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 g_assert_not_reached ();
568 nativeArraySize = array->max_length;
569 nativeArray = malloc(sizeof(gpointer) * nativeArraySize);
570 for(i = 0; i < nativeArraySize; ++i)
571 nativeArray[i] = ves_icall_System_Runtime_InteropServices_Marshal_GetIUnknownForObjectInternal(((gpointer*)array->vector)[i]);
574 case MONO_TYPE_BOOLEAN:
587 case MONO_TYPE_VALUETYPE:
590 case MONO_TYPE_GENERICINST:
592 case MONO_TYPE_OBJECT:
593 case MONO_TYPE_ARRAY:
594 case MONO_TYPE_SZARRAY:
595 case MONO_TYPE_STRING:
597 g_warning ("type 0x%x not handled", klass->element_class->byval_arg.type);
598 g_assert_not_reached ();
601 return array->vector;
605 mono_free_lparray (MonoArray *array, gpointer* nativeArray)
616 klass = array->obj.vtable->klass;
618 switch (klass->element_class->byval_arg.type) {
619 case MONO_TYPE_CLASS:
620 for(i = 0; i < array->max_length; ++i)
621 mono_marshal_free_ccw(nativeArray[i]);
629 mono_byvalarray_to_array (MonoArray *arr, gpointer native_arr, MonoClass *elclass, guint32 elnum)
631 g_assert (arr->obj.vtable->klass->element_class == mono_defaults.char_class);
633 if (elclass == mono_defaults.byte_class) {
634 GError *error = NULL;
638 ut = g_utf8_to_utf16 (native_arr, elnum, NULL, &items_written, &error);
641 memcpy (mono_array_addr (arr, guint16, 0), ut, items_written * sizeof (guint16));
645 g_error_free (error);
648 g_assert_not_reached ();
652 mono_array_to_byvalarray (gpointer native_arr, MonoArray *arr, MonoClass *elclass, guint32 elnum)
654 g_assert (arr->obj.vtable->klass->element_class == mono_defaults.char_class);
656 if (elclass == mono_defaults.byte_class) {
658 GError *error = NULL;
660 as = g_utf16_to_utf8 (mono_array_addr (arr, gunichar2, 0), mono_array_length (arr), NULL, NULL, &error);
662 MonoException *exc = mono_get_exception_argument ("string", error->message);
663 g_error_free (error);
664 mono_raise_exception (exc);
667 memcpy (native_arr, as, MIN (strlen (as), elnum));
670 g_assert_not_reached ();
675 mono_string_utf8_to_builder (MonoStringBuilder *sb, char *text)
677 GError *error = NULL;
687 ut = g_utf8_to_utf16 (text, l, NULL, &items_written, &error);
689 if (items_written > mono_stringbuilder_capacity (sb))
690 items_written = mono_stringbuilder_capacity (sb);
693 if (! sb->str || sb->str == sb->cached_str) {
694 MONO_OBJECT_SETREF (sb, str, mono_string_new_size (mono_domain_get (), items_written));
695 sb->cached_str = NULL;
698 memcpy (mono_string_chars (sb->str), ut, items_written * 2);
699 sb->length = items_written;
701 g_error_free (error);
707 mono_string_utf8_to_builder2 (char *text)
710 MonoStringBuilder *sb;
711 static MonoClass *string_builder_class;
712 static MonoMethod *sb_ctor;
719 if (!string_builder_class) {
720 MonoMethodDesc *desc;
722 string_builder_class = mono_class_from_name (mono_defaults.corlib, "System.Text", "StringBuilder");
723 g_assert (string_builder_class);
724 desc = mono_method_desc_new (":.ctor(int)", FALSE);
725 sb_ctor = mono_method_desc_search_in_class (desc, string_builder_class);
727 mono_method_desc_free (desc);
732 sb = (MonoStringBuilder*)mono_object_new (mono_domain_get (), string_builder_class);
735 mono_runtime_invoke (sb_ctor, sb, args, &exc);
738 mono_string_utf8_to_builder (sb, text);
744 * FIXME: This routine does not seem to do what it seems to do
745 * the @text is never copied into the string builder
748 mono_string_utf16_to_builder (MonoStringBuilder *sb, gunichar2 *text)
755 g_assert (mono_string_chars (sb->str) == text);
757 for (len = 0; text [len] != 0; ++len)
764 * mono_string_builder_to_utf8:
765 * @sb: the string builder
767 * Converts to utf8 the contents of the MonoStringBuilder.
769 * Returns: a utf8 string with the contents of the StringBuilder.
771 * The return value must be released with g_free.
774 mono_string_builder_to_utf8 (MonoStringBuilder *sb)
776 GError *error = NULL;
777 gchar *tmp, *res = NULL;
782 if ((sb->str == sb->cached_str) && (sb->str->length == 0)) {
784 * The sb could have been allocated with the default capacity and be empty.
785 * we need to alloc a buffer of the default capacity in this case.
787 MONO_OBJECT_SETREF (sb, str, mono_string_new_size (mono_domain_get (), 16));
788 sb->cached_str = NULL;
791 tmp = g_utf16_to_utf8 (mono_string_chars (sb->str), sb->length, NULL, NULL, &error);
793 g_error_free (error);
794 mono_raise_exception (mono_get_exception_execution_engine ("Failed to convert StringBuilder from utf16 to utf8"));
796 res = mono_marshal_alloc (mono_stringbuilder_capacity (sb) + 1);
797 memcpy (res, tmp, sb->length + 1);
805 * mono_string_builder_to_utf16:
806 * @sb: the string builder
808 * Converts to utf16 the contents of the MonoStringBuilder.
810 * Returns: a utf16 string with the contents of the StringBuilder.
812 * The return value must not be freed.
815 mono_string_builder_to_utf16 (MonoStringBuilder *sb)
823 * The stringbuilder might not have ownership of this string. If this is
824 * the case, we must duplicate the string, so that we don't munge immutable
827 if (sb->str == sb->cached_str) {
829 * The sb could have been allocated with the default capacity and be empty.
830 * we need to alloc a buffer of the default capacity in this case.
832 if (sb->str->length == 0)
833 MONO_OBJECT_SETREF (sb, str, mono_string_new_size (mono_domain_get (), 16));
835 MONO_OBJECT_SETREF (sb, str, mono_string_new_utf16 (mono_domain_get (), mono_string_chars (sb->str), mono_stringbuilder_capacity (sb)));
836 sb->cached_str = NULL;
839 return mono_string_chars (sb->str);
843 mono_string_to_lpstr (MonoString *s)
845 #ifdef PLATFORM_WIN32
848 GError *error = NULL;
854 as = CoTaskMemAlloc (1);
859 tmp = g_utf16_to_utf8 (mono_string_chars (s), s->length, NULL, &len, &error);
861 MonoException *exc = mono_get_exception_argument ("string", error->message);
862 g_error_free (error);
863 mono_raise_exception(exc);
866 as = CoTaskMemAlloc (len + 1);
867 memcpy (as, tmp, len + 1);
872 return mono_string_to_utf8 (s);
877 mono_string_to_ansibstr (MonoString *string_obj)
879 g_error ("UnmanagedMarshal.BStr is not implemented.");
884 * mono_string_to_byvalstr:
885 * @dst: Where to store the null-terminated utf8 decoded string.
886 * @src: the MonoString to copy.
887 * @size: the maximum number of bytes to copy.
889 * Copies the MonoString pointed to by @src as a utf8 string
890 * into @dst, it copies at most @size bytes into the destination.
893 mono_string_to_byvalstr (gpointer dst, MonoString *src, int size)
898 g_assert (dst != NULL);
901 memset (dst, 0, size);
905 s = mono_string_to_utf8 (src);
906 len = MIN (size, strlen (s));
909 memcpy (dst, s, len);
914 * mono_string_to_byvalwstr:
915 * @dst: Where to store the null-terminated utf16 decoded string.
916 * @src: the MonoString to copy.
917 * @size: the maximum number of bytes to copy.
919 * Copies the MonoString pointed to by @src as a utf16 string into
920 * @dst, it copies at most @size bytes into the destination (including
921 * a terminating 16-bit zero terminator).
924 mono_string_to_byvalwstr (gpointer dst, MonoString *src, int size)
928 g_assert (dst != NULL);
932 memset (dst, 0, size * 2);
936 len = MIN (size, (mono_string_length (src)));
937 memcpy (dst, mono_string_chars (src), size * 2);
938 if (size <= mono_string_length (src))
940 *((gunichar2 *) dst + len) = 0;
944 mono_mb_emit_proxy_check (MonoMethodBuilder *mb, int branch_code)
947 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
948 mono_mb_emit_byte (mb, CEE_LDIND_I);
949 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoVTable, klass));
950 mono_mb_emit_byte (mb, CEE_ADD);
951 mono_mb_emit_byte (mb, CEE_LDIND_I);
952 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
953 mono_mb_emit_byte (mb, CEE_MONO_CLASSCONST);
954 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_defaults.transparent_proxy_class));
955 pos = mono_mb_emit_branch (mb, branch_code);
960 mono_mb_emit_xdomain_check (MonoMethodBuilder *mb, int branch_code)
963 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
964 mono_mb_emit_byte (mb, CEE_LDIND_REF);
965 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoRealProxy, target_domain_id));
966 mono_mb_emit_byte (mb, CEE_LDIND_I4);
967 mono_mb_emit_icon (mb, -1);
968 pos = mono_mb_emit_branch (mb, branch_code);
973 mono_mb_emit_contextbound_check (MonoMethodBuilder *mb, int branch_code)
975 static int offset = -1;
979 mono_marshal_find_bitfield_offset (MonoClass, contextbound, &offset, &mask);
981 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, remote_class));
982 mono_mb_emit_byte (mb, CEE_LDIND_REF);
983 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoRemoteClass, proxy_class));
984 mono_mb_emit_byte (mb, CEE_LDIND_REF);
985 mono_mb_emit_ldflda (mb, offset);
986 mono_mb_emit_byte (mb, CEE_LDIND_U1);
987 mono_mb_emit_icon (mb, mask);
988 mono_mb_emit_byte (mb, CEE_AND);
989 mono_mb_emit_icon (mb, 0);
990 return mono_mb_emit_branch (mb, branch_code);
994 mono_mb_emit_exception_marshal_directive (MonoMethodBuilder *mb, const char *msg)
996 mono_mb_emit_exception_full (mb, "System.Runtime.InteropServices", "MarshalDirectiveException", msg);
1000 mono_type_to_ldind (MonoType *type)
1006 switch (type->type) {
1008 return CEE_LDIND_I1;
1010 case MONO_TYPE_BOOLEAN:
1011 return CEE_LDIND_U1;
1013 return CEE_LDIND_I2;
1015 case MONO_TYPE_CHAR:
1016 return CEE_LDIND_U2;
1018 return CEE_LDIND_I4;
1020 return CEE_LDIND_U4;
1024 case MONO_TYPE_FNPTR:
1026 case MONO_TYPE_CLASS:
1027 case MONO_TYPE_STRING:
1028 case MONO_TYPE_OBJECT:
1029 case MONO_TYPE_SZARRAY:
1030 case MONO_TYPE_ARRAY:
1031 return CEE_LDIND_REF;
1034 return CEE_LDIND_I8;
1036 return CEE_LDIND_R4;
1038 return CEE_LDIND_R8;
1039 case MONO_TYPE_VALUETYPE:
1040 if (type->data.klass->enumtype) {
1041 type = mono_class_enum_basetype (type->data.klass);
1045 case MONO_TYPE_TYPEDBYREF:
1047 case MONO_TYPE_GENERICINST:
1048 type = &type->data.generic_class->container_class->byval_arg;
1051 g_error ("unknown type 0x%02x in type_to_ldind", type->type);
1057 mono_type_to_stind (MonoType *type)
1063 switch (type->type) {
1066 case MONO_TYPE_BOOLEAN:
1067 return CEE_STIND_I1;
1070 case MONO_TYPE_CHAR:
1071 return CEE_STIND_I2;
1074 return CEE_STIND_I4;
1078 case MONO_TYPE_FNPTR:
1080 case MONO_TYPE_CLASS:
1081 case MONO_TYPE_STRING:
1082 case MONO_TYPE_OBJECT:
1083 case MONO_TYPE_SZARRAY:
1084 case MONO_TYPE_ARRAY:
1085 return CEE_STIND_REF;
1088 return CEE_STIND_I8;
1090 return CEE_STIND_R4;
1092 return CEE_STIND_R8;
1093 case MONO_TYPE_VALUETYPE:
1094 if (type->data.klass->enumtype) {
1095 type = mono_class_enum_basetype (type->data.klass);
1099 case MONO_TYPE_TYPEDBYREF:
1101 case MONO_TYPE_GENERICINST:
1102 type = &type->data.generic_class->container_class->byval_arg;
1105 g_error ("unknown type 0x%02x in type_to_stind", type->type);
1111 emit_ptr_to_object_conv (MonoMethodBuilder *mb, MonoType *type, MonoMarshalConv conv, MonoMarshalSpec *mspec)
1114 case MONO_MARSHAL_CONV_BOOL_I4:
1115 mono_mb_emit_ldloc (mb, 1);
1116 mono_mb_emit_ldloc (mb, 0);
1117 mono_mb_emit_byte (mb, CEE_LDIND_I4);
1118 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
1119 mono_mb_emit_byte (mb, 3);
1120 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
1121 mono_mb_emit_byte (mb, CEE_BR_S);
1122 mono_mb_emit_byte (mb, 1);
1123 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
1124 mono_mb_emit_byte (mb, CEE_STIND_I1);
1126 case MONO_MARSHAL_CONV_BOOL_VARIANTBOOL:
1127 mono_mb_emit_ldloc (mb, 1);
1128 mono_mb_emit_ldloc (mb, 0);
1129 mono_mb_emit_byte (mb, CEE_LDIND_I2);
1130 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
1131 mono_mb_emit_byte (mb, 3);
1132 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
1133 mono_mb_emit_byte (mb, CEE_BR_S);
1134 mono_mb_emit_byte (mb, 1);
1135 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
1136 mono_mb_emit_byte (mb, CEE_STIND_I1);
1138 case MONO_MARSHAL_CONV_ARRAY_BYVALARRAY: {
1139 MonoClass *eklass = NULL;
1142 if (type->type == MONO_TYPE_SZARRAY) {
1143 eklass = type->data.klass;
1145 g_assert_not_reached ();
1148 esize = mono_class_native_size (eklass, NULL);
1150 /* create a new array */
1151 mono_mb_emit_ldloc (mb, 1);
1152 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1153 mono_mb_emit_op (mb, CEE_NEWARR, eklass);
1154 mono_mb_emit_byte (mb, CEE_STIND_I);
1156 if (eklass->blittable) {
1157 /* copy the elements */
1158 mono_mb_emit_ldloc (mb, 1);
1159 mono_mb_emit_byte (mb, CEE_LDIND_I);
1160 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArray, vector));
1161 mono_mb_emit_byte (mb, CEE_ADD);
1162 mono_mb_emit_ldloc (mb, 0);
1163 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem * esize);
1164 mono_mb_emit_byte (mb, CEE_PREFIX1);
1165 mono_mb_emit_byte (mb, CEE_CPBLK);
1168 int array_var, src_var, dst_var, index_var;
1169 guint32 label2, label3;
1171 array_var = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
1172 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1173 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1176 mono_mb_emit_ldloc (mb, 1);
1177 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1178 mono_mb_emit_stloc (mb, array_var);
1180 /* save the old src pointer */
1181 mono_mb_emit_ldloc (mb, 0);
1182 mono_mb_emit_stloc (mb, src_var);
1183 /* save the old dst pointer */
1184 mono_mb_emit_ldloc (mb, 1);
1185 mono_mb_emit_stloc (mb, dst_var);
1187 /* Emit marshalling loop */
1188 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1189 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
1190 mono_mb_emit_stloc (mb, index_var);
1193 label2 = mono_mb_get_label (mb);
1194 mono_mb_emit_ldloc (mb, index_var);
1195 mono_mb_emit_ldloc (mb, array_var);
1196 mono_mb_emit_byte (mb, CEE_LDLEN);
1197 label3 = mono_mb_emit_branch (mb, CEE_BGE);
1199 /* src is already set */
1202 mono_mb_emit_ldloc (mb, array_var);
1203 mono_mb_emit_ldloc (mb, index_var);
1204 mono_mb_emit_op (mb, CEE_LDELEMA, eklass);
1205 mono_mb_emit_stloc (mb, 1);
1207 /* Do the conversion */
1208 emit_struct_conv (mb, eklass, TRUE);
1211 mono_mb_emit_add_to_local (mb, index_var, 1);
1213 mono_mb_emit_branch_label (mb, CEE_BR, label2);
1215 mono_mb_patch_branch (mb, label3);
1217 /* restore the old src pointer */
1218 mono_mb_emit_ldloc (mb, src_var);
1219 mono_mb_emit_stloc (mb, 0);
1220 /* restore the old dst pointer */
1221 mono_mb_emit_ldloc (mb, dst_var);
1222 mono_mb_emit_stloc (mb, 1);
1226 case MONO_MARSHAL_CONV_ARRAY_BYVALCHARARRAY: {
1227 MonoClass *eclass = mono_defaults.char_class;
1229 /* create a new array */
1230 mono_mb_emit_ldloc (mb, 1);
1231 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1232 mono_mb_emit_op (mb, CEE_NEWARR, eclass);
1233 mono_mb_emit_byte (mb, CEE_STIND_REF);
1235 mono_mb_emit_ldloc (mb, 1);
1236 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1237 mono_mb_emit_ldloc (mb, 0);
1238 mono_mb_emit_ptr (mb, mono_defaults.byte_class);
1239 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1240 mono_mb_emit_icall (mb, mono_byvalarray_to_array);
1243 case MONO_MARSHAL_CONV_STR_BYVALSTR:
1244 mono_mb_emit_ldloc (mb, 1);
1245 mono_mb_emit_ldloc (mb, 0);
1246 mono_mb_emit_icall (mb, mono_string_new_wrapper);
1247 mono_mb_emit_byte (mb, CEE_STIND_REF);
1249 case MONO_MARSHAL_CONV_STR_BYVALWSTR:
1250 mono_mb_emit_ldloc (mb, 1);
1251 mono_mb_emit_ldloc (mb, 0);
1252 mono_mb_emit_icall (mb, mono_string_from_utf16);
1253 mono_mb_emit_byte (mb, CEE_STIND_REF);
1255 case MONO_MARSHAL_CONV_STR_LPTSTR:
1256 mono_mb_emit_ldloc (mb, 1);
1257 mono_mb_emit_ldloc (mb, 0);
1258 mono_mb_emit_byte (mb, CEE_LDIND_I);
1259 #ifdef PLATFORM_WIN32
1260 mono_mb_emit_icall (mb, mono_string_from_utf16);
1262 mono_mb_emit_icall (mb, mono_string_new_wrapper);
1264 mono_mb_emit_byte (mb, CEE_STIND_REF);
1266 case MONO_MARSHAL_CONV_STR_LPSTR:
1267 mono_mb_emit_ldloc (mb, 1);
1268 mono_mb_emit_ldloc (mb, 0);
1269 mono_mb_emit_byte (mb, CEE_LDIND_I);
1270 mono_mb_emit_icall (mb, mono_string_new_wrapper);
1271 mono_mb_emit_byte (mb, CEE_STIND_REF);
1273 case MONO_MARSHAL_CONV_STR_LPWSTR:
1274 mono_mb_emit_ldloc (mb, 1);
1275 mono_mb_emit_ldloc (mb, 0);
1276 mono_mb_emit_byte (mb, CEE_LDIND_I);
1277 mono_mb_emit_icall (mb, mono_string_from_utf16);
1278 mono_mb_emit_byte (mb, CEE_STIND_REF);
1280 case MONO_MARSHAL_CONV_OBJECT_STRUCT: {
1281 MonoClass *klass = mono_class_from_mono_type (type);
1282 int src_var, dst_var;
1284 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1285 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1287 /* *dst = new object */
1288 mono_mb_emit_ldloc (mb, 1);
1289 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1290 mono_mb_emit_op (mb, CEE_MONO_NEWOBJ, klass);
1291 mono_mb_emit_byte (mb, CEE_STIND_REF);
1293 /* save the old src pointer */
1294 mono_mb_emit_ldloc (mb, 0);
1295 mono_mb_emit_stloc (mb, src_var);
1296 /* save the old dst pointer */
1297 mono_mb_emit_ldloc (mb, 1);
1298 mono_mb_emit_stloc (mb, dst_var);
1300 /* dst = pointer to newly created object data */
1301 mono_mb_emit_ldloc (mb, 1);
1302 mono_mb_emit_byte (mb, CEE_LDIND_I);
1303 mono_mb_emit_icon (mb, sizeof (MonoObject));
1304 mono_mb_emit_byte (mb, CEE_ADD);
1305 mono_mb_emit_stloc (mb, 1);
1307 emit_struct_conv (mb, klass, TRUE);
1309 /* restore the old src pointer */
1310 mono_mb_emit_ldloc (mb, src_var);
1311 mono_mb_emit_stloc (mb, 0);
1312 /* restore the old dst pointer */
1313 mono_mb_emit_ldloc (mb, dst_var);
1314 mono_mb_emit_stloc (mb, 1);
1317 case MONO_MARSHAL_CONV_DEL_FTN: {
1318 MonoClass *klass = mono_class_from_mono_type (type);
1320 mono_mb_emit_ldloc (mb, 1);
1321 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1322 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
1323 mono_mb_emit_ldloc (mb, 0);
1324 mono_mb_emit_byte (mb, CEE_LDIND_I);
1325 mono_mb_emit_icall (mb, mono_ftnptr_to_delegate);
1326 mono_mb_emit_byte (mb, CEE_STIND_REF);
1329 case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
1330 g_error ("Structure field of type %s can't be marshalled as LPArray", mono_class_from_mono_type (type)->name);
1334 case MONO_MARSHAL_CONV_OBJECT_INTERFACE:
1335 case MONO_MARSHAL_CONV_OBJECT_IUNKNOWN:
1336 case MONO_MARSHAL_CONV_OBJECT_IDISPATCH:
1337 mono_cominterop_emit_ptr_to_object_conv (mb, type, conv, mspec);
1339 #endif /* DISABLE_COM */
1341 case MONO_MARSHAL_CONV_SAFEHANDLE: {
1343 * Passing SafeHandles as ref does not allow the unmanaged code
1344 * to change the SafeHandle value. If the value is changed,
1345 * we should issue a diagnostic exception (NotSupportedException)
1346 * that informs the user that changes to handles in unmanaged code
1349 * Since we currently have no access to the original
1350 * SafeHandle that was used during the marshalling,
1351 * for now we just ignore this, and ignore/discard any
1352 * changes that might have happened to the handle.
1357 case MONO_MARSHAL_CONV_HANDLEREF: {
1359 * Passing HandleRefs in a struct that is ref()ed does not
1360 * copy the values back to the HandleRef
1365 case MONO_MARSHAL_CONV_STR_BSTR:
1366 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
1367 case MONO_MARSHAL_CONV_STR_TBSTR:
1368 case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
1370 g_warning ("marshaling conversion %d not implemented", conv);
1371 g_assert_not_reached ();
1376 conv_to_icall (MonoMarshalConv conv)
1379 case MONO_MARSHAL_CONV_STR_LPWSTR:
1380 return mono_marshal_string_to_utf16;
1381 case MONO_MARSHAL_CONV_LPWSTR_STR:
1382 return mono_string_from_utf16;
1383 case MONO_MARSHAL_CONV_LPSTR_STR:
1384 return mono_string_new_wrapper;
1385 case MONO_MARSHAL_CONV_STR_LPTSTR:
1386 #ifdef PLATFORM_WIN32
1387 return mono_marshal_string_to_utf16;
1389 return mono_string_to_lpstr;
1391 case MONO_MARSHAL_CONV_STR_LPSTR:
1392 return mono_string_to_lpstr;
1393 case MONO_MARSHAL_CONV_STR_BSTR:
1394 return mono_string_to_bstr;
1395 case MONO_MARSHAL_CONV_BSTR_STR:
1396 return mono_string_from_bstr;
1397 case MONO_MARSHAL_CONV_STR_TBSTR:
1398 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
1399 return mono_string_to_ansibstr;
1400 case MONO_MARSHAL_CONV_SB_LPSTR:
1401 return mono_string_builder_to_utf8;
1402 case MONO_MARSHAL_CONV_SB_LPTSTR:
1403 #ifdef PLATFORM_WIN32
1404 return mono_string_builder_to_utf16;
1406 return mono_string_builder_to_utf8;
1408 case MONO_MARSHAL_CONV_SB_LPWSTR:
1409 return mono_string_builder_to_utf16;
1410 case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
1411 return mono_array_to_savearray;
1412 case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
1413 return mono_array_to_lparray;
1414 case MONO_MARSHAL_FREE_LPARRAY:
1415 return mono_free_lparray;
1416 case MONO_MARSHAL_CONV_DEL_FTN:
1417 return mono_delegate_to_ftnptr;
1418 case MONO_MARSHAL_CONV_FTN_DEL:
1419 return mono_ftnptr_to_delegate;
1420 case MONO_MARSHAL_CONV_LPSTR_SB:
1421 return mono_string_utf8_to_builder;
1422 case MONO_MARSHAL_CONV_LPTSTR_SB:
1423 #ifdef PLATFORM_WIN32
1424 return mono_string_utf16_to_builder;
1426 return mono_string_utf8_to_builder;
1428 case MONO_MARSHAL_CONV_LPWSTR_SB:
1429 return mono_string_utf16_to_builder;
1430 case MONO_MARSHAL_FREE_ARRAY:
1431 return mono_marshal_free_array;
1432 case MONO_MARSHAL_CONV_STR_BYVALSTR:
1433 return mono_string_to_byvalstr;
1434 case MONO_MARSHAL_CONV_STR_BYVALWSTR:
1435 return mono_string_to_byvalwstr;
1437 g_assert_not_reached ();
1444 emit_object_to_ptr_conv (MonoMethodBuilder *mb, MonoType *type, MonoMarshalConv conv, MonoMarshalSpec *mspec)
1449 case MONO_MARSHAL_CONV_BOOL_I4:
1450 mono_mb_emit_ldloc (mb, 1);
1451 mono_mb_emit_ldloc (mb, 0);
1452 mono_mb_emit_byte (mb, CEE_LDIND_U1);
1453 mono_mb_emit_byte (mb, CEE_STIND_I4);
1455 case MONO_MARSHAL_CONV_BOOL_VARIANTBOOL:
1456 mono_mb_emit_ldloc (mb, 1);
1457 mono_mb_emit_ldloc (mb, 0);
1458 mono_mb_emit_byte (mb, CEE_LDIND_U1);
1459 mono_mb_emit_byte (mb, CEE_NEG);
1460 mono_mb_emit_byte (mb, CEE_STIND_I2);
1462 case MONO_MARSHAL_CONV_STR_LPWSTR:
1463 case MONO_MARSHAL_CONV_STR_LPSTR:
1464 case MONO_MARSHAL_CONV_STR_LPTSTR:
1465 case MONO_MARSHAL_CONV_STR_BSTR:
1466 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
1467 case MONO_MARSHAL_CONV_STR_TBSTR: {
1470 /* free space if free == true */
1471 mono_mb_emit_ldloc (mb, 2);
1472 pos = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
1473 mono_mb_emit_ldloc (mb, 1);
1474 mono_mb_emit_byte (mb, CEE_LDIND_I);
1475 mono_mb_emit_icall (mb, g_free);
1476 mono_mb_patch_short_branch (mb, pos);
1478 mono_mb_emit_ldloc (mb, 1);
1479 mono_mb_emit_ldloc (mb, 0);
1480 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1481 mono_mb_emit_icall (mb, conv_to_icall (conv));
1482 mono_mb_emit_byte (mb, CEE_STIND_I);
1485 case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
1486 case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
1487 case MONO_MARSHAL_CONV_DEL_FTN:
1488 mono_mb_emit_ldloc (mb, 1);
1489 mono_mb_emit_ldloc (mb, 0);
1490 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1491 mono_mb_emit_icall (mb, conv_to_icall (conv));
1492 mono_mb_emit_byte (mb, CEE_STIND_I);
1494 case MONO_MARSHAL_CONV_STR_BYVALSTR:
1495 case MONO_MARSHAL_CONV_STR_BYVALWSTR: {
1498 mono_mb_emit_ldloc (mb, 1); /* dst */
1499 mono_mb_emit_ldloc (mb, 0);
1500 mono_mb_emit_byte (mb, CEE_LDIND_REF); /* src String */
1501 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1502 mono_mb_emit_icall (mb, conv_to_icall (conv));
1505 case MONO_MARSHAL_CONV_ARRAY_BYVALARRAY: {
1506 MonoClass *eklass = NULL;
1509 if (type->type == MONO_TYPE_SZARRAY) {
1510 eklass = type->data.klass;
1512 g_assert_not_reached ();
1515 if (eklass->valuetype)
1516 esize = mono_class_native_size (eklass, NULL);
1518 esize = sizeof (gpointer);
1520 mono_mb_emit_ldloc (mb, 0);
1521 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1522 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
1524 if (eklass->blittable) {
1525 mono_mb_emit_ldloc (mb, 1);
1526 mono_mb_emit_ldloc (mb, 0);
1527 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1528 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoArray, vector));
1529 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem * esize);
1530 mono_mb_emit_byte (mb, CEE_PREFIX1);
1531 mono_mb_emit_byte (mb, CEE_CPBLK);
1533 int array_var, src_var, dst_var, index_var;
1534 guint32 label2, label3;
1536 array_var = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
1537 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1538 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1541 mono_mb_emit_ldloc (mb, 0);
1542 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1543 mono_mb_emit_stloc (mb, array_var);
1545 /* save the old src pointer */
1546 mono_mb_emit_ldloc (mb, 0);
1547 mono_mb_emit_stloc (mb, src_var);
1548 /* save the old dst pointer */
1549 mono_mb_emit_ldloc (mb, 1);
1550 mono_mb_emit_stloc (mb, dst_var);
1552 /* Emit marshalling loop */
1553 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1554 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
1555 mono_mb_emit_stloc (mb, index_var);
1558 label2 = mono_mb_get_label (mb);
1559 mono_mb_emit_ldloc (mb, index_var);
1560 mono_mb_emit_ldloc (mb, array_var);
1561 mono_mb_emit_byte (mb, CEE_LDLEN);
1562 label3 = mono_mb_emit_branch (mb, CEE_BGE);
1565 mono_mb_emit_ldloc (mb, array_var);
1566 mono_mb_emit_ldloc (mb, index_var);
1567 mono_mb_emit_op (mb, CEE_LDELEMA, eklass);
1568 mono_mb_emit_stloc (mb, 0);
1570 /* dst is already set */
1572 /* Do the conversion */
1573 emit_struct_conv (mb, eklass, FALSE);
1576 mono_mb_emit_add_to_local (mb, index_var, 1);
1578 mono_mb_emit_branch_label (mb, CEE_BR, label2);
1580 mono_mb_patch_branch (mb, label3);
1582 /* restore the old src pointer */
1583 mono_mb_emit_ldloc (mb, src_var);
1584 mono_mb_emit_stloc (mb, 0);
1585 /* restore the old dst pointer */
1586 mono_mb_emit_ldloc (mb, dst_var);
1587 mono_mb_emit_stloc (mb, 1);
1590 mono_mb_patch_branch (mb, pos);
1593 case MONO_MARSHAL_CONV_ARRAY_BYVALCHARARRAY: {
1594 mono_mb_emit_ldloc (mb, 0);
1595 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1596 pos = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
1598 mono_mb_emit_ldloc (mb, 1);
1599 mono_mb_emit_ldloc (mb, 0);
1600 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1601 mono_mb_emit_ptr (mb, mono_defaults.byte_class);
1602 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1603 mono_mb_emit_icall (mb, mono_array_to_byvalarray);
1604 mono_mb_patch_short_branch (mb, pos);
1607 case MONO_MARSHAL_CONV_OBJECT_STRUCT: {
1608 int src_var, dst_var;
1610 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1611 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1613 mono_mb_emit_ldloc (mb, 0);
1614 mono_mb_emit_byte (mb, CEE_LDIND_I);
1615 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
1617 /* save the old src pointer */
1618 mono_mb_emit_ldloc (mb, 0);
1619 mono_mb_emit_stloc (mb, src_var);
1620 /* save the old dst pointer */
1621 mono_mb_emit_ldloc (mb, 1);
1622 mono_mb_emit_stloc (mb, dst_var);
1624 /* src = pointer to object data */
1625 mono_mb_emit_ldloc (mb, 0);
1626 mono_mb_emit_byte (mb, CEE_LDIND_I);
1627 mono_mb_emit_icon (mb, sizeof (MonoObject));
1628 mono_mb_emit_byte (mb, CEE_ADD);
1629 mono_mb_emit_stloc (mb, 0);
1631 emit_struct_conv (mb, mono_class_from_mono_type (type), FALSE);
1633 /* restore the old src pointer */
1634 mono_mb_emit_ldloc (mb, src_var);
1635 mono_mb_emit_stloc (mb, 0);
1636 /* restore the old dst pointer */
1637 mono_mb_emit_ldloc (mb, dst_var);
1638 mono_mb_emit_stloc (mb, 1);
1640 mono_mb_patch_branch (mb, pos);
1645 case MONO_MARSHAL_CONV_OBJECT_INTERFACE:
1646 case MONO_MARSHAL_CONV_OBJECT_IDISPATCH:
1647 case MONO_MARSHAL_CONV_OBJECT_IUNKNOWN:
1648 mono_cominterop_emit_object_to_ptr_conv (mb, type, conv, mspec);
1650 #endif /* DISABLE_COM */
1652 case MONO_MARSHAL_CONV_SAFEHANDLE: {
1653 int dar_release_slot, pos;
1655 dar_release_slot = mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
1658 * The following is ifdefed-out, because I have no way of doing the
1659 * DangerousRelease when destroying the structure
1662 /* set release = false */
1663 mono_mb_emit_icon (mb, 0);
1664 mono_mb_emit_stloc (mb, dar_release_slot);
1665 if (!sh_dangerous_add_ref)
1666 init_safe_handle ();
1668 /* safehandle.DangerousAddRef (ref release) */
1669 mono_mb_emit_ldloc (mb, 0); /* the source */
1670 mono_mb_emit_byte (mb, CEE_LDIND_I);
1671 mono_mb_emit_ldloc_addr (mb, dar_release_slot);
1672 mono_mb_emit_managed_call (mb, sh_dangerous_add_ref, NULL);
1674 mono_mb_emit_ldloc (mb, 0);
1675 mono_mb_emit_byte (mb, CEE_LDIND_I);
1676 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
1677 mono_mb_emit_exception (mb, "ArgumentNullException", NULL);
1678 mono_mb_patch_branch (mb, pos);
1680 /* Pull the handle field from SafeHandle */
1681 mono_mb_emit_ldloc (mb, 1);
1682 mono_mb_emit_ldloc (mb, 0);
1683 mono_mb_emit_byte (mb, CEE_LDIND_I);
1684 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoSafeHandle, handle));
1685 mono_mb_emit_byte (mb, CEE_LDIND_I);
1686 mono_mb_emit_byte (mb, CEE_STIND_I);
1690 case MONO_MARSHAL_CONV_HANDLEREF: {
1691 mono_mb_emit_ldloc (mb, 1);
1692 mono_mb_emit_ldloc (mb, 0);
1693 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoHandleRef, handle));
1694 mono_mb_emit_byte (mb, CEE_ADD);
1695 mono_mb_emit_byte (mb, CEE_LDIND_I);
1696 mono_mb_emit_byte (mb, CEE_STIND_I);
1701 char *msg = g_strdup_printf ("marshalling conversion %d not implemented", conv);
1702 MonoException *exc = mono_get_exception_not_implemented (msg);
1703 g_warning ("%s", msg);
1705 mono_raise_exception (exc);
1711 emit_struct_conv (MonoMethodBuilder *mb, MonoClass *klass, gboolean to_object)
1713 MonoMarshalType *info;
1717 emit_struct_conv(mb, klass->parent, to_object);
1719 info = mono_marshal_load_type_info (klass);
1721 if (info->native_size == 0)
1724 if (klass->blittable) {
1725 int msize = mono_class_value_size (klass, NULL);
1726 g_assert (msize == info->native_size);
1727 mono_mb_emit_ldloc (mb, 1);
1728 mono_mb_emit_ldloc (mb, 0);
1729 mono_mb_emit_icon (mb, msize);
1730 mono_mb_emit_byte (mb, CEE_PREFIX1);
1731 mono_mb_emit_byte (mb, CEE_CPBLK);
1733 mono_mb_emit_add_to_local (mb, 0, msize);
1734 mono_mb_emit_add_to_local (mb, 1, msize);
1738 for (i = 0; i < info->num_fields; i++) {
1739 MonoMarshalNative ntype;
1740 MonoMarshalConv conv;
1741 MonoType *ftype = info->fields [i].field->type;
1744 gboolean last_field = i < (info->num_fields -1) ? 0 : 1;
1746 if (ftype->attrs & FIELD_ATTRIBUTE_STATIC)
1749 ntype = mono_type_to_unmanaged (ftype, info->fields [i].mspec, TRUE, klass->unicode, &conv);
1752 msize = klass->instance_size - info->fields [i].field->offset;
1753 usize = info->native_size - info->fields [i].offset;
1755 msize = info->fields [i + 1].field->offset - info->fields [i].field->offset;
1756 usize = info->fields [i + 1].offset - info->fields [i].offset;
1759 if (klass != mono_defaults.safehandle_class){
1761 * FIXME: Should really check for usize==0 and msize>0, but we apply
1762 * the layout to the managed structure as well.
