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_byvalarray_to_array (MonoArray *arr, gpointer native_arr, MonoClass *eltype, guint32 elnum);
111 mono_array_to_byvalarray (gpointer native_arr, MonoArray *arr, MonoClass *eltype, guint32 elnum);
114 mono_remoting_wrapper (MonoMethod *method, gpointer *params);
116 static MonoAsyncResult *
117 mono_delegate_begin_invoke (MonoDelegate *delegate, gpointer *params);
120 mono_delegate_end_invoke (MonoDelegate *delegate, gpointer *params);
123 mono_marshal_xdomain_copy_out_value (MonoObject *src, MonoObject *dst);
126 mono_marshal_set_domain_by_id (gint32 id, MonoBoolean push);
129 mono_marshal_check_domain_image (gint32 domain_id, MonoImage *image);
132 mono_upgrade_remote_class_wrapper (MonoReflectionType *rtype, MonoTransparentProxy *tproxy);
134 static MonoReflectionType *
135 type_from_handle (MonoType *handle);
138 mono_marshal_set_last_error_windows (int error);
140 static void init_safe_handle (void);
142 /* MonoMethod pointers to SafeHandle::DangerousAddRef and ::DangerousRelease */
143 static MonoMethod *sh_dangerous_add_ref;
144 static MonoMethod *sh_dangerous_release;
150 sh_dangerous_add_ref = mono_class_get_method_from_name (
151 mono_defaults.safehandle_class, "DangerousAddRef", 1);
152 sh_dangerous_release = mono_class_get_method_from_name (
153 mono_defaults.safehandle_class, "DangerousRelease", 0);
157 register_icall (gpointer func, const char *name, const char *sigstr, gboolean save)
159 MonoMethodSignature *sig = mono_create_icall_signature (sigstr);
161 mono_register_jit_icall (func, name, sig, save);
164 static MonoMethodSignature*
165 signature_dup (MonoImage *image, MonoMethodSignature *sig)
167 MonoMethodSignature *res;
170 res = mono_metadata_signature_alloc (image, sig->param_count);
171 sigsize = MONO_SIZEOF_METHOD_SIGNATURE + sig->param_count * sizeof (MonoType *);
172 memcpy (res, sig, sigsize);
178 mono_signature_no_pinvoke (MonoMethod *method)
180 MonoMethodSignature *sig = mono_method_signature (method);
182 sig = signature_dup (method->klass->image, sig);
183 sig->pinvoke = FALSE;
190 mono_marshal_init (void)
192 static gboolean module_initialized = FALSE;
194 if (!module_initialized) {
195 module_initialized = TRUE;
196 InitializeCriticalSection (&marshal_mutex);
197 marshal_mutex_initialized = TRUE;
198 last_error_tls_id = TlsAlloc ();
199 load_type_info_tls_id = TlsAlloc ();
201 register_icall (ves_icall_System_Threading_Thread_ResetAbort, "ves_icall_System_Threading_Thread_ResetAbort", "void", TRUE);
202 register_icall (mono_marshal_string_to_utf16, "mono_marshal_string_to_utf16", "ptr obj", FALSE);
203 register_icall (mono_marshal_string_to_utf16_copy, "mono_marshal_string_to_utf16_copy", "ptr obj", FALSE);
204 register_icall (mono_string_to_utf16, "mono_string_to_utf16", "ptr obj", FALSE);
205 register_icall (mono_string_from_utf16, "mono_string_from_utf16", "obj ptr", FALSE);
206 register_icall (mono_string_new_wrapper, "mono_string_new_wrapper", "obj ptr", FALSE);
207 register_icall (mono_string_to_utf8, "mono_string_to_utf8", "ptr obj", FALSE);
208 register_icall (mono_string_to_lpstr, "mono_string_to_lpstr", "ptr obj", FALSE);
209 register_icall (mono_string_to_ansibstr, "mono_string_to_ansibstr", "ptr object", FALSE);
210 register_icall (mono_string_builder_to_utf8, "mono_string_builder_to_utf8", "ptr object", FALSE);
211 register_icall (mono_string_builder_to_utf16, "mono_string_builder_to_utf16", "ptr object", FALSE);
212 register_icall (mono_array_to_savearray, "mono_array_to_savearray", "ptr object", FALSE);
213 register_icall (mono_array_to_lparray, "mono_array_to_lparray", "ptr object", FALSE);
214 register_icall (mono_free_lparray, "mono_free_lparray", "void object ptr", FALSE);
215 register_icall (mono_byvalarray_to_array, "mono_byvalarray_to_array", "void object ptr ptr int32", FALSE);
216 register_icall (mono_array_to_byvalarray, "mono_array_to_byvalarray", "void ptr object ptr int32", FALSE);
217 register_icall (mono_delegate_to_ftnptr, "mono_delegate_to_ftnptr", "ptr object", FALSE);
218 register_icall (mono_ftnptr_to_delegate, "mono_ftnptr_to_delegate", "object ptr ptr", FALSE);
219 register_icall (mono_marshal_asany, "mono_marshal_asany", "ptr object int32 int32", FALSE);
220 register_icall (mono_marshal_free_asany, "mono_marshal_free_asany", "void object ptr int32 int32", FALSE);
221 register_icall (mono_marshal_alloc, "mono_marshal_alloc", "ptr int32", FALSE);
222 register_icall (mono_marshal_free, "mono_marshal_free", "void ptr", FALSE);
223 register_icall (mono_marshal_set_last_error, "mono_marshal_set_last_error", "void", FALSE);
224 register_icall (mono_marshal_set_last_error_windows, "mono_marshal_set_last_error_windows", "void int32", FALSE);
225 register_icall (mono_string_utf8_to_builder, "mono_string_utf8_to_builder", "void ptr ptr", FALSE);
226 register_icall (mono_string_utf8_to_builder2, "mono_string_utf8_to_builder2", "object ptr", FALSE);
227 register_icall (mono_string_utf16_to_builder, "mono_string_utf16_to_builder", "void ptr ptr", FALSE);
228 register_icall (mono_string_utf16_to_builder2, "mono_string_utf16_to_builder2", "object ptr", FALSE);
229 register_icall (mono_marshal_free_array, "mono_marshal_free_array", "void ptr int32", FALSE);
230 register_icall (mono_string_to_byvalstr, "mono_string_to_byvalstr", "void ptr ptr int32", FALSE);
231 register_icall (mono_string_to_byvalwstr, "mono_string_to_byvalwstr", "void ptr ptr int32", FALSE);
232 register_icall (g_free, "g_free", "void ptr", FALSE);
233 register_icall (mono_object_isinst, "mono_object_isinst", "object object ptr", FALSE);
234 register_icall (mono_struct_delete_old, "mono_struct_delete_old", "void ptr ptr", FALSE);
235 register_icall (mono_remoting_wrapper, "mono_remoting_wrapper", "object ptr ptr", FALSE);
236 register_icall (mono_delegate_begin_invoke, "mono_delegate_begin_invoke", "object object ptr", FALSE);
237 register_icall (mono_delegate_end_invoke, "mono_delegate_end_invoke", "object object ptr", FALSE);
238 register_icall (mono_marshal_xdomain_copy_value, "mono_marshal_xdomain_copy_value", "object object", FALSE);
239 register_icall (mono_marshal_xdomain_copy_out_value, "mono_marshal_xdomain_copy_out_value", "void object object", FALSE);
240 register_icall (mono_marshal_set_domain_by_id, "mono_marshal_set_domain_by_id", "int32 int32 int32", FALSE);
241 register_icall (mono_marshal_check_domain_image, "mono_marshal_check_domain_image", "int32 int32 ptr", FALSE);
242 register_icall (mono_compile_method, "mono_compile_method", "ptr ptr", FALSE);
243 register_icall (mono_context_get, "mono_context_get", "object", FALSE);
244 register_icall (mono_context_set, "mono_context_set", "void object", FALSE);
245 register_icall (mono_upgrade_remote_class_wrapper, "mono_upgrade_remote_class_wrapper", "void object object", FALSE);
246 register_icall (type_from_handle, "type_from_handle", "object ptr", FALSE);
247 register_icall (mono_gc_wbarrier_generic_nostore, "wb_generic", "void ptr", FALSE);
248 register_icall (mono_gchandle_get_target, "mono_gchandle_get_target", "object int32", TRUE);
250 mono_cominterop_init ();
255 mono_marshal_cleanup (void)
257 mono_cominterop_cleanup ();
259 TlsFree (load_type_info_tls_id);
260 TlsFree (last_error_tls_id);
261 DeleteCriticalSection (&marshal_mutex);
262 marshal_mutex_initialized = FALSE;
265 MonoClass *byte_array_class;
266 static MonoMethod *method_rs_serialize, *method_rs_deserialize, *method_exc_fixexc, *method_rs_appdomain_target;
267 static MonoMethod *method_set_context, *method_get_context;
268 static MonoMethod *method_set_call_context, *method_needs_context_sink, *method_rs_serialize_exc;
271 mono_remoting_marshal_init (void)
275 static gboolean module_initialized = FALSE;
277 if (!module_initialized) {
278 klass = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting", "RemotingServices");
279 method_rs_serialize = mono_class_get_method_from_name (klass, "SerializeCallData", -1);
280 method_rs_deserialize = mono_class_get_method_from_name (klass, "DeserializeCallData", -1);
281 method_rs_serialize_exc = mono_class_get_method_from_name (klass, "SerializeExceptionData", -1);
283 klass = mono_defaults.real_proxy_class;
284 method_rs_appdomain_target = mono_class_get_method_from_name (klass, "GetAppDomainTarget", -1);
286 klass = mono_defaults.exception_class;
287 method_exc_fixexc = mono_class_get_method_from_name (klass, "FixRemotingException", -1);
289 klass = mono_defaults.thread_class;
290 method_get_context = mono_class_get_method_from_name (klass, "get_CurrentContext", -1);
292 klass = mono_defaults.appdomain_class;
293 method_set_context = mono_class_get_method_from_name (klass, "InternalSetContext", -1);
294 byte_array_class = mono_array_class_get (mono_defaults.byte_class, 1);
296 klass = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting.Messaging", "CallContext");
297 method_set_call_context = mono_class_get_method_from_name (klass, "SetCurrentCallContext", -1);
299 klass = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting.Contexts", "Context");
300 method_needs_context_sink = mono_class_get_method_from_name (klass, "get_NeedsContextSink", -1);
302 module_initialized = TRUE;
307 mono_delegate_to_ftnptr (MonoDelegate *delegate)
309 MonoMethod *method, *wrapper;
311 uint32_t target_handle = 0;
316 if (delegate->delegate_trampoline)
317 return delegate->delegate_trampoline;
319 klass = ((MonoObject *)delegate)->vtable->klass;
320 g_assert (klass->delegate);
322 method = delegate->method;
324 if (mono_method_signature (method)->pinvoke) {
325 const char *exc_class, *exc_arg;
328 ftnptr = mono_lookup_pinvoke_call (method, &exc_class, &exc_arg);
330 g_assert (exc_class);
331 mono_raise_exception (mono_exception_from_name_msg (mono_defaults.corlib, "System", exc_class, exc_arg));
336 if (delegate->target) {
337 /* Produce a location which can be embedded in JITted code */
338 target_handle = mono_gchandle_new_weakref (delegate->target, FALSE);
341 wrapper = mono_marshal_get_managed_wrapper (method, klass, target_handle);
343 delegate->delegate_trampoline = mono_compile_method (wrapper);
345 // Add the delegate to the delegate hash table
346 delegate_hash_table_add (delegate);
348 /* when the object is collected, collect the dynamic method, too */
349 mono_object_register_finalizer ((MonoObject*)delegate);
351 return delegate->delegate_trampoline;
355 * this hash table maps from a delegate trampoline object to a weak reference
356 * of the delegate. As an optimizations with a non-moving GC we store the
357 * object pointer itself, otherwise we use a GC handle.
359 static GHashTable *delegate_hash_table;
362 delegate_hash_table_new (void) {
363 return g_hash_table_new (NULL, NULL);
367 delegate_hash_table_remove (MonoDelegate *d)
369 #ifdef HAVE_MOVING_COLLECTOR
372 mono_marshal_lock ();
373 if (delegate_hash_table == NULL)
374 delegate_hash_table = delegate_hash_table_new ();
375 #ifdef HAVE_MOVING_COLLECTOR
376 gchandle = GPOINTER_TO_UINT (g_hash_table_lookup (delegate_hash_table, d->delegate_trampoline));
378 g_hash_table_remove (delegate_hash_table, d->delegate_trampoline);
379 mono_marshal_unlock ();
380 #ifdef HAVE_MOVING_COLLECTOR
381 mono_gchandle_free (gchandle);
386 delegate_hash_table_add (MonoDelegate *d)
388 #ifdef HAVE_MOVING_COLLECTOR
389 guint32 gchandle = mono_gchandle_new_weakref ((MonoObject*)d, FALSE);
390 guint32 old_gchandle;
392 mono_marshal_lock ();
393 if (delegate_hash_table == NULL)
394 delegate_hash_table = delegate_hash_table_new ();
395 #ifdef HAVE_MOVING_COLLECTOR
396 old_gchandle = GPOINTER_TO_UINT (g_hash_table_lookup (delegate_hash_table, d->delegate_trampoline));
397 g_hash_table_insert (delegate_hash_table, d->delegate_trampoline, GUINT_TO_POINTER (gchandle));
399 mono_gchandle_free (old_gchandle);
401 g_hash_table_insert (delegate_hash_table, d->delegate_trampoline, d);
403 mono_marshal_unlock ();
407 mono_ftnptr_to_delegate (MonoClass *klass, gpointer ftn)
409 #ifdef HAVE_MOVING_COLLECTOR
417 mono_marshal_lock ();
418 if (delegate_hash_table == NULL)
419 delegate_hash_table = delegate_hash_table_new ();
421 #ifdef HAVE_MOVING_COLLECTOR
422 gchandle = GPOINTER_TO_UINT (g_hash_table_lookup (delegate_hash_table, ftn));
423 mono_marshal_unlock ();
425 d = (MonoDelegate*)mono_gchandle_get_target (gchandle);
429 d = g_hash_table_lookup (delegate_hash_table, ftn);
430 mono_marshal_unlock ();
433 /* This is a native function, so construct a delegate for it */
434 static MonoClass *UnmanagedFunctionPointerAttribute;
435 MonoMethodSignature *sig;
437 MonoMarshalSpec **mspecs;
438 MonoCustomAttrInfo *cinfo;
439 MonoReflectionUnmanagedFunctionPointerAttribute *attr;
440 MonoMethod *invoke = mono_get_delegate_invoke (klass);
441 MonoMethodPInvoke piinfo;
444 memset (&piinfo, 0, sizeof (piinfo));
445 if (!UnmanagedFunctionPointerAttribute)
446 UnmanagedFunctionPointerAttribute = mono_class_from_name (mono_defaults.corlib, "System.Runtime.InteropServices", "UnmanagedFunctionPointerAttribute");
448 /* The attribute is only available in Net 2.0 */
449 if (UnmanagedFunctionPointerAttribute) {
451 * The pinvoke attributes are stored in a real custom attribute so we have to
454 cinfo = mono_custom_attrs_from_class (klass);
456 attr = (MonoReflectionUnmanagedFunctionPointerAttribute*)mono_custom_attrs_get_attr (cinfo, UnmanagedFunctionPointerAttribute);
458 piinfo.piflags = (attr->call_conv << 8) | (attr->charset ? (attr->charset - 1) * 2 : 1) | attr->set_last_error;
461 mono_custom_attrs_free (cinfo);
465 mspecs = g_new0 (MonoMarshalSpec*, mono_method_signature (invoke)->param_count + 1);
466 mono_method_get_marshal_info (invoke, mspecs);
467 /* Freed below so don't alloc from mempool */
468 sig = mono_metadata_signature_dup (mono_method_signature (invoke));
471 wrapper = mono_marshal_get_native_func_wrapper (klass->image, sig, &piinfo, mspecs, ftn);
473 for (i = mono_method_signature (invoke)->param_count; i >= 0; i--)
475 mono_metadata_free_marshal_spec (mspecs [i]);
479 d = (MonoDelegate*)mono_object_new (mono_domain_get (), klass);
480 mono_delegate_ctor_with_method ((MonoObject*)d, NULL, mono_compile_method (wrapper), wrapper);
483 if (d->object.vtable->domain != mono_domain_get ())
484 mono_raise_exception (mono_get_exception_not_supported ("Delegates cannot be marshalled from native code into a domain other than their home domain"));
490 mono_delegate_free_ftnptr (MonoDelegate *delegate)
495 delegate_hash_table_remove (delegate);
497 ptr = (gpointer)InterlockedExchangePointer (&delegate->delegate_trampoline, NULL);
499 if (!delegate->target) {
500 /* The wrapper method is shared between delegates -> no need to free it */
507 ji = mono_jit_info_table_find (mono_domain_get (), mono_get_addr_from_ftnptr (ptr));
510 method_data = ((MonoMethodWrapper*)ji->method)->method_data;
512 /*the target gchandle is the first entry after size and the wrapper itself.*/
513 gchandle = GPOINTER_TO_UINT (method_data [2]);
516 mono_gchandle_free (gchandle);
518 mono_runtime_free_method (mono_object_domain (delegate), ji->method);
523 mono_array_to_savearray (MonoArray *array)
528 g_assert_not_reached ();
533 mono_array_to_lparray (MonoArray *array)
535 gpointer *nativeArray = NULL;
536 int nativeArraySize = 0;
545 klass = array->obj.vtable->klass;
547 switch (klass->element_class->byval_arg.type) {
549 g_assert_not_reached ();
552 case MONO_TYPE_CLASS:
553 nativeArraySize = array->max_length;
554 nativeArray = malloc(sizeof(gpointer) * nativeArraySize);
555 for(i = 0; i < nativeArraySize; ++i)
556 nativeArray[i] = ves_icall_System_Runtime_InteropServices_Marshal_GetIUnknownForObjectInternal(((gpointer*)array->vector)[i]);
560 case MONO_TYPE_BOOLEAN:
573 case MONO_TYPE_VALUETYPE:
577 case MONO_TYPE_GENERICINST:
578 case MONO_TYPE_OBJECT:
579 case MONO_TYPE_ARRAY:
580 case MONO_TYPE_SZARRAY:
581 case MONO_TYPE_STRING:
583 g_warning ("type 0x%x not handled", klass->element_class->byval_arg.type);
584 g_assert_not_reached ();
587 return array->vector;
591 mono_free_lparray (MonoArray *array, gpointer* nativeArray)
602 klass = array->obj.vtable->klass;
604 switch (klass->element_class->byval_arg.type) {
605 case MONO_TYPE_CLASS:
606 for(i = 0; i < array->max_length; ++i)
607 mono_marshal_free_ccw(nativeArray[i]);
615 mono_byvalarray_to_array (MonoArray *arr, gpointer native_arr, MonoClass *elclass, guint32 elnum)
617 g_assert (arr->obj.vtable->klass->element_class == mono_defaults.char_class);
619 if (elclass == mono_defaults.byte_class) {
620 GError *error = NULL;
624 ut = g_utf8_to_utf16 (native_arr, elnum, NULL, &items_written, &error);
627 memcpy (mono_array_addr (arr, guint16, 0), ut, items_written * sizeof (guint16));
631 g_error_free (error);
634 g_assert_not_reached ();
638 mono_array_to_byvalarray (gpointer native_arr, MonoArray *arr, MonoClass *elclass, guint32 elnum)
640 g_assert (arr->obj.vtable->klass->element_class == mono_defaults.char_class);
642 if (elclass == mono_defaults.byte_class) {
644 GError *error = NULL;
646 as = g_utf16_to_utf8 (mono_array_addr (arr, gunichar2, 0), mono_array_length (arr), NULL, NULL, &error);
648 MonoException *exc = mono_get_exception_argument ("string", error->message);
649 g_error_free (error);
650 mono_raise_exception (exc);
653 memcpy (native_arr, as, MIN (strlen (as), elnum));
656 g_assert_not_reached ();
661 mono_string_utf8_to_builder (MonoStringBuilder *sb, char *text)
663 GError *error = NULL;
673 ut = g_utf8_to_utf16 (text, l, NULL, &items_written, &error);
675 if (items_written > mono_stringbuilder_capacity (sb))
676 items_written = mono_stringbuilder_capacity (sb);
679 if (! sb->str || sb->str == sb->cached_str) {
680 MONO_OBJECT_SETREF (sb, str, mono_string_new_size (mono_domain_get (), items_written));
681 sb->cached_str = NULL;
684 memcpy (mono_string_chars (sb->str), ut, items_written * 2);
685 sb->length = items_written;
687 g_error_free (error);
693 mono_string_utf8_to_builder2 (char *text)
696 MonoStringBuilder *sb;
697 static MonoClass *string_builder_class;
698 static MonoMethod *sb_ctor;
705 if (!string_builder_class) {
706 MonoMethodDesc *desc;
708 string_builder_class = mono_class_from_name (mono_defaults.corlib, "System.Text", "StringBuilder");
709 g_assert (string_builder_class);
710 desc = mono_method_desc_new (":.ctor(int)", FALSE);
711 sb_ctor = mono_method_desc_search_in_class (desc, string_builder_class);
713 mono_method_desc_free (desc);
718 sb = (MonoStringBuilder*)mono_object_new (mono_domain_get (), string_builder_class);
721 mono_runtime_invoke (sb_ctor, sb, args, &exc);
724 mono_string_utf8_to_builder (sb, text);
730 * FIXME: This routine does not seem to do what it seems to do
731 * the @text is never copied into the string builder
734 mono_string_utf16_to_builder (MonoStringBuilder *sb, gunichar2 *text)
741 g_assert (mono_string_chars (sb->str) == text);
743 for (len = 0; text [len] != 0; ++len)
750 mono_string_utf16_to_builder2 (gunichar2 *text)
753 MonoStringBuilder *sb;
754 static MonoClass *string_builder_class;
755 static MonoMethod *sb_ctor;
762 if (!string_builder_class) {
763 MonoMethodDesc *desc;
765 string_builder_class = mono_class_from_name (mono_defaults.corlib, "System.Text", "StringBuilder");
766 g_assert (string_builder_class);
767 desc = mono_method_desc_new (":.ctor(int)", FALSE);
768 sb_ctor = mono_method_desc_search_in_class (desc, string_builder_class);
770 mono_method_desc_free (desc);
773 for (len = 0; text [len] != 0; ++len)
776 sb = (MonoStringBuilder*)mono_object_new (mono_domain_get (), string_builder_class);
779 mono_runtime_invoke (sb_ctor, sb, args, &exc);
783 memcpy (mono_string_chars (sb->str), text, len * 2);
789 * mono_string_builder_to_utf8:
790 * @sb: the string builder
792 * Converts to utf8 the contents of the MonoStringBuilder.
794 * Returns: a utf8 string with the contents of the StringBuilder.
796 * The return value must be released with g_free.
799 mono_string_builder_to_utf8 (MonoStringBuilder *sb)
801 GError *error = NULL;
802 gchar *tmp, *res = NULL;
807 if ((sb->str == sb->cached_str) && (sb->str->length == 0)) {
809 * The sb could have been allocated with the default capacity and be empty.
810 * we need to alloc a buffer of the default capacity in this case.
812 MONO_OBJECT_SETREF (sb, str, mono_string_new_size (mono_domain_get (), 16));
813 sb->cached_str = NULL;
816 tmp = g_utf16_to_utf8 (mono_string_chars (sb->str), sb->length, NULL, NULL, &error);
818 g_error_free (error);
819 mono_raise_exception (mono_get_exception_execution_engine ("Failed to convert StringBuilder from utf16 to utf8"));
821 res = mono_marshal_alloc (mono_stringbuilder_capacity (sb) + 1);
822 memcpy (res, tmp, sb->length + 1);
830 * mono_string_builder_to_utf16:
831 * @sb: the string builder
833 * Converts to utf16 the contents of the MonoStringBuilder.
835 * Returns: a utf16 string with the contents of the StringBuilder.
837 * The return value must not be freed.
840 mono_string_builder_to_utf16 (MonoStringBuilder *sb)
848 * The stringbuilder might not have ownership of this string. If this is
849 * the case, we must duplicate the string, so that we don't munge immutable
852 if (sb->str == sb->cached_str) {
854 * The sb could have been allocated with the default capacity and be empty.
855 * we need to alloc a buffer of the default capacity in this case.
857 if (sb->str->length == 0)
858 MONO_OBJECT_SETREF (sb, str, mono_string_new_size (mono_domain_get (), 16));
860 MONO_OBJECT_SETREF (sb, str, mono_string_new_utf16 (mono_domain_get (), mono_string_chars (sb->str), mono_stringbuilder_capacity (sb)));
861 sb->cached_str = NULL;
865 *(mono_string_chars (sb->str)) = '\0';
867 return mono_string_chars (sb->str);
871 mono_string_to_lpstr (MonoString *s)
876 GError *error = NULL;
882 as = CoTaskMemAlloc (1);
887 tmp = g_utf16_to_utf8 (mono_string_chars (s), s->length, NULL, &len, &error);
889 MonoException *exc = mono_get_exception_argument ("string", error->message);
890 g_error_free (error);
891 mono_raise_exception(exc);
894 as = CoTaskMemAlloc (len + 1);
895 memcpy (as, tmp, len + 1);
900 return mono_string_to_utf8 (s);
905 mono_string_to_ansibstr (MonoString *string_obj)
907 g_error ("UnmanagedMarshal.BStr is not implemented.");
912 * mono_string_to_byvalstr:
913 * @dst: Where to store the null-terminated utf8 decoded string.
914 * @src: the MonoString to copy.
915 * @size: the maximum number of bytes to copy.
917 * Copies the MonoString pointed to by @src as a utf8 string
918 * into @dst, it copies at most @size bytes into the destination.
921 mono_string_to_byvalstr (gpointer dst, MonoString *src, int size)
926 g_assert (dst != NULL);
929 memset (dst, 0, size);
933 s = mono_string_to_utf8 (src);
934 len = MIN (size, strlen (s));
937 memcpy (dst, s, len);
942 * mono_string_to_byvalwstr:
943 * @dst: Where to store the null-terminated utf16 decoded string.
944 * @src: the MonoString to copy.
945 * @size: the maximum number of bytes to copy.
947 * Copies the MonoString pointed to by @src as a utf16 string into
948 * @dst, it copies at most @size bytes into the destination (including
949 * a terminating 16-bit zero terminator).
952 mono_string_to_byvalwstr (gpointer dst, MonoString *src, int size)
956 g_assert (dst != NULL);
960 memset (dst, 0, size * 2);
964 len = MIN (size, (mono_string_length (src)));
965 memcpy (dst, mono_string_chars (src), size * 2);
966 if (size <= mono_string_length (src))
968 *((gunichar2 *) dst + len) = 0;
972 mono_mb_emit_proxy_check (MonoMethodBuilder *mb, int branch_code)
975 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
976 mono_mb_emit_byte (mb, CEE_LDIND_I);
977 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoVTable, klass));
978 mono_mb_emit_byte (mb, CEE_ADD);
979 mono_mb_emit_byte (mb, CEE_LDIND_I);
980 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
981 mono_mb_emit_byte (mb, CEE_MONO_CLASSCONST);
982 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_defaults.transparent_proxy_class));
983 pos = mono_mb_emit_branch (mb, branch_code);
988 mono_mb_emit_xdomain_check (MonoMethodBuilder *mb, int branch_code)
991 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
992 mono_mb_emit_byte (mb, CEE_LDIND_REF);
993 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoRealProxy, target_domain_id));
994 mono_mb_emit_byte (mb, CEE_LDIND_I4);
995 mono_mb_emit_icon (mb, -1);
996 pos = mono_mb_emit_branch (mb, branch_code);
1001 mono_mb_emit_contextbound_check (MonoMethodBuilder *mb, int branch_code)
1003 static int offset = -1;
1007 mono_marshal_find_bitfield_offset (MonoClass, contextbound, &offset, &mask);
1009 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, remote_class));
1010 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1011 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoRemoteClass, proxy_class));
1012 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1013 mono_mb_emit_ldflda (mb, offset);
1014 mono_mb_emit_byte (mb, CEE_LDIND_U1);
1015 mono_mb_emit_icon (mb, mask);
1016 mono_mb_emit_byte (mb, CEE_AND);
1017 mono_mb_emit_icon (mb, 0);
1018 return mono_mb_emit_branch (mb, branch_code);
1022 mono_mb_emit_exception_marshal_directive (MonoMethodBuilder *mb, const char *msg)
1024 mono_mb_emit_exception_full (mb, "System.Runtime.InteropServices", "MarshalDirectiveException", msg);
1028 mono_type_to_ldind (MonoType *type)
1034 switch (type->type) {
1036 return CEE_LDIND_I1;
1038 case MONO_TYPE_BOOLEAN:
1039 return CEE_LDIND_U1;
1041 return CEE_LDIND_I2;
1043 case MONO_TYPE_CHAR:
1044 return CEE_LDIND_U2;
1046 return CEE_LDIND_I4;
1048 return CEE_LDIND_U4;
1052 case MONO_TYPE_FNPTR:
1054 case MONO_TYPE_CLASS:
1055 case MONO_TYPE_STRING:
1056 case MONO_TYPE_OBJECT:
1057 case MONO_TYPE_SZARRAY:
1058 case MONO_TYPE_ARRAY:
1059 return CEE_LDIND_REF;
1062 return CEE_LDIND_I8;
1064 return CEE_LDIND_R4;
1066 return CEE_LDIND_R8;
1067 case MONO_TYPE_VALUETYPE:
1068 if (type->data.klass->enumtype) {
1069 type = mono_class_enum_basetype (type->data.klass);
1073 case MONO_TYPE_TYPEDBYREF:
1075 case MONO_TYPE_GENERICINST:
1076 type = &type->data.generic_class->container_class->byval_arg;
1079 g_error ("unknown type 0x%02x in type_to_ldind", type->type);
1085 mono_type_to_stind (MonoType *type)
1091 switch (type->type) {
1094 case MONO_TYPE_BOOLEAN:
1095 return CEE_STIND_I1;
1098 case MONO_TYPE_CHAR:
1099 return CEE_STIND_I2;
1102 return CEE_STIND_I4;
1106 case MONO_TYPE_FNPTR:
1108 case MONO_TYPE_CLASS:
1109 case MONO_TYPE_STRING:
1110 case MONO_TYPE_OBJECT:
1111 case MONO_TYPE_SZARRAY:
1112 case MONO_TYPE_ARRAY:
1113 return CEE_STIND_REF;
1116 return CEE_STIND_I8;
1118 return CEE_STIND_R4;
1120 return CEE_STIND_R8;
1121 case MONO_TYPE_VALUETYPE:
1122 if (type->data.klass->enumtype) {
1123 type = mono_class_enum_basetype (type->data.klass);
1127 case MONO_TYPE_TYPEDBYREF:
1129 case MONO_TYPE_GENERICINST:
1130 type = &type->data.generic_class->container_class->byval_arg;
1133 g_error ("unknown type 0x%02x in type_to_stind", type->type);
1139 emit_ptr_to_object_conv (MonoMethodBuilder *mb, MonoType *type, MonoMarshalConv conv, MonoMarshalSpec *mspec)
1142 case MONO_MARSHAL_CONV_BOOL_I4:
1143 mono_mb_emit_ldloc (mb, 1);
1144 mono_mb_emit_ldloc (mb, 0);
1145 mono_mb_emit_byte (mb, CEE_LDIND_I4);
1146 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
1147 mono_mb_emit_byte (mb, 3);
1148 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
1149 mono_mb_emit_byte (mb, CEE_BR_S);
1150 mono_mb_emit_byte (mb, 1);
1151 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
1152 mono_mb_emit_byte (mb, CEE_STIND_I1);
1154 case MONO_MARSHAL_CONV_BOOL_VARIANTBOOL:
1155 mono_mb_emit_ldloc (mb, 1);
1156 mono_mb_emit_ldloc (mb, 0);
1157 mono_mb_emit_byte (mb, CEE_LDIND_I2);
1158 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
1159 mono_mb_emit_byte (mb, 3);
1160 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
1161 mono_mb_emit_byte (mb, CEE_BR_S);
1162 mono_mb_emit_byte (mb, 1);
1163 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
1164 mono_mb_emit_byte (mb, CEE_STIND_I1);
1166 case MONO_MARSHAL_CONV_ARRAY_BYVALARRAY: {
1167 MonoClass *eklass = NULL;
1170 if (type->type == MONO_TYPE_SZARRAY) {
1171 eklass = type->data.klass;
1173 g_assert_not_reached ();
1176 esize = mono_class_native_size (eklass, NULL);
1178 /* create a new array */
1179 mono_mb_emit_ldloc (mb, 1);
1180 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1181 mono_mb_emit_op (mb, CEE_NEWARR, eklass);
1182 mono_mb_emit_byte (mb, CEE_STIND_I);
1184 if (eklass->blittable) {
1185 /* copy the elements */
1186 mono_mb_emit_ldloc (mb, 1);
1187 mono_mb_emit_byte (mb, CEE_LDIND_I);
1188 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArray, vector));
1189 mono_mb_emit_byte (mb, CEE_ADD);
1190 mono_mb_emit_ldloc (mb, 0);
1191 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem * esize);
1192 mono_mb_emit_byte (mb, CEE_PREFIX1);
1193 mono_mb_emit_byte (mb, CEE_CPBLK);
1196 int array_var, src_var, dst_var, index_var;
1197 guint32 label2, label3;
1199 array_var = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
1200 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1201 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1204 mono_mb_emit_ldloc (mb, 1);
1205 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1206 mono_mb_emit_stloc (mb, array_var);
1208 /* save the old src pointer */
1209 mono_mb_emit_ldloc (mb, 0);
1210 mono_mb_emit_stloc (mb, src_var);
1211 /* save the old dst pointer */
1212 mono_mb_emit_ldloc (mb, 1);
1213 mono_mb_emit_stloc (mb, dst_var);
1215 /* Emit marshalling loop */
1216 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1217 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
1218 mono_mb_emit_stloc (mb, index_var);
1221 label2 = mono_mb_get_label (mb);
1222 mono_mb_emit_ldloc (mb, index_var);
1223 mono_mb_emit_ldloc (mb, array_var);
1224 mono_mb_emit_byte (mb, CEE_LDLEN);
1225 label3 = mono_mb_emit_branch (mb, CEE_BGE);
1227 /* src is already set */
1230 mono_mb_emit_ldloc (mb, array_var);
1231 mono_mb_emit_ldloc (mb, index_var);
1232 mono_mb_emit_op (mb, CEE_LDELEMA, eklass);
1233 mono_mb_emit_stloc (mb, 1);
1235 /* Do the conversion */
1236 emit_struct_conv (mb, eklass, TRUE);
1239 mono_mb_emit_add_to_local (mb, index_var, 1);
1241 mono_mb_emit_branch_label (mb, CEE_BR, label2);
1243 mono_mb_patch_branch (mb, label3);
1245 /* restore the old src pointer */
1246 mono_mb_emit_ldloc (mb, src_var);
1247 mono_mb_emit_stloc (mb, 0);
1248 /* restore the old dst pointer */
1249 mono_mb_emit_ldloc (mb, dst_var);
1250 mono_mb_emit_stloc (mb, 1);
1254 case MONO_MARSHAL_CONV_ARRAY_BYVALCHARARRAY: {
1255 MonoClass *eclass = mono_defaults.char_class;
1257 /* create a new array */
1258 mono_mb_emit_ldloc (mb, 1);
1259 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1260 mono_mb_emit_op (mb, CEE_NEWARR, eclass);
1261 mono_mb_emit_byte (mb, CEE_STIND_REF);
1263 mono_mb_emit_ldloc (mb, 1);
1264 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1265 mono_mb_emit_ldloc (mb, 0);
1266 mono_mb_emit_ptr (mb, mono_defaults.byte_class);
1267 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1268 mono_mb_emit_icall (mb, mono_byvalarray_to_array);
1271 case MONO_MARSHAL_CONV_STR_BYVALSTR:
1272 mono_mb_emit_ldloc (mb, 1);
1273 mono_mb_emit_ldloc (mb, 0);
1274 mono_mb_emit_icall (mb, mono_string_new_wrapper);
1275 mono_mb_emit_byte (mb, CEE_STIND_REF);
1277 case MONO_MARSHAL_CONV_STR_BYVALWSTR:
1278 mono_mb_emit_ldloc (mb, 1);
1279 mono_mb_emit_ldloc (mb, 0);
1280 mono_mb_emit_icall (mb, mono_string_from_utf16);
1281 mono_mb_emit_byte (mb, CEE_STIND_REF);
1283 case MONO_MARSHAL_CONV_STR_LPTSTR:
1284 mono_mb_emit_ldloc (mb, 1);
1285 mono_mb_emit_ldloc (mb, 0);
1286 mono_mb_emit_byte (mb, CEE_LDIND_I);
1288 mono_mb_emit_icall (mb, mono_string_from_utf16);
1290 mono_mb_emit_icall (mb, mono_string_new_wrapper);
1292 mono_mb_emit_byte (mb, CEE_STIND_REF);
1294 case MONO_MARSHAL_CONV_STR_LPSTR:
1295 mono_mb_emit_ldloc (mb, 1);
1296 mono_mb_emit_ldloc (mb, 0);
1297 mono_mb_emit_byte (mb, CEE_LDIND_I);
1298 mono_mb_emit_icall (mb, mono_string_new_wrapper);
1299 mono_mb_emit_byte (mb, CEE_STIND_REF);
1301 case MONO_MARSHAL_CONV_STR_LPWSTR:
1302 mono_mb_emit_ldloc (mb, 1);
1303 mono_mb_emit_ldloc (mb, 0);
1304 mono_mb_emit_byte (mb, CEE_LDIND_I);
1305 mono_mb_emit_icall (mb, mono_string_from_utf16);
1306 mono_mb_emit_byte (mb, CEE_STIND_REF);
1308 case MONO_MARSHAL_CONV_OBJECT_STRUCT: {
1309 MonoClass *klass = mono_class_from_mono_type (type);
1310 int src_var, dst_var;
1312 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1313 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1315 /* *dst = new object */
1316 mono_mb_emit_ldloc (mb, 1);
1317 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1318 mono_mb_emit_op (mb, CEE_MONO_NEWOBJ, klass);
1319 mono_mb_emit_byte (mb, CEE_STIND_REF);
1321 /* save the old src pointer */
1322 mono_mb_emit_ldloc (mb, 0);
1323 mono_mb_emit_stloc (mb, src_var);
1324 /* save the old dst pointer */
1325 mono_mb_emit_ldloc (mb, 1);
1326 mono_mb_emit_stloc (mb, dst_var);
1328 /* dst = pointer to newly created object data */
1329 mono_mb_emit_ldloc (mb, 1);
1330 mono_mb_emit_byte (mb, CEE_LDIND_I);
1331 mono_mb_emit_icon (mb, sizeof (MonoObject));
1332 mono_mb_emit_byte (mb, CEE_ADD);
1333 mono_mb_emit_stloc (mb, 1);
1335 emit_struct_conv (mb, klass, TRUE);
1337 /* restore the old src pointer */
1338 mono_mb_emit_ldloc (mb, src_var);
1339 mono_mb_emit_stloc (mb, 0);
1340 /* restore the old dst pointer */
1341 mono_mb_emit_ldloc (mb, dst_var);
1342 mono_mb_emit_stloc (mb, 1);
1345 case MONO_MARSHAL_CONV_DEL_FTN: {
1346 MonoClass *klass = mono_class_from_mono_type (type);
1348 mono_mb_emit_ldloc (mb, 1);
1349 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1350 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
1351 mono_mb_emit_ldloc (mb, 0);
1352 mono_mb_emit_byte (mb, CEE_LDIND_I);
1353 mono_mb_emit_icall (mb, mono_ftnptr_to_delegate);
1354 mono_mb_emit_byte (mb, CEE_STIND_REF);
1357 case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
1358 g_error ("Structure field of type %s can't be marshalled as LPArray", mono_class_from_mono_type (type)->name);
1362 case MONO_MARSHAL_CONV_OBJECT_INTERFACE:
1363 case MONO_MARSHAL_CONV_OBJECT_IUNKNOWN:
1364 case MONO_MARSHAL_CONV_OBJECT_IDISPATCH:
1365 mono_cominterop_emit_ptr_to_object_conv (mb, type, conv, mspec);
1367 #endif /* DISABLE_COM */
1369 case MONO_MARSHAL_CONV_SAFEHANDLE: {
1371 * Passing SafeHandles as ref does not allow the unmanaged code
1372 * to change the SafeHandle value. If the value is changed,
1373 * we should issue a diagnostic exception (NotSupportedException)
1374 * that informs the user that changes to handles in unmanaged code
1377 * Since we currently have no access to the original
1378 * SafeHandle that was used during the marshalling,
1379 * for now we just ignore this, and ignore/discard any
1380 * changes that might have happened to the handle.
