2 * marshal.c: Routines for marshaling complex types in P/Invoke methods.
5 * Paolo Molaro (lupus@ximian.com)
7 * (C) 2002 Ximian, Inc. http://www.ximian.com
14 #include "metadata/marshal.h"
15 #include "metadata/tabledefs.h"
16 #include "metadata/exception.h"
17 #include "metadata/appdomain.h"
18 #include "mono/metadata/debug-helpers.h"
19 #include "mono/metadata/threadpool.h"
20 #include "mono/metadata/threads.h"
21 #include "mono/metadata/monitor.h"
22 #include "mono/metadata/metadata-internals.h"
23 #include "mono/metadata/domain-internals.h"
24 #include "mono/metadata/gc-internal.h"
25 #include "mono/metadata/threads-types.h"
26 #include <mono/os/gc_wrapper.h>
30 /* #define DEBUG_RUNTIME_CODE */
32 #define OPDEF(a,b,c,d,e,f,g,h,i,j) \
36 MONO_MARSHAL_NONE, /* No marshalling needed */
37 MONO_MARSHAL_COPY, /* Can be copied by value to the new domain */
38 MONO_MARSHAL_COPY_OUT, /* out parameter that needs to be copied back to the original instance */
39 MONO_MARSHAL_SERIALIZE /* Value needs to be serialized into the new domain */
40 } MonoXDomainMarshalType;
43 #include "mono/cil/opcode.def"
48 struct _MonoMethodBuilder {
52 guint32 code_size, pos;
56 struct _MonoRemotingMethods {
58 MonoMethod *invoke_with_check;
59 MonoMethod *xdomain_invoke;
60 MonoMethod *xdomain_dispatch;
63 typedef struct _MonoRemotingMethods MonoRemotingMethods;
66 delegate_hash_table_add (MonoDelegate *d);
69 emit_struct_conv (MonoMethodBuilder *mb, MonoClass *klass, gboolean to_object);
71 #ifdef DEBUG_RUNTIME_CODE
73 indenter (MonoDisHelper *dh, MonoMethod *method, guint32 ip_offset)
75 return g_strdup (" ");
78 static MonoDisHelper marshal_dh = {
88 /* This mutex protects the various marshalling related caches in MonoImage */
89 static CRITICAL_SECTION marshal_mutex;
91 /* Maps wrapper methods to the methods they wrap */
92 static GHashTable *wrapper_hash;
94 static guint32 last_error_tls_id;
96 static void mono_struct_delete_old (MonoClass *klass, char *ptr);
97 void * mono_marshal_string_to_utf16 (MonoString *s);
99 static gpointer mono_string_to_lpstr (MonoString *string_obj);
102 register_icall (gpointer func, const char *name, const char *sigstr, gboolean save)
104 MonoMethodSignature *sig = mono_create_icall_signature (sigstr);
106 mono_register_jit_icall (func, name, sig, save);
109 static MonoMethodSignature*
110 signature_no_pinvoke (MonoMethodSignature* sig)
113 sig = mono_metadata_signature_dup (sig);
114 sig->pinvoke = FALSE;
121 mono_marshal_init (void)
123 static gboolean module_initialized = FALSE;
125 if (!module_initialized) {
126 module_initialized = TRUE;
127 InitializeCriticalSection (&marshal_mutex);
128 wrapper_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
129 last_error_tls_id = TlsAlloc ();
131 register_icall (mono_marshal_string_to_utf16, "mono_marshal_string_to_utf16", "ptr obj", FALSE);
132 register_icall (mono_string_to_utf16, "mono_string_to_utf16", "ptr obj", FALSE);
133 register_icall (mono_string_from_utf16, "mono_string_from_utf16", "obj ptr", FALSE);
134 register_icall (mono_string_new_wrapper, "mono_string_new_wrapper", "obj ptr", FALSE);
135 register_icall (mono_string_to_utf8, "mono_string_to_utf8", "ptr obj", FALSE);
136 register_icall (mono_string_to_lpstr, "mono_string_to_lpstr", "ptr obj", FALSE);
137 register_icall (mono_string_to_bstr, "mono_string_to_bstr", "ptr obj", FALSE);
138 register_icall (mono_string_to_ansibstr, "mono_string_to_ansibstr", "ptr object", FALSE);
139 register_icall (mono_string_builder_to_utf8, "mono_string_builder_to_utf8", "ptr object", FALSE);
140 register_icall (mono_string_builder_to_utf16, "mono_string_builder_to_utf16", "ptr object", FALSE);
141 register_icall (mono_array_to_savearray, "mono_array_to_savearray", "ptr object", FALSE);
142 register_icall (mono_array_to_lparray, "mono_array_to_lparray", "ptr object", FALSE);
143 register_icall (mono_delegate_to_ftnptr, "mono_delegate_to_ftnptr", "ptr object", FALSE);
144 register_icall (mono_ftnptr_to_delegate, "mono_ftnptr_to_delegate", "object ptr ptr", FALSE);
145 register_icall (mono_marshal_asany, "mono_marshal_asany", "ptr object int32", FALSE);
146 register_icall (mono_marshal_free_asany, "mono_marshal_free_asany", "void object ptr int32", FALSE);
147 register_icall (mono_marshal_alloc, "mono_marshal_alloc", "ptr int32", FALSE);
148 register_icall (mono_marshal_free, "mono_marshal_free", "void ptr", FALSE);
149 register_icall (mono_string_utf8_to_builder, "mono_string_utf8_to_builder", "void ptr ptr", FALSE);
150 register_icall (mono_string_utf16_to_builder, "mono_string_utf16_to_builder", "void ptr ptr", FALSE);
151 register_icall (mono_marshal_free_array, "mono_marshal_free_array", "void ptr int32", FALSE);
152 register_icall (mono_string_to_byvalstr, "mono_string_to_byvalstr", "void ptr ptr int32", FALSE);
153 register_icall (mono_string_to_byvalwstr, "mono_string_to_byvalwstr", "void ptr ptr int32", FALSE);
154 register_icall (g_free, "g_free", "void ptr", FALSE);
155 register_icall (mono_object_isinst, "mono_object_isinst", "object object ptr", FALSE);
156 register_icall (mono_struct_delete_old, "mono_struct_delete_old", "void ptr ptr", FALSE);
161 MonoClass *byte_array_class;
162 static MonoMethod *method_rs_serialize, *method_rs_deserialize, *method_exc_fixexc, *method_rs_appdomain_target;
163 static MonoMethod *method_set_context, *method_get_context;
164 static MonoMethod *method_set_call_context, *method_needs_context_sink, *method_rs_serialize_exc;
167 mono_remoting_marshal_init (void)
171 static gboolean module_initialized = FALSE;
173 if (!module_initialized) {
174 klass = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting", "RemotingServices");
175 method_rs_serialize = mono_class_get_method_from_name (klass, "SerializeCallData", -1);
176 method_rs_deserialize = mono_class_get_method_from_name (klass, "DeserializeCallData", -1);
177 method_rs_serialize_exc = mono_class_get_method_from_name (klass, "SerializeExceptionData", -1);
179 klass = mono_defaults.real_proxy_class;
180 method_rs_appdomain_target = mono_class_get_method_from_name (klass, "GetAppDomainTarget", -1);
182 klass = mono_defaults.exception_class;
183 method_exc_fixexc = mono_class_get_method_from_name (klass, "FixRemotingException", -1);
185 klass = mono_defaults.thread_class;
186 method_get_context = mono_class_get_method_from_name (klass, "get_CurrentContext", -1);
188 klass = mono_defaults.appdomain_class;
189 method_set_context = mono_class_get_method_from_name (klass, "InternalSetContext", -1);
190 byte_array_class = mono_array_class_get (mono_defaults.byte_class, 1);
192 klass = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting.Messaging", "CallContext");
193 method_set_call_context = mono_class_get_method_from_name (klass, "SetCurrentCallContext", -1);
195 klass = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting.Contexts", "Context");
196 method_needs_context_sink = mono_class_get_method_from_name (klass, "get_NeedsContextSink", -1);
198 module_initialized = TRUE;
203 mono_delegate_to_ftnptr (MonoDelegate *delegate)
205 MonoMethod *method, *wrapper;
211 if (delegate->delegate_trampoline)
212 return delegate->delegate_trampoline;
214 klass = ((MonoObject *)delegate)->vtable->klass;
215 g_assert (klass->delegate);
217 method = delegate->method_info->method;
219 wrapper = mono_marshal_get_managed_wrapper (method, klass, delegate->target);
221 delegate->delegate_trampoline = mono_compile_method (wrapper);
223 // Add the delegate to the delegate hash table
224 delegate_hash_table_add (delegate);
226 /* when the object is collected, collect the dunamic method, too */
227 mono_object_register_finalizer ((MonoObject*)delegate);
229 return delegate->delegate_trampoline;
232 static GHashTable *delegate_hash_table;
235 delegate_hash_table_new (void) {
236 return g_hash_table_new (NULL, NULL);
240 delegate_hash_table_remove (MonoDelegate *d)
242 EnterCriticalSection (&marshal_mutex);
243 if (delegate_hash_table == NULL)
244 delegate_hash_table = delegate_hash_table_new ();
245 g_hash_table_remove (delegate_hash_table, d->delegate_trampoline);
246 LeaveCriticalSection (&marshal_mutex);
250 delegate_hash_table_add (MonoDelegate *d)
252 EnterCriticalSection (&marshal_mutex);
253 if (delegate_hash_table == NULL)
254 delegate_hash_table = delegate_hash_table_new ();
255 g_hash_table_insert (delegate_hash_table, d->delegate_trampoline, d);
256 LeaveCriticalSection (&marshal_mutex);
260 mono_ftnptr_to_delegate (MonoClass *klass, gpointer ftn)
264 EnterCriticalSection (&marshal_mutex);
265 if (delegate_hash_table == NULL)
266 delegate_hash_table = delegate_hash_table_new ();
268 d = g_hash_table_lookup (delegate_hash_table, ftn);
269 LeaveCriticalSection (&marshal_mutex);
271 /* This is a native function, so construct a delegate for it */
272 static MonoClass *UnmanagedFunctionPointerAttribute;
273 MonoMethodSignature *sig;
275 MonoMarshalSpec **mspecs;
276 MonoCustomAttrInfo *cinfo;
277 MonoReflectionUnmanagedFunctionPointerAttribute *attr;
278 MonoMethod *invoke = mono_get_delegate_invoke (klass);
279 MonoMethodPInvoke piinfo;
282 memset (&piinfo, 0, sizeof (piinfo));
283 if (!UnmanagedFunctionPointerAttribute)
284 UnmanagedFunctionPointerAttribute = mono_class_from_name (mono_defaults.corlib, "System.Runtime.InteropServices", "UnmanagedFunctionPointerAttribute");
286 /* The attribute is only available in Net 2.0 */
287 if (UnmanagedFunctionPointerAttribute) {
289 * The pinvoke attributes are stored in a real custom attribute so we have to
292 cinfo = mono_custom_attrs_from_class (klass);
294 attr = (MonoReflectionUnmanagedFunctionPointerAttribute*)mono_custom_attrs_get_attr (cinfo, UnmanagedFunctionPointerAttribute);
296 piinfo.piflags = (attr->call_conv << 8) | (attr->charset ? (attr->charset - 1) * 2 : 1) | attr->set_last_error;
299 mono_custom_attrs_free (cinfo);
303 mspecs = g_new0 (MonoMarshalSpec*, mono_method_signature (invoke)->param_count + 1);
304 mono_method_get_marshal_info (invoke, mspecs);
305 sig = mono_metadata_signature_dup (mono_method_signature (invoke));
308 wrapper = mono_marshal_get_native_func_wrapper (sig, &piinfo, mspecs, ftn);
310 for (i = mono_method_signature (invoke)->param_count; i >= 0; i--)
312 mono_metadata_free_marshal_spec (mspecs [i]);
316 d = (MonoDelegate*)mono_object_new (mono_domain_get (), klass);
317 mono_delegate_ctor ((MonoObject*)d, NULL, mono_compile_method (wrapper));
324 mono_delegate_free_ftnptr (MonoDelegate *delegate)
329 delegate_hash_table_remove (delegate);
331 ptr = InterlockedExchangePointer (&delegate->delegate_trampoline, NULL);
333 if (!delegate->target) {
334 /* The wrapper method is shared between delegates -> no need to free it */
339 ji = mono_jit_info_table_find (mono_domain_get (), ptr);
342 mono_runtime_free_method (mono_object_domain (delegate), ji->method);
347 mono_array_to_savearray (MonoArray *array)
352 g_assert_not_reached ();
357 mono_array_to_lparray (MonoArray *array)
362 /* fixme: maybe we need to make a copy */
363 return array->vector;
367 mono_string_utf8_to_builder (MonoStringBuilder *sb, char *text)
369 GError *error = NULL;
379 ut = g_utf8_to_utf16 (text, l, NULL, &items_written, &error);
381 if (items_written > mono_stringbuilder_capacity (sb))
382 items_written = mono_stringbuilder_capacity (sb);
385 if (! sb->str || sb->str == sb->cached_str) {
386 sb->str = mono_string_new_size (mono_domain_get (), items_written);
387 sb->cached_str = NULL;
390 memcpy (mono_string_chars (sb->str), ut, items_written * 2);
391 sb->length = items_written;
393 g_error_free (error);
399 mono_string_utf16_to_builder (MonoStringBuilder *sb, gunichar2 *text)
406 g_assert (mono_string_chars (sb->str) == text);
408 for (len = 0; text [len] != 0; ++len)
415 mono_string_builder_to_utf8 (MonoStringBuilder *sb)
417 GError *error = NULL;
424 res = mono_marshal_alloc (mono_stringbuilder_capacity (sb) + 1);
426 tmp = g_utf16_to_utf8 (mono_string_chars (sb->str), sb->length, NULL, res, &error);
428 g_error_free (error);
429 mono_raise_exception (mono_get_exception_execution_engine ("Failed to convert StringBuilder from utf16 to utf8"));
432 memcpy (res, tmp, sb->length + 1);
440 mono_string_builder_to_utf16 (MonoStringBuilder *sb)
446 * The sb could have been allocated with the default capacity and be empty.
447 * we need to alloc a buffer of the default capacity in this case.
450 sb->str = mono_string_new_size (mono_domain_get (), mono_stringbuilder_capacity (sb));
452 * The stringbuilder might not have ownership of this string. If this is
453 * the case, we must duplicate the string, so that we don't munge immutable
456 else if (sb->str == sb->cached_str) {
457 sb->str = mono_string_new_utf16 (mono_domain_get (), mono_string_chars (sb->str), mono_stringbuilder_capacity (sb));
458 sb->cached_str = NULL;
461 return mono_string_chars (sb->str);
465 mono_string_to_lpstr (MonoString *s)
467 #ifdef PLATFORM_WIN32
470 GError *error = NULL;
476 as = CoTaskMemAlloc (1);
481 tmp = g_utf16_to_utf8 (mono_string_chars (s), s->length, NULL, &len, &error);
483 g_warning (error->message);
484 g_error_free (error);
488 as = CoTaskMemAlloc (len + 1);
489 memcpy (as, tmp, len + 1);
493 return mono_string_to_utf8 (s);
498 mono_string_to_ansibstr (MonoString *string_obj)
500 g_error ("UnmanagedMarshal.BStr is not implemented.");
505 mono_string_to_bstr (MonoString *string_obj)
507 g_error ("UnmanagedMarshal.AnsiBStr is not implemented.");
512 mono_string_to_byvalstr (gpointer dst, MonoString *src, int size)
517 g_assert (dst != NULL);
520 memset (dst, 0, size);
525 s = mono_string_to_utf8 (src);
526 len = MIN (size, strlen (s));
527 memcpy (dst, s, len);
530 *((char *)dst + size - 1) = 0;
534 mono_string_to_byvalwstr (gpointer dst, MonoString *src, int size)
538 g_assert (dst != NULL);
542 memset (dst, 0, size);
546 len = MIN (size, (mono_string_length (src) * 2));
547 memcpy (dst, mono_string_chars (src), len);
549 *((char *)dst + size - 1) = 0;
550 *((char *)dst + size - 2) = 0;
554 mono_mb_free (MonoMethodBuilder *mb)
556 g_list_free (mb->locals_list);
561 mono_mb_new (MonoClass *klass, const char *name, MonoWrapperType type)
563 MonoMethodBuilder *mb;
566 g_assert (klass != NULL);
567 g_assert (name != NULL);
569 mb = g_new0 (MonoMethodBuilder, 1);
571 mb->method = m = (MonoMethod *)g_new0 (MonoMethodWrapper, 1);
574 m->name = g_strdup (name);
576 m->wrapper_type = type;
579 mb->code = g_malloc (mb->code_size);
585 mono_mb_add_local (MonoMethodBuilder *mb, MonoType *type)
587 int res = mb->locals;
589 g_assert (mb != NULL);
590 g_assert (type != NULL);
592 mb->locals_list = g_list_append (mb->locals_list, type);
599 mono_mb_create_method (MonoMethodBuilder *mb, MonoMethodSignature *signature, int max_stack)
601 MonoMethodHeader *header;
602 MonoMethodWrapper *mw;
606 g_assert (mb != NULL);
608 ((MonoMethodNormal *)mb->method)->header = header = (MonoMethodHeader *)
609 g_malloc0 (sizeof (MonoMethodHeader) + mb->locals * sizeof (MonoType *));
614 header->max_stack = max_stack;
616 for (i = 0, l = mb->locals_list; l; l = l->next, i++) {
617 header->locals [i] = (MonoType *)l->data;
620 mb->method->signature = signature;
621 header->code = mb->code;
622 header->code_size = mb->pos;
623 header->num_locals = mb->locals;
625 mw = (MonoMethodWrapper*) mb->method;
626 i = g_list_length (mw->method_data);
630 l = g_list_reverse (mw->method_data);
631 data = mw->method_data = g_new (gpointer, i + 1);
632 /* store the size in the first element */
633 data [0] = GUINT_TO_POINTER (i);
635 for (tmp = l; tmp; tmp = tmp->next) {
636 data [i++] = tmp->data;
641 static int total_code = 0;
642 static int total_alloc = 0;
643 total_code += mb->pos;
644 total_alloc += mb->code_size;
645 g_print ("code size: %d of %d (allocated: %d)\n", mb->pos, total_code, total_alloc);
648 #ifdef DEBUG_RUNTIME_CODE
649 printf ("RUNTIME CODE FOR %s\n", mono_method_full_name (mb->method, TRUE));
650 printf ("%s\n", mono_disasm_code (&marshal_dh, mb->method, mb->code, mb->code + mb->pos));
657 mono_mb_add_data (MonoMethodBuilder *mb, gpointer data)
659 MonoMethodWrapper *mw;
661 g_assert (mb != NULL);
663 mw = (MonoMethodWrapper *)mb->method;
665 /* one O(n) is enough */
666 mw->method_data = g_list_prepend (mw->method_data, data);
668 return g_list_length (mw->method_data);
672 mono_mb_patch_addr (MonoMethodBuilder *mb, int pos, int value)
674 mb->code [pos] = value & 0xff;
675 mb->code [pos + 1] = (value >> 8) & 0xff;
676 mb->code [pos + 2] = (value >> 16) & 0xff;
677 mb->code [pos + 3] = (value >> 24) & 0xff;
681 mono_mb_patch_addr_s (MonoMethodBuilder *mb, int pos, gint8 value)
683 *((gint8 *)(&mb->code [pos])) = value;
687 mono_mb_emit_byte (MonoMethodBuilder *mb, guint8 op)
689 if (mb->pos >= mb->code_size) {
690 mb->code_size += mb->code_size >> 1;
691 mb->code = g_realloc (mb->code, mb->code_size);
694 mb->code [mb->pos++] = op;
698 mono_mb_emit_ldflda (MonoMethodBuilder *mb, gint32 offset)
700 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
701 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
704 mono_mb_emit_icon (mb, offset);
705 mono_mb_emit_byte (mb, CEE_ADD);
710 mono_mb_emit_proxy_check (MonoMethodBuilder *mb, int branch_code)
713 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
714 mono_mb_emit_byte (mb, CEE_LDIND_I);
715 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoVTable, klass));
716 mono_mb_emit_byte (mb, CEE_ADD);
717 mono_mb_emit_byte (mb, CEE_LDIND_I);
718 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
719 mono_mb_emit_byte (mb, CEE_MONO_CLASSCONST);
720 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_defaults.transparent_proxy_class));
721 mono_mb_emit_byte (mb, branch_code);
723 mono_mb_emit_i4 (mb, 0);
728 mono_mb_emit_xdomain_check (MonoMethodBuilder *mb, int branch_code)
731 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
732 mono_mb_emit_byte (mb, CEE_LDIND_REF);
733 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoRealProxy, target_domain_id));
734 mono_mb_emit_byte (mb, CEE_LDIND_I4);
735 mono_mb_emit_icon (mb, -1);
736 mono_mb_emit_byte (mb, branch_code);
738 mono_mb_emit_i4 (mb, 0);
743 mono_mb_emit_i4 (MonoMethodBuilder *mb, gint32 data)
745 if ((mb->pos + 4) >= mb->code_size) {
746 mb->code_size += mb->code_size >> 1;
747 mb->code = g_realloc (mb->code, mb->code_size);
750 mono_mb_patch_addr (mb, mb->pos, data);
755 mono_mb_emit_i2 (MonoMethodBuilder *mb, gint16 data)
757 if ((mb->pos + 2) >= mb->code_size) {
758 mb->code_size += mb->code_size >> 1;
759 mb->code = g_realloc (mb->code, mb->code_size);
762 mb->code [mb->pos] = data & 0xff;
763 mb->code [mb->pos + 1] = (data >> 8) & 0xff;
768 mono_mb_emit_ldstr (MonoMethodBuilder *mb, char *str)
770 mono_mb_emit_byte (mb, CEE_LDSTR);
771 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, str));
776 mono_mb_emit_ldarg (MonoMethodBuilder *mb, guint argnum)
779 mono_mb_emit_byte (mb, CEE_LDARG_0 + argnum);
780 } else if (argnum < 256) {
781 mono_mb_emit_byte (mb, CEE_LDARG_S);
782 mono_mb_emit_byte (mb, argnum);
784 mono_mb_emit_byte (mb, CEE_PREFIX1);
785 mono_mb_emit_byte (mb, CEE_LDARG);
786 mono_mb_emit_i2 (mb, argnum);
791 mono_mb_emit_ldarg_addr (MonoMethodBuilder *mb, guint argnum)
794 mono_mb_emit_byte (mb, CEE_LDARGA_S);
795 mono_mb_emit_byte (mb, argnum);
797 mono_mb_emit_byte (mb, CEE_PREFIX1);
798 mono_mb_emit_byte (mb, CEE_LDARGA);
799 mono_mb_emit_i2 (mb, argnum);
804 mono_mb_emit_ldloc_addr (MonoMethodBuilder *mb, guint locnum)
807 mono_mb_emit_byte (mb, CEE_LDLOCA_S);
808 mono_mb_emit_byte (mb, locnum);
810 mono_mb_emit_byte (mb, CEE_PREFIX1);
811 mono_mb_emit_byte (mb, CEE_LDLOCA);
812 mono_mb_emit_i2 (mb, locnum);
817 mono_mb_emit_ldloc (MonoMethodBuilder *mb, guint num)
820 mono_mb_emit_byte (mb, CEE_LDLOC_0 + num);
821 } else if (num < 256) {
822 mono_mb_emit_byte (mb, CEE_LDLOC_S);
823 mono_mb_emit_byte (mb, num);
825 mono_mb_emit_byte (mb, CEE_PREFIX1);
826 mono_mb_emit_byte (mb, CEE_LDLOC);
827 mono_mb_emit_i2 (mb, num);
832 mono_mb_emit_stloc (MonoMethodBuilder *mb, guint num)
835 mono_mb_emit_byte (mb, CEE_STLOC_0 + num);
836 } else if (num < 256) {
837 mono_mb_emit_byte (mb, CEE_STLOC_S);
838 mono_mb_emit_byte (mb, num);
840 mono_mb_emit_byte (mb, CEE_PREFIX1);
841 mono_mb_emit_byte (mb, CEE_STLOC);
842 mono_mb_emit_i2 (mb, num);
847 mono_mb_emit_icon (MonoMethodBuilder *mb, gint32 value)
849 if (value >= -1 && value < 8) {
850 mono_mb_emit_byte (mb, CEE_LDC_I4_0 + value);
851 } else if (value >= -128 && value <= 127) {
852 mono_mb_emit_byte (mb, CEE_LDC_I4_S);
853 mono_mb_emit_byte (mb, value);
855 mono_mb_emit_byte (mb, CEE_LDC_I4);
856 mono_mb_emit_i4 (mb, value);
861 mono_mb_emit_branch (MonoMethodBuilder *mb, guint8 op)
864 mono_mb_emit_byte (mb, op);
866 mono_mb_emit_i4 (mb, 0);
871 mono_mb_emit_calli (MonoMethodBuilder *mb, MonoMethodSignature *sig)
873 mono_mb_emit_byte (mb, CEE_CALLI);
874 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, sig));
878 mono_mb_emit_managed_call (MonoMethodBuilder *mb, MonoMethod *method, MonoMethodSignature *opt_sig)
880 mono_mb_emit_byte (mb, CEE_CALL);
881 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, method));
885 mono_mb_emit_native_call (MonoMethodBuilder *mb, MonoMethodSignature *sig, gpointer func)
887 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
888 mono_mb_emit_byte (mb, CEE_MONO_SAVE_LMF);
889 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
890 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
891 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, func));
892 mono_mb_emit_calli (mb, sig);
893 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
894 mono_mb_emit_byte (mb, CEE_MONO_RESTORE_LMF);
898 mono_mb_emit_icall (MonoMethodBuilder *mb, gpointer func)
900 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
901 mono_mb_emit_byte (mb, CEE_MONO_ICALL);
902 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, func));
906 mono_mb_emit_exception_full (MonoMethodBuilder *mb, const char *exc_nspace, const char *exc_name, const char *msg)
908 MonoMethod *ctor = NULL;
910 MonoClass *mme = mono_class_from_name (mono_defaults.corlib, exc_nspace, exc_name);
911 mono_class_init (mme);
912 ctor = mono_class_get_method_from_name (mme, ".ctor", 0);
914 mono_mb_emit_byte (mb, CEE_NEWOBJ);
915 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, ctor));
917 mono_mb_emit_byte (mb, CEE_DUP);
918 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoException, message));
919 mono_mb_emit_ldstr (mb, (char*)msg);
920 mono_mb_emit_byte (mb, CEE_STIND_I);
922 mono_mb_emit_byte (mb, CEE_THROW);
926 mono_mb_emit_exception (MonoMethodBuilder *mb, const char *exc_name, const char *msg)
928 mono_mb_emit_exception_full (mb, "System", exc_name, msg);
932 mono_mb_emit_exception_marshal_directive (MonoMethodBuilder *mb, const char *msg)
934 mono_mb_emit_exception_full (mb, "System.Runtime.InteropServices", "MarshalDirectiveException", msg);
938 mono_mb_emit_add_to_local (MonoMethodBuilder *mb, guint16 local, gint32 incr)
940 mono_mb_emit_ldloc (mb, local);
941 mono_mb_emit_icon (mb, incr);
942 mono_mb_emit_byte (mb, CEE_ADD);
943 mono_mb_emit_stloc (mb, local);
947 emit_ptr_to_object_conv (MonoMethodBuilder *mb, MonoType *type, MonoMarshalConv conv,
948 int usize, int msize, MonoMarshalSpec *mspec)
951 case MONO_MARSHAL_CONV_BOOL_I4:
952 mono_mb_emit_byte (mb, CEE_LDLOC_1);
953 mono_mb_emit_byte (mb, CEE_LDLOC_0);
954 mono_mb_emit_byte (mb, CEE_LDIND_I4);
955 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
956 mono_mb_emit_byte (mb, 3);
957 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
958 mono_mb_emit_byte (mb, CEE_BR_S);
959 mono_mb_emit_byte (mb, 1);
960 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
961 mono_mb_emit_byte (mb, CEE_STIND_I1);
963 case MONO_MARSHAL_CONV_BOOL_VARIANTBOOL:
964 mono_mb_emit_byte (mb, CEE_LDLOC_1);
965 mono_mb_emit_byte (mb, CEE_LDLOC_0);
966 mono_mb_emit_byte (mb, CEE_LDIND_I2);
967 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
968 mono_mb_emit_byte (mb, 3);
969 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
970 mono_mb_emit_byte (mb, CEE_BR_S);
971 mono_mb_emit_byte (mb, 1);
972 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
973 mono_mb_emit_byte (mb, CEE_STIND_I1);
975 case MONO_MARSHAL_CONV_ARRAY_BYVALARRAY: {
976 MonoClass *eclass = NULL;
979 if (type->type == MONO_TYPE_SZARRAY) {
980 eclass = type->data.klass;
982 g_assert_not_reached ();
985 if (eclass->valuetype)
986 esize = mono_class_instance_size (eclass) - sizeof (MonoObject);
988 esize = sizeof (gpointer);
990 /* create a new array */
991 mono_mb_emit_byte (mb, CEE_LDLOC_1);
992 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
993 mono_mb_emit_byte (mb, CEE_NEWARR);
994 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, eclass));
995 mono_mb_emit_byte (mb, CEE_STIND_I);
997 /* copy the elements */
998 mono_mb_emit_byte (mb, CEE_LDLOC_1);
999 mono_mb_emit_byte (mb, CEE_LDIND_I);
1000 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArray, vector));
1001 mono_mb_emit_byte (mb, CEE_ADD);
1002 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1003 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem * esize);
1004 mono_mb_emit_byte (mb, CEE_PREFIX1);
1005 mono_mb_emit_byte (mb, CEE_CPBLK);
1009 case MONO_MARSHAL_CONV_STR_BYVALSTR:
1010 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1011 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1012 mono_mb_emit_icall (mb, mono_string_new_wrapper);
1013 mono_mb_emit_byte (mb, CEE_STIND_I);
1015 case MONO_MARSHAL_CONV_STR_BYVALWSTR:
1016 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1017 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1018 mono_mb_emit_icall (mb, mono_string_from_utf16);
1019 mono_mb_emit_byte (mb, CEE_STIND_I);
1021 case MONO_MARSHAL_CONV_STR_LPTSTR:
1022 case MONO_MARSHAL_CONV_STR_LPSTR:
1023 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1024 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1025 mono_mb_emit_byte (mb, CEE_LDIND_I);
1026 mono_mb_emit_icall (mb, mono_string_new_wrapper);
1027 mono_mb_emit_byte (mb, CEE_STIND_I);
1029 case MONO_MARSHAL_CONV_STR_LPWSTR:
1030 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1031 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1032 mono_mb_emit_byte (mb, CEE_LDIND_I);
1033 mono_mb_emit_icall (mb, mono_string_from_utf16);
1034 mono_mb_emit_byte (mb, CEE_STIND_I);
1036 case MONO_MARSHAL_CONV_OBJECT_STRUCT: {
1037 MonoClass *klass = mono_class_from_mono_type (type);
1038 int src_var, dst_var;
1040 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1041 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1043 /* *dst = new object */
1044 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1045 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1046 mono_mb_emit_byte (mb, CEE_MONO_NEWOBJ);
1047 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
1048 mono_mb_emit_byte (mb, CEE_STIND_I);
1050 /* save the old src pointer */
1051 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1052 mono_mb_emit_stloc (mb, src_var);
1053 /* save the old dst pointer */
1054 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1055 mono_mb_emit_stloc (mb, dst_var);
1057 /* dst = pointer to newly created object data */
1058 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1059 mono_mb_emit_byte (mb, CEE_LDIND_I);
1060 mono_mb_emit_icon (mb, sizeof (MonoObject));
1061 mono_mb_emit_byte (mb, CEE_ADD);
1062 mono_mb_emit_byte (mb, CEE_STLOC_1);
1064 emit_struct_conv (mb, klass, TRUE);
1066 /* restore the old src pointer */
1067 mono_mb_emit_ldloc (mb, src_var);
1068 mono_mb_emit_byte (mb, CEE_STLOC_0);
1069 /* restore the old dst pointer */
1070 mono_mb_emit_ldloc (mb, dst_var);
1071 mono_mb_emit_byte (mb, CEE_STLOC_1);
1074 case MONO_MARSHAL_CONV_DEL_FTN: {
1075 MonoClass *klass = mono_class_from_mono_type (type);
1077 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1078 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1079 mono_mb_emit_byte (mb, CEE_MONO_CLASSCONST);
1080 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
1081 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1082 mono_mb_emit_byte (mb, CEE_LDIND_I);
1083 mono_mb_emit_icall (mb, mono_ftnptr_to_delegate);
1084 mono_mb_emit_byte (mb, CEE_STIND_I);
1087 case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
1088 g_error ("Structure field of type %s can't be marshalled as LPArray", mono_class_from_mono_type (type)->name);
1090 case MONO_MARSHAL_CONV_STR_BSTR:
1091 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
1092 case MONO_MARSHAL_CONV_STR_TBSTR:
1093 case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
1095 g_warning ("marshaling conversion %d not implemented", conv);
1096 g_assert_not_reached ();
1101 conv_to_icall (MonoMarshalConv conv)
1104 case MONO_MARSHAL_CONV_STR_LPWSTR:
1105 return mono_marshal_string_to_utf16;
1106 case MONO_MARSHAL_CONV_LPWSTR_STR:
1107 return mono_string_from_utf16;
1108 case MONO_MARSHAL_CONV_LPSTR_STR:
1109 return mono_string_new_wrapper;
1110 case MONO_MARSHAL_CONV_STR_LPTSTR:
1111 case MONO_MARSHAL_CONV_STR_LPSTR:
1112 return mono_string_to_lpstr;
1113 case MONO_MARSHAL_CONV_STR_BSTR:
1114 return mono_string_to_bstr;
1115 case MONO_MARSHAL_CONV_STR_TBSTR:
1116 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
1117 return mono_string_to_ansibstr;
1118 case MONO_MARSHAL_CONV_SB_LPSTR:
1119 case MONO_MARSHAL_CONV_SB_LPTSTR:
1120 return mono_string_builder_to_utf8;
1121 case MONO_MARSHAL_CONV_SB_LPWSTR:
1122 return mono_string_builder_to_utf16;
1123 case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
1124 return mono_array_to_savearray;
1125 case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
1126 return mono_array_to_lparray;
1127 case MONO_MARSHAL_CONV_DEL_FTN:
1128 return mono_delegate_to_ftnptr;
1129 case MONO_MARSHAL_CONV_FTN_DEL:
1130 return mono_ftnptr_to_delegate;
1131 case MONO_MARSHAL_CONV_LPSTR_SB:
1132 case MONO_MARSHAL_CONV_LPTSTR_SB:
1133 return mono_string_utf8_to_builder;
1134 case MONO_MARSHAL_CONV_LPWSTR_SB:
