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, MonoObject **target_loc);
87 emit_struct_conv (MonoMethodBuilder *mb, MonoClass *klass, gboolean to_object);
90 mono_struct_delete_old (MonoClass *klass, char *ptr);
93 mono_marshal_string_to_utf16 (MonoString *s);
96 mono_marshal_string_to_utf16_copy (MonoString *s);
99 mono_string_to_lpstr (MonoString *string_obj);
101 static MonoStringBuilder *
102 mono_string_utf8_to_builder2 (char *text);
105 mono_byvalarray_to_array (MonoArray *arr, gpointer native_arr, MonoClass *eltype, guint32 elnum);
108 mono_array_to_byvalarray (gpointer native_arr, MonoArray *arr, MonoClass *eltype, guint32 elnum);
111 mono_remoting_wrapper (MonoMethod *method, gpointer *params);
113 static MonoAsyncResult *
114 mono_delegate_begin_invoke (MonoDelegate *delegate, gpointer *params);
117 mono_delegate_end_invoke (MonoDelegate *delegate, gpointer *params);
120 mono_marshal_xdomain_copy_value (MonoObject *val);
123 mono_marshal_xdomain_copy_out_value (MonoObject *src, MonoObject *dst);
126 mono_marshal_set_domain_by_id (gint32 id, MonoBoolean push);
129 mono_marshal_check_domain_image (gint32 domain_id, MonoImage *image);
132 mono_upgrade_remote_class_wrapper (MonoReflectionType *rtype, MonoTransparentProxy *tproxy);
134 static MonoReflectionType *
135 type_from_handle (MonoType *handle);
138 mono_marshal_set_last_error_windows (int error);
140 static void init_safe_handle (void);
142 static void runtime_invoke_reset_abort (MonoException *ex);
144 /* MonoMethod pointers to SafeHandle::DangerousAddRef and ::DangerousRelease */
145 static MonoMethod *sh_dangerous_add_ref;
146 static MonoMethod *sh_dangerous_release;
152 sh_dangerous_add_ref = mono_class_get_method_from_name (
153 mono_defaults.safehandle_class, "DangerousAddRef", 1);
154 sh_dangerous_release = mono_class_get_method_from_name (
155 mono_defaults.safehandle_class, "DangerousRelease", 0);
159 register_icall (gpointer func, const char *name, const char *sigstr, gboolean save)
161 MonoMethodSignature *sig = mono_create_icall_signature (sigstr);
163 mono_register_jit_icall (func, name, sig, save);
166 static MonoMethodSignature*
167 signature_dup (MonoImage *image, MonoMethodSignature *sig)
169 MonoMethodSignature *res;
172 res = mono_metadata_signature_alloc (image, sig->param_count);
173 sigsize = MONO_SIZEOF_METHOD_SIGNATURE + sig->param_count * sizeof (MonoType *);
174 memcpy (res, sig, sigsize);
180 mono_signature_no_pinvoke (MonoMethod *method)
182 MonoMethodSignature *sig = mono_method_signature (method);
184 sig = signature_dup (method->klass->image, sig);
185 sig->pinvoke = FALSE;
192 mono_marshal_init (void)
194 static gboolean module_initialized = FALSE;
196 if (!module_initialized) {
197 module_initialized = TRUE;
198 InitializeCriticalSection (&marshal_mutex);
199 marshal_mutex_initialized = TRUE;
200 last_error_tls_id = TlsAlloc ();
201 load_type_info_tls_id = TlsAlloc ();
203 register_icall (ves_icall_System_Threading_Thread_ResetAbort, "ves_icall_System_Threading_Thread_ResetAbort", "void", TRUE);
204 register_icall (mono_marshal_string_to_utf16, "mono_marshal_string_to_utf16", "ptr obj", FALSE);
205 register_icall (mono_marshal_string_to_utf16_copy, "mono_marshal_string_to_utf16_copy", "ptr obj", FALSE);
206 register_icall (mono_string_to_utf16, "mono_string_to_utf16", "ptr obj", FALSE);
207 register_icall (mono_string_from_utf16, "mono_string_from_utf16", "obj ptr", FALSE);
208 register_icall (mono_string_new_wrapper, "mono_string_new_wrapper", "obj ptr", FALSE);
209 register_icall (mono_string_to_utf8, "mono_string_to_utf8", "ptr obj", FALSE);
210 register_icall (mono_string_to_lpstr, "mono_string_to_lpstr", "ptr obj", FALSE);
211 register_icall (mono_string_to_ansibstr, "mono_string_to_ansibstr", "ptr object", FALSE);
212 register_icall (mono_string_builder_to_utf8, "mono_string_builder_to_utf8", "ptr object", FALSE);
213 register_icall (mono_string_builder_to_utf16, "mono_string_builder_to_utf16", "ptr object", FALSE);
214 register_icall (mono_array_to_savearray, "mono_array_to_savearray", "ptr object", FALSE);
215 register_icall (mono_array_to_lparray, "mono_array_to_lparray", "ptr object", FALSE);
216 register_icall (mono_free_lparray, "mono_free_lparray", "void object ptr", FALSE);
217 register_icall (mono_byvalarray_to_array, "mono_byvalarray_to_array", "void object ptr ptr int32", FALSE);
218 register_icall (mono_array_to_byvalarray, "mono_array_to_byvalarray", "void ptr object ptr int32", FALSE);
219 register_icall (mono_delegate_to_ftnptr, "mono_delegate_to_ftnptr", "ptr object", FALSE);
220 register_icall (mono_ftnptr_to_delegate, "mono_ftnptr_to_delegate", "object ptr ptr", FALSE);
221 register_icall (mono_marshal_asany, "mono_marshal_asany", "ptr object int32 int32", FALSE);
222 register_icall (mono_marshal_free_asany, "mono_marshal_free_asany", "void object ptr int32 int32", FALSE);
223 register_icall (mono_marshal_alloc, "mono_marshal_alloc", "ptr int32", FALSE);
224 register_icall (mono_marshal_free, "mono_marshal_free", "void ptr", FALSE);
225 register_icall (mono_marshal_set_last_error, "mono_marshal_set_last_error", "void", FALSE);
226 register_icall (mono_marshal_set_last_error_windows, "mono_marshal_set_last_error_windows", "void int32", FALSE);
227 register_icall (mono_string_utf8_to_builder, "mono_string_utf8_to_builder", "void ptr ptr", FALSE);
228 register_icall (mono_string_utf8_to_builder2, "mono_string_utf8_to_builder2", "object ptr", FALSE);
229 register_icall (mono_string_utf16_to_builder, "mono_string_utf16_to_builder", "void ptr ptr", FALSE);
230 register_icall (mono_marshal_free_array, "mono_marshal_free_array", "void ptr int32", FALSE);
231 register_icall (mono_string_to_byvalstr, "mono_string_to_byvalstr", "void ptr ptr int32", FALSE);
232 register_icall (mono_string_to_byvalwstr, "mono_string_to_byvalwstr", "void ptr ptr int32", FALSE);
233 register_icall (g_free, "g_free", "void ptr", FALSE);
234 register_icall (mono_object_isinst, "mono_object_isinst", "object object ptr", FALSE);
235 register_icall (mono_struct_delete_old, "mono_struct_delete_old", "void ptr ptr", FALSE);
236 register_icall (mono_remoting_wrapper, "mono_remoting_wrapper", "object ptr ptr", FALSE);
237 register_icall (mono_delegate_begin_invoke, "mono_delegate_begin_invoke", "object object ptr", FALSE);
238 register_icall (mono_delegate_end_invoke, "mono_delegate_end_invoke", "object object ptr", FALSE);
239 register_icall (mono_marshal_xdomain_copy_value, "mono_marshal_xdomain_copy_value", "object object", FALSE);
240 register_icall (mono_marshal_xdomain_copy_out_value, "mono_marshal_xdomain_copy_out_value", "void object object", FALSE);
241 register_icall (mono_marshal_set_domain_by_id, "mono_marshal_set_domain_by_id", "int32 int32 int32", FALSE);
242 register_icall (mono_marshal_check_domain_image, "mono_marshal_check_domain_image", "int32 int32 ptr", FALSE);
243 register_icall (mono_compile_method, "mono_compile_method", "ptr ptr", FALSE);
244 register_icall (mono_context_get, "mono_context_get", "object", FALSE);
245 register_icall (mono_context_set, "mono_context_set", "void object", FALSE);
246 register_icall (mono_upgrade_remote_class_wrapper, "mono_upgrade_remote_class_wrapper", "void object object", FALSE);
247 register_icall (type_from_handle, "type_from_handle", "object ptr", FALSE);
248 register_icall (mono_gc_wbarrier_generic_nostore, "wb_generic", "void ptr", FALSE);
249 register_icall (runtime_invoke_reset_abort, "runtime_invoke_reset_abort", "void object", FALSE);
251 mono_cominterop_init ();
256 mono_marshal_cleanup (void)
258 mono_cominterop_cleanup ();
260 TlsFree (load_type_info_tls_id);
261 TlsFree (last_error_tls_id);
262 DeleteCriticalSection (&marshal_mutex);
263 marshal_mutex_initialized = FALSE;
266 MonoClass *byte_array_class;
267 static MonoMethod *method_rs_serialize, *method_rs_deserialize, *method_exc_fixexc, *method_rs_appdomain_target;
268 static MonoMethod *method_set_context, *method_get_context;
269 static MonoMethod *method_set_call_context, *method_needs_context_sink, *method_rs_serialize_exc;
272 mono_remoting_marshal_init (void)
276 static gboolean module_initialized = FALSE;
278 if (!module_initialized) {
279 klass = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting", "RemotingServices");
280 method_rs_serialize = mono_class_get_method_from_name (klass, "SerializeCallData", -1);
281 method_rs_deserialize = mono_class_get_method_from_name (klass, "DeserializeCallData", -1);
282 method_rs_serialize_exc = mono_class_get_method_from_name (klass, "SerializeExceptionData", -1);
284 klass = mono_defaults.real_proxy_class;
285 method_rs_appdomain_target = mono_class_get_method_from_name (klass, "GetAppDomainTarget", -1);
287 klass = mono_defaults.exception_class;
288 method_exc_fixexc = mono_class_get_method_from_name (klass, "FixRemotingException", -1);
290 klass = mono_defaults.thread_class;
291 method_get_context = mono_class_get_method_from_name (klass, "get_CurrentContext", -1);
293 klass = mono_defaults.appdomain_class;
294 method_set_context = mono_class_get_method_from_name (klass, "InternalSetContext", -1);
295 byte_array_class = mono_array_class_get (mono_defaults.byte_class, 1);
297 klass = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting.Messaging", "CallContext");
298 method_set_call_context = mono_class_get_method_from_name (klass, "SetCurrentCallContext", -1);
300 klass = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting.Contexts", "Context");
301 method_needs_context_sink = mono_class_get_method_from_name (klass, "get_NeedsContextSink", -1);
303 module_initialized = TRUE;
308 mono_delegate_to_ftnptr (MonoDelegate *delegate)
310 MonoMethod *method, *wrapper;
312 MonoObject **target_loc;
317 if (delegate->delegate_trampoline)
318 return delegate->delegate_trampoline;
320 klass = ((MonoObject *)delegate)->vtable->klass;
321 g_assert (klass->delegate);
323 method = delegate->method;
325 if (mono_method_signature (method)->pinvoke) {
326 const char *exc_class, *exc_arg;
329 ftnptr = mono_lookup_pinvoke_call (method, &exc_class, &exc_arg);
331 g_assert (exc_class);
332 mono_raise_exception (mono_exception_from_name_msg (mono_defaults.corlib, "System", exc_class, exc_arg));
337 if (delegate->target) {
338 /* Produce a location which can be embedded in JITted code */
339 target_loc = mono_gc_alloc_fixed (sizeof (MonoObject*), NULL);
340 *target_loc = delegate->target;
345 wrapper = mono_marshal_get_managed_wrapper (method, klass, target_loc);
347 delegate->delegate_trampoline = mono_compile_method (wrapper);
349 // Add the delegate to the delegate hash table
350 delegate_hash_table_add (delegate, target_loc);
352 /* when the object is collected, collect the dynamic method, too */
353 mono_object_register_finalizer ((MonoObject*)delegate);
355 return delegate->delegate_trampoline;
359 * this hash table maps from a delegate trampoline object to a weak reference
360 * of the delegate. As an optimizations with a non-moving GC we store the
361 * object pointer itself, otherwise we use a GC handle.
363 static GHashTable *delegate_hash_table;
364 /* Contains root locations pointing to the this arguments of delegates */
365 static MonoGHashTable *delegate_target_locations;
368 delegate_hash_table_new (void) {
369 return g_hash_table_new (NULL, NULL);
373 delegate_hash_table_remove (MonoDelegate *d)
375 MonoObject **target_loc;
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 if (delegate_target_locations)
387 target_loc = mono_g_hash_table_lookup (delegate_target_locations, d->delegate_trampoline);
391 mono_g_hash_table_remove (delegate_target_locations, d->delegate_trampoline);
392 mono_marshal_unlock ();
394 mono_gc_free_fixed (target_loc);
396 #ifdef HAVE_MOVING_COLLECTOR
397 mono_gchandle_free (gchandle);
402 delegate_hash_table_add (MonoDelegate *d, MonoObject **target_loc)
404 #ifdef HAVE_MOVING_COLLECTOR
405 guint32 gchandle = mono_gchandle_new_weakref ((MonoObject*)d, FALSE);
406 guint32 old_gchandle;
408 mono_marshal_lock ();
409 if (delegate_hash_table == NULL)
410 delegate_hash_table = delegate_hash_table_new ();
411 if (delegate_target_locations == NULL) {
412 /* Has to be conservative as the values are not object references */
413 delegate_target_locations = mono_g_hash_table_new_type (NULL, NULL, MONO_HASH_CONSERVATIVE_GC);
414 MONO_GC_REGISTER_ROOT (delegate_target_locations);
416 #ifdef HAVE_MOVING_COLLECTOR
417 old_gchandle = GPOINTER_TO_UINT (g_hash_table_lookup (delegate_hash_table, d->delegate_trampoline));
418 g_hash_table_insert (delegate_hash_table, d->delegate_trampoline, GUINT_TO_POINTER (gchandle));
420 mono_gchandle_free (old_gchandle);
422 g_hash_table_insert (delegate_hash_table, d->delegate_trampoline, d);
425 /* This keeps target_loc alive for Boehm */
426 mono_g_hash_table_insert (delegate_target_locations, d->delegate_trampoline, target_loc);
427 mono_marshal_unlock ();
431 mono_ftnptr_to_delegate (MonoClass *klass, gpointer ftn)
433 #ifdef HAVE_MOVING_COLLECTOR
441 mono_marshal_lock ();
442 if (delegate_hash_table == NULL)
443 delegate_hash_table = delegate_hash_table_new ();
445 #ifdef HAVE_MOVING_COLLECTOR
446 gchandle = GPOINTER_TO_UINT (g_hash_table_lookup (delegate_hash_table, ftn));
447 mono_marshal_unlock ();
449 d = (MonoDelegate*)mono_gchandle_get_target (gchandle);
453 d = g_hash_table_lookup (delegate_hash_table, ftn);
454 mono_marshal_unlock ();
457 /* This is a native function, so construct a delegate for it */
458 static MonoClass *UnmanagedFunctionPointerAttribute;
459 MonoMethodSignature *sig;
461 MonoMarshalSpec **mspecs;
462 MonoCustomAttrInfo *cinfo;
463 MonoReflectionUnmanagedFunctionPointerAttribute *attr;
464 MonoMethod *invoke = mono_get_delegate_invoke (klass);
465 MonoMethodPInvoke piinfo;
468 memset (&piinfo, 0, sizeof (piinfo));
469 if (!UnmanagedFunctionPointerAttribute)
470 UnmanagedFunctionPointerAttribute = mono_class_from_name (mono_defaults.corlib, "System.Runtime.InteropServices", "UnmanagedFunctionPointerAttribute");
472 /* The attribute is only available in Net 2.0 */
473 if (UnmanagedFunctionPointerAttribute) {
475 * The pinvoke attributes are stored in a real custom attribute so we have to
478 cinfo = mono_custom_attrs_from_class (klass);
480 attr = (MonoReflectionUnmanagedFunctionPointerAttribute*)mono_custom_attrs_get_attr (cinfo, UnmanagedFunctionPointerAttribute);
482 piinfo.piflags = (attr->call_conv << 8) | (attr->charset ? (attr->charset - 1) * 2 : 1) | attr->set_last_error;
485 mono_custom_attrs_free (cinfo);
489 mspecs = g_new0 (MonoMarshalSpec*, mono_method_signature (invoke)->param_count + 1);
490 mono_method_get_marshal_info (invoke, mspecs);
491 /* Freed below so don't alloc from mempool */
492 sig = mono_metadata_signature_dup (mono_method_signature (invoke));
495 wrapper = mono_marshal_get_native_func_wrapper (klass->image, sig, &piinfo, mspecs, ftn);
497 for (i = mono_method_signature (invoke)->param_count; i >= 0; i--)
499 mono_metadata_free_marshal_spec (mspecs [i]);
503 d = (MonoDelegate*)mono_object_new (mono_domain_get (), klass);
504 mono_delegate_ctor_with_method ((MonoObject*)d, NULL, mono_compile_method (wrapper), wrapper);
507 if (d->object.vtable->domain != mono_domain_get ())
508 mono_raise_exception (mono_get_exception_not_supported ("Delegates cannot be marshalled from native code into a domain other than their home domain"));
514 mono_delegate_free_ftnptr (MonoDelegate *delegate)
519 delegate_hash_table_remove (delegate);
521 ptr = (gpointer)InterlockedExchangePointer (&delegate->delegate_trampoline, NULL);
523 if (!delegate->target) {
524 /* The wrapper method is shared between delegates -> no need to free it */
529 ji = mono_jit_info_table_find (mono_domain_get (), mono_get_addr_from_ftnptr (ptr));
532 mono_runtime_free_method (mono_object_domain (delegate), ji->method);
537 mono_array_to_savearray (MonoArray *array)
542 g_assert_not_reached ();
547 mono_array_to_lparray (MonoArray *array)
549 gpointer *nativeArray = NULL;
550 int nativeArraySize = 0;
559 klass = array->obj.vtable->klass;
561 switch (klass->element_class->byval_arg.type) {
563 g_assert_not_reached ();
565 case MONO_TYPE_CLASS:
566 nativeArraySize = array->max_length;
567 nativeArray = malloc(sizeof(gpointer) * nativeArraySize);
568 for(i = 0; i < nativeArraySize; ++i)
569 nativeArray[i] = ves_icall_System_Runtime_InteropServices_Marshal_GetIUnknownForObjectInternal(((gpointer*)array->vector)[i]);
572 case MONO_TYPE_BOOLEAN:
585 case MONO_TYPE_VALUETYPE:
588 case MONO_TYPE_GENERICINST:
590 case MONO_TYPE_OBJECT:
591 case MONO_TYPE_ARRAY:
592 case MONO_TYPE_SZARRAY:
593 case MONO_TYPE_STRING:
595 g_warning ("type 0x%x not handled", klass->element_class->byval_arg.type);
596 g_assert_not_reached ();
599 return array->vector;
603 mono_free_lparray (MonoArray *array, gpointer* nativeArray)
614 klass = array->obj.vtable->klass;
616 switch (klass->element_class->byval_arg.type) {
617 case MONO_TYPE_CLASS:
618 for(i = 0; i < array->max_length; ++i)
619 mono_marshal_free_ccw(nativeArray[i]);
627 mono_byvalarray_to_array (MonoArray *arr, gpointer native_arr, MonoClass *elclass, guint32 elnum)
629 g_assert (arr->obj.vtable->klass->element_class == mono_defaults.char_class);
631 if (elclass == mono_defaults.byte_class) {
632 GError *error = NULL;
636 ut = g_utf8_to_utf16 (native_arr, elnum, NULL, &items_written, &error);
639 memcpy (mono_array_addr (arr, guint16, 0), ut, items_written * sizeof (guint16));
643 g_error_free (error);
646 g_assert_not_reached ();
650 mono_array_to_byvalarray (gpointer native_arr, MonoArray *arr, MonoClass *elclass, guint32 elnum)
652 g_assert (arr->obj.vtable->klass->element_class == mono_defaults.char_class);
654 if (elclass == mono_defaults.byte_class) {
656 GError *error = NULL;
658 as = g_utf16_to_utf8 (mono_array_addr (arr, gunichar2, 0), mono_array_length (arr), NULL, NULL, &error);
660 MonoException *exc = mono_get_exception_argument ("string", error->message);
661 g_error_free (error);
662 mono_raise_exception (exc);
665 memcpy (native_arr, as, MIN (strlen (as), elnum));
668 g_assert_not_reached ();
673 mono_string_utf8_to_builder (MonoStringBuilder *sb, char *text)
675 GError *error = NULL;
685 ut = g_utf8_to_utf16 (text, l, NULL, &items_written, &error);
687 if (items_written > mono_stringbuilder_capacity (sb))
688 items_written = mono_stringbuilder_capacity (sb);
691 if (! sb->str || sb->str == sb->cached_str) {
692 MONO_OBJECT_SETREF (sb, str, mono_string_new_size (mono_domain_get (), items_written));
693 sb->cached_str = NULL;
696 memcpy (mono_string_chars (sb->str), ut, items_written * 2);
697 sb->length = items_written;
699 g_error_free (error);
705 mono_string_utf8_to_builder2 (char *text)
708 MonoStringBuilder *sb;
709 static MonoClass *string_builder_class;
710 static MonoMethod *sb_ctor;
717 if (!string_builder_class) {
718 MonoMethodDesc *desc;
720 string_builder_class = mono_class_from_name (mono_defaults.corlib, "System.Text", "StringBuilder");
721 g_assert (string_builder_class);
722 desc = mono_method_desc_new (":.ctor(int)", FALSE);
723 sb_ctor = mono_method_desc_search_in_class (desc, string_builder_class);
725 mono_method_desc_free (desc);
730 sb = (MonoStringBuilder*)mono_object_new (mono_domain_get (), string_builder_class);
733 mono_runtime_invoke (sb_ctor, sb, args, &exc);
736 mono_string_utf8_to_builder (sb, text);
742 * FIXME: This routine does not seem to do what it seems to do
743 * the @text is never copied into the string builder
746 mono_string_utf16_to_builder (MonoStringBuilder *sb, gunichar2 *text)
753 g_assert (mono_string_chars (sb->str) == text);
755 for (len = 0; text [len] != 0; ++len)
762 * mono_string_builder_to_utf8:
763 * @sb: the string builder
765 * Converts to utf8 the contents of the MonoStringBuilder.
767 * Returns: a utf8 string with the contents of the StringBuilder.
769 * The return value must be released with g_free.
772 mono_string_builder_to_utf8 (MonoStringBuilder *sb)
774 GError *error = NULL;
775 gchar *tmp, *res = NULL;
780 if ((sb->str == sb->cached_str) && (sb->str->length == 0)) {
782 * The sb could have been allocated with the default capacity and be empty.
783 * we need to alloc a buffer of the default capacity in this case.
785 MONO_OBJECT_SETREF (sb, str, mono_string_new_size (mono_domain_get (), 16));
786 sb->cached_str = NULL;
789 tmp = g_utf16_to_utf8 (mono_string_chars (sb->str), sb->length, NULL, NULL, &error);
791 g_error_free (error);
792 mono_raise_exception (mono_get_exception_execution_engine ("Failed to convert StringBuilder from utf16 to utf8"));
794 res = mono_marshal_alloc (mono_stringbuilder_capacity (sb) + 1);
795 memcpy (res, tmp, sb->length + 1);
803 * mono_string_builder_to_utf16:
804 * @sb: the string builder
806 * Converts to utf16 the contents of the MonoStringBuilder.
808 * Returns: a utf16 string with the contents of the StringBuilder.
810 * The return value must not be freed.
813 mono_string_builder_to_utf16 (MonoStringBuilder *sb)
821 * The stringbuilder might not have ownership of this string. If this is
822 * the case, we must duplicate the string, so that we don't munge immutable
825 if (sb->str == sb->cached_str) {
827 * The sb could have been allocated with the default capacity and be empty.
828 * we need to alloc a buffer of the default capacity in this case.
830 if (sb->str->length == 0)
831 MONO_OBJECT_SETREF (sb, str, mono_string_new_size (mono_domain_get (), 16));
833 MONO_OBJECT_SETREF (sb, str, mono_string_new_utf16 (mono_domain_get (), mono_string_chars (sb->str), mono_stringbuilder_capacity (sb)));
834 sb->cached_str = NULL;
837 return mono_string_chars (sb->str);
841 mono_string_to_lpstr (MonoString *s)
843 #ifdef PLATFORM_WIN32
846 GError *error = NULL;
852 as = CoTaskMemAlloc (1);
857 tmp = g_utf16_to_utf8 (mono_string_chars (s), s->length, NULL, &len, &error);
859 MonoException *exc = mono_get_exception_argument ("string", error->message);
860 g_error_free (error);
861 mono_raise_exception(exc);
864 as = CoTaskMemAlloc (len + 1);
865 memcpy (as, tmp, len + 1);
870 return mono_string_to_utf8 (s);
875 mono_string_to_ansibstr (MonoString *string_obj)
877 g_error ("UnmanagedMarshal.BStr is not implemented.");
882 * mono_string_to_byvalstr:
883 * @dst: Where to store the null-terminated utf8 decoded string.
884 * @src: the MonoString to copy.
885 * @size: the maximum number of bytes to copy.
887 * Copies the MonoString pointed to by @src as a utf8 string
888 * into @dst, it copies at most @size bytes into the destination.
891 mono_string_to_byvalstr (gpointer dst, MonoString *src, int size)
896 g_assert (dst != NULL);
899 memset (dst, 0, size);
903 s = mono_string_to_utf8 (src);
904 len = MIN (size, strlen (s));
907 memcpy (dst, s, len);
912 * mono_string_to_byvalwstr:
913 * @dst: Where to store the null-terminated utf16 decoded string.
914 * @src: the MonoString to copy.
915 * @size: the maximum number of bytes to copy.
917 * Copies the MonoString pointed to by @src as a utf16 string into
918 * @dst, it copies at most @size bytes into the destination (including
919 * a terminating 16-bit zero terminator).
922 mono_string_to_byvalwstr (gpointer dst, MonoString *src, int size)
926 g_assert (dst != NULL);
930 memset (dst, 0, size * 2);
934 len = MIN (size, (mono_string_length (src)));
935 memcpy (dst, mono_string_chars (src), size * 2);
936 if (size <= mono_string_length (src))
938 *((gunichar2 *) dst + len) = 0;
942 mono_mb_emit_proxy_check (MonoMethodBuilder *mb, int branch_code)
945 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
946 mono_mb_emit_byte (mb, CEE_LDIND_I);
947 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoVTable, klass));
948 mono_mb_emit_byte (mb, CEE_ADD);
949 mono_mb_emit_byte (mb, CEE_LDIND_I);
950 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
951 mono_mb_emit_byte (mb, CEE_MONO_CLASSCONST);
952 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_defaults.transparent_proxy_class));
953 pos = mono_mb_emit_branch (mb, branch_code);
958 mono_mb_emit_xdomain_check (MonoMethodBuilder *mb, int branch_code)
961 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
962 mono_mb_emit_byte (mb, CEE_LDIND_REF);
963 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoRealProxy, target_domain_id));
964 mono_mb_emit_byte (mb, CEE_LDIND_I4);
965 mono_mb_emit_icon (mb, -1);
966 pos = mono_mb_emit_branch (mb, branch_code);
971 mono_mb_emit_contextbound_check (MonoMethodBuilder *mb, int branch_code)
973 static int offset = -1;
977 mono_marshal_find_bitfield_offset (MonoClass, contextbound, &offset, &mask);
979 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, remote_class));
980 mono_mb_emit_byte (mb, CEE_LDIND_REF);
981 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoRemoteClass, proxy_class));
982 mono_mb_emit_byte (mb, CEE_LDIND_REF);
983 mono_mb_emit_ldflda (mb, offset);
984 mono_mb_emit_byte (mb, CEE_LDIND_U1);
985 mono_mb_emit_icon (mb, mask);
986 mono_mb_emit_byte (mb, CEE_AND);
987 mono_mb_emit_icon (mb, 0);
988 return mono_mb_emit_branch (mb, branch_code);
992 mono_mb_emit_exception_marshal_directive (MonoMethodBuilder *mb, const char *msg)
994 mono_mb_emit_exception_full (mb, "System.Runtime.InteropServices", "MarshalDirectiveException", msg);
998 mono_type_to_ldind (MonoType *type)
1004 switch (type->type) {
1006 return CEE_LDIND_I1;
1008 case MONO_TYPE_BOOLEAN:
1009 return CEE_LDIND_U1;
1011 return CEE_LDIND_I2;
1013 case MONO_TYPE_CHAR:
1014 return CEE_LDIND_U2;
1016 return CEE_LDIND_I4;
1018 return CEE_LDIND_U4;
1022 case MONO_TYPE_FNPTR:
1024 case MONO_TYPE_CLASS:
1025 case MONO_TYPE_STRING:
1026 case MONO_TYPE_OBJECT:
1027 case MONO_TYPE_SZARRAY:
1028 case MONO_TYPE_ARRAY:
1029 return CEE_LDIND_REF;
1032 return CEE_LDIND_I8;
1034 return CEE_LDIND_R4;
1036 return CEE_LDIND_R8;
1037 case MONO_TYPE_VALUETYPE:
1038 if (type->data.klass->enumtype) {
1039 type = mono_class_enum_basetype (type->data.klass);
1043 case MONO_TYPE_TYPEDBYREF:
1045 case MONO_TYPE_GENERICINST:
1046 type = &type->data.generic_class->container_class->byval_arg;
1049 g_error ("unknown type 0x%02x in type_to_ldind", type->type);
1055 mono_type_to_stind (MonoType *type)
1061 switch (type->type) {
1064 case MONO_TYPE_BOOLEAN:
1065 return CEE_STIND_I1;
1068 case MONO_TYPE_CHAR:
1069 return CEE_STIND_I2;
1072 return CEE_STIND_I4;
1076 case MONO_TYPE_FNPTR:
1078 case MONO_TYPE_CLASS:
1079 case MONO_TYPE_STRING:
1080 case MONO_TYPE_OBJECT:
1081 case MONO_TYPE_SZARRAY:
1082 case MONO_TYPE_ARRAY:
1083 return CEE_STIND_REF;
1086 return CEE_STIND_I8;
1088 return CEE_STIND_R4;
1090 return CEE_STIND_R8;
1091 case MONO_TYPE_VALUETYPE:
1092 if (type->data.klass->enumtype) {
1093 type = mono_class_enum_basetype (type->data.klass);
1097 case MONO_TYPE_TYPEDBYREF:
1099 case MONO_TYPE_GENERICINST:
1100 type = &type->data.generic_class->container_class->byval_arg;
1103 g_error ("unknown type 0x%02x in type_to_stind", type->type);
1109 emit_ptr_to_object_conv (MonoMethodBuilder *mb, MonoType *type, MonoMarshalConv conv, MonoMarshalSpec *mspec)
1112 case MONO_MARSHAL_CONV_BOOL_I4:
1113 mono_mb_emit_ldloc (mb, 1);
1114 mono_mb_emit_ldloc (mb, 0);
1115 mono_mb_emit_byte (mb, CEE_LDIND_I4);
1116 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
1117 mono_mb_emit_byte (mb, 3);
1118 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
1119 mono_mb_emit_byte (mb, CEE_BR_S);
1120 mono_mb_emit_byte (mb, 1);
1121 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
1122 mono_mb_emit_byte (mb, CEE_STIND_I1);
1124 case MONO_MARSHAL_CONV_BOOL_VARIANTBOOL:
1125 mono_mb_emit_ldloc (mb, 1);
1126 mono_mb_emit_ldloc (mb, 0);
1127 mono_mb_emit_byte (mb, CEE_LDIND_I2);
1128 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
1129 mono_mb_emit_byte (mb, 3);
1130 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
1131 mono_mb_emit_byte (mb, CEE_BR_S);
1132 mono_mb_emit_byte (mb, 1);
1133 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
1134 mono_mb_emit_byte (mb, CEE_STIND_I1);
1136 case MONO_MARSHAL_CONV_ARRAY_BYVALARRAY: {
1137 MonoClass *eklass = NULL;
1140 if (type->type == MONO_TYPE_SZARRAY) {
1141 eklass = type->data.klass;
1143 g_assert_not_reached ();
1146 esize = mono_class_native_size (eklass, NULL);
1148 /* create a new array */
1149 mono_mb_emit_ldloc (mb, 1);
1150 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1151 mono_mb_emit_op (mb, CEE_NEWARR, eklass);
1152 mono_mb_emit_byte (mb, CEE_STIND_I);
1154 if (eklass->blittable) {
1155 /* copy the elements */
1156 mono_mb_emit_ldloc (mb, 1);
1157 mono_mb_emit_byte (mb, CEE_LDIND_I);
1158 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArray, vector));
1159 mono_mb_emit_byte (mb, CEE_ADD);
1160 mono_mb_emit_ldloc (mb, 0);
1161 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem * esize);
1162 mono_mb_emit_byte (mb, CEE_PREFIX1);
1163 mono_mb_emit_byte (mb, CEE_CPBLK);
1166 int array_var, src_var, dst_var, index_var;
1167 guint32 label2, label3;
1169 array_var = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
1170 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1171 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1174 mono_mb_emit_ldloc (mb, 1);
1175 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1176 mono_mb_emit_stloc (mb, array_var);
1178 /* save the old src pointer */
1179 mono_mb_emit_ldloc (mb, 0);
1180 mono_mb_emit_stloc (mb, src_var);
1181 /* save the old dst pointer */
1182 mono_mb_emit_ldloc (mb, 1);
1183 mono_mb_emit_stloc (mb, dst_var);
1185 /* Emit marshalling loop */
1186 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1187 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
1188 mono_mb_emit_stloc (mb, index_var);
1191 label2 = mono_mb_get_label (mb);
1192 mono_mb_emit_ldloc (mb, index_var);
1193 mono_mb_emit_ldloc (mb, array_var);
1194 mono_mb_emit_byte (mb, CEE_LDLEN);
1195 label3 = mono_mb_emit_branch (mb, CEE_BGE);
1197 /* src is already set */
1200 mono_mb_emit_ldloc (mb, array_var);
1201 mono_mb_emit_ldloc (mb, index_var);
1202 mono_mb_emit_op (mb, CEE_LDELEMA, eklass);
1203 mono_mb_emit_stloc (mb, 1);
1205 /* Do the conversion */
1206 emit_struct_conv (mb, eklass, TRUE);
1209 mono_mb_emit_add_to_local (mb, index_var, 1);
1211 mono_mb_emit_branch_label (mb, CEE_BR, label2);
1213 mono_mb_patch_branch (mb, label3);
1215 /* restore the old src pointer */
1216 mono_mb_emit_ldloc (mb, src_var);
1217 mono_mb_emit_stloc (mb, 0);
1218 /* restore the old dst pointer */
1219 mono_mb_emit_ldloc (mb, dst_var);
1220 mono_mb_emit_stloc (mb, 1);
1224 case MONO_MARSHAL_CONV_ARRAY_BYVALCHARARRAY: {
1225 MonoClass *eclass = mono_defaults.char_class;
1227 /* create a new array */
1228 mono_mb_emit_ldloc (mb, 1);
1229 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1230 mono_mb_emit_op (mb, CEE_NEWARR, eclass);
1231 mono_mb_emit_byte (mb, CEE_STIND_REF);
1233 mono_mb_emit_ldloc (mb, 1);
1234 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1235 mono_mb_emit_ldloc (mb, 0);
1236 mono_mb_emit_ptr (mb, mono_defaults.byte_class);
1237 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1238 mono_mb_emit_icall (mb, mono_byvalarray_to_array);
1241 case MONO_MARSHAL_CONV_STR_BYVALSTR:
1242 mono_mb_emit_ldloc (mb, 1);
1243 mono_mb_emit_ldloc (mb, 0);
1244 mono_mb_emit_icall (mb, mono_string_new_wrapper);
1245 mono_mb_emit_byte (mb, CEE_STIND_REF);
1247 case MONO_MARSHAL_CONV_STR_BYVALWSTR:
1248 mono_mb_emit_ldloc (mb, 1);
1249 mono_mb_emit_ldloc (mb, 0);
1250 mono_mb_emit_icall (mb, mono_string_from_utf16);
1251 mono_mb_emit_byte (mb, CEE_STIND_REF);
1253 case MONO_MARSHAL_CONV_STR_LPTSTR:
1254 mono_mb_emit_ldloc (mb, 1);
1255 mono_mb_emit_ldloc (mb, 0);
1256 mono_mb_emit_byte (mb, CEE_LDIND_I);
1257 #ifdef PLATFORM_WIN32
1258 mono_mb_emit_icall (mb, mono_string_from_utf16);
1260 mono_mb_emit_icall (mb, mono_string_new_wrapper);
1262 mono_mb_emit_byte (mb, CEE_STIND_REF);
1264 case MONO_MARSHAL_CONV_STR_LPSTR:
1265 mono_mb_emit_ldloc (mb, 1);
1266 mono_mb_emit_ldloc (mb, 0);
1267 mono_mb_emit_byte (mb, CEE_LDIND_I);
1268 mono_mb_emit_icall (mb, mono_string_new_wrapper);
1269 mono_mb_emit_byte (mb, CEE_STIND_REF);
1271 case MONO_MARSHAL_CONV_STR_LPWSTR:
1272 mono_mb_emit_ldloc (mb, 1);
1273 mono_mb_emit_ldloc (mb, 0);
1274 mono_mb_emit_byte (mb, CEE_LDIND_I);
1275 mono_mb_emit_icall (mb, mono_string_from_utf16);
1276 mono_mb_emit_byte (mb, CEE_STIND_REF);
1278 case MONO_MARSHAL_CONV_OBJECT_STRUCT: {
1279 MonoClass *klass = mono_class_from_mono_type (type);
1280 int src_var, dst_var;
1282 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1283 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1285 /* *dst = new object */
1286 mono_mb_emit_ldloc (mb, 1);
1287 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1288 mono_mb_emit_op (mb, CEE_MONO_NEWOBJ, klass);
1289 mono_mb_emit_byte (mb, CEE_STIND_REF);
1291 /* save the old src pointer */
1292 mono_mb_emit_ldloc (mb, 0);
1293 mono_mb_emit_stloc (mb, src_var);
1294 /* save the old dst pointer */
1295 mono_mb_emit_ldloc (mb, 1);
1296 mono_mb_emit_stloc (mb, dst_var);
1298 /* dst = pointer to newly created object data */
1299 mono_mb_emit_ldloc (mb, 1);
1300 mono_mb_emit_byte (mb, CEE_LDIND_I);
1301 mono_mb_emit_icon (mb, sizeof (MonoObject));
1302 mono_mb_emit_byte (mb, CEE_ADD);
1303 mono_mb_emit_stloc (mb, 1);
1305 emit_struct_conv (mb, klass, TRUE);
1307 /* restore the old src pointer */
1308 mono_mb_emit_ldloc (mb, src_var);
1309 mono_mb_emit_stloc (mb, 0);
1310 /* restore the old dst pointer */
1311 mono_mb_emit_ldloc (mb, dst_var);
1312 mono_mb_emit_stloc (mb, 1);
1315 case MONO_MARSHAL_CONV_DEL_FTN: {
1316 MonoClass *klass = mono_class_from_mono_type (type);
1318 mono_mb_emit_ldloc (mb, 1);
1319 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1320 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
1321 mono_mb_emit_ldloc (mb, 0);
1322 mono_mb_emit_byte (mb, CEE_LDIND_I);
1323 mono_mb_emit_icall (mb, mono_ftnptr_to_delegate);
1324 mono_mb_emit_byte (mb, CEE_STIND_REF);
1327 case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
1328 g_error ("Structure field of type %s can't be marshalled as LPArray", mono_class_from_mono_type (type)->name);
1332 case MONO_MARSHAL_CONV_OBJECT_INTERFACE:
1333 case MONO_MARSHAL_CONV_OBJECT_IUNKNOWN:
1334 case MONO_MARSHAL_CONV_OBJECT_IDISPATCH:
1335 mono_cominterop_emit_ptr_to_object_conv (mb, type, conv, mspec);
1337 #endif /* DISABLE_COM */
1339 case MONO_MARSHAL_CONV_SAFEHANDLE: {
1341 * Passing SafeHandles as ref does not allow the unmanaged code
1342 * to change the SafeHandle value. If the value is changed,
1343 * we should issue a diagnostic exception (NotSupportedException)
1344 * that informs the user that changes to handles in unmanaged code
1347 * Since we currently have no access to the original
1348 * SafeHandle that was used during the marshalling,
1349 * for now we just ignore this, and ignore/discard any
1350 * changes that might have happened to the handle.
