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 emit_struct_conv_full (MonoMethodBuilder *mb, MonoClass *klass, gboolean to_object, MonoMarshalNative string_encoding);
93 mono_struct_delete_old (MonoClass *klass, char *ptr);
96 mono_marshal_string_to_utf16 (MonoString *s);
99 mono_marshal_string_to_utf16_copy (MonoString *s);
102 mono_string_to_lpstr (MonoString *string_obj);
104 static MonoStringBuilder *
105 mono_string_utf8_to_builder2 (char *text);
107 static MonoStringBuilder *
108 mono_string_utf16_to_builder2 (gunichar2 *text);
111 mono_string_new_len_wrapper (const char *text, guint length);
114 mono_byvalarray_to_array (MonoArray *arr, gpointer native_arr, MonoClass *eltype, guint32 elnum);
117 mono_array_to_byvalarray (gpointer native_arr, MonoArray *arr, MonoClass *eltype, guint32 elnum);
120 mono_remoting_wrapper (MonoMethod *method, gpointer *params);
122 static MonoAsyncResult *
123 mono_delegate_begin_invoke (MonoDelegate *delegate, gpointer *params);
126 mono_delegate_end_invoke (MonoDelegate *delegate, gpointer *params);
129 mono_marshal_xdomain_copy_out_value (MonoObject *src, MonoObject *dst);
132 mono_marshal_set_domain_by_id (gint32 id, MonoBoolean push);
135 mono_marshal_check_domain_image (gint32 domain_id, MonoImage *image);
138 mono_upgrade_remote_class_wrapper (MonoReflectionType *rtype, MonoTransparentProxy *tproxy);
140 static MonoReflectionType *
141 type_from_handle (MonoType *handle);
144 mono_marshal_set_last_error_windows (int error);
146 static void init_safe_handle (void);
148 /* MonoMethod pointers to SafeHandle::DangerousAddRef and ::DangerousRelease */
149 static MonoMethod *sh_dangerous_add_ref;
150 static MonoMethod *sh_dangerous_release;
156 sh_dangerous_add_ref = mono_class_get_method_from_name (
157 mono_defaults.safehandle_class, "DangerousAddRef", 1);
158 sh_dangerous_release = mono_class_get_method_from_name (
159 mono_defaults.safehandle_class, "DangerousRelease", 0);
163 register_icall (gpointer func, const char *name, const char *sigstr, gboolean save)
165 MonoMethodSignature *sig = mono_create_icall_signature (sigstr);
167 mono_register_jit_icall (func, name, sig, save);
170 static MonoMethodSignature*
171 signature_dup (MonoImage *image, MonoMethodSignature *sig)
173 MonoMethodSignature *res;
176 res = mono_metadata_signature_alloc (image, sig->param_count);
177 sigsize = MONO_SIZEOF_METHOD_SIGNATURE + sig->param_count * sizeof (MonoType *);
178 memcpy (res, sig, sigsize);
184 mono_signature_no_pinvoke (MonoMethod *method)
186 MonoMethodSignature *sig = mono_method_signature (method);
188 sig = signature_dup (method->klass->image, sig);
189 sig->pinvoke = FALSE;
196 mono_marshal_init (void)
198 static gboolean module_initialized = FALSE;
200 if (!module_initialized) {
201 module_initialized = TRUE;
202 InitializeCriticalSection (&marshal_mutex);
203 marshal_mutex_initialized = TRUE;
204 last_error_tls_id = TlsAlloc ();
205 load_type_info_tls_id = TlsAlloc ();
207 register_icall (ves_icall_System_Threading_Thread_ResetAbort, "ves_icall_System_Threading_Thread_ResetAbort", "void", TRUE);
208 register_icall (mono_marshal_string_to_utf16, "mono_marshal_string_to_utf16", "ptr obj", FALSE);
209 register_icall (mono_marshal_string_to_utf16_copy, "mono_marshal_string_to_utf16_copy", "ptr obj", FALSE);
210 register_icall (mono_string_to_utf16, "mono_string_to_utf16", "ptr obj", FALSE);
211 register_icall (mono_string_from_utf16, "mono_string_from_utf16", "obj ptr", FALSE);
212 register_icall (mono_string_new_wrapper, "mono_string_new_wrapper", "obj ptr", FALSE);
213 register_icall (mono_string_new_len_wrapper, "mono_string_new_len_wrapper", "obj ptr int", FALSE);
214 register_icall (mono_string_to_utf8, "mono_string_to_utf8", "ptr obj", FALSE);
215 register_icall (mono_string_to_lpstr, "mono_string_to_lpstr", "ptr obj", FALSE);
216 register_icall (mono_string_to_ansibstr, "mono_string_to_ansibstr", "ptr object", FALSE);
217 register_icall (mono_string_builder_to_utf8, "mono_string_builder_to_utf8", "ptr object", FALSE);
218 register_icall (mono_string_builder_to_utf16, "mono_string_builder_to_utf16", "ptr object", FALSE);
219 register_icall (mono_array_to_savearray, "mono_array_to_savearray", "ptr object", FALSE);
220 register_icall (mono_array_to_lparray, "mono_array_to_lparray", "ptr object", FALSE);
221 register_icall (mono_free_lparray, "mono_free_lparray", "void object ptr", FALSE);
222 register_icall (mono_byvalarray_to_array, "mono_byvalarray_to_array", "void object ptr ptr int32", FALSE);
223 register_icall (mono_array_to_byvalarray, "mono_array_to_byvalarray", "void ptr object ptr int32", FALSE);
224 register_icall (mono_delegate_to_ftnptr, "mono_delegate_to_ftnptr", "ptr object", FALSE);
225 register_icall (mono_ftnptr_to_delegate, "mono_ftnptr_to_delegate", "object ptr ptr", FALSE);
226 register_icall (mono_marshal_asany, "mono_marshal_asany", "ptr object int32 int32", FALSE);
227 register_icall (mono_marshal_free_asany, "mono_marshal_free_asany", "void object ptr int32 int32", FALSE);
228 register_icall (mono_marshal_alloc, "mono_marshal_alloc", "ptr int32", FALSE);
229 register_icall (mono_marshal_free, "mono_marshal_free", "void ptr", FALSE);
230 register_icall (mono_marshal_set_last_error, "mono_marshal_set_last_error", "void", FALSE);
231 register_icall (mono_marshal_set_last_error_windows, "mono_marshal_set_last_error_windows", "void int32", FALSE);
232 register_icall (mono_string_utf8_to_builder, "mono_string_utf8_to_builder", "void ptr ptr", FALSE);
233 register_icall (mono_string_utf8_to_builder2, "mono_string_utf8_to_builder2", "object ptr", FALSE);
234 register_icall (mono_string_utf16_to_builder, "mono_string_utf16_to_builder", "void ptr ptr", FALSE);
235 register_icall (mono_string_utf16_to_builder2, "mono_string_utf16_to_builder2", "object ptr", FALSE);
236 register_icall (mono_marshal_free_array, "mono_marshal_free_array", "void ptr int32", FALSE);
237 register_icall (mono_string_to_byvalstr, "mono_string_to_byvalstr", "void ptr ptr int32", FALSE);
238 register_icall (mono_string_to_byvalwstr, "mono_string_to_byvalwstr", "void ptr ptr int32", FALSE);
239 register_icall (g_free, "g_free", "void ptr", FALSE);
240 register_icall (mono_object_isinst, "mono_object_isinst", "object object ptr", FALSE);
241 register_icall (mono_struct_delete_old, "mono_struct_delete_old", "void ptr ptr", FALSE);
242 register_icall (mono_remoting_wrapper, "mono_remoting_wrapper", "object ptr ptr", FALSE);
243 register_icall (mono_delegate_begin_invoke, "mono_delegate_begin_invoke", "object object ptr", FALSE);
244 register_icall (mono_delegate_end_invoke, "mono_delegate_end_invoke", "object object ptr", FALSE);
245 register_icall (mono_marshal_xdomain_copy_value, "mono_marshal_xdomain_copy_value", "object object", FALSE);
246 register_icall (mono_marshal_xdomain_copy_out_value, "mono_marshal_xdomain_copy_out_value", "void object object", FALSE);
247 register_icall (mono_marshal_set_domain_by_id, "mono_marshal_set_domain_by_id", "int32 int32 int32", FALSE);
248 register_icall (mono_marshal_check_domain_image, "mono_marshal_check_domain_image", "int32 int32 ptr", FALSE);
249 register_icall (mono_compile_method, "mono_compile_method", "ptr ptr", FALSE);
250 register_icall (mono_context_get, "mono_context_get", "object", FALSE);
251 register_icall (mono_context_set, "mono_context_set", "void object", FALSE);
252 register_icall (mono_upgrade_remote_class_wrapper, "mono_upgrade_remote_class_wrapper", "void object object", FALSE);
253 register_icall (type_from_handle, "type_from_handle", "object ptr", FALSE);
254 register_icall (mono_gc_wbarrier_generic_nostore, "wb_generic", "void ptr", FALSE);
255 register_icall (mono_gchandle_get_target, "mono_gchandle_get_target", "object int32", TRUE);
257 mono_cominterop_init ();
262 mono_marshal_cleanup (void)
264 mono_cominterop_cleanup ();
266 TlsFree (load_type_info_tls_id);
267 TlsFree (last_error_tls_id);
268 DeleteCriticalSection (&marshal_mutex);
269 marshal_mutex_initialized = FALSE;
272 MonoClass *byte_array_class;
273 static MonoMethod *method_rs_serialize, *method_rs_deserialize, *method_exc_fixexc, *method_rs_appdomain_target;
274 static MonoMethod *method_set_context, *method_get_context;
275 static MonoMethod *method_set_call_context, *method_needs_context_sink, *method_rs_serialize_exc;
278 mono_remoting_marshal_init (void)
282 static gboolean module_initialized = FALSE;
284 if (!module_initialized) {
285 klass = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting", "RemotingServices");
286 method_rs_serialize = mono_class_get_method_from_name (klass, "SerializeCallData", -1);
287 method_rs_deserialize = mono_class_get_method_from_name (klass, "DeserializeCallData", -1);
288 method_rs_serialize_exc = mono_class_get_method_from_name (klass, "SerializeExceptionData", -1);
290 klass = mono_defaults.real_proxy_class;
291 method_rs_appdomain_target = mono_class_get_method_from_name (klass, "GetAppDomainTarget", -1);
293 klass = mono_defaults.exception_class;
294 method_exc_fixexc = mono_class_get_method_from_name (klass, "FixRemotingException", -1);
296 klass = mono_defaults.thread_class;
297 method_get_context = mono_class_get_method_from_name (klass, "get_CurrentContext", -1);
299 klass = mono_defaults.appdomain_class;
300 method_set_context = mono_class_get_method_from_name (klass, "InternalSetContext", -1);
301 byte_array_class = mono_array_class_get (mono_defaults.byte_class, 1);
303 klass = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting.Messaging", "CallContext");
304 method_set_call_context = mono_class_get_method_from_name (klass, "SetCurrentCallContext", -1);
306 klass = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting.Contexts", "Context");
307 method_needs_context_sink = mono_class_get_method_from_name (klass, "get_NeedsContextSink", -1);
309 module_initialized = TRUE;
314 mono_delegate_to_ftnptr (MonoDelegate *delegate)
316 MonoMethod *method, *wrapper;
318 uint32_t target_handle = 0;
323 if (delegate->delegate_trampoline)
324 return delegate->delegate_trampoline;
326 klass = ((MonoObject *)delegate)->vtable->klass;
327 g_assert (klass->delegate);
329 method = delegate->method;
331 if (mono_method_signature (method)->pinvoke) {
332 const char *exc_class, *exc_arg;
335 ftnptr = mono_lookup_pinvoke_call (method, &exc_class, &exc_arg);
337 g_assert (exc_class);
338 mono_raise_exception (mono_exception_from_name_msg (mono_defaults.corlib, "System", exc_class, exc_arg));
343 if (delegate->target) {
344 /* Produce a location which can be embedded in JITted code */
345 target_handle = mono_gchandle_new_weakref (delegate->target, FALSE);
348 wrapper = mono_marshal_get_managed_wrapper (method, klass, target_handle);
350 delegate->delegate_trampoline = mono_compile_method (wrapper);
352 // Add the delegate to the delegate hash table
353 delegate_hash_table_add (delegate);
355 /* when the object is collected, collect the dynamic method, too */
356 mono_object_register_finalizer ((MonoObject*)delegate);
358 return delegate->delegate_trampoline;
362 * this hash table maps from a delegate trampoline object to a weak reference
363 * of the delegate. As an optimizations with a non-moving GC we store the
364 * object pointer itself, otherwise we use a GC handle.
366 static GHashTable *delegate_hash_table;
369 delegate_hash_table_new (void) {
370 return g_hash_table_new (NULL, NULL);
374 delegate_hash_table_remove (MonoDelegate *d)
376 #ifdef HAVE_MOVING_COLLECTOR
379 mono_marshal_lock ();
380 if (delegate_hash_table == NULL)
381 delegate_hash_table = delegate_hash_table_new ();
382 #ifdef HAVE_MOVING_COLLECTOR
383 gchandle = GPOINTER_TO_UINT (g_hash_table_lookup (delegate_hash_table, d->delegate_trampoline));
385 g_hash_table_remove (delegate_hash_table, d->delegate_trampoline);
386 mono_marshal_unlock ();
387 #ifdef HAVE_MOVING_COLLECTOR
388 mono_gchandle_free (gchandle);
393 delegate_hash_table_add (MonoDelegate *d)
395 #ifdef HAVE_MOVING_COLLECTOR
396 guint32 gchandle = mono_gchandle_new_weakref ((MonoObject*)d, FALSE);
397 guint32 old_gchandle;
399 mono_marshal_lock ();
400 if (delegate_hash_table == NULL)
401 delegate_hash_table = delegate_hash_table_new ();
402 #ifdef HAVE_MOVING_COLLECTOR
403 old_gchandle = GPOINTER_TO_UINT (g_hash_table_lookup (delegate_hash_table, d->delegate_trampoline));
404 g_hash_table_insert (delegate_hash_table, d->delegate_trampoline, GUINT_TO_POINTER (gchandle));
406 mono_gchandle_free (old_gchandle);
408 g_hash_table_insert (delegate_hash_table, d->delegate_trampoline, d);
410 mono_marshal_unlock ();
414 mono_ftnptr_to_delegate (MonoClass *klass, gpointer ftn)
416 #ifdef HAVE_MOVING_COLLECTOR
424 mono_marshal_lock ();
425 if (delegate_hash_table == NULL)
426 delegate_hash_table = delegate_hash_table_new ();
428 #ifdef HAVE_MOVING_COLLECTOR
429 gchandle = GPOINTER_TO_UINT (g_hash_table_lookup (delegate_hash_table, ftn));
430 mono_marshal_unlock ();
432 d = (MonoDelegate*)mono_gchandle_get_target (gchandle);
436 d = g_hash_table_lookup (delegate_hash_table, ftn);
437 mono_marshal_unlock ();
440 /* This is a native function, so construct a delegate for it */
441 static MonoClass *UnmanagedFunctionPointerAttribute;
442 MonoMethodSignature *sig;
444 MonoMarshalSpec **mspecs;
445 MonoCustomAttrInfo *cinfo;
446 MonoReflectionUnmanagedFunctionPointerAttribute *attr;
447 MonoMethod *invoke = mono_get_delegate_invoke (klass);
448 MonoMethodPInvoke piinfo;
451 memset (&piinfo, 0, sizeof (piinfo));
452 if (!UnmanagedFunctionPointerAttribute)
453 UnmanagedFunctionPointerAttribute = mono_class_from_name (mono_defaults.corlib, "System.Runtime.InteropServices", "UnmanagedFunctionPointerAttribute");
455 /* The attribute is only available in Net 2.0 */
456 if (UnmanagedFunctionPointerAttribute) {
458 * The pinvoke attributes are stored in a real custom attribute so we have to
461 cinfo = mono_custom_attrs_from_class (klass);
463 attr = (MonoReflectionUnmanagedFunctionPointerAttribute*)mono_custom_attrs_get_attr (cinfo, UnmanagedFunctionPointerAttribute);
465 piinfo.piflags = (attr->call_conv << 8) | (attr->charset ? (attr->charset - 1) * 2 : 1) | attr->set_last_error;
468 mono_custom_attrs_free (cinfo);
472 mspecs = g_new0 (MonoMarshalSpec*, mono_method_signature (invoke)->param_count + 1);
473 mono_method_get_marshal_info (invoke, mspecs);
474 /* Freed below so don't alloc from mempool */
475 sig = mono_metadata_signature_dup (mono_method_signature (invoke));
478 wrapper = mono_marshal_get_native_func_wrapper (klass->image, sig, &piinfo, mspecs, ftn);
480 for (i = mono_method_signature (invoke)->param_count; i >= 0; i--)
482 mono_metadata_free_marshal_spec (mspecs [i]);
486 d = (MonoDelegate*)mono_object_new (mono_domain_get (), klass);
487 mono_delegate_ctor_with_method ((MonoObject*)d, NULL, mono_compile_method (wrapper), wrapper);
490 if (d->object.vtable->domain != mono_domain_get ())
491 mono_raise_exception (mono_get_exception_not_supported ("Delegates cannot be marshalled from native code into a domain other than their home domain"));
497 mono_delegate_free_ftnptr (MonoDelegate *delegate)
502 delegate_hash_table_remove (delegate);
504 ptr = (gpointer)InterlockedExchangePointer (&delegate->delegate_trampoline, NULL);
506 if (!delegate->target) {
507 /* The wrapper method is shared between delegates -> no need to free it */
514 ji = mono_jit_info_table_find (mono_domain_get (), mono_get_addr_from_ftnptr (ptr));
517 method_data = ((MonoMethodWrapper*)ji->method)->method_data;
519 /*the target gchandle is the first entry after size and the wrapper itself.*/
520 gchandle = GPOINTER_TO_UINT (method_data [2]);
523 mono_gchandle_free (gchandle);
525 mono_runtime_free_method (mono_object_domain (delegate), ji->method);
530 mono_array_to_savearray (MonoArray *array)
535 g_assert_not_reached ();
540 mono_array_to_lparray (MonoArray *array)
542 gpointer *nativeArray = NULL;
543 int nativeArraySize = 0;
552 klass = array->obj.vtable->klass;
554 switch (klass->element_class->byval_arg.type) {
556 g_assert_not_reached ();
559 case MONO_TYPE_CLASS:
560 nativeArraySize = array->max_length;
561 nativeArray = malloc(sizeof(gpointer) * nativeArraySize);
562 for(i = 0; i < nativeArraySize; ++i)
563 nativeArray[i] = ves_icall_System_Runtime_InteropServices_Marshal_GetIUnknownForObjectInternal(((gpointer*)array->vector)[i]);
567 case MONO_TYPE_BOOLEAN:
580 case MONO_TYPE_VALUETYPE:
584 case MONO_TYPE_GENERICINST:
585 case MONO_TYPE_OBJECT:
586 case MONO_TYPE_ARRAY:
587 case MONO_TYPE_SZARRAY:
588 case MONO_TYPE_STRING:
590 g_warning ("type 0x%x not handled", klass->element_class->byval_arg.type);
591 g_assert_not_reached ();
594 return array->vector;
598 mono_free_lparray (MonoArray *array, gpointer* nativeArray)
609 klass = array->obj.vtable->klass;
611 switch (klass->element_class->byval_arg.type) {
612 case MONO_TYPE_CLASS:
613 for(i = 0; i < array->max_length; ++i)
614 mono_marshal_free_ccw(nativeArray[i]);
622 mono_byvalarray_to_array (MonoArray *arr, gpointer native_arr, MonoClass *elclass, guint32 elnum)
624 g_assert (arr->obj.vtable->klass->element_class == mono_defaults.char_class);
626 if (elclass == mono_defaults.byte_class) {
627 GError *error = NULL;
631 ut = g_utf8_to_utf16 (native_arr, elnum, NULL, &items_written, &error);
634 memcpy (mono_array_addr (arr, guint16, 0), ut, items_written * sizeof (guint16));
638 g_error_free (error);
641 g_assert_not_reached ();
645 mono_array_to_byvalarray (gpointer native_arr, MonoArray *arr, MonoClass *elclass, guint32 elnum)
647 g_assert (arr->obj.vtable->klass->element_class == mono_defaults.char_class);
649 if (elclass == mono_defaults.byte_class) {
651 GError *error = NULL;
653 as = g_utf16_to_utf8 (mono_array_addr (arr, gunichar2, 0), mono_array_length (arr), NULL, NULL, &error);
655 MonoException *exc = mono_get_exception_argument ("string", error->message);
656 g_error_free (error);
657 mono_raise_exception (exc);
660 memcpy (native_arr, as, MIN (strlen (as), elnum));
663 g_assert_not_reached ();
668 mono_string_utf8_to_builder (MonoStringBuilder *sb, char *text)
670 GError *error = NULL;
680 ut = g_utf8_to_utf16 (text, l, NULL, &items_written, &error);
682 if (items_written > mono_stringbuilder_capacity (sb))
683 items_written = mono_stringbuilder_capacity (sb);
686 if (! sb->str || sb->str == sb->cached_str) {
687 MONO_OBJECT_SETREF (sb, str, mono_string_new_size (mono_domain_get (), items_written));
688 sb->cached_str = NULL;
691 memcpy (mono_string_chars (sb->str), ut, items_written * 2);
692 sb->length = items_written;
694 g_error_free (error);
700 mono_string_utf8_to_builder2 (char *text)
703 MonoStringBuilder *sb;
704 static MonoClass *string_builder_class;
705 static MonoMethod *sb_ctor;
712 if (!string_builder_class) {
713 MonoMethodDesc *desc;
715 string_builder_class = mono_class_from_name (mono_defaults.corlib, "System.Text", "StringBuilder");
716 g_assert (string_builder_class);
717 desc = mono_method_desc_new (":.ctor(int)", FALSE);
718 sb_ctor = mono_method_desc_search_in_class (desc, string_builder_class);
720 mono_method_desc_free (desc);
725 sb = (MonoStringBuilder*)mono_object_new (mono_domain_get (), string_builder_class);
728 mono_runtime_invoke (sb_ctor, sb, args, &exc);
731 mono_string_utf8_to_builder (sb, text);
737 * FIXME: This routine does not seem to do what it seems to do
738 * the @text is never copied into the string builder
741 mono_string_utf16_to_builder (MonoStringBuilder *sb, gunichar2 *text)
748 g_assert (mono_string_chars (sb->str) == text);
750 for (len = 0; text [len] != 0; ++len)
757 mono_string_utf16_to_builder2 (gunichar2 *text)
760 MonoStringBuilder *sb;
761 static MonoClass *string_builder_class;
762 static MonoMethod *sb_ctor;
769 if (!string_builder_class) {
770 MonoMethodDesc *desc;
772 string_builder_class = mono_class_from_name (mono_defaults.corlib, "System.Text", "StringBuilder");
773 g_assert (string_builder_class);
774 desc = mono_method_desc_new (":.ctor(int)", FALSE);
775 sb_ctor = mono_method_desc_search_in_class (desc, string_builder_class);
777 mono_method_desc_free (desc);
780 for (len = 0; text [len] != 0; ++len)
783 sb = (MonoStringBuilder*)mono_object_new (mono_domain_get (), string_builder_class);
786 mono_runtime_invoke (sb_ctor, sb, args, &exc);
790 memcpy (mono_string_chars (sb->str), text, len * 2);
796 * mono_string_builder_to_utf8:
797 * @sb: the string builder
799 * Converts to utf8 the contents of the MonoStringBuilder.
801 * Returns: a utf8 string with the contents of the StringBuilder.
803 * The return value must be released with g_free.
806 mono_string_builder_to_utf8 (MonoStringBuilder *sb)
808 GError *error = NULL;
809 gchar *tmp, *res = NULL;
814 if ((sb->str == sb->cached_str) && (sb->str->length == 0)) {
816 * The sb could have been allocated with the default capacity and be empty.
817 * we need to alloc a buffer of the default capacity in this case.
819 MONO_OBJECT_SETREF (sb, str, mono_string_new_size (mono_domain_get (), 16));
820 sb->cached_str = NULL;
823 tmp = g_utf16_to_utf8 (mono_string_chars (sb->str), sb->length, NULL, NULL, &error);
825 g_error_free (error);
826 mono_raise_exception (mono_get_exception_execution_engine ("Failed to convert StringBuilder from utf16 to utf8"));
828 res = mono_marshal_alloc (mono_stringbuilder_capacity (sb) + 1);
829 memcpy (res, tmp, sb->length + 1);
837 * mono_string_builder_to_utf16:
838 * @sb: the string builder
840 * Converts to utf16 the contents of the MonoStringBuilder.
842 * Returns: a utf16 string with the contents of the StringBuilder.
844 * The return value must not be freed.
847 mono_string_builder_to_utf16 (MonoStringBuilder *sb)
855 * The stringbuilder might not have ownership of this string. If this is
856 * the case, we must duplicate the string, so that we don't munge immutable
859 if (sb->str == sb->cached_str) {
861 * The sb could have been allocated with the default capacity and be empty.
862 * we need to alloc a buffer of the default capacity in this case.
864 if (sb->str->length == 0)
865 MONO_OBJECT_SETREF (sb, str, mono_string_new_size (mono_domain_get (), 16));
867 MONO_OBJECT_SETREF (sb, str, mono_string_new_utf16 (mono_domain_get (), mono_string_chars (sb->str), mono_stringbuilder_capacity (sb)));
868 sb->cached_str = NULL;
872 *(mono_string_chars (sb->str)) = '\0';
874 return mono_string_chars (sb->str);
878 mono_string_to_lpstr (MonoString *s)
883 GError *error = NULL;
889 as = CoTaskMemAlloc (1);
894 tmp = g_utf16_to_utf8 (mono_string_chars (s), s->length, NULL, &len, &error);
896 MonoException *exc = mono_get_exception_argument ("string", error->message);
897 g_error_free (error);
898 mono_raise_exception(exc);
901 as = CoTaskMemAlloc (len + 1);
902 memcpy (as, tmp, len + 1);
907 return mono_string_to_utf8 (s);
912 mono_string_to_ansibstr (MonoString *string_obj)
914 g_error ("UnmanagedMarshal.BStr is not implemented.");
919 * mono_string_to_byvalstr:
920 * @dst: Where to store the null-terminated utf8 decoded string.
921 * @src: the MonoString to copy.
922 * @size: the maximum number of bytes to copy.
924 * Copies the MonoString pointed to by @src as a utf8 string
925 * into @dst, it copies at most @size bytes into the destination.
928 mono_string_to_byvalstr (gpointer dst, MonoString *src, int size)
933 g_assert (dst != NULL);
936 memset (dst, 0, size);
940 s = mono_string_to_utf8 (src);
941 len = MIN (size, strlen (s));
944 memcpy (dst, s, len);
949 * mono_string_to_byvalwstr:
950 * @dst: Where to store the null-terminated utf16 decoded string.
951 * @src: the MonoString to copy.
952 * @size: the maximum number of bytes to copy.
954 * Copies the MonoString pointed to by @src as a utf16 string into
955 * @dst, it copies at most @size bytes into the destination (including
956 * a terminating 16-bit zero terminator).
959 mono_string_to_byvalwstr (gpointer dst, MonoString *src, int size)
963 g_assert (dst != NULL);
967 memset (dst, 0, size * 2);
971 len = MIN (size, (mono_string_length (src)));
972 memcpy (dst, mono_string_chars (src), size * 2);
973 if (size <= mono_string_length (src))
975 *((gunichar2 *) dst + len) = 0;
979 mono_string_new_len_wrapper (const char *text, guint length)
981 return mono_string_new_len (mono_domain_get (), text, length);
985 mono_mb_emit_proxy_check (MonoMethodBuilder *mb, int branch_code)
988 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
989 mono_mb_emit_byte (mb, CEE_LDIND_I);
990 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoVTable, klass));
991 mono_mb_emit_byte (mb, CEE_ADD);
992 mono_mb_emit_byte (mb, CEE_LDIND_I);
993 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
994 mono_mb_emit_byte (mb, CEE_MONO_CLASSCONST);
995 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_defaults.transparent_proxy_class));
996 pos = mono_mb_emit_branch (mb, branch_code);
1001 mono_mb_emit_xdomain_check (MonoMethodBuilder *mb, int branch_code)
1004 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
1005 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1006 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoRealProxy, target_domain_id));
1007 mono_mb_emit_byte (mb, CEE_LDIND_I4);
1008 mono_mb_emit_icon (mb, -1);
1009 pos = mono_mb_emit_branch (mb, branch_code);
1014 mono_mb_emit_contextbound_check (MonoMethodBuilder *mb, int branch_code)
1016 static int offset = -1;
1020 mono_marshal_find_bitfield_offset (MonoClass, contextbound, &offset, &mask);
1022 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, remote_class));
1023 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1024 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoRemoteClass, proxy_class));
1025 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1026 mono_mb_emit_ldflda (mb, offset);
1027 mono_mb_emit_byte (mb, CEE_LDIND_U1);
1028 mono_mb_emit_icon (mb, mask);
1029 mono_mb_emit_byte (mb, CEE_AND);
1030 mono_mb_emit_icon (mb, 0);
1031 return mono_mb_emit_branch (mb, branch_code);
1035 * mono_mb_emit_exception_marshal_directive:
1037 * This function assumes ownership of MSG, which should be malloc-ed.
1040 mono_mb_emit_exception_marshal_directive (MonoMethodBuilder *mb, char *msg)
1045 s = mono_image_strdup (mb->method->klass->image, msg);
1050 mono_mb_emit_exception_full (mb, "System.Runtime.InteropServices", "MarshalDirectiveException", s);
1054 mono_type_to_ldind (MonoType *type)
1060 switch (type->type) {
1062 return CEE_LDIND_I1;
1064 case MONO_TYPE_BOOLEAN:
1065 return CEE_LDIND_U1;
1067 return CEE_LDIND_I2;
1069 case MONO_TYPE_CHAR:
1070 return CEE_LDIND_U2;
1072 return CEE_LDIND_I4;
1074 return CEE_LDIND_U4;
1078 case MONO_TYPE_FNPTR:
1080 case MONO_TYPE_CLASS:
1081 case MONO_TYPE_STRING:
1082 case MONO_TYPE_OBJECT:
1083 case MONO_TYPE_SZARRAY:
1084 case MONO_TYPE_ARRAY:
1085 return CEE_LDIND_REF;
1088 return CEE_LDIND_I8;
1090 return CEE_LDIND_R4;
1092 return CEE_LDIND_R8;
1093 case MONO_TYPE_VALUETYPE:
1094 if (type->data.klass->enumtype) {
1095 type = mono_class_enum_basetype (type->data.klass);
1099 case MONO_TYPE_TYPEDBYREF:
1101 case MONO_TYPE_GENERICINST:
1102 type = &type->data.generic_class->container_class->byval_arg;
1105 g_error ("unknown type 0x%02x in type_to_ldind", type->type);
1111 mono_type_to_stind (MonoType *type)
1117 switch (type->type) {
1120 case MONO_TYPE_BOOLEAN:
1121 return CEE_STIND_I1;
1124 case MONO_TYPE_CHAR:
1125 return CEE_STIND_I2;
1128 return CEE_STIND_I4;
1132 case MONO_TYPE_FNPTR:
1134 case MONO_TYPE_CLASS:
1135 case MONO_TYPE_STRING:
1136 case MONO_TYPE_OBJECT:
1137 case MONO_TYPE_SZARRAY:
1138 case MONO_TYPE_ARRAY:
1139 return CEE_STIND_REF;
1142 return CEE_STIND_I8;
1144 return CEE_STIND_R4;
1146 return CEE_STIND_R8;
1147 case MONO_TYPE_VALUETYPE:
1148 if (type->data.klass->enumtype) {
1149 type = mono_class_enum_basetype (type->data.klass);
1153 case MONO_TYPE_TYPEDBYREF:
1155 case MONO_TYPE_GENERICINST:
1156 type = &type->data.generic_class->container_class->byval_arg;
1159 g_error ("unknown type 0x%02x in type_to_stind", type->type);
1165 emit_ptr_to_object_conv (MonoMethodBuilder *mb, MonoType *type, MonoMarshalConv conv, MonoMarshalSpec *mspec)
1168 case MONO_MARSHAL_CONV_BOOL_I4:
1169 mono_mb_emit_ldloc (mb, 1);
1170 mono_mb_emit_ldloc (mb, 0);
1171 mono_mb_emit_byte (mb, CEE_LDIND_I4);
1172 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
1173 mono_mb_emit_byte (mb, 3);
1174 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
1175 mono_mb_emit_byte (mb, CEE_BR_S);
1176 mono_mb_emit_byte (mb, 1);
1177 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
1178 mono_mb_emit_byte (mb, CEE_STIND_I1);
1180 case MONO_MARSHAL_CONV_BOOL_VARIANTBOOL:
1181 mono_mb_emit_ldloc (mb, 1);
1182 mono_mb_emit_ldloc (mb, 0);
1183 mono_mb_emit_byte (mb, CEE_LDIND_I2);
1184 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
1185 mono_mb_emit_byte (mb, 3);
1186 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
1187 mono_mb_emit_byte (mb, CEE_BR_S);
1188 mono_mb_emit_byte (mb, 1);
1189 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
1190 mono_mb_emit_byte (mb, CEE_STIND_I1);
1192 case MONO_MARSHAL_CONV_ARRAY_BYVALARRAY: {
1193 MonoClass *eklass = NULL;
1196 if (type->type == MONO_TYPE_SZARRAY) {
1197 eklass = type->data.klass;
1199 g_assert_not_reached ();
1202 esize = mono_class_native_size (eklass, NULL);
1204 /* create a new array */
1205 mono_mb_emit_ldloc (mb, 1);
1206 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1207 mono_mb_emit_op (mb, CEE_NEWARR, eklass);
1208 mono_mb_emit_byte (mb, CEE_STIND_I);
1210 if (eklass->blittable) {
1211 /* copy the elements */
1212 mono_mb_emit_ldloc (mb, 1);
1213 mono_mb_emit_byte (mb, CEE_LDIND_I);
1214 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArray, vector));
1215 mono_mb_emit_byte (mb, CEE_ADD);
1216 mono_mb_emit_ldloc (mb, 0);
1217 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem * esize);
1218 mono_mb_emit_byte (mb, CEE_PREFIX1);
1219 mono_mb_emit_byte (mb, CEE_CPBLK);
1222 int array_var, src_var, dst_var, index_var;
1223 guint32 label2, label3;
1225 array_var = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
1226 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1227 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1230 mono_mb_emit_ldloc (mb, 1);
1231 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1232 mono_mb_emit_stloc (mb, array_var);
1234 /* save the old src pointer */
1235 mono_mb_emit_ldloc (mb, 0);
1236 mono_mb_emit_stloc (mb, src_var);
1237 /* save the old dst pointer */
1238 mono_mb_emit_ldloc (mb, 1);
1239 mono_mb_emit_stloc (mb, dst_var);
1241 /* Emit marshalling loop */
1242 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1243 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
1244 mono_mb_emit_stloc (mb, index_var);
1247 label2 = mono_mb_get_label (mb);
1248 mono_mb_emit_ldloc (mb, index_var);
1249 mono_mb_emit_ldloc (mb, array_var);
1250 mono_mb_emit_byte (mb, CEE_LDLEN);
1251 label3 = mono_mb_emit_branch (mb, CEE_BGE);
1253 /* src is already set */
1256 mono_mb_emit_ldloc (mb, array_var);
1257 mono_mb_emit_ldloc (mb, index_var);
1258 mono_mb_emit_op (mb, CEE_LDELEMA, eklass);
1259 mono_mb_emit_stloc (mb, 1);
1261 /* Do the conversion */
1262 emit_struct_conv (mb, eklass, TRUE);
1265 mono_mb_emit_add_to_local (mb, index_var, 1);
1267 mono_mb_emit_branch_label (mb, CEE_BR, label2);
1269 mono_mb_patch_branch (mb, label3);
1271 /* restore the old src pointer */
1272 mono_mb_emit_ldloc (mb, src_var);
1273 mono_mb_emit_stloc (mb, 0);
1274 /* restore the old dst pointer */
1275 mono_mb_emit_ldloc (mb, dst_var);
1276 mono_mb_emit_stloc (mb, 1);
1280 case MONO_MARSHAL_CONV_ARRAY_BYVALCHARARRAY: {
1281 MonoClass *eclass = mono_defaults.char_class;
1283 /* create a new array */
1284 mono_mb_emit_ldloc (mb, 1);
1285 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1286 mono_mb_emit_op (mb, CEE_NEWARR, eclass);
1287 mono_mb_emit_byte (mb, CEE_STIND_REF);
1289 mono_mb_emit_ldloc (mb, 1);
1290 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1291 mono_mb_emit_ldloc (mb, 0);
1292 mono_mb_emit_ptr (mb, mono_defaults.byte_class);
1293 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1294 mono_mb_emit_icall (mb, mono_byvalarray_to_array);
1297 case MONO_MARSHAL_CONV_STR_BYVALSTR:
1298 mono_mb_emit_ldloc (mb, 1);
1299 mono_mb_emit_ldloc (mb, 0);
1300 mono_mb_emit_icall (mb, mono_string_new_wrapper);
1301 mono_mb_emit_byte (mb, CEE_STIND_REF);
1303 case MONO_MARSHAL_CONV_STR_BYVALWSTR:
1304 mono_mb_emit_ldloc (mb, 1);
1305 mono_mb_emit_ldloc (mb, 0);
1306 mono_mb_emit_icall (mb, mono_string_from_utf16);
1307 mono_mb_emit_byte (mb, CEE_STIND_REF);
1309 case MONO_MARSHAL_CONV_STR_LPTSTR:
1310 mono_mb_emit_ldloc (mb, 1);
1311 mono_mb_emit_ldloc (mb, 0);
1312 mono_mb_emit_byte (mb, CEE_LDIND_I);
1314 mono_mb_emit_icall (mb, mono_string_from_utf16);
1316 mono_mb_emit_icall (mb, mono_string_new_wrapper);
1318 mono_mb_emit_byte (mb, CEE_STIND_REF);
1320 case MONO_MARSHAL_CONV_STR_LPSTR:
1321 mono_mb_emit_ldloc (mb, 1);
1322 mono_mb_emit_ldloc (mb, 0);
1323 mono_mb_emit_byte (mb, CEE_LDIND_I);
1324 mono_mb_emit_icall (mb, mono_string_new_wrapper);
1325 mono_mb_emit_byte (mb, CEE_STIND_REF);
1327 case MONO_MARSHAL_CONV_STR_LPWSTR:
1328 mono_mb_emit_ldloc (mb, 1);
1329 mono_mb_emit_ldloc (mb, 0);
1330 mono_mb_emit_byte (mb, CEE_LDIND_I);
1331 mono_mb_emit_icall (mb, mono_string_from_utf16);
1332 mono_mb_emit_byte (mb, CEE_STIND_REF);
1334 case MONO_MARSHAL_CONV_OBJECT_STRUCT: {
1335 MonoClass *klass = mono_class_from_mono_type (type);
1336 int src_var, dst_var;
1338 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1339 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1341 /* *dst = new object */
1342 mono_mb_emit_ldloc (mb, 1);
1343 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1344 mono_mb_emit_op (mb, CEE_MONO_NEWOBJ, klass);
1345 mono_mb_emit_byte (mb, CEE_STIND_REF);
1347 /* save the old src pointer */
1348 mono_mb_emit_ldloc (mb, 0);
1349 mono_mb_emit_stloc (mb, src_var);
1350 /* save the old dst pointer */
1351 mono_mb_emit_ldloc (mb, 1);
1352 mono_mb_emit_stloc (mb, dst_var);
1354 /* dst = pointer to newly created object data */
1355 mono_mb_emit_ldloc (mb, 1);
1356 mono_mb_emit_byte (mb, CEE_LDIND_I);
1357 mono_mb_emit_icon (mb, sizeof (MonoObject));
1358 mono_mb_emit_byte (mb, CEE_ADD);
1359 mono_mb_emit_stloc (mb, 1);
1361 emit_struct_conv (mb, klass, TRUE);
1363 /* restore the old src pointer */
1364 mono_mb_emit_ldloc (mb, src_var);
1365 mono_mb_emit_stloc (mb, 0);
1366 /* restore the old dst pointer */
1367 mono_mb_emit_ldloc (mb, dst_var);
1368 mono_mb_emit_stloc (mb, 1);
1371 case MONO_MARSHAL_CONV_DEL_FTN: {
1372 MonoClass *klass = mono_class_from_mono_type (type);
1374 mono_mb_emit_ldloc (mb, 1);
1375 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1376 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
1377 mono_mb_emit_ldloc (mb, 0);
1378 mono_mb_emit_byte (mb, CEE_LDIND_I);
1379 mono_mb_emit_icall (mb, mono_ftnptr_to_delegate);
1380 mono_mb_emit_byte (mb, CEE_STIND_REF);
1383 case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
1384 g_error ("Structure field of type %s can't be marshalled as LPArray", mono_class_from_mono_type (type)->name);
1388 case MONO_MARSHAL_CONV_OBJECT_INTERFACE:
1389 case MONO_MARSHAL_CONV_OBJECT_IUNKNOWN:
1390 case MONO_MARSHAL_CONV_OBJECT_IDISPATCH:
1391 mono_cominterop_emit_ptr_to_object_conv (mb, type, conv, mspec);
1393 #endif /* DISABLE_COM */
1395 case MONO_MARSHAL_CONV_SAFEHANDLE: {
1397 * Passing SafeHandles as ref does not allow the unmanaged code
1398 * to change the SafeHandle value. If the value is changed,
1399 * we should issue a diagnostic exception (NotSupportedException)
1400 * that informs the user that changes to handles in unmanaged code
1403 * Since we currently have no access to the original
1404 * SafeHandle that was used during the marshalling,
1405 * for now we just ignore this, and ignore/discard any
1406 * changes that might have happened to the handle.