1385 case MONO_MARSHAL_CONV_HANDLEREF: {
1387 * Passing HandleRefs in a struct that is ref()ed does not
1388 * copy the values back to the HandleRef
1393 case MONO_MARSHAL_CONV_STR_BSTR:
1394 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
1395 case MONO_MARSHAL_CONV_STR_TBSTR:
1396 case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
1398 char *msg = g_strdup_printf ("marshaling conversion %d not implemented", conv);
1400 mono_mb_emit_exception_marshal_directive (mb, msg);
1408 conv_to_icall (MonoMarshalConv conv)
1411 case MONO_MARSHAL_CONV_STR_LPWSTR:
1412 return mono_marshal_string_to_utf16;
1413 case MONO_MARSHAL_CONV_LPWSTR_STR:
1414 return mono_string_from_utf16;
1415 case MONO_MARSHAL_CONV_LPSTR_STR:
1417 return mono_string_from_utf16;
1419 return mono_string_new_wrapper;
1421 case MONO_MARSHAL_CONV_STR_LPTSTR:
1423 return mono_marshal_string_to_utf16;
1425 return mono_string_to_lpstr;
1427 case MONO_MARSHAL_CONV_STR_LPSTR:
1428 return mono_string_to_lpstr;
1429 case MONO_MARSHAL_CONV_STR_BSTR:
1430 return mono_string_to_bstr;
1431 case MONO_MARSHAL_CONV_BSTR_STR:
1432 return mono_string_from_bstr;
1433 case MONO_MARSHAL_CONV_STR_TBSTR:
1434 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
1435 return mono_string_to_ansibstr;
1436 case MONO_MARSHAL_CONV_SB_LPSTR:
1437 return mono_string_builder_to_utf8;
1438 case MONO_MARSHAL_CONV_SB_LPTSTR:
1440 return mono_string_builder_to_utf16;
1442 return mono_string_builder_to_utf8;
1444 case MONO_MARSHAL_CONV_SB_LPWSTR:
1445 return mono_string_builder_to_utf16;
1446 case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
1447 return mono_array_to_savearray;
1448 case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
1449 return mono_array_to_lparray;
1450 case MONO_MARSHAL_FREE_LPARRAY:
1451 return mono_free_lparray;
1452 case MONO_MARSHAL_CONV_DEL_FTN:
1453 return mono_delegate_to_ftnptr;
1454 case MONO_MARSHAL_CONV_FTN_DEL:
1455 return mono_ftnptr_to_delegate;
1456 case MONO_MARSHAL_CONV_LPSTR_SB:
1457 return mono_string_utf8_to_builder;
1458 case MONO_MARSHAL_CONV_LPTSTR_SB:
1460 return mono_string_utf16_to_builder;
1462 return mono_string_utf8_to_builder;
1464 case MONO_MARSHAL_CONV_LPWSTR_SB:
1465 return mono_string_utf16_to_builder;
1466 case MONO_MARSHAL_FREE_ARRAY:
1467 return mono_marshal_free_array;
1468 case MONO_MARSHAL_CONV_STR_BYVALSTR:
1469 return mono_string_to_byvalstr;
1470 case MONO_MARSHAL_CONV_STR_BYVALWSTR:
1471 return mono_string_to_byvalwstr;
1473 g_assert_not_reached ();
1480 emit_object_to_ptr_conv (MonoMethodBuilder *mb, MonoType *type, MonoMarshalConv conv, MonoMarshalSpec *mspec)
1485 case MONO_MARSHAL_CONV_BOOL_I4:
1486 mono_mb_emit_ldloc (mb, 1);
1487 mono_mb_emit_ldloc (mb, 0);
1488 mono_mb_emit_byte (mb, CEE_LDIND_U1);
1489 mono_mb_emit_byte (mb, CEE_STIND_I4);
1491 case MONO_MARSHAL_CONV_BOOL_VARIANTBOOL:
1492 mono_mb_emit_ldloc (mb, 1);
1493 mono_mb_emit_ldloc (mb, 0);
1494 mono_mb_emit_byte (mb, CEE_LDIND_U1);
1495 mono_mb_emit_byte (mb, CEE_NEG);
1496 mono_mb_emit_byte (mb, CEE_STIND_I2);
1498 case MONO_MARSHAL_CONV_STR_LPWSTR:
1499 case MONO_MARSHAL_CONV_STR_LPSTR:
1500 case MONO_MARSHAL_CONV_STR_LPTSTR:
1501 case MONO_MARSHAL_CONV_STR_BSTR:
1502 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
1503 case MONO_MARSHAL_CONV_STR_TBSTR: {
1506 /* free space if free == true */
1507 mono_mb_emit_ldloc (mb, 2);
1508 pos = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
1509 mono_mb_emit_ldloc (mb, 1);
1510 mono_mb_emit_byte (mb, CEE_LDIND_I);
1511 mono_mb_emit_icall (mb, g_free);
1512 mono_mb_patch_short_branch (mb, pos);
1514 mono_mb_emit_ldloc (mb, 1);
1515 mono_mb_emit_ldloc (mb, 0);
1516 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1517 mono_mb_emit_icall (mb, conv_to_icall (conv));
1518 mono_mb_emit_byte (mb, CEE_STIND_I);
1521 case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
1522 case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
1523 case MONO_MARSHAL_CONV_DEL_FTN:
1524 mono_mb_emit_ldloc (mb, 1);
1525 mono_mb_emit_ldloc (mb, 0);
1526 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1527 mono_mb_emit_icall (mb, conv_to_icall (conv));
1528 mono_mb_emit_byte (mb, CEE_STIND_I);
1530 case MONO_MARSHAL_CONV_STR_BYVALSTR:
1531 case MONO_MARSHAL_CONV_STR_BYVALWSTR: {
1534 mono_mb_emit_ldloc (mb, 1); /* dst */
1535 mono_mb_emit_ldloc (mb, 0);
1536 mono_mb_emit_byte (mb, CEE_LDIND_REF); /* src String */
1537 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1538 mono_mb_emit_icall (mb, conv_to_icall (conv));
1541 case MONO_MARSHAL_CONV_ARRAY_BYVALARRAY: {
1542 MonoClass *eklass = NULL;
1545 if (type->type == MONO_TYPE_SZARRAY) {
1546 eklass = type->data.klass;
1548 g_assert_not_reached ();
1551 if (eklass->valuetype)
1552 esize = mono_class_native_size (eklass, NULL);
1554 esize = sizeof (gpointer);
1556 mono_mb_emit_ldloc (mb, 0);
1557 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1558 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
1560 if (eklass->blittable) {
1561 mono_mb_emit_ldloc (mb, 1);
1562 mono_mb_emit_ldloc (mb, 0);
1563 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1564 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoArray, vector));
1565 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem * esize);
1566 mono_mb_emit_byte (mb, CEE_PREFIX1);
1567 mono_mb_emit_byte (mb, CEE_CPBLK);
1569 int array_var, src_var, dst_var, index_var;
1570 guint32 label2, label3;
1572 array_var = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
1573 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1574 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1577 mono_mb_emit_ldloc (mb, 0);
1578 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1579 mono_mb_emit_stloc (mb, array_var);
1581 /* save the old src pointer */
1582 mono_mb_emit_ldloc (mb, 0);
1583 mono_mb_emit_stloc (mb, src_var);
1584 /* save the old dst pointer */
1585 mono_mb_emit_ldloc (mb, 1);
1586 mono_mb_emit_stloc (mb, dst_var);
1588 /* Emit marshalling loop */
1589 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1590 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
1591 mono_mb_emit_stloc (mb, index_var);
1594 label2 = mono_mb_get_label (mb);
1595 mono_mb_emit_ldloc (mb, index_var);
1596 mono_mb_emit_ldloc (mb, array_var);
1597 mono_mb_emit_byte (mb, CEE_LDLEN);
1598 label3 = mono_mb_emit_branch (mb, CEE_BGE);
1601 mono_mb_emit_ldloc (mb, array_var);
1602 mono_mb_emit_ldloc (mb, index_var);
1603 mono_mb_emit_op (mb, CEE_LDELEMA, eklass);
1604 mono_mb_emit_stloc (mb, 0);
1606 /* dst is already set */
1608 /* Do the conversion */
1609 emit_struct_conv (mb, eklass, FALSE);
1612 mono_mb_emit_add_to_local (mb, index_var, 1);
1614 mono_mb_emit_branch_label (mb, CEE_BR, label2);
1616 mono_mb_patch_branch (mb, label3);
1618 /* restore the old src pointer */
1619 mono_mb_emit_ldloc (mb, src_var);
1620 mono_mb_emit_stloc (mb, 0);
1621 /* restore the old dst pointer */
1622 mono_mb_emit_ldloc (mb, dst_var);
1623 mono_mb_emit_stloc (mb, 1);
1626 mono_mb_patch_branch (mb, pos);
1629 case MONO_MARSHAL_CONV_ARRAY_BYVALCHARARRAY: {
1630 mono_mb_emit_ldloc (mb, 0);
1631 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1632 pos = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
1634 mono_mb_emit_ldloc (mb, 1);
1635 mono_mb_emit_ldloc (mb, 0);
1636 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1637 mono_mb_emit_ptr (mb, mono_defaults.byte_class);
1638 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1639 mono_mb_emit_icall (mb, mono_array_to_byvalarray);
1640 mono_mb_patch_short_branch (mb, pos);
1643 case MONO_MARSHAL_CONV_OBJECT_STRUCT: {
1644 int src_var, dst_var;
1646 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1647 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1649 mono_mb_emit_ldloc (mb, 0);
1650 mono_mb_emit_byte (mb, CEE_LDIND_I);
1651 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
1653 /* save the old src pointer */
1654 mono_mb_emit_ldloc (mb, 0);
1655 mono_mb_emit_stloc (mb, src_var);
1656 /* save the old dst pointer */
1657 mono_mb_emit_ldloc (mb, 1);
1658 mono_mb_emit_stloc (mb, dst_var);
1660 /* src = pointer to object data */
1661 mono_mb_emit_ldloc (mb, 0);
1662 mono_mb_emit_byte (mb, CEE_LDIND_I);
1663 mono_mb_emit_icon (mb, sizeof (MonoObject));
1664 mono_mb_emit_byte (mb, CEE_ADD);
1665 mono_mb_emit_stloc (mb, 0);
1667 emit_struct_conv (mb, mono_class_from_mono_type (type), FALSE);
1669 /* restore the old src pointer */
1670 mono_mb_emit_ldloc (mb, src_var);
1671 mono_mb_emit_stloc (mb, 0);
1672 /* restore the old dst pointer */
1673 mono_mb_emit_ldloc (mb, dst_var);
1674 mono_mb_emit_stloc (mb, 1);
1676 mono_mb_patch_branch (mb, pos);
1681 case MONO_MARSHAL_CONV_OBJECT_INTERFACE:
1682 case MONO_MARSHAL_CONV_OBJECT_IDISPATCH:
1683 case MONO_MARSHAL_CONV_OBJECT_IUNKNOWN:
1684 mono_cominterop_emit_object_to_ptr_conv (mb, type, conv, mspec);
1686 #endif /* DISABLE_COM */
1688 case MONO_MARSHAL_CONV_SAFEHANDLE: {
1689 int dar_release_slot, pos;
1691 dar_release_slot = mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
1694 * The following is ifdefed-out, because I have no way of doing the
1695 * DangerousRelease when destroying the structure
1698 /* set release = false */
1699 mono_mb_emit_icon (mb, 0);
1700 mono_mb_emit_stloc (mb, dar_release_slot);
1701 if (!sh_dangerous_add_ref)
1702 init_safe_handle ();
1704 /* safehandle.DangerousAddRef (ref release) */
1705 mono_mb_emit_ldloc (mb, 0); /* the source */
1706 mono_mb_emit_byte (mb, CEE_LDIND_I);
1707 mono_mb_emit_ldloc_addr (mb, dar_release_slot);
1708 mono_mb_emit_managed_call (mb, sh_dangerous_add_ref, NULL);
1710 mono_mb_emit_ldloc (mb, 0);
1711 mono_mb_emit_byte (mb, CEE_LDIND_I);
1712 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
1713 mono_mb_emit_exception (mb, "ArgumentNullException", NULL);
1714 mono_mb_patch_branch (mb, pos);
1716 /* Pull the handle field from SafeHandle */
1717 mono_mb_emit_ldloc (mb, 1);
1718 mono_mb_emit_ldloc (mb, 0);
1719 mono_mb_emit_byte (mb, CEE_LDIND_I);
1720 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoSafeHandle, handle));
1721 mono_mb_emit_byte (mb, CEE_LDIND_I);
1722 mono_mb_emit_byte (mb, CEE_STIND_I);
1726 case MONO_MARSHAL_CONV_HANDLEREF: {
1727 mono_mb_emit_ldloc (mb, 1);
1728 mono_mb_emit_ldloc (mb, 0);
1729 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoHandleRef, handle));
1730 mono_mb_emit_byte (mb, CEE_ADD);
1731 mono_mb_emit_byte (mb, CEE_LDIND_I);
1732 mono_mb_emit_byte (mb, CEE_STIND_I);
1737 char *msg = g_strdup_printf ("marshalling conversion %d not implemented", conv);
1738 MonoException *exc = mono_get_exception_not_implemented (msg);
1739 g_warning ("%s", msg);
1741 mono_raise_exception (exc);
1747 emit_struct_conv (MonoMethodBuilder *mb, MonoClass *klass, gboolean to_object)
1749 MonoMarshalType *info;
1753 emit_struct_conv(mb, klass->parent, to_object);
1755 info = mono_marshal_load_type_info (klass);
1757 if (info->native_size == 0)
1760 if (klass->blittable) {
1761 int msize = mono_class_value_size (klass, NULL);
1762 g_assert (msize == info->native_size);
1763 mono_mb_emit_ldloc (mb, 1);
1764 mono_mb_emit_ldloc (mb, 0);
1765 mono_mb_emit_icon (mb, msize);
1766 mono_mb_emit_byte (mb, CEE_PREFIX1);
1767 mono_mb_emit_byte (mb, CEE_CPBLK);
1769 mono_mb_emit_add_to_local (mb, 0, msize);
1770 mono_mb_emit_add_to_local (mb, 1, msize);
1774 if (klass != mono_defaults.safehandle_class) {
1775 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
1776 char *msg = g_strdup_printf ("Type %s which is passed to unmanaged code must have a StructLayout attribute.",
1777 mono_type_full_name (&klass->byval_arg));
1778 mono_mb_emit_exception_marshal_directive (mb, msg);
1783 for (i = 0; i < info->num_fields; i++) {
1784 MonoMarshalNative ntype;
1785 MonoMarshalConv conv;
1786 MonoType *ftype = info->fields [i].field->type;
1789 gboolean last_field = i < (info->num_fields -1) ? 0 : 1;
1791 if (ftype->attrs & FIELD_ATTRIBUTE_STATIC)
1794 ntype = mono_type_to_unmanaged (ftype, info->fields [i].mspec, TRUE, klass->unicode, &conv);
1797 msize = klass->instance_size - info->fields [i].field->offset;
1798 usize = info->native_size - info->fields [i].offset;
1800 msize = info->fields [i + 1].field->offset - info->fields [i].field->offset;
1801 usize = info->fields [i + 1].offset - info->fields [i].offset;
1804 if (klass != mono_defaults.safehandle_class){
1806 * FIXME: Should really check for usize==0 and msize>0, but we apply
1807 * the layout to the managed structure as well.
1810 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) && (usize == 0)) {
1811 if (MONO_TYPE_IS_REFERENCE (info->fields [i].field->type) ||
1812 ((!last_field && MONO_TYPE_IS_REFERENCE (info->fields [i + 1].field->type))))
1813 g_error ("Type %s which has an [ExplicitLayout] attribute cannot have a "
1814 "reference field at the same offset as another field.",
1815 mono_type_full_name (&klass->byval_arg));
1820 case MONO_MARSHAL_CONV_NONE: {
1823 if (ftype->byref || ftype->type == MONO_TYPE_I ||
1824 ftype->type == MONO_TYPE_U) {
1825 mono_mb_emit_ldloc (mb, 1);
1826 mono_mb_emit_ldloc (mb, 0);
1827 mono_mb_emit_byte (mb, CEE_LDIND_I);
1828 mono_mb_emit_byte (mb, CEE_STIND_I);
1839 case MONO_TYPE_BOOLEAN:
1842 case MONO_TYPE_CHAR:
1848 mono_mb_emit_ldloc (mb, 1);
1849 mono_mb_emit_ldloc (mb, 0);
1850 mono_mb_emit_byte (mb, mono_type_to_ldind (ftype));
1851 mono_mb_emit_byte (mb, mono_type_to_stind (ftype));
1853 case MONO_TYPE_VALUETYPE: {
1854 int src_var, dst_var;
1856 if (ftype->data.klass->enumtype) {
1857 ftype = mono_class_enum_basetype (ftype->data.klass);
1861 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1862 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1864 /* save the old src pointer */
1865 mono_mb_emit_ldloc (mb, 0);
1866 mono_mb_emit_stloc (mb, src_var);
1867 /* save the old dst pointer */
1868 mono_mb_emit_ldloc (mb, 1);
1869 mono_mb_emit_stloc (mb, dst_var);
1871 emit_struct_conv (mb, ftype->data.klass, to_object);
1873 /* restore the old src pointer */
1874 mono_mb_emit_ldloc (mb, src_var);
1875 mono_mb_emit_stloc (mb, 0);
1876 /* restore the old dst pointer */
1877 mono_mb_emit_ldloc (mb, dst_var);
1878 mono_mb_emit_stloc (mb, 1);
1881 case MONO_TYPE_OBJECT: {
1882 mono_init_com_types ();
1884 static MonoMethod *variant_clear = NULL;
1885 static MonoMethod *get_object_for_native_variant = NULL;
1888 variant_clear = mono_class_get_method_from_name (mono_defaults.variant_class, "Clear", 0);
1889 if (!get_object_for_native_variant)
1890 get_object_for_native_variant = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetObjectForNativeVariant", 1);
1891 mono_mb_emit_ldloc (mb, 1);
1892 mono_mb_emit_ldloc (mb, 0);
1893 mono_mb_emit_managed_call (mb, get_object_for_native_variant, NULL);
1894 mono_mb_emit_byte (mb, CEE_STIND_REF);
1896 mono_mb_emit_ldloc (mb, 0);
1897 mono_mb_emit_managed_call (mb, variant_clear, NULL);
1900 static MonoMethod *get_native_variant_for_object = NULL;
1902 if (!get_native_variant_for_object)
1903 get_native_variant_for_object = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetNativeVariantForObject", 2);
1905 mono_mb_emit_ldloc (mb, 0);
1906 mono_mb_emit_byte(mb, CEE_LDIND_REF);
1907 mono_mb_emit_ldloc (mb, 1);
1908 mono_mb_emit_managed_call (mb, get_native_variant_for_object, NULL);
1914 g_warning ("marshaling type %02x not implemented", ftype->type);
1915 g_assert_not_reached ();
1920 int src_var, dst_var;
1922 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1923 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1925 /* save the old src pointer */
1926 mono_mb_emit_ldloc (mb, 0);
1927 mono_mb_emit_stloc (mb, src_var);
1928 /* save the old dst pointer */
1929 mono_mb_emit_ldloc (mb, 1);
1930 mono_mb_emit_stloc (mb, dst_var);
1933 emit_ptr_to_object_conv (mb, ftype, conv, info->fields [i].mspec);
1935 emit_object_to_ptr_conv (mb, ftype, conv, info->fields [i].mspec);
1937 /* restore the old src pointer */
1938 mono_mb_emit_ldloc (mb, src_var);
1939 mono_mb_emit_stloc (mb, 0);
1940 /* restore the old dst pointer */
1941 mono_mb_emit_ldloc (mb, dst_var);
1942 mono_mb_emit_stloc (mb, 1);
1947 mono_mb_emit_add_to_local (mb, 0, usize);
1948 mono_mb_emit_add_to_local (mb, 1, msize);
1950 mono_mb_emit_add_to_local (mb, 0, msize);
1951 mono_mb_emit_add_to_local (mb, 1, usize);
1957 emit_struct_free (MonoMethodBuilder *mb, MonoClass *klass, int struct_var)
1959 /* Call DestroyStructure */
1960 /* FIXME: Only do this if needed */
1961 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1962 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
1963 mono_mb_emit_ldloc (mb, struct_var);
1964 mono_mb_emit_icall (mb, mono_struct_delete_old);
1968 emit_thread_interrupt_checkpoint_call (MonoMethodBuilder *mb, gpointer checkpoint_func)
1972 mono_mb_emit_ptr (mb, (gpointer) mono_thread_interruption_request_flag ());
1973 mono_mb_emit_byte (mb, CEE_LDIND_U4);
1974 pos_noabort = mono_mb_emit_branch (mb, CEE_BRFALSE);
1976 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1977 mono_mb_emit_byte (mb, CEE_MONO_NOT_TAKEN);
1979 mono_mb_emit_icall (mb, checkpoint_func);
1981 mono_mb_patch_branch (mb, pos_noabort);
1985 emit_thread_interrupt_checkpoint (MonoMethodBuilder *mb)
1987 if (strstr (mb->name, "mono_thread_interruption_checkpoint"))
1990 emit_thread_interrupt_checkpoint_call (mb, mono_thread_interruption_checkpoint);
1994 emit_thread_force_interrupt_checkpoint (MonoMethodBuilder *mb)
1996 emit_thread_interrupt_checkpoint_call (mb, mono_thread_force_interruption_checkpoint);
2000 mono_marshal_emit_thread_interrupt_checkpoint (MonoMethodBuilder *mb)
2002 emit_thread_interrupt_checkpoint (mb);
2005 static MonoAsyncResult *
2006 mono_delegate_begin_invoke (MonoDelegate *delegate, gpointer *params)
2008 MonoMethodMessage *msg;
2009 MonoDelegate *async_callback;
2010 MonoMulticastDelegate *mcast_delegate;
2014 MonoMethod *method = NULL, *method2 = NULL;
2016 g_assert (delegate);
2017 mcast_delegate = (MonoMulticastDelegate *) delegate;
2018 if (mcast_delegate->prev != NULL)
2019 mono_raise_exception (mono_get_exception_argument (NULL, "The delegate must have only one target"));
2021 if (delegate->target && mono_object_class (delegate->target) == mono_defaults.transparent_proxy_class) {
2023 MonoTransparentProxy* tp = (MonoTransparentProxy *)delegate->target;
2024 if (!tp->remote_class->proxy_class->contextbound || tp->rp->context != (MonoObject *) mono_context_get ()) {
2026 /* If the target is a proxy, make a direct call. Is proxy's work
2027 // to make the call asynchronous.
2029 MonoAsyncResult *ares;
2031 MonoArray *out_args;
2032 method = delegate->method;
2034 msg = mono_method_call_message_new (mono_marshal_method_from_wrapper (method), params, NULL, &async_callback, &state);
2035 ares = mono_async_result_new (mono_domain_get (), NULL, state, NULL, NULL);
2036 MONO_OBJECT_SETREF (ares, async_delegate, (MonoObject *)delegate);
2037 MONO_OBJECT_SETREF (ares, async_callback, (MonoObject *)async_callback);
2038 MONO_OBJECT_SETREF (msg, async_result, ares);
2039 msg->call_type = CallType_BeginInvoke;
2042 mono_remoting_invoke ((MonoObject *)tp->rp, msg, &exc, &out_args);
2044 mono_raise_exception ((MonoException *) exc);
2049 klass = delegate->object.vtable->klass;
2051 method = mono_get_delegate_invoke (klass);
2052 method2 = mono_class_get_method_from_name (klass, "BeginInvoke", -1);
2055 g_assert (method != NULL);
2057 im = mono_get_delegate_invoke (method->klass);
2058 msg = mono_method_call_message_new (method, params, im, &async_callback, &state);
2060 return mono_thread_pool_add ((MonoObject *)delegate, msg, async_callback, state);
2064 mono_mb_emit_save_args (MonoMethodBuilder *mb, MonoMethodSignature *sig, gboolean save_this)
2066 int i, params_var, tmp_var;
2068 /* allocate local (pointer) *params[] */
2069 params_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2070 /* allocate local (pointer) tmp */
2071 tmp_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2073 /* alloate space on stack to store an array of pointers to the arguments */
2074 mono_mb_emit_icon (mb, sizeof (gpointer) * (sig->param_count + 1));
2075 mono_mb_emit_byte (mb, CEE_PREFIX1);
2076 mono_mb_emit_byte (mb, CEE_LOCALLOC);
2077 mono_mb_emit_stloc (mb, params_var);
2080 mono_mb_emit_ldloc (mb, params_var);
2081 mono_mb_emit_stloc (mb, tmp_var);
2083 if (save_this && sig->hasthis) {
2084 mono_mb_emit_ldloc (mb, tmp_var);
2085 mono_mb_emit_ldarg_addr (mb, 0);
2086 mono_mb_emit_byte (mb, CEE_STIND_I);
2087 /* tmp = tmp + sizeof (gpointer) */
2088 if (sig->param_count)
2089 mono_mb_emit_add_to_local (mb, tmp_var, sizeof (gpointer));
2093 for (i = 0; i < sig->param_count; i++) {
2094 mono_mb_emit_ldloc (mb, tmp_var);
2095 mono_mb_emit_ldarg_addr (mb, i + sig->hasthis);
2096 mono_mb_emit_byte (mb, CEE_STIND_I);
2097 /* tmp = tmp + sizeof (gpointer) */
2098 if (i < (sig->param_count - 1))
2099 mono_mb_emit_add_to_local (mb, tmp_var, sizeof (gpointer));
2106 mono_signature_to_name (MonoMethodSignature *sig, const char *prefix)
2110 GString *res = g_string_new ("");
2113 g_string_append (res, prefix);
2114 g_string_append_c (res, '_');
2117 mono_type_get_desc (res, sig->ret, FALSE);
2120 g_string_append (res, "__this__");
2122 for (i = 0; i < sig->param_count; ++i) {
2123 g_string_append_c (res, '_');
2124 mono_type_get_desc (res, sig->params [i], FALSE);
2127 g_string_free (res, FALSE);
2132 * mono_marshal_get_string_encoding:
2134 * Return the string encoding which should be used for a given parameter.
2136 static MonoMarshalNative
2137 mono_marshal_get_string_encoding (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
2139 /* First try the parameter marshal info */
2141 if (spec->native == MONO_NATIVE_LPARRAY) {
2142 if ((spec->data.array_data.elem_type != 0) && (spec->data.array_data.elem_type != MONO_NATIVE_MAX))
2143 return spec->data.array_data.elem_type;
2146 return spec->native;
2150 return MONO_NATIVE_LPSTR;
2152 /* Then try the method level marshal info */
2153 switch (piinfo->piflags & PINVOKE_ATTRIBUTE_CHAR_SET_MASK) {
2154 case PINVOKE_ATTRIBUTE_CHAR_SET_ANSI:
2155 return MONO_NATIVE_LPSTR;
2156 case PINVOKE_ATTRIBUTE_CHAR_SET_UNICODE:
2157 return MONO_NATIVE_LPWSTR;
2158 case PINVOKE_ATTRIBUTE_CHAR_SET_AUTO:
2160 return MONO_NATIVE_LPWSTR;
2162 return MONO_NATIVE_LPSTR;
2165 return MONO_NATIVE_LPSTR;
2169 static MonoMarshalConv
2170 mono_marshal_get_string_to_ptr_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
2172 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
2175 case MONO_NATIVE_LPWSTR:
2176 return MONO_MARSHAL_CONV_STR_LPWSTR;
2177 case MONO_NATIVE_LPSTR:
2178 return MONO_MARSHAL_CONV_STR_LPSTR;
2179 case MONO_NATIVE_LPTSTR:
2180 return MONO_MARSHAL_CONV_STR_LPTSTR;
2181 case MONO_NATIVE_BSTR:
2182 return MONO_MARSHAL_CONV_STR_BSTR;
2188 static MonoMarshalConv
2189 mono_marshal_get_stringbuilder_to_ptr_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
2191 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
2194 case MONO_NATIVE_LPWSTR:
2195 return MONO_MARSHAL_CONV_SB_LPWSTR;
2197 case MONO_NATIVE_LPSTR:
2198 return MONO_MARSHAL_CONV_SB_LPSTR;
2200 case MONO_NATIVE_LPTSTR:
2201 return MONO_MARSHAL_CONV_SB_LPTSTR;
2208 static MonoMarshalConv
2209 mono_marshal_get_ptr_to_string_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec, gboolean *need_free)
2211 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
2216 case MONO_NATIVE_LPWSTR:
2218 return MONO_MARSHAL_CONV_LPWSTR_STR;
2219 case MONO_NATIVE_LPSTR:
2220 return MONO_MARSHAL_CONV_LPSTR_STR;
2221 case MONO_NATIVE_LPTSTR:
2222 return MONO_MARSHAL_CONV_LPTSTR_STR;
2223 case MONO_NATIVE_BSTR:
2224 return MONO_MARSHAL_CONV_BSTR_STR;
2230 static MonoMarshalConv
2231 mono_marshal_get_ptr_to_stringbuilder_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec, gboolean *need_free)
2233 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
2238 case MONO_NATIVE_LPWSTR:
2240 * mono_string_builder_to_utf16 does not allocate a
2241 * new buffer, so no need to free it.
2244 return MONO_MARSHAL_CONV_LPWSTR_SB;
2245 case MONO_NATIVE_LPSTR:
2246 return MONO_MARSHAL_CONV_LPSTR_SB;
2248 case MONO_NATIVE_LPTSTR:
2249 return MONO_MARSHAL_CONV_LPTSTR_SB;
2257 * Return whenever a field of a native structure or an array member needs to
2261 mono_marshal_need_free (MonoType *t, MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
2263 MonoMarshalNative encoding;
2264 MonoMarshalConv conv;
2267 case MONO_TYPE_VALUETYPE:
2268 /* FIXME: Optimize this */
2270 case MONO_TYPE_OBJECT:
2271 case MONO_TYPE_CLASS:
2272 if (t->data.klass == mono_defaults.stringbuilder_class) {
2274 conv = mono_marshal_get_ptr_to_stringbuilder_conv (piinfo, spec, &need_free);
2278 case MONO_TYPE_STRING:
2279 encoding = mono_marshal_get_string_encoding (piinfo, spec);
2280 return (encoding == MONO_NATIVE_LPWSTR) ? FALSE : TRUE;
2287 * Return the hash table pointed to by VAR, lazily creating it if neccesary.
2290 get_cache (GHashTable **var, GHashFunc hash_func, GCompareFunc equal_func)
2293 mono_marshal_lock ();
2296 g_hash_table_new (hash_func, equal_func);
2297 mono_memory_barrier ();
2300 mono_marshal_unlock ();
2306 get_cache_full (GHashTable **var, GHashFunc hash_func, GCompareFunc equal_func, GDestroyNotify key_destroy_func, GDestroyNotify value_destroy_func)
2309 mono_marshal_lock ();
2312 g_hash_table_new_full (hash_func, equal_func, key_destroy_func, value_destroy_func);
2313 mono_memory_barrier ();
2316 mono_marshal_unlock ();
2322 mono_marshal_get_cache (GHashTable **var, GHashFunc hash_func, GCompareFunc equal_func)
2324 return get_cache (var, hash_func, equal_func);
2328 mono_marshal_find_in_cache (GHashTable *cache, gpointer key)
2332 mono_marshal_lock ();
2333 res = g_hash_table_lookup (cache, key);
2334 mono_marshal_unlock ();
2338 /* Create the method from the builder and place it in the cache */
2340 mono_mb_create_and_cache (GHashTable *cache, gpointer key,
2341 MonoMethodBuilder *mb, MonoMethodSignature *sig,
2346 mono_marshal_lock ();
2347 res = g_hash_table_lookup (cache, key);
2348 mono_marshal_unlock ();
2351 newm = mono_mb_create_method (mb, sig, max_stack);
2352 mono_marshal_lock ();
2353 res = g_hash_table_lookup (cache, key);
2356 g_hash_table_insert (cache, key, res);
2357 mono_marshal_set_wrapper_info (res, key);
2358 mono_marshal_unlock ();
2360 mono_marshal_unlock ();
2361 mono_free_method (newm);
2369 static inline MonoMethod*
2370 mono_marshal_remoting_find_in_cache (MonoMethod *method, int wrapper_type)
2372 MonoMethod *res = NULL;
2373 MonoRemotingMethods *wrps;
2375 mono_marshal_lock ();
2376 if (method->klass->image->remoting_invoke_cache)
2377 wrps = g_hash_table_lookup (method->klass->image->remoting_invoke_cache, method);
2382 switch (wrapper_type) {
2383 case MONO_WRAPPER_REMOTING_INVOKE: res = wrps->invoke; break;
2384 case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK: res = wrps->invoke_with_check; break;
2385 case MONO_WRAPPER_XDOMAIN_INVOKE: res = wrps->xdomain_invoke; break;
2386 case MONO_WRAPPER_XDOMAIN_DISPATCH: res = wrps->xdomain_dispatch; break;
2390 /* it is important to do the unlock after the load from wrps, since in
2391 * mono_remoting_mb_create_and_cache () we drop the marshal lock to be able
2392 * to take the loader lock and some other thread may set the fields.
2394 mono_marshal_unlock ();
2398 /* Create the method from the builder and place it in the cache */
2399 static inline MonoMethod*
2400 mono_remoting_mb_create_and_cache (MonoMethod *key, MonoMethodBuilder *mb,
2401 MonoMethodSignature *sig, int max_stack)
2403 MonoMethod **res = NULL;
2404 MonoRemotingMethods *wrps;
2405 GHashTable *cache = get_cache_full (&key->klass->image->remoting_invoke_cache, mono_aligned_addr_hash, NULL, NULL, g_free);
2407 mono_marshal_lock ();
2408 wrps = g_hash_table_lookup (cache, key);
2410 wrps = g_new0 (MonoRemotingMethods, 1);
2411 g_hash_table_insert (cache, key, wrps);
2414 switch (mb->method->wrapper_type) {
2415 case MONO_WRAPPER_REMOTING_INVOKE: res = &wrps->invoke; break;
2416 case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK: res = &wrps->invoke_with_check; break;
2417 case MONO_WRAPPER_XDOMAIN_INVOKE: res = &wrps->xdomain_invoke; break;
2418 case MONO_WRAPPER_XDOMAIN_DISPATCH: res = &wrps->xdomain_dispatch; break;
2419 default: g_assert_not_reached (); break;
2421 mono_marshal_unlock ();
2425 newm = mono_mb_create_method (mb, sig, max_stack);
2427 mono_marshal_lock ();
2430 mono_marshal_set_wrapper_info (*res, key);
2431 mono_marshal_unlock ();
2433 mono_marshal_unlock ();
2434 mono_free_method (newm);
2442 mono_marshal_method_from_wrapper (MonoMethod *wrapper)
2445 int wrapper_type = wrapper->wrapper_type;
2447 if (wrapper_type == MONO_WRAPPER_NONE || wrapper_type == MONO_WRAPPER_DYNAMIC_METHOD)
2450 switch (wrapper_type) {
2451 case MONO_WRAPPER_REMOTING_INVOKE:
2452 case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK:
2453 case MONO_WRAPPER_XDOMAIN_INVOKE:
2454 case MONO_WRAPPER_SYNCHRONIZED:
2455 case MONO_WRAPPER_MANAGED_TO_NATIVE:
2456 case MONO_WRAPPER_RUNTIME_INVOKE:
2457 res = mono_method_get_wrapper_data (wrapper, 1);
2467 * mono_marshal_get_wrapper_info:
2469 * Retrieve the pointer stored by mono_marshal_set_wrapper_info.
2472 mono_marshal_get_wrapper_info (MonoMethod *wrapper)
2474 g_assert (wrapper->wrapper_type);
2476 return mono_method_get_wrapper_data (wrapper, 1);
2480 * mono_marshal_set_wrapper_info:
2482 * Store an arbitrary pointer inside the wrapper which is retrievable by
2483 * mono_marshal_get_wrapper_info. The format of the data depends on the type of the
2484 * wrapper (method->wrapper_type).
2487 mono_marshal_set_wrapper_info (MonoMethod *method, gpointer data)
2491 if (method->wrapper_type == MONO_WRAPPER_NONE || method->wrapper_type == MONO_WRAPPER_DYNAMIC_METHOD)
2494 datav = ((MonoMethodWrapper *)method)->method_data;
2499 * get_wrapper_target_class:
2501 * Return the class where a wrapper method should be placed.
2504 get_wrapper_target_class (MonoImage *image)
2510 * - can't put all wrappers into an mscorlib class, because they reference
2511 * metadata (signature) so they should be put into the same image as the
2512 * method they wrap, so they are unloaded together.
2513 * - putting them into a class with a type initalizer could cause the
2514 * initializer to be executed which can be a problem if the wrappers are
2516 * - putting them into an inflated class can cause problems if the the
2517 * class is deleted because it references an image which is unloaded.
2518 * To avoid these problems, we put the wrappers into the <Module> class of
2522 klass = ((MonoDynamicImage*)image)->wrappers_type;
2524 klass = mono_class_get (image, mono_metadata_make_token (MONO_TABLE_TYPEDEF, 1));
2531 mono_marshal_get_delegate_begin_invoke (MonoMethod *method)
2533 MonoMethodSignature *sig;
2534 MonoMethodBuilder *mb;
2540 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
2541 !strcmp (method->name, "BeginInvoke"));
2543 sig = mono_signature_no_pinvoke (method);
2545 cache = get_cache (&method->klass->image->delegate_begin_invoke_cache,
2546 (GHashFunc)mono_signature_hash,
2547 (GCompareFunc)mono_metadata_signature_equal);
2548 if ((res = mono_marshal_find_in_cache (cache, sig)))
2551 g_assert (sig->hasthis);
2553 name = mono_signature_to_name (sig, "begin_invoke");
2554 mb = mono_mb_new (get_wrapper_target_class (method->klass->image), name, MONO_WRAPPER_DELEGATE_BEGIN_INVOKE);
2557 params_var = mono_mb_emit_save_args (mb, sig, FALSE);
2559 mono_mb_emit_ldarg (mb, 0);
2560 mono_mb_emit_ldloc (mb, params_var);
2561 mono_mb_emit_icall (mb, mono_delegate_begin_invoke);
2562 mono_mb_emit_byte (mb, CEE_RET);
2564 res = mono_mb_create_and_cache (cache, sig, mb, sig, sig->param_count + 16);
2570 mono_delegate_end_invoke (MonoDelegate *delegate, gpointer *params)
2572 MonoDomain *domain = mono_domain_get ();
2573 MonoAsyncResult *ares;
2574 MonoMethod *method = NULL;
2575 MonoMethodSignature *sig;
2576 MonoMethodMessage *msg;
2577 MonoObject *res, *exc;
2578 MonoArray *out_args;
2581 g_assert (delegate);
2583 if (!delegate->method_info) {
2584 g_assert (delegate->method);
2585 MONO_OBJECT_SETREF (delegate, method_info, mono_method_get_object (domain, delegate->method, NULL));
2588 if (!delegate->method_info || !delegate->method_info->method)
2589 g_assert_not_reached ();
2591 klass = delegate->object.vtable->klass;
2593 method = mono_class_get_method_from_name (klass, "EndInvoke", -1);
2594 g_assert (method != NULL);
2596 sig = mono_signature_no_pinvoke (method);
2598 msg = mono_method_call_message_new (method, params, NULL, NULL, NULL);
2600 ares = mono_array_get (msg->args, gpointer, sig->param_count - 1);
2602 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."));
2606 if (ares->async_delegate != (MonoObject*)delegate) {
2607 mono_raise_exception (mono_get_exception_invalid_operation (
2608 "The IAsyncResult object provided does not match this delegate."));
2612 if (delegate->target && mono_object_class (delegate->target) == mono_defaults.transparent_proxy_class) {
2613 MonoTransparentProxy* tp = (MonoTransparentProxy *)delegate->target;
2614 msg = (MonoMethodMessage *)mono_object_new (domain, mono_defaults.mono_method_message_class);
2615 mono_message_init (domain, msg, delegate->method_info, NULL);
2616 msg->call_type = CallType_EndInvoke;
2617 MONO_OBJECT_SETREF (msg, async_result, ares);
2618 res = mono_remoting_invoke ((MonoObject *)tp->rp, msg, &exc, &out_args);
2620 res = mono_thread_pool_finish (ares, &out_args, &exc);
2624 if (((MonoException*)exc)->stack_trace) {
2625 char *strace = mono_string_to_utf8 (((MonoException*)exc)->stack_trace);
2627 tmp = g_strdup_printf ("%s\nException Rethrown at:\n", strace);
2629 MONO_OBJECT_SETREF (((MonoException*)exc), stack_trace, mono_string_new (domain, tmp));
2632 mono_raise_exception ((MonoException*)exc);
2635 mono_method_return_message_restore (method, params, out_args);
2640 mono_mb_emit_restore_result (MonoMethodBuilder *mb, MonoType *return_type)
2642 MonoType *t = mono_type_get_underlying_type (return_type);
2644 if (return_type->byref)
2645 return_type = &mono_defaults.int_class->byval_arg;
2648 case MONO_TYPE_VOID:
2649 g_assert_not_reached ();
2652 case MONO_TYPE_STRING:
2653 case MONO_TYPE_CLASS:
2654 case MONO_TYPE_OBJECT:
2655 case MONO_TYPE_ARRAY:
2656 case MONO_TYPE_SZARRAY:
2660 case MONO_TYPE_BOOLEAN:
2663 case MONO_TYPE_CHAR:
2673 mono_mb_emit_op (mb, CEE_UNBOX, mono_class_from_mono_type (return_type));
2674 mono_mb_emit_byte (mb, mono_type_to_ldind (return_type));
2676 case MONO_TYPE_GENERICINST:
2677 if (!mono_type_generic_inst_is_valuetype (t))
2680 case MONO_TYPE_VALUETYPE: {
2681 MonoClass *klass = mono_class_from_mono_type (return_type);
2682 mono_mb_emit_op (mb, CEE_UNBOX, klass);
2683 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
2687 g_warning ("type 0x%x not handled", return_type->type);
2688 g_assert_not_reached ();
2691 mono_mb_emit_byte (mb, CEE_RET);
2695 mono_marshal_get_delegate_end_invoke (MonoMethod *method)
2697 MonoMethodSignature *sig;
2698 MonoMethodBuilder *mb;
2704 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
2705 !strcmp (method->name, "EndInvoke"));
2707 sig = mono_signature_no_pinvoke (method);
2709 cache = get_cache (&method->klass->image->delegate_end_invoke_cache,
2710 (GHashFunc)mono_signature_hash,
2711 (GCompareFunc)mono_metadata_signature_equal);
2712 if ((res = mono_marshal_find_in_cache (cache, sig)))
2715 g_assert (sig->hasthis);
2717 name = mono_signature_to_name (sig, "end_invoke");
2718 mb = mono_mb_new (get_wrapper_target_class (method->klass->image), name, MONO_WRAPPER_DELEGATE_END_INVOKE);
2721 params_var = mono_mb_emit_save_args (mb, sig, FALSE);
2723 mono_mb_emit_ldarg (mb, 0);
2724 mono_mb_emit_ldloc (mb, params_var);
2725 mono_mb_emit_icall (mb, mono_delegate_end_invoke);
2727 if (sig->ret->type == MONO_TYPE_VOID) {
2728 mono_mb_emit_byte (mb, CEE_POP);
2729 mono_mb_emit_byte (mb, CEE_RET);
2731 mono_mb_emit_restore_result (mb, sig->ret);
2733 res = mono_mb_create_and_cache (cache, sig,
2734 mb, sig, sig->param_count + 16);
2741 mono_remoting_wrapper (MonoMethod *method, gpointer *params)
2743 MonoMethodMessage *msg;
2744 MonoTransparentProxy *this;
2745 MonoObject *res, *exc;
2746 MonoArray *out_args;
2748 this = *((MonoTransparentProxy **)params [0]);
2751 g_assert (((MonoObject *)this)->vtable->klass == mono_defaults.transparent_proxy_class);
2753 /* skip the this pointer */
2756 if (this->remote_class->proxy_class->contextbound && this->rp->context == (MonoObject *) mono_context_get ())
2759 MonoMethodSignature *sig = mono_method_signature (method);
2760 int count = sig->param_count;
2761 gpointer* mparams = (gpointer*) alloca(count*sizeof(gpointer));
2763 for (i=0; i<count; i++) {
2764 MonoClass *class = mono_class_from_mono_type (sig->params [i]);
2765 if (class->valuetype) {
2766 if (sig->params [i]->byref) {
2767 mparams[i] = *((gpointer *)params [i]);
2769 /* runtime_invoke expects a boxed instance */
2770 if (mono_class_is_nullable (mono_class_from_mono_type (sig->params [i])))
2771 mparams[i] = mono_nullable_box (params [i], class);
2773 mparams[i] = params [i];
2776 mparams[i] = *((gpointer**)params [i]);
2780 return mono_runtime_invoke (method, method->klass->valuetype? mono_object_unbox ((MonoObject*)this): this, mparams, NULL);
2783 msg = mono_method_call_message_new (method, params, NULL, NULL, NULL);
2785 res = mono_remoting_invoke ((MonoObject *)this->rp, msg, &exc, &out_args);
2788 mono_raise_exception ((MonoException *)exc);
2790 mono_method_return_message_restore (method, params, out_args);
2796 mono_marshal_get_remoting_invoke (MonoMethod *method)
2798 MonoMethodSignature *sig;
2799 MonoMethodBuilder *mb;
2805 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE || method->wrapper_type == MONO_WRAPPER_XDOMAIN_INVOKE)
2808 /* this seems to be the best plase to put this, as all remoting invokes seem to get filtered through here */
2809 if (method->klass->is_com_object || method->klass == mono_defaults.com_object_class) {
2810 MonoVTable *vtable = mono_class_vtable (mono_domain_get (), method->klass);
2811 g_assert (vtable); /*FIXME do proper error handling*/
2813 if (!vtable->remote) {
2815 return mono_cominterop_get_invoke (method);
2817 g_assert_not_reached ();
2822 sig = mono_signature_no_pinvoke (method);
2824 /* we cant remote methods without this pointer */
2828 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_REMOTING_INVOKE)))
2831 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_REMOTING_INVOKE);
2832 mb->method->save_lmf = 1;
2834 params_var = mono_mb_emit_save_args (mb, sig, TRUE);
2836 mono_mb_emit_ptr (mb, method);
2837 mono_mb_emit_ldloc (mb, params_var);
2838 mono_mb_emit_icall (mb, mono_remoting_wrapper);
2839 emit_thread_interrupt_checkpoint (mb);
2841 if (sig->ret->type == MONO_TYPE_VOID) {
2842 mono_mb_emit_byte (mb, CEE_POP);
2843 mono_mb_emit_byte (mb, CEE_RET);
2845 mono_mb_emit_restore_result (mb, sig->ret);
2848 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16);
2854 /* mono_get_xdomain_marshal_type()
2855 * Returns the kind of marshalling that a type needs for cross domain calls.
2857 static MonoXDomainMarshalType
2858 mono_get_xdomain_marshal_type (MonoType *t)
2861 case MONO_TYPE_VOID:
2862 g_assert_not_reached ();
2866 case MONO_TYPE_BOOLEAN:
2869 case MONO_TYPE_CHAR:
2876 return MONO_MARSHAL_NONE;
2877 case MONO_TYPE_STRING:
2878 return MONO_MARSHAL_COPY;
2879 case MONO_TYPE_ARRAY:
2880 case MONO_TYPE_SZARRAY: {
2881 MonoClass *elem_class = mono_class_from_mono_type (t)->element_class;
2882 if (mono_get_xdomain_marshal_type (&(elem_class->byval_arg)) != MONO_MARSHAL_SERIALIZE)
2883 return MONO_MARSHAL_COPY;
2888 return MONO_MARSHAL_SERIALIZE;
2892 /* mono_marshal_xdomain_copy_value
2893 * Makes a copy of "val" suitable for the current domain.
2896 mono_marshal_xdomain_copy_value (MonoObject *val)
2899 if (val == NULL) return NULL;
2901 domain = mono_domain_get ();
2903 switch (mono_object_class (val)->byval_arg.type) {
2904 case MONO_TYPE_VOID:
2905 g_assert_not_reached ();
2909 case MONO_TYPE_BOOLEAN:
2912 case MONO_TYPE_CHAR:
2918 case MONO_TYPE_R8: {
2919 return mono_value_box (domain, mono_object_class (val), ((char*)val) + sizeof(MonoObject));
2921 case MONO_TYPE_STRING: {
2922 MonoString *str = (MonoString *) val;
2923 return (MonoObject *) mono_string_new_utf16 (domain, mono_string_chars (str), mono_string_length (str));
2925 case MONO_TYPE_ARRAY:
2926 case MONO_TYPE_SZARRAY: {
2928 MonoXDomainMarshalType mt = mono_get_xdomain_marshal_type (&(mono_object_class (val)->element_class->byval_arg));
2929 if (mt == MONO_MARSHAL_SERIALIZE) return NULL;
2930 acopy = mono_array_clone_in_domain (domain, (MonoArray *) val);
2931 if (mt == MONO_MARSHAL_COPY) {
2932 int i, len = mono_array_length (acopy);
2933 for (i = 0; i < len; i++) {
2934 MonoObject *item = mono_array_get (acopy, gpointer, i);
2935 mono_array_setref (acopy, i, mono_marshal_xdomain_copy_value (item));
2938 return (MonoObject *) acopy;
2942 if (mono_object_class (val) == mono_defaults.stringbuilder_class) {
2943 MonoStringBuilder *oldsb = (MonoStringBuilder *) val;
2944 MonoStringBuilder *newsb = (MonoStringBuilder *) mono_object_new (domain, mono_defaults.stringbuilder_class);
2945 MONO_OBJECT_SETREF (newsb, str, mono_string_new_utf16 (domain, mono_string_chars (oldsb->str), mono_string_length (oldsb->str)));
2946 newsb->length = oldsb->length;
2947 newsb->max_capacity = (gint32)0x7fffffff;
2948 return (MonoObject *) newsb;
2953 /* mono_marshal_xdomain_copy_out_value()
2954 * Copies the contents of the src instance into the dst instance. src and dst
2955 * must have the same type, and if they are arrays, the same size.
2958 mono_marshal_xdomain_copy_out_value (MonoObject *src, MonoObject *dst)
2960 if (src == NULL || dst == NULL) return;
2962 g_assert (mono_object_class (src) == mono_object_class (dst));
2964 switch (mono_object_class (src)->byval_arg.type) {
2965 case MONO_TYPE_ARRAY:
2966 case MONO_TYPE_SZARRAY: {
2967 int mt = mono_get_xdomain_marshal_type (&(mono_object_class (src)->element_class->byval_arg));
2968 if (mt == MONO_MARSHAL_SERIALIZE) return;
2969 if (mt == MONO_MARSHAL_COPY) {
2970 int i, len = mono_array_length ((MonoArray *)dst);
2971 for (i = 0; i < len; i++) {
2972 MonoObject *item = mono_array_get ((MonoArray *)src, gpointer, i);
2973 mono_array_setref ((MonoArray *)dst, i, mono_marshal_xdomain_copy_value (item));
2976 mono_array_full_copy ((MonoArray *)src, (MonoArray *)dst);
2982 if (mono_object_class (src) == mono_defaults.stringbuilder_class) {
2983 MonoStringBuilder *src_sb = (MonoStringBuilder *) src;
2984 MonoStringBuilder *dst_sb = (MonoStringBuilder *) dst;
2986 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)));
2987 dst_sb->cached_str = NULL;
2988 dst_sb->length = src_sb->length;
2993 mono_marshal_emit_xdomain_copy_value (MonoMethodBuilder *mb, MonoClass *pclass)
2995 mono_mb_emit_icall (mb, mono_marshal_xdomain_copy_value);
2996 mono_mb_emit_op (mb, CEE_CASTCLASS, pclass);
3000 mono_marshal_emit_xdomain_copy_out_value (MonoMethodBuilder *mb, MonoClass *pclass)
3002 mono_mb_emit_icall (mb, mono_marshal_xdomain_copy_out_value);
3005 /* mono_marshal_supports_fast_xdomain()
3006 * Returns TRUE if the method can use the fast xdomain wrapper.
3009 mono_marshal_supports_fast_xdomain (MonoMethod *method)
3011 return !method->klass->contextbound &&
3012 !((method->flags & METHOD_ATTRIBUTE_SPECIAL_NAME) && (strcmp (".ctor", method->name) == 0));
3016 mono_marshal_set_domain_by_id (gint32 id, MonoBoolean push)
3018 MonoDomain *current_domain = mono_domain_get ();
3019 MonoDomain *domain = mono_domain_get_by_id (id);
3021 if (!domain || !mono_domain_set (domain, FALSE))
3022 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
3025 mono_thread_push_appdomain_ref (domain);
3027 mono_thread_pop_appdomain_ref ();
3029 return current_domain->domain_id;
3033 mono_marshal_emit_switch_domain (MonoMethodBuilder *mb)
3035 mono_mb_emit_icall (mb, mono_marshal_set_domain_by_id);
3038 /* mono_marshal_emit_load_domain_method ()
3039 * Loads into the stack a pointer to the code of the provided method for
3040 * the current domain.