1355 case MONO_MARSHAL_CONV_HANDLEREF: {
1357 * Passing HandleRefs in a struct that is ref()ed does not
1358 * copy the values back to the HandleRef
1363 case MONO_MARSHAL_CONV_STR_BSTR:
1364 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
1365 case MONO_MARSHAL_CONV_STR_TBSTR:
1366 case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
1368 g_warning ("marshaling conversion %d not implemented", conv);
1369 g_assert_not_reached ();
1374 conv_to_icall (MonoMarshalConv conv)
1377 case MONO_MARSHAL_CONV_STR_LPWSTR:
1378 return mono_marshal_string_to_utf16;
1379 case MONO_MARSHAL_CONV_LPWSTR_STR:
1380 return mono_string_from_utf16;
1381 case MONO_MARSHAL_CONV_LPSTR_STR:
1382 return mono_string_new_wrapper;
1383 case MONO_MARSHAL_CONV_STR_LPTSTR:
1384 #ifdef PLATFORM_WIN32
1385 return mono_marshal_string_to_utf16;
1387 return mono_string_to_lpstr;
1389 case MONO_MARSHAL_CONV_STR_LPSTR:
1390 return mono_string_to_lpstr;
1391 case MONO_MARSHAL_CONV_STR_BSTR:
1392 return mono_string_to_bstr;
1393 case MONO_MARSHAL_CONV_BSTR_STR:
1394 return mono_string_from_bstr;
1395 case MONO_MARSHAL_CONV_STR_TBSTR:
1396 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
1397 return mono_string_to_ansibstr;
1398 case MONO_MARSHAL_CONV_SB_LPSTR:
1399 return mono_string_builder_to_utf8;
1400 case MONO_MARSHAL_CONV_SB_LPTSTR:
1401 #ifdef PLATFORM_WIN32
1402 return mono_string_builder_to_utf16;
1404 return mono_string_builder_to_utf8;
1406 case MONO_MARSHAL_CONV_SB_LPWSTR:
1407 return mono_string_builder_to_utf16;
1408 case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
1409 return mono_array_to_savearray;
1410 case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
1411 return mono_array_to_lparray;
1412 case MONO_MARSHAL_FREE_LPARRAY:
1413 return mono_free_lparray;
1414 case MONO_MARSHAL_CONV_DEL_FTN:
1415 return mono_delegate_to_ftnptr;
1416 case MONO_MARSHAL_CONV_FTN_DEL:
1417 return mono_ftnptr_to_delegate;
1418 case MONO_MARSHAL_CONV_LPSTR_SB:
1419 return mono_string_utf8_to_builder;
1420 case MONO_MARSHAL_CONV_LPTSTR_SB:
1421 #ifdef PLATFORM_WIN32
1422 return mono_string_utf16_to_builder;
1424 return mono_string_utf8_to_builder;
1426 case MONO_MARSHAL_CONV_LPWSTR_SB:
1427 return mono_string_utf16_to_builder;
1428 case MONO_MARSHAL_FREE_ARRAY:
1429 return mono_marshal_free_array;
1430 case MONO_MARSHAL_CONV_STR_BYVALSTR:
1431 return mono_string_to_byvalstr;
1432 case MONO_MARSHAL_CONV_STR_BYVALWSTR:
1433 return mono_string_to_byvalwstr;
1435 g_assert_not_reached ();
1442 emit_object_to_ptr_conv (MonoMethodBuilder *mb, MonoType *type, MonoMarshalConv conv, MonoMarshalSpec *mspec)
1447 case MONO_MARSHAL_CONV_BOOL_I4:
1448 mono_mb_emit_ldloc (mb, 1);
1449 mono_mb_emit_ldloc (mb, 0);
1450 mono_mb_emit_byte (mb, CEE_LDIND_U1);
1451 mono_mb_emit_byte (mb, CEE_STIND_I4);
1453 case MONO_MARSHAL_CONV_BOOL_VARIANTBOOL:
1454 mono_mb_emit_ldloc (mb, 1);
1455 mono_mb_emit_ldloc (mb, 0);
1456 mono_mb_emit_byte (mb, CEE_LDIND_U1);
1457 mono_mb_emit_byte (mb, CEE_NEG);
1458 mono_mb_emit_byte (mb, CEE_STIND_I2);
1460 case MONO_MARSHAL_CONV_STR_LPWSTR:
1461 case MONO_MARSHAL_CONV_STR_LPSTR:
1462 case MONO_MARSHAL_CONV_STR_LPTSTR:
1463 case MONO_MARSHAL_CONV_STR_BSTR:
1464 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
1465 case MONO_MARSHAL_CONV_STR_TBSTR: {
1468 /* free space if free == true */
1469 mono_mb_emit_ldloc (mb, 2);
1470 pos = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
1471 mono_mb_emit_ldloc (mb, 1);
1472 mono_mb_emit_byte (mb, CEE_LDIND_I);
1473 mono_mb_emit_icall (mb, g_free);
1474 mono_mb_patch_short_branch (mb, pos);
1476 mono_mb_emit_ldloc (mb, 1);
1477 mono_mb_emit_ldloc (mb, 0);
1478 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1479 mono_mb_emit_icall (mb, conv_to_icall (conv));
1480 mono_mb_emit_byte (mb, CEE_STIND_I);
1483 case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
1484 case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
1485 case MONO_MARSHAL_CONV_DEL_FTN:
1486 mono_mb_emit_ldloc (mb, 1);
1487 mono_mb_emit_ldloc (mb, 0);
1488 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1489 mono_mb_emit_icall (mb, conv_to_icall (conv));
1490 mono_mb_emit_byte (mb, CEE_STIND_I);
1492 case MONO_MARSHAL_CONV_STR_BYVALSTR:
1493 case MONO_MARSHAL_CONV_STR_BYVALWSTR: {
1496 mono_mb_emit_ldloc (mb, 1); /* dst */
1497 mono_mb_emit_ldloc (mb, 0);
1498 mono_mb_emit_byte (mb, CEE_LDIND_REF); /* src String */
1499 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1500 mono_mb_emit_icall (mb, conv_to_icall (conv));
1503 case MONO_MARSHAL_CONV_ARRAY_BYVALARRAY: {
1504 MonoClass *eklass = NULL;
1507 if (type->type == MONO_TYPE_SZARRAY) {
1508 eklass = type->data.klass;
1510 g_assert_not_reached ();
1513 if (eklass->valuetype)
1514 esize = mono_class_native_size (eklass, NULL);
1516 esize = sizeof (gpointer);
1518 mono_mb_emit_ldloc (mb, 0);
1519 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1520 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
1522 if (eklass->blittable) {
1523 mono_mb_emit_ldloc (mb, 1);
1524 mono_mb_emit_ldloc (mb, 0);
1525 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1526 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoArray, vector));
1527 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem * esize);
1528 mono_mb_emit_byte (mb, CEE_PREFIX1);
1529 mono_mb_emit_byte (mb, CEE_CPBLK);
1531 int array_var, src_var, dst_var, index_var;
1532 guint32 label2, label3;
1534 array_var = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
1535 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1536 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1539 mono_mb_emit_ldloc (mb, 0);
1540 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1541 mono_mb_emit_stloc (mb, array_var);
1543 /* save the old src pointer */
1544 mono_mb_emit_ldloc (mb, 0);
1545 mono_mb_emit_stloc (mb, src_var);
1546 /* save the old dst pointer */
1547 mono_mb_emit_ldloc (mb, 1);
1548 mono_mb_emit_stloc (mb, dst_var);
1550 /* Emit marshalling loop */
1551 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1552 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
1553 mono_mb_emit_stloc (mb, index_var);
1556 label2 = mono_mb_get_label (mb);
1557 mono_mb_emit_ldloc (mb, index_var);
1558 mono_mb_emit_ldloc (mb, array_var);
1559 mono_mb_emit_byte (mb, CEE_LDLEN);
1560 label3 = mono_mb_emit_branch (mb, CEE_BGE);
1563 mono_mb_emit_ldloc (mb, array_var);
1564 mono_mb_emit_ldloc (mb, index_var);
1565 mono_mb_emit_op (mb, CEE_LDELEMA, eklass);
1566 mono_mb_emit_stloc (mb, 0);
1568 /* dst is already set */
1570 /* Do the conversion */
1571 emit_struct_conv (mb, eklass, FALSE);
1574 mono_mb_emit_add_to_local (mb, index_var, 1);
1576 mono_mb_emit_branch_label (mb, CEE_BR, label2);
1578 mono_mb_patch_branch (mb, label3);
1580 /* restore the old src pointer */
1581 mono_mb_emit_ldloc (mb, src_var);
1582 mono_mb_emit_stloc (mb, 0);
1583 /* restore the old dst pointer */
1584 mono_mb_emit_ldloc (mb, dst_var);
1585 mono_mb_emit_stloc (mb, 1);
1588 mono_mb_patch_branch (mb, pos);
1591 case MONO_MARSHAL_CONV_ARRAY_BYVALCHARARRAY: {
1592 mono_mb_emit_ldloc (mb, 0);
1593 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1594 pos = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
1596 mono_mb_emit_ldloc (mb, 1);
1597 mono_mb_emit_ldloc (mb, 0);
1598 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1599 mono_mb_emit_ptr (mb, mono_defaults.byte_class);
1600 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1601 mono_mb_emit_icall (mb, mono_array_to_byvalarray);
1602 mono_mb_patch_short_branch (mb, pos);
1605 case MONO_MARSHAL_CONV_OBJECT_STRUCT: {
1606 int src_var, dst_var;
1608 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1609 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1611 mono_mb_emit_ldloc (mb, 0);
1612 mono_mb_emit_byte (mb, CEE_LDIND_I);
1613 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
1615 /* save the old src pointer */
1616 mono_mb_emit_ldloc (mb, 0);
1617 mono_mb_emit_stloc (mb, src_var);
1618 /* save the old dst pointer */
1619 mono_mb_emit_ldloc (mb, 1);
1620 mono_mb_emit_stloc (mb, dst_var);
1622 /* src = pointer to object data */
1623 mono_mb_emit_ldloc (mb, 0);
1624 mono_mb_emit_byte (mb, CEE_LDIND_I);
1625 mono_mb_emit_icon (mb, sizeof (MonoObject));
1626 mono_mb_emit_byte (mb, CEE_ADD);
1627 mono_mb_emit_stloc (mb, 0);
1629 emit_struct_conv (mb, mono_class_from_mono_type (type), FALSE);
1631 /* restore the old src pointer */
1632 mono_mb_emit_ldloc (mb, src_var);
1633 mono_mb_emit_stloc (mb, 0);
1634 /* restore the old dst pointer */
1635 mono_mb_emit_ldloc (mb, dst_var);
1636 mono_mb_emit_stloc (mb, 1);
1638 mono_mb_patch_branch (mb, pos);
1643 case MONO_MARSHAL_CONV_OBJECT_INTERFACE:
1644 case MONO_MARSHAL_CONV_OBJECT_IDISPATCH:
1645 case MONO_MARSHAL_CONV_OBJECT_IUNKNOWN:
1646 mono_cominterop_emit_object_to_ptr_conv (mb, type, conv, mspec);
1648 #endif /* DISABLE_COM */
1650 case MONO_MARSHAL_CONV_SAFEHANDLE: {
1651 int dar_release_slot, pos;
1653 dar_release_slot = mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
1656 * The following is ifdefed-out, because I have no way of doing the
1657 * DangerousRelease when destroying the structure
1660 /* set release = false */
1661 mono_mb_emit_icon (mb, 0);
1662 mono_mb_emit_stloc (mb, dar_release_slot);
1663 if (!sh_dangerous_add_ref)
1664 init_safe_handle ();
1666 /* safehandle.DangerousAddRef (ref release) */
1667 mono_mb_emit_ldloc (mb, 0); /* the source */
1668 mono_mb_emit_byte (mb, CEE_LDIND_I);
1669 mono_mb_emit_ldloc_addr (mb, dar_release_slot);
1670 mono_mb_emit_managed_call (mb, sh_dangerous_add_ref, NULL);
1672 mono_mb_emit_ldloc (mb, 0);
1673 mono_mb_emit_byte (mb, CEE_LDIND_I);
1674 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
1675 mono_mb_emit_exception (mb, "ArgumentNullException", NULL);
1676 mono_mb_patch_branch (mb, pos);
1678 /* Pull the handle field from SafeHandle */
1679 mono_mb_emit_ldloc (mb, 1);
1680 mono_mb_emit_ldloc (mb, 0);
1681 mono_mb_emit_byte (mb, CEE_LDIND_I);
1682 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoSafeHandle, handle));
1683 mono_mb_emit_byte (mb, CEE_LDIND_I);
1684 mono_mb_emit_byte (mb, CEE_STIND_I);
1688 case MONO_MARSHAL_CONV_HANDLEREF: {
1689 mono_mb_emit_ldloc (mb, 1);
1690 mono_mb_emit_ldloc (mb, 0);
1691 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoHandleRef, handle));
1692 mono_mb_emit_byte (mb, CEE_ADD);
1693 mono_mb_emit_byte (mb, CEE_LDIND_I);
1694 mono_mb_emit_byte (mb, CEE_STIND_I);
1699 char *msg = g_strdup_printf ("marshalling conversion %d not implemented", conv);
1700 MonoException *exc = mono_get_exception_not_implemented (msg);
1701 g_warning ("%s", msg);
1703 mono_raise_exception (exc);
1709 emit_struct_conv (MonoMethodBuilder *mb, MonoClass *klass, gboolean to_object)
1711 MonoMarshalType *info;
1715 emit_struct_conv(mb, klass->parent, to_object);
1717 info = mono_marshal_load_type_info (klass);
1719 if (info->native_size == 0)
1722 if (klass->blittable) {
1723 int msize = mono_class_value_size (klass, NULL);
1724 g_assert (msize == info->native_size);
1725 mono_mb_emit_ldloc (mb, 1);
1726 mono_mb_emit_ldloc (mb, 0);
1727 mono_mb_emit_icon (mb, msize);
1728 mono_mb_emit_byte (mb, CEE_PREFIX1);
1729 mono_mb_emit_byte (mb, CEE_CPBLK);
1731 mono_mb_emit_add_to_local (mb, 0, msize);
1732 mono_mb_emit_add_to_local (mb, 1, msize);
1736 for (i = 0; i < info->num_fields; i++) {
1737 MonoMarshalNative ntype;
1738 MonoMarshalConv conv;
1739 MonoType *ftype = info->fields [i].field->type;
1742 gboolean last_field = i < (info->num_fields -1) ? 0 : 1;
1744 if (ftype->attrs & FIELD_ATTRIBUTE_STATIC)
1747 ntype = mono_type_to_unmanaged (ftype, info->fields [i].mspec, TRUE, klass->unicode, &conv);
1750 msize = klass->instance_size - info->fields [i].field->offset;
1751 usize = info->native_size - info->fields [i].offset;
1753 msize = info->fields [i + 1].field->offset - info->fields [i].field->offset;
1754 usize = info->fields [i + 1].offset - info->fields [i].offset;
1757 if (klass != mono_defaults.safehandle_class){
1759 * FIXME: Should really check for usize==0 and msize>0, but we apply
1760 * the layout to the managed structure as well.
1763 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) && (usize == 0)) {
1764 if (MONO_TYPE_IS_REFERENCE (info->fields [i].field->type) ||
1765 ((!last_field && MONO_TYPE_IS_REFERENCE (info->fields [i + 1].field->type))))
1766 g_error ("Type %s which has an [ExplicitLayout] attribute cannot have a "
1767 "reference field at the same offset as another field.",
1768 mono_type_full_name (&klass->byval_arg));
1771 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT)
1772 g_error ("Type %s which is passed to unmanaged code must have a StructLayout attribute",
1773 mono_type_full_name (&klass->byval_arg));
1778 case MONO_MARSHAL_CONV_NONE: {
1781 if (ftype->byref || ftype->type == MONO_TYPE_I ||
1782 ftype->type == MONO_TYPE_U) {
1783 mono_mb_emit_ldloc (mb, 1);
1784 mono_mb_emit_ldloc (mb, 0);
1785 mono_mb_emit_byte (mb, CEE_LDIND_I);
1786 mono_mb_emit_byte (mb, CEE_STIND_I);
1797 case MONO_TYPE_BOOLEAN:
1800 case MONO_TYPE_CHAR:
1806 mono_mb_emit_ldloc (mb, 1);
1807 mono_mb_emit_ldloc (mb, 0);
1808 mono_mb_emit_byte (mb, mono_type_to_ldind (ftype));
1809 mono_mb_emit_byte (mb, mono_type_to_stind (ftype));
1811 case MONO_TYPE_VALUETYPE: {
1812 int src_var, dst_var;
1814 if (ftype->data.klass->enumtype) {
1815 ftype = mono_class_enum_basetype (ftype->data.klass);
1819 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1820 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1822 /* save the old src pointer */
1823 mono_mb_emit_ldloc (mb, 0);
1824 mono_mb_emit_stloc (mb, src_var);
1825 /* save the old dst pointer */
1826 mono_mb_emit_ldloc (mb, 1);
1827 mono_mb_emit_stloc (mb, dst_var);
1829 emit_struct_conv (mb, ftype->data.klass, to_object);
1831 /* restore the old src pointer */
1832 mono_mb_emit_ldloc (mb, src_var);
1833 mono_mb_emit_stloc (mb, 0);
1834 /* restore the old dst pointer */
1835 mono_mb_emit_ldloc (mb, dst_var);
1836 mono_mb_emit_stloc (mb, 1);
1839 case MONO_TYPE_OBJECT: {
1840 mono_init_com_types ();
1842 static MonoMethod *variant_clear = NULL;
1843 static MonoMethod *get_object_for_native_variant = NULL;
1846 variant_clear = mono_class_get_method_from_name (mono_defaults.variant_class, "Clear", 0);
1847 if (!get_object_for_native_variant)
1848 get_object_for_native_variant = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetObjectForNativeVariant", 1);
1849 mono_mb_emit_ldloc (mb, 1);
1850 mono_mb_emit_ldloc (mb, 0);
1851 mono_mb_emit_managed_call (mb, get_object_for_native_variant, NULL);
1852 mono_mb_emit_byte (mb, CEE_STIND_REF);
1854 mono_mb_emit_ldloc (mb, 0);
1855 mono_mb_emit_managed_call (mb, variant_clear, NULL);
1858 static MonoMethod *get_native_variant_for_object = NULL;
1860 if (!get_native_variant_for_object)
1861 get_native_variant_for_object = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetNativeVariantForObject", 2);
1863 mono_mb_emit_ldloc (mb, 0);
1864 mono_mb_emit_byte(mb, CEE_LDIND_REF);
1865 mono_mb_emit_ldloc (mb, 1);
1866 mono_mb_emit_managed_call (mb, get_native_variant_for_object, NULL);
1872 g_warning ("marshaling type %02x not implemented", ftype->type);
1873 g_assert_not_reached ();
1878 int src_var, dst_var;
1880 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1881 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1883 /* save the old src pointer */
1884 mono_mb_emit_ldloc (mb, 0);
1885 mono_mb_emit_stloc (mb, src_var);
1886 /* save the old dst pointer */
1887 mono_mb_emit_ldloc (mb, 1);
1888 mono_mb_emit_stloc (mb, dst_var);
1891 emit_ptr_to_object_conv (mb, ftype, conv, info->fields [i].mspec);
1893 emit_object_to_ptr_conv (mb, ftype, conv, info->fields [i].mspec);
1895 /* restore the old src pointer */
1896 mono_mb_emit_ldloc (mb, src_var);
1897 mono_mb_emit_stloc (mb, 0);
1898 /* restore the old dst pointer */
1899 mono_mb_emit_ldloc (mb, dst_var);
1900 mono_mb_emit_stloc (mb, 1);
1905 mono_mb_emit_add_to_local (mb, 0, usize);
1906 mono_mb_emit_add_to_local (mb, 1, msize);
1908 mono_mb_emit_add_to_local (mb, 0, msize);
1909 mono_mb_emit_add_to_local (mb, 1, usize);
1915 emit_struct_free (MonoMethodBuilder *mb, MonoClass *klass, int struct_var)
1917 /* Call DestroyStructure */
1918 /* FIXME: Only do this if needed */
1919 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1920 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
1921 mono_mb_emit_ldloc (mb, struct_var);
1922 mono_mb_emit_icall (mb, mono_struct_delete_old);
1926 emit_thread_interrupt_checkpoint_call (MonoMethodBuilder *mb, gpointer checkpoint_func)
1930 mono_mb_emit_ptr (mb, (gpointer) mono_thread_interruption_request_flag ());
1931 mono_mb_emit_byte (mb, CEE_LDIND_U4);
1932 pos_noabort = mono_mb_emit_branch (mb, CEE_BRFALSE);
1934 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1935 mono_mb_emit_byte (mb, CEE_MONO_NOT_TAKEN);
1937 mono_mb_emit_icall (mb, checkpoint_func);
1939 mono_mb_patch_branch (mb, pos_noabort);
1943 emit_thread_interrupt_checkpoint (MonoMethodBuilder *mb)
1945 if (strstr (mb->name, "mono_thread_interruption_checkpoint"))
1948 emit_thread_interrupt_checkpoint_call (mb, mono_thread_interruption_checkpoint);
1952 emit_thread_force_interrupt_checkpoint (MonoMethodBuilder *mb)
1954 emit_thread_interrupt_checkpoint_call (mb, mono_thread_force_interruption_checkpoint);
1958 mono_marshal_emit_thread_interrupt_checkpoint (MonoMethodBuilder *mb)
1960 emit_thread_interrupt_checkpoint (mb);
1963 static MonoAsyncResult *
1964 mono_delegate_begin_invoke (MonoDelegate *delegate, gpointer *params)
1966 MonoMethodMessage *msg;
1967 MonoDelegate *async_callback;
1971 MonoMethod *method = NULL, *method2 = NULL;
1973 g_assert (delegate);
1975 if (delegate->target && mono_object_class (delegate->target) == mono_defaults.transparent_proxy_class) {
1977 MonoTransparentProxy* tp = (MonoTransparentProxy *)delegate->target;
1978 if (!tp->remote_class->proxy_class->contextbound || tp->rp->context != (MonoObject *) mono_context_get ()) {
1980 /* If the target is a proxy, make a direct call. Is proxy's work
1981 // to make the call asynchronous.
1983 MonoAsyncResult *ares;
1985 MonoArray *out_args;
1987 method = delegate->method;
1989 msg = mono_method_call_message_new (mono_marshal_method_from_wrapper (method), params, NULL, &async_callback, &state);
1990 handle = CreateEvent (NULL, TRUE, FALSE, NULL);
1991 g_assert(handle != NULL);
1992 ares = mono_async_result_new (mono_domain_get (), handle, state, handle, NULL);
1993 MONO_OBJECT_SETREF (ares, async_delegate, (MonoObject *)delegate);
1994 MONO_OBJECT_SETREF (ares, async_callback, (MonoObject *)async_callback);
1995 MONO_OBJECT_SETREF (msg, async_result, ares);
1996 msg->call_type = CallType_BeginInvoke;
1998 mono_remoting_invoke ((MonoObject *)tp->rp, msg, &exc, &out_args);
2003 klass = delegate->object.vtable->klass;
2005 method = mono_get_delegate_invoke (klass);
2006 method2 = mono_class_get_method_from_name (klass, "BeginInvoke", -1);
2009 g_assert (method != NULL);
2011 im = mono_get_delegate_invoke (method->klass);
2012 msg = mono_method_call_message_new (method, params, im, &async_callback, &state);
2014 return mono_thread_pool_add ((MonoObject *)delegate, msg, async_callback, state);
2018 mono_mb_emit_save_args (MonoMethodBuilder *mb, MonoMethodSignature *sig, gboolean save_this)
2020 int i, params_var, tmp_var;
2022 /* allocate local (pointer) *params[] */
2023 params_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2024 /* allocate local (pointer) tmp */
2025 tmp_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2027 /* alloate space on stack to store an array of pointers to the arguments */
2028 mono_mb_emit_icon (mb, sizeof (gpointer) * (sig->param_count + 1));
2029 mono_mb_emit_byte (mb, CEE_PREFIX1);
2030 mono_mb_emit_byte (mb, CEE_LOCALLOC);
2031 mono_mb_emit_stloc (mb, params_var);
2034 mono_mb_emit_ldloc (mb, params_var);
2035 mono_mb_emit_stloc (mb, tmp_var);
2037 if (save_this && sig->hasthis) {
2038 mono_mb_emit_ldloc (mb, tmp_var);
2039 mono_mb_emit_ldarg_addr (mb, 0);
2040 mono_mb_emit_byte (mb, CEE_STIND_I);
2041 /* tmp = tmp + sizeof (gpointer) */
2042 if (sig->param_count)
2043 mono_mb_emit_add_to_local (mb, tmp_var, sizeof (gpointer));
2047 for (i = 0; i < sig->param_count; i++) {
2048 mono_mb_emit_ldloc (mb, tmp_var);
2049 mono_mb_emit_ldarg_addr (mb, i + sig->hasthis);
2050 mono_mb_emit_byte (mb, CEE_STIND_I);
2051 /* tmp = tmp + sizeof (gpointer) */
2052 if (i < (sig->param_count - 1))
2053 mono_mb_emit_add_to_local (mb, tmp_var, sizeof (gpointer));
2060 mono_signature_to_name (MonoMethodSignature *sig, const char *prefix)
2064 GString *res = g_string_new ("");
2067 g_string_append (res, prefix);
2068 g_string_append_c (res, '_');
2071 mono_type_get_desc (res, sig->ret, FALSE);
2074 g_string_append (res, "__this__");
2076 for (i = 0; i < sig->param_count; ++i) {
2077 g_string_append_c (res, '_');
2078 mono_type_get_desc (res, sig->params [i], FALSE);
2081 g_string_free (res, FALSE);
2086 * mono_marshal_get_string_encoding:
2088 * Return the string encoding which should be used for a given parameter.
2090 static MonoMarshalNative
2091 mono_marshal_get_string_encoding (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
2093 /* First try the parameter marshal info */
2095 if (spec->native == MONO_NATIVE_LPARRAY) {
2096 if ((spec->data.array_data.elem_type != 0) && (spec->data.array_data.elem_type != MONO_NATIVE_MAX))
2097 return spec->data.array_data.elem_type;
2100 return spec->native;
2104 return MONO_NATIVE_LPSTR;
2106 /* Then try the method level marshal info */
2107 switch (piinfo->piflags & PINVOKE_ATTRIBUTE_CHAR_SET_MASK) {
2108 case PINVOKE_ATTRIBUTE_CHAR_SET_ANSI:
2109 return MONO_NATIVE_LPSTR;
2110 case PINVOKE_ATTRIBUTE_CHAR_SET_UNICODE:
2111 return MONO_NATIVE_LPWSTR;
2112 case PINVOKE_ATTRIBUTE_CHAR_SET_AUTO:
2113 #ifdef PLATFORM_WIN32
2114 return MONO_NATIVE_LPWSTR;
2116 return MONO_NATIVE_LPSTR;
2119 return MONO_NATIVE_LPSTR;
2123 static MonoMarshalConv
2124 mono_marshal_get_string_to_ptr_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
2126 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
2129 case MONO_NATIVE_LPWSTR:
2130 return MONO_MARSHAL_CONV_STR_LPWSTR;
2131 case MONO_NATIVE_LPSTR:
2132 return MONO_MARSHAL_CONV_STR_LPSTR;
2133 case MONO_NATIVE_LPTSTR:
2134 return MONO_MARSHAL_CONV_STR_LPTSTR;
2135 case MONO_NATIVE_BSTR:
2136 return MONO_MARSHAL_CONV_STR_BSTR;
2142 static MonoMarshalConv
2143 mono_marshal_get_stringbuilder_to_ptr_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
2145 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
2148 case MONO_NATIVE_LPWSTR:
2149 return MONO_MARSHAL_CONV_SB_LPWSTR;
2151 case MONO_NATIVE_LPSTR:
2152 return MONO_MARSHAL_CONV_SB_LPSTR;
2154 case MONO_NATIVE_LPTSTR:
2155 return MONO_MARSHAL_CONV_SB_LPTSTR;
2162 static MonoMarshalConv
2163 mono_marshal_get_ptr_to_string_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec, gboolean *need_free)
2165 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
2170 case MONO_NATIVE_LPWSTR:
2172 return MONO_MARSHAL_CONV_LPWSTR_STR;
2173 case MONO_NATIVE_LPSTR:
2174 return MONO_MARSHAL_CONV_LPSTR_STR;
2175 case MONO_NATIVE_LPTSTR:
2176 return MONO_MARSHAL_CONV_LPTSTR_STR;
2177 case MONO_NATIVE_BSTR:
2178 return MONO_MARSHAL_CONV_BSTR_STR;
2184 static MonoMarshalConv
2185 mono_marshal_get_ptr_to_stringbuilder_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec, gboolean *need_free)
2187 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
2192 case MONO_NATIVE_LPWSTR:
2194 * mono_string_builder_to_utf16 does not allocate a
2195 * new buffer, so no need to free it.
2198 return MONO_MARSHAL_CONV_LPWSTR_SB;
2199 case MONO_NATIVE_LPSTR:
2200 return MONO_MARSHAL_CONV_LPSTR_SB;
2202 case MONO_NATIVE_LPTSTR:
2203 return MONO_MARSHAL_CONV_LPTSTR_SB;
2211 * Return whenever a field of a native structure or an array member needs to
2215 mono_marshal_need_free (MonoType *t, MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
2217 MonoMarshalNative encoding;
2218 MonoMarshalConv conv;
2221 case MONO_TYPE_VALUETYPE:
2222 /* FIXME: Optimize this */
2224 case MONO_TYPE_OBJECT:
2225 case MONO_TYPE_CLASS:
2226 if (t->data.klass == mono_defaults.stringbuilder_class) {
2228 conv = mono_marshal_get_ptr_to_stringbuilder_conv (piinfo, spec, &need_free);
2232 case MONO_TYPE_STRING:
2233 encoding = mono_marshal_get_string_encoding (piinfo, spec);
2234 return (encoding == MONO_NATIVE_LPWSTR) ? FALSE : TRUE;
2241 * Return the hash table pointed to by VAR, lazily creating it if neccesary.
2244 get_cache (GHashTable **var, GHashFunc hash_func, GCompareFunc equal_func)
2247 mono_marshal_lock ();
2250 g_hash_table_new (hash_func, equal_func);
2251 mono_memory_barrier ();
2254 mono_marshal_unlock ();
2260 mono_marshal_get_cache (GHashTable **var, GHashFunc hash_func, GCompareFunc equal_func)
2262 return get_cache (var, hash_func, equal_func);
2266 mono_marshal_find_in_cache (GHashTable *cache, gpointer key)
2270 mono_marshal_lock ();
2271 res = g_hash_table_lookup (cache, key);
2272 mono_marshal_unlock ();
2277 mono_marshal_method_set_wrapper_data (MonoMethod *method, gpointer data)
2281 if (method->wrapper_type == MONO_WRAPPER_NONE || method->wrapper_type == MONO_WRAPPER_DYNAMIC_METHOD)
2284 datav = ((MonoMethodWrapper *)method)->method_data;
2288 /* Create the method from the builder and place it in the cache */
2290 mono_mb_create_and_cache (GHashTable *cache, gpointer key,
2291 MonoMethodBuilder *mb, MonoMethodSignature *sig,
2296 mono_marshal_lock ();
2297 res = g_hash_table_lookup (cache, key);
2298 mono_marshal_unlock ();
2301 newm = mono_mb_create_method (mb, sig, max_stack);
2302 mono_marshal_lock ();
2303 res = g_hash_table_lookup (cache, key);
2306 g_hash_table_insert (cache, key, res);
2307 mono_marshal_method_set_wrapper_data (res, key);
2308 mono_marshal_unlock ();
2310 mono_marshal_unlock ();
2311 mono_free_method (newm);
2319 static inline MonoMethod*
2320 mono_marshal_remoting_find_in_cache (MonoMethod *method, int wrapper_type)
2322 MonoMethod *res = NULL;
2323 MonoRemotingMethods *wrps;
2325 mono_marshal_lock ();
2326 if (method->klass->image->remoting_invoke_cache)
2327 wrps = g_hash_table_lookup (method->klass->image->remoting_invoke_cache, method);
2332 switch (wrapper_type) {
2333 case MONO_WRAPPER_REMOTING_INVOKE: res = wrps->invoke; break;
2334 case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK: res = wrps->invoke_with_check; break;
2335 case MONO_WRAPPER_XDOMAIN_INVOKE: res = wrps->xdomain_invoke; break;
2336 case MONO_WRAPPER_XDOMAIN_DISPATCH: res = wrps->xdomain_dispatch; break;
2340 /* it is important to do the unlock after the load from wrps, since in
2341 * mono_remoting_mb_create_and_cache () we drop the marshal lock to be able
2342 * to take the loader lock and some other thread may set the fields.
2344 mono_marshal_unlock ();
2348 /* Create the method from the builder and place it in the cache */
2349 static inline MonoMethod*
2350 mono_remoting_mb_create_and_cache (MonoMethod *key, MonoMethodBuilder *mb,
2351 MonoMethodSignature *sig, int max_stack)
2353 MonoMethod **res = NULL;
2354 MonoRemotingMethods *wrps;
2355 GHashTable *cache = get_cache (&key->klass->image->remoting_invoke_cache, mono_aligned_addr_hash, NULL);
2357 mono_marshal_lock ();
2358 wrps = g_hash_table_lookup (cache, key);
2360 wrps = g_new0 (MonoRemotingMethods, 1);
2361 g_hash_table_insert (cache, key, wrps);
2364 switch (mb->method->wrapper_type) {
2365 case MONO_WRAPPER_REMOTING_INVOKE: res = &wrps->invoke; break;
2366 case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK: res = &wrps->invoke_with_check; break;
2367 case MONO_WRAPPER_XDOMAIN_INVOKE: res = &wrps->xdomain_invoke; break;
2368 case MONO_WRAPPER_XDOMAIN_DISPATCH: res = &wrps->xdomain_dispatch; break;
2369 default: g_assert_not_reached (); break;
2371 mono_marshal_unlock ();
2375 newm = mono_mb_create_method (mb, sig, max_stack);
2377 mono_marshal_lock ();
2380 mono_marshal_method_set_wrapper_data (*res, key);
2381 mono_marshal_unlock ();
2383 mono_marshal_unlock ();
2384 mono_free_method (newm);
2392 mono_marshal_method_from_wrapper (MonoMethod *wrapper)
2396 if (wrapper->wrapper_type == MONO_WRAPPER_NONE || wrapper->wrapper_type == MONO_WRAPPER_DYNAMIC_METHOD)
2399 res = mono_method_get_wrapper_data (wrapper, 1);
2406 mono_marshal_get_delegate_begin_invoke (MonoMethod *method)
2408 MonoMethodSignature *sig;
2409 MonoMethodBuilder *mb;
2415 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
2416 !strcmp (method->name, "BeginInvoke"));
2418 sig = mono_signature_no_pinvoke (method);
2420 cache = get_cache (&method->klass->image->delegate_begin_invoke_cache,
2421 (GHashFunc)mono_signature_hash,
2422 (GCompareFunc)mono_metadata_signature_equal);
2423 if ((res = mono_marshal_find_in_cache (cache, sig)))
2426 g_assert (sig->hasthis);
2428 name = mono_signature_to_name (sig, "begin_invoke");
2429 mb = mono_mb_new (method->klass, name, MONO_WRAPPER_DELEGATE_BEGIN_INVOKE);
2432 params_var = mono_mb_emit_save_args (mb, sig, FALSE);
2434 mono_mb_emit_ldarg (mb, 0);
2435 mono_mb_emit_ldloc (mb, params_var);
2436 mono_mb_emit_icall (mb, mono_delegate_begin_invoke);
2437 mono_mb_emit_byte (mb, CEE_RET);
2439 res = mono_mb_create_and_cache (cache, sig, mb, sig, sig->param_count + 16);
2445 mono_delegate_end_invoke (MonoDelegate *delegate, gpointer *params)
2447 MonoDomain *domain = mono_domain_get ();
2448 MonoAsyncResult *ares;
2449 MonoMethod *method = NULL;
2450 MonoMethodSignature *sig;
2451 MonoMethodMessage *msg;
2452 MonoObject *res, *exc;
2453 MonoArray *out_args;
2456 g_assert (delegate);
2458 if (!delegate->method_info) {
2459 g_assert (delegate->method);
2460 MONO_OBJECT_SETREF (delegate, method_info, mono_method_get_object (domain, delegate->method, NULL));
2463 if (!delegate->method_info || !delegate->method_info->method)
2464 g_assert_not_reached ();
2466 klass = delegate->object.vtable->klass;
2468 method = mono_class_get_method_from_name (klass, "EndInvoke", -1);
2469 g_assert (method != NULL);
2471 sig = mono_signature_no_pinvoke (method);
2473 msg = mono_method_call_message_new (method, params, NULL, NULL, NULL);
2475 ares = mono_array_get (msg->args, gpointer, sig->param_count - 1);
2477 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."));
2479 if (ares->async_delegate != (MonoObject*)delegate && mono_framework_version () >= 2) {
2480 mono_raise_exception (mono_get_exception_invalid_operation (
2481 "The IAsyncResult object provided does not match this delegate."));
2485 if (delegate->target && mono_object_class (delegate->target) == mono_defaults.transparent_proxy_class) {
2486 MonoTransparentProxy* tp = (MonoTransparentProxy *)delegate->target;
2487 msg = (MonoMethodMessage *)mono_object_new (domain, mono_defaults.mono_method_message_class);
2488 mono_message_init (domain, msg, delegate->method_info, NULL);
2489 msg->call_type = CallType_EndInvoke;
2490 MONO_OBJECT_SETREF (msg, async_result, ares);
2491 res = mono_remoting_invoke ((MonoObject *)tp->rp, msg, &exc, &out_args);
2493 res = mono_thread_pool_finish (ares, &out_args, &exc);
2497 if (((MonoException*)exc)->stack_trace) {
2498 char *strace = mono_string_to_utf8 (((MonoException*)exc)->stack_trace);
2500 tmp = g_strdup_printf ("%s\nException Rethrown at:\n", strace);
2502 MONO_OBJECT_SETREF (((MonoException*)exc), stack_trace, mono_string_new (domain, tmp));
2505 mono_raise_exception ((MonoException*)exc);
2508 mono_method_return_message_restore (method, params, out_args);
2513 mono_mb_emit_restore_result (MonoMethodBuilder *mb, MonoType *return_type)
2515 MonoType *t = mono_type_get_underlying_type (return_type);
2517 if (return_type->byref)
2518 return_type = &mono_defaults.int_class->byval_arg;
2521 case MONO_TYPE_VOID:
2522 g_assert_not_reached ();
2525 case MONO_TYPE_STRING:
2526 case MONO_TYPE_CLASS:
2527 case MONO_TYPE_OBJECT:
2528 case MONO_TYPE_ARRAY:
2529 case MONO_TYPE_SZARRAY:
2533 case MONO_TYPE_BOOLEAN:
2536 case MONO_TYPE_CHAR:
2546 mono_mb_emit_op (mb, CEE_UNBOX, mono_class_from_mono_type (return_type));
2547 mono_mb_emit_byte (mb, mono_type_to_ldind (return_type));
2549 case MONO_TYPE_GENERICINST:
2550 if (!mono_type_generic_inst_is_valuetype (return_type))
2553 case MONO_TYPE_VALUETYPE: {
2554 MonoClass *klass = mono_class_from_mono_type (return_type);
2555 mono_mb_emit_op (mb, CEE_UNBOX, klass);
2556 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
2560 g_warning ("type 0x%x not handled", return_type->type);
2561 g_assert_not_reached ();
2564 mono_mb_emit_byte (mb, CEE_RET);
2568 mono_marshal_get_delegate_end_invoke (MonoMethod *method)
2570 MonoMethodSignature *sig;
2571 MonoMethodBuilder *mb;
2577 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
2578 !strcmp (method->name, "EndInvoke"));
2580 sig = mono_signature_no_pinvoke (method);
2582 cache = get_cache (&method->klass->image->delegate_end_invoke_cache,
2583 (GHashFunc)mono_signature_hash,
2584 (GCompareFunc)mono_metadata_signature_equal);
2585 if ((res = mono_marshal_find_in_cache (cache, sig)))
2588 g_assert (sig->hasthis);
2590 name = mono_signature_to_name (sig, "end_invoke");
2591 mb = mono_mb_new (method->klass, name, MONO_WRAPPER_DELEGATE_END_INVOKE);
2594 params_var = mono_mb_emit_save_args (mb, sig, FALSE);
2596 mono_mb_emit_ldarg (mb, 0);
2597 mono_mb_emit_ldloc (mb, params_var);
2598 mono_mb_emit_icall (mb, mono_delegate_end_invoke);
2600 if (sig->ret->type == MONO_TYPE_VOID) {
2601 mono_mb_emit_byte (mb, CEE_POP);
2602 mono_mb_emit_byte (mb, CEE_RET);
2604 mono_mb_emit_restore_result (mb, sig->ret);
2606 res = mono_mb_create_and_cache (cache, sig,
2607 mb, sig, sig->param_count + 16);
2614 mono_remoting_wrapper (MonoMethod *method, gpointer *params)
2616 MonoMethodMessage *msg;
2617 MonoTransparentProxy *this;
2618 MonoObject *res, *exc;
2619 MonoArray *out_args;
2621 this = *((MonoTransparentProxy **)params [0]);
2624 g_assert (((MonoObject *)this)->vtable->klass == mono_defaults.transparent_proxy_class);
2626 /* skip the this pointer */
2629 if (this->remote_class->proxy_class->contextbound && this->rp->context == (MonoObject *) mono_context_get ())
2632 MonoMethodSignature *sig = mono_method_signature (method);
2633 int count = sig->param_count;
2634 gpointer* mparams = (gpointer*) alloca(count*sizeof(gpointer));
2636 for (i=0; i<count; i++) {
2637 MonoClass *class = mono_class_from_mono_type (sig->params [i]);
2638 if (class->valuetype) {
2639 if (sig->params [i]->byref) {
2640 mparams[i] = *((gpointer *)params [i]);
2642 /* runtime_invoke expects a boxed instance */
2643 if (mono_class_is_nullable (mono_class_from_mono_type (sig->params [i])))
2644 mparams[i] = mono_nullable_box (params [i], class);
2646 mparams[i] = params [i];
2649 mparams[i] = *((gpointer**)params [i]);
2653 return mono_runtime_invoke (method, method->klass->valuetype? mono_object_unbox ((MonoObject*)this): this, mparams, NULL);
2656 msg = mono_method_call_message_new (method, params, NULL, NULL, NULL);
2658 res = mono_remoting_invoke ((MonoObject *)this->rp, msg, &exc, &out_args);
2661 mono_raise_exception ((MonoException *)exc);
2663 mono_method_return_message_restore (method, params, out_args);
2669 mono_marshal_get_remoting_invoke (MonoMethod *method)
2671 MonoMethodSignature *sig;
2672 MonoMethodBuilder *mb;
2678 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE || method->wrapper_type == MONO_WRAPPER_XDOMAIN_INVOKE)
2681 /* this seems to be the best plase to put this, as all remoting invokes seem to get filtered through here */
2682 if ((method->klass->is_com_object || method->klass == mono_defaults.com_object_class) && !mono_class_vtable (mono_domain_get (), method->klass)->remote) {
2684 return mono_cominterop_get_invoke (method);
2686 g_assert_not_reached ();
2690 sig = mono_signature_no_pinvoke (method);
2692 /* we cant remote methods without this pointer */
2696 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_REMOTING_INVOKE)))
2699 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_REMOTING_INVOKE);
2700 mb->method->save_lmf = 1;
2702 params_var = mono_mb_emit_save_args (mb, sig, TRUE);
2704 mono_mb_emit_ptr (mb, method);
2705 mono_mb_emit_ldloc (mb, params_var);
2706 mono_mb_emit_icall (mb, mono_remoting_wrapper);
2707 emit_thread_interrupt_checkpoint (mb);
2709 if (sig->ret->type == MONO_TYPE_VOID) {
2710 mono_mb_emit_byte (mb, CEE_POP);
2711 mono_mb_emit_byte (mb, CEE_RET);
2713 mono_mb_emit_restore_result (mb, sig->ret);
2716 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16);
2722 /* mono_get_xdomain_marshal_type()
2723 * Returns the kind of marshalling that a type needs for cross domain calls.
