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;
558 klass = array->obj.vtable->klass;
560 switch (klass->element_class->byval_arg.type) {
562 g_assert_not_reached ();
564 case MONO_TYPE_CLASS:
565 nativeArraySize = array->max_length;
566 nativeArray = malloc(sizeof(gpointer) * nativeArraySize);
567 for(i = 0; i < nativeArraySize; ++i)
568 nativeArray[i] = ves_icall_System_Runtime_InteropServices_Marshal_GetIUnknownForObjectInternal(((gpointer*)array->vector)[i]);
571 case MONO_TYPE_BOOLEAN:
584 case MONO_TYPE_VALUETYPE:
587 case MONO_TYPE_GENERICINST:
589 case MONO_TYPE_OBJECT:
590 case MONO_TYPE_ARRAY:
591 case MONO_TYPE_SZARRAY:
592 case MONO_TYPE_STRING:
594 g_warning ("type 0x%x not handled", klass->element_class->byval_arg.type);
595 g_assert_not_reached ();
598 return array->vector;
602 mono_free_lparray (MonoArray *array, gpointer* nativeArray)
613 klass = array->obj.vtable->klass;
615 switch (klass->element_class->byval_arg.type) {
616 case MONO_TYPE_CLASS:
617 for(i = 0; i < array->max_length; ++i)
618 mono_marshal_free_ccw(nativeArray[i]);
625 mono_byvalarray_to_array (MonoArray *arr, gpointer native_arr, MonoClass *elclass, guint32 elnum)
627 g_assert (arr->obj.vtable->klass->element_class == mono_defaults.char_class);
629 if (elclass == mono_defaults.byte_class) {
630 GError *error = NULL;
634 ut = g_utf8_to_utf16 (native_arr, elnum, NULL, &items_written, &error);
637 memcpy (mono_array_addr (arr, guint16, 0), ut, items_written * sizeof (guint16));
641 g_error_free (error);
644 g_assert_not_reached ();
648 mono_array_to_byvalarray (gpointer native_arr, MonoArray *arr, MonoClass *elclass, guint32 elnum)
650 g_assert (arr->obj.vtable->klass->element_class == mono_defaults.char_class);
652 if (elclass == mono_defaults.byte_class) {
654 GError *error = NULL;
656 as = g_utf16_to_utf8 (mono_array_addr (arr, gunichar2, 0), mono_array_length (arr), NULL, NULL, &error);
658 MonoException *exc = mono_get_exception_argument ("string", error->message);
659 g_error_free (error);
660 mono_raise_exception (exc);
663 memcpy (native_arr, as, MIN (strlen (as), elnum));
666 g_assert_not_reached ();
671 mono_string_utf8_to_builder (MonoStringBuilder *sb, char *text)
673 GError *error = NULL;
683 ut = g_utf8_to_utf16 (text, l, NULL, &items_written, &error);
685 if (items_written > mono_stringbuilder_capacity (sb))
686 items_written = mono_stringbuilder_capacity (sb);
689 if (! sb->str || sb->str == sb->cached_str) {
690 MONO_OBJECT_SETREF (sb, str, mono_string_new_size (mono_domain_get (), items_written));
691 sb->cached_str = NULL;
694 memcpy (mono_string_chars (sb->str), ut, items_written * 2);
695 sb->length = items_written;
697 g_error_free (error);
703 mono_string_utf8_to_builder2 (char *text)
706 MonoStringBuilder *sb;
707 static MonoClass *string_builder_class;
708 static MonoMethod *sb_ctor;
715 if (!string_builder_class) {
716 MonoMethodDesc *desc;
718 string_builder_class = mono_class_from_name (mono_defaults.corlib, "System.Text", "StringBuilder");
719 g_assert (string_builder_class);
720 desc = mono_method_desc_new (":.ctor(int)", FALSE);
721 sb_ctor = mono_method_desc_search_in_class (desc, string_builder_class);
723 mono_method_desc_free (desc);
728 sb = (MonoStringBuilder*)mono_object_new (mono_domain_get (), string_builder_class);
731 mono_runtime_invoke (sb_ctor, sb, args, &exc);
734 mono_string_utf8_to_builder (sb, text);
740 * FIXME: This routine does not seem to do what it seems to do
741 * the @text is never copied into the string builder
744 mono_string_utf16_to_builder (MonoStringBuilder *sb, gunichar2 *text)
751 g_assert (mono_string_chars (sb->str) == text);
753 for (len = 0; text [len] != 0; ++len)
760 * mono_string_builder_to_utf8:
761 * @sb: the string builder
763 * Converts to utf8 the contents of the MonoStringBuilder.
765 * Returns: a utf8 string with the contents of the StringBuilder.
767 * The return value must be released with g_free.
770 mono_string_builder_to_utf8 (MonoStringBuilder *sb)
772 GError *error = NULL;
773 gchar *tmp, *res = NULL;
778 if ((sb->str == sb->cached_str) && (sb->str->length == 0)) {
780 * The sb could have been allocated with the default capacity and be empty.
781 * we need to alloc a buffer of the default capacity in this case.
783 MONO_OBJECT_SETREF (sb, str, mono_string_new_size (mono_domain_get (), 16));
784 sb->cached_str = NULL;
787 tmp = g_utf16_to_utf8 (mono_string_chars (sb->str), sb->length, NULL, NULL, &error);
789 g_error_free (error);
790 mono_raise_exception (mono_get_exception_execution_engine ("Failed to convert StringBuilder from utf16 to utf8"));
792 res = mono_marshal_alloc (mono_stringbuilder_capacity (sb) + 1);
793 memcpy (res, tmp, sb->length + 1);
801 * mono_string_builder_to_utf16:
802 * @sb: the string builder
804 * Converts to utf16 the contents of the MonoStringBuilder.
806 * Returns: a utf16 string with the contents of the StringBuilder.
808 * The return value must not be freed.
811 mono_string_builder_to_utf16 (MonoStringBuilder *sb)
819 * The stringbuilder might not have ownership of this string. If this is
820 * the case, we must duplicate the string, so that we don't munge immutable
823 if (sb->str == sb->cached_str) {
825 * The sb could have been allocated with the default capacity and be empty.
826 * we need to alloc a buffer of the default capacity in this case.
828 if (sb->str->length == 0)
829 MONO_OBJECT_SETREF (sb, str, mono_string_new_size (mono_domain_get (), 16));
831 MONO_OBJECT_SETREF (sb, str, mono_string_new_utf16 (mono_domain_get (), mono_string_chars (sb->str), mono_stringbuilder_capacity (sb)));
832 sb->cached_str = NULL;
835 return mono_string_chars (sb->str);
839 mono_string_to_lpstr (MonoString *s)
841 #ifdef PLATFORM_WIN32
844 GError *error = NULL;
850 as = CoTaskMemAlloc (1);
855 tmp = g_utf16_to_utf8 (mono_string_chars (s), s->length, NULL, &len, &error);
857 MonoException *exc = mono_get_exception_argument ("string", error->message);
858 g_error_free (error);
859 mono_raise_exception(exc);
862 as = CoTaskMemAlloc (len + 1);
863 memcpy (as, tmp, len + 1);
868 return mono_string_to_utf8 (s);
873 mono_string_to_ansibstr (MonoString *string_obj)
875 g_error ("UnmanagedMarshal.BStr is not implemented.");
880 * mono_string_to_byvalstr:
881 * @dst: Where to store the null-terminated utf8 decoded string.
882 * @src: the MonoString to copy.
883 * @size: the maximum number of bytes to copy.
885 * Copies the MonoString pointed to by @src as a utf8 string
886 * into @dst, it copies at most @size bytes into the destination.
889 mono_string_to_byvalstr (gpointer dst, MonoString *src, int size)
894 g_assert (dst != NULL);
897 memset (dst, 0, size);
901 s = mono_string_to_utf8 (src);
902 len = MIN (size, strlen (s));
905 memcpy (dst, s, len);
910 * mono_string_to_byvalwstr:
911 * @dst: Where to store the null-terminated utf16 decoded string.
912 * @src: the MonoString to copy.
913 * @size: the maximum number of bytes to copy.
915 * Copies the MonoString pointed to by @src as a utf16 string into
916 * @dst, it copies at most @size bytes into the destination (including
917 * a terminating 16-bit zero terminator).
920 mono_string_to_byvalwstr (gpointer dst, MonoString *src, int size)
924 g_assert (dst != NULL);
928 memset (dst, 0, size * 2);
932 len = MIN (size, (mono_string_length (src)));
933 memcpy (dst, mono_string_chars (src), size * 2);
934 if (size <= mono_string_length (src))
936 *((gunichar2 *) dst + len) = 0;
940 mono_mb_emit_proxy_check (MonoMethodBuilder *mb, int branch_code)
943 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
944 mono_mb_emit_byte (mb, CEE_LDIND_I);
945 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoVTable, klass));
946 mono_mb_emit_byte (mb, CEE_ADD);
947 mono_mb_emit_byte (mb, CEE_LDIND_I);
948 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
949 mono_mb_emit_byte (mb, CEE_MONO_CLASSCONST);
950 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_defaults.transparent_proxy_class));
951 pos = mono_mb_emit_branch (mb, branch_code);
956 mono_mb_emit_xdomain_check (MonoMethodBuilder *mb, int branch_code)
959 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
960 mono_mb_emit_byte (mb, CEE_LDIND_REF);
961 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoRealProxy, target_domain_id));
962 mono_mb_emit_byte (mb, CEE_LDIND_I4);
963 mono_mb_emit_icon (mb, -1);
964 pos = mono_mb_emit_branch (mb, branch_code);
969 mono_mb_emit_contextbound_check (MonoMethodBuilder *mb, int branch_code)
971 static int offset = -1;
975 mono_marshal_find_bitfield_offset (MonoClass, contextbound, &offset, &mask);
977 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, remote_class));
978 mono_mb_emit_byte (mb, CEE_LDIND_REF);
979 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoRemoteClass, proxy_class));
980 mono_mb_emit_byte (mb, CEE_LDIND_REF);
981 mono_mb_emit_ldflda (mb, offset);
982 mono_mb_emit_byte (mb, CEE_LDIND_U1);
983 mono_mb_emit_icon (mb, mask);
984 mono_mb_emit_byte (mb, CEE_AND);
985 mono_mb_emit_icon (mb, 0);
986 return mono_mb_emit_branch (mb, branch_code);
990 mono_mb_emit_exception_marshal_directive (MonoMethodBuilder *mb, const char *msg)
992 mono_mb_emit_exception_full (mb, "System.Runtime.InteropServices", "MarshalDirectiveException", msg);
996 mono_type_to_ldind (MonoType *type)
1002 switch (type->type) {
1004 return CEE_LDIND_I1;
1006 case MONO_TYPE_BOOLEAN:
1007 return CEE_LDIND_U1;
1009 return CEE_LDIND_I2;
1011 case MONO_TYPE_CHAR:
1012 return CEE_LDIND_U2;
1014 return CEE_LDIND_I4;
1016 return CEE_LDIND_U4;
1020 case MONO_TYPE_FNPTR:
1022 case MONO_TYPE_CLASS:
1023 case MONO_TYPE_STRING:
1024 case MONO_TYPE_OBJECT:
1025 case MONO_TYPE_SZARRAY:
1026 case MONO_TYPE_ARRAY:
1027 return CEE_LDIND_REF;
1030 return CEE_LDIND_I8;
1032 return CEE_LDIND_R4;
1034 return CEE_LDIND_R8;
1035 case MONO_TYPE_VALUETYPE:
1036 if (type->data.klass->enumtype) {
1037 type = mono_class_enum_basetype (type->data.klass);
1041 case MONO_TYPE_TYPEDBYREF:
1043 case MONO_TYPE_GENERICINST:
1044 type = &type->data.generic_class->container_class->byval_arg;
1047 g_error ("unknown type 0x%02x in type_to_ldind", type->type);
1053 mono_type_to_stind (MonoType *type)
1059 switch (type->type) {
1062 case MONO_TYPE_BOOLEAN:
1063 return CEE_STIND_I1;
1066 case MONO_TYPE_CHAR:
1067 return CEE_STIND_I2;
1070 return CEE_STIND_I4;
1074 case MONO_TYPE_FNPTR:
1076 case MONO_TYPE_CLASS:
1077 case MONO_TYPE_STRING:
1078 case MONO_TYPE_OBJECT:
1079 case MONO_TYPE_SZARRAY:
1080 case MONO_TYPE_ARRAY:
1081 return CEE_STIND_REF;
1084 return CEE_STIND_I8;
1086 return CEE_STIND_R4;
1088 return CEE_STIND_R8;
1089 case MONO_TYPE_VALUETYPE:
1090 if (type->data.klass->enumtype) {
1091 type = mono_class_enum_basetype (type->data.klass);
1095 case MONO_TYPE_TYPEDBYREF:
1097 case MONO_TYPE_GENERICINST:
1098 type = &type->data.generic_class->container_class->byval_arg;
1101 g_error ("unknown type 0x%02x in type_to_stind", type->type);
1107 emit_ptr_to_object_conv (MonoMethodBuilder *mb, MonoType *type, MonoMarshalConv conv, MonoMarshalSpec *mspec)
1110 case MONO_MARSHAL_CONV_BOOL_I4:
1111 mono_mb_emit_ldloc (mb, 1);
1112 mono_mb_emit_ldloc (mb, 0);
1113 mono_mb_emit_byte (mb, CEE_LDIND_I4);
1114 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
1115 mono_mb_emit_byte (mb, 3);
1116 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
1117 mono_mb_emit_byte (mb, CEE_BR_S);
1118 mono_mb_emit_byte (mb, 1);
1119 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
1120 mono_mb_emit_byte (mb, CEE_STIND_I1);
1122 case MONO_MARSHAL_CONV_BOOL_VARIANTBOOL:
1123 mono_mb_emit_ldloc (mb, 1);
1124 mono_mb_emit_ldloc (mb, 0);
1125 mono_mb_emit_byte (mb, CEE_LDIND_I2);
1126 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
1127 mono_mb_emit_byte (mb, 3);
1128 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
1129 mono_mb_emit_byte (mb, CEE_BR_S);
1130 mono_mb_emit_byte (mb, 1);
1131 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
1132 mono_mb_emit_byte (mb, CEE_STIND_I1);
1134 case MONO_MARSHAL_CONV_ARRAY_BYVALARRAY: {
1135 MonoClass *eklass = NULL;
1138 if (type->type == MONO_TYPE_SZARRAY) {
1139 eklass = type->data.klass;
1141 g_assert_not_reached ();
1144 esize = mono_class_native_size (eklass, NULL);
1146 /* create a new array */
1147 mono_mb_emit_ldloc (mb, 1);
1148 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1149 mono_mb_emit_op (mb, CEE_NEWARR, eklass);
1150 mono_mb_emit_byte (mb, CEE_STIND_I);
1152 if (eklass->blittable) {
1153 /* copy the elements */
1154 mono_mb_emit_ldloc (mb, 1);
1155 mono_mb_emit_byte (mb, CEE_LDIND_I);
1156 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArray, vector));
1157 mono_mb_emit_byte (mb, CEE_ADD);
1158 mono_mb_emit_ldloc (mb, 0);
1159 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem * esize);
1160 mono_mb_emit_byte (mb, CEE_PREFIX1);
1161 mono_mb_emit_byte (mb, CEE_CPBLK);
1164 int array_var, src_var, dst_var, index_var;
1165 guint32 label2, label3;
1167 array_var = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
1168 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1169 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1172 mono_mb_emit_ldloc (mb, 1);
1173 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1174 mono_mb_emit_stloc (mb, array_var);
1176 /* save the old src pointer */
1177 mono_mb_emit_ldloc (mb, 0);
1178 mono_mb_emit_stloc (mb, src_var);
1179 /* save the old dst pointer */
1180 mono_mb_emit_ldloc (mb, 1);
1181 mono_mb_emit_stloc (mb, dst_var);
1183 /* Emit marshalling loop */
1184 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1185 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
1186 mono_mb_emit_stloc (mb, index_var);
1189 label2 = mono_mb_get_label (mb);
1190 mono_mb_emit_ldloc (mb, index_var);
1191 mono_mb_emit_ldloc (mb, array_var);
1192 mono_mb_emit_byte (mb, CEE_LDLEN);
1193 label3 = mono_mb_emit_branch (mb, CEE_BGE);
1195 /* src is already set */
1198 mono_mb_emit_ldloc (mb, array_var);
1199 mono_mb_emit_ldloc (mb, index_var);
1200 mono_mb_emit_op (mb, CEE_LDELEMA, eklass);
1201 mono_mb_emit_stloc (mb, 1);
1203 /* Do the conversion */
1204 emit_struct_conv (mb, eklass, TRUE);
1207 mono_mb_emit_add_to_local (mb, index_var, 1);
1209 mono_mb_emit_branch_label (mb, CEE_BR, label2);
1211 mono_mb_patch_branch (mb, label3);
1213 /* restore the old src pointer */
1214 mono_mb_emit_ldloc (mb, src_var);
1215 mono_mb_emit_stloc (mb, 0);
1216 /* restore the old dst pointer */
1217 mono_mb_emit_ldloc (mb, dst_var);
1218 mono_mb_emit_stloc (mb, 1);
1222 case MONO_MARSHAL_CONV_ARRAY_BYVALCHARARRAY: {
1223 MonoClass *eclass = mono_defaults.char_class;
1225 /* create a new array */
1226 mono_mb_emit_ldloc (mb, 1);
1227 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1228 mono_mb_emit_op (mb, CEE_NEWARR, eclass);
1229 mono_mb_emit_byte (mb, CEE_STIND_REF);
1231 mono_mb_emit_ldloc (mb, 1);
1232 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1233 mono_mb_emit_ldloc (mb, 0);
1234 mono_mb_emit_ptr (mb, mono_defaults.byte_class);
1235 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1236 mono_mb_emit_icall (mb, mono_byvalarray_to_array);
1239 case MONO_MARSHAL_CONV_STR_BYVALSTR:
1240 mono_mb_emit_ldloc (mb, 1);
1241 mono_mb_emit_ldloc (mb, 0);
1242 mono_mb_emit_icall (mb, mono_string_new_wrapper);
1243 mono_mb_emit_byte (mb, CEE_STIND_REF);
1245 case MONO_MARSHAL_CONV_STR_BYVALWSTR:
1246 mono_mb_emit_ldloc (mb, 1);
1247 mono_mb_emit_ldloc (mb, 0);
1248 mono_mb_emit_icall (mb, mono_string_from_utf16);
1249 mono_mb_emit_byte (mb, CEE_STIND_REF);
1251 case MONO_MARSHAL_CONV_STR_LPTSTR:
1252 mono_mb_emit_ldloc (mb, 1);
1253 mono_mb_emit_ldloc (mb, 0);
1254 mono_mb_emit_byte (mb, CEE_LDIND_I);
1255 #ifdef PLATFORM_WIN32
1256 mono_mb_emit_icall (mb, mono_string_from_utf16);
1258 mono_mb_emit_icall (mb, mono_string_new_wrapper);
1260 mono_mb_emit_byte (mb, CEE_STIND_REF);
1262 case MONO_MARSHAL_CONV_STR_LPSTR:
1263 mono_mb_emit_ldloc (mb, 1);
1264 mono_mb_emit_ldloc (mb, 0);
1265 mono_mb_emit_byte (mb, CEE_LDIND_I);
1266 mono_mb_emit_icall (mb, mono_string_new_wrapper);
1267 mono_mb_emit_byte (mb, CEE_STIND_REF);
1269 case MONO_MARSHAL_CONV_STR_LPWSTR:
1270 mono_mb_emit_ldloc (mb, 1);
1271 mono_mb_emit_ldloc (mb, 0);
1272 mono_mb_emit_byte (mb, CEE_LDIND_I);
1273 mono_mb_emit_icall (mb, mono_string_from_utf16);
1274 mono_mb_emit_byte (mb, CEE_STIND_REF);
1276 case MONO_MARSHAL_CONV_OBJECT_STRUCT: {
1277 MonoClass *klass = mono_class_from_mono_type (type);
1278 int src_var, dst_var;
1280 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1281 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1283 /* *dst = new object */
1284 mono_mb_emit_ldloc (mb, 1);
1285 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1286 mono_mb_emit_op (mb, CEE_MONO_NEWOBJ, klass);
1287 mono_mb_emit_byte (mb, CEE_STIND_REF);
1289 /* save the old src pointer */
1290 mono_mb_emit_ldloc (mb, 0);
1291 mono_mb_emit_stloc (mb, src_var);
1292 /* save the old dst pointer */
1293 mono_mb_emit_ldloc (mb, 1);
1294 mono_mb_emit_stloc (mb, dst_var);
1296 /* dst = pointer to newly created object data */
1297 mono_mb_emit_ldloc (mb, 1);
1298 mono_mb_emit_byte (mb, CEE_LDIND_I);
1299 mono_mb_emit_icon (mb, sizeof (MonoObject));
1300 mono_mb_emit_byte (mb, CEE_ADD);
1301 mono_mb_emit_stloc (mb, 1);
1303 emit_struct_conv (mb, klass, TRUE);
1305 /* restore the old src pointer */
1306 mono_mb_emit_ldloc (mb, src_var);
1307 mono_mb_emit_stloc (mb, 0);
1308 /* restore the old dst pointer */
1309 mono_mb_emit_ldloc (mb, dst_var);
1310 mono_mb_emit_stloc (mb, 1);
1313 case MONO_MARSHAL_CONV_DEL_FTN: {
1314 MonoClass *klass = mono_class_from_mono_type (type);
1316 mono_mb_emit_ldloc (mb, 1);
1317 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1318 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
1319 mono_mb_emit_ldloc (mb, 0);
1320 mono_mb_emit_byte (mb, CEE_LDIND_I);
1321 mono_mb_emit_icall (mb, mono_ftnptr_to_delegate);
1322 mono_mb_emit_byte (mb, CEE_STIND_REF);
1325 case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
1326 g_error ("Structure field of type %s can't be marshalled as LPArray", mono_class_from_mono_type (type)->name);
1330 case MONO_MARSHAL_CONV_OBJECT_INTERFACE:
1331 case MONO_MARSHAL_CONV_OBJECT_IUNKNOWN:
1332 case MONO_MARSHAL_CONV_OBJECT_IDISPATCH:
1333 mono_cominterop_emit_ptr_to_object_conv (mb, type, conv, mspec);
1335 #endif /* DISABLE_COM */
1337 case MONO_MARSHAL_CONV_SAFEHANDLE: {
1339 * Passing SafeHandles as ref does not allow the unmanaged code
1340 * to change the SafeHandle value. If the value is changed,
1341 * we should issue a diagnostic exception (NotSupportedException)
1342 * that informs the user that changes to handles in unmanaged code
1345 * Since we currently have no access to the original
1346 * SafeHandle that was used during the marshalling,
1347 * for now we just ignore this, and ignore/discard any
1348 * changes that might have happened to the handle.