1135 return mono_string_utf16_to_builder;
1136 case MONO_MARSHAL_FREE_ARRAY:
1137 return mono_marshal_free_array;
1138 case MONO_MARSHAL_CONV_STR_BYVALSTR:
1139 return mono_string_to_byvalstr;
1140 case MONO_MARSHAL_CONV_STR_BYVALWSTR:
1141 return mono_string_to_byvalwstr;
1143 g_assert_not_reached ();
1150 emit_object_to_ptr_conv (MonoMethodBuilder *mb, MonoType *type, MonoMarshalConv conv, int usize, int msize,
1151 MonoMarshalSpec *mspec)
1156 case MONO_MARSHAL_CONV_BOOL_I4:
1157 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1158 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1159 mono_mb_emit_byte (mb, CEE_LDIND_U1);
1160 mono_mb_emit_byte (mb, CEE_STIND_I4);
1162 case MONO_MARSHAL_CONV_BOOL_VARIANTBOOL:
1163 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1164 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1165 mono_mb_emit_byte (mb, CEE_LDIND_U1);
1166 mono_mb_emit_byte (mb, CEE_NEG);
1167 mono_mb_emit_byte (mb, CEE_STIND_I2);
1169 case MONO_MARSHAL_CONV_STR_LPWSTR:
1170 case MONO_MARSHAL_CONV_STR_LPSTR:
1171 case MONO_MARSHAL_CONV_STR_LPTSTR:
1172 case MONO_MARSHAL_CONV_STR_BSTR:
1173 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
1174 case MONO_MARSHAL_CONV_STR_TBSTR: {
1177 /* free space if free == true */
1178 mono_mb_emit_byte (mb, CEE_LDLOC_2);
1179 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
1181 mono_mb_emit_byte (mb, 0);
1182 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1183 mono_mb_emit_byte (mb, CEE_LDIND_I);
1184 mono_mb_emit_icall (mb, g_free);
1185 mono_mb_patch_addr_s (mb, pos, mb->pos - pos - 1);
1187 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1188 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1189 mono_mb_emit_byte (mb, CEE_LDIND_I);
1190 mono_mb_emit_icall (mb, conv_to_icall (conv));
1191 mono_mb_emit_byte (mb, CEE_STIND_I);
1194 case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
1195 case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
1196 case MONO_MARSHAL_CONV_DEL_FTN:
1197 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1198 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1199 mono_mb_emit_byte (mb, CEE_LDIND_I);
1200 mono_mb_emit_icall (mb, conv_to_icall (conv));
1201 mono_mb_emit_byte (mb, CEE_STIND_I);
1203 case MONO_MARSHAL_CONV_STR_BYVALSTR:
1204 case MONO_MARSHAL_CONV_STR_BYVALWSTR: {
1208 mono_mb_emit_byte (mb, CEE_LDLOC_1); /* dst */
1209 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1210 mono_mb_emit_byte (mb, CEE_LDIND_I); /* src String */
1211 mono_mb_emit_icon (mb, usize);
1212 mono_mb_emit_icall (mb, conv_to_icall (conv));
1215 case MONO_MARSHAL_CONV_ARRAY_BYVALARRAY: {
1216 MonoClass *eclass = NULL;
1219 if (type->type == MONO_TYPE_SZARRAY) {
1220 eclass = type->data.klass;
1222 g_assert_not_reached ();
1225 if (eclass->valuetype)
1226 esize = mono_class_native_size (eclass, NULL);
1228 esize = sizeof (gpointer);
1233 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1234 mono_mb_emit_byte (mb, CEE_LDIND_I);
1235 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
1237 mono_mb_emit_byte (mb, 0);
1239 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1240 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1241 mono_mb_emit_byte (mb, CEE_LDIND_I);
1242 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1243 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
1244 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArray, vector));
1245 mono_mb_emit_byte (mb, CEE_ADD);
1246 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem * esize);
1247 mono_mb_emit_byte (mb, CEE_PREFIX1);
1248 mono_mb_emit_byte (mb, CEE_CPBLK);
1249 mono_mb_patch_addr_s (mb, pos, mb->pos - pos - 1);
1252 case MONO_MARSHAL_CONV_OBJECT_STRUCT: {
1253 int src_var, dst_var;
1255 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1256 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1258 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1259 mono_mb_emit_byte (mb, CEE_LDIND_I);
1260 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
1262 mono_mb_emit_byte (mb, 0);
1264 /* save the old src pointer */
1265 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1266 mono_mb_emit_stloc (mb, src_var);
1267 /* save the old dst pointer */
1268 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1269 mono_mb_emit_stloc (mb, dst_var);
1271 /* src = pointer to object data */
1272 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1273 mono_mb_emit_byte (mb, CEE_LDIND_I);
1274 mono_mb_emit_icon (mb, sizeof (MonoObject));
1275 mono_mb_emit_byte (mb, CEE_ADD);
1276 mono_mb_emit_byte (mb, CEE_STLOC_0);
1278 emit_struct_conv (mb, mono_class_from_mono_type (type), FALSE);
1280 /* restore the old src pointer */
1281 mono_mb_emit_ldloc (mb, src_var);
1282 mono_mb_emit_byte (mb, CEE_STLOC_0);
1283 /* restore the old dst pointer */
1284 mono_mb_emit_ldloc (mb, dst_var);
1285 mono_mb_emit_byte (mb, CEE_STLOC_1);
1287 mono_mb_patch_addr_s (mb, pos, mb->pos - pos - 1);
1291 char *msg = g_strdup_printf ("marshalling conversion %d not implemented", conv);
1292 MonoException *exc = mono_get_exception_not_implemented (msg);
1295 mono_raise_exception (exc);
1301 emit_struct_conv (MonoMethodBuilder *mb, MonoClass *klass, gboolean to_object)
1303 MonoMarshalType *info;
1307 emit_struct_conv(mb, klass->parent, to_object);
1309 info = mono_marshal_load_type_info (klass);
1311 if (info->native_size == 0)
1314 if (klass->blittable) {
1315 int msize = mono_class_value_size (klass, NULL);
1316 g_assert (msize == info->native_size);
1317 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1318 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1319 mono_mb_emit_icon (mb, msize);
1320 mono_mb_emit_byte (mb, CEE_PREFIX1);
1321 mono_mb_emit_byte (mb, CEE_CPBLK);
1323 mono_mb_emit_add_to_local (mb, 0, msize);
1324 mono_mb_emit_add_to_local (mb, 1, msize);
1328 for (i = 0; i < info->num_fields; i++) {
1329 MonoMarshalNative ntype;
1330 MonoMarshalConv conv;
1331 MonoType *ftype = info->fields [i].field->type;
1334 gboolean last_field = i < (info->num_fields -1) ? 0 : 1;
1336 if (ftype->attrs & FIELD_ATTRIBUTE_STATIC)
1339 ntype = mono_type_to_unmanaged (ftype, info->fields [i].mspec, TRUE, klass->unicode, &conv);
1342 msize = klass->instance_size - info->fields [i].field->offset;
1343 usize = info->native_size - info->fields [i].offset;
1345 msize = info->fields [i + 1].field->offset - info->fields [i].field->offset;
1346 usize = info->fields [i + 1].offset - info->fields [i].offset;
1348 if ((msize < 0) || (usize < 0))
1349 /* This happens with GC aware auto layout */
1350 g_error ("Type %s which is passed to unmanaged code must have a StructLayout attribute", mono_type_full_name (&klass->byval_arg));
1352 g_assert ((msize >= 0) && (usize >= 0));
1355 case MONO_MARSHAL_CONV_NONE: {
1358 if (ftype->byref || ftype->type == MONO_TYPE_I ||
1359 ftype->type == MONO_TYPE_U) {
1360 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1361 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1362 mono_mb_emit_byte (mb, CEE_LDIND_I);
1363 mono_mb_emit_byte (mb, CEE_STIND_I);
1372 #if SIZEOF_VOID_P == 4
1375 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1376 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1377 mono_mb_emit_byte (mb, CEE_LDIND_I4);
1378 mono_mb_emit_byte (mb, CEE_STIND_I4);
1382 case MONO_TYPE_BOOLEAN:
1383 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1384 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1385 mono_mb_emit_byte (mb, CEE_LDIND_I1);
1386 mono_mb_emit_byte (mb, CEE_STIND_I1);
1390 case MONO_TYPE_CHAR:
1391 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1392 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1393 mono_mb_emit_byte (mb, CEE_LDIND_I2);
1394 mono_mb_emit_byte (mb, CEE_STIND_I2);
1398 #if SIZEOF_VOID_P == 8
1401 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1402 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1403 mono_mb_emit_byte (mb, CEE_LDIND_I8);
1404 mono_mb_emit_byte (mb, CEE_STIND_I8);
1407 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1408 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1409 mono_mb_emit_byte (mb, CEE_LDIND_R4);
1410 mono_mb_emit_byte (mb, CEE_STIND_R4);
1413 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1414 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1415 mono_mb_emit_byte (mb, CEE_LDIND_R8);
1416 mono_mb_emit_byte (mb, CEE_STIND_R8);
1418 case MONO_TYPE_VALUETYPE:
1419 if (ftype->data.klass->enumtype) {
1420 t = ftype->data.klass->enum_basetype->type;
1423 emit_struct_conv (mb, ftype->data.klass, to_object);
1426 g_warning ("marshaling type %02x not implemented", ftype->type);
1427 g_assert_not_reached ();
1433 emit_ptr_to_object_conv (mb, ftype, conv, usize, msize, info->fields [i].mspec);
1435 emit_object_to_ptr_conv (mb, ftype, conv, usize, msize, info->fields [i].mspec);
1439 mono_mb_emit_add_to_local (mb, 0, usize);
1440 mono_mb_emit_add_to_local (mb, 1, msize);
1442 mono_mb_emit_add_to_local (mb, 0, msize);
1443 mono_mb_emit_add_to_local (mb, 1, usize);
1449 emit_struct_free (MonoMethodBuilder *mb, MonoClass *klass, int struct_var)
1451 /* Call DestroyStructure */
1452 /* FIXME: Only do this if needed */
1453 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1454 mono_mb_emit_byte (mb, CEE_MONO_CLASSCONST);
1455 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
1456 mono_mb_emit_ldloc (mb, struct_var);
1457 mono_mb_emit_icall (mb, mono_struct_delete_old);
1461 emit_thread_interrupt_checkpoint_call (MonoMethodBuilder *mb, gpointer checkpoint_func)
1465 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1466 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
1467 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, (gpointer) mono_thread_interruption_request_flag ()));
1468 mono_mb_emit_byte (mb, CEE_LDIND_I4);
1469 pos_noabort = mono_mb_emit_branch (mb, CEE_BRFALSE);
1471 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1472 mono_mb_emit_byte (mb, CEE_MONO_NOT_TAKEN);
1474 mono_mb_emit_icall (mb, checkpoint_func);
1476 mono_mb_patch_addr (mb, pos_noabort, mb->pos - (pos_noabort + 4));
1480 emit_thread_interrupt_checkpoint (MonoMethodBuilder *mb)
1482 if (strstr (mb->method->name, "mono_thread_interruption_checkpoint"))
1485 emit_thread_interrupt_checkpoint_call (mb, mono_thread_interruption_checkpoint);
1489 emit_thread_force_interrupt_checkpoint (MonoMethodBuilder *mb)
1491 emit_thread_interrupt_checkpoint_call (mb, mono_thread_force_interruption_checkpoint);
1494 static MonoAsyncResult *
1495 mono_delegate_begin_invoke (MonoDelegate *delegate, gpointer *params)
1497 MonoMethodMessage *msg;
1498 MonoDelegate *async_callback;
1502 MonoMethod *method = NULL, *method2 = NULL;
1504 g_assert (delegate);
1506 if (delegate->target && mono_object_class (delegate->target) == mono_defaults.transparent_proxy_class) {
1508 MonoTransparentProxy* tp = (MonoTransparentProxy *)delegate->target;
1509 if (!tp->remote_class->proxy_class->contextbound || tp->rp->context != (MonoObject *) mono_context_get ()) {
1511 /* If the target is a proxy, make a direct call. Is proxy's work
1512 // to make the call asynchronous.
1514 MonoAsyncResult *ares;
1516 MonoArray *out_args;
1518 method = delegate->method_info->method;
1520 msg = mono_method_call_message_new (mono_marshal_method_from_wrapper (method), params, NULL, &async_callback, &state);
1521 handle = CreateEvent (NULL, TRUE, FALSE, NULL);
1522 ares = mono_async_result_new (mono_domain_get (), handle, state, handle);
1523 ares->async_delegate = (MonoObject *)delegate;
1524 ares->async_callback = (MonoObject *)async_callback;
1525 msg->async_result = ares;
1526 msg->call_type = CallType_BeginInvoke;
1528 mono_remoting_invoke ((MonoObject *)tp->rp, msg, &exc, &out_args);
1533 klass = delegate->object.vtable->klass;
1535 method = mono_get_delegate_invoke (klass);
1536 method2 = mono_class_get_method_from_name (klass, "BeginInvoke", -1);
1539 g_assert (method != NULL);
1541 im = mono_get_delegate_invoke (method->klass);
1542 msg = mono_method_call_message_new (method, params, im, &async_callback, &state);
1544 return mono_thread_pool_add ((MonoObject *)delegate, msg, async_callback, state);
1548 mono_mb_emit_save_args (MonoMethodBuilder *mb, MonoMethodSignature *sig, gboolean save_this)
1550 int i, params_var, tmp_var;
1552 /* allocate local (pointer) *params[] */
1553 params_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1554 /* allocate local (pointer) tmp */
1555 tmp_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1557 /* alloate space on stack to store an array of pointers to the arguments */
1558 mono_mb_emit_icon (mb, sizeof (gpointer) * (sig->param_count + 1));
1559 mono_mb_emit_byte (mb, CEE_PREFIX1);
1560 mono_mb_emit_byte (mb, CEE_LOCALLOC);
1561 mono_mb_emit_stloc (mb, params_var);
1564 mono_mb_emit_ldloc (mb, params_var);
1565 mono_mb_emit_stloc (mb, tmp_var);
1567 if (save_this && sig->hasthis) {
1568 mono_mb_emit_ldloc (mb, tmp_var);
1569 mono_mb_emit_ldarg_addr (mb, 0);
1570 mono_mb_emit_byte (mb, CEE_STIND_I);
1571 /* tmp = tmp + sizeof (gpointer) */
1572 if (sig->param_count)
1573 mono_mb_emit_add_to_local (mb, tmp_var, sizeof (gpointer));
1577 for (i = 0; i < sig->param_count; i++) {
1578 mono_mb_emit_ldloc (mb, tmp_var);
1579 mono_mb_emit_ldarg_addr (mb, i + sig->hasthis);
1580 mono_mb_emit_byte (mb, CEE_STIND_I);
1581 /* tmp = tmp + sizeof (gpointer) */
1582 if (i < (sig->param_count - 1))
1583 mono_mb_emit_add_to_local (mb, tmp_var, sizeof (gpointer));
1590 mono_signature_to_name (MonoMethodSignature *sig, const char *prefix)
1594 GString *res = g_string_new ("");
1597 g_string_append (res, prefix);
1598 g_string_append_c (res, '_');
1601 mono_type_get_desc (res, sig->ret, FALSE);
1603 for (i = 0; i < sig->param_count; ++i) {
1604 g_string_append_c (res, '_');
1605 mono_type_get_desc (res, sig->params [i], FALSE);
1608 g_string_free (res, FALSE);
1613 * mono_marshal_get_string_encoding:
1615 * Return the string encoding which should be used for a given parameter.
1617 static MonoMarshalNative
1618 mono_marshal_get_string_encoding (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
1620 /* First try the parameter marshal info */
1622 if (spec->native == MONO_NATIVE_LPARRAY) {
1623 if ((spec->data.array_data.elem_type != 0) && (spec->data.array_data.elem_type != MONO_NATIVE_MAX))
1624 return spec->data.array_data.elem_type;
1627 return spec->native;
1631 return MONO_NATIVE_LPSTR;
1633 /* Then try the method level marshal info */
1634 switch (piinfo->piflags & PINVOKE_ATTRIBUTE_CHAR_SET_MASK) {
1635 case PINVOKE_ATTRIBUTE_CHAR_SET_ANSI:
1636 return MONO_NATIVE_LPSTR;
1637 case PINVOKE_ATTRIBUTE_CHAR_SET_UNICODE:
1638 return MONO_NATIVE_LPWSTR;
1639 case PINVOKE_ATTRIBUTE_CHAR_SET_AUTO:
1640 #ifdef PLATFORM_WIN32
1641 return MONO_NATIVE_LPWSTR;
1643 return MONO_NATIVE_LPTSTR;
1646 return MONO_NATIVE_LPSTR;
1650 static MonoMarshalConv
1651 mono_marshal_get_string_to_ptr_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
1653 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
1656 case MONO_NATIVE_LPWSTR:
1657 return MONO_MARSHAL_CONV_STR_LPWSTR;
1658 case MONO_NATIVE_LPSTR:
1659 return MONO_MARSHAL_CONV_STR_LPSTR;
1660 case MONO_NATIVE_LPTSTR:
1661 return MONO_MARSHAL_CONV_STR_LPTSTR;
1667 static MonoMarshalConv
1668 mono_marshal_get_stringbuilder_to_ptr_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
1670 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
1673 case MONO_NATIVE_LPWSTR:
1674 return MONO_MARSHAL_CONV_SB_LPWSTR;
1676 case MONO_NATIVE_LPSTR:
1677 return MONO_MARSHAL_CONV_SB_LPSTR;
1679 case MONO_NATIVE_LPTSTR:
1680 return MONO_MARSHAL_CONV_SB_LPTSTR;
1687 static MonoMarshalConv
1688 mono_marshal_get_ptr_to_string_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec, gboolean *need_free)
1690 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
1695 case MONO_NATIVE_LPWSTR:
1696 return MONO_MARSHAL_CONV_LPWSTR_STR;
1697 case MONO_NATIVE_LPSTR:
1698 return MONO_MARSHAL_CONV_LPSTR_STR;
1699 case MONO_NATIVE_LPTSTR:
1700 return MONO_MARSHAL_CONV_LPTSTR_STR;
1706 static MonoMarshalConv
1707 mono_marshal_get_ptr_to_stringbuilder_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec, gboolean *need_free)
1709 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
1714 case MONO_NATIVE_LPWSTR:
1716 * mono_string_builder_to_utf16 does not allocate a
1717 * new buffer, so no need to free it.
1720 return MONO_MARSHAL_CONV_LPWSTR_SB;
1721 case MONO_NATIVE_LPSTR:
1722 return MONO_MARSHAL_CONV_LPSTR_SB;
1724 case MONO_NATIVE_LPTSTR:
1725 return MONO_MARSHAL_CONV_LPTSTR_SB;
1733 * Return whenever a field of a native structure or an array member needs to
1737 mono_marshal_need_free (MonoType *t, MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
1739 MonoMarshalNative encoding;
1740 MonoMarshalConv conv;
1743 case MONO_TYPE_VALUETYPE:
1744 /* FIXME: Optimize this */
1746 case MONO_TYPE_OBJECT:
1747 case MONO_TYPE_CLASS:
1748 if (t->data.klass == mono_defaults.stringbuilder_class) {
1750 conv = mono_marshal_get_ptr_to_stringbuilder_conv (piinfo, spec, &need_free);
1754 case MONO_TYPE_STRING:
1755 encoding = mono_marshal_get_string_encoding (piinfo, spec);
1756 return (encoding == MONO_NATIVE_LPWSTR) ? FALSE : TRUE;
1762 static inline MonoMethod*
1763 mono_marshal_find_in_cache (GHashTable *cache, gpointer key)
1767 EnterCriticalSection (&marshal_mutex);
1768 res = g_hash_table_lookup (cache, key);
1769 LeaveCriticalSection (&marshal_mutex);
1773 /* Create the method from the builder and place it in the cache */
1774 static inline MonoMethod*
1775 mono_mb_create_and_cache (GHashTable *cache, gpointer key,
1776 MonoMethodBuilder *mb, MonoMethodSignature *sig,
1781 EnterCriticalSection (&marshal_mutex);
1782 res = g_hash_table_lookup (cache, key);
1784 /* This does not acquire any locks */
1785 res = mono_mb_create_method (mb, sig, max_stack);
1786 g_hash_table_insert (cache, key, res);
1787 g_hash_table_insert (wrapper_hash, res, key);
1789 LeaveCriticalSection (&marshal_mutex);
1795 static inline MonoMethod*
1796 mono_marshal_remoting_find_in_cache (MonoMethod *method, int wrapper_type)
1798 MonoMethod *res = NULL;
1799 MonoRemotingMethods *wrps;
1801 EnterCriticalSection (&marshal_mutex);
1802 wrps = g_hash_table_lookup (method->klass->image->remoting_invoke_cache, method);
1805 switch (wrapper_type) {
1806 case MONO_WRAPPER_REMOTING_INVOKE: res = wrps->invoke; break;
1807 case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK: res = wrps->invoke_with_check; break;
1808 case MONO_WRAPPER_XDOMAIN_INVOKE: res = wrps->xdomain_invoke; break;
1809 case MONO_WRAPPER_XDOMAIN_DISPATCH: res = wrps->xdomain_dispatch; break;
1813 LeaveCriticalSection (&marshal_mutex);
1817 /* Create the method from the builder and place it in the cache */
1818 static inline MonoMethod*
1819 mono_remoting_mb_create_and_cache (MonoMethod *key, MonoMethodBuilder *mb,
1820 MonoMethodSignature *sig, int max_stack)
1822 MonoMethod **res = NULL;
1823 MonoRemotingMethods *wrps;
1824 GHashTable *cache = key->klass->image->remoting_invoke_cache;
1826 EnterCriticalSection (&marshal_mutex);
1827 wrps = g_hash_table_lookup (cache, key);
1829 wrps = g_new0 (MonoRemotingMethods, 1);
1830 g_hash_table_insert (cache, key, wrps);
1833 switch (mb->method->wrapper_type) {
1834 case MONO_WRAPPER_REMOTING_INVOKE: res = &wrps->invoke; break;
1835 case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK: res = &wrps->invoke_with_check; break;
1836 case MONO_WRAPPER_XDOMAIN_INVOKE: res = &wrps->xdomain_invoke; break;
1837 case MONO_WRAPPER_XDOMAIN_DISPATCH: res = &wrps->xdomain_dispatch; break;
1838 default: g_assert_not_reached (); break;
1842 /* This does not acquire any locks */
1843 *res = mono_mb_create_method (mb, sig, max_stack);
1844 g_hash_table_insert (wrapper_hash, *res, key);
1847 LeaveCriticalSection (&marshal_mutex);
1853 mono_marshal_method_from_wrapper (MonoMethod *wrapper)
1857 if (wrapper->wrapper_type == MONO_WRAPPER_NONE)
1860 EnterCriticalSection (&marshal_mutex);
1861 res = g_hash_table_lookup (wrapper_hash, wrapper);
1862 LeaveCriticalSection (&marshal_mutex);
1867 mono_marshal_get_delegate_begin_invoke (MonoMethod *method)
1869 MonoMethodSignature *sig;
1870 static MonoMethodSignature *csig = NULL;
1871 MonoMethodBuilder *mb;
1877 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
1878 !strcmp (method->name, "BeginInvoke"));
1880 sig = signature_no_pinvoke (mono_method_signature (method));
1882 cache = method->klass->image->delegate_begin_invoke_cache;
1883 if ((res = mono_marshal_find_in_cache (cache, sig)))
1886 g_assert (sig->hasthis);
1889 csig = mono_metadata_signature_alloc (method->klass->image, 2);
1891 /* MonoAsyncResult * begin_invoke (MonoDelegate *delegate, gpointer params[]) */
1892 csig->ret = &mono_defaults.object_class->byval_arg;
1893 csig->params [0] = &mono_defaults.object_class->byval_arg;
1894 csig->params [1] = &mono_defaults.int_class->byval_arg;
1897 name = mono_signature_to_name (sig, "begin_invoke");
1898 mb = mono_mb_new (mono_defaults.multicastdelegate_class, name, MONO_WRAPPER_DELEGATE_BEGIN_INVOKE);
1901 mb->method->save_lmf = 1;
1903 params_var = mono_mb_emit_save_args (mb, sig, FALSE);
1905 mono_mb_emit_ldarg (mb, 0);
1906 mono_mb_emit_ldloc (mb, params_var);
1907 mono_mb_emit_native_call (mb, csig, mono_delegate_begin_invoke);
1908 emit_thread_interrupt_checkpoint (mb);
1909 mono_mb_emit_byte (mb, CEE_RET);
1911 res = mono_mb_create_and_cache (cache, sig, mb, sig, sig->param_count + 16);
1917 mono_delegate_end_invoke (MonoDelegate *delegate, gpointer *params)
1919 MonoDomain *domain = mono_domain_get ();
1920 MonoAsyncResult *ares;
1921 MonoMethod *method = NULL;
1922 MonoMethodSignature *sig;
1923 MonoMethodMessage *msg;
1924 MonoObject *res, *exc;
1925 MonoArray *out_args;
1928 g_assert (delegate);
1930 if (!delegate->method_info || !delegate->method_info->method)
1931 g_assert_not_reached ();
1933 klass = delegate->object.vtable->klass;
1935 method = mono_class_get_method_from_name (klass, "EndInvoke", -1);
1936 g_assert (method != NULL);
1938 sig = signature_no_pinvoke (mono_method_signature (method));
1940 msg = mono_method_call_message_new (method, params, NULL, NULL, NULL);
1942 ares = mono_array_get (msg->args, gpointer, sig->param_count - 1);
1945 if (delegate->target && mono_object_class (delegate->target) == mono_defaults.transparent_proxy_class) {
1946 MonoTransparentProxy* tp = (MonoTransparentProxy *)delegate->target;
1947 msg = (MonoMethodMessage *)mono_object_new (domain, mono_defaults.mono_method_message_class);
1948 mono_message_init (domain, msg, delegate->method_info, NULL);
1949 msg->call_type = CallType_EndInvoke;
1950 msg->async_result = ares;
1951 res = mono_remoting_invoke ((MonoObject *)tp->rp, msg, &exc, &out_args);
1954 res = mono_thread_pool_finish (ares, &out_args, &exc);
1957 if (((MonoException*)exc)->stack_trace) {
1958 char *strace = mono_string_to_utf8 (((MonoException*)exc)->stack_trace);
1960 tmp = g_strdup_printf ("%s\nException Rethrown at:\n", strace);
1962 ((MonoException*)exc)->stack_trace = mono_string_new (domain, tmp);
1965 mono_raise_exception ((MonoException*)exc);
1968 mono_method_return_message_restore (method, params, out_args);
1973 mono_mb_emit_restore_result (MonoMethodBuilder *mb, MonoType *return_type)
1975 if (return_type->byref)
1976 return_type = &mono_defaults.int_class->byval_arg;
1977 else if (return_type->type == MONO_TYPE_VALUETYPE && return_type->data.klass->enumtype)
1978 return_type = return_type->data.klass->enum_basetype;
1980 switch (return_type->type) {
1981 case MONO_TYPE_VOID:
1982 g_assert_not_reached ();
1985 case MONO_TYPE_STRING:
1986 case MONO_TYPE_CLASS:
1987 case MONO_TYPE_OBJECT:
1988 case MONO_TYPE_ARRAY:
1989 case MONO_TYPE_SZARRAY:
1993 case MONO_TYPE_BOOLEAN:
1994 mono_mb_emit_byte (mb, CEE_UNBOX);
1995 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
1996 mono_mb_emit_byte (mb, CEE_LDIND_U1);
1999 mono_mb_emit_byte (mb, CEE_UNBOX);
2000 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
2001 mono_mb_emit_byte (mb, CEE_LDIND_I1);
2004 case MONO_TYPE_CHAR:
2005 mono_mb_emit_byte (mb, CEE_UNBOX);
2006 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
2007 mono_mb_emit_byte (mb, CEE_LDIND_U2);
2010 mono_mb_emit_byte (mb, CEE_UNBOX);
2011 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
2012 mono_mb_emit_byte (mb, CEE_LDIND_I2);
2016 mono_mb_emit_byte (mb, CEE_UNBOX);
2017 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
2018 mono_mb_emit_byte (mb, CEE_LDIND_I);
2021 mono_mb_emit_byte (mb, CEE_UNBOX);
2022 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
2023 mono_mb_emit_byte (mb, CEE_LDIND_I4);
2026 mono_mb_emit_byte (mb, CEE_UNBOX);
2027 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
2028 mono_mb_emit_byte (mb, CEE_LDIND_U4);
2032 mono_mb_emit_byte (mb, CEE_UNBOX);
2033 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
2034 mono_mb_emit_byte (mb, CEE_LDIND_I8);
2037 mono_mb_emit_byte (mb, CEE_UNBOX);
2038 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
2039 mono_mb_emit_byte (mb, CEE_LDIND_R4);
2042 mono_mb_emit_byte (mb, CEE_UNBOX);
2043 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
2044 mono_mb_emit_byte (mb, CEE_LDIND_R8);
2046 case MONO_TYPE_VALUETYPE: {
2048 mono_mb_emit_byte (mb, CEE_UNBOX);
2049 class = mono_mb_add_data (mb, mono_class_from_mono_type (return_type));
2050 mono_mb_emit_i4 (mb, class);
2051 mono_mb_emit_byte (mb, CEE_LDOBJ);
2052 mono_mb_emit_i4 (mb, class);
2056 g_warning ("type 0x%x not handled", return_type->type);
2057 g_assert_not_reached ();
2060 mono_mb_emit_byte (mb, CEE_RET);
2064 mono_marshal_get_delegate_end_invoke (MonoMethod *method)
2066 MonoMethodSignature *sig;
2067 static MonoMethodSignature *csig = NULL;
2068 MonoMethodBuilder *mb;
2074 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
2075 !strcmp (method->name, "EndInvoke"));
2077 sig = signature_no_pinvoke (mono_method_signature (method));
2079 cache = method->klass->image->delegate_end_invoke_cache;
2080 if ((res = mono_marshal_find_in_cache (cache, sig)))
2083 g_assert (sig->hasthis);
2086 csig = mono_metadata_signature_alloc (method->klass->image, 2);
2088 /* MonoObject *end_invoke (MonoDelegate *delegate, gpointer params[]) */
2089 csig->ret = &mono_defaults.object_class->byval_arg;
2090 csig->params [0] = &mono_defaults.object_class->byval_arg;
2091 csig->params [1] = &mono_defaults.int_class->byval_arg;
2094 name = mono_signature_to_name (sig, "end_invoke");
2095 mb = mono_mb_new (mono_defaults.multicastdelegate_class, name, MONO_WRAPPER_DELEGATE_END_INVOKE);
2098 mb->method->save_lmf = 1;
2100 params_var = mono_mb_emit_save_args (mb, sig, FALSE);
2102 mono_mb_emit_ldarg (mb, 0);
2103 mono_mb_emit_ldloc (mb, params_var);
2104 mono_mb_emit_native_call (mb, csig, mono_delegate_end_invoke);
2105 emit_thread_interrupt_checkpoint (mb);
2107 if (sig->ret->type == MONO_TYPE_VOID) {
2108 mono_mb_emit_byte (mb, CEE_POP);
2109 mono_mb_emit_byte (mb, CEE_RET);
2111 mono_mb_emit_restore_result (mb, sig->ret);
2113 res = mono_mb_create_and_cache (cache, sig,
2114 mb, sig, sig->param_count + 16);
2121 mono_remoting_wrapper (MonoMethod *method, gpointer *params)
2123 MonoMethodMessage *msg;
2124 MonoTransparentProxy *this;
2125 MonoObject *res, *exc;
2126 MonoArray *out_args;
2128 this = *((MonoTransparentProxy **)params [0]);
2131 g_assert (((MonoObject *)this)->vtable->klass == mono_defaults.transparent_proxy_class);
2133 /* skip the this pointer */
2136 if (this->remote_class->proxy_class->contextbound && this->rp->context == (MonoObject *) mono_context_get ())
2139 MonoMethodSignature *sig = mono_method_signature (method);
2140 int count = sig->param_count;
2141 gpointer* mparams = (gpointer*) alloca(count*sizeof(gpointer));
2143 for (i=0; i<count; i++) {
2144 MonoClass *class = mono_class_from_mono_type (sig->params [i]);
2145 if (class->valuetype) {
2146 if (sig->params [i]->byref)
2147 mparams[i] = *((gpointer *)params [i]);
2149 mparams[i] = params [i];
2151 mparams[i] = *((gpointer**)params [i]);
2155 return mono_runtime_invoke (method, method->klass->valuetype? mono_object_unbox ((MonoObject*)this): this, mparams, NULL);
2158 msg = mono_method_call_message_new (method, params, NULL, NULL, NULL);
2160 res = mono_remoting_invoke ((MonoObject *)this->rp, msg, &exc, &out_args);
2163 mono_raise_exception ((MonoException *)exc);
2165 mono_method_return_message_restore (method, params, out_args);
2171 mono_marshal_get_remoting_invoke (MonoMethod *method)
2173 MonoMethodSignature *sig;
2174 static MonoMethodSignature *csig = NULL;
2175 MonoMethodBuilder *mb;
2181 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE || method->wrapper_type == MONO_WRAPPER_XDOMAIN_INVOKE)
2184 sig = signature_no_pinvoke (mono_method_signature (method));
2186 /* we cant remote methods without this pointer */
2190 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_REMOTING_INVOKE)))
2194 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 2);
2195 csig->params [0] = &mono_defaults.int_class->byval_arg;
2196 csig->params [1] = &mono_defaults.int_class->byval_arg;
2197 csig->ret = &mono_defaults.object_class->byval_arg;
2201 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_REMOTING_INVOKE);
2202 mb->method->save_lmf = 1;
2204 params_var = mono_mb_emit_save_args (mb, sig, TRUE);
2206 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2207 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
2208 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, method));
2209 mono_mb_emit_ldloc (mb, params_var);
2210 mono_mb_emit_native_call (mb, csig, mono_remoting_wrapper);
2211 emit_thread_interrupt_checkpoint (mb);
2213 if (sig->ret->type == MONO_TYPE_VOID) {
2214 mono_mb_emit_byte (mb, CEE_POP);
2215 mono_mb_emit_byte (mb, CEE_RET);
2217 mono_mb_emit_restore_result (mb, sig->ret);
2220 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16);
2226 /* mono_get_xdomain_marshal_type()
2227 * Returns the kind of marshalling that a type needs for cross domain calls.