1411 case MONO_MARSHAL_CONV_HANDLEREF: {
1413 * Passing HandleRefs in a struct that is ref()ed does not
1414 * copy the values back to the HandleRef
1419 case MONO_MARSHAL_CONV_STR_BSTR:
1420 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
1421 case MONO_MARSHAL_CONV_STR_TBSTR:
1422 case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
1424 char *msg = g_strdup_printf ("marshaling conversion %d not implemented", conv);
1426 mono_mb_emit_exception_marshal_directive (mb, msg);
1433 conv_to_icall (MonoMarshalConv conv)
1436 case MONO_MARSHAL_CONV_STR_LPWSTR:
1437 return mono_marshal_string_to_utf16;
1438 case MONO_MARSHAL_CONV_LPWSTR_STR:
1439 return mono_string_from_utf16;
1440 case MONO_MARSHAL_CONV_LPTSTR_STR:
1442 return mono_string_from_utf16;
1444 return mono_string_new_wrapper;
1446 case MONO_MARSHAL_CONV_LPSTR_STR:
1447 return mono_string_new_wrapper;
1448 case MONO_MARSHAL_CONV_STR_LPTSTR:
1450 return mono_marshal_string_to_utf16;
1452 return mono_string_to_lpstr;
1454 case MONO_MARSHAL_CONV_STR_LPSTR:
1455 return mono_string_to_lpstr;
1456 case MONO_MARSHAL_CONV_STR_BSTR:
1457 return mono_string_to_bstr;
1458 case MONO_MARSHAL_CONV_BSTR_STR:
1459 return mono_string_from_bstr;
1460 case MONO_MARSHAL_CONV_STR_TBSTR:
1461 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
1462 return mono_string_to_ansibstr;
1463 case MONO_MARSHAL_CONV_SB_LPSTR:
1464 return mono_string_builder_to_utf8;
1465 case MONO_MARSHAL_CONV_SB_LPTSTR:
1467 return mono_string_builder_to_utf16;
1469 return mono_string_builder_to_utf8;
1471 case MONO_MARSHAL_CONV_SB_LPWSTR:
1472 return mono_string_builder_to_utf16;
1473 case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
1474 return mono_array_to_savearray;
1475 case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
1476 return mono_array_to_lparray;
1477 case MONO_MARSHAL_FREE_LPARRAY:
1478 return mono_free_lparray;
1479 case MONO_MARSHAL_CONV_DEL_FTN:
1480 return mono_delegate_to_ftnptr;
1481 case MONO_MARSHAL_CONV_FTN_DEL:
1482 return mono_ftnptr_to_delegate;
1483 case MONO_MARSHAL_CONV_LPSTR_SB:
1484 return mono_string_utf8_to_builder;
1485 case MONO_MARSHAL_CONV_LPTSTR_SB:
1487 return mono_string_utf16_to_builder;
1489 return mono_string_utf8_to_builder;
1491 case MONO_MARSHAL_CONV_LPWSTR_SB:
1492 return mono_string_utf16_to_builder;
1493 case MONO_MARSHAL_FREE_ARRAY:
1494 return mono_marshal_free_array;
1495 case MONO_MARSHAL_CONV_STR_BYVALSTR:
1496 return mono_string_to_byvalstr;
1497 case MONO_MARSHAL_CONV_STR_BYVALWSTR:
1498 return mono_string_to_byvalwstr;
1500 g_assert_not_reached ();
1507 emit_object_to_ptr_conv (MonoMethodBuilder *mb, MonoType *type, MonoMarshalConv conv, MonoMarshalSpec *mspec)
1512 case MONO_MARSHAL_CONV_BOOL_I4:
1513 mono_mb_emit_ldloc (mb, 1);
1514 mono_mb_emit_ldloc (mb, 0);
1515 mono_mb_emit_byte (mb, CEE_LDIND_U1);
1516 mono_mb_emit_byte (mb, CEE_STIND_I4);
1518 case MONO_MARSHAL_CONV_BOOL_VARIANTBOOL:
1519 mono_mb_emit_ldloc (mb, 1);
1520 mono_mb_emit_ldloc (mb, 0);
1521 mono_mb_emit_byte (mb, CEE_LDIND_U1);
1522 mono_mb_emit_byte (mb, CEE_NEG);
1523 mono_mb_emit_byte (mb, CEE_STIND_I2);
1525 case MONO_MARSHAL_CONV_STR_LPWSTR:
1526 case MONO_MARSHAL_CONV_STR_LPSTR:
1527 case MONO_MARSHAL_CONV_STR_LPTSTR:
1528 case MONO_MARSHAL_CONV_STR_BSTR:
1529 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
1530 case MONO_MARSHAL_CONV_STR_TBSTR: {
1533 /* free space if free == true */
1534 mono_mb_emit_ldloc (mb, 2);
1535 pos = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
1536 mono_mb_emit_ldloc (mb, 1);
1537 mono_mb_emit_byte (mb, CEE_LDIND_I);
1538 mono_mb_emit_icall (mb, g_free);
1539 mono_mb_patch_short_branch (mb, pos);
1541 mono_mb_emit_ldloc (mb, 1);
1542 mono_mb_emit_ldloc (mb, 0);
1543 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1544 mono_mb_emit_icall (mb, conv_to_icall (conv));
1545 mono_mb_emit_byte (mb, CEE_STIND_I);
1548 case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
1549 case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
1550 case MONO_MARSHAL_CONV_DEL_FTN:
1551 mono_mb_emit_ldloc (mb, 1);
1552 mono_mb_emit_ldloc (mb, 0);
1553 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1554 mono_mb_emit_icall (mb, conv_to_icall (conv));
1555 mono_mb_emit_byte (mb, CEE_STIND_I);
1557 case MONO_MARSHAL_CONV_STR_BYVALSTR:
1558 case MONO_MARSHAL_CONV_STR_BYVALWSTR: {
1561 mono_mb_emit_ldloc (mb, 1); /* dst */
1562 mono_mb_emit_ldloc (mb, 0);
1563 mono_mb_emit_byte (mb, CEE_LDIND_REF); /* src String */
1564 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1565 mono_mb_emit_icall (mb, conv_to_icall (conv));
1568 case MONO_MARSHAL_CONV_ARRAY_BYVALARRAY: {
1569 MonoClass *eklass = NULL;
1572 if (type->type == MONO_TYPE_SZARRAY) {
1573 eklass = type->data.klass;
1575 g_assert_not_reached ();
1578 if (eklass->valuetype)
1579 esize = mono_class_native_size (eklass, NULL);
1581 esize = sizeof (gpointer);
1583 mono_mb_emit_ldloc (mb, 0);
1584 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1585 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
1587 if (eklass->blittable) {
1588 mono_mb_emit_ldloc (mb, 1);
1589 mono_mb_emit_ldloc (mb, 0);
1590 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1591 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoArray, vector));
1592 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem * esize);
1593 mono_mb_emit_byte (mb, CEE_PREFIX1);
1594 mono_mb_emit_byte (mb, CEE_CPBLK);
1596 int array_var, src_var, dst_var, index_var;
1597 guint32 label2, label3;
1599 array_var = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
1600 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1601 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1604 mono_mb_emit_ldloc (mb, 0);
1605 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1606 mono_mb_emit_stloc (mb, array_var);
1608 /* save the old src pointer */
1609 mono_mb_emit_ldloc (mb, 0);
1610 mono_mb_emit_stloc (mb, src_var);
1611 /* save the old dst pointer */
1612 mono_mb_emit_ldloc (mb, 1);
1613 mono_mb_emit_stloc (mb, dst_var);
1615 /* Emit marshalling loop */
1616 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1617 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
1618 mono_mb_emit_stloc (mb, index_var);
1621 label2 = mono_mb_get_label (mb);
1622 mono_mb_emit_ldloc (mb, index_var);
1623 mono_mb_emit_ldloc (mb, array_var);
1624 mono_mb_emit_byte (mb, CEE_LDLEN);
1625 label3 = mono_mb_emit_branch (mb, CEE_BGE);
1628 mono_mb_emit_ldloc (mb, array_var);
1629 mono_mb_emit_ldloc (mb, index_var);
1630 mono_mb_emit_op (mb, CEE_LDELEMA, eklass);
1631 mono_mb_emit_stloc (mb, 0);
1633 /* dst is already set */
1635 /* Do the conversion */
1636 emit_struct_conv (mb, eklass, FALSE);
1639 mono_mb_emit_add_to_local (mb, index_var, 1);
1641 mono_mb_emit_branch_label (mb, CEE_BR, label2);
1643 mono_mb_patch_branch (mb, label3);
1645 /* restore the old src pointer */
1646 mono_mb_emit_ldloc (mb, src_var);
1647 mono_mb_emit_stloc (mb, 0);
1648 /* restore the old dst pointer */
1649 mono_mb_emit_ldloc (mb, dst_var);
1650 mono_mb_emit_stloc (mb, 1);
1653 mono_mb_patch_branch (mb, pos);
1656 case MONO_MARSHAL_CONV_ARRAY_BYVALCHARARRAY: {
1657 mono_mb_emit_ldloc (mb, 0);
1658 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1659 pos = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
1661 mono_mb_emit_ldloc (mb, 1);
1662 mono_mb_emit_ldloc (mb, 0);
1663 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1664 mono_mb_emit_ptr (mb, mono_defaults.byte_class);
1665 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1666 mono_mb_emit_icall (mb, mono_array_to_byvalarray);
1667 mono_mb_patch_short_branch (mb, pos);
1670 case MONO_MARSHAL_CONV_OBJECT_STRUCT: {
1671 int src_var, dst_var;
1673 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1674 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1676 mono_mb_emit_ldloc (mb, 0);
1677 mono_mb_emit_byte (mb, CEE_LDIND_I);
1678 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
1680 /* save the old src pointer */
1681 mono_mb_emit_ldloc (mb, 0);
1682 mono_mb_emit_stloc (mb, src_var);
1683 /* save the old dst pointer */
1684 mono_mb_emit_ldloc (mb, 1);
1685 mono_mb_emit_stloc (mb, dst_var);
1687 /* src = pointer to object data */
1688 mono_mb_emit_ldloc (mb, 0);
1689 mono_mb_emit_byte (mb, CEE_LDIND_I);
1690 mono_mb_emit_icon (mb, sizeof (MonoObject));
1691 mono_mb_emit_byte (mb, CEE_ADD);
1692 mono_mb_emit_stloc (mb, 0);
1694 emit_struct_conv (mb, mono_class_from_mono_type (type), FALSE);
1696 /* restore the old src pointer */
1697 mono_mb_emit_ldloc (mb, src_var);
1698 mono_mb_emit_stloc (mb, 0);
1699 /* restore the old dst pointer */
1700 mono_mb_emit_ldloc (mb, dst_var);
1701 mono_mb_emit_stloc (mb, 1);
1703 mono_mb_patch_branch (mb, pos);
1708 case MONO_MARSHAL_CONV_OBJECT_INTERFACE:
1709 case MONO_MARSHAL_CONV_OBJECT_IDISPATCH:
1710 case MONO_MARSHAL_CONV_OBJECT_IUNKNOWN:
1711 mono_cominterop_emit_object_to_ptr_conv (mb, type, conv, mspec);
1713 #endif /* DISABLE_COM */
1715 case MONO_MARSHAL_CONV_SAFEHANDLE: {
1716 int dar_release_slot, pos;
1718 dar_release_slot = mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
1721 * The following is ifdefed-out, because I have no way of doing the
1722 * DangerousRelease when destroying the structure
1725 /* set release = false */
1726 mono_mb_emit_icon (mb, 0);
1727 mono_mb_emit_stloc (mb, dar_release_slot);
1728 if (!sh_dangerous_add_ref)
1729 init_safe_handle ();
1731 /* safehandle.DangerousAddRef (ref release) */
1732 mono_mb_emit_ldloc (mb, 0); /* the source */
1733 mono_mb_emit_byte (mb, CEE_LDIND_I);
1734 mono_mb_emit_ldloc_addr (mb, dar_release_slot);
1735 mono_mb_emit_managed_call (mb, sh_dangerous_add_ref, NULL);
1737 mono_mb_emit_ldloc (mb, 0);
1738 mono_mb_emit_byte (mb, CEE_LDIND_I);
1739 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
1740 mono_mb_emit_exception (mb, "ArgumentNullException", NULL);
1741 mono_mb_patch_branch (mb, pos);
1743 /* Pull the handle field from SafeHandle */
1744 mono_mb_emit_ldloc (mb, 1);
1745 mono_mb_emit_ldloc (mb, 0);
1746 mono_mb_emit_byte (mb, CEE_LDIND_I);
1747 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoSafeHandle, handle));
1748 mono_mb_emit_byte (mb, CEE_LDIND_I);
1749 mono_mb_emit_byte (mb, CEE_STIND_I);
1753 case MONO_MARSHAL_CONV_HANDLEREF: {
1754 mono_mb_emit_ldloc (mb, 1);
1755 mono_mb_emit_ldloc (mb, 0);
1756 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoHandleRef, handle));
1757 mono_mb_emit_byte (mb, CEE_ADD);
1758 mono_mb_emit_byte (mb, CEE_LDIND_I);
1759 mono_mb_emit_byte (mb, CEE_STIND_I);
1764 char *msg = g_strdup_printf ("marshalling conversion %d not implemented", conv);
1765 MonoException *exc = mono_get_exception_not_implemented (msg);
1766 g_warning ("%s", msg);
1768 mono_raise_exception (exc);
1774 emit_struct_conv_full (MonoMethodBuilder *mb, MonoClass *klass, gboolean to_object,
1775 MonoMarshalNative string_encoding)
1777 MonoMarshalType *info;
1781 emit_struct_conv(mb, klass->parent, to_object);
1783 info = mono_marshal_load_type_info (klass);
1785 if (info->native_size == 0)
1788 if (klass->blittable) {
1789 int msize = mono_class_value_size (klass, NULL);
1790 g_assert (msize == info->native_size);
1791 mono_mb_emit_ldloc (mb, 1);
1792 mono_mb_emit_ldloc (mb, 0);
1793 mono_mb_emit_icon (mb, msize);
1794 mono_mb_emit_byte (mb, CEE_PREFIX1);
1795 mono_mb_emit_byte (mb, CEE_CPBLK);
1797 mono_mb_emit_add_to_local (mb, 0, msize);
1798 mono_mb_emit_add_to_local (mb, 1, msize);
1802 if (klass != mono_defaults.safehandle_class) {
1803 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
1804 char *msg = g_strdup_printf ("Type %s which is passed to unmanaged code must have a StructLayout attribute.",
1805 mono_type_full_name (&klass->byval_arg));
1806 mono_mb_emit_exception_marshal_directive (mb, msg);
1811 for (i = 0; i < info->num_fields; i++) {
1812 MonoMarshalNative ntype;
1813 MonoMarshalConv conv;
1814 MonoType *ftype = info->fields [i].field->type;
1817 gboolean last_field = i < (info->num_fields -1) ? 0 : 1;
1819 if (ftype->attrs & FIELD_ATTRIBUTE_STATIC)
1822 ntype = mono_type_to_unmanaged (ftype, info->fields [i].mspec, TRUE, klass->unicode, &conv);
1825 msize = klass->instance_size - info->fields [i].field->offset;
1826 usize = info->native_size - info->fields [i].offset;
1828 msize = info->fields [i + 1].field->offset - info->fields [i].field->offset;
1829 usize = info->fields [i + 1].offset - info->fields [i].offset;
1832 if (klass != mono_defaults.safehandle_class){
1834 * FIXME: Should really check for usize==0 and msize>0, but we apply
1835 * the layout to the managed structure as well.
1838 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) && (usize == 0)) {
1839 if (MONO_TYPE_IS_REFERENCE (info->fields [i].field->type) ||
1840 ((!last_field && MONO_TYPE_IS_REFERENCE (info->fields [i + 1].field->type))))
1841 g_error ("Type %s which has an [ExplicitLayout] attribute cannot have a "
1842 "reference field at the same offset as another field.",
1843 mono_type_full_name (&klass->byval_arg));
1848 case MONO_MARSHAL_CONV_NONE: {
1851 if (ftype->byref || ftype->type == MONO_TYPE_I ||
1852 ftype->type == MONO_TYPE_U) {
1853 mono_mb_emit_ldloc (mb, 1);
1854 mono_mb_emit_ldloc (mb, 0);
1855 mono_mb_emit_byte (mb, CEE_LDIND_I);
1856 mono_mb_emit_byte (mb, CEE_STIND_I);
1867 case MONO_TYPE_BOOLEAN:
1870 case MONO_TYPE_CHAR:
1876 mono_mb_emit_ldloc (mb, 1);
1877 mono_mb_emit_ldloc (mb, 0);
1878 if (t == MONO_TYPE_CHAR && ntype == MONO_NATIVE_U1 && string_encoding != MONO_NATIVE_LPWSTR) {
1880 mono_mb_emit_byte (mb, CEE_LDIND_U1);
1881 mono_mb_emit_byte (mb, CEE_STIND_I2);
1883 mono_mb_emit_byte (mb, CEE_LDIND_U2);
1884 mono_mb_emit_byte (mb, CEE_STIND_I1);
1887 mono_mb_emit_byte (mb, mono_type_to_ldind (ftype));
1888 mono_mb_emit_byte (mb, mono_type_to_stind (ftype));
1891 case MONO_TYPE_VALUETYPE: {
1892 int src_var, dst_var;
1894 if (ftype->data.klass->enumtype) {
1895 ftype = mono_class_enum_basetype (ftype->data.klass);
1899 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1900 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1902 /* save the old src pointer */
1903 mono_mb_emit_ldloc (mb, 0);
1904 mono_mb_emit_stloc (mb, src_var);
1905 /* save the old dst pointer */
1906 mono_mb_emit_ldloc (mb, 1);
1907 mono_mb_emit_stloc (mb, dst_var);
1909 emit_struct_conv (mb, ftype->data.klass, to_object);
1911 /* restore the old src pointer */
1912 mono_mb_emit_ldloc (mb, src_var);
1913 mono_mb_emit_stloc (mb, 0);
1914 /* restore the old dst pointer */
1915 mono_mb_emit_ldloc (mb, dst_var);
1916 mono_mb_emit_stloc (mb, 1);
1919 case MONO_TYPE_OBJECT: {
1920 mono_init_com_types ();
1922 static MonoMethod *variant_clear = NULL;
1923 static MonoMethod *get_object_for_native_variant = NULL;
1926 variant_clear = mono_class_get_method_from_name (mono_defaults.variant_class, "Clear", 0);
1927 if (!get_object_for_native_variant)
1928 get_object_for_native_variant = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetObjectForNativeVariant", 1);
1929 mono_mb_emit_ldloc (mb, 1);
1930 mono_mb_emit_ldloc (mb, 0);
1931 mono_mb_emit_managed_call (mb, get_object_for_native_variant, NULL);
1932 mono_mb_emit_byte (mb, CEE_STIND_REF);
1934 mono_mb_emit_ldloc (mb, 0);
1935 mono_mb_emit_managed_call (mb, variant_clear, NULL);
1938 static MonoMethod *get_native_variant_for_object = NULL;
1940 if (!get_native_variant_for_object)
1941 get_native_variant_for_object = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetNativeVariantForObject", 2);
1943 mono_mb_emit_ldloc (mb, 0);
1944 mono_mb_emit_byte(mb, CEE_LDIND_REF);
1945 mono_mb_emit_ldloc (mb, 1);
1946 mono_mb_emit_managed_call (mb, get_native_variant_for_object, NULL);
1952 g_warning ("marshaling type %02x not implemented", ftype->type);
1953 g_assert_not_reached ();
1958 int src_var, dst_var;
1960 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1961 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1963 /* save the old src pointer */
1964 mono_mb_emit_ldloc (mb, 0);
1965 mono_mb_emit_stloc (mb, src_var);
1966 /* save the old dst pointer */
1967 mono_mb_emit_ldloc (mb, 1);
1968 mono_mb_emit_stloc (mb, dst_var);
1971 emit_ptr_to_object_conv (mb, ftype, conv, info->fields [i].mspec);
1973 emit_object_to_ptr_conv (mb, ftype, conv, info->fields [i].mspec);
1975 /* restore the old src pointer */
1976 mono_mb_emit_ldloc (mb, src_var);
1977 mono_mb_emit_stloc (mb, 0);
1978 /* restore the old dst pointer */
1979 mono_mb_emit_ldloc (mb, dst_var);
1980 mono_mb_emit_stloc (mb, 1);
1985 mono_mb_emit_add_to_local (mb, 0, usize);
1986 mono_mb_emit_add_to_local (mb, 1, msize);
1988 mono_mb_emit_add_to_local (mb, 0, msize);
1989 mono_mb_emit_add_to_local (mb, 1, usize);
1995 emit_struct_conv (MonoMethodBuilder *mb, MonoClass *klass, gboolean to_object)
1997 emit_struct_conv_full (mb, klass, to_object, -1);
2001 emit_struct_free (MonoMethodBuilder *mb, MonoClass *klass, int struct_var)
2003 /* Call DestroyStructure */
2004 /* FIXME: Only do this if needed */
2005 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2006 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
2007 mono_mb_emit_ldloc (mb, struct_var);
2008 mono_mb_emit_icall (mb, mono_struct_delete_old);
2012 emit_thread_interrupt_checkpoint_call (MonoMethodBuilder *mb, gpointer checkpoint_func)
2016 mono_mb_emit_ptr (mb, (gpointer) mono_thread_interruption_request_flag ());
2017 mono_mb_emit_byte (mb, CEE_LDIND_U4);
2018 pos_noabort = mono_mb_emit_branch (mb, CEE_BRFALSE);
2020 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2021 mono_mb_emit_byte (mb, CEE_MONO_NOT_TAKEN);
2023 mono_mb_emit_icall (mb, checkpoint_func);
2025 mono_mb_patch_branch (mb, pos_noabort);
2029 emit_thread_interrupt_checkpoint (MonoMethodBuilder *mb)
2031 if (strstr (mb->name, "mono_thread_interruption_checkpoint"))
2034 emit_thread_interrupt_checkpoint_call (mb, mono_thread_interruption_checkpoint);
2038 emit_thread_force_interrupt_checkpoint (MonoMethodBuilder *mb)
2040 emit_thread_interrupt_checkpoint_call (mb, mono_thread_force_interruption_checkpoint);
2044 mono_marshal_emit_thread_interrupt_checkpoint (MonoMethodBuilder *mb)
2046 emit_thread_interrupt_checkpoint (mb);
2049 static MonoAsyncResult *
2050 mono_delegate_begin_invoke (MonoDelegate *delegate, gpointer *params)
2052 MonoMethodMessage *msg;
2053 MonoDelegate *async_callback;
2054 MonoMulticastDelegate *mcast_delegate;
2058 MonoMethod *method = NULL, *method2 = NULL;
2060 g_assert (delegate);
2061 mcast_delegate = (MonoMulticastDelegate *) delegate;
2062 if (mcast_delegate->prev != NULL)
2063 mono_raise_exception (mono_get_exception_argument (NULL, "The delegate must have only one target"));
2065 if (delegate->target && mono_object_class (delegate->target) == mono_defaults.transparent_proxy_class) {
2067 MonoTransparentProxy* tp = (MonoTransparentProxy *)delegate->target;
2068 if (!tp->remote_class->proxy_class->contextbound || tp->rp->context != (MonoObject *) mono_context_get ()) {
2070 /* If the target is a proxy, make a direct call. Is proxy's work
2071 // to make the call asynchronous.
2073 MonoAsyncResult *ares;
2075 MonoArray *out_args;
2076 method = delegate->method;
2078 msg = mono_method_call_message_new (mono_marshal_method_from_wrapper (method), params, NULL, &async_callback, &state);
2079 ares = mono_async_result_new (mono_domain_get (), NULL, state, NULL, NULL);
2080 MONO_OBJECT_SETREF (ares, async_delegate, (MonoObject *)delegate);
2081 MONO_OBJECT_SETREF (ares, async_callback, (MonoObject *)async_callback);
2082 MONO_OBJECT_SETREF (msg, async_result, ares);
2083 msg->call_type = CallType_BeginInvoke;
2086 mono_remoting_invoke ((MonoObject *)tp->rp, msg, &exc, &out_args);
2088 mono_raise_exception ((MonoException *) exc);
2093 klass = delegate->object.vtable->klass;
2095 method = mono_get_delegate_invoke (klass);
2096 method2 = mono_class_get_method_from_name (klass, "BeginInvoke", -1);
2099 g_assert (method != NULL);
2101 im = mono_get_delegate_invoke (method->klass);
2102 msg = mono_method_call_message_new (method, params, im, &async_callback, &state);
2104 return mono_thread_pool_add ((MonoObject *)delegate, msg, async_callback, state);
2108 mono_mb_emit_save_args (MonoMethodBuilder *mb, MonoMethodSignature *sig, gboolean save_this)
2110 int i, params_var, tmp_var;
2112 /* allocate local (pointer) *params[] */
2113 params_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2114 /* allocate local (pointer) tmp */
2115 tmp_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2117 /* alloate space on stack to store an array of pointers to the arguments */
2118 mono_mb_emit_icon (mb, sizeof (gpointer) * (sig->param_count + 1));
2119 mono_mb_emit_byte (mb, CEE_PREFIX1);
2120 mono_mb_emit_byte (mb, CEE_LOCALLOC);
2121 mono_mb_emit_stloc (mb, params_var);
2124 mono_mb_emit_ldloc (mb, params_var);
2125 mono_mb_emit_stloc (mb, tmp_var);
2127 if (save_this && sig->hasthis) {
2128 mono_mb_emit_ldloc (mb, tmp_var);
2129 mono_mb_emit_ldarg_addr (mb, 0);
2130 mono_mb_emit_byte (mb, CEE_STIND_I);
2131 /* tmp = tmp + sizeof (gpointer) */
2132 if (sig->param_count)
2133 mono_mb_emit_add_to_local (mb, tmp_var, sizeof (gpointer));
2137 for (i = 0; i < sig->param_count; i++) {
2138 mono_mb_emit_ldloc (mb, tmp_var);
2139 mono_mb_emit_ldarg_addr (mb, i + sig->hasthis);
2140 mono_mb_emit_byte (mb, CEE_STIND_I);
2141 /* tmp = tmp + sizeof (gpointer) */
2142 if (i < (sig->param_count - 1))
2143 mono_mb_emit_add_to_local (mb, tmp_var, sizeof (gpointer));
2150 mono_signature_to_name (MonoMethodSignature *sig, const char *prefix)
2154 GString *res = g_string_new ("");
2157 g_string_append (res, prefix);
2158 g_string_append_c (res, '_');
2161 mono_type_get_desc (res, sig->ret, FALSE);
2164 g_string_append (res, "__this__");
2166 for (i = 0; i < sig->param_count; ++i) {
2167 g_string_append_c (res, '_');
2168 mono_type_get_desc (res, sig->params [i], FALSE);
2171 g_string_free (res, FALSE);
2176 * mono_marshal_get_string_encoding:
2178 * Return the string encoding which should be used for a given parameter.
2180 static MonoMarshalNative
2181 mono_marshal_get_string_encoding (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
2183 /* First try the parameter marshal info */
2185 if (spec->native == MONO_NATIVE_LPARRAY) {
2186 if ((spec->data.array_data.elem_type != 0) && (spec->data.array_data.elem_type != MONO_NATIVE_MAX))
2187 return spec->data.array_data.elem_type;
2190 return spec->native;
2194 return MONO_NATIVE_LPSTR;
2196 /* Then try the method level marshal info */
2197 switch (piinfo->piflags & PINVOKE_ATTRIBUTE_CHAR_SET_MASK) {
2198 case PINVOKE_ATTRIBUTE_CHAR_SET_ANSI:
2199 return MONO_NATIVE_LPSTR;
2200 case PINVOKE_ATTRIBUTE_CHAR_SET_UNICODE:
2201 return MONO_NATIVE_LPWSTR;
2202 case PINVOKE_ATTRIBUTE_CHAR_SET_AUTO:
2204 return MONO_NATIVE_LPWSTR;
2206 return MONO_NATIVE_LPSTR;
2209 return MONO_NATIVE_LPSTR;
2213 static MonoMarshalConv
2214 mono_marshal_get_string_to_ptr_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
2216 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
2219 case MONO_NATIVE_LPWSTR:
2220 return MONO_MARSHAL_CONV_STR_LPWSTR;
2221 case MONO_NATIVE_LPSTR:
2222 case MONO_NATIVE_VBBYREFSTR:
2223 return MONO_MARSHAL_CONV_STR_LPSTR;
2224 case MONO_NATIVE_LPTSTR:
2225 return MONO_MARSHAL_CONV_STR_LPTSTR;
2226 case MONO_NATIVE_BSTR:
2227 return MONO_MARSHAL_CONV_STR_BSTR;
2233 static MonoMarshalConv
2234 mono_marshal_get_stringbuilder_to_ptr_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
2236 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
2239 case MONO_NATIVE_LPWSTR:
2240 return MONO_MARSHAL_CONV_SB_LPWSTR;
2242 case MONO_NATIVE_LPSTR:
2243 return MONO_MARSHAL_CONV_SB_LPSTR;
2245 case MONO_NATIVE_LPTSTR:
2246 return MONO_MARSHAL_CONV_SB_LPTSTR;
2253 static MonoMarshalConv
2254 mono_marshal_get_ptr_to_string_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec, gboolean *need_free)
2256 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
2261 case MONO_NATIVE_LPWSTR:
2263 return MONO_MARSHAL_CONV_LPWSTR_STR;
2264 case MONO_NATIVE_LPSTR:
2265 case MONO_NATIVE_VBBYREFSTR:
2266 return MONO_MARSHAL_CONV_LPSTR_STR;
2267 case MONO_NATIVE_LPTSTR:
2268 return MONO_MARSHAL_CONV_LPTSTR_STR;
2269 case MONO_NATIVE_BSTR:
2270 return MONO_MARSHAL_CONV_BSTR_STR;
2276 static MonoMarshalConv
2277 mono_marshal_get_ptr_to_stringbuilder_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec, gboolean *need_free)
2279 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
2284 case MONO_NATIVE_LPWSTR:
2286 * mono_string_builder_to_utf16 does not allocate a
2287 * new buffer, so no need to free it.
2290 return MONO_MARSHAL_CONV_LPWSTR_SB;
2291 case MONO_NATIVE_LPSTR:
2292 return MONO_MARSHAL_CONV_LPSTR_SB;
2294 case MONO_NATIVE_LPTSTR:
2295 return MONO_MARSHAL_CONV_LPTSTR_SB;
2303 * Return whenever a field of a native structure or an array member needs to
2307 mono_marshal_need_free (MonoType *t, MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
2309 MonoMarshalNative encoding;
2310 MonoMarshalConv conv;
2313 case MONO_TYPE_VALUETYPE:
2314 /* FIXME: Optimize this */
2316 case MONO_TYPE_OBJECT:
2317 case MONO_TYPE_CLASS:
2318 if (t->data.klass == mono_defaults.stringbuilder_class) {
2320 conv = mono_marshal_get_ptr_to_stringbuilder_conv (piinfo, spec, &need_free);
2324 case MONO_TYPE_STRING:
2325 encoding = mono_marshal_get_string_encoding (piinfo, spec);
2326 return (encoding == MONO_NATIVE_LPWSTR) ? FALSE : TRUE;
2333 * Return the hash table pointed to by VAR, lazily creating it if neccesary.
2336 get_cache (GHashTable **var, GHashFunc hash_func, GCompareFunc equal_func)
2339 mono_marshal_lock ();
2342 g_hash_table_new (hash_func, equal_func);
2343 mono_memory_barrier ();
2346 mono_marshal_unlock ();
2352 get_cache_full (GHashTable **var, GHashFunc hash_func, GCompareFunc equal_func, GDestroyNotify key_destroy_func, GDestroyNotify value_destroy_func)
2355 mono_marshal_lock ();
2358 g_hash_table_new_full (hash_func, equal_func, key_destroy_func, value_destroy_func);
2359 mono_memory_barrier ();
2362 mono_marshal_unlock ();
2368 mono_marshal_get_cache (GHashTable **var, GHashFunc hash_func, GCompareFunc equal_func)
2370 return get_cache (var, hash_func, equal_func);
2374 mono_marshal_find_in_cache (GHashTable *cache, gpointer key)
2378 mono_marshal_lock ();
2379 res = g_hash_table_lookup (cache, key);
2380 mono_marshal_unlock ();
2384 /* Create the method from the builder and place it in the cache */
2386 mono_mb_create_and_cache (GHashTable *cache, gpointer key,
2387 MonoMethodBuilder *mb, MonoMethodSignature *sig,
2392 mono_marshal_lock ();
2393 res = g_hash_table_lookup (cache, key);
2394 mono_marshal_unlock ();
2397 newm = mono_mb_create_method (mb, sig, max_stack);
2398 mono_marshal_lock ();
2399 res = g_hash_table_lookup (cache, key);
2402 g_hash_table_insert (cache, key, res);
2403 mono_marshal_set_wrapper_info (res, key);
2404 mono_marshal_unlock ();
2406 mono_marshal_unlock ();
2407 mono_free_method (newm);
2415 static inline MonoMethod*
2416 mono_marshal_remoting_find_in_cache (MonoMethod *method, int wrapper_type)
2418 MonoMethod *res = NULL;
2419 MonoRemotingMethods *wrps;
2421 mono_marshal_lock ();
2422 if (method->klass->image->remoting_invoke_cache)
2423 wrps = g_hash_table_lookup (method->klass->image->remoting_invoke_cache, method);
2428 switch (wrapper_type) {
2429 case MONO_WRAPPER_REMOTING_INVOKE: res = wrps->invoke; break;
2430 case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK: res = wrps->invoke_with_check; break;
2431 case MONO_WRAPPER_XDOMAIN_INVOKE: res = wrps->xdomain_invoke; break;
2432 case MONO_WRAPPER_XDOMAIN_DISPATCH: res = wrps->xdomain_dispatch; break;
2436 /* it is important to do the unlock after the load from wrps, since in
2437 * mono_remoting_mb_create_and_cache () we drop the marshal lock to be able
2438 * to take the loader lock and some other thread may set the fields.
2440 mono_marshal_unlock ();
2444 /* Create the method from the builder and place it in the cache */
2445 static inline MonoMethod*
2446 mono_remoting_mb_create_and_cache (MonoMethod *key, MonoMethodBuilder *mb,
2447 MonoMethodSignature *sig, int max_stack)
2449 MonoMethod **res = NULL;
2450 MonoRemotingMethods *wrps;
2451 GHashTable *cache = get_cache_full (&key->klass->image->remoting_invoke_cache, mono_aligned_addr_hash, NULL, NULL, g_free);
2453 mono_marshal_lock ();
2454 wrps = g_hash_table_lookup (cache, key);
2456 wrps = g_new0 (MonoRemotingMethods, 1);
2457 g_hash_table_insert (cache, key, wrps);
2460 switch (mb->method->wrapper_type) {
2461 case MONO_WRAPPER_REMOTING_INVOKE: res = &wrps->invoke; break;
2462 case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK: res = &wrps->invoke_with_check; break;
2463 case MONO_WRAPPER_XDOMAIN_INVOKE: res = &wrps->xdomain_invoke; break;
2464 case MONO_WRAPPER_XDOMAIN_DISPATCH: res = &wrps->xdomain_dispatch; break;
2465 default: g_assert_not_reached (); break;
2467 mono_marshal_unlock ();
2471 newm = mono_mb_create_method (mb, sig, max_stack);
2473 mono_marshal_lock ();
2476 mono_marshal_set_wrapper_info (*res, key);
2477 mono_marshal_unlock ();
2479 mono_marshal_unlock ();
2480 mono_free_method (newm);
2488 mono_marshal_method_from_wrapper (MonoMethod *wrapper)
2491 int wrapper_type = wrapper->wrapper_type;
2493 if (wrapper_type == MONO_WRAPPER_NONE || wrapper_type == MONO_WRAPPER_DYNAMIC_METHOD)
2496 switch (wrapper_type) {
2497 case MONO_WRAPPER_REMOTING_INVOKE:
2498 case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK:
2499 case MONO_WRAPPER_XDOMAIN_INVOKE:
2500 case MONO_WRAPPER_SYNCHRONIZED:
2501 case MONO_WRAPPER_MANAGED_TO_NATIVE:
2502 case MONO_WRAPPER_RUNTIME_INVOKE:
2503 res = mono_method_get_wrapper_data (wrapper, 1);
2513 * mono_marshal_get_wrapper_info:
2515 * Retrieve the pointer stored by mono_marshal_set_wrapper_info.
2518 mono_marshal_get_wrapper_info (MonoMethod *wrapper)
2520 g_assert (wrapper->wrapper_type);
2522 return mono_method_get_wrapper_data (wrapper, 1);
2526 * mono_marshal_set_wrapper_info:
2528 * Store an arbitrary pointer inside the wrapper which is retrievable by
2529 * mono_marshal_get_wrapper_info. The format of the data depends on the type of the
2530 * wrapper (method->wrapper_type).
2533 mono_marshal_set_wrapper_info (MonoMethod *method, gpointer data)
2537 if (method->wrapper_type == MONO_WRAPPER_NONE || method->wrapper_type == MONO_WRAPPER_DYNAMIC_METHOD)
2540 datav = ((MonoMethodWrapper *)method)->method_data;
2545 * get_wrapper_target_class:
2547 * Return the class where a wrapper method should be placed.
2550 get_wrapper_target_class (MonoImage *image)
2556 * - can't put all wrappers into an mscorlib class, because they reference
2557 * metadata (signature) so they should be put into the same image as the
2558 * method they wrap, so they are unloaded together.
2559 * - putting them into a class with a type initalizer could cause the
2560 * initializer to be executed which can be a problem if the wrappers are
2562 * - putting them into an inflated class can cause problems if the the
2563 * class is deleted because it references an image which is unloaded.
2564 * To avoid these problems, we put the wrappers into the <Module> class of
2568 klass = ((MonoDynamicImage*)image)->wrappers_type;
2570 klass = mono_class_get (image, mono_metadata_make_token (MONO_TABLE_TYPEDEF, 1));
2577 mono_marshal_get_delegate_begin_invoke (MonoMethod *method)
2579 MonoMethodSignature *sig;
2580 MonoMethodBuilder *mb;
2586 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
2587 !strcmp (method->name, "BeginInvoke"));
2589 sig = mono_signature_no_pinvoke (method);
2591 cache = get_cache (&method->klass->image->delegate_begin_invoke_cache,
2592 (GHashFunc)mono_signature_hash,
2593 (GCompareFunc)mono_metadata_signature_equal);
2594 if ((res = mono_marshal_find_in_cache (cache, sig)))
2597 g_assert (sig->hasthis);
2599 name = mono_signature_to_name (sig, "begin_invoke");
2600 mb = mono_mb_new (get_wrapper_target_class (method->klass->image), name, MONO_WRAPPER_DELEGATE_BEGIN_INVOKE);
2603 params_var = mono_mb_emit_save_args (mb, sig, FALSE);
2605 mono_mb_emit_ldarg (mb, 0);
2606 mono_mb_emit_ldloc (mb, params_var);
2607 mono_mb_emit_icall (mb, mono_delegate_begin_invoke);
2608 mono_mb_emit_byte (mb, CEE_RET);
2610 res = mono_mb_create_and_cache (cache, sig, mb, sig, sig->param_count + 16);
2616 mono_delegate_end_invoke (MonoDelegate *delegate, gpointer *params)
2618 MonoDomain *domain = mono_domain_get ();
2619 MonoAsyncResult *ares;
2620 MonoMethod *method = NULL;
2621 MonoMethodSignature *sig;
2622 MonoMethodMessage *msg;
2623 MonoObject *res, *exc;
2624 MonoArray *out_args;
2627 g_assert (delegate);
2629 if (!delegate->method_info) {
2630 g_assert (delegate->method);
2631 MONO_OBJECT_SETREF (delegate, method_info, mono_method_get_object (domain, delegate->method, NULL));
2634 if (!delegate->method_info || !delegate->method_info->method)
2635 g_assert_not_reached ();
2637 klass = delegate->object.vtable->klass;
2639 method = mono_class_get_method_from_name (klass, "EndInvoke", -1);
2640 g_assert (method != NULL);
2642 sig = mono_signature_no_pinvoke (method);
2644 msg = mono_method_call_message_new (method, params, NULL, NULL, NULL);
2646 ares = mono_array_get (msg->args, gpointer, sig->param_count - 1);
2648 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."));
2652 if (ares->async_delegate != (MonoObject*)delegate) {
2653 mono_raise_exception (mono_get_exception_invalid_operation (
2654 "The IAsyncResult object provided does not match this delegate."));
2658 if (delegate->target && mono_object_class (delegate->target) == mono_defaults.transparent_proxy_class) {
2659 MonoTransparentProxy* tp = (MonoTransparentProxy *)delegate->target;
2660 msg = (MonoMethodMessage *)mono_object_new (domain, mono_defaults.mono_method_message_class);
2661 mono_message_init (domain, msg, delegate->method_info, NULL);
2662 msg->call_type = CallType_EndInvoke;
2663 MONO_OBJECT_SETREF (msg, async_result, ares);
2664 res = mono_remoting_invoke ((MonoObject *)tp->rp, msg, &exc, &out_args);
2666 res = mono_thread_pool_finish (ares, &out_args, &exc);
2670 if (((MonoException*)exc)->stack_trace) {
2671 char *strace = mono_string_to_utf8 (((MonoException*)exc)->stack_trace);
2673 tmp = g_strdup_printf ("%s\nException Rethrown at:\n", strace);
2675 MONO_OBJECT_SETREF (((MonoException*)exc), stack_trace, mono_string_new (domain, tmp));
2678 mono_raise_exception ((MonoException*)exc);
2681 mono_method_return_message_restore (method, params, out_args);
2686 mono_mb_emit_restore_result (MonoMethodBuilder *mb, MonoType *return_type)
2688 MonoType *t = mono_type_get_underlying_type (return_type);
2690 if (return_type->byref)
2691 return_type = &mono_defaults.int_class->byval_arg;
2694 case MONO_TYPE_VOID:
2695 g_assert_not_reached ();
2698 case MONO_TYPE_STRING:
2699 case MONO_TYPE_CLASS:
2700 case MONO_TYPE_OBJECT:
2701 case MONO_TYPE_ARRAY:
2702 case MONO_TYPE_SZARRAY:
2706 case MONO_TYPE_BOOLEAN:
2709 case MONO_TYPE_CHAR:
2719 mono_mb_emit_op (mb, CEE_UNBOX, mono_class_from_mono_type (return_type));
2720 mono_mb_emit_byte (mb, mono_type_to_ldind (return_type));
2722 case MONO_TYPE_GENERICINST:
2723 if (!mono_type_generic_inst_is_valuetype (t))
2726 case MONO_TYPE_VALUETYPE: {
2727 MonoClass *klass = mono_class_from_mono_type (return_type);
2728 mono_mb_emit_op (mb, CEE_UNBOX, klass);
2729 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
2733 g_warning ("type 0x%x not handled", return_type->type);
2734 g_assert_not_reached ();
2737 mono_mb_emit_byte (mb, CEE_RET);
2741 mono_marshal_get_delegate_end_invoke (MonoMethod *method)
2743 MonoMethodSignature *sig;
2744 MonoMethodBuilder *mb;
2750 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
2751 !strcmp (method->name, "EndInvoke"));
2753 sig = mono_signature_no_pinvoke (method);
2755 cache = get_cache (&method->klass->image->delegate_end_invoke_cache,
2756 (GHashFunc)mono_signature_hash,
2757 (GCompareFunc)mono_metadata_signature_equal);
2758 if ((res = mono_marshal_find_in_cache (cache, sig)))
2761 g_assert (sig->hasthis);
2763 name = mono_signature_to_name (sig, "end_invoke");
2764 mb = mono_mb_new (get_wrapper_target_class (method->klass->image), name, MONO_WRAPPER_DELEGATE_END_INVOKE);
2767 params_var = mono_mb_emit_save_args (mb, sig, FALSE);
2769 mono_mb_emit_ldarg (mb, 0);
2770 mono_mb_emit_ldloc (mb, params_var);
2771 mono_mb_emit_icall (mb, mono_delegate_end_invoke);
2773 if (sig->ret->type == MONO_TYPE_VOID) {
2774 mono_mb_emit_byte (mb, CEE_POP);
2775 mono_mb_emit_byte (mb, CEE_RET);
2777 mono_mb_emit_restore_result (mb, sig->ret);
2779 res = mono_mb_create_and_cache (cache, sig,
2780 mb, sig, sig->param_count + 16);
2787 mono_remoting_wrapper (MonoMethod *method, gpointer *params)
2789 MonoMethodMessage *msg;
2790 MonoTransparentProxy *this;
2791 MonoObject *res, *exc;
2792 MonoArray *out_args;
2794 this = *((MonoTransparentProxy **)params [0]);
2797 g_assert (((MonoObject *)this)->vtable->klass == mono_defaults.transparent_proxy_class);
2799 /* skip the this pointer */
2802 if (this->remote_class->proxy_class->contextbound && this->rp->context == (MonoObject *) mono_context_get ())
2805 MonoMethodSignature *sig = mono_method_signature (method);
2806 int count = sig->param_count;
2807 gpointer* mparams = (gpointer*) alloca(count*sizeof(gpointer));
2809 for (i=0; i<count; i++) {
2810 MonoClass *class = mono_class_from_mono_type (sig->params [i]);
2811 if (class->valuetype) {
2812 if (sig->params [i]->byref) {
2813 mparams[i] = *((gpointer *)params [i]);
2815 /* runtime_invoke expects a boxed instance */
2816 if (mono_class_is_nullable (mono_class_from_mono_type (sig->params [i])))
2817 mparams[i] = mono_nullable_box (params [i], class);
2819 mparams[i] = params [i];
2822 mparams[i] = *((gpointer**)params [i]);
2826 return mono_runtime_invoke (method, method->klass->valuetype? mono_object_unbox ((MonoObject*)this): this, mparams, NULL);
2829 msg = mono_method_call_message_new (method, params, NULL, NULL, NULL);
2831 res = mono_remoting_invoke ((MonoObject *)this->rp, msg, &exc, &out_args);
2834 mono_raise_exception ((MonoException *)exc);
2836 mono_method_return_message_restore (method, params, out_args);
2842 mono_marshal_get_remoting_invoke (MonoMethod *method)
2844 MonoMethodSignature *sig;
2845 MonoMethodBuilder *mb;
2851 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE || method->wrapper_type == MONO_WRAPPER_XDOMAIN_INVOKE)
2854 /* this seems to be the best plase to put this, as all remoting invokes seem to get filtered through here */
2855 if (method->klass->is_com_object || method->klass == mono_defaults.com_object_class) {
2856 MonoVTable *vtable = mono_class_vtable (mono_domain_get (), method->klass);
2857 g_assert (vtable); /*FIXME do proper error handling*/
2859 if (!vtable->remote) {
2861 return mono_cominterop_get_invoke (method);
2863 g_assert_not_reached ();
2868 sig = mono_signature_no_pinvoke (method);
2870 /* we cant remote methods without this pointer */
2874 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_REMOTING_INVOKE)))
2877 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_REMOTING_INVOKE);
2878 mb->method->save_lmf = 1;
2880 params_var = mono_mb_emit_save_args (mb, sig, TRUE);
2882 mono_mb_emit_ptr (mb, method);
2883 mono_mb_emit_ldloc (mb, params_var);
2884 mono_mb_emit_icall (mb, mono_remoting_wrapper);
2885 emit_thread_interrupt_checkpoint (mb);
2887 if (sig->ret->type == MONO_TYPE_VOID) {
2888 mono_mb_emit_byte (mb, CEE_POP);
2889 mono_mb_emit_byte (mb, CEE_RET);
2891 mono_mb_emit_restore_result (mb, sig->ret);
2894 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16);
2900 /* mono_get_xdomain_marshal_type()
2901 * Returns the kind of marshalling that a type needs for cross domain calls.
2903 static MonoXDomainMarshalType
2904 mono_get_xdomain_marshal_type (MonoType *t)
2907 case MONO_TYPE_VOID:
2908 g_assert_not_reached ();
2912 case MONO_TYPE_BOOLEAN:
2915 case MONO_TYPE_CHAR:
2922 return MONO_MARSHAL_NONE;
2923 case MONO_TYPE_STRING:
2924 return MONO_MARSHAL_COPY;
2925 case MONO_TYPE_ARRAY:
2926 case MONO_TYPE_SZARRAY: {
2927 MonoClass *elem_class = mono_class_from_mono_type (t)->element_class;
2928 if (mono_get_xdomain_marshal_type (&(elem_class->byval_arg)) != MONO_MARSHAL_SERIALIZE)
2929 return MONO_MARSHAL_COPY;
2934 return MONO_MARSHAL_SERIALIZE;
2938 /* mono_marshal_xdomain_copy_value
2939 * Makes a copy of "val" suitable for the current domain.
2942 mono_marshal_xdomain_copy_value (MonoObject *val)
2945 if (val == NULL) return NULL;
2947 domain = mono_domain_get ();
2949 switch (mono_object_class (val)->byval_arg.type) {
2950 case MONO_TYPE_VOID:
2951 g_assert_not_reached ();
2955 case MONO_TYPE_BOOLEAN:
2958 case MONO_TYPE_CHAR:
2964 case MONO_TYPE_R8: {
2965 return mono_value_box (domain, mono_object_class (val), ((char*)val) + sizeof(MonoObject));
2967 case MONO_TYPE_STRING: {
2968 MonoString *str = (MonoString *) val;
2969 return (MonoObject *) mono_string_new_utf16 (domain, mono_string_chars (str), mono_string_length (str));
2971 case MONO_TYPE_ARRAY:
2972 case MONO_TYPE_SZARRAY: {
2974 MonoXDomainMarshalType mt = mono_get_xdomain_marshal_type (&(mono_object_class (val)->element_class->byval_arg));
2975 if (mt == MONO_MARSHAL_SERIALIZE) return NULL;
2976 acopy = mono_array_clone_in_domain (domain, (MonoArray *) val);
2977 if (mt == MONO_MARSHAL_COPY) {
2978 int i, len = mono_array_length (acopy);
2979 for (i = 0; i < len; i++) {
2980 MonoObject *item = mono_array_get (acopy, gpointer, i);
2981 mono_array_setref (acopy, i, mono_marshal_xdomain_copy_value (item));
2984 return (MonoObject *) acopy;
2988 if (mono_object_class (val) == mono_defaults.stringbuilder_class) {
2989 MonoStringBuilder *oldsb = (MonoStringBuilder *) val;
2990 MonoStringBuilder *newsb = (MonoStringBuilder *) mono_object_new (domain, mono_defaults.stringbuilder_class);
2991 MONO_OBJECT_SETREF (newsb, str, mono_string_new_utf16 (domain, mono_string_chars (oldsb->str), mono_string_length (oldsb->str)));
2992 newsb->length = oldsb->length;
2993 newsb->max_capacity = (gint32)0x7fffffff;
2994 return (MonoObject *) newsb;
2999 /* mono_marshal_xdomain_copy_out_value()
3000 * Copies the contents of the src instance into the dst instance. src and dst
3001 * must have the same type, and if they are arrays, the same size.
3004 mono_marshal_xdomain_copy_out_value (MonoObject *src, MonoObject *dst)
3006 if (src == NULL || dst == NULL) return;
3008 g_assert (mono_object_class (src) == mono_object_class (dst));
3010 switch (mono_object_class (src)->byval_arg.type) {
3011 case MONO_TYPE_ARRAY:
3012 case MONO_TYPE_SZARRAY: {
3013 int mt = mono_get_xdomain_marshal_type (&(mono_object_class (src)->element_class->byval_arg));
3014 if (mt == MONO_MARSHAL_SERIALIZE) return;
3015 if (mt == MONO_MARSHAL_COPY) {
3016 int i, len = mono_array_length ((MonoArray *)dst);
3017 for (i = 0; i < len; i++) {
3018 MonoObject *item = mono_array_get ((MonoArray *)src, gpointer, i);
3019 mono_array_setref ((MonoArray *)dst, i, mono_marshal_xdomain_copy_value (item));
3022 mono_array_full_copy ((MonoArray *)src, (MonoArray *)dst);
3028 if (mono_object_class (src) == mono_defaults.stringbuilder_class) {
3029 MonoStringBuilder *src_sb = (MonoStringBuilder *) src;
3030 MonoStringBuilder *dst_sb = (MonoStringBuilder *) dst;
3032 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)));
3033 dst_sb->cached_str = NULL;
3034 dst_sb->length = src_sb->length;
3039 mono_marshal_emit_xdomain_copy_value (MonoMethodBuilder *mb, MonoClass *pclass)
3041 mono_mb_emit_icall (mb, mono_marshal_xdomain_copy_value);
3042 mono_mb_emit_op (mb, CEE_CASTCLASS, pclass);
3046 mono_marshal_emit_xdomain_copy_out_value (MonoMethodBuilder *mb, MonoClass *pclass)
3048 mono_mb_emit_icall (mb, mono_marshal_xdomain_copy_out_value);
3051 /* mono_marshal_supports_fast_xdomain()
3052 * Returns TRUE if the method can use the fast xdomain wrapper.