1353 case MONO_MARSHAL_CONV_HANDLEREF: {
1355 * Passing HandleRefs in a struct that is ref()ed does not
1356 * copy the values back to the HandleRef
1361 case MONO_MARSHAL_CONV_STR_BSTR:
1362 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
1363 case MONO_MARSHAL_CONV_STR_TBSTR:
1364 case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
1366 g_warning ("marshaling conversion %d not implemented", conv);
1367 g_assert_not_reached ();
1372 conv_to_icall (MonoMarshalConv conv)
1375 case MONO_MARSHAL_CONV_STR_LPWSTR:
1376 return mono_marshal_string_to_utf16;
1377 case MONO_MARSHAL_CONV_LPWSTR_STR:
1378 return mono_string_from_utf16;
1379 case MONO_MARSHAL_CONV_LPSTR_STR:
1380 return mono_string_new_wrapper;
1381 case MONO_MARSHAL_CONV_STR_LPTSTR:
1382 #ifdef PLATFORM_WIN32
1383 return mono_marshal_string_to_utf16;
1385 return mono_string_to_lpstr;
1387 case MONO_MARSHAL_CONV_STR_LPSTR:
1388 return mono_string_to_lpstr;
1389 case MONO_MARSHAL_CONV_STR_BSTR:
1390 return mono_string_to_bstr;
1391 case MONO_MARSHAL_CONV_BSTR_STR:
1392 return mono_string_from_bstr;
1393 case MONO_MARSHAL_CONV_STR_TBSTR:
1394 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
1395 return mono_string_to_ansibstr;
1396 case MONO_MARSHAL_CONV_SB_LPSTR:
1397 return mono_string_builder_to_utf8;
1398 case MONO_MARSHAL_CONV_SB_LPTSTR:
1399 #ifdef PLATFORM_WIN32
1400 return mono_string_builder_to_utf16;
1402 return mono_string_builder_to_utf8;
1404 case MONO_MARSHAL_CONV_SB_LPWSTR:
1405 return mono_string_builder_to_utf16;
1406 case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
1407 return mono_array_to_savearray;
1408 case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
1409 return mono_array_to_lparray;
1410 case MONO_MARSHAL_FREE_LPARRAY:
1411 return mono_free_lparray;
1412 case MONO_MARSHAL_CONV_DEL_FTN:
1413 return mono_delegate_to_ftnptr;
1414 case MONO_MARSHAL_CONV_FTN_DEL:
1415 return mono_ftnptr_to_delegate;
1416 case MONO_MARSHAL_CONV_LPSTR_SB:
1417 return mono_string_utf8_to_builder;
1418 case MONO_MARSHAL_CONV_LPTSTR_SB:
1419 #ifdef PLATFORM_WIN32
1420 return mono_string_utf16_to_builder;
1422 return mono_string_utf8_to_builder;
1424 case MONO_MARSHAL_CONV_LPWSTR_SB:
1425 return mono_string_utf16_to_builder;
1426 case MONO_MARSHAL_FREE_ARRAY:
1427 return mono_marshal_free_array;
1428 case MONO_MARSHAL_CONV_STR_BYVALSTR:
1429 return mono_string_to_byvalstr;
1430 case MONO_MARSHAL_CONV_STR_BYVALWSTR:
1431 return mono_string_to_byvalwstr;
1433 g_assert_not_reached ();
1440 emit_object_to_ptr_conv (MonoMethodBuilder *mb, MonoType *type, MonoMarshalConv conv, MonoMarshalSpec *mspec)
1445 case MONO_MARSHAL_CONV_BOOL_I4:
1446 mono_mb_emit_ldloc (mb, 1);
1447 mono_mb_emit_ldloc (mb, 0);
1448 mono_mb_emit_byte (mb, CEE_LDIND_U1);
1449 mono_mb_emit_byte (mb, CEE_STIND_I4);
1451 case MONO_MARSHAL_CONV_BOOL_VARIANTBOOL:
1452 mono_mb_emit_ldloc (mb, 1);
1453 mono_mb_emit_ldloc (mb, 0);
1454 mono_mb_emit_byte (mb, CEE_LDIND_U1);
1455 mono_mb_emit_byte (mb, CEE_NEG);
1456 mono_mb_emit_byte (mb, CEE_STIND_I2);
1458 case MONO_MARSHAL_CONV_STR_LPWSTR:
1459 case MONO_MARSHAL_CONV_STR_LPSTR:
1460 case MONO_MARSHAL_CONV_STR_LPTSTR:
1461 case MONO_MARSHAL_CONV_STR_BSTR:
1462 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
1463 case MONO_MARSHAL_CONV_STR_TBSTR: {
1466 /* free space if free == true */
1467 mono_mb_emit_ldloc (mb, 2);
1468 pos = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
1469 mono_mb_emit_ldloc (mb, 1);
1470 mono_mb_emit_byte (mb, CEE_LDIND_I);
1471 mono_mb_emit_icall (mb, g_free);
1472 mono_mb_patch_short_branch (mb, pos);
1474 mono_mb_emit_ldloc (mb, 1);
1475 mono_mb_emit_ldloc (mb, 0);
1476 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1477 mono_mb_emit_icall (mb, conv_to_icall (conv));
1478 mono_mb_emit_byte (mb, CEE_STIND_I);
1481 case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
1482 case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
1483 case MONO_MARSHAL_CONV_DEL_FTN:
1484 mono_mb_emit_ldloc (mb, 1);
1485 mono_mb_emit_ldloc (mb, 0);
1486 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1487 mono_mb_emit_icall (mb, conv_to_icall (conv));
1488 mono_mb_emit_byte (mb, CEE_STIND_I);
1490 case MONO_MARSHAL_CONV_STR_BYVALSTR:
1491 case MONO_MARSHAL_CONV_STR_BYVALWSTR: {
1494 mono_mb_emit_ldloc (mb, 1); /* dst */
1495 mono_mb_emit_ldloc (mb, 0);
1496 mono_mb_emit_byte (mb, CEE_LDIND_REF); /* src String */
1497 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1498 mono_mb_emit_icall (mb, conv_to_icall (conv));
1501 case MONO_MARSHAL_CONV_ARRAY_BYVALARRAY: {
1502 MonoClass *eklass = NULL;
1505 if (type->type == MONO_TYPE_SZARRAY) {
1506 eklass = type->data.klass;
1508 g_assert_not_reached ();
1511 if (eklass->valuetype)
1512 esize = mono_class_native_size (eklass, NULL);
1514 esize = sizeof (gpointer);
1516 mono_mb_emit_ldloc (mb, 0);
1517 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1518 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
1520 if (eklass->blittable) {
1521 mono_mb_emit_ldloc (mb, 1);
1522 mono_mb_emit_ldloc (mb, 0);
1523 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1524 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoArray, vector));
1525 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem * esize);
1526 mono_mb_emit_byte (mb, CEE_PREFIX1);
1527 mono_mb_emit_byte (mb, CEE_CPBLK);
1529 int array_var, src_var, dst_var, index_var;
1530 guint32 label2, label3;
1532 array_var = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
1533 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1534 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1537 mono_mb_emit_ldloc (mb, 0);
1538 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1539 mono_mb_emit_stloc (mb, array_var);
1541 /* save the old src pointer */
1542 mono_mb_emit_ldloc (mb, 0);
1543 mono_mb_emit_stloc (mb, src_var);
1544 /* save the old dst pointer */
1545 mono_mb_emit_ldloc (mb, 1);
1546 mono_mb_emit_stloc (mb, dst_var);
1548 /* Emit marshalling loop */
1549 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1550 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
1551 mono_mb_emit_stloc (mb, index_var);
1554 label2 = mono_mb_get_label (mb);
1555 mono_mb_emit_ldloc (mb, index_var);
1556 mono_mb_emit_ldloc (mb, array_var);
1557 mono_mb_emit_byte (mb, CEE_LDLEN);
1558 label3 = mono_mb_emit_branch (mb, CEE_BGE);
1561 mono_mb_emit_ldloc (mb, array_var);
1562 mono_mb_emit_ldloc (mb, index_var);
1563 mono_mb_emit_op (mb, CEE_LDELEMA, eklass);
1564 mono_mb_emit_stloc (mb, 0);
1566 /* dst is already set */
1568 /* Do the conversion */
1569 emit_struct_conv (mb, eklass, FALSE);
1572 mono_mb_emit_add_to_local (mb, index_var, 1);
1574 mono_mb_emit_branch_label (mb, CEE_BR, label2);
1576 mono_mb_patch_branch (mb, label3);
1578 /* restore the old src pointer */
1579 mono_mb_emit_ldloc (mb, src_var);
1580 mono_mb_emit_stloc (mb, 0);
1581 /* restore the old dst pointer */
1582 mono_mb_emit_ldloc (mb, dst_var);
1583 mono_mb_emit_stloc (mb, 1);
1586 mono_mb_patch_branch (mb, pos);
1589 case MONO_MARSHAL_CONV_ARRAY_BYVALCHARARRAY: {
1590 mono_mb_emit_ldloc (mb, 0);
1591 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1592 pos = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
1594 mono_mb_emit_ldloc (mb, 1);
1595 mono_mb_emit_ldloc (mb, 0);
1596 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1597 mono_mb_emit_ptr (mb, mono_defaults.byte_class);
1598 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1599 mono_mb_emit_icall (mb, mono_array_to_byvalarray);
1600 mono_mb_patch_short_branch (mb, pos);
1603 case MONO_MARSHAL_CONV_OBJECT_STRUCT: {
1604 int src_var, dst_var;
1606 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1607 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1609 mono_mb_emit_ldloc (mb, 0);
1610 mono_mb_emit_byte (mb, CEE_LDIND_I);
1611 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
1613 /* save the old src pointer */
1614 mono_mb_emit_ldloc (mb, 0);
1615 mono_mb_emit_stloc (mb, src_var);
1616 /* save the old dst pointer */
1617 mono_mb_emit_ldloc (mb, 1);
1618 mono_mb_emit_stloc (mb, dst_var);
1620 /* src = pointer to object data */
1621 mono_mb_emit_ldloc (mb, 0);
1622 mono_mb_emit_byte (mb, CEE_LDIND_I);
1623 mono_mb_emit_icon (mb, sizeof (MonoObject));
1624 mono_mb_emit_byte (mb, CEE_ADD);
1625 mono_mb_emit_stloc (mb, 0);
1627 emit_struct_conv (mb, mono_class_from_mono_type (type), FALSE);
1629 /* restore the old src pointer */
1630 mono_mb_emit_ldloc (mb, src_var);
1631 mono_mb_emit_stloc (mb, 0);
1632 /* restore the old dst pointer */
1633 mono_mb_emit_ldloc (mb, dst_var);
1634 mono_mb_emit_stloc (mb, 1);
1636 mono_mb_patch_branch (mb, pos);
1641 case MONO_MARSHAL_CONV_OBJECT_INTERFACE:
1642 case MONO_MARSHAL_CONV_OBJECT_IDISPATCH:
1643 case MONO_MARSHAL_CONV_OBJECT_IUNKNOWN:
1644 mono_cominterop_emit_object_to_ptr_conv (mb, type, conv, mspec);
1646 #endif /* DISABLE_COM */
1648 case MONO_MARSHAL_CONV_SAFEHANDLE: {
1649 int dar_release_slot, pos;
1651 dar_release_slot = mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
1654 * The following is ifdefed-out, because I have no way of doing the
1655 * DangerousRelease when destroying the structure
1658 /* set release = false */
1659 mono_mb_emit_icon (mb, 0);
1660 mono_mb_emit_stloc (mb, dar_release_slot);
1661 if (!sh_dangerous_add_ref)
1662 init_safe_handle ();
1664 /* safehandle.DangerousAddRef (ref release) */
1665 mono_mb_emit_ldloc (mb, 0); /* the source */
1666 mono_mb_emit_byte (mb, CEE_LDIND_I);
1667 mono_mb_emit_ldloc_addr (mb, dar_release_slot);
1668 mono_mb_emit_managed_call (mb, sh_dangerous_add_ref, NULL);
1670 mono_mb_emit_ldloc (mb, 0);
1671 mono_mb_emit_byte (mb, CEE_LDIND_I);
1672 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
1673 mono_mb_emit_exception (mb, "ArgumentNullException", NULL);
1674 mono_mb_patch_branch (mb, pos);
1676 /* Pull the handle field from SafeHandle */
1677 mono_mb_emit_ldloc (mb, 1);
1678 mono_mb_emit_ldloc (mb, 0);
1679 mono_mb_emit_byte (mb, CEE_LDIND_I);
1680 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoSafeHandle, handle));
1681 mono_mb_emit_byte (mb, CEE_LDIND_I);
1682 mono_mb_emit_byte (mb, CEE_STIND_I);
1686 case MONO_MARSHAL_CONV_HANDLEREF: {
1687 mono_mb_emit_ldloc (mb, 1);
1688 mono_mb_emit_ldloc (mb, 0);
1689 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoHandleRef, handle));
1690 mono_mb_emit_byte (mb, CEE_ADD);
1691 mono_mb_emit_byte (mb, CEE_LDIND_I);
1692 mono_mb_emit_byte (mb, CEE_STIND_I);
1697 char *msg = g_strdup_printf ("marshalling conversion %d not implemented", conv);
1698 MonoException *exc = mono_get_exception_not_implemented (msg);
1699 g_warning ("%s", msg);
1701 mono_raise_exception (exc);
1707 emit_struct_conv (MonoMethodBuilder *mb, MonoClass *klass, gboolean to_object)
1709 MonoMarshalType *info;
1713 emit_struct_conv(mb, klass->parent, to_object);
1715 info = mono_marshal_load_type_info (klass);
1717 if (info->native_size == 0)
1720 if (klass->blittable) {
1721 int msize = mono_class_value_size (klass, NULL);
1722 g_assert (msize == info->native_size);
1723 mono_mb_emit_ldloc (mb, 1);
1724 mono_mb_emit_ldloc (mb, 0);
1725 mono_mb_emit_icon (mb, msize);
1726 mono_mb_emit_byte (mb, CEE_PREFIX1);
1727 mono_mb_emit_byte (mb, CEE_CPBLK);
1729 mono_mb_emit_add_to_local (mb, 0, msize);
1730 mono_mb_emit_add_to_local (mb, 1, msize);
1734 for (i = 0; i < info->num_fields; i++) {
1735 MonoMarshalNative ntype;
1736 MonoMarshalConv conv;
1737 MonoType *ftype = info->fields [i].field->type;
1740 gboolean last_field = i < (info->num_fields -1) ? 0 : 1;
1742 if (ftype->attrs & FIELD_ATTRIBUTE_STATIC)
1745 ntype = mono_type_to_unmanaged (ftype, info->fields [i].mspec, TRUE, klass->unicode, &conv);
1748 msize = klass->instance_size - info->fields [i].field->offset;
1749 usize = info->native_size - info->fields [i].offset;
1751 msize = info->fields [i + 1].field->offset - info->fields [i].field->offset;
1752 usize = info->fields [i + 1].offset - info->fields [i].offset;
1755 if (klass != mono_defaults.safehandle_class){
1757 * FIXME: Should really check for usize==0 and msize>0, but we apply
1758 * the layout to the managed structure as well.
1761 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) && (usize == 0)) {
1762 if (MONO_TYPE_IS_REFERENCE (info->fields [i].field->type) ||
1763 ((!last_field && MONO_TYPE_IS_REFERENCE (info->fields [i + 1].field->type))))
1764 g_error ("Type %s which has an [ExplicitLayout] attribute cannot have a "
1765 "reference field at the same offset as another field.",
1766 mono_type_full_name (&klass->byval_arg));
1769 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT)
1770 g_error ("Type %s which is passed to unmanaged code must have a StructLayout attribute",
1771 mono_type_full_name (&klass->byval_arg));
1776 case MONO_MARSHAL_CONV_NONE: {
1779 if (ftype->byref || ftype->type == MONO_TYPE_I ||
1780 ftype->type == MONO_TYPE_U) {
1781 mono_mb_emit_ldloc (mb, 1);
1782 mono_mb_emit_ldloc (mb, 0);
1783 mono_mb_emit_byte (mb, CEE_LDIND_I);
1784 mono_mb_emit_byte (mb, CEE_STIND_I);
1795 case MONO_TYPE_BOOLEAN:
1798 case MONO_TYPE_CHAR:
1804 mono_mb_emit_ldloc (mb, 1);
1805 mono_mb_emit_ldloc (mb, 0);
1806 mono_mb_emit_byte (mb, mono_type_to_ldind (ftype));
1807 mono_mb_emit_byte (mb, mono_type_to_stind (ftype));
1809 case MONO_TYPE_VALUETYPE: {
1810 int src_var, dst_var;
1812 if (ftype->data.klass->enumtype) {
1813 ftype = mono_class_enum_basetype (ftype->data.klass);
1817 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1818 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1820 /* save the old src pointer */
1821 mono_mb_emit_ldloc (mb, 0);
1822 mono_mb_emit_stloc (mb, src_var);
1823 /* save the old dst pointer */
1824 mono_mb_emit_ldloc (mb, 1);
1825 mono_mb_emit_stloc (mb, dst_var);
1827 emit_struct_conv (mb, ftype->data.klass, to_object);
1829 /* restore the old src pointer */
1830 mono_mb_emit_ldloc (mb, src_var);
1831 mono_mb_emit_stloc (mb, 0);
1832 /* restore the old dst pointer */
1833 mono_mb_emit_ldloc (mb, dst_var);
1834 mono_mb_emit_stloc (mb, 1);
1837 case MONO_TYPE_OBJECT: {
1838 mono_init_com_types ();
1840 static MonoMethod *variant_clear = NULL;
1841 static MonoMethod *get_object_for_native_variant = NULL;
1844 variant_clear = mono_class_get_method_from_name (mono_defaults.variant_class, "Clear", 0);
1845 if (!get_object_for_native_variant)
1846 get_object_for_native_variant = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetObjectForNativeVariant", 1);
1847 mono_mb_emit_ldloc (mb, 1);
1848 mono_mb_emit_ldloc (mb, 0);
1849 mono_mb_emit_managed_call (mb, get_object_for_native_variant, NULL);
1850 mono_mb_emit_byte (mb, CEE_STIND_REF);
1852 mono_mb_emit_ldloc (mb, 0);
1853 mono_mb_emit_managed_call (mb, variant_clear, NULL);
1856 static MonoMethod *get_native_variant_for_object = NULL;
1858 if (!get_native_variant_for_object)
1859 get_native_variant_for_object = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetNativeVariantForObject", 2);
1861 mono_mb_emit_ldloc (mb, 0);
1862 mono_mb_emit_byte(mb, CEE_LDIND_REF);
1863 mono_mb_emit_ldloc (mb, 1);
1864 mono_mb_emit_managed_call (mb, get_native_variant_for_object, NULL);
1870 g_warning ("marshaling type %02x not implemented", ftype->type);
1871 g_assert_not_reached ();
1876 int src_var, dst_var;
1878 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1879 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1881 /* save the old src pointer */
1882 mono_mb_emit_ldloc (mb, 0);
1883 mono_mb_emit_stloc (mb, src_var);
1884 /* save the old dst pointer */
1885 mono_mb_emit_ldloc (mb, 1);
1886 mono_mb_emit_stloc (mb, dst_var);
1889 emit_ptr_to_object_conv (mb, ftype, conv, info->fields [i].mspec);
1891 emit_object_to_ptr_conv (mb, ftype, conv, info->fields [i].mspec);
1893 /* restore the old src pointer */
1894 mono_mb_emit_ldloc (mb, src_var);
1895 mono_mb_emit_stloc (mb, 0);
1896 /* restore the old dst pointer */
1897 mono_mb_emit_ldloc (mb, dst_var);
1898 mono_mb_emit_stloc (mb, 1);
1903 mono_mb_emit_add_to_local (mb, 0, usize);
1904 mono_mb_emit_add_to_local (mb, 1, msize);
1906 mono_mb_emit_add_to_local (mb, 0, msize);
1907 mono_mb_emit_add_to_local (mb, 1, usize);
1913 emit_struct_free (MonoMethodBuilder *mb, MonoClass *klass, int struct_var)
1915 /* Call DestroyStructure */
1916 /* FIXME: Only do this if needed */
1917 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1918 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
1919 mono_mb_emit_ldloc (mb, struct_var);
1920 mono_mb_emit_icall (mb, mono_struct_delete_old);
1924 emit_thread_interrupt_checkpoint_call (MonoMethodBuilder *mb, gpointer checkpoint_func)
1928 mono_mb_emit_ptr (mb, (gpointer) mono_thread_interruption_request_flag ());
1929 mono_mb_emit_byte (mb, CEE_LDIND_U4);
1930 pos_noabort = mono_mb_emit_branch (mb, CEE_BRFALSE);
1932 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1933 mono_mb_emit_byte (mb, CEE_MONO_NOT_TAKEN);
1935 mono_mb_emit_icall (mb, checkpoint_func);
1937 mono_mb_patch_branch (mb, pos_noabort);
1941 emit_thread_interrupt_checkpoint (MonoMethodBuilder *mb)
1943 if (strstr (mb->name, "mono_thread_interruption_checkpoint"))
1946 emit_thread_interrupt_checkpoint_call (mb, mono_thread_interruption_checkpoint);
1950 emit_thread_force_interrupt_checkpoint (MonoMethodBuilder *mb)
1952 emit_thread_interrupt_checkpoint_call (mb, mono_thread_force_interruption_checkpoint);
1956 mono_marshal_emit_thread_interrupt_checkpoint (MonoMethodBuilder *mb)
1958 emit_thread_interrupt_checkpoint (mb);
1961 static MonoAsyncResult *
1962 mono_delegate_begin_invoke (MonoDelegate *delegate, gpointer *params)
1964 MonoMethodMessage *msg;
1965 MonoDelegate *async_callback;
1969 MonoMethod *method = NULL, *method2 = NULL;
1971 g_assert (delegate);
1973 if (delegate->target && mono_object_class (delegate->target) == mono_defaults.transparent_proxy_class) {
1975 MonoTransparentProxy* tp = (MonoTransparentProxy *)delegate->target;
1976 if (!tp->remote_class->proxy_class->contextbound || tp->rp->context != (MonoObject *) mono_context_get ()) {
1978 /* If the target is a proxy, make a direct call. Is proxy's work
1979 // to make the call asynchronous.
1981 MonoAsyncResult *ares;
1983 MonoArray *out_args;
1985 method = delegate->method;
1987 msg = mono_method_call_message_new (mono_marshal_method_from_wrapper (method), params, NULL, &async_callback, &state);
1988 handle = CreateEvent (NULL, TRUE, FALSE, NULL);
1989 g_assert(handle != NULL);
1990 ares = mono_async_result_new (mono_domain_get (), handle, state, handle, NULL);
1991 MONO_OBJECT_SETREF (ares, async_delegate, (MonoObject *)delegate);
1992 MONO_OBJECT_SETREF (ares, async_callback, (MonoObject *)async_callback);
1993 MONO_OBJECT_SETREF (msg, async_result, ares);
1994 msg->call_type = CallType_BeginInvoke;
1996 mono_remoting_invoke ((MonoObject *)tp->rp, msg, &exc, &out_args);
2001 klass = delegate->object.vtable->klass;
2003 method = mono_get_delegate_invoke (klass);
2004 method2 = mono_class_get_method_from_name (klass, "BeginInvoke", -1);
2007 g_assert (method != NULL);
2009 im = mono_get_delegate_invoke (method->klass);
2010 msg = mono_method_call_message_new (method, params, im, &async_callback, &state);
2012 return mono_thread_pool_add ((MonoObject *)delegate, msg, async_callback, state);
2016 mono_mb_emit_save_args (MonoMethodBuilder *mb, MonoMethodSignature *sig, gboolean save_this)
2018 int i, params_var, tmp_var;
2020 /* allocate local (pointer) *params[] */
2021 params_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2022 /* allocate local (pointer) tmp */
2023 tmp_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2025 /* alloate space on stack to store an array of pointers to the arguments */
2026 mono_mb_emit_icon (mb, sizeof (gpointer) * (sig->param_count + 1));
2027 mono_mb_emit_byte (mb, CEE_PREFIX1);
2028 mono_mb_emit_byte (mb, CEE_LOCALLOC);
2029 mono_mb_emit_stloc (mb, params_var);
2032 mono_mb_emit_ldloc (mb, params_var);
2033 mono_mb_emit_stloc (mb, tmp_var);
2035 if (save_this && sig->hasthis) {
2036 mono_mb_emit_ldloc (mb, tmp_var);
2037 mono_mb_emit_ldarg_addr (mb, 0);
2038 mono_mb_emit_byte (mb, CEE_STIND_I);
2039 /* tmp = tmp + sizeof (gpointer) */
2040 if (sig->param_count)
2041 mono_mb_emit_add_to_local (mb, tmp_var, sizeof (gpointer));
2045 for (i = 0; i < sig->param_count; i++) {
2046 mono_mb_emit_ldloc (mb, tmp_var);
2047 mono_mb_emit_ldarg_addr (mb, i + sig->hasthis);
2048 mono_mb_emit_byte (mb, CEE_STIND_I);
2049 /* tmp = tmp + sizeof (gpointer) */
2050 if (i < (sig->param_count - 1))
2051 mono_mb_emit_add_to_local (mb, tmp_var, sizeof (gpointer));
2058 mono_signature_to_name (MonoMethodSignature *sig, const char *prefix)
2062 GString *res = g_string_new ("");
2065 g_string_append (res, prefix);
2066 g_string_append_c (res, '_');
2069 mono_type_get_desc (res, sig->ret, FALSE);
2072 g_string_append (res, "__this__");
2074 for (i = 0; i < sig->param_count; ++i) {
2075 g_string_append_c (res, '_');
2076 mono_type_get_desc (res, sig->params [i], FALSE);
2079 g_string_free (res, FALSE);
2084 * mono_marshal_get_string_encoding:
2086 * Return the string encoding which should be used for a given parameter.
2088 static MonoMarshalNative
2089 mono_marshal_get_string_encoding (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
2091 /* First try the parameter marshal info */
2093 if (spec->native == MONO_NATIVE_LPARRAY) {
2094 if ((spec->data.array_data.elem_type != 0) && (spec->data.array_data.elem_type != MONO_NATIVE_MAX))
2095 return spec->data.array_data.elem_type;
2098 return spec->native;
2102 return MONO_NATIVE_LPSTR;
2104 /* Then try the method level marshal info */
2105 switch (piinfo->piflags & PINVOKE_ATTRIBUTE_CHAR_SET_MASK) {
2106 case PINVOKE_ATTRIBUTE_CHAR_SET_ANSI:
2107 return MONO_NATIVE_LPSTR;
2108 case PINVOKE_ATTRIBUTE_CHAR_SET_UNICODE:
2109 return MONO_NATIVE_LPWSTR;
2110 case PINVOKE_ATTRIBUTE_CHAR_SET_AUTO:
2111 #ifdef PLATFORM_WIN32
2112 return MONO_NATIVE_LPWSTR;
2114 return MONO_NATIVE_LPSTR;
2117 return MONO_NATIVE_LPSTR;
2121 static MonoMarshalConv
2122 mono_marshal_get_string_to_ptr_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
2124 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
2127 case MONO_NATIVE_LPWSTR:
2128 return MONO_MARSHAL_CONV_STR_LPWSTR;
2129 case MONO_NATIVE_LPSTR:
2130 return MONO_MARSHAL_CONV_STR_LPSTR;
2131 case MONO_NATIVE_LPTSTR:
2132 return MONO_MARSHAL_CONV_STR_LPTSTR;
2133 case MONO_NATIVE_BSTR:
2134 return MONO_MARSHAL_CONV_STR_BSTR;
2140 static MonoMarshalConv
2141 mono_marshal_get_stringbuilder_to_ptr_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
2143 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
2146 case MONO_NATIVE_LPWSTR:
2147 return MONO_MARSHAL_CONV_SB_LPWSTR;
2149 case MONO_NATIVE_LPSTR:
2150 return MONO_MARSHAL_CONV_SB_LPSTR;
2152 case MONO_NATIVE_LPTSTR:
2153 return MONO_MARSHAL_CONV_SB_LPTSTR;
2160 static MonoMarshalConv
2161 mono_marshal_get_ptr_to_string_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec, gboolean *need_free)
2163 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
2168 case MONO_NATIVE_LPWSTR:
2170 return MONO_MARSHAL_CONV_LPWSTR_STR;
2171 case MONO_NATIVE_LPSTR:
2172 return MONO_MARSHAL_CONV_LPSTR_STR;
2173 case MONO_NATIVE_LPTSTR:
2174 return MONO_MARSHAL_CONV_LPTSTR_STR;
2175 case MONO_NATIVE_BSTR:
2176 return MONO_MARSHAL_CONV_BSTR_STR;
2182 static MonoMarshalConv
2183 mono_marshal_get_ptr_to_stringbuilder_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec, gboolean *need_free)
2185 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
2190 case MONO_NATIVE_LPWSTR:
2192 * mono_string_builder_to_utf16 does not allocate a
2193 * new buffer, so no need to free it.
2196 return MONO_MARSHAL_CONV_LPWSTR_SB;
2197 case MONO_NATIVE_LPSTR:
2198 return MONO_MARSHAL_CONV_LPSTR_SB;
2200 case MONO_NATIVE_LPTSTR:
2201 return MONO_MARSHAL_CONV_LPTSTR_SB;
2209 * Return whenever a field of a native structure or an array member needs to
2213 mono_marshal_need_free (MonoType *t, MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
2215 MonoMarshalNative encoding;
2216 MonoMarshalConv conv;
2219 case MONO_TYPE_VALUETYPE:
2220 /* FIXME: Optimize this */
2222 case MONO_TYPE_OBJECT:
2223 case MONO_TYPE_CLASS:
2224 if (t->data.klass == mono_defaults.stringbuilder_class) {
2226 conv = mono_marshal_get_ptr_to_stringbuilder_conv (piinfo, spec, &need_free);
2230 case MONO_TYPE_STRING:
2231 encoding = mono_marshal_get_string_encoding (piinfo, spec);
2232 return (encoding == MONO_NATIVE_LPWSTR) ? FALSE : TRUE;
2239 * Return the hash table pointed to by VAR, lazily creating it if neccesary.