1765 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) && (usize == 0)) {
1766 if (MONO_TYPE_IS_REFERENCE (info->fields [i].field->type) ||
1767 ((!last_field && MONO_TYPE_IS_REFERENCE (info->fields [i + 1].field->type))))
1768 g_error ("Type %s which has an [ExplicitLayout] attribute cannot have a "
1769 "reference field at the same offset as another field.",
1770 mono_type_full_name (&klass->byval_arg));
1773 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT)
1774 g_error ("Type %s which is passed to unmanaged code must have a StructLayout attribute",
1775 mono_type_full_name (&klass->byval_arg));
1780 case MONO_MARSHAL_CONV_NONE: {
1783 if (ftype->byref || ftype->type == MONO_TYPE_I ||
1784 ftype->type == MONO_TYPE_U) {
1785 mono_mb_emit_ldloc (mb, 1);
1786 mono_mb_emit_ldloc (mb, 0);
1787 mono_mb_emit_byte (mb, CEE_LDIND_I);
1788 mono_mb_emit_byte (mb, CEE_STIND_I);
1799 case MONO_TYPE_BOOLEAN:
1802 case MONO_TYPE_CHAR:
1808 mono_mb_emit_ldloc (mb, 1);
1809 mono_mb_emit_ldloc (mb, 0);
1810 mono_mb_emit_byte (mb, mono_type_to_ldind (ftype));
1811 mono_mb_emit_byte (mb, mono_type_to_stind (ftype));
1813 case MONO_TYPE_VALUETYPE: {
1814 int src_var, dst_var;
1816 if (ftype->data.klass->enumtype) {
1817 ftype = mono_class_enum_basetype (ftype->data.klass);
1821 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1822 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1824 /* save the old src pointer */
1825 mono_mb_emit_ldloc (mb, 0);
1826 mono_mb_emit_stloc (mb, src_var);
1827 /* save the old dst pointer */
1828 mono_mb_emit_ldloc (mb, 1);
1829 mono_mb_emit_stloc (mb, dst_var);
1831 emit_struct_conv (mb, ftype->data.klass, to_object);
1833 /* restore the old src pointer */
1834 mono_mb_emit_ldloc (mb, src_var);
1835 mono_mb_emit_stloc (mb, 0);
1836 /* restore the old dst pointer */
1837 mono_mb_emit_ldloc (mb, dst_var);
1838 mono_mb_emit_stloc (mb, 1);
1841 case MONO_TYPE_OBJECT: {
1842 mono_init_com_types ();
1844 static MonoMethod *variant_clear = NULL;
1845 static MonoMethod *get_object_for_native_variant = NULL;
1848 variant_clear = mono_class_get_method_from_name (mono_defaults.variant_class, "Clear", 0);
1849 if (!get_object_for_native_variant)
1850 get_object_for_native_variant = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetObjectForNativeVariant", 1);
1851 mono_mb_emit_ldloc (mb, 1);
1852 mono_mb_emit_ldloc (mb, 0);
1853 mono_mb_emit_managed_call (mb, get_object_for_native_variant, NULL);
1854 mono_mb_emit_byte (mb, CEE_STIND_REF);
1856 mono_mb_emit_ldloc (mb, 0);
1857 mono_mb_emit_managed_call (mb, variant_clear, NULL);
1860 static MonoMethod *get_native_variant_for_object = NULL;
1862 if (!get_native_variant_for_object)
1863 get_native_variant_for_object = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetNativeVariantForObject", 2);
1865 mono_mb_emit_ldloc (mb, 0);
1866 mono_mb_emit_byte(mb, CEE_LDIND_REF);
1867 mono_mb_emit_ldloc (mb, 1);
1868 mono_mb_emit_managed_call (mb, get_native_variant_for_object, NULL);
1874 g_warning ("marshaling type %02x not implemented", ftype->type);
1875 g_assert_not_reached ();
1880 int src_var, dst_var;
1882 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1883 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1885 /* save the old src pointer */
1886 mono_mb_emit_ldloc (mb, 0);
1887 mono_mb_emit_stloc (mb, src_var);
1888 /* save the old dst pointer */
1889 mono_mb_emit_ldloc (mb, 1);
1890 mono_mb_emit_stloc (mb, dst_var);
1893 emit_ptr_to_object_conv (mb, ftype, conv, info->fields [i].mspec);
1895 emit_object_to_ptr_conv (mb, ftype, conv, info->fields [i].mspec);
1897 /* restore the old src pointer */
1898 mono_mb_emit_ldloc (mb, src_var);
1899 mono_mb_emit_stloc (mb, 0);
1900 /* restore the old dst pointer */
1901 mono_mb_emit_ldloc (mb, dst_var);
1902 mono_mb_emit_stloc (mb, 1);
1907 mono_mb_emit_add_to_local (mb, 0, usize);
1908 mono_mb_emit_add_to_local (mb, 1, msize);
1910 mono_mb_emit_add_to_local (mb, 0, msize);
1911 mono_mb_emit_add_to_local (mb, 1, usize);
1917 emit_struct_free (MonoMethodBuilder *mb, MonoClass *klass, int struct_var)
1919 /* Call DestroyStructure */
1920 /* FIXME: Only do this if needed */
1921 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1922 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
1923 mono_mb_emit_ldloc (mb, struct_var);
1924 mono_mb_emit_icall (mb, mono_struct_delete_old);
1928 emit_thread_interrupt_checkpoint_call (MonoMethodBuilder *mb, gpointer checkpoint_func)
1932 mono_mb_emit_ptr (mb, (gpointer) mono_thread_interruption_request_flag ());
1933 mono_mb_emit_byte (mb, CEE_LDIND_U4);
1934 pos_noabort = mono_mb_emit_branch (mb, CEE_BRFALSE);
1936 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1937 mono_mb_emit_byte (mb, CEE_MONO_NOT_TAKEN);
1939 mono_mb_emit_icall (mb, checkpoint_func);
1941 mono_mb_patch_branch (mb, pos_noabort);
1945 emit_thread_interrupt_checkpoint (MonoMethodBuilder *mb)
1947 if (strstr (mb->name, "mono_thread_interruption_checkpoint"))
1950 emit_thread_interrupt_checkpoint_call (mb, mono_thread_interruption_checkpoint);
1954 emit_thread_force_interrupt_checkpoint (MonoMethodBuilder *mb)
1956 emit_thread_interrupt_checkpoint_call (mb, mono_thread_force_interruption_checkpoint);
1960 mono_marshal_emit_thread_interrupt_checkpoint (MonoMethodBuilder *mb)
1962 emit_thread_interrupt_checkpoint (mb);
1965 static MonoAsyncResult *
1966 mono_delegate_begin_invoke (MonoDelegate *delegate, gpointer *params)
1968 MonoMethodMessage *msg;
1969 MonoDelegate *async_callback;
1973 MonoMethod *method = NULL, *method2 = NULL;
1975 g_assert (delegate);
1977 if (delegate->target && mono_object_class (delegate->target) == mono_defaults.transparent_proxy_class) {
1979 MonoTransparentProxy* tp = (MonoTransparentProxy *)delegate->target;
1980 if (!tp->remote_class->proxy_class->contextbound || tp->rp->context != (MonoObject *) mono_context_get ()) {
1982 /* If the target is a proxy, make a direct call. Is proxy's work
1983 // to make the call asynchronous.
1985 MonoAsyncResult *ares;
1987 MonoArray *out_args;
1989 method = delegate->method;
1991 msg = mono_method_call_message_new (mono_marshal_method_from_wrapper (method), params, NULL, &async_callback, &state);
1992 handle = CreateEvent (NULL, TRUE, FALSE, NULL);
1993 g_assert(handle != NULL);
1994 ares = mono_async_result_new (mono_domain_get (), handle, state, handle, NULL);
1995 MONO_OBJECT_SETREF (ares, async_delegate, (MonoObject *)delegate);
1996 MONO_OBJECT_SETREF (ares, async_callback, (MonoObject *)async_callback);
1997 MONO_OBJECT_SETREF (msg, async_result, ares);
1998 msg->call_type = CallType_BeginInvoke;
2000 mono_remoting_invoke ((MonoObject *)tp->rp, msg, &exc, &out_args);
2005 klass = delegate->object.vtable->klass;
2007 method = mono_get_delegate_invoke (klass);
2008 method2 = mono_class_get_method_from_name (klass, "BeginInvoke", -1);
2011 g_assert (method != NULL);
2013 im = mono_get_delegate_invoke (method->klass);
2014 msg = mono_method_call_message_new (method, params, im, &async_callback, &state);
2016 return mono_thread_pool_add ((MonoObject *)delegate, msg, async_callback, state);
2020 mono_mb_emit_save_args (MonoMethodBuilder *mb, MonoMethodSignature *sig, gboolean save_this)
2022 int i, params_var, tmp_var;
2024 /* allocate local (pointer) *params[] */
2025 params_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2026 /* allocate local (pointer) tmp */
2027 tmp_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2029 /* alloate space on stack to store an array of pointers to the arguments */
2030 mono_mb_emit_icon (mb, sizeof (gpointer) * (sig->param_count + 1));
2031 mono_mb_emit_byte (mb, CEE_PREFIX1);
2032 mono_mb_emit_byte (mb, CEE_LOCALLOC);
2033 mono_mb_emit_stloc (mb, params_var);
2036 mono_mb_emit_ldloc (mb, params_var);
2037 mono_mb_emit_stloc (mb, tmp_var);
2039 if (save_this && sig->hasthis) {
2040 mono_mb_emit_ldloc (mb, tmp_var);
2041 mono_mb_emit_ldarg_addr (mb, 0);
2042 mono_mb_emit_byte (mb, CEE_STIND_I);
2043 /* tmp = tmp + sizeof (gpointer) */
2044 if (sig->param_count)
2045 mono_mb_emit_add_to_local (mb, tmp_var, sizeof (gpointer));
2049 for (i = 0; i < sig->param_count; i++) {
2050 mono_mb_emit_ldloc (mb, tmp_var);
2051 mono_mb_emit_ldarg_addr (mb, i + sig->hasthis);
2052 mono_mb_emit_byte (mb, CEE_STIND_I);
2053 /* tmp = tmp + sizeof (gpointer) */
2054 if (i < (sig->param_count - 1))
2055 mono_mb_emit_add_to_local (mb, tmp_var, sizeof (gpointer));
2062 mono_signature_to_name (MonoMethodSignature *sig, const char *prefix)
2066 GString *res = g_string_new ("");
2069 g_string_append (res, prefix);
2070 g_string_append_c (res, '_');
2073 mono_type_get_desc (res, sig->ret, FALSE);
2076 g_string_append (res, "__this__");
2078 for (i = 0; i < sig->param_count; ++i) {
2079 g_string_append_c (res, '_');
2080 mono_type_get_desc (res, sig->params [i], FALSE);
2083 g_string_free (res, FALSE);
2088 * mono_marshal_get_string_encoding:
2090 * Return the string encoding which should be used for a given parameter.
2092 static MonoMarshalNative
2093 mono_marshal_get_string_encoding (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
2095 /* First try the parameter marshal info */
2097 if (spec->native == MONO_NATIVE_LPARRAY) {
2098 if ((spec->data.array_data.elem_type != 0) && (spec->data.array_data.elem_type != MONO_NATIVE_MAX))
2099 return spec->data.array_data.elem_type;
2102 return spec->native;
2106 return MONO_NATIVE_LPSTR;
2108 /* Then try the method level marshal info */
2109 switch (piinfo->piflags & PINVOKE_ATTRIBUTE_CHAR_SET_MASK) {
2110 case PINVOKE_ATTRIBUTE_CHAR_SET_ANSI:
2111 return MONO_NATIVE_LPSTR;
2112 case PINVOKE_ATTRIBUTE_CHAR_SET_UNICODE:
2113 return MONO_NATIVE_LPWSTR;
2114 case PINVOKE_ATTRIBUTE_CHAR_SET_AUTO:
2115 #ifdef PLATFORM_WIN32
2116 return MONO_NATIVE_LPWSTR;
2118 return MONO_NATIVE_LPSTR;
2121 return MONO_NATIVE_LPSTR;
2125 static MonoMarshalConv
2126 mono_marshal_get_string_to_ptr_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
2128 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
2131 case MONO_NATIVE_LPWSTR:
2132 return MONO_MARSHAL_CONV_STR_LPWSTR;
2133 case MONO_NATIVE_LPSTR:
2134 return MONO_MARSHAL_CONV_STR_LPSTR;
2135 case MONO_NATIVE_LPTSTR:
2136 return MONO_MARSHAL_CONV_STR_LPTSTR;
2137 case MONO_NATIVE_BSTR:
2138 return MONO_MARSHAL_CONV_STR_BSTR;
2144 static MonoMarshalConv
2145 mono_marshal_get_stringbuilder_to_ptr_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
2147 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
2150 case MONO_NATIVE_LPWSTR:
2151 return MONO_MARSHAL_CONV_SB_LPWSTR;
2153 case MONO_NATIVE_LPSTR:
2154 return MONO_MARSHAL_CONV_SB_LPSTR;
2156 case MONO_NATIVE_LPTSTR:
2157 return MONO_MARSHAL_CONV_SB_LPTSTR;
2164 static MonoMarshalConv
2165 mono_marshal_get_ptr_to_string_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec, gboolean *need_free)
2167 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
2172 case MONO_NATIVE_LPWSTR:
2174 return MONO_MARSHAL_CONV_LPWSTR_STR;
2175 case MONO_NATIVE_LPSTR:
2176 return MONO_MARSHAL_CONV_LPSTR_STR;
2177 case MONO_NATIVE_LPTSTR:
2178 return MONO_MARSHAL_CONV_LPTSTR_STR;
2179 case MONO_NATIVE_BSTR:
2180 return MONO_MARSHAL_CONV_BSTR_STR;
2186 static MonoMarshalConv
2187 mono_marshal_get_ptr_to_stringbuilder_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec, gboolean *need_free)
2189 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
2194 case MONO_NATIVE_LPWSTR:
2196 * mono_string_builder_to_utf16 does not allocate a
2197 * new buffer, so no need to free it.
2200 return MONO_MARSHAL_CONV_LPWSTR_SB;
2201 case MONO_NATIVE_LPSTR:
2202 return MONO_MARSHAL_CONV_LPSTR_SB;
2204 case MONO_NATIVE_LPTSTR:
2205 return MONO_MARSHAL_CONV_LPTSTR_SB;
2213 * Return whenever a field of a native structure or an array member needs to
2217 mono_marshal_need_free (MonoType *t, MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
2219 MonoMarshalNative encoding;
2220 MonoMarshalConv conv;
2223 case MONO_TYPE_VALUETYPE:
2224 /* FIXME: Optimize this */
2226 case MONO_TYPE_OBJECT:
2227 case MONO_TYPE_CLASS:
2228 if (t->data.klass == mono_defaults.stringbuilder_class) {
2230 conv = mono_marshal_get_ptr_to_stringbuilder_conv (piinfo, spec, &need_free);
2234 case MONO_TYPE_STRING:
2235 encoding = mono_marshal_get_string_encoding (piinfo, spec);
2236 return (encoding == MONO_NATIVE_LPWSTR) ? FALSE : TRUE;
2243 * Return the hash table pointed to by VAR, lazily creating it if neccesary.
2246 get_cache (GHashTable **var, GHashFunc hash_func, GCompareFunc equal_func)
2249 mono_marshal_lock ();
2252 g_hash_table_new (hash_func, equal_func);
2253 mono_memory_barrier ();
2256 mono_marshal_unlock ();
2262 mono_marshal_get_cache (GHashTable **var, GHashFunc hash_func, GCompareFunc equal_func)
2264 return get_cache (var, hash_func, equal_func);
2268 mono_marshal_find_in_cache (GHashTable *cache, gpointer key)
2272 mono_marshal_lock ();
2273 res = g_hash_table_lookup (cache, key);
2274 mono_marshal_unlock ();
2279 mono_marshal_method_set_wrapper_data (MonoMethod *method, gpointer data)
2283 if (method->wrapper_type == MONO_WRAPPER_NONE || method->wrapper_type == MONO_WRAPPER_DYNAMIC_METHOD)
2286 datav = ((MonoMethodWrapper *)method)->method_data;
2290 /* Create the method from the builder and place it in the cache */
2292 mono_mb_create_and_cache (GHashTable *cache, gpointer key,
2293 MonoMethodBuilder *mb, MonoMethodSignature *sig,
2298 mono_marshal_lock ();
2299 res = g_hash_table_lookup (cache, key);
2300 mono_marshal_unlock ();
2303 newm = mono_mb_create_method (mb, sig, max_stack);
2304 mono_marshal_lock ();
2305 res = g_hash_table_lookup (cache, key);
2308 g_hash_table_insert (cache, key, res);
2309 mono_marshal_method_set_wrapper_data (res, key);
2310 mono_marshal_unlock ();
2312 mono_marshal_unlock ();
2313 mono_free_method (newm);
2321 static inline MonoMethod*
2322 mono_marshal_remoting_find_in_cache (MonoMethod *method, int wrapper_type)
2324 MonoMethod *res = NULL;
2325 MonoRemotingMethods *wrps;
2327 mono_marshal_lock ();
2328 if (method->klass->image->remoting_invoke_cache)
2329 wrps = g_hash_table_lookup (method->klass->image->remoting_invoke_cache, method);
2334 switch (wrapper_type) {
2335 case MONO_WRAPPER_REMOTING_INVOKE: res = wrps->invoke; break;
2336 case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK: res = wrps->invoke_with_check; break;
2337 case MONO_WRAPPER_XDOMAIN_INVOKE: res = wrps->xdomain_invoke; break;
2338 case MONO_WRAPPER_XDOMAIN_DISPATCH: res = wrps->xdomain_dispatch; break;
2342 /* it is important to do the unlock after the load from wrps, since in
2343 * mono_remoting_mb_create_and_cache () we drop the marshal lock to be able
2344 * to take the loader lock and some other thread may set the fields.
2346 mono_marshal_unlock ();
2350 /* Create the method from the builder and place it in the cache */
2351 static inline MonoMethod*
2352 mono_remoting_mb_create_and_cache (MonoMethod *key, MonoMethodBuilder *mb,
2353 MonoMethodSignature *sig, int max_stack)
2355 MonoMethod **res = NULL;
2356 MonoRemotingMethods *wrps;
2357 GHashTable *cache = get_cache (&key->klass->image->remoting_invoke_cache, mono_aligned_addr_hash, NULL);
2359 mono_marshal_lock ();
2360 wrps = g_hash_table_lookup (cache, key);
2362 wrps = g_new0 (MonoRemotingMethods, 1);
2363 g_hash_table_insert (cache, key, wrps);
2366 switch (mb->method->wrapper_type) {
2367 case MONO_WRAPPER_REMOTING_INVOKE: res = &wrps->invoke; break;
2368 case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK: res = &wrps->invoke_with_check; break;
2369 case MONO_WRAPPER_XDOMAIN_INVOKE: res = &wrps->xdomain_invoke; break;
2370 case MONO_WRAPPER_XDOMAIN_DISPATCH: res = &wrps->xdomain_dispatch; break;
2371 default: g_assert_not_reached (); break;
2373 mono_marshal_unlock ();
2377 newm = mono_mb_create_method (mb, sig, max_stack);
2379 mono_marshal_lock ();
2382 mono_marshal_method_set_wrapper_data (*res, key);
2383 mono_marshal_unlock ();
2385 mono_marshal_unlock ();
2386 mono_free_method (newm);
2394 mono_marshal_method_from_wrapper (MonoMethod *wrapper)
2398 if (wrapper->wrapper_type == MONO_WRAPPER_NONE || wrapper->wrapper_type == MONO_WRAPPER_DYNAMIC_METHOD)
2401 res = mono_method_get_wrapper_data (wrapper, 1);
2408 mono_marshal_get_delegate_begin_invoke (MonoMethod *method)
2410 MonoMethodSignature *sig;
2411 MonoMethodBuilder *mb;
2417 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
2418 !strcmp (method->name, "BeginInvoke"));
2420 sig = mono_signature_no_pinvoke (method);
2422 cache = get_cache (&method->klass->image->delegate_begin_invoke_cache,
2423 (GHashFunc)mono_signature_hash,
2424 (GCompareFunc)mono_metadata_signature_equal);
2425 if ((res = mono_marshal_find_in_cache (cache, sig)))
2428 g_assert (sig->hasthis);
2430 name = mono_signature_to_name (sig, "begin_invoke");
2431 mb = mono_mb_new (method->klass, name, MONO_WRAPPER_DELEGATE_BEGIN_INVOKE);
2434 params_var = mono_mb_emit_save_args (mb, sig, FALSE);
2436 mono_mb_emit_ldarg (mb, 0);
2437 mono_mb_emit_ldloc (mb, params_var);
2438 mono_mb_emit_icall (mb, mono_delegate_begin_invoke);
2439 mono_mb_emit_byte (mb, CEE_RET);
2441 res = mono_mb_create_and_cache (cache, sig, mb, sig, sig->param_count + 16);
2447 mono_delegate_end_invoke (MonoDelegate *delegate, gpointer *params)
2449 MonoDomain *domain = mono_domain_get ();
2450 MonoAsyncResult *ares;
2451 MonoMethod *method = NULL;
2452 MonoMethodSignature *sig;
2453 MonoMethodMessage *msg;
2454 MonoObject *res, *exc;
2455 MonoArray *out_args;
2458 g_assert (delegate);
2460 if (!delegate->method_info) {
2461 g_assert (delegate->method);
2462 MONO_OBJECT_SETREF (delegate, method_info, mono_method_get_object (domain, delegate->method, NULL));
2465 if (!delegate->method_info || !delegate->method_info->method)
2466 g_assert_not_reached ();
2468 klass = delegate->object.vtable->klass;
2470 method = mono_class_get_method_from_name (klass, "EndInvoke", -1);
2471 g_assert (method != NULL);
2473 sig = mono_signature_no_pinvoke (method);
2475 msg = mono_method_call_message_new (method, params, NULL, NULL, NULL);
2477 ares = mono_array_get (msg->args, gpointer, sig->param_count - 1);
2479 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."));
2481 if (ares->async_delegate != (MonoObject*)delegate && mono_framework_version () >= 2) {
2482 mono_raise_exception (mono_get_exception_invalid_operation (
2483 "The IAsyncResult object provided does not match this delegate."));
2487 if (delegate->target && mono_object_class (delegate->target) == mono_defaults.transparent_proxy_class) {
2488 MonoTransparentProxy* tp = (MonoTransparentProxy *)delegate->target;
2489 msg = (MonoMethodMessage *)mono_object_new (domain, mono_defaults.mono_method_message_class);
2490 mono_message_init (domain, msg, delegate->method_info, NULL);
2491 msg->call_type = CallType_EndInvoke;
2492 MONO_OBJECT_SETREF (msg, async_result, ares);
2493 res = mono_remoting_invoke ((MonoObject *)tp->rp, msg, &exc, &out_args);
2495 res = mono_thread_pool_finish (ares, &out_args, &exc);
2499 if (((MonoException*)exc)->stack_trace) {
2500 char *strace = mono_string_to_utf8 (((MonoException*)exc)->stack_trace);
2502 tmp = g_strdup_printf ("%s\nException Rethrown at:\n", strace);
2504 MONO_OBJECT_SETREF (((MonoException*)exc), stack_trace, mono_string_new (domain, tmp));
2507 mono_raise_exception ((MonoException*)exc);
2510 mono_method_return_message_restore (method, params, out_args);
2515 mono_mb_emit_restore_result (MonoMethodBuilder *mb, MonoType *return_type)
2517 MonoType *t = mono_type_get_underlying_type (return_type);
2519 if (return_type->byref)
2520 return_type = &mono_defaults.int_class->byval_arg;
2523 case MONO_TYPE_VOID:
2524 g_assert_not_reached ();
2527 case MONO_TYPE_STRING:
2528 case MONO_TYPE_CLASS:
2529 case MONO_TYPE_OBJECT:
2530 case MONO_TYPE_ARRAY:
2531 case MONO_TYPE_SZARRAY:
2535 case MONO_TYPE_BOOLEAN:
2538 case MONO_TYPE_CHAR:
2548 mono_mb_emit_op (mb, CEE_UNBOX, mono_class_from_mono_type (return_type));
2549 mono_mb_emit_byte (mb, mono_type_to_ldind (return_type));
2551 case MONO_TYPE_GENERICINST:
2552 if (!mono_type_generic_inst_is_valuetype (return_type))
2555 case MONO_TYPE_VALUETYPE: {
2556 MonoClass *klass = mono_class_from_mono_type (return_type);
2557 mono_mb_emit_op (mb, CEE_UNBOX, klass);
2558 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
2562 g_warning ("type 0x%x not handled", return_type->type);
2563 g_assert_not_reached ();
2566 mono_mb_emit_byte (mb, CEE_RET);
2570 mono_marshal_get_delegate_end_invoke (MonoMethod *method)
2572 MonoMethodSignature *sig;
2573 MonoMethodBuilder *mb;
2579 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
2580 !strcmp (method->name, "EndInvoke"));
2582 sig = mono_signature_no_pinvoke (method);
2584 cache = get_cache (&method->klass->image->delegate_end_invoke_cache,
2585 (GHashFunc)mono_signature_hash,
2586 (GCompareFunc)mono_metadata_signature_equal);
2587 if ((res = mono_marshal_find_in_cache (cache, sig)))
2590 g_assert (sig->hasthis);
2592 name = mono_signature_to_name (sig, "end_invoke");
2593 mb = mono_mb_new (method->klass, name, MONO_WRAPPER_DELEGATE_END_INVOKE);
2596 params_var = mono_mb_emit_save_args (mb, sig, FALSE);
2598 mono_mb_emit_ldarg (mb, 0);
2599 mono_mb_emit_ldloc (mb, params_var);
2600 mono_mb_emit_icall (mb, mono_delegate_end_invoke);
2602 if (sig->ret->type == MONO_TYPE_VOID) {
2603 mono_mb_emit_byte (mb, CEE_POP);
2604 mono_mb_emit_byte (mb, CEE_RET);
2606 mono_mb_emit_restore_result (mb, sig->ret);
2608 res = mono_mb_create_and_cache (cache, sig,
2609 mb, sig, sig->param_count + 16);
2616 mono_remoting_wrapper (MonoMethod *method, gpointer *params)
2618 MonoMethodMessage *msg;
2619 MonoTransparentProxy *this;
2620 MonoObject *res, *exc;
2621 MonoArray *out_args;
2623 this = *((MonoTransparentProxy **)params [0]);
2626 g_assert (((MonoObject *)this)->vtable->klass == mono_defaults.transparent_proxy_class);
2628 /* skip the this pointer */
2631 if (this->remote_class->proxy_class->contextbound && this->rp->context == (MonoObject *) mono_context_get ())
2634 MonoMethodSignature *sig = mono_method_signature (method);
2635 int count = sig->param_count;
2636 gpointer* mparams = (gpointer*) alloca(count*sizeof(gpointer));
2638 for (i=0; i<count; i++) {
2639 MonoClass *class = mono_class_from_mono_type (sig->params [i]);
2640 if (class->valuetype) {
2641 if (sig->params [i]->byref) {
2642 mparams[i] = *((gpointer *)params [i]);
2644 /* runtime_invoke expects a boxed instance */
2645 if (mono_class_is_nullable (mono_class_from_mono_type (sig->params [i])))
2646 mparams[i] = mono_nullable_box (params [i], class);
2648 mparams[i] = params [i];
2651 mparams[i] = *((gpointer**)params [i]);
2655 return mono_runtime_invoke (method, method->klass->valuetype? mono_object_unbox ((MonoObject*)this): this, mparams, NULL);
2658 msg = mono_method_call_message_new (method, params, NULL, NULL, NULL);
2660 res = mono_remoting_invoke ((MonoObject *)this->rp, msg, &exc, &out_args);
2663 mono_raise_exception ((MonoException *)exc);
2665 mono_method_return_message_restore (method, params, out_args);
2671 mono_marshal_get_remoting_invoke (MonoMethod *method)
2673 MonoMethodSignature *sig;
2674 MonoMethodBuilder *mb;
2680 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE || method->wrapper_type == MONO_WRAPPER_XDOMAIN_INVOKE)
2683 /* this seems to be the best plase to put this, as all remoting invokes seem to get filtered through here */
2684 if ((method->klass->is_com_object || method->klass == mono_defaults.com_object_class) && !mono_class_vtable (mono_domain_get (), method->klass)->remote) {
2686 return mono_cominterop_get_invoke (method);
2688 g_assert_not_reached ();
2692 sig = mono_signature_no_pinvoke (method);
2694 /* we cant remote methods without this pointer */
2698 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_REMOTING_INVOKE)))
2701 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_REMOTING_INVOKE);
2702 mb->method->save_lmf = 1;
2704 params_var = mono_mb_emit_save_args (mb, sig, TRUE);
2706 mono_mb_emit_ptr (mb, method);
2707 mono_mb_emit_ldloc (mb, params_var);
2708 mono_mb_emit_icall (mb, mono_remoting_wrapper);
2709 emit_thread_interrupt_checkpoint (mb);
2711 if (sig->ret->type == MONO_TYPE_VOID) {
2712 mono_mb_emit_byte (mb, CEE_POP);
2713 mono_mb_emit_byte (mb, CEE_RET);
2715 mono_mb_emit_restore_result (mb, sig->ret);
2718 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16);
2724 /* mono_get_xdomain_marshal_type()
2725 * Returns the kind of marshalling that a type needs for cross domain calls.
2727 static MonoXDomainMarshalType
2728 mono_get_xdomain_marshal_type (MonoType *t)
2731 case MONO_TYPE_VOID:
2732 g_assert_not_reached ();
2736 case MONO_TYPE_BOOLEAN:
2739 case MONO_TYPE_CHAR:
2746 return MONO_MARSHAL_NONE;
2747 case MONO_TYPE_STRING:
2748 return MONO_MARSHAL_COPY;
2749 case MONO_TYPE_ARRAY:
2750 case MONO_TYPE_SZARRAY: {
2751 MonoClass *elem_class = mono_class_from_mono_type (t)->element_class;
2752 if (mono_get_xdomain_marshal_type (&(elem_class->byval_arg)) != MONO_MARSHAL_SERIALIZE)
2753 return MONO_MARSHAL_COPY;
2758 return MONO_MARSHAL_SERIALIZE;
2762 /* mono_marshal_xdomain_copy_value
2763 * Makes a copy of "val" suitable for the current domain.
2766 mono_marshal_xdomain_copy_value (MonoObject *val)
2769 if (val == NULL) return NULL;
2771 domain = mono_domain_get ();
2773 switch (mono_object_class (val)->byval_arg.type) {
2774 case MONO_TYPE_VOID:
2775 g_assert_not_reached ();
2779 case MONO_TYPE_BOOLEAN:
2782 case MONO_TYPE_CHAR:
2788 case MONO_TYPE_R8: {
2789 return mono_value_box (domain, mono_object_class (val), ((char*)val) + sizeof(MonoObject));
2791 case MONO_TYPE_STRING: {
2792 MonoString *str = (MonoString *) val;
2793 return (MonoObject *) mono_string_new_utf16 (domain, mono_string_chars (str), mono_string_length (str));
2795 case MONO_TYPE_ARRAY:
2796 case MONO_TYPE_SZARRAY: {
2798 MonoXDomainMarshalType mt = mono_get_xdomain_marshal_type (&(mono_object_class (val)->element_class->byval_arg));
2799 if (mt == MONO_MARSHAL_SERIALIZE) return NULL;
2800 acopy = mono_array_clone_in_domain (domain, (MonoArray *) val);
2801 if (mt == MONO_MARSHAL_COPY) {
2802 int i, len = mono_array_length (acopy);
2803 for (i = 0; i < len; i++) {
2804 MonoObject *item = mono_array_get (acopy, gpointer, i);
2805 mono_array_setref (acopy, i, mono_marshal_xdomain_copy_value (item));
2808 return (MonoObject *) acopy;
2812 if (mono_object_class (val) == mono_defaults.stringbuilder_class) {
2813 MonoStringBuilder *oldsb = (MonoStringBuilder *) val;
2814 MonoStringBuilder *newsb = (MonoStringBuilder *) mono_object_new (domain, mono_defaults.stringbuilder_class);
2815 MONO_OBJECT_SETREF (newsb, str, mono_string_new_utf16 (domain, mono_string_chars (oldsb->str), mono_string_length (oldsb->str)));
2816 newsb->length = oldsb->length;
2817 newsb->max_capacity = (gint32)0x7fffffff;
2818 return (MonoObject *) newsb;
2823 /* mono_marshal_xdomain_copy_out_value()
2824 * Copies the contents of the src instance into the dst instance. src and dst
2825 * must have the same type, and if they are arrays, the same size.
2828 mono_marshal_xdomain_copy_out_value (MonoObject *src, MonoObject *dst)
2830 if (src == NULL || dst == NULL) return;
2832 g_assert (mono_object_class (src) == mono_object_class (dst));
2834 switch (mono_object_class (src)->byval_arg.type) {
2835 case MONO_TYPE_ARRAY:
2836 case MONO_TYPE_SZARRAY: {
2837 int mt = mono_get_xdomain_marshal_type (&(mono_object_class (src)->element_class->byval_arg));
2838 if (mt == MONO_MARSHAL_SERIALIZE) return;
2839 if (mt == MONO_MARSHAL_COPY) {
2840 int i, len = mono_array_length ((MonoArray *)dst);
2841 for (i = 0; i < len; i++) {
2842 MonoObject *item = mono_array_get ((MonoArray *)src, gpointer, i);
2843 mono_array_setref ((MonoArray *)dst, i, mono_marshal_xdomain_copy_value (item));
2846 mono_array_full_copy ((MonoArray *)src, (MonoArray *)dst);
2852 if (mono_object_class (src) == mono_defaults.stringbuilder_class) {
2853 MonoStringBuilder *src_sb = (MonoStringBuilder *) src;
2854 MonoStringBuilder *dst_sb = (MonoStringBuilder *) dst;
2856 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)));
2857 dst_sb->cached_str = NULL;
2858 dst_sb->length = src_sb->length;
2863 mono_marshal_emit_xdomain_copy_value (MonoMethodBuilder *mb, MonoClass *pclass)
2865 mono_mb_emit_icall (mb, mono_marshal_xdomain_copy_value);
2866 mono_mb_emit_op (mb, CEE_CASTCLASS, pclass);
2870 mono_marshal_emit_xdomain_copy_out_value (MonoMethodBuilder *mb, MonoClass *pclass)
2872 mono_mb_emit_icall (mb, mono_marshal_xdomain_copy_out_value);
2875 /* mono_marshal_supports_fast_xdomain()
2876 * Returns TRUE if the method can use the fast xdomain wrapper.
2879 mono_marshal_supports_fast_xdomain (MonoMethod *method)
2881 return !method->klass->contextbound &&
2882 !((method->flags & METHOD_ATTRIBUTE_SPECIAL_NAME) && (strcmp (".ctor", method->name) == 0));
2886 mono_marshal_set_domain_by_id (gint32 id, MonoBoolean push)
2888 MonoDomain *current_domain = mono_domain_get ();
2889 MonoDomain *domain = mono_domain_get_by_id (id);
2891 if (!domain || !mono_domain_set (domain, FALSE))
2892 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
2895 mono_thread_push_appdomain_ref (domain);
2897 mono_thread_pop_appdomain_ref ();
2899 return current_domain->domain_id;
2903 mono_marshal_emit_switch_domain (MonoMethodBuilder *mb)
2905 mono_mb_emit_icall (mb, mono_marshal_set_domain_by_id);
2908 /* mono_marshal_emit_load_domain_method ()
2909 * Loads into the stack a pointer to the code of the provided method for
2910 * the current domain.
2913 mono_marshal_emit_load_domain_method (MonoMethodBuilder *mb, MonoMethod *method)
2915 /* We need a pointer to the method for the running domain (not the domain
2916 * that compiles the method).
2918 mono_mb_emit_ptr (mb, method);
2919 mono_mb_emit_icall (mb, mono_compile_method);
2922 /* mono_marshal_check_domain_image ()
2923 * Returns TRUE if the image is loaded in the specified
2924 * application domain.
2927 mono_marshal_check_domain_image (gint32 domain_id, MonoImage *image)
2932 MonoDomain *domain = mono_domain_get_by_id (domain_id);
2936 mono_domain_assemblies_lock (domain);
2937 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
2939 if (ass->image == image)
2942 mono_domain_assemblies_unlock (domain);
2947 /* mono_marshal_get_xappdomain_dispatch ()
2948 * Generates a method that dispatches a method call from another domain into
2949 * the current domain.
2952 mono_marshal_get_xappdomain_dispatch (MonoMethod *method, int *marshal_types, int complex_count, int complex_out_count, int ret_marshal_type)
2954 MonoMethodSignature *sig, *csig;
2955 MonoMethodBuilder *mb;
2957 int i, j, param_index, copy_locals_base;
2958 MonoClass *ret_class = NULL;
2959 int loc_array=0, loc_return=0, loc_serialized_exc=0;
2960 MonoExceptionClause *main_clause;
2962 gboolean copy_return;
2964 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_XDOMAIN_DISPATCH)))
2967 sig = mono_method_signature (method);
2968 copy_return = (sig->ret->type != MONO_TYPE_VOID && ret_marshal_type != MONO_MARSHAL_SERIALIZE);
2971 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3 + sig->param_count - complex_count);
2972 csig->params [j++] = &mono_defaults.object_class->byval_arg;
2973 csig->params [j++] = &byte_array_class->this_arg;
2974 csig->params [j++] = &byte_array_class->this_arg;
2975 for (i = 0; i < sig->param_count; i++) {
2976 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE)
2977 csig->params [j++] = sig->params [i];
2980 csig->ret = sig->ret;
2982 csig->ret = &mono_defaults.void_class->byval_arg;
2984 csig->hasthis = FALSE;
2986 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_XDOMAIN_DISPATCH);
2987 mb->method->save_lmf = 1;
2991 loc_serialized_exc = mono_mb_add_local (mb, &byte_array_class->byval_arg);
2992 if (complex_count > 0)
2993 loc_array = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
2994 if (sig->ret->type != MONO_TYPE_VOID) {
2995 loc_return = mono_mb_add_local (mb, sig->ret);
2996 ret_class = mono_class_from_mono_type (sig->ret);
3001 main_clause = mono_image_alloc0 (method->klass->image, sizeof (MonoExceptionClause));
3002 main_clause->try_offset = mono_mb_get_label (mb);
3004 /* Clean the call context */
3006 mono_mb_emit_byte (mb, CEE_LDNULL);
3007 mono_mb_emit_managed_call (mb, method_set_call_context, NULL);
3008 mono_mb_emit_byte (mb, CEE_POP);
3010 /* Deserialize call data */
3012 mono_mb_emit_ldarg (mb, 1);
3013 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3014 mono_mb_emit_byte (mb, CEE_DUP);
3015 pos = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
3017 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
3018 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
3020 if (complex_count > 0)
3021 mono_mb_emit_stloc (mb, loc_array);
3023 mono_mb_emit_byte (mb, CEE_POP);
3025 mono_mb_patch_short_branch (mb, pos);
3027 /* Get the target object */
3029 mono_mb_emit_ldarg (mb, 0);
3030 mono_mb_emit_managed_call (mb, method_rs_appdomain_target, NULL);
3032 /* Load the arguments */
3034 copy_locals_base = mb->locals;
3035 param_index = 3; // Index of the first non-serialized parameter of this wrapper
3037 for (i = 0; i < sig->param_count; i++) {
3038 MonoType *pt = sig->params [i];
3039 MonoClass *pclass = mono_class_from_mono_type (pt);
3040 switch (marshal_types [i]) {
3041 case MONO_MARSHAL_SERIALIZE: {
3042 /* take the value from the serialized array */
3043 mono_mb_emit_ldloc (mb, loc_array);
3044 mono_mb_emit_icon (mb, j++);
3046 if (pclass->valuetype) {
3047 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3048 mono_mb_emit_op (mb, CEE_UNBOX, pclass);
3050 mono_mb_emit_op (mb, CEE_LDELEMA, pclass);
3053 if (pclass->valuetype) {
3054 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3055 mono_mb_emit_op (mb, CEE_UNBOX, pclass);
3056 mono_mb_emit_op (mb, CEE_LDOBJ, pclass);
3058 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3059 if (pclass != mono_defaults.object_class) {
3060 mono_mb_emit_op (mb, CEE_CASTCLASS, pclass);
3066 case MONO_MARSHAL_COPY_OUT: {
3067 /* Keep a local copy of the value since we need to copy it back after the call */
3068 int copy_local = mono_mb_add_local (mb, &(pclass->byval_arg));
3069 mono_mb_emit_ldarg (mb, param_index++);
3070 mono_marshal_emit_xdomain_copy_value (mb, pclass);
3071 mono_mb_emit_byte (mb, CEE_DUP);
3072 mono_mb_emit_stloc (mb, copy_local);
3075 case MONO_MARSHAL_COPY: {
3076 mono_mb_emit_ldarg (mb, param_index);
3078 mono_mb_emit_byte (mb, CEE_DUP);
3079 mono_mb_emit_byte (mb, CEE_DUP);
3080 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3081 mono_marshal_emit_xdomain_copy_value (mb, pclass);
3082 mono_mb_emit_byte (mb, CEE_STIND_REF);
3084 mono_marshal_emit_xdomain_copy_value (mb, pclass);
3089 case MONO_MARSHAL_NONE:
3090 mono_mb_emit_ldarg (mb, param_index++);
3095 /* Make the call to the real object */
3097 emit_thread_force_interrupt_checkpoint (mb);
3099 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
3101 if (sig->ret->type != MONO_TYPE_VOID)
3102 mono_mb_emit_stloc (mb, loc_return);
3104 /* copy back MONO_MARSHAL_COPY_OUT parameters */
3108 for (i = 0; i < sig->param_count; i++) {
3109 if (marshal_types [i] == MONO_MARSHAL_SERIALIZE) continue;
3110 if (marshal_types [i] == MONO_MARSHAL_COPY_OUT) {
3111 mono_mb_emit_ldloc (mb, copy_locals_base + (j++));
3112 mono_mb_emit_ldarg (mb, param_index);
3113 mono_marshal_emit_xdomain_copy_out_value (mb, mono_class_from_mono_type (sig->params [i]));
3118 /* Serialize the return values */
3120 if (complex_out_count > 0) {
3121 /* Reset parameters in the array that don't need to be serialized back */
3123 for (i = 0; i < sig->param_count; i++) {
3124 if (marshal_types[i] != MONO_MARSHAL_SERIALIZE) continue;
3125 if (!sig->params [i]->byref) {
3126 mono_mb_emit_ldloc (mb, loc_array);
3127 mono_mb_emit_icon (mb, j);
3128 mono_mb_emit_byte (mb, CEE_LDNULL);
3129 mono_mb_emit_byte (mb, CEE_STELEM_REF);
3134 /* Add the return value to the array */
3136 if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
3137 mono_mb_emit_ldloc (mb, loc_array);
3138 mono_mb_emit_icon (mb, complex_count); /* The array has an additional slot to hold the ret value */
3139 mono_mb_emit_ldloc (mb, loc_return);
3140 if (ret_class->valuetype) {
3141 mono_mb_emit_op (mb, CEE_BOX, ret_class);
3143 mono_mb_emit_byte (mb, CEE_STELEM_REF);
3148 mono_mb_emit_ldarg (mb, 1);
3149 mono_mb_emit_ldloc (mb, loc_array);
3150 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3151 mono_mb_emit_byte (mb, CEE_STIND_REF);
3152 } else if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
3153 mono_mb_emit_ldarg (mb, 1);
3154 mono_mb_emit_ldloc (mb, loc_return);
3155 if (ret_class->valuetype) {
3156 mono_mb_emit_op (mb, CEE_BOX, ret_class);
3158 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3159 mono_mb_emit_byte (mb, CEE_STIND_REF);
3161 mono_mb_emit_ldarg (mb, 1);
3162 mono_mb_emit_byte (mb, CEE_LDNULL);
3163 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3164 mono_mb_emit_byte (mb, CEE_STIND_REF);
3167 mono_mb_emit_ldarg (mb, 2);
3168 mono_mb_emit_byte (mb, CEE_LDNULL);
3169 mono_mb_emit_byte (mb, CEE_STIND_REF);
3170 pos_leave = mono_mb_emit_branch (mb, CEE_LEAVE);
3172 /* Main exception catch */
3173 main_clause->flags = MONO_EXCEPTION_CLAUSE_NONE;
3174 main_clause->try_len = mono_mb_get_pos (mb) - main_clause->try_offset;
3175 main_clause->data.catch_class = mono_defaults.object_class;
3178 main_clause->handler_offset = mono_mb_get_label (mb);
3179 mono_mb_emit_managed_call (mb, method_rs_serialize_exc, NULL);
3180 mono_mb_emit_stloc (mb, loc_serialized_exc);
3181 mono_mb_emit_ldarg (mb, 2);
3182 mono_mb_emit_ldloc (mb, loc_serialized_exc);
3183 mono_mb_emit_byte (mb, CEE_STIND_REF);
3184 mono_mb_emit_branch (mb, CEE_LEAVE);
3185 main_clause->handler_len = mono_mb_get_pos (mb) - main_clause->handler_offset;
3188 mono_mb_patch_branch (mb, pos_leave);
3191 mono_mb_emit_ldloc (mb, loc_return);
3193 mono_mb_emit_byte (mb, CEE_RET);
3195 mono_mb_set_clauses (mb, 1, main_clause);
3197 res = mono_remoting_mb_create_and_cache (method, mb, csig, csig->param_count + 16);
3203 /* mono_marshal_get_xappdomain_invoke ()
3204 * Generates a fast remoting wrapper for cross app domain calls.