3043 mono_marshal_emit_load_domain_method (MonoMethodBuilder *mb, MonoMethod *method)
3045 /* We need a pointer to the method for the running domain (not the domain
3046 * that compiles the method).
3048 mono_mb_emit_ptr (mb, method);
3049 mono_mb_emit_icall (mb, mono_compile_method);
3052 /* mono_marshal_check_domain_image ()
3053 * Returns TRUE if the image is loaded in the specified
3054 * application domain.
3057 mono_marshal_check_domain_image (gint32 domain_id, MonoImage *image)
3062 MonoDomain *domain = mono_domain_get_by_id (domain_id);
3066 mono_domain_assemblies_lock (domain);
3067 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
3069 if (ass->image == image)
3072 mono_domain_assemblies_unlock (domain);
3077 /* mono_marshal_get_xappdomain_dispatch ()
3078 * Generates a method that dispatches a method call from another domain into
3079 * the current domain.
3082 mono_marshal_get_xappdomain_dispatch (MonoMethod *method, int *marshal_types, int complex_count, int complex_out_count, int ret_marshal_type)
3084 MonoMethodSignature *sig, *csig;
3085 MonoMethodBuilder *mb;
3087 int i, j, param_index, copy_locals_base;
3088 MonoClass *ret_class = NULL;
3089 int loc_array=0, loc_return=0, loc_serialized_exc=0;
3090 MonoExceptionClause *main_clause;
3092 gboolean copy_return;
3094 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_XDOMAIN_DISPATCH)))
3097 sig = mono_method_signature (method);
3098 copy_return = (sig->ret->type != MONO_TYPE_VOID && ret_marshal_type != MONO_MARSHAL_SERIALIZE);
3101 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3 + sig->param_count - complex_count);
3102 csig->params [j++] = &mono_defaults.object_class->byval_arg;
3103 csig->params [j++] = &byte_array_class->this_arg;
3104 csig->params [j++] = &byte_array_class->this_arg;
3105 for (i = 0; i < sig->param_count; i++) {
3106 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE)
3107 csig->params [j++] = sig->params [i];
3110 csig->ret = sig->ret;
3112 csig->ret = &mono_defaults.void_class->byval_arg;
3114 csig->hasthis = FALSE;
3116 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_XDOMAIN_DISPATCH);
3117 mb->method->save_lmf = 1;
3121 loc_serialized_exc = mono_mb_add_local (mb, &byte_array_class->byval_arg);
3122 if (complex_count > 0)
3123 loc_array = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3124 if (sig->ret->type != MONO_TYPE_VOID) {
3125 loc_return = mono_mb_add_local (mb, sig->ret);
3126 ret_class = mono_class_from_mono_type (sig->ret);
3131 main_clause = mono_image_alloc0 (method->klass->image, sizeof (MonoExceptionClause));
3132 main_clause->try_offset = mono_mb_get_label (mb);
3134 /* Clean the call context */
3136 mono_mb_emit_byte (mb, CEE_LDNULL);
3137 mono_mb_emit_managed_call (mb, method_set_call_context, NULL);
3138 mono_mb_emit_byte (mb, CEE_POP);
3140 /* Deserialize call data */
3142 mono_mb_emit_ldarg (mb, 1);
3143 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3144 mono_mb_emit_byte (mb, CEE_DUP);
3145 pos = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
3147 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
3148 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
3150 if (complex_count > 0)
3151 mono_mb_emit_stloc (mb, loc_array);
3153 mono_mb_emit_byte (mb, CEE_POP);
3155 mono_mb_patch_short_branch (mb, pos);
3157 /* Get the target object */
3159 mono_mb_emit_ldarg (mb, 0);
3160 mono_mb_emit_managed_call (mb, method_rs_appdomain_target, NULL);
3162 /* Load the arguments */
3164 copy_locals_base = mb->locals;
3165 param_index = 3; // Index of the first non-serialized parameter of this wrapper
3167 for (i = 0; i < sig->param_count; i++) {
3168 MonoType *pt = sig->params [i];
3169 MonoClass *pclass = mono_class_from_mono_type (pt);
3170 switch (marshal_types [i]) {
3171 case MONO_MARSHAL_SERIALIZE: {
3172 /* take the value from the serialized array */
3173 mono_mb_emit_ldloc (mb, loc_array);
3174 mono_mb_emit_icon (mb, j++);
3176 if (pclass->valuetype) {
3177 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3178 mono_mb_emit_op (mb, CEE_UNBOX, pclass);
3180 mono_mb_emit_op (mb, CEE_LDELEMA, pclass);
3183 if (pclass->valuetype) {
3184 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3185 mono_mb_emit_op (mb, CEE_UNBOX, pclass);
3186 mono_mb_emit_op (mb, CEE_LDOBJ, pclass);
3188 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3189 if (pclass != mono_defaults.object_class) {
3190 mono_mb_emit_op (mb, CEE_CASTCLASS, pclass);
3196 case MONO_MARSHAL_COPY_OUT: {
3197 /* Keep a local copy of the value since we need to copy it back after the call */
3198 int copy_local = mono_mb_add_local (mb, &(pclass->byval_arg));
3199 mono_mb_emit_ldarg (mb, param_index++);
3200 mono_marshal_emit_xdomain_copy_value (mb, pclass);
3201 mono_mb_emit_byte (mb, CEE_DUP);
3202 mono_mb_emit_stloc (mb, copy_local);
3205 case MONO_MARSHAL_COPY: {
3206 mono_mb_emit_ldarg (mb, param_index);
3208 mono_mb_emit_byte (mb, CEE_DUP);
3209 mono_mb_emit_byte (mb, CEE_DUP);
3210 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3211 mono_marshal_emit_xdomain_copy_value (mb, pclass);
3212 mono_mb_emit_byte (mb, CEE_STIND_REF);
3214 mono_marshal_emit_xdomain_copy_value (mb, pclass);
3219 case MONO_MARSHAL_NONE:
3220 mono_mb_emit_ldarg (mb, param_index++);
3225 /* Make the call to the real object */
3227 emit_thread_force_interrupt_checkpoint (mb);
3229 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
3231 if (sig->ret->type != MONO_TYPE_VOID)
3232 mono_mb_emit_stloc (mb, loc_return);
3234 /* copy back MONO_MARSHAL_COPY_OUT parameters */
3238 for (i = 0; i < sig->param_count; i++) {
3239 if (marshal_types [i] == MONO_MARSHAL_SERIALIZE) continue;
3240 if (marshal_types [i] == MONO_MARSHAL_COPY_OUT) {
3241 mono_mb_emit_ldloc (mb, copy_locals_base + (j++));
3242 mono_mb_emit_ldarg (mb, param_index);
3243 mono_marshal_emit_xdomain_copy_out_value (mb, mono_class_from_mono_type (sig->params [i]));
3248 /* Serialize the return values */
3250 if (complex_out_count > 0) {
3251 /* Reset parameters in the array that don't need to be serialized back */
3253 for (i = 0; i < sig->param_count; i++) {
3254 if (marshal_types[i] != MONO_MARSHAL_SERIALIZE) continue;
3255 if (!sig->params [i]->byref) {
3256 mono_mb_emit_ldloc (mb, loc_array);
3257 mono_mb_emit_icon (mb, j);
3258 mono_mb_emit_byte (mb, CEE_LDNULL);
3259 mono_mb_emit_byte (mb, CEE_STELEM_REF);
3264 /* Add the return value to the array */
3266 if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
3267 mono_mb_emit_ldloc (mb, loc_array);
3268 mono_mb_emit_icon (mb, complex_count); /* The array has an additional slot to hold the ret value */
3269 mono_mb_emit_ldloc (mb, loc_return);
3271 g_assert (ret_class); /*FIXME properly fail here*/
3272 if (ret_class->valuetype) {
3273 mono_mb_emit_op (mb, CEE_BOX, ret_class);
3275 mono_mb_emit_byte (mb, CEE_STELEM_REF);
3280 mono_mb_emit_ldarg (mb, 1);
3281 mono_mb_emit_ldloc (mb, loc_array);
3282 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3283 mono_mb_emit_byte (mb, CEE_STIND_REF);
3284 } else if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
3285 mono_mb_emit_ldarg (mb, 1);
3286 mono_mb_emit_ldloc (mb, loc_return);
3287 if (ret_class->valuetype) {
3288 mono_mb_emit_op (mb, CEE_BOX, ret_class);
3290 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3291 mono_mb_emit_byte (mb, CEE_STIND_REF);
3293 mono_mb_emit_ldarg (mb, 1);
3294 mono_mb_emit_byte (mb, CEE_LDNULL);
3295 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3296 mono_mb_emit_byte (mb, CEE_STIND_REF);
3299 mono_mb_emit_ldarg (mb, 2);
3300 mono_mb_emit_byte (mb, CEE_LDNULL);
3301 mono_mb_emit_byte (mb, CEE_STIND_REF);
3302 pos_leave = mono_mb_emit_branch (mb, CEE_LEAVE);
3304 /* Main exception catch */
3305 main_clause->flags = MONO_EXCEPTION_CLAUSE_NONE;
3306 main_clause->try_len = mono_mb_get_pos (mb) - main_clause->try_offset;
3307 main_clause->data.catch_class = mono_defaults.object_class;
3310 main_clause->handler_offset = mono_mb_get_label (mb);
3311 mono_mb_emit_managed_call (mb, method_rs_serialize_exc, NULL);
3312 mono_mb_emit_stloc (mb, loc_serialized_exc);
3313 mono_mb_emit_ldarg (mb, 2);
3314 mono_mb_emit_ldloc (mb, loc_serialized_exc);
3315 mono_mb_emit_byte (mb, CEE_STIND_REF);
3316 mono_mb_emit_branch (mb, CEE_LEAVE);
3317 main_clause->handler_len = mono_mb_get_pos (mb) - main_clause->handler_offset;
3320 mono_mb_patch_branch (mb, pos_leave);
3323 mono_mb_emit_ldloc (mb, loc_return);
3325 mono_mb_emit_byte (mb, CEE_RET);
3327 mono_mb_set_clauses (mb, 1, main_clause);
3329 res = mono_remoting_mb_create_and_cache (method, mb, csig, csig->param_count + 16);
3335 /* mono_marshal_get_xappdomain_invoke ()
3336 * Generates a fast remoting wrapper for cross app domain calls.
3339 mono_marshal_get_xappdomain_invoke (MonoMethod *method)
3341 MonoMethodSignature *sig;
3342 MonoMethodBuilder *mb;
3344 int i, j, complex_count, complex_out_count, copy_locals_base;
3346 MonoClass *ret_class = NULL;
3347 MonoMethod *xdomain_method;
3348 int ret_marshal_type = MONO_MARSHAL_NONE;
3349 int loc_array=0, loc_serialized_data=-1, loc_real_proxy;
3350 int loc_old_domainid, loc_domainid, loc_return=0, loc_serialized_exc=0, loc_context;
3351 int pos, pos_dispatch, pos_noex;
3352 gboolean copy_return = FALSE;
3356 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE || method->wrapper_type == MONO_WRAPPER_XDOMAIN_INVOKE)
3359 /* we cant remote methods without this pointer */
3360 if (!mono_method_signature (method)->hasthis)
3363 if (!mono_marshal_supports_fast_xdomain (method))
3364 return mono_marshal_get_remoting_invoke (method);
3366 mono_remoting_marshal_init ();
3368 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_XDOMAIN_INVOKE)))
3371 sig = mono_signature_no_pinvoke (method);
3373 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_XDOMAIN_INVOKE);
3374 mb->method->save_lmf = 1;
3376 /* Count the number of parameters that need to be serialized */
3378 marshal_types = alloca (sizeof (int) * sig->param_count);
3379 complex_count = complex_out_count = 0;
3380 for (i = 0; i < sig->param_count; i++) {
3381 MonoType *ptype = sig->params[i];
3382 int mt = mono_get_xdomain_marshal_type (ptype);
3384 /* If the [Out] attribute is applied to a parameter that can be internally copied,
3385 * the copy will be made by reusing the original object instance
3387 if ((ptype->attrs & PARAM_ATTRIBUTE_OUT) != 0 && mt == MONO_MARSHAL_COPY && !ptype->byref)
3388 mt = MONO_MARSHAL_COPY_OUT;
3389 else if (mt == MONO_MARSHAL_SERIALIZE) {
3391 if (ptype->byref) complex_out_count++;
3393 marshal_types [i] = mt;
3396 if (sig->ret->type != MONO_TYPE_VOID) {
3397 ret_marshal_type = mono_get_xdomain_marshal_type (sig->ret);
3398 ret_class = mono_class_from_mono_type (sig->ret);
3399 copy_return = ret_marshal_type != MONO_MARSHAL_SERIALIZE;
3404 if (complex_count > 0)
3405 loc_array = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3406 loc_serialized_data = mono_mb_add_local (mb, &byte_array_class->byval_arg);
3407 loc_real_proxy = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3409 loc_return = mono_mb_add_local (mb, sig->ret);
3410 loc_old_domainid = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
3411 loc_domainid = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
3412 loc_serialized_exc = mono_mb_add_local (mb, &byte_array_class->byval_arg);
3413 loc_context = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3415 /* Save thread domain data */
3417 mono_mb_emit_icall (mb, mono_context_get);
3418 mono_mb_emit_byte (mb, CEE_DUP);
3419 mono_mb_emit_stloc (mb, loc_context);
3421 /* If the thread is not running in the default context, it needs to go
3422 * through the whole remoting sink, since the context is going to change
3424 mono_mb_emit_managed_call (mb, method_needs_context_sink, NULL);
3425 pos = mono_mb_emit_short_branch (mb, CEE_BRTRUE_S);
3427 /* Another case in which the fast path can't be used: when the target domain
3428 * has a different image for the same assembly.
3431 /* Get the target domain id */
3433 mono_mb_emit_ldarg (mb, 0);
3434 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
3435 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3436 mono_mb_emit_byte (mb, CEE_DUP);
3437 mono_mb_emit_stloc (mb, loc_real_proxy);
3439 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoRealProxy, target_domain_id));
3440 mono_mb_emit_byte (mb, CEE_LDIND_I4);
3441 mono_mb_emit_stloc (mb, loc_domainid);
3443 /* Check if the target domain has the same image for the required assembly */
3445 mono_mb_emit_ldloc (mb, loc_domainid);
3446 mono_mb_emit_ptr (mb, method->klass->image);
3447 mono_mb_emit_icall (mb, mono_marshal_check_domain_image);
3448 pos_dispatch = mono_mb_emit_short_branch (mb, CEE_BRTRUE_S);
3450 /* Use the whole remoting sink to dispatch this message */
3452 mono_mb_patch_short_branch (mb, pos);
3454 mono_mb_emit_ldarg (mb, 0);
3455 for (i = 0; i < sig->param_count; i++)
3456 mono_mb_emit_ldarg (mb, i + 1);
3458 mono_mb_emit_managed_call (mb, mono_marshal_get_remoting_invoke (method), NULL);
3459 mono_mb_emit_byte (mb, CEE_RET);
3460 mono_mb_patch_short_branch (mb, pos_dispatch);
3462 /* Create the array that will hold the parameters to be serialized */
3464 if (complex_count > 0) {
3465 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 */
3466 mono_mb_emit_op (mb, CEE_NEWARR, mono_defaults.object_class);
3469 for (i = 0; i < sig->param_count; i++) {
3471 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE) continue;
3472 pclass = mono_class_from_mono_type (sig->params[i]);
3473 mono_mb_emit_byte (mb, CEE_DUP);
3474 mono_mb_emit_icon (mb, j);
3475 mono_mb_emit_ldarg (mb, i + 1); /* 0=this */
3476 if (sig->params[i]->byref) {
3477 if (pclass->valuetype)
3478 mono_mb_emit_op (mb, CEE_LDOBJ, pclass);
3480 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3482 if (pclass->valuetype)
3483 mono_mb_emit_op (mb, CEE_BOX, pclass);
3484 mono_mb_emit_byte (mb, CEE_STELEM_REF);
3487 mono_mb_emit_stloc (mb, loc_array);
3489 /* Serialize parameters */
3491 mono_mb_emit_ldloc (mb, loc_array);
3492 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3493 mono_mb_emit_stloc (mb, loc_serialized_data);
3495 mono_mb_emit_byte (mb, CEE_LDNULL);
3496 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3497 mono_mb_emit_stloc (mb, loc_serialized_data);
3502 mono_mb_emit_ldloc (mb, loc_domainid);
3503 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
3504 mono_marshal_emit_switch_domain (mb);
3505 mono_mb_emit_stloc (mb, loc_old_domainid);
3507 /* Load the arguments */
3509 mono_mb_emit_ldloc (mb, loc_real_proxy);
3510 mono_mb_emit_ldloc_addr (mb, loc_serialized_data);
3511 mono_mb_emit_ldloc_addr (mb, loc_serialized_exc);
3513 copy_locals_base = mb->locals;
3514 for (i = 0; i < sig->param_count; i++) {
3515 switch (marshal_types [i]) {
3516 case MONO_MARSHAL_SERIALIZE:
3518 case MONO_MARSHAL_COPY: {
3519 mono_mb_emit_ldarg (mb, i+1);
3520 if (sig->params [i]->byref) {
3521 /* make a local copy of the byref parameter. The real parameter
3522 * will be updated after the xdomain call
3524 MonoClass *pclass = mono_class_from_mono_type (sig->params [i]);
3525 int copy_local = mono_mb_add_local (mb, &(pclass->byval_arg));
3526 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3527 mono_mb_emit_stloc (mb, copy_local);
3528 mono_mb_emit_ldloc_addr (mb, copy_local);
3532 case MONO_MARSHAL_COPY_OUT:
3533 case MONO_MARSHAL_NONE:
3534 mono_mb_emit_ldarg (mb, i+1);
3539 /* Make the call to the invoke wrapper in the target domain */
3541 xdomain_method = mono_marshal_get_xappdomain_dispatch (method, marshal_types, complex_count, complex_out_count, ret_marshal_type);
3542 mono_marshal_emit_load_domain_method (mb, xdomain_method);
3543 mono_mb_emit_calli (mb, mono_method_signature (xdomain_method));
3546 mono_mb_emit_stloc (mb, loc_return);
3550 mono_mb_emit_ldloc (mb, loc_old_domainid);
3551 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
3552 mono_marshal_emit_switch_domain (mb);
3553 mono_mb_emit_byte (mb, CEE_POP);
3555 /* Restore thread domain data */
3557 mono_mb_emit_ldloc (mb, loc_context);
3558 mono_mb_emit_icall (mb, mono_context_set);
3560 /* if (loc_serialized_exc != null) ... */
3562 mono_mb_emit_ldloc (mb, loc_serialized_exc);
3563 pos_noex = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
3565 mono_mb_emit_ldloc (mb, loc_serialized_exc);
3566 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
3567 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
3568 mono_mb_emit_op (mb, CEE_CASTCLASS, mono_defaults.exception_class);
3569 mono_mb_emit_managed_call (mb, method_exc_fixexc, NULL);
3570 mono_mb_emit_byte (mb, CEE_THROW);
3571 mono_mb_patch_short_branch (mb, pos_noex);
3573 /* copy back non-serialized output parameters */
3576 for (i = 0; i < sig->param_count; i++) {
3577 if (!sig->params [i]->byref || marshal_types [i] != MONO_MARSHAL_COPY) continue;
3578 mono_mb_emit_ldarg (mb, i + 1);
3579 mono_mb_emit_ldloc (mb, copy_locals_base + (j++));
3580 mono_marshal_emit_xdomain_copy_value (mb, mono_class_from_mono_type (sig->params [i]));
3581 mono_mb_emit_byte (mb, CEE_STIND_REF);
3584 /* Deserialize out parameters */
3586 if (complex_out_count > 0) {
3587 mono_mb_emit_ldloc (mb, loc_serialized_data);
3588 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
3589 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
3590 mono_mb_emit_stloc (mb, loc_array);
3592 /* Copy back output parameters and return type */
3595 for (i = 0; i < sig->param_count; i++) {
3596 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE) continue;
3597 if (sig->params[i]->byref) {
3598 MonoClass *pclass = mono_class_from_mono_type (sig->params [i]);
3599 mono_mb_emit_ldarg (mb, i + 1);
3600 mono_mb_emit_ldloc (mb, loc_array);
3601 mono_mb_emit_icon (mb, j);
3602 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3603 if (pclass->valuetype) {
3604 mono_mb_emit_op (mb, CEE_UNBOX, pclass);
3605 mono_mb_emit_op (mb, CEE_LDOBJ, pclass);
3606 mono_mb_emit_op (mb, CEE_STOBJ, pclass);
3608 if (pclass != mono_defaults.object_class)
3609 mono_mb_emit_op (mb, CEE_CASTCLASS, pclass);
3610 mono_mb_emit_byte (mb, CEE_STIND_REF);
3616 if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
3617 mono_mb_emit_ldloc (mb, loc_array);
3618 mono_mb_emit_icon (mb, complex_count);
3619 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3620 if (ret_class->valuetype) {
3621 mono_mb_emit_op (mb, CEE_UNBOX, ret_class);
3622 mono_mb_emit_op (mb, CEE_LDOBJ, ret_class);
3625 } else if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
3626 mono_mb_emit_ldloc (mb, loc_serialized_data);
3627 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
3628 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
3629 if (ret_class->valuetype) {
3630 mono_mb_emit_op (mb, CEE_UNBOX, ret_class);
3631 mono_mb_emit_op (mb, CEE_LDOBJ, ret_class);
3632 } else if (ret_class != mono_defaults.object_class) {
3633 mono_mb_emit_op (mb, CEE_CASTCLASS, ret_class);
3636 mono_mb_emit_ldloc (mb, loc_serialized_data);
3637 mono_mb_emit_byte (mb, CEE_DUP);
3638 pos = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
3639 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
3641 mono_mb_patch_short_branch (mb, pos);
3642 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
3643 mono_mb_emit_byte (mb, CEE_POP);
3647 mono_mb_emit_ldloc (mb, loc_return);
3648 if (ret_marshal_type == MONO_MARSHAL_COPY)
3649 mono_marshal_emit_xdomain_copy_value (mb, ret_class);
3652 mono_mb_emit_byte (mb, CEE_RET);
3654 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16);
3661 mono_marshal_get_remoting_invoke_for_target (MonoMethod *method, MonoRemotingTarget target_type)
3663 if (target_type == MONO_REMOTING_TARGET_APPDOMAIN) {
3664 return mono_marshal_get_xappdomain_invoke (method);
3665 } else if (target_type == MONO_REMOTING_TARGET_COMINTEROP) {
3667 return mono_cominterop_get_invoke (method);
3669 g_assert_not_reached ();
3672 return mono_marshal_get_remoting_invoke (method);
3678 G_GNUC_UNUSED static gpointer
3679 mono_marshal_load_remoting_wrapper (MonoRealProxy *rp, MonoMethod *method)
3681 if (rp->target_domain_id != -1)
3682 return mono_compile_method (mono_marshal_get_xappdomain_invoke (method));
3684 return mono_compile_method (mono_marshal_get_remoting_invoke (method));
3688 mono_marshal_get_remoting_invoke_with_check (MonoMethod *method)
3690 MonoMethodSignature *sig;
3691 MonoMethodBuilder *mb;
3692 MonoMethod *res, *native;
3693 int i, pos, pos_rem;
3697 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK)
3700 /* we cant remote methods without this pointer */
3701 g_assert (mono_method_signature (method)->hasthis);
3703 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK)))
3706 sig = mono_signature_no_pinvoke (method);
3708 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK);
3710 for (i = 0; i <= sig->param_count; i++)
3711 mono_mb_emit_ldarg (mb, i);
3713 mono_mb_emit_ldarg (mb, 0);
3714 pos = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
3716 if (mono_marshal_supports_fast_xdomain (method)) {
3717 mono_mb_emit_ldarg (mb, 0);
3718 pos_rem = mono_mb_emit_xdomain_check (mb, CEE_BEQ);
3720 /* wrapper for cross app domain calls */
3721 native = mono_marshal_get_xappdomain_invoke (method);
3722 mono_mb_emit_managed_call (mb, native, mono_method_signature (native));
3723 mono_mb_emit_byte (mb, CEE_RET);
3725 mono_mb_patch_branch (mb, pos_rem);
3727 /* wrapper for normal remote calls */
3728 native = mono_marshal_get_remoting_invoke (method);
3729 mono_mb_emit_managed_call (mb, native, mono_method_signature (native));
3730 mono_mb_emit_byte (mb, CEE_RET);
3733 mono_mb_patch_branch (mb, pos);
3734 mono_mb_emit_managed_call (mb, method, mono_method_signature (method));
3735 mono_mb_emit_byte (mb, CEE_RET);
3737 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16);
3745 MonoMethodSignature *sig;
3747 } SignatureMethodPair;
3750 signature_method_pair_hash (gconstpointer data)
3752 SignatureMethodPair *pair = (SignatureMethodPair*)data;
3754 return mono_signature_hash (pair->sig) ^ mono_aligned_addr_hash (pair->method);
3758 signature_method_pair_equal (SignatureMethodPair *pair1, SignatureMethodPair *pair2)
3760 return mono_metadata_signature_equal (pair1->sig, pair2->sig) && (pair1->method == pair2->method);
3764 signature_method_pair_matches_method (gpointer key, gpointer value, gpointer user_data)
3766 SignatureMethodPair *pair = (SignatureMethodPair*)key;
3767 MonoMethod *method = (MonoMethod*)user_data;
3769 return pair->method == method;
3773 free_signature_method_pair (SignatureMethodPair *pair)
3779 * the returned method invokes all methods in a multicast delegate.
3782 mono_marshal_get_delegate_invoke (MonoMethod *method, MonoDelegate *del)
3784 MonoMethodSignature *sig, *static_sig, *invoke_sig;
3786 MonoMethodBuilder *mb;
3787 MonoMethod *res, *newm;
3789 SignatureMethodPair key;
3790 SignatureMethodPair *new_key;
3791 int local_prev, local_target;
3794 MonoMethod *target_method = NULL;
3795 MonoClass *target_class = NULL;
3796 gboolean callvirt = FALSE;
3797 gboolean closed_over_null = FALSE;
3798 gboolean static_method_with_first_arg_bound = FALSE;
3801 * If the delegate target is null, and the target method is not static, a virtual
3802 * call is made to that method with the first delegate argument as this. This is
3803 * a non-documented .NET feature.
3805 if (del && !del->target && del->method && mono_method_signature (del->method)->hasthis) {
3807 target_method = del->method;
3808 if (target_method->is_inflated) {
3809 MonoType *target_type;
3811 g_assert (method->signature->hasthis);
3812 target_type = mono_class_inflate_generic_type (method->signature->params [0],
3813 mono_method_get_context (method));
3814 target_class = mono_class_from_mono_type (target_type);
3816 target_class = del->method->klass;
3820 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
3821 !strcmp (method->name, "Invoke"));
3823 invoke_sig = sig = mono_signature_no_pinvoke (method);
3826 closed_over_null = sig->param_count == mono_method_signature (del->method)->param_count;
3828 if (del && del->method && mono_method_signature (del->method)->param_count == sig->param_count + 1 && (del->method->flags & METHOD_ATTRIBUTE_STATIC)) {
3829 invoke_sig = mono_method_signature (del->method);
3830 target_method = del->method;
3831 static_method_with_first_arg_bound = TRUE;
3834 if (callvirt || static_method_with_first_arg_bound) {
3835 GHashTable **cache_ptr;
3836 if (static_method_with_first_arg_bound)
3837 cache_ptr = &method->klass->image->delegate_bound_static_invoke_cache;
3839 cache_ptr = &method->klass->image->delegate_abstract_invoke_cache;
3841 /* We need to cache the signature+method pair */
3842 mono_marshal_lock ();
3844 *cache_ptr = g_hash_table_new_full (signature_method_pair_hash, (GEqualFunc)signature_method_pair_equal, (GDestroyNotify)free_signature_method_pair, NULL);
3846 key.sig = invoke_sig;
3847 key.method = target_method;
3848 res = g_hash_table_lookup (cache, &key);
3849 mono_marshal_unlock ();
3853 cache = get_cache (&method->klass->image->delegate_invoke_cache,
3854 (GHashFunc)mono_signature_hash,
3855 (GCompareFunc)mono_metadata_signature_equal);
3856 if ((res = mono_marshal_find_in_cache (cache, sig)))
3860 static_sig = signature_dup (method->klass->image, sig);
3861 static_sig->hasthis = 0;
3862 if (!static_method_with_first_arg_bound)
3863 invoke_sig = static_sig;
3865 name = mono_signature_to_name (sig, "invoke");
3866 mb = mono_mb_new (get_wrapper_target_class (method->klass->image), name, MONO_WRAPPER_DELEGATE_INVOKE);
3869 /* allocate local 0 (object) */
3870 local_target = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3871 local_prev = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3873 g_assert (sig->hasthis);
3877 * prev.Invoke( args .. );
3878 * return this.<target>( args .. );
3881 /* this wrapper can be used in unmanaged-managed transitions */
3882 emit_thread_interrupt_checkpoint (mb);
3884 /* get this->prev */
3885 mono_mb_emit_ldarg (mb, 0);
3886 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoMulticastDelegate, prev));
3887 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3888 mono_mb_emit_stloc (mb, local_prev);
3889 mono_mb_emit_ldloc (mb, local_prev);
3891 /* if prev != null */
3892 pos0 = mono_mb_emit_branch (mb, CEE_BRFALSE);
3896 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3897 mono_mb_emit_byte (mb, CEE_MONO_NOT_TAKEN);
3899 mono_mb_emit_ldloc (mb, local_prev);
3900 for (i = 0; i < sig->param_count; i++)
3901 mono_mb_emit_ldarg (mb, i + 1);
3902 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
3903 if (sig->ret->type != MONO_TYPE_VOID)
3904 mono_mb_emit_byte (mb, CEE_POP);
3906 /* continued or prev == null */
3907 mono_mb_patch_branch (mb, pos0);
3909 /* get this->target */
3910 mono_mb_emit_ldarg (mb, 0);
3911 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, target));
3912 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3913 mono_mb_emit_stloc (mb, local_target);
3915 /*static methods with bound first arg can have null target and still be bound*/
3916 if (!static_method_with_first_arg_bound) {
3917 /* if target != null */
3918 mono_mb_emit_ldloc (mb, local_target);
3919 pos0 = mono_mb_emit_branch (mb, CEE_BRFALSE);
3921 /* then call this->method_ptr nonstatic */
3924 mono_mb_emit_exception_full (mb, "System", "NotImplementedException", "");
3926 mono_mb_emit_ldloc (mb, local_target);
3927 for (i = 0; i < sig->param_count; ++i)
3928 mono_mb_emit_ldarg (mb, i + 1);
3929 mono_mb_emit_ldarg (mb, 0);
3930 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, method_ptr));
3931 mono_mb_emit_byte (mb, CEE_LDIND_I );
3932 mono_mb_emit_op (mb, CEE_CALLI, sig);
3934 mono_mb_emit_byte (mb, CEE_RET);
3937 /* else [target == null] call this->method_ptr static */
3938 mono_mb_patch_branch (mb, pos0);
3942 if (!closed_over_null) {
3943 mono_mb_emit_ldarg (mb, 1);
3944 mono_mb_emit_op (mb, CEE_CASTCLASS, target_class);
3945 for (i = 1; i < sig->param_count; ++i)
3946 mono_mb_emit_ldarg (mb, i + 1);
3947 mono_mb_emit_op (mb, CEE_CALLVIRT, target_method);
3949 mono_mb_emit_byte (mb, CEE_LDNULL);
3950 for (i = 0; i < sig->param_count; ++i)
3951 mono_mb_emit_ldarg (mb, i + 1);
3952 mono_mb_emit_op (mb, CEE_CALL, target_method);
3955 if (static_method_with_first_arg_bound) {
3956 mono_mb_emit_ldloc (mb, local_target);
3957 if (!MONO_TYPE_IS_REFERENCE (invoke_sig->params[0]))
3958 mono_mb_emit_op (mb, CEE_UNBOX_ANY, mono_class_from_mono_type (invoke_sig->params[0]));
3960 for (i = 0; i < sig->param_count; ++i)
3961 mono_mb_emit_ldarg (mb, i + 1);
3962 mono_mb_emit_ldarg (mb, 0);
3963 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, method_ptr));
3964 mono_mb_emit_byte (mb, CEE_LDIND_I );
3965 mono_mb_emit_op (mb, CEE_CALLI, invoke_sig);
3968 mono_mb_emit_byte (mb, CEE_RET);
3970 if (static_method_with_first_arg_bound || callvirt) {
3971 // From mono_mb_create_and_cache
3972 mb->skip_visibility = 1;
3973 newm = mono_mb_create_method (mb, sig, sig->param_count + 16);
3974 /*We perform double checked locking, so must fence before publishing*/
3975 mono_memory_barrier ();
3976 mono_marshal_lock ();
3977 res = g_hash_table_lookup (cache, &key);
3980 new_key = g_new0 (SignatureMethodPair, 1);
3982 g_hash_table_insert (cache, new_key, res);
3983 mono_marshal_set_wrapper_info (res, new_key);
3984 mono_marshal_unlock ();
3986 mono_marshal_unlock ();
3987 mono_free_method (newm);
3990 mb->skip_visibility = 1;
3991 res = mono_mb_create_and_cache (cache, sig, mb, sig, sig->param_count + 16);
3999 * signature_dup_add_this:
4001 * Make a copy of @sig, adding an explicit this argument.
4003 static MonoMethodSignature*
4004 signature_dup_add_this (MonoMethodSignature *sig, MonoClass *klass)
4006 MonoMethodSignature *res;
4009 res = mono_metadata_signature_alloc (klass->image, sig->param_count + 1);
4010 memcpy (res, sig, MONO_SIZEOF_METHOD_SIGNATURE);
4011 res->param_count = sig->param_count + 1;
4012 res->hasthis = FALSE;
4013 for (i = sig->param_count - 1; i >= 0; i --)
4014 res->params [i + 1] = sig->params [i];
4015 res->params [0] = &mono_ptr_class_get (&klass->byval_arg)->byval_arg;
4021 MonoMethodSignature *ctor_sig;
4022 MonoMethodSignature *sig;
4025 /* protected by the marshal lock, contains CtorSigPair pointers */
4026 static GSList *strsig_list = NULL;
4028 static MonoMethodSignature *
4029 lookup_string_ctor_signature (MonoMethodSignature *sig)
4031 MonoMethodSignature *callsig;
4035 mono_marshal_lock ();
4037 for (item = strsig_list; item; item = item->next) {
4039 /* mono_metadata_signature_equal () is safe to call with the marshal lock
4040 * because it is lock-free.
4042 if (mono_metadata_signature_equal (sig, cs->ctor_sig)) {
4047 mono_marshal_unlock ();
4051 static MonoMethodSignature *
4052 add_string_ctor_signature (MonoMethod *method)
4054 MonoMethodSignature *callsig;
4057 callsig = signature_dup (method->klass->image, mono_method_signature (method));
4058 callsig->ret = &mono_defaults.string_class->byval_arg;
4059 cs = g_new (CtorSigPair, 1);
4061 cs->ctor_sig = mono_method_signature (method);
4063 mono_marshal_lock ();
4064 strsig_list = g_slist_prepend (strsig_list, cs);
4065 mono_marshal_unlock ();
4070 * mono_marshal_get_string_ctor_signature:
4072 * Return the modified signature used by string ctors (they return the newly created
4075 MonoMethodSignature*
4076 mono_marshal_get_string_ctor_signature (MonoMethod *method)
4078 MonoMethodSignature *sig = lookup_string_ctor_signature (mono_method_signature (method));
4080 sig = add_string_ctor_signature (method);
4086 get_runtime_invoke_type (MonoType *t, gboolean ret)
4089 /* Can't share this with 'I' as that needs another indirection */
4092 if (MONO_TYPE_IS_REFERENCE (t))
4093 return &mono_defaults.object_class->byval_arg;
4096 /* The result needs to be boxed */
4102 return &mono_defaults.sbyte_class->byval_arg;
4104 return &mono_defaults.int16_class->byval_arg;
4106 return &mono_defaults.int32_class->byval_arg;
4108 return &mono_defaults.int64_class->byval_arg;
4109 case MONO_TYPE_BOOLEAN:
4110 return &mono_defaults.sbyte_class->byval_arg;
4111 case MONO_TYPE_CHAR:
4112 return &mono_defaults.int16_class->byval_arg;
4115 return &mono_defaults.int_class->byval_arg;
4116 case MONO_TYPE_VALUETYPE:
4117 if (t->data.klass->enumtype) {
4118 t = mono_class_enum_basetype (t->data.klass);
4128 * mono_marshal_get_runtime_invoke_sig:
4130 * Return a common signature used for sharing runtime invoke wrappers.
4132 static MonoMethodSignature*
4133 mono_marshal_get_runtime_invoke_sig (MonoMethodSignature *sig)
4135 MonoMethodSignature *res = mono_metadata_signature_dup (sig);
4138 res->ret = get_runtime_invoke_type (sig->ret, TRUE);
4139 for (i = 0; i < res->param_count; ++i)
4140 res->params [i] = get_runtime_invoke_type (sig->params [i], FALSE);
4146 runtime_invoke_signature_equal (MonoMethodSignature *sig1, MonoMethodSignature *sig2)
4148 /* Can't share wrappers which return a vtype since it needs to be boxed */
4149 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))
4152 return mono_metadata_signature_equal (sig1, sig2);
4158 * Emit the call to the wrapper method from a runtime invoke wrapper.
4161 emit_invoke_call (MonoMethodBuilder *mb, MonoMethod *method,
4162 MonoMethodSignature *sig, MonoMethodSignature *callsig,
4164 gboolean virtual, gboolean need_direct_wrapper)
4166 static MonoString *string_dummy = NULL;
4168 int *tmp_nullable_locals;
4169 gboolean void_ret = FALSE;
4171 /* to make it work with our special string constructors */
4172 if (!string_dummy) {
4173 MONO_GC_REGISTER_ROOT_SINGLE (string_dummy);
4174 string_dummy = mono_string_new_wrapper ("dummy");
4178 g_assert (sig->hasthis);
4179 g_assert (method->flags & METHOD_ATTRIBUTE_VIRTUAL);
4183 if (method->string_ctor) {
4184 mono_mb_emit_ptr (mb, string_dummy);
4186 mono_mb_emit_ldarg (mb, 0);
4190 tmp_nullable_locals = g_new0 (int, sig->param_count);
4192 for (i = 0; i < sig->param_count; i++) {
4193 MonoType *t = sig->params [i];
4196 mono_mb_emit_ldarg (mb, 1);
4198 mono_mb_emit_icon (mb, sizeof (gpointer) * i);
4199 mono_mb_emit_byte (mb, CEE_ADD);
4203 mono_mb_emit_byte (mb, CEE_LDIND_I);
4204 /* A Nullable<T> type don't have a boxed form, it's either null or a boxed T.
4205 * So to make this work we unbox it to a local variablee and push a reference to that.
4207 if (t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t))) {
4208 tmp_nullable_locals [i] = mono_mb_add_local (mb, &mono_class_from_mono_type (t)->byval_arg);
4210 mono_mb_emit_op (mb, CEE_UNBOX_ANY, mono_class_from_mono_type (t));
4211 mono_mb_emit_stloc (mb, tmp_nullable_locals [i]);
4212 mono_mb_emit_ldloc_addr (mb, tmp_nullable_locals [i]);
4217 /*FIXME 'this doesn't handle generic enums. Shouldn't we?*/
4218 type = sig->params [i]->type;
4222 case MONO_TYPE_BOOLEAN:
4226 case MONO_TYPE_CHAR:
4235 mono_mb_emit_byte (mb, CEE_LDIND_I);
4236 mono_mb_emit_byte (mb, mono_type_to_ldind (sig->params [i]));
4238 case MONO_TYPE_STRING:
4239 case MONO_TYPE_CLASS:
4240 case MONO_TYPE_ARRAY:
4242 case MONO_TYPE_SZARRAY:
4243 case MONO_TYPE_OBJECT:
4244 mono_mb_emit_byte (mb, mono_type_to_ldind (sig->params [i]));
4246 case MONO_TYPE_GENERICINST:
4247 if (!mono_type_generic_inst_is_valuetype (sig->params [i])) {
4248 mono_mb_emit_byte (mb, mono_type_to_ldind (sig->params [i]));
4253 case MONO_TYPE_VALUETYPE:
4254 if (type == MONO_TYPE_VALUETYPE && t->data.klass->enumtype) {
4255 type = mono_class_enum_basetype (t->data.klass)->type;
4258 mono_mb_emit_byte (mb, CEE_LDIND_I);
4259 if (mono_class_is_nullable (mono_class_from_mono_type (sig->params [i]))) {
4260 /* Need to convert a boxed vtype to an mp to a Nullable struct */
4261 mono_mb_emit_op (mb, CEE_UNBOX, mono_class_from_mono_type (sig->params [i]));
4262 mono_mb_emit_op (mb, CEE_LDOBJ, mono_class_from_mono_type (sig->params [i]));
4264 mono_mb_emit_op (mb, CEE_LDOBJ, mono_class_from_mono_type (sig->params [i]));
4268 g_assert_not_reached ();
4273 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
4274 } else if (need_direct_wrapper) {
4275 mono_mb_emit_op (mb, CEE_CALL, method);
4277 mono_mb_emit_ldarg (mb, 3);
4278 mono_mb_emit_calli (mb, callsig);
4281 if (sig->ret->byref) {
4283 g_assert_not_reached ();
4286 switch (sig->ret->type) {
4287 case MONO_TYPE_VOID:
4288 if (!method->string_ctor)
4291 case MONO_TYPE_BOOLEAN:
4292 case MONO_TYPE_CHAR:
4305 case MONO_TYPE_VALUETYPE:
4306 case MONO_TYPE_TYPEDBYREF:
4307 case MONO_TYPE_GENERICINST:
4308 /* box value types */
4309 mono_mb_emit_op (mb, CEE_BOX, mono_class_from_mono_type (sig->ret));
4311 case MONO_TYPE_STRING:
4312 case MONO_TYPE_CLASS:
4313 case MONO_TYPE_ARRAY:
4314 case MONO_TYPE_SZARRAY:
4315 case MONO_TYPE_OBJECT:
4319 /* The result is an IntPtr */
4320 mono_mb_emit_op (mb, CEE_BOX, mono_defaults.int_class);
4323 g_assert_not_reached ();
4327 mono_mb_emit_stloc (mb, loc_res);
4329 /* Convert back nullable-byref arguments */
4330 for (i = 0; i < sig->param_count; i++) {
4331 MonoType *t = sig->params [i];
4334 * Box the result and put it back into the array, the caller will have
4335 * to obtain it from there.
4337 if (t->byref && t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t))) {
4338 mono_mb_emit_ldarg (mb, 1);
4339 mono_mb_emit_icon (mb, sizeof (gpointer) * i);
4340 mono_mb_emit_byte (mb, CEE_ADD);
4342 mono_mb_emit_ldloc (mb, tmp_nullable_locals [i]);
4343 mono_mb_emit_op (mb, CEE_BOX, mono_class_from_mono_type (t));
4345 mono_mb_emit_byte (mb, CEE_STIND_REF);
4349 g_free (tmp_nullable_locals);
4353 emit_runtime_invoke_body (MonoMethodBuilder *mb, MonoClass *target_klass, MonoMethod *method,
4354 MonoMethodSignature *sig, MonoMethodSignature *callsig,
4355 gboolean virtual, gboolean need_direct_wrapper)
4358 MonoExceptionClause *clause;
4359 int loc_res, loc_exc;
4361 /* The wrapper looks like this:
4367 * } catch (Exception e) {
4375 /* allocate local 0 (object) tmp */
4376 loc_res = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4377 /* allocate local 1 (object) exc */
4378 loc_exc = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4380 /* *exc is assumed to be initialized to NULL by the caller */
4382 mono_mb_emit_byte (mb, CEE_LDARG_2);
4383 labels [0] = mono_mb_emit_branch (mb, CEE_BRFALSE);
4388 labels [1] = mono_mb_get_label (mb);
4389 emit_thread_force_interrupt_checkpoint (mb);
4390 emit_invoke_call (mb, method, sig, callsig, loc_res, virtual, need_direct_wrapper);
4392 labels [2] = mono_mb_emit_branch (mb, CEE_LEAVE);
4394 /* Add a try clause around the call */
4395 clause = mono_image_alloc0 (target_klass->image, sizeof (MonoExceptionClause));
4396 clause->flags = MONO_EXCEPTION_CLAUSE_NONE;
4397 clause->data.catch_class = mono_defaults.exception_class;
4398 clause->try_offset = labels [1];
4399 clause->try_len = mono_mb_get_label (mb) - labels [1];
4401 clause->handler_offset = mono_mb_get_label (mb);
4404 mono_mb_emit_stloc (mb, loc_exc);
4405 mono_mb_emit_byte (mb, CEE_LDARG_2);
4406 mono_mb_emit_ldloc (mb, loc_exc);
4407 mono_mb_emit_byte (mb, CEE_STIND_REF);
4409 mono_mb_emit_branch (mb, CEE_LEAVE);
4411 clause->handler_len = mono_mb_get_pos (mb) - clause->handler_offset;
4413 mono_mb_set_clauses (mb, 1, clause);
4415 mono_mb_patch_branch (mb, labels [2]);
4416 mono_mb_emit_ldloc (mb, loc_res);
4417 mono_mb_emit_byte (mb, CEE_RET);
4422 mono_mb_patch_branch (mb, labels [0]);
4423 emit_thread_force_interrupt_checkpoint (mb);
4424 emit_invoke_call (mb, method, sig, callsig, loc_res, virtual, need_direct_wrapper);
4426 mono_mb_emit_ldloc (mb, 0);
4427 mono_mb_emit_byte (mb, CEE_RET);
4431 * generates IL code for the runtime invoke function
4432 * MonoObject *runtime_invoke (MonoObject *this, void **params, MonoObject **exc, void* method)
4434 * we also catch exceptions if exc != null
4435 * If VIRTUAL is TRUE, then METHOD is invoked virtually on THIS. This is useful since
4436 * it means that the compiled code for METHOD does not have to be looked up
4437 * before calling the runtime invoke wrapper. In this case, the wrapper ignores
4438 * its METHOD argument.