2242 get_cache (GHashTable **var, GHashFunc hash_func, GCompareFunc equal_func)
2245 mono_marshal_lock ();
2248 g_hash_table_new (hash_func, equal_func);
2249 mono_memory_barrier ();
2252 mono_marshal_unlock ();
2258 mono_marshal_get_cache (GHashTable **var, GHashFunc hash_func, GCompareFunc equal_func)
2260 return get_cache (var, hash_func, equal_func);
2264 mono_marshal_find_in_cache (GHashTable *cache, gpointer key)
2268 mono_marshal_lock ();
2269 res = g_hash_table_lookup (cache, key);
2270 mono_marshal_unlock ();
2275 mono_marshal_method_set_wrapper_data (MonoMethod *method, gpointer data)
2279 if (method->wrapper_type == MONO_WRAPPER_NONE || method->wrapper_type == MONO_WRAPPER_DYNAMIC_METHOD)
2282 datav = ((MonoMethodWrapper *)method)->method_data;
2286 /* Create the method from the builder and place it in the cache */
2288 mono_mb_create_and_cache (GHashTable *cache, gpointer key,
2289 MonoMethodBuilder *mb, MonoMethodSignature *sig,
2294 mono_marshal_lock ();
2295 res = g_hash_table_lookup (cache, key);
2296 mono_marshal_unlock ();
2299 newm = mono_mb_create_method (mb, sig, max_stack);
2300 mono_marshal_lock ();
2301 res = g_hash_table_lookup (cache, key);
2304 g_hash_table_insert (cache, key, res);
2305 mono_marshal_method_set_wrapper_data (res, key);
2306 mono_marshal_unlock ();
2308 mono_marshal_unlock ();
2309 mono_free_method (newm);
2317 static inline MonoMethod*
2318 mono_marshal_remoting_find_in_cache (MonoMethod *method, int wrapper_type)
2320 MonoMethod *res = NULL;
2321 MonoRemotingMethods *wrps;
2323 mono_marshal_lock ();
2324 if (method->klass->image->remoting_invoke_cache)
2325 wrps = g_hash_table_lookup (method->klass->image->remoting_invoke_cache, method);
2330 switch (wrapper_type) {
2331 case MONO_WRAPPER_REMOTING_INVOKE: res = wrps->invoke; break;
2332 case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK: res = wrps->invoke_with_check; break;
2333 case MONO_WRAPPER_XDOMAIN_INVOKE: res = wrps->xdomain_invoke; break;
2334 case MONO_WRAPPER_XDOMAIN_DISPATCH: res = wrps->xdomain_dispatch; break;
2338 /* it is important to do the unlock after the load from wrps, since in
2339 * mono_remoting_mb_create_and_cache () we drop the marshal lock to be able
2340 * to take the loader lock and some other thread may set the fields.
2342 mono_marshal_unlock ();
2346 /* Create the method from the builder and place it in the cache */
2347 static inline MonoMethod*
2348 mono_remoting_mb_create_and_cache (MonoMethod *key, MonoMethodBuilder *mb,
2349 MonoMethodSignature *sig, int max_stack)
2351 MonoMethod **res = NULL;
2352 MonoRemotingMethods *wrps;
2353 GHashTable *cache = get_cache (&key->klass->image->remoting_invoke_cache, mono_aligned_addr_hash, NULL);
2355 mono_marshal_lock ();
2356 wrps = g_hash_table_lookup (cache, key);
2358 wrps = g_new0 (MonoRemotingMethods, 1);
2359 g_hash_table_insert (cache, key, wrps);
2362 switch (mb->method->wrapper_type) {
2363 case MONO_WRAPPER_REMOTING_INVOKE: res = &wrps->invoke; break;
2364 case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK: res = &wrps->invoke_with_check; break;
2365 case MONO_WRAPPER_XDOMAIN_INVOKE: res = &wrps->xdomain_invoke; break;
2366 case MONO_WRAPPER_XDOMAIN_DISPATCH: res = &wrps->xdomain_dispatch; break;
2367 default: g_assert_not_reached (); break;
2369 mono_marshal_unlock ();
2373 newm = mono_mb_create_method (mb, sig, max_stack);
2375 mono_marshal_lock ();
2378 mono_marshal_method_set_wrapper_data (*res, key);
2379 mono_marshal_unlock ();
2381 mono_marshal_unlock ();
2382 mono_free_method (newm);
2390 mono_marshal_method_from_wrapper (MonoMethod *wrapper)
2394 if (wrapper->wrapper_type == MONO_WRAPPER_NONE || wrapper->wrapper_type == MONO_WRAPPER_DYNAMIC_METHOD)
2397 res = mono_method_get_wrapper_data (wrapper, 1);
2404 mono_marshal_get_delegate_begin_invoke (MonoMethod *method)
2406 MonoMethodSignature *sig;
2407 MonoMethodBuilder *mb;
2413 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
2414 !strcmp (method->name, "BeginInvoke"));
2416 sig = mono_signature_no_pinvoke (method);
2418 cache = get_cache (&method->klass->image->delegate_begin_invoke_cache,
2419 (GHashFunc)mono_signature_hash,
2420 (GCompareFunc)mono_metadata_signature_equal);
2421 if ((res = mono_marshal_find_in_cache (cache, sig)))
2424 g_assert (sig->hasthis);
2426 name = mono_signature_to_name (sig, "begin_invoke");
2427 mb = mono_mb_new (method->klass, name, MONO_WRAPPER_DELEGATE_BEGIN_INVOKE);
2430 params_var = mono_mb_emit_save_args (mb, sig, FALSE);
2432 mono_mb_emit_ldarg (mb, 0);
2433 mono_mb_emit_ldloc (mb, params_var);
2434 mono_mb_emit_icall (mb, mono_delegate_begin_invoke);
2435 mono_mb_emit_byte (mb, CEE_RET);
2437 res = mono_mb_create_and_cache (cache, sig, mb, sig, sig->param_count + 16);
2443 mono_delegate_end_invoke (MonoDelegate *delegate, gpointer *params)
2445 MonoDomain *domain = mono_domain_get ();
2446 MonoAsyncResult *ares;
2447 MonoMethod *method = NULL;
2448 MonoMethodSignature *sig;
2449 MonoMethodMessage *msg;
2450 MonoObject *res, *exc;
2451 MonoArray *out_args;
2454 g_assert (delegate);
2456 if (!delegate->method_info) {
2457 g_assert (delegate->method);
2458 MONO_OBJECT_SETREF (delegate, method_info, mono_method_get_object (domain, delegate->method, NULL));
2461 if (!delegate->method_info || !delegate->method_info->method)
2462 g_assert_not_reached ();
2464 klass = delegate->object.vtable->klass;
2466 method = mono_class_get_method_from_name (klass, "EndInvoke", -1);
2467 g_assert (method != NULL);
2469 sig = mono_signature_no_pinvoke (method);
2471 msg = mono_method_call_message_new (method, params, NULL, NULL, NULL);
2473 ares = mono_array_get (msg->args, gpointer, sig->param_count - 1);
2475 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."));
2477 if (ares->async_delegate != (MonoObject*)delegate && mono_framework_version () >= 2) {
2478 mono_raise_exception (mono_get_exception_invalid_operation (
2479 "The IAsyncResult object provided does not match this delegate."));
2483 if (delegate->target && mono_object_class (delegate->target) == mono_defaults.transparent_proxy_class) {
2484 MonoTransparentProxy* tp = (MonoTransparentProxy *)delegate->target;
2485 msg = (MonoMethodMessage *)mono_object_new (domain, mono_defaults.mono_method_message_class);
2486 mono_message_init (domain, msg, delegate->method_info, NULL);
2487 msg->call_type = CallType_EndInvoke;
2488 MONO_OBJECT_SETREF (msg, async_result, ares);
2489 res = mono_remoting_invoke ((MonoObject *)tp->rp, msg, &exc, &out_args);
2491 res = mono_thread_pool_finish (ares, &out_args, &exc);
2495 if (((MonoException*)exc)->stack_trace) {
2496 char *strace = mono_string_to_utf8 (((MonoException*)exc)->stack_trace);
2498 tmp = g_strdup_printf ("%s\nException Rethrown at:\n", strace);
2500 MONO_OBJECT_SETREF (((MonoException*)exc), stack_trace, mono_string_new (domain, tmp));
2503 mono_raise_exception ((MonoException*)exc);
2506 mono_method_return_message_restore (method, params, out_args);
2511 mono_mb_emit_restore_result (MonoMethodBuilder *mb, MonoType *return_type)
2513 MonoType *t = mono_type_get_underlying_type (return_type);
2515 if (return_type->byref)
2516 return_type = &mono_defaults.int_class->byval_arg;
2519 case MONO_TYPE_VOID:
2520 g_assert_not_reached ();
2523 case MONO_TYPE_STRING:
2524 case MONO_TYPE_CLASS:
2525 case MONO_TYPE_OBJECT:
2526 case MONO_TYPE_ARRAY:
2527 case MONO_TYPE_SZARRAY:
2531 case MONO_TYPE_BOOLEAN:
2534 case MONO_TYPE_CHAR:
2544 mono_mb_emit_op (mb, CEE_UNBOX, mono_class_from_mono_type (return_type));
2545 mono_mb_emit_byte (mb, mono_type_to_ldind (return_type));
2547 case MONO_TYPE_GENERICINST:
2548 if (!mono_type_generic_inst_is_valuetype (return_type))
2551 case MONO_TYPE_VALUETYPE: {
2552 MonoClass *klass = mono_class_from_mono_type (return_type);
2553 mono_mb_emit_op (mb, CEE_UNBOX, klass);
2554 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
2558 g_warning ("type 0x%x not handled", return_type->type);
2559 g_assert_not_reached ();
2562 mono_mb_emit_byte (mb, CEE_RET);
2566 mono_marshal_get_delegate_end_invoke (MonoMethod *method)
2568 MonoMethodSignature *sig;
2569 MonoMethodBuilder *mb;
2575 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
2576 !strcmp (method->name, "EndInvoke"));
2578 sig = mono_signature_no_pinvoke (method);
2580 cache = get_cache (&method->klass->image->delegate_end_invoke_cache,
2581 (GHashFunc)mono_signature_hash,
2582 (GCompareFunc)mono_metadata_signature_equal);
2583 if ((res = mono_marshal_find_in_cache (cache, sig)))
2586 g_assert (sig->hasthis);
2588 name = mono_signature_to_name (sig, "end_invoke");
2589 mb = mono_mb_new (method->klass, name, MONO_WRAPPER_DELEGATE_END_INVOKE);
2592 params_var = mono_mb_emit_save_args (mb, sig, FALSE);
2594 mono_mb_emit_ldarg (mb, 0);
2595 mono_mb_emit_ldloc (mb, params_var);
2596 mono_mb_emit_icall (mb, mono_delegate_end_invoke);
2598 if (sig->ret->type == MONO_TYPE_VOID) {
2599 mono_mb_emit_byte (mb, CEE_POP);
2600 mono_mb_emit_byte (mb, CEE_RET);
2602 mono_mb_emit_restore_result (mb, sig->ret);
2604 res = mono_mb_create_and_cache (cache, sig,
2605 mb, sig, sig->param_count + 16);
2612 mono_remoting_wrapper (MonoMethod *method, gpointer *params)
2614 MonoMethodMessage *msg;
2615 MonoTransparentProxy *this;
2616 MonoObject *res, *exc;
2617 MonoArray *out_args;
2619 this = *((MonoTransparentProxy **)params [0]);
2622 g_assert (((MonoObject *)this)->vtable->klass == mono_defaults.transparent_proxy_class);
2624 /* skip the this pointer */
2627 if (this->remote_class->proxy_class->contextbound && this->rp->context == (MonoObject *) mono_context_get ())
2630 MonoMethodSignature *sig = mono_method_signature (method);
2631 int count = sig->param_count;
2632 gpointer* mparams = (gpointer*) alloca(count*sizeof(gpointer));
2634 for (i=0; i<count; i++) {
2635 MonoClass *class = mono_class_from_mono_type (sig->params [i]);
2636 if (class->valuetype) {
2637 if (sig->params [i]->byref) {
2638 mparams[i] = *((gpointer *)params [i]);
2640 /* runtime_invoke expects a boxed instance */
2641 if (mono_class_is_nullable (mono_class_from_mono_type (sig->params [i])))
2642 mparams[i] = mono_nullable_box (params [i], class);
2644 mparams[i] = params [i];
2647 mparams[i] = *((gpointer**)params [i]);
2651 return mono_runtime_invoke (method, method->klass->valuetype? mono_object_unbox ((MonoObject*)this): this, mparams, NULL);
2654 msg = mono_method_call_message_new (method, params, NULL, NULL, NULL);
2656 res = mono_remoting_invoke ((MonoObject *)this->rp, msg, &exc, &out_args);
2659 mono_raise_exception ((MonoException *)exc);
2661 mono_method_return_message_restore (method, params, out_args);
2667 mono_marshal_get_remoting_invoke (MonoMethod *method)
2669 MonoMethodSignature *sig;
2670 MonoMethodBuilder *mb;
2676 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE || method->wrapper_type == MONO_WRAPPER_XDOMAIN_INVOKE)
2679 /* this seems to be the best plase to put this, as all remoting invokes seem to get filtered through here */
2680 if ((method->klass->is_com_object || method->klass == mono_defaults.com_object_class) && !mono_class_vtable (mono_domain_get (), method->klass)->remote) {
2682 return mono_cominterop_get_invoke (method);
2684 g_assert_not_reached ();
2688 sig = mono_signature_no_pinvoke (method);
2690 /* we cant remote methods without this pointer */
2694 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_REMOTING_INVOKE)))
2697 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_REMOTING_INVOKE);
2698 mb->method->save_lmf = 1;
2700 params_var = mono_mb_emit_save_args (mb, sig, TRUE);
2702 mono_mb_emit_ptr (mb, method);
2703 mono_mb_emit_ldloc (mb, params_var);
2704 mono_mb_emit_icall (mb, mono_remoting_wrapper);
2705 emit_thread_interrupt_checkpoint (mb);
2707 if (sig->ret->type == MONO_TYPE_VOID) {
2708 mono_mb_emit_byte (mb, CEE_POP);
2709 mono_mb_emit_byte (mb, CEE_RET);
2711 mono_mb_emit_restore_result (mb, sig->ret);
2714 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16);
2720 /* mono_get_xdomain_marshal_type()
2721 * Returns the kind of marshalling that a type needs for cross domain calls.
2723 static MonoXDomainMarshalType
2724 mono_get_xdomain_marshal_type (MonoType *t)
2727 case MONO_TYPE_VOID:
2728 g_assert_not_reached ();
2732 case MONO_TYPE_BOOLEAN:
2735 case MONO_TYPE_CHAR:
2742 return MONO_MARSHAL_NONE;
2743 case MONO_TYPE_STRING:
2744 return MONO_MARSHAL_COPY;
2745 case MONO_TYPE_ARRAY:
2746 case MONO_TYPE_SZARRAY: {
2747 MonoClass *elem_class = mono_class_from_mono_type (t)->element_class;
2748 if (mono_get_xdomain_marshal_type (&(elem_class->byval_arg)) != MONO_MARSHAL_SERIALIZE)
2749 return MONO_MARSHAL_COPY;
2754 return MONO_MARSHAL_SERIALIZE;
2758 /* mono_marshal_xdomain_copy_value
2759 * Makes a copy of "val" suitable for the current domain.
2762 mono_marshal_xdomain_copy_value (MonoObject *val)
2765 if (val == NULL) return NULL;
2767 domain = mono_domain_get ();
2769 switch (mono_object_class (val)->byval_arg.type) {
2770 case MONO_TYPE_VOID:
2771 g_assert_not_reached ();
2775 case MONO_TYPE_BOOLEAN:
2778 case MONO_TYPE_CHAR:
2784 case MONO_TYPE_R8: {
2785 return mono_value_box (domain, mono_object_class (val), ((char*)val) + sizeof(MonoObject));
2787 case MONO_TYPE_STRING: {
2788 MonoString *str = (MonoString *) val;
2789 return (MonoObject *) mono_string_new_utf16 (domain, mono_string_chars (str), mono_string_length (str));
2791 case MONO_TYPE_ARRAY:
2792 case MONO_TYPE_SZARRAY: {
2794 MonoXDomainMarshalType mt = mono_get_xdomain_marshal_type (&(mono_object_class (val)->element_class->byval_arg));
2795 if (mt == MONO_MARSHAL_SERIALIZE) return NULL;
2796 acopy = mono_array_clone_in_domain (domain, (MonoArray *) val);
2797 if (mt == MONO_MARSHAL_COPY) {
2798 int i, len = mono_array_length (acopy);
2799 for (i = 0; i < len; i++) {
2800 MonoObject *item = mono_array_get (acopy, gpointer, i);
2801 mono_array_setref (acopy, i, mono_marshal_xdomain_copy_value (item));
2804 return (MonoObject *) acopy;
2808 if (mono_object_class (val) == mono_defaults.stringbuilder_class) {
2809 MonoStringBuilder *oldsb = (MonoStringBuilder *) val;
2810 MonoStringBuilder *newsb = (MonoStringBuilder *) mono_object_new (domain, mono_defaults.stringbuilder_class);
2811 MONO_OBJECT_SETREF (newsb, str, mono_string_new_utf16 (domain, mono_string_chars (oldsb->str), mono_string_length (oldsb->str)));
2812 newsb->length = oldsb->length;
2813 newsb->max_capacity = (gint32)0x7fffffff;
2814 return (MonoObject *) newsb;
2819 /* mono_marshal_xdomain_copy_out_value()
2820 * Copies the contents of the src instance into the dst instance. src and dst
2821 * must have the same type, and if they are arrays, the same size.
2824 mono_marshal_xdomain_copy_out_value (MonoObject *src, MonoObject *dst)
2826 if (src == NULL || dst == NULL) return;
2828 g_assert (mono_object_class (src) == mono_object_class (dst));
2830 switch (mono_object_class (src)->byval_arg.type) {
2831 case MONO_TYPE_ARRAY:
2832 case MONO_TYPE_SZARRAY: {
2833 int mt = mono_get_xdomain_marshal_type (&(mono_object_class (src)->element_class->byval_arg));
2834 if (mt == MONO_MARSHAL_SERIALIZE) return;
2835 if (mt == MONO_MARSHAL_COPY) {
2836 int i, len = mono_array_length ((MonoArray *)dst);
2837 for (i = 0; i < len; i++) {
2838 MonoObject *item = mono_array_get ((MonoArray *)src, gpointer, i);
2839 mono_array_setref ((MonoArray *)dst, i, mono_marshal_xdomain_copy_value (item));
2842 mono_array_full_copy ((MonoArray *)src, (MonoArray *)dst);
2848 if (mono_object_class (src) == mono_defaults.stringbuilder_class) {
2849 MonoStringBuilder *src_sb = (MonoStringBuilder *) src;
2850 MonoStringBuilder *dst_sb = (MonoStringBuilder *) dst;
2852 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)));
2853 dst_sb->cached_str = NULL;
2854 dst_sb->length = src_sb->length;
2859 mono_marshal_emit_xdomain_copy_value (MonoMethodBuilder *mb, MonoClass *pclass)
2861 mono_mb_emit_icall (mb, mono_marshal_xdomain_copy_value);
2862 mono_mb_emit_op (mb, CEE_CASTCLASS, pclass);
2866 mono_marshal_emit_xdomain_copy_out_value (MonoMethodBuilder *mb, MonoClass *pclass)
2868 mono_mb_emit_icall (mb, mono_marshal_xdomain_copy_out_value);
2871 /* mono_marshal_supports_fast_xdomain()
2872 * Returns TRUE if the method can use the fast xdomain wrapper.
2875 mono_marshal_supports_fast_xdomain (MonoMethod *method)
2877 return !method->klass->contextbound &&
2878 !((method->flags & METHOD_ATTRIBUTE_SPECIAL_NAME) && (strcmp (".ctor", method->name) == 0));
2882 mono_marshal_set_domain_by_id (gint32 id, MonoBoolean push)
2884 MonoDomain *current_domain = mono_domain_get ();
2885 MonoDomain *domain = mono_domain_get_by_id (id);
2887 if (!domain || !mono_domain_set (domain, FALSE))
2888 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
2891 mono_thread_push_appdomain_ref (domain);
2893 mono_thread_pop_appdomain_ref ();
2895 return current_domain->domain_id;
2899 mono_marshal_emit_switch_domain (MonoMethodBuilder *mb)
2901 mono_mb_emit_icall (mb, mono_marshal_set_domain_by_id);
2904 /* mono_marshal_emit_load_domain_method ()
2905 * Loads into the stack a pointer to the code of the provided method for
2906 * the current domain.
2909 mono_marshal_emit_load_domain_method (MonoMethodBuilder *mb, MonoMethod *method)
2911 /* We need a pointer to the method for the running domain (not the domain
2912 * that compiles the method).
2914 mono_mb_emit_ptr (mb, method);
2915 mono_mb_emit_icall (mb, mono_compile_method);
2918 /* mono_marshal_check_domain_image ()
2919 * Returns TRUE if the image is loaded in the specified
2920 * application domain.
2923 mono_marshal_check_domain_image (gint32 domain_id, MonoImage *image)
2928 MonoDomain *domain = mono_domain_get_by_id (domain_id);
2932 mono_domain_assemblies_lock (domain);
2933 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
2935 if (ass->image == image)
2938 mono_domain_assemblies_unlock (domain);
2943 /* mono_marshal_get_xappdomain_dispatch ()
2944 * Generates a method that dispatches a method call from another domain into
2945 * the current domain.
