2 * marshal.c: Routines for marshaling complex types in P/Invoke methods.
5 * Paolo Molaro (lupus@ximian.com)
7 * (C) 2002 Ximian, Inc. http://www.ximian.com
14 #include "metadata/marshal.h"
15 #include "metadata/tabledefs.h"
16 #include "metadata/exception.h"
17 #include "metadata/appdomain.h"
18 #include "mono/metadata/debug-helpers.h"
19 #include "mono/metadata/threadpool.h"
20 #include "mono/metadata/monitor.h"
24 //#define DEBUG_RUNTIME_CODE
26 #define OPDEF(a,b,c,d,e,f,g,h,i,j) \
30 #include "mono/cil/opcode.def"
35 struct _MonoMethodBuilder {
39 guint32 code_size, pos;
44 emit_struct_conv (MonoMethodBuilder *mb, MonoClass *klass, gboolean to_object);
47 mono_find_method_by_name (MonoClass *klass, const char *name, int param_count)
49 MonoMethod *res = NULL;
52 for (i = 0; i < klass->method.count; ++i) {
53 if (klass->methods [i]->name[0] == name [0] &&
54 !strcmp (name, klass->methods [i]->name) &&
55 klass->methods [i]->signature->param_count == param_count) {
56 res = klass->methods [i];
63 #ifdef DEBUG_RUNTIME_CODE
65 indenter (MonoDisHelper *dh, MonoMethod *method, guint32 ip_offset)
67 return g_strdup (" ");
70 static MonoDisHelper marshal_dh = {
80 /* This mutex protects the various marshalling related caches in MonoImage */
81 static CRITICAL_SECTION marshal_mutex;
83 /* Maps wrapper methods to the methods they wrap */
84 static MonoGHashTable *wrapper_hash;
86 static guint32 last_error_tls_id;
89 mono_marshal_init (void)
91 static gboolean module_initialized = FALSE;
93 if (!module_initialized) {
94 module_initialized = TRUE;
95 InitializeCriticalSection (&marshal_mutex);
96 wrapper_hash = mono_g_hash_table_new (NULL, NULL);
97 last_error_tls_id = TlsAlloc ();
102 mono_delegate_to_ftnptr (MonoDelegate *delegate)
104 MonoMethod *method, *wrapper, *invoke;
105 MonoMarshalSpec **mspecs;
112 if (delegate->delegate_trampoline)
113 return delegate->delegate_trampoline;
115 klass = ((MonoObject *)delegate)->vtable->klass;
116 g_assert (klass->delegate);
119 method = delegate->method_info->method;
120 invoke = mono_find_method_by_name (klass, "Invoke", method->signature->param_count);
122 mspecs = g_new (MonoMarshalSpec*, invoke->signature->param_count + 1);
123 mono_method_get_marshal_info (invoke, mspecs);
125 wrapper = mono_marshal_get_managed_wrapper (method, delegate->target, mspecs);
127 for (i = invoke->signature->param_count; i >= 0; i--)
131 delegate->delegate_trampoline = mono_compile_method (wrapper);
133 return delegate->delegate_trampoline;
137 mono_array_to_savearray (MonoArray *array)
142 g_assert_not_reached ();
147 mono_array_to_lparray (MonoArray *array)
152 /* fixme: maybe we need to make a copy */
153 return array->vector;
157 mono_string_utf8_to_builder (MonoStringBuilder *sb, char *text)
159 GError *error = NULL;
169 ut = g_utf8_to_utf16 (text, l, NULL, &items_written, &error);
171 if (items_written > mono_stringbuilder_capacity (sb))
172 items_written = mono_stringbuilder_capacity (sb);
175 memcpy (mono_string_chars (sb->str), ut, items_written * 2);
176 sb->length = items_written;
178 g_error_free (error);
184 mono_string_utf16_to_builder (MonoStringBuilder *sb, gunichar2 *text)
191 g_assert (mono_string_chars (sb->str) == text);
193 for (len = 0; text [len] != 0; ++len)
200 mono_string_builder_to_utf8 (MonoStringBuilder *sb)
202 GError *error = NULL;
208 res = g_malloc0 (mono_stringbuilder_capacity (sb) + 1);
210 g_utf16_to_utf8 (mono_string_chars (sb->str), sb->length, NULL, res, &error);
212 g_error_free (error);
213 mono_raise_exception (mono_get_exception_execution_engine ("Failed to convert StringBuilder from utf16 to utf8"));
220 mono_string_builder_to_utf16 (MonoStringBuilder *sb)
225 return mono_string_chars (sb->str);
229 mono_string_to_ansibstr (MonoString *string_obj)
231 g_error ("implement me");
236 mono_string_to_bstr (MonoString *string_obj)
238 g_error ("implement me");
243 mono_string_to_byvalstr (gpointer dst, MonoString *src, int size)
248 g_assert (dst != NULL);
251 memset (dst, 0, size);
256 s = mono_string_to_utf8 (src);
257 len = MIN (size, strlen (s));
258 memcpy (dst, s, len);
261 *((char *)dst + size - 1) = 0;
265 mono_string_to_byvalwstr (gpointer dst, MonoString *src, int size)
269 g_assert (dst != NULL);
273 memset (dst, 0, size);
277 len = MIN (size, (mono_string_length (src) * 2));
278 memcpy (dst, mono_string_chars (src), len);
280 *((char *)dst + size - 1) = 0;
281 *((char *)dst + size - 2) = 0;
285 mono_mb_free (MonoMethodBuilder *mb)
287 g_list_free (mb->locals_list);
292 mono_mb_new (MonoClass *klass, const char *name, MonoWrapperType type)
294 MonoMethodBuilder *mb;
297 g_assert (klass != NULL);
298 g_assert (name != NULL);
300 mb = g_new0 (MonoMethodBuilder, 1);
302 mb->method = m = (MonoMethod *)g_new0 (MonoMethodWrapper, 1);
305 m->name = g_strdup (name);
307 m->inline_count = -1;
308 m->wrapper_type = type;
311 mb->code = g_malloc (mb->code_size);
317 mono_mb_add_local (MonoMethodBuilder *mb, MonoType *type)
319 int res = mb->locals;
321 g_assert (mb != NULL);
322 g_assert (type != NULL);
324 mb->locals_list = g_list_append (mb->locals_list, type);
331 mono_mb_create_method (MonoMethodBuilder *mb, MonoMethodSignature *signature, int max_stack)
333 MonoMethodHeader *header;
337 g_assert (mb != NULL);
339 ((MonoMethodNormal *)mb->method)->header = header = (MonoMethodHeader *)
340 g_malloc0 (sizeof (MonoMethodHeader) + mb->locals * sizeof (MonoType *));
345 header->max_stack = max_stack;
347 for (i = 0, l = mb->locals_list; l; l = l->next, i++) {
348 header->locals [i] = (MonoType *)l->data;
351 mb->method->signature = signature;
352 header->code = mb->code;
353 header->code_size = mb->pos;
354 header->num_locals = mb->locals;
356 #ifdef DEBUG_RUNTIME_CODE
357 printf ("RUNTIME CODE FOR %s\n", mono_method_full_name (mb->method, TRUE));
358 printf ("%s\n", mono_disasm_code (&marshal_dh, mb->method, mb->code, mb->code + mb->pos));
365 mono_mb_add_data (MonoMethodBuilder *mb, gpointer data)
367 MonoMethodWrapper *mw;
369 g_assert (mb != NULL);
371 mw = (MonoMethodWrapper *)mb->method;
373 mw->data = g_list_append (mw->data, data);
375 return g_list_length (mw->data);
379 mono_mb_patch_addr (MonoMethodBuilder *mb, int pos, int value)
381 mb->code [pos] = value & 0xff;
382 mb->code [pos + 1] = (value >> 8) & 0xff;
383 mb->code [pos + 2] = (value >> 16) & 0xff;
384 mb->code [pos + 3] = (value >> 24) & 0xff;
388 mono_mb_patch_addr_s (MonoMethodBuilder *mb, int pos, gint8 value)
390 *((gint8 *)(&mb->code [pos])) = value;
394 mono_mb_emit_byte (MonoMethodBuilder *mb, guint8 op)
396 if (mb->pos >= mb->code_size) {
398 mb->code = g_realloc (mb->code, mb->code_size);
401 mb->code [mb->pos++] = op;
405 mono_mb_emit_ldflda (MonoMethodBuilder *mb, gint32 offset)
407 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
408 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
411 mono_mb_emit_icon (mb, offset);
412 mono_mb_emit_byte (mb, CEE_ADD);
417 mono_mb_emit_proxy_check (MonoMethodBuilder *mb, int branch_code)
420 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
421 mono_mb_emit_byte (mb, CEE_LDIND_I);
422 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoVTable, klass));
423 mono_mb_emit_byte (mb, CEE_ADD);
424 mono_mb_emit_byte (mb, CEE_LDIND_I);
425 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
426 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
427 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_defaults.transparent_proxy_class));
428 mono_mb_emit_byte (mb, branch_code);
430 mono_mb_emit_i4 (mb, 0);
435 mono_mb_emit_i4 (MonoMethodBuilder *mb, gint32 data)
437 if ((mb->pos + 4) >= mb->code_size) {
439 mb->code = g_realloc (mb->code, mb->code_size);
442 mono_mb_patch_addr (mb, mb->pos, data);
447 mono_mb_emit_i2 (MonoMethodBuilder *mb, gint16 data)
449 if ((mb->pos + 2) >= mb->code_size) {
451 mb->code = g_realloc (mb->code, mb->code_size);
454 mb->code [mb->pos] = data & 0xff;
455 mb->code [mb->pos + 1] = (data >> 8) & 0xff;
460 mono_mb_emit_ldstr (MonoMethodBuilder *mb, char *str)
462 mono_mb_emit_byte (mb, CEE_LDSTR);
463 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, str));
468 mono_mb_emit_ldarg (MonoMethodBuilder *mb, guint argnum)
471 mono_mb_emit_byte (mb, CEE_LDARG_0 + argnum);
472 } else if (argnum < 256) {
473 mono_mb_emit_byte (mb, CEE_LDARG_S);
474 mono_mb_emit_byte (mb, argnum);
476 mono_mb_emit_byte (mb, CEE_PREFIX1);
477 mono_mb_emit_byte (mb, CEE_LDARG);
478 mono_mb_emit_i2 (mb, argnum);
483 mono_mb_emit_ldarg_addr (MonoMethodBuilder *mb, guint argnum)
486 mono_mb_emit_byte (mb, CEE_LDARGA_S);
487 mono_mb_emit_byte (mb, argnum);
489 mono_mb_emit_byte (mb, CEE_PREFIX1);
490 mono_mb_emit_byte (mb, CEE_LDARGA);
491 mono_mb_emit_i2 (mb, argnum);
496 mono_mb_emit_ldloc_addr (MonoMethodBuilder *mb, guint locnum)
499 mono_mb_emit_byte (mb, CEE_LDLOCA_S);
500 mono_mb_emit_byte (mb, locnum);
502 mono_mb_emit_byte (mb, CEE_PREFIX1);
503 mono_mb_emit_byte (mb, CEE_LDLOCA);
504 mono_mb_emit_i2 (mb, locnum);
509 mono_mb_emit_ldloc (MonoMethodBuilder *mb, guint num)
512 mono_mb_emit_byte (mb, CEE_LDLOC_0 + num);
513 } else if (num < 256) {
514 mono_mb_emit_byte (mb, CEE_LDLOC_S);
515 mono_mb_emit_byte (mb, num);
517 mono_mb_emit_byte (mb, CEE_PREFIX1);
518 mono_mb_emit_byte (mb, CEE_LDLOC);
519 mono_mb_emit_i2 (mb, num);
524 mono_mb_emit_stloc (MonoMethodBuilder *mb, guint num)
527 mono_mb_emit_byte (mb, CEE_STLOC_0 + num);
528 } else if (num < 256) {
529 mono_mb_emit_byte (mb, CEE_STLOC_S);
530 mono_mb_emit_byte (mb, num);
532 mono_mb_emit_byte (mb, CEE_PREFIX1);
533 mono_mb_emit_byte (mb, CEE_STLOC);
534 mono_mb_emit_i2 (mb, num);
539 mono_mb_emit_icon (MonoMethodBuilder *mb, gint32 value)
541 if (value >= -1 && value < 8) {
542 mono_mb_emit_byte (mb, CEE_LDC_I4_0 + value);
543 } else if (value >= -128 && value <= 127) {
544 mono_mb_emit_byte (mb, CEE_LDC_I4_S);
545 mono_mb_emit_byte (mb, value);
547 mono_mb_emit_byte (mb, CEE_LDC_I4);
548 mono_mb_emit_i4 (mb, value);
553 mono_mb_emit_branch (MonoMethodBuilder *mb, guint8 op)
556 mono_mb_emit_byte (mb, op);
558 mono_mb_emit_i4 (mb, 0);
563 mono_mb_emit_managed_call (MonoMethodBuilder *mb, MonoMethod *method, MonoMethodSignature *opt_sig)
566 opt_sig = method->signature;
567 mono_mb_emit_byte (mb, CEE_PREFIX1);
568 mono_mb_emit_byte (mb, CEE_LDFTN);
569 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, method));
570 mono_mb_emit_byte (mb, CEE_CALLI);
571 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, opt_sig));
575 mono_mb_emit_native_call (MonoMethodBuilder *mb, MonoMethodSignature *sig, gpointer func)
577 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
578 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
579 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, func));
580 mono_mb_emit_byte (mb, CEE_CALLI);
581 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, sig));
585 mono_mb_emit_exception (MonoMethodBuilder *mb, const char *exc_name, const char *msg)
587 /* fixme: we need a better way to throw exception,
588 * supporting several exception types and messages */
589 MonoMethod *ctor = NULL;
591 MonoClass *mme = mono_class_from_name (mono_defaults.corlib, "System", exc_name);
593 mono_class_init (mme);
594 for (i = 0; i < mme->method.count; ++i) {
595 if (strcmp (mme->methods [i]->name, ".ctor") == 0 && mme->methods [i]->signature->param_count == 0) {
596 ctor = mme->methods [i];
601 mono_mb_emit_byte (mb, CEE_NEWOBJ);
602 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, ctor));
604 mono_mb_emit_byte (mb, CEE_DUP);
605 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoException, message));
606 mono_mb_emit_ldstr (mb, (char*)msg);
607 mono_mb_emit_byte (mb, CEE_STIND_I);
609 mono_mb_emit_byte (mb, CEE_THROW);
613 mono_mb_emit_add_to_local (MonoMethodBuilder *mb, guint16 local, gint32 incr)
615 mono_mb_emit_ldloc (mb, local);
616 mono_mb_emit_icon (mb, incr);
617 mono_mb_emit_byte (mb, CEE_ADD);
618 mono_mb_emit_stloc (mb, local);
622 emit_ptr_to_str_conv (MonoMethodBuilder *mb, MonoType *type, MonoMarshalConv conv,
623 int usize, int msize, MonoMarshalSpec *mspec)
626 case MONO_MARSHAL_CONV_BOOL_I4:
627 mono_mb_emit_byte (mb, CEE_LDLOC_1);
628 mono_mb_emit_byte (mb, CEE_LDLOC_0);
629 mono_mb_emit_byte (mb, CEE_LDIND_I4);
630 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
631 mono_mb_emit_byte (mb, 3);
632 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
633 mono_mb_emit_byte (mb, CEE_BR_S);
634 mono_mb_emit_byte (mb, 1);
635 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
636 mono_mb_emit_byte (mb, CEE_STIND_I1);
638 case MONO_MARSHAL_CONV_BOOL_VARIANTBOOL:
639 mono_mb_emit_byte (mb, CEE_LDLOC_1);
640 mono_mb_emit_byte (mb, CEE_LDLOC_0);