3055 mono_marshal_supports_fast_xdomain (MonoMethod *method)
3057 return !method->klass->contextbound &&
3058 !((method->flags & METHOD_ATTRIBUTE_SPECIAL_NAME) && (strcmp (".ctor", method->name) == 0));
3062 mono_marshal_set_domain_by_id (gint32 id, MonoBoolean push)
3064 MonoDomain *current_domain = mono_domain_get ();
3065 MonoDomain *domain = mono_domain_get_by_id (id);
3067 if (!domain || !mono_domain_set (domain, FALSE))
3068 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
3071 mono_thread_push_appdomain_ref (domain);
3073 mono_thread_pop_appdomain_ref ();
3075 return current_domain->domain_id;
3079 mono_marshal_emit_switch_domain (MonoMethodBuilder *mb)
3081 mono_mb_emit_icall (mb, mono_marshal_set_domain_by_id);
3084 /* mono_marshal_emit_load_domain_method ()
3085 * Loads into the stack a pointer to the code of the provided method for
3086 * the current domain.
3089 mono_marshal_emit_load_domain_method (MonoMethodBuilder *mb, MonoMethod *method)
3091 /* We need a pointer to the method for the running domain (not the domain
3092 * that compiles the method).
3094 mono_mb_emit_ptr (mb, method);
3095 mono_mb_emit_icall (mb, mono_compile_method);
3098 /* mono_marshal_check_domain_image ()
3099 * Returns TRUE if the image is loaded in the specified
3100 * application domain.
3103 mono_marshal_check_domain_image (gint32 domain_id, MonoImage *image)
3108 MonoDomain *domain = mono_domain_get_by_id (domain_id);
3112 mono_domain_assemblies_lock (domain);
3113 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
3115 if (ass->image == image)
3118 mono_domain_assemblies_unlock (domain);
3123 /* mono_marshal_get_xappdomain_dispatch ()
3124 * Generates a method that dispatches a method call from another domain into
3125 * the current domain.
3128 mono_marshal_get_xappdomain_dispatch (MonoMethod *method, int *marshal_types, int complex_count, int complex_out_count, int ret_marshal_type)
3130 MonoMethodSignature *sig, *csig;
3131 MonoMethodBuilder *mb;
3133 int i, j, param_index, copy_locals_base;
3134 MonoClass *ret_class = NULL;
3135 int loc_array=0, loc_return=0, loc_serialized_exc=0;
3136 MonoExceptionClause *main_clause;
3138 gboolean copy_return;
3140 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_XDOMAIN_DISPATCH)))
3143 sig = mono_method_signature (method);
3144 copy_return = (sig->ret->type != MONO_TYPE_VOID && ret_marshal_type != MONO_MARSHAL_SERIALIZE);
3147 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3 + sig->param_count - complex_count);
3148 csig->params [j++] = &mono_defaults.object_class->byval_arg;
3149 csig->params [j++] = &byte_array_class->this_arg;
3150 csig->params [j++] = &byte_array_class->this_arg;
3151 for (i = 0; i < sig->param_count; i++) {
3152 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE)
3153 csig->params [j++] = sig->params [i];
3156 csig->ret = sig->ret;
3158 csig->ret = &mono_defaults.void_class->byval_arg;
3160 csig->hasthis = FALSE;
3162 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_XDOMAIN_DISPATCH);
3163 mb->method->save_lmf = 1;
3167 loc_serialized_exc = mono_mb_add_local (mb, &byte_array_class->byval_arg);
3168 if (complex_count > 0)
3169 loc_array = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3170 if (sig->ret->type != MONO_TYPE_VOID) {
3171 loc_return = mono_mb_add_local (mb, sig->ret);
3172 ret_class = mono_class_from_mono_type (sig->ret);
3177 main_clause = mono_image_alloc0 (method->klass->image, sizeof (MonoExceptionClause));
3178 main_clause->try_offset = mono_mb_get_label (mb);
3180 /* Clean the call context */
3182 mono_mb_emit_byte (mb, CEE_LDNULL);
3183 mono_mb_emit_managed_call (mb, method_set_call_context, NULL);
3184 mono_mb_emit_byte (mb, CEE_POP);
3186 /* Deserialize call data */
3188 mono_mb_emit_ldarg (mb, 1);
3189 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3190 mono_mb_emit_byte (mb, CEE_DUP);
3191 pos = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
3193 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
3194 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
3196 if (complex_count > 0)
3197 mono_mb_emit_stloc (mb, loc_array);
3199 mono_mb_emit_byte (mb, CEE_POP);
3201 mono_mb_patch_short_branch (mb, pos);
3203 /* Get the target object */
3205 mono_mb_emit_ldarg (mb, 0);
3206 mono_mb_emit_managed_call (mb, method_rs_appdomain_target, NULL);
3208 /* Load the arguments */
3210 copy_locals_base = mb->locals;
3211 param_index = 3; // Index of the first non-serialized parameter of this wrapper
3213 for (i = 0; i < sig->param_count; i++) {
3214 MonoType *pt = sig->params [i];
3215 MonoClass *pclass = mono_class_from_mono_type (pt);
3216 switch (marshal_types [i]) {
3217 case MONO_MARSHAL_SERIALIZE: {
3218 /* take the value from the serialized array */
3219 mono_mb_emit_ldloc (mb, loc_array);
3220 mono_mb_emit_icon (mb, j++);
3222 if (pclass->valuetype) {
3223 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3224 mono_mb_emit_op (mb, CEE_UNBOX, pclass);
3226 mono_mb_emit_op (mb, CEE_LDELEMA, pclass);
3229 if (pclass->valuetype) {
3230 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3231 mono_mb_emit_op (mb, CEE_UNBOX, pclass);
3232 mono_mb_emit_op (mb, CEE_LDOBJ, pclass);
3234 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3235 if (pclass != mono_defaults.object_class) {
3236 mono_mb_emit_op (mb, CEE_CASTCLASS, pclass);
3242 case MONO_MARSHAL_COPY_OUT: {
3243 /* Keep a local copy of the value since we need to copy it back after the call */
3244 int copy_local = mono_mb_add_local (mb, &(pclass->byval_arg));
3245 mono_mb_emit_ldarg (mb, param_index++);
3246 mono_marshal_emit_xdomain_copy_value (mb, pclass);
3247 mono_mb_emit_byte (mb, CEE_DUP);
3248 mono_mb_emit_stloc (mb, copy_local);
3251 case MONO_MARSHAL_COPY: {
3252 mono_mb_emit_ldarg (mb, param_index);
3254 mono_mb_emit_byte (mb, CEE_DUP);
3255 mono_mb_emit_byte (mb, CEE_DUP);
3256 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3257 mono_marshal_emit_xdomain_copy_value (mb, pclass);
3258 mono_mb_emit_byte (mb, CEE_STIND_REF);
3260 mono_marshal_emit_xdomain_copy_value (mb, pclass);
3265 case MONO_MARSHAL_NONE:
3266 mono_mb_emit_ldarg (mb, param_index++);
3271 /* Make the call to the real object */
3273 emit_thread_force_interrupt_checkpoint (mb);
3275 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
3277 if (sig->ret->type != MONO_TYPE_VOID)
3278 mono_mb_emit_stloc (mb, loc_return);
3280 /* copy back MONO_MARSHAL_COPY_OUT parameters */
3284 for (i = 0; i < sig->param_count; i++) {
3285 if (marshal_types [i] == MONO_MARSHAL_SERIALIZE) continue;
3286 if (marshal_types [i] == MONO_MARSHAL_COPY_OUT) {
3287 mono_mb_emit_ldloc (mb, copy_locals_base + (j++));
3288 mono_mb_emit_ldarg (mb, param_index);
3289 mono_marshal_emit_xdomain_copy_out_value (mb, mono_class_from_mono_type (sig->params [i]));
3294 /* Serialize the return values */
3296 if (complex_out_count > 0) {
3297 /* Reset parameters in the array that don't need to be serialized back */
3299 for (i = 0; i < sig->param_count; i++) {
3300 if (marshal_types[i] != MONO_MARSHAL_SERIALIZE) continue;
3301 if (!sig->params [i]->byref) {
3302 mono_mb_emit_ldloc (mb, loc_array);
3303 mono_mb_emit_icon (mb, j);
3304 mono_mb_emit_byte (mb, CEE_LDNULL);
3305 mono_mb_emit_byte (mb, CEE_STELEM_REF);
3310 /* Add the return value to the array */
3312 if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
3313 mono_mb_emit_ldloc (mb, loc_array);
3314 mono_mb_emit_icon (mb, complex_count); /* The array has an additional slot to hold the ret value */
3315 mono_mb_emit_ldloc (mb, loc_return);
3317 g_assert (ret_class); /*FIXME properly fail here*/
3318 if (ret_class->valuetype) {
3319 mono_mb_emit_op (mb, CEE_BOX, ret_class);
3321 mono_mb_emit_byte (mb, CEE_STELEM_REF);
3326 mono_mb_emit_ldarg (mb, 1);
3327 mono_mb_emit_ldloc (mb, loc_array);
3328 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3329 mono_mb_emit_byte (mb, CEE_STIND_REF);
3330 } else if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
3331 mono_mb_emit_ldarg (mb, 1);
3332 mono_mb_emit_ldloc (mb, loc_return);
3333 if (ret_class->valuetype) {
3334 mono_mb_emit_op (mb, CEE_BOX, ret_class);
3336 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3337 mono_mb_emit_byte (mb, CEE_STIND_REF);
3339 mono_mb_emit_ldarg (mb, 1);
3340 mono_mb_emit_byte (mb, CEE_LDNULL);
3341 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3342 mono_mb_emit_byte (mb, CEE_STIND_REF);
3345 mono_mb_emit_ldarg (mb, 2);
3346 mono_mb_emit_byte (mb, CEE_LDNULL);
3347 mono_mb_emit_byte (mb, CEE_STIND_REF);
3348 pos_leave = mono_mb_emit_branch (mb, CEE_LEAVE);
3350 /* Main exception catch */
3351 main_clause->flags = MONO_EXCEPTION_CLAUSE_NONE;
3352 main_clause->try_len = mono_mb_get_pos (mb) - main_clause->try_offset;
3353 main_clause->data.catch_class = mono_defaults.object_class;
3356 main_clause->handler_offset = mono_mb_get_label (mb);
3357 mono_mb_emit_managed_call (mb, method_rs_serialize_exc, NULL);
3358 mono_mb_emit_stloc (mb, loc_serialized_exc);
3359 mono_mb_emit_ldarg (mb, 2);
3360 mono_mb_emit_ldloc (mb, loc_serialized_exc);
3361 mono_mb_emit_byte (mb, CEE_STIND_REF);
3362 mono_mb_emit_branch (mb, CEE_LEAVE);
3363 main_clause->handler_len = mono_mb_get_pos (mb) - main_clause->handler_offset;
3366 mono_mb_patch_branch (mb, pos_leave);
3369 mono_mb_emit_ldloc (mb, loc_return);
3371 mono_mb_emit_byte (mb, CEE_RET);
3373 mono_mb_set_clauses (mb, 1, main_clause);
3375 res = mono_remoting_mb_create_and_cache (method, mb, csig, csig->param_count + 16);
3381 /* mono_marshal_get_xappdomain_invoke ()
3382 * Generates a fast remoting wrapper for cross app domain calls.
3385 mono_marshal_get_xappdomain_invoke (MonoMethod *method)
3387 MonoMethodSignature *sig;
3388 MonoMethodBuilder *mb;
3390 int i, j, complex_count, complex_out_count, copy_locals_base;
3392 MonoClass *ret_class = NULL;
3393 MonoMethod *xdomain_method;
3394 int ret_marshal_type = MONO_MARSHAL_NONE;
3395 int loc_array=0, loc_serialized_data=-1, loc_real_proxy;
3396 int loc_old_domainid, loc_domainid, loc_return=0, loc_serialized_exc=0, loc_context;
3397 int pos, pos_dispatch, pos_noex;
3398 gboolean copy_return = FALSE;
3402 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE || method->wrapper_type == MONO_WRAPPER_XDOMAIN_INVOKE)
3405 /* we cant remote methods without this pointer */
3406 if (!mono_method_signature (method)->hasthis)
3409 if (!mono_marshal_supports_fast_xdomain (method))
3410 return mono_marshal_get_remoting_invoke (method);
3412 mono_remoting_marshal_init ();
3414 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_XDOMAIN_INVOKE)))
3417 sig = mono_signature_no_pinvoke (method);
3419 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_XDOMAIN_INVOKE);
3420 mb->method->save_lmf = 1;
3422 /* Count the number of parameters that need to be serialized */
3424 marshal_types = alloca (sizeof (int) * sig->param_count);
3425 complex_count = complex_out_count = 0;
3426 for (i = 0; i < sig->param_count; i++) {
3427 MonoType *ptype = sig->params[i];
3428 int mt = mono_get_xdomain_marshal_type (ptype);
3430 /* If the [Out] attribute is applied to a parameter that can be internally copied,
3431 * the copy will be made by reusing the original object instance
3433 if ((ptype->attrs & PARAM_ATTRIBUTE_OUT) != 0 && mt == MONO_MARSHAL_COPY && !ptype->byref)
3434 mt = MONO_MARSHAL_COPY_OUT;
3435 else if (mt == MONO_MARSHAL_SERIALIZE) {
3437 if (ptype->byref) complex_out_count++;
3439 marshal_types [i] = mt;
3442 if (sig->ret->type != MONO_TYPE_VOID) {
3443 ret_marshal_type = mono_get_xdomain_marshal_type (sig->ret);
3444 ret_class = mono_class_from_mono_type (sig->ret);
3445 copy_return = ret_marshal_type != MONO_MARSHAL_SERIALIZE;
3450 if (complex_count > 0)
3451 loc_array = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3452 loc_serialized_data = mono_mb_add_local (mb, &byte_array_class->byval_arg);
3453 loc_real_proxy = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3455 loc_return = mono_mb_add_local (mb, sig->ret);
3456 loc_old_domainid = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
3457 loc_domainid = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
3458 loc_serialized_exc = mono_mb_add_local (mb, &byte_array_class->byval_arg);
3459 loc_context = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3461 /* Save thread domain data */
3463 mono_mb_emit_icall (mb, mono_context_get);
3464 mono_mb_emit_byte (mb, CEE_DUP);
3465 mono_mb_emit_stloc (mb, loc_context);
3467 /* If the thread is not running in the default context, it needs to go
3468 * through the whole remoting sink, since the context is going to change
3470 mono_mb_emit_managed_call (mb, method_needs_context_sink, NULL);
3471 pos = mono_mb_emit_short_branch (mb, CEE_BRTRUE_S);
3473 /* Another case in which the fast path can't be used: when the target domain
3474 * has a different image for the same assembly.
3477 /* Get the target domain id */
3479 mono_mb_emit_ldarg (mb, 0);
3480 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
3481 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3482 mono_mb_emit_byte (mb, CEE_DUP);
3483 mono_mb_emit_stloc (mb, loc_real_proxy);
3485 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoRealProxy, target_domain_id));
3486 mono_mb_emit_byte (mb, CEE_LDIND_I4);
3487 mono_mb_emit_stloc (mb, loc_domainid);
3489 /* Check if the target domain has the same image for the required assembly */
3491 mono_mb_emit_ldloc (mb, loc_domainid);
3492 mono_mb_emit_ptr (mb, method->klass->image);
3493 mono_mb_emit_icall (mb, mono_marshal_check_domain_image);
3494 pos_dispatch = mono_mb_emit_short_branch (mb, CEE_BRTRUE_S);
3496 /* Use the whole remoting sink to dispatch this message */
3498 mono_mb_patch_short_branch (mb, pos);
3500 mono_mb_emit_ldarg (mb, 0);
3501 for (i = 0; i < sig->param_count; i++)
3502 mono_mb_emit_ldarg (mb, i + 1);
3504 mono_mb_emit_managed_call (mb, mono_marshal_get_remoting_invoke (method), NULL);
3505 mono_mb_emit_byte (mb, CEE_RET);
3506 mono_mb_patch_short_branch (mb, pos_dispatch);
3508 /* Create the array that will hold the parameters to be serialized */
3510 if (complex_count > 0) {
3511 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 */
3512 mono_mb_emit_op (mb, CEE_NEWARR, mono_defaults.object_class);
3515 for (i = 0; i < sig->param_count; i++) {
3517 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE) continue;
3518 pclass = mono_class_from_mono_type (sig->params[i]);
3519 mono_mb_emit_byte (mb, CEE_DUP);
3520 mono_mb_emit_icon (mb, j);
3521 mono_mb_emit_ldarg (mb, i + 1); /* 0=this */
3522 if (sig->params[i]->byref) {
3523 if (pclass->valuetype)
3524 mono_mb_emit_op (mb, CEE_LDOBJ, pclass);
3526 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3528 if (pclass->valuetype)
3529 mono_mb_emit_op (mb, CEE_BOX, pclass);
3530 mono_mb_emit_byte (mb, CEE_STELEM_REF);
3533 mono_mb_emit_stloc (mb, loc_array);
3535 /* Serialize parameters */
3537 mono_mb_emit_ldloc (mb, loc_array);
3538 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3539 mono_mb_emit_stloc (mb, loc_serialized_data);
3541 mono_mb_emit_byte (mb, CEE_LDNULL);
3542 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3543 mono_mb_emit_stloc (mb, loc_serialized_data);
3548 mono_mb_emit_ldloc (mb, loc_domainid);
3549 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
3550 mono_marshal_emit_switch_domain (mb);
3551 mono_mb_emit_stloc (mb, loc_old_domainid);
3553 /* Load the arguments */
3555 mono_mb_emit_ldloc (mb, loc_real_proxy);
3556 mono_mb_emit_ldloc_addr (mb, loc_serialized_data);
3557 mono_mb_emit_ldloc_addr (mb, loc_serialized_exc);
3559 copy_locals_base = mb->locals;
3560 for (i = 0; i < sig->param_count; i++) {
3561 switch (marshal_types [i]) {
3562 case MONO_MARSHAL_SERIALIZE:
3564 case MONO_MARSHAL_COPY: {
3565 mono_mb_emit_ldarg (mb, i+1);
3566 if (sig->params [i]->byref) {
3567 /* make a local copy of the byref parameter. The real parameter
3568 * will be updated after the xdomain call
3570 MonoClass *pclass = mono_class_from_mono_type (sig->params [i]);
3571 int copy_local = mono_mb_add_local (mb, &(pclass->byval_arg));
3572 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3573 mono_mb_emit_stloc (mb, copy_local);
3574 mono_mb_emit_ldloc_addr (mb, copy_local);
3578 case MONO_MARSHAL_COPY_OUT:
3579 case MONO_MARSHAL_NONE:
3580 mono_mb_emit_ldarg (mb, i+1);
3585 /* Make the call to the invoke wrapper in the target domain */
3587 xdomain_method = mono_marshal_get_xappdomain_dispatch (method, marshal_types, complex_count, complex_out_count, ret_marshal_type);
3588 mono_marshal_emit_load_domain_method (mb, xdomain_method);
3589 mono_mb_emit_calli (mb, mono_method_signature (xdomain_method));
3592 mono_mb_emit_stloc (mb, loc_return);
3596 mono_mb_emit_ldloc (mb, loc_old_domainid);
3597 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
3598 mono_marshal_emit_switch_domain (mb);
3599 mono_mb_emit_byte (mb, CEE_POP);
3601 /* Restore thread domain data */
3603 mono_mb_emit_ldloc (mb, loc_context);
3604 mono_mb_emit_icall (mb, mono_context_set);
3606 /* if (loc_serialized_exc != null) ... */
3608 mono_mb_emit_ldloc (mb, loc_serialized_exc);
3609 pos_noex = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
3611 mono_mb_emit_ldloc (mb, loc_serialized_exc);
3612 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
3613 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
3614 mono_mb_emit_op (mb, CEE_CASTCLASS, mono_defaults.exception_class);
3615 mono_mb_emit_managed_call (mb, method_exc_fixexc, NULL);
3616 mono_mb_emit_byte (mb, CEE_THROW);
3617 mono_mb_patch_short_branch (mb, pos_noex);
3619 /* copy back non-serialized output parameters */
3622 for (i = 0; i < sig->param_count; i++) {
3623 if (!sig->params [i]->byref || marshal_types [i] != MONO_MARSHAL_COPY) continue;
3624 mono_mb_emit_ldarg (mb, i + 1);
3625 mono_mb_emit_ldloc (mb, copy_locals_base + (j++));
3626 mono_marshal_emit_xdomain_copy_value (mb, mono_class_from_mono_type (sig->params [i]));
3627 mono_mb_emit_byte (mb, CEE_STIND_REF);
3630 /* Deserialize out parameters */
3632 if (complex_out_count > 0) {
3633 mono_mb_emit_ldloc (mb, loc_serialized_data);
3634 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
3635 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
3636 mono_mb_emit_stloc (mb, loc_array);
3638 /* Copy back output parameters and return type */
3641 for (i = 0; i < sig->param_count; i++) {
3642 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE) continue;
3643 if (sig->params[i]->byref) {
3644 MonoClass *pclass = mono_class_from_mono_type (sig->params [i]);
3645 mono_mb_emit_ldarg (mb, i + 1);
3646 mono_mb_emit_ldloc (mb, loc_array);
3647 mono_mb_emit_icon (mb, j);
3648 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3649 if (pclass->valuetype) {
3650 mono_mb_emit_op (mb, CEE_UNBOX, pclass);
3651 mono_mb_emit_op (mb, CEE_LDOBJ, pclass);
3652 mono_mb_emit_op (mb, CEE_STOBJ, pclass);
3654 if (pclass != mono_defaults.object_class)
3655 mono_mb_emit_op (mb, CEE_CASTCLASS, pclass);
3656 mono_mb_emit_byte (mb, CEE_STIND_REF);
3662 if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
3663 mono_mb_emit_ldloc (mb, loc_array);
3664 mono_mb_emit_icon (mb, complex_count);
3665 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3666 if (ret_class->valuetype) {
3667 mono_mb_emit_op (mb, CEE_UNBOX, ret_class);
3668 mono_mb_emit_op (mb, CEE_LDOBJ, ret_class);
3671 } else if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
3672 mono_mb_emit_ldloc (mb, loc_serialized_data);
3673 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
3674 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
3675 if (ret_class->valuetype) {
3676 mono_mb_emit_op (mb, CEE_UNBOX, ret_class);
3677 mono_mb_emit_op (mb, CEE_LDOBJ, ret_class);
3678 } else if (ret_class != mono_defaults.object_class) {
3679 mono_mb_emit_op (mb, CEE_CASTCLASS, ret_class);
3682 mono_mb_emit_ldloc (mb, loc_serialized_data);
3683 mono_mb_emit_byte (mb, CEE_DUP);
3684 pos = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
3685 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
3687 mono_mb_patch_short_branch (mb, pos);
3688 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
3689 mono_mb_emit_byte (mb, CEE_POP);
3693 mono_mb_emit_ldloc (mb, loc_return);
3694 if (ret_marshal_type == MONO_MARSHAL_COPY)
3695 mono_marshal_emit_xdomain_copy_value (mb, ret_class);
3698 mono_mb_emit_byte (mb, CEE_RET);
3700 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16);
3707 mono_marshal_get_remoting_invoke_for_target (MonoMethod *method, MonoRemotingTarget target_type)
3709 if (target_type == MONO_REMOTING_TARGET_APPDOMAIN) {
3710 return mono_marshal_get_xappdomain_invoke (method);
3711 } else if (target_type == MONO_REMOTING_TARGET_COMINTEROP) {
3713 return mono_cominterop_get_invoke (method);
3715 g_assert_not_reached ();
3718 return mono_marshal_get_remoting_invoke (method);
3724 G_GNUC_UNUSED static gpointer
3725 mono_marshal_load_remoting_wrapper (MonoRealProxy *rp, MonoMethod *method)
3727 if (rp->target_domain_id != -1)
3728 return mono_compile_method (mono_marshal_get_xappdomain_invoke (method));
3730 return mono_compile_method (mono_marshal_get_remoting_invoke (method));
3734 mono_marshal_get_remoting_invoke_with_check (MonoMethod *method)
3736 MonoMethodSignature *sig;
3737 MonoMethodBuilder *mb;
3738 MonoMethod *res, *native;
3739 int i, pos, pos_rem;
3743 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK)
3746 /* we cant remote methods without this pointer */
3747 g_assert (mono_method_signature (method)->hasthis);
3749 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK)))
3752 sig = mono_signature_no_pinvoke (method);
3754 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK);
3756 for (i = 0; i <= sig->param_count; i++)
3757 mono_mb_emit_ldarg (mb, i);
3759 mono_mb_emit_ldarg (mb, 0);
3760 pos = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
3762 if (mono_marshal_supports_fast_xdomain (method)) {
3763 mono_mb_emit_ldarg (mb, 0);
3764 pos_rem = mono_mb_emit_xdomain_check (mb, CEE_BEQ);
3766 /* wrapper for cross app domain calls */
3767 native = mono_marshal_get_xappdomain_invoke (method);
3768 mono_mb_emit_managed_call (mb, native, mono_method_signature (native));
3769 mono_mb_emit_byte (mb, CEE_RET);
3771 mono_mb_patch_branch (mb, pos_rem);
3773 /* wrapper for normal remote calls */
3774 native = mono_marshal_get_remoting_invoke (method);
3775 mono_mb_emit_managed_call (mb, native, mono_method_signature (native));
3776 mono_mb_emit_byte (mb, CEE_RET);
3779 mono_mb_patch_branch (mb, pos);
3780 mono_mb_emit_managed_call (mb, method, mono_method_signature (method));
3781 mono_mb_emit_byte (mb, CEE_RET);
3783 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16);
3791 MonoMethodSignature *sig;
3793 } SignatureMethodPair;
3796 signature_method_pair_hash (gconstpointer data)
3798 SignatureMethodPair *pair = (SignatureMethodPair*)data;
3800 return mono_signature_hash (pair->sig) ^ mono_aligned_addr_hash (pair->method);
3804 signature_method_pair_equal (SignatureMethodPair *pair1, SignatureMethodPair *pair2)
3806 return mono_metadata_signature_equal (pair1->sig, pair2->sig) && (pair1->method == pair2->method);
3810 signature_method_pair_matches_method (gpointer key, gpointer value, gpointer user_data)
3812 SignatureMethodPair *pair = (SignatureMethodPair*)key;
3813 MonoMethod *method = (MonoMethod*)user_data;
3815 return pair->method == method;
3819 free_signature_method_pair (SignatureMethodPair *pair)
3825 * the returned method invokes all methods in a multicast delegate.
3828 mono_marshal_get_delegate_invoke (MonoMethod *method, MonoDelegate *del)
3830 MonoMethodSignature *sig, *static_sig, *invoke_sig;
3832 MonoMethodBuilder *mb;
3833 MonoMethod *res, *newm;
3835 SignatureMethodPair key;
3836 SignatureMethodPair *new_key;
3837 int local_prev, local_target;
3840 MonoMethod *target_method = NULL;
3841 MonoClass *target_class = NULL;
3842 gboolean callvirt = FALSE;
3843 gboolean closed_over_null = FALSE;
3844 gboolean static_method_with_first_arg_bound = FALSE;
3847 * If the delegate target is null, and the target method is not static, a virtual
3848 * call is made to that method with the first delegate argument as this. This is
3849 * a non-documented .NET feature.
3851 if (del && !del->target && del->method && mono_method_signature (del->method)->hasthis) {
3853 target_method = del->method;
3854 if (target_method->is_inflated) {
3855 MonoType *target_type;
3857 g_assert (method->signature->hasthis);
3858 target_type = mono_class_inflate_generic_type (method->signature->params [0],
3859 mono_method_get_context (method));
3860 target_class = mono_class_from_mono_type (target_type);
3862 target_class = del->method->klass;
3866 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
3867 !strcmp (method->name, "Invoke"));
3869 invoke_sig = sig = mono_signature_no_pinvoke (method);
3872 closed_over_null = sig->param_count == mono_method_signature (del->method)->param_count;
3874 if (del && del->method && mono_method_signature (del->method)->param_count == sig->param_count + 1 && (del->method->flags & METHOD_ATTRIBUTE_STATIC)) {
3875 invoke_sig = mono_method_signature (del->method);
3876 target_method = del->method;
3877 static_method_with_first_arg_bound = TRUE;
3880 if (callvirt || static_method_with_first_arg_bound) {
3881 GHashTable **cache_ptr;
3882 if (static_method_with_first_arg_bound)
3883 cache_ptr = &method->klass->image->delegate_bound_static_invoke_cache;
3885 cache_ptr = &method->klass->image->delegate_abstract_invoke_cache;
3887 /* We need to cache the signature+method pair */
3888 mono_marshal_lock ();
3890 *cache_ptr = g_hash_table_new_full (signature_method_pair_hash, (GEqualFunc)signature_method_pair_equal, (GDestroyNotify)free_signature_method_pair, NULL);
3892 key.sig = invoke_sig;
3893 key.method = target_method;
3894 res = g_hash_table_lookup (cache, &key);
3895 mono_marshal_unlock ();
3899 cache = get_cache (&method->klass->image->delegate_invoke_cache,
3900 (GHashFunc)mono_signature_hash,
3901 (GCompareFunc)mono_metadata_signature_equal);
3902 if ((res = mono_marshal_find_in_cache (cache, sig)))
3906 static_sig = signature_dup (method->klass->image, sig);
3907 static_sig->hasthis = 0;
3908 if (!static_method_with_first_arg_bound)
3909 invoke_sig = static_sig;
3911 name = mono_signature_to_name (sig, "invoke");
3912 mb = mono_mb_new (get_wrapper_target_class (method->klass->image), name, MONO_WRAPPER_DELEGATE_INVOKE);
3915 /* allocate local 0 (object) */
3916 local_target = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3917 local_prev = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3919 g_assert (sig->hasthis);
3923 * prev.Invoke( args .. );
3924 * return this.<target>( args .. );
3927 /* this wrapper can be used in unmanaged-managed transitions */
3928 emit_thread_interrupt_checkpoint (mb);
3930 /* get this->prev */
3931 mono_mb_emit_ldarg (mb, 0);
3932 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoMulticastDelegate, prev));
3933 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3934 mono_mb_emit_stloc (mb, local_prev);
3935 mono_mb_emit_ldloc (mb, local_prev);
3937 /* if prev != null */
3938 pos0 = mono_mb_emit_branch (mb, CEE_BRFALSE);
3942 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3943 mono_mb_emit_byte (mb, CEE_MONO_NOT_TAKEN);
3945 mono_mb_emit_ldloc (mb, local_prev);
3946 for (i = 0; i < sig->param_count; i++)
3947 mono_mb_emit_ldarg (mb, i + 1);
3948 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
3949 if (sig->ret->type != MONO_TYPE_VOID)
3950 mono_mb_emit_byte (mb, CEE_POP);
3952 /* continued or prev == null */
3953 mono_mb_patch_branch (mb, pos0);
3955 /* get this->target */
3956 mono_mb_emit_ldarg (mb, 0);
3957 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, target));
3958 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3959 mono_mb_emit_stloc (mb, local_target);
3961 /*static methods with bound first arg can have null target and still be bound*/
3962 if (!static_method_with_first_arg_bound) {
3963 /* if target != null */
3964 mono_mb_emit_ldloc (mb, local_target);
3965 pos0 = mono_mb_emit_branch (mb, CEE_BRFALSE);
3967 /* then call this->method_ptr nonstatic */
3970 mono_mb_emit_exception_full (mb, "System", "NotImplementedException", "");
3972 mono_mb_emit_ldloc (mb, local_target);
3973 for (i = 0; i < sig->param_count; ++i)
3974 mono_mb_emit_ldarg (mb, i + 1);
3975 mono_mb_emit_ldarg (mb, 0);
3976 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, method_ptr));
3977 mono_mb_emit_byte (mb, CEE_LDIND_I );
3978 mono_mb_emit_op (mb, CEE_CALLI, sig);
3980 mono_mb_emit_byte (mb, CEE_RET);
3983 /* else [target == null] call this->method_ptr static */
3984 mono_mb_patch_branch (mb, pos0);
3988 if (!closed_over_null) {
3989 mono_mb_emit_ldarg (mb, 1);
3990 mono_mb_emit_op (mb, CEE_CASTCLASS, target_class);
3991 for (i = 1; i < sig->param_count; ++i)
3992 mono_mb_emit_ldarg (mb, i + 1);
3993 mono_mb_emit_op (mb, CEE_CALLVIRT, target_method);
3995 mono_mb_emit_byte (mb, CEE_LDNULL);
3996 for (i = 0; i < sig->param_count; ++i)
3997 mono_mb_emit_ldarg (mb, i + 1);
3998 mono_mb_emit_op (mb, CEE_CALL, target_method);
4001 if (static_method_with_first_arg_bound) {
4002 mono_mb_emit_ldloc (mb, local_target);
4003 if (!MONO_TYPE_IS_REFERENCE (invoke_sig->params[0]))
4004 mono_mb_emit_op (mb, CEE_UNBOX_ANY, mono_class_from_mono_type (invoke_sig->params[0]));
4006 for (i = 0; i < sig->param_count; ++i)
4007 mono_mb_emit_ldarg (mb, i + 1);
4008 mono_mb_emit_ldarg (mb, 0);
4009 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, method_ptr));
4010 mono_mb_emit_byte (mb, CEE_LDIND_I );
4011 mono_mb_emit_op (mb, CEE_CALLI, invoke_sig);
4014 mono_mb_emit_byte (mb, CEE_RET);
4016 if (static_method_with_first_arg_bound || callvirt) {
4017 // From mono_mb_create_and_cache
4018 mb->skip_visibility = 1;
4019 newm = mono_mb_create_method (mb, sig, sig->param_count + 16);
4020 /*We perform double checked locking, so must fence before publishing*/
4021 mono_memory_barrier ();
4022 mono_marshal_lock ();
4023 res = g_hash_table_lookup (cache, &key);
4026 new_key = g_new0 (SignatureMethodPair, 1);
4028 if (static_method_with_first_arg_bound)
4029 new_key->sig = signature_dup (del->method->klass->image, key.sig);
4030 g_hash_table_insert (cache, new_key, res);
4031 mono_marshal_set_wrapper_info (res, new_key);
4032 mono_marshal_unlock ();
4034 mono_marshal_unlock ();
4035 mono_free_method (newm);
4038 mb->skip_visibility = 1;
4039 res = mono_mb_create_and_cache (cache, sig, mb, sig, sig->param_count + 16);
4047 * signature_dup_add_this:
4049 * Make a copy of @sig, adding an explicit this argument.
4051 static MonoMethodSignature*
4052 signature_dup_add_this (MonoMethodSignature *sig, MonoClass *klass)
4054 MonoMethodSignature *res;
4057 res = mono_metadata_signature_alloc (klass->image, sig->param_count + 1);
4058 memcpy (res, sig, MONO_SIZEOF_METHOD_SIGNATURE);
4059 res->param_count = sig->param_count + 1;
4060 res->hasthis = FALSE;
4061 for (i = sig->param_count - 1; i >= 0; i --)
4062 res->params [i + 1] = sig->params [i];
4063 res->params [0] = klass->valuetype ? &klass->this_arg : &klass->byval_arg;
4069 MonoMethodSignature *ctor_sig;
4070 MonoMethodSignature *sig;
4073 /* protected by the marshal lock, contains CtorSigPair pointers */
4074 static GSList *strsig_list = NULL;
4076 static MonoMethodSignature *
4077 lookup_string_ctor_signature (MonoMethodSignature *sig)
4079 MonoMethodSignature *callsig;
4083 mono_marshal_lock ();
4085 for (item = strsig_list; item; item = item->next) {
4087 /* mono_metadata_signature_equal () is safe to call with the marshal lock
4088 * because it is lock-free.
4090 if (mono_metadata_signature_equal (sig, cs->ctor_sig)) {
4095 mono_marshal_unlock ();
4099 static MonoMethodSignature *
4100 add_string_ctor_signature (MonoMethod *method)
4102 MonoMethodSignature *callsig;
4105 callsig = signature_dup (method->klass->image, mono_method_signature (method));
4106 callsig->ret = &mono_defaults.string_class->byval_arg;
4107 cs = g_new (CtorSigPair, 1);
4109 cs->ctor_sig = mono_method_signature (method);
4111 mono_marshal_lock ();
4112 strsig_list = g_slist_prepend (strsig_list, cs);
4113 mono_marshal_unlock ();
4118 * mono_marshal_get_string_ctor_signature:
4120 * Return the modified signature used by string ctors (they return the newly created
4123 MonoMethodSignature*
4124 mono_marshal_get_string_ctor_signature (MonoMethod *method)
4126 MonoMethodSignature *sig = lookup_string_ctor_signature (mono_method_signature (method));
4128 sig = add_string_ctor_signature (method);
4134 get_runtime_invoke_type (MonoType *t, gboolean ret)
4137 /* Can't share this with 'I' as that needs another indirection */
4140 if (MONO_TYPE_IS_REFERENCE (t))
4141 return &mono_defaults.object_class->byval_arg;
4144 /* The result needs to be boxed */
4150 return &mono_defaults.sbyte_class->byval_arg;
4152 return &mono_defaults.int16_class->byval_arg;
4154 return &mono_defaults.int32_class->byval_arg;
4156 return &mono_defaults.int64_class->byval_arg;
4157 case MONO_TYPE_BOOLEAN:
4158 return &mono_defaults.sbyte_class->byval_arg;
4159 case MONO_TYPE_CHAR:
4160 return &mono_defaults.int16_class->byval_arg;
4163 return &mono_defaults.int_class->byval_arg;
4164 case MONO_TYPE_VALUETYPE:
4165 if (t->data.klass->enumtype) {
4166 t = mono_class_enum_basetype (t->data.klass);
4176 * mono_marshal_get_runtime_invoke_sig:
4178 * Return a common signature used for sharing runtime invoke wrappers.
4180 static MonoMethodSignature*
4181 mono_marshal_get_runtime_invoke_sig (MonoMethodSignature *sig)
4183 MonoMethodSignature *res = mono_metadata_signature_dup (sig);
4186 res->ret = get_runtime_invoke_type (sig->ret, TRUE);
4187 for (i = 0; i < res->param_count; ++i)
4188 res->params [i] = get_runtime_invoke_type (sig->params [i], FALSE);
4194 runtime_invoke_signature_equal (MonoMethodSignature *sig1, MonoMethodSignature *sig2)
4196 /* Can't share wrappers which return a vtype since it needs to be boxed */
4197 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))
4200 return mono_metadata_signature_equal (sig1, sig2);
4206 * Emit the call to the wrapper method from a runtime invoke wrapper.
4209 emit_invoke_call (MonoMethodBuilder *mb, MonoMethod *method,
4210 MonoMethodSignature *sig, MonoMethodSignature *callsig,
4212 gboolean virtual, gboolean need_direct_wrapper)
4214 static MonoString *string_dummy = NULL;
4216 int *tmp_nullable_locals;
4217 gboolean void_ret = FALSE;
4219 /* to make it work with our special string constructors */
4220 if (!string_dummy) {
4221 MONO_GC_REGISTER_ROOT_SINGLE (string_dummy);
4222 string_dummy = mono_string_new_wrapper ("dummy");
4226 g_assert (sig->hasthis);
4227 g_assert (method->flags & METHOD_ATTRIBUTE_VIRTUAL);
4231 if (method->string_ctor) {
4232 mono_mb_emit_ptr (mb, string_dummy);
4234 mono_mb_emit_ldarg (mb, 0);
4238 tmp_nullable_locals = g_new0 (int, sig->param_count);
4240 for (i = 0; i < sig->param_count; i++) {
4241 MonoType *t = sig->params [i];
4244 mono_mb_emit_ldarg (mb, 1);
4246 mono_mb_emit_icon (mb, sizeof (gpointer) * i);
4247 mono_mb_emit_byte (mb, CEE_ADD);
4251 mono_mb_emit_byte (mb, CEE_LDIND_I);
4252 /* A Nullable<T> type don't have a boxed form, it's either null or a boxed T.
4253 * So to make this work we unbox it to a local variablee and push a reference to that.
4255 if (t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t))) {
4256 tmp_nullable_locals [i] = mono_mb_add_local (mb, &mono_class_from_mono_type (t)->byval_arg);
4258 mono_mb_emit_op (mb, CEE_UNBOX_ANY, mono_class_from_mono_type (t));
4259 mono_mb_emit_stloc (mb, tmp_nullable_locals [i]);
4260 mono_mb_emit_ldloc_addr (mb, tmp_nullable_locals [i]);
4265 /*FIXME 'this doesn't handle generic enums. Shouldn't we?*/
4266 type = sig->params [i]->type;
4270 case MONO_TYPE_BOOLEAN:
4274 case MONO_TYPE_CHAR:
4283 mono_mb_emit_byte (mb, CEE_LDIND_I);
4284 mono_mb_emit_byte (mb, mono_type_to_ldind (sig->params [i]));
4286 case MONO_TYPE_STRING:
4287 case MONO_TYPE_CLASS:
4288 case MONO_TYPE_ARRAY:
4290 case MONO_TYPE_SZARRAY:
4291 case MONO_TYPE_OBJECT:
4292 mono_mb_emit_byte (mb, mono_type_to_ldind (sig->params [i]));
4294 case MONO_TYPE_GENERICINST:
4295 if (!mono_type_generic_inst_is_valuetype (sig->params [i])) {
4296 mono_mb_emit_byte (mb, mono_type_to_ldind (sig->params [i]));
4301 case MONO_TYPE_VALUETYPE:
4302 if (type == MONO_TYPE_VALUETYPE && t->data.klass->enumtype) {
4303 type = mono_class_enum_basetype (t->data.klass)->type;
4306 mono_mb_emit_byte (mb, CEE_LDIND_I);
4307 if (mono_class_is_nullable (mono_class_from_mono_type (sig->params [i]))) {
4308 /* Need to convert a boxed vtype to an mp to a Nullable struct */
4309 mono_mb_emit_op (mb, CEE_UNBOX, mono_class_from_mono_type (sig->params [i]));
4310 mono_mb_emit_op (mb, CEE_LDOBJ, mono_class_from_mono_type (sig->params [i]));
4312 mono_mb_emit_op (mb, CEE_LDOBJ, mono_class_from_mono_type (sig->params [i]));
4316 g_assert_not_reached ();
4321 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
4322 } else if (need_direct_wrapper) {
4323 mono_mb_emit_op (mb, CEE_CALL, method);
4325 mono_mb_emit_ldarg (mb, 3);
4326 mono_mb_emit_calli (mb, callsig);
4329 if (sig->ret->byref) {
4331 g_assert_not_reached ();
4334 switch (sig->ret->type) {
4335 case MONO_TYPE_VOID:
4336 if (!method->string_ctor)
4339 case MONO_TYPE_BOOLEAN:
4340 case MONO_TYPE_CHAR:
4353 case MONO_TYPE_VALUETYPE:
4354 case MONO_TYPE_TYPEDBYREF:
4355 case MONO_TYPE_GENERICINST:
4356 /* box value types */
4357 mono_mb_emit_op (mb, CEE_BOX, mono_class_from_mono_type (sig->ret));
4359 case MONO_TYPE_STRING:
4360 case MONO_TYPE_CLASS:
4361 case MONO_TYPE_ARRAY:
4362 case MONO_TYPE_SZARRAY:
4363 case MONO_TYPE_OBJECT:
4367 /* The result is an IntPtr */
4368 mono_mb_emit_op (mb, CEE_BOX, mono_defaults.int_class);
4371 g_assert_not_reached ();
4375 mono_mb_emit_stloc (mb, loc_res);
4377 /* Convert back nullable-byref arguments */
4378 for (i = 0; i < sig->param_count; i++) {
4379 MonoType *t = sig->params [i];
4382 * Box the result and put it back into the array, the caller will have
4383 * to obtain it from there.
4385 if (t->byref && t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t))) {
4386 mono_mb_emit_ldarg (mb, 1);
4387 mono_mb_emit_icon (mb, sizeof (gpointer) * i);
4388 mono_mb_emit_byte (mb, CEE_ADD);
4390 mono_mb_emit_ldloc (mb, tmp_nullable_locals [i]);
4391 mono_mb_emit_op (mb, CEE_BOX, mono_class_from_mono_type (t));
4393 mono_mb_emit_byte (mb, CEE_STIND_REF);
4397 g_free (tmp_nullable_locals);
4401 emit_runtime_invoke_body (MonoMethodBuilder *mb, MonoClass *target_klass, MonoMethod *method,
4402 MonoMethodSignature *sig, MonoMethodSignature *callsig,
4403 gboolean virtual, gboolean need_direct_wrapper)
4406 MonoExceptionClause *clause;
4407 int loc_res, loc_exc;
4409 /* The wrapper looks like this:
4415 * } catch (Exception e) {
4423 /* allocate local 0 (object) tmp */
4424 loc_res = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4425 /* allocate local 1 (object) exc */
4426 loc_exc = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4428 /* *exc is assumed to be initialized to NULL by the caller */
4430 mono_mb_emit_byte (mb, CEE_LDARG_2);
4431 labels [0] = mono_mb_emit_branch (mb, CEE_BRFALSE);
4436 labels [1] = mono_mb_get_label (mb);
4437 emit_thread_force_interrupt_checkpoint (mb);
4438 emit_invoke_call (mb, method, sig, callsig, loc_res, virtual, need_direct_wrapper);
4440 labels [2] = mono_mb_emit_branch (mb, CEE_LEAVE);
4442 /* Add a try clause around the call */
4443 clause = mono_image_alloc0 (target_klass->image, sizeof (MonoExceptionClause));
4444 clause->flags = MONO_EXCEPTION_CLAUSE_NONE;
4445 clause->data.catch_class = mono_defaults.exception_class;
4446 clause->try_offset = labels [1];
4447 clause->try_len = mono_mb_get_label (mb) - labels [1];
4449 clause->handler_offset = mono_mb_get_label (mb);
4452 mono_mb_emit_stloc (mb, loc_exc);
4453 mono_mb_emit_byte (mb, CEE_LDARG_2);
4454 mono_mb_emit_ldloc (mb, loc_exc);
4455 mono_mb_emit_byte (mb, CEE_STIND_REF);
4457 mono_mb_emit_branch (mb, CEE_LEAVE);
4459 clause->handler_len = mono_mb_get_pos (mb) - clause->handler_offset;
4461 mono_mb_set_clauses (mb, 1, clause);
4463 mono_mb_patch_branch (mb, labels [2]);
4464 mono_mb_emit_ldloc (mb, loc_res);
4465 mono_mb_emit_byte (mb, CEE_RET);
4470 mono_mb_patch_branch (mb, labels [0]);
4471 emit_thread_force_interrupt_checkpoint (mb);
4472 emit_invoke_call (mb, method, sig, callsig, loc_res, virtual, need_direct_wrapper);
4474 mono_mb_emit_ldloc (mb, 0);
4475 mono_mb_emit_byte (mb, CEE_RET);
4479 * generates IL code for the runtime invoke function
4480 * MonoObject *runtime_invoke (MonoObject *this, void **params, MonoObject **exc, void* method)
4482 * we also catch exceptions if exc != null
4483 * If VIRTUAL is TRUE, then METHOD is invoked virtually on THIS. This is useful since
4484 * it means that the compiled code for METHOD does not have to be looked up
4485 * before calling the runtime invoke wrapper. In this case, the wrapper ignores
4486 * its METHOD argument.