4441 mono_marshal_get_runtime_invoke (MonoMethod *method, gboolean virtual)
4443 MonoMethodSignature *sig, *csig, *callsig;
4444 MonoMethodBuilder *mb;
4445 GHashTable *cache = NULL;
4446 MonoClass *target_klass;
4447 MonoMethod *res = NULL;
4448 static MonoMethodSignature *cctor_signature = NULL;
4449 static MonoMethodSignature *finalize_signature = NULL;
4451 gboolean need_direct_wrapper = FALSE;
4455 if (!cctor_signature) {
4456 cctor_signature = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
4457 cctor_signature->ret = &mono_defaults.void_class->byval_arg;
4459 if (!finalize_signature) {
4460 finalize_signature = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
4461 finalize_signature->ret = &mono_defaults.void_class->byval_arg;
4462 finalize_signature->hasthis = 1;
4466 need_direct_wrapper = TRUE;
4469 * Use a separate cache indexed by methods to speed things up and to avoid the
4470 * boundless mempool growth caused by the signature_dup stuff below.
4473 cache = get_cache (&method->klass->image->runtime_invoke_vcall_cache, mono_aligned_addr_hash, NULL);
4475 cache = get_cache (&method->klass->image->runtime_invoke_direct_cache, mono_aligned_addr_hash, NULL);
4476 res = mono_marshal_find_in_cache (cache, method);
4480 if (method->klass->rank && (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
4481 (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)) {
4483 * Array Get/Set/Address methods. The JIT implements them using inline code
4484 * so we need to create an invoke wrapper which calls the method directly.
4486 need_direct_wrapper = TRUE;
4489 if (method->string_ctor) {
4490 callsig = lookup_string_ctor_signature (mono_method_signature (method));
4492 callsig = add_string_ctor_signature (method);
4493 /* Can't share this as we push a string as this */
4494 need_direct_wrapper = TRUE;
4496 if (method->klass->valuetype && mono_method_signature (method)->hasthis) {
4498 * Valuetype methods receive a managed pointer as the this argument.
4499 * Create a new signature to reflect this.
4501 callsig = signature_dup_add_this (mono_method_signature (method), method->klass);
4502 /* Can't share this as it would be shared with static methods taking an IntPtr argument */
4503 need_direct_wrapper = TRUE;
4505 if (method->dynamic)
4506 callsig = signature_dup (method->klass->image, mono_method_signature (method));
4508 callsig = mono_method_signature (method);
4512 target_klass = get_wrapper_target_class (method->klass->image);
4514 /* Try to share wrappers for non-corlib methods with simple signatures */
4515 if (mono_metadata_signature_equal (callsig, cctor_signature)) {
4516 callsig = cctor_signature;
4517 target_klass = mono_defaults.object_class;
4518 } else if (mono_metadata_signature_equal (callsig, finalize_signature)) {
4519 callsig = finalize_signature;
4520 target_klass = mono_defaults.object_class;
4523 if (need_direct_wrapper) {
4524 /* Already searched at the start */
4526 MonoMethodSignature *tmp_sig;
4528 callsig = mono_marshal_get_runtime_invoke_sig (callsig);
4530 cache = get_cache (&target_klass->image->runtime_invoke_cache,
4531 (GHashFunc)mono_signature_hash,
4532 (GCompareFunc)runtime_invoke_signature_equal);
4534 /* from mono_marshal_find_in_cache */
4535 mono_marshal_lock ();
4536 res = g_hash_table_lookup (cache, callsig);
4537 mono_marshal_unlock ();
4544 /* Make a copy of the signature from the image mempool */
4546 callsig = mono_metadata_signature_dup_full (target_klass->image, callsig);
4550 sig = mono_method_signature (method);
4552 csig = mono_metadata_signature_alloc (target_klass->image, 4);
4554 csig->ret = &mono_defaults.object_class->byval_arg;
4555 if (method->klass->valuetype && mono_method_signature (method)->hasthis)
4556 csig->params [0] = callsig->params [0];
4558 csig->params [0] = &mono_defaults.object_class->byval_arg;
4559 csig->params [1] = &mono_defaults.int_class->byval_arg;
4560 csig->params [2] = &mono_defaults.int_class->byval_arg;
4561 csig->params [3] = &mono_defaults.int_class->byval_arg;
4563 name = mono_signature_to_name (callsig, virtual ? "runtime_invoke_virtual" : "runtime_invoke");
4564 mb = mono_mb_new (target_klass, name, MONO_WRAPPER_RUNTIME_INVOKE);
4567 emit_runtime_invoke_body (mb, target_klass, method, sig, callsig, virtual, need_direct_wrapper);
4569 if (need_direct_wrapper) {
4570 mb->skip_visibility = 1;
4571 res = mono_mb_create_and_cache (cache, method, mb, csig, sig->param_count + 16);
4573 /* taken from mono_mb_create_and_cache */
4574 mono_marshal_lock ();
4575 res = g_hash_table_lookup (cache, callsig);
4576 mono_marshal_unlock ();
4578 /* Somebody may have created it before us */
4581 newm = mono_mb_create_method (mb, csig, sig->param_count + 16);
4583 mono_marshal_lock ();
4584 res = g_hash_table_lookup (cache, callsig);
4587 g_hash_table_insert (cache, callsig, res);
4588 /* Can't insert it into wrapper_hash since the key is a signature */
4589 g_hash_table_insert (method->klass->image->runtime_invoke_direct_cache, method, res);
4591 mono_free_method (newm);
4593 mono_marshal_unlock ();
4596 /* end mono_mb_create_and_cache */
4605 * mono_marshal_get_runtime_invoke_dynamic:
4607 * Return a method which can be used to invoke managed methods from native code
4609 * The signature of the returned method is given by RuntimeInvokeDynamicFunction:
4610 * void runtime_invoke (void *args, MonoObject **exc, void *compiled_method)
4611 * ARGS should point to an architecture specific structure containing
4612 * the arguments and space for the return value.
4613 * The other arguments are the same as for runtime_invoke (), except that
4614 * ARGS should contain the this argument too.
4615 * This wrapper serves the same purpose as the runtime-invoke wrappers, but there
4616 * is only one copy of it, which is useful in full-aot.
4619 mono_marshal_get_runtime_invoke_dynamic (void)
4621 static MonoMethod *method;
4622 MonoMethodSignature *csig;
4623 MonoExceptionClause *clause;
4624 MonoMethodBuilder *mb;
4631 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
4633 csig->ret = &mono_defaults.void_class->byval_arg;
4634 csig->params [0] = &mono_defaults.int_class->byval_arg;
4635 csig->params [1] = &mono_defaults.int_class->byval_arg;
4636 csig->params [2] = &mono_defaults.int_class->byval_arg;
4637 csig->params [3] = &mono_defaults.int_class->byval_arg;
4639 name = g_strdup ("runtime_invoke_dynamic");
4640 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_RUNTIME_INVOKE);
4643 /* allocate local 0 (object) tmp */
4644 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4645 /* allocate local 1 (object) exc */
4646 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4648 /* cond set *exc to null */
4649 mono_mb_emit_byte (mb, CEE_LDARG_1);
4650 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
4651 mono_mb_emit_byte (mb, 3);
4652 mono_mb_emit_byte (mb, CEE_LDARG_1);
4653 mono_mb_emit_byte (mb, CEE_LDNULL);
4654 mono_mb_emit_byte (mb, CEE_STIND_REF);
4656 emit_thread_force_interrupt_checkpoint (mb);
4658 mono_mb_emit_byte (mb, CEE_LDARG_0);
4659 mono_mb_emit_byte (mb, CEE_LDARG_2);
4660 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4661 mono_mb_emit_byte (mb, CEE_MONO_DYN_CALL);
4663 pos = mono_mb_emit_branch (mb, CEE_LEAVE);
4665 clause = mono_image_alloc0 (mono_defaults.corlib, sizeof (MonoExceptionClause));
4666 clause->flags = MONO_EXCEPTION_CLAUSE_FILTER;
4667 clause->try_len = mono_mb_get_label (mb);
4670 clause->data.filter_offset = mono_mb_get_label (mb);
4672 mono_mb_emit_byte (mb, CEE_POP);
4673 mono_mb_emit_byte (mb, CEE_LDARG_1);
4674 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
4675 mono_mb_emit_byte (mb, CEE_PREFIX1);
4676 mono_mb_emit_byte (mb, CEE_CGT_UN);
4677 mono_mb_emit_byte (mb, CEE_PREFIX1);
4678 mono_mb_emit_byte (mb, CEE_ENDFILTER);
4680 clause->handler_offset = mono_mb_get_label (mb);
4683 /* store exception */
4684 mono_mb_emit_stloc (mb, 1);
4686 mono_mb_emit_byte (mb, CEE_LDARG_1);
4687 mono_mb_emit_ldloc (mb, 1);
4688 mono_mb_emit_byte (mb, CEE_STIND_REF);
4690 mono_mb_emit_byte (mb, CEE_LDNULL);
4691 mono_mb_emit_stloc (mb, 0);
4693 /* Check for the abort exception */
4694 mono_mb_emit_ldloc (mb, 1);
4695 mono_mb_emit_op (mb, CEE_ISINST, mono_defaults.threadabortexception_class);
4696 posna = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
4698 /* Delay the abort exception */
4699 mono_mb_emit_icall (mb, ves_icall_System_Threading_Thread_ResetAbort);
4701 mono_mb_patch_short_branch (mb, posna);
4702 mono_mb_emit_branch (mb, CEE_LEAVE);
4704 clause->handler_len = mono_mb_get_pos (mb) - clause->handler_offset;
4706 mono_mb_set_clauses (mb, 1, clause);
4709 mono_mb_patch_branch (mb, pos);
4710 //mono_mb_emit_ldloc (mb, 0);
4711 mono_mb_emit_byte (mb, CEE_RET);
4713 mono_loader_lock ();
4714 /* double-checked locking */
4716 method = mono_mb_create_method (mb, csig, 16);
4718 mono_loader_unlock ();
4726 mono_mb_emit_auto_layout_exception (MonoMethodBuilder *mb, MonoClass *klass)
4728 char *msg = g_strdup_printf ("The type `%s.%s' layout needs to be Sequential or Explicit",
4729 klass->name_space, klass->name);
4731 mono_mb_emit_exception_marshal_directive (mb, msg);
4735 * mono_marshal_get_ldfld_remote_wrapper:
4736 * @klass: The return type
4738 * This method generates a wrapper for calling mono_load_remote_field_new.
4739 * The return type is ignored for now, as mono_load_remote_field_new () always
4740 * returns an object. In the future, to optimize some codepaths, we might
4741 * call a different function that takes a pointer to a valuetype, instead.
4744 mono_marshal_get_ldfld_remote_wrapper (MonoClass *klass)
4746 MonoMethodSignature *sig, *csig;
4747 MonoMethodBuilder *mb;
4749 static MonoMethod* cached = NULL;
4751 mono_marshal_lock ();
4753 mono_marshal_unlock ();
4756 mono_marshal_unlock ();
4758 mb = mono_mb_new_no_dup_name (mono_defaults.object_class, "__mono_load_remote_field_new_wrapper", MONO_WRAPPER_LDFLD_REMOTE);
4760 mb->method->save_lmf = 1;
4762 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
4763 sig->params [0] = &mono_defaults.object_class->byval_arg;
4764 sig->params [1] = &mono_defaults.int_class->byval_arg;
4765 sig->params [2] = &mono_defaults.int_class->byval_arg;
4766 sig->ret = &mono_defaults.object_class->byval_arg;
4768 mono_mb_emit_ldarg (mb, 0);
4769 mono_mb_emit_ldarg (mb, 1);
4770 mono_mb_emit_ldarg (mb, 2);
4772 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
4773 csig->params [0] = &mono_defaults.object_class->byval_arg;
4774 csig->params [1] = &mono_defaults.int_class->byval_arg;
4775 csig->params [2] = &mono_defaults.int_class->byval_arg;
4776 csig->ret = &mono_defaults.object_class->byval_arg;
4779 mono_mb_emit_native_call (mb, csig, mono_load_remote_field_new);
4780 emit_thread_interrupt_checkpoint (mb);
4782 mono_mb_emit_byte (mb, CEE_RET);
4784 mono_marshal_lock ();
4786 mono_marshal_unlock ();
4789 newm = mono_mb_create_method (mb, sig, 4);
4790 mono_marshal_lock ();
4795 mono_marshal_unlock ();
4797 mono_marshal_unlock ();
4798 mono_free_method (newm);
4807 * mono_marshal_get_ldfld_wrapper:
4808 * @type: the type of the field
4810 * This method generates a function which can be use to load a field with type
4811 * @type from an object. The generated function has the following signature:
4812 * <@type> ldfld_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset)
4815 mono_marshal_get_ldfld_wrapper (MonoType *type)
4817 MonoMethodSignature *sig;
4818 MonoMethodBuilder *mb;
4823 int t, pos0, pos1 = 0;
4825 type = mono_type_get_underlying_type (type);
4830 if (type->type == MONO_TYPE_SZARRAY) {
4831 klass = mono_defaults.array_class;
4832 } else if (type->type == MONO_TYPE_VALUETYPE) {
4833 klass = type->data.klass;
4834 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING) {
4835 klass = mono_defaults.object_class;
4836 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
4837 klass = mono_defaults.int_class;
4838 } else if (t == MONO_TYPE_GENERICINST) {
4839 if (mono_type_generic_inst_is_valuetype (type))
4840 klass = mono_class_from_mono_type (type);
4842 klass = mono_defaults.object_class;
4844 klass = mono_class_from_mono_type (type);
4847 klass = mono_defaults.int_class;
4850 cache = get_cache (&klass->image->ldfld_wrapper_cache, mono_aligned_addr_hash, NULL);
4851 if ((res = mono_marshal_find_in_cache (cache, klass)))
4854 /* we add the %p pointer value of klass because class names are not unique */
4855 name = g_strdup_printf ("__ldfld_wrapper_%p_%s.%s", klass, klass->name_space, klass->name);
4856 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_LDFLD);
4859 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
4860 sig->params [0] = &mono_defaults.object_class->byval_arg;
4861 sig->params [1] = &mono_defaults.int_class->byval_arg;
4862 sig->params [2] = &mono_defaults.int_class->byval_arg;
4863 sig->params [3] = &mono_defaults.int_class->byval_arg;
4864 sig->ret = &klass->byval_arg;
4866 mono_mb_emit_ldarg (mb, 0);
4867 pos0 = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
4869 mono_mb_emit_ldarg (mb, 0);
4870 mono_mb_emit_ldarg (mb, 1);
4871 mono_mb_emit_ldarg (mb, 2);
4873 mono_mb_emit_managed_call (mb, mono_marshal_get_ldfld_remote_wrapper (klass), NULL);
4876 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
4877 csig->params [0] = &mono_defaults.object_class->byval_arg;
4878 csig->params [1] = &mono_defaults.int_class->byval_arg;
4879 csig->params [2] = &mono_defaults.int_class->byval_arg;
4880 csig->ret = &klass->this_arg;
4883 mono_mb_emit_native_call (mb, csig, mono_load_remote_field_new);
4884 emit_thread_interrupt_checkpoint (mb);
4887 if (klass->valuetype) {
4888 mono_mb_emit_op (mb, CEE_UNBOX, klass);
4889 pos1 = mono_mb_emit_branch (mb, CEE_BR);
4891 mono_mb_emit_byte (mb, CEE_RET);
4895 mono_mb_patch_branch (mb, pos0);
4897 mono_mb_emit_ldarg (mb, 0);
4898 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4899 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
4900 mono_mb_emit_ldarg (mb, 3);
4901 mono_mb_emit_byte (mb, CEE_ADD);
4903 if (klass->valuetype)
4904 mono_mb_patch_branch (mb, pos1);
4909 case MONO_TYPE_BOOLEAN:
4910 case MONO_TYPE_CHAR:
4919 case MONO_TYPE_ARRAY:
4920 case MONO_TYPE_SZARRAY:
4921 case MONO_TYPE_OBJECT:
4922 case MONO_TYPE_CLASS:
4923 case MONO_TYPE_STRING:
4927 case MONO_TYPE_FNPTR:
4928 mono_mb_emit_byte (mb, mono_type_to_ldind (type));
4930 case MONO_TYPE_VALUETYPE:
4931 g_assert (!klass->enumtype);
4932 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
4934 case MONO_TYPE_GENERICINST:
4935 if (mono_type_generic_inst_is_valuetype (type)) {
4936 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
4938 mono_mb_emit_byte (mb, CEE_LDIND_REF);
4942 g_warning ("type %x not implemented", type->type);
4943 g_assert_not_reached ();
4946 mono_mb_emit_byte (mb, CEE_RET);
4948 res = mono_mb_create_and_cache (cache, klass,
4949 mb, sig, sig->param_count + 16);
4956 * mono_marshal_get_ldflda_wrapper:
4957 * @type: the type of the field
4959 * This method generates a function which can be used to load a field address
4960 * from an object. The generated function has the following signature:
4961 * gpointer ldflda_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset);
4964 mono_marshal_get_ldflda_wrapper (MonoType *type)
4966 MonoMethodSignature *sig;
4967 MonoMethodBuilder *mb;
4972 int t, pos0, pos1, pos2, pos3;
4974 type = mono_type_get_underlying_type (type);
4978 if (type->type == MONO_TYPE_SZARRAY) {
4979 klass = mono_defaults.array_class;
4980 } else if (type->type == MONO_TYPE_VALUETYPE) {
4981 klass = type->data.klass;
4982 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING ||
4983 t == MONO_TYPE_CLASS) {
4984 klass = mono_defaults.object_class;
4985 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
4986 klass = mono_defaults.int_class;
4987 } else if (t == MONO_TYPE_GENERICINST) {
4988 if (mono_type_generic_inst_is_valuetype (type))
4989 klass = mono_class_from_mono_type (type);
4991 klass = mono_defaults.object_class;
4993 klass = mono_class_from_mono_type (type);
4996 klass = mono_defaults.int_class;
4999 cache = get_cache (&klass->image->ldflda_wrapper_cache, mono_aligned_addr_hash, NULL);
5000 if ((res = mono_marshal_find_in_cache (cache, klass)))
5003 /* we add the %p pointer value of klass because class names are not unique */
5004 name = g_strdup_printf ("__ldflda_wrapper_%p_%s.%s", klass, klass->name_space, klass->name);
5005 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_LDFLDA);
5008 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
5009 sig->params [0] = &mono_defaults.object_class->byval_arg;
5010 sig->params [1] = &mono_defaults.int_class->byval_arg;
5011 sig->params [2] = &mono_defaults.int_class->byval_arg;
5012 sig->params [3] = &mono_defaults.int_class->byval_arg;
5013 sig->ret = &mono_defaults.int_class->byval_arg;
5015 /* if typeof (this) != transparent_proxy goto pos0 */
5016 mono_mb_emit_ldarg (mb, 0);
5017 pos0 = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
5019 /* if same_appdomain goto pos1 */
5020 mono_mb_emit_ldarg (mb, 0);
5021 pos1 = mono_mb_emit_xdomain_check (mb, CEE_BEQ);
5023 mono_mb_emit_exception_full (mb, "System", "InvalidOperationException", "Attempt to load field address from object in another appdomain.");
5025 /* same app domain */
5026 mono_mb_patch_branch (mb, pos1);
5028 /* if typeof (this) != contextbound goto pos2 */
5029 mono_mb_emit_ldarg (mb, 0);
5030 pos2 = mono_mb_emit_contextbound_check (mb, CEE_BEQ);
5032 /* if this->rp->context == mono_context_get goto pos3 */
5033 mono_mb_emit_ldarg (mb, 0);
5034 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
5035 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5036 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoRealProxy, context));
5037 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5038 mono_mb_emit_icall (mb, mono_context_get);
5039 pos3 = mono_mb_emit_branch (mb, CEE_BEQ);
5041 mono_mb_emit_exception_full (mb, "System", "InvalidOperationException", "Attempt to load field address from object in another context.");
5043 mono_mb_patch_branch (mb, pos2);
5044 mono_mb_patch_branch (mb, pos3);
5046 /* return the address of the field from this->rp->unwrapped_server */
5047 mono_mb_emit_ldarg (mb, 0);
5048 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
5049 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5050 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoRealProxy, unwrapped_server));
5051 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5052 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5053 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
5054 mono_mb_emit_ldarg (mb, 3);
5055 mono_mb_emit_byte (mb, CEE_ADD);
5056 mono_mb_emit_byte (mb, CEE_RET);
5058 /* not a proxy: return the address of the field directly */
5059 mono_mb_patch_branch (mb, pos0);
5061 mono_mb_emit_ldarg (mb, 0);
5062 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5063 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
5064 mono_mb_emit_ldarg (mb, 3);
5065 mono_mb_emit_byte (mb, CEE_ADD);
5067 mono_mb_emit_byte (mb, CEE_RET);
5069 res = mono_mb_create_and_cache (cache, klass,
5070 mb, sig, sig->param_count + 16);
5077 * mono_marshal_get_stfld_remote_wrapper:
5078 * klass: The type of the field
5080 * This function generates a wrapper for calling mono_store_remote_field_new
5081 * with the appropriate signature.
5082 * Similarly to mono_marshal_get_ldfld_remote_wrapper () this doesn't depend on the
5083 * klass argument anymore.
5086 mono_marshal_get_stfld_remote_wrapper (MonoClass *klass)
5088 MonoMethodSignature *sig, *csig;
5089 MonoMethodBuilder *mb;
5091 static MonoMethod *cached = NULL;
5093 mono_marshal_lock ();
5095 mono_marshal_unlock ();
5098 mono_marshal_unlock ();
5100 mb = mono_mb_new_no_dup_name (mono_defaults.object_class, "__mono_store_remote_field_new_wrapper", MONO_WRAPPER_STFLD_REMOTE);
5102 mb->method->save_lmf = 1;
5104 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
5105 sig->params [0] = &mono_defaults.object_class->byval_arg;
5106 sig->params [1] = &mono_defaults.int_class->byval_arg;
5107 sig->params [2] = &mono_defaults.int_class->byval_arg;
5108 sig->params [3] = &mono_defaults.object_class->byval_arg;
5109 sig->ret = &mono_defaults.void_class->byval_arg;
5111 mono_mb_emit_ldarg (mb, 0);
5112 mono_mb_emit_ldarg (mb, 1);
5113 mono_mb_emit_ldarg (mb, 2);
5114 mono_mb_emit_ldarg (mb, 3);
5116 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
5117 csig->params [0] = &mono_defaults.object_class->byval_arg;
5118 csig->params [1] = &mono_defaults.int_class->byval_arg;
5119 csig->params [2] = &mono_defaults.int_class->byval_arg;
5120 csig->params [3] = &mono_defaults.object_class->byval_arg;
5121 csig->ret = &mono_defaults.void_class->byval_arg;
5124 mono_mb_emit_native_call (mb, csig, mono_store_remote_field_new);
5125 emit_thread_interrupt_checkpoint (mb);
5127 mono_mb_emit_byte (mb, CEE_RET);
5129 mono_marshal_lock ();
5131 mono_marshal_unlock ();
5134 newm = mono_mb_create_method (mb, sig, 6);
5135 mono_marshal_lock ();
5140 mono_marshal_unlock ();
5142 mono_marshal_unlock ();
5143 mono_free_method (newm);
5152 * mono_marshal_get_stfld_wrapper:
5153 * @type: the type of the field
5155 * This method generates a function which can be use to store a field with type
5156 * @type. The generated function has the following signature:
5157 * void stfld_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset, <@type> val)
5160 mono_marshal_get_stfld_wrapper (MonoType *type)
5162 MonoMethodSignature *sig;
5163 MonoMethodBuilder *mb;
5170 type = mono_type_get_underlying_type (type);
5174 if (type->type == MONO_TYPE_SZARRAY) {
5175 klass = mono_defaults.array_class;
5176 } else if (type->type == MONO_TYPE_VALUETYPE) {
5177 klass = type->data.klass;
5178 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING) {
5179 klass = mono_defaults.object_class;
5180 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
5181 klass = mono_defaults.int_class;
5182 } else if (t == MONO_TYPE_GENERICINST) {
5183 if (mono_type_generic_inst_is_valuetype (type))
5184 klass = mono_class_from_mono_type (type);
5186 klass = mono_defaults.object_class;
5188 klass = mono_class_from_mono_type (type);
5191 klass = mono_defaults.int_class;
5194 cache = get_cache (&klass->image->stfld_wrapper_cache, mono_aligned_addr_hash, NULL);
5195 if ((res = mono_marshal_find_in_cache (cache, klass)))
5198 /* we add the %p pointer value of klass because class names are not unique */
5199 name = g_strdup_printf ("__stfld_wrapper_%p_%s.%s", klass, klass->name_space, klass->name);
5200 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_STFLD);
5203 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 5);
5204 sig->params [0] = &mono_defaults.object_class->byval_arg;
5205 sig->params [1] = &mono_defaults.int_class->byval_arg;
5206 sig->params [2] = &mono_defaults.int_class->byval_arg;
5207 sig->params [3] = &mono_defaults.int_class->byval_arg;
5208 sig->params [4] = &klass->byval_arg;
5209 sig->ret = &mono_defaults.void_class->byval_arg;
5211 mono_mb_emit_ldarg (mb, 0);
5212 pos = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
5214 mono_mb_emit_ldarg (mb, 0);
5215 mono_mb_emit_ldarg (mb, 1);
5216 mono_mb_emit_ldarg (mb, 2);
5217 mono_mb_emit_ldarg (mb, 4);
5218 if (klass->valuetype)
5219 mono_mb_emit_op (mb, CEE_BOX, klass);
5221 mono_mb_emit_managed_call (mb, mono_marshal_get_stfld_remote_wrapper (klass), NULL);
5223 mono_mb_emit_byte (mb, CEE_RET);
5225 mono_mb_patch_branch (mb, pos);
5227 mono_mb_emit_ldarg (mb, 0);
5228 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5229 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
5230 mono_mb_emit_ldarg (mb, 3);
5231 mono_mb_emit_byte (mb, CEE_ADD);
5232 mono_mb_emit_ldarg (mb, 4);
5237 case MONO_TYPE_BOOLEAN:
5238 case MONO_TYPE_CHAR:
5247 case MONO_TYPE_ARRAY:
5248 case MONO_TYPE_SZARRAY:
5249 case MONO_TYPE_OBJECT:
5250 case MONO_TYPE_CLASS:
5251 case MONO_TYPE_STRING:
5255 case MONO_TYPE_FNPTR:
5256 mono_mb_emit_byte (mb, mono_type_to_stind (type));
5258 case MONO_TYPE_VALUETYPE:
5259 g_assert (!klass->enumtype);
5260 mono_mb_emit_op (mb, CEE_STOBJ, klass);
5262 case MONO_TYPE_GENERICINST:
5263 mono_mb_emit_op (mb, CEE_STOBJ, klass);
5266 g_warning ("type %x not implemented", type->type);
5267 g_assert_not_reached ();
5270 mono_mb_emit_byte (mb, CEE_RET);
5272 res = mono_mb_create_and_cache (cache, klass,
5273 mb, sig, sig->param_count + 16);
5280 * generates IL code for the icall wrapper (the generated method
5281 * calls the unmanaged code in func)
5284 mono_marshal_get_icall_wrapper (MonoMethodSignature *sig, const char *name, gconstpointer func, gboolean check_exceptions)
5286 MonoMethodSignature *csig, *csig2;
5287 MonoMethodBuilder *mb;
5291 g_assert (sig->pinvoke);
5293 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_MANAGED_TO_NATIVE);
5295 mb->method->save_lmf = 1;
5297 /* Add an explicit this argument */
5299 csig2 = signature_dup_add_this (sig, mono_defaults.object_class);
5301 csig2 = signature_dup (mono_defaults.corlib, sig);
5304 mono_mb_emit_byte (mb, CEE_LDARG_0);
5306 for (i = 0; i < sig->param_count; i++)
5307 mono_mb_emit_ldarg (mb, i + sig->hasthis);
5309 mono_mb_emit_native_call (mb, csig2, (gpointer) func);
5310 if (check_exceptions)
5311 emit_thread_interrupt_checkpoint (mb);
5312 mono_mb_emit_byte (mb, CEE_RET);
5314 csig = signature_dup (mono_defaults.corlib, sig);
5316 if (csig->call_convention == MONO_CALL_VARARG)
5317 csig->call_convention = 0;
5319 res = mono_mb_create_method (mb, csig, csig->param_count + 16);
5326 emit_marshal_custom (EmitMarshalContext *m, int argnum, MonoType *t,
5327 MonoMarshalSpec *spec,
5328 int conv_arg, MonoType **conv_arg_type,
5329 MarshalAction action)
5333 static MonoClass *ICustomMarshaler = NULL;
5334 static MonoMethod *cleanup_native, *cleanup_managed;
5335 static MonoMethod *marshal_managed_to_native, *marshal_native_to_managed;
5336 MonoMethod *get_instance;
5337 MonoMethodBuilder *mb = m->mb;
5338 char *exception_msg = NULL;
5342 if (!ICustomMarshaler) {
5343 ICustomMarshaler = mono_class_from_name (mono_defaults.corlib, "System.Runtime.InteropServices", "ICustomMarshaler");
5344 g_assert (ICustomMarshaler);
5346 cleanup_native = mono_class_get_method_from_name (ICustomMarshaler, "CleanUpNativeData", 1);
5347 g_assert (cleanup_native);
5348 cleanup_managed = mono_class_get_method_from_name (ICustomMarshaler, "CleanUpManagedData", 1);
5349 g_assert (cleanup_managed);
5350 marshal_managed_to_native = mono_class_get_method_from_name (ICustomMarshaler, "MarshalManagedToNative", 1);
5351 g_assert (marshal_managed_to_native);
5352 marshal_native_to_managed = mono_class_get_method_from_name (ICustomMarshaler, "MarshalNativeToManaged", 1);
5353 g_assert (marshal_native_to_managed);
5356 mtype = mono_reflection_type_from_name (spec->data.custom_data.custom_name, m->image);
5357 g_assert (mtype != NULL);
5358 mklass = mono_class_from_mono_type (mtype);
5359 g_assert (mklass != NULL);
5361 if (!mono_class_is_assignable_from (ICustomMarshaler, mklass))
5362 exception_msg = g_strdup_printf ("Custom marshaler '%s' does not implement the ICustomMarshaler interface.", mklass->name);
5364 get_instance = mono_class_get_method_from_name_flags (mklass, "GetInstance", 1, METHOD_ATTRIBUTE_STATIC);
5366 MonoMethodSignature *get_sig = mono_method_signature (get_instance);
5367 if ((get_sig->ret->type != MONO_TYPE_CLASS) ||
5368 (mono_class_from_mono_type (get_sig->ret) != ICustomMarshaler) ||
5369 (get_sig->params [0]->type != MONO_TYPE_STRING))
5370 get_instance = NULL;
5374 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);
5376 /* Throw exception and emit compensation code if neccesary */
5377 if (exception_msg) {
5379 case MARSHAL_ACTION_CONV_IN:
5380 case MARSHAL_ACTION_CONV_RESULT:
5381 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
5382 if ((action == MARSHAL_ACTION_CONV_RESULT) || (action == MARSHAL_ACTION_MANAGED_CONV_RESULT))
5383 mono_mb_emit_byte (mb, CEE_POP);
5385 mono_mb_emit_exception_full (mb, "System", "ApplicationException", exception_msg);
5386 g_free (exception_msg);
5389 case MARSHAL_ACTION_PUSH:
5390 mono_mb_emit_byte (mb, CEE_LDNULL);
5398 /* FIXME: MS.NET seems to create one instance for each klass + cookie pair */
5399 /* FIXME: MS.NET throws an exception if GetInstance returns null */
5402 case MARSHAL_ACTION_CONV_IN:
5404 case MONO_TYPE_CLASS:
5405 case MONO_TYPE_OBJECT:
5406 case MONO_TYPE_STRING:
5407 case MONO_TYPE_ARRAY:
5408 case MONO_TYPE_SZARRAY:
5409 case MONO_TYPE_VALUETYPE:
5413 g_warning ("custom marshalling of type %x is currently not supported", t->type);
5414 g_assert_not_reached ();
5418 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5420 mono_mb_emit_byte (mb, CEE_LDNULL);
5421 mono_mb_emit_stloc (mb, conv_arg);
5423 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT))
5426 /* Minic MS.NET behavior */
5427 if (!t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT) && !(t->attrs & PARAM_ATTRIBUTE_IN))
5430 /* Check for null */
5431 mono_mb_emit_ldarg (mb, argnum);
5433 mono_mb_emit_byte (mb, CEE_LDIND_I);
5434 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5436 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5438 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5440 mono_mb_emit_ldarg (mb, argnum);
5442 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5444 if (t->type == MONO_TYPE_VALUETYPE) {
5446 * Since we can't determine the type of the argument, we
5447 * will assume the unmanaged function takes a pointer.
5449 *conv_arg_type = &mono_defaults.int_class->byval_arg;
5451 mono_mb_emit_op (mb, CEE_BOX, mono_class_from_mono_type (t));
5454 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_managed_to_native);
5455 mono_mb_emit_stloc (mb, conv_arg);
5457 mono_mb_patch_branch (mb, pos2);
5460 case MARSHAL_ACTION_CONV_OUT:
5461 /* Check for null */
5462 mono_mb_emit_ldloc (mb, conv_arg);
5463 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5466 mono_mb_emit_ldarg (mb, argnum);
5468 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5470 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5472 mono_mb_emit_ldloc (mb, conv_arg);
5473 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
5474 mono_mb_emit_byte (mb, CEE_STIND_REF);
5475 } else if (t->attrs & PARAM_ATTRIBUTE_OUT) {
5476 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5478 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5480 mono_mb_emit_ldloc (mb, conv_arg);
5481 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
5483 /* We have nowhere to store the result */
5484 mono_mb_emit_byte (mb, CEE_POP);
5487 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5489 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5491 mono_mb_emit_ldloc (mb, conv_arg);
5493 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_native);
5495 mono_mb_patch_branch (mb, pos2);
5498 case MARSHAL_ACTION_PUSH:
5500 mono_mb_emit_ldloc_addr (mb, conv_arg);
5502 mono_mb_emit_ldloc (mb, conv_arg);
5505 case MARSHAL_ACTION_CONV_RESULT:
5506 loc1 = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5508 mono_mb_emit_stloc (mb, 3);
5510 mono_mb_emit_ldloc (mb, 3);
5511 mono_mb_emit_stloc (mb, loc1);
5513 /* Check for null */
5514 mono_mb_emit_ldloc (mb, 3);
5515 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5517 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5519 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5520 mono_mb_emit_byte (mb, CEE_DUP);
5522 mono_mb_emit_ldloc (mb, 3);
5523 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
5524 mono_mb_emit_stloc (mb, 3);
5526 mono_mb_emit_ldloc (mb, loc1);
5527 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_native);
5529 mono_mb_patch_branch (mb, pos2);
5532 case MARSHAL_ACTION_MANAGED_CONV_IN:
5533 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
5535 mono_mb_emit_byte (mb, CEE_LDNULL);
5536 mono_mb_emit_stloc (mb, conv_arg);
5538 if (t->byref && t->attrs & PARAM_ATTRIBUTE_OUT)
5541 /* Check for null */
5542 mono_mb_emit_ldarg (mb, argnum);
5544 mono_mb_emit_byte (mb, CEE_LDIND_I);
5545 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5547 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5548 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5550 mono_mb_emit_ldarg (mb, argnum);
5552 mono_mb_emit_byte (mb, CEE_LDIND_I);
5554 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
5555 mono_mb_emit_stloc (mb, conv_arg);
5557 mono_mb_patch_branch (mb, pos2);
5560 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
5561 g_assert (!t->byref);
5563 loc1 = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
5565 mono_mb_emit_stloc (mb, 3);
5567 mono_mb_emit_ldloc (mb, 3);
5568 mono_mb_emit_stloc (mb, loc1);
5570 /* Check for null */
5571 mono_mb_emit_ldloc (mb, 3);
5572 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5574 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5575 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5576 mono_mb_emit_byte (mb, CEE_DUP);
5578 mono_mb_emit_ldloc (mb, 3);
5579 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_managed_to_native);
5580 mono_mb_emit_stloc (mb, 3);
5582 mono_mb_emit_ldloc (mb, loc1);
5583 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_managed);
5585 mono_mb_patch_branch (mb, pos2);
5588 case MARSHAL_ACTION_MANAGED_CONV_OUT:
5590 /* Check for null */
5591 mono_mb_emit_ldloc (mb, conv_arg);
5592 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5595 mono_mb_emit_ldarg (mb, argnum);
5597 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5599 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5601 mono_mb_emit_ldloc (mb, conv_arg);
5602 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_managed_to_native);
5603 mono_mb_emit_byte (mb, CEE_STIND_I);
5606 /* Call CleanUpManagedData */
5607 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5609 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5611 mono_mb_emit_ldloc (mb, conv_arg);
5612 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_managed);
5614 mono_mb_patch_branch (mb, pos2);
5618 g_assert_not_reached ();
5625 emit_marshal_asany (EmitMarshalContext *m, int argnum, MonoType *t,
5626 MonoMarshalSpec *spec,
5627 int conv_arg, MonoType **conv_arg_type,
5628 MarshalAction action)
5630 MonoMethodBuilder *mb = m->mb;
5633 case MARSHAL_ACTION_CONV_IN: {
5634 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, NULL);
5636 g_assert (t->type == MONO_TYPE_OBJECT);
5637 g_assert (!t->byref);
5639 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5640 mono_mb_emit_ldarg (mb, argnum);
5641 mono_mb_emit_icon (mb, encoding);
5642 mono_mb_emit_icon (mb, t->attrs);
5643 mono_mb_emit_icall (mb, mono_marshal_asany);
5644 mono_mb_emit_stloc (mb, conv_arg);
5648 case MARSHAL_ACTION_PUSH:
5649 mono_mb_emit_ldloc (mb, conv_arg);
5652 case MARSHAL_ACTION_CONV_OUT: {
5653 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, NULL);
5655 mono_mb_emit_ldarg (mb, argnum);
5656 mono_mb_emit_ldloc (mb, conv_arg);
5657 mono_mb_emit_icon (mb, encoding);
5658 mono_mb_emit_icon (mb, t->attrs);
5659 mono_mb_emit_icall (mb, mono_marshal_free_asany);
5664 g_assert_not_reached ();
5671 emit_marshal_vtype (EmitMarshalContext *m, int argnum, MonoType *t,
5672 MonoMarshalSpec *spec,
5673 int conv_arg, MonoType **conv_arg_type,
5674 MarshalAction action)
5676 MonoMethodBuilder *mb = m->mb;
5677 MonoClass *klass, *date_time_class;
5680 klass = mono_class_from_mono_type (t);
5682 date_time_class = mono_class_from_name_cached (mono_defaults.corlib, "System", "DateTime");
5685 case MARSHAL_ACTION_CONV_IN:
5686 if (klass == date_time_class) {
5687 /* Convert it to an OLE DATE type */
5688 static MonoMethod *to_oadate;
5691 to_oadate = mono_class_get_method_from_name (date_time_class, "ToOADate", 0);
5692 g_assert (to_oadate);
5694 conv_arg = mono_mb_add_local (mb, &mono_defaults.double_class->byval_arg);
5697 mono_mb_emit_ldarg (mb, argnum);
5698 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
5701 if (!(t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && (t->attrs & PARAM_ATTRIBUTE_OUT))) {
5703 m->csig->params [argnum - m->csig->hasthis] = &mono_defaults.double_class->byval_arg;
5705 mono_mb_emit_ldarg_addr (mb, argnum);
5706 mono_mb_emit_managed_call (mb, to_oadate, NULL);
5707 mono_mb_emit_stloc (mb, conv_arg);
5711 mono_mb_patch_branch (mb, pos);
5715 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
5716 klass->blittable || klass->enumtype)
5719 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5721 /* store the address of the source into local variable 0 */
5723 mono_mb_emit_ldarg (mb, argnum);
5725 mono_mb_emit_ldarg_addr (mb, argnum);
5727 mono_mb_emit_stloc (mb, 0);
5729 /* allocate space for the native struct and
5730 * store the address into local variable 1 (dest) */
5731 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
5732 mono_mb_emit_byte (mb, CEE_PREFIX1);
5733 mono_mb_emit_byte (mb, CEE_LOCALLOC);
5734 mono_mb_emit_stloc (mb, conv_arg);
5737 mono_mb_emit_ldloc (mb, 0);
5738 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
5741 if (!(t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && (t->attrs & PARAM_ATTRIBUTE_OUT))) {
5743 mono_mb_emit_ldloc (mb, conv_arg);
5744 mono_mb_emit_stloc (mb, 1);
5746 /* emit valuetype conversion code */
5747 emit_struct_conv (mb, klass, FALSE);
5751 mono_mb_patch_branch (mb, pos);
5754 case MARSHAL_ACTION_PUSH:
5755 if (spec && spec->native == MONO_NATIVE_LPSTRUCT) {
5757 g_assert (!t->byref);
5759 /* Have to change the signature since the vtype is passed byref */
5760 m->csig->params [argnum - m->csig->hasthis] = &mono_defaults.int_class->byval_arg;
5762 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
5763 klass->blittable || klass->enumtype)
5764 mono_mb_emit_ldarg_addr (mb, argnum);
5766 mono_mb_emit_ldloc (mb, conv_arg);
5770 if (klass == date_time_class) {
5772 mono_mb_emit_ldloc_addr (mb, conv_arg);
5774 mono_mb_emit_ldloc (mb, conv_arg);
5778 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
5779 klass->blittable || klass->enumtype) {
5780 mono_mb_emit_ldarg (mb, argnum);
5783 mono_mb_emit_ldloc (mb, conv_arg);
5785 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5786 mono_mb_emit_op (mb, CEE_MONO_LDNATIVEOBJ, klass);
5790 case MARSHAL_ACTION_CONV_OUT:
5791 if (klass == date_time_class) {
5792 /* Convert from an OLE DATE type */
5793 static MonoMethod *from_oadate;
5798 if (!((t->attrs & PARAM_ATTRIBUTE_IN) && !(t->attrs & PARAM_ATTRIBUTE_OUT))) {
5800 from_oadate = mono_class_get_method_from_name (date_time_class, "FromOADate", 1);
5801 g_assert (from_oadate);
5803 mono_mb_emit_ldarg (mb, argnum);
5804 mono_mb_emit_ldloc (mb, conv_arg);
5805 mono_mb_emit_managed_call (mb, from_oadate, NULL);
5806 mono_mb_emit_op (mb, CEE_STOBJ, date_time_class);
5811 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
5812 klass->blittable || klass->enumtype)
5816 /* dst = argument */
5817 mono_mb_emit_ldarg (mb, argnum);
5818 mono_mb_emit_stloc (mb, 1);
5820 mono_mb_emit_ldloc (mb, 1);
5821 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
5823 if (!((t->attrs & PARAM_ATTRIBUTE_IN) && !(t->attrs & PARAM_ATTRIBUTE_OUT))) {
5824 /* src = tmp_locals [i] */
5825 mono_mb_emit_ldloc (mb, conv_arg);
5826 mono_mb_emit_stloc (mb, 0);
5828 /* emit valuetype conversion code */
5829 emit_struct_conv (mb, klass, TRUE);
5833 emit_struct_free (mb, klass, conv_arg);
5836 mono_mb_patch_branch (mb, pos);
5839 case MARSHAL_ACTION_CONV_RESULT:
5840 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
5842 mono_mb_emit_stloc (mb, 3);
5846 /* load pointer to returned value type */
5847 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5848 mono_mb_emit_byte (mb, CEE_MONO_VTADDR);
5849 /* store the address of the source into local variable 0 */
5850 mono_mb_emit_stloc (mb, 0);
5852 mono_mb_emit_ldloc_addr (mb, 3);
5853 mono_mb_emit_stloc (mb, 1);
5855 /* emit valuetype conversion code */
5856 emit_struct_conv (mb, klass, TRUE);
5859 case MARSHAL_ACTION_MANAGED_CONV_IN:
5860 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
5861 klass->blittable || klass->enumtype) {
5866 conv_arg = mono_mb_add_local (mb, &klass->byval_arg);
5868 if (t->attrs & PARAM_ATTRIBUTE_OUT)
5872 mono_mb_emit_ldarg (mb, argnum);
5874 mono_mb_emit_ldarg_addr (mb, argnum);
5875 mono_mb_emit_stloc (mb, 0);
5878 mono_mb_emit_ldloc (mb, 0);
5879 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
5882 mono_mb_emit_ldloc_addr (mb, conv_arg);
5883 mono_mb_emit_stloc (mb, 1);
5885 /* emit valuetype conversion code */
5886 emit_struct_conv (mb, klass, TRUE);
5889 mono_mb_patch_branch (mb, pos);
5892 case MARSHAL_ACTION_MANAGED_CONV_OUT:
5893 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
5894 klass->blittable || klass->enumtype) {
5898 /* Check for null */
5899 mono_mb_emit_ldarg (mb, argnum);
5900 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5903 mono_mb_emit_ldloc_addr (mb, conv_arg);
5904 mono_mb_emit_stloc (mb, 0);
5907 mono_mb_emit_ldarg (mb, argnum);
5908 mono_mb_emit_stloc (mb, 1);
5910 /* emit valuetype conversion code */
5911 emit_struct_conv (mb, klass, FALSE);
5913 mono_mb_patch_branch (mb, pos2);
5916 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
5917 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
5918 klass->blittable || klass->enumtype) {
5919 mono_mb_emit_stloc (mb, 3);
5924 /* load pointer to returned value type */
5925 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5926 mono_mb_emit_byte (mb, CEE_MONO_VTADDR);
5928 /* store the address of the source into local variable 0 */
5929 mono_mb_emit_stloc (mb, 0);
5930 /* allocate space for the native struct and
5931 * store the address into dst_ptr */
5932 m->retobj_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5933 m->retobj_class = klass;
5934 g_assert (m->retobj_var);
5935 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
5936 mono_mb_emit_byte (mb, CEE_CONV_I);
5937 mono_mb_emit_icall (mb, mono_marshal_alloc);
5938 mono_mb_emit_stloc (mb, 1);
5939 mono_mb_emit_ldloc (mb, 1);
5940 mono_mb_emit_stloc (mb, m->retobj_var);
5942 /* emit valuetype conversion code */
5943 emit_struct_conv (mb, klass, FALSE);
5947 g_assert_not_reached ();
5954 emit_marshal_string (EmitMarshalContext *m, int argnum, MonoType *t,
5955 MonoMarshalSpec *spec,
5956 int conv_arg, MonoType **conv_arg_type,
5957 MarshalAction action)
5959 MonoMethodBuilder *mb = m->mb;
5960 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
5961 MonoMarshalConv conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
5965 case MARSHAL_ACTION_CONV_IN:
5966 *conv_arg_type = &mono_defaults.int_class->byval_arg;
5967 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5970 if (t->attrs & PARAM_ATTRIBUTE_OUT)
5973 mono_mb_emit_ldarg (mb, argnum);
5974 mono_mb_emit_byte (mb, CEE_LDIND_I);
5976 mono_mb_emit_ldarg (mb, argnum);
5980 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
5981 MonoException *exc = mono_get_exception_not_implemented (msg);
5982 g_warning ("%s", msg);
5984 mono_raise_exception (exc);
5987 mono_mb_emit_icall (mb, conv_to_icall (conv));
5989 mono_mb_emit_stloc (mb, conv_arg);
5992 case MARSHAL_ACTION_CONV_OUT:
5993 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
5995 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
5996 mono_mb_emit_exception_marshal_directive (mb, msg);
6000 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT)) {
6001 mono_mb_emit_ldarg (mb, argnum);
6002 mono_mb_emit_ldloc (mb, conv_arg);
6003 mono_mb_emit_icall (mb, conv_to_icall (conv));
6004 mono_mb_emit_byte (mb, CEE_STIND_REF);
6007 if (need_free || (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT))) {
6008 mono_mb_emit_ldloc (mb, conv_arg);
6009 if (conv == MONO_MARSHAL_CONV_BSTR_STR)
6010 mono_mb_emit_icall (mb, mono_free_bstr);
6012 mono_mb_emit_icall (mb, mono_marshal_free);
6016 case MARSHAL_ACTION_PUSH:
6018 mono_mb_emit_ldloc_addr (mb, conv_arg);
6020 mono_mb_emit_ldloc (mb, conv_arg);
6023 case MARSHAL_ACTION_CONV_RESULT:
6024 mono_mb_emit_stloc (mb, 0);
6026 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
6028 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
6029 mono_mb_emit_exception_marshal_directive (mb, msg);
6033 mono_mb_emit_ldloc (mb, 0);
6034 mono_mb_emit_icall (mb, conv_to_icall (conv));
6035 mono_mb_emit_stloc (mb, 3);
6037 /* free the string */
6038 mono_mb_emit_ldloc (mb, 0);
6039 if (conv == MONO_MARSHAL_CONV_BSTR_STR)
6040 mono_mb_emit_icall (mb, mono_free_bstr);
6042 mono_mb_emit_icall (mb, mono_marshal_free);
6045 case MARSHAL_ACTION_MANAGED_CONV_IN:
6046 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
6048 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6050 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
6052 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
6053 mono_mb_emit_exception_marshal_directive (mb, msg);
6057 mono_mb_emit_ldarg (mb, argnum);
6059 mono_mb_emit_byte (mb, CEE_LDIND_I);
6060 mono_mb_emit_icall (mb, conv_to_icall (conv));
6061 mono_mb_emit_stloc (mb, conv_arg);
6064 case MARSHAL_ACTION_MANAGED_CONV_OUT:
6067 mono_mb_emit_ldarg (mb, argnum);
6068 mono_mb_emit_ldloc (mb, conv_arg);
6069 mono_mb_emit_icall (mb, conv_to_icall (conv));
6070 mono_mb_emit_byte (mb, CEE_STIND_I);
6075 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
6076 if (conv_to_icall (conv) == mono_marshal_string_to_utf16)
6077 /* We need to make a copy so the caller is able to free it */
6078 mono_mb_emit_icall (mb, mono_marshal_string_to_utf16_copy);
6080 mono_mb_emit_icall (mb, conv_to_icall (conv));
6081 mono_mb_emit_stloc (mb, 3);
6085 g_assert_not_reached ();
6092 emit_marshal_safehandle (EmitMarshalContext *m, int argnum, MonoType *t,
6093 MonoMarshalSpec *spec, int conv_arg,
6094 MonoType **conv_arg_type, MarshalAction action)
6096 MonoMethodBuilder *mb = m->mb;
6099 case MARSHAL_ACTION_CONV_IN: {
6100 MonoType *intptr_type;
6101 int dar_release_slot, pos;
6103 intptr_type = &mono_defaults.int_class->byval_arg;
6104 conv_arg = mono_mb_add_local (mb, intptr_type);
6105 *conv_arg_type = intptr_type;
6107 if (!sh_dangerous_add_ref)
6108 init_safe_handle ();
6110 mono_mb_emit_ldarg (mb, argnum);
6111 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
6112 mono_mb_emit_exception (mb, "ArgumentNullException", NULL);
6114 mono_mb_patch_branch (mb, pos);
6117 * My tests in show that ref SafeHandles are not really
6118 * passed as ref objects. Instead a NULL is passed as the
6121 mono_mb_emit_icon (mb, 0);
6122 mono_mb_emit_stloc (mb, conv_arg);
6126 /* Create local to hold the ref parameter to DangerousAddRef */
6127 dar_release_slot = mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
6129 /* set release = false; */
6130 mono_mb_emit_icon (mb, 0);
6131 mono_mb_emit_stloc (mb, dar_release_slot);
6133 /* safehandle.DangerousAddRef (ref release) */
6134 mono_mb_emit_ldarg (mb, argnum);
6135 mono_mb_emit_ldloc_addr (mb, dar_release_slot);
6136 mono_mb_emit_managed_call (mb, sh_dangerous_add_ref, NULL);
6138 /* Pull the handle field from SafeHandle */
6139 mono_mb_emit_ldarg (mb, argnum);
6140 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoSafeHandle, handle));
6141 mono_mb_emit_byte (mb, CEE_LDIND_I);
6142 mono_mb_emit_stloc (mb, conv_arg);
6147 case MARSHAL_ACTION_PUSH:
6149 mono_mb_emit_ldloc_addr (mb, conv_arg);
6151 mono_mb_emit_ldloc (mb, conv_arg);
6154 case MARSHAL_ACTION_CONV_OUT: {
6155 /* The slot for the boolean is the next temporary created after conv_arg, see the CONV_IN code */
6156 int dar_release_slot = conv_arg + 1;
6159 if (!sh_dangerous_release)
6160 init_safe_handle ();
6166 * My tests indicate that ref SafeHandles parameters are not actually
6167 * passed by ref, but instead a new Handle is created regardless of
6168 * whether a change happens in the unmanaged side.