641 mono_mb_emit_byte (mb, CEE_LDIND_I2);
642 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
643 mono_mb_emit_byte (mb, 3);
644 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
645 mono_mb_emit_byte (mb, CEE_BR_S);
646 mono_mb_emit_byte (mb, 1);
647 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
648 mono_mb_emit_byte (mb, CEE_STIND_I1);
650 case MONO_MARSHAL_CONV_ARRAY_BYVALARRAY: {
651 MonoClass *eclass = NULL;
654 if (type->type == MONO_TYPE_SZARRAY) {
655 eclass = type->data.klass;
657 g_assert_not_reached ();
660 if (eclass->valuetype)
661 esize = mono_class_instance_size (eclass) - sizeof (MonoObject);
663 esize = sizeof (gpointer);
665 /* create a new array */
666 mono_mb_emit_byte (mb, CEE_LDLOC_1);
667 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
668 mono_mb_emit_byte (mb, CEE_NEWARR);
669 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, eclass));
670 mono_mb_emit_byte (mb, CEE_STIND_I);
672 /* copy the elements */
673 mono_mb_emit_byte (mb, CEE_LDLOC_1);
674 mono_mb_emit_byte (mb, CEE_LDIND_I);
675 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArray, vector));
676 mono_mb_emit_byte (mb, CEE_ADD);
677 mono_mb_emit_byte (mb, CEE_LDLOC_0);
678 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem * esize);
679 mono_mb_emit_byte (mb, CEE_PREFIX1);
680 mono_mb_emit_byte (mb, CEE_CPBLK);
684 case MONO_MARSHAL_CONV_STR_BYVALSTR:
685 mono_mb_emit_byte (mb, CEE_LDLOC_1);
686 mono_mb_emit_byte (mb, CEE_LDLOC_0);
687 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
688 mono_mb_emit_byte (mb, CEE_MONO_FUNC1);
689 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_LPSTR_STR);
690 mono_mb_emit_byte (mb, CEE_STIND_I);
692 case MONO_MARSHAL_CONV_STR_LPTSTR:
693 case MONO_MARSHAL_CONV_STR_LPSTR:
694 mono_mb_emit_byte (mb, CEE_LDLOC_1);
695 mono_mb_emit_byte (mb, CEE_LDLOC_0);
696 mono_mb_emit_byte (mb, CEE_LDIND_I);
697 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
698 mono_mb_emit_byte (mb, CEE_MONO_FUNC1);
699 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_LPSTR_STR);
700 mono_mb_emit_byte (mb, CEE_STIND_I);
702 case MONO_MARSHAL_CONV_OBJECT_STRUCT: {
703 MonoClass *klass = mono_class_from_mono_type (type);
704 int src_var, dst_var;
706 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
707 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
709 /* *dst = new object */
710 mono_mb_emit_byte (mb, CEE_LDLOC_1);
711 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
712 mono_mb_emit_byte (mb, CEE_MONO_NEWOBJ);
713 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
714 mono_mb_emit_byte (mb, CEE_STIND_I);
716 /* save the old src pointer */
717 mono_mb_emit_byte (mb, CEE_LDLOC_0);
718 mono_mb_emit_stloc (mb, src_var);
719 /* save the old dst pointer */
720 mono_mb_emit_byte (mb, CEE_LDLOC_1);
721 mono_mb_emit_stloc (mb, dst_var);
723 /* dst = pointer to newly created object data */
724 mono_mb_emit_byte (mb, CEE_LDLOC_1);
725 mono_mb_emit_byte (mb, CEE_LDIND_I);
726 mono_mb_emit_icon (mb, sizeof (MonoObject));
727 mono_mb_emit_byte (mb, CEE_ADD);
728 mono_mb_emit_byte (mb, CEE_STLOC_1);
730 emit_struct_conv (mb, klass, TRUE);
732 /* restore the old src pointer */
733 mono_mb_emit_ldloc (mb, src_var);
734 mono_mb_emit_byte (mb, CEE_STLOC_0);
735 /* restore the old dst pointer */
736 mono_mb_emit_ldloc (mb, dst_var);
737 mono_mb_emit_byte (mb, CEE_STLOC_1);
740 case MONO_MARSHAL_CONV_DEL_FTN: {
741 // fixme: we never convert functions back to delegates, dont
742 // know if thats the correct behaviour
745 case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
746 g_error ("Structure field of type %s can't be marshalled as LPArray", mono_class_from_mono_type (type)->name);
748 case MONO_MARSHAL_CONV_STR_LPWSTR:
749 case MONO_MARSHAL_CONV_STR_BSTR:
750 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
751 case MONO_MARSHAL_CONV_STR_TBSTR:
752 case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
753 case MONO_MARSHAL_CONV_STR_BYVALWSTR:
755 g_warning ("marshaling conversion %d not implemented", conv);
756 g_assert_not_reached ();
761 emit_str_to_ptr_conv (MonoMethodBuilder *mb, MonoType *type, MonoMarshalConv conv, int usize, int msize,
762 MonoMarshalSpec *mspec)
767 case MONO_MARSHAL_CONV_BOOL_I4:
768 mono_mb_emit_byte (mb, CEE_LDLOC_1);
769 mono_mb_emit_byte (mb, CEE_LDLOC_0);
770 mono_mb_emit_byte (mb, CEE_LDIND_U1);
771 mono_mb_emit_byte (mb, CEE_STIND_I4);
773 case MONO_MARSHAL_CONV_BOOL_VARIANTBOOL:
774 mono_mb_emit_byte (mb, CEE_LDLOC_1);
775 mono_mb_emit_byte (mb, CEE_LDLOC_0);
776 mono_mb_emit_byte (mb, CEE_LDIND_U1);
777 mono_mb_emit_byte (mb, CEE_NEG);
778 mono_mb_emit_byte (mb, CEE_STIND_I2);
780 case MONO_MARSHAL_CONV_STR_LPWSTR:
781 case MONO_MARSHAL_CONV_STR_LPSTR:
782 case MONO_MARSHAL_CONV_STR_LPTSTR:
783 case MONO_MARSHAL_CONV_STR_BSTR:
784 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
785 case MONO_MARSHAL_CONV_STR_TBSTR:
786 /* free space if free == true */
787 mono_mb_emit_byte (mb, CEE_LDLOC_2);
788 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
789 mono_mb_emit_byte (mb, 4);
790 mono_mb_emit_byte (mb, CEE_LDLOC_1);
791 mono_mb_emit_byte (mb, CEE_LDIND_I);
792 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
793 mono_mb_emit_byte (mb, CEE_MONO_FREE);
795 mono_mb_emit_byte (mb, CEE_LDLOC_1);
796 mono_mb_emit_byte (mb, CEE_LDLOC_0);
797 mono_mb_emit_byte (mb, CEE_LDIND_I);
798 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
799 mono_mb_emit_byte (mb, CEE_MONO_FUNC1);
800 mono_mb_emit_byte (mb, conv);
801 mono_mb_emit_byte (mb, CEE_STIND_I);
803 case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
804 case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
805 case MONO_MARSHAL_CONV_DEL_FTN:
806 mono_mb_emit_byte (mb, CEE_LDLOC_1);
807 mono_mb_emit_byte (mb, CEE_LDLOC_0);
808 mono_mb_emit_byte (mb, CEE_LDIND_I);
809 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
810 mono_mb_emit_byte (mb, CEE_MONO_FUNC1);
811 mono_mb_emit_byte (mb, conv);
812 mono_mb_emit_byte (mb, CEE_STIND_I);
814 case MONO_MARSHAL_CONV_STR_BYVALSTR:
815 case MONO_MARSHAL_CONV_STR_BYVALWSTR: {
819 mono_mb_emit_byte (mb, CEE_LDLOC_1); /* dst */
820 mono_mb_emit_byte (mb, CEE_LDLOC_0);
821 mono_mb_emit_byte (mb, CEE_LDIND_I); /* src String */
822 mono_mb_emit_icon (mb, usize);
823 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
824 mono_mb_emit_byte (mb, CEE_MONO_PROC3);
825 mono_mb_emit_byte (mb, conv);
828 case MONO_MARSHAL_CONV_ARRAY_BYVALARRAY: {
829 MonoClass *eclass = NULL;
832 if (type->type == MONO_TYPE_SZARRAY) {
833 eclass = type->data.klass;
835 g_assert_not_reached ();
838 if (eclass->valuetype)
839 esize = mono_class_native_size (eclass, NULL);
841 esize = sizeof (gpointer);
846 mono_mb_emit_byte (mb, CEE_LDLOC_0);
847 mono_mb_emit_byte (mb, CEE_LDIND_I);
848 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
850 mono_mb_emit_byte (mb, 0);
852 mono_mb_emit_byte (mb, CEE_LDLOC_1);
853 mono_mb_emit_byte (mb, CEE_LDLOC_0);
854 mono_mb_emit_byte (mb, CEE_LDIND_I);
855 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
856 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
857 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArray, vector));
858 mono_mb_emit_byte (mb, CEE_ADD);
859 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem * esize);
860 mono_mb_emit_byte (mb, CEE_PREFIX1);
861 mono_mb_emit_byte (mb, CEE_CPBLK);
862 mono_mb_patch_addr_s (mb, pos, mb->pos - pos - 1);
865 case MONO_MARSHAL_CONV_OBJECT_STRUCT: {
866 int src_var, dst_var;
868 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
869 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
871 mono_mb_emit_byte (mb, CEE_LDLOC_0);
872 mono_mb_emit_byte (mb, CEE_LDIND_I);
873 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
875 mono_mb_emit_byte (mb, 0);
877 /* save the old src pointer */
878 mono_mb_emit_byte (mb, CEE_LDLOC_0);
879 mono_mb_emit_stloc (mb, src_var);
880 /* save the old dst pointer */
881 mono_mb_emit_byte (mb, CEE_LDLOC_1);
882 mono_mb_emit_stloc (mb, dst_var);
884 /* src = pointer to object data */
885 mono_mb_emit_byte (mb, CEE_LDLOC_0);
886 mono_mb_emit_byte (mb, CEE_LDIND_I);
887 mono_mb_emit_icon (mb, sizeof (MonoObject));
888 mono_mb_emit_byte (mb, CEE_ADD);
889 mono_mb_emit_byte (mb, CEE_STLOC_0);
891 emit_struct_conv (mb, mono_class_from_mono_type (type), FALSE);
893 /* restore the old src pointer */
894 mono_mb_emit_ldloc (mb, src_var);
895 mono_mb_emit_byte (mb, CEE_STLOC_0);
896 /* restore the old dst pointer */
897 mono_mb_emit_ldloc (mb, dst_var);
898 mono_mb_emit_byte (mb, CEE_STLOC_1);
900 mono_mb_patch_addr_s (mb, pos, mb->pos - pos - 1);
904 char *msg = g_strdup_printf ("marshalling conversion %d not implemented", conv);
905 MonoException *exc = mono_get_exception_not_implemented (msg);
908 mono_raise_exception (exc);
914 emit_struct_conv (MonoMethodBuilder *mb, MonoClass *klass, gboolean to_object)
916 MonoMarshalType *info;
920 emit_struct_conv(mb, klass->parent, to_object);
922 info = mono_marshal_load_type_info (klass);
924 if (info->native_size == 0)
927 if (klass->blittable) {
928 mono_mb_emit_byte (mb, CEE_LDLOC_1);
929 mono_mb_emit_byte (mb, CEE_LDLOC_0);
930 mono_mb_emit_icon (mb, mono_class_value_size (klass, NULL));
931 mono_mb_emit_byte (mb, CEE_PREFIX1);
932 mono_mb_emit_byte (mb, CEE_CPBLK);
936 for (i = 0; i < info->num_fields; i++) {
937 MonoMarshalNative ntype;
938 MonoMarshalConv conv;
939 MonoType *ftype = info->fields [i].field->type;
942 gboolean last_field = i < (info->num_fields -1) ? 0 : 1;
944 if (ftype->attrs & FIELD_ATTRIBUTE_STATIC)
947 ntype = mono_type_to_unmanaged (ftype, info->fields [i].mspec, TRUE, klass->unicode, &conv);
950 msize = klass->instance_size - info->fields [i].field->offset;
951 usize = info->native_size - info->fields [i].offset;
953 msize = info->fields [i + 1].field->offset - info->fields [i].field->offset;
954 usize = info->fields [i + 1].offset - info->fields [i].offset;
956 g_assert ((msize >= 0) && (usize >= 0));
959 case MONO_MARSHAL_CONV_NONE: {
962 if (ftype->byref || ftype->type == MONO_TYPE_I ||
963 ftype->type == MONO_TYPE_U) {
964 mono_mb_emit_byte (mb, CEE_LDLOC_1);
965 mono_mb_emit_byte (mb, CEE_LDLOC_0);
966 mono_mb_emit_byte (mb, CEE_LDIND_I);
967 mono_mb_emit_byte (mb, CEE_STIND_I);
976 #if SIZEOF_VOID_P == 4
979 mono_mb_emit_byte (mb, CEE_LDLOC_1);
980 mono_mb_emit_byte (mb, CEE_LDLOC_0);
981 mono_mb_emit_byte (mb, CEE_LDIND_I4);
982 mono_mb_emit_byte (mb, CEE_STIND_I4);
986 case MONO_TYPE_BOOLEAN:
987 mono_mb_emit_byte (mb, CEE_LDLOC_1);
988 mono_mb_emit_byte (mb, CEE_LDLOC_0);
989 mono_mb_emit_byte (mb, CEE_LDIND_I1);
990 mono_mb_emit_byte (mb, CEE_STIND_I1);
995 mono_mb_emit_byte (mb, CEE_LDLOC_1);
996 mono_mb_emit_byte (mb, CEE_LDLOC_0);
997 mono_mb_emit_byte (mb, CEE_LDIND_I2);
998 mono_mb_emit_byte (mb, CEE_STIND_I2);
1002 #if SIZEOF_VOID_P == 8
1005 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1006 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1007 mono_mb_emit_byte (mb, CEE_LDIND_I8);
1008 mono_mb_emit_byte (mb, CEE_STIND_I8);
1011 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1012 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1013 mono_mb_emit_byte (mb, CEE_LDIND_R4);
1014 mono_mb_emit_byte (mb, CEE_STIND_R4);
1017 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1018 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1019 mono_mb_emit_byte (mb, CEE_LDIND_R8);
1020 mono_mb_emit_byte (mb, CEE_STIND_R8);
1022 case MONO_TYPE_VALUETYPE:
1023 if (ftype->data.klass->enumtype) {
1024 t = ftype->data.klass->enum_basetype->type;
1027 emit_struct_conv (mb, ftype->data.klass, to_object);
1030 g_warning ("marshaling type %02x not implemented", ftype->type);
1031 g_assert_not_reached ();
1037 emit_ptr_to_str_conv (mb, ftype, conv, usize, msize, info->fields [i].mspec);
1039 emit_str_to_ptr_conv (mb, ftype, conv, usize, msize, info->fields [i].mspec);
1043 mono_mb_emit_add_to_local (mb, 0, usize);
1044 mono_mb_emit_add_to_local (mb, 1, msize);
1046 mono_mb_emit_add_to_local (mb, 0, msize);
1047 mono_mb_emit_add_to_local (mb, 1, usize);
1052 static MonoAsyncResult *
1053 mono_delegate_begin_invoke (MonoDelegate *delegate, gpointer *params)
1055 MonoMethodMessage *msg;
1056 MonoDelegate *async_callback;
1060 MonoMethod *method = NULL;
1063 g_assert (delegate);
1065 if (delegate->target && mono_object_class (delegate->target) == mono_defaults.transparent_proxy_class) {
1067 MonoTransparentProxy* tp = (MonoTransparentProxy *)delegate->target;
1068 if (!tp->klass->contextbound || tp->rp->context != (MonoObject *) mono_context_get ()) {
1070 // If the target is a proxy, make a direct call. Is proxy's work
1071 // to make the call asynchronous.
