2 * marshal.c: Routines for marshaling complex types in P/Invoke methods.
5 * Paolo Molaro (lupus@ximian.com)
7 * Copyright 2002-2003 Ximian, Inc (http://www.ximian.com)
8 * Copyright 2004-2009 Novell, Inc (http://www.novell.com)
20 #include "metadata/marshal.h"
21 #include "metadata/method-builder.h"
22 #include "metadata/tabledefs.h"
23 #include "metadata/exception.h"
24 #include "metadata/appdomain.h"
25 #include "mono/metadata/debug-helpers.h"
26 #include "mono/metadata/threadpool.h"
27 #include "mono/metadata/threads.h"
28 #include "mono/metadata/monitor.h"
29 #include "mono/metadata/metadata-internals.h"
30 #include "mono/metadata/domain-internals.h"
31 #include "mono/metadata/gc-internal.h"
32 #include "mono/metadata/threads-types.h"
33 #include "mono/metadata/string-icalls.h"
34 #include "mono/metadata/attrdefs.h"
35 #include "mono/metadata/gc-internal.h"
36 #include "mono/metadata/cominterop.h"
37 #include "mono/utils/mono-counters.h"
41 /* #define DEBUG_RUNTIME_CODE */
43 #define OPDEF(a,b,c,d,e,f,g,h,i,j) \
47 MONO_MARSHAL_NONE, /* No marshalling needed */
48 MONO_MARSHAL_COPY, /* Can be copied by value to the new domain */
49 MONO_MARSHAL_COPY_OUT, /* out parameter that needs to be copied back to the original instance */
50 MONO_MARSHAL_SERIALIZE /* Value needs to be serialized into the new domain */
51 } MonoXDomainMarshalType;
54 #include "mono/cil/opcode.def"
59 struct _MonoRemotingMethods {
61 MonoMethod *invoke_with_check;
62 MonoMethod *xdomain_invoke;
63 MonoMethod *xdomain_dispatch;
66 typedef struct _MonoRemotingMethods MonoRemotingMethods;
69 * This mutex protects the various marshalling related caches in MonoImage
70 * and a few other data structures static to this file.
71 * Note that when this lock is held it is not possible to take other runtime
72 * locks like the loader lock.
74 #define mono_marshal_lock() EnterCriticalSection (&marshal_mutex)
75 #define mono_marshal_unlock() LeaveCriticalSection (&marshal_mutex)
76 static CRITICAL_SECTION marshal_mutex;
77 static gboolean marshal_mutex_initialized;
79 static guint32 last_error_tls_id;
81 static guint32 load_type_info_tls_id;
84 delegate_hash_table_add (MonoDelegate *d);
87 emit_struct_conv (MonoMethodBuilder *mb, MonoClass *klass, gboolean to_object);
90 mono_struct_delete_old (MonoClass *klass, char *ptr);
93 mono_marshal_string_to_utf16 (MonoString *s);
96 mono_marshal_string_to_utf16_copy (MonoString *s);
99 mono_string_to_lpstr (MonoString *string_obj);
101 static MonoStringBuilder *
102 mono_string_utf8_to_builder2 (char *text);
104 static MonoStringBuilder *
105 mono_string_utf16_to_builder2 (gunichar2 *text);
108 mono_string_new_len_wrapper (const char *text, guint length);
111 mono_byvalarray_to_array (MonoArray *arr, gpointer native_arr, MonoClass *eltype, guint32 elnum);
114 mono_array_to_byvalarray (gpointer native_arr, MonoArray *arr, MonoClass *eltype, guint32 elnum);
117 mono_remoting_wrapper (MonoMethod *method, gpointer *params);
119 static MonoAsyncResult *
120 mono_delegate_begin_invoke (MonoDelegate *delegate, gpointer *params);
123 mono_delegate_end_invoke (MonoDelegate *delegate, gpointer *params);
126 mono_marshal_xdomain_copy_out_value (MonoObject *src, MonoObject *dst);
129 mono_marshal_set_domain_by_id (gint32 id, MonoBoolean push);
132 mono_marshal_check_domain_image (gint32 domain_id, MonoImage *image);
135 mono_upgrade_remote_class_wrapper (MonoReflectionType *rtype, MonoTransparentProxy *tproxy);
137 static MonoReflectionType *
138 type_from_handle (MonoType *handle);
141 mono_marshal_set_last_error_windows (int error);
143 static void init_safe_handle (void);
145 /* MonoMethod pointers to SafeHandle::DangerousAddRef and ::DangerousRelease */
146 static MonoMethod *sh_dangerous_add_ref;
147 static MonoMethod *sh_dangerous_release;
153 sh_dangerous_add_ref = mono_class_get_method_from_name (
154 mono_defaults.safehandle_class, "DangerousAddRef", 1);
155 sh_dangerous_release = mono_class_get_method_from_name (
156 mono_defaults.safehandle_class, "DangerousRelease", 0);
160 register_icall (gpointer func, const char *name, const char *sigstr, gboolean save)
162 MonoMethodSignature *sig = mono_create_icall_signature (sigstr);
164 mono_register_jit_icall (func, name, sig, save);
167 static MonoMethodSignature*
168 signature_dup (MonoImage *image, MonoMethodSignature *sig)
170 MonoMethodSignature *res;
173 res = mono_metadata_signature_alloc (image, sig->param_count);
174 sigsize = MONO_SIZEOF_METHOD_SIGNATURE + sig->param_count * sizeof (MonoType *);
175 memcpy (res, sig, sigsize);
181 mono_signature_no_pinvoke (MonoMethod *method)
183 MonoMethodSignature *sig = mono_method_signature (method);
185 sig = signature_dup (method->klass->image, sig);
186 sig->pinvoke = FALSE;
193 mono_marshal_init (void)
195 static gboolean module_initialized = FALSE;
197 if (!module_initialized) {
198 module_initialized = TRUE;
199 InitializeCriticalSection (&marshal_mutex);
200 marshal_mutex_initialized = TRUE;
201 last_error_tls_id = TlsAlloc ();
202 load_type_info_tls_id = TlsAlloc ();
204 register_icall (ves_icall_System_Threading_Thread_ResetAbort, "ves_icall_System_Threading_Thread_ResetAbort", "void", TRUE);
205 register_icall (mono_marshal_string_to_utf16, "mono_marshal_string_to_utf16", "ptr obj", FALSE);
206 register_icall (mono_marshal_string_to_utf16_copy, "mono_marshal_string_to_utf16_copy", "ptr obj", FALSE);
207 register_icall (mono_string_to_utf16, "mono_string_to_utf16", "ptr obj", FALSE);
208 register_icall (mono_string_from_utf16, "mono_string_from_utf16", "obj ptr", FALSE);
209 register_icall (mono_string_new_wrapper, "mono_string_new_wrapper", "obj ptr", FALSE);
210 register_icall (mono_string_new_len_wrapper, "mono_string_new_len_wrapper", "obj ptr int", FALSE);
211 register_icall (mono_string_to_utf8, "mono_string_to_utf8", "ptr obj", FALSE);
212 register_icall (mono_string_to_lpstr, "mono_string_to_lpstr", "ptr obj", FALSE);
213 register_icall (mono_string_to_ansibstr, "mono_string_to_ansibstr", "ptr object", FALSE);
214 register_icall (mono_string_builder_to_utf8, "mono_string_builder_to_utf8", "ptr object", FALSE);
215 register_icall (mono_string_builder_to_utf16, "mono_string_builder_to_utf16", "ptr object", FALSE);
216 register_icall (mono_array_to_savearray, "mono_array_to_savearray", "ptr object", FALSE);
217 register_icall (mono_array_to_lparray, "mono_array_to_lparray", "ptr object", FALSE);
218 register_icall (mono_free_lparray, "mono_free_lparray", "void object ptr", FALSE);
219 register_icall (mono_byvalarray_to_array, "mono_byvalarray_to_array", "void object ptr ptr int32", FALSE);
220 register_icall (mono_array_to_byvalarray, "mono_array_to_byvalarray", "void ptr object ptr int32", FALSE);
221 register_icall (mono_delegate_to_ftnptr, "mono_delegate_to_ftnptr", "ptr object", FALSE);
222 register_icall (mono_ftnptr_to_delegate, "mono_ftnptr_to_delegate", "object ptr ptr", FALSE);
223 register_icall (mono_marshal_asany, "mono_marshal_asany", "ptr object int32 int32", FALSE);
224 register_icall (mono_marshal_free_asany, "mono_marshal_free_asany", "void object ptr int32 int32", FALSE);
225 register_icall (mono_marshal_alloc, "mono_marshal_alloc", "ptr int32", FALSE);
226 register_icall (mono_marshal_free, "mono_marshal_free", "void ptr", FALSE);
227 register_icall (mono_marshal_set_last_error, "mono_marshal_set_last_error", "void", FALSE);
228 register_icall (mono_marshal_set_last_error_windows, "mono_marshal_set_last_error_windows", "void int32", FALSE);
229 register_icall (mono_string_utf8_to_builder, "mono_string_utf8_to_builder", "void ptr ptr", FALSE);
230 register_icall (mono_string_utf8_to_builder2, "mono_string_utf8_to_builder2", "object ptr", FALSE);
231 register_icall (mono_string_utf16_to_builder, "mono_string_utf16_to_builder", "void ptr ptr", FALSE);
232 register_icall (mono_string_utf16_to_builder2, "mono_string_utf16_to_builder2", "object ptr", FALSE);
233 register_icall (mono_marshal_free_array, "mono_marshal_free_array", "void ptr int32", FALSE);
234 register_icall (mono_string_to_byvalstr, "mono_string_to_byvalstr", "void ptr ptr int32", FALSE);
235 register_icall (mono_string_to_byvalwstr, "mono_string_to_byvalwstr", "void ptr ptr int32", FALSE);
236 register_icall (g_free, "g_free", "void ptr", FALSE);
237 register_icall (mono_object_isinst, "mono_object_isinst", "object object ptr", FALSE);
238 register_icall (mono_struct_delete_old, "mono_struct_delete_old", "void ptr ptr", FALSE);
239 register_icall (mono_remoting_wrapper, "mono_remoting_wrapper", "object ptr ptr", FALSE);
240 register_icall (mono_delegate_begin_invoke, "mono_delegate_begin_invoke", "object object ptr", FALSE);
241 register_icall (mono_delegate_end_invoke, "mono_delegate_end_invoke", "object object ptr", FALSE);
242 register_icall (mono_marshal_xdomain_copy_value, "mono_marshal_xdomain_copy_value", "object object", FALSE);
243 register_icall (mono_marshal_xdomain_copy_out_value, "mono_marshal_xdomain_copy_out_value", "void object object", FALSE);
244 register_icall (mono_marshal_set_domain_by_id, "mono_marshal_set_domain_by_id", "int32 int32 int32", FALSE);
245 register_icall (mono_marshal_check_domain_image, "mono_marshal_check_domain_image", "int32 int32 ptr", FALSE);
246 register_icall (mono_compile_method, "mono_compile_method", "ptr ptr", FALSE);
247 register_icall (mono_context_get, "mono_context_get", "object", FALSE);
248 register_icall (mono_context_set, "mono_context_set", "void object", FALSE);
249 register_icall (mono_upgrade_remote_class_wrapper, "mono_upgrade_remote_class_wrapper", "void object object", FALSE);
250 register_icall (type_from_handle, "type_from_handle", "object ptr", FALSE);
251 register_icall (mono_gc_wbarrier_generic_nostore, "wb_generic", "void ptr", FALSE);
252 register_icall (mono_gchandle_get_target, "mono_gchandle_get_target", "object int32", TRUE);
254 mono_cominterop_init ();
259 mono_marshal_cleanup (void)
261 mono_cominterop_cleanup ();
263 TlsFree (load_type_info_tls_id);
264 TlsFree (last_error_tls_id);
265 DeleteCriticalSection (&marshal_mutex);
266 marshal_mutex_initialized = FALSE;
269 MonoClass *byte_array_class;
270 static MonoMethod *method_rs_serialize, *method_rs_deserialize, *method_exc_fixexc, *method_rs_appdomain_target;
271 static MonoMethod *method_set_context, *method_get_context;
272 static MonoMethod *method_set_call_context, *method_needs_context_sink, *method_rs_serialize_exc;
275 mono_remoting_marshal_init (void)
279 static gboolean module_initialized = FALSE;
281 if (!module_initialized) {
282 klass = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting", "RemotingServices");
283 method_rs_serialize = mono_class_get_method_from_name (klass, "SerializeCallData", -1);
284 method_rs_deserialize = mono_class_get_method_from_name (klass, "DeserializeCallData", -1);
285 method_rs_serialize_exc = mono_class_get_method_from_name (klass, "SerializeExceptionData", -1);
287 klass = mono_defaults.real_proxy_class;
288 method_rs_appdomain_target = mono_class_get_method_from_name (klass, "GetAppDomainTarget", -1);
290 klass = mono_defaults.exception_class;
291 method_exc_fixexc = mono_class_get_method_from_name (klass, "FixRemotingException", -1);
293 klass = mono_defaults.thread_class;
294 method_get_context = mono_class_get_method_from_name (klass, "get_CurrentContext", -1);
296 klass = mono_defaults.appdomain_class;
297 method_set_context = mono_class_get_method_from_name (klass, "InternalSetContext", -1);
298 byte_array_class = mono_array_class_get (mono_defaults.byte_class, 1);
300 klass = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting.Messaging", "CallContext");
301 method_set_call_context = mono_class_get_method_from_name (klass, "SetCurrentCallContext", -1);
303 klass = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting.Contexts", "Context");
304 method_needs_context_sink = mono_class_get_method_from_name (klass, "get_NeedsContextSink", -1);
306 module_initialized = TRUE;
311 mono_delegate_to_ftnptr (MonoDelegate *delegate)
313 MonoMethod *method, *wrapper;
315 uint32_t target_handle = 0;
320 if (delegate->delegate_trampoline)
321 return delegate->delegate_trampoline;
323 klass = ((MonoObject *)delegate)->vtable->klass;
324 g_assert (klass->delegate);
326 method = delegate->method;
328 if (mono_method_signature (method)->pinvoke) {
329 const char *exc_class, *exc_arg;
332 ftnptr = mono_lookup_pinvoke_call (method, &exc_class, &exc_arg);
334 g_assert (exc_class);
335 mono_raise_exception (mono_exception_from_name_msg (mono_defaults.corlib, "System", exc_class, exc_arg));
340 if (delegate->target) {
341 /* Produce a location which can be embedded in JITted code */
342 target_handle = mono_gchandle_new_weakref (delegate->target, FALSE);
345 wrapper = mono_marshal_get_managed_wrapper (method, klass, target_handle);
347 delegate->delegate_trampoline = mono_compile_method (wrapper);
349 // Add the delegate to the delegate hash table
350 delegate_hash_table_add (delegate);
352 /* when the object is collected, collect the dynamic method, too */
353 mono_object_register_finalizer ((MonoObject*)delegate);
355 return delegate->delegate_trampoline;
359 * this hash table maps from a delegate trampoline object to a weak reference
360 * of the delegate. As an optimizations with a non-moving GC we store the
361 * object pointer itself, otherwise we use a GC handle.
363 static GHashTable *delegate_hash_table;
366 delegate_hash_table_new (void) {
367 return g_hash_table_new (NULL, NULL);
371 delegate_hash_table_remove (MonoDelegate *d)
373 #ifdef HAVE_MOVING_COLLECTOR
376 mono_marshal_lock ();
377 if (delegate_hash_table == NULL)
378 delegate_hash_table = delegate_hash_table_new ();
379 #ifdef HAVE_MOVING_COLLECTOR
380 gchandle = GPOINTER_TO_UINT (g_hash_table_lookup (delegate_hash_table, d->delegate_trampoline));
382 g_hash_table_remove (delegate_hash_table, d->delegate_trampoline);
383 mono_marshal_unlock ();
384 #ifdef HAVE_MOVING_COLLECTOR
385 mono_gchandle_free (gchandle);
390 delegate_hash_table_add (MonoDelegate *d)
392 #ifdef HAVE_MOVING_COLLECTOR
393 guint32 gchandle = mono_gchandle_new_weakref ((MonoObject*)d, FALSE);
394 guint32 old_gchandle;
396 mono_marshal_lock ();
397 if (delegate_hash_table == NULL)
398 delegate_hash_table = delegate_hash_table_new ();
399 #ifdef HAVE_MOVING_COLLECTOR
400 old_gchandle = GPOINTER_TO_UINT (g_hash_table_lookup (delegate_hash_table, d->delegate_trampoline));
401 g_hash_table_insert (delegate_hash_table, d->delegate_trampoline, GUINT_TO_POINTER (gchandle));
403 mono_gchandle_free (old_gchandle);
405 g_hash_table_insert (delegate_hash_table, d->delegate_trampoline, d);
407 mono_marshal_unlock ();
411 mono_ftnptr_to_delegate (MonoClass *klass, gpointer ftn)
413 #ifdef HAVE_MOVING_COLLECTOR
421 mono_marshal_lock ();
422 if (delegate_hash_table == NULL)
423 delegate_hash_table = delegate_hash_table_new ();
425 #ifdef HAVE_MOVING_COLLECTOR
426 gchandle = GPOINTER_TO_UINT (g_hash_table_lookup (delegate_hash_table, ftn));
427 mono_marshal_unlock ();
429 d = (MonoDelegate*)mono_gchandle_get_target (gchandle);
433 d = g_hash_table_lookup (delegate_hash_table, ftn);
434 mono_marshal_unlock ();
437 /* This is a native function, so construct a delegate for it */
438 static MonoClass *UnmanagedFunctionPointerAttribute;
439 MonoMethodSignature *sig;
441 MonoMarshalSpec **mspecs;
442 MonoCustomAttrInfo *cinfo;
443 MonoReflectionUnmanagedFunctionPointerAttribute *attr;
444 MonoMethod *invoke = mono_get_delegate_invoke (klass);
445 MonoMethodPInvoke piinfo;
448 memset (&piinfo, 0, sizeof (piinfo));
449 if (!UnmanagedFunctionPointerAttribute)
450 UnmanagedFunctionPointerAttribute = mono_class_from_name (mono_defaults.corlib, "System.Runtime.InteropServices", "UnmanagedFunctionPointerAttribute");
452 /* The attribute is only available in Net 2.0 */
453 if (UnmanagedFunctionPointerAttribute) {
455 * The pinvoke attributes are stored in a real custom attribute so we have to
458 cinfo = mono_custom_attrs_from_class (klass);
460 attr = (MonoReflectionUnmanagedFunctionPointerAttribute*)mono_custom_attrs_get_attr (cinfo, UnmanagedFunctionPointerAttribute);
462 piinfo.piflags = (attr->call_conv << 8) | (attr->charset ? (attr->charset - 1) * 2 : 1) | attr->set_last_error;
465 mono_custom_attrs_free (cinfo);
469 mspecs = g_new0 (MonoMarshalSpec*, mono_method_signature (invoke)->param_count + 1);
470 mono_method_get_marshal_info (invoke, mspecs);
471 /* Freed below so don't alloc from mempool */
472 sig = mono_metadata_signature_dup (mono_method_signature (invoke));
475 wrapper = mono_marshal_get_native_func_wrapper (klass->image, sig, &piinfo, mspecs, ftn);
477 for (i = mono_method_signature (invoke)->param_count; i >= 0; i--)
479 mono_metadata_free_marshal_spec (mspecs [i]);
483 d = (MonoDelegate*)mono_object_new (mono_domain_get (), klass);
484 mono_delegate_ctor_with_method ((MonoObject*)d, NULL, mono_compile_method (wrapper), wrapper);
487 if (d->object.vtable->domain != mono_domain_get ())
488 mono_raise_exception (mono_get_exception_not_supported ("Delegates cannot be marshalled from native code into a domain other than their home domain"));
494 mono_delegate_free_ftnptr (MonoDelegate *delegate)
499 delegate_hash_table_remove (delegate);
501 ptr = (gpointer)InterlockedExchangePointer (&delegate->delegate_trampoline, NULL);
503 if (!delegate->target) {
504 /* The wrapper method is shared between delegates -> no need to free it */
511 ji = mono_jit_info_table_find (mono_domain_get (), mono_get_addr_from_ftnptr (ptr));
514 method_data = ((MonoMethodWrapper*)ji->method)->method_data;
516 /*the target gchandle is the first entry after size and the wrapper itself.*/
517 gchandle = GPOINTER_TO_UINT (method_data [2]);
520 mono_gchandle_free (gchandle);
522 mono_runtime_free_method (mono_object_domain (delegate), ji->method);
527 mono_array_to_savearray (MonoArray *array)
532 g_assert_not_reached ();
537 mono_array_to_lparray (MonoArray *array)
539 gpointer *nativeArray = NULL;
540 int nativeArraySize = 0;
549 klass = array->obj.vtable->klass;
551 switch (klass->element_class->byval_arg.type) {
553 g_assert_not_reached ();
556 case MONO_TYPE_CLASS:
557 nativeArraySize = array->max_length;
558 nativeArray = malloc(sizeof(gpointer) * nativeArraySize);
559 for(i = 0; i < nativeArraySize; ++i)
560 nativeArray[i] = ves_icall_System_Runtime_InteropServices_Marshal_GetIUnknownForObjectInternal(((gpointer*)array->vector)[i]);
564 case MONO_TYPE_BOOLEAN:
577 case MONO_TYPE_VALUETYPE:
581 case MONO_TYPE_GENERICINST:
582 case MONO_TYPE_OBJECT:
583 case MONO_TYPE_ARRAY:
584 case MONO_TYPE_SZARRAY:
585 case MONO_TYPE_STRING:
587 g_warning ("type 0x%x not handled", klass->element_class->byval_arg.type);
588 g_assert_not_reached ();
591 return array->vector;
595 mono_free_lparray (MonoArray *array, gpointer* nativeArray)
606 klass = array->obj.vtable->klass;
608 switch (klass->element_class->byval_arg.type) {
609 case MONO_TYPE_CLASS:
610 for(i = 0; i < array->max_length; ++i)
611 mono_marshal_free_ccw(nativeArray[i]);
619 mono_byvalarray_to_array (MonoArray *arr, gpointer native_arr, MonoClass *elclass, guint32 elnum)
621 g_assert (arr->obj.vtable->klass->element_class == mono_defaults.char_class);
623 if (elclass == mono_defaults.byte_class) {
624 GError *error = NULL;
628 ut = g_utf8_to_utf16 (native_arr, elnum, NULL, &items_written, &error);
631 memcpy (mono_array_addr (arr, guint16, 0), ut, items_written * sizeof (guint16));
635 g_error_free (error);
638 g_assert_not_reached ();
642 mono_array_to_byvalarray (gpointer native_arr, MonoArray *arr, MonoClass *elclass, guint32 elnum)
644 g_assert (arr->obj.vtable->klass->element_class == mono_defaults.char_class);
646 if (elclass == mono_defaults.byte_class) {
648 GError *error = NULL;
650 as = g_utf16_to_utf8 (mono_array_addr (arr, gunichar2, 0), mono_array_length (arr), NULL, NULL, &error);
652 MonoException *exc = mono_get_exception_argument ("string", error->message);
653 g_error_free (error);
654 mono_raise_exception (exc);
657 memcpy (native_arr, as, MIN (strlen (as), elnum));
660 g_assert_not_reached ();
665 mono_string_utf8_to_builder (MonoStringBuilder *sb, char *text)
667 GError *error = NULL;
677 ut = g_utf8_to_utf16 (text, l, NULL, &items_written, &error);
679 if (items_written > mono_stringbuilder_capacity (sb))
680 items_written = mono_stringbuilder_capacity (sb);
683 if (! sb->str || sb->str == sb->cached_str) {
684 MONO_OBJECT_SETREF (sb, str, mono_string_new_size (mono_domain_get (), items_written));
685 sb->cached_str = NULL;
688 memcpy (mono_string_chars (sb->str), ut, items_written * 2);
689 sb->length = items_written;
691 g_error_free (error);
697 mono_string_utf8_to_builder2 (char *text)
700 MonoStringBuilder *sb;
701 static MonoClass *string_builder_class;
702 static MonoMethod *sb_ctor;
709 if (!string_builder_class) {
710 MonoMethodDesc *desc;
712 string_builder_class = mono_class_from_name (mono_defaults.corlib, "System.Text", "StringBuilder");
713 g_assert (string_builder_class);
714 desc = mono_method_desc_new (":.ctor(int)", FALSE);
715 sb_ctor = mono_method_desc_search_in_class (desc, string_builder_class);
717 mono_method_desc_free (desc);
722 sb = (MonoStringBuilder*)mono_object_new (mono_domain_get (), string_builder_class);
725 mono_runtime_invoke (sb_ctor, sb, args, &exc);
728 mono_string_utf8_to_builder (sb, text);
734 * FIXME: This routine does not seem to do what it seems to do
735 * the @text is never copied into the string builder
738 mono_string_utf16_to_builder (MonoStringBuilder *sb, gunichar2 *text)
745 g_assert (mono_string_chars (sb->str) == text);
747 for (len = 0; text [len] != 0; ++len)
754 mono_string_utf16_to_builder2 (gunichar2 *text)
757 MonoStringBuilder *sb;
758 static MonoClass *string_builder_class;
759 static MonoMethod *sb_ctor;
766 if (!string_builder_class) {
767 MonoMethodDesc *desc;
769 string_builder_class = mono_class_from_name (mono_defaults.corlib, "System.Text", "StringBuilder");
770 g_assert (string_builder_class);
771 desc = mono_method_desc_new (":.ctor(int)", FALSE);
772 sb_ctor = mono_method_desc_search_in_class (desc, string_builder_class);
774 mono_method_desc_free (desc);
777 for (len = 0; text [len] != 0; ++len)
780 sb = (MonoStringBuilder*)mono_object_new (mono_domain_get (), string_builder_class);
783 mono_runtime_invoke (sb_ctor, sb, args, &exc);
787 memcpy (mono_string_chars (sb->str), text, len * 2);
793 * mono_string_builder_to_utf8:
794 * @sb: the string builder
796 * Converts to utf8 the contents of the MonoStringBuilder.
798 * Returns: a utf8 string with the contents of the StringBuilder.
800 * The return value must be released with g_free.
803 mono_string_builder_to_utf8 (MonoStringBuilder *sb)
805 GError *error = NULL;
806 gchar *tmp, *res = NULL;
811 if ((sb->str == sb->cached_str) && (sb->str->length == 0)) {
813 * The sb could have been allocated with the default capacity and be empty.
814 * we need to alloc a buffer of the default capacity in this case.
816 MONO_OBJECT_SETREF (sb, str, mono_string_new_size (mono_domain_get (), 16));
817 sb->cached_str = NULL;
820 tmp = g_utf16_to_utf8 (mono_string_chars (sb->str), sb->length, NULL, NULL, &error);
822 g_error_free (error);
823 mono_raise_exception (mono_get_exception_execution_engine ("Failed to convert StringBuilder from utf16 to utf8"));
825 res = mono_marshal_alloc (mono_stringbuilder_capacity (sb) + 1);
826 memcpy (res, tmp, sb->length + 1);
834 * mono_string_builder_to_utf16:
835 * @sb: the string builder
837 * Converts to utf16 the contents of the MonoStringBuilder.
839 * Returns: a utf16 string with the contents of the StringBuilder.
841 * The return value must not be freed.
844 mono_string_builder_to_utf16 (MonoStringBuilder *sb)
852 * The stringbuilder might not have ownership of this string. If this is
853 * the case, we must duplicate the string, so that we don't munge immutable
856 if (sb->str == sb->cached_str) {
858 * The sb could have been allocated with the default capacity and be empty.
859 * we need to alloc a buffer of the default capacity in this case.
861 if (sb->str->length == 0)
862 MONO_OBJECT_SETREF (sb, str, mono_string_new_size (mono_domain_get (), 16));
864 MONO_OBJECT_SETREF (sb, str, mono_string_new_utf16 (mono_domain_get (), mono_string_chars (sb->str), mono_stringbuilder_capacity (sb)));
865 sb->cached_str = NULL;
869 *(mono_string_chars (sb->str)) = '\0';
871 return mono_string_chars (sb->str);
875 mono_string_to_lpstr (MonoString *s)
880 GError *error = NULL;
886 as = CoTaskMemAlloc (1);
891 tmp = g_utf16_to_utf8 (mono_string_chars (s), s->length, NULL, &len, &error);
893 MonoException *exc = mono_get_exception_argument ("string", error->message);
894 g_error_free (error);
895 mono_raise_exception(exc);
898 as = CoTaskMemAlloc (len + 1);
899 memcpy (as, tmp, len + 1);
904 return mono_string_to_utf8 (s);
909 mono_string_to_ansibstr (MonoString *string_obj)
911 g_error ("UnmanagedMarshal.BStr is not implemented.");
916 * mono_string_to_byvalstr:
917 * @dst: Where to store the null-terminated utf8 decoded string.
918 * @src: the MonoString to copy.
919 * @size: the maximum number of bytes to copy.
921 * Copies the MonoString pointed to by @src as a utf8 string
922 * into @dst, it copies at most @size bytes into the destination.
925 mono_string_to_byvalstr (gpointer dst, MonoString *src, int size)
930 g_assert (dst != NULL);
933 memset (dst, 0, size);
937 s = mono_string_to_utf8 (src);
938 len = MIN (size, strlen (s));
941 memcpy (dst, s, len);
946 * mono_string_to_byvalwstr:
947 * @dst: Where to store the null-terminated utf16 decoded string.
948 * @src: the MonoString to copy.
949 * @size: the maximum number of bytes to copy.
951 * Copies the MonoString pointed to by @src as a utf16 string into
952 * @dst, it copies at most @size bytes into the destination (including
953 * a terminating 16-bit zero terminator).
956 mono_string_to_byvalwstr (gpointer dst, MonoString *src, int size)
960 g_assert (dst != NULL);
964 memset (dst, 0, size * 2);
968 len = MIN (size, (mono_string_length (src)));
969 memcpy (dst, mono_string_chars (src), size * 2);
970 if (size <= mono_string_length (src))
972 *((gunichar2 *) dst + len) = 0;
976 mono_string_new_len_wrapper (const char *text, guint length)
978 return mono_string_new_len (mono_domain_get (), text, length);
982 mono_mb_emit_proxy_check (MonoMethodBuilder *mb, int branch_code)
985 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
986 mono_mb_emit_byte (mb, CEE_LDIND_I);
987 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoVTable, klass));
988 mono_mb_emit_byte (mb, CEE_ADD);
989 mono_mb_emit_byte (mb, CEE_LDIND_I);
990 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
991 mono_mb_emit_byte (mb, CEE_MONO_CLASSCONST);
992 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_defaults.transparent_proxy_class));
993 pos = mono_mb_emit_branch (mb, branch_code);
998 mono_mb_emit_xdomain_check (MonoMethodBuilder *mb, int branch_code)
1001 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
1002 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1003 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoRealProxy, target_domain_id));
1004 mono_mb_emit_byte (mb, CEE_LDIND_I4);
1005 mono_mb_emit_icon (mb, -1);
1006 pos = mono_mb_emit_branch (mb, branch_code);
1011 mono_mb_emit_contextbound_check (MonoMethodBuilder *mb, int branch_code)
1013 static int offset = -1;
1017 mono_marshal_find_bitfield_offset (MonoClass, contextbound, &offset, &mask);
1019 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, remote_class));
1020 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1021 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoRemoteClass, proxy_class));
1022 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1023 mono_mb_emit_ldflda (mb, offset);
1024 mono_mb_emit_byte (mb, CEE_LDIND_U1);
1025 mono_mb_emit_icon (mb, mask);
1026 mono_mb_emit_byte (mb, CEE_AND);
1027 mono_mb_emit_icon (mb, 0);
1028 return mono_mb_emit_branch (mb, branch_code);
1032 * mono_mb_emit_exception_marshal_directive:
1034 * This function assumes ownership of MSG, which should be malloc-ed.
1037 mono_mb_emit_exception_marshal_directive (MonoMethodBuilder *mb, char *msg)
1042 s = mono_image_strdup (mb->method->klass->image, msg);
1047 mono_mb_emit_exception_full (mb, "System.Runtime.InteropServices", "MarshalDirectiveException", s);
1051 mono_type_to_ldind (MonoType *type)
1057 switch (type->type) {
1059 return CEE_LDIND_I1;
1061 case MONO_TYPE_BOOLEAN:
1062 return CEE_LDIND_U1;
1064 return CEE_LDIND_I2;
1066 case MONO_TYPE_CHAR:
1067 return CEE_LDIND_U2;
1069 return CEE_LDIND_I4;
1071 return CEE_LDIND_U4;
1075 case MONO_TYPE_FNPTR:
1077 case MONO_TYPE_CLASS:
1078 case MONO_TYPE_STRING:
1079 case MONO_TYPE_OBJECT:
1080 case MONO_TYPE_SZARRAY:
1081 case MONO_TYPE_ARRAY:
1082 return CEE_LDIND_REF;
1085 return CEE_LDIND_I8;
1087 return CEE_LDIND_R4;
1089 return CEE_LDIND_R8;
1090 case MONO_TYPE_VALUETYPE:
1091 if (type->data.klass->enumtype) {
1092 type = mono_class_enum_basetype (type->data.klass);
1096 case MONO_TYPE_TYPEDBYREF:
1098 case MONO_TYPE_GENERICINST:
1099 type = &type->data.generic_class->container_class->byval_arg;
1102 g_error ("unknown type 0x%02x in type_to_ldind", type->type);
1108 mono_type_to_stind (MonoType *type)
1114 switch (type->type) {
1117 case MONO_TYPE_BOOLEAN:
1118 return CEE_STIND_I1;
1121 case MONO_TYPE_CHAR:
1122 return CEE_STIND_I2;
1125 return CEE_STIND_I4;
1129 case MONO_TYPE_FNPTR:
1131 case MONO_TYPE_CLASS:
1132 case MONO_TYPE_STRING:
1133 case MONO_TYPE_OBJECT:
1134 case MONO_TYPE_SZARRAY:
1135 case MONO_TYPE_ARRAY:
1136 return CEE_STIND_REF;
1139 return CEE_STIND_I8;
1141 return CEE_STIND_R4;
1143 return CEE_STIND_R8;
1144 case MONO_TYPE_VALUETYPE:
1145 if (type->data.klass->enumtype) {
1146 type = mono_class_enum_basetype (type->data.klass);
1150 case MONO_TYPE_TYPEDBYREF:
1152 case MONO_TYPE_GENERICINST:
1153 type = &type->data.generic_class->container_class->byval_arg;
1156 g_error ("unknown type 0x%02x in type_to_stind", type->type);
1162 emit_ptr_to_object_conv (MonoMethodBuilder *mb, MonoType *type, MonoMarshalConv conv, MonoMarshalSpec *mspec)
1165 case MONO_MARSHAL_CONV_BOOL_I4:
1166 mono_mb_emit_ldloc (mb, 1);
1167 mono_mb_emit_ldloc (mb, 0);
1168 mono_mb_emit_byte (mb, CEE_LDIND_I4);
1169 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
1170 mono_mb_emit_byte (mb, 3);
1171 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
1172 mono_mb_emit_byte (mb, CEE_BR_S);
1173 mono_mb_emit_byte (mb, 1);
1174 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
1175 mono_mb_emit_byte (mb, CEE_STIND_I1);
1177 case MONO_MARSHAL_CONV_BOOL_VARIANTBOOL:
1178 mono_mb_emit_ldloc (mb, 1);
1179 mono_mb_emit_ldloc (mb, 0);
1180 mono_mb_emit_byte (mb, CEE_LDIND_I2);
1181 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
1182 mono_mb_emit_byte (mb, 3);
1183 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
1184 mono_mb_emit_byte (mb, CEE_BR_S);
1185 mono_mb_emit_byte (mb, 1);
1186 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
1187 mono_mb_emit_byte (mb, CEE_STIND_I1);
1189 case MONO_MARSHAL_CONV_ARRAY_BYVALARRAY: {
1190 MonoClass *eklass = NULL;
1193 if (type->type == MONO_TYPE_SZARRAY) {
1194 eklass = type->data.klass;
1196 g_assert_not_reached ();
1199 esize = mono_class_native_size (eklass, NULL);
1201 /* create a new array */
1202 mono_mb_emit_ldloc (mb, 1);
1203 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1204 mono_mb_emit_op (mb, CEE_NEWARR, eklass);
1205 mono_mb_emit_byte (mb, CEE_STIND_I);
1207 if (eklass->blittable) {
1208 /* copy the elements */
1209 mono_mb_emit_ldloc (mb, 1);
1210 mono_mb_emit_byte (mb, CEE_LDIND_I);
1211 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArray, vector));
1212 mono_mb_emit_byte (mb, CEE_ADD);
1213 mono_mb_emit_ldloc (mb, 0);
1214 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem * esize);
1215 mono_mb_emit_byte (mb, CEE_PREFIX1);
1216 mono_mb_emit_byte (mb, CEE_CPBLK);
1219 int array_var, src_var, dst_var, index_var;
1220 guint32 label2, label3;
1222 array_var = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
1223 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1224 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1227 mono_mb_emit_ldloc (mb, 1);
1228 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1229 mono_mb_emit_stloc (mb, array_var);
1231 /* save the old src pointer */
1232 mono_mb_emit_ldloc (mb, 0);
1233 mono_mb_emit_stloc (mb, src_var);
1234 /* save the old dst pointer */
1235 mono_mb_emit_ldloc (mb, 1);
1236 mono_mb_emit_stloc (mb, dst_var);
1238 /* Emit marshalling loop */
1239 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1240 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
1241 mono_mb_emit_stloc (mb, index_var);
1244 label2 = mono_mb_get_label (mb);
1245 mono_mb_emit_ldloc (mb, index_var);
1246 mono_mb_emit_ldloc (mb, array_var);
1247 mono_mb_emit_byte (mb, CEE_LDLEN);
1248 label3 = mono_mb_emit_branch (mb, CEE_BGE);
1250 /* src is already set */
1253 mono_mb_emit_ldloc (mb, array_var);
1254 mono_mb_emit_ldloc (mb, index_var);
1255 mono_mb_emit_op (mb, CEE_LDELEMA, eklass);
1256 mono_mb_emit_stloc (mb, 1);
1258 /* Do the conversion */
1259 emit_struct_conv (mb, eklass, TRUE);
1262 mono_mb_emit_add_to_local (mb, index_var, 1);
1264 mono_mb_emit_branch_label (mb, CEE_BR, label2);
1266 mono_mb_patch_branch (mb, label3);
1268 /* restore the old src pointer */
1269 mono_mb_emit_ldloc (mb, src_var);
1270 mono_mb_emit_stloc (mb, 0);
1271 /* restore the old dst pointer */
1272 mono_mb_emit_ldloc (mb, dst_var);
1273 mono_mb_emit_stloc (mb, 1);
1277 case MONO_MARSHAL_CONV_ARRAY_BYVALCHARARRAY: {
1278 MonoClass *eclass = mono_defaults.char_class;
1280 /* create a new array */
1281 mono_mb_emit_ldloc (mb, 1);
1282 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1283 mono_mb_emit_op (mb, CEE_NEWARR, eclass);
1284 mono_mb_emit_byte (mb, CEE_STIND_REF);
1286 mono_mb_emit_ldloc (mb, 1);
1287 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1288 mono_mb_emit_ldloc (mb, 0);
1289 mono_mb_emit_ptr (mb, mono_defaults.byte_class);
1290 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1291 mono_mb_emit_icall (mb, mono_byvalarray_to_array);
1294 case MONO_MARSHAL_CONV_STR_BYVALSTR:
1295 mono_mb_emit_ldloc (mb, 1);
1296 mono_mb_emit_ldloc (mb, 0);
1297 mono_mb_emit_icall (mb, mono_string_new_wrapper);
1298 mono_mb_emit_byte (mb, CEE_STIND_REF);
1300 case MONO_MARSHAL_CONV_STR_BYVALWSTR:
1301 mono_mb_emit_ldloc (mb, 1);
1302 mono_mb_emit_ldloc (mb, 0);
1303 mono_mb_emit_icall (mb, mono_string_from_utf16);
1304 mono_mb_emit_byte (mb, CEE_STIND_REF);
1306 case MONO_MARSHAL_CONV_STR_LPTSTR:
1307 mono_mb_emit_ldloc (mb, 1);
1308 mono_mb_emit_ldloc (mb, 0);
1309 mono_mb_emit_byte (mb, CEE_LDIND_I);
1311 mono_mb_emit_icall (mb, mono_string_from_utf16);
1313 mono_mb_emit_icall (mb, mono_string_new_wrapper);
1315 mono_mb_emit_byte (mb, CEE_STIND_REF);
1317 case MONO_MARSHAL_CONV_STR_LPSTR:
1318 mono_mb_emit_ldloc (mb, 1);
1319 mono_mb_emit_ldloc (mb, 0);
1320 mono_mb_emit_byte (mb, CEE_LDIND_I);
1321 mono_mb_emit_icall (mb, mono_string_new_wrapper);
1322 mono_mb_emit_byte (mb, CEE_STIND_REF);
1324 case MONO_MARSHAL_CONV_STR_LPWSTR:
1325 mono_mb_emit_ldloc (mb, 1);
1326 mono_mb_emit_ldloc (mb, 0);
1327 mono_mb_emit_byte (mb, CEE_LDIND_I);
1328 mono_mb_emit_icall (mb, mono_string_from_utf16);
1329 mono_mb_emit_byte (mb, CEE_STIND_REF);
1331 case MONO_MARSHAL_CONV_OBJECT_STRUCT: {
1332 MonoClass *klass = mono_class_from_mono_type (type);
1333 int src_var, dst_var;
1335 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1336 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1338 /* *dst = new object */
1339 mono_mb_emit_ldloc (mb, 1);
1340 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1341 mono_mb_emit_op (mb, CEE_MONO_NEWOBJ, klass);
1342 mono_mb_emit_byte (mb, CEE_STIND_REF);
1344 /* save the old src pointer */
1345 mono_mb_emit_ldloc (mb, 0);
1346 mono_mb_emit_stloc (mb, src_var);
1347 /* save the old dst pointer */
1348 mono_mb_emit_ldloc (mb, 1);
1349 mono_mb_emit_stloc (mb, dst_var);
1351 /* dst = pointer to newly created object data */
1352 mono_mb_emit_ldloc (mb, 1);
1353 mono_mb_emit_byte (mb, CEE_LDIND_I);
1354 mono_mb_emit_icon (mb, sizeof (MonoObject));
1355 mono_mb_emit_byte (mb, CEE_ADD);
1356 mono_mb_emit_stloc (mb, 1);
1358 emit_struct_conv (mb, klass, TRUE);
1360 /* restore the old src pointer */
1361 mono_mb_emit_ldloc (mb, src_var);
1362 mono_mb_emit_stloc (mb, 0);
1363 /* restore the old dst pointer */
1364 mono_mb_emit_ldloc (mb, dst_var);
1365 mono_mb_emit_stloc (mb, 1);
1368 case MONO_MARSHAL_CONV_DEL_FTN: {
1369 MonoClass *klass = mono_class_from_mono_type (type);
1371 mono_mb_emit_ldloc (mb, 1);
1372 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1373 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
1374 mono_mb_emit_ldloc (mb, 0);
1375 mono_mb_emit_byte (mb, CEE_LDIND_I);
1376 mono_mb_emit_icall (mb, mono_ftnptr_to_delegate);
1377 mono_mb_emit_byte (mb, CEE_STIND_REF);
1380 case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
1381 g_error ("Structure field of type %s can't be marshalled as LPArray", mono_class_from_mono_type (type)->name);
1385 case MONO_MARSHAL_CONV_OBJECT_INTERFACE:
1386 case MONO_MARSHAL_CONV_OBJECT_IUNKNOWN:
1387 case MONO_MARSHAL_CONV_OBJECT_IDISPATCH:
1388 mono_cominterop_emit_ptr_to_object_conv (mb, type, conv, mspec);
1390 #endif /* DISABLE_COM */
1392 case MONO_MARSHAL_CONV_SAFEHANDLE: {
1394 * Passing SafeHandles as ref does not allow the unmanaged code
1395 * to change the SafeHandle value. If the value is changed,
1396 * we should issue a diagnostic exception (NotSupportedException)
1397 * that informs the user that changes to handles in unmanaged code
1400 * Since we currently have no access to the original
1401 * SafeHandle that was used during the marshalling,
1402 * for now we just ignore this, and ignore/discard any
1403 * changes that might have happened to the handle.
