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_builder_to_utf8 (MonoStringBuilder *sb)
186 GError *error = NULL;
192 res = g_utf16_to_utf8 (mono_string_chars (sb->str), sb->length, NULL, NULL, &error);
194 g_error_free (error);
195 mono_raise_exception (mono_get_exception_execution_engine ("Failed to convert StringBuilder from utf16 to utf8"));
202 mono_string_to_ansibstr (MonoString *string_obj)
204 g_error ("implement me");
209 mono_string_to_bstr (MonoString *string_obj)
211 g_error ("implement me");
216 mono_string_to_byvalstr (gpointer dst, MonoString *src, int size)
221 g_assert (dst != NULL);
224 memset (dst, 0, size);
229 s = mono_string_to_utf8 (src);
230 len = MIN (size, strlen (s));
231 memcpy (dst, s, len);
234 *((char *)dst + size - 1) = 0;
238 mono_string_to_byvalwstr (gpointer dst, MonoString *src, int size)
242 g_assert (dst != NULL);
246 memset (dst, 0, size);
250 len = MIN (size, (mono_string_length (src) * 2));
251 memcpy (dst, mono_string_chars (src), len);
253 *((char *)dst + size - 1) = 0;
254 *((char *)dst + size - 2) = 0;
258 mono_mb_free (MonoMethodBuilder *mb)
260 g_list_free (mb->locals_list);
265 mono_mb_new (MonoClass *klass, const char *name, MonoWrapperType type)
267 MonoMethodBuilder *mb;
270 g_assert (klass != NULL);
271 g_assert (name != NULL);
273 mb = g_new0 (MonoMethodBuilder, 1);
275 mb->method = m = (MonoMethod *)g_new0 (MonoMethodWrapper, 1);
278 m->name = g_strdup (name);
280 m->inline_count = -1;
281 m->wrapper_type = type;
284 mb->code = g_malloc (mb->code_size);
290 mono_mb_add_local (MonoMethodBuilder *mb, MonoType *type)
292 int res = mb->locals;
294 g_assert (mb != NULL);
295 g_assert (type != NULL);
297 mb->locals_list = g_list_append (mb->locals_list, type);
304 mono_mb_create_method (MonoMethodBuilder *mb, MonoMethodSignature *signature, int max_stack)
306 MonoMethodHeader *header;
310 g_assert (mb != NULL);
312 ((MonoMethodNormal *)mb->method)->header = header = (MonoMethodHeader *)
313 g_malloc0 (sizeof (MonoMethodHeader) + mb->locals * sizeof (MonoType *));
318 header->max_stack = max_stack;
320 for (i = 0, l = mb->locals_list; l; l = l->next, i++) {
321 header->locals [i] = (MonoType *)l->data;
324 mb->method->signature = signature;
325 header->code = mb->code;
326 header->code_size = mb->pos;
327 header->num_locals = mb->locals;
329 #ifdef DEBUG_RUNTIME_CODE
330 printf ("RUNTIME CODE FOR %s\n", mono_method_full_name (mb->method, TRUE));
331 printf ("%s\n", mono_disasm_code (&marshal_dh, mb->method, mb->code, mb->code + mb->pos));
338 mono_mb_add_data (MonoMethodBuilder *mb, gpointer data)
340 MonoMethodWrapper *mw;
342 g_assert (mb != NULL);
344 mw = (MonoMethodWrapper *)mb->method;
346 mw->data = g_list_append (mw->data, data);
348 return g_list_length (mw->data);
352 mono_mb_patch_addr (MonoMethodBuilder *mb, int pos, int value)
354 mb->code [pos] = value & 0xff;
355 mb->code [pos + 1] = (value >> 8) & 0xff;
356 mb->code [pos + 2] = (value >> 16) & 0xff;
357 mb->code [pos + 3] = (value >> 24) & 0xff;
361 mono_mb_patch_addr_s (MonoMethodBuilder *mb, int pos, gint8 value)
363 *((gint8 *)(&mb->code [pos])) = value;
367 mono_mb_emit_byte (MonoMethodBuilder *mb, guint8 op)
369 if (mb->pos >= mb->code_size) {
371 mb->code = g_realloc (mb->code, mb->code_size);
374 mb->code [mb->pos++] = op;
378 mono_mb_emit_ldflda (MonoMethodBuilder *mb, gint32 offset)
380 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
381 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
384 mono_mb_emit_icon (mb, offset);
385 mono_mb_emit_byte (mb, CEE_ADD);
390 mono_mb_emit_proxy_check (MonoMethodBuilder *mb, int branch_code)
393 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
394 mono_mb_emit_byte (mb, CEE_LDIND_I);
395 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoVTable, klass));
396 mono_mb_emit_byte (mb, CEE_ADD);
397 mono_mb_emit_byte (mb, CEE_LDIND_I);
398 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
399 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
400 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_defaults.transparent_proxy_class));
401 mono_mb_emit_byte (mb, branch_code);
403 mono_mb_emit_i4 (mb, 0);
408 mono_mb_emit_i4 (MonoMethodBuilder *mb, gint32 data)
410 if ((mb->pos + 4) >= mb->code_size) {
412 mb->code = g_realloc (mb->code, mb->code_size);
415 mono_mb_patch_addr (mb, mb->pos, data);
420 mono_mb_emit_i2 (MonoMethodBuilder *mb, gint16 data)
422 if ((mb->pos + 2) >= mb->code_size) {
424 mb->code = g_realloc (mb->code, mb->code_size);
427 mb->code [mb->pos] = data & 0xff;
428 mb->code [mb->pos + 1] = (data >> 8) & 0xff;
433 mono_mb_emit_ldstr (MonoMethodBuilder *mb, char *str)
435 mono_mb_emit_byte (mb, CEE_LDSTR);
436 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, str));
441 mono_mb_emit_ldarg (MonoMethodBuilder *mb, guint argnum)
444 mono_mb_emit_byte (mb, CEE_LDARG_0 + argnum);
445 } else if (argnum < 256) {
446 mono_mb_emit_byte (mb, CEE_LDARG_S);
447 mono_mb_emit_byte (mb, argnum);
449 mono_mb_emit_byte (mb, CEE_PREFIX1);
450 mono_mb_emit_byte (mb, CEE_LDARG);
451 mono_mb_emit_i2 (mb, argnum);
456 mono_mb_emit_ldarg_addr (MonoMethodBuilder *mb, guint argnum)
459 mono_mb_emit_byte (mb, CEE_LDARGA_S);
460 mono_mb_emit_byte (mb, argnum);
462 mono_mb_emit_byte (mb, CEE_PREFIX1);
463 mono_mb_emit_byte (mb, CEE_LDARGA);
464 mono_mb_emit_i2 (mb, argnum);
469 mono_mb_emit_ldloc_addr (MonoMethodBuilder *mb, guint locnum)
472 mono_mb_emit_byte (mb, CEE_LDLOCA_S);
473 mono_mb_emit_byte (mb, locnum);
475 mono_mb_emit_byte (mb, CEE_PREFIX1);
476 mono_mb_emit_byte (mb, CEE_LDLOCA);
477 mono_mb_emit_i2 (mb, locnum);
482 mono_mb_emit_ldloc (MonoMethodBuilder *mb, guint num)
485 mono_mb_emit_byte (mb, CEE_LDLOC_0 + num);
486 } else if (num < 256) {
487 mono_mb_emit_byte (mb, CEE_LDLOC_S);
488 mono_mb_emit_byte (mb, num);
490 mono_mb_emit_byte (mb, CEE_PREFIX1);
491 mono_mb_emit_byte (mb, CEE_LDLOC);
492 mono_mb_emit_i2 (mb, num);
497 mono_mb_emit_stloc (MonoMethodBuilder *mb, guint num)
500 mono_mb_emit_byte (mb, CEE_STLOC_0 + num);
501 } else if (num < 256) {
502 mono_mb_emit_byte (mb, CEE_STLOC_S);
503 mono_mb_emit_byte (mb, num);
505 mono_mb_emit_byte (mb, CEE_PREFIX1);
506 mono_mb_emit_byte (mb, CEE_STLOC);
507 mono_mb_emit_i2 (mb, num);
512 mono_mb_emit_icon (MonoMethodBuilder *mb, gint32 value)
514 if (value >= -1 && value < 8) {
515 mono_mb_emit_byte (mb, CEE_LDC_I4_0 + value);
516 } else if (value >= -128 && value <= 127) {
517 mono_mb_emit_byte (mb, CEE_LDC_I4_S);
518 mono_mb_emit_byte (mb, value);
520 mono_mb_emit_byte (mb, CEE_LDC_I4);
521 mono_mb_emit_i4 (mb, value);
526 mono_mb_emit_branch (MonoMethodBuilder *mb, guint8 op)
529 mono_mb_emit_byte (mb, op);
531 mono_mb_emit_i4 (mb, 0);
536 mono_mb_emit_managed_call (MonoMethodBuilder *mb, MonoMethod *method, MonoMethodSignature *opt_sig)
539 opt_sig = method->signature;
540 mono_mb_emit_byte (mb, CEE_PREFIX1);
541 mono_mb_emit_byte (mb, CEE_LDFTN);
542 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, method));
543 mono_mb_emit_byte (mb, CEE_CALLI);
544 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, opt_sig));
548 mono_mb_emit_native_call (MonoMethodBuilder *mb, MonoMethodSignature *sig, gpointer func)
550 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
551 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
552 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, func));
553 mono_mb_emit_byte (mb, CEE_CALLI);
554 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, sig));
558 mono_mb_emit_exception (MonoMethodBuilder *mb, const char *exc_name)
560 /* fixme: we need a better way to throw exception,
561 * supporting several exception types and messages */
562 MonoMethod *ctor = NULL;
564 MonoClass *mme = mono_class_from_name (mono_defaults.corlib, "System", exc_name);
566 mono_class_init (mme);
567 for (i = 0; i < mme->method.count; ++i) {
568 if (strcmp (mme->methods [i]->name, ".ctor") == 0 && mme->methods [i]->signature->param_count == 0) {
569 ctor = mme->methods [i];
574 mono_mb_emit_byte (mb, CEE_NEWOBJ);
575 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, ctor));
576 mono_mb_emit_byte (mb, CEE_THROW);
581 mono_mb_emit_add_to_local (MonoMethodBuilder *mb, guint16 local, gint32 incr)
583 mono_mb_emit_ldloc (mb, local);
584 mono_mb_emit_icon (mb, incr);
585 mono_mb_emit_byte (mb, CEE_ADD);
586 mono_mb_emit_stloc (mb, local);
590 emit_ptr_to_str_conv (MonoMethodBuilder *mb, MonoType *type, MonoMarshalConv conv,
591 int usize, int msize, MonoMarshalSpec *mspec)
594 case MONO_MARSHAL_CONV_BOOL_I4:
595 mono_mb_emit_byte (mb, CEE_LDLOC_1);
596 mono_mb_emit_byte (mb, CEE_LDLOC_0);
597 mono_mb_emit_byte (mb, CEE_LDIND_I4);
598 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
599 mono_mb_emit_byte (mb, 3);
600 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
601 mono_mb_emit_byte (mb, CEE_BR_S);
602 mono_mb_emit_byte (mb, 1);
603 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
604 mono_mb_emit_byte (mb, CEE_STIND_I1);
606 case MONO_MARSHAL_CONV_BOOL_VARIANTBOOL:
607 mono_mb_emit_byte (mb, CEE_LDLOC_1);
608 mono_mb_emit_byte (mb, CEE_LDLOC_0);
609 mono_mb_emit_byte (mb, CEE_LDIND_I2);
610 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
611 mono_mb_emit_byte (mb, 3);
612 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
613 mono_mb_emit_byte (mb, CEE_BR_S);
614 mono_mb_emit_byte (mb, 1);
615 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
616 mono_mb_emit_byte (mb, CEE_STIND_I1);
618 case MONO_MARSHAL_CONV_ARRAY_BYVALARRAY: {
622 if (type->type == MONO_TYPE_SZARRAY) {
623 eclass = type->data.klass;
625 g_assert_not_reached ();
628 if (eclass->valuetype)
629 esize = mono_class_instance_size (eclass) - sizeof (MonoObject);
631 esize = sizeof (gpointer);
633 /* create a new array */
634 mono_mb_emit_byte (mb, CEE_LDLOC_1);
635 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
636 mono_mb_emit_byte (mb, CEE_NEWARR);
637 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, eclass));
638 mono_mb_emit_byte (mb, CEE_STIND_I);
640 /* copy the elements */
641 mono_mb_emit_byte (mb, CEE_LDLOC_1);
642 mono_mb_emit_byte (mb, CEE_LDIND_I);
643 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArray, vector));
644 mono_mb_emit_byte (mb, CEE_ADD);
645 mono_mb_emit_byte (mb, CEE_LDLOC_0);
646 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem * esize);
647 mono_mb_emit_byte (mb, CEE_PREFIX1);
648 mono_mb_emit_byte (mb, CEE_CPBLK);
652 case MONO_MARSHAL_CONV_STR_BYVALSTR:
653 mono_mb_emit_byte (mb, CEE_LDLOC_1);
654 mono_mb_emit_byte (mb, CEE_LDLOC_0);
655 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
656 mono_mb_emit_byte (mb, CEE_MONO_FUNC1);
657 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_LPSTR_STR);
658 mono_mb_emit_byte (mb, CEE_STIND_I);
660 case MONO_MARSHAL_CONV_STR_LPTSTR:
661 case MONO_MARSHAL_CONV_STR_LPSTR:
662 mono_mb_emit_byte (mb, CEE_LDLOC_1);
663 mono_mb_emit_byte (mb, CEE_LDLOC_0);
664 mono_mb_emit_byte (mb, CEE_LDIND_I);
665 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
666 mono_mb_emit_byte (mb, CEE_MONO_FUNC1);
667 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_LPSTR_STR);
668 mono_mb_emit_byte (mb, CEE_STIND_I);
670 case MONO_MARSHAL_CONV_OBJECT_STRUCT: {
671 MonoClass *klass = mono_class_from_mono_type (type);
672 int src_var, dst_var;
674 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
675 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
677 /* *dst = new object */
678 mono_mb_emit_byte (mb, CEE_LDLOC_1);
679 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
680 mono_mb_emit_byte (mb, CEE_MONO_NEWOBJ);
681 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
682 mono_mb_emit_byte (mb, CEE_STIND_I);
684 /* save the old src pointer */
685 mono_mb_emit_byte (mb, CEE_LDLOC_0);
686 mono_mb_emit_stloc (mb, src_var);
687 /* save the old dst pointer */
688 mono_mb_emit_byte (mb, CEE_LDLOC_1);
689 mono_mb_emit_stloc (mb, dst_var);
691 /* dst = pointer to newly created object data */
692 mono_mb_emit_byte (mb, CEE_LDLOC_1);
693 mono_mb_emit_byte (mb, CEE_LDIND_I);
694 mono_mb_emit_icon (mb, sizeof (MonoObject));
695 mono_mb_emit_byte (mb, CEE_ADD);
696 mono_mb_emit_byte (mb, CEE_STLOC_1);
698 emit_struct_conv (mb, klass, TRUE);
700 /* restore the old src pointer */
701 mono_mb_emit_ldloc (mb, src_var);
702 mono_mb_emit_byte (mb, CEE_STLOC_0);
703 /* restore the old dst pointer */
704 mono_mb_emit_ldloc (mb, dst_var);
705 mono_mb_emit_byte (mb, CEE_STLOC_1);
708 case MONO_MARSHAL_CONV_DEL_FTN: {
709 // fixme: we never convert functions back to delegates, dont
710 // know if thats the correct behaviour
713 case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
714 g_error ("Structure field of type %s can't be marshalled as LPArray", mono_class_from_mono_type (type)->name);
716 case MONO_MARSHAL_CONV_STR_LPWSTR:
717 case MONO_MARSHAL_CONV_STR_BSTR:
718 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
719 case MONO_MARSHAL_CONV_STR_TBSTR:
720 case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
721 case MONO_MARSHAL_CONV_STR_BYVALWSTR:
723 g_warning ("marshaling conversion %d not implemented", conv);
724 g_assert_not_reached ();
729 emit_str_to_ptr_conv (MonoMethodBuilder *mb, MonoType *type, MonoMarshalConv conv, int usize, int msize,
730 MonoMarshalSpec *mspec)
735 case MONO_MARSHAL_CONV_BOOL_I4:
736 mono_mb_emit_byte (mb, CEE_LDLOC_1);
737 mono_mb_emit_byte (mb, CEE_LDLOC_0);
738 mono_mb_emit_byte (mb, CEE_LDIND_U1);
739 mono_mb_emit_byte (mb, CEE_STIND_I4);
741 case MONO_MARSHAL_CONV_BOOL_VARIANTBOOL:
742 mono_mb_emit_byte (mb, CEE_LDLOC_1);
743 mono_mb_emit_byte (mb, CEE_LDLOC_0);
744 mono_mb_emit_byte (mb, CEE_LDIND_U1);
745 mono_mb_emit_byte (mb, CEE_NEG);
746 mono_mb_emit_byte (mb, CEE_STIND_I2);
748 case MONO_MARSHAL_CONV_STR_LPWSTR:
749 case MONO_MARSHAL_CONV_STR_LPSTR:
750 case MONO_MARSHAL_CONV_STR_LPTSTR:
751 case MONO_MARSHAL_CONV_STR_BSTR:
752 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
753 case MONO_MARSHAL_CONV_STR_TBSTR:
754 /* free space if free == true */
755 mono_mb_emit_byte (mb, CEE_LDLOC_2);
756 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
757 mono_mb_emit_byte (mb, 4);
758 mono_mb_emit_byte (mb, CEE_LDLOC_1);