3207 mono_marshal_get_xappdomain_invoke (MonoMethod *method)
3209 MonoMethodSignature *sig;
3210 MonoMethodBuilder *mb;
3212 int i, j, complex_count, complex_out_count, copy_locals_base;
3214 MonoClass *ret_class = NULL;
3215 MonoMethod *xdomain_method;
3216 int ret_marshal_type = MONO_MARSHAL_NONE;
3217 int loc_array=0, loc_serialized_data=-1, loc_real_proxy;
3218 int loc_old_domainid, loc_domainid, loc_return=0, loc_serialized_exc=0, loc_context;
3219 int pos, pos_dispatch, pos_noex;
3220 gboolean copy_return = FALSE;
3224 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE || method->wrapper_type == MONO_WRAPPER_XDOMAIN_INVOKE)
3227 /* we cant remote methods without this pointer */
3228 if (!mono_method_signature (method)->hasthis)
3231 if (!mono_marshal_supports_fast_xdomain (method))
3232 return mono_marshal_get_remoting_invoke (method);
3234 mono_remoting_marshal_init ();
3236 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_XDOMAIN_INVOKE)))
3239 sig = mono_signature_no_pinvoke (method);
3241 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_XDOMAIN_INVOKE);
3242 mb->method->save_lmf = 1;
3244 /* Count the number of parameters that need to be serialized */
3246 marshal_types = alloca (sizeof (int) * sig->param_count);
3247 complex_count = complex_out_count = 0;
3248 for (i = 0; i < sig->param_count; i++) {
3249 MonoType *ptype = sig->params[i];
3250 int mt = mono_get_xdomain_marshal_type (ptype);
3252 /* If the [Out] attribute is applied to a parameter that can be internally copied,
3253 * the copy will be made by reusing the original object instance
3255 if ((ptype->attrs & PARAM_ATTRIBUTE_OUT) != 0 && mt == MONO_MARSHAL_COPY && !ptype->byref)
3256 mt = MONO_MARSHAL_COPY_OUT;
3257 else if (mt == MONO_MARSHAL_SERIALIZE) {
3259 if (ptype->byref) complex_out_count++;
3261 marshal_types [i] = mt;
3264 if (sig->ret->type != MONO_TYPE_VOID) {
3265 ret_marshal_type = mono_get_xdomain_marshal_type (sig->ret);
3266 ret_class = mono_class_from_mono_type (sig->ret);
3267 copy_return = ret_marshal_type != MONO_MARSHAL_SERIALIZE;
3272 if (complex_count > 0)
3273 loc_array = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3274 loc_serialized_data = mono_mb_add_local (mb, &byte_array_class->byval_arg);
3275 loc_real_proxy = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3277 loc_return = mono_mb_add_local (mb, sig->ret);
3278 loc_old_domainid = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
3279 loc_domainid = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
3280 loc_serialized_exc = mono_mb_add_local (mb, &byte_array_class->byval_arg);
3281 loc_context = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3283 /* Save thread domain data */
3285 mono_mb_emit_icall (mb, mono_context_get);
3286 mono_mb_emit_byte (mb, CEE_DUP);
3287 mono_mb_emit_stloc (mb, loc_context);
3289 /* If the thread is not running in the default context, it needs to go
3290 * through the whole remoting sink, since the context is going to change
3292 mono_mb_emit_managed_call (mb, method_needs_context_sink, NULL);
3293 pos = mono_mb_emit_short_branch (mb, CEE_BRTRUE_S);
3295 /* Another case in which the fast path can't be used: when the target domain
3296 * has a different image for the same assembly.
3299 /* Get the target domain id */
3301 mono_mb_emit_ldarg (mb, 0);
3302 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
3303 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3304 mono_mb_emit_byte (mb, CEE_DUP);
3305 mono_mb_emit_stloc (mb, loc_real_proxy);
3307 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoRealProxy, target_domain_id));
3308 mono_mb_emit_byte (mb, CEE_LDIND_I4);
3309 mono_mb_emit_stloc (mb, loc_domainid);
3311 /* Check if the target domain has the same image for the required assembly */
3313 mono_mb_emit_ldloc (mb, loc_domainid);
3314 mono_mb_emit_ptr (mb, method->klass->image);
3315 mono_mb_emit_icall (mb, mono_marshal_check_domain_image);
3316 pos_dispatch = mono_mb_emit_short_branch (mb, CEE_BRTRUE_S);
3318 /* Use the whole remoting sink to dispatch this message */
3320 mono_mb_patch_short_branch (mb, pos);
3322 mono_mb_emit_ldarg (mb, 0);
3323 for (i = 0; i < sig->param_count; i++)
3324 mono_mb_emit_ldarg (mb, i + 1);
3326 mono_mb_emit_managed_call (mb, mono_marshal_get_remoting_invoke (method), NULL);
3327 mono_mb_emit_byte (mb, CEE_RET);
3328 mono_mb_patch_short_branch (mb, pos_dispatch);
3330 /* Create the array that will hold the parameters to be serialized */
3332 if (complex_count > 0) {
3333 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 */
3334 mono_mb_emit_op (mb, CEE_NEWARR, mono_defaults.object_class);
3337 for (i = 0; i < sig->param_count; i++) {
3339 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE) continue;
3340 pclass = mono_class_from_mono_type (sig->params[i]);
3341 mono_mb_emit_byte (mb, CEE_DUP);
3342 mono_mb_emit_icon (mb, j);
3343 mono_mb_emit_ldarg (mb, i + 1); /* 0=this */
3344 if (sig->params[i]->byref) {
3345 if (pclass->valuetype)
3346 mono_mb_emit_op (mb, CEE_LDOBJ, pclass);
3348 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3350 if (pclass->valuetype)
3351 mono_mb_emit_op (mb, CEE_BOX, pclass);
3352 mono_mb_emit_byte (mb, CEE_STELEM_REF);
3355 mono_mb_emit_stloc (mb, loc_array);
3357 /* Serialize parameters */
3359 mono_mb_emit_ldloc (mb, loc_array);
3360 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3361 mono_mb_emit_stloc (mb, loc_serialized_data);
3363 mono_mb_emit_byte (mb, CEE_LDNULL);
3364 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3365 mono_mb_emit_stloc (mb, loc_serialized_data);
3370 mono_mb_emit_ldloc (mb, loc_domainid);
3371 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
3372 mono_marshal_emit_switch_domain (mb);
3373 mono_mb_emit_stloc (mb, loc_old_domainid);
3375 /* Load the arguments */
3377 mono_mb_emit_ldloc (mb, loc_real_proxy);
3378 mono_mb_emit_ldloc_addr (mb, loc_serialized_data);
3379 mono_mb_emit_ldloc_addr (mb, loc_serialized_exc);
3381 copy_locals_base = mb->locals;
3382 for (i = 0; i < sig->param_count; i++) {
3383 switch (marshal_types [i]) {
3384 case MONO_MARSHAL_SERIALIZE:
3386 case MONO_MARSHAL_COPY: {
3387 mono_mb_emit_ldarg (mb, i+1);
3388 if (sig->params [i]->byref) {
3389 /* make a local copy of the byref parameter. The real parameter
3390 * will be updated after the xdomain call
3392 MonoClass *pclass = mono_class_from_mono_type (sig->params [i]);
3393 int copy_local = mono_mb_add_local (mb, &(pclass->byval_arg));
3394 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3395 mono_mb_emit_stloc (mb, copy_local);
3396 mono_mb_emit_ldloc_addr (mb, copy_local);
3400 case MONO_MARSHAL_COPY_OUT:
3401 case MONO_MARSHAL_NONE:
3402 mono_mb_emit_ldarg (mb, i+1);
3407 /* Make the call to the invoke wrapper in the target domain */
3409 xdomain_method = mono_marshal_get_xappdomain_dispatch (method, marshal_types, complex_count, complex_out_count, ret_marshal_type);
3410 mono_marshal_emit_load_domain_method (mb, xdomain_method);
3411 mono_mb_emit_calli (mb, mono_method_signature (xdomain_method));
3414 mono_mb_emit_stloc (mb, loc_return);
3418 mono_mb_emit_ldloc (mb, loc_old_domainid);
3419 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
3420 mono_marshal_emit_switch_domain (mb);
3421 mono_mb_emit_byte (mb, CEE_POP);
3423 /* Restore thread domain data */
3425 mono_mb_emit_ldloc (mb, loc_context);
3426 mono_mb_emit_icall (mb, mono_context_set);
3428 /* if (loc_serialized_exc != null) ... */
3430 mono_mb_emit_ldloc (mb, loc_serialized_exc);
3431 pos_noex = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
3433 mono_mb_emit_ldloc (mb, loc_serialized_exc);
3434 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
3435 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
3436 mono_mb_emit_op (mb, CEE_CASTCLASS, mono_defaults.exception_class);
3437 mono_mb_emit_managed_call (mb, method_exc_fixexc, NULL);
3438 mono_mb_emit_byte (mb, CEE_THROW);
3439 mono_mb_patch_short_branch (mb, pos_noex);
3441 /* copy back non-serialized output parameters */
3444 for (i = 0; i < sig->param_count; i++) {
3445 if (!sig->params [i]->byref || marshal_types [i] != MONO_MARSHAL_COPY) continue;
3446 mono_mb_emit_ldarg (mb, i + 1);
3447 mono_mb_emit_ldloc (mb, copy_locals_base + (j++));
3448 mono_marshal_emit_xdomain_copy_value (mb, mono_class_from_mono_type (sig->params [i]));
3449 mono_mb_emit_byte (mb, CEE_STIND_REF);
3452 /* Deserialize out parameters */
3454 if (complex_out_count > 0) {
3455 mono_mb_emit_ldloc (mb, loc_serialized_data);
3456 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
3457 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
3458 mono_mb_emit_stloc (mb, loc_array);
3460 /* Copy back output parameters and return type */
3463 for (i = 0; i < sig->param_count; i++) {
3464 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE) continue;
3465 if (sig->params[i]->byref) {
3466 MonoClass *pclass = mono_class_from_mono_type (sig->params [i]);
3467 mono_mb_emit_ldarg (mb, i + 1);
3468 mono_mb_emit_ldloc (mb, loc_array);
3469 mono_mb_emit_icon (mb, j);
3470 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3471 if (pclass->valuetype) {
3472 mono_mb_emit_op (mb, CEE_UNBOX, pclass);
3473 mono_mb_emit_op (mb, CEE_LDOBJ, pclass);
3474 mono_mb_emit_op (mb, CEE_STOBJ, pclass);
3476 if (pclass != mono_defaults.object_class)
3477 mono_mb_emit_op (mb, CEE_CASTCLASS, pclass);
3478 mono_mb_emit_byte (mb, CEE_STIND_REF);
3484 if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
3485 mono_mb_emit_ldloc (mb, loc_array);
3486 mono_mb_emit_icon (mb, complex_count);
3487 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3488 if (ret_class->valuetype) {
3489 mono_mb_emit_op (mb, CEE_UNBOX, ret_class);
3490 mono_mb_emit_op (mb, CEE_LDOBJ, ret_class);
3493 } else if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
3494 mono_mb_emit_ldloc (mb, loc_serialized_data);
3495 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
3496 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
3497 if (ret_class->valuetype) {
3498 mono_mb_emit_op (mb, CEE_UNBOX, ret_class);
3499 mono_mb_emit_op (mb, CEE_LDOBJ, ret_class);
3500 } else if (ret_class != mono_defaults.object_class) {
3501 mono_mb_emit_op (mb, CEE_CASTCLASS, ret_class);
3504 mono_mb_emit_ldloc (mb, loc_serialized_data);
3505 mono_mb_emit_byte (mb, CEE_DUP);
3506 pos = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
3507 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
3509 mono_mb_patch_short_branch (mb, pos);
3510 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
3511 mono_mb_emit_byte (mb, CEE_POP);
3515 mono_mb_emit_ldloc (mb, loc_return);
3516 if (ret_marshal_type == MONO_MARSHAL_COPY)
3517 mono_marshal_emit_xdomain_copy_value (mb, ret_class);
3520 mono_mb_emit_byte (mb, CEE_RET);
3522 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16);
3529 mono_marshal_get_remoting_invoke_for_target (MonoMethod *method, MonoRemotingTarget target_type)
3531 if (target_type == MONO_REMOTING_TARGET_APPDOMAIN) {
3532 return mono_marshal_get_xappdomain_invoke (method);
3533 } else if (target_type == MONO_REMOTING_TARGET_COMINTEROP) {
3535 return mono_cominterop_get_invoke (method);
3537 g_assert_not_reached ();
3540 return mono_marshal_get_remoting_invoke (method);
3546 G_GNUC_UNUSED static gpointer
3547 mono_marshal_load_remoting_wrapper (MonoRealProxy *rp, MonoMethod *method)
3549 if (rp->target_domain_id != -1)
3550 return mono_compile_method (mono_marshal_get_xappdomain_invoke (method));
3552 return mono_compile_method (mono_marshal_get_remoting_invoke (method));
3556 mono_marshal_get_remoting_invoke_with_check (MonoMethod *method)
3558 MonoMethodSignature *sig;
3559 MonoMethodBuilder *mb;
3560 MonoMethod *res, *native;
3561 int i, pos, pos_rem;
3565 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK)
3568 /* we cant remote methods without this pointer */
3569 g_assert (mono_method_signature (method)->hasthis);
3571 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK)))
3574 sig = mono_signature_no_pinvoke (method);
3576 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK);
3578 for (i = 0; i <= sig->param_count; i++)
3579 mono_mb_emit_ldarg (mb, i);
3581 mono_mb_emit_ldarg (mb, 0);
3582 pos = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
3584 if (mono_marshal_supports_fast_xdomain (method)) {
3585 mono_mb_emit_ldarg (mb, 0);
3586 pos_rem = mono_mb_emit_xdomain_check (mb, CEE_BEQ);
3588 /* wrapper for cross app domain calls */
3589 native = mono_marshal_get_xappdomain_invoke (method);
3590 mono_mb_emit_managed_call (mb, native, mono_method_signature (native));
3591 mono_mb_emit_byte (mb, CEE_RET);
3593 mono_mb_patch_branch (mb, pos_rem);
3595 /* wrapper for normal remote calls */
3596 native = mono_marshal_get_remoting_invoke (method);
3597 mono_mb_emit_managed_call (mb, native, mono_method_signature (native));
3598 mono_mb_emit_byte (mb, CEE_RET);
3601 mono_mb_patch_branch (mb, pos);
3602 mono_mb_emit_managed_call (mb, method, mono_method_signature (method));
3603 mono_mb_emit_byte (mb, CEE_RET);
3605 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16);
3613 MonoMethodSignature *sig;
3615 } SignatureMethodPair;
3618 signature_method_pair_hash (gconstpointer data)
3620 SignatureMethodPair *pair = (SignatureMethodPair*)data;
3622 return mono_signature_hash (pair->sig) ^ mono_aligned_addr_hash (pair->method);
3626 signature_method_pair_equal (SignatureMethodPair *pair1, SignatureMethodPair *pair2)
3628 return mono_metadata_signature_equal (pair1->sig, pair2->sig) && (pair1->method == pair2->method);
3632 free_signature_method_pair (SignatureMethodPair *pair)
3638 * the returned method invokes all methods in a multicast delegate.
3641 mono_marshal_get_delegate_invoke (MonoMethod *method, MonoDelegate *del)
3643 MonoMethodSignature *sig, *static_sig;
3645 MonoMethodBuilder *mb;
3646 MonoMethod *res, *newm;
3648 SignatureMethodPair key;
3649 SignatureMethodPair *new_key;
3650 int local_prev, local_target;
3653 MonoMethod *target_method = NULL;
3654 MonoClass *target_class = NULL;
3655 gboolean callvirt = FALSE;
3658 * If the delegate target is null, and the target method is not static, a virtual
3659 * call is made to that method with the first delegate argument as this. This is
3660 * a non-documented .NET feature.
3662 if (del && !del->target && del->method && mono_method_signature (del->method)->hasthis) {
3664 target_method = del->method;
3665 if (target_method->is_inflated) {
3666 MonoType *target_type;
3668 g_assert (method->signature->hasthis);
3669 target_type = mono_class_inflate_generic_type (method->signature->params [0],
3670 mono_method_get_context (method));
3671 target_class = mono_class_from_mono_type (target_type);
3673 target_class = del->method->klass;
3677 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
3678 !strcmp (method->name, "Invoke"));
3680 sig = mono_signature_no_pinvoke (method);
3683 /* We need to cache the signature+method pair */
3684 mono_marshal_lock ();
3685 if (!method->klass->image->delegate_abstract_invoke_cache)
3686 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);
3687 cache = method->klass->image->delegate_abstract_invoke_cache;
3689 key.method = target_method;
3690 res = g_hash_table_lookup (cache, &key);
3691 mono_marshal_unlock ();
3695 cache = get_cache (&method->klass->image->delegate_invoke_cache,
3696 (GHashFunc)mono_signature_hash,
3697 (GCompareFunc)mono_metadata_signature_equal);
3698 if ((res = mono_marshal_find_in_cache (cache, sig)))
3702 static_sig = signature_dup (method->klass->image, sig);
3703 static_sig->hasthis = 0;
3705 name = mono_signature_to_name (sig, "invoke");
3706 mb = mono_mb_new (method->klass, name, MONO_WRAPPER_DELEGATE_INVOKE);
3709 /* allocate local 0 (object) */
3710 local_target = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3711 local_prev = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3713 g_assert (sig->hasthis);
3717 * prev.Invoke( args .. );
3718 * return this.<target>( args .. );
3721 /* this wrapper can be used in unmanaged-managed transitions */
3722 emit_thread_interrupt_checkpoint (mb);
3724 /* get this->prev */
3725 mono_mb_emit_ldarg (mb, 0);
3726 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoMulticastDelegate, prev));
3727 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3728 mono_mb_emit_stloc (mb, local_prev);
3729 mono_mb_emit_ldloc (mb, local_prev);
3731 /* if prev != null */
3732 pos0 = mono_mb_emit_branch (mb, CEE_BRFALSE);
3736 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3737 mono_mb_emit_byte (mb, CEE_MONO_NOT_TAKEN);
3739 mono_mb_emit_ldloc (mb, local_prev);
3740 for (i = 0; i < sig->param_count; i++)
3741 mono_mb_emit_ldarg (mb, i + 1);
3742 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
3743 if (sig->ret->type != MONO_TYPE_VOID)
3744 mono_mb_emit_byte (mb, CEE_POP);
3746 /* continued or prev == null */
3747 mono_mb_patch_branch (mb, pos0);
3749 /* get this->target */
3750 mono_mb_emit_ldarg (mb, 0);
3751 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, target));
3752 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3753 mono_mb_emit_stloc (mb, local_target);
3755 /* if target != null */
3756 mono_mb_emit_ldloc (mb, local_target);
3757 pos0 = mono_mb_emit_branch (mb, CEE_BRFALSE);
3759 /* then call this->method_ptr nonstatic */
3762 mono_mb_emit_exception_full (mb, "System", "NotImplementedException", "");
3764 mono_mb_emit_ldloc (mb, local_target);
3765 for (i = 0; i < sig->param_count; ++i)
3766 mono_mb_emit_ldarg (mb, i + 1);
3767 mono_mb_emit_ldarg (mb, 0);
3768 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, method_ptr));
3769 mono_mb_emit_byte (mb, CEE_LDIND_I );
3770 mono_mb_emit_op (mb, CEE_CALLI, sig);
3772 mono_mb_emit_byte (mb, CEE_RET);
3775 /* else [target == null] call this->method_ptr static */
3776 mono_mb_patch_branch (mb, pos0);
3779 mono_mb_emit_ldarg (mb, 1);
3780 mono_mb_emit_op (mb, CEE_CASTCLASS, target_class);
3781 for (i = 1; i < sig->param_count; ++i)
3782 mono_mb_emit_ldarg (mb, i + 1);
3783 mono_mb_emit_op (mb, CEE_CALLVIRT, target_method);
3785 for (i = 0; i < sig->param_count; ++i)
3786 mono_mb_emit_ldarg (mb, i + 1);
3787 mono_mb_emit_ldarg (mb, 0);
3788 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, method_ptr));
3789 mono_mb_emit_byte (mb, CEE_LDIND_I );
3790 mono_mb_emit_op (mb, CEE_CALLI, static_sig);
3793 mono_mb_emit_byte (mb, CEE_RET);
3796 // From mono_mb_create_and_cache
3797 mb->skip_visibility = 1;
3798 newm = mono_mb_create_method (mb, sig, sig->param_count + 16);
3799 /*We perform double checked locking, so must fence before publishing*/
3800 mono_memory_barrier ();
3801 mono_marshal_lock ();
3802 res = g_hash_table_lookup (cache, &key);
3805 new_key = g_new0 (SignatureMethodPair, 1);
3807 new_key->method = target_method;
3808 g_hash_table_insert (cache, new_key, res);
3809 mono_marshal_method_set_wrapper_data (res, new_key);
3810 mono_marshal_unlock ();
3812 mono_marshal_unlock ();
3813 mono_free_method (newm);
3816 mb->skip_visibility = 1;
3817 res = mono_mb_create_and_cache (cache, sig, mb, sig, sig->param_count + 16);
3825 * signature_dup_add_this:
3827 * Make a copy of @sig, adding an explicit this argument.
3829 static MonoMethodSignature*
3830 signature_dup_add_this (MonoMethodSignature *sig, MonoClass *klass)
3832 MonoMethodSignature *res;
3835 res = mono_metadata_signature_alloc (klass->image, sig->param_count + 1);
3836 memcpy (res, sig, MONO_SIZEOF_METHOD_SIGNATURE);
3837 res->param_count = sig->param_count + 1;
3838 res->hasthis = FALSE;
3839 for (i = sig->param_count - 1; i >= 0; i --)
3840 res->params [i + 1] = sig->params [i];
3841 res->params [0] = &mono_ptr_class_get (&klass->byval_arg)->byval_arg;
3847 MonoMethodSignature *ctor_sig;
3848 MonoMethodSignature *sig;
3851 /* protected by the marshal lock, contains CtorSigPair pointers */
3852 static GSList *strsig_list = NULL;
3854 static MonoMethodSignature *
3855 lookup_string_ctor_signature (MonoMethodSignature *sig)
3857 MonoMethodSignature *callsig;
3861 mono_marshal_lock ();
3863 for (item = strsig_list; item; item = item->next) {
3865 /* mono_metadata_signature_equal () is safe to call with the marshal lock
3866 * because it is lock-free.
3868 if (mono_metadata_signature_equal (sig, cs->ctor_sig)) {
3873 mono_marshal_unlock ();
3877 static MonoMethodSignature *
3878 add_string_ctor_signature (MonoMethod *method)
3880 MonoMethodSignature *callsig;
3883 callsig = signature_dup (method->klass->image, mono_method_signature (method));
3884 callsig->ret = &mono_defaults.string_class->byval_arg;
3885 cs = g_new (CtorSigPair, 1);
3887 cs->ctor_sig = mono_method_signature (method);
3889 mono_marshal_lock ();
3890 strsig_list = g_slist_prepend (strsig_list, cs);
3891 mono_marshal_unlock ();
3896 get_runtime_invoke_type (MonoType *t, gboolean ret)
3899 if (t->type == MONO_TYPE_GENERICINST)
3902 return &mono_defaults.int_class->byval_arg;
3905 if (MONO_TYPE_IS_REFERENCE (t))
3906 return &mono_defaults.object_class->byval_arg;
3909 /* The result needs to be boxed */
3915 return &mono_defaults.sbyte_class->byval_arg;
3917 return &mono_defaults.int16_class->byval_arg;
3919 return &mono_defaults.int32_class->byval_arg;
3921 return &mono_defaults.int64_class->byval_arg;
3922 case MONO_TYPE_BOOLEAN:
3923 return &mono_defaults.sbyte_class->byval_arg;
3924 case MONO_TYPE_CHAR:
3925 return &mono_defaults.int16_class->byval_arg;
3928 return &mono_defaults.int_class->byval_arg;
3929 case MONO_TYPE_VALUETYPE:
3930 if (t->data.klass->enumtype) {
3931 t = mono_class_enum_basetype (t->data.klass);
3941 * mono_marshal_get_runtime_invoke_sig:
3943 * Return a common signature used for sharing runtime invoke wrappers.
3945 static MonoMethodSignature*
3946 mono_marshal_get_runtime_invoke_sig (MonoMethodSignature *sig)
3948 MonoMethodSignature *res = mono_metadata_signature_dup (sig);
3951 res->ret = get_runtime_invoke_type (sig->ret, TRUE);
3952 for (i = 0; i < res->param_count; ++i)
3953 res->params [i] = get_runtime_invoke_type (sig->params [i], FALSE);
3959 runtime_invoke_signature_equal (MonoMethodSignature *sig1, MonoMethodSignature *sig2)
3961 /* Can't share wrappers which return a vtype since it needs to be boxed */
3962 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))
3965 return mono_metadata_signature_equal (sig1, sig2);
3969 * get_wrapper_target_class:
3971 * Return the class where a wrapper method should be placed.
3974 get_wrapper_target_class (MonoImage *image)
3980 * - can't put all wrappers into an mscorlib class, because they reference
3981 * metadata (signature) so they should be put into the same image as the
3982 * method they wrap, so they are unloaded together.
3983 * - putting them into a class with a type initalizer could cause the
3984 * initializer to be executed which can be a problem if the wrappers are
3986 * - putting them into an inflated class can cause problems if the the
3987 * class is deleted because it references an image which is unloaded.
3988 * To avoid these problems, we put the wrappers into the <Module> class of
3992 klass = ((MonoDynamicImage*)image)->wrappers_type;
3994 klass = mono_class_get (image, mono_metadata_make_token (MONO_TABLE_TYPEDEF, 1));
4001 runtime_invoke_reset_abort (MonoException *ex)
4003 if (ex->object.vtable->klass == mono_defaults.threadabortexception_class)
4004 ves_icall_System_Threading_Thread_ResetAbort ();
4008 * generates IL code for the runtime invoke function
4009 * MonoObject *runtime_invoke (MonoObject *this, void **params, MonoObject **exc, void* method)
4011 * we also catch exceptions if exc != null
4012 * If VIRTUAL is TRUE, then METHOD is invoked virtually on THIS. This is useful since
4013 * it means that the compiled code for METHOD does not have to be looked up
4014 * before calling the runtime invoke wrapper. In this case, the wrapper ignores
4015 * its METHOD argument.
4018 mono_marshal_get_runtime_invoke (MonoMethod *method, gboolean virtual)
4020 MonoMethodSignature *sig, *csig, *callsig;
4021 MonoExceptionClause *clause;
4022 MonoMethodBuilder *mb;
4023 GHashTable *cache = NULL;
4024 MonoClass *target_klass;
4025 MonoMethod *res = NULL;
4026 static MonoString *string_dummy = NULL;
4027 static MonoMethodSignature *cctor_signature = NULL;
4028 static MonoMethodSignature *finalize_signature = NULL;
4031 gboolean need_direct_wrapper = FALSE;
4032 int *tmp_nullable_locals;
4036 if (!cctor_signature) {
4037 cctor_signature = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
4038 cctor_signature->ret = &mono_defaults.void_class->byval_arg;
4040 if (!finalize_signature) {
4041 finalize_signature = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
4042 finalize_signature->ret = &mono_defaults.void_class->byval_arg;
4043 finalize_signature->hasthis = 1;
4047 need_direct_wrapper = TRUE;
4050 * Use a separate cache indexed by methods to speed things up and to avoid the
4051 * boundless mempool growth caused by the signature_dup stuff below.
4054 cache = get_cache (&method->klass->image->runtime_invoke_vcall_cache, mono_aligned_addr_hash, NULL);
4056 cache = get_cache (&method->klass->image->runtime_invoke_direct_cache, mono_aligned_addr_hash, NULL);
4057 res = mono_marshal_find_in_cache (cache, method);
4061 if (method->klass->rank && (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
4062 (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)) {
4064 * Array Get/Set/Address methods. The JIT implements them using inline code
4065 * so we need to create an invoke wrapper which calls the method directly.
4067 need_direct_wrapper = TRUE;
4070 if (method->string_ctor) {
4071 callsig = lookup_string_ctor_signature (mono_method_signature (method));
4073 callsig = add_string_ctor_signature (method);
4074 /* Can't share this as we push a string as this */
4075 need_direct_wrapper = TRUE;
4077 if (method->klass->valuetype && mono_method_signature (method)->hasthis) {
4079 * Valuetype methods receive a managed pointer as the this argument.
4080 * Create a new signature to reflect this.
4082 callsig = signature_dup_add_this (mono_method_signature (method), method->klass);
4084 if (method->dynamic)
4085 callsig = signature_dup (method->klass->image, mono_method_signature (method));
4087 callsig = mono_method_signature (method);
4092 /* Vtypes/nullables/Byrefs cause too many problems */
4093 for (i = 0; i < callsig->param_count; ++i) {
4094 if (MONO_TYPE_ISSTRUCT (callsig->params [i]) || callsig->params [i]->byref)
4095 need_direct_wrapper = TRUE;
4100 * We try to share runtime invoke wrappers between different methods but have to
4101 * be careful about methods whose klass has a type cctor, since putting the wrapper
4102 * into that klass would mean that calling a method of klass A might invoke the
4103 * type initializer of class B, or throw an exception if the type initializer
4104 * was called before and failed. See #349621 for an example.
4105 * We avoid that for mscorlib methods by putting every wrapper into the object class.
4107 if (method->klass->image == mono_defaults.corlib)
4108 target_klass = mono_defaults.object_class;
4110 /* Try to share wrappers for non-corlib methods with simple signatures */
4111 if (mono_metadata_signature_equal (callsig, cctor_signature)) {
4112 callsig = cctor_signature;
4113 target_klass = mono_defaults.object_class;
4114 } else if (mono_metadata_signature_equal (callsig, finalize_signature)) {
4115 callsig = finalize_signature;
4116 target_klass = mono_defaults.object_class;
4118 // FIXME: This breaks too many things
4120 if (mono_class_get_cctor (method->klass))
4121 need_direct_wrapper = TRUE;
4124 target_klass = get_wrapper_target_class (method->klass->image);
4128 if (need_direct_wrapper) {
4129 /* Already searched at the start */
4131 callsig = mono_marshal_get_runtime_invoke_sig (callsig);
4133 cache = get_cache (&target_klass->image->runtime_invoke_cache,
4134 (GHashFunc)mono_signature_hash,
4135 (GCompareFunc)runtime_invoke_signature_equal);
4137 /* from mono_marshal_find_in_cache */
4138 mono_marshal_lock ();
4139 res = g_hash_table_lookup (cache, callsig);
4140 mono_marshal_unlock ();
4147 // FIXME: When to free callsig ?
4150 /* to make it work with our special string constructors */
4151 if (!string_dummy) {
4152 MONO_GC_REGISTER_ROOT (string_dummy);
4153 string_dummy = mono_string_new_wrapper ("dummy");
4156 sig = mono_method_signature (method);
4158 csig = mono_metadata_signature_alloc (target_klass->image, 4);
4160 csig->ret = &mono_defaults.object_class->byval_arg;
4161 if (method->klass->valuetype && mono_method_signature (method)->hasthis)
4162 csig->params [0] = callsig->params [0];
4164 csig->params [0] = &mono_defaults.object_class->byval_arg;
4165 csig->params [1] = &mono_defaults.int_class->byval_arg;
4166 csig->params [2] = &mono_defaults.int_class->byval_arg;
4167 csig->params [3] = &mono_defaults.int_class->byval_arg;
4169 name = mono_signature_to_name (callsig, virtual ? "runtime_invoke_virtual" : "runtime_invoke");
4170 mb = mono_mb_new (target_klass, name, MONO_WRAPPER_RUNTIME_INVOKE);
4173 /* allocate local 0 (object) tmp */
4174 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4175 /* allocate local 1 (object) exc */
4176 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4178 /* cond set *exc to null */
4179 mono_mb_emit_byte (mb, CEE_LDARG_2);
4180 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
4181 mono_mb_emit_byte (mb, 3);
4182 mono_mb_emit_byte (mb, CEE_LDARG_2);
4183 mono_mb_emit_byte (mb, CEE_LDNULL);
4184 mono_mb_emit_byte (mb, CEE_STIND_REF);
4186 emit_thread_force_interrupt_checkpoint (mb);
4189 g_assert (sig->hasthis);
4190 g_assert (method->flags & METHOD_ATTRIBUTE_VIRTUAL);
4194 if (method->string_ctor) {
4195 mono_mb_emit_ptr (mb, string_dummy);
4197 mono_mb_emit_ldarg (mb, 0);
4201 tmp_nullable_locals = g_new0 (int, sig->param_count);
4203 for (i = 0; i < sig->param_count; i++) {
4204 MonoType *t = sig->params [i];
4207 mono_mb_emit_ldarg (mb, 1);
4209 mono_mb_emit_icon (mb, sizeof (gpointer) * i);
4210 mono_mb_emit_byte (mb, CEE_ADD);
4214 mono_mb_emit_byte (mb, CEE_LDIND_I);
4215 /* A Nullable<T> type don't have a boxed form, it's either null or a boxed T.
4216 * So to make this work we unbox it to a local variablee and push a reference to that.
4218 if (t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t))) {
4219 tmp_nullable_locals [i] = mono_mb_add_local (mb, &mono_class_from_mono_type (t)->byval_arg);
4221 mono_mb_emit_op (mb, CEE_UNBOX_ANY, mono_class_from_mono_type (t));
4222 mono_mb_emit_stloc (mb, tmp_nullable_locals [i]);
4223 mono_mb_emit_ldloc_addr (mb, tmp_nullable_locals [i]);
4228 type = sig->params [i]->type;
4232 case MONO_TYPE_BOOLEAN:
4236 case MONO_TYPE_CHAR:
4245 mono_mb_emit_byte (mb, CEE_LDIND_I);
4246 mono_mb_emit_byte (mb, mono_type_to_ldind (sig->params [i]));
4248 case MONO_TYPE_STRING:
4249 case MONO_TYPE_CLASS:
4250 case MONO_TYPE_ARRAY:
4252 case MONO_TYPE_SZARRAY:
4253 case MONO_TYPE_OBJECT:
4254 mono_mb_emit_byte (mb, mono_type_to_ldind (sig->params [i]));
4256 case MONO_TYPE_GENERICINST:
4257 if (!mono_type_generic_inst_is_valuetype (sig->params [i])) {
4258 mono_mb_emit_byte (mb, mono_type_to_ldind (sig->params [i]));
4263 case MONO_TYPE_VALUETYPE:
4264 if (type == MONO_TYPE_VALUETYPE && t->data.klass->enumtype) {
4265 type = mono_class_enum_basetype (t->data.klass)->type;
4268 mono_mb_emit_byte (mb, CEE_LDIND_I);
4269 if (mono_class_is_nullable (mono_class_from_mono_type (sig->params [i]))) {
4270 /* Need to convert a boxed vtype to an mp to a Nullable struct */
4271 mono_mb_emit_op (mb, CEE_UNBOX, mono_class_from_mono_type (sig->params [i]));
4272 mono_mb_emit_op (mb, CEE_LDOBJ, mono_class_from_mono_type (sig->params [i]));
4274 mono_mb_emit_op (mb, CEE_LDOBJ, mono_class_from_mono_type (sig->params [i]));
4278 g_assert_not_reached ();
4283 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
4284 } else if (need_direct_wrapper) {
4285 mono_mb_emit_op (mb, CEE_CALL, method);
4287 mono_mb_emit_ldarg (mb, 3);
4288 mono_mb_emit_calli (mb, callsig);
4291 if (sig->ret->byref) {
4293 g_assert_not_reached ();
4296 switch (sig->ret->type) {
4297 case MONO_TYPE_VOID:
4298 if (!method->string_ctor)
4299 mono_mb_emit_byte (mb, CEE_LDNULL);
4301 case MONO_TYPE_BOOLEAN:
4302 case MONO_TYPE_CHAR:
4315 case MONO_TYPE_VALUETYPE:
4316 case MONO_TYPE_TYPEDBYREF:
4317 case MONO_TYPE_GENERICINST:
4318 /* box value types */
4319 mono_mb_emit_op (mb, CEE_BOX, mono_class_from_mono_type (sig->ret));
4321 case MONO_TYPE_STRING:
4322 case MONO_TYPE_CLASS:
4323 case MONO_TYPE_ARRAY:
4324 case MONO_TYPE_SZARRAY:
4325 case MONO_TYPE_OBJECT:
4329 /* The result is an IntPtr */
4330 mono_mb_emit_op (mb, CEE_BOX, mono_defaults.int_class);
4333 g_assert_not_reached ();
4336 mono_mb_emit_stloc (mb, 0);
4338 /* Convert back nullable-byref arguments */
4339 for (i = 0; i < sig->param_count; i++) {
4340 MonoType *t = sig->params [i];
4343 * Box the result and put it back into the array, the caller will have
4344 * to obtain it from there.