1408 case MONO_MARSHAL_CONV_HANDLEREF: {
1410 * Passing HandleRefs in a struct that is ref()ed does not
1411 * copy the values back to the HandleRef
1416 case MONO_MARSHAL_CONV_STR_BSTR:
1417 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
1418 case MONO_MARSHAL_CONV_STR_TBSTR:
1419 case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
1421 char *msg = g_strdup_printf ("marshaling conversion %d not implemented", conv);
1423 mono_mb_emit_exception_marshal_directive (mb, msg);
1430 conv_to_icall (MonoMarshalConv conv)
1433 case MONO_MARSHAL_CONV_STR_LPWSTR:
1434 return mono_marshal_string_to_utf16;
1435 case MONO_MARSHAL_CONV_LPWSTR_STR:
1436 return mono_string_from_utf16;
1437 case MONO_MARSHAL_CONV_LPSTR_STR:
1439 return mono_string_from_utf16;
1441 return mono_string_new_wrapper;
1443 case MONO_MARSHAL_CONV_STR_LPTSTR:
1445 return mono_marshal_string_to_utf16;
1447 return mono_string_to_lpstr;
1449 case MONO_MARSHAL_CONV_STR_LPSTR:
1450 return mono_string_to_lpstr;
1451 case MONO_MARSHAL_CONV_STR_BSTR:
1452 return mono_string_to_bstr;
1453 case MONO_MARSHAL_CONV_BSTR_STR:
1454 return mono_string_from_bstr;
1455 case MONO_MARSHAL_CONV_STR_TBSTR:
1456 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
1457 return mono_string_to_ansibstr;
1458 case MONO_MARSHAL_CONV_SB_LPSTR:
1459 return mono_string_builder_to_utf8;
1460 case MONO_MARSHAL_CONV_SB_LPTSTR:
1462 return mono_string_builder_to_utf16;
1464 return mono_string_builder_to_utf8;
1466 case MONO_MARSHAL_CONV_SB_LPWSTR:
1467 return mono_string_builder_to_utf16;
1468 case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
1469 return mono_array_to_savearray;
1470 case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
1471 return mono_array_to_lparray;
1472 case MONO_MARSHAL_FREE_LPARRAY:
1473 return mono_free_lparray;
1474 case MONO_MARSHAL_CONV_DEL_FTN:
1475 return mono_delegate_to_ftnptr;
1476 case MONO_MARSHAL_CONV_FTN_DEL:
1477 return mono_ftnptr_to_delegate;
1478 case MONO_MARSHAL_CONV_LPSTR_SB:
1479 return mono_string_utf8_to_builder;
1480 case MONO_MARSHAL_CONV_LPTSTR_SB:
1482 return mono_string_utf16_to_builder;
1484 return mono_string_utf8_to_builder;
1486 case MONO_MARSHAL_CONV_LPWSTR_SB:
1487 return mono_string_utf16_to_builder;
1488 case MONO_MARSHAL_FREE_ARRAY:
1489 return mono_marshal_free_array;
1490 case MONO_MARSHAL_CONV_STR_BYVALSTR:
1491 return mono_string_to_byvalstr;
1492 case MONO_MARSHAL_CONV_STR_BYVALWSTR:
1493 return mono_string_to_byvalwstr;
1495 g_assert_not_reached ();
1502 emit_object_to_ptr_conv (MonoMethodBuilder *mb, MonoType *type, MonoMarshalConv conv, MonoMarshalSpec *mspec)
1507 case MONO_MARSHAL_CONV_BOOL_I4:
1508 mono_mb_emit_ldloc (mb, 1);
1509 mono_mb_emit_ldloc (mb, 0);
1510 mono_mb_emit_byte (mb, CEE_LDIND_U1);
1511 mono_mb_emit_byte (mb, CEE_STIND_I4);
1513 case MONO_MARSHAL_CONV_BOOL_VARIANTBOOL:
1514 mono_mb_emit_ldloc (mb, 1);
1515 mono_mb_emit_ldloc (mb, 0);
1516 mono_mb_emit_byte (mb, CEE_LDIND_U1);
1517 mono_mb_emit_byte (mb, CEE_NEG);
1518 mono_mb_emit_byte (mb, CEE_STIND_I2);
1520 case MONO_MARSHAL_CONV_STR_LPWSTR:
1521 case MONO_MARSHAL_CONV_STR_LPSTR:
1522 case MONO_MARSHAL_CONV_STR_LPTSTR:
1523 case MONO_MARSHAL_CONV_STR_BSTR:
1524 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
1525 case MONO_MARSHAL_CONV_STR_TBSTR: {
1528 /* free space if free == true */
1529 mono_mb_emit_ldloc (mb, 2);
1530 pos = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
1531 mono_mb_emit_ldloc (mb, 1);
1532 mono_mb_emit_byte (mb, CEE_LDIND_I);
1533 mono_mb_emit_icall (mb, g_free);
1534 mono_mb_patch_short_branch (mb, pos);
1536 mono_mb_emit_ldloc (mb, 1);
1537 mono_mb_emit_ldloc (mb, 0);
1538 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1539 mono_mb_emit_icall (mb, conv_to_icall (conv));
1540 mono_mb_emit_byte (mb, CEE_STIND_I);
1543 case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
1544 case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
1545 case MONO_MARSHAL_CONV_DEL_FTN:
1546 mono_mb_emit_ldloc (mb, 1);
1547 mono_mb_emit_ldloc (mb, 0);
1548 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1549 mono_mb_emit_icall (mb, conv_to_icall (conv));
1550 mono_mb_emit_byte (mb, CEE_STIND_I);
1552 case MONO_MARSHAL_CONV_STR_BYVALSTR:
1553 case MONO_MARSHAL_CONV_STR_BYVALWSTR: {
1556 mono_mb_emit_ldloc (mb, 1); /* dst */
1557 mono_mb_emit_ldloc (mb, 0);
1558 mono_mb_emit_byte (mb, CEE_LDIND_REF); /* src String */
1559 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1560 mono_mb_emit_icall (mb, conv_to_icall (conv));
1563 case MONO_MARSHAL_CONV_ARRAY_BYVALARRAY: {
1564 MonoClass *eklass = NULL;
1567 if (type->type == MONO_TYPE_SZARRAY) {
1568 eklass = type->data.klass;
1570 g_assert_not_reached ();
1573 if (eklass->valuetype)
1574 esize = mono_class_native_size (eklass, NULL);
1576 esize = sizeof (gpointer);
1578 mono_mb_emit_ldloc (mb, 0);
1579 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1580 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
1582 if (eklass->blittable) {
1583 mono_mb_emit_ldloc (mb, 1);
1584 mono_mb_emit_ldloc (mb, 0);
1585 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1586 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoArray, vector));
1587 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem * esize);
1588 mono_mb_emit_byte (mb, CEE_PREFIX1);
1589 mono_mb_emit_byte (mb, CEE_CPBLK);
1591 int array_var, src_var, dst_var, index_var;
1592 guint32 label2, label3;
1594 array_var = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
1595 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1596 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1599 mono_mb_emit_ldloc (mb, 0);
1600 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1601 mono_mb_emit_stloc (mb, array_var);
1603 /* save the old src pointer */
1604 mono_mb_emit_ldloc (mb, 0);
1605 mono_mb_emit_stloc (mb, src_var);
1606 /* save the old dst pointer */
1607 mono_mb_emit_ldloc (mb, 1);
1608 mono_mb_emit_stloc (mb, dst_var);
1610 /* Emit marshalling loop */
1611 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1612 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
1613 mono_mb_emit_stloc (mb, index_var);
1616 label2 = mono_mb_get_label (mb);
1617 mono_mb_emit_ldloc (mb, index_var);
1618 mono_mb_emit_ldloc (mb, array_var);
1619 mono_mb_emit_byte (mb, CEE_LDLEN);
1620 label3 = mono_mb_emit_branch (mb, CEE_BGE);
1623 mono_mb_emit_ldloc (mb, array_var);
1624 mono_mb_emit_ldloc (mb, index_var);
1625 mono_mb_emit_op (mb, CEE_LDELEMA, eklass);
1626 mono_mb_emit_stloc (mb, 0);
1628 /* dst is already set */
1630 /* Do the conversion */
1631 emit_struct_conv (mb, eklass, FALSE);
1634 mono_mb_emit_add_to_local (mb, index_var, 1);
1636 mono_mb_emit_branch_label (mb, CEE_BR, label2);
1638 mono_mb_patch_branch (mb, label3);
1640 /* restore the old src pointer */
1641 mono_mb_emit_ldloc (mb, src_var);
1642 mono_mb_emit_stloc (mb, 0);
1643 /* restore the old dst pointer */
1644 mono_mb_emit_ldloc (mb, dst_var);
1645 mono_mb_emit_stloc (mb, 1);
1648 mono_mb_patch_branch (mb, pos);
1651 case MONO_MARSHAL_CONV_ARRAY_BYVALCHARARRAY: {
1652 mono_mb_emit_ldloc (mb, 0);
1653 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1654 pos = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
1656 mono_mb_emit_ldloc (mb, 1);
1657 mono_mb_emit_ldloc (mb, 0);
1658 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1659 mono_mb_emit_ptr (mb, mono_defaults.byte_class);
1660 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1661 mono_mb_emit_icall (mb, mono_array_to_byvalarray);
1662 mono_mb_patch_short_branch (mb, pos);
1665 case MONO_MARSHAL_CONV_OBJECT_STRUCT: {
1666 int src_var, dst_var;
1668 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1669 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1671 mono_mb_emit_ldloc (mb, 0);
1672 mono_mb_emit_byte (mb, CEE_LDIND_I);
1673 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
1675 /* save the old src pointer */
1676 mono_mb_emit_ldloc (mb, 0);
1677 mono_mb_emit_stloc (mb, src_var);
1678 /* save the old dst pointer */
1679 mono_mb_emit_ldloc (mb, 1);
1680 mono_mb_emit_stloc (mb, dst_var);
1682 /* src = pointer to object data */
1683 mono_mb_emit_ldloc (mb, 0);
1684 mono_mb_emit_byte (mb, CEE_LDIND_I);
1685 mono_mb_emit_icon (mb, sizeof (MonoObject));
1686 mono_mb_emit_byte (mb, CEE_ADD);
1687 mono_mb_emit_stloc (mb, 0);
1689 emit_struct_conv (mb, mono_class_from_mono_type (type), FALSE);
1691 /* restore the old src pointer */
1692 mono_mb_emit_ldloc (mb, src_var);
1693 mono_mb_emit_stloc (mb, 0);
1694 /* restore the old dst pointer */
1695 mono_mb_emit_ldloc (mb, dst_var);
1696 mono_mb_emit_stloc (mb, 1);
1698 mono_mb_patch_branch (mb, pos);
1703 case MONO_MARSHAL_CONV_OBJECT_INTERFACE:
1704 case MONO_MARSHAL_CONV_OBJECT_IDISPATCH:
1705 case MONO_MARSHAL_CONV_OBJECT_IUNKNOWN:
1706 mono_cominterop_emit_object_to_ptr_conv (mb, type, conv, mspec);
1708 #endif /* DISABLE_COM */
1710 case MONO_MARSHAL_CONV_SAFEHANDLE: {
1711 int dar_release_slot, pos;
1713 dar_release_slot = mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
1716 * The following is ifdefed-out, because I have no way of doing the
1717 * DangerousRelease when destroying the structure
1720 /* set release = false */
1721 mono_mb_emit_icon (mb, 0);
1722 mono_mb_emit_stloc (mb, dar_release_slot);
1723 if (!sh_dangerous_add_ref)
1724 init_safe_handle ();
1726 /* safehandle.DangerousAddRef (ref release) */
1727 mono_mb_emit_ldloc (mb, 0); /* the source */
1728 mono_mb_emit_byte (mb, CEE_LDIND_I);
1729 mono_mb_emit_ldloc_addr (mb, dar_release_slot);
1730 mono_mb_emit_managed_call (mb, sh_dangerous_add_ref, NULL);
1732 mono_mb_emit_ldloc (mb, 0);
1733 mono_mb_emit_byte (mb, CEE_LDIND_I);
1734 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
1735 mono_mb_emit_exception (mb, "ArgumentNullException", NULL);
1736 mono_mb_patch_branch (mb, pos);
1738 /* Pull the handle field from SafeHandle */
1739 mono_mb_emit_ldloc (mb, 1);
1740 mono_mb_emit_ldloc (mb, 0);
1741 mono_mb_emit_byte (mb, CEE_LDIND_I);
1742 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoSafeHandle, handle));
1743 mono_mb_emit_byte (mb, CEE_LDIND_I);
1744 mono_mb_emit_byte (mb, CEE_STIND_I);
1748 case MONO_MARSHAL_CONV_HANDLEREF: {
1749 mono_mb_emit_ldloc (mb, 1);
1750 mono_mb_emit_ldloc (mb, 0);
1751 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoHandleRef, handle));
1752 mono_mb_emit_byte (mb, CEE_ADD);
1753 mono_mb_emit_byte (mb, CEE_LDIND_I);
1754 mono_mb_emit_byte (mb, CEE_STIND_I);
1759 char *msg = g_strdup_printf ("marshalling conversion %d not implemented", conv);
1760 MonoException *exc = mono_get_exception_not_implemented (msg);
1761 g_warning ("%s", msg);
1763 mono_raise_exception (exc);
1769 emit_struct_conv (MonoMethodBuilder *mb, MonoClass *klass, gboolean to_object)
1771 MonoMarshalType *info;
1775 emit_struct_conv(mb, klass->parent, to_object);
1777 info = mono_marshal_load_type_info (klass);
1779 if (info->native_size == 0)
1782 if (klass->blittable) {
1783 int msize = mono_class_value_size (klass, NULL);
1784 g_assert (msize == info->native_size);
1785 mono_mb_emit_ldloc (mb, 1);
1786 mono_mb_emit_ldloc (mb, 0);
1787 mono_mb_emit_icon (mb, msize);
1788 mono_mb_emit_byte (mb, CEE_PREFIX1);
1789 mono_mb_emit_byte (mb, CEE_CPBLK);
1791 mono_mb_emit_add_to_local (mb, 0, msize);
1792 mono_mb_emit_add_to_local (mb, 1, msize);
1796 if (klass != mono_defaults.safehandle_class) {
1797 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
1798 char *msg = g_strdup_printf ("Type %s which is passed to unmanaged code must have a StructLayout attribute.",
1799 mono_type_full_name (&klass->byval_arg));
1800 mono_mb_emit_exception_marshal_directive (mb, msg);
1805 for (i = 0; i < info->num_fields; i++) {
1806 MonoMarshalNative ntype;
1807 MonoMarshalConv conv;
1808 MonoType *ftype = info->fields [i].field->type;
1811 gboolean last_field = i < (info->num_fields -1) ? 0 : 1;
1813 if (ftype->attrs & FIELD_ATTRIBUTE_STATIC)
1816 ntype = mono_type_to_unmanaged (ftype, info->fields [i].mspec, TRUE, klass->unicode, &conv);
1819 msize = klass->instance_size - info->fields [i].field->offset;
1820 usize = info->native_size - info->fields [i].offset;
1822 msize = info->fields [i + 1].field->offset - info->fields [i].field->offset;
1823 usize = info->fields [i + 1].offset - info->fields [i].offset;
1826 if (klass != mono_defaults.safehandle_class){
1828 * FIXME: Should really check for usize==0 and msize>0, but we apply
1829 * the layout to the managed structure as well.
1832 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) && (usize == 0)) {
1833 if (MONO_TYPE_IS_REFERENCE (info->fields [i].field->type) ||
1834 ((!last_field && MONO_TYPE_IS_REFERENCE (info->fields [i + 1].field->type))))
1835 g_error ("Type %s which has an [ExplicitLayout] attribute cannot have a "
1836 "reference field at the same offset as another field.",
1837 mono_type_full_name (&klass->byval_arg));
1842 case MONO_MARSHAL_CONV_NONE: {
1845 if (ftype->byref || ftype->type == MONO_TYPE_I ||
1846 ftype->type == MONO_TYPE_U) {
1847 mono_mb_emit_ldloc (mb, 1);
1848 mono_mb_emit_ldloc (mb, 0);
1849 mono_mb_emit_byte (mb, CEE_LDIND_I);
1850 mono_mb_emit_byte (mb, CEE_STIND_I);
1861 case MONO_TYPE_BOOLEAN:
1864 case MONO_TYPE_CHAR:
1870 mono_mb_emit_ldloc (mb, 1);
1871 mono_mb_emit_ldloc (mb, 0);
1872 if (ntype == MONO_NATIVE_U1) {
1874 mono_mb_emit_byte (mb, CEE_LDIND_U1);
1875 mono_mb_emit_byte (mb, CEE_STIND_I2);
1877 mono_mb_emit_byte (mb, CEE_LDIND_U2);
1878 mono_mb_emit_byte (mb, CEE_STIND_I1);
1881 mono_mb_emit_byte (mb, mono_type_to_ldind (ftype));
1882 mono_mb_emit_byte (mb, mono_type_to_stind (ftype));
1885 case MONO_TYPE_VALUETYPE: {
1886 int src_var, dst_var;
1888 if (ftype->data.klass->enumtype) {
1889 ftype = mono_class_enum_basetype (ftype->data.klass);
1893 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1894 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1896 /* save the old src pointer */
1897 mono_mb_emit_ldloc (mb, 0);
1898 mono_mb_emit_stloc (mb, src_var);
1899 /* save the old dst pointer */
1900 mono_mb_emit_ldloc (mb, 1);
1901 mono_mb_emit_stloc (mb, dst_var);
1903 emit_struct_conv (mb, ftype->data.klass, to_object);
1905 /* restore the old src pointer */
1906 mono_mb_emit_ldloc (mb, src_var);
1907 mono_mb_emit_stloc (mb, 0);
1908 /* restore the old dst pointer */
1909 mono_mb_emit_ldloc (mb, dst_var);
1910 mono_mb_emit_stloc (mb, 1);
1913 case MONO_TYPE_OBJECT: {
1914 mono_init_com_types ();
1916 static MonoMethod *variant_clear = NULL;
1917 static MonoMethod *get_object_for_native_variant = NULL;
1920 variant_clear = mono_class_get_method_from_name (mono_defaults.variant_class, "Clear", 0);
1921 if (!get_object_for_native_variant)
1922 get_object_for_native_variant = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetObjectForNativeVariant", 1);
1923 mono_mb_emit_ldloc (mb, 1);
1924 mono_mb_emit_ldloc (mb, 0);
1925 mono_mb_emit_managed_call (mb, get_object_for_native_variant, NULL);
1926 mono_mb_emit_byte (mb, CEE_STIND_REF);
1928 mono_mb_emit_ldloc (mb, 0);
1929 mono_mb_emit_managed_call (mb, variant_clear, NULL);
1932 static MonoMethod *get_native_variant_for_object = NULL;
1934 if (!get_native_variant_for_object)
1935 get_native_variant_for_object = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetNativeVariantForObject", 2);
1937 mono_mb_emit_ldloc (mb, 0);
1938 mono_mb_emit_byte(mb, CEE_LDIND_REF);
1939 mono_mb_emit_ldloc (mb, 1);
1940 mono_mb_emit_managed_call (mb, get_native_variant_for_object, NULL);
1946 g_warning ("marshaling type %02x not implemented", ftype->type);
1947 g_assert_not_reached ();
1952 int src_var, dst_var;
1954 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1955 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1957 /* save the old src pointer */
1958 mono_mb_emit_ldloc (mb, 0);
1959 mono_mb_emit_stloc (mb, src_var);
1960 /* save the old dst pointer */
1961 mono_mb_emit_ldloc (mb, 1);
1962 mono_mb_emit_stloc (mb, dst_var);
1965 emit_ptr_to_object_conv (mb, ftype, conv, info->fields [i].mspec);
1967 emit_object_to_ptr_conv (mb, ftype, conv, info->fields [i].mspec);
1969 /* restore the old src pointer */
1970 mono_mb_emit_ldloc (mb, src_var);
1971 mono_mb_emit_stloc (mb, 0);
1972 /* restore the old dst pointer */
1973 mono_mb_emit_ldloc (mb, dst_var);
1974 mono_mb_emit_stloc (mb, 1);
1979 mono_mb_emit_add_to_local (mb, 0, usize);
1980 mono_mb_emit_add_to_local (mb, 1, msize);
1982 mono_mb_emit_add_to_local (mb, 0, msize);
1983 mono_mb_emit_add_to_local (mb, 1, usize);
1989 emit_struct_free (MonoMethodBuilder *mb, MonoClass *klass, int struct_var)
1991 /* Call DestroyStructure */
1992 /* FIXME: Only do this if needed */
1993 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1994 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
1995 mono_mb_emit_ldloc (mb, struct_var);
1996 mono_mb_emit_icall (mb, mono_struct_delete_old);
2000 emit_thread_interrupt_checkpoint_call (MonoMethodBuilder *mb, gpointer checkpoint_func)
2004 mono_mb_emit_ptr (mb, (gpointer) mono_thread_interruption_request_flag ());
2005 mono_mb_emit_byte (mb, CEE_LDIND_U4);
2006 pos_noabort = mono_mb_emit_branch (mb, CEE_BRFALSE);
2008 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2009 mono_mb_emit_byte (mb, CEE_MONO_NOT_TAKEN);
2011 mono_mb_emit_icall (mb, checkpoint_func);
2013 mono_mb_patch_branch (mb, pos_noabort);
2017 emit_thread_interrupt_checkpoint (MonoMethodBuilder *mb)
2019 if (strstr (mb->name, "mono_thread_interruption_checkpoint"))
2022 emit_thread_interrupt_checkpoint_call (mb, mono_thread_interruption_checkpoint);
2026 emit_thread_force_interrupt_checkpoint (MonoMethodBuilder *mb)
2028 emit_thread_interrupt_checkpoint_call (mb, mono_thread_force_interruption_checkpoint);
2032 mono_marshal_emit_thread_interrupt_checkpoint (MonoMethodBuilder *mb)
2034 emit_thread_interrupt_checkpoint (mb);
2037 static MonoAsyncResult *
2038 mono_delegate_begin_invoke (MonoDelegate *delegate, gpointer *params)
2040 MonoMethodMessage *msg;
2041 MonoDelegate *async_callback;
2042 MonoMulticastDelegate *mcast_delegate;
2046 MonoMethod *method = NULL, *method2 = NULL;
2048 g_assert (delegate);
2049 mcast_delegate = (MonoMulticastDelegate *) delegate;
2050 if (mcast_delegate->prev != NULL)
2051 mono_raise_exception (mono_get_exception_argument (NULL, "The delegate must have only one target"));
2053 if (delegate->target && mono_object_class (delegate->target) == mono_defaults.transparent_proxy_class) {
2055 MonoTransparentProxy* tp = (MonoTransparentProxy *)delegate->target;
2056 if (!tp->remote_class->proxy_class->contextbound || tp->rp->context != (MonoObject *) mono_context_get ()) {
2058 /* If the target is a proxy, make a direct call. Is proxy's work
2059 // to make the call asynchronous.
2061 MonoAsyncResult *ares;
2063 MonoArray *out_args;
2064 method = delegate->method;
2066 msg = mono_method_call_message_new (mono_marshal_method_from_wrapper (method), params, NULL, &async_callback, &state);
2067 ares = mono_async_result_new (mono_domain_get (), NULL, state, NULL, NULL);
2068 MONO_OBJECT_SETREF (ares, async_delegate, (MonoObject *)delegate);
2069 MONO_OBJECT_SETREF (ares, async_callback, (MonoObject *)async_callback);
2070 MONO_OBJECT_SETREF (msg, async_result, ares);
2071 msg->call_type = CallType_BeginInvoke;
2074 mono_remoting_invoke ((MonoObject *)tp->rp, msg, &exc, &out_args);
2076 mono_raise_exception ((MonoException *) exc);
2081 klass = delegate->object.vtable->klass;
2083 method = mono_get_delegate_invoke (klass);
2084 method2 = mono_class_get_method_from_name (klass, "BeginInvoke", -1);
2087 g_assert (method != NULL);
2089 im = mono_get_delegate_invoke (method->klass);
2090 msg = mono_method_call_message_new (method, params, im, &async_callback, &state);
2092 return mono_thread_pool_add ((MonoObject *)delegate, msg, async_callback, state);
2096 mono_mb_emit_save_args (MonoMethodBuilder *mb, MonoMethodSignature *sig, gboolean save_this)
2098 int i, params_var, tmp_var;
2100 /* allocate local (pointer) *params[] */
2101 params_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2102 /* allocate local (pointer) tmp */
2103 tmp_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2105 /* alloate space on stack to store an array of pointers to the arguments */
2106 mono_mb_emit_icon (mb, sizeof (gpointer) * (sig->param_count + 1));
2107 mono_mb_emit_byte (mb, CEE_PREFIX1);
2108 mono_mb_emit_byte (mb, CEE_LOCALLOC);
2109 mono_mb_emit_stloc (mb, params_var);
2112 mono_mb_emit_ldloc (mb, params_var);
2113 mono_mb_emit_stloc (mb, tmp_var);
2115 if (save_this && sig->hasthis) {
2116 mono_mb_emit_ldloc (mb, tmp_var);
2117 mono_mb_emit_ldarg_addr (mb, 0);
2118 mono_mb_emit_byte (mb, CEE_STIND_I);
2119 /* tmp = tmp + sizeof (gpointer) */
2120 if (sig->param_count)
2121 mono_mb_emit_add_to_local (mb, tmp_var, sizeof (gpointer));
2125 for (i = 0; i < sig->param_count; i++) {
2126 mono_mb_emit_ldloc (mb, tmp_var);
2127 mono_mb_emit_ldarg_addr (mb, i + sig->hasthis);
2128 mono_mb_emit_byte (mb, CEE_STIND_I);
2129 /* tmp = tmp + sizeof (gpointer) */
2130 if (i < (sig->param_count - 1))
2131 mono_mb_emit_add_to_local (mb, tmp_var, sizeof (gpointer));
2138 mono_signature_to_name (MonoMethodSignature *sig, const char *prefix)
2142 GString *res = g_string_new ("");
2145 g_string_append (res, prefix);
2146 g_string_append_c (res, '_');
2149 mono_type_get_desc (res, sig->ret, FALSE);
2152 g_string_append (res, "__this__");
2154 for (i = 0; i < sig->param_count; ++i) {
2155 g_string_append_c (res, '_');
2156 mono_type_get_desc (res, sig->params [i], FALSE);
2159 g_string_free (res, FALSE);
2164 * mono_marshal_get_string_encoding:
2166 * Return the string encoding which should be used for a given parameter.
2168 static MonoMarshalNative
2169 mono_marshal_get_string_encoding (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
2171 /* First try the parameter marshal info */
2173 if (spec->native == MONO_NATIVE_LPARRAY) {
2174 if ((spec->data.array_data.elem_type != 0) && (spec->data.array_data.elem_type != MONO_NATIVE_MAX))
2175 return spec->data.array_data.elem_type;
2178 return spec->native;
2182 return MONO_NATIVE_LPSTR;
2184 /* Then try the method level marshal info */
2185 switch (piinfo->piflags & PINVOKE_ATTRIBUTE_CHAR_SET_MASK) {
2186 case PINVOKE_ATTRIBUTE_CHAR_SET_ANSI:
2187 return MONO_NATIVE_LPSTR;
2188 case PINVOKE_ATTRIBUTE_CHAR_SET_UNICODE:
2189 return MONO_NATIVE_LPWSTR;
2190 case PINVOKE_ATTRIBUTE_CHAR_SET_AUTO:
2192 return MONO_NATIVE_LPWSTR;
2194 return MONO_NATIVE_LPSTR;
2197 return MONO_NATIVE_LPSTR;
2201 static MonoMarshalConv
2202 mono_marshal_get_string_to_ptr_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
2204 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
2207 case MONO_NATIVE_LPWSTR:
2208 return MONO_MARSHAL_CONV_STR_LPWSTR;
2209 case MONO_NATIVE_LPSTR:
2210 case MONO_NATIVE_VBBYREFSTR:
2211 return MONO_MARSHAL_CONV_STR_LPSTR;
2212 case MONO_NATIVE_LPTSTR:
2213 return MONO_MARSHAL_CONV_STR_LPTSTR;
2214 case MONO_NATIVE_BSTR:
2215 return MONO_MARSHAL_CONV_STR_BSTR;
2221 static MonoMarshalConv
2222 mono_marshal_get_stringbuilder_to_ptr_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
2224 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
2227 case MONO_NATIVE_LPWSTR:
2228 return MONO_MARSHAL_CONV_SB_LPWSTR;
2230 case MONO_NATIVE_LPSTR:
2231 return MONO_MARSHAL_CONV_SB_LPSTR;
2233 case MONO_NATIVE_LPTSTR:
2234 return MONO_MARSHAL_CONV_SB_LPTSTR;
2241 static MonoMarshalConv
2242 mono_marshal_get_ptr_to_string_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec, gboolean *need_free)
2244 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
2249 case MONO_NATIVE_LPWSTR:
2251 return MONO_MARSHAL_CONV_LPWSTR_STR;
2252 case MONO_NATIVE_LPSTR:
2253 case MONO_NATIVE_VBBYREFSTR:
2254 return MONO_MARSHAL_CONV_LPSTR_STR;
2255 case MONO_NATIVE_LPTSTR:
2256 return MONO_MARSHAL_CONV_LPTSTR_STR;
2257 case MONO_NATIVE_BSTR:
2258 return MONO_MARSHAL_CONV_BSTR_STR;
2264 static MonoMarshalConv
2265 mono_marshal_get_ptr_to_stringbuilder_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec, gboolean *need_free)
2267 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
2272 case MONO_NATIVE_LPWSTR:
2274 * mono_string_builder_to_utf16 does not allocate a
2275 * new buffer, so no need to free it.
2278 return MONO_MARSHAL_CONV_LPWSTR_SB;
2279 case MONO_NATIVE_LPSTR:
2280 return MONO_MARSHAL_CONV_LPSTR_SB;
2282 case MONO_NATIVE_LPTSTR:
2283 return MONO_MARSHAL_CONV_LPTSTR_SB;
2291 * Return whenever a field of a native structure or an array member needs to
2295 mono_marshal_need_free (MonoType *t, MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
2297 MonoMarshalNative encoding;
2298 MonoMarshalConv conv;
2301 case MONO_TYPE_VALUETYPE:
2302 /* FIXME: Optimize this */
2304 case MONO_TYPE_OBJECT:
2305 case MONO_TYPE_CLASS:
2306 if (t->data.klass == mono_defaults.stringbuilder_class) {
2308 conv = mono_marshal_get_ptr_to_stringbuilder_conv (piinfo, spec, &need_free);
2312 case MONO_TYPE_STRING:
2313 encoding = mono_marshal_get_string_encoding (piinfo, spec);
2314 return (encoding == MONO_NATIVE_LPWSTR) ? FALSE : TRUE;
2321 * Return the hash table pointed to by VAR, lazily creating it if neccesary.
2324 get_cache (GHashTable **var, GHashFunc hash_func, GCompareFunc equal_func)
2327 mono_marshal_lock ();
2330 g_hash_table_new (hash_func, equal_func);
2331 mono_memory_barrier ();
2334 mono_marshal_unlock ();
2340 get_cache_full (GHashTable **var, GHashFunc hash_func, GCompareFunc equal_func, GDestroyNotify key_destroy_func, GDestroyNotify value_destroy_func)
2343 mono_marshal_lock ();
2346 g_hash_table_new_full (hash_func, equal_func, key_destroy_func, value_destroy_func);
2347 mono_memory_barrier ();
2350 mono_marshal_unlock ();
2356 mono_marshal_get_cache (GHashTable **var, GHashFunc hash_func, GCompareFunc equal_func)
2358 return get_cache (var, hash_func, equal_func);
2362 mono_marshal_find_in_cache (GHashTable *cache, gpointer key)
2366 mono_marshal_lock ();
2367 res = g_hash_table_lookup (cache, key);
2368 mono_marshal_unlock ();
2372 /* Create the method from the builder and place it in the cache */
2374 mono_mb_create_and_cache (GHashTable *cache, gpointer key,
2375 MonoMethodBuilder *mb, MonoMethodSignature *sig,
2380 mono_marshal_lock ();
2381 res = g_hash_table_lookup (cache, key);
2382 mono_marshal_unlock ();
2385 newm = mono_mb_create_method (mb, sig, max_stack);
2386 mono_marshal_lock ();
2387 res = g_hash_table_lookup (cache, key);
2390 g_hash_table_insert (cache, key, res);
2391 mono_marshal_set_wrapper_info (res, key);
2392 mono_marshal_unlock ();
2394 mono_marshal_unlock ();
2395 mono_free_method (newm);
2403 static inline MonoMethod*
2404 mono_marshal_remoting_find_in_cache (MonoMethod *method, int wrapper_type)
2406 MonoMethod *res = NULL;
2407 MonoRemotingMethods *wrps;
2409 mono_marshal_lock ();
2410 if (method->klass->image->remoting_invoke_cache)
2411 wrps = g_hash_table_lookup (method->klass->image->remoting_invoke_cache, method);
2416 switch (wrapper_type) {
2417 case MONO_WRAPPER_REMOTING_INVOKE: res = wrps->invoke; break;
2418 case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK: res = wrps->invoke_with_check; break;
2419 case MONO_WRAPPER_XDOMAIN_INVOKE: res = wrps->xdomain_invoke; break;
2420 case MONO_WRAPPER_XDOMAIN_DISPATCH: res = wrps->xdomain_dispatch; break;
2424 /* it is important to do the unlock after the load from wrps, since in
2425 * mono_remoting_mb_create_and_cache () we drop the marshal lock to be able
2426 * to take the loader lock and some other thread may set the fields.
2428 mono_marshal_unlock ();
2432 /* Create the method from the builder and place it in the cache */
2433 static inline MonoMethod*
2434 mono_remoting_mb_create_and_cache (MonoMethod *key, MonoMethodBuilder *mb,
2435 MonoMethodSignature *sig, int max_stack)
2437 MonoMethod **res = NULL;
2438 MonoRemotingMethods *wrps;
2439 GHashTable *cache = get_cache_full (&key->klass->image->remoting_invoke_cache, mono_aligned_addr_hash, NULL, NULL, g_free);
2441 mono_marshal_lock ();
2442 wrps = g_hash_table_lookup (cache, key);
2444 wrps = g_new0 (MonoRemotingMethods, 1);
2445 g_hash_table_insert (cache, key, wrps);
2448 switch (mb->method->wrapper_type) {
2449 case MONO_WRAPPER_REMOTING_INVOKE: res = &wrps->invoke; break;
2450 case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK: res = &wrps->invoke_with_check; break;
2451 case MONO_WRAPPER_XDOMAIN_INVOKE: res = &wrps->xdomain_invoke; break;
2452 case MONO_WRAPPER_XDOMAIN_DISPATCH: res = &wrps->xdomain_dispatch; break;
2453 default: g_assert_not_reached (); break;
2455 mono_marshal_unlock ();
2459 newm = mono_mb_create_method (mb, sig, max_stack);
2461 mono_marshal_lock ();
2464 mono_marshal_set_wrapper_info (*res, key);
2465 mono_marshal_unlock ();
2467 mono_marshal_unlock ();
2468 mono_free_method (newm);
2476 mono_marshal_method_from_wrapper (MonoMethod *wrapper)
2479 int wrapper_type = wrapper->wrapper_type;
2481 if (wrapper_type == MONO_WRAPPER_NONE || wrapper_type == MONO_WRAPPER_DYNAMIC_METHOD)
2484 switch (wrapper_type) {
2485 case MONO_WRAPPER_REMOTING_INVOKE:
2486 case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK:
2487 case MONO_WRAPPER_XDOMAIN_INVOKE:
2488 case MONO_WRAPPER_SYNCHRONIZED:
2489 case MONO_WRAPPER_MANAGED_TO_NATIVE:
2490 case MONO_WRAPPER_RUNTIME_INVOKE:
2491 res = mono_method_get_wrapper_data (wrapper, 1);
2501 * mono_marshal_get_wrapper_info:
2503 * Retrieve the pointer stored by mono_marshal_set_wrapper_info.
2506 mono_marshal_get_wrapper_info (MonoMethod *wrapper)
2508 g_assert (wrapper->wrapper_type);
2510 return mono_method_get_wrapper_data (wrapper, 1);
2514 * mono_marshal_set_wrapper_info:
2516 * Store an arbitrary pointer inside the wrapper which is retrievable by
2517 * mono_marshal_get_wrapper_info. The format of the data depends on the type of the
2518 * wrapper (method->wrapper_type).
2521 mono_marshal_set_wrapper_info (MonoMethod *method, gpointer data)
2525 if (method->wrapper_type == MONO_WRAPPER_NONE || method->wrapper_type == MONO_WRAPPER_DYNAMIC_METHOD)
2528 datav = ((MonoMethodWrapper *)method)->method_data;
2533 * get_wrapper_target_class:
2535 * Return the class where a wrapper method should be placed.
2538 get_wrapper_target_class (MonoImage *image)
2544 * - can't put all wrappers into an mscorlib class, because they reference
2545 * metadata (signature) so they should be put into the same image as the
2546 * method they wrap, so they are unloaded together.
2547 * - putting them into a class with a type initalizer could cause the
2548 * initializer to be executed which can be a problem if the wrappers are
2550 * - putting them into an inflated class can cause problems if the the
2551 * class is deleted because it references an image which is unloaded.
2552 * To avoid these problems, we put the wrappers into the <Module> class of
2556 klass = ((MonoDynamicImage*)image)->wrappers_type;
2558 klass = mono_class_get (image, mono_metadata_make_token (MONO_TABLE_TYPEDEF, 1));
2565 mono_marshal_get_delegate_begin_invoke (MonoMethod *method)
2567 MonoMethodSignature *sig;
2568 MonoMethodBuilder *mb;
2574 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
2575 !strcmp (method->name, "BeginInvoke"));
2577 sig = mono_signature_no_pinvoke (method);
2579 cache = get_cache (&method->klass->image->delegate_begin_invoke_cache,
2580 (GHashFunc)mono_signature_hash,
2581 (GCompareFunc)mono_metadata_signature_equal);
2582 if ((res = mono_marshal_find_in_cache (cache, sig)))
2585 g_assert (sig->hasthis);
2587 name = mono_signature_to_name (sig, "begin_invoke");
2588 mb = mono_mb_new (get_wrapper_target_class (method->klass->image), name, MONO_WRAPPER_DELEGATE_BEGIN_INVOKE);
2591 params_var = mono_mb_emit_save_args (mb, sig, FALSE);
2593 mono_mb_emit_ldarg (mb, 0);
2594 mono_mb_emit_ldloc (mb, params_var);
2595 mono_mb_emit_icall (mb, mono_delegate_begin_invoke);
2596 mono_mb_emit_byte (mb, CEE_RET);
2598 res = mono_mb_create_and_cache (cache, sig, mb, sig, sig->param_count + 16);
2604 mono_delegate_end_invoke (MonoDelegate *delegate, gpointer *params)
2606 MonoDomain *domain = mono_domain_get ();
2607 MonoAsyncResult *ares;
2608 MonoMethod *method = NULL;
2609 MonoMethodSignature *sig;
2610 MonoMethodMessage *msg;
2611 MonoObject *res, *exc;
2612 MonoArray *out_args;
2615 g_assert (delegate);
2617 if (!delegate->method_info) {
2618 g_assert (delegate->method);
2619 MONO_OBJECT_SETREF (delegate, method_info, mono_method_get_object (domain, delegate->method, NULL));
2622 if (!delegate->method_info || !delegate->method_info->method)
2623 g_assert_not_reached ();
2625 klass = delegate->object.vtable->klass;
2627 method = mono_class_get_method_from_name (klass, "EndInvoke", -1);
2628 g_assert (method != NULL);
2630 sig = mono_signature_no_pinvoke (method);
2632 msg = mono_method_call_message_new (method, params, NULL, NULL, NULL);
2634 ares = mono_array_get (msg->args, gpointer, sig->param_count - 1);
2636 mono_raise_exception (mono_exception_from_name_msg (mono_defaults.corlib, "System.Runtime.Remoting", "RemotingException", "The async result object is null or of an unexpected type."));
2640 if (ares->async_delegate != (MonoObject*)delegate) {
2641 mono_raise_exception (mono_get_exception_invalid_operation (
2642 "The IAsyncResult object provided does not match this delegate."));
2646 if (delegate->target && mono_object_class (delegate->target) == mono_defaults.transparent_proxy_class) {
2647 MonoTransparentProxy* tp = (MonoTransparentProxy *)delegate->target;
2648 msg = (MonoMethodMessage *)mono_object_new (domain, mono_defaults.mono_method_message_class);
2649 mono_message_init (domain, msg, delegate->method_info, NULL);
2650 msg->call_type = CallType_EndInvoke;
2651 MONO_OBJECT_SETREF (msg, async_result, ares);
2652 res = mono_remoting_invoke ((MonoObject *)tp->rp, msg, &exc, &out_args);
2654 res = mono_thread_pool_finish (ares, &out_args, &exc);
2658 if (((MonoException*)exc)->stack_trace) {
2659 char *strace = mono_string_to_utf8 (((MonoException*)exc)->stack_trace);
2661 tmp = g_strdup_printf ("%s\nException Rethrown at:\n", strace);
2663 MONO_OBJECT_SETREF (((MonoException*)exc), stack_trace, mono_string_new (domain, tmp));
2666 mono_raise_exception ((MonoException*)exc);
2669 mono_method_return_message_restore (method, params, out_args);
2674 mono_mb_emit_restore_result (MonoMethodBuilder *mb, MonoType *return_type)
2676 MonoType *t = mono_type_get_underlying_type (return_type);
2678 if (return_type->byref)
2679 return_type = &mono_defaults.int_class->byval_arg;
2682 case MONO_TYPE_VOID:
2683 g_assert_not_reached ();
2686 case MONO_TYPE_STRING:
2687 case MONO_TYPE_CLASS:
2688 case MONO_TYPE_OBJECT:
2689 case MONO_TYPE_ARRAY:
2690 case MONO_TYPE_SZARRAY:
2694 case MONO_TYPE_BOOLEAN:
2697 case MONO_TYPE_CHAR:
2707 mono_mb_emit_op (mb, CEE_UNBOX, mono_class_from_mono_type (return_type));
2708 mono_mb_emit_byte (mb, mono_type_to_ldind (return_type));
2710 case MONO_TYPE_GENERICINST:
2711 if (!mono_type_generic_inst_is_valuetype (t))
2714 case MONO_TYPE_VALUETYPE: {
2715 MonoClass *klass = mono_class_from_mono_type (return_type);
2716 mono_mb_emit_op (mb, CEE_UNBOX, klass);
2717 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
2721 g_warning ("type 0x%x not handled", return_type->type);
2722 g_assert_not_reached ();
2725 mono_mb_emit_byte (mb, CEE_RET);
2729 mono_marshal_get_delegate_end_invoke (MonoMethod *method)
2731 MonoMethodSignature *sig;
2732 MonoMethodBuilder *mb;
2738 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
2739 !strcmp (method->name, "EndInvoke"));
2741 sig = mono_signature_no_pinvoke (method);
2743 cache = get_cache (&method->klass->image->delegate_end_invoke_cache,
2744 (GHashFunc)mono_signature_hash,
2745 (GCompareFunc)mono_metadata_signature_equal);
2746 if ((res = mono_marshal_find_in_cache (cache, sig)))
2749 g_assert (sig->hasthis);
2751 name = mono_signature_to_name (sig, "end_invoke");
2752 mb = mono_mb_new (get_wrapper_target_class (method->klass->image), name, MONO_WRAPPER_DELEGATE_END_INVOKE);
2755 params_var = mono_mb_emit_save_args (mb, sig, FALSE);
2757 mono_mb_emit_ldarg (mb, 0);
2758 mono_mb_emit_ldloc (mb, params_var);
2759 mono_mb_emit_icall (mb, mono_delegate_end_invoke);
2761 if (sig->ret->type == MONO_TYPE_VOID) {
2762 mono_mb_emit_byte (mb, CEE_POP);
2763 mono_mb_emit_byte (mb, CEE_RET);
2765 mono_mb_emit_restore_result (mb, sig->ret);
2767 res = mono_mb_create_and_cache (cache, sig,
2768 mb, sig, sig->param_count + 16);
2775 mono_remoting_wrapper (MonoMethod *method, gpointer *params)
2777 MonoMethodMessage *msg;
2778 MonoTransparentProxy *this;
2779 MonoObject *res, *exc;
2780 MonoArray *out_args;
2782 this = *((MonoTransparentProxy **)params [0]);
2785 g_assert (((MonoObject *)this)->vtable->klass == mono_defaults.transparent_proxy_class);
2787 /* skip the this pointer */
2790 if (this->remote_class->proxy_class->contextbound && this->rp->context == (MonoObject *) mono_context_get ())
2793 MonoMethodSignature *sig = mono_method_signature (method);
2794 int count = sig->param_count;
2795 gpointer* mparams = (gpointer*) alloca(count*sizeof(gpointer));
2797 for (i=0; i<count; i++) {
2798 MonoClass *class = mono_class_from_mono_type (sig->params [i]);
2799 if (class->valuetype) {
2800 if (sig->params [i]->byref) {
2801 mparams[i] = *((gpointer *)params [i]);
2803 /* runtime_invoke expects a boxed instance */
2804 if (mono_class_is_nullable (mono_class_from_mono_type (sig->params [i])))
2805 mparams[i] = mono_nullable_box (params [i], class);
2807 mparams[i] = params [i];
2810 mparams[i] = *((gpointer**)params [i]);
2814 return mono_runtime_invoke (method, method->klass->valuetype? mono_object_unbox ((MonoObject*)this): this, mparams, NULL);
2817 msg = mono_method_call_message_new (method, params, NULL, NULL, NULL);
2819 res = mono_remoting_invoke ((MonoObject *)this->rp, msg, &exc, &out_args);
2822 mono_raise_exception ((MonoException *)exc);
2824 mono_method_return_message_restore (method, params, out_args);
2830 mono_marshal_get_remoting_invoke (MonoMethod *method)
2832 MonoMethodSignature *sig;
2833 MonoMethodBuilder *mb;
2839 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE || method->wrapper_type == MONO_WRAPPER_XDOMAIN_INVOKE)
2842 /* this seems to be the best plase to put this, as all remoting invokes seem to get filtered through here */
2843 if (method->klass->is_com_object || method->klass == mono_defaults.com_object_class) {
2844 MonoVTable *vtable = mono_class_vtable (mono_domain_get (), method->klass);
2845 g_assert (vtable); /*FIXME do proper error handling*/
2847 if (!vtable->remote) {
2849 return mono_cominterop_get_invoke (method);
2851 g_assert_not_reached ();
2856 sig = mono_signature_no_pinvoke (method);
2858 /* we cant remote methods without this pointer */
2862 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_REMOTING_INVOKE)))
2865 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_REMOTING_INVOKE);
2866 mb->method->save_lmf = 1;
2868 params_var = mono_mb_emit_save_args (mb, sig, TRUE);
2870 mono_mb_emit_ptr (mb, method);
2871 mono_mb_emit_ldloc (mb, params_var);
2872 mono_mb_emit_icall (mb, mono_remoting_wrapper);
2873 emit_thread_interrupt_checkpoint (mb);
2875 if (sig->ret->type == MONO_TYPE_VOID) {
2876 mono_mb_emit_byte (mb, CEE_POP);
2877 mono_mb_emit_byte (mb, CEE_RET);
2879 mono_mb_emit_restore_result (mb, sig->ret);
2882 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16);
2888 /* mono_get_xdomain_marshal_type()
2889 * Returns the kind of marshalling that a type needs for cross domain calls.
2891 static MonoXDomainMarshalType
2892 mono_get_xdomain_marshal_type (MonoType *t)
2895 case MONO_TYPE_VOID:
2896 g_assert_not_reached ();
2900 case MONO_TYPE_BOOLEAN:
2903 case MONO_TYPE_CHAR:
2910 return MONO_MARSHAL_NONE;
2911 case MONO_TYPE_STRING:
2912 return MONO_MARSHAL_COPY;
2913 case MONO_TYPE_ARRAY:
2914 case MONO_TYPE_SZARRAY: {
2915 MonoClass *elem_class = mono_class_from_mono_type (t)->element_class;
2916 if (mono_get_xdomain_marshal_type (&(elem_class->byval_arg)) != MONO_MARSHAL_SERIALIZE)
2917 return MONO_MARSHAL_COPY;
2922 return MONO_MARSHAL_SERIALIZE;
2926 /* mono_marshal_xdomain_copy_value
2927 * Makes a copy of "val" suitable for the current domain.
2930 mono_marshal_xdomain_copy_value (MonoObject *val)
2933 if (val == NULL) return NULL;
2935 domain = mono_domain_get ();
2937 switch (mono_object_class (val)->byval_arg.type) {
2938 case MONO_TYPE_VOID:
2939 g_assert_not_reached ();
2943 case MONO_TYPE_BOOLEAN:
2946 case MONO_TYPE_CHAR:
2952 case MONO_TYPE_R8: {
2953 return mono_value_box (domain, mono_object_class (val), ((char*)val) + sizeof(MonoObject));
2955 case MONO_TYPE_STRING: {
2956 MonoString *str = (MonoString *) val;
2957 return (MonoObject *) mono_string_new_utf16 (domain, mono_string_chars (str), mono_string_length (str));
2959 case MONO_TYPE_ARRAY:
2960 case MONO_TYPE_SZARRAY: {
2962 MonoXDomainMarshalType mt = mono_get_xdomain_marshal_type (&(mono_object_class (val)->element_class->byval_arg));
2963 if (mt == MONO_MARSHAL_SERIALIZE) return NULL;
2964 acopy = mono_array_clone_in_domain (domain, (MonoArray *) val);
2965 if (mt == MONO_MARSHAL_COPY) {
2966 int i, len = mono_array_length (acopy);
2967 for (i = 0; i < len; i++) {
2968 MonoObject *item = mono_array_get (acopy, gpointer, i);
2969 mono_array_setref (acopy, i, mono_marshal_xdomain_copy_value (item));
2972 return (MonoObject *) acopy;
2976 if (mono_object_class (val) == mono_defaults.stringbuilder_class) {
2977 MonoStringBuilder *oldsb = (MonoStringBuilder *) val;
2978 MonoStringBuilder *newsb = (MonoStringBuilder *) mono_object_new (domain, mono_defaults.stringbuilder_class);
2979 MONO_OBJECT_SETREF (newsb, str, mono_string_new_utf16 (domain, mono_string_chars (oldsb->str), mono_string_length (oldsb->str)));
2980 newsb->length = oldsb->length;
2981 newsb->max_capacity = (gint32)0x7fffffff;
2982 return (MonoObject *) newsb;
2987 /* mono_marshal_xdomain_copy_out_value()
2988 * Copies the contents of the src instance into the dst instance. src and dst
2989 * must have the same type, and if they are arrays, the same size.