759 mono_mb_emit_byte (mb, CEE_LDIND_I);
760 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
761 mono_mb_emit_byte (mb, CEE_MONO_FREE);
763 mono_mb_emit_byte (mb, CEE_LDLOC_1);
764 mono_mb_emit_byte (mb, CEE_LDLOC_0);
765 mono_mb_emit_byte (mb, CEE_LDIND_I);
766 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
767 mono_mb_emit_byte (mb, CEE_MONO_FUNC1);
768 mono_mb_emit_byte (mb, conv);
769 mono_mb_emit_byte (mb, CEE_STIND_I);
771 case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
772 case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
773 case MONO_MARSHAL_CONV_DEL_FTN:
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_I);
777 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
778 mono_mb_emit_byte (mb, CEE_MONO_FUNC1);
779 mono_mb_emit_byte (mb, conv);
780 mono_mb_emit_byte (mb, CEE_STIND_I);
782 case MONO_MARSHAL_CONV_STR_BYVALSTR:
783 case MONO_MARSHAL_CONV_STR_BYVALWSTR: {
787 mono_mb_emit_byte (mb, CEE_LDLOC_1); /* dst */
788 mono_mb_emit_byte (mb, CEE_LDLOC_0);
789 mono_mb_emit_byte (mb, CEE_LDIND_I); /* src String */
790 mono_mb_emit_icon (mb, usize);
791 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
792 mono_mb_emit_byte (mb, CEE_MONO_PROC3);
793 mono_mb_emit_byte (mb, conv);
796 case MONO_MARSHAL_CONV_ARRAY_BYVALARRAY: {
800 if (type->type == MONO_TYPE_SZARRAY) {
801 eclass = type->data.klass;
803 g_assert_not_reached ();
806 if (eclass->valuetype)
807 esize = mono_class_native_size (eclass, NULL);
809 esize = sizeof (gpointer);
814 mono_mb_emit_byte (mb, CEE_LDLOC_0);
815 mono_mb_emit_byte (mb, CEE_LDIND_I);
816 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
818 mono_mb_emit_byte (mb, 0);
820 mono_mb_emit_byte (mb, CEE_LDLOC_1);
821 mono_mb_emit_byte (mb, CEE_LDLOC_0);
822 mono_mb_emit_byte (mb, CEE_LDIND_I);
823 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
824 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
825 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArray, vector));
826 mono_mb_emit_byte (mb, CEE_ADD);
827 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem * esize);
828 mono_mb_emit_byte (mb, CEE_PREFIX1);
829 mono_mb_emit_byte (mb, CEE_CPBLK);
830 mono_mb_patch_addr_s (mb, pos, mb->pos - pos - 1);
833 case MONO_MARSHAL_CONV_OBJECT_STRUCT: {
834 int src_var, dst_var;
836 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
837 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
839 mono_mb_emit_byte (mb, CEE_LDLOC_0);
840 mono_mb_emit_byte (mb, CEE_LDIND_I);
841 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
843 mono_mb_emit_byte (mb, 0);
845 /* save the old src pointer */
846 mono_mb_emit_byte (mb, CEE_LDLOC_0);
847 mono_mb_emit_stloc (mb, src_var);
848 /* save the old dst pointer */
849 mono_mb_emit_byte (mb, CEE_LDLOC_1);
850 mono_mb_emit_stloc (mb, dst_var);
852 /* src = pointer to object data */
853 mono_mb_emit_byte (mb, CEE_LDLOC_0);
854 mono_mb_emit_byte (mb, CEE_LDIND_I);
855 mono_mb_emit_icon (mb, sizeof (MonoObject));
856 mono_mb_emit_byte (mb, CEE_ADD);
857 mono_mb_emit_byte (mb, CEE_STLOC_0);
859 emit_struct_conv (mb, mono_class_from_mono_type (type), FALSE);
861 /* restore the old src pointer */
862 mono_mb_emit_ldloc (mb, src_var);
863 mono_mb_emit_byte (mb, CEE_STLOC_0);
864 /* restore the old dst pointer */
865 mono_mb_emit_ldloc (mb, dst_var);
866 mono_mb_emit_byte (mb, CEE_STLOC_1);
868 mono_mb_patch_addr_s (mb, pos, mb->pos - pos - 1);
872 char *msg = g_strdup_printf ("marshalling conversion %d not implemented", conv);
873 MonoException *exc = mono_get_exception_not_implemented (msg);
876 mono_raise_exception (exc);
882 emit_struct_conv (MonoMethodBuilder *mb, MonoClass *klass, gboolean to_object)
884 MonoMarshalType *info;
888 emit_struct_conv(mb, klass->parent, to_object);
890 info = mono_marshal_load_type_info (klass);
892 if (info->native_size == 0)
895 if (klass->blittable) {
896 mono_mb_emit_byte (mb, CEE_LDLOC_1);
897 mono_mb_emit_byte (mb, CEE_LDLOC_0);
898 mono_mb_emit_icon (mb, mono_class_value_size (klass, NULL));
899 mono_mb_emit_byte (mb, CEE_PREFIX1);
900 mono_mb_emit_byte (mb, CEE_CPBLK);
904 for (i = 0; i < info->num_fields; i++) {
905 MonoMarshalNative ntype;
906 MonoMarshalConv conv;
907 MonoType *ftype = info->fields [i].field->type;
910 gboolean last_field = i < (info->num_fields -1) ? 0 : 1;
912 if (ftype->attrs & FIELD_ATTRIBUTE_STATIC)
915 ntype = mono_type_to_unmanaged (ftype, info->fields [i].mspec, TRUE, klass->unicode, &conv);
918 msize = klass->instance_size - info->fields [i].field->offset;
919 usize = info->native_size - info->fields [i].offset;
921 msize = info->fields [i + 1].field->offset - info->fields [i].field->offset;
922 usize = info->fields [i + 1].offset - info->fields [i].offset;
924 g_assert ((msize >= 0) && (usize >= 0));
927 case MONO_MARSHAL_CONV_NONE: {
930 if (ftype->byref || ftype->type == MONO_TYPE_I ||
931 ftype->type == MONO_TYPE_U) {
932 mono_mb_emit_byte (mb, CEE_LDLOC_1);
933 mono_mb_emit_byte (mb, CEE_LDLOC_0);
934 mono_mb_emit_byte (mb, CEE_LDIND_I);
935 mono_mb_emit_byte (mb, CEE_STIND_I);
944 #if SIZEOF_VOID_P == 4
947 mono_mb_emit_byte (mb, CEE_LDLOC_1);
948 mono_mb_emit_byte (mb, CEE_LDLOC_0);
949 mono_mb_emit_byte (mb, CEE_LDIND_I4);
950 mono_mb_emit_byte (mb, CEE_STIND_I4);
954 case MONO_TYPE_BOOLEAN:
955 mono_mb_emit_byte (mb, CEE_LDLOC_1);
956 mono_mb_emit_byte (mb, CEE_LDLOC_0);
957 mono_mb_emit_byte (mb, CEE_LDIND_I1);
958 mono_mb_emit_byte (mb, CEE_STIND_I1);
963 mono_mb_emit_byte (mb, CEE_LDLOC_1);
964 mono_mb_emit_byte (mb, CEE_LDLOC_0);
965 mono_mb_emit_byte (mb, CEE_LDIND_I2);
966 mono_mb_emit_byte (mb, CEE_STIND_I2);
970 #if SIZEOF_VOID_P == 8
973 mono_mb_emit_byte (mb, CEE_LDLOC_1);
974 mono_mb_emit_byte (mb, CEE_LDLOC_0);
975 mono_mb_emit_byte (mb, CEE_LDIND_I8);
976 mono_mb_emit_byte (mb, CEE_STIND_I8);
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_R4);
982 mono_mb_emit_byte (mb, CEE_STIND_R4);
985 mono_mb_emit_byte (mb, CEE_LDLOC_1);
986 mono_mb_emit_byte (mb, CEE_LDLOC_0);
987 mono_mb_emit_byte (mb, CEE_LDIND_R8);
988 mono_mb_emit_byte (mb, CEE_STIND_R8);
990 case MONO_TYPE_VALUETYPE:
991 if (ftype->data.klass->enumtype) {
992 t = ftype->data.klass->enum_basetype->type;
995 emit_struct_conv (mb, ftype->data.klass, to_object);
998 g_warning ("marshaling type %02x not implemented", ftype->type);
999 g_assert_not_reached ();
1005 emit_ptr_to_str_conv (mb, ftype, conv, usize, msize, info->fields [i].mspec);
1007 emit_str_to_ptr_conv (mb, ftype, conv, usize, msize, info->fields [i].mspec);
1011 mono_mb_emit_add_to_local (mb, 0, usize);
1012 mono_mb_emit_add_to_local (mb, 1, msize);
1014 mono_mb_emit_add_to_local (mb, 0, msize);
1015 mono_mb_emit_add_to_local (mb, 1, usize);
1020 static MonoAsyncResult *
1021 mono_delegate_begin_invoke (MonoDelegate *delegate, gpointer *params)
1023 MonoMethodMessage *msg;
1024 MonoDelegate *async_callback;
1028 MonoMethod *method = NULL;
1031 g_assert (delegate);
1033 if (delegate->target && mono_object_class (delegate->target) == mono_defaults.transparent_proxy_class) {
1035 MonoTransparentProxy* tp = (MonoTransparentProxy *)delegate->target;
1036 if (!tp->klass->contextbound || tp->rp->context != (MonoObject *) mono_context_get ()) {
1038 // If the target is a proxy, make a direct call. Is proxy's work
1039 // to make the call asynchronous.
1041 MonoAsyncResult *ares;
1043 MonoArray *out_args;
1045 method = delegate->method_info->method;
1047 msg = mono_method_call_message_new (method, params, NULL, &async_callback, &state);
1048 handle = CreateEvent (NULL, TRUE, FALSE, NULL);
1049 ares = mono_async_result_new (mono_domain_get (), handle, state, handle);
1050 ares->async_delegate = (MonoObject *)async_callback;
1051 msg->async_result = ares;
1052 msg->call_type = CallType_BeginInvoke;
1054 mono_remoting_invoke ((MonoObject *)tp->rp, msg, &exc, &out_args);
1059 klass = delegate->object.vtable->klass;
1061 method = mono_get_delegate_invoke (klass);
1062 for (i = 0; i < klass->method.count; ++i) {
1063 if (klass->methods [i]->name[0] == 'B' &&
1064 !strcmp ("BeginInvoke", klass->methods [i]->name)) {
1065 method = klass->methods [i];
1070 g_assert (method != NULL);
1072 im = mono_get_delegate_invoke (method->klass);
1073 msg = mono_method_call_message_new (method, params, im, &async_callback, &state);
1075 return mono_thread_pool_add ((MonoObject *)delegate, msg, async_callback, state);
1079 mono_mb_emit_save_args (MonoMethodBuilder *mb, MonoMethodSignature *sig, gboolean save_this)
1081 int i, params_var, tmp_var;
1083 /* allocate local (pointer) *params[] */
1084 params_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1085 /* allocate local (pointer) tmp */
1086 tmp_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1088 /* alloate space on stack to store an array of pointers to the arguments */
1089 mono_mb_emit_icon (mb, sizeof (gpointer) * (sig->param_count + 1));
1090 mono_mb_emit_byte (mb, CEE_PREFIX1);
1091 mono_mb_emit_byte (mb, CEE_LOCALLOC);
1092 mono_mb_emit_stloc (mb, params_var);
1095 mono_mb_emit_ldloc (mb, params_var);
1096 mono_mb_emit_stloc (mb, tmp_var);
1098 if (save_this && sig->hasthis) {
1099 mono_mb_emit_ldloc (mb, tmp_var);
1100 mono_mb_emit_ldarg_addr (mb, 0);
1101 mono_mb_emit_byte (mb, CEE_STIND_I);
1102 /* tmp = tmp + sizeof (gpointer) */
1103 if (sig->param_count)
1104 mono_mb_emit_add_to_local (mb, tmp_var, sizeof (gpointer));
1108 for (i = 0; i < sig->param_count; i++) {
1109 mono_mb_emit_ldloc (mb, tmp_var);
1110 mono_mb_emit_ldarg_addr (mb, i + sig->hasthis);
1111 mono_mb_emit_byte (mb, CEE_STIND_I);
1112 /* tmp = tmp + sizeof (gpointer) */
1113 if (i < (sig->param_count - 1))
1114 mono_mb_emit_add_to_local (mb, tmp_var, sizeof (gpointer));
1121 mono_signature_to_name (MonoMethodSignature *sig, const char *prefix)
1125 GString *res = g_string_new ("");
1128 g_string_append (res, prefix);
1129 g_string_append_c (res, '_');
1132 mono_type_get_desc (res, sig->ret, FALSE);
1134 for (i = 0; i < sig->param_count; ++i) {
1135 g_string_append_c (res, '_');
1136 mono_type_get_desc (res, sig->params [i], FALSE);
1139 g_string_free (res, FALSE);
1143 static inline MonoMethod*
1144 mono_marshal_find_in_cache (GHashTable *cache, gpointer key)
1148 EnterCriticalSection (&marshal_mutex);
1149 res = g_hash_table_lookup (cache, key);
1150 LeaveCriticalSection (&marshal_mutex);
1154 /* Create the method from the builder and place it in the cache */
1155 static inline MonoMethod*
1156 mono_mb_create_and_cache (GHashTable *cache, gpointer key,
1157 MonoMethodBuilder *mb, MonoMethodSignature *sig,
1162 EnterCriticalSection (&marshal_mutex);
1163 res = g_hash_table_lookup (cache, key);
1165 /* This does not acquire any locks */
1166 res = mono_mb_create_method (mb, sig, max_stack);
1167 g_hash_table_insert (cache, key, res);
1168 mono_g_hash_table_insert (wrapper_hash, res, key);
1171 /* Somebody created it before us */
1173 LeaveCriticalSection (&marshal_mutex);
1179 mono_marshal_method_from_wrapper (MonoMethod *wrapper)
1183 if (wrapper->wrapper_type == MONO_WRAPPER_NONE)
1186 EnterCriticalSection (&marshal_mutex);
1187 res = mono_g_hash_table_lookup (wrapper_hash, wrapper);
1188 LeaveCriticalSection (&marshal_mutex);
1190 if (wrapper->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK)
1191 /* See mono_marshal_get_remoting_invoke_with_check */
1192 return (MonoMethod*)((char*)res - 1);
1198 mono_marshal_get_delegate_begin_invoke (MonoMethod *method)
1200 MonoMethodSignature *sig;
1201 static MonoMethodSignature *csig = NULL;
1202 MonoMethodBuilder *mb;
1208 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
1209 !strcmp (method->name, "BeginInvoke"));
1211 sig = method->signature;
1213 cache = method->klass->image->delegate_begin_invoke_cache;
1214 if ((res = mono_marshal_find_in_cache (cache, sig)))
1217 g_assert (sig->hasthis);
1220 int sigsize = sizeof (MonoMethodSignature) + 2 * sizeof (MonoType *);
1221 csig = g_malloc0 (sigsize);
1223 /* MonoAsyncResult * begin_invoke (MonoDelegate *delegate, gpointer params[]) */
1224 csig->param_count = 2;
1225 csig->ret = &mono_defaults.object_class->byval_arg;
1226 csig->params [0] = &mono_defaults.object_class->byval_arg;
1227 csig->params [1] = &mono_defaults.int_class->byval_arg;
1230 name = mono_signature_to_name (sig, "begin_invoke");
1231 mb = mono_mb_new (mono_defaults.multicastdelegate_class, name, MONO_WRAPPER_DELEGATE_BEGIN_INVOKE);
1234 mb->method->save_lmf = 1;
1236 params_var = mono_mb_emit_save_args (mb, sig, FALSE);
1238 mono_mb_emit_ldarg (mb, 0);
1239 mono_mb_emit_ldloc (mb, params_var);
1240 mono_mb_emit_native_call (mb, csig, mono_delegate_begin_invoke);
1241 mono_mb_emit_byte (mb, CEE_RET);
1243 res = mono_mb_create_and_cache (cache, sig, mb, sig, sig->param_count + 16);
1249 mono_delegate_end_invoke (MonoDelegate *delegate, gpointer *params)
1251 MonoDomain *domain = mono_domain_get ();
1252 MonoAsyncResult *ares;
1253 MonoMethod *method = NULL;
1254 MonoMethodSignature *sig;
1255 MonoMethodMessage *msg;
1256 MonoObject *res, *exc;
1257 MonoArray *out_args;
1261 g_assert (delegate);
1263 if (!delegate->method_info || !delegate->method_info->method)
1264 g_assert_not_reached ();
1266 klass = delegate->object.vtable->klass;
1268 for (i = 0; i < klass->method.count; ++i) {
1269 if (klass->methods [i]->name[0] == 'E' &&
1270 !strcmp ("EndInvoke", klass->methods [i]->name)) {
1271 method = klass->methods [i];
1276 g_assert (method != NULL);
1278 sig = method->signature;
1280 msg = mono_method_call_message_new (method, params, NULL, NULL, NULL);
1282 ares = mono_array_get (msg->args, gpointer, sig->param_count - 1);
1285 if (delegate->target && mono_object_class (delegate->target) == mono_defaults.transparent_proxy_class) {
1286 MonoTransparentProxy* tp = (MonoTransparentProxy *)delegate->target;
1287 msg = (MonoMethodMessage *)mono_object_new (domain, mono_defaults.mono_method_message_class);
1288 mono_message_init (domain, msg, delegate->method_info, NULL);
1289 msg->call_type = CallType_EndInvoke;
1290 msg->async_result = ares;
1291 res = mono_remoting_invoke ((MonoObject *)tp->rp, msg, &exc, &out_args);
1294 res = mono_thread_pool_finish (ares, &out_args, &exc);
1297 char *strace = mono_string_to_utf8 (((MonoException*)exc)->stack_trace);