2229 static MonoXDomainMarshalType
2230 mono_get_xdomain_marshal_type (MonoType *t)
2233 case MONO_TYPE_VOID:
2234 g_assert_not_reached ();
2238 case MONO_TYPE_BOOLEAN:
2241 case MONO_TYPE_CHAR:
2248 return MONO_MARSHAL_NONE;
2249 case MONO_TYPE_STRING:
2250 return MONO_MARSHAL_COPY;
2251 case MONO_TYPE_ARRAY:
2252 case MONO_TYPE_SZARRAY: {
2253 MonoClass *elem_class = mono_class_from_mono_type (t)->element_class;
2254 if (mono_get_xdomain_marshal_type (&(elem_class->byval_arg)) != MONO_MARSHAL_SERIALIZE)
2255 return MONO_MARSHAL_COPY;
2260 if (mono_class_from_mono_type (t) == mono_defaults.stringbuilder_class)
2261 return MONO_MARSHAL_COPY;
2263 return MONO_MARSHAL_SERIALIZE;
2267 /* mono_marshal_xdomain_copy_value
2268 * Makes a copy of "val" suitable for the current domain.
2271 mono_marshal_xdomain_copy_value (MonoObject *val)
2274 if (val == NULL) return NULL;
2276 domain = mono_domain_get ();
2278 switch (mono_object_class (val)->byval_arg.type) {
2279 case MONO_TYPE_VOID:
2280 g_assert_not_reached ();
2284 case MONO_TYPE_BOOLEAN:
2287 case MONO_TYPE_CHAR:
2293 case MONO_TYPE_R8: {
2294 return mono_value_box (domain, mono_object_class (val), ((char*)val) + sizeof(MonoObject));
2296 case MONO_TYPE_STRING: {
2297 MonoString *str = (MonoString *) val;
2298 return (MonoObject *) mono_string_new_utf16 (domain, mono_string_chars (str), mono_string_length (str));
2300 case MONO_TYPE_ARRAY:
2301 case MONO_TYPE_SZARRAY: {
2303 MonoXDomainMarshalType mt = mono_get_xdomain_marshal_type (&(mono_object_class (val)->element_class->byval_arg));
2304 if (mt == MONO_MARSHAL_SERIALIZE) return NULL;
2305 acopy = mono_array_clone_in_domain (domain, (MonoArray *) val);
2306 if (mt == MONO_MARSHAL_COPY) {
2307 int i, len = mono_array_length (acopy);
2308 for (i = 0; i < len; i++) {
2309 MonoObject *item = mono_array_get (acopy, gpointer, i);
2310 mono_array_set (acopy, gpointer, i, mono_marshal_xdomain_copy_value (item));
2313 return (MonoObject *) acopy;
2317 if (mono_object_class (val) == mono_defaults.stringbuilder_class) {
2318 MonoStringBuilder *oldsb = (MonoStringBuilder *) val;
2319 MonoStringBuilder *newsb = (MonoStringBuilder *) mono_object_new (domain, mono_defaults.stringbuilder_class);
2320 newsb->str = mono_string_new_utf16 (domain, mono_string_chars (oldsb->str), mono_string_length (oldsb->str));
2321 newsb->length = oldsb->length;
2322 newsb->max_capacity = (gint32)0x7fffffff;
2323 return (MonoObject *) newsb;
2328 /* mono_marshal_xdomain_copy_out_value()
2329 * Copies the contents of the src instance into the dst instance. src and dst
2330 * must have the same type, and if they are arrays, the same size.
2333 mono_marshal_xdomain_copy_out_value (MonoObject *src, MonoObject *dst)
2335 if (src == NULL || dst == NULL) return;
2337 g_assert (mono_object_class (src) == mono_object_class (dst));
2339 switch (mono_object_class (src)->byval_arg.type) {
2340 case MONO_TYPE_ARRAY:
2341 case MONO_TYPE_SZARRAY: {
2342 int mt = mono_get_xdomain_marshal_type (&(mono_object_class (src)->element_class->byval_arg));
2343 if (mt == MONO_MARSHAL_SERIALIZE) return;
2344 if (mt == MONO_MARSHAL_COPY) {
2345 int i, len = mono_array_length ((MonoArray *)dst);
2346 for (i = 0; i < len; i++) {
2347 MonoObject *item = mono_array_get ((MonoArray *)src, gpointer, i);
2348 mono_array_set ((MonoArray *)dst, gpointer, i, mono_marshal_xdomain_copy_value (item));
2351 mono_array_full_copy ((MonoArray *)src, (MonoArray *)dst);
2357 if (mono_object_class (src) == mono_defaults.stringbuilder_class) {
2358 MonoStringBuilder *src_sb = (MonoStringBuilder *) src;
2359 MonoStringBuilder *dst_sb = (MonoStringBuilder *) dst;
2361 dst_sb->str = mono_string_new_utf16 (mono_object_domain (dst), mono_string_chars (src_sb->str), mono_string_length (src_sb->str));
2362 dst_sb->cached_str = NULL;
2363 dst_sb->length = src_sb->length;
2368 mono_marshal_emit_xdomain_copy_value (MonoMethodBuilder *mb, MonoClass *pclass)
2370 static MonoMethodSignature *csig = NULL;
2372 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
2373 csig->params [0] = &mono_defaults.object_class->byval_arg;
2374 csig->ret = &mono_defaults.object_class->byval_arg;
2378 mono_mb_emit_native_call (mb, csig, mono_marshal_xdomain_copy_value);
2379 mono_mb_emit_byte (mb, CEE_CASTCLASS);
2380 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
2384 mono_marshal_emit_xdomain_copy_out_value (MonoMethodBuilder *mb, MonoClass *pclass)
2386 static MonoMethodSignature *csig = NULL;
2388 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 2);
2389 csig->params [0] = &mono_defaults.object_class->byval_arg;
2390 csig->params [1] = &mono_defaults.object_class->byval_arg;
2391 csig->ret = &mono_defaults.void_class->byval_arg;
2395 mono_mb_emit_native_call (mb, csig, mono_marshal_xdomain_copy_out_value);
2398 /* mono_marshal_supports_fast_xdomain()
2399 * Returns TRUE if the method can use the fast xdomain wrapper.
2402 mono_marshal_supports_fast_xdomain (MonoMethod *method)
2404 return !method->klass->contextbound &&
2405 !((method->flags & METHOD_ATTRIBUTE_SPECIAL_NAME) && (strcmp (".ctor", method->name) == 0));
2409 mono_marshal_set_domain_by_id (gint32 id, MonoBoolean push)
2411 MonoDomain *current_domain = mono_domain_get ();
2412 MonoDomain *domain = mono_domain_get_by_id (id);
2414 if (!domain || !mono_domain_set (domain, FALSE))
2415 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
2418 mono_thread_push_appdomain_ref (domain);
2420 mono_thread_pop_appdomain_ref ();
2422 return current_domain->domain_id;
2426 mono_marshal_emit_switch_domain (MonoMethodBuilder *mb)
2428 static MonoMethodSignature *csig = NULL;
2430 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 2);
2431 csig->params [0] = &mono_defaults.int32_class->byval_arg;
2432 csig->params [1] = &mono_defaults.int32_class->byval_arg;
2433 csig->ret = &mono_defaults.int32_class->byval_arg;
2437 mono_mb_emit_native_call (mb, csig, mono_marshal_set_domain_by_id);
2440 /* mono_marshal_emit_load_domain_method ()
2441 * Loads into the stack a pointer to the code of the provided method for
2442 * the current domain.
2445 mono_marshal_emit_load_domain_method (MonoMethodBuilder *mb, MonoMethod *method)
2447 static MonoMethodSignature *csig = NULL;
2449 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
2450 csig->params [0] = &mono_defaults.int_class->byval_arg;
2451 csig->ret = &mono_defaults.int_class->byval_arg;
2455 /* We need a pointer to the method for the running domain (not the domain
2456 * that compiles the method).
2458 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2459 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
2460 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, method));
2461 mono_mb_emit_native_call (mb, csig, mono_compile_method);
2464 /* mono_marshal_get_xappdomain_dispatch ()
2465 * Generates a method that dispatches a method call from another domain into
2466 * the current domain.
2469 mono_marshal_get_xappdomain_dispatch (MonoMethod *method, int *marshal_types, int complex_count, int complex_out_count, int ret_marshal_type)
2471 MonoMethodSignature *sig, *csig;
2472 MonoMethodBuilder *mb;
2474 int i, j, param_index, copy_locals_base;
2475 MonoClass *ret_class = NULL;
2476 int loc_array=0, loc_return=0, loc_serialized_exc=0;
2477 MonoExceptionClause *main_clause;
2478 MonoMethodHeader *header;
2480 gboolean copy_return;
2482 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_XDOMAIN_DISPATCH)))
2485 sig = mono_method_signature (method);
2486 copy_return = (sig->ret->type != MONO_TYPE_VOID && ret_marshal_type != MONO_MARSHAL_SERIALIZE);
2489 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3 + sig->param_count - complex_count);
2490 csig->params [j++] = &mono_defaults.object_class->byval_arg;
2491 csig->params [j++] = &byte_array_class->this_arg;
2492 csig->params [j++] = &byte_array_class->this_arg;
2493 for (i = 0; i < sig->param_count; i++) {
2494 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE)
2495 csig->params [j++] = sig->params [i];
2498 csig->ret = sig->ret;
2500 csig->ret = &mono_defaults.void_class->byval_arg;
2502 csig->hasthis = FALSE;
2504 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_XDOMAIN_DISPATCH);
2505 mb->method->save_lmf = 1;
2509 loc_serialized_exc = mono_mb_add_local (mb, &byte_array_class->byval_arg);
2510 if (complex_count > 0)
2511 loc_array = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
2512 if (sig->ret->type != MONO_TYPE_VOID) {
2513 loc_return = mono_mb_add_local (mb, sig->ret);
2514 ret_class = mono_class_from_mono_type (sig->ret);
2519 main_clause = g_new0 (MonoExceptionClause, 1);
2520 main_clause->try_offset = mb->pos;
2522 /* Clean the call context */
2524 mono_mb_emit_byte (mb, CEE_LDNULL);
2525 mono_mb_emit_managed_call (mb, method_set_call_context, NULL);
2526 mono_mb_emit_byte (mb, CEE_POP);
2528 /* Deserialize call data */
2530 mono_mb_emit_ldarg (mb, 1);
2531 mono_mb_emit_byte (mb, CEE_LDIND_REF);
2532 mono_mb_emit_byte (mb, CEE_DUP);
2533 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
2535 mono_mb_emit_byte (mb, 0);
2537 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
2538 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
2540 if (complex_count > 0)
2541 mono_mb_emit_stloc (mb, loc_array);
2543 mono_mb_emit_byte (mb, CEE_POP);
2545 mono_mb_patch_addr_s (mb, pos, mb->pos - (pos + 1));
2547 /* Get the target object */
2549 mono_mb_emit_ldarg (mb, 0);
2550 mono_mb_emit_managed_call (mb, method_rs_appdomain_target, NULL);
2552 /* Load the arguments */
2554 copy_locals_base = mb->locals;
2555 param_index = 3; // Index of the first non-serialized parameter of this wrapper
2557 for (i = 0; i < sig->param_count; i++) {
2558 MonoType *pt = sig->params [i];
2559 MonoClass *pclass = mono_class_from_mono_type (pt);
2560 switch (marshal_types [i]) {
2561 case MONO_MARSHAL_SERIALIZE: {
2562 /* take the value from the serialized array */
2563 mono_mb_emit_ldloc (mb, loc_array);
2564 mono_mb_emit_icon (mb, j++);
2566 if (pclass->valuetype) {
2567 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
2568 mono_mb_emit_byte (mb, CEE_UNBOX);
2569 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
2571 mono_mb_emit_byte (mb, CEE_LDELEMA);
2572 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
2575 if (pclass->valuetype) {
2576 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
2577 mono_mb_emit_byte (mb, CEE_UNBOX);
2578 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
2579 mono_mb_emit_byte (mb, CEE_LDOBJ);
2580 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
2582 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
2583 if (pclass != mono_defaults.object_class) {
2584 mono_mb_emit_byte (mb, CEE_CASTCLASS);
2585 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
2591 case MONO_MARSHAL_COPY_OUT: {
2592 /* Keep a local copy of the value since we need to copy it back after the call */
2593 int copy_local = mono_mb_add_local (mb, &(pclass->byval_arg));
2594 mono_mb_emit_ldarg (mb, param_index++);
2595 mono_marshal_emit_xdomain_copy_value (mb, pclass);
2596 mono_mb_emit_byte (mb, CEE_DUP);
2597 mono_mb_emit_stloc (mb, copy_local);
2600 case MONO_MARSHAL_COPY: {
2601 mono_mb_emit_ldarg (mb, param_index);
2603 mono_mb_emit_byte (mb, CEE_DUP);
2604 mono_mb_emit_byte (mb, CEE_DUP);
2605 mono_mb_emit_byte (mb, CEE_LDIND_REF);
2606 mono_marshal_emit_xdomain_copy_value (mb, pclass);
2607 mono_mb_emit_byte (mb, CEE_STIND_REF);
2609 mono_marshal_emit_xdomain_copy_value (mb, pclass);
2614 case MONO_MARSHAL_NONE:
2615 mono_mb_emit_ldarg (mb, param_index++);
2620 /* Make the call to the real object */
2622 emit_thread_force_interrupt_checkpoint (mb);
2624 mono_mb_emit_byte (mb, CEE_CALLVIRT);
2625 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, method));
2627 if (sig->ret->type != MONO_TYPE_VOID)
2628 mono_mb_emit_stloc (mb, loc_return);
2630 /* copy back MONO_MARSHAL_COPY_OUT parameters */
2634 for (i = 0; i < sig->param_count; i++) {
2635 if (marshal_types [i] == MONO_MARSHAL_SERIALIZE) continue;
2636 if (marshal_types [i] == MONO_MARSHAL_COPY_OUT) {
2637 mono_mb_emit_ldloc (mb, copy_locals_base + (j++));
2638 mono_mb_emit_ldarg (mb, param_index);
2639 mono_marshal_emit_xdomain_copy_out_value (mb, mono_class_from_mono_type (sig->params [i]));
2644 /* Serialize the return values */
2646 if (complex_out_count > 0) {
2647 /* Reset parameters in the array that don't need to be serialized back */
2649 for (i = 0; i < sig->param_count; i++) {
2650 if (marshal_types[i] != MONO_MARSHAL_SERIALIZE) continue;
2651 if (!sig->params [i]->byref) {
2652 mono_mb_emit_ldloc (mb, loc_array);
2653 mono_mb_emit_icon (mb, j);
2654 mono_mb_emit_byte (mb, CEE_LDNULL);
2655 mono_mb_emit_byte (mb, CEE_STELEM_REF);
2660 /* Add the return value to the array */
2662 if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
2663 mono_mb_emit_ldloc (mb, loc_array);
2664 mono_mb_emit_icon (mb, complex_count); /* The array has an additional slot to hold the ret value */
2665 mono_mb_emit_ldloc (mb, loc_return);
2666 if (ret_class->valuetype) {
2667 mono_mb_emit_byte (mb, CEE_BOX);
2668 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, ret_class));
2670 mono_mb_emit_byte (mb, CEE_STELEM_REF);
2675 mono_mb_emit_ldarg (mb, 1);
2676 mono_mb_emit_ldloc (mb, loc_array);
2677 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
2678 mono_mb_emit_byte (mb, CEE_STIND_REF);
2679 } else if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
2680 mono_mb_emit_ldarg (mb, 1);
2681 mono_mb_emit_ldloc (mb, loc_return);
2682 if (ret_class->valuetype) {
2683 mono_mb_emit_byte (mb, CEE_BOX);
2684 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, ret_class));
2686 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
2687 mono_mb_emit_byte (mb, CEE_STIND_REF);
2689 mono_mb_emit_ldarg (mb, 1);
2690 mono_mb_emit_byte (mb, CEE_LDNULL);
2691 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
2692 mono_mb_emit_byte (mb, CEE_STIND_REF);
2695 mono_mb_emit_ldarg (mb, 2);
2696 mono_mb_emit_byte (mb, CEE_LDNULL);
2697 mono_mb_emit_byte (mb, CEE_STIND_REF);
2698 mono_mb_emit_byte (mb, CEE_LEAVE);
2699 pos_leave = mb->pos;
2700 mono_mb_emit_i4 (mb, 0);
2702 /* Main exception catch */
2703 main_clause->flags = MONO_EXCEPTION_CLAUSE_NONE;
2704 main_clause->try_len = mb->pos - main_clause->try_offset;
2705 main_clause->data.catch_class = mono_defaults.object_class;
2708 main_clause->handler_offset = mb->pos;
2709 mono_mb_emit_managed_call (mb, method_rs_serialize_exc, NULL);
2710 mono_mb_emit_stloc (mb, loc_serialized_exc);
2711 mono_mb_emit_ldarg (mb, 2);
2712 mono_mb_emit_ldloc (mb, loc_serialized_exc);
2713 mono_mb_emit_byte (mb, CEE_STIND_REF);
2714 mono_mb_emit_byte (mb, CEE_LEAVE);
2715 mono_mb_emit_i4 (mb, 0);
2716 main_clause->handler_len = mb->pos - main_clause->handler_offset;
2719 mono_mb_patch_addr (mb, pos_leave, mb->pos - (pos_leave + 4));
2722 mono_mb_emit_ldloc (mb, loc_return);
2724 mono_mb_emit_byte (mb, CEE_RET);
2726 res = mono_remoting_mb_create_and_cache (method, mb, csig, csig->param_count + 16);
2729 header = ((MonoMethodNormal *)res)->header;
2730 header->num_clauses = 1;
2731 header->clauses = main_clause;
2736 /* mono_marshal_get_xappdomain_invoke ()
2737 * Generates a fast remoting wrapper for cross app domain calls.