2948 mono_marshal_get_xappdomain_dispatch (MonoMethod *method, int *marshal_types, int complex_count, int complex_out_count, int ret_marshal_type)
2950 MonoMethodSignature *sig, *csig;
2951 MonoMethodBuilder *mb;
2953 int i, j, param_index, copy_locals_base;
2954 MonoClass *ret_class = NULL;
2955 int loc_array=0, loc_return=0, loc_serialized_exc=0;
2956 MonoExceptionClause *main_clause;
2958 gboolean copy_return;
2960 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_XDOMAIN_DISPATCH)))
2963 sig = mono_method_signature (method);
2964 copy_return = (sig->ret->type != MONO_TYPE_VOID && ret_marshal_type != MONO_MARSHAL_SERIALIZE);
2967 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3 + sig->param_count - complex_count);
2968 csig->params [j++] = &mono_defaults.object_class->byval_arg;
2969 csig->params [j++] = &byte_array_class->this_arg;
2970 csig->params [j++] = &byte_array_class->this_arg;
2971 for (i = 0; i < sig->param_count; i++) {
2972 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE)
2973 csig->params [j++] = sig->params [i];
2976 csig->ret = sig->ret;
2978 csig->ret = &mono_defaults.void_class->byval_arg;
2980 csig->hasthis = FALSE;
2982 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_XDOMAIN_DISPATCH);
2983 mb->method->save_lmf = 1;
2987 loc_serialized_exc = mono_mb_add_local (mb, &byte_array_class->byval_arg);
2988 if (complex_count > 0)
2989 loc_array = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
2990 if (sig->ret->type != MONO_TYPE_VOID) {
2991 loc_return = mono_mb_add_local (mb, sig->ret);
2992 ret_class = mono_class_from_mono_type (sig->ret);
2997 main_clause = mono_image_alloc0 (method->klass->image, sizeof (MonoExceptionClause));
2998 main_clause->try_offset = mono_mb_get_label (mb);
3000 /* Clean the call context */
3002 mono_mb_emit_byte (mb, CEE_LDNULL);
3003 mono_mb_emit_managed_call (mb, method_set_call_context, NULL);
3004 mono_mb_emit_byte (mb, CEE_POP);
3006 /* Deserialize call data */
3008 mono_mb_emit_ldarg (mb, 1);
3009 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3010 mono_mb_emit_byte (mb, CEE_DUP);
3011 pos = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
3013 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
3014 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
3016 if (complex_count > 0)
3017 mono_mb_emit_stloc (mb, loc_array);
3019 mono_mb_emit_byte (mb, CEE_POP);
3021 mono_mb_patch_short_branch (mb, pos);
3023 /* Get the target object */
3025 mono_mb_emit_ldarg (mb, 0);
3026 mono_mb_emit_managed_call (mb, method_rs_appdomain_target, NULL);
3028 /* Load the arguments */
3030 copy_locals_base = mb->locals;
3031 param_index = 3; // Index of the first non-serialized parameter of this wrapper
3033 for (i = 0; i < sig->param_count; i++) {
3034 MonoType *pt = sig->params [i];
3035 MonoClass *pclass = mono_class_from_mono_type (pt);
3036 switch (marshal_types [i]) {
3037 case MONO_MARSHAL_SERIALIZE: {
3038 /* take the value from the serialized array */
3039 mono_mb_emit_ldloc (mb, loc_array);
3040 mono_mb_emit_icon (mb, j++);
3042 if (pclass->valuetype) {
3043 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3044 mono_mb_emit_op (mb, CEE_UNBOX, pclass);
3046 mono_mb_emit_op (mb, CEE_LDELEMA, pclass);
3049 if (pclass->valuetype) {
3050 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3051 mono_mb_emit_op (mb, CEE_UNBOX, pclass);
3052 mono_mb_emit_op (mb, CEE_LDOBJ, pclass);
3054 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3055 if (pclass != mono_defaults.object_class) {
3056 mono_mb_emit_op (mb, CEE_CASTCLASS, pclass);
3062 case MONO_MARSHAL_COPY_OUT: {
3063 /* Keep a local copy of the value since we need to copy it back after the call */
3064 int copy_local = mono_mb_add_local (mb, &(pclass->byval_arg));
3065 mono_mb_emit_ldarg (mb, param_index++);
3066 mono_marshal_emit_xdomain_copy_value (mb, pclass);
3067 mono_mb_emit_byte (mb, CEE_DUP);
3068 mono_mb_emit_stloc (mb, copy_local);
3071 case MONO_MARSHAL_COPY: {
3072 mono_mb_emit_ldarg (mb, param_index);
3074 mono_mb_emit_byte (mb, CEE_DUP);
3075 mono_mb_emit_byte (mb, CEE_DUP);
3076 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3077 mono_marshal_emit_xdomain_copy_value (mb, pclass);
3078 mono_mb_emit_byte (mb, CEE_STIND_REF);
3080 mono_marshal_emit_xdomain_copy_value (mb, pclass);
3085 case MONO_MARSHAL_NONE:
3086 mono_mb_emit_ldarg (mb, param_index++);
3091 /* Make the call to the real object */
3093 emit_thread_force_interrupt_checkpoint (mb);
3095 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
3097 if (sig->ret->type != MONO_TYPE_VOID)
3098 mono_mb_emit_stloc (mb, loc_return);
3100 /* copy back MONO_MARSHAL_COPY_OUT parameters */
3104 for (i = 0; i < sig->param_count; i++) {
3105 if (marshal_types [i] == MONO_MARSHAL_SERIALIZE) continue;
3106 if (marshal_types [i] == MONO_MARSHAL_COPY_OUT) {
3107 mono_mb_emit_ldloc (mb, copy_locals_base + (j++));
3108 mono_mb_emit_ldarg (mb, param_index);
3109 mono_marshal_emit_xdomain_copy_out_value (mb, mono_class_from_mono_type (sig->params [i]));
3114 /* Serialize the return values */
3116 if (complex_out_count > 0) {
3117 /* Reset parameters in the array that don't need to be serialized back */
3119 for (i = 0; i < sig->param_count; i++) {
3120 if (marshal_types[i] != MONO_MARSHAL_SERIALIZE) continue;
3121 if (!sig->params [i]->byref) {
3122 mono_mb_emit_ldloc (mb, loc_array);
3123 mono_mb_emit_icon (mb, j);
3124 mono_mb_emit_byte (mb, CEE_LDNULL);
3125 mono_mb_emit_byte (mb, CEE_STELEM_REF);
3130 /* Add the return value to the array */
3132 if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
3133 mono_mb_emit_ldloc (mb, loc_array);
3134 mono_mb_emit_icon (mb, complex_count); /* The array has an additional slot to hold the ret value */
3135 mono_mb_emit_ldloc (mb, loc_return);
3136 if (ret_class->valuetype) {
3137 mono_mb_emit_op (mb, CEE_BOX, ret_class);
3139 mono_mb_emit_byte (mb, CEE_STELEM_REF);
3144 mono_mb_emit_ldarg (mb, 1);
3145 mono_mb_emit_ldloc (mb, loc_array);
3146 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3147 mono_mb_emit_byte (mb, CEE_STIND_REF);
3148 } else if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
3149 mono_mb_emit_ldarg (mb, 1);
3150 mono_mb_emit_ldloc (mb, loc_return);
3151 if (ret_class->valuetype) {
3152 mono_mb_emit_op (mb, CEE_BOX, ret_class);
3154 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3155 mono_mb_emit_byte (mb, CEE_STIND_REF);
3157 mono_mb_emit_ldarg (mb, 1);
3158 mono_mb_emit_byte (mb, CEE_LDNULL);
3159 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3160 mono_mb_emit_byte (mb, CEE_STIND_REF);
3163 mono_mb_emit_ldarg (mb, 2);
3164 mono_mb_emit_byte (mb, CEE_LDNULL);
3165 mono_mb_emit_byte (mb, CEE_STIND_REF);
3166 pos_leave = mono_mb_emit_branch (mb, CEE_LEAVE);
3168 /* Main exception catch */
3169 main_clause->flags = MONO_EXCEPTION_CLAUSE_NONE;
3170 main_clause->try_len = mono_mb_get_pos (mb) - main_clause->try_offset;
3171 main_clause->data.catch_class = mono_defaults.object_class;
3174 main_clause->handler_offset = mono_mb_get_label (mb);
3175 mono_mb_emit_managed_call (mb, method_rs_serialize_exc, NULL);
3176 mono_mb_emit_stloc (mb, loc_serialized_exc);
3177 mono_mb_emit_ldarg (mb, 2);
3178 mono_mb_emit_ldloc (mb, loc_serialized_exc);
3179 mono_mb_emit_byte (mb, CEE_STIND_REF);
3180 mono_mb_emit_branch (mb, CEE_LEAVE);
3181 main_clause->handler_len = mono_mb_get_pos (mb) - main_clause->handler_offset;
3184 mono_mb_patch_branch (mb, pos_leave);
3187 mono_mb_emit_ldloc (mb, loc_return);
3189 mono_mb_emit_byte (mb, CEE_RET);
3191 mono_mb_set_clauses (mb, 1, main_clause);
3193 res = mono_remoting_mb_create_and_cache (method, mb, csig, csig->param_count + 16);
3199 /* mono_marshal_get_xappdomain_invoke ()
3200 * Generates a fast remoting wrapper for cross app domain calls.
3203 mono_marshal_get_xappdomain_invoke (MonoMethod *method)
3205 MonoMethodSignature *sig;
3206 MonoMethodBuilder *mb;
3208 int i, j, complex_count, complex_out_count, copy_locals_base;
3210 MonoClass *ret_class = NULL;
3211 MonoMethod *xdomain_method;
3212 int ret_marshal_type = MONO_MARSHAL_NONE;
3213 int loc_array=0, loc_serialized_data=-1, loc_real_proxy;
3214 int loc_old_domainid, loc_domainid, loc_return=0, loc_serialized_exc=0, loc_context;
3215 int pos, pos_dispatch, pos_noex;
3216 gboolean copy_return = FALSE;
3220 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE || method->wrapper_type == MONO_WRAPPER_XDOMAIN_INVOKE)
3223 /* we cant remote methods without this pointer */
3224 if (!mono_method_signature (method)->hasthis)
3227 if (!mono_marshal_supports_fast_xdomain (method))
3228 return mono_marshal_get_remoting_invoke (method);
3230 mono_remoting_marshal_init ();
3232 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_XDOMAIN_INVOKE)))
3235 sig = mono_signature_no_pinvoke (method);
3237 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_XDOMAIN_INVOKE);
3238 mb->method->save_lmf = 1;
3240 /* Count the number of parameters that need to be serialized */
3242 marshal_types = alloca (sizeof (int) * sig->param_count);
3243 complex_count = complex_out_count = 0;
3244 for (i = 0; i < sig->param_count; i++) {
3245 MonoType *ptype = sig->params[i];
3246 int mt = mono_get_xdomain_marshal_type (ptype);
3248 /* If the [Out] attribute is applied to a parameter that can be internally copied,
3249 * the copy will be made by reusing the original object instance
3251 if ((ptype->attrs & PARAM_ATTRIBUTE_OUT) != 0 && mt == MONO_MARSHAL_COPY && !ptype->byref)
3252 mt = MONO_MARSHAL_COPY_OUT;
3253 else if (mt == MONO_MARSHAL_SERIALIZE) {
3255 if (ptype->byref) complex_out_count++;
3257 marshal_types [i] = mt;
3260 if (sig->ret->type != MONO_TYPE_VOID) {
3261 ret_marshal_type = mono_get_xdomain_marshal_type (sig->ret);
3262 ret_class = mono_class_from_mono_type (sig->ret);
3263 copy_return = ret_marshal_type != MONO_MARSHAL_SERIALIZE;
3268 if (complex_count > 0)
3269 loc_array = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3270 loc_serialized_data = mono_mb_add_local (mb, &byte_array_class->byval_arg);
3271 loc_real_proxy = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3273 loc_return = mono_mb_add_local (mb, sig->ret);
3274 loc_old_domainid = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
3275 loc_domainid = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
3276 loc_serialized_exc = mono_mb_add_local (mb, &byte_array_class->byval_arg);
3277 loc_context = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3279 /* Save thread domain data */
3281 mono_mb_emit_icall (mb, mono_context_get);
3282 mono_mb_emit_byte (mb, CEE_DUP);
3283 mono_mb_emit_stloc (mb, loc_context);
3285 /* If the thread is not running in the default context, it needs to go
3286 * through the whole remoting sink, since the context is going to change
3288 mono_mb_emit_managed_call (mb, method_needs_context_sink, NULL);
3289 pos = mono_mb_emit_short_branch (mb, CEE_BRTRUE_S);
3291 /* Another case in which the fast path can't be used: when the target domain
3292 * has a different image for the same assembly.
3295 /* Get the target domain id */
3297 mono_mb_emit_ldarg (mb, 0);
3298 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
3299 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3300 mono_mb_emit_byte (mb, CEE_DUP);
3301 mono_mb_emit_stloc (mb, loc_real_proxy);
3303 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoRealProxy, target_domain_id));
3304 mono_mb_emit_byte (mb, CEE_LDIND_I4);
3305 mono_mb_emit_stloc (mb, loc_domainid);
3307 /* Check if the target domain has the same image for the required assembly */
3309 mono_mb_emit_ldloc (mb, loc_domainid);
3310 mono_mb_emit_ptr (mb, method->klass->image);
3311 mono_mb_emit_icall (mb, mono_marshal_check_domain_image);
3312 pos_dispatch = mono_mb_emit_short_branch (mb, CEE_BRTRUE_S);
3314 /* Use the whole remoting sink to dispatch this message */
3316 mono_mb_patch_short_branch (mb, pos);
3318 mono_mb_emit_ldarg (mb, 0);
3319 for (i = 0; i < sig->param_count; i++)
3320 mono_mb_emit_ldarg (mb, i + 1);
3322 mono_mb_emit_managed_call (mb, mono_marshal_get_remoting_invoke (method), NULL);
3323 mono_mb_emit_byte (mb, CEE_RET);
3324 mono_mb_patch_short_branch (mb, pos_dispatch);
3326 /* Create the array that will hold the parameters to be serialized */
3328 if (complex_count > 0) {
3329 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 */
3330 mono_mb_emit_op (mb, CEE_NEWARR, mono_defaults.object_class);
3333 for (i = 0; i < sig->param_count; i++) {
3335 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE) continue;
3336 pclass = mono_class_from_mono_type (sig->params[i]);
3337 mono_mb_emit_byte (mb, CEE_DUP);
3338 mono_mb_emit_icon (mb, j);
3339 mono_mb_emit_ldarg (mb, i + 1); /* 0=this */
3340 if (sig->params[i]->byref) {
3341 if (pclass->valuetype)
3342 mono_mb_emit_op (mb, CEE_LDOBJ, pclass);
3344 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3346 if (pclass->valuetype)
3347 mono_mb_emit_op (mb, CEE_BOX, pclass);
3348 mono_mb_emit_byte (mb, CEE_STELEM_REF);
3351 mono_mb_emit_stloc (mb, loc_array);
3353 /* Serialize parameters */
3355 mono_mb_emit_ldloc (mb, loc_array);
3356 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3357 mono_mb_emit_stloc (mb, loc_serialized_data);
3359 mono_mb_emit_byte (mb, CEE_LDNULL);
3360 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3361 mono_mb_emit_stloc (mb, loc_serialized_data);
3366 mono_mb_emit_ldloc (mb, loc_domainid);
3367 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
3368 mono_marshal_emit_switch_domain (mb);
3369 mono_mb_emit_stloc (mb, loc_old_domainid);
3371 /* Load the arguments */
3373 mono_mb_emit_ldloc (mb, loc_real_proxy);
3374 mono_mb_emit_ldloc_addr (mb, loc_serialized_data);
3375 mono_mb_emit_ldloc_addr (mb, loc_serialized_exc);
3377 copy_locals_base = mb->locals;
3378 for (i = 0; i < sig->param_count; i++) {
3379 switch (marshal_types [i]) {
3380 case MONO_MARSHAL_SERIALIZE:
3382 case MONO_MARSHAL_COPY: {
3383 mono_mb_emit_ldarg (mb, i+1);
3384 if (sig->params [i]->byref) {
3385 /* make a local copy of the byref parameter. The real parameter
3386 * will be updated after the xdomain call
3388 MonoClass *pclass = mono_class_from_mono_type (sig->params [i]);
3389 int copy_local = mono_mb_add_local (mb, &(pclass->byval_arg));
3390 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3391 mono_mb_emit_stloc (mb, copy_local);
3392 mono_mb_emit_ldloc_addr (mb, copy_local);
3396 case MONO_MARSHAL_COPY_OUT:
3397 case MONO_MARSHAL_NONE:
3398 mono_mb_emit_ldarg (mb, i+1);
3403 /* Make the call to the invoke wrapper in the target domain */
3405 xdomain_method = mono_marshal_get_xappdomain_dispatch (method, marshal_types, complex_count, complex_out_count, ret_marshal_type);
3406 mono_marshal_emit_load_domain_method (mb, xdomain_method);
3407 mono_mb_emit_calli (mb, mono_method_signature (xdomain_method));
3410 mono_mb_emit_stloc (mb, loc_return);
3414 mono_mb_emit_ldloc (mb, loc_old_domainid);
3415 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
3416 mono_marshal_emit_switch_domain (mb);
3417 mono_mb_emit_byte (mb, CEE_POP);
3419 /* Restore thread domain data */
3421 mono_mb_emit_ldloc (mb, loc_context);
3422 mono_mb_emit_icall (mb, mono_context_set);
3424 /* if (loc_serialized_exc != null) ... */
3426 mono_mb_emit_ldloc (mb, loc_serialized_exc);
3427 pos_noex = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
3429 mono_mb_emit_ldloc (mb, loc_serialized_exc);
3430 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
3431 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
3432 mono_mb_emit_op (mb, CEE_CASTCLASS, mono_defaults.exception_class);
3433 mono_mb_emit_managed_call (mb, method_exc_fixexc, NULL);
3434 mono_mb_emit_byte (mb, CEE_THROW);
3435 mono_mb_patch_short_branch (mb, pos_noex);
3437 /* copy back non-serialized output parameters */
3440 for (i = 0; i < sig->param_count; i++) {
3441 if (!sig->params [i]->byref || marshal_types [i] != MONO_MARSHAL_COPY) continue;
3442 mono_mb_emit_ldarg (mb, i + 1);
3443 mono_mb_emit_ldloc (mb, copy_locals_base + (j++));
3444 mono_marshal_emit_xdomain_copy_value (mb, mono_class_from_mono_type (sig->params [i]));
3445 mono_mb_emit_byte (mb, CEE_STIND_REF);
3448 /* Deserialize out parameters */
3450 if (complex_out_count > 0) {
3451 mono_mb_emit_ldloc (mb, loc_serialized_data);
3452 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
3453 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
3454 mono_mb_emit_stloc (mb, loc_array);
3456 /* Copy back output parameters and return type */
3459 for (i = 0; i < sig->param_count; i++) {
3460 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE) continue;
3461 if (sig->params[i]->byref) {
3462 MonoClass *pclass = mono_class_from_mono_type (sig->params [i]);
3463 mono_mb_emit_ldarg (mb, i + 1);
3464 mono_mb_emit_ldloc (mb, loc_array);
3465 mono_mb_emit_icon (mb, j);
3466 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3467 if (pclass->valuetype) {
3468 mono_mb_emit_op (mb, CEE_UNBOX, pclass);
3469 mono_mb_emit_op (mb, CEE_LDOBJ, pclass);
3470 mono_mb_emit_op (mb, CEE_STOBJ, pclass);
3472 if (pclass != mono_defaults.object_class)
3473 mono_mb_emit_op (mb, CEE_CASTCLASS, pclass);
3474 mono_mb_emit_byte (mb, CEE_STIND_REF);
3480 if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
3481 mono_mb_emit_ldloc (mb, loc_array);
3482 mono_mb_emit_icon (mb, complex_count);
3483 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3484 if (ret_class->valuetype) {
3485 mono_mb_emit_op (mb, CEE_UNBOX, ret_class);
3486 mono_mb_emit_op (mb, CEE_LDOBJ, ret_class);
3489 } else if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
3490 mono_mb_emit_ldloc (mb, loc_serialized_data);
3491 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
3492 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
3493 if (ret_class->valuetype) {
3494 mono_mb_emit_op (mb, CEE_UNBOX, ret_class);
3495 mono_mb_emit_op (mb, CEE_LDOBJ, ret_class);
3496 } else if (ret_class != mono_defaults.object_class) {
3497 mono_mb_emit_op (mb, CEE_CASTCLASS, ret_class);
3500 mono_mb_emit_ldloc (mb, loc_serialized_data);
3501 mono_mb_emit_byte (mb, CEE_DUP);
3502 pos = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
3503 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
3505 mono_mb_patch_short_branch (mb, pos);
3506 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
3507 mono_mb_emit_byte (mb, CEE_POP);
3511 mono_mb_emit_ldloc (mb, loc_return);
3512 if (ret_marshal_type == MONO_MARSHAL_COPY)
3513 mono_marshal_emit_xdomain_copy_value (mb, ret_class);
3516 mono_mb_emit_byte (mb, CEE_RET);
3518 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16);
3525 mono_marshal_get_remoting_invoke_for_target (MonoMethod *method, MonoRemotingTarget target_type)
3527 if (target_type == MONO_REMOTING_TARGET_APPDOMAIN) {
3528 return mono_marshal_get_xappdomain_invoke (method);
3529 } else if (target_type == MONO_REMOTING_TARGET_COMINTEROP) {
3531 return mono_cominterop_get_invoke (method);
3533 g_assert_not_reached ();
3536 return mono_marshal_get_remoting_invoke (method);
3542 G_GNUC_UNUSED static gpointer
3543 mono_marshal_load_remoting_wrapper (MonoRealProxy *rp, MonoMethod *method)
3545 if (rp->target_domain_id != -1)
3546 return mono_compile_method (mono_marshal_get_xappdomain_invoke (method));
3548 return mono_compile_method (mono_marshal_get_remoting_invoke (method));
3552 mono_marshal_get_remoting_invoke_with_check (MonoMethod *method)
3554 MonoMethodSignature *sig;
3555 MonoMethodBuilder *mb;
3556 MonoMethod *res, *native;
3557 int i, pos, pos_rem;
3561 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK)
3564 /* we cant remote methods without this pointer */
3565 g_assert (mono_method_signature (method)->hasthis);
3567 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK)))
3570 sig = mono_signature_no_pinvoke (method);
3572 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK);
3574 for (i = 0; i <= sig->param_count; i++)
3575 mono_mb_emit_ldarg (mb, i);
3577 mono_mb_emit_ldarg (mb, 0);
3578 pos = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
3580 if (mono_marshal_supports_fast_xdomain (method)) {
3581 mono_mb_emit_ldarg (mb, 0);
3582 pos_rem = mono_mb_emit_xdomain_check (mb, CEE_BEQ);
3584 /* wrapper for cross app domain calls */
3585 native = mono_marshal_get_xappdomain_invoke (method);
3586 mono_mb_emit_managed_call (mb, native, mono_method_signature (native));
3587 mono_mb_emit_byte (mb, CEE_RET);
3589 mono_mb_patch_branch (mb, pos_rem);
3591 /* wrapper for normal remote calls */
3592 native = mono_marshal_get_remoting_invoke (method);
3593 mono_mb_emit_managed_call (mb, native, mono_method_signature (native));
3594 mono_mb_emit_byte (mb, CEE_RET);
3597 mono_mb_patch_branch (mb, pos);
3598 mono_mb_emit_managed_call (mb, method, mono_method_signature (method));
3599 mono_mb_emit_byte (mb, CEE_RET);
3601 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16);
3609 MonoMethodSignature *sig;
3611 } SignatureMethodPair;
3614 signature_method_pair_hash (gconstpointer data)
3616 SignatureMethodPair *pair = (SignatureMethodPair*)data;
3618 return mono_signature_hash (pair->sig) ^ mono_aligned_addr_hash (pair->method);
3622 signature_method_pair_equal (SignatureMethodPair *pair1, SignatureMethodPair *pair2)
3624 return mono_metadata_signature_equal (pair1->sig, pair2->sig) && (pair1->method == pair2->method);
3628 free_signature_method_pair (SignatureMethodPair *pair)
3634 * the returned method invokes all methods in a multicast delegate.
3637 mono_marshal_get_delegate_invoke (MonoMethod *method, MonoDelegate *del)
3639 MonoMethodSignature *sig, *static_sig;
3641 MonoMethodBuilder *mb;
3642 MonoMethod *res, *newm;
3644 SignatureMethodPair key;
3645 SignatureMethodPair *new_key;
3646 int local_prev, local_target;
3649 MonoMethod *target_method = NULL;
3650 MonoClass *target_class = NULL;
3651 gboolean callvirt = FALSE;
3654 * If the delegate target is null, and the target method is not static, a virtual
3655 * call is made to that method with the first delegate argument as this. This is
3656 * a non-documented .NET feature.
3658 if (del && !del->target && del->method && mono_method_signature (del->method)->hasthis) {
3660 target_method = del->method;
3661 if (target_method->is_inflated) {
3662 MonoType *target_type;
3664 g_assert (method->signature->hasthis);
3665 target_type = mono_class_inflate_generic_type (method->signature->params [0],
3666 mono_method_get_context (method));
3667 target_class = mono_class_from_mono_type (target_type);
3669 target_class = del->method->klass;
3673 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
3674 !strcmp (method->name, "Invoke"));
3676 sig = mono_signature_no_pinvoke (method);
3679 /* We need to cache the signature+method pair */
3680 mono_marshal_lock ();
3681 if (!method->klass->image->delegate_abstract_invoke_cache)
3682 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);
3683 cache = method->klass->image->delegate_abstract_invoke_cache;
3685 key.method = target_method;
3686 res = g_hash_table_lookup (cache, &key);
3687 mono_marshal_unlock ();
3691 cache = get_cache (&method->klass->image->delegate_invoke_cache,
3692 (GHashFunc)mono_signature_hash,
3693 (GCompareFunc)mono_metadata_signature_equal);
3694 if ((res = mono_marshal_find_in_cache (cache, sig)))
3698 static_sig = signature_dup (method->klass->image, sig);
3699 static_sig->hasthis = 0;
3701 name = mono_signature_to_name (sig, "invoke");
3702 mb = mono_mb_new (method->klass, name, MONO_WRAPPER_DELEGATE_INVOKE);
3705 /* allocate local 0 (object) */
3706 local_target = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3707 local_prev = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3709 g_assert (sig->hasthis);
3713 * prev.Invoke( args .. );
3714 * return this.<target>( args .. );
3717 /* this wrapper can be used in unmanaged-managed transitions */
3718 emit_thread_interrupt_checkpoint (mb);
3720 /* get this->prev */
3721 mono_mb_emit_ldarg (mb, 0);
3722 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoMulticastDelegate, prev));
3723 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3724 mono_mb_emit_stloc (mb, local_prev);
3725 mono_mb_emit_ldloc (mb, local_prev);
3727 /* if prev != null */
3728 pos0 = mono_mb_emit_branch (mb, CEE_BRFALSE);
3732 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3733 mono_mb_emit_byte (mb, CEE_MONO_NOT_TAKEN);
3735 mono_mb_emit_ldloc (mb, local_prev);
3736 for (i = 0; i < sig->param_count; i++)
3737 mono_mb_emit_ldarg (mb, i + 1);
3738 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
3739 if (sig->ret->type != MONO_TYPE_VOID)
3740 mono_mb_emit_byte (mb, CEE_POP);
3742 /* continued or prev == null */
3743 mono_mb_patch_branch (mb, pos0);
3745 /* get this->target */
3746 mono_mb_emit_ldarg (mb, 0);
3747 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, target));
3748 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3749 mono_mb_emit_stloc (mb, local_target);
3751 /* if target != null */
3752 mono_mb_emit_ldloc (mb, local_target);
3753 pos0 = mono_mb_emit_branch (mb, CEE_BRFALSE);
3755 /* then call this->method_ptr nonstatic */
3758 mono_mb_emit_exception_full (mb, "System", "NotImplementedException", "");
3760 mono_mb_emit_ldloc (mb, local_target);
3761 for (i = 0; i < sig->param_count; ++i)
3762 mono_mb_emit_ldarg (mb, i + 1);
3763 mono_mb_emit_ldarg (mb, 0);
3764 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, method_ptr));
3765 mono_mb_emit_byte (mb, CEE_LDIND_I );
3766 mono_mb_emit_op (mb, CEE_CALLI, sig);
3768 mono_mb_emit_byte (mb, CEE_RET);
3771 /* else [target == null] call this->method_ptr static */
3772 mono_mb_patch_branch (mb, pos0);
3775 mono_mb_emit_ldarg (mb, 1);
3776 mono_mb_emit_op (mb, CEE_CASTCLASS, target_class);
3777 for (i = 1; i < sig->param_count; ++i)
3778 mono_mb_emit_ldarg (mb, i + 1);
3779 mono_mb_emit_op (mb, CEE_CALLVIRT, target_method);
3781 for (i = 0; i < sig->param_count; ++i)
3782 mono_mb_emit_ldarg (mb, i + 1);
3783 mono_mb_emit_ldarg (mb, 0);
3784 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, method_ptr));
3785 mono_mb_emit_byte (mb, CEE_LDIND_I );
3786 mono_mb_emit_op (mb, CEE_CALLI, static_sig);
3789 mono_mb_emit_byte (mb, CEE_RET);
3792 // From mono_mb_create_and_cache
3793 mb->skip_visibility = 1;
3794 newm = mono_mb_create_method (mb, sig, sig->param_count + 16);
3795 /*We perform double checked locking, so must fence before publishing*/
3796 mono_memory_barrier ();
3797 mono_marshal_lock ();
3798 res = g_hash_table_lookup (cache, &key);
3801 new_key = g_new0 (SignatureMethodPair, 1);
3803 new_key->method = target_method;
3804 g_hash_table_insert (cache, new_key, res);
3805 mono_marshal_method_set_wrapper_data (res, new_key);
3806 mono_marshal_unlock ();
3808 mono_marshal_unlock ();
3809 mono_free_method (newm);
3812 mb->skip_visibility = 1;
3813 res = mono_mb_create_and_cache (cache, sig, mb, sig, sig->param_count + 16);
3821 * signature_dup_add_this:
3823 * Make a copy of @sig, adding an explicit this argument.