1299 tmp = g_strdup_printf ("%s\nException Rethrown at:\n", strace);
1301 ((MonoException*)exc)->stack_trace = mono_string_new (domain, tmp);
1303 mono_raise_exception ((MonoException*)exc);
1306 mono_method_return_message_restore (method, params, out_args);
1311 mono_mb_emit_restore_result (MonoMethodBuilder *mb, MonoType *return_type)
1313 if (return_type->byref)
1314 return_type = &mono_defaults.int_class->byval_arg;
1315 else if (return_type->type == MONO_TYPE_VALUETYPE && return_type->data.klass->enumtype)
1316 return_type = return_type->data.klass->enum_basetype;
1318 switch (return_type->type) {
1319 case MONO_TYPE_VOID:
1320 g_assert_not_reached ();
1323 case MONO_TYPE_STRING:
1324 case MONO_TYPE_CLASS:
1325 case MONO_TYPE_OBJECT:
1326 case MONO_TYPE_ARRAY:
1327 case MONO_TYPE_SZARRAY:
1331 case MONO_TYPE_BOOLEAN:
1332 mono_mb_emit_byte (mb, CEE_UNBOX);
1333 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
1334 mono_mb_emit_byte (mb, CEE_LDIND_U1);
1337 mono_mb_emit_byte (mb, CEE_UNBOX);
1338 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
1339 mono_mb_emit_byte (mb, CEE_LDIND_I1);
1342 case MONO_TYPE_CHAR:
1343 mono_mb_emit_byte (mb, CEE_UNBOX);
1344 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
1345 mono_mb_emit_byte (mb, CEE_LDIND_U2);
1348 mono_mb_emit_byte (mb, CEE_UNBOX);
1349 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
1350 mono_mb_emit_byte (mb, CEE_LDIND_I2);
1354 mono_mb_emit_byte (mb, CEE_UNBOX);
1355 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
1356 mono_mb_emit_byte (mb, CEE_LDIND_I);
1359 mono_mb_emit_byte (mb, CEE_UNBOX);
1360 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
1361 mono_mb_emit_byte (mb, CEE_LDIND_I4);
1364 mono_mb_emit_byte (mb, CEE_UNBOX);
1365 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
1366 mono_mb_emit_byte (mb, CEE_LDIND_U4);
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_I8);
1375 mono_mb_emit_byte (mb, CEE_UNBOX);
1376 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
1377 mono_mb_emit_byte (mb, CEE_LDIND_R4);
1380 mono_mb_emit_byte (mb, CEE_UNBOX);
1381 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
1382 mono_mb_emit_byte (mb, CEE_LDIND_R8);
1384 case MONO_TYPE_VALUETYPE: {
1386 mono_mb_emit_byte (mb, CEE_UNBOX);
1387 class = mono_mb_add_data (mb, mono_class_from_mono_type (return_type));
1388 mono_mb_emit_i4 (mb, class);
1389 mono_mb_emit_byte (mb, CEE_LDOBJ);
1390 mono_mb_emit_i4 (mb, class);
1394 g_warning ("type 0x%x not handled", return_type->type);
1395 g_assert_not_reached ();
1398 mono_mb_emit_byte (mb, CEE_RET);
1402 mono_marshal_get_delegate_end_invoke (MonoMethod *method)
1404 MonoMethodSignature *sig;
1405 static MonoMethodSignature *csig = NULL;
1406 MonoMethodBuilder *mb;
1412 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
1413 !strcmp (method->name, "EndInvoke"));
1415 sig = method->signature;
1417 cache = method->klass->image->delegate_end_invoke_cache;
1418 if ((res = mono_marshal_find_in_cache (cache, sig)))
1421 g_assert (sig->hasthis);
1424 int sigsize = sizeof (MonoMethodSignature) + 2 * sizeof (MonoType *);
1425 csig = g_malloc0 (sigsize);
1427 /* MonoObject *end_invoke (MonoDelegate *delegate, gpointer params[]) */
1428 csig->param_count = 2;
1429 csig->ret = &mono_defaults.object_class->byval_arg;
1430 csig->params [0] = &mono_defaults.object_class->byval_arg;
1431 csig->params [1] = &mono_defaults.int_class->byval_arg;
1434 name = mono_signature_to_name (sig, "end_invoke");
1435 mb = mono_mb_new (mono_defaults.multicastdelegate_class, name, MONO_WRAPPER_DELEGATE_END_INVOKE);
1438 mb->method->save_lmf = 1;
1440 params_var = mono_mb_emit_save_args (mb, sig, FALSE);
1442 mono_mb_emit_ldarg (mb, 0);
1443 mono_mb_emit_ldloc (mb, params_var);
1444 mono_mb_emit_native_call (mb, csig, mono_delegate_end_invoke);
1446 if (sig->ret->type == MONO_TYPE_VOID) {
1447 mono_mb_emit_byte (mb, CEE_POP);
1448 mono_mb_emit_byte (mb, CEE_RET);
1450 mono_mb_emit_restore_result (mb, sig->ret);
1452 res = mono_mb_create_and_cache (cache, sig,
1453 mb, sig, sig->param_count + 16);
1460 mono_remoting_wrapper (MonoMethod *method, gpointer *params)
1462 MonoMethodMessage *msg;
1463 MonoTransparentProxy *this;
1464 MonoObject *res, *exc;
1465 MonoArray *out_args;
1467 this = *((MonoTransparentProxy **)params [0]);
1470 g_assert (((MonoObject *)this)->vtable->klass == mono_defaults.transparent_proxy_class);
1472 /* skip the this pointer */
1475 if (this->klass->contextbound && this->rp->context == (MonoObject *) mono_context_get ())
1478 MonoMethodSignature *sig = method->signature;
1479 int count = sig->param_count;
1480 gpointer* mparams = (gpointer*) alloca(count*sizeof(gpointer));
1482 for (i=0; i<count; i++) {
1483 MonoClass *class = mono_class_from_mono_type (sig->params [i]);
1484 if (class->valuetype) {
1485 if (sig->params [i]->byref)
1486 mparams[i] = *((gpointer *)params [i]);
1488 mparams[i] = params [i];
1490 mparams[i] = *((gpointer**)params [i]);
1494 return mono_runtime_invoke (method, this, mparams, NULL);
1497 msg = mono_method_call_message_new (method, params, NULL, NULL, NULL);
1499 res = mono_remoting_invoke ((MonoObject *)this->rp, msg, &exc, &out_args);
1502 mono_raise_exception ((MonoException *)exc);
1504 mono_method_return_message_restore (method, params, out_args);
1510 mono_marshal_get_remoting_invoke (MonoMethod *method)
1512 MonoMethodSignature *sig;
1513 static MonoMethodSignature *csig = NULL;
1514 MonoMethodBuilder *mb;
1521 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE)
1524 sig = method->signature;
1526 /* we cant remote methods without this pointer */
1530 cache = method->klass->image->remoting_invoke_cache;
1531 if ((res = mono_marshal_find_in_cache (cache, method)))
1535 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 2);
1536 csig->params [0] = &mono_defaults.int_class->byval_arg;
1537 csig->params [1] = &mono_defaults.int_class->byval_arg;
1538 csig->ret = &mono_defaults.object_class->byval_arg;
1542 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_REMOTING_INVOKE);
1543 mb->method->save_lmf = 1;
1545 params_var = mono_mb_emit_save_args (mb, sig, TRUE);
1547 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1548 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
1549 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, method));
1550 mono_mb_emit_ldloc (mb, params_var);
1551 mono_mb_emit_native_call (mb, csig, mono_remoting_wrapper);
1553 if (sig->ret->type == MONO_TYPE_VOID) {
1554 mono_mb_emit_byte (mb, CEE_POP);
1555 mono_mb_emit_byte (mb, CEE_RET);
1557 mono_mb_emit_restore_result (mb, sig->ret);
1560 res = mono_mb_create_and_cache (cache, method, mb, sig, sig->param_count + 16);
1567 mono_marshal_get_remoting_invoke_with_check (MonoMethod *method)
1569 MonoMethodSignature *sig;
1570 MonoMethodBuilder *mb;
1571 MonoMethod *res, *native;
1577 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK)
1580 sig = method->signature;
1582 /* we cant remote methods without this pointer */
1583 g_assert (sig->hasthis);
1585 cache = method->klass->image->remoting_invoke_cache;
1586 if ((res = mono_marshal_find_in_cache (cache, (char *)method + 1)))
1589 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK);
1591 mono_mb_emit_ldarg (mb, 0);
1592 pos = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
1594 native = mono_marshal_get_remoting_invoke (method);
1596 for (i = 0; i <= sig->param_count; i++)
1597 mono_mb_emit_ldarg (mb, i);
1599 mono_mb_emit_managed_call (mb, native, native->signature);
1600 mono_mb_emit_byte (mb, CEE_RET);
1602 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
1604 for (i = 0; i <= sig->param_count; i++)
1605 mono_mb_emit_ldarg (mb, i);
1607 mono_mb_emit_managed_call (mb, method, method->signature);
1608 mono_mb_emit_byte (mb, CEE_RET);
1610 res = mono_mb_create_and_cache (cache, (char*)method + 1,
1611 mb, sig, sig->param_count + 16);
1618 * the returned method invokes all methods in a multicast delegate
1621 mono_marshal_get_delegate_invoke (MonoMethod *method)
1623 MonoMethodSignature *sig, *static_sig;
1625 MonoMethodBuilder *mb;
1631 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
1632 !strcmp (method->name, "Invoke"));
1634 sig = method->signature;
1636 cache = method->klass->image->delegate_invoke_cache;
1637 if ((res = mono_marshal_find_in_cache (cache, sig)))
1640 sigsize = sizeof (MonoMethodSignature) + sig->param_count * sizeof (MonoType *);
1641 static_sig = g_memdup (sig, sigsize);
1642 static_sig->hasthis = 0;
1644 name = mono_signature_to_name (sig, "invoke");
1645 mb = mono_mb_new (mono_defaults.multicastdelegate_class, name, MONO_WRAPPER_DELEGATE_INVOKE);
1648 /* allocate local 0 (object) */
1649 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
1651 g_assert (sig->hasthis);
1655 * prev.Invoke( args .. );
1656 * return this.<target>( args .. );
1659 /* get this->prev */
1660 mono_mb_emit_ldarg (mb, 0);
1661 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoMulticastDelegate, prev));
1662 mono_mb_emit_byte (mb, CEE_LDIND_I );
1663 mono_mb_emit_stloc (mb, 0);
1665 /* if prev != null */
1666 mono_mb_emit_ldloc (mb, 0);
1667 mono_mb_emit_byte (mb, CEE_BRFALSE);
1670 mono_mb_emit_i4 (mb, 0);
1673 mono_mb_emit_ldloc (mb, 0);
1674 for (i = 0; i < sig->param_count; i++)
1675 mono_mb_emit_ldarg (mb, i + 1);
1676 mono_mb_emit_managed_call (mb, method, method->signature);
1677 if (sig->ret->type != MONO_TYPE_VOID)
1678 mono_mb_emit_byte (mb, CEE_POP);
1680 /* continued or prev == null */
1681 mono_mb_patch_addr (mb, pos0, mb->pos - (pos0 + 4));
1683 /* get this->target */
1684 mono_mb_emit_ldarg (mb, 0);
1685 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, target));
1686 mono_mb_emit_byte (mb, CEE_LDIND_I );
1687 mono_mb_emit_stloc (mb, 0);
1689 /* if target != null */
1690 mono_mb_emit_ldloc (mb, 0);
1691 mono_mb_emit_byte (mb, CEE_BRFALSE);
1693 mono_mb_emit_i4 (mb, 0);
1695 /* then call this->method_ptr nonstatic */
1696 mono_mb_emit_ldloc (mb, 0);
1697 for (i = 0; i < sig->param_count; ++i)
1698 mono_mb_emit_ldarg (mb, i + 1);
1699 mono_mb_emit_ldarg (mb, 0);
1700 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, method_ptr));
1701 mono_mb_emit_byte (mb, CEE_LDIND_I );
1702 mono_mb_emit_byte (mb, CEE_CALLI);
1703 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, sig));
1705 mono_mb_emit_byte (mb, CEE_BR);
1707 mono_mb_emit_i4 (mb, 0);
1709 /* else [target == null] call this->method_ptr static */
1710 mono_mb_patch_addr (mb, pos0, mb->pos - (pos0 + 4));
1712 for (i = 0; i < sig->param_count; ++i)
1713 mono_mb_emit_ldarg (mb, i + 1);
1714 mono_mb_emit_ldarg (mb, 0);
1715 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, method_ptr));
1716 mono_mb_emit_byte (mb, CEE_LDIND_I );
1717 mono_mb_emit_byte (mb, CEE_CALLI);
1718 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, static_sig));
1721 mono_mb_patch_addr (mb, pos1, mb->pos - (pos1 + 4));
1722 mono_mb_emit_byte (mb, CEE_RET);
1724 res = mono_mb_create_and_cache (cache, sig,
1725 mb, sig, sig->param_count + 16);
1732 * generates IL code for the runtime invoke function
1733 * MonoObject *runtime_invoke (MonoObject *this, void **params, MonoObject **exc)
1735 * we also catch exceptions if exc != null
1738 mono_marshal_get_runtime_invoke (MonoMethod *method)
1740 MonoMethodSignature *sig, *csig;
1741 MonoExceptionClause *clause;
1742 MonoMethodHeader *header;
1743 MonoMethodBuilder *mb;
1746 static MonoString *string_dummy = NULL;
1747 int i, pos, sigsize;
1751 cache = method->klass->image->runtime_invoke_cache;
1752 if ((res = mono_marshal_find_in_cache (cache, method)))
1755 /* to make it work with our special string constructors */
1757 string_dummy = mono_string_new_wrapper ("dummy");
1759 sig = method->signature;
1761 sigsize = sizeof (MonoMethodSignature) + 3 * sizeof (MonoType *);
1762 csig = g_malloc0 (sigsize);
1764 csig->param_count = 3;
1765 csig->ret = &mono_defaults.object_class->byval_arg;
1766 csig->params [0] = &mono_defaults.object_class->byval_arg;
1767 csig->params [1] = &mono_defaults.int_class->byval_arg;
1768 csig->params [2] = &mono_defaults.int_class->byval_arg;
1770 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_RUNTIME_INVOKE);
1772 /* allocate local 0 (object) tmp */
1773 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
1774 /* allocate local 1 (object) exc */
1775 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
1777 /* cond set *exc to null */
1778 mono_mb_emit_byte (mb, CEE_LDARG_2);
1779 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
1780 mono_mb_emit_byte (mb, 3);
1781 mono_mb_emit_byte (mb, CEE_LDARG_2);
1782 mono_mb_emit_byte (mb, CEE_LDNULL);
1783 mono_mb_emit_byte (mb, CEE_STIND_I);
1786 if (method->string_ctor) {
1787 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1788 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
1789 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, string_dummy));
1791 mono_mb_emit_ldarg (mb, 0);
1792 if (method->klass->valuetype) {
1793 mono_mb_emit_byte (mb, CEE_UNBOX);
1794 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, method->klass));
1799 for (i = 0; i < sig->param_count; i++) {
1800 MonoType *t = sig->params [i];
1803 mono_mb_emit_ldarg (mb, 1);
1805 mono_mb_emit_icon (mb, sizeof (gpointer) * i);
1806 mono_mb_emit_byte (mb, CEE_ADD);
1808 mono_mb_emit_byte (mb, CEE_LDIND_I);
1813 type = sig->params [i]->type;
1817 mono_mb_emit_byte (mb, CEE_LDIND_I1);
1819 case MONO_TYPE_BOOLEAN:
1821 mono_mb_emit_byte (mb, CEE_LDIND_U1);
1824 mono_mb_emit_byte (mb, CEE_LDIND_I2);
1827 case MONO_TYPE_CHAR:
1828 mono_mb_emit_byte (mb, CEE_LDIND_U2);
1832 mono_mb_emit_byte (mb, CEE_LDIND_I);
1835 mono_mb_emit_byte (mb, CEE_LDIND_I4);
1838 mono_mb_emit_byte (mb, CEE_LDIND_U4);
1841 mono_mb_emit_byte (mb, CEE_LDIND_R4);
1844 mono_mb_emit_byte (mb, CEE_LDIND_R8);
1848 mono_mb_emit_byte (mb, CEE_LDIND_I8);
1850 case MONO_TYPE_STRING:
1851 case MONO_TYPE_CLASS:
1852 case MONO_TYPE_ARRAY:
1854 case MONO_TYPE_SZARRAY:
1855 case MONO_TYPE_OBJECT:
1858 case MONO_TYPE_VALUETYPE:
1859 if (t->data.klass->enumtype) {
1860 type = t->data.klass->enum_basetype->type;
1863 mono_mb_emit_byte (mb, CEE_LDOBJ);
1864 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, t->data.klass));