2725 static MonoXDomainMarshalType
2726 mono_get_xdomain_marshal_type (MonoType *t)
2729 case MONO_TYPE_VOID:
2730 g_assert_not_reached ();
2734 case MONO_TYPE_BOOLEAN:
2737 case MONO_TYPE_CHAR:
2744 return MONO_MARSHAL_NONE;
2745 case MONO_TYPE_STRING:
2746 return MONO_MARSHAL_COPY;
2747 case MONO_TYPE_ARRAY:
2748 case MONO_TYPE_SZARRAY: {
2749 MonoClass *elem_class = mono_class_from_mono_type (t)->element_class;
2750 if (mono_get_xdomain_marshal_type (&(elem_class->byval_arg)) != MONO_MARSHAL_SERIALIZE)
2751 return MONO_MARSHAL_COPY;
2756 return MONO_MARSHAL_SERIALIZE;
2760 /* mono_marshal_xdomain_copy_value
2761 * Makes a copy of "val" suitable for the current domain.
2764 mono_marshal_xdomain_copy_value (MonoObject *val)
2767 if (val == NULL) return NULL;
2769 domain = mono_domain_get ();
2771 switch (mono_object_class (val)->byval_arg.type) {
2772 case MONO_TYPE_VOID:
2773 g_assert_not_reached ();
2777 case MONO_TYPE_BOOLEAN:
2780 case MONO_TYPE_CHAR:
2786 case MONO_TYPE_R8: {
2787 return mono_value_box (domain, mono_object_class (val), ((char*)val) + sizeof(MonoObject));
2789 case MONO_TYPE_STRING: {
2790 MonoString *str = (MonoString *) val;
2791 return (MonoObject *) mono_string_new_utf16 (domain, mono_string_chars (str), mono_string_length (str));
2793 case MONO_TYPE_ARRAY:
2794 case MONO_TYPE_SZARRAY: {
2796 MonoXDomainMarshalType mt = mono_get_xdomain_marshal_type (&(mono_object_class (val)->element_class->byval_arg));
2797 if (mt == MONO_MARSHAL_SERIALIZE) return NULL;
2798 acopy = mono_array_clone_in_domain (domain, (MonoArray *) val);
2799 if (mt == MONO_MARSHAL_COPY) {
2800 int i, len = mono_array_length (acopy);
2801 for (i = 0; i < len; i++) {
2802 MonoObject *item = mono_array_get (acopy, gpointer, i);
2803 mono_array_setref (acopy, i, mono_marshal_xdomain_copy_value (item));
2806 return (MonoObject *) acopy;
2810 if (mono_object_class (val) == mono_defaults.stringbuilder_class) {
2811 MonoStringBuilder *oldsb = (MonoStringBuilder *) val;
2812 MonoStringBuilder *newsb = (MonoStringBuilder *) mono_object_new (domain, mono_defaults.stringbuilder_class);
2813 MONO_OBJECT_SETREF (newsb, str, mono_string_new_utf16 (domain, mono_string_chars (oldsb->str), mono_string_length (oldsb->str)));
2814 newsb->length = oldsb->length;
2815 newsb->max_capacity = (gint32)0x7fffffff;
2816 return (MonoObject *) newsb;
2821 /* mono_marshal_xdomain_copy_out_value()
2822 * Copies the contents of the src instance into the dst instance. src and dst
2823 * must have the same type, and if they are arrays, the same size.
2826 mono_marshal_xdomain_copy_out_value (MonoObject *src, MonoObject *dst)
2828 if (src == NULL || dst == NULL) return;
2830 g_assert (mono_object_class (src) == mono_object_class (dst));
2832 switch (mono_object_class (src)->byval_arg.type) {
2833 case MONO_TYPE_ARRAY:
2834 case MONO_TYPE_SZARRAY: {
2835 int mt = mono_get_xdomain_marshal_type (&(mono_object_class (src)->element_class->byval_arg));
2836 if (mt == MONO_MARSHAL_SERIALIZE) return;
2837 if (mt == MONO_MARSHAL_COPY) {
2838 int i, len = mono_array_length ((MonoArray *)dst);
2839 for (i = 0; i < len; i++) {
2840 MonoObject *item = mono_array_get ((MonoArray *)src, gpointer, i);
2841 mono_array_setref ((MonoArray *)dst, i, mono_marshal_xdomain_copy_value (item));
2844 mono_array_full_copy ((MonoArray *)src, (MonoArray *)dst);
2850 if (mono_object_class (src) == mono_defaults.stringbuilder_class) {
2851 MonoStringBuilder *src_sb = (MonoStringBuilder *) src;
2852 MonoStringBuilder *dst_sb = (MonoStringBuilder *) dst;
2854 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)));
2855 dst_sb->cached_str = NULL;
2856 dst_sb->length = src_sb->length;
2861 mono_marshal_emit_xdomain_copy_value (MonoMethodBuilder *mb, MonoClass *pclass)
2863 mono_mb_emit_icall (mb, mono_marshal_xdomain_copy_value);
2864 mono_mb_emit_op (mb, CEE_CASTCLASS, pclass);
2868 mono_marshal_emit_xdomain_copy_out_value (MonoMethodBuilder *mb, MonoClass *pclass)
2870 mono_mb_emit_icall (mb, mono_marshal_xdomain_copy_out_value);
2873 /* mono_marshal_supports_fast_xdomain()
2874 * Returns TRUE if the method can use the fast xdomain wrapper.
2877 mono_marshal_supports_fast_xdomain (MonoMethod *method)
2879 return !method->klass->contextbound &&
2880 !((method->flags & METHOD_ATTRIBUTE_SPECIAL_NAME) && (strcmp (".ctor", method->name) == 0));
2884 mono_marshal_set_domain_by_id (gint32 id, MonoBoolean push)
2886 MonoDomain *current_domain = mono_domain_get ();
2887 MonoDomain *domain = mono_domain_get_by_id (id);
2889 if (!domain || !mono_domain_set (domain, FALSE))
2890 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
2893 mono_thread_push_appdomain_ref (domain);
2895 mono_thread_pop_appdomain_ref ();
2897 return current_domain->domain_id;
2901 mono_marshal_emit_switch_domain (MonoMethodBuilder *mb)
2903 mono_mb_emit_icall (mb, mono_marshal_set_domain_by_id);
2906 /* mono_marshal_emit_load_domain_method ()
2907 * Loads into the stack a pointer to the code of the provided method for
2908 * the current domain.
2911 mono_marshal_emit_load_domain_method (MonoMethodBuilder *mb, MonoMethod *method)
2913 /* We need a pointer to the method for the running domain (not the domain
2914 * that compiles the method).
2916 mono_mb_emit_ptr (mb, method);
2917 mono_mb_emit_icall (mb, mono_compile_method);
2920 /* mono_marshal_check_domain_image ()
2921 * Returns TRUE if the image is loaded in the specified
2922 * application domain.
2925 mono_marshal_check_domain_image (gint32 domain_id, MonoImage *image)
2930 MonoDomain *domain = mono_domain_get_by_id (domain_id);
2934 mono_domain_assemblies_lock (domain);
2935 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
2937 if (ass->image == image)
2940 mono_domain_assemblies_unlock (domain);
2945 /* mono_marshal_get_xappdomain_dispatch ()
2946 * Generates a method that dispatches a method call from another domain into
2947 * the current domain.
2950 mono_marshal_get_xappdomain_dispatch (MonoMethod *method, int *marshal_types, int complex_count, int complex_out_count, int ret_marshal_type)
2952 MonoMethodSignature *sig, *csig;
2953 MonoMethodBuilder *mb;
2955 int i, j, param_index, copy_locals_base;
2956 MonoClass *ret_class = NULL;
2957 int loc_array=0, loc_return=0, loc_serialized_exc=0;
2958 MonoExceptionClause *main_clause;
2960 gboolean copy_return;
2962 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_XDOMAIN_DISPATCH)))
2965 sig = mono_method_signature (method);
2966 copy_return = (sig->ret->type != MONO_TYPE_VOID && ret_marshal_type != MONO_MARSHAL_SERIALIZE);
2969 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3 + sig->param_count - complex_count);
2970 csig->params [j++] = &mono_defaults.object_class->byval_arg;
2971 csig->params [j++] = &byte_array_class->this_arg;
2972 csig->params [j++] = &byte_array_class->this_arg;
2973 for (i = 0; i < sig->param_count; i++) {
2974 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE)
2975 csig->params [j++] = sig->params [i];
2978 csig->ret = sig->ret;
2980 csig->ret = &mono_defaults.void_class->byval_arg;
2982 csig->hasthis = FALSE;
2984 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_XDOMAIN_DISPATCH);
2985 mb->method->save_lmf = 1;
2989 loc_serialized_exc = mono_mb_add_local (mb, &byte_array_class->byval_arg);
2990 if (complex_count > 0)
2991 loc_array = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
2992 if (sig->ret->type != MONO_TYPE_VOID) {
2993 loc_return = mono_mb_add_local (mb, sig->ret);
2994 ret_class = mono_class_from_mono_type (sig->ret);
2999 main_clause = mono_image_alloc0 (method->klass->image, sizeof (MonoExceptionClause));
3000 main_clause->try_offset = mono_mb_get_label (mb);
3002 /* Clean the call context */
3004 mono_mb_emit_byte (mb, CEE_LDNULL);
3005 mono_mb_emit_managed_call (mb, method_set_call_context, NULL);
3006 mono_mb_emit_byte (mb, CEE_POP);
3008 /* Deserialize call data */
3010 mono_mb_emit_ldarg (mb, 1);
3011 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3012 mono_mb_emit_byte (mb, CEE_DUP);
3013 pos = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
3015 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
3016 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
3018 if (complex_count > 0)
3019 mono_mb_emit_stloc (mb, loc_array);
3021 mono_mb_emit_byte (mb, CEE_POP);
3023 mono_mb_patch_short_branch (mb, pos);
3025 /* Get the target object */
3027 mono_mb_emit_ldarg (mb, 0);
3028 mono_mb_emit_managed_call (mb, method_rs_appdomain_target, NULL);
3030 /* Load the arguments */
3032 copy_locals_base = mb->locals;
3033 param_index = 3; // Index of the first non-serialized parameter of this wrapper
3035 for (i = 0; i < sig->param_count; i++) {
3036 MonoType *pt = sig->params [i];
3037 MonoClass *pclass = mono_class_from_mono_type (pt);
3038 switch (marshal_types [i]) {
3039 case MONO_MARSHAL_SERIALIZE: {
3040 /* take the value from the serialized array */
3041 mono_mb_emit_ldloc (mb, loc_array);
3042 mono_mb_emit_icon (mb, j++);
3044 if (pclass->valuetype) {
3045 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3046 mono_mb_emit_op (mb, CEE_UNBOX, pclass);
3048 mono_mb_emit_op (mb, CEE_LDELEMA, pclass);
3051 if (pclass->valuetype) {
3052 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3053 mono_mb_emit_op (mb, CEE_UNBOX, pclass);
3054 mono_mb_emit_op (mb, CEE_LDOBJ, pclass);
3056 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3057 if (pclass != mono_defaults.object_class) {
3058 mono_mb_emit_op (mb, CEE_CASTCLASS, pclass);
3064 case MONO_MARSHAL_COPY_OUT: {
3065 /* Keep a local copy of the value since we need to copy it back after the call */
3066 int copy_local = mono_mb_add_local (mb, &(pclass->byval_arg));
3067 mono_mb_emit_ldarg (mb, param_index++);
3068 mono_marshal_emit_xdomain_copy_value (mb, pclass);
3069 mono_mb_emit_byte (mb, CEE_DUP);
3070 mono_mb_emit_stloc (mb, copy_local);
3073 case MONO_MARSHAL_COPY: {
3074 mono_mb_emit_ldarg (mb, param_index);
3076 mono_mb_emit_byte (mb, CEE_DUP);
3077 mono_mb_emit_byte (mb, CEE_DUP);
3078 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3079 mono_marshal_emit_xdomain_copy_value (mb, pclass);
3080 mono_mb_emit_byte (mb, CEE_STIND_REF);
3082 mono_marshal_emit_xdomain_copy_value (mb, pclass);
3087 case MONO_MARSHAL_NONE:
3088 mono_mb_emit_ldarg (mb, param_index++);
3093 /* Make the call to the real object */
3095 emit_thread_force_interrupt_checkpoint (mb);
3097 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
3099 if (sig->ret->type != MONO_TYPE_VOID)
3100 mono_mb_emit_stloc (mb, loc_return);
3102 /* copy back MONO_MARSHAL_COPY_OUT parameters */
3106 for (i = 0; i < sig->param_count; i++) {
3107 if (marshal_types [i] == MONO_MARSHAL_SERIALIZE) continue;
3108 if (marshal_types [i] == MONO_MARSHAL_COPY_OUT) {
3109 mono_mb_emit_ldloc (mb, copy_locals_base + (j++));
3110 mono_mb_emit_ldarg (mb, param_index);
3111 mono_marshal_emit_xdomain_copy_out_value (mb, mono_class_from_mono_type (sig->params [i]));
3116 /* Serialize the return values */
3118 if (complex_out_count > 0) {
3119 /* Reset parameters in the array that don't need to be serialized back */
3121 for (i = 0; i < sig->param_count; i++) {
3122 if (marshal_types[i] != MONO_MARSHAL_SERIALIZE) continue;
3123 if (!sig->params [i]->byref) {
3124 mono_mb_emit_ldloc (mb, loc_array);
3125 mono_mb_emit_icon (mb, j);
3126 mono_mb_emit_byte (mb, CEE_LDNULL);
3127 mono_mb_emit_byte (mb, CEE_STELEM_REF);
3132 /* Add the return value to the array */
3134 if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
3135 mono_mb_emit_ldloc (mb, loc_array);
3136 mono_mb_emit_icon (mb, complex_count); /* The array has an additional slot to hold the ret value */
3137 mono_mb_emit_ldloc (mb, loc_return);
3138 if (ret_class->valuetype) {
3139 mono_mb_emit_op (mb, CEE_BOX, ret_class);
3141 mono_mb_emit_byte (mb, CEE_STELEM_REF);
3146 mono_mb_emit_ldarg (mb, 1);
3147 mono_mb_emit_ldloc (mb, loc_array);
3148 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3149 mono_mb_emit_byte (mb, CEE_STIND_REF);
3150 } else if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
3151 mono_mb_emit_ldarg (mb, 1);
3152 mono_mb_emit_ldloc (mb, loc_return);
3153 if (ret_class->valuetype) {
3154 mono_mb_emit_op (mb, CEE_BOX, ret_class);
3156 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3157 mono_mb_emit_byte (mb, CEE_STIND_REF);
3159 mono_mb_emit_ldarg (mb, 1);
3160 mono_mb_emit_byte (mb, CEE_LDNULL);
3161 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3162 mono_mb_emit_byte (mb, CEE_STIND_REF);
3165 mono_mb_emit_ldarg (mb, 2);
3166 mono_mb_emit_byte (mb, CEE_LDNULL);
3167 mono_mb_emit_byte (mb, CEE_STIND_REF);
3168 pos_leave = mono_mb_emit_branch (mb, CEE_LEAVE);
3170 /* Main exception catch */
3171 main_clause->flags = MONO_EXCEPTION_CLAUSE_NONE;
3172 main_clause->try_len = mono_mb_get_pos (mb) - main_clause->try_offset;
3173 main_clause->data.catch_class = mono_defaults.object_class;
3176 main_clause->handler_offset = mono_mb_get_label (mb);
3177 mono_mb_emit_managed_call (mb, method_rs_serialize_exc, NULL);
3178 mono_mb_emit_stloc (mb, loc_serialized_exc);
3179 mono_mb_emit_ldarg (mb, 2);
3180 mono_mb_emit_ldloc (mb, loc_serialized_exc);
3181 mono_mb_emit_byte (mb, CEE_STIND_REF);
3182 mono_mb_emit_branch (mb, CEE_LEAVE);
3183 main_clause->handler_len = mono_mb_get_pos (mb) - main_clause->handler_offset;
3186 mono_mb_patch_branch (mb, pos_leave);
3189 mono_mb_emit_ldloc (mb, loc_return);
3191 mono_mb_emit_byte (mb, CEE_RET);
3193 mono_mb_set_clauses (mb, 1, main_clause);
3195 res = mono_remoting_mb_create_and_cache (method, mb, csig, csig->param_count + 16);
3201 /* mono_marshal_get_xappdomain_invoke ()
3202 * Generates a fast remoting wrapper for cross app domain calls.
3205 mono_marshal_get_xappdomain_invoke (MonoMethod *method)
3207 MonoMethodSignature *sig;
3208 MonoMethodBuilder *mb;
3210 int i, j, complex_count, complex_out_count, copy_locals_base;
3212 MonoClass *ret_class = NULL;
3213 MonoMethod *xdomain_method;
3214 int ret_marshal_type = MONO_MARSHAL_NONE;
3215 int loc_array=0, loc_serialized_data=-1, loc_real_proxy;
3216 int loc_old_domainid, loc_domainid, loc_return=0, loc_serialized_exc=0, loc_context;
3217 int pos, pos_dispatch, pos_noex;
3218 gboolean copy_return = FALSE;
3222 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE || method->wrapper_type == MONO_WRAPPER_XDOMAIN_INVOKE)
3225 /* we cant remote methods without this pointer */
3226 if (!mono_method_signature (method)->hasthis)
3229 if (!mono_marshal_supports_fast_xdomain (method))
3230 return mono_marshal_get_remoting_invoke (method);
3232 mono_remoting_marshal_init ();
3234 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_XDOMAIN_INVOKE)))
3237 sig = mono_signature_no_pinvoke (method);
3239 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_XDOMAIN_INVOKE);
3240 mb->method->save_lmf = 1;
3242 /* Count the number of parameters that need to be serialized */
3244 marshal_types = alloca (sizeof (int) * sig->param_count);
3245 complex_count = complex_out_count = 0;
3246 for (i = 0; i < sig->param_count; i++) {
3247 MonoType *ptype = sig->params[i];
3248 int mt = mono_get_xdomain_marshal_type (ptype);
3250 /* If the [Out] attribute is applied to a parameter that can be internally copied,
3251 * the copy will be made by reusing the original object instance
3253 if ((ptype->attrs & PARAM_ATTRIBUTE_OUT) != 0 && mt == MONO_MARSHAL_COPY && !ptype->byref)
3254 mt = MONO_MARSHAL_COPY_OUT;
3255 else if (mt == MONO_MARSHAL_SERIALIZE) {
3257 if (ptype->byref) complex_out_count++;
3259 marshal_types [i] = mt;
3262 if (sig->ret->type != MONO_TYPE_VOID) {
3263 ret_marshal_type = mono_get_xdomain_marshal_type (sig->ret);
3264 ret_class = mono_class_from_mono_type (sig->ret);
3265 copy_return = ret_marshal_type != MONO_MARSHAL_SERIALIZE;
3270 if (complex_count > 0)
3271 loc_array = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3272 loc_serialized_data = mono_mb_add_local (mb, &byte_array_class->byval_arg);
3273 loc_real_proxy = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3275 loc_return = mono_mb_add_local (mb, sig->ret);
3276 loc_old_domainid = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
3277 loc_domainid = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
3278 loc_serialized_exc = mono_mb_add_local (mb, &byte_array_class->byval_arg);
3279 loc_context = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3281 /* Save thread domain data */
3283 mono_mb_emit_icall (mb, mono_context_get);
3284 mono_mb_emit_byte (mb, CEE_DUP);
3285 mono_mb_emit_stloc (mb, loc_context);
3287 /* If the thread is not running in the default context, it needs to go
3288 * through the whole remoting sink, since the context is going to change
3290 mono_mb_emit_managed_call (mb, method_needs_context_sink, NULL);
3291 pos = mono_mb_emit_short_branch (mb, CEE_BRTRUE_S);
3293 /* Another case in which the fast path can't be used: when the target domain
3294 * has a different image for the same assembly.
3297 /* Get the target domain id */
3299 mono_mb_emit_ldarg (mb, 0);
3300 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
3301 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3302 mono_mb_emit_byte (mb, CEE_DUP);
3303 mono_mb_emit_stloc (mb, loc_real_proxy);
3305 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoRealProxy, target_domain_id));
3306 mono_mb_emit_byte (mb, CEE_LDIND_I4);
3307 mono_mb_emit_stloc (mb, loc_domainid);
3309 /* Check if the target domain has the same image for the required assembly */
3311 mono_mb_emit_ldloc (mb, loc_domainid);
3312 mono_mb_emit_ptr (mb, method->klass->image);
3313 mono_mb_emit_icall (mb, mono_marshal_check_domain_image);
3314 pos_dispatch = mono_mb_emit_short_branch (mb, CEE_BRTRUE_S);
3316 /* Use the whole remoting sink to dispatch this message */
3318 mono_mb_patch_short_branch (mb, pos);
3320 mono_mb_emit_ldarg (mb, 0);
3321 for (i = 0; i < sig->param_count; i++)
3322 mono_mb_emit_ldarg (mb, i + 1);
3324 mono_mb_emit_managed_call (mb, mono_marshal_get_remoting_invoke (method), NULL);
3325 mono_mb_emit_byte (mb, CEE_RET);
3326 mono_mb_patch_short_branch (mb, pos_dispatch);
3328 /* Create the array that will hold the parameters to be serialized */
3330 if (complex_count > 0) {
3331 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 */
3332 mono_mb_emit_op (mb, CEE_NEWARR, mono_defaults.object_class);
3335 for (i = 0; i < sig->param_count; i++) {
3337 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE) continue;
3338 pclass = mono_class_from_mono_type (sig->params[i]);
3339 mono_mb_emit_byte (mb, CEE_DUP);
3340 mono_mb_emit_icon (mb, j);
3341 mono_mb_emit_ldarg (mb, i + 1); /* 0=this */
3342 if (sig->params[i]->byref) {
3343 if (pclass->valuetype)
3344 mono_mb_emit_op (mb, CEE_LDOBJ, pclass);
3346 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3348 if (pclass->valuetype)
3349 mono_mb_emit_op (mb, CEE_BOX, pclass);
3350 mono_mb_emit_byte (mb, CEE_STELEM_REF);
3353 mono_mb_emit_stloc (mb, loc_array);
3355 /* Serialize parameters */
3357 mono_mb_emit_ldloc (mb, loc_array);
3358 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3359 mono_mb_emit_stloc (mb, loc_serialized_data);
3361 mono_mb_emit_byte (mb, CEE_LDNULL);
3362 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3363 mono_mb_emit_stloc (mb, loc_serialized_data);
3368 mono_mb_emit_ldloc (mb, loc_domainid);
3369 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
3370 mono_marshal_emit_switch_domain (mb);
3371 mono_mb_emit_stloc (mb, loc_old_domainid);
3373 /* Load the arguments */
3375 mono_mb_emit_ldloc (mb, loc_real_proxy);
3376 mono_mb_emit_ldloc_addr (mb, loc_serialized_data);
3377 mono_mb_emit_ldloc_addr (mb, loc_serialized_exc);
3379 copy_locals_base = mb->locals;
3380 for (i = 0; i < sig->param_count; i++) {
3381 switch (marshal_types [i]) {
3382 case MONO_MARSHAL_SERIALIZE:
3384 case MONO_MARSHAL_COPY: {
3385 mono_mb_emit_ldarg (mb, i+1);
3386 if (sig->params [i]->byref) {
3387 /* make a local copy of the byref parameter. The real parameter
3388 * will be updated after the xdomain call
3390 MonoClass *pclass = mono_class_from_mono_type (sig->params [i]);
3391 int copy_local = mono_mb_add_local (mb, &(pclass->byval_arg));
3392 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3393 mono_mb_emit_stloc (mb, copy_local);
3394 mono_mb_emit_ldloc_addr (mb, copy_local);
3398 case MONO_MARSHAL_COPY_OUT:
3399 case MONO_MARSHAL_NONE:
3400 mono_mb_emit_ldarg (mb, i+1);
3405 /* Make the call to the invoke wrapper in the target domain */
3407 xdomain_method = mono_marshal_get_xappdomain_dispatch (method, marshal_types, complex_count, complex_out_count, ret_marshal_type);
3408 mono_marshal_emit_load_domain_method (mb, xdomain_method);
3409 mono_mb_emit_calli (mb, mono_method_signature (xdomain_method));
3412 mono_mb_emit_stloc (mb, loc_return);
3416 mono_mb_emit_ldloc (mb, loc_old_domainid);
3417 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
3418 mono_marshal_emit_switch_domain (mb);
3419 mono_mb_emit_byte (mb, CEE_POP);
3421 /* Restore thread domain data */
3423 mono_mb_emit_ldloc (mb, loc_context);
3424 mono_mb_emit_icall (mb, mono_context_set);
3426 /* if (loc_serialized_exc != null) ... */
3428 mono_mb_emit_ldloc (mb, loc_serialized_exc);
3429 pos_noex = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
3431 mono_mb_emit_ldloc (mb, loc_serialized_exc);
3432 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
3433 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
3434 mono_mb_emit_op (mb, CEE_CASTCLASS, mono_defaults.exception_class);
3435 mono_mb_emit_managed_call (mb, method_exc_fixexc, NULL);
3436 mono_mb_emit_byte (mb, CEE_THROW);
3437 mono_mb_patch_short_branch (mb, pos_noex);
3439 /* copy back non-serialized output parameters */
3442 for (i = 0; i < sig->param_count; i++) {
3443 if (!sig->params [i]->byref || marshal_types [i] != MONO_MARSHAL_COPY) continue;
3444 mono_mb_emit_ldarg (mb, i + 1);
3445 mono_mb_emit_ldloc (mb, copy_locals_base + (j++));
3446 mono_marshal_emit_xdomain_copy_value (mb, mono_class_from_mono_type (sig->params [i]));
3447 mono_mb_emit_byte (mb, CEE_STIND_REF);
3450 /* Deserialize out parameters */
3452 if (complex_out_count > 0) {
3453 mono_mb_emit_ldloc (mb, loc_serialized_data);
3454 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
3455 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
3456 mono_mb_emit_stloc (mb, loc_array);
3458 /* Copy back output parameters and return type */
3461 for (i = 0; i < sig->param_count; i++) {
3462 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE) continue;
3463 if (sig->params[i]->byref) {
3464 MonoClass *pclass = mono_class_from_mono_type (sig->params [i]);
3465 mono_mb_emit_ldarg (mb, i + 1);
3466 mono_mb_emit_ldloc (mb, loc_array);
3467 mono_mb_emit_icon (mb, j);
3468 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3469 if (pclass->valuetype) {
3470 mono_mb_emit_op (mb, CEE_UNBOX, pclass);
3471 mono_mb_emit_op (mb, CEE_LDOBJ, pclass);
3472 mono_mb_emit_op (mb, CEE_STOBJ, pclass);
3474 if (pclass != mono_defaults.object_class)
3475 mono_mb_emit_op (mb, CEE_CASTCLASS, pclass);
3476 mono_mb_emit_byte (mb, CEE_STIND_REF);
3482 if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
3483 mono_mb_emit_ldloc (mb, loc_array);
3484 mono_mb_emit_icon (mb, complex_count);
3485 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3486 if (ret_class->valuetype) {
3487 mono_mb_emit_op (mb, CEE_UNBOX, ret_class);
3488 mono_mb_emit_op (mb, CEE_LDOBJ, ret_class);
3491 } else if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
3492 mono_mb_emit_ldloc (mb, loc_serialized_data);
3493 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
3494 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
3495 if (ret_class->valuetype) {
3496 mono_mb_emit_op (mb, CEE_UNBOX, ret_class);
3497 mono_mb_emit_op (mb, CEE_LDOBJ, ret_class);
3498 } else if (ret_class != mono_defaults.object_class) {
3499 mono_mb_emit_op (mb, CEE_CASTCLASS, ret_class);
3502 mono_mb_emit_ldloc (mb, loc_serialized_data);
3503 mono_mb_emit_byte (mb, CEE_DUP);
3504 pos = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
3505 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
3507 mono_mb_patch_short_branch (mb, pos);
3508 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
3509 mono_mb_emit_byte (mb, CEE_POP);
3513 mono_mb_emit_ldloc (mb, loc_return);
3514 if (ret_marshal_type == MONO_MARSHAL_COPY)
3515 mono_marshal_emit_xdomain_copy_value (mb, ret_class);
3518 mono_mb_emit_byte (mb, CEE_RET);
3520 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16);
3527 mono_marshal_get_remoting_invoke_for_target (MonoMethod *method, MonoRemotingTarget target_type)
3529 if (target_type == MONO_REMOTING_TARGET_APPDOMAIN) {
3530 return mono_marshal_get_xappdomain_invoke (method);
3531 } else if (target_type == MONO_REMOTING_TARGET_COMINTEROP) {
3533 return mono_cominterop_get_invoke (method);
3535 g_assert_not_reached ();
3538 return mono_marshal_get_remoting_invoke (method);
3544 G_GNUC_UNUSED static gpointer
3545 mono_marshal_load_remoting_wrapper (MonoRealProxy *rp, MonoMethod *method)
3547 if (rp->target_domain_id != -1)
3548 return mono_compile_method (mono_marshal_get_xappdomain_invoke (method));
3550 return mono_compile_method (mono_marshal_get_remoting_invoke (method));
3554 mono_marshal_get_remoting_invoke_with_check (MonoMethod *method)
3556 MonoMethodSignature *sig;
3557 MonoMethodBuilder *mb;
3558 MonoMethod *res, *native;
3559 int i, pos, pos_rem;
3563 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK)
3566 /* we cant remote methods without this pointer */
3567 g_assert (mono_method_signature (method)->hasthis);
3569 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK)))
3572 sig = mono_signature_no_pinvoke (method);
3574 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK);
3576 for (i = 0; i <= sig->param_count; i++)
3577 mono_mb_emit_ldarg (mb, i);
3579 mono_mb_emit_ldarg (mb, 0);
3580 pos = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
3582 if (mono_marshal_supports_fast_xdomain (method)) {
3583 mono_mb_emit_ldarg (mb, 0);
3584 pos_rem = mono_mb_emit_xdomain_check (mb, CEE_BEQ);
3586 /* wrapper for cross app domain calls */
3587 native = mono_marshal_get_xappdomain_invoke (method);
3588 mono_mb_emit_managed_call (mb, native, mono_method_signature (native));
3589 mono_mb_emit_byte (mb, CEE_RET);
3591 mono_mb_patch_branch (mb, pos_rem);
3593 /* wrapper for normal remote calls */
3594 native = mono_marshal_get_remoting_invoke (method);
3595 mono_mb_emit_managed_call (mb, native, mono_method_signature (native));
3596 mono_mb_emit_byte (mb, CEE_RET);
3599 mono_mb_patch_branch (mb, pos);
3600 mono_mb_emit_managed_call (mb, method, mono_method_signature (method));
3601 mono_mb_emit_byte (mb, CEE_RET);
3603 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16);
3611 MonoMethodSignature *sig;
3613 } SignatureMethodPair;
3616 signature_method_pair_hash (gconstpointer data)
3618 SignatureMethodPair *pair = (SignatureMethodPair*)data;
3620 return mono_signature_hash (pair->sig) ^ mono_aligned_addr_hash (pair->method);
3624 signature_method_pair_equal (SignatureMethodPair *pair1, SignatureMethodPair *pair2)
3626 return mono_metadata_signature_equal (pair1->sig, pair2->sig) && (pair1->method == pair2->method);
3630 free_signature_method_pair (SignatureMethodPair *pair)
3636 * the returned method invokes all methods in a multicast delegate.
3639 mono_marshal_get_delegate_invoke (MonoMethod *method, MonoDelegate *del)
3641 MonoMethodSignature *sig, *static_sig;
3643 MonoMethodBuilder *mb;
3644 MonoMethod *res, *newm;
3646 SignatureMethodPair key;
3647 SignatureMethodPair *new_key;
3648 int local_prev, local_target;
3651 MonoMethod *target_method = NULL;
3652 MonoClass *target_class = NULL;
3653 gboolean callvirt = FALSE;
3656 * If the delegate target is null, and the target method is not static, a virtual
3657 * call is made to that method with the first delegate argument as this. This is
3658 * a non-documented .NET feature.
3660 if (del && !del->target && del->method && mono_method_signature (del->method)->hasthis) {
3662 target_method = del->method;
3663 if (target_method->is_inflated) {
3664 MonoType *target_type;
3666 g_assert (method->signature->hasthis);
3667 target_type = mono_class_inflate_generic_type (method->signature->params [0],
3668 mono_method_get_context (method));
3669 target_class = mono_class_from_mono_type (target_type);
3671 target_class = del->method->klass;
3675 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
3676 !strcmp (method->name, "Invoke"));
3678 sig = mono_signature_no_pinvoke (method);
3681 /* We need to cache the signature+method pair */
3682 mono_marshal_lock ();
3683 if (!method->klass->image->delegate_abstract_invoke_cache)
3684 method->klass->image->delegate_abstract_invoke_cache = g_hash_table_new_full (signature_method_pair_hash, (GEqualFunc)signature_method_pair_equal, (GDestroyNotify)free_signature_method_pair, NULL);
3685 cache = method->klass->image->delegate_abstract_invoke_cache;
3687 key.method = target_method;
3688 res = g_hash_table_lookup (cache, &key);
3689 mono_marshal_unlock ();
3693 cache = get_cache (&method->klass->image->delegate_invoke_cache,
3694 (GHashFunc)mono_signature_hash,
3695 (GCompareFunc)mono_metadata_signature_equal);
3696 if ((res = mono_marshal_find_in_cache (cache, sig)))
3700 static_sig = signature_dup (method->klass->image, sig);
3701 static_sig->hasthis = 0;
3703 name = mono_signature_to_name (sig, "invoke");
3704 mb = mono_mb_new (method->klass, name, MONO_WRAPPER_DELEGATE_INVOKE);
3707 /* allocate local 0 (object) */
3708 local_target = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3709 local_prev = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3711 g_assert (sig->hasthis);
3715 * prev.Invoke( args .. );
3716 * return this.<target>( args .. );
3719 /* this wrapper can be used in unmanaged-managed transitions */
3720 emit_thread_interrupt_checkpoint (mb);
3722 /* get this->prev */
3723 mono_mb_emit_ldarg (mb, 0);
3724 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoMulticastDelegate, prev));
3725 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3726 mono_mb_emit_stloc (mb, local_prev);
3727 mono_mb_emit_ldloc (mb, local_prev);
3729 /* if prev != null */
3730 pos0 = mono_mb_emit_branch (mb, CEE_BRFALSE);
3734 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3735 mono_mb_emit_byte (mb, CEE_MONO_NOT_TAKEN);
3737 mono_mb_emit_ldloc (mb, local_prev);
3738 for (i = 0; i < sig->param_count; i++)
3739 mono_mb_emit_ldarg (mb, i + 1);
3740 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
3741 if (sig->ret->type != MONO_TYPE_VOID)
3742 mono_mb_emit_byte (mb, CEE_POP);
3744 /* continued or prev == null */
3745 mono_mb_patch_branch (mb, pos0);
3747 /* get this->target */
3748 mono_mb_emit_ldarg (mb, 0);
3749 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, target));
3750 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3751 mono_mb_emit_stloc (mb, local_target);
3753 /* if target != null */
3754 mono_mb_emit_ldloc (mb, local_target);
3755 pos0 = mono_mb_emit_branch (mb, CEE_BRFALSE);
3757 /* then call this->method_ptr nonstatic */
3760 mono_mb_emit_exception_full (mb, "System", "NotImplementedException", "");
3762 mono_mb_emit_ldloc (mb, local_target);
3763 for (i = 0; i < sig->param_count; ++i)
3764 mono_mb_emit_ldarg (mb, i + 1);
3765 mono_mb_emit_ldarg (mb, 0);
3766 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, method_ptr));
3767 mono_mb_emit_byte (mb, CEE_LDIND_I );
3768 mono_mb_emit_op (mb, CEE_CALLI, sig);
3770 mono_mb_emit_byte (mb, CEE_RET);
3773 /* else [target == null] call this->method_ptr static */
3774 mono_mb_patch_branch (mb, pos0);
3777 mono_mb_emit_ldarg (mb, 1);
3778 mono_mb_emit_op (mb, CEE_CASTCLASS, target_class);
3779 for (i = 1; i < sig->param_count; ++i)
3780 mono_mb_emit_ldarg (mb, i + 1);
3781 mono_mb_emit_op (mb, CEE_CALLVIRT, target_method);
3783 for (i = 0; i < sig->param_count; ++i)
3784 mono_mb_emit_ldarg (mb, i + 1);
3785 mono_mb_emit_ldarg (mb, 0);
3786 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, method_ptr));
3787 mono_mb_emit_byte (mb, CEE_LDIND_I );
3788 mono_mb_emit_op (mb, CEE_CALLI, static_sig);
3791 mono_mb_emit_byte (mb, CEE_RET);
3794 // From mono_mb_create_and_cache
3795 mb->skip_visibility = 1;
3796 newm = mono_mb_create_method (mb, sig, sig->param_count + 16);
3797 /*We perform double checked locking, so must fence before publishing*/
3798 mono_memory_barrier ();
3799 mono_marshal_lock ();
3800 res = g_hash_table_lookup (cache, &key);
3803 new_key = g_new0 (SignatureMethodPair, 1);
3805 new_key->method = target_method;
3806 g_hash_table_insert (cache, new_key, res);
3807 mono_marshal_method_set_wrapper_data (res, new_key);
3808 mono_marshal_unlock ();
3810 mono_marshal_unlock ();
3811 mono_free_method (newm);
3814 mb->skip_visibility = 1;
3815 res = mono_mb_create_and_cache (cache, sig, mb, sig, sig->param_count + 16);
3823 * signature_dup_add_this:
3825 * Make a copy of @sig, adding an explicit this argument.
3827 static MonoMethodSignature*
3828 signature_dup_add_this (MonoMethodSignature *sig, MonoClass *klass)
3830 MonoMethodSignature *res;
3833 res = mono_metadata_signature_alloc (klass->image, sig->param_count + 1);
3834 memcpy (res, sig, MONO_SIZEOF_METHOD_SIGNATURE);
3835 res->param_count = sig->param_count + 1;
3836 res->hasthis = FALSE;
3837 for (i = sig->param_count - 1; i >= 0; i --)
3838 res->params [i + 1] = sig->params [i];
3839 res->params [0] = &mono_ptr_class_get (&klass->byval_arg)->byval_arg;
3845 MonoMethodSignature *ctor_sig;
3846 MonoMethodSignature *sig;
3849 /* protected by the marshal lock, contains CtorSigPair pointers */
3850 static GSList *strsig_list = NULL;
3852 static MonoMethodSignature *
3853 lookup_string_ctor_signature (MonoMethodSignature *sig)
3855 MonoMethodSignature *callsig;
3859 mono_marshal_lock ();
3861 for (item = strsig_list; item; item = item->next) {
3863 /* mono_metadata_signature_equal () is safe to call with the marshal lock
3864 * because it is lock-free.
3866 if (mono_metadata_signature_equal (sig, cs->ctor_sig)) {
3871 mono_marshal_unlock ();
3875 static MonoMethodSignature *
3876 add_string_ctor_signature (MonoMethod *method)
3878 MonoMethodSignature *callsig;
3881 callsig = signature_dup (method->klass->image, mono_method_signature (method));
3882 callsig->ret = &mono_defaults.string_class->byval_arg;
3883 cs = g_new (CtorSigPair, 1);
3885 cs->ctor_sig = mono_method_signature (method);
3887 mono_marshal_lock ();
3888 strsig_list = g_slist_prepend (strsig_list, cs);
3889 mono_marshal_unlock ();
3894 get_runtime_invoke_type (MonoType *t, gboolean ret)
3897 if (t->type == MONO_TYPE_GENERICINST)
3900 return &mono_defaults.int_class->byval_arg;
3903 if (MONO_TYPE_IS_REFERENCE (t))
3904 return &mono_defaults.object_class->byval_arg;
3907 /* The result needs to be boxed */
3913 return &mono_defaults.sbyte_class->byval_arg;
3915 return &mono_defaults.int16_class->byval_arg;
3917 return &mono_defaults.int32_class->byval_arg;
3919 return &mono_defaults.int64_class->byval_arg;
3920 case MONO_TYPE_BOOLEAN:
3921 return &mono_defaults.sbyte_class->byval_arg;
3922 case MONO_TYPE_CHAR:
3923 return &mono_defaults.int16_class->byval_arg;
3926 return &mono_defaults.int_class->byval_arg;
3927 case MONO_TYPE_VALUETYPE:
3928 if (t->data.klass->enumtype) {
3929 t = mono_class_enum_basetype (t->data.klass);
3939 * mono_marshal_get_runtime_invoke_sig:
3941 * Return a common signature used for sharing runtime invoke wrappers.
3943 static MonoMethodSignature*
3944 mono_marshal_get_runtime_invoke_sig (MonoMethodSignature *sig)
3946 MonoMethodSignature *res = mono_metadata_signature_dup (sig);
3949 res->ret = get_runtime_invoke_type (sig->ret, TRUE);
3950 for (i = 0; i < res->param_count; ++i)
3951 res->params [i] = get_runtime_invoke_type (sig->params [i], FALSE);
3957 runtime_invoke_signature_equal (MonoMethodSignature *sig1, MonoMethodSignature *sig2)
3959 /* Can't share wrappers which return a vtype since it needs to be boxed */
3960 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))
3963 return mono_metadata_signature_equal (sig1, sig2);
3967 * get_wrapper_target_class:
3969 * Return the class where a wrapper method should be placed.