4346 if (t->byref && t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t))) {
4347 mono_mb_emit_ldarg (mb, 1);
4348 mono_mb_emit_icon (mb, sizeof (gpointer) * i);
4349 mono_mb_emit_byte (mb, CEE_ADD);
4351 mono_mb_emit_ldloc (mb, tmp_nullable_locals [i]);
4352 mono_mb_emit_op (mb, CEE_BOX, mono_class_from_mono_type (t));
4354 mono_mb_emit_byte (mb, CEE_STIND_REF);
4358 pos = mono_mb_emit_branch (mb, CEE_LEAVE);
4360 clause = mono_image_alloc0 (target_klass->image, sizeof (MonoExceptionClause));
4361 clause->flags = MONO_EXCEPTION_CLAUSE_FILTER;
4362 clause->try_len = mono_mb_get_label (mb);
4365 clause->data.filter_offset = mono_mb_get_label (mb);
4367 mono_mb_emit_byte (mb, CEE_POP);
4368 mono_mb_emit_byte (mb, CEE_LDARG_2);
4369 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
4370 mono_mb_emit_byte (mb, CEE_PREFIX1);
4371 mono_mb_emit_byte (mb, CEE_CGT_UN);
4372 mono_mb_emit_byte (mb, CEE_PREFIX1);
4373 mono_mb_emit_byte (mb, CEE_ENDFILTER);
4375 clause->handler_offset = mono_mb_get_label (mb);
4378 /* store exception */
4379 mono_mb_emit_stloc (mb, 1);
4381 mono_mb_emit_byte (mb, CEE_LDARG_2);
4382 mono_mb_emit_ldloc (mb, 1);
4383 mono_mb_emit_byte (mb, CEE_STIND_REF);
4385 mono_mb_emit_byte (mb, CEE_LDNULL);
4386 mono_mb_emit_stloc (mb, 0);
4388 /* Check and reset abort exception */
4389 /* Done in a separate function to reduce code size */
4390 mono_mb_emit_ldloc (mb, 1);
4391 mono_mb_emit_icall (mb, runtime_invoke_reset_abort);
4393 mono_mb_emit_branch (mb, CEE_LEAVE);
4395 clause->handler_len = mono_mb_get_pos (mb) - clause->handler_offset;
4397 mono_mb_set_clauses (mb, 1, clause);
4400 mono_mb_patch_branch (mb, pos);
4401 mono_mb_emit_ldloc (mb, 0);
4402 mono_mb_emit_byte (mb, CEE_RET);
4404 if (need_direct_wrapper) {
4405 mb->skip_visibility = 1;
4406 res = mono_mb_create_and_cache (cache, method, mb, csig, sig->param_count + 16);
4408 /* taken from mono_mb_create_and_cache */
4409 mono_marshal_lock ();
4410 res = g_hash_table_lookup (cache, callsig);
4411 mono_marshal_unlock ();
4413 /* Somebody may have created it before us */
4416 newm = mono_mb_create_method (mb, csig, sig->param_count + 16);
4418 mono_marshal_lock ();
4419 res = g_hash_table_lookup (cache, callsig);
4422 g_hash_table_insert (cache, callsig, res);
4423 /* Can't insert it into wrapper_hash since the key is a signature */
4424 g_hash_table_insert (method->klass->image->runtime_invoke_direct_cache, method, res);
4426 mono_free_method (newm);
4428 mono_marshal_unlock ();
4431 /* end mono_mb_create_and_cache */
4440 mono_mb_emit_auto_layout_exception (MonoMethodBuilder *mb, MonoClass *klass)
4442 char *msg = g_strdup_printf ("The type `%s.%s' layout needs to be Sequential or Explicit",
4443 klass->name_space, klass->name);
4445 mono_mb_emit_exception_marshal_directive (mb, msg);
4449 * mono_marshal_get_ldfld_remote_wrapper:
4450 * @klass: The return type
4452 * This method generates a wrapper for calling mono_load_remote_field_new.
4453 * The return type is ignored for now, as mono_load_remote_field_new () always
4454 * returns an object. In the future, to optimize some codepaths, we might
4455 * call a different function that takes a pointer to a valuetype, instead.
4458 mono_marshal_get_ldfld_remote_wrapper (MonoClass *klass)
4460 MonoMethodSignature *sig, *csig;
4461 MonoMethodBuilder *mb;
4463 static MonoMethod* cached = NULL;
4465 mono_marshal_lock ();
4467 mono_marshal_unlock ();
4470 mono_marshal_unlock ();
4472 mb = mono_mb_new_no_dup_name (mono_defaults.object_class, "__mono_load_remote_field_new_wrapper", MONO_WRAPPER_LDFLD_REMOTE);
4474 mb->method->save_lmf = 1;
4476 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
4477 sig->params [0] = &mono_defaults.object_class->byval_arg;
4478 sig->params [1] = &mono_defaults.int_class->byval_arg;
4479 sig->params [2] = &mono_defaults.int_class->byval_arg;
4480 sig->ret = &mono_defaults.object_class->byval_arg;
4482 mono_mb_emit_ldarg (mb, 0);
4483 mono_mb_emit_ldarg (mb, 1);
4484 mono_mb_emit_ldarg (mb, 2);
4486 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
4487 csig->params [0] = &mono_defaults.object_class->byval_arg;
4488 csig->params [1] = &mono_defaults.int_class->byval_arg;
4489 csig->params [2] = &mono_defaults.int_class->byval_arg;
4490 csig->ret = &mono_defaults.object_class->byval_arg;
4493 mono_mb_emit_native_call (mb, csig, mono_load_remote_field_new);
4494 emit_thread_interrupt_checkpoint (mb);
4496 mono_mb_emit_byte (mb, CEE_RET);
4498 mono_marshal_lock ();
4500 mono_marshal_unlock ();
4503 newm = mono_mb_create_method (mb, sig, 4);
4504 mono_marshal_lock ();
4509 mono_marshal_unlock ();
4511 mono_marshal_unlock ();
4512 mono_free_method (newm);
4521 * mono_marshal_get_ldfld_wrapper:
4522 * @type: the type of the field
4524 * This method generates a function which can be use to load a field with type
4525 * @type from an object. The generated function has the following signature:
4526 * <@type> ldfld_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset)
4529 mono_marshal_get_ldfld_wrapper (MonoType *type)
4531 MonoMethodSignature *sig;
4532 MonoMethodBuilder *mb;
4537 int t, pos0, pos1 = 0;
4539 type = mono_type_get_underlying_type (type);
4544 if (type->type == MONO_TYPE_SZARRAY) {
4545 klass = mono_defaults.array_class;
4546 } else if (type->type == MONO_TYPE_VALUETYPE) {
4547 klass = type->data.klass;
4548 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING) {
4549 klass = mono_defaults.object_class;
4550 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
4551 klass = mono_defaults.int_class;
4552 } else if (t == MONO_TYPE_GENERICINST) {
4553 if (mono_type_generic_inst_is_valuetype (type))
4554 klass = mono_class_from_mono_type (type);
4556 klass = mono_defaults.object_class;
4558 klass = mono_class_from_mono_type (type);
4561 klass = mono_defaults.int_class;
4564 cache = get_cache (&klass->image->ldfld_wrapper_cache, mono_aligned_addr_hash, NULL);
4565 if ((res = mono_marshal_find_in_cache (cache, klass)))
4568 /* we add the %p pointer value of klass because class names are not unique */
4569 name = g_strdup_printf ("__ldfld_wrapper_%p_%s.%s", klass, klass->name_space, klass->name);
4570 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_LDFLD);
4573 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
4574 sig->params [0] = &mono_defaults.object_class->byval_arg;
4575 sig->params [1] = &mono_defaults.int_class->byval_arg;
4576 sig->params [2] = &mono_defaults.int_class->byval_arg;
4577 sig->params [3] = &mono_defaults.int_class->byval_arg;
4578 sig->ret = &klass->byval_arg;
4580 mono_mb_emit_ldarg (mb, 0);
4581 pos0 = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
4583 mono_mb_emit_ldarg (mb, 0);
4584 mono_mb_emit_ldarg (mb, 1);
4585 mono_mb_emit_ldarg (mb, 2);
4587 mono_mb_emit_managed_call (mb, mono_marshal_get_ldfld_remote_wrapper (klass), NULL);
4590 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
4591 csig->params [0] = &mono_defaults.object_class->byval_arg;
4592 csig->params [1] = &mono_defaults.int_class->byval_arg;
4593 csig->params [2] = &mono_defaults.int_class->byval_arg;
4594 csig->ret = &klass->this_arg;
4597 mono_mb_emit_native_call (mb, csig, mono_load_remote_field_new);
4598 emit_thread_interrupt_checkpoint (mb);
4601 if (klass->valuetype) {
4602 mono_mb_emit_op (mb, CEE_UNBOX, klass);
4603 pos1 = mono_mb_emit_branch (mb, CEE_BR);
4605 mono_mb_emit_byte (mb, CEE_RET);
4609 mono_mb_patch_branch (mb, pos0);
4611 mono_mb_emit_ldarg (mb, 0);
4612 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4613 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
4614 mono_mb_emit_ldarg (mb, 3);
4615 mono_mb_emit_byte (mb, CEE_ADD);
4617 if (klass->valuetype)
4618 mono_mb_patch_branch (mb, pos1);
4623 case MONO_TYPE_BOOLEAN:
4624 case MONO_TYPE_CHAR:
4633 case MONO_TYPE_ARRAY:
4634 case MONO_TYPE_SZARRAY:
4635 case MONO_TYPE_OBJECT:
4636 case MONO_TYPE_CLASS:
4637 case MONO_TYPE_STRING:
4641 case MONO_TYPE_FNPTR:
4642 mono_mb_emit_byte (mb, mono_type_to_ldind (type));
4644 case MONO_TYPE_VALUETYPE:
4645 g_assert (!klass->enumtype);
4646 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
4648 case MONO_TYPE_GENERICINST:
4649 if (mono_type_generic_inst_is_valuetype (type)) {
4650 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
4652 mono_mb_emit_byte (mb, CEE_LDIND_REF);
4656 g_warning ("type %x not implemented", type->type);
4657 g_assert_not_reached ();
4660 mono_mb_emit_byte (mb, CEE_RET);
4662 res = mono_mb_create_and_cache (cache, klass,
4663 mb, sig, sig->param_count + 16);
4670 * mono_marshal_get_ldflda_wrapper:
4671 * @type: the type of the field
4673 * This method generates a function which can be used to load a field address
4674 * from an object. The generated function has the following signature:
4675 * gpointer ldflda_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset);
4678 mono_marshal_get_ldflda_wrapper (MonoType *type)
4680 MonoMethodSignature *sig;
4681 MonoMethodBuilder *mb;
4686 int t, pos0, pos1, pos2, pos3;
4688 type = mono_type_get_underlying_type (type);
4692 if (type->type == MONO_TYPE_SZARRAY) {
4693 klass = mono_defaults.array_class;
4694 } else if (type->type == MONO_TYPE_VALUETYPE) {
4695 klass = type->data.klass;
4696 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING ||
4697 t == MONO_TYPE_CLASS) {
4698 klass = mono_defaults.object_class;
4699 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
4700 klass = mono_defaults.int_class;
4701 } else if (t == MONO_TYPE_GENERICINST) {
4702 if (mono_type_generic_inst_is_valuetype (type))
4703 klass = mono_class_from_mono_type (type);
4705 klass = mono_defaults.object_class;
4707 klass = mono_class_from_mono_type (type);
4710 klass = mono_defaults.int_class;
4713 cache = get_cache (&klass->image->ldflda_wrapper_cache, mono_aligned_addr_hash, NULL);
4714 if ((res = mono_marshal_find_in_cache (cache, klass)))
4717 /* we add the %p pointer value of klass because class names are not unique */
4718 name = g_strdup_printf ("__ldflda_wrapper_%p_%s.%s", klass, klass->name_space, klass->name);
4719 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_LDFLDA);
4722 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
4723 sig->params [0] = &mono_defaults.object_class->byval_arg;
4724 sig->params [1] = &mono_defaults.int_class->byval_arg;
4725 sig->params [2] = &mono_defaults.int_class->byval_arg;
4726 sig->params [3] = &mono_defaults.int_class->byval_arg;
4727 sig->ret = &mono_defaults.int_class->byval_arg;
4729 /* if typeof (this) != transparent_proxy goto pos0 */
4730 mono_mb_emit_ldarg (mb, 0);
4731 pos0 = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
4733 /* if same_appdomain goto pos1 */
4734 mono_mb_emit_ldarg (mb, 0);
4735 pos1 = mono_mb_emit_xdomain_check (mb, CEE_BEQ);
4737 mono_mb_emit_exception_full (mb, "System", "InvalidOperationException", "Attempt to load field address from object in another appdomain.");
4739 /* same app domain */
4740 mono_mb_patch_branch (mb, pos1);
4742 /* if typeof (this) != contextbound goto pos2 */
4743 mono_mb_emit_ldarg (mb, 0);
4744 pos2 = mono_mb_emit_contextbound_check (mb, CEE_BEQ);
4746 /* if this->rp->context == mono_context_get goto pos3 */
4747 mono_mb_emit_ldarg (mb, 0);
4748 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
4749 mono_mb_emit_byte (mb, CEE_LDIND_REF);
4750 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoRealProxy, context));
4751 mono_mb_emit_byte (mb, CEE_LDIND_REF);
4752 mono_mb_emit_icall (mb, mono_context_get);
4753 pos3 = mono_mb_emit_branch (mb, CEE_BEQ);
4755 mono_mb_emit_exception_full (mb, "System", "InvalidOperationException", "Attempt to load field address from object in another context.");
4757 mono_mb_patch_branch (mb, pos2);
4758 mono_mb_patch_branch (mb, pos3);
4760 /* return the address of the field from this->rp->unwrapped_server */
4761 mono_mb_emit_ldarg (mb, 0);
4762 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
4763 mono_mb_emit_byte (mb, CEE_LDIND_REF);
4764 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoRealProxy, unwrapped_server));
4765 mono_mb_emit_byte (mb, CEE_LDIND_REF);
4766 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4767 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
4768 mono_mb_emit_ldarg (mb, 3);
4769 mono_mb_emit_byte (mb, CEE_ADD);
4770 mono_mb_emit_byte (mb, CEE_RET);
4772 /* not a proxy: return the address of the field directly */
4773 mono_mb_patch_branch (mb, pos0);
4775 mono_mb_emit_ldarg (mb, 0);
4776 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4777 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
4778 mono_mb_emit_ldarg (mb, 3);
4779 mono_mb_emit_byte (mb, CEE_ADD);
4781 mono_mb_emit_byte (mb, CEE_RET);
4783 res = mono_mb_create_and_cache (cache, klass,
4784 mb, sig, sig->param_count + 16);
4791 * mono_marshal_get_stfld_remote_wrapper:
4792 * klass: The type of the field
4794 * This function generates a wrapper for calling mono_store_remote_field_new
4795 * with the appropriate signature.
4796 * Similarly to mono_marshal_get_ldfld_remote_wrapper () this doesn't depend on the
4797 * klass argument anymore.
4800 mono_marshal_get_stfld_remote_wrapper (MonoClass *klass)
4802 MonoMethodSignature *sig, *csig;
4803 MonoMethodBuilder *mb;
4805 static MonoMethod *cached = NULL;
4807 mono_marshal_lock ();
4809 mono_marshal_unlock ();
4812 mono_marshal_unlock ();
4814 mb = mono_mb_new_no_dup_name (mono_defaults.object_class, "__mono_store_remote_field_new_wrapper", MONO_WRAPPER_STFLD_REMOTE);
4816 mb->method->save_lmf = 1;
4818 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
4819 sig->params [0] = &mono_defaults.object_class->byval_arg;
4820 sig->params [1] = &mono_defaults.int_class->byval_arg;
4821 sig->params [2] = &mono_defaults.int_class->byval_arg;
4822 sig->params [3] = &mono_defaults.object_class->byval_arg;
4823 sig->ret = &mono_defaults.void_class->byval_arg;
4825 mono_mb_emit_ldarg (mb, 0);
4826 mono_mb_emit_ldarg (mb, 1);
4827 mono_mb_emit_ldarg (mb, 2);
4828 mono_mb_emit_ldarg (mb, 3);
4830 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
4831 csig->params [0] = &mono_defaults.object_class->byval_arg;
4832 csig->params [1] = &mono_defaults.int_class->byval_arg;
4833 csig->params [2] = &mono_defaults.int_class->byval_arg;
4834 csig->params [3] = &mono_defaults.object_class->byval_arg;
4835 csig->ret = &mono_defaults.void_class->byval_arg;
4838 mono_mb_emit_native_call (mb, csig, mono_store_remote_field_new);
4839 emit_thread_interrupt_checkpoint (mb);
4841 mono_mb_emit_byte (mb, CEE_RET);
4843 mono_marshal_lock ();
4845 mono_marshal_unlock ();
4848 newm = mono_mb_create_method (mb, sig, 6);
4849 mono_marshal_lock ();
4854 mono_marshal_unlock ();
4856 mono_marshal_unlock ();
4857 mono_free_method (newm);
4866 * mono_marshal_get_stfld_wrapper:
4867 * @type: the type of the field
4869 * This method generates a function which can be use to store a field with type
4870 * @type. The generated function has the following signature:
4871 * void stfld_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset, <@type> val)
4874 mono_marshal_get_stfld_wrapper (MonoType *type)
4876 MonoMethodSignature *sig;
4877 MonoMethodBuilder *mb;
4884 type = mono_type_get_underlying_type (type);
4888 if (type->type == MONO_TYPE_SZARRAY) {
4889 klass = mono_defaults.array_class;
4890 } else if (type->type == MONO_TYPE_VALUETYPE) {
4891 klass = type->data.klass;
4892 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING) {
4893 klass = mono_defaults.object_class;
4894 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
4895 klass = mono_defaults.int_class;
4896 } else if (t == MONO_TYPE_GENERICINST) {
4897 if (mono_type_generic_inst_is_valuetype (type))
4898 klass = mono_class_from_mono_type (type);
4900 klass = mono_defaults.object_class;
4902 klass = mono_class_from_mono_type (type);
4905 klass = mono_defaults.int_class;
4908 cache = get_cache (&klass->image->stfld_wrapper_cache, mono_aligned_addr_hash, NULL);
4909 if ((res = mono_marshal_find_in_cache (cache, klass)))
4912 /* we add the %p pointer value of klass because class names are not unique */
4913 name = g_strdup_printf ("__stfld_wrapper_%p_%s.%s", klass, klass->name_space, klass->name);
4914 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_STFLD);
4917 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 5);
4918 sig->params [0] = &mono_defaults.object_class->byval_arg;
4919 sig->params [1] = &mono_defaults.int_class->byval_arg;
4920 sig->params [2] = &mono_defaults.int_class->byval_arg;
4921 sig->params [3] = &mono_defaults.int_class->byval_arg;
4922 sig->params [4] = &klass->byval_arg;
4923 sig->ret = &mono_defaults.void_class->byval_arg;
4925 mono_mb_emit_ldarg (mb, 0);
4926 pos = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
4928 mono_mb_emit_ldarg (mb, 0);
4929 mono_mb_emit_ldarg (mb, 1);
4930 mono_mb_emit_ldarg (mb, 2);
4931 mono_mb_emit_ldarg (mb, 4);
4932 if (klass->valuetype)
4933 mono_mb_emit_op (mb, CEE_BOX, klass);
4935 mono_mb_emit_managed_call (mb, mono_marshal_get_stfld_remote_wrapper (klass), NULL);
4937 mono_mb_emit_byte (mb, CEE_RET);
4939 mono_mb_patch_branch (mb, pos);
4941 mono_mb_emit_ldarg (mb, 0);
4942 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4943 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
4944 mono_mb_emit_ldarg (mb, 3);
4945 mono_mb_emit_byte (mb, CEE_ADD);
4946 mono_mb_emit_ldarg (mb, 4);
4951 case MONO_TYPE_BOOLEAN:
4952 case MONO_TYPE_CHAR:
4961 case MONO_TYPE_ARRAY:
4962 case MONO_TYPE_SZARRAY:
4963 case MONO_TYPE_OBJECT:
4964 case MONO_TYPE_CLASS:
4965 case MONO_TYPE_STRING:
4969 case MONO_TYPE_FNPTR:
4970 mono_mb_emit_byte (mb, mono_type_to_stind (type));
4972 case MONO_TYPE_VALUETYPE:
4973 g_assert (!klass->enumtype);
4974 mono_mb_emit_op (mb, CEE_STOBJ, klass);
4976 case MONO_TYPE_GENERICINST:
4977 mono_mb_emit_op (mb, CEE_STOBJ, klass);
4980 g_warning ("type %x not implemented", type->type);
4981 g_assert_not_reached ();
4984 mono_mb_emit_byte (mb, CEE_RET);
4986 res = mono_mb_create_and_cache (cache, klass,
4987 mb, sig, sig->param_count + 16);
4994 * generates IL code for the icall wrapper (the generated method
4995 * calls the unmanaged code in func)
4998 mono_marshal_get_icall_wrapper (MonoMethodSignature *sig, const char *name, gconstpointer func, gboolean check_exceptions)
5000 MonoMethodSignature *csig;
5001 MonoMethodBuilder *mb;
5005 g_assert (sig->pinvoke);
5007 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_MANAGED_TO_NATIVE);
5009 mb->method->save_lmf = 1;
5011 /* we copy the signature, so that we can modify it */
5014 mono_mb_emit_byte (mb, CEE_LDARG_0);
5016 for (i = 0; i < sig->param_count; i++)
5017 mono_mb_emit_ldarg (mb, i + sig->hasthis);
5019 mono_mb_emit_native_call (mb, sig, (gpointer) func);
5020 if (check_exceptions)
5021 emit_thread_interrupt_checkpoint (mb);
5022 mono_mb_emit_byte (mb, CEE_RET);
5024 csig = signature_dup (mono_defaults.corlib, sig);
5026 if (csig->call_convention == MONO_CALL_VARARG)
5027 csig->call_convention = 0;
5029 res = mono_mb_create_method (mb, csig, csig->param_count + 16);
5036 emit_marshal_custom (EmitMarshalContext *m, int argnum, MonoType *t,
5037 MonoMarshalSpec *spec,
5038 int conv_arg, MonoType **conv_arg_type,
5039 MarshalAction action)
5043 static MonoClass *ICustomMarshaler = NULL;
5044 static MonoMethod *cleanup_native, *cleanup_managed;
5045 static MonoMethod *marshal_managed_to_native, *marshal_native_to_managed;
5046 MonoMethod *get_instance;
5047 MonoMethodBuilder *mb = m->mb;
5048 char *exception_msg = NULL;
5052 if (!ICustomMarshaler) {
5053 ICustomMarshaler = mono_class_from_name (mono_defaults.corlib, "System.Runtime.InteropServices", "ICustomMarshaler");
5054 g_assert (ICustomMarshaler);
5056 cleanup_native = mono_class_get_method_from_name (ICustomMarshaler, "CleanUpNativeData", 1);
5057 g_assert (cleanup_native);
5058 cleanup_managed = mono_class_get_method_from_name (ICustomMarshaler, "CleanUpManagedData", 1);
5059 g_assert (cleanup_managed);
5060 marshal_managed_to_native = mono_class_get_method_from_name (ICustomMarshaler, "MarshalManagedToNative", 1);
5061 g_assert (marshal_managed_to_native);
5062 marshal_native_to_managed = mono_class_get_method_from_name (ICustomMarshaler, "MarshalNativeToManaged", 1);
5063 g_assert (marshal_native_to_managed);
5066 mtype = mono_reflection_type_from_name (spec->data.custom_data.custom_name, m->image);
5067 g_assert (mtype != NULL);
5068 mklass = mono_class_from_mono_type (mtype);
5069 g_assert (mklass != NULL);
5071 if (!mono_class_is_assignable_from (ICustomMarshaler, mklass))
5072 exception_msg = g_strdup_printf ("Custom marshaler '%s' does not implement the ICustomMarshaler interface.", mklass->name);
5074 get_instance = mono_class_get_method_from_name_flags (mklass, "GetInstance", 1, METHOD_ATTRIBUTE_STATIC);
5076 MonoMethodSignature *get_sig = mono_method_signature (get_instance);
5077 if ((get_sig->ret->type != MONO_TYPE_CLASS) ||
5078 (mono_class_from_mono_type (get_sig->ret) != ICustomMarshaler) ||
5079 (get_sig->params [0]->type != MONO_TYPE_STRING))
5080 get_instance = NULL;
5084 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);
5086 /* Throw exception and emit compensation code if neccesary */
5087 if (exception_msg) {
5089 case MARSHAL_ACTION_CONV_IN:
5090 case MARSHAL_ACTION_CONV_RESULT:
5091 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
5092 if ((action == MARSHAL_ACTION_CONV_RESULT) || (action == MARSHAL_ACTION_MANAGED_CONV_RESULT))
5093 mono_mb_emit_byte (mb, CEE_POP);
5095 mono_mb_emit_exception_full (mb, "System", "ApplicationException", exception_msg);
5096 g_free (exception_msg);
5099 case MARSHAL_ACTION_PUSH:
5100 mono_mb_emit_byte (mb, CEE_LDNULL);
5108 /* FIXME: MS.NET seems to create one instance for each klass + cookie pair */
5109 /* FIXME: MS.NET throws an exception if GetInstance returns null */
5112 case MARSHAL_ACTION_CONV_IN:
5114 case MONO_TYPE_CLASS:
5115 case MONO_TYPE_OBJECT:
5116 case MONO_TYPE_STRING:
5117 case MONO_TYPE_ARRAY:
5118 case MONO_TYPE_SZARRAY:
5119 case MONO_TYPE_VALUETYPE:
5123 g_warning ("custom marshalling of type %x is currently not supported", t->type);
5124 g_assert_not_reached ();
5128 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5130 mono_mb_emit_byte (mb, CEE_LDNULL);
5131 mono_mb_emit_stloc (mb, conv_arg);
5133 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT))
5136 /* Minic MS.NET behavior */
5137 if (!t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT) && !(t->attrs & PARAM_ATTRIBUTE_IN))
5140 /* Check for null */
5141 mono_mb_emit_ldarg (mb, argnum);
5143 mono_mb_emit_byte (mb, CEE_LDIND_I);
5144 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5146 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5148 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5150 mono_mb_emit_ldarg (mb, argnum);
5152 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5154 if (t->type == MONO_TYPE_VALUETYPE) {
5156 * Since we can't determine the type of the argument, we
5157 * will assume the unmanaged function takes a pointer.
5159 *conv_arg_type = &mono_defaults.int_class->byval_arg;
5161 mono_mb_emit_op (mb, CEE_BOX, mono_class_from_mono_type (t));
5164 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_managed_to_native);
5165 mono_mb_emit_stloc (mb, conv_arg);
5167 mono_mb_patch_branch (mb, pos2);
5170 case MARSHAL_ACTION_CONV_OUT:
5171 /* Check for null */
5172 mono_mb_emit_ldloc (mb, conv_arg);
5173 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5176 mono_mb_emit_ldarg (mb, argnum);
5178 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5180 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5182 mono_mb_emit_ldloc (mb, conv_arg);
5183 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
5184 mono_mb_emit_byte (mb, CEE_STIND_REF);
5185 } else if (t->attrs & PARAM_ATTRIBUTE_OUT) {
5186 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5188 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5190 mono_mb_emit_ldloc (mb, conv_arg);
5191 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
5193 /* We have nowhere to store the result */
5194 mono_mb_emit_byte (mb, CEE_POP);
5197 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5199 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5201 mono_mb_emit_ldloc (mb, conv_arg);
5203 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_native);
5205 mono_mb_patch_branch (mb, pos2);
5208 case MARSHAL_ACTION_PUSH:
5210 mono_mb_emit_ldloc_addr (mb, conv_arg);
5212 mono_mb_emit_ldloc (mb, conv_arg);
5215 case MARSHAL_ACTION_CONV_RESULT:
5216 loc1 = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5218 mono_mb_emit_stloc (mb, 3);
5220 mono_mb_emit_ldloc (mb, 3);
5221 mono_mb_emit_stloc (mb, loc1);
5223 /* Check for null */
5224 mono_mb_emit_ldloc (mb, 3);
5225 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5227 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5229 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5230 mono_mb_emit_byte (mb, CEE_DUP);
5232 mono_mb_emit_ldloc (mb, 3);
5233 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
5234 mono_mb_emit_stloc (mb, 3);
5236 mono_mb_emit_ldloc (mb, loc1);
5237 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_native);
5239 mono_mb_patch_branch (mb, pos2);
5242 case MARSHAL_ACTION_MANAGED_CONV_IN:
5243 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
5245 mono_mb_emit_byte (mb, CEE_LDNULL);
5246 mono_mb_emit_stloc (mb, conv_arg);
5248 if (t->byref && t->attrs & PARAM_ATTRIBUTE_OUT)
5251 /* Check for null */
5252 mono_mb_emit_ldarg (mb, argnum);
5254 mono_mb_emit_byte (mb, CEE_LDIND_I);
5255 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5257 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5258 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5260 mono_mb_emit_ldarg (mb, argnum);
5262 mono_mb_emit_byte (mb, CEE_LDIND_I);
5264 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
5265 mono_mb_emit_stloc (mb, conv_arg);
5267 mono_mb_patch_branch (mb, pos2);
5270 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
5271 g_assert (!t->byref);
5273 loc1 = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
5275 mono_mb_emit_stloc (mb, 3);
5277 mono_mb_emit_ldloc (mb, 3);
5278 mono_mb_emit_stloc (mb, loc1);
5280 /* Check for null */
5281 mono_mb_emit_ldloc (mb, 3);
5282 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5284 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5285 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5286 mono_mb_emit_byte (mb, CEE_DUP);
5288 mono_mb_emit_ldloc (mb, 3);
5289 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_managed_to_native);
5290 mono_mb_emit_stloc (mb, 3);
5292 mono_mb_emit_ldloc (mb, loc1);
5293 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_managed);
5295 mono_mb_patch_branch (mb, pos2);
5298 case MARSHAL_ACTION_MANAGED_CONV_OUT:
5300 /* Check for null */
5301 mono_mb_emit_ldloc (mb, conv_arg);
5302 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5305 mono_mb_emit_ldarg (mb, argnum);
5307 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5309 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5311 mono_mb_emit_ldloc (mb, conv_arg);
5312 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_managed_to_native);
5313 mono_mb_emit_byte (mb, CEE_STIND_I);
5316 /* Call CleanUpManagedData */
5317 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5319 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5321 mono_mb_emit_ldloc (mb, conv_arg);
5322 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_managed);
5324 mono_mb_patch_branch (mb, pos2);
5328 g_assert_not_reached ();
5335 emit_marshal_asany (EmitMarshalContext *m, int argnum, MonoType *t,
5336 MonoMarshalSpec *spec,
5337 int conv_arg, MonoType **conv_arg_type,
5338 MarshalAction action)
5340 MonoMethodBuilder *mb = m->mb;
5343 case MARSHAL_ACTION_CONV_IN: {
5344 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, NULL);
5346 g_assert (t->type == MONO_TYPE_OBJECT);
5347 g_assert (!t->byref);
5349 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5350 mono_mb_emit_ldarg (mb, argnum);
5351 mono_mb_emit_icon (mb, encoding);
5352 mono_mb_emit_icon (mb, t->attrs);
5353 mono_mb_emit_icall (mb, mono_marshal_asany);
5354 mono_mb_emit_stloc (mb, conv_arg);
5358 case MARSHAL_ACTION_PUSH:
5359 mono_mb_emit_ldloc (mb, conv_arg);
5362 case MARSHAL_ACTION_CONV_OUT: {
5363 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, NULL);
5365 mono_mb_emit_ldarg (mb, argnum);
5366 mono_mb_emit_ldloc (mb, conv_arg);
5367 mono_mb_emit_icon (mb, encoding);
5368 mono_mb_emit_icon (mb, t->attrs);
5369 mono_mb_emit_icall (mb, mono_marshal_free_asany);
5374 g_assert_not_reached ();
5381 emit_marshal_vtype (EmitMarshalContext *m, int argnum, MonoType *t,
5382 MonoMarshalSpec *spec,
5383 int conv_arg, MonoType **conv_arg_type,
5384 MarshalAction action)
5386 MonoMethodBuilder *mb = m->mb;
5390 klass = mono_class_from_mono_type (t);
5393 case MARSHAL_ACTION_CONV_IN:
5394 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
5395 klass->blittable || klass->enumtype)
5398 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5400 /* store the address of the source into local variable 0 */
5402 mono_mb_emit_ldarg (mb, argnum);
5404 mono_mb_emit_ldarg_addr (mb, argnum);
5406 mono_mb_emit_stloc (mb, 0);
5408 /* allocate space for the native struct and
5409 * store the address into local variable 1 (dest) */
5410 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
5411 mono_mb_emit_byte (mb, CEE_PREFIX1);
5412 mono_mb_emit_byte (mb, CEE_LOCALLOC);
5413 mono_mb_emit_stloc (mb, conv_arg);
5416 mono_mb_emit_ldloc (mb, 0);
5417 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
5420 if (!(t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && (t->attrs & PARAM_ATTRIBUTE_OUT))) {
5422 mono_mb_emit_ldloc (mb, conv_arg);
5423 mono_mb_emit_stloc (mb, 1);
5425 /* emit valuetype conversion code */
5426 emit_struct_conv (mb, klass, FALSE);
5430 mono_mb_patch_branch (mb, pos);
5433 case MARSHAL_ACTION_PUSH:
5434 if (spec && spec->native == MONO_NATIVE_LPSTRUCT) {
5436 g_assert (!t->byref);
5438 /* Have to change the signature since the vtype is passed byref */
5439 m->csig->params [argnum - m->csig->hasthis] = &mono_defaults.int_class->byval_arg;
5441 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
5442 klass->blittable || klass->enumtype)
5443 mono_mb_emit_ldarg_addr (mb, argnum);
5445 mono_mb_emit_ldloc (mb, conv_arg);
5449 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
5450 klass->blittable || klass->enumtype) {
5451 mono_mb_emit_ldarg (mb, argnum);
5454 mono_mb_emit_ldloc (mb, conv_arg);
5456 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5457 mono_mb_emit_op (mb, CEE_MONO_LDNATIVEOBJ, klass);
5461 case MARSHAL_ACTION_CONV_OUT:
5462 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
5463 klass->blittable || klass->enumtype)
5467 /* dst = argument */
5468 mono_mb_emit_ldarg (mb, argnum);
5469 mono_mb_emit_stloc (mb, 1);
5471 mono_mb_emit_ldloc (mb, 1);
5472 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
5474 if (!((t->attrs & PARAM_ATTRIBUTE_IN) && !(t->attrs & PARAM_ATTRIBUTE_OUT))) {
5475 /* src = tmp_locals [i] */
5476 mono_mb_emit_ldloc (mb, conv_arg);
5477 mono_mb_emit_stloc (mb, 0);
5479 /* emit valuetype conversion code */
5480 emit_struct_conv (mb, klass, TRUE);
5484 emit_struct_free (mb, klass, conv_arg);
5487 mono_mb_patch_branch (mb, pos);
5490 case MARSHAL_ACTION_CONV_RESULT:
5491 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
5493 mono_mb_emit_stloc (mb, 3);
5496 /* load pointer to returned value type */
5497 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5498 mono_mb_emit_byte (mb, CEE_MONO_VTADDR);
5499 /* store the address of the source into local variable 0 */
5500 mono_mb_emit_stloc (mb, 0);
5502 mono_mb_emit_ldloc_addr (mb, 3);
5503 mono_mb_emit_stloc (mb, 1);
5505 /* emit valuetype conversion code */
5506 emit_struct_conv (mb, klass, TRUE);
5509 case MARSHAL_ACTION_MANAGED_CONV_IN:
5510 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
5511 klass->blittable || klass->enumtype) {
5516 conv_arg = mono_mb_add_local (mb, &klass->byval_arg);
5518 if (t->attrs & PARAM_ATTRIBUTE_OUT)
5522 mono_mb_emit_ldarg (mb, argnum);
5524 mono_mb_emit_ldarg_addr (mb, argnum);
5525 mono_mb_emit_stloc (mb, 0);
5528 mono_mb_emit_ldloc (mb, 0);
5529 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
5532 mono_mb_emit_ldloc_addr (mb, conv_arg);
5533 mono_mb_emit_stloc (mb, 1);
5535 /* emit valuetype conversion code */
5536 emit_struct_conv (mb, klass, TRUE);
5539 mono_mb_patch_branch (mb, pos);
5542 case MARSHAL_ACTION_MANAGED_CONV_OUT:
5543 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
5544 klass->blittable || klass->enumtype) {
5548 /* Check for null */
5549 mono_mb_emit_ldarg (mb, argnum);
5550 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5553 mono_mb_emit_ldloc_addr (mb, conv_arg);
5554 mono_mb_emit_stloc (mb, 0);
5557 mono_mb_emit_ldarg (mb, argnum);
5558 mono_mb_emit_stloc (mb, 1);
5560 /* emit valuetype conversion code */
5561 emit_struct_conv (mb, klass, FALSE);
5563 mono_mb_patch_branch (mb, pos2);
5566 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
5567 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
5568 klass->blittable || klass->enumtype) {
5569 mono_mb_emit_stloc (mb, 3);
5574 /* load pointer to returned value type */
5575 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5576 mono_mb_emit_byte (mb, CEE_MONO_VTADDR);
5578 /* store the address of the source into local variable 0 */
5579 mono_mb_emit_stloc (mb, 0);
5580 /* allocate space for the native struct and
5581 * store the address into dst_ptr */
5582 m->retobj_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5583 m->retobj_class = klass;
5584 g_assert (m->retobj_var);
5585 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
5586 mono_mb_emit_byte (mb, CEE_CONV_I);
5587 mono_mb_emit_icall (mb, mono_marshal_alloc);
5588 mono_mb_emit_stloc (mb, 1);
5589 mono_mb_emit_ldloc (mb, 1);
5590 mono_mb_emit_stloc (mb, m->retobj_var);
5592 /* emit valuetype conversion code */
5593 emit_struct_conv (mb, klass, FALSE);
5597 g_assert_not_reached ();
5604 emit_marshal_string (EmitMarshalContext *m, int argnum, MonoType *t,
5605 MonoMarshalSpec *spec,
5606 int conv_arg, MonoType **conv_arg_type,
5607 MarshalAction action)
5609 MonoMethodBuilder *mb = m->mb;
5610 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
5611 MonoMarshalConv conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
5615 case MARSHAL_ACTION_CONV_IN:
5616 *conv_arg_type = &mono_defaults.int_class->byval_arg;
5617 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5620 if (t->attrs & PARAM_ATTRIBUTE_OUT)
5623 mono_mb_emit_ldarg (mb, argnum);
5624 mono_mb_emit_byte (mb, CEE_LDIND_I);
5626 mono_mb_emit_ldarg (mb, argnum);
5630 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
5631 MonoException *exc = mono_get_exception_not_implemented (msg);
5632 g_warning ("%s", msg);
5634 mono_raise_exception (exc);
5637 mono_mb_emit_icall (mb, conv_to_icall (conv));
5639 mono_mb_emit_stloc (mb, conv_arg);
5642 case MARSHAL_ACTION_CONV_OUT:
5643 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
5645 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
5646 mono_mb_emit_exception_marshal_directive (mb, msg);
5650 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT)) {
5651 mono_mb_emit_ldarg (mb, argnum);
5652 mono_mb_emit_ldloc (mb, conv_arg);
5653 mono_mb_emit_icall (mb, conv_to_icall (conv));
5654 mono_mb_emit_byte (mb, CEE_STIND_REF);
5657 if (need_free || (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT))) {
5658 mono_mb_emit_ldloc (mb, conv_arg);
5659 if (conv == MONO_MARSHAL_CONV_BSTR_STR)
5660 mono_mb_emit_icall (mb, mono_free_bstr);
5662 mono_mb_emit_icall (mb, mono_marshal_free);
5666 case MARSHAL_ACTION_PUSH:
5668 mono_mb_emit_ldloc_addr (mb, conv_arg);
5670 mono_mb_emit_ldloc (mb, conv_arg);
5673 case MARSHAL_ACTION_CONV_RESULT:
5674 mono_mb_emit_stloc (mb, 0);
5676 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
5678 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
5679 mono_mb_emit_exception_marshal_directive (mb, msg);
5683 mono_mb_emit_ldloc (mb, 0);
5684 mono_mb_emit_icall (mb, conv_to_icall (conv));
5685 mono_mb_emit_stloc (mb, 3);
5687 /* free the string */
5688 mono_mb_emit_ldloc (mb, 0);
5689 if (conv == MONO_MARSHAL_CONV_BSTR_STR)
5690 mono_mb_emit_icall (mb, mono_free_bstr);
5692 mono_mb_emit_icall (mb, mono_marshal_free);
5695 case MARSHAL_ACTION_MANAGED_CONV_IN:
5696 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
5698 *conv_arg_type = &mono_defaults.int_class->byval_arg;
5700 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
5702 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
5703 mono_mb_emit_exception_marshal_directive (mb, msg);
5707 mono_mb_emit_ldarg (mb, argnum);
5709 mono_mb_emit_byte (mb, CEE_LDIND_I);
5710 mono_mb_emit_icall (mb, conv_to_icall (conv));
5711 mono_mb_emit_stloc (mb, conv_arg);
5714 case MARSHAL_ACTION_MANAGED_CONV_OUT:
5717 mono_mb_emit_ldarg (mb, argnum);
5718 mono_mb_emit_ldloc (mb, conv_arg);
5719 mono_mb_emit_icall (mb, conv_to_icall (conv));
5720 mono_mb_emit_byte (mb, CEE_STIND_I);
5725 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
5726 if (conv_to_icall (conv) == mono_marshal_string_to_utf16)
5727 /* We need to make a copy so the caller is able to free it */
5728 mono_mb_emit_icall (mb, mono_marshal_string_to_utf16_copy);
5730 mono_mb_emit_icall (mb, conv_to_icall (conv));
5731 mono_mb_emit_stloc (mb, 3);
5735 g_assert_not_reached ();
5742 emit_marshal_safehandle (EmitMarshalContext *m, int argnum, MonoType *t,
5743 MonoMarshalSpec *spec, int conv_arg,
5744 MonoType **conv_arg_type, MarshalAction action)
5746 MonoMethodBuilder *mb = m->mb;
5749 case MARSHAL_ACTION_CONV_IN: {
5750 MonoType *intptr_type;
5751 int dar_release_slot, pos;
5753 intptr_type = &mono_defaults.int_class->byval_arg;
5754 conv_arg = mono_mb_add_local (mb, intptr_type);
5755 *conv_arg_type = intptr_type;
5757 if (!sh_dangerous_add_ref)
5758 init_safe_handle ();
5760 mono_mb_emit_ldarg (mb, argnum);
5761 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
5762 mono_mb_emit_exception (mb, "ArgumentNullException", NULL);
5764 mono_mb_patch_branch (mb, pos);
5767 * My tests in show that ref SafeHandles are not really
5768 * passed as ref objects. Instead a NULL is passed as the
5771 mono_mb_emit_icon (mb, 0);
5772 mono_mb_emit_stloc (mb, conv_arg);
5776 /* Create local to hold the ref parameter to DangerousAddRef */
5777 dar_release_slot = mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
5779 /* set release = false; */
5780 mono_mb_emit_icon (mb, 0);
5781 mono_mb_emit_stloc (mb, dar_release_slot);
5783 /* safehandle.DangerousAddRef (ref release) */
5784 mono_mb_emit_ldarg (mb, argnum);
5785 mono_mb_emit_ldloc_addr (mb, dar_release_slot);
5786 mono_mb_emit_managed_call (mb, sh_dangerous_add_ref, NULL);
5788 /* Pull the handle field from SafeHandle */
5789 mono_mb_emit_ldarg (mb, argnum);
5790 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoSafeHandle, handle));
5791 mono_mb_emit_byte (mb, CEE_LDIND_I);
5792 mono_mb_emit_stloc (mb, conv_arg);
5797 case MARSHAL_ACTION_PUSH:
5799 mono_mb_emit_ldloc_addr (mb, conv_arg);
5801 mono_mb_emit_ldloc (mb, conv_arg);
5804 case MARSHAL_ACTION_CONV_OUT: {
5805 /* The slot for the boolean is the next temporary created after conv_arg, see the CONV_IN code */
5806 int dar_release_slot = conv_arg + 1;
5809 if (!sh_dangerous_release)
5810 init_safe_handle ();
5816 * My tests indicate that ref SafeHandles parameters are not actually
5817 * passed by ref, but instead a new Handle is created regardless of
5818 * whether a change happens in the unmanaged side.