4489 mono_marshal_get_runtime_invoke (MonoMethod *method, gboolean virtual)
4491 MonoMethodSignature *sig, *csig, *callsig;
4492 MonoMethodBuilder *mb;
4493 GHashTable *cache = NULL;
4494 MonoClass *target_klass;
4495 MonoMethod *res = NULL;
4496 static MonoMethodSignature *cctor_signature = NULL;
4497 static MonoMethodSignature *finalize_signature = NULL;
4499 gboolean need_direct_wrapper = FALSE;
4503 if (!cctor_signature) {
4504 cctor_signature = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
4505 cctor_signature->ret = &mono_defaults.void_class->byval_arg;
4507 if (!finalize_signature) {
4508 finalize_signature = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
4509 finalize_signature->ret = &mono_defaults.void_class->byval_arg;
4510 finalize_signature->hasthis = 1;
4514 need_direct_wrapper = TRUE;
4517 * Use a separate cache indexed by methods to speed things up and to avoid the
4518 * boundless mempool growth caused by the signature_dup stuff below.
4521 cache = get_cache (&method->klass->image->runtime_invoke_vcall_cache, mono_aligned_addr_hash, NULL);
4523 cache = get_cache (&method->klass->image->runtime_invoke_direct_cache, mono_aligned_addr_hash, NULL);
4524 res = mono_marshal_find_in_cache (cache, method);
4528 if (method->klass->rank && (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
4529 (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)) {
4531 * Array Get/Set/Address methods. The JIT implements them using inline code
4532 * so we need to create an invoke wrapper which calls the method directly.
4534 need_direct_wrapper = TRUE;
4537 if (method->string_ctor) {
4538 callsig = lookup_string_ctor_signature (mono_method_signature (method));
4540 callsig = add_string_ctor_signature (method);
4541 /* Can't share this as we push a string as this */
4542 need_direct_wrapper = TRUE;
4544 if (method->klass->valuetype && mono_method_signature (method)->hasthis) {
4546 * Valuetype methods receive a managed pointer as the this argument.
4547 * Create a new signature to reflect this.
4549 callsig = signature_dup_add_this (mono_method_signature (method), method->klass);
4550 /* Can't share this as it would be shared with static methods taking an IntPtr argument */
4551 need_direct_wrapper = TRUE;
4553 if (method->dynamic)
4554 callsig = signature_dup (method->klass->image, mono_method_signature (method));
4556 callsig = mono_method_signature (method);
4560 target_klass = get_wrapper_target_class (method->klass->image);
4562 /* Try to share wrappers for non-corlib methods with simple signatures */
4563 if (mono_metadata_signature_equal (callsig, cctor_signature)) {
4564 callsig = cctor_signature;
4565 target_klass = mono_defaults.object_class;
4566 } else if (mono_metadata_signature_equal (callsig, finalize_signature)) {
4567 callsig = finalize_signature;
4568 target_klass = mono_defaults.object_class;
4571 if (need_direct_wrapper) {
4572 /* Already searched at the start */
4574 MonoMethodSignature *tmp_sig;
4576 callsig = mono_marshal_get_runtime_invoke_sig (callsig);
4578 cache = get_cache (&target_klass->image->runtime_invoke_cache,
4579 (GHashFunc)mono_signature_hash,
4580 (GCompareFunc)runtime_invoke_signature_equal);
4582 /* from mono_marshal_find_in_cache */
4583 mono_marshal_lock ();
4584 res = g_hash_table_lookup (cache, callsig);
4585 mono_marshal_unlock ();
4592 /* Make a copy of the signature from the image mempool */
4594 callsig = mono_metadata_signature_dup_full (target_klass->image, callsig);
4598 sig = mono_method_signature (method);
4600 csig = mono_metadata_signature_alloc (target_klass->image, 4);
4602 csig->ret = &mono_defaults.object_class->byval_arg;
4603 if (method->klass->valuetype && mono_method_signature (method)->hasthis)
4604 csig->params [0] = callsig->params [0];
4606 csig->params [0] = &mono_defaults.object_class->byval_arg;
4607 csig->params [1] = &mono_defaults.int_class->byval_arg;
4608 csig->params [2] = &mono_defaults.int_class->byval_arg;
4609 csig->params [3] = &mono_defaults.int_class->byval_arg;
4612 /* This is called from runtime code so it has to be cdecl */
4613 csig->call_convention = MONO_CALL_C;
4616 name = mono_signature_to_name (callsig, virtual ? "runtime_invoke_virtual" : "runtime_invoke");
4617 mb = mono_mb_new (target_klass, name, MONO_WRAPPER_RUNTIME_INVOKE);
4620 emit_runtime_invoke_body (mb, target_klass, method, sig, callsig, virtual, need_direct_wrapper);
4622 if (need_direct_wrapper) {
4623 mb->skip_visibility = 1;
4624 res = mono_mb_create_and_cache (cache, method, mb, csig, sig->param_count + 16);
4626 /* taken from mono_mb_create_and_cache */
4627 mono_marshal_lock ();
4628 res = g_hash_table_lookup (cache, callsig);
4629 mono_marshal_unlock ();
4631 /* Somebody may have created it before us */
4634 newm = mono_mb_create_method (mb, csig, sig->param_count + 16);
4636 mono_marshal_lock ();
4637 res = g_hash_table_lookup (cache, callsig);
4640 g_hash_table_insert (cache, callsig, res);
4641 /* Can't insert it into wrapper_hash since the key is a signature */
4642 g_hash_table_insert (method->klass->image->runtime_invoke_direct_cache, method, res);
4644 mono_free_method (newm);
4646 mono_marshal_unlock ();
4649 /* end mono_mb_create_and_cache */
4658 * mono_marshal_get_runtime_invoke_dynamic:
4660 * Return a method which can be used to invoke managed methods from native code
4662 * The signature of the returned method is given by RuntimeInvokeDynamicFunction:
4663 * void runtime_invoke (void *args, MonoObject **exc, void *compiled_method)
4664 * ARGS should point to an architecture specific structure containing
4665 * the arguments and space for the return value.
4666 * The other arguments are the same as for runtime_invoke (), except that
4667 * ARGS should contain the this argument too.
4668 * This wrapper serves the same purpose as the runtime-invoke wrappers, but there
4669 * is only one copy of it, which is useful in full-aot.
4672 mono_marshal_get_runtime_invoke_dynamic (void)
4674 static MonoMethod *method;
4675 MonoMethodSignature *csig;
4676 MonoExceptionClause *clause;
4677 MonoMethodBuilder *mb;
4684 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
4686 csig->ret = &mono_defaults.void_class->byval_arg;
4687 csig->params [0] = &mono_defaults.int_class->byval_arg;
4688 csig->params [1] = &mono_defaults.int_class->byval_arg;
4689 csig->params [2] = &mono_defaults.int_class->byval_arg;
4690 csig->params [3] = &mono_defaults.int_class->byval_arg;
4692 name = g_strdup ("runtime_invoke_dynamic");
4693 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_RUNTIME_INVOKE);
4696 /* allocate local 0 (object) tmp */
4697 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4698 /* allocate local 1 (object) exc */
4699 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4701 /* cond set *exc to null */
4702 mono_mb_emit_byte (mb, CEE_LDARG_1);
4703 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
4704 mono_mb_emit_byte (mb, 3);
4705 mono_mb_emit_byte (mb, CEE_LDARG_1);
4706 mono_mb_emit_byte (mb, CEE_LDNULL);
4707 mono_mb_emit_byte (mb, CEE_STIND_REF);
4709 emit_thread_force_interrupt_checkpoint (mb);
4711 mono_mb_emit_byte (mb, CEE_LDARG_0);
4712 mono_mb_emit_byte (mb, CEE_LDARG_2);
4713 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4714 mono_mb_emit_byte (mb, CEE_MONO_DYN_CALL);
4716 pos = mono_mb_emit_branch (mb, CEE_LEAVE);
4718 clause = mono_image_alloc0 (mono_defaults.corlib, sizeof (MonoExceptionClause));
4719 clause->flags = MONO_EXCEPTION_CLAUSE_FILTER;
4720 clause->try_len = mono_mb_get_label (mb);
4723 clause->data.filter_offset = mono_mb_get_label (mb);
4725 mono_mb_emit_byte (mb, CEE_POP);
4726 mono_mb_emit_byte (mb, CEE_LDARG_1);
4727 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
4728 mono_mb_emit_byte (mb, CEE_PREFIX1);
4729 mono_mb_emit_byte (mb, CEE_CGT_UN);
4730 mono_mb_emit_byte (mb, CEE_PREFIX1);
4731 mono_mb_emit_byte (mb, CEE_ENDFILTER);
4733 clause->handler_offset = mono_mb_get_label (mb);
4736 /* store exception */
4737 mono_mb_emit_stloc (mb, 1);
4739 mono_mb_emit_byte (mb, CEE_LDARG_1);
4740 mono_mb_emit_ldloc (mb, 1);
4741 mono_mb_emit_byte (mb, CEE_STIND_REF);
4743 mono_mb_emit_byte (mb, CEE_LDNULL);
4744 mono_mb_emit_stloc (mb, 0);
4746 /* Check for the abort exception */
4747 mono_mb_emit_ldloc (mb, 1);
4748 mono_mb_emit_op (mb, CEE_ISINST, mono_defaults.threadabortexception_class);
4749 posna = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
4751 /* Delay the abort exception */
4752 mono_mb_emit_icall (mb, ves_icall_System_Threading_Thread_ResetAbort);
4754 mono_mb_patch_short_branch (mb, posna);
4755 mono_mb_emit_branch (mb, CEE_LEAVE);
4757 clause->handler_len = mono_mb_get_pos (mb) - clause->handler_offset;
4759 mono_mb_set_clauses (mb, 1, clause);
4762 mono_mb_patch_branch (mb, pos);
4763 //mono_mb_emit_ldloc (mb, 0);
4764 mono_mb_emit_byte (mb, CEE_RET);
4766 mono_loader_lock ();
4767 /* double-checked locking */
4769 method = mono_mb_create_method (mb, csig, 16);
4771 mono_loader_unlock ();
4779 mono_mb_emit_auto_layout_exception (MonoMethodBuilder *mb, MonoClass *klass)
4781 char *msg = g_strdup_printf ("The type `%s.%s' layout needs to be Sequential or Explicit",
4782 klass->name_space, klass->name);
4784 mono_mb_emit_exception_marshal_directive (mb, msg);
4788 * mono_marshal_get_ldfld_remote_wrapper:
4789 * @klass: The return type
4791 * This method generates a wrapper for calling mono_load_remote_field_new.
4792 * The return type is ignored for now, as mono_load_remote_field_new () always
4793 * returns an object. In the future, to optimize some codepaths, we might
4794 * call a different function that takes a pointer to a valuetype, instead.
4797 mono_marshal_get_ldfld_remote_wrapper (MonoClass *klass)
4799 MonoMethodSignature *sig, *csig;
4800 MonoMethodBuilder *mb;
4802 static MonoMethod* cached = NULL;
4804 mono_marshal_lock ();
4806 mono_marshal_unlock ();
4809 mono_marshal_unlock ();
4811 mb = mono_mb_new_no_dup_name (mono_defaults.object_class, "__mono_load_remote_field_new_wrapper", MONO_WRAPPER_LDFLD_REMOTE);
4813 mb->method->save_lmf = 1;
4815 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
4816 sig->params [0] = &mono_defaults.object_class->byval_arg;
4817 sig->params [1] = &mono_defaults.int_class->byval_arg;
4818 sig->params [2] = &mono_defaults.int_class->byval_arg;
4819 sig->ret = &mono_defaults.object_class->byval_arg;
4821 mono_mb_emit_ldarg (mb, 0);
4822 mono_mb_emit_ldarg (mb, 1);
4823 mono_mb_emit_ldarg (mb, 2);
4825 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
4826 csig->params [0] = &mono_defaults.object_class->byval_arg;
4827 csig->params [1] = &mono_defaults.int_class->byval_arg;
4828 csig->params [2] = &mono_defaults.int_class->byval_arg;
4829 csig->ret = &mono_defaults.object_class->byval_arg;
4832 mono_mb_emit_native_call (mb, csig, mono_load_remote_field_new);
4833 emit_thread_interrupt_checkpoint (mb);
4835 mono_mb_emit_byte (mb, CEE_RET);
4837 mono_marshal_lock ();
4839 mono_marshal_unlock ();
4842 newm = mono_mb_create_method (mb, sig, 4);
4843 mono_marshal_lock ();
4848 mono_marshal_unlock ();
4850 mono_marshal_unlock ();
4851 mono_free_method (newm);
4860 * mono_marshal_get_ldfld_wrapper:
4861 * @type: the type of the field
4863 * This method generates a function which can be use to load a field with type
4864 * @type from an object. The generated function has the following signature:
4865 * <@type> ldfld_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset)
4868 mono_marshal_get_ldfld_wrapper (MonoType *type)
4870 MonoMethodSignature *sig;
4871 MonoMethodBuilder *mb;
4876 int t, pos0, pos1 = 0;
4878 type = mono_type_get_underlying_type (type);
4883 if (type->type == MONO_TYPE_SZARRAY) {
4884 klass = mono_defaults.array_class;
4885 } else if (type->type == MONO_TYPE_VALUETYPE) {
4886 klass = type->data.klass;
4887 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING) {
4888 klass = mono_defaults.object_class;
4889 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
4890 klass = mono_defaults.int_class;
4891 } else if (t == MONO_TYPE_GENERICINST) {
4892 if (mono_type_generic_inst_is_valuetype (type))
4893 klass = mono_class_from_mono_type (type);
4895 klass = mono_defaults.object_class;
4897 klass = mono_class_from_mono_type (type);
4900 klass = mono_defaults.int_class;
4903 cache = get_cache (&klass->image->ldfld_wrapper_cache, mono_aligned_addr_hash, NULL);
4904 if ((res = mono_marshal_find_in_cache (cache, klass)))
4907 /* we add the %p pointer value of klass because class names are not unique */
4908 name = g_strdup_printf ("__ldfld_wrapper_%p_%s.%s", klass, klass->name_space, klass->name);
4909 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_LDFLD);
4912 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
4913 sig->params [0] = &mono_defaults.object_class->byval_arg;
4914 sig->params [1] = &mono_defaults.int_class->byval_arg;
4915 sig->params [2] = &mono_defaults.int_class->byval_arg;
4916 sig->params [3] = &mono_defaults.int_class->byval_arg;
4917 sig->ret = &klass->byval_arg;
4919 mono_mb_emit_ldarg (mb, 0);
4920 pos0 = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
4922 mono_mb_emit_ldarg (mb, 0);
4923 mono_mb_emit_ldarg (mb, 1);
4924 mono_mb_emit_ldarg (mb, 2);
4926 mono_mb_emit_managed_call (mb, mono_marshal_get_ldfld_remote_wrapper (klass), NULL);
4929 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
4930 csig->params [0] = &mono_defaults.object_class->byval_arg;
4931 csig->params [1] = &mono_defaults.int_class->byval_arg;
4932 csig->params [2] = &mono_defaults.int_class->byval_arg;
4933 csig->ret = &klass->this_arg;
4936 mono_mb_emit_native_call (mb, csig, mono_load_remote_field_new);
4937 emit_thread_interrupt_checkpoint (mb);
4940 if (klass->valuetype) {
4941 mono_mb_emit_op (mb, CEE_UNBOX, klass);
4942 pos1 = mono_mb_emit_branch (mb, CEE_BR);
4944 mono_mb_emit_byte (mb, CEE_RET);
4948 mono_mb_patch_branch (mb, pos0);
4950 mono_mb_emit_ldarg (mb, 0);
4951 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4952 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
4953 mono_mb_emit_ldarg (mb, 3);
4954 mono_mb_emit_byte (mb, CEE_ADD);
4956 if (klass->valuetype)
4957 mono_mb_patch_branch (mb, pos1);
4962 case MONO_TYPE_BOOLEAN:
4963 case MONO_TYPE_CHAR:
4972 case MONO_TYPE_ARRAY:
4973 case MONO_TYPE_SZARRAY:
4974 case MONO_TYPE_OBJECT:
4975 case MONO_TYPE_CLASS:
4976 case MONO_TYPE_STRING:
4980 case MONO_TYPE_FNPTR:
4981 mono_mb_emit_byte (mb, mono_type_to_ldind (type));
4983 case MONO_TYPE_VALUETYPE:
4984 g_assert (!klass->enumtype);
4985 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
4987 case MONO_TYPE_GENERICINST:
4988 if (mono_type_generic_inst_is_valuetype (type)) {
4989 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
4991 mono_mb_emit_byte (mb, CEE_LDIND_REF);
4995 g_warning ("type %x not implemented", type->type);
4996 g_assert_not_reached ();
4999 mono_mb_emit_byte (mb, CEE_RET);
5001 res = mono_mb_create_and_cache (cache, klass,
5002 mb, sig, sig->param_count + 16);
5009 * mono_marshal_get_ldflda_wrapper:
5010 * @type: the type of the field
5012 * This method generates a function which can be used to load a field address
5013 * from an object. The generated function has the following signature:
5014 * gpointer ldflda_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset);
5017 mono_marshal_get_ldflda_wrapper (MonoType *type)
5019 MonoMethodSignature *sig;
5020 MonoMethodBuilder *mb;
5025 int t, pos0, pos1, pos2, pos3;
5027 type = mono_type_get_underlying_type (type);
5031 if (type->type == MONO_TYPE_SZARRAY) {
5032 klass = mono_defaults.array_class;
5033 } else if (type->type == MONO_TYPE_VALUETYPE) {
5034 klass = type->data.klass;
5035 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING ||
5036 t == MONO_TYPE_CLASS) {
5037 klass = mono_defaults.object_class;
5038 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
5039 klass = mono_defaults.int_class;
5040 } else if (t == MONO_TYPE_GENERICINST) {
5041 if (mono_type_generic_inst_is_valuetype (type))
5042 klass = mono_class_from_mono_type (type);
5044 klass = mono_defaults.object_class;
5046 klass = mono_class_from_mono_type (type);
5049 klass = mono_defaults.int_class;
5052 cache = get_cache (&klass->image->ldflda_wrapper_cache, mono_aligned_addr_hash, NULL);
5053 if ((res = mono_marshal_find_in_cache (cache, klass)))
5056 /* we add the %p pointer value of klass because class names are not unique */
5057 name = g_strdup_printf ("__ldflda_wrapper_%p_%s.%s", klass, klass->name_space, klass->name);
5058 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_LDFLDA);
5061 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
5062 sig->params [0] = &mono_defaults.object_class->byval_arg;
5063 sig->params [1] = &mono_defaults.int_class->byval_arg;
5064 sig->params [2] = &mono_defaults.int_class->byval_arg;
5065 sig->params [3] = &mono_defaults.int_class->byval_arg;
5066 sig->ret = &mono_defaults.int_class->byval_arg;
5068 /* if typeof (this) != transparent_proxy goto pos0 */
5069 mono_mb_emit_ldarg (mb, 0);
5070 pos0 = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
5072 /* if same_appdomain goto pos1 */
5073 mono_mb_emit_ldarg (mb, 0);
5074 pos1 = mono_mb_emit_xdomain_check (mb, CEE_BEQ);
5076 mono_mb_emit_exception_full (mb, "System", "InvalidOperationException", "Attempt to load field address from object in another appdomain.");
5078 /* same app domain */
5079 mono_mb_patch_branch (mb, pos1);
5081 /* if typeof (this) != contextbound goto pos2 */
5082 mono_mb_emit_ldarg (mb, 0);
5083 pos2 = mono_mb_emit_contextbound_check (mb, CEE_BEQ);
5085 /* if this->rp->context == mono_context_get goto pos3 */
5086 mono_mb_emit_ldarg (mb, 0);
5087 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
5088 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5089 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoRealProxy, context));
5090 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5091 mono_mb_emit_icall (mb, mono_context_get);
5092 pos3 = mono_mb_emit_branch (mb, CEE_BEQ);
5094 mono_mb_emit_exception_full (mb, "System", "InvalidOperationException", "Attempt to load field address from object in another context.");
5096 mono_mb_patch_branch (mb, pos2);
5097 mono_mb_patch_branch (mb, pos3);
5099 /* return the address of the field from this->rp->unwrapped_server */
5100 mono_mb_emit_ldarg (mb, 0);
5101 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
5102 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5103 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoRealProxy, unwrapped_server));
5104 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5105 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5106 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
5107 mono_mb_emit_ldarg (mb, 3);
5108 mono_mb_emit_byte (mb, CEE_ADD);
5109 mono_mb_emit_byte (mb, CEE_RET);
5111 /* not a proxy: return the address of the field directly */
5112 mono_mb_patch_branch (mb, pos0);
5114 mono_mb_emit_ldarg (mb, 0);
5115 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5116 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
5117 mono_mb_emit_ldarg (mb, 3);
5118 mono_mb_emit_byte (mb, CEE_ADD);
5120 mono_mb_emit_byte (mb, CEE_RET);
5122 res = mono_mb_create_and_cache (cache, klass,
5123 mb, sig, sig->param_count + 16);
5130 * mono_marshal_get_stfld_remote_wrapper:
5131 * klass: The type of the field
5133 * This function generates a wrapper for calling mono_store_remote_field_new
5134 * with the appropriate signature.
5135 * Similarly to mono_marshal_get_ldfld_remote_wrapper () this doesn't depend on the
5136 * klass argument anymore.
5139 mono_marshal_get_stfld_remote_wrapper (MonoClass *klass)
5141 MonoMethodSignature *sig, *csig;
5142 MonoMethodBuilder *mb;
5144 static MonoMethod *cached = NULL;
5146 mono_marshal_lock ();
5148 mono_marshal_unlock ();
5151 mono_marshal_unlock ();
5153 mb = mono_mb_new_no_dup_name (mono_defaults.object_class, "__mono_store_remote_field_new_wrapper", MONO_WRAPPER_STFLD_REMOTE);
5155 mb->method->save_lmf = 1;
5157 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
5158 sig->params [0] = &mono_defaults.object_class->byval_arg;
5159 sig->params [1] = &mono_defaults.int_class->byval_arg;
5160 sig->params [2] = &mono_defaults.int_class->byval_arg;
5161 sig->params [3] = &mono_defaults.object_class->byval_arg;
5162 sig->ret = &mono_defaults.void_class->byval_arg;
5164 mono_mb_emit_ldarg (mb, 0);
5165 mono_mb_emit_ldarg (mb, 1);
5166 mono_mb_emit_ldarg (mb, 2);
5167 mono_mb_emit_ldarg (mb, 3);
5169 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
5170 csig->params [0] = &mono_defaults.object_class->byval_arg;
5171 csig->params [1] = &mono_defaults.int_class->byval_arg;
5172 csig->params [2] = &mono_defaults.int_class->byval_arg;
5173 csig->params [3] = &mono_defaults.object_class->byval_arg;
5174 csig->ret = &mono_defaults.void_class->byval_arg;
5177 mono_mb_emit_native_call (mb, csig, mono_store_remote_field_new);
5178 emit_thread_interrupt_checkpoint (mb);
5180 mono_mb_emit_byte (mb, CEE_RET);
5182 mono_marshal_lock ();
5184 mono_marshal_unlock ();
5187 newm = mono_mb_create_method (mb, sig, 6);
5188 mono_marshal_lock ();
5193 mono_marshal_unlock ();
5195 mono_marshal_unlock ();
5196 mono_free_method (newm);
5205 * mono_marshal_get_stfld_wrapper:
5206 * @type: the type of the field
5208 * This method generates a function which can be use to store a field with type
5209 * @type. The generated function has the following signature:
5210 * void stfld_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset, <@type> val)
5213 mono_marshal_get_stfld_wrapper (MonoType *type)
5215 MonoMethodSignature *sig;
5216 MonoMethodBuilder *mb;
5223 type = mono_type_get_underlying_type (type);
5227 if (type->type == MONO_TYPE_SZARRAY) {
5228 klass = mono_defaults.array_class;
5229 } else if (type->type == MONO_TYPE_VALUETYPE) {
5230 klass = type->data.klass;
5231 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING) {
5232 klass = mono_defaults.object_class;
5233 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
5234 klass = mono_defaults.int_class;
5235 } else if (t == MONO_TYPE_GENERICINST) {
5236 if (mono_type_generic_inst_is_valuetype (type))
5237 klass = mono_class_from_mono_type (type);
5239 klass = mono_defaults.object_class;
5241 klass = mono_class_from_mono_type (type);
5244 klass = mono_defaults.int_class;
5247 cache = get_cache (&klass->image->stfld_wrapper_cache, mono_aligned_addr_hash, NULL);
5248 if ((res = mono_marshal_find_in_cache (cache, klass)))
5251 /* we add the %p pointer value of klass because class names are not unique */
5252 name = g_strdup_printf ("__stfld_wrapper_%p_%s.%s", klass, klass->name_space, klass->name);
5253 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_STFLD);
5256 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 5);
5257 sig->params [0] = &mono_defaults.object_class->byval_arg;
5258 sig->params [1] = &mono_defaults.int_class->byval_arg;
5259 sig->params [2] = &mono_defaults.int_class->byval_arg;
5260 sig->params [3] = &mono_defaults.int_class->byval_arg;
5261 sig->params [4] = &klass->byval_arg;
5262 sig->ret = &mono_defaults.void_class->byval_arg;
5264 mono_mb_emit_ldarg (mb, 0);
5265 pos = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
5267 mono_mb_emit_ldarg (mb, 0);
5268 mono_mb_emit_ldarg (mb, 1);
5269 mono_mb_emit_ldarg (mb, 2);
5270 mono_mb_emit_ldarg (mb, 4);
5271 if (klass->valuetype)
5272 mono_mb_emit_op (mb, CEE_BOX, klass);
5274 mono_mb_emit_managed_call (mb, mono_marshal_get_stfld_remote_wrapper (klass), NULL);
5276 mono_mb_emit_byte (mb, CEE_RET);
5278 mono_mb_patch_branch (mb, pos);
5280 mono_mb_emit_ldarg (mb, 0);
5281 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5282 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
5283 mono_mb_emit_ldarg (mb, 3);
5284 mono_mb_emit_byte (mb, CEE_ADD);
5285 mono_mb_emit_ldarg (mb, 4);
5290 case MONO_TYPE_BOOLEAN:
5291 case MONO_TYPE_CHAR:
5300 case MONO_TYPE_ARRAY:
5301 case MONO_TYPE_SZARRAY:
5302 case MONO_TYPE_OBJECT:
5303 case MONO_TYPE_CLASS:
5304 case MONO_TYPE_STRING:
5308 case MONO_TYPE_FNPTR:
5309 mono_mb_emit_byte (mb, mono_type_to_stind (type));
5311 case MONO_TYPE_VALUETYPE:
5312 g_assert (!klass->enumtype);
5313 mono_mb_emit_op (mb, CEE_STOBJ, klass);
5315 case MONO_TYPE_GENERICINST:
5316 mono_mb_emit_op (mb, CEE_STOBJ, klass);
5319 g_warning ("type %x not implemented", type->type);
5320 g_assert_not_reached ();
5323 mono_mb_emit_byte (mb, CEE_RET);
5325 res = mono_mb_create_and_cache (cache, klass,
5326 mb, sig, sig->param_count + 16);
5333 * generates IL code for the icall wrapper (the generated method
5334 * calls the unmanaged code in func)
5337 mono_marshal_get_icall_wrapper (MonoMethodSignature *sig, const char *name, gconstpointer func, gboolean check_exceptions)
5339 MonoMethodSignature *csig, *csig2;
5340 MonoMethodBuilder *mb;
5344 g_assert (sig->pinvoke);
5346 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_MANAGED_TO_NATIVE);
5348 mb->method->save_lmf = 1;
5350 /* Add an explicit this argument */
5352 csig2 = signature_dup_add_this (sig, mono_defaults.object_class);
5354 csig2 = signature_dup (mono_defaults.corlib, sig);
5357 mono_mb_emit_byte (mb, CEE_LDARG_0);
5359 for (i = 0; i < sig->param_count; i++)
5360 mono_mb_emit_ldarg (mb, i + sig->hasthis);
5362 mono_mb_emit_native_call (mb, csig2, (gpointer) func);
5363 if (check_exceptions)
5364 emit_thread_interrupt_checkpoint (mb);
5365 mono_mb_emit_byte (mb, CEE_RET);
5367 csig = signature_dup (mono_defaults.corlib, sig);
5369 if (csig->call_convention == MONO_CALL_VARARG)
5370 csig->call_convention = 0;
5372 res = mono_mb_create_method (mb, csig, csig->param_count + 16);
5379 emit_marshal_custom (EmitMarshalContext *m, int argnum, MonoType *t,
5380 MonoMarshalSpec *spec,
5381 int conv_arg, MonoType **conv_arg_type,
5382 MarshalAction action)
5386 static MonoClass *ICustomMarshaler = NULL;
5387 static MonoMethod *cleanup_native, *cleanup_managed;
5388 static MonoMethod *marshal_managed_to_native, *marshal_native_to_managed;
5389 MonoMethod *get_instance = NULL;
5390 MonoMethodBuilder *mb = m->mb;
5391 char *exception_msg = NULL;
5395 if (!ICustomMarshaler) {
5396 ICustomMarshaler = mono_class_from_name (mono_defaults.corlib, "System.Runtime.InteropServices", "ICustomMarshaler");
5397 if (!ICustomMarshaler) {
5398 exception_msg = g_strdup ("Current profile doesn't support ICustomMarshaler");
5399 goto handle_exception;
5402 cleanup_native = mono_class_get_method_from_name (ICustomMarshaler, "CleanUpNativeData", 1);
5403 g_assert (cleanup_native);
5404 cleanup_managed = mono_class_get_method_from_name (ICustomMarshaler, "CleanUpManagedData", 1);
5405 g_assert (cleanup_managed);
5406 marshal_managed_to_native = mono_class_get_method_from_name (ICustomMarshaler, "MarshalManagedToNative", 1);
5407 g_assert (marshal_managed_to_native);
5408 marshal_native_to_managed = mono_class_get_method_from_name (ICustomMarshaler, "MarshalNativeToManaged", 1);
5409 g_assert (marshal_native_to_managed);
5412 mtype = mono_reflection_type_from_name (spec->data.custom_data.custom_name, m->image);
5413 g_assert (mtype != NULL);
5414 mklass = mono_class_from_mono_type (mtype);
5415 g_assert (mklass != NULL);
5417 if (!mono_class_is_assignable_from (ICustomMarshaler, mklass))
5418 exception_msg = g_strdup_printf ("Custom marshaler '%s' does not implement the ICustomMarshaler interface.", mklass->name);
5420 get_instance = mono_class_get_method_from_name_flags (mklass, "GetInstance", 1, METHOD_ATTRIBUTE_STATIC);
5422 MonoMethodSignature *get_sig = mono_method_signature (get_instance);
5423 if ((get_sig->ret->type != MONO_TYPE_CLASS) ||
5424 (mono_class_from_mono_type (get_sig->ret) != ICustomMarshaler) ||
5425 (get_sig->params [0]->type != MONO_TYPE_STRING))
5426 get_instance = NULL;
5430 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);
5433 /* Throw exception and emit compensation code if neccesary */
5434 if (exception_msg) {
5436 case MARSHAL_ACTION_CONV_IN:
5437 case MARSHAL_ACTION_CONV_RESULT:
5438 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
5439 if ((action == MARSHAL_ACTION_CONV_RESULT) || (action == MARSHAL_ACTION_MANAGED_CONV_RESULT))
5440 mono_mb_emit_byte (mb, CEE_POP);
5442 mono_mb_emit_exception_full (mb, "System", "ApplicationException", exception_msg);
5443 g_free (exception_msg);
5446 case MARSHAL_ACTION_PUSH:
5447 mono_mb_emit_byte (mb, CEE_LDNULL);
5455 /* FIXME: MS.NET seems to create one instance for each klass + cookie pair */
5456 /* FIXME: MS.NET throws an exception if GetInstance returns null */
5459 case MARSHAL_ACTION_CONV_IN:
5461 case MONO_TYPE_CLASS:
5462 case MONO_TYPE_OBJECT:
5463 case MONO_TYPE_STRING:
5464 case MONO_TYPE_ARRAY:
5465 case MONO_TYPE_SZARRAY:
5466 case MONO_TYPE_VALUETYPE:
5470 g_warning ("custom marshalling of type %x is currently not supported", t->type);
5471 g_assert_not_reached ();
5475 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5477 mono_mb_emit_byte (mb, CEE_LDNULL);
5478 mono_mb_emit_stloc (mb, conv_arg);
5480 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT))
5483 /* Minic MS.NET behavior */
5484 if (!t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT) && !(t->attrs & PARAM_ATTRIBUTE_IN))
5487 /* Check for null */
5488 mono_mb_emit_ldarg (mb, argnum);
5490 mono_mb_emit_byte (mb, CEE_LDIND_I);
5491 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5493 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5495 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5497 mono_mb_emit_ldarg (mb, argnum);
5499 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5501 if (t->type == MONO_TYPE_VALUETYPE) {
5503 * Since we can't determine the type of the argument, we
5504 * will assume the unmanaged function takes a pointer.
5506 *conv_arg_type = &mono_defaults.int_class->byval_arg;
5508 mono_mb_emit_op (mb, CEE_BOX, mono_class_from_mono_type (t));
5511 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_managed_to_native);
5512 mono_mb_emit_stloc (mb, conv_arg);
5514 mono_mb_patch_branch (mb, pos2);
5517 case MARSHAL_ACTION_CONV_OUT:
5518 /* Check for null */
5519 mono_mb_emit_ldloc (mb, conv_arg);
5520 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5523 mono_mb_emit_ldarg (mb, argnum);
5525 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5527 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5529 mono_mb_emit_ldloc (mb, conv_arg);
5530 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
5531 mono_mb_emit_byte (mb, CEE_STIND_REF);
5532 } else if (t->attrs & PARAM_ATTRIBUTE_OUT) {
5533 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5535 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5537 mono_mb_emit_ldloc (mb, conv_arg);
5538 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
5540 /* We have nowhere to store the result */
5541 mono_mb_emit_byte (mb, CEE_POP);
5544 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5546 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5548 mono_mb_emit_ldloc (mb, conv_arg);
5550 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_native);
5552 mono_mb_patch_branch (mb, pos2);
5555 case MARSHAL_ACTION_PUSH:
5557 mono_mb_emit_ldloc_addr (mb, conv_arg);
5559 mono_mb_emit_ldloc (mb, conv_arg);
5562 case MARSHAL_ACTION_CONV_RESULT:
5563 loc1 = mono_mb_add_local (mb, &mono_defaults.int_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));
5576 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5577 mono_mb_emit_byte (mb, CEE_DUP);
5579 mono_mb_emit_ldloc (mb, 3);
5580 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
5581 mono_mb_emit_stloc (mb, 3);
5583 mono_mb_emit_ldloc (mb, loc1);
5584 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_native);
5586 mono_mb_patch_branch (mb, pos2);
5589 case MARSHAL_ACTION_MANAGED_CONV_IN:
5590 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
5592 mono_mb_emit_byte (mb, CEE_LDNULL);
5593 mono_mb_emit_stloc (mb, conv_arg);
5595 if (t->byref && t->attrs & PARAM_ATTRIBUTE_OUT)
5598 /* Check for null */
5599 mono_mb_emit_ldarg (mb, argnum);
5601 mono_mb_emit_byte (mb, CEE_LDIND_I);
5602 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5604 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5605 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5607 mono_mb_emit_ldarg (mb, argnum);
5609 mono_mb_emit_byte (mb, CEE_LDIND_I);
5611 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
5612 mono_mb_emit_stloc (mb, conv_arg);
5614 mono_mb_patch_branch (mb, pos2);
5617 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
5618 g_assert (!t->byref);
5620 loc1 = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
5622 mono_mb_emit_stloc (mb, 3);
5624 mono_mb_emit_ldloc (mb, 3);
5625 mono_mb_emit_stloc (mb, loc1);
5627 /* Check for null */
5628 mono_mb_emit_ldloc (mb, 3);
5629 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5631 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5632 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5633 mono_mb_emit_byte (mb, CEE_DUP);
5635 mono_mb_emit_ldloc (mb, 3);
5636 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_managed_to_native);
5637 mono_mb_emit_stloc (mb, 3);
5639 mono_mb_emit_ldloc (mb, loc1);
5640 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_managed);
5642 mono_mb_patch_branch (mb, pos2);
5645 case MARSHAL_ACTION_MANAGED_CONV_OUT:
5647 /* Check for null */
5648 mono_mb_emit_ldloc (mb, conv_arg);
5649 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5652 mono_mb_emit_ldarg (mb, argnum);
5654 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5656 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5658 mono_mb_emit_ldloc (mb, conv_arg);
5659 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_managed_to_native);
5660 mono_mb_emit_byte (mb, CEE_STIND_I);
5663 /* Call CleanUpManagedData */
5664 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5666 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5668 mono_mb_emit_ldloc (mb, conv_arg);
5669 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_managed);
5671 mono_mb_patch_branch (mb, pos2);
5675 g_assert_not_reached ();
5682 emit_marshal_asany (EmitMarshalContext *m, int argnum, MonoType *t,
5683 MonoMarshalSpec *spec,
5684 int conv_arg, MonoType **conv_arg_type,
5685 MarshalAction action)
5687 MonoMethodBuilder *mb = m->mb;
5690 case MARSHAL_ACTION_CONV_IN: {
5691 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, NULL);
5693 g_assert (t->type == MONO_TYPE_OBJECT);
5694 g_assert (!t->byref);
5696 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5697 mono_mb_emit_ldarg (mb, argnum);
5698 mono_mb_emit_icon (mb, encoding);
5699 mono_mb_emit_icon (mb, t->attrs);
5700 mono_mb_emit_icall (mb, mono_marshal_asany);
5701 mono_mb_emit_stloc (mb, conv_arg);
5705 case MARSHAL_ACTION_PUSH:
5706 mono_mb_emit_ldloc (mb, conv_arg);
5709 case MARSHAL_ACTION_CONV_OUT: {
5710 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, NULL);
5712 mono_mb_emit_ldarg (mb, argnum);
5713 mono_mb_emit_ldloc (mb, conv_arg);
5714 mono_mb_emit_icon (mb, encoding);
5715 mono_mb_emit_icon (mb, t->attrs);
5716 mono_mb_emit_icall (mb, mono_marshal_free_asany);
5721 g_assert_not_reached ();
5728 emit_marshal_vtype (EmitMarshalContext *m, int argnum, MonoType *t,
5729 MonoMarshalSpec *spec,
5730 int conv_arg, MonoType **conv_arg_type,
5731 MarshalAction action)
5733 MonoMethodBuilder *mb = m->mb;
5734 MonoClass *klass, *date_time_class;
5737 klass = mono_class_from_mono_type (t);
5739 date_time_class = mono_class_from_name_cached (mono_defaults.corlib, "System", "DateTime");
5742 case MARSHAL_ACTION_CONV_IN:
5743 if (klass == date_time_class) {
5744 /* Convert it to an OLE DATE type */
5745 static MonoMethod *to_oadate;
5748 to_oadate = mono_class_get_method_from_name (date_time_class, "ToOADate", 0);
5749 g_assert (to_oadate);
5751 conv_arg = mono_mb_add_local (mb, &mono_defaults.double_class->byval_arg);
5754 mono_mb_emit_ldarg (mb, argnum);
5755 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
5758 if (!(t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && (t->attrs & PARAM_ATTRIBUTE_OUT))) {
5760 m->csig->params [argnum - m->csig->hasthis] = &mono_defaults.double_class->byval_arg;
5762 mono_mb_emit_ldarg_addr (mb, argnum);
5763 mono_mb_emit_managed_call (mb, to_oadate, NULL);
5764 mono_mb_emit_stloc (mb, conv_arg);
5768 mono_mb_patch_branch (mb, pos);
5772 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
5773 klass->blittable || klass->enumtype)
5776 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5778 /* store the address of the source into local variable 0 */
5780 mono_mb_emit_ldarg (mb, argnum);
5782 mono_mb_emit_ldarg_addr (mb, argnum);
5784 mono_mb_emit_stloc (mb, 0);
5786 /* allocate space for the native struct and
5787 * store the address into local variable 1 (dest) */
5788 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
5789 mono_mb_emit_byte (mb, CEE_PREFIX1);
5790 mono_mb_emit_byte (mb, CEE_LOCALLOC);
5791 mono_mb_emit_stloc (mb, conv_arg);
5794 mono_mb_emit_ldloc (mb, 0);
5795 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
5798 if (!(t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && (t->attrs & PARAM_ATTRIBUTE_OUT))) {
5800 mono_mb_emit_ldloc (mb, conv_arg);
5801 mono_mb_emit_stloc (mb, 1);
5803 /* emit valuetype conversion code */
5804 emit_struct_conv (mb, klass, FALSE);
5808 mono_mb_patch_branch (mb, pos);
5811 case MARSHAL_ACTION_PUSH:
5812 if (spec && spec->native == MONO_NATIVE_LPSTRUCT) {
5814 g_assert (!t->byref);
5816 /* Have to change the signature since the vtype is passed byref */
5817 m->csig->params [argnum - m->csig->hasthis] = &mono_defaults.int_class->byval_arg;
5819 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
5820 klass->blittable || klass->enumtype)
5821 mono_mb_emit_ldarg_addr (mb, argnum);
5823 mono_mb_emit_ldloc (mb, conv_arg);
5827 if (klass == date_time_class) {
5829 mono_mb_emit_ldloc_addr (mb, conv_arg);
5831 mono_mb_emit_ldloc (mb, conv_arg);
5835 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
5836 klass->blittable || klass->enumtype) {
5837 mono_mb_emit_ldarg (mb, argnum);
5840 mono_mb_emit_ldloc (mb, conv_arg);
5842 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5843 mono_mb_emit_op (mb, CEE_MONO_LDNATIVEOBJ, klass);
5847 case MARSHAL_ACTION_CONV_OUT:
5848 if (klass == date_time_class) {
5849 /* Convert from an OLE DATE type */
5850 static MonoMethod *from_oadate;
5855 if (!((t->attrs & PARAM_ATTRIBUTE_IN) && !(t->attrs & PARAM_ATTRIBUTE_OUT))) {
5857 from_oadate = mono_class_get_method_from_name (date_time_class, "FromOADate", 1);
5858 g_assert (from_oadate);
5860 mono_mb_emit_ldarg (mb, argnum);
5861 mono_mb_emit_ldloc (mb, conv_arg);
5862 mono_mb_emit_managed_call (mb, from_oadate, NULL);
5863 mono_mb_emit_op (mb, CEE_STOBJ, date_time_class);
5868 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
5869 klass->blittable || klass->enumtype)
5873 /* dst = argument */
5874 mono_mb_emit_ldarg (mb, argnum);
5875 mono_mb_emit_stloc (mb, 1);
5877 mono_mb_emit_ldloc (mb, 1);
5878 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
5880 if (!((t->attrs & PARAM_ATTRIBUTE_IN) && !(t->attrs & PARAM_ATTRIBUTE_OUT))) {
5881 /* src = tmp_locals [i] */
5882 mono_mb_emit_ldloc (mb, conv_arg);
5883 mono_mb_emit_stloc (mb, 0);
5885 /* emit valuetype conversion code */
5886 emit_struct_conv (mb, klass, TRUE);
5890 emit_struct_free (mb, klass, conv_arg);
5893 mono_mb_patch_branch (mb, pos);
5896 case MARSHAL_ACTION_CONV_RESULT:
5897 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
5899 mono_mb_emit_stloc (mb, 3);
5903 /* load pointer to returned value type */
5904 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5905 mono_mb_emit_byte (mb, CEE_MONO_VTADDR);
5906 /* store the address of the source into local variable 0 */
5907 mono_mb_emit_stloc (mb, 0);
5909 mono_mb_emit_ldloc_addr (mb, 3);
5910 mono_mb_emit_stloc (mb, 1);
5912 /* emit valuetype conversion code */
5913 emit_struct_conv (mb, klass, TRUE);
5916 case MARSHAL_ACTION_MANAGED_CONV_IN:
5917 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
5918 klass->blittable || klass->enumtype) {
5923 conv_arg = mono_mb_add_local (mb, &klass->byval_arg);
5925 if (t->attrs & PARAM_ATTRIBUTE_OUT)
5929 mono_mb_emit_ldarg (mb, argnum);
5931 mono_mb_emit_ldarg_addr (mb, argnum);
5932 mono_mb_emit_stloc (mb, 0);
5935 mono_mb_emit_ldloc (mb, 0);
5936 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
5939 mono_mb_emit_ldloc_addr (mb, conv_arg);
5940 mono_mb_emit_stloc (mb, 1);
5942 /* emit valuetype conversion code */
5943 emit_struct_conv (mb, klass, TRUE);
5946 mono_mb_patch_branch (mb, pos);
5949 case MARSHAL_ACTION_MANAGED_CONV_OUT:
5950 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
5951 klass->blittable || klass->enumtype) {
5955 /* Check for null */
5956 mono_mb_emit_ldarg (mb, argnum);
5957 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5960 mono_mb_emit_ldloc_addr (mb, conv_arg);
5961 mono_mb_emit_stloc (mb, 0);
5964 mono_mb_emit_ldarg (mb, argnum);
5965 mono_mb_emit_stloc (mb, 1);
5967 /* emit valuetype conversion code */
5968 emit_struct_conv (mb, klass, FALSE);
5970 mono_mb_patch_branch (mb, pos2);
5973 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
5974 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
5975 klass->blittable || klass->enumtype) {
5976 mono_mb_emit_stloc (mb, 3);
5981 /* load pointer to returned value type */
5982 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5983 mono_mb_emit_byte (mb, CEE_MONO_VTADDR);
5985 /* store the address of the source into local variable 0 */
5986 mono_mb_emit_stloc (mb, 0);
5987 /* allocate space for the native struct and
5988 * store the address into dst_ptr */
5989 m->retobj_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5990 m->retobj_class = klass;
5991 g_assert (m->retobj_var);
5992 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
5993 mono_mb_emit_byte (mb, CEE_CONV_I);
5994 mono_mb_emit_icall (mb, mono_marshal_alloc);
5995 mono_mb_emit_stloc (mb, 1);
5996 mono_mb_emit_ldloc (mb, 1);
5997 mono_mb_emit_stloc (mb, m->retobj_var);
5999 /* emit valuetype conversion code */
6000 emit_struct_conv (mb, klass, FALSE);
6004 g_assert_not_reached ();
6011 emit_marshal_string (EmitMarshalContext *m, int argnum, MonoType *t,
6012 MonoMarshalSpec *spec,
6013 int conv_arg, MonoType **conv_arg_type,
6014 MarshalAction action)
6016 MonoMethodBuilder *mb = m->mb;
6017 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
6018 MonoMarshalConv conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
6022 case MARSHAL_ACTION_CONV_IN:
6023 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6024 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6027 if (t->attrs & PARAM_ATTRIBUTE_OUT)
6030 mono_mb_emit_ldarg (mb, argnum);
6031 mono_mb_emit_byte (mb, CEE_LDIND_I);
6033 mono_mb_emit_ldarg (mb, argnum);
6037 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
6038 MonoException *exc = mono_get_exception_not_implemented (msg);
6039 g_warning ("%s", msg);
6041 mono_raise_exception (exc);
6044 mono_mb_emit_icall (mb, conv_to_icall (conv));
6046 mono_mb_emit_stloc (mb, conv_arg);
6049 case MARSHAL_ACTION_CONV_OUT:
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 if (encoding == MONO_NATIVE_VBBYREFSTR) {
6058 static MonoMethod *m;
6061 m = mono_class_get_method_from_name_flags (mono_defaults.string_class, "get_Length", -1, 0);
6066 * Have to allocate a new string with the same length as the original, and
6067 * copy the contents of the buffer pointed to by CONV_ARG into it.