1073 MonoAsyncResult *ares;
1075 MonoArray *out_args;
1077 method = delegate->method_info->method;
1079 msg = mono_method_call_message_new (method, params, NULL, &async_callback, &state);
1080 handle = CreateEvent (NULL, TRUE, FALSE, NULL);
1081 ares = mono_async_result_new (mono_domain_get (), handle, state, handle);
1082 ares->async_delegate = (MonoObject *)delegate;
1083 ares->async_callback = (MonoObject *)async_callback;
1084 msg->async_result = ares;
1085 msg->call_type = CallType_BeginInvoke;
1087 mono_remoting_invoke ((MonoObject *)tp->rp, msg, &exc, &out_args);
1092 klass = delegate->object.vtable->klass;
1094 method = mono_get_delegate_invoke (klass);
1095 for (i = 0; i < klass->method.count; ++i) {
1096 if (klass->methods [i]->name[0] == 'B' &&
1097 !strcmp ("BeginInvoke", klass->methods [i]->name)) {
1098 method = klass->methods [i];
1103 g_assert (method != NULL);
1105 im = mono_get_delegate_invoke (method->klass);
1106 msg = mono_method_call_message_new (method, params, im, &async_callback, &state);
1108 return mono_thread_pool_add ((MonoObject *)delegate, msg, async_callback, state);
1112 mono_mb_emit_save_args (MonoMethodBuilder *mb, MonoMethodSignature *sig, gboolean save_this)
1114 int i, params_var, tmp_var;
1116 /* allocate local (pointer) *params[] */
1117 params_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1118 /* allocate local (pointer) tmp */
1119 tmp_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1121 /* alloate space on stack to store an array of pointers to the arguments */
1122 mono_mb_emit_icon (mb, sizeof (gpointer) * (sig->param_count + 1));
1123 mono_mb_emit_byte (mb, CEE_PREFIX1);
1124 mono_mb_emit_byte (mb, CEE_LOCALLOC);
1125 mono_mb_emit_stloc (mb, params_var);
1128 mono_mb_emit_ldloc (mb, params_var);
1129 mono_mb_emit_stloc (mb, tmp_var);
1131 if (save_this && sig->hasthis) {
1132 mono_mb_emit_ldloc (mb, tmp_var);
1133 mono_mb_emit_ldarg_addr (mb, 0);
1134 mono_mb_emit_byte (mb, CEE_STIND_I);
1135 /* tmp = tmp + sizeof (gpointer) */
1136 if (sig->param_count)
1137 mono_mb_emit_add_to_local (mb, tmp_var, sizeof (gpointer));
1141 for (i = 0; i < sig->param_count; i++) {
1142 mono_mb_emit_ldloc (mb, tmp_var);
1143 mono_mb_emit_ldarg_addr (mb, i + sig->hasthis);
1144 mono_mb_emit_byte (mb, CEE_STIND_I);
1145 /* tmp = tmp + sizeof (gpointer) */
1146 if (i < (sig->param_count - 1))
1147 mono_mb_emit_add_to_local (mb, tmp_var, sizeof (gpointer));
1154 mono_signature_to_name (MonoMethodSignature *sig, const char *prefix)
1158 GString *res = g_string_new ("");
1161 g_string_append (res, prefix);
1162 g_string_append_c (res, '_');
1165 mono_type_get_desc (res, sig->ret, FALSE);
1167 for (i = 0; i < sig->param_count; ++i) {
1168 g_string_append_c (res, '_');
1169 mono_type_get_desc (res, sig->params [i], FALSE);
1172 g_string_free (res, FALSE);
1176 static inline MonoMethod*
1177 mono_marshal_find_in_cache (GHashTable *cache, gpointer key)
1181 EnterCriticalSection (&marshal_mutex);
1182 res = g_hash_table_lookup (cache, key);
1183 LeaveCriticalSection (&marshal_mutex);
1187 /* Create the method from the builder and place it in the cache */
1188 static inline MonoMethod*
1189 mono_mb_create_and_cache (GHashTable *cache, gpointer key,
1190 MonoMethodBuilder *mb, MonoMethodSignature *sig,
1195 EnterCriticalSection (&marshal_mutex);
1196 res = g_hash_table_lookup (cache, key);
1198 /* This does not acquire any locks */
1199 res = mono_mb_create_method (mb, sig, max_stack);
1200 g_hash_table_insert (cache, key, res);
1201 mono_g_hash_table_insert (wrapper_hash, res, key);
1204 /* Somebody created it before us */
1206 LeaveCriticalSection (&marshal_mutex);
1212 mono_marshal_method_from_wrapper (MonoMethod *wrapper)
1216 if (wrapper->wrapper_type == MONO_WRAPPER_NONE)
1219 EnterCriticalSection (&marshal_mutex);
1220 res = mono_g_hash_table_lookup (wrapper_hash, wrapper);
1221 LeaveCriticalSection (&marshal_mutex);
1223 if (res && wrapper->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK)
1224 /* See mono_marshal_get_remoting_invoke_with_check */
1225 return (MonoMethod*)((char*)res - 1);
1231 mono_marshal_get_delegate_begin_invoke (MonoMethod *method)
1233 MonoMethodSignature *sig;
1234 static MonoMethodSignature *csig = NULL;
1235 MonoMethodBuilder *mb;
1241 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
1242 !strcmp (method->name, "BeginInvoke"));
1244 sig = method->signature;
1246 cache = method->klass->image->delegate_begin_invoke_cache;
1247 if ((res = mono_marshal_find_in_cache (cache, sig)))
1250 g_assert (sig->hasthis);
1253 int sigsize = sizeof (MonoMethodSignature) + 2 * sizeof (MonoType *);
1254 csig = g_malloc0 (sigsize);
1256 /* MonoAsyncResult * begin_invoke (MonoDelegate *delegate, gpointer params[]) */
1257 csig->param_count = 2;
1258 csig->ret = &mono_defaults.object_class->byval_arg;
1259 csig->params [0] = &mono_defaults.object_class->byval_arg;
1260 csig->params [1] = &mono_defaults.int_class->byval_arg;
1263 name = mono_signature_to_name (sig, "begin_invoke");
1264 mb = mono_mb_new (mono_defaults.multicastdelegate_class, name, MONO_WRAPPER_DELEGATE_BEGIN_INVOKE);
1267 mb->method->save_lmf = 1;
1269 params_var = mono_mb_emit_save_args (mb, sig, FALSE);
1271 mono_mb_emit_ldarg (mb, 0);
1272 mono_mb_emit_ldloc (mb, params_var);
1273 mono_mb_emit_native_call (mb, csig, mono_delegate_begin_invoke);
1274 mono_mb_emit_byte (mb, CEE_RET);
1276 res = mono_mb_create_and_cache (cache, sig, mb, sig, sig->param_count + 16);
1282 mono_delegate_end_invoke (MonoDelegate *delegate, gpointer *params)
1284 MonoDomain *domain = mono_domain_get ();
1285 MonoAsyncResult *ares;
1286 MonoMethod *method = NULL;
1287 MonoMethodSignature *sig;
1288 MonoMethodMessage *msg;
1289 MonoObject *res, *exc;
1290 MonoArray *out_args;
1294 g_assert (delegate);
1296 if (!delegate->method_info || !delegate->method_info->method)
1297 g_assert_not_reached ();
1299 klass = delegate->object.vtable->klass;
1301 for (i = 0; i < klass->method.count; ++i) {
1302 if (klass->methods [i]->name[0] == 'E' &&
1303 !strcmp ("EndInvoke", klass->methods [i]->name)) {
1304 method = klass->methods [i];
1309 g_assert (method != NULL);
1311 sig = method->signature;
1313 msg = mono_method_call_message_new (method, params, NULL, NULL, NULL);
1315 ares = mono_array_get (msg->args, gpointer, sig->param_count - 1);
1318 if (delegate->target && mono_object_class (delegate->target) == mono_defaults.transparent_proxy_class) {
1319 MonoTransparentProxy* tp = (MonoTransparentProxy *)delegate->target;
1320 msg = (MonoMethodMessage *)mono_object_new (domain, mono_defaults.mono_method_message_class);
1321 mono_message_init (domain, msg, delegate->method_info, NULL);
1322 msg->call_type = CallType_EndInvoke;
1323 msg->async_result = ares;
1324 res = mono_remoting_invoke ((MonoObject *)tp->rp, msg, &exc, &out_args);
1327 res = mono_thread_pool_finish (ares, &out_args, &exc);
1330 char *strace = mono_string_to_utf8 (((MonoException*)exc)->stack_trace);
1332 tmp = g_strdup_printf ("%s\nException Rethrown at:\n", strace);
1334 ((MonoException*)exc)->stack_trace = mono_string_new (domain, tmp);
1336 mono_raise_exception ((MonoException*)exc);
1339 mono_method_return_message_restore (method, params, out_args);
1344 mono_mb_emit_restore_result (MonoMethodBuilder *mb, MonoType *return_type)
1346 if (return_type->byref)
1347 return_type = &mono_defaults.int_class->byval_arg;
1348 else if (return_type->type == MONO_TYPE_VALUETYPE && return_type->data.klass->enumtype)
1349 return_type = return_type->data.klass->enum_basetype;
1351 switch (return_type->type) {
1352 case MONO_TYPE_VOID:
1353 g_assert_not_reached ();
1356 case MONO_TYPE_STRING:
1357 case MONO_TYPE_CLASS:
1358 case MONO_TYPE_OBJECT:
1359 case MONO_TYPE_ARRAY:
1360 case MONO_TYPE_SZARRAY:
1364 case MONO_TYPE_BOOLEAN:
1365 mono_mb_emit_byte (mb, CEE_UNBOX);
1366 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
1367 mono_mb_emit_byte (mb, CEE_LDIND_U1);
1370 mono_mb_emit_byte (mb, CEE_UNBOX);
1371 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
1372 mono_mb_emit_byte (mb, CEE_LDIND_I1);
1375 case MONO_TYPE_CHAR:
1376 mono_mb_emit_byte (mb, CEE_UNBOX);
1377 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
1378 mono_mb_emit_byte (mb, CEE_LDIND_U2);
1381 mono_mb_emit_byte (mb, CEE_UNBOX);
1382 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
1383 mono_mb_emit_byte (mb, CEE_LDIND_I2);
1387 mono_mb_emit_byte (mb, CEE_UNBOX);
1388 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
1389 mono_mb_emit_byte (mb, CEE_LDIND_I);
1392 mono_mb_emit_byte (mb, CEE_UNBOX);
1393 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
1394 mono_mb_emit_byte (mb, CEE_LDIND_I4);
1397 mono_mb_emit_byte (mb, CEE_UNBOX);
1398 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
1399 mono_mb_emit_byte (mb, CEE_LDIND_U4);
1403 mono_mb_emit_byte (mb, CEE_UNBOX);
1404 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
1405 mono_mb_emit_byte (mb, CEE_LDIND_I8);
1408 mono_mb_emit_byte (mb, CEE_UNBOX);
1409 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
1410 mono_mb_emit_byte (mb, CEE_LDIND_R4);
1413 mono_mb_emit_byte (mb, CEE_UNBOX);
1414 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
1415 mono_mb_emit_byte (mb, CEE_LDIND_R8);
1417 case MONO_TYPE_VALUETYPE: {
1419 mono_mb_emit_byte (mb, CEE_UNBOX);
1420 class = mono_mb_add_data (mb, mono_class_from_mono_type (return_type));
1421 mono_mb_emit_i4 (mb, class);
1422 mono_mb_emit_byte (mb, CEE_LDOBJ);
1423 mono_mb_emit_i4 (mb, class);
1427 g_warning ("type 0x%x not handled", return_type->type);
1428 g_assert_not_reached ();
1431 mono_mb_emit_byte (mb, CEE_RET);
1435 mono_marshal_get_delegate_end_invoke (MonoMethod *method)
1437 MonoMethodSignature *sig;
1438 static MonoMethodSignature *csig = NULL;
1439 MonoMethodBuilder *mb;
1445 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
1446 !strcmp (method->name, "EndInvoke"));
1448 sig = method->signature;
1450 cache = method->klass->image->delegate_end_invoke_cache;
1451 if ((res = mono_marshal_find_in_cache (cache, sig)))
1454 g_assert (sig->hasthis);
1457 int sigsize = sizeof (MonoMethodSignature) + 2 * sizeof (MonoType *);
1458 csig = g_malloc0 (sigsize);
1460 /* MonoObject *end_invoke (MonoDelegate *delegate, gpointer params[]) */
1461 csig->param_count = 2;
1462 csig->ret = &mono_defaults.object_class->byval_arg;
1463 csig->params [0] = &mono_defaults.object_class->byval_arg;
1464 csig->params [1] = &mono_defaults.int_class->byval_arg;
1467 name = mono_signature_to_name (sig, "end_invoke");
1468 mb = mono_mb_new (mono_defaults.multicastdelegate_class, name, MONO_WRAPPER_DELEGATE_END_INVOKE);
1471 mb->method->save_lmf = 1;
1473 params_var = mono_mb_emit_save_args (mb, sig, FALSE);
1475 mono_mb_emit_ldarg (mb, 0);
1476 mono_mb_emit_ldloc (mb, params_var);
1477 mono_mb_emit_native_call (mb, csig, mono_delegate_end_invoke);
1479 if (sig->ret->type == MONO_TYPE_VOID) {
1480 mono_mb_emit_byte (mb, CEE_POP);
1481 mono_mb_emit_byte (mb, CEE_RET);
1483 mono_mb_emit_restore_result (mb, sig->ret);
1485 res = mono_mb_create_and_cache (cache, sig,
1486 mb, sig, sig->param_count + 16);
1493 mono_remoting_wrapper (MonoMethod *method, gpointer *params)
1495 MonoMethodMessage *msg;
1496 MonoTransparentProxy *this;
1497 MonoObject *res, *exc;
1498 MonoArray *out_args;
1500 this = *((MonoTransparentProxy **)params [0]);
1503 g_assert (((MonoObject *)this)->vtable->klass == mono_defaults.transparent_proxy_class);
1505 /* skip the this pointer */
1508 if (this->klass->contextbound && this->rp->context == (MonoObject *) mono_context_get ())
1511 MonoMethodSignature *sig = method->signature;
1512 int count = sig->param_count;
1513 gpointer* mparams = (gpointer*) alloca(count*sizeof(gpointer));
1515 for (i=0; i<count; i++) {
1516 MonoClass *class = mono_class_from_mono_type (sig->params [i]);
1517 if (class->valuetype) {
1518 if (sig->params [i]->byref)
1519 mparams[i] = *((gpointer *)params [i]);
1521 mparams[i] = params [i];
1523 mparams[i] = *((gpointer**)params [i]);
1527 return mono_runtime_invoke (method, this, mparams, NULL);
1530 msg = mono_method_call_message_new (method, params, NULL, NULL, NULL);
1532 res = mono_remoting_invoke ((MonoObject *)this->rp, msg, &exc, &out_args);
1535 mono_raise_exception ((MonoException *)exc);
1537 mono_method_return_message_restore (method, params, out_args);
1543 mono_marshal_get_remoting_invoke (MonoMethod *method)
1545 MonoMethodSignature *sig;
1546 static MonoMethodSignature *csig = NULL;
1547 MonoMethodBuilder *mb;
1554 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE)
1557 sig = method->signature;
1559 /* we cant remote methods without this pointer */
1563 cache = method->klass->image->remoting_invoke_cache;
1564 if ((res = mono_marshal_find_in_cache (cache, method)))
1568 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 2);
1569 csig->params [0] = &mono_defaults.int_class->byval_arg;
1570 csig->params [1] = &mono_defaults.int_class->byval_arg;
1571 csig->ret = &mono_defaults.object_class->byval_arg;
1575 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_REMOTING_INVOKE);
1576 mb->method->save_lmf = 1;
1578 params_var = mono_mb_emit_save_args (mb, sig, TRUE);
1580 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1581 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
1582 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, method));
1583 mono_mb_emit_ldloc (mb, params_var);
1584 mono_mb_emit_native_call (mb, csig, mono_remoting_wrapper);
1586 if (sig->ret->type == MONO_TYPE_VOID) {
1587 mono_mb_emit_byte (mb, CEE_POP);
1588 mono_mb_emit_byte (mb, CEE_RET);
1590 mono_mb_emit_restore_result (mb, sig->ret);
1593 res = mono_mb_create_and_cache (cache, method, mb, sig, sig->param_count + 16);
1600 mono_marshal_get_remoting_invoke_with_check (MonoMethod *method)
1602 MonoMethodSignature *sig;
1603 MonoMethodBuilder *mb;
1604 MonoMethod *res, *native;
1610 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK)
1613 sig = method->signature;
1615 /* we cant remote methods without this pointer */
1616 g_assert (sig->hasthis);
1618 cache = method->klass->image->remoting_invoke_cache;
1619 if ((res = mono_marshal_find_in_cache (cache, (char *)method + 1)))
1622 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK);
1624 mono_mb_emit_ldarg (mb, 0);
1625 pos = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
1627 native = mono_marshal_get_remoting_invoke (method);
1629 for (i = 0; i <= sig->param_count; i++)
1630 mono_mb_emit_ldarg (mb, i);
1632 mono_mb_emit_managed_call (mb, native, native->signature);
1633 mono_mb_emit_byte (mb, CEE_RET);
1635 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
1637 for (i = 0; i <= sig->param_count; i++)
1638 mono_mb_emit_ldarg (mb, i);
1640 mono_mb_emit_managed_call (mb, method, method->signature);
1641 mono_mb_emit_byte (mb, CEE_RET);
1643 res = mono_mb_create_and_cache (cache, (char*)method + 1,
1644 mb, sig, sig->param_count + 16);
1651 * the returned method invokes all methods in a multicast delegate
1654 mono_marshal_get_delegate_invoke (MonoMethod *method)
1656 MonoMethodSignature *sig, *static_sig;
1658 MonoMethodBuilder *mb;
1664 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
1665 !strcmp (method->name, "Invoke"));
1667 sig = method->signature;
1669 cache = method->klass->image->delegate_invoke_cache;
1670 if ((res = mono_marshal_find_in_cache (cache, sig)))
1673 sigsize = sizeof (MonoMethodSignature) + sig->param_count * sizeof (MonoType *);
1674 static_sig = g_memdup (sig, sigsize);
1675 static_sig->hasthis = 0;
1677 name = mono_signature_to_name (sig, "invoke");
1678 mb = mono_mb_new (mono_defaults.multicastdelegate_class, name, MONO_WRAPPER_DELEGATE_INVOKE);
1681 /* allocate local 0 (object) */
1682 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
1684 g_assert (sig->hasthis);
1688 * prev.Invoke( args .. );
1689 * return this.<target>( args .. );
1692 /* get this->prev */
1693 mono_mb_emit_ldarg (mb, 0);
1694 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoMulticastDelegate, prev));
1695 mono_mb_emit_byte (mb, CEE_LDIND_I );
1696 mono_mb_emit_stloc (mb, 0);
1698 /* if prev != null */
1699 mono_mb_emit_ldloc (mb, 0);