2992 mono_marshal_xdomain_copy_out_value (MonoObject *src, MonoObject *dst)
2994 if (src == NULL || dst == NULL) return;
2996 g_assert (mono_object_class (src) == mono_object_class (dst));
2998 switch (mono_object_class (src)->byval_arg.type) {
2999 case MONO_TYPE_ARRAY:
3000 case MONO_TYPE_SZARRAY: {
3001 int mt = mono_get_xdomain_marshal_type (&(mono_object_class (src)->element_class->byval_arg));
3002 if (mt == MONO_MARSHAL_SERIALIZE) return;
3003 if (mt == MONO_MARSHAL_COPY) {
3004 int i, len = mono_array_length ((MonoArray *)dst);
3005 for (i = 0; i < len; i++) {
3006 MonoObject *item = mono_array_get ((MonoArray *)src, gpointer, i);
3007 mono_array_setref ((MonoArray *)dst, i, mono_marshal_xdomain_copy_value (item));
3010 mono_array_full_copy ((MonoArray *)src, (MonoArray *)dst);
3016 if (mono_object_class (src) == mono_defaults.stringbuilder_class) {
3017 MonoStringBuilder *src_sb = (MonoStringBuilder *) src;
3018 MonoStringBuilder *dst_sb = (MonoStringBuilder *) dst;
3020 MONO_OBJECT_SETREF (dst_sb, str, mono_string_new_utf16 (mono_object_domain (dst), mono_string_chars (src_sb->str), mono_string_length (src_sb->str)));
3021 dst_sb->cached_str = NULL;
3022 dst_sb->length = src_sb->length;
3027 mono_marshal_emit_xdomain_copy_value (MonoMethodBuilder *mb, MonoClass *pclass)
3029 mono_mb_emit_icall (mb, mono_marshal_xdomain_copy_value);
3030 mono_mb_emit_op (mb, CEE_CASTCLASS, pclass);
3034 mono_marshal_emit_xdomain_copy_out_value (MonoMethodBuilder *mb, MonoClass *pclass)
3036 mono_mb_emit_icall (mb, mono_marshal_xdomain_copy_out_value);
3039 /* mono_marshal_supports_fast_xdomain()
3040 * Returns TRUE if the method can use the fast xdomain wrapper.
3043 mono_marshal_supports_fast_xdomain (MonoMethod *method)
3045 return !method->klass->contextbound &&
3046 !((method->flags & METHOD_ATTRIBUTE_SPECIAL_NAME) && (strcmp (".ctor", method->name) == 0));
3050 mono_marshal_set_domain_by_id (gint32 id, MonoBoolean push)
3052 MonoDomain *current_domain = mono_domain_get ();
3053 MonoDomain *domain = mono_domain_get_by_id (id);
3055 if (!domain || !mono_domain_set (domain, FALSE))
3056 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
3059 mono_thread_push_appdomain_ref (domain);
3061 mono_thread_pop_appdomain_ref ();
3063 return current_domain->domain_id;
3067 mono_marshal_emit_switch_domain (MonoMethodBuilder *mb)
3069 mono_mb_emit_icall (mb, mono_marshal_set_domain_by_id);
3072 /* mono_marshal_emit_load_domain_method ()
3073 * Loads into the stack a pointer to the code of the provided method for
3074 * the current domain.
3077 mono_marshal_emit_load_domain_method (MonoMethodBuilder *mb, MonoMethod *method)
3079 /* We need a pointer to the method for the running domain (not the domain
3080 * that compiles the method).
3082 mono_mb_emit_ptr (mb, method);
3083 mono_mb_emit_icall (mb, mono_compile_method);
3086 /* mono_marshal_check_domain_image ()
3087 * Returns TRUE if the image is loaded in the specified
3088 * application domain.
3091 mono_marshal_check_domain_image (gint32 domain_id, MonoImage *image)
3096 MonoDomain *domain = mono_domain_get_by_id (domain_id);
3100 mono_domain_assemblies_lock (domain);
3101 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
3103 if (ass->image == image)
3106 mono_domain_assemblies_unlock (domain);
3111 /* mono_marshal_get_xappdomain_dispatch ()
3112 * Generates a method that dispatches a method call from another domain into
3113 * the current domain.
3116 mono_marshal_get_xappdomain_dispatch (MonoMethod *method, int *marshal_types, int complex_count, int complex_out_count, int ret_marshal_type)
3118 MonoMethodSignature *sig, *csig;
3119 MonoMethodBuilder *mb;
3121 int i, j, param_index, copy_locals_base;
3122 MonoClass *ret_class = NULL;
3123 int loc_array=0, loc_return=0, loc_serialized_exc=0;
3124 MonoExceptionClause *main_clause;
3126 gboolean copy_return;
3128 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_XDOMAIN_DISPATCH)))
3131 sig = mono_method_signature (method);
3132 copy_return = (sig->ret->type != MONO_TYPE_VOID && ret_marshal_type != MONO_MARSHAL_SERIALIZE);
3135 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3 + sig->param_count - complex_count);
3136 csig->params [j++] = &mono_defaults.object_class->byval_arg;
3137 csig->params [j++] = &byte_array_class->this_arg;
3138 csig->params [j++] = &byte_array_class->this_arg;
3139 for (i = 0; i < sig->param_count; i++) {
3140 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE)
3141 csig->params [j++] = sig->params [i];
3144 csig->ret = sig->ret;
3146 csig->ret = &mono_defaults.void_class->byval_arg;
3148 csig->hasthis = FALSE;
3150 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_XDOMAIN_DISPATCH);
3151 mb->method->save_lmf = 1;
3155 loc_serialized_exc = mono_mb_add_local (mb, &byte_array_class->byval_arg);
3156 if (complex_count > 0)
3157 loc_array = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3158 if (sig->ret->type != MONO_TYPE_VOID) {
3159 loc_return = mono_mb_add_local (mb, sig->ret);
3160 ret_class = mono_class_from_mono_type (sig->ret);
3165 main_clause = mono_image_alloc0 (method->klass->image, sizeof (MonoExceptionClause));
3166 main_clause->try_offset = mono_mb_get_label (mb);
3168 /* Clean the call context */
3170 mono_mb_emit_byte (mb, CEE_LDNULL);
3171 mono_mb_emit_managed_call (mb, method_set_call_context, NULL);
3172 mono_mb_emit_byte (mb, CEE_POP);
3174 /* Deserialize call data */
3176 mono_mb_emit_ldarg (mb, 1);
3177 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3178 mono_mb_emit_byte (mb, CEE_DUP);
3179 pos = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
3181 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
3182 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
3184 if (complex_count > 0)
3185 mono_mb_emit_stloc (mb, loc_array);
3187 mono_mb_emit_byte (mb, CEE_POP);
3189 mono_mb_patch_short_branch (mb, pos);
3191 /* Get the target object */
3193 mono_mb_emit_ldarg (mb, 0);
3194 mono_mb_emit_managed_call (mb, method_rs_appdomain_target, NULL);
3196 /* Load the arguments */
3198 copy_locals_base = mb->locals;
3199 param_index = 3; // Index of the first non-serialized parameter of this wrapper
3201 for (i = 0; i < sig->param_count; i++) {
3202 MonoType *pt = sig->params [i];
3203 MonoClass *pclass = mono_class_from_mono_type (pt);
3204 switch (marshal_types [i]) {
3205 case MONO_MARSHAL_SERIALIZE: {
3206 /* take the value from the serialized array */
3207 mono_mb_emit_ldloc (mb, loc_array);
3208 mono_mb_emit_icon (mb, j++);
3210 if (pclass->valuetype) {
3211 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3212 mono_mb_emit_op (mb, CEE_UNBOX, pclass);
3214 mono_mb_emit_op (mb, CEE_LDELEMA, pclass);
3217 if (pclass->valuetype) {
3218 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3219 mono_mb_emit_op (mb, CEE_UNBOX, pclass);
3220 mono_mb_emit_op (mb, CEE_LDOBJ, pclass);
3222 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3223 if (pclass != mono_defaults.object_class) {
3224 mono_mb_emit_op (mb, CEE_CASTCLASS, pclass);
3230 case MONO_MARSHAL_COPY_OUT: {
3231 /* Keep a local copy of the value since we need to copy it back after the call */
3232 int copy_local = mono_mb_add_local (mb, &(pclass->byval_arg));
3233 mono_mb_emit_ldarg (mb, param_index++);
3234 mono_marshal_emit_xdomain_copy_value (mb, pclass);
3235 mono_mb_emit_byte (mb, CEE_DUP);
3236 mono_mb_emit_stloc (mb, copy_local);
3239 case MONO_MARSHAL_COPY: {
3240 mono_mb_emit_ldarg (mb, param_index);
3242 mono_mb_emit_byte (mb, CEE_DUP);
3243 mono_mb_emit_byte (mb, CEE_DUP);
3244 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3245 mono_marshal_emit_xdomain_copy_value (mb, pclass);
3246 mono_mb_emit_byte (mb, CEE_STIND_REF);
3248 mono_marshal_emit_xdomain_copy_value (mb, pclass);
3253 case MONO_MARSHAL_NONE:
3254 mono_mb_emit_ldarg (mb, param_index++);
3259 /* Make the call to the real object */
3261 emit_thread_force_interrupt_checkpoint (mb);
3263 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
3265 if (sig->ret->type != MONO_TYPE_VOID)
3266 mono_mb_emit_stloc (mb, loc_return);
3268 /* copy back MONO_MARSHAL_COPY_OUT parameters */
3272 for (i = 0; i < sig->param_count; i++) {
3273 if (marshal_types [i] == MONO_MARSHAL_SERIALIZE) continue;
3274 if (marshal_types [i] == MONO_MARSHAL_COPY_OUT) {
3275 mono_mb_emit_ldloc (mb, copy_locals_base + (j++));
3276 mono_mb_emit_ldarg (mb, param_index);
3277 mono_marshal_emit_xdomain_copy_out_value (mb, mono_class_from_mono_type (sig->params [i]));
3282 /* Serialize the return values */
3284 if (complex_out_count > 0) {
3285 /* Reset parameters in the array that don't need to be serialized back */
3287 for (i = 0; i < sig->param_count; i++) {
3288 if (marshal_types[i] != MONO_MARSHAL_SERIALIZE) continue;
3289 if (!sig->params [i]->byref) {
3290 mono_mb_emit_ldloc (mb, loc_array);
3291 mono_mb_emit_icon (mb, j);
3292 mono_mb_emit_byte (mb, CEE_LDNULL);
3293 mono_mb_emit_byte (mb, CEE_STELEM_REF);
3298 /* Add the return value to the array */
3300 if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
3301 mono_mb_emit_ldloc (mb, loc_array);
3302 mono_mb_emit_icon (mb, complex_count); /* The array has an additional slot to hold the ret value */
3303 mono_mb_emit_ldloc (mb, loc_return);
3305 g_assert (ret_class); /*FIXME properly fail here*/
3306 if (ret_class->valuetype) {
3307 mono_mb_emit_op (mb, CEE_BOX, ret_class);
3309 mono_mb_emit_byte (mb, CEE_STELEM_REF);
3314 mono_mb_emit_ldarg (mb, 1);
3315 mono_mb_emit_ldloc (mb, loc_array);
3316 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3317 mono_mb_emit_byte (mb, CEE_STIND_REF);
3318 } else if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
3319 mono_mb_emit_ldarg (mb, 1);
3320 mono_mb_emit_ldloc (mb, loc_return);
3321 if (ret_class->valuetype) {
3322 mono_mb_emit_op (mb, CEE_BOX, ret_class);
3324 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3325 mono_mb_emit_byte (mb, CEE_STIND_REF);
3327 mono_mb_emit_ldarg (mb, 1);
3328 mono_mb_emit_byte (mb, CEE_LDNULL);
3329 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3330 mono_mb_emit_byte (mb, CEE_STIND_REF);
3333 mono_mb_emit_ldarg (mb, 2);
3334 mono_mb_emit_byte (mb, CEE_LDNULL);
3335 mono_mb_emit_byte (mb, CEE_STIND_REF);
3336 pos_leave = mono_mb_emit_branch (mb, CEE_LEAVE);
3338 /* Main exception catch */
3339 main_clause->flags = MONO_EXCEPTION_CLAUSE_NONE;
3340 main_clause->try_len = mono_mb_get_pos (mb) - main_clause->try_offset;
3341 main_clause->data.catch_class = mono_defaults.object_class;
3344 main_clause->handler_offset = mono_mb_get_label (mb);
3345 mono_mb_emit_managed_call (mb, method_rs_serialize_exc, NULL);
3346 mono_mb_emit_stloc (mb, loc_serialized_exc);
3347 mono_mb_emit_ldarg (mb, 2);
3348 mono_mb_emit_ldloc (mb, loc_serialized_exc);
3349 mono_mb_emit_byte (mb, CEE_STIND_REF);
3350 mono_mb_emit_branch (mb, CEE_LEAVE);
3351 main_clause->handler_len = mono_mb_get_pos (mb) - main_clause->handler_offset;
3354 mono_mb_patch_branch (mb, pos_leave);
3357 mono_mb_emit_ldloc (mb, loc_return);
3359 mono_mb_emit_byte (mb, CEE_RET);
3361 mono_mb_set_clauses (mb, 1, main_clause);
3363 res = mono_remoting_mb_create_and_cache (method, mb, csig, csig->param_count + 16);
3369 /* mono_marshal_get_xappdomain_invoke ()
3370 * Generates a fast remoting wrapper for cross app domain calls.
3373 mono_marshal_get_xappdomain_invoke (MonoMethod *method)
3375 MonoMethodSignature *sig;
3376 MonoMethodBuilder *mb;
3378 int i, j, complex_count, complex_out_count, copy_locals_base;
3380 MonoClass *ret_class = NULL;
3381 MonoMethod *xdomain_method;
3382 int ret_marshal_type = MONO_MARSHAL_NONE;
3383 int loc_array=0, loc_serialized_data=-1, loc_real_proxy;
3384 int loc_old_domainid, loc_domainid, loc_return=0, loc_serialized_exc=0, loc_context;
3385 int pos, pos_dispatch, pos_noex;
3386 gboolean copy_return = FALSE;
3390 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE || method->wrapper_type == MONO_WRAPPER_XDOMAIN_INVOKE)
3393 /* we cant remote methods without this pointer */
3394 if (!mono_method_signature (method)->hasthis)
3397 if (!mono_marshal_supports_fast_xdomain (method))
3398 return mono_marshal_get_remoting_invoke (method);
3400 mono_remoting_marshal_init ();
3402 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_XDOMAIN_INVOKE)))
3405 sig = mono_signature_no_pinvoke (method);
3407 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_XDOMAIN_INVOKE);
3408 mb->method->save_lmf = 1;
3410 /* Count the number of parameters that need to be serialized */
3412 marshal_types = alloca (sizeof (int) * sig->param_count);
3413 complex_count = complex_out_count = 0;
3414 for (i = 0; i < sig->param_count; i++) {
3415 MonoType *ptype = sig->params[i];
3416 int mt = mono_get_xdomain_marshal_type (ptype);
3418 /* If the [Out] attribute is applied to a parameter that can be internally copied,
3419 * the copy will be made by reusing the original object instance
3421 if ((ptype->attrs & PARAM_ATTRIBUTE_OUT) != 0 && mt == MONO_MARSHAL_COPY && !ptype->byref)
3422 mt = MONO_MARSHAL_COPY_OUT;
3423 else if (mt == MONO_MARSHAL_SERIALIZE) {
3425 if (ptype->byref) complex_out_count++;
3427 marshal_types [i] = mt;
3430 if (sig->ret->type != MONO_TYPE_VOID) {
3431 ret_marshal_type = mono_get_xdomain_marshal_type (sig->ret);
3432 ret_class = mono_class_from_mono_type (sig->ret);
3433 copy_return = ret_marshal_type != MONO_MARSHAL_SERIALIZE;
3438 if (complex_count > 0)
3439 loc_array = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3440 loc_serialized_data = mono_mb_add_local (mb, &byte_array_class->byval_arg);
3441 loc_real_proxy = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3443 loc_return = mono_mb_add_local (mb, sig->ret);
3444 loc_old_domainid = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
3445 loc_domainid = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
3446 loc_serialized_exc = mono_mb_add_local (mb, &byte_array_class->byval_arg);
3447 loc_context = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3449 /* Save thread domain data */
3451 mono_mb_emit_icall (mb, mono_context_get);
3452 mono_mb_emit_byte (mb, CEE_DUP);
3453 mono_mb_emit_stloc (mb, loc_context);
3455 /* If the thread is not running in the default context, it needs to go
3456 * through the whole remoting sink, since the context is going to change
3458 mono_mb_emit_managed_call (mb, method_needs_context_sink, NULL);
3459 pos = mono_mb_emit_short_branch (mb, CEE_BRTRUE_S);
3461 /* Another case in which the fast path can't be used: when the target domain
3462 * has a different image for the same assembly.
3465 /* Get the target domain id */
3467 mono_mb_emit_ldarg (mb, 0);
3468 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
3469 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3470 mono_mb_emit_byte (mb, CEE_DUP);
3471 mono_mb_emit_stloc (mb, loc_real_proxy);
3473 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoRealProxy, target_domain_id));
3474 mono_mb_emit_byte (mb, CEE_LDIND_I4);
3475 mono_mb_emit_stloc (mb, loc_domainid);
3477 /* Check if the target domain has the same image for the required assembly */
3479 mono_mb_emit_ldloc (mb, loc_domainid);
3480 mono_mb_emit_ptr (mb, method->klass->image);
3481 mono_mb_emit_icall (mb, mono_marshal_check_domain_image);
3482 pos_dispatch = mono_mb_emit_short_branch (mb, CEE_BRTRUE_S);
3484 /* Use the whole remoting sink to dispatch this message */
3486 mono_mb_patch_short_branch (mb, pos);
3488 mono_mb_emit_ldarg (mb, 0);
3489 for (i = 0; i < sig->param_count; i++)
3490 mono_mb_emit_ldarg (mb, i + 1);
3492 mono_mb_emit_managed_call (mb, mono_marshal_get_remoting_invoke (method), NULL);
3493 mono_mb_emit_byte (mb, CEE_RET);
3494 mono_mb_patch_short_branch (mb, pos_dispatch);
3496 /* Create the array that will hold the parameters to be serialized */
3498 if (complex_count > 0) {
3499 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 */
3500 mono_mb_emit_op (mb, CEE_NEWARR, mono_defaults.object_class);
3503 for (i = 0; i < sig->param_count; i++) {
3505 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE) continue;
3506 pclass = mono_class_from_mono_type (sig->params[i]);
3507 mono_mb_emit_byte (mb, CEE_DUP);
3508 mono_mb_emit_icon (mb, j);
3509 mono_mb_emit_ldarg (mb, i + 1); /* 0=this */
3510 if (sig->params[i]->byref) {
3511 if (pclass->valuetype)
3512 mono_mb_emit_op (mb, CEE_LDOBJ, pclass);
3514 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3516 if (pclass->valuetype)
3517 mono_mb_emit_op (mb, CEE_BOX, pclass);
3518 mono_mb_emit_byte (mb, CEE_STELEM_REF);
3521 mono_mb_emit_stloc (mb, loc_array);
3523 /* Serialize parameters */
3525 mono_mb_emit_ldloc (mb, loc_array);
3526 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3527 mono_mb_emit_stloc (mb, loc_serialized_data);
3529 mono_mb_emit_byte (mb, CEE_LDNULL);
3530 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3531 mono_mb_emit_stloc (mb, loc_serialized_data);
3536 mono_mb_emit_ldloc (mb, loc_domainid);
3537 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
3538 mono_marshal_emit_switch_domain (mb);
3539 mono_mb_emit_stloc (mb, loc_old_domainid);
3541 /* Load the arguments */
3543 mono_mb_emit_ldloc (mb, loc_real_proxy);
3544 mono_mb_emit_ldloc_addr (mb, loc_serialized_data);
3545 mono_mb_emit_ldloc_addr (mb, loc_serialized_exc);
3547 copy_locals_base = mb->locals;
3548 for (i = 0; i < sig->param_count; i++) {
3549 switch (marshal_types [i]) {
3550 case MONO_MARSHAL_SERIALIZE:
3552 case MONO_MARSHAL_COPY: {
3553 mono_mb_emit_ldarg (mb, i+1);
3554 if (sig->params [i]->byref) {
3555 /* make a local copy of the byref parameter. The real parameter
3556 * will be updated after the xdomain call
3558 MonoClass *pclass = mono_class_from_mono_type (sig->params [i]);
3559 int copy_local = mono_mb_add_local (mb, &(pclass->byval_arg));
3560 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3561 mono_mb_emit_stloc (mb, copy_local);
3562 mono_mb_emit_ldloc_addr (mb, copy_local);
3566 case MONO_MARSHAL_COPY_OUT:
3567 case MONO_MARSHAL_NONE:
3568 mono_mb_emit_ldarg (mb, i+1);
3573 /* Make the call to the invoke wrapper in the target domain */
3575 xdomain_method = mono_marshal_get_xappdomain_dispatch (method, marshal_types, complex_count, complex_out_count, ret_marshal_type);
3576 mono_marshal_emit_load_domain_method (mb, xdomain_method);
3577 mono_mb_emit_calli (mb, mono_method_signature (xdomain_method));
3580 mono_mb_emit_stloc (mb, loc_return);
3584 mono_mb_emit_ldloc (mb, loc_old_domainid);
3585 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
3586 mono_marshal_emit_switch_domain (mb);
3587 mono_mb_emit_byte (mb, CEE_POP);
3589 /* Restore thread domain data */
3591 mono_mb_emit_ldloc (mb, loc_context);
3592 mono_mb_emit_icall (mb, mono_context_set);
3594 /* if (loc_serialized_exc != null) ... */
3596 mono_mb_emit_ldloc (mb, loc_serialized_exc);
3597 pos_noex = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
3599 mono_mb_emit_ldloc (mb, loc_serialized_exc);
3600 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
3601 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
3602 mono_mb_emit_op (mb, CEE_CASTCLASS, mono_defaults.exception_class);
3603 mono_mb_emit_managed_call (mb, method_exc_fixexc, NULL);
3604 mono_mb_emit_byte (mb, CEE_THROW);
3605 mono_mb_patch_short_branch (mb, pos_noex);
3607 /* copy back non-serialized output parameters */
3610 for (i = 0; i < sig->param_count; i++) {
3611 if (!sig->params [i]->byref || marshal_types [i] != MONO_MARSHAL_COPY) continue;
3612 mono_mb_emit_ldarg (mb, i + 1);
3613 mono_mb_emit_ldloc (mb, copy_locals_base + (j++));
3614 mono_marshal_emit_xdomain_copy_value (mb, mono_class_from_mono_type (sig->params [i]));
3615 mono_mb_emit_byte (mb, CEE_STIND_REF);
3618 /* Deserialize out parameters */
3620 if (complex_out_count > 0) {
3621 mono_mb_emit_ldloc (mb, loc_serialized_data);
3622 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
3623 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
3624 mono_mb_emit_stloc (mb, loc_array);
3626 /* Copy back output parameters and return type */
3629 for (i = 0; i < sig->param_count; i++) {
3630 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE) continue;
3631 if (sig->params[i]->byref) {
3632 MonoClass *pclass = mono_class_from_mono_type (sig->params [i]);
3633 mono_mb_emit_ldarg (mb, i + 1);
3634 mono_mb_emit_ldloc (mb, loc_array);
3635 mono_mb_emit_icon (mb, j);
3636 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3637 if (pclass->valuetype) {
3638 mono_mb_emit_op (mb, CEE_UNBOX, pclass);
3639 mono_mb_emit_op (mb, CEE_LDOBJ, pclass);
3640 mono_mb_emit_op (mb, CEE_STOBJ, pclass);
3642 if (pclass != mono_defaults.object_class)
3643 mono_mb_emit_op (mb, CEE_CASTCLASS, pclass);
3644 mono_mb_emit_byte (mb, CEE_STIND_REF);
3650 if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
3651 mono_mb_emit_ldloc (mb, loc_array);
3652 mono_mb_emit_icon (mb, complex_count);
3653 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3654 if (ret_class->valuetype) {
3655 mono_mb_emit_op (mb, CEE_UNBOX, ret_class);
3656 mono_mb_emit_op (mb, CEE_LDOBJ, ret_class);
3659 } else if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
3660 mono_mb_emit_ldloc (mb, loc_serialized_data);
3661 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
3662 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
3663 if (ret_class->valuetype) {
3664 mono_mb_emit_op (mb, CEE_UNBOX, ret_class);
3665 mono_mb_emit_op (mb, CEE_LDOBJ, ret_class);
3666 } else if (ret_class != mono_defaults.object_class) {
3667 mono_mb_emit_op (mb, CEE_CASTCLASS, ret_class);
3670 mono_mb_emit_ldloc (mb, loc_serialized_data);
3671 mono_mb_emit_byte (mb, CEE_DUP);
3672 pos = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
3673 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
3675 mono_mb_patch_short_branch (mb, pos);
3676 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
3677 mono_mb_emit_byte (mb, CEE_POP);
3681 mono_mb_emit_ldloc (mb, loc_return);
3682 if (ret_marshal_type == MONO_MARSHAL_COPY)
3683 mono_marshal_emit_xdomain_copy_value (mb, ret_class);
3686 mono_mb_emit_byte (mb, CEE_RET);
3688 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16);
3695 mono_marshal_get_remoting_invoke_for_target (MonoMethod *method, MonoRemotingTarget target_type)
3697 if (target_type == MONO_REMOTING_TARGET_APPDOMAIN) {
3698 return mono_marshal_get_xappdomain_invoke (method);
3699 } else if (target_type == MONO_REMOTING_TARGET_COMINTEROP) {
3701 return mono_cominterop_get_invoke (method);
3703 g_assert_not_reached ();
3706 return mono_marshal_get_remoting_invoke (method);
3712 G_GNUC_UNUSED static gpointer
3713 mono_marshal_load_remoting_wrapper (MonoRealProxy *rp, MonoMethod *method)
3715 if (rp->target_domain_id != -1)
3716 return mono_compile_method (mono_marshal_get_xappdomain_invoke (method));
3718 return mono_compile_method (mono_marshal_get_remoting_invoke (method));
3722 mono_marshal_get_remoting_invoke_with_check (MonoMethod *method)
3724 MonoMethodSignature *sig;
3725 MonoMethodBuilder *mb;
3726 MonoMethod *res, *native;
3727 int i, pos, pos_rem;
3731 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK)
3734 /* we cant remote methods without this pointer */
3735 g_assert (mono_method_signature (method)->hasthis);
3737 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK)))
3740 sig = mono_signature_no_pinvoke (method);
3742 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK);
3744 for (i = 0; i <= sig->param_count; i++)
3745 mono_mb_emit_ldarg (mb, i);
3747 mono_mb_emit_ldarg (mb, 0);
3748 pos = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
3750 if (mono_marshal_supports_fast_xdomain (method)) {
3751 mono_mb_emit_ldarg (mb, 0);
3752 pos_rem = mono_mb_emit_xdomain_check (mb, CEE_BEQ);
3754 /* wrapper for cross app domain calls */
3755 native = mono_marshal_get_xappdomain_invoke (method);
3756 mono_mb_emit_managed_call (mb, native, mono_method_signature (native));
3757 mono_mb_emit_byte (mb, CEE_RET);
3759 mono_mb_patch_branch (mb, pos_rem);
3761 /* wrapper for normal remote calls */
3762 native = mono_marshal_get_remoting_invoke (method);
3763 mono_mb_emit_managed_call (mb, native, mono_method_signature (native));
3764 mono_mb_emit_byte (mb, CEE_RET);
3767 mono_mb_patch_branch (mb, pos);
3768 mono_mb_emit_managed_call (mb, method, mono_method_signature (method));
3769 mono_mb_emit_byte (mb, CEE_RET);
3771 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16);
3779 MonoMethodSignature *sig;
3781 } SignatureMethodPair;
3784 signature_method_pair_hash (gconstpointer data)
3786 SignatureMethodPair *pair = (SignatureMethodPair*)data;
3788 return mono_signature_hash (pair->sig) ^ mono_aligned_addr_hash (pair->method);
3792 signature_method_pair_equal (SignatureMethodPair *pair1, SignatureMethodPair *pair2)
3794 return mono_metadata_signature_equal (pair1->sig, pair2->sig) && (pair1->method == pair2->method);
3798 signature_method_pair_matches_method (gpointer key, gpointer value, gpointer user_data)
3800 SignatureMethodPair *pair = (SignatureMethodPair*)key;
3801 MonoMethod *method = (MonoMethod*)user_data;
3803 return pair->method == method;
3807 free_signature_method_pair (SignatureMethodPair *pair)
3813 * the returned method invokes all methods in a multicast delegate.
3816 mono_marshal_get_delegate_invoke (MonoMethod *method, MonoDelegate *del)
3818 MonoMethodSignature *sig, *static_sig, *invoke_sig;
3820 MonoMethodBuilder *mb;
3821 MonoMethod *res, *newm;
3823 SignatureMethodPair key;
3824 SignatureMethodPair *new_key;
3825 int local_prev, local_target;
3828 MonoMethod *target_method = NULL;
3829 MonoClass *target_class = NULL;
3830 gboolean callvirt = FALSE;
3831 gboolean closed_over_null = FALSE;
3832 gboolean static_method_with_first_arg_bound = FALSE;
3835 * If the delegate target is null, and the target method is not static, a virtual
3836 * call is made to that method with the first delegate argument as this. This is
3837 * a non-documented .NET feature.
3839 if (del && !del->target && del->method && mono_method_signature (del->method)->hasthis) {
3841 target_method = del->method;
3842 if (target_method->is_inflated) {
3843 MonoType *target_type;
3845 g_assert (method->signature->hasthis);
3846 target_type = mono_class_inflate_generic_type (method->signature->params [0],
3847 mono_method_get_context (method));
3848 target_class = mono_class_from_mono_type (target_type);
3850 target_class = del->method->klass;
3854 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
3855 !strcmp (method->name, "Invoke"));
3857 invoke_sig = sig = mono_signature_no_pinvoke (method);
3860 closed_over_null = sig->param_count == mono_method_signature (del->method)->param_count;
3862 if (del && del->method && mono_method_signature (del->method)->param_count == sig->param_count + 1 && (del->method->flags & METHOD_ATTRIBUTE_STATIC)) {
3863 invoke_sig = mono_method_signature (del->method);
3864 target_method = del->method;
3865 static_method_with_first_arg_bound = TRUE;
3868 if (callvirt || static_method_with_first_arg_bound) {
3869 GHashTable **cache_ptr;
3870 if (static_method_with_first_arg_bound)
3871 cache_ptr = &method->klass->image->delegate_bound_static_invoke_cache;
3873 cache_ptr = &method->klass->image->delegate_abstract_invoke_cache;
3875 /* We need to cache the signature+method pair */
3876 mono_marshal_lock ();
3878 *cache_ptr = g_hash_table_new_full (signature_method_pair_hash, (GEqualFunc)signature_method_pair_equal, (GDestroyNotify)free_signature_method_pair, NULL);
3880 key.sig = invoke_sig;
3881 key.method = target_method;
3882 res = g_hash_table_lookup (cache, &key);
3883 mono_marshal_unlock ();
3887 cache = get_cache (&method->klass->image->delegate_invoke_cache,
3888 (GHashFunc)mono_signature_hash,
3889 (GCompareFunc)mono_metadata_signature_equal);
3890 if ((res = mono_marshal_find_in_cache (cache, sig)))
3894 static_sig = signature_dup (method->klass->image, sig);
3895 static_sig->hasthis = 0;
3896 if (!static_method_with_first_arg_bound)
3897 invoke_sig = static_sig;
3899 name = mono_signature_to_name (sig, "invoke");
3900 mb = mono_mb_new (get_wrapper_target_class (method->klass->image), name, MONO_WRAPPER_DELEGATE_INVOKE);
3903 /* allocate local 0 (object) */
3904 local_target = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3905 local_prev = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3907 g_assert (sig->hasthis);
3911 * prev.Invoke( args .. );
3912 * return this.<target>( args .. );
3915 /* this wrapper can be used in unmanaged-managed transitions */
3916 emit_thread_interrupt_checkpoint (mb);
3918 /* get this->prev */
3919 mono_mb_emit_ldarg (mb, 0);
3920 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoMulticastDelegate, prev));
3921 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3922 mono_mb_emit_stloc (mb, local_prev);
3923 mono_mb_emit_ldloc (mb, local_prev);
3925 /* if prev != null */
3926 pos0 = mono_mb_emit_branch (mb, CEE_BRFALSE);
3930 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3931 mono_mb_emit_byte (mb, CEE_MONO_NOT_TAKEN);
3933 mono_mb_emit_ldloc (mb, local_prev);
3934 for (i = 0; i < sig->param_count; i++)
3935 mono_mb_emit_ldarg (mb, i + 1);
3936 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
3937 if (sig->ret->type != MONO_TYPE_VOID)
3938 mono_mb_emit_byte (mb, CEE_POP);
3940 /* continued or prev == null */
3941 mono_mb_patch_branch (mb, pos0);
3943 /* get this->target */
3944 mono_mb_emit_ldarg (mb, 0);
3945 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, target));
3946 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3947 mono_mb_emit_stloc (mb, local_target);
3949 /*static methods with bound first arg can have null target and still be bound*/
3950 if (!static_method_with_first_arg_bound) {
3951 /* if target != null */
3952 mono_mb_emit_ldloc (mb, local_target);
3953 pos0 = mono_mb_emit_branch (mb, CEE_BRFALSE);
3955 /* then call this->method_ptr nonstatic */
3958 mono_mb_emit_exception_full (mb, "System", "NotImplementedException", "");
3960 mono_mb_emit_ldloc (mb, local_target);
3961 for (i = 0; i < sig->param_count; ++i)
3962 mono_mb_emit_ldarg (mb, i + 1);
3963 mono_mb_emit_ldarg (mb, 0);
3964 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, method_ptr));
3965 mono_mb_emit_byte (mb, CEE_LDIND_I );
3966 mono_mb_emit_op (mb, CEE_CALLI, sig);
3968 mono_mb_emit_byte (mb, CEE_RET);
3971 /* else [target == null] call this->method_ptr static */
3972 mono_mb_patch_branch (mb, pos0);
3976 if (!closed_over_null) {
3977 mono_mb_emit_ldarg (mb, 1);
3978 mono_mb_emit_op (mb, CEE_CASTCLASS, target_class);
3979 for (i = 1; i < sig->param_count; ++i)
3980 mono_mb_emit_ldarg (mb, i + 1);
3981 mono_mb_emit_op (mb, CEE_CALLVIRT, target_method);
3983 mono_mb_emit_byte (mb, CEE_LDNULL);
3984 for (i = 0; i < sig->param_count; ++i)
3985 mono_mb_emit_ldarg (mb, i + 1);
3986 mono_mb_emit_op (mb, CEE_CALL, target_method);
3989 if (static_method_with_first_arg_bound) {
3990 mono_mb_emit_ldloc (mb, local_target);
3991 if (!MONO_TYPE_IS_REFERENCE (invoke_sig->params[0]))
3992 mono_mb_emit_op (mb, CEE_UNBOX_ANY, mono_class_from_mono_type (invoke_sig->params[0]));
3994 for (i = 0; i < sig->param_count; ++i)
3995 mono_mb_emit_ldarg (mb, i + 1);
3996 mono_mb_emit_ldarg (mb, 0);
3997 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, method_ptr));
3998 mono_mb_emit_byte (mb, CEE_LDIND_I );
3999 mono_mb_emit_op (mb, CEE_CALLI, invoke_sig);
4002 mono_mb_emit_byte (mb, CEE_RET);
4004 if (static_method_with_first_arg_bound || callvirt) {
4005 // From mono_mb_create_and_cache
4006 mb->skip_visibility = 1;
4007 newm = mono_mb_create_method (mb, sig, sig->param_count + 16);
4008 /*We perform double checked locking, so must fence before publishing*/
4009 mono_memory_barrier ();
4010 mono_marshal_lock ();
4011 res = g_hash_table_lookup (cache, &key);
4014 new_key = g_new0 (SignatureMethodPair, 1);
4016 g_hash_table_insert (cache, new_key, res);
4017 mono_marshal_set_wrapper_info (res, new_key);
4018 mono_marshal_unlock ();
4020 mono_marshal_unlock ();
4021 mono_free_method (newm);
4024 mb->skip_visibility = 1;
4025 res = mono_mb_create_and_cache (cache, sig, mb, sig, sig->param_count + 16);
4033 * signature_dup_add_this:
4035 * Make a copy of @sig, adding an explicit this argument.
4037 static MonoMethodSignature*
4038 signature_dup_add_this (MonoMethodSignature *sig, MonoClass *klass)
4040 MonoMethodSignature *res;
4043 res = mono_metadata_signature_alloc (klass->image, sig->param_count + 1);
4044 memcpy (res, sig, MONO_SIZEOF_METHOD_SIGNATURE);
4045 res->param_count = sig->param_count + 1;
4046 res->hasthis = FALSE;
4047 for (i = sig->param_count - 1; i >= 0; i --)
4048 res->params [i + 1] = sig->params [i];
4049 res->params [0] = klass->valuetype ? &klass->this_arg : &klass->byval_arg;
4055 MonoMethodSignature *ctor_sig;
4056 MonoMethodSignature *sig;
4059 /* protected by the marshal lock, contains CtorSigPair pointers */
4060 static GSList *strsig_list = NULL;
4062 static MonoMethodSignature *
4063 lookup_string_ctor_signature (MonoMethodSignature *sig)
4065 MonoMethodSignature *callsig;
4069 mono_marshal_lock ();
4071 for (item = strsig_list; item; item = item->next) {
4073 /* mono_metadata_signature_equal () is safe to call with the marshal lock
4074 * because it is lock-free.
4076 if (mono_metadata_signature_equal (sig, cs->ctor_sig)) {
4081 mono_marshal_unlock ();
4085 static MonoMethodSignature *
4086 add_string_ctor_signature (MonoMethod *method)
4088 MonoMethodSignature *callsig;
4091 callsig = signature_dup (method->klass->image, mono_method_signature (method));
4092 callsig->ret = &mono_defaults.string_class->byval_arg;
4093 cs = g_new (CtorSigPair, 1);
4095 cs->ctor_sig = mono_method_signature (method);
4097 mono_marshal_lock ();
4098 strsig_list = g_slist_prepend (strsig_list, cs);
4099 mono_marshal_unlock ();
4104 * mono_marshal_get_string_ctor_signature:
4106 * Return the modified signature used by string ctors (they return the newly created
4109 MonoMethodSignature*
4110 mono_marshal_get_string_ctor_signature (MonoMethod *method)
4112 MonoMethodSignature *sig = lookup_string_ctor_signature (mono_method_signature (method));
4114 sig = add_string_ctor_signature (method);
4120 get_runtime_invoke_type (MonoType *t, gboolean ret)
4123 /* Can't share this with 'I' as that needs another indirection */
4126 if (MONO_TYPE_IS_REFERENCE (t))
4127 return &mono_defaults.object_class->byval_arg;
4130 /* The result needs to be boxed */
4136 return &mono_defaults.sbyte_class->byval_arg;
4138 return &mono_defaults.int16_class->byval_arg;
4140 return &mono_defaults.int32_class->byval_arg;
4142 return &mono_defaults.int64_class->byval_arg;
4143 case MONO_TYPE_BOOLEAN:
4144 return &mono_defaults.sbyte_class->byval_arg;
4145 case MONO_TYPE_CHAR:
4146 return &mono_defaults.int16_class->byval_arg;
4149 return &mono_defaults.int_class->byval_arg;
4150 case MONO_TYPE_VALUETYPE:
4151 if (t->data.klass->enumtype) {
4152 t = mono_class_enum_basetype (t->data.klass);
4162 * mono_marshal_get_runtime_invoke_sig:
4164 * Return a common signature used for sharing runtime invoke wrappers.
4166 static MonoMethodSignature*
4167 mono_marshal_get_runtime_invoke_sig (MonoMethodSignature *sig)
4169 MonoMethodSignature *res = mono_metadata_signature_dup (sig);
4172 res->ret = get_runtime_invoke_type (sig->ret, TRUE);
4173 for (i = 0; i < res->param_count; ++i)
4174 res->params [i] = get_runtime_invoke_type (sig->params [i], FALSE);
4180 runtime_invoke_signature_equal (MonoMethodSignature *sig1, MonoMethodSignature *sig2)
4182 /* Can't share wrappers which return a vtype since it needs to be boxed */
4183 if (sig1->ret != sig2->ret && !(MONO_TYPE_IS_REFERENCE (sig1->ret) && MONO_TYPE_IS_REFERENCE (sig2->ret)) && !mono_metadata_type_equal (sig1->ret, sig2->ret))
4186 return mono_metadata_signature_equal (sig1, sig2);
4192 * Emit the call to the wrapper method from a runtime invoke wrapper.
4195 emit_invoke_call (MonoMethodBuilder *mb, MonoMethod *method,
4196 MonoMethodSignature *sig, MonoMethodSignature *callsig,
4198 gboolean virtual, gboolean need_direct_wrapper)
4200 static MonoString *string_dummy = NULL;
4202 int *tmp_nullable_locals;
4203 gboolean void_ret = FALSE;
4205 /* to make it work with our special string constructors */
4206 if (!string_dummy) {
4207 MONO_GC_REGISTER_ROOT_SINGLE (string_dummy);
4208 string_dummy = mono_string_new_wrapper ("dummy");
4212 g_assert (sig->hasthis);
4213 g_assert (method->flags & METHOD_ATTRIBUTE_VIRTUAL);
4217 if (method->string_ctor) {
4218 mono_mb_emit_ptr (mb, string_dummy);
4220 mono_mb_emit_ldarg (mb, 0);
4224 tmp_nullable_locals = g_new0 (int, sig->param_count);
4226 for (i = 0; i < sig->param_count; i++) {
4227 MonoType *t = sig->params [i];
4230 mono_mb_emit_ldarg (mb, 1);
4232 mono_mb_emit_icon (mb, sizeof (gpointer) * i);
4233 mono_mb_emit_byte (mb, CEE_ADD);
4237 mono_mb_emit_byte (mb, CEE_LDIND_I);
4238 /* A Nullable<T> type don't have a boxed form, it's either null or a boxed T.
4239 * So to make this work we unbox it to a local variablee and push a reference to that.
4241 if (t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t))) {
4242 tmp_nullable_locals [i] = mono_mb_add_local (mb, &mono_class_from_mono_type (t)->byval_arg);
4244 mono_mb_emit_op (mb, CEE_UNBOX_ANY, mono_class_from_mono_type (t));
4245 mono_mb_emit_stloc (mb, tmp_nullable_locals [i]);
4246 mono_mb_emit_ldloc_addr (mb, tmp_nullable_locals [i]);
4251 /*FIXME 'this doesn't handle generic enums. Shouldn't we?*/
4252 type = sig->params [i]->type;
4256 case MONO_TYPE_BOOLEAN:
4260 case MONO_TYPE_CHAR:
4269 mono_mb_emit_byte (mb, CEE_LDIND_I);
4270 mono_mb_emit_byte (mb, mono_type_to_ldind (sig->params [i]));
4272 case MONO_TYPE_STRING:
4273 case MONO_TYPE_CLASS:
4274 case MONO_TYPE_ARRAY:
4276 case MONO_TYPE_SZARRAY:
4277 case MONO_TYPE_OBJECT:
4278 mono_mb_emit_byte (mb, mono_type_to_ldind (sig->params [i]));
4280 case MONO_TYPE_GENERICINST:
4281 if (!mono_type_generic_inst_is_valuetype (sig->params [i])) {
4282 mono_mb_emit_byte (mb, mono_type_to_ldind (sig->params [i]));
4287 case MONO_TYPE_VALUETYPE:
4288 if (type == MONO_TYPE_VALUETYPE && t->data.klass->enumtype) {
4289 type = mono_class_enum_basetype (t->data.klass)->type;
4292 mono_mb_emit_byte (mb, CEE_LDIND_I);
4293 if (mono_class_is_nullable (mono_class_from_mono_type (sig->params [i]))) {
4294 /* Need to convert a boxed vtype to an mp to a Nullable struct */
4295 mono_mb_emit_op (mb, CEE_UNBOX, mono_class_from_mono_type (sig->params [i]));
4296 mono_mb_emit_op (mb, CEE_LDOBJ, mono_class_from_mono_type (sig->params [i]));
4298 mono_mb_emit_op (mb, CEE_LDOBJ, mono_class_from_mono_type (sig->params [i]));
4302 g_assert_not_reached ();
4307 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
4308 } else if (need_direct_wrapper) {
4309 mono_mb_emit_op (mb, CEE_CALL, method);
4311 mono_mb_emit_ldarg (mb, 3);
4312 mono_mb_emit_calli (mb, callsig);
4315 if (sig->ret->byref) {
4317 g_assert_not_reached ();
4320 switch (sig->ret->type) {
4321 case MONO_TYPE_VOID:
4322 if (!method->string_ctor)
4325 case MONO_TYPE_BOOLEAN:
4326 case MONO_TYPE_CHAR:
4339 case MONO_TYPE_VALUETYPE:
4340 case MONO_TYPE_TYPEDBYREF:
4341 case MONO_TYPE_GENERICINST:
4342 /* box value types */
4343 mono_mb_emit_op (mb, CEE_BOX, mono_class_from_mono_type (sig->ret));
4345 case MONO_TYPE_STRING:
4346 case MONO_TYPE_CLASS:
4347 case MONO_TYPE_ARRAY:
4348 case MONO_TYPE_SZARRAY:
4349 case MONO_TYPE_OBJECT:
4353 /* The result is an IntPtr */
4354 mono_mb_emit_op (mb, CEE_BOX, mono_defaults.int_class);
4357 g_assert_not_reached ();
4361 mono_mb_emit_stloc (mb, loc_res);
4363 /* Convert back nullable-byref arguments */
4364 for (i = 0; i < sig->param_count; i++) {
4365 MonoType *t = sig->params [i];
4368 * Box the result and put it back into the array, the caller will have
4369 * to obtain it from there.