1867 g_assert_not_reached ();
1871 if (method->string_ctor) {
1872 MonoMethodSignature *strsig;
1874 sigsize = sizeof (MonoMethodSignature) + sig->param_count * sizeof (MonoType *);
1875 strsig = g_memdup (sig, sigsize);
1876 strsig->ret = &mono_defaults.string_class->byval_arg;
1878 mono_mb_emit_managed_call (mb, method, strsig);
1880 mono_mb_emit_managed_call (mb, method, NULL);
1882 if (sig->ret->byref) {
1884 g_assert_not_reached ();
1888 switch (sig->ret->type) {
1889 case MONO_TYPE_VOID:
1890 if (!method->string_ctor)
1891 mono_mb_emit_byte (mb, CEE_LDNULL);
1893 case MONO_TYPE_BOOLEAN:
1894 case MONO_TYPE_CHAR:
1907 case MONO_TYPE_VALUETYPE:
1908 /* box value types */
1909 mono_mb_emit_byte (mb, CEE_BOX);
1910 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (sig->ret)));
1912 case MONO_TYPE_STRING:
1913 case MONO_TYPE_CLASS:
1914 case MONO_TYPE_ARRAY:
1915 case MONO_TYPE_SZARRAY:
1916 case MONO_TYPE_OBJECT:
1921 g_assert_not_reached ();
1924 mono_mb_emit_stloc (mb, 0);
1926 mono_mb_emit_byte (mb, CEE_LEAVE);
1928 mono_mb_emit_i4 (mb, 0);
1930 clause = g_new0 (MonoExceptionClause, 1);
1931 clause->flags = MONO_EXCEPTION_CLAUSE_FILTER;
1932 clause->try_len = mb->pos;
1935 clause->token_or_filter = mb->pos;
1937 mono_mb_emit_byte (mb, CEE_POP);
1938 mono_mb_emit_byte (mb, CEE_LDARG_2);
1939 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
1940 mono_mb_emit_byte (mb, CEE_PREFIX1);
1941 mono_mb_emit_byte (mb, CEE_CGT_UN);
1942 mono_mb_emit_byte (mb, CEE_PREFIX1);
1943 mono_mb_emit_byte (mb, CEE_ENDFILTER);
1945 clause->handler_offset = mb->pos;
1948 /* store exception */
1949 mono_mb_emit_stloc (mb, 1);
1951 mono_mb_emit_byte (mb, CEE_LDARG_2);
1952 mono_mb_emit_ldloc (mb, 1);
1953 mono_mb_emit_byte (mb, CEE_STIND_I);
1955 mono_mb_emit_byte (mb, CEE_LEAVE);
1956 mono_mb_emit_i4 (mb, 0);
1958 clause->handler_len = mb->pos - clause->handler_offset;
1961 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
1962 mono_mb_emit_ldloc (mb, 0);
1963 mono_mb_emit_byte (mb, CEE_RET);
1965 res = mono_mb_create_and_cache (cache, method,
1966 mb, csig, sig->param_count + 16);
1969 header = ((MonoMethodNormal *)res)->header;
1970 header->num_clauses = 1;
1971 header->clauses = clause;
1977 * generates IL code to call managed methods from unmanaged code
1980 mono_marshal_get_managed_wrapper (MonoMethod *method, MonoObject *this, MonoMarshalSpec **mspecs)
1982 MonoMethodSignature *sig, *csig;
1983 MonoMethodBuilder *mb;
1987 int i, pos, sigsize, *tmp_locals;
1988 static MonoMethodSignature *alloc_sig = NULL;
1991 g_assert (method != NULL);
1992 g_assert (!method->signature->pinvoke);
1994 cache = method->klass->image->managed_wrapper_cache;
1995 if (!this && (res = mono_marshal_find_in_cache (cache, method)))
1998 /* Under MS, the allocation should be done using CoTaskMemAlloc */
2000 alloc_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
2001 alloc_sig->params [0] = &mono_defaults.int_class->byval_arg;
2002 alloc_sig->ret = &mono_defaults.int_class->byval_arg;
2003 alloc_sig->pinvoke = 1;
2007 /* fime: howto free that memory ? */
2010 sig = method->signature;
2012 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_NATIVE_TO_MANAGED);
2014 /* allocate local 0 (pointer) src_ptr */
2015 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2016 /* allocate local 1 (pointer) dst_ptr */
2017 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2018 /* allocate local 2 (boolean) delete_old */
2019 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
2021 if (!MONO_TYPE_IS_VOID(sig->ret)) {
2022 /* allocate local 3 to store the return value */
2023 mono_mb_add_local (mb, sig->ret);
2026 mono_mb_emit_byte (mb, CEE_LDNULL);
2027 mono_mb_emit_byte (mb, CEE_STLOC_2);
2029 /* we copy the signature, so that we can modify it */
2030 sigsize = sizeof (MonoMethodSignature) + sig->param_count * sizeof (MonoType *);
2031 csig = g_memdup (sig, sigsize);
2035 #ifdef PLATFORM_WIN32
2037 * Under windows, delegates passed to native code must use the STDCALL
2038 * calling convention.
2040 csig->call_convention = MONO_CALL_STDCALL;
2043 /* fixme: howto handle this ? */
2047 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2048 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
2049 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, this));
2054 g_assert_not_reached ();
2059 /* we first do all conversions */
2060 tmp_locals = alloca (sizeof (int) * sig->param_count);
2061 for (i = 0; i < sig->param_count; i ++) {
2062 MonoType *t = sig->params [i];
2063 MonoMarshalSpec *spec = mspecs [i + 1];
2067 if (spec && spec->native == MONO_NATIVE_CUSTOM) {
2070 MonoMethod *marshal_native_to_managed;
2071 MonoMethod *get_instance;
2073 mtype = mono_reflection_type_from_name (spec->data.custom_data.custom_name, method->klass->image);
2074 g_assert (mtype != NULL);
2075 mklass = mono_class_from_mono_type (mtype);
2076 g_assert (mklass != NULL);
2078 marshal_native_to_managed = mono_find_method_by_name (mklass, "MarshalNativeToManaged", 1);
2079 g_assert (marshal_native_to_managed);
2080 get_instance = mono_find_method_by_name (mklass, "GetInstance", 1);
2081 g_assert (get_instance);
2084 case MONO_TYPE_CLASS:
2085 case MONO_TYPE_OBJECT:
2086 case MONO_TYPE_STRING:
2087 case MONO_TYPE_ARRAY:
2088 case MONO_TYPE_SZARRAY:
2092 tmp_locals [i] = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
2094 mono_mb_emit_ldstr (mb, spec->data.custom_data.cookie);
2096 mono_mb_emit_byte (mb, CEE_CALL);
2097 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, get_instance));
2099 mono_mb_emit_ldarg (mb, i);
2101 mono_mb_emit_byte (mb, CEE_CALLVIRT);
2102 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, marshal_native_to_managed));
2104 mono_mb_emit_stloc (mb, tmp_locals [i]);
2107 g_warning ("custom marshalling of type %x is currently not supported", t->type);
2108 g_assert_not_reached ();
2115 case MONO_TYPE_CLASS: {
2116 klass = t->data.klass;
2118 /* FIXME: Raise a MarshalDirectiveException here */
2119 g_assert ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) != TYPE_ATTRIBUTE_AUTO_LAYOUT);
2121 tmp_locals [i] = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2123 if (t->attrs & PARAM_ATTRIBUTE_OUT) {
2124 mono_mb_emit_byte (mb, CEE_LDNULL);
2125 mono_mb_emit_stloc (mb, tmp_locals [i]);
2130 mono_mb_emit_ldarg (mb, i);
2134 /* Check for NULL and raise an exception */
2135 mono_mb_emit_byte (mb, CEE_BRTRUE);
2137 mono_mb_emit_i4 (mb, 0);
2139 mono_mb_emit_exception (mb, "ArgumentNullException");
2141 mono_mb_patch_addr (mb, pos2, mb->pos - (pos2 + 4));
2142 mono_mb_emit_ldarg (mb, i);
2143 mono_mb_emit_byte (mb, CEE_LDIND_I);
2146 mono_mb_emit_byte (mb, CEE_STLOC_0);
2148 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
2149 mono_mb_emit_stloc (mb, tmp_locals [i]);
2151 mono_mb_emit_byte (mb, CEE_LDLOC_0);
2152 mono_mb_emit_byte (mb, CEE_BRFALSE);
2154 mono_mb_emit_i4 (mb, 0);
2156 /* Create and set dst */
2157 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2158 mono_mb_emit_byte (mb, CEE_MONO_NEWOBJ);
2159 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
2160 mono_mb_emit_stloc (mb, tmp_locals [i]);
2161 mono_mb_emit_ldloc (mb, tmp_locals [i]);
2162 mono_mb_emit_icon (mb, sizeof (MonoObject));
2163 mono_mb_emit_byte (mb, CEE_ADD);
2164 mono_mb_emit_byte (mb, CEE_STLOC_1);
2166 /* emit valuetype conversion code */
2167 emit_struct_conv (mb, klass, TRUE);
2169 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
2172 case MONO_TYPE_VALUETYPE:
2174 klass = sig->params [i]->data.klass;
2175 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
2176 klass->blittable || klass->enumtype)
2179 tmp_locals [i] = mono_mb_add_local (mb, &klass->byval_arg);
2182 mono_mb_emit_ldarg (mb, i);
2184 mono_mb_emit_ldarg_addr (mb, i);
2185 mono_mb_emit_byte (mb, CEE_STLOC_0);
2188 mono_mb_emit_byte (mb, CEE_LDLOC_0);
2189 mono_mb_emit_byte (mb, CEE_BRFALSE);
2191 mono_mb_emit_i4 (mb, 0);
2194 mono_mb_emit_ldloc_addr (mb, tmp_locals [i]);
2195 mono_mb_emit_byte (mb, CEE_STLOC_1);
2197 /* emit valuetype convnversion code code */
2198 emit_struct_conv (mb, klass, TRUE);
2201 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
2203 case MONO_TYPE_STRING:
2207 tmp_locals [i] = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
2208 csig->params [i] = &mono_defaults.int_class->byval_arg;
2210 mono_mb_emit_ldarg (mb, i);
2211 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2212 mono_mb_emit_byte (mb, CEE_MONO_FUNC1);
2213 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_LPSTR_STR);
2214 mono_mb_emit_stloc (mb, tmp_locals [i]);
2216 case MONO_TYPE_ARRAY:
2217 case MONO_TYPE_SZARRAY:
2221 klass = mono_class_from_mono_type (t);
2223 tmp_locals [i] = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
2224 csig->params [i] = &mono_defaults.int_class->byval_arg;
2226 g_warning ("array marshaling not implemented");
2227 g_assert_not_reached ();
2232 for (i = 0; i < sig->param_count; i++) {
2233 MonoType *t = sig->params [i];
2236 case MONO_TYPE_BOOLEAN:
2250 mono_mb_emit_ldarg (mb, i);
2252 case MONO_TYPE_STRING:
2254 mono_mb_emit_ldarg (mb, i);
2256 g_assert (tmp_locals [i]);
2257 mono_mb_emit_ldloc (mb, tmp_locals [i]);
2260 case MONO_TYPE_CLASS:
2262 mono_mb_emit_ldloc_addr (mb, tmp_locals [i]);
2264 mono_mb_emit_ldloc (mb, tmp_locals [i]);
2266 case MONO_TYPE_ARRAY:
2267 case MONO_TYPE_SZARRAY:
2268 case MONO_TYPE_OBJECT:
2270 mono_mb_emit_ldloc (mb, tmp_locals [i]);
2272 mono_mb_emit_ldarg (mb, i);
2274 case MONO_TYPE_VALUETYPE:
2275 klass = sig->params [i]->data.klass;
2276 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
2277 klass->blittable || klass->enumtype) {
2278 mono_mb_emit_ldarg (mb, i);
2282 g_assert (tmp_locals [i]);
2284 mono_mb_emit_ldloc_addr (mb, tmp_locals [i]);
2286 mono_mb_emit_ldloc (mb, tmp_locals [i]);
2289 g_warning ("type 0x%02x unknown", t->type);
2290 g_assert_not_reached ();
2294 mono_mb_emit_managed_call (mb, method, NULL);
2296 if (!sig->ret->byref) {
2297 switch (sig->ret->type) {
2298 case MONO_TYPE_VOID:
2300 case MONO_TYPE_BOOLEAN:
2314 case MONO_TYPE_OBJECT:
2315 mono_mb_emit_byte (mb, CEE_STLOC_3);
2317 case MONO_TYPE_STRING:
2318 csig->ret = &mono_defaults.int_class->byval_arg;
2320 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2321 mono_mb_emit_byte (mb, CEE_MONO_FUNC1);
2322 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_STR_LPSTR);
2323 mono_mb_emit_byte (mb, CEE_STLOC_3);
2325 case MONO_TYPE_VALUETYPE:
2326 klass = sig->ret->data.klass;
2327 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
2328 klass->blittable || klass->enumtype)
2331 /* load pointer to returned value type */
2332 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2333 mono_mb_emit_byte (mb, CEE_MONO_VTADDR);
2335 /* store the address of the source into local variable 0 */
2336 mono_mb_emit_byte (mb, CEE_STLOC_0);
2337 /* allocate space for the native struct and
2338 * store the address into dst_ptr */
2339 retobj_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2340 g_assert (retobj_var);
2341 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
2342 mono_mb_emit_native_call (mb, alloc_sig, mono_marshal_alloc);
2343 mono_mb_emit_byte (mb, CEE_STLOC_1);
2344 mono_mb_emit_byte (mb, CEE_LDLOC_1);
2345 mono_mb_emit_stloc (mb, retobj_var);
2347 /* emit valuetype conversion code */
2348 emit_struct_conv (mb, klass, FALSE);
2350 case MONO_TYPE_CLASS: {
2353 klass = sig->ret->data.klass;
2355 /* FIXME: Raise a MarshalDirectiveException here */
2356 g_assert ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) != TYPE_ATTRIBUTE_AUTO_LAYOUT);
2358 mono_mb_emit_byte (mb, CEE_STLOC_0);
2359 /* Check for null */
2360 mono_mb_emit_byte (mb, CEE_LDLOC_0);
2361 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
2362 mono_mb_emit_byte (mb, CEE_LDNULL);
2363 mono_mb_emit_byte (mb, CEE_STLOC_3);
2364 pos2 = mono_mb_emit_branch (mb, CEE_BR);
2366 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
2369 mono_mb_emit_byte (mb, CEE_LDLOC_0);
2370 mono_mb_emit_icon (mb, sizeof (MonoObject));
2371 mono_mb_emit_byte (mb, CEE_ADD);
2372 mono_mb_emit_byte (mb, CEE_STLOC_0);
2374 /* Allocate and set dest */
2375 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
2376 mono_mb_emit_native_call (mb, alloc_sig, mono_marshal_alloc);
2377 mono_mb_emit_byte (mb, CEE_DUP);
2378 mono_mb_emit_byte (mb, CEE_STLOC_1);
2379 mono_mb_emit_byte (mb, CEE_STLOC_3);
2381 emit_struct_conv (mb, klass, FALSE);
2383 mono_mb_patch_addr (mb, pos2, mb->pos - (pos2 + 4));
2387 g_warning ("return type 0x%02x unknown", sig->ret->type);
2388 g_assert_not_reached ();
2391 mono_mb_emit_byte (mb, CEE_STLOC_3);
2394 /* Convert byref arguments back */
2395 for (i = 0; i < sig->param_count; i ++) {
2396 MonoType *t = sig->params [i];
2402 case MONO_TYPE_CLASS: {
2405 klass = t->data.klass;
2407 /* Check for null */
2408 mono_mb_emit_ldloc (mb, tmp_locals [i]);
2409 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
2410 mono_mb_emit_ldarg (mb, i);
2411 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
2412 mono_mb_emit_byte (mb, CEE_STIND_I);
2413 pos2 = mono_mb_emit_branch (mb, CEE_BR);
2415 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
2418 mono_mb_emit_ldloc (mb, tmp_locals [i]);
2419 mono_mb_emit_icon (mb, sizeof (MonoObject));
2420 mono_mb_emit_byte (mb, CEE_ADD);
2421 mono_mb_emit_byte (mb, CEE_STLOC_0);
2423 /* Allocate and set dest */
2424 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
2425 mono_mb_emit_native_call (mb, alloc_sig, mono_marshal_alloc);
2426 mono_mb_emit_byte (mb, CEE_STLOC_1);
2428 /* Update argument pointer */
2429 mono_mb_emit_ldarg (mb, i);
2430 mono_mb_emit_byte (mb, CEE_LDLOC_1);
2431 mono_mb_emit_byte (mb, CEE_STIND_I);
2433 /* emit valuetype conversion code */
2434 emit_struct_conv (mb, klass, FALSE);
2436 mono_mb_patch_addr (mb, pos2, mb->pos - (pos2 + 4));
2443 mono_mb_emit_ldloc (mb, retobj_var);
2444 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2445 mono_mb_emit_byte (mb, CEE_MONO_RETOBJ);
2446 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
2449 if (!MONO_TYPE_IS_VOID(sig->ret))
2450 mono_mb_emit_byte (mb, CEE_LDLOC_3);
2451 mono_mb_emit_byte (mb, CEE_RET);