6170 * Also, the Handle is created before calling into unmanaged code,
6171 * but we do not support that mechanism (getting to the original
6172 * handle) and it makes no difference where we create this
6174 ctor = mono_class_get_method_from_name (t->data.klass, ".ctor", 0);
6176 mono_mb_emit_exception (mb, "MissingMethodException", "paramterless constructor required");
6179 /* refval = new SafeHandleDerived ()*/
6180 mono_mb_emit_ldarg (mb, argnum);
6181 mono_mb_emit_op (mb, CEE_NEWOBJ, ctor);
6182 mono_mb_emit_byte (mb, CEE_STIND_REF);
6184 /* refval.handle = returned_handle */
6185 mono_mb_emit_ldarg (mb, argnum);
6186 mono_mb_emit_byte (mb, CEE_LDIND_REF);
6187 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoSafeHandle, handle));
6188 mono_mb_emit_ldloc (mb, conv_arg);
6189 mono_mb_emit_byte (mb, CEE_STIND_I);
6191 mono_mb_emit_ldloc (mb, dar_release_slot);
6192 label_next = mono_mb_emit_branch (mb, CEE_BRFALSE);
6193 mono_mb_emit_ldarg (mb, argnum);
6194 mono_mb_emit_managed_call (mb, sh_dangerous_release, NULL);
6195 mono_mb_patch_branch (mb, label_next);
6200 case MARSHAL_ACTION_CONV_RESULT: {
6201 MonoMethod *ctor = NULL;
6202 int intptr_handle_slot;
6204 if (t->data.klass->flags & TYPE_ATTRIBUTE_ABSTRACT){
6205 mono_mb_emit_byte (mb, CEE_POP);
6206 mono_mb_emit_exception_marshal_directive (mb, "Returned SafeHandles should not be abstract");
6210 ctor = mono_class_get_method_from_name (t->data.klass, ".ctor", 0);
6212 mono_mb_emit_byte (mb, CEE_POP);
6213 mono_mb_emit_exception (mb, "MissingMethodException", "paramterless constructor required");
6216 /* Store the IntPtr results into a local */
6217 intptr_handle_slot = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6218 mono_mb_emit_stloc (mb, intptr_handle_slot);
6220 /* Create return value */
6221 mono_mb_emit_op (mb, CEE_NEWOBJ, ctor);
6222 mono_mb_emit_stloc (mb, 3);
6224 /* Set the return.handle to the value, am using ldflda, not sure if thats a good idea */
6225 mono_mb_emit_ldloc (mb, 3);
6226 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoSafeHandle, handle));
6227 mono_mb_emit_ldloc (mb, intptr_handle_slot);
6228 mono_mb_emit_byte (mb, CEE_STIND_I);
6232 case MARSHAL_ACTION_MANAGED_CONV_IN:
6233 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_IN\n");
6236 case MARSHAL_ACTION_MANAGED_CONV_OUT:
6237 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_OUT\n");
6240 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
6241 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_RESULT\n");
6244 printf ("Unhandled case for MarshalAction: %d\n", action);
6251 emit_marshal_handleref (EmitMarshalContext *m, int argnum, MonoType *t,
6252 MonoMarshalSpec *spec, int conv_arg,
6253 MonoType **conv_arg_type, MarshalAction action)
6255 MonoMethodBuilder *mb = m->mb;
6258 case MARSHAL_ACTION_CONV_IN: {
6259 MonoType *intptr_type;
6261 intptr_type = &mono_defaults.int_class->byval_arg;
6262 conv_arg = mono_mb_add_local (mb, intptr_type);
6263 *conv_arg_type = intptr_type;
6266 mono_mb_emit_exception_marshal_directive (mb,
6267 "HandleRefs can not be returned from unmanaged code (or passed by ref)");
6270 mono_mb_emit_ldarg_addr (mb, argnum);
6271 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoHandleRef, handle));
6272 mono_mb_emit_byte (mb, CEE_ADD);
6273 mono_mb_emit_byte (mb, CEE_LDIND_I);
6274 mono_mb_emit_stloc (mb, conv_arg);
6278 case MARSHAL_ACTION_PUSH:
6279 mono_mb_emit_ldloc (mb, conv_arg);
6282 case MARSHAL_ACTION_CONV_OUT: {
6283 /* no resource release required */
6287 case MARSHAL_ACTION_CONV_RESULT: {
6288 mono_mb_emit_exception_marshal_directive (mb,
6289 "HandleRefs can not be returned from unmanaged code (or passed by ref)");
6293 case MARSHAL_ACTION_MANAGED_CONV_IN:
6294 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_IN\n");
6297 case MARSHAL_ACTION_MANAGED_CONV_OUT:
6298 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_OUT\n");
6301 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
6302 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_RESULT\n");
6305 fprintf (stderr, "Unhandled case for MarshalAction: %d\n", action);
6312 emit_marshal_object (EmitMarshalContext *m, int argnum, MonoType *t,
6313 MonoMarshalSpec *spec,
6314 int conv_arg, MonoType **conv_arg_type,
6315 MarshalAction action)
6317 MonoMethodBuilder *mb = m->mb;
6318 MonoClass *klass = mono_class_from_mono_type (t);
6322 case MARSHAL_ACTION_CONV_IN:
6323 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6324 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6326 m->orig_conv_args [argnum] = 0;
6328 if (mono_class_from_mono_type (t) == mono_defaults.object_class) {
6329 char *msg = g_strdup_printf ("Marshalling of type object is not implemented");
6330 mono_mb_emit_exception_marshal_directive (mb, msg);
6334 if (klass->delegate) {
6336 if (!(t->attrs & PARAM_ATTRIBUTE_OUT)) {
6337 char *msg = g_strdup_printf ("Byref marshalling of delegates is not implemented.");
6338 mono_mb_emit_exception_marshal_directive (mb, msg);
6340 mono_mb_emit_byte (mb, CEE_LDNULL);
6341 mono_mb_emit_stloc (mb, conv_arg);
6343 mono_mb_emit_ldarg (mb, argnum);
6344 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_DEL_FTN));
6345 mono_mb_emit_stloc (mb, conv_arg);
6347 } else if (klass == mono_defaults.stringbuilder_class) {
6348 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
6349 MonoMarshalConv conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
6352 if (!(t->attrs & PARAM_ATTRIBUTE_OUT)) {
6353 char *msg = g_strdup_printf ("Byref marshalling of stringbuilders is not implemented.");
6354 mono_mb_emit_exception_marshal_directive (mb, msg);
6359 mono_mb_emit_ldarg (mb, argnum);
6362 mono_mb_emit_icall (mb, conv_to_icall (conv));
6364 char *msg = g_strdup_printf ("stringbuilder marshalling conversion %d not implemented", encoding);
6365 MonoException *exc = mono_get_exception_not_implemented (msg);
6366 g_warning ("%s", msg);
6368 mono_raise_exception (exc);
6371 mono_mb_emit_stloc (mb, conv_arg);
6372 } else if (klass->blittable) {
6373 mono_mb_emit_byte (mb, CEE_LDNULL);
6374 mono_mb_emit_stloc (mb, conv_arg);
6376 mono_mb_emit_ldarg (mb, argnum);
6377 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6379 mono_mb_emit_ldarg (mb, argnum);
6380 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6381 mono_mb_emit_stloc (mb, conv_arg);
6383 mono_mb_patch_branch (mb, pos);
6386 mono_mb_emit_byte (mb, CEE_LDNULL);
6387 mono_mb_emit_stloc (mb, conv_arg);
6390 /* we dont need any conversions for out parameters */
6391 if (t->attrs & PARAM_ATTRIBUTE_OUT)
6394 mono_mb_emit_ldarg (mb, argnum);
6395 mono_mb_emit_byte (mb, CEE_LDIND_I);
6398 mono_mb_emit_ldarg (mb, argnum);
6399 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6400 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
6403 /* store the address of the source into local variable 0 */
6404 mono_mb_emit_stloc (mb, 0);
6405 mono_mb_emit_ldloc (mb, 0);
6406 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6408 /* allocate space for the native struct and store the address */
6409 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
6410 mono_mb_emit_byte (mb, CEE_PREFIX1);
6411 mono_mb_emit_byte (mb, CEE_LOCALLOC);
6412 mono_mb_emit_stloc (mb, conv_arg);
6415 /* Need to store the original buffer so we can free it later */
6416 m->orig_conv_args [argnum] = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6417 mono_mb_emit_ldloc (mb, conv_arg);
6418 mono_mb_emit_stloc (mb, m->orig_conv_args [argnum]);
6421 /* set the src_ptr */
6422 mono_mb_emit_ldloc (mb, 0);
6423 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6424 mono_mb_emit_stloc (mb, 0);
6427 mono_mb_emit_ldloc (mb, conv_arg);
6428 mono_mb_emit_stloc (mb, 1);
6430 /* emit valuetype conversion code */
6431 emit_struct_conv (mb, klass, FALSE);
6433 mono_mb_patch_branch (mb, pos);
6437 case MARSHAL_ACTION_CONV_OUT:
6438 if (klass == mono_defaults.stringbuilder_class) {
6440 MonoMarshalNative encoding;
6441 MonoMarshalConv conv;
6443 encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
6444 conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free);
6446 g_assert (encoding != -1);
6449 g_assert ((t->attrs & PARAM_ATTRIBUTE_OUT));
6453 mono_mb_emit_ldarg (mb, argnum);
6454 mono_mb_emit_ldloc (mb, conv_arg);
6457 case MONO_NATIVE_LPWSTR:
6458 mono_mb_emit_icall (mb, mono_string_utf16_to_builder2);
6460 case MONO_NATIVE_LPSTR:
6461 mono_mb_emit_icall (mb, mono_string_utf8_to_builder2);
6464 g_assert_not_reached ();
6467 mono_mb_emit_byte (mb, CEE_STIND_REF);
6469 mono_mb_emit_ldarg (mb, argnum);
6470 mono_mb_emit_ldloc (mb, conv_arg);
6472 mono_mb_emit_icall (mb, conv_to_icall (conv));
6476 mono_mb_emit_ldloc (mb, conv_arg);
6477 mono_mb_emit_icall (mb, mono_marshal_free);
6482 if (klass->delegate) {
6484 mono_mb_emit_ldarg (mb, argnum);
6485 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6486 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
6487 mono_mb_emit_ldloc (mb, conv_arg);
6488 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_FTN_DEL));
6489 mono_mb_emit_byte (mb, CEE_STIND_REF);
6494 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT)) {
6495 /* allocate a new object */
6496 mono_mb_emit_ldarg (mb, argnum);
6497 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6498 mono_mb_emit_op (mb, CEE_MONO_NEWOBJ, klass);
6499 mono_mb_emit_byte (mb, CEE_STIND_REF);
6502 /* dst = *argument */
6503 mono_mb_emit_ldarg (mb, argnum);
6506 mono_mb_emit_byte (mb, CEE_LDIND_I);
6508 mono_mb_emit_stloc (mb, 1);
6510 mono_mb_emit_ldloc (mb, 1);
6511 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6513 if (t->byref || (t->attrs & PARAM_ATTRIBUTE_OUT)) {
6514 mono_mb_emit_ldloc (mb, 1);
6515 mono_mb_emit_icon (mb, sizeof (MonoObject));
6516 mono_mb_emit_byte (mb, CEE_ADD);
6517 mono_mb_emit_stloc (mb, 1);
6519 /* src = tmp_locals [i] */
6520 mono_mb_emit_ldloc (mb, conv_arg);
6521 mono_mb_emit_stloc (mb, 0);
6523 /* emit valuetype conversion code */
6524 emit_struct_conv (mb, klass, TRUE);
6526 /* Free the structure returned by the native code */
6527 emit_struct_free (mb, klass, conv_arg);
6529 if (m->orig_conv_args [argnum]) {
6531 * If the native function changed the pointer, then free
6532 * the original structure plus the new pointer.
6534 mono_mb_emit_ldloc (mb, m->orig_conv_args [argnum]);
6535 mono_mb_emit_ldloc (mb, conv_arg);
6536 pos2 = mono_mb_emit_branch (mb, CEE_BEQ);
6538 if (!(t->attrs & PARAM_ATTRIBUTE_OUT)) {
6539 g_assert (m->orig_conv_args [argnum]);
6541 emit_struct_free (mb, klass, m->orig_conv_args [argnum]);
6544 mono_mb_emit_ldloc (mb, conv_arg);
6545 mono_mb_emit_icall (mb, g_free);
6547 mono_mb_patch_branch (mb, pos2);
6551 /* Free the original structure passed to native code */
6552 emit_struct_free (mb, klass, conv_arg);
6554 mono_mb_patch_branch (mb, pos);
6557 case MARSHAL_ACTION_PUSH:
6559 mono_mb_emit_ldloc_addr (mb, conv_arg);
6561 mono_mb_emit_ldloc (mb, conv_arg);
6564 case MARSHAL_ACTION_CONV_RESULT:
6565 if (klass->delegate) {
6566 g_assert (!t->byref);
6567 mono_mb_emit_stloc (mb, 0);
6568 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6569 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
6570 mono_mb_emit_ldloc (mb, 0);
6571 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_FTN_DEL));
6572 mono_mb_emit_stloc (mb, 3);
6575 mono_mb_emit_stloc (mb, 0);
6577 /* Make a copy since emit_conv modifies local 0 */
6578 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6579 mono_mb_emit_ldloc (mb, 0);
6580 mono_mb_emit_stloc (mb, loc);
6582 mono_mb_emit_byte (mb, CEE_LDNULL);
6583 mono_mb_emit_stloc (mb, 3);
6585 mono_mb_emit_ldloc (mb, 0);
6586 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6588 /* allocate result object */
6590 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6591 mono_mb_emit_op (mb, CEE_MONO_NEWOBJ, klass);
6592 mono_mb_emit_stloc (mb, 3);
6596 mono_mb_emit_ldloc (mb, 3);
6597 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6598 mono_mb_emit_stloc (mb, 1);
6600 /* emit conversion code */
6601 emit_struct_conv (mb, klass, TRUE);
6603 emit_struct_free (mb, klass, loc);
6605 /* Free the pointer allocated by unmanaged code */
6606 mono_mb_emit_ldloc (mb, loc);
6607 mono_mb_emit_icall (mb, g_free);
6608 mono_mb_patch_branch (mb, pos);
6612 case MARSHAL_ACTION_MANAGED_CONV_IN:
6613 conv_arg = mono_mb_add_local (mb, &klass->byval_arg);
6615 if (klass->delegate) {
6616 g_assert (!t->byref);
6617 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6618 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
6619 mono_mb_emit_ldarg (mb, argnum);
6620 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_FTN_DEL));
6621 mono_mb_emit_stloc (mb, conv_arg);
6625 if (klass == mono_defaults.stringbuilder_class) {
6626 MonoMarshalNative encoding;
6628 encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
6631 g_assert (encoding == MONO_NATIVE_LPSTR);
6633 g_assert (!t->byref);
6634 g_assert (encoding != -1);
6636 mono_mb_emit_ldarg (mb, argnum);
6637 mono_mb_emit_icall (mb, mono_string_utf8_to_builder2);
6638 mono_mb_emit_stloc (mb, conv_arg);
6642 /* The class can not have an automatic layout */
6643 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
6644 mono_mb_emit_auto_layout_exception (mb, klass);
6648 if (t->attrs & PARAM_ATTRIBUTE_OUT) {
6649 mono_mb_emit_byte (mb, CEE_LDNULL);
6650 mono_mb_emit_stloc (mb, conv_arg);
6655 mono_mb_emit_ldarg (mb, argnum);
6659 /* Check for NULL and raise an exception */
6660 pos2 = mono_mb_emit_branch (mb, CEE_BRTRUE);
6662 mono_mb_emit_exception (mb, "ArgumentNullException", NULL);
6664 mono_mb_patch_branch (mb, pos2);
6665 mono_mb_emit_ldarg (mb, argnum);
6666 mono_mb_emit_byte (mb, CEE_LDIND_I);
6669 mono_mb_emit_stloc (mb, 0);
6671 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
6672 mono_mb_emit_stloc (mb, conv_arg);
6674 mono_mb_emit_ldloc (mb, 0);
6675 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6677 /* Create and set dst */
6678 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6679 mono_mb_emit_op (mb, CEE_MONO_NEWOBJ, klass);
6680 mono_mb_emit_stloc (mb, conv_arg);
6681 mono_mb_emit_ldloc (mb, conv_arg);
6682 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6683 mono_mb_emit_stloc (mb, 1);
6685 /* emit valuetype conversion code */
6686 emit_struct_conv (mb, klass, TRUE);
6688 mono_mb_patch_branch (mb, pos);
6691 case MARSHAL_ACTION_MANAGED_CONV_OUT:
6693 /* Check for null */
6694 mono_mb_emit_ldloc (mb, conv_arg);
6695 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
6696 mono_mb_emit_ldarg (mb, argnum);
6697 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
6698 mono_mb_emit_byte (mb, CEE_STIND_REF);
6699 pos2 = mono_mb_emit_branch (mb, CEE_BR);
6701 mono_mb_patch_branch (mb, pos);
6704 mono_mb_emit_ldloc (mb, conv_arg);
6705 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6706 mono_mb_emit_stloc (mb, 0);
6708 /* Allocate and set dest */
6709 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
6710 mono_mb_emit_byte (mb, CEE_CONV_I);
6711 mono_mb_emit_icall (mb, mono_marshal_alloc);
6712 mono_mb_emit_stloc (mb, 1);
6714 /* Update argument pointer */
6715 mono_mb_emit_ldarg (mb, argnum);
6716 mono_mb_emit_ldloc (mb, 1);
6717 mono_mb_emit_byte (mb, CEE_STIND_I);
6719 /* emit valuetype conversion code */
6720 emit_struct_conv (mb, klass, FALSE);
6722 mono_mb_patch_branch (mb, pos2);
6724 /* byval [Out] marshalling */
6726 /* FIXME: Handle null */
6729 mono_mb_emit_ldloc (mb, conv_arg);
6730 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6731 mono_mb_emit_stloc (mb, 0);
6734 mono_mb_emit_ldarg (mb, argnum);
6735 mono_mb_emit_stloc (mb, 1);
6737 /* emit valuetype conversion code */
6738 emit_struct_conv (mb, klass, FALSE);
6742 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
6743 if (klass->delegate) {
6744 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_DEL_FTN));
6745 mono_mb_emit_stloc (mb, 3);
6749 /* The class can not have an automatic layout */
6750 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
6751 mono_mb_emit_auto_layout_exception (mb, klass);
6755 mono_mb_emit_stloc (mb, 0);
6756 /* Check for null */
6757 mono_mb_emit_ldloc (mb, 0);
6758 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
6759 mono_mb_emit_byte (mb, CEE_LDNULL);
6760 mono_mb_emit_stloc (mb, 3);
6761 pos2 = mono_mb_emit_branch (mb, CEE_BR);
6763 mono_mb_patch_branch (mb, pos);
6766 mono_mb_emit_ldloc (mb, 0);
6767 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6768 mono_mb_emit_stloc (mb, 0);
6770 /* Allocate and set dest */
6771 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
6772 mono_mb_emit_byte (mb, CEE_CONV_I);
6773 mono_mb_emit_icall (mb, mono_marshal_alloc);
6774 mono_mb_emit_byte (mb, CEE_DUP);
6775 mono_mb_emit_stloc (mb, 1);
6776 mono_mb_emit_stloc (mb, 3);
6778 emit_struct_conv (mb, klass, FALSE);
6780 mono_mb_patch_branch (mb, pos2);
6784 g_assert_not_reached ();
6791 emit_marshal_variant (EmitMarshalContext *m, int argnum, MonoType *t,
6792 MonoMarshalSpec *spec,
6793 int conv_arg, MonoType **conv_arg_type,
6794 MarshalAction action)
6796 MonoMethodBuilder *mb = m->mb;
6797 static MonoMethod *get_object_for_native_variant = NULL;
6798 static MonoMethod *get_native_variant_for_object = NULL;
6800 mono_init_com_types ();
6802 if (!get_object_for_native_variant)
6803 get_object_for_native_variant = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetObjectForNativeVariant", 1);
6804 g_assert (get_object_for_native_variant);
6806 if (!get_native_variant_for_object)
6807 get_native_variant_for_object = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetNativeVariantForObject", 2);
6808 g_assert (get_native_variant_for_object);
6811 case MARSHAL_ACTION_CONV_IN: {
6812 conv_arg = mono_mb_add_local (mb, &mono_defaults.variant_class->byval_arg);
6815 *conv_arg_type = &mono_defaults.variant_class->this_arg;
6817 *conv_arg_type = &mono_defaults.variant_class->byval_arg;
6819 if (t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && t->attrs & PARAM_ATTRIBUTE_OUT)
6822 mono_mb_emit_ldarg (mb, argnum);
6824 mono_mb_emit_byte(mb, CEE_LDIND_REF);
6825 mono_mb_emit_ldloc_addr (mb, conv_arg);
6826 mono_mb_emit_managed_call (mb, get_native_variant_for_object, NULL);
6830 case MARSHAL_ACTION_CONV_OUT: {
6831 static MonoMethod *variant_clear = NULL;
6834 variant_clear = mono_class_get_method_from_name (mono_defaults.variant_class, "Clear", 0);
6835 g_assert (variant_clear);
6838 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT || !(t->attrs & PARAM_ATTRIBUTE_IN))) {
6839 mono_mb_emit_ldarg (mb, argnum);
6840 mono_mb_emit_ldloc_addr (mb, conv_arg);
6841 mono_mb_emit_managed_call (mb, get_object_for_native_variant, NULL);
6842 mono_mb_emit_byte (mb, CEE_STIND_REF);
6845 mono_mb_emit_ldloc_addr (mb, conv_arg);
6846 mono_mb_emit_managed_call (mb, variant_clear, NULL);
6850 case MARSHAL_ACTION_PUSH:
6852 mono_mb_emit_ldloc_addr (mb, conv_arg);
6854 mono_mb_emit_ldloc (mb, conv_arg);
6857 case MARSHAL_ACTION_CONV_RESULT: {
6858 char *msg = g_strdup ("Marshalling of VARIANT not supported as a return type.");
6859 mono_mb_emit_exception_marshal_directive (mb, msg);
6863 case MARSHAL_ACTION_MANAGED_CONV_IN: {
6864 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
6867 *conv_arg_type = &mono_defaults.variant_class->this_arg;
6869 *conv_arg_type = &mono_defaults.variant_class->byval_arg;
6871 if (t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && t->attrs & PARAM_ATTRIBUTE_OUT)
6875 mono_mb_emit_ldarg (mb, argnum);
6877 mono_mb_emit_ldarg_addr (mb, argnum);
6878 mono_mb_emit_managed_call (mb, get_object_for_native_variant, NULL);
6879 mono_mb_emit_stloc (mb, conv_arg);
6883 case MARSHAL_ACTION_MANAGED_CONV_OUT: {
6884 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT || !(t->attrs & PARAM_ATTRIBUTE_IN))) {
6885 mono_mb_emit_ldloc (mb, conv_arg);
6886 mono_mb_emit_ldarg (mb, argnum);
6887 mono_mb_emit_managed_call (mb, get_native_variant_for_object, NULL);
6892 case MARSHAL_ACTION_MANAGED_CONV_RESULT: {
6893 char *msg = g_strdup ("Marshalling of VARIANT not supported as a return type.");
6894 mono_mb_emit_exception_marshal_directive (mb, msg);
6899 g_assert_not_reached ();
6906 mono_pinvoke_is_unicode (MonoMethodPInvoke *piinfo)
6908 switch (piinfo->piflags & PINVOKE_ATTRIBUTE_CHAR_SET_MASK) {
6909 case PINVOKE_ATTRIBUTE_CHAR_SET_ANSI:
6911 case PINVOKE_ATTRIBUTE_CHAR_SET_UNICODE:
6913 case PINVOKE_ATTRIBUTE_CHAR_SET_AUTO:
6925 emit_marshal_array (EmitMarshalContext *m, int argnum, MonoType *t,
6926 MonoMarshalSpec *spec,
6927 int conv_arg, MonoType **conv_arg_type,
6928 MarshalAction action)
6930 MonoMethodBuilder *mb = m->mb;
6931 MonoClass *klass = mono_class_from_mono_type (t);
6932 gboolean need_convert, need_free;
6933 MonoMarshalNative encoding;
6935 encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
6938 case MARSHAL_ACTION_CONV_IN:
6939 *conv_arg_type = &mono_defaults.object_class->byval_arg;
6940 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
6942 if (klass->element_class->blittable) {
6943 mono_mb_emit_ldarg (mb, argnum);
6945 mono_mb_emit_byte (mb, CEE_LDIND_I);
6946 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_ARRAY_LPARRAY));
6947 mono_mb_emit_stloc (mb, conv_arg);
6950 guint32 label1, label2, label3;
6951 int index_var, src_var, dest_ptr, esize;
6952 MonoMarshalConv conv;
6953 gboolean is_string = FALSE;
6955 dest_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6957 eklass = klass->element_class;
6959 if (eklass == mono_defaults.string_class) {
6961 conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
6963 else if (eklass == mono_defaults.stringbuilder_class) {
6965 conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
6970 src_var = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
6971 mono_mb_emit_ldarg (mb, argnum);
6973 mono_mb_emit_byte (mb, CEE_LDIND_I);
6974 mono_mb_emit_stloc (mb, src_var);
6977 mono_mb_emit_ldloc (mb, src_var);
6978 mono_mb_emit_stloc (mb, conv_arg);
6979 mono_mb_emit_ldloc (mb, src_var);
6980 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6984 char *msg = g_strdup_printf ("string/stringbuilder marshalling conversion %d not implemented", encoding);
6985 MonoException *exc = mono_get_exception_not_implemented (msg);
6986 g_warning ("%s", msg);
6988 mono_raise_exception (exc);
6993 esize = sizeof (gpointer);
6994 else if (eklass == mono_defaults.char_class) /*can't call mono_marshal_type_size since it causes all sorts of asserts*/
6995 esize = mono_pinvoke_is_unicode (m->piinfo) ? 2 : 1;
6997 esize = mono_class_native_size (eklass, NULL);
6999 /* allocate space for the native struct and store the address */
7000 mono_mb_emit_icon (mb, esize);
7001 mono_mb_emit_ldloc (mb, src_var);
7002 mono_mb_emit_byte (mb, CEE_LDLEN);
7004 if (eklass == mono_defaults.string_class) {
7005 /* Make the array bigger for the terminating null */
7006 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
7007 mono_mb_emit_byte (mb, CEE_ADD);
7009 mono_mb_emit_byte (mb, CEE_MUL);
7010 mono_mb_emit_byte (mb, CEE_PREFIX1);
7011 mono_mb_emit_byte (mb, CEE_LOCALLOC);
7012 mono_mb_emit_stloc (mb, conv_arg);
7014 mono_mb_emit_ldloc (mb, conv_arg);
7015 mono_mb_emit_stloc (mb, dest_ptr);
7017 /* Emit marshalling loop */
7018 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7019 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7020 mono_mb_emit_stloc (mb, index_var);
7021 label2 = mono_mb_get_label (mb);
7022 mono_mb_emit_ldloc (mb, index_var);
7023 mono_mb_emit_ldloc (mb, src_var);
7024 mono_mb_emit_byte (mb, CEE_LDLEN);
7025 label3 = mono_mb_emit_branch (mb, CEE_BGE);
7027 /* Emit marshalling code */
7030 mono_mb_emit_ldloc (mb, dest_ptr);
7031 mono_mb_emit_ldloc (mb, src_var);
7032 mono_mb_emit_ldloc (mb, index_var);
7033 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
7034 mono_mb_emit_icall (mb, conv_to_icall (conv));
7035 mono_mb_emit_byte (mb, CEE_STIND_I);
7037 /* set the src_ptr */
7038 mono_mb_emit_ldloc (mb, src_var);
7039 mono_mb_emit_ldloc (mb, index_var);
7040 mono_mb_emit_op (mb, CEE_LDELEMA, eklass);
7041 mono_mb_emit_stloc (mb, 0);
7044 mono_mb_emit_ldloc (mb, dest_ptr);
7045 mono_mb_emit_stloc (mb, 1);
7047 /* emit valuetype conversion code */
7048 emit_struct_conv (mb, eklass, FALSE);
7051 mono_mb_emit_add_to_local (mb, index_var, 1);
7052 mono_mb_emit_add_to_local (mb, dest_ptr, esize);
7054 mono_mb_emit_branch_label (mb, CEE_BR, label2);
7056 mono_mb_patch_branch (mb, label3);
7058 if (eklass == mono_defaults.string_class) {
7059 /* Null terminate */
7060 mono_mb_emit_ldloc (mb, dest_ptr);
7061 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7062 mono_mb_emit_byte (mb, CEE_STIND_REF);
7065 mono_mb_patch_branch (mb, label1);
7070 case MARSHAL_ACTION_CONV_OUT:
7071 /* Unicode character arrays are implicitly marshalled as [Out] under MS.NET */
7072 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);
7073 need_free = mono_marshal_need_free (&klass->element_class->byval_arg,
7076 if (need_convert || need_free) {
7077 /* FIXME: Optimize blittable case */
7079 guint32 label1, label2, label3;
7080 int index_var, src_ptr, loc, esize;
7082 eklass = klass->element_class;
7083 if ((eklass == mono_defaults.stringbuilder_class) || (eklass == mono_defaults.string_class))
7084 esize = sizeof (gpointer);
7085 else if (eklass == mono_defaults.char_class)
7086 esize = mono_pinvoke_is_unicode (m->piinfo) ? 2 : 1;
7088 esize = mono_class_native_size (eklass, NULL);
7089 src_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7090 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7093 mono_mb_emit_ldarg (mb, argnum);
7095 mono_mb_emit_byte (mb, CEE_LDIND_I);
7096 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
7098 mono_mb_emit_ldloc (mb, conv_arg);
7099 mono_mb_emit_stloc (mb, src_ptr);
7101 /* Emit marshalling loop */
7102 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7103 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7104 mono_mb_emit_stloc (mb, index_var);
7105 label2 = mono_mb_get_label (mb);
7106 mono_mb_emit_ldloc (mb, index_var);
7107 mono_mb_emit_ldarg (mb, argnum);
7109 mono_mb_emit_byte (mb, CEE_LDIND_REF);
7110 mono_mb_emit_byte (mb, CEE_LDLEN);
7111 label3 = mono_mb_emit_branch (mb, CEE_BGE);
7113 /* Emit marshalling code */
7115 if (eklass == mono_defaults.stringbuilder_class) {
7116 gboolean need_free2;
7117 MonoMarshalConv conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free2);
7119 g_assert (conv != -1);
7122 mono_mb_emit_ldarg (mb, argnum);
7124 mono_mb_emit_byte (mb, CEE_LDIND_I);
7125 mono_mb_emit_ldloc (mb, index_var);
7126 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
7129 mono_mb_emit_ldloc (mb, src_ptr);
7130 mono_mb_emit_byte (mb, CEE_LDIND_I);
7132 mono_mb_emit_icall (mb, conv_to_icall (conv));
7136 mono_mb_emit_ldloc (mb, src_ptr);
7137 mono_mb_emit_byte (mb, CEE_LDIND_I);
7139 mono_mb_emit_icall (mb, mono_marshal_free);
7142 else if (eklass == mono_defaults.string_class) {
7145 mono_mb_emit_ldloc (mb, src_ptr);
7146 mono_mb_emit_byte (mb, CEE_LDIND_I);
7148 mono_mb_emit_icall (mb, mono_marshal_free);
7153 /* set the src_ptr */
7154 mono_mb_emit_ldloc (mb, src_ptr);
7155 mono_mb_emit_stloc (mb, 0);
7158 mono_mb_emit_ldarg (mb, argnum);
7160 mono_mb_emit_byte (mb, CEE_LDIND_REF);
7161 mono_mb_emit_ldloc (mb, index_var);
7162 mono_mb_emit_op (mb, CEE_LDELEMA, eklass);
7163 mono_mb_emit_stloc (mb, 1);
7165 /* emit valuetype conversion code */
7166 emit_struct_conv (mb, eklass, TRUE);
7170 mono_mb_emit_ldloc (mb, src_ptr);
7171 mono_mb_emit_stloc (mb, loc);
7172 mono_mb_emit_ldloc (mb, loc);
7174 emit_struct_free (mb, eklass, loc);
7178 mono_mb_emit_add_to_local (mb, index_var, 1);
7179 mono_mb_emit_add_to_local (mb, src_ptr, esize);
7181 mono_mb_emit_branch_label (mb, CEE_BR, label2);
7183 mono_mb_patch_branch (mb, label1);
7184 mono_mb_patch_branch (mb, label3);
7187 if (klass->element_class->blittable) {
7188 /* free memory allocated (if any) by MONO_MARSHAL_CONV_ARRAY_LPARRAY */
7190 mono_mb_emit_ldarg (mb, argnum);
7191 mono_mb_emit_ldloc (mb, conv_arg);
7192 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_FREE_LPARRAY));
7197 case MARSHAL_ACTION_PUSH:
7199 mono_mb_emit_ldloc_addr (mb, conv_arg);
7201 mono_mb_emit_ldloc (mb, conv_arg);
7204 case MARSHAL_ACTION_CONV_RESULT:
7205 /* fixme: we need conversions here */
7206 mono_mb_emit_stloc (mb, 3);
7209 case MARSHAL_ACTION_MANAGED_CONV_IN: {
7211 guint32 label1, label2, label3;
7212 int index_var, src_ptr, loc, esize, param_num, num_elem;
7213 MonoMarshalConv conv;
7214 gboolean is_string = FALSE;
7216 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
7217 *conv_arg_type = &mono_defaults.int_class->byval_arg;
7220 char *msg = g_strdup ("Byref array marshalling to managed code is not implemented.");
7221 mono_mb_emit_exception_marshal_directive (mb, msg);
7225 char *msg = g_strdup ("[MarshalAs] attribute required to marshal arrays to managed code.");
7226 mono_mb_emit_exception_marshal_directive (mb, msg);
7229 if (spec->native != MONO_NATIVE_LPARRAY) {
7230 char *msg = g_strdup ("Non LPArray marshalling of arrays to managed code is not implemented.");
7231 mono_mb_emit_exception_marshal_directive (mb, msg);
7235 /* FIXME: t is from the method which is wrapped, not the delegate type */
7236 /* g_assert (t->attrs & PARAM_ATTRIBUTE_IN); */
7238 param_num = spec->data.array_data.param_num;
7239 num_elem = spec->data.array_data.num_elem;
7240 if (spec->data.array_data.elem_mult == 0)
7241 /* param_num is not specified */
7244 if (param_num == -1) {
7245 if (num_elem <= 0) {
7246 char *msg = g_strdup ("Either SizeConst or SizeParamIndex should be specified when marshalling arrays to managed code.");
7247 mono_mb_emit_exception_marshal_directive (mb, msg);
7252 /* FIXME: Optimize blittable case */
7254 eklass = klass->element_class;
7255 if (eklass == mono_defaults.string_class) {
7257 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
7259 else if (eklass == mono_defaults.stringbuilder_class) {
7261 conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free);
7266 mono_marshal_load_type_info (eklass);
7269 esize = sizeof (gpointer);
7271 esize = mono_class_native_size (eklass, NULL);
7272 src_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7273 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7275 mono_mb_emit_byte (mb, CEE_LDNULL);
7276 mono_mb_emit_stloc (mb, conv_arg);
7278 /* Check param index */
7279 if (param_num != -1) {
7280 if (param_num >= m->sig->param_count) {
7281 char *msg = g_strdup ("Array size control parameter index is out of range.");
7282 mono_mb_emit_exception_marshal_directive (mb, msg);
7285 switch (m->sig->params [param_num]->type) {
7298 char *msg = g_strdup ("Array size control parameter must be an integral type.");
7299 mono_mb_emit_exception_marshal_directive (mb, msg);
7306 mono_mb_emit_ldarg (mb, argnum);
7307 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
7309 mono_mb_emit_ldarg (mb, argnum);
7310 mono_mb_emit_stloc (mb, src_ptr);
7312 /* Create managed array */
7314 * The LPArray marshalling spec says that sometimes param_num starts
7315 * from 1, sometimes it starts from 0. But MS seems to allways start
7319 if (param_num == -1) {
7320 mono_mb_emit_icon (mb, num_elem);
7322 mono_mb_emit_ldarg (mb, param_num);
7324 mono_mb_emit_icon (mb, num_elem);
7325 mono_mb_emit_byte (mb, CEE_ADD);
7327 mono_mb_emit_byte (mb, CEE_CONV_OVF_I);
7330 mono_mb_emit_op (mb, CEE_NEWARR, eklass);
7331 mono_mb_emit_stloc (mb, conv_arg);
7333 if (eklass->blittable) {
7334 mono_mb_emit_ldloc (mb, conv_arg);
7335 mono_mb_emit_byte (mb, CEE_CONV_I);
7336 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArray, vector));
7337 mono_mb_emit_byte (mb, CEE_ADD);
7338 mono_mb_emit_ldarg (mb, argnum);
7339 mono_mb_emit_ldloc (mb, conv_arg);
7340 mono_mb_emit_byte (mb, CEE_LDLEN);
7341 mono_mb_emit_icon (mb, esize);
7342 mono_mb_emit_byte (mb, CEE_MUL);
7343 mono_mb_emit_byte (mb, CEE_PREFIX1);
7344 mono_mb_emit_byte (mb, CEE_CPBLK);
7348 /* Emit marshalling loop */
7349 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7350 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7351 mono_mb_emit_stloc (mb, index_var);
7352 label2 = mono_mb_get_label (mb);
7353 mono_mb_emit_ldloc (mb, index_var);
7354 mono_mb_emit_ldloc (mb, conv_arg);
7355 mono_mb_emit_byte (mb, CEE_LDLEN);
7356 label3 = mono_mb_emit_branch (mb, CEE_BGE);
7358 /* Emit marshalling code */
7360 g_assert (conv != -1);
7362 mono_mb_emit_ldloc (mb, conv_arg);
7363 mono_mb_emit_ldloc (mb, index_var);
7365 mono_mb_emit_ldloc (mb, src_ptr);
7366 mono_mb_emit_byte (mb, CEE_LDIND_I);
7368 mono_mb_emit_icall (mb, conv_to_icall (conv));
7369 mono_mb_emit_byte (mb, CEE_STELEM_REF);
7372 char *msg = g_strdup ("Marshalling of non-string and non-blittable arrays to managed code is not implemented.");
7373 mono_mb_emit_exception_marshal_directive (mb, msg);
7377 mono_mb_emit_add_to_local (mb, index_var, 1);
7378 mono_mb_emit_add_to_local (mb, src_ptr, esize);
7380 mono_mb_emit_branch_label (mb, CEE_BR, label2);
7382 mono_mb_patch_branch (mb, label1);
7383 mono_mb_patch_branch (mb, label3);
7387 case MARSHAL_ACTION_MANAGED_CONV_OUT: {
7389 guint32 label1, label2, label3;
7390 int index_var, dest_ptr, loc, esize, param_num, num_elem;
7391 MonoMarshalConv conv;
7392 gboolean is_string = FALSE;
7395 /* Already handled in CONV_IN */
7398 /* These are already checked in CONV_IN */
7399 g_assert (!t->byref);
7400 g_assert (spec->native == MONO_NATIVE_LPARRAY);
7401 g_assert (t->attrs & PARAM_ATTRIBUTE_OUT);
7403 param_num = spec->data.array_data.param_num;
7404 num_elem = spec->data.array_data.num_elem;
7406 if (spec->data.array_data.elem_mult == 0)
7407 /* param_num is not specified */
7410 if (param_num == -1) {
7411 if (num_elem <= 0) {
7412 g_assert_not_reached ();
7416 /* FIXME: Optimize blittable case */
7418 eklass = klass->element_class;
7419 if (eklass == mono_defaults.string_class) {
7421 conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
7423 else if (eklass == mono_defaults.stringbuilder_class) {
7425 conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
7430 mono_marshal_load_type_info (eklass);
7433 esize = sizeof (gpointer);
7435 esize = mono_class_native_size (eklass, NULL);
7437 dest_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7438 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7441 mono_mb_emit_ldloc (mb, conv_arg);
7442 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
7444 mono_mb_emit_ldarg (mb, argnum);
7445 mono_mb_emit_stloc (mb, dest_ptr);
7447 if (eklass->blittable) {
7449 mono_mb_emit_ldarg (mb, argnum);
7451 mono_mb_emit_ldloc (mb, conv_arg);
7452 mono_mb_emit_byte (mb, CEE_CONV_I);
7453 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArray, vector));
7454 mono_mb_emit_byte (mb, CEE_ADD);
7456 mono_mb_emit_ldloc (mb, conv_arg);
7457 mono_mb_emit_byte (mb, CEE_LDLEN);
7458 mono_mb_emit_icon (mb, esize);
7459 mono_mb_emit_byte (mb, CEE_MUL);
7460 mono_mb_emit_byte (mb, CEE_PREFIX1);
7461 mono_mb_emit_byte (mb, CEE_CPBLK);
7465 /* Emit marshalling loop */
7466 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7467 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7468 mono_mb_emit_stloc (mb, index_var);
7469 label2 = mono_mb_get_label (mb);
7470 mono_mb_emit_ldloc (mb, index_var);
7471 mono_mb_emit_ldloc (mb, conv_arg);
7472 mono_mb_emit_byte (mb, CEE_LDLEN);
7473 label3 = mono_mb_emit_branch (mb, CEE_BGE);
7475 /* Emit marshalling code */
7477 g_assert (conv != -1);
7480 mono_mb_emit_ldloc (mb, dest_ptr);
7483 mono_mb_emit_ldloc (mb, conv_arg);
7484 mono_mb_emit_ldloc (mb, index_var);
7486 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
7488 mono_mb_emit_icall (mb, conv_to_icall (conv));
7489 mono_mb_emit_byte (mb, CEE_STIND_I);
7492 char *msg = g_strdup ("Marshalling of non-string and non-blittable arrays to managed code is not implemented.");
7493 mono_mb_emit_exception_marshal_directive (mb, msg);
7497 mono_mb_emit_add_to_local (mb, index_var, 1);
7498 mono_mb_emit_add_to_local (mb, dest_ptr, esize);
7500 mono_mb_emit_branch_label (mb, CEE_BR, label2);
7502 mono_mb_patch_branch (mb, label1);
7503 mono_mb_patch_branch (mb, label3);
7507 case MARSHAL_ACTION_MANAGED_CONV_RESULT: {
7509 guint32 label1, label2, label3;
7510 int index_var, src, dest, esize;
7511 MonoMarshalConv conv = -1;
7512 gboolean is_string = FALSE;
7514 g_assert (!t->byref);
7516 eklass = klass->element_class;
7518 mono_marshal_load_type_info (eklass);
7520 if (eklass == mono_defaults.string_class) {
7522 conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
7525 g_assert_not_reached ();
7529 esize = sizeof (gpointer);
7530 else if (eklass == mono_defaults.char_class)
7531 esize = mono_pinvoke_is_unicode (m->piinfo) ? 2 : 1;
7533 esize = mono_class_native_size (eklass, NULL);
7535 src = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
7536 dest = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7538 mono_mb_emit_stloc (mb, src);
7539 mono_mb_emit_ldloc (mb, src);
7540 mono_mb_emit_stloc (mb, 3);
7542 /* Check for null */
7543 mono_mb_emit_ldloc (mb, src);
7544 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
7546 /* Allocate native array */
7547 mono_mb_emit_icon (mb, esize);
7548 mono_mb_emit_ldloc (mb, src);
7549 mono_mb_emit_byte (mb, CEE_LDLEN);