4371 if (t->byref && t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t))) {
4372 mono_mb_emit_ldarg (mb, 1);
4373 mono_mb_emit_icon (mb, sizeof (gpointer) * i);
4374 mono_mb_emit_byte (mb, CEE_ADD);
4376 mono_mb_emit_ldloc (mb, tmp_nullable_locals [i]);
4377 mono_mb_emit_op (mb, CEE_BOX, mono_class_from_mono_type (t));
4379 mono_mb_emit_byte (mb, CEE_STIND_REF);
4383 g_free (tmp_nullable_locals);
4387 emit_runtime_invoke_body (MonoMethodBuilder *mb, MonoClass *target_klass, MonoMethod *method,
4388 MonoMethodSignature *sig, MonoMethodSignature *callsig,
4389 gboolean virtual, gboolean need_direct_wrapper)
4392 MonoExceptionClause *clause;
4393 int loc_res, loc_exc;
4395 /* The wrapper looks like this:
4401 * } catch (Exception e) {
4409 /* allocate local 0 (object) tmp */
4410 loc_res = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4411 /* allocate local 1 (object) exc */
4412 loc_exc = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4414 /* *exc is assumed to be initialized to NULL by the caller */
4416 mono_mb_emit_byte (mb, CEE_LDARG_2);
4417 labels [0] = mono_mb_emit_branch (mb, CEE_BRFALSE);
4422 labels [1] = mono_mb_get_label (mb);
4423 emit_thread_force_interrupt_checkpoint (mb);
4424 emit_invoke_call (mb, method, sig, callsig, loc_res, virtual, need_direct_wrapper);
4426 labels [2] = mono_mb_emit_branch (mb, CEE_LEAVE);
4428 /* Add a try clause around the call */
4429 clause = mono_image_alloc0 (target_klass->image, sizeof (MonoExceptionClause));
4430 clause->flags = MONO_EXCEPTION_CLAUSE_NONE;
4431 clause->data.catch_class = mono_defaults.exception_class;
4432 clause->try_offset = labels [1];
4433 clause->try_len = mono_mb_get_label (mb) - labels [1];
4435 clause->handler_offset = mono_mb_get_label (mb);
4438 mono_mb_emit_stloc (mb, loc_exc);
4439 mono_mb_emit_byte (mb, CEE_LDARG_2);
4440 mono_mb_emit_ldloc (mb, loc_exc);
4441 mono_mb_emit_byte (mb, CEE_STIND_REF);
4443 mono_mb_emit_branch (mb, CEE_LEAVE);
4445 clause->handler_len = mono_mb_get_pos (mb) - clause->handler_offset;
4447 mono_mb_set_clauses (mb, 1, clause);
4449 mono_mb_patch_branch (mb, labels [2]);
4450 mono_mb_emit_ldloc (mb, loc_res);
4451 mono_mb_emit_byte (mb, CEE_RET);
4456 mono_mb_patch_branch (mb, labels [0]);
4457 emit_thread_force_interrupt_checkpoint (mb);
4458 emit_invoke_call (mb, method, sig, callsig, loc_res, virtual, need_direct_wrapper);
4460 mono_mb_emit_ldloc (mb, 0);
4461 mono_mb_emit_byte (mb, CEE_RET);
4465 * generates IL code for the runtime invoke function
4466 * MonoObject *runtime_invoke (MonoObject *this, void **params, MonoObject **exc, void* method)
4468 * we also catch exceptions if exc != null
4469 * If VIRTUAL is TRUE, then METHOD is invoked virtually on THIS. This is useful since
4470 * it means that the compiled code for METHOD does not have to be looked up
4471 * before calling the runtime invoke wrapper. In this case, the wrapper ignores
4472 * its METHOD argument.
4475 mono_marshal_get_runtime_invoke (MonoMethod *method, gboolean virtual)
4477 MonoMethodSignature *sig, *csig, *callsig;
4478 MonoMethodBuilder *mb;
4479 GHashTable *cache = NULL;
4480 MonoClass *target_klass;
4481 MonoMethod *res = NULL;
4482 static MonoMethodSignature *cctor_signature = NULL;
4483 static MonoMethodSignature *finalize_signature = NULL;
4485 gboolean need_direct_wrapper = FALSE;
4489 if (!cctor_signature) {
4490 cctor_signature = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
4491 cctor_signature->ret = &mono_defaults.void_class->byval_arg;
4493 if (!finalize_signature) {
4494 finalize_signature = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
4495 finalize_signature->ret = &mono_defaults.void_class->byval_arg;
4496 finalize_signature->hasthis = 1;
4500 need_direct_wrapper = TRUE;
4503 * Use a separate cache indexed by methods to speed things up and to avoid the
4504 * boundless mempool growth caused by the signature_dup stuff below.
4507 cache = get_cache (&method->klass->image->runtime_invoke_vcall_cache, mono_aligned_addr_hash, NULL);
4509 cache = get_cache (&method->klass->image->runtime_invoke_direct_cache, mono_aligned_addr_hash, NULL);
4510 res = mono_marshal_find_in_cache (cache, method);
4514 if (method->klass->rank && (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
4515 (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)) {
4517 * Array Get/Set/Address methods. The JIT implements them using inline code
4518 * so we need to create an invoke wrapper which calls the method directly.
4520 need_direct_wrapper = TRUE;
4523 if (method->string_ctor) {
4524 callsig = lookup_string_ctor_signature (mono_method_signature (method));
4526 callsig = add_string_ctor_signature (method);
4527 /* Can't share this as we push a string as this */
4528 need_direct_wrapper = TRUE;
4530 if (method->klass->valuetype && mono_method_signature (method)->hasthis) {
4532 * Valuetype methods receive a managed pointer as the this argument.
4533 * Create a new signature to reflect this.
4535 callsig = signature_dup_add_this (mono_method_signature (method), method->klass);
4536 /* Can't share this as it would be shared with static methods taking an IntPtr argument */
4537 need_direct_wrapper = TRUE;
4539 if (method->dynamic)
4540 callsig = signature_dup (method->klass->image, mono_method_signature (method));
4542 callsig = mono_method_signature (method);
4546 target_klass = get_wrapper_target_class (method->klass->image);
4548 /* Try to share wrappers for non-corlib methods with simple signatures */
4549 if (mono_metadata_signature_equal (callsig, cctor_signature)) {
4550 callsig = cctor_signature;
4551 target_klass = mono_defaults.object_class;
4552 } else if (mono_metadata_signature_equal (callsig, finalize_signature)) {
4553 callsig = finalize_signature;
4554 target_klass = mono_defaults.object_class;
4557 if (need_direct_wrapper) {
4558 /* Already searched at the start */
4560 MonoMethodSignature *tmp_sig;
4562 callsig = mono_marshal_get_runtime_invoke_sig (callsig);
4564 cache = get_cache (&target_klass->image->runtime_invoke_cache,
4565 (GHashFunc)mono_signature_hash,
4566 (GCompareFunc)runtime_invoke_signature_equal);
4568 /* from mono_marshal_find_in_cache */
4569 mono_marshal_lock ();
4570 res = g_hash_table_lookup (cache, callsig);
4571 mono_marshal_unlock ();
4578 /* Make a copy of the signature from the image mempool */
4580 callsig = mono_metadata_signature_dup_full (target_klass->image, callsig);
4584 sig = mono_method_signature (method);
4586 csig = mono_metadata_signature_alloc (target_klass->image, 4);
4588 csig->ret = &mono_defaults.object_class->byval_arg;
4589 if (method->klass->valuetype && mono_method_signature (method)->hasthis)
4590 csig->params [0] = callsig->params [0];
4592 csig->params [0] = &mono_defaults.object_class->byval_arg;
4593 csig->params [1] = &mono_defaults.int_class->byval_arg;
4594 csig->params [2] = &mono_defaults.int_class->byval_arg;
4595 csig->params [3] = &mono_defaults.int_class->byval_arg;
4598 name = mono_signature_to_name (callsig, virtual ? "runtime_invoke_virtual" : "runtime_invoke");
4599 mb = mono_mb_new (target_klass, name, MONO_WRAPPER_RUNTIME_INVOKE);
4602 emit_runtime_invoke_body (mb, target_klass, method, sig, callsig, virtual, need_direct_wrapper);
4604 if (need_direct_wrapper) {
4605 mb->skip_visibility = 1;
4606 res = mono_mb_create_and_cache (cache, method, mb, csig, sig->param_count + 16);
4608 /* taken from mono_mb_create_and_cache */
4609 mono_marshal_lock ();
4610 res = g_hash_table_lookup (cache, callsig);
4611 mono_marshal_unlock ();
4613 /* Somebody may have created it before us */
4616 newm = mono_mb_create_method (mb, csig, sig->param_count + 16);
4618 mono_marshal_lock ();
4619 res = g_hash_table_lookup (cache, callsig);
4622 g_hash_table_insert (cache, callsig, res);
4623 /* Can't insert it into wrapper_hash since the key is a signature */
4624 g_hash_table_insert (method->klass->image->runtime_invoke_direct_cache, method, res);
4626 mono_free_method (newm);
4628 mono_marshal_unlock ();
4631 /* end mono_mb_create_and_cache */
4640 * mono_marshal_get_runtime_invoke_dynamic:
4642 * Return a method which can be used to invoke managed methods from native code
4644 * The signature of the returned method is given by RuntimeInvokeDynamicFunction:
4645 * void runtime_invoke (void *args, MonoObject **exc, void *compiled_method)
4646 * ARGS should point to an architecture specific structure containing
4647 * the arguments and space for the return value.
4648 * The other arguments are the same as for runtime_invoke (), except that
4649 * ARGS should contain the this argument too.
4650 * This wrapper serves the same purpose as the runtime-invoke wrappers, but there
4651 * is only one copy of it, which is useful in full-aot.
4654 mono_marshal_get_runtime_invoke_dynamic (void)
4656 static MonoMethod *method;
4657 MonoMethodSignature *csig;
4658 MonoExceptionClause *clause;
4659 MonoMethodBuilder *mb;
4666 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
4668 csig->ret = &mono_defaults.void_class->byval_arg;
4669 csig->params [0] = &mono_defaults.int_class->byval_arg;
4670 csig->params [1] = &mono_defaults.int_class->byval_arg;
4671 csig->params [2] = &mono_defaults.int_class->byval_arg;
4672 csig->params [3] = &mono_defaults.int_class->byval_arg;
4674 name = g_strdup ("runtime_invoke_dynamic");
4675 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_RUNTIME_INVOKE);
4678 /* allocate local 0 (object) tmp */
4679 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4680 /* allocate local 1 (object) exc */
4681 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4683 /* cond set *exc to null */
4684 mono_mb_emit_byte (mb, CEE_LDARG_1);
4685 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
4686 mono_mb_emit_byte (mb, 3);
4687 mono_mb_emit_byte (mb, CEE_LDARG_1);
4688 mono_mb_emit_byte (mb, CEE_LDNULL);
4689 mono_mb_emit_byte (mb, CEE_STIND_REF);
4691 emit_thread_force_interrupt_checkpoint (mb);
4693 mono_mb_emit_byte (mb, CEE_LDARG_0);
4694 mono_mb_emit_byte (mb, CEE_LDARG_2);
4695 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4696 mono_mb_emit_byte (mb, CEE_MONO_DYN_CALL);
4698 pos = mono_mb_emit_branch (mb, CEE_LEAVE);
4700 clause = mono_image_alloc0 (mono_defaults.corlib, sizeof (MonoExceptionClause));
4701 clause->flags = MONO_EXCEPTION_CLAUSE_FILTER;
4702 clause->try_len = mono_mb_get_label (mb);
4705 clause->data.filter_offset = mono_mb_get_label (mb);
4707 mono_mb_emit_byte (mb, CEE_POP);
4708 mono_mb_emit_byte (mb, CEE_LDARG_1);
4709 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
4710 mono_mb_emit_byte (mb, CEE_PREFIX1);
4711 mono_mb_emit_byte (mb, CEE_CGT_UN);
4712 mono_mb_emit_byte (mb, CEE_PREFIX1);
4713 mono_mb_emit_byte (mb, CEE_ENDFILTER);
4715 clause->handler_offset = mono_mb_get_label (mb);
4718 /* store exception */
4719 mono_mb_emit_stloc (mb, 1);
4721 mono_mb_emit_byte (mb, CEE_LDARG_1);
4722 mono_mb_emit_ldloc (mb, 1);
4723 mono_mb_emit_byte (mb, CEE_STIND_REF);
4725 mono_mb_emit_byte (mb, CEE_LDNULL);
4726 mono_mb_emit_stloc (mb, 0);
4728 /* Check for the abort exception */
4729 mono_mb_emit_ldloc (mb, 1);
4730 mono_mb_emit_op (mb, CEE_ISINST, mono_defaults.threadabortexception_class);
4731 posna = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
4733 /* Delay the abort exception */
4734 mono_mb_emit_icall (mb, ves_icall_System_Threading_Thread_ResetAbort);
4736 mono_mb_patch_short_branch (mb, posna);
4737 mono_mb_emit_branch (mb, CEE_LEAVE);
4739 clause->handler_len = mono_mb_get_pos (mb) - clause->handler_offset;
4741 mono_mb_set_clauses (mb, 1, clause);
4744 mono_mb_patch_branch (mb, pos);
4745 //mono_mb_emit_ldloc (mb, 0);
4746 mono_mb_emit_byte (mb, CEE_RET);
4748 mono_loader_lock ();
4749 /* double-checked locking */
4751 method = mono_mb_create_method (mb, csig, 16);
4753 mono_loader_unlock ();
4761 mono_mb_emit_auto_layout_exception (MonoMethodBuilder *mb, MonoClass *klass)
4763 char *msg = g_strdup_printf ("The type `%s.%s' layout needs to be Sequential or Explicit",
4764 klass->name_space, klass->name);
4766 mono_mb_emit_exception_marshal_directive (mb, msg);
4770 * mono_marshal_get_ldfld_remote_wrapper:
4771 * @klass: The return type
4773 * This method generates a wrapper for calling mono_load_remote_field_new.
4774 * The return type is ignored for now, as mono_load_remote_field_new () always
4775 * returns an object. In the future, to optimize some codepaths, we might
4776 * call a different function that takes a pointer to a valuetype, instead.
4779 mono_marshal_get_ldfld_remote_wrapper (MonoClass *klass)
4781 MonoMethodSignature *sig, *csig;
4782 MonoMethodBuilder *mb;
4784 static MonoMethod* cached = NULL;
4786 mono_marshal_lock ();
4788 mono_marshal_unlock ();
4791 mono_marshal_unlock ();
4793 mb = mono_mb_new_no_dup_name (mono_defaults.object_class, "__mono_load_remote_field_new_wrapper", MONO_WRAPPER_LDFLD_REMOTE);
4795 mb->method->save_lmf = 1;
4797 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
4798 sig->params [0] = &mono_defaults.object_class->byval_arg;
4799 sig->params [1] = &mono_defaults.int_class->byval_arg;
4800 sig->params [2] = &mono_defaults.int_class->byval_arg;
4801 sig->ret = &mono_defaults.object_class->byval_arg;
4803 mono_mb_emit_ldarg (mb, 0);
4804 mono_mb_emit_ldarg (mb, 1);
4805 mono_mb_emit_ldarg (mb, 2);
4807 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
4808 csig->params [0] = &mono_defaults.object_class->byval_arg;
4809 csig->params [1] = &mono_defaults.int_class->byval_arg;
4810 csig->params [2] = &mono_defaults.int_class->byval_arg;
4811 csig->ret = &mono_defaults.object_class->byval_arg;
4814 mono_mb_emit_native_call (mb, csig, mono_load_remote_field_new);
4815 emit_thread_interrupt_checkpoint (mb);
4817 mono_mb_emit_byte (mb, CEE_RET);
4819 mono_marshal_lock ();
4821 mono_marshal_unlock ();
4824 newm = mono_mb_create_method (mb, sig, 4);
4825 mono_marshal_lock ();
4830 mono_marshal_unlock ();
4832 mono_marshal_unlock ();
4833 mono_free_method (newm);
4842 * mono_marshal_get_ldfld_wrapper:
4843 * @type: the type of the field
4845 * This method generates a function which can be use to load a field with type
4846 * @type from an object. The generated function has the following signature:
4847 * <@type> ldfld_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset)
4850 mono_marshal_get_ldfld_wrapper (MonoType *type)
4852 MonoMethodSignature *sig;
4853 MonoMethodBuilder *mb;
4858 int t, pos0, pos1 = 0;
4860 type = mono_type_get_underlying_type (type);
4865 if (type->type == MONO_TYPE_SZARRAY) {
4866 klass = mono_defaults.array_class;
4867 } else if (type->type == MONO_TYPE_VALUETYPE) {
4868 klass = type->data.klass;
4869 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING) {
4870 klass = mono_defaults.object_class;
4871 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
4872 klass = mono_defaults.int_class;
4873 } else if (t == MONO_TYPE_GENERICINST) {
4874 if (mono_type_generic_inst_is_valuetype (type))
4875 klass = mono_class_from_mono_type (type);
4877 klass = mono_defaults.object_class;
4879 klass = mono_class_from_mono_type (type);
4882 klass = mono_defaults.int_class;
4885 cache = get_cache (&klass->image->ldfld_wrapper_cache, mono_aligned_addr_hash, NULL);
4886 if ((res = mono_marshal_find_in_cache (cache, klass)))
4889 /* we add the %p pointer value of klass because class names are not unique */
4890 name = g_strdup_printf ("__ldfld_wrapper_%p_%s.%s", klass, klass->name_space, klass->name);
4891 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_LDFLD);
4894 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
4895 sig->params [0] = &mono_defaults.object_class->byval_arg;
4896 sig->params [1] = &mono_defaults.int_class->byval_arg;
4897 sig->params [2] = &mono_defaults.int_class->byval_arg;
4898 sig->params [3] = &mono_defaults.int_class->byval_arg;
4899 sig->ret = &klass->byval_arg;
4901 mono_mb_emit_ldarg (mb, 0);
4902 pos0 = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
4904 mono_mb_emit_ldarg (mb, 0);
4905 mono_mb_emit_ldarg (mb, 1);
4906 mono_mb_emit_ldarg (mb, 2);
4908 mono_mb_emit_managed_call (mb, mono_marshal_get_ldfld_remote_wrapper (klass), NULL);
4911 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
4912 csig->params [0] = &mono_defaults.object_class->byval_arg;
4913 csig->params [1] = &mono_defaults.int_class->byval_arg;
4914 csig->params [2] = &mono_defaults.int_class->byval_arg;
4915 csig->ret = &klass->this_arg;
4918 mono_mb_emit_native_call (mb, csig, mono_load_remote_field_new);
4919 emit_thread_interrupt_checkpoint (mb);
4922 if (klass->valuetype) {
4923 mono_mb_emit_op (mb, CEE_UNBOX, klass);
4924 pos1 = mono_mb_emit_branch (mb, CEE_BR);
4926 mono_mb_emit_byte (mb, CEE_RET);
4930 mono_mb_patch_branch (mb, pos0);
4932 mono_mb_emit_ldarg (mb, 0);
4933 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4934 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
4935 mono_mb_emit_ldarg (mb, 3);
4936 mono_mb_emit_byte (mb, CEE_ADD);
4938 if (klass->valuetype)
4939 mono_mb_patch_branch (mb, pos1);
4944 case MONO_TYPE_BOOLEAN:
4945 case MONO_TYPE_CHAR:
4954 case MONO_TYPE_ARRAY:
4955 case MONO_TYPE_SZARRAY:
4956 case MONO_TYPE_OBJECT:
4957 case MONO_TYPE_CLASS:
4958 case MONO_TYPE_STRING:
4962 case MONO_TYPE_FNPTR:
4963 mono_mb_emit_byte (mb, mono_type_to_ldind (type));
4965 case MONO_TYPE_VALUETYPE:
4966 g_assert (!klass->enumtype);
4967 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
4969 case MONO_TYPE_GENERICINST:
4970 if (mono_type_generic_inst_is_valuetype (type)) {
4971 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
4973 mono_mb_emit_byte (mb, CEE_LDIND_REF);
4977 g_warning ("type %x not implemented", type->type);
4978 g_assert_not_reached ();
4981 mono_mb_emit_byte (mb, CEE_RET);
4983 res = mono_mb_create_and_cache (cache, klass,
4984 mb, sig, sig->param_count + 16);
4991 * mono_marshal_get_ldflda_wrapper:
4992 * @type: the type of the field
4994 * This method generates a function which can be used to load a field address
4995 * from an object. The generated function has the following signature:
4996 * gpointer ldflda_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset);
4999 mono_marshal_get_ldflda_wrapper (MonoType *type)
5001 MonoMethodSignature *sig;
5002 MonoMethodBuilder *mb;
5007 int t, pos0, pos1, pos2, pos3;
5009 type = mono_type_get_underlying_type (type);
5013 if (type->type == MONO_TYPE_SZARRAY) {
5014 klass = mono_defaults.array_class;
5015 } else if (type->type == MONO_TYPE_VALUETYPE) {
5016 klass = type->data.klass;
5017 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING ||
5018 t == MONO_TYPE_CLASS) {
5019 klass = mono_defaults.object_class;
5020 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
5021 klass = mono_defaults.int_class;
5022 } else if (t == MONO_TYPE_GENERICINST) {
5023 if (mono_type_generic_inst_is_valuetype (type))
5024 klass = mono_class_from_mono_type (type);
5026 klass = mono_defaults.object_class;
5028 klass = mono_class_from_mono_type (type);
5031 klass = mono_defaults.int_class;
5034 cache = get_cache (&klass->image->ldflda_wrapper_cache, mono_aligned_addr_hash, NULL);
5035 if ((res = mono_marshal_find_in_cache (cache, klass)))
5038 /* we add the %p pointer value of klass because class names are not unique */
5039 name = g_strdup_printf ("__ldflda_wrapper_%p_%s.%s", klass, klass->name_space, klass->name);
5040 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_LDFLDA);
5043 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
5044 sig->params [0] = &mono_defaults.object_class->byval_arg;
5045 sig->params [1] = &mono_defaults.int_class->byval_arg;
5046 sig->params [2] = &mono_defaults.int_class->byval_arg;
5047 sig->params [3] = &mono_defaults.int_class->byval_arg;
5048 sig->ret = &mono_defaults.int_class->byval_arg;
5050 /* if typeof (this) != transparent_proxy goto pos0 */
5051 mono_mb_emit_ldarg (mb, 0);
5052 pos0 = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
5054 /* if same_appdomain goto pos1 */
5055 mono_mb_emit_ldarg (mb, 0);
5056 pos1 = mono_mb_emit_xdomain_check (mb, CEE_BEQ);
5058 mono_mb_emit_exception_full (mb, "System", "InvalidOperationException", "Attempt to load field address from object in another appdomain.");
5060 /* same app domain */
5061 mono_mb_patch_branch (mb, pos1);
5063 /* if typeof (this) != contextbound goto pos2 */
5064 mono_mb_emit_ldarg (mb, 0);
5065 pos2 = mono_mb_emit_contextbound_check (mb, CEE_BEQ);
5067 /* if this->rp->context == mono_context_get goto pos3 */
5068 mono_mb_emit_ldarg (mb, 0);
5069 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
5070 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5071 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoRealProxy, context));
5072 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5073 mono_mb_emit_icall (mb, mono_context_get);
5074 pos3 = mono_mb_emit_branch (mb, CEE_BEQ);
5076 mono_mb_emit_exception_full (mb, "System", "InvalidOperationException", "Attempt to load field address from object in another context.");
5078 mono_mb_patch_branch (mb, pos2);
5079 mono_mb_patch_branch (mb, pos3);
5081 /* return the address of the field from this->rp->unwrapped_server */
5082 mono_mb_emit_ldarg (mb, 0);
5083 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
5084 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5085 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoRealProxy, unwrapped_server));
5086 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5087 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5088 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
5089 mono_mb_emit_ldarg (mb, 3);
5090 mono_mb_emit_byte (mb, CEE_ADD);
5091 mono_mb_emit_byte (mb, CEE_RET);
5093 /* not a proxy: return the address of the field directly */
5094 mono_mb_patch_branch (mb, pos0);
5096 mono_mb_emit_ldarg (mb, 0);
5097 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5098 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
5099 mono_mb_emit_ldarg (mb, 3);
5100 mono_mb_emit_byte (mb, CEE_ADD);
5102 mono_mb_emit_byte (mb, CEE_RET);
5104 res = mono_mb_create_and_cache (cache, klass,
5105 mb, sig, sig->param_count + 16);
5112 * mono_marshal_get_stfld_remote_wrapper:
5113 * klass: The type of the field
5115 * This function generates a wrapper for calling mono_store_remote_field_new
5116 * with the appropriate signature.
5117 * Similarly to mono_marshal_get_ldfld_remote_wrapper () this doesn't depend on the
5118 * klass argument anymore.
5121 mono_marshal_get_stfld_remote_wrapper (MonoClass *klass)
5123 MonoMethodSignature *sig, *csig;
5124 MonoMethodBuilder *mb;
5126 static MonoMethod *cached = NULL;
5128 mono_marshal_lock ();
5130 mono_marshal_unlock ();
5133 mono_marshal_unlock ();
5135 mb = mono_mb_new_no_dup_name (mono_defaults.object_class, "__mono_store_remote_field_new_wrapper", MONO_WRAPPER_STFLD_REMOTE);
5137 mb->method->save_lmf = 1;
5139 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
5140 sig->params [0] = &mono_defaults.object_class->byval_arg;
5141 sig->params [1] = &mono_defaults.int_class->byval_arg;
5142 sig->params [2] = &mono_defaults.int_class->byval_arg;
5143 sig->params [3] = &mono_defaults.object_class->byval_arg;
5144 sig->ret = &mono_defaults.void_class->byval_arg;
5146 mono_mb_emit_ldarg (mb, 0);
5147 mono_mb_emit_ldarg (mb, 1);
5148 mono_mb_emit_ldarg (mb, 2);
5149 mono_mb_emit_ldarg (mb, 3);
5151 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
5152 csig->params [0] = &mono_defaults.object_class->byval_arg;
5153 csig->params [1] = &mono_defaults.int_class->byval_arg;
5154 csig->params [2] = &mono_defaults.int_class->byval_arg;
5155 csig->params [3] = &mono_defaults.object_class->byval_arg;
5156 csig->ret = &mono_defaults.void_class->byval_arg;
5159 mono_mb_emit_native_call (mb, csig, mono_store_remote_field_new);
5160 emit_thread_interrupt_checkpoint (mb);
5162 mono_mb_emit_byte (mb, CEE_RET);
5164 mono_marshal_lock ();
5166 mono_marshal_unlock ();
5169 newm = mono_mb_create_method (mb, sig, 6);
5170 mono_marshal_lock ();
5175 mono_marshal_unlock ();
5177 mono_marshal_unlock ();
5178 mono_free_method (newm);
5187 * mono_marshal_get_stfld_wrapper:
5188 * @type: the type of the field
5190 * This method generates a function which can be use to store a field with type
5191 * @type. The generated function has the following signature:
5192 * void stfld_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset, <@type> val)
5195 mono_marshal_get_stfld_wrapper (MonoType *type)
5197 MonoMethodSignature *sig;
5198 MonoMethodBuilder *mb;
5205 type = mono_type_get_underlying_type (type);
5209 if (type->type == MONO_TYPE_SZARRAY) {
5210 klass = mono_defaults.array_class;
5211 } else if (type->type == MONO_TYPE_VALUETYPE) {
5212 klass = type->data.klass;
5213 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING) {
5214 klass = mono_defaults.object_class;
5215 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
5216 klass = mono_defaults.int_class;
5217 } else if (t == MONO_TYPE_GENERICINST) {
5218 if (mono_type_generic_inst_is_valuetype (type))
5219 klass = mono_class_from_mono_type (type);
5221 klass = mono_defaults.object_class;
5223 klass = mono_class_from_mono_type (type);
5226 klass = mono_defaults.int_class;
5229 cache = get_cache (&klass->image->stfld_wrapper_cache, mono_aligned_addr_hash, NULL);
5230 if ((res = mono_marshal_find_in_cache (cache, klass)))
5233 /* we add the %p pointer value of klass because class names are not unique */
5234 name = g_strdup_printf ("__stfld_wrapper_%p_%s.%s", klass, klass->name_space, klass->name);
5235 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_STFLD);
5238 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 5);
5239 sig->params [0] = &mono_defaults.object_class->byval_arg;
5240 sig->params [1] = &mono_defaults.int_class->byval_arg;
5241 sig->params [2] = &mono_defaults.int_class->byval_arg;
5242 sig->params [3] = &mono_defaults.int_class->byval_arg;
5243 sig->params [4] = &klass->byval_arg;
5244 sig->ret = &mono_defaults.void_class->byval_arg;
5246 mono_mb_emit_ldarg (mb, 0);
5247 pos = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
5249 mono_mb_emit_ldarg (mb, 0);
5250 mono_mb_emit_ldarg (mb, 1);
5251 mono_mb_emit_ldarg (mb, 2);
5252 mono_mb_emit_ldarg (mb, 4);
5253 if (klass->valuetype)
5254 mono_mb_emit_op (mb, CEE_BOX, klass);
5256 mono_mb_emit_managed_call (mb, mono_marshal_get_stfld_remote_wrapper (klass), NULL);
5258 mono_mb_emit_byte (mb, CEE_RET);
5260 mono_mb_patch_branch (mb, pos);
5262 mono_mb_emit_ldarg (mb, 0);
5263 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5264 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
5265 mono_mb_emit_ldarg (mb, 3);
5266 mono_mb_emit_byte (mb, CEE_ADD);
5267 mono_mb_emit_ldarg (mb, 4);
5272 case MONO_TYPE_BOOLEAN:
5273 case MONO_TYPE_CHAR:
5282 case MONO_TYPE_ARRAY:
5283 case MONO_TYPE_SZARRAY:
5284 case MONO_TYPE_OBJECT:
5285 case MONO_TYPE_CLASS:
5286 case MONO_TYPE_STRING:
5290 case MONO_TYPE_FNPTR:
5291 mono_mb_emit_byte (mb, mono_type_to_stind (type));
5293 case MONO_TYPE_VALUETYPE:
5294 g_assert (!klass->enumtype);
5295 mono_mb_emit_op (mb, CEE_STOBJ, klass);
5297 case MONO_TYPE_GENERICINST:
5298 mono_mb_emit_op (mb, CEE_STOBJ, klass);
5301 g_warning ("type %x not implemented", type->type);
5302 g_assert_not_reached ();
5305 mono_mb_emit_byte (mb, CEE_RET);
5307 res = mono_mb_create_and_cache (cache, klass,
5308 mb, sig, sig->param_count + 16);
5315 * generates IL code for the icall wrapper (the generated method
5316 * calls the unmanaged code in func)
5319 mono_marshal_get_icall_wrapper (MonoMethodSignature *sig, const char *name, gconstpointer func, gboolean check_exceptions)
5321 MonoMethodSignature *csig, *csig2;
5322 MonoMethodBuilder *mb;
5326 g_assert (sig->pinvoke);
5328 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_MANAGED_TO_NATIVE);
5330 mb->method->save_lmf = 1;
5332 /* Add an explicit this argument */
5334 csig2 = signature_dup_add_this (sig, mono_defaults.object_class);
5336 csig2 = signature_dup (mono_defaults.corlib, sig);
5339 mono_mb_emit_byte (mb, CEE_LDARG_0);
5341 for (i = 0; i < sig->param_count; i++)
5342 mono_mb_emit_ldarg (mb, i + sig->hasthis);
5344 mono_mb_emit_native_call (mb, csig2, (gpointer) func);
5345 if (check_exceptions)
5346 emit_thread_interrupt_checkpoint (mb);
5347 mono_mb_emit_byte (mb, CEE_RET);
5349 csig = signature_dup (mono_defaults.corlib, sig);
5351 if (csig->call_convention == MONO_CALL_VARARG)
5352 csig->call_convention = 0;
5354 res = mono_mb_create_method (mb, csig, csig->param_count + 16);
5361 emit_marshal_custom (EmitMarshalContext *m, int argnum, MonoType *t,
5362 MonoMarshalSpec *spec,
5363 int conv_arg, MonoType **conv_arg_type,
5364 MarshalAction action)
5368 static MonoClass *ICustomMarshaler = NULL;
5369 static MonoMethod *cleanup_native, *cleanup_managed;
5370 static MonoMethod *marshal_managed_to_native, *marshal_native_to_managed;
5371 MonoMethod *get_instance;
5372 MonoMethodBuilder *mb = m->mb;
5373 char *exception_msg = NULL;
5377 if (!ICustomMarshaler) {
5378 ICustomMarshaler = mono_class_from_name (mono_defaults.corlib, "System.Runtime.InteropServices", "ICustomMarshaler");
5379 g_assert (ICustomMarshaler);
5381 cleanup_native = mono_class_get_method_from_name (ICustomMarshaler, "CleanUpNativeData", 1);
5382 g_assert (cleanup_native);
5383 cleanup_managed = mono_class_get_method_from_name (ICustomMarshaler, "CleanUpManagedData", 1);
5384 g_assert (cleanup_managed);
5385 marshal_managed_to_native = mono_class_get_method_from_name (ICustomMarshaler, "MarshalManagedToNative", 1);
5386 g_assert (marshal_managed_to_native);
5387 marshal_native_to_managed = mono_class_get_method_from_name (ICustomMarshaler, "MarshalNativeToManaged", 1);
5388 g_assert (marshal_native_to_managed);
5391 mtype = mono_reflection_type_from_name (spec->data.custom_data.custom_name, m->image);
5392 g_assert (mtype != NULL);
5393 mklass = mono_class_from_mono_type (mtype);
5394 g_assert (mklass != NULL);
5396 if (!mono_class_is_assignable_from (ICustomMarshaler, mklass))
5397 exception_msg = g_strdup_printf ("Custom marshaler '%s' does not implement the ICustomMarshaler interface.", mklass->name);
5399 get_instance = mono_class_get_method_from_name_flags (mklass, "GetInstance", 1, METHOD_ATTRIBUTE_STATIC);
5401 MonoMethodSignature *get_sig = mono_method_signature (get_instance);
5402 if ((get_sig->ret->type != MONO_TYPE_CLASS) ||
5403 (mono_class_from_mono_type (get_sig->ret) != ICustomMarshaler) ||
5404 (get_sig->params [0]->type != MONO_TYPE_STRING))
5405 get_instance = NULL;
5409 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);
5411 /* Throw exception and emit compensation code if neccesary */
5412 if (exception_msg) {
5414 case MARSHAL_ACTION_CONV_IN:
5415 case MARSHAL_ACTION_CONV_RESULT:
5416 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
5417 if ((action == MARSHAL_ACTION_CONV_RESULT) || (action == MARSHAL_ACTION_MANAGED_CONV_RESULT))
5418 mono_mb_emit_byte (mb, CEE_POP);
5420 mono_mb_emit_exception_full (mb, "System", "ApplicationException", exception_msg);
5421 g_free (exception_msg);
5424 case MARSHAL_ACTION_PUSH:
5425 mono_mb_emit_byte (mb, CEE_LDNULL);
5433 /* FIXME: MS.NET seems to create one instance for each klass + cookie pair */
5434 /* FIXME: MS.NET throws an exception if GetInstance returns null */
5437 case MARSHAL_ACTION_CONV_IN:
5439 case MONO_TYPE_CLASS:
5440 case MONO_TYPE_OBJECT:
5441 case MONO_TYPE_STRING:
5442 case MONO_TYPE_ARRAY:
5443 case MONO_TYPE_SZARRAY:
5444 case MONO_TYPE_VALUETYPE:
5448 g_warning ("custom marshalling of type %x is currently not supported", t->type);
5449 g_assert_not_reached ();
5453 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5455 mono_mb_emit_byte (mb, CEE_LDNULL);
5456 mono_mb_emit_stloc (mb, conv_arg);
5458 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT))
5461 /* Minic MS.NET behavior */
5462 if (!t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT) && !(t->attrs & PARAM_ATTRIBUTE_IN))
5465 /* Check for null */
5466 mono_mb_emit_ldarg (mb, argnum);
5468 mono_mb_emit_byte (mb, CEE_LDIND_I);
5469 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5471 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5473 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5475 mono_mb_emit_ldarg (mb, argnum);
5477 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5479 if (t->type == MONO_TYPE_VALUETYPE) {
5481 * Since we can't determine the type of the argument, we
5482 * will assume the unmanaged function takes a pointer.
5484 *conv_arg_type = &mono_defaults.int_class->byval_arg;
5486 mono_mb_emit_op (mb, CEE_BOX, mono_class_from_mono_type (t));
5489 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_managed_to_native);
5490 mono_mb_emit_stloc (mb, conv_arg);
5492 mono_mb_patch_branch (mb, pos2);
5495 case MARSHAL_ACTION_CONV_OUT:
5496 /* Check for null */
5497 mono_mb_emit_ldloc (mb, conv_arg);
5498 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5501 mono_mb_emit_ldarg (mb, argnum);
5503 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5505 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5507 mono_mb_emit_ldloc (mb, conv_arg);
5508 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
5509 mono_mb_emit_byte (mb, CEE_STIND_REF);
5510 } else if (t->attrs & PARAM_ATTRIBUTE_OUT) {
5511 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5513 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5515 mono_mb_emit_ldloc (mb, conv_arg);
5516 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
5518 /* We have nowhere to store the result */
5519 mono_mb_emit_byte (mb, CEE_POP);
5522 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5524 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5526 mono_mb_emit_ldloc (mb, conv_arg);
5528 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_native);
5530 mono_mb_patch_branch (mb, pos2);
5533 case MARSHAL_ACTION_PUSH:
5535 mono_mb_emit_ldloc_addr (mb, conv_arg);
5537 mono_mb_emit_ldloc (mb, conv_arg);
5540 case MARSHAL_ACTION_CONV_RESULT:
5541 loc1 = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5543 mono_mb_emit_stloc (mb, 3);
5545 mono_mb_emit_ldloc (mb, 3);
5546 mono_mb_emit_stloc (mb, loc1);
5548 /* Check for null */
5549 mono_mb_emit_ldloc (mb, 3);
5550 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5552 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5554 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5555 mono_mb_emit_byte (mb, CEE_DUP);
5557 mono_mb_emit_ldloc (mb, 3);
5558 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
5559 mono_mb_emit_stloc (mb, 3);
5561 mono_mb_emit_ldloc (mb, loc1);
5562 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_native);
5564 mono_mb_patch_branch (mb, pos2);
5567 case MARSHAL_ACTION_MANAGED_CONV_IN:
5568 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
5570 mono_mb_emit_byte (mb, CEE_LDNULL);
5571 mono_mb_emit_stloc (mb, conv_arg);
5573 if (t->byref && t->attrs & PARAM_ATTRIBUTE_OUT)
5576 /* Check for null */
5577 mono_mb_emit_ldarg (mb, argnum);
5579 mono_mb_emit_byte (mb, CEE_LDIND_I);
5580 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5582 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5583 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5585 mono_mb_emit_ldarg (mb, argnum);
5587 mono_mb_emit_byte (mb, CEE_LDIND_I);
5589 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
5590 mono_mb_emit_stloc (mb, conv_arg);
5592 mono_mb_patch_branch (mb, pos2);
5595 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
5596 g_assert (!t->byref);
5598 loc1 = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
5600 mono_mb_emit_stloc (mb, 3);
5602 mono_mb_emit_ldloc (mb, 3);
5603 mono_mb_emit_stloc (mb, loc1);
5605 /* Check for null */
5606 mono_mb_emit_ldloc (mb, 3);
5607 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5609 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5610 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5611 mono_mb_emit_byte (mb, CEE_DUP);
5613 mono_mb_emit_ldloc (mb, 3);
5614 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_managed_to_native);
5615 mono_mb_emit_stloc (mb, 3);
5617 mono_mb_emit_ldloc (mb, loc1);
5618 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_managed);
5620 mono_mb_patch_branch (mb, pos2);
5623 case MARSHAL_ACTION_MANAGED_CONV_OUT:
5625 /* Check for null */
5626 mono_mb_emit_ldloc (mb, conv_arg);
5627 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5630 mono_mb_emit_ldarg (mb, argnum);
5632 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5634 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5636 mono_mb_emit_ldloc (mb, conv_arg);
5637 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_managed_to_native);
5638 mono_mb_emit_byte (mb, CEE_STIND_I);
5641 /* Call CleanUpManagedData */
5642 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5644 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5646 mono_mb_emit_ldloc (mb, conv_arg);
5647 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_managed);
5649 mono_mb_patch_branch (mb, pos2);
5653 g_assert_not_reached ();
5660 emit_marshal_asany (EmitMarshalContext *m, int argnum, MonoType *t,
5661 MonoMarshalSpec *spec,
5662 int conv_arg, MonoType **conv_arg_type,
5663 MarshalAction action)
5665 MonoMethodBuilder *mb = m->mb;
5668 case MARSHAL_ACTION_CONV_IN: {
5669 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, NULL);
5671 g_assert (t->type == MONO_TYPE_OBJECT);
5672 g_assert (!t->byref);
5674 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5675 mono_mb_emit_ldarg (mb, argnum);
5676 mono_mb_emit_icon (mb, encoding);
5677 mono_mb_emit_icon (mb, t->attrs);
5678 mono_mb_emit_icall (mb, mono_marshal_asany);
5679 mono_mb_emit_stloc (mb, conv_arg);
5683 case MARSHAL_ACTION_PUSH:
5684 mono_mb_emit_ldloc (mb, conv_arg);
5687 case MARSHAL_ACTION_CONV_OUT: {
5688 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, NULL);
5690 mono_mb_emit_ldarg (mb, argnum);
5691 mono_mb_emit_ldloc (mb, conv_arg);
5692 mono_mb_emit_icon (mb, encoding);
5693 mono_mb_emit_icon (mb, t->attrs);
5694 mono_mb_emit_icall (mb, mono_marshal_free_asany);
5699 g_assert_not_reached ();
5706 emit_marshal_vtype (EmitMarshalContext *m, int argnum, MonoType *t,
5707 MonoMarshalSpec *spec,
5708 int conv_arg, MonoType **conv_arg_type,
5709 MarshalAction action)
5711 MonoMethodBuilder *mb = m->mb;
5712 MonoClass *klass, *date_time_class;
5715 klass = mono_class_from_mono_type (t);
5717 date_time_class = mono_class_from_name_cached (mono_defaults.corlib, "System", "DateTime");
5720 case MARSHAL_ACTION_CONV_IN:
5721 if (klass == date_time_class) {
5722 /* Convert it to an OLE DATE type */
5723 static MonoMethod *to_oadate;
5726 to_oadate = mono_class_get_method_from_name (date_time_class, "ToOADate", 0);
5727 g_assert (to_oadate);
5729 conv_arg = mono_mb_add_local (mb, &mono_defaults.double_class->byval_arg);
5732 mono_mb_emit_ldarg (mb, argnum);
5733 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
5736 if (!(t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && (t->attrs & PARAM_ATTRIBUTE_OUT))) {
5738 m->csig->params [argnum - m->csig->hasthis] = &mono_defaults.double_class->byval_arg;
5740 mono_mb_emit_ldarg_addr (mb, argnum);
5741 mono_mb_emit_managed_call (mb, to_oadate, NULL);
5742 mono_mb_emit_stloc (mb, conv_arg);
5746 mono_mb_patch_branch (mb, pos);
5750 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
5751 klass->blittable || klass->enumtype)
5754 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5756 /* store the address of the source into local variable 0 */
5758 mono_mb_emit_ldarg (mb, argnum);
5760 mono_mb_emit_ldarg_addr (mb, argnum);
5762 mono_mb_emit_stloc (mb, 0);
5764 /* allocate space for the native struct and
5765 * store the address into local variable 1 (dest) */
5766 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
5767 mono_mb_emit_byte (mb, CEE_PREFIX1);
5768 mono_mb_emit_byte (mb, CEE_LOCALLOC);
5769 mono_mb_emit_stloc (mb, conv_arg);
5772 mono_mb_emit_ldloc (mb, 0);
5773 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
5776 if (!(t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && (t->attrs & PARAM_ATTRIBUTE_OUT))) {
5778 mono_mb_emit_ldloc (mb, conv_arg);
5779 mono_mb_emit_stloc (mb, 1);
5781 /* emit valuetype conversion code */
5782 emit_struct_conv (mb, klass, FALSE);
5786 mono_mb_patch_branch (mb, pos);
5789 case MARSHAL_ACTION_PUSH:
5790 if (spec && spec->native == MONO_NATIVE_LPSTRUCT) {
5792 g_assert (!t->byref);
5794 /* Have to change the signature since the vtype is passed byref */
5795 m->csig->params [argnum - m->csig->hasthis] = &mono_defaults.int_class->byval_arg;
5797 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
5798 klass->blittable || klass->enumtype)
5799 mono_mb_emit_ldarg_addr (mb, argnum);
5801 mono_mb_emit_ldloc (mb, conv_arg);
5805 if (klass == date_time_class) {
5807 mono_mb_emit_ldloc_addr (mb, conv_arg);
5809 mono_mb_emit_ldloc (mb, conv_arg);
5813 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
5814 klass->blittable || klass->enumtype) {
5815 mono_mb_emit_ldarg (mb, argnum);
5818 mono_mb_emit_ldloc (mb, conv_arg);
5820 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5821 mono_mb_emit_op (mb, CEE_MONO_LDNATIVEOBJ, klass);
5825 case MARSHAL_ACTION_CONV_OUT:
5826 if (klass == date_time_class) {
5827 /* Convert from an OLE DATE type */
5828 static MonoMethod *from_oadate;
5833 if (!((t->attrs & PARAM_ATTRIBUTE_IN) && !(t->attrs & PARAM_ATTRIBUTE_OUT))) {
5835 from_oadate = mono_class_get_method_from_name (date_time_class, "FromOADate", 1);
5836 g_assert (from_oadate);
5838 mono_mb_emit_ldarg (mb, argnum);
5839 mono_mb_emit_ldloc (mb, conv_arg);
5840 mono_mb_emit_managed_call (mb, from_oadate, NULL);
5841 mono_mb_emit_op (mb, CEE_STOBJ, date_time_class);
5846 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
5847 klass->blittable || klass->enumtype)
5851 /* dst = argument */
5852 mono_mb_emit_ldarg (mb, argnum);
5853 mono_mb_emit_stloc (mb, 1);
5855 mono_mb_emit_ldloc (mb, 1);
5856 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
5858 if (!((t->attrs & PARAM_ATTRIBUTE_IN) && !(t->attrs & PARAM_ATTRIBUTE_OUT))) {
5859 /* src = tmp_locals [i] */
5860 mono_mb_emit_ldloc (mb, conv_arg);
5861 mono_mb_emit_stloc (mb, 0);
5863 /* emit valuetype conversion code */
5864 emit_struct_conv (mb, klass, TRUE);
5868 emit_struct_free (mb, klass, conv_arg);
5871 mono_mb_patch_branch (mb, pos);
5874 case MARSHAL_ACTION_CONV_RESULT:
5875 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
5877 mono_mb_emit_stloc (mb, 3);
5881 /* load pointer to returned value type */
5882 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5883 mono_mb_emit_byte (mb, CEE_MONO_VTADDR);
5884 /* store the address of the source into local variable 0 */
5885 mono_mb_emit_stloc (mb, 0);
5887 mono_mb_emit_ldloc_addr (mb, 3);
5888 mono_mb_emit_stloc (mb, 1);
5890 /* emit valuetype conversion code */
5891 emit_struct_conv (mb, klass, TRUE);
5894 case MARSHAL_ACTION_MANAGED_CONV_IN:
5895 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
5896 klass->blittable || klass->enumtype) {
5901 conv_arg = mono_mb_add_local (mb, &klass->byval_arg);
5903 if (t->attrs & PARAM_ATTRIBUTE_OUT)
5907 mono_mb_emit_ldarg (mb, argnum);
5909 mono_mb_emit_ldarg_addr (mb, argnum);
5910 mono_mb_emit_stloc (mb, 0);
5913 mono_mb_emit_ldloc (mb, 0);
5914 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
5917 mono_mb_emit_ldloc_addr (mb, conv_arg);
5918 mono_mb_emit_stloc (mb, 1);
5920 /* emit valuetype conversion code */
5921 emit_struct_conv (mb, klass, TRUE);
5924 mono_mb_patch_branch (mb, pos);
5927 case MARSHAL_ACTION_MANAGED_CONV_OUT:
5928 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
5929 klass->blittable || klass->enumtype) {
5933 /* Check for null */
5934 mono_mb_emit_ldarg (mb, argnum);
5935 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5938 mono_mb_emit_ldloc_addr (mb, conv_arg);
5939 mono_mb_emit_stloc (mb, 0);
5942 mono_mb_emit_ldarg (mb, argnum);
5943 mono_mb_emit_stloc (mb, 1);
5945 /* emit valuetype conversion code */
5946 emit_struct_conv (mb, klass, FALSE);
5948 mono_mb_patch_branch (mb, pos2);
5951 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
5952 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
5953 klass->blittable || klass->enumtype) {
5954 mono_mb_emit_stloc (mb, 3);
5959 /* load pointer to returned value type */
5960 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5961 mono_mb_emit_byte (mb, CEE_MONO_VTADDR);
5963 /* store the address of the source into local variable 0 */
5964 mono_mb_emit_stloc (mb, 0);
5965 /* allocate space for the native struct and
5966 * store the address into dst_ptr */
5967 m->retobj_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5968 m->retobj_class = klass;
5969 g_assert (m->retobj_var);
5970 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
5971 mono_mb_emit_byte (mb, CEE_CONV_I);
5972 mono_mb_emit_icall (mb, mono_marshal_alloc);
5973 mono_mb_emit_stloc (mb, 1);
5974 mono_mb_emit_ldloc (mb, 1);
5975 mono_mb_emit_stloc (mb, m->retobj_var);
5977 /* emit valuetype conversion code */
5978 emit_struct_conv (mb, klass, FALSE);
5982 g_assert_not_reached ();
5989 emit_marshal_string (EmitMarshalContext *m, int argnum, MonoType *t,
5990 MonoMarshalSpec *spec,
5991 int conv_arg, MonoType **conv_arg_type,
5992 MarshalAction action)
5994 MonoMethodBuilder *mb = m->mb;
5995 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
5996 MonoMarshalConv conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
6000 case MARSHAL_ACTION_CONV_IN:
6001 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6002 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6005 if (t->attrs & PARAM_ATTRIBUTE_OUT)
6008 mono_mb_emit_ldarg (mb, argnum);
6009 mono_mb_emit_byte (mb, CEE_LDIND_I);
6011 mono_mb_emit_ldarg (mb, argnum);
6015 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
6016 MonoException *exc = mono_get_exception_not_implemented (msg);
6017 g_warning ("%s", msg);
6019 mono_raise_exception (exc);
6022 mono_mb_emit_icall (mb, conv_to_icall (conv));
6024 mono_mb_emit_stloc (mb, conv_arg);
6027 case MARSHAL_ACTION_CONV_OUT:
6028 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
6030 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
6031 mono_mb_emit_exception_marshal_directive (mb, msg);
6035 if (encoding == MONO_NATIVE_VBBYREFSTR) {
6036 static MonoMethod *m;
6039 m = mono_class_get_method_from_name_flags (mono_defaults.string_class, "get_Length", -1, 0);
6044 * Have to allocate a new string with the same length as the original, and
6045 * copy the contents of the buffer pointed to by CONV_ARG into it.