2455 res = mono_mb_create_and_cache (cache, method,
2456 mb, csig, sig->param_count + 16);
2458 res = mono_mb_create_method (mb, csig, sig->param_count + 16);
2461 //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));
2467 * mono_marshal_get_ldfld_wrapper:
2468 * @type: the type of the field
2470 * This method generates a function which can be use to load a field with type
2471 * @type from an object. The generated function has the following signature:
2472 * <@type> ldfld_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset)
2475 mono_marshal_get_ldfld_wrapper (MonoType *type)
2477 MonoMethodSignature *sig, *csig;
2478 MonoMethodBuilder *mb;
2481 static GHashTable *ldfld_hash = NULL;
2488 if (type->type == MONO_TYPE_SZARRAY) {
2489 klass = mono_defaults.array_class;
2490 } else if (type->type == MONO_TYPE_VALUETYPE) {
2491 klass = type->data.klass;
2492 if (klass->enumtype) {
2493 t = klass->enum_basetype->type;
2494 klass = mono_class_from_mono_type (klass->enum_basetype);
2496 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING ||
2497 t == MONO_TYPE_CLASS) {
2498 klass = mono_defaults.object_class;
2499 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
2500 klass = mono_defaults.int_class;
2502 klass = mono_class_from_mono_type (type);
2505 klass = mono_defaults.int_class;
2508 EnterCriticalSection (&marshal_mutex);
2510 ldfld_hash = g_hash_table_new (NULL, NULL);
2511 res = g_hash_table_lookup (ldfld_hash, klass);
2512 LeaveCriticalSection (&marshal_mutex);
2516 name = g_strdup_printf ("__ldfld_wrapper_%s.%s", klass->name_space, klass->name);
2517 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_LDFLD);
2520 mb->method->save_lmf = 1;
2522 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
2523 sig->params [0] = &mono_defaults.object_class->byval_arg;
2524 sig->params [1] = &mono_defaults.int_class->byval_arg;
2525 sig->params [2] = &mono_defaults.int_class->byval_arg;
2526 sig->params [3] = &mono_defaults.int_class->byval_arg;
2527 sig->ret = &klass->byval_arg;
2529 mono_mb_emit_ldarg (mb, 0);
2530 pos0 = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
2532 mono_mb_emit_ldarg (mb, 0);
2533 mono_mb_emit_ldarg (mb, 1);
2534 mono_mb_emit_ldarg (mb, 2);
2536 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
2537 csig->params [0] = &mono_defaults.object_class->byval_arg;
2538 csig->params [1] = &mono_defaults.int_class->byval_arg;
2539 csig->params [2] = &mono_defaults.int_class->byval_arg;
2540 csig->ret = &klass->this_arg;
2543 mono_mb_emit_native_call (mb, csig, mono_load_remote_field_new);
2545 if (klass->valuetype) {
2546 mono_mb_emit_byte (mb, CEE_UNBOX);
2547 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
2548 mono_mb_emit_byte (mb, CEE_BR);
2550 mono_mb_emit_i4 (mb, 0);
2552 mono_mb_emit_byte (mb, CEE_RET);
2556 mono_mb_patch_addr (mb, pos0, mb->pos - (pos0 + 4));
2558 mono_mb_emit_ldarg (mb, 0);
2559 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2560 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
2561 mono_mb_emit_ldarg (mb, 3);
2562 mono_mb_emit_byte (mb, CEE_ADD);
2564 if (klass->valuetype)
2565 mono_mb_patch_addr (mb, pos1, mb->pos - (pos1 + 4));
2570 case MONO_TYPE_BOOLEAN:
2571 mono_mb_emit_byte (mb, CEE_LDIND_I1);
2573 case MONO_TYPE_CHAR:
2576 mono_mb_emit_byte (mb, CEE_LDIND_I2);
2580 mono_mb_emit_byte (mb, CEE_LDIND_I4);
2584 mono_mb_emit_byte (mb, CEE_LDIND_I8);
2587 mono_mb_emit_byte (mb, CEE_LDIND_R4);
2590 mono_mb_emit_byte (mb, CEE_LDIND_R8);
2592 case MONO_TYPE_ARRAY:
2594 case MONO_TYPE_FNPTR:
2595 case MONO_TYPE_SZARRAY:
2596 case MONO_TYPE_OBJECT:
2597 case MONO_TYPE_CLASS:
2598 case MONO_TYPE_STRING:
2601 mono_mb_emit_byte (mb, CEE_LDIND_I);
2603 case MONO_TYPE_VALUETYPE:
2604 g_assert (!klass->enumtype);
2605 mono_mb_emit_byte (mb, CEE_LDOBJ);
2606 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
2609 g_warning ("type %x not implemented", type->type);
2610 g_assert_not_reached ();
2613 mono_mb_emit_byte (mb, CEE_RET);
2615 res = mono_mb_create_and_cache (ldfld_hash, klass,
2616 mb, sig, sig->param_count + 16);
2623 * mono_marshal_get_stfld_wrapper:
2624 * @type: the type of the field
2626 * This method generates a function which can be use to store a field with type
2627 * @type. The generated function has the following signature:
2628 * void stfld_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset, <@type> val)
2631 mono_marshal_get_stfld_wrapper (MonoType *type)
2633 MonoMethodSignature *sig, *csig;
2634 MonoMethodBuilder *mb;
2637 static GHashTable *stfld_hash = NULL;
2644 if (type->type == MONO_TYPE_SZARRAY) {
2645 klass = mono_defaults.array_class;
2646 } else if (type->type == MONO_TYPE_VALUETYPE) {
2647 klass = type->data.klass;
2648 if (klass->enumtype) {
2649 t = klass->enum_basetype->type;
2650 klass = mono_class_from_mono_type (klass->enum_basetype);
2652 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING ||
2653 t == MONO_TYPE_CLASS) {
2654 klass = mono_defaults.object_class;
2655 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
2656 klass = mono_defaults.int_class;
2658 klass = mono_class_from_mono_type (type);
2661 klass = mono_defaults.int_class;
2664 EnterCriticalSection (&marshal_mutex);
2666 stfld_hash = g_hash_table_new (NULL, NULL);
2667 res = g_hash_table_lookup (stfld_hash, klass);
2668 LeaveCriticalSection (&marshal_mutex);
2672 name = g_strdup_printf ("__stfld_wrapper_%s.%s", klass->name_space, klass->name);
2673 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_STFLD);
2676 mb->method->save_lmf = 1;
2678 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 5);
2679 sig->params [0] = &mono_defaults.object_class->byval_arg;
2680 sig->params [1] = &mono_defaults.int_class->byval_arg;
2681 sig->params [2] = &mono_defaults.int_class->byval_arg;
2682 sig->params [3] = &mono_defaults.int_class->byval_arg;
2683 sig->params [4] = &klass->byval_arg;
2684 sig->ret = &mono_defaults.void_class->byval_arg;
2686 mono_mb_emit_ldarg (mb, 0);
2687 pos = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
2689 mono_mb_emit_ldarg (mb, 0);
2690 mono_mb_emit_ldarg (mb, 1);
2691 mono_mb_emit_ldarg (mb, 2);
2692 mono_mb_emit_ldarg (mb, 4);
2694 if (klass->valuetype) {
2695 mono_mb_emit_byte (mb, CEE_BOX);
2696 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
2699 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
2700 csig->params [0] = &mono_defaults.object_class->byval_arg;
2701 csig->params [1] = &mono_defaults.int_class->byval_arg;
2702 csig->params [2] = &mono_defaults.int_class->byval_arg;
2703 csig->params [3] = &klass->this_arg;
2704 csig->ret = &mono_defaults.void_class->byval_arg;
2707 mono_mb_emit_native_call (mb, csig, mono_store_remote_field_new);
2709 mono_mb_emit_byte (mb, CEE_RET);
2711 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
2713 mono_mb_emit_ldarg (mb, 0);
2714 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2715 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
2716 mono_mb_emit_ldarg (mb, 3);
2717 mono_mb_emit_byte (mb, CEE_ADD);
2718 mono_mb_emit_ldarg (mb, 4);
2723 case MONO_TYPE_BOOLEAN:
2724 mono_mb_emit_byte (mb, CEE_STIND_I1);
2726 case MONO_TYPE_CHAR:
2729 mono_mb_emit_byte (mb, CEE_STIND_I2);
2733 mono_mb_emit_byte (mb, CEE_STIND_I4);
2737 mono_mb_emit_byte (mb, CEE_STIND_I8);
2740 mono_mb_emit_byte (mb, CEE_STIND_R4);
2743 mono_mb_emit_byte (mb, CEE_STIND_R8);
2745 case MONO_TYPE_ARRAY:
2747 case MONO_TYPE_FNPTR:
2748 case MONO_TYPE_SZARRAY:
2749 case MONO_TYPE_OBJECT:
2750 case MONO_TYPE_CLASS:
2751 case MONO_TYPE_STRING:
2754 mono_mb_emit_byte (mb, CEE_STIND_I);
2756 case MONO_TYPE_VALUETYPE:
2757 g_assert (!klass->enumtype);
2758 mono_mb_emit_byte (mb, CEE_STOBJ);
2759 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
2762 g_warning ("type %x not implemented", type->type);
2763 g_assert_not_reached ();
2766 mono_mb_emit_byte (mb, CEE_RET);
2768 res = mono_mb_create_and_cache (stfld_hash, klass,
2769 mb, sig, sig->param_count + 16);
2776 * generates IL code for the icall wrapper (the generated method
2777 * calls the unmanaged code in func)
2780 mono_marshal_get_icall_wrapper (MonoMethodSignature *sig, const char *name, gconstpointer func)
2782 MonoMethodSignature *csig;
2783 MonoMethodBuilder *mb;
2787 g_assert (sig->pinvoke);
2789 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_MANAGED_TO_NATIVE);
2791 mb->method->save_lmf = 1;
2793 /* we copy the signature, so that we can modify it */
2794 sigsize = sizeof (MonoMethodSignature) + sig->param_count * sizeof (MonoType *);
2797 mono_mb_emit_byte (mb, CEE_LDARG_0);
2799 for (i = 0; i < sig->param_count; i++)
2800 mono_mb_emit_ldarg (mb, i + sig->hasthis);
2802 mono_mb_emit_native_call (mb, sig, (gpointer) func);
2804 mono_mb_emit_byte (mb, CEE_RET);
2806 csig = g_memdup (sig, sigsize);
2809 res = mono_mb_create_method (mb, csig, csig->param_count + 16);
2816 * mono_marshal_get_native_wrapper:
2817 * @method: The MonoMethod to wrap.
2819 * generates IL code for the pinvoke wrapper (the generated method
2820 * calls the unmanaged code in method->addr)
2823 mono_marshal_get_native_wrapper (MonoMethod *method)
2825 MonoMethodSignature *sig, *csig;
2826 MonoMethodPInvoke *piinfo;
2827 MonoMethodBuilder *mb;
2828 MonoMarshalSpec **mspecs;
2832 gboolean pinvoke = FALSE;
2833 int i, pos, argnum, *tmp_locals;
2836 g_assert (method != NULL);
2837 g_assert (method->signature->pinvoke);
2839 cache = method->klass->image->native_wrapper_cache;
2840 if ((res = mono_marshal_find_in_cache (cache, method)))
2843 sig = method->signature;
2844 sigsize = sizeof (MonoMethodSignature) + sig->param_count * sizeof (MonoType *);
2846 if (!(method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
2847 (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL))
2850 if (!method->addr) {
2852 mono_lookup_pinvoke_call (method);
2854 method->addr = mono_lookup_internal_call (method);
2857 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_MANAGED_TO_NATIVE);
2859 mb->method->save_lmf = 1;
2861 piinfo = (MonoMethodPInvoke *)method;
2863 if (!method->addr) {
2864 mono_mb_emit_exception (mb, "MissingMethodException");
2865 csig = g_memdup (sig, sigsize);
2867 res = mono_mb_create_and_cache (cache, method,
2868 mb, csig, csig->param_count + 16);
2873 /* internal calls: we simply push all arguments and call the method (no conversions) */
2874 if (method->iflags & (METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL | METHOD_IMPL_ATTRIBUTE_RUNTIME)) {
2876 /* hack - string constructors returns a value */
2877 if (method->string_ctor) {
2878 csig = g_memdup (sig, sigsize);
2879 csig->ret = &mono_defaults.string_class->byval_arg;
2884 mono_mb_emit_byte (mb, CEE_LDARG_0);
2886 for (i = 0; i < sig->param_count; i++)
2887 mono_mb_emit_ldarg (mb, i + sig->hasthis);
2889 g_assert (method->addr);
2890 mono_mb_emit_native_call (mb, csig, method->addr);
2892 mono_mb_emit_byte (mb, CEE_RET);
2894 csig = g_memdup (csig, sigsize);
2896 res = mono_mb_create_and_cache (cache, method,
2897 mb, csig, csig->param_count + 16);
2904 mspecs = g_new (MonoMarshalSpec*, sig->param_count + 1);
2905 mono_method_get_marshal_info (method, mspecs);
2907 /* pinvoke: we need to convert the arguments if necessary */
2909 /* we copy the signature, so that we can set pinvoke to 0 */
2910 csig = g_memdup (sig, sigsize);
2913 /* we allocate local for use with emit_struct_conv() */
2914 /* allocate local 0 (pointer) src_ptr */
2915 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2916 /* allocate local 1 (pointer) dst_ptr */
2917 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2918 /* allocate local 2 (boolean) delete_old */
2919 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
2921 /* delete_old = FALSE */
2922 mono_mb_emit_icon (mb, 0);
2923 mono_mb_emit_byte (mb, CEE_STLOC_2);
2925 if (!MONO_TYPE_IS_VOID(sig->ret)) {
2926 /* allocate local 3 to store the return value */
2927 mono_mb_add_local (mb, sig->ret);
2930 /* we first do all conversions */
2931 tmp_locals = alloca (sizeof (int) * sig->param_count);
2933 for (i = 0; i < sig->param_count; i ++) {
2934 MonoType *t = sig->params [i];
2935 MonoMarshalSpec *spec = mspecs [i + 1];
2937 argnum = i + sig->hasthis;
2940 if (spec && spec->native == MONO_NATIVE_CUSTOM) {
2943 MonoMethod *marshal_managed_to_native;
2944 MonoMethod *get_instance;
2946 mtype = mono_reflection_type_from_name (spec->data.custom_data.custom_name, method->klass->image);
2947 g_assert (mtype != NULL);
2948 mklass = mono_class_from_mono_type (mtype);
2949 g_assert (mklass != NULL);
2951 marshal_managed_to_native = mono_find_method_by_name (mklass, "MarshalManagedToNative", 1);
2952 g_assert (marshal_managed_to_native);
2953 get_instance = mono_find_method_by_name (mklass, "GetInstance", 1);
2954 g_assert (get_instance);
2957 case MONO_TYPE_CLASS:
2958 case MONO_TYPE_OBJECT:
2959 case MONO_TYPE_STRING:
2960 case MONO_TYPE_ARRAY:
2961 case MONO_TYPE_SZARRAY:
2965 tmp_locals [i] = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2967 mono_mb_emit_ldstr (mb, spec->data.custom_data.cookie);
2969 mono_mb_emit_byte (mb, CEE_CALL);
2970 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, get_instance));
2972 mono_mb_emit_ldarg (mb, argnum);
2974 mono_mb_emit_byte (mb, CEE_CALLVIRT);
2975 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, marshal_managed_to_native));
2977 mono_mb_emit_stloc (mb, tmp_locals [i]);
2980 g_warning ("custom marshalling of type %x is currently not supported", t->type);
2981 g_assert_not_reached ();
2989 case MONO_TYPE_VALUETYPE:
2990 klass = t->data.klass;
2992 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
2993 klass->blittable || klass->enumtype)
2996 tmp_locals [i] = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2998 /* store the address of the source into local variable 0 */
3000 mono_mb_emit_ldarg (mb, argnum);
3002 mono_mb_emit_ldarg_addr (mb, argnum);
3004 mono_mb_emit_byte (mb, CEE_STLOC_0);
3006 /* allocate space for the native struct and
3007 * store the address into local variable 1 (dest) */
3008 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
3009 mono_mb_emit_byte (mb, CEE_PREFIX1);
3010 mono_mb_emit_byte (mb, CEE_LOCALLOC);
3011 mono_mb_emit_stloc (mb, tmp_locals [i]);