7551 if (eklass == mono_defaults.string_class) {
7552 /* Make the array bigger for the terminating null */
7553 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
7554 mono_mb_emit_byte (mb, CEE_ADD);
7556 mono_mb_emit_byte (mb, CEE_MUL);
7557 mono_mb_emit_icall (mb, mono_marshal_alloc);
7558 mono_mb_emit_stloc (mb, dest);
7559 mono_mb_emit_ldloc (mb, dest);
7560 mono_mb_emit_stloc (mb, 3);
7562 /* Emit marshalling loop */
7563 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7564 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7565 mono_mb_emit_stloc (mb, index_var);
7566 label2 = mono_mb_get_label (mb);
7567 mono_mb_emit_ldloc (mb, index_var);
7568 mono_mb_emit_ldloc (mb, src);
7569 mono_mb_emit_byte (mb, CEE_LDLEN);
7570 label3 = mono_mb_emit_branch (mb, CEE_BGE);
7572 /* Emit marshalling code */
7574 g_assert (conv != -1);
7577 mono_mb_emit_ldloc (mb, dest);
7580 mono_mb_emit_ldloc (mb, src);
7581 mono_mb_emit_ldloc (mb, index_var);
7583 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
7585 mono_mb_emit_icall (mb, conv_to_icall (conv));
7586 mono_mb_emit_byte (mb, CEE_STIND_I);
7589 char *msg = g_strdup ("Marshalling of non-string arrays to managed code is not implemented.");
7590 mono_mb_emit_exception_marshal_directive (mb, msg);
7594 mono_mb_emit_add_to_local (mb, index_var, 1);
7595 mono_mb_emit_add_to_local (mb, dest, esize);
7597 mono_mb_emit_branch_label (mb, CEE_BR, label2);
7599 mono_mb_patch_branch (mb, label3);
7600 mono_mb_patch_branch (mb, label1);
7604 g_assert_not_reached ();
7611 emit_marshal_boolean (EmitMarshalContext *m, int argnum, MonoType *t,
7612 MonoMarshalSpec *spec,
7613 int conv_arg, MonoType **conv_arg_type,
7614 MarshalAction action)
7616 MonoMethodBuilder *mb = m->mb;
7619 case MARSHAL_ACTION_CONV_IN: {
7620 MonoType *local_type;
7622 guint8 ldc_op = CEE_LDC_I4_1;
7625 local_type = &mono_defaults.int32_class->byval_arg;
7627 switch (spec->native) {
7628 case MONO_NATIVE_I1:
7629 case MONO_NATIVE_U1:
7630 local_type = &mono_defaults.byte_class->byval_arg;
7632 case MONO_NATIVE_VARIANTBOOL:
7633 local_type = &mono_defaults.int16_class->byval_arg;
7634 ldc_op = CEE_LDC_I4_M1;
7636 case MONO_NATIVE_BOOLEAN:
7637 local_type = &mono_defaults.int32_class->byval_arg;
7640 g_warning ("marshalling bool as native type %x is currently not supported", spec->native);
7641 local_type = &mono_defaults.int32_class->byval_arg;
7646 *conv_arg_type = &mono_defaults.int_class->byval_arg;
7648 *conv_arg_type = local_type;
7649 conv_arg = mono_mb_add_local (mb, local_type);
7651 mono_mb_emit_ldarg (mb, argnum);
7653 mono_mb_emit_byte (mb, CEE_LDIND_I1);
7654 label_false = mono_mb_emit_branch (mb, CEE_BRFALSE);
7655 mono_mb_emit_byte (mb, ldc_op);
7656 mono_mb_emit_stloc (mb, conv_arg);
7657 mono_mb_patch_branch (mb, label_false);
7662 case MARSHAL_ACTION_CONV_OUT:
7664 int label_false, label_end;
7668 mono_mb_emit_ldarg (mb, argnum);
7669 mono_mb_emit_ldloc (mb, conv_arg);
7671 label_false = mono_mb_emit_branch (mb, CEE_BRFALSE);
7672 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
7674 label_end = mono_mb_emit_branch (mb, CEE_BR);
7675 mono_mb_patch_branch (mb, label_false);
7676 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7677 mono_mb_patch_branch (mb, label_end);
7679 mono_mb_emit_byte (mb, CEE_STIND_I1);
7683 case MARSHAL_ACTION_PUSH:
7685 mono_mb_emit_ldloc_addr (mb, conv_arg);
7687 mono_mb_emit_ldloc (mb, conv_arg);
7689 mono_mb_emit_ldarg (mb, argnum);
7692 case MARSHAL_ACTION_CONV_RESULT:
7693 /* maybe we need to make sure that it fits within 8 bits */
7694 mono_mb_emit_stloc (mb, 3);
7697 case MARSHAL_ACTION_MANAGED_CONV_IN: {
7698 MonoClass* conv_arg_class = mono_defaults.int32_class;
7699 guint8 ldop = CEE_LDIND_I4;
7700 int label_null, label_false;
7702 conv_arg = mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
7705 switch (spec->native) {
7706 case MONO_NATIVE_I1:
7707 case MONO_NATIVE_U1:
7708 conv_arg_class = mono_defaults.byte_class;
7709 ldop = CEE_LDIND_I1;
7711 case MONO_NATIVE_VARIANTBOOL:
7712 conv_arg_class = mono_defaults.int16_class;
7713 ldop = CEE_LDIND_I2;
7715 case MONO_NATIVE_BOOLEAN:
7718 g_warning ("marshalling bool as native type %x is currently not supported", spec->native);
7723 *conv_arg_type = &conv_arg_class->this_arg;
7725 *conv_arg_type = &conv_arg_class->byval_arg;
7728 mono_mb_emit_ldarg (mb, argnum);
7732 label_null = mono_mb_emit_branch (mb, CEE_BRFALSE);
7733 mono_mb_emit_ldarg (mb, argnum);
7734 mono_mb_emit_byte (mb, ldop);
7738 label_false = mono_mb_emit_branch (mb, CEE_BRFALSE);
7739 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
7740 mono_mb_emit_stloc (mb, conv_arg);
7741 mono_mb_patch_branch (mb, label_false);
7744 mono_mb_patch_branch (mb, label_null);
7748 case MARSHAL_ACTION_MANAGED_CONV_OUT: {
7749 guint8 stop = CEE_STIND_I4;
7750 guint8 ldc_op = CEE_LDC_I4_1;
7751 int label_null,label_false, label_end;;
7756 switch (spec->native) {
7757 case MONO_NATIVE_I1:
7758 case MONO_NATIVE_U1:
7759 stop = CEE_STIND_I1;
7761 case MONO_NATIVE_VARIANTBOOL:
7762 stop = CEE_STIND_I2;
7763 ldc_op = CEE_LDC_I4_M1;
7771 mono_mb_emit_ldarg (mb, argnum);
7772 label_null = mono_mb_emit_branch (mb, CEE_BRFALSE);
7774 mono_mb_emit_ldarg (mb, argnum);
7775 mono_mb_emit_ldloc (mb, conv_arg);
7777 label_false = mono_mb_emit_branch (mb, CEE_BRFALSE);
7778 mono_mb_emit_byte (mb, ldc_op);
7779 label_end = mono_mb_emit_branch (mb, CEE_BR);
7781 mono_mb_patch_branch (mb, label_false);
7782 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7783 mono_mb_patch_branch (mb, label_end);
7785 mono_mb_emit_byte (mb, stop);
7786 mono_mb_patch_branch (mb, label_null);
7791 g_assert_not_reached ();
7798 emit_marshal_ptr (EmitMarshalContext *m, int argnum, MonoType *t,
7799 MonoMarshalSpec *spec, int conv_arg,
7800 MonoType **conv_arg_type, MarshalAction action)
7802 MonoMethodBuilder *mb = m->mb;
7805 case MARSHAL_ACTION_CONV_IN:
7806 if (MONO_TYPE_ISSTRUCT (t->data.type) && !mono_class_from_mono_type (t->data.type)->blittable) {
7807 char *msg = g_strdup_printf ("Can not marshal 'parameter #%d': Pointers can not reference marshaled structures. Use byref instead.", argnum + 1);
7808 mono_mb_emit_exception_marshal_directive (m->mb, msg);
7812 case MARSHAL_ACTION_PUSH:
7813 mono_mb_emit_ldarg (mb, argnum);
7816 case MARSHAL_ACTION_CONV_RESULT:
7817 /* no conversions necessary */
7818 mono_mb_emit_stloc (mb, 3);
7829 emit_marshal_char (EmitMarshalContext *m, int argnum, MonoType *t,
7830 MonoMarshalSpec *spec, int conv_arg,
7831 MonoType **conv_arg_type, MarshalAction action)
7833 MonoMethodBuilder *mb = m->mb;
7836 case MARSHAL_ACTION_PUSH:
7837 /* fixme: dont know how to marshal that. We cant simply
7838 * convert it to a one byte UTF8 character, because an
7839 * unicode character may need more that one byte in UTF8 */
7840 mono_mb_emit_ldarg (mb, argnum);
7843 case MARSHAL_ACTION_CONV_RESULT:
7844 /* fixme: we need conversions here */
7845 mono_mb_emit_stloc (mb, 3);
7856 emit_marshal_scalar (EmitMarshalContext *m, int argnum, MonoType *t,
7857 MonoMarshalSpec *spec, int conv_arg,
7858 MonoType **conv_arg_type, MarshalAction action)
7860 MonoMethodBuilder *mb = m->mb;
7863 case MARSHAL_ACTION_PUSH:
7864 mono_mb_emit_ldarg (mb, argnum);
7867 case MARSHAL_ACTION_CONV_RESULT:
7868 /* no conversions necessary */
7869 mono_mb_emit_stloc (mb, 3);
7880 emit_marshal (EmitMarshalContext *m, int argnum, MonoType *t,
7881 MonoMarshalSpec *spec, int conv_arg,
7882 MonoType **conv_arg_type, MarshalAction action)
7884 /* Ensure that we have marshalling info for this param */
7885 mono_marshal_load_type_info (mono_class_from_mono_type (t));
7887 if (spec && spec->native == MONO_NATIVE_CUSTOM)
7888 return emit_marshal_custom (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7890 if (spec && spec->native == MONO_NATIVE_ASANY)
7891 return emit_marshal_asany (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7894 case MONO_TYPE_VALUETYPE:
7895 if (t->data.klass == mono_defaults.handleref_class)
7896 return emit_marshal_handleref (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7898 return emit_marshal_vtype (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7899 case MONO_TYPE_STRING:
7900 return emit_marshal_string (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7901 case MONO_TYPE_CLASS:
7902 case MONO_TYPE_OBJECT:
7903 if (spec && spec->native == MONO_NATIVE_STRUCT)
7904 return emit_marshal_variant (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7907 if (spec && (spec->native == MONO_NATIVE_IUNKNOWN ||
7908 spec->native == MONO_NATIVE_IDISPATCH ||
7909 spec->native == MONO_NATIVE_INTERFACE))
7910 return mono_cominterop_emit_marshal_com_interface (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7911 if (spec && (spec->native == MONO_NATIVE_SAFEARRAY) &&
7912 (spec->data.safearray_data.elem_type == MONO_VARIANT_VARIANT) &&
7913 ((action == MARSHAL_ACTION_CONV_OUT) || (action == MARSHAL_ACTION_CONV_IN) || (action == MARSHAL_ACTION_PUSH)))
7914 return mono_cominterop_emit_marshal_safearray (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7917 if (mono_defaults.safehandle_class != NULL && t->data.klass &&
7918 mono_class_is_subclass_of (t->data.klass, mono_defaults.safehandle_class, FALSE))
7919 return emit_marshal_safehandle (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7921 return emit_marshal_object (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7922 case MONO_TYPE_ARRAY:
7923 case MONO_TYPE_SZARRAY:
7924 return emit_marshal_array (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7925 case MONO_TYPE_BOOLEAN:
7926 return emit_marshal_boolean (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7928 return emit_marshal_ptr (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7929 case MONO_TYPE_CHAR:
7930 return emit_marshal_char (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7943 case MONO_TYPE_FNPTR:
7944 return emit_marshal_scalar (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7945 case MONO_TYPE_GENERICINST:
7946 if (mono_type_generic_inst_is_valuetype (t))
7947 return emit_marshal_vtype (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7949 return emit_marshal_object (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7956 * mono_marshal_emit_native_wrapper:
7957 * @image: the image to use for looking up custom marshallers
7958 * @sig: The signature of the native function
7959 * @piinfo: Marshalling information
7960 * @mspecs: Marshalling information
7961 * @aot: whenever the created method will be compiled by the AOT compiler
7962 * @method: if non-NULL, the pinvoke method to call
7963 * @check_exceptions: Whenever to check for pending exceptions after the native call
7965 * generates IL code for the pinvoke wrapper, the generated code calls @func.
7968 mono_marshal_emit_native_wrapper (MonoImage *image, MonoMethodBuilder *mb, MonoMethodSignature *sig, MonoMethodPInvoke *piinfo, MonoMarshalSpec **mspecs, gpointer func, gboolean aot, gboolean check_exceptions)
7970 EmitMarshalContext m;
7971 MonoMethodSignature *csig;
7973 int i, argnum, *tmp_locals;
7975 static MonoMethodSignature *get_last_error_sig = NULL;
7980 /* we copy the signature, so that we can set pinvoke to 0 */
7981 csig = signature_dup (mb->method->klass->image, sig);
7986 /* we allocate local for use with emit_struct_conv() */
7987 /* allocate local 0 (pointer) src_ptr */
7988 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7989 /* allocate local 1 (pointer) dst_ptr */
7990 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7991 /* allocate local 2 (boolean) delete_old */
7992 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
7994 /* delete_old = FALSE */
7995 mono_mb_emit_icon (mb, 0);
7996 mono_mb_emit_stloc (mb, 2);
7998 if (!MONO_TYPE_IS_VOID(sig->ret)) {
7999 /* allocate local 3 to store the return value */
8000 mono_mb_add_local (mb, sig->ret);
8003 if (mspecs [0] && mspecs [0]->native == MONO_NATIVE_CUSTOM) {
8004 /* Return type custom marshaling */
8006 * Since we can't determine the return type of the unmanaged function,
8007 * we assume it returns a pointer, and pass that pointer to
8008 * MarshalNativeToManaged.
8010 csig->ret = &mono_defaults.int_class->byval_arg;
8013 /* we first do all conversions */
8014 tmp_locals = alloca (sizeof (int) * sig->param_count);
8015 m.orig_conv_args = alloca (sizeof (int) * (sig->param_count + 1));
8017 for (i = 0; i < sig->param_count; i ++) {
8018 tmp_locals [i] = emit_marshal (&m, i + sig->hasthis, sig->params [i], mspecs [i + 1], 0, &csig->params [i], MARSHAL_ACTION_CONV_IN);
8021 /* push all arguments */
8024 mono_mb_emit_byte (mb, CEE_LDARG_0);
8026 for (i = 0; i < sig->param_count; i++) {
8027 emit_marshal (&m, i + sig->hasthis, sig->params [i], mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_PUSH);
8030 /* call the native method */
8031 if (MONO_CLASS_IS_IMPORT (mb->method->klass)) {
8033 mono_mb_emit_cominterop_call (mb, csig, &piinfo->method);
8035 g_assert_not_reached ();
8040 /* Reuse the ICALL_ADDR opcode for pinvokes too */
8041 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
8042 mono_mb_emit_op (mb, CEE_MONO_ICALL_ADDR, &piinfo->method);
8043 mono_mb_emit_calli (mb, csig);
8045 mono_mb_emit_native_call (mb, csig, func);
8049 /* Set LastError if needed */
8050 if (piinfo->piflags & PINVOKE_ATTRIBUTE_SUPPORTS_LAST_ERROR) {
8051 if (!get_last_error_sig) {
8052 get_last_error_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
8053 get_last_error_sig->ret = &mono_defaults.int_class->byval_arg;
8054 get_last_error_sig->pinvoke = 1;
8059 * Have to call GetLastError () early and without a wrapper, since various runtime components could
8060 * clobber its value.
8062 mono_mb_emit_native_call (mb, get_last_error_sig, GetLastError);
8063 mono_mb_emit_icall (mb, mono_marshal_set_last_error_windows);
8065 mono_mb_emit_icall (mb, mono_marshal_set_last_error);
8069 /* convert the result */
8070 if (!sig->ret->byref) {
8071 MonoMarshalSpec *spec = mspecs [0];
8072 type = sig->ret->type;
8074 if (spec && spec->native == MONO_NATIVE_CUSTOM) {
8075 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
8080 case MONO_TYPE_VOID:
8082 case MONO_TYPE_VALUETYPE:
8083 klass = sig->ret->data.klass;
8084 if (klass->enumtype) {
8085 type = mono_class_enum_basetype (sig->ret->data.klass)->type;
8088 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
8102 case MONO_TYPE_FNPTR:
8103 case MONO_TYPE_STRING:
8104 case MONO_TYPE_CLASS:
8105 case MONO_TYPE_OBJECT:
8106 case MONO_TYPE_BOOLEAN:
8107 case MONO_TYPE_ARRAY:
8108 case MONO_TYPE_SZARRAY:
8109 case MONO_TYPE_CHAR:
8111 case MONO_TYPE_GENERICINST:
8112 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
8114 case MONO_TYPE_TYPEDBYREF:
8116 g_warning ("return type 0x%02x unknown", sig->ret->type);
8117 g_assert_not_reached ();
8121 mono_mb_emit_stloc (mb, 3);
8125 * Need to call this after converting the result since MONO_VTADDR needs
8126 * to be adjacent to the call instruction.
8128 if (check_exceptions)
8129 emit_thread_interrupt_checkpoint (mb);
8131 /* we need to convert byref arguments back and free string arrays */
8132 for (i = 0; i < sig->param_count; i++) {
8133 MonoType *t = sig->params [i];
8134 MonoMarshalSpec *spec = mspecs [i + 1];
8136 argnum = i + sig->hasthis;
8138 if (spec && ((spec->native == MONO_NATIVE_CUSTOM) || (spec->native == MONO_NATIVE_ASANY))) {
8139 emit_marshal (&m, argnum, t, spec, tmp_locals [i], NULL, MARSHAL_ACTION_CONV_OUT);
8144 case MONO_TYPE_STRING:
8145 case MONO_TYPE_VALUETYPE:
8146 case MONO_TYPE_CLASS:
8147 case MONO_TYPE_OBJECT:
8148 case MONO_TYPE_SZARRAY:
8149 case MONO_TYPE_BOOLEAN:
8150 emit_marshal (&m, argnum, t, spec, tmp_locals [i], NULL, MARSHAL_ACTION_CONV_OUT);
8155 if (!MONO_TYPE_IS_VOID(sig->ret))
8156 mono_mb_emit_ldloc (mb, 3);
8158 mono_mb_emit_byte (mb, CEE_RET);
8161 G_GNUC_UNUSED static void
8162 code_for (MonoMethod *method) {
8163 MonoMethodHeader *header = mono_method_get_header (method);
8164 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));
8168 * mono_marshal_get_native_wrapper:
8169 * @method: The MonoMethod to wrap.
8170 * @check_exceptions: Whenever to check for pending exceptions
8172 * generates IL code for the pinvoke wrapper (the generated method
8173 * calls the unmanaged code in piinfo->addr)
8176 mono_marshal_get_native_wrapper (MonoMethod *method, gboolean check_exceptions, gboolean aot)
8178 MonoMethodSignature *sig, *csig;
8179 MonoMethodPInvoke *piinfo = (MonoMethodPInvoke *) method;
8180 MonoMethodBuilder *mb;
8181 MonoMarshalSpec **mspecs;
8184 gboolean pinvoke = FALSE;
8187 const char *exc_class = "MissingMethodException";
8188 const char *exc_arg = NULL;
8190 g_assert (method != NULL);
8191 g_assert (mono_method_signature (method)->pinvoke);
8194 cache = get_cache (&method->klass->image->native_wrapper_aot_cache, mono_aligned_addr_hash, NULL);
8196 cache = get_cache (&method->klass->image->native_wrapper_cache, mono_aligned_addr_hash, NULL);
8197 if ((res = mono_marshal_find_in_cache (cache, method)))
8200 if (MONO_CLASS_IS_IMPORT (method->klass)) {
8202 return mono_cominterop_get_native_wrapper (method);
8204 g_assert_not_reached ();
8208 sig = mono_method_signature (method);
8210 if (!(method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
8211 (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL))
8214 if (!piinfo->addr) {
8216 if (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)
8217 exc_arg = "Method contains unsupported native code";
8219 mono_lookup_pinvoke_call (method, &exc_class, &exc_arg);
8221 piinfo->addr = mono_lookup_internal_call (method);
8224 /* hack - redirect certain string constructors to CreateString */
8225 if (piinfo->addr == ves_icall_System_String_ctor_RedirectToCreateString) {
8226 g_assert (!pinvoke);
8227 g_assert (method->string_ctor);
8228 g_assert (sig->hasthis);
8230 /* CreateString returns a value */
8231 csig = signature_dup (method->klass->image, sig);
8232 csig->ret = &mono_defaults.string_class->byval_arg;
8236 while ((res = mono_class_get_methods (mono_defaults.string_class, &iter))) {
8237 if (!strcmp ("CreateString", res->name) &&
8238 mono_metadata_signature_equal (csig, mono_method_signature (res))) {
8240 g_assert (!(res->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL));
8241 g_assert (!(res->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL));
8243 /* create a wrapper to preserve .ctor in stack trace */
8244 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_MANAGED_TO_MANAGED);
8246 mono_mb_emit_byte (mb, CEE_LDARG_0);
8247 for (i = 1; i <= csig->param_count; i++)
8248 mono_mb_emit_ldarg (mb, i);
8249 mono_mb_emit_managed_call (mb, res, NULL);
8250 mono_mb_emit_byte (mb, CEE_RET);
8252 /* use native_wrapper_cache because internal calls are looked up there */
8253 res = mono_mb_create_and_cache (cache, method,
8254 mb, csig, csig->param_count + 1);
8262 /* exception will be thrown */
8263 piinfo->addr = NULL;
8264 g_warning ("cannot find CreateString for .ctor");
8267 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_MANAGED_TO_NATIVE);
8269 mb->method->save_lmf = 1;
8272 * In AOT mode and embedding scenarios, it is possible that the icall is not
8273 * registered in the runtime doing the AOT compilation.
8275 if (!piinfo->addr && !aot) {
8276 mono_mb_emit_exception (mb, exc_class, exc_arg);
8277 csig = signature_dup (method->klass->image, sig);
8279 res = mono_mb_create_and_cache (cache, method,
8280 mb, csig, csig->param_count + 16);
8285 /* internal calls: we simply push all arguments and call the method (no conversions) */
8286 if (method->iflags & (METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL | METHOD_IMPL_ATTRIBUTE_RUNTIME)) {
8288 csig = signature_dup_add_this (sig, method->klass);
8290 csig = signature_dup (method->klass->image, sig);
8292 /* hack - string constructors returns a value */
8293 if (method->string_ctor)
8294 csig->ret = &mono_defaults.string_class->byval_arg;
8300 * Add a null check since public icalls can be called with 'call' which
8301 * does no such check.
8303 mono_mb_emit_byte (mb, CEE_LDARG_0);
8304 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
8305 mono_mb_emit_exception (mb, "NullReferenceException", NULL);
8306 mono_mb_patch_branch (mb, pos);
8308 mono_mb_emit_byte (mb, CEE_LDARG_0);
8311 for (i = 0; i < sig->param_count; i++)
8312 mono_mb_emit_ldarg (mb, i + sig->hasthis);
8315 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
8316 mono_mb_emit_op (mb, CEE_MONO_ICALL_ADDR, &piinfo->method);
8317 mono_mb_emit_calli (mb, csig);
8319 g_assert (piinfo->addr);
8320 mono_mb_emit_native_call (mb, csig, piinfo->addr);
8322 if (check_exceptions)
8323 emit_thread_interrupt_checkpoint (mb);
8324 mono_mb_emit_byte (mb, CEE_RET);
8326 csig = signature_dup (method->klass->image, csig);
8328 res = mono_mb_create_and_cache (cache, method,
8329 mb, csig, csig->param_count + 16);
8336 g_assert (piinfo->addr);
8338 mspecs = g_new (MonoMarshalSpec*, sig->param_count + 1);
8339 mono_method_get_marshal_info (method, mspecs);
8341 mono_marshal_emit_native_wrapper (mb->method->klass->image, mb, sig, piinfo, mspecs, piinfo->addr, aot, check_exceptions);
8343 csig = signature_dup (method->klass->image, sig);
8345 res = mono_mb_create_and_cache (cache, method,
8346 mb, csig, csig->param_count + 16);
8349 for (i = sig->param_count; i >= 0; i--)
8351 mono_metadata_free_marshal_spec (mspecs [i]);
8354 /* code_for (res); */
8360 * mono_marshal_get_native_func_wrapper:
8361 * @image: The image to use for memory allocation and for looking up custom marshallers.
8362 * @sig: The signature of the function
8363 * @func: The native function to wrap
8365 * Returns a wrapper method around native functions, similar to the pinvoke
8369 mono_marshal_get_native_func_wrapper (MonoImage *image, MonoMethodSignature *sig,
8370 MonoMethodPInvoke *piinfo, MonoMarshalSpec **mspecs, gpointer func)
8372 MonoMethodSignature *csig;
8374 MonoMethodBuilder *mb;
8379 cache = get_cache (&image->native_wrapper_cache, mono_aligned_addr_hash, NULL);
8380 if ((res = mono_marshal_find_in_cache (cache, func)))
8383 name = g_strdup_printf ("wrapper_native_%p", func);
8384 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_MANAGED_TO_NATIVE);
8385 mb->method->save_lmf = 1;
8387 mono_marshal_emit_native_wrapper (image, mb, sig, piinfo, mspecs, func, FALSE, TRUE);
8389 csig = signature_dup (image, sig);
8391 res = mono_mb_create_and_cache (cache, func,
8392 mb, csig, csig->param_count + 16);
8395 mono_marshal_set_wrapper_info (res, NULL);
8397 /* code_for (res); */
8403 * mono_marshal_emit_managed_wrapper:
8405 * Emit the body of a native-to-managed wrapper. INVOKE_SIG is the signature of
8406 * the delegate which wraps the managed method to be called. For closed delegates,
8407 * it could have fewer parameters than the method it wraps.
8408 * THIS_LOC is the memory location where the target of the delegate is stored.
8411 mono_marshal_emit_managed_wrapper (MonoMethodBuilder *mb, MonoMethodSignature *invoke_sig, MonoMarshalSpec **mspecs, EmitMarshalContext* m, MonoMethod *method, uint32_t target_handle)
8413 MonoMethodSignature *sig, *csig;
8415 gboolean closed = FALSE;
8420 /* allocate local 0 (pointer) src_ptr */
8421 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8422 /* allocate local 1 (pointer) dst_ptr */
8423 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8424 /* allocate local 2 (boolean) delete_old */
8425 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
8427 if (!sig->hasthis && sig->param_count != invoke_sig->param_count) {
8428 /* Closed delegate */
8429 g_assert (sig->param_count == invoke_sig->param_count + 1);
8431 /* Use a new signature without the first argument */
8432 sig = mono_metadata_signature_dup (sig);
8433 memmove (&sig->params [0], &sig->params [1], (sig->param_count - 1) * sizeof (MonoType*));
8434 sig->param_count --;
8437 if (!MONO_TYPE_IS_VOID(sig->ret)) {
8438 /* allocate local 3 to store the return value */
8439 mono_mb_add_local (mb, sig->ret);
8442 mono_mb_emit_icon (mb, 0);
8443 mono_mb_emit_stloc (mb, 2);
8445 /* we first do all conversions */
8446 tmp_locals = alloca (sizeof (int) * sig->param_count);
8447 for (i = 0; i < sig->param_count; i ++) {
8448 MonoType *t = sig->params [i];
8451 case MONO_TYPE_OBJECT:
8452 case MONO_TYPE_CLASS:
8453 case MONO_TYPE_VALUETYPE:
8454 case MONO_TYPE_ARRAY:
8455 case MONO_TYPE_SZARRAY:
8456 case MONO_TYPE_STRING:
8457 case MONO_TYPE_BOOLEAN:
8458 tmp_locals [i] = emit_marshal (m, i, sig->params [i], mspecs [i + 1], 0, &csig->params [i], MARSHAL_ACTION_MANAGED_CONV_IN);
8467 emit_thread_interrupt_checkpoint (mb);
8470 if (target_handle) {
8471 mono_mb_emit_icon (mb, (gint32)target_handle);
8472 mono_mb_emit_icall (mb, mono_gchandle_get_target);
8475 g_assert_not_reached ();
8477 } else if (closed) {
8478 mono_mb_emit_icon (mb, (gint32)target_handle);
8479 mono_mb_emit_icall (mb, mono_gchandle_get_target);
8482 for (i = 0; i < sig->param_count; i++) {
8483 MonoType *t = sig->params [i];
8485 if (tmp_locals [i]) {
8487 mono_mb_emit_ldloc_addr (mb, tmp_locals [i]);
8489 mono_mb_emit_ldloc (mb, tmp_locals [i]);
8492 mono_mb_emit_ldarg (mb, i);
8495 mono_mb_emit_managed_call (mb, method, NULL);
8497 if (mspecs [0] && mspecs [0]->native == MONO_NATIVE_CUSTOM) {
8498 emit_marshal (m, 0, sig->ret, mspecs [0], 0, NULL, MARSHAL_ACTION_MANAGED_CONV_RESULT);
8499 } else if (!sig->ret->byref) {
8500 switch (sig->ret->type) {
8501 case MONO_TYPE_VOID:
8503 case MONO_TYPE_BOOLEAN:
8506 case MONO_TYPE_CHAR:
8518 case MONO_TYPE_OBJECT:
8519 mono_mb_emit_stloc (mb, 3);
8521 case MONO_TYPE_STRING:
8522 csig->ret = &mono_defaults.int_class->byval_arg;
8523 emit_marshal (m, 0, sig->ret, mspecs [0], 0, NULL, MARSHAL_ACTION_MANAGED_CONV_RESULT);
8525 case MONO_TYPE_VALUETYPE:
8526 case MONO_TYPE_CLASS:
8527 case MONO_TYPE_SZARRAY:
8528 emit_marshal (m, 0, sig->ret, mspecs [0], 0, NULL, MARSHAL_ACTION_MANAGED_CONV_RESULT);
8531 g_warning ("return type 0x%02x unknown", sig->ret->type);
8532 g_assert_not_reached ();
8535 mono_mb_emit_stloc (mb, 3);
8538 /* Convert byref arguments back */
8539 for (i = 0; i < sig->param_count; i ++) {
8540 MonoType *t = sig->params [i];
8541 MonoMarshalSpec *spec = mspecs [i + 1];
8543 if (spec && spec->native == MONO_NATIVE_CUSTOM) {
8544 emit_marshal (m, i, t, mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_MANAGED_CONV_OUT);
8546 else if (t->byref) {
8548 case MONO_TYPE_CLASS:
8549 case MONO_TYPE_VALUETYPE:
8550 case MONO_TYPE_OBJECT:
8551 case MONO_TYPE_STRING:
8552 case MONO_TYPE_BOOLEAN:
8553 emit_marshal (m, i, t, mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_MANAGED_CONV_OUT);
8557 else if (invoke_sig->params [i]->attrs & PARAM_ATTRIBUTE_OUT) {
8558 /* The [Out] information is encoded in the delegate signature */
8560 case MONO_TYPE_SZARRAY:
8561 case MONO_TYPE_CLASS:
8562 case MONO_TYPE_VALUETYPE:
8563 emit_marshal (m, i, invoke_sig->params [i], mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_MANAGED_CONV_OUT);
8566 g_assert_not_reached ();
8571 if (m->retobj_var) {
8572 mono_mb_emit_ldloc (mb, m->retobj_var);
8573 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
8574 mono_mb_emit_op (mb, CEE_MONO_RETOBJ, m->retobj_class);
8577 if (!MONO_TYPE_IS_VOID(sig->ret))
8578 mono_mb_emit_ldloc (mb, 3);
8579 mono_mb_emit_byte (mb, CEE_RET);
8588 mono_marshal_set_callconv_from_modopt (MonoMethod *method, MonoMethodSignature *csig)
8590 MonoMethodSignature *sig;
8595 * Under windows, delegates passed to native code must use the STDCALL
8596 * calling convention.
8598 csig->call_convention = MONO_CALL_STDCALL;
8601 sig = mono_method_signature (method);
8603 /* Change default calling convention if needed */
8604 /* Why is this a modopt ? */
8605 if (sig->ret && sig->ret->num_mods) {
8606 for (i = 0; i < sig->ret->num_mods; ++i) {
8607 MonoClass *cmod_class = mono_class_get (method->klass->image, sig->ret->modifiers [i].token);
8608 g_assert (cmod_class);
8609 if ((cmod_class->image == mono_defaults.corlib) && !strcmp (cmod_class->name_space, "System.Runtime.CompilerServices")) {
8610 if (!strcmp (cmod_class->name, "CallConvCdecl"))
8611 csig->call_convention = MONO_CALL_C;
8612 else if (!strcmp (cmod_class->name, "CallConvStdcall"))
8613 csig->call_convention = MONO_CALL_STDCALL;
8614 else if (!strcmp (cmod_class->name, "CallConvFastcall"))
8615 csig->call_convention = MONO_CALL_FASTCALL;
8616 else if (!strcmp (cmod_class->name, "CallConvThiscall"))
8617 csig->call_convention = MONO_CALL_THISCALL;
8624 * generates IL code to call managed methods from unmanaged code
8627 mono_marshal_get_managed_wrapper (MonoMethod *method, MonoClass *delegate_klass, uint32_t target_handle)
8629 static MonoClass *UnmanagedFunctionPointerAttribute;
8630 MonoMethodSignature *sig, *csig, *invoke_sig;
8631 MonoMethodBuilder *mb;
8632 MonoMethod *res, *invoke;
8633 MonoMarshalSpec **mspecs;
8634 MonoMethodPInvoke piinfo;
8637 EmitMarshalContext m;
8639 g_assert (method != NULL);
8640 g_assert (!mono_method_signature (method)->pinvoke);
8643 * FIXME: Should cache the method+delegate type pair, since the same method
8644 * could be called with different delegates, thus different marshalling
8647 cache = get_cache (&method->klass->image->managed_wrapper_cache, mono_aligned_addr_hash, NULL);
8648 if (!target_handle && (res = mono_marshal_find_in_cache (cache, method)))
8651 invoke = mono_get_delegate_invoke (delegate_klass);
8652 invoke_sig = mono_method_signature (invoke);
8654 mspecs = g_new0 (MonoMarshalSpec*, mono_method_signature (invoke)->param_count + 1);
8655 mono_method_get_marshal_info (invoke, mspecs);
8657 sig = mono_method_signature (method);
8659 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_NATIVE_TO_MANAGED);
8661 /*the target gchandle must be the first entry after size and the wrapper itself.*/
8662 mono_mb_add_data (mb, GUINT_TO_POINTER (target_handle));
8664 /* we copy the signature, so that we can modify it */
8666 /* Need to free this later */
8667 csig = mono_metadata_signature_dup (invoke_sig);
8669 csig = signature_dup (method->klass->image, invoke_sig);
8678 m.image = method->klass->image;
8680 mono_marshal_set_callconv_from_modopt (invoke, csig);
8682 /* Handle the UnmanagedFunctionPointerAttribute */
8683 if (!UnmanagedFunctionPointerAttribute)
8684 UnmanagedFunctionPointerAttribute = mono_class_from_name (mono_defaults.corlib, "System.Runtime.InteropServices", "UnmanagedFunctionPointerAttribute");
8686 /* The attribute is only available in Net 2.0 */
8687 if (UnmanagedFunctionPointerAttribute) {
8688 MonoCustomAttrInfo *cinfo;
8689 MonoCustomAttrEntry *attr;
8692 * The pinvoke attributes are stored in a real custom attribute. Obtain the
8693 * contents of the attribute without constructing it, as that might not be
8694 * possible when running in cross-compiling mode.
8696 cinfo = mono_custom_attrs_from_class (delegate_klass);
8699 for (i = 0; i < cinfo->num_attrs; ++i) {
8700 if (mono_class_has_parent (cinfo->attrs [i].ctor->klass, UnmanagedFunctionPointerAttribute)) {
8701 attr = &cinfo->attrs [i];
8707 MonoArray *typed_args, *named_args;
8708 CattrNamedArg *arginfo;
8712 MonoBoolean set_last_error = 0;
8713 MonoBoolean best_fit_mapping = 0;
8714 MonoBoolean throw_on_unmappable = 0;
8716 mono_reflection_create_custom_attr_data_args (mono_defaults.corlib, attr->ctor, attr->data, attr->data_size, &typed_args, &named_args, &arginfo);
8718 g_assert (mono_array_length (typed_args) == 1);
8721 o = mono_array_get (typed_args, MonoObject*, 0);
8722 call_conv = *(gint32*)mono_object_unbox (o);
8725 for (i = 0; i < mono_array_length (named_args); ++i) {
8726 CattrNamedArg *narg = &arginfo [i];
8728 o = mono_array_get (named_args, MonoObject*, i);
8730 g_assert (narg->field);
8731 if (!strcmp (narg->field->name, "CharSet")) {
8732 charset = *(gint32*)mono_object_unbox (o);
8733 } else if (!strcmp (narg->field->name, "SetLastError")) {
8734 set_last_error = *(MonoBoolean*)mono_object_unbox (o);
8735 } else if (!strcmp (narg->field->name, "BestFitMapping")) {
8736 best_fit_mapping = *(MonoBoolean*)mono_object_unbox (o);
8737 } else if (!strcmp (narg->field->name, "ThrowOnUnmappableChar")) {
8738 throw_on_unmappable = *(MonoBoolean*)mono_object_unbox (o);
8740 g_assert_not_reached ();
8746 memset (&piinfo, 0, sizeof (piinfo));
8748 piinfo.piflags = (call_conv << 8) | (charset ? (charset - 1) * 2 : 1) | set_last_error;
8750 csig->call_convention = call_conv - 1;
8753 if (cinfo && !cinfo->cached)
8754 mono_custom_attrs_free (cinfo);
8757 mono_marshal_emit_managed_wrapper (mb, invoke_sig, mspecs, &m, method, target_handle);
8760 res = mono_mb_create_and_cache (cache, method,
8761 mb, csig, sig->param_count + 16);
8764 res = mono_mb_create_method (mb, csig, sig->param_count + 16);
8768 for (i = mono_method_signature (invoke)->param_count; i >= 0; i--)
8770 mono_metadata_free_marshal_spec (mspecs [i]);
8773 /* code_for (res); */
8779 mono_marshal_get_vtfixup_ftnptr (MonoImage *image, guint32 token, guint16 type)
8782 MonoMethodSignature *sig;
8783 MonoMethodBuilder *mb;
8788 method = mono_get_method (image, token, NULL);
8791 if (type & (VTFIXUP_TYPE_FROM_UNMANAGED | VTFIXUP_TYPE_FROM_UNMANAGED_RETAIN_APPDOMAIN)) {
8792 MonoMethodSignature *csig;
8793 MonoMarshalSpec **mspecs;
8794 EmitMarshalContext m;
8796 sig = mono_method_signature (method);
8797 g_assert (!sig->hasthis);
8799 mspecs = g_new0 (MonoMarshalSpec*, sig->param_count + 1);
8800 mono_method_get_marshal_info (method, mspecs);
8802 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_NATIVE_TO_MANAGED);
8803 csig = signature_dup (image, sig);
8814 mono_marshal_set_callconv_from_modopt (method, csig);
8816 /* FIXME: Implement VTFIXUP_TYPE_FROM_UNMANAGED_RETAIN_APPDOMAIN. */
8818 mono_marshal_emit_managed_wrapper (mb, sig, mspecs, &m, method, 0);
8821 method = mono_mb_create_method (mb, csig, sig->param_count + 16);
8824 for (i = sig->param_count; i >= 0; i--)
8826 mono_metadata_free_marshal_spec (mspecs [i]);
8829 return mono_compile_method (method);
8832 sig = mono_method_signature (method);
8833 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_MANAGED_TO_MANAGED);
8835 param_count = sig->param_count + sig->hasthis;
8836 for (i = 0; i < param_count; i++)
8837 mono_mb_emit_ldarg (mb, i);
8839 if (type & VTFIXUP_TYPE_CALL_MOST_DERIVED)
8840 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
8842 mono_mb_emit_op (mb, CEE_CALL, method);
8843 mono_mb_emit_byte (mb, CEE_RET);
8846 method = mono_mb_create_method (mb, sig, param_count);
8849 return mono_compile_method (method);
8852 static MonoReflectionType *
8853 type_from_handle (MonoType *handle)
8855 MonoDomain *domain = mono_domain_get ();
8856 MonoClass *klass = mono_class_from_mono_type (handle);
8858 MONO_ARCH_SAVE_REGS;
8860 mono_class_init (klass);
8861 return mono_type_get_object (domain, handle);
8865 * This does the equivalent of mono_object_castclass_with_cache.
8868 mono_marshal_get_castclass_with_cache (void)
8870 static MonoMethod *cached;
8872 MonoMethodBuilder *mb;
8873 MonoMethodSignature *sig;
8874 int return_null_pos, cache_miss_pos, invalid_cast_pos;
8879 mb = mono_mb_new (mono_defaults.object_class, "__castclass_with_cache", MONO_WRAPPER_CASTCLASS);
8880 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
8881 sig->params [0] = &mono_defaults.object_class->byval_arg;
8882 sig->params [1] = &mono_defaults.int_class->byval_arg;
8883 sig->params [2] = &mono_defaults.int_class->byval_arg;
8884 sig->ret = &mono_defaults.object_class->byval_arg;
8887 /* allocate local 0 (pointer) obj_vtable */
8888 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8891 mono_mb_emit_ldarg (mb, 0);
8892 return_null_pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
8894 /*obj_vtable = obj->vtable;*/
8895 mono_mb_emit_ldarg (mb, 0);
8896 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
8897 mono_mb_emit_byte (mb, CEE_LDIND_I);
8898 mono_mb_emit_stloc (mb, 0);
8901 mono_mb_emit_ldarg (mb, 2);
8902 mono_mb_emit_byte (mb, CEE_LDIND_I);
8903 mono_mb_emit_ldloc (mb, 0);
8905 /*if (*cache == obj_vtable)*/
8906 cache_miss_pos = mono_mb_emit_branch (mb, CEE_BNE_UN);
8909 mono_mb_emit_ldarg (mb, 0);
8910 mono_mb_emit_byte (mb, CEE_RET);
8912 mono_mb_patch_branch (mb, cache_miss_pos);
8913 /*if (mono_object_isinst (obj, klass)) */
8914 mono_mb_emit_ldarg (mb, 0);
8915 mono_mb_emit_ldarg (mb, 1);
8916 mono_mb_emit_icall (mb, mono_object_isinst);
8917 invalid_cast_pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
8919 /**cache = obj_vtable;*/
8920 mono_mb_emit_ldarg (mb, 2);
8921 mono_mb_emit_ldloc (mb, 0);
8922 mono_mb_emit_byte (mb, CEE_STIND_I);
8925 mono_mb_emit_ldarg (mb, 0);
8926 mono_mb_emit_byte (mb, CEE_RET);
8929 mono_mb_patch_branch (mb, invalid_cast_pos);
8930 mono_mb_emit_exception (mb, "InvalidCastException", NULL);
8933 mono_mb_patch_branch (mb, return_null_pos);
8934 mono_mb_emit_byte (mb, CEE_LDNULL);
8935 mono_mb_emit_byte (mb, CEE_RET);
8937 res = mono_mb_create_method (mb, sig, 8);
8938 if (InterlockedCompareExchangePointer ((volatile gpointer *)&cached, res, NULL)) {
8939 mono_free_method (res);
8940 mono_metadata_free_method_signature (sig);
8948 * This does the equivalent of mono_object_isinst_with_cache.