3825 static MonoMethodSignature*
3826 signature_dup_add_this (MonoMethodSignature *sig, MonoClass *klass)
3828 MonoMethodSignature *res;
3831 res = mono_metadata_signature_alloc (klass->image, sig->param_count + 1);
3832 memcpy (res, sig, MONO_SIZEOF_METHOD_SIGNATURE);
3833 res->param_count = sig->param_count + 1;
3834 res->hasthis = FALSE;
3835 for (i = sig->param_count - 1; i >= 0; i --)
3836 res->params [i + 1] = sig->params [i];
3837 res->params [0] = &mono_ptr_class_get (&klass->byval_arg)->byval_arg;
3843 MonoMethodSignature *ctor_sig;
3844 MonoMethodSignature *sig;
3847 /* protected by the marshal lock, contains CtorSigPair pointers */
3848 static GSList *strsig_list = NULL;
3850 static MonoMethodSignature *
3851 lookup_string_ctor_signature (MonoMethodSignature *sig)
3853 MonoMethodSignature *callsig;
3857 mono_marshal_lock ();
3859 for (item = strsig_list; item; item = item->next) {
3861 /* mono_metadata_signature_equal () is safe to call with the marshal lock
3862 * because it is lock-free.
3864 if (mono_metadata_signature_equal (sig, cs->ctor_sig)) {
3869 mono_marshal_unlock ();
3873 static MonoMethodSignature *
3874 add_string_ctor_signature (MonoMethod *method)
3876 MonoMethodSignature *callsig;
3879 callsig = signature_dup (method->klass->image, mono_method_signature (method));
3880 callsig->ret = &mono_defaults.string_class->byval_arg;
3881 cs = g_new (CtorSigPair, 1);
3883 cs->ctor_sig = mono_method_signature (method);
3885 mono_marshal_lock ();
3886 strsig_list = g_slist_prepend (strsig_list, cs);
3887 mono_marshal_unlock ();
3892 get_runtime_invoke_type (MonoType *t, gboolean ret)
3895 if (t->type == MONO_TYPE_GENERICINST)
3898 return &mono_defaults.int_class->byval_arg;
3901 if (MONO_TYPE_IS_REFERENCE (t))
3902 return &mono_defaults.object_class->byval_arg;
3905 /* The result needs to be boxed */
3911 return &mono_defaults.sbyte_class->byval_arg;
3913 return &mono_defaults.int16_class->byval_arg;
3915 return &mono_defaults.int32_class->byval_arg;
3917 return &mono_defaults.int64_class->byval_arg;
3918 case MONO_TYPE_BOOLEAN:
3919 return &mono_defaults.sbyte_class->byval_arg;
3920 case MONO_TYPE_CHAR:
3921 return &mono_defaults.int16_class->byval_arg;
3924 return &mono_defaults.int_class->byval_arg;
3925 case MONO_TYPE_VALUETYPE:
3926 if (t->data.klass->enumtype) {
3927 t = mono_class_enum_basetype (t->data.klass);
3937 * mono_marshal_get_runtime_invoke_sig:
3939 * Return a common signature used for sharing runtime invoke wrappers.
3941 static MonoMethodSignature*
3942 mono_marshal_get_runtime_invoke_sig (MonoMethodSignature *sig)
3944 MonoMethodSignature *res = mono_metadata_signature_dup (sig);
3947 res->ret = get_runtime_invoke_type (sig->ret, TRUE);
3948 for (i = 0; i < res->param_count; ++i)
3949 res->params [i] = get_runtime_invoke_type (sig->params [i], FALSE);
3955 runtime_invoke_signature_equal (MonoMethodSignature *sig1, MonoMethodSignature *sig2)
3957 /* Can't share wrappers which return a vtype since it needs to be boxed */
3958 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))
3961 return mono_metadata_signature_equal (sig1, sig2);
3965 * get_wrapper_target_class:
3967 * Return the class where a wrapper method should be placed.
3970 get_wrapper_target_class (MonoImage *image)
3976 * - can't put all wrappers into an mscorlib class, because they reference
3977 * metadata (signature) so they should be put into the same image as the
3978 * method they wrap, so they are unloaded together.
3979 * - putting them into a class with a type initalizer could cause the
3980 * initializer to be executed which can be a problem if the wrappers are
3982 * - putting them into an inflated class can cause problems if the the
3983 * class is deleted because it references an image which is unloaded.
3984 * To avoid these problems, we put the wrappers into the <Module> class of
3988 klass = ((MonoDynamicImage*)image)->wrappers_type;
3990 klass = mono_class_get (image, mono_metadata_make_token (MONO_TABLE_TYPEDEF, 1));
3997 runtime_invoke_reset_abort (MonoException *ex)
3999 if (ex->object.vtable->klass == mono_defaults.threadabortexception_class)
4000 ves_icall_System_Threading_Thread_ResetAbort ();
4004 * generates IL code for the runtime invoke function
4005 * MonoObject *runtime_invoke (MonoObject *this, void **params, MonoObject **exc, void* method)
4007 * we also catch exceptions if exc != null
4008 * If VIRTUAL is TRUE, then METHOD is invoked virtually on THIS. This is useful since
4009 * it means that the compiled code for METHOD does not have to be looked up
4010 * before calling the runtime invoke wrapper. In this case, the wrapper ignores
4011 * its METHOD argument.
4014 mono_marshal_get_runtime_invoke (MonoMethod *method, gboolean virtual)
4016 MonoMethodSignature *sig, *csig, *callsig;
4017 MonoExceptionClause *clause;
4018 MonoMethodBuilder *mb;
4019 GHashTable *cache = NULL;
4020 MonoClass *target_klass;
4021 MonoMethod *res = NULL;
4022 static MonoString *string_dummy = NULL;
4023 static MonoMethodSignature *cctor_signature = NULL;
4024 static MonoMethodSignature *finalize_signature = NULL;
4027 gboolean need_direct_wrapper = FALSE;
4028 int *tmp_nullable_locals;
4032 if (!cctor_signature) {
4033 cctor_signature = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
4034 cctor_signature->ret = &mono_defaults.void_class->byval_arg;
4036 if (!finalize_signature) {
4037 finalize_signature = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
4038 finalize_signature->ret = &mono_defaults.void_class->byval_arg;
4039 finalize_signature->hasthis = 1;
4043 need_direct_wrapper = TRUE;
4046 * Use a separate cache indexed by methods to speed things up and to avoid the
4047 * boundless mempool growth caused by the signature_dup stuff below.
4050 cache = get_cache (&method->klass->image->runtime_invoke_vcall_cache, mono_aligned_addr_hash, NULL);
4052 cache = get_cache (&method->klass->image->runtime_invoke_direct_cache, mono_aligned_addr_hash, NULL);
4053 res = mono_marshal_find_in_cache (cache, method);
4057 if (method->klass->rank && (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
4058 (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)) {
4060 * Array Get/Set/Address methods. The JIT implements them using inline code
4061 * so we need to create an invoke wrapper which calls the method directly.
4063 need_direct_wrapper = TRUE;
4066 if (method->string_ctor) {
4067 callsig = lookup_string_ctor_signature (mono_method_signature (method));
4069 callsig = add_string_ctor_signature (method);
4070 /* Can't share this as we push a string as this */
4071 need_direct_wrapper = TRUE;
4073 if (method->klass->valuetype && mono_method_signature (method)->hasthis) {
4075 * Valuetype methods receive a managed pointer as the this argument.
4076 * Create a new signature to reflect this.
4078 callsig = signature_dup_add_this (mono_method_signature (method), method->klass);
4080 if (method->dynamic)
4081 callsig = signature_dup (method->klass->image, mono_method_signature (method));
4083 callsig = mono_method_signature (method);
4088 /* Vtypes/nullables/Byrefs cause too many problems */
4089 for (i = 0; i < callsig->param_count; ++i) {
4090 if (MONO_TYPE_ISSTRUCT (callsig->params [i]) || callsig->params [i]->byref)
4091 need_direct_wrapper = TRUE;
4096 * We try to share runtime invoke wrappers between different methods but have to
4097 * be careful about methods whose klass has a type cctor, since putting the wrapper
4098 * into that klass would mean that calling a method of klass A might invoke the
4099 * type initializer of class B, or throw an exception if the type initializer
4100 * was called before and failed. See #349621 for an example.
4101 * We avoid that for mscorlib methods by putting every wrapper into the object class.
4103 if (method->klass->image == mono_defaults.corlib)
4104 target_klass = mono_defaults.object_class;
4106 /* Try to share wrappers for non-corlib methods with simple signatures */
4107 if (mono_metadata_signature_equal (callsig, cctor_signature)) {
4108 callsig = cctor_signature;
4109 target_klass = mono_defaults.object_class;
4110 } else if (mono_metadata_signature_equal (callsig, finalize_signature)) {
4111 callsig = finalize_signature;
4112 target_klass = mono_defaults.object_class;
4114 // FIXME: This breaks too many things
4116 if (mono_class_get_cctor (method->klass))
4117 need_direct_wrapper = TRUE;
4120 target_klass = get_wrapper_target_class (method->klass->image);
4124 if (need_direct_wrapper) {
4125 /* Already searched at the start */
4127 callsig = mono_marshal_get_runtime_invoke_sig (callsig);
4129 cache = get_cache (&target_klass->image->runtime_invoke_cache,
4130 (GHashFunc)mono_signature_hash,
4131 (GCompareFunc)runtime_invoke_signature_equal);
4133 /* from mono_marshal_find_in_cache */
4134 mono_marshal_lock ();
4135 res = g_hash_table_lookup (cache, callsig);
4136 mono_marshal_unlock ();
4143 // FIXME: When to free callsig ?
4146 /* to make it work with our special string constructors */
4147 if (!string_dummy) {
4148 MONO_GC_REGISTER_ROOT (string_dummy);
4149 string_dummy = mono_string_new_wrapper ("dummy");
4152 sig = mono_method_signature (method);
4154 csig = mono_metadata_signature_alloc (target_klass->image, 4);
4156 csig->ret = &mono_defaults.object_class->byval_arg;
4157 if (method->klass->valuetype && mono_method_signature (method)->hasthis)
4158 csig->params [0] = callsig->params [0];
4160 csig->params [0] = &mono_defaults.object_class->byval_arg;
4161 csig->params [1] = &mono_defaults.int_class->byval_arg;
4162 csig->params [2] = &mono_defaults.int_class->byval_arg;
4163 csig->params [3] = &mono_defaults.int_class->byval_arg;
4165 name = mono_signature_to_name (callsig, virtual ? "runtime_invoke_virtual" : "runtime_invoke");
4166 mb = mono_mb_new (target_klass, name, MONO_WRAPPER_RUNTIME_INVOKE);
4169 /* allocate local 0 (object) tmp */
4170 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4171 /* allocate local 1 (object) exc */
4172 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4174 /* cond set *exc to null */
4175 mono_mb_emit_byte (mb, CEE_LDARG_2);
4176 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
4177 mono_mb_emit_byte (mb, 3);
4178 mono_mb_emit_byte (mb, CEE_LDARG_2);
4179 mono_mb_emit_byte (mb, CEE_LDNULL);
4180 mono_mb_emit_byte (mb, CEE_STIND_REF);
4182 emit_thread_force_interrupt_checkpoint (mb);
4185 g_assert (sig->hasthis);
4186 g_assert (method->flags & METHOD_ATTRIBUTE_VIRTUAL);
4190 if (method->string_ctor) {
4191 mono_mb_emit_ptr (mb, string_dummy);
4193 mono_mb_emit_ldarg (mb, 0);
4197 tmp_nullable_locals = g_new0 (int, sig->param_count);
4199 for (i = 0; i < sig->param_count; i++) {
4200 MonoType *t = sig->params [i];
4203 mono_mb_emit_ldarg (mb, 1);
4205 mono_mb_emit_icon (mb, sizeof (gpointer) * i);
4206 mono_mb_emit_byte (mb, CEE_ADD);
4210 mono_mb_emit_byte (mb, CEE_LDIND_I);
4211 /* A Nullable<T> type don't have a boxed form, it's either null or a boxed T.
4212 * So to make this work we unbox it to a local variablee and push a reference to that.
4214 if (t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t))) {
4215 tmp_nullable_locals [i] = mono_mb_add_local (mb, &mono_class_from_mono_type (t)->byval_arg);
4217 mono_mb_emit_op (mb, CEE_UNBOX_ANY, mono_class_from_mono_type (t));
4218 mono_mb_emit_stloc (mb, tmp_nullable_locals [i]);
4219 mono_mb_emit_ldloc_addr (mb, tmp_nullable_locals [i]);
4224 type = sig->params [i]->type;
4228 case MONO_TYPE_BOOLEAN:
4232 case MONO_TYPE_CHAR:
4241 mono_mb_emit_byte (mb, CEE_LDIND_I);
4242 mono_mb_emit_byte (mb, mono_type_to_ldind (sig->params [i]));
4244 case MONO_TYPE_STRING:
4245 case MONO_TYPE_CLASS:
4246 case MONO_TYPE_ARRAY:
4248 case MONO_TYPE_SZARRAY:
4249 case MONO_TYPE_OBJECT:
4250 mono_mb_emit_byte (mb, mono_type_to_ldind (sig->params [i]));
4252 case MONO_TYPE_GENERICINST:
4253 if (!mono_type_generic_inst_is_valuetype (sig->params [i])) {
4254 mono_mb_emit_byte (mb, mono_type_to_ldind (sig->params [i]));
4259 case MONO_TYPE_VALUETYPE:
4260 if (type == MONO_TYPE_VALUETYPE && t->data.klass->enumtype) {
4261 type = mono_class_enum_basetype (t->data.klass)->type;
4264 mono_mb_emit_byte (mb, CEE_LDIND_I);
4265 if (mono_class_is_nullable (mono_class_from_mono_type (sig->params [i]))) {
4266 /* Need to convert a boxed vtype to an mp to a Nullable struct */
4267 mono_mb_emit_op (mb, CEE_UNBOX, mono_class_from_mono_type (sig->params [i]));
4268 mono_mb_emit_op (mb, CEE_LDOBJ, mono_class_from_mono_type (sig->params [i]));
4270 mono_mb_emit_op (mb, CEE_LDOBJ, mono_class_from_mono_type (sig->params [i]));
4274 g_assert_not_reached ();
4279 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
4280 } else if (need_direct_wrapper) {
4281 mono_mb_emit_op (mb, CEE_CALL, method);
4283 mono_mb_emit_ldarg (mb, 3);
4284 mono_mb_emit_calli (mb, callsig);
4287 if (sig->ret->byref) {
4289 g_assert_not_reached ();
4292 switch (sig->ret->type) {
4293 case MONO_TYPE_VOID:
4294 if (!method->string_ctor)
4295 mono_mb_emit_byte (mb, CEE_LDNULL);
4297 case MONO_TYPE_BOOLEAN:
4298 case MONO_TYPE_CHAR:
4311 case MONO_TYPE_VALUETYPE:
4312 case MONO_TYPE_TYPEDBYREF:
4313 case MONO_TYPE_GENERICINST:
4314 /* box value types */
4315 mono_mb_emit_op (mb, CEE_BOX, mono_class_from_mono_type (sig->ret));
4317 case MONO_TYPE_STRING:
4318 case MONO_TYPE_CLASS:
4319 case MONO_TYPE_ARRAY:
4320 case MONO_TYPE_SZARRAY:
4321 case MONO_TYPE_OBJECT:
4325 /* The result is an IntPtr */
4326 mono_mb_emit_op (mb, CEE_BOX, mono_defaults.int_class);
4329 g_assert_not_reached ();
4332 mono_mb_emit_stloc (mb, 0);
4334 /* Convert back nullable-byref arguments */
4335 for (i = 0; i < sig->param_count; i++) {
4336 MonoType *t = sig->params [i];
4339 * Box the result and put it back into the array, the caller will have
4340 * to obtain it from there.
4342 if (t->byref && t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t))) {
4343 mono_mb_emit_ldarg (mb, 1);
4344 mono_mb_emit_icon (mb, sizeof (gpointer) * i);
4345 mono_mb_emit_byte (mb, CEE_ADD);
4347 mono_mb_emit_ldloc (mb, tmp_nullable_locals [i]);
4348 mono_mb_emit_op (mb, CEE_BOX, mono_class_from_mono_type (t));
4350 mono_mb_emit_byte (mb, CEE_STIND_REF);
4354 pos = mono_mb_emit_branch (mb, CEE_LEAVE);
4356 clause = mono_image_alloc0 (target_klass->image, sizeof (MonoExceptionClause));
4357 clause->flags = MONO_EXCEPTION_CLAUSE_FILTER;
4358 clause->try_len = mono_mb_get_label (mb);
4361 clause->data.filter_offset = mono_mb_get_label (mb);
4363 mono_mb_emit_byte (mb, CEE_POP);
4364 mono_mb_emit_byte (mb, CEE_LDARG_2);
4365 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
4366 mono_mb_emit_byte (mb, CEE_PREFIX1);
4367 mono_mb_emit_byte (mb, CEE_CGT_UN);
4368 mono_mb_emit_byte (mb, CEE_PREFIX1);
4369 mono_mb_emit_byte (mb, CEE_ENDFILTER);
4371 clause->handler_offset = mono_mb_get_label (mb);
4374 /* store exception */
4375 mono_mb_emit_stloc (mb, 1);
4377 mono_mb_emit_byte (mb, CEE_LDARG_2);
4378 mono_mb_emit_ldloc (mb, 1);
4379 mono_mb_emit_byte (mb, CEE_STIND_REF);
4381 mono_mb_emit_byte (mb, CEE_LDNULL);
4382 mono_mb_emit_stloc (mb, 0);
4384 /* Check and reset abort exception */
4385 /* Done in a separate function to reduce code size */
4386 mono_mb_emit_ldloc (mb, 1);
4387 mono_mb_emit_icall (mb, runtime_invoke_reset_abort);
4389 mono_mb_emit_branch (mb, CEE_LEAVE);
4391 clause->handler_len = mono_mb_get_pos (mb) - clause->handler_offset;
4393 mono_mb_set_clauses (mb, 1, clause);
4396 mono_mb_patch_branch (mb, pos);
4397 mono_mb_emit_ldloc (mb, 0);
4398 mono_mb_emit_byte (mb, CEE_RET);
4400 if (need_direct_wrapper) {
4401 mb->skip_visibility = 1;
4402 res = mono_mb_create_and_cache (cache, method, mb, csig, sig->param_count + 16);
4404 /* taken from mono_mb_create_and_cache */
4405 mono_marshal_lock ();
4406 res = g_hash_table_lookup (cache, callsig);
4407 mono_marshal_unlock ();
4409 /* Somebody may have created it before us */
4412 newm = mono_mb_create_method (mb, csig, sig->param_count + 16);
4414 mono_marshal_lock ();
4415 res = g_hash_table_lookup (cache, callsig);
4418 g_hash_table_insert (cache, callsig, res);
4419 /* Can't insert it into wrapper_hash since the key is a signature */
4420 g_hash_table_insert (method->klass->image->runtime_invoke_direct_cache, method, res);
4422 mono_free_method (newm);
4424 mono_marshal_unlock ();
4427 /* end mono_mb_create_and_cache */
4436 mono_mb_emit_auto_layout_exception (MonoMethodBuilder *mb, MonoClass *klass)
4438 char *msg = g_strdup_printf ("The type `%s.%s' layout needs to be Sequential or Explicit",
4439 klass->name_space, klass->name);
4441 mono_mb_emit_exception_marshal_directive (mb, msg);
4445 * mono_marshal_get_ldfld_remote_wrapper:
4446 * @klass: The return type
4448 * This method generates a wrapper for calling mono_load_remote_field_new.
4449 * The return type is ignored for now, as mono_load_remote_field_new () always
4450 * returns an object. In the future, to optimize some codepaths, we might
4451 * call a different function that takes a pointer to a valuetype, instead.
4454 mono_marshal_get_ldfld_remote_wrapper (MonoClass *klass)
4456 MonoMethodSignature *sig, *csig;
4457 MonoMethodBuilder *mb;
4459 static MonoMethod* cached = NULL;
4461 mono_marshal_lock ();
4463 mono_marshal_unlock ();
4466 mono_marshal_unlock ();
4468 mb = mono_mb_new_no_dup_name (mono_defaults.object_class, "__mono_load_remote_field_new_wrapper", MONO_WRAPPER_LDFLD_REMOTE);
4470 mb->method->save_lmf = 1;
4472 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
4473 sig->params [0] = &mono_defaults.object_class->byval_arg;
4474 sig->params [1] = &mono_defaults.int_class->byval_arg;
4475 sig->params [2] = &mono_defaults.int_class->byval_arg;
4476 sig->ret = &mono_defaults.object_class->byval_arg;
4478 mono_mb_emit_ldarg (mb, 0);
4479 mono_mb_emit_ldarg (mb, 1);
4480 mono_mb_emit_ldarg (mb, 2);
4482 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
4483 csig->params [0] = &mono_defaults.object_class->byval_arg;
4484 csig->params [1] = &mono_defaults.int_class->byval_arg;
4485 csig->params [2] = &mono_defaults.int_class->byval_arg;
4486 csig->ret = &mono_defaults.object_class->byval_arg;
4489 mono_mb_emit_native_call (mb, csig, mono_load_remote_field_new);
4490 emit_thread_interrupt_checkpoint (mb);
4492 mono_mb_emit_byte (mb, CEE_RET);
4494 mono_marshal_lock ();
4496 mono_marshal_unlock ();
4499 newm = mono_mb_create_method (mb, sig, 4);
4500 mono_marshal_lock ();
4505 mono_marshal_unlock ();
4507 mono_marshal_unlock ();
4508 mono_free_method (newm);
4517 * mono_marshal_get_ldfld_wrapper:
4518 * @type: the type of the field
4520 * This method generates a function which can be use to load a field with type
4521 * @type from an object. The generated function has the following signature:
4522 * <@type> ldfld_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset)
4525 mono_marshal_get_ldfld_wrapper (MonoType *type)
4527 MonoMethodSignature *sig;
4528 MonoMethodBuilder *mb;
4533 int t, pos0, pos1 = 0;
4535 type = mono_type_get_underlying_type (type);
4540 if (type->type == MONO_TYPE_SZARRAY) {
4541 klass = mono_defaults.array_class;
4542 } else if (type->type == MONO_TYPE_VALUETYPE) {
4543 klass = type->data.klass;
4544 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING) {
4545 klass = mono_defaults.object_class;
4546 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
4547 klass = mono_defaults.int_class;
4548 } else if (t == MONO_TYPE_GENERICINST) {
4549 if (mono_type_generic_inst_is_valuetype (type))
4550 klass = mono_class_from_mono_type (type);
4552 klass = mono_defaults.object_class;
4554 klass = mono_class_from_mono_type (type);
4557 klass = mono_defaults.int_class;
4560 cache = get_cache (&klass->image->ldfld_wrapper_cache, mono_aligned_addr_hash, NULL);
4561 if ((res = mono_marshal_find_in_cache (cache, klass)))
4564 /* we add the %p pointer value of klass because class names are not unique */
4565 name = g_strdup_printf ("__ldfld_wrapper_%p_%s.%s", klass, klass->name_space, klass->name);
4566 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_LDFLD);
4569 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
4570 sig->params [0] = &mono_defaults.object_class->byval_arg;
4571 sig->params [1] = &mono_defaults.int_class->byval_arg;
4572 sig->params [2] = &mono_defaults.int_class->byval_arg;
4573 sig->params [3] = &mono_defaults.int_class->byval_arg;
4574 sig->ret = &klass->byval_arg;
4576 mono_mb_emit_ldarg (mb, 0);
4577 pos0 = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
4579 mono_mb_emit_ldarg (mb, 0);
4580 mono_mb_emit_ldarg (mb, 1);
4581 mono_mb_emit_ldarg (mb, 2);
4583 mono_mb_emit_managed_call (mb, mono_marshal_get_ldfld_remote_wrapper (klass), NULL);
4586 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
4587 csig->params [0] = &mono_defaults.object_class->byval_arg;
4588 csig->params [1] = &mono_defaults.int_class->byval_arg;
4589 csig->params [2] = &mono_defaults.int_class->byval_arg;
4590 csig->ret = &klass->this_arg;
4593 mono_mb_emit_native_call (mb, csig, mono_load_remote_field_new);
4594 emit_thread_interrupt_checkpoint (mb);
4597 if (klass->valuetype) {
4598 mono_mb_emit_op (mb, CEE_UNBOX, klass);
4599 pos1 = mono_mb_emit_branch (mb, CEE_BR);
4601 mono_mb_emit_byte (mb, CEE_RET);
4605 mono_mb_patch_branch (mb, pos0);
4607 mono_mb_emit_ldarg (mb, 0);
4608 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4609 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
4610 mono_mb_emit_ldarg (mb, 3);
4611 mono_mb_emit_byte (mb, CEE_ADD);
4613 if (klass->valuetype)
4614 mono_mb_patch_branch (mb, pos1);
4619 case MONO_TYPE_BOOLEAN:
4620 case MONO_TYPE_CHAR:
4629 case MONO_TYPE_ARRAY:
4630 case MONO_TYPE_SZARRAY:
4631 case MONO_TYPE_OBJECT:
4632 case MONO_TYPE_CLASS:
4633 case MONO_TYPE_STRING:
4637 case MONO_TYPE_FNPTR:
4638 mono_mb_emit_byte (mb, mono_type_to_ldind (type));
4640 case MONO_TYPE_VALUETYPE:
4641 g_assert (!klass->enumtype);
4642 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
4644 case MONO_TYPE_GENERICINST:
4645 if (mono_type_generic_inst_is_valuetype (type)) {
4646 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
4648 mono_mb_emit_byte (mb, CEE_LDIND_REF);
4652 g_warning ("type %x not implemented", type->type);
4653 g_assert_not_reached ();
4656 mono_mb_emit_byte (mb, CEE_RET);
4658 res = mono_mb_create_and_cache (cache, klass,
4659 mb, sig, sig->param_count + 16);
4666 * mono_marshal_get_ldflda_wrapper:
4667 * @type: the type of the field
4669 * This method generates a function which can be used to load a field address
4670 * from an object. The generated function has the following signature:
4671 * gpointer ldflda_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset);
4674 mono_marshal_get_ldflda_wrapper (MonoType *type)
4676 MonoMethodSignature *sig;
4677 MonoMethodBuilder *mb;
4682 int t, pos0, pos1, pos2, pos3;
4684 type = mono_type_get_underlying_type (type);
4688 if (type->type == MONO_TYPE_SZARRAY) {
4689 klass = mono_defaults.array_class;
4690 } else if (type->type == MONO_TYPE_VALUETYPE) {
4691 klass = type->data.klass;
4692 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING ||
4693 t == MONO_TYPE_CLASS) {
4694 klass = mono_defaults.object_class;
4695 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
4696 klass = mono_defaults.int_class;
4697 } else if (t == MONO_TYPE_GENERICINST) {
4698 if (mono_type_generic_inst_is_valuetype (type))
4699 klass = mono_class_from_mono_type (type);
4701 klass = mono_defaults.object_class;
4703 klass = mono_class_from_mono_type (type);
4706 klass = mono_defaults.int_class;
4709 cache = get_cache (&klass->image->ldflda_wrapper_cache, mono_aligned_addr_hash, NULL);
4710 if ((res = mono_marshal_find_in_cache (cache, klass)))
4713 /* we add the %p pointer value of klass because class names are not unique */
4714 name = g_strdup_printf ("__ldflda_wrapper_%p_%s.%s", klass, klass->name_space, klass->name);
4715 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_LDFLDA);
4718 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
4719 sig->params [0] = &mono_defaults.object_class->byval_arg;
4720 sig->params [1] = &mono_defaults.int_class->byval_arg;
4721 sig->params [2] = &mono_defaults.int_class->byval_arg;
4722 sig->params [3] = &mono_defaults.int_class->byval_arg;
4723 sig->ret = &mono_defaults.int_class->byval_arg;
4725 /* if typeof (this) != transparent_proxy goto pos0 */
4726 mono_mb_emit_ldarg (mb, 0);
4727 pos0 = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
4729 /* if same_appdomain goto pos1 */
4730 mono_mb_emit_ldarg (mb, 0);
4731 pos1 = mono_mb_emit_xdomain_check (mb, CEE_BEQ);
4733 mono_mb_emit_exception_full (mb, "System", "InvalidOperationException", "Attempt to load field address from object in another appdomain.");
4735 /* same app domain */
4736 mono_mb_patch_branch (mb, pos1);
4738 /* if typeof (this) != contextbound goto pos2 */
4739 mono_mb_emit_ldarg (mb, 0);
4740 pos2 = mono_mb_emit_contextbound_check (mb, CEE_BEQ);
4742 /* if this->rp->context == mono_context_get goto pos3 */
4743 mono_mb_emit_ldarg (mb, 0);
4744 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
4745 mono_mb_emit_byte (mb, CEE_LDIND_REF);
4746 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoRealProxy, context));
4747 mono_mb_emit_byte (mb, CEE_LDIND_REF);
4748 mono_mb_emit_icall (mb, mono_context_get);
4749 pos3 = mono_mb_emit_branch (mb, CEE_BEQ);
4751 mono_mb_emit_exception_full (mb, "System", "InvalidOperationException", "Attempt to load field address from object in another context.");
4753 mono_mb_patch_branch (mb, pos2);
4754 mono_mb_patch_branch (mb, pos3);
4756 /* return the address of the field from this->rp->unwrapped_server */
4757 mono_mb_emit_ldarg (mb, 0);
4758 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
4759 mono_mb_emit_byte (mb, CEE_LDIND_REF);
4760 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoRealProxy, unwrapped_server));
4761 mono_mb_emit_byte (mb, CEE_LDIND_REF);
4762 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4763 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
4764 mono_mb_emit_ldarg (mb, 3);
4765 mono_mb_emit_byte (mb, CEE_ADD);
4766 mono_mb_emit_byte (mb, CEE_RET);
4768 /* not a proxy: return the address of the field directly */
4769 mono_mb_patch_branch (mb, pos0);
4771 mono_mb_emit_ldarg (mb, 0);
4772 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4773 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
4774 mono_mb_emit_ldarg (mb, 3);
4775 mono_mb_emit_byte (mb, CEE_ADD);
4777 mono_mb_emit_byte (mb, CEE_RET);
4779 res = mono_mb_create_and_cache (cache, klass,
4780 mb, sig, sig->param_count + 16);
4787 * mono_marshal_get_stfld_remote_wrapper:
4788 * klass: The type of the field
4790 * This function generates a wrapper for calling mono_store_remote_field_new
4791 * with the appropriate signature.