6069 g_assert (t->byref);
6070 mono_mb_emit_ldarg (mb, argnum);
6071 mono_mb_emit_ldloc (mb, conv_arg);
6072 mono_mb_emit_ldarg (mb, argnum);
6073 mono_mb_emit_byte (mb, CEE_LDIND_I);
6074 mono_mb_emit_managed_call (mb, m, NULL);
6075 mono_mb_emit_icall (mb, mono_string_new_len_wrapper);
6076 mono_mb_emit_byte (mb, CEE_STIND_REF);
6077 } else if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT)) {
6078 mono_mb_emit_ldarg (mb, argnum);
6079 mono_mb_emit_ldloc (mb, conv_arg);
6080 mono_mb_emit_icall (mb, conv_to_icall (conv));
6081 mono_mb_emit_byte (mb, CEE_STIND_REF);
6084 if (need_free || (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT))) {
6085 mono_mb_emit_ldloc (mb, conv_arg);
6086 if (conv == MONO_MARSHAL_CONV_BSTR_STR)
6087 mono_mb_emit_icall (mb, mono_free_bstr);
6089 mono_mb_emit_icall (mb, mono_marshal_free);
6093 case MARSHAL_ACTION_PUSH:
6094 if (t->byref && encoding != MONO_NATIVE_VBBYREFSTR)
6095 mono_mb_emit_ldloc_addr (mb, conv_arg);
6097 mono_mb_emit_ldloc (mb, conv_arg);
6100 case MARSHAL_ACTION_CONV_RESULT:
6101 mono_mb_emit_stloc (mb, 0);
6103 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
6105 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
6106 mono_mb_emit_exception_marshal_directive (mb, msg);
6110 mono_mb_emit_ldloc (mb, 0);
6111 mono_mb_emit_icall (mb, conv_to_icall (conv));
6112 mono_mb_emit_stloc (mb, 3);
6114 /* free the string */
6115 mono_mb_emit_ldloc (mb, 0);
6116 if (conv == MONO_MARSHAL_CONV_BSTR_STR)
6117 mono_mb_emit_icall (mb, mono_free_bstr);
6119 mono_mb_emit_icall (mb, mono_marshal_free);
6122 case MARSHAL_ACTION_MANAGED_CONV_IN:
6123 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
6125 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6127 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
6129 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
6130 mono_mb_emit_exception_marshal_directive (mb, msg);
6134 mono_mb_emit_ldarg (mb, argnum);
6136 mono_mb_emit_byte (mb, CEE_LDIND_I);
6137 mono_mb_emit_icall (mb, conv_to_icall (conv));
6138 mono_mb_emit_stloc (mb, conv_arg);
6141 case MARSHAL_ACTION_MANAGED_CONV_OUT:
6144 mono_mb_emit_ldarg (mb, argnum);
6145 mono_mb_emit_ldloc (mb, conv_arg);
6146 mono_mb_emit_icall (mb, conv_to_icall (conv));
6147 mono_mb_emit_byte (mb, CEE_STIND_I);
6152 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
6153 if (conv_to_icall (conv) == mono_marshal_string_to_utf16)
6154 /* We need to make a copy so the caller is able to free it */
6155 mono_mb_emit_icall (mb, mono_marshal_string_to_utf16_copy);
6157 mono_mb_emit_icall (mb, conv_to_icall (conv));
6158 mono_mb_emit_stloc (mb, 3);
6162 g_assert_not_reached ();
6169 emit_marshal_safehandle (EmitMarshalContext *m, int argnum, MonoType *t,
6170 MonoMarshalSpec *spec, int conv_arg,
6171 MonoType **conv_arg_type, MarshalAction action)
6173 MonoMethodBuilder *mb = m->mb;
6176 case MARSHAL_ACTION_CONV_IN: {
6177 MonoType *intptr_type;
6178 int dar_release_slot, pos;
6180 intptr_type = &mono_defaults.int_class->byval_arg;
6181 conv_arg = mono_mb_add_local (mb, intptr_type);
6182 *conv_arg_type = intptr_type;
6184 if (!sh_dangerous_add_ref)
6185 init_safe_handle ();
6187 mono_mb_emit_ldarg (mb, argnum);
6188 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
6189 mono_mb_emit_exception (mb, "ArgumentNullException", NULL);
6191 mono_mb_patch_branch (mb, pos);
6194 * My tests in show that ref SafeHandles are not really
6195 * passed as ref objects. Instead a NULL is passed as the
6198 mono_mb_emit_icon (mb, 0);
6199 mono_mb_emit_stloc (mb, conv_arg);
6203 /* Create local to hold the ref parameter to DangerousAddRef */
6204 dar_release_slot = mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
6206 /* set release = false; */
6207 mono_mb_emit_icon (mb, 0);
6208 mono_mb_emit_stloc (mb, dar_release_slot);
6210 /* safehandle.DangerousAddRef (ref release) */
6211 mono_mb_emit_ldarg (mb, argnum);
6212 mono_mb_emit_ldloc_addr (mb, dar_release_slot);
6213 mono_mb_emit_managed_call (mb, sh_dangerous_add_ref, NULL);
6215 /* Pull the handle field from SafeHandle */
6216 mono_mb_emit_ldarg (mb, argnum);
6217 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoSafeHandle, handle));
6218 mono_mb_emit_byte (mb, CEE_LDIND_I);
6219 mono_mb_emit_stloc (mb, conv_arg);
6224 case MARSHAL_ACTION_PUSH:
6226 mono_mb_emit_ldloc_addr (mb, conv_arg);
6228 mono_mb_emit_ldloc (mb, conv_arg);
6231 case MARSHAL_ACTION_CONV_OUT: {
6232 /* The slot for the boolean is the next temporary created after conv_arg, see the CONV_IN code */
6233 int dar_release_slot = conv_arg + 1;
6236 if (!sh_dangerous_release)
6237 init_safe_handle ();
6243 * My tests indicate that ref SafeHandles parameters are not actually
6244 * passed by ref, but instead a new Handle is created regardless of
6245 * whether a change happens in the unmanaged side.
6247 * Also, the Handle is created before calling into unmanaged code,
6248 * but we do not support that mechanism (getting to the original
6249 * handle) and it makes no difference where we create this
6251 ctor = mono_class_get_method_from_name (t->data.klass, ".ctor", 0);
6253 mono_mb_emit_exception (mb, "MissingMethodException", "paramterless constructor required");
6256 /* refval = new SafeHandleDerived ()*/
6257 mono_mb_emit_ldarg (mb, argnum);
6258 mono_mb_emit_op (mb, CEE_NEWOBJ, ctor);
6259 mono_mb_emit_byte (mb, CEE_STIND_REF);
6261 /* refval.handle = returned_handle */
6262 mono_mb_emit_ldarg (mb, argnum);
6263 mono_mb_emit_byte (mb, CEE_LDIND_REF);
6264 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoSafeHandle, handle));
6265 mono_mb_emit_ldloc (mb, conv_arg);
6266 mono_mb_emit_byte (mb, CEE_STIND_I);
6268 mono_mb_emit_ldloc (mb, dar_release_slot);
6269 label_next = mono_mb_emit_branch (mb, CEE_BRFALSE);
6270 mono_mb_emit_ldarg (mb, argnum);
6271 mono_mb_emit_managed_call (mb, sh_dangerous_release, NULL);
6272 mono_mb_patch_branch (mb, label_next);
6277 case MARSHAL_ACTION_CONV_RESULT: {
6278 MonoMethod *ctor = NULL;
6279 int intptr_handle_slot;
6281 if (t->data.klass->flags & TYPE_ATTRIBUTE_ABSTRACT){
6282 mono_mb_emit_byte (mb, CEE_POP);
6283 mono_mb_emit_exception_marshal_directive (mb, g_strdup ("Returned SafeHandles should not be abstract"));
6287 ctor = mono_class_get_method_from_name (t->data.klass, ".ctor", 0);
6289 mono_mb_emit_byte (mb, CEE_POP);
6290 mono_mb_emit_exception (mb, "MissingMethodException", "paramterless constructor required");
6293 /* Store the IntPtr results into a local */
6294 intptr_handle_slot = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6295 mono_mb_emit_stloc (mb, intptr_handle_slot);
6297 /* Create return value */
6298 mono_mb_emit_op (mb, CEE_NEWOBJ, ctor);
6299 mono_mb_emit_stloc (mb, 3);
6301 /* Set the return.handle to the value, am using ldflda, not sure if thats a good idea */
6302 mono_mb_emit_ldloc (mb, 3);
6303 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoSafeHandle, handle));
6304 mono_mb_emit_ldloc (mb, intptr_handle_slot);
6305 mono_mb_emit_byte (mb, CEE_STIND_I);
6309 case MARSHAL_ACTION_MANAGED_CONV_IN:
6310 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_IN\n");
6313 case MARSHAL_ACTION_MANAGED_CONV_OUT:
6314 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_OUT\n");
6317 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
6318 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_RESULT\n");
6321 printf ("Unhandled case for MarshalAction: %d\n", action);
6328 emit_marshal_handleref (EmitMarshalContext *m, int argnum, MonoType *t,
6329 MonoMarshalSpec *spec, int conv_arg,
6330 MonoType **conv_arg_type, MarshalAction action)
6332 MonoMethodBuilder *mb = m->mb;
6335 case MARSHAL_ACTION_CONV_IN: {
6336 MonoType *intptr_type;
6338 intptr_type = &mono_defaults.int_class->byval_arg;
6339 conv_arg = mono_mb_add_local (mb, intptr_type);
6340 *conv_arg_type = intptr_type;
6343 char *msg = g_strdup ("HandleRefs can not be returned from unmanaged code (or passed by ref)");
6344 mono_mb_emit_exception_marshal_directive (mb, msg);
6347 mono_mb_emit_ldarg_addr (mb, argnum);
6348 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoHandleRef, handle));
6349 mono_mb_emit_byte (mb, CEE_ADD);
6350 mono_mb_emit_byte (mb, CEE_LDIND_I);
6351 mono_mb_emit_stloc (mb, conv_arg);
6355 case MARSHAL_ACTION_PUSH:
6356 mono_mb_emit_ldloc (mb, conv_arg);
6359 case MARSHAL_ACTION_CONV_OUT: {
6360 /* no resource release required */
6364 case MARSHAL_ACTION_CONV_RESULT: {
6365 char *msg = g_strdup ("HandleRefs can not be returned from unmanaged code (or passed by ref)");
6366 mono_mb_emit_exception_marshal_directive (mb, msg);
6370 case MARSHAL_ACTION_MANAGED_CONV_IN:
6371 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_IN\n");
6374 case MARSHAL_ACTION_MANAGED_CONV_OUT:
6375 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_OUT\n");
6378 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
6379 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_RESULT\n");
6382 fprintf (stderr, "Unhandled case for MarshalAction: %d\n", action);
6389 emit_marshal_object (EmitMarshalContext *m, int argnum, MonoType *t,
6390 MonoMarshalSpec *spec,
6391 int conv_arg, MonoType **conv_arg_type,
6392 MarshalAction action)
6394 MonoMethodBuilder *mb = m->mb;
6395 MonoClass *klass = mono_class_from_mono_type (t);
6399 case MARSHAL_ACTION_CONV_IN:
6400 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6401 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6403 m->orig_conv_args [argnum] = 0;
6405 if (mono_class_from_mono_type (t) == mono_defaults.object_class) {
6406 char *msg = g_strdup_printf ("Marshalling of type object is not implemented");
6407 mono_mb_emit_exception_marshal_directive (mb, msg);
6411 if (klass->delegate) {
6413 if (!(t->attrs & PARAM_ATTRIBUTE_OUT)) {
6414 char *msg = g_strdup_printf ("Byref marshalling of delegates is not implemented.");
6415 mono_mb_emit_exception_marshal_directive (mb, msg);
6417 mono_mb_emit_byte (mb, CEE_LDNULL);
6418 mono_mb_emit_stloc (mb, conv_arg);
6420 mono_mb_emit_ldarg (mb, argnum);
6421 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_DEL_FTN));
6422 mono_mb_emit_stloc (mb, conv_arg);
6424 } else if (klass == mono_defaults.stringbuilder_class) {
6425 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
6426 MonoMarshalConv conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
6429 if (!(t->attrs & PARAM_ATTRIBUTE_OUT)) {
6430 char *msg = g_strdup_printf ("Byref marshalling of stringbuilders is not implemented.");
6431 mono_mb_emit_exception_marshal_directive (mb, msg);
6436 mono_mb_emit_ldarg (mb, argnum);
6439 mono_mb_emit_icall (mb, conv_to_icall (conv));
6441 char *msg = g_strdup_printf ("stringbuilder marshalling conversion %d not implemented", encoding);
6442 MonoException *exc = mono_get_exception_not_implemented (msg);
6443 g_warning ("%s", msg);
6445 mono_raise_exception (exc);
6448 mono_mb_emit_stloc (mb, conv_arg);
6449 } else if (klass->blittable) {
6450 mono_mb_emit_byte (mb, CEE_LDNULL);
6451 mono_mb_emit_stloc (mb, conv_arg);
6453 mono_mb_emit_ldarg (mb, argnum);
6454 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6456 mono_mb_emit_ldarg (mb, argnum);
6457 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6458 mono_mb_emit_stloc (mb, conv_arg);
6460 mono_mb_patch_branch (mb, pos);
6463 mono_mb_emit_byte (mb, CEE_LDNULL);
6464 mono_mb_emit_stloc (mb, conv_arg);
6467 /* we dont need any conversions for out parameters */
6468 if (t->attrs & PARAM_ATTRIBUTE_OUT)
6471 mono_mb_emit_ldarg (mb, argnum);
6472 mono_mb_emit_byte (mb, CEE_LDIND_I);
6475 mono_mb_emit_ldarg (mb, argnum);
6476 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6477 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
6480 /* store the address of the source into local variable 0 */
6481 mono_mb_emit_stloc (mb, 0);
6482 mono_mb_emit_ldloc (mb, 0);
6483 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6485 /* allocate space for the native struct and store the address */
6486 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
6487 mono_mb_emit_byte (mb, CEE_PREFIX1);
6488 mono_mb_emit_byte (mb, CEE_LOCALLOC);
6489 mono_mb_emit_stloc (mb, conv_arg);
6492 /* Need to store the original buffer so we can free it later */
6493 m->orig_conv_args [argnum] = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6494 mono_mb_emit_ldloc (mb, conv_arg);
6495 mono_mb_emit_stloc (mb, m->orig_conv_args [argnum]);
6498 /* set the src_ptr */
6499 mono_mb_emit_ldloc (mb, 0);
6500 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6501 mono_mb_emit_stloc (mb, 0);
6504 mono_mb_emit_ldloc (mb, conv_arg);
6505 mono_mb_emit_stloc (mb, 1);
6507 /* emit valuetype conversion code */
6508 emit_struct_conv (mb, klass, FALSE);
6510 mono_mb_patch_branch (mb, pos);
6514 case MARSHAL_ACTION_CONV_OUT:
6515 if (klass == mono_defaults.stringbuilder_class) {
6517 MonoMarshalNative encoding;
6518 MonoMarshalConv conv;
6520 encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
6521 conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free);
6523 g_assert (encoding != -1);
6526 g_assert ((t->attrs & PARAM_ATTRIBUTE_OUT));
6530 mono_mb_emit_ldarg (mb, argnum);
6531 mono_mb_emit_ldloc (mb, conv_arg);
6534 case MONO_NATIVE_LPWSTR:
6535 mono_mb_emit_icall (mb, mono_string_utf16_to_builder2);
6537 case MONO_NATIVE_LPSTR:
6538 mono_mb_emit_icall (mb, mono_string_utf8_to_builder2);
6541 g_assert_not_reached ();
6544 mono_mb_emit_byte (mb, CEE_STIND_REF);
6546 mono_mb_emit_ldarg (mb, argnum);
6547 mono_mb_emit_ldloc (mb, conv_arg);
6549 mono_mb_emit_icall (mb, conv_to_icall (conv));
6553 mono_mb_emit_ldloc (mb, conv_arg);
6554 mono_mb_emit_icall (mb, mono_marshal_free);
6559 if (klass->delegate) {
6561 mono_mb_emit_ldarg (mb, argnum);
6562 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6563 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
6564 mono_mb_emit_ldloc (mb, conv_arg);
6565 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_FTN_DEL));
6566 mono_mb_emit_byte (mb, CEE_STIND_REF);
6571 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT)) {
6572 /* allocate a new object */
6573 mono_mb_emit_ldarg (mb, argnum);
6574 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6575 mono_mb_emit_op (mb, CEE_MONO_NEWOBJ, klass);
6576 mono_mb_emit_byte (mb, CEE_STIND_REF);
6579 /* dst = *argument */
6580 mono_mb_emit_ldarg (mb, argnum);
6583 mono_mb_emit_byte (mb, CEE_LDIND_I);
6585 mono_mb_emit_stloc (mb, 1);
6587 mono_mb_emit_ldloc (mb, 1);
6588 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6590 if (t->byref || (t->attrs & PARAM_ATTRIBUTE_OUT)) {
6591 mono_mb_emit_ldloc (mb, 1);
6592 mono_mb_emit_icon (mb, sizeof (MonoObject));
6593 mono_mb_emit_byte (mb, CEE_ADD);
6594 mono_mb_emit_stloc (mb, 1);
6596 /* src = tmp_locals [i] */
6597 mono_mb_emit_ldloc (mb, conv_arg);
6598 mono_mb_emit_stloc (mb, 0);
6600 /* emit valuetype conversion code */
6601 emit_struct_conv (mb, klass, TRUE);
6603 /* Free the structure returned by the native code */
6604 emit_struct_free (mb, klass, conv_arg);
6606 if (m->orig_conv_args [argnum]) {
6608 * If the native function changed the pointer, then free
6609 * the original structure plus the new pointer.
6611 mono_mb_emit_ldloc (mb, m->orig_conv_args [argnum]);
6612 mono_mb_emit_ldloc (mb, conv_arg);
6613 pos2 = mono_mb_emit_branch (mb, CEE_BEQ);
6615 if (!(t->attrs & PARAM_ATTRIBUTE_OUT)) {
6616 g_assert (m->orig_conv_args [argnum]);
6618 emit_struct_free (mb, klass, m->orig_conv_args [argnum]);
6621 mono_mb_emit_ldloc (mb, conv_arg);
6622 mono_mb_emit_icall (mb, mono_marshal_free);
6624 mono_mb_patch_branch (mb, pos2);
6628 /* Free the original structure passed to native code */
6629 emit_struct_free (mb, klass, conv_arg);
6631 mono_mb_patch_branch (mb, pos);
6634 case MARSHAL_ACTION_PUSH:
6636 mono_mb_emit_ldloc_addr (mb, conv_arg);
6638 mono_mb_emit_ldloc (mb, conv_arg);
6641 case MARSHAL_ACTION_CONV_RESULT:
6642 if (klass->delegate) {
6643 g_assert (!t->byref);
6644 mono_mb_emit_stloc (mb, 0);
6645 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6646 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
6647 mono_mb_emit_ldloc (mb, 0);
6648 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_FTN_DEL));
6649 mono_mb_emit_stloc (mb, 3);
6652 mono_mb_emit_stloc (mb, 0);
6654 /* Make a copy since emit_conv modifies local 0 */
6655 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6656 mono_mb_emit_ldloc (mb, 0);
6657 mono_mb_emit_stloc (mb, loc);
6659 mono_mb_emit_byte (mb, CEE_LDNULL);
6660 mono_mb_emit_stloc (mb, 3);
6662 mono_mb_emit_ldloc (mb, 0);
6663 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6665 /* allocate result object */
6667 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6668 mono_mb_emit_op (mb, CEE_MONO_NEWOBJ, klass);
6669 mono_mb_emit_stloc (mb, 3);
6673 mono_mb_emit_ldloc (mb, 3);
6674 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6675 mono_mb_emit_stloc (mb, 1);
6677 /* emit conversion code */
6678 emit_struct_conv (mb, klass, TRUE);
6680 emit_struct_free (mb, klass, loc);
6682 /* Free the pointer allocated by unmanaged code */
6683 mono_mb_emit_ldloc (mb, loc);
6684 mono_mb_emit_icall (mb, mono_marshal_free);
6685 mono_mb_patch_branch (mb, pos);
6689 case MARSHAL_ACTION_MANAGED_CONV_IN:
6690 conv_arg = mono_mb_add_local (mb, &klass->byval_arg);
6692 if (klass->delegate) {
6693 g_assert (!t->byref);
6694 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6695 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
6696 mono_mb_emit_ldarg (mb, argnum);
6697 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_FTN_DEL));
6698 mono_mb_emit_stloc (mb, conv_arg);
6702 if (klass == mono_defaults.stringbuilder_class) {
6703 MonoMarshalNative encoding;
6705 encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
6708 g_assert (encoding == MONO_NATIVE_LPSTR);
6710 g_assert (!t->byref);
6711 g_assert (encoding != -1);
6713 mono_mb_emit_ldarg (mb, argnum);
6714 mono_mb_emit_icall (mb, mono_string_utf8_to_builder2);
6715 mono_mb_emit_stloc (mb, conv_arg);
6719 /* The class can not have an automatic layout */
6720 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
6721 mono_mb_emit_auto_layout_exception (mb, klass);
6725 if (t->attrs & PARAM_ATTRIBUTE_OUT) {
6726 mono_mb_emit_byte (mb, CEE_LDNULL);
6727 mono_mb_emit_stloc (mb, conv_arg);
6732 mono_mb_emit_ldarg (mb, argnum);
6736 /* Check for NULL and raise an exception */
6737 pos2 = mono_mb_emit_branch (mb, CEE_BRTRUE);
6739 mono_mb_emit_exception (mb, "ArgumentNullException", NULL);
6741 mono_mb_patch_branch (mb, pos2);
6742 mono_mb_emit_ldarg (mb, argnum);
6743 mono_mb_emit_byte (mb, CEE_LDIND_I);
6746 mono_mb_emit_stloc (mb, 0);
6748 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
6749 mono_mb_emit_stloc (mb, conv_arg);
6751 mono_mb_emit_ldloc (mb, 0);
6752 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6754 /* Create and set dst */
6755 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6756 mono_mb_emit_op (mb, CEE_MONO_NEWOBJ, klass);
6757 mono_mb_emit_stloc (mb, conv_arg);
6758 mono_mb_emit_ldloc (mb, conv_arg);
6759 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6760 mono_mb_emit_stloc (mb, 1);
6762 /* emit valuetype conversion code */
6763 emit_struct_conv (mb, klass, TRUE);
6765 mono_mb_patch_branch (mb, pos);
6768 case MARSHAL_ACTION_MANAGED_CONV_OUT:
6770 /* Check for null */
6771 mono_mb_emit_ldloc (mb, conv_arg);
6772 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
6773 mono_mb_emit_ldarg (mb, argnum);
6774 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
6775 mono_mb_emit_byte (mb, CEE_STIND_REF);
6776 pos2 = mono_mb_emit_branch (mb, CEE_BR);
6778 mono_mb_patch_branch (mb, pos);
6781 mono_mb_emit_ldloc (mb, conv_arg);
6782 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6783 mono_mb_emit_stloc (mb, 0);
6785 /* Allocate and set dest */
6786 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
6787 mono_mb_emit_byte (mb, CEE_CONV_I);
6788 mono_mb_emit_icall (mb, mono_marshal_alloc);
6789 mono_mb_emit_stloc (mb, 1);
6791 /* Update argument pointer */
6792 mono_mb_emit_ldarg (mb, argnum);
6793 mono_mb_emit_ldloc (mb, 1);
6794 mono_mb_emit_byte (mb, CEE_STIND_I);
6796 /* emit valuetype conversion code */
6797 emit_struct_conv (mb, klass, FALSE);
6799 mono_mb_patch_branch (mb, pos2);
6801 /* byval [Out] marshalling */
6803 /* FIXME: Handle null */
6806 mono_mb_emit_ldloc (mb, conv_arg);
6807 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6808 mono_mb_emit_stloc (mb, 0);
6811 mono_mb_emit_ldarg (mb, argnum);
6812 mono_mb_emit_stloc (mb, 1);
6814 /* emit valuetype conversion code */
6815 emit_struct_conv (mb, klass, FALSE);
6819 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
6820 if (klass->delegate) {
6821 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_DEL_FTN));
6822 mono_mb_emit_stloc (mb, 3);
6826 /* The class can not have an automatic layout */
6827 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
6828 mono_mb_emit_auto_layout_exception (mb, klass);
6832 mono_mb_emit_stloc (mb, 0);
6833 /* Check for null */
6834 mono_mb_emit_ldloc (mb, 0);
6835 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
6836 mono_mb_emit_byte (mb, CEE_LDNULL);
6837 mono_mb_emit_stloc (mb, 3);
6838 pos2 = mono_mb_emit_branch (mb, CEE_BR);
6840 mono_mb_patch_branch (mb, pos);
6843 mono_mb_emit_ldloc (mb, 0);
6844 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6845 mono_mb_emit_stloc (mb, 0);
6847 /* Allocate and set dest */
6848 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
6849 mono_mb_emit_byte (mb, CEE_CONV_I);
6850 mono_mb_emit_icall (mb, mono_marshal_alloc);
6851 mono_mb_emit_byte (mb, CEE_DUP);
6852 mono_mb_emit_stloc (mb, 1);
6853 mono_mb_emit_stloc (mb, 3);
6855 emit_struct_conv (mb, klass, FALSE);
6857 mono_mb_patch_branch (mb, pos2);
6861 g_assert_not_reached ();
6868 emit_marshal_variant (EmitMarshalContext *m, int argnum, MonoType *t,
6869 MonoMarshalSpec *spec,
6870 int conv_arg, MonoType **conv_arg_type,
6871 MarshalAction action)
6873 MonoMethodBuilder *mb = m->mb;
6874 static MonoMethod *get_object_for_native_variant = NULL;
6875 static MonoMethod *get_native_variant_for_object = NULL;
6877 mono_init_com_types ();
6879 if (!get_object_for_native_variant)
6880 get_object_for_native_variant = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetObjectForNativeVariant", 1);
6881 g_assert (get_object_for_native_variant);
6883 if (!get_native_variant_for_object)
6884 get_native_variant_for_object = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetNativeVariantForObject", 2);
6885 g_assert (get_native_variant_for_object);
6888 case MARSHAL_ACTION_CONV_IN: {
6889 conv_arg = mono_mb_add_local (mb, &mono_defaults.variant_class->byval_arg);
6892 *conv_arg_type = &mono_defaults.variant_class->this_arg;
6894 *conv_arg_type = &mono_defaults.variant_class->byval_arg;
6896 if (t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && t->attrs & PARAM_ATTRIBUTE_OUT)
6899 mono_mb_emit_ldarg (mb, argnum);
6901 mono_mb_emit_byte(mb, CEE_LDIND_REF);
6902 mono_mb_emit_ldloc_addr (mb, conv_arg);
6903 mono_mb_emit_managed_call (mb, get_native_variant_for_object, NULL);
6907 case MARSHAL_ACTION_CONV_OUT: {
6908 static MonoMethod *variant_clear = NULL;
6911 variant_clear = mono_class_get_method_from_name (mono_defaults.variant_class, "Clear", 0);
6912 g_assert (variant_clear);
6915 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT || !(t->attrs & PARAM_ATTRIBUTE_IN))) {
6916 mono_mb_emit_ldarg (mb, argnum);
6917 mono_mb_emit_ldloc_addr (mb, conv_arg);
6918 mono_mb_emit_managed_call (mb, get_object_for_native_variant, NULL);
6919 mono_mb_emit_byte (mb, CEE_STIND_REF);
6922 mono_mb_emit_ldloc_addr (mb, conv_arg);
6923 mono_mb_emit_managed_call (mb, variant_clear, NULL);
6927 case MARSHAL_ACTION_PUSH:
6929 mono_mb_emit_ldloc_addr (mb, conv_arg);
6931 mono_mb_emit_ldloc (mb, conv_arg);
6934 case MARSHAL_ACTION_CONV_RESULT: {
6935 char *msg = g_strdup ("Marshalling of VARIANT not supported as a return type.");
6936 mono_mb_emit_exception_marshal_directive (mb, msg);
6940 case MARSHAL_ACTION_MANAGED_CONV_IN: {
6941 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
6944 *conv_arg_type = &mono_defaults.variant_class->this_arg;
6946 *conv_arg_type = &mono_defaults.variant_class->byval_arg;
6948 if (t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && t->attrs & PARAM_ATTRIBUTE_OUT)
6952 mono_mb_emit_ldarg (mb, argnum);
6954 mono_mb_emit_ldarg_addr (mb, argnum);
6955 mono_mb_emit_managed_call (mb, get_object_for_native_variant, NULL);
6956 mono_mb_emit_stloc (mb, conv_arg);
6960 case MARSHAL_ACTION_MANAGED_CONV_OUT: {
6961 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT || !(t->attrs & PARAM_ATTRIBUTE_IN))) {
6962 mono_mb_emit_ldloc (mb, conv_arg);
6963 mono_mb_emit_ldarg (mb, argnum);
6964 mono_mb_emit_managed_call (mb, get_native_variant_for_object, NULL);
6969 case MARSHAL_ACTION_MANAGED_CONV_RESULT: {
6970 char *msg = g_strdup ("Marshalling of VARIANT not supported as a return type.");
6971 mono_mb_emit_exception_marshal_directive (mb, msg);
6976 g_assert_not_reached ();
6983 mono_pinvoke_is_unicode (MonoMethodPInvoke *piinfo)
6985 switch (piinfo->piflags & PINVOKE_ATTRIBUTE_CHAR_SET_MASK) {
6986 case PINVOKE_ATTRIBUTE_CHAR_SET_ANSI:
6988 case PINVOKE_ATTRIBUTE_CHAR_SET_UNICODE:
6990 case PINVOKE_ATTRIBUTE_CHAR_SET_AUTO:
7001 emit_marshal_array (EmitMarshalContext *m, int argnum, MonoType *t,
7002 MonoMarshalSpec *spec,
7003 int conv_arg, MonoType **conv_arg_type,
7004 MarshalAction action)
7006 MonoMethodBuilder *mb = m->mb;
7007 MonoClass *klass = mono_class_from_mono_type (t);
7008 gboolean need_convert, need_free;
7009 MonoMarshalNative encoding;
7011 encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
7014 case MARSHAL_ACTION_CONV_IN:
7015 *conv_arg_type = &mono_defaults.object_class->byval_arg;
7016 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
7018 if (klass->element_class->blittable) {
7019 mono_mb_emit_ldarg (mb, argnum);
7021 mono_mb_emit_byte (mb, CEE_LDIND_I);
7022 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_ARRAY_LPARRAY));
7023 mono_mb_emit_stloc (mb, conv_arg);
7026 guint32 label1, label2, label3;
7027 int index_var, src_var, dest_ptr, esize;
7028 MonoMarshalConv conv;
7029 gboolean is_string = FALSE;
7031 dest_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7033 eklass = klass->element_class;
7035 if (eklass == mono_defaults.string_class) {
7037 conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
7039 else if (eklass == mono_defaults.stringbuilder_class) {
7041 conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
7046 src_var = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
7047 mono_mb_emit_ldarg (mb, argnum);
7049 mono_mb_emit_byte (mb, CEE_LDIND_I);
7050 mono_mb_emit_stloc (mb, src_var);
7053 mono_mb_emit_ldloc (mb, src_var);
7054 mono_mb_emit_stloc (mb, conv_arg);
7055 mono_mb_emit_ldloc (mb, src_var);
7056 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
7060 char *msg = g_strdup_printf ("string/stringbuilder marshalling conversion %d not implemented", encoding);
7061 MonoException *exc = mono_get_exception_not_implemented (msg);
7062 g_warning ("%s", msg);
7064 mono_raise_exception (exc);
7069 esize = sizeof (gpointer);
7070 else if (eklass == mono_defaults.char_class) /*can't call mono_marshal_type_size since it causes all sorts of asserts*/
7071 esize = mono_pinvoke_is_unicode (m->piinfo) ? 2 : 1;
7073 esize = mono_class_native_size (eklass, NULL);
7075 /* allocate space for the native struct and store the address */
7076 mono_mb_emit_icon (mb, esize);
7077 mono_mb_emit_ldloc (mb, src_var);
7078 mono_mb_emit_byte (mb, CEE_LDLEN);
7080 if (eklass == mono_defaults.string_class) {
7081 /* Make the array bigger for the terminating null */
7082 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
7083 mono_mb_emit_byte (mb, CEE_ADD);
7085 mono_mb_emit_byte (mb, CEE_MUL);
7086 mono_mb_emit_byte (mb, CEE_PREFIX1);
7087 mono_mb_emit_byte (mb, CEE_LOCALLOC);
7088 mono_mb_emit_stloc (mb, conv_arg);
7090 mono_mb_emit_ldloc (mb, conv_arg);
7091 mono_mb_emit_stloc (mb, dest_ptr);
7093 /* Emit marshalling loop */
7094 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7095 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7096 mono_mb_emit_stloc (mb, index_var);
7097 label2 = mono_mb_get_label (mb);
7098 mono_mb_emit_ldloc (mb, index_var);
7099 mono_mb_emit_ldloc (mb, src_var);
7100 mono_mb_emit_byte (mb, CEE_LDLEN);
7101 label3 = mono_mb_emit_branch (mb, CEE_BGE);
7103 /* Emit marshalling code */
7106 mono_mb_emit_ldloc (mb, dest_ptr);
7107 mono_mb_emit_ldloc (mb, src_var);
7108 mono_mb_emit_ldloc (mb, index_var);
7109 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
7110 mono_mb_emit_icall (mb, conv_to_icall (conv));
7111 mono_mb_emit_byte (mb, CEE_STIND_I);
7113 /* set the src_ptr */
7114 mono_mb_emit_ldloc (mb, src_var);
7115 mono_mb_emit_ldloc (mb, index_var);
7116 mono_mb_emit_op (mb, CEE_LDELEMA, eklass);
7117 mono_mb_emit_stloc (mb, 0);
7120 mono_mb_emit_ldloc (mb, dest_ptr);
7121 mono_mb_emit_stloc (mb, 1);
7123 /* emit valuetype conversion code */
7124 emit_struct_conv_full (mb, eklass, FALSE, eklass == mono_defaults.char_class ? encoding : -1);
7127 mono_mb_emit_add_to_local (mb, index_var, 1);
7128 mono_mb_emit_add_to_local (mb, dest_ptr, esize);
7130 mono_mb_emit_branch_label (mb, CEE_BR, label2);
7132 mono_mb_patch_branch (mb, label3);
7134 if (eklass == mono_defaults.string_class) {
7135 /* Null terminate */
7136 mono_mb_emit_ldloc (mb, dest_ptr);
7137 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7138 mono_mb_emit_byte (mb, CEE_STIND_REF);
7141 mono_mb_patch_branch (mb, label1);
7146 case MARSHAL_ACTION_CONV_OUT:
7147 /* Unicode character arrays are implicitly marshalled as [Out] under MS.NET */
7148 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);
7149 need_free = mono_marshal_need_free (&klass->element_class->byval_arg,
7152 if (need_convert || need_free) {
7153 /* FIXME: Optimize blittable case */
7155 guint32 label1, label2, label3;
7156 int index_var, src_ptr, loc, esize;
7158 eklass = klass->element_class;
7159 if ((eklass == mono_defaults.stringbuilder_class) || (eklass == mono_defaults.string_class))
7160 esize = sizeof (gpointer);
7161 else if (eklass == mono_defaults.char_class)
7162 esize = mono_pinvoke_is_unicode (m->piinfo) ? 2 : 1;
7164 esize = mono_class_native_size (eklass, NULL);
7165 src_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7166 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7169 mono_mb_emit_ldarg (mb, argnum);
7171 mono_mb_emit_byte (mb, CEE_LDIND_I);
7172 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
7174 mono_mb_emit_ldloc (mb, conv_arg);
7175 mono_mb_emit_stloc (mb, src_ptr);
7177 /* Emit marshalling loop */
7178 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7179 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7180 mono_mb_emit_stloc (mb, index_var);
7181 label2 = mono_mb_get_label (mb);
7182 mono_mb_emit_ldloc (mb, index_var);
7183 mono_mb_emit_ldarg (mb, argnum);
7185 mono_mb_emit_byte (mb, CEE_LDIND_REF);
7186 mono_mb_emit_byte (mb, CEE_LDLEN);
7187 label3 = mono_mb_emit_branch (mb, CEE_BGE);
7189 /* Emit marshalling code */
7191 if (eklass == mono_defaults.stringbuilder_class) {
7192 gboolean need_free2;
7193 MonoMarshalConv conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free2);
7195 g_assert (conv != -1);
7198 mono_mb_emit_ldarg (mb, argnum);
7200 mono_mb_emit_byte (mb, CEE_LDIND_I);
7201 mono_mb_emit_ldloc (mb, index_var);
7202 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
7205 mono_mb_emit_ldloc (mb, src_ptr);
7206 mono_mb_emit_byte (mb, CEE_LDIND_I);
7208 mono_mb_emit_icall (mb, conv_to_icall (conv));
7212 mono_mb_emit_ldloc (mb, src_ptr);
7213 mono_mb_emit_byte (mb, CEE_LDIND_I);
7215 mono_mb_emit_icall (mb, mono_marshal_free);
7218 else if (eklass == mono_defaults.string_class) {
7221 mono_mb_emit_ldloc (mb, src_ptr);
7222 mono_mb_emit_byte (mb, CEE_LDIND_I);
7224 mono_mb_emit_icall (mb, mono_marshal_free);
7229 /* set the src_ptr */
7230 mono_mb_emit_ldloc (mb, src_ptr);
7231 mono_mb_emit_stloc (mb, 0);
7234 mono_mb_emit_ldarg (mb, argnum);
7236 mono_mb_emit_byte (mb, CEE_LDIND_REF);
7237 mono_mb_emit_ldloc (mb, index_var);
7238 mono_mb_emit_op (mb, CEE_LDELEMA, eklass);
7239 mono_mb_emit_stloc (mb, 1);
7241 /* emit valuetype conversion code */
7242 emit_struct_conv_full (mb, eklass, TRUE, eklass == mono_defaults.char_class ? encoding : -1);
7246 mono_mb_emit_ldloc (mb, src_ptr);
7247 mono_mb_emit_stloc (mb, loc);
7248 mono_mb_emit_ldloc (mb, loc);
7250 emit_struct_free (mb, eklass, loc);
7254 mono_mb_emit_add_to_local (mb, index_var, 1);
7255 mono_mb_emit_add_to_local (mb, src_ptr, esize);
7257 mono_mb_emit_branch_label (mb, CEE_BR, label2);
7259 mono_mb_patch_branch (mb, label1);
7260 mono_mb_patch_branch (mb, label3);
7263 if (klass->element_class->blittable) {
7264 /* free memory allocated (if any) by MONO_MARSHAL_CONV_ARRAY_LPARRAY */
7266 mono_mb_emit_ldarg (mb, argnum);
7267 mono_mb_emit_ldloc (mb, conv_arg);
7268 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_FREE_LPARRAY));
7273 case MARSHAL_ACTION_PUSH:
7275 mono_mb_emit_ldloc_addr (mb, conv_arg);
7277 mono_mb_emit_ldloc (mb, conv_arg);
7280 case MARSHAL_ACTION_CONV_RESULT:
7281 /* fixme: we need conversions here */
7282 mono_mb_emit_stloc (mb, 3);
7285 case MARSHAL_ACTION_MANAGED_CONV_IN: {
7287 guint32 label1, label2, label3;
7288 int index_var, src_ptr, loc, esize, param_num, num_elem;
7289 MonoMarshalConv conv;
7290 gboolean is_string = FALSE;
7292 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
7293 *conv_arg_type = &mono_defaults.int_class->byval_arg;
7296 char *msg = g_strdup ("Byref array marshalling to managed code is not implemented.");
7297 mono_mb_emit_exception_marshal_directive (mb, msg);
7301 char *msg = g_strdup ("[MarshalAs] attribute required to marshal arrays to managed code.");
7302 mono_mb_emit_exception_marshal_directive (mb, msg);
7305 if (spec->native != MONO_NATIVE_LPARRAY) {
7306 char *msg = g_strdup ("Non LPArray marshalling of arrays to managed code is not implemented.");
7307 mono_mb_emit_exception_marshal_directive (mb, msg);
7311 /* FIXME: t is from the method which is wrapped, not the delegate type */
7312 /* g_assert (t->attrs & PARAM_ATTRIBUTE_IN); */
7314 param_num = spec->data.array_data.param_num;
7315 num_elem = spec->data.array_data.num_elem;
7316 if (spec->data.array_data.elem_mult == 0)
7317 /* param_num is not specified */
7320 if (param_num == -1) {
7321 if (num_elem <= 0) {
7322 char *msg = g_strdup ("Either SizeConst or SizeParamIndex should be specified when marshalling arrays to managed code.");
7323 mono_mb_emit_exception_marshal_directive (mb, msg);
7328 /* FIXME: Optimize blittable case */
7330 eklass = klass->element_class;
7331 if (eklass == mono_defaults.string_class) {
7333 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
7335 else if (eklass == mono_defaults.stringbuilder_class) {
7337 conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free);
7342 mono_marshal_load_type_info (eklass);
7345 esize = sizeof (gpointer);
7347 esize = mono_class_native_size (eklass, NULL);
7348 src_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7349 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7351 mono_mb_emit_byte (mb, CEE_LDNULL);
7352 mono_mb_emit_stloc (mb, conv_arg);
7354 /* Check param index */
7355 if (param_num != -1) {
7356 if (param_num >= m->sig->param_count) {
7357 char *msg = g_strdup ("Array size control parameter index is out of range.");
7358 mono_mb_emit_exception_marshal_directive (mb, msg);
7361 switch (m->sig->params [param_num]->type) {
7374 char *msg = g_strdup ("Array size control parameter must be an integral type.");
7375 mono_mb_emit_exception_marshal_directive (mb, msg);
7382 mono_mb_emit_ldarg (mb, argnum);
7383 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
7385 mono_mb_emit_ldarg (mb, argnum);
7386 mono_mb_emit_stloc (mb, src_ptr);
7388 /* Create managed array */
7390 * The LPArray marshalling spec says that sometimes param_num starts
7391 * from 1, sometimes it starts from 0. But MS seems to allways start
7395 if (param_num == -1) {
7396 mono_mb_emit_icon (mb, num_elem);
7398 mono_mb_emit_ldarg (mb, param_num);
7400 mono_mb_emit_icon (mb, num_elem);
7401 mono_mb_emit_byte (mb, CEE_ADD);
7403 mono_mb_emit_byte (mb, CEE_CONV_OVF_I);
7406 mono_mb_emit_op (mb, CEE_NEWARR, eklass);
7407 mono_mb_emit_stloc (mb, conv_arg);
7409 if (eklass->blittable) {
7410 mono_mb_emit_ldloc (mb, conv_arg);
7411 mono_mb_emit_byte (mb, CEE_CONV_I);
7412 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArray, vector));
7413 mono_mb_emit_byte (mb, CEE_ADD);
7414 mono_mb_emit_ldarg (mb, argnum);
7415 mono_mb_emit_ldloc (mb, conv_arg);
7416 mono_mb_emit_byte (mb, CEE_LDLEN);
7417 mono_mb_emit_icon (mb, esize);
7418 mono_mb_emit_byte (mb, CEE_MUL);
7419 mono_mb_emit_byte (mb, CEE_PREFIX1);
7420 mono_mb_emit_byte (mb, CEE_CPBLK);
7424 /* Emit marshalling loop */
7425 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7426 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7427 mono_mb_emit_stloc (mb, index_var);
7428 label2 = mono_mb_get_label (mb);
7429 mono_mb_emit_ldloc (mb, index_var);
7430 mono_mb_emit_ldloc (mb, conv_arg);
7431 mono_mb_emit_byte (mb, CEE_LDLEN);
7432 label3 = mono_mb_emit_branch (mb, CEE_BGE);
7434 /* Emit marshalling code */
7436 g_assert (conv != -1);
7438 mono_mb_emit_ldloc (mb, conv_arg);
7439 mono_mb_emit_ldloc (mb, index_var);
7441 mono_mb_emit_ldloc (mb, src_ptr);
7442 mono_mb_emit_byte (mb, CEE_LDIND_I);
7444 mono_mb_emit_icall (mb, conv_to_icall (conv));
7445 mono_mb_emit_byte (mb, CEE_STELEM_REF);
7448 char *msg = g_strdup ("Marshalling of non-string and non-blittable arrays to managed code is not implemented.");
7449 mono_mb_emit_exception_marshal_directive (mb, msg);
7453 mono_mb_emit_add_to_local (mb, index_var, 1);
7454 mono_mb_emit_add_to_local (mb, src_ptr, esize);
7456 mono_mb_emit_branch_label (mb, CEE_BR, label2);
7458 mono_mb_patch_branch (mb, label1);
7459 mono_mb_patch_branch (mb, label3);
7463 case MARSHAL_ACTION_MANAGED_CONV_OUT: {
7465 guint32 label1, label2, label3;
7466 int index_var, dest_ptr, loc, esize, param_num, num_elem;
7467 MonoMarshalConv conv;
7468 gboolean is_string = FALSE;
7471 /* Already handled in CONV_IN */
7474 /* These are already checked in CONV_IN */
7475 g_assert (!t->byref);
7476 g_assert (spec->native == MONO_NATIVE_LPARRAY);
7477 g_assert (t->attrs & PARAM_ATTRIBUTE_OUT);
7479 param_num = spec->data.array_data.param_num;
7480 num_elem = spec->data.array_data.num_elem;
7482 if (spec->data.array_data.elem_mult == 0)
7483 /* param_num is not specified */
7486 if (param_num == -1) {
7487 if (num_elem <= 0) {
7488 g_assert_not_reached ();
7492 /* FIXME: Optimize blittable case */
7494 eklass = klass->element_class;
7495 if (eklass == mono_defaults.string_class) {
7497 conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
7499 else if (eklass == mono_defaults.stringbuilder_class) {
7501 conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
7506 mono_marshal_load_type_info (eklass);
7509 esize = sizeof (gpointer);
7511 esize = mono_class_native_size (eklass, NULL);
7513 dest_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7514 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7517 mono_mb_emit_ldloc (mb, conv_arg);
7518 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
7520 mono_mb_emit_ldarg (mb, argnum);
7521 mono_mb_emit_stloc (mb, dest_ptr);
7523 if (eklass->blittable) {
7525 mono_mb_emit_ldarg (mb, argnum);
7527 mono_mb_emit_ldloc (mb, conv_arg);
7528 mono_mb_emit_byte (mb, CEE_CONV_I);
7529 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArray, vector));