3014 mono_mb_emit_byte (mb, CEE_LDLOC_0);
3015 mono_mb_emit_byte (mb, CEE_BRFALSE);
3017 mono_mb_emit_i4 (mb, 0);
3021 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3022 mono_mb_emit_byte (mb, CEE_STLOC_1);
3024 /* emit valuetype conversion code */
3025 emit_struct_conv (mb, klass, FALSE);
3028 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
3030 case MONO_TYPE_STRING:
3031 csig->params [argnum] = &mono_defaults.int_class->byval_arg;
3032 tmp_locals [i] = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
3035 if (t->attrs & PARAM_ATTRIBUTE_OUT)
3038 mono_mb_emit_ldarg (mb, argnum);
3039 mono_mb_emit_byte (mb, CEE_LDIND_I);
3041 mono_mb_emit_ldarg (mb, argnum);
3044 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3045 mono_mb_emit_byte (mb, CEE_MONO_FUNC1);
3048 switch (spec->native) {
3049 case MONO_NATIVE_LPWSTR:
3050 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_STR_LPWSTR);
3052 case MONO_NATIVE_LPSTR:
3053 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_STR_LPSTR);
3056 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", spec);
3057 MonoException *exc = mono_get_exception_not_implemented (msg);
3060 mono_raise_exception (exc);
3064 switch (piinfo->piflags & PINVOKE_ATTRIBUTE_CHAR_SET_MASK) {
3065 case PINVOKE_ATTRIBUTE_CHAR_SET_ANSI:
3066 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_STR_LPSTR);
3068 case PINVOKE_ATTRIBUTE_CHAR_SET_UNICODE:
3069 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_STR_LPWSTR);
3071 case PINVOKE_ATTRIBUTE_CHAR_SET_AUTO:
3072 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_STR_LPTSTR);
3075 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_STR_LPSTR);
3080 mono_mb_emit_stloc (mb, tmp_locals [i]);
3082 case MONO_TYPE_CLASS:
3083 case MONO_TYPE_OBJECT:
3084 klass = t->data.klass;
3086 csig->params [argnum] = &mono_defaults.int_class->byval_arg;
3087 tmp_locals [i] = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
3089 if (klass->delegate) {
3090 g_assert (!t->byref);
3091 mono_mb_emit_ldarg (mb, argnum);
3092 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3093 mono_mb_emit_byte (mb, CEE_MONO_FUNC1);
3094 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_DEL_FTN);
3095 mono_mb_emit_stloc (mb, tmp_locals [i]);
3096 } else if (klass == mono_defaults.stringbuilder_class) {
3097 g_assert (!t->byref);
3098 mono_mb_emit_ldarg (mb, argnum);
3099 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3100 mono_mb_emit_byte (mb, CEE_MONO_FUNC1);
3101 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_SB_LPSTR);
3102 mono_mb_emit_stloc (mb, tmp_locals [i]);
3104 mono_mb_emit_byte (mb, CEE_LDNULL);
3105 mono_mb_emit_stloc (mb, tmp_locals [i]);
3108 /* we dont need any conversions for out parameters */
3109 if (t->attrs & PARAM_ATTRIBUTE_OUT)
3112 mono_mb_emit_ldarg (mb, argnum);
3113 mono_mb_emit_byte (mb, CEE_LDIND_I);
3116 mono_mb_emit_ldarg (mb, argnum);
3117 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3118 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
3121 /* store the address of the source into local variable 0 */
3122 mono_mb_emit_byte (mb, CEE_STLOC_0);
3123 mono_mb_emit_byte (mb, CEE_LDLOC_0);
3124 mono_mb_emit_byte (mb, CEE_BRFALSE);
3126 mono_mb_emit_i4 (mb, 0);
3128 /* allocate space for the native struct and store the address */
3129 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
3130 mono_mb_emit_byte (mb, CEE_PREFIX1);
3131 mono_mb_emit_byte (mb, CEE_LOCALLOC);
3132 mono_mb_emit_stloc (mb, tmp_locals [i]);
3134 /* set the src_ptr */
3135 mono_mb_emit_byte (mb, CEE_LDLOC_0);
3136 mono_mb_emit_icon (mb, sizeof (MonoObject));
3137 mono_mb_emit_byte (mb, CEE_ADD);
3138 mono_mb_emit_byte (mb, CEE_STLOC_0);
3141 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3142 mono_mb_emit_byte (mb, CEE_STLOC_1);
3144 /* emit valuetype conversion code */
3145 emit_struct_conv (mb, klass, FALSE);
3147 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
3151 case MONO_TYPE_ARRAY:
3152 case MONO_TYPE_SZARRAY:
3156 klass = mono_class_from_mono_type (t);
3158 csig->params [argnum] = &mono_defaults.int_class->byval_arg;
3159 tmp_locals [i] = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
3161 if (klass->element_class == mono_defaults.string_class) {
3162 mono_mb_emit_ldarg (mb, argnum);
3163 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3164 mono_mb_emit_byte (mb, CEE_MONO_FUNC1);
3166 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_STRARRAY_STRLPARRAY);
3167 mono_mb_emit_stloc (mb, tmp_locals [i]);
3169 else if (klass->element_class->blittable) {
3170 mono_mb_emit_ldarg (mb, argnum);
3171 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3172 mono_mb_emit_byte (mb, CEE_MONO_FUNC1);
3174 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_ARRAY_LPARRAY);
3175 mono_mb_emit_stloc (mb, tmp_locals [i]);
3179 guint32 label1, label2, label3;
3180 int index_var, dest_ptr;
3182 dest_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
3185 mono_mb_emit_ldarg (mb, argnum);
3186 mono_mb_emit_stloc (mb, tmp_locals [i]);
3187 mono_mb_emit_ldarg (mb, argnum);
3188 mono_mb_emit_byte (mb, CEE_BRFALSE);
3190 mono_mb_emit_i4 (mb, 0);
3192 /* allocate space for the native struct and store the address */
3193 eklass = klass->element_class;
3194 mono_mb_emit_icon (mb, mono_class_native_size (eklass, NULL));
3195 mono_mb_emit_ldarg (mb, argnum);
3196 mono_mb_emit_byte (mb, CEE_LDLEN);
3197 mono_mb_emit_byte (mb, CEE_MUL);
3198 mono_mb_emit_byte (mb, CEE_PREFIX1);
3199 mono_mb_emit_byte (mb, CEE_LOCALLOC);
3200 mono_mb_emit_stloc (mb, tmp_locals [i]);
3202 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3203 mono_mb_emit_stloc (mb, dest_ptr);
3205 /* Emit marshalling loop */
3206 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
3207 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
3208 mono_mb_emit_stloc (mb, index_var);
3210 mono_mb_emit_ldloc (mb, index_var);
3211 mono_mb_emit_ldarg (mb, argnum);
3212 mono_mb_emit_byte (mb, CEE_LDLEN);
3213 mono_mb_emit_byte (mb, CEE_BGE);
3215 mono_mb_emit_i4 (mb, 0);
3217 /* Emit marshalling code */
3219 /* set the src_ptr */
3220 mono_mb_emit_ldarg (mb, argnum);
3221 mono_mb_emit_ldloc (mb, index_var);
3222 mono_mb_emit_byte (mb, CEE_LDELEMA);
3223 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, eklass));
3224 mono_mb_emit_byte (mb, CEE_STLOC_0);
3227 mono_mb_emit_ldloc (mb, dest_ptr);
3228 mono_mb_emit_byte (mb, CEE_STLOC_1);
3230 /* emit valuetype conversion code */
3231 emit_struct_conv (mb, eklass, FALSE);
3233 mono_mb_emit_add_to_local (mb, index_var, 1);
3234 mono_mb_emit_add_to_local (mb, dest_ptr, mono_class_native_size (eklass, NULL));
3236 mono_mb_emit_byte (mb, CEE_BR);
3237 mono_mb_emit_i4 (mb, label2 - (mb->pos + 4));
3239 mono_mb_patch_addr (mb, label1, mb->pos - (label1 + 4));
3240 mono_mb_patch_addr (mb, label3, mb->pos - (label3 + 4));
3244 case MONO_TYPE_BOOLEAN: {
3245 MonoType *local_type;
3246 int variant_bool = 0;
3250 local_type = &mono_defaults.int32_class->byval_arg;
3252 switch (spec->native) {
3253 case MONO_NATIVE_I1:
3254 local_type = &mono_defaults.byte_class->byval_arg;
3256 case MONO_NATIVE_VARIANTBOOL:
3257 local_type = &mono_defaults.int16_class->byval_arg;
3261 g_warning ("marshalling bool as native type %x is currently not supported", spec->native);
3265 csig->params [argnum] = &mono_defaults.int_class->byval_arg;
3266 tmp_locals [i] = mono_mb_add_local (mb, local_type);
3267 mono_mb_emit_ldarg (mb, argnum);
3268 mono_mb_emit_byte (mb, CEE_LDIND_I1);
3270 mono_mb_emit_byte (mb, CEE_NEG);
3271 mono_mb_emit_stloc (mb, tmp_locals [i]);
3277 /* push all arguments */
3280 mono_mb_emit_byte (mb, CEE_LDARG_0);
3282 for (i = 0; i < sig->param_count; i++) {
3283 MonoType *t = sig->params [i];
3285 argnum = i + sig->hasthis;
3288 case MONO_TYPE_BOOLEAN:
3290 g_assert (tmp_locals [i]);
3291 mono_mb_emit_ldloc_addr (mb, tmp_locals [i]);
3293 mono_mb_emit_ldarg (mb, argnum);
3308 mono_mb_emit_ldarg (mb, argnum);
3310 case MONO_TYPE_VALUETYPE:
3311 klass = sig->params [i]->data.klass;
3312 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
3313 klass->blittable || klass->enumtype) {
3314 mono_mb_emit_ldarg (mb, argnum);
3317 g_assert (tmp_locals [i]);
3318 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3320 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3321 mono_mb_emit_byte (mb, CEE_MONO_LDNATIVEOBJ);
3322 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
3325 case MONO_TYPE_STRING:
3326 case MONO_TYPE_CLASS:
3327 case MONO_TYPE_OBJECT:
3328 g_assert (tmp_locals [i]);
3330 mono_mb_emit_ldloc_addr (mb, tmp_locals [i]);
3332 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3334 case MONO_TYPE_CHAR:
3335 /* fixme: dont know how to marshal that. We cant simply
3336 * convert it to a one byte UTF8 character, because an
3337 * unicode character may need more that one byte in UTF8 */
3338 mono_mb_emit_ldarg (mb, argnum);
3340 case MONO_TYPE_ARRAY:
3341 case MONO_TYPE_SZARRAY:
3343 mono_mb_emit_ldarg (mb, argnum);
3345 g_assert (tmp_locals [i]);
3346 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3349 case MONO_TYPE_TYPEDBYREF:
3350 case MONO_TYPE_FNPTR:
3352 g_warning ("type 0x%02x unknown", t->type);
3353 g_assert_not_reached ();
3357 /* call the native method */
3358 mono_mb_emit_native_call (mb, csig, method->addr);
3360 /* Set LastError if needed */
3361 if (piinfo->piflags & PINVOKE_ATTRIBUTE_SUPPORTS_LAST_ERROR) {
3362 MonoMethodSignature *lasterr_sig;
3364 lasterr_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
3365 lasterr_sig->ret = &mono_defaults.void_class->byval_arg;
3366 lasterr_sig->pinvoke = 1;
3368 mono_mb_emit_native_call (mb, lasterr_sig, mono_marshal_set_last_error);
3371 /* convert the result */
3372 if (!sig->ret->byref) {
3373 MonoMarshalSpec *spec = mspecs [0];
3374 type = sig->ret->type;
3376 if (spec && spec->native == MONO_NATIVE_CUSTOM) {
3379 MonoMethod *marshal_native_to_managed;
3380 MonoMethod *get_instance;
3382 mtype = mono_reflection_type_from_name (spec->data.custom_data.custom_name, method->klass->image);
3383 g_assert (mtype != NULL);
3384 mklass = mono_class_from_mono_type (mtype);
3385 g_assert (mklass != NULL);
3387 marshal_native_to_managed = mono_find_method_by_name (mklass, "MarshalNativeToManaged", 1);
3388 g_assert (marshal_native_to_managed);
3389 get_instance = mono_find_method_by_name (mklass, "GetInstance", 1);
3390 g_assert (get_instance);
3393 case MONO_TYPE_CLASS:
3394 case MONO_TYPE_OBJECT:
3395 case MONO_TYPE_STRING:
3396 case MONO_TYPE_ARRAY:
3397 case MONO_TYPE_SZARRAY:
3398 mono_mb_emit_byte (mb, CEE_STLOC_3);
3400 mono_mb_emit_ldstr (mb, spec->data.custom_data.cookie);
3402 mono_mb_emit_byte (mb, CEE_CALL);
3403 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, get_instance));
3405 mono_mb_emit_byte (mb, CEE_LDLOC_3);
3407 mono_mb_emit_byte (mb, CEE_CALLVIRT);
3408 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, marshal_native_to_managed));
3410 mono_mb_emit_byte (mb, CEE_STLOC_3);
3413 g_warning ("custom marshalling of type %x is currently not supported", type);
3414 g_assert_not_reached ();
3421 case MONO_TYPE_VOID:
3436 /* no conversions necessary */
3437 mono_mb_emit_byte (mb, CEE_STLOC_3);
3439 case MONO_TYPE_BOOLEAN:
3440 /* maybe we need to make sure that it fits within 8 bits */
3441 mono_mb_emit_byte (mb, CEE_STLOC_3);
3443 case MONO_TYPE_VALUETYPE:
3444 klass = sig->ret->data.klass;
3445 if (klass->enumtype) {
3446 type = sig->ret->data.klass->enum_basetype->type;
3450 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
3452 mono_mb_emit_byte (mb, CEE_STLOC_3);
3455 /* load pointer to returned value type */
3456 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3457 mono_mb_emit_byte (mb, CEE_MONO_VTADDR);
3458 /* store the address of the source into local variable 0 */
3459 mono_mb_emit_byte (mb, CEE_STLOC_0);
3461 mono_mb_emit_ldloc_addr (mb, 3);
3462 mono_mb_emit_byte (mb, CEE_STLOC_1);
3464 /* emit valuetype conversion code */
3465 emit_struct_conv (mb, sig->ret->data.klass, TRUE);
3467 case MONO_TYPE_STRING:
3468 #ifdef GTK_SHARP_FIXED
3469 mono_mb_emit_byte (mb, CEE_STLOC_0);
3470 mono_mb_emit_byte (mb, CEE_LDLOC_0);
3473 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3474 mono_mb_emit_byte (mb, CEE_MONO_FUNC1);
3476 switch (spec->native) {
3477 case MONO_NATIVE_LPWSTR:
3478 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_LPWSTR_STR);
3481 g_warning ("marshalling conversion not implemented");
3482 g_assert_not_reached ();
3485 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_LPSTR_STR);
3487 mono_mb_emit_byte (mb, CEE_STLOC_3);
3489 #ifdef GTK_SHARP_FIXED
3490 /* free the string */
3491 mono_mb_emit_byte (mb, CEE_LDLOC_0);
3492 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3493 mono_mb_emit_byte (mb, CEE_MONO_FREE);
3496 case MONO_TYPE_CLASS:
3497 case MONO_TYPE_OBJECT:
3498 klass = sig->ret->data.klass;
3501 mono_mb_emit_byte (mb, CEE_STLOC_0);
3503 mono_mb_emit_byte (mb, CEE_LDNULL);
3504 mono_mb_emit_byte (mb, CEE_STLOC_3);
3507 mono_mb_emit_byte (mb, CEE_LDLOC_0);
3508 mono_mb_emit_byte (mb, CEE_BRFALSE);
3510 mono_mb_emit_i4 (mb, 0);
3512 /* allocate result object */
3514 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3515 mono_mb_emit_byte (mb, CEE_MONO_NEWOBJ);
3516 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
3517 mono_mb_emit_byte (mb, CEE_STLOC_3);
3521 mono_mb_emit_byte (mb, CEE_LDLOC_3);
3522 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3523 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
3524 mono_mb_emit_icon (mb, sizeof (MonoObject));
3525 mono_mb_emit_byte (mb, CEE_ADD);
3526 mono_mb_emit_byte (mb, CEE_STLOC_1);
3528 /* emit conversion code */
3529 emit_struct_conv (mb, klass, TRUE);
3531 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
3533 case MONO_TYPE_ARRAY:
3534 case MONO_TYPE_SZARRAY:
3535 /* fixme: we need conversions here */
3536 mono_mb_emit_byte (mb, CEE_STLOC_3);
3538 case MONO_TYPE_CHAR:
3539 /* fixme: we need conversions here */
3540 mono_mb_emit_byte (mb, CEE_STLOC_3);
3542 case MONO_TYPE_TYPEDBYREF:
3543 case MONO_TYPE_FNPTR:
3545 g_warning ("return type 0x%02x unknown", sig->ret->type);
3546 g_assert_not_reached ();
3550 mono_mb_emit_byte (mb, CEE_STLOC_3);