1700 mono_mb_emit_byte (mb, CEE_BRFALSE);
1703 mono_mb_emit_i4 (mb, 0);
1706 mono_mb_emit_ldloc (mb, 0);
1707 for (i = 0; i < sig->param_count; i++)
1708 mono_mb_emit_ldarg (mb, i + 1);
1709 mono_mb_emit_managed_call (mb, method, method->signature);
1710 if (sig->ret->type != MONO_TYPE_VOID)
1711 mono_mb_emit_byte (mb, CEE_POP);
1713 /* continued or prev == null */
1714 mono_mb_patch_addr (mb, pos0, mb->pos - (pos0 + 4));
1716 /* get this->target */
1717 mono_mb_emit_ldarg (mb, 0);
1718 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, target));
1719 mono_mb_emit_byte (mb, CEE_LDIND_I );
1720 mono_mb_emit_stloc (mb, 0);
1722 /* if target != null */
1723 mono_mb_emit_ldloc (mb, 0);
1724 mono_mb_emit_byte (mb, CEE_BRFALSE);
1726 mono_mb_emit_i4 (mb, 0);
1728 /* then call this->method_ptr nonstatic */
1729 mono_mb_emit_ldloc (mb, 0);
1730 for (i = 0; i < sig->param_count; ++i)
1731 mono_mb_emit_ldarg (mb, i + 1);
1732 mono_mb_emit_ldarg (mb, 0);
1733 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, method_ptr));
1734 mono_mb_emit_byte (mb, CEE_LDIND_I );
1735 mono_mb_emit_byte (mb, CEE_CALLI);
1736 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, sig));
1738 mono_mb_emit_byte (mb, CEE_BR);
1740 mono_mb_emit_i4 (mb, 0);
1742 /* else [target == null] call this->method_ptr static */
1743 mono_mb_patch_addr (mb, pos0, mb->pos - (pos0 + 4));
1745 for (i = 0; i < sig->param_count; ++i)
1746 mono_mb_emit_ldarg (mb, i + 1);
1747 mono_mb_emit_ldarg (mb, 0);
1748 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, method_ptr));
1749 mono_mb_emit_byte (mb, CEE_LDIND_I );
1750 mono_mb_emit_byte (mb, CEE_CALLI);
1751 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, static_sig));
1754 mono_mb_patch_addr (mb, pos1, mb->pos - (pos1 + 4));
1755 mono_mb_emit_byte (mb, CEE_RET);
1757 res = mono_mb_create_and_cache (cache, sig,
1758 mb, sig, sig->param_count + 16);
1765 * generates IL code for the runtime invoke function
1766 * MonoObject *runtime_invoke (MonoObject *this, void **params, MonoObject **exc)
1768 * we also catch exceptions if exc != null
1771 mono_marshal_get_runtime_invoke (MonoMethod *method)
1773 MonoMethodSignature *sig, *csig;
1774 MonoExceptionClause *clause;
1775 MonoMethodHeader *header;
1776 MonoMethodBuilder *mb;
1779 static MonoString *string_dummy = NULL;
1780 int i, pos, sigsize;
1784 cache = method->klass->image->runtime_invoke_cache;
1785 if ((res = mono_marshal_find_in_cache (cache, method)))
1788 /* to make it work with our special string constructors */
1790 string_dummy = mono_string_new_wrapper ("dummy");
1792 sig = method->signature;
1794 sigsize = sizeof (MonoMethodSignature) + 3 * sizeof (MonoType *);
1795 csig = g_malloc0 (sigsize);
1797 csig->param_count = 3;
1798 csig->ret = &mono_defaults.object_class->byval_arg;
1799 csig->params [0] = &mono_defaults.object_class->byval_arg;
1800 csig->params [1] = &mono_defaults.int_class->byval_arg;
1801 csig->params [2] = &mono_defaults.int_class->byval_arg;
1803 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_RUNTIME_INVOKE);
1805 /* allocate local 0 (object) tmp */
1806 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
1807 /* allocate local 1 (object) exc */
1808 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
1810 /* cond set *exc to null */
1811 mono_mb_emit_byte (mb, CEE_LDARG_2);
1812 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
1813 mono_mb_emit_byte (mb, 3);
1814 mono_mb_emit_byte (mb, CEE_LDARG_2);
1815 mono_mb_emit_byte (mb, CEE_LDNULL);
1816 mono_mb_emit_byte (mb, CEE_STIND_I);
1819 if (method->string_ctor) {
1820 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1821 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
1822 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, string_dummy));
1824 mono_mb_emit_ldarg (mb, 0);
1825 if (method->klass->valuetype) {
1826 mono_mb_emit_byte (mb, CEE_UNBOX);
1827 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, method->klass));
1832 for (i = 0; i < sig->param_count; i++) {
1833 MonoType *t = sig->params [i];
1836 mono_mb_emit_ldarg (mb, 1);
1838 mono_mb_emit_icon (mb, sizeof (gpointer) * i);
1839 mono_mb_emit_byte (mb, CEE_ADD);
1841 mono_mb_emit_byte (mb, CEE_LDIND_I);
1846 type = sig->params [i]->type;
1850 mono_mb_emit_byte (mb, CEE_LDIND_I1);
1852 case MONO_TYPE_BOOLEAN:
1854 mono_mb_emit_byte (mb, CEE_LDIND_U1);
1857 mono_mb_emit_byte (mb, CEE_LDIND_I2);
1860 case MONO_TYPE_CHAR:
1861 mono_mb_emit_byte (mb, CEE_LDIND_U2);
1865 mono_mb_emit_byte (mb, CEE_LDIND_I);
1868 mono_mb_emit_byte (mb, CEE_LDIND_I4);
1871 mono_mb_emit_byte (mb, CEE_LDIND_U4);
1874 mono_mb_emit_byte (mb, CEE_LDIND_R4);
1877 mono_mb_emit_byte (mb, CEE_LDIND_R8);
1881 mono_mb_emit_byte (mb, CEE_LDIND_I8);
1883 case MONO_TYPE_STRING:
1884 case MONO_TYPE_CLASS:
1885 case MONO_TYPE_ARRAY:
1887 case MONO_TYPE_SZARRAY:
1888 case MONO_TYPE_OBJECT:
1891 case MONO_TYPE_VALUETYPE:
1892 if (t->data.klass->enumtype) {
1893 type = t->data.klass->enum_basetype->type;
1896 mono_mb_emit_byte (mb, CEE_LDOBJ);
1897 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, t->data.klass));
1900 g_assert_not_reached ();
1904 if (method->string_ctor) {
1905 MonoMethodSignature *strsig;
1907 sigsize = sizeof (MonoMethodSignature) + sig->param_count * sizeof (MonoType *);
1908 strsig = g_memdup (sig, sigsize);
1909 strsig->ret = &mono_defaults.string_class->byval_arg;
1911 mono_mb_emit_managed_call (mb, method, strsig);
1913 mono_mb_emit_managed_call (mb, method, NULL);
1915 if (sig->ret->byref) {
1917 g_assert_not_reached ();
1921 switch (sig->ret->type) {
1922 case MONO_TYPE_VOID:
1923 if (!method->string_ctor)
1924 mono_mb_emit_byte (mb, CEE_LDNULL);
1926 case MONO_TYPE_BOOLEAN:
1927 case MONO_TYPE_CHAR:
1940 case MONO_TYPE_VALUETYPE:
1941 /* box value types */
1942 mono_mb_emit_byte (mb, CEE_BOX);
1943 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (sig->ret)));
1945 case MONO_TYPE_STRING:
1946 case MONO_TYPE_CLASS:
1947 case MONO_TYPE_ARRAY:
1948 case MONO_TYPE_SZARRAY:
1949 case MONO_TYPE_OBJECT:
1954 g_assert_not_reached ();
1957 mono_mb_emit_stloc (mb, 0);
1959 mono_mb_emit_byte (mb, CEE_LEAVE);
1961 mono_mb_emit_i4 (mb, 0);
1963 clause = g_new0 (MonoExceptionClause, 1);
1964 clause->flags = MONO_EXCEPTION_CLAUSE_FILTER;
1965 clause->try_len = mb->pos;
1968 clause->token_or_filter = mb->pos;
1970 mono_mb_emit_byte (mb, CEE_POP);
1971 mono_mb_emit_byte (mb, CEE_LDARG_2);
1972 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
1973 mono_mb_emit_byte (mb, CEE_PREFIX1);
1974 mono_mb_emit_byte (mb, CEE_CGT_UN);
1975 mono_mb_emit_byte (mb, CEE_PREFIX1);
1976 mono_mb_emit_byte (mb, CEE_ENDFILTER);
1978 clause->handler_offset = mb->pos;
1981 /* store exception */
1982 mono_mb_emit_stloc (mb, 1);
1984 mono_mb_emit_byte (mb, CEE_LDARG_2);
1985 mono_mb_emit_ldloc (mb, 1);
1986 mono_mb_emit_byte (mb, CEE_STIND_I);
1988 mono_mb_emit_byte (mb, CEE_LEAVE);
1989 mono_mb_emit_i4 (mb, 0);
1991 clause->handler_len = mb->pos - clause->handler_offset;
1994 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
1995 mono_mb_emit_ldloc (mb, 0);
1996 mono_mb_emit_byte (mb, CEE_RET);
1998 res = mono_mb_create_and_cache (cache, method,
1999 mb, csig, sig->param_count + 16);
2002 header = ((MonoMethodNormal *)res)->header;
2003 header->num_clauses = 1;
2004 header->clauses = clause;
2010 * generates IL code to call managed methods from unmanaged code
2013 mono_marshal_get_managed_wrapper (MonoMethod *method, MonoObject *this, MonoMarshalSpec **mspecs)
2015 MonoMethodSignature *sig, *csig;
2016 MonoMethodBuilder *mb;
2017 MonoClass *klass = NULL;
2020 int i, pos = 0, sigsize, *tmp_locals;
2021 static MonoMethodSignature *alloc_sig = NULL;
2024 g_assert (method != NULL);
2025 g_assert (!method->signature->pinvoke);
2027 cache = method->klass->image->managed_wrapper_cache;
2028 if (!this && (res = mono_marshal_find_in_cache (cache, method)))
2031 /* Under MS, the allocation should be done using CoTaskMemAlloc */
2033 alloc_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
2034 alloc_sig->params [0] = &mono_defaults.int_class->byval_arg;
2035 alloc_sig->ret = &mono_defaults.int_class->byval_arg;
2036 alloc_sig->pinvoke = 1;
2040 /* fime: howto free that memory ? */
2043 sig = method->signature;
2045 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_NATIVE_TO_MANAGED);
2047 /* allocate local 0 (pointer) src_ptr */
2048 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2049 /* allocate local 1 (pointer) dst_ptr */
2050 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2051 /* allocate local 2 (boolean) delete_old */
2052 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
2054 if (!MONO_TYPE_IS_VOID(sig->ret)) {
2055 /* allocate local 3 to store the return value */
2056 mono_mb_add_local (mb, sig->ret);
2059 mono_mb_emit_byte (mb, CEE_LDNULL);
2060 mono_mb_emit_byte (mb, CEE_STLOC_2);
2062 /* we copy the signature, so that we can modify it */
2063 sigsize = sizeof (MonoMethodSignature) + sig->param_count * sizeof (MonoType *);
2064 csig = g_memdup (sig, sigsize);
2068 #ifdef PLATFORM_WIN32
2070 * Under windows, delegates passed to native code must use the STDCALL
2071 * calling convention.
2073 csig->call_convention = MONO_CALL_STDCALL;
2076 /* fixme: howto handle this ? */
2080 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2081 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
2082 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, this));
2087 g_assert_not_reached ();
2092 /* we first do all conversions */
2093 tmp_locals = alloca (sizeof (int) * sig->param_count);
2094 for (i = 0; i < sig->param_count; i ++) {
2095 MonoType *t = sig->params [i];
2096 MonoMarshalSpec *spec = mspecs [i + 1];
2100 if (spec && spec->native == MONO_NATIVE_CUSTOM) {
2103 MonoMethod *marshal_native_to_managed;
2104 MonoMethod *get_instance;
2106 /* FIXME: Call CleanUpNativeData after the call */
2108 mtype = mono_reflection_type_from_name (spec->data.custom_data.custom_name, method->klass->image);
2109 g_assert (mtype != NULL);
2110 mklass = mono_class_from_mono_type (mtype);
2111 g_assert (mklass != NULL);
2113 marshal_native_to_managed = mono_find_method_by_name (mklass, "MarshalNativeToManaged", 1);
2114 g_assert (marshal_native_to_managed);
2115 get_instance = mono_find_method_by_name (mklass, "GetInstance", 1);
2116 g_assert (get_instance);
2119 case MONO_TYPE_CLASS:
2120 case MONO_TYPE_OBJECT:
2121 case MONO_TYPE_STRING:
2122 case MONO_TYPE_ARRAY:
2123 case MONO_TYPE_SZARRAY:
2127 tmp_locals [i] = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
2129 mono_mb_emit_ldstr (mb, spec->data.custom_data.cookie);
2131 mono_mb_emit_byte (mb, CEE_CALL);
2132 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, get_instance));
2134 mono_mb_emit_ldarg (mb, i);
2136 mono_mb_emit_byte (mb, CEE_CALLVIRT);
2137 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, marshal_native_to_managed));
2139 mono_mb_emit_stloc (mb, tmp_locals [i]);
2142 g_warning ("custom marshalling of type %x is currently not supported", t->type);
2143 g_assert_not_reached ();
2150 case MONO_TYPE_CLASS: {
2151 klass = t->data.klass;
2153 /* FIXME: Raise a MarshalDirectiveException here */
2154 g_assert ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) != TYPE_ATTRIBUTE_AUTO_LAYOUT);
2156 tmp_locals [i] = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2158 if (t->attrs & PARAM_ATTRIBUTE_OUT) {
2159 mono_mb_emit_byte (mb, CEE_LDNULL);
2160 mono_mb_emit_stloc (mb, tmp_locals [i]);
2165 mono_mb_emit_ldarg (mb, i);
2169 /* Check for NULL and raise an exception */
2170 mono_mb_emit_byte (mb, CEE_BRTRUE);
2172 mono_mb_emit_i4 (mb, 0);
2174 mono_mb_emit_exception (mb, "ArgumentNullException", NULL);
2176 mono_mb_patch_addr (mb, pos2, mb->pos - (pos2 + 4));
2177 mono_mb_emit_ldarg (mb, i);
2178 mono_mb_emit_byte (mb, CEE_LDIND_I);
2181 mono_mb_emit_byte (mb, CEE_STLOC_0);
2183 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
2184 mono_mb_emit_stloc (mb, tmp_locals [i]);
2186 mono_mb_emit_byte (mb, CEE_LDLOC_0);
2187 mono_mb_emit_byte (mb, CEE_BRFALSE);
2189 mono_mb_emit_i4 (mb, 0);
2191 /* Create and set dst */
2192 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2193 mono_mb_emit_byte (mb, CEE_MONO_NEWOBJ);
2194 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
2195 mono_mb_emit_stloc (mb, tmp_locals [i]);
2196 mono_mb_emit_ldloc (mb, tmp_locals [i]);
2197 mono_mb_emit_icon (mb, sizeof (MonoObject));
2198 mono_mb_emit_byte (mb, CEE_ADD);
2199 mono_mb_emit_byte (mb, CEE_STLOC_1);
2201 /* emit valuetype conversion code */
2202 emit_struct_conv (mb, klass, TRUE);
2204 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
2207 case MONO_TYPE_VALUETYPE:
2209 klass = sig->params [i]->data.klass;
2210 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
2211 klass->blittable || klass->enumtype)
2214 tmp_locals [i] = mono_mb_add_local (mb, &klass->byval_arg);
2217 mono_mb_emit_ldarg (mb, i);
2219 mono_mb_emit_ldarg_addr (mb, i);
2220 mono_mb_emit_byte (mb, CEE_STLOC_0);
2223 mono_mb_emit_byte (mb, CEE_LDLOC_0);
2224 mono_mb_emit_byte (mb, CEE_BRFALSE);
2226 mono_mb_emit_i4 (mb, 0);
2229 mono_mb_emit_ldloc_addr (mb, tmp_locals [i]);
2230 mono_mb_emit_byte (mb, CEE_STLOC_1);
2232 /* emit valuetype convnversion code code */
2233 emit_struct_conv (mb, klass, TRUE);
2236 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
2238 case MONO_TYPE_STRING:
2242 tmp_locals [i] = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
2243 csig->params [i] = &mono_defaults.int_class->byval_arg;
2245 mono_mb_emit_ldarg (mb, i);
2246 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2247 mono_mb_emit_byte (mb, CEE_MONO_FUNC1);
2248 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_LPSTR_STR);
2249 mono_mb_emit_stloc (mb, tmp_locals [i]);
2251 case MONO_TYPE_ARRAY:
2252 case MONO_TYPE_SZARRAY:
2256 klass = mono_class_from_mono_type (t);
2258 tmp_locals [i] = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
2259 csig->params [i] = &mono_defaults.int_class->byval_arg;
2261 g_warning ("array marshaling not implemented");
2262 g_assert_not_reached ();
2267 for (i = 0; i < sig->param_count; i++) {
2268 MonoType *t = sig->params [i];
2271 case MONO_TYPE_BOOLEAN:
2285 mono_mb_emit_ldarg (mb, i);
2287 case MONO_TYPE_STRING:
2289 mono_mb_emit_ldarg (mb, i);
2291 g_assert (tmp_locals [i]);
2292 mono_mb_emit_ldloc (mb, tmp_locals [i]);
2295 case MONO_TYPE_CLASS:
2297 mono_mb_emit_ldloc_addr (mb, tmp_locals [i]);
2299 mono_mb_emit_ldloc (mb, tmp_locals [i]);
2301 case MONO_TYPE_ARRAY:
2302 case MONO_TYPE_SZARRAY:
2303 case MONO_TYPE_OBJECT:
2305 mono_mb_emit_ldloc (mb, tmp_locals [i]);
2307 mono_mb_emit_ldarg (mb, i);
2309 case MONO_TYPE_VALUETYPE:
2310 klass = sig->params [i]->data.klass;
2311 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
2312 klass->blittable || klass->enumtype) {
2313 mono_mb_emit_ldarg (mb, i);
2317 g_assert (tmp_locals [i]);
2319 mono_mb_emit_ldloc_addr (mb, tmp_locals [i]);
2321 mono_mb_emit_ldloc (mb, tmp_locals [i]);
2324 g_warning ("type 0x%02x unknown", t->type);
2325 g_assert_not_reached ();
2329 mono_mb_emit_managed_call (mb, method, NULL);
2331 if (!sig->ret->byref) {
2332 switch (sig->ret->type) {
2333 case MONO_TYPE_VOID:
2335 case MONO_TYPE_BOOLEAN:
2349 case MONO_TYPE_OBJECT:
2350 mono_mb_emit_byte (mb, CEE_STLOC_3);
2352 case MONO_TYPE_STRING:
2353 csig->ret = &mono_defaults.int_class->byval_arg;
2355 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2356 mono_mb_emit_byte (mb, CEE_MONO_FUNC1);
2357 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_STR_LPSTR);
2358 mono_mb_emit_byte (mb, CEE_STLOC_3);
2360 case MONO_TYPE_VALUETYPE:
2361 klass = sig->ret->data.klass;
2362 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
2363 klass->blittable || klass->enumtype)
2366 /* load pointer to returned value type */
2367 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2368 mono_mb_emit_byte (mb, CEE_MONO_VTADDR);
2370 /* store the address of the source into local variable 0 */
2371 mono_mb_emit_byte (mb, CEE_STLOC_0);
2372 /* allocate space for the native struct and
2373 * store the address into dst_ptr */