3972 get_wrapper_target_class (MonoImage *image)
3978 * - can't put all wrappers into an mscorlib class, because they reference
3979 * metadata (signature) so they should be put into the same image as the
3980 * method they wrap, so they are unloaded together.
3981 * - putting them into a class with a type initalizer could cause the
3982 * initializer to be executed which can be a problem if the wrappers are
3984 * - putting them into an inflated class can cause problems if the the
3985 * class is deleted because it references an image which is unloaded.
3986 * To avoid these problems, we put the wrappers into the <Module> class of
3990 klass = ((MonoDynamicImage*)image)->wrappers_type;
3992 klass = mono_class_get (image, mono_metadata_make_token (MONO_TABLE_TYPEDEF, 1));
3999 runtime_invoke_reset_abort (MonoException *ex)
4001 if (ex->object.vtable->klass == mono_defaults.threadabortexception_class)
4002 ves_icall_System_Threading_Thread_ResetAbort ();
4006 * generates IL code for the runtime invoke function
4007 * MonoObject *runtime_invoke (MonoObject *this, void **params, MonoObject **exc, void* method)
4009 * we also catch exceptions if exc != null
4010 * If VIRTUAL is TRUE, then METHOD is invoked virtually on THIS. This is useful since
4011 * it means that the compiled code for METHOD does not have to be looked up
4012 * before calling the runtime invoke wrapper. In this case, the wrapper ignores
4013 * its METHOD argument.
4016 mono_marshal_get_runtime_invoke (MonoMethod *method, gboolean virtual)
4018 MonoMethodSignature *sig, *csig, *callsig;
4019 MonoExceptionClause *clause;
4020 MonoMethodBuilder *mb;
4021 GHashTable *cache = NULL;
4022 MonoClass *target_klass;
4023 MonoMethod *res = NULL;
4024 static MonoString *string_dummy = NULL;
4025 static MonoMethodSignature *cctor_signature = NULL;
4026 static MonoMethodSignature *finalize_signature = NULL;
4029 gboolean need_direct_wrapper = FALSE;
4030 int *tmp_nullable_locals;
4034 if (!cctor_signature) {
4035 cctor_signature = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
4036 cctor_signature->ret = &mono_defaults.void_class->byval_arg;
4038 if (!finalize_signature) {
4039 finalize_signature = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
4040 finalize_signature->ret = &mono_defaults.void_class->byval_arg;
4041 finalize_signature->hasthis = 1;
4045 need_direct_wrapper = TRUE;
4048 * Use a separate cache indexed by methods to speed things up and to avoid the
4049 * boundless mempool growth caused by the signature_dup stuff below.
4052 cache = get_cache (&method->klass->image->runtime_invoke_vcall_cache, mono_aligned_addr_hash, NULL);
4054 cache = get_cache (&method->klass->image->runtime_invoke_direct_cache, mono_aligned_addr_hash, NULL);
4055 res = mono_marshal_find_in_cache (cache, method);
4059 if (method->klass->rank && (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
4060 (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)) {
4062 * Array Get/Set/Address methods. The JIT implements them using inline code
4063 * so we need to create an invoke wrapper which calls the method directly.
4065 need_direct_wrapper = TRUE;
4068 if (method->string_ctor) {
4069 callsig = lookup_string_ctor_signature (mono_method_signature (method));
4071 callsig = add_string_ctor_signature (method);
4072 /* Can't share this as we push a string as this */
4073 need_direct_wrapper = TRUE;
4075 if (method->klass->valuetype && mono_method_signature (method)->hasthis) {
4077 * Valuetype methods receive a managed pointer as the this argument.
4078 * Create a new signature to reflect this.
4080 callsig = signature_dup_add_this (mono_method_signature (method), method->klass);
4082 if (method->dynamic)
4083 callsig = signature_dup (method->klass->image, mono_method_signature (method));
4085 callsig = mono_method_signature (method);
4090 /* Vtypes/nullables/Byrefs cause too many problems */
4091 for (i = 0; i < callsig->param_count; ++i) {
4092 if (MONO_TYPE_ISSTRUCT (callsig->params [i]) || callsig->params [i]->byref)
4093 need_direct_wrapper = TRUE;
4098 * We try to share runtime invoke wrappers between different methods but have to
4099 * be careful about methods whose klass has a type cctor, since putting the wrapper
4100 * into that klass would mean that calling a method of klass A might invoke the
4101 * type initializer of class B, or throw an exception if the type initializer
4102 * was called before and failed. See #349621 for an example.
4103 * We avoid that for mscorlib methods by putting every wrapper into the object class.
4105 if (method->klass->image == mono_defaults.corlib)
4106 target_klass = mono_defaults.object_class;
4108 /* Try to share wrappers for non-corlib methods with simple signatures */
4109 if (mono_metadata_signature_equal (callsig, cctor_signature)) {
4110 callsig = cctor_signature;
4111 target_klass = mono_defaults.object_class;
4112 } else if (mono_metadata_signature_equal (callsig, finalize_signature)) {
4113 callsig = finalize_signature;
4114 target_klass = mono_defaults.object_class;
4116 // FIXME: This breaks too many things
4118 if (mono_class_get_cctor (method->klass))
4119 need_direct_wrapper = TRUE;
4122 target_klass = get_wrapper_target_class (method->klass->image);
4126 if (need_direct_wrapper) {
4127 /* Already searched at the start */
4129 callsig = mono_marshal_get_runtime_invoke_sig (callsig);
4131 cache = get_cache (&target_klass->image->runtime_invoke_cache,
4132 (GHashFunc)mono_signature_hash,
4133 (GCompareFunc)runtime_invoke_signature_equal);
4135 /* from mono_marshal_find_in_cache */
4136 mono_marshal_lock ();
4137 res = g_hash_table_lookup (cache, callsig);
4138 mono_marshal_unlock ();
4145 // FIXME: When to free callsig ?
4148 /* to make it work with our special string constructors */
4149 if (!string_dummy) {
4150 MONO_GC_REGISTER_ROOT (string_dummy);
4151 string_dummy = mono_string_new_wrapper ("dummy");
4154 sig = mono_method_signature (method);
4156 csig = mono_metadata_signature_alloc (target_klass->image, 4);
4158 csig->ret = &mono_defaults.object_class->byval_arg;
4159 if (method->klass->valuetype && mono_method_signature (method)->hasthis)
4160 csig->params [0] = callsig->params [0];
4162 csig->params [0] = &mono_defaults.object_class->byval_arg;
4163 csig->params [1] = &mono_defaults.int_class->byval_arg;
4164 csig->params [2] = &mono_defaults.int_class->byval_arg;
4165 csig->params [3] = &mono_defaults.int_class->byval_arg;
4167 name = mono_signature_to_name (callsig, virtual ? "runtime_invoke_virtual" : "runtime_invoke");
4168 mb = mono_mb_new (target_klass, name, MONO_WRAPPER_RUNTIME_INVOKE);
4171 /* allocate local 0 (object) tmp */
4172 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4173 /* allocate local 1 (object) exc */
4174 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4176 /* cond set *exc to null */
4177 mono_mb_emit_byte (mb, CEE_LDARG_2);
4178 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
4179 mono_mb_emit_byte (mb, 3);
4180 mono_mb_emit_byte (mb, CEE_LDARG_2);
4181 mono_mb_emit_byte (mb, CEE_LDNULL);
4182 mono_mb_emit_byte (mb, CEE_STIND_REF);
4184 emit_thread_force_interrupt_checkpoint (mb);
4187 g_assert (sig->hasthis);
4188 g_assert (method->flags & METHOD_ATTRIBUTE_VIRTUAL);
4192 if (method->string_ctor) {
4193 mono_mb_emit_ptr (mb, string_dummy);
4195 mono_mb_emit_ldarg (mb, 0);
4199 tmp_nullable_locals = g_new0 (int, sig->param_count);
4201 for (i = 0; i < sig->param_count; i++) {
4202 MonoType *t = sig->params [i];
4205 mono_mb_emit_ldarg (mb, 1);
4207 mono_mb_emit_icon (mb, sizeof (gpointer) * i);
4208 mono_mb_emit_byte (mb, CEE_ADD);
4212 mono_mb_emit_byte (mb, CEE_LDIND_I);
4213 /* A Nullable<T> type don't have a boxed form, it's either null or a boxed T.
4214 * So to make this work we unbox it to a local variablee and push a reference to that.
4216 if (t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t))) {
4217 tmp_nullable_locals [i] = mono_mb_add_local (mb, &mono_class_from_mono_type (t)->byval_arg);
4219 mono_mb_emit_op (mb, CEE_UNBOX_ANY, mono_class_from_mono_type (t));
4220 mono_mb_emit_stloc (mb, tmp_nullable_locals [i]);
4221 mono_mb_emit_ldloc_addr (mb, tmp_nullable_locals [i]);
4226 type = sig->params [i]->type;
4230 case MONO_TYPE_BOOLEAN:
4234 case MONO_TYPE_CHAR:
4243 mono_mb_emit_byte (mb, CEE_LDIND_I);
4244 mono_mb_emit_byte (mb, mono_type_to_ldind (sig->params [i]));
4246 case MONO_TYPE_STRING:
4247 case MONO_TYPE_CLASS:
4248 case MONO_TYPE_ARRAY:
4250 case MONO_TYPE_SZARRAY:
4251 case MONO_TYPE_OBJECT:
4252 mono_mb_emit_byte (mb, mono_type_to_ldind (sig->params [i]));
4254 case MONO_TYPE_GENERICINST:
4255 if (!mono_type_generic_inst_is_valuetype (sig->params [i])) {
4256 mono_mb_emit_byte (mb, mono_type_to_ldind (sig->params [i]));
4261 case MONO_TYPE_VALUETYPE:
4262 if (type == MONO_TYPE_VALUETYPE && t->data.klass->enumtype) {
4263 type = mono_class_enum_basetype (t->data.klass)->type;
4266 mono_mb_emit_byte (mb, CEE_LDIND_I);
4267 if (mono_class_is_nullable (mono_class_from_mono_type (sig->params [i]))) {
4268 /* Need to convert a boxed vtype to an mp to a Nullable struct */
4269 mono_mb_emit_op (mb, CEE_UNBOX, mono_class_from_mono_type (sig->params [i]));
4270 mono_mb_emit_op (mb, CEE_LDOBJ, mono_class_from_mono_type (sig->params [i]));
4272 mono_mb_emit_op (mb, CEE_LDOBJ, mono_class_from_mono_type (sig->params [i]));
4276 g_assert_not_reached ();
4281 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
4282 } else if (need_direct_wrapper) {
4283 mono_mb_emit_op (mb, CEE_CALL, method);
4285 mono_mb_emit_ldarg (mb, 3);
4286 mono_mb_emit_calli (mb, callsig);
4289 if (sig->ret->byref) {
4291 g_assert_not_reached ();
4294 switch (sig->ret->type) {
4295 case MONO_TYPE_VOID:
4296 if (!method->string_ctor)
4297 mono_mb_emit_byte (mb, CEE_LDNULL);
4299 case MONO_TYPE_BOOLEAN:
4300 case MONO_TYPE_CHAR:
4313 case MONO_TYPE_VALUETYPE:
4314 case MONO_TYPE_TYPEDBYREF:
4315 case MONO_TYPE_GENERICINST:
4316 /* box value types */
4317 mono_mb_emit_op (mb, CEE_BOX, mono_class_from_mono_type (sig->ret));
4319 case MONO_TYPE_STRING:
4320 case MONO_TYPE_CLASS:
4321 case MONO_TYPE_ARRAY:
4322 case MONO_TYPE_SZARRAY:
4323 case MONO_TYPE_OBJECT:
4327 /* The result is an IntPtr */
4328 mono_mb_emit_op (mb, CEE_BOX, mono_defaults.int_class);
4331 g_assert_not_reached ();
4334 mono_mb_emit_stloc (mb, 0);
4336 /* Convert back nullable-byref arguments */
4337 for (i = 0; i < sig->param_count; i++) {
4338 MonoType *t = sig->params [i];
4341 * Box the result and put it back into the array, the caller will have
4342 * to obtain it from there.
4344 if (t->byref && t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t))) {
4345 mono_mb_emit_ldarg (mb, 1);
4346 mono_mb_emit_icon (mb, sizeof (gpointer) * i);
4347 mono_mb_emit_byte (mb, CEE_ADD);
4349 mono_mb_emit_ldloc (mb, tmp_nullable_locals [i]);
4350 mono_mb_emit_op (mb, CEE_BOX, mono_class_from_mono_type (t));
4352 mono_mb_emit_byte (mb, CEE_STIND_REF);
4356 pos = mono_mb_emit_branch (mb, CEE_LEAVE);
4358 clause = mono_image_alloc0 (target_klass->image, sizeof (MonoExceptionClause));
4359 clause->flags = MONO_EXCEPTION_CLAUSE_FILTER;
4360 clause->try_len = mono_mb_get_label (mb);
4363 clause->data.filter_offset = mono_mb_get_label (mb);
4365 mono_mb_emit_byte (mb, CEE_POP);
4366 mono_mb_emit_byte (mb, CEE_LDARG_2);
4367 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
4368 mono_mb_emit_byte (mb, CEE_PREFIX1);
4369 mono_mb_emit_byte (mb, CEE_CGT_UN);
4370 mono_mb_emit_byte (mb, CEE_PREFIX1);
4371 mono_mb_emit_byte (mb, CEE_ENDFILTER);
4373 clause->handler_offset = mono_mb_get_label (mb);
4376 /* store exception */
4377 mono_mb_emit_stloc (mb, 1);
4379 mono_mb_emit_byte (mb, CEE_LDARG_2);
4380 mono_mb_emit_ldloc (mb, 1);
4381 mono_mb_emit_byte (mb, CEE_STIND_REF);
4383 mono_mb_emit_byte (mb, CEE_LDNULL);
4384 mono_mb_emit_stloc (mb, 0);
4386 /* Check and reset abort exception */
4387 /* Done in a separate function to reduce code size */
4388 mono_mb_emit_ldloc (mb, 1);
4389 mono_mb_emit_icall (mb, runtime_invoke_reset_abort);
4391 mono_mb_emit_branch (mb, CEE_LEAVE);
4393 clause->handler_len = mono_mb_get_pos (mb) - clause->handler_offset;
4395 mono_mb_set_clauses (mb, 1, clause);
4398 mono_mb_patch_branch (mb, pos);
4399 mono_mb_emit_ldloc (mb, 0);
4400 mono_mb_emit_byte (mb, CEE_RET);
4402 if (need_direct_wrapper) {
4403 mb->skip_visibility = 1;
4404 res = mono_mb_create_and_cache (cache, method, mb, csig, sig->param_count + 16);
4406 /* taken from mono_mb_create_and_cache */
4407 mono_marshal_lock ();
4408 res = g_hash_table_lookup (cache, callsig);
4409 mono_marshal_unlock ();
4411 /* Somebody may have created it before us */
4414 newm = mono_mb_create_method (mb, csig, sig->param_count + 16);
4416 mono_marshal_lock ();
4417 res = g_hash_table_lookup (cache, callsig);
4420 g_hash_table_insert (cache, callsig, res);
4421 /* Can't insert it into wrapper_hash since the key is a signature */
4422 g_hash_table_insert (method->klass->image->runtime_invoke_direct_cache, method, res);
4424 mono_free_method (newm);
4426 mono_marshal_unlock ();
4429 /* end mono_mb_create_and_cache */
4438 mono_mb_emit_auto_layout_exception (MonoMethodBuilder *mb, MonoClass *klass)
4440 char *msg = g_strdup_printf ("The type `%s.%s' layout needs to be Sequential or Explicit",
4441 klass->name_space, klass->name);
4443 mono_mb_emit_exception_marshal_directive (mb, msg);
4447 * mono_marshal_get_ldfld_remote_wrapper:
4448 * @klass: The return type
4450 * This method generates a wrapper for calling mono_load_remote_field_new.
4451 * The return type is ignored for now, as mono_load_remote_field_new () always
4452 * returns an object. In the future, to optimize some codepaths, we might
4453 * call a different function that takes a pointer to a valuetype, instead.
4456 mono_marshal_get_ldfld_remote_wrapper (MonoClass *klass)
4458 MonoMethodSignature *sig, *csig;
4459 MonoMethodBuilder *mb;
4461 static MonoMethod* cached = NULL;
4463 mono_marshal_lock ();
4465 mono_marshal_unlock ();
4468 mono_marshal_unlock ();
4470 mb = mono_mb_new_no_dup_name (mono_defaults.object_class, "__mono_load_remote_field_new_wrapper", MONO_WRAPPER_LDFLD_REMOTE);
4472 mb->method->save_lmf = 1;
4474 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
4475 sig->params [0] = &mono_defaults.object_class->byval_arg;
4476 sig->params [1] = &mono_defaults.int_class->byval_arg;
4477 sig->params [2] = &mono_defaults.int_class->byval_arg;
4478 sig->ret = &mono_defaults.object_class->byval_arg;
4480 mono_mb_emit_ldarg (mb, 0);
4481 mono_mb_emit_ldarg (mb, 1);
4482 mono_mb_emit_ldarg (mb, 2);
4484 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
4485 csig->params [0] = &mono_defaults.object_class->byval_arg;
4486 csig->params [1] = &mono_defaults.int_class->byval_arg;
4487 csig->params [2] = &mono_defaults.int_class->byval_arg;
4488 csig->ret = &mono_defaults.object_class->byval_arg;
4491 mono_mb_emit_native_call (mb, csig, mono_load_remote_field_new);
4492 emit_thread_interrupt_checkpoint (mb);
4494 mono_mb_emit_byte (mb, CEE_RET);
4496 mono_marshal_lock ();
4498 mono_marshal_unlock ();
4501 newm = mono_mb_create_method (mb, sig, 4);
4502 mono_marshal_lock ();
4507 mono_marshal_unlock ();
4509 mono_marshal_unlock ();
4510 mono_free_method (newm);
4519 * mono_marshal_get_ldfld_wrapper:
4520 * @type: the type of the field
4522 * This method generates a function which can be use to load a field with type
4523 * @type from an object. The generated function has the following signature:
4524 * <@type> ldfld_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset)
4527 mono_marshal_get_ldfld_wrapper (MonoType *type)
4529 MonoMethodSignature *sig;
4530 MonoMethodBuilder *mb;
4535 int t, pos0, pos1 = 0;
4537 type = mono_type_get_underlying_type (type);
4542 if (type->type == MONO_TYPE_SZARRAY) {
4543 klass = mono_defaults.array_class;
4544 } else if (type->type == MONO_TYPE_VALUETYPE) {
4545 klass = type->data.klass;
4546 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING) {
4547 klass = mono_defaults.object_class;
4548 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
4549 klass = mono_defaults.int_class;
4550 } else if (t == MONO_TYPE_GENERICINST) {
4551 if (mono_type_generic_inst_is_valuetype (type))
4552 klass = mono_class_from_mono_type (type);
4554 klass = mono_defaults.object_class;
4556 klass = mono_class_from_mono_type (type);
4559 klass = mono_defaults.int_class;
4562 cache = get_cache (&klass->image->ldfld_wrapper_cache, mono_aligned_addr_hash, NULL);
4563 if ((res = mono_marshal_find_in_cache (cache, klass)))
4566 /* we add the %p pointer value of klass because class names are not unique */
4567 name = g_strdup_printf ("__ldfld_wrapper_%p_%s.%s", klass, klass->name_space, klass->name);
4568 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_LDFLD);
4571 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
4572 sig->params [0] = &mono_defaults.object_class->byval_arg;
4573 sig->params [1] = &mono_defaults.int_class->byval_arg;
4574 sig->params [2] = &mono_defaults.int_class->byval_arg;
4575 sig->params [3] = &mono_defaults.int_class->byval_arg;
4576 sig->ret = &klass->byval_arg;
4578 mono_mb_emit_ldarg (mb, 0);
4579 pos0 = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
4581 mono_mb_emit_ldarg (mb, 0);
4582 mono_mb_emit_ldarg (mb, 1);
4583 mono_mb_emit_ldarg (mb, 2);
4585 mono_mb_emit_managed_call (mb, mono_marshal_get_ldfld_remote_wrapper (klass), NULL);
4588 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
4589 csig->params [0] = &mono_defaults.object_class->byval_arg;
4590 csig->params [1] = &mono_defaults.int_class->byval_arg;
4591 csig->params [2] = &mono_defaults.int_class->byval_arg;
4592 csig->ret = &klass->this_arg;
4595 mono_mb_emit_native_call (mb, csig, mono_load_remote_field_new);
4596 emit_thread_interrupt_checkpoint (mb);
4599 if (klass->valuetype) {
4600 mono_mb_emit_op (mb, CEE_UNBOX, klass);
4601 pos1 = mono_mb_emit_branch (mb, CEE_BR);
4603 mono_mb_emit_byte (mb, CEE_RET);
4607 mono_mb_patch_branch (mb, pos0);
4609 mono_mb_emit_ldarg (mb, 0);
4610 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4611 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
4612 mono_mb_emit_ldarg (mb, 3);
4613 mono_mb_emit_byte (mb, CEE_ADD);
4615 if (klass->valuetype)
4616 mono_mb_patch_branch (mb, pos1);
4621 case MONO_TYPE_BOOLEAN:
4622 case MONO_TYPE_CHAR:
4631 case MONO_TYPE_ARRAY:
4632 case MONO_TYPE_SZARRAY:
4633 case MONO_TYPE_OBJECT:
4634 case MONO_TYPE_CLASS:
4635 case MONO_TYPE_STRING:
4639 case MONO_TYPE_FNPTR:
4640 mono_mb_emit_byte (mb, mono_type_to_ldind (type));
4642 case MONO_TYPE_VALUETYPE:
4643 g_assert (!klass->enumtype);
4644 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
4646 case MONO_TYPE_GENERICINST:
4647 if (mono_type_generic_inst_is_valuetype (type)) {
4648 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
4650 mono_mb_emit_byte (mb, CEE_LDIND_REF);
4654 g_warning ("type %x not implemented", type->type);
4655 g_assert_not_reached ();
4658 mono_mb_emit_byte (mb, CEE_RET);
4660 res = mono_mb_create_and_cache (cache, klass,
4661 mb, sig, sig->param_count + 16);
4668 * mono_marshal_get_ldflda_wrapper:
4669 * @type: the type of the field
4671 * This method generates a function which can be used to load a field address
4672 * from an object. The generated function has the following signature:
4673 * gpointer ldflda_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset);
4676 mono_marshal_get_ldflda_wrapper (MonoType *type)
4678 MonoMethodSignature *sig;
4679 MonoMethodBuilder *mb;
4684 int t, pos0, pos1, pos2, pos3;
4686 type = mono_type_get_underlying_type (type);
4690 if (type->type == MONO_TYPE_SZARRAY) {
4691 klass = mono_defaults.array_class;
4692 } else if (type->type == MONO_TYPE_VALUETYPE) {
4693 klass = type->data.klass;
4694 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING ||
4695 t == MONO_TYPE_CLASS) {
4696 klass = mono_defaults.object_class;
4697 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
4698 klass = mono_defaults.int_class;
4699 } else if (t == MONO_TYPE_GENERICINST) {
4700 if (mono_type_generic_inst_is_valuetype (type))
4701 klass = mono_class_from_mono_type (type);
4703 klass = mono_defaults.object_class;
4705 klass = mono_class_from_mono_type (type);
4708 klass = mono_defaults.int_class;
4711 cache = get_cache (&klass->image->ldflda_wrapper_cache, mono_aligned_addr_hash, NULL);
4712 if ((res = mono_marshal_find_in_cache (cache, klass)))
4715 /* we add the %p pointer value of klass because class names are not unique */
4716 name = g_strdup_printf ("__ldflda_wrapper_%p_%s.%s", klass, klass->name_space, klass->name);
4717 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_LDFLDA);
4720 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
4721 sig->params [0] = &mono_defaults.object_class->byval_arg;
4722 sig->params [1] = &mono_defaults.int_class->byval_arg;
4723 sig->params [2] = &mono_defaults.int_class->byval_arg;
4724 sig->params [3] = &mono_defaults.int_class->byval_arg;
4725 sig->ret = &mono_defaults.int_class->byval_arg;
4727 /* if typeof (this) != transparent_proxy goto pos0 */
4728 mono_mb_emit_ldarg (mb, 0);
4729 pos0 = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
4731 /* if same_appdomain goto pos1 */
4732 mono_mb_emit_ldarg (mb, 0);
4733 pos1 = mono_mb_emit_xdomain_check (mb, CEE_BEQ);
4735 mono_mb_emit_exception_full (mb, "System", "InvalidOperationException", "Attempt to load field address from object in another appdomain.");
4737 /* same app domain */
4738 mono_mb_patch_branch (mb, pos1);
4740 /* if typeof (this) != contextbound goto pos2 */
4741 mono_mb_emit_ldarg (mb, 0);
4742 pos2 = mono_mb_emit_contextbound_check (mb, CEE_BEQ);
4744 /* if this->rp->context == mono_context_get goto pos3 */
4745 mono_mb_emit_ldarg (mb, 0);
4746 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
4747 mono_mb_emit_byte (mb, CEE_LDIND_REF);
4748 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoRealProxy, context));
4749 mono_mb_emit_byte (mb, CEE_LDIND_REF);
4750 mono_mb_emit_icall (mb, mono_context_get);
4751 pos3 = mono_mb_emit_branch (mb, CEE_BEQ);
4753 mono_mb_emit_exception_full (mb, "System", "InvalidOperationException", "Attempt to load field address from object in another context.");
4755 mono_mb_patch_branch (mb, pos2);
4756 mono_mb_patch_branch (mb, pos3);
4758 /* return the address of the field from this->rp->unwrapped_server */
4759 mono_mb_emit_ldarg (mb, 0);
4760 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
4761 mono_mb_emit_byte (mb, CEE_LDIND_REF);
4762 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoRealProxy, unwrapped_server));
4763 mono_mb_emit_byte (mb, CEE_LDIND_REF);
4764 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4765 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
4766 mono_mb_emit_ldarg (mb, 3);
4767 mono_mb_emit_byte (mb, CEE_ADD);
4768 mono_mb_emit_byte (mb, CEE_RET);
4770 /* not a proxy: return the address of the field directly */
4771 mono_mb_patch_branch (mb, pos0);
4773 mono_mb_emit_ldarg (mb, 0);
4774 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4775 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
4776 mono_mb_emit_ldarg (mb, 3);
4777 mono_mb_emit_byte (mb, CEE_ADD);
4779 mono_mb_emit_byte (mb, CEE_RET);
4781 res = mono_mb_create_and_cache (cache, klass,
4782 mb, sig, sig->param_count + 16);
4789 * mono_marshal_get_stfld_remote_wrapper:
4790 * klass: The type of the field
4792 * This function generates a wrapper for calling mono_store_remote_field_new
4793 * with the appropriate signature.
4794 * Similarly to mono_marshal_get_ldfld_remote_wrapper () this doesn't depend on the
4795 * klass argument anymore.
4798 mono_marshal_get_stfld_remote_wrapper (MonoClass *klass)
4800 MonoMethodSignature *sig, *csig;
4801 MonoMethodBuilder *mb;
4803 static MonoMethod *cached = NULL;
4805 mono_marshal_lock ();
4807 mono_marshal_unlock ();
4810 mono_marshal_unlock ();
4812 mb = mono_mb_new_no_dup_name (mono_defaults.object_class, "__mono_store_remote_field_new_wrapper", MONO_WRAPPER_STFLD_REMOTE);
4814 mb->method->save_lmf = 1;
4816 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
4817 sig->params [0] = &mono_defaults.object_class->byval_arg;
4818 sig->params [1] = &mono_defaults.int_class->byval_arg;
4819 sig->params [2] = &mono_defaults.int_class->byval_arg;
4820 sig->params [3] = &mono_defaults.object_class->byval_arg;
4821 sig->ret = &mono_defaults.void_class->byval_arg;
4823 mono_mb_emit_ldarg (mb, 0);
4824 mono_mb_emit_ldarg (mb, 1);
4825 mono_mb_emit_ldarg (mb, 2);
4826 mono_mb_emit_ldarg (mb, 3);
4828 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
4829 csig->params [0] = &mono_defaults.object_class->byval_arg;
4830 csig->params [1] = &mono_defaults.int_class->byval_arg;
4831 csig->params [2] = &mono_defaults.int_class->byval_arg;
4832 csig->params [3] = &mono_defaults.object_class->byval_arg;
4833 csig->ret = &mono_defaults.void_class->byval_arg;
4836 mono_mb_emit_native_call (mb, csig, mono_store_remote_field_new);
4837 emit_thread_interrupt_checkpoint (mb);
4839 mono_mb_emit_byte (mb, CEE_RET);
4841 mono_marshal_lock ();
4843 mono_marshal_unlock ();
4846 newm = mono_mb_create_method (mb, sig, 6);
4847 mono_marshal_lock ();
4852 mono_marshal_unlock ();
4854 mono_marshal_unlock ();
4855 mono_free_method (newm);
4864 * mono_marshal_get_stfld_wrapper:
4865 * @type: the type of the field
4867 * This method generates a function which can be use to store a field with type
4868 * @type. The generated function has the following signature:
4869 * void stfld_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset, <@type> val)
4872 mono_marshal_get_stfld_wrapper (MonoType *type)
4874 MonoMethodSignature *sig;
4875 MonoMethodBuilder *mb;
4882 type = mono_type_get_underlying_type (type);
4886 if (type->type == MONO_TYPE_SZARRAY) {
4887 klass = mono_defaults.array_class;
4888 } else if (type->type == MONO_TYPE_VALUETYPE) {
4889 klass = type->data.klass;
4890 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING) {
4891 klass = mono_defaults.object_class;
4892 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
4893 klass = mono_defaults.int_class;
4894 } else if (t == MONO_TYPE_GENERICINST) {
4895 if (mono_type_generic_inst_is_valuetype (type))
4896 klass = mono_class_from_mono_type (type);
4898 klass = mono_defaults.object_class;
4900 klass = mono_class_from_mono_type (type);
4903 klass = mono_defaults.int_class;
4906 cache = get_cache (&klass->image->stfld_wrapper_cache, mono_aligned_addr_hash, NULL);
4907 if ((res = mono_marshal_find_in_cache (cache, klass)))
4910 /* we add the %p pointer value of klass because class names are not unique */
4911 name = g_strdup_printf ("__stfld_wrapper_%p_%s.%s", klass, klass->name_space, klass->name);
4912 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_STFLD);
4915 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 5);
4916 sig->params [0] = &mono_defaults.object_class->byval_arg;
4917 sig->params [1] = &mono_defaults.int_class->byval_arg;
4918 sig->params [2] = &mono_defaults.int_class->byval_arg;
4919 sig->params [3] = &mono_defaults.int_class->byval_arg;
4920 sig->params [4] = &klass->byval_arg;
4921 sig->ret = &mono_defaults.void_class->byval_arg;
4923 mono_mb_emit_ldarg (mb, 0);
4924 pos = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
4926 mono_mb_emit_ldarg (mb, 0);
4927 mono_mb_emit_ldarg (mb, 1);
4928 mono_mb_emit_ldarg (mb, 2);
4929 mono_mb_emit_ldarg (mb, 4);
4930 if (klass->valuetype)
4931 mono_mb_emit_op (mb, CEE_BOX, klass);
4933 mono_mb_emit_managed_call (mb, mono_marshal_get_stfld_remote_wrapper (klass), NULL);
4935 mono_mb_emit_byte (mb, CEE_RET);
4937 mono_mb_patch_branch (mb, pos);
4939 mono_mb_emit_ldarg (mb, 0);
4940 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4941 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
4942 mono_mb_emit_ldarg (mb, 3);
4943 mono_mb_emit_byte (mb, CEE_ADD);
4944 mono_mb_emit_ldarg (mb, 4);
4949 case MONO_TYPE_BOOLEAN:
4950 case MONO_TYPE_CHAR:
4959 case MONO_TYPE_ARRAY:
4960 case MONO_TYPE_SZARRAY:
4961 case MONO_TYPE_OBJECT:
4962 case MONO_TYPE_CLASS:
4963 case MONO_TYPE_STRING:
4967 case MONO_TYPE_FNPTR:
4968 mono_mb_emit_byte (mb, mono_type_to_stind (type));
4970 case MONO_TYPE_VALUETYPE:
4971 g_assert (!klass->enumtype);
4972 mono_mb_emit_op (mb, CEE_STOBJ, klass);
4974 case MONO_TYPE_GENERICINST:
4975 mono_mb_emit_op (mb, CEE_STOBJ, klass);
4978 g_warning ("type %x not implemented", type->type);
4979 g_assert_not_reached ();
4982 mono_mb_emit_byte (mb, CEE_RET);
4984 res = mono_mb_create_and_cache (cache, klass,
4985 mb, sig, sig->param_count + 16);
4992 * generates IL code for the icall wrapper (the generated method
4993 * calls the unmanaged code in func)
4996 mono_marshal_get_icall_wrapper (MonoMethodSignature *sig, const char *name, gconstpointer func, gboolean check_exceptions)
4998 MonoMethodSignature *csig;
4999 MonoMethodBuilder *mb;
5003 g_assert (sig->pinvoke);
5005 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_MANAGED_TO_NATIVE);
5007 mb->method->save_lmf = 1;
5009 /* we copy the signature, so that we can modify it */
5012 mono_mb_emit_byte (mb, CEE_LDARG_0);
5014 for (i = 0; i < sig->param_count; i++)
5015 mono_mb_emit_ldarg (mb, i + sig->hasthis);
5017 mono_mb_emit_native_call (mb, sig, (gpointer) func);
5018 if (check_exceptions)
5019 emit_thread_interrupt_checkpoint (mb);
5020 mono_mb_emit_byte (mb, CEE_RET);
5022 csig = signature_dup (mono_defaults.corlib, sig);
5024 if (csig->call_convention == MONO_CALL_VARARG)
5025 csig->call_convention = 0;
5027 res = mono_mb_create_method (mb, csig, csig->param_count + 16);
5034 emit_marshal_custom (EmitMarshalContext *m, int argnum, MonoType *t,
5035 MonoMarshalSpec *spec,
5036 int conv_arg, MonoType **conv_arg_type,
5037 MarshalAction action)
5041 static MonoClass *ICustomMarshaler = NULL;
5042 static MonoMethod *cleanup_native, *cleanup_managed;
5043 static MonoMethod *marshal_managed_to_native, *marshal_native_to_managed;
5044 MonoMethod *get_instance;
5045 MonoMethodBuilder *mb = m->mb;
5046 char *exception_msg = NULL;
5050 if (!ICustomMarshaler) {
5051 ICustomMarshaler = mono_class_from_name (mono_defaults.corlib, "System.Runtime.InteropServices", "ICustomMarshaler");
5052 g_assert (ICustomMarshaler);
5054 cleanup_native = mono_class_get_method_from_name (ICustomMarshaler, "CleanUpNativeData", 1);
5055 g_assert (cleanup_native);
5056 cleanup_managed = mono_class_get_method_from_name (ICustomMarshaler, "CleanUpManagedData", 1);
5057 g_assert (cleanup_managed);
5058 marshal_managed_to_native = mono_class_get_method_from_name (ICustomMarshaler, "MarshalManagedToNative", 1);
5059 g_assert (marshal_managed_to_native);
5060 marshal_native_to_managed = mono_class_get_method_from_name (ICustomMarshaler, "MarshalNativeToManaged", 1);
5061 g_assert (marshal_native_to_managed);
5064 mtype = mono_reflection_type_from_name (spec->data.custom_data.custom_name, m->image);
5065 g_assert (mtype != NULL);
5066 mklass = mono_class_from_mono_type (mtype);
5067 g_assert (mklass != NULL);
5069 if (!mono_class_is_assignable_from (ICustomMarshaler, mklass))
5070 exception_msg = g_strdup_printf ("Custom marshaler '%s' does not implement the ICustomMarshaler interface.", mklass->name);
5072 get_instance = mono_class_get_method_from_name_flags (mklass, "GetInstance", 1, METHOD_ATTRIBUTE_STATIC);
5074 MonoMethodSignature *get_sig = mono_method_signature (get_instance);
5075 if ((get_sig->ret->type != MONO_TYPE_CLASS) ||
5076 (mono_class_from_mono_type (get_sig->ret) != ICustomMarshaler) ||
5077 (get_sig->params [0]->type != MONO_TYPE_STRING))
5078 get_instance = NULL;
5082 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);
5084 /* Throw exception and emit compensation code if neccesary */
5085 if (exception_msg) {
5087 case MARSHAL_ACTION_CONV_IN:
5088 case MARSHAL_ACTION_CONV_RESULT:
5089 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
5090 if ((action == MARSHAL_ACTION_CONV_RESULT) || (action == MARSHAL_ACTION_MANAGED_CONV_RESULT))
5091 mono_mb_emit_byte (mb, CEE_POP);
5093 mono_mb_emit_exception_full (mb, "System", "ApplicationException", exception_msg);
5094 g_free (exception_msg);
5097 case MARSHAL_ACTION_PUSH:
5098 mono_mb_emit_byte (mb, CEE_LDNULL);
5106 /* FIXME: MS.NET seems to create one instance for each klass + cookie pair */
5107 /* FIXME: MS.NET throws an exception if GetInstance returns null */
5110 case MARSHAL_ACTION_CONV_IN:
5112 case MONO_TYPE_CLASS:
5113 case MONO_TYPE_OBJECT:
5114 case MONO_TYPE_STRING:
5115 case MONO_TYPE_ARRAY:
5116 case MONO_TYPE_SZARRAY:
5117 case MONO_TYPE_VALUETYPE:
5121 g_warning ("custom marshalling of type %x is currently not supported", t->type);
5122 g_assert_not_reached ();
5126 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5128 mono_mb_emit_byte (mb, CEE_LDNULL);
5129 mono_mb_emit_stloc (mb, conv_arg);
5131 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT))
5134 /* Minic MS.NET behavior */
5135 if (!t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT) && !(t->attrs & PARAM_ATTRIBUTE_IN))
5138 /* Check for null */
5139 mono_mb_emit_ldarg (mb, argnum);
5141 mono_mb_emit_byte (mb, CEE_LDIND_I);
5142 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5144 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5146 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5148 mono_mb_emit_ldarg (mb, argnum);
5150 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5152 if (t->type == MONO_TYPE_VALUETYPE) {
5154 * Since we can't determine the type of the argument, we
5155 * will assume the unmanaged function takes a pointer.