8951 mono_marshal_get_isinst_with_cache (void)
8953 static MonoMethod *cached;
8955 MonoMethodBuilder *mb;
8956 MonoMethodSignature *sig;
8957 int return_null_pos, cache_miss_pos, cache_hit_pos, not_an_instance_pos, negative_cache_hit_pos;
8962 mb = mono_mb_new (mono_defaults.object_class, "__isisnt_with_cache", MONO_WRAPPER_CASTCLASS);
8963 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
8964 sig->params [0] = &mono_defaults.object_class->byval_arg;
8965 sig->params [1] = &mono_defaults.int_class->byval_arg;
8966 sig->params [2] = &mono_defaults.int_class->byval_arg;
8967 sig->ret = &mono_defaults.object_class->byval_arg;
8970 /* allocate local 0 (pointer) obj_vtable */
8971 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8972 /* allocate local 1 (pointer) cached_vtable */
8973 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8976 mono_mb_emit_ldarg (mb, 0);
8977 return_null_pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
8979 /*obj_vtable = obj->vtable;*/
8980 mono_mb_emit_ldarg (mb, 0);
8981 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
8982 mono_mb_emit_byte (mb, CEE_LDIND_I);
8983 mono_mb_emit_stloc (mb, 0);
8985 /* cached_vtable = *cache*/
8986 mono_mb_emit_ldarg (mb, 2);
8987 mono_mb_emit_byte (mb, CEE_LDIND_I);
8988 mono_mb_emit_stloc (mb, 1);
8990 mono_mb_emit_ldloc (mb, 1);
8991 mono_mb_emit_byte (mb, CEE_LDC_I4);
8992 mono_mb_emit_i4 (mb, ~0x1);
8993 mono_mb_emit_byte (mb, CEE_CONV_U);
8994 mono_mb_emit_byte (mb, CEE_AND);
8995 mono_mb_emit_ldloc (mb, 0);
8996 /*if ((cached_vtable & ~0x1)== obj_vtable)*/
8997 cache_miss_pos = mono_mb_emit_branch (mb, CEE_BNE_UN);
8999 /*return (cached_vtable & 0x1) ? NULL : obj;*/
9000 mono_mb_emit_ldloc (mb, 1);
9001 mono_mb_emit_byte(mb, CEE_LDC_I4_1);
9002 mono_mb_emit_byte (mb, CEE_CONV_U);
9003 mono_mb_emit_byte (mb, CEE_AND);
9004 negative_cache_hit_pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
9007 mono_mb_emit_ldarg (mb, 0);
9008 cache_hit_pos = mono_mb_emit_branch (mb, CEE_BR);
9011 mono_mb_patch_branch (mb, negative_cache_hit_pos);
9012 mono_mb_emit_byte (mb, CEE_LDNULL);
9014 mono_mb_patch_branch (mb, cache_hit_pos);
9015 mono_mb_emit_byte (mb, CEE_RET);
9017 mono_mb_patch_branch (mb, cache_miss_pos);
9018 /*if (mono_object_isinst (obj, klass)) */
9019 mono_mb_emit_ldarg (mb, 0);
9020 mono_mb_emit_ldarg (mb, 1);
9021 mono_mb_emit_icall (mb, mono_object_isinst);
9022 not_an_instance_pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
9024 /**cache = obj_vtable;*/
9025 mono_mb_emit_ldarg (mb, 2);
9026 mono_mb_emit_ldloc (mb, 0);
9027 mono_mb_emit_byte (mb, CEE_STIND_I);
9030 mono_mb_emit_ldarg (mb, 0);
9031 mono_mb_emit_byte (mb, CEE_RET);
9034 mono_mb_patch_branch (mb, not_an_instance_pos);
9035 /* *cache = (gpointer)(obj_vtable | 0x1);*/
9036 mono_mb_emit_ldarg (mb, 2);
9037 /*obj_vtable | 0x1*/
9038 mono_mb_emit_ldloc (mb, 0);
9039 mono_mb_emit_byte(mb, CEE_LDC_I4_1);
9040 mono_mb_emit_byte (mb, CEE_CONV_U);
9041 mono_mb_emit_byte (mb, CEE_OR);
9044 mono_mb_emit_byte (mb, CEE_STIND_I);
9047 mono_mb_patch_branch (mb, return_null_pos);
9048 mono_mb_emit_byte (mb, CEE_LDNULL);
9049 mono_mb_emit_byte (mb, CEE_RET);
9051 res = mono_mb_create_method (mb, sig, 8);
9052 if (InterlockedCompareExchangePointer ((volatile gpointer *)&cached, res, NULL)) {
9053 mono_free_method (res);
9054 mono_metadata_free_method_signature (sig);
9062 * mono_marshal_get_isinst:
9063 * @klass: the type of the field
9065 * This method generates a function which can be used to check if an object is
9066 * an instance of the given type, icluding the case where the object is a proxy.
9067 * The generated function has the following signature:
9068 * MonoObject* __isinst_wrapper_ (MonoObject *obj)
9071 mono_marshal_get_isinst (MonoClass *klass)
9073 static MonoMethodSignature *isint_sig = NULL;
9076 int pos_was_ok, pos_failed, pos_end, pos_end2;
9078 MonoMethodBuilder *mb;
9080 cache = get_cache (&klass->image->isinst_cache, mono_aligned_addr_hash, NULL);
9081 if ((res = mono_marshal_find_in_cache (cache, klass)))
9085 isint_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
9086 isint_sig->params [0] = &mono_defaults.object_class->byval_arg;
9087 isint_sig->ret = &mono_defaults.object_class->byval_arg;
9088 isint_sig->pinvoke = 0;
9091 name = g_strdup_printf ("__isinst_wrapper_%s", klass->name);
9092 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_ISINST);
9095 mb->method->save_lmf = 1;
9097 /* check if the object is a proxy that needs special cast */
9098 mono_mb_emit_ldarg (mb, 0);
9099 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
9100 mono_mb_emit_op (mb, CEE_MONO_CISINST, klass);
9102 /* The result of MONO_ISINST can be:
9103 0) the type check succeeded
9104 1) the type check did not succeed
9105 2) a CanCastTo call is needed */
9107 mono_mb_emit_byte (mb, CEE_DUP);
9108 pos_was_ok = mono_mb_emit_branch (mb, CEE_BRFALSE);
9110 mono_mb_emit_byte (mb, CEE_LDC_I4_2);
9111 pos_failed = mono_mb_emit_branch (mb, CEE_BNE_UN);
9113 /* get the real proxy from the transparent proxy*/
9115 mono_mb_emit_ldarg (mb, 0);
9116 mono_mb_emit_managed_call (mb, mono_marshal_get_proxy_cancast (klass), NULL);
9117 pos_end = mono_mb_emit_branch (mb, CEE_BR);
9121 mono_mb_patch_branch (mb, pos_failed);
9122 mono_mb_emit_byte (mb, CEE_LDNULL);
9123 pos_end2 = mono_mb_emit_branch (mb, CEE_BR);
9127 mono_mb_patch_branch (mb, pos_was_ok);
9128 mono_mb_emit_byte (mb, CEE_POP);
9129 mono_mb_emit_ldarg (mb, 0);
9133 mono_mb_patch_branch (mb, pos_end);
9134 mono_mb_patch_branch (mb, pos_end2);
9135 mono_mb_emit_byte (mb, CEE_RET);
9137 res = mono_mb_create_and_cache (cache, klass, mb, isint_sig, isint_sig->param_count + 16);
9144 * mono_marshal_get_castclass:
9145 * @klass: the type of the field
9147 * This method generates a function which can be used to cast an object to
9148 * an instance of the given type, icluding the case where the object is a proxy.
9149 * The generated function has the following signature:
9150 * MonoObject* __castclass_wrapper_ (MonoObject *obj)
9153 mono_marshal_get_castclass (MonoClass *klass)
9155 static MonoMethodSignature *castclass_sig = NULL;
9158 int pos_was_ok, pos_was_ok2;
9160 MonoMethodBuilder *mb;
9162 cache = get_cache (&klass->image->castclass_cache, mono_aligned_addr_hash, NULL);
9163 if ((res = mono_marshal_find_in_cache (cache, klass)))
9166 if (!castclass_sig) {
9167 castclass_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
9168 castclass_sig->params [0] = &mono_defaults.object_class->byval_arg;
9169 castclass_sig->ret = &mono_defaults.object_class->byval_arg;
9170 castclass_sig->pinvoke = 0;
9173 name = g_strdup_printf ("__castclass_wrapper_%s", klass->name);
9174 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_CASTCLASS);
9177 mb->method->save_lmf = 1;
9179 /* check if the object is a proxy that needs special cast */
9180 mono_mb_emit_ldarg (mb, 0);
9181 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
9182 mono_mb_emit_op (mb, CEE_MONO_CCASTCLASS, klass);
9184 /* The result of MONO_ISINST can be:
9185 0) the cast is valid
9186 1) cast of unknown proxy type
9187 or an exception if the cast is is invalid
9190 pos_was_ok = mono_mb_emit_branch (mb, CEE_BRFALSE);
9192 /* get the real proxy from the transparent proxy*/
9194 mono_mb_emit_ldarg (mb, 0);
9195 mono_mb_emit_managed_call (mb, mono_marshal_get_proxy_cancast (klass), NULL);
9196 pos_was_ok2 = mono_mb_emit_branch (mb, CEE_BRTRUE);
9199 mono_mb_emit_exception (mb, "InvalidCastException", NULL);
9202 mono_mb_patch_branch (mb, pos_was_ok);
9203 mono_mb_patch_branch (mb, pos_was_ok2);
9204 mono_mb_emit_ldarg (mb, 0);
9207 mono_mb_emit_byte (mb, CEE_RET);
9209 res = mono_mb_create_and_cache (cache, klass, mb, castclass_sig, castclass_sig->param_count + 16);
9216 mono_marshal_get_proxy_cancast (MonoClass *klass)
9218 static MonoMethodSignature *isint_sig = NULL;
9221 int pos_failed, pos_end;
9223 MonoMethod *can_cast_to;
9224 MonoMethodDesc *desc;
9225 MonoMethodBuilder *mb;
9227 cache = get_cache (&klass->image->proxy_isinst_cache, mono_aligned_addr_hash, NULL);
9228 if ((res = mono_marshal_find_in_cache (cache, klass)))
9232 isint_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
9233 isint_sig->params [0] = &mono_defaults.object_class->byval_arg;
9234 isint_sig->ret = &mono_defaults.object_class->byval_arg;
9235 isint_sig->pinvoke = 0;
9238 name = g_strdup_printf ("__proxy_isinst_wrapper_%s", klass->name);
9239 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_PROXY_ISINST);
9242 mb->method->save_lmf = 1;
9244 /* get the real proxy from the transparent proxy*/
9245 mono_mb_emit_ldarg (mb, 0);
9246 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
9247 mono_mb_emit_byte (mb, CEE_LDIND_REF);
9249 /* get the reflection type from the type handle */
9250 mono_mb_emit_ptr (mb, &klass->byval_arg);
9251 mono_mb_emit_icall (mb, type_from_handle);
9253 mono_mb_emit_ldarg (mb, 0);
9255 /* make the call to CanCastTo (type, ob) */
9256 desc = mono_method_desc_new ("IRemotingTypeInfo:CanCastTo", FALSE);
9257 can_cast_to = mono_method_desc_search_in_class (desc, mono_defaults.iremotingtypeinfo_class);
9258 g_assert (can_cast_to);
9259 mono_method_desc_free (desc);
9260 mono_mb_emit_op (mb, CEE_CALLVIRT, can_cast_to);
9262 pos_failed = mono_mb_emit_branch (mb, CEE_BRFALSE);
9264 /* Upgrade the proxy vtable by calling: mono_upgrade_remote_class_wrapper (type, ob)*/
9265 mono_mb_emit_ptr (mb, &klass->byval_arg);
9266 mono_mb_emit_icall (mb, type_from_handle);
9267 mono_mb_emit_ldarg (mb, 0);
9269 mono_mb_emit_icall (mb, mono_upgrade_remote_class_wrapper);
9270 emit_thread_interrupt_checkpoint (mb);
9272 mono_mb_emit_ldarg (mb, 0);
9273 pos_end = mono_mb_emit_branch (mb, CEE_BR);
9277 mono_mb_patch_branch (mb, pos_failed);
9278 mono_mb_emit_byte (mb, CEE_LDNULL);
9282 mono_mb_patch_branch (mb, pos_end);
9283 mono_mb_emit_byte (mb, CEE_RET);
9285 res = mono_mb_create_and_cache (cache, klass, mb, isint_sig, isint_sig->param_count + 16);
9292 mono_upgrade_remote_class_wrapper (MonoReflectionType *rtype, MonoTransparentProxy *tproxy)
9295 MonoDomain *domain = ((MonoObject*)tproxy)->vtable->domain;
9296 klass = mono_class_from_mono_type (rtype->type);
9297 mono_upgrade_remote_class (domain, (MonoObject*)tproxy, klass);
9301 * mono_marshal_get_struct_to_ptr:
9304 * generates IL code for StructureToPtr (object structure, IntPtr ptr, bool fDeleteOld)
9307 mono_marshal_get_struct_to_ptr (MonoClass *klass)
9309 MonoMethodBuilder *mb;
9310 static MonoMethod *stoptr = NULL;
9313 g_assert (klass != NULL);
9315 mono_marshal_load_type_info (klass);
9317 if (klass->marshal_info->str_to_ptr)
9318 return klass->marshal_info->str_to_ptr;
9321 stoptr = mono_class_get_method_from_name (mono_defaults.marshal_class, "StructureToPtr", 3);
9324 mb = mono_mb_new (klass, stoptr->name, MONO_WRAPPER_UNKNOWN);
9326 if (klass->blittable) {
9327 mono_mb_emit_byte (mb, CEE_LDARG_1);
9328 mono_mb_emit_byte (mb, CEE_LDARG_0);
9329 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
9330 mono_mb_emit_icon (mb, mono_class_value_size (klass, NULL));
9331 mono_mb_emit_byte (mb, CEE_PREFIX1);
9332 mono_mb_emit_byte (mb, CEE_CPBLK);
9335 /* allocate local 0 (pointer) src_ptr */
9336 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9337 /* allocate local 1 (pointer) dst_ptr */
9338 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9339 /* allocate local 2 (boolean) delete_old */
9340 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
9341 mono_mb_emit_byte (mb, CEE_LDARG_2);
9342 mono_mb_emit_stloc (mb, 2);
9344 /* initialize src_ptr to point to the start of object data */
9345 mono_mb_emit_byte (mb, CEE_LDARG_0);
9346 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
9347 mono_mb_emit_stloc (mb, 0);
9349 /* initialize dst_ptr */
9350 mono_mb_emit_byte (mb, CEE_LDARG_1);
9351 mono_mb_emit_stloc (mb, 1);
9353 emit_struct_conv (mb, klass, FALSE);
9356 mono_mb_emit_byte (mb, CEE_RET);
9358 res = mono_mb_create_method (mb, mono_signature_no_pinvoke (stoptr), 0);
9361 klass->marshal_info->str_to_ptr = res;
9366 * mono_marshal_get_ptr_to_struct:
9369 * generates IL code for PtrToStructure (IntPtr src, object structure)
9372 mono_marshal_get_ptr_to_struct (MonoClass *klass)
9374 MonoMethodBuilder *mb;
9375 static MonoMethodSignature *ptostr = NULL;
9378 g_assert (klass != NULL);
9380 mono_marshal_load_type_info (klass);
9382 if (klass->marshal_info->ptr_to_str)
9383 return klass->marshal_info->ptr_to_str;
9386 MonoMethodSignature *sig;
9388 /* Create the signature corresponding to
9389 static void PtrToStructure (IntPtr ptr, object structure);
9390 defined in class/corlib/System.Runtime.InteropServices/Marshal.cs */
9391 sig = mono_create_icall_signature ("void ptr object");
9392 sig = signature_dup (mono_defaults.corlib, sig);
9394 mono_memory_barrier ();
9398 mb = mono_mb_new (klass, "PtrToStructure", MONO_WRAPPER_UNKNOWN);
9400 if (klass->blittable) {
9401 mono_mb_emit_byte (mb, CEE_LDARG_1);
9402 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
9403 mono_mb_emit_byte (mb, CEE_LDARG_0);
9404 mono_mb_emit_icon (mb, mono_class_value_size (klass, NULL));
9405 mono_mb_emit_byte (mb, CEE_PREFIX1);
9406 mono_mb_emit_byte (mb, CEE_CPBLK);
9409 /* allocate local 0 (pointer) src_ptr */
9410 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9411 /* allocate local 1 (pointer) dst_ptr */
9412 mono_mb_add_local (mb, &klass->this_arg);
9414 /* initialize src_ptr to point to the start of object data */
9415 mono_mb_emit_byte (mb, CEE_LDARG_0);
9416 mono_mb_emit_stloc (mb, 0);
9418 /* initialize dst_ptr */
9419 mono_mb_emit_byte (mb, CEE_LDARG_1);
9420 mono_mb_emit_op (mb, CEE_UNBOX, klass);
9421 mono_mb_emit_stloc (mb, 1);
9423 emit_struct_conv (mb, klass, TRUE);
9426 mono_mb_emit_byte (mb, CEE_RET);
9428 res = mono_mb_create_method (mb, ptostr, 0);
9431 klass->marshal_info->ptr_to_str = res;
9436 * generates IL code for the synchronized wrapper: the generated method
9437 * calls METHOD while locking 'this' or the parent type.
9440 mono_marshal_get_synchronized_wrapper (MonoMethod *method)
9442 static MonoMethod *enter_method, *exit_method, *gettypefromhandle_method;
9443 MonoMethodSignature *sig;
9444 MonoExceptionClause *clause;
9445 MonoMethodBuilder *mb;
9448 int i, pos, this_local, ret_local = 0;
9452 if (method->wrapper_type == MONO_WRAPPER_SYNCHRONIZED)
9455 cache = get_cache (&method->klass->image->synchronized_cache, mono_aligned_addr_hash, NULL);
9456 if ((res = mono_marshal_find_in_cache (cache, method)))
9459 sig = signature_dup (method->klass->image, mono_method_signature (method));
9462 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_SYNCHRONIZED);
9465 if (!MONO_TYPE_IS_VOID (sig->ret))
9466 ret_local = mono_mb_add_local (mb, sig->ret);
9468 if (method->klass->valuetype && !(method->flags & MONO_METHOD_ATTR_STATIC)) {
9469 mono_class_set_failure (method->klass, MONO_EXCEPTION_TYPE_LOAD, NULL);
9470 /* This will throw the type load exception when the wrapper is compiled */
9471 mono_mb_emit_byte (mb, CEE_LDNULL);
9472 mono_mb_emit_op (mb, CEE_ISINST, method->klass);
9473 mono_mb_emit_byte (mb, CEE_POP);
9475 if (!MONO_TYPE_IS_VOID (sig->ret))
9476 mono_mb_emit_ldloc (mb, ret_local);
9477 mono_mb_emit_byte (mb, CEE_RET);
9479 res = mono_mb_create_and_cache (cache, method,
9480 mb, sig, sig->param_count + 16);
9487 this_local = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
9489 clause = mono_image_alloc0 (method->klass->image, sizeof (MonoExceptionClause));
9490 clause->flags = MONO_EXCEPTION_CLAUSE_FINALLY;
9492 mono_loader_lock ();
9494 if (!enter_method) {
9495 MonoMethodDesc *desc;
9497 desc = mono_method_desc_new ("Monitor:Enter", FALSE);
9498 enter_method = mono_method_desc_search_in_class (desc, mono_defaults.monitor_class);
9499 g_assert (enter_method);
9500 mono_method_desc_free (desc);
9502 desc = mono_method_desc_new ("Monitor:Exit", FALSE);
9503 exit_method = mono_method_desc_search_in_class (desc, mono_defaults.monitor_class);
9504 g_assert (exit_method);
9505 mono_method_desc_free (desc);
9507 desc = mono_method_desc_new ("Type:GetTypeFromHandle", FALSE);
9508 gettypefromhandle_method = mono_method_desc_search_in_class (desc, mono_defaults.monotype_class->parent);
9509 g_assert (gettypefromhandle_method);
9510 mono_method_desc_free (desc);
9513 mono_loader_unlock ();
9515 /* Push this or the type object */
9516 if (method->flags & METHOD_ATTRIBUTE_STATIC) {
9517 /* We have special handling for this in the JIT */
9518 int index = mono_mb_add_data (mb, method->klass);
9519 mono_mb_add_data (mb, mono_defaults.typehandle_class);
9520 mono_mb_emit_byte (mb, CEE_LDTOKEN);
9521 mono_mb_emit_i4 (mb, index);
9523 mono_mb_emit_managed_call (mb, gettypefromhandle_method, NULL);
9526 mono_mb_emit_ldarg (mb, 0);
9527 mono_mb_emit_stloc (mb, this_local);
9529 /* Call Monitor::Enter() */
9530 mono_mb_emit_ldloc (mb, this_local);
9531 mono_mb_emit_managed_call (mb, enter_method, NULL);
9533 clause->try_offset = mono_mb_get_label (mb);
9535 /* Call the method */
9537 mono_mb_emit_ldarg (mb, 0);
9538 for (i = 0; i < sig->param_count; i++)
9539 mono_mb_emit_ldarg (mb, i + (sig->hasthis == TRUE));
9541 mono_mb_emit_managed_call (mb, method, NULL);
9543 if (!MONO_TYPE_IS_VOID (sig->ret))
9544 mono_mb_emit_stloc (mb, ret_local);
9546 pos = mono_mb_emit_branch (mb, CEE_LEAVE);
9548 clause->try_len = mono_mb_get_pos (mb) - clause->try_offset;
9549 clause->handler_offset = mono_mb_get_label (mb);
9551 /* Call Monitor::Exit() */
9552 mono_mb_emit_ldloc (mb, this_local);
9553 mono_mb_emit_managed_call (mb, exit_method, NULL);
9554 mono_mb_emit_byte (mb, CEE_ENDFINALLY);
9556 clause->handler_len = mono_mb_get_pos (mb) - clause->handler_offset;
9558 mono_mb_patch_branch (mb, pos);
9559 if (!MONO_TYPE_IS_VOID (sig->ret))
9560 mono_mb_emit_ldloc (mb, ret_local);
9561 mono_mb_emit_byte (mb, CEE_RET);
9563 mono_mb_set_clauses (mb, 1, clause);
9565 res = mono_mb_create_and_cache (cache, method,
9566 mb, sig, sig->param_count + 16);
9574 * the returned method calls 'method' unboxing the this argument
9577 mono_marshal_get_unbox_wrapper (MonoMethod *method)
9579 MonoMethodSignature *sig = mono_method_signature (method);
9581 MonoMethodBuilder *mb;
9585 cache = get_cache (&method->klass->image->unbox_wrapper_cache, mono_aligned_addr_hash, NULL);
9586 if ((res = mono_marshal_find_in_cache (cache, method)))
9589 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_UNBOX);
9591 g_assert (sig->hasthis);
9593 mono_mb_emit_ldarg (mb, 0);
9594 mono_mb_emit_icon (mb, sizeof (MonoObject));
9595 mono_mb_emit_byte (mb, CEE_ADD);
9596 for (i = 0; i < sig->param_count; ++i)
9597 mono_mb_emit_ldarg (mb, i + 1);
9598 mono_mb_emit_managed_call (mb, method, NULL);
9599 mono_mb_emit_byte (mb, CEE_RET);
9601 res = mono_mb_create_and_cache (cache, method,
9602 mb, sig, sig->param_count + 16);
9605 /* code_for (res); */
9611 STELEMREF_OBJECT, /*no check at all*/
9612 STELEMREF_SEALED_CLASS, /*check vtable->klass->element_type */
9613 STELEMREF_CLASS, /*only the klass->parents check*/
9614 STELEMREF_INTERFACE, /*interfaces without variant generic arguments. */
9615 STELEMREF_COMPLEX, /*arrays, MBR or types with variant generic args - go straight to icalls*/
9616 STELEMREF_KIND_COUNT
9619 static const char *strelemref_wrapper_name[] = {
9620 "object", "sealed_class", "class", "interface", "complex"
9624 is_monomorphic_array (MonoClass *klass)
9626 MonoClass *element_class;
9627 if (klass->rank != 1)
9630 element_class = klass->element_class;
9631 return (element_class->flags & TYPE_ATTRIBUTE_SEALED) || element_class->valuetype;
9635 get_virtual_stelemref_kind (MonoClass *element_class)
9637 if (element_class == mono_defaults.object_class)
9638 return STELEMREF_OBJECT;
9639 if (is_monomorphic_array (element_class))
9640 return STELEMREF_SEALED_CLASS;
9641 if (MONO_CLASS_IS_INTERFACE (element_class) && !mono_class_has_variant_generic_params (element_class))
9642 return STELEMREF_INTERFACE;
9643 /*Arrays are sealed but are covariant on their element type, We can't use any of the fast paths.*/
9644 if (element_class->marshalbyref || element_class->rank || mono_class_has_variant_generic_params (element_class))
9645 return STELEMREF_COMPLEX;
9646 if (element_class->flags & TYPE_ATTRIBUTE_SEALED)
9647 return STELEMREF_SEALED_CLASS;
9648 return STELEMREF_CLASS;
9652 load_array_element_address (MonoMethodBuilder *mb)
9654 mono_mb_emit_ldarg (mb, 0);
9655 mono_mb_emit_ldarg (mb, 1);
9656 mono_mb_emit_op (mb, CEE_LDELEMA, mono_defaults.object_class);
9660 load_array_class (MonoMethodBuilder *mb, int aklass)
9662 mono_mb_emit_ldarg (mb, 0);
9663 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
9664 mono_mb_emit_byte (mb, CEE_LDIND_I);
9665 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, klass));
9666 mono_mb_emit_byte (mb, CEE_LDIND_I);
9667 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, element_class));
9668 mono_mb_emit_byte (mb, CEE_LDIND_I);
9669 mono_mb_emit_stloc (mb, aklass);
9673 load_value_class (MonoMethodBuilder *mb, int vklass)
9675 mono_mb_emit_ldarg (mb, 2);
9676 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
9677 mono_mb_emit_byte (mb, CEE_LDIND_I);
9678 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, klass));
9679 mono_mb_emit_byte (mb, CEE_LDIND_I);
9680 mono_mb_emit_stloc (mb, vklass);
9685 record_slot_vstore (MonoObject *array, size_t index, MonoObject *value)
9687 char *name = mono_type_get_full_name (array->vtable->klass->element_class);
9688 printf ("slow vstore of %s\n", name);
9694 * The wrapper info for the wrapper contains the wrapper 'kind' + 1.
9697 * - Separate simple interfaces from variant interfaces or mbr types. This way we can avoid the icall for them.
9698 * - Emit a (new) mono bytecode that produces OP_COND_EXC_NE_UN to raise ArrayTypeMismatch
9699 * - Maybe mve some MonoClass field into the vtable to reduce the number of loads
9700 * - Add a case for arrays of arrays.
9703 mono_marshal_get_virtual_stelemref (MonoClass *array_class)
9705 static MonoMethod *cached_methods [STELEMREF_KIND_COUNT] = { NULL }; /*object iface sealed regular*/
9706 static MonoMethodSignature *signature;
9707 MonoMethodBuilder *mb;
9713 int aklass, vklass, vtable, uiid;
9714 int array_slot_addr;
9716 g_assert (array_class->rank == 1);
9717 kind = get_virtual_stelemref_kind (array_class->element_class);
9719 if (cached_methods [kind])
9720 return cached_methods [kind];
9722 name = g_strdup_printf ("virt_stelemref_%s", strelemref_wrapper_name [kind]);
9723 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_STELEMREF);
9727 MonoMethodSignature *sig = mono_metadata_signature_alloc (mono_defaults.corlib, 2);
9729 /* void this::stelemref (size_t idx, void* value) */
9730 sig->ret = &mono_defaults.void_class->byval_arg;
9731 sig->hasthis = TRUE;
9732 sig->params [0] = &mono_defaults.int_class->byval_arg; /* this is a natural sized int */
9733 sig->params [1] = &mono_defaults.object_class->byval_arg;
9737 /*For now simply call plain old stelemref*/
9739 case STELEMREF_OBJECT:
9740 /* ldelema (implicit bound check) */
9741 load_array_element_address (mb);
9743 mono_mb_emit_ldarg (mb, 2);
9744 mono_mb_emit_byte (mb, CEE_STIND_REF);
9745 mono_mb_emit_byte (mb, CEE_RET);
9748 case STELEMREF_COMPLEX:
9750 <ldelema (bound check)>
9753 if (!mono_object_isinst (value, aklass))
9757 *array_slot_addr = value;
9760 throw new ArrayTypeMismatchException ();
9763 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9764 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
9768 /*Use this to debug/record stores that are going thru the slow path*/
9769 MonoMethodSignature *csig;
9770 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
9771 csig->ret = &mono_defaults.void_class->byval_arg;
9772 csig->params [0] = &mono_defaults.object_class->byval_arg;
9773 csig->params [1] = &mono_defaults.int_class->byval_arg; /* this is a natural sized int */
9774 csig->params [2] = &mono_defaults.object_class->byval_arg;
9775 mono_mb_emit_ldarg (mb, 0);
9776 mono_mb_emit_ldarg (mb, 1);
9777 mono_mb_emit_ldarg (mb, 2);
9778 mono_mb_emit_native_call (mb, csig, record_slot_vstore);
9782 /* ldelema (implicit bound check) */
9783 load_array_element_address (mb);
9784 mono_mb_emit_stloc (mb, array_slot_addr);
9786 /* if (!value) goto do_store */
9787 mono_mb_emit_ldarg (mb, 2);
9788 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
9790 /* aklass = array->vtable->klass->element_class */
9791 load_array_class (mb, aklass);
9793 /*if (mono_object_isinst (value, aklass)) */
9794 mono_mb_emit_ldarg (mb, 2);
9795 mono_mb_emit_ldloc (mb, aklass);
9796 mono_mb_emit_icall (mb, mono_object_isinst);
9797 b2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
9800 mono_mb_patch_branch (mb, b1);
9801 mono_mb_emit_ldloc (mb, array_slot_addr);
9802 mono_mb_emit_ldarg (mb, 2);
9803 mono_mb_emit_byte (mb, CEE_STIND_REF);
9804 mono_mb_emit_byte (mb, CEE_RET);
9807 mono_mb_patch_branch (mb, b2);
9809 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
9812 case STELEMREF_SEALED_CLASS:
9814 <ldelema (bound check)>
9818 aklass = array->vtable->klass->element_class;
9819 vklass = value->vtable->klass;
9821 if (vklass != aklass)
9825 *array_slot_addr = value;
9828 throw new ArrayTypeMismatchException ();
9830 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9831 vklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9832 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
9835 /* ldelema (implicit bound check) */
9836 load_array_element_address (mb);
9837 mono_mb_emit_stloc (mb, array_slot_addr);
9839 /* if (!value) goto do_store */
9840 mono_mb_emit_ldarg (mb, 2);
9841 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
9843 /* aklass = array->vtable->klass->element_class */
9844 load_array_class (mb, aklass);
9846 /* vklass = value->vtable->klass */
9847 load_value_class (mb, vklass);
9849 /*if (vklass != aklass) goto do_exception; */
9850 mono_mb_emit_ldloc (mb, aklass);
9851 mono_mb_emit_ldloc (mb, vklass);
9852 b2 = mono_mb_emit_branch (mb, CEE_BNE_UN);
9855 mono_mb_patch_branch (mb, b1);
9856 mono_mb_emit_ldloc (mb, array_slot_addr);
9857 mono_mb_emit_ldarg (mb, 2);
9858 mono_mb_emit_byte (mb, CEE_STIND_REF);
9859 mono_mb_emit_byte (mb, CEE_RET);
9862 mono_mb_patch_branch (mb, b2);
9863 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
9866 case STELEMREF_CLASS:
9869 <ldelema (bound check)>
9873 aklass = array->vtable->klass->element_class;
9874 vklass = value->vtable->klass;
9876 if (vklass->idepth < aklass->idepth)
9879 if (vklass->supertypes [aklass->idepth - 1] != aklass)
9883 *array_slot_addr = value;
9887 throw new ArrayTypeMismatchException ();
9889 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9890 vklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9891 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
9893 /* ldelema (implicit bound check) */
9894 load_array_element_address (mb);
9895 mono_mb_emit_stloc (mb, array_slot_addr);
9897 /* if (!value) goto do_store */
9898 mono_mb_emit_ldarg (mb, 2);
9899 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
9901 /* aklass = array->vtable->klass->element_class */
9902 load_array_class (mb, aklass);
9904 /* vklass = value->vtable->klass */
9905 load_value_class (mb, vklass);
9907 /*if (mono_object_isinst (value, aklass)) */
9908 mono_mb_emit_ldarg (mb, 2);
9909 mono_mb_emit_ldloc (mb, aklass);
9910 mono_mb_emit_icall (mb, mono_object_isinst);
9911 b2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
9913 /* if (vklass->idepth < aklass->idepth) goto failue */
9914 mono_mb_emit_ldloc (mb, vklass);
9915 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
9916 mono_mb_emit_byte (mb, CEE_LDIND_U2);
9918 mono_mb_emit_ldloc (mb, aklass);
9919 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
9920 mono_mb_emit_byte (mb, CEE_LDIND_U2);
9922 b2 = mono_mb_emit_branch (mb, CEE_BLT_UN);
9924 /* if (vklass->supertypes [aklass->idepth - 1] != aklass) goto failure */
9925 mono_mb_emit_ldloc (mb, vklass);
9926 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, supertypes));
9927 mono_mb_emit_byte (mb, CEE_LDIND_I);
9929 mono_mb_emit_ldloc (mb, aklass);
9930 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
9931 mono_mb_emit_byte (mb, CEE_LDIND_U2);
9932 mono_mb_emit_icon (mb, 1);
9933 mono_mb_emit_byte (mb, CEE_SUB);
9934 mono_mb_emit_icon (mb, sizeof (void*));
9935 mono_mb_emit_byte (mb, CEE_MUL);
9936 mono_mb_emit_byte (mb, CEE_ADD);
9937 mono_mb_emit_byte (mb, CEE_LDIND_I);
9939 mono_mb_emit_ldloc (mb, aklass);
9940 b3 = mono_mb_emit_branch (mb, CEE_BNE_UN);
9943 mono_mb_patch_branch (mb, b1);
9944 mono_mb_emit_ldloc (mb, array_slot_addr);
9945 mono_mb_emit_ldarg (mb, 2);
9946 mono_mb_emit_byte (mb, CEE_STIND_REF);
9947 mono_mb_emit_byte (mb, CEE_RET);
9950 mono_mb_patch_branch (mb, b2);
9951 mono_mb_patch_branch (mb, b3);
9953 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
9956 case STELEMREF_INTERFACE:
9963 klass = array->obj.vtable->klass->element_class;
9965 uiid = klass->interface_id;
9966 if (uiid > vt->max_interface_id)
9968 if (!(vt->interface_bitmap [(uiid) >> 3] & (1 << ((uiid)&7))))
9971 mono_array_setref (array, index, value);
9974 mono_raise_exception (mono_get_exception_array_type_mismatch ());*/
9976 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
9977 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9978 vtable = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9979 uiid = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
9981 /* ldelema (implicit bound check) */
9982 load_array_element_address (mb);
9983 mono_mb_emit_stloc (mb, array_slot_addr);
9985 /* if (!value) goto do_store */
9986 mono_mb_emit_ldarg (mb, 2);
9987 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
9989 /* klass = array->vtable->klass->element_class */
9990 load_array_class (mb, aklass);
9992 /* vt = value->vtable */
9993 mono_mb_emit_ldarg (mb, 2);
9994 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
9995 mono_mb_emit_byte (mb, CEE_LDIND_I);
9996 mono_mb_emit_stloc (mb, vtable);
9998 /* uiid = klass->interface_id; */
9999 mono_mb_emit_ldloc (mb, aklass);
10000 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, interface_id));
10001 mono_mb_emit_byte (mb, CEE_LDIND_U2);
10002 mono_mb_emit_stloc (mb, uiid);
10004 /*if (uiid > vt->max_interface_id)*/
10005 mono_mb_emit_ldloc (mb, uiid);
10006 mono_mb_emit_ldloc (mb, vtable);
10007 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, max_interface_id));
10008 mono_mb_emit_byte (mb, CEE_LDIND_U2);
10009 b2 = mono_mb_emit_branch (mb, CEE_BGT_UN);
10011 /* if (!(vt->interface_bitmap [(uiid) >> 3] & (1 << ((uiid)&7)))) */
10013 /*vt->interface_bitmap*/
10014 mono_mb_emit_ldloc (mb, vtable);
10015 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, interface_bitmap));
10016 mono_mb_emit_byte (mb, CEE_LDIND_I);
10019 mono_mb_emit_ldloc (mb, uiid);
10020 mono_mb_emit_icon (mb, 3);
10021 mono_mb_emit_byte (mb, CEE_SHR_UN);
10023 /*vt->interface_bitmap [(uiid) >> 3]*/
10024 mono_mb_emit_byte (mb, CEE_ADD); /*interface_bitmap is a guint8 array*/
10025 mono_mb_emit_byte (mb, CEE_LDIND_U1);
10027 /*(1 << ((uiid)&7)))*/
10028 mono_mb_emit_icon (mb, 1);
10029 mono_mb_emit_ldloc (mb, uiid);
10030 mono_mb_emit_icon (mb, 7);
10031 mono_mb_emit_byte (mb, CEE_AND);
10032 mono_mb_emit_byte (mb, CEE_SHL);
10034 /*bitwise and the whole thing*/
10035 mono_mb_emit_byte (mb, CEE_AND);
10036 b3 = mono_mb_emit_branch (mb, CEE_BRFALSE);
10039 mono_mb_patch_branch (mb, b1);
10040 mono_mb_emit_ldloc (mb, array_slot_addr);
10041 mono_mb_emit_ldarg (mb, 2);
10042 mono_mb_emit_byte (mb, CEE_STIND_REF);
10043 mono_mb_emit_byte (mb, CEE_RET);
10045 /* do_exception: */
10046 mono_mb_patch_branch (mb, b2);
10047 mono_mb_patch_branch (mb, b3);
10048 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
10052 mono_mb_emit_ldarg (mb, 0);
10053 mono_mb_emit_ldarg (mb, 1);
10054 mono_mb_emit_ldarg (mb, 2);
10055 mono_mb_emit_managed_call (mb, mono_marshal_get_stelemref (), NULL);
10056 mono_mb_emit_byte (mb, CEE_RET);
10060 res = mono_mb_create_method (mb, signature, 4);
10061 res->flags |= METHOD_ATTRIBUTE_VIRTUAL;
10062 mono_marshal_set_wrapper_info (res, GUINT_TO_POINTER (kind + 1));
10063 cached_methods [kind] = res;
10070 mono_marshal_get_stelemref ()
10072 static MonoMethod* ret = NULL;
10073 MonoMethodSignature *sig;
10074 MonoMethodBuilder *mb;
10076 guint32 b1, b2, b3, b4;
10078 int aklass, vklass;
10079 int array_slot_addr;
10084 mb = mono_mb_new (mono_defaults.object_class, "stelemref", MONO_WRAPPER_STELEMREF);
10087 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
10089 /* void stelemref (void* array, int idx, void* value) */
10090 sig->ret = &mono_defaults.void_class->byval_arg;
10091 sig->params [0] = &mono_defaults.object_class->byval_arg;
10092 sig->params [1] = &mono_defaults.int_class->byval_arg; /* this is a natural sized int */
10093 sig->params [2] = &mono_defaults.object_class->byval_arg;
10095 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10096 vklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10097 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
10101 <ldelema (bound check)>
10105 aklass = array->vtable->klass->element_class;
10106 vklass = value->vtable->klass;
10108 if (vklass->idepth < aklass->idepth)
10111 if (vklass->supertypes [aklass->idepth - 1] != aklass)
10115 *array_slot_addr = value;
10119 if (mono_object_isinst (value, aklass))
10122 throw new ArrayTypeMismatchException ();
10125 /* ldelema (implicit bound check) */
10126 mono_mb_emit_ldarg (mb, 0);
10127 mono_mb_emit_ldarg (mb, 1);
10128 mono_mb_emit_op (mb, CEE_LDELEMA, mono_defaults.object_class);
10129 mono_mb_emit_stloc (mb, array_slot_addr);
10131 /* if (!value) goto do_store */
10132 mono_mb_emit_ldarg (mb, 2);
10133 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
10135 /* aklass = array->vtable->klass->element_class */
10136 mono_mb_emit_ldarg (mb, 0);
10137 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
10138 mono_mb_emit_byte (mb, CEE_LDIND_I);
10139 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, klass));
10140 mono_mb_emit_byte (mb, CEE_LDIND_I);
10141 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, element_class));
10142 mono_mb_emit_byte (mb, CEE_LDIND_I);
10143 mono_mb_emit_stloc (mb, aklass);
10145 /* vklass = value->vtable->klass */
10146 mono_mb_emit_ldarg (mb, 2);
10147 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
10148 mono_mb_emit_byte (mb, CEE_LDIND_I);
10149 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, klass));
10150 mono_mb_emit_byte (mb, CEE_LDIND_I);
10151 mono_mb_emit_stloc (mb, vklass);
10153 /* if (vklass->idepth < aklass->idepth) goto failue */
10154 mono_mb_emit_ldloc (mb, vklass);
10155 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
10156 mono_mb_emit_byte (mb, CEE_LDIND_U2);
10158 mono_mb_emit_ldloc (mb, aklass);
10159 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
10160 mono_mb_emit_byte (mb, CEE_LDIND_U2);
10162 b2 = mono_mb_emit_branch (mb, CEE_BLT_UN);
10164 /* if (vklass->supertypes [aklass->idepth - 1] != aklass) goto failure */
10165 mono_mb_emit_ldloc (mb, vklass);
10166 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, supertypes));
10167 mono_mb_emit_byte (mb, CEE_LDIND_I);
10169 mono_mb_emit_ldloc (mb, aklass);
10170 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
10171 mono_mb_emit_byte (mb, CEE_LDIND_U2);
10172 mono_mb_emit_icon (mb, 1);
10173 mono_mb_emit_byte (mb, CEE_SUB);
10174 mono_mb_emit_icon (mb, sizeof (void*));
10175 mono_mb_emit_byte (mb, CEE_MUL);
10176 mono_mb_emit_byte (mb, CEE_ADD);
10177 mono_mb_emit_byte (mb, CEE_LDIND_I);
10179 mono_mb_emit_ldloc (mb, aklass);
10181 b3 = mono_mb_emit_branch (mb, CEE_BNE_UN);
10183 copy_pos = mono_mb_get_label (mb);
10185 mono_mb_patch_branch (mb, b1);
10186 mono_mb_emit_ldloc (mb, array_slot_addr);
10187 mono_mb_emit_ldarg (mb, 2);
10188 mono_mb_emit_byte (mb, CEE_STIND_REF);
10190 mono_mb_emit_byte (mb, CEE_RET);
10193 mono_mb_patch_branch (mb, b2);
10194 mono_mb_patch_branch (mb, b3);
10196 mono_mb_emit_ldarg (mb, 2);
10197 mono_mb_emit_ldloc (mb, aklass);
10198 mono_mb_emit_icall (mb, mono_object_isinst);
10200 b4 = mono_mb_emit_branch (mb, CEE_BRTRUE);
10201 mono_mb_patch_addr (mb, b4, copy_pos - (b4 + 4));
10202 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
10204 mono_mb_emit_byte (mb, CEE_RET);
10205 ret = mono_mb_create_method (mb, sig, 4);
10213 MonoMethod *method;
10216 /* LOCKING: vars accessed under the marshal lock */
10217 static ArrayElemAddr *elem_addr_cache = NULL;
10218 static int elem_addr_cache_size = 0;
10219 static int elem_addr_cache_next = 0;
10222 * mono_marshal_get_array_address:
10223 * @rank: rank of the array type
10224 * @elem_size: size in bytes of an element of an array.
10226 * Returns a MonoMethd that implements the code to get the address
10227 * of an element in a multi-dimenasional array of @rank dimensions.
10228 * The returned method takes an array as the first argument and then
10229 * @rank indexes for the @rank dimensions.
10232 mono_marshal_get_array_address (int rank, int elem_size)
10235 MonoMethodBuilder *mb;
10236 MonoMethodSignature *sig;
10237 int i, bounds, ind, realidx;
10238 int branch_pos, *branch_positions;
10242 mono_marshal_lock ();
10243 for (i = 0; i < elem_addr_cache_next; ++i) {
10244 if (elem_addr_cache [i].rank == rank && elem_addr_cache [i].elem_size == elem_size) {
10245 ret = elem_addr_cache [i].method;
10249 mono_marshal_unlock ();
10253 branch_positions = g_new0 (int, rank);
10255 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1 + rank);
10257 /* void* address (void* array, int idx0, int idx1, int idx2, ...) */
10258 sig->ret = &mono_defaults.int_class->byval_arg;
10259 sig->params [0] = &mono_defaults.object_class->byval_arg;
10260 for (i = 0; i < rank; ++i) {
10261 sig->params [i + 1] = &mono_defaults.int32_class->byval_arg;
10264 mb = mono_mb_new (mono_defaults.object_class, "ElementAddr", MONO_WRAPPER_MANAGED_TO_MANAGED);
10266 bounds = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10267 ind = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
10268 realidx = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
10270 /* bounds = array->bounds; */
10271 mono_mb_emit_ldarg (mb, 0);
10272 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoArray, bounds));
10273 mono_mb_emit_byte (mb, CEE_LDIND_I);
10274 mono_mb_emit_stloc (mb, bounds);
10276 /* ind is the overall element index, realidx is the partial index in a single dimension */
10277 /* ind = idx0 - bounds [0].lower_bound */
10278 mono_mb_emit_ldarg (mb, 1);
10279 mono_mb_emit_ldloc (mb, bounds);
10280 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArrayBounds, lower_bound));
10281 mono_mb_emit_byte (mb, CEE_ADD);
10282 mono_mb_emit_byte (mb, CEE_LDIND_I4);
10283 mono_mb_emit_byte (mb, CEE_SUB);
10284 mono_mb_emit_stloc (mb, ind);
10285 /* if (ind >= bounds [0].length) goto exeception; */
10286 mono_mb_emit_ldloc (mb, ind);
10287 mono_mb_emit_ldloc (mb, bounds);
10288 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArrayBounds, length));
10289 mono_mb_emit_byte (mb, CEE_ADD);
10290 mono_mb_emit_byte (mb, CEE_LDIND_I4);
10291 /* note that we use unsigned comparison */
10292 branch_pos = mono_mb_emit_branch (mb, CEE_BGE_UN);
10294 /* For large ranks (> 4?) use a loop n IL later to reduce code size.
10295 * We could also decide to ignore the passed elem_size and get it
10296 * from the array object, to reduce the number of methods we generate:
10297 * the additional cost is 3 memory loads and a non-immediate mul.