5820 * Also, the Handle is created before calling into unmanaged code,
5821 * but we do not support that mechanism (getting to the original
5822 * handle) and it makes no difference where we create this
5824 ctor = mono_class_get_method_from_name (t->data.klass, ".ctor", 0);
5826 mono_mb_emit_exception (mb, "MissingMethodException", "paramterless constructor required");
5829 /* refval = new SafeHandleDerived ()*/
5830 mono_mb_emit_ldarg (mb, argnum);
5831 mono_mb_emit_op (mb, CEE_NEWOBJ, ctor);
5832 mono_mb_emit_byte (mb, CEE_STIND_REF);
5834 /* refval.handle = returned_handle */
5835 mono_mb_emit_ldarg (mb, argnum);
5836 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5837 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoSafeHandle, handle));
5838 mono_mb_emit_ldloc (mb, conv_arg);
5839 mono_mb_emit_byte (mb, CEE_STIND_I);
5841 mono_mb_emit_ldloc (mb, dar_release_slot);
5842 label_next = mono_mb_emit_branch (mb, CEE_BRFALSE);
5843 mono_mb_emit_ldarg (mb, argnum);
5844 mono_mb_emit_managed_call (mb, sh_dangerous_release, NULL);
5845 mono_mb_patch_branch (mb, label_next);
5850 case MARSHAL_ACTION_CONV_RESULT: {
5851 MonoMethod *ctor = NULL;
5852 int intptr_handle_slot;
5854 if (t->data.klass->flags & TYPE_ATTRIBUTE_ABSTRACT){
5855 mono_mb_emit_byte (mb, CEE_POP);
5856 mono_mb_emit_exception_marshal_directive (mb, "Returned SafeHandles should not be abstract");
5860 ctor = mono_class_get_method_from_name (t->data.klass, ".ctor", 0);
5862 mono_mb_emit_byte (mb, CEE_POP);
5863 mono_mb_emit_exception (mb, "MissingMethodException", "paramterless constructor required");
5866 /* Store the IntPtr results into a local */
5867 intptr_handle_slot = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5868 mono_mb_emit_stloc (mb, intptr_handle_slot);
5870 /* Create return value */
5871 mono_mb_emit_op (mb, CEE_NEWOBJ, ctor);
5872 mono_mb_emit_stloc (mb, 3);
5874 /* Set the return.handle to the value, am using ldflda, not sure if thats a good idea */
5875 mono_mb_emit_ldloc (mb, 3);
5876 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoSafeHandle, handle));
5877 mono_mb_emit_ldloc (mb, intptr_handle_slot);
5878 mono_mb_emit_byte (mb, CEE_STIND_I);
5882 case MARSHAL_ACTION_MANAGED_CONV_IN:
5883 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_IN\n");
5886 case MARSHAL_ACTION_MANAGED_CONV_OUT:
5887 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_OUT\n");
5890 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
5891 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_RESULT\n");
5894 printf ("Unhandled case for MarshalAction: %d\n", action);
5901 emit_marshal_handleref (EmitMarshalContext *m, int argnum, MonoType *t,
5902 MonoMarshalSpec *spec, int conv_arg,
5903 MonoType **conv_arg_type, MarshalAction action)
5905 MonoMethodBuilder *mb = m->mb;
5908 case MARSHAL_ACTION_CONV_IN: {
5909 MonoType *intptr_type;
5911 intptr_type = &mono_defaults.int_class->byval_arg;
5912 conv_arg = mono_mb_add_local (mb, intptr_type);
5913 *conv_arg_type = intptr_type;
5916 mono_mb_emit_exception_marshal_directive (mb,
5917 "HandleRefs can not be returned from unmanaged code (or passed by ref)");
5920 mono_mb_emit_ldarg_addr (mb, argnum);
5921 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoHandleRef, handle));
5922 mono_mb_emit_byte (mb, CEE_ADD);
5923 mono_mb_emit_byte (mb, CEE_LDIND_I);
5924 mono_mb_emit_stloc (mb, conv_arg);
5928 case MARSHAL_ACTION_PUSH:
5929 mono_mb_emit_ldloc (mb, conv_arg);
5932 case MARSHAL_ACTION_CONV_OUT: {
5933 /* no resource release required */
5937 case MARSHAL_ACTION_CONV_RESULT: {
5938 mono_mb_emit_exception_marshal_directive (mb,
5939 "HandleRefs can not be returned from unmanaged code (or passed by ref)");
5943 case MARSHAL_ACTION_MANAGED_CONV_IN:
5944 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_IN\n");
5947 case MARSHAL_ACTION_MANAGED_CONV_OUT:
5948 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_OUT\n");
5951 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
5952 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_RESULT\n");
5955 fprintf (stderr, "Unhandled case for MarshalAction: %d\n", action);
5962 emit_marshal_object (EmitMarshalContext *m, int argnum, MonoType *t,
5963 MonoMarshalSpec *spec,
5964 int conv_arg, MonoType **conv_arg_type,
5965 MarshalAction action)
5967 MonoMethodBuilder *mb = m->mb;
5968 MonoClass *klass = mono_class_from_mono_type (t);
5972 case MARSHAL_ACTION_CONV_IN:
5973 *conv_arg_type = &mono_defaults.int_class->byval_arg;
5974 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5976 m->orig_conv_args [argnum] = 0;
5978 if (mono_class_from_mono_type (t) == mono_defaults.object_class) {
5979 char *msg = g_strdup_printf ("Marshalling of type object is not implemented");
5980 mono_mb_emit_exception_marshal_directive (mb, msg);
5984 if (klass->delegate) {
5986 if (!(t->attrs & PARAM_ATTRIBUTE_OUT)) {
5987 char *msg = g_strdup_printf ("Byref marshalling of delegates is not implemented.");
5988 mono_mb_emit_exception_marshal_directive (mb, msg);
5990 mono_mb_emit_byte (mb, CEE_LDNULL);
5991 mono_mb_emit_stloc (mb, conv_arg);
5993 mono_mb_emit_ldarg (mb, argnum);
5994 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_DEL_FTN));
5995 mono_mb_emit_stloc (mb, conv_arg);
5997 } else if (klass == mono_defaults.stringbuilder_class) {
5998 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
5999 MonoMarshalConv conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
6001 g_assert (!t->byref);
6002 mono_mb_emit_ldarg (mb, argnum);
6005 mono_mb_emit_icall (mb, conv_to_icall (conv));
6007 char *msg = g_strdup_printf ("stringbuilder marshalling conversion %d not implemented", encoding);
6008 MonoException *exc = mono_get_exception_not_implemented (msg);
6009 g_warning ("%s", msg);
6011 mono_raise_exception (exc);
6014 mono_mb_emit_stloc (mb, conv_arg);
6015 } else if (klass->blittable) {
6016 mono_mb_emit_byte (mb, CEE_LDNULL);
6017 mono_mb_emit_stloc (mb, conv_arg);
6019 mono_mb_emit_ldarg (mb, argnum);
6020 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6022 mono_mb_emit_ldarg (mb, argnum);
6023 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6024 mono_mb_emit_stloc (mb, conv_arg);
6026 mono_mb_patch_branch (mb, pos);
6029 mono_mb_emit_byte (mb, CEE_LDNULL);
6030 mono_mb_emit_stloc (mb, conv_arg);
6033 /* we dont need any conversions for out parameters */
6034 if (t->attrs & PARAM_ATTRIBUTE_OUT)
6037 mono_mb_emit_ldarg (mb, argnum);
6038 mono_mb_emit_byte (mb, CEE_LDIND_I);
6041 mono_mb_emit_ldarg (mb, argnum);
6042 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6043 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
6046 /* store the address of the source into local variable 0 */
6047 mono_mb_emit_stloc (mb, 0);
6048 mono_mb_emit_ldloc (mb, 0);
6049 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6051 /* allocate space for the native struct and store the address */
6052 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
6053 mono_mb_emit_byte (mb, CEE_PREFIX1);
6054 mono_mb_emit_byte (mb, CEE_LOCALLOC);
6055 mono_mb_emit_stloc (mb, conv_arg);
6058 /* Need to store the original buffer so we can free it later */
6059 m->orig_conv_args [argnum] = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6060 mono_mb_emit_ldloc (mb, conv_arg);
6061 mono_mb_emit_stloc (mb, m->orig_conv_args [argnum]);
6064 /* set the src_ptr */
6065 mono_mb_emit_ldloc (mb, 0);
6066 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6067 mono_mb_emit_stloc (mb, 0);
6070 mono_mb_emit_ldloc (mb, conv_arg);
6071 mono_mb_emit_stloc (mb, 1);
6073 /* emit valuetype conversion code */
6074 emit_struct_conv (mb, klass, FALSE);
6076 mono_mb_patch_branch (mb, pos);
6080 case MARSHAL_ACTION_CONV_OUT:
6081 if (klass == mono_defaults.stringbuilder_class) {
6083 MonoMarshalNative encoding;
6084 MonoMarshalConv conv;
6086 encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
6087 conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free);
6089 g_assert (!t->byref);
6090 g_assert (encoding != -1);
6092 mono_mb_emit_ldarg (mb, argnum);
6093 mono_mb_emit_ldloc (mb, conv_arg);
6095 mono_mb_emit_icall (mb, conv_to_icall (conv));
6098 mono_mb_emit_ldloc (mb, conv_arg);
6099 mono_mb_emit_icall (mb, mono_marshal_free);
6104 if (klass->delegate) {
6106 mono_mb_emit_ldarg (mb, argnum);
6107 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6108 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
6109 mono_mb_emit_ldloc (mb, conv_arg);
6110 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_FTN_DEL));
6111 mono_mb_emit_byte (mb, CEE_STIND_REF);
6116 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT)) {
6117 /* allocate a new object */
6118 mono_mb_emit_ldarg (mb, argnum);
6119 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6120 mono_mb_emit_op (mb, CEE_MONO_NEWOBJ, klass);
6121 mono_mb_emit_byte (mb, CEE_STIND_REF);
6124 /* dst = *argument */
6125 mono_mb_emit_ldarg (mb, argnum);
6128 mono_mb_emit_byte (mb, CEE_LDIND_I);
6130 mono_mb_emit_stloc (mb, 1);
6132 mono_mb_emit_ldloc (mb, 1);
6133 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6135 if (t->byref || (t->attrs & PARAM_ATTRIBUTE_OUT)) {
6136 mono_mb_emit_ldloc (mb, 1);
6137 mono_mb_emit_icon (mb, sizeof (MonoObject));
6138 mono_mb_emit_byte (mb, CEE_ADD);
6139 mono_mb_emit_stloc (mb, 1);
6141 /* src = tmp_locals [i] */
6142 mono_mb_emit_ldloc (mb, conv_arg);
6143 mono_mb_emit_stloc (mb, 0);
6145 /* emit valuetype conversion code */
6146 emit_struct_conv (mb, klass, TRUE);
6148 /* Free the structure returned by the native code */
6149 emit_struct_free (mb, klass, conv_arg);
6151 if (m->orig_conv_args [argnum]) {
6153 * If the native function changed the pointer, then free
6154 * the original structure plus the new pointer.
6156 mono_mb_emit_ldloc (mb, m->orig_conv_args [argnum]);
6157 mono_mb_emit_ldloc (mb, conv_arg);
6158 pos2 = mono_mb_emit_branch (mb, CEE_BEQ);
6160 if (!(t->attrs & PARAM_ATTRIBUTE_OUT)) {
6161 g_assert (m->orig_conv_args [argnum]);
6163 emit_struct_free (mb, klass, m->orig_conv_args [argnum]);
6166 mono_mb_emit_ldloc (mb, conv_arg);
6167 mono_mb_emit_icall (mb, g_free);
6169 mono_mb_patch_branch (mb, pos2);
6173 /* Free the original structure passed to native code */
6174 emit_struct_free (mb, klass, conv_arg);
6176 mono_mb_patch_branch (mb, pos);
6179 case MARSHAL_ACTION_PUSH:
6181 mono_mb_emit_ldloc_addr (mb, conv_arg);
6183 mono_mb_emit_ldloc (mb, conv_arg);
6186 case MARSHAL_ACTION_CONV_RESULT:
6187 if (klass->delegate) {
6188 g_assert (!t->byref);
6189 mono_mb_emit_stloc (mb, 0);
6190 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6191 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
6192 mono_mb_emit_ldloc (mb, 0);
6193 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_FTN_DEL));
6194 mono_mb_emit_stloc (mb, 3);
6197 mono_mb_emit_stloc (mb, 0);
6199 /* Make a copy since emit_conv modifies local 0 */
6200 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6201 mono_mb_emit_ldloc (mb, 0);
6202 mono_mb_emit_stloc (mb, loc);
6204 mono_mb_emit_byte (mb, CEE_LDNULL);
6205 mono_mb_emit_stloc (mb, 3);
6207 mono_mb_emit_ldloc (mb, 0);
6208 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6210 /* allocate result object */
6212 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6213 mono_mb_emit_op (mb, CEE_MONO_NEWOBJ, klass);
6214 mono_mb_emit_stloc (mb, 3);
6218 mono_mb_emit_ldloc (mb, 3);
6219 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6220 mono_mb_emit_stloc (mb, 1);
6222 /* emit conversion code */
6223 emit_struct_conv (mb, klass, TRUE);
6225 emit_struct_free (mb, klass, loc);
6227 /* Free the pointer allocated by unmanaged code */
6228 mono_mb_emit_ldloc (mb, loc);
6229 mono_mb_emit_icall (mb, g_free);
6230 mono_mb_patch_branch (mb, pos);
6234 case MARSHAL_ACTION_MANAGED_CONV_IN:
6235 conv_arg = mono_mb_add_local (mb, &klass->byval_arg);
6237 if (klass->delegate) {
6238 g_assert (!t->byref);
6239 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6240 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
6241 mono_mb_emit_ldarg (mb, argnum);
6242 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_FTN_DEL));
6243 mono_mb_emit_stloc (mb, conv_arg);
6247 if (klass == mono_defaults.stringbuilder_class) {
6248 MonoMarshalNative encoding;
6250 encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
6253 g_assert (encoding == MONO_NATIVE_LPSTR);
6255 g_assert (!t->byref);
6256 g_assert (encoding != -1);
6258 mono_mb_emit_ldarg (mb, argnum);
6259 mono_mb_emit_icall (mb, mono_string_utf8_to_builder2);
6260 mono_mb_emit_stloc (mb, conv_arg);
6264 /* The class can not have an automatic layout */
6265 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
6266 mono_mb_emit_auto_layout_exception (mb, klass);
6270 if (t->attrs & PARAM_ATTRIBUTE_OUT) {
6271 mono_mb_emit_byte (mb, CEE_LDNULL);
6272 mono_mb_emit_stloc (mb, conv_arg);
6277 mono_mb_emit_ldarg (mb, argnum);
6281 /* Check for NULL and raise an exception */
6282 pos2 = mono_mb_emit_branch (mb, CEE_BRTRUE);
6284 mono_mb_emit_exception (mb, "ArgumentNullException", NULL);
6286 mono_mb_patch_branch (mb, pos2);
6287 mono_mb_emit_ldarg (mb, argnum);
6288 mono_mb_emit_byte (mb, CEE_LDIND_I);
6291 mono_mb_emit_stloc (mb, 0);
6293 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
6294 mono_mb_emit_stloc (mb, conv_arg);
6296 mono_mb_emit_ldloc (mb, 0);
6297 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6299 /* Create and set dst */
6300 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6301 mono_mb_emit_op (mb, CEE_MONO_NEWOBJ, klass);
6302 mono_mb_emit_stloc (mb, conv_arg);
6303 mono_mb_emit_ldloc (mb, conv_arg);
6304 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6305 mono_mb_emit_stloc (mb, 1);
6307 /* emit valuetype conversion code */
6308 emit_struct_conv (mb, klass, TRUE);
6310 mono_mb_patch_branch (mb, pos);
6313 case MARSHAL_ACTION_MANAGED_CONV_OUT:
6315 /* Check for null */
6316 mono_mb_emit_ldloc (mb, conv_arg);
6317 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
6318 mono_mb_emit_ldarg (mb, argnum);
6319 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
6320 mono_mb_emit_byte (mb, CEE_STIND_REF);
6321 pos2 = mono_mb_emit_branch (mb, CEE_BR);
6323 mono_mb_patch_branch (mb, pos);
6326 mono_mb_emit_ldloc (mb, conv_arg);
6327 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6328 mono_mb_emit_stloc (mb, 0);
6330 /* Allocate and set dest */
6331 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
6332 mono_mb_emit_byte (mb, CEE_CONV_I);
6333 mono_mb_emit_icall (mb, mono_marshal_alloc);
6334 mono_mb_emit_stloc (mb, 1);
6336 /* Update argument pointer */
6337 mono_mb_emit_ldarg (mb, argnum);
6338 mono_mb_emit_ldloc (mb, 1);
6339 mono_mb_emit_byte (mb, CEE_STIND_I);
6341 /* emit valuetype conversion code */
6342 emit_struct_conv (mb, klass, FALSE);
6344 mono_mb_patch_branch (mb, pos2);
6346 /* byval [Out] marshalling */
6348 /* FIXME: Handle null */
6351 mono_mb_emit_ldloc (mb, conv_arg);
6352 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6353 mono_mb_emit_stloc (mb, 0);
6356 mono_mb_emit_ldarg (mb, argnum);
6357 mono_mb_emit_stloc (mb, 1);
6359 /* emit valuetype conversion code */
6360 emit_struct_conv (mb, klass, FALSE);
6364 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
6365 if (klass->delegate) {
6366 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_DEL_FTN));
6367 mono_mb_emit_stloc (mb, 3);
6371 /* The class can not have an automatic layout */
6372 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
6373 mono_mb_emit_auto_layout_exception (mb, klass);
6377 mono_mb_emit_stloc (mb, 0);
6378 /* Check for null */
6379 mono_mb_emit_ldloc (mb, 0);
6380 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
6381 mono_mb_emit_byte (mb, CEE_LDNULL);
6382 mono_mb_emit_stloc (mb, 3);
6383 pos2 = mono_mb_emit_branch (mb, CEE_BR);
6385 mono_mb_patch_branch (mb, pos);
6388 mono_mb_emit_ldloc (mb, 0);
6389 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6390 mono_mb_emit_stloc (mb, 0);
6392 /* Allocate and set dest */
6393 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
6394 mono_mb_emit_byte (mb, CEE_CONV_I);
6395 mono_mb_emit_icall (mb, mono_marshal_alloc);
6396 mono_mb_emit_byte (mb, CEE_DUP);
6397 mono_mb_emit_stloc (mb, 1);
6398 mono_mb_emit_stloc (mb, 3);
6400 emit_struct_conv (mb, klass, FALSE);
6402 mono_mb_patch_branch (mb, pos2);
6406 g_assert_not_reached ();
6413 emit_marshal_variant (EmitMarshalContext *m, int argnum, MonoType *t,
6414 MonoMarshalSpec *spec,
6415 int conv_arg, MonoType **conv_arg_type,
6416 MarshalAction action)
6418 MonoMethodBuilder *mb = m->mb;
6419 static MonoMethod *get_object_for_native_variant = NULL;
6420 static MonoMethod *get_native_variant_for_object = NULL;
6422 mono_init_com_types ();
6424 if (!get_object_for_native_variant)
6425 get_object_for_native_variant = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetObjectForNativeVariant", 1);
6426 g_assert (get_object_for_native_variant);
6428 if (!get_native_variant_for_object)
6429 get_native_variant_for_object = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetNativeVariantForObject", 2);
6430 g_assert (get_native_variant_for_object);
6433 case MARSHAL_ACTION_CONV_IN: {
6434 conv_arg = mono_mb_add_local (mb, &mono_defaults.variant_class->byval_arg);
6437 *conv_arg_type = &mono_defaults.variant_class->this_arg;
6439 *conv_arg_type = &mono_defaults.variant_class->byval_arg;
6441 if (t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && t->attrs & PARAM_ATTRIBUTE_OUT)
6444 mono_mb_emit_ldarg (mb, argnum);
6446 mono_mb_emit_byte(mb, CEE_LDIND_REF);
6447 mono_mb_emit_ldloc_addr (mb, conv_arg);
6448 mono_mb_emit_managed_call (mb, get_native_variant_for_object, NULL);
6452 case MARSHAL_ACTION_CONV_OUT: {
6453 static MonoMethod *variant_clear = NULL;
6456 variant_clear = mono_class_get_method_from_name (mono_defaults.variant_class, "Clear", 0);
6457 g_assert (variant_clear);
6460 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT || !(t->attrs & PARAM_ATTRIBUTE_IN))) {
6461 mono_mb_emit_ldarg (mb, argnum);
6462 mono_mb_emit_ldloc_addr (mb, conv_arg);
6463 mono_mb_emit_managed_call (mb, get_object_for_native_variant, NULL);
6464 mono_mb_emit_byte (mb, CEE_STIND_REF);
6467 mono_mb_emit_ldloc_addr (mb, conv_arg);
6468 mono_mb_emit_managed_call (mb, variant_clear, NULL);
6472 case MARSHAL_ACTION_PUSH:
6474 mono_mb_emit_ldloc_addr (mb, conv_arg);
6476 mono_mb_emit_ldloc (mb, conv_arg);
6479 case MARSHAL_ACTION_CONV_RESULT: {
6480 char *msg = g_strdup ("Marshalling of VARIANT not supported as a return type.");
6481 mono_mb_emit_exception_marshal_directive (mb, msg);
6485 case MARSHAL_ACTION_MANAGED_CONV_IN: {
6486 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
6489 *conv_arg_type = &mono_defaults.variant_class->this_arg;
6491 *conv_arg_type = &mono_defaults.variant_class->byval_arg;
6493 if (t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && t->attrs & PARAM_ATTRIBUTE_OUT)
6497 mono_mb_emit_ldarg (mb, argnum);
6499 mono_mb_emit_ldarg_addr (mb, argnum);
6500 mono_mb_emit_managed_call (mb, get_object_for_native_variant, NULL);
6501 mono_mb_emit_stloc (mb, conv_arg);
6505 case MARSHAL_ACTION_MANAGED_CONV_OUT: {
6506 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT || !(t->attrs & PARAM_ATTRIBUTE_IN))) {
6507 mono_mb_emit_ldloc (mb, conv_arg);
6508 mono_mb_emit_ldarg (mb, argnum);
6509 mono_mb_emit_managed_call (mb, get_native_variant_for_object, NULL);
6514 case MARSHAL_ACTION_MANAGED_CONV_RESULT: {
6515 char *msg = g_strdup ("Marshalling of VARIANT not supported as a return type.");
6516 mono_mb_emit_exception_marshal_directive (mb, msg);
6521 g_assert_not_reached ();
6528 emit_marshal_array (EmitMarshalContext *m, int argnum, MonoType *t,
6529 MonoMarshalSpec *spec,
6530 int conv_arg, MonoType **conv_arg_type,
6531 MarshalAction action)
6533 MonoMethodBuilder *mb = m->mb;
6534 MonoClass *klass = mono_class_from_mono_type (t);
6535 gboolean need_convert, need_free;
6536 MonoMarshalNative encoding;
6538 encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
6541 case MARSHAL_ACTION_CONV_IN:
6542 *conv_arg_type = &mono_defaults.object_class->byval_arg;
6543 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
6545 if (klass->element_class->blittable) {
6546 mono_mb_emit_ldarg (mb, argnum);
6548 mono_mb_emit_byte (mb, CEE_LDIND_I);
6549 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_ARRAY_LPARRAY));
6550 mono_mb_emit_stloc (mb, conv_arg);
6553 guint32 label1, label2, label3;
6554 int index_var, src_var, dest_ptr, esize;
6555 MonoMarshalConv conv;
6556 gboolean is_string = FALSE;
6558 dest_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6560 eklass = klass->element_class;
6562 if (eklass == mono_defaults.string_class) {
6564 conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
6566 else if (eklass == mono_defaults.stringbuilder_class) {
6568 conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
6573 src_var = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
6574 mono_mb_emit_ldarg (mb, argnum);
6576 mono_mb_emit_byte (mb, CEE_LDIND_I);
6577 mono_mb_emit_stloc (mb, src_var);
6580 mono_mb_emit_ldloc (mb, src_var);
6581 mono_mb_emit_stloc (mb, conv_arg);
6582 mono_mb_emit_ldloc (mb, src_var);
6583 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6587 char *msg = g_strdup_printf ("string/stringbuilder marshalling conversion %d not implemented", encoding);
6588 MonoException *exc = mono_get_exception_not_implemented (msg);
6589 g_warning ("%s", msg);
6591 mono_raise_exception (exc);
6596 esize = sizeof (gpointer);
6598 esize = mono_class_native_size (eklass, NULL);
6600 /* allocate space for the native struct and store the address */
6601 mono_mb_emit_icon (mb, esize);
6602 mono_mb_emit_ldloc (mb, src_var);
6603 mono_mb_emit_byte (mb, CEE_LDLEN);
6605 if (eklass == mono_defaults.string_class) {
6606 /* Make the array bigger for the terminating null */
6607 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
6608 mono_mb_emit_byte (mb, CEE_ADD);
6610 mono_mb_emit_byte (mb, CEE_MUL);
6611 mono_mb_emit_byte (mb, CEE_PREFIX1);
6612 mono_mb_emit_byte (mb, CEE_LOCALLOC);
6613 mono_mb_emit_stloc (mb, conv_arg);
6615 mono_mb_emit_ldloc (mb, conv_arg);
6616 mono_mb_emit_stloc (mb, dest_ptr);
6618 /* Emit marshalling loop */
6619 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6620 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
6621 mono_mb_emit_stloc (mb, index_var);
6622 label2 = mono_mb_get_label (mb);
6623 mono_mb_emit_ldloc (mb, index_var);
6624 mono_mb_emit_ldloc (mb, src_var);
6625 mono_mb_emit_byte (mb, CEE_LDLEN);
6626 label3 = mono_mb_emit_branch (mb, CEE_BGE);
6628 /* Emit marshalling code */
6631 mono_mb_emit_ldloc (mb, dest_ptr);
6632 mono_mb_emit_ldloc (mb, src_var);
6633 mono_mb_emit_ldloc (mb, index_var);
6634 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
6635 mono_mb_emit_icall (mb, conv_to_icall (conv));
6636 mono_mb_emit_byte (mb, CEE_STIND_I);
6638 /* set the src_ptr */
6639 mono_mb_emit_ldloc (mb, src_var);
6640 mono_mb_emit_ldloc (mb, index_var);
6641 mono_mb_emit_op (mb, CEE_LDELEMA, eklass);
6642 mono_mb_emit_stloc (mb, 0);
6645 mono_mb_emit_ldloc (mb, dest_ptr);
6646 mono_mb_emit_stloc (mb, 1);
6648 /* emit valuetype conversion code */
6649 emit_struct_conv (mb, eklass, FALSE);
6652 mono_mb_emit_add_to_local (mb, index_var, 1);
6653 mono_mb_emit_add_to_local (mb, dest_ptr, esize);
6655 mono_mb_emit_branch_label (mb, CEE_BR, label2);
6657 mono_mb_patch_branch (mb, label3);
6659 if (eklass == mono_defaults.string_class) {
6660 /* Null terminate */
6661 mono_mb_emit_ldloc (mb, dest_ptr);
6662 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
6663 mono_mb_emit_byte (mb, CEE_STIND_REF);
6666 mono_mb_patch_branch (mb, label1);
6671 case MARSHAL_ACTION_CONV_OUT:
6672 /* Unicode character arrays are implicitly marshalled as [Out] under MS.NET */
6673 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);
6674 need_free = mono_marshal_need_free (&klass->element_class->byval_arg,
6677 if (need_convert || need_free) {
6678 /* FIXME: Optimize blittable case */
6680 guint32 label1, label2, label3;
6681 int index_var, src_ptr, loc, esize;
6683 eklass = klass->element_class;
6684 if ((eklass == mono_defaults.stringbuilder_class) || (eklass == mono_defaults.string_class))
6685 esize = sizeof (gpointer);
6687 esize = mono_class_native_size (eklass, NULL);
6688 src_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6689 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6692 mono_mb_emit_ldarg (mb, argnum);
6694 mono_mb_emit_byte (mb, CEE_LDIND_I);
6695 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6697 mono_mb_emit_ldloc (mb, conv_arg);
6698 mono_mb_emit_stloc (mb, src_ptr);
6700 /* Emit marshalling loop */
6701 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6702 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
6703 mono_mb_emit_stloc (mb, index_var);
6704 label2 = mono_mb_get_label (mb);
6705 mono_mb_emit_ldloc (mb, index_var);
6706 mono_mb_emit_ldarg (mb, argnum);
6708 mono_mb_emit_byte (mb, CEE_LDIND_REF);
6709 mono_mb_emit_byte (mb, CEE_LDLEN);
6710 label3 = mono_mb_emit_branch (mb, CEE_BGE);
6712 /* Emit marshalling code */
6714 if (eklass == mono_defaults.stringbuilder_class) {
6715 gboolean need_free2;
6716 MonoMarshalConv conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free2);
6718 g_assert (conv != -1);
6721 mono_mb_emit_ldarg (mb, argnum);
6723 mono_mb_emit_byte (mb, CEE_LDIND_I);
6724 mono_mb_emit_ldloc (mb, index_var);
6725 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
6728 mono_mb_emit_ldloc (mb, src_ptr);
6729 mono_mb_emit_byte (mb, CEE_LDIND_I);
6731 mono_mb_emit_icall (mb, conv_to_icall (conv));
6735 mono_mb_emit_ldloc (mb, src_ptr);
6736 mono_mb_emit_byte (mb, CEE_LDIND_I);
6738 mono_mb_emit_icall (mb, mono_marshal_free);
6741 else if (eklass == mono_defaults.string_class) {
6744 mono_mb_emit_ldloc (mb, src_ptr);
6745 mono_mb_emit_byte (mb, CEE_LDIND_I);
6747 mono_mb_emit_icall (mb, mono_marshal_free);
6752 /* set the src_ptr */
6753 mono_mb_emit_ldloc (mb, src_ptr);
6754 mono_mb_emit_stloc (mb, 0);
6757 mono_mb_emit_ldarg (mb, argnum);
6759 mono_mb_emit_byte (mb, CEE_LDIND_REF);
6760 mono_mb_emit_ldloc (mb, index_var);
6761 mono_mb_emit_op (mb, CEE_LDELEMA, eklass);
6762 mono_mb_emit_stloc (mb, 1);
6764 /* emit valuetype conversion code */
6765 emit_struct_conv (mb, eklass, TRUE);
6769 mono_mb_emit_ldloc (mb, src_ptr);
6770 mono_mb_emit_stloc (mb, loc);
6771 mono_mb_emit_ldloc (mb, loc);
6773 emit_struct_free (mb, eklass, loc);
6777 mono_mb_emit_add_to_local (mb, index_var, 1);
6778 mono_mb_emit_add_to_local (mb, src_ptr, esize);
6780 mono_mb_emit_branch_label (mb, CEE_BR, label2);
6782 mono_mb_patch_branch (mb, label1);
6783 mono_mb_patch_branch (mb, label3);
6786 if (klass->element_class->blittable) {
6787 /* free memory allocated (if any) by MONO_MARSHAL_CONV_ARRAY_LPARRAY */
6789 mono_mb_emit_ldarg (mb, argnum);
6790 mono_mb_emit_ldloc (mb, conv_arg);
6791 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_FREE_LPARRAY));
6796 case MARSHAL_ACTION_PUSH:
6798 mono_mb_emit_ldloc_addr (mb, conv_arg);
6800 mono_mb_emit_ldloc (mb, conv_arg);
6803 case MARSHAL_ACTION_CONV_RESULT:
6804 /* fixme: we need conversions here */
6805 mono_mb_emit_stloc (mb, 3);
6808 case MARSHAL_ACTION_MANAGED_CONV_IN: {
6810 guint32 label1, label2, label3;
6811 int index_var, src_ptr, loc, esize, param_num, num_elem;
6812 MonoMarshalConv conv;
6813 gboolean is_string = FALSE;
6815 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
6816 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6819 char *msg = g_strdup ("Byref array marshalling to managed code is not implemented.");
6820 mono_mb_emit_exception_marshal_directive (mb, msg);
6824 char *msg = g_strdup ("[MarshalAs] attribute required to marshal arrays to managed code.");
6825 mono_mb_emit_exception_marshal_directive (mb, msg);
6828 if (spec->native != MONO_NATIVE_LPARRAY) {
6829 char *msg = g_strdup ("Non LPArray marshalling of arrays to managed code is not implemented.");
6830 mono_mb_emit_exception_marshal_directive (mb, msg);
6834 /* FIXME: t is from the method which is wrapped, not the delegate type */
6835 /* g_assert (t->attrs & PARAM_ATTRIBUTE_IN); */
6837 param_num = spec->data.array_data.param_num;
6838 num_elem = spec->data.array_data.num_elem;
6839 if (spec->data.array_data.elem_mult == 0)
6840 /* param_num is not specified */
6843 if (param_num == -1) {
6844 if (num_elem <= 0) {
6845 char *msg = g_strdup ("Either SizeConst or SizeParamIndex should be specified when marshalling arrays to managed code.");
6846 mono_mb_emit_exception_marshal_directive (mb, msg);
6851 /* FIXME: Optimize blittable case */
6853 eklass = klass->element_class;
6854 if (eklass == mono_defaults.string_class) {
6856 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
6858 else if (eklass == mono_defaults.stringbuilder_class) {
6860 conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free);
6865 mono_marshal_load_type_info (eklass);
6868 esize = sizeof (gpointer);
6870 esize = mono_class_native_size (eklass, NULL);
6871 src_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6872 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6874 mono_mb_emit_byte (mb, CEE_LDNULL);
6875 mono_mb_emit_stloc (mb, conv_arg);
6877 /* Check param index */
6878 if (param_num != -1) {
6879 if (param_num >= m->sig->param_count) {
6880 char *msg = g_strdup ("Array size control parameter index is out of range.");
6881 mono_mb_emit_exception_marshal_directive (mb, msg);
6884 switch (m->sig->params [param_num]->type) {
6897 char *msg = g_strdup ("Array size control parameter must be an integral type.");
6898 mono_mb_emit_exception_marshal_directive (mb, msg);
6905 mono_mb_emit_ldarg (mb, argnum);
6906 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6908 mono_mb_emit_ldarg (mb, argnum);
6909 mono_mb_emit_stloc (mb, src_ptr);
6911 /* Create managed array */
6913 * The LPArray marshalling spec says that sometimes param_num starts
6914 * from 1, sometimes it starts from 0. But MS seems to allways start
6918 if (param_num == -1)
6919 mono_mb_emit_icon (mb, num_elem);
6921 /* FIXME: Add the two together */
6922 mono_mb_emit_ldarg (mb, param_num);
6924 mono_mb_emit_icon (mb, num_elem);
6925 mono_mb_emit_byte (mb, CEE_ADD);
6929 mono_mb_emit_op (mb, CEE_NEWARR, eklass);
6930 mono_mb_emit_stloc (mb, conv_arg);
6932 if (eklass->blittable) {
6933 mono_mb_emit_ldloc (mb, conv_arg);
6934 mono_mb_emit_byte (mb, CEE_CONV_I);
6935 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArray, vector));
6936 mono_mb_emit_byte (mb, CEE_ADD);
6937 mono_mb_emit_ldarg (mb, argnum);
6938 mono_mb_emit_ldloc (mb, conv_arg);
6939 mono_mb_emit_byte (mb, CEE_LDLEN);
6940 mono_mb_emit_icon (mb, esize);
6941 mono_mb_emit_byte (mb, CEE_MUL);
6942 mono_mb_emit_byte (mb, CEE_PREFIX1);
6943 mono_mb_emit_byte (mb, CEE_CPBLK);
6947 /* Emit marshalling loop */
6948 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6949 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
6950 mono_mb_emit_stloc (mb, index_var);
6951 label2 = mono_mb_get_label (mb);
6952 mono_mb_emit_ldloc (mb, index_var);
6953 mono_mb_emit_ldloc (mb, conv_arg);
6954 mono_mb_emit_byte (mb, CEE_LDLEN);
6955 label3 = mono_mb_emit_branch (mb, CEE_BGE);
6957 /* Emit marshalling code */
6959 g_assert (conv != -1);
6961 mono_mb_emit_ldloc (mb, conv_arg);
6962 mono_mb_emit_ldloc (mb, index_var);
6964 mono_mb_emit_ldloc (mb, src_ptr);
6965 mono_mb_emit_byte (mb, CEE_LDIND_I);