2374 retobj_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2375 g_assert (retobj_var);
2376 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
2377 mono_mb_emit_byte (mb, CEE_CONV_I);
2378 mono_mb_emit_native_call (mb, alloc_sig, mono_marshal_alloc);
2379 mono_mb_emit_byte (mb, CEE_STLOC_1);
2380 mono_mb_emit_byte (mb, CEE_LDLOC_1);
2381 mono_mb_emit_stloc (mb, retobj_var);
2383 /* emit valuetype conversion code */
2384 emit_struct_conv (mb, klass, FALSE);
2386 case MONO_TYPE_CLASS: {
2389 klass = sig->ret->data.klass;
2391 /* FIXME: Raise a MarshalDirectiveException here */
2392 g_assert ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) != TYPE_ATTRIBUTE_AUTO_LAYOUT);
2394 mono_mb_emit_byte (mb, CEE_STLOC_0);
2395 /* Check for null */
2396 mono_mb_emit_byte (mb, CEE_LDLOC_0);
2397 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
2398 mono_mb_emit_byte (mb, CEE_LDNULL);
2399 mono_mb_emit_byte (mb, CEE_STLOC_3);
2400 pos2 = mono_mb_emit_branch (mb, CEE_BR);
2402 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
2405 mono_mb_emit_byte (mb, CEE_LDLOC_0);
2406 mono_mb_emit_icon (mb, sizeof (MonoObject));
2407 mono_mb_emit_byte (mb, CEE_ADD);
2408 mono_mb_emit_byte (mb, CEE_STLOC_0);
2410 /* Allocate and set dest */
2411 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
2412 mono_mb_emit_byte (mb, CEE_CONV_I);
2413 mono_mb_emit_native_call (mb, alloc_sig, mono_marshal_alloc);
2414 mono_mb_emit_byte (mb, CEE_DUP);
2415 mono_mb_emit_byte (mb, CEE_STLOC_1);
2416 mono_mb_emit_byte (mb, CEE_STLOC_3);
2418 emit_struct_conv (mb, klass, FALSE);
2420 mono_mb_patch_addr (mb, pos2, mb->pos - (pos2 + 4));
2424 g_warning ("return type 0x%02x unknown", sig->ret->type);
2425 g_assert_not_reached ();
2428 mono_mb_emit_byte (mb, CEE_STLOC_3);
2431 /* Convert byref arguments back */
2432 for (i = 0; i < sig->param_count; i ++) {
2433 MonoType *t = sig->params [i];
2439 case MONO_TYPE_CLASS: {
2442 klass = t->data.klass;
2444 /* Check for null */
2445 mono_mb_emit_ldloc (mb, tmp_locals [i]);
2446 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
2447 mono_mb_emit_ldarg (mb, i);
2448 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
2449 mono_mb_emit_byte (mb, CEE_STIND_I);
2450 pos2 = mono_mb_emit_branch (mb, CEE_BR);
2452 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
2455 mono_mb_emit_ldloc (mb, tmp_locals [i]);
2456 mono_mb_emit_icon (mb, sizeof (MonoObject));
2457 mono_mb_emit_byte (mb, CEE_ADD);
2458 mono_mb_emit_byte (mb, CEE_STLOC_0);
2460 /* Allocate and set dest */
2461 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
2462 mono_mb_emit_byte (mb, CEE_CONV_I);
2463 mono_mb_emit_native_call (mb, alloc_sig, mono_marshal_alloc);
2464 mono_mb_emit_byte (mb, CEE_STLOC_1);
2466 /* Update argument pointer */
2467 mono_mb_emit_ldarg (mb, i);
2468 mono_mb_emit_byte (mb, CEE_LDLOC_1);
2469 mono_mb_emit_byte (mb, CEE_STIND_I);
2471 /* emit valuetype conversion code */
2472 emit_struct_conv (mb, klass, FALSE);
2474 mono_mb_patch_addr (mb, pos2, mb->pos - (pos2 + 4));
2481 mono_mb_emit_ldloc (mb, retobj_var);
2482 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2483 mono_mb_emit_byte (mb, CEE_MONO_RETOBJ);
2484 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
2487 if (!MONO_TYPE_IS_VOID(sig->ret))
2488 mono_mb_emit_byte (mb, CEE_LDLOC_3);
2489 mono_mb_emit_byte (mb, CEE_RET);
2493 res = mono_mb_create_and_cache (cache, method,
2494 mb, csig, sig->param_count + 16);
2496 res = mono_mb_create_method (mb, csig, sig->param_count + 16);
2499 //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));
2505 * mono_marshal_get_ldfld_wrapper:
2506 * @type: the type of the field
2508 * This method generates a function which can be use to load a field with type
2509 * @type from an object. The generated function has the following signature:
2510 * <@type> ldfld_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset)
2513 mono_marshal_get_ldfld_wrapper (MonoType *type)
2515 MonoMethodSignature *sig, *csig;
2516 MonoMethodBuilder *mb;
2519 static GHashTable *ldfld_hash = NULL;
2521 int t, pos0, pos1 = 0;
2526 if (type->type == MONO_TYPE_SZARRAY) {
2527 klass = mono_defaults.array_class;
2528 } else if (type->type == MONO_TYPE_VALUETYPE) {
2529 klass = type->data.klass;
2530 if (klass->enumtype) {
2531 t = klass->enum_basetype->type;
2532 klass = mono_class_from_mono_type (klass->enum_basetype);
2534 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING ||
2535 t == MONO_TYPE_CLASS) {
2536 klass = mono_defaults.object_class;
2537 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
2538 klass = mono_defaults.int_class;
2540 klass = mono_class_from_mono_type (type);
2543 klass = mono_defaults.int_class;
2546 EnterCriticalSection (&marshal_mutex);
2548 ldfld_hash = g_hash_table_new (NULL, NULL);
2549 res = g_hash_table_lookup (ldfld_hash, klass);
2550 LeaveCriticalSection (&marshal_mutex);
2554 name = g_strdup_printf ("__ldfld_wrapper_%s.%s", klass->name_space, klass->name);
2555 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_LDFLD);
2558 mb->method->save_lmf = 1;
2560 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
2561 sig->params [0] = &mono_defaults.object_class->byval_arg;
2562 sig->params [1] = &mono_defaults.int_class->byval_arg;
2563 sig->params [2] = &mono_defaults.int_class->byval_arg;
2564 sig->params [3] = &mono_defaults.int_class->byval_arg;
2565 sig->ret = &klass->byval_arg;
2567 mono_mb_emit_ldarg (mb, 0);
2568 pos0 = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
2570 mono_mb_emit_ldarg (mb, 0);
2571 mono_mb_emit_ldarg (mb, 1);
2572 mono_mb_emit_ldarg (mb, 2);
2574 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
2575 csig->params [0] = &mono_defaults.object_class->byval_arg;
2576 csig->params [1] = &mono_defaults.int_class->byval_arg;
2577 csig->params [2] = &mono_defaults.int_class->byval_arg;
2578 csig->ret = &klass->this_arg;
2581 mono_mb_emit_native_call (mb, csig, mono_load_remote_field_new);
2583 if (klass->valuetype) {
2584 mono_mb_emit_byte (mb, CEE_UNBOX);
2585 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
2586 mono_mb_emit_byte (mb, CEE_BR);
2588 mono_mb_emit_i4 (mb, 0);
2590 mono_mb_emit_byte (mb, CEE_RET);
2594 mono_mb_patch_addr (mb, pos0, mb->pos - (pos0 + 4));
2596 mono_mb_emit_ldarg (mb, 0);
2597 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2598 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
2599 mono_mb_emit_ldarg (mb, 3);
2600 mono_mb_emit_byte (mb, CEE_ADD);
2602 if (klass->valuetype)
2603 mono_mb_patch_addr (mb, pos1, mb->pos - (pos1 + 4));
2608 case MONO_TYPE_BOOLEAN:
2609 mono_mb_emit_byte (mb, CEE_LDIND_I1);
2611 case MONO_TYPE_CHAR:
2614 mono_mb_emit_byte (mb, CEE_LDIND_I2);
2618 mono_mb_emit_byte (mb, CEE_LDIND_I4);
2622 mono_mb_emit_byte (mb, CEE_LDIND_I8);
2625 mono_mb_emit_byte (mb, CEE_LDIND_R4);
2628 mono_mb_emit_byte (mb, CEE_LDIND_R8);
2630 case MONO_TYPE_ARRAY:
2632 case MONO_TYPE_FNPTR:
2633 case MONO_TYPE_SZARRAY:
2634 case MONO_TYPE_OBJECT:
2635 case MONO_TYPE_CLASS:
2636 case MONO_TYPE_STRING:
2639 mono_mb_emit_byte (mb, CEE_LDIND_I);
2641 case MONO_TYPE_VALUETYPE:
2642 g_assert (!klass->enumtype);
2643 mono_mb_emit_byte (mb, CEE_LDOBJ);
2644 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
2647 g_warning ("type %x not implemented", type->type);
2648 g_assert_not_reached ();
2651 mono_mb_emit_byte (mb, CEE_RET);
2653 res = mono_mb_create_and_cache (ldfld_hash, klass,
2654 mb, sig, sig->param_count + 16);
2661 * mono_marshal_get_stfld_wrapper:
2662 * @type: the type of the field
2664 * This method generates a function which can be use to store a field with type
2665 * @type. The generated function has the following signature:
2666 * void stfld_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset, <@type> val)
2669 mono_marshal_get_stfld_wrapper (MonoType *type)
2671 MonoMethodSignature *sig, *csig;
2672 MonoMethodBuilder *mb;
2675 static GHashTable *stfld_hash = NULL;
2682 if (type->type == MONO_TYPE_SZARRAY) {
2683 klass = mono_defaults.array_class;
2684 } else if (type->type == MONO_TYPE_VALUETYPE) {
2685 klass = type->data.klass;
2686 if (klass->enumtype) {
2687 t = klass->enum_basetype->type;
2688 klass = mono_class_from_mono_type (klass->enum_basetype);
2690 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING ||
2691 t == MONO_TYPE_CLASS) {
2692 klass = mono_defaults.object_class;
2693 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
2694 klass = mono_defaults.int_class;
2696 klass = mono_class_from_mono_type (type);
2699 klass = mono_defaults.int_class;
2702 EnterCriticalSection (&marshal_mutex);
2704 stfld_hash = g_hash_table_new (NULL, NULL);
2705 res = g_hash_table_lookup (stfld_hash, klass);
2706 LeaveCriticalSection (&marshal_mutex);
2710 name = g_strdup_printf ("__stfld_wrapper_%s.%s", klass->name_space, klass->name);
2711 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_STFLD);
2714 mb->method->save_lmf = 1;
2716 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 5);
2717 sig->params [0] = &mono_defaults.object_class->byval_arg;
2718 sig->params [1] = &mono_defaults.int_class->byval_arg;
2719 sig->params [2] = &mono_defaults.int_class->byval_arg;
2720 sig->params [3] = &mono_defaults.int_class->byval_arg;
2721 sig->params [4] = &klass->byval_arg;
2722 sig->ret = &mono_defaults.void_class->byval_arg;
2724 mono_mb_emit_ldarg (mb, 0);
2725 pos = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
2727 mono_mb_emit_ldarg (mb, 0);
2728 mono_mb_emit_ldarg (mb, 1);
2729 mono_mb_emit_ldarg (mb, 2);
2730 mono_mb_emit_ldarg (mb, 4);
2732 if (klass->valuetype) {
2733 mono_mb_emit_byte (mb, CEE_BOX);
2734 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
2737 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
2738 csig->params [0] = &mono_defaults.object_class->byval_arg;
2739 csig->params [1] = &mono_defaults.int_class->byval_arg;
2740 csig->params [2] = &mono_defaults.int_class->byval_arg;
2741 csig->params [3] = &klass->this_arg;
2742 csig->ret = &mono_defaults.void_class->byval_arg;
2745 mono_mb_emit_native_call (mb, csig, mono_store_remote_field_new);
2747 mono_mb_emit_byte (mb, CEE_RET);
2749 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
2751 mono_mb_emit_ldarg (mb, 0);
2752 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2753 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
2754 mono_mb_emit_ldarg (mb, 3);
2755 mono_mb_emit_byte (mb, CEE_ADD);
2756 mono_mb_emit_ldarg (mb, 4);
2761 case MONO_TYPE_BOOLEAN:
2762 mono_mb_emit_byte (mb, CEE_STIND_I1);
2764 case MONO_TYPE_CHAR:
2767 mono_mb_emit_byte (mb, CEE_STIND_I2);
2771 mono_mb_emit_byte (mb, CEE_STIND_I4);
2775 mono_mb_emit_byte (mb, CEE_STIND_I8);
2778 mono_mb_emit_byte (mb, CEE_STIND_R4);
2781 mono_mb_emit_byte (mb, CEE_STIND_R8);
2783 case MONO_TYPE_ARRAY:
2785 case MONO_TYPE_FNPTR:
2786 case MONO_TYPE_SZARRAY:
2787 case MONO_TYPE_OBJECT:
2788 case MONO_TYPE_CLASS:
2789 case MONO_TYPE_STRING:
2792 mono_mb_emit_byte (mb, CEE_STIND_I);
2794 case MONO_TYPE_VALUETYPE:
2795 g_assert (!klass->enumtype);
2796 mono_mb_emit_byte (mb, CEE_STOBJ);
2797 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
2800 g_warning ("type %x not implemented", type->type);
2801 g_assert_not_reached ();
2804 mono_mb_emit_byte (mb, CEE_RET);
2806 res = mono_mb_create_and_cache (stfld_hash, klass,
2807 mb, sig, sig->param_count + 16);
2814 * generates IL code for the icall wrapper (the generated method
2815 * calls the unmanaged code in func)
2818 mono_marshal_get_icall_wrapper (MonoMethodSignature *sig, const char *name, gconstpointer func)
2820 MonoMethodSignature *csig;
2821 MonoMethodBuilder *mb;
2825 g_assert (sig->pinvoke);
2827 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_MANAGED_TO_NATIVE);
2829 mb->method->save_lmf = 1;
2831 /* we copy the signature, so that we can modify it */
2832 sigsize = sizeof (MonoMethodSignature) + sig->param_count * sizeof (MonoType *);
2835 mono_mb_emit_byte (mb, CEE_LDARG_0);
2837 for (i = 0; i < sig->param_count; i++)
2838 mono_mb_emit_ldarg (mb, i + sig->hasthis);
2840 mono_mb_emit_native_call (mb, sig, (gpointer) func);
2842 mono_mb_emit_byte (mb, CEE_RET);
2844 csig = g_memdup (sig, sigsize);
2847 res = mono_mb_create_method (mb, csig, csig->param_count + 16);
2854 * mono_marshal_get_native_wrapper:
2855 * @method: The MonoMethod to wrap.
2857 * generates IL code for the pinvoke wrapper (the generated method
2858 * calls the unmanaged code in method->addr)
2861 mono_marshal_get_native_wrapper (MonoMethod *method)
2863 MonoMethodSignature *sig, *csig;
2864 MonoMethodPInvoke *piinfo;
2865 MonoMethodBuilder *mb;
2866 MonoMarshalSpec **mspecs;
2870 gboolean pinvoke = FALSE;
2871 int i, pos, argnum, *tmp_locals;
2873 const char *exc_class = "MissingMethodException";
2874 const char *exc_arg = NULL;
2876 g_assert (method != NULL);
2877 g_assert (method->signature->pinvoke);
2879 cache = method->klass->image->native_wrapper_cache;
2880 if ((res = mono_marshal_find_in_cache (cache, method)))
2883 sig = method->signature;
2884 sigsize = sizeof (MonoMethodSignature) + sig->param_count * sizeof (MonoType *);
2886 if (!(method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
2887 (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL))
2890 if (!method->addr) {
2892 mono_lookup_pinvoke_call (method, &exc_class, &exc_arg);
2894 method->addr = mono_lookup_internal_call (method);
2897 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_MANAGED_TO_NATIVE);
2899 mb->method->save_lmf = 1;
2901 piinfo = (MonoMethodPInvoke *)method;
2903 if (!method->addr) {
2904 mono_mb_emit_exception (mb, exc_class, exc_arg);
2905 csig = g_memdup (sig, sigsize);
2907 res = mono_mb_create_and_cache (cache, method,
2908 mb, csig, csig->param_count + 16);
2913 /* internal calls: we simply push all arguments and call the method (no conversions) */
2914 if (method->iflags & (METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL | METHOD_IMPL_ATTRIBUTE_RUNTIME)) {
2916 /* hack - string constructors returns a value */
2917 if (method->string_ctor) {
2918 csig = g_memdup (sig, sigsize);
2919 csig->ret = &mono_defaults.string_class->byval_arg;
2924 mono_mb_emit_byte (mb, CEE_LDARG_0);
2926 for (i = 0; i < sig->param_count; i++)
2927 mono_mb_emit_ldarg (mb, i + sig->hasthis);
2929 g_assert (method->addr);
2930 mono_mb_emit_native_call (mb, csig, method->addr);
2932 mono_mb_emit_byte (mb, CEE_RET);
2934 csig = g_memdup (csig, sigsize);
2936 res = mono_mb_create_and_cache (cache, method,
2937 mb, csig, csig->param_count + 16);
2944 mspecs = g_new (MonoMarshalSpec*, sig->param_count + 1);
2945 mono_method_get_marshal_info (method, mspecs);
2947 /* pinvoke: we need to convert the arguments if necessary */
2949 /* we copy the signature, so that we can set pinvoke to 0 */
2950 csig = g_memdup (sig, sigsize);
2953 /* we allocate local for use with emit_struct_conv() */
2954 /* allocate local 0 (pointer) src_ptr */
2955 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2956 /* allocate local 1 (pointer) dst_ptr */
2957 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2958 /* allocate local 2 (boolean) delete_old */
2959 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
2961 /* delete_old = FALSE */
2962 mono_mb_emit_icon (mb, 0);
2963 mono_mb_emit_byte (mb, CEE_STLOC_2);
2965 if (!MONO_TYPE_IS_VOID(sig->ret)) {
2966 /* allocate local 3 to store the return value */
2967 mono_mb_add_local (mb, sig->ret);
2970 /* we first do all conversions */
2971 tmp_locals = alloca (sizeof (int) * sig->param_count);
2973 for (i = 0; i < sig->param_count; i ++) {
2974 MonoType *t = sig->params [i];
2975 MonoMarshalSpec *spec = mspecs [i + 1];
2977 argnum = i + sig->hasthis;
2980 if (spec && spec->native == MONO_NATIVE_CUSTOM) {
2983 MonoMethod *marshal_managed_to_native;
2984 MonoMethod *get_instance;
2986 /* FIXME: Call CleanUpNativeData after the call */
2988 mtype = mono_reflection_type_from_name (spec->data.custom_data.custom_name, method->klass->image);
2989 g_assert (mtype != NULL);
2990 mklass = mono_class_from_mono_type (mtype);
2991 g_assert (mklass != NULL);
2993 marshal_managed_to_native = mono_find_method_by_name (mklass, "MarshalManagedToNative", 1);
2994 g_assert (marshal_managed_to_native);