5157 *conv_arg_type = &mono_defaults.int_class->byval_arg;
5159 mono_mb_emit_op (mb, CEE_BOX, mono_class_from_mono_type (t));
5162 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_managed_to_native);
5163 mono_mb_emit_stloc (mb, conv_arg);
5165 mono_mb_patch_branch (mb, pos2);
5168 case MARSHAL_ACTION_CONV_OUT:
5169 /* Check for null */
5170 mono_mb_emit_ldloc (mb, conv_arg);
5171 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5174 mono_mb_emit_ldarg (mb, argnum);
5176 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5178 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5180 mono_mb_emit_ldloc (mb, conv_arg);
5181 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
5182 mono_mb_emit_byte (mb, CEE_STIND_REF);
5183 } else if (t->attrs & PARAM_ATTRIBUTE_OUT) {
5184 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5186 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5188 mono_mb_emit_ldloc (mb, conv_arg);
5189 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
5191 /* We have nowhere to store the result */
5192 mono_mb_emit_byte (mb, CEE_POP);
5195 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5197 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5199 mono_mb_emit_ldloc (mb, conv_arg);
5201 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_native);
5203 mono_mb_patch_branch (mb, pos2);
5206 case MARSHAL_ACTION_PUSH:
5208 mono_mb_emit_ldloc_addr (mb, conv_arg);
5210 mono_mb_emit_ldloc (mb, conv_arg);
5213 case MARSHAL_ACTION_CONV_RESULT:
5214 loc1 = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5216 mono_mb_emit_stloc (mb, 3);
5218 mono_mb_emit_ldloc (mb, 3);
5219 mono_mb_emit_stloc (mb, loc1);
5221 /* Check for null */
5222 mono_mb_emit_ldloc (mb, 3);
5223 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5225 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5227 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5228 mono_mb_emit_byte (mb, CEE_DUP);
5230 mono_mb_emit_ldloc (mb, 3);
5231 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
5232 mono_mb_emit_stloc (mb, 3);
5234 mono_mb_emit_ldloc (mb, loc1);
5235 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_native);
5237 mono_mb_patch_branch (mb, pos2);
5240 case MARSHAL_ACTION_MANAGED_CONV_IN:
5241 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
5243 mono_mb_emit_byte (mb, CEE_LDNULL);
5244 mono_mb_emit_stloc (mb, conv_arg);
5246 if (t->byref && t->attrs & PARAM_ATTRIBUTE_OUT)
5249 /* Check for null */
5250 mono_mb_emit_ldarg (mb, argnum);
5252 mono_mb_emit_byte (mb, CEE_LDIND_I);
5253 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5255 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5256 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5258 mono_mb_emit_ldarg (mb, argnum);
5260 mono_mb_emit_byte (mb, CEE_LDIND_I);
5262 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
5263 mono_mb_emit_stloc (mb, conv_arg);
5265 mono_mb_patch_branch (mb, pos2);
5268 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
5269 g_assert (!t->byref);
5271 loc1 = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
5273 mono_mb_emit_stloc (mb, 3);
5275 mono_mb_emit_ldloc (mb, 3);
5276 mono_mb_emit_stloc (mb, loc1);
5278 /* Check for null */
5279 mono_mb_emit_ldloc (mb, 3);
5280 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5282 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5283 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5284 mono_mb_emit_byte (mb, CEE_DUP);
5286 mono_mb_emit_ldloc (mb, 3);
5287 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_managed_to_native);
5288 mono_mb_emit_stloc (mb, 3);
5290 mono_mb_emit_ldloc (mb, loc1);
5291 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_managed);
5293 mono_mb_patch_branch (mb, pos2);
5296 case MARSHAL_ACTION_MANAGED_CONV_OUT:
5298 /* Check for null */
5299 mono_mb_emit_ldloc (mb, conv_arg);
5300 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5303 mono_mb_emit_ldarg (mb, argnum);
5305 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5307 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5309 mono_mb_emit_ldloc (mb, conv_arg);
5310 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_managed_to_native);
5311 mono_mb_emit_byte (mb, CEE_STIND_I);
5314 /* Call CleanUpManagedData */
5315 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5317 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5319 mono_mb_emit_ldloc (mb, conv_arg);
5320 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_managed);
5322 mono_mb_patch_branch (mb, pos2);
5326 g_assert_not_reached ();
5333 emit_marshal_asany (EmitMarshalContext *m, int argnum, MonoType *t,
5334 MonoMarshalSpec *spec,
5335 int conv_arg, MonoType **conv_arg_type,
5336 MarshalAction action)
5338 MonoMethodBuilder *mb = m->mb;
5341 case MARSHAL_ACTION_CONV_IN: {
5342 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, NULL);
5344 g_assert (t->type == MONO_TYPE_OBJECT);
5345 g_assert (!t->byref);
5347 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5348 mono_mb_emit_ldarg (mb, argnum);
5349 mono_mb_emit_icon (mb, encoding);
5350 mono_mb_emit_icon (mb, t->attrs);
5351 mono_mb_emit_icall (mb, mono_marshal_asany);
5352 mono_mb_emit_stloc (mb, conv_arg);
5356 case MARSHAL_ACTION_PUSH:
5357 mono_mb_emit_ldloc (mb, conv_arg);
5360 case MARSHAL_ACTION_CONV_OUT: {
5361 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, NULL);
5363 mono_mb_emit_ldarg (mb, argnum);
5364 mono_mb_emit_ldloc (mb, conv_arg);
5365 mono_mb_emit_icon (mb, encoding);
5366 mono_mb_emit_icon (mb, t->attrs);
5367 mono_mb_emit_icall (mb, mono_marshal_free_asany);
5372 g_assert_not_reached ();
5379 emit_marshal_vtype (EmitMarshalContext *m, int argnum, MonoType *t,
5380 MonoMarshalSpec *spec,
5381 int conv_arg, MonoType **conv_arg_type,
5382 MarshalAction action)
5384 MonoMethodBuilder *mb = m->mb;
5388 klass = mono_class_from_mono_type (t);
5391 case MARSHAL_ACTION_CONV_IN:
5392 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
5393 klass->blittable || klass->enumtype)
5396 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5398 /* store the address of the source into local variable 0 */
5400 mono_mb_emit_ldarg (mb, argnum);
5402 mono_mb_emit_ldarg_addr (mb, argnum);
5404 mono_mb_emit_stloc (mb, 0);
5406 /* allocate space for the native struct and
5407 * store the address into local variable 1 (dest) */
5408 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
5409 mono_mb_emit_byte (mb, CEE_PREFIX1);
5410 mono_mb_emit_byte (mb, CEE_LOCALLOC);
5411 mono_mb_emit_stloc (mb, conv_arg);
5414 mono_mb_emit_ldloc (mb, 0);
5415 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
5418 if (!(t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && (t->attrs & PARAM_ATTRIBUTE_OUT))) {
5420 mono_mb_emit_ldloc (mb, conv_arg);
5421 mono_mb_emit_stloc (mb, 1);
5423 /* emit valuetype conversion code */
5424 emit_struct_conv (mb, klass, FALSE);
5428 mono_mb_patch_branch (mb, pos);
5431 case MARSHAL_ACTION_PUSH:
5432 if (spec && spec->native == MONO_NATIVE_LPSTRUCT) {
5434 g_assert (!t->byref);
5436 /* Have to change the signature since the vtype is passed byref */
5437 m->csig->params [argnum - m->csig->hasthis] = &mono_defaults.int_class->byval_arg;
5439 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
5440 klass->blittable || klass->enumtype)
5441 mono_mb_emit_ldarg_addr (mb, argnum);
5443 mono_mb_emit_ldloc (mb, conv_arg);
5447 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
5448 klass->blittable || klass->enumtype) {
5449 mono_mb_emit_ldarg (mb, argnum);
5452 mono_mb_emit_ldloc (mb, conv_arg);
5454 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5455 mono_mb_emit_op (mb, CEE_MONO_LDNATIVEOBJ, klass);
5459 case MARSHAL_ACTION_CONV_OUT:
5460 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
5461 klass->blittable || klass->enumtype)
5465 /* dst = argument */
5466 mono_mb_emit_ldarg (mb, argnum);
5467 mono_mb_emit_stloc (mb, 1);
5469 mono_mb_emit_ldloc (mb, 1);
5470 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
5472 if (!((t->attrs & PARAM_ATTRIBUTE_IN) && !(t->attrs & PARAM_ATTRIBUTE_OUT))) {
5473 /* src = tmp_locals [i] */
5474 mono_mb_emit_ldloc (mb, conv_arg);
5475 mono_mb_emit_stloc (mb, 0);
5477 /* emit valuetype conversion code */
5478 emit_struct_conv (mb, klass, TRUE);
5482 emit_struct_free (mb, klass, conv_arg);
5485 mono_mb_patch_branch (mb, pos);
5488 case MARSHAL_ACTION_CONV_RESULT:
5489 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
5491 mono_mb_emit_stloc (mb, 3);
5494 /* load pointer to returned value type */
5495 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5496 mono_mb_emit_byte (mb, CEE_MONO_VTADDR);
5497 /* store the address of the source into local variable 0 */
5498 mono_mb_emit_stloc (mb, 0);
5500 mono_mb_emit_ldloc_addr (mb, 3);
5501 mono_mb_emit_stloc (mb, 1);
5503 /* emit valuetype conversion code */
5504 emit_struct_conv (mb, klass, TRUE);
5507 case MARSHAL_ACTION_MANAGED_CONV_IN:
5508 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
5509 klass->blittable || klass->enumtype) {
5514 conv_arg = mono_mb_add_local (mb, &klass->byval_arg);
5516 if (t->attrs & PARAM_ATTRIBUTE_OUT)
5520 mono_mb_emit_ldarg (mb, argnum);
5522 mono_mb_emit_ldarg_addr (mb, argnum);
5523 mono_mb_emit_stloc (mb, 0);
5526 mono_mb_emit_ldloc (mb, 0);
5527 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
5530 mono_mb_emit_ldloc_addr (mb, conv_arg);
5531 mono_mb_emit_stloc (mb, 1);
5533 /* emit valuetype conversion code */
5534 emit_struct_conv (mb, klass, TRUE);
5537 mono_mb_patch_branch (mb, pos);
5540 case MARSHAL_ACTION_MANAGED_CONV_OUT:
5541 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
5542 klass->blittable || klass->enumtype) {
5546 /* Check for null */
5547 mono_mb_emit_ldarg (mb, argnum);
5548 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5551 mono_mb_emit_ldloc_addr (mb, conv_arg);
5552 mono_mb_emit_stloc (mb, 0);
5555 mono_mb_emit_ldarg (mb, argnum);
5556 mono_mb_emit_stloc (mb, 1);
5558 /* emit valuetype conversion code */
5559 emit_struct_conv (mb, klass, FALSE);
5561 mono_mb_patch_branch (mb, pos2);
5564 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
5565 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
5566 klass->blittable || klass->enumtype) {
5567 mono_mb_emit_stloc (mb, 3);
5572 /* load pointer to returned value type */
5573 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5574 mono_mb_emit_byte (mb, CEE_MONO_VTADDR);
5576 /* store the address of the source into local variable 0 */
5577 mono_mb_emit_stloc (mb, 0);
5578 /* allocate space for the native struct and
5579 * store the address into dst_ptr */
5580 m->retobj_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5581 m->retobj_class = klass;
5582 g_assert (m->retobj_var);
5583 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
5584 mono_mb_emit_byte (mb, CEE_CONV_I);
5585 mono_mb_emit_icall (mb, mono_marshal_alloc);
5586 mono_mb_emit_stloc (mb, 1);
5587 mono_mb_emit_ldloc (mb, 1);
5588 mono_mb_emit_stloc (mb, m->retobj_var);
5590 /* emit valuetype conversion code */
5591 emit_struct_conv (mb, klass, FALSE);
5595 g_assert_not_reached ();
5602 emit_marshal_string (EmitMarshalContext *m, int argnum, MonoType *t,
5603 MonoMarshalSpec *spec,
5604 int conv_arg, MonoType **conv_arg_type,
5605 MarshalAction action)
5607 MonoMethodBuilder *mb = m->mb;
5608 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
5609 MonoMarshalConv conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
5613 case MARSHAL_ACTION_CONV_IN:
5614 *conv_arg_type = &mono_defaults.int_class->byval_arg;
5615 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5618 if (t->attrs & PARAM_ATTRIBUTE_OUT)
5621 mono_mb_emit_ldarg (mb, argnum);
5622 mono_mb_emit_byte (mb, CEE_LDIND_I);
5624 mono_mb_emit_ldarg (mb, argnum);
5628 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
5629 MonoException *exc = mono_get_exception_not_implemented (msg);
5630 g_warning ("%s", msg);
5632 mono_raise_exception (exc);
5635 mono_mb_emit_icall (mb, conv_to_icall (conv));
5637 mono_mb_emit_stloc (mb, conv_arg);
5640 case MARSHAL_ACTION_CONV_OUT:
5641 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
5643 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
5644 mono_mb_emit_exception_marshal_directive (mb, msg);
5648 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT)) {
5649 mono_mb_emit_ldarg (mb, argnum);
5650 mono_mb_emit_ldloc (mb, conv_arg);
5651 mono_mb_emit_icall (mb, conv_to_icall (conv));
5652 mono_mb_emit_byte (mb, CEE_STIND_REF);
5655 if (need_free || (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT))) {
5656 mono_mb_emit_ldloc (mb, conv_arg);
5657 if (conv == MONO_MARSHAL_CONV_BSTR_STR)
5658 mono_mb_emit_icall (mb, mono_free_bstr);
5660 mono_mb_emit_icall (mb, mono_marshal_free);
5664 case MARSHAL_ACTION_PUSH:
5666 mono_mb_emit_ldloc_addr (mb, conv_arg);
5668 mono_mb_emit_ldloc (mb, conv_arg);
5671 case MARSHAL_ACTION_CONV_RESULT:
5672 mono_mb_emit_stloc (mb, 0);
5674 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
5676 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
5677 mono_mb_emit_exception_marshal_directive (mb, msg);
5681 mono_mb_emit_ldloc (mb, 0);
5682 mono_mb_emit_icall (mb, conv_to_icall (conv));
5683 mono_mb_emit_stloc (mb, 3);
5685 /* free the string */
5686 mono_mb_emit_ldloc (mb, 0);
5687 if (conv == MONO_MARSHAL_CONV_BSTR_STR)
5688 mono_mb_emit_icall (mb, mono_free_bstr);
5690 mono_mb_emit_icall (mb, mono_marshal_free);
5693 case MARSHAL_ACTION_MANAGED_CONV_IN:
5694 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
5696 *conv_arg_type = &mono_defaults.int_class->byval_arg;
5698 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
5700 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
5701 mono_mb_emit_exception_marshal_directive (mb, msg);
5705 mono_mb_emit_ldarg (mb, argnum);
5707 mono_mb_emit_byte (mb, CEE_LDIND_I);
5708 mono_mb_emit_icall (mb, conv_to_icall (conv));
5709 mono_mb_emit_stloc (mb, conv_arg);
5712 case MARSHAL_ACTION_MANAGED_CONV_OUT:
5715 mono_mb_emit_ldarg (mb, argnum);
5716 mono_mb_emit_ldloc (mb, conv_arg);
5717 mono_mb_emit_icall (mb, conv_to_icall (conv));
5718 mono_mb_emit_byte (mb, CEE_STIND_I);
5723 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
5724 if (conv_to_icall (conv) == mono_marshal_string_to_utf16)
5725 /* We need to make a copy so the caller is able to free it */
5726 mono_mb_emit_icall (mb, mono_marshal_string_to_utf16_copy);
5728 mono_mb_emit_icall (mb, conv_to_icall (conv));
5729 mono_mb_emit_stloc (mb, 3);
5733 g_assert_not_reached ();
5740 emit_marshal_safehandle (EmitMarshalContext *m, int argnum, MonoType *t,
5741 MonoMarshalSpec *spec, int conv_arg,
5742 MonoType **conv_arg_type, MarshalAction action)
5744 MonoMethodBuilder *mb = m->mb;
5747 case MARSHAL_ACTION_CONV_IN: {
5748 MonoType *intptr_type;
5749 int dar_release_slot, pos;
5751 intptr_type = &mono_defaults.int_class->byval_arg;
5752 conv_arg = mono_mb_add_local (mb, intptr_type);
5753 *conv_arg_type = intptr_type;
5755 if (!sh_dangerous_add_ref)
5756 init_safe_handle ();
5758 mono_mb_emit_ldarg (mb, argnum);
5759 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
5760 mono_mb_emit_exception (mb, "ArgumentNullException", NULL);
5762 mono_mb_patch_branch (mb, pos);
5765 * My tests in show that ref SafeHandles are not really
5766 * passed as ref objects. Instead a NULL is passed as the
5769 mono_mb_emit_icon (mb, 0);
5770 mono_mb_emit_stloc (mb, conv_arg);
5774 /* Create local to hold the ref parameter to DangerousAddRef */
5775 dar_release_slot = mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
5777 /* set release = false; */
5778 mono_mb_emit_icon (mb, 0);
5779 mono_mb_emit_stloc (mb, dar_release_slot);
5781 /* safehandle.DangerousAddRef (ref release) */
5782 mono_mb_emit_ldarg (mb, argnum);
5783 mono_mb_emit_ldloc_addr (mb, dar_release_slot);
5784 mono_mb_emit_managed_call (mb, sh_dangerous_add_ref, NULL);
5786 /* Pull the handle field from SafeHandle */
5787 mono_mb_emit_ldarg (mb, argnum);
5788 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoSafeHandle, handle));
5789 mono_mb_emit_byte (mb, CEE_LDIND_I);
5790 mono_mb_emit_stloc (mb, conv_arg);
5795 case MARSHAL_ACTION_PUSH:
5797 mono_mb_emit_ldloc_addr (mb, conv_arg);
5799 mono_mb_emit_ldloc (mb, conv_arg);
5802 case MARSHAL_ACTION_CONV_OUT: {
5803 /* The slot for the boolean is the next temporary created after conv_arg, see the CONV_IN code */
5804 int dar_release_slot = conv_arg + 1;
5807 if (!sh_dangerous_release)
5808 init_safe_handle ();
5814 * My tests indicate that ref SafeHandles parameters are not actually
5815 * passed by ref, but instead a new Handle is created regardless of
5816 * whether a change happens in the unmanaged side.
5818 * Also, the Handle is created before calling into unmanaged code,
5819 * but we do not support that mechanism (getting to the original
5820 * handle) and it makes no difference where we create this
5822 ctor = mono_class_get_method_from_name (t->data.klass, ".ctor", 0);
5824 mono_mb_emit_exception (mb, "MissingMethodException", "paramterless constructor required");
5827 /* refval = new SafeHandleDerived ()*/
5828 mono_mb_emit_ldarg (mb, argnum);
5829 mono_mb_emit_op (mb, CEE_NEWOBJ, ctor);
5830 mono_mb_emit_byte (mb, CEE_STIND_REF);
5832 /* refval.handle = returned_handle */
5833 mono_mb_emit_ldarg (mb, argnum);
5834 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5835 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoSafeHandle, handle));
5836 mono_mb_emit_ldloc (mb, conv_arg);
5837 mono_mb_emit_byte (mb, CEE_STIND_I);
5839 mono_mb_emit_ldloc (mb, dar_release_slot);
5840 label_next = mono_mb_emit_branch (mb, CEE_BRFALSE);
5841 mono_mb_emit_ldarg (mb, argnum);
5842 mono_mb_emit_managed_call (mb, sh_dangerous_release, NULL);
5843 mono_mb_patch_branch (mb, label_next);
5848 case MARSHAL_ACTION_CONV_RESULT: {
5849 MonoMethod *ctor = NULL;
5850 int intptr_handle_slot;
5852 if (t->data.klass->flags & TYPE_ATTRIBUTE_ABSTRACT){
5853 mono_mb_emit_byte (mb, CEE_POP);
5854 mono_mb_emit_exception_marshal_directive (mb, "Returned SafeHandles should not be abstract");
5858 ctor = mono_class_get_method_from_name (t->data.klass, ".ctor", 0);
5860 mono_mb_emit_byte (mb, CEE_POP);
5861 mono_mb_emit_exception (mb, "MissingMethodException", "paramterless constructor required");
5864 /* Store the IntPtr results into a local */
5865 intptr_handle_slot = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5866 mono_mb_emit_stloc (mb, intptr_handle_slot);
5868 /* Create return value */
5869 mono_mb_emit_op (mb, CEE_NEWOBJ, ctor);
5870 mono_mb_emit_stloc (mb, 3);
5872 /* Set the return.handle to the value, am using ldflda, not sure if thats a good idea */
5873 mono_mb_emit_ldloc (mb, 3);
5874 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoSafeHandle, handle));
5875 mono_mb_emit_ldloc (mb, intptr_handle_slot);
5876 mono_mb_emit_byte (mb, CEE_STIND_I);
5880 case MARSHAL_ACTION_MANAGED_CONV_IN:
5881 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_IN\n");
5884 case MARSHAL_ACTION_MANAGED_CONV_OUT:
5885 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_OUT\n");
5888 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
5889 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_RESULT\n");
5892 printf ("Unhandled case for MarshalAction: %d\n", action);
5899 emit_marshal_handleref (EmitMarshalContext *m, int argnum, MonoType *t,
5900 MonoMarshalSpec *spec, int conv_arg,
5901 MonoType **conv_arg_type, MarshalAction action)
5903 MonoMethodBuilder *mb = m->mb;
5906 case MARSHAL_ACTION_CONV_IN: {
5907 MonoType *intptr_type;
5909 intptr_type = &mono_defaults.int_class->byval_arg;
5910 conv_arg = mono_mb_add_local (mb, intptr_type);
5911 *conv_arg_type = intptr_type;
5914 mono_mb_emit_exception_marshal_directive (mb,
5915 "HandleRefs can not be returned from unmanaged code (or passed by ref)");
5918 mono_mb_emit_ldarg_addr (mb, argnum);
5919 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoHandleRef, handle));
5920 mono_mb_emit_byte (mb, CEE_ADD);
5921 mono_mb_emit_byte (mb, CEE_LDIND_I);
5922 mono_mb_emit_stloc (mb, conv_arg);
5926 case MARSHAL_ACTION_PUSH:
5927 mono_mb_emit_ldloc (mb, conv_arg);
5930 case MARSHAL_ACTION_CONV_OUT: {
5931 /* no resource release required */
5935 case MARSHAL_ACTION_CONV_RESULT: {
5936 mono_mb_emit_exception_marshal_directive (mb,
5937 "HandleRefs can not be returned from unmanaged code (or passed by ref)");
5941 case MARSHAL_ACTION_MANAGED_CONV_IN:
5942 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_IN\n");
5945 case MARSHAL_ACTION_MANAGED_CONV_OUT:
5946 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_OUT\n");
5949 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
5950 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_RESULT\n");
5953 fprintf (stderr, "Unhandled case for MarshalAction: %d\n", action);
5960 emit_marshal_object (EmitMarshalContext *m, int argnum, MonoType *t,
5961 MonoMarshalSpec *spec,
5962 int conv_arg, MonoType **conv_arg_type,
5963 MarshalAction action)
5965 MonoMethodBuilder *mb = m->mb;
5966 MonoClass *klass = mono_class_from_mono_type (t);
5970 case MARSHAL_ACTION_CONV_IN:
5971 *conv_arg_type = &mono_defaults.int_class->byval_arg;
5972 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5974 m->orig_conv_args [argnum] = 0;
5976 if (mono_class_from_mono_type (t) == mono_defaults.object_class) {
5977 char *msg = g_strdup_printf ("Marshalling of type object is not implemented");
5978 mono_mb_emit_exception_marshal_directive (mb, msg);
5982 if (klass->delegate) {
5984 if (!(t->attrs & PARAM_ATTRIBUTE_OUT)) {
5985 char *msg = g_strdup_printf ("Byref marshalling of delegates is not implemented.");
5986 mono_mb_emit_exception_marshal_directive (mb, msg);
5988 mono_mb_emit_byte (mb, CEE_LDNULL);
5989 mono_mb_emit_stloc (mb, conv_arg);
5991 mono_mb_emit_ldarg (mb, argnum);
5992 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_DEL_FTN));
5993 mono_mb_emit_stloc (mb, conv_arg);
5995 } else if (klass == mono_defaults.stringbuilder_class) {
5996 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
5997 MonoMarshalConv conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
5999 g_assert (!t->byref);
6000 mono_mb_emit_ldarg (mb, argnum);
6003 mono_mb_emit_icall (mb, conv_to_icall (conv));
6005 char *msg = g_strdup_printf ("stringbuilder marshalling conversion %d not implemented", encoding);
6006 MonoException *exc = mono_get_exception_not_implemented (msg);
6007 g_warning ("%s", msg);
6009 mono_raise_exception (exc);
6012 mono_mb_emit_stloc (mb, conv_arg);
6013 } else if (klass->blittable) {
6014 mono_mb_emit_byte (mb, CEE_LDNULL);
6015 mono_mb_emit_stloc (mb, conv_arg);
6017 mono_mb_emit_ldarg (mb, argnum);
6018 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6020 mono_mb_emit_ldarg (mb, argnum);
6021 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6022 mono_mb_emit_stloc (mb, conv_arg);
6024 mono_mb_patch_branch (mb, pos);
6027 mono_mb_emit_byte (mb, CEE_LDNULL);
6028 mono_mb_emit_stloc (mb, conv_arg);
6031 /* we dont need any conversions for out parameters */
6032 if (t->attrs & PARAM_ATTRIBUTE_OUT)
6035 mono_mb_emit_ldarg (mb, argnum);
6036 mono_mb_emit_byte (mb, CEE_LDIND_I);
6039 mono_mb_emit_ldarg (mb, argnum);
6040 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6041 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
6044 /* store the address of the source into local variable 0 */
6045 mono_mb_emit_stloc (mb, 0);
6046 mono_mb_emit_ldloc (mb, 0);
6047 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6049 /* allocate space for the native struct and store the address */
6050 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
6051 mono_mb_emit_byte (mb, CEE_PREFIX1);
6052 mono_mb_emit_byte (mb, CEE_LOCALLOC);
6053 mono_mb_emit_stloc (mb, conv_arg);
6056 /* Need to store the original buffer so we can free it later */
6057 m->orig_conv_args [argnum] = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6058 mono_mb_emit_ldloc (mb, conv_arg);
6059 mono_mb_emit_stloc (mb, m->orig_conv_args [argnum]);
6062 /* set the src_ptr */
6063 mono_mb_emit_ldloc (mb, 0);
6064 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6065 mono_mb_emit_stloc (mb, 0);
6068 mono_mb_emit_ldloc (mb, conv_arg);
6069 mono_mb_emit_stloc (mb, 1);
6071 /* emit valuetype conversion code */
6072 emit_struct_conv (mb, klass, FALSE);
6074 mono_mb_patch_branch (mb, pos);
6078 case MARSHAL_ACTION_CONV_OUT:
6079 if (klass == mono_defaults.stringbuilder_class) {
6081 MonoMarshalNative encoding;
6082 MonoMarshalConv conv;
6084 encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
6085 conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free);
6087 g_assert (!t->byref);
6088 g_assert (encoding != -1);
6090 mono_mb_emit_ldarg (mb, argnum);
6091 mono_mb_emit_ldloc (mb, conv_arg);
6093 mono_mb_emit_icall (mb, conv_to_icall (conv));
6096 mono_mb_emit_ldloc (mb, conv_arg);
6097 mono_mb_emit_icall (mb, mono_marshal_free);
6102 if (klass->delegate) {
6104 mono_mb_emit_ldarg (mb, argnum);
6105 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6106 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
6107 mono_mb_emit_ldloc (mb, conv_arg);
6108 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_FTN_DEL));
6109 mono_mb_emit_byte (mb, CEE_STIND_REF);
6114 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT)) {
6115 /* allocate a new object */
6116 mono_mb_emit_ldarg (mb, argnum);
6117 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6118 mono_mb_emit_op (mb, CEE_MONO_NEWOBJ, klass);
6119 mono_mb_emit_byte (mb, CEE_STIND_REF);
6122 /* dst = *argument */
6123 mono_mb_emit_ldarg (mb, argnum);
6126 mono_mb_emit_byte (mb, CEE_LDIND_I);
6128 mono_mb_emit_stloc (mb, 1);
6130 mono_mb_emit_ldloc (mb, 1);
6131 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6133 if (t->byref || (t->attrs & PARAM_ATTRIBUTE_OUT)) {
6134 mono_mb_emit_ldloc (mb, 1);
6135 mono_mb_emit_icon (mb, sizeof (MonoObject));
6136 mono_mb_emit_byte (mb, CEE_ADD);
6137 mono_mb_emit_stloc (mb, 1);
6139 /* src = tmp_locals [i] */
6140 mono_mb_emit_ldloc (mb, conv_arg);
6141 mono_mb_emit_stloc (mb, 0);
6143 /* emit valuetype conversion code */
6144 emit_struct_conv (mb, klass, TRUE);
6146 /* Free the structure returned by the native code */
6147 emit_struct_free (mb, klass, conv_arg);
6149 if (m->orig_conv_args [argnum]) {
6151 * If the native function changed the pointer, then free
6152 * the original structure plus the new pointer.
6154 mono_mb_emit_ldloc (mb, m->orig_conv_args [argnum]);
6155 mono_mb_emit_ldloc (mb, conv_arg);
6156 pos2 = mono_mb_emit_branch (mb, CEE_BEQ);
6158 if (!(t->attrs & PARAM_ATTRIBUTE_OUT)) {
6159 g_assert (m->orig_conv_args [argnum]);
6161 emit_struct_free (mb, klass, m->orig_conv_args [argnum]);
6164 mono_mb_emit_ldloc (mb, conv_arg);
6165 mono_mb_emit_icall (mb, g_free);
6167 mono_mb_patch_branch (mb, pos2);
6171 /* Free the original structure passed to native code */
6172 emit_struct_free (mb, klass, conv_arg);
6174 mono_mb_patch_branch (mb, pos);
6177 case MARSHAL_ACTION_PUSH:
6179 mono_mb_emit_ldloc_addr (mb, conv_arg);
6181 mono_mb_emit_ldloc (mb, conv_arg);
6184 case MARSHAL_ACTION_CONV_RESULT:
6185 if (klass->delegate) {
6186 g_assert (!t->byref);
6187 mono_mb_emit_stloc (mb, 0);
6188 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6189 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
6190 mono_mb_emit_ldloc (mb, 0);
6191 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_FTN_DEL));
6192 mono_mb_emit_stloc (mb, 3);
6195 mono_mb_emit_stloc (mb, 0);
6197 /* Make a copy since emit_conv modifies local 0 */
6198 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6199 mono_mb_emit_ldloc (mb, 0);
6200 mono_mb_emit_stloc (mb, loc);
6202 mono_mb_emit_byte (mb, CEE_LDNULL);
6203 mono_mb_emit_stloc (mb, 3);
6205 mono_mb_emit_ldloc (mb, 0);
6206 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6208 /* allocate result object */
6210 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6211 mono_mb_emit_op (mb, CEE_MONO_NEWOBJ, klass);
6212 mono_mb_emit_stloc (mb, 3);
6216 mono_mb_emit_ldloc (mb, 3);
6217 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6218 mono_mb_emit_stloc (mb, 1);
6220 /* emit conversion code */
6221 emit_struct_conv (mb, klass, TRUE);
6223 emit_struct_free (mb, klass, loc);
6225 /* Free the pointer allocated by unmanaged code */
6226 mono_mb_emit_ldloc (mb, loc);
6227 mono_mb_emit_icall (mb, g_free);
6228 mono_mb_patch_branch (mb, pos);
6232 case MARSHAL_ACTION_MANAGED_CONV_IN:
6233 conv_arg = mono_mb_add_local (mb, &klass->byval_arg);
6235 if (klass->delegate) {
6236 g_assert (!t->byref);
6237 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6238 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
6239 mono_mb_emit_ldarg (mb, argnum);
6240 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_FTN_DEL));
6241 mono_mb_emit_stloc (mb, conv_arg);
6245 if (klass == mono_defaults.stringbuilder_class) {
6246 MonoMarshalNative encoding;
6248 encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
6251 g_assert (encoding == MONO_NATIVE_LPSTR);
6253 g_assert (!t->byref);
6254 g_assert (encoding != -1);
6256 mono_mb_emit_ldarg (mb, argnum);
6257 mono_mb_emit_icall (mb, mono_string_utf8_to_builder2);
6258 mono_mb_emit_stloc (mb, conv_arg);
6262 /* The class can not have an automatic layout */
6263 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
6264 mono_mb_emit_auto_layout_exception (mb, klass);
6268 if (t->attrs & PARAM_ATTRIBUTE_OUT) {
6269 mono_mb_emit_byte (mb, CEE_LDNULL);
6270 mono_mb_emit_stloc (mb, conv_arg);
6275 mono_mb_emit_ldarg (mb, argnum);
6279 /* Check for NULL and raise an exception */
6280 pos2 = mono_mb_emit_branch (mb, CEE_BRTRUE);
6282 mono_mb_emit_exception (mb, "ArgumentNullException", NULL);
6284 mono_mb_patch_branch (mb, pos2);
6285 mono_mb_emit_ldarg (mb, argnum);
6286 mono_mb_emit_byte (mb, CEE_LDIND_I);
6289 mono_mb_emit_stloc (mb, 0);
6291 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
6292 mono_mb_emit_stloc (mb, conv_arg);
6294 mono_mb_emit_ldloc (mb, 0);
6295 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6297 /* Create and set dst */
6298 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6299 mono_mb_emit_op (mb, CEE_MONO_NEWOBJ, klass);
6300 mono_mb_emit_stloc (mb, conv_arg);
6301 mono_mb_emit_ldloc (mb, conv_arg);
6302 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6303 mono_mb_emit_stloc (mb, 1);
6305 /* emit valuetype conversion code */
6306 emit_struct_conv (mb, klass, TRUE);
6308 mono_mb_patch_branch (mb, pos);
6311 case MARSHAL_ACTION_MANAGED_CONV_OUT:
6313 /* Check for null */
6314 mono_mb_emit_ldloc (mb, conv_arg);
6315 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
6316 mono_mb_emit_ldarg (mb, argnum);
6317 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
6318 mono_mb_emit_byte (mb, CEE_STIND_REF);
6319 pos2 = mono_mb_emit_branch (mb, CEE_BR);
6321 mono_mb_patch_branch (mb, pos);
6324 mono_mb_emit_ldloc (mb, conv_arg);
6325 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6326 mono_mb_emit_stloc (mb, 0);
6328 /* Allocate and set dest */
6329 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
6330 mono_mb_emit_byte (mb, CEE_CONV_I);
6331 mono_mb_emit_icall (mb, mono_marshal_alloc);
6332 mono_mb_emit_stloc (mb, 1);
6334 /* Update argument pointer */
6335 mono_mb_emit_ldarg (mb, argnum);
6336 mono_mb_emit_ldloc (mb, 1);
6337 mono_mb_emit_byte (mb, CEE_STIND_I);
6339 /* emit valuetype conversion code */
6340 emit_struct_conv (mb, klass, FALSE);
6342 mono_mb_patch_branch (mb, pos2);
6344 /* byval [Out] marshalling */
6346 /* FIXME: Handle null */
6349 mono_mb_emit_ldloc (mb, conv_arg);
6350 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6351 mono_mb_emit_stloc (mb, 0);
6354 mono_mb_emit_ldarg (mb, argnum);
6355 mono_mb_emit_stloc (mb, 1);
6357 /* emit valuetype conversion code */
6358 emit_struct_conv (mb, klass, FALSE);
6362 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
6363 if (klass->delegate) {
6364 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_DEL_FTN));
6365 mono_mb_emit_stloc (mb, 3);
6369 /* The class can not have an automatic layout */
6370 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
6371 mono_mb_emit_auto_layout_exception (mb, klass);
6375 mono_mb_emit_stloc (mb, 0);
6376 /* Check for null */
6377 mono_mb_emit_ldloc (mb, 0);
6378 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
6379 mono_mb_emit_byte (mb, CEE_LDNULL);
6380 mono_mb_emit_stloc (mb, 3);
6381 pos2 = mono_mb_emit_branch (mb, CEE_BR);
6383 mono_mb_patch_branch (mb, pos);
6386 mono_mb_emit_ldloc (mb, 0);
6387 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6388 mono_mb_emit_stloc (mb, 0);
6390 /* Allocate and set dest */
6391 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
6392 mono_mb_emit_byte (mb, CEE_CONV_I);
6393 mono_mb_emit_icall (mb, mono_marshal_alloc);
6394 mono_mb_emit_byte (mb, CEE_DUP);
6395 mono_mb_emit_stloc (mb, 1);
6396 mono_mb_emit_stloc (mb, 3);
6398 emit_struct_conv (mb, klass, FALSE);
6400 mono_mb_patch_branch (mb, pos2);
6404 g_assert_not_reached ();
6411 emit_marshal_variant (EmitMarshalContext *m, int argnum, MonoType *t,
6412 MonoMarshalSpec *spec,
6413 int conv_arg, MonoType **conv_arg_type,
6414 MarshalAction action)
6416 MonoMethodBuilder *mb = m->mb;
6417 static MonoMethod *get_object_for_native_variant = NULL;
6418 static MonoMethod *get_native_variant_for_object = NULL;
6420 mono_init_com_types ();
6422 if (!get_object_for_native_variant)
6423 get_object_for_native_variant = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetObjectForNativeVariant", 1);
6424 g_assert (get_object_for_native_variant);
6426 if (!get_native_variant_for_object)
6427 get_native_variant_for_object = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetNativeVariantForObject", 2);
6428 g_assert (get_native_variant_for_object);
6431 case MARSHAL_ACTION_CONV_IN: {
6432 conv_arg = mono_mb_add_local (mb, &mono_defaults.variant_class->byval_arg);
6435 *conv_arg_type = &mono_defaults.variant_class->this_arg;
6437 *conv_arg_type = &mono_defaults.variant_class->byval_arg;
6439 if (t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && t->attrs & PARAM_ATTRIBUTE_OUT)
6442 mono_mb_emit_ldarg (mb, argnum);
6444 mono_mb_emit_byte(mb, CEE_LDIND_REF);
6445 mono_mb_emit_ldloc_addr (mb, conv_arg);
6446 mono_mb_emit_managed_call (mb, get_native_variant_for_object, NULL);
6450 case MARSHAL_ACTION_CONV_OUT: {
6451 static MonoMethod *variant_clear = NULL;
6454 variant_clear = mono_class_get_method_from_name (mono_defaults.variant_class, "Clear", 0);
6455 g_assert (variant_clear);
6458 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT || !(t->attrs & PARAM_ATTRIBUTE_IN))) {
6459 mono_mb_emit_ldarg (mb, argnum);
6460 mono_mb_emit_ldloc_addr (mb, conv_arg);
6461 mono_mb_emit_managed_call (mb, get_object_for_native_variant, NULL);
6462 mono_mb_emit_byte (mb, CEE_STIND_REF);
6465 mono_mb_emit_ldloc_addr (mb, conv_arg);
6466 mono_mb_emit_managed_call (mb, variant_clear, NULL);
6470 case MARSHAL_ACTION_PUSH:
6472 mono_mb_emit_ldloc_addr (mb, conv_arg);
6474 mono_mb_emit_ldloc (mb, conv_arg);
6477 case MARSHAL_ACTION_CONV_RESULT: {
6478 char *msg = g_strdup ("Marshalling of VARIANT not supported as a return type.");
6479 mono_mb_emit_exception_marshal_directive (mb, msg);
6483 case MARSHAL_ACTION_MANAGED_CONV_IN: {
6484 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
6487 *conv_arg_type = &mono_defaults.variant_class->this_arg;
6489 *conv_arg_type = &mono_defaults.variant_class->byval_arg;
6491 if (t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && t->attrs & PARAM_ATTRIBUTE_OUT)
6495 mono_mb_emit_ldarg (mb, argnum);
6497 mono_mb_emit_ldarg_addr (mb, argnum);
6498 mono_mb_emit_managed_call (mb, get_object_for_native_variant, NULL);
6499 mono_mb_emit_stloc (mb, conv_arg);
6503 case MARSHAL_ACTION_MANAGED_CONV_OUT: {
6504 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT || !(t->attrs & PARAM_ATTRIBUTE_IN))) {
6505 mono_mb_emit_ldloc (mb, conv_arg);
6506 mono_mb_emit_ldarg (mb, argnum);
6507 mono_mb_emit_managed_call (mb, get_native_variant_for_object, NULL);
6512 case MARSHAL_ACTION_MANAGED_CONV_RESULT: {
6513 char *msg = g_strdup ("Marshalling of VARIANT not supported as a return type.");
6514 mono_mb_emit_exception_marshal_directive (mb, msg);
6519 g_assert_not_reached ();
6526 emit_marshal_array (EmitMarshalContext *m, int argnum, MonoType *t,
6527 MonoMarshalSpec *spec,
6528 int conv_arg, MonoType **conv_arg_type,
6529 MarshalAction action)
6531 MonoMethodBuilder *mb = m->mb;
6532 MonoClass *klass = mono_class_from_mono_type (t);
6533 gboolean need_convert, need_free;
6534 MonoMarshalNative encoding;
6536 encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
6539 case MARSHAL_ACTION_CONV_IN:
6540 *conv_arg_type = &mono_defaults.object_class->byval_arg;
6541 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
6543 if (klass->element_class->blittable) {
6544 mono_mb_emit_ldarg (mb, argnum);
6546 mono_mb_emit_byte (mb, CEE_LDIND_I);
6547 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_ARRAY_LPARRAY));
6548 mono_mb_emit_stloc (mb, conv_arg);
6551 guint32 label1, label2, label3;
6552 int index_var, src_var, dest_ptr, esize;
6553 MonoMarshalConv conv;
6554 gboolean is_string = FALSE;
6556 dest_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6558 eklass = klass->element_class;
6560 if (eklass == mono_defaults.string_class) {
6562 conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
6564 else if (eklass == mono_defaults.stringbuilder_class) {
6566 conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
6571 src_var = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
6572 mono_mb_emit_ldarg (mb, argnum);
6574 mono_mb_emit_byte (mb, CEE_LDIND_I);