6967 mono_mb_emit_icall (mb, conv_to_icall (conv));
6968 mono_mb_emit_byte (mb, CEE_STELEM_REF);
6971 char *msg = g_strdup ("Marshalling of non-string and non-blittable arrays to managed code is not implemented.");
6972 mono_mb_emit_exception_marshal_directive (mb, msg);
6976 mono_mb_emit_add_to_local (mb, index_var, 1);
6977 mono_mb_emit_add_to_local (mb, src_ptr, esize);
6979 mono_mb_emit_branch_label (mb, CEE_BR, label2);
6981 mono_mb_patch_branch (mb, label1);
6982 mono_mb_patch_branch (mb, label3);
6986 case MARSHAL_ACTION_MANAGED_CONV_OUT: {
6988 guint32 label1, label2, label3;
6989 int index_var, dest_ptr, loc, esize, param_num, num_elem;
6990 MonoMarshalConv conv;
6991 gboolean is_string = FALSE;
6994 /* Already handled in CONV_IN */
6997 /* These are already checked in CONV_IN */
6998 g_assert (!t->byref);
6999 g_assert (spec->native == MONO_NATIVE_LPARRAY);
7000 g_assert (t->attrs & PARAM_ATTRIBUTE_OUT);
7002 param_num = spec->data.array_data.param_num;
7003 num_elem = spec->data.array_data.num_elem;
7005 if (spec->data.array_data.elem_mult == 0)
7006 /* param_num is not specified */
7009 if (param_num == -1) {
7010 if (num_elem <= 0) {
7011 g_assert_not_reached ();
7015 /* FIXME: Optimize blittable case */
7017 eklass = klass->element_class;
7018 if (eklass == mono_defaults.string_class) {
7020 conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
7022 else if (eklass == mono_defaults.stringbuilder_class) {
7024 conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
7029 mono_marshal_load_type_info (eklass);
7032 esize = sizeof (gpointer);
7034 esize = mono_class_native_size (eklass, NULL);
7036 dest_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7037 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7040 mono_mb_emit_ldloc (mb, conv_arg);
7041 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
7043 mono_mb_emit_ldarg (mb, argnum);
7044 mono_mb_emit_stloc (mb, dest_ptr);
7046 if (eklass->blittable) {
7048 mono_mb_emit_ldarg (mb, argnum);
7050 mono_mb_emit_ldloc (mb, conv_arg);
7051 mono_mb_emit_byte (mb, CEE_CONV_I);
7052 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArray, vector));
7053 mono_mb_emit_byte (mb, CEE_ADD);
7055 mono_mb_emit_ldloc (mb, conv_arg);
7056 mono_mb_emit_byte (mb, CEE_LDLEN);
7057 mono_mb_emit_icon (mb, esize);
7058 mono_mb_emit_byte (mb, CEE_MUL);
7059 mono_mb_emit_byte (mb, CEE_PREFIX1);
7060 mono_mb_emit_byte (mb, CEE_CPBLK);
7064 /* Emit marshalling loop */
7065 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7066 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7067 mono_mb_emit_stloc (mb, index_var);
7068 label2 = mono_mb_get_label (mb);
7069 mono_mb_emit_ldloc (mb, index_var);
7070 mono_mb_emit_ldloc (mb, conv_arg);
7071 mono_mb_emit_byte (mb, CEE_LDLEN);
7072 label3 = mono_mb_emit_branch (mb, CEE_BGE);
7074 /* Emit marshalling code */
7076 g_assert (conv != -1);
7079 mono_mb_emit_ldloc (mb, dest_ptr);
7082 mono_mb_emit_ldloc (mb, conv_arg);
7083 mono_mb_emit_ldloc (mb, index_var);
7085 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
7087 mono_mb_emit_icall (mb, conv_to_icall (conv));
7088 mono_mb_emit_byte (mb, CEE_STIND_I);
7091 char *msg = g_strdup ("Marshalling of non-string and non-blittable arrays to managed code is not implemented.");
7092 mono_mb_emit_exception_marshal_directive (mb, msg);
7096 mono_mb_emit_add_to_local (mb, index_var, 1);
7097 mono_mb_emit_add_to_local (mb, dest_ptr, esize);
7099 mono_mb_emit_branch_label (mb, CEE_BR, label2);
7101 mono_mb_patch_branch (mb, label1);
7102 mono_mb_patch_branch (mb, label3);
7106 case MARSHAL_ACTION_MANAGED_CONV_RESULT: {
7108 guint32 label1, label2, label3;
7109 int index_var, src, dest, esize;
7110 MonoMarshalConv conv = -1;
7111 gboolean is_string = FALSE;
7113 g_assert (!t->byref);
7115 eklass = klass->element_class;
7117 mono_marshal_load_type_info (eklass);
7119 if (eklass == mono_defaults.string_class) {
7121 conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
7124 g_assert_not_reached ();
7128 esize = sizeof (gpointer);
7130 esize = mono_class_native_size (eklass, NULL);
7132 src = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
7133 dest = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7135 mono_mb_emit_stloc (mb, src);
7136 mono_mb_emit_ldloc (mb, src);
7137 mono_mb_emit_stloc (mb, 3);
7139 /* Check for null */
7140 mono_mb_emit_ldloc (mb, src);
7141 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
7143 /* Allocate native array */
7144 mono_mb_emit_icon (mb, esize);
7145 mono_mb_emit_ldloc (mb, src);
7146 mono_mb_emit_byte (mb, CEE_LDLEN);
7148 if (eklass == mono_defaults.string_class) {
7149 /* Make the array bigger for the terminating null */
7150 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
7151 mono_mb_emit_byte (mb, CEE_ADD);
7153 mono_mb_emit_byte (mb, CEE_MUL);
7154 mono_mb_emit_icall (mb, mono_marshal_alloc);
7155 mono_mb_emit_stloc (mb, dest);
7156 mono_mb_emit_ldloc (mb, dest);
7157 mono_mb_emit_stloc (mb, 3);
7159 /* Emit marshalling loop */
7160 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7161 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7162 mono_mb_emit_stloc (mb, index_var);
7163 label2 = mono_mb_get_label (mb);
7164 mono_mb_emit_ldloc (mb, index_var);
7165 mono_mb_emit_ldloc (mb, src);
7166 mono_mb_emit_byte (mb, CEE_LDLEN);
7167 label3 = mono_mb_emit_branch (mb, CEE_BGE);
7169 /* Emit marshalling code */
7171 g_assert (conv != -1);
7174 mono_mb_emit_ldloc (mb, dest);
7177 mono_mb_emit_ldloc (mb, src);
7178 mono_mb_emit_ldloc (mb, index_var);
7180 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
7182 mono_mb_emit_icall (mb, conv_to_icall (conv));
7183 mono_mb_emit_byte (mb, CEE_STIND_I);
7186 char *msg = g_strdup ("Marshalling of non-string arrays to managed code is not implemented.");
7187 mono_mb_emit_exception_marshal_directive (mb, msg);
7191 mono_mb_emit_add_to_local (mb, index_var, 1);
7192 mono_mb_emit_add_to_local (mb, dest, esize);
7194 mono_mb_emit_branch_label (mb, CEE_BR, label2);
7196 mono_mb_patch_branch (mb, label3);
7197 mono_mb_patch_branch (mb, label1);
7201 g_assert_not_reached ();
7208 emit_marshal_boolean (EmitMarshalContext *m, int argnum, MonoType *t,
7209 MonoMarshalSpec *spec,
7210 int conv_arg, MonoType **conv_arg_type,
7211 MarshalAction action)
7213 MonoMethodBuilder *mb = m->mb;
7216 case MARSHAL_ACTION_CONV_IN: {
7217 MonoType *local_type;
7219 guint8 ldc_op = CEE_LDC_I4_1;
7222 local_type = &mono_defaults.int32_class->byval_arg;
7224 switch (spec->native) {
7225 case MONO_NATIVE_I1:
7226 case MONO_NATIVE_U1:
7227 local_type = &mono_defaults.byte_class->byval_arg;
7229 case MONO_NATIVE_VARIANTBOOL:
7230 local_type = &mono_defaults.int16_class->byval_arg;
7231 ldc_op = CEE_LDC_I4_M1;
7233 case MONO_NATIVE_BOOLEAN:
7234 local_type = &mono_defaults.int32_class->byval_arg;
7237 g_warning ("marshalling bool as native type %x is currently not supported", spec->native);
7238 local_type = &mono_defaults.int32_class->byval_arg;
7243 *conv_arg_type = &mono_defaults.int_class->byval_arg;
7245 *conv_arg_type = local_type;
7246 conv_arg = mono_mb_add_local (mb, local_type);
7248 mono_mb_emit_ldarg (mb, argnum);
7250 mono_mb_emit_byte (mb, CEE_LDIND_I1);
7251 label_false = mono_mb_emit_branch (mb, CEE_BRFALSE);
7252 mono_mb_emit_byte (mb, ldc_op);
7253 mono_mb_emit_stloc (mb, conv_arg);
7254 mono_mb_patch_branch (mb, label_false);
7259 case MARSHAL_ACTION_CONV_OUT:
7261 int label_false, label_end;
7265 mono_mb_emit_ldarg (mb, argnum);
7266 mono_mb_emit_ldloc (mb, conv_arg);
7268 label_false = mono_mb_emit_branch (mb, CEE_BRFALSE);
7269 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
7271 label_end = mono_mb_emit_branch (mb, CEE_BR);
7272 mono_mb_patch_branch (mb, label_false);
7273 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7274 mono_mb_patch_branch (mb, label_end);
7276 mono_mb_emit_byte (mb, CEE_STIND_I1);
7280 case MARSHAL_ACTION_PUSH:
7282 mono_mb_emit_ldloc_addr (mb, conv_arg);
7284 mono_mb_emit_ldloc (mb, conv_arg);
7286 mono_mb_emit_ldarg (mb, argnum);
7289 case MARSHAL_ACTION_CONV_RESULT:
7290 /* maybe we need to make sure that it fits within 8 bits */
7291 mono_mb_emit_stloc (mb, 3);
7294 case MARSHAL_ACTION_MANAGED_CONV_IN: {
7295 MonoClass* conv_arg_class = mono_defaults.int32_class;
7296 guint8 ldop = CEE_LDIND_I4;
7297 int label_null, label_false;
7299 conv_arg = mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
7302 switch (spec->native) {
7303 case MONO_NATIVE_I1:
7304 case MONO_NATIVE_U1:
7305 conv_arg_class = mono_defaults.byte_class;
7306 ldop = CEE_LDIND_I1;
7308 case MONO_NATIVE_VARIANTBOOL:
7309 conv_arg_class = mono_defaults.int16_class;
7310 ldop = CEE_LDIND_I2;
7312 case MONO_NATIVE_BOOLEAN:
7315 g_warning ("marshalling bool as native type %x is currently not supported", spec->native);
7320 *conv_arg_type = &conv_arg_class->this_arg;
7322 *conv_arg_type = &conv_arg_class->byval_arg;
7325 mono_mb_emit_ldarg (mb, argnum);
7330 label_null = mono_mb_emit_branch (mb, CEE_BRFALSE);
7331 mono_mb_emit_ldarg (mb, argnum);
7332 mono_mb_emit_byte (mb, ldop);
7335 label_false = mono_mb_emit_branch (mb, CEE_BRFALSE);
7336 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
7337 mono_mb_emit_stloc (mb, conv_arg);
7338 mono_mb_patch_branch (mb, label_false);
7341 mono_mb_patch_branch (mb, label_null);
7345 case MARSHAL_ACTION_MANAGED_CONV_OUT: {
7346 guint8 stop = CEE_STIND_I4;
7347 guint8 ldc_op = CEE_LDC_I4_1;
7348 int label_null,label_false, label_end;;
7353 switch (spec->native) {
7354 case MONO_NATIVE_I1:
7355 case MONO_NATIVE_U1:
7356 stop = CEE_STIND_I1;
7358 case MONO_NATIVE_VARIANTBOOL:
7359 stop = CEE_STIND_I2;
7360 ldc_op = CEE_LDC_I4_M1;
7368 mono_mb_emit_ldarg (mb, argnum);
7369 label_null = mono_mb_emit_branch (mb, CEE_BRFALSE);
7371 mono_mb_emit_ldarg (mb, argnum);
7372 mono_mb_emit_ldloc (mb, conv_arg);
7374 label_false = mono_mb_emit_branch (mb, CEE_BRFALSE);
7375 mono_mb_emit_byte (mb, ldc_op);
7376 label_end = mono_mb_emit_branch (mb, CEE_BR);
7378 mono_mb_patch_branch (mb, label_false);
7379 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7380 mono_mb_patch_branch (mb, label_end);
7382 mono_mb_emit_byte (mb, stop);
7383 mono_mb_patch_branch (mb, label_null);
7388 g_assert_not_reached ();
7395 emit_marshal_ptr (EmitMarshalContext *m, int argnum, MonoType *t,
7396 MonoMarshalSpec *spec, int conv_arg,
7397 MonoType **conv_arg_type, MarshalAction action)
7399 MonoMethodBuilder *mb = m->mb;
7402 case MARSHAL_ACTION_CONV_IN:
7403 if (MONO_TYPE_ISSTRUCT (t->data.type) && !mono_class_from_mono_type (t->data.type)->blittable) {
7404 char *msg = g_strdup_printf ("Can not marshal 'parameter #%d': Pointers can not reference marshaled structures. Use byref instead.", argnum + 1);
7405 mono_mb_emit_exception_marshal_directive (m->mb, msg);
7409 case MARSHAL_ACTION_PUSH:
7410 mono_mb_emit_ldarg (mb, argnum);
7413 case MARSHAL_ACTION_CONV_RESULT:
7414 /* no conversions necessary */
7415 mono_mb_emit_stloc (mb, 3);
7426 emit_marshal_char (EmitMarshalContext *m, int argnum, MonoType *t,
7427 MonoMarshalSpec *spec, int conv_arg,
7428 MonoType **conv_arg_type, MarshalAction action)
7430 MonoMethodBuilder *mb = m->mb;
7433 case MARSHAL_ACTION_PUSH:
7434 /* fixme: dont know how to marshal that. We cant simply
7435 * convert it to a one byte UTF8 character, because an
7436 * unicode character may need more that one byte in UTF8 */
7437 mono_mb_emit_ldarg (mb, argnum);
7440 case MARSHAL_ACTION_CONV_RESULT:
7441 /* fixme: we need conversions here */
7442 mono_mb_emit_stloc (mb, 3);
7453 emit_marshal_scalar (EmitMarshalContext *m, int argnum, MonoType *t,
7454 MonoMarshalSpec *spec, int conv_arg,
7455 MonoType **conv_arg_type, MarshalAction action)
7457 MonoMethodBuilder *mb = m->mb;
7460 case MARSHAL_ACTION_PUSH:
7461 mono_mb_emit_ldarg (mb, argnum);
7464 case MARSHAL_ACTION_CONV_RESULT:
7465 /* no conversions necessary */
7466 mono_mb_emit_stloc (mb, 3);
7477 emit_marshal (EmitMarshalContext *m, int argnum, MonoType *t,
7478 MonoMarshalSpec *spec, int conv_arg,
7479 MonoType **conv_arg_type, MarshalAction action)
7481 /* Ensure that we have marshalling info for this param */
7482 mono_marshal_load_type_info (mono_class_from_mono_type (t));
7484 if (spec && spec->native == MONO_NATIVE_CUSTOM)
7485 return emit_marshal_custom (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7487 if (spec && spec->native == MONO_NATIVE_ASANY)
7488 return emit_marshal_asany (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7491 case MONO_TYPE_VALUETYPE:
7492 if (t->data.klass == mono_defaults.handleref_class)
7493 return emit_marshal_handleref (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7495 return emit_marshal_vtype (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7496 case MONO_TYPE_STRING:
7497 return emit_marshal_string (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7498 case MONO_TYPE_CLASS:
7499 case MONO_TYPE_OBJECT:
7500 if (spec && spec->native == MONO_NATIVE_STRUCT)
7501 return emit_marshal_variant (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7504 if (spec && (spec->native == MONO_NATIVE_IUNKNOWN ||
7505 spec->native == MONO_NATIVE_IDISPATCH ||
7506 spec->native == MONO_NATIVE_INTERFACE))
7507 return mono_cominterop_emit_marshal_com_interface (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7508 if (spec && (spec->native == MONO_NATIVE_SAFEARRAY) &&
7509 (spec->data.safearray_data.elem_type == MONO_VARIANT_VARIANT) &&
7510 (action == MARSHAL_ACTION_CONV_OUT))
7511 return mono_cominterop_emit_marshal_safearray (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7514 if (mono_defaults.safehandle_class != NULL && t->data.klass &&
7515 mono_class_is_subclass_of (t->data.klass, mono_defaults.safehandle_class, FALSE))
7516 return emit_marshal_safehandle (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7518 return emit_marshal_object (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7519 case MONO_TYPE_ARRAY:
7520 case MONO_TYPE_SZARRAY:
7521 return emit_marshal_array (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7522 case MONO_TYPE_BOOLEAN:
7523 return emit_marshal_boolean (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7525 return emit_marshal_ptr (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7526 case MONO_TYPE_CHAR:
7527 return emit_marshal_char (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7540 case MONO_TYPE_FNPTR:
7541 return emit_marshal_scalar (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7542 case MONO_TYPE_GENERICINST:
7543 if (mono_type_generic_inst_is_valuetype (t))
7544 return emit_marshal_vtype (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7546 return emit_marshal_object (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7553 * mono_marshal_emit_native_wrapper:
7554 * @image: the image to use for looking up custom marshallers
7555 * @sig: The signature of the native function
7556 * @piinfo: Marshalling information
7557 * @mspecs: Marshalling information
7558 * @aot: whenever the created method will be compiled by the AOT compiler
7559 * @method: if non-NULL, the pinvoke method to call
7560 * @check_exceptions: Whenever to check for pending exceptions after the native call
7562 * generates IL code for the pinvoke wrapper, the generated code calls @func.
7565 mono_marshal_emit_native_wrapper (MonoImage *image, MonoMethodBuilder *mb, MonoMethodSignature *sig, MonoMethodPInvoke *piinfo, MonoMarshalSpec **mspecs, gpointer func, gboolean aot, gboolean check_exceptions)
7567 EmitMarshalContext m;
7568 MonoMethodSignature *csig;
7570 int i, argnum, *tmp_locals;
7572 static MonoMethodSignature *get_last_error_sig = NULL;
7577 /* we copy the signature, so that we can set pinvoke to 0 */
7578 csig = signature_dup (mb->method->klass->image, sig);
7583 /* we allocate local for use with emit_struct_conv() */
7584 /* allocate local 0 (pointer) src_ptr */
7585 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7586 /* allocate local 1 (pointer) dst_ptr */
7587 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7588 /* allocate local 2 (boolean) delete_old */
7589 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
7591 /* delete_old = FALSE */
7592 mono_mb_emit_icon (mb, 0);
7593 mono_mb_emit_stloc (mb, 2);
7595 if (!MONO_TYPE_IS_VOID(sig->ret)) {
7596 /* allocate local 3 to store the return value */
7597 mono_mb_add_local (mb, sig->ret);
7600 if (mspecs [0] && mspecs [0]->native == MONO_NATIVE_CUSTOM) {
7601 /* Return type custom marshaling */
7603 * Since we can't determine the return type of the unmanaged function,
7604 * we assume it returns a pointer, and pass that pointer to
7605 * MarshalNativeToManaged.
7607 csig->ret = &mono_defaults.int_class->byval_arg;
7610 /* we first do all conversions */
7611 tmp_locals = alloca (sizeof (int) * sig->param_count);
7612 m.orig_conv_args = alloca (sizeof (int) * (sig->param_count + 1));
7614 for (i = 0; i < sig->param_count; i ++) {
7615 tmp_locals [i] = emit_marshal (&m, i + sig->hasthis, sig->params [i], mspecs [i + 1], 0, &csig->params [i], MARSHAL_ACTION_CONV_IN);
7618 /* push all arguments */
7621 mono_mb_emit_byte (mb, CEE_LDARG_0);
7623 for (i = 0; i < sig->param_count; i++) {
7624 emit_marshal (&m, i + sig->hasthis, sig->params [i], mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_PUSH);
7627 /* call the native method */
7628 if (MONO_CLASS_IS_IMPORT (mb->method->klass)) {
7630 mono_mb_emit_cominterop_call (mb, csig, &piinfo->method);
7632 g_assert_not_reached ();
7637 /* Reuse the ICALL_ADDR opcode for pinvokes too */
7638 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
7639 mono_mb_emit_op (mb, CEE_MONO_ICALL_ADDR, &piinfo->method);
7640 mono_mb_emit_calli (mb, csig);
7642 mono_mb_emit_native_call (mb, csig, func);
7646 /* Set LastError if needed */
7647 if (piinfo->piflags & PINVOKE_ATTRIBUTE_SUPPORTS_LAST_ERROR) {
7648 if (!get_last_error_sig) {
7649 get_last_error_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
7650 get_last_error_sig->ret = &mono_defaults.int_class->byval_arg;
7651 get_last_error_sig->pinvoke = 1;
7654 #ifdef PLATFORM_WIN32
7656 * Have to call GetLastError () early and without a wrapper, since various runtime components could
7657 * clobber its value.
7659 mono_mb_emit_native_call (mb, get_last_error_sig, GetLastError);
7660 mono_mb_emit_icall (mb, mono_marshal_set_last_error_windows);
7662 mono_mb_emit_icall (mb, mono_marshal_set_last_error);
7666 /* convert the result */
7667 if (!sig->ret->byref) {
7668 MonoMarshalSpec *spec = mspecs [0];
7669 type = sig->ret->type;
7671 if (spec && spec->native == MONO_NATIVE_CUSTOM) {
7672 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
7677 case MONO_TYPE_VOID:
7679 case MONO_TYPE_VALUETYPE:
7680 klass = sig->ret->data.klass;
7681 if (klass->enumtype) {
7682 type = mono_class_enum_basetype (sig->ret->data.klass)->type;
7685 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
7699 case MONO_TYPE_FNPTR:
7700 case MONO_TYPE_STRING:
7701 case MONO_TYPE_CLASS:
7702 case MONO_TYPE_OBJECT:
7703 case MONO_TYPE_BOOLEAN:
7704 case MONO_TYPE_ARRAY:
7705 case MONO_TYPE_SZARRAY:
7706 case MONO_TYPE_CHAR:
7708 case MONO_TYPE_GENERICINST:
7709 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
7711 case MONO_TYPE_TYPEDBYREF:
7713 g_warning ("return type 0x%02x unknown", sig->ret->type);
7714 g_assert_not_reached ();
7718 mono_mb_emit_stloc (mb, 3);
7722 * Need to call this after converting the result since MONO_VTADDR needs
7723 * to be adjacent to the call instruction.
7725 if (check_exceptions)
7726 emit_thread_interrupt_checkpoint (mb);
7728 /* we need to convert byref arguments back and free string arrays */
7729 for (i = 0; i < sig->param_count; i++) {
7730 MonoType *t = sig->params [i];
7731 MonoMarshalSpec *spec = mspecs [i + 1];
7733 argnum = i + sig->hasthis;
7735 if (spec && ((spec->native == MONO_NATIVE_CUSTOM) || (spec->native == MONO_NATIVE_ASANY))) {
7736 emit_marshal (&m, argnum, t, spec, tmp_locals [i], NULL, MARSHAL_ACTION_CONV_OUT);
7741 case MONO_TYPE_STRING:
7742 case MONO_TYPE_VALUETYPE:
7743 case MONO_TYPE_CLASS:
7744 case MONO_TYPE_OBJECT:
7745 case MONO_TYPE_SZARRAY:
7746 case MONO_TYPE_BOOLEAN:
7747 emit_marshal (&m, argnum, t, spec, tmp_locals [i], NULL, MARSHAL_ACTION_CONV_OUT);
7752 if (!MONO_TYPE_IS_VOID(sig->ret))
7753 mono_mb_emit_ldloc (mb, 3);
7755 mono_mb_emit_byte (mb, CEE_RET);
7759 * mono_marshal_get_native_wrapper:
7760 * @method: The MonoMethod to wrap.
7761 * @check_exceptions: Whenever to check for pending exceptions
7763 * generates IL code for the pinvoke wrapper (the generated method
7764 * calls the unmanaged code in piinfo->addr)
7767 mono_marshal_get_native_wrapper (MonoMethod *method, gboolean check_exceptions, gboolean aot)
7769 MonoMethodSignature *sig, *csig;
7770 MonoMethodPInvoke *piinfo = (MonoMethodPInvoke *) method;
7771 MonoMethodBuilder *mb;
7772 MonoMarshalSpec **mspecs;
7775 gboolean pinvoke = FALSE;
7778 const char *exc_class = "MissingMethodException";
7779 const char *exc_arg = NULL;
7781 g_assert (method != NULL);
7782 g_assert (mono_method_signature (method)->pinvoke);
7785 cache = get_cache (&method->klass->image->native_wrapper_aot_cache, mono_aligned_addr_hash, NULL);
7787 cache = get_cache (&method->klass->image->native_wrapper_cache, mono_aligned_addr_hash, NULL);
7788 if ((res = mono_marshal_find_in_cache (cache, method)))
7791 if (MONO_CLASS_IS_IMPORT (method->klass)) {
7793 return mono_cominterop_get_native_wrapper (method);
7795 g_assert_not_reached ();
7799 sig = mono_method_signature (method);
7801 if (!(method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
7802 (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL))
7805 if (!piinfo->addr) {
7807 if (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)
7808 exc_arg = "Method contains unsupported native code";
7810 mono_lookup_pinvoke_call (method, &exc_class, &exc_arg);
7812 piinfo->addr = mono_lookup_internal_call (method);
7815 /* hack - redirect certain string constructors to CreateString */
7816 if (piinfo->addr == ves_icall_System_String_ctor_RedirectToCreateString) {
7817 g_assert (!pinvoke);
7818 g_assert (method->string_ctor);
7819 g_assert (sig->hasthis);
7821 /* CreateString returns a value */
7822 csig = signature_dup (method->klass->image, sig);
7823 csig->ret = &mono_defaults.string_class->byval_arg;
7827 while ((res = mono_class_get_methods (mono_defaults.string_class, &iter))) {
7828 if (!strcmp ("CreateString", res->name) &&
7829 mono_metadata_signature_equal (csig, mono_method_signature (res))) {
7831 g_assert (!(res->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL));
7832 g_assert (!(res->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL));
7834 /* create a wrapper to preserve .ctor in stack trace */
7835 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_MANAGED_TO_MANAGED);
7837 mono_mb_emit_byte (mb, CEE_LDARG_0);
7838 for (i = 1; i <= csig->param_count; i++)
7839 mono_mb_emit_ldarg (mb, i);
7840 mono_mb_emit_managed_call (mb, res, NULL);
7841 mono_mb_emit_byte (mb, CEE_RET);
7843 /* use native_wrapper_cache because internal calls are looked up there */
7844 res = mono_mb_create_and_cache (cache, method,
7845 mb, csig, csig->param_count + 1);
7853 /* exception will be thrown */
7854 piinfo->addr = NULL;
7855 g_warning ("cannot find CreateString for .ctor");
7858 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_MANAGED_TO_NATIVE);
7860 mb->method->save_lmf = 1;
7863 * In AOT mode and embedding scenarios, it is possible that the icall is not
7864 * registered in the runtime doing the AOT compilation.
7866 if (!piinfo->addr && !aot) {
7867 mono_mb_emit_exception (mb, exc_class, exc_arg);
7868 csig = signature_dup (method->klass->image, sig);
7870 res = mono_mb_create_and_cache (cache, method,
7871 mb, csig, csig->param_count + 16);
7876 /* internal calls: we simply push all arguments and call the method (no conversions) */
7877 if (method->iflags & (METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL | METHOD_IMPL_ATTRIBUTE_RUNTIME)) {
7879 /* hack - string constructors returns a value */
7880 if (method->string_ctor) {
7881 csig = signature_dup (method->klass->image, sig);
7882 csig->ret = &mono_defaults.string_class->byval_arg;
7887 mono_mb_emit_byte (mb, CEE_LDARG_0);
7889 for (i = 0; i < sig->param_count; i++)
7890 mono_mb_emit_ldarg (mb, i + sig->hasthis);
7893 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
7894 mono_mb_emit_op (mb, CEE_MONO_ICALL_ADDR, &piinfo->method);
7895 mono_mb_emit_calli (mb, csig);
7897 g_assert (piinfo->addr);
7898 mono_mb_emit_native_call (mb, csig, piinfo->addr);
7900 if (check_exceptions)
7901 emit_thread_interrupt_checkpoint (mb);
7902 mono_mb_emit_byte (mb, CEE_RET);
7904 csig = signature_dup (method->klass->image, csig);
7906 res = mono_mb_create_and_cache (cache, method,
7907 mb, csig, csig->param_count + 16);
7914 g_assert (piinfo->addr);
7916 mspecs = g_new (MonoMarshalSpec*, sig->param_count + 1);
7917 mono_method_get_marshal_info (method, mspecs);
7919 mono_marshal_emit_native_wrapper (mb->method->klass->image, mb, sig, piinfo, mspecs, piinfo->addr, aot, check_exceptions);
7921 csig = signature_dup (method->klass->image, sig);
7923 res = mono_mb_create_and_cache (cache, method,
7924 mb, csig, csig->param_count + 16);
7927 for (i = sig->param_count; i >= 0; i--)
7929 mono_metadata_free_marshal_spec (mspecs [i]);
7932 /* 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)); */
7938 * mono_marshal_get_native_func_wrapper:
7939 * @image: The image to use for memory allocation and for looking up custom marshallers.
7940 * @sig: The signature of the function
7941 * @func: The native function to wrap
7943 * Returns a wrapper method around native functions, similar to the pinvoke
7947 mono_marshal_get_native_func_wrapper (MonoImage *image, MonoMethodSignature *sig,
7948 MonoMethodPInvoke *piinfo, MonoMarshalSpec **mspecs, gpointer func)
7950 MonoMethodSignature *csig;
7952 MonoMethodBuilder *mb;
7957 cache = get_cache (&image->native_wrapper_cache, mono_aligned_addr_hash, NULL);
7958 if ((res = mono_marshal_find_in_cache (cache, func)))
7961 name = g_strdup_printf ("wrapper_native_%p", func);
7962 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_MANAGED_TO_NATIVE);
7963 mb->method->save_lmf = 1;
7965 mono_marshal_emit_native_wrapper (image, mb, sig, piinfo, mspecs, func, FALSE, TRUE);
7967 csig = signature_dup (image, sig);
7969 res = mono_mb_create_and_cache (cache, func,
7970 mb, csig, csig->param_count + 16);
7973 /* 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)); */
7979 * mono_marshal_emit_managed_wrapper:
7981 * Emit the body of a native-to-managed wrapper. INVOKE_SIG is the signature of
7982 * the delegate which wraps the managed method to be called. For closed delegates,
7983 * it could have fewer parameters than the method it wraps.
7984 * THIS_LOC is the memory location where the target of the delegate is stored.
7987 mono_marshal_emit_managed_wrapper (MonoMethodBuilder *mb, MonoMethodSignature *invoke_sig, MonoMarshalSpec **mspecs, EmitMarshalContext* m, MonoMethod *method, MonoObject** this_loc)
7989 MonoMethodSignature *sig, *csig;
7991 gboolean closed = FALSE;
7996 /* allocate local 0 (pointer) src_ptr */
7997 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7998 /* allocate local 1 (pointer) dst_ptr */
7999 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8000 /* allocate local 2 (boolean) delete_old */
8001 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
8003 if (!sig->hasthis && sig->param_count != invoke_sig->param_count) {
8004 /* Closed delegate */
8005 g_assert (sig->param_count == invoke_sig->param_count + 1);
8007 /* Use a new signature without the first argument */
8008 sig = mono_metadata_signature_dup (sig);
8009 memmove (&sig->params [0], &sig->params [1], (sig->param_count - 1) * sizeof (MonoType*));
8010 sig->param_count --;
8013 if (!MONO_TYPE_IS_VOID(sig->ret)) {
8014 /* allocate local 3 to store the return value */
8015 mono_mb_add_local (mb, sig->ret);
8018 mono_mb_emit_icon (mb, 0);
8019 mono_mb_emit_stloc (mb, 2);
8021 /* we first do all conversions */
8022 tmp_locals = alloca (sizeof (int) * sig->param_count);
8023 for (i = 0; i < sig->param_count; i ++) {
8024 MonoType *t = sig->params [i];
8027 case MONO_TYPE_OBJECT:
8028 case MONO_TYPE_CLASS:
8029 case MONO_TYPE_VALUETYPE:
8030 case MONO_TYPE_ARRAY:
8031 case MONO_TYPE_SZARRAY:
8032 case MONO_TYPE_STRING:
8033 case MONO_TYPE_BOOLEAN:
8034 tmp_locals [i] = emit_marshal (m, i, sig->params [i], mspecs [i + 1], 0, &csig->params [i], MARSHAL_ACTION_MANAGED_CONV_IN);
8043 emit_thread_interrupt_checkpoint (mb);
8047 mono_mb_emit_ptr (mb, this_loc);
8048 mono_mb_emit_byte (mb, CEE_LDIND_REF);
8051 g_assert_not_reached ();
8053 } else if (closed) {
8054 mono_mb_emit_ptr (mb, this_loc);
8055 mono_mb_emit_byte (mb, CEE_LDIND_REF);
8058 for (i = 0; i < sig->param_count; i++) {
8059 MonoType *t = sig->params [i];
8061 if (tmp_locals [i]) {
8063 mono_mb_emit_ldloc_addr (mb, tmp_locals [i]);
8065 mono_mb_emit_ldloc (mb, tmp_locals [i]);
8068 mono_mb_emit_ldarg (mb, i);
8071 mono_mb_emit_managed_call (mb, method, NULL);
8073 if (mspecs [0] && mspecs [0]->native == MONO_NATIVE_CUSTOM) {
8074 emit_marshal (m, 0, sig->ret, mspecs [0], 0, NULL, MARSHAL_ACTION_MANAGED_CONV_RESULT);
8075 } else if (!sig->ret->byref) {
8076 switch (sig->ret->type) {
8077 case MONO_TYPE_VOID:
8079 case MONO_TYPE_BOOLEAN:
8082 case MONO_TYPE_CHAR:
8094 case MONO_TYPE_OBJECT:
8095 mono_mb_emit_stloc (mb, 3);
8097 case MONO_TYPE_STRING:
8098 csig->ret = &mono_defaults.int_class->byval_arg;
8099 emit_marshal (m, 0, sig->ret, mspecs [0], 0, NULL, MARSHAL_ACTION_MANAGED_CONV_RESULT);
8101 case MONO_TYPE_VALUETYPE:
8102 case MONO_TYPE_CLASS:
8103 case MONO_TYPE_SZARRAY:
8104 emit_marshal (m, 0, sig->ret, mspecs [0], 0, NULL, MARSHAL_ACTION_MANAGED_CONV_RESULT);
8107 g_warning ("return type 0x%02x unknown", sig->ret->type);
8108 g_assert_not_reached ();
8111 mono_mb_emit_stloc (mb, 3);
8114 /* Convert byref arguments back */
8115 for (i = 0; i < sig->param_count; i ++) {
8116 MonoType *t = sig->params [i];
8117 MonoMarshalSpec *spec = mspecs [i + 1];
8119 if (spec && spec->native == MONO_NATIVE_CUSTOM) {
8120 emit_marshal (m, i, t, mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_MANAGED_CONV_OUT);
8122 else if (t->byref) {
8124 case MONO_TYPE_CLASS:
8125 case MONO_TYPE_VALUETYPE:
8126 case MONO_TYPE_OBJECT:
8127 case MONO_TYPE_STRING:
8128 case MONO_TYPE_BOOLEAN:
8129 emit_marshal (m, i, t, mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_MANAGED_CONV_OUT);
8133 else if (invoke_sig->params [i]->attrs & PARAM_ATTRIBUTE_OUT) {
8134 /* The [Out] information is encoded in the delegate signature */
8136 case MONO_TYPE_SZARRAY:
8137 case MONO_TYPE_CLASS:
8138 case MONO_TYPE_VALUETYPE:
8139 emit_marshal (m, i, invoke_sig->params [i], mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_MANAGED_CONV_OUT);
8142 g_assert_not_reached ();
8147 if (m->retobj_var) {
8148 mono_mb_emit_ldloc (mb, m->retobj_var);
8149 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
8150 mono_mb_emit_op (mb, CEE_MONO_RETOBJ, m->retobj_class);
8153 if (!MONO_TYPE_IS_VOID(sig->ret))
8154 mono_mb_emit_ldloc (mb, 3);
8155 mono_mb_emit_byte (mb, CEE_RET);
8164 mono_marshal_set_callconv_from_modopt (MonoMethod *method, MonoMethodSignature *csig)
8166 MonoMethodSignature *sig;
8169 #ifdef PLATFORM_WIN32
8171 * Under windows, delegates passed to native code must use the STDCALL
8172 * calling convention.