2995 get_instance = mono_find_method_by_name (mklass, "GetInstance", 1);
2996 g_assert (get_instance);
2999 case MONO_TYPE_CLASS:
3000 case MONO_TYPE_OBJECT:
3001 case MONO_TYPE_STRING:
3002 case MONO_TYPE_ARRAY:
3003 case MONO_TYPE_SZARRAY:
3004 case MONO_TYPE_VALUETYPE:
3008 tmp_locals [i] = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
3010 mono_mb_emit_ldstr (mb, spec->data.custom_data.cookie);
3012 mono_mb_emit_byte (mb, CEE_CALL);
3013 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, get_instance));
3015 mono_mb_emit_ldarg (mb, argnum);
3017 if (t->type == MONO_TYPE_VALUETYPE) {
3018 mono_mb_emit_byte (mb, CEE_BOX);
3019 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (t)));
3022 mono_mb_emit_byte (mb, CEE_CALLVIRT);
3023 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, marshal_managed_to_native));
3025 mono_mb_emit_stloc (mb, tmp_locals [i]);
3029 g_warning ("custom marshalling of type %x is currently not supported", t->type);
3030 g_assert_not_reached ();
3036 if (spec && spec->native == MONO_NATIVE_ASANY) {
3037 char *msg = g_strdup_printf ("marshalling conversion UnmanagedType.AsAny not implemented");
3038 MonoException *exc = mono_get_exception_not_implemented (msg);
3041 mono_raise_exception (exc);
3045 case MONO_TYPE_VALUETYPE:
3046 klass = t->data.klass;
3048 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
3049 klass->blittable || klass->enumtype)
3052 tmp_locals [i] = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
3054 /* store the address of the source into local variable 0 */
3056 mono_mb_emit_ldarg (mb, argnum);
3058 mono_mb_emit_ldarg_addr (mb, argnum);
3060 mono_mb_emit_byte (mb, CEE_STLOC_0);
3062 /* allocate space for the native struct and
3063 * store the address into local variable 1 (dest) */
3064 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
3065 mono_mb_emit_byte (mb, CEE_PREFIX1);
3066 mono_mb_emit_byte (mb, CEE_LOCALLOC);
3067 mono_mb_emit_stloc (mb, tmp_locals [i]);
3070 mono_mb_emit_byte (mb, CEE_LDLOC_0);
3071 mono_mb_emit_byte (mb, CEE_BRFALSE);
3073 mono_mb_emit_i4 (mb, 0);
3077 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3078 mono_mb_emit_byte (mb, CEE_STLOC_1);
3080 /* emit valuetype conversion code */
3081 emit_struct_conv (mb, klass, FALSE);
3084 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
3086 case MONO_TYPE_STRING:
3087 csig->params [argnum] = &mono_defaults.int_class->byval_arg;
3088 tmp_locals [i] = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
3091 if (t->attrs & PARAM_ATTRIBUTE_OUT)
3094 mono_mb_emit_ldarg (mb, argnum);
3095 mono_mb_emit_byte (mb, CEE_LDIND_I);
3097 mono_mb_emit_ldarg (mb, argnum);
3100 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3101 mono_mb_emit_byte (mb, CEE_MONO_FUNC1);
3104 switch (spec->native) {
3105 case MONO_NATIVE_LPWSTR:
3106 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_STR_LPWSTR);
3108 case MONO_NATIVE_LPSTR:
3109 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_STR_LPSTR);
3112 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", spec->native);
3113 MonoException *exc = mono_get_exception_not_implemented (msg);
3116 mono_raise_exception (exc);
3120 switch (piinfo->piflags & PINVOKE_ATTRIBUTE_CHAR_SET_MASK) {
3121 case PINVOKE_ATTRIBUTE_CHAR_SET_ANSI:
3122 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_STR_LPSTR);
3124 case PINVOKE_ATTRIBUTE_CHAR_SET_UNICODE:
3125 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_STR_LPWSTR);
3127 case PINVOKE_ATTRIBUTE_CHAR_SET_AUTO:
3128 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_STR_LPTSTR);
3131 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_STR_LPSTR);
3136 mono_mb_emit_stloc (mb, tmp_locals [i]);
3138 case MONO_TYPE_CLASS:
3139 case MONO_TYPE_OBJECT:
3140 klass = t->data.klass;
3142 csig->params [argnum] = &mono_defaults.int_class->byval_arg;
3143 tmp_locals [i] = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
3145 if (klass->delegate) {
3146 g_assert (!t->byref);
3147 mono_mb_emit_ldarg (mb, argnum);
3148 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3149 mono_mb_emit_byte (mb, CEE_MONO_FUNC1);
3150 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_DEL_FTN);
3151 mono_mb_emit_stloc (mb, tmp_locals [i]);
3152 } else if (klass == mono_defaults.stringbuilder_class) {
3153 g_assert (!t->byref);
3154 mono_mb_emit_ldarg (mb, argnum);
3155 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3156 mono_mb_emit_byte (mb, CEE_MONO_FUNC1);
3159 switch (spec->native) {
3160 case MONO_NATIVE_LPWSTR:
3161 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_SB_LPWSTR);
3163 case MONO_NATIVE_LPSTR:
3164 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_SB_LPSTR);
3167 char *msg = g_strdup_printf ("stringbuilder marshalling conversion %d not implemented", spec->native);
3168 MonoException *exc = mono_get_exception_not_implemented (msg);
3171 mono_raise_exception (exc);
3175 switch (piinfo->piflags & PINVOKE_ATTRIBUTE_CHAR_SET_MASK) {
3176 case PINVOKE_ATTRIBUTE_CHAR_SET_ANSI:
3177 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_SB_LPSTR);
3179 case PINVOKE_ATTRIBUTE_CHAR_SET_UNICODE:
3180 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_SB_LPWSTR);
3182 case PINVOKE_ATTRIBUTE_CHAR_SET_AUTO:
3183 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_SB_LPTSTR);
3186 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_SB_LPSTR);
3191 mono_mb_emit_stloc (mb, tmp_locals [i]);
3193 mono_mb_emit_byte (mb, CEE_LDNULL);
3194 mono_mb_emit_stloc (mb, tmp_locals [i]);
3197 /* we dont need any conversions for out parameters */
3198 if (t->attrs & PARAM_ATTRIBUTE_OUT)
3201 mono_mb_emit_ldarg (mb, argnum);
3202 mono_mb_emit_byte (mb, CEE_LDIND_I);
3205 mono_mb_emit_ldarg (mb, argnum);
3206 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3207 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
3210 /* store the address of the source into local variable 0 */
3211 mono_mb_emit_byte (mb, CEE_STLOC_0);
3212 mono_mb_emit_byte (mb, CEE_LDLOC_0);
3213 mono_mb_emit_byte (mb, CEE_BRFALSE);
3215 mono_mb_emit_i4 (mb, 0);
3217 /* allocate space for the native struct and store the address */
3218 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
3219 mono_mb_emit_byte (mb, CEE_PREFIX1);
3220 mono_mb_emit_byte (mb, CEE_LOCALLOC);
3221 mono_mb_emit_stloc (mb, tmp_locals [i]);
3223 /* set the src_ptr */
3224 mono_mb_emit_byte (mb, CEE_LDLOC_0);
3225 mono_mb_emit_icon (mb, sizeof (MonoObject));
3226 mono_mb_emit_byte (mb, CEE_ADD);
3227 mono_mb_emit_byte (mb, CEE_STLOC_0);
3230 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3231 mono_mb_emit_byte (mb, CEE_STLOC_1);
3233 /* emit valuetype conversion code */
3234 emit_struct_conv (mb, klass, FALSE);
3236 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
3240 case MONO_TYPE_ARRAY:
3241 case MONO_TYPE_SZARRAY:
3245 klass = mono_class_from_mono_type (t);
3247 csig->params [argnum] = &mono_defaults.int_class->byval_arg;
3248 tmp_locals [i] = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
3250 if (klass->element_class == mono_defaults.string_class) {
3251 mono_mb_emit_ldarg (mb, argnum);
3252 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3253 mono_mb_emit_byte (mb, CEE_MONO_FUNC1);
3255 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_STRARRAY_STRLPARRAY);
3256 mono_mb_emit_stloc (mb, tmp_locals [i]);
3258 else if (klass->element_class->blittable) {
3259 mono_mb_emit_ldarg (mb, argnum);
3260 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3261 mono_mb_emit_byte (mb, CEE_MONO_FUNC1);
3263 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_ARRAY_LPARRAY);
3264 mono_mb_emit_stloc (mb, tmp_locals [i]);
3268 guint32 label1, label2, label3;
3269 int index_var, dest_ptr;
3271 dest_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
3274 mono_mb_emit_ldarg (mb, argnum);
3275 mono_mb_emit_stloc (mb, tmp_locals [i]);
3276 mono_mb_emit_ldarg (mb, argnum);
3277 mono_mb_emit_byte (mb, CEE_BRFALSE);
3279 mono_mb_emit_i4 (mb, 0);
3281 /* allocate space for the native struct and store the address */
3282 eklass = klass->element_class;
3283 mono_mb_emit_icon (mb, mono_class_native_size (eklass, NULL));
3284 mono_mb_emit_ldarg (mb, argnum);
3285 mono_mb_emit_byte (mb, CEE_LDLEN);
3286 mono_mb_emit_byte (mb, CEE_MUL);
3287 mono_mb_emit_byte (mb, CEE_PREFIX1);
3288 mono_mb_emit_byte (mb, CEE_LOCALLOC);
3289 mono_mb_emit_stloc (mb, tmp_locals [i]);
3291 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3292 mono_mb_emit_stloc (mb, dest_ptr);
3294 /* Emit marshalling loop */
3295 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
3296 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
3297 mono_mb_emit_stloc (mb, index_var);
3299 mono_mb_emit_ldloc (mb, index_var);
3300 mono_mb_emit_ldarg (mb, argnum);
3301 mono_mb_emit_byte (mb, CEE_LDLEN);
3302 mono_mb_emit_byte (mb, CEE_BGE);
3304 mono_mb_emit_i4 (mb, 0);
3306 /* Emit marshalling code */
3308 /* set the src_ptr */
3309 mono_mb_emit_ldarg (mb, argnum);
3310 mono_mb_emit_ldloc (mb, index_var);
3311 mono_mb_emit_byte (mb, CEE_LDELEMA);
3312 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, eklass));
3313 mono_mb_emit_byte (mb, CEE_STLOC_0);
3316 mono_mb_emit_ldloc (mb, dest_ptr);
3317 mono_mb_emit_byte (mb, CEE_STLOC_1);
3319 /* emit valuetype conversion code */
3320 emit_struct_conv (mb, eklass, FALSE);
3322 mono_mb_emit_add_to_local (mb, index_var, 1);
3323 mono_mb_emit_add_to_local (mb, dest_ptr, mono_class_native_size (eklass, NULL));
3325 mono_mb_emit_byte (mb, CEE_BR);
3326 mono_mb_emit_i4 (mb, label2 - (mb->pos + 4));
3328 mono_mb_patch_addr (mb, label1, mb->pos - (label1 + 4));
3329 mono_mb_patch_addr (mb, label3, mb->pos - (label3 + 4));
3333 case MONO_TYPE_BOOLEAN: {
3334 MonoType *local_type;
3335 int variant_bool = 0;
3339 local_type = &mono_defaults.int32_class->byval_arg;
3341 switch (spec->native) {
3342 case MONO_NATIVE_I1:
3343 local_type = &mono_defaults.byte_class->byval_arg;
3345 case MONO_NATIVE_VARIANTBOOL:
3346 local_type = &mono_defaults.int16_class->byval_arg;
3350 g_warning ("marshalling bool as native type %x is currently not supported", spec->native);
3354 csig->params [argnum] = &mono_defaults.int_class->byval_arg;
3355 tmp_locals [i] = mono_mb_add_local (mb, local_type);
3356 mono_mb_emit_ldarg (mb, argnum);
3357 mono_mb_emit_byte (mb, CEE_LDIND_I1);
3359 mono_mb_emit_byte (mb, CEE_NEG);
3360 mono_mb_emit_stloc (mb, tmp_locals [i]);
3366 /* push all arguments */
3369 mono_mb_emit_byte (mb, CEE_LDARG_0);
3371 for (i = 0; i < sig->param_count; i++) {
3372 MonoType *t = sig->params [i];
3374 argnum = i + sig->hasthis;
3377 case MONO_TYPE_BOOLEAN:
3379 g_assert (tmp_locals [i]);
3380 mono_mb_emit_ldloc_addr (mb, tmp_locals [i]);
3382 mono_mb_emit_ldarg (mb, argnum);
3397 mono_mb_emit_ldarg (mb, argnum);
3399 case MONO_TYPE_VALUETYPE:
3400 klass = sig->params [i]->data.klass;
3401 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
3402 klass->blittable || klass->enumtype) {
3403 mono_mb_emit_ldarg (mb, argnum);
3406 g_assert (tmp_locals [i]);
3407 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3409 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3410 mono_mb_emit_byte (mb, CEE_MONO_LDNATIVEOBJ);
3411 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
3414 case MONO_TYPE_STRING:
3415 case MONO_TYPE_CLASS:
3416 case MONO_TYPE_OBJECT:
3417 g_assert (tmp_locals [i]);
3419 mono_mb_emit_ldloc_addr (mb, tmp_locals [i]);
3421 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3423 case MONO_TYPE_CHAR:
3424 /* fixme: dont know how to marshal that. We cant simply
3425 * convert it to a one byte UTF8 character, because an
3426 * unicode character may need more that one byte in UTF8 */
3427 mono_mb_emit_ldarg (mb, argnum);
3429 case MONO_TYPE_ARRAY:
3430 case MONO_TYPE_SZARRAY:
3432 mono_mb_emit_ldarg (mb, argnum);
3434 g_assert (tmp_locals [i]);
3435 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3438 case MONO_TYPE_TYPEDBYREF:
3439 case MONO_TYPE_FNPTR:
3441 g_warning ("type 0x%02x unknown", t->type);
3442 g_assert_not_reached ();
3446 /* call the native method */
3447 mono_mb_emit_native_call (mb, csig, method->addr);
3449 /* Set LastError if needed */
3450 if (piinfo->piflags & PINVOKE_ATTRIBUTE_SUPPORTS_LAST_ERROR) {
3451 MonoMethodSignature *lasterr_sig;
3453 lasterr_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
3454 lasterr_sig->ret = &mono_defaults.void_class->byval_arg;
3455 lasterr_sig->pinvoke = 1;
3457 mono_mb_emit_native_call (mb, lasterr_sig, mono_marshal_set_last_error);
3460 /* convert the result */
3461 if (!sig->ret->byref) {
3462 MonoMarshalSpec *spec = mspecs [0];
3463 type = sig->ret->type;
3465 if (spec && spec->native == MONO_NATIVE_CUSTOM) {
3468 MonoMethod *marshal_native_to_managed;
3469 MonoMethod *get_instance;
3471 mtype = mono_reflection_type_from_name (spec->data.custom_data.custom_name, method->klass->image);
3472 g_assert (mtype != NULL);
3473 mklass = mono_class_from_mono_type (mtype);
3474 g_assert (mklass != NULL);
3476 marshal_native_to_managed = mono_find_method_by_name (mklass, "MarshalNativeToManaged", 1);
3477 g_assert (marshal_native_to_managed);
3478 get_instance = mono_find_method_by_name (mklass, "GetInstance", 1);
3479 g_assert (get_instance);
3482 case MONO_TYPE_CLASS:
3483 case MONO_TYPE_OBJECT:
3484 case MONO_TYPE_STRING:
3485 case MONO_TYPE_ARRAY:
3486 case MONO_TYPE_SZARRAY:
3487 case MONO_TYPE_VALUETYPE:
3488 if (type == MONO_TYPE_VALUETYPE) {
3489 /* load pointer to returned value type */
3490 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3491 mono_mb_emit_byte (mb, CEE_MONO_VTADDR);
3492 mono_mb_emit_byte (mb, CEE_STLOC_0);
3495 mono_mb_emit_byte (mb, CEE_STLOC_3);
3497 mono_mb_emit_ldstr (mb, spec->data.custom_data.cookie);
3499 mono_mb_emit_byte (mb, CEE_CALL);
3500 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, get_instance));
3502 if (type == MONO_TYPE_VALUETYPE)
3503 mono_mb_emit_byte (mb, CEE_LDLOC_0);
3505 mono_mb_emit_byte (mb, CEE_LDLOC_3);
3507 mono_mb_emit_byte (mb, CEE_CALLVIRT);
3508 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, marshal_native_to_managed));
3510 mono_mb_emit_byte (mb, CEE_STLOC_3);
3513 g_warning ("custom marshalling of type %x is currently not supported", type);
3514 g_assert_not_reached ();
3521 case MONO_TYPE_VOID:
3536 /* no conversions necessary */
3537 mono_mb_emit_byte (mb, CEE_STLOC_3);
3539 case MONO_TYPE_BOOLEAN:
3540 /* maybe we need to make sure that it fits within 8 bits */
3541 mono_mb_emit_byte (mb, CEE_STLOC_3);
3543 case MONO_TYPE_VALUETYPE:
3544 klass = sig->ret->data.klass;
3545 if (klass->enumtype) {
3546 type = sig->ret->data.klass->enum_basetype->type;
3550 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
3552 mono_mb_emit_byte (mb, CEE_STLOC_3);
3555 /* load pointer to returned value type */
3556 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3557 mono_mb_emit_byte (mb, CEE_MONO_VTADDR);
3558 /* store the address of the source into local variable 0 */
3559 mono_mb_emit_byte (mb, CEE_STLOC_0);
3561 mono_mb_emit_ldloc_addr (mb, 3);
3562 mono_mb_emit_byte (mb, CEE_STLOC_1);
3564 /* emit valuetype conversion code */
3565 emit_struct_conv (mb, sig->ret->data.klass, TRUE);
3567 case MONO_TYPE_STRING:
3568 #ifdef GTK_SHARP_FIXED
3569 mono_mb_emit_byte (mb, CEE_STLOC_0);
3570 mono_mb_emit_byte (mb, CEE_LDLOC_0);
3573 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3574 mono_mb_emit_byte (mb, CEE_MONO_FUNC1);
3576 switch (spec->native) {
3577 case MONO_NATIVE_LPWSTR:
3578 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_LPWSTR_STR);
3581 g_warning ("marshalling conversion not implemented");
3582 g_assert_not_reached ();
3585 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_LPSTR_STR);
3587 mono_mb_emit_byte (mb, CEE_STLOC_3);
3589 #ifdef GTK_SHARP_FIXED
3590 /* free the string */
3591 mono_mb_emit_byte (mb, CEE_LDLOC_0);
3592 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3593 mono_mb_emit_byte (mb, CEE_MONO_FREE);
3596 case MONO_TYPE_CLASS:
3597 case MONO_TYPE_OBJECT:
3598 klass = sig->ret->data.klass;
3601 mono_mb_emit_byte (mb, CEE_STLOC_0);
3603 mono_mb_emit_byte (mb, CEE_LDNULL);