4792 * Similarly to mono_marshal_get_ldfld_remote_wrapper () this doesn't depend on the
4793 * klass argument anymore.
4796 mono_marshal_get_stfld_remote_wrapper (MonoClass *klass)
4798 MonoMethodSignature *sig, *csig;
4799 MonoMethodBuilder *mb;
4801 static MonoMethod *cached = NULL;
4803 mono_marshal_lock ();
4805 mono_marshal_unlock ();
4808 mono_marshal_unlock ();
4810 mb = mono_mb_new_no_dup_name (mono_defaults.object_class, "__mono_store_remote_field_new_wrapper", MONO_WRAPPER_STFLD_REMOTE);
4812 mb->method->save_lmf = 1;
4814 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
4815 sig->params [0] = &mono_defaults.object_class->byval_arg;
4816 sig->params [1] = &mono_defaults.int_class->byval_arg;
4817 sig->params [2] = &mono_defaults.int_class->byval_arg;
4818 sig->params [3] = &mono_defaults.object_class->byval_arg;
4819 sig->ret = &mono_defaults.void_class->byval_arg;
4821 mono_mb_emit_ldarg (mb, 0);
4822 mono_mb_emit_ldarg (mb, 1);
4823 mono_mb_emit_ldarg (mb, 2);
4824 mono_mb_emit_ldarg (mb, 3);
4826 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
4827 csig->params [0] = &mono_defaults.object_class->byval_arg;
4828 csig->params [1] = &mono_defaults.int_class->byval_arg;
4829 csig->params [2] = &mono_defaults.int_class->byval_arg;
4830 csig->params [3] = &mono_defaults.object_class->byval_arg;
4831 csig->ret = &mono_defaults.void_class->byval_arg;
4834 mono_mb_emit_native_call (mb, csig, mono_store_remote_field_new);
4835 emit_thread_interrupt_checkpoint (mb);
4837 mono_mb_emit_byte (mb, CEE_RET);
4839 mono_marshal_lock ();
4841 mono_marshal_unlock ();
4844 newm = mono_mb_create_method (mb, sig, 6);
4845 mono_marshal_lock ();
4850 mono_marshal_unlock ();
4852 mono_marshal_unlock ();
4853 mono_free_method (newm);
4862 * mono_marshal_get_stfld_wrapper:
4863 * @type: the type of the field
4865 * This method generates a function which can be use to store a field with type
4866 * @type. The generated function has the following signature:
4867 * void stfld_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset, <@type> val)
4870 mono_marshal_get_stfld_wrapper (MonoType *type)
4872 MonoMethodSignature *sig;
4873 MonoMethodBuilder *mb;
4880 type = mono_type_get_underlying_type (type);
4884 if (type->type == MONO_TYPE_SZARRAY) {
4885 klass = mono_defaults.array_class;
4886 } else if (type->type == MONO_TYPE_VALUETYPE) {
4887 klass = type->data.klass;
4888 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING) {
4889 klass = mono_defaults.object_class;
4890 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
4891 klass = mono_defaults.int_class;
4892 } else if (t == MONO_TYPE_GENERICINST) {
4893 if (mono_type_generic_inst_is_valuetype (type))
4894 klass = mono_class_from_mono_type (type);
4896 klass = mono_defaults.object_class;
4898 klass = mono_class_from_mono_type (type);
4901 klass = mono_defaults.int_class;
4904 cache = get_cache (&klass->image->stfld_wrapper_cache, mono_aligned_addr_hash, NULL);
4905 if ((res = mono_marshal_find_in_cache (cache, klass)))
4908 /* we add the %p pointer value of klass because class names are not unique */
4909 name = g_strdup_printf ("__stfld_wrapper_%p_%s.%s", klass, klass->name_space, klass->name);
4910 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_STFLD);
4913 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 5);
4914 sig->params [0] = &mono_defaults.object_class->byval_arg;
4915 sig->params [1] = &mono_defaults.int_class->byval_arg;
4916 sig->params [2] = &mono_defaults.int_class->byval_arg;
4917 sig->params [3] = &mono_defaults.int_class->byval_arg;
4918 sig->params [4] = &klass->byval_arg;
4919 sig->ret = &mono_defaults.void_class->byval_arg;
4921 mono_mb_emit_ldarg (mb, 0);
4922 pos = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
4924 mono_mb_emit_ldarg (mb, 0);
4925 mono_mb_emit_ldarg (mb, 1);
4926 mono_mb_emit_ldarg (mb, 2);
4927 mono_mb_emit_ldarg (mb, 4);
4928 if (klass->valuetype)
4929 mono_mb_emit_op (mb, CEE_BOX, klass);
4931 mono_mb_emit_managed_call (mb, mono_marshal_get_stfld_remote_wrapper (klass), NULL);
4933 mono_mb_emit_byte (mb, CEE_RET);
4935 mono_mb_patch_branch (mb, pos);
4937 mono_mb_emit_ldarg (mb, 0);
4938 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4939 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
4940 mono_mb_emit_ldarg (mb, 3);
4941 mono_mb_emit_byte (mb, CEE_ADD);
4942 mono_mb_emit_ldarg (mb, 4);
4947 case MONO_TYPE_BOOLEAN:
4948 case MONO_TYPE_CHAR:
4957 case MONO_TYPE_ARRAY:
4958 case MONO_TYPE_SZARRAY:
4959 case MONO_TYPE_OBJECT:
4960 case MONO_TYPE_CLASS:
4961 case MONO_TYPE_STRING:
4965 case MONO_TYPE_FNPTR:
4966 mono_mb_emit_byte (mb, mono_type_to_stind (type));
4968 case MONO_TYPE_VALUETYPE:
4969 g_assert (!klass->enumtype);
4970 mono_mb_emit_op (mb, CEE_STOBJ, klass);
4972 case MONO_TYPE_GENERICINST:
4973 mono_mb_emit_op (mb, CEE_STOBJ, klass);
4976 g_warning ("type %x not implemented", type->type);
4977 g_assert_not_reached ();
4980 mono_mb_emit_byte (mb, CEE_RET);
4982 res = mono_mb_create_and_cache (cache, klass,
4983 mb, sig, sig->param_count + 16);
4990 * generates IL code for the icall wrapper (the generated method
4991 * calls the unmanaged code in func)
4994 mono_marshal_get_icall_wrapper (MonoMethodSignature *sig, const char *name, gconstpointer func, gboolean check_exceptions)
4996 MonoMethodSignature *csig;
4997 MonoMethodBuilder *mb;
5001 g_assert (sig->pinvoke);
5003 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_MANAGED_TO_NATIVE);
5005 mb->method->save_lmf = 1;
5007 /* we copy the signature, so that we can modify it */
5010 mono_mb_emit_byte (mb, CEE_LDARG_0);
5012 for (i = 0; i < sig->param_count; i++)
5013 mono_mb_emit_ldarg (mb, i + sig->hasthis);
5015 mono_mb_emit_native_call (mb, sig, (gpointer) func);
5016 if (check_exceptions)
5017 emit_thread_interrupt_checkpoint (mb);
5018 mono_mb_emit_byte (mb, CEE_RET);
5020 csig = signature_dup (mono_defaults.corlib, sig);
5022 if (csig->call_convention == MONO_CALL_VARARG)
5023 csig->call_convention = 0;
5025 res = mono_mb_create_method (mb, csig, csig->param_count + 16);
5032 emit_marshal_custom (EmitMarshalContext *m, int argnum, MonoType *t,
5033 MonoMarshalSpec *spec,
5034 int conv_arg, MonoType **conv_arg_type,
5035 MarshalAction action)
5039 static MonoClass *ICustomMarshaler = NULL;
5040 static MonoMethod *cleanup_native, *cleanup_managed;
5041 static MonoMethod *marshal_managed_to_native, *marshal_native_to_managed;
5042 MonoMethod *get_instance;
5043 MonoMethodBuilder *mb = m->mb;
5044 char *exception_msg = NULL;
5048 if (!ICustomMarshaler) {
5049 ICustomMarshaler = mono_class_from_name (mono_defaults.corlib, "System.Runtime.InteropServices", "ICustomMarshaler");
5050 g_assert (ICustomMarshaler);
5052 cleanup_native = mono_class_get_method_from_name (ICustomMarshaler, "CleanUpNativeData", 1);
5053 g_assert (cleanup_native);
5054 cleanup_managed = mono_class_get_method_from_name (ICustomMarshaler, "CleanUpManagedData", 1);
5055 g_assert (cleanup_managed);
5056 marshal_managed_to_native = mono_class_get_method_from_name (ICustomMarshaler, "MarshalManagedToNative", 1);
5057 g_assert (marshal_managed_to_native);
5058 marshal_native_to_managed = mono_class_get_method_from_name (ICustomMarshaler, "MarshalNativeToManaged", 1);
5059 g_assert (marshal_native_to_managed);
5062 mtype = mono_reflection_type_from_name (spec->data.custom_data.custom_name, m->image);
5063 g_assert (mtype != NULL);
5064 mklass = mono_class_from_mono_type (mtype);
5065 g_assert (mklass != NULL);
5067 if (!mono_class_is_assignable_from (ICustomMarshaler, mklass))
5068 exception_msg = g_strdup_printf ("Custom marshaler '%s' does not implement the ICustomMarshaler interface.", mklass->name);
5070 get_instance = mono_class_get_method_from_name_flags (mklass, "GetInstance", 1, METHOD_ATTRIBUTE_STATIC);
5072 MonoMethodSignature *get_sig = mono_method_signature (get_instance);
5073 if ((get_sig->ret->type != MONO_TYPE_CLASS) ||
5074 (mono_class_from_mono_type (get_sig->ret) != ICustomMarshaler) ||
5075 (get_sig->params [0]->type != MONO_TYPE_STRING))
5076 get_instance = NULL;
5080 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);
5082 /* Throw exception and emit compensation code if neccesary */
5083 if (exception_msg) {
5085 case MARSHAL_ACTION_CONV_IN:
5086 case MARSHAL_ACTION_CONV_RESULT:
5087 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
5088 if ((action == MARSHAL_ACTION_CONV_RESULT) || (action == MARSHAL_ACTION_MANAGED_CONV_RESULT))
5089 mono_mb_emit_byte (mb, CEE_POP);
5091 mono_mb_emit_exception_full (mb, "System", "ApplicationException", exception_msg);
5092 g_free (exception_msg);
5095 case MARSHAL_ACTION_PUSH:
5096 mono_mb_emit_byte (mb, CEE_LDNULL);
5104 /* FIXME: MS.NET seems to create one instance for each klass + cookie pair */
5105 /* FIXME: MS.NET throws an exception if GetInstance returns null */
5108 case MARSHAL_ACTION_CONV_IN:
5110 case MONO_TYPE_CLASS:
5111 case MONO_TYPE_OBJECT:
5112 case MONO_TYPE_STRING:
5113 case MONO_TYPE_ARRAY:
5114 case MONO_TYPE_SZARRAY:
5115 case MONO_TYPE_VALUETYPE:
5119 g_warning ("custom marshalling of type %x is currently not supported", t->type);
5120 g_assert_not_reached ();
5124 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5126 mono_mb_emit_byte (mb, CEE_LDNULL);
5127 mono_mb_emit_stloc (mb, conv_arg);
5129 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT))
5132 /* Minic MS.NET behavior */
5133 if (!t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT) && !(t->attrs & PARAM_ATTRIBUTE_IN))
5136 /* Check for null */
5137 mono_mb_emit_ldarg (mb, argnum);
5139 mono_mb_emit_byte (mb, CEE_LDIND_I);
5140 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5142 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5144 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5146 mono_mb_emit_ldarg (mb, argnum);
5148 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5150 if (t->type == MONO_TYPE_VALUETYPE) {
5152 * Since we can't determine the type of the argument, we
5153 * will assume the unmanaged function takes a pointer.
5155 *conv_arg_type = &mono_defaults.int_class->byval_arg;
5157 mono_mb_emit_op (mb, CEE_BOX, mono_class_from_mono_type (t));
5160 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_managed_to_native);
5161 mono_mb_emit_stloc (mb, conv_arg);
5163 mono_mb_patch_branch (mb, pos2);
5166 case MARSHAL_ACTION_CONV_OUT:
5167 /* Check for null */
5168 mono_mb_emit_ldloc (mb, conv_arg);
5169 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5172 mono_mb_emit_ldarg (mb, argnum);
5174 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5176 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5178 mono_mb_emit_ldloc (mb, conv_arg);
5179 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
5180 mono_mb_emit_byte (mb, CEE_STIND_REF);
5181 } else if (t->attrs & PARAM_ATTRIBUTE_OUT) {
5182 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5184 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5186 mono_mb_emit_ldloc (mb, conv_arg);
5187 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
5189 /* We have nowhere to store the result */
5190 mono_mb_emit_byte (mb, CEE_POP);
5193 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5195 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5197 mono_mb_emit_ldloc (mb, conv_arg);
5199 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_native);
5201 mono_mb_patch_branch (mb, pos2);
5204 case MARSHAL_ACTION_PUSH:
5206 mono_mb_emit_ldloc_addr (mb, conv_arg);
5208 mono_mb_emit_ldloc (mb, conv_arg);
5211 case MARSHAL_ACTION_CONV_RESULT:
5212 loc1 = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5214 mono_mb_emit_stloc (mb, 3);
5216 mono_mb_emit_ldloc (mb, 3);
5217 mono_mb_emit_stloc (mb, loc1);
5219 /* Check for null */
5220 mono_mb_emit_ldloc (mb, 3);
5221 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5223 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5225 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5226 mono_mb_emit_byte (mb, CEE_DUP);
5228 mono_mb_emit_ldloc (mb, 3);
5229 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
5230 mono_mb_emit_stloc (mb, 3);
5232 mono_mb_emit_ldloc (mb, loc1);
5233 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_native);
5235 mono_mb_patch_branch (mb, pos2);
5238 case MARSHAL_ACTION_MANAGED_CONV_IN:
5239 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
5241 mono_mb_emit_byte (mb, CEE_LDNULL);
5242 mono_mb_emit_stloc (mb, conv_arg);
5244 if (t->byref && t->attrs & PARAM_ATTRIBUTE_OUT)
5247 /* Check for null */
5248 mono_mb_emit_ldarg (mb, argnum);
5250 mono_mb_emit_byte (mb, CEE_LDIND_I);
5251 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5253 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5254 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5256 mono_mb_emit_ldarg (mb, argnum);
5258 mono_mb_emit_byte (mb, CEE_LDIND_I);
5260 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
5261 mono_mb_emit_stloc (mb, conv_arg);
5263 mono_mb_patch_branch (mb, pos2);
5266 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
5267 g_assert (!t->byref);
5269 loc1 = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
5271 mono_mb_emit_stloc (mb, 3);
5273 mono_mb_emit_ldloc (mb, 3);
5274 mono_mb_emit_stloc (mb, loc1);
5276 /* Check for null */
5277 mono_mb_emit_ldloc (mb, 3);
5278 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5280 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5281 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5282 mono_mb_emit_byte (mb, CEE_DUP);
5284 mono_mb_emit_ldloc (mb, 3);
5285 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_managed_to_native);
5286 mono_mb_emit_stloc (mb, 3);
5288 mono_mb_emit_ldloc (mb, loc1);
5289 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_managed);
5291 mono_mb_patch_branch (mb, pos2);
5294 case MARSHAL_ACTION_MANAGED_CONV_OUT:
5296 /* Check for null */
5297 mono_mb_emit_ldloc (mb, conv_arg);
5298 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5301 mono_mb_emit_ldarg (mb, argnum);
5303 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5305 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5307 mono_mb_emit_ldloc (mb, conv_arg);
5308 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_managed_to_native);
5309 mono_mb_emit_byte (mb, CEE_STIND_I);
5312 /* Call CleanUpManagedData */
5313 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5315 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5317 mono_mb_emit_ldloc (mb, conv_arg);
5318 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_managed);
5320 mono_mb_patch_branch (mb, pos2);
5324 g_assert_not_reached ();
5331 emit_marshal_asany (EmitMarshalContext *m, int argnum, MonoType *t,
5332 MonoMarshalSpec *spec,
5333 int conv_arg, MonoType **conv_arg_type,
5334 MarshalAction action)
5336 MonoMethodBuilder *mb = m->mb;
5339 case MARSHAL_ACTION_CONV_IN: {
5340 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, NULL);
5342 g_assert (t->type == MONO_TYPE_OBJECT);
5343 g_assert (!t->byref);
5345 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5346 mono_mb_emit_ldarg (mb, argnum);
5347 mono_mb_emit_icon (mb, encoding);
5348 mono_mb_emit_icon (mb, t->attrs);
5349 mono_mb_emit_icall (mb, mono_marshal_asany);
5350 mono_mb_emit_stloc (mb, conv_arg);
5354 case MARSHAL_ACTION_PUSH:
5355 mono_mb_emit_ldloc (mb, conv_arg);
5358 case MARSHAL_ACTION_CONV_OUT: {
5359 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, NULL);
5361 mono_mb_emit_ldarg (mb, argnum);
5362 mono_mb_emit_ldloc (mb, conv_arg);
5363 mono_mb_emit_icon (mb, encoding);
5364 mono_mb_emit_icon (mb, t->attrs);
5365 mono_mb_emit_icall (mb, mono_marshal_free_asany);
5370 g_assert_not_reached ();
5377 emit_marshal_vtype (EmitMarshalContext *m, int argnum, MonoType *t,
5378 MonoMarshalSpec *spec,
5379 int conv_arg, MonoType **conv_arg_type,
5380 MarshalAction action)
5382 MonoMethodBuilder *mb = m->mb;
5386 klass = mono_class_from_mono_type (t);
5389 case MARSHAL_ACTION_CONV_IN:
5390 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
5391 klass->blittable || klass->enumtype)
5394 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5396 /* store the address of the source into local variable 0 */
5398 mono_mb_emit_ldarg (mb, argnum);
5400 mono_mb_emit_ldarg_addr (mb, argnum);
5402 mono_mb_emit_stloc (mb, 0);
5404 /* allocate space for the native struct and
5405 * store the address into local variable 1 (dest) */
5406 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
5407 mono_mb_emit_byte (mb, CEE_PREFIX1);
5408 mono_mb_emit_byte (mb, CEE_LOCALLOC);
5409 mono_mb_emit_stloc (mb, conv_arg);
5412 mono_mb_emit_ldloc (mb, 0);
5413 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
5416 if (!(t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && (t->attrs & PARAM_ATTRIBUTE_OUT))) {
5418 mono_mb_emit_ldloc (mb, conv_arg);
5419 mono_mb_emit_stloc (mb, 1);
5421 /* emit valuetype conversion code */
5422 emit_struct_conv (mb, klass, FALSE);
5426 mono_mb_patch_branch (mb, pos);
5429 case MARSHAL_ACTION_PUSH:
5430 if (spec && spec->native == MONO_NATIVE_LPSTRUCT) {
5432 g_assert (!t->byref);
5434 /* Have to change the signature since the vtype is passed byref */
5435 m->csig->params [argnum - m->csig->hasthis] = &mono_defaults.int_class->byval_arg;
5437 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
5438 klass->blittable || klass->enumtype)
5439 mono_mb_emit_ldarg_addr (mb, argnum);
5441 mono_mb_emit_ldloc (mb, conv_arg);
5445 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
5446 klass->blittable || klass->enumtype) {
5447 mono_mb_emit_ldarg (mb, argnum);
5450 mono_mb_emit_ldloc (mb, conv_arg);
5452 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5453 mono_mb_emit_op (mb, CEE_MONO_LDNATIVEOBJ, klass);
5457 case MARSHAL_ACTION_CONV_OUT:
5458 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
5459 klass->blittable || klass->enumtype)
5463 /* dst = argument */
5464 mono_mb_emit_ldarg (mb, argnum);
5465 mono_mb_emit_stloc (mb, 1);
5467 mono_mb_emit_ldloc (mb, 1);
5468 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
5470 if (!((t->attrs & PARAM_ATTRIBUTE_IN) && !(t->attrs & PARAM_ATTRIBUTE_OUT))) {
5471 /* src = tmp_locals [i] */
5472 mono_mb_emit_ldloc (mb, conv_arg);
5473 mono_mb_emit_stloc (mb, 0);
5475 /* emit valuetype conversion code */
5476 emit_struct_conv (mb, klass, TRUE);
5480 emit_struct_free (mb, klass, conv_arg);
5483 mono_mb_patch_branch (mb, pos);
5486 case MARSHAL_ACTION_CONV_RESULT:
5487 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
5489 mono_mb_emit_stloc (mb, 3);
5492 /* load pointer to returned value type */
5493 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5494 mono_mb_emit_byte (mb, CEE_MONO_VTADDR);
5495 /* store the address of the source into local variable 0 */
5496 mono_mb_emit_stloc (mb, 0);
5498 mono_mb_emit_ldloc_addr (mb, 3);
5499 mono_mb_emit_stloc (mb, 1);
5501 /* emit valuetype conversion code */
5502 emit_struct_conv (mb, klass, TRUE);
5505 case MARSHAL_ACTION_MANAGED_CONV_IN:
5506 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
5507 klass->blittable || klass->enumtype) {
5512 conv_arg = mono_mb_add_local (mb, &klass->byval_arg);
5514 if (t->attrs & PARAM_ATTRIBUTE_OUT)
5518 mono_mb_emit_ldarg (mb, argnum);
5520 mono_mb_emit_ldarg_addr (mb, argnum);
5521 mono_mb_emit_stloc (mb, 0);
5524 mono_mb_emit_ldloc (mb, 0);
5525 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
5528 mono_mb_emit_ldloc_addr (mb, conv_arg);
5529 mono_mb_emit_stloc (mb, 1);
5531 /* emit valuetype conversion code */
5532 emit_struct_conv (mb, klass, TRUE);
5535 mono_mb_patch_branch (mb, pos);
5538 case MARSHAL_ACTION_MANAGED_CONV_OUT:
5539 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
5540 klass->blittable || klass->enumtype) {
5544 /* Check for null */
5545 mono_mb_emit_ldarg (mb, argnum);
5546 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5549 mono_mb_emit_ldloc_addr (mb, conv_arg);
5550 mono_mb_emit_stloc (mb, 0);
5553 mono_mb_emit_ldarg (mb, argnum);
5554 mono_mb_emit_stloc (mb, 1);
5556 /* emit valuetype conversion code */
5557 emit_struct_conv (mb, klass, FALSE);
5559 mono_mb_patch_branch (mb, pos2);
5562 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
5563 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
5564 klass->blittable || klass->enumtype) {
5565 mono_mb_emit_stloc (mb, 3);
5570 /* load pointer to returned value type */
5571 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5572 mono_mb_emit_byte (mb, CEE_MONO_VTADDR);
5574 /* store the address of the source into local variable 0 */
5575 mono_mb_emit_stloc (mb, 0);
5576 /* allocate space for the native struct and
5577 * store the address into dst_ptr */
5578 m->retobj_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5579 m->retobj_class = klass;
5580 g_assert (m->retobj_var);
5581 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
5582 mono_mb_emit_byte (mb, CEE_CONV_I);
5583 mono_mb_emit_icall (mb, mono_marshal_alloc);
5584 mono_mb_emit_stloc (mb, 1);
5585 mono_mb_emit_ldloc (mb, 1);
5586 mono_mb_emit_stloc (mb, m->retobj_var);
5588 /* emit valuetype conversion code */
5589 emit_struct_conv (mb, klass, FALSE);
5593 g_assert_not_reached ();
5600 emit_marshal_string (EmitMarshalContext *m, int argnum, MonoType *t,
5601 MonoMarshalSpec *spec,
5602 int conv_arg, MonoType **conv_arg_type,
5603 MarshalAction action)
5605 MonoMethodBuilder *mb = m->mb;
5606 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
5607 MonoMarshalConv conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
5611 case MARSHAL_ACTION_CONV_IN:
5612 *conv_arg_type = &mono_defaults.int_class->byval_arg;
5613 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5616 if (t->attrs & PARAM_ATTRIBUTE_OUT)
5619 mono_mb_emit_ldarg (mb, argnum);
5620 mono_mb_emit_byte (mb, CEE_LDIND_I);
5622 mono_mb_emit_ldarg (mb, argnum);
5626 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
5627 MonoException *exc = mono_get_exception_not_implemented (msg);
5628 g_warning ("%s", msg);
5630 mono_raise_exception (exc);
5633 mono_mb_emit_icall (mb, conv_to_icall (conv));
5635 mono_mb_emit_stloc (mb, conv_arg);
5638 case MARSHAL_ACTION_CONV_OUT:
5639 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
5641 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
5642 mono_mb_emit_exception_marshal_directive (mb, msg);
5646 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT)) {
5647 mono_mb_emit_ldarg (mb, argnum);
5648 mono_mb_emit_ldloc (mb, conv_arg);
5649 mono_mb_emit_icall (mb, conv_to_icall (conv));
5650 mono_mb_emit_byte (mb, CEE_STIND_REF);
5653 if (need_free || (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT))) {
5654 mono_mb_emit_ldloc (mb, conv_arg);
5655 if (conv == MONO_MARSHAL_CONV_BSTR_STR)
5656 mono_mb_emit_icall (mb, mono_free_bstr);
5658 mono_mb_emit_icall (mb, mono_marshal_free);
5662 case MARSHAL_ACTION_PUSH:
5664 mono_mb_emit_ldloc_addr (mb, conv_arg);
5666 mono_mb_emit_ldloc (mb, conv_arg);
5669 case MARSHAL_ACTION_CONV_RESULT:
5670 mono_mb_emit_stloc (mb, 0);
5672 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
5674 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
5675 mono_mb_emit_exception_marshal_directive (mb, msg);
5679 mono_mb_emit_ldloc (mb, 0);
5680 mono_mb_emit_icall (mb, conv_to_icall (conv));
5681 mono_mb_emit_stloc (mb, 3);
5683 /* free the string */
5684 mono_mb_emit_ldloc (mb, 0);
5685 if (conv == MONO_MARSHAL_CONV_BSTR_STR)
5686 mono_mb_emit_icall (mb, mono_free_bstr);
5688 mono_mb_emit_icall (mb, mono_marshal_free);
5691 case MARSHAL_ACTION_MANAGED_CONV_IN:
5692 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
5694 *conv_arg_type = &mono_defaults.int_class->byval_arg;
5696 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
5698 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
5699 mono_mb_emit_exception_marshal_directive (mb, msg);
5703 mono_mb_emit_ldarg (mb, argnum);
5705 mono_mb_emit_byte (mb, CEE_LDIND_I);
5706 mono_mb_emit_icall (mb, conv_to_icall (conv));
5707 mono_mb_emit_stloc (mb, conv_arg);
5710 case MARSHAL_ACTION_MANAGED_CONV_OUT:
5713 mono_mb_emit_ldarg (mb, argnum);
5714 mono_mb_emit_ldloc (mb, conv_arg);
5715 mono_mb_emit_icall (mb, conv_to_icall (conv));
5716 mono_mb_emit_byte (mb, CEE_STIND_I);
5721 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
5722 if (conv_to_icall (conv) == mono_marshal_string_to_utf16)
5723 /* We need to make a copy so the caller is able to free it */
5724 mono_mb_emit_icall (mb, mono_marshal_string_to_utf16_copy);
5726 mono_mb_emit_icall (mb, conv_to_icall (conv));
5727 mono_mb_emit_stloc (mb, 3);
5731 g_assert_not_reached ();
5738 emit_marshal_safehandle (EmitMarshalContext *m, int argnum, MonoType *t,
5739 MonoMarshalSpec *spec, int conv_arg,
5740 MonoType **conv_arg_type, MarshalAction action)
5742 MonoMethodBuilder *mb = m->mb;
5745 case MARSHAL_ACTION_CONV_IN: {
5746 MonoType *intptr_type;
5747 int dar_release_slot, pos;
5749 intptr_type = &mono_defaults.int_class->byval_arg;
5750 conv_arg = mono_mb_add_local (mb, intptr_type);
5751 *conv_arg_type = intptr_type;
5753 if (!sh_dangerous_add_ref)
5754 init_safe_handle ();
5756 mono_mb_emit_ldarg (mb, argnum);
5757 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
5758 mono_mb_emit_exception (mb, "ArgumentNullException", NULL);
5760 mono_mb_patch_branch (mb, pos);
5763 * My tests in show that ref SafeHandles are not really
5764 * passed as ref objects. Instead a NULL is passed as the
5767 mono_mb_emit_icon (mb, 0);
5768 mono_mb_emit_stloc (mb, conv_arg);
5772 /* Create local to hold the ref parameter to DangerousAddRef */
5773 dar_release_slot = mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
5775 /* set release = false; */
5776 mono_mb_emit_icon (mb, 0);
5777 mono_mb_emit_stloc (mb, dar_release_slot);
5779 /* safehandle.DangerousAddRef (ref release) */
5780 mono_mb_emit_ldarg (mb, argnum);
5781 mono_mb_emit_ldloc_addr (mb, dar_release_slot);
5782 mono_mb_emit_managed_call (mb, sh_dangerous_add_ref, NULL);
5784 /* Pull the handle field from SafeHandle */
5785 mono_mb_emit_ldarg (mb, argnum);
5786 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoSafeHandle, handle));
5787 mono_mb_emit_byte (mb, CEE_LDIND_I);
5788 mono_mb_emit_stloc (mb, conv_arg);
5793 case MARSHAL_ACTION_PUSH:
5795 mono_mb_emit_ldloc_addr (mb, conv_arg);
5797 mono_mb_emit_ldloc (mb, conv_arg);
5800 case MARSHAL_ACTION_CONV_OUT: {
5801 /* The slot for the boolean is the next temporary created after conv_arg, see the CONV_IN code */
5802 int dar_release_slot = conv_arg + 1;
5805 if (!sh_dangerous_release)
5806 init_safe_handle ();
5812 * My tests indicate that ref SafeHandles parameters are not actually
5813 * passed by ref, but instead a new Handle is created regardless of
5814 * whether a change happens in the unmanaged side.