6575 mono_mb_emit_stloc (mb, src_var);
6578 mono_mb_emit_ldloc (mb, src_var);
6579 mono_mb_emit_stloc (mb, conv_arg);
6580 mono_mb_emit_ldloc (mb, src_var);
6581 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6585 char *msg = g_strdup_printf ("string/stringbuilder marshalling conversion %d not implemented", encoding);
6586 MonoException *exc = mono_get_exception_not_implemented (msg);
6587 g_warning ("%s", msg);
6589 mono_raise_exception (exc);
6594 esize = sizeof (gpointer);
6596 esize = mono_class_native_size (eklass, NULL);
6598 /* allocate space for the native struct and store the address */
6599 mono_mb_emit_icon (mb, esize);
6600 mono_mb_emit_ldloc (mb, src_var);
6601 mono_mb_emit_byte (mb, CEE_LDLEN);
6603 if (eklass == mono_defaults.string_class) {
6604 /* Make the array bigger for the terminating null */
6605 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
6606 mono_mb_emit_byte (mb, CEE_ADD);
6608 mono_mb_emit_byte (mb, CEE_MUL);
6609 mono_mb_emit_byte (mb, CEE_PREFIX1);
6610 mono_mb_emit_byte (mb, CEE_LOCALLOC);
6611 mono_mb_emit_stloc (mb, conv_arg);
6613 mono_mb_emit_ldloc (mb, conv_arg);
6614 mono_mb_emit_stloc (mb, dest_ptr);
6616 /* Emit marshalling loop */
6617 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6618 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
6619 mono_mb_emit_stloc (mb, index_var);
6620 label2 = mono_mb_get_label (mb);
6621 mono_mb_emit_ldloc (mb, index_var);
6622 mono_mb_emit_ldloc (mb, src_var);
6623 mono_mb_emit_byte (mb, CEE_LDLEN);
6624 label3 = mono_mb_emit_branch (mb, CEE_BGE);
6626 /* Emit marshalling code */
6629 mono_mb_emit_ldloc (mb, dest_ptr);
6630 mono_mb_emit_ldloc (mb, src_var);
6631 mono_mb_emit_ldloc (mb, index_var);
6632 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
6633 mono_mb_emit_icall (mb, conv_to_icall (conv));
6634 mono_mb_emit_byte (mb, CEE_STIND_I);
6636 /* set the src_ptr */
6637 mono_mb_emit_ldloc (mb, src_var);
6638 mono_mb_emit_ldloc (mb, index_var);
6639 mono_mb_emit_op (mb, CEE_LDELEMA, eklass);
6640 mono_mb_emit_stloc (mb, 0);
6643 mono_mb_emit_ldloc (mb, dest_ptr);
6644 mono_mb_emit_stloc (mb, 1);
6646 /* emit valuetype conversion code */
6647 emit_struct_conv (mb, eklass, FALSE);
6650 mono_mb_emit_add_to_local (mb, index_var, 1);
6651 mono_mb_emit_add_to_local (mb, dest_ptr, esize);
6653 mono_mb_emit_branch_label (mb, CEE_BR, label2);
6655 mono_mb_patch_branch (mb, label3);
6657 if (eklass == mono_defaults.string_class) {
6658 /* Null terminate */
6659 mono_mb_emit_ldloc (mb, dest_ptr);
6660 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
6661 mono_mb_emit_byte (mb, CEE_STIND_REF);
6664 mono_mb_patch_branch (mb, label1);
6669 case MARSHAL_ACTION_CONV_OUT:
6670 /* Unicode character arrays are implicitly marshalled as [Out] under MS.NET */
6671 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);
6672 need_free = mono_marshal_need_free (&klass->element_class->byval_arg,
6675 if (need_convert || need_free) {
6676 /* FIXME: Optimize blittable case */
6678 guint32 label1, label2, label3;
6679 int index_var, src_ptr, loc, esize;
6681 eklass = klass->element_class;
6682 if ((eklass == mono_defaults.stringbuilder_class) || (eklass == mono_defaults.string_class))
6683 esize = sizeof (gpointer);
6685 esize = mono_class_native_size (eklass, NULL);
6686 src_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6687 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6690 mono_mb_emit_ldarg (mb, argnum);
6692 mono_mb_emit_byte (mb, CEE_LDIND_I);
6693 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6695 mono_mb_emit_ldloc (mb, conv_arg);
6696 mono_mb_emit_stloc (mb, src_ptr);
6698 /* Emit marshalling loop */
6699 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6700 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
6701 mono_mb_emit_stloc (mb, index_var);
6702 label2 = mono_mb_get_label (mb);
6703 mono_mb_emit_ldloc (mb, index_var);
6704 mono_mb_emit_ldarg (mb, argnum);
6706 mono_mb_emit_byte (mb, CEE_LDIND_REF);
6707 mono_mb_emit_byte (mb, CEE_LDLEN);
6708 label3 = mono_mb_emit_branch (mb, CEE_BGE);
6710 /* Emit marshalling code */
6712 if (eklass == mono_defaults.stringbuilder_class) {
6713 gboolean need_free2;
6714 MonoMarshalConv conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free2);
6716 g_assert (conv != -1);
6719 mono_mb_emit_ldarg (mb, argnum);
6721 mono_mb_emit_byte (mb, CEE_LDIND_I);
6722 mono_mb_emit_ldloc (mb, index_var);
6723 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
6726 mono_mb_emit_ldloc (mb, src_ptr);
6727 mono_mb_emit_byte (mb, CEE_LDIND_I);
6729 mono_mb_emit_icall (mb, conv_to_icall (conv));
6733 mono_mb_emit_ldloc (mb, src_ptr);
6734 mono_mb_emit_byte (mb, CEE_LDIND_I);
6736 mono_mb_emit_icall (mb, mono_marshal_free);
6739 else if (eklass == mono_defaults.string_class) {
6742 mono_mb_emit_ldloc (mb, src_ptr);
6743 mono_mb_emit_byte (mb, CEE_LDIND_I);
6745 mono_mb_emit_icall (mb, mono_marshal_free);
6750 /* set the src_ptr */
6751 mono_mb_emit_ldloc (mb, src_ptr);
6752 mono_mb_emit_stloc (mb, 0);
6755 mono_mb_emit_ldarg (mb, argnum);
6757 mono_mb_emit_byte (mb, CEE_LDIND_REF);
6758 mono_mb_emit_ldloc (mb, index_var);
6759 mono_mb_emit_op (mb, CEE_LDELEMA, eklass);
6760 mono_mb_emit_stloc (mb, 1);
6762 /* emit valuetype conversion code */
6763 emit_struct_conv (mb, eklass, TRUE);
6767 mono_mb_emit_ldloc (mb, src_ptr);
6768 mono_mb_emit_stloc (mb, loc);
6769 mono_mb_emit_ldloc (mb, loc);
6771 emit_struct_free (mb, eklass, loc);
6775 mono_mb_emit_add_to_local (mb, index_var, 1);
6776 mono_mb_emit_add_to_local (mb, src_ptr, esize);
6778 mono_mb_emit_branch_label (mb, CEE_BR, label2);
6780 mono_mb_patch_branch (mb, label1);
6781 mono_mb_patch_branch (mb, label3);
6784 if (klass->element_class->blittable) {
6785 /* free memory allocated (if any) by MONO_MARSHAL_CONV_ARRAY_LPARRAY */
6787 mono_mb_emit_ldarg (mb, argnum);
6788 mono_mb_emit_ldloc (mb, conv_arg);
6789 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_FREE_LPARRAY));
6794 case MARSHAL_ACTION_PUSH:
6796 mono_mb_emit_ldloc_addr (mb, conv_arg);
6798 mono_mb_emit_ldloc (mb, conv_arg);
6801 case MARSHAL_ACTION_CONV_RESULT:
6802 /* fixme: we need conversions here */
6803 mono_mb_emit_stloc (mb, 3);
6806 case MARSHAL_ACTION_MANAGED_CONV_IN: {
6808 guint32 label1, label2, label3;
6809 int index_var, src_ptr, loc, esize, param_num, num_elem;
6810 MonoMarshalConv conv;
6811 gboolean is_string = FALSE;
6813 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
6814 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6817 char *msg = g_strdup ("Byref array marshalling to managed code is not implemented.");
6818 mono_mb_emit_exception_marshal_directive (mb, msg);
6822 char *msg = g_strdup ("[MarshalAs] attribute required to marshal arrays to managed code.");
6823 mono_mb_emit_exception_marshal_directive (mb, msg);
6826 if (spec->native != MONO_NATIVE_LPARRAY) {
6827 char *msg = g_strdup ("Non LPArray marshalling of arrays to managed code is not implemented.");
6828 mono_mb_emit_exception_marshal_directive (mb, msg);
6832 /* FIXME: t is from the method which is wrapped, not the delegate type */
6833 /* g_assert (t->attrs & PARAM_ATTRIBUTE_IN); */
6835 param_num = spec->data.array_data.param_num;
6836 num_elem = spec->data.array_data.num_elem;
6837 if (spec->data.array_data.elem_mult == 0)
6838 /* param_num is not specified */
6841 if (param_num == -1) {
6842 if (num_elem <= 0) {
6843 char *msg = g_strdup ("Either SizeConst or SizeParamIndex should be specified when marshalling arrays to managed code.");
6844 mono_mb_emit_exception_marshal_directive (mb, msg);
6849 /* FIXME: Optimize blittable case */
6851 eklass = klass->element_class;
6852 if (eklass == mono_defaults.string_class) {
6854 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
6856 else if (eklass == mono_defaults.stringbuilder_class) {
6858 conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free);
6863 mono_marshal_load_type_info (eklass);
6866 esize = sizeof (gpointer);
6868 esize = mono_class_native_size (eklass, NULL);
6869 src_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6870 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6872 mono_mb_emit_byte (mb, CEE_LDNULL);
6873 mono_mb_emit_stloc (mb, conv_arg);
6875 /* Check param index */
6876 if (param_num != -1) {
6877 if (param_num >= m->sig->param_count) {
6878 char *msg = g_strdup ("Array size control parameter index is out of range.");
6879 mono_mb_emit_exception_marshal_directive (mb, msg);
6882 switch (m->sig->params [param_num]->type) {
6895 char *msg = g_strdup ("Array size control parameter must be an integral type.");
6896 mono_mb_emit_exception_marshal_directive (mb, msg);
6903 mono_mb_emit_ldarg (mb, argnum);
6904 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6906 mono_mb_emit_ldarg (mb, argnum);
6907 mono_mb_emit_stloc (mb, src_ptr);
6909 /* Create managed array */
6911 * The LPArray marshalling spec says that sometimes param_num starts
6912 * from 1, sometimes it starts from 0. But MS seems to allways start
6916 if (param_num == -1) {
6917 mono_mb_emit_icon (mb, num_elem);
6919 mono_mb_emit_ldarg (mb, param_num);
6921 mono_mb_emit_icon (mb, num_elem);
6922 mono_mb_emit_byte (mb, CEE_ADD);
6924 mono_mb_emit_byte (mb, CEE_CONV_OVF_I);
6927 mono_mb_emit_op (mb, CEE_NEWARR, eklass);
6928 mono_mb_emit_stloc (mb, conv_arg);
6930 if (eklass->blittable) {
6931 mono_mb_emit_ldloc (mb, conv_arg);
6932 mono_mb_emit_byte (mb, CEE_CONV_I);
6933 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArray, vector));
6934 mono_mb_emit_byte (mb, CEE_ADD);
6935 mono_mb_emit_ldarg (mb, argnum);
6936 mono_mb_emit_ldloc (mb, conv_arg);
6937 mono_mb_emit_byte (mb, CEE_LDLEN);
6938 mono_mb_emit_icon (mb, esize);
6939 mono_mb_emit_byte (mb, CEE_MUL);
6940 mono_mb_emit_byte (mb, CEE_PREFIX1);
6941 mono_mb_emit_byte (mb, CEE_CPBLK);
6945 /* Emit marshalling loop */
6946 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6947 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
6948 mono_mb_emit_stloc (mb, index_var);
6949 label2 = mono_mb_get_label (mb);
6950 mono_mb_emit_ldloc (mb, index_var);
6951 mono_mb_emit_ldloc (mb, conv_arg);
6952 mono_mb_emit_byte (mb, CEE_LDLEN);
6953 label3 = mono_mb_emit_branch (mb, CEE_BGE);
6955 /* Emit marshalling code */
6957 g_assert (conv != -1);
6959 mono_mb_emit_ldloc (mb, conv_arg);
6960 mono_mb_emit_ldloc (mb, index_var);
6962 mono_mb_emit_ldloc (mb, src_ptr);
6963 mono_mb_emit_byte (mb, CEE_LDIND_I);
6965 mono_mb_emit_icall (mb, conv_to_icall (conv));
6966 mono_mb_emit_byte (mb, CEE_STELEM_REF);
6969 char *msg = g_strdup ("Marshalling of non-string and non-blittable arrays to managed code is not implemented.");
6970 mono_mb_emit_exception_marshal_directive (mb, msg);
6974 mono_mb_emit_add_to_local (mb, index_var, 1);
6975 mono_mb_emit_add_to_local (mb, src_ptr, esize);
6977 mono_mb_emit_branch_label (mb, CEE_BR, label2);
6979 mono_mb_patch_branch (mb, label1);
6980 mono_mb_patch_branch (mb, label3);
6984 case MARSHAL_ACTION_MANAGED_CONV_OUT: {
6986 guint32 label1, label2, label3;
6987 int index_var, dest_ptr, loc, esize, param_num, num_elem;
6988 MonoMarshalConv conv;
6989 gboolean is_string = FALSE;
6992 /* Already handled in CONV_IN */
6995 /* These are already checked in CONV_IN */
6996 g_assert (!t->byref);
6997 g_assert (spec->native == MONO_NATIVE_LPARRAY);
6998 g_assert (t->attrs & PARAM_ATTRIBUTE_OUT);
7000 param_num = spec->data.array_data.param_num;
7001 num_elem = spec->data.array_data.num_elem;
7003 if (spec->data.array_data.elem_mult == 0)
7004 /* param_num is not specified */
7007 if (param_num == -1) {
7008 if (num_elem <= 0) {
7009 g_assert_not_reached ();
7013 /* FIXME: Optimize blittable case */
7015 eklass = klass->element_class;
7016 if (eklass == mono_defaults.string_class) {
7018 conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
7020 else if (eklass == mono_defaults.stringbuilder_class) {
7022 conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
7027 mono_marshal_load_type_info (eklass);
7030 esize = sizeof (gpointer);
7032 esize = mono_class_native_size (eklass, NULL);
7034 dest_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7035 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7038 mono_mb_emit_ldloc (mb, conv_arg);
7039 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
7041 mono_mb_emit_ldarg (mb, argnum);
7042 mono_mb_emit_stloc (mb, dest_ptr);
7044 if (eklass->blittable) {
7046 mono_mb_emit_ldarg (mb, argnum);
7048 mono_mb_emit_ldloc (mb, conv_arg);
7049 mono_mb_emit_byte (mb, CEE_CONV_I);
7050 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArray, vector));
7051 mono_mb_emit_byte (mb, CEE_ADD);
7053 mono_mb_emit_ldloc (mb, conv_arg);
7054 mono_mb_emit_byte (mb, CEE_LDLEN);
7055 mono_mb_emit_icon (mb, esize);
7056 mono_mb_emit_byte (mb, CEE_MUL);
7057 mono_mb_emit_byte (mb, CEE_PREFIX1);
7058 mono_mb_emit_byte (mb, CEE_CPBLK);
7062 /* Emit marshalling loop */
7063 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7064 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7065 mono_mb_emit_stloc (mb, index_var);
7066 label2 = mono_mb_get_label (mb);
7067 mono_mb_emit_ldloc (mb, index_var);
7068 mono_mb_emit_ldloc (mb, conv_arg);
7069 mono_mb_emit_byte (mb, CEE_LDLEN);
7070 label3 = mono_mb_emit_branch (mb, CEE_BGE);
7072 /* Emit marshalling code */
7074 g_assert (conv != -1);
7077 mono_mb_emit_ldloc (mb, dest_ptr);
7080 mono_mb_emit_ldloc (mb, conv_arg);
7081 mono_mb_emit_ldloc (mb, index_var);
7083 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
7085 mono_mb_emit_icall (mb, conv_to_icall (conv));
7086 mono_mb_emit_byte (mb, CEE_STIND_I);
7089 char *msg = g_strdup ("Marshalling of non-string and non-blittable arrays to managed code is not implemented.");
7090 mono_mb_emit_exception_marshal_directive (mb, msg);
7094 mono_mb_emit_add_to_local (mb, index_var, 1);
7095 mono_mb_emit_add_to_local (mb, dest_ptr, esize);
7097 mono_mb_emit_branch_label (mb, CEE_BR, label2);
7099 mono_mb_patch_branch (mb, label1);
7100 mono_mb_patch_branch (mb, label3);
7104 case MARSHAL_ACTION_MANAGED_CONV_RESULT: {
7106 guint32 label1, label2, label3;
7107 int index_var, src, dest, esize;
7108 MonoMarshalConv conv = -1;
7109 gboolean is_string = FALSE;
7111 g_assert (!t->byref);
7113 eklass = klass->element_class;
7115 mono_marshal_load_type_info (eklass);
7117 if (eklass == mono_defaults.string_class) {
7119 conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
7122 g_assert_not_reached ();
7126 esize = sizeof (gpointer);
7128 esize = mono_class_native_size (eklass, NULL);
7130 src = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
7131 dest = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7133 mono_mb_emit_stloc (mb, src);
7134 mono_mb_emit_ldloc (mb, src);
7135 mono_mb_emit_stloc (mb, 3);
7137 /* Check for null */
7138 mono_mb_emit_ldloc (mb, src);
7139 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
7141 /* Allocate native array */
7142 mono_mb_emit_icon (mb, esize);
7143 mono_mb_emit_ldloc (mb, src);
7144 mono_mb_emit_byte (mb, CEE_LDLEN);
7146 if (eklass == mono_defaults.string_class) {
7147 /* Make the array bigger for the terminating null */
7148 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
7149 mono_mb_emit_byte (mb, CEE_ADD);
7151 mono_mb_emit_byte (mb, CEE_MUL);
7152 mono_mb_emit_icall (mb, mono_marshal_alloc);
7153 mono_mb_emit_stloc (mb, dest);
7154 mono_mb_emit_ldloc (mb, dest);
7155 mono_mb_emit_stloc (mb, 3);
7157 /* Emit marshalling loop */
7158 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7159 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7160 mono_mb_emit_stloc (mb, index_var);
7161 label2 = mono_mb_get_label (mb);
7162 mono_mb_emit_ldloc (mb, index_var);
7163 mono_mb_emit_ldloc (mb, src);
7164 mono_mb_emit_byte (mb, CEE_LDLEN);
7165 label3 = mono_mb_emit_branch (mb, CEE_BGE);
7167 /* Emit marshalling code */
7169 g_assert (conv != -1);
7172 mono_mb_emit_ldloc (mb, dest);
7175 mono_mb_emit_ldloc (mb, src);
7176 mono_mb_emit_ldloc (mb, index_var);
7178 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
7180 mono_mb_emit_icall (mb, conv_to_icall (conv));
7181 mono_mb_emit_byte (mb, CEE_STIND_I);
7184 char *msg = g_strdup ("Marshalling of non-string arrays to managed code is not implemented.");
7185 mono_mb_emit_exception_marshal_directive (mb, msg);
7189 mono_mb_emit_add_to_local (mb, index_var, 1);
7190 mono_mb_emit_add_to_local (mb, dest, esize);
7192 mono_mb_emit_branch_label (mb, CEE_BR, label2);
7194 mono_mb_patch_branch (mb, label3);
7195 mono_mb_patch_branch (mb, label1);
7199 g_assert_not_reached ();
7206 emit_marshal_boolean (EmitMarshalContext *m, int argnum, MonoType *t,
7207 MonoMarshalSpec *spec,
7208 int conv_arg, MonoType **conv_arg_type,
7209 MarshalAction action)
7211 MonoMethodBuilder *mb = m->mb;
7214 case MARSHAL_ACTION_CONV_IN: {
7215 MonoType *local_type;
7217 guint8 ldc_op = CEE_LDC_I4_1;
7220 local_type = &mono_defaults.int32_class->byval_arg;
7222 switch (spec->native) {
7223 case MONO_NATIVE_I1:
7224 case MONO_NATIVE_U1:
7225 local_type = &mono_defaults.byte_class->byval_arg;
7227 case MONO_NATIVE_VARIANTBOOL:
7228 local_type = &mono_defaults.int16_class->byval_arg;
7229 ldc_op = CEE_LDC_I4_M1;
7231 case MONO_NATIVE_BOOLEAN:
7232 local_type = &mono_defaults.int32_class->byval_arg;
7235 g_warning ("marshalling bool as native type %x is currently not supported", spec->native);
7236 local_type = &mono_defaults.int32_class->byval_arg;
7241 *conv_arg_type = &mono_defaults.int_class->byval_arg;
7243 *conv_arg_type = local_type;
7244 conv_arg = mono_mb_add_local (mb, local_type);
7246 mono_mb_emit_ldarg (mb, argnum);
7248 mono_mb_emit_byte (mb, CEE_LDIND_I1);
7249 label_false = mono_mb_emit_branch (mb, CEE_BRFALSE);
7250 mono_mb_emit_byte (mb, ldc_op);
7251 mono_mb_emit_stloc (mb, conv_arg);
7252 mono_mb_patch_branch (mb, label_false);
7257 case MARSHAL_ACTION_CONV_OUT:
7259 int label_false, label_end;
7263 mono_mb_emit_ldarg (mb, argnum);
7264 mono_mb_emit_ldloc (mb, conv_arg);
7266 label_false = mono_mb_emit_branch (mb, CEE_BRFALSE);
7267 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
7269 label_end = mono_mb_emit_branch (mb, CEE_BR);
7270 mono_mb_patch_branch (mb, label_false);
7271 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7272 mono_mb_patch_branch (mb, label_end);
7274 mono_mb_emit_byte (mb, CEE_STIND_I1);
7278 case MARSHAL_ACTION_PUSH:
7280 mono_mb_emit_ldloc_addr (mb, conv_arg);
7282 mono_mb_emit_ldloc (mb, conv_arg);
7284 mono_mb_emit_ldarg (mb, argnum);
7287 case MARSHAL_ACTION_CONV_RESULT:
7288 /* maybe we need to make sure that it fits within 8 bits */
7289 mono_mb_emit_stloc (mb, 3);
7292 case MARSHAL_ACTION_MANAGED_CONV_IN: {
7293 MonoClass* conv_arg_class = mono_defaults.int32_class;
7294 guint8 ldop = CEE_LDIND_I4;
7295 int label_null, label_false;
7297 conv_arg = mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
7300 switch (spec->native) {
7301 case MONO_NATIVE_I1:
7302 case MONO_NATIVE_U1:
7303 conv_arg_class = mono_defaults.byte_class;
7304 ldop = CEE_LDIND_I1;
7306 case MONO_NATIVE_VARIANTBOOL:
7307 conv_arg_class = mono_defaults.int16_class;
7308 ldop = CEE_LDIND_I2;
7310 case MONO_NATIVE_BOOLEAN:
7313 g_warning ("marshalling bool as native type %x is currently not supported", spec->native);
7318 *conv_arg_type = &conv_arg_class->this_arg;
7320 *conv_arg_type = &conv_arg_class->byval_arg;
7323 mono_mb_emit_ldarg (mb, argnum);
7328 label_null = mono_mb_emit_branch (mb, CEE_BRFALSE);
7329 mono_mb_emit_ldarg (mb, argnum);
7330 mono_mb_emit_byte (mb, ldop);
7333 label_false = mono_mb_emit_branch (mb, CEE_BRFALSE);
7334 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
7335 mono_mb_emit_stloc (mb, conv_arg);
7336 mono_mb_patch_branch (mb, label_false);
7339 mono_mb_patch_branch (mb, label_null);
7343 case MARSHAL_ACTION_MANAGED_CONV_OUT: {
7344 guint8 stop = CEE_STIND_I4;
7345 guint8 ldc_op = CEE_LDC_I4_1;
7346 int label_null,label_false, label_end;;
7351 switch (spec->native) {
7352 case MONO_NATIVE_I1:
7353 case MONO_NATIVE_U1:
7354 stop = CEE_STIND_I1;
7356 case MONO_NATIVE_VARIANTBOOL:
7357 stop = CEE_STIND_I2;
7358 ldc_op = CEE_LDC_I4_M1;
7366 mono_mb_emit_ldarg (mb, argnum);
7367 label_null = mono_mb_emit_branch (mb, CEE_BRFALSE);
7369 mono_mb_emit_ldarg (mb, argnum);
7370 mono_mb_emit_ldloc (mb, conv_arg);
7372 label_false = mono_mb_emit_branch (mb, CEE_BRFALSE);
7373 mono_mb_emit_byte (mb, ldc_op);
7374 label_end = mono_mb_emit_branch (mb, CEE_BR);
7376 mono_mb_patch_branch (mb, label_false);
7377 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7378 mono_mb_patch_branch (mb, label_end);
7380 mono_mb_emit_byte (mb, stop);
7381 mono_mb_patch_branch (mb, label_null);
7386 g_assert_not_reached ();
7393 emit_marshal_ptr (EmitMarshalContext *m, int argnum, MonoType *t,
7394 MonoMarshalSpec *spec, int conv_arg,
7395 MonoType **conv_arg_type, MarshalAction action)
7397 MonoMethodBuilder *mb = m->mb;
7400 case MARSHAL_ACTION_CONV_IN:
7401 if (MONO_TYPE_ISSTRUCT (t->data.type) && !mono_class_from_mono_type (t->data.type)->blittable) {
7402 char *msg = g_strdup_printf ("Can not marshal 'parameter #%d': Pointers can not reference marshaled structures. Use byref instead.", argnum + 1);
7403 mono_mb_emit_exception_marshal_directive (m->mb, msg);
7407 case MARSHAL_ACTION_PUSH:
7408 mono_mb_emit_ldarg (mb, argnum);
7411 case MARSHAL_ACTION_CONV_RESULT:
7412 /* no conversions necessary */
7413 mono_mb_emit_stloc (mb, 3);
7424 emit_marshal_char (EmitMarshalContext *m, int argnum, MonoType *t,
7425 MonoMarshalSpec *spec, int conv_arg,
7426 MonoType **conv_arg_type, MarshalAction action)
7428 MonoMethodBuilder *mb = m->mb;
7431 case MARSHAL_ACTION_PUSH:
7432 /* fixme: dont know how to marshal that. We cant simply
7433 * convert it to a one byte UTF8 character, because an
7434 * unicode character may need more that one byte in UTF8 */
7435 mono_mb_emit_ldarg (mb, argnum);
7438 case MARSHAL_ACTION_CONV_RESULT:
7439 /* fixme: we need conversions here */
7440 mono_mb_emit_stloc (mb, 3);
7451 emit_marshal_scalar (EmitMarshalContext *m, int argnum, MonoType *t,
7452 MonoMarshalSpec *spec, int conv_arg,
7453 MonoType **conv_arg_type, MarshalAction action)
7455 MonoMethodBuilder *mb = m->mb;
7458 case MARSHAL_ACTION_PUSH:
7459 mono_mb_emit_ldarg (mb, argnum);
7462 case MARSHAL_ACTION_CONV_RESULT:
7463 /* no conversions necessary */
7464 mono_mb_emit_stloc (mb, 3);
7475 emit_marshal (EmitMarshalContext *m, int argnum, MonoType *t,
7476 MonoMarshalSpec *spec, int conv_arg,
7477 MonoType **conv_arg_type, MarshalAction action)
7479 /* Ensure that we have marshalling info for this param */
7480 mono_marshal_load_type_info (mono_class_from_mono_type (t));
7482 if (spec && spec->native == MONO_NATIVE_CUSTOM)
7483 return emit_marshal_custom (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7485 if (spec && spec->native == MONO_NATIVE_ASANY)
7486 return emit_marshal_asany (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7489 case MONO_TYPE_VALUETYPE:
7490 if (t->data.klass == mono_defaults.handleref_class)
7491 return emit_marshal_handleref (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7493 return emit_marshal_vtype (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7494 case MONO_TYPE_STRING:
7495 return emit_marshal_string (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7496 case MONO_TYPE_CLASS:
7497 case MONO_TYPE_OBJECT:
7498 if (spec && spec->native == MONO_NATIVE_STRUCT)
7499 return emit_marshal_variant (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7502 if (spec && (spec->native == MONO_NATIVE_IUNKNOWN ||
7503 spec->native == MONO_NATIVE_IDISPATCH ||
7504 spec->native == MONO_NATIVE_INTERFACE))
7505 return mono_cominterop_emit_marshal_com_interface (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7506 if (spec && (spec->native == MONO_NATIVE_SAFEARRAY) &&
7507 (spec->data.safearray_data.elem_type == MONO_VARIANT_VARIANT) &&
7508 (action == MARSHAL_ACTION_CONV_OUT))
7509 return mono_cominterop_emit_marshal_safearray (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7512 if (mono_defaults.safehandle_class != NULL && t->data.klass &&
7513 mono_class_is_subclass_of (t->data.klass, mono_defaults.safehandle_class, FALSE))
7514 return emit_marshal_safehandle (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7516 return emit_marshal_object (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7517 case MONO_TYPE_ARRAY:
7518 case MONO_TYPE_SZARRAY:
7519 return emit_marshal_array (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7520 case MONO_TYPE_BOOLEAN:
7521 return emit_marshal_boolean (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7523 return emit_marshal_ptr (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7524 case MONO_TYPE_CHAR:
7525 return emit_marshal_char (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7538 case MONO_TYPE_FNPTR:
7539 return emit_marshal_scalar (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7540 case MONO_TYPE_GENERICINST:
7541 if (mono_type_generic_inst_is_valuetype (t))
7542 return emit_marshal_vtype (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7544 return emit_marshal_object (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7551 * mono_marshal_emit_native_wrapper:
7552 * @image: the image to use for looking up custom marshallers
7553 * @sig: The signature of the native function
7554 * @piinfo: Marshalling information
7555 * @mspecs: Marshalling information
7556 * @aot: whenever the created method will be compiled by the AOT compiler
7557 * @method: if non-NULL, the pinvoke method to call
7558 * @check_exceptions: Whenever to check for pending exceptions after the native call
7560 * generates IL code for the pinvoke wrapper, the generated code calls @func.
7563 mono_marshal_emit_native_wrapper (MonoImage *image, MonoMethodBuilder *mb, MonoMethodSignature *sig, MonoMethodPInvoke *piinfo, MonoMarshalSpec **mspecs, gpointer func, gboolean aot, gboolean check_exceptions)
7565 EmitMarshalContext m;
7566 MonoMethodSignature *csig;
7568 int i, argnum, *tmp_locals;
7570 static MonoMethodSignature *get_last_error_sig = NULL;
7575 /* we copy the signature, so that we can set pinvoke to 0 */
7576 csig = signature_dup (mb->method->klass->image, sig);
7581 /* we allocate local for use with emit_struct_conv() */
7582 /* allocate local 0 (pointer) src_ptr */
7583 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7584 /* allocate local 1 (pointer) dst_ptr */
7585 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7586 /* allocate local 2 (boolean) delete_old */
7587 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
7589 /* delete_old = FALSE */
7590 mono_mb_emit_icon (mb, 0);
7591 mono_mb_emit_stloc (mb, 2);
7593 if (!MONO_TYPE_IS_VOID(sig->ret)) {
7594 /* allocate local 3 to store the return value */
7595 mono_mb_add_local (mb, sig->ret);
7598 if (mspecs [0] && mspecs [0]->native == MONO_NATIVE_CUSTOM) {
7599 /* Return type custom marshaling */
7601 * Since we can't determine the return type of the unmanaged function,
7602 * we assume it returns a pointer, and pass that pointer to
7603 * MarshalNativeToManaged.
7605 csig->ret = &mono_defaults.int_class->byval_arg;
7608 /* we first do all conversions */
7609 tmp_locals = alloca (sizeof (int) * sig->param_count);
7610 m.orig_conv_args = alloca (sizeof (int) * (sig->param_count + 1));
7612 for (i = 0; i < sig->param_count; i ++) {
7613 tmp_locals [i] = emit_marshal (&m, i + sig->hasthis, sig->params [i], mspecs [i + 1], 0, &csig->params [i], MARSHAL_ACTION_CONV_IN);
7616 /* push all arguments */
7619 mono_mb_emit_byte (mb, CEE_LDARG_0);
7621 for (i = 0; i < sig->param_count; i++) {
7622 emit_marshal (&m, i + sig->hasthis, sig->params [i], mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_PUSH);
7625 /* call the native method */
7626 if (MONO_CLASS_IS_IMPORT (mb->method->klass)) {
7628 mono_mb_emit_cominterop_call (mb, csig, &piinfo->method);
7630 g_assert_not_reached ();
7635 /* Reuse the ICALL_ADDR opcode for pinvokes too */
7636 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
7637 mono_mb_emit_op (mb, CEE_MONO_ICALL_ADDR, &piinfo->method);
7638 mono_mb_emit_calli (mb, csig);
7640 mono_mb_emit_native_call (mb, csig, func);
7644 /* Set LastError if needed */
7645 if (piinfo->piflags & PINVOKE_ATTRIBUTE_SUPPORTS_LAST_ERROR) {
7646 if (!get_last_error_sig) {
7647 get_last_error_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
7648 get_last_error_sig->ret = &mono_defaults.int_class->byval_arg;
7649 get_last_error_sig->pinvoke = 1;
7652 #ifdef PLATFORM_WIN32
7654 * Have to call GetLastError () early and without a wrapper, since various runtime components could
7655 * clobber its value.
7657 mono_mb_emit_native_call (mb, get_last_error_sig, GetLastError);
7658 mono_mb_emit_icall (mb, mono_marshal_set_last_error_windows);
7660 mono_mb_emit_icall (mb, mono_marshal_set_last_error);
7664 /* convert the result */
7665 if (!sig->ret->byref) {
7666 MonoMarshalSpec *spec = mspecs [0];
7667 type = sig->ret->type;
7669 if (spec && spec->native == MONO_NATIVE_CUSTOM) {
7670 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
7675 case MONO_TYPE_VOID:
7677 case MONO_TYPE_VALUETYPE:
7678 klass = sig->ret->data.klass;
7679 if (klass->enumtype) {
7680 type = mono_class_enum_basetype (sig->ret->data.klass)->type;
7683 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
7697 case MONO_TYPE_FNPTR:
7698 case MONO_TYPE_STRING:
7699 case MONO_TYPE_CLASS:
7700 case MONO_TYPE_OBJECT:
7701 case MONO_TYPE_BOOLEAN:
7702 case MONO_TYPE_ARRAY:
7703 case MONO_TYPE_SZARRAY:
7704 case MONO_TYPE_CHAR:
7706 case MONO_TYPE_GENERICINST:
7707 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
7709 case MONO_TYPE_TYPEDBYREF:
7711 g_warning ("return type 0x%02x unknown", sig->ret->type);
7712 g_assert_not_reached ();
7716 mono_mb_emit_stloc (mb, 3);
7720 * Need to call this after converting the result since MONO_VTADDR needs
7721 * to be adjacent to the call instruction.
7723 if (check_exceptions)
7724 emit_thread_interrupt_checkpoint (mb);
7726 /* we need to convert byref arguments back and free string arrays */
7727 for (i = 0; i < sig->param_count; i++) {
7728 MonoType *t = sig->params [i];
7729 MonoMarshalSpec *spec = mspecs [i + 1];
7731 argnum = i + sig->hasthis;
7733 if (spec && ((spec->native == MONO_NATIVE_CUSTOM) || (spec->native == MONO_NATIVE_ASANY))) {
7734 emit_marshal (&m, argnum, t, spec, tmp_locals [i], NULL, MARSHAL_ACTION_CONV_OUT);
7739 case MONO_TYPE_STRING:
7740 case MONO_TYPE_VALUETYPE:
7741 case MONO_TYPE_CLASS:
7742 case MONO_TYPE_OBJECT:
7743 case MONO_TYPE_SZARRAY:
7744 case MONO_TYPE_BOOLEAN:
7745 emit_marshal (&m, argnum, t, spec, tmp_locals [i], NULL, MARSHAL_ACTION_CONV_OUT);
7750 if (!MONO_TYPE_IS_VOID(sig->ret))
7751 mono_mb_emit_ldloc (mb, 3);
7753 mono_mb_emit_byte (mb, CEE_RET);
7757 * mono_marshal_get_native_wrapper:
7758 * @method: The MonoMethod to wrap.
7759 * @check_exceptions: Whenever to check for pending exceptions
7761 * generates IL code for the pinvoke wrapper (the generated method
7762 * calls the unmanaged code in piinfo->addr)
7765 mono_marshal_get_native_wrapper (MonoMethod *method, gboolean check_exceptions, gboolean aot)
7767 MonoMethodSignature *sig, *csig;
7768 MonoMethodPInvoke *piinfo = (MonoMethodPInvoke *) method;
7769 MonoMethodBuilder *mb;
7770 MonoMarshalSpec **mspecs;
7773 gboolean pinvoke = FALSE;
7776 const char *exc_class = "MissingMethodException";
7777 const char *exc_arg = NULL;
7779 g_assert (method != NULL);
7780 g_assert (mono_method_signature (method)->pinvoke);
7783 cache = get_cache (&method->klass->image->native_wrapper_aot_cache, mono_aligned_addr_hash, NULL);
7785 cache = get_cache (&method->klass->image->native_wrapper_cache, mono_aligned_addr_hash, NULL);
7786 if ((res = mono_marshal_find_in_cache (cache, method)))
7789 if (MONO_CLASS_IS_IMPORT (method->klass)) {
7791 return mono_cominterop_get_native_wrapper (method);
7793 g_assert_not_reached ();
7797 sig = mono_method_signature (method);
7799 if (!(method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
7800 (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL))
7803 if (!piinfo->addr) {
7805 if (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)
7806 exc_arg = "Method contains unsupported native code";
7808 mono_lookup_pinvoke_call (method, &exc_class, &exc_arg);
7810 piinfo->addr = mono_lookup_internal_call (method);
7813 /* hack - redirect certain string constructors to CreateString */
7814 if (piinfo->addr == ves_icall_System_String_ctor_RedirectToCreateString) {
7815 g_assert (!pinvoke);
7816 g_assert (method->string_ctor);
7817 g_assert (sig->hasthis);
7819 /* CreateString returns a value */
7820 csig = signature_dup (method->klass->image, sig);
7821 csig->ret = &mono_defaults.string_class->byval_arg;
7825 while ((res = mono_class_get_methods (mono_defaults.string_class, &iter))) {
7826 if (!strcmp ("CreateString", res->name) &&
7827 mono_metadata_signature_equal (csig, mono_method_signature (res))) {
7829 g_assert (!(res->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL));
7830 g_assert (!(res->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL));
7832 /* create a wrapper to preserve .ctor in stack trace */
7833 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_MANAGED_TO_MANAGED);
7835 mono_mb_emit_byte (mb, CEE_LDARG_0);
7836 for (i = 1; i <= csig->param_count; i++)
7837 mono_mb_emit_ldarg (mb, i);
7838 mono_mb_emit_managed_call (mb, res, NULL);
7839 mono_mb_emit_byte (mb, CEE_RET);
7841 /* use native_wrapper_cache because internal calls are looked up there */
7842 res = mono_mb_create_and_cache (cache, method,
7843 mb, csig, csig->param_count + 1);
7851 /* exception will be thrown */
7852 piinfo->addr = NULL;
7853 g_warning ("cannot find CreateString for .ctor");
7856 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_MANAGED_TO_NATIVE);
7858 mb->method->save_lmf = 1;
7861 * In AOT mode and embedding scenarios, it is possible that the icall is not
7862 * registered in the runtime doing the AOT compilation.
7864 if (!piinfo->addr && !aot) {
7865 mono_mb_emit_exception (mb, exc_class, exc_arg);
7866 csig = signature_dup (method->klass->image, sig);
7868 res = mono_mb_create_and_cache (cache, method,
7869 mb, csig, csig->param_count + 16);
7874 /* internal calls: we simply push all arguments and call the method (no conversions) */
7875 if (method->iflags & (METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL | METHOD_IMPL_ATTRIBUTE_RUNTIME)) {
7877 /* hack - string constructors returns a value */
7878 if (method->string_ctor) {
7879 csig = signature_dup (method->klass->image, sig);
7880 csig->ret = &mono_defaults.string_class->byval_arg;
7885 mono_mb_emit_byte (mb, CEE_LDARG_0);
7887 for (i = 0; i < sig->param_count; i++)
7888 mono_mb_emit_ldarg (mb, i + sig->hasthis);
7891 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
7892 mono_mb_emit_op (mb, CEE_MONO_ICALL_ADDR, &piinfo->method);
7893 mono_mb_emit_calli (mb, csig);
7895 g_assert (piinfo->addr);
7896 mono_mb_emit_native_call (mb, csig, piinfo->addr);
7898 if (check_exceptions)
7899 emit_thread_interrupt_checkpoint (mb);
7900 mono_mb_emit_byte (mb, CEE_RET);
7902 csig = signature_dup (method->klass->image, csig);
7904 res = mono_mb_create_and_cache (cache, method,
7905 mb, csig, csig->param_count + 16);
7912 g_assert (piinfo->addr);
7914 mspecs = g_new (MonoMarshalSpec*, sig->param_count + 1);
7915 mono_method_get_marshal_info (method, mspecs);
7917 mono_marshal_emit_native_wrapper (mb->method->klass->image, mb, sig, piinfo, mspecs, piinfo->addr, aot, check_exceptions);
7919 csig = signature_dup (method->klass->image, sig);
7921 res = mono_mb_create_and_cache (cache, method,
7922 mb, csig, csig->param_count + 16);
7925 for (i = sig->param_count; i >= 0; i--)
7927 mono_metadata_free_marshal_spec (mspecs [i]);
7930 /* printf ("CODE FOR %s: \n%s.\n", mono_method_full_name (res, TRUE), mono_disasm_code (0, res, ((MonoMethodNormal*)res)->header->code, ((MonoMethodNormal*)res)->header->code + ((MonoMethodNormal*)res)->header->code_size)); */
7936 * mono_marshal_get_native_func_wrapper:
7937 * @image: The image to use for memory allocation and for looking up custom marshallers.
7938 * @sig: The signature of the function
7939 * @func: The native function to wrap
7941 * Returns a wrapper method around native functions, similar to the pinvoke
7945 mono_marshal_get_native_func_wrapper (MonoImage *image, MonoMethodSignature *sig,
7946 MonoMethodPInvoke *piinfo, MonoMarshalSpec **mspecs, gpointer func)
7948 MonoMethodSignature *csig;
7950 MonoMethodBuilder *mb;
7955 cache = get_cache (&image->native_wrapper_cache, mono_aligned_addr_hash, NULL);
7956 if ((res = mono_marshal_find_in_cache (cache, func)))
7959 name = g_strdup_printf ("wrapper_native_%p", func);
7960 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_MANAGED_TO_NATIVE);
7961 mb->method->save_lmf = 1;
7963 mono_marshal_emit_native_wrapper (image, mb, sig, piinfo, mspecs, func, FALSE, TRUE);
7965 csig = signature_dup (image, sig);
7967 res = mono_mb_create_and_cache (cache, func,
7968 mb, csig, csig->param_count + 16);
7971 /* printf ("CODE FOR %s: \n%s.\n", mono_method_full_name (res, TRUE), mono_disasm_code (0, res, ((MonoMethodNormal*)res)->header->code, ((MonoMethodNormal*)res)->header->code + ((MonoMethodNormal*)res)->header->code_size)); */
7977 * mono_marshal_emit_managed_wrapper:
7979 * Emit the body of a native-to-managed wrapper. INVOKE_SIG is the signature of
7980 * the delegate which wraps the managed method to be called. For closed delegates,
7981 * it could have fewer parameters than the method it wraps.
7982 * THIS_LOC is the memory location where the target of the delegate is stored.