3553 /* we need to convert byref arguments back and free string arrays */
3554 for (i = 0; i < sig->param_count; i++) {
3555 MonoType *t = sig->params [i];
3557 argnum = i + sig->hasthis;
3560 case MONO_TYPE_STRING:
3561 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT)) {
3562 mono_mb_emit_ldarg (mb, argnum);
3563 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3564 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3565 mono_mb_emit_byte (mb, CEE_MONO_FUNC1);
3566 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_LPSTR_STR);
3567 mono_mb_emit_byte (mb, CEE_STIND_I);
3569 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3570 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3571 mono_mb_emit_byte (mb, CEE_MONO_FREE);
3574 case MONO_TYPE_CLASS:
3575 case MONO_TYPE_OBJECT:
3576 if (t->data.klass == mono_defaults.stringbuilder_class) {
3577 g_assert (!t->byref);
3578 mono_mb_emit_ldarg (mb, argnum);
3579 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3580 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3581 mono_mb_emit_byte (mb, CEE_MONO_PROC2);
3582 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_LPSTR_SB);
3583 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3584 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3585 mono_mb_emit_byte (mb, CEE_MONO_FREE);
3589 if (!(t->byref || (t->attrs & PARAM_ATTRIBUTE_OUT)))
3592 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT)) {
3593 /* allocate a new object new object */
3594 mono_mb_emit_ldarg (mb, argnum);
3595 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3596 mono_mb_emit_byte (mb, CEE_MONO_NEWOBJ);
3597 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
3598 mono_mb_emit_byte (mb, CEE_STIND_I);
3601 /* dst = *argument */
3602 mono_mb_emit_ldarg (mb, argnum);
3605 mono_mb_emit_byte (mb, CEE_LDIND_I);
3607 mono_mb_emit_byte (mb, CEE_STLOC_1);
3609 mono_mb_emit_byte (mb, CEE_LDLOC_1);
3610 mono_mb_emit_byte (mb, CEE_BRFALSE);
3612 mono_mb_emit_i4 (mb, 0);
3614 mono_mb_emit_byte (mb, CEE_LDLOC_1);
3615 mono_mb_emit_icon (mb, sizeof (MonoObject));
3616 mono_mb_emit_byte (mb, CEE_ADD);
3617 mono_mb_emit_byte (mb, CEE_STLOC_1);
3619 /* src = tmp_locals [i] */
3620 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3621 mono_mb_emit_byte (mb, CEE_STLOC_0);
3623 /* emit valuetype conversion code */
3624 emit_struct_conv (mb, klass, TRUE);
3626 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
3628 case MONO_TYPE_VALUETYPE:
3632 klass = t->data.klass;
3633 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
3634 klass->blittable || klass->enumtype)
3637 /* dst = argument */
3638 mono_mb_emit_ldarg (mb, argnum);
3639 mono_mb_emit_byte (mb, CEE_STLOC_1);
3641 mono_mb_emit_byte (mb, CEE_LDLOC_1);
3642 mono_mb_emit_byte (mb, CEE_BRFALSE);
3644 mono_mb_emit_i4 (mb, 0);
3646 /* src = tmp_locals [i] */
3647 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3648 mono_mb_emit_byte (mb, CEE_STLOC_0);
3650 /* emit valuetype conversion code */
3651 emit_struct_conv (mb, klass, TRUE);
3653 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
3655 case MONO_TYPE_SZARRAY:
3659 klass = mono_class_from_mono_type (t);
3661 if (klass->element_class == mono_defaults.string_class) {
3662 g_assert (tmp_locals [i]);
3664 mono_mb_emit_ldarg (mb, argnum);
3665 mono_mb_emit_byte (mb, CEE_BRFALSE);
3667 mono_mb_emit_i4 (mb, 0);
3669 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3670 mono_mb_emit_ldarg (mb, argnum);
3671 mono_mb_emit_byte (mb, CEE_LDLEN);
3672 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3673 mono_mb_emit_byte (mb, CEE_MONO_PROC2);
3674 mono_mb_emit_byte (mb, MONO_MARSHAL_FREE_ARRAY);
3676 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
3679 if (t->attrs & PARAM_ATTRIBUTE_OUT) {
3680 /* FIXME: Optimize blittable case */
3682 guint32 label1, label2, label3;
3683 int index_var, src_ptr;
3685 eklass = klass->element_class;
3686 src_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
3689 mono_mb_emit_ldarg (mb, argnum);
3690 mono_mb_emit_byte (mb, CEE_BRFALSE);
3692 mono_mb_emit_i4 (mb, 0);
3694 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3695 mono_mb_emit_stloc (mb, src_ptr);
3697 /* Emit marshalling loop */
3698 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
3699 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
3700 mono_mb_emit_stloc (mb, index_var);
3702 mono_mb_emit_ldloc (mb, index_var);
3703 mono_mb_emit_ldarg (mb, argnum);
3704 mono_mb_emit_byte (mb, CEE_LDLEN);
3705 mono_mb_emit_byte (mb, CEE_BGE);
3707 mono_mb_emit_i4 (mb, 0);
3709 /* Emit marshalling code */
3711 /* set the src_ptr */
3712 mono_mb_emit_ldloc (mb, src_ptr);
3713 mono_mb_emit_byte (mb, CEE_STLOC_0);
3716 mono_mb_emit_ldarg (mb, argnum);
3717 mono_mb_emit_ldloc (mb, index_var);
3718 mono_mb_emit_byte (mb, CEE_LDELEMA);
3719 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, eklass));
3720 mono_mb_emit_byte (mb, CEE_STLOC_1);
3722 /* emit valuetype conversion code */
3723 emit_struct_conv (mb, eklass, TRUE);
3725 mono_mb_emit_add_to_local (mb, index_var, 1);
3726 mono_mb_emit_add_to_local (mb, src_ptr, mono_class_native_size (eklass, NULL));
3728 mono_mb_emit_byte (mb, CEE_BR);
3729 mono_mb_emit_i4 (mb, label2 - (mb->pos + 4));
3731 mono_mb_patch_addr (mb, label1, mb->pos - (label1 + 4));
3732 mono_mb_patch_addr (mb, label3, mb->pos - (label3 + 4));
3735 case MONO_TYPE_BOOLEAN:
3738 mono_mb_emit_ldarg (mb, argnum);
3739 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3740 if (mspecs [i + 1] != NULL && mspecs [i + 1]->native == MONO_NATIVE_VARIANTBOOL)
3741 mono_mb_emit_byte (mb, CEE_NEG);
3742 mono_mb_emit_byte (mb, CEE_STIND_I1);
3746 if (!MONO_TYPE_IS_VOID(sig->ret))
3747 mono_mb_emit_byte (mb, CEE_LDLOC_3);
3749 mono_mb_emit_byte (mb, CEE_RET);
3751 csig = g_memdup (sig, sigsize);
3753 res = mono_mb_create_and_cache (cache, method,
3754 mb, csig, csig->param_count + 16);
3757 for (i = sig->param_count; i >= 0; i--)
3758 g_free (mspecs [i]);
3761 //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));
3767 * mono_marshal_get_struct_to_ptr:
3770 * generates IL code for StructureToPtr (object structure, IntPtr ptr, bool fDeleteOld)
3773 mono_marshal_get_struct_to_ptr (MonoClass *klass)
3775 MonoMethodBuilder *mb;
3776 static MonoMethod *stoptr = NULL;
3779 g_assert (klass != NULL);
3781 if (klass->str_to_ptr)
3782 return klass->str_to_ptr;
3785 stoptr = mono_find_method_by_name (mono_defaults.marshal_class, "StructureToPtr", 3);
3788 mb = mono_mb_new (klass, stoptr->name, MONO_WRAPPER_UNKNOWN);
3790 if (klass->blittable) {
3791 mono_mb_emit_byte (mb, CEE_LDARG_1);
3792 mono_mb_emit_byte (mb, CEE_LDARG_0);
3793 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
3794 mono_mb_emit_icon (mb, mono_class_value_size (klass, NULL));
3795 mono_mb_emit_byte (mb, CEE_PREFIX1);
3796 mono_mb_emit_byte (mb, CEE_CPBLK);
3799 /* allocate local 0 (pointer) src_ptr */
3800 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
3801 /* allocate local 1 (pointer) dst_ptr */
3802 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
3803 /* allocate local 2 (boolean) delete_old */
3804 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
3805 mono_mb_emit_byte (mb, CEE_LDARG_2);
3806 mono_mb_emit_byte (mb, CEE_STLOC_2);
3808 /* initialize src_ptr to point to the start of object data */
3809 mono_mb_emit_byte (mb, CEE_LDARG_0);
3810 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
3811 mono_mb_emit_byte (mb, CEE_STLOC_0);
3813 /* initialize dst_ptr */
3814 mono_mb_emit_byte (mb, CEE_LDARG_1);
3815 mono_mb_emit_byte (mb, CEE_STLOC_1);
3817 emit_struct_conv (mb, klass, FALSE);
3820 mono_mb_emit_byte (mb, CEE_RET);
3822 res = mono_mb_create_method (mb, stoptr->signature, 0);
3825 klass->str_to_ptr = res;
3830 * mono_marshal_get_ptr_to_struct:
3833 * generates IL code for PtrToStructure (IntPtr src, object structure)
3836 mono_marshal_get_ptr_to_struct (MonoClass *klass)
3838 MonoMethodBuilder *mb;
3839 static MonoMethod *ptostr = NULL;
3842 g_assert (klass != NULL);
3844 if (klass->ptr_to_str)
3845 return klass->ptr_to_str;
3848 ptostr = mono_find_method_by_name (mono_defaults.marshal_class, "PtrToStructure", 2);
3851 mb = mono_mb_new (klass, ptostr->name, MONO_WRAPPER_UNKNOWN);
3853 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) || klass->blittable) {
3854 mono_mb_emit_byte (mb, CEE_LDARG_1);
3855 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
3856 mono_mb_emit_byte (mb, CEE_LDARG_0);
3857 mono_mb_emit_icon (mb, mono_class_value_size (klass, NULL));
3858 mono_mb_emit_byte (mb, CEE_PREFIX1);
3859 mono_mb_emit_byte (mb, CEE_CPBLK);
3862 /* allocate local 0 (pointer) src_ptr */
3863 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
3864 /* allocate local 1 (pointer) dst_ptr */
3865 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
3867 /* initialize src_ptr to point to the start of object data */
3868 mono_mb_emit_byte (mb, CEE_LDARG_0);
3869 mono_mb_emit_byte (mb, CEE_STLOC_0);
3871 /* initialize dst_ptr */
3872 mono_mb_emit_byte (mb, CEE_LDARG_1);
3873 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
3874 mono_mb_emit_byte (mb, CEE_STLOC_1);
3876 emit_struct_conv (mb, klass, TRUE);
3879 mono_mb_emit_byte (mb, CEE_RET);
3881 res = mono_mb_create_method (mb, ptostr->signature, 0);
3884 klass->ptr_to_str = res;
3888 static MonoReflectionType *
3889 type_from_handle (MonoType *handle)
3891 MonoDomain *domain = mono_domain_get ();
3892 MonoClass *klass = mono_class_from_mono_type (handle);
3894 MONO_ARCH_SAVE_REGS;
3896 mono_class_init (klass);
3897 return mono_type_get_object (domain, handle);
3901 * generates IL code for the synchronized wrapper: the generated method
3902 * calls METHOD while locking 'this' or the parent type.
3905 mono_marshal_get_synchronized_wrapper (MonoMethod *method)
3907 static MonoMethodSignature *from_handle_sig = NULL;
3908 static MonoMethod *enter_method, *exit_method;
3909 MonoMethodSignature *sig;
3910 MonoExceptionClause *clause;
3911 MonoMethodHeader *header;
3912 MonoMethodBuilder *mb;
3915 int i, pos, this_local, ret_local;
3919 if (method->wrapper_type == MONO_WRAPPER_SYNCHRONIZED)
3922 cache = method->klass->image->synchronized_cache;
3923 if ((res = mono_marshal_find_in_cache (cache, method)))
3926 sig = method->signature;
3928 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_SYNCHRONIZED);
3931 if (!MONO_TYPE_IS_VOID (sig->ret))
3932 ret_local = mono_mb_add_local (mb, sig->ret);
3935 this_local = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3937 clause = g_new0 (MonoExceptionClause, 1);
3938 clause->flags = MONO_EXCEPTION_CLAUSE_FINALLY;
3940 if (!enter_method) {
3941 MonoMethodDesc *desc;
3943 desc = mono_method_desc_new ("Monitor:Enter", FALSE);
3944 enter_method = mono_method_desc_search_in_class (desc, mono_defaults.monitor_class);
3945 g_assert (enter_method);
3946 mono_method_desc_free (desc);
3947 desc = mono_method_desc_new ("Monitor:Exit", FALSE);
3948 exit_method = mono_method_desc_search_in_class (desc, mono_defaults.monitor_class);
3949 g_assert (exit_method);
3950 mono_method_desc_free (desc);
3953 * GetTypeFromHandle isn't called as a managed method because it has
3954 * a funky calling sequence, e.g. ldtoken+GetTypeFromHandle gets
3955 * transformed into something else by the JIT.
3957 from_handle_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
3958 from_handle_sig->params [0] = &mono_defaults.object_class->byval_arg;
3959 from_handle_sig->ret = &mono_defaults.object_class->byval_arg;
3962 /* Push this or the type object */
3963 if (method->flags & METHOD_ATTRIBUTE_STATIC) {
3964 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3965 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
3966 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, &method->klass->byval_arg));
3967 mono_mb_emit_native_call (mb, from_handle_sig, type_from_handle);
3970 mono_mb_emit_ldarg (mb, 0);
3971 mono_mb_emit_stloc (mb, this_local);
3973 /* Call Monitor::Enter() */
3974 mono_mb_emit_ldloc (mb, this_local);
3975 mono_mb_emit_managed_call (mb, enter_method, NULL);
3977 clause->try_offset = mb->pos;
3979 /* Call the method */
3981 mono_mb_emit_ldarg (mb, 0);
3982 for (i = 0; i < sig->param_count; i++)
3983 mono_mb_emit_ldarg (mb, i + (sig->hasthis == TRUE));
3984 mono_mb_emit_managed_call (mb, method, method->signature);
3985 if (!MONO_TYPE_IS_VOID (sig->ret))
3986 mono_mb_emit_stloc (mb, ret_local);
3988 mono_mb_emit_byte (mb, CEE_LEAVE);
3990 mono_mb_emit_i4 (mb, 0);
3992 clause->try_len = mb->pos - clause->try_offset;
3993 clause->handler_offset = mb->pos;
3995 /* Call Monitor::Exit() */
3996 mono_mb_emit_ldloc (mb, this_local);
3997 // mono_mb_emit_native_call (mb, exit_sig, mono_monitor_exit);
3998 mono_mb_emit_managed_call (mb, exit_method, NULL);
3999 mono_mb_emit_byte (mb, CEE_ENDFINALLY);
4001 clause->handler_len = mb->pos - clause->handler_offset;
4003 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
4004 if (!MONO_TYPE_IS_VOID (sig->ret))
4005 mono_mb_emit_ldloc (mb, ret_local);
4006 mono_mb_emit_byte (mb, CEE_RET);
4008 res = mono_mb_create_and_cache (cache, method,
4009 mb, sig, sig->param_count + 16);
4012 header = ((MonoMethodNormal *)res)->header;
4013 header->num_clauses = 1;
4014 header->clauses = clause;
4019 /* FIXME: on win32 we should probably use GlobalAlloc(). */
4021 mono_marshal_alloc (gpointer size)
4023 MONO_ARCH_SAVE_REGS;
4025 return g_try_malloc ((gulong)size);
4029 mono_marshal_free (gpointer ptr)
4031 MONO_ARCH_SAVE_REGS;
4037 mono_marshal_free_array (gpointer *ptr, int size)
4044 for (i = 0; i < size; i++)
4050 mono_marshal_realloc (gpointer ptr, gpointer size)
4052 MONO_ARCH_SAVE_REGS;
4054 return g_try_realloc (ptr, (gulong)size);
4058 mono_marshal_string_array (MonoArray *array)
4066 len = mono_array_length (array);
4068 result = g_malloc (sizeof (char *) * (len + 1));
4069 for (i = 0; i < len; ++i) {
4070 MonoString *s = (MonoString *)mono_array_get (array, gpointer, i);
4071 result [i] = s ? mono_string_to_utf8 (s): NULL;
4073 /* null terminate the array */
4080 * mono_marshal_set_last_error:
4082 * This function is invoked to set the last error value from a P/Invoke call
4083 * which has SetLastError set.