2740 mono_marshal_get_xappdomain_invoke (MonoMethod *method)
2742 MonoMethodSignature *sig;
2743 static MonoMethodSignature *sig_context_get;
2744 static MonoMethodSignature *sig_context_set;
2745 MonoMethodBuilder *mb;
2747 int i, j, complex_count, complex_out_count, copy_locals_base;
2749 MonoClass *ret_class = NULL;
2750 MonoMethod *xdomain_method;
2751 int ret_marshal_type = MONO_MARSHAL_NONE;
2752 int loc_array=0, loc_serialized_data=-1, loc_real_proxy;
2753 int loc_old_domainid, loc_return=0, loc_serialized_exc=0, loc_context;
2755 gboolean copy_return = FALSE;
2759 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE || method->wrapper_type == MONO_WRAPPER_XDOMAIN_INVOKE)
2762 /* we cant remote methods without this pointer */
2763 if (!mono_method_signature (method)->hasthis)
2766 if (!mono_marshal_supports_fast_xdomain (method))
2767 return mono_marshal_get_remoting_invoke (method);
2769 mono_remoting_marshal_init ();
2771 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_XDOMAIN_INVOKE)))
2774 sig = signature_no_pinvoke (mono_method_signature (method));
2776 if (sig_context_set == NULL) {
2777 sig_context_set = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
2778 sig_context_set->params [0] = &mono_defaults.object_class->byval_arg;
2779 sig_context_set->ret = &mono_defaults.void_class->byval_arg;
2780 sig_context_set->pinvoke = 1;
2782 sig_context_get = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
2783 sig_context_get->ret = &mono_defaults.object_class->byval_arg;
2784 sig_context_get->pinvoke = 1;
2787 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_XDOMAIN_INVOKE);
2788 mb->method->save_lmf = 1;
2790 /* Count the number of parameters that need to be serialized */
2792 marshal_types = alloca (sizeof (int) * sig->param_count);
2793 complex_count = complex_out_count = 0;
2794 for (i = 0; i < sig->param_count; i++) {
2795 MonoType *ptype = sig->params[i];
2796 int mt = mono_get_xdomain_marshal_type (ptype);
2798 /* If the [Out] attribute is applied to a parameter that can be internally copied,
2799 * the copy will be made by reusing the original object instance
2801 if ((ptype->attrs & PARAM_ATTRIBUTE_OUT) != 0 && mt == MONO_MARSHAL_COPY && !ptype->byref)
2802 mt = MONO_MARSHAL_COPY_OUT;
2803 else if (mt == MONO_MARSHAL_SERIALIZE) {
2805 if (ptype->byref) complex_out_count++;
2807 marshal_types [i] = mt;
2810 if (sig->ret->type != MONO_TYPE_VOID) {
2811 ret_marshal_type = mono_get_xdomain_marshal_type (sig->ret);
2812 ret_class = mono_class_from_mono_type (sig->ret);
2813 copy_return = ret_marshal_type != MONO_MARSHAL_SERIALIZE;
2818 if (complex_count > 0)
2819 loc_array = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
2820 loc_serialized_data = mono_mb_add_local (mb, &byte_array_class->byval_arg);
2821 loc_real_proxy = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
2823 loc_return = mono_mb_add_local (mb, sig->ret);
2824 loc_old_domainid = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
2825 loc_serialized_exc = mono_mb_add_local (mb, &byte_array_class->byval_arg);
2826 loc_context = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
2828 /* Save thread domain data */
2830 mono_mb_emit_native_call (mb, sig_context_get, mono_context_get);
2831 mono_mb_emit_byte (mb, CEE_DUP);
2832 mono_mb_emit_stloc (mb, loc_context);
2834 /* If the thread is not running in the default context, it needs to go
2835 * through the whole remoting sink, since the context is going to change
2837 mono_mb_emit_managed_call (mb, method_needs_context_sink, NULL);
2838 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
2840 mono_mb_emit_byte (mb, 0);
2842 mono_mb_emit_ldarg (mb, 0);
2843 for (i = 0; i < sig->param_count; i++)
2844 mono_mb_emit_ldarg (mb, i + 1);
2846 mono_mb_emit_managed_call (mb, mono_marshal_get_remoting_invoke (method), NULL);
2847 mono_mb_emit_byte (mb, CEE_RET);
2848 mono_mb_patch_addr_s (mb, pos, mb->pos - pos - 1);
2850 /* Create the array that will hold the parameters to be serialized */
2852 if (complex_count > 0) {
2853 mono_mb_emit_icon (mb, (ret_marshal_type == MONO_MARSHAL_SERIALIZE && complex_out_count > 0) ? complex_count + 1 : complex_count); /* +1 for the return type */
2854 mono_mb_emit_byte (mb, CEE_NEWARR);
2855 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_defaults.object_class));
2858 for (i = 0; i < sig->param_count; i++) {
2860 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE) continue;
2861 pclass = mono_class_from_mono_type (sig->params[i]);
2862 mono_mb_emit_byte (mb, CEE_DUP);
2863 mono_mb_emit_icon (mb, j);
2864 mono_mb_emit_ldarg (mb, i + 1); /* 0=this */
2865 if (sig->params[i]->byref) {
2866 if (pclass->valuetype) {
2867 mono_mb_emit_byte (mb, CEE_LDOBJ);
2868 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
2870 mono_mb_emit_byte (mb, CEE_LDIND_REF);
2873 if (pclass->valuetype) {
2874 mono_mb_emit_byte (mb, CEE_BOX);
2875 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
2877 mono_mb_emit_byte (mb, CEE_STELEM_REF);
2880 mono_mb_emit_stloc (mb, loc_array);
2882 /* Serialize parameters */
2884 mono_mb_emit_ldloc (mb, loc_array);
2885 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
2886 mono_mb_emit_stloc (mb, loc_serialized_data);
2888 mono_mb_emit_byte (mb, CEE_LDNULL);
2889 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
2890 mono_mb_emit_stloc (mb, loc_serialized_data);
2893 /* Get the target domain id */
2895 mono_mb_emit_ldarg (mb, 0);
2896 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
2897 mono_mb_emit_byte (mb, CEE_LDIND_REF);
2898 mono_mb_emit_byte (mb, CEE_DUP);
2899 mono_mb_emit_stloc (mb, loc_real_proxy);
2901 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoRealProxy, target_domain_id));
2902 mono_mb_emit_byte (mb, CEE_LDIND_I4);
2903 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
2907 mono_marshal_emit_switch_domain (mb);
2908 mono_mb_emit_stloc (mb, loc_old_domainid);
2910 /* Load the arguments */
2912 mono_mb_emit_ldloc (mb, loc_real_proxy);
2913 mono_mb_emit_ldloc_addr (mb, loc_serialized_data);
2914 mono_mb_emit_ldloc_addr (mb, loc_serialized_exc);
2916 copy_locals_base = mb->locals;
2917 for (i = 0; i < sig->param_count; i++) {
2918 switch (marshal_types [i]) {
2919 case MONO_MARSHAL_SERIALIZE:
2921 case MONO_MARSHAL_COPY: {
2922 mono_mb_emit_ldarg (mb, i+1);
2923 if (sig->params [i]->byref) {
2924 /* make a local copy of the byref parameter. The real parameter
2925 * will be updated after the xdomain call
2927 MonoClass *pclass = mono_class_from_mono_type (sig->params [i]);
2928 int copy_local = mono_mb_add_local (mb, &(pclass->byval_arg));
2929 mono_mb_emit_byte (mb, CEE_LDIND_REF);
2930 mono_mb_emit_stloc (mb, copy_local);
2931 mono_mb_emit_ldloc_addr (mb, copy_local);
2935 case MONO_MARSHAL_COPY_OUT:
2936 case MONO_MARSHAL_NONE:
2937 mono_mb_emit_ldarg (mb, i+1);
2942 /* Make the call to the invoke wrapper in the target domain */
2944 xdomain_method = mono_marshal_get_xappdomain_dispatch (method, marshal_types, complex_count, complex_out_count, ret_marshal_type);
2945 mono_marshal_emit_load_domain_method (mb, xdomain_method);
2946 mono_mb_emit_calli (mb, mono_method_signature (xdomain_method));
2949 mono_mb_emit_stloc (mb, loc_return);
2953 mono_mb_emit_ldloc (mb, loc_old_domainid);
2954 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
2955 mono_marshal_emit_switch_domain (mb);
2956 mono_mb_emit_byte (mb, CEE_POP);
2958 /* Restore thread domain data */
2960 mono_mb_emit_ldloc (mb, loc_context);
2961 mono_mb_emit_native_call (mb, sig_context_set, mono_context_set);
2963 /* if (loc_serialized_exc != null) ... */
2965 mono_mb_emit_ldloc (mb, loc_serialized_exc);
2966 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
2968 mono_mb_emit_byte (mb, 0);
2970 mono_mb_emit_ldloc (mb, loc_serialized_exc);
2971 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
2972 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
2973 mono_mb_emit_byte (mb, CEE_CASTCLASS);
2974 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_defaults.exception_class));
2975 mono_mb_emit_managed_call (mb, method_exc_fixexc, NULL);
2976 mono_mb_emit_byte (mb, CEE_THROW);
2977 mono_mb_patch_addr_s (mb, pos_noex, mb->pos - pos_noex - 1);
2979 /* copy back non-serialized output parameters */
2982 for (i = 0; i < sig->param_count; i++) {
2983 if (!sig->params [i]->byref || marshal_types [i] != MONO_MARSHAL_COPY) continue;
2984 mono_mb_emit_ldarg (mb, i + 1);
2985 mono_mb_emit_ldloc (mb, copy_locals_base + (j++));
2986 mono_marshal_emit_xdomain_copy_value (mb, mono_class_from_mono_type (sig->params [i]));
2987 mono_mb_emit_byte (mb, CEE_STIND_REF);
2990 /* Deserialize out parameters */
2992 if (complex_out_count > 0) {
2993 mono_mb_emit_ldloc (mb, loc_serialized_data);
2994 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
2995 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
2996 mono_mb_emit_stloc (mb, loc_array);
2998 /* Copy back output parameters and return type */
3001 for (i = 0; i < sig->param_count; i++) {
3002 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE) continue;
3003 if (sig->params[i]->byref) {
3004 MonoClass *pclass = mono_class_from_mono_type (sig->params [i]);
3005 mono_mb_emit_ldarg (mb, i + 1);
3006 mono_mb_emit_ldloc (mb, loc_array);
3007 mono_mb_emit_icon (mb, j);
3008 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3009 if (pclass->valuetype) {
3010 mono_mb_emit_byte (mb, CEE_UNBOX);
3011 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
3012 mono_mb_emit_byte (mb, CEE_LDOBJ);
3013 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
3014 mono_mb_emit_byte (mb, CEE_STOBJ);
3015 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
3017 if (pclass != mono_defaults.object_class) {
3018 mono_mb_emit_byte (mb, CEE_CASTCLASS);
3019 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
3021 mono_mb_emit_byte (mb, CEE_STIND_REF);
3027 if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
3028 mono_mb_emit_ldloc (mb, loc_array);
3029 mono_mb_emit_icon (mb, complex_count);
3030 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3031 if (ret_class->valuetype) {
3032 mono_mb_emit_byte (mb, CEE_UNBOX);
3033 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, ret_class));
3034 mono_mb_emit_byte (mb, CEE_LDOBJ);
3035 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, ret_class));
3038 } else if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
3039 mono_mb_emit_ldloc (mb, loc_serialized_data);
3040 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
3041 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
3042 if (ret_class->valuetype) {
3043 mono_mb_emit_byte (mb, CEE_UNBOX);
3044 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, ret_class));
3045 mono_mb_emit_byte (mb, CEE_LDOBJ);
3046 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, ret_class));
3047 } else if (ret_class != mono_defaults.object_class) {
3048 mono_mb_emit_byte (mb, CEE_CASTCLASS);
3049 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, ret_class));
3052 mono_mb_emit_ldloc (mb, loc_serialized_data);
3053 mono_mb_emit_byte (mb, CEE_DUP);
3054 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
3056 mono_mb_emit_byte (mb, 0);
3057 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
3059 mono_mb_patch_addr_s (mb, pos, mb->pos - (pos + 1));
3060 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
3061 mono_mb_emit_byte (mb, CEE_POP);
3065 mono_mb_emit_ldloc (mb, loc_return);
3066 if (ret_marshal_type == MONO_MARSHAL_COPY)
3067 mono_marshal_emit_xdomain_copy_value (mb, ret_class);
3070 mono_mb_emit_byte (mb, CEE_RET);
3072 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16);
3079 mono_marshal_get_remoting_invoke_for_target (MonoMethod *method, MonoRemotingTarget target_type)
3081 if (target_type == MONO_REMOTING_TARGET_APPDOMAIN)
3082 return mono_marshal_get_xappdomain_invoke (method);
3084 return mono_marshal_get_remoting_invoke (method);
3087 G_GNUC_UNUSED static gpointer
3088 mono_marshal_load_remoting_wrapper (MonoRealProxy *rp, MonoMethod *method)
3090 if (rp->target_domain_id != -1)
3091 return mono_compile_method (mono_marshal_get_xappdomain_invoke (method));
3093 return mono_compile_method (mono_marshal_get_remoting_invoke (method));
3097 mono_marshal_get_remoting_invoke_with_check (MonoMethod *method)
3099 MonoMethodSignature *sig;
3100 MonoMethodBuilder *mb;
3101 MonoMethod *res, *native;
3102 int i, pos, pos_rem;
3106 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK)
3109 sig = signature_no_pinvoke (mono_method_signature (method));
3111 /* we cant remote methods without this pointer */
3112 g_assert (sig->hasthis);
3114 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK)))
3117 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK);
3119 for (i = 0; i <= sig->param_count; i++)
3120 mono_mb_emit_ldarg (mb, i);
3122 mono_mb_emit_ldarg (mb, 0);
3123 pos = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
3125 if (mono_marshal_supports_fast_xdomain (method)) {
3126 mono_mb_emit_ldarg (mb, 0);
3127 pos_rem = mono_mb_emit_xdomain_check (mb, CEE_BEQ);
3129 /* wrapper for cross app domain calls */
3130 native = mono_marshal_get_xappdomain_invoke (method);
3131 mono_mb_emit_managed_call (mb, native, mono_method_signature (native));
3132 mono_mb_emit_byte (mb, CEE_RET);
3134 mono_mb_patch_addr (mb, pos_rem, mb->pos - (pos_rem + 4));
3136 /* wrapper for normal remote calls */
3137 native = mono_marshal_get_remoting_invoke (method);
3138 mono_mb_emit_managed_call (mb, native, mono_method_signature (native));
3139 mono_mb_emit_byte (mb, CEE_RET);
3142 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
3143 mono_mb_emit_managed_call (mb, method, mono_method_signature (method));
3144 mono_mb_emit_byte (mb, CEE_RET);
3146 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16);
3153 * the returned method invokes all methods in a multicast delegate
3156 mono_marshal_get_delegate_invoke (MonoMethod *method)
3158 MonoMethodSignature *sig, *static_sig;
3160 MonoMethodBuilder *mb;
3166 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
3167 !strcmp (method->name, "Invoke"));
3169 sig = signature_no_pinvoke (mono_method_signature (method));
3171 cache = method->klass->image->delegate_invoke_cache;
3172 if ((res = mono_marshal_find_in_cache (cache, sig)))
3175 static_sig = mono_metadata_signature_dup (sig);
3176 static_sig->hasthis = 0;
3178 name = mono_signature_to_name (sig, "invoke");
3179 mb = mono_mb_new (mono_defaults.multicastdelegate_class, name, MONO_WRAPPER_DELEGATE_INVOKE);
3182 /* allocate local 0 (object) */
3183 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3185 g_assert (sig->hasthis);
3189 * prev.Invoke( args .. );
3190 * return this.<target>( args .. );
3193 /* this wrapper can be used in unmanaged-managed transitions */
3194 emit_thread_interrupt_checkpoint (mb);
3196 /* get this->prev */
3197 mono_mb_emit_ldarg (mb, 0);
3198 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoMulticastDelegate, prev));
3199 mono_mb_emit_byte (mb, CEE_LDIND_I );
3200 mono_mb_emit_stloc (mb, 0);
3202 /* if prev != null */
3203 mono_mb_emit_ldloc (mb, 0);
3204 mono_mb_emit_byte (mb, CEE_BRFALSE);
3207 mono_mb_emit_i4 (mb, 0);
3210 mono_mb_emit_ldloc (mb, 0);
3211 for (i = 0; i < sig->param_count; i++)
3212 mono_mb_emit_ldarg (mb, i + 1);
3213 mono_mb_emit_managed_call (mb, method, mono_method_signature (method));
3214 if (sig->ret->type != MONO_TYPE_VOID)
3215 mono_mb_emit_byte (mb, CEE_POP);
3217 /* continued or prev == null */
3218 mono_mb_patch_addr (mb, pos0, mb->pos - (pos0 + 4));
3220 /* get this->target */
3221 mono_mb_emit_ldarg (mb, 0);
3222 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, target));
3223 mono_mb_emit_byte (mb, CEE_LDIND_I );
3224 mono_mb_emit_stloc (mb, 0);
3226 /* if target != null */
3227 mono_mb_emit_ldloc (mb, 0);
3228 mono_mb_emit_byte (mb, CEE_BRFALSE);
3230 mono_mb_emit_i4 (mb, 0);
3232 /* then call this->method_ptr nonstatic */
3233 mono_mb_emit_ldloc (mb, 0);
3234 for (i = 0; i < sig->param_count; ++i)
3235 mono_mb_emit_ldarg (mb, i + 1);
3236 mono_mb_emit_ldarg (mb, 0);
3237 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, method_ptr));
3238 mono_mb_emit_byte (mb, CEE_LDIND_I );
3239 mono_mb_emit_byte (mb, CEE_CALLI);
3240 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, sig));
3242 mono_mb_emit_byte (mb, CEE_BR);
3244 mono_mb_emit_i4 (mb, 0);
3246 /* else [target == null] call this->method_ptr static */
3247 mono_mb_patch_addr (mb, pos0, mb->pos - (pos0 + 4));
3249 for (i = 0; i < sig->param_count; ++i)
3250 mono_mb_emit_ldarg (mb, i + 1);
3251 mono_mb_emit_ldarg (mb, 0);
3252 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, method_ptr));
3253 mono_mb_emit_byte (mb, CEE_LDIND_I );
3254 mono_mb_emit_byte (mb, CEE_CALLI);
3255 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, static_sig));
3258 mono_mb_patch_addr (mb, pos1, mb->pos - (pos1 + 4));
3259 mono_mb_emit_byte (mb, CEE_RET);
3261 res = mono_mb_create_and_cache (cache, sig,
3262 mb, sig, sig->param_count + 16);
3269 * signature_dup_add_this:
3271 * Make a copy of @sig, adding an explicit this argument.
3273 static MonoMethodSignature*
3274 signature_dup_add_this (MonoMethodSignature *sig, MonoClass *klass)
3276 MonoMethodSignature *res;
3279 res = mono_metadata_signature_alloc (klass->image, sig->param_count + 1);
3280 memcpy (res, sig, sizeof (MonoMethodSignature));
3281 res->param_count = sig->param_count + 1;
3282 res->hasthis = FALSE;
3283 for (i = sig->param_count - 1; i >= 0; i --)
3284 res->params [i + 1] = sig->params [i];
3285 res->params [0] = &mono_ptr_class_get (&klass->byval_arg)->byval_arg;
3292 MonoMethodSignature *sig;
3298 * generates IL code for the runtime invoke function
3299 * MonoObject *runtime_invoke (MonoObject *this, void **params, MonoObject **exc, void* method)
3301 * we also catch exceptions if exc != null
3304 mono_marshal_get_runtime_invoke (MonoMethod *method)
3306 MonoMethodSignature *sig, *csig, *callsig;
3307 MonoExceptionClause *clause;
3308 MonoMethodHeader *header;
3309 MonoMethodBuilder *mb;
3310 GHashTable *cache = NULL;
3311 MonoClass *target_klass;
3312 MonoMethod *res = NULL;
3314 static MonoString *string_dummy = NULL;
3315 static MonoMethodSignature *dealy_abort_sig = NULL;
3321 target_klass = method->klass;
3323 EnterCriticalSection (&marshal_mutex);
3325 if (method->string_ctor) {
3326 static GSList *strsig_list = NULL;
3330 for (item = strsig_list; item; item = item->next) {
3332 if (mono_metadata_signature_equal (mono_method_signature (method), mono_method_signature (cs->ctor))) {
3338 callsig = mono_metadata_signature_dup (mono_method_signature (method));
3339 callsig->ret = &mono_defaults.string_class->byval_arg;
3340 cs = g_new (CtorSigPair, 1);
3343 strsig_list = g_slist_prepend (strsig_list, cs);
3346 if (method->klass->valuetype && mono_method_signature (method)->hasthis) {
3348 * Valuetype methods receive a managed pointer as the this argument.
3349 * Create a new signature to reflect this.
3351 callsig = signature_dup_add_this (mono_method_signature (method), method->klass);
3354 callsig = mono_method_signature (method);
3357 cache = method->klass->image->runtime_invoke_cache;
3359 /* from mono_marshal_find_in_cache */
3360 res = g_hash_table_lookup (cache, callsig);
3361 LeaveCriticalSection (&marshal_mutex);
3367 if (!dealy_abort_sig) {
3368 dealy_abort_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
3369 dealy_abort_sig->ret = &mono_defaults.void_class->byval_arg;
3370 dealy_abort_sig->pinvoke = 0;
3373 target_klass = mono_defaults.object_class;
3375 /* to make it work with our special string constructors */
3376 if (!string_dummy) {
3377 MONO_GC_REGISTER_ROOT (string_dummy);
3378 string_dummy = mono_string_new_wrapper ("dummy");
3381 sig = mono_method_signature (method);
3383 csig = mono_metadata_signature_alloc (method->klass->image, 4);
3385 csig->ret = &mono_defaults.object_class->byval_arg;
3386 if (method->klass->valuetype && mono_method_signature (method)->hasthis)
3387 csig->params [0] = callsig->params [0];
3389 csig->params [0] = &mono_defaults.object_class->byval_arg;
3390 csig->params [1] = &mono_defaults.int_class->byval_arg;
3391 csig->params [2] = &mono_defaults.int_class->byval_arg;
3392 csig->params [3] = &mono_defaults.int_class->byval_arg;
3394 name = mono_signature_to_name (callsig, "runtime_invoke");
3395 mb = mono_mb_new (target_klass, name, MONO_WRAPPER_RUNTIME_INVOKE);
3398 /* allocate local 0 (object) tmp */
3399 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3400 /* allocate local 1 (object) exc */
3401 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3403 /* cond set *exc to null */
3404 mono_mb_emit_byte (mb, CEE_LDARG_2);
3405 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
3406 mono_mb_emit_byte (mb, 3);
3407 mono_mb_emit_byte (mb, CEE_LDARG_2);
3408 mono_mb_emit_byte (mb, CEE_LDNULL);
3409 mono_mb_emit_byte (mb, CEE_STIND_I);
3411 emit_thread_force_interrupt_checkpoint (mb);
3414 if (method->string_ctor) {
3415 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3416 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
3417 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, string_dummy));
3419 mono_mb_emit_ldarg (mb, 0);
3423 for (i = 0; i < sig->param_count; i++) {
3424 MonoType *t = sig->params [i];
3427 mono_mb_emit_ldarg (mb, 1);
3429 mono_mb_emit_icon (mb, sizeof (gpointer) * i);
3430 mono_mb_emit_byte (mb, CEE_ADD);
3432 mono_mb_emit_byte (mb, CEE_LDIND_I);
3437 type = sig->params [i]->type;
3441 mono_mb_emit_byte (mb, CEE_LDIND_I1);
3443 case MONO_TYPE_BOOLEAN:
3445 mono_mb_emit_byte (mb, CEE_LDIND_U1);
3448 mono_mb_emit_byte (mb, CEE_LDIND_I2);
3451 case MONO_TYPE_CHAR:
3452 mono_mb_emit_byte (mb, CEE_LDIND_U2);
3456 mono_mb_emit_byte (mb, CEE_LDIND_I);
3459 mono_mb_emit_byte (mb, CEE_LDIND_I4);
3462 mono_mb_emit_byte (mb, CEE_LDIND_U4);
3465 mono_mb_emit_byte (mb, CEE_LDIND_R4);
3468 mono_mb_emit_byte (mb, CEE_LDIND_R8);
3472 mono_mb_emit_byte (mb, CEE_LDIND_I8);
3474 case MONO_TYPE_STRING:
3475 case MONO_TYPE_CLASS:
3476 case MONO_TYPE_ARRAY:
3478 case MONO_TYPE_SZARRAY:
3479 case MONO_TYPE_OBJECT:
3482 case MONO_TYPE_VALUETYPE:
3483 if (t->data.klass->enumtype) {
3484 type = t->data.klass->enum_basetype->type;
3487 mono_mb_emit_byte (mb, CEE_LDOBJ);
3488 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, t->data.klass));
3490 case MONO_TYPE_GENERICINST:
3491 t = &t->data.generic_class->container_class->byval_arg;
3495 g_assert_not_reached ();
3499 mono_mb_emit_ldarg (mb, 3);
3500 mono_mb_emit_calli (mb, callsig);
3502 if (sig->ret->byref) {
3504 g_assert_not_reached ();
3508 switch (sig->ret->type) {
3509 case MONO_TYPE_VOID:
3510 if (!method->string_ctor)
3511 mono_mb_emit_byte (mb, CEE_LDNULL);
3513 case MONO_TYPE_BOOLEAN:
3514 case MONO_TYPE_CHAR:
3527 case MONO_TYPE_VALUETYPE:
3528 case MONO_TYPE_TYPEDBYREF:
3529 case MONO_TYPE_GENERICINST:
3530 /* box value types */
3531 mono_mb_emit_byte (mb, CEE_BOX);
3532 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (sig->ret)));
3534 case MONO_TYPE_STRING:
3535 case MONO_TYPE_CLASS:
3536 case MONO_TYPE_ARRAY:
3537 case MONO_TYPE_SZARRAY:
3538 case MONO_TYPE_OBJECT:
3543 g_assert_not_reached ();
3546 mono_mb_emit_stloc (mb, 0);
3548 mono_mb_emit_byte (mb, CEE_LEAVE);
3550 mono_mb_emit_i4 (mb, 0);
3552 clause = g_new0 (MonoExceptionClause, 1);
3553 clause->flags = MONO_EXCEPTION_CLAUSE_FILTER;
3554 clause->try_len = mb->pos;
3557 clause->data.filter_offset = mb->pos;
3559 mono_mb_emit_byte (mb, CEE_POP);
3560 mono_mb_emit_byte (mb, CEE_LDARG_2);
3561 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
3562 mono_mb_emit_byte (mb, CEE_PREFIX1);
3563 mono_mb_emit_byte (mb, CEE_CGT_UN);
3564 mono_mb_emit_byte (mb, CEE_PREFIX1);
3565 mono_mb_emit_byte (mb, CEE_ENDFILTER);
3567 clause->handler_offset = mb->pos;
3570 /* store exception */
3571 mono_mb_emit_stloc (mb, 1);
3573 mono_mb_emit_byte (mb, CEE_LDARG_2);
3574 mono_mb_emit_ldloc (mb, 1);
3575 mono_mb_emit_byte (mb, CEE_STIND_I);
3577 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
3578 mono_mb_emit_stloc (mb, 0);
3580 /* Check for the abort exception */
3581 mono_mb_emit_ldloc (mb, 1);
3582 mono_mb_emit_byte (mb, CEE_ISINST);
3583 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_defaults.threadabortexception_class));
3584 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
3586 mono_mb_emit_byte (mb, 0);
3588 /* Delay the abort exception */
3589 mono_mb_emit_native_call (mb, dealy_abort_sig, ves_icall_System_Threading_Thread_ResetAbort);
3591 mono_mb_patch_addr_s (mb, posna, mb->pos - posna - 1);
3592 mono_mb_emit_byte (mb, CEE_LEAVE);
3593 mono_mb_emit_i4 (mb, 0);
3595 clause->handler_len = mb->pos - clause->handler_offset;
3598 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
3599 mono_mb_emit_ldloc (mb, 0);
3600 mono_mb_emit_byte (mb, CEE_RET);
3602 /* taken from mono_mb_create_and_cache */
3603 EnterCriticalSection (&marshal_mutex);
3605 res = g_hash_table_lookup (cache, callsig);
3606 /* Somebody may have created it before us */
3608 res = mono_mb_create_method (mb, csig, sig->param_count + 16);
3609 g_hash_table_insert (cache, callsig, res);
3610 g_hash_table_insert (wrapper_hash, res, callsig);
3613 LeaveCriticalSection (&marshal_mutex);
3614 /* end mono_mb_create_and_cache */
3618 header = ((MonoMethodNormal *)res)->header;
3619 header->num_clauses = 1;
3620 header->clauses = clause;
3626 mono_mb_emit_auto_layout_exception (MonoMethodBuilder *mb, MonoClass *klass)
3628 char *msg = g_strdup_printf ("The type `%s.%s' layout needs to be Sequential or Explicit",
3629 klass->name_space, klass->name);
3631 mono_mb_emit_exception_marshal_directive (mb, msg);
3635 * mono_marshal_get_ldfld_remote_wrapper:
3636 * @klass: The return type
3638 * This method generates a wrapper for calling mono_load_remote_field_new with
3639 * the appropriate return type.
3642 mono_marshal_get_ldfld_remote_wrapper (MonoClass *klass)
3644 MonoMethodSignature *sig, *csig;
3645 MonoMethodBuilder *mb;
3647 static GHashTable *ldfld_hash = NULL;
3650 EnterCriticalSection (&marshal_mutex);
3652 ldfld_hash = g_hash_table_new (NULL, NULL);
3653 res = g_hash_table_lookup (ldfld_hash, klass);
3654 LeaveCriticalSection (&marshal_mutex);
3659 * This wrapper is similar to an icall wrapper but all the wrappers
3660 * call the same C function, but with a different signature.
3662 name = g_strdup_printf ("__mono_load_remote_field_new_wrapper_%s.%s", klass->name_space, klass->name);
3663 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_LDFLD_REMOTE);
3666 mb->method->save_lmf = 1;
3668 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
3669 sig->params [0] = &mono_defaults.object_class->byval_arg;
3670 sig->params [1] = &mono_defaults.int_class->byval_arg;
3671 sig->params [2] = &mono_defaults.int_class->byval_arg;
3672 sig->ret = &klass->this_arg;
3674 mono_mb_emit_ldarg (mb, 0);
3675 mono_mb_emit_ldarg (mb, 1);
3676 mono_mb_emit_ldarg (mb, 2);
3678 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
3679 csig->params [0] = &mono_defaults.object_class->byval_arg;
3680 csig->params [1] = &mono_defaults.int_class->byval_arg;
3681 csig->params [2] = &mono_defaults.int_class->byval_arg;
3682 csig->ret = &klass->this_arg;
3685 mono_mb_emit_native_call (mb, csig, mono_load_remote_field_new);
3686 emit_thread_interrupt_checkpoint (mb);
3688 mono_mb_emit_byte (mb, CEE_RET);
3690 res = mono_mb_create_and_cache (ldfld_hash, klass,
3691 mb, sig, sig->param_count + 16);
3698 * mono_marshal_get_ldfld_wrapper:
3699 * @type: the type of the field
3701 * This method generates a function which can be use to load a field with type
3702 * @type from an object. The generated function has the following signature:
3703 * <@type> ldfld_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset)
3706 mono_marshal_get_ldfld_wrapper (MonoType *type)
3708 MonoMethodSignature *sig;
3709 MonoMethodBuilder *mb;
3712 static GHashTable *ldfld_hash = NULL;
3714 int t, pos0, pos1 = 0;
3719 if (type->type == MONO_TYPE_SZARRAY) {
3720 klass = mono_defaults.array_class;
3721 } else if (type->type == MONO_TYPE_VALUETYPE) {
3722 klass = type->data.klass;
3723 if (klass->enumtype) {
3724 t = klass->enum_basetype->type;
3725 klass = mono_class_from_mono_type (klass->enum_basetype);
3727 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING ||
3728 t == MONO_TYPE_CLASS) {
3729 klass = mono_defaults.object_class;
3730 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
3731 klass = mono_defaults.int_class;
3733 klass = mono_class_from_mono_type (type);
3736 klass = mono_defaults.int_class;
3739 EnterCriticalSection (&marshal_mutex);
3741 ldfld_hash = g_hash_table_new (NULL, NULL);
3742 res = g_hash_table_lookup (ldfld_hash, klass);
3743 LeaveCriticalSection (&marshal_mutex);
3747 name = g_strdup_printf ("__ldfld_wrapper_%s.%s", klass->name_space, klass->name);
3748 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_LDFLD);
3751 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
3752 sig->params [0] = &mono_defaults.object_class->byval_arg;
3753 sig->params [1] = &mono_defaults.int_class->byval_arg;
3754 sig->params [2] = &mono_defaults.int_class->byval_arg;
3755 sig->params [3] = &mono_defaults.int_class->byval_arg;
3756 sig->ret = &klass->byval_arg;
3758 mono_mb_emit_ldarg (mb, 0);
3759 pos0 = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
3761 mono_mb_emit_ldarg (mb, 0);
3762 mono_mb_emit_ldarg (mb, 1);
3763 mono_mb_emit_ldarg (mb, 2);
3765 mono_mb_emit_managed_call (mb, mono_marshal_get_ldfld_remote_wrapper (klass), NULL);
3768 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
3769 csig->params [0] = &mono_defaults.object_class->byval_arg;
3770 csig->params [1] = &mono_defaults.int_class->byval_arg;
3771 csig->params [2] = &mono_defaults.int_class->byval_arg;
3772 csig->ret = &klass->this_arg;
3775 mono_mb_emit_native_call (mb, csig, mono_load_remote_field_new);
3776 emit_thread_interrupt_checkpoint (mb);
3779 if (klass->valuetype) {
3780 mono_mb_emit_byte (mb, CEE_UNBOX);
3781 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
3782 mono_mb_emit_byte (mb, CEE_BR);
3784 mono_mb_emit_i4 (mb, 0);
3786 mono_mb_emit_byte (mb, CEE_RET);
3790 mono_mb_patch_addr (mb, pos0, mb->pos - (pos0 + 4));
3792 mono_mb_emit_ldarg (mb, 0);
3793 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3794 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
3795 mono_mb_emit_ldarg (mb, 3);
3796 mono_mb_emit_byte (mb, CEE_ADD);
3798 if (klass->valuetype)
3799 mono_mb_patch_addr (mb, pos1, mb->pos - (pos1 + 4));
3804 case MONO_TYPE_BOOLEAN:
3805 mono_mb_emit_byte (mb, CEE_LDIND_I1);
3807 case MONO_TYPE_CHAR:
3810 mono_mb_emit_byte (mb, CEE_LDIND_I2);
3814 mono_mb_emit_byte (mb, CEE_LDIND_I4);
3818 mono_mb_emit_byte (mb, CEE_LDIND_I8);
3821 mono_mb_emit_byte (mb, CEE_LDIND_R4);
3824 mono_mb_emit_byte (mb, CEE_LDIND_R8);
3826 case MONO_TYPE_ARRAY:
3828 case MONO_TYPE_FNPTR:
3829 case MONO_TYPE_SZARRAY:
3830 case MONO_TYPE_OBJECT:
3831 case MONO_TYPE_CLASS:
3832 case MONO_TYPE_STRING:
3835 mono_mb_emit_byte (mb, CEE_LDIND_I);
3837 case MONO_TYPE_VALUETYPE:
3838 g_assert (!klass->enumtype);
3839 mono_mb_emit_byte (mb, CEE_LDOBJ);
3840 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
3843 g_warning ("type %x not implemented", type->type);
3844 g_assert_not_reached ();
3847 mono_mb_emit_byte (mb, CEE_RET);
3849 res = mono_mb_create_and_cache (ldfld_hash, klass,
3850 mb, sig, sig->param_count + 16);
3857 * mono_marshal_get_stfld_remote_wrapper:
3858 * klass: The type of the field
3860 * This function generates a wrapper for calling mono_store_remote_field_new
3861 * with the appropriate signature.