3604 mono_mb_emit_byte (mb, CEE_STLOC_3);
3607 mono_mb_emit_byte (mb, CEE_LDLOC_0);
3608 mono_mb_emit_byte (mb, CEE_BRFALSE);
3610 mono_mb_emit_i4 (mb, 0);
3612 /* allocate result object */
3614 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3615 mono_mb_emit_byte (mb, CEE_MONO_NEWOBJ);
3616 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
3617 mono_mb_emit_byte (mb, CEE_STLOC_3);
3621 mono_mb_emit_byte (mb, CEE_LDLOC_3);
3622 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3623 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
3624 mono_mb_emit_icon (mb, sizeof (MonoObject));
3625 mono_mb_emit_byte (mb, CEE_ADD);
3626 mono_mb_emit_byte (mb, CEE_STLOC_1);
3628 /* emit conversion code */
3629 emit_struct_conv (mb, klass, TRUE);
3631 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
3633 case MONO_TYPE_ARRAY:
3634 case MONO_TYPE_SZARRAY:
3635 /* fixme: we need conversions here */
3636 mono_mb_emit_byte (mb, CEE_STLOC_3);
3638 case MONO_TYPE_CHAR:
3639 /* fixme: we need conversions here */
3640 mono_mb_emit_byte (mb, CEE_STLOC_3);
3642 case MONO_TYPE_TYPEDBYREF:
3643 case MONO_TYPE_FNPTR:
3645 g_warning ("return type 0x%02x unknown", sig->ret->type);
3646 g_assert_not_reached ();
3650 mono_mb_emit_byte (mb, CEE_STLOC_3);
3653 /* we need to convert byref arguments back and free string arrays */
3654 for (i = 0; i < sig->param_count; i++) {
3655 MonoType *t = sig->params [i];
3656 MonoMarshalSpec *spec = mspecs [i + 1];
3658 argnum = i + sig->hasthis;
3661 case MONO_TYPE_STRING:
3662 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT)) {
3663 mono_mb_emit_ldarg (mb, argnum);
3664 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3665 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3666 mono_mb_emit_byte (mb, CEE_MONO_FUNC1);
3667 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_LPSTR_STR);
3668 mono_mb_emit_byte (mb, CEE_STIND_I);
3670 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3671 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3672 mono_mb_emit_byte (mb, CEE_MONO_FREE);
3675 case MONO_TYPE_CLASS:
3676 case MONO_TYPE_OBJECT:
3677 if (t->data.klass == mono_defaults.stringbuilder_class) {
3678 g_assert (!t->byref);
3679 mono_mb_emit_ldarg (mb, argnum);
3680 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3681 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3682 mono_mb_emit_byte (mb, CEE_MONO_PROC2);
3685 switch (spec->native) {
3686 case MONO_NATIVE_LPWSTR:
3687 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_LPWSTR_SB);
3689 case MONO_NATIVE_LPSTR:
3690 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_LPSTR_SB);
3693 g_assert_not_reached ();
3696 switch (piinfo->piflags & PINVOKE_ATTRIBUTE_CHAR_SET_MASK) {
3697 case PINVOKE_ATTRIBUTE_CHAR_SET_ANSI:
3698 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_LPSTR_SB);
3700 case PINVOKE_ATTRIBUTE_CHAR_SET_UNICODE:
3701 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_LPWSTR_SB);
3703 case PINVOKE_ATTRIBUTE_CHAR_SET_AUTO:
3704 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_LPTSTR_SB);
3707 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_LPSTR_SB);
3712 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3713 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3714 mono_mb_emit_byte (mb, CEE_MONO_FREE);
3718 if (!(t->byref || (t->attrs & PARAM_ATTRIBUTE_OUT)))
3721 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT)) {
3722 /* allocate a new object new object */
3723 mono_mb_emit_ldarg (mb, argnum);
3724 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3725 mono_mb_emit_byte (mb, CEE_MONO_NEWOBJ);
3726 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
3727 mono_mb_emit_byte (mb, CEE_STIND_I);
3730 /* dst = *argument */
3731 mono_mb_emit_ldarg (mb, argnum);
3734 mono_mb_emit_byte (mb, CEE_LDIND_I);
3736 mono_mb_emit_byte (mb, CEE_STLOC_1);
3738 mono_mb_emit_byte (mb, CEE_LDLOC_1);
3739 mono_mb_emit_byte (mb, CEE_BRFALSE);
3741 mono_mb_emit_i4 (mb, 0);
3743 mono_mb_emit_byte (mb, CEE_LDLOC_1);
3744 mono_mb_emit_icon (mb, sizeof (MonoObject));
3745 mono_mb_emit_byte (mb, CEE_ADD);
3746 mono_mb_emit_byte (mb, CEE_STLOC_1);
3748 /* src = tmp_locals [i] */
3749 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3750 mono_mb_emit_byte (mb, CEE_STLOC_0);
3752 /* emit valuetype conversion code */
3753 emit_struct_conv (mb, klass, TRUE);
3755 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
3757 case MONO_TYPE_VALUETYPE:
3761 klass = t->data.klass;
3762 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
3763 klass->blittable || klass->enumtype)
3766 /* dst = argument */
3767 mono_mb_emit_ldarg (mb, argnum);
3768 mono_mb_emit_byte (mb, CEE_STLOC_1);
3770 mono_mb_emit_byte (mb, CEE_LDLOC_1);
3771 mono_mb_emit_byte (mb, CEE_BRFALSE);
3773 mono_mb_emit_i4 (mb, 0);
3775 /* src = tmp_locals [i] */
3776 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3777 mono_mb_emit_byte (mb, CEE_STLOC_0);
3779 /* emit valuetype conversion code */
3780 emit_struct_conv (mb, klass, TRUE);
3782 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
3784 case MONO_TYPE_SZARRAY:
3788 klass = mono_class_from_mono_type (t);
3790 if (klass->element_class == mono_defaults.string_class) {
3791 g_assert (tmp_locals [i]);
3793 mono_mb_emit_ldarg (mb, argnum);
3794 mono_mb_emit_byte (mb, CEE_BRFALSE);
3796 mono_mb_emit_i4 (mb, 0);
3798 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3799 mono_mb_emit_ldarg (mb, argnum);
3800 mono_mb_emit_byte (mb, CEE_LDLEN);
3801 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3802 mono_mb_emit_byte (mb, CEE_MONO_PROC2);
3803 mono_mb_emit_byte (mb, MONO_MARSHAL_FREE_ARRAY);
3805 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
3808 if (t->attrs & PARAM_ATTRIBUTE_OUT) {
3809 /* FIXME: Optimize blittable case */
3811 guint32 label1, label2, label3;
3812 int index_var, src_ptr;
3814 eklass = klass->element_class;
3815 src_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
3818 mono_mb_emit_ldarg (mb, argnum);
3819 mono_mb_emit_byte (mb, CEE_BRFALSE);
3821 mono_mb_emit_i4 (mb, 0);
3823 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3824 mono_mb_emit_stloc (mb, src_ptr);
3826 /* Emit marshalling loop */
3827 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
3828 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
3829 mono_mb_emit_stloc (mb, index_var);
3831 mono_mb_emit_ldloc (mb, index_var);
3832 mono_mb_emit_ldarg (mb, argnum);
3833 mono_mb_emit_byte (mb, CEE_LDLEN);
3834 mono_mb_emit_byte (mb, CEE_BGE);
3836 mono_mb_emit_i4 (mb, 0);
3838 /* Emit marshalling code */
3840 /* set the src_ptr */
3841 mono_mb_emit_ldloc (mb, src_ptr);
3842 mono_mb_emit_byte (mb, CEE_STLOC_0);
3845 mono_mb_emit_ldarg (mb, argnum);
3846 mono_mb_emit_ldloc (mb, index_var);
3847 mono_mb_emit_byte (mb, CEE_LDELEMA);
3848 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, eklass));
3849 mono_mb_emit_byte (mb, CEE_STLOC_1);
3851 /* emit valuetype conversion code */
3852 emit_struct_conv (mb, eklass, TRUE);
3854 mono_mb_emit_add_to_local (mb, index_var, 1);
3855 mono_mb_emit_add_to_local (mb, src_ptr, mono_class_native_size (eklass, NULL));
3857 mono_mb_emit_byte (mb, CEE_BR);
3858 mono_mb_emit_i4 (mb, label2 - (mb->pos + 4));
3860 mono_mb_patch_addr (mb, label1, mb->pos - (label1 + 4));
3861 mono_mb_patch_addr (mb, label3, mb->pos - (label3 + 4));
3864 case MONO_TYPE_BOOLEAN:
3867 mono_mb_emit_ldarg (mb, argnum);
3868 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3869 if (mspecs [i + 1] != NULL && mspecs [i + 1]->native == MONO_NATIVE_VARIANTBOOL)
3870 mono_mb_emit_byte (mb, CEE_NEG);
3871 mono_mb_emit_byte (mb, CEE_STIND_I1);
3875 if (!MONO_TYPE_IS_VOID(sig->ret))
3876 mono_mb_emit_byte (mb, CEE_LDLOC_3);
3878 mono_mb_emit_byte (mb, CEE_RET);
3880 csig = g_memdup (sig, sigsize);
3882 res = mono_mb_create_and_cache (cache, method,
3883 mb, csig, csig->param_count + 16);
3886 for (i = sig->param_count; i >= 0; i--)
3887 g_free (mspecs [i]);
3890 //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));
3896 * mono_marshal_get_struct_to_ptr:
3899 * generates IL code for StructureToPtr (object structure, IntPtr ptr, bool fDeleteOld)
3902 mono_marshal_get_struct_to_ptr (MonoClass *klass)
3904 MonoMethodBuilder *mb;
3905 static MonoMethod *stoptr = NULL;
3908 g_assert (klass != NULL);
3910 if (klass->str_to_ptr)
3911 return klass->str_to_ptr;
3914 stoptr = mono_find_method_by_name (mono_defaults.marshal_class, "StructureToPtr", 3);
3917 mb = mono_mb_new (klass, stoptr->name, MONO_WRAPPER_UNKNOWN);
3919 if (klass->blittable) {
3920 mono_mb_emit_byte (mb, CEE_LDARG_1);
3921 mono_mb_emit_byte (mb, CEE_LDARG_0);
3922 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
3923 mono_mb_emit_icon (mb, mono_class_value_size (klass, NULL));
3924 mono_mb_emit_byte (mb, CEE_PREFIX1);
3925 mono_mb_emit_byte (mb, CEE_CPBLK);
3928 /* allocate local 0 (pointer) src_ptr */
3929 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
3930 /* allocate local 1 (pointer) dst_ptr */
3931 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
3932 /* allocate local 2 (boolean) delete_old */
3933 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
3934 mono_mb_emit_byte (mb, CEE_LDARG_2);
3935 mono_mb_emit_byte (mb, CEE_STLOC_2);
3937 /* initialize src_ptr to point to the start of object data */
3938 mono_mb_emit_byte (mb, CEE_LDARG_0);
3939 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
3940 mono_mb_emit_byte (mb, CEE_STLOC_0);
3942 /* initialize dst_ptr */
3943 mono_mb_emit_byte (mb, CEE_LDARG_1);
3944 mono_mb_emit_byte (mb, CEE_STLOC_1);
3946 emit_struct_conv (mb, klass, FALSE);
3949 mono_mb_emit_byte (mb, CEE_RET);
3951 res = mono_mb_create_method (mb, stoptr->signature, 0);
3954 klass->str_to_ptr = res;
3959 * mono_marshal_get_ptr_to_struct:
3962 * generates IL code for PtrToStructure (IntPtr src, object structure)
3965 mono_marshal_get_ptr_to_struct (MonoClass *klass)
3967 MonoMethodBuilder *mb;
3968 static MonoMethod *ptostr = NULL;
3971 g_assert (klass != NULL);
3973 if (klass->ptr_to_str)
3974 return klass->ptr_to_str;
3977 ptostr = mono_find_method_by_name (mono_defaults.marshal_class, "PtrToStructure", 2);
3980 mb = mono_mb_new (klass, ptostr->name, MONO_WRAPPER_UNKNOWN);
3982 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) || klass->blittable) {
3983 mono_mb_emit_byte (mb, CEE_LDARG_1);
3984 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
3985 mono_mb_emit_byte (mb, CEE_LDARG_0);
3986 mono_mb_emit_icon (mb, mono_class_value_size (klass, NULL));
3987 mono_mb_emit_byte (mb, CEE_PREFIX1);
3988 mono_mb_emit_byte (mb, CEE_CPBLK);
3991 /* allocate local 0 (pointer) src_ptr */
3992 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
3993 /* allocate local 1 (pointer) dst_ptr */
3994 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
3996 /* initialize src_ptr to point to the start of object data */
3997 mono_mb_emit_byte (mb, CEE_LDARG_0);
3998 mono_mb_emit_byte (mb, CEE_STLOC_0);
4000 /* initialize dst_ptr */
4001 mono_mb_emit_byte (mb, CEE_LDARG_1);
4002 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
4003 mono_mb_emit_byte (mb, CEE_STLOC_1);
4005 emit_struct_conv (mb, klass, TRUE);
4008 mono_mb_emit_byte (mb, CEE_RET);
4010 res = mono_mb_create_method (mb, ptostr->signature, 0);
4013 klass->ptr_to_str = res;
4017 static MonoReflectionType *
4018 type_from_handle (MonoType *handle)
4020 MonoDomain *domain = mono_domain_get ();
4021 MonoClass *klass = mono_class_from_mono_type (handle);
4023 MONO_ARCH_SAVE_REGS;
4025 mono_class_init (klass);
4026 return mono_type_get_object (domain, handle);
4030 * generates IL code for the synchronized wrapper: the generated method
4031 * calls METHOD while locking 'this' or the parent type.
4034 mono_marshal_get_synchronized_wrapper (MonoMethod *method)
4036 static MonoMethodSignature *from_handle_sig = NULL;
4037 static MonoMethod *enter_method, *exit_method;
4038 MonoMethodSignature *sig;
4039 MonoExceptionClause *clause;
4040 MonoMethodHeader *header;
4041 MonoMethodBuilder *mb;
4044 int i, pos, this_local, ret_local;
4048 if (method->wrapper_type == MONO_WRAPPER_SYNCHRONIZED)
4051 cache = method->klass->image->synchronized_cache;
4052 if ((res = mono_marshal_find_in_cache (cache, method)))
4055 sig = method->signature;
4057 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_SYNCHRONIZED);
4060 if (!MONO_TYPE_IS_VOID (sig->ret))
4061 ret_local = mono_mb_add_local (mb, sig->ret);
4064 this_local = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4066 clause = g_new0 (MonoExceptionClause, 1);
4067 clause->flags = MONO_EXCEPTION_CLAUSE_FINALLY;
4069 if (!enter_method) {
4070 MonoMethodDesc *desc;
4072 desc = mono_method_desc_new ("Monitor:Enter", FALSE);
4073 enter_method = mono_method_desc_search_in_class (desc, mono_defaults.monitor_class);
4074 g_assert (enter_method);
4075 mono_method_desc_free (desc);
4076 desc = mono_method_desc_new ("Monitor:Exit", FALSE);
4077 exit_method = mono_method_desc_search_in_class (desc, mono_defaults.monitor_class);
4078 g_assert (exit_method);
4079 mono_method_desc_free (desc);
4082 * GetTypeFromHandle isn't called as a managed method because it has
4083 * a funky calling sequence, e.g. ldtoken+GetTypeFromHandle gets
4084 * transformed into something else by the JIT.
4086 from_handle_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
4087 from_handle_sig->params [0] = &mono_defaults.object_class->byval_arg;
4088 from_handle_sig->ret = &mono_defaults.object_class->byval_arg;
4091 /* Push this or the type object */
4092 if (method->flags & METHOD_ATTRIBUTE_STATIC) {
4093 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4094 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
4095 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, &method->klass->byval_arg));
4096 mono_mb_emit_native_call (mb, from_handle_sig, type_from_handle);
4099 mono_mb_emit_ldarg (mb, 0);
4100 mono_mb_emit_stloc (mb, this_local);
4102 /* Call Monitor::Enter() */
4103 mono_mb_emit_ldloc (mb, this_local);
4104 mono_mb_emit_managed_call (mb, enter_method, NULL);
4106 clause->try_offset = mb->pos;
4108 /* Call the method */
4110 mono_mb_emit_ldarg (mb, 0);
4111 for (i = 0; i < sig->param_count; i++)
4112 mono_mb_emit_ldarg (mb, i + (sig->hasthis == TRUE));
4113 mono_mb_emit_managed_call (mb, method, method->signature);
4114 if (!MONO_TYPE_IS_VOID (sig->ret))
4115 mono_mb_emit_stloc (mb, ret_local);
4117 mono_mb_emit_byte (mb, CEE_LEAVE);
4119 mono_mb_emit_i4 (mb, 0);
4121 clause->try_len = mb->pos - clause->try_offset;
4122 clause->handler_offset = mb->pos;
4124 /* Call Monitor::Exit() */
4125 mono_mb_emit_ldloc (mb, this_local);
4126 // mono_mb_emit_native_call (mb, exit_sig, mono_monitor_exit);
4127 mono_mb_emit_managed_call (mb, exit_method, NULL);
4128 mono_mb_emit_byte (mb, CEE_ENDFINALLY);
4130 clause->handler_len = mb->pos - clause->handler_offset;
4132 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
4133 if (!MONO_TYPE_IS_VOID (sig->ret))
4134 mono_mb_emit_ldloc (mb, ret_local);
4135 mono_mb_emit_byte (mb, CEE_RET);
4137 res = mono_mb_create_and_cache (cache, method,
4138 mb, sig, sig->param_count + 16);
4141 header = ((MonoMethodNormal *)res)->header;
4142 header->num_clauses = 1;
4143 header->clauses = clause;
4148 /* FIXME: on win32 we should probably use GlobalAlloc(). */
4150 mono_marshal_alloc (gpointer size)
4152 MONO_ARCH_SAVE_REGS;
4154 return g_try_malloc ((gulong)size);
4158 mono_marshal_free (gpointer ptr)
4160 MONO_ARCH_SAVE_REGS;
4166 mono_marshal_free_array (gpointer *ptr, int size)
4173 for (i = 0; i < size; i++)
4179 mono_marshal_realloc (gpointer ptr, gpointer size)
4181 MONO_ARCH_SAVE_REGS;
4183 return g_try_realloc (ptr, (gulong)size);
4187 mono_marshal_string_array (MonoArray *array)
4195 len = mono_array_length (array);
4197 result = g_malloc (sizeof (char *) * (len + 1));
4198 for (i = 0; i < len; ++i) {
4199 MonoString *s = (MonoString *)mono_array_get (array, gpointer, i);
4200 result [i] = s ? mono_string_to_utf8 (s): NULL;
4202 /* null terminate the array */
4209 * mono_marshal_set_last_error:
4211 * This function is invoked to set the last error value from a P/Invoke call
4212 * which has SetLastError set.