10299 for (i = 1; i < rank; ++i) {
10300 /* realidx = idxi - bounds [i].lower_bound */
10301 mono_mb_emit_ldarg (mb, 1 + i);
10302 mono_mb_emit_ldloc (mb, bounds);
10303 mono_mb_emit_icon (mb, (i * sizeof (MonoArrayBounds)) + G_STRUCT_OFFSET (MonoArrayBounds, lower_bound));
10304 mono_mb_emit_byte (mb, CEE_ADD);
10305 mono_mb_emit_byte (mb, CEE_LDIND_I4);
10306 mono_mb_emit_byte (mb, CEE_SUB);
10307 mono_mb_emit_stloc (mb, realidx);
10308 /* if (realidx >= bounds [i].length) goto exeception; */
10309 mono_mb_emit_ldloc (mb, realidx);
10310 mono_mb_emit_ldloc (mb, bounds);
10311 mono_mb_emit_icon (mb, (i * sizeof (MonoArrayBounds)) + G_STRUCT_OFFSET (MonoArrayBounds, length));
10312 mono_mb_emit_byte (mb, CEE_ADD);
10313 mono_mb_emit_byte (mb, CEE_LDIND_I4);
10314 branch_positions [i] = mono_mb_emit_branch (mb, CEE_BGE_UN);
10315 /* ind = ind * bounds [i].length + realidx */
10316 mono_mb_emit_ldloc (mb, ind);
10317 mono_mb_emit_ldloc (mb, bounds);
10318 mono_mb_emit_icon (mb, (i * sizeof (MonoArrayBounds)) + G_STRUCT_OFFSET (MonoArrayBounds, length));
10319 mono_mb_emit_byte (mb, CEE_ADD);
10320 mono_mb_emit_byte (mb, CEE_LDIND_I4);
10321 mono_mb_emit_byte (mb, CEE_MUL);
10322 mono_mb_emit_ldloc (mb, realidx);
10323 mono_mb_emit_byte (mb, CEE_ADD);
10324 mono_mb_emit_stloc (mb, ind);
10327 /* return array->vector + ind * element_size */
10328 mono_mb_emit_ldarg (mb, 0);
10329 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoArray, vector));
10330 mono_mb_emit_ldloc (mb, ind);
10331 mono_mb_emit_icon (mb, elem_size);
10332 mono_mb_emit_byte (mb, CEE_MUL);
10333 mono_mb_emit_byte (mb, CEE_ADD);
10334 mono_mb_emit_byte (mb, CEE_RET);
10336 /* patch the branches to get here and throw */
10337 for (i = 1; i < rank; ++i) {
10338 mono_mb_patch_branch (mb, branch_positions [i]);
10340 mono_mb_patch_branch (mb, branch_pos);
10341 /* throw exception */
10342 mono_mb_emit_exception (mb, "IndexOutOfRangeException", NULL);
10344 g_free (branch_positions);
10345 ret = mono_mb_create_method (mb, sig, 4);
10348 /* cache the result */
10350 mono_marshal_lock ();
10351 for (i = 0; i < elem_addr_cache_next; ++i) {
10352 if (elem_addr_cache [i].rank == rank && elem_addr_cache [i].elem_size == elem_size) {
10353 /* FIXME: free ret */
10354 ret = elem_addr_cache [i].method;
10360 ElementAddrWrapperInfo *info;
10362 if (elem_addr_cache_next >= elem_addr_cache_size) {
10363 int new_size = elem_addr_cache_size + 4;
10364 ArrayElemAddr *new_array = g_new0 (ArrayElemAddr, new_size);
10365 memcpy (new_array, elem_addr_cache, elem_addr_cache_size * sizeof (ArrayElemAddr));
10366 g_free (elem_addr_cache);
10367 elem_addr_cache = new_array;
10368 elem_addr_cache_size = new_size;
10370 elem_addr_cache [elem_addr_cache_next].rank = rank;
10371 elem_addr_cache [elem_addr_cache_next].elem_size = elem_size;
10372 elem_addr_cache [elem_addr_cache_next].method = ret;
10374 info = mono_image_alloc0 (mono_defaults.corlib, sizeof (ElementAddrWrapperInfo));
10376 info->elem_size = elem_size;
10378 mono_marshal_set_wrapper_info (ret, info);
10380 mono_marshal_unlock ();
10385 mono_marshal_alloc (gulong size)
10390 res = CoTaskMemAlloc (size);
10392 res = g_try_malloc ((gulong)size);
10394 mono_gc_out_of_memory ((gulong)size);
10400 mono_marshal_free (gpointer ptr)
10403 CoTaskMemFree (ptr);
10410 mono_marshal_free_array (gpointer *ptr, int size)
10417 for (i = 0; i < size; i++)
10423 mono_marshal_string_to_utf16 (MonoString *s)
10425 return s ? mono_string_chars (s) : NULL;
10429 mono_marshal_string_to_utf16_copy (MonoString *s)
10434 gunichar2 *res = mono_marshal_alloc ((mono_string_length (s) * 2) + 2);
10435 memcpy (res, mono_string_chars (s), mono_string_length (s) * 2);
10436 res [mono_string_length (s)] = 0;
10442 * mono_marshal_set_last_error:
10444 * This function is invoked to set the last error value from a P/Invoke call
10445 * which has SetLastError set.
10448 mono_marshal_set_last_error (void)
10451 TlsSetValue (last_error_tls_id, GINT_TO_POINTER (GetLastError ()));
10453 TlsSetValue (last_error_tls_id, GINT_TO_POINTER (errno));
10458 mono_marshal_set_last_error_windows (int error)
10461 TlsSetValue (last_error_tls_id, GINT_TO_POINTER (error));
10466 ves_icall_System_Runtime_InteropServices_Marshal_copy_to_unmanaged (MonoArray *src, gint32 start_index,
10467 gpointer dest, gint32 length)
10472 MONO_ARCH_SAVE_REGS;
10474 MONO_CHECK_ARG_NULL (src);
10475 MONO_CHECK_ARG_NULL (dest);
10477 if (src->obj.vtable->klass->rank != 1)
10478 mono_raise_exception (mono_get_exception_argument ("array", "array is multi-dimensional"));
10479 if (start_index < 0)
10480 mono_raise_exception (mono_get_exception_argument ("startIndex", "Must be >= 0"));
10482 mono_raise_exception (mono_get_exception_argument ("length", "Must be >= 0"));
10483 if (start_index + length > mono_array_length (src))
10484 mono_raise_exception (mono_get_exception_argument ("length", "start_index + length > array length"));
10486 element_size = mono_array_element_size (src->obj.vtable->klass);
10488 /* no references should be involved */
10489 source_addr = mono_array_addr_with_size (src, element_size, start_index);
10491 memcpy (dest, source_addr, length * element_size);
10495 ves_icall_System_Runtime_InteropServices_Marshal_copy_from_unmanaged (gpointer src, gint32 start_index,
10496 MonoArray *dest, gint32 length)
10501 MONO_ARCH_SAVE_REGS;
10503 MONO_CHECK_ARG_NULL (src);
10504 MONO_CHECK_ARG_NULL (dest);
10506 if (dest->obj.vtable->klass->rank != 1)
10507 mono_raise_exception (mono_get_exception_argument ("array", "array is multi-dimensional"));
10508 if (start_index < 0)
10509 mono_raise_exception (mono_get_exception_argument ("startIndex", "Must be >= 0"));
10511 mono_raise_exception (mono_get_exception_argument ("length", "Must be >= 0"));
10512 if (start_index + length > mono_array_length (dest))
10513 mono_raise_exception (mono_get_exception_argument ("length", "start_index + length > array length"));
10515 element_size = mono_array_element_size (dest->obj.vtable->klass);
10517 /* no references should be involved */
10518 dest_addr = mono_array_addr_with_size (dest, element_size, start_index);
10520 memcpy (dest_addr, src, length * element_size);
10523 #if NO_UNALIGNED_ACCESS
10524 #define RETURN_UNALIGNED(type, addr) \
10527 memcpy(&val, p + offset, sizeof(val)); \
10530 #define WRITE_UNALIGNED(type, addr, val) \
10531 memcpy(addr, &val, sizeof(type))
10533 #define RETURN_UNALIGNED(type, addr) \
10534 return *(type*)(p + offset);
10535 #define WRITE_UNALIGNED(type, addr, val) \
10536 (*(type *)(addr) = (val))
10540 ves_icall_System_Runtime_InteropServices_Marshal_ReadIntPtr (gpointer ptr, gint32 offset)
10544 MONO_ARCH_SAVE_REGS;
10546 RETURN_UNALIGNED(gpointer, p + offset);
10550 ves_icall_System_Runtime_InteropServices_Marshal_ReadByte (gpointer ptr, gint32 offset)
10554 MONO_ARCH_SAVE_REGS;
10556 return *(unsigned char*)(p + offset);
10560 ves_icall_System_Runtime_InteropServices_Marshal_ReadInt16 (gpointer ptr, gint32 offset)
10564 MONO_ARCH_SAVE_REGS;
10566 RETURN_UNALIGNED(gint16, p + offset);
10570 ves_icall_System_Runtime_InteropServices_Marshal_ReadInt32 (gpointer ptr, gint32 offset)
10574 MONO_ARCH_SAVE_REGS;
10576 RETURN_UNALIGNED(gint32, p + offset);
10580 ves_icall_System_Runtime_InteropServices_Marshal_ReadInt64 (gpointer ptr, gint32 offset)
10584 MONO_ARCH_SAVE_REGS;
10586 RETURN_UNALIGNED(gint64, p + offset);
10590 ves_icall_System_Runtime_InteropServices_Marshal_WriteByte (gpointer ptr, gint32 offset, unsigned char val)
10594 MONO_ARCH_SAVE_REGS;
10596 *(unsigned char*)(p + offset) = val;
10600 ves_icall_System_Runtime_InteropServices_Marshal_WriteIntPtr (gpointer ptr, gint32 offset, gpointer val)
10604 MONO_ARCH_SAVE_REGS;
10606 WRITE_UNALIGNED(gpointer, p + offset, val);
10610 ves_icall_System_Runtime_InteropServices_Marshal_WriteInt16 (gpointer ptr, gint32 offset, gint16 val)
10614 MONO_ARCH_SAVE_REGS;
10616 WRITE_UNALIGNED(gint16, p + offset, val);
10620 ves_icall_System_Runtime_InteropServices_Marshal_WriteInt32 (gpointer ptr, gint32 offset, gint32 val)
10624 MONO_ARCH_SAVE_REGS;
10626 WRITE_UNALIGNED(gint32, p + offset, val);
10630 ves_icall_System_Runtime_InteropServices_Marshal_WriteInt64 (gpointer ptr, gint32 offset, gint64 val)
10634 MONO_ARCH_SAVE_REGS;
10636 WRITE_UNALIGNED(gint64, p + offset, val);
10640 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringAnsi (char *ptr)
10642 MONO_ARCH_SAVE_REGS;
10647 return mono_string_new (mono_domain_get (), ptr);
10651 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringAnsi_len (char *ptr, gint32 len)
10653 MONO_ARCH_SAVE_REGS;
10656 mono_raise_exception (mono_get_exception_argument_null ("ptr"));
10657 g_assert_not_reached ();
10660 return mono_string_new_len (mono_domain_get (), ptr, len);
10665 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringUni (guint16 *ptr)
10667 MonoDomain *domain = mono_domain_get ();
10671 MONO_ARCH_SAVE_REGS;
10679 return mono_string_new_utf16 (domain, ptr, len);
10683 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringUni_len (guint16 *ptr, gint32 len)
10685 MonoDomain *domain = mono_domain_get ();
10687 MONO_ARCH_SAVE_REGS;
10690 mono_raise_exception (mono_get_exception_argument_null ("ptr"));
10691 g_assert_not_reached ();
10694 return mono_string_new_utf16 (domain, ptr, len);
10699 ves_icall_System_Runtime_InteropServices_Marshal_GetLastWin32Error (void)
10701 MONO_ARCH_SAVE_REGS;
10703 return (GPOINTER_TO_INT (TlsGetValue (last_error_tls_id)));
10707 ves_icall_System_Runtime_InteropServices_Marshal_SizeOf (MonoReflectionType *rtype)
10713 MONO_ARCH_SAVE_REGS;
10715 MONO_CHECK_ARG_NULL (rtype);
10717 type = rtype->type;
10718 klass = mono_class_from_mono_type (type);
10719 if (!mono_class_init (klass))
10720 mono_raise_exception (mono_class_get_exception_for_failure (klass));
10722 layout = (klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK);
10724 if (layout == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
10726 MonoException *exc;
10728 msg = g_strdup_printf ("Type %s cannot be marshaled as an unmanaged structure.", klass->name);
10729 exc = mono_get_exception_argument ("t", msg);
10731 mono_raise_exception (exc);
10735 return mono_class_native_size (klass, NULL);
10739 ves_icall_System_Runtime_InteropServices_Marshal_StructureToPtr (MonoObject *obj, gpointer dst, MonoBoolean delete_old)
10741 MonoMethod *method;
10744 MONO_ARCH_SAVE_REGS;
10746 MONO_CHECK_ARG_NULL (obj);
10747 MONO_CHECK_ARG_NULL (dst);
10749 method = mono_marshal_get_struct_to_ptr (obj->vtable->klass);
10753 pa [2] = &delete_old;
10755 mono_runtime_invoke (method, NULL, pa, NULL);
10759 ptr_to_structure (gpointer src, MonoObject *dst)
10761 MonoMethod *method;
10764 method = mono_marshal_get_ptr_to_struct (dst->vtable->klass);
10769 mono_runtime_invoke (method, NULL, pa, NULL);
10773 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure (gpointer src, MonoObject *dst)
10777 MONO_ARCH_SAVE_REGS;
10779 MONO_CHECK_ARG_NULL (src);
10780 MONO_CHECK_ARG_NULL (dst);
10782 t = mono_type_get_underlying_type (mono_class_get_type (dst->vtable->klass));
10784 if (t->type == MONO_TYPE_VALUETYPE) {
10785 MonoException *exc;
10788 tmp = g_strdup_printf ("Destination is a boxed value type.");
10789 exc = mono_get_exception_argument ("dst", tmp);
10792 mono_raise_exception (exc);
10796 ptr_to_structure (src, dst);
10800 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure_type (gpointer src, MonoReflectionType *type)
10803 MonoDomain *domain = mono_domain_get ();
10806 MONO_ARCH_SAVE_REGS;
10808 MONO_CHECK_ARG_NULL (src);
10809 MONO_CHECK_ARG_NULL (type);
10811 klass = mono_class_from_mono_type (type->type);
10812 if (!mono_class_init (klass))
10813 mono_raise_exception (mono_class_get_exception_for_failure (klass));
10815 res = mono_object_new (domain, klass);
10817 ptr_to_structure (src, res);
10823 ves_icall_System_Runtime_InteropServices_Marshal_OffsetOf (MonoReflectionType *type, MonoString *field_name)
10825 MonoMarshalType *info;
10828 int match_index = -1;
10830 MONO_ARCH_SAVE_REGS;
10832 MONO_CHECK_ARG_NULL (type);
10833 MONO_CHECK_ARG_NULL (field_name);
10835 fname = mono_string_to_utf8 (field_name);
10836 klass = mono_class_from_mono_type (type->type);
10837 if (!mono_class_init (klass))
10838 mono_raise_exception (mono_class_get_exception_for_failure (klass));
10840 while (klass && match_index == -1) {
10841 MonoClassField* field;
10843 gpointer iter = NULL;
10844 while ((field = mono_class_get_fields (klass, &iter))) {
10845 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
10847 if (!strcmp (fname, mono_field_get_name (field))) {
10854 if (match_index == -1)
10855 klass = klass->parent;
10860 if(match_index == -1) {
10861 MonoException* exc;
10864 /* Get back original class instance */
10865 klass = mono_class_from_mono_type (type->type);
10867 tmp = g_strdup_printf ("Field passed in is not a marshaled member of the type %s", klass->name);
10868 exc = mono_get_exception_argument ("fieldName", tmp);
10871 mono_raise_exception ((MonoException*)exc);
10874 info = mono_marshal_load_type_info (klass);
10875 return info->fields [match_index].offset;
10879 ves_icall_System_Runtime_InteropServices_Marshal_StringToHGlobalAnsi (MonoString *string)
10884 tres = mono_string_to_utf8 (string);
10888 len = strlen (tres) + 1;
10889 ret = ves_icall_System_Runtime_InteropServices_Marshal_AllocHGlobal (len);
10890 memcpy (ret, tres, len);
10895 return mono_string_to_utf8 (string);
10900 ves_icall_System_Runtime_InteropServices_Marshal_StringToHGlobalUni (MonoString *string)
10902 MONO_ARCH_SAVE_REGS;
10904 if (string == NULL)
10907 #ifdef TARGET_WIN32
10908 gunichar2 *res = ves_icall_System_Runtime_InteropServices_Marshal_AllocHGlobal
10909 ((mono_string_length (string) + 1) * 2);
10911 gunichar2 *res = g_malloc ((mono_string_length (string) + 1) * 2);
10913 memcpy (res, mono_string_chars (string), mono_string_length (string) * 2);
10914 res [mono_string_length (string)] = 0;
10920 mono_struct_delete_old (MonoClass *klass, char *ptr)
10922 MonoMarshalType *info;
10925 info = mono_marshal_load_type_info (klass);
10927 for (i = 0; i < info->num_fields; i++) {
10928 MonoMarshalNative ntype;
10929 MonoMarshalConv conv;
10930 MonoType *ftype = info->fields [i].field->type;
10933 if (ftype->attrs & FIELD_ATTRIBUTE_STATIC)
10936 ntype = mono_type_to_unmanaged (ftype, info->fields [i].mspec, TRUE,
10937 klass->unicode, &conv);
10939 cpos = ptr + info->fields [i].offset;
10942 case MONO_MARSHAL_CONV_NONE:
10943 if (MONO_TYPE_ISSTRUCT (ftype)) {
10944 mono_struct_delete_old (ftype->data.klass, cpos);
10948 case MONO_MARSHAL_CONV_STR_LPWSTR:
10949 /* We assume this field points inside a MonoString */
10951 case MONO_MARSHAL_CONV_STR_LPTSTR:
10952 #ifdef TARGET_WIN32
10953 /* We assume this field points inside a MonoString
10957 case MONO_MARSHAL_CONV_STR_LPSTR:
10958 case MONO_MARSHAL_CONV_STR_BSTR:
10959 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
10960 case MONO_MARSHAL_CONV_STR_TBSTR:
10961 mono_marshal_free (*(gpointer *)cpos);
10971 ves_icall_System_Runtime_InteropServices_Marshal_DestroyStructure (gpointer src, MonoReflectionType *type)
10975 MONO_ARCH_SAVE_REGS;
10977 MONO_CHECK_ARG_NULL (src);
10978 MONO_CHECK_ARG_NULL (type);
10980 klass = mono_class_from_mono_type (type->type);
10981 if (!mono_class_init (klass))
10982 mono_raise_exception (mono_class_get_exception_for_failure (klass));
10984 mono_struct_delete_old (klass, (char *)src);
10988 ves_icall_System_Runtime_InteropServices_Marshal_AllocHGlobal (int size)
10992 MONO_ARCH_SAVE_REGS;
10994 if ((gulong)size == 0)
10995 /* This returns a valid pointer for size 0 on MS.NET */
10999 res = GlobalAlloc (GMEM_FIXED, (gulong)size);
11001 res = g_try_malloc ((gulong)size);
11004 mono_gc_out_of_memory ((gulong)size);
11010 ves_icall_System_Runtime_InteropServices_Marshal_ReAllocHGlobal (gpointer ptr, int size)
11015 mono_gc_out_of_memory ((gulong)size);
11020 res = GlobalReAlloc (ptr, (gulong)size, GMEM_MOVEABLE);
11022 res = g_try_realloc (ptr, (gulong)size);
11025 mono_gc_out_of_memory ((gulong)size);
11031 ves_icall_System_Runtime_InteropServices_Marshal_FreeHGlobal (void *ptr)
11033 MONO_ARCH_SAVE_REGS;
11043 ves_icall_System_Runtime_InteropServices_Marshal_AllocCoTaskMem (int size)
11045 MONO_ARCH_SAVE_REGS;
11048 return CoTaskMemAlloc (size);
11050 return g_try_malloc ((gulong)size);
11055 ves_icall_System_Runtime_InteropServices_Marshal_FreeCoTaskMem (void *ptr)
11057 MONO_ARCH_SAVE_REGS;
11060 CoTaskMemFree (ptr);
11067 ves_icall_System_Runtime_InteropServices_Marshal_ReAllocCoTaskMem (gpointer ptr, int size)
11069 MONO_ARCH_SAVE_REGS;
11072 return CoTaskMemRealloc (ptr, size);
11074 return g_try_realloc (ptr, (gulong)size);
11079 ves_icall_System_Runtime_InteropServices_Marshal_UnsafeAddrOfPinnedArrayElement (MonoArray *arrayobj, int index)
11081 return mono_array_addr_with_size (arrayobj, mono_array_element_size (arrayobj->obj.vtable->klass), index);
11085 ves_icall_System_Runtime_InteropServices_Marshal_GetDelegateForFunctionPointerInternal (void *ftn, MonoReflectionType *type)
11087 MonoClass *klass = mono_type_get_class (type->type);
11088 if (!mono_class_init (klass))
11089 mono_raise_exception (mono_class_get_exception_for_failure (klass));
11091 return mono_ftnptr_to_delegate (klass, ftn);
11095 * mono_marshal_is_loading_type_info:
11097 * Return whenever mono_marshal_load_type_info () is being executed for KLASS by this
11101 mono_marshal_is_loading_type_info (MonoClass *klass)
11103 GSList *loads_list = TlsGetValue (load_type_info_tls_id);
11105 return g_slist_find (loads_list, klass) != NULL;
11109 * mono_marshal_load_type_info:
11111 * Initialize klass->marshal_info using information from metadata. This function can
11112 * recursively call itself, and the caller is responsible to avoid that by calling
11113 * mono_marshal_is_loading_type_info () beforehand.
11115 * LOCKING: Acquires the loader lock.
11118 mono_marshal_load_type_info (MonoClass* klass)
11121 guint32 native_size = 0, min_align = 1, packing;
11122 MonoMarshalType *info;
11123 MonoClassField* field;
11126 GSList *loads_list;
11128 g_assert (klass != NULL);
11130 if (klass->marshal_info)
11131 return klass->marshal_info;
11133 if (!klass->inited)
11134 mono_class_init (klass);
11136 mono_loader_lock ();
11138 if (klass->marshal_info) {
11139 mono_loader_unlock ();
11140 return klass->marshal_info;
11144 * This function can recursively call itself, so we keep the list of classes which are
11145 * under initialization in a TLS list.
11147 g_assert (!mono_marshal_is_loading_type_info (klass));
11148 loads_list = TlsGetValue (load_type_info_tls_id);
11149 loads_list = g_slist_prepend (loads_list, klass);
11150 TlsSetValue (load_type_info_tls_id, loads_list);
11153 while ((field = mono_class_get_fields (klass, &iter))) {
11154 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
11156 if (mono_field_is_deleted (field))
11161 layout = klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK;
11163 /* The mempool is protected by the loader lock */
11164 info = mono_image_alloc0 (klass->image, MONO_SIZEOF_MARSHAL_TYPE + sizeof (MonoMarshalField) * count);
11165 info->num_fields = count;
11167 /* Try to find a size for this type in metadata */
11168 mono_metadata_packing_from_typedef (klass->image, klass->type_token, NULL, &native_size);
11170 if (klass->parent) {
11171 int parent_size = mono_class_native_size (klass->parent, NULL);
11173 /* Add parent size to real size */
11174 native_size += parent_size;
11175 info->native_size = parent_size;
11178 packing = klass->packing_size ? klass->packing_size : 8;
11181 while ((field = mono_class_get_fields (klass, &iter))) {
11185 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
11188 if (mono_field_is_deleted (field))
11190 if (field->type->attrs & FIELD_ATTRIBUTE_HAS_FIELD_MARSHAL)
11191 mono_metadata_field_info_with_mempool (klass->image, mono_metadata_token_index (mono_class_get_field_token (field)) - 1,
11192 NULL, NULL, &info->fields [j].mspec);
11194 info->fields [j].field = field;
11196 if ((mono_class_num_fields (klass) == 1) && (klass->instance_size == sizeof (MonoObject)) &&
11197 (strcmp (mono_field_get_name (field), "$PRIVATE$") == 0)) {
11198 /* This field is a hack inserted by MCS to empty structures */
11203 case TYPE_ATTRIBUTE_AUTO_LAYOUT:
11204 case TYPE_ATTRIBUTE_SEQUENTIAL_LAYOUT:
11205 size = mono_marshal_type_size (field->type, info->fields [j].mspec,
11206 &align, TRUE, klass->unicode);
11207 align = klass->packing_size ? MIN (klass->packing_size, align): align;
11208 min_align = MAX (align, min_align);
11209 info->fields [j].offset = info->native_size;
11210 info->fields [j].offset += align - 1;
11211 info->fields [j].offset &= ~(align - 1);
11212 info->native_size = info->fields [j].offset + size;
11214 case TYPE_ATTRIBUTE_EXPLICIT_LAYOUT:
11215 size = mono_marshal_type_size (field->type, info->fields [j].mspec,
11216 &align, TRUE, klass->unicode);
11217 min_align = packing;
11218 info->fields [j].offset = field->offset - sizeof (MonoObject);
11219 info->native_size = MAX (info->native_size, info->fields [j].offset + size);
11225 if (layout != TYPE_ATTRIBUTE_AUTO_LAYOUT) {
11226 info->native_size = MAX (native_size, info->native_size);
11228 * If the provided Size is equal or larger than the calculated size, and there
11229 * was no Pack attribute, we set min_align to 1 to avoid native_size being increased
11231 if (layout == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT)
11232 if (native_size && native_size == info->native_size && klass->packing_size == 0)
11236 if (info->native_size & (min_align - 1)) {
11237 info->native_size += min_align - 1;
11238 info->native_size &= ~(min_align - 1);
11241 info->min_align = min_align;
11243 /* Update the class's blittable info, if the layouts don't match */
11244 if (info->native_size != mono_class_value_size (klass, NULL))
11245 klass->blittable = FALSE;
11247 /* If this is an array type, ensure that we have element info */
11248 if (klass->rank && !mono_marshal_is_loading_type_info (klass->element_class)) {
11249 mono_marshal_load_type_info (klass->element_class);
11252 loads_list = TlsGetValue (load_type_info_tls_id);
11253 loads_list = g_slist_remove (loads_list, klass);
11254 TlsSetValue (load_type_info_tls_id, loads_list);
11256 /*We do double-checking locking on marshal_info */
11257 mono_memory_barrier ();
11259 klass->marshal_info = info;
11261 mono_loader_unlock ();
11263 return klass->marshal_info;
11267 * mono_class_native_size:
11270 * Returns: the native size of an object instance (when marshaled
11271 * to unmanaged code)
11274 mono_class_native_size (MonoClass *klass, guint32 *align)
11276 if (!klass->marshal_info) {
11277 if (mono_marshal_is_loading_type_info (klass)) {
11282 mono_marshal_load_type_info (klass);
11287 *align = klass->marshal_info->min_align;
11289 return klass->marshal_info->native_size;
11292 /* __alignof__ returns the preferred alignment of values not the actual alignment used by
11293 the compiler so is wrong e.g. for Linux where doubles are aligned on a 4 byte boundary
11294 but __alignof__ returns 8 - using G_STRUCT_OFFSET works better */
11295 #define ALIGNMENT(type) G_STRUCT_OFFSET(struct { char c; type x; }, x)
11298 * mono_type_native_stack_size:
11299 * @t: the type to return the size it uses on the stack
11301 * Returns: the number of bytes required to hold an instance of this
11302 * type on the native stack
11305 mono_type_native_stack_size (MonoType *t, guint32 *align)
11309 g_assert (t != NULL);
11315 *align = sizeof (gpointer);
11316 return sizeof (gpointer);
11320 case MONO_TYPE_BOOLEAN:
11321 case MONO_TYPE_CHAR:
11332 case MONO_TYPE_STRING:
11333 case MONO_TYPE_OBJECT:
11334 case MONO_TYPE_CLASS:
11335 case MONO_TYPE_SZARRAY:
11336 case MONO_TYPE_PTR:
11337 case MONO_TYPE_FNPTR:
11338 case MONO_TYPE_ARRAY:
11339 *align = sizeof (gpointer);
11340 return sizeof (gpointer);
11345 *align = ALIGNMENT (gdouble);
11349 *align = ALIGNMENT (glong);
11351 case MONO_TYPE_GENERICINST:
11352 if (!mono_type_generic_inst_is_valuetype (t)) {
11353 *align = sizeof (gpointer);
11354 return sizeof (gpointer);
11357 case MONO_TYPE_TYPEDBYREF:
11358 case MONO_TYPE_VALUETYPE: {
11360 MonoClass *klass = mono_class_from_mono_type (t);
11362 if (klass->enumtype)
11363 return mono_type_native_stack_size (mono_class_enum_basetype (klass), align);
11365 size = mono_class_native_size (klass, align);
11366 *align = *align + 3;
11376 g_error ("type 0x%02x unknown", t->type);
11382 mono_marshal_type_size (MonoType *type, MonoMarshalSpec *mspec, guint32 *align,
11383 gboolean as_field, gboolean unicode)
11385 MonoMarshalNative native_type = mono_type_to_unmanaged (type, mspec, as_field, unicode, NULL);
11388 switch (native_type) {
11389 case MONO_NATIVE_BOOLEAN:
11392 case MONO_NATIVE_I1:
11393 case MONO_NATIVE_U1:
11396 case MONO_NATIVE_I2:
11397 case MONO_NATIVE_U2:
11398 case MONO_NATIVE_VARIANTBOOL:
11401 case MONO_NATIVE_I4:
11402 case MONO_NATIVE_U4:
11403 case MONO_NATIVE_ERROR:
11406 case MONO_NATIVE_I8:
11407 case MONO_NATIVE_U8:
11408 *align = ALIGNMENT(guint64);
11410 case MONO_NATIVE_R4:
11413 case MONO_NATIVE_R8:
11414 *align = ALIGNMENT(double);
11416 case MONO_NATIVE_INT:
11417 case MONO_NATIVE_UINT:
11418 case MONO_NATIVE_LPSTR:
11419 case MONO_NATIVE_LPWSTR:
11420 case MONO_NATIVE_LPTSTR:
11421 case MONO_NATIVE_BSTR:
11422 case MONO_NATIVE_ANSIBSTR:
11423 case MONO_NATIVE_TBSTR:
11424 case MONO_NATIVE_LPARRAY:
11425 case MONO_NATIVE_SAFEARRAY:
11426 case MONO_NATIVE_IUNKNOWN:
11427 case MONO_NATIVE_IDISPATCH:
11428 case MONO_NATIVE_INTERFACE:
11429 case MONO_NATIVE_ASANY:
11430 case MONO_NATIVE_FUNC:
11431 case MONO_NATIVE_LPSTRUCT:
11432 *align = ALIGNMENT(gpointer);
11433 return sizeof (gpointer);
11434 case MONO_NATIVE_STRUCT:
11435 klass = mono_class_from_mono_type (type);
11436 if (klass == mono_defaults.object_class &&
11437 (mspec && mspec->native == MONO_NATIVE_STRUCT)) {
11441 return mono_class_native_size (klass, align);
11442 case MONO_NATIVE_BYVALTSTR: {
11443 int esize = unicode ? 2: 1;
11446 return mspec->data.array_data.num_elem * esize;
11448 case MONO_NATIVE_BYVALARRAY: {
11449 // FIXME: Have to consider ArraySubType
11451 klass = mono_class_from_mono_type (type);
11452 if (klass->element_class == mono_defaults.char_class) {
11453 esize = unicode ? 2 : 1;
11456 esize = mono_class_native_size (klass->element_class, align);
11459 return mspec->data.array_data.num_elem * esize;
11461 case MONO_NATIVE_CUSTOM:
11462 *align = sizeof (gpointer);
11463 return sizeof (gpointer);
11465 case MONO_NATIVE_CURRENCY:
11466 case MONO_NATIVE_VBBYREFSTR:
11468 g_error ("native type %02x not implemented", native_type);
11471 g_assert_not_reached ();
11476 mono_marshal_asany (MonoObject *o, MonoMarshalNative string_encoding, int param_attrs)
11484 t = &o->vtable->klass->byval_arg;
11488 case MONO_TYPE_PTR:
11491 case MONO_TYPE_BOOLEAN:
11494 case MONO_TYPE_CHAR:
11499 return mono_object_unbox (o);
11501 case MONO_TYPE_STRING:
11502 switch (string_encoding) {
11503 case MONO_NATIVE_LPWSTR:
11504 return mono_marshal_string_to_utf16_copy ((MonoString*)o);
11506 case MONO_NATIVE_LPSTR:
11507 return mono_string_to_lpstr ((MonoString*)o);
11510 g_warning ("marshaling conversion %d not implemented", string_encoding);
11511 g_assert_not_reached ();
11514 case MONO_TYPE_CLASS:
11515 case MONO_TYPE_VALUETYPE: {
11516 MonoMethod *method;
11519 MonoBoolean delete_old = FALSE;
11521 klass = t->data.klass;
11523 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT)
11526 if (klass->valuetype && (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
11527 klass->blittable || klass->enumtype))
11528 return mono_object_unbox (o);
11530 res = mono_marshal_alloc (mono_class_native_size (klass, NULL));
11532 if (!((param_attrs & PARAM_ATTRIBUTE_OUT) && !(param_attrs & PARAM_ATTRIBUTE_IN))) {
11533 method = mono_marshal_get_struct_to_ptr (o->vtable->klass);
11537 pa [2] = &delete_old;
11539 mono_runtime_invoke (method, NULL, pa, NULL);
11546 mono_raise_exception (mono_get_exception_argument ("", "No PInvoke conversion exists for value passed to Object-typed parameter."));
11552 mono_marshal_free_asany (MonoObject *o, gpointer ptr, MonoMarshalNative string_encoding, int param_attrs)
11560 t = &o->vtable->klass->byval_arg;
11562 case MONO_TYPE_STRING:
11563 switch (string_encoding) {
11564 case MONO_NATIVE_LPWSTR:
11565 case MONO_NATIVE_LPSTR:
11566 mono_marshal_free (ptr);
11569 g_warning ("marshaling conversion %d not implemented", string_encoding);
11570 g_assert_not_reached ();
11573 case MONO_TYPE_CLASS:
11574 case MONO_TYPE_VALUETYPE: {
11575 klass = t->data.klass;
11577 if (klass->valuetype && (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
11578 klass->blittable || klass->enumtype))
11581 if (param_attrs & PARAM_ATTRIBUTE_OUT) {
11582 MonoMethod *method = mono_marshal_get_ptr_to_struct (o->vtable->klass);
11588 mono_runtime_invoke (method, NULL, pa, NULL);
11591 if (!((param_attrs & PARAM_ATTRIBUTE_OUT) && !(param_attrs & PARAM_ATTRIBUTE_IN))) {
11592 mono_struct_delete_old (klass, ptr);
11595 mono_marshal_free (ptr);
11604 mono_marshal_get_generic_array_helper (MonoClass *class, MonoClass *iface, gchar *name, MonoMethod *method)
11606 MonoMethodSignature *sig, *csig;
11607 MonoMethodBuilder *mb;
11611 mb = mono_mb_new_no_dup_name (class, name, MONO_WRAPPER_MANAGED_TO_MANAGED);
11612 mb->method->slot = -1;
11614 mb->method->flags = METHOD_ATTRIBUTE_PRIVATE | METHOD_ATTRIBUTE_VIRTUAL |
11615 METHOD_ATTRIBUTE_NEW_SLOT | METHOD_ATTRIBUTE_HIDE_BY_SIG | METHOD_ATTRIBUTE_FINAL;
11617 sig = mono_method_signature (method);
11618 csig = signature_dup (method->klass->image, sig);
11619 csig->generic_param_count = 0;
11621 mono_mb_emit_ldarg (mb, 0);
11622 for (i = 0; i < csig->param_count; i++)
11623 mono_mb_emit_ldarg (mb, i + 1);
11624 mono_mb_emit_managed_call (mb, method, NULL);
11625 mono_mb_emit_byte (mb, CEE_RET);
11627 /* We can corlib internal methods */
11628 mb->skip_visibility = TRUE;
11630 res = mono_mb_create_method (mb, csig, csig->param_count + 16);
11638 * The mono_win32_compat_* functions are implementations of inline
11639 * Windows kernel32 APIs, which are DllImport-able under MS.NET,
11640 * although not exported by kernel32.
11642 * We map the appropiate kernel32 entries to these functions using
11643 * dllmaps declared in the global etc/mono/config.
11647 mono_win32_compat_CopyMemory (gpointer dest, gconstpointer source, gsize length)
11649 if (!dest || !source)
11652 memcpy (dest, source, length);
11656 mono_win32_compat_FillMemory (gpointer dest, gsize length, guchar fill)
11658 memset (dest, fill, length);
11662 mono_win32_compat_MoveMemory (gpointer dest, gconstpointer source, gsize length)
11664 if (!dest || !source)
11667 memmove (dest, source, length);
11671 mono_win32_compat_ZeroMemory (gpointer dest, gsize length)
11673 memset (dest, 0, length);
11677 mono_marshal_find_nonzero_bit_offset (guint8 *buf, int len, int *byte_offset, guint8 *bitmask)
11682 for (i = 0; i < len; ++i)
11686 g_assert (i < len);
11689 while (byte && !(byte & 1))
11691 g_assert (byte == 1);
11694 *bitmask = buf [i];
11698 mono_marshal_get_thunk_invoke_wrapper (MonoMethod *method)
11700 MonoMethodBuilder *mb;
11701 MonoMethodSignature *sig, *csig;
11702 MonoExceptionClause *clause;
11707 int i, param_count, sig_size, pos_leave;
11711 klass = method->klass;
11712 image = method->klass->image;
11713 cache = get_cache (&image->thunk_invoke_cache, mono_aligned_addr_hash, NULL);
11715 if ((res = mono_marshal_find_in_cache (cache, method)))
11718 sig = mono_method_signature (method);
11719 mb = mono_mb_new (klass, method->name, MONO_WRAPPER_NATIVE_TO_MANAGED);
11721 /* add "this" and exception param */
11722 param_count = sig->param_count + sig->hasthis + 1;
11724 /* dup & extend signature */
11725 csig = mono_metadata_signature_alloc (image, param_count);
11726 sig_size = MONO_SIZEOF_METHOD_SIGNATURE + sig->param_count * sizeof (MonoType *);
11727 memcpy (csig, sig, sig_size);
11728 csig->param_count = param_count;
11731 csig->call_convention = MONO_CALL_DEFAULT;
11733 if (sig->hasthis) {
11735 csig->params [0] = &klass->byval_arg;
11736 /* move params up by one */
11737 for (i = 0; i < sig->param_count; i++)
11738 csig->params [i + 1] = sig->params [i];
11741 /* setup exception param as byref+[out] */
11742 csig->params [param_count - 1] = mono_metadata_type_dup (image,
11743 &mono_defaults.exception_class->byval_arg);
11744 csig->params [param_count - 1]->byref = 1;
11745 csig->params [param_count - 1]->attrs = PARAM_ATTRIBUTE_OUT;
11747 /* convert struct return to object */
11748 if (MONO_TYPE_ISSTRUCT (sig->ret))
11749 csig->ret = &mono_defaults.object_class->byval_arg;
11751 /* local 0 (temp for exception object) */
11752 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
11754 /* local 1 (temp for result) */
11755 if (!MONO_TYPE_IS_VOID (sig->ret))
11756 mono_mb_add_local (mb, sig->ret);
11758 /* clear exception arg */
11759 mono_mb_emit_ldarg (mb, param_count - 1);
11760 mono_mb_emit_byte (mb, CEE_LDNULL);
11761 mono_mb_emit_byte (mb, CEE_STIND_REF);
11764 clause = mono_image_alloc0 (image, sizeof (MonoExceptionClause));
11765 clause->try_offset = mono_mb_get_label (mb);
11767 /* push method's args */
11768 for (i = 0; i < param_count - 1; i++) {
11772 mono_mb_emit_ldarg (mb, i);
11774 /* get the byval type of the param */
11775 klass = mono_class_from_mono_type (csig->params [i]);
11776 type = &klass->byval_arg;
11778 /* unbox struct args */
11779 if (MONO_TYPE_ISSTRUCT (type)) {
11780 mono_mb_emit_op (mb, CEE_UNBOX, klass);
11782 /* byref args & and the "this" arg must remain a ptr.
11783 Otherwise make a copy of the value type */
11784 if (!(csig->params [i]->byref || (i == 0 && sig->hasthis)))
11785 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
11787 csig->params [i] = &mono_defaults.object_class->byval_arg;
11792 if (method->flags & METHOD_ATTRIBUTE_VIRTUAL)
11793 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
11795 mono_mb_emit_op (mb, CEE_CALL, method);
11797 /* save result at local 1 */
11798 if (!MONO_TYPE_IS_VOID (sig->ret))
11799 mono_mb_emit_stloc (mb, 1);
11801 pos_leave = mono_mb_emit_branch (mb, CEE_LEAVE);
11804 clause->flags = MONO_EXCEPTION_CLAUSE_NONE;
11805 clause->try_len = mono_mb_get_pos (mb) - clause->try_offset;
11806 clause->data.catch_class = mono_defaults.object_class;
11808 clause->handler_offset = mono_mb_get_label (mb);
11810 /* store exception at local 0 */
11811 mono_mb_emit_stloc (mb, 0);
11812 mono_mb_emit_ldarg (mb, param_count - 1);
11813 mono_mb_emit_ldloc (mb, 0);
11814 mono_mb_emit_byte (mb, CEE_STIND_REF);
11815 mono_mb_emit_branch (mb, CEE_LEAVE);
11817 clause->handler_len = mono_mb_get_pos (mb) - clause->handler_offset;
11819 mono_mb_set_clauses (mb, 1, clause);
11821 mono_mb_patch_branch (mb, pos_leave);
11824 if (!MONO_TYPE_IS_VOID (sig->ret)) {
11825 mono_mb_emit_ldloc (mb, 1);
11827 /* box the return value */
11828 if (MONO_TYPE_ISSTRUCT (sig->ret))
11829 mono_mb_emit_op (mb, CEE_BOX, mono_class_from_mono_type (sig->ret));
11832 mono_mb_emit_byte (mb, CEE_RET);
11834 res = mono_mb_create_and_cache (cache, method, mb, csig, param_count + 16);
11841 * mono_marshal_free_dynamic_wrappers:
11843 * Free wrappers of the dynamic method METHOD.
11846 mono_marshal_free_dynamic_wrappers (MonoMethod *method)
11848 MonoImage *image = method->klass->image;
11850 g_assert (method->dynamic);
11852 /* This could be called during shutdown */
11853 if (marshal_mutex_initialized)
11854 mono_marshal_lock ();
11856 * FIXME: We currently leak the wrappers. Freeing them would be tricky as
11857 * they could be shared with other methods ?
11859 if (image->runtime_invoke_direct_cache)
11860 g_hash_table_remove (image->runtime_invoke_direct_cache, method);
11861 if (image->delegate_bound_static_invoke_cache)
11862 g_hash_table_foreach_remove (image->delegate_bound_static_invoke_cache, signature_method_pair_matches_method, method);
11863 if (image->delegate_abstract_invoke_cache)
11864 g_hash_table_foreach_remove (image->delegate_abstract_invoke_cache, signature_method_pair_matches_method, method);
11866 if (marshal_mutex_initialized)
11867 mono_marshal_unlock ();
11871 * mono_marshal_free_inflated_wrappers:
11873 * Free wrappers of the inflated method METHOD.
11877 signature_method_pair_matches_signature (gpointer key, gpointer value, gpointer user_data)
11879 SignatureMethodPair *pair = (SignatureMethodPair*)key;
11880 MonoMethodSignature *sig = (MonoMethodSignature*)user_data;
11882 return mono_metadata_signature_equal (pair->sig, sig);
11886 mono_marshal_free_inflated_wrappers (MonoMethod *method)
11888 MonoMethodSignature *sig = method->signature;
11890 g_assert (method->is_inflated);
11892 /* Ignore calls occuring late during cleanup. */
11893 if (!marshal_mutex_initialized)
11896 mono_marshal_lock ();
11898 * FIXME: We currently leak the wrappers. Freeing them would be tricky as
11899 * they could be shared with other methods ?
11903 * indexed by MonoMethodSignature
11905 /* FIXME: This could remove unrelated wrappers as well */
11906 if (sig && method->klass->image->delegate_begin_invoke_cache)
11907 g_hash_table_remove (method->klass->image->delegate_begin_invoke_cache, sig);
11908 if (sig && method->klass->image->delegate_end_invoke_cache)
11909 g_hash_table_remove (method->klass->image->delegate_end_invoke_cache, sig);
11910 if (sig && method->klass->image->delegate_invoke_cache)
11911 g_hash_table_remove (method->klass->image->delegate_invoke_cache, sig);
11912 if (sig && method->klass->image->runtime_invoke_cache)
11913 g_hash_table_remove (method->klass->image->runtime_invoke_cache, sig);
11916 * indexed by SignatureMethodPair
11918 if (sig && method->klass->image->delegate_abstract_invoke_cache)
11919 g_hash_table_foreach_remove (method->klass->image->delegate_abstract_invoke_cache,
11920 signature_method_pair_matches_signature, (gpointer)sig);
11922 if (sig && method->klass->image->delegate_bound_static_invoke_cache)
11923 g_hash_table_foreach_remove (method->klass->image->delegate_bound_static_invoke_cache,
11924 signature_method_pair_matches_signature, (gpointer)sig);
11927 * indexed by MonoMethod pointers
11929 if (method->klass->image->runtime_invoke_direct_cache)
11930 g_hash_table_remove (method->klass->image->runtime_invoke_direct_cache, method);
11931 if (method->klass->image->managed_wrapper_cache)
11932 g_hash_table_remove (method->klass->image->managed_wrapper_cache, method);
11933 if (method->klass->image->native_wrapper_cache)
11934 g_hash_table_remove (method->klass->image->native_wrapper_cache, method);
11935 if (method->klass->image->remoting_invoke_cache)
11936 g_hash_table_remove (method->klass->image->remoting_invoke_cache, method);
11937 if (method->klass->image->synchronized_cache)
11938 g_hash_table_remove (method->klass->image->synchronized_cache, method);
11939 if (method->klass->image->unbox_wrapper_cache)
11940 g_hash_table_remove (method->klass->image->unbox_wrapper_cache, method);
11941 if (method->klass->image->cominterop_invoke_cache)
11942 g_hash_table_remove (method->klass->image->cominterop_invoke_cache, method);
11943 if (method->klass->image->cominterop_wrapper_cache)
11944 g_hash_table_remove (method->klass->image->cominterop_wrapper_cache, method);
11945 if (method->klass->image->thunk_invoke_cache)
11946 g_hash_table_remove (method->klass->image->thunk_invoke_cache, method);
11948 mono_marshal_unlock ();