3864 mono_marshal_get_stfld_remote_wrapper (MonoClass *klass)
3866 MonoMethodSignature *sig, *csig;
3867 MonoMethodBuilder *mb;
3869 static GHashTable *stfld_hash = NULL;
3872 EnterCriticalSection (&marshal_mutex);
3874 stfld_hash = g_hash_table_new (NULL, NULL);
3875 res = g_hash_table_lookup (stfld_hash, klass);
3876 LeaveCriticalSection (&marshal_mutex);
3880 name = g_strdup_printf ("__mono_store_remote_field_new_wrapper_%s.%s", klass->name_space, klass->name);
3881 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_STFLD_REMOTE);
3884 mb->method->save_lmf = 1;
3886 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
3887 sig->params [0] = &mono_defaults.object_class->byval_arg;
3888 sig->params [1] = &mono_defaults.int_class->byval_arg;
3889 sig->params [2] = &mono_defaults.int_class->byval_arg;
3890 sig->params [3] = &klass->byval_arg;
3891 sig->ret = &mono_defaults.void_class->byval_arg;
3893 mono_mb_emit_ldarg (mb, 0);
3894 mono_mb_emit_ldarg (mb, 1);
3895 mono_mb_emit_ldarg (mb, 2);
3896 mono_mb_emit_ldarg (mb, 3);
3898 if (klass->valuetype) {
3899 mono_mb_emit_byte (mb, CEE_BOX);
3900 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
3903 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
3904 csig->params [0] = &mono_defaults.object_class->byval_arg;
3905 csig->params [1] = &mono_defaults.int_class->byval_arg;
3906 csig->params [2] = &mono_defaults.int_class->byval_arg;
3907 csig->params [3] = &klass->byval_arg;
3908 csig->ret = &mono_defaults.void_class->byval_arg;
3911 mono_mb_emit_native_call (mb, csig, mono_store_remote_field_new);
3912 emit_thread_interrupt_checkpoint (mb);
3914 mono_mb_emit_byte (mb, CEE_RET);
3916 res = mono_mb_create_and_cache (stfld_hash, klass,
3917 mb, sig, sig->param_count + 16);
3924 * mono_marshal_get_stfld_wrapper:
3925 * @type: the type of the field
3927 * This method generates a function which can be use to store a field with type
3928 * @type. The generated function has the following signature:
3929 * void stfld_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset, <@type> val)
3932 mono_marshal_get_stfld_wrapper (MonoType *type)
3934 MonoMethodSignature *sig;
3935 MonoMethodBuilder *mb;
3938 static GHashTable *stfld_hash = NULL;
3945 if (type->type == MONO_TYPE_SZARRAY) {
3946 klass = mono_defaults.array_class;
3947 } else if (type->type == MONO_TYPE_VALUETYPE) {
3948 klass = type->data.klass;
3949 if (klass->enumtype) {
3950 t = klass->enum_basetype->type;
3951 klass = mono_class_from_mono_type (klass->enum_basetype);
3953 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING ||
3954 t == MONO_TYPE_CLASS) {
3955 klass = mono_defaults.object_class;
3956 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
3957 klass = mono_defaults.int_class;
3959 klass = mono_class_from_mono_type (type);
3962 klass = mono_defaults.int_class;
3965 EnterCriticalSection (&marshal_mutex);
3967 stfld_hash = g_hash_table_new (NULL, NULL);
3968 res = g_hash_table_lookup (stfld_hash, klass);
3969 LeaveCriticalSection (&marshal_mutex);
3973 name = g_strdup_printf ("__stfld_wrapper_%s.%s", klass->name_space, klass->name);
3974 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_STFLD);
3977 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 5);
3978 sig->params [0] = &mono_defaults.object_class->byval_arg;
3979 sig->params [1] = &mono_defaults.int_class->byval_arg;
3980 sig->params [2] = &mono_defaults.int_class->byval_arg;
3981 sig->params [3] = &mono_defaults.int_class->byval_arg;
3982 sig->params [4] = &klass->byval_arg;
3983 sig->ret = &mono_defaults.void_class->byval_arg;
3985 mono_mb_emit_ldarg (mb, 0);
3986 pos = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
3988 mono_mb_emit_ldarg (mb, 0);
3989 mono_mb_emit_ldarg (mb, 1);
3990 mono_mb_emit_ldarg (mb, 2);
3991 mono_mb_emit_ldarg (mb, 4);
3993 mono_mb_emit_managed_call (mb, mono_marshal_get_stfld_remote_wrapper (klass), NULL);
3995 mono_mb_emit_byte (mb, CEE_RET);
3997 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
3999 mono_mb_emit_ldarg (mb, 0);
4000 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4001 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
4002 mono_mb_emit_ldarg (mb, 3);
4003 mono_mb_emit_byte (mb, CEE_ADD);
4004 mono_mb_emit_ldarg (mb, 4);
4009 case MONO_TYPE_BOOLEAN:
4010 mono_mb_emit_byte (mb, CEE_STIND_I1);
4012 case MONO_TYPE_CHAR:
4015 mono_mb_emit_byte (mb, CEE_STIND_I2);
4019 mono_mb_emit_byte (mb, CEE_STIND_I4);
4023 mono_mb_emit_byte (mb, CEE_STIND_I8);
4026 mono_mb_emit_byte (mb, CEE_STIND_R4);
4029 mono_mb_emit_byte (mb, CEE_STIND_R8);
4031 case MONO_TYPE_ARRAY:
4033 case MONO_TYPE_FNPTR:
4034 case MONO_TYPE_SZARRAY:
4035 case MONO_TYPE_OBJECT:
4036 case MONO_TYPE_CLASS:
4037 case MONO_TYPE_STRING:
4040 mono_mb_emit_byte (mb, CEE_STIND_I);
4042 case MONO_TYPE_VALUETYPE:
4043 g_assert (!klass->enumtype);
4044 mono_mb_emit_byte (mb, CEE_STOBJ);
4045 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
4047 case MONO_TYPE_GENERICINST:
4048 mono_mb_emit_byte (mb, CEE_STOBJ);
4049 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
4052 g_warning ("type %x not implemented", type->type);
4053 g_assert_not_reached ();
4056 mono_mb_emit_byte (mb, CEE_RET);
4058 res = mono_mb_create_and_cache (stfld_hash, klass,
4059 mb, sig, sig->param_count + 16);
4066 * generates IL code for the icall wrapper (the generated method
4067 * calls the unmanaged code in func)
4070 mono_marshal_get_icall_wrapper (MonoMethodSignature *sig, const char *name, gconstpointer func)
4072 MonoMethodSignature *csig;
4073 MonoMethodBuilder *mb;
4077 g_assert (sig->pinvoke);
4079 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_MANAGED_TO_NATIVE);
4081 mb->method->save_lmf = 1;
4083 /* we copy the signature, so that we can modify it */
4086 mono_mb_emit_byte (mb, CEE_LDARG_0);
4088 for (i = 0; i < sig->param_count; i++)
4089 mono_mb_emit_ldarg (mb, i + sig->hasthis);
4091 mono_mb_emit_native_call (mb, sig, (gpointer) func);
4092 emit_thread_interrupt_checkpoint (mb);
4093 mono_mb_emit_byte (mb, CEE_RET);
4095 csig = mono_metadata_signature_dup (sig);
4097 if (csig->call_convention == MONO_CALL_VARARG)
4098 csig->call_convention = 0;
4100 res = mono_mb_create_method (mb, csig, csig->param_count + 16);
4107 MonoMethodBuilder *mb;
4108 MonoMethodSignature *sig;
4109 MonoMethodPInvoke *piinfo;
4110 int *orig_conv_args; /* Locals containing the original values of byref args */
4112 MonoClass *retobj_class;
4113 } EmitMarshalContext;
4116 MARSHAL_ACTION_CONV_IN,
4117 MARSHAL_ACTION_PUSH,
4118 MARSHAL_ACTION_CONV_OUT,
4119 MARSHAL_ACTION_CONV_RESULT,
4120 MARSHAL_ACTION_MANAGED_CONV_IN,
4121 MARSHAL_ACTION_MANAGED_CONV_OUT,
4122 MARSHAL_ACTION_MANAGED_CONV_RESULT
4126 emit_marshal_custom (EmitMarshalContext *m, int argnum, MonoType *t,
4127 MonoMarshalSpec *spec,
4128 int conv_arg, MonoType **conv_arg_type,
4129 MarshalAction action)
4133 static MonoClass *ICustomMarshaler = NULL;
4134 static MonoMethod *cleanup_native, *cleanup_managed;
4135 static MonoMethod *marshal_managed_to_native, *marshal_native_to_managed;
4136 MonoMethod *get_instance;
4137 MonoMethodBuilder *mb = m->mb;
4138 char *exception_msg = NULL;
4142 if (!ICustomMarshaler) {
4143 ICustomMarshaler = mono_class_from_name (mono_defaults.corlib, "System.Runtime.InteropServices", "ICustomMarshaler");
4144 g_assert (ICustomMarshaler);
4146 cleanup_native = mono_class_get_method_from_name (ICustomMarshaler, "CleanUpNativeData", 1);
4147 g_assert (cleanup_native);
4148 cleanup_managed = mono_class_get_method_from_name (ICustomMarshaler, "CleanUpManagedData", 1);
4149 g_assert (cleanup_managed);
4150 marshal_managed_to_native = mono_class_get_method_from_name (ICustomMarshaler, "MarshalManagedToNative", 1);
4151 g_assert (marshal_managed_to_native);
4152 marshal_native_to_managed = mono_class_get_method_from_name (ICustomMarshaler, "MarshalNativeToManaged", 1);
4153 g_assert (marshal_native_to_managed);
4156 mtype = mono_reflection_type_from_name (spec->data.custom_data.custom_name, mb->method->klass->image);
4157 g_assert (mtype != NULL);
4158 mklass = mono_class_from_mono_type (mtype);
4159 g_assert (mklass != NULL);
4161 if (!mono_class_is_assignable_from (ICustomMarshaler, mklass))
4162 exception_msg = g_strdup_printf ("Custom marshaler '%s' does not implement the ICustomMarshaler interface.", mklass->name);
4164 get_instance = mono_class_get_method_from_name_flags (mklass, "GetInstance", 1, METHOD_ATTRIBUTE_STATIC);
4166 MonoMethodSignature *get_sig = mono_method_signature (get_instance);
4167 if ((get_sig->ret->type != MONO_TYPE_CLASS) ||
4168 (mono_class_from_mono_type (get_sig->ret) != ICustomMarshaler) ||
4169 (get_sig->params [0]->type != MONO_TYPE_STRING))
4170 get_instance = NULL;
4174 exception_msg = g_strdup_printf ("Custom marshaler '%s' does not implement a static GetInstance method that takes a single string parameter and returns an ICustomMarshaler.", mklass->name);
4176 /* Throw exception and emit compensation code if neccesary */
4177 if (exception_msg) {
4179 case MARSHAL_ACTION_CONV_IN:
4180 case MARSHAL_ACTION_CONV_RESULT:
4181 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
4182 if ((action == MARSHAL_ACTION_CONV_RESULT) || (action == MARSHAL_ACTION_MANAGED_CONV_RESULT))
4183 mono_mb_emit_byte (mb, CEE_POP);
4185 mono_mb_emit_exception_full (mb, "System", "ApplicationException", exception_msg);
4186 g_free (exception_msg);
4189 case MARSHAL_ACTION_PUSH:
4190 mono_mb_emit_byte (mb, CEE_LDNULL);
4198 /* FIXME: MS.NET seems to create one instance for each klass + cookie pair */
4199 /* FIXME: MS.NET throws an exception if GetInstance returns null */
4202 case MARSHAL_ACTION_CONV_IN:
4204 case MONO_TYPE_CLASS:
4205 case MONO_TYPE_OBJECT:
4206 case MONO_TYPE_STRING:
4207 case MONO_TYPE_ARRAY:
4208 case MONO_TYPE_SZARRAY:
4209 case MONO_TYPE_VALUETYPE:
4213 g_warning ("custom marshalling of type %x is currently not supported", t->type);
4214 g_assert_not_reached ();
4221 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
4223 mono_mb_emit_byte (mb, CEE_LDNULL);
4224 mono_mb_emit_stloc (mb, conv_arg);
4226 /* Check for null */
4227 mono_mb_emit_ldarg (mb, argnum);
4228 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
4230 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
4232 mono_mb_emit_byte (mb, CEE_CALL);
4233 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, get_instance));
4235 mono_mb_emit_ldarg (mb, argnum);
4237 if (t->type == MONO_TYPE_VALUETYPE) {
4239 * Since we can't determine the type of the argument, we
4240 * will assume the unmanaged function takes a pointer.
4242 *conv_arg_type = &mono_defaults.int_class->byval_arg;
4244 mono_mb_emit_byte (mb, CEE_BOX);
4245 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (t)));
4248 mono_mb_emit_byte (mb, CEE_CALLVIRT);
4249 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, marshal_managed_to_native));
4250 mono_mb_emit_stloc (mb, conv_arg);
4252 mono_mb_patch_addr (mb, pos2, mb->pos - (pos2 + 4));
4255 case MARSHAL_ACTION_CONV_OUT:
4256 /* Check for null */
4257 mono_mb_emit_ldloc (mb, conv_arg);
4258 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
4260 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
4262 mono_mb_emit_byte (mb, CEE_CALL);
4263 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, get_instance));
4265 mono_mb_emit_ldloc (mb, conv_arg);
4267 mono_mb_emit_byte (mb, CEE_CALLVIRT);
4268 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, cleanup_native));
4270 mono_mb_patch_addr (mb, pos2, mb->pos - (pos2 + 4));
4273 case MARSHAL_ACTION_PUSH:
4274 mono_mb_emit_ldloc (mb, conv_arg);
4277 case MARSHAL_ACTION_CONV_RESULT:
4278 loc1 = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
4280 mono_mb_emit_byte (mb, CEE_STLOC_3);
4282 mono_mb_emit_byte (mb, CEE_LDLOC_3);
4283 mono_mb_emit_stloc (mb, loc1);
4285 /* Check for null */
4286 mono_mb_emit_byte (mb, CEE_LDLOC_3);
4287 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
4289 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
4291 mono_mb_emit_byte (mb, CEE_CALL);
4292 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, get_instance));
4293 mono_mb_emit_byte (mb, CEE_DUP);
4295 mono_mb_emit_byte (mb, CEE_LDLOC_3);
4296 mono_mb_emit_byte (mb, CEE_CALLVIRT);
4297 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, marshal_native_to_managed));
4298 mono_mb_emit_byte (mb, CEE_STLOC_3);
4300 mono_mb_emit_ldloc (mb, loc1);
4301 mono_mb_emit_byte (mb, CEE_CALLVIRT);
4302 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, cleanup_native));
4304 mono_mb_patch_addr (mb, pos2, mb->pos - (pos2 + 4));
4307 case MARSHAL_ACTION_MANAGED_CONV_IN:
4313 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4315 mono_mb_emit_byte (mb, CEE_LDNULL);
4316 mono_mb_emit_stloc (mb, conv_arg);
4318 /* Check for null */
4319 mono_mb_emit_ldarg (mb, argnum);
4320 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
4322 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
4323 mono_mb_emit_byte (mb, CEE_CALL);
4324 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, get_instance));
4326 mono_mb_emit_ldarg (mb, argnum);
4328 mono_mb_emit_byte (mb, CEE_CALLVIRT);
4329 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, marshal_native_to_managed));
4330 mono_mb_emit_stloc (mb, conv_arg);
4332 mono_mb_patch_addr (mb, pos2, mb->pos - (pos2 + 4));
4335 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
4336 g_assert (!t->byref);
4338 loc1 = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4340 mono_mb_emit_byte (mb, CEE_STLOC_3);
4342 mono_mb_emit_byte (mb, CEE_LDLOC_3);
4343 mono_mb_emit_stloc (mb, loc1);
4345 /* Check for null */
4346 mono_mb_emit_byte (mb, CEE_LDLOC_3);
4347 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
4349 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
4350 mono_mb_emit_byte (mb, CEE_CALL);
4351 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, get_instance));
4352 mono_mb_emit_byte (mb, CEE_DUP);
4354 mono_mb_emit_byte (mb, CEE_LDLOC_3);
4355 mono_mb_emit_byte (mb, CEE_CALLVIRT);
4356 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, marshal_managed_to_native));
4357 mono_mb_emit_byte (mb, CEE_STLOC_3);
4359 mono_mb_emit_ldloc (mb, loc1);
4360 mono_mb_emit_byte (mb, CEE_CALLVIRT);
4361 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, cleanup_managed));
4363 mono_mb_patch_addr (mb, pos2, mb->pos - (pos2 + 4));
4366 case MARSHAL_ACTION_MANAGED_CONV_OUT:
4367 g_assert (!t->byref);
4369 /* Check for null */
4370 mono_mb_emit_ldloc (mb, conv_arg);
4371 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
4373 /* Call CleanUpManagedData */
4374 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
4376 mono_mb_emit_byte (mb, CEE_CALL);
4377 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, get_instance));
4379 mono_mb_emit_ldloc (mb, conv_arg);
4380 mono_mb_emit_byte (mb, CEE_CALLVIRT);
4381 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, cleanup_managed));
4383 mono_mb_patch_addr (mb, pos2, mb->pos - (pos2 + 4));
4387 g_assert_not_reached ();
4394 emit_marshal_asany (EmitMarshalContext *m, int argnum, MonoType *t,
4395 MonoMarshalSpec *spec,
4396 int conv_arg, MonoType **conv_arg_type,
4397 MarshalAction action)
4399 MonoMethodBuilder *mb = m->mb;
4402 case MARSHAL_ACTION_CONV_IN: {
4403 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, NULL);
4405 g_assert (t->type == MONO_TYPE_OBJECT);
4406 g_assert (!t->byref);
4408 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
4409 mono_mb_emit_ldarg (mb, argnum);
4410 mono_mb_emit_icon (mb, encoding);
4411 mono_mb_emit_icall (mb, mono_marshal_asany);
4412 mono_mb_emit_stloc (mb, conv_arg);
4416 case MARSHAL_ACTION_PUSH:
4417 mono_mb_emit_ldloc (mb, conv_arg);
4420 case MARSHAL_ACTION_CONV_OUT: {
4421 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, NULL);
4423 mono_mb_emit_ldarg (mb, argnum);
4424 mono_mb_emit_ldloc (mb, conv_arg);
4425 mono_mb_emit_icon (mb, encoding);
4426 mono_mb_emit_icall (mb, mono_marshal_free_asany);
4431 g_assert_not_reached ();
4438 emit_marshal_vtype (EmitMarshalContext *m, int argnum, MonoType *t,
4439 MonoMarshalSpec *spec,
4440 int conv_arg, MonoType **conv_arg_type,
4441 MarshalAction action)
4443 MonoMethodBuilder *mb = m->mb;
4447 klass = t->data.klass;
4450 case MARSHAL_ACTION_CONV_IN:
4451 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
4452 klass->blittable || klass->enumtype)
4455 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
4457 /* store the address of the source into local variable 0 */
4459 mono_mb_emit_ldarg (mb, argnum);
4461 mono_mb_emit_ldarg_addr (mb, argnum);
4463 mono_mb_emit_byte (mb, CEE_STLOC_0);
4465 /* allocate space for the native struct and
4466 * store the address into local variable 1 (dest) */
4467 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
4468 mono_mb_emit_byte (mb, CEE_PREFIX1);
4469 mono_mb_emit_byte (mb, CEE_LOCALLOC);
4470 mono_mb_emit_stloc (mb, conv_arg);
4473 mono_mb_emit_byte (mb, CEE_LDLOC_0);
4474 mono_mb_emit_byte (mb, CEE_BRFALSE);
4476 mono_mb_emit_i4 (mb, 0);
4479 if (!(t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT))) {
4481 mono_mb_emit_ldloc (mb, conv_arg);
4482 mono_mb_emit_byte (mb, CEE_STLOC_1);
4484 /* emit valuetype conversion code */
4485 emit_struct_conv (mb, klass, FALSE);
4489 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
4492 case MARSHAL_ACTION_PUSH:
4493 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
4494 klass->blittable || klass->enumtype) {
4495 mono_mb_emit_ldarg (mb, argnum);
4498 mono_mb_emit_ldloc (mb, conv_arg);
4500 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4501 mono_mb_emit_byte (mb, CEE_MONO_LDNATIVEOBJ);
4502 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
4506 case MARSHAL_ACTION_CONV_OUT:
4507 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
4508 klass->blittable || klass->enumtype)
4512 /* dst = argument */
4513 mono_mb_emit_ldarg (mb, argnum);
4514 mono_mb_emit_byte (mb, CEE_STLOC_1);
4516 mono_mb_emit_byte (mb, CEE_LDLOC_1);
4517 mono_mb_emit_byte (mb, CEE_BRFALSE);
4519 mono_mb_emit_i4 (mb, 0);
4521 /* src = tmp_locals [i] */
4522 mono_mb_emit_ldloc (mb, conv_arg);
4523 mono_mb_emit_byte (mb, CEE_STLOC_0);
4525 /* emit valuetype conversion code */
4526 emit_struct_conv (mb, klass, TRUE);
4529 emit_struct_free (mb, klass, conv_arg);
4532 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
4535 case MARSHAL_ACTION_CONV_RESULT:
4536 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
4538 mono_mb_emit_byte (mb, CEE_STLOC_3);
4541 /* load pointer to returned value type */
4542 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4543 mono_mb_emit_byte (mb, CEE_MONO_VTADDR);
4544 /* store the address of the source into local variable 0 */
4545 mono_mb_emit_byte (mb, CEE_STLOC_0);
4547 mono_mb_emit_ldloc_addr (mb, 3);
4548 mono_mb_emit_byte (mb, CEE_STLOC_1);
4550 /* emit valuetype conversion code */
4551 emit_struct_conv (mb, klass, TRUE);
4554 case MARSHAL_ACTION_MANAGED_CONV_IN:
4555 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
4556 klass->blittable || klass->enumtype) {
4561 conv_arg = mono_mb_add_local (mb, &klass->byval_arg);
4563 if (t->attrs & PARAM_ATTRIBUTE_OUT)
4567 mono_mb_emit_ldarg (mb, argnum);
4569 mono_mb_emit_ldarg_addr (mb, argnum);
4570 mono_mb_emit_byte (mb, CEE_STLOC_0);
4573 mono_mb_emit_byte (mb, CEE_LDLOC_0);
4574 mono_mb_emit_byte (mb, CEE_BRFALSE);
4576 mono_mb_emit_i4 (mb, 0);
4579 mono_mb_emit_ldloc_addr (mb, conv_arg);
4580 mono_mb_emit_byte (mb, CEE_STLOC_1);
4582 /* emit valuetype conversion code */
4583 emit_struct_conv (mb, klass, TRUE);
4586 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
4589 case MARSHAL_ACTION_MANAGED_CONV_OUT:
4590 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
4591 klass->blittable || klass->enumtype) {
4595 /* Check for null */
4596 mono_mb_emit_ldarg (mb, argnum);
4597 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
4600 mono_mb_emit_ldloc_addr (mb, conv_arg);
4601 mono_mb_emit_byte (mb, CEE_STLOC_0);
4604 mono_mb_emit_ldarg (mb, argnum);
4605 mono_mb_emit_byte (mb, CEE_STLOC_1);
4607 /* emit valuetype conversion code */
4608 emit_struct_conv (mb, klass, FALSE);
4610 mono_mb_patch_addr (mb, pos2, mb->pos - (pos2 + 4));
4613 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
4614 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
4615 klass->blittable || klass->enumtype) {
4616 mono_mb_emit_byte (mb, CEE_STLOC_3);
4621 /* load pointer to returned value type */
4622 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4623 mono_mb_emit_byte (mb, CEE_MONO_VTADDR);
4625 /* store the address of the source into local variable 0 */
4626 mono_mb_emit_byte (mb, CEE_STLOC_0);
4627 /* allocate space for the native struct and
4628 * store the address into dst_ptr */
4629 m->retobj_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
4630 m->retobj_class = klass;
4631 g_assert (m->retobj_var);
4632 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
4633 mono_mb_emit_byte (mb, CEE_CONV_I);
4634 mono_mb_emit_icall (mb, mono_marshal_alloc);
4635 mono_mb_emit_byte (mb, CEE_STLOC_1);
4636 mono_mb_emit_byte (mb, CEE_LDLOC_1);
4637 mono_mb_emit_stloc (mb, m->retobj_var);
4639 /* emit valuetype conversion code */
4640 emit_struct_conv (mb, klass, FALSE);
4644 g_assert_not_reached ();
4651 emit_marshal_string (EmitMarshalContext *m, int argnum, MonoType *t,
4652 MonoMarshalSpec *spec,
4653 int conv_arg, MonoType **conv_arg_type,
4654 MarshalAction action)
4656 MonoMethodBuilder *mb = m->mb;
4657 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
4658 MonoMarshalConv conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
4662 case MARSHAL_ACTION_CONV_IN:
4663 *conv_arg_type = &mono_defaults.int_class->byval_arg;
4664 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
4667 if (t->attrs & PARAM_ATTRIBUTE_OUT)
4670 mono_mb_emit_ldarg (mb, argnum);
4671 mono_mb_emit_byte (mb, CEE_LDIND_I);
4673 mono_mb_emit_ldarg (mb, argnum);
4677 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
4678 MonoException *exc = mono_get_exception_not_implemented (msg);
4681 mono_raise_exception (exc);
4684 mono_mb_emit_icall (mb, conv_to_icall (conv));
4686 mono_mb_emit_stloc (mb, conv_arg);
4689 case MARSHAL_ACTION_CONV_OUT:
4690 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT)) {
4691 mono_mb_emit_ldarg (mb, argnum);
4692 mono_mb_emit_ldloc (mb, conv_arg);
4693 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_LPSTR_STR));
4694 mono_mb_emit_byte (mb, CEE_STIND_I);
4696 if (mono_marshal_need_free (t, m->piinfo, spec)) {
4697 mono_mb_emit_ldloc (mb, conv_arg);
4698 mono_mb_emit_icall (mb, mono_marshal_free);
4703 case MARSHAL_ACTION_CONV_RESULT:
4704 mono_mb_emit_byte (mb, CEE_STLOC_0);
4705 mono_mb_emit_byte (mb, CEE_LDLOC_0);
4708 switch (spec->native) {
4709 case MONO_NATIVE_LPWSTR:
4710 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_LPWSTR_STR));
4713 g_warning ("marshalling conversion not implemented");
4714 g_assert_not_reached ();
4717 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_LPSTR_STR));
4719 mono_mb_emit_byte (mb, CEE_STLOC_3);
4721 /* free the string */
4722 mono_mb_emit_byte (mb, CEE_LDLOC_0);
4723 mono_mb_emit_icall (mb, g_free);
4726 case MARSHAL_ACTION_MANAGED_CONV_IN:
4732 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4733 *conv_arg_type = &mono_defaults.int_class->byval_arg;
4735 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
4737 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
4738 mono_mb_emit_exception_marshal_directive (mb, msg);
4742 mono_mb_emit_ldarg (mb, argnum);
4743 mono_mb_emit_icall (mb, conv_to_icall (conv));
4744 mono_mb_emit_stloc (mb, conv_arg);
4747 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
4748 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_STR_LPSTR));
4749 mono_mb_emit_byte (mb, CEE_STLOC_3);
4753 g_assert_not_reached ();
4760 emit_marshal_object (EmitMarshalContext *m, int argnum, MonoType *t,
4761 MonoMarshalSpec *spec,
4762 int conv_arg, MonoType **conv_arg_type,
4763 MarshalAction action)
4765 MonoMethodBuilder *mb = m->mb;
4766 MonoClass *klass = t->data.klass;
4770 case MARSHAL_ACTION_CONV_IN:
4771 *conv_arg_type = &mono_defaults.int_class->byval_arg;
4772 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
4774 m->orig_conv_args [argnum] = 0;
4776 if (klass->delegate) {
4777 g_assert (!t->byref);
4778 mono_mb_emit_ldarg (mb, argnum);
4779 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_DEL_FTN));
4780 mono_mb_emit_stloc (mb, conv_arg);
4781 } else if (klass == mono_defaults.stringbuilder_class) {
4782 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
4783 MonoMarshalConv conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
4785 g_assert (!t->byref);
4786 mono_mb_emit_ldarg (mb, argnum);
4789 mono_mb_emit_icall (mb, conv_to_icall (conv));
4791 char *msg = g_strdup_printf ("stringbuilder marshalling conversion %d not implemented", encoding);
4792 MonoException *exc = mono_get_exception_not_implemented (msg);
4795 mono_raise_exception (exc);
4798 mono_mb_emit_stloc (mb, conv_arg);
4799 } else if (klass->blittable) {
4800 mono_mb_emit_ldarg (mb, argnum);
4801 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4802 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
4803 mono_mb_emit_icon (mb, sizeof (MonoObject));
4804 mono_mb_emit_byte (mb, CEE_ADD);
4805 mono_mb_emit_stloc (mb, conv_arg);
4808 mono_mb_emit_byte (mb, CEE_LDNULL);
4809 mono_mb_emit_stloc (mb, conv_arg);
4812 /* we dont need any conversions for out parameters */
4813 if (t->attrs & PARAM_ATTRIBUTE_OUT)
4816 mono_mb_emit_ldarg (mb, argnum);
4817 mono_mb_emit_byte (mb, CEE_LDIND_I);
4820 mono_mb_emit_ldarg (mb, argnum);
4821 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4822 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
4825 /* store the address of the source into local variable 0 */
4826 mono_mb_emit_byte (mb, CEE_STLOC_0);
4827 mono_mb_emit_byte (mb, CEE_LDLOC_0);
4828 mono_mb_emit_byte (mb, CEE_BRFALSE);
4830 mono_mb_emit_i4 (mb, 0);
4832 /* allocate space for the native struct and store the address */
4833 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
4834 mono_mb_emit_byte (mb, CEE_PREFIX1);
4835 mono_mb_emit_byte (mb, CEE_LOCALLOC);
4836 mono_mb_emit_stloc (mb, conv_arg);
4839 /* Need to store the original buffer so we can free it later */
4840 m->orig_conv_args [argnum] = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
4841 mono_mb_emit_ldloc (mb, conv_arg);
4842 mono_mb_emit_stloc (mb, m->orig_conv_args [argnum]);
4845 /* set the src_ptr */
4846 mono_mb_emit_byte (mb, CEE_LDLOC_0);
4847 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4848 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
4849 mono_mb_emit_icon (mb, sizeof (MonoObject));
4850 mono_mb_emit_byte (mb, CEE_ADD);
4851 mono_mb_emit_byte (mb, CEE_STLOC_0);
4854 mono_mb_emit_ldloc (mb, conv_arg);
4855 mono_mb_emit_byte (mb, CEE_STLOC_1);
4857 /* emit valuetype conversion code */
4858 emit_struct_conv (mb, klass, FALSE);
4860 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
4864 case MARSHAL_ACTION_CONV_OUT:
4865 if (klass == mono_defaults.stringbuilder_class) {
4867 MonoMarshalNative encoding;
4868 MonoMarshalConv conv;
4870 encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
4871 conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free);
4873 g_assert (!t->byref);
4874 g_assert (encoding != -1);
4876 mono_mb_emit_ldarg (mb, argnum);
4877 mono_mb_emit_ldloc (mb, conv_arg);
4879 mono_mb_emit_icall (mb, conv_to_icall (conv));
4882 mono_mb_emit_ldloc (mb, conv_arg);
4883 mono_mb_emit_icall (mb, mono_marshal_free);
4888 if (klass->delegate)
4891 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT)) {
4892 /* allocate a new object */
4893 mono_mb_emit_ldarg (mb, argnum);
4894 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4895 mono_mb_emit_byte (mb, CEE_MONO_NEWOBJ);
4896 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, t->data.klass));
4897 mono_mb_emit_byte (mb, CEE_STIND_I);
4900 /* dst = *argument */
4901 mono_mb_emit_ldarg (mb, argnum);
4904 mono_mb_emit_byte (mb, CEE_LDIND_I);
4906 mono_mb_emit_byte (mb, CEE_STLOC_1);
4908 mono_mb_emit_byte (mb, CEE_LDLOC_1);
4909 mono_mb_emit_byte (mb, CEE_BRFALSE);
4911 mono_mb_emit_i4 (mb, 0);
4913 if (t->byref || (t->attrs & PARAM_ATTRIBUTE_OUT)) {
4914 mono_mb_emit_byte (mb, CEE_LDLOC_1);
4915 mono_mb_emit_icon (mb, sizeof (MonoObject));
4916 mono_mb_emit_byte (mb, CEE_ADD);
4917 mono_mb_emit_byte (mb, CEE_STLOC_1);
4919 /* src = tmp_locals [i] */
4920 mono_mb_emit_ldloc (mb, conv_arg);
4921 mono_mb_emit_byte (mb, CEE_STLOC_0);
4923 /* emit valuetype conversion code */
4924 emit_struct_conv (mb, t->data.klass, TRUE);
4926 /* Free the structure returned by the native code */
4927 emit_struct_free (mb, klass, conv_arg);
4929 if (m->orig_conv_args [argnum]) {
4931 * If the native function changed the pointer, then free
4932 * the original structure plus the new pointer.