7530 mono_mb_emit_byte (mb, CEE_ADD);
7532 mono_mb_emit_ldloc (mb, conv_arg);
7533 mono_mb_emit_byte (mb, CEE_LDLEN);
7534 mono_mb_emit_icon (mb, esize);
7535 mono_mb_emit_byte (mb, CEE_MUL);
7536 mono_mb_emit_byte (mb, CEE_PREFIX1);
7537 mono_mb_emit_byte (mb, CEE_CPBLK);
7541 /* Emit marshalling loop */
7542 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7543 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7544 mono_mb_emit_stloc (mb, index_var);
7545 label2 = mono_mb_get_label (mb);
7546 mono_mb_emit_ldloc (mb, index_var);
7547 mono_mb_emit_ldloc (mb, conv_arg);
7548 mono_mb_emit_byte (mb, CEE_LDLEN);
7549 label3 = mono_mb_emit_branch (mb, CEE_BGE);
7551 /* Emit marshalling code */
7553 g_assert (conv != -1);
7556 mono_mb_emit_ldloc (mb, dest_ptr);
7559 mono_mb_emit_ldloc (mb, conv_arg);
7560 mono_mb_emit_ldloc (mb, index_var);
7562 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
7564 mono_mb_emit_icall (mb, conv_to_icall (conv));
7565 mono_mb_emit_byte (mb, CEE_STIND_I);
7568 char *msg = g_strdup ("Marshalling of non-string and non-blittable arrays to managed code is not implemented.");
7569 mono_mb_emit_exception_marshal_directive (mb, msg);
7573 mono_mb_emit_add_to_local (mb, index_var, 1);
7574 mono_mb_emit_add_to_local (mb, dest_ptr, esize);
7576 mono_mb_emit_branch_label (mb, CEE_BR, label2);
7578 mono_mb_patch_branch (mb, label1);
7579 mono_mb_patch_branch (mb, label3);
7583 case MARSHAL_ACTION_MANAGED_CONV_RESULT: {
7585 guint32 label1, label2, label3;
7586 int index_var, src, dest, esize;
7587 MonoMarshalConv conv = -1;
7588 gboolean is_string = FALSE;
7590 g_assert (!t->byref);
7592 eklass = klass->element_class;
7594 mono_marshal_load_type_info (eklass);
7596 if (eklass == mono_defaults.string_class) {
7598 conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
7601 g_assert_not_reached ();
7605 esize = sizeof (gpointer);
7606 else if (eklass == mono_defaults.char_class)
7607 esize = mono_pinvoke_is_unicode (m->piinfo) ? 2 : 1;
7609 esize = mono_class_native_size (eklass, NULL);
7611 src = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
7612 dest = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7614 mono_mb_emit_stloc (mb, src);
7615 mono_mb_emit_ldloc (mb, src);
7616 mono_mb_emit_stloc (mb, 3);
7618 /* Check for null */
7619 mono_mb_emit_ldloc (mb, src);
7620 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
7622 /* Allocate native array */
7623 mono_mb_emit_icon (mb, esize);
7624 mono_mb_emit_ldloc (mb, src);
7625 mono_mb_emit_byte (mb, CEE_LDLEN);
7627 if (eklass == mono_defaults.string_class) {
7628 /* Make the array bigger for the terminating null */
7629 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
7630 mono_mb_emit_byte (mb, CEE_ADD);
7632 mono_mb_emit_byte (mb, CEE_MUL);
7633 mono_mb_emit_icall (mb, mono_marshal_alloc);
7634 mono_mb_emit_stloc (mb, dest);
7635 mono_mb_emit_ldloc (mb, dest);
7636 mono_mb_emit_stloc (mb, 3);
7638 /* Emit marshalling loop */
7639 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7640 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7641 mono_mb_emit_stloc (mb, index_var);
7642 label2 = mono_mb_get_label (mb);
7643 mono_mb_emit_ldloc (mb, index_var);
7644 mono_mb_emit_ldloc (mb, src);
7645 mono_mb_emit_byte (mb, CEE_LDLEN);
7646 label3 = mono_mb_emit_branch (mb, CEE_BGE);
7648 /* Emit marshalling code */
7650 g_assert (conv != -1);
7653 mono_mb_emit_ldloc (mb, dest);
7656 mono_mb_emit_ldloc (mb, src);
7657 mono_mb_emit_ldloc (mb, index_var);
7659 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
7661 mono_mb_emit_icall (mb, conv_to_icall (conv));
7662 mono_mb_emit_byte (mb, CEE_STIND_I);
7665 char *msg = g_strdup ("Marshalling of non-string arrays to managed code is not implemented.");
7666 mono_mb_emit_exception_marshal_directive (mb, msg);
7670 mono_mb_emit_add_to_local (mb, index_var, 1);
7671 mono_mb_emit_add_to_local (mb, dest, esize);
7673 mono_mb_emit_branch_label (mb, CEE_BR, label2);
7675 mono_mb_patch_branch (mb, label3);
7676 mono_mb_patch_branch (mb, label1);
7680 g_assert_not_reached ();
7687 emit_marshal_boolean (EmitMarshalContext *m, int argnum, MonoType *t,
7688 MonoMarshalSpec *spec,
7689 int conv_arg, MonoType **conv_arg_type,
7690 MarshalAction action)
7692 MonoMethodBuilder *mb = m->mb;
7695 case MARSHAL_ACTION_CONV_IN: {
7696 MonoType *local_type;
7698 guint8 ldc_op = CEE_LDC_I4_1;
7701 local_type = &mono_defaults.int32_class->byval_arg;
7703 switch (spec->native) {
7704 case MONO_NATIVE_I1:
7705 case MONO_NATIVE_U1:
7706 local_type = &mono_defaults.byte_class->byval_arg;
7708 case MONO_NATIVE_VARIANTBOOL:
7709 local_type = &mono_defaults.int16_class->byval_arg;
7710 ldc_op = CEE_LDC_I4_M1;
7712 case MONO_NATIVE_BOOLEAN:
7713 local_type = &mono_defaults.int32_class->byval_arg;
7716 g_warning ("marshalling bool as native type %x is currently not supported", spec->native);
7717 local_type = &mono_defaults.int32_class->byval_arg;
7722 *conv_arg_type = &mono_defaults.int_class->byval_arg;
7724 *conv_arg_type = local_type;
7725 conv_arg = mono_mb_add_local (mb, local_type);
7727 mono_mb_emit_ldarg (mb, argnum);
7729 mono_mb_emit_byte (mb, CEE_LDIND_I1);
7730 label_false = mono_mb_emit_branch (mb, CEE_BRFALSE);
7731 mono_mb_emit_byte (mb, ldc_op);
7732 mono_mb_emit_stloc (mb, conv_arg);
7733 mono_mb_patch_branch (mb, label_false);
7738 case MARSHAL_ACTION_CONV_OUT:
7740 int label_false, label_end;
7744 mono_mb_emit_ldarg (mb, argnum);
7745 mono_mb_emit_ldloc (mb, conv_arg);
7747 label_false = mono_mb_emit_branch (mb, CEE_BRFALSE);
7748 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
7750 label_end = mono_mb_emit_branch (mb, CEE_BR);
7751 mono_mb_patch_branch (mb, label_false);
7752 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7753 mono_mb_patch_branch (mb, label_end);
7755 mono_mb_emit_byte (mb, CEE_STIND_I1);
7759 case MARSHAL_ACTION_PUSH:
7761 mono_mb_emit_ldloc_addr (mb, conv_arg);
7763 mono_mb_emit_ldloc (mb, conv_arg);
7765 mono_mb_emit_ldarg (mb, argnum);
7768 case MARSHAL_ACTION_CONV_RESULT:
7769 /* maybe we need to make sure that it fits within 8 bits */
7770 mono_mb_emit_stloc (mb, 3);
7773 case MARSHAL_ACTION_MANAGED_CONV_IN: {
7774 MonoClass* conv_arg_class = mono_defaults.int32_class;
7775 guint8 ldop = CEE_LDIND_I4;
7776 int label_null, label_false;
7778 conv_arg = mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
7781 switch (spec->native) {
7782 case MONO_NATIVE_I1:
7783 case MONO_NATIVE_U1:
7784 conv_arg_class = mono_defaults.byte_class;
7785 ldop = CEE_LDIND_I1;
7787 case MONO_NATIVE_VARIANTBOOL:
7788 conv_arg_class = mono_defaults.int16_class;
7789 ldop = CEE_LDIND_I2;
7791 case MONO_NATIVE_BOOLEAN:
7794 g_warning ("marshalling bool as native type %x is currently not supported", spec->native);
7799 *conv_arg_type = &conv_arg_class->this_arg;
7801 *conv_arg_type = &conv_arg_class->byval_arg;
7804 mono_mb_emit_ldarg (mb, argnum);
7808 label_null = mono_mb_emit_branch (mb, CEE_BRFALSE);
7809 mono_mb_emit_ldarg (mb, argnum);
7810 mono_mb_emit_byte (mb, ldop);
7814 label_false = mono_mb_emit_branch (mb, CEE_BRFALSE);
7815 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
7816 mono_mb_emit_stloc (mb, conv_arg);
7817 mono_mb_patch_branch (mb, label_false);
7820 mono_mb_patch_branch (mb, label_null);
7824 case MARSHAL_ACTION_MANAGED_CONV_OUT: {
7825 guint8 stop = CEE_STIND_I4;
7826 guint8 ldc_op = CEE_LDC_I4_1;
7827 int label_null,label_false, label_end;;
7832 switch (spec->native) {
7833 case MONO_NATIVE_I1:
7834 case MONO_NATIVE_U1:
7835 stop = CEE_STIND_I1;
7837 case MONO_NATIVE_VARIANTBOOL:
7838 stop = CEE_STIND_I2;
7839 ldc_op = CEE_LDC_I4_M1;
7847 mono_mb_emit_ldarg (mb, argnum);
7848 label_null = mono_mb_emit_branch (mb, CEE_BRFALSE);
7850 mono_mb_emit_ldarg (mb, argnum);
7851 mono_mb_emit_ldloc (mb, conv_arg);
7853 label_false = mono_mb_emit_branch (mb, CEE_BRFALSE);
7854 mono_mb_emit_byte (mb, ldc_op);
7855 label_end = mono_mb_emit_branch (mb, CEE_BR);
7857 mono_mb_patch_branch (mb, label_false);
7858 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7859 mono_mb_patch_branch (mb, label_end);
7861 mono_mb_emit_byte (mb, stop);
7862 mono_mb_patch_branch (mb, label_null);
7867 g_assert_not_reached ();
7874 emit_marshal_ptr (EmitMarshalContext *m, int argnum, MonoType *t,
7875 MonoMarshalSpec *spec, int conv_arg,
7876 MonoType **conv_arg_type, MarshalAction action)
7878 MonoMethodBuilder *mb = m->mb;
7881 case MARSHAL_ACTION_CONV_IN:
7882 if (MONO_TYPE_ISSTRUCT (t->data.type) && !mono_class_from_mono_type (t->data.type)->blittable) {
7883 char *msg = g_strdup_printf ("Can not marshal 'parameter #%d': Pointers can not reference marshaled structures. Use byref instead.", argnum + 1);
7884 mono_mb_emit_exception_marshal_directive (m->mb, msg);
7888 case MARSHAL_ACTION_PUSH:
7889 mono_mb_emit_ldarg (mb, argnum);
7892 case MARSHAL_ACTION_CONV_RESULT:
7893 /* no conversions necessary */
7894 mono_mb_emit_stloc (mb, 3);
7905 emit_marshal_char (EmitMarshalContext *m, int argnum, MonoType *t,
7906 MonoMarshalSpec *spec, int conv_arg,
7907 MonoType **conv_arg_type, MarshalAction action)
7909 MonoMethodBuilder *mb = m->mb;
7912 case MARSHAL_ACTION_PUSH:
7913 /* fixme: dont know how to marshal that. We cant simply
7914 * convert it to a one byte UTF8 character, because an
7915 * unicode character may need more that one byte in UTF8 */
7916 mono_mb_emit_ldarg (mb, argnum);
7919 case MARSHAL_ACTION_CONV_RESULT:
7920 /* fixme: we need conversions here */
7921 mono_mb_emit_stloc (mb, 3);
7932 emit_marshal_scalar (EmitMarshalContext *m, int argnum, MonoType *t,
7933 MonoMarshalSpec *spec, int conv_arg,
7934 MonoType **conv_arg_type, MarshalAction action)
7936 MonoMethodBuilder *mb = m->mb;
7939 case MARSHAL_ACTION_PUSH:
7940 mono_mb_emit_ldarg (mb, argnum);
7943 case MARSHAL_ACTION_CONV_RESULT:
7944 /* no conversions necessary */
7945 mono_mb_emit_stloc (mb, 3);
7956 emit_marshal (EmitMarshalContext *m, int argnum, MonoType *t,
7957 MonoMarshalSpec *spec, int conv_arg,
7958 MonoType **conv_arg_type, MarshalAction action)
7960 /* Ensure that we have marshalling info for this param */
7961 mono_marshal_load_type_info (mono_class_from_mono_type (t));
7963 if (spec && spec->native == MONO_NATIVE_CUSTOM)
7964 return emit_marshal_custom (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7966 if (spec && spec->native == MONO_NATIVE_ASANY)
7967 return emit_marshal_asany (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7970 case MONO_TYPE_VALUETYPE:
7971 if (t->data.klass == mono_defaults.handleref_class)
7972 return emit_marshal_handleref (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7974 return emit_marshal_vtype (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7975 case MONO_TYPE_STRING:
7976 return emit_marshal_string (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7977 case MONO_TYPE_CLASS:
7978 case MONO_TYPE_OBJECT:
7979 if (spec && spec->native == MONO_NATIVE_STRUCT)
7980 return emit_marshal_variant (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7983 if (spec && (spec->native == MONO_NATIVE_IUNKNOWN ||
7984 spec->native == MONO_NATIVE_IDISPATCH ||
7985 spec->native == MONO_NATIVE_INTERFACE))
7986 return mono_cominterop_emit_marshal_com_interface (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7987 if (spec && (spec->native == MONO_NATIVE_SAFEARRAY) &&
7988 (spec->data.safearray_data.elem_type == MONO_VARIANT_VARIANT) &&
7989 ((action == MARSHAL_ACTION_CONV_OUT) || (action == MARSHAL_ACTION_CONV_IN) || (action == MARSHAL_ACTION_PUSH)))
7990 return mono_cominterop_emit_marshal_safearray (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7993 if (mono_defaults.safehandle_class != NULL && t->data.klass &&
7994 mono_class_is_subclass_of (t->data.klass, mono_defaults.safehandle_class, FALSE))
7995 return emit_marshal_safehandle (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7997 return emit_marshal_object (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7998 case MONO_TYPE_ARRAY:
7999 case MONO_TYPE_SZARRAY:
8000 return emit_marshal_array (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8001 case MONO_TYPE_BOOLEAN:
8002 return emit_marshal_boolean (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8004 return emit_marshal_ptr (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8005 case MONO_TYPE_CHAR:
8006 return emit_marshal_char (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8019 case MONO_TYPE_FNPTR:
8020 return emit_marshal_scalar (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8021 case MONO_TYPE_GENERICINST:
8022 if (mono_type_generic_inst_is_valuetype (t))
8023 return emit_marshal_vtype (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8025 return emit_marshal_object (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8032 * mono_marshal_emit_native_wrapper:
8033 * @image: the image to use for looking up custom marshallers
8034 * @sig: The signature of the native function
8035 * @piinfo: Marshalling information
8036 * @mspecs: Marshalling information
8037 * @aot: whenever the created method will be compiled by the AOT compiler
8038 * @method: if non-NULL, the pinvoke method to call
8039 * @check_exceptions: Whenever to check for pending exceptions after the native call
8041 * generates IL code for the pinvoke wrapper, the generated code calls @func.
8044 mono_marshal_emit_native_wrapper (MonoImage *image, MonoMethodBuilder *mb, MonoMethodSignature *sig, MonoMethodPInvoke *piinfo, MonoMarshalSpec **mspecs, gpointer func, gboolean aot, gboolean check_exceptions)
8046 EmitMarshalContext m;
8047 MonoMethodSignature *csig;
8049 int i, argnum, *tmp_locals;
8051 static MonoMethodSignature *get_last_error_sig = NULL;
8056 /* we copy the signature, so that we can set pinvoke to 0 */
8057 csig = signature_dup (mb->method->klass->image, sig);
8062 /* we allocate local for use with emit_struct_conv() */
8063 /* allocate local 0 (pointer) src_ptr */
8064 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8065 /* allocate local 1 (pointer) dst_ptr */
8066 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8067 /* allocate local 2 (boolean) delete_old */
8068 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
8070 /* delete_old = FALSE */
8071 mono_mb_emit_icon (mb, 0);
8072 mono_mb_emit_stloc (mb, 2);
8074 if (!MONO_TYPE_IS_VOID(sig->ret)) {
8075 /* allocate local 3 to store the return value */
8076 mono_mb_add_local (mb, sig->ret);
8079 if (mspecs [0] && mspecs [0]->native == MONO_NATIVE_CUSTOM) {
8080 /* Return type custom marshaling */
8082 * Since we can't determine the return type of the unmanaged function,
8083 * we assume it returns a pointer, and pass that pointer to
8084 * MarshalNativeToManaged.
8086 csig->ret = &mono_defaults.int_class->byval_arg;
8089 /* we first do all conversions */
8090 tmp_locals = alloca (sizeof (int) * sig->param_count);
8091 m.orig_conv_args = alloca (sizeof (int) * (sig->param_count + 1));
8093 for (i = 0; i < sig->param_count; i ++) {
8094 tmp_locals [i] = emit_marshal (&m, i + sig->hasthis, sig->params [i], mspecs [i + 1], 0, &csig->params [i], MARSHAL_ACTION_CONV_IN);
8097 /* push all arguments */
8100 mono_mb_emit_byte (mb, CEE_LDARG_0);
8102 for (i = 0; i < sig->param_count; i++) {
8103 emit_marshal (&m, i + sig->hasthis, sig->params [i], mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_PUSH);
8106 /* call the native method */
8107 if (MONO_CLASS_IS_IMPORT (mb->method->klass)) {
8109 mono_mb_emit_cominterop_call (mb, csig, &piinfo->method);
8111 g_assert_not_reached ();
8116 /* Reuse the ICALL_ADDR opcode for pinvokes too */
8117 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
8118 mono_mb_emit_op (mb, CEE_MONO_ICALL_ADDR, &piinfo->method);
8119 mono_mb_emit_calli (mb, csig);
8121 mono_mb_emit_native_call (mb, csig, func);
8125 /* Set LastError if needed */
8126 if (piinfo->piflags & PINVOKE_ATTRIBUTE_SUPPORTS_LAST_ERROR) {
8127 if (!get_last_error_sig) {
8128 get_last_error_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
8129 get_last_error_sig->ret = &mono_defaults.int_class->byval_arg;
8130 get_last_error_sig->pinvoke = 1;
8135 * Have to call GetLastError () early and without a wrapper, since various runtime components could
8136 * clobber its value.
8138 mono_mb_emit_native_call (mb, get_last_error_sig, GetLastError);
8139 mono_mb_emit_icall (mb, mono_marshal_set_last_error_windows);
8141 mono_mb_emit_icall (mb, mono_marshal_set_last_error);
8145 /* convert the result */
8146 if (!sig->ret->byref) {
8147 MonoMarshalSpec *spec = mspecs [0];
8148 type = sig->ret->type;
8150 if (spec && spec->native == MONO_NATIVE_CUSTOM) {
8151 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
8156 case MONO_TYPE_VOID:
8158 case MONO_TYPE_VALUETYPE:
8159 klass = sig->ret->data.klass;
8160 if (klass->enumtype) {
8161 type = mono_class_enum_basetype (sig->ret->data.klass)->type;
8164 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
8178 case MONO_TYPE_FNPTR:
8179 case MONO_TYPE_STRING:
8180 case MONO_TYPE_CLASS:
8181 case MONO_TYPE_OBJECT:
8182 case MONO_TYPE_BOOLEAN:
8183 case MONO_TYPE_ARRAY:
8184 case MONO_TYPE_SZARRAY:
8185 case MONO_TYPE_CHAR:
8187 case MONO_TYPE_GENERICINST:
8188 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
8190 case MONO_TYPE_TYPEDBYREF:
8192 g_warning ("return type 0x%02x unknown", sig->ret->type);
8193 g_assert_not_reached ();
8197 mono_mb_emit_stloc (mb, 3);
8201 * Need to call this after converting the result since MONO_VTADDR needs
8202 * to be adjacent to the call instruction.
8204 if (check_exceptions)
8205 emit_thread_interrupt_checkpoint (mb);
8207 /* we need to convert byref arguments back and free string arrays */
8208 for (i = 0; i < sig->param_count; i++) {
8209 MonoType *t = sig->params [i];
8210 MonoMarshalSpec *spec = mspecs [i + 1];
8212 argnum = i + sig->hasthis;
8214 if (spec && ((spec->native == MONO_NATIVE_CUSTOM) || (spec->native == MONO_NATIVE_ASANY))) {
8215 emit_marshal (&m, argnum, t, spec, tmp_locals [i], NULL, MARSHAL_ACTION_CONV_OUT);
8220 case MONO_TYPE_STRING:
8221 case MONO_TYPE_VALUETYPE:
8222 case MONO_TYPE_CLASS:
8223 case MONO_TYPE_OBJECT:
8224 case MONO_TYPE_SZARRAY:
8225 case MONO_TYPE_BOOLEAN:
8226 emit_marshal (&m, argnum, t, spec, tmp_locals [i], NULL, MARSHAL_ACTION_CONV_OUT);
8231 if (!MONO_TYPE_IS_VOID(sig->ret))
8232 mono_mb_emit_ldloc (mb, 3);
8234 mono_mb_emit_byte (mb, CEE_RET);
8237 G_GNUC_UNUSED static void
8238 code_for (MonoMethod *method) {
8239 MonoMethodHeader *header = mono_method_get_header (method);
8240 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));
8244 * mono_marshal_get_native_wrapper:
8245 * @method: The MonoMethod to wrap.
8246 * @check_exceptions: Whenever to check for pending exceptions
8248 * generates IL code for the pinvoke wrapper (the generated method
8249 * calls the unmanaged code in piinfo->addr)
8252 mono_marshal_get_native_wrapper (MonoMethod *method, gboolean check_exceptions, gboolean aot)
8254 MonoMethodSignature *sig, *csig;
8255 MonoMethodPInvoke *piinfo = (MonoMethodPInvoke *) method;
8256 MonoMethodBuilder *mb;
8257 MonoMarshalSpec **mspecs;
8260 gboolean pinvoke = FALSE;
8263 const char *exc_class = "MissingMethodException";
8264 const char *exc_arg = NULL;
8266 g_assert (method != NULL);
8267 g_assert (mono_method_signature (method)->pinvoke);
8270 cache = get_cache (&method->klass->image->native_wrapper_aot_cache, mono_aligned_addr_hash, NULL);
8272 cache = get_cache (&method->klass->image->native_wrapper_cache, mono_aligned_addr_hash, NULL);
8273 if ((res = mono_marshal_find_in_cache (cache, method)))
8276 if (MONO_CLASS_IS_IMPORT (method->klass)) {
8278 return mono_cominterop_get_native_wrapper (method);
8280 g_assert_not_reached ();
8284 sig = mono_method_signature (method);
8286 if (!(method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
8287 (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL))
8290 if (!piinfo->addr) {
8292 if (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)
8293 exc_arg = "Method contains unsupported native code";
8295 mono_lookup_pinvoke_call (method, &exc_class, &exc_arg);
8297 piinfo->addr = mono_lookup_internal_call (method);
8300 /* hack - redirect certain string constructors to CreateString */
8301 if (piinfo->addr == ves_icall_System_String_ctor_RedirectToCreateString) {
8302 g_assert (!pinvoke);
8303 g_assert (method->string_ctor);
8304 g_assert (sig->hasthis);
8306 /* CreateString returns a value */
8307 csig = signature_dup (method->klass->image, sig);
8308 csig->ret = &mono_defaults.string_class->byval_arg;
8312 while ((res = mono_class_get_methods (mono_defaults.string_class, &iter))) {
8313 if (!strcmp ("CreateString", res->name) &&
8314 mono_metadata_signature_equal (csig, mono_method_signature (res))) {
8316 g_assert (!(res->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL));
8317 g_assert (!(res->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL));
8319 /* create a wrapper to preserve .ctor in stack trace */
8320 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_MANAGED_TO_MANAGED);
8322 mono_mb_emit_byte (mb, CEE_LDARG_0);
8323 for (i = 1; i <= csig->param_count; i++)
8324 mono_mb_emit_ldarg (mb, i);
8325 mono_mb_emit_managed_call (mb, res, NULL);
8326 mono_mb_emit_byte (mb, CEE_RET);
8328 /* use native_wrapper_cache because internal calls are looked up there */
8329 res = mono_mb_create_and_cache (cache, method,
8330 mb, csig, csig->param_count + 1);
8338 /* exception will be thrown */
8339 piinfo->addr = NULL;
8340 g_warning ("cannot find CreateString for .ctor");
8343 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_MANAGED_TO_NATIVE);
8345 mb->method->save_lmf = 1;
8348 * In AOT mode and embedding scenarios, it is possible that the icall is not
8349 * registered in the runtime doing the AOT compilation.
8351 if (!piinfo->addr && !aot) {
8352 mono_mb_emit_exception (mb, exc_class, exc_arg);
8353 csig = signature_dup (method->klass->image, sig);
8355 res = mono_mb_create_and_cache (cache, method,
8356 mb, csig, csig->param_count + 16);
8361 /* internal calls: we simply push all arguments and call the method (no conversions) */
8362 if (method->iflags & (METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL | METHOD_IMPL_ATTRIBUTE_RUNTIME)) {
8364 csig = signature_dup_add_this (sig, method->klass);
8366 csig = signature_dup (method->klass->image, sig);
8368 /* hack - string constructors returns a value */
8369 if (method->string_ctor)
8370 csig->ret = &mono_defaults.string_class->byval_arg;
8376 * Add a null check since public icalls can be called with 'call' which
8377 * does no such check.
8379 mono_mb_emit_byte (mb, CEE_LDARG_0);
8380 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
8381 mono_mb_emit_exception (mb, "NullReferenceException", NULL);
8382 mono_mb_patch_branch (mb, pos);
8384 mono_mb_emit_byte (mb, CEE_LDARG_0);
8387 for (i = 0; i < sig->param_count; i++)
8388 mono_mb_emit_ldarg (mb, i + sig->hasthis);
8391 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
8392 mono_mb_emit_op (mb, CEE_MONO_ICALL_ADDR, &piinfo->method);
8393 mono_mb_emit_calli (mb, csig);
8395 g_assert (piinfo->addr);
8396 mono_mb_emit_native_call (mb, csig, piinfo->addr);
8398 if (check_exceptions)
8399 emit_thread_interrupt_checkpoint (mb);
8400 mono_mb_emit_byte (mb, CEE_RET);
8402 csig = signature_dup (method->klass->image, csig);
8404 res = mono_mb_create_and_cache (cache, method,
8405 mb, csig, csig->param_count + 16);
8412 g_assert (piinfo->addr);
8414 mspecs = g_new (MonoMarshalSpec*, sig->param_count + 1);
8415 mono_method_get_marshal_info (method, mspecs);
8417 mono_marshal_emit_native_wrapper (mb->method->klass->image, mb, sig, piinfo, mspecs, piinfo->addr, aot, check_exceptions);
8419 csig = signature_dup (method->klass->image, sig);
8421 res = mono_mb_create_and_cache (cache, method,
8422 mb, csig, csig->param_count + 16);
8425 for (i = sig->param_count; i >= 0; i--)
8427 mono_metadata_free_marshal_spec (mspecs [i]);
8430 /* code_for (res); */
8436 * mono_marshal_get_native_func_wrapper:
8437 * @image: The image to use for memory allocation and for looking up custom marshallers.
8438 * @sig: The signature of the function
8439 * @func: The native function to wrap
8441 * Returns a wrapper method around native functions, similar to the pinvoke
8445 mono_marshal_get_native_func_wrapper (MonoImage *image, MonoMethodSignature *sig,
8446 MonoMethodPInvoke *piinfo, MonoMarshalSpec **mspecs, gpointer func)
8448 MonoMethodSignature *csig;
8450 MonoMethodBuilder *mb;
8455 cache = get_cache (&image->native_wrapper_cache, mono_aligned_addr_hash, NULL);
8456 if ((res = mono_marshal_find_in_cache (cache, func)))
8459 name = g_strdup_printf ("wrapper_native_%p", func);
8460 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_MANAGED_TO_NATIVE);
8461 mb->method->save_lmf = 1;
8463 mono_marshal_emit_native_wrapper (image, mb, sig, piinfo, mspecs, func, FALSE, TRUE);
8465 csig = signature_dup (image, sig);
8467 res = mono_mb_create_and_cache (cache, func,
8468 mb, csig, csig->param_count + 16);
8471 mono_marshal_set_wrapper_info (res, NULL);
8473 /* code_for (res); */
8479 * mono_marshal_emit_managed_wrapper:
8481 * Emit the body of a native-to-managed wrapper. INVOKE_SIG is the signature of
8482 * the delegate which wraps the managed method to be called. For closed delegates,
8483 * it could have fewer parameters than the method it wraps.
8484 * THIS_LOC is the memory location where the target of the delegate is stored.
8487 mono_marshal_emit_managed_wrapper (MonoMethodBuilder *mb, MonoMethodSignature *invoke_sig, MonoMarshalSpec **mspecs, EmitMarshalContext* m, MonoMethod *method, uint32_t target_handle)
8489 MonoMethodSignature *sig, *csig;
8491 gboolean closed = FALSE;
8496 /* allocate local 0 (pointer) src_ptr */
8497 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8498 /* allocate local 1 (pointer) dst_ptr */
8499 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8500 /* allocate local 2 (boolean) delete_old */
8501 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
8503 if (!sig->hasthis && sig->param_count != invoke_sig->param_count) {
8504 /* Closed delegate */
8505 g_assert (sig->param_count == invoke_sig->param_count + 1);
8507 /* Use a new signature without the first argument */
8508 sig = mono_metadata_signature_dup (sig);
8509 memmove (&sig->params [0], &sig->params [1], (sig->param_count - 1) * sizeof (MonoType*));
8510 sig->param_count --;
8513 if (!MONO_TYPE_IS_VOID(sig->ret)) {
8514 /* allocate local 3 to store the return value */
8515 mono_mb_add_local (mb, sig->ret);
8518 mono_mb_emit_icon (mb, 0);
8519 mono_mb_emit_stloc (mb, 2);
8521 /* we first do all conversions */
8522 tmp_locals = alloca (sizeof (int) * sig->param_count);
8523 for (i = 0; i < sig->param_count; i ++) {
8524 MonoType *t = sig->params [i];
8527 case MONO_TYPE_OBJECT:
8528 case MONO_TYPE_CLASS:
8529 case MONO_TYPE_VALUETYPE:
8530 case MONO_TYPE_ARRAY:
8531 case MONO_TYPE_SZARRAY:
8532 case MONO_TYPE_STRING:
8533 case MONO_TYPE_BOOLEAN:
8534 tmp_locals [i] = emit_marshal (m, i, sig->params [i], mspecs [i + 1], 0, &csig->params [i], MARSHAL_ACTION_MANAGED_CONV_IN);
8543 emit_thread_interrupt_checkpoint (mb);
8546 if (target_handle) {
8547 mono_mb_emit_icon (mb, (gint32)target_handle);
8548 mono_mb_emit_icall (mb, mono_gchandle_get_target);
8551 g_assert_not_reached ();
8553 } else if (closed) {
8554 mono_mb_emit_icon (mb, (gint32)target_handle);
8555 mono_mb_emit_icall (mb, mono_gchandle_get_target);
8558 for (i = 0; i < sig->param_count; i++) {
8559 MonoType *t = sig->params [i];
8561 if (tmp_locals [i]) {
8563 mono_mb_emit_ldloc_addr (mb, tmp_locals [i]);
8565 mono_mb_emit_ldloc (mb, tmp_locals [i]);
8568 mono_mb_emit_ldarg (mb, i);
8571 mono_mb_emit_managed_call (mb, method, NULL);
8573 if (mspecs [0] && mspecs [0]->native == MONO_NATIVE_CUSTOM) {
8574 emit_marshal (m, 0, sig->ret, mspecs [0], 0, NULL, MARSHAL_ACTION_MANAGED_CONV_RESULT);
8575 } else if (!sig->ret->byref) {
8576 switch (sig->ret->type) {
8577 case MONO_TYPE_VOID:
8579 case MONO_TYPE_BOOLEAN:
8582 case MONO_TYPE_CHAR:
8594 case MONO_TYPE_OBJECT:
8595 mono_mb_emit_stloc (mb, 3);
8597 case MONO_TYPE_STRING:
8598 csig->ret = &mono_defaults.int_class->byval_arg;
8599 emit_marshal (m, 0, sig->ret, mspecs [0], 0, NULL, MARSHAL_ACTION_MANAGED_CONV_RESULT);
8601 case MONO_TYPE_VALUETYPE:
8602 case MONO_TYPE_CLASS:
8603 case MONO_TYPE_SZARRAY:
8604 emit_marshal (m, 0, sig->ret, mspecs [0], 0, NULL, MARSHAL_ACTION_MANAGED_CONV_RESULT);
8607 g_warning ("return type 0x%02x unknown", sig->ret->type);
8608 g_assert_not_reached ();
8611 mono_mb_emit_stloc (mb, 3);
8614 /* Convert byref arguments back */
8615 for (i = 0; i < sig->param_count; i ++) {
8616 MonoType *t = sig->params [i];
8617 MonoMarshalSpec *spec = mspecs [i + 1];
8619 if (spec && spec->native == MONO_NATIVE_CUSTOM) {
8620 emit_marshal (m, i, t, mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_MANAGED_CONV_OUT);
8622 else if (t->byref) {
8624 case MONO_TYPE_CLASS:
8625 case MONO_TYPE_VALUETYPE:
8626 case MONO_TYPE_OBJECT:
8627 case MONO_TYPE_STRING:
8628 case MONO_TYPE_BOOLEAN:
8629 emit_marshal (m, i, t, mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_MANAGED_CONV_OUT);
8633 else if (invoke_sig->params [i]->attrs & PARAM_ATTRIBUTE_OUT) {
8634 /* The [Out] information is encoded in the delegate signature */
8636 case MONO_TYPE_SZARRAY:
8637 case MONO_TYPE_CLASS:
8638 case MONO_TYPE_VALUETYPE:
8639 emit_marshal (m, i, invoke_sig->params [i], mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_MANAGED_CONV_OUT);
8642 g_assert_not_reached ();
8647 if (m->retobj_var) {
8648 mono_mb_emit_ldloc (mb, m->retobj_var);
8649 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
8650 mono_mb_emit_op (mb, CEE_MONO_RETOBJ, m->retobj_class);
8653 if (!MONO_TYPE_IS_VOID(sig->ret))
8654 mono_mb_emit_ldloc (mb, 3);
8655 mono_mb_emit_byte (mb, CEE_RET);
8664 mono_marshal_set_callconv_from_modopt (MonoMethod *method, MonoMethodSignature *csig)
8666 MonoMethodSignature *sig;
8671 * Under windows, delegates passed to native code must use the STDCALL
8672 * calling convention.
8674 csig->call_convention = MONO_CALL_STDCALL;
8677 sig = mono_method_signature (method);
8679 /* Change default calling convention if needed */
8680 /* Why is this a modopt ? */
8681 if (sig->ret && sig->ret->num_mods) {
8682 for (i = 0; i < sig->ret->num_mods; ++i) {
8683 MonoClass *cmod_class = mono_class_get (method->klass->image, sig->ret->modifiers [i].token);
8684 g_assert (cmod_class);
8685 if ((cmod_class->image == mono_defaults.corlib) && !strcmp (cmod_class->name_space, "System.Runtime.CompilerServices")) {
8686 if (!strcmp (cmod_class->name, "CallConvCdecl"))
8687 csig->call_convention = MONO_CALL_C;
8688 else if (!strcmp (cmod_class->name, "CallConvStdcall"))
8689 csig->call_convention = MONO_CALL_STDCALL;
8690 else if (!strcmp (cmod_class->name, "CallConvFastcall"))
8691 csig->call_convention = MONO_CALL_FASTCALL;
8692 else if (!strcmp (cmod_class->name, "CallConvThiscall"))
8693 csig->call_convention = MONO_CALL_THISCALL;
8700 * generates IL code to call managed methods from unmanaged code
8703 mono_marshal_get_managed_wrapper (MonoMethod *method, MonoClass *delegate_klass, uint32_t target_handle)
8705 static MonoClass *UnmanagedFunctionPointerAttribute;
8706 MonoMethodSignature *sig, *csig, *invoke_sig;
8707 MonoMethodBuilder *mb;
8708 MonoMethod *res, *invoke;
8709 MonoMarshalSpec **mspecs;
8710 MonoMethodPInvoke piinfo;
8713 EmitMarshalContext m;
8715 g_assert (method != NULL);
8716 g_assert (!mono_method_signature (method)->pinvoke);
8719 * FIXME: Should cache the method+delegate type pair, since the same method
8720 * could be called with different delegates, thus different marshalling
8723 cache = get_cache (&method->klass->image->managed_wrapper_cache, mono_aligned_addr_hash, NULL);
8724 if (!target_handle && (res = mono_marshal_find_in_cache (cache, method)))
8727 invoke = mono_get_delegate_invoke (delegate_klass);
8728 invoke_sig = mono_method_signature (invoke);
8730 mspecs = g_new0 (MonoMarshalSpec*, mono_method_signature (invoke)->param_count + 1);
8731 mono_method_get_marshal_info (invoke, mspecs);
8733 sig = mono_method_signature (method);
8735 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_NATIVE_TO_MANAGED);
8737 /*the target gchandle must be the first entry after size and the wrapper itself.*/
8738 mono_mb_add_data (mb, GUINT_TO_POINTER (target_handle));
8740 /* we copy the signature, so that we can modify it */
8742 /* Need to free this later */
8743 csig = mono_metadata_signature_dup (invoke_sig);
8745 csig = signature_dup (method->klass->image, invoke_sig);
8754 m.image = method->klass->image;
8756 mono_marshal_set_callconv_from_modopt (invoke, csig);
8758 /* Handle the UnmanagedFunctionPointerAttribute */
8759 if (!UnmanagedFunctionPointerAttribute)
8760 UnmanagedFunctionPointerAttribute = mono_class_from_name (mono_defaults.corlib, "System.Runtime.InteropServices", "UnmanagedFunctionPointerAttribute");
8762 /* The attribute is only available in Net 2.0 */
8763 if (UnmanagedFunctionPointerAttribute) {
8764 MonoCustomAttrInfo *cinfo;
8765 MonoCustomAttrEntry *attr;
8768 * The pinvoke attributes are stored in a real custom attribute. Obtain the
8769 * contents of the attribute without constructing it, as that might not be
8770 * possible when running in cross-compiling mode.
8772 cinfo = mono_custom_attrs_from_class (delegate_klass);
8775 for (i = 0; i < cinfo->num_attrs; ++i) {
8776 if (mono_class_has_parent (cinfo->attrs [i].ctor->klass, UnmanagedFunctionPointerAttribute)) {
8777 attr = &cinfo->attrs [i];
8783 MonoArray *typed_args, *named_args;
8784 CattrNamedArg *arginfo;
8788 MonoBoolean set_last_error = 0;
8789 MonoBoolean best_fit_mapping = 0;
8790 MonoBoolean throw_on_unmappable = 0;
8792 mono_reflection_create_custom_attr_data_args (mono_defaults.corlib, attr->ctor, attr->data, attr->data_size, &typed_args, &named_args, &arginfo);
8794 g_assert (mono_array_length (typed_args) == 1);
8797 o = mono_array_get (typed_args, MonoObject*, 0);
8798 call_conv = *(gint32*)mono_object_unbox (o);
8801 for (i = 0; i < mono_array_length (named_args); ++i) {
8802 CattrNamedArg *narg = &arginfo [i];
8804 o = mono_array_get (named_args, MonoObject*, i);
8806 g_assert (narg->field);
8807 if (!strcmp (narg->field->name, "CharSet")) {
8808 charset = *(gint32*)mono_object_unbox (o);
8809 } else if (!strcmp (narg->field->name, "SetLastError")) {
8810 set_last_error = *(MonoBoolean*)mono_object_unbox (o);
8811 } else if (!strcmp (narg->field->name, "BestFitMapping")) {
8812 best_fit_mapping = *(MonoBoolean*)mono_object_unbox (o);
8813 } else if (!strcmp (narg->field->name, "ThrowOnUnmappableChar")) {
8814 throw_on_unmappable = *(MonoBoolean*)mono_object_unbox (o);
8816 g_assert_not_reached ();
8822 memset (&piinfo, 0, sizeof (piinfo));
8824 piinfo.piflags = (call_conv << 8) | (charset ? (charset - 1) * 2 : 1) | set_last_error;
8826 csig->call_convention = call_conv - 1;
8829 if (cinfo && !cinfo->cached)
8830 mono_custom_attrs_free (cinfo);
8833 mono_marshal_emit_managed_wrapper (mb, invoke_sig, mspecs, &m, method, target_handle);
8836 res = mono_mb_create_and_cache (cache, method,
8837 mb, csig, sig->param_count + 16);
8840 res = mono_mb_create_method (mb, csig, sig->param_count + 16);
8844 for (i = mono_method_signature (invoke)->param_count; i >= 0; i--)
8846 mono_metadata_free_marshal_spec (mspecs [i]);
8849 /* code_for (res); */
8855 mono_marshal_get_vtfixup_ftnptr (MonoImage *image, guint32 token, guint16 type)
8858 MonoMethodSignature *sig;
8859 MonoMethodBuilder *mb;
8864 method = mono_get_method (image, token, NULL);
8867 if (type & (VTFIXUP_TYPE_FROM_UNMANAGED | VTFIXUP_TYPE_FROM_UNMANAGED_RETAIN_APPDOMAIN)) {
8868 MonoMethodSignature *csig;
8869 MonoMarshalSpec **mspecs;
8870 EmitMarshalContext m;
8872 sig = mono_method_signature (method);
8873 g_assert (!sig->hasthis);
8875 mspecs = g_new0 (MonoMarshalSpec*, sig->param_count + 1);
8876 mono_method_get_marshal_info (method, mspecs);
8878 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_NATIVE_TO_MANAGED);
8879 csig = signature_dup (image, sig);
8890 mono_marshal_set_callconv_from_modopt (method, csig);
8892 /* FIXME: Implement VTFIXUP_TYPE_FROM_UNMANAGED_RETAIN_APPDOMAIN. */
8894 mono_marshal_emit_managed_wrapper (mb, sig, mspecs, &m, method, 0);
8897 method = mono_mb_create_method (mb, csig, sig->param_count + 16);
8900 for (i = sig->param_count; i >= 0; i--)
8902 mono_metadata_free_marshal_spec (mspecs [i]);
8905 return mono_compile_method (method);
8908 sig = mono_method_signature (method);
8909 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_MANAGED_TO_MANAGED);
8911 param_count = sig->param_count + sig->hasthis;
8912 for (i = 0; i < param_count; i++)
8913 mono_mb_emit_ldarg (mb, i);
8915 if (type & VTFIXUP_TYPE_CALL_MOST_DERIVED)
8916 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
8918 mono_mb_emit_op (mb, CEE_CALL, method);
8919 mono_mb_emit_byte (mb, CEE_RET);
8922 method = mono_mb_create_method (mb, sig, param_count);
8925 return mono_compile_method (method);
8928 static MonoReflectionType *
8929 type_from_handle (MonoType *handle)
8931 MonoDomain *domain = mono_domain_get ();
8932 MonoClass *klass = mono_class_from_mono_type (handle);
8934 MONO_ARCH_SAVE_REGS;
8936 mono_class_init (klass);
8937 return mono_type_get_object (domain, handle);
8941 * This does the equivalent of mono_object_castclass_with_cache.
8944 mono_marshal_get_castclass_with_cache (void)
8946 static MonoMethod *cached;
8948 MonoMethodBuilder *mb;
8949 MonoMethodSignature *sig;
8950 int return_null_pos, cache_miss_pos, invalid_cast_pos;
8955 mb = mono_mb_new (mono_defaults.object_class, "__castclass_with_cache", MONO_WRAPPER_CASTCLASS);
8956 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
8957 sig->params [0] = &mono_defaults.object_class->byval_arg;
8958 sig->params [1] = &mono_defaults.int_class->byval_arg;
8959 sig->params [2] = &mono_defaults.int_class->byval_arg;
8960 sig->ret = &mono_defaults.object_class->byval_arg;
8963 /* allocate local 0 (pointer) obj_vtable */
8964 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8967 mono_mb_emit_ldarg (mb, 0);
8968 return_null_pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
8970 /*obj_vtable = obj->vtable;*/
8971 mono_mb_emit_ldarg (mb, 0);
8972 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
8973 mono_mb_emit_byte (mb, CEE_LDIND_I);
8974 mono_mb_emit_stloc (mb, 0);
8977 mono_mb_emit_ldarg (mb, 2);
8978 mono_mb_emit_byte (mb, CEE_LDIND_I);
8979 mono_mb_emit_ldloc (mb, 0);
8981 /*if (*cache == obj_vtable)*/
8982 cache_miss_pos = mono_mb_emit_branch (mb, CEE_BNE_UN);
8985 mono_mb_emit_ldarg (mb, 0);
8986 mono_mb_emit_byte (mb, CEE_RET);
8988 mono_mb_patch_branch (mb, cache_miss_pos);
8989 /*if (mono_object_isinst (obj, klass)) */
8990 mono_mb_emit_ldarg (mb, 0);
8991 mono_mb_emit_ldarg (mb, 1);
8992 mono_mb_emit_icall (mb, mono_object_isinst);
8993 invalid_cast_pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
8995 /**cache = obj_vtable;*/
8996 mono_mb_emit_ldarg (mb, 2);
8997 mono_mb_emit_ldloc (mb, 0);
8998 mono_mb_emit_byte (mb, CEE_STIND_I);
9001 mono_mb_emit_ldarg (mb, 0);
9002 mono_mb_emit_byte (mb, CEE_RET);
9005 mono_mb_patch_branch (mb, invalid_cast_pos);
9006 mono_mb_emit_exception (mb, "InvalidCastException", NULL);
9009 mono_mb_patch_branch (mb, return_null_pos);
9010 mono_mb_emit_byte (mb, CEE_LDNULL);
9011 mono_mb_emit_byte (mb, CEE_RET);
9013 res = mono_mb_create_method (mb, sig, 8);
9014 if (InterlockedCompareExchangePointer ((volatile gpointer *)&cached, res, NULL)) {
9015 mono_free_method (res);
9016 mono_metadata_free_method_signature (sig);
9024 * This does the equivalent of mono_object_isinst_with_cache.