8174 csig->call_convention = MONO_CALL_STDCALL;
8177 sig = mono_method_signature (method);
8179 /* Change default calling convention if needed */
8180 /* Why is this a modopt ? */
8181 if (sig->ret && sig->ret->num_mods) {
8182 for (i = 0; i < sig->ret->num_mods; ++i) {
8183 MonoClass *cmod_class = mono_class_get (method->klass->image, sig->ret->modifiers [i].token);
8184 g_assert (cmod_class);
8185 if ((cmod_class->image == mono_defaults.corlib) && !strcmp (cmod_class->name_space, "System.Runtime.CompilerServices")) {
8186 if (!strcmp (cmod_class->name, "CallConvCdecl"))
8187 csig->call_convention = MONO_CALL_C;
8188 else if (!strcmp (cmod_class->name, "CallConvStdcall"))
8189 csig->call_convention = MONO_CALL_STDCALL;
8190 else if (!strcmp (cmod_class->name, "CallConvFastcall"))
8191 csig->call_convention = MONO_CALL_FASTCALL;
8192 else if (!strcmp (cmod_class->name, "CallConvThiscall"))
8193 csig->call_convention = MONO_CALL_THISCALL;
8200 * generates IL code to call managed methods from unmanaged code
8203 mono_marshal_get_managed_wrapper (MonoMethod *method, MonoClass *delegate_klass, MonoObject **this_loc)
8205 static MonoClass *UnmanagedFunctionPointerAttribute;
8206 MonoMethodSignature *sig, *csig, *invoke_sig;
8207 MonoMethodBuilder *mb;
8208 MonoMethod *res, *invoke;
8209 MonoMarshalSpec **mspecs;
8210 MonoMethodPInvoke piinfo;
8213 EmitMarshalContext m;
8215 g_assert (method != NULL);
8216 g_assert (!mono_method_signature (method)->pinvoke);
8219 * FIXME: Should cache the method+delegate type pair, since the same method
8220 * could be called with different delegates, thus different marshalling
8223 cache = get_cache (&method->klass->image->managed_wrapper_cache, mono_aligned_addr_hash, NULL);
8224 if (!this_loc && (res = mono_marshal_find_in_cache (cache, method)))
8227 invoke = mono_get_delegate_invoke (delegate_klass);
8228 invoke_sig = mono_method_signature (invoke);
8230 mspecs = g_new0 (MonoMarshalSpec*, mono_method_signature (invoke)->param_count + 1);
8231 mono_method_get_marshal_info (invoke, mspecs);
8233 sig = mono_method_signature (method);
8235 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_NATIVE_TO_MANAGED);
8237 /* we copy the signature, so that we can modify it */
8239 /* Need to free this later */
8240 csig = mono_metadata_signature_dup (invoke_sig);
8242 csig = signature_dup (method->klass->image, invoke_sig);
8251 m.image = method->klass->image;
8253 mono_marshal_set_callconv_from_modopt (invoke, csig);
8255 /* Handle the UnmanagedFunctionPointerAttribute */
8256 if (!UnmanagedFunctionPointerAttribute)
8257 UnmanagedFunctionPointerAttribute = mono_class_from_name (mono_defaults.corlib, "System.Runtime.InteropServices", "UnmanagedFunctionPointerAttribute");
8259 /* The attribute is only available in Net 2.0 */
8260 if (UnmanagedFunctionPointerAttribute) {
8261 MonoReflectionUnmanagedFunctionPointerAttribute *attr;
8262 MonoCustomAttrInfo *cinfo;
8265 * The pinvoke attributes are stored in a real custom attribute so we have to
8268 cinfo = mono_custom_attrs_from_class (delegate_klass);
8270 attr = (MonoReflectionUnmanagedFunctionPointerAttribute*)mono_custom_attrs_get_attr (cinfo, UnmanagedFunctionPointerAttribute);
8272 memset (&piinfo, 0, sizeof (piinfo));
8274 piinfo.piflags = (attr->call_conv << 8) | (attr->charset ? (attr->charset - 1) * 2 : 1) | attr->set_last_error;
8276 csig->call_convention = attr->call_conv - 1;
8279 mono_custom_attrs_free (cinfo);
8283 mono_marshal_emit_managed_wrapper (mb, invoke_sig, mspecs, &m, method, this_loc);
8286 res = mono_mb_create_and_cache (cache, method,
8287 mb, csig, sig->param_count + 16);
8290 res = mono_mb_create_method (mb, csig, sig->param_count + 16);
8294 for (i = mono_method_signature (invoke)->param_count; i >= 0; i--)
8296 mono_metadata_free_marshal_spec (mspecs [i]);
8299 /* 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)); */
8305 mono_marshal_get_vtfixup_ftnptr (MonoImage *image, guint32 token, guint16 type)
8308 MonoMethodSignature *sig;
8309 MonoMethodBuilder *mb;
8314 method = mono_get_method (image, token, NULL);
8317 if (type & (VTFIXUP_TYPE_FROM_UNMANAGED | VTFIXUP_TYPE_FROM_UNMANAGED_RETAIN_APPDOMAIN)) {
8318 MonoMethodSignature *csig;
8319 MonoMarshalSpec **mspecs;
8320 EmitMarshalContext m;
8322 sig = mono_method_signature (method);
8323 g_assert (!sig->hasthis);
8325 mspecs = g_new0 (MonoMarshalSpec*, sig->param_count + 1);
8326 mono_method_get_marshal_info (method, mspecs);
8328 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_NATIVE_TO_MANAGED);
8329 csig = signature_dup (image, sig);
8340 mono_marshal_set_callconv_from_modopt (method, csig);
8342 /* FIXME: Implement VTFIXUP_TYPE_FROM_UNMANAGED_RETAIN_APPDOMAIN. */
8344 mono_marshal_emit_managed_wrapper (mb, sig, mspecs, &m, method, NULL);
8347 method = mono_mb_create_method (mb, csig, sig->param_count + 16);
8350 for (i = sig->param_count; i >= 0; i--)
8352 mono_metadata_free_marshal_spec (mspecs [i]);
8355 return mono_compile_method (method);
8358 sig = mono_method_signature (method);
8359 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_MANAGED_TO_MANAGED);
8361 param_count = sig->param_count + sig->hasthis;
8362 for (i = 0; i < param_count; i++)
8363 mono_mb_emit_ldarg (mb, i);
8365 if (type & VTFIXUP_TYPE_CALL_MOST_DERIVED)
8366 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
8368 mono_mb_emit_op (mb, CEE_CALL, method);
8369 mono_mb_emit_byte (mb, CEE_RET);
8372 method = mono_mb_create_method (mb, sig, param_count);
8375 return mono_compile_method (method);
8378 static MonoReflectionType *
8379 type_from_handle (MonoType *handle)
8381 MonoDomain *domain = mono_domain_get ();
8382 MonoClass *klass = mono_class_from_mono_type (handle);
8384 MONO_ARCH_SAVE_REGS;
8386 mono_class_init (klass);
8387 return mono_type_get_object (domain, handle);
8391 * mono_marshal_get_isinst:
8392 * @klass: the type of the field
8394 * This method generates a function which can be used to check if an object is
8395 * an instance of the given type, icluding the case where the object is a proxy.
8396 * The generated function has the following signature:
8397 * MonoObject* __isinst_wrapper_ (MonoObject *obj)
8400 mono_marshal_get_isinst (MonoClass *klass)
8402 static MonoMethodSignature *isint_sig = NULL;
8405 int pos_was_ok, pos_failed, pos_end, pos_end2;
8407 MonoMethodBuilder *mb;
8409 cache = get_cache (&klass->image->isinst_cache, mono_aligned_addr_hash, NULL);
8410 if ((res = mono_marshal_find_in_cache (cache, klass)))
8414 isint_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
8415 isint_sig->params [0] = &mono_defaults.object_class->byval_arg;
8416 isint_sig->ret = &mono_defaults.object_class->byval_arg;
8417 isint_sig->pinvoke = 0;
8420 name = g_strdup_printf ("__isinst_wrapper_%s", klass->name);
8421 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_ISINST);
8424 mb->method->save_lmf = 1;
8426 /* check if the object is a proxy that needs special cast */
8427 mono_mb_emit_ldarg (mb, 0);
8428 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
8429 mono_mb_emit_op (mb, CEE_MONO_CISINST, klass);
8431 /* The result of MONO_ISINST can be:
8432 0) the type check succeeded
8433 1) the type check did not succeed
8434 2) a CanCastTo call is needed */
8436 mono_mb_emit_byte (mb, CEE_DUP);
8437 pos_was_ok = mono_mb_emit_branch (mb, CEE_BRFALSE);
8439 mono_mb_emit_byte (mb, CEE_LDC_I4_2);
8440 pos_failed = mono_mb_emit_branch (mb, CEE_BNE_UN);
8442 /* get the real proxy from the transparent proxy*/
8444 mono_mb_emit_ldarg (mb, 0);
8445 mono_mb_emit_managed_call (mb, mono_marshal_get_proxy_cancast (klass), NULL);
8446 pos_end = mono_mb_emit_branch (mb, CEE_BR);
8450 mono_mb_patch_branch (mb, pos_failed);
8451 mono_mb_emit_byte (mb, CEE_LDNULL);
8452 pos_end2 = mono_mb_emit_branch (mb, CEE_BR);
8456 mono_mb_patch_branch (mb, pos_was_ok);
8457 mono_mb_emit_byte (mb, CEE_POP);
8458 mono_mb_emit_ldarg (mb, 0);
8462 mono_mb_patch_branch (mb, pos_end);
8463 mono_mb_patch_branch (mb, pos_end2);
8464 mono_mb_emit_byte (mb, CEE_RET);
8466 res = mono_mb_create_and_cache (cache, klass, mb, isint_sig, isint_sig->param_count + 16);
8473 * mono_marshal_get_castclass:
8474 * @klass: the type of the field
8476 * This method generates a function which can be used to cast an object to
8477 * an instance of the given type, icluding the case where the object is a proxy.
8478 * The generated function has the following signature:
8479 * MonoObject* __castclass_wrapper_ (MonoObject *obj)
8482 mono_marshal_get_castclass (MonoClass *klass)
8484 static MonoMethodSignature *castclass_sig = NULL;
8487 int pos_was_ok, pos_was_ok2;
8489 MonoMethodBuilder *mb;
8491 cache = get_cache (&klass->image->castclass_cache, mono_aligned_addr_hash, NULL);
8492 if ((res = mono_marshal_find_in_cache (cache, klass)))
8495 if (!castclass_sig) {
8496 castclass_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
8497 castclass_sig->params [0] = &mono_defaults.object_class->byval_arg;
8498 castclass_sig->ret = &mono_defaults.object_class->byval_arg;
8499 castclass_sig->pinvoke = 0;
8502 name = g_strdup_printf ("__castclass_wrapper_%s", klass->name);
8503 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_CASTCLASS);
8506 mb->method->save_lmf = 1;
8508 /* check if the object is a proxy that needs special cast */
8509 mono_mb_emit_ldarg (mb, 0);
8510 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
8511 mono_mb_emit_op (mb, CEE_MONO_CCASTCLASS, klass);
8513 /* The result of MONO_ISINST can be:
8514 0) the cast is valid
8515 1) cast of unknown proxy type
8516 or an exception if the cast is is invalid
8519 pos_was_ok = mono_mb_emit_branch (mb, CEE_BRFALSE);
8521 /* get the real proxy from the transparent proxy*/
8523 mono_mb_emit_ldarg (mb, 0);
8524 mono_mb_emit_managed_call (mb, mono_marshal_get_proxy_cancast (klass), NULL);
8525 pos_was_ok2 = mono_mb_emit_branch (mb, CEE_BRTRUE);
8528 mono_mb_emit_exception (mb, "InvalidCastException", NULL);
8531 mono_mb_patch_branch (mb, pos_was_ok);
8532 mono_mb_patch_branch (mb, pos_was_ok2);
8533 mono_mb_emit_ldarg (mb, 0);
8536 mono_mb_emit_byte (mb, CEE_RET);
8538 res = mono_mb_create_and_cache (cache, klass, mb, castclass_sig, castclass_sig->param_count + 16);
8545 mono_marshal_get_proxy_cancast (MonoClass *klass)
8547 static MonoMethodSignature *isint_sig = NULL;
8550 int pos_failed, pos_end;
8552 MonoMethod *can_cast_to;
8553 MonoMethodDesc *desc;
8554 MonoMethodBuilder *mb;
8556 cache = get_cache (&klass->image->proxy_isinst_cache, mono_aligned_addr_hash, NULL);
8557 if ((res = mono_marshal_find_in_cache (cache, klass)))
8561 isint_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
8562 isint_sig->params [0] = &mono_defaults.object_class->byval_arg;
8563 isint_sig->ret = &mono_defaults.object_class->byval_arg;
8564 isint_sig->pinvoke = 0;
8567 name = g_strdup_printf ("__proxy_isinst_wrapper_%s", klass->name);
8568 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_PROXY_ISINST);
8571 mb->method->save_lmf = 1;
8573 /* get the real proxy from the transparent proxy*/
8574 mono_mb_emit_ldarg (mb, 0);
8575 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
8576 mono_mb_emit_byte (mb, CEE_LDIND_REF);
8578 /* get the reflection type from the type handle */
8579 mono_mb_emit_ptr (mb, &klass->byval_arg);
8580 mono_mb_emit_icall (mb, type_from_handle);
8582 mono_mb_emit_ldarg (mb, 0);
8584 /* make the call to CanCastTo (type, ob) */
8585 desc = mono_method_desc_new ("IRemotingTypeInfo:CanCastTo", FALSE);
8586 can_cast_to = mono_method_desc_search_in_class (desc, mono_defaults.iremotingtypeinfo_class);
8587 g_assert (can_cast_to);
8588 mono_method_desc_free (desc);
8589 mono_mb_emit_op (mb, CEE_CALLVIRT, can_cast_to);
8591 pos_failed = mono_mb_emit_branch (mb, CEE_BRFALSE);
8593 /* Upgrade the proxy vtable by calling: mono_upgrade_remote_class_wrapper (type, ob)*/
8594 mono_mb_emit_ptr (mb, &klass->byval_arg);
8595 mono_mb_emit_icall (mb, type_from_handle);
8596 mono_mb_emit_ldarg (mb, 0);
8598 mono_mb_emit_icall (mb, mono_upgrade_remote_class_wrapper);
8599 emit_thread_interrupt_checkpoint (mb);
8601 mono_mb_emit_ldarg (mb, 0);
8602 pos_end = mono_mb_emit_branch (mb, CEE_BR);
8606 mono_mb_patch_branch (mb, pos_failed);
8607 mono_mb_emit_byte (mb, CEE_LDNULL);
8611 mono_mb_patch_branch (mb, pos_end);
8612 mono_mb_emit_byte (mb, CEE_RET);
8614 res = mono_mb_create_and_cache (cache, klass, mb, isint_sig, isint_sig->param_count + 16);
8621 mono_upgrade_remote_class_wrapper (MonoReflectionType *rtype, MonoTransparentProxy *tproxy)
8624 MonoDomain *domain = ((MonoObject*)tproxy)->vtable->domain;
8625 klass = mono_class_from_mono_type (rtype->type);
8626 mono_upgrade_remote_class (domain, (MonoObject*)tproxy, klass);
8630 * mono_marshal_get_struct_to_ptr:
8633 * generates IL code for StructureToPtr (object structure, IntPtr ptr, bool fDeleteOld)
8636 mono_marshal_get_struct_to_ptr (MonoClass *klass)
8638 MonoMethodBuilder *mb;
8639 static MonoMethod *stoptr = NULL;
8642 g_assert (klass != NULL);
8644 mono_marshal_load_type_info (klass);
8646 if (klass->marshal_info->str_to_ptr)
8647 return klass->marshal_info->str_to_ptr;
8650 stoptr = mono_class_get_method_from_name (mono_defaults.marshal_class, "StructureToPtr", 3);
8653 mb = mono_mb_new (klass, stoptr->name, MONO_WRAPPER_UNKNOWN);
8655 if (klass->blittable) {
8656 mono_mb_emit_byte (mb, CEE_LDARG_1);
8657 mono_mb_emit_byte (mb, CEE_LDARG_0);
8658 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
8659 mono_mb_emit_icon (mb, mono_class_value_size (klass, NULL));
8660 mono_mb_emit_byte (mb, CEE_PREFIX1);
8661 mono_mb_emit_byte (mb, CEE_CPBLK);
8664 /* allocate local 0 (pointer) src_ptr */
8665 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8666 /* allocate local 1 (pointer) dst_ptr */
8667 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8668 /* allocate local 2 (boolean) delete_old */
8669 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
8670 mono_mb_emit_byte (mb, CEE_LDARG_2);
8671 mono_mb_emit_stloc (mb, 2);
8673 /* initialize src_ptr to point to the start of object data */
8674 mono_mb_emit_byte (mb, CEE_LDARG_0);
8675 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
8676 mono_mb_emit_stloc (mb, 0);
8678 /* initialize dst_ptr */
8679 mono_mb_emit_byte (mb, CEE_LDARG_1);
8680 mono_mb_emit_stloc (mb, 1);
8682 emit_struct_conv (mb, klass, FALSE);
8685 mono_mb_emit_byte (mb, CEE_RET);
8687 res = mono_mb_create_method (mb, mono_signature_no_pinvoke (stoptr), 0);
8690 klass->marshal_info->str_to_ptr = res;
8695 * mono_marshal_get_ptr_to_struct:
8698 * generates IL code for PtrToStructure (IntPtr src, object structure)
8701 mono_marshal_get_ptr_to_struct (MonoClass *klass)
8703 MonoMethodBuilder *mb;
8704 static MonoMethodSignature *ptostr = NULL;
8707 g_assert (klass != NULL);
8709 mono_marshal_load_type_info (klass);
8711 if (klass->marshal_info->ptr_to_str)
8712 return klass->marshal_info->ptr_to_str;
8715 MonoMethodSignature *sig;
8717 /* Create the signature corresponding to
8718 static void PtrToStructure (IntPtr ptr, object structure);
8719 defined in class/corlib/System.Runtime.InteropServices/Marshal.cs */
8720 sig = mono_create_icall_signature ("void ptr object");
8721 sig = signature_dup (mono_defaults.corlib, sig);
8723 mono_memory_barrier ();
8727 mb = mono_mb_new (klass, "PtrToStructure", MONO_WRAPPER_UNKNOWN);
8729 if (klass->blittable) {
8730 mono_mb_emit_byte (mb, CEE_LDARG_1);
8731 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
8732 mono_mb_emit_byte (mb, CEE_LDARG_0);
8733 mono_mb_emit_icon (mb, mono_class_value_size (klass, NULL));
8734 mono_mb_emit_byte (mb, CEE_PREFIX1);
8735 mono_mb_emit_byte (mb, CEE_CPBLK);
8738 /* allocate local 0 (pointer) src_ptr */
8739 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8740 /* allocate local 1 (pointer) dst_ptr */
8741 mono_mb_add_local (mb, &klass->this_arg);
8743 /* initialize src_ptr to point to the start of object data */
8744 mono_mb_emit_byte (mb, CEE_LDARG_0);
8745 mono_mb_emit_stloc (mb, 0);
8747 /* initialize dst_ptr */
8748 mono_mb_emit_byte (mb, CEE_LDARG_1);
8749 mono_mb_emit_op (mb, CEE_UNBOX, klass);
8750 mono_mb_emit_stloc (mb, 1);
8752 emit_struct_conv (mb, klass, TRUE);
8755 mono_mb_emit_byte (mb, CEE_RET);
8757 res = mono_mb_create_method (mb, ptostr, 0);
8760 klass->marshal_info->ptr_to_str = res;
8765 * generates IL code for the synchronized wrapper: the generated method
8766 * calls METHOD while locking 'this' or the parent type.
8769 mono_marshal_get_synchronized_wrapper (MonoMethod *method)
8771 static MonoMethod *enter_method, *exit_method, *gettypefromhandle_method;
8772 MonoMethodSignature *sig;
8773 MonoExceptionClause *clause;
8774 MonoMethodBuilder *mb;
8777 int i, pos, this_local, ret_local = 0;
8781 if (method->wrapper_type == MONO_WRAPPER_SYNCHRONIZED)
8784 cache = get_cache (&method->klass->image->synchronized_cache, mono_aligned_addr_hash, NULL);
8785 if ((res = mono_marshal_find_in_cache (cache, method)))
8788 sig = signature_dup (method->klass->image, mono_method_signature (method));
8791 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_SYNCHRONIZED);
8794 if (!MONO_TYPE_IS_VOID (sig->ret))
8795 ret_local = mono_mb_add_local (mb, sig->ret);
8797 if (method->klass->valuetype && !(method->flags & MONO_METHOD_ATTR_STATIC)) {
8798 mono_class_set_failure (method->klass, MONO_EXCEPTION_TYPE_LOAD, NULL);
8799 /* This will throw the type load exception when the wrapper is compiled */
8800 mono_mb_emit_byte (mb, CEE_LDNULL);
8801 mono_mb_emit_op (mb, CEE_ISINST, method->klass);
8802 mono_mb_emit_byte (mb, CEE_POP);
8804 if (!MONO_TYPE_IS_VOID (sig->ret))
8805 mono_mb_emit_ldloc (mb, ret_local);
8806 mono_mb_emit_byte (mb, CEE_RET);
8808 res = mono_mb_create_and_cache (cache, method,
8809 mb, sig, sig->param_count + 16);
8816 this_local = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
8818 clause = mono_image_alloc0 (method->klass->image, sizeof (MonoExceptionClause));
8819 clause->flags = MONO_EXCEPTION_CLAUSE_FINALLY;
8821 mono_loader_lock ();
8823 if (!enter_method) {
8824 MonoMethodDesc *desc;
8826 desc = mono_method_desc_new ("Monitor:Enter", FALSE);
8827 enter_method = mono_method_desc_search_in_class (desc, mono_defaults.monitor_class);
8828 g_assert (enter_method);
8829 mono_method_desc_free (desc);
8831 desc = mono_method_desc_new ("Monitor:Exit", FALSE);
8832 exit_method = mono_method_desc_search_in_class (desc, mono_defaults.monitor_class);
8833 g_assert (exit_method);
8834 mono_method_desc_free (desc);
8836 desc = mono_method_desc_new ("Type:GetTypeFromHandle", FALSE);
8837 gettypefromhandle_method = mono_method_desc_search_in_class (desc, mono_defaults.monotype_class->parent);
8838 g_assert (gettypefromhandle_method);
8839 mono_method_desc_free (desc);
8842 mono_loader_unlock ();
8844 /* Push this or the type object */
8845 if (method->flags & METHOD_ATTRIBUTE_STATIC) {
8846 /* We have special handling for this in the JIT */
8847 int index = mono_mb_add_data (mb, method->klass);
8848 mono_mb_add_data (mb, mono_defaults.typehandle_class);
8849 mono_mb_emit_byte (mb, CEE_LDTOKEN);
8850 mono_mb_emit_i4 (mb, index);
8852 mono_mb_emit_managed_call (mb, gettypefromhandle_method, NULL);
8855 mono_mb_emit_ldarg (mb, 0);
8856 mono_mb_emit_stloc (mb, this_local);
8858 /* Call Monitor::Enter() */
8859 mono_mb_emit_ldloc (mb, this_local);
8860 mono_mb_emit_managed_call (mb, enter_method, NULL);
8862 clause->try_offset = mono_mb_get_label (mb);
8864 /* Call the method */
8866 mono_mb_emit_ldarg (mb, 0);
8867 for (i = 0; i < sig->param_count; i++)
8868 mono_mb_emit_ldarg (mb, i + (sig->hasthis == TRUE));
8870 mono_mb_emit_managed_call (mb, method, NULL);
8872 if (!MONO_TYPE_IS_VOID (sig->ret))
8873 mono_mb_emit_stloc (mb, ret_local);
8875 pos = mono_mb_emit_branch (mb, CEE_LEAVE);
8877 clause->try_len = mono_mb_get_pos (mb) - clause->try_offset;
8878 clause->handler_offset = mono_mb_get_label (mb);
8880 /* Call Monitor::Exit() */
8881 mono_mb_emit_ldloc (mb, this_local);
8882 mono_mb_emit_managed_call (mb, exit_method, NULL);
8883 mono_mb_emit_byte (mb, CEE_ENDFINALLY);
8885 clause->handler_len = mono_mb_get_pos (mb) - clause->handler_offset;
8887 mono_mb_patch_branch (mb, pos);
8888 if (!MONO_TYPE_IS_VOID (sig->ret))
8889 mono_mb_emit_ldloc (mb, ret_local);
8890 mono_mb_emit_byte (mb, CEE_RET);
8892 mono_mb_set_clauses (mb, 1, clause);
8894 res = mono_mb_create_and_cache (cache, method,
8895 mb, sig, sig->param_count + 16);
8903 * the returned method calls 'method' unboxing the this argument
8906 mono_marshal_get_unbox_wrapper (MonoMethod *method)
8908 MonoMethodSignature *sig = mono_method_signature (method);
8910 MonoMethodBuilder *mb;
8914 cache = get_cache (&method->klass->image->unbox_wrapper_cache, mono_aligned_addr_hash, NULL);
8915 if ((res = mono_marshal_find_in_cache (cache, method)))
8918 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_UNBOX);
8920 g_assert (sig->hasthis);
8922 mono_mb_emit_ldarg (mb, 0);
8923 mono_mb_emit_icon (mb, sizeof (MonoObject));
8924 mono_mb_emit_byte (mb, CEE_ADD);
8925 for (i = 0; i < sig->param_count; ++i)
8926 mono_mb_emit_ldarg (mb, i + 1);
8927 mono_mb_emit_managed_call (mb, method, NULL);
8928 mono_mb_emit_byte (mb, CEE_RET);
8930 res = mono_mb_create_and_cache (cache, method,
8931 mb, sig, sig->param_count + 16);
8934 /* 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)); */
8940 mono_marshal_get_stelemref ()
8942 static MonoMethod* ret = NULL;
8943 MonoMethodSignature *sig;
8944 MonoMethodBuilder *mb;
8946 guint32 b1, b2, b3, b4;
8949 int array_slot_addr;
8954 mb = mono_mb_new (mono_defaults.object_class, "stelemref", MONO_WRAPPER_STELEMREF);
8957 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
8959 /* void stelemref (void* array, int idx, void* value) */
8960 sig->ret = &mono_defaults.void_class->byval_arg;
8961 sig->params [0] = &mono_defaults.object_class->byval_arg;
8962 sig->params [1] = &mono_defaults.int_class->byval_arg; /* this is a natural sized int */
8963 sig->params [2] = &mono_defaults.object_class->byval_arg;
8965 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8966 vklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8967 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
8971 <ldelema (bound check)>
8975 aklass = array->vtable->klass->element_class;
8976 vklass = value->vtable->klass;
8978 if (vklass->idepth < aklass->idepth)
8981 if (vklass->supertypes [aklass->idepth - 1] != aklass)
8985 *array_slot_addr = value;
8989 if (mono_object_isinst (value, aklass))
8992 throw new ArrayTypeMismatchException ();
8995 /* ldelema (implicit bound check) */
8996 mono_mb_emit_ldarg (mb, 0);
8997 mono_mb_emit_ldarg (mb, 1);
8998 mono_mb_emit_op (mb, CEE_LDELEMA, mono_defaults.object_class);
8999 mono_mb_emit_stloc (mb, array_slot_addr);
9001 /* if (!value) goto do_store */
9002 mono_mb_emit_ldarg (mb, 2);
9003 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
9005 /* aklass = array->vtable->klass->element_class */
9006 mono_mb_emit_ldarg (mb, 0);
9007 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
9008 mono_mb_emit_byte (mb, CEE_LDIND_I);
9009 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, klass));
9010 mono_mb_emit_byte (mb, CEE_LDIND_I);
9011 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, element_class));
9012 mono_mb_emit_byte (mb, CEE_LDIND_I);
9013 mono_mb_emit_stloc (mb, aklass);
9015 /* vklass = value->vtable->klass */
9016 mono_mb_emit_ldarg (mb, 2);
9017 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
9018 mono_mb_emit_byte (mb, CEE_LDIND_I);
9019 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, klass));
9020 mono_mb_emit_byte (mb, CEE_LDIND_I);
9021 mono_mb_emit_stloc (mb, vklass);
9023 /* if (vklass->idepth < aklass->idepth) goto failue */
9024 mono_mb_emit_ldloc (mb, vklass);
9025 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
9026 mono_mb_emit_byte (mb, CEE_LDIND_U2);
9028 mono_mb_emit_ldloc (mb, aklass);
9029 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
9030 mono_mb_emit_byte (mb, CEE_LDIND_U2);
9032 b2 = mono_mb_emit_branch (mb, CEE_BLT_UN);
9034 /* if (vklass->supertypes [aklass->idepth - 1] != aklass) goto failure */
9035 mono_mb_emit_ldloc (mb, vklass);
9036 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, supertypes));
9037 mono_mb_emit_byte (mb, CEE_LDIND_I);
9039 mono_mb_emit_ldloc (mb, aklass);
9040 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
9041 mono_mb_emit_byte (mb, CEE_LDIND_U2);
9042 mono_mb_emit_icon (mb, 1);
9043 mono_mb_emit_byte (mb, CEE_SUB);
9044 mono_mb_emit_icon (mb, sizeof (void*));
9045 mono_mb_emit_byte (mb, CEE_MUL);
9046 mono_mb_emit_byte (mb, CEE_ADD);
9047 mono_mb_emit_byte (mb, CEE_LDIND_I);
9049 mono_mb_emit_ldloc (mb, aklass);
9051 b3 = mono_mb_emit_branch (mb, CEE_BNE_UN);
9053 copy_pos = mono_mb_get_label (mb);
9055 mono_mb_patch_branch (mb, b1);
9056 mono_mb_emit_ldloc (mb, array_slot_addr);
9057 mono_mb_emit_ldarg (mb, 2);
9058 mono_mb_emit_byte (mb, CEE_STIND_REF);
9060 mono_mb_emit_byte (mb, CEE_RET);
9063 mono_mb_patch_branch (mb, b2);
9064 mono_mb_patch_branch (mb, b3);
9066 mono_mb_emit_ldarg (mb, 2);
9067 mono_mb_emit_ldloc (mb, aklass);
9068 mono_mb_emit_icall (mb, mono_object_isinst);
9070 b4 = mono_mb_emit_branch (mb, CEE_BRTRUE);
9071 mono_mb_patch_addr (mb, b4, copy_pos - (b4 + 4));
9072 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
9074 mono_mb_emit_byte (mb, CEE_RET);
9075 ret = mono_mb_create_method (mb, sig, 4);
9086 /* LOCKING: vars accessed under the marshal lock */
9087 static ArrayElemAddr *elem_addr_cache = NULL;
9088 static int elem_addr_cache_size = 0;
9089 static int elem_addr_cache_next = 0;
9092 * mono_marshal_get_array_address:
9093 * @rank: rank of the array type
9094 * @elem_size: size in bytes of an element of an array.
9096 * Returns a MonoMethd that implements the code to get the address
9097 * of an element in a multi-dimenasional array of @rank dimensions.
9098 * The returned method takes an array as the first argument and then
9099 * @rank indexes for the @rank dimensions.
9102 mono_marshal_get_array_address (int rank, int elem_size)
9105 MonoMethodBuilder *mb;
9106 MonoMethodSignature *sig;
9107 int i, bounds, ind, realidx;
9108 int branch_pos, *branch_positions;
9112 mono_marshal_lock ();
9113 for (i = 0; i < elem_addr_cache_next; ++i) {
9114 if (elem_addr_cache [i].rank == rank && elem_addr_cache [i].elem_size == elem_size) {
9115 ret = elem_addr_cache [i].method;
9119 mono_marshal_unlock ();
9123 branch_positions = g_new0 (int, rank);
9125 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1 + rank);
9127 /* void* address (void* array, int idx0, int idx1, int idx2, ...) */
9128 sig->ret = &mono_defaults.int_class->byval_arg;
9129 sig->params [0] = &mono_defaults.object_class->byval_arg;
9130 for (i = 0; i < rank; ++i) {
9131 sig->params [i + 1] = &mono_defaults.int32_class->byval_arg;
9134 mb = mono_mb_new (mono_defaults.object_class, "ElementAddr", MONO_WRAPPER_MANAGED_TO_MANAGED);
9136 bounds = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9137 ind = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
9138 realidx = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
9140 /* bounds = array->bounds; */
9141 mono_mb_emit_ldarg (mb, 0);
9142 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoArray, bounds));
9143 mono_mb_emit_byte (mb, CEE_LDIND_I);
9144 mono_mb_emit_stloc (mb, bounds);
9146 /* ind is the overall element index, realidx is the partial index in a single dimension */
9147 /* ind = idx0 - bounds [0].lower_bound */
9148 mono_mb_emit_ldarg (mb, 1);
9149 mono_mb_emit_ldloc (mb, bounds);
9150 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArrayBounds, lower_bound));
9151 mono_mb_emit_byte (mb, CEE_ADD);
9152 mono_mb_emit_byte (mb, CEE_LDIND_I4);
9153 mono_mb_emit_byte (mb, CEE_SUB);
9154 mono_mb_emit_stloc (mb, ind);
9155 /* if (ind >= bounds [0].length) goto exeception; */
9156 mono_mb_emit_ldloc (mb, ind);
9157 mono_mb_emit_ldloc (mb, bounds);
9158 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArrayBounds, length));
9159 mono_mb_emit_byte (mb, CEE_ADD);
9160 mono_mb_emit_byte (mb, CEE_LDIND_I4);
9161 /* note that we use unsigned comparison */
9162 branch_pos = mono_mb_emit_branch (mb, CEE_BGE_UN);
9164 /* For large ranks (> 4?) use a loop n IL later to reduce code size.
9165 * We could also decide to ignore the passed elem_size and get it
9166 * from the array object, to reduce the number of methods we generate:
9167 * the additional cost is 3 memory loads and a non-immediate mul.
9169 for (i = 1; i < rank; ++i) {
9170 /* realidx = idxi - bounds [i].lower_bound */
9171 mono_mb_emit_ldarg (mb, 1 + i);
9172 mono_mb_emit_ldloc (mb, bounds);
9173 mono_mb_emit_icon (mb, (i * sizeof (MonoArrayBounds)) + G_STRUCT_OFFSET (MonoArrayBounds, lower_bound));
9174 mono_mb_emit_byte (mb, CEE_ADD);
9175 mono_mb_emit_byte (mb, CEE_LDIND_I4);
9176 mono_mb_emit_byte (mb, CEE_SUB);
9177 mono_mb_emit_stloc (mb, realidx);
9178 /* if (realidx >= bounds [i].length) goto exeception; */
9179 mono_mb_emit_ldloc (mb, realidx);
9180 mono_mb_emit_ldloc (mb, bounds);
9181 mono_mb_emit_icon (mb, (i * sizeof (MonoArrayBounds)) + G_STRUCT_OFFSET (MonoArrayBounds, length));
9182 mono_mb_emit_byte (mb, CEE_ADD);
9183 mono_mb_emit_byte (mb, CEE_LDIND_I4);
9184 branch_positions [i] = mono_mb_emit_branch (mb, CEE_BGE_UN);
9185 /* ind = ind * bounds [i].length + realidx */
9186 mono_mb_emit_ldloc (mb, ind);
9187 mono_mb_emit_ldloc (mb, bounds);
9188 mono_mb_emit_icon (mb, (i * sizeof (MonoArrayBounds)) + G_STRUCT_OFFSET (MonoArrayBounds, length));
9189 mono_mb_emit_byte (mb, CEE_ADD);
9190 mono_mb_emit_byte (mb, CEE_LDIND_I4);
9191 mono_mb_emit_byte (mb, CEE_MUL);
9192 mono_mb_emit_ldloc (mb, realidx);
9193 mono_mb_emit_byte (mb, CEE_ADD);
9194 mono_mb_emit_stloc (mb, ind);
9197 /* return array->vector + ind * element_size */
9198 mono_mb_emit_ldarg (mb, 0);
9199 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoArray, vector));
9200 mono_mb_emit_ldloc (mb, ind);
9201 mono_mb_emit_icon (mb, elem_size);
9202 mono_mb_emit_byte (mb, CEE_MUL);
9203 mono_mb_emit_byte (mb, CEE_ADD);
9204 mono_mb_emit_byte (mb, CEE_RET);
9206 /* patch the branches to get here and throw */
9207 for (i = 1; i < rank; ++i) {
9208 mono_mb_patch_branch (mb, branch_positions [i]);
9210 mono_mb_patch_branch (mb, branch_pos);
9211 /* throw exception */
9212 mono_mb_emit_exception (mb, "IndexOutOfRangeException", NULL);
9214 g_free (branch_positions);
9215 ret = mono_mb_create_method (mb, sig, 4);
9218 /* cache the result */
9220 mono_marshal_lock ();
9221 for (i = 0; i < elem_addr_cache_next; ++i) {
9222 if (elem_addr_cache [i].rank == rank && elem_addr_cache [i].elem_size == elem_size) {
9223 /* FIXME: free ret */
9224 ret = elem_addr_cache [i].method;
9230 if (elem_addr_cache_next >= elem_addr_cache_size) {
9231 int new_size = elem_addr_cache_size + 4;
9232 ArrayElemAddr *new_array = g_new0 (ArrayElemAddr, new_size);
9233 memcpy (new_array, elem_addr_cache, elem_addr_cache_size * sizeof (ArrayElemAddr));
9234 g_free (elem_addr_cache);
9235 elem_addr_cache = new_array;
9236 elem_addr_cache_size = new_size;
9238 elem_addr_cache [elem_addr_cache_next].rank = rank;
9239 elem_addr_cache [elem_addr_cache_next].elem_size = elem_size;
9240 elem_addr_cache [elem_addr_cache_next].method = ret;
9242 mono_marshal_unlock ();
9247 mono_marshal_alloc (gulong size)
9251 #ifdef PLATFORM_WIN32
9252 res = CoTaskMemAlloc (size);
9254 res = g_try_malloc ((gulong)size);
9256 mono_gc_out_of_memory ((gulong)size);
9262 mono_marshal_free (gpointer ptr)
9264 #ifdef PLATFORM_WIN32
9265 CoTaskMemFree (ptr);
9272 mono_marshal_free_array (gpointer *ptr, int size)
9279 for (i = 0; i < size; i++)
9285 mono_marshal_string_to_utf16 (MonoString *s)
9287 return s ? mono_string_chars (s) : NULL;
9291 mono_marshal_string_to_utf16_copy (MonoString *s)
9296 gunichar2 *res = mono_marshal_alloc ((mono_string_length (s) * 2) + 2);
9297 memcpy (res, mono_string_chars (s), mono_string_length (s) * 2);
9298 res [mono_string_length (s)] = 0;
9304 * mono_marshal_set_last_error:
9306 * This function is invoked to set the last error value from a P/Invoke call
9307 * which has SetLastError set.