7985 mono_marshal_emit_managed_wrapper (MonoMethodBuilder *mb, MonoMethodSignature *invoke_sig, MonoMarshalSpec **mspecs, EmitMarshalContext* m, MonoMethod *method, MonoObject** this_loc)
7987 MonoMethodSignature *sig, *csig;
7989 gboolean closed = FALSE;
7994 /* allocate local 0 (pointer) src_ptr */
7995 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7996 /* allocate local 1 (pointer) dst_ptr */
7997 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7998 /* allocate local 2 (boolean) delete_old */
7999 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
8001 if (!sig->hasthis && sig->param_count != invoke_sig->param_count) {
8002 /* Closed delegate */
8003 g_assert (sig->param_count == invoke_sig->param_count + 1);
8005 /* Use a new signature without the first argument */
8006 sig = mono_metadata_signature_dup (sig);
8007 memmove (&sig->params [0], &sig->params [1], (sig->param_count - 1) * sizeof (MonoType*));
8008 sig->param_count --;
8011 if (!MONO_TYPE_IS_VOID(sig->ret)) {
8012 /* allocate local 3 to store the return value */
8013 mono_mb_add_local (mb, sig->ret);
8016 mono_mb_emit_icon (mb, 0);
8017 mono_mb_emit_stloc (mb, 2);
8019 /* we first do all conversions */
8020 tmp_locals = alloca (sizeof (int) * sig->param_count);
8021 for (i = 0; i < sig->param_count; i ++) {
8022 MonoType *t = sig->params [i];
8025 case MONO_TYPE_OBJECT:
8026 case MONO_TYPE_CLASS:
8027 case MONO_TYPE_VALUETYPE:
8028 case MONO_TYPE_ARRAY:
8029 case MONO_TYPE_SZARRAY:
8030 case MONO_TYPE_STRING:
8031 case MONO_TYPE_BOOLEAN:
8032 tmp_locals [i] = emit_marshal (m, i, sig->params [i], mspecs [i + 1], 0, &csig->params [i], MARSHAL_ACTION_MANAGED_CONV_IN);
8041 emit_thread_interrupt_checkpoint (mb);
8045 mono_mb_emit_ptr (mb, this_loc);
8046 mono_mb_emit_byte (mb, CEE_LDIND_REF);
8049 g_assert_not_reached ();
8051 } else if (closed) {
8052 mono_mb_emit_ptr (mb, this_loc);
8053 mono_mb_emit_byte (mb, CEE_LDIND_REF);
8056 for (i = 0; i < sig->param_count; i++) {
8057 MonoType *t = sig->params [i];
8059 if (tmp_locals [i]) {
8061 mono_mb_emit_ldloc_addr (mb, tmp_locals [i]);
8063 mono_mb_emit_ldloc (mb, tmp_locals [i]);
8066 mono_mb_emit_ldarg (mb, i);
8069 mono_mb_emit_managed_call (mb, method, NULL);
8071 if (mspecs [0] && mspecs [0]->native == MONO_NATIVE_CUSTOM) {
8072 emit_marshal (m, 0, sig->ret, mspecs [0], 0, NULL, MARSHAL_ACTION_MANAGED_CONV_RESULT);
8073 } else if (!sig->ret->byref) {
8074 switch (sig->ret->type) {
8075 case MONO_TYPE_VOID:
8077 case MONO_TYPE_BOOLEAN:
8080 case MONO_TYPE_CHAR:
8092 case MONO_TYPE_OBJECT:
8093 mono_mb_emit_stloc (mb, 3);
8095 case MONO_TYPE_STRING:
8096 csig->ret = &mono_defaults.int_class->byval_arg;
8097 emit_marshal (m, 0, sig->ret, mspecs [0], 0, NULL, MARSHAL_ACTION_MANAGED_CONV_RESULT);
8099 case MONO_TYPE_VALUETYPE:
8100 case MONO_TYPE_CLASS:
8101 case MONO_TYPE_SZARRAY:
8102 emit_marshal (m, 0, sig->ret, mspecs [0], 0, NULL, MARSHAL_ACTION_MANAGED_CONV_RESULT);
8105 g_warning ("return type 0x%02x unknown", sig->ret->type);
8106 g_assert_not_reached ();
8109 mono_mb_emit_stloc (mb, 3);
8112 /* Convert byref arguments back */
8113 for (i = 0; i < sig->param_count; i ++) {
8114 MonoType *t = sig->params [i];
8115 MonoMarshalSpec *spec = mspecs [i + 1];
8117 if (spec && spec->native == MONO_NATIVE_CUSTOM) {
8118 emit_marshal (m, i, t, mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_MANAGED_CONV_OUT);
8120 else if (t->byref) {
8122 case MONO_TYPE_CLASS:
8123 case MONO_TYPE_VALUETYPE:
8124 case MONO_TYPE_OBJECT:
8125 case MONO_TYPE_STRING:
8126 case MONO_TYPE_BOOLEAN:
8127 emit_marshal (m, i, t, mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_MANAGED_CONV_OUT);
8131 else if (invoke_sig->params [i]->attrs & PARAM_ATTRIBUTE_OUT) {
8132 /* The [Out] information is encoded in the delegate signature */
8134 case MONO_TYPE_SZARRAY:
8135 case MONO_TYPE_CLASS:
8136 case MONO_TYPE_VALUETYPE:
8137 emit_marshal (m, i, invoke_sig->params [i], mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_MANAGED_CONV_OUT);
8140 g_assert_not_reached ();
8145 if (m->retobj_var) {
8146 mono_mb_emit_ldloc (mb, m->retobj_var);
8147 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
8148 mono_mb_emit_op (mb, CEE_MONO_RETOBJ, m->retobj_class);
8151 if (!MONO_TYPE_IS_VOID(sig->ret))
8152 mono_mb_emit_ldloc (mb, 3);
8153 mono_mb_emit_byte (mb, CEE_RET);
8162 mono_marshal_set_callconv_from_modopt (MonoMethod *method, MonoMethodSignature *csig)
8164 MonoMethodSignature *sig;
8167 #ifdef PLATFORM_WIN32
8169 * Under windows, delegates passed to native code must use the STDCALL
8170 * calling convention.
8172 csig->call_convention = MONO_CALL_STDCALL;
8175 sig = mono_method_signature (method);
8177 /* Change default calling convention if needed */
8178 /* Why is this a modopt ? */
8179 if (sig->ret && sig->ret->num_mods) {
8180 for (i = 0; i < sig->ret->num_mods; ++i) {
8181 MonoClass *cmod_class = mono_class_get (method->klass->image, sig->ret->modifiers [i].token);
8182 g_assert (cmod_class);
8183 if ((cmod_class->image == mono_defaults.corlib) && !strcmp (cmod_class->name_space, "System.Runtime.CompilerServices")) {
8184 if (!strcmp (cmod_class->name, "CallConvCdecl"))
8185 csig->call_convention = MONO_CALL_C;
8186 else if (!strcmp (cmod_class->name, "CallConvStdcall"))
8187 csig->call_convention = MONO_CALL_STDCALL;
8188 else if (!strcmp (cmod_class->name, "CallConvFastcall"))
8189 csig->call_convention = MONO_CALL_FASTCALL;
8190 else if (!strcmp (cmod_class->name, "CallConvThiscall"))
8191 csig->call_convention = MONO_CALL_THISCALL;
8198 * generates IL code to call managed methods from unmanaged code
8201 mono_marshal_get_managed_wrapper (MonoMethod *method, MonoClass *delegate_klass, MonoObject **this_loc)
8203 static MonoClass *UnmanagedFunctionPointerAttribute;
8204 MonoMethodSignature *sig, *csig, *invoke_sig;
8205 MonoMethodBuilder *mb;
8206 MonoMethod *res, *invoke;
8207 MonoMarshalSpec **mspecs;
8208 MonoMethodPInvoke piinfo;
8211 EmitMarshalContext m;
8213 g_assert (method != NULL);
8214 g_assert (!mono_method_signature (method)->pinvoke);
8217 * FIXME: Should cache the method+delegate type pair, since the same method
8218 * could be called with different delegates, thus different marshalling
8221 cache = get_cache (&method->klass->image->managed_wrapper_cache, mono_aligned_addr_hash, NULL);
8222 if (!this_loc && (res = mono_marshal_find_in_cache (cache, method)))
8225 invoke = mono_get_delegate_invoke (delegate_klass);
8226 invoke_sig = mono_method_signature (invoke);
8228 mspecs = g_new0 (MonoMarshalSpec*, mono_method_signature (invoke)->param_count + 1);
8229 mono_method_get_marshal_info (invoke, mspecs);
8231 sig = mono_method_signature (method);
8233 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_NATIVE_TO_MANAGED);
8235 /* we copy the signature, so that we can modify it */
8237 /* Need to free this later */
8238 csig = mono_metadata_signature_dup (invoke_sig);
8240 csig = signature_dup (method->klass->image, invoke_sig);
8249 m.image = method->klass->image;
8251 mono_marshal_set_callconv_from_modopt (invoke, csig);
8253 /* Handle the UnmanagedFunctionPointerAttribute */
8254 if (!UnmanagedFunctionPointerAttribute)
8255 UnmanagedFunctionPointerAttribute = mono_class_from_name (mono_defaults.corlib, "System.Runtime.InteropServices", "UnmanagedFunctionPointerAttribute");
8257 /* The attribute is only available in Net 2.0 */
8258 if (UnmanagedFunctionPointerAttribute) {
8259 MonoReflectionUnmanagedFunctionPointerAttribute *attr;
8260 MonoCustomAttrInfo *cinfo;
8263 * The pinvoke attributes are stored in a real custom attribute so we have to
8266 cinfo = mono_custom_attrs_from_class (delegate_klass);
8268 attr = (MonoReflectionUnmanagedFunctionPointerAttribute*)mono_custom_attrs_get_attr (cinfo, UnmanagedFunctionPointerAttribute);
8270 memset (&piinfo, 0, sizeof (piinfo));
8272 piinfo.piflags = (attr->call_conv << 8) | (attr->charset ? (attr->charset - 1) * 2 : 1) | attr->set_last_error;
8274 csig->call_convention = attr->call_conv - 1;
8277 mono_custom_attrs_free (cinfo);
8281 mono_marshal_emit_managed_wrapper (mb, invoke_sig, mspecs, &m, method, this_loc);
8284 res = mono_mb_create_and_cache (cache, method,
8285 mb, csig, sig->param_count + 16);
8288 res = mono_mb_create_method (mb, csig, sig->param_count + 16);
8292 for (i = mono_method_signature (invoke)->param_count; i >= 0; i--)
8294 mono_metadata_free_marshal_spec (mspecs [i]);
8297 /* printf ("CODE FOR %s: \n%s.\n", mono_method_full_name (res, TRUE), mono_disasm_code (0, res, ((MonoMethodNormal*)res)->header->code, ((MonoMethodNormal*)res)->header->code + ((MonoMethodNormal*)res)->header->code_size)); */
8303 mono_marshal_get_vtfixup_ftnptr (MonoImage *image, guint32 token, guint16 type)
8306 MonoMethodSignature *sig;
8307 MonoMethodBuilder *mb;
8312 method = mono_get_method (image, token, NULL);
8315 if (type & (VTFIXUP_TYPE_FROM_UNMANAGED | VTFIXUP_TYPE_FROM_UNMANAGED_RETAIN_APPDOMAIN)) {
8316 MonoMethodSignature *csig;
8317 MonoMarshalSpec **mspecs;
8318 EmitMarshalContext m;
8320 sig = mono_method_signature (method);
8321 g_assert (!sig->hasthis);
8323 mspecs = g_new0 (MonoMarshalSpec*, sig->param_count + 1);
8324 mono_method_get_marshal_info (method, mspecs);
8326 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_NATIVE_TO_MANAGED);
8327 csig = signature_dup (image, sig);
8338 mono_marshal_set_callconv_from_modopt (method, csig);
8340 /* FIXME: Implement VTFIXUP_TYPE_FROM_UNMANAGED_RETAIN_APPDOMAIN. */
8342 mono_marshal_emit_managed_wrapper (mb, sig, mspecs, &m, method, NULL);
8345 method = mono_mb_create_method (mb, csig, sig->param_count + 16);
8348 for (i = sig->param_count; i >= 0; i--)
8350 mono_metadata_free_marshal_spec (mspecs [i]);
8353 return mono_compile_method (method);
8356 sig = mono_method_signature (method);
8357 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_MANAGED_TO_MANAGED);
8359 param_count = sig->param_count + sig->hasthis;
8360 for (i = 0; i < param_count; i++)
8361 mono_mb_emit_ldarg (mb, i);
8363 if (type & VTFIXUP_TYPE_CALL_MOST_DERIVED)
8364 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
8366 mono_mb_emit_op (mb, CEE_CALL, method);
8367 mono_mb_emit_byte (mb, CEE_RET);
8370 method = mono_mb_create_method (mb, sig, param_count);
8373 return mono_compile_method (method);
8376 static MonoReflectionType *
8377 type_from_handle (MonoType *handle)
8379 MonoDomain *domain = mono_domain_get ();
8380 MonoClass *klass = mono_class_from_mono_type (handle);
8382 MONO_ARCH_SAVE_REGS;
8384 mono_class_init (klass);
8385 return mono_type_get_object (domain, handle);
8389 * mono_marshal_get_isinst:
8390 * @klass: the type of the field
8392 * This method generates a function which can be used to check if an object is
8393 * an instance of the given type, icluding the case where the object is a proxy.
8394 * The generated function has the following signature:
8395 * MonoObject* __isinst_wrapper_ (MonoObject *obj)
8398 mono_marshal_get_isinst (MonoClass *klass)
8400 static MonoMethodSignature *isint_sig = NULL;
8403 int pos_was_ok, pos_failed, pos_end, pos_end2;
8405 MonoMethodBuilder *mb;
8407 cache = get_cache (&klass->image->isinst_cache, mono_aligned_addr_hash, NULL);
8408 if ((res = mono_marshal_find_in_cache (cache, klass)))
8412 isint_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
8413 isint_sig->params [0] = &mono_defaults.object_class->byval_arg;
8414 isint_sig->ret = &mono_defaults.object_class->byval_arg;
8415 isint_sig->pinvoke = 0;
8418 name = g_strdup_printf ("__isinst_wrapper_%s", klass->name);
8419 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_ISINST);
8422 mb->method->save_lmf = 1;
8424 /* check if the object is a proxy that needs special cast */
8425 mono_mb_emit_ldarg (mb, 0);
8426 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
8427 mono_mb_emit_op (mb, CEE_MONO_CISINST, klass);
8429 /* The result of MONO_ISINST can be:
8430 0) the type check succeeded
8431 1) the type check did not succeed
8432 2) a CanCastTo call is needed */
8434 mono_mb_emit_byte (mb, CEE_DUP);
8435 pos_was_ok = mono_mb_emit_branch (mb, CEE_BRFALSE);
8437 mono_mb_emit_byte (mb, CEE_LDC_I4_2);
8438 pos_failed = mono_mb_emit_branch (mb, CEE_BNE_UN);
8440 /* get the real proxy from the transparent proxy*/
8442 mono_mb_emit_ldarg (mb, 0);
8443 mono_mb_emit_managed_call (mb, mono_marshal_get_proxy_cancast (klass), NULL);
8444 pos_end = mono_mb_emit_branch (mb, CEE_BR);
8448 mono_mb_patch_branch (mb, pos_failed);
8449 mono_mb_emit_byte (mb, CEE_LDNULL);
8450 pos_end2 = mono_mb_emit_branch (mb, CEE_BR);
8454 mono_mb_patch_branch (mb, pos_was_ok);
8455 mono_mb_emit_byte (mb, CEE_POP);
8456 mono_mb_emit_ldarg (mb, 0);
8460 mono_mb_patch_branch (mb, pos_end);
8461 mono_mb_patch_branch (mb, pos_end2);
8462 mono_mb_emit_byte (mb, CEE_RET);
8464 res = mono_mb_create_and_cache (cache, klass, mb, isint_sig, isint_sig->param_count + 16);
8471 * mono_marshal_get_castclass:
8472 * @klass: the type of the field
8474 * This method generates a function which can be used to cast an object to
8475 * an instance of the given type, icluding the case where the object is a proxy.
8476 * The generated function has the following signature:
8477 * MonoObject* __castclass_wrapper_ (MonoObject *obj)
8480 mono_marshal_get_castclass (MonoClass *klass)
8482 static MonoMethodSignature *castclass_sig = NULL;
8485 int pos_was_ok, pos_was_ok2;
8487 MonoMethodBuilder *mb;
8489 cache = get_cache (&klass->image->castclass_cache, mono_aligned_addr_hash, NULL);
8490 if ((res = mono_marshal_find_in_cache (cache, klass)))
8493 if (!castclass_sig) {
8494 castclass_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
8495 castclass_sig->params [0] = &mono_defaults.object_class->byval_arg;
8496 castclass_sig->ret = &mono_defaults.object_class->byval_arg;
8497 castclass_sig->pinvoke = 0;
8500 name = g_strdup_printf ("__castclass_wrapper_%s", klass->name);
8501 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_CASTCLASS);
8504 mb->method->save_lmf = 1;
8506 /* check if the object is a proxy that needs special cast */
8507 mono_mb_emit_ldarg (mb, 0);
8508 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
8509 mono_mb_emit_op (mb, CEE_MONO_CCASTCLASS, klass);
8511 /* The result of MONO_ISINST can be:
8512 0) the cast is valid
8513 1) cast of unknown proxy type
8514 or an exception if the cast is is invalid
8517 pos_was_ok = mono_mb_emit_branch (mb, CEE_BRFALSE);
8519 /* get the real proxy from the transparent proxy*/
8521 mono_mb_emit_ldarg (mb, 0);
8522 mono_mb_emit_managed_call (mb, mono_marshal_get_proxy_cancast (klass), NULL);
8523 pos_was_ok2 = mono_mb_emit_branch (mb, CEE_BRTRUE);
8526 mono_mb_emit_exception (mb, "InvalidCastException", NULL);
8529 mono_mb_patch_branch (mb, pos_was_ok);
8530 mono_mb_patch_branch (mb, pos_was_ok2);
8531 mono_mb_emit_ldarg (mb, 0);
8534 mono_mb_emit_byte (mb, CEE_RET);
8536 res = mono_mb_create_and_cache (cache, klass, mb, castclass_sig, castclass_sig->param_count + 16);
8543 mono_marshal_get_proxy_cancast (MonoClass *klass)
8545 static MonoMethodSignature *isint_sig = NULL;
8548 int pos_failed, pos_end;
8550 MonoMethod *can_cast_to;
8551 MonoMethodDesc *desc;
8552 MonoMethodBuilder *mb;
8554 cache = get_cache (&klass->image->proxy_isinst_cache, mono_aligned_addr_hash, NULL);
8555 if ((res = mono_marshal_find_in_cache (cache, klass)))
8559 isint_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
8560 isint_sig->params [0] = &mono_defaults.object_class->byval_arg;
8561 isint_sig->ret = &mono_defaults.object_class->byval_arg;
8562 isint_sig->pinvoke = 0;
8565 name = g_strdup_printf ("__proxy_isinst_wrapper_%s", klass->name);
8566 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_PROXY_ISINST);
8569 mb->method->save_lmf = 1;
8571 /* get the real proxy from the transparent proxy*/
8572 mono_mb_emit_ldarg (mb, 0);
8573 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
8574 mono_mb_emit_byte (mb, CEE_LDIND_REF);
8576 /* get the reflection type from the type handle */
8577 mono_mb_emit_ptr (mb, &klass->byval_arg);
8578 mono_mb_emit_icall (mb, type_from_handle);
8580 mono_mb_emit_ldarg (mb, 0);
8582 /* make the call to CanCastTo (type, ob) */
8583 desc = mono_method_desc_new ("IRemotingTypeInfo:CanCastTo", FALSE);
8584 can_cast_to = mono_method_desc_search_in_class (desc, mono_defaults.iremotingtypeinfo_class);
8585 g_assert (can_cast_to);
8586 mono_method_desc_free (desc);
8587 mono_mb_emit_op (mb, CEE_CALLVIRT, can_cast_to);
8589 pos_failed = mono_mb_emit_branch (mb, CEE_BRFALSE);
8591 /* Upgrade the proxy vtable by calling: mono_upgrade_remote_class_wrapper (type, ob)*/
8592 mono_mb_emit_ptr (mb, &klass->byval_arg);
8593 mono_mb_emit_icall (mb, type_from_handle);
8594 mono_mb_emit_ldarg (mb, 0);
8596 mono_mb_emit_icall (mb, mono_upgrade_remote_class_wrapper);
8597 emit_thread_interrupt_checkpoint (mb);
8599 mono_mb_emit_ldarg (mb, 0);
8600 pos_end = mono_mb_emit_branch (mb, CEE_BR);
8604 mono_mb_patch_branch (mb, pos_failed);
8605 mono_mb_emit_byte (mb, CEE_LDNULL);
8609 mono_mb_patch_branch (mb, pos_end);
8610 mono_mb_emit_byte (mb, CEE_RET);
8612 res = mono_mb_create_and_cache (cache, klass, mb, isint_sig, isint_sig->param_count + 16);
8619 mono_upgrade_remote_class_wrapper (MonoReflectionType *rtype, MonoTransparentProxy *tproxy)
8622 MonoDomain *domain = ((MonoObject*)tproxy)->vtable->domain;
8623 klass = mono_class_from_mono_type (rtype->type);
8624 mono_upgrade_remote_class (domain, (MonoObject*)tproxy, klass);
8628 * mono_marshal_get_struct_to_ptr:
8631 * generates IL code for StructureToPtr (object structure, IntPtr ptr, bool fDeleteOld)
8634 mono_marshal_get_struct_to_ptr (MonoClass *klass)
8636 MonoMethodBuilder *mb;
8637 static MonoMethod *stoptr = NULL;
8640 g_assert (klass != NULL);
8642 mono_marshal_load_type_info (klass);
8644 if (klass->marshal_info->str_to_ptr)
8645 return klass->marshal_info->str_to_ptr;
8648 stoptr = mono_class_get_method_from_name (mono_defaults.marshal_class, "StructureToPtr", 3);
8651 mb = mono_mb_new (klass, stoptr->name, MONO_WRAPPER_UNKNOWN);
8653 if (klass->blittable) {
8654 mono_mb_emit_byte (mb, CEE_LDARG_1);
8655 mono_mb_emit_byte (mb, CEE_LDARG_0);
8656 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
8657 mono_mb_emit_icon (mb, mono_class_value_size (klass, NULL));
8658 mono_mb_emit_byte (mb, CEE_PREFIX1);
8659 mono_mb_emit_byte (mb, CEE_CPBLK);
8662 /* allocate local 0 (pointer) src_ptr */
8663 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8664 /* allocate local 1 (pointer) dst_ptr */
8665 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8666 /* allocate local 2 (boolean) delete_old */
8667 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
8668 mono_mb_emit_byte (mb, CEE_LDARG_2);
8669 mono_mb_emit_stloc (mb, 2);
8671 /* initialize src_ptr to point to the start of object data */
8672 mono_mb_emit_byte (mb, CEE_LDARG_0);
8673 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
8674 mono_mb_emit_stloc (mb, 0);
8676 /* initialize dst_ptr */
8677 mono_mb_emit_byte (mb, CEE_LDARG_1);
8678 mono_mb_emit_stloc (mb, 1);
8680 emit_struct_conv (mb, klass, FALSE);
8683 mono_mb_emit_byte (mb, CEE_RET);
8685 res = mono_mb_create_method (mb, mono_signature_no_pinvoke (stoptr), 0);
8688 klass->marshal_info->str_to_ptr = res;
8693 * mono_marshal_get_ptr_to_struct:
8696 * generates IL code for PtrToStructure (IntPtr src, object structure)
8699 mono_marshal_get_ptr_to_struct (MonoClass *klass)
8701 MonoMethodBuilder *mb;
8702 static MonoMethodSignature *ptostr = NULL;
8705 g_assert (klass != NULL);
8707 mono_marshal_load_type_info (klass);
8709 if (klass->marshal_info->ptr_to_str)
8710 return klass->marshal_info->ptr_to_str;
8713 MonoMethodSignature *sig;
8715 /* Create the signature corresponding to
8716 static void PtrToStructure (IntPtr ptr, object structure);
8717 defined in class/corlib/System.Runtime.InteropServices/Marshal.cs */
8718 sig = mono_create_icall_signature ("void ptr object");
8719 sig = signature_dup (mono_defaults.corlib, sig);
8721 mono_memory_barrier ();
8725 mb = mono_mb_new (klass, "PtrToStructure", MONO_WRAPPER_UNKNOWN);
8727 if (klass->blittable) {
8728 mono_mb_emit_byte (mb, CEE_LDARG_1);
8729 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
8730 mono_mb_emit_byte (mb, CEE_LDARG_0);
8731 mono_mb_emit_icon (mb, mono_class_value_size (klass, NULL));
8732 mono_mb_emit_byte (mb, CEE_PREFIX1);
8733 mono_mb_emit_byte (mb, CEE_CPBLK);
8736 /* allocate local 0 (pointer) src_ptr */
8737 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8738 /* allocate local 1 (pointer) dst_ptr */
8739 mono_mb_add_local (mb, &klass->this_arg);
8741 /* initialize src_ptr to point to the start of object data */
8742 mono_mb_emit_byte (mb, CEE_LDARG_0);
8743 mono_mb_emit_stloc (mb, 0);
8745 /* initialize dst_ptr */
8746 mono_mb_emit_byte (mb, CEE_LDARG_1);
8747 mono_mb_emit_op (mb, CEE_UNBOX, klass);
8748 mono_mb_emit_stloc (mb, 1);
8750 emit_struct_conv (mb, klass, TRUE);
8753 mono_mb_emit_byte (mb, CEE_RET);
8755 res = mono_mb_create_method (mb, ptostr, 0);
8758 klass->marshal_info->ptr_to_str = res;
8763 * generates IL code for the synchronized wrapper: the generated method
8764 * calls METHOD while locking 'this' or the parent type.
8767 mono_marshal_get_synchronized_wrapper (MonoMethod *method)
8769 static MonoMethod *enter_method, *exit_method, *gettypefromhandle_method;
8770 MonoMethodSignature *sig;
8771 MonoExceptionClause *clause;
8772 MonoMethodBuilder *mb;
8775 int i, pos, this_local, ret_local = 0;
8779 if (method->wrapper_type == MONO_WRAPPER_SYNCHRONIZED)
8782 cache = get_cache (&method->klass->image->synchronized_cache, mono_aligned_addr_hash, NULL);
8783 if ((res = mono_marshal_find_in_cache (cache, method)))
8786 sig = signature_dup (method->klass->image, mono_method_signature (method));
8789 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_SYNCHRONIZED);
8792 if (!MONO_TYPE_IS_VOID (sig->ret))
8793 ret_local = mono_mb_add_local (mb, sig->ret);
8795 if (method->klass->valuetype && !(method->flags & MONO_METHOD_ATTR_STATIC)) {
8796 mono_class_set_failure (method->klass, MONO_EXCEPTION_TYPE_LOAD, NULL);
8797 /* This will throw the type load exception when the wrapper is compiled */
8798 mono_mb_emit_byte (mb, CEE_LDNULL);
8799 mono_mb_emit_op (mb, CEE_ISINST, method->klass);
8800 mono_mb_emit_byte (mb, CEE_POP);
8802 if (!MONO_TYPE_IS_VOID (sig->ret))
8803 mono_mb_emit_ldloc (mb, ret_local);
8804 mono_mb_emit_byte (mb, CEE_RET);
8806 res = mono_mb_create_and_cache (cache, method,
8807 mb, sig, sig->param_count + 16);
8814 this_local = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
8816 clause = mono_image_alloc0 (method->klass->image, sizeof (MonoExceptionClause));
8817 clause->flags = MONO_EXCEPTION_CLAUSE_FINALLY;
8819 mono_loader_lock ();
8821 if (!enter_method) {
8822 MonoMethodDesc *desc;
8824 desc = mono_method_desc_new ("Monitor:Enter", FALSE);
8825 enter_method = mono_method_desc_search_in_class (desc, mono_defaults.monitor_class);
8826 g_assert (enter_method);
8827 mono_method_desc_free (desc);
8829 desc = mono_method_desc_new ("Monitor:Exit", FALSE);
8830 exit_method = mono_method_desc_search_in_class (desc, mono_defaults.monitor_class);
8831 g_assert (exit_method);
8832 mono_method_desc_free (desc);
8834 desc = mono_method_desc_new ("Type:GetTypeFromHandle", FALSE);
8835 gettypefromhandle_method = mono_method_desc_search_in_class (desc, mono_defaults.monotype_class->parent);
8836 g_assert (gettypefromhandle_method);
8837 mono_method_desc_free (desc);
8840 mono_loader_unlock ();
8842 /* Push this or the type object */
8843 if (method->flags & METHOD_ATTRIBUTE_STATIC) {
8844 /* We have special handling for this in the JIT */
8845 int index = mono_mb_add_data (mb, method->klass);
8846 mono_mb_add_data (mb, mono_defaults.typehandle_class);
8847 mono_mb_emit_byte (mb, CEE_LDTOKEN);
8848 mono_mb_emit_i4 (mb, index);
8850 mono_mb_emit_managed_call (mb, gettypefromhandle_method, NULL);
8853 mono_mb_emit_ldarg (mb, 0);
8854 mono_mb_emit_stloc (mb, this_local);
8856 /* Call Monitor::Enter() */
8857 mono_mb_emit_ldloc (mb, this_local);
8858 mono_mb_emit_managed_call (mb, enter_method, NULL);
8860 clause->try_offset = mono_mb_get_label (mb);
8862 /* Call the method */
8864 mono_mb_emit_ldarg (mb, 0);
8865 for (i = 0; i < sig->param_count; i++)
8866 mono_mb_emit_ldarg (mb, i + (sig->hasthis == TRUE));
8868 mono_mb_emit_managed_call (mb, method, NULL);
8870 if (!MONO_TYPE_IS_VOID (sig->ret))
8871 mono_mb_emit_stloc (mb, ret_local);
8873 pos = mono_mb_emit_branch (mb, CEE_LEAVE);
8875 clause->try_len = mono_mb_get_pos (mb) - clause->try_offset;
8876 clause->handler_offset = mono_mb_get_label (mb);
8878 /* Call Monitor::Exit() */
8879 mono_mb_emit_ldloc (mb, this_local);
8880 mono_mb_emit_managed_call (mb, exit_method, NULL);
8881 mono_mb_emit_byte (mb, CEE_ENDFINALLY);
8883 clause->handler_len = mono_mb_get_pos (mb) - clause->handler_offset;
8885 mono_mb_patch_branch (mb, pos);
8886 if (!MONO_TYPE_IS_VOID (sig->ret))
8887 mono_mb_emit_ldloc (mb, ret_local);
8888 mono_mb_emit_byte (mb, CEE_RET);
8890 mono_mb_set_clauses (mb, 1, clause);
8892 res = mono_mb_create_and_cache (cache, method,
8893 mb, sig, sig->param_count + 16);
8901 * the returned method calls 'method' unboxing the this argument
8904 mono_marshal_get_unbox_wrapper (MonoMethod *method)
8906 MonoMethodSignature *sig = mono_method_signature (method);
8908 MonoMethodBuilder *mb;
8912 cache = get_cache (&method->klass->image->unbox_wrapper_cache, mono_aligned_addr_hash, NULL);
8913 if ((res = mono_marshal_find_in_cache (cache, method)))
8916 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_UNBOX);
8918 g_assert (sig->hasthis);
8920 mono_mb_emit_ldarg (mb, 0);
8921 mono_mb_emit_icon (mb, sizeof (MonoObject));
8922 mono_mb_emit_byte (mb, CEE_ADD);
8923 for (i = 0; i < sig->param_count; ++i)
8924 mono_mb_emit_ldarg (mb, i + 1);
8925 mono_mb_emit_managed_call (mb, method, NULL);
8926 mono_mb_emit_byte (mb, CEE_RET);
8928 res = mono_mb_create_and_cache (cache, method,
8929 mb, sig, sig->param_count + 16);
8932 /* printf ("CODE FOR %s: \n%s.\n", mono_method_full_name (res, TRUE), mono_disasm_code (0, res, ((MonoMethodNormal*)res)->header->code, ((MonoMethodNormal*)res)->header->code + ((MonoMethodNormal*)res)->header->code_size)); */
8938 mono_marshal_get_stelemref ()
8940 static MonoMethod* ret = NULL;
8941 MonoMethodSignature *sig;
8942 MonoMethodBuilder *mb;
8944 guint32 b1, b2, b3, b4;
8947 int array_slot_addr;
8952 mb = mono_mb_new (mono_defaults.object_class, "stelemref", MONO_WRAPPER_STELEMREF);
8955 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
8957 /* void stelemref (void* array, int idx, void* value) */
8958 sig->ret = &mono_defaults.void_class->byval_arg;
8959 sig->params [0] = &mono_defaults.object_class->byval_arg;
8960 sig->params [1] = &mono_defaults.int_class->byval_arg; /* this is a natural sized int */
8961 sig->params [2] = &mono_defaults.object_class->byval_arg;
8963 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8964 vklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8965 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
8969 <ldelema (bound check)>
8973 aklass = array->vtable->klass->element_class;
8974 vklass = value->vtable->klass;
8976 if (vklass->idepth < aklass->idepth)
8979 if (vklass->supertypes [aklass->idepth - 1] != aklass)
8983 *array_slot_addr = value;
8987 if (mono_object_isinst (value, aklass))
8990 throw new ArrayTypeMismatchException ();
8993 /* ldelema (implicit bound check) */
8994 mono_mb_emit_ldarg (mb, 0);
8995 mono_mb_emit_ldarg (mb, 1);
8996 mono_mb_emit_op (mb, CEE_LDELEMA, mono_defaults.object_class);
8997 mono_mb_emit_stloc (mb, array_slot_addr);
8999 /* if (!value) goto do_store */
9000 mono_mb_emit_ldarg (mb, 2);
9001 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
9003 /* aklass = array->vtable->klass->element_class */
9004 mono_mb_emit_ldarg (mb, 0);
9005 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
9006 mono_mb_emit_byte (mb, CEE_LDIND_I);
9007 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, klass));
9008 mono_mb_emit_byte (mb, CEE_LDIND_I);
9009 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, element_class));
9010 mono_mb_emit_byte (mb, CEE_LDIND_I);
9011 mono_mb_emit_stloc (mb, aklass);
9013 /* vklass = value->vtable->klass */
9014 mono_mb_emit_ldarg (mb, 2);
9015 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
9016 mono_mb_emit_byte (mb, CEE_LDIND_I);
9017 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, klass));
9018 mono_mb_emit_byte (mb, CEE_LDIND_I);
9019 mono_mb_emit_stloc (mb, vklass);
9021 /* if (vklass->idepth < aklass->idepth) goto failue */
9022 mono_mb_emit_ldloc (mb, vklass);
9023 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
9024 mono_mb_emit_byte (mb, CEE_LDIND_U2);
9026 mono_mb_emit_ldloc (mb, aklass);
9027 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
9028 mono_mb_emit_byte (mb, CEE_LDIND_U2);
9030 b2 = mono_mb_emit_branch (mb, CEE_BLT_UN);
9032 /* if (vklass->supertypes [aklass->idepth - 1] != aklass) goto failure */
9033 mono_mb_emit_ldloc (mb, vklass);
9034 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, supertypes));
9035 mono_mb_emit_byte (mb, CEE_LDIND_I);
9037 mono_mb_emit_ldloc (mb, aklass);
9038 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
9039 mono_mb_emit_byte (mb, CEE_LDIND_U2);
9040 mono_mb_emit_icon (mb, 1);
9041 mono_mb_emit_byte (mb, CEE_SUB);
9042 mono_mb_emit_icon (mb, sizeof (void*));
9043 mono_mb_emit_byte (mb, CEE_MUL);
9044 mono_mb_emit_byte (mb, CEE_ADD);
9045 mono_mb_emit_byte (mb, CEE_LDIND_I);
9047 mono_mb_emit_ldloc (mb, aklass);
9049 b3 = mono_mb_emit_branch (mb, CEE_BNE_UN);
9051 copy_pos = mono_mb_get_label (mb);
9053 mono_mb_patch_branch (mb, b1);
9054 mono_mb_emit_ldloc (mb, array_slot_addr);
9055 mono_mb_emit_ldarg (mb, 2);
9056 mono_mb_emit_byte (mb, CEE_STIND_REF);
9058 mono_mb_emit_byte (mb, CEE_RET);
9061 mono_mb_patch_branch (mb, b2);
9062 mono_mb_patch_branch (mb, b3);
9064 mono_mb_emit_ldarg (mb, 2);
9065 mono_mb_emit_ldloc (mb, aklass);
9066 mono_mb_emit_icall (mb, mono_object_isinst);
9068 b4 = mono_mb_emit_branch (mb, CEE_BRTRUE);
9069 mono_mb_patch_addr (mb, b4, copy_pos - (b4 + 4));
9070 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
9072 mono_mb_emit_byte (mb, CEE_RET);
9073 ret = mono_mb_create_method (mb, sig, 4);
9084 /* LOCKING: vars accessed under the marshal lock */
9085 static ArrayElemAddr *elem_addr_cache = NULL;
9086 static int elem_addr_cache_size = 0;
9087 static int elem_addr_cache_next = 0;
9090 * mono_marshal_get_array_address:
9091 * @rank: rank of the array type
9092 * @elem_size: size in bytes of an element of an array.
9094 * Returns a MonoMethd that implements the code to get the address
9095 * of an element in a multi-dimenasional array of @rank dimensions.
9096 * The returned method takes an array as the first argument and then
9097 * @rank indexes for the @rank dimensions.
9100 mono_marshal_get_array_address (int rank, int elem_size)
9103 MonoMethodBuilder *mb;
9104 MonoMethodSignature *sig;
9105 int i, bounds, ind, realidx;
9106 int branch_pos, *branch_positions;
9110 mono_marshal_lock ();
9111 for (i = 0; i < elem_addr_cache_next; ++i) {
9112 if (elem_addr_cache [i].rank == rank && elem_addr_cache [i].elem_size == elem_size) {
9113 ret = elem_addr_cache [i].method;
9117 mono_marshal_unlock ();
9121 branch_positions = g_new0 (int, rank);
9123 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1 + rank);
9125 /* void* address (void* array, int idx0, int idx1, int idx2, ...) */
9126 sig->ret = &mono_defaults.int_class->byval_arg;
9127 sig->params [0] = &mono_defaults.object_class->byval_arg;
9128 for (i = 0; i < rank; ++i) {
9129 sig->params [i + 1] = &mono_defaults.int32_class->byval_arg;
9132 mb = mono_mb_new (mono_defaults.object_class, "ElementAddr", MONO_WRAPPER_MANAGED_TO_MANAGED);
9134 bounds = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9135 ind = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
9136 realidx = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
9138 /* bounds = array->bounds; */
9139 mono_mb_emit_ldarg (mb, 0);
9140 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoArray, bounds));
9141 mono_mb_emit_byte (mb, CEE_LDIND_I);
9142 mono_mb_emit_stloc (mb, bounds);
9144 /* ind is the overall element index, realidx is the partial index in a single dimension */
9145 /* ind = idx0 - bounds [0].lower_bound */
9146 mono_mb_emit_ldarg (mb, 1);
9147 mono_mb_emit_ldloc (mb, bounds);
9148 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArrayBounds, lower_bound));
9149 mono_mb_emit_byte (mb, CEE_ADD);
9150 mono_mb_emit_byte (mb, CEE_LDIND_I4);
9151 mono_mb_emit_byte (mb, CEE_SUB);
9152 mono_mb_emit_stloc (mb, ind);
9153 /* if (ind >= bounds [0].length) goto exeception; */
9154 mono_mb_emit_ldloc (mb, ind);
9155 mono_mb_emit_ldloc (mb, bounds);
9156 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArrayBounds, length));
9157 mono_mb_emit_byte (mb, CEE_ADD);
9158 mono_mb_emit_byte (mb, CEE_LDIND_I4);
9159 /* note that we use unsigned comparison */
9160 branch_pos = mono_mb_emit_branch (mb, CEE_BGE_UN);
9162 /* For large ranks (> 4?) use a loop n IL later to reduce code size.
9163 * We could also decide to ignore the passed elem_size and get it
9164 * from the array object, to reduce the number of methods we generate:
9165 * the additional cost is 3 memory loads and a non-immediate mul.
9167 for (i = 1; i < rank; ++i) {
9168 /* realidx = idxi - bounds [i].lower_bound */
9169 mono_mb_emit_ldarg (mb, 1 + i);
9170 mono_mb_emit_ldloc (mb, bounds);
9171 mono_mb_emit_icon (mb, (i * sizeof (MonoArrayBounds)) + G_STRUCT_OFFSET (MonoArrayBounds, lower_bound));
9172 mono_mb_emit_byte (mb, CEE_ADD);
9173 mono_mb_emit_byte (mb, CEE_LDIND_I4);
9174 mono_mb_emit_byte (mb, CEE_SUB);
9175 mono_mb_emit_stloc (mb, realidx);
9176 /* if (realidx >= bounds [i].length) goto exeception; */
9177 mono_mb_emit_ldloc (mb, realidx);
9178 mono_mb_emit_ldloc (mb, bounds);
9179 mono_mb_emit_icon (mb, (i * sizeof (MonoArrayBounds)) + G_STRUCT_OFFSET (MonoArrayBounds, length));
9180 mono_mb_emit_byte (mb, CEE_ADD);
9181 mono_mb_emit_byte (mb, CEE_LDIND_I4);
9182 branch_positions [i] = mono_mb_emit_branch (mb, CEE_BGE_UN);
9183 /* ind = ind * bounds [i].length + realidx */
9184 mono_mb_emit_ldloc (mb, ind);
9185 mono_mb_emit_ldloc (mb, bounds);
9186 mono_mb_emit_icon (mb, (i * sizeof (MonoArrayBounds)) + G_STRUCT_OFFSET (MonoArrayBounds, length));
9187 mono_mb_emit_byte (mb, CEE_ADD);
9188 mono_mb_emit_byte (mb, CEE_LDIND_I4);
9189 mono_mb_emit_byte (mb, CEE_MUL);
9190 mono_mb_emit_ldloc (mb, realidx);
9191 mono_mb_emit_byte (mb, CEE_ADD);
9192 mono_mb_emit_stloc (mb, ind);
9195 /* return array->vector + ind * element_size */
9196 mono_mb_emit_ldarg (mb, 0);
9197 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoArray, vector));
9198 mono_mb_emit_ldloc (mb, ind);
9199 mono_mb_emit_icon (mb, elem_size);
9200 mono_mb_emit_byte (mb, CEE_MUL);
9201 mono_mb_emit_byte (mb, CEE_ADD);
9202 mono_mb_emit_byte (mb, CEE_RET);
9204 /* patch the branches to get here and throw */
9205 for (i = 1; i < rank; ++i) {
9206 mono_mb_patch_branch (mb, branch_positions [i]);
9208 mono_mb_patch_branch (mb, branch_pos);
9209 /* throw exception */
9210 mono_mb_emit_exception (mb, "IndexOutOfRangeException", NULL);
9212 g_free (branch_positions);
9213 ret = mono_mb_create_method (mb, sig, 4);
9216 /* cache the result */
9218 mono_marshal_lock ();
9219 for (i = 0; i < elem_addr_cache_next; ++i) {
9220 if (elem_addr_cache [i].rank == rank && elem_addr_cache [i].elem_size == elem_size) {
9221 /* FIXME: free ret */
9222 ret = elem_addr_cache [i].method;
9228 if (elem_addr_cache_next >= elem_addr_cache_size) {
9229 int new_size = elem_addr_cache_size + 4;
9230 ArrayElemAddr *new_array = g_new0 (ArrayElemAddr, new_size);
9231 memcpy (new_array, elem_addr_cache, elem_addr_cache_size * sizeof (ArrayElemAddr));
9232 g_free (elem_addr_cache);
9233 elem_addr_cache = new_array;
9234 elem_addr_cache_size = new_size;
9236 elem_addr_cache [elem_addr_cache_next].rank = rank;
9237 elem_addr_cache [elem_addr_cache_next].elem_size = elem_size;
9238 elem_addr_cache [elem_addr_cache_next].method = ret;
9240 mono_marshal_unlock ();
9245 mono_marshal_alloc (gulong size)
9249 #ifdef PLATFORM_WIN32
9250 res = CoTaskMemAlloc (size);
9252 res = g_try_malloc ((gulong)size);
9254 mono_gc_out_of_memory ((gulong)size);
9260 mono_marshal_free (gpointer ptr)
9262 #ifdef PLATFORM_WIN32
9263 CoTaskMemFree (ptr);
9270 mono_marshal_free_array (gpointer *ptr, int size)
9277 for (i = 0; i < size; i++)
9283 mono_marshal_string_to_utf16 (MonoString *s)
9285 return s ? mono_string_chars (s) : NULL;
9289 mono_marshal_string_to_utf16_copy (MonoString *s)
9294 gunichar2 *res = mono_marshal_alloc ((mono_string_length (s) * 2) + 2);
9295 memcpy (res, mono_string_chars (s), mono_string_length (s) * 2);
9296 res [mono_string_length (s)] = 0;
9302 * mono_marshal_set_last_error:
9304 * This function is invoked to set the last error value from a P/Invoke call
9305 * which has SetLastError set.