9027 mono_marshal_get_isinst_with_cache (void)
9029 static MonoMethod *cached;
9031 MonoMethodBuilder *mb;
9032 MonoMethodSignature *sig;
9033 int return_null_pos, cache_miss_pos, cache_hit_pos, not_an_instance_pos, negative_cache_hit_pos;
9038 mb = mono_mb_new (mono_defaults.object_class, "__isisnt_with_cache", MONO_WRAPPER_CASTCLASS);
9039 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
9040 sig->params [0] = &mono_defaults.object_class->byval_arg;
9041 sig->params [1] = &mono_defaults.int_class->byval_arg;
9042 sig->params [2] = &mono_defaults.int_class->byval_arg;
9043 sig->ret = &mono_defaults.object_class->byval_arg;
9046 /* allocate local 0 (pointer) obj_vtable */
9047 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9048 /* allocate local 1 (pointer) cached_vtable */
9049 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9052 mono_mb_emit_ldarg (mb, 0);
9053 return_null_pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
9055 /*obj_vtable = obj->vtable;*/
9056 mono_mb_emit_ldarg (mb, 0);
9057 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
9058 mono_mb_emit_byte (mb, CEE_LDIND_I);
9059 mono_mb_emit_stloc (mb, 0);
9061 /* cached_vtable = *cache*/
9062 mono_mb_emit_ldarg (mb, 2);
9063 mono_mb_emit_byte (mb, CEE_LDIND_I);
9064 mono_mb_emit_stloc (mb, 1);
9066 mono_mb_emit_ldloc (mb, 1);
9067 mono_mb_emit_byte (mb, CEE_LDC_I4);
9068 mono_mb_emit_i4 (mb, ~0x1);
9069 mono_mb_emit_byte (mb, CEE_CONV_U);
9070 mono_mb_emit_byte (mb, CEE_AND);
9071 mono_mb_emit_ldloc (mb, 0);
9072 /*if ((cached_vtable & ~0x1)== obj_vtable)*/
9073 cache_miss_pos = mono_mb_emit_branch (mb, CEE_BNE_UN);
9075 /*return (cached_vtable & 0x1) ? NULL : obj;*/
9076 mono_mb_emit_ldloc (mb, 1);
9077 mono_mb_emit_byte(mb, CEE_LDC_I4_1);
9078 mono_mb_emit_byte (mb, CEE_CONV_U);
9079 mono_mb_emit_byte (mb, CEE_AND);
9080 negative_cache_hit_pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
9083 mono_mb_emit_ldarg (mb, 0);
9084 cache_hit_pos = mono_mb_emit_branch (mb, CEE_BR);
9087 mono_mb_patch_branch (mb, negative_cache_hit_pos);
9088 mono_mb_emit_byte (mb, CEE_LDNULL);
9090 mono_mb_patch_branch (mb, cache_hit_pos);
9091 mono_mb_emit_byte (mb, CEE_RET);
9093 mono_mb_patch_branch (mb, cache_miss_pos);
9094 /*if (mono_object_isinst (obj, klass)) */
9095 mono_mb_emit_ldarg (mb, 0);
9096 mono_mb_emit_ldarg (mb, 1);
9097 mono_mb_emit_icall (mb, mono_object_isinst);
9098 not_an_instance_pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
9100 /**cache = obj_vtable;*/
9101 mono_mb_emit_ldarg (mb, 2);
9102 mono_mb_emit_ldloc (mb, 0);
9103 mono_mb_emit_byte (mb, CEE_STIND_I);
9106 mono_mb_emit_ldarg (mb, 0);
9107 mono_mb_emit_byte (mb, CEE_RET);
9110 mono_mb_patch_branch (mb, not_an_instance_pos);
9111 /* *cache = (gpointer)(obj_vtable | 0x1);*/
9112 mono_mb_emit_ldarg (mb, 2);
9113 /*obj_vtable | 0x1*/
9114 mono_mb_emit_ldloc (mb, 0);
9115 mono_mb_emit_byte(mb, CEE_LDC_I4_1);
9116 mono_mb_emit_byte (mb, CEE_CONV_U);
9117 mono_mb_emit_byte (mb, CEE_OR);
9120 mono_mb_emit_byte (mb, CEE_STIND_I);
9123 mono_mb_patch_branch (mb, return_null_pos);
9124 mono_mb_emit_byte (mb, CEE_LDNULL);
9125 mono_mb_emit_byte (mb, CEE_RET);
9127 res = mono_mb_create_method (mb, sig, 8);
9128 if (InterlockedCompareExchangePointer ((volatile gpointer *)&cached, res, NULL)) {
9129 mono_free_method (res);
9130 mono_metadata_free_method_signature (sig);
9138 * mono_marshal_get_isinst:
9139 * @klass: the type of the field
9141 * This method generates a function which can be used to check if an object is
9142 * an instance of the given type, icluding the case where the object is a proxy.
9143 * The generated function has the following signature:
9144 * MonoObject* __isinst_wrapper_ (MonoObject *obj)
9147 mono_marshal_get_isinst (MonoClass *klass)
9149 static MonoMethodSignature *isint_sig = NULL;
9152 int pos_was_ok, pos_failed, pos_end, pos_end2;
9154 MonoMethodBuilder *mb;
9156 cache = get_cache (&klass->image->isinst_cache, mono_aligned_addr_hash, NULL);
9157 if ((res = mono_marshal_find_in_cache (cache, klass)))
9161 isint_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
9162 isint_sig->params [0] = &mono_defaults.object_class->byval_arg;
9163 isint_sig->ret = &mono_defaults.object_class->byval_arg;
9164 isint_sig->pinvoke = 0;
9167 name = g_strdup_printf ("__isinst_wrapper_%s", klass->name);
9168 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_ISINST);
9171 mb->method->save_lmf = 1;
9173 /* check if the object is a proxy that needs special cast */
9174 mono_mb_emit_ldarg (mb, 0);
9175 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
9176 mono_mb_emit_op (mb, CEE_MONO_CISINST, klass);
9178 /* The result of MONO_ISINST can be:
9179 0) the type check succeeded
9180 1) the type check did not succeed
9181 2) a CanCastTo call is needed */
9183 mono_mb_emit_byte (mb, CEE_DUP);
9184 pos_was_ok = mono_mb_emit_branch (mb, CEE_BRFALSE);
9186 mono_mb_emit_byte (mb, CEE_LDC_I4_2);
9187 pos_failed = mono_mb_emit_branch (mb, CEE_BNE_UN);
9189 /* get the real proxy from the transparent proxy*/
9191 mono_mb_emit_ldarg (mb, 0);
9192 mono_mb_emit_managed_call (mb, mono_marshal_get_proxy_cancast (klass), NULL);
9193 pos_end = mono_mb_emit_branch (mb, CEE_BR);
9197 mono_mb_patch_branch (mb, pos_failed);
9198 mono_mb_emit_byte (mb, CEE_LDNULL);
9199 pos_end2 = mono_mb_emit_branch (mb, CEE_BR);
9203 mono_mb_patch_branch (mb, pos_was_ok);
9204 mono_mb_emit_byte (mb, CEE_POP);
9205 mono_mb_emit_ldarg (mb, 0);
9209 mono_mb_patch_branch (mb, pos_end);
9210 mono_mb_patch_branch (mb, pos_end2);
9211 mono_mb_emit_byte (mb, CEE_RET);
9213 res = mono_mb_create_and_cache (cache, klass, mb, isint_sig, isint_sig->param_count + 16);
9220 * mono_marshal_get_castclass:
9221 * @klass: the type of the field
9223 * This method generates a function which can be used to cast an object to
9224 * an instance of the given type, icluding the case where the object is a proxy.
9225 * The generated function has the following signature:
9226 * MonoObject* __castclass_wrapper_ (MonoObject *obj)
9229 mono_marshal_get_castclass (MonoClass *klass)
9231 static MonoMethodSignature *castclass_sig = NULL;
9234 int pos_was_ok, pos_was_ok2;
9236 MonoMethodBuilder *mb;
9238 cache = get_cache (&klass->image->castclass_cache, mono_aligned_addr_hash, NULL);
9239 if ((res = mono_marshal_find_in_cache (cache, klass)))
9242 if (!castclass_sig) {
9243 castclass_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
9244 castclass_sig->params [0] = &mono_defaults.object_class->byval_arg;
9245 castclass_sig->ret = &mono_defaults.object_class->byval_arg;
9246 castclass_sig->pinvoke = 0;
9249 name = g_strdup_printf ("__castclass_wrapper_%s", klass->name);
9250 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_CASTCLASS);
9253 mb->method->save_lmf = 1;
9255 /* check if the object is a proxy that needs special cast */
9256 mono_mb_emit_ldarg (mb, 0);
9257 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
9258 mono_mb_emit_op (mb, CEE_MONO_CCASTCLASS, klass);
9260 /* The result of MONO_ISINST can be:
9261 0) the cast is valid
9262 1) cast of unknown proxy type
9263 or an exception if the cast is is invalid
9266 pos_was_ok = mono_mb_emit_branch (mb, CEE_BRFALSE);
9268 /* get the real proxy from the transparent proxy*/
9270 mono_mb_emit_ldarg (mb, 0);
9271 mono_mb_emit_managed_call (mb, mono_marshal_get_proxy_cancast (klass), NULL);
9272 pos_was_ok2 = mono_mb_emit_branch (mb, CEE_BRTRUE);
9275 mono_mb_emit_exception (mb, "InvalidCastException", NULL);
9278 mono_mb_patch_branch (mb, pos_was_ok);
9279 mono_mb_patch_branch (mb, pos_was_ok2);
9280 mono_mb_emit_ldarg (mb, 0);
9283 mono_mb_emit_byte (mb, CEE_RET);
9285 res = mono_mb_create_and_cache (cache, klass, mb, castclass_sig, castclass_sig->param_count + 16);
9292 mono_marshal_get_proxy_cancast (MonoClass *klass)
9294 static MonoMethodSignature *isint_sig = NULL;
9297 int pos_failed, pos_end;
9299 MonoMethod *can_cast_to;
9300 MonoMethodDesc *desc;
9301 MonoMethodBuilder *mb;
9303 cache = get_cache (&klass->image->proxy_isinst_cache, mono_aligned_addr_hash, NULL);
9304 if ((res = mono_marshal_find_in_cache (cache, klass)))
9308 isint_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
9309 isint_sig->params [0] = &mono_defaults.object_class->byval_arg;
9310 isint_sig->ret = &mono_defaults.object_class->byval_arg;
9311 isint_sig->pinvoke = 0;
9314 name = g_strdup_printf ("__proxy_isinst_wrapper_%s", klass->name);
9315 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_PROXY_ISINST);
9318 mb->method->save_lmf = 1;
9320 /* get the real proxy from the transparent proxy*/
9321 mono_mb_emit_ldarg (mb, 0);
9322 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
9323 mono_mb_emit_byte (mb, CEE_LDIND_REF);
9325 /* get the reflection type from the type handle */
9326 mono_mb_emit_ptr (mb, &klass->byval_arg);
9327 mono_mb_emit_icall (mb, type_from_handle);
9329 mono_mb_emit_ldarg (mb, 0);
9331 /* make the call to CanCastTo (type, ob) */
9332 desc = mono_method_desc_new ("IRemotingTypeInfo:CanCastTo", FALSE);
9333 can_cast_to = mono_method_desc_search_in_class (desc, mono_defaults.iremotingtypeinfo_class);
9334 g_assert (can_cast_to);
9335 mono_method_desc_free (desc);
9336 mono_mb_emit_op (mb, CEE_CALLVIRT, can_cast_to);
9338 pos_failed = mono_mb_emit_branch (mb, CEE_BRFALSE);
9340 /* Upgrade the proxy vtable by calling: mono_upgrade_remote_class_wrapper (type, ob)*/
9341 mono_mb_emit_ptr (mb, &klass->byval_arg);
9342 mono_mb_emit_icall (mb, type_from_handle);
9343 mono_mb_emit_ldarg (mb, 0);
9345 mono_mb_emit_icall (mb, mono_upgrade_remote_class_wrapper);
9346 emit_thread_interrupt_checkpoint (mb);
9348 mono_mb_emit_ldarg (mb, 0);
9349 pos_end = mono_mb_emit_branch (mb, CEE_BR);
9353 mono_mb_patch_branch (mb, pos_failed);
9354 mono_mb_emit_byte (mb, CEE_LDNULL);
9358 mono_mb_patch_branch (mb, pos_end);
9359 mono_mb_emit_byte (mb, CEE_RET);
9361 res = mono_mb_create_and_cache (cache, klass, mb, isint_sig, isint_sig->param_count + 16);
9368 mono_upgrade_remote_class_wrapper (MonoReflectionType *rtype, MonoTransparentProxy *tproxy)
9371 MonoDomain *domain = ((MonoObject*)tproxy)->vtable->domain;
9372 klass = mono_class_from_mono_type (rtype->type);
9373 mono_upgrade_remote_class (domain, (MonoObject*)tproxy, klass);
9377 * mono_marshal_get_struct_to_ptr:
9380 * generates IL code for StructureToPtr (object structure, IntPtr ptr, bool fDeleteOld)
9383 mono_marshal_get_struct_to_ptr (MonoClass *klass)
9385 MonoMethodBuilder *mb;
9386 static MonoMethod *stoptr = NULL;
9389 g_assert (klass != NULL);
9391 mono_marshal_load_type_info (klass);
9393 if (klass->marshal_info->str_to_ptr)
9394 return klass->marshal_info->str_to_ptr;
9397 stoptr = mono_class_get_method_from_name (mono_defaults.marshal_class, "StructureToPtr", 3);
9400 mb = mono_mb_new (klass, stoptr->name, MONO_WRAPPER_UNKNOWN);
9402 if (klass->blittable) {
9403 mono_mb_emit_byte (mb, CEE_LDARG_1);
9404 mono_mb_emit_byte (mb, CEE_LDARG_0);
9405 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
9406 mono_mb_emit_icon (mb, mono_class_value_size (klass, NULL));
9407 mono_mb_emit_byte (mb, CEE_PREFIX1);
9408 mono_mb_emit_byte (mb, CEE_CPBLK);
9411 /* allocate local 0 (pointer) src_ptr */
9412 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9413 /* allocate local 1 (pointer) dst_ptr */
9414 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9415 /* allocate local 2 (boolean) delete_old */
9416 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
9417 mono_mb_emit_byte (mb, CEE_LDARG_2);
9418 mono_mb_emit_stloc (mb, 2);
9420 /* initialize src_ptr to point to the start of object data */
9421 mono_mb_emit_byte (mb, CEE_LDARG_0);
9422 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
9423 mono_mb_emit_stloc (mb, 0);
9425 /* initialize dst_ptr */
9426 mono_mb_emit_byte (mb, CEE_LDARG_1);
9427 mono_mb_emit_stloc (mb, 1);
9429 emit_struct_conv (mb, klass, FALSE);
9432 mono_mb_emit_byte (mb, CEE_RET);
9434 res = mono_mb_create_method (mb, mono_signature_no_pinvoke (stoptr), 0);
9437 klass->marshal_info->str_to_ptr = res;
9442 * mono_marshal_get_ptr_to_struct:
9445 * generates IL code for PtrToStructure (IntPtr src, object structure)
9448 mono_marshal_get_ptr_to_struct (MonoClass *klass)
9450 MonoMethodBuilder *mb;
9451 static MonoMethodSignature *ptostr = NULL;
9454 g_assert (klass != NULL);
9456 mono_marshal_load_type_info (klass);
9458 if (klass->marshal_info->ptr_to_str)
9459 return klass->marshal_info->ptr_to_str;
9462 MonoMethodSignature *sig;
9464 /* Create the signature corresponding to
9465 static void PtrToStructure (IntPtr ptr, object structure);
9466 defined in class/corlib/System.Runtime.InteropServices/Marshal.cs */
9467 sig = mono_create_icall_signature ("void ptr object");
9468 sig = signature_dup (mono_defaults.corlib, sig);
9470 mono_memory_barrier ();
9474 mb = mono_mb_new (klass, "PtrToStructure", MONO_WRAPPER_UNKNOWN);
9476 if (klass->blittable) {
9477 mono_mb_emit_byte (mb, CEE_LDARG_1);
9478 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
9479 mono_mb_emit_byte (mb, CEE_LDARG_0);
9480 mono_mb_emit_icon (mb, mono_class_value_size (klass, NULL));
9481 mono_mb_emit_byte (mb, CEE_PREFIX1);
9482 mono_mb_emit_byte (mb, CEE_CPBLK);
9485 /* allocate local 0 (pointer) src_ptr */
9486 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9487 /* allocate local 1 (pointer) dst_ptr */
9488 mono_mb_add_local (mb, &klass->this_arg);
9490 /* initialize src_ptr to point to the start of object data */
9491 mono_mb_emit_byte (mb, CEE_LDARG_0);
9492 mono_mb_emit_stloc (mb, 0);
9494 /* initialize dst_ptr */
9495 mono_mb_emit_byte (mb, CEE_LDARG_1);
9496 mono_mb_emit_op (mb, CEE_UNBOX, klass);
9497 mono_mb_emit_stloc (mb, 1);
9499 emit_struct_conv (mb, klass, TRUE);
9502 mono_mb_emit_byte (mb, CEE_RET);
9504 res = mono_mb_create_method (mb, ptostr, 0);
9507 klass->marshal_info->ptr_to_str = res;
9512 * generates IL code for the synchronized wrapper: the generated method
9513 * calls METHOD while locking 'this' or the parent type.
9516 mono_marshal_get_synchronized_wrapper (MonoMethod *method)
9518 static MonoMethod *enter_method, *exit_method, *gettypefromhandle_method;
9519 MonoMethodSignature *sig;
9520 MonoExceptionClause *clause;
9521 MonoMethodBuilder *mb;
9524 int i, pos, this_local, ret_local = 0;
9528 if (method->wrapper_type == MONO_WRAPPER_SYNCHRONIZED)
9531 cache = get_cache (&method->klass->image->synchronized_cache, mono_aligned_addr_hash, NULL);
9532 if ((res = mono_marshal_find_in_cache (cache, method)))
9535 sig = signature_dup (method->klass->image, mono_method_signature (method));
9538 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_SYNCHRONIZED);
9541 if (!MONO_TYPE_IS_VOID (sig->ret))
9542 ret_local = mono_mb_add_local (mb, sig->ret);
9544 if (method->klass->valuetype && !(method->flags & MONO_METHOD_ATTR_STATIC)) {
9545 mono_class_set_failure (method->klass, MONO_EXCEPTION_TYPE_LOAD, NULL);
9546 /* This will throw the type load exception when the wrapper is compiled */
9547 mono_mb_emit_byte (mb, CEE_LDNULL);
9548 mono_mb_emit_op (mb, CEE_ISINST, method->klass);
9549 mono_mb_emit_byte (mb, CEE_POP);
9551 if (!MONO_TYPE_IS_VOID (sig->ret))
9552 mono_mb_emit_ldloc (mb, ret_local);
9553 mono_mb_emit_byte (mb, CEE_RET);
9555 res = mono_mb_create_and_cache (cache, method,
9556 mb, sig, sig->param_count + 16);
9563 this_local = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
9565 clause = mono_image_alloc0 (method->klass->image, sizeof (MonoExceptionClause));
9566 clause->flags = MONO_EXCEPTION_CLAUSE_FINALLY;
9568 mono_loader_lock ();
9570 if (!enter_method) {
9571 MonoMethodDesc *desc;
9573 desc = mono_method_desc_new ("Monitor:Enter", FALSE);
9574 enter_method = mono_method_desc_search_in_class (desc, mono_defaults.monitor_class);
9575 g_assert (enter_method);
9576 mono_method_desc_free (desc);
9578 desc = mono_method_desc_new ("Monitor:Exit", FALSE);
9579 exit_method = mono_method_desc_search_in_class (desc, mono_defaults.monitor_class);
9580 g_assert (exit_method);
9581 mono_method_desc_free (desc);
9583 desc = mono_method_desc_new ("Type:GetTypeFromHandle", FALSE);
9584 gettypefromhandle_method = mono_method_desc_search_in_class (desc, mono_defaults.monotype_class->parent);
9585 g_assert (gettypefromhandle_method);
9586 mono_method_desc_free (desc);
9589 mono_loader_unlock ();
9591 /* Push this or the type object */
9592 if (method->flags & METHOD_ATTRIBUTE_STATIC) {
9593 /* We have special handling for this in the JIT */
9594 int index = mono_mb_add_data (mb, method->klass);
9595 mono_mb_add_data (mb, mono_defaults.typehandle_class);
9596 mono_mb_emit_byte (mb, CEE_LDTOKEN);
9597 mono_mb_emit_i4 (mb, index);
9599 mono_mb_emit_managed_call (mb, gettypefromhandle_method, NULL);
9602 mono_mb_emit_ldarg (mb, 0);
9603 mono_mb_emit_stloc (mb, this_local);
9605 /* Call Monitor::Enter() */
9606 mono_mb_emit_ldloc (mb, this_local);
9607 mono_mb_emit_managed_call (mb, enter_method, NULL);
9609 clause->try_offset = mono_mb_get_label (mb);
9611 /* Call the method */
9613 mono_mb_emit_ldarg (mb, 0);
9614 for (i = 0; i < sig->param_count; i++)
9615 mono_mb_emit_ldarg (mb, i + (sig->hasthis == TRUE));
9617 mono_mb_emit_managed_call (mb, method, NULL);
9619 if (!MONO_TYPE_IS_VOID (sig->ret))
9620 mono_mb_emit_stloc (mb, ret_local);
9622 pos = mono_mb_emit_branch (mb, CEE_LEAVE);
9624 clause->try_len = mono_mb_get_pos (mb) - clause->try_offset;
9625 clause->handler_offset = mono_mb_get_label (mb);
9627 /* Call Monitor::Exit() */
9628 mono_mb_emit_ldloc (mb, this_local);
9629 mono_mb_emit_managed_call (mb, exit_method, NULL);
9630 mono_mb_emit_byte (mb, CEE_ENDFINALLY);
9632 clause->handler_len = mono_mb_get_pos (mb) - clause->handler_offset;
9634 mono_mb_patch_branch (mb, pos);
9635 if (!MONO_TYPE_IS_VOID (sig->ret))
9636 mono_mb_emit_ldloc (mb, ret_local);
9637 mono_mb_emit_byte (mb, CEE_RET);
9639 mono_mb_set_clauses (mb, 1, clause);
9641 res = mono_mb_create_and_cache (cache, method,
9642 mb, sig, sig->param_count + 16);
9650 * the returned method calls 'method' unboxing the this argument
9653 mono_marshal_get_unbox_wrapper (MonoMethod *method)
9655 MonoMethodSignature *sig = mono_method_signature (method);
9657 MonoMethodBuilder *mb;
9661 cache = get_cache (&method->klass->image->unbox_wrapper_cache, mono_aligned_addr_hash, NULL);
9662 if ((res = mono_marshal_find_in_cache (cache, method)))
9665 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_UNBOX);
9667 g_assert (sig->hasthis);
9669 mono_mb_emit_ldarg (mb, 0);
9670 mono_mb_emit_icon (mb, sizeof (MonoObject));
9671 mono_mb_emit_byte (mb, CEE_ADD);
9672 for (i = 0; i < sig->param_count; ++i)
9673 mono_mb_emit_ldarg (mb, i + 1);
9674 mono_mb_emit_managed_call (mb, method, NULL);
9675 mono_mb_emit_byte (mb, CEE_RET);
9677 res = mono_mb_create_and_cache (cache, method,
9678 mb, sig, sig->param_count + 16);
9681 /* code_for (res); */
9687 STELEMREF_OBJECT, /*no check at all*/
9688 STELEMREF_SEALED_CLASS, /*check vtable->klass->element_type */
9689 STELEMREF_CLASS, /*only the klass->parents check*/
9690 STELEMREF_INTERFACE, /*interfaces without variant generic arguments. */
9691 STELEMREF_COMPLEX, /*arrays, MBR or types with variant generic args - go straight to icalls*/
9692 STELEMREF_KIND_COUNT
9695 static const char *strelemref_wrapper_name[] = {
9696 "object", "sealed_class", "class", "interface", "complex"
9700 is_monomorphic_array (MonoClass *klass)
9702 MonoClass *element_class;
9703 if (klass->rank != 1)
9706 element_class = klass->element_class;
9707 return (element_class->flags & TYPE_ATTRIBUTE_SEALED) || element_class->valuetype;
9711 get_virtual_stelemref_kind (MonoClass *element_class)
9713 if (element_class == mono_defaults.object_class)
9714 return STELEMREF_OBJECT;
9715 if (is_monomorphic_array (element_class))
9716 return STELEMREF_SEALED_CLASS;
9717 if (MONO_CLASS_IS_INTERFACE (element_class) && !mono_class_has_variant_generic_params (element_class))
9718 return STELEMREF_INTERFACE;
9719 /*Arrays are sealed but are covariant on their element type, We can't use any of the fast paths.*/
9720 if (element_class->marshalbyref || element_class->rank || mono_class_has_variant_generic_params (element_class))
9721 return STELEMREF_COMPLEX;
9722 if (element_class->flags & TYPE_ATTRIBUTE_SEALED)
9723 return STELEMREF_SEALED_CLASS;
9724 return STELEMREF_CLASS;
9728 load_array_element_address (MonoMethodBuilder *mb)
9730 mono_mb_emit_ldarg (mb, 0);
9731 mono_mb_emit_ldarg (mb, 1);
9732 mono_mb_emit_op (mb, CEE_LDELEMA, mono_defaults.object_class);
9736 load_array_class (MonoMethodBuilder *mb, int aklass)
9738 mono_mb_emit_ldarg (mb, 0);
9739 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
9740 mono_mb_emit_byte (mb, CEE_LDIND_I);
9741 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, klass));
9742 mono_mb_emit_byte (mb, CEE_LDIND_I);
9743 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, element_class));
9744 mono_mb_emit_byte (mb, CEE_LDIND_I);
9745 mono_mb_emit_stloc (mb, aklass);
9749 load_value_class (MonoMethodBuilder *mb, int vklass)
9751 mono_mb_emit_ldarg (mb, 2);
9752 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
9753 mono_mb_emit_byte (mb, CEE_LDIND_I);
9754 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, klass));
9755 mono_mb_emit_byte (mb, CEE_LDIND_I);
9756 mono_mb_emit_stloc (mb, vklass);
9761 record_slot_vstore (MonoObject *array, size_t index, MonoObject *value)
9763 char *name = mono_type_get_full_name (array->vtable->klass->element_class);
9764 printf ("slow vstore of %s\n", name);
9770 * The wrapper info for the wrapper contains the wrapper 'kind' + 1.
9773 * - Separate simple interfaces from variant interfaces or mbr types. This way we can avoid the icall for them.
9774 * - Emit a (new) mono bytecode that produces OP_COND_EXC_NE_UN to raise ArrayTypeMismatch
9775 * - Maybe mve some MonoClass field into the vtable to reduce the number of loads
9776 * - Add a case for arrays of arrays.
9779 mono_marshal_get_virtual_stelemref (MonoClass *array_class)
9781 static MonoMethod *cached_methods [STELEMREF_KIND_COUNT] = { NULL }; /*object iface sealed regular*/
9782 static MonoMethodSignature *signature;
9783 MonoMethodBuilder *mb;
9789 int aklass, vklass, vtable, uiid;
9790 int array_slot_addr;
9792 g_assert (array_class->rank == 1);
9793 kind = get_virtual_stelemref_kind (array_class->element_class);
9795 if (cached_methods [kind])
9796 return cached_methods [kind];
9798 name = g_strdup_printf ("virt_stelemref_%s", strelemref_wrapper_name [kind]);
9799 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_STELEMREF);
9803 MonoMethodSignature *sig = mono_metadata_signature_alloc (mono_defaults.corlib, 2);
9805 /* void this::stelemref (size_t idx, void* value) */
9806 sig->ret = &mono_defaults.void_class->byval_arg;
9807 sig->hasthis = TRUE;
9808 sig->params [0] = &mono_defaults.int_class->byval_arg; /* this is a natural sized int */
9809 sig->params [1] = &mono_defaults.object_class->byval_arg;
9813 /*For now simply call plain old stelemref*/
9815 case STELEMREF_OBJECT:
9816 /* ldelema (implicit bound check) */
9817 load_array_element_address (mb);
9819 mono_mb_emit_ldarg (mb, 2);
9820 mono_mb_emit_byte (mb, CEE_STIND_REF);
9821 mono_mb_emit_byte (mb, CEE_RET);
9824 case STELEMREF_COMPLEX:
9826 <ldelema (bound check)>
9829 if (!mono_object_isinst (value, aklass))
9833 *array_slot_addr = value;
9836 throw new ArrayTypeMismatchException ();
9839 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9840 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
9844 /*Use this to debug/record stores that are going thru the slow path*/
9845 MonoMethodSignature *csig;
9846 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
9847 csig->ret = &mono_defaults.void_class->byval_arg;
9848 csig->params [0] = &mono_defaults.object_class->byval_arg;
9849 csig->params [1] = &mono_defaults.int_class->byval_arg; /* this is a natural sized int */
9850 csig->params [2] = &mono_defaults.object_class->byval_arg;
9851 mono_mb_emit_ldarg (mb, 0);
9852 mono_mb_emit_ldarg (mb, 1);
9853 mono_mb_emit_ldarg (mb, 2);
9854 mono_mb_emit_native_call (mb, csig, record_slot_vstore);
9858 /* ldelema (implicit bound check) */
9859 load_array_element_address (mb);
9860 mono_mb_emit_stloc (mb, array_slot_addr);
9862 /* if (!value) goto do_store */
9863 mono_mb_emit_ldarg (mb, 2);
9864 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
9866 /* aklass = array->vtable->klass->element_class */
9867 load_array_class (mb, aklass);
9869 /*if (mono_object_isinst (value, aklass)) */
9870 mono_mb_emit_ldarg (mb, 2);
9871 mono_mb_emit_ldloc (mb, aklass);
9872 mono_mb_emit_icall (mb, mono_object_isinst);
9873 b2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
9876 mono_mb_patch_branch (mb, b1);
9877 mono_mb_emit_ldloc (mb, array_slot_addr);
9878 mono_mb_emit_ldarg (mb, 2);
9879 mono_mb_emit_byte (mb, CEE_STIND_REF);
9880 mono_mb_emit_byte (mb, CEE_RET);
9883 mono_mb_patch_branch (mb, b2);
9885 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
9888 case STELEMREF_SEALED_CLASS:
9890 <ldelema (bound check)>
9894 aklass = array->vtable->klass->element_class;
9895 vklass = value->vtable->klass;
9897 if (vklass != aklass)
9901 *array_slot_addr = value;
9904 throw new ArrayTypeMismatchException ();
9906 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9907 vklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9908 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
9911 /* ldelema (implicit bound check) */
9912 load_array_element_address (mb);
9913 mono_mb_emit_stloc (mb, array_slot_addr);
9915 /* if (!value) goto do_store */
9916 mono_mb_emit_ldarg (mb, 2);
9917 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
9919 /* aklass = array->vtable->klass->element_class */
9920 load_array_class (mb, aklass);
9922 /* vklass = value->vtable->klass */
9923 load_value_class (mb, vklass);
9925 /*if (vklass != aklass) goto do_exception; */
9926 mono_mb_emit_ldloc (mb, aklass);
9927 mono_mb_emit_ldloc (mb, vklass);
9928 b2 = mono_mb_emit_branch (mb, CEE_BNE_UN);
9931 mono_mb_patch_branch (mb, b1);
9932 mono_mb_emit_ldloc (mb, array_slot_addr);
9933 mono_mb_emit_ldarg (mb, 2);
9934 mono_mb_emit_byte (mb, CEE_STIND_REF);
9935 mono_mb_emit_byte (mb, CEE_RET);
9938 mono_mb_patch_branch (mb, b2);
9939 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
9942 case STELEMREF_CLASS:
9945 <ldelema (bound check)>
9949 aklass = array->vtable->klass->element_class;
9950 vklass = value->vtable->klass;
9952 if (vklass->idepth < aklass->idepth)
9955 if (vklass->supertypes [aklass->idepth - 1] != aklass)
9959 *array_slot_addr = value;
9963 throw new ArrayTypeMismatchException ();
9965 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9966 vklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9967 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
9969 /* ldelema (implicit bound check) */
9970 load_array_element_address (mb);
9971 mono_mb_emit_stloc (mb, array_slot_addr);
9973 /* if (!value) goto do_store */
9974 mono_mb_emit_ldarg (mb, 2);
9975 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
9977 /* aklass = array->vtable->klass->element_class */
9978 load_array_class (mb, aklass);
9980 /* vklass = value->vtable->klass */
9981 load_value_class (mb, vklass);
9983 /*if (mono_object_isinst (value, aklass)) */
9984 mono_mb_emit_ldarg (mb, 2);
9985 mono_mb_emit_ldloc (mb, aklass);
9986 mono_mb_emit_icall (mb, mono_object_isinst);
9987 b2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
9989 /* if (vklass->idepth < aklass->idepth) goto failue */
9990 mono_mb_emit_ldloc (mb, vklass);
9991 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
9992 mono_mb_emit_byte (mb, CEE_LDIND_U2);
9994 mono_mb_emit_ldloc (mb, aklass);
9995 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
9996 mono_mb_emit_byte (mb, CEE_LDIND_U2);
9998 b2 = mono_mb_emit_branch (mb, CEE_BLT_UN);
10000 /* if (vklass->supertypes [aklass->idepth - 1] != aklass) goto failure */
10001 mono_mb_emit_ldloc (mb, vklass);
10002 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, supertypes));
10003 mono_mb_emit_byte (mb, CEE_LDIND_I);
10005 mono_mb_emit_ldloc (mb, aklass);
10006 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
10007 mono_mb_emit_byte (mb, CEE_LDIND_U2);
10008 mono_mb_emit_icon (mb, 1);
10009 mono_mb_emit_byte (mb, CEE_SUB);
10010 mono_mb_emit_icon (mb, sizeof (void*));
10011 mono_mb_emit_byte (mb, CEE_MUL);
10012 mono_mb_emit_byte (mb, CEE_ADD);
10013 mono_mb_emit_byte (mb, CEE_LDIND_I);
10015 mono_mb_emit_ldloc (mb, aklass);
10016 b3 = mono_mb_emit_branch (mb, CEE_BNE_UN);
10019 mono_mb_patch_branch (mb, b1);
10020 mono_mb_emit_ldloc (mb, array_slot_addr);
10021 mono_mb_emit_ldarg (mb, 2);
10022 mono_mb_emit_byte (mb, CEE_STIND_REF);
10023 mono_mb_emit_byte (mb, CEE_RET);
10025 /* do_exception: */
10026 mono_mb_patch_branch (mb, b2);
10027 mono_mb_patch_branch (mb, b3);
10029 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
10032 case STELEMREF_INTERFACE:
10039 klass = array->obj.vtable->klass->element_class;
10040 vt = value->vtable;
10041 uiid = klass->interface_id;
10042 if (uiid > vt->max_interface_id)
10044 if (!(vt->interface_bitmap [(uiid) >> 3] & (1 << ((uiid)&7))))
10047 mono_array_setref (array, index, value);
10050 mono_raise_exception (mono_get_exception_array_type_mismatch ());*/
10052 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
10053 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10054 vtable = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10055 uiid = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
10057 /* ldelema (implicit bound check) */
10058 load_array_element_address (mb);
10059 mono_mb_emit_stloc (mb, array_slot_addr);
10061 /* if (!value) goto do_store */
10062 mono_mb_emit_ldarg (mb, 2);
10063 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
10065 /* klass = array->vtable->klass->element_class */
10066 load_array_class (mb, aklass);
10068 /* vt = value->vtable */
10069 mono_mb_emit_ldarg (mb, 2);
10070 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
10071 mono_mb_emit_byte (mb, CEE_LDIND_I);
10072 mono_mb_emit_stloc (mb, vtable);
10074 /* uiid = klass->interface_id; */
10075 mono_mb_emit_ldloc (mb, aklass);
10076 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, interface_id));
10077 mono_mb_emit_byte (mb, CEE_LDIND_U2);
10078 mono_mb_emit_stloc (mb, uiid);
10080 /*if (uiid > vt->max_interface_id)*/
10081 mono_mb_emit_ldloc (mb, uiid);
10082 mono_mb_emit_ldloc (mb, vtable);
10083 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, max_interface_id));
10084 mono_mb_emit_byte (mb, CEE_LDIND_U2);
10085 b2 = mono_mb_emit_branch (mb, CEE_BGT_UN);
10087 /* if (!(vt->interface_bitmap [(uiid) >> 3] & (1 << ((uiid)&7)))) */
10089 /*vt->interface_bitmap*/
10090 mono_mb_emit_ldloc (mb, vtable);
10091 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, interface_bitmap));
10092 mono_mb_emit_byte (mb, CEE_LDIND_I);
10095 mono_mb_emit_ldloc (mb, uiid);
10096 mono_mb_emit_icon (mb, 3);
10097 mono_mb_emit_byte (mb, CEE_SHR_UN);
10099 /*vt->interface_bitmap [(uiid) >> 3]*/
10100 mono_mb_emit_byte (mb, CEE_ADD); /*interface_bitmap is a guint8 array*/
10101 mono_mb_emit_byte (mb, CEE_LDIND_U1);
10103 /*(1 << ((uiid)&7)))*/
10104 mono_mb_emit_icon (mb, 1);
10105 mono_mb_emit_ldloc (mb, uiid);
10106 mono_mb_emit_icon (mb, 7);
10107 mono_mb_emit_byte (mb, CEE_AND);
10108 mono_mb_emit_byte (mb, CEE_SHL);
10110 /*bitwise and the whole thing*/
10111 mono_mb_emit_byte (mb, CEE_AND);
10112 b3 = mono_mb_emit_branch (mb, CEE_BRFALSE);
10115 mono_mb_patch_branch (mb, b1);
10116 mono_mb_emit_ldloc (mb, array_slot_addr);
10117 mono_mb_emit_ldarg (mb, 2);
10118 mono_mb_emit_byte (mb, CEE_STIND_REF);
10119 mono_mb_emit_byte (mb, CEE_RET);
10121 /* do_exception: */
10122 mono_mb_patch_branch (mb, b2);
10123 mono_mb_patch_branch (mb, b3);
10124 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
10128 mono_mb_emit_ldarg (mb, 0);
10129 mono_mb_emit_ldarg (mb, 1);
10130 mono_mb_emit_ldarg (mb, 2);
10131 mono_mb_emit_managed_call (mb, mono_marshal_get_stelemref (), NULL);
10132 mono_mb_emit_byte (mb, CEE_RET);
10136 res = mono_mb_create_method (mb, signature, 4);
10137 res->flags |= METHOD_ATTRIBUTE_VIRTUAL;
10138 mono_marshal_set_wrapper_info (res, GUINT_TO_POINTER (kind + 1));
10140 mono_marshal_lock ();
10141 if (!cached_methods [kind]) {
10142 cached_methods [kind] = res;
10143 mono_marshal_unlock ();
10145 mono_marshal_unlock ();
10146 mono_free_method (res);
10150 return cached_methods [kind];
10154 mono_marshal_get_stelemref ()
10156 static MonoMethod* ret = NULL;
10157 MonoMethodSignature *sig;
10158 MonoMethodBuilder *mb;
10160 guint32 b1, b2, b3, b4;
10162 int aklass, vklass;
10163 int array_slot_addr;
10168 mb = mono_mb_new (mono_defaults.object_class, "stelemref", MONO_WRAPPER_STELEMREF);
10171 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
10173 /* void stelemref (void* array, int idx, void* value) */
10174 sig->ret = &mono_defaults.void_class->byval_arg;
10175 sig->params [0] = &mono_defaults.object_class->byval_arg;
10176 sig->params [1] = &mono_defaults.int_class->byval_arg; /* this is a natural sized int */
10177 sig->params [2] = &mono_defaults.object_class->byval_arg;
10179 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10180 vklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10181 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
10185 <ldelema (bound check)>
10189 aklass = array->vtable->klass->element_class;
10190 vklass = value->vtable->klass;
10192 if (vklass->idepth < aklass->idepth)
10195 if (vklass->supertypes [aklass->idepth - 1] != aklass)
10199 *array_slot_addr = value;
10203 if (mono_object_isinst (value, aklass))
10206 throw new ArrayTypeMismatchException ();
10209 /* ldelema (implicit bound check) */
10210 mono_mb_emit_ldarg (mb, 0);
10211 mono_mb_emit_ldarg (mb, 1);
10212 mono_mb_emit_op (mb, CEE_LDELEMA, mono_defaults.object_class);
10213 mono_mb_emit_stloc (mb, array_slot_addr);
10215 /* if (!value) goto do_store */
10216 mono_mb_emit_ldarg (mb, 2);
10217 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
10219 /* aklass = array->vtable->klass->element_class */
10220 mono_mb_emit_ldarg (mb, 0);
10221 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
10222 mono_mb_emit_byte (mb, CEE_LDIND_I);
10223 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, klass));
10224 mono_mb_emit_byte (mb, CEE_LDIND_I);
10225 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, element_class));
10226 mono_mb_emit_byte (mb, CEE_LDIND_I);
10227 mono_mb_emit_stloc (mb, aklass);
10229 /* vklass = value->vtable->klass */
10230 mono_mb_emit_ldarg (mb, 2);
10231 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
10232 mono_mb_emit_byte (mb, CEE_LDIND_I);
10233 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, klass));
10234 mono_mb_emit_byte (mb, CEE_LDIND_I);
10235 mono_mb_emit_stloc (mb, vklass);
10237 /* if (vklass->idepth < aklass->idepth) goto failue */
10238 mono_mb_emit_ldloc (mb, vklass);
10239 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
10240 mono_mb_emit_byte (mb, CEE_LDIND_U2);
10242 mono_mb_emit_ldloc (mb, aklass);
10243 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
10244 mono_mb_emit_byte (mb, CEE_LDIND_U2);
10246 b2 = mono_mb_emit_branch (mb, CEE_BLT_UN);
10248 /* if (vklass->supertypes [aklass->idepth - 1] != aklass) goto failure */
10249 mono_mb_emit_ldloc (mb, vklass);
10250 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, supertypes));
10251 mono_mb_emit_byte (mb, CEE_LDIND_I);
10253 mono_mb_emit_ldloc (mb, aklass);
10254 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
10255 mono_mb_emit_byte (mb, CEE_LDIND_U2);
10256 mono_mb_emit_icon (mb, 1);
10257 mono_mb_emit_byte (mb, CEE_SUB);
10258 mono_mb_emit_icon (mb, sizeof (void*));
10259 mono_mb_emit_byte (mb, CEE_MUL);
10260 mono_mb_emit_byte (mb, CEE_ADD);
10261 mono_mb_emit_byte (mb, CEE_LDIND_I);
10263 mono_mb_emit_ldloc (mb, aklass);
10265 b3 = mono_mb_emit_branch (mb, CEE_BNE_UN);
10267 copy_pos = mono_mb_get_label (mb);
10269 mono_mb_patch_branch (mb, b1);
10270 mono_mb_emit_ldloc (mb, array_slot_addr);
10271 mono_mb_emit_ldarg (mb, 2);
10272 mono_mb_emit_byte (mb, CEE_STIND_REF);
10274 mono_mb_emit_byte (mb, CEE_RET);
10277 mono_mb_patch_branch (mb, b2);
10278 mono_mb_patch_branch (mb, b3);
10280 mono_mb_emit_ldarg (mb, 2);
10281 mono_mb_emit_ldloc (mb, aklass);
10282 mono_mb_emit_icall (mb, mono_object_isinst);
10284 b4 = mono_mb_emit_branch (mb, CEE_BRTRUE);
10285 mono_mb_patch_addr (mb, b4, copy_pos - (b4 + 4));
10286 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
10288 mono_mb_emit_byte (mb, CEE_RET);
10289 ret = mono_mb_create_method (mb, sig, 4);
10297 MonoMethod *method;
10300 /* LOCKING: vars accessed under the marshal lock */
10301 static ArrayElemAddr *elem_addr_cache = NULL;
10302 static int elem_addr_cache_size = 0;
10303 static int elem_addr_cache_next = 0;
10306 * mono_marshal_get_array_address:
10307 * @rank: rank of the array type
10308 * @elem_size: size in bytes of an element of an array.
10310 * Returns a MonoMethd that implements the code to get the address
10311 * of an element in a multi-dimenasional array of @rank dimensions.
10312 * The returned method takes an array as the first argument and then
10313 * @rank indexes for the @rank dimensions.
10316 mono_marshal_get_array_address (int rank, int elem_size)
10319 MonoMethodBuilder *mb;
10320 MonoMethodSignature *sig;
10321 int i, bounds, ind, realidx;
10322 int branch_pos, *branch_positions;
10326 mono_marshal_lock ();
10327 for (i = 0; i < elem_addr_cache_next; ++i) {
10328 if (elem_addr_cache [i].rank == rank && elem_addr_cache [i].elem_size == elem_size) {
10329 ret = elem_addr_cache [i].method;
10333 mono_marshal_unlock ();
10337 branch_positions = g_new0 (int, rank);
10339 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1 + rank);
10341 /* void* address (void* array, int idx0, int idx1, int idx2, ...) */
10342 sig->ret = &mono_defaults.int_class->byval_arg;
10343 sig->params [0] = &mono_defaults.object_class->byval_arg;
10344 for (i = 0; i < rank; ++i) {
10345 sig->params [i + 1] = &mono_defaults.int32_class->byval_arg;
10348 mb = mono_mb_new (mono_defaults.object_class, "ElementAddr", MONO_WRAPPER_MANAGED_TO_MANAGED);
10350 bounds = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10351 ind = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
10352 realidx = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
10354 /* bounds = array->bounds; */
10355 mono_mb_emit_ldarg (mb, 0);
10356 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoArray, bounds));
10357 mono_mb_emit_byte (mb, CEE_LDIND_I);
10358 mono_mb_emit_stloc (mb, bounds);
10360 /* ind is the overall element index, realidx is the partial index in a single dimension */
10361 /* ind = idx0 - bounds [0].lower_bound */
10362 mono_mb_emit_ldarg (mb, 1);
10363 mono_mb_emit_ldloc (mb, bounds);
10364 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArrayBounds, lower_bound));
10365 mono_mb_emit_byte (mb, CEE_ADD);
10366 mono_mb_emit_byte (mb, CEE_LDIND_I4);
10367 mono_mb_emit_byte (mb, CEE_SUB);
10368 mono_mb_emit_stloc (mb, ind);
10369 /* if (ind >= bounds [0].length) goto exeception; */
10370 mono_mb_emit_ldloc (mb, ind);
10371 mono_mb_emit_ldloc (mb, bounds);
10372 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArrayBounds, length));
10373 mono_mb_emit_byte (mb, CEE_ADD);
10374 mono_mb_emit_byte (mb, CEE_LDIND_I4);
10375 /* note that we use unsigned comparison */
10376 branch_pos = mono_mb_emit_branch (mb, CEE_BGE_UN);
10378 /* For large ranks (> 4?) use a loop n IL later to reduce code size.