4934 mono_mb_emit_ldloc (mb, m->orig_conv_args [argnum]);
4935 mono_mb_emit_ldloc (mb, conv_arg);
4936 mono_mb_emit_byte (mb, CEE_BEQ);
4938 mono_mb_emit_i4 (mb, 0);
4940 if (!(t->attrs & PARAM_ATTRIBUTE_OUT)) {
4941 g_assert (m->orig_conv_args [argnum]);
4943 emit_struct_free (mb, klass, m->orig_conv_args [argnum]);
4946 mono_mb_emit_ldloc (mb, conv_arg);
4947 mono_mb_emit_icall (mb, g_free);
4949 mono_mb_patch_addr (mb, pos2, mb->pos - (pos2 + 4));
4953 /* Free the original structure passed to native code */
4954 emit_struct_free (mb, klass, conv_arg);
4956 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
4959 case MARSHAL_ACTION_CONV_RESULT:
4960 if (klass->delegate) {
4961 g_assert (!t->byref);
4962 mono_mb_emit_byte (mb, CEE_STLOC_0);
4963 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4964 mono_mb_emit_byte (mb, CEE_MONO_CLASSCONST);
4965 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
4966 mono_mb_emit_byte (mb, CEE_LDLOC_0);
4967 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_FTN_DEL));
4968 mono_mb_emit_byte (mb, CEE_STLOC_3);
4971 mono_mb_emit_byte (mb, CEE_STLOC_0);
4973 /* Make a copy since emit_conv modifies local 0 */
4974 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
4975 mono_mb_emit_byte (mb, CEE_LDLOC_0);
4976 mono_mb_emit_stloc (mb, loc);
4978 mono_mb_emit_byte (mb, CEE_LDNULL);
4979 mono_mb_emit_byte (mb, CEE_STLOC_3);
4981 mono_mb_emit_byte (mb, CEE_LDLOC_0);
4982 mono_mb_emit_byte (mb, CEE_BRFALSE);
4984 mono_mb_emit_i4 (mb, 0);
4986 /* allocate result object */
4988 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4989 mono_mb_emit_byte (mb, CEE_MONO_NEWOBJ);
4990 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
4991 mono_mb_emit_byte (mb, CEE_STLOC_3);
4995 mono_mb_emit_byte (mb, CEE_LDLOC_3);
4996 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4997 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
4998 mono_mb_emit_icon (mb, sizeof (MonoObject));
4999 mono_mb_emit_byte (mb, CEE_ADD);
5000 mono_mb_emit_byte (mb, CEE_STLOC_1);
5002 /* emit conversion code */
5003 emit_struct_conv (mb, klass, TRUE);
5005 emit_struct_free (mb, klass, loc);
5007 /* Free the pointer allocated by unmanaged code */
5008 mono_mb_emit_ldloc (mb, loc);
5009 mono_mb_emit_icall (mb, g_free);
5010 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
5014 case MARSHAL_ACTION_MANAGED_CONV_IN:
5015 conv_arg = mono_mb_add_local (mb, &klass->byval_arg);
5017 if (klass->delegate) {
5018 g_assert (!t->byref);
5019 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5020 mono_mb_emit_byte (mb, CEE_MONO_CLASSCONST);
5021 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
5022 mono_mb_emit_ldarg (mb, argnum);
5023 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_FTN_DEL));
5024 mono_mb_emit_stloc (mb, conv_arg);
5028 /* The class can not have an automatic layout */
5029 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
5030 mono_mb_emit_auto_layout_exception (mb, klass);
5034 if (t->attrs & PARAM_ATTRIBUTE_OUT) {
5035 mono_mb_emit_byte (mb, CEE_LDNULL);
5036 mono_mb_emit_stloc (mb, conv_arg);
5041 mono_mb_emit_ldarg (mb, argnum);
5045 /* Check for NULL and raise an exception */
5046 mono_mb_emit_byte (mb, CEE_BRTRUE);
5048 mono_mb_emit_i4 (mb, 0);
5050 mono_mb_emit_exception (mb, "ArgumentNullException", NULL);
5052 mono_mb_patch_addr (mb, pos2, mb->pos - (pos2 + 4));
5053 mono_mb_emit_ldarg (mb, argnum);
5054 mono_mb_emit_byte (mb, CEE_LDIND_I);
5057 mono_mb_emit_byte (mb, CEE_STLOC_0);
5059 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
5060 mono_mb_emit_stloc (mb, conv_arg);
5062 mono_mb_emit_byte (mb, CEE_LDLOC_0);
5063 mono_mb_emit_byte (mb, CEE_BRFALSE);
5065 mono_mb_emit_i4 (mb, 0);
5067 /* Create and set dst */
5068 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5069 mono_mb_emit_byte (mb, CEE_MONO_NEWOBJ);
5070 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
5071 mono_mb_emit_stloc (mb, conv_arg);
5072 mono_mb_emit_ldloc (mb, conv_arg);
5073 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5074 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
5075 mono_mb_emit_icon (mb, sizeof (MonoObject));
5076 mono_mb_emit_byte (mb, CEE_ADD);
5077 mono_mb_emit_byte (mb, CEE_STLOC_1);
5079 /* emit valuetype conversion code */
5080 emit_struct_conv (mb, klass, TRUE);
5082 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
5085 case MARSHAL_ACTION_MANAGED_CONV_OUT:
5086 /* Check for null */
5087 mono_mb_emit_ldloc (mb, conv_arg);
5088 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
5089 mono_mb_emit_ldarg (mb, argnum);
5090 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
5091 mono_mb_emit_byte (mb, CEE_STIND_I);
5092 pos2 = mono_mb_emit_branch (mb, CEE_BR);
5094 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
5097 mono_mb_emit_ldloc (mb, conv_arg);
5098 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5099 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
5100 mono_mb_emit_icon (mb, sizeof (MonoObject));
5101 mono_mb_emit_byte (mb, CEE_ADD);
5102 mono_mb_emit_byte (mb, CEE_STLOC_0);
5104 /* Allocate and set dest */
5105 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
5106 mono_mb_emit_byte (mb, CEE_CONV_I);
5107 mono_mb_emit_icall (mb, mono_marshal_alloc);
5108 mono_mb_emit_byte (mb, CEE_STLOC_1);
5110 /* Update argument pointer */
5111 mono_mb_emit_ldarg (mb, argnum);
5112 mono_mb_emit_byte (mb, CEE_LDLOC_1);
5113 mono_mb_emit_byte (mb, CEE_STIND_I);
5115 /* emit valuetype conversion code */
5116 emit_struct_conv (mb, klass, FALSE);
5118 mono_mb_patch_addr (mb, pos2, mb->pos - (pos2 + 4));
5121 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
5122 if (klass->delegate) {
5123 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_DEL_FTN));
5124 mono_mb_emit_byte (mb, CEE_STLOC_3);
5128 /* The class can not have an automatic layout */
5129 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
5130 mono_mb_emit_auto_layout_exception (mb, klass);
5134 mono_mb_emit_byte (mb, CEE_STLOC_0);
5135 /* Check for null */
5136 mono_mb_emit_byte (mb, CEE_LDLOC_0);
5137 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
5138 mono_mb_emit_byte (mb, CEE_LDNULL);
5139 mono_mb_emit_byte (mb, CEE_STLOC_3);
5140 pos2 = mono_mb_emit_branch (mb, CEE_BR);
5142 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
5145 mono_mb_emit_byte (mb, CEE_LDLOC_0);
5146 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5147 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
5148 mono_mb_emit_icon (mb, sizeof (MonoObject));
5149 mono_mb_emit_byte (mb, CEE_ADD);
5150 mono_mb_emit_byte (mb, CEE_STLOC_0);
5152 /* Allocate and set dest */
5153 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
5154 mono_mb_emit_byte (mb, CEE_CONV_I);
5155 mono_mb_emit_icall (mb, mono_marshal_alloc);
5156 mono_mb_emit_byte (mb, CEE_DUP);
5157 mono_mb_emit_byte (mb, CEE_STLOC_1);
5158 mono_mb_emit_byte (mb, CEE_STLOC_3);
5160 emit_struct_conv (mb, klass, FALSE);
5162 mono_mb_patch_addr (mb, pos2, mb->pos - (pos2 + 4));
5166 g_assert_not_reached ();
5173 emit_marshal_array (EmitMarshalContext *m, int argnum, MonoType *t,
5174 MonoMarshalSpec *spec,
5175 int conv_arg, MonoType **conv_arg_type,
5176 MarshalAction action)
5178 MonoMethodBuilder *mb = m->mb;
5179 MonoClass *klass = mono_class_from_mono_type (t);
5180 gboolean need_convert, need_free;
5181 MonoMarshalNative encoding;
5183 encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
5186 case MARSHAL_ACTION_CONV_IN:
5187 *conv_arg_type = &mono_defaults.int_class->byval_arg;
5188 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5190 if (klass->element_class->blittable) {
5191 mono_mb_emit_ldarg (mb, argnum);
5193 mono_mb_emit_byte (mb, CEE_LDIND_I);
5194 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_ARRAY_LPARRAY));
5195 mono_mb_emit_stloc (mb, conv_arg);
5199 guint32 label1, label2, label3;
5200 int index_var, src_var, dest_ptr, esize;
5201 MonoMarshalConv conv;
5202 gboolean is_string = FALSE;
5204 dest_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5206 eklass = klass->element_class;
5208 if (eklass == mono_defaults.string_class) {
5210 conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
5212 else if (eklass == mono_defaults.stringbuilder_class) {
5214 conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
5219 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5220 mono_mb_emit_ldarg (mb, argnum);
5222 mono_mb_emit_byte (mb, CEE_LDIND_I);
5223 mono_mb_emit_stloc (mb, src_var);
5226 mono_mb_emit_ldloc (mb, src_var);
5227 mono_mb_emit_stloc (mb, conv_arg);
5228 mono_mb_emit_ldloc (mb, src_var);
5229 mono_mb_emit_byte (mb, CEE_BRFALSE);
5231 mono_mb_emit_i4 (mb, 0);
5235 char *msg = g_strdup_printf ("string/stringbuilder marshalling conversion %d not implemented", encoding);
5236 MonoException *exc = mono_get_exception_not_implemented (msg);
5239 mono_raise_exception (exc);
5244 esize = sizeof (gpointer);
5246 esize = mono_class_native_size (eklass, NULL);
5248 /* allocate space for the native struct and store the address */
5249 mono_mb_emit_icon (mb, esize);
5250 mono_mb_emit_ldloc (mb, src_var);
5251 mono_mb_emit_byte (mb, CEE_LDLEN);
5253 if (eklass == mono_defaults.string_class) {
5254 /* Make the array bigger for the terminating null */
5255 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
5256 mono_mb_emit_byte (mb, CEE_ADD);
5258 mono_mb_emit_byte (mb, CEE_MUL);
5259 mono_mb_emit_byte (mb, CEE_PREFIX1);
5260 mono_mb_emit_byte (mb, CEE_LOCALLOC);
5261 mono_mb_emit_stloc (mb, conv_arg);
5263 mono_mb_emit_ldloc (mb, conv_arg);
5264 mono_mb_emit_stloc (mb, dest_ptr);
5266 /* Emit marshalling loop */
5267 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5268 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
5269 mono_mb_emit_stloc (mb, index_var);
5271 mono_mb_emit_ldloc (mb, index_var);
5272 mono_mb_emit_ldloc (mb, src_var);
5273 mono_mb_emit_byte (mb, CEE_LDLEN);
5274 mono_mb_emit_byte (mb, CEE_BGE);
5276 mono_mb_emit_i4 (mb, 0);
5278 /* Emit marshalling code */
5281 mono_mb_emit_ldloc (mb, dest_ptr);
5282 mono_mb_emit_ldloc (mb, src_var);
5283 mono_mb_emit_ldloc (mb, index_var);
5284 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
5285 mono_mb_emit_icall (mb, conv_to_icall (conv));
5286 mono_mb_emit_byte (mb, CEE_STIND_I);
5289 /* set the src_ptr */
5290 mono_mb_emit_ldloc (mb, src_var);
5291 mono_mb_emit_ldloc (mb, index_var);
5292 mono_mb_emit_byte (mb, CEE_LDELEMA);
5293 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, eklass));
5294 mono_mb_emit_byte (mb, CEE_STLOC_0);
5297 mono_mb_emit_ldloc (mb, dest_ptr);
5298 mono_mb_emit_byte (mb, CEE_STLOC_1);
5300 /* emit valuetype conversion code */
5301 emit_struct_conv (mb, eklass, FALSE);
5304 mono_mb_emit_add_to_local (mb, index_var, 1);
5305 mono_mb_emit_add_to_local (mb, dest_ptr, esize);
5307 mono_mb_emit_byte (mb, CEE_BR);
5308 mono_mb_emit_i4 (mb, label2 - (mb->pos + 4));
5310 mono_mb_patch_addr (mb, label3, mb->pos - (label3 + 4));
5312 if (eklass == mono_defaults.string_class) {
5313 /* Null terminate */
5314 mono_mb_emit_ldloc (mb, dest_ptr);
5315 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
5316 mono_mb_emit_byte (mb, CEE_STIND_REF);
5319 mono_mb_patch_addr (mb, label1, mb->pos - (label1 + 4));
5324 case MARSHAL_ACTION_CONV_OUT:
5325 /* Unicode character arrays are implicitly marshalled as [Out] under MS.NET */
5326 need_convert = ((klass->element_class == mono_defaults.char_class) && (encoding == MONO_NATIVE_LPWSTR)) || (klass->element_class == mono_defaults.stringbuilder_class) || (t->attrs & PARAM_ATTRIBUTE_OUT);
5327 need_free = mono_marshal_need_free (&klass->element_class->byval_arg,
5330 if (need_convert || need_free) {
5331 /* FIXME: Optimize blittable case */
5333 guint32 label1, label2, label3;
5334 int index_var, src_ptr, loc, esize;
5336 eklass = klass->element_class;
5337 if ((eklass == mono_defaults.stringbuilder_class) || (eklass == mono_defaults.string_class))
5338 esize = sizeof (gpointer);
5340 esize = mono_class_native_size (eklass, NULL);
5341 src_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5342 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5345 mono_mb_emit_ldarg (mb, argnum);
5347 mono_mb_emit_byte (mb, CEE_LDIND_I);
5348 mono_mb_emit_byte (mb, CEE_BRFALSE);
5350 mono_mb_emit_i4 (mb, 0);
5352 mono_mb_emit_ldloc (mb, conv_arg);
5353 mono_mb_emit_stloc (mb, src_ptr);
5355 /* Emit marshalling loop */
5356 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5357 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
5358 mono_mb_emit_stloc (mb, index_var);
5360 mono_mb_emit_ldloc (mb, index_var);
5361 mono_mb_emit_ldarg (mb, argnum);
5363 mono_mb_emit_byte (mb, CEE_LDIND_I);
5364 mono_mb_emit_byte (mb, CEE_LDLEN);
5365 mono_mb_emit_byte (mb, CEE_BGE);
5367 mono_mb_emit_i4 (mb, 0);
5369 /* Emit marshalling code */
5371 if (eklass == mono_defaults.stringbuilder_class) {
5372 gboolean need_free2;
5373 MonoMarshalConv conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free2);
5375 g_assert (conv != -1);
5378 mono_mb_emit_ldarg (mb, argnum);
5380 mono_mb_emit_byte (mb, CEE_LDIND_I);
5381 mono_mb_emit_ldloc (mb, index_var);
5382 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
5385 mono_mb_emit_ldloc (mb, src_ptr);
5386 mono_mb_emit_byte (mb, CEE_LDIND_I);
5388 mono_mb_emit_icall (mb, conv_to_icall (conv));
5392 mono_mb_emit_ldloc (mb, src_ptr);
5393 mono_mb_emit_byte (mb, CEE_LDIND_I);
5395 mono_mb_emit_icall (mb, mono_marshal_free);
5398 else if (eklass == mono_defaults.string_class) {
5401 mono_mb_emit_ldloc (mb, src_ptr);
5402 mono_mb_emit_byte (mb, CEE_LDIND_I);
5404 mono_mb_emit_icall (mb, mono_marshal_free);
5409 /* set the src_ptr */
5410 mono_mb_emit_ldloc (mb, src_ptr);
5411 mono_mb_emit_byte (mb, CEE_STLOC_0);
5414 mono_mb_emit_ldarg (mb, argnum);
5416 mono_mb_emit_byte (mb, CEE_LDIND_I);
5417 mono_mb_emit_ldloc (mb, index_var);
5418 mono_mb_emit_byte (mb, CEE_LDELEMA);
5419 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, eklass));
5420 mono_mb_emit_byte (mb, CEE_STLOC_1);
5422 /* emit valuetype conversion code */
5423 emit_struct_conv (mb, eklass, TRUE);
5427 mono_mb_emit_ldloc (mb, src_ptr);
5428 mono_mb_emit_stloc (mb, loc);
5429 mono_mb_emit_ldloc (mb, loc);
5431 emit_struct_free (mb, eklass, loc);
5435 mono_mb_emit_add_to_local (mb, index_var, 1);
5436 mono_mb_emit_add_to_local (mb, src_ptr, esize);
5438 mono_mb_emit_byte (mb, CEE_BR);
5439 mono_mb_emit_i4 (mb, label2 - (mb->pos + 4));
5441 mono_mb_patch_addr (mb, label1, mb->pos - (label1 + 4));
5442 mono_mb_patch_addr (mb, label3, mb->pos - (label3 + 4));
5446 case MARSHAL_ACTION_CONV_RESULT:
5447 /* fixme: we need conversions here */
5448 mono_mb_emit_byte (mb, CEE_STLOC_3);
5451 case MARSHAL_ACTION_MANAGED_CONV_IN: {
5453 guint32 label1, label2, label3;
5454 int index_var, src_ptr, loc, esize, param_num, num_elem;
5455 MonoMarshalConv conv;
5456 gboolean is_string = FALSE;
5458 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
5459 *conv_arg_type = &mono_defaults.int_class->byval_arg;
5462 char *msg = g_strdup ("Byref array marshalling to managed code is not implemented.");
5463 mono_mb_emit_exception_marshal_directive (mb, msg);
5466 if (spec->native != MONO_NATIVE_LPARRAY) {
5467 char *msg = g_strdup ("Non LPArray marshalling of arrays to managed code is not implemented.");
5468 mono_mb_emit_exception_marshal_directive (mb, msg);
5472 /* FIXME: t is from the method which is wrapped, not the delegate type */
5473 /* g_assert (t->attrs & PARAM_ATTRIBUTE_IN); */
5475 param_num = spec->data.array_data.param_num;
5476 num_elem = spec->data.array_data.num_elem;
5477 if (spec->data.array_data.elem_mult == 0)
5478 /* param_num is not specified */
5481 if (param_num == -1) {
5482 if (num_elem <= 0) {
5483 char *msg = g_strdup ("Either SizeConst or SizeParamIndex should be specified when marshalling arrays to managed code.");
5484 mono_mb_emit_exception_marshal_directive (mb, msg);
5489 /* FIXME: Optimize blittable case */
5491 eklass = klass->element_class;
5492 if (eklass == mono_defaults.string_class) {
5494 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
5496 else if (eklass == mono_defaults.stringbuilder_class) {
5498 conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free);
5503 mono_marshal_load_type_info (eklass);
5506 esize = sizeof (gpointer);
5508 esize = mono_class_native_size (eklass, NULL);
5509 src_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5510 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5512 mono_mb_emit_byte (mb, CEE_LDNULL);
5513 mono_mb_emit_stloc (mb, conv_arg);
5515 /* Check param index */
5516 if (param_num != -1) {
5517 if (param_num >= m->sig->param_count) {
5518 char *msg = g_strdup ("Array size control parameter index is out of range.");
5519 mono_mb_emit_exception_marshal_directive (mb, msg);
5522 switch (m->sig->params [param_num]->type) {
5535 char *msg = g_strdup ("Array size control parameter must be an integral type.");
5536 mono_mb_emit_exception_marshal_directive (mb, msg);
5543 mono_mb_emit_ldarg (mb, argnum);
5544 mono_mb_emit_byte (mb, CEE_BRFALSE);
5546 mono_mb_emit_i4 (mb, 0);
5548 mono_mb_emit_ldarg (mb, argnum);
5549 mono_mb_emit_stloc (mb, src_ptr);
5551 /* Create managed array */
5553 * The LPArray marshalling spec says that sometimes param_num starts
5554 * from 1, sometimes it starts from 0. But MS seems to allways start
5558 if (param_num == -1)
5559 mono_mb_emit_icon (mb, num_elem);
5561 /* FIXME: Add the two together */
5562 mono_mb_emit_ldarg (mb, param_num);
5564 mono_mb_emit_icon (mb, num_elem);
5565 mono_mb_emit_byte (mb, CEE_ADD);
5569 mono_mb_emit_byte (mb, CEE_NEWARR);
5570 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, eklass));
5571 mono_mb_emit_stloc (mb, conv_arg);
5573 if (eklass->blittable) {
5574 mono_mb_emit_ldloc (mb, conv_arg);
5575 mono_mb_emit_byte (mb, CEE_CONV_I);
5576 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArray, vector));
5577 mono_mb_emit_byte (mb, CEE_ADD);
5578 mono_mb_emit_ldarg (mb, argnum);
5579 mono_mb_emit_ldloc (mb, conv_arg);
5580 mono_mb_emit_byte (mb, CEE_LDLEN);
5581 mono_mb_emit_icon (mb, esize);
5582 mono_mb_emit_byte (mb, CEE_MUL);
5583 mono_mb_emit_byte (mb, CEE_PREFIX1);
5584 mono_mb_emit_byte (mb, CEE_CPBLK);
5588 /* Emit marshalling loop */
5589 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5590 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
5591 mono_mb_emit_stloc (mb, index_var);
5593 mono_mb_emit_ldloc (mb, index_var);
5594 mono_mb_emit_ldloc (mb, conv_arg);
5595 mono_mb_emit_byte (mb, CEE_LDLEN);
5596 mono_mb_emit_byte (mb, CEE_BGE);
5598 mono_mb_emit_i4 (mb, 0);
5600 /* Emit marshalling code */
5602 g_assert (conv != -1);
5604 mono_mb_emit_ldloc (mb, conv_arg);
5605 mono_mb_emit_ldloc (mb, index_var);
5607 mono_mb_emit_ldloc (mb, src_ptr);
5608 mono_mb_emit_byte (mb, CEE_LDIND_I);
5610 mono_mb_emit_icall (mb, conv_to_icall (conv));
5611 mono_mb_emit_byte (mb, CEE_STELEM_REF);
5614 char *msg = g_strdup ("Marshalling of non-string and non-blittable arrays to managed code is not implemented.");
5615 mono_mb_emit_exception_marshal_directive (mb, msg);
5619 mono_mb_emit_add_to_local (mb, index_var, 1);
5620 mono_mb_emit_add_to_local (mb, src_ptr, esize);
5622 mono_mb_emit_byte (mb, CEE_BR);
5623 mono_mb_emit_i4 (mb, label2 - (mb->pos + 4));
5625 mono_mb_patch_addr (mb, label1, mb->pos - (label1 + 4));
5626 mono_mb_patch_addr (mb, label3, mb->pos - (label3 + 4));
5630 case MARSHAL_ACTION_MANAGED_CONV_OUT: {
5632 guint32 label1, label2, label3;
5633 int index_var, dest_ptr, loc, esize, param_num, num_elem;
5634 MonoMarshalConv conv;
5635 gboolean is_string = FALSE;
5637 /* These are already checked in CONV_IN */
5638 g_assert (!t->byref);
5639 g_assert (spec->native == MONO_NATIVE_LPARRAY);
5640 g_assert (t->attrs & PARAM_ATTRIBUTE_OUT);
5642 param_num = spec->data.array_data.param_num;
5643 num_elem = spec->data.array_data.num_elem;
5645 if (spec->data.array_data.elem_mult == 0)
5646 /* param_num is not specified */
5649 if (param_num == -1) {
5650 if (num_elem <= 0) {
5651 g_assert_not_reached ();
5655 /* FIXME: Optimize blittable case */
5657 eklass = klass->element_class;
5658 if (eklass == mono_defaults.string_class) {
5660 conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
5662 else if (eklass == mono_defaults.stringbuilder_class) {
5664 conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
5669 mono_marshal_load_type_info (eklass);
5672 esize = sizeof (gpointer);
5674 esize = mono_class_native_size (eklass, NULL);
5676 dest_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5677 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5680 mono_mb_emit_ldloc (mb, conv_arg);
5681 mono_mb_emit_byte (mb, CEE_BRFALSE);
5683 mono_mb_emit_i4 (mb, 0);
5685 mono_mb_emit_ldarg (mb, argnum);
5686 mono_mb_emit_stloc (mb, dest_ptr);
5688 if (eklass->blittable) {
5690 mono_mb_emit_ldarg (mb, argnum);
5692 mono_mb_emit_ldloc (mb, conv_arg);
5693 mono_mb_emit_byte (mb, CEE_CONV_I);
5694 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArray, vector));
5695 mono_mb_emit_byte (mb, CEE_ADD);
5697 mono_mb_emit_ldloc (mb, conv_arg);
5698 mono_mb_emit_byte (mb, CEE_LDLEN);
5699 mono_mb_emit_icon (mb, esize);
5700 mono_mb_emit_byte (mb, CEE_MUL);
5701 mono_mb_emit_byte (mb, CEE_PREFIX1);
5702 mono_mb_emit_byte (mb, CEE_CPBLK);
5706 /* Emit marshalling loop */
5707 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5708 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
5709 mono_mb_emit_stloc (mb, index_var);
5711 mono_mb_emit_ldloc (mb, index_var);
5712 mono_mb_emit_ldloc (mb, conv_arg);
5713 mono_mb_emit_byte (mb, CEE_LDLEN);
5714 mono_mb_emit_byte (mb, CEE_BGE);
5716 mono_mb_emit_i4 (mb, 0);
5718 /* Emit marshalling code */
5720 g_assert (conv != -1);
5723 mono_mb_emit_ldloc (mb, dest_ptr);
5726 mono_mb_emit_ldloc (mb, conv_arg);
5727 mono_mb_emit_ldloc (mb, index_var);
5729 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
5731 mono_mb_emit_icall (mb, conv_to_icall (conv));
5732 mono_mb_emit_byte (mb, CEE_STIND_I);
5735 char *msg = g_strdup ("Marshalling of non-string and non-blittable arrays to managed code is not implemented.");
5736 mono_mb_emit_exception_marshal_directive (mb, msg);
5740 mono_mb_emit_add_to_local (mb, index_var, 1);
5741 mono_mb_emit_add_to_local (mb, dest_ptr, esize);
5743 mono_mb_emit_byte (mb, CEE_BR);
5744 mono_mb_emit_i4 (mb, label2 - (mb->pos + 4));
5746 mono_mb_patch_addr (mb, label1, mb->pos - (label1 + 4));
5747 mono_mb_patch_addr (mb, label3, mb->pos - (label3 + 4));
5752 g_assert_not_reached ();
5759 emit_marshal_boolean (EmitMarshalContext *m, int argnum, MonoType *t,
5760 MonoMarshalSpec *spec,
5761 int conv_arg, MonoType **conv_arg_type,
5762 MarshalAction action)
5764 MonoMethodBuilder *mb = m->mb;
5767 case MARSHAL_ACTION_CONV_IN: {
5768 MonoType *local_type;
5769 int variant_bool = 0;
5773 local_type = &mono_defaults.int32_class->byval_arg;
5775 switch (spec->native) {
5776 case MONO_NATIVE_I1:
5777 local_type = &mono_defaults.byte_class->byval_arg;
5779 case MONO_NATIVE_VARIANTBOOL:
5780 local_type = &mono_defaults.int16_class->byval_arg;
5784 g_warning ("marshalling bool as native type %x is currently not supported", spec->native);
5785 local_type = &mono_defaults.int32_class->byval_arg;
5789 *conv_arg_type = &mono_defaults.int_class->byval_arg;
5790 conv_arg = mono_mb_add_local (mb, local_type);
5791 mono_mb_emit_ldarg (mb, argnum);
5792 mono_mb_emit_byte (mb, CEE_LDIND_I1);
5794 mono_mb_emit_byte (mb, CEE_NEG);
5795 mono_mb_emit_stloc (mb, conv_arg);
5799 case MARSHAL_ACTION_CONV_RESULT:
5800 /* maybe we need to make sure that it fits within 8 bits */
5801 mono_mb_emit_byte (mb, CEE_STLOC_3);
5805 g_assert_not_reached ();
5812 emit_marshal_ptr (EmitMarshalContext *m, int argnum, MonoType *t,
5813 MonoMarshalSpec *spec, int conv_arg,
5814 MonoType **conv_arg_type, MarshalAction action)
5817 case MARSHAL_ACTION_CONV_IN:
5818 if (MONO_TYPE_ISSTRUCT (t->data.type)) {
5819 char *msg = g_strdup_printf ("Can not marshal 'parameter #%d': Pointers can not reference marshaled structures. Use byref instead.", argnum + 1);
5820 mono_mb_emit_exception_marshal_directive (m->mb, msg);
5831 emit_marshal (EmitMarshalContext *m, int argnum, MonoType *t,
5832 MonoMarshalSpec *spec, int conv_arg,
5833 MonoType **conv_arg_type, MarshalAction action)
5835 /* Ensure that we have marshalling info for this param */
5836 mono_marshal_load_type_info (mono_class_from_mono_type (t));
5838 if (spec && spec->native == MONO_NATIVE_CUSTOM)
5839 return emit_marshal_custom (m, argnum, t, spec, conv_arg, conv_arg_type, action);
5841 if (spec && spec->native == MONO_NATIVE_ASANY)
5842 return emit_marshal_asany (m, argnum, t, spec, conv_arg, conv_arg_type, action);
5845 case MONO_TYPE_VALUETYPE:
5846 return emit_marshal_vtype (m, argnum, t, spec, conv_arg, conv_arg_type, action);
5847 case MONO_TYPE_STRING:
5848 return emit_marshal_string (m, argnum, t, spec, conv_arg, conv_arg_type, action);
5849 case MONO_TYPE_CLASS:
5850 case MONO_TYPE_OBJECT:
5851 return emit_marshal_object (m, argnum, t, spec, conv_arg, conv_arg_type, action);
5852 case MONO_TYPE_ARRAY:
5853 case MONO_TYPE_SZARRAY:
5854 return emit_marshal_array (m, argnum, t, spec, conv_arg, conv_arg_type, action);
5855 case MONO_TYPE_BOOLEAN:
5856 return emit_marshal_boolean (m, argnum, t, spec, conv_arg, conv_arg_type, action);
5858 return emit_marshal_ptr (m, argnum, t, spec, conv_arg, conv_arg_type, action);
5865 * mono_marshal_emit_native_wrapper:
5866 * @sig: The signature of the native function
5867 * @piinfo: Marshalling information
5868 * @mspecs: Marshalling information
5869 * @func: the native function to call
5871 * generates IL code for the pinvoke wrapper, the generated code calls @func.
5874 mono_marshal_emit_native_wrapper (MonoMethodBuilder *mb, MonoMethodSignature *sig, MonoMethodPInvoke *piinfo, MonoMarshalSpec **mspecs, gpointer func)
5876 EmitMarshalContext m;
5877 MonoMethodSignature *csig;
5879 int i, argnum, *tmp_locals;
5885 /* we copy the signature, so that we can set pinvoke to 0 */
5886 csig = mono_metadata_signature_dup (sig);
5889 /* we allocate local for use with emit_struct_conv() */
5890 /* allocate local 0 (pointer) src_ptr */
5891 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5892 /* allocate local 1 (pointer) dst_ptr */
5893 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5894 /* allocate local 2 (boolean) delete_old */
5895 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
5897 /* delete_old = FALSE */
5898 mono_mb_emit_icon (mb, 0);
5899 mono_mb_emit_byte (mb, CEE_STLOC_2);
5901 if (!MONO_TYPE_IS_VOID(sig->ret)) {
5902 /* allocate local 3 to store the return value */
5903 mono_mb_add_local (mb, sig->ret);
5906 if (mspecs [0] && mspecs [0]->native == MONO_NATIVE_CUSTOM) {
5907 /* Return type custom marshaling */
5909 * Since we can't determine the return type of the unmanaged function,
5910 * we assume it returns a pointer, and pass that pointer to
5911 * MarshalNativeToManaged.
5913 csig->ret = &mono_defaults.int_class->byval_arg;
5916 /* we first do all conversions */
5917 tmp_locals = alloca (sizeof (int) * sig->param_count);
5918 m.orig_conv_args = alloca (sizeof (int) * (sig->param_count + 1));
5920 for (i = 0; i < sig->param_count; i ++) {
5921 tmp_locals [i] = emit_marshal (&m, i + sig->hasthis, sig->params [i], mspecs [i + 1], 0, &csig->params [i], MARSHAL_ACTION_CONV_IN);
5924 /* push all arguments */
5927 mono_mb_emit_byte (mb, CEE_LDARG_0);
5929 for (i = 0; i < sig->param_count; i++) {
5930 MonoType *t = sig->params [i];
5931 MonoMarshalSpec *spec = mspecs [i + 1];
5933 if (spec && ((spec->native == MONO_NATIVE_CUSTOM) || (spec->native == MONO_NATIVE_ASANY)))
5934 emit_marshal (&m, i + sig->hasthis, t, spec, tmp_locals [i], NULL, MARSHAL_ACTION_PUSH);
5936 argnum = i + sig->hasthis;
5939 case MONO_TYPE_BOOLEAN:
5941 g_assert (tmp_locals [i]);
5942 mono_mb_emit_ldloc_addr (mb, tmp_locals [i]);
5944 mono_mb_emit_ldarg (mb, argnum);
5959 mono_mb_emit_ldarg (mb, argnum);
5961 case MONO_TYPE_VALUETYPE:
5962 emit_marshal (&m, i + sig->hasthis, t, spec, tmp_locals [i], NULL, MARSHAL_ACTION_PUSH);
5964 case MONO_TYPE_STRING:
5965 case MONO_TYPE_CLASS:
5966 case MONO_TYPE_OBJECT:
5967 case MONO_TYPE_ARRAY:
5968 case MONO_TYPE_SZARRAY:
5969 g_assert (tmp_locals [i]);
5971 mono_mb_emit_ldloc_addr (mb, tmp_locals [i]);
5973 mono_mb_emit_ldloc (mb, tmp_locals [i]);
5975 case MONO_TYPE_CHAR:
5976 /* fixme: dont know how to marshal that. We cant simply
5977 * convert it to a one byte UTF8 character, because an
5978 * unicode character may need more that one byte in UTF8 */
5979 mono_mb_emit_ldarg (mb, argnum);
5981 case MONO_TYPE_TYPEDBYREF:
5982 case MONO_TYPE_FNPTR:
5984 g_warning ("type 0x%02x unknown", t->type);
5985 g_assert_not_reached ();
5990 /* call the native method */
5991 mono_mb_emit_native_call (mb, csig, func);
5993 /* Set LastError if needed */
5994 if (piinfo->piflags & PINVOKE_ATTRIBUTE_SUPPORTS_LAST_ERROR) {
5995 MonoMethodSignature *lasterr_sig;
5997 lasterr_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
5998 lasterr_sig->ret = &mono_defaults.void_class->byval_arg;
5999 lasterr_sig->pinvoke = 1;
6001 mono_mb_emit_native_call (mb, lasterr_sig, mono_marshal_set_last_error);
6004 /* convert the result */
6005 if (!sig->ret->byref) {
6006 MonoMarshalSpec *spec = mspecs [0];
6007 type = sig->ret->type;
6009 if (spec && spec->native == MONO_NATIVE_CUSTOM) {
6010 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
6015 case MONO_TYPE_VOID:
6030 /* no conversions necessary */
6031 mono_mb_emit_byte (mb, CEE_STLOC_3);
6033 case MONO_TYPE_VALUETYPE:
6034 klass = sig->ret->data.klass;
6035 if (klass->enumtype) {
6036 type = sig->ret->data.klass->enum_basetype->type;
6039 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
6041 case MONO_TYPE_STRING:
6042 case MONO_TYPE_CLASS:
6043 case MONO_TYPE_OBJECT:
6044 case MONO_TYPE_BOOLEAN:
6045 case MONO_TYPE_ARRAY:
6046 case MONO_TYPE_SZARRAY:
6047 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
6049 case MONO_TYPE_CHAR:
6050 /* fixme: we need conversions here */
6051 mono_mb_emit_byte (mb, CEE_STLOC_3);
6053 case MONO_TYPE_TYPEDBYREF:
6054 case MONO_TYPE_FNPTR:
6056 g_warning ("return type 0x%02x unknown", sig->ret->type);
6057 g_assert_not_reached ();
6061 mono_mb_emit_byte (mb, CEE_STLOC_3);
6065 * Need to call this after converting the result since MONO_VTADDR needs
6066 * to be adjacent to the call instruction.