5816 * Also, the Handle is created before calling into unmanaged code,
5817 * but we do not support that mechanism (getting to the original
5818 * handle) and it makes no difference where we create this
5820 ctor = mono_class_get_method_from_name (t->data.klass, ".ctor", 0);
5822 mono_mb_emit_exception (mb, "MissingMethodException", "paramterless constructor required");
5825 /* refval = new SafeHandleDerived ()*/
5826 mono_mb_emit_ldarg (mb, argnum);
5827 mono_mb_emit_op (mb, CEE_NEWOBJ, ctor);
5828 mono_mb_emit_byte (mb, CEE_STIND_REF);
5830 /* refval.handle = returned_handle */
5831 mono_mb_emit_ldarg (mb, argnum);
5832 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5833 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoSafeHandle, handle));
5834 mono_mb_emit_ldloc (mb, conv_arg);
5835 mono_mb_emit_byte (mb, CEE_STIND_I);
5837 mono_mb_emit_ldloc (mb, dar_release_slot);
5838 label_next = mono_mb_emit_branch (mb, CEE_BRFALSE);
5839 mono_mb_emit_ldarg (mb, argnum);
5840 mono_mb_emit_managed_call (mb, sh_dangerous_release, NULL);
5841 mono_mb_patch_branch (mb, label_next);
5846 case MARSHAL_ACTION_CONV_RESULT: {
5847 MonoMethod *ctor = NULL;
5848 int intptr_handle_slot;
5850 if (t->data.klass->flags & TYPE_ATTRIBUTE_ABSTRACT){
5851 mono_mb_emit_byte (mb, CEE_POP);
5852 mono_mb_emit_exception_marshal_directive (mb, "Returned SafeHandles should not be abstract");
5856 ctor = mono_class_get_method_from_name (t->data.klass, ".ctor", 0);
5858 mono_mb_emit_byte (mb, CEE_POP);
5859 mono_mb_emit_exception (mb, "MissingMethodException", "paramterless constructor required");
5862 /* Store the IntPtr results into a local */
5863 intptr_handle_slot = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5864 mono_mb_emit_stloc (mb, intptr_handle_slot);
5866 /* Create return value */
5867 mono_mb_emit_op (mb, CEE_NEWOBJ, ctor);
5868 mono_mb_emit_stloc (mb, 3);
5870 /* Set the return.handle to the value, am using ldflda, not sure if thats a good idea */
5871 mono_mb_emit_ldloc (mb, 3);
5872 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoSafeHandle, handle));
5873 mono_mb_emit_ldloc (mb, intptr_handle_slot);
5874 mono_mb_emit_byte (mb, CEE_STIND_I);
5878 case MARSHAL_ACTION_MANAGED_CONV_IN:
5879 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_IN\n");
5882 case MARSHAL_ACTION_MANAGED_CONV_OUT:
5883 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_OUT\n");
5886 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
5887 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_RESULT\n");
5890 printf ("Unhandled case for MarshalAction: %d\n", action);
5897 emit_marshal_handleref (EmitMarshalContext *m, int argnum, MonoType *t,
5898 MonoMarshalSpec *spec, int conv_arg,
5899 MonoType **conv_arg_type, MarshalAction action)
5901 MonoMethodBuilder *mb = m->mb;
5904 case MARSHAL_ACTION_CONV_IN: {
5905 MonoType *intptr_type;
5907 intptr_type = &mono_defaults.int_class->byval_arg;
5908 conv_arg = mono_mb_add_local (mb, intptr_type);
5909 *conv_arg_type = intptr_type;
5912 mono_mb_emit_exception_marshal_directive (mb,
5913 "HandleRefs can not be returned from unmanaged code (or passed by ref)");
5916 mono_mb_emit_ldarg_addr (mb, argnum);
5917 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoHandleRef, handle));
5918 mono_mb_emit_byte (mb, CEE_ADD);
5919 mono_mb_emit_byte (mb, CEE_LDIND_I);
5920 mono_mb_emit_stloc (mb, conv_arg);
5924 case MARSHAL_ACTION_PUSH:
5925 mono_mb_emit_ldloc (mb, conv_arg);
5928 case MARSHAL_ACTION_CONV_OUT: {
5929 /* no resource release required */
5933 case MARSHAL_ACTION_CONV_RESULT: {
5934 mono_mb_emit_exception_marshal_directive (mb,
5935 "HandleRefs can not be returned from unmanaged code (or passed by ref)");
5939 case MARSHAL_ACTION_MANAGED_CONV_IN:
5940 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_IN\n");
5943 case MARSHAL_ACTION_MANAGED_CONV_OUT:
5944 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_OUT\n");
5947 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
5948 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_RESULT\n");
5951 fprintf (stderr, "Unhandled case for MarshalAction: %d\n", action);
5958 emit_marshal_object (EmitMarshalContext *m, int argnum, MonoType *t,
5959 MonoMarshalSpec *spec,
5960 int conv_arg, MonoType **conv_arg_type,
5961 MarshalAction action)
5963 MonoMethodBuilder *mb = m->mb;
5964 MonoClass *klass = mono_class_from_mono_type (t);
5968 case MARSHAL_ACTION_CONV_IN:
5969 *conv_arg_type = &mono_defaults.int_class->byval_arg;
5970 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5972 m->orig_conv_args [argnum] = 0;
5974 if (mono_class_from_mono_type (t) == mono_defaults.object_class) {
5975 char *msg = g_strdup_printf ("Marshalling of type object is not implemented");
5976 mono_mb_emit_exception_marshal_directive (mb, msg);
5980 if (klass->delegate) {
5982 if (!(t->attrs & PARAM_ATTRIBUTE_OUT)) {
5983 char *msg = g_strdup_printf ("Byref marshalling of delegates is not implemented.");
5984 mono_mb_emit_exception_marshal_directive (mb, msg);
5986 mono_mb_emit_byte (mb, CEE_LDNULL);
5987 mono_mb_emit_stloc (mb, conv_arg);
5989 mono_mb_emit_ldarg (mb, argnum);
5990 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_DEL_FTN));
5991 mono_mb_emit_stloc (mb, conv_arg);
5993 } else if (klass == mono_defaults.stringbuilder_class) {
5994 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
5995 MonoMarshalConv conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
5997 g_assert (!t->byref);
5998 mono_mb_emit_ldarg (mb, argnum);
6001 mono_mb_emit_icall (mb, conv_to_icall (conv));
6003 char *msg = g_strdup_printf ("stringbuilder marshalling conversion %d not implemented", encoding);
6004 MonoException *exc = mono_get_exception_not_implemented (msg);
6005 g_warning ("%s", msg);
6007 mono_raise_exception (exc);
6010 mono_mb_emit_stloc (mb, conv_arg);
6011 } else if (klass->blittable) {
6012 mono_mb_emit_byte (mb, CEE_LDNULL);
6013 mono_mb_emit_stloc (mb, conv_arg);
6015 mono_mb_emit_ldarg (mb, argnum);
6016 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6018 mono_mb_emit_ldarg (mb, argnum);
6019 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6020 mono_mb_emit_stloc (mb, conv_arg);
6022 mono_mb_patch_branch (mb, pos);
6025 mono_mb_emit_byte (mb, CEE_LDNULL);
6026 mono_mb_emit_stloc (mb, conv_arg);
6029 /* we dont need any conversions for out parameters */
6030 if (t->attrs & PARAM_ATTRIBUTE_OUT)
6033 mono_mb_emit_ldarg (mb, argnum);
6034 mono_mb_emit_byte (mb, CEE_LDIND_I);
6037 mono_mb_emit_ldarg (mb, argnum);
6038 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6039 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
6042 /* store the address of the source into local variable 0 */
6043 mono_mb_emit_stloc (mb, 0);
6044 mono_mb_emit_ldloc (mb, 0);
6045 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6047 /* allocate space for the native struct and store the address */
6048 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
6049 mono_mb_emit_byte (mb, CEE_PREFIX1);
6050 mono_mb_emit_byte (mb, CEE_LOCALLOC);
6051 mono_mb_emit_stloc (mb, conv_arg);
6054 /* Need to store the original buffer so we can free it later */
6055 m->orig_conv_args [argnum] = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6056 mono_mb_emit_ldloc (mb, conv_arg);
6057 mono_mb_emit_stloc (mb, m->orig_conv_args [argnum]);
6060 /* set the src_ptr */
6061 mono_mb_emit_ldloc (mb, 0);
6062 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6063 mono_mb_emit_stloc (mb, 0);
6066 mono_mb_emit_ldloc (mb, conv_arg);
6067 mono_mb_emit_stloc (mb, 1);
6069 /* emit valuetype conversion code */
6070 emit_struct_conv (mb, klass, FALSE);
6072 mono_mb_patch_branch (mb, pos);
6076 case MARSHAL_ACTION_CONV_OUT:
6077 if (klass == mono_defaults.stringbuilder_class) {
6079 MonoMarshalNative encoding;
6080 MonoMarshalConv conv;
6082 encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
6083 conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free);
6085 g_assert (!t->byref);
6086 g_assert (encoding != -1);
6088 mono_mb_emit_ldarg (mb, argnum);
6089 mono_mb_emit_ldloc (mb, conv_arg);
6091 mono_mb_emit_icall (mb, conv_to_icall (conv));
6094 mono_mb_emit_ldloc (mb, conv_arg);
6095 mono_mb_emit_icall (mb, mono_marshal_free);
6100 if (klass->delegate) {
6102 mono_mb_emit_ldarg (mb, argnum);
6103 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6104 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
6105 mono_mb_emit_ldloc (mb, conv_arg);
6106 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_FTN_DEL));
6107 mono_mb_emit_byte (mb, CEE_STIND_REF);
6112 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT)) {
6113 /* allocate a new object */
6114 mono_mb_emit_ldarg (mb, argnum);
6115 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6116 mono_mb_emit_op (mb, CEE_MONO_NEWOBJ, klass);
6117 mono_mb_emit_byte (mb, CEE_STIND_REF);
6120 /* dst = *argument */
6121 mono_mb_emit_ldarg (mb, argnum);
6124 mono_mb_emit_byte (mb, CEE_LDIND_I);
6126 mono_mb_emit_stloc (mb, 1);
6128 mono_mb_emit_ldloc (mb, 1);
6129 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6131 if (t->byref || (t->attrs & PARAM_ATTRIBUTE_OUT)) {
6132 mono_mb_emit_ldloc (mb, 1);
6133 mono_mb_emit_icon (mb, sizeof (MonoObject));
6134 mono_mb_emit_byte (mb, CEE_ADD);
6135 mono_mb_emit_stloc (mb, 1);
6137 /* src = tmp_locals [i] */
6138 mono_mb_emit_ldloc (mb, conv_arg);
6139 mono_mb_emit_stloc (mb, 0);
6141 /* emit valuetype conversion code */
6142 emit_struct_conv (mb, klass, TRUE);
6144 /* Free the structure returned by the native code */
6145 emit_struct_free (mb, klass, conv_arg);
6147 if (m->orig_conv_args [argnum]) {
6149 * If the native function changed the pointer, then free
6150 * the original structure plus the new pointer.
6152 mono_mb_emit_ldloc (mb, m->orig_conv_args [argnum]);
6153 mono_mb_emit_ldloc (mb, conv_arg);
6154 pos2 = mono_mb_emit_branch (mb, CEE_BEQ);
6156 if (!(t->attrs & PARAM_ATTRIBUTE_OUT)) {
6157 g_assert (m->orig_conv_args [argnum]);
6159 emit_struct_free (mb, klass, m->orig_conv_args [argnum]);
6162 mono_mb_emit_ldloc (mb, conv_arg);
6163 mono_mb_emit_icall (mb, g_free);
6165 mono_mb_patch_branch (mb, pos2);
6169 /* Free the original structure passed to native code */
6170 emit_struct_free (mb, klass, conv_arg);
6172 mono_mb_patch_branch (mb, pos);
6175 case MARSHAL_ACTION_PUSH:
6177 mono_mb_emit_ldloc_addr (mb, conv_arg);
6179 mono_mb_emit_ldloc (mb, conv_arg);
6182 case MARSHAL_ACTION_CONV_RESULT:
6183 if (klass->delegate) {
6184 g_assert (!t->byref);
6185 mono_mb_emit_stloc (mb, 0);
6186 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6187 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
6188 mono_mb_emit_ldloc (mb, 0);
6189 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_FTN_DEL));
6190 mono_mb_emit_stloc (mb, 3);
6193 mono_mb_emit_stloc (mb, 0);
6195 /* Make a copy since emit_conv modifies local 0 */
6196 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6197 mono_mb_emit_ldloc (mb, 0);
6198 mono_mb_emit_stloc (mb, loc);
6200 mono_mb_emit_byte (mb, CEE_LDNULL);
6201 mono_mb_emit_stloc (mb, 3);
6203 mono_mb_emit_ldloc (mb, 0);
6204 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6206 /* allocate result object */
6208 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6209 mono_mb_emit_op (mb, CEE_MONO_NEWOBJ, klass);
6210 mono_mb_emit_stloc (mb, 3);
6214 mono_mb_emit_ldloc (mb, 3);
6215 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6216 mono_mb_emit_stloc (mb, 1);
6218 /* emit conversion code */
6219 emit_struct_conv (mb, klass, TRUE);
6221 emit_struct_free (mb, klass, loc);
6223 /* Free the pointer allocated by unmanaged code */
6224 mono_mb_emit_ldloc (mb, loc);
6225 mono_mb_emit_icall (mb, g_free);
6226 mono_mb_patch_branch (mb, pos);
6230 case MARSHAL_ACTION_MANAGED_CONV_IN:
6231 conv_arg = mono_mb_add_local (mb, &klass->byval_arg);
6233 if (klass->delegate) {
6234 g_assert (!t->byref);
6235 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6236 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
6237 mono_mb_emit_ldarg (mb, argnum);
6238 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_FTN_DEL));
6239 mono_mb_emit_stloc (mb, conv_arg);
6243 if (klass == mono_defaults.stringbuilder_class) {
6244 MonoMarshalNative encoding;
6246 encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
6249 g_assert (encoding == MONO_NATIVE_LPSTR);
6251 g_assert (!t->byref);
6252 g_assert (encoding != -1);
6254 mono_mb_emit_ldarg (mb, argnum);
6255 mono_mb_emit_icall (mb, mono_string_utf8_to_builder2);
6256 mono_mb_emit_stloc (mb, conv_arg);
6260 /* The class can not have an automatic layout */
6261 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
6262 mono_mb_emit_auto_layout_exception (mb, klass);
6266 if (t->attrs & PARAM_ATTRIBUTE_OUT) {
6267 mono_mb_emit_byte (mb, CEE_LDNULL);
6268 mono_mb_emit_stloc (mb, conv_arg);
6273 mono_mb_emit_ldarg (mb, argnum);
6277 /* Check for NULL and raise an exception */
6278 pos2 = mono_mb_emit_branch (mb, CEE_BRTRUE);
6280 mono_mb_emit_exception (mb, "ArgumentNullException", NULL);
6282 mono_mb_patch_branch (mb, pos2);
6283 mono_mb_emit_ldarg (mb, argnum);
6284 mono_mb_emit_byte (mb, CEE_LDIND_I);
6287 mono_mb_emit_stloc (mb, 0);
6289 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
6290 mono_mb_emit_stloc (mb, conv_arg);
6292 mono_mb_emit_ldloc (mb, 0);
6293 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6295 /* Create and set dst */
6296 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6297 mono_mb_emit_op (mb, CEE_MONO_NEWOBJ, klass);
6298 mono_mb_emit_stloc (mb, conv_arg);
6299 mono_mb_emit_ldloc (mb, conv_arg);
6300 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6301 mono_mb_emit_stloc (mb, 1);
6303 /* emit valuetype conversion code */
6304 emit_struct_conv (mb, klass, TRUE);
6306 mono_mb_patch_branch (mb, pos);
6309 case MARSHAL_ACTION_MANAGED_CONV_OUT:
6311 /* Check for null */
6312 mono_mb_emit_ldloc (mb, conv_arg);
6313 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
6314 mono_mb_emit_ldarg (mb, argnum);
6315 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
6316 mono_mb_emit_byte (mb, CEE_STIND_REF);
6317 pos2 = mono_mb_emit_branch (mb, CEE_BR);
6319 mono_mb_patch_branch (mb, pos);
6322 mono_mb_emit_ldloc (mb, conv_arg);
6323 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6324 mono_mb_emit_stloc (mb, 0);
6326 /* Allocate and set dest */
6327 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
6328 mono_mb_emit_byte (mb, CEE_CONV_I);
6329 mono_mb_emit_icall (mb, mono_marshal_alloc);
6330 mono_mb_emit_stloc (mb, 1);
6332 /* Update argument pointer */
6333 mono_mb_emit_ldarg (mb, argnum);
6334 mono_mb_emit_ldloc (mb, 1);
6335 mono_mb_emit_byte (mb, CEE_STIND_I);
6337 /* emit valuetype conversion code */
6338 emit_struct_conv (mb, klass, FALSE);
6340 mono_mb_patch_branch (mb, pos2);
6342 /* byval [Out] marshalling */
6344 /* FIXME: Handle null */
6347 mono_mb_emit_ldloc (mb, conv_arg);
6348 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6349 mono_mb_emit_stloc (mb, 0);
6352 mono_mb_emit_ldarg (mb, argnum);
6353 mono_mb_emit_stloc (mb, 1);
6355 /* emit valuetype conversion code */
6356 emit_struct_conv (mb, klass, FALSE);
6360 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
6361 if (klass->delegate) {
6362 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_DEL_FTN));
6363 mono_mb_emit_stloc (mb, 3);
6367 /* The class can not have an automatic layout */
6368 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
6369 mono_mb_emit_auto_layout_exception (mb, klass);
6373 mono_mb_emit_stloc (mb, 0);
6374 /* Check for null */
6375 mono_mb_emit_ldloc (mb, 0);
6376 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
6377 mono_mb_emit_byte (mb, CEE_LDNULL);
6378 mono_mb_emit_stloc (mb, 3);
6379 pos2 = mono_mb_emit_branch (mb, CEE_BR);
6381 mono_mb_patch_branch (mb, pos);
6384 mono_mb_emit_ldloc (mb, 0);
6385 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6386 mono_mb_emit_stloc (mb, 0);
6388 /* Allocate and set dest */
6389 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
6390 mono_mb_emit_byte (mb, CEE_CONV_I);
6391 mono_mb_emit_icall (mb, mono_marshal_alloc);
6392 mono_mb_emit_byte (mb, CEE_DUP);
6393 mono_mb_emit_stloc (mb, 1);
6394 mono_mb_emit_stloc (mb, 3);
6396 emit_struct_conv (mb, klass, FALSE);
6398 mono_mb_patch_branch (mb, pos2);
6402 g_assert_not_reached ();
6409 emit_marshal_variant (EmitMarshalContext *m, int argnum, MonoType *t,
6410 MonoMarshalSpec *spec,
6411 int conv_arg, MonoType **conv_arg_type,
6412 MarshalAction action)
6414 MonoMethodBuilder *mb = m->mb;
6415 static MonoMethod *get_object_for_native_variant = NULL;
6416 static MonoMethod *get_native_variant_for_object = NULL;
6418 mono_init_com_types ();
6420 if (!get_object_for_native_variant)
6421 get_object_for_native_variant = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetObjectForNativeVariant", 1);
6422 g_assert (get_object_for_native_variant);
6424 if (!get_native_variant_for_object)
6425 get_native_variant_for_object = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetNativeVariantForObject", 2);
6426 g_assert (get_native_variant_for_object);
6429 case MARSHAL_ACTION_CONV_IN: {
6430 conv_arg = mono_mb_add_local (mb, &mono_defaults.variant_class->byval_arg);
6433 *conv_arg_type = &mono_defaults.variant_class->this_arg;
6435 *conv_arg_type = &mono_defaults.variant_class->byval_arg;
6437 if (t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && t->attrs & PARAM_ATTRIBUTE_OUT)
6440 mono_mb_emit_ldarg (mb, argnum);
6442 mono_mb_emit_byte(mb, CEE_LDIND_REF);
6443 mono_mb_emit_ldloc_addr (mb, conv_arg);
6444 mono_mb_emit_managed_call (mb, get_native_variant_for_object, NULL);
6448 case MARSHAL_ACTION_CONV_OUT: {
6449 static MonoMethod *variant_clear = NULL;
6452 variant_clear = mono_class_get_method_from_name (mono_defaults.variant_class, "Clear", 0);
6453 g_assert (variant_clear);
6456 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT || !(t->attrs & PARAM_ATTRIBUTE_IN))) {
6457 mono_mb_emit_ldarg (mb, argnum);
6458 mono_mb_emit_ldloc_addr (mb, conv_arg);
6459 mono_mb_emit_managed_call (mb, get_object_for_native_variant, NULL);
6460 mono_mb_emit_byte (mb, CEE_STIND_REF);
6463 mono_mb_emit_ldloc_addr (mb, conv_arg);
6464 mono_mb_emit_managed_call (mb, variant_clear, NULL);
6468 case MARSHAL_ACTION_PUSH:
6470 mono_mb_emit_ldloc_addr (mb, conv_arg);
6472 mono_mb_emit_ldloc (mb, conv_arg);
6475 case MARSHAL_ACTION_CONV_RESULT: {
6476 char *msg = g_strdup ("Marshalling of VARIANT not supported as a return type.");
6477 mono_mb_emit_exception_marshal_directive (mb, msg);
6481 case MARSHAL_ACTION_MANAGED_CONV_IN: {
6482 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
6485 *conv_arg_type = &mono_defaults.variant_class->this_arg;
6487 *conv_arg_type = &mono_defaults.variant_class->byval_arg;
6489 if (t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && t->attrs & PARAM_ATTRIBUTE_OUT)
6493 mono_mb_emit_ldarg (mb, argnum);
6495 mono_mb_emit_ldarg_addr (mb, argnum);
6496 mono_mb_emit_managed_call (mb, get_object_for_native_variant, NULL);
6497 mono_mb_emit_stloc (mb, conv_arg);
6501 case MARSHAL_ACTION_MANAGED_CONV_OUT: {
6502 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT || !(t->attrs & PARAM_ATTRIBUTE_IN))) {
6503 mono_mb_emit_ldloc (mb, conv_arg);
6504 mono_mb_emit_ldarg (mb, argnum);
6505 mono_mb_emit_managed_call (mb, get_native_variant_for_object, NULL);