10379 * We could also decide to ignore the passed elem_size and get it
10380 * from the array object, to reduce the number of methods we generate:
10381 * the additional cost is 3 memory loads and a non-immediate mul.
10383 for (i = 1; i < rank; ++i) {
10384 /* realidx = idxi - bounds [i].lower_bound */
10385 mono_mb_emit_ldarg (mb, 1 + i);
10386 mono_mb_emit_ldloc (mb, bounds);
10387 mono_mb_emit_icon (mb, (i * sizeof (MonoArrayBounds)) + G_STRUCT_OFFSET (MonoArrayBounds, lower_bound));
10388 mono_mb_emit_byte (mb, CEE_ADD);
10389 mono_mb_emit_byte (mb, CEE_LDIND_I4);
10390 mono_mb_emit_byte (mb, CEE_SUB);
10391 mono_mb_emit_stloc (mb, realidx);
10392 /* if (realidx >= bounds [i].length) goto exeception; */
10393 mono_mb_emit_ldloc (mb, realidx);
10394 mono_mb_emit_ldloc (mb, bounds);
10395 mono_mb_emit_icon (mb, (i * sizeof (MonoArrayBounds)) + G_STRUCT_OFFSET (MonoArrayBounds, length));
10396 mono_mb_emit_byte (mb, CEE_ADD);
10397 mono_mb_emit_byte (mb, CEE_LDIND_I4);
10398 branch_positions [i] = mono_mb_emit_branch (mb, CEE_BGE_UN);
10399 /* ind = ind * bounds [i].length + realidx */
10400 mono_mb_emit_ldloc (mb, ind);
10401 mono_mb_emit_ldloc (mb, bounds);
10402 mono_mb_emit_icon (mb, (i * sizeof (MonoArrayBounds)) + G_STRUCT_OFFSET (MonoArrayBounds, length));
10403 mono_mb_emit_byte (mb, CEE_ADD);
10404 mono_mb_emit_byte (mb, CEE_LDIND_I4);
10405 mono_mb_emit_byte (mb, CEE_MUL);
10406 mono_mb_emit_ldloc (mb, realidx);
10407 mono_mb_emit_byte (mb, CEE_ADD);
10408 mono_mb_emit_stloc (mb, ind);
10411 /* return array->vector + ind * element_size */
10412 mono_mb_emit_ldarg (mb, 0);
10413 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoArray, vector));
10414 mono_mb_emit_ldloc (mb, ind);
10415 mono_mb_emit_icon (mb, elem_size);
10416 mono_mb_emit_byte (mb, CEE_MUL);
10417 mono_mb_emit_byte (mb, CEE_ADD);
10418 mono_mb_emit_byte (mb, CEE_RET);
10420 /* patch the branches to get here and throw */
10421 for (i = 1; i < rank; ++i) {
10422 mono_mb_patch_branch (mb, branch_positions [i]);
10424 mono_mb_patch_branch (mb, branch_pos);
10425 /* throw exception */
10426 mono_mb_emit_exception (mb, "IndexOutOfRangeException", NULL);
10428 g_free (branch_positions);
10429 ret = mono_mb_create_method (mb, sig, 4);
10432 /* cache the result */
10434 mono_marshal_lock ();
10435 for (i = 0; i < elem_addr_cache_next; ++i) {
10436 if (elem_addr_cache [i].rank == rank && elem_addr_cache [i].elem_size == elem_size) {
10437 /* FIXME: free ret */
10438 ret = elem_addr_cache [i].method;
10444 ElementAddrWrapperInfo *info;
10446 if (elem_addr_cache_next >= elem_addr_cache_size) {
10447 int new_size = elem_addr_cache_size + 4;
10448 ArrayElemAddr *new_array = g_new0 (ArrayElemAddr, new_size);
10449 memcpy (new_array, elem_addr_cache, elem_addr_cache_size * sizeof (ArrayElemAddr));
10450 g_free (elem_addr_cache);
10451 elem_addr_cache = new_array;
10452 elem_addr_cache_size = new_size;
10454 elem_addr_cache [elem_addr_cache_next].rank = rank;
10455 elem_addr_cache [elem_addr_cache_next].elem_size = elem_size;
10456 elem_addr_cache [elem_addr_cache_next].method = ret;
10458 info = mono_image_alloc0 (mono_defaults.corlib, sizeof (ElementAddrWrapperInfo));
10460 info->elem_size = elem_size;
10462 mono_marshal_set_wrapper_info (ret, info);
10464 mono_marshal_unlock ();
10469 mono_marshal_alloc (gulong size)
10474 res = CoTaskMemAlloc (size);
10476 res = g_try_malloc ((gulong)size);
10478 mono_gc_out_of_memory ((gulong)size);
10484 mono_marshal_free (gpointer ptr)
10487 CoTaskMemFree (ptr);
10494 mono_marshal_free_array (gpointer *ptr, int size)
10501 for (i = 0; i < size; i++)
10507 mono_marshal_string_to_utf16 (MonoString *s)
10509 return s ? mono_string_chars (s) : NULL;
10513 mono_marshal_string_to_utf16_copy (MonoString *s)
10518 gunichar2 *res = mono_marshal_alloc ((mono_string_length (s) * 2) + 2);
10519 memcpy (res, mono_string_chars (s), mono_string_length (s) * 2);
10520 res [mono_string_length (s)] = 0;
10526 * mono_marshal_set_last_error:
10528 * This function is invoked to set the last error value from a P/Invoke call
10529 * which has SetLastError set.
10532 mono_marshal_set_last_error (void)
10535 TlsSetValue (last_error_tls_id, GINT_TO_POINTER (GetLastError ()));
10537 TlsSetValue (last_error_tls_id, GINT_TO_POINTER (errno));
10542 mono_marshal_set_last_error_windows (int error)
10545 TlsSetValue (last_error_tls_id, GINT_TO_POINTER (error));
10550 ves_icall_System_Runtime_InteropServices_Marshal_copy_to_unmanaged (MonoArray *src, gint32 start_index,
10551 gpointer dest, gint32 length)
10556 MONO_ARCH_SAVE_REGS;
10558 MONO_CHECK_ARG_NULL (src);
10559 MONO_CHECK_ARG_NULL (dest);
10561 if (src->obj.vtable->klass->rank != 1)
10562 mono_raise_exception (mono_get_exception_argument ("array", "array is multi-dimensional"));
10563 if (start_index < 0)
10564 mono_raise_exception (mono_get_exception_argument ("startIndex", "Must be >= 0"));
10566 mono_raise_exception (mono_get_exception_argument ("length", "Must be >= 0"));
10567 if (start_index + length > mono_array_length (src))
10568 mono_raise_exception (mono_get_exception_argument ("length", "start_index + length > array length"));
10570 element_size = mono_array_element_size (src->obj.vtable->klass);
10572 /* no references should be involved */
10573 source_addr = mono_array_addr_with_size (src, element_size, start_index);
10575 memcpy (dest, source_addr, length * element_size);
10579 ves_icall_System_Runtime_InteropServices_Marshal_copy_from_unmanaged (gpointer src, gint32 start_index,
10580 MonoArray *dest, gint32 length)
10585 MONO_ARCH_SAVE_REGS;
10587 MONO_CHECK_ARG_NULL (src);
10588 MONO_CHECK_ARG_NULL (dest);
10590 if (dest->obj.vtable->klass->rank != 1)
10591 mono_raise_exception (mono_get_exception_argument ("array", "array is multi-dimensional"));
10592 if (start_index < 0)
10593 mono_raise_exception (mono_get_exception_argument ("startIndex", "Must be >= 0"));
10595 mono_raise_exception (mono_get_exception_argument ("length", "Must be >= 0"));
10596 if (start_index + length > mono_array_length (dest))
10597 mono_raise_exception (mono_get_exception_argument ("length", "start_index + length > array length"));
10599 element_size = mono_array_element_size (dest->obj.vtable->klass);
10601 /* no references should be involved */
10602 dest_addr = mono_array_addr_with_size (dest, element_size, start_index);
10604 memcpy (dest_addr, src, length * element_size);
10607 #if NO_UNALIGNED_ACCESS
10608 #define RETURN_UNALIGNED(type, addr) \
10611 memcpy(&val, p + offset, sizeof(val)); \
10614 #define WRITE_UNALIGNED(type, addr, val) \
10615 memcpy(addr, &val, sizeof(type))
10617 #define RETURN_UNALIGNED(type, addr) \
10618 return *(type*)(p + offset);
10619 #define WRITE_UNALIGNED(type, addr, val) \
10620 (*(type *)(addr) = (val))
10624 ves_icall_System_Runtime_InteropServices_Marshal_ReadIntPtr (gpointer ptr, gint32 offset)
10628 MONO_ARCH_SAVE_REGS;
10630 RETURN_UNALIGNED(gpointer, p + offset);
10634 ves_icall_System_Runtime_InteropServices_Marshal_ReadByte (gpointer ptr, gint32 offset)
10638 MONO_ARCH_SAVE_REGS;
10640 return *(unsigned char*)(p + offset);
10644 ves_icall_System_Runtime_InteropServices_Marshal_ReadInt16 (gpointer ptr, gint32 offset)
10648 MONO_ARCH_SAVE_REGS;
10650 RETURN_UNALIGNED(gint16, p + offset);
10654 ves_icall_System_Runtime_InteropServices_Marshal_ReadInt32 (gpointer ptr, gint32 offset)
10658 MONO_ARCH_SAVE_REGS;
10660 RETURN_UNALIGNED(gint32, p + offset);
10664 ves_icall_System_Runtime_InteropServices_Marshal_ReadInt64 (gpointer ptr, gint32 offset)
10668 MONO_ARCH_SAVE_REGS;
10670 RETURN_UNALIGNED(gint64, p + offset);
10674 ves_icall_System_Runtime_InteropServices_Marshal_WriteByte (gpointer ptr, gint32 offset, unsigned char val)
10678 MONO_ARCH_SAVE_REGS;
10680 *(unsigned char*)(p + offset) = val;
10684 ves_icall_System_Runtime_InteropServices_Marshal_WriteIntPtr (gpointer ptr, gint32 offset, gpointer val)
10688 MONO_ARCH_SAVE_REGS;
10690 WRITE_UNALIGNED(gpointer, p + offset, val);
10694 ves_icall_System_Runtime_InteropServices_Marshal_WriteInt16 (gpointer ptr, gint32 offset, gint16 val)
10698 MONO_ARCH_SAVE_REGS;
10700 WRITE_UNALIGNED(gint16, p + offset, val);
10704 ves_icall_System_Runtime_InteropServices_Marshal_WriteInt32 (gpointer ptr, gint32 offset, gint32 val)
10708 MONO_ARCH_SAVE_REGS;
10710 WRITE_UNALIGNED(gint32, p + offset, val);
10714 ves_icall_System_Runtime_InteropServices_Marshal_WriteInt64 (gpointer ptr, gint32 offset, gint64 val)
10718 MONO_ARCH_SAVE_REGS;
10720 WRITE_UNALIGNED(gint64, p + offset, val);
10724 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringAnsi (char *ptr)
10726 MONO_ARCH_SAVE_REGS;
10731 return mono_string_new (mono_domain_get (), ptr);
10735 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringAnsi_len (char *ptr, gint32 len)
10737 MONO_ARCH_SAVE_REGS;
10740 mono_raise_exception (mono_get_exception_argument_null ("ptr"));
10741 g_assert_not_reached ();
10744 return mono_string_new_len (mono_domain_get (), ptr, len);
10749 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringUni (guint16 *ptr)
10751 MonoDomain *domain = mono_domain_get ();
10755 MONO_ARCH_SAVE_REGS;
10763 return mono_string_new_utf16 (domain, ptr, len);
10767 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringUni_len (guint16 *ptr, gint32 len)
10769 MonoDomain *domain = mono_domain_get ();
10771 MONO_ARCH_SAVE_REGS;
10774 mono_raise_exception (mono_get_exception_argument_null ("ptr"));
10775 g_assert_not_reached ();
10778 return mono_string_new_utf16 (domain, ptr, len);
10783 ves_icall_System_Runtime_InteropServices_Marshal_GetLastWin32Error (void)
10785 MONO_ARCH_SAVE_REGS;
10787 return (GPOINTER_TO_INT (TlsGetValue (last_error_tls_id)));
10791 ves_icall_System_Runtime_InteropServices_Marshal_SizeOf (MonoReflectionType *rtype)
10797 MONO_ARCH_SAVE_REGS;
10799 MONO_CHECK_ARG_NULL (rtype);
10801 type = rtype->type;
10802 klass = mono_class_from_mono_type (type);
10803 if (!mono_class_init (klass))
10804 mono_raise_exception (mono_class_get_exception_for_failure (klass));
10806 layout = (klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK);
10808 if (layout == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
10810 MonoException *exc;
10812 msg = g_strdup_printf ("Type %s cannot be marshaled as an unmanaged structure.", klass->name);
10813 exc = mono_get_exception_argument ("t", msg);
10815 mono_raise_exception (exc);
10819 return mono_class_native_size (klass, NULL);
10823 ves_icall_System_Runtime_InteropServices_Marshal_StructureToPtr (MonoObject *obj, gpointer dst, MonoBoolean delete_old)
10825 MonoMethod *method;
10828 MONO_ARCH_SAVE_REGS;
10830 MONO_CHECK_ARG_NULL (obj);
10831 MONO_CHECK_ARG_NULL (dst);
10833 method = mono_marshal_get_struct_to_ptr (obj->vtable->klass);
10837 pa [2] = &delete_old;
10839 mono_runtime_invoke (method, NULL, pa, NULL);
10843 ptr_to_structure (gpointer src, MonoObject *dst)
10845 MonoMethod *method;
10848 method = mono_marshal_get_ptr_to_struct (dst->vtable->klass);
10853 mono_runtime_invoke (method, NULL, pa, NULL);
10857 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure (gpointer src, MonoObject *dst)
10861 MONO_ARCH_SAVE_REGS;
10863 MONO_CHECK_ARG_NULL (src);
10864 MONO_CHECK_ARG_NULL (dst);
10866 t = mono_type_get_underlying_type (mono_class_get_type (dst->vtable->klass));
10868 if (t->type == MONO_TYPE_VALUETYPE) {
10869 MonoException *exc;
10872 tmp = g_strdup_printf ("Destination is a boxed value type.");
10873 exc = mono_get_exception_argument ("dst", tmp);
10876 mono_raise_exception (exc);
10880 ptr_to_structure (src, dst);
10884 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure_type (gpointer src, MonoReflectionType *type)
10887 MonoDomain *domain = mono_domain_get ();
10890 MONO_ARCH_SAVE_REGS;
10892 MONO_CHECK_ARG_NULL (src);
10893 MONO_CHECK_ARG_NULL (type);
10895 klass = mono_class_from_mono_type (type->type);
10896 if (!mono_class_init (klass))
10897 mono_raise_exception (mono_class_get_exception_for_failure (klass));
10899 res = mono_object_new (domain, klass);
10901 ptr_to_structure (src, res);
10907 ves_icall_System_Runtime_InteropServices_Marshal_OffsetOf (MonoReflectionType *type, MonoString *field_name)
10909 MonoMarshalType *info;
10912 int match_index = -1;
10914 MONO_ARCH_SAVE_REGS;
10916 MONO_CHECK_ARG_NULL (type);
10917 MONO_CHECK_ARG_NULL (field_name);
10919 fname = mono_string_to_utf8 (field_name);
10920 klass = mono_class_from_mono_type (type->type);
10921 if (!mono_class_init (klass))
10922 mono_raise_exception (mono_class_get_exception_for_failure (klass));
10924 while (klass && match_index == -1) {
10925 MonoClassField* field;
10927 gpointer iter = NULL;
10928 while ((field = mono_class_get_fields (klass, &iter))) {
10929 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
10931 if (!strcmp (fname, mono_field_get_name (field))) {
10938 if (match_index == -1)
10939 klass = klass->parent;
10944 if(match_index == -1) {
10945 MonoException* exc;
10948 /* Get back original class instance */
10949 klass = mono_class_from_mono_type (type->type);
10951 tmp = g_strdup_printf ("Field passed in is not a marshaled member of the type %s", klass->name);
10952 exc = mono_get_exception_argument ("fieldName", tmp);
10955 mono_raise_exception ((MonoException*)exc);
10958 info = mono_marshal_load_type_info (klass);
10959 return info->fields [match_index].offset;
10963 ves_icall_System_Runtime_InteropServices_Marshal_StringToHGlobalAnsi (MonoString *string)
10968 tres = mono_string_to_utf8 (string);
10972 len = strlen (tres) + 1;
10973 ret = ves_icall_System_Runtime_InteropServices_Marshal_AllocHGlobal (len);
10974 memcpy (ret, tres, len);
10979 return mono_string_to_utf8 (string);
10984 ves_icall_System_Runtime_InteropServices_Marshal_StringToHGlobalUni (MonoString *string)
10986 MONO_ARCH_SAVE_REGS;
10988 if (string == NULL)
10991 #ifdef TARGET_WIN32
10992 gunichar2 *res = ves_icall_System_Runtime_InteropServices_Marshal_AllocHGlobal
10993 ((mono_string_length (string) + 1) * 2);
10995 gunichar2 *res = g_malloc ((mono_string_length (string) + 1) * 2);
10997 memcpy (res, mono_string_chars (string), mono_string_length (string) * 2);
10998 res [mono_string_length (string)] = 0;
11004 mono_struct_delete_old (MonoClass *klass, char *ptr)
11006 MonoMarshalType *info;
11009 info = mono_marshal_load_type_info (klass);
11011 for (i = 0; i < info->num_fields; i++) {
11012 MonoMarshalNative ntype;
11013 MonoMarshalConv conv;
11014 MonoType *ftype = info->fields [i].field->type;
11017 if (ftype->attrs & FIELD_ATTRIBUTE_STATIC)
11020 ntype = mono_type_to_unmanaged (ftype, info->fields [i].mspec, TRUE,
11021 klass->unicode, &conv);
11023 cpos = ptr + info->fields [i].offset;
11026 case MONO_MARSHAL_CONV_NONE:
11027 if (MONO_TYPE_ISSTRUCT (ftype)) {
11028 mono_struct_delete_old (ftype->data.klass, cpos);
11032 case MONO_MARSHAL_CONV_STR_LPWSTR:
11033 /* We assume this field points inside a MonoString */
11035 case MONO_MARSHAL_CONV_STR_LPTSTR:
11036 #ifdef TARGET_WIN32
11037 /* We assume this field points inside a MonoString
11041 case MONO_MARSHAL_CONV_STR_LPSTR:
11042 case MONO_MARSHAL_CONV_STR_BSTR:
11043 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
11044 case MONO_MARSHAL_CONV_STR_TBSTR:
11045 mono_marshal_free (*(gpointer *)cpos);
11055 ves_icall_System_Runtime_InteropServices_Marshal_DestroyStructure (gpointer src, MonoReflectionType *type)
11059 MONO_ARCH_SAVE_REGS;
11061 MONO_CHECK_ARG_NULL (src);
11062 MONO_CHECK_ARG_NULL (type);
11064 klass = mono_class_from_mono_type (type->type);
11065 if (!mono_class_init (klass))
11066 mono_raise_exception (mono_class_get_exception_for_failure (klass));
11068 mono_struct_delete_old (klass, (char *)src);
11072 ves_icall_System_Runtime_InteropServices_Marshal_AllocHGlobal (int size)
11076 MONO_ARCH_SAVE_REGS;
11078 if ((gulong)size == 0)
11079 /* This returns a valid pointer for size 0 on MS.NET */
11083 res = GlobalAlloc (GMEM_FIXED, (gulong)size);
11085 res = g_try_malloc ((gulong)size);
11088 mono_gc_out_of_memory ((gulong)size);
11094 ves_icall_System_Runtime_InteropServices_Marshal_ReAllocHGlobal (gpointer ptr, int size)
11099 mono_gc_out_of_memory ((gulong)size);
11104 res = GlobalReAlloc (ptr, (gulong)size, GMEM_MOVEABLE);
11106 res = g_try_realloc (ptr, (gulong)size);
11109 mono_gc_out_of_memory ((gulong)size);
11115 ves_icall_System_Runtime_InteropServices_Marshal_FreeHGlobal (void *ptr)
11117 MONO_ARCH_SAVE_REGS;
11127 ves_icall_System_Runtime_InteropServices_Marshal_AllocCoTaskMem (int size)
11129 MONO_ARCH_SAVE_REGS;
11132 return CoTaskMemAlloc (size);
11134 return g_try_malloc ((gulong)size);
11139 ves_icall_System_Runtime_InteropServices_Marshal_FreeCoTaskMem (void *ptr)
11141 MONO_ARCH_SAVE_REGS;
11144 CoTaskMemFree (ptr);
11151 ves_icall_System_Runtime_InteropServices_Marshal_ReAllocCoTaskMem (gpointer ptr, int size)
11153 MONO_ARCH_SAVE_REGS;
11156 return CoTaskMemRealloc (ptr, size);
11158 return g_try_realloc (ptr, (gulong)size);
11163 ves_icall_System_Runtime_InteropServices_Marshal_UnsafeAddrOfPinnedArrayElement (MonoArray *arrayobj, int index)
11165 return mono_array_addr_with_size (arrayobj, mono_array_element_size (arrayobj->obj.vtable->klass), index);
11169 ves_icall_System_Runtime_InteropServices_Marshal_GetDelegateForFunctionPointerInternal (void *ftn, MonoReflectionType *type)
11171 MonoClass *klass = mono_type_get_class (type->type);
11172 if (!mono_class_init (klass))
11173 mono_raise_exception (mono_class_get_exception_for_failure (klass));
11175 return mono_ftnptr_to_delegate (klass, ftn);
11179 * mono_marshal_is_loading_type_info:
11181 * Return whenever mono_marshal_load_type_info () is being executed for KLASS by this
11185 mono_marshal_is_loading_type_info (MonoClass *klass)
11187 GSList *loads_list = TlsGetValue (load_type_info_tls_id);
11189 return g_slist_find (loads_list, klass) != NULL;
11193 * mono_marshal_load_type_info:
11195 * Initialize klass->marshal_info using information from metadata. This function can
11196 * recursively call itself, and the caller is responsible to avoid that by calling
11197 * mono_marshal_is_loading_type_info () beforehand.
11199 * LOCKING: Acquires the loader lock.
11202 mono_marshal_load_type_info (MonoClass* klass)
11205 guint32 native_size = 0, min_align = 1, packing;
11206 MonoMarshalType *info;
11207 MonoClassField* field;
11210 GSList *loads_list;
11212 g_assert (klass != NULL);
11214 if (klass->marshal_info)
11215 return klass->marshal_info;
11217 if (!klass->inited)
11218 mono_class_init (klass);
11220 mono_loader_lock ();
11222 if (klass->marshal_info) {
11223 mono_loader_unlock ();
11224 return klass->marshal_info;
11228 * This function can recursively call itself, so we keep the list of classes which are
11229 * under initialization in a TLS list.
11231 g_assert (!mono_marshal_is_loading_type_info (klass));
11232 loads_list = TlsGetValue (load_type_info_tls_id);
11233 loads_list = g_slist_prepend (loads_list, klass);
11234 TlsSetValue (load_type_info_tls_id, loads_list);
11237 while ((field = mono_class_get_fields (klass, &iter))) {
11238 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
11240 if (mono_field_is_deleted (field))
11245 layout = klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK;
11247 /* The mempool is protected by the loader lock */
11248 info = mono_image_alloc0 (klass->image, MONO_SIZEOF_MARSHAL_TYPE + sizeof (MonoMarshalField) * count);
11249 info->num_fields = count;
11251 /* Try to find a size for this type in metadata */
11252 mono_metadata_packing_from_typedef (klass->image, klass->type_token, NULL, &native_size);
11254 if (klass->parent) {
11255 int parent_size = mono_class_native_size (klass->parent, NULL);
11257 /* Add parent size to real size */
11258 native_size += parent_size;
11259 info->native_size = parent_size;
11262 packing = klass->packing_size ? klass->packing_size : 8;
11265 while ((field = mono_class_get_fields (klass, &iter))) {
11269 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
11272 if (mono_field_is_deleted (field))
11274 if (field->type->attrs & FIELD_ATTRIBUTE_HAS_FIELD_MARSHAL)
11275 mono_metadata_field_info_with_mempool (klass->image, mono_metadata_token_index (mono_class_get_field_token (field)) - 1,
11276 NULL, NULL, &info->fields [j].mspec);
11278 info->fields [j].field = field;
11280 if ((mono_class_num_fields (klass) == 1) && (klass->instance_size == sizeof (MonoObject)) &&
11281 (strcmp (mono_field_get_name (field), "$PRIVATE$") == 0)) {
11282 /* This field is a hack inserted by MCS to empty structures */
11287 case TYPE_ATTRIBUTE_AUTO_LAYOUT:
11288 case TYPE_ATTRIBUTE_SEQUENTIAL_LAYOUT:
11289 size = mono_marshal_type_size (field->type, info->fields [j].mspec,
11290 &align, TRUE, klass->unicode);
11291 align = klass->packing_size ? MIN (klass->packing_size, align): align;
11292 min_align = MAX (align, min_align);
11293 info->fields [j].offset = info->native_size;
11294 info->fields [j].offset += align - 1;
11295 info->fields [j].offset &= ~(align - 1);
11296 info->native_size = info->fields [j].offset + size;
11298 case TYPE_ATTRIBUTE_EXPLICIT_LAYOUT:
11299 size = mono_marshal_type_size (field->type, info->fields [j].mspec,
11300 &align, TRUE, klass->unicode);
11301 min_align = packing;
11302 info->fields [j].offset = field->offset - sizeof (MonoObject);
11303 info->native_size = MAX (info->native_size, info->fields [j].offset + size);
11309 if (layout != TYPE_ATTRIBUTE_AUTO_LAYOUT) {
11310 info->native_size = MAX (native_size, info->native_size);
11312 * If the provided Size is equal or larger than the calculated size, and there
11313 * was no Pack attribute, we set min_align to 1 to avoid native_size being increased
11315 if (layout == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT)
11316 if (native_size && native_size == info->native_size && klass->packing_size == 0)
11320 if (info->native_size & (min_align - 1)) {
11321 info->native_size += min_align - 1;
11322 info->native_size &= ~(min_align - 1);
11325 info->min_align = min_align;
11327 /* Update the class's blittable info, if the layouts don't match */
11328 if (info->native_size != mono_class_value_size (klass, NULL))
11329 klass->blittable = FALSE;
11331 /* If this is an array type, ensure that we have element info */
11332 if (klass->rank && !mono_marshal_is_loading_type_info (klass->element_class)) {
11333 mono_marshal_load_type_info (klass->element_class);
11336 loads_list = TlsGetValue (load_type_info_tls_id);
11337 loads_list = g_slist_remove (loads_list, klass);
11338 TlsSetValue (load_type_info_tls_id, loads_list);
11340 /*We do double-checking locking on marshal_info */
11341 mono_memory_barrier ();
11343 klass->marshal_info = info;
11345 mono_loader_unlock ();
11347 return klass->marshal_info;
11351 * mono_class_native_size:
11354 * Returns: the native size of an object instance (when marshaled
11355 * to unmanaged code)
11358 mono_class_native_size (MonoClass *klass, guint32 *align)
11360 if (!klass->marshal_info) {
11361 if (mono_marshal_is_loading_type_info (klass)) {
11366 mono_marshal_load_type_info (klass);
11371 *align = klass->marshal_info->min_align;
11373 return klass->marshal_info->native_size;
11376 /* __alignof__ returns the preferred alignment of values not the actual alignment used by
11377 the compiler so is wrong e.g. for Linux where doubles are aligned on a 4 byte boundary
11378 but __alignof__ returns 8 - using G_STRUCT_OFFSET works better */
11379 #define ALIGNMENT(type) G_STRUCT_OFFSET(struct { char c; type x; }, x)
11382 * mono_type_native_stack_size:
11383 * @t: the type to return the size it uses on the stack
11385 * Returns: the number of bytes required to hold an instance of this
11386 * type on the native stack
11389 mono_type_native_stack_size (MonoType *t, guint32 *align)
11393 g_assert (t != NULL);
11399 *align = sizeof (gpointer);
11400 return sizeof (gpointer);
11404 case MONO_TYPE_BOOLEAN:
11405 case MONO_TYPE_CHAR:
11416 case MONO_TYPE_STRING:
11417 case MONO_TYPE_OBJECT:
11418 case MONO_TYPE_CLASS:
11419 case MONO_TYPE_SZARRAY:
11420 case MONO_TYPE_PTR:
11421 case MONO_TYPE_FNPTR:
11422 case MONO_TYPE_ARRAY:
11423 *align = sizeof (gpointer);
11424 return sizeof (gpointer);
11429 *align = ALIGNMENT (gdouble);
11433 *align = ALIGNMENT (glong);
11435 case MONO_TYPE_GENERICINST:
11436 if (!mono_type_generic_inst_is_valuetype (t)) {
11437 *align = sizeof (gpointer);
11438 return sizeof (gpointer);
11441 case MONO_TYPE_TYPEDBYREF:
11442 case MONO_TYPE_VALUETYPE: {
11444 MonoClass *klass = mono_class_from_mono_type (t);
11446 if (klass->enumtype)
11447 return mono_type_native_stack_size (mono_class_enum_basetype (klass), align);
11449 size = mono_class_native_size (klass, align);
11450 *align = *align + 3;
11460 g_error ("type 0x%02x unknown", t->type);
11466 mono_marshal_type_size (MonoType *type, MonoMarshalSpec *mspec, guint32 *align,
11467 gboolean as_field, gboolean unicode)
11469 MonoMarshalNative native_type = mono_type_to_unmanaged (type, mspec, as_field, unicode, NULL);
11472 switch (native_type) {
11473 case MONO_NATIVE_BOOLEAN:
11476 case MONO_NATIVE_I1:
11477 case MONO_NATIVE_U1:
11480 case MONO_NATIVE_I2:
11481 case MONO_NATIVE_U2:
11482 case MONO_NATIVE_VARIANTBOOL:
11485 case MONO_NATIVE_I4:
11486 case MONO_NATIVE_U4:
11487 case MONO_NATIVE_ERROR:
11490 case MONO_NATIVE_I8:
11491 case MONO_NATIVE_U8:
11492 *align = ALIGNMENT(guint64);
11494 case MONO_NATIVE_R4:
11497 case MONO_NATIVE_R8:
11498 *align = ALIGNMENT(double);
11500 case MONO_NATIVE_INT:
11501 case MONO_NATIVE_UINT:
11502 case MONO_NATIVE_LPSTR:
11503 case MONO_NATIVE_LPWSTR:
11504 case MONO_NATIVE_LPTSTR:
11505 case MONO_NATIVE_BSTR:
11506 case MONO_NATIVE_ANSIBSTR:
11507 case MONO_NATIVE_TBSTR:
11508 case MONO_NATIVE_LPARRAY:
11509 case MONO_NATIVE_SAFEARRAY:
11510 case MONO_NATIVE_IUNKNOWN:
11511 case MONO_NATIVE_IDISPATCH:
11512 case MONO_NATIVE_INTERFACE:
11513 case MONO_NATIVE_ASANY:
11514 case MONO_NATIVE_FUNC:
11515 case MONO_NATIVE_LPSTRUCT:
11516 *align = ALIGNMENT(gpointer);
11517 return sizeof (gpointer);
11518 case MONO_NATIVE_STRUCT:
11519 klass = mono_class_from_mono_type (type);
11520 if (klass == mono_defaults.object_class &&
11521 (mspec && mspec->native == MONO_NATIVE_STRUCT)) {
11525 return mono_class_native_size (klass, align);
11526 case MONO_NATIVE_BYVALTSTR: {
11527 int esize = unicode ? 2: 1;
11530 return mspec->data.array_data.num_elem * esize;
11532 case MONO_NATIVE_BYVALARRAY: {
11533 // FIXME: Have to consider ArraySubType
11535 klass = mono_class_from_mono_type (type);
11536 if (klass->element_class == mono_defaults.char_class) {
11537 esize = unicode ? 2 : 1;
11540 esize = mono_class_native_size (klass->element_class, align);
11543 return mspec->data.array_data.num_elem * esize;
11545 case MONO_NATIVE_CUSTOM:
11546 *align = sizeof (gpointer);
11547 return sizeof (gpointer);
11549 case MONO_NATIVE_CURRENCY:
11550 case MONO_NATIVE_VBBYREFSTR:
11552 g_error ("native type %02x not implemented", native_type);
11555 g_assert_not_reached ();
11560 mono_marshal_asany (MonoObject *o, MonoMarshalNative string_encoding, int param_attrs)
11568 t = &o->vtable->klass->byval_arg;
11572 case MONO_TYPE_PTR:
11575 case MONO_TYPE_BOOLEAN:
11578 case MONO_TYPE_CHAR:
11583 return mono_object_unbox (o);
11585 case MONO_TYPE_STRING:
11586 switch (string_encoding) {
11587 case MONO_NATIVE_LPWSTR:
11588 return mono_marshal_string_to_utf16_copy ((MonoString*)o);
11590 case MONO_NATIVE_LPSTR:
11591 return mono_string_to_lpstr ((MonoString*)o);
11594 g_warning ("marshaling conversion %d not implemented", string_encoding);
11595 g_assert_not_reached ();
11598 case MONO_TYPE_CLASS:
11599 case MONO_TYPE_VALUETYPE: {
11600 MonoMethod *method;
11603 MonoBoolean delete_old = FALSE;
11605 klass = t->data.klass;
11607 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT)
11610 if (klass->valuetype && (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
11611 klass->blittable || klass->enumtype))
11612 return mono_object_unbox (o);
11614 res = mono_marshal_alloc (mono_class_native_size (klass, NULL));
11616 if (!((param_attrs & PARAM_ATTRIBUTE_OUT) && !(param_attrs & PARAM_ATTRIBUTE_IN))) {
11617 method = mono_marshal_get_struct_to_ptr (o->vtable->klass);
11621 pa [2] = &delete_old;
11623 mono_runtime_invoke (method, NULL, pa, NULL);
11630 mono_raise_exception (mono_get_exception_argument ("", "No PInvoke conversion exists for value passed to Object-typed parameter."));
11636 mono_marshal_free_asany (MonoObject *o, gpointer ptr, MonoMarshalNative string_encoding, int param_attrs)
11644 t = &o->vtable->klass->byval_arg;
11646 case MONO_TYPE_STRING:
11647 switch (string_encoding) {
11648 case MONO_NATIVE_LPWSTR:
11649 case MONO_NATIVE_LPSTR:
11650 mono_marshal_free (ptr);
11653 g_warning ("marshaling conversion %d not implemented", string_encoding);
11654 g_assert_not_reached ();
11657 case MONO_TYPE_CLASS:
11658 case MONO_TYPE_VALUETYPE: {
11659 klass = t->data.klass;
11661 if (klass->valuetype && (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
11662 klass->blittable || klass->enumtype))
11665 if (param_attrs & PARAM_ATTRIBUTE_OUT) {
11666 MonoMethod *method = mono_marshal_get_ptr_to_struct (o->vtable->klass);
11672 mono_runtime_invoke (method, NULL, pa, NULL);
11675 if (!((param_attrs & PARAM_ATTRIBUTE_OUT) && !(param_attrs & PARAM_ATTRIBUTE_IN))) {
11676 mono_struct_delete_old (klass, ptr);
11679 mono_marshal_free (ptr);
11688 mono_marshal_get_generic_array_helper (MonoClass *class, MonoClass *iface, gchar *name, MonoMethod *method)
11690 MonoMethodSignature *sig, *csig;
11691 MonoMethodBuilder *mb;
11695 mb = mono_mb_new_no_dup_name (class, name, MONO_WRAPPER_MANAGED_TO_MANAGED);
11696 mb->method->slot = -1;
11698 mb->method->flags = METHOD_ATTRIBUTE_PRIVATE | METHOD_ATTRIBUTE_VIRTUAL |
11699 METHOD_ATTRIBUTE_NEW_SLOT | METHOD_ATTRIBUTE_HIDE_BY_SIG | METHOD_ATTRIBUTE_FINAL;
11701 sig = mono_method_signature (method);
11702 csig = signature_dup (method->klass->image, sig);
11703 csig->generic_param_count = 0;
11705 mono_mb_emit_ldarg (mb, 0);
11706 for (i = 0; i < csig->param_count; i++)
11707 mono_mb_emit_ldarg (mb, i + 1);
11708 mono_mb_emit_managed_call (mb, method, NULL);
11709 mono_mb_emit_byte (mb, CEE_RET);
11711 /* We can corlib internal methods */
11712 mb->skip_visibility = TRUE;
11714 res = mono_mb_create_method (mb, csig, csig->param_count + 16);
11722 * The mono_win32_compat_* functions are implementations of inline
11723 * Windows kernel32 APIs, which are DllImport-able under MS.NET,
11724 * although not exported by kernel32.
11726 * We map the appropiate kernel32 entries to these functions using
11727 * dllmaps declared in the global etc/mono/config.
11731 mono_win32_compat_CopyMemory (gpointer dest, gconstpointer source, gsize length)
11733 if (!dest || !source)
11736 memcpy (dest, source, length);
11740 mono_win32_compat_FillMemory (gpointer dest, gsize length, guchar fill)
11742 memset (dest, fill, length);
11746 mono_win32_compat_MoveMemory (gpointer dest, gconstpointer source, gsize length)
11748 if (!dest || !source)
11751 memmove (dest, source, length);
11755 mono_win32_compat_ZeroMemory (gpointer dest, gsize length)
11757 memset (dest, 0, length);
11761 mono_marshal_find_nonzero_bit_offset (guint8 *buf, int len, int *byte_offset, guint8 *bitmask)
11766 for (i = 0; i < len; ++i)
11770 g_assert (i < len);
11773 while (byte && !(byte & 1))
11775 g_assert (byte == 1);
11778 *bitmask = buf [i];
11782 mono_marshal_get_thunk_invoke_wrapper (MonoMethod *method)
11784 MonoMethodBuilder *mb;
11785 MonoMethodSignature *sig, *csig;
11786 MonoExceptionClause *clause;
11791 int i, param_count, sig_size, pos_leave;
11795 klass = method->klass;
11796 image = method->klass->image;
11797 cache = get_cache (&image->thunk_invoke_cache, mono_aligned_addr_hash, NULL);
11799 if ((res = mono_marshal_find_in_cache (cache, method)))
11802 sig = mono_method_signature (method);
11803 mb = mono_mb_new (klass, method->name, MONO_WRAPPER_NATIVE_TO_MANAGED);
11805 /* add "this" and exception param */
11806 param_count = sig->param_count + sig->hasthis + 1;
11808 /* dup & extend signature */
11809 csig = mono_metadata_signature_alloc (image, param_count);
11810 sig_size = MONO_SIZEOF_METHOD_SIGNATURE + sig->param_count * sizeof (MonoType *);
11811 memcpy (csig, sig, sig_size);
11812 csig->param_count = param_count;
11815 csig->call_convention = MONO_CALL_DEFAULT;
11817 if (sig->hasthis) {
11819 csig->params [0] = &klass->byval_arg;
11820 /* move params up by one */
11821 for (i = 0; i < sig->param_count; i++)
11822 csig->params [i + 1] = sig->params [i];
11825 /* setup exception param as byref+[out] */
11826 csig->params [param_count - 1] = mono_metadata_type_dup (image,
11827 &mono_defaults.exception_class->byval_arg);
11828 csig->params [param_count - 1]->byref = 1;
11829 csig->params [param_count - 1]->attrs = PARAM_ATTRIBUTE_OUT;
11831 /* convert struct return to object */
11832 if (MONO_TYPE_ISSTRUCT (sig->ret))
11833 csig->ret = &mono_defaults.object_class->byval_arg;
11835 /* local 0 (temp for exception object) */
11836 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
11838 /* local 1 (temp for result) */
11839 if (!MONO_TYPE_IS_VOID (sig->ret))
11840 mono_mb_add_local (mb, sig->ret);
11842 /* clear exception arg */
11843 mono_mb_emit_ldarg (mb, param_count - 1);
11844 mono_mb_emit_byte (mb, CEE_LDNULL);
11845 mono_mb_emit_byte (mb, CEE_STIND_REF);
11848 clause = mono_image_alloc0 (image, sizeof (MonoExceptionClause));
11849 clause->try_offset = mono_mb_get_label (mb);
11851 /* push method's args */
11852 for (i = 0; i < param_count - 1; i++) {
11856 mono_mb_emit_ldarg (mb, i);
11858 /* get the byval type of the param */
11859 klass = mono_class_from_mono_type (csig->params [i]);
11860 type = &klass->byval_arg;
11862 /* unbox struct args */
11863 if (MONO_TYPE_ISSTRUCT (type)) {
11864 mono_mb_emit_op (mb, CEE_UNBOX, klass);
11866 /* byref args & and the "this" arg must remain a ptr.
11867 Otherwise make a copy of the value type */
11868 if (!(csig->params [i]->byref || (i == 0 && sig->hasthis)))
11869 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
11871 csig->params [i] = &mono_defaults.object_class->byval_arg;
11876 if (method->flags & METHOD_ATTRIBUTE_VIRTUAL)
11877 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
11879 mono_mb_emit_op (mb, CEE_CALL, method);
11881 /* save result at local 1 */
11882 if (!MONO_TYPE_IS_VOID (sig->ret))
11883 mono_mb_emit_stloc (mb, 1);
11885 pos_leave = mono_mb_emit_branch (mb, CEE_LEAVE);
11888 clause->flags = MONO_EXCEPTION_CLAUSE_NONE;
11889 clause->try_len = mono_mb_get_pos (mb) - clause->try_offset;
11890 clause->data.catch_class = mono_defaults.object_class;
11892 clause->handler_offset = mono_mb_get_label (mb);
11894 /* store exception at local 0 */
11895 mono_mb_emit_stloc (mb, 0);
11896 mono_mb_emit_ldarg (mb, param_count - 1);
11897 mono_mb_emit_ldloc (mb, 0);
11898 mono_mb_emit_byte (mb, CEE_STIND_REF);
11899 mono_mb_emit_branch (mb, CEE_LEAVE);
11901 clause->handler_len = mono_mb_get_pos (mb) - clause->handler_offset;
11903 mono_mb_set_clauses (mb, 1, clause);
11905 mono_mb_patch_branch (mb, pos_leave);
11908 if (!MONO_TYPE_IS_VOID (sig->ret)) {
11909 mono_mb_emit_ldloc (mb, 1);
11911 /* box the return value */
11912 if (MONO_TYPE_ISSTRUCT (sig->ret))
11913 mono_mb_emit_op (mb, CEE_BOX, mono_class_from_mono_type (sig->ret));
11916 mono_mb_emit_byte (mb, CEE_RET);
11918 res = mono_mb_create_and_cache (cache, method, mb, csig, param_count + 16);
11925 * mono_marshal_free_dynamic_wrappers:
11927 * Free wrappers of the dynamic method METHOD.
11930 mono_marshal_free_dynamic_wrappers (MonoMethod *method)
11932 MonoImage *image = method->klass->image;
11934 g_assert (method->dynamic);
11936 /* This could be called during shutdown */
11937 if (marshal_mutex_initialized)
11938 mono_marshal_lock ();
11940 * FIXME: We currently leak the wrappers. Freeing them would be tricky as
11941 * they could be shared with other methods ?
11943 if (image->runtime_invoke_direct_cache)
11944 g_hash_table_remove (image->runtime_invoke_direct_cache, method);
11945 if (image->delegate_bound_static_invoke_cache)
11946 g_hash_table_foreach_remove (image->delegate_bound_static_invoke_cache, signature_method_pair_matches_method, method);
11947 if (image->delegate_abstract_invoke_cache)
11948 g_hash_table_foreach_remove (image->delegate_abstract_invoke_cache, signature_method_pair_matches_method, method);
11950 if (marshal_mutex_initialized)
11951 mono_marshal_unlock ();
11955 * mono_marshal_free_inflated_wrappers:
11957 * Free wrappers of the inflated method METHOD.
11961 signature_method_pair_matches_signature (gpointer key, gpointer value, gpointer user_data)
11963 SignatureMethodPair *pair = (SignatureMethodPair*)key;
11964 MonoMethodSignature *sig = (MonoMethodSignature*)user_data;
11966 return mono_metadata_signature_equal (pair->sig, sig);
11970 mono_marshal_free_inflated_wrappers (MonoMethod *method)
11972 MonoMethodSignature *sig = method->signature;
11974 g_assert (method->is_inflated);
11976 /* Ignore calls occuring late during cleanup. */
11977 if (!marshal_mutex_initialized)
11980 mono_marshal_lock ();
11982 * FIXME: We currently leak the wrappers. Freeing them would be tricky as
11983 * they could be shared with other methods ?
11987 * indexed by MonoMethodSignature
11989 /* FIXME: This could remove unrelated wrappers as well */
11990 if (sig && method->klass->image->delegate_begin_invoke_cache)
11991 g_hash_table_remove (method->klass->image->delegate_begin_invoke_cache, sig);
11992 if (sig && method->klass->image->delegate_end_invoke_cache)
11993 g_hash_table_remove (method->klass->image->delegate_end_invoke_cache, sig);
11994 if (sig && method->klass->image->delegate_invoke_cache)
11995 g_hash_table_remove (method->klass->image->delegate_invoke_cache, sig);
11996 if (sig && method->klass->image->runtime_invoke_cache)
11997 g_hash_table_remove (method->klass->image->runtime_invoke_cache, sig);
12000 * indexed by SignatureMethodPair
12002 if (sig && method->klass->image->delegate_abstract_invoke_cache)
12003 g_hash_table_foreach_remove (method->klass->image->delegate_abstract_invoke_cache,
12004 signature_method_pair_matches_signature, (gpointer)sig);
12006 if (sig && method->klass->image->delegate_bound_static_invoke_cache)
12007 g_hash_table_foreach_remove (method->klass->image->delegate_bound_static_invoke_cache,
12008 signature_method_pair_matches_signature, (gpointer)sig);
12011 * indexed by MonoMethod pointers
12013 if (method->klass->image->runtime_invoke_direct_cache)
12014 g_hash_table_remove (method->klass->image->runtime_invoke_direct_cache, method);
12015 if (method->klass->image->managed_wrapper_cache)
12016 g_hash_table_remove (method->klass->image->managed_wrapper_cache, method);
12017 if (method->klass->image->native_wrapper_cache)
12018 g_hash_table_remove (method->klass->image->native_wrapper_cache, method);
12019 if (method->klass->image->remoting_invoke_cache)
12020 g_hash_table_remove (method->klass->image->remoting_invoke_cache, method);
12021 if (method->klass->image->synchronized_cache)
12022 g_hash_table_remove (method->klass->image->synchronized_cache, method);
12023 if (method->klass->image->unbox_wrapper_cache)
12024 g_hash_table_remove (method->klass->image->unbox_wrapper_cache, method);
12025 if (method->klass->image->cominterop_invoke_cache)
12026 g_hash_table_remove (method->klass->image->cominterop_invoke_cache, method);
12027 if (method->klass->image->cominterop_wrapper_cache)
12028 g_hash_table_remove (method->klass->image->cominterop_wrapper_cache, method);
12029 if (method->klass->image->thunk_invoke_cache)
12030 g_hash_table_remove (method->klass->image->thunk_invoke_cache, method);
12032 mono_marshal_unlock ();