4086 mono_marshal_set_last_error (void)
4089 TlsSetValue (last_error_tls_id, (gpointer)GetLastError ());
4091 TlsSetValue (last_error_tls_id, (gpointer)errno);
4096 ves_icall_System_Runtime_InteropServices_Marshal_copy_to_unmanaged (MonoArray *src, gint32 start_index,
4097 gpointer dest, gint32 length)
4102 MONO_ARCH_SAVE_REGS;
4104 MONO_CHECK_ARG_NULL (src);
4105 MONO_CHECK_ARG_NULL (dest);
4107 g_assert (src->obj.vtable->klass->rank == 1);
4108 g_assert (start_index >= 0);
4109 g_assert (length >= 0);
4110 g_assert (start_index + length <= mono_array_length (src));
4112 element_size = mono_array_element_size (src->obj.vtable->klass);
4114 source_addr = mono_array_addr_with_size (src, element_size, start_index);
4116 memcpy (dest, source_addr, length * element_size);
4120 ves_icall_System_Runtime_InteropServices_Marshal_copy_from_unmanaged (gpointer src, gint32 start_index,
4121 MonoArray *dest, gint32 length)
4126 MONO_ARCH_SAVE_REGS;
4128 MONO_CHECK_ARG_NULL (src);
4129 MONO_CHECK_ARG_NULL (dest);
4131 g_assert (dest->obj.vtable->klass->rank == 1);
4132 g_assert (start_index >= 0);
4133 g_assert (length >= 0);
4134 g_assert (start_index + length <= mono_array_length (dest));
4136 element_size = mono_array_element_size (dest->obj.vtable->klass);
4138 dest_addr = mono_array_addr_with_size (dest, element_size, start_index);
4140 memcpy (dest_addr, src, length * element_size);
4143 #if NO_UNALIGNED_ACCESS
4144 #define RETURN_UNALIGNED(type, addr) \
4147 memcpy(&val, p + offset, sizeof(val)); \
4150 #define WRITE_UNALIGNED(type, addr, val) \
4151 memcpy(addr, &val, sizeof(type))
4153 #define RETURN_UNALIGNED(type, addr) \
4154 return *(type*)(p + offset);
4155 #define WRITE_UNALIGNED(type, addr, val) \
4156 (*(type *)(addr) = (val))
4160 ves_icall_System_Runtime_InteropServices_Marshal_ReadIntPtr (gpointer ptr, gint32 offset)
4164 MONO_ARCH_SAVE_REGS;
4166 RETURN_UNALIGNED(gpointer, p + offset);
4170 ves_icall_System_Runtime_InteropServices_Marshal_ReadByte (gpointer ptr, gint32 offset)
4174 MONO_ARCH_SAVE_REGS;
4176 return *(unsigned char*)(p + offset);
4180 ves_icall_System_Runtime_InteropServices_Marshal_ReadInt16 (gpointer ptr, gint32 offset)
4184 MONO_ARCH_SAVE_REGS;
4186 RETURN_UNALIGNED(gint16, p + offset);
4190 ves_icall_System_Runtime_InteropServices_Marshal_ReadInt32 (gpointer ptr, gint32 offset)
4194 MONO_ARCH_SAVE_REGS;
4196 RETURN_UNALIGNED(gint32, p + offset);
4200 ves_icall_System_Runtime_InteropServices_Marshal_ReadInt64 (gpointer ptr, gint32 offset)
4204 MONO_ARCH_SAVE_REGS;
4206 RETURN_UNALIGNED(gint64, p + offset);
4210 ves_icall_System_Runtime_InteropServices_Marshal_WriteByte (gpointer ptr, gint32 offset, unsigned char val)
4214 MONO_ARCH_SAVE_REGS;
4216 *(unsigned char*)(p + offset) = val;
4220 ves_icall_System_Runtime_InteropServices_Marshal_WriteIntPtr (gpointer ptr, gint32 offset, gpointer val)
4224 MONO_ARCH_SAVE_REGS;
4226 WRITE_UNALIGNED(gpointer, p + offset, val);
4230 ves_icall_System_Runtime_InteropServices_Marshal_WriteInt16 (gpointer ptr, gint32 offset, gint16 val)
4234 MONO_ARCH_SAVE_REGS;
4236 WRITE_UNALIGNED(gint16, p + offset, val);
4240 ves_icall_System_Runtime_InteropServices_Marshal_WriteInt32 (gpointer ptr, gint32 offset, gint32 val)
4244 MONO_ARCH_SAVE_REGS;
4246 WRITE_UNALIGNED(gint32, p + offset, val);
4250 ves_icall_System_Runtime_InteropServices_Marshal_WriteInt64 (gpointer ptr, gint32 offset, gint64 val)
4254 MONO_ARCH_SAVE_REGS;
4256 WRITE_UNALIGNED(gint64, p + offset, val);
4260 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringAnsi (char *ptr)
4262 MONO_ARCH_SAVE_REGS;
4264 return mono_string_new (mono_domain_get (), ptr);
4268 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringAnsi_len (char *ptr, gint32 len)
4270 MONO_ARCH_SAVE_REGS;
4272 return mono_string_new_len (mono_domain_get (), ptr, len);
4276 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringUni (guint16 *ptr)
4278 MonoDomain *domain = mono_domain_get ();
4282 MONO_ARCH_SAVE_REGS;
4287 return mono_string_new_utf16 (domain, ptr, len);
4291 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringUni_len (guint16 *ptr, gint32 len)
4293 MonoDomain *domain = mono_domain_get ();
4295 MONO_ARCH_SAVE_REGS;
4297 return mono_string_new_utf16 (domain, ptr, len);
4301 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringBSTR (gpointer ptr)
4303 MONO_ARCH_SAVE_REGS;
4305 g_warning ("PtrToStringBSTR not implemented");
4306 g_assert_not_reached ();
4312 ves_icall_System_Runtime_InteropServices_Marshal_GetLastWin32Error (void)
4314 MONO_ARCH_SAVE_REGS;
4316 return ((guint32)TlsGetValue (last_error_tls_id));
4320 ves_icall_System_Runtime_InteropServices_Marshal_SizeOf (MonoReflectionType *rtype)
4324 MONO_ARCH_SAVE_REGS;
4326 MONO_CHECK_ARG_NULL (rtype);
4328 klass = mono_class_from_mono_type (rtype->type);
4330 return mono_class_native_size (klass, NULL);
4334 ves_icall_System_Runtime_InteropServices_Marshal_StructureToPtr (MonoObject *obj, gpointer dst, MonoBoolean delete_old)
4339 MONO_ARCH_SAVE_REGS;
4341 MONO_CHECK_ARG_NULL (obj);
4342 MONO_CHECK_ARG_NULL (dst);
4344 method = mono_marshal_get_struct_to_ptr (obj->vtable->klass);
4348 pa [2] = &delete_old;
4350 mono_runtime_invoke (method, NULL, pa, NULL);
4354 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure (gpointer src, MonoObject *dst)
4359 MONO_ARCH_SAVE_REGS;
4361 MONO_CHECK_ARG_NULL (src);
4362 MONO_CHECK_ARG_NULL (dst);
4364 method = mono_marshal_get_ptr_to_struct (dst->vtable->klass);
4369 mono_runtime_invoke (method, NULL, pa, NULL);
4373 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure_type (gpointer src, MonoReflectionType *type)
4375 MonoDomain *domain = mono_domain_get ();
4378 MONO_ARCH_SAVE_REGS;
4380 MONO_CHECK_ARG_NULL (src);
4381 MONO_CHECK_ARG_NULL (type);
4383 res = mono_object_new (domain, mono_class_from_mono_type (type->type));
4385 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure (src, res);
4391 ves_icall_System_Runtime_InteropServices_Marshal_OffsetOf (MonoReflectionType *type, MonoString *field_name)
4393 MonoMarshalType *info;
4396 int i, match_index = -1;
4398 MONO_ARCH_SAVE_REGS;
4400 MONO_CHECK_ARG_NULL (type);
4401 MONO_CHECK_ARG_NULL (field_name);
4403 fname = mono_string_to_utf8 (field_name);
4404 klass = mono_class_from_mono_type (type->type);
4406 while(klass && match_index == -1) {
4407 for (i = 0; i < klass->field.count; ++i) {
4408 if (*fname == *klass->fields [i].name && strcmp (fname, klass->fields [i].name) == 0) {
4414 if(match_index == -1)
4415 klass = klass->parent;
4420 if(match_index == -1) {
4424 /* Get back original class instance */
4425 klass = mono_class_from_mono_type (type->type);
4427 tmp = g_strdup_printf ("Field passed in is not a marshaled member of the type %s", klass->name);
4428 exc = mono_get_exception_argument ("fieldName", tmp);
4431 mono_raise_exception ((MonoException*)exc);
4434 info = mono_marshal_load_type_info (klass);
4435 return info->fields [match_index].offset;
4439 ves_icall_System_Runtime_InteropServices_Marshal_StringToHGlobalAnsi (MonoString *string)
4441 MONO_ARCH_SAVE_REGS;
4443 return mono_string_to_utf8 (string);
4447 ves_icall_System_Runtime_InteropServices_Marshal_StringToHGlobalUni (MonoString *string)
4449 MONO_ARCH_SAVE_REGS;
4451 return g_memdup (mono_string_chars (string), mono_string_length (string)*2);
4455 mono_struct_delete_old (MonoClass *klass, char *ptr)
4457 MonoMarshalType *info;
4460 info = mono_marshal_load_type_info (klass);
4462 for (i = 0; i < info->num_fields; i++) {
4463 MonoMarshalNative ntype;
4464 MonoMarshalConv conv;
4465 MonoType *ftype = info->fields [i].field->type;
4468 if (ftype->attrs & FIELD_ATTRIBUTE_STATIC)
4471 ntype = mono_type_to_unmanaged (ftype, info->fields [i].mspec, TRUE,
4472 klass->unicode, &conv);
4474 cpos = ptr + info->fields [i].offset;
4477 case MONO_MARSHAL_CONV_NONE:
4478 if (MONO_TYPE_ISSTRUCT (ftype)) {
4479 mono_struct_delete_old (ftype->data.klass, cpos);
4483 case MONO_MARSHAL_CONV_STR_LPWSTR:
4484 case MONO_MARSHAL_CONV_STR_LPSTR:
4485 case MONO_MARSHAL_CONV_STR_LPTSTR:
4486 case MONO_MARSHAL_CONV_STR_BSTR:
4487 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
4488 case MONO_MARSHAL_CONV_STR_TBSTR:
4489 g_free (*(gpointer *)cpos);
4498 ves_icall_System_Runtime_InteropServices_Marshal_DestroyStructure (gpointer src, MonoReflectionType *type)
4502 MONO_ARCH_SAVE_REGS;
4504 MONO_CHECK_ARG_NULL (src);
4505 MONO_CHECK_ARG_NULL (type);
4507 klass = mono_class_from_mono_type (type->type);
4509 mono_struct_delete_old (klass, (char *)src);
4513 mono_marshal_load_type_info (MonoClass* klass)
4515 int i, j, count = 0, native_size = 0;
4516 MonoMarshalType *info;
4519 g_assert (klass != NULL);
4521 if (klass->marshal_info)
4522 return klass->marshal_info;
4525 mono_class_init (klass);
4527 for (i = 0; i < klass->field.count; ++i) {
4528 if (klass->fields [i].type->attrs & FIELD_ATTRIBUTE_STATIC)
4530 if (mono_field_is_deleted (&klass->fields [i]))
4535 layout = klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK;
4537 klass->marshal_info = info = g_malloc0 (sizeof (MonoMarshalType) + sizeof (MonoMarshalField) * count);
4538 info->num_fields = count;
4540 /* Try to find a size for this type in metadata */
4541 mono_metadata_packing_from_typedef (klass->image, klass->type_token, NULL, &native_size);
4543 if (klass->parent) {
4544 int parent_size = mono_class_native_size (klass->parent, NULL);
4546 /* Add parent size to real size */
4547 native_size += parent_size;
4548 info->native_size = parent_size;
4551 for (j = i = 0; i < klass->field.count; ++i) {
4554 if (klass->fields [i].type->attrs & FIELD_ATTRIBUTE_STATIC)
4557 if (mono_field_is_deleted (&klass->fields [i]))
4559 if (klass->fields [i].type->attrs & FIELD_ATTRIBUTE_HAS_FIELD_MARSHAL)
4560 mono_metadata_field_info (klass->image, klass->field.first + i,
4561 NULL, NULL, &info->fields [j].mspec);
4563 info->fields [j].field = &klass->fields [i];
4565 if ((klass->field.count == 1) && (klass->instance_size == sizeof (MonoObject)) &&
4566 (strcmp (klass->fields [i].name, "$PRIVATE$") == 0)) {
4567 /* This field is a hack inserted by MCS to empty structures */
4572 case TYPE_ATTRIBUTE_AUTO_LAYOUT:
4573 case TYPE_ATTRIBUTE_SEQUENTIAL_LAYOUT:
4574 size = mono_marshal_type_size (klass->fields [i].type, info->fields [j].mspec,
4575 &align, TRUE, klass->unicode);
4576 align = klass->packing_size ? MIN (klass->packing_size, align): align;
4577 info->fields [j].offset = info->native_size;
4578 info->fields [j].offset += align - 1;
4579 info->fields [j].offset &= ~(align - 1);
4580 info->native_size = info->fields [j].offset + size;
4582 case TYPE_ATTRIBUTE_EXPLICIT_LAYOUT:
4584 info->fields [j].offset = klass->fields [i].offset - sizeof (MonoObject);
4585 info->native_size = klass->instance_size - sizeof (MonoObject);
4591 if(layout != TYPE_ATTRIBUTE_AUTO_LAYOUT) {
4592 info->native_size = MAX (native_size, info->native_size);
4595 if (info->native_size & (klass->min_align - 1)) {
4596 info->native_size += klass->min_align - 1;
4597 info->native_size &= ~(klass->min_align - 1);
4600 return klass->marshal_info;
4604 * mono_class_native_size:
4607 * Returns: the native size of an object instance (when marshaled
4608 * to unmanaged code)
4611 mono_class_native_size (MonoClass *klass, guint32 *align)
4614 if (!klass->marshal_info)
4615 mono_marshal_load_type_info (klass);
4618 *align = klass->min_align;
4620 return klass->marshal_info->native_size;
4624 * mono_type_native_stack_size:
4625 * @t: the type to return the size it uses on the stack
4627 * Returns: the number of bytes required to hold an instance of this
4628 * type on the native stack
4631 mono_type_native_stack_size (MonoType *t, gint *align)
4635 g_assert (t != NULL);
4646 case MONO_TYPE_BOOLEAN:
4647 case MONO_TYPE_CHAR:
4656 case MONO_TYPE_STRING:
4657 case MONO_TYPE_OBJECT:
4658 case MONO_TYPE_CLASS:
4659 case MONO_TYPE_SZARRAY:
4661 case MONO_TYPE_FNPTR:
4662 case MONO_TYPE_ARRAY:
4663 case MONO_TYPE_TYPEDBYREF:
4674 case MONO_TYPE_VALUETYPE: {
4677 if (t->data.klass->enumtype)
4678 return mono_type_native_stack_size (t->data.klass->enum_basetype, align);
4680 size = mono_class_native_size (t->data.klass, align);
4681 *align = *align + 3;
4691 g_error ("type 0x%02x unknown", t->type);
4696 /* __alignof__ returns the preferred alignment of values not the actual alignment used by
4697 the compiler so is wrong e.g. for Linux where doubles are aligned on a 4 byte boundary
4698 but __alignof__ returns 8 - using G_STRUCT_OFFSET works better */
4699 #define ALIGNMENT(type) G_STRUCT_OFFSET(struct { char c; type x; }, x)
4702 mono_marshal_type_size (MonoType *type, MonoMarshalSpec *mspec, gint32 *align,
4703 gboolean as_field, gboolean unicode)
4705 MonoMarshalNative native_type = mono_type_to_unmanaged (type, mspec, as_field, unicode, NULL);
4708 switch (native_type) {
4709 case MONO_NATIVE_BOOLEAN:
4712 case MONO_NATIVE_I1:
4713 case MONO_NATIVE_U1:
4716 case MONO_NATIVE_I2:
4717 case MONO_NATIVE_U2:
4718 case MONO_NATIVE_VARIANTBOOL:
4721 case MONO_NATIVE_I4:
4722 case MONO_NATIVE_U4:
4723 case MONO_NATIVE_ERROR:
4726 case MONO_NATIVE_I8:
4727 case MONO_NATIVE_U8:
4728 *align = ALIGNMENT(guint64);
4730 case MONO_NATIVE_R4:
4733 case MONO_NATIVE_R8:
4734 *align = ALIGNMENT(double);
4736 case MONO_NATIVE_INT:
4737 case MONO_NATIVE_UINT:
4738 case MONO_NATIVE_LPSTR:
4739 case MONO_NATIVE_LPWSTR:
4740 case MONO_NATIVE_LPTSTR:
4741 case MONO_NATIVE_BSTR:
4742 case MONO_NATIVE_ANSIBSTR:
4743 case MONO_NATIVE_TBSTR:
4744 case MONO_NATIVE_LPARRAY:
4745 case MONO_NATIVE_SAFEARRAY:
4746 case MONO_NATIVE_IUNKNOWN:
4747 case MONO_NATIVE_IDISPATCH:
4748 case MONO_NATIVE_INTERFACE:
4749 case MONO_NATIVE_ASANY:
4750 case MONO_NATIVE_FUNC:
4751 case MONO_NATIVE_LPSTRUCT:
4752 *align = ALIGNMENT(gpointer);
4753 return sizeof (gpointer);
4754 case MONO_NATIVE_STRUCT:
4755 klass = mono_class_from_mono_type (type);
4756 return mono_class_native_size (klass, align);
4757 case MONO_NATIVE_BYVALTSTR: {
4758 int esize = unicode ? 2: 1;
4761 return mspec->data.array_data.num_elem * esize;
4763 case MONO_NATIVE_BYVALARRAY: {
4765 klass = mono_class_from_mono_type (type);
4766 esize = mono_class_native_size (klass->element_class, align);
4768 return mspec->data.array_data.num_elem * esize;
4770 case MONO_NATIVE_CUSTOM:
4771 g_assert_not_reached ();
4773 case MONO_NATIVE_CURRENCY:
4774 case MONO_NATIVE_VBBYREFSTR:
4776 g_error ("native type %02x not implemented", native_type);
4779 g_assert_not_reached ();