9308 mono_marshal_set_last_error (void)
9311 TlsSetValue (last_error_tls_id, GINT_TO_POINTER (GetLastError ()));
9313 TlsSetValue (last_error_tls_id, GINT_TO_POINTER (errno));
9318 mono_marshal_set_last_error_windows (int error)
9321 TlsSetValue (last_error_tls_id, GINT_TO_POINTER (error));
9326 ves_icall_System_Runtime_InteropServices_Marshal_copy_to_unmanaged (MonoArray *src, gint32 start_index,
9327 gpointer dest, gint32 length)
9332 MONO_ARCH_SAVE_REGS;
9334 MONO_CHECK_ARG_NULL (src);
9335 MONO_CHECK_ARG_NULL (dest);
9337 if (src->obj.vtable->klass->rank != 1)
9338 mono_raise_exception (mono_get_exception_argument ("array", "array is multi-dimensional"));
9339 if (start_index < 0)
9340 mono_raise_exception (mono_get_exception_argument ("startIndex", "Must be >= 0"));
9342 mono_raise_exception (mono_get_exception_argument ("length", "Must be >= 0"));
9343 if (start_index + length > mono_array_length (src))
9344 mono_raise_exception (mono_get_exception_argument ("length", "start_index + length > array length"));
9346 element_size = mono_array_element_size (src->obj.vtable->klass);
9348 /* no references should be involved */
9349 source_addr = mono_array_addr_with_size (src, element_size, start_index);
9351 memcpy (dest, source_addr, length * element_size);
9355 ves_icall_System_Runtime_InteropServices_Marshal_copy_from_unmanaged (gpointer src, gint32 start_index,
9356 MonoArray *dest, gint32 length)
9361 MONO_ARCH_SAVE_REGS;
9363 MONO_CHECK_ARG_NULL (src);
9364 MONO_CHECK_ARG_NULL (dest);
9366 if (dest->obj.vtable->klass->rank != 1)
9367 mono_raise_exception (mono_get_exception_argument ("array", "array is multi-dimensional"));
9368 if (start_index < 0)
9369 mono_raise_exception (mono_get_exception_argument ("startIndex", "Must be >= 0"));
9371 mono_raise_exception (mono_get_exception_argument ("length", "Must be >= 0"));
9372 if (start_index + length > mono_array_length (dest))
9373 mono_raise_exception (mono_get_exception_argument ("length", "start_index + length > array length"));
9375 element_size = mono_array_element_size (dest->obj.vtable->klass);
9377 /* no references should be involved */
9378 dest_addr = mono_array_addr_with_size (dest, element_size, start_index);
9380 memcpy (dest_addr, src, length * element_size);
9383 #if NO_UNALIGNED_ACCESS
9384 #define RETURN_UNALIGNED(type, addr) \
9387 memcpy(&val, p + offset, sizeof(val)); \
9390 #define WRITE_UNALIGNED(type, addr, val) \
9391 memcpy(addr, &val, sizeof(type))
9393 #define RETURN_UNALIGNED(type, addr) \
9394 return *(type*)(p + offset);
9395 #define WRITE_UNALIGNED(type, addr, val) \
9396 (*(type *)(addr) = (val))
9400 ves_icall_System_Runtime_InteropServices_Marshal_ReadIntPtr (gpointer ptr, gint32 offset)
9404 MONO_ARCH_SAVE_REGS;
9406 RETURN_UNALIGNED(gpointer, p + offset);
9410 ves_icall_System_Runtime_InteropServices_Marshal_ReadByte (gpointer ptr, gint32 offset)
9414 MONO_ARCH_SAVE_REGS;
9416 return *(unsigned char*)(p + offset);
9420 ves_icall_System_Runtime_InteropServices_Marshal_ReadInt16 (gpointer ptr, gint32 offset)
9424 MONO_ARCH_SAVE_REGS;
9426 RETURN_UNALIGNED(gint16, p + offset);
9430 ves_icall_System_Runtime_InteropServices_Marshal_ReadInt32 (gpointer ptr, gint32 offset)
9434 MONO_ARCH_SAVE_REGS;
9436 RETURN_UNALIGNED(gint32, p + offset);
9440 ves_icall_System_Runtime_InteropServices_Marshal_ReadInt64 (gpointer ptr, gint32 offset)
9444 MONO_ARCH_SAVE_REGS;
9446 RETURN_UNALIGNED(gint64, p + offset);
9450 ves_icall_System_Runtime_InteropServices_Marshal_WriteByte (gpointer ptr, gint32 offset, unsigned char val)
9454 MONO_ARCH_SAVE_REGS;
9456 *(unsigned char*)(p + offset) = val;
9460 ves_icall_System_Runtime_InteropServices_Marshal_WriteIntPtr (gpointer ptr, gint32 offset, gpointer val)
9464 MONO_ARCH_SAVE_REGS;
9466 WRITE_UNALIGNED(gpointer, p + offset, val);
9470 ves_icall_System_Runtime_InteropServices_Marshal_WriteInt16 (gpointer ptr, gint32 offset, gint16 val)
9474 MONO_ARCH_SAVE_REGS;
9476 WRITE_UNALIGNED(gint16, p + offset, val);
9480 ves_icall_System_Runtime_InteropServices_Marshal_WriteInt32 (gpointer ptr, gint32 offset, gint32 val)
9484 MONO_ARCH_SAVE_REGS;
9486 WRITE_UNALIGNED(gint32, p + offset, val);
9490 ves_icall_System_Runtime_InteropServices_Marshal_WriteInt64 (gpointer ptr, gint32 offset, gint64 val)
9494 MONO_ARCH_SAVE_REGS;
9496 WRITE_UNALIGNED(gint64, p + offset, val);
9500 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringAnsi (char *ptr)
9502 MONO_ARCH_SAVE_REGS;
9507 return mono_string_new (mono_domain_get (), ptr);
9511 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringAnsi_len (char *ptr, gint32 len)
9513 MONO_ARCH_SAVE_REGS;
9516 mono_raise_exception (mono_get_exception_argument_null ("ptr"));
9517 g_assert_not_reached ();
9520 return mono_string_new_len (mono_domain_get (), ptr, len);
9525 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringUni (guint16 *ptr)
9527 MonoDomain *domain = mono_domain_get ();
9531 MONO_ARCH_SAVE_REGS;
9539 return mono_string_new_utf16 (domain, ptr, len);
9543 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringUni_len (guint16 *ptr, gint32 len)
9545 MonoDomain *domain = mono_domain_get ();
9547 MONO_ARCH_SAVE_REGS;
9550 mono_raise_exception (mono_get_exception_argument_null ("ptr"));
9551 g_assert_not_reached ();
9554 return mono_string_new_utf16 (domain, ptr, len);
9559 ves_icall_System_Runtime_InteropServices_Marshal_GetLastWin32Error (void)
9561 MONO_ARCH_SAVE_REGS;
9563 return (GPOINTER_TO_INT (TlsGetValue (last_error_tls_id)));
9567 ves_icall_System_Runtime_InteropServices_Marshal_SizeOf (MonoReflectionType *rtype)
9573 MONO_ARCH_SAVE_REGS;
9575 MONO_CHECK_ARG_NULL (rtype);
9578 klass = mono_class_from_mono_type (type);
9579 layout = (klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK);
9581 if (layout == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
9585 msg = g_strdup_printf ("Type %s cannot be marshaled as an unmanaged structure.", klass->name);
9586 exc = mono_get_exception_argument ("t", msg);
9588 mono_raise_exception (exc);
9592 return mono_class_native_size (klass, NULL);
9596 ves_icall_System_Runtime_InteropServices_Marshal_StructureToPtr (MonoObject *obj, gpointer dst, MonoBoolean delete_old)
9601 MONO_ARCH_SAVE_REGS;
9603 MONO_CHECK_ARG_NULL (obj);
9604 MONO_CHECK_ARG_NULL (dst);
9606 method = mono_marshal_get_struct_to_ptr (obj->vtable->klass);
9610 pa [2] = &delete_old;
9612 mono_runtime_invoke (method, NULL, pa, NULL);
9616 ptr_to_structure (gpointer src, MonoObject *dst)
9621 method = mono_marshal_get_ptr_to_struct (dst->vtable->klass);
9626 mono_runtime_invoke (method, NULL, pa, NULL);
9630 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure (gpointer src, MonoObject *dst)
9634 MONO_ARCH_SAVE_REGS;
9636 MONO_CHECK_ARG_NULL (src);
9637 MONO_CHECK_ARG_NULL (dst);
9639 t = mono_type_get_underlying_type (mono_class_get_type (dst->vtable->klass));
9641 if (t->type == MONO_TYPE_VALUETYPE) {
9645 tmp = g_strdup_printf ("Destination is a boxed value type.");
9646 exc = mono_get_exception_argument ("dst", tmp);
9649 mono_raise_exception (exc);
9653 ptr_to_structure (src, dst);
9657 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure_type (gpointer src, MonoReflectionType *type)
9659 MonoDomain *domain = mono_domain_get ();
9662 MONO_ARCH_SAVE_REGS;
9664 MONO_CHECK_ARG_NULL (src);
9665 MONO_CHECK_ARG_NULL (type);
9667 res = mono_object_new (domain, mono_class_from_mono_type (type->type));
9669 ptr_to_structure (src, res);
9675 ves_icall_System_Runtime_InteropServices_Marshal_OffsetOf (MonoReflectionType *type, MonoString *field_name)
9677 MonoMarshalType *info;
9680 int match_index = -1;
9682 MONO_ARCH_SAVE_REGS;
9684 MONO_CHECK_ARG_NULL (type);
9685 MONO_CHECK_ARG_NULL (field_name);
9687 fname = mono_string_to_utf8 (field_name);
9688 klass = mono_class_from_mono_type (type->type);
9690 while (klass && match_index == -1) {
9691 MonoClassField* field;
9693 gpointer iter = NULL;
9694 while ((field = mono_class_get_fields (klass, &iter))) {
9695 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
9697 if (!strcmp (fname, mono_field_get_name (field))) {
9704 if (match_index == -1)
9705 klass = klass->parent;
9710 if(match_index == -1) {
9714 /* Get back original class instance */
9715 klass = mono_class_from_mono_type (type->type);
9717 tmp = g_strdup_printf ("Field passed in is not a marshaled member of the type %s", klass->name);
9718 exc = mono_get_exception_argument ("fieldName", tmp);
9721 mono_raise_exception ((MonoException*)exc);
9724 info = mono_marshal_load_type_info (klass);
9725 return info->fields [match_index].offset;
9729 ves_icall_System_Runtime_InteropServices_Marshal_StringToHGlobalAnsi (MonoString *string)
9731 #ifdef PLATFORM_WIN32
9734 tres = mono_string_to_utf8 (string);
9738 len = strlen (tres) + 1;
9739 ret = ves_icall_System_Runtime_InteropServices_Marshal_AllocHGlobal (len);
9740 memcpy (ret, tres, len);
9745 return mono_string_to_utf8 (string);
9750 ves_icall_System_Runtime_InteropServices_Marshal_StringToHGlobalUni (MonoString *string)
9752 MONO_ARCH_SAVE_REGS;
9757 #ifdef PLATFORM_WIN32
9758 gunichar2 *res = ves_icall_System_Runtime_InteropServices_Marshal_AllocHGlobal
9759 ((mono_string_length (string) + 1) * 2);
9761 gunichar2 *res = g_malloc ((mono_string_length (string) + 1) * 2);
9763 memcpy (res, mono_string_chars (string), mono_string_length (string) * 2);
9764 res [mono_string_length (string)] = 0;
9770 mono_struct_delete_old (MonoClass *klass, char *ptr)
9772 MonoMarshalType *info;
9775 info = mono_marshal_load_type_info (klass);
9777 for (i = 0; i < info->num_fields; i++) {
9778 MonoMarshalNative ntype;
9779 MonoMarshalConv conv;
9780 MonoType *ftype = info->fields [i].field->type;
9783 if (ftype->attrs & FIELD_ATTRIBUTE_STATIC)
9786 ntype = mono_type_to_unmanaged (ftype, info->fields [i].mspec, TRUE,
9787 klass->unicode, &conv);
9789 cpos = ptr + info->fields [i].offset;
9792 case MONO_MARSHAL_CONV_NONE:
9793 if (MONO_TYPE_ISSTRUCT (ftype)) {
9794 mono_struct_delete_old (ftype->data.klass, cpos);
9798 case MONO_MARSHAL_CONV_STR_LPWSTR:
9799 /* We assume this field points inside a MonoString */
9801 case MONO_MARSHAL_CONV_STR_LPTSTR:
9802 #ifdef PLATFORM_WIN32
9803 /* We assume this field points inside a MonoString
9807 case MONO_MARSHAL_CONV_STR_LPSTR:
9808 case MONO_MARSHAL_CONV_STR_BSTR:
9809 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
9810 case MONO_MARSHAL_CONV_STR_TBSTR:
9811 mono_marshal_free (*(gpointer *)cpos);
9821 ves_icall_System_Runtime_InteropServices_Marshal_DestroyStructure (gpointer src, MonoReflectionType *type)
9825 MONO_ARCH_SAVE_REGS;
9827 MONO_CHECK_ARG_NULL (src);
9828 MONO_CHECK_ARG_NULL (type);
9830 klass = mono_class_from_mono_type (type->type);
9832 mono_struct_delete_old (klass, (char *)src);
9836 ves_icall_System_Runtime_InteropServices_Marshal_AllocHGlobal (int size)
9840 MONO_ARCH_SAVE_REGS;
9842 if ((gulong)size == 0)
9843 /* This returns a valid pointer for size 0 on MS.NET */
9846 #ifdef PLATFORM_WIN32
9847 res = GlobalAlloc (GMEM_FIXED, (gulong)size);
9849 res = g_try_malloc ((gulong)size);
9852 mono_gc_out_of_memory ((gulong)size);
9858 ves_icall_System_Runtime_InteropServices_Marshal_ReAllocHGlobal (gpointer ptr, int size)
9863 mono_gc_out_of_memory ((gulong)size);
9867 #ifdef PLATFORM_WIN32
9868 res = GlobalReAlloc (ptr, (gulong)size, GMEM_MOVEABLE);
9870 res = g_try_realloc (ptr, (gulong)size);
9873 mono_gc_out_of_memory ((gulong)size);
9879 ves_icall_System_Runtime_InteropServices_Marshal_FreeHGlobal (void *ptr)
9881 MONO_ARCH_SAVE_REGS;
9883 #ifdef PLATFORM_WIN32
9891 ves_icall_System_Runtime_InteropServices_Marshal_AllocCoTaskMem (int size)
9893 MONO_ARCH_SAVE_REGS;
9895 #ifdef PLATFORM_WIN32
9896 return CoTaskMemAlloc (size);
9898 return g_try_malloc ((gulong)size);
9903 ves_icall_System_Runtime_InteropServices_Marshal_FreeCoTaskMem (void *ptr)
9905 MONO_ARCH_SAVE_REGS;
9907 #ifdef PLATFORM_WIN32
9908 CoTaskMemFree (ptr);
9915 ves_icall_System_Runtime_InteropServices_Marshal_ReAllocCoTaskMem (gpointer ptr, int size)
9917 MONO_ARCH_SAVE_REGS;
9919 #ifdef PLATFORM_WIN32
9920 return CoTaskMemRealloc (ptr, size);
9922 return g_try_realloc (ptr, (gulong)size);
9927 ves_icall_System_Runtime_InteropServices_Marshal_UnsafeAddrOfPinnedArrayElement (MonoArray *arrayobj, int index)
9929 return mono_array_addr_with_size (arrayobj, mono_array_element_size (arrayobj->obj.vtable->klass), index);
9933 ves_icall_System_Runtime_InteropServices_Marshal_GetDelegateForFunctionPointerInternal (void *ftn, MonoReflectionType *type)
9935 return mono_ftnptr_to_delegate (mono_type_get_class (type->type), ftn);
9939 * mono_marshal_is_loading_type_info:
9941 * Return whenever mono_marshal_load_type_info () is being executed for KLASS by this
9945 mono_marshal_is_loading_type_info (MonoClass *klass)
9947 GSList *loads_list = TlsGetValue (load_type_info_tls_id);
9949 return g_slist_find (loads_list, klass) != NULL;
9953 * mono_marshal_load_type_info:
9955 * Initialize klass->marshal_info using information from metadata. This function can
9956 * recursively call itself, and the caller is responsible to avoid that by calling
9957 * mono_marshal_is_loading_type_info () beforehand.
9959 * LOCKING: Acquires the loader lock.
9962 mono_marshal_load_type_info (MonoClass* klass)
9965 guint32 native_size = 0, min_align = 1;
9966 MonoMarshalType *info;
9967 MonoClassField* field;
9972 g_assert (klass != NULL);
9974 if (klass->marshal_info)
9975 return klass->marshal_info;
9978 mono_class_init (klass);
9980 mono_loader_lock ();
9982 if (klass->marshal_info) {
9983 mono_loader_unlock ();
9984 return klass->marshal_info;
9988 * This function can recursively call itself, so we keep the list of classes which are
9989 * under initialization in a TLS list.
9991 g_assert (!mono_marshal_is_loading_type_info (klass));
9992 loads_list = TlsGetValue (load_type_info_tls_id);
9993 loads_list = g_slist_prepend (loads_list, klass);
9994 TlsSetValue (load_type_info_tls_id, loads_list);
9997 while ((field = mono_class_get_fields (klass, &iter))) {
9998 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
10000 if (mono_field_is_deleted (field))
10005 layout = klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK;
10007 /* The mempool is protected by the loader lock */
10008 info = mono_image_alloc0 (klass->image, MONO_SIZEOF_MARSHAL_TYPE + sizeof (MonoMarshalField) * count);
10009 info->num_fields = count;
10011 /* Try to find a size for this type in metadata */
10012 mono_metadata_packing_from_typedef (klass->image, klass->type_token, NULL, &native_size);
10014 if (klass->parent) {
10015 int parent_size = mono_class_native_size (klass->parent, NULL);
10017 /* Add parent size to real size */
10018 native_size += parent_size;
10019 info->native_size = parent_size;
10024 while ((field = mono_class_get_fields (klass, &iter))) {
10028 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
10031 if (mono_field_is_deleted (field))
10033 if (field->type->attrs & FIELD_ATTRIBUTE_HAS_FIELD_MARSHAL)
10034 mono_metadata_field_info_with_mempool (klass->image, mono_metadata_token_index (mono_class_get_field_token (field)) - 1,
10035 NULL, NULL, &info->fields [j].mspec);
10037 info->fields [j].field = field;
10039 if ((mono_class_num_fields (klass) == 1) && (klass->instance_size == sizeof (MonoObject)) &&
10040 (strcmp (mono_field_get_name (field), "$PRIVATE$") == 0)) {
10041 /* This field is a hack inserted by MCS to empty structures */
10046 case TYPE_ATTRIBUTE_AUTO_LAYOUT:
10047 case TYPE_ATTRIBUTE_SEQUENTIAL_LAYOUT:
10048 size = mono_marshal_type_size (field->type, info->fields [j].mspec,
10049 &align, TRUE, klass->unicode);
10050 align = klass->packing_size ? MIN (klass->packing_size, align): align;
10051 min_align = MAX (align, min_align);
10052 info->fields [j].offset = info->native_size;
10053 info->fields [j].offset += align - 1;
10054 info->fields [j].offset &= ~(align - 1);
10055 info->native_size = info->fields [j].offset + size;
10057 case TYPE_ATTRIBUTE_EXPLICIT_LAYOUT:
10058 size = mono_marshal_type_size (field->type, info->fields [j].mspec,
10059 &align, TRUE, klass->unicode);
10060 align = klass->packing_size ? MIN (klass->packing_size, align): align;
10061 min_align = MAX (align, min_align);
10062 info->fields [j].offset = field->offset - sizeof (MonoObject);
10063 info->native_size = MAX (info->native_size, info->fields [j].offset + size);
10069 if(layout != TYPE_ATTRIBUTE_AUTO_LAYOUT) {
10070 info->native_size = MAX (native_size, info->native_size);
10073 if (info->native_size & (min_align - 1)) {
10074 info->native_size += min_align - 1;
10075 info->native_size &= ~(min_align - 1);
10078 info->min_align = min_align;
10080 /* Update the class's blittable info, if the layouts don't match */
10081 if (info->native_size != mono_class_value_size (klass, NULL))
10082 klass->blittable = FALSE;
10084 /* If this is an array type, ensure that we have element info */
10085 if (klass->element_class && !mono_marshal_is_loading_type_info (klass->element_class)) {
10086 mono_marshal_load_type_info (klass->element_class);
10089 loads_list = TlsGetValue (load_type_info_tls_id);
10090 loads_list = g_slist_remove (loads_list, klass);
10091 TlsSetValue (load_type_info_tls_id, loads_list);
10093 /*We do double-checking locking on marshal_info */
10094 mono_memory_barrier ();
10096 klass->marshal_info = info;
10098 mono_loader_unlock ();
10100 return klass->marshal_info;
10104 * mono_class_native_size:
10107 * Returns: the native size of an object instance (when marshaled
10108 * to unmanaged code)
10111 mono_class_native_size (MonoClass *klass, guint32 *align)
10113 if (!klass->marshal_info) {
10114 if (mono_marshal_is_loading_type_info (klass)) {
10119 mono_marshal_load_type_info (klass);
10124 *align = klass->marshal_info->min_align;
10126 return klass->marshal_info->native_size;
10129 /* __alignof__ returns the preferred alignment of values not the actual alignment used by
10130 the compiler so is wrong e.g. for Linux where doubles are aligned on a 4 byte boundary
10131 but __alignof__ returns 8 - using G_STRUCT_OFFSET works better */
10132 #define ALIGNMENT(type) G_STRUCT_OFFSET(struct { char c; type x; }, x)
10135 * mono_type_native_stack_size:
10136 * @t: the type to return the size it uses on the stack
10138 * Returns: the number of bytes required to hold an instance of this
10139 * type on the native stack
10142 mono_type_native_stack_size (MonoType *t, guint32 *align)
10146 g_assert (t != NULL);
10152 *align = sizeof (gpointer);
10153 return sizeof (gpointer);
10157 case MONO_TYPE_BOOLEAN:
10158 case MONO_TYPE_CHAR:
10169 case MONO_TYPE_STRING:
10170 case MONO_TYPE_OBJECT:
10171 case MONO_TYPE_CLASS:
10172 case MONO_TYPE_SZARRAY:
10173 case MONO_TYPE_PTR:
10174 case MONO_TYPE_FNPTR:
10175 case MONO_TYPE_ARRAY:
10176 *align = sizeof (gpointer);
10177 return sizeof (gpointer);
10182 *align = ALIGNMENT (gdouble);
10186 *align = ALIGNMENT (glong);
10188 case MONO_TYPE_GENERICINST:
10189 if (!mono_type_generic_inst_is_valuetype (t)) {
10190 *align = sizeof (gpointer);
10191 return sizeof (gpointer);
10194 case MONO_TYPE_TYPEDBYREF:
10195 case MONO_TYPE_VALUETYPE: {
10197 MonoClass *klass = mono_class_from_mono_type (t);
10199 if (klass->enumtype)
10200 return mono_type_native_stack_size (mono_class_enum_basetype (klass), align);
10202 size = mono_class_native_size (klass, align);
10203 *align = *align + 3;
10213 g_error ("type 0x%02x unknown", t->type);
10219 mono_marshal_type_size (MonoType *type, MonoMarshalSpec *mspec, guint32 *align,
10220 gboolean as_field, gboolean unicode)
10222 MonoMarshalNative native_type = mono_type_to_unmanaged (type, mspec, as_field, unicode, NULL);
10225 switch (native_type) {
10226 case MONO_NATIVE_BOOLEAN:
10229 case MONO_NATIVE_I1:
10230 case MONO_NATIVE_U1:
10233 case MONO_NATIVE_I2:
10234 case MONO_NATIVE_U2:
10235 case MONO_NATIVE_VARIANTBOOL:
10238 case MONO_NATIVE_I4:
10239 case MONO_NATIVE_U4:
10240 case MONO_NATIVE_ERROR:
10243 case MONO_NATIVE_I8:
10244 case MONO_NATIVE_U8:
10245 *align = ALIGNMENT(guint64);
10247 case MONO_NATIVE_R4:
10250 case MONO_NATIVE_R8:
10251 *align = ALIGNMENT(double);
10253 case MONO_NATIVE_INT:
10254 case MONO_NATIVE_UINT:
10255 case MONO_NATIVE_LPSTR:
10256 case MONO_NATIVE_LPWSTR:
10257 case MONO_NATIVE_LPTSTR:
10258 case MONO_NATIVE_BSTR:
10259 case MONO_NATIVE_ANSIBSTR:
10260 case MONO_NATIVE_TBSTR:
10261 case MONO_NATIVE_LPARRAY:
10262 case MONO_NATIVE_SAFEARRAY:
10263 case MONO_NATIVE_IUNKNOWN:
10264 case MONO_NATIVE_IDISPATCH:
10265 case MONO_NATIVE_INTERFACE:
10266 case MONO_NATIVE_ASANY:
10267 case MONO_NATIVE_FUNC:
10268 case MONO_NATIVE_LPSTRUCT:
10269 *align = ALIGNMENT(gpointer);
10270 return sizeof (gpointer);
10271 case MONO_NATIVE_STRUCT:
10272 klass = mono_class_from_mono_type (type);
10273 if (klass == mono_defaults.object_class &&
10274 (mspec && mspec->native == MONO_NATIVE_STRUCT)) {
10278 return mono_class_native_size (klass, align);
10279 case MONO_NATIVE_BYVALTSTR: {
10280 int esize = unicode ? 2: 1;
10283 return mspec->data.array_data.num_elem * esize;
10285 case MONO_NATIVE_BYVALARRAY: {
10286 // FIXME: Have to consider ArraySubType
10288 klass = mono_class_from_mono_type (type);
10289 if (klass->element_class == mono_defaults.char_class) {
10290 esize = unicode ? 2 : 1;
10293 esize = mono_class_native_size (klass->element_class, align);
10296 return mspec->data.array_data.num_elem * esize;
10298 case MONO_NATIVE_CUSTOM:
10299 *align = sizeof (gpointer);
10300 return sizeof (gpointer);
10302 case MONO_NATIVE_CURRENCY:
10303 case MONO_NATIVE_VBBYREFSTR:
10305 g_error ("native type %02x not implemented", native_type);
10308 g_assert_not_reached ();
10313 mono_marshal_asany (MonoObject *o, MonoMarshalNative string_encoding, int param_attrs)
10321 t = &o->vtable->klass->byval_arg;
10325 case MONO_TYPE_PTR:
10328 case MONO_TYPE_BOOLEAN:
10331 case MONO_TYPE_CHAR:
10336 return mono_object_unbox (o);
10338 case MONO_TYPE_STRING:
10339 switch (string_encoding) {
10340 case MONO_NATIVE_LPWSTR:
10341 return mono_string_to_utf16 ((MonoString*)o);
10343 case MONO_NATIVE_LPSTR:
10344 return mono_string_to_lpstr ((MonoString*)o);
10347 g_warning ("marshaling conversion %d not implemented", string_encoding);
10348 g_assert_not_reached ();
10351 case MONO_TYPE_CLASS:
10352 case MONO_TYPE_VALUETYPE: {
10353 MonoMethod *method;
10356 MonoBoolean delete_old = FALSE;
10358 klass = t->data.klass;
10360 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT)
10363 if (klass->valuetype && (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
10364 klass->blittable || klass->enumtype))
10365 return mono_object_unbox (o);
10367 res = mono_marshal_alloc (mono_class_native_size (klass, NULL));
10369 if (!((param_attrs & PARAM_ATTRIBUTE_OUT) && !(param_attrs & PARAM_ATTRIBUTE_IN))) {
10370 method = mono_marshal_get_struct_to_ptr (o->vtable->klass);
10374 pa [2] = &delete_old;
10376 mono_runtime_invoke (method, NULL, pa, NULL);
10383 mono_raise_exception (mono_get_exception_argument ("", "No PInvoke conversion exists for value passed to Object-typed parameter."));
10389 mono_marshal_free_asany (MonoObject *o, gpointer ptr, MonoMarshalNative string_encoding, int param_attrs)
10397 t = &o->vtable->klass->byval_arg;
10399 case MONO_TYPE_STRING:
10400 switch (string_encoding) {
10401 case MONO_NATIVE_LPWSTR:
10402 case MONO_NATIVE_LPSTR:
10403 mono_marshal_free (ptr);
10406 g_warning ("marshaling conversion %d not implemented", string_encoding);
10407 g_assert_not_reached ();
10410 case MONO_TYPE_CLASS:
10411 case MONO_TYPE_VALUETYPE: {
10412 klass = t->data.klass;
10414 if (klass->valuetype && (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
10415 klass->blittable || klass->enumtype))
10418 if (param_attrs & PARAM_ATTRIBUTE_OUT) {
10419 MonoMethod *method = mono_marshal_get_ptr_to_struct (o->vtable->klass);
10425 mono_runtime_invoke (method, NULL, pa, NULL);
10428 if (!((param_attrs & PARAM_ATTRIBUTE_OUT) && !(param_attrs & PARAM_ATTRIBUTE_IN))) {
10429 mono_struct_delete_old (klass, ptr);
10432 mono_marshal_free (ptr);
10441 mono_marshal_get_generic_array_helper (MonoClass *class, MonoClass *iface, gchar *name, MonoMethod *method)
10443 MonoMethodSignature *sig, *csig;
10444 MonoMethodBuilder *mb;
10448 mb = mono_mb_new_no_dup_name (class, name, MONO_WRAPPER_MANAGED_TO_MANAGED);
10449 mb->method->slot = -1;
10451 mb->method->flags = METHOD_ATTRIBUTE_PRIVATE | METHOD_ATTRIBUTE_VIRTUAL |
10452 METHOD_ATTRIBUTE_NEW_SLOT | METHOD_ATTRIBUTE_HIDE_BY_SIG | METHOD_ATTRIBUTE_FINAL;
10454 sig = mono_method_signature (method);
10455 csig = signature_dup (method->klass->image, sig);
10456 csig->generic_param_count = 0;
10458 mono_mb_emit_ldarg (mb, 0);
10459 for (i = 0; i < csig->param_count; i++)
10460 mono_mb_emit_ldarg (mb, i + 1);
10461 mono_mb_emit_managed_call (mb, method, NULL);
10462 mono_mb_emit_byte (mb, CEE_RET);
10464 /* We can corlib internal methods */
10465 mb->skip_visibility = TRUE;
10467 res = mono_mb_create_method (mb, csig, csig->param_count + 16);
10475 * The mono_win32_compat_* functions are implementations of inline
10476 * Windows kernel32 APIs, which are DllImport-able under MS.NET,
10477 * although not exported by kernel32.
10479 * We map the appropiate kernel32 entries to these functions using
10480 * dllmaps declared in the global etc/mono/config.
10484 mono_win32_compat_CopyMemory (gpointer dest, gconstpointer source, gsize length)
10486 if (!dest || !source)
10489 memcpy (dest, source, length);
10493 mono_win32_compat_FillMemory (gpointer dest, gsize length, guchar fill)
10495 memset (dest, fill, length);
10499 mono_win32_compat_MoveMemory (gpointer dest, gconstpointer source, gsize length)
10501 if (!dest || !source)
10504 memmove (dest, source, length);
10508 mono_win32_compat_ZeroMemory (gpointer dest, gsize length)
10510 memset (dest, 0, length);
10514 mono_marshal_find_nonzero_bit_offset (guint8 *buf, int len, int *byte_offset, guint8 *bitmask)
10519 for (i = 0; i < len; ++i)
10523 g_assert (i < len);
10526 while (byte && !(byte & 1))
10528 g_assert (byte == 1);
10531 *bitmask = buf [i];
10535 mono_marshal_get_thunk_invoke_wrapper (MonoMethod *method)
10537 MonoMethodBuilder *mb;
10538 MonoMethodSignature *sig, *csig;
10539 MonoExceptionClause *clause;
10544 int i, param_count, sig_size, pos_leave;
10548 klass = method->klass;
10549 image = method->klass->image;
10550 cache = get_cache (&image->thunk_invoke_cache, mono_aligned_addr_hash, NULL);
10552 if ((res = mono_marshal_find_in_cache (cache, method)))
10555 sig = mono_method_signature (method);
10556 mb = mono_mb_new (klass, method->name, MONO_WRAPPER_NATIVE_TO_MANAGED);
10558 /* add "this" and exception param */
10559 param_count = sig->param_count + sig->hasthis + 1;
10561 /* dup & extend signature */
10562 csig = mono_metadata_signature_alloc (image, param_count);
10563 sig_size = MONO_SIZEOF_METHOD_SIGNATURE + sig->param_count * sizeof (MonoType *);
10564 memcpy (csig, sig, sig_size);
10565 csig->param_count = param_count;
10568 csig->call_convention = MONO_CALL_DEFAULT;
10570 if (sig->hasthis) {
10572 csig->params [0] = &klass->byval_arg;
10573 /* move params up by one */
10574 for (i = 0; i < sig->param_count; i++)
10575 csig->params [i + 1] = sig->params [i];
10578 /* setup exception param as byref+[out] */
10579 csig->params [param_count - 1] = mono_metadata_type_dup (image,
10580 &mono_defaults.exception_class->byval_arg);
10581 csig->params [param_count - 1]->byref = 1;
10582 csig->params [param_count - 1]->attrs = PARAM_ATTRIBUTE_OUT;
10584 /* convert struct return to object */
10585 if (MONO_TYPE_ISSTRUCT (sig->ret))
10586 csig->ret = &mono_defaults.object_class->byval_arg;
10588 /* local 0 (temp for exception object) */
10589 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
10591 /* local 1 (temp for result) */
10592 if (!MONO_TYPE_IS_VOID (sig->ret))
10593 mono_mb_add_local (mb, sig->ret);
10595 /* clear exception arg */
10596 mono_mb_emit_ldarg (mb, param_count - 1);
10597 mono_mb_emit_byte (mb, CEE_LDNULL);
10598 mono_mb_emit_byte (mb, CEE_STIND_REF);
10601 clause = mono_image_alloc0 (image, sizeof (MonoExceptionClause));
10602 clause->try_offset = mono_mb_get_label (mb);
10604 /* push method's args */
10605 for (i = 0; i < param_count - 1; i++) {
10609 mono_mb_emit_ldarg (mb, i);
10611 /* get the byval type of the param */
10612 klass = mono_class_from_mono_type (csig->params [i]);
10613 type = &klass->byval_arg;
10615 /* unbox struct args */
10616 if (MONO_TYPE_ISSTRUCT (type)) {
10617 mono_mb_emit_op (mb, CEE_UNBOX, klass);
10619 /* byref args & and the "this" arg must remain a ptr.
10620 Otherwise make a copy of the value type */
10621 if (!(csig->params [i]->byref || (i == 0 && sig->hasthis)))
10622 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
10624 csig->params [i] = &mono_defaults.object_class->byval_arg;
10629 if (method->flags & METHOD_ATTRIBUTE_VIRTUAL)
10630 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
10632 mono_mb_emit_op (mb, CEE_CALL, method);
10634 /* save result at local 1 */
10635 if (!MONO_TYPE_IS_VOID (sig->ret))
10636 mono_mb_emit_stloc (mb, 1);
10638 pos_leave = mono_mb_emit_branch (mb, CEE_LEAVE);
10641 clause->flags = MONO_EXCEPTION_CLAUSE_NONE;
10642 clause->try_len = mono_mb_get_pos (mb) - clause->try_offset;
10643 clause->data.catch_class = mono_defaults.object_class;
10645 clause->handler_offset = mono_mb_get_label (mb);
10647 /* store exception at local 0 */
10648 mono_mb_emit_stloc (mb, 0);
10649 mono_mb_emit_ldarg (mb, param_count - 1);
10650 mono_mb_emit_ldloc (mb, 0);
10651 mono_mb_emit_byte (mb, CEE_STIND_REF);
10652 mono_mb_emit_branch (mb, CEE_LEAVE);
10654 clause->handler_len = mono_mb_get_pos (mb) - clause->handler_offset;
10656 mono_mb_set_clauses (mb, 1, clause);
10658 mono_mb_patch_branch (mb, pos_leave);
10661 if (!MONO_TYPE_IS_VOID (sig->ret)) {
10662 mono_mb_emit_ldloc (mb, 1);
10664 /* box the return value */
10665 if (MONO_TYPE_ISSTRUCT (sig->ret))
10666 mono_mb_emit_op (mb, CEE_BOX, mono_class_from_mono_type (sig->ret));
10669 mono_mb_emit_byte (mb, CEE_RET);
10671 res = mono_mb_create_and_cache (cache, method, mb, csig, param_count + 16);
10678 * mono_marshal_free_dynamic_wrappers:
10680 * Free wrappers of the dynamic method METHOD.
10683 mono_marshal_free_dynamic_wrappers (MonoMethod *method)
10685 g_assert (method->dynamic);
10687 mono_marshal_lock ();
10689 * FIXME: We currently leak the wrappers. Freeing them would be tricky as
10690 * they could be shared with other methods ?
10692 if (method->klass->image->runtime_invoke_direct_cache)
10693 g_hash_table_remove (method->klass->image->runtime_invoke_direct_cache, method);
10694 mono_marshal_unlock ();
10698 * mono_marshal_free_inflated_wrappers:
10700 * Free wrappers of the inflated method METHOD.
10704 signature_method_pair_matches_signature (gpointer key, gpointer value, gpointer user_data)
10706 SignatureMethodPair *pair = (SignatureMethodPair*)key;
10707 MonoMethodSignature *sig = (MonoMethodSignature*)user_data;
10709 return mono_metadata_signature_equal (pair->sig, sig);
10713 mono_marshal_free_inflated_wrappers (MonoMethod *method)
10715 MonoMethodSignature *sig = method->signature;
10717 g_assert (method->is_inflated);
10719 /* Ignore calls occuring late during cleanup. */
10720 if (!marshal_mutex_initialized)
10723 mono_marshal_lock ();
10725 * FIXME: We currently leak the wrappers. Freeing them would be tricky as
10726 * they could be shared with other methods ?
10730 * indexed by MonoMethodSignature
10732 /* FIXME: This could remove unrelated wrappers as well */
10733 if (sig && method->klass->image->delegate_begin_invoke_cache)
10734 g_hash_table_remove (method->klass->image->delegate_begin_invoke_cache, sig);
10735 if (sig && method->klass->image->delegate_end_invoke_cache)
10736 g_hash_table_remove (method->klass->image->delegate_end_invoke_cache, sig);
10737 if (sig && method->klass->image->delegate_invoke_cache)
10738 g_hash_table_remove (method->klass->image->delegate_invoke_cache, sig);
10739 if (sig && method->klass->image->runtime_invoke_cache)
10740 g_hash_table_remove (method->klass->image->runtime_invoke_cache, sig);
10743 * indexed by SignatureMethodPair
10745 if (sig && method->klass->image->delegate_abstract_invoke_cache)
10746 g_hash_table_foreach_remove (method->klass->image->delegate_abstract_invoke_cache,
10747 signature_method_pair_matches_signature, (gpointer)sig);
10750 * indexed by MonoMethod pointers
10752 if (method->klass->image->runtime_invoke_direct_cache)
10753 g_hash_table_remove (method->klass->image->runtime_invoke_direct_cache, method);
10754 if (method->klass->image->managed_wrapper_cache)
10755 g_hash_table_remove (method->klass->image->managed_wrapper_cache, method);
10756 if (method->klass->image->native_wrapper_cache)
10757 g_hash_table_remove (method->klass->image->native_wrapper_cache, method);
10758 if (method->klass->image->remoting_invoke_cache)
10759 g_hash_table_remove (method->klass->image->remoting_invoke_cache, method);
10760 if (method->klass->image->synchronized_cache)
10761 g_hash_table_remove (method->klass->image->synchronized_cache, method);
10762 if (method->klass->image->unbox_wrapper_cache)
10763 g_hash_table_remove (method->klass->image->unbox_wrapper_cache, method);
10764 if (method->klass->image->cominterop_invoke_cache)
10765 g_hash_table_remove (method->klass->image->cominterop_invoke_cache, method);
10766 if (method->klass->image->cominterop_wrapper_cache)
10767 g_hash_table_remove (method->klass->image->cominterop_wrapper_cache, method);
10768 if (method->klass->image->thunk_invoke_cache)
10769 g_hash_table_remove (method->klass->image->thunk_invoke_cache, method);
10771 mono_marshal_unlock ();