6068 emit_thread_interrupt_checkpoint (mb);
6070 /* we need to convert byref arguments back and free string arrays */
6071 for (i = 0; i < sig->param_count; i++) {
6072 MonoType *t = sig->params [i];
6073 MonoMarshalSpec *spec = mspecs [i + 1];
6075 argnum = i + sig->hasthis;
6077 if (spec && ((spec->native == MONO_NATIVE_CUSTOM) || (spec->native == MONO_NATIVE_ASANY))) {
6078 emit_marshal (&m, argnum, t, spec, tmp_locals [i], NULL, MARSHAL_ACTION_CONV_OUT);
6083 case MONO_TYPE_STRING:
6084 case MONO_TYPE_VALUETYPE:
6085 case MONO_TYPE_CLASS:
6086 case MONO_TYPE_OBJECT:
6087 case MONO_TYPE_SZARRAY:
6088 emit_marshal (&m, argnum, t, spec, tmp_locals [i], NULL, MARSHAL_ACTION_CONV_OUT);
6090 case MONO_TYPE_BOOLEAN:
6093 mono_mb_emit_ldarg (mb, argnum);
6094 mono_mb_emit_ldloc (mb, tmp_locals [i]);
6095 if (mspecs [i + 1] != NULL && mspecs [i + 1]->native == MONO_NATIVE_VARIANTBOOL)
6096 mono_mb_emit_byte (mb, CEE_NEG);
6097 mono_mb_emit_byte (mb, CEE_STIND_I1);
6101 if (!MONO_TYPE_IS_VOID(sig->ret))
6102 mono_mb_emit_byte (mb, CEE_LDLOC_3);
6104 mono_mb_emit_byte (mb, CEE_RET);
6108 * mono_marshal_get_native_wrapper:
6109 * @method: The MonoMethod to wrap.
6111 * generates IL code for the pinvoke wrapper (the generated method
6112 * calls the unmanaged code in piinfo->addr)
6115 mono_marshal_get_native_wrapper (MonoMethod *method)
6117 MonoMethodSignature *sig, *csig;
6118 MonoMethodPInvoke *piinfo = (MonoMethodPInvoke *) method;
6119 MonoMethodBuilder *mb;
6120 MonoMarshalSpec **mspecs;
6123 gboolean pinvoke = FALSE;
6125 const char *exc_class = "MissingMethodException";
6126 const char *exc_arg = NULL;
6128 g_assert (method != NULL);
6129 g_assert (mono_method_signature (method)->pinvoke);
6131 cache = method->klass->image->native_wrapper_cache;
6132 if ((res = mono_marshal_find_in_cache (cache, method)))
6135 sig = mono_method_signature (method);
6137 if (!(method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
6138 (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL))
6141 if (!piinfo->addr) {
6143 mono_lookup_pinvoke_call (method, &exc_class, &exc_arg);
6145 piinfo->addr = mono_lookup_internal_call (method);
6148 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_MANAGED_TO_NATIVE);
6150 mb->method->save_lmf = 1;
6152 if (!piinfo->addr) {
6153 mono_mb_emit_exception (mb, exc_class, exc_arg);
6154 csig = mono_metadata_signature_dup (sig);
6156 res = mono_mb_create_and_cache (cache, method,
6157 mb, csig, csig->param_count + 16);
6162 /* internal calls: we simply push all arguments and call the method (no conversions) */
6163 if (method->iflags & (METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL | METHOD_IMPL_ATTRIBUTE_RUNTIME)) {
6165 /* hack - string constructors returns a value */
6166 if (method->string_ctor) {
6167 csig = mono_metadata_signature_dup (sig);
6168 csig->ret = &mono_defaults.string_class->byval_arg;
6173 mono_mb_emit_byte (mb, CEE_LDARG_0);
6175 for (i = 0; i < sig->param_count; i++)
6176 mono_mb_emit_ldarg (mb, i + sig->hasthis);
6178 g_assert (piinfo->addr);
6179 mono_mb_emit_native_call (mb, csig, piinfo->addr);
6180 emit_thread_interrupt_checkpoint (mb);
6181 mono_mb_emit_byte (mb, CEE_RET);
6183 csig = mono_metadata_signature_dup (csig);
6185 res = mono_mb_create_and_cache (cache, method,
6186 mb, csig, csig->param_count + 16);
6193 mspecs = g_new (MonoMarshalSpec*, sig->param_count + 1);
6194 mono_method_get_marshal_info (method, mspecs);
6196 mono_marshal_emit_native_wrapper (mb, sig, piinfo, mspecs, piinfo->addr);
6198 csig = mono_metadata_signature_dup (sig);
6200 res = mono_mb_create_and_cache (cache, method,
6201 mb, csig, csig->param_count + 16);
6204 for (i = sig->param_count; i >= 0; i--)
6206 mono_metadata_free_marshal_spec (mspecs [i]);
6209 /* 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)); */
6215 * mono_marshal_get_native_func_wrapper:
6216 * @sig: The signature of the function
6217 * @func: The native function to wrap
6219 * Returns a wrapper method around native functions, similar to the pinvoke
6223 mono_marshal_get_native_func_wrapper (MonoMethodSignature *sig,
6224 MonoMethodPInvoke *piinfo, MonoMarshalSpec **mspecs, gpointer func)
6226 MonoMethodSignature *csig;
6228 MonoMethodBuilder *mb;
6233 cache = mono_defaults.corlib->native_wrapper_cache;
6234 if ((res = mono_marshal_find_in_cache (cache, func)))
6237 name = g_strdup_printf ("wrapper_native_%p", func);
6238 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_MANAGED_TO_NATIVE);
6239 mb->method->save_lmf = 1;
6241 mono_marshal_emit_native_wrapper (mb, sig, piinfo, mspecs, func);
6243 csig = mono_metadata_signature_dup (sig);
6245 res = mono_mb_create_and_cache (cache, func,
6246 mb, csig, csig->param_count + 16);
6249 /* 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)); */
6255 * generates IL code to call managed methods from unmanaged code
6258 mono_marshal_get_managed_wrapper (MonoMethod *method, MonoClass *delegate_klass, MonoObject *this)
6260 static MonoClass *UnmanagedFunctionPointerAttribute;
6261 MonoMethodSignature *sig, *csig, *invoke_sig;
6262 MonoMethodBuilder *mb;
6263 MonoMethod *res, *invoke;
6264 MonoMarshalSpec **mspecs;
6265 MonoMethodPInvoke piinfo;
6268 EmitMarshalContext m;
6270 g_assert (method != NULL);
6271 g_assert (!mono_method_signature (method)->pinvoke);
6274 * FIXME: Should cache the method+delegate type pair, since the same method
6275 * could be called with different delegates, thus different marshalling
6278 cache = method->klass->image->managed_wrapper_cache;
6279 if (!this && (res = mono_marshal_find_in_cache (cache, method)))
6282 invoke = mono_class_get_method_from_name (delegate_klass, "Invoke", mono_method_signature (method)->param_count);
6283 invoke_sig = mono_method_signature (invoke);
6285 mspecs = g_new0 (MonoMarshalSpec*, mono_method_signature (invoke)->param_count + 1);
6286 mono_method_get_marshal_info (invoke, mspecs);
6288 sig = mono_method_signature (method);
6290 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_NATIVE_TO_MANAGED);
6292 /* allocate local 0 (pointer) src_ptr */
6293 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6294 /* allocate local 1 (pointer) dst_ptr */
6295 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6296 /* allocate local 2 (boolean) delete_old */
6297 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
6299 if (!MONO_TYPE_IS_VOID(sig->ret)) {
6300 /* allocate local 3 to store the return value */
6301 mono_mb_add_local (mb, sig->ret);
6304 mono_mb_emit_icon (mb, 0);
6305 mono_mb_emit_byte (mb, CEE_STLOC_2);
6307 /* we copy the signature, so that we can modify it */
6308 csig = mono_metadata_signature_dup (sig);
6317 #ifdef PLATFORM_WIN32
6319 * Under windows, delegates passed to native code must use the STDCALL
6320 * calling convention.
6322 csig->call_convention = MONO_CALL_STDCALL;
6325 /* Change default calling convention if needed */
6326 /* Why is this a modopt ? */
6327 if (invoke_sig->ret && invoke_sig->ret->num_mods) {
6328 for (i = 0; i < invoke_sig->ret->num_mods; ++i) {
6329 MonoClass *cmod_class = mono_class_get (delegate_klass->image, invoke_sig->ret->modifiers [i].token);
6330 g_assert (cmod_class);
6331 if ((cmod_class->image == mono_defaults.corlib) && !strcmp (cmod_class->name_space, "System.Runtime.CompilerServices")) {
6332 if (!strcmp (cmod_class->name, "CallConvCdecl"))
6333 csig->call_convention = MONO_CALL_C;
6334 else if (!strcmp (cmod_class->name, "CallConvStdcall"))
6335 csig->call_convention = MONO_CALL_STDCALL;
6336 else if (!strcmp (cmod_class->name, "CallConvFastcall"))
6337 csig->call_convention = MONO_CALL_FASTCALL;
6338 else if (!strcmp (cmod_class->name, "CallConvThiscall"))
6339 csig->call_convention = MONO_CALL_THISCALL;
6344 /* Handle the UnmanagedFunctionPointerAttribute */
6345 if (!UnmanagedFunctionPointerAttribute)
6346 UnmanagedFunctionPointerAttribute = mono_class_from_name (mono_defaults.corlib, "System.Runtime.InteropServices", "UnmanagedFunctionPointerAttribute");
6348 /* The attribute is only available in Net 2.0 */
6349 if (UnmanagedFunctionPointerAttribute) {
6350 MonoReflectionUnmanagedFunctionPointerAttribute *attr;
6351 MonoCustomAttrInfo *cinfo;
6354 * The pinvoke attributes are stored in a real custom attribute so we have to
6357 cinfo = mono_custom_attrs_from_class (delegate_klass);
6359 attr = (MonoReflectionUnmanagedFunctionPointerAttribute*)mono_custom_attrs_get_attr (cinfo, UnmanagedFunctionPointerAttribute);
6361 memset (&piinfo, 0, sizeof (piinfo));
6363 piinfo.piflags = (attr->call_conv << 8) | (attr->charset ? (attr->charset - 1) * 2 : 1) | attr->set_last_error;
6365 csig->call_convention = attr->call_conv - 1;
6368 mono_custom_attrs_free (cinfo);
6372 /* fixme: howto handle this ? */
6375 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6376 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
6377 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, this));
6380 g_assert_not_reached ();
6384 /* we first do all conversions */
6385 tmp_locals = alloca (sizeof (int) * sig->param_count);
6386 for (i = 0; i < sig->param_count; i ++) {
6387 MonoType *t = sig->params [i];
6390 case MONO_TYPE_OBJECT:
6391 case MONO_TYPE_CLASS:
6392 case MONO_TYPE_VALUETYPE:
6393 case MONO_TYPE_ARRAY:
6394 case MONO_TYPE_SZARRAY:
6395 case MONO_TYPE_STRING:
6396 tmp_locals [i] = emit_marshal (&m, i, sig->params [i], mspecs [i + 1], 0, &csig->params [i], MARSHAL_ACTION_MANAGED_CONV_IN);
6405 emit_thread_interrupt_checkpoint (mb);
6407 for (i = 0; i < sig->param_count; i++) {
6408 MonoType *t = sig->params [i];
6410 if (tmp_locals [i]) {
6412 mono_mb_emit_ldloc_addr (mb, tmp_locals [i]);
6414 mono_mb_emit_ldloc (mb, tmp_locals [i]);
6417 mono_mb_emit_ldarg (mb, i);
6420 mono_mb_emit_managed_call (mb, method, NULL);
6422 if (mspecs [0] && mspecs [0]->native == MONO_NATIVE_CUSTOM) {
6423 emit_marshal (&m, 0, sig->ret, mspecs [0], 0, NULL, MARSHAL_ACTION_MANAGED_CONV_RESULT);
6426 if (!sig->ret->byref) {
6427 switch (sig->ret->type) {
6428 case MONO_TYPE_VOID:
6430 case MONO_TYPE_BOOLEAN:
6444 case MONO_TYPE_OBJECT:
6445 mono_mb_emit_byte (mb, CEE_STLOC_3);
6447 case MONO_TYPE_STRING:
6448 csig->ret = &mono_defaults.int_class->byval_arg;
6449 emit_marshal (&m, 0, sig->ret, mspecs [0], 0, NULL, MARSHAL_ACTION_MANAGED_CONV_RESULT);
6451 case MONO_TYPE_VALUETYPE:
6452 case MONO_TYPE_CLASS:
6453 emit_marshal (&m, 0, sig->ret, mspecs [0], 0, NULL, MARSHAL_ACTION_MANAGED_CONV_RESULT);
6456 g_warning ("return type 0x%02x unknown", sig->ret->type);
6457 g_assert_not_reached ();
6460 mono_mb_emit_byte (mb, CEE_STLOC_3);
6463 /* Convert byref arguments back */
6464 for (i = 0; i < sig->param_count; i ++) {
6465 MonoType *t = sig->params [i];
6466 MonoMarshalSpec *spec = mspecs [i + 1];
6468 if (spec && spec->native == MONO_NATIVE_CUSTOM) {
6469 emit_marshal (&m, i, t, mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_MANAGED_CONV_OUT);
6471 else if (t->byref) {
6473 case MONO_TYPE_CLASS:
6474 case MONO_TYPE_VALUETYPE:
6475 emit_marshal (&m, i, t, mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_MANAGED_CONV_OUT);
6479 else if (invoke_sig->params [i]->attrs & PARAM_ATTRIBUTE_OUT) {
6480 /* The [Out] information is encoded in the delegate signature */
6482 case MONO_TYPE_SZARRAY:
6483 emit_marshal (&m, i, invoke_sig->params [i], mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_MANAGED_CONV_OUT);
6486 g_assert_not_reached ();
6492 mono_mb_emit_ldloc (mb, m.retobj_var);
6493 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6494 mono_mb_emit_byte (mb, CEE_MONO_RETOBJ);
6495 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, m.retobj_class));
6498 if (!MONO_TYPE_IS_VOID(sig->ret))
6499 mono_mb_emit_byte (mb, CEE_LDLOC_3);
6500 mono_mb_emit_byte (mb, CEE_RET);
6504 res = mono_mb_create_and_cache (cache, method,
6505 mb, csig, sig->param_count + 16);
6507 res = mono_mb_create_method (mb, csig, sig->param_count + 16);
6512 for (i = mono_method_signature (invoke)->param_count; i >= 0; i--)
6514 mono_metadata_free_marshal_spec (mspecs [i]);
6517 /* 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)); */
6523 mono_upgrade_remote_class_wrapper (MonoReflectionType *rtype, MonoTransparentProxy *tproxy);
6525 static MonoReflectionType *
6526 type_from_handle (MonoType *handle)
6528 MonoDomain *domain = mono_domain_get ();
6529 MonoClass *klass = mono_class_from_mono_type (handle);
6531 MONO_ARCH_SAVE_REGS;
6533 mono_class_init (klass);
6534 return mono_type_get_object (domain, handle);
6538 * mono_marshal_get_isinst:
6539 * @klass: the type of the field
6541 * This method generates a function which can be used to check if an object is
6542 * an instance of the given type, icluding the case where the object is a proxy.
6543 * The generated function has the following signature:
6544 * MonoObject* __isinst_wrapper_ (MonoObject *obj)
6547 mono_marshal_get_isinst (MonoClass *klass)
6549 static MonoMethodSignature *isint_sig = NULL;
6550 static GHashTable *isinst_hash = NULL;
6552 int pos_was_ok, pos_failed, pos_end, pos_end2;
6554 MonoMethodBuilder *mb;
6556 EnterCriticalSection (&marshal_mutex);
6558 isinst_hash = g_hash_table_new (NULL, NULL);
6560 res = g_hash_table_lookup (isinst_hash, klass);
6561 LeaveCriticalSection (&marshal_mutex);
6566 isint_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
6567 isint_sig->params [0] = &mono_defaults.object_class->byval_arg;
6568 isint_sig->ret = &mono_defaults.object_class->byval_arg;
6569 isint_sig->pinvoke = 0;
6572 name = g_strdup_printf ("__isinst_wrapper_%s", klass->name);
6573 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_ISINST);
6576 mb->method->save_lmf = 1;
6578 /* check if the object is a proxy that needs special cast */
6579 mono_mb_emit_ldarg (mb, 0);
6580 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6581 mono_mb_emit_byte (mb, CEE_MONO_CISINST);
6582 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
6584 /* The result of MONO_ISINST can be:
6585 0) the type check succeeded
6586 1) the type check did not succeed
6587 2) a CanCastTo call is needed */
6589 mono_mb_emit_byte (mb, CEE_DUP);
6590 pos_was_ok = mono_mb_emit_branch (mb, CEE_BRFALSE);
6592 mono_mb_emit_byte (mb, CEE_LDC_I4_2);
6593 pos_failed = mono_mb_emit_branch (mb, CEE_BNE_UN);
6595 /* get the real proxy from the transparent proxy*/
6597 mono_mb_emit_ldarg (mb, 0);
6598 mono_mb_emit_managed_call (mb, mono_marshal_get_proxy_cancast (klass), NULL);
6599 pos_end = mono_mb_emit_branch (mb, CEE_BR);
6603 mono_mb_patch_addr (mb, pos_failed, mb->pos - (pos_failed + 4));
6604 mono_mb_emit_byte (mb, CEE_LDNULL);
6605 pos_end2 = mono_mb_emit_branch (mb, CEE_BR);
6609 mono_mb_patch_addr (mb, pos_was_ok, mb->pos - (pos_was_ok + 4));
6610 mono_mb_emit_byte (mb, CEE_POP);
6611 mono_mb_emit_ldarg (mb, 0);
6615 mono_mb_patch_addr (mb, pos_end, mb->pos - (pos_end + 4));
6616 mono_mb_patch_addr (mb, pos_end2, mb->pos - (pos_end2 + 4));
6617 mono_mb_emit_byte (mb, CEE_RET);
6619 res = mono_mb_create_and_cache (isinst_hash, klass, mb, isint_sig, isint_sig->param_count + 16);
6626 * mono_marshal_get_castclass:
6627 * @klass: the type of the field
6629 * This method generates a function which can be used to cast an object to
6630 * an instance of the given type, icluding the case where the object is a proxy.
6631 * The generated function has the following signature:
6632 * MonoObject* __castclass_wrapper_ (MonoObject *obj)
6635 mono_marshal_get_castclass (MonoClass *klass)
6637 static MonoMethodSignature *castclass_sig = NULL;
6638 static GHashTable *castclass_hash = NULL;
6640 int pos_was_ok, pos_was_ok2;
6642 MonoMethodBuilder *mb;
6644 EnterCriticalSection (&marshal_mutex);
6645 if (!castclass_hash)
6646 castclass_hash = g_hash_table_new (NULL, NULL);
6648 res = g_hash_table_lookup (castclass_hash, klass);
6649 LeaveCriticalSection (&marshal_mutex);
6653 if (!castclass_sig) {
6654 castclass_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
6655 castclass_sig->params [0] = &mono_defaults.object_class->byval_arg;
6656 castclass_sig->ret = &mono_defaults.object_class->byval_arg;
6657 castclass_sig->pinvoke = 0;
6660 name = g_strdup_printf ("__castclass_wrapper_%s", klass->name);
6661 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_CASTCLASS);
6664 mb->method->save_lmf = 1;
6666 /* check if the object is a proxy that needs special cast */
6667 mono_mb_emit_ldarg (mb, 0);
6668 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6669 mono_mb_emit_byte (mb, CEE_MONO_CCASTCLASS);
6670 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
6672 /* The result of MONO_ISINST can be:
6673 0) the cast is valid
6674 1) cast of unknown proxy type
6675 or an exception if the cast is is invalid
6678 pos_was_ok = mono_mb_emit_branch (mb, CEE_BRFALSE);
6680 /* get the real proxy from the transparent proxy*/
6682 mono_mb_emit_ldarg (mb, 0);
6683 mono_mb_emit_managed_call (mb, mono_marshal_get_proxy_cancast (klass), NULL);
6684 pos_was_ok2 = mono_mb_emit_branch (mb, CEE_BRTRUE);
6687 mono_mb_emit_exception (mb, "InvalidCastException", NULL);
6690 mono_mb_patch_addr (mb, pos_was_ok, mb->pos - (pos_was_ok + 4));
6691 mono_mb_patch_addr (mb, pos_was_ok2, mb->pos - (pos_was_ok2 + 4));
6692 mono_mb_emit_ldarg (mb, 0);
6695 mono_mb_emit_byte (mb, CEE_RET);
6697 res = mono_mb_create_and_cache (castclass_hash, klass, mb, castclass_sig, castclass_sig->param_count + 16);
6704 mono_marshal_get_proxy_cancast (MonoClass *klass)
6706 static MonoMethodSignature *from_handle_sig = NULL;
6707 static MonoMethodSignature *upgrade_proxy_sig = NULL;
6708 static MonoMethodSignature *isint_sig = NULL;
6709 static GHashTable *proxy_isinst_hash = NULL;
6711 int pos_failed, pos_end;
6713 MonoMethod *can_cast_to;
6714 MonoMethodDesc *desc;
6715 MonoMethodBuilder *mb;
6717 EnterCriticalSection (&marshal_mutex);
6718 if (!proxy_isinst_hash)
6719 proxy_isinst_hash = g_hash_table_new (NULL, NULL);
6721 res = g_hash_table_lookup (proxy_isinst_hash, klass);
6722 LeaveCriticalSection (&marshal_mutex);
6727 upgrade_proxy_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 2);
6728 upgrade_proxy_sig->params [0] = &mono_defaults.object_class->byval_arg;
6729 upgrade_proxy_sig->params [1] = &mono_defaults.object_class->byval_arg;
6730 upgrade_proxy_sig->ret = &mono_defaults.void_class->byval_arg;
6731 upgrade_proxy_sig->pinvoke = 1;
6733 from_handle_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
6734 from_handle_sig->params [0] = &mono_defaults.object_class->byval_arg;
6735 from_handle_sig->ret = &mono_defaults.object_class->byval_arg;
6737 isint_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
6738 isint_sig->params [0] = &mono_defaults.object_class->byval_arg;
6739 isint_sig->ret = &mono_defaults.object_class->byval_arg;
6740 isint_sig->pinvoke = 0;
6743 name = g_strdup_printf ("__proxy_isinst_wrapper_%s", klass->name);
6744 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_PROXY_ISINST);
6747 mb->method->save_lmf = 1;
6749 /* get the real proxy from the transparent proxy*/
6750 mono_mb_emit_ldarg (mb, 0);
6751 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
6752 mono_mb_emit_byte (mb, CEE_LDIND_I);
6754 /* get the refletion type from the type handle */
6755 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6756 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
6757 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, &klass->byval_arg));
6758 mono_mb_emit_native_call (mb, from_handle_sig, type_from_handle);
6760 mono_mb_emit_ldarg (mb, 0);
6762 /* make the call to CanCastTo (type, ob) */
6763 desc = mono_method_desc_new ("IRemotingTypeInfo:CanCastTo", FALSE);
6764 can_cast_to = mono_method_desc_search_in_class (desc, mono_defaults.iremotingtypeinfo_class);
6765 g_assert (can_cast_to);
6766 mono_method_desc_free (desc);
6767 mono_mb_emit_byte (mb, CEE_CALLVIRT);
6768 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, can_cast_to));
6771 pos_failed = mono_mb_emit_branch (mb, CEE_BRFALSE);
6773 /* Upgrade the proxy vtable by calling: mono_upgrade_remote_class_wrapper (type, ob)*/
6774 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6775 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
6776 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, &klass->byval_arg));
6777 mono_mb_emit_native_call (mb, from_handle_sig, type_from_handle);
6778 mono_mb_emit_ldarg (mb, 0);
6780 mono_mb_emit_native_call (mb, upgrade_proxy_sig, mono_upgrade_remote_class_wrapper);
6781 emit_thread_interrupt_checkpoint (mb);
6783 mono_mb_emit_ldarg (mb, 0);
6784 pos_end = mono_mb_emit_branch (mb, CEE_BR);
6788 mono_mb_patch_addr (mb, pos_failed, mb->pos - (pos_failed + 4));
6789 mono_mb_emit_byte (mb, CEE_LDNULL);
6793 mono_mb_patch_addr (mb, pos_end, mb->pos - (pos_end + 4));
6794 mono_mb_emit_byte (mb, CEE_RET);
6796 res = mono_mb_create_and_cache (proxy_isinst_hash, klass, mb, isint_sig, isint_sig->param_count + 16);
6803 mono_upgrade_remote_class_wrapper (MonoReflectionType *rtype, MonoTransparentProxy *tproxy)
6806 MonoDomain *domain = ((MonoObject*)tproxy)->vtable->domain;
6807 klass = mono_class_from_mono_type (rtype->type);
6808 mono_upgrade_remote_class (domain, (MonoObject*)tproxy, klass);
6812 * mono_marshal_get_struct_to_ptr:
6815 * generates IL code for StructureToPtr (object structure, IntPtr ptr, bool fDeleteOld)
6818 mono_marshal_get_struct_to_ptr (MonoClass *klass)
6820 MonoMethodBuilder *mb;
6821 static MonoMethod *stoptr = NULL;
6824 g_assert (klass != NULL);
6826 mono_marshal_load_type_info (klass);
6828 if (klass->marshal_info->str_to_ptr)
6829 return klass->marshal_info->str_to_ptr;
6832 stoptr = mono_class_get_method_from_name (mono_defaults.marshal_class, "StructureToPtr", 3);
6835 mb = mono_mb_new (klass, stoptr->name, MONO_WRAPPER_UNKNOWN);
6837 if (klass->blittable) {
6838 mono_mb_emit_byte (mb, CEE_LDARG_1);
6839 mono_mb_emit_byte (mb, CEE_LDARG_0);
6840 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6841 mono_mb_emit_icon (mb, mono_class_value_size (klass, NULL));
6842 mono_mb_emit_byte (mb, CEE_PREFIX1);
6843 mono_mb_emit_byte (mb, CEE_CPBLK);
6846 /* allocate local 0 (pointer) src_ptr */
6847 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6848 /* allocate local 1 (pointer) dst_ptr */
6849 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6850 /* allocate local 2 (boolean) delete_old */
6851 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
6852 mono_mb_emit_byte (mb, CEE_LDARG_2);
6853 mono_mb_emit_byte (mb, CEE_STLOC_2);
6855 /* initialize src_ptr to point to the start of object data */
6856 mono_mb_emit_byte (mb, CEE_LDARG_0);
6857 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6858 mono_mb_emit_byte (mb, CEE_STLOC_0);
6860 /* initialize dst_ptr */
6861 mono_mb_emit_byte (mb, CEE_LDARG_1);
6862 mono_mb_emit_byte (mb, CEE_STLOC_1);
6864 emit_struct_conv (mb, klass, FALSE);
6867 mono_mb_emit_byte (mb, CEE_RET);
6869 res = mono_mb_create_method (mb, mono_method_signature (stoptr), 0);
6872 klass->marshal_info->str_to_ptr = res;
6877 * mono_marshal_get_ptr_to_struct:
6880 * generates IL code for PtrToStructure (IntPtr src, object structure)
6883 mono_marshal_get_ptr_to_struct (MonoClass *klass)
6885 MonoMethodBuilder *mb;
6886 static MonoMethod *ptostr = NULL;
6889 g_assert (klass != NULL);
6891 mono_marshal_load_type_info (klass);
6893 if (klass->marshal_info->ptr_to_str)
6894 return klass->marshal_info->ptr_to_str;
6897 ptostr = mono_class_get_method_from_name (mono_defaults.marshal_class, "PtrToStructure", 2);
6900 mb = mono_mb_new (klass, ptostr->name, MONO_WRAPPER_UNKNOWN);
6902 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) || klass->blittable) {
6903 mono_mb_emit_byte (mb, CEE_LDARG_1);
6904 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6905 mono_mb_emit_byte (mb, CEE_LDARG_0);
6906 mono_mb_emit_icon (mb, mono_class_value_size (klass, NULL));
6907 mono_mb_emit_byte (mb, CEE_PREFIX1);
6908 mono_mb_emit_byte (mb, CEE_CPBLK);
6911 /* allocate local 0 (pointer) src_ptr */
6912 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6913 /* allocate local 1 (pointer) dst_ptr */
6914 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6916 /* initialize src_ptr to point to the start of object data */
6917 mono_mb_emit_byte (mb, CEE_LDARG_0);
6918 mono_mb_emit_byte (mb, CEE_STLOC_0);
6920 /* initialize dst_ptr */
6921 mono_mb_emit_byte (mb, CEE_LDARG_1);
6922 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6923 mono_mb_emit_byte (mb, CEE_STLOC_1);
6925 emit_struct_conv (mb, klass, TRUE);
6928 mono_mb_emit_byte (mb, CEE_RET);
6930 res = mono_mb_create_method (mb, mono_method_signature (ptostr), 0);
6933 klass->marshal_info->ptr_to_str = res;
6938 * generates IL code for the synchronized wrapper: the generated method
6939 * calls METHOD while locking 'this' or the parent type.
6942 mono_marshal_get_synchronized_wrapper (MonoMethod *method)
6944 static MonoMethodSignature *from_handle_sig = NULL;
6945 static MonoMethod *enter_method, *exit_method;
6946 MonoMethodSignature *sig;
6947 MonoExceptionClause *clause;
6948 MonoMethodHeader *header;
6949 MonoMethodBuilder *mb;
6952 int i, pos, this_local, ret_local = 0;
6956 if (method->wrapper_type == MONO_WRAPPER_SYNCHRONIZED)
6959 cache = method->klass->image->synchronized_cache;
6960 if ((res = mono_marshal_find_in_cache (cache, method)))
6963 sig = signature_no_pinvoke (mono_method_signature (method));
6965 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_SYNCHRONIZED);
6968 if (!MONO_TYPE_IS_VOID (sig->ret))
6969 ret_local = mono_mb_add_local (mb, sig->ret);
6972 this_local = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
6974 clause = g_new0 (MonoExceptionClause, 1);
6975 clause->flags = MONO_EXCEPTION_CLAUSE_FINALLY;
6977 if (!enter_method) {
6978 MonoMethodDesc *desc;
6980 desc = mono_method_desc_new ("Monitor:Enter", FALSE);
6981 enter_method = mono_method_desc_search_in_class (desc, mono_defaults.monitor_class);
6982 g_assert (enter_method);
6983 mono_method_desc_free (desc);
6984 desc = mono_method_desc_new ("Monitor:Exit", FALSE);
6985 exit_method = mono_method_desc_search_in_class (desc, mono_defaults.monitor_class);
6986 g_assert (exit_method);
6987 mono_method_desc_free (desc);
6990 * GetTypeFromHandle isn't called as a managed method because it has
6991 * a funky calling sequence, e.g. ldtoken+GetTypeFromHandle gets
6992 * transformed into something else by the JIT.