6047 g_assert (t->byref);
6048 mono_mb_emit_ldarg (mb, argnum);
6049 mono_mb_emit_ldloc (mb, conv_arg);
6050 mono_mb_emit_ldarg (mb, argnum);
6051 mono_mb_emit_byte (mb, CEE_LDIND_I);
6052 mono_mb_emit_managed_call (mb, m, NULL);
6053 mono_mb_emit_icall (mb, mono_string_new_len_wrapper);
6054 mono_mb_emit_byte (mb, CEE_STIND_REF);
6055 } else if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT)) {
6056 mono_mb_emit_ldarg (mb, argnum);
6057 mono_mb_emit_ldloc (mb, conv_arg);
6058 mono_mb_emit_icall (mb, conv_to_icall (conv));
6059 mono_mb_emit_byte (mb, CEE_STIND_REF);
6062 if (need_free || (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT))) {
6063 mono_mb_emit_ldloc (mb, conv_arg);
6064 if (conv == MONO_MARSHAL_CONV_BSTR_STR)
6065 mono_mb_emit_icall (mb, mono_free_bstr);
6067 mono_mb_emit_icall (mb, mono_marshal_free);
6071 case MARSHAL_ACTION_PUSH:
6072 if (t->byref && encoding != MONO_NATIVE_VBBYREFSTR)
6073 mono_mb_emit_ldloc_addr (mb, conv_arg);
6075 mono_mb_emit_ldloc (mb, conv_arg);
6078 case MARSHAL_ACTION_CONV_RESULT:
6079 mono_mb_emit_stloc (mb, 0);
6081 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
6083 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
6084 mono_mb_emit_exception_marshal_directive (mb, msg);
6088 mono_mb_emit_ldloc (mb, 0);
6089 mono_mb_emit_icall (mb, conv_to_icall (conv));
6090 mono_mb_emit_stloc (mb, 3);
6092 /* free the string */
6093 mono_mb_emit_ldloc (mb, 0);
6094 if (conv == MONO_MARSHAL_CONV_BSTR_STR)
6095 mono_mb_emit_icall (mb, mono_free_bstr);
6097 mono_mb_emit_icall (mb, mono_marshal_free);
6100 case MARSHAL_ACTION_MANAGED_CONV_IN:
6101 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
6103 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6105 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
6107 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
6108 mono_mb_emit_exception_marshal_directive (mb, msg);
6112 mono_mb_emit_ldarg (mb, argnum);
6114 mono_mb_emit_byte (mb, CEE_LDIND_I);
6115 mono_mb_emit_icall (mb, conv_to_icall (conv));
6116 mono_mb_emit_stloc (mb, conv_arg);
6119 case MARSHAL_ACTION_MANAGED_CONV_OUT:
6122 mono_mb_emit_ldarg (mb, argnum);
6123 mono_mb_emit_ldloc (mb, conv_arg);
6124 mono_mb_emit_icall (mb, conv_to_icall (conv));
6125 mono_mb_emit_byte (mb, CEE_STIND_I);
6130 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
6131 if (conv_to_icall (conv) == mono_marshal_string_to_utf16)
6132 /* We need to make a copy so the caller is able to free it */
6133 mono_mb_emit_icall (mb, mono_marshal_string_to_utf16_copy);
6135 mono_mb_emit_icall (mb, conv_to_icall (conv));
6136 mono_mb_emit_stloc (mb, 3);
6140 g_assert_not_reached ();
6147 emit_marshal_safehandle (EmitMarshalContext *m, int argnum, MonoType *t,
6148 MonoMarshalSpec *spec, int conv_arg,
6149 MonoType **conv_arg_type, MarshalAction action)
6151 MonoMethodBuilder *mb = m->mb;
6154 case MARSHAL_ACTION_CONV_IN: {
6155 MonoType *intptr_type;
6156 int dar_release_slot, pos;
6158 intptr_type = &mono_defaults.int_class->byval_arg;
6159 conv_arg = mono_mb_add_local (mb, intptr_type);
6160 *conv_arg_type = intptr_type;
6162 if (!sh_dangerous_add_ref)
6163 init_safe_handle ();
6165 mono_mb_emit_ldarg (mb, argnum);
6166 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
6167 mono_mb_emit_exception (mb, "ArgumentNullException", NULL);
6169 mono_mb_patch_branch (mb, pos);
6172 * My tests in show that ref SafeHandles are not really
6173 * passed as ref objects. Instead a NULL is passed as the
6176 mono_mb_emit_icon (mb, 0);
6177 mono_mb_emit_stloc (mb, conv_arg);
6181 /* Create local to hold the ref parameter to DangerousAddRef */
6182 dar_release_slot = mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
6184 /* set release = false; */
6185 mono_mb_emit_icon (mb, 0);
6186 mono_mb_emit_stloc (mb, dar_release_slot);
6188 /* safehandle.DangerousAddRef (ref release) */
6189 mono_mb_emit_ldarg (mb, argnum);
6190 mono_mb_emit_ldloc_addr (mb, dar_release_slot);
6191 mono_mb_emit_managed_call (mb, sh_dangerous_add_ref, NULL);
6193 /* Pull the handle field from SafeHandle */
6194 mono_mb_emit_ldarg (mb, argnum);
6195 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoSafeHandle, handle));
6196 mono_mb_emit_byte (mb, CEE_LDIND_I);
6197 mono_mb_emit_stloc (mb, conv_arg);
6202 case MARSHAL_ACTION_PUSH:
6204 mono_mb_emit_ldloc_addr (mb, conv_arg);
6206 mono_mb_emit_ldloc (mb, conv_arg);
6209 case MARSHAL_ACTION_CONV_OUT: {
6210 /* The slot for the boolean is the next temporary created after conv_arg, see the CONV_IN code */
6211 int dar_release_slot = conv_arg + 1;
6214 if (!sh_dangerous_release)
6215 init_safe_handle ();
6221 * My tests indicate that ref SafeHandles parameters are not actually
6222 * passed by ref, but instead a new Handle is created regardless of
6223 * whether a change happens in the unmanaged side.
6225 * Also, the Handle is created before calling into unmanaged code,
6226 * but we do not support that mechanism (getting to the original
6227 * handle) and it makes no difference where we create this
6229 ctor = mono_class_get_method_from_name (t->data.klass, ".ctor", 0);
6231 mono_mb_emit_exception (mb, "MissingMethodException", "paramterless constructor required");
6234 /* refval = new SafeHandleDerived ()*/
6235 mono_mb_emit_ldarg (mb, argnum);
6236 mono_mb_emit_op (mb, CEE_NEWOBJ, ctor);
6237 mono_mb_emit_byte (mb, CEE_STIND_REF);
6239 /* refval.handle = returned_handle */
6240 mono_mb_emit_ldarg (mb, argnum);
6241 mono_mb_emit_byte (mb, CEE_LDIND_REF);
6242 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoSafeHandle, handle));
6243 mono_mb_emit_ldloc (mb, conv_arg);
6244 mono_mb_emit_byte (mb, CEE_STIND_I);
6246 mono_mb_emit_ldloc (mb, dar_release_slot);
6247 label_next = mono_mb_emit_branch (mb, CEE_BRFALSE);
6248 mono_mb_emit_ldarg (mb, argnum);
6249 mono_mb_emit_managed_call (mb, sh_dangerous_release, NULL);
6250 mono_mb_patch_branch (mb, label_next);
6255 case MARSHAL_ACTION_CONV_RESULT: {
6256 MonoMethod *ctor = NULL;
6257 int intptr_handle_slot;
6259 if (t->data.klass->flags & TYPE_ATTRIBUTE_ABSTRACT){
6260 mono_mb_emit_byte (mb, CEE_POP);
6261 mono_mb_emit_exception_marshal_directive (mb, g_strdup ("Returned SafeHandles should not be abstract"));
6265 ctor = mono_class_get_method_from_name (t->data.klass, ".ctor", 0);
6267 mono_mb_emit_byte (mb, CEE_POP);
6268 mono_mb_emit_exception (mb, "MissingMethodException", "paramterless constructor required");
6271 /* Store the IntPtr results into a local */
6272 intptr_handle_slot = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6273 mono_mb_emit_stloc (mb, intptr_handle_slot);
6275 /* Create return value */
6276 mono_mb_emit_op (mb, CEE_NEWOBJ, ctor);
6277 mono_mb_emit_stloc (mb, 3);
6279 /* Set the return.handle to the value, am using ldflda, not sure if thats a good idea */
6280 mono_mb_emit_ldloc (mb, 3);
6281 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoSafeHandle, handle));
6282 mono_mb_emit_ldloc (mb, intptr_handle_slot);
6283 mono_mb_emit_byte (mb, CEE_STIND_I);
6287 case MARSHAL_ACTION_MANAGED_CONV_IN:
6288 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_IN\n");
6291 case MARSHAL_ACTION_MANAGED_CONV_OUT:
6292 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_OUT\n");
6295 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
6296 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_RESULT\n");
6299 printf ("Unhandled case for MarshalAction: %d\n", action);
6306 emit_marshal_handleref (EmitMarshalContext *m, int argnum, MonoType *t,
6307 MonoMarshalSpec *spec, int conv_arg,
6308 MonoType **conv_arg_type, MarshalAction action)
6310 MonoMethodBuilder *mb = m->mb;
6313 case MARSHAL_ACTION_CONV_IN: {
6314 MonoType *intptr_type;
6316 intptr_type = &mono_defaults.int_class->byval_arg;
6317 conv_arg = mono_mb_add_local (mb, intptr_type);
6318 *conv_arg_type = intptr_type;
6321 char *msg = g_strdup ("HandleRefs can not be returned from unmanaged code (or passed by ref)");
6322 mono_mb_emit_exception_marshal_directive (mb, msg);
6325 mono_mb_emit_ldarg_addr (mb, argnum);
6326 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoHandleRef, handle));
6327 mono_mb_emit_byte (mb, CEE_ADD);
6328 mono_mb_emit_byte (mb, CEE_LDIND_I);
6329 mono_mb_emit_stloc (mb, conv_arg);
6333 case MARSHAL_ACTION_PUSH:
6334 mono_mb_emit_ldloc (mb, conv_arg);
6337 case MARSHAL_ACTION_CONV_OUT: {
6338 /* no resource release required */
6342 case MARSHAL_ACTION_CONV_RESULT: {
6343 char *msg = g_strdup ("HandleRefs can not be returned from unmanaged code (or passed by ref)");
6344 mono_mb_emit_exception_marshal_directive (mb, msg);
6348 case MARSHAL_ACTION_MANAGED_CONV_IN:
6349 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_IN\n");
6352 case MARSHAL_ACTION_MANAGED_CONV_OUT:
6353 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_OUT\n");
6356 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
6357 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_RESULT\n");
6360 fprintf (stderr, "Unhandled case for MarshalAction: %d\n", action);
6367 emit_marshal_object (EmitMarshalContext *m, int argnum, MonoType *t,
6368 MonoMarshalSpec *spec,
6369 int conv_arg, MonoType **conv_arg_type,
6370 MarshalAction action)
6372 MonoMethodBuilder *mb = m->mb;
6373 MonoClass *klass = mono_class_from_mono_type (t);
6377 case MARSHAL_ACTION_CONV_IN:
6378 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6379 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6381 m->orig_conv_args [argnum] = 0;
6383 if (mono_class_from_mono_type (t) == mono_defaults.object_class) {
6384 char *msg = g_strdup_printf ("Marshalling of type object is not implemented");
6385 mono_mb_emit_exception_marshal_directive (mb, msg);
6389 if (klass->delegate) {
6391 if (!(t->attrs & PARAM_ATTRIBUTE_OUT)) {
6392 char *msg = g_strdup_printf ("Byref marshalling of delegates is not implemented.");
6393 mono_mb_emit_exception_marshal_directive (mb, msg);
6395 mono_mb_emit_byte (mb, CEE_LDNULL);
6396 mono_mb_emit_stloc (mb, conv_arg);
6398 mono_mb_emit_ldarg (mb, argnum);
6399 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_DEL_FTN));
6400 mono_mb_emit_stloc (mb, conv_arg);
6402 } else if (klass == mono_defaults.stringbuilder_class) {
6403 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
6404 MonoMarshalConv conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
6407 if (!(t->attrs & PARAM_ATTRIBUTE_OUT)) {
6408 char *msg = g_strdup_printf ("Byref marshalling of stringbuilders is not implemented.");
6409 mono_mb_emit_exception_marshal_directive (mb, msg);
6414 mono_mb_emit_ldarg (mb, argnum);
6417 mono_mb_emit_icall (mb, conv_to_icall (conv));
6419 char *msg = g_strdup_printf ("stringbuilder marshalling conversion %d not implemented", encoding);
6420 MonoException *exc = mono_get_exception_not_implemented (msg);
6421 g_warning ("%s", msg);
6423 mono_raise_exception (exc);
6426 mono_mb_emit_stloc (mb, conv_arg);
6427 } else if (klass->blittable) {
6428 mono_mb_emit_byte (mb, CEE_LDNULL);
6429 mono_mb_emit_stloc (mb, conv_arg);
6431 mono_mb_emit_ldarg (mb, argnum);
6432 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6434 mono_mb_emit_ldarg (mb, argnum);
6435 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6436 mono_mb_emit_stloc (mb, conv_arg);
6438 mono_mb_patch_branch (mb, pos);
6441 mono_mb_emit_byte (mb, CEE_LDNULL);
6442 mono_mb_emit_stloc (mb, conv_arg);
6445 /* we dont need any conversions for out parameters */
6446 if (t->attrs & PARAM_ATTRIBUTE_OUT)
6449 mono_mb_emit_ldarg (mb, argnum);
6450 mono_mb_emit_byte (mb, CEE_LDIND_I);
6453 mono_mb_emit_ldarg (mb, argnum);
6454 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6455 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
6458 /* store the address of the source into local variable 0 */
6459 mono_mb_emit_stloc (mb, 0);
6460 mono_mb_emit_ldloc (mb, 0);
6461 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6463 /* allocate space for the native struct and store the address */
6464 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
6465 mono_mb_emit_byte (mb, CEE_PREFIX1);
6466 mono_mb_emit_byte (mb, CEE_LOCALLOC);
6467 mono_mb_emit_stloc (mb, conv_arg);
6470 /* Need to store the original buffer so we can free it later */
6471 m->orig_conv_args [argnum] = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6472 mono_mb_emit_ldloc (mb, conv_arg);
6473 mono_mb_emit_stloc (mb, m->orig_conv_args [argnum]);
6476 /* set the src_ptr */
6477 mono_mb_emit_ldloc (mb, 0);
6478 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6479 mono_mb_emit_stloc (mb, 0);
6482 mono_mb_emit_ldloc (mb, conv_arg);
6483 mono_mb_emit_stloc (mb, 1);
6485 /* emit valuetype conversion code */
6486 emit_struct_conv (mb, klass, FALSE);
6488 mono_mb_patch_branch (mb, pos);
6492 case MARSHAL_ACTION_CONV_OUT:
6493 if (klass == mono_defaults.stringbuilder_class) {
6495 MonoMarshalNative encoding;
6496 MonoMarshalConv conv;
6498 encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
6499 conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free);
6501 g_assert (encoding != -1);
6504 g_assert ((t->attrs & PARAM_ATTRIBUTE_OUT));
6508 mono_mb_emit_ldarg (mb, argnum);
6509 mono_mb_emit_ldloc (mb, conv_arg);
6512 case MONO_NATIVE_LPWSTR:
6513 mono_mb_emit_icall (mb, mono_string_utf16_to_builder2);
6515 case MONO_NATIVE_LPSTR:
6516 mono_mb_emit_icall (mb, mono_string_utf8_to_builder2);
6519 g_assert_not_reached ();
6522 mono_mb_emit_byte (mb, CEE_STIND_REF);
6524 mono_mb_emit_ldarg (mb, argnum);
6525 mono_mb_emit_ldloc (mb, conv_arg);
6527 mono_mb_emit_icall (mb, conv_to_icall (conv));
6531 mono_mb_emit_ldloc (mb, conv_arg);
6532 mono_mb_emit_icall (mb, mono_marshal_free);
6537 if (klass->delegate) {
6539 mono_mb_emit_ldarg (mb, argnum);
6540 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6541 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
6542 mono_mb_emit_ldloc (mb, conv_arg);
6543 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_FTN_DEL));
6544 mono_mb_emit_byte (mb, CEE_STIND_REF);
6549 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT)) {
6550 /* allocate a new object */
6551 mono_mb_emit_ldarg (mb, argnum);
6552 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6553 mono_mb_emit_op (mb, CEE_MONO_NEWOBJ, klass);
6554 mono_mb_emit_byte (mb, CEE_STIND_REF);
6557 /* dst = *argument */
6558 mono_mb_emit_ldarg (mb, argnum);
6561 mono_mb_emit_byte (mb, CEE_LDIND_I);
6563 mono_mb_emit_stloc (mb, 1);
6565 mono_mb_emit_ldloc (mb, 1);
6566 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6568 if (t->byref || (t->attrs & PARAM_ATTRIBUTE_OUT)) {
6569 mono_mb_emit_ldloc (mb, 1);
6570 mono_mb_emit_icon (mb, sizeof (MonoObject));
6571 mono_mb_emit_byte (mb, CEE_ADD);
6572 mono_mb_emit_stloc (mb, 1);
6574 /* src = tmp_locals [i] */
6575 mono_mb_emit_ldloc (mb, conv_arg);
6576 mono_mb_emit_stloc (mb, 0);
6578 /* emit valuetype conversion code */
6579 emit_struct_conv (mb, klass, TRUE);
6581 /* Free the structure returned by the native code */
6582 emit_struct_free (mb, klass, conv_arg);
6584 if (m->orig_conv_args [argnum]) {
6586 * If the native function changed the pointer, then free
6587 * the original structure plus the new pointer.
6589 mono_mb_emit_ldloc (mb, m->orig_conv_args [argnum]);
6590 mono_mb_emit_ldloc (mb, conv_arg);
6591 pos2 = mono_mb_emit_branch (mb, CEE_BEQ);
6593 if (!(t->attrs & PARAM_ATTRIBUTE_OUT)) {
6594 g_assert (m->orig_conv_args [argnum]);
6596 emit_struct_free (mb, klass, m->orig_conv_args [argnum]);
6599 mono_mb_emit_ldloc (mb, conv_arg);
6600 mono_mb_emit_icall (mb, g_free);
6602 mono_mb_patch_branch (mb, pos2);
6606 /* Free the original structure passed to native code */
6607 emit_struct_free (mb, klass, conv_arg);
6609 mono_mb_patch_branch (mb, pos);
6612 case MARSHAL_ACTION_PUSH:
6614 mono_mb_emit_ldloc_addr (mb, conv_arg);
6616 mono_mb_emit_ldloc (mb, conv_arg);
6619 case MARSHAL_ACTION_CONV_RESULT:
6620 if (klass->delegate) {
6621 g_assert (!t->byref);
6622 mono_mb_emit_stloc (mb, 0);
6623 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6624 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
6625 mono_mb_emit_ldloc (mb, 0);
6626 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_FTN_DEL));
6627 mono_mb_emit_stloc (mb, 3);
6630 mono_mb_emit_stloc (mb, 0);
6632 /* Make a copy since emit_conv modifies local 0 */
6633 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6634 mono_mb_emit_ldloc (mb, 0);
6635 mono_mb_emit_stloc (mb, loc);
6637 mono_mb_emit_byte (mb, CEE_LDNULL);
6638 mono_mb_emit_stloc (mb, 3);
6640 mono_mb_emit_ldloc (mb, 0);
6641 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6643 /* allocate result object */
6645 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6646 mono_mb_emit_op (mb, CEE_MONO_NEWOBJ, klass);
6647 mono_mb_emit_stloc (mb, 3);
6651 mono_mb_emit_ldloc (mb, 3);
6652 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6653 mono_mb_emit_stloc (mb, 1);
6655 /* emit conversion code */
6656 emit_struct_conv (mb, klass, TRUE);
6658 emit_struct_free (mb, klass, loc);
6660 /* Free the pointer allocated by unmanaged code */
6661 mono_mb_emit_ldloc (mb, loc);
6662 mono_mb_emit_icall (mb, g_free);
6663 mono_mb_patch_branch (mb, pos);
6667 case MARSHAL_ACTION_MANAGED_CONV_IN:
6668 conv_arg = mono_mb_add_local (mb, &klass->byval_arg);
6670 if (klass->delegate) {
6671 g_assert (!t->byref);
6672 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6673 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
6674 mono_mb_emit_ldarg (mb, argnum);
6675 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_FTN_DEL));
6676 mono_mb_emit_stloc (mb, conv_arg);
6680 if (klass == mono_defaults.stringbuilder_class) {
6681 MonoMarshalNative encoding;
6683 encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
6686 g_assert (encoding == MONO_NATIVE_LPSTR);
6688 g_assert (!t->byref);
6689 g_assert (encoding != -1);
6691 mono_mb_emit_ldarg (mb, argnum);
6692 mono_mb_emit_icall (mb, mono_string_utf8_to_builder2);
6693 mono_mb_emit_stloc (mb, conv_arg);
6697 /* The class can not have an automatic layout */
6698 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
6699 mono_mb_emit_auto_layout_exception (mb, klass);
6703 if (t->attrs & PARAM_ATTRIBUTE_OUT) {
6704 mono_mb_emit_byte (mb, CEE_LDNULL);
6705 mono_mb_emit_stloc (mb, conv_arg);
6710 mono_mb_emit_ldarg (mb, argnum);
6714 /* Check for NULL and raise an exception */
6715 pos2 = mono_mb_emit_branch (mb, CEE_BRTRUE);
6717 mono_mb_emit_exception (mb, "ArgumentNullException", NULL);
6719 mono_mb_patch_branch (mb, pos2);
6720 mono_mb_emit_ldarg (mb, argnum);
6721 mono_mb_emit_byte (mb, CEE_LDIND_I);
6724 mono_mb_emit_stloc (mb, 0);
6726 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
6727 mono_mb_emit_stloc (mb, conv_arg);
6729 mono_mb_emit_ldloc (mb, 0);
6730 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6732 /* Create and set dst */
6733 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6734 mono_mb_emit_op (mb, CEE_MONO_NEWOBJ, klass);
6735 mono_mb_emit_stloc (mb, conv_arg);
6736 mono_mb_emit_ldloc (mb, conv_arg);
6737 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6738 mono_mb_emit_stloc (mb, 1);
6740 /* emit valuetype conversion code */
6741 emit_struct_conv (mb, klass, TRUE);
6743 mono_mb_patch_branch (mb, pos);
6746 case MARSHAL_ACTION_MANAGED_CONV_OUT:
6748 /* Check for null */
6749 mono_mb_emit_ldloc (mb, conv_arg);
6750 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
6751 mono_mb_emit_ldarg (mb, argnum);
6752 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
6753 mono_mb_emit_byte (mb, CEE_STIND_REF);
6754 pos2 = mono_mb_emit_branch (mb, CEE_BR);
6756 mono_mb_patch_branch (mb, pos);
6759 mono_mb_emit_ldloc (mb, conv_arg);
6760 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6761 mono_mb_emit_stloc (mb, 0);
6763 /* Allocate and set dest */
6764 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
6765 mono_mb_emit_byte (mb, CEE_CONV_I);
6766 mono_mb_emit_icall (mb, mono_marshal_alloc);
6767 mono_mb_emit_stloc (mb, 1);
6769 /* Update argument pointer */
6770 mono_mb_emit_ldarg (mb, argnum);
6771 mono_mb_emit_ldloc (mb, 1);
6772 mono_mb_emit_byte (mb, CEE_STIND_I);
6774 /* emit valuetype conversion code */
6775 emit_struct_conv (mb, klass, FALSE);
6777 mono_mb_patch_branch (mb, pos2);
6779 /* byval [Out] marshalling */
6781 /* FIXME: Handle null */
6784 mono_mb_emit_ldloc (mb, conv_arg);
6785 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6786 mono_mb_emit_stloc (mb, 0);
6789 mono_mb_emit_ldarg (mb, argnum);
6790 mono_mb_emit_stloc (mb, 1);
6792 /* emit valuetype conversion code */
6793 emit_struct_conv (mb, klass, FALSE);
6797 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
6798 if (klass->delegate) {
6799 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_DEL_FTN));
6800 mono_mb_emit_stloc (mb, 3);
6804 /* The class can not have an automatic layout */
6805 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
6806 mono_mb_emit_auto_layout_exception (mb, klass);
6810 mono_mb_emit_stloc (mb, 0);
6811 /* Check for null */
6812 mono_mb_emit_ldloc (mb, 0);
6813 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
6814 mono_mb_emit_byte (mb, CEE_LDNULL);
6815 mono_mb_emit_stloc (mb, 3);
6816 pos2 = mono_mb_emit_branch (mb, CEE_BR);
6818 mono_mb_patch_branch (mb, pos);
6821 mono_mb_emit_ldloc (mb, 0);
6822 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6823 mono_mb_emit_stloc (mb, 0);
6825 /* Allocate and set dest */
6826 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
6827 mono_mb_emit_byte (mb, CEE_CONV_I);
6828 mono_mb_emit_icall (mb, mono_marshal_alloc);
6829 mono_mb_emit_byte (mb, CEE_DUP);
6830 mono_mb_emit_stloc (mb, 1);
6831 mono_mb_emit_stloc (mb, 3);
6833 emit_struct_conv (mb, klass, FALSE);
6835 mono_mb_patch_branch (mb, pos2);
6839 g_assert_not_reached ();
6846 emit_marshal_variant (EmitMarshalContext *m, int argnum, MonoType *t,
6847 MonoMarshalSpec *spec,
6848 int conv_arg, MonoType **conv_arg_type,
6849 MarshalAction action)
6851 MonoMethodBuilder *mb = m->mb;
6852 static MonoMethod *get_object_for_native_variant = NULL;
6853 static MonoMethod *get_native_variant_for_object = NULL;
6855 mono_init_com_types ();
6857 if (!get_object_for_native_variant)
6858 get_object_for_native_variant = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetObjectForNativeVariant", 1);
6859 g_assert (get_object_for_native_variant);
6861 if (!get_native_variant_for_object)
6862 get_native_variant_for_object = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetNativeVariantForObject", 2);
6863 g_assert (get_native_variant_for_object);
6866 case MARSHAL_ACTION_CONV_IN: {
6867 conv_arg = mono_mb_add_local (mb, &mono_defaults.variant_class->byval_arg);
6870 *conv_arg_type = &mono_defaults.variant_class->this_arg;
6872 *conv_arg_type = &mono_defaults.variant_class->byval_arg;
6874 if (t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && t->attrs & PARAM_ATTRIBUTE_OUT)
6877 mono_mb_emit_ldarg (mb, argnum);
6879 mono_mb_emit_byte(mb, CEE_LDIND_REF);
6880 mono_mb_emit_ldloc_addr (mb, conv_arg);
6881 mono_mb_emit_managed_call (mb, get_native_variant_for_object, NULL);
6885 case MARSHAL_ACTION_CONV_OUT: {
6886 static MonoMethod *variant_clear = NULL;
6889 variant_clear = mono_class_get_method_from_name (mono_defaults.variant_class, "Clear", 0);
6890 g_assert (variant_clear);
6893 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT || !(t->attrs & PARAM_ATTRIBUTE_IN))) {
6894 mono_mb_emit_ldarg (mb, argnum);
6895 mono_mb_emit_ldloc_addr (mb, conv_arg);
6896 mono_mb_emit_managed_call (mb, get_object_for_native_variant, NULL);
6897 mono_mb_emit_byte (mb, CEE_STIND_REF);
6900 mono_mb_emit_ldloc_addr (mb, conv_arg);
6901 mono_mb_emit_managed_call (mb, variant_clear, NULL);
6905 case MARSHAL_ACTION_PUSH:
6907 mono_mb_emit_ldloc_addr (mb, conv_arg);
6909 mono_mb_emit_ldloc (mb, conv_arg);
6912 case MARSHAL_ACTION_CONV_RESULT: {
6913 char *msg = g_strdup ("Marshalling of VARIANT not supported as a return type.");
6914 mono_mb_emit_exception_marshal_directive (mb, msg);
6918 case MARSHAL_ACTION_MANAGED_CONV_IN: {
6919 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
6922 *conv_arg_type = &mono_defaults.variant_class->this_arg;
6924 *conv_arg_type = &mono_defaults.variant_class->byval_arg;
6926 if (t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && t->attrs & PARAM_ATTRIBUTE_OUT)
6930 mono_mb_emit_ldarg (mb, argnum);
6932 mono_mb_emit_ldarg_addr (mb, argnum);
6933 mono_mb_emit_managed_call (mb, get_object_for_native_variant, NULL);
6934 mono_mb_emit_stloc (mb, conv_arg);
6938 case MARSHAL_ACTION_MANAGED_CONV_OUT: {
6939 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT || !(t->attrs & PARAM_ATTRIBUTE_IN))) {
6940 mono_mb_emit_ldloc (mb, conv_arg);
6941 mono_mb_emit_ldarg (mb, argnum);
6942 mono_mb_emit_managed_call (mb, get_native_variant_for_object, NULL);
6947 case MARSHAL_ACTION_MANAGED_CONV_RESULT: {
6948 char *msg = g_strdup ("Marshalling of VARIANT not supported as a return type.");
6949 mono_mb_emit_exception_marshal_directive (mb, msg);
6954 g_assert_not_reached ();
6961 mono_pinvoke_is_unicode (MonoMethodPInvoke *piinfo)
6963 switch (piinfo->piflags & PINVOKE_ATTRIBUTE_CHAR_SET_MASK) {
6964 case PINVOKE_ATTRIBUTE_CHAR_SET_ANSI:
6966 case PINVOKE_ATTRIBUTE_CHAR_SET_UNICODE:
6968 case PINVOKE_ATTRIBUTE_CHAR_SET_AUTO:
6979 emit_marshal_array (EmitMarshalContext *m, int argnum, MonoType *t,
6980 MonoMarshalSpec *spec,
6981 int conv_arg, MonoType **conv_arg_type,
6982 MarshalAction action)
6984 MonoMethodBuilder *mb = m->mb;
6985 MonoClass *klass = mono_class_from_mono_type (t);
6986 gboolean need_convert, need_free;
6987 MonoMarshalNative encoding;
6989 encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
6992 case MARSHAL_ACTION_CONV_IN:
6993 *conv_arg_type = &mono_defaults.object_class->byval_arg;
6994 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
6996 if (klass->element_class->blittable) {
6997 mono_mb_emit_ldarg (mb, argnum);
6999 mono_mb_emit_byte (mb, CEE_LDIND_I);
7000 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_ARRAY_LPARRAY));
7001 mono_mb_emit_stloc (mb, conv_arg);
7004 guint32 label1, label2, label3;
7005 int index_var, src_var, dest_ptr, esize;
7006 MonoMarshalConv conv;
7007 gboolean is_string = FALSE;
7009 dest_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7011 eklass = klass->element_class;
7013 if (eklass == mono_defaults.string_class) {
7015 conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
7017 else if (eklass == mono_defaults.stringbuilder_class) {
7019 conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
7024 src_var = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
7025 mono_mb_emit_ldarg (mb, argnum);
7027 mono_mb_emit_byte (mb, CEE_LDIND_I);
7028 mono_mb_emit_stloc (mb, src_var);
7031 mono_mb_emit_ldloc (mb, src_var);
7032 mono_mb_emit_stloc (mb, conv_arg);
7033 mono_mb_emit_ldloc (mb, src_var);
7034 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
7038 char *msg = g_strdup_printf ("string/stringbuilder marshalling conversion %d not implemented", encoding);
7039 MonoException *exc = mono_get_exception_not_implemented (msg);
7040 g_warning ("%s", msg);
7042 mono_raise_exception (exc);
7047 esize = sizeof (gpointer);
7048 else if (eklass == mono_defaults.char_class) /*can't call mono_marshal_type_size since it causes all sorts of asserts*/
7049 esize = mono_pinvoke_is_unicode (m->piinfo) ? 2 : 1;
7051 esize = mono_class_native_size (eklass, NULL);
7053 /* allocate space for the native struct and store the address */
7054 mono_mb_emit_icon (mb, esize);
7055 mono_mb_emit_ldloc (mb, src_var);
7056 mono_mb_emit_byte (mb, CEE_LDLEN);
7058 if (eklass == mono_defaults.string_class) {
7059 /* Make the array bigger for the terminating null */
7060 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
7061 mono_mb_emit_byte (mb, CEE_ADD);
7063 mono_mb_emit_byte (mb, CEE_MUL);
7064 mono_mb_emit_byte (mb, CEE_PREFIX1);
7065 mono_mb_emit_byte (mb, CEE_LOCALLOC);
7066 mono_mb_emit_stloc (mb, conv_arg);
7068 mono_mb_emit_ldloc (mb, conv_arg);
7069 mono_mb_emit_stloc (mb, dest_ptr);
7071 /* Emit marshalling loop */
7072 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7073 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7074 mono_mb_emit_stloc (mb, index_var);
7075 label2 = mono_mb_get_label (mb);
7076 mono_mb_emit_ldloc (mb, index_var);
7077 mono_mb_emit_ldloc (mb, src_var);
7078 mono_mb_emit_byte (mb, CEE_LDLEN);
7079 label3 = mono_mb_emit_branch (mb, CEE_BGE);
7081 /* Emit marshalling code */
7084 mono_mb_emit_ldloc (mb, dest_ptr);
7085 mono_mb_emit_ldloc (mb, src_var);
7086 mono_mb_emit_ldloc (mb, index_var);
7087 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
7088 mono_mb_emit_icall (mb, conv_to_icall (conv));
7089 mono_mb_emit_byte (mb, CEE_STIND_I);
7091 /* set the src_ptr */
7092 mono_mb_emit_ldloc (mb, src_var);
7093 mono_mb_emit_ldloc (mb, index_var);
7094 mono_mb_emit_op (mb, CEE_LDELEMA, eklass);
7095 mono_mb_emit_stloc (mb, 0);
7098 mono_mb_emit_ldloc (mb, dest_ptr);
7099 mono_mb_emit_stloc (mb, 1);
7101 /* emit valuetype conversion code */
7102 emit_struct_conv (mb, eklass, FALSE);
7105 mono_mb_emit_add_to_local (mb, index_var, 1);
7106 mono_mb_emit_add_to_local (mb, dest_ptr, esize);
7108 mono_mb_emit_branch_label (mb, CEE_BR, label2);
7110 mono_mb_patch_branch (mb, label3);
7112 if (eklass == mono_defaults.string_class) {
7113 /* Null terminate */
7114 mono_mb_emit_ldloc (mb, dest_ptr);
7115 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7116 mono_mb_emit_byte (mb, CEE_STIND_REF);
7119 mono_mb_patch_branch (mb, label1);
7124 case MARSHAL_ACTION_CONV_OUT:
7125 /* Unicode character arrays are implicitly marshalled as [Out] under MS.NET */
7126 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);
7127 need_free = mono_marshal_need_free (&klass->element_class->byval_arg,
7130 if (need_convert || need_free) {
7131 /* FIXME: Optimize blittable case */
7133 guint32 label1, label2, label3;
7134 int index_var, src_ptr, loc, esize;
7136 eklass = klass->element_class;
7137 if ((eklass == mono_defaults.stringbuilder_class) || (eklass == mono_defaults.string_class))
7138 esize = sizeof (gpointer);
7139 else if (eklass == mono_defaults.char_class)
7140 esize = mono_pinvoke_is_unicode (m->piinfo) ? 2 : 1;
7142 esize = mono_class_native_size (eklass, NULL);
7143 src_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7144 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7147 mono_mb_emit_ldarg (mb, argnum);
7149 mono_mb_emit_byte (mb, CEE_LDIND_I);
7150 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
7152 mono_mb_emit_ldloc (mb, conv_arg);
7153 mono_mb_emit_stloc (mb, src_ptr);
7155 /* Emit marshalling loop */
7156 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7157 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7158 mono_mb_emit_stloc (mb, index_var);
7159 label2 = mono_mb_get_label (mb);
7160 mono_mb_emit_ldloc (mb, index_var);
7161 mono_mb_emit_ldarg (mb, argnum);
7163 mono_mb_emit_byte (mb, CEE_LDIND_REF);
7164 mono_mb_emit_byte (mb, CEE_LDLEN);
7165 label3 = mono_mb_emit_branch (mb, CEE_BGE);
7167 /* Emit marshalling code */
7169 if (eklass == mono_defaults.stringbuilder_class) {
7170 gboolean need_free2;
7171 MonoMarshalConv conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free2);
7173 g_assert (conv != -1);
7176 mono_mb_emit_ldarg (mb, argnum);
7178 mono_mb_emit_byte (mb, CEE_LDIND_I);
7179 mono_mb_emit_ldloc (mb, index_var);
7180 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
7183 mono_mb_emit_ldloc (mb, src_ptr);
7184 mono_mb_emit_byte (mb, CEE_LDIND_I);
7186 mono_mb_emit_icall (mb, conv_to_icall (conv));
7190 mono_mb_emit_ldloc (mb, src_ptr);
7191 mono_mb_emit_byte (mb, CEE_LDIND_I);
7193 mono_mb_emit_icall (mb, mono_marshal_free);
7196 else if (eklass == mono_defaults.string_class) {
7199 mono_mb_emit_ldloc (mb, src_ptr);
7200 mono_mb_emit_byte (mb, CEE_LDIND_I);
7202 mono_mb_emit_icall (mb, mono_marshal_free);
7207 /* set the src_ptr */
7208 mono_mb_emit_ldloc (mb, src_ptr);
7209 mono_mb_emit_stloc (mb, 0);
7212 mono_mb_emit_ldarg (mb, argnum);
7214 mono_mb_emit_byte (mb, CEE_LDIND_REF);
7215 mono_mb_emit_ldloc (mb, index_var);
7216 mono_mb_emit_op (mb, CEE_LDELEMA, eklass);
7217 mono_mb_emit_stloc (mb, 1);
7219 /* emit valuetype conversion code */
7220 emit_struct_conv (mb, eklass, TRUE);
7224 mono_mb_emit_ldloc (mb, src_ptr);
7225 mono_mb_emit_stloc (mb, loc);
7226 mono_mb_emit_ldloc (mb, loc);
7228 emit_struct_free (mb, eklass, loc);
7232 mono_mb_emit_add_to_local (mb, index_var, 1);
7233 mono_mb_emit_add_to_local (mb, src_ptr, esize);
7235 mono_mb_emit_branch_label (mb, CEE_BR, label2);
7237 mono_mb_patch_branch (mb, label1);
7238 mono_mb_patch_branch (mb, label3);
7241 if (klass->element_class->blittable) {
7242 /* free memory allocated (if any) by MONO_MARSHAL_CONV_ARRAY_LPARRAY */
7244 mono_mb_emit_ldarg (mb, argnum);
7245 mono_mb_emit_ldloc (mb, conv_arg);
7246 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_FREE_LPARRAY));
7251 case MARSHAL_ACTION_PUSH:
7253 mono_mb_emit_ldloc_addr (mb, conv_arg);
7255 mono_mb_emit_ldloc (mb, conv_arg);
7258 case MARSHAL_ACTION_CONV_RESULT:
7259 /* fixme: we need conversions here */
7260 mono_mb_emit_stloc (mb, 3);
7263 case MARSHAL_ACTION_MANAGED_CONV_IN: {
7265 guint32 label1, label2, label3;
7266 int index_var, src_ptr, loc, esize, param_num, num_elem;
7267 MonoMarshalConv conv;
7268 gboolean is_string = FALSE;
7270 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
7271 *conv_arg_type = &mono_defaults.int_class->byval_arg;
7274 char *msg = g_strdup ("Byref array marshalling to managed code is not implemented.");
7275 mono_mb_emit_exception_marshal_directive (mb, msg);
7279 char *msg = g_strdup ("[MarshalAs] attribute required to marshal arrays to managed code.");
7280 mono_mb_emit_exception_marshal_directive (mb, msg);
7283 if (spec->native != MONO_NATIVE_LPARRAY) {
7284 char *msg = g_strdup ("Non LPArray marshalling of arrays to managed code is not implemented.");
7285 mono_mb_emit_exception_marshal_directive (mb, msg);
7289 /* FIXME: t is from the method which is wrapped, not the delegate type */
7290 /* g_assert (t->attrs & PARAM_ATTRIBUTE_IN); */
7292 param_num = spec->data.array_data.param_num;
7293 num_elem = spec->data.array_data.num_elem;
7294 if (spec->data.array_data.elem_mult == 0)
7295 /* param_num is not specified */
7298 if (param_num == -1) {
7299 if (num_elem <= 0) {
7300 char *msg = g_strdup ("Either SizeConst or SizeParamIndex should be specified when marshalling arrays to managed code.");
7301 mono_mb_emit_exception_marshal_directive (mb, msg);
7306 /* FIXME: Optimize blittable case */
7308 eklass = klass->element_class;
7309 if (eklass == mono_defaults.string_class) {
7311 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
7313 else if (eklass == mono_defaults.stringbuilder_class) {
7315 conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free);
7320 mono_marshal_load_type_info (eklass);
7323 esize = sizeof (gpointer);
7325 esize = mono_class_native_size (eklass, NULL);
7326 src_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7327 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7329 mono_mb_emit_byte (mb, CEE_LDNULL);
7330 mono_mb_emit_stloc (mb, conv_arg);
7332 /* Check param index */
7333 if (param_num != -1) {
7334 if (param_num >= m->sig->param_count) {
7335 char *msg = g_strdup ("Array size control parameter index is out of range.");
7336 mono_mb_emit_exception_marshal_directive (mb, msg);
7339 switch (m->sig->params [param_num]->type) {
7352 char *msg = g_strdup ("Array size control parameter must be an integral type.");
7353 mono_mb_emit_exception_marshal_directive (mb, msg);
7360 mono_mb_emit_ldarg (mb, argnum);
7361 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
7363 mono_mb_emit_ldarg (mb, argnum);
7364 mono_mb_emit_stloc (mb, src_ptr);
7366 /* Create managed array */
7368 * The LPArray marshalling spec says that sometimes param_num starts
7369 * from 1, sometimes it starts from 0. But MS seems to allways start
7373 if (param_num == -1) {
7374 mono_mb_emit_icon (mb, num_elem);
7376 mono_mb_emit_ldarg (mb, param_num);
7378 mono_mb_emit_icon (mb, num_elem);
7379 mono_mb_emit_byte (mb, CEE_ADD);
7381 mono_mb_emit_byte (mb, CEE_CONV_OVF_I);
7384 mono_mb_emit_op (mb, CEE_NEWARR, eklass);
7385 mono_mb_emit_stloc (mb, conv_arg);
7387 if (eklass->blittable) {
7388 mono_mb_emit_ldloc (mb, conv_arg);
7389 mono_mb_emit_byte (mb, CEE_CONV_I);
7390 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArray, vector));
7391 mono_mb_emit_byte (mb, CEE_ADD);
7392 mono_mb_emit_ldarg (mb, argnum);
7393 mono_mb_emit_ldloc (mb, conv_arg);
7394 mono_mb_emit_byte (mb, CEE_LDLEN);
7395 mono_mb_emit_icon (mb, esize);
7396 mono_mb_emit_byte (mb, CEE_MUL);
7397 mono_mb_emit_byte (mb, CEE_PREFIX1);
7398 mono_mb_emit_byte (mb, CEE_CPBLK);
7402 /* Emit marshalling loop */
7403 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7404 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7405 mono_mb_emit_stloc (mb, index_var);
7406 label2 = mono_mb_get_label (mb);
7407 mono_mb_emit_ldloc (mb, index_var);
7408 mono_mb_emit_ldloc (mb, conv_arg);
7409 mono_mb_emit_byte (mb, CEE_LDLEN);
7410 label3 = mono_mb_emit_branch (mb, CEE_BGE);
7412 /* Emit marshalling code */
7414 g_assert (conv != -1);
7416 mono_mb_emit_ldloc (mb, conv_arg);
7417 mono_mb_emit_ldloc (mb, index_var);
7419 mono_mb_emit_ldloc (mb, src_ptr);
7420 mono_mb_emit_byte (mb, CEE_LDIND_I);
7422 mono_mb_emit_icall (mb, conv_to_icall (conv));
7423 mono_mb_emit_byte (mb, CEE_STELEM_REF);
7426 char *msg = g_strdup ("Marshalling of non-string and non-blittable arrays to managed code is not implemented.");
7427 mono_mb_emit_exception_marshal_directive (mb, msg);
7431 mono_mb_emit_add_to_local (mb, index_var, 1);
7432 mono_mb_emit_add_to_local (mb, src_ptr, esize);
7434 mono_mb_emit_branch_label (mb, CEE_BR, label2);
7436 mono_mb_patch_branch (mb, label1);
7437 mono_mb_patch_branch (mb, label3);
7441 case MARSHAL_ACTION_MANAGED_CONV_OUT: {
7443 guint32 label1, label2, label3;
7444 int index_var, dest_ptr, loc, esize, param_num, num_elem;
7445 MonoMarshalConv conv;
7446 gboolean is_string = FALSE;
7449 /* Already handled in CONV_IN */
7452 /* These are already checked in CONV_IN */
7453 g_assert (!t->byref);
7454 g_assert (spec->native == MONO_NATIVE_LPARRAY);
7455 g_assert (t->attrs & PARAM_ATTRIBUTE_OUT);
7457 param_num = spec->data.array_data.param_num;
7458 num_elem = spec->data.array_data.num_elem;
7460 if (spec->data.array_data.elem_mult == 0)
7461 /* param_num is not specified */
7464 if (param_num == -1) {
7465 if (num_elem <= 0) {
7466 g_assert_not_reached ();
7470 /* FIXME: Optimize blittable case */
7472 eklass = klass->element_class;
7473 if (eklass == mono_defaults.string_class) {
7475 conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
7477 else if (eklass == mono_defaults.stringbuilder_class) {
7479 conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
7484 mono_marshal_load_type_info (eklass);
7487 esize = sizeof (gpointer);
7489 esize = mono_class_native_size (eklass, NULL);
7491 dest_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7492 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7495 mono_mb_emit_ldloc (mb, conv_arg);
7496 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
7498 mono_mb_emit_ldarg (mb, argnum);
7499 mono_mb_emit_stloc (mb, dest_ptr);
7501 if (eklass->blittable) {
7503 mono_mb_emit_ldarg (mb, argnum);
7505 mono_mb_emit_ldloc (mb, conv_arg);
7506 mono_mb_emit_byte (mb, CEE_CONV_I);
7507 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArray, vector));
7508 mono_mb_emit_byte (mb, CEE_ADD);
7510 mono_mb_emit_ldloc (mb, conv_arg);
7511 mono_mb_emit_byte (mb, CEE_LDLEN);