9310 mono_marshal_set_last_error (void)
9313 TlsSetValue (last_error_tls_id, GINT_TO_POINTER (GetLastError ()));
9315 TlsSetValue (last_error_tls_id, GINT_TO_POINTER (errno));
9320 mono_marshal_set_last_error_windows (int error)
9323 TlsSetValue (last_error_tls_id, GINT_TO_POINTER (error));
9328 ves_icall_System_Runtime_InteropServices_Marshal_copy_to_unmanaged (MonoArray *src, gint32 start_index,
9329 gpointer dest, gint32 length)
9334 MONO_ARCH_SAVE_REGS;
9336 MONO_CHECK_ARG_NULL (src);
9337 MONO_CHECK_ARG_NULL (dest);
9339 if (src->obj.vtable->klass->rank != 1)
9340 mono_raise_exception (mono_get_exception_argument ("array", "array is multi-dimensional"));
9341 if (start_index < 0)
9342 mono_raise_exception (mono_get_exception_argument ("startIndex", "Must be >= 0"));
9344 mono_raise_exception (mono_get_exception_argument ("length", "Must be >= 0"));
9345 if (start_index + length > mono_array_length (src))
9346 mono_raise_exception (mono_get_exception_argument ("length", "start_index + length > array length"));
9348 element_size = mono_array_element_size (src->obj.vtable->klass);
9350 /* no references should be involved */
9351 source_addr = mono_array_addr_with_size (src, element_size, start_index);
9353 memcpy (dest, source_addr, length * element_size);
9357 ves_icall_System_Runtime_InteropServices_Marshal_copy_from_unmanaged (gpointer src, gint32 start_index,
9358 MonoArray *dest, gint32 length)
9363 MONO_ARCH_SAVE_REGS;
9365 MONO_CHECK_ARG_NULL (src);
9366 MONO_CHECK_ARG_NULL (dest);
9368 if (dest->obj.vtable->klass->rank != 1)
9369 mono_raise_exception (mono_get_exception_argument ("array", "array is multi-dimensional"));
9370 if (start_index < 0)
9371 mono_raise_exception (mono_get_exception_argument ("startIndex", "Must be >= 0"));
9373 mono_raise_exception (mono_get_exception_argument ("length", "Must be >= 0"));
9374 if (start_index + length > mono_array_length (dest))
9375 mono_raise_exception (mono_get_exception_argument ("length", "start_index + length > array length"));
9377 element_size = mono_array_element_size (dest->obj.vtable->klass);
9379 /* no references should be involved */
9380 dest_addr = mono_array_addr_with_size (dest, element_size, start_index);
9382 memcpy (dest_addr, src, length * element_size);
9385 #if NO_UNALIGNED_ACCESS
9386 #define RETURN_UNALIGNED(type, addr) \
9389 memcpy(&val, p + offset, sizeof(val)); \
9392 #define WRITE_UNALIGNED(type, addr, val) \
9393 memcpy(addr, &val, sizeof(type))
9395 #define RETURN_UNALIGNED(type, addr) \
9396 return *(type*)(p + offset);
9397 #define WRITE_UNALIGNED(type, addr, val) \
9398 (*(type *)(addr) = (val))
9402 ves_icall_System_Runtime_InteropServices_Marshal_ReadIntPtr (gpointer ptr, gint32 offset)
9406 MONO_ARCH_SAVE_REGS;
9408 RETURN_UNALIGNED(gpointer, p + offset);
9412 ves_icall_System_Runtime_InteropServices_Marshal_ReadByte (gpointer ptr, gint32 offset)
9416 MONO_ARCH_SAVE_REGS;
9418 return *(unsigned char*)(p + offset);
9422 ves_icall_System_Runtime_InteropServices_Marshal_ReadInt16 (gpointer ptr, gint32 offset)
9426 MONO_ARCH_SAVE_REGS;
9428 RETURN_UNALIGNED(gint16, p + offset);
9432 ves_icall_System_Runtime_InteropServices_Marshal_ReadInt32 (gpointer ptr, gint32 offset)
9436 MONO_ARCH_SAVE_REGS;
9438 RETURN_UNALIGNED(gint32, p + offset);
9442 ves_icall_System_Runtime_InteropServices_Marshal_ReadInt64 (gpointer ptr, gint32 offset)
9446 MONO_ARCH_SAVE_REGS;
9448 RETURN_UNALIGNED(gint64, p + offset);
9452 ves_icall_System_Runtime_InteropServices_Marshal_WriteByte (gpointer ptr, gint32 offset, unsigned char val)
9456 MONO_ARCH_SAVE_REGS;
9458 *(unsigned char*)(p + offset) = val;
9462 ves_icall_System_Runtime_InteropServices_Marshal_WriteIntPtr (gpointer ptr, gint32 offset, gpointer val)
9466 MONO_ARCH_SAVE_REGS;
9468 WRITE_UNALIGNED(gpointer, p + offset, val);
9472 ves_icall_System_Runtime_InteropServices_Marshal_WriteInt16 (gpointer ptr, gint32 offset, gint16 val)
9476 MONO_ARCH_SAVE_REGS;
9478 WRITE_UNALIGNED(gint16, p + offset, val);
9482 ves_icall_System_Runtime_InteropServices_Marshal_WriteInt32 (gpointer ptr, gint32 offset, gint32 val)
9486 MONO_ARCH_SAVE_REGS;
9488 WRITE_UNALIGNED(gint32, p + offset, val);
9492 ves_icall_System_Runtime_InteropServices_Marshal_WriteInt64 (gpointer ptr, gint32 offset, gint64 val)
9496 MONO_ARCH_SAVE_REGS;
9498 WRITE_UNALIGNED(gint64, p + offset, val);
9502 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringAnsi (char *ptr)
9504 MONO_ARCH_SAVE_REGS;
9509 return mono_string_new (mono_domain_get (), ptr);
9513 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringAnsi_len (char *ptr, gint32 len)
9515 MONO_ARCH_SAVE_REGS;
9518 mono_raise_exception (mono_get_exception_argument_null ("ptr"));
9519 g_assert_not_reached ();
9522 return mono_string_new_len (mono_domain_get (), ptr, len);
9527 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringUni (guint16 *ptr)
9529 MonoDomain *domain = mono_domain_get ();
9533 MONO_ARCH_SAVE_REGS;
9541 return mono_string_new_utf16 (domain, ptr, len);
9545 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringUni_len (guint16 *ptr, gint32 len)
9547 MonoDomain *domain = mono_domain_get ();
9549 MONO_ARCH_SAVE_REGS;
9552 mono_raise_exception (mono_get_exception_argument_null ("ptr"));
9553 g_assert_not_reached ();
9556 return mono_string_new_utf16 (domain, ptr, len);
9561 ves_icall_System_Runtime_InteropServices_Marshal_GetLastWin32Error (void)
9563 MONO_ARCH_SAVE_REGS;
9565 return (GPOINTER_TO_INT (TlsGetValue (last_error_tls_id)));
9569 ves_icall_System_Runtime_InteropServices_Marshal_SizeOf (MonoReflectionType *rtype)
9575 MONO_ARCH_SAVE_REGS;
9577 MONO_CHECK_ARG_NULL (rtype);
9580 klass = mono_class_from_mono_type (type);
9581 layout = (klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK);
9583 if (layout == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
9587 msg = g_strdup_printf ("Type %s cannot be marshaled as an unmanaged structure.", klass->name);
9588 exc = mono_get_exception_argument ("t", msg);
9590 mono_raise_exception (exc);
9594 return mono_class_native_size (klass, NULL);
9598 ves_icall_System_Runtime_InteropServices_Marshal_StructureToPtr (MonoObject *obj, gpointer dst, MonoBoolean delete_old)
9603 MONO_ARCH_SAVE_REGS;
9605 MONO_CHECK_ARG_NULL (obj);
9606 MONO_CHECK_ARG_NULL (dst);
9608 method = mono_marshal_get_struct_to_ptr (obj->vtable->klass);
9612 pa [2] = &delete_old;
9614 mono_runtime_invoke (method, NULL, pa, NULL);
9618 ptr_to_structure (gpointer src, MonoObject *dst)
9623 method = mono_marshal_get_ptr_to_struct (dst->vtable->klass);
9628 mono_runtime_invoke (method, NULL, pa, NULL);
9632 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure (gpointer src, MonoObject *dst)
9636 MONO_ARCH_SAVE_REGS;
9638 MONO_CHECK_ARG_NULL (src);
9639 MONO_CHECK_ARG_NULL (dst);
9641 t = mono_type_get_underlying_type (mono_class_get_type (dst->vtable->klass));
9643 if (t->type == MONO_TYPE_VALUETYPE) {
9647 tmp = g_strdup_printf ("Destination is a boxed value type.");
9648 exc = mono_get_exception_argument ("dst", tmp);
9651 mono_raise_exception (exc);
9655 ptr_to_structure (src, dst);
9659 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure_type (gpointer src, MonoReflectionType *type)
9661 MonoDomain *domain = mono_domain_get ();
9664 MONO_ARCH_SAVE_REGS;
9666 MONO_CHECK_ARG_NULL (src);
9667 MONO_CHECK_ARG_NULL (type);
9669 res = mono_object_new (domain, mono_class_from_mono_type (type->type));
9671 ptr_to_structure (src, res);
9677 ves_icall_System_Runtime_InteropServices_Marshal_OffsetOf (MonoReflectionType *type, MonoString *field_name)
9679 MonoMarshalType *info;
9682 int match_index = -1;
9684 MONO_ARCH_SAVE_REGS;
9686 MONO_CHECK_ARG_NULL (type);
9687 MONO_CHECK_ARG_NULL (field_name);
9689 fname = mono_string_to_utf8 (field_name);
9690 klass = mono_class_from_mono_type (type->type);
9692 while (klass && match_index == -1) {
9693 MonoClassField* field;
9695 gpointer iter = NULL;
9696 while ((field = mono_class_get_fields (klass, &iter))) {
9697 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
9699 if (!strcmp (fname, mono_field_get_name (field))) {
9706 if (match_index == -1)
9707 klass = klass->parent;
9712 if(match_index == -1) {
9716 /* Get back original class instance */
9717 klass = mono_class_from_mono_type (type->type);
9719 tmp = g_strdup_printf ("Field passed in is not a marshaled member of the type %s", klass->name);
9720 exc = mono_get_exception_argument ("fieldName", tmp);
9723 mono_raise_exception ((MonoException*)exc);
9726 info = mono_marshal_load_type_info (klass);
9727 return info->fields [match_index].offset;
9731 ves_icall_System_Runtime_InteropServices_Marshal_StringToHGlobalAnsi (MonoString *string)
9733 #ifdef PLATFORM_WIN32
9736 tres = mono_string_to_utf8 (string);
9740 len = strlen (tres) + 1;
9741 ret = ves_icall_System_Runtime_InteropServices_Marshal_AllocHGlobal (len);
9742 memcpy (ret, tres, len);
9747 return mono_string_to_utf8 (string);
9752 ves_icall_System_Runtime_InteropServices_Marshal_StringToHGlobalUni (MonoString *string)
9754 MONO_ARCH_SAVE_REGS;
9759 #ifdef PLATFORM_WIN32
9760 gunichar2 *res = ves_icall_System_Runtime_InteropServices_Marshal_AllocHGlobal
9761 ((mono_string_length (string) + 1) * 2);
9763 gunichar2 *res = g_malloc ((mono_string_length (string) + 1) * 2);
9765 memcpy (res, mono_string_chars (string), mono_string_length (string) * 2);
9766 res [mono_string_length (string)] = 0;
9772 mono_struct_delete_old (MonoClass *klass, char *ptr)
9774 MonoMarshalType *info;
9777 info = mono_marshal_load_type_info (klass);
9779 for (i = 0; i < info->num_fields; i++) {
9780 MonoMarshalNative ntype;
9781 MonoMarshalConv conv;
9782 MonoType *ftype = info->fields [i].field->type;
9785 if (ftype->attrs & FIELD_ATTRIBUTE_STATIC)
9788 ntype = mono_type_to_unmanaged (ftype, info->fields [i].mspec, TRUE,
9789 klass->unicode, &conv);
9791 cpos = ptr + info->fields [i].offset;
9794 case MONO_MARSHAL_CONV_NONE:
9795 if (MONO_TYPE_ISSTRUCT (ftype)) {
9796 mono_struct_delete_old (ftype->data.klass, cpos);
9800 case MONO_MARSHAL_CONV_STR_LPWSTR:
9801 /* We assume this field points inside a MonoString */
9803 case MONO_MARSHAL_CONV_STR_LPTSTR:
9804 #ifdef PLATFORM_WIN32
9805 /* We assume this field points inside a MonoString
9809 case MONO_MARSHAL_CONV_STR_LPSTR:
9810 case MONO_MARSHAL_CONV_STR_BSTR:
9811 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
9812 case MONO_MARSHAL_CONV_STR_TBSTR:
9813 mono_marshal_free (*(gpointer *)cpos);
9823 ves_icall_System_Runtime_InteropServices_Marshal_DestroyStructure (gpointer src, MonoReflectionType *type)
9827 MONO_ARCH_SAVE_REGS;
9829 MONO_CHECK_ARG_NULL (src);
9830 MONO_CHECK_ARG_NULL (type);
9832 klass = mono_class_from_mono_type (type->type);
9834 mono_struct_delete_old (klass, (char *)src);
9838 ves_icall_System_Runtime_InteropServices_Marshal_AllocHGlobal (int size)
9842 MONO_ARCH_SAVE_REGS;
9844 if ((gulong)size == 0)
9845 /* This returns a valid pointer for size 0 on MS.NET */
9848 #ifdef PLATFORM_WIN32
9849 res = GlobalAlloc (GMEM_FIXED, (gulong)size);
9851 res = g_try_malloc ((gulong)size);
9854 mono_gc_out_of_memory ((gulong)size);
9860 ves_icall_System_Runtime_InteropServices_Marshal_ReAllocHGlobal (gpointer ptr, int size)
9865 mono_gc_out_of_memory ((gulong)size);
9869 #ifdef PLATFORM_WIN32
9870 res = GlobalReAlloc (ptr, (gulong)size, GMEM_MOVEABLE);
9872 res = g_try_realloc (ptr, (gulong)size);
9875 mono_gc_out_of_memory ((gulong)size);
9881 ves_icall_System_Runtime_InteropServices_Marshal_FreeHGlobal (void *ptr)
9883 MONO_ARCH_SAVE_REGS;
9885 #ifdef PLATFORM_WIN32
9893 ves_icall_System_Runtime_InteropServices_Marshal_AllocCoTaskMem (int size)
9895 MONO_ARCH_SAVE_REGS;
9897 #ifdef PLATFORM_WIN32
9898 return CoTaskMemAlloc (size);
9900 return g_try_malloc ((gulong)size);
9905 ves_icall_System_Runtime_InteropServices_Marshal_FreeCoTaskMem (void *ptr)
9907 MONO_ARCH_SAVE_REGS;
9909 #ifdef PLATFORM_WIN32
9910 CoTaskMemFree (ptr);
9917 ves_icall_System_Runtime_InteropServices_Marshal_ReAllocCoTaskMem (gpointer ptr, int size)
9919 MONO_ARCH_SAVE_REGS;
9921 #ifdef PLATFORM_WIN32
9922 return CoTaskMemRealloc (ptr, size);
9924 return g_try_realloc (ptr, (gulong)size);
9929 ves_icall_System_Runtime_InteropServices_Marshal_UnsafeAddrOfPinnedArrayElement (MonoArray *arrayobj, int index)
9931 return mono_array_addr_with_size (arrayobj, mono_array_element_size (arrayobj->obj.vtable->klass), index);
9935 ves_icall_System_Runtime_InteropServices_Marshal_GetDelegateForFunctionPointerInternal (void *ftn, MonoReflectionType *type)
9937 return mono_ftnptr_to_delegate (mono_type_get_class (type->type), ftn);
9941 * mono_marshal_is_loading_type_info:
9943 * Return whenever mono_marshal_load_type_info () is being executed for KLASS by this
9947 mono_marshal_is_loading_type_info (MonoClass *klass)
9949 GSList *loads_list = TlsGetValue (load_type_info_tls_id);
9951 return g_slist_find (loads_list, klass) != NULL;
9955 * mono_marshal_load_type_info:
9957 * Initialize klass->marshal_info using information from metadata. This function can
9958 * recursively call itself, and the caller is responsible to avoid that by calling
9959 * mono_marshal_is_loading_type_info () beforehand.
9961 * LOCKING: Acquires the loader lock.
9964 mono_marshal_load_type_info (MonoClass* klass)
9967 guint32 native_size = 0, min_align = 1;
9968 MonoMarshalType *info;
9969 MonoClassField* field;
9974 g_assert (klass != NULL);
9976 if (klass->marshal_info)
9977 return klass->marshal_info;
9980 mono_class_init (klass);
9982 mono_loader_lock ();
9984 if (klass->marshal_info) {
9985 mono_loader_unlock ();
9986 return klass->marshal_info;
9990 * This function can recursively call itself, so we keep the list of classes which are
9991 * under initialization in a TLS list.
9993 g_assert (!mono_marshal_is_loading_type_info (klass));
9994 loads_list = TlsGetValue (load_type_info_tls_id);
9995 loads_list = g_slist_prepend (loads_list, klass);
9996 TlsSetValue (load_type_info_tls_id, loads_list);
9999 while ((field = mono_class_get_fields (klass, &iter))) {
10000 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
10002 if (mono_field_is_deleted (field))
10007 layout = klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK;
10009 /* The mempool is protected by the loader lock */
10010 info = mono_image_alloc0 (klass->image, MONO_SIZEOF_MARSHAL_TYPE + sizeof (MonoMarshalField) * count);
10011 info->num_fields = count;
10013 /* Try to find a size for this type in metadata */
10014 mono_metadata_packing_from_typedef (klass->image, klass->type_token, NULL, &native_size);
10016 if (klass->parent) {
10017 int parent_size = mono_class_native_size (klass->parent, NULL);
10019 /* Add parent size to real size */
10020 native_size += parent_size;
10021 info->native_size = parent_size;
10026 while ((field = mono_class_get_fields (klass, &iter))) {
10030 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
10033 if (mono_field_is_deleted (field))
10035 if (field->type->attrs & FIELD_ATTRIBUTE_HAS_FIELD_MARSHAL)
10036 mono_metadata_field_info_with_mempool (klass->image, mono_metadata_token_index (mono_class_get_field_token (field)) - 1,
10037 NULL, NULL, &info->fields [j].mspec);
10039 info->fields [j].field = field;
10041 if ((mono_class_num_fields (klass) == 1) && (klass->instance_size == sizeof (MonoObject)) &&
10042 (strcmp (mono_field_get_name (field), "$PRIVATE$") == 0)) {
10043 /* This field is a hack inserted by MCS to empty structures */
10048 case TYPE_ATTRIBUTE_AUTO_LAYOUT:
10049 case TYPE_ATTRIBUTE_SEQUENTIAL_LAYOUT:
10050 size = mono_marshal_type_size (field->type, info->fields [j].mspec,
10051 &align, TRUE, klass->unicode);
10052 align = klass->packing_size ? MIN (klass->packing_size, align): align;
10053 min_align = MAX (align, min_align);
10054 info->fields [j].offset = info->native_size;
10055 info->fields [j].offset += align - 1;
10056 info->fields [j].offset &= ~(align - 1);
10057 info->native_size = info->fields [j].offset + size;
10059 case TYPE_ATTRIBUTE_EXPLICIT_LAYOUT:
10060 size = mono_marshal_type_size (field->type, info->fields [j].mspec,
10061 &align, TRUE, klass->unicode);
10062 align = klass->packing_size ? MIN (klass->packing_size, align): align;
10063 min_align = MAX (align, min_align);
10064 info->fields [j].offset = field->offset - sizeof (MonoObject);
10065 info->native_size = MAX (info->native_size, info->fields [j].offset + size);
10071 if(layout != TYPE_ATTRIBUTE_AUTO_LAYOUT) {
10072 info->native_size = MAX (native_size, info->native_size);
10075 if (info->native_size & (min_align - 1)) {
10076 info->native_size += min_align - 1;
10077 info->native_size &= ~(min_align - 1);
10080 info->min_align = min_align;
10082 /* Update the class's blittable info, if the layouts don't match */
10083 if (info->native_size != mono_class_value_size (klass, NULL))
10084 klass->blittable = FALSE;
10086 /* If this is an array type, ensure that we have element info */
10087 if (klass->element_class && !mono_marshal_is_loading_type_info (klass->element_class)) {
10088 mono_marshal_load_type_info (klass->element_class);
10091 loads_list = TlsGetValue (load_type_info_tls_id);
10092 loads_list = g_slist_remove (loads_list, klass);
10093 TlsSetValue (load_type_info_tls_id, loads_list);
10095 /*We do double-checking locking on marshal_info */
10096 mono_memory_barrier ();
10098 klass->marshal_info = info;
10100 mono_loader_unlock ();
10102 return klass->marshal_info;
10106 * mono_class_native_size:
10109 * Returns: the native size of an object instance (when marshaled
10110 * to unmanaged code)
10113 mono_class_native_size (MonoClass *klass, guint32 *align)
10115 if (!klass->marshal_info) {
10116 if (mono_marshal_is_loading_type_info (klass)) {
10121 mono_marshal_load_type_info (klass);
10126 *align = klass->marshal_info->min_align;
10128 return klass->marshal_info->native_size;
10131 /* __alignof__ returns the preferred alignment of values not the actual alignment used by
10132 the compiler so is wrong e.g. for Linux where doubles are aligned on a 4 byte boundary
10133 but __alignof__ returns 8 - using G_STRUCT_OFFSET works better */
10134 #define ALIGNMENT(type) G_STRUCT_OFFSET(struct { char c; type x; }, x)
10137 * mono_type_native_stack_size:
10138 * @t: the type to return the size it uses on the stack
10140 * Returns: the number of bytes required to hold an instance of this
10141 * type on the native stack
10144 mono_type_native_stack_size (MonoType *t, guint32 *align)
10148 g_assert (t != NULL);
10154 *align = sizeof (gpointer);
10155 return sizeof (gpointer);
10159 case MONO_TYPE_BOOLEAN:
10160 case MONO_TYPE_CHAR:
10171 case MONO_TYPE_STRING:
10172 case MONO_TYPE_OBJECT:
10173 case MONO_TYPE_CLASS:
10174 case MONO_TYPE_SZARRAY:
10175 case MONO_TYPE_PTR:
10176 case MONO_TYPE_FNPTR:
10177 case MONO_TYPE_ARRAY:
10178 *align = sizeof (gpointer);
10179 return sizeof (gpointer);
10184 *align = ALIGNMENT (gdouble);
10188 *align = ALIGNMENT (glong);
10190 case MONO_TYPE_GENERICINST:
10191 if (!mono_type_generic_inst_is_valuetype (t)) {
10192 *align = sizeof (gpointer);
10193 return sizeof (gpointer);
10196 case MONO_TYPE_TYPEDBYREF:
10197 case MONO_TYPE_VALUETYPE: {
10199 MonoClass *klass = mono_class_from_mono_type (t);
10201 if (klass->enumtype)
10202 return mono_type_native_stack_size (mono_class_enum_basetype (klass), align);
10204 size = mono_class_native_size (klass, align);
10205 *align = *align + 3;
10215 g_error ("type 0x%02x unknown", t->type);
10221 mono_marshal_type_size (MonoType *type, MonoMarshalSpec *mspec, guint32 *align,
10222 gboolean as_field, gboolean unicode)
10224 MonoMarshalNative native_type = mono_type_to_unmanaged (type, mspec, as_field, unicode, NULL);
10227 switch (native_type) {
10228 case MONO_NATIVE_BOOLEAN:
10231 case MONO_NATIVE_I1:
10232 case MONO_NATIVE_U1:
10235 case MONO_NATIVE_I2:
10236 case MONO_NATIVE_U2:
10237 case MONO_NATIVE_VARIANTBOOL:
10240 case MONO_NATIVE_I4:
10241 case MONO_NATIVE_U4:
10242 case MONO_NATIVE_ERROR:
10245 case MONO_NATIVE_I8:
10246 case MONO_NATIVE_U8:
10247 *align = ALIGNMENT(guint64);
10249 case MONO_NATIVE_R4:
10252 case MONO_NATIVE_R8:
10253 *align = ALIGNMENT(double);
10255 case MONO_NATIVE_INT:
10256 case MONO_NATIVE_UINT:
10257 case MONO_NATIVE_LPSTR:
10258 case MONO_NATIVE_LPWSTR:
10259 case MONO_NATIVE_LPTSTR:
10260 case MONO_NATIVE_BSTR:
10261 case MONO_NATIVE_ANSIBSTR:
10262 case MONO_NATIVE_TBSTR:
10263 case MONO_NATIVE_LPARRAY:
10264 case MONO_NATIVE_SAFEARRAY:
10265 case MONO_NATIVE_IUNKNOWN:
10266 case MONO_NATIVE_IDISPATCH:
10267 case MONO_NATIVE_INTERFACE:
10268 case MONO_NATIVE_ASANY:
10269 case MONO_NATIVE_FUNC:
10270 case MONO_NATIVE_LPSTRUCT:
10271 *align = ALIGNMENT(gpointer);
10272 return sizeof (gpointer);
10273 case MONO_NATIVE_STRUCT:
10274 klass = mono_class_from_mono_type (type);
10275 if (klass == mono_defaults.object_class &&
10276 (mspec && mspec->native == MONO_NATIVE_STRUCT)) {
10280 return mono_class_native_size (klass, align);
10281 case MONO_NATIVE_BYVALTSTR: {
10282 int esize = unicode ? 2: 1;
10285 return mspec->data.array_data.num_elem * esize;
10287 case MONO_NATIVE_BYVALARRAY: {
10288 // FIXME: Have to consider ArraySubType
10290 klass = mono_class_from_mono_type (type);
10291 if (klass->element_class == mono_defaults.char_class) {
10292 esize = unicode ? 2 : 1;
10295 esize = mono_class_native_size (klass->element_class, align);
10298 return mspec->data.array_data.num_elem * esize;
10300 case MONO_NATIVE_CUSTOM:
10301 *align = sizeof (gpointer);
10302 return sizeof (gpointer);
10304 case MONO_NATIVE_CURRENCY:
10305 case MONO_NATIVE_VBBYREFSTR:
10307 g_error ("native type %02x not implemented", native_type);
10310 g_assert_not_reached ();
10315 mono_marshal_asany (MonoObject *o, MonoMarshalNative string_encoding, int param_attrs)
10323 t = &o->vtable->klass->byval_arg;
10327 case MONO_TYPE_PTR:
10330 case MONO_TYPE_BOOLEAN:
10333 case MONO_TYPE_CHAR:
10338 return mono_object_unbox (o);
10340 case MONO_TYPE_STRING:
10341 switch (string_encoding) {
10342 case MONO_NATIVE_LPWSTR:
10343 return mono_string_to_utf16 ((MonoString*)o);
10345 case MONO_NATIVE_LPSTR:
10346 return mono_string_to_lpstr ((MonoString*)o);
10349 g_warning ("marshaling conversion %d not implemented", string_encoding);
10350 g_assert_not_reached ();
10353 case MONO_TYPE_CLASS:
10354 case MONO_TYPE_VALUETYPE: {
10355 MonoMethod *method;
10358 MonoBoolean delete_old = FALSE;
10360 klass = t->data.klass;
10362 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT)
10365 if (klass->valuetype && (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
10366 klass->blittable || klass->enumtype))
10367 return mono_object_unbox (o);
10369 res = mono_marshal_alloc (mono_class_native_size (klass, NULL));
10371 if (!((param_attrs & PARAM_ATTRIBUTE_OUT) && !(param_attrs & PARAM_ATTRIBUTE_IN))) {
10372 method = mono_marshal_get_struct_to_ptr (o->vtable->klass);
10376 pa [2] = &delete_old;
10378 mono_runtime_invoke (method, NULL, pa, NULL);
10385 mono_raise_exception (mono_get_exception_argument ("", "No PInvoke conversion exists for value passed to Object-typed parameter."));
10391 mono_marshal_free_asany (MonoObject *o, gpointer ptr, MonoMarshalNative string_encoding, int param_attrs)
10399 t = &o->vtable->klass->byval_arg;
10401 case MONO_TYPE_STRING:
10402 switch (string_encoding) {
10403 case MONO_NATIVE_LPWSTR:
10404 case MONO_NATIVE_LPSTR:
10405 mono_marshal_free (ptr);
10408 g_warning ("marshaling conversion %d not implemented", string_encoding);
10409 g_assert_not_reached ();
10412 case MONO_TYPE_CLASS:
10413 case MONO_TYPE_VALUETYPE: {
10414 klass = t->data.klass;
10416 if (klass->valuetype && (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
10417 klass->blittable || klass->enumtype))
10420 if (param_attrs & PARAM_ATTRIBUTE_OUT) {
10421 MonoMethod *method = mono_marshal_get_ptr_to_struct (o->vtable->klass);
10427 mono_runtime_invoke (method, NULL, pa, NULL);
10430 if (!((param_attrs & PARAM_ATTRIBUTE_OUT) && !(param_attrs & PARAM_ATTRIBUTE_IN))) {
10431 mono_struct_delete_old (klass, ptr);
10434 mono_marshal_free (ptr);
10443 mono_marshal_get_generic_array_helper (MonoClass *class, MonoClass *iface, gchar *name, MonoMethod *method)
10445 MonoMethodSignature *sig, *csig;
10446 MonoMethodBuilder *mb;
10450 mb = mono_mb_new_no_dup_name (class, name, MONO_WRAPPER_MANAGED_TO_MANAGED);
10451 mb->method->slot = -1;
10453 mb->method->flags = METHOD_ATTRIBUTE_PRIVATE | METHOD_ATTRIBUTE_VIRTUAL |
10454 METHOD_ATTRIBUTE_NEW_SLOT | METHOD_ATTRIBUTE_HIDE_BY_SIG | METHOD_ATTRIBUTE_FINAL;
10456 sig = mono_method_signature (method);
10457 csig = signature_dup (method->klass->image, sig);
10458 csig->generic_param_count = 0;
10460 mono_mb_emit_ldarg (mb, 0);
10461 for (i = 0; i < csig->param_count; i++)
10462 mono_mb_emit_ldarg (mb, i + 1);
10463 mono_mb_emit_managed_call (mb, method, NULL);
10464 mono_mb_emit_byte (mb, CEE_RET);
10466 /* We can corlib internal methods */
10467 mb->skip_visibility = TRUE;
10469 res = mono_mb_create_method (mb, csig, csig->param_count + 16);
10477 * The mono_win32_compat_* functions are implementations of inline
10478 * Windows kernel32 APIs, which are DllImport-able under MS.NET,
10479 * although not exported by kernel32.
10481 * We map the appropiate kernel32 entries to these functions using
10482 * dllmaps declared in the global etc/mono/config.
10486 mono_win32_compat_CopyMemory (gpointer dest, gconstpointer source, gsize length)
10488 if (!dest || !source)
10491 memcpy (dest, source, length);
10495 mono_win32_compat_FillMemory (gpointer dest, gsize length, guchar fill)
10497 memset (dest, fill, length);
10501 mono_win32_compat_MoveMemory (gpointer dest, gconstpointer source, gsize length)
10503 if (!dest || !source)
10506 memmove (dest, source, length);
10510 mono_win32_compat_ZeroMemory (gpointer dest, gsize length)
10512 memset (dest, 0, length);
10516 mono_marshal_find_nonzero_bit_offset (guint8 *buf, int len, int *byte_offset, guint8 *bitmask)
10521 for (i = 0; i < len; ++i)
10525 g_assert (i < len);
10528 while (byte && !(byte & 1))
10530 g_assert (byte == 1);
10533 *bitmask = buf [i];
10537 mono_marshal_get_thunk_invoke_wrapper (MonoMethod *method)
10539 MonoMethodBuilder *mb;
10540 MonoMethodSignature *sig, *csig;
10541 MonoExceptionClause *clause;
10546 int i, param_count, sig_size, pos_leave;
10550 klass = method->klass;
10551 image = method->klass->image;
10552 cache = get_cache (&image->thunk_invoke_cache, mono_aligned_addr_hash, NULL);
10554 if ((res = mono_marshal_find_in_cache (cache, method)))
10557 sig = mono_method_signature (method);
10558 mb = mono_mb_new (klass, method->name, MONO_WRAPPER_NATIVE_TO_MANAGED);
10560 /* add "this" and exception param */
10561 param_count = sig->param_count + sig->hasthis + 1;
10563 /* dup & extend signature */
10564 csig = mono_metadata_signature_alloc (image, param_count);
10565 sig_size = MONO_SIZEOF_METHOD_SIGNATURE + sig->param_count * sizeof (MonoType *);
10566 memcpy (csig, sig, sig_size);
10567 csig->param_count = param_count;
10570 csig->call_convention = MONO_CALL_DEFAULT;
10572 if (sig->hasthis) {
10574 csig->params [0] = &klass->byval_arg;
10575 /* move params up by one */
10576 for (i = 0; i < sig->param_count; i++)
10577 csig->params [i + 1] = sig->params [i];
10580 /* setup exception param as byref+[out] */
10581 csig->params [param_count - 1] = mono_metadata_type_dup (image,
10582 &mono_defaults.exception_class->byval_arg);
10583 csig->params [param_count - 1]->byref = 1;
10584 csig->params [param_count - 1]->attrs = PARAM_ATTRIBUTE_OUT;
10586 /* convert struct return to object */
10587 if (MONO_TYPE_ISSTRUCT (sig->ret))
10588 csig->ret = &mono_defaults.object_class->byval_arg;
10590 /* local 0 (temp for exception object) */
10591 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
10593 /* local 1 (temp for result) */
10594 if (!MONO_TYPE_IS_VOID (sig->ret))
10595 mono_mb_add_local (mb, sig->ret);
10597 /* clear exception arg */
10598 mono_mb_emit_ldarg (mb, param_count - 1);
10599 mono_mb_emit_byte (mb, CEE_LDNULL);
10600 mono_mb_emit_byte (mb, CEE_STIND_REF);
10603 clause = mono_image_alloc0 (image, sizeof (MonoExceptionClause));
10604 clause->try_offset = mono_mb_get_label (mb);
10606 /* push method's args */
10607 for (i = 0; i < param_count - 1; i++) {
10611 mono_mb_emit_ldarg (mb, i);
10613 /* get the byval type of the param */
10614 klass = mono_class_from_mono_type (csig->params [i]);
10615 type = &klass->byval_arg;
10617 /* unbox struct args */
10618 if (MONO_TYPE_ISSTRUCT (type)) {
10619 mono_mb_emit_op (mb, CEE_UNBOX, klass);
10621 /* byref args & and the "this" arg must remain a ptr.
10622 Otherwise make a copy of the value type */
10623 if (!(csig->params [i]->byref || (i == 0 && sig->hasthis)))
10624 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
10626 csig->params [i] = &mono_defaults.object_class->byval_arg;
10631 if (method->flags & METHOD_ATTRIBUTE_VIRTUAL)
10632 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
10634 mono_mb_emit_op (mb, CEE_CALL, method);
10636 /* save result at local 1 */
10637 if (!MONO_TYPE_IS_VOID (sig->ret))
10638 mono_mb_emit_stloc (mb, 1);
10640 pos_leave = mono_mb_emit_branch (mb, CEE_LEAVE);
10643 clause->flags = MONO_EXCEPTION_CLAUSE_NONE;
10644 clause->try_len = mono_mb_get_pos (mb) - clause->try_offset;
10645 clause->data.catch_class = mono_defaults.object_class;
10647 clause->handler_offset = mono_mb_get_label (mb);
10649 /* store exception at local 0 */
10650 mono_mb_emit_stloc (mb, 0);
10651 mono_mb_emit_ldarg (mb, param_count - 1);
10652 mono_mb_emit_ldloc (mb, 0);
10653 mono_mb_emit_byte (mb, CEE_STIND_REF);
10654 mono_mb_emit_branch (mb, CEE_LEAVE);
10656 clause->handler_len = mono_mb_get_pos (mb) - clause->handler_offset;
10658 mono_mb_set_clauses (mb, 1, clause);
10660 mono_mb_patch_branch (mb, pos_leave);
10663 if (!MONO_TYPE_IS_VOID (sig->ret)) {
10664 mono_mb_emit_ldloc (mb, 1);
10666 /* box the return value */
10667 if (MONO_TYPE_ISSTRUCT (sig->ret))
10668 mono_mb_emit_op (mb, CEE_BOX, mono_class_from_mono_type (sig->ret));
10671 mono_mb_emit_byte (mb, CEE_RET);
10673 res = mono_mb_create_and_cache (cache, method, mb, csig, param_count + 16);
10680 * mono_marshal_free_dynamic_wrappers:
10682 * Free wrappers of the dynamic method METHOD.
10685 mono_marshal_free_dynamic_wrappers (MonoMethod *method)
10687 g_assert (method->dynamic);
10689 mono_marshal_lock ();
10691 * FIXME: We currently leak the wrappers. Freeing them would be tricky as
10692 * they could be shared with other methods ?
10694 if (method->klass->image->runtime_invoke_direct_cache)
10695 g_hash_table_remove (method->klass->image->runtime_invoke_direct_cache, method);
10696 mono_marshal_unlock ();
10700 * mono_marshal_free_inflated_wrappers:
10702 * Free wrappers of the inflated method METHOD.
10706 signature_method_pair_matches_signature (gpointer key, gpointer value, gpointer user_data)
10708 SignatureMethodPair *pair = (SignatureMethodPair*)key;
10709 MonoMethodSignature *sig = (MonoMethodSignature*)user_data;
10711 return mono_metadata_signature_equal (pair->sig, sig);
10715 mono_marshal_free_inflated_wrappers (MonoMethod *method)
10717 MonoMethodSignature *sig = method->signature;
10719 g_assert (method->is_inflated);
10721 /* Ignore calls occuring late during cleanup. */
10722 if (!marshal_mutex_initialized)
10725 mono_marshal_lock ();
10727 * FIXME: We currently leak the wrappers. Freeing them would be tricky as
10728 * they could be shared with other methods ?
10732 * indexed by MonoMethodSignature
10734 /* FIXME: This could remove unrelated wrappers as well */
10735 if (sig && method->klass->image->delegate_begin_invoke_cache)
10736 g_hash_table_remove (method->klass->image->delegate_begin_invoke_cache, sig);
10737 if (sig && method->klass->image->delegate_end_invoke_cache)
10738 g_hash_table_remove (method->klass->image->delegate_end_invoke_cache, sig);
10739 if (sig && method->klass->image->delegate_invoke_cache)
10740 g_hash_table_remove (method->klass->image->delegate_invoke_cache, sig);
10741 if (sig && method->klass->image->runtime_invoke_cache)
10742 g_hash_table_remove (method->klass->image->runtime_invoke_cache, sig);
10745 * indexed by SignatureMethodPair
10747 if (sig && method->klass->image->delegate_abstract_invoke_cache)
10748 g_hash_table_foreach_remove (method->klass->image->delegate_abstract_invoke_cache,
10749 signature_method_pair_matches_signature, (gpointer)sig);
10752 * indexed by MonoMethod pointers
10754 if (method->klass->image->runtime_invoke_direct_cache)
10755 g_hash_table_remove (method->klass->image->runtime_invoke_direct_cache, method);
10756 if (method->klass->image->managed_wrapper_cache)
10757 g_hash_table_remove (method->klass->image->managed_wrapper_cache, method);
10758 if (method->klass->image->native_wrapper_cache)
10759 g_hash_table_remove (method->klass->image->native_wrapper_cache, method);
10760 if (method->klass->image->remoting_invoke_cache)
10761 g_hash_table_remove (method->klass->image->remoting_invoke_cache, method);
10762 if (method->klass->image->synchronized_cache)
10763 g_hash_table_remove (method->klass->image->synchronized_cache, method);
10764 if (method->klass->image->unbox_wrapper_cache)
10765 g_hash_table_remove (method->klass->image->unbox_wrapper_cache, method);
10766 if (method->klass->image->cominterop_invoke_cache)
10767 g_hash_table_remove (method->klass->image->cominterop_invoke_cache, method);
10768 if (method->klass->image->cominterop_wrapper_cache)
10769 g_hash_table_remove (method->klass->image->cominterop_wrapper_cache, method);
10770 if (method->klass->image->thunk_invoke_cache)
10771 g_hash_table_remove (method->klass->image->thunk_invoke_cache, method);
10773 mono_marshal_unlock ();