6994 from_handle_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
6995 from_handle_sig->params [0] = &mono_defaults.object_class->byval_arg;
6996 from_handle_sig->ret = &mono_defaults.object_class->byval_arg;
6999 /* Push this or the type object */
7000 if (method->flags & METHOD_ATTRIBUTE_STATIC) {
7001 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
7002 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
7003 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, &method->klass->byval_arg));
7004 mono_mb_emit_native_call (mb, from_handle_sig, type_from_handle);
7007 mono_mb_emit_ldarg (mb, 0);
7008 mono_mb_emit_stloc (mb, this_local);
7010 /* Call Monitor::Enter() */
7011 mono_mb_emit_ldloc (mb, this_local);
7012 mono_mb_emit_managed_call (mb, enter_method, NULL);
7014 clause->try_offset = mb->pos;
7016 /* Call the method */
7018 mono_mb_emit_ldarg (mb, 0);
7019 for (i = 0; i < sig->param_count; i++)
7020 mono_mb_emit_ldarg (mb, i + (sig->hasthis == TRUE));
7022 /* this is needed to avoid recursion */
7023 mono_mb_emit_byte (mb, CEE_PREFIX1);
7024 mono_mb_emit_byte (mb, CEE_LDFTN);
7025 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, method));
7026 mono_mb_emit_calli (mb, mono_method_signature (method));
7028 if (!MONO_TYPE_IS_VOID (sig->ret))
7029 mono_mb_emit_stloc (mb, ret_local);
7031 mono_mb_emit_byte (mb, CEE_LEAVE);
7033 mono_mb_emit_i4 (mb, 0);
7035 clause->try_len = mb->pos - clause->try_offset;
7036 clause->handler_offset = mb->pos;
7038 /* Call Monitor::Exit() */
7039 mono_mb_emit_ldloc (mb, this_local);
7040 /* mono_mb_emit_native_call (mb, exit_sig, mono_monitor_exit); */
7041 mono_mb_emit_managed_call (mb, exit_method, NULL);
7042 mono_mb_emit_byte (mb, CEE_ENDFINALLY);
7044 clause->handler_len = mb->pos - clause->handler_offset;
7046 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
7047 if (!MONO_TYPE_IS_VOID (sig->ret))
7048 mono_mb_emit_ldloc (mb, ret_local);
7049 mono_mb_emit_byte (mb, CEE_RET);
7051 res = mono_mb_create_and_cache (cache, method,
7052 mb, sig, sig->param_count + 16);
7055 header = ((MonoMethodNormal *)res)->header;
7056 header->num_clauses = 1;
7057 header->clauses = clause;
7064 * the returned method calls 'method' unboxing the this argument
7067 mono_marshal_get_unbox_wrapper (MonoMethod *method)
7069 MonoMethodSignature *sig = mono_method_signature (method);
7071 MonoMethodBuilder *mb;
7075 cache = method->klass->image->unbox_wrapper_cache;
7076 if ((res = mono_marshal_find_in_cache (cache, method)))
7079 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_UNBOX);
7081 g_assert (sig->hasthis);
7083 mono_mb_emit_ldarg (mb, 0);
7084 mono_mb_emit_icon (mb, sizeof (MonoObject));
7085 mono_mb_emit_byte (mb, CEE_ADD);
7086 for (i = 0; i < sig->param_count; ++i)
7087 mono_mb_emit_ldarg (mb, i + 1);
7088 mono_mb_emit_managed_call (mb, method, NULL);
7089 mono_mb_emit_byte (mb, CEE_RET);
7091 res = mono_mb_create_and_cache (cache, method,
7092 mb, sig, sig->param_count + 16);
7095 /* 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)); */
7101 mono_marshal_get_stelemref ()
7103 static MonoMethod* ret = NULL;
7104 MonoMethodSignature *sig;
7105 MonoMethodBuilder *mb;
7107 guint32 b1, b2, b3, b4;
7110 int array_slot_addr;
7115 mb = mono_mb_new (mono_defaults.object_class, "stelemref", MONO_WRAPPER_STELEMREF);
7118 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
7120 /* void stelemref (void* array, int idx, void* value) */
7121 sig->ret = &mono_defaults.void_class->byval_arg;
7122 sig->params [0] = &mono_defaults.object_class->byval_arg;
7123 sig->params [1] = &mono_defaults.int_class->byval_arg; /* this is a natural sized int */
7124 sig->params [2] = &mono_defaults.object_class->byval_arg;
7126 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7127 vklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7128 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
7132 <ldelema (bound check)>
7136 aklass = array->vtable->klass->element_class;
7137 vklass = value->vtable->klass;
7139 if (vklass->idepth < aklass->idepth)
7142 if (vklass->supertypes [aklass->idepth - 1] != aklass)
7146 *array_slot_addr = value;
7150 if (mono_object_isinst (value, aklass))
7153 throw new ArrayTypeMismatchException ();
7156 /* ldelema (implicit bound check) */
7157 mono_mb_emit_ldarg (mb, 0);
7158 mono_mb_emit_ldarg (mb, 1);
7159 mono_mb_emit_byte (mb, CEE_LDELEMA);
7160 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_defaults.object_class));
7161 mono_mb_emit_stloc (mb, array_slot_addr);
7163 /* if (!value) goto do_store */
7164 mono_mb_emit_ldarg (mb, 2);
7165 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
7167 /* aklass = array->vtable->klass->element_class */
7168 mono_mb_emit_ldarg (mb, 0);
7169 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
7170 mono_mb_emit_byte (mb, CEE_LDIND_I);
7171 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, klass));
7172 mono_mb_emit_byte (mb, CEE_LDIND_I);
7173 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, element_class));
7174 mono_mb_emit_byte (mb, CEE_LDIND_I);
7175 mono_mb_emit_stloc (mb, aklass);
7177 /* vklass = value->vtable->klass */
7178 mono_mb_emit_ldarg (mb, 2);
7179 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
7180 mono_mb_emit_byte (mb, CEE_LDIND_I);
7181 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, klass));
7182 mono_mb_emit_byte (mb, CEE_LDIND_I);
7183 mono_mb_emit_stloc (mb, vklass);
7185 /* if (vklass->idepth < aklass->idepth) goto failue */
7186 mono_mb_emit_ldloc (mb, vklass);
7187 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
7188 mono_mb_emit_byte (mb, CEE_LDIND_U2);
7190 mono_mb_emit_ldloc (mb, aklass);
7191 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
7192 mono_mb_emit_byte (mb, CEE_LDIND_U2);
7194 b2 = mono_mb_emit_branch (mb, CEE_BLT_UN);
7196 /* if (vklass->supertypes [aklass->idepth - 1] != aklass) goto failure */
7197 mono_mb_emit_ldloc (mb, vklass);
7198 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, supertypes));
7199 mono_mb_emit_byte (mb, CEE_LDIND_I);
7201 mono_mb_emit_ldloc (mb, aklass);
7202 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
7203 mono_mb_emit_byte (mb, CEE_LDIND_U2);
7204 mono_mb_emit_icon (mb, 1);
7205 mono_mb_emit_byte (mb, CEE_SUB);
7206 mono_mb_emit_icon (mb, sizeof (void*));
7207 mono_mb_emit_byte (mb, CEE_MUL);
7208 mono_mb_emit_byte (mb, CEE_ADD);
7209 mono_mb_emit_byte (mb, CEE_LDIND_I);
7211 mono_mb_emit_ldloc (mb, aklass);
7213 b3 = mono_mb_emit_branch (mb, CEE_BNE_UN);
7217 mono_mb_patch_addr (mb, b1, mb->pos - (b1 + 4));
7218 mono_mb_emit_ldloc (mb, array_slot_addr);
7219 mono_mb_emit_ldarg (mb, 2);
7220 mono_mb_emit_byte (mb, CEE_STIND_REF);
7222 mono_mb_emit_byte (mb, CEE_RET);
7225 mono_mb_patch_addr (mb, b2, mb->pos - (b2 + 4));
7226 mono_mb_patch_addr (mb, b3, mb->pos - (b3 + 4));
7228 mono_mb_emit_ldarg (mb, 2);
7229 mono_mb_emit_ldloc (mb, aklass);
7230 mono_mb_emit_icall (mb, mono_object_isinst);
7232 b4 = mono_mb_emit_branch (mb, CEE_BRTRUE);
7233 mono_mb_patch_addr (mb, b4, copy_pos - (b4 + 4));
7234 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
7236 mono_mb_emit_byte (mb, CEE_RET);
7237 ret = mono_mb_create_method (mb, sig, 4);
7243 mono_marshal_alloc (gulong size)
7247 #ifdef PLATFORM_WIN32
7248 res = CoTaskMemAlloc (size);
7250 res = g_try_malloc ((gulong)size);
7252 mono_gc_out_of_memory ((gulong)size);
7258 mono_marshal_free (gpointer ptr)
7260 #ifdef PLATFORM_WIN32
7261 CoTaskMemFree (ptr);
7268 mono_marshal_free_array (gpointer *ptr, int size)
7275 for (i = 0; i < size; i++)
7281 mono_marshal_realloc (gpointer ptr, gpointer size)
7283 MONO_ARCH_SAVE_REGS;
7285 return g_try_realloc (ptr, (gulong)size);
7289 mono_marshal_string_to_utf16 (MonoString *s)
7291 return s ? mono_string_chars (s) : NULL;
7295 * mono_marshal_set_last_error:
7297 * This function is invoked to set the last error value from a P/Invoke call
7298 * which has SetLastError set.
7301 mono_marshal_set_last_error (void)
7304 TlsSetValue (last_error_tls_id, GINT_TO_POINTER (GetLastError ()));
7306 TlsSetValue (last_error_tls_id, GINT_TO_POINTER (errno));
7311 ves_icall_System_Runtime_InteropServices_Marshal_copy_to_unmanaged (MonoArray *src, gint32 start_index,
7312 gpointer dest, gint32 length)
7317 MONO_ARCH_SAVE_REGS;
7319 MONO_CHECK_ARG_NULL (src);
7320 MONO_CHECK_ARG_NULL (dest);
7322 g_assert (src->obj.vtable->klass->rank == 1);
7323 g_assert (start_index >= 0);
7324 g_assert (length >= 0);
7325 g_assert (start_index + length <= mono_array_length (src));
7327 element_size = mono_array_element_size (src->obj.vtable->klass);
7329 source_addr = mono_array_addr_with_size (src, element_size, start_index);
7331 memcpy (dest, source_addr, length * element_size);
7335 ves_icall_System_Runtime_InteropServices_Marshal_copy_from_unmanaged (gpointer src, gint32 start_index,
7336 MonoArray *dest, gint32 length)
7341 MONO_ARCH_SAVE_REGS;
7343 MONO_CHECK_ARG_NULL (src);
7344 MONO_CHECK_ARG_NULL (dest);
7346 g_assert (dest->obj.vtable->klass->rank == 1);
7347 g_assert (start_index >= 0);
7348 g_assert (length >= 0);
7349 g_assert (start_index + length <= mono_array_length (dest));
7351 element_size = mono_array_element_size (dest->obj.vtable->klass);
7353 dest_addr = mono_array_addr_with_size (dest, element_size, start_index);
7355 memcpy (dest_addr, src, length * element_size);
7358 #if NO_UNALIGNED_ACCESS
7359 #define RETURN_UNALIGNED(type, addr) \
7362 memcpy(&val, p + offset, sizeof(val)); \
7365 #define WRITE_UNALIGNED(type, addr, val) \
7366 memcpy(addr, &val, sizeof(type))
7368 #define RETURN_UNALIGNED(type, addr) \
7369 return *(type*)(p + offset);
7370 #define WRITE_UNALIGNED(type, addr, val) \
7371 (*(type *)(addr) = (val))
7375 ves_icall_System_Runtime_InteropServices_Marshal_ReadIntPtr (gpointer ptr, gint32 offset)
7379 MONO_ARCH_SAVE_REGS;
7381 RETURN_UNALIGNED(gpointer, p + offset);
7385 ves_icall_System_Runtime_InteropServices_Marshal_ReadByte (gpointer ptr, gint32 offset)
7389 MONO_ARCH_SAVE_REGS;
7391 return *(unsigned char*)(p + offset);
7395 ves_icall_System_Runtime_InteropServices_Marshal_ReadInt16 (gpointer ptr, gint32 offset)
7399 MONO_ARCH_SAVE_REGS;
7401 RETURN_UNALIGNED(gint16, p + offset);
7405 ves_icall_System_Runtime_InteropServices_Marshal_ReadInt32 (gpointer ptr, gint32 offset)
7409 MONO_ARCH_SAVE_REGS;
7411 RETURN_UNALIGNED(gint32, p + offset);
7415 ves_icall_System_Runtime_InteropServices_Marshal_ReadInt64 (gpointer ptr, gint32 offset)
7419 MONO_ARCH_SAVE_REGS;
7421 RETURN_UNALIGNED(gint64, p + offset);
7425 ves_icall_System_Runtime_InteropServices_Marshal_WriteByte (gpointer ptr, gint32 offset, unsigned char val)
7429 MONO_ARCH_SAVE_REGS;
7431 *(unsigned char*)(p + offset) = val;
7435 ves_icall_System_Runtime_InteropServices_Marshal_WriteIntPtr (gpointer ptr, gint32 offset, gpointer val)
7439 MONO_ARCH_SAVE_REGS;
7441 WRITE_UNALIGNED(gpointer, p + offset, val);
7445 ves_icall_System_Runtime_InteropServices_Marshal_WriteInt16 (gpointer ptr, gint32 offset, gint16 val)
7449 MONO_ARCH_SAVE_REGS;
7451 WRITE_UNALIGNED(gint16, p + offset, val);
7455 ves_icall_System_Runtime_InteropServices_Marshal_WriteInt32 (gpointer ptr, gint32 offset, gint32 val)
7459 MONO_ARCH_SAVE_REGS;
7461 WRITE_UNALIGNED(gint32, p + offset, val);
7465 ves_icall_System_Runtime_InteropServices_Marshal_WriteInt64 (gpointer ptr, gint32 offset, gint64 val)
7469 MONO_ARCH_SAVE_REGS;
7471 WRITE_UNALIGNED(gint64, p + offset, val);
7475 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringAnsi (char *ptr)
7477 MONO_ARCH_SAVE_REGS;
7482 return mono_string_new (mono_domain_get (), ptr);
7486 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringAnsi_len (char *ptr, gint32 len)
7488 MONO_ARCH_SAVE_REGS;
7491 mono_raise_exception (mono_get_exception_argument_null ("ptr"));
7492 g_assert_not_reached ();
7495 return mono_string_new_len (mono_domain_get (), ptr, len);
7499 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringUni (guint16 *ptr)
7501 MonoDomain *domain = mono_domain_get ();
7505 MONO_ARCH_SAVE_REGS;
7513 return mono_string_new_utf16 (domain, ptr, len);
7517 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringUni_len (guint16 *ptr, gint32 len)
7519 MonoDomain *domain = mono_domain_get ();
7521 MONO_ARCH_SAVE_REGS;
7524 mono_raise_exception (mono_get_exception_argument_null ("ptr"));
7525 g_assert_not_reached ();
7528 return mono_string_new_utf16 (domain, ptr, len);
7532 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringBSTR (gpointer ptr)
7534 MONO_ARCH_SAVE_REGS;
7536 g_warning ("PtrToStringBSTR not implemented");
7537 g_assert_not_reached ();
7543 ves_icall_System_Runtime_InteropServices_Marshal_GetLastWin32Error (void)
7545 MONO_ARCH_SAVE_REGS;
7547 return (GPOINTER_TO_INT (TlsGetValue (last_error_tls_id)));
7551 ves_icall_System_Runtime_InteropServices_Marshal_SizeOf (MonoReflectionType *rtype)
7557 MONO_ARCH_SAVE_REGS;
7559 MONO_CHECK_ARG_NULL (rtype);
7562 klass = mono_class_from_mono_type (type);
7563 layout = (klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK);
7565 if (layout == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
7569 msg = g_strdup_printf ("Type %s cannot be marshaled as an unmanaged structure.", klass->name);
7570 exc = mono_get_exception_argument ("t", msg);
7572 mono_raise_exception (exc);
7576 return mono_class_native_size (klass, NULL);
7580 ves_icall_System_Runtime_InteropServices_Marshal_StructureToPtr (MonoObject *obj, gpointer dst, MonoBoolean delete_old)
7585 MONO_ARCH_SAVE_REGS;
7587 MONO_CHECK_ARG_NULL (obj);
7588 MONO_CHECK_ARG_NULL (dst);
7590 method = mono_marshal_get_struct_to_ptr (obj->vtable->klass);
7594 pa [2] = &delete_old;
7596 mono_runtime_invoke (method, NULL, pa, NULL);
7600 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure (gpointer src, MonoObject *dst)
7605 MONO_ARCH_SAVE_REGS;
7607 MONO_CHECK_ARG_NULL (src);
7608 MONO_CHECK_ARG_NULL (dst);
7610 method = mono_marshal_get_ptr_to_struct (dst->vtable->klass);
7615 mono_runtime_invoke (method, NULL, pa, NULL);
7619 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure_type (gpointer src, MonoReflectionType *type)
7621 MonoDomain *domain = mono_domain_get ();
7624 MONO_ARCH_SAVE_REGS;
7626 MONO_CHECK_ARG_NULL (src);
7627 MONO_CHECK_ARG_NULL (type);
7629 res = mono_object_new (domain, mono_class_from_mono_type (type->type));
7631 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure (src, res);
7637 ves_icall_System_Runtime_InteropServices_Marshal_OffsetOf (MonoReflectionType *type, MonoString *field_name)
7639 MonoMarshalType *info;
7642 int match_index = -1;
7644 MONO_ARCH_SAVE_REGS;
7646 MONO_CHECK_ARG_NULL (type);
7647 MONO_CHECK_ARG_NULL (field_name);
7649 fname = mono_string_to_utf8 (field_name);
7650 klass = mono_class_from_mono_type (type->type);
7652 while (klass && match_index == -1) {
7653 MonoClassField* field;
7655 gpointer iter = NULL;
7656 while ((field = mono_class_get_fields (klass, &iter))) {
7657 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
7659 if (!strcmp (fname, field->name)) {
7666 if (match_index == -1)
7667 klass = klass->parent;
7672 if(match_index == -1) {
7676 /* Get back original class instance */
7677 klass = mono_class_from_mono_type (type->type);
7679 tmp = g_strdup_printf ("Field passed in is not a marshaled member of the type %s", klass->name);
7680 exc = mono_get_exception_argument ("fieldName", tmp);
7683 mono_raise_exception ((MonoException*)exc);
7686 info = mono_marshal_load_type_info (klass);
7687 return info->fields [match_index].offset;
7691 ves_icall_System_Runtime_InteropServices_Marshal_StringToHGlobalAnsi (MonoString *string)
7693 MONO_ARCH_SAVE_REGS;
7695 return mono_string_to_utf8 (string);
7699 ves_icall_System_Runtime_InteropServices_Marshal_StringToHGlobalUni (MonoString *string)
7701 MONO_ARCH_SAVE_REGS;
7706 return g_memdup (mono_string_chars (string), mono_string_length (string)*2);
7710 mono_struct_delete_old (MonoClass *klass, char *ptr)
7712 MonoMarshalType *info;
7715 info = mono_marshal_load_type_info (klass);
7717 for (i = 0; i < info->num_fields; i++) {
7718 MonoMarshalNative ntype;
7719 MonoMarshalConv conv;
7720 MonoType *ftype = info->fields [i].field->type;
7723 if (ftype->attrs & FIELD_ATTRIBUTE_STATIC)
7726 ntype = mono_type_to_unmanaged (ftype, info->fields [i].mspec, TRUE,
7727 klass->unicode, &conv);
7729 cpos = ptr + info->fields [i].offset;
7732 case MONO_MARSHAL_CONV_NONE:
7733 if (MONO_TYPE_ISSTRUCT (ftype)) {
7734 mono_struct_delete_old (ftype->data.klass, cpos);
7738 case MONO_MARSHAL_CONV_STR_LPWSTR:
7739 /* We assume this field points inside a MonoString */
7741 case MONO_MARSHAL_CONV_STR_LPSTR:
7742 case MONO_MARSHAL_CONV_STR_LPTSTR:
7743 case MONO_MARSHAL_CONV_STR_BSTR:
7744 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
7745 case MONO_MARSHAL_CONV_STR_TBSTR:
7746 mono_marshal_free (*(gpointer *)cpos);
7755 ves_icall_System_Runtime_InteropServices_Marshal_DestroyStructure (gpointer src, MonoReflectionType *type)
7759 MONO_ARCH_SAVE_REGS;
7761 MONO_CHECK_ARG_NULL (src);
7762 MONO_CHECK_ARG_NULL (type);
7764 klass = mono_class_from_mono_type (type->type);
7766 mono_struct_delete_old (klass, (char *)src);
7770 /* FIXME: on win32 we should probably use GlobalAlloc(). */
7772 ves_icall_System_Runtime_InteropServices_Marshal_AllocHGlobal (int size)
7776 MONO_ARCH_SAVE_REGS;
7778 if ((gulong)size == 0)
7779 /* This returns a valid pointer for size 0 on MS.NET */
7782 res = g_try_malloc ((gulong)size);
7784 mono_gc_out_of_memory ((gulong)size);
7790 ves_icall_System_Runtime_InteropServices_Marshal_FreeHGlobal (void *ptr)
7792 MONO_ARCH_SAVE_REGS;
7798 ves_icall_System_Runtime_InteropServices_Marshal_AllocCoTaskMem (int size)
7800 MONO_ARCH_SAVE_REGS;
7802 #ifdef PLATFORM_WIN32
7803 return CoTaskMemAlloc (size);
7805 return g_try_malloc ((gulong)size);
7810 ves_icall_System_Runtime_InteropServices_Marshal_FreeCoTaskMem (void *ptr)
7812 MONO_ARCH_SAVE_REGS;
7814 #ifdef PLATFORM_WIN32
7815 CoTaskMemFree (ptr);
7822 ves_icall_System_Runtime_InteropServices_Marshal_UnsafeAddrOfPinnedArrayElement (MonoArray *arrayobj, int index)
7824 return mono_array_addr_with_size (arrayobj, mono_array_element_size (arrayobj->obj.vtable->klass), index);
7828 ves_icall_System_Runtime_InteropServices_Marshal_GetDelegateForFunctionPointerInternal (void *ftn, MonoReflectionType *type)
7830 return mono_ftnptr_to_delegate (mono_type_get_class (type->type), ftn);
7834 mono_marshal_load_type_info (MonoClass* klass)
7837 guint32 native_size = 0, min_align = 1;
7838 MonoMarshalType *info;
7839 MonoClassField* field;
7843 g_assert (klass != NULL);
7845 if (klass->marshal_info)
7846 return klass->marshal_info;
7849 mono_class_init (klass);
7852 while ((field = mono_class_get_fields (klass, &iter))) {
7853 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
7855 if (mono_field_is_deleted (field))
7860 layout = klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK;
7862 klass->marshal_info = info = g_malloc0 (sizeof (MonoMarshalType) + sizeof (MonoMarshalField) * count);
7863 info->num_fields = count;
7865 /* Try to find a size for this type in metadata */
7866 mono_metadata_packing_from_typedef (klass->image, klass->type_token, NULL, &native_size);
7868 if (klass->parent) {
7869 int parent_size = mono_class_native_size (klass->parent, NULL);
7871 /* Add parent size to real size */
7872 native_size += parent_size;
7873 info->native_size = parent_size;
7878 while ((field = mono_class_get_fields (klass, &iter))) {
7882 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
7885 if (mono_field_is_deleted (field))
7887 if (field->type->attrs & FIELD_ATTRIBUTE_HAS_FIELD_MARSHAL)
7888 mono_metadata_field_info (klass->image, mono_metadata_token_index (mono_class_get_field_token (field)) - 1,
7889 NULL, NULL, &info->fields [j].mspec);
7891 info->fields [j].field = field;
7893 if ((mono_class_num_fields (klass) == 1) && (klass->instance_size == sizeof (MonoObject)) &&
7894 (strcmp (field->name, "$PRIVATE$") == 0)) {
7895 /* This field is a hack inserted by MCS to empty structures */
7900 case TYPE_ATTRIBUTE_AUTO_LAYOUT:
7901 case TYPE_ATTRIBUTE_SEQUENTIAL_LAYOUT:
7902 size = mono_marshal_type_size (field->type, info->fields [j].mspec,
7903 &align, TRUE, klass->unicode);
7904 align = klass->packing_size ? MIN (klass->packing_size, align): align;
7905 min_align = MAX (align, min_align);
7906 info->fields [j].offset = info->native_size;
7907 info->fields [j].offset += align - 1;
7908 info->fields [j].offset &= ~(align - 1);
7909 info->native_size = info->fields [j].offset + size;
7911 case TYPE_ATTRIBUTE_EXPLICIT_LAYOUT:
7912 size = mono_marshal_type_size (field->type, info->fields [j].mspec,
7913 &align, TRUE, klass->unicode);
7914 align = klass->packing_size ? MIN (klass->packing_size, align): align;
7915 min_align = MAX (align, min_align);
7916 info->fields [j].offset = field->offset - sizeof (MonoObject);
7917 info->native_size = MAX (info->native_size, info->fields [j].offset + size);
7923 if(layout != TYPE_ATTRIBUTE_AUTO_LAYOUT) {
7924 info->native_size = MAX (native_size, info->native_size);
7927 if (info->native_size & (min_align - 1)) {
7928 info->native_size += min_align - 1;
7929 info->native_size &= ~(min_align - 1);
7932 /* Update the class's blittable info, if the layouts don't match */
7933 if (info->native_size != mono_class_value_size (klass, NULL))
7934 klass->blittable = FALSE;
7936 /* If this is an array type, ensure that we have element info */
7937 if (klass->element_class) {
7938 mono_marshal_load_type_info (klass->element_class);
7941 return klass->marshal_info;
7945 * mono_class_native_size:
7948 * Returns: the native size of an object instance (when marshaled
7949 * to unmanaged code)
7952 mono_class_native_size (MonoClass *klass, guint32 *align)
7954 if (!klass->marshal_info)
7955 mono_marshal_load_type_info (klass);
7958 *align = klass->min_align;
7960 return klass->marshal_info->native_size;
7964 * mono_type_native_stack_size:
7965 * @t: the type to return the size it uses on the stack
7967 * Returns: the number of bytes required to hold an instance of this
7968 * type on the native stack
7971 mono_type_native_stack_size (MonoType *t, guint32 *align)
7975 g_assert (t != NULL);
7986 case MONO_TYPE_BOOLEAN:
7987 case MONO_TYPE_CHAR:
7996 case MONO_TYPE_STRING:
7997 case MONO_TYPE_OBJECT:
7998 case MONO_TYPE_CLASS:
7999 case MONO_TYPE_SZARRAY:
8001 case MONO_TYPE_FNPTR:
8002 case MONO_TYPE_ARRAY:
8003 case MONO_TYPE_TYPEDBYREF:
8014 case MONO_TYPE_VALUETYPE: {
8017 if (t->data.klass->enumtype)
8018 return mono_type_native_stack_size (t->data.klass->enum_basetype, align);
8020 size = mono_class_native_size (t->data.klass, align);
8021 *align = *align + 3;
8031 g_error ("type 0x%02x unknown", t->type);
8036 /* __alignof__ returns the preferred alignment of values not the actual alignment used by
8037 the compiler so is wrong e.g. for Linux where doubles are aligned on a 4 byte boundary
8038 but __alignof__ returns 8 - using G_STRUCT_OFFSET works better */
8039 #define ALIGNMENT(type) G_STRUCT_OFFSET(struct { char c; type x; }, x)
8042 mono_marshal_type_size (MonoType *type, MonoMarshalSpec *mspec, guint32 *align,
8043 gboolean as_field, gboolean unicode)
8045 MonoMarshalNative native_type = mono_type_to_unmanaged (type, mspec, as_field, unicode, NULL);
8048 switch (native_type) {
8049 case MONO_NATIVE_BOOLEAN:
8052 case MONO_NATIVE_I1:
8053 case MONO_NATIVE_U1:
8056 case MONO_NATIVE_I2:
8057 case MONO_NATIVE_U2:
8058 case MONO_NATIVE_VARIANTBOOL:
8061 case MONO_NATIVE_I4:
8062 case MONO_NATIVE_U4:
8063 case MONO_NATIVE_ERROR:
8066 case MONO_NATIVE_I8:
8067 case MONO_NATIVE_U8:
8068 *align = ALIGNMENT(guint64);
8070 case MONO_NATIVE_R4:
8073 case MONO_NATIVE_R8:
8074 *align = ALIGNMENT(double);
8076 case MONO_NATIVE_INT:
8077 case MONO_NATIVE_UINT:
8078 case MONO_NATIVE_LPSTR:
8079 case MONO_NATIVE_LPWSTR:
8080 case MONO_NATIVE_LPTSTR:
8081 case MONO_NATIVE_BSTR:
8082 case MONO_NATIVE_ANSIBSTR:
8083 case MONO_NATIVE_TBSTR:
8084 case MONO_NATIVE_LPARRAY:
8085 case MONO_NATIVE_SAFEARRAY:
8086 case MONO_NATIVE_IUNKNOWN:
8087 case MONO_NATIVE_IDISPATCH:
8088 case MONO_NATIVE_INTERFACE:
8089 case MONO_NATIVE_ASANY:
8090 case MONO_NATIVE_FUNC:
8091 case MONO_NATIVE_LPSTRUCT:
8092 *align = ALIGNMENT(gpointer);
8093 return sizeof (gpointer);
8094 case MONO_NATIVE_STRUCT:
8095 klass = mono_class_from_mono_type (type);
8096 return mono_class_native_size (klass, align);
8097 case MONO_NATIVE_BYVALTSTR: {
8098 int esize = unicode ? 2: 1;
8101 return mspec->data.array_data.num_elem * esize;
8103 case MONO_NATIVE_BYVALARRAY: {
8105 klass = mono_class_from_mono_type (type);
8106 esize = mono_class_native_size (klass->element_class, align);
8108 return mspec->data.array_data.num_elem * esize;
8110 case MONO_NATIVE_CUSTOM:
8111 g_assert_not_reached ();
8113 case MONO_NATIVE_CURRENCY:
8114 case MONO_NATIVE_VBBYREFSTR:
8116 g_error ("native type %02x not implemented", native_type);
8119 g_assert_not_reached ();
8124 mono_marshal_asany (MonoObject *o, MonoMarshalNative string_encoding)
8132 t = &o->vtable->klass->byval_arg;
8139 case MONO_TYPE_BOOLEAN:
8142 case MONO_TYPE_CHAR:
8147 return mono_object_unbox (o);
8149 case MONO_TYPE_STRING:
8150 switch (string_encoding) {
8151 case MONO_NATIVE_LPWSTR:
8152 return mono_string_to_utf16 ((MonoString*)o);
8154 case MONO_NATIVE_LPSTR:
8155 return mono_string_to_lpstr ((MonoString*)o);
8158 g_warning ("marshaling conversion %d not implemented", string_encoding);
8159 g_assert_not_reached ();
8162 case MONO_TYPE_CLASS:
8163 case MONO_TYPE_VALUETYPE: {
8167 MonoBoolean delete_old = FALSE;
8169 klass = t->data.klass;
8171 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT)
8174 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
8175 klass->blittable || klass->enumtype)
8176 return mono_object_unbox (o);
8178 res = mono_marshal_alloc (mono_class_native_size (klass, NULL));
8180 method = mono_marshal_get_struct_to_ptr (o->vtable->klass);
8184 pa [2] = &delete_old;
8186 mono_runtime_invoke (method, NULL, pa, NULL);
8192 mono_raise_exception (mono_get_exception_argument ("", "No PInvoke conversion exists for value passed to Object-typed parameter."));
8198 mono_marshal_free_asany (MonoObject *o, gpointer ptr, MonoMarshalNative string_encoding)
8206 t = &o->vtable->klass->byval_arg;
8208 case MONO_TYPE_STRING:
8209 switch (string_encoding) {
8210 case MONO_NATIVE_LPWSTR:
8211 case MONO_NATIVE_LPSTR:
8212 mono_marshal_free (ptr);
8215 g_warning ("marshaling conversion %d not implemented", string_encoding);
8216 g_assert_not_reached ();
8219 case MONO_TYPE_CLASS:
8220 case MONO_TYPE_VALUETYPE: {
8221 klass = t->data.klass;
8223 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
8224 klass->blittable || klass->enumtype)
8227 mono_struct_delete_old (klass, ptr);
8229 mono_marshal_free (ptr);