7512 mono_mb_emit_icon (mb, esize);
7513 mono_mb_emit_byte (mb, CEE_MUL);
7514 mono_mb_emit_byte (mb, CEE_PREFIX1);
7515 mono_mb_emit_byte (mb, CEE_CPBLK);
7519 /* Emit marshalling loop */
7520 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7521 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7522 mono_mb_emit_stloc (mb, index_var);
7523 label2 = mono_mb_get_label (mb);
7524 mono_mb_emit_ldloc (mb, index_var);
7525 mono_mb_emit_ldloc (mb, conv_arg);
7526 mono_mb_emit_byte (mb, CEE_LDLEN);
7527 label3 = mono_mb_emit_branch (mb, CEE_BGE);
7529 /* Emit marshalling code */
7531 g_assert (conv != -1);
7534 mono_mb_emit_ldloc (mb, dest_ptr);
7537 mono_mb_emit_ldloc (mb, conv_arg);
7538 mono_mb_emit_ldloc (mb, index_var);
7540 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
7542 mono_mb_emit_icall (mb, conv_to_icall (conv));
7543 mono_mb_emit_byte (mb, CEE_STIND_I);
7546 char *msg = g_strdup ("Marshalling of non-string and non-blittable arrays to managed code is not implemented.");
7547 mono_mb_emit_exception_marshal_directive (mb, msg);
7551 mono_mb_emit_add_to_local (mb, index_var, 1);
7552 mono_mb_emit_add_to_local (mb, dest_ptr, esize);
7554 mono_mb_emit_branch_label (mb, CEE_BR, label2);
7556 mono_mb_patch_branch (mb, label1);
7557 mono_mb_patch_branch (mb, label3);
7561 case MARSHAL_ACTION_MANAGED_CONV_RESULT: {
7563 guint32 label1, label2, label3;
7564 int index_var, src, dest, esize;
7565 MonoMarshalConv conv = -1;
7566 gboolean is_string = FALSE;
7568 g_assert (!t->byref);
7570 eklass = klass->element_class;
7572 mono_marshal_load_type_info (eklass);
7574 if (eklass == mono_defaults.string_class) {
7576 conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
7579 g_assert_not_reached ();
7583 esize = sizeof (gpointer);
7584 else if (eklass == mono_defaults.char_class)
7585 esize = mono_pinvoke_is_unicode (m->piinfo) ? 2 : 1;
7587 esize = mono_class_native_size (eklass, NULL);
7589 src = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
7590 dest = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7592 mono_mb_emit_stloc (mb, src);
7593 mono_mb_emit_ldloc (mb, src);
7594 mono_mb_emit_stloc (mb, 3);
7596 /* Check for null */
7597 mono_mb_emit_ldloc (mb, src);
7598 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
7600 /* Allocate native array */
7601 mono_mb_emit_icon (mb, esize);
7602 mono_mb_emit_ldloc (mb, src);
7603 mono_mb_emit_byte (mb, CEE_LDLEN);
7605 if (eklass == mono_defaults.string_class) {
7606 /* Make the array bigger for the terminating null */
7607 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
7608 mono_mb_emit_byte (mb, CEE_ADD);
7610 mono_mb_emit_byte (mb, CEE_MUL);
7611 mono_mb_emit_icall (mb, mono_marshal_alloc);
7612 mono_mb_emit_stloc (mb, dest);
7613 mono_mb_emit_ldloc (mb, dest);
7614 mono_mb_emit_stloc (mb, 3);
7616 /* Emit marshalling loop */
7617 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7618 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7619 mono_mb_emit_stloc (mb, index_var);
7620 label2 = mono_mb_get_label (mb);
7621 mono_mb_emit_ldloc (mb, index_var);
7622 mono_mb_emit_ldloc (mb, src);
7623 mono_mb_emit_byte (mb, CEE_LDLEN);
7624 label3 = mono_mb_emit_branch (mb, CEE_BGE);
7626 /* Emit marshalling code */
7628 g_assert (conv != -1);
7631 mono_mb_emit_ldloc (mb, dest);
7634 mono_mb_emit_ldloc (mb, src);
7635 mono_mb_emit_ldloc (mb, index_var);
7637 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
7639 mono_mb_emit_icall (mb, conv_to_icall (conv));
7640 mono_mb_emit_byte (mb, CEE_STIND_I);
7643 char *msg = g_strdup ("Marshalling of non-string arrays to managed code is not implemented.");
7644 mono_mb_emit_exception_marshal_directive (mb, msg);
7648 mono_mb_emit_add_to_local (mb, index_var, 1);
7649 mono_mb_emit_add_to_local (mb, dest, esize);
7651 mono_mb_emit_branch_label (mb, CEE_BR, label2);
7653 mono_mb_patch_branch (mb, label3);
7654 mono_mb_patch_branch (mb, label1);
7658 g_assert_not_reached ();
7665 emit_marshal_boolean (EmitMarshalContext *m, int argnum, MonoType *t,
7666 MonoMarshalSpec *spec,
7667 int conv_arg, MonoType **conv_arg_type,
7668 MarshalAction action)
7670 MonoMethodBuilder *mb = m->mb;
7673 case MARSHAL_ACTION_CONV_IN: {
7674 MonoType *local_type;
7676 guint8 ldc_op = CEE_LDC_I4_1;
7679 local_type = &mono_defaults.int32_class->byval_arg;
7681 switch (spec->native) {
7682 case MONO_NATIVE_I1:
7683 case MONO_NATIVE_U1:
7684 local_type = &mono_defaults.byte_class->byval_arg;
7686 case MONO_NATIVE_VARIANTBOOL:
7687 local_type = &mono_defaults.int16_class->byval_arg;
7688 ldc_op = CEE_LDC_I4_M1;
7690 case MONO_NATIVE_BOOLEAN:
7691 local_type = &mono_defaults.int32_class->byval_arg;
7694 g_warning ("marshalling bool as native type %x is currently not supported", spec->native);
7695 local_type = &mono_defaults.int32_class->byval_arg;
7700 *conv_arg_type = &mono_defaults.int_class->byval_arg;
7702 *conv_arg_type = local_type;
7703 conv_arg = mono_mb_add_local (mb, local_type);
7705 mono_mb_emit_ldarg (mb, argnum);
7707 mono_mb_emit_byte (mb, CEE_LDIND_I1);
7708 label_false = mono_mb_emit_branch (mb, CEE_BRFALSE);
7709 mono_mb_emit_byte (mb, ldc_op);
7710 mono_mb_emit_stloc (mb, conv_arg);
7711 mono_mb_patch_branch (mb, label_false);
7716 case MARSHAL_ACTION_CONV_OUT:
7718 int label_false, label_end;
7722 mono_mb_emit_ldarg (mb, argnum);
7723 mono_mb_emit_ldloc (mb, conv_arg);
7725 label_false = mono_mb_emit_branch (mb, CEE_BRFALSE);
7726 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
7728 label_end = mono_mb_emit_branch (mb, CEE_BR);
7729 mono_mb_patch_branch (mb, label_false);
7730 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7731 mono_mb_patch_branch (mb, label_end);
7733 mono_mb_emit_byte (mb, CEE_STIND_I1);
7737 case MARSHAL_ACTION_PUSH:
7739 mono_mb_emit_ldloc_addr (mb, conv_arg);
7741 mono_mb_emit_ldloc (mb, conv_arg);
7743 mono_mb_emit_ldarg (mb, argnum);
7746 case MARSHAL_ACTION_CONV_RESULT:
7747 /* maybe we need to make sure that it fits within 8 bits */
7748 mono_mb_emit_stloc (mb, 3);
7751 case MARSHAL_ACTION_MANAGED_CONV_IN: {
7752 MonoClass* conv_arg_class = mono_defaults.int32_class;
7753 guint8 ldop = CEE_LDIND_I4;
7754 int label_null, label_false;
7756 conv_arg = mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
7759 switch (spec->native) {
7760 case MONO_NATIVE_I1:
7761 case MONO_NATIVE_U1:
7762 conv_arg_class = mono_defaults.byte_class;
7763 ldop = CEE_LDIND_I1;
7765 case MONO_NATIVE_VARIANTBOOL:
7766 conv_arg_class = mono_defaults.int16_class;
7767 ldop = CEE_LDIND_I2;
7769 case MONO_NATIVE_BOOLEAN:
7772 g_warning ("marshalling bool as native type %x is currently not supported", spec->native);
7777 *conv_arg_type = &conv_arg_class->this_arg;
7779 *conv_arg_type = &conv_arg_class->byval_arg;
7782 mono_mb_emit_ldarg (mb, argnum);
7786 label_null = mono_mb_emit_branch (mb, CEE_BRFALSE);
7787 mono_mb_emit_ldarg (mb, argnum);
7788 mono_mb_emit_byte (mb, ldop);
7792 label_false = mono_mb_emit_branch (mb, CEE_BRFALSE);
7793 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
7794 mono_mb_emit_stloc (mb, conv_arg);
7795 mono_mb_patch_branch (mb, label_false);
7798 mono_mb_patch_branch (mb, label_null);
7802 case MARSHAL_ACTION_MANAGED_CONV_OUT: {
7803 guint8 stop = CEE_STIND_I4;
7804 guint8 ldc_op = CEE_LDC_I4_1;
7805 int label_null,label_false, label_end;;
7810 switch (spec->native) {
7811 case MONO_NATIVE_I1:
7812 case MONO_NATIVE_U1:
7813 stop = CEE_STIND_I1;
7815 case MONO_NATIVE_VARIANTBOOL:
7816 stop = CEE_STIND_I2;
7817 ldc_op = CEE_LDC_I4_M1;
7825 mono_mb_emit_ldarg (mb, argnum);
7826 label_null = mono_mb_emit_branch (mb, CEE_BRFALSE);
7828 mono_mb_emit_ldarg (mb, argnum);
7829 mono_mb_emit_ldloc (mb, conv_arg);
7831 label_false = mono_mb_emit_branch (mb, CEE_BRFALSE);
7832 mono_mb_emit_byte (mb, ldc_op);
7833 label_end = mono_mb_emit_branch (mb, CEE_BR);
7835 mono_mb_patch_branch (mb, label_false);
7836 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7837 mono_mb_patch_branch (mb, label_end);
7839 mono_mb_emit_byte (mb, stop);
7840 mono_mb_patch_branch (mb, label_null);
7845 g_assert_not_reached ();
7852 emit_marshal_ptr (EmitMarshalContext *m, int argnum, MonoType *t,
7853 MonoMarshalSpec *spec, int conv_arg,
7854 MonoType **conv_arg_type, MarshalAction action)
7856 MonoMethodBuilder *mb = m->mb;
7859 case MARSHAL_ACTION_CONV_IN:
7860 if (MONO_TYPE_ISSTRUCT (t->data.type) && !mono_class_from_mono_type (t->data.type)->blittable) {
7861 char *msg = g_strdup_printf ("Can not marshal 'parameter #%d': Pointers can not reference marshaled structures. Use byref instead.", argnum + 1);
7862 mono_mb_emit_exception_marshal_directive (m->mb, msg);
7866 case MARSHAL_ACTION_PUSH:
7867 mono_mb_emit_ldarg (mb, argnum);
7870 case MARSHAL_ACTION_CONV_RESULT:
7871 /* no conversions necessary */
7872 mono_mb_emit_stloc (mb, 3);
7883 emit_marshal_char (EmitMarshalContext *m, int argnum, MonoType *t,
7884 MonoMarshalSpec *spec, int conv_arg,
7885 MonoType **conv_arg_type, MarshalAction action)
7887 MonoMethodBuilder *mb = m->mb;
7890 case MARSHAL_ACTION_PUSH:
7891 /* fixme: dont know how to marshal that. We cant simply
7892 * convert it to a one byte UTF8 character, because an
7893 * unicode character may need more that one byte in UTF8 */
7894 mono_mb_emit_ldarg (mb, argnum);
7897 case MARSHAL_ACTION_CONV_RESULT:
7898 /* fixme: we need conversions here */
7899 mono_mb_emit_stloc (mb, 3);
7910 emit_marshal_scalar (EmitMarshalContext *m, int argnum, MonoType *t,
7911 MonoMarshalSpec *spec, int conv_arg,
7912 MonoType **conv_arg_type, MarshalAction action)
7914 MonoMethodBuilder *mb = m->mb;
7917 case MARSHAL_ACTION_PUSH:
7918 mono_mb_emit_ldarg (mb, argnum);
7921 case MARSHAL_ACTION_CONV_RESULT:
7922 /* no conversions necessary */
7923 mono_mb_emit_stloc (mb, 3);
7934 emit_marshal (EmitMarshalContext *m, int argnum, MonoType *t,
7935 MonoMarshalSpec *spec, int conv_arg,
7936 MonoType **conv_arg_type, MarshalAction action)
7938 /* Ensure that we have marshalling info for this param */
7939 mono_marshal_load_type_info (mono_class_from_mono_type (t));
7941 if (spec && spec->native == MONO_NATIVE_CUSTOM)
7942 return emit_marshal_custom (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7944 if (spec && spec->native == MONO_NATIVE_ASANY)
7945 return emit_marshal_asany (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7948 case MONO_TYPE_VALUETYPE:
7949 if (t->data.klass == mono_defaults.handleref_class)
7950 return emit_marshal_handleref (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7952 return emit_marshal_vtype (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7953 case MONO_TYPE_STRING:
7954 return emit_marshal_string (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7955 case MONO_TYPE_CLASS:
7956 case MONO_TYPE_OBJECT:
7957 if (spec && spec->native == MONO_NATIVE_STRUCT)
7958 return emit_marshal_variant (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7961 if (spec && (spec->native == MONO_NATIVE_IUNKNOWN ||
7962 spec->native == MONO_NATIVE_IDISPATCH ||
7963 spec->native == MONO_NATIVE_INTERFACE))
7964 return mono_cominterop_emit_marshal_com_interface (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7965 if (spec && (spec->native == MONO_NATIVE_SAFEARRAY) &&
7966 (spec->data.safearray_data.elem_type == MONO_VARIANT_VARIANT) &&
7967 ((action == MARSHAL_ACTION_CONV_OUT) || (action == MARSHAL_ACTION_CONV_IN) || (action == MARSHAL_ACTION_PUSH)))
7968 return mono_cominterop_emit_marshal_safearray (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7971 if (mono_defaults.safehandle_class != NULL && t->data.klass &&
7972 mono_class_is_subclass_of (t->data.klass, mono_defaults.safehandle_class, FALSE))
7973 return emit_marshal_safehandle (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7975 return emit_marshal_object (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7976 case MONO_TYPE_ARRAY:
7977 case MONO_TYPE_SZARRAY:
7978 return emit_marshal_array (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7979 case MONO_TYPE_BOOLEAN:
7980 return emit_marshal_boolean (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7982 return emit_marshal_ptr (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7983 case MONO_TYPE_CHAR:
7984 return emit_marshal_char (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7997 case MONO_TYPE_FNPTR:
7998 return emit_marshal_scalar (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7999 case MONO_TYPE_GENERICINST:
8000 if (mono_type_generic_inst_is_valuetype (t))
8001 return emit_marshal_vtype (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8003 return emit_marshal_object (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8010 * mono_marshal_emit_native_wrapper:
8011 * @image: the image to use for looking up custom marshallers
8012 * @sig: The signature of the native function
8013 * @piinfo: Marshalling information
8014 * @mspecs: Marshalling information
8015 * @aot: whenever the created method will be compiled by the AOT compiler
8016 * @method: if non-NULL, the pinvoke method to call
8017 * @check_exceptions: Whenever to check for pending exceptions after the native call
8019 * generates IL code for the pinvoke wrapper, the generated code calls @func.
8022 mono_marshal_emit_native_wrapper (MonoImage *image, MonoMethodBuilder *mb, MonoMethodSignature *sig, MonoMethodPInvoke *piinfo, MonoMarshalSpec **mspecs, gpointer func, gboolean aot, gboolean check_exceptions)
8024 EmitMarshalContext m;
8025 MonoMethodSignature *csig;
8027 int i, argnum, *tmp_locals;
8029 static MonoMethodSignature *get_last_error_sig = NULL;
8034 /* we copy the signature, so that we can set pinvoke to 0 */
8035 csig = signature_dup (mb->method->klass->image, sig);
8040 /* we allocate local for use with emit_struct_conv() */
8041 /* allocate local 0 (pointer) src_ptr */
8042 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8043 /* allocate local 1 (pointer) dst_ptr */
8044 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8045 /* allocate local 2 (boolean) delete_old */
8046 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
8048 /* delete_old = FALSE */
8049 mono_mb_emit_icon (mb, 0);
8050 mono_mb_emit_stloc (mb, 2);
8052 if (!MONO_TYPE_IS_VOID(sig->ret)) {
8053 /* allocate local 3 to store the return value */
8054 mono_mb_add_local (mb, sig->ret);
8057 if (mspecs [0] && mspecs [0]->native == MONO_NATIVE_CUSTOM) {
8058 /* Return type custom marshaling */
8060 * Since we can't determine the return type of the unmanaged function,
8061 * we assume it returns a pointer, and pass that pointer to
8062 * MarshalNativeToManaged.
8064 csig->ret = &mono_defaults.int_class->byval_arg;
8067 /* we first do all conversions */
8068 tmp_locals = alloca (sizeof (int) * sig->param_count);
8069 m.orig_conv_args = alloca (sizeof (int) * (sig->param_count + 1));
8071 for (i = 0; i < sig->param_count; i ++) {
8072 tmp_locals [i] = emit_marshal (&m, i + sig->hasthis, sig->params [i], mspecs [i + 1], 0, &csig->params [i], MARSHAL_ACTION_CONV_IN);
8075 /* push all arguments */
8078 mono_mb_emit_byte (mb, CEE_LDARG_0);
8080 for (i = 0; i < sig->param_count; i++) {
8081 emit_marshal (&m, i + sig->hasthis, sig->params [i], mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_PUSH);
8084 /* call the native method */
8085 if (MONO_CLASS_IS_IMPORT (mb->method->klass)) {
8087 mono_mb_emit_cominterop_call (mb, csig, &piinfo->method);
8089 g_assert_not_reached ();
8094 /* Reuse the ICALL_ADDR opcode for pinvokes too */
8095 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
8096 mono_mb_emit_op (mb, CEE_MONO_ICALL_ADDR, &piinfo->method);
8097 mono_mb_emit_calli (mb, csig);
8099 mono_mb_emit_native_call (mb, csig, func);
8103 /* Set LastError if needed */
8104 if (piinfo->piflags & PINVOKE_ATTRIBUTE_SUPPORTS_LAST_ERROR) {
8105 if (!get_last_error_sig) {
8106 get_last_error_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
8107 get_last_error_sig->ret = &mono_defaults.int_class->byval_arg;
8108 get_last_error_sig->pinvoke = 1;
8113 * Have to call GetLastError () early and without a wrapper, since various runtime components could
8114 * clobber its value.
8116 mono_mb_emit_native_call (mb, get_last_error_sig, GetLastError);
8117 mono_mb_emit_icall (mb, mono_marshal_set_last_error_windows);
8119 mono_mb_emit_icall (mb, mono_marshal_set_last_error);
8123 /* convert the result */
8124 if (!sig->ret->byref) {
8125 MonoMarshalSpec *spec = mspecs [0];
8126 type = sig->ret->type;
8128 if (spec && spec->native == MONO_NATIVE_CUSTOM) {
8129 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
8134 case MONO_TYPE_VOID:
8136 case MONO_TYPE_VALUETYPE:
8137 klass = sig->ret->data.klass;
8138 if (klass->enumtype) {
8139 type = mono_class_enum_basetype (sig->ret->data.klass)->type;
8142 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
8156 case MONO_TYPE_FNPTR:
8157 case MONO_TYPE_STRING:
8158 case MONO_TYPE_CLASS:
8159 case MONO_TYPE_OBJECT:
8160 case MONO_TYPE_BOOLEAN:
8161 case MONO_TYPE_ARRAY:
8162 case MONO_TYPE_SZARRAY:
8163 case MONO_TYPE_CHAR:
8165 case MONO_TYPE_GENERICINST:
8166 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
8168 case MONO_TYPE_TYPEDBYREF:
8170 g_warning ("return type 0x%02x unknown", sig->ret->type);
8171 g_assert_not_reached ();
8175 mono_mb_emit_stloc (mb, 3);
8179 * Need to call this after converting the result since MONO_VTADDR needs
8180 * to be adjacent to the call instruction.
8182 if (check_exceptions)
8183 emit_thread_interrupt_checkpoint (mb);
8185 /* we need to convert byref arguments back and free string arrays */
8186 for (i = 0; i < sig->param_count; i++) {
8187 MonoType *t = sig->params [i];
8188 MonoMarshalSpec *spec = mspecs [i + 1];
8190 argnum = i + sig->hasthis;
8192 if (spec && ((spec->native == MONO_NATIVE_CUSTOM) || (spec->native == MONO_NATIVE_ASANY))) {
8193 emit_marshal (&m, argnum, t, spec, tmp_locals [i], NULL, MARSHAL_ACTION_CONV_OUT);
8198 case MONO_TYPE_STRING:
8199 case MONO_TYPE_VALUETYPE:
8200 case MONO_TYPE_CLASS:
8201 case MONO_TYPE_OBJECT:
8202 case MONO_TYPE_SZARRAY:
8203 case MONO_TYPE_BOOLEAN:
8204 emit_marshal (&m, argnum, t, spec, tmp_locals [i], NULL, MARSHAL_ACTION_CONV_OUT);
8209 if (!MONO_TYPE_IS_VOID(sig->ret))
8210 mono_mb_emit_ldloc (mb, 3);
8212 mono_mb_emit_byte (mb, CEE_RET);
8215 G_GNUC_UNUSED static void
8216 code_for (MonoMethod *method) {
8217 MonoMethodHeader *header = mono_method_get_header (method);
8218 printf ("CODE FOR %s: \n%s.\n", mono_method_full_name (method, TRUE), mono_disasm_code (0, method, header->code, header->code + header->code_size));
8222 * mono_marshal_get_native_wrapper:
8223 * @method: The MonoMethod to wrap.
8224 * @check_exceptions: Whenever to check for pending exceptions
8226 * generates IL code for the pinvoke wrapper (the generated method
8227 * calls the unmanaged code in piinfo->addr)
8230 mono_marshal_get_native_wrapper (MonoMethod *method, gboolean check_exceptions, gboolean aot)
8232 MonoMethodSignature *sig, *csig;
8233 MonoMethodPInvoke *piinfo = (MonoMethodPInvoke *) method;
8234 MonoMethodBuilder *mb;
8235 MonoMarshalSpec **mspecs;
8238 gboolean pinvoke = FALSE;
8241 const char *exc_class = "MissingMethodException";
8242 const char *exc_arg = NULL;
8244 g_assert (method != NULL);
8245 g_assert (mono_method_signature (method)->pinvoke);
8248 cache = get_cache (&method->klass->image->native_wrapper_aot_cache, mono_aligned_addr_hash, NULL);
8250 cache = get_cache (&method->klass->image->native_wrapper_cache, mono_aligned_addr_hash, NULL);
8251 if ((res = mono_marshal_find_in_cache (cache, method)))
8254 if (MONO_CLASS_IS_IMPORT (method->klass)) {
8256 return mono_cominterop_get_native_wrapper (method);
8258 g_assert_not_reached ();
8262 sig = mono_method_signature (method);
8264 if (!(method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
8265 (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL))
8268 if (!piinfo->addr) {
8270 if (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)
8271 exc_arg = "Method contains unsupported native code";
8273 mono_lookup_pinvoke_call (method, &exc_class, &exc_arg);
8275 piinfo->addr = mono_lookup_internal_call (method);
8278 /* hack - redirect certain string constructors to CreateString */
8279 if (piinfo->addr == ves_icall_System_String_ctor_RedirectToCreateString) {
8280 g_assert (!pinvoke);
8281 g_assert (method->string_ctor);
8282 g_assert (sig->hasthis);
8284 /* CreateString returns a value */
8285 csig = signature_dup (method->klass->image, sig);
8286 csig->ret = &mono_defaults.string_class->byval_arg;
8290 while ((res = mono_class_get_methods (mono_defaults.string_class, &iter))) {
8291 if (!strcmp ("CreateString", res->name) &&
8292 mono_metadata_signature_equal (csig, mono_method_signature (res))) {
8294 g_assert (!(res->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL));
8295 g_assert (!(res->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL));
8297 /* create a wrapper to preserve .ctor in stack trace */
8298 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_MANAGED_TO_MANAGED);
8300 mono_mb_emit_byte (mb, CEE_LDARG_0);
8301 for (i = 1; i <= csig->param_count; i++)
8302 mono_mb_emit_ldarg (mb, i);
8303 mono_mb_emit_managed_call (mb, res, NULL);
8304 mono_mb_emit_byte (mb, CEE_RET);
8306 /* use native_wrapper_cache because internal calls are looked up there */
8307 res = mono_mb_create_and_cache (cache, method,
8308 mb, csig, csig->param_count + 1);
8316 /* exception will be thrown */
8317 piinfo->addr = NULL;
8318 g_warning ("cannot find CreateString for .ctor");
8321 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_MANAGED_TO_NATIVE);
8323 mb->method->save_lmf = 1;
8326 * In AOT mode and embedding scenarios, it is possible that the icall is not
8327 * registered in the runtime doing the AOT compilation.
8329 if (!piinfo->addr && !aot) {
8330 mono_mb_emit_exception (mb, exc_class, exc_arg);
8331 csig = signature_dup (method->klass->image, sig);
8333 res = mono_mb_create_and_cache (cache, method,
8334 mb, csig, csig->param_count + 16);
8339 /* internal calls: we simply push all arguments and call the method (no conversions) */
8340 if (method->iflags & (METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL | METHOD_IMPL_ATTRIBUTE_RUNTIME)) {
8342 csig = signature_dup_add_this (sig, method->klass);
8344 csig = signature_dup (method->klass->image, sig);
8346 /* hack - string constructors returns a value */
8347 if (method->string_ctor)
8348 csig->ret = &mono_defaults.string_class->byval_arg;
8354 * Add a null check since public icalls can be called with 'call' which
8355 * does no such check.
8357 mono_mb_emit_byte (mb, CEE_LDARG_0);
8358 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
8359 mono_mb_emit_exception (mb, "NullReferenceException", NULL);
8360 mono_mb_patch_branch (mb, pos);
8362 mono_mb_emit_byte (mb, CEE_LDARG_0);
8365 for (i = 0; i < sig->param_count; i++)
8366 mono_mb_emit_ldarg (mb, i + sig->hasthis);
8369 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
8370 mono_mb_emit_op (mb, CEE_MONO_ICALL_ADDR, &piinfo->method);
8371 mono_mb_emit_calli (mb, csig);
8373 g_assert (piinfo->addr);
8374 mono_mb_emit_native_call (mb, csig, piinfo->addr);
8376 if (check_exceptions)
8377 emit_thread_interrupt_checkpoint (mb);
8378 mono_mb_emit_byte (mb, CEE_RET);
8380 csig = signature_dup (method->klass->image, csig);
8382 res = mono_mb_create_and_cache (cache, method,
8383 mb, csig, csig->param_count + 16);
8390 g_assert (piinfo->addr);
8392 mspecs = g_new (MonoMarshalSpec*, sig->param_count + 1);
8393 mono_method_get_marshal_info (method, mspecs);
8395 mono_marshal_emit_native_wrapper (mb->method->klass->image, mb, sig, piinfo, mspecs, piinfo->addr, aot, check_exceptions);
8397 csig = signature_dup (method->klass->image, sig);
8399 res = mono_mb_create_and_cache (cache, method,
8400 mb, csig, csig->param_count + 16);
8403 for (i = sig->param_count; i >= 0; i--)
8405 mono_metadata_free_marshal_spec (mspecs [i]);
8408 /* code_for (res); */
8414 * mono_marshal_get_native_func_wrapper:
8415 * @image: The image to use for memory allocation and for looking up custom marshallers.
8416 * @sig: The signature of the function
8417 * @func: The native function to wrap
8419 * Returns a wrapper method around native functions, similar to the pinvoke
8423 mono_marshal_get_native_func_wrapper (MonoImage *image, MonoMethodSignature *sig,
8424 MonoMethodPInvoke *piinfo, MonoMarshalSpec **mspecs, gpointer func)
8426 MonoMethodSignature *csig;
8428 MonoMethodBuilder *mb;
8433 cache = get_cache (&image->native_wrapper_cache, mono_aligned_addr_hash, NULL);
8434 if ((res = mono_marshal_find_in_cache (cache, func)))
8437 name = g_strdup_printf ("wrapper_native_%p", func);
8438 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_MANAGED_TO_NATIVE);
8439 mb->method->save_lmf = 1;
8441 mono_marshal_emit_native_wrapper (image, mb, sig, piinfo, mspecs, func, FALSE, TRUE);
8443 csig = signature_dup (image, sig);
8445 res = mono_mb_create_and_cache (cache, func,
8446 mb, csig, csig->param_count + 16);
8449 mono_marshal_set_wrapper_info (res, NULL);
8451 /* code_for (res); */
8457 * mono_marshal_emit_managed_wrapper:
8459 * Emit the body of a native-to-managed wrapper. INVOKE_SIG is the signature of
8460 * the delegate which wraps the managed method to be called. For closed delegates,
8461 * it could have fewer parameters than the method it wraps.
8462 * THIS_LOC is the memory location where the target of the delegate is stored.
8465 mono_marshal_emit_managed_wrapper (MonoMethodBuilder *mb, MonoMethodSignature *invoke_sig, MonoMarshalSpec **mspecs, EmitMarshalContext* m, MonoMethod *method, uint32_t target_handle)
8467 MonoMethodSignature *sig, *csig;
8469 gboolean closed = FALSE;
8474 /* allocate local 0 (pointer) src_ptr */
8475 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8476 /* allocate local 1 (pointer) dst_ptr */
8477 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8478 /* allocate local 2 (boolean) delete_old */
8479 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
8481 if (!sig->hasthis && sig->param_count != invoke_sig->param_count) {
8482 /* Closed delegate */
8483 g_assert (sig->param_count == invoke_sig->param_count + 1);
8485 /* Use a new signature without the first argument */
8486 sig = mono_metadata_signature_dup (sig);
8487 memmove (&sig->params [0], &sig->params [1], (sig->param_count - 1) * sizeof (MonoType*));
8488 sig->param_count --;
8491 if (!MONO_TYPE_IS_VOID(sig->ret)) {
8492 /* allocate local 3 to store the return value */
8493 mono_mb_add_local (mb, sig->ret);
8496 mono_mb_emit_icon (mb, 0);
8497 mono_mb_emit_stloc (mb, 2);
8499 /* we first do all conversions */
8500 tmp_locals = alloca (sizeof (int) * sig->param_count);
8501 for (i = 0; i < sig->param_count; i ++) {
8502 MonoType *t = sig->params [i];
8505 case MONO_TYPE_OBJECT:
8506 case MONO_TYPE_CLASS:
8507 case MONO_TYPE_VALUETYPE:
8508 case MONO_TYPE_ARRAY:
8509 case MONO_TYPE_SZARRAY:
8510 case MONO_TYPE_STRING:
8511 case MONO_TYPE_BOOLEAN:
8512 tmp_locals [i] = emit_marshal (m, i, sig->params [i], mspecs [i + 1], 0, &csig->params [i], MARSHAL_ACTION_MANAGED_CONV_IN);
8521 emit_thread_interrupt_checkpoint (mb);
8524 if (target_handle) {
8525 mono_mb_emit_icon (mb, (gint32)target_handle);
8526 mono_mb_emit_icall (mb, mono_gchandle_get_target);
8529 g_assert_not_reached ();
8531 } else if (closed) {
8532 mono_mb_emit_icon (mb, (gint32)target_handle);
8533 mono_mb_emit_icall (mb, mono_gchandle_get_target);
8536 for (i = 0; i < sig->param_count; i++) {
8537 MonoType *t = sig->params [i];
8539 if (tmp_locals [i]) {
8541 mono_mb_emit_ldloc_addr (mb, tmp_locals [i]);
8543 mono_mb_emit_ldloc (mb, tmp_locals [i]);
8546 mono_mb_emit_ldarg (mb, i);
8549 mono_mb_emit_managed_call (mb, method, NULL);
8551 if (mspecs [0] && mspecs [0]->native == MONO_NATIVE_CUSTOM) {
8552 emit_marshal (m, 0, sig->ret, mspecs [0], 0, NULL, MARSHAL_ACTION_MANAGED_CONV_RESULT);
8553 } else if (!sig->ret->byref) {
8554 switch (sig->ret->type) {
8555 case MONO_TYPE_VOID:
8557 case MONO_TYPE_BOOLEAN:
8560 case MONO_TYPE_CHAR:
8572 case MONO_TYPE_OBJECT:
8573 mono_mb_emit_stloc (mb, 3);
8575 case MONO_TYPE_STRING:
8576 csig->ret = &mono_defaults.int_class->byval_arg;
8577 emit_marshal (m, 0, sig->ret, mspecs [0], 0, NULL, MARSHAL_ACTION_MANAGED_CONV_RESULT);
8579 case MONO_TYPE_VALUETYPE:
8580 case MONO_TYPE_CLASS:
8581 case MONO_TYPE_SZARRAY:
8582 emit_marshal (m, 0, sig->ret, mspecs [0], 0, NULL, MARSHAL_ACTION_MANAGED_CONV_RESULT);
8585 g_warning ("return type 0x%02x unknown", sig->ret->type);
8586 g_assert_not_reached ();
8589 mono_mb_emit_stloc (mb, 3);
8592 /* Convert byref arguments back */
8593 for (i = 0; i < sig->param_count; i ++) {
8594 MonoType *t = sig->params [i];
8595 MonoMarshalSpec *spec = mspecs [i + 1];
8597 if (spec && spec->native == MONO_NATIVE_CUSTOM) {
8598 emit_marshal (m, i, t, mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_MANAGED_CONV_OUT);
8600 else if (t->byref) {
8602 case MONO_TYPE_CLASS:
8603 case MONO_TYPE_VALUETYPE:
8604 case MONO_TYPE_OBJECT:
8605 case MONO_TYPE_STRING:
8606 case MONO_TYPE_BOOLEAN:
8607 emit_marshal (m, i, t, mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_MANAGED_CONV_OUT);
8611 else if (invoke_sig->params [i]->attrs & PARAM_ATTRIBUTE_OUT) {
8612 /* The [Out] information is encoded in the delegate signature */
8614 case MONO_TYPE_SZARRAY:
8615 case MONO_TYPE_CLASS:
8616 case MONO_TYPE_VALUETYPE:
8617 emit_marshal (m, i, invoke_sig->params [i], mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_MANAGED_CONV_OUT);
8620 g_assert_not_reached ();
8625 if (m->retobj_var) {
8626 mono_mb_emit_ldloc (mb, m->retobj_var);
8627 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
8628 mono_mb_emit_op (mb, CEE_MONO_RETOBJ, m->retobj_class);
8631 if (!MONO_TYPE_IS_VOID(sig->ret))
8632 mono_mb_emit_ldloc (mb, 3);
8633 mono_mb_emit_byte (mb, CEE_RET);
8642 mono_marshal_set_callconv_from_modopt (MonoMethod *method, MonoMethodSignature *csig)
8644 MonoMethodSignature *sig;
8649 * Under windows, delegates passed to native code must use the STDCALL
8650 * calling convention.
8652 csig->call_convention = MONO_CALL_STDCALL;
8655 sig = mono_method_signature (method);
8657 /* Change default calling convention if needed */
8658 /* Why is this a modopt ? */
8659 if (sig->ret && sig->ret->num_mods) {
8660 for (i = 0; i < sig->ret->num_mods; ++i) {
8661 MonoClass *cmod_class = mono_class_get (method->klass->image, sig->ret->modifiers [i].token);
8662 g_assert (cmod_class);
8663 if ((cmod_class->image == mono_defaults.corlib) && !strcmp (cmod_class->name_space, "System.Runtime.CompilerServices")) {
8664 if (!strcmp (cmod_class->name, "CallConvCdecl"))
8665 csig->call_convention = MONO_CALL_C;
8666 else if (!strcmp (cmod_class->name, "CallConvStdcall"))
8667 csig->call_convention = MONO_CALL_STDCALL;
8668 else if (!strcmp (cmod_class->name, "CallConvFastcall"))
8669 csig->call_convention = MONO_CALL_FASTCALL;
8670 else if (!strcmp (cmod_class->name, "CallConvThiscall"))
8671 csig->call_convention = MONO_CALL_THISCALL;
8678 * generates IL code to call managed methods from unmanaged code
8681 mono_marshal_get_managed_wrapper (MonoMethod *method, MonoClass *delegate_klass, uint32_t target_handle)
8683 static MonoClass *UnmanagedFunctionPointerAttribute;
8684 MonoMethodSignature *sig, *csig, *invoke_sig;
8685 MonoMethodBuilder *mb;
8686 MonoMethod *res, *invoke;
8687 MonoMarshalSpec **mspecs;
8688 MonoMethodPInvoke piinfo;
8691 EmitMarshalContext m;
8693 g_assert (method != NULL);
8694 g_assert (!mono_method_signature (method)->pinvoke);
8697 * FIXME: Should cache the method+delegate type pair, since the same method
8698 * could be called with different delegates, thus different marshalling
8701 cache = get_cache (&method->klass->image->managed_wrapper_cache, mono_aligned_addr_hash, NULL);
8702 if (!target_handle && (res = mono_marshal_find_in_cache (cache, method)))
8705 invoke = mono_get_delegate_invoke (delegate_klass);
8706 invoke_sig = mono_method_signature (invoke);
8708 mspecs = g_new0 (MonoMarshalSpec*, mono_method_signature (invoke)->param_count + 1);
8709 mono_method_get_marshal_info (invoke, mspecs);
8711 sig = mono_method_signature (method);
8713 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_NATIVE_TO_MANAGED);
8715 /*the target gchandle must be the first entry after size and the wrapper itself.*/
8716 mono_mb_add_data (mb, GUINT_TO_POINTER (target_handle));
8718 /* we copy the signature, so that we can modify it */
8720 /* Need to free this later */
8721 csig = mono_metadata_signature_dup (invoke_sig);
8723 csig = signature_dup (method->klass->image, invoke_sig);
8732 m.image = method->klass->image;
8734 mono_marshal_set_callconv_from_modopt (invoke, csig);
8736 /* Handle the UnmanagedFunctionPointerAttribute */
8737 if (!UnmanagedFunctionPointerAttribute)
8738 UnmanagedFunctionPointerAttribute = mono_class_from_name (mono_defaults.corlib, "System.Runtime.InteropServices", "UnmanagedFunctionPointerAttribute");
8740 /* The attribute is only available in Net 2.0 */
8741 if (UnmanagedFunctionPointerAttribute) {
8742 MonoCustomAttrInfo *cinfo;
8743 MonoCustomAttrEntry *attr;
8746 * The pinvoke attributes are stored in a real custom attribute. Obtain the
8747 * contents of the attribute without constructing it, as that might not be
8748 * possible when running in cross-compiling mode.
8750 cinfo = mono_custom_attrs_from_class (delegate_klass);
8753 for (i = 0; i < cinfo->num_attrs; ++i) {
8754 if (mono_class_has_parent (cinfo->attrs [i].ctor->klass, UnmanagedFunctionPointerAttribute)) {
8755 attr = &cinfo->attrs [i];
8761 MonoArray *typed_args, *named_args;
8762 CattrNamedArg *arginfo;
8766 MonoBoolean set_last_error = 0;
8767 MonoBoolean best_fit_mapping = 0;
8768 MonoBoolean throw_on_unmappable = 0;
8770 mono_reflection_create_custom_attr_data_args (mono_defaults.corlib, attr->ctor, attr->data, attr->data_size, &typed_args, &named_args, &arginfo);
8772 g_assert (mono_array_length (typed_args) == 1);
8775 o = mono_array_get (typed_args, MonoObject*, 0);
8776 call_conv = *(gint32*)mono_object_unbox (o);
8779 for (i = 0; i < mono_array_length (named_args); ++i) {
8780 CattrNamedArg *narg = &arginfo [i];
8782 o = mono_array_get (named_args, MonoObject*, i);
8784 g_assert (narg->field);
8785 if (!strcmp (narg->field->name, "CharSet")) {
8786 charset = *(gint32*)mono_object_unbox (o);
8787 } else if (!strcmp (narg->field->name, "SetLastError")) {
8788 set_last_error = *(MonoBoolean*)mono_object_unbox (o);
8789 } else if (!strcmp (narg->field->name, "BestFitMapping")) {
8790 best_fit_mapping = *(MonoBoolean*)mono_object_unbox (o);
8791 } else if (!strcmp (narg->field->name, "ThrowOnUnmappableChar")) {
8792 throw_on_unmappable = *(MonoBoolean*)mono_object_unbox (o);
8794 g_assert_not_reached ();
8800 memset (&piinfo, 0, sizeof (piinfo));
8802 piinfo.piflags = (call_conv << 8) | (charset ? (charset - 1) * 2 : 1) | set_last_error;
8804 csig->call_convention = call_conv - 1;
8807 if (cinfo && !cinfo->cached)
8808 mono_custom_attrs_free (cinfo);
8811 mono_marshal_emit_managed_wrapper (mb, invoke_sig, mspecs, &m, method, target_handle);
8814 res = mono_mb_create_and_cache (cache, method,
8815 mb, csig, sig->param_count + 16);
8818 res = mono_mb_create_method (mb, csig, sig->param_count + 16);
8822 for (i = mono_method_signature (invoke)->param_count; i >= 0; i--)
8824 mono_metadata_free_marshal_spec (mspecs [i]);
8827 /* code_for (res); */
8833 mono_marshal_get_vtfixup_ftnptr (MonoImage *image, guint32 token, guint16 type)
8836 MonoMethodSignature *sig;
8837 MonoMethodBuilder *mb;
8842 method = mono_get_method (image, token, NULL);
8845 if (type & (VTFIXUP_TYPE_FROM_UNMANAGED | VTFIXUP_TYPE_FROM_UNMANAGED_RETAIN_APPDOMAIN)) {
8846 MonoMethodSignature *csig;
8847 MonoMarshalSpec **mspecs;
8848 EmitMarshalContext m;
8850 sig = mono_method_signature (method);
8851 g_assert (!sig->hasthis);
8853 mspecs = g_new0 (MonoMarshalSpec*, sig->param_count + 1);
8854 mono_method_get_marshal_info (method, mspecs);
8856 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_NATIVE_TO_MANAGED);
8857 csig = signature_dup (image, sig);
8868 mono_marshal_set_callconv_from_modopt (method, csig);
8870 /* FIXME: Implement VTFIXUP_TYPE_FROM_UNMANAGED_RETAIN_APPDOMAIN. */
8872 mono_marshal_emit_managed_wrapper (mb, sig, mspecs, &m, method, 0);
8875 method = mono_mb_create_method (mb, csig, sig->param_count + 16);
8878 for (i = sig->param_count; i >= 0; i--)
8880 mono_metadata_free_marshal_spec (mspecs [i]);
8883 return mono_compile_method (method);
8886 sig = mono_method_signature (method);
8887 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_MANAGED_TO_MANAGED);
8889 param_count = sig->param_count + sig->hasthis;
8890 for (i = 0; i < param_count; i++)
8891 mono_mb_emit_ldarg (mb, i);
8893 if (type & VTFIXUP_TYPE_CALL_MOST_DERIVED)
8894 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
8896 mono_mb_emit_op (mb, CEE_CALL, method);
8897 mono_mb_emit_byte (mb, CEE_RET);
8900 method = mono_mb_create_method (mb, sig, param_count);
8903 return mono_compile_method (method);
8906 static MonoReflectionType *
8907 type_from_handle (MonoType *handle)
8909 MonoDomain *domain = mono_domain_get ();
8910 MonoClass *klass = mono_class_from_mono_type (handle);
8912 MONO_ARCH_SAVE_REGS;
8914 mono_class_init (klass);
8915 return mono_type_get_object (domain, handle);
8919 * This does the equivalent of mono_object_castclass_with_cache.
8922 mono_marshal_get_castclass_with_cache (void)
8924 static MonoMethod *cached;
8926 MonoMethodBuilder *mb;
8927 MonoMethodSignature *sig;
8928 int return_null_pos, cache_miss_pos, invalid_cast_pos;
8933 mb = mono_mb_new (mono_defaults.object_class, "__castclass_with_cache", MONO_WRAPPER_CASTCLASS);
8934 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
8935 sig->params [0] = &mono_defaults.object_class->byval_arg;
8936 sig->params [1] = &mono_defaults.int_class->byval_arg;
8937 sig->params [2] = &mono_defaults.int_class->byval_arg;
8938 sig->ret = &mono_defaults.object_class->byval_arg;
8941 /* allocate local 0 (pointer) obj_vtable */
8942 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8945 mono_mb_emit_ldarg (mb, 0);
8946 return_null_pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
8948 /*obj_vtable = obj->vtable;*/
8949 mono_mb_emit_ldarg (mb, 0);
8950 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
8951 mono_mb_emit_byte (mb, CEE_LDIND_I);
8952 mono_mb_emit_stloc (mb, 0);
8955 mono_mb_emit_ldarg (mb, 2);
8956 mono_mb_emit_byte (mb, CEE_LDIND_I);
8957 mono_mb_emit_ldloc (mb, 0);
8959 /*if (*cache == obj_vtable)*/
8960 cache_miss_pos = mono_mb_emit_branch (mb, CEE_BNE_UN);
8963 mono_mb_emit_ldarg (mb, 0);
8964 mono_mb_emit_byte (mb, CEE_RET);
8966 mono_mb_patch_branch (mb, cache_miss_pos);
8967 /*if (mono_object_isinst (obj, klass)) */
8968 mono_mb_emit_ldarg (mb, 0);
8969 mono_mb_emit_ldarg (mb, 1);
8970 mono_mb_emit_icall (mb, mono_object_isinst);
8971 invalid_cast_pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
8973 /**cache = obj_vtable;*/
8974 mono_mb_emit_ldarg (mb, 2);
8975 mono_mb_emit_ldloc (mb, 0);
8976 mono_mb_emit_byte (mb, CEE_STIND_I);
8979 mono_mb_emit_ldarg (mb, 0);
8980 mono_mb_emit_byte (mb, CEE_RET);
8983 mono_mb_patch_branch (mb, invalid_cast_pos);
8984 mono_mb_emit_exception (mb, "InvalidCastException", NULL);
8987 mono_mb_patch_branch (mb, return_null_pos);
8988 mono_mb_emit_byte (mb, CEE_LDNULL);
8989 mono_mb_emit_byte (mb, CEE_RET);
8991 res = mono_mb_create_method (mb, sig, 8);
8992 if (InterlockedCompareExchangePointer ((volatile gpointer *)&cached, res, NULL)) {
8993 mono_free_method (res);
8994 mono_metadata_free_method_signature (sig);
9002 * This does the equivalent of mono_object_isinst_with_cache.