4215 mono_marshal_set_last_error (void)
4218 TlsSetValue (last_error_tls_id, (gpointer)GetLastError ());
4220 TlsSetValue (last_error_tls_id, (gpointer)errno);
4225 ves_icall_System_Runtime_InteropServices_Marshal_copy_to_unmanaged (MonoArray *src, gint32 start_index,
4226 gpointer dest, gint32 length)
4231 MONO_ARCH_SAVE_REGS;
4233 MONO_CHECK_ARG_NULL (src);
4234 MONO_CHECK_ARG_NULL (dest);
4236 g_assert (src->obj.vtable->klass->rank == 1);
4237 g_assert (start_index >= 0);
4238 g_assert (length >= 0);
4239 g_assert (start_index + length <= mono_array_length (src));
4241 element_size = mono_array_element_size (src->obj.vtable->klass);
4243 source_addr = mono_array_addr_with_size (src, element_size, start_index);
4245 memcpy (dest, source_addr, length * element_size);
4249 ves_icall_System_Runtime_InteropServices_Marshal_copy_from_unmanaged (gpointer src, gint32 start_index,
4250 MonoArray *dest, gint32 length)
4255 MONO_ARCH_SAVE_REGS;
4257 MONO_CHECK_ARG_NULL (src);
4258 MONO_CHECK_ARG_NULL (dest);
4260 g_assert (dest->obj.vtable->klass->rank == 1);
4261 g_assert (start_index >= 0);
4262 g_assert (length >= 0);
4263 g_assert (start_index + length <= mono_array_length (dest));
4265 element_size = mono_array_element_size (dest->obj.vtable->klass);
4267 dest_addr = mono_array_addr_with_size (dest, element_size, start_index);
4269 memcpy (dest_addr, src, length * element_size);
4272 #if NO_UNALIGNED_ACCESS
4273 #define RETURN_UNALIGNED(type, addr) \
4276 memcpy(&val, p + offset, sizeof(val)); \
4279 #define WRITE_UNALIGNED(type, addr, val) \
4280 memcpy(addr, &val, sizeof(type))
4282 #define RETURN_UNALIGNED(type, addr) \
4283 return *(type*)(p + offset);
4284 #define WRITE_UNALIGNED(type, addr, val) \
4285 (*(type *)(addr) = (val))
4289 ves_icall_System_Runtime_InteropServices_Marshal_ReadIntPtr (gpointer ptr, gint32 offset)
4293 MONO_ARCH_SAVE_REGS;
4295 RETURN_UNALIGNED(gpointer, p + offset);
4299 ves_icall_System_Runtime_InteropServices_Marshal_ReadByte (gpointer ptr, gint32 offset)
4303 MONO_ARCH_SAVE_REGS;
4305 return *(unsigned char*)(p + offset);
4309 ves_icall_System_Runtime_InteropServices_Marshal_ReadInt16 (gpointer ptr, gint32 offset)
4313 MONO_ARCH_SAVE_REGS;
4315 RETURN_UNALIGNED(gint16, p + offset);
4319 ves_icall_System_Runtime_InteropServices_Marshal_ReadInt32 (gpointer ptr, gint32 offset)
4323 MONO_ARCH_SAVE_REGS;
4325 RETURN_UNALIGNED(gint32, p + offset);
4329 ves_icall_System_Runtime_InteropServices_Marshal_ReadInt64 (gpointer ptr, gint32 offset)
4333 MONO_ARCH_SAVE_REGS;
4335 RETURN_UNALIGNED(gint64, p + offset);
4339 ves_icall_System_Runtime_InteropServices_Marshal_WriteByte (gpointer ptr, gint32 offset, unsigned char val)
4343 MONO_ARCH_SAVE_REGS;
4345 *(unsigned char*)(p + offset) = val;
4349 ves_icall_System_Runtime_InteropServices_Marshal_WriteIntPtr (gpointer ptr, gint32 offset, gpointer val)
4353 MONO_ARCH_SAVE_REGS;
4355 WRITE_UNALIGNED(gpointer, p + offset, val);
4359 ves_icall_System_Runtime_InteropServices_Marshal_WriteInt16 (gpointer ptr, gint32 offset, gint16 val)
4363 MONO_ARCH_SAVE_REGS;
4365 WRITE_UNALIGNED(gint16, p + offset, val);
4369 ves_icall_System_Runtime_InteropServices_Marshal_WriteInt32 (gpointer ptr, gint32 offset, gint32 val)
4373 MONO_ARCH_SAVE_REGS;
4375 WRITE_UNALIGNED(gint32, p + offset, val);
4379 ves_icall_System_Runtime_InteropServices_Marshal_WriteInt64 (gpointer ptr, gint32 offset, gint64 val)
4383 MONO_ARCH_SAVE_REGS;
4385 WRITE_UNALIGNED(gint64, p + offset, val);
4389 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringAnsi (char *ptr)
4391 MONO_ARCH_SAVE_REGS;
4393 return mono_string_new (mono_domain_get (), ptr);
4397 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringAnsi_len (char *ptr, gint32 len)
4399 MONO_ARCH_SAVE_REGS;
4401 return mono_string_new_len (mono_domain_get (), ptr, len);
4405 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringUni (guint16 *ptr)
4407 MonoDomain *domain = mono_domain_get ();
4411 MONO_ARCH_SAVE_REGS;
4416 return mono_string_new_utf16 (domain, ptr, len);
4420 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringUni_len (guint16 *ptr, gint32 len)
4422 MonoDomain *domain = mono_domain_get ();
4424 MONO_ARCH_SAVE_REGS;
4426 return mono_string_new_utf16 (domain, ptr, len);
4430 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringBSTR (gpointer ptr)
4432 MONO_ARCH_SAVE_REGS;
4434 g_warning ("PtrToStringBSTR not implemented");
4435 g_assert_not_reached ();
4441 ves_icall_System_Runtime_InteropServices_Marshal_GetLastWin32Error (void)
4443 MONO_ARCH_SAVE_REGS;
4445 return ((guint32)TlsGetValue (last_error_tls_id));
4449 ves_icall_System_Runtime_InteropServices_Marshal_SizeOf (MonoReflectionType *rtype)
4453 MONO_ARCH_SAVE_REGS;
4455 MONO_CHECK_ARG_NULL (rtype);
4457 klass = mono_class_from_mono_type (rtype->type);
4459 return mono_class_native_size (klass, NULL);
4463 ves_icall_System_Runtime_InteropServices_Marshal_StructureToPtr (MonoObject *obj, gpointer dst, MonoBoolean delete_old)
4468 MONO_ARCH_SAVE_REGS;
4470 MONO_CHECK_ARG_NULL (obj);
4471 MONO_CHECK_ARG_NULL (dst);
4473 method = mono_marshal_get_struct_to_ptr (obj->vtable->klass);
4477 pa [2] = &delete_old;
4479 mono_runtime_invoke (method, NULL, pa, NULL);
4483 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure (gpointer src, MonoObject *dst)
4488 MONO_ARCH_SAVE_REGS;
4490 MONO_CHECK_ARG_NULL (src);
4491 MONO_CHECK_ARG_NULL (dst);
4493 method = mono_marshal_get_ptr_to_struct (dst->vtable->klass);
4498 mono_runtime_invoke (method, NULL, pa, NULL);
4502 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure_type (gpointer src, MonoReflectionType *type)
4504 MonoDomain *domain = mono_domain_get ();
4507 MONO_ARCH_SAVE_REGS;
4509 MONO_CHECK_ARG_NULL (src);
4510 MONO_CHECK_ARG_NULL (type);
4512 res = mono_object_new (domain, mono_class_from_mono_type (type->type));
4514 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure (src, res);
4520 ves_icall_System_Runtime_InteropServices_Marshal_OffsetOf (MonoReflectionType *type, MonoString *field_name)
4522 MonoMarshalType *info;
4525 int i, match_index = -1;
4527 MONO_ARCH_SAVE_REGS;
4529 MONO_CHECK_ARG_NULL (type);
4530 MONO_CHECK_ARG_NULL (field_name);
4532 fname = mono_string_to_utf8 (field_name);
4533 klass = mono_class_from_mono_type (type->type);
4535 while(klass && match_index == -1) {
4536 for (i = 0; i < klass->field.count; ++i) {
4537 if (*fname == *klass->fields [i].name && strcmp (fname, klass->fields [i].name) == 0) {
4543 if(match_index == -1)
4544 klass = klass->parent;
4549 if(match_index == -1) {
4553 /* Get back original class instance */
4554 klass = mono_class_from_mono_type (type->type);
4556 tmp = g_strdup_printf ("Field passed in is not a marshaled member of the type %s", klass->name);
4557 exc = mono_get_exception_argument ("fieldName", tmp);
4560 mono_raise_exception ((MonoException*)exc);
4563 info = mono_marshal_load_type_info (klass);
4564 return info->fields [match_index].offset;
4568 ves_icall_System_Runtime_InteropServices_Marshal_StringToHGlobalAnsi (MonoString *string)
4570 MONO_ARCH_SAVE_REGS;
4572 return mono_string_to_utf8 (string);
4576 ves_icall_System_Runtime_InteropServices_Marshal_StringToHGlobalUni (MonoString *string)
4578 MONO_ARCH_SAVE_REGS;
4580 return g_memdup (mono_string_chars (string), mono_string_length (string)*2);
4584 mono_struct_delete_old (MonoClass *klass, char *ptr)
4586 MonoMarshalType *info;
4589 info = mono_marshal_load_type_info (klass);
4591 for (i = 0; i < info->num_fields; i++) {
4592 MonoMarshalNative ntype;
4593 MonoMarshalConv conv;
4594 MonoType *ftype = info->fields [i].field->type;
4597 if (ftype->attrs & FIELD_ATTRIBUTE_STATIC)
4600 ntype = mono_type_to_unmanaged (ftype, info->fields [i].mspec, TRUE,
4601 klass->unicode, &conv);
4603 cpos = ptr + info->fields [i].offset;
4606 case MONO_MARSHAL_CONV_NONE:
4607 if (MONO_TYPE_ISSTRUCT (ftype)) {
4608 mono_struct_delete_old (ftype->data.klass, cpos);
4612 case MONO_MARSHAL_CONV_STR_LPWSTR:
4613 case MONO_MARSHAL_CONV_STR_LPSTR:
4614 case MONO_MARSHAL_CONV_STR_LPTSTR:
4615 case MONO_MARSHAL_CONV_STR_BSTR:
4616 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
4617 case MONO_MARSHAL_CONV_STR_TBSTR:
4618 g_free (*(gpointer *)cpos);
4627 ves_icall_System_Runtime_InteropServices_Marshal_DestroyStructure (gpointer src, MonoReflectionType *type)
4631 MONO_ARCH_SAVE_REGS;
4633 MONO_CHECK_ARG_NULL (src);
4634 MONO_CHECK_ARG_NULL (type);
4636 klass = mono_class_from_mono_type (type->type);
4638 mono_struct_delete_old (klass, (char *)src);
4642 ves_icall_System_Runtime_InteropServices_Marshal_AllocCoTaskMem (int size)
4644 /* FIXME: Call AllocCoTaskMem under windows */
4645 MONO_ARCH_SAVE_REGS;
4647 return g_try_malloc ((gulong)size);
4651 ves_icall_System_Runtime_InteropServices_Marshal_FreeCoTaskMem (void *ptr)
4653 /* FIXME: Call FreeCoTaskMem under windows */
4654 MONO_ARCH_SAVE_REGS;
4660 mono_marshal_load_type_info (MonoClass* klass)
4662 int i, j, count = 0, native_size = 0;
4663 MonoMarshalType *info;
4666 g_assert (klass != NULL);
4668 if (klass->marshal_info)
4669 return klass->marshal_info;
4672 mono_class_init (klass);
4674 for (i = 0; i < klass->field.count; ++i) {
4675 if (klass->fields [i].type->attrs & FIELD_ATTRIBUTE_STATIC)
4677 if (mono_field_is_deleted (&klass->fields [i]))
4682 layout = klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK;
4684 klass->marshal_info = info = g_malloc0 (sizeof (MonoMarshalType) + sizeof (MonoMarshalField) * count);
4685 info->num_fields = count;
4687 /* Try to find a size for this type in metadata */
4688 mono_metadata_packing_from_typedef (klass->image, klass->type_token, NULL, &native_size);
4690 if (klass->parent) {
4691 int parent_size = mono_class_native_size (klass->parent, NULL);
4693 /* Add parent size to real size */
4694 native_size += parent_size;
4695 info->native_size = parent_size;
4698 for (j = i = 0; i < klass->field.count; ++i) {
4701 if (klass->fields [i].type->attrs & FIELD_ATTRIBUTE_STATIC)
4704 if (mono_field_is_deleted (&klass->fields [i]))
4706 if (klass->fields [i].type->attrs & FIELD_ATTRIBUTE_HAS_FIELD_MARSHAL)
4707 mono_metadata_field_info (klass->image, klass->field.first + i,
4708 NULL, NULL, &info->fields [j].mspec);
4710 info->fields [j].field = &klass->fields [i];
4712 if ((klass->field.count == 1) && (klass->instance_size == sizeof (MonoObject)) &&
4713 (strcmp (klass->fields [i].name, "$PRIVATE$") == 0)) {
4714 /* This field is a hack inserted by MCS to empty structures */
4719 case TYPE_ATTRIBUTE_AUTO_LAYOUT:
4720 case TYPE_ATTRIBUTE_SEQUENTIAL_LAYOUT:
4721 size = mono_marshal_type_size (klass->fields [i].type, info->fields [j].mspec,
4722 &align, TRUE, klass->unicode);
4723 align = klass->packing_size ? MIN (klass->packing_size, align): align;
4724 info->fields [j].offset = info->native_size;
4725 info->fields [j].offset += align - 1;
4726 info->fields [j].offset &= ~(align - 1);
4727 info->native_size = info->fields [j].offset + size;
4729 case TYPE_ATTRIBUTE_EXPLICIT_LAYOUT:
4731 info->fields [j].offset = klass->fields [i].offset - sizeof (MonoObject);
4732 info->native_size = klass->instance_size - sizeof (MonoObject);
4738 if(layout != TYPE_ATTRIBUTE_AUTO_LAYOUT) {
4739 info->native_size = MAX (native_size, info->native_size);
4742 if (info->native_size & (klass->min_align - 1)) {
4743 info->native_size += klass->min_align - 1;
4744 info->native_size &= ~(klass->min_align - 1);
4747 return klass->marshal_info;
4751 * mono_class_native_size:
4754 * Returns: the native size of an object instance (when marshaled
4755 * to unmanaged code)
4758 mono_class_native_size (MonoClass *klass, guint32 *align)
4761 if (!klass->marshal_info)
4762 mono_marshal_load_type_info (klass);
4765 *align = klass->min_align;
4767 return klass->marshal_info->native_size;
4771 * mono_type_native_stack_size:
4772 * @t: the type to return the size it uses on the stack
4774 * Returns: the number of bytes required to hold an instance of this
4775 * type on the native stack
4778 mono_type_native_stack_size (MonoType *t, gint *align)
4782 g_assert (t != NULL);
4793 case MONO_TYPE_BOOLEAN:
4794 case MONO_TYPE_CHAR:
4803 case MONO_TYPE_STRING:
4804 case MONO_TYPE_OBJECT:
4805 case MONO_TYPE_CLASS:
4806 case MONO_TYPE_SZARRAY:
4808 case MONO_TYPE_FNPTR:
4809 case MONO_TYPE_ARRAY:
4810 case MONO_TYPE_TYPEDBYREF:
4821 case MONO_TYPE_VALUETYPE: {
4824 if (t->data.klass->enumtype)
4825 return mono_type_native_stack_size (t->data.klass->enum_basetype, align);
4827 size = mono_class_native_size (t->data.klass, align);
4828 *align = *align + 3;
4838 g_error ("type 0x%02x unknown", t->type);
4843 /* __alignof__ returns the preferred alignment of values not the actual alignment used by
4844 the compiler so is wrong e.g. for Linux where doubles are aligned on a 4 byte boundary
4845 but __alignof__ returns 8 - using G_STRUCT_OFFSET works better */
4846 #define ALIGNMENT(type) G_STRUCT_OFFSET(struct { char c; type x; }, x)
4849 mono_marshal_type_size (MonoType *type, MonoMarshalSpec *mspec, gint32 *align,
4850 gboolean as_field, gboolean unicode)
4852 MonoMarshalNative native_type = mono_type_to_unmanaged (type, mspec, as_field, unicode, NULL);
4855 switch (native_type) {
4856 case MONO_NATIVE_BOOLEAN:
4859 case MONO_NATIVE_I1:
4860 case MONO_NATIVE_U1:
4863 case MONO_NATIVE_I2:
4864 case MONO_NATIVE_U2:
4865 case MONO_NATIVE_VARIANTBOOL:
4868 case MONO_NATIVE_I4:
4869 case MONO_NATIVE_U4:
4870 case MONO_NATIVE_ERROR:
4873 case MONO_NATIVE_I8:
4874 case MONO_NATIVE_U8:
4875 *align = ALIGNMENT(guint64);
4877 case MONO_NATIVE_R4:
4880 case MONO_NATIVE_R8:
4881 *align = ALIGNMENT(double);
4883 case MONO_NATIVE_INT:
4884 case MONO_NATIVE_UINT:
4885 case MONO_NATIVE_LPSTR:
4886 case MONO_NATIVE_LPWSTR:
4887 case MONO_NATIVE_LPTSTR:
4888 case MONO_NATIVE_BSTR:
4889 case MONO_NATIVE_ANSIBSTR:
4890 case MONO_NATIVE_TBSTR:
4891 case MONO_NATIVE_LPARRAY:
4892 case MONO_NATIVE_SAFEARRAY:
4893 case MONO_NATIVE_IUNKNOWN:
4894 case MONO_NATIVE_IDISPATCH:
4895 case MONO_NATIVE_INTERFACE:
4896 case MONO_NATIVE_ASANY:
4897 case MONO_NATIVE_FUNC:
4898 case MONO_NATIVE_LPSTRUCT:
4899 *align = ALIGNMENT(gpointer);
4900 return sizeof (gpointer);
4901 case MONO_NATIVE_STRUCT:
4902 klass = mono_class_from_mono_type (type);
4903 return mono_class_native_size (klass, align);
4904 case MONO_NATIVE_BYVALTSTR: {
4905 int esize = unicode ? 2: 1;
4908 return mspec->data.array_data.num_elem * esize;
4910 case MONO_NATIVE_BYVALARRAY: {
4912 klass = mono_class_from_mono_type (type);
4913 esize = mono_class_native_size (klass->element_class, align);
4915 return mspec->data.array_data.num_elem * esize;
4917 case MONO_NATIVE_CUSTOM:
4918 g_assert_not_reached ();
4920 case MONO_NATIVE_CURRENCY:
4921 case MONO_NATIVE_VBBYREFSTR:
4923 g_error ("native type %02x not implemented", native_type);
4926 g_assert_not_reached ();