9005 mono_marshal_get_isinst_with_cache (void)
9007 static MonoMethod *cached;
9009 MonoMethodBuilder *mb;
9010 MonoMethodSignature *sig;
9011 int return_null_pos, cache_miss_pos, cache_hit_pos, not_an_instance_pos, negative_cache_hit_pos;
9016 mb = mono_mb_new (mono_defaults.object_class, "__isisnt_with_cache", MONO_WRAPPER_CASTCLASS);
9017 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
9018 sig->params [0] = &mono_defaults.object_class->byval_arg;
9019 sig->params [1] = &mono_defaults.int_class->byval_arg;
9020 sig->params [2] = &mono_defaults.int_class->byval_arg;
9021 sig->ret = &mono_defaults.object_class->byval_arg;
9024 /* allocate local 0 (pointer) obj_vtable */
9025 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9026 /* allocate local 1 (pointer) cached_vtable */
9027 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9030 mono_mb_emit_ldarg (mb, 0);
9031 return_null_pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
9033 /*obj_vtable = obj->vtable;*/
9034 mono_mb_emit_ldarg (mb, 0);
9035 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
9036 mono_mb_emit_byte (mb, CEE_LDIND_I);
9037 mono_mb_emit_stloc (mb, 0);
9039 /* cached_vtable = *cache*/
9040 mono_mb_emit_ldarg (mb, 2);
9041 mono_mb_emit_byte (mb, CEE_LDIND_I);
9042 mono_mb_emit_stloc (mb, 1);
9044 mono_mb_emit_ldloc (mb, 1);
9045 mono_mb_emit_byte (mb, CEE_LDC_I4);
9046 mono_mb_emit_i4 (mb, ~0x1);
9047 mono_mb_emit_byte (mb, CEE_CONV_U);
9048 mono_mb_emit_byte (mb, CEE_AND);
9049 mono_mb_emit_ldloc (mb, 0);
9050 /*if ((cached_vtable & ~0x1)== obj_vtable)*/
9051 cache_miss_pos = mono_mb_emit_branch (mb, CEE_BNE_UN);
9053 /*return (cached_vtable & 0x1) ? NULL : obj;*/
9054 mono_mb_emit_ldloc (mb, 1);
9055 mono_mb_emit_byte(mb, CEE_LDC_I4_1);
9056 mono_mb_emit_byte (mb, CEE_CONV_U);
9057 mono_mb_emit_byte (mb, CEE_AND);
9058 negative_cache_hit_pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
9061 mono_mb_emit_ldarg (mb, 0);
9062 cache_hit_pos = mono_mb_emit_branch (mb, CEE_BR);
9065 mono_mb_patch_branch (mb, negative_cache_hit_pos);
9066 mono_mb_emit_byte (mb, CEE_LDNULL);
9068 mono_mb_patch_branch (mb, cache_hit_pos);
9069 mono_mb_emit_byte (mb, CEE_RET);
9071 mono_mb_patch_branch (mb, cache_miss_pos);
9072 /*if (mono_object_isinst (obj, klass)) */
9073 mono_mb_emit_ldarg (mb, 0);
9074 mono_mb_emit_ldarg (mb, 1);
9075 mono_mb_emit_icall (mb, mono_object_isinst);
9076 not_an_instance_pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
9078 /**cache = obj_vtable;*/
9079 mono_mb_emit_ldarg (mb, 2);
9080 mono_mb_emit_ldloc (mb, 0);
9081 mono_mb_emit_byte (mb, CEE_STIND_I);
9084 mono_mb_emit_ldarg (mb, 0);
9085 mono_mb_emit_byte (mb, CEE_RET);
9088 mono_mb_patch_branch (mb, not_an_instance_pos);
9089 /* *cache = (gpointer)(obj_vtable | 0x1);*/
9090 mono_mb_emit_ldarg (mb, 2);
9091 /*obj_vtable | 0x1*/
9092 mono_mb_emit_ldloc (mb, 0);
9093 mono_mb_emit_byte(mb, CEE_LDC_I4_1);
9094 mono_mb_emit_byte (mb, CEE_CONV_U);
9095 mono_mb_emit_byte (mb, CEE_OR);
9098 mono_mb_emit_byte (mb, CEE_STIND_I);
9101 mono_mb_patch_branch (mb, return_null_pos);
9102 mono_mb_emit_byte (mb, CEE_LDNULL);
9103 mono_mb_emit_byte (mb, CEE_RET);
9105 res = mono_mb_create_method (mb, sig, 8);
9106 if (InterlockedCompareExchangePointer ((volatile gpointer *)&cached, res, NULL)) {
9107 mono_free_method (res);
9108 mono_metadata_free_method_signature (sig);
9116 * mono_marshal_get_isinst:
9117 * @klass: the type of the field
9119 * This method generates a function which can be used to check if an object is
9120 * an instance of the given type, icluding the case where the object is a proxy.
9121 * The generated function has the following signature:
9122 * MonoObject* __isinst_wrapper_ (MonoObject *obj)
9125 mono_marshal_get_isinst (MonoClass *klass)
9127 static MonoMethodSignature *isint_sig = NULL;
9130 int pos_was_ok, pos_failed, pos_end, pos_end2;
9132 MonoMethodBuilder *mb;
9134 cache = get_cache (&klass->image->isinst_cache, mono_aligned_addr_hash, NULL);
9135 if ((res = mono_marshal_find_in_cache (cache, klass)))
9139 isint_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
9140 isint_sig->params [0] = &mono_defaults.object_class->byval_arg;
9141 isint_sig->ret = &mono_defaults.object_class->byval_arg;
9142 isint_sig->pinvoke = 0;
9145 name = g_strdup_printf ("__isinst_wrapper_%s", klass->name);
9146 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_ISINST);
9149 mb->method->save_lmf = 1;
9151 /* check if the object is a proxy that needs special cast */
9152 mono_mb_emit_ldarg (mb, 0);
9153 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
9154 mono_mb_emit_op (mb, CEE_MONO_CISINST, klass);
9156 /* The result of MONO_ISINST can be:
9157 0) the type check succeeded
9158 1) the type check did not succeed
9159 2) a CanCastTo call is needed */
9161 mono_mb_emit_byte (mb, CEE_DUP);
9162 pos_was_ok = mono_mb_emit_branch (mb, CEE_BRFALSE);
9164 mono_mb_emit_byte (mb, CEE_LDC_I4_2);
9165 pos_failed = mono_mb_emit_branch (mb, CEE_BNE_UN);
9167 /* get the real proxy from the transparent proxy*/
9169 mono_mb_emit_ldarg (mb, 0);
9170 mono_mb_emit_managed_call (mb, mono_marshal_get_proxy_cancast (klass), NULL);
9171 pos_end = mono_mb_emit_branch (mb, CEE_BR);
9175 mono_mb_patch_branch (mb, pos_failed);
9176 mono_mb_emit_byte (mb, CEE_LDNULL);
9177 pos_end2 = mono_mb_emit_branch (mb, CEE_BR);
9181 mono_mb_patch_branch (mb, pos_was_ok);
9182 mono_mb_emit_byte (mb, CEE_POP);
9183 mono_mb_emit_ldarg (mb, 0);
9187 mono_mb_patch_branch (mb, pos_end);
9188 mono_mb_patch_branch (mb, pos_end2);
9189 mono_mb_emit_byte (mb, CEE_RET);
9191 res = mono_mb_create_and_cache (cache, klass, mb, isint_sig, isint_sig->param_count + 16);
9198 * mono_marshal_get_castclass:
9199 * @klass: the type of the field
9201 * This method generates a function which can be used to cast an object to
9202 * an instance of the given type, icluding the case where the object is a proxy.
9203 * The generated function has the following signature:
9204 * MonoObject* __castclass_wrapper_ (MonoObject *obj)
9207 mono_marshal_get_castclass (MonoClass *klass)
9209 static MonoMethodSignature *castclass_sig = NULL;
9212 int pos_was_ok, pos_was_ok2;
9214 MonoMethodBuilder *mb;
9216 cache = get_cache (&klass->image->castclass_cache, mono_aligned_addr_hash, NULL);
9217 if ((res = mono_marshal_find_in_cache (cache, klass)))
9220 if (!castclass_sig) {
9221 castclass_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
9222 castclass_sig->params [0] = &mono_defaults.object_class->byval_arg;
9223 castclass_sig->ret = &mono_defaults.object_class->byval_arg;
9224 castclass_sig->pinvoke = 0;
9227 name = g_strdup_printf ("__castclass_wrapper_%s", klass->name);
9228 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_CASTCLASS);
9231 mb->method->save_lmf = 1;
9233 /* check if the object is a proxy that needs special cast */
9234 mono_mb_emit_ldarg (mb, 0);
9235 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
9236 mono_mb_emit_op (mb, CEE_MONO_CCASTCLASS, klass);
9238 /* The result of MONO_ISINST can be:
9239 0) the cast is valid
9240 1) cast of unknown proxy type
9241 or an exception if the cast is is invalid
9244 pos_was_ok = mono_mb_emit_branch (mb, CEE_BRFALSE);
9246 /* get the real proxy from the transparent proxy*/
9248 mono_mb_emit_ldarg (mb, 0);
9249 mono_mb_emit_managed_call (mb, mono_marshal_get_proxy_cancast (klass), NULL);
9250 pos_was_ok2 = mono_mb_emit_branch (mb, CEE_BRTRUE);
9253 mono_mb_emit_exception (mb, "InvalidCastException", NULL);
9256 mono_mb_patch_branch (mb, pos_was_ok);
9257 mono_mb_patch_branch (mb, pos_was_ok2);
9258 mono_mb_emit_ldarg (mb, 0);
9261 mono_mb_emit_byte (mb, CEE_RET);
9263 res = mono_mb_create_and_cache (cache, klass, mb, castclass_sig, castclass_sig->param_count + 16);
9270 mono_marshal_get_proxy_cancast (MonoClass *klass)
9272 static MonoMethodSignature *isint_sig = NULL;
9275 int pos_failed, pos_end;
9277 MonoMethod *can_cast_to;
9278 MonoMethodDesc *desc;
9279 MonoMethodBuilder *mb;
9281 cache = get_cache (&klass->image->proxy_isinst_cache, mono_aligned_addr_hash, NULL);
9282 if ((res = mono_marshal_find_in_cache (cache, klass)))
9286 isint_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
9287 isint_sig->params [0] = &mono_defaults.object_class->byval_arg;
9288 isint_sig->ret = &mono_defaults.object_class->byval_arg;
9289 isint_sig->pinvoke = 0;
9292 name = g_strdup_printf ("__proxy_isinst_wrapper_%s", klass->name);
9293 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_PROXY_ISINST);
9296 mb->method->save_lmf = 1;
9298 /* get the real proxy from the transparent proxy*/
9299 mono_mb_emit_ldarg (mb, 0);
9300 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
9301 mono_mb_emit_byte (mb, CEE_LDIND_REF);
9303 /* get the reflection type from the type handle */
9304 mono_mb_emit_ptr (mb, &klass->byval_arg);
9305 mono_mb_emit_icall (mb, type_from_handle);
9307 mono_mb_emit_ldarg (mb, 0);
9309 /* make the call to CanCastTo (type, ob) */
9310 desc = mono_method_desc_new ("IRemotingTypeInfo:CanCastTo", FALSE);
9311 can_cast_to = mono_method_desc_search_in_class (desc, mono_defaults.iremotingtypeinfo_class);
9312 g_assert (can_cast_to);
9313 mono_method_desc_free (desc);
9314 mono_mb_emit_op (mb, CEE_CALLVIRT, can_cast_to);
9316 pos_failed = mono_mb_emit_branch (mb, CEE_BRFALSE);
9318 /* Upgrade the proxy vtable by calling: mono_upgrade_remote_class_wrapper (type, ob)*/
9319 mono_mb_emit_ptr (mb, &klass->byval_arg);
9320 mono_mb_emit_icall (mb, type_from_handle);
9321 mono_mb_emit_ldarg (mb, 0);
9323 mono_mb_emit_icall (mb, mono_upgrade_remote_class_wrapper);
9324 emit_thread_interrupt_checkpoint (mb);
9326 mono_mb_emit_ldarg (mb, 0);
9327 pos_end = mono_mb_emit_branch (mb, CEE_BR);
9331 mono_mb_patch_branch (mb, pos_failed);
9332 mono_mb_emit_byte (mb, CEE_LDNULL);
9336 mono_mb_patch_branch (mb, pos_end);
9337 mono_mb_emit_byte (mb, CEE_RET);
9339 res = mono_mb_create_and_cache (cache, klass, mb, isint_sig, isint_sig->param_count + 16);
9346 mono_upgrade_remote_class_wrapper (MonoReflectionType *rtype, MonoTransparentProxy *tproxy)
9349 MonoDomain *domain = ((MonoObject*)tproxy)->vtable->domain;
9350 klass = mono_class_from_mono_type (rtype->type);
9351 mono_upgrade_remote_class (domain, (MonoObject*)tproxy, klass);
9355 * mono_marshal_get_struct_to_ptr:
9358 * generates IL code for StructureToPtr (object structure, IntPtr ptr, bool fDeleteOld)
9361 mono_marshal_get_struct_to_ptr (MonoClass *klass)
9363 MonoMethodBuilder *mb;
9364 static MonoMethod *stoptr = NULL;
9367 g_assert (klass != NULL);
9369 mono_marshal_load_type_info (klass);
9371 if (klass->marshal_info->str_to_ptr)
9372 return klass->marshal_info->str_to_ptr;
9375 stoptr = mono_class_get_method_from_name (mono_defaults.marshal_class, "StructureToPtr", 3);
9378 mb = mono_mb_new (klass, stoptr->name, MONO_WRAPPER_UNKNOWN);
9380 if (klass->blittable) {
9381 mono_mb_emit_byte (mb, CEE_LDARG_1);
9382 mono_mb_emit_byte (mb, CEE_LDARG_0);
9383 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
9384 mono_mb_emit_icon (mb, mono_class_value_size (klass, NULL));
9385 mono_mb_emit_byte (mb, CEE_PREFIX1);
9386 mono_mb_emit_byte (mb, CEE_CPBLK);
9389 /* allocate local 0 (pointer) src_ptr */
9390 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9391 /* allocate local 1 (pointer) dst_ptr */
9392 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9393 /* allocate local 2 (boolean) delete_old */
9394 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
9395 mono_mb_emit_byte (mb, CEE_LDARG_2);
9396 mono_mb_emit_stloc (mb, 2);
9398 /* initialize src_ptr to point to the start of object data */
9399 mono_mb_emit_byte (mb, CEE_LDARG_0);
9400 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
9401 mono_mb_emit_stloc (mb, 0);
9403 /* initialize dst_ptr */
9404 mono_mb_emit_byte (mb, CEE_LDARG_1);
9405 mono_mb_emit_stloc (mb, 1);
9407 emit_struct_conv (mb, klass, FALSE);
9410 mono_mb_emit_byte (mb, CEE_RET);
9412 res = mono_mb_create_method (mb, mono_signature_no_pinvoke (stoptr), 0);
9415 klass->marshal_info->str_to_ptr = res;
9420 * mono_marshal_get_ptr_to_struct:
9423 * generates IL code for PtrToStructure (IntPtr src, object structure)
9426 mono_marshal_get_ptr_to_struct (MonoClass *klass)
9428 MonoMethodBuilder *mb;
9429 static MonoMethodSignature *ptostr = NULL;
9432 g_assert (klass != NULL);
9434 mono_marshal_load_type_info (klass);
9436 if (klass->marshal_info->ptr_to_str)
9437 return klass->marshal_info->ptr_to_str;
9440 MonoMethodSignature *sig;
9442 /* Create the signature corresponding to
9443 static void PtrToStructure (IntPtr ptr, object structure);
9444 defined in class/corlib/System.Runtime.InteropServices/Marshal.cs */
9445 sig = mono_create_icall_signature ("void ptr object");
9446 sig = signature_dup (mono_defaults.corlib, sig);
9448 mono_memory_barrier ();
9452 mb = mono_mb_new (klass, "PtrToStructure", MONO_WRAPPER_UNKNOWN);
9454 if (klass->blittable) {
9455 mono_mb_emit_byte (mb, CEE_LDARG_1);
9456 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
9457 mono_mb_emit_byte (mb, CEE_LDARG_0);
9458 mono_mb_emit_icon (mb, mono_class_value_size (klass, NULL));
9459 mono_mb_emit_byte (mb, CEE_PREFIX1);
9460 mono_mb_emit_byte (mb, CEE_CPBLK);
9463 /* allocate local 0 (pointer) src_ptr */
9464 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9465 /* allocate local 1 (pointer) dst_ptr */
9466 mono_mb_add_local (mb, &klass->this_arg);
9468 /* initialize src_ptr to point to the start of object data */
9469 mono_mb_emit_byte (mb, CEE_LDARG_0);
9470 mono_mb_emit_stloc (mb, 0);
9472 /* initialize dst_ptr */
9473 mono_mb_emit_byte (mb, CEE_LDARG_1);
9474 mono_mb_emit_op (mb, CEE_UNBOX, klass);
9475 mono_mb_emit_stloc (mb, 1);
9477 emit_struct_conv (mb, klass, TRUE);
9480 mono_mb_emit_byte (mb, CEE_RET);
9482 res = mono_mb_create_method (mb, ptostr, 0);
9485 klass->marshal_info->ptr_to_str = res;
9490 * generates IL code for the synchronized wrapper: the generated method
9491 * calls METHOD while locking 'this' or the parent type.
9494 mono_marshal_get_synchronized_wrapper (MonoMethod *method)
9496 static MonoMethod *enter_method, *exit_method, *gettypefromhandle_method;
9497 MonoMethodSignature *sig;
9498 MonoExceptionClause *clause;
9499 MonoMethodBuilder *mb;
9502 int i, pos, this_local, ret_local = 0;
9506 if (method->wrapper_type == MONO_WRAPPER_SYNCHRONIZED)
9509 cache = get_cache (&method->klass->image->synchronized_cache, mono_aligned_addr_hash, NULL);
9510 if ((res = mono_marshal_find_in_cache (cache, method)))
9513 sig = signature_dup (method->klass->image, mono_method_signature (method));
9516 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_SYNCHRONIZED);
9519 if (!MONO_TYPE_IS_VOID (sig->ret))
9520 ret_local = mono_mb_add_local (mb, sig->ret);
9522 if (method->klass->valuetype && !(method->flags & MONO_METHOD_ATTR_STATIC)) {
9523 mono_class_set_failure (method->klass, MONO_EXCEPTION_TYPE_LOAD, NULL);
9524 /* This will throw the type load exception when the wrapper is compiled */
9525 mono_mb_emit_byte (mb, CEE_LDNULL);
9526 mono_mb_emit_op (mb, CEE_ISINST, method->klass);
9527 mono_mb_emit_byte (mb, CEE_POP);
9529 if (!MONO_TYPE_IS_VOID (sig->ret))
9530 mono_mb_emit_ldloc (mb, ret_local);
9531 mono_mb_emit_byte (mb, CEE_RET);
9533 res = mono_mb_create_and_cache (cache, method,
9534 mb, sig, sig->param_count + 16);
9541 this_local = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
9543 clause = mono_image_alloc0 (method->klass->image, sizeof (MonoExceptionClause));
9544 clause->flags = MONO_EXCEPTION_CLAUSE_FINALLY;
9546 mono_loader_lock ();
9548 if (!enter_method) {
9549 MonoMethodDesc *desc;
9551 desc = mono_method_desc_new ("Monitor:Enter", FALSE);
9552 enter_method = mono_method_desc_search_in_class (desc, mono_defaults.monitor_class);
9553 g_assert (enter_method);
9554 mono_method_desc_free (desc);
9556 desc = mono_method_desc_new ("Monitor:Exit", FALSE);
9557 exit_method = mono_method_desc_search_in_class (desc, mono_defaults.monitor_class);
9558 g_assert (exit_method);
9559 mono_method_desc_free (desc);
9561 desc = mono_method_desc_new ("Type:GetTypeFromHandle", FALSE);
9562 gettypefromhandle_method = mono_method_desc_search_in_class (desc, mono_defaults.monotype_class->parent);
9563 g_assert (gettypefromhandle_method);
9564 mono_method_desc_free (desc);
9567 mono_loader_unlock ();
9569 /* Push this or the type object */
9570 if (method->flags & METHOD_ATTRIBUTE_STATIC) {
9571 /* We have special handling for this in the JIT */
9572 int index = mono_mb_add_data (mb, method->klass);
9573 mono_mb_add_data (mb, mono_defaults.typehandle_class);
9574 mono_mb_emit_byte (mb, CEE_LDTOKEN);
9575 mono_mb_emit_i4 (mb, index);
9577 mono_mb_emit_managed_call (mb, gettypefromhandle_method, NULL);
9580 mono_mb_emit_ldarg (mb, 0);
9581 mono_mb_emit_stloc (mb, this_local);
9583 /* Call Monitor::Enter() */
9584 mono_mb_emit_ldloc (mb, this_local);
9585 mono_mb_emit_managed_call (mb, enter_method, NULL);
9587 clause->try_offset = mono_mb_get_label (mb);
9589 /* Call the method */
9591 mono_mb_emit_ldarg (mb, 0);
9592 for (i = 0; i < sig->param_count; i++)
9593 mono_mb_emit_ldarg (mb, i + (sig->hasthis == TRUE));
9595 mono_mb_emit_managed_call (mb, method, NULL);
9597 if (!MONO_TYPE_IS_VOID (sig->ret))
9598 mono_mb_emit_stloc (mb, ret_local);
9600 pos = mono_mb_emit_branch (mb, CEE_LEAVE);
9602 clause->try_len = mono_mb_get_pos (mb) - clause->try_offset;
9603 clause->handler_offset = mono_mb_get_label (mb);
9605 /* Call Monitor::Exit() */
9606 mono_mb_emit_ldloc (mb, this_local);
9607 mono_mb_emit_managed_call (mb, exit_method, NULL);
9608 mono_mb_emit_byte (mb, CEE_ENDFINALLY);
9610 clause->handler_len = mono_mb_get_pos (mb) - clause->handler_offset;
9612 mono_mb_patch_branch (mb, pos);
9613 if (!MONO_TYPE_IS_VOID (sig->ret))
9614 mono_mb_emit_ldloc (mb, ret_local);
9615 mono_mb_emit_byte (mb, CEE_RET);
9617 mono_mb_set_clauses (mb, 1, clause);
9619 res = mono_mb_create_and_cache (cache, method,
9620 mb, sig, sig->param_count + 16);
9628 * the returned method calls 'method' unboxing the this argument
9631 mono_marshal_get_unbox_wrapper (MonoMethod *method)
9633 MonoMethodSignature *sig = mono_method_signature (method);
9635 MonoMethodBuilder *mb;
9639 cache = get_cache (&method->klass->image->unbox_wrapper_cache, mono_aligned_addr_hash, NULL);
9640 if ((res = mono_marshal_find_in_cache (cache, method)))
9643 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_UNBOX);
9645 g_assert (sig->hasthis);
9647 mono_mb_emit_ldarg (mb, 0);
9648 mono_mb_emit_icon (mb, sizeof (MonoObject));
9649 mono_mb_emit_byte (mb, CEE_ADD);
9650 for (i = 0; i < sig->param_count; ++i)
9651 mono_mb_emit_ldarg (mb, i + 1);
9652 mono_mb_emit_managed_call (mb, method, NULL);
9653 mono_mb_emit_byte (mb, CEE_RET);
9655 res = mono_mb_create_and_cache (cache, method,
9656 mb, sig, sig->param_count + 16);
9659 /* code_for (res); */
9665 STELEMREF_OBJECT, /*no check at all*/
9666 STELEMREF_SEALED_CLASS, /*check vtable->klass->element_type */
9667 STELEMREF_CLASS, /*only the klass->parents check*/
9668 STELEMREF_INTERFACE, /*interfaces without variant generic arguments. */
9669 STELEMREF_COMPLEX, /*arrays, MBR or types with variant generic args - go straight to icalls*/
9670 STELEMREF_KIND_COUNT
9673 static const char *strelemref_wrapper_name[] = {
9674 "object", "sealed_class", "class", "interface", "complex"
9678 is_monomorphic_array (MonoClass *klass)
9680 MonoClass *element_class;
9681 if (klass->rank != 1)
9684 element_class = klass->element_class;
9685 return (element_class->flags & TYPE_ATTRIBUTE_SEALED) || element_class->valuetype;
9689 get_virtual_stelemref_kind (MonoClass *element_class)
9691 if (element_class == mono_defaults.object_class)
9692 return STELEMREF_OBJECT;
9693 if (is_monomorphic_array (element_class))
9694 return STELEMREF_SEALED_CLASS;
9695 if (MONO_CLASS_IS_INTERFACE (element_class) && !mono_class_has_variant_generic_params (element_class))
9696 return STELEMREF_INTERFACE;
9697 /*Arrays are sealed but are covariant on their element type, We can't use any of the fast paths.*/
9698 if (element_class->marshalbyref || element_class->rank || mono_class_has_variant_generic_params (element_class))
9699 return STELEMREF_COMPLEX;
9700 if (element_class->flags & TYPE_ATTRIBUTE_SEALED)
9701 return STELEMREF_SEALED_CLASS;
9702 return STELEMREF_CLASS;
9706 load_array_element_address (MonoMethodBuilder *mb)
9708 mono_mb_emit_ldarg (mb, 0);
9709 mono_mb_emit_ldarg (mb, 1);
9710 mono_mb_emit_op (mb, CEE_LDELEMA, mono_defaults.object_class);
9714 load_array_class (MonoMethodBuilder *mb, int aklass)
9716 mono_mb_emit_ldarg (mb, 0);
9717 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
9718 mono_mb_emit_byte (mb, CEE_LDIND_I);
9719 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, klass));
9720 mono_mb_emit_byte (mb, CEE_LDIND_I);
9721 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, element_class));
9722 mono_mb_emit_byte (mb, CEE_LDIND_I);
9723 mono_mb_emit_stloc (mb, aklass);
9727 load_value_class (MonoMethodBuilder *mb, int vklass)
9729 mono_mb_emit_ldarg (mb, 2);
9730 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
9731 mono_mb_emit_byte (mb, CEE_LDIND_I);
9732 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, klass));
9733 mono_mb_emit_byte (mb, CEE_LDIND_I);
9734 mono_mb_emit_stloc (mb, vklass);
9739 record_slot_vstore (MonoObject *array, size_t index, MonoObject *value)
9741 char *name = mono_type_get_full_name (array->vtable->klass->element_class);
9742 printf ("slow vstore of %s\n", name);
9748 * The wrapper info for the wrapper contains the wrapper 'kind' + 1.
9751 * - Separate simple interfaces from variant interfaces or mbr types. This way we can avoid the icall for them.
9752 * - Emit a (new) mono bytecode that produces OP_COND_EXC_NE_UN to raise ArrayTypeMismatch
9753 * - Maybe mve some MonoClass field into the vtable to reduce the number of loads
9754 * - Add a case for arrays of arrays.
9757 mono_marshal_get_virtual_stelemref (MonoClass *array_class)
9759 static MonoMethod *cached_methods [STELEMREF_KIND_COUNT] = { NULL }; /*object iface sealed regular*/
9760 static MonoMethodSignature *signature;
9761 MonoMethodBuilder *mb;
9767 int aklass, vklass, vtable, uiid;
9768 int array_slot_addr;
9770 g_assert (array_class->rank == 1);
9771 kind = get_virtual_stelemref_kind (array_class->element_class);
9773 if (cached_methods [kind])
9774 return cached_methods [kind];
9776 name = g_strdup_printf ("virt_stelemref_%s", strelemref_wrapper_name [kind]);
9777 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_STELEMREF);
9781 MonoMethodSignature *sig = mono_metadata_signature_alloc (mono_defaults.corlib, 2);
9783 /* void this::stelemref (size_t idx, void* value) */
9784 sig->ret = &mono_defaults.void_class->byval_arg;
9785 sig->hasthis = TRUE;
9786 sig->params [0] = &mono_defaults.int_class->byval_arg; /* this is a natural sized int */
9787 sig->params [1] = &mono_defaults.object_class->byval_arg;
9791 /*For now simply call plain old stelemref*/
9793 case STELEMREF_OBJECT:
9794 /* ldelema (implicit bound check) */
9795 load_array_element_address (mb);
9797 mono_mb_emit_ldarg (mb, 2);
9798 mono_mb_emit_byte (mb, CEE_STIND_REF);
9799 mono_mb_emit_byte (mb, CEE_RET);
9802 case STELEMREF_COMPLEX:
9804 <ldelema (bound check)>
9807 if (!mono_object_isinst (value, aklass))
9811 *array_slot_addr = value;
9814 throw new ArrayTypeMismatchException ();
9817 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9818 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
9822 /*Use this to debug/record stores that are going thru the slow path*/
9823 MonoMethodSignature *csig;
9824 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
9825 csig->ret = &mono_defaults.void_class->byval_arg;
9826 csig->params [0] = &mono_defaults.object_class->byval_arg;
9827 csig->params [1] = &mono_defaults.int_class->byval_arg; /* this is a natural sized int */
9828 csig->params [2] = &mono_defaults.object_class->byval_arg;
9829 mono_mb_emit_ldarg (mb, 0);
9830 mono_mb_emit_ldarg (mb, 1);
9831 mono_mb_emit_ldarg (mb, 2);
9832 mono_mb_emit_native_call (mb, csig, record_slot_vstore);
9836 /* ldelema (implicit bound check) */
9837 load_array_element_address (mb);
9838 mono_mb_emit_stloc (mb, array_slot_addr);
9840 /* if (!value) goto do_store */
9841 mono_mb_emit_ldarg (mb, 2);
9842 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
9844 /* aklass = array->vtable->klass->element_class */
9845 load_array_class (mb, aklass);
9847 /*if (mono_object_isinst (value, aklass)) */
9848 mono_mb_emit_ldarg (mb, 2);
9849 mono_mb_emit_ldloc (mb, aklass);
9850 mono_mb_emit_icall (mb, mono_object_isinst);
9851 b2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
9854 mono_mb_patch_branch (mb, b1);
9855 mono_mb_emit_ldloc (mb, array_slot_addr);
9856 mono_mb_emit_ldarg (mb, 2);
9857 mono_mb_emit_byte (mb, CEE_STIND_REF);
9858 mono_mb_emit_byte (mb, CEE_RET);
9861 mono_mb_patch_branch (mb, b2);
9863 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
9866 case STELEMREF_SEALED_CLASS:
9868 <ldelema (bound check)>
9872 aklass = array->vtable->klass->element_class;
9873 vklass = value->vtable->klass;
9875 if (vklass != aklass)
9879 *array_slot_addr = value;
9882 throw new ArrayTypeMismatchException ();
9884 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9885 vklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9886 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
9889 /* ldelema (implicit bound check) */
9890 load_array_element_address (mb);
9891 mono_mb_emit_stloc (mb, array_slot_addr);
9893 /* if (!value) goto do_store */
9894 mono_mb_emit_ldarg (mb, 2);
9895 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
9897 /* aklass = array->vtable->klass->element_class */
9898 load_array_class (mb, aklass);
9900 /* vklass = value->vtable->klass */
9901 load_value_class (mb, vklass);
9903 /*if (vklass != aklass) goto do_exception; */
9904 mono_mb_emit_ldloc (mb, aklass);
9905 mono_mb_emit_ldloc (mb, vklass);
9906 b2 = mono_mb_emit_branch (mb, CEE_BNE_UN);
9909 mono_mb_patch_branch (mb, b1);
9910 mono_mb_emit_ldloc (mb, array_slot_addr);
9911 mono_mb_emit_ldarg (mb, 2);
9912 mono_mb_emit_byte (mb, CEE_STIND_REF);
9913 mono_mb_emit_byte (mb, CEE_RET);
9916 mono_mb_patch_branch (mb, b2);
9917 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
9920 case STELEMREF_CLASS:
9923 <ldelema (bound check)>
9927 aklass = array->vtable->klass->element_class;
9928 vklass = value->vtable->klass;
9930 if (vklass->idepth < aklass->idepth)
9933 if (vklass->supertypes [aklass->idepth - 1] != aklass)
9937 *array_slot_addr = value;
9941 throw new ArrayTypeMismatchException ();
9943 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9944 vklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9945 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
9947 /* ldelema (implicit bound check) */
9948 load_array_element_address (mb);
9949 mono_mb_emit_stloc (mb, array_slot_addr);
9951 /* if (!value) goto do_store */
9952 mono_mb_emit_ldarg (mb, 2);
9953 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
9955 /* aklass = array->vtable->klass->element_class */
9956 load_array_class (mb, aklass);
9958 /* vklass = value->vtable->klass */
9959 load_value_class (mb, vklass);
9961 /*if (mono_object_isinst (value, aklass)) */
9962 mono_mb_emit_ldarg (mb, 2);
9963 mono_mb_emit_ldloc (mb, aklass);
9964 mono_mb_emit_icall (mb, mono_object_isinst);
9965 b2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
9967 /* if (vklass->idepth < aklass->idepth) goto failue */
9968 mono_mb_emit_ldloc (mb, vklass);
9969 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
9970 mono_mb_emit_byte (mb, CEE_LDIND_U2);
9972 mono_mb_emit_ldloc (mb, aklass);
9973 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
9974 mono_mb_emit_byte (mb, CEE_LDIND_U2);
9976 b2 = mono_mb_emit_branch (mb, CEE_BLT_UN);
9978 /* if (vklass->supertypes [aklass->idepth - 1] != aklass) goto failure */
9979 mono_mb_emit_ldloc (mb, vklass);
9980 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, supertypes));
9981 mono_mb_emit_byte (mb, CEE_LDIND_I);
9983 mono_mb_emit_ldloc (mb, aklass);
9984 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
9985 mono_mb_emit_byte (mb, CEE_LDIND_U2);
9986 mono_mb_emit_icon (mb, 1);
9987 mono_mb_emit_byte (mb, CEE_SUB);
9988 mono_mb_emit_icon (mb, sizeof (void*));
9989 mono_mb_emit_byte (mb, CEE_MUL);
9990 mono_mb_emit_byte (mb, CEE_ADD);
9991 mono_mb_emit_byte (mb, CEE_LDIND_I);
9993 mono_mb_emit_ldloc (mb, aklass);
9994 b3 = mono_mb_emit_branch (mb, CEE_BNE_UN);
9997 mono_mb_patch_branch (mb, b1);
9998 mono_mb_emit_ldloc (mb, array_slot_addr);
9999 mono_mb_emit_ldarg (mb, 2);
10000 mono_mb_emit_byte (mb, CEE_STIND_REF);
10001 mono_mb_emit_byte (mb, CEE_RET);
10003 /* do_exception: */
10004 mono_mb_patch_branch (mb, b2);
10005 mono_mb_patch_branch (mb, b3);
10007 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
10010 case STELEMREF_INTERFACE:
10017 klass = array->obj.vtable->klass->element_class;
10018 vt = value->vtable;
10019 uiid = klass->interface_id;
10020 if (uiid > vt->max_interface_id)
10022 if (!(vt->interface_bitmap [(uiid) >> 3] & (1 << ((uiid)&7))))
10025 mono_array_setref (array, index, value);
10028 mono_raise_exception (mono_get_exception_array_type_mismatch ());*/
10030 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
10031 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10032 vtable = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10033 uiid = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
10035 /* ldelema (implicit bound check) */
10036 load_array_element_address (mb);
10037 mono_mb_emit_stloc (mb, array_slot_addr);
10039 /* if (!value) goto do_store */
10040 mono_mb_emit_ldarg (mb, 2);
10041 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
10043 /* klass = array->vtable->klass->element_class */
10044 load_array_class (mb, aklass);
10046 /* vt = value->vtable */
10047 mono_mb_emit_ldarg (mb, 2);
10048 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
10049 mono_mb_emit_byte (mb, CEE_LDIND_I);
10050 mono_mb_emit_stloc (mb, vtable);
10052 /* uiid = klass->interface_id; */
10053 mono_mb_emit_ldloc (mb, aklass);
10054 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, interface_id));
10055 mono_mb_emit_byte (mb, CEE_LDIND_U2);
10056 mono_mb_emit_stloc (mb, uiid);
10058 /*if (uiid > vt->max_interface_id)*/
10059 mono_mb_emit_ldloc (mb, uiid);
10060 mono_mb_emit_ldloc (mb, vtable);
10061 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, max_interface_id));
10062 mono_mb_emit_byte (mb, CEE_LDIND_U2);
10063 b2 = mono_mb_emit_branch (mb, CEE_BGT_UN);
10065 /* if (!(vt->interface_bitmap [(uiid) >> 3] & (1 << ((uiid)&7)))) */
10067 /*vt->interface_bitmap*/
10068 mono_mb_emit_ldloc (mb, vtable);
10069 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, interface_bitmap));
10070 mono_mb_emit_byte (mb, CEE_LDIND_I);
10073 mono_mb_emit_ldloc (mb, uiid);
10074 mono_mb_emit_icon (mb, 3);
10075 mono_mb_emit_byte (mb, CEE_SHR_UN);
10077 /*vt->interface_bitmap [(uiid) >> 3]*/
10078 mono_mb_emit_byte (mb, CEE_ADD); /*interface_bitmap is a guint8 array*/
10079 mono_mb_emit_byte (mb, CEE_LDIND_U1);
10081 /*(1 << ((uiid)&7)))*/
10082 mono_mb_emit_icon (mb, 1);
10083 mono_mb_emit_ldloc (mb, uiid);
10084 mono_mb_emit_icon (mb, 7);
10085 mono_mb_emit_byte (mb, CEE_AND);
10086 mono_mb_emit_byte (mb, CEE_SHL);
10088 /*bitwise and the whole thing*/
10089 mono_mb_emit_byte (mb, CEE_AND);
10090 b3 = mono_mb_emit_branch (mb, CEE_BRFALSE);
10093 mono_mb_patch_branch (mb, b1);
10094 mono_mb_emit_ldloc (mb, array_slot_addr);
10095 mono_mb_emit_ldarg (mb, 2);
10096 mono_mb_emit_byte (mb, CEE_STIND_REF);
10097 mono_mb_emit_byte (mb, CEE_RET);
10099 /* do_exception: */
10100 mono_mb_patch_branch (mb, b2);
10101 mono_mb_patch_branch (mb, b3);
10102 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
10106 mono_mb_emit_ldarg (mb, 0);
10107 mono_mb_emit_ldarg (mb, 1);
10108 mono_mb_emit_ldarg (mb, 2);
10109 mono_mb_emit_managed_call (mb, mono_marshal_get_stelemref (), NULL);
10110 mono_mb_emit_byte (mb, CEE_RET);
10114 res = mono_mb_create_method (mb, signature, 4);
10115 res->flags |= METHOD_ATTRIBUTE_VIRTUAL;
10116 mono_marshal_set_wrapper_info (res, GUINT_TO_POINTER (kind + 1));
10117 cached_methods [kind] = res;
10124 mono_marshal_get_stelemref ()
10126 static MonoMethod* ret = NULL;
10127 MonoMethodSignature *sig;
10128 MonoMethodBuilder *mb;
10130 guint32 b1, b2, b3, b4;
10132 int aklass, vklass;
10133 int array_slot_addr;
10138 mb = mono_mb_new (mono_defaults.object_class, "stelemref", MONO_WRAPPER_STELEMREF);
10141 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
10143 /* void stelemref (void* array, int idx, void* value) */
10144 sig->ret = &mono_defaults.void_class->byval_arg;
10145 sig->params [0] = &mono_defaults.object_class->byval_arg;
10146 sig->params [1] = &mono_defaults.int_class->byval_arg; /* this is a natural sized int */
10147 sig->params [2] = &mono_defaults.object_class->byval_arg;
10149 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10150 vklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10151 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
10155 <ldelema (bound check)>
10159 aklass = array->vtable->klass->element_class;
10160 vklass = value->vtable->klass;
10162 if (vklass->idepth < aklass->idepth)
10165 if (vklass->supertypes [aklass->idepth - 1] != aklass)
10169 *array_slot_addr = value;
10173 if (mono_object_isinst (value, aklass))
10176 throw new ArrayTypeMismatchException ();
10179 /* ldelema (implicit bound check) */
10180 mono_mb_emit_ldarg (mb, 0);
10181 mono_mb_emit_ldarg (mb, 1);
10182 mono_mb_emit_op (mb, CEE_LDELEMA, mono_defaults.object_class);
10183 mono_mb_emit_stloc (mb, array_slot_addr);
10185 /* if (!value) goto do_store */
10186 mono_mb_emit_ldarg (mb, 2);
10187 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
10189 /* aklass = array->vtable->klass->element_class */
10190 mono_mb_emit_ldarg (mb, 0);
10191 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
10192 mono_mb_emit_byte (mb, CEE_LDIND_I);
10193 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, klass));
10194 mono_mb_emit_byte (mb, CEE_LDIND_I);
10195 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, element_class));
10196 mono_mb_emit_byte (mb, CEE_LDIND_I);
10197 mono_mb_emit_stloc (mb, aklass);
10199 /* vklass = value->vtable->klass */
10200 mono_mb_emit_ldarg (mb, 2);
10201 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
10202 mono_mb_emit_byte (mb, CEE_LDIND_I);
10203 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, klass));
10204 mono_mb_emit_byte (mb, CEE_LDIND_I);
10205 mono_mb_emit_stloc (mb, vklass);
10207 /* if (vklass->idepth < aklass->idepth) goto failue */
10208 mono_mb_emit_ldloc (mb, vklass);
10209 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
10210 mono_mb_emit_byte (mb, CEE_LDIND_U2);
10212 mono_mb_emit_ldloc (mb, aklass);
10213 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
10214 mono_mb_emit_byte (mb, CEE_LDIND_U2);
10216 b2 = mono_mb_emit_branch (mb, CEE_BLT_UN);
10218 /* if (vklass->supertypes [aklass->idepth - 1] != aklass) goto failure */
10219 mono_mb_emit_ldloc (mb, vklass);
10220 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, supertypes));
10221 mono_mb_emit_byte (mb, CEE_LDIND_I);
10223 mono_mb_emit_ldloc (mb, aklass);
10224 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
10225 mono_mb_emit_byte (mb, CEE_LDIND_U2);
10226 mono_mb_emit_icon (mb, 1);
10227 mono_mb_emit_byte (mb, CEE_SUB);
10228 mono_mb_emit_icon (mb, sizeof (void*));
10229 mono_mb_emit_byte (mb, CEE_MUL);
10230 mono_mb_emit_byte (mb, CEE_ADD);
10231 mono_mb_emit_byte (mb, CEE_LDIND_I);
10233 mono_mb_emit_ldloc (mb, aklass);
10235 b3 = mono_mb_emit_branch (mb, CEE_BNE_UN);
10237 copy_pos = mono_mb_get_label (mb);
10239 mono_mb_patch_branch (mb, b1);
10240 mono_mb_emit_ldloc (mb, array_slot_addr);
10241 mono_mb_emit_ldarg (mb, 2);
10242 mono_mb_emit_byte (mb, CEE_STIND_REF);
10244 mono_mb_emit_byte (mb, CEE_RET);
10247 mono_mb_patch_branch (mb, b2);
10248 mono_mb_patch_branch (mb, b3);
10250 mono_mb_emit_ldarg (mb, 2);
10251 mono_mb_emit_ldloc (mb, aklass);
10252 mono_mb_emit_icall (mb, mono_object_isinst);
10254 b4 = mono_mb_emit_branch (mb, CEE_BRTRUE);
10255 mono_mb_patch_addr (mb, b4, copy_pos - (b4 + 4));
10256 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
10258 mono_mb_emit_byte (mb, CEE_RET);
10259 ret = mono_mb_create_method (mb, sig, 4);
10267 MonoMethod *method;
10270 /* LOCKING: vars accessed under the marshal lock */
10271 static ArrayElemAddr *elem_addr_cache = NULL;
10272 static int elem_addr_cache_size = 0;
10273 static int elem_addr_cache_next = 0;
10276 * mono_marshal_get_array_address:
10277 * @rank: rank of the array type
10278 * @elem_size: size in bytes of an element of an array.
10280 * Returns a MonoMethd that implements the code to get the address
10281 * of an element in a multi-dimenasional array of @rank dimensions.
10282 * The returned method takes an array as the first argument and then
10283 * @rank indexes for the @rank dimensions.
10286 mono_marshal_get_array_address (int rank, int elem_size)
10289 MonoMethodBuilder *mb;
10290 MonoMethodSignature *sig;
10291 int i, bounds, ind, realidx;
10292 int branch_pos, *branch_positions;
10296 mono_marshal_lock ();
10297 for (i = 0; i < elem_addr_cache_next; ++i) {
10298 if (elem_addr_cache [i].rank == rank && elem_addr_cache [i].elem_size == elem_size) {
10299 ret = elem_addr_cache [i].method;
10303 mono_marshal_unlock ();
10307 branch_positions = g_new0 (int, rank);
10309 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1 + rank);
10311 /* void* address (void* array, int idx0, int idx1, int idx2, ...) */
10312 sig->ret = &mono_defaults.int_class->byval_arg;
10313 sig->params [0] = &mono_defaults.object_class->byval_arg;
10314 for (i = 0; i < rank; ++i) {
10315 sig->params [i + 1] = &mono_defaults.int32_class->byval_arg;
10318 mb = mono_mb_new (mono_defaults.object_class, "ElementAddr", MONO_WRAPPER_MANAGED_TO_MANAGED);
10320 bounds = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10321 ind = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
10322 realidx = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
10324 /* bounds = array->bounds; */
10325 mono_mb_emit_ldarg (mb, 0);
10326 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoArray, bounds));
10327 mono_mb_emit_byte (mb, CEE_LDIND_I);
10328 mono_mb_emit_stloc (mb, bounds);
10330 /* ind is the overall element index, realidx is the partial index in a single dimension */
10331 /* ind = idx0 - bounds [0].lower_bound */
10332 mono_mb_emit_ldarg (mb, 1);
10333 mono_mb_emit_ldloc (mb, bounds);
10334 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArrayBounds, lower_bound));
10335 mono_mb_emit_byte (mb, CEE_ADD);
10336 mono_mb_emit_byte (mb, CEE_LDIND_I4);
10337 mono_mb_emit_byte (mb, CEE_SUB);
10338 mono_mb_emit_stloc (mb, ind);
10339 /* if (ind >= bounds [0].length) goto exeception; */
10340 mono_mb_emit_ldloc (mb, ind);
10341 mono_mb_emit_ldloc (mb, bounds);
10342 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArrayBounds, length));
10343 mono_mb_emit_byte (mb, CEE_ADD);
10344 mono_mb_emit_byte (mb, CEE_LDIND_I4);
10345 /* note that we use unsigned comparison */
10346 branch_pos = mono_mb_emit_branch (mb, CEE_BGE_UN);
10348 /* For large ranks (> 4?) use a loop n IL later to reduce code size.
10349 * We could also decide to ignore the passed elem_size and get it
10350 * from the array object, to reduce the number of methods we generate:
10351 * the additional cost is 3 memory loads and a non-immediate mul.
10353 for (i = 1; i < rank; ++i) {
10354 /* realidx = idxi - bounds [i].lower_bound */
10355 mono_mb_emit_ldarg (mb, 1 + i);
10356 mono_mb_emit_ldloc (mb, bounds);
10357 mono_mb_emit_icon (mb, (i * sizeof (MonoArrayBounds)) + G_STRUCT_OFFSET (MonoArrayBounds, lower_bound));
10358 mono_mb_emit_byte (mb, CEE_ADD);
10359 mono_mb_emit_byte (mb, CEE_LDIND_I4);
10360 mono_mb_emit_byte (mb, CEE_SUB);
10361 mono_mb_emit_stloc (mb, realidx);
10362 /* if (realidx >= bounds [i].length) goto exeception; */
10363 mono_mb_emit_ldloc (mb, realidx);
10364 mono_mb_emit_ldloc (mb, bounds);
10365 mono_mb_emit_icon (mb, (i * sizeof (MonoArrayBounds)) + G_STRUCT_OFFSET (MonoArrayBounds, length));
10366 mono_mb_emit_byte (mb, CEE_ADD);
10367 mono_mb_emit_byte (mb, CEE_LDIND_I4);
10368 branch_positions [i] = mono_mb_emit_branch (mb, CEE_BGE_UN);
10369 /* ind = ind * bounds [i].length + realidx */
10370 mono_mb_emit_ldloc (mb, ind);
10371 mono_mb_emit_ldloc (mb, bounds);
10372 mono_mb_emit_icon (mb, (i * sizeof (MonoArrayBounds)) + G_STRUCT_OFFSET (MonoArrayBounds, length));
10373 mono_mb_emit_byte (mb, CEE_ADD);
10374 mono_mb_emit_byte (mb, CEE_LDIND_I4);
10375 mono_mb_emit_byte (mb, CEE_MUL);
10376 mono_mb_emit_ldloc (mb, realidx);
10377 mono_mb_emit_byte (mb, CEE_ADD);
10378 mono_mb_emit_stloc (mb, ind);
10381 /* return array->vector + ind * element_size */
10382 mono_mb_emit_ldarg (mb, 0);
10383 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoArray, vector));
10384 mono_mb_emit_ldloc (mb, ind);
10385 mono_mb_emit_icon (mb, elem_size);
10386 mono_mb_emit_byte (mb, CEE_MUL);
10387 mono_mb_emit_byte (mb, CEE_ADD);
10388 mono_mb_emit_byte (mb, CEE_RET);
10390 /* patch the branches to get here and throw */
10391 for (i = 1; i < rank; ++i) {
10392 mono_mb_patch_branch (mb, branch_positions [i]);
10394 mono_mb_patch_branch (mb, branch_pos);
10395 /* throw exception */
10396 mono_mb_emit_exception (mb, "IndexOutOfRangeException", NULL);
10398 g_free (branch_positions);
10399 ret = mono_mb_create_method (mb, sig, 4);
10402 /* cache the result */
10404 mono_marshal_lock ();
10405 for (i = 0; i < elem_addr_cache_next; ++i) {
10406 if (elem_addr_cache [i].rank == rank && elem_addr_cache [i].elem_size == elem_size) {
10407 /* FIXME: free ret */
10408 ret = elem_addr_cache [i].method;
10414 ElementAddrWrapperInfo *info;
10416 if (elem_addr_cache_next >= elem_addr_cache_size) {
10417 int new_size = elem_addr_cache_size + 4;
10418 ArrayElemAddr *new_array = g_new0 (ArrayElemAddr, new_size);
10419 memcpy (new_array, elem_addr_cache, elem_addr_cache_size * sizeof (ArrayElemAddr));
10420 g_free (elem_addr_cache);
10421 elem_addr_cache = new_array;
10422 elem_addr_cache_size = new_size;
10424 elem_addr_cache [elem_addr_cache_next].rank = rank;
10425 elem_addr_cache [elem_addr_cache_next].elem_size = elem_size;
10426 elem_addr_cache [elem_addr_cache_next].method = ret;
10428 info = mono_image_alloc0 (mono_defaults.corlib, sizeof (ElementAddrWrapperInfo));
10430 info->elem_size = elem_size;
10432 mono_marshal_set_wrapper_info (ret, info);
10434 mono_marshal_unlock ();
10439 mono_marshal_alloc (gulong size)
10444 res = CoTaskMemAlloc (size);
10446 res = g_try_malloc ((gulong)size);
10448 mono_gc_out_of_memory ((gulong)size);
10454 mono_marshal_free (gpointer ptr)
10457 CoTaskMemFree (ptr);
10464 mono_marshal_free_array (gpointer *ptr, int size)
10471 for (i = 0; i < size; i++)
10477 mono_marshal_string_to_utf16 (MonoString *s)
10479 return s ? mono_string_chars (s) : NULL;
10483 mono_marshal_string_to_utf16_copy (MonoString *s)
10488 gunichar2 *res = mono_marshal_alloc ((mono_string_length (s) * 2) + 2);
10489 memcpy (res, mono_string_chars (s), mono_string_length (s) * 2);
10490 res [mono_string_length (s)] = 0;
10496 * mono_marshal_set_last_error:
10498 * This function is invoked to set the last error value from a P/Invoke call
10499 * which has SetLastError set.
10502 mono_marshal_set_last_error (void)
10505 TlsSetValue (last_error_tls_id, GINT_TO_POINTER (GetLastError ()));
10507 TlsSetValue (last_error_tls_id, GINT_TO_POINTER (errno));
10512 mono_marshal_set_last_error_windows (int error)
10515 TlsSetValue (last_error_tls_id, GINT_TO_POINTER (error));
10520 ves_icall_System_Runtime_InteropServices_Marshal_copy_to_unmanaged (MonoArray *src, gint32 start_index,
10521 gpointer dest, gint32 length)
10526 MONO_ARCH_SAVE_REGS;
10528 MONO_CHECK_ARG_NULL (src);
10529 MONO_CHECK_ARG_NULL (dest);
10531 if (src->obj.vtable->klass->rank != 1)
10532 mono_raise_exception (mono_get_exception_argument ("array", "array is multi-dimensional"));
10533 if (start_index < 0)
10534 mono_raise_exception (mono_get_exception_argument ("startIndex", "Must be >= 0"));
10536 mono_raise_exception (mono_get_exception_argument ("length", "Must be >= 0"));
10537 if (start_index + length > mono_array_length (src))
10538 mono_raise_exception (mono_get_exception_argument ("length", "start_index + length > array length"));
10540 element_size = mono_array_element_size (src->obj.vtable->klass);
10542 /* no references should be involved */
10543 source_addr = mono_array_addr_with_size (src, element_size, start_index);
10545 memcpy (dest, source_addr, length * element_size);
10549 ves_icall_System_Runtime_InteropServices_Marshal_copy_from_unmanaged (gpointer src, gint32 start_index,
10550 MonoArray *dest, gint32 length)
10555 MONO_ARCH_SAVE_REGS;
10557 MONO_CHECK_ARG_NULL (src);
10558 MONO_CHECK_ARG_NULL (dest);
10560 if (dest->obj.vtable->klass->rank != 1)
10561 mono_raise_exception (mono_get_exception_argument ("array", "array is multi-dimensional"));
10562 if (start_index < 0)
10563 mono_raise_exception (mono_get_exception_argument ("startIndex", "Must be >= 0"));
10565 mono_raise_exception (mono_get_exception_argument ("length", "Must be >= 0"));
10566 if (start_index + length > mono_array_length (dest))
10567 mono_raise_exception (mono_get_exception_argument ("length", "start_index + length > array length"));
10569 element_size = mono_array_element_size (dest->obj.vtable->klass);
10571 /* no references should be involved */
10572 dest_addr = mono_array_addr_with_size (dest, element_size, start_index);
10574 memcpy (dest_addr, src, length * element_size);
10577 #if NO_UNALIGNED_ACCESS
10578 #define RETURN_UNALIGNED(type, addr) \
10581 memcpy(&val, p + offset, sizeof(val)); \
10584 #define WRITE_UNALIGNED(type, addr, val) \
10585 memcpy(addr, &val, sizeof(type))
10587 #define RETURN_UNALIGNED(type, addr) \
10588 return *(type*)(p + offset);
10589 #define WRITE_UNALIGNED(type, addr, val) \
10590 (*(type *)(addr) = (val))
10594 ves_icall_System_Runtime_InteropServices_Marshal_ReadIntPtr (gpointer ptr, gint32 offset)
10598 MONO_ARCH_SAVE_REGS;
10600 RETURN_UNALIGNED(gpointer, p + offset);
10604 ves_icall_System_Runtime_InteropServices_Marshal_ReadByte (gpointer ptr, gint32 offset)
10608 MONO_ARCH_SAVE_REGS;
10610 return *(unsigned char*)(p + offset);
10614 ves_icall_System_Runtime_InteropServices_Marshal_ReadInt16 (gpointer ptr, gint32 offset)
10618 MONO_ARCH_SAVE_REGS;
10620 RETURN_UNALIGNED(gint16, p + offset);
10624 ves_icall_System_Runtime_InteropServices_Marshal_ReadInt32 (gpointer ptr, gint32 offset)
10628 MONO_ARCH_SAVE_REGS;
10630 RETURN_UNALIGNED(gint32, p + offset);
10634 ves_icall_System_Runtime_InteropServices_Marshal_ReadInt64 (gpointer ptr, gint32 offset)
10638 MONO_ARCH_SAVE_REGS;
10640 RETURN_UNALIGNED(gint64, p + offset);
10644 ves_icall_System_Runtime_InteropServices_Marshal_WriteByte (gpointer ptr, gint32 offset, unsigned char val)
10648 MONO_ARCH_SAVE_REGS;
10650 *(unsigned char*)(p + offset) = val;
10654 ves_icall_System_Runtime_InteropServices_Marshal_WriteIntPtr (gpointer ptr, gint32 offset, gpointer val)
10658 MONO_ARCH_SAVE_REGS;
10660 WRITE_UNALIGNED(gpointer, p + offset, val);
10664 ves_icall_System_Runtime_InteropServices_Marshal_WriteInt16 (gpointer ptr, gint32 offset, gint16 val)
10668 MONO_ARCH_SAVE_REGS;
10670 WRITE_UNALIGNED(gint16, p + offset, val);
10674 ves_icall_System_Runtime_InteropServices_Marshal_WriteInt32 (gpointer ptr, gint32 offset, gint32 val)
10678 MONO_ARCH_SAVE_REGS;
10680 WRITE_UNALIGNED(gint32, p + offset, val);
10684 ves_icall_System_Runtime_InteropServices_Marshal_WriteInt64 (gpointer ptr, gint32 offset, gint64 val)
10688 MONO_ARCH_SAVE_REGS;
10690 WRITE_UNALIGNED(gint64, p + offset, val);
10694 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringAnsi (char *ptr)
10696 MONO_ARCH_SAVE_REGS;
10701 return mono_string_new (mono_domain_get (), ptr);
10705 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringAnsi_len (char *ptr, gint32 len)
10707 MONO_ARCH_SAVE_REGS;
10710 mono_raise_exception (mono_get_exception_argument_null ("ptr"));
10711 g_assert_not_reached ();
10714 return mono_string_new_len (mono_domain_get (), ptr, len);
10719 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringUni (guint16 *ptr)
10721 MonoDomain *domain = mono_domain_get ();
10725 MONO_ARCH_SAVE_REGS;
10733 return mono_string_new_utf16 (domain, ptr, len);
10737 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringUni_len (guint16 *ptr, gint32 len)
10739 MonoDomain *domain = mono_domain_get ();
10741 MONO_ARCH_SAVE_REGS;
10744 mono_raise_exception (mono_get_exception_argument_null ("ptr"));
10745 g_assert_not_reached ();
10748 return mono_string_new_utf16 (domain, ptr, len);
10753 ves_icall_System_Runtime_InteropServices_Marshal_GetLastWin32Error (void)
10755 MONO_ARCH_SAVE_REGS;
10757 return (GPOINTER_TO_INT (TlsGetValue (last_error_tls_id)));
10761 ves_icall_System_Runtime_InteropServices_Marshal_SizeOf (MonoReflectionType *rtype)
10767 MONO_ARCH_SAVE_REGS;
10769 MONO_CHECK_ARG_NULL (rtype);
10771 type = rtype->type;
10772 klass = mono_class_from_mono_type (type);
10773 if (!mono_class_init (klass))
10774 mono_raise_exception (mono_class_get_exception_for_failure (klass));
10776 layout = (klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK);
10778 if (layout == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
10780 MonoException *exc;
10782 msg = g_strdup_printf ("Type %s cannot be marshaled as an unmanaged structure.", klass->name);
10783 exc = mono_get_exception_argument ("t", msg);
10785 mono_raise_exception (exc);
10789 return mono_class_native_size (klass, NULL);
10793 ves_icall_System_Runtime_InteropServices_Marshal_StructureToPtr (MonoObject *obj, gpointer dst, MonoBoolean delete_old)
10795 MonoMethod *method;
10798 MONO_ARCH_SAVE_REGS;
10800 MONO_CHECK_ARG_NULL (obj);
10801 MONO_CHECK_ARG_NULL (dst);
10803 method = mono_marshal_get_struct_to_ptr (obj->vtable->klass);
10807 pa [2] = &delete_old;
10809 mono_runtime_invoke (method, NULL, pa, NULL);
10813 ptr_to_structure (gpointer src, MonoObject *dst)
10815 MonoMethod *method;
10818 method = mono_marshal_get_ptr_to_struct (dst->vtable->klass);
10823 mono_runtime_invoke (method, NULL, pa, NULL);
10827 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure (gpointer src, MonoObject *dst)
10831 MONO_ARCH_SAVE_REGS;
10833 MONO_CHECK_ARG_NULL (src);
10834 MONO_CHECK_ARG_NULL (dst);
10836 t = mono_type_get_underlying_type (mono_class_get_type (dst->vtable->klass));
10838 if (t->type == MONO_TYPE_VALUETYPE) {
10839 MonoException *exc;
10842 tmp = g_strdup_printf ("Destination is a boxed value type.");
10843 exc = mono_get_exception_argument ("dst", tmp);
10846 mono_raise_exception (exc);
10850 ptr_to_structure (src, dst);
10854 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure_type (gpointer src, MonoReflectionType *type)
10857 MonoDomain *domain = mono_domain_get ();
10860 MONO_ARCH_SAVE_REGS;
10862 MONO_CHECK_ARG_NULL (src);
10863 MONO_CHECK_ARG_NULL (type);
10865 klass = mono_class_from_mono_type (type->type);
10866 if (!mono_class_init (klass))
10867 mono_raise_exception (mono_class_get_exception_for_failure (klass));
10869 res = mono_object_new (domain, klass);
10871 ptr_to_structure (src, res);
10877 ves_icall_System_Runtime_InteropServices_Marshal_OffsetOf (MonoReflectionType *type, MonoString *field_name)
10879 MonoMarshalType *info;
10882 int match_index = -1;
10884 MONO_ARCH_SAVE_REGS;
10886 MONO_CHECK_ARG_NULL (type);
10887 MONO_CHECK_ARG_NULL (field_name);
10889 fname = mono_string_to_utf8 (field_name);
10890 klass = mono_class_from_mono_type (type->type);
10891 if (!mono_class_init (klass))
10892 mono_raise_exception (mono_class_get_exception_for_failure (klass));
10894 while (klass && match_index == -1) {
10895 MonoClassField* field;
10897 gpointer iter = NULL;
10898 while ((field = mono_class_get_fields (klass, &iter))) {
10899 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
10901 if (!strcmp (fname, mono_field_get_name (field))) {
10908 if (match_index == -1)
10909 klass = klass->parent;
10914 if(match_index == -1) {
10915 MonoException* exc;
10918 /* Get back original class instance */
10919 klass = mono_class_from_mono_type (type->type);
10921 tmp = g_strdup_printf ("Field passed in is not a marshaled member of the type %s", klass->name);
10922 exc = mono_get_exception_argument ("fieldName", tmp);
10925 mono_raise_exception ((MonoException*)exc);
10928 info = mono_marshal_load_type_info (klass);
10929 return info->fields [match_index].offset;
10933 ves_icall_System_Runtime_InteropServices_Marshal_StringToHGlobalAnsi (MonoString *string)
10938 tres = mono_string_to_utf8 (string);
10942 len = strlen (tres) + 1;
10943 ret = ves_icall_System_Runtime_InteropServices_Marshal_AllocHGlobal (len);
10944 memcpy (ret, tres, len);
10949 return mono_string_to_utf8 (string);
10954 ves_icall_System_Runtime_InteropServices_Marshal_StringToHGlobalUni (MonoString *string)
10956 MONO_ARCH_SAVE_REGS;
10958 if (string == NULL)
10961 #ifdef TARGET_WIN32
10962 gunichar2 *res = ves_icall_System_Runtime_InteropServices_Marshal_AllocHGlobal
10963 ((mono_string_length (string) + 1) * 2);
10965 gunichar2 *res = g_malloc ((mono_string_length (string) + 1) * 2);
10967 memcpy (res, mono_string_chars (string), mono_string_length (string) * 2);
10968 res [mono_string_length (string)] = 0;
10974 mono_struct_delete_old (MonoClass *klass, char *ptr)
10976 MonoMarshalType *info;
10979 info = mono_marshal_load_type_info (klass);
10981 for (i = 0; i < info->num_fields; i++) {
10982 MonoMarshalNative ntype;
10983 MonoMarshalConv conv;
10984 MonoType *ftype = info->fields [i].field->type;
10987 if (ftype->attrs & FIELD_ATTRIBUTE_STATIC)
10990 ntype = mono_type_to_unmanaged (ftype, info->fields [i].mspec, TRUE,
10991 klass->unicode, &conv);
10993 cpos = ptr + info->fields [i].offset;
10996 case MONO_MARSHAL_CONV_NONE:
10997 if (MONO_TYPE_ISSTRUCT (ftype)) {
10998 mono_struct_delete_old (ftype->data.klass, cpos);
11002 case MONO_MARSHAL_CONV_STR_LPWSTR:
11003 /* We assume this field points inside a MonoString */
11005 case MONO_MARSHAL_CONV_STR_LPTSTR:
11006 #ifdef TARGET_WIN32
11007 /* We assume this field points inside a MonoString
11011 case MONO_MARSHAL_CONV_STR_LPSTR:
11012 case MONO_MARSHAL_CONV_STR_BSTR:
11013 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
11014 case MONO_MARSHAL_CONV_STR_TBSTR:
11015 mono_marshal_free (*(gpointer *)cpos);
11025 ves_icall_System_Runtime_InteropServices_Marshal_DestroyStructure (gpointer src, MonoReflectionType *type)
11029 MONO_ARCH_SAVE_REGS;
11031 MONO_CHECK_ARG_NULL (src);
11032 MONO_CHECK_ARG_NULL (type);
11034 klass = mono_class_from_mono_type (type->type);
11035 if (!mono_class_init (klass))
11036 mono_raise_exception (mono_class_get_exception_for_failure (klass));
11038 mono_struct_delete_old (klass, (char *)src);
11042 ves_icall_System_Runtime_InteropServices_Marshal_AllocHGlobal (int size)
11046 MONO_ARCH_SAVE_REGS;
11048 if ((gulong)size == 0)
11049 /* This returns a valid pointer for size 0 on MS.NET */
11053 res = GlobalAlloc (GMEM_FIXED, (gulong)size);
11055 res = g_try_malloc ((gulong)size);
11058 mono_gc_out_of_memory ((gulong)size);
11064 ves_icall_System_Runtime_InteropServices_Marshal_ReAllocHGlobal (gpointer ptr, int size)
11069 mono_gc_out_of_memory ((gulong)size);
11074 res = GlobalReAlloc (ptr, (gulong)size, GMEM_MOVEABLE);
11076 res = g_try_realloc (ptr, (gulong)size);
11079 mono_gc_out_of_memory ((gulong)size);
11085 ves_icall_System_Runtime_InteropServices_Marshal_FreeHGlobal (void *ptr)
11087 MONO_ARCH_SAVE_REGS;
11097 ves_icall_System_Runtime_InteropServices_Marshal_AllocCoTaskMem (int size)
11099 MONO_ARCH_SAVE_REGS;
11102 return CoTaskMemAlloc (size);
11104 return g_try_malloc ((gulong)size);
11109 ves_icall_System_Runtime_InteropServices_Marshal_FreeCoTaskMem (void *ptr)
11111 MONO_ARCH_SAVE_REGS;
11114 CoTaskMemFree (ptr);
11121 ves_icall_System_Runtime_InteropServices_Marshal_ReAllocCoTaskMem (gpointer ptr, int size)
11123 MONO_ARCH_SAVE_REGS;
11126 return CoTaskMemRealloc (ptr, size);
11128 return g_try_realloc (ptr, (gulong)size);
11133 ves_icall_System_Runtime_InteropServices_Marshal_UnsafeAddrOfPinnedArrayElement (MonoArray *arrayobj, int index)
11135 return mono_array_addr_with_size (arrayobj, mono_array_element_size (arrayobj->obj.vtable->klass), index);
11139 ves_icall_System_Runtime_InteropServices_Marshal_GetDelegateForFunctionPointerInternal (void *ftn, MonoReflectionType *type)
11141 MonoClass *klass = mono_type_get_class (type->type);
11142 if (!mono_class_init (klass))
11143 mono_raise_exception (mono_class_get_exception_for_failure (klass));
11145 return mono_ftnptr_to_delegate (klass, ftn);
11149 * mono_marshal_is_loading_type_info:
11151 * Return whenever mono_marshal_load_type_info () is being executed for KLASS by this
11155 mono_marshal_is_loading_type_info (MonoClass *klass)
11157 GSList *loads_list = TlsGetValue (load_type_info_tls_id);
11159 return g_slist_find (loads_list, klass) != NULL;
11163 * mono_marshal_load_type_info:
11165 * Initialize klass->marshal_info using information from metadata. This function can
11166 * recursively call itself, and the caller is responsible to avoid that by calling
11167 * mono_marshal_is_loading_type_info () beforehand.
11169 * LOCKING: Acquires the loader lock.
11172 mono_marshal_load_type_info (MonoClass* klass)
11175 guint32 native_size = 0, min_align = 1, packing;
11176 MonoMarshalType *info;
11177 MonoClassField* field;
11180 GSList *loads_list;
11182 g_assert (klass != NULL);
11184 if (klass->marshal_info)
11185 return klass->marshal_info;
11187 if (!klass->inited)
11188 mono_class_init (klass);
11190 mono_loader_lock ();
11192 if (klass->marshal_info) {
11193 mono_loader_unlock ();
11194 return klass->marshal_info;
11198 * This function can recursively call itself, so we keep the list of classes which are
11199 * under initialization in a TLS list.
11201 g_assert (!mono_marshal_is_loading_type_info (klass));
11202 loads_list = TlsGetValue (load_type_info_tls_id);
11203 loads_list = g_slist_prepend (loads_list, klass);
11204 TlsSetValue (load_type_info_tls_id, loads_list);
11207 while ((field = mono_class_get_fields (klass, &iter))) {
11208 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
11210 if (mono_field_is_deleted (field))
11215 layout = klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK;
11217 /* The mempool is protected by the loader lock */
11218 info = mono_image_alloc0 (klass->image, MONO_SIZEOF_MARSHAL_TYPE + sizeof (MonoMarshalField) * count);
11219 info->num_fields = count;
11221 /* Try to find a size for this type in metadata */
11222 mono_metadata_packing_from_typedef (klass->image, klass->type_token, NULL, &native_size);
11224 if (klass->parent) {
11225 int parent_size = mono_class_native_size (klass->parent, NULL);
11227 /* Add parent size to real size */
11228 native_size += parent_size;
11229 info->native_size = parent_size;
11232 packing = klass->packing_size ? klass->packing_size : 8;
11235 while ((field = mono_class_get_fields (klass, &iter))) {
11239 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
11242 if (mono_field_is_deleted (field))
11244 if (field->type->attrs & FIELD_ATTRIBUTE_HAS_FIELD_MARSHAL)
11245 mono_metadata_field_info_with_mempool (klass->image, mono_metadata_token_index (mono_class_get_field_token (field)) - 1,
11246 NULL, NULL, &info->fields [j].mspec);
11248 info->fields [j].field = field;
11250 if ((mono_class_num_fields (klass) == 1) && (klass->instance_size == sizeof (MonoObject)) &&
11251 (strcmp (mono_field_get_name (field), "$PRIVATE$") == 0)) {
11252 /* This field is a hack inserted by MCS to empty structures */
11257 case TYPE_ATTRIBUTE_AUTO_LAYOUT:
11258 case TYPE_ATTRIBUTE_SEQUENTIAL_LAYOUT:
11259 size = mono_marshal_type_size (field->type, info->fields [j].mspec,
11260 &align, TRUE, klass->unicode);
11261 align = klass->packing_size ? MIN (klass->packing_size, align): align;
11262 min_align = MAX (align, min_align);
11263 info->fields [j].offset = info->native_size;
11264 info->fields [j].offset += align - 1;
11265 info->fields [j].offset &= ~(align - 1);
11266 info->native_size = info->fields [j].offset + size;
11268 case TYPE_ATTRIBUTE_EXPLICIT_LAYOUT:
11269 size = mono_marshal_type_size (field->type, info->fields [j].mspec,
11270 &align, TRUE, klass->unicode);
11271 min_align = packing;
11272 info->fields [j].offset = field->offset - sizeof (MonoObject);
11273 info->native_size = MAX (info->native_size, info->fields [j].offset + size);
11279 if (layout != TYPE_ATTRIBUTE_AUTO_LAYOUT) {
11280 info->native_size = MAX (native_size, info->native_size);
11282 * If the provided Size is equal or larger than the calculated size, and there
11283 * was no Pack attribute, we set min_align to 1 to avoid native_size being increased
11285 if (layout == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT)
11286 if (native_size && native_size == info->native_size && klass->packing_size == 0)
11290 if (info->native_size & (min_align - 1)) {
11291 info->native_size += min_align - 1;
11292 info->native_size &= ~(min_align - 1);
11295 info->min_align = min_align;
11297 /* Update the class's blittable info, if the layouts don't match */
11298 if (info->native_size != mono_class_value_size (klass, NULL))
11299 klass->blittable = FALSE;
11301 /* If this is an array type, ensure that we have element info */
11302 if (klass->rank && !mono_marshal_is_loading_type_info (klass->element_class)) {
11303 mono_marshal_load_type_info (klass->element_class);
11306 loads_list = TlsGetValue (load_type_info_tls_id);
11307 loads_list = g_slist_remove (loads_list, klass);
11308 TlsSetValue (load_type_info_tls_id, loads_list);
11310 /*We do double-checking locking on marshal_info */
11311 mono_memory_barrier ();
11313 klass->marshal_info = info;
11315 mono_loader_unlock ();
11317 return klass->marshal_info;
11321 * mono_class_native_size:
11324 * Returns: the native size of an object instance (when marshaled
11325 * to unmanaged code)
11328 mono_class_native_size (MonoClass *klass, guint32 *align)
11330 if (!klass->marshal_info) {
11331 if (mono_marshal_is_loading_type_info (klass)) {
11336 mono_marshal_load_type_info (klass);
11341 *align = klass->marshal_info->min_align;
11343 return klass->marshal_info->native_size;
11346 /* __alignof__ returns the preferred alignment of values not the actual alignment used by
11347 the compiler so is wrong e.g. for Linux where doubles are aligned on a 4 byte boundary
11348 but __alignof__ returns 8 - using G_STRUCT_OFFSET works better */
11349 #define ALIGNMENT(type) G_STRUCT_OFFSET(struct { char c; type x; }, x)
11352 * mono_type_native_stack_size:
11353 * @t: the type to return the size it uses on the stack
11355 * Returns: the number of bytes required to hold an instance of this
11356 * type on the native stack
11359 mono_type_native_stack_size (MonoType *t, guint32 *align)
11363 g_assert (t != NULL);
11369 *align = sizeof (gpointer);
11370 return sizeof (gpointer);
11374 case MONO_TYPE_BOOLEAN:
11375 case MONO_TYPE_CHAR:
11386 case MONO_TYPE_STRING:
11387 case MONO_TYPE_OBJECT:
11388 case MONO_TYPE_CLASS:
11389 case MONO_TYPE_SZARRAY:
11390 case MONO_TYPE_PTR:
11391 case MONO_TYPE_FNPTR:
11392 case MONO_TYPE_ARRAY:
11393 *align = sizeof (gpointer);
11394 return sizeof (gpointer);
11399 *align = ALIGNMENT (gdouble);
11403 *align = ALIGNMENT (glong);
11405 case MONO_TYPE_GENERICINST:
11406 if (!mono_type_generic_inst_is_valuetype (t)) {
11407 *align = sizeof (gpointer);
11408 return sizeof (gpointer);
11411 case MONO_TYPE_TYPEDBYREF:
11412 case MONO_TYPE_VALUETYPE: {
11414 MonoClass *klass = mono_class_from_mono_type (t);
11416 if (klass->enumtype)
11417 return mono_type_native_stack_size (mono_class_enum_basetype (klass), align);
11419 size = mono_class_native_size (klass, align);
11420 *align = *align + 3;
11430 g_error ("type 0x%02x unknown", t->type);
11436 mono_marshal_type_size (MonoType *type, MonoMarshalSpec *mspec, guint32 *align,
11437 gboolean as_field, gboolean unicode)
11439 MonoMarshalNative native_type = mono_type_to_unmanaged (type, mspec, as_field, unicode, NULL);
11442 switch (native_type) {
11443 case MONO_NATIVE_BOOLEAN:
11446 case MONO_NATIVE_I1:
11447 case MONO_NATIVE_U1:
11450 case MONO_NATIVE_I2:
11451 case MONO_NATIVE_U2:
11452 case MONO_NATIVE_VARIANTBOOL:
11455 case MONO_NATIVE_I4:
11456 case MONO_NATIVE_U4:
11457 case MONO_NATIVE_ERROR:
11460 case MONO_NATIVE_I8:
11461 case MONO_NATIVE_U8:
11462 *align = ALIGNMENT(guint64);
11464 case MONO_NATIVE_R4:
11467 case MONO_NATIVE_R8:
11468 *align = ALIGNMENT(double);
11470 case MONO_NATIVE_INT:
11471 case MONO_NATIVE_UINT:
11472 case MONO_NATIVE_LPSTR:
11473 case MONO_NATIVE_LPWSTR:
11474 case MONO_NATIVE_LPTSTR:
11475 case MONO_NATIVE_BSTR:
11476 case MONO_NATIVE_ANSIBSTR:
11477 case MONO_NATIVE_TBSTR:
11478 case MONO_NATIVE_LPARRAY:
11479 case MONO_NATIVE_SAFEARRAY:
11480 case MONO_NATIVE_IUNKNOWN:
11481 case MONO_NATIVE_IDISPATCH:
11482 case MONO_NATIVE_INTERFACE:
11483 case MONO_NATIVE_ASANY:
11484 case MONO_NATIVE_FUNC:
11485 case MONO_NATIVE_LPSTRUCT:
11486 *align = ALIGNMENT(gpointer);
11487 return sizeof (gpointer);
11488 case MONO_NATIVE_STRUCT:
11489 klass = mono_class_from_mono_type (type);
11490 if (klass == mono_defaults.object_class &&
11491 (mspec && mspec->native == MONO_NATIVE_STRUCT)) {
11495 return mono_class_native_size (klass, align);
11496 case MONO_NATIVE_BYVALTSTR: {
11497 int esize = unicode ? 2: 1;
11500 return mspec->data.array_data.num_elem * esize;
11502 case MONO_NATIVE_BYVALARRAY: {
11503 // FIXME: Have to consider ArraySubType
11505 klass = mono_class_from_mono_type (type);
11506 if (klass->element_class == mono_defaults.char_class) {
11507 esize = unicode ? 2 : 1;
11510 esize = mono_class_native_size (klass->element_class, align);
11513 return mspec->data.array_data.num_elem * esize;
11515 case MONO_NATIVE_CUSTOM:
11516 *align = sizeof (gpointer);
11517 return sizeof (gpointer);
11519 case MONO_NATIVE_CURRENCY:
11520 case MONO_NATIVE_VBBYREFSTR:
11522 g_error ("native type %02x not implemented", native_type);
11525 g_assert_not_reached ();
11530 mono_marshal_asany (MonoObject *o, MonoMarshalNative string_encoding, int param_attrs)
11538 t = &o->vtable->klass->byval_arg;
11542 case MONO_TYPE_PTR:
11545 case MONO_TYPE_BOOLEAN:
11548 case MONO_TYPE_CHAR:
11553 return mono_object_unbox (o);
11555 case MONO_TYPE_STRING:
11556 switch (string_encoding) {
11557 case MONO_NATIVE_LPWSTR:
11558 return mono_marshal_string_to_utf16_copy ((MonoString*)o);
11560 case MONO_NATIVE_LPSTR:
11561 return mono_string_to_lpstr ((MonoString*)o);
11564 g_warning ("marshaling conversion %d not implemented", string_encoding);
11565 g_assert_not_reached ();
11568 case MONO_TYPE_CLASS:
11569 case MONO_TYPE_VALUETYPE: {
11570 MonoMethod *method;
11573 MonoBoolean delete_old = FALSE;
11575 klass = t->data.klass;
11577 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT)
11580 if (klass->valuetype && (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
11581 klass->blittable || klass->enumtype))
11582 return mono_object_unbox (o);
11584 res = mono_marshal_alloc (mono_class_native_size (klass, NULL));
11586 if (!((param_attrs & PARAM_ATTRIBUTE_OUT) && !(param_attrs & PARAM_ATTRIBUTE_IN))) {
11587 method = mono_marshal_get_struct_to_ptr (o->vtable->klass);
11591 pa [2] = &delete_old;
11593 mono_runtime_invoke (method, NULL, pa, NULL);
11600 mono_raise_exception (mono_get_exception_argument ("", "No PInvoke conversion exists for value passed to Object-typed parameter."));
11606 mono_marshal_free_asany (MonoObject *o, gpointer ptr, MonoMarshalNative string_encoding, int param_attrs)
11614 t = &o->vtable->klass->byval_arg;
11616 case MONO_TYPE_STRING:
11617 switch (string_encoding) {
11618 case MONO_NATIVE_LPWSTR:
11619 case MONO_NATIVE_LPSTR:
11620 mono_marshal_free (ptr);
11623 g_warning ("marshaling conversion %d not implemented", string_encoding);
11624 g_assert_not_reached ();
11627 case MONO_TYPE_CLASS:
11628 case MONO_TYPE_VALUETYPE: {
11629 klass = t->data.klass;
11631 if (klass->valuetype && (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
11632 klass->blittable || klass->enumtype))
11635 if (param_attrs & PARAM_ATTRIBUTE_OUT) {
11636 MonoMethod *method = mono_marshal_get_ptr_to_struct (o->vtable->klass);
11642 mono_runtime_invoke (method, NULL, pa, NULL);
11645 if (!((param_attrs & PARAM_ATTRIBUTE_OUT) && !(param_attrs & PARAM_ATTRIBUTE_IN))) {
11646 mono_struct_delete_old (klass, ptr);
11649 mono_marshal_free (ptr);
11658 mono_marshal_get_generic_array_helper (MonoClass *class, MonoClass *iface, gchar *name, MonoMethod *method)
11660 MonoMethodSignature *sig, *csig;
11661 MonoMethodBuilder *mb;
11665 mb = mono_mb_new_no_dup_name (class, name, MONO_WRAPPER_MANAGED_TO_MANAGED);
11666 mb->method->slot = -1;
11668 mb->method->flags = METHOD_ATTRIBUTE_PRIVATE | METHOD_ATTRIBUTE_VIRTUAL |
11669 METHOD_ATTRIBUTE_NEW_SLOT | METHOD_ATTRIBUTE_HIDE_BY_SIG | METHOD_ATTRIBUTE_FINAL;
11671 sig = mono_method_signature (method);
11672 csig = signature_dup (method->klass->image, sig);
11673 csig->generic_param_count = 0;
11675 mono_mb_emit_ldarg (mb, 0);
11676 for (i = 0; i < csig->param_count; i++)
11677 mono_mb_emit_ldarg (mb, i + 1);
11678 mono_mb_emit_managed_call (mb, method, NULL);
11679 mono_mb_emit_byte (mb, CEE_RET);
11681 /* We can corlib internal methods */
11682 mb->skip_visibility = TRUE;
11684 res = mono_mb_create_method (mb, csig, csig->param_count + 16);
11692 * The mono_win32_compat_* functions are implementations of inline
11693 * Windows kernel32 APIs, which are DllImport-able under MS.NET,
11694 * although not exported by kernel32.
11696 * We map the appropiate kernel32 entries to these functions using
11697 * dllmaps declared in the global etc/mono/config.
11701 mono_win32_compat_CopyMemory (gpointer dest, gconstpointer source, gsize length)
11703 if (!dest || !source)
11706 memcpy (dest, source, length);
11710 mono_win32_compat_FillMemory (gpointer dest, gsize length, guchar fill)
11712 memset (dest, fill, length);
11716 mono_win32_compat_MoveMemory (gpointer dest, gconstpointer source, gsize length)
11718 if (!dest || !source)
11721 memmove (dest, source, length);
11725 mono_win32_compat_ZeroMemory (gpointer dest, gsize length)
11727 memset (dest, 0, length);
11731 mono_marshal_find_nonzero_bit_offset (guint8 *buf, int len, int *byte_offset, guint8 *bitmask)
11736 for (i = 0; i < len; ++i)
11740 g_assert (i < len);
11743 while (byte && !(byte & 1))
11745 g_assert (byte == 1);
11748 *bitmask = buf [i];
11752 mono_marshal_get_thunk_invoke_wrapper (MonoMethod *method)
11754 MonoMethodBuilder *mb;
11755 MonoMethodSignature *sig, *csig;
11756 MonoExceptionClause *clause;
11761 int i, param_count, sig_size, pos_leave;
11765 klass = method->klass;
11766 image = method->klass->image;
11767 cache = get_cache (&image->thunk_invoke_cache, mono_aligned_addr_hash, NULL);
11769 if ((res = mono_marshal_find_in_cache (cache, method)))
11772 sig = mono_method_signature (method);
11773 mb = mono_mb_new (klass, method->name, MONO_WRAPPER_NATIVE_TO_MANAGED);
11775 /* add "this" and exception param */
11776 param_count = sig->param_count + sig->hasthis + 1;
11778 /* dup & extend signature */
11779 csig = mono_metadata_signature_alloc (image, param_count);
11780 sig_size = MONO_SIZEOF_METHOD_SIGNATURE + sig->param_count * sizeof (MonoType *);
11781 memcpy (csig, sig, sig_size);
11782 csig->param_count = param_count;
11785 csig->call_convention = MONO_CALL_DEFAULT;
11787 if (sig->hasthis) {
11789 csig->params [0] = &klass->byval_arg;
11790 /* move params up by one */
11791 for (i = 0; i < sig->param_count; i++)
11792 csig->params [i + 1] = sig->params [i];
11795 /* setup exception param as byref+[out] */
11796 csig->params [param_count - 1] = mono_metadata_type_dup (image,
11797 &mono_defaults.exception_class->byval_arg);
11798 csig->params [param_count - 1]->byref = 1;
11799 csig->params [param_count - 1]->attrs = PARAM_ATTRIBUTE_OUT;
11801 /* convert struct return to object */
11802 if (MONO_TYPE_ISSTRUCT (sig->ret))
11803 csig->ret = &mono_defaults.object_class->byval_arg;
11805 /* local 0 (temp for exception object) */
11806 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
11808 /* local 1 (temp for result) */
11809 if (!MONO_TYPE_IS_VOID (sig->ret))
11810 mono_mb_add_local (mb, sig->ret);
11812 /* clear exception arg */
11813 mono_mb_emit_ldarg (mb, param_count - 1);
11814 mono_mb_emit_byte (mb, CEE_LDNULL);
11815 mono_mb_emit_byte (mb, CEE_STIND_REF);
11818 clause = mono_image_alloc0 (image, sizeof (MonoExceptionClause));
11819 clause->try_offset = mono_mb_get_label (mb);
11821 /* push method's args */
11822 for (i = 0; i < param_count - 1; i++) {
11826 mono_mb_emit_ldarg (mb, i);
11828 /* get the byval type of the param */
11829 klass = mono_class_from_mono_type (csig->params [i]);
11830 type = &klass->byval_arg;
11832 /* unbox struct args */
11833 if (MONO_TYPE_ISSTRUCT (type)) {
11834 mono_mb_emit_op (mb, CEE_UNBOX, klass);
11836 /* byref args & and the "this" arg must remain a ptr.
11837 Otherwise make a copy of the value type */
11838 if (!(csig->params [i]->byref || (i == 0 && sig->hasthis)))
11839 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
11841 csig->params [i] = &mono_defaults.object_class->byval_arg;
11846 if (method->flags & METHOD_ATTRIBUTE_VIRTUAL)
11847 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
11849 mono_mb_emit_op (mb, CEE_CALL, method);
11851 /* save result at local 1 */
11852 if (!MONO_TYPE_IS_VOID (sig->ret))
11853 mono_mb_emit_stloc (mb, 1);
11855 pos_leave = mono_mb_emit_branch (mb, CEE_LEAVE);
11858 clause->flags = MONO_EXCEPTION_CLAUSE_NONE;
11859 clause->try_len = mono_mb_get_pos (mb) - clause->try_offset;
11860 clause->data.catch_class = mono_defaults.object_class;
11862 clause->handler_offset = mono_mb_get_label (mb);
11864 /* store exception at local 0 */
11865 mono_mb_emit_stloc (mb, 0);
11866 mono_mb_emit_ldarg (mb, param_count - 1);
11867 mono_mb_emit_ldloc (mb, 0);
11868 mono_mb_emit_byte (mb, CEE_STIND_REF);
11869 mono_mb_emit_branch (mb, CEE_LEAVE);
11871 clause->handler_len = mono_mb_get_pos (mb) - clause->handler_offset;
11873 mono_mb_set_clauses (mb, 1, clause);
11875 mono_mb_patch_branch (mb, pos_leave);
11878 if (!MONO_TYPE_IS_VOID (sig->ret)) {
11879 mono_mb_emit_ldloc (mb, 1);
11881 /* box the return value */
11882 if (MONO_TYPE_ISSTRUCT (sig->ret))
11883 mono_mb_emit_op (mb, CEE_BOX, mono_class_from_mono_type (sig->ret));
11886 mono_mb_emit_byte (mb, CEE_RET);
11888 res = mono_mb_create_and_cache (cache, method, mb, csig, param_count + 16);
11895 * mono_marshal_free_dynamic_wrappers:
11897 * Free wrappers of the dynamic method METHOD.
11900 mono_marshal_free_dynamic_wrappers (MonoMethod *method)
11902 MonoImage *image = method->klass->image;
11904 g_assert (method->dynamic);
11906 /* This could be called during shutdown */
11907 if (marshal_mutex_initialized)
11908 mono_marshal_lock ();
11910 * FIXME: We currently leak the wrappers. Freeing them would be tricky as
11911 * they could be shared with other methods ?
11913 if (image->runtime_invoke_direct_cache)
11914 g_hash_table_remove (image->runtime_invoke_direct_cache, method);
11915 if (image->delegate_bound_static_invoke_cache)
11916 g_hash_table_foreach_remove (image->delegate_bound_static_invoke_cache, signature_method_pair_matches_method, method);
11917 if (image->delegate_abstract_invoke_cache)
11918 g_hash_table_foreach_remove (image->delegate_abstract_invoke_cache, signature_method_pair_matches_method, method);
11920 if (marshal_mutex_initialized)
11921 mono_marshal_unlock ();
11925 * mono_marshal_free_inflated_wrappers:
11927 * Free wrappers of the inflated method METHOD.
11931 signature_method_pair_matches_signature (gpointer key, gpointer value, gpointer user_data)
11933 SignatureMethodPair *pair = (SignatureMethodPair*)key;
11934 MonoMethodSignature *sig = (MonoMethodSignature*)user_data;
11936 return mono_metadata_signature_equal (pair->sig, sig);
11940 mono_marshal_free_inflated_wrappers (MonoMethod *method)
11942 MonoMethodSignature *sig = method->signature;
11944 g_assert (method->is_inflated);
11946 /* Ignore calls occuring late during cleanup. */
11947 if (!marshal_mutex_initialized)
11950 mono_marshal_lock ();
11952 * FIXME: We currently leak the wrappers. Freeing them would be tricky as
11953 * they could be shared with other methods ?
11957 * indexed by MonoMethodSignature
11959 /* FIXME: This could remove unrelated wrappers as well */
11960 if (sig && method->klass->image->delegate_begin_invoke_cache)
11961 g_hash_table_remove (method->klass->image->delegate_begin_invoke_cache, sig);
11962 if (sig && method->klass->image->delegate_end_invoke_cache)
11963 g_hash_table_remove (method->klass->image->delegate_end_invoke_cache, sig);
11964 if (sig && method->klass->image->delegate_invoke_cache)
11965 g_hash_table_remove (method->klass->image->delegate_invoke_cache, sig);
11966 if (sig && method->klass->image->runtime_invoke_cache)
11967 g_hash_table_remove (method->klass->image->runtime_invoke_cache, sig);
11970 * indexed by SignatureMethodPair
11972 if (sig && method->klass->image->delegate_abstract_invoke_cache)
11973 g_hash_table_foreach_remove (method->klass->image->delegate_abstract_invoke_cache,
11974 signature_method_pair_matches_signature, (gpointer)sig);
11976 if (sig && method->klass->image->delegate_bound_static_invoke_cache)
11977 g_hash_table_foreach_remove (method->klass->image->delegate_bound_static_invoke_cache,
11978 signature_method_pair_matches_signature, (gpointer)sig);
11981 * indexed by MonoMethod pointers
11983 if (method->klass->image->runtime_invoke_direct_cache)
11984 g_hash_table_remove (method->klass->image->runtime_invoke_direct_cache, method);
11985 if (method->klass->image->managed_wrapper_cache)
11986 g_hash_table_remove (method->klass->image->managed_wrapper_cache, method);
11987 if (method->klass->image->native_wrapper_cache)
11988 g_hash_table_remove (method->klass->image->native_wrapper_cache, method);
11989 if (method->klass->image->remoting_invoke_cache)
11990 g_hash_table_remove (method->klass->image->remoting_invoke_cache, method);
11991 if (method->klass->image->synchronized_cache)
11992 g_hash_table_remove (method->klass->image->synchronized_cache, method);
11993 if (method->klass->image->unbox_wrapper_cache)
11994 g_hash_table_remove (method->klass->image->unbox_wrapper_cache, method);
11995 if (method->klass->image->cominterop_invoke_cache)
11996 g_hash_table_remove (method->klass->image->cominterop_invoke_cache, method);
11997 if (method->klass->image->cominterop_wrapper_cache)
11998 g_hash_table_remove (method->klass->image->cominterop_wrapper_cache, method);
11999 if (method->klass->image->thunk_invoke_cache)
12000 g_hash_table_remove (method->klass->image->thunk_invoke_cache, method);
12002 mono_marshal_unlock ();