6510 case MARSHAL_ACTION_MANAGED_CONV_RESULT: {
6511 char *msg = g_strdup ("Marshalling of VARIANT not supported as a return type.");
6512 mono_mb_emit_exception_marshal_directive (mb, msg);
6517 g_assert_not_reached ();
6524 emit_marshal_array (EmitMarshalContext *m, int argnum, MonoType *t,
6525 MonoMarshalSpec *spec,
6526 int conv_arg, MonoType **conv_arg_type,
6527 MarshalAction action)
6529 MonoMethodBuilder *mb = m->mb;
6530 MonoClass *klass = mono_class_from_mono_type (t);
6531 gboolean need_convert, need_free;
6532 MonoMarshalNative encoding;
6534 encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
6537 case MARSHAL_ACTION_CONV_IN:
6538 *conv_arg_type = &mono_defaults.object_class->byval_arg;
6539 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
6541 if (klass->element_class->blittable) {
6542 mono_mb_emit_ldarg (mb, argnum);
6544 mono_mb_emit_byte (mb, CEE_LDIND_I);
6545 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_ARRAY_LPARRAY));
6546 mono_mb_emit_stloc (mb, conv_arg);
6549 guint32 label1, label2, label3;
6550 int index_var, src_var, dest_ptr, esize;
6551 MonoMarshalConv conv;
6552 gboolean is_string = FALSE;
6554 dest_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6556 eklass = klass->element_class;
6558 if (eklass == mono_defaults.string_class) {
6560 conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
6562 else if (eklass == mono_defaults.stringbuilder_class) {
6564 conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
6569 src_var = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
6570 mono_mb_emit_ldarg (mb, argnum);
6572 mono_mb_emit_byte (mb, CEE_LDIND_I);
6573 mono_mb_emit_stloc (mb, src_var);
6576 mono_mb_emit_ldloc (mb, src_var);
6577 mono_mb_emit_stloc (mb, conv_arg);
6578 mono_mb_emit_ldloc (mb, src_var);
6579 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6583 char *msg = g_strdup_printf ("string/stringbuilder marshalling conversion %d not implemented", encoding);
6584 MonoException *exc = mono_get_exception_not_implemented (msg);
6585 g_warning ("%s", msg);
6587 mono_raise_exception (exc);
6592 esize = sizeof (gpointer);
6594 esize = mono_class_native_size (eklass, NULL);
6596 /* allocate space for the native struct and store the address */
6597 mono_mb_emit_icon (mb, esize);
6598 mono_mb_emit_ldloc (mb, src_var);
6599 mono_mb_emit_byte (mb, CEE_LDLEN);
6601 if (eklass == mono_defaults.string_class) {
6602 /* Make the array bigger for the terminating null */
6603 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
6604 mono_mb_emit_byte (mb, CEE_ADD);
6606 mono_mb_emit_byte (mb, CEE_MUL);
6607 mono_mb_emit_byte (mb, CEE_PREFIX1);
6608 mono_mb_emit_byte (mb, CEE_LOCALLOC);
6609 mono_mb_emit_stloc (mb, conv_arg);
6611 mono_mb_emit_ldloc (mb, conv_arg);
6612 mono_mb_emit_stloc (mb, dest_ptr);
6614 /* Emit marshalling loop */
6615 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6616 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
6617 mono_mb_emit_stloc (mb, index_var);
6618 label2 = mono_mb_get_label (mb);
6619 mono_mb_emit_ldloc (mb, index_var);
6620 mono_mb_emit_ldloc (mb, src_var);
6621 mono_mb_emit_byte (mb, CEE_LDLEN);
6622 label3 = mono_mb_emit_branch (mb, CEE_BGE);
6624 /* Emit marshalling code */
6627 mono_mb_emit_ldloc (mb, dest_ptr);
6628 mono_mb_emit_ldloc (mb, src_var);
6629 mono_mb_emit_ldloc (mb, index_var);
6630 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
6631 mono_mb_emit_icall (mb, conv_to_icall (conv));
6632 mono_mb_emit_byte (mb, CEE_STIND_I);
6634 /* set the src_ptr */
6635 mono_mb_emit_ldloc (mb, src_var);
6636 mono_mb_emit_ldloc (mb, index_var);
6637 mono_mb_emit_op (mb, CEE_LDELEMA, eklass);
6638 mono_mb_emit_stloc (mb, 0);
6641 mono_mb_emit_ldloc (mb, dest_ptr);
6642 mono_mb_emit_stloc (mb, 1);
6644 /* emit valuetype conversion code */
6645 emit_struct_conv (mb, eklass, FALSE);
6648 mono_mb_emit_add_to_local (mb, index_var, 1);
6649 mono_mb_emit_add_to_local (mb, dest_ptr, esize);
6651 mono_mb_emit_branch_label (mb, CEE_BR, label2);
6653 mono_mb_patch_branch (mb, label3);
6655 if (eklass == mono_defaults.string_class) {
6656 /* Null terminate */
6657 mono_mb_emit_ldloc (mb, dest_ptr);
6658 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
6659 mono_mb_emit_byte (mb, CEE_STIND_REF);
6662 mono_mb_patch_branch (mb, label1);
6667 case MARSHAL_ACTION_CONV_OUT:
6668 /* Unicode character arrays are implicitly marshalled as [Out] under MS.NET */
6669 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);
6670 need_free = mono_marshal_need_free (&klass->element_class->byval_arg,
6673 if (need_convert || need_free) {
6674 /* FIXME: Optimize blittable case */
6676 guint32 label1, label2, label3;
6677 int index_var, src_ptr, loc, esize;
6679 eklass = klass->element_class;
6680 if ((eklass == mono_defaults.stringbuilder_class) || (eklass == mono_defaults.string_class))
6681 esize = sizeof (gpointer);
6683 esize = mono_class_native_size (eklass, NULL);
6684 src_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6685 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6688 mono_mb_emit_ldarg (mb, argnum);
6690 mono_mb_emit_byte (mb, CEE_LDIND_I);
6691 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6693 mono_mb_emit_ldloc (mb, conv_arg);
6694 mono_mb_emit_stloc (mb, src_ptr);
6696 /* Emit marshalling loop */
6697 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6698 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
6699 mono_mb_emit_stloc (mb, index_var);
6700 label2 = mono_mb_get_label (mb);
6701 mono_mb_emit_ldloc (mb, index_var);
6702 mono_mb_emit_ldarg (mb, argnum);
6704 mono_mb_emit_byte (mb, CEE_LDIND_REF);
6705 mono_mb_emit_byte (mb, CEE_LDLEN);
6706 label3 = mono_mb_emit_branch (mb, CEE_BGE);
6708 /* Emit marshalling code */
6710 if (eklass == mono_defaults.stringbuilder_class) {
6711 gboolean need_free2;
6712 MonoMarshalConv conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free2);
6714 g_assert (conv != -1);
6717 mono_mb_emit_ldarg (mb, argnum);
6719 mono_mb_emit_byte (mb, CEE_LDIND_I);
6720 mono_mb_emit_ldloc (mb, index_var);
6721 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
6724 mono_mb_emit_ldloc (mb, src_ptr);
6725 mono_mb_emit_byte (mb, CEE_LDIND_I);
6727 mono_mb_emit_icall (mb, conv_to_icall (conv));
6731 mono_mb_emit_ldloc (mb, src_ptr);
6732 mono_mb_emit_byte (mb, CEE_LDIND_I);
6734 mono_mb_emit_icall (mb, mono_marshal_free);
6737 else if (eklass == mono_defaults.string_class) {
6740 mono_mb_emit_ldloc (mb, src_ptr);
6741 mono_mb_emit_byte (mb, CEE_LDIND_I);
6743 mono_mb_emit_icall (mb, mono_marshal_free);
6748 /* set the src_ptr */
6749 mono_mb_emit_ldloc (mb, src_ptr);
6750 mono_mb_emit_stloc (mb, 0);
6753 mono_mb_emit_ldarg (mb, argnum);
6755 mono_mb_emit_byte (mb, CEE_LDIND_REF);
6756 mono_mb_emit_ldloc (mb, index_var);
6757 mono_mb_emit_op (mb, CEE_LDELEMA, eklass);
6758 mono_mb_emit_stloc (mb, 1);
6760 /* emit valuetype conversion code */
6761 emit_struct_conv (mb, eklass, TRUE);
6765 mono_mb_emit_ldloc (mb, src_ptr);
6766 mono_mb_emit_stloc (mb, loc);
6767 mono_mb_emit_ldloc (mb, loc);
6769 emit_struct_free (mb, eklass, loc);
6773 mono_mb_emit_add_to_local (mb, index_var, 1);
6774 mono_mb_emit_add_to_local (mb, src_ptr, esize);
6776 mono_mb_emit_branch_label (mb, CEE_BR, label2);
6778 mono_mb_patch_branch (mb, label1);
6779 mono_mb_patch_branch (mb, label3);
6782 if (klass->element_class->blittable) {
6783 /* free memory allocated (if any) by MONO_MARSHAL_CONV_ARRAY_LPARRAY */
6785 mono_mb_emit_ldarg (mb, argnum);
6786 mono_mb_emit_ldloc (mb, conv_arg);
6787 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_FREE_LPARRAY));
6792 case MARSHAL_ACTION_PUSH:
6794 mono_mb_emit_ldloc_addr (mb, conv_arg);
6796 mono_mb_emit_ldloc (mb, conv_arg);
6799 case MARSHAL_ACTION_CONV_RESULT:
6800 /* fixme: we need conversions here */
6801 mono_mb_emit_stloc (mb, 3);
6804 case MARSHAL_ACTION_MANAGED_CONV_IN: {
6806 guint32 label1, label2, label3;
6807 int index_var, src_ptr, loc, esize, param_num, num_elem;
6808 MonoMarshalConv conv;
6809 gboolean is_string = FALSE;
6811 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
6812 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6815 char *msg = g_strdup ("Byref array marshalling to managed code is not implemented.");
6816 mono_mb_emit_exception_marshal_directive (mb, msg);
6820 char *msg = g_strdup ("[MarshalAs] attribute required to marshal arrays to managed code.");
6821 mono_mb_emit_exception_marshal_directive (mb, msg);
6824 if (spec->native != MONO_NATIVE_LPARRAY) {
6825 char *msg = g_strdup ("Non LPArray marshalling of arrays to managed code is not implemented.");
6826 mono_mb_emit_exception_marshal_directive (mb, msg);
6830 /* FIXME: t is from the method which is wrapped, not the delegate type */
6831 /* g_assert (t->attrs & PARAM_ATTRIBUTE_IN); */
6833 param_num = spec->data.array_data.param_num;
6834 num_elem = spec->data.array_data.num_elem;
6835 if (spec->data.array_data.elem_mult == 0)
6836 /* param_num is not specified */
6839 if (param_num == -1) {
6840 if (num_elem <= 0) {
6841 char *msg = g_strdup ("Either SizeConst or SizeParamIndex should be specified when marshalling arrays to managed code.");
6842 mono_mb_emit_exception_marshal_directive (mb, msg);
6847 /* FIXME: Optimize blittable case */
6849 eklass = klass->element_class;
6850 if (eklass == mono_defaults.string_class) {
6852 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
6854 else if (eklass == mono_defaults.stringbuilder_class) {
6856 conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free);
6861 mono_marshal_load_type_info (eklass);
6864 esize = sizeof (gpointer);
6866 esize = mono_class_native_size (eklass, NULL);
6867 src_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6868 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6870 mono_mb_emit_byte (mb, CEE_LDNULL);
6871 mono_mb_emit_stloc (mb, conv_arg);
6873 /* Check param index */
6874 if (param_num != -1) {
6875 if (param_num >= m->sig->param_count) {
6876 char *msg = g_strdup ("Array size control parameter index is out of range.");
6877 mono_mb_emit_exception_marshal_directive (mb, msg);
6880 switch (m->sig->params [param_num]->type) {
6893 char *msg = g_strdup ("Array size control parameter must be an integral type.");
6894 mono_mb_emit_exception_marshal_directive (mb, msg);
6901 mono_mb_emit_ldarg (mb, argnum);
6902 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6904 mono_mb_emit_ldarg (mb, argnum);
6905 mono_mb_emit_stloc (mb, src_ptr);
6907 /* Create managed array */
6909 * The LPArray marshalling spec says that sometimes param_num starts
6910 * from 1, sometimes it starts from 0. But MS seems to allways start
6914 if (param_num == -1)
6915 mono_mb_emit_icon (mb, num_elem);
6917 /* FIXME: Add the two together */
6918 mono_mb_emit_ldarg (mb, param_num);
6920 mono_mb_emit_icon (mb, num_elem);
6921 mono_mb_emit_byte (mb, CEE_ADD);
6925 mono_mb_emit_op (mb, CEE_NEWARR, eklass);
6926 mono_mb_emit_stloc (mb, conv_arg);
6928 if (eklass->blittable) {
6929 mono_mb_emit_ldloc (mb, conv_arg);
6930 mono_mb_emit_byte (mb, CEE_CONV_I);
6931 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArray, vector));
6932 mono_mb_emit_byte (mb, CEE_ADD);
6933 mono_mb_emit_ldarg (mb, argnum);
6934 mono_mb_emit_ldloc (mb, conv_arg);
6935 mono_mb_emit_byte (mb, CEE_LDLEN);
6936 mono_mb_emit_icon (mb, esize);
6937 mono_mb_emit_byte (mb, CEE_MUL);
6938 mono_mb_emit_byte (mb, CEE_PREFIX1);
6939 mono_mb_emit_byte (mb, CEE_CPBLK);
6943 /* Emit marshalling loop */
6944 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6945 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
6946 mono_mb_emit_stloc (mb, index_var);
6947 label2 = mono_mb_get_label (mb);
6948 mono_mb_emit_ldloc (mb, index_var);
6949 mono_mb_emit_ldloc (mb, conv_arg);
6950 mono_mb_emit_byte (mb, CEE_LDLEN);
6951 label3 = mono_mb_emit_branch (mb, CEE_BGE);
6953 /* Emit marshalling code */
6955 g_assert (conv != -1);
6957 mono_mb_emit_ldloc (mb, conv_arg);
6958 mono_mb_emit_ldloc (mb, index_var);
6960 mono_mb_emit_ldloc (mb, src_ptr);
6961 mono_mb_emit_byte (mb, CEE_LDIND_I);
6963 mono_mb_emit_icall (mb, conv_to_icall (conv));
6964 mono_mb_emit_byte (mb, CEE_STELEM_REF);
6967 char *msg = g_strdup ("Marshalling of non-string and non-blittable arrays to managed code is not implemented.");
6968 mono_mb_emit_exception_marshal_directive (mb, msg);
6972 mono_mb_emit_add_to_local (mb, index_var, 1);
6973 mono_mb_emit_add_to_local (mb, src_ptr, esize);
6975 mono_mb_emit_branch_label (mb, CEE_BR, label2);
6977 mono_mb_patch_branch (mb, label1);
6978 mono_mb_patch_branch (mb, label3);
6982 case MARSHAL_ACTION_MANAGED_CONV_OUT: {
6984 guint32 label1, label2, label3;
6985 int index_var, dest_ptr, loc, esize, param_num, num_elem;
6986 MonoMarshalConv conv;
6987 gboolean is_string = FALSE;
6990 /* Already handled in CONV_IN */
6993 /* These are already checked in CONV_IN */
6994 g_assert (!t->byref);
6995 g_assert (spec->native == MONO_NATIVE_LPARRAY);
6996 g_assert (t->attrs & PARAM_ATTRIBUTE_OUT);
6998 param_num = spec->data.array_data.param_num;
6999 num_elem = spec->data.array_data.num_elem;
7001 if (spec->data.array_data.elem_mult == 0)
7002 /* param_num is not specified */
7005 if (param_num == -1) {
7006 if (num_elem <= 0) {
7007 g_assert_not_reached ();
7011 /* FIXME: Optimize blittable case */
7013 eklass = klass->element_class;
7014 if (eklass == mono_defaults.string_class) {
7016 conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
7018 else if (eklass == mono_defaults.stringbuilder_class) {
7020 conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
7025 mono_marshal_load_type_info (eklass);
7028 esize = sizeof (gpointer);
7030 esize = mono_class_native_size (eklass, NULL);
7032 dest_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7033 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7036 mono_mb_emit_ldloc (mb, conv_arg);
7037 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
7039 mono_mb_emit_ldarg (mb, argnum);
7040 mono_mb_emit_stloc (mb, dest_ptr);
7042 if (eklass->blittable) {
7044 mono_mb_emit_ldarg (mb, argnum);
7046 mono_mb_emit_ldloc (mb, conv_arg);
7047 mono_mb_emit_byte (mb, CEE_CONV_I);
7048 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArray, vector));
7049 mono_mb_emit_byte (mb, CEE_ADD);
7051 mono_mb_emit_ldloc (mb, conv_arg);
7052 mono_mb_emit_byte (mb, CEE_LDLEN);
7053 mono_mb_emit_icon (mb, esize);
7054 mono_mb_emit_byte (mb, CEE_MUL);
7055 mono_mb_emit_byte (mb, CEE_PREFIX1);
7056 mono_mb_emit_byte (mb, CEE_CPBLK);
7060 /* Emit marshalling loop */
7061 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7062 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7063 mono_mb_emit_stloc (mb, index_var);
7064 label2 = mono_mb_get_label (mb);
7065 mono_mb_emit_ldloc (mb, index_var);
7066 mono_mb_emit_ldloc (mb, conv_arg);
7067 mono_mb_emit_byte (mb, CEE_LDLEN);
7068 label3 = mono_mb_emit_branch (mb, CEE_BGE);
7070 /* Emit marshalling code */
7072 g_assert (conv != -1);
7075 mono_mb_emit_ldloc (mb, dest_ptr);
7078 mono_mb_emit_ldloc (mb, conv_arg);
7079 mono_mb_emit_ldloc (mb, index_var);
7081 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
7083 mono_mb_emit_icall (mb, conv_to_icall (conv));
7084 mono_mb_emit_byte (mb, CEE_STIND_I);
7087 char *msg = g_strdup ("Marshalling of non-string and non-blittable arrays to managed code is not implemented.");
7088 mono_mb_emit_exception_marshal_directive (mb, msg);
7092 mono_mb_emit_add_to_local (mb, index_var, 1);
7093 mono_mb_emit_add_to_local (mb, dest_ptr, esize);
7095 mono_mb_emit_branch_label (mb, CEE_BR, label2);
7097 mono_mb_patch_branch (mb, label1);
7098 mono_mb_patch_branch (mb, label3);
7102 case MARSHAL_ACTION_MANAGED_CONV_RESULT: {
7104 guint32 label1, label2, label3;
7105 int index_var, src, dest, esize;
7106 MonoMarshalConv conv = -1;
7107 gboolean is_string = FALSE;
7109 g_assert (!t->byref);
7111 eklass = klass->element_class;
7113 mono_marshal_load_type_info (eklass);
7115 if (eklass == mono_defaults.string_class) {
7117 conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
7120 g_assert_not_reached ();
7124 esize = sizeof (gpointer);
7126 esize = mono_class_native_size (eklass, NULL);
7128 src = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
7129 dest = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7131 mono_mb_emit_stloc (mb, src);
7132 mono_mb_emit_ldloc (mb, src);
7133 mono_mb_emit_stloc (mb, 3);
7135 /* Check for null */
7136 mono_mb_emit_ldloc (mb, src);
7137 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
7139 /* Allocate native array */
7140 mono_mb_emit_icon (mb, esize);
7141 mono_mb_emit_ldloc (mb, src);
7142 mono_mb_emit_byte (mb, CEE_LDLEN);
7144 if (eklass == mono_defaults.string_class) {
7145 /* Make the array bigger for the terminating null */
7146 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
7147 mono_mb_emit_byte (mb, CEE_ADD);
7149 mono_mb_emit_byte (mb, CEE_MUL);
7150 mono_mb_emit_icall (mb, mono_marshal_alloc);
7151 mono_mb_emit_stloc (mb, dest);
7152 mono_mb_emit_ldloc (mb, dest);
7153 mono_mb_emit_stloc (mb, 3);
7155 /* Emit marshalling loop */
7156 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7157 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7158 mono_mb_emit_stloc (mb, index_var);
7159 label2 = mono_mb_get_label (mb);
7160 mono_mb_emit_ldloc (mb, index_var);
7161 mono_mb_emit_ldloc (mb, src);
7162 mono_mb_emit_byte (mb, CEE_LDLEN);
7163 label3 = mono_mb_emit_branch (mb, CEE_BGE);
7165 /* Emit marshalling code */
7167 g_assert (conv != -1);
7170 mono_mb_emit_ldloc (mb, dest);
7173 mono_mb_emit_ldloc (mb, src);
7174 mono_mb_emit_ldloc (mb, index_var);
7176 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
7178 mono_mb_emit_icall (mb, conv_to_icall (conv));
7179 mono_mb_emit_byte (mb, CEE_STIND_I);
7182 char *msg = g_strdup ("Marshalling of non-string arrays to managed code is not implemented.");
7183 mono_mb_emit_exception_marshal_directive (mb, msg);
7187 mono_mb_emit_add_to_local (mb, index_var, 1);
7188 mono_mb_emit_add_to_local (mb, dest, esize);
7190 mono_mb_emit_branch_label (mb, CEE_BR, label2);
7192 mono_mb_patch_branch (mb, label3);
7193 mono_mb_patch_branch (mb, label1);
7197 g_assert_not_reached ();
7204 emit_marshal_boolean (EmitMarshalContext *m, int argnum, MonoType *t,
7205 MonoMarshalSpec *spec,
7206 int conv_arg, MonoType **conv_arg_type,
7207 MarshalAction action)
7209 MonoMethodBuilder *mb = m->mb;
7212 case MARSHAL_ACTION_CONV_IN: {
7213 MonoType *local_type;
7215 guint8 ldc_op = CEE_LDC_I4_1;
7218 local_type = &mono_defaults.int32_class->byval_arg;
7220 switch (spec->native) {
7221 case MONO_NATIVE_I1:
7222 case MONO_NATIVE_U1:
7223 local_type = &mono_defaults.byte_class->byval_arg;
7225 case MONO_NATIVE_VARIANTBOOL:
7226 local_type = &mono_defaults.int16_class->byval_arg;
7227 ldc_op = CEE_LDC_I4_M1;
7229 case MONO_NATIVE_BOOLEAN:
7230 local_type = &mono_defaults.int32_class->byval_arg;
7233 g_warning ("marshalling bool as native type %x is currently not supported", spec->native);
7234 local_type = &mono_defaults.int32_class->byval_arg;
7239 *conv_arg_type = &mono_defaults.int_class->byval_arg;
7241 *conv_arg_type = local_type;
7242 conv_arg = mono_mb_add_local (mb, local_type);
7244 mono_mb_emit_ldarg (mb, argnum);
7246 mono_mb_emit_byte (mb, CEE_LDIND_I1);
7247 label_false = mono_mb_emit_branch (mb, CEE_BRFALSE);
7248 mono_mb_emit_byte (mb, ldc_op);
7249 mono_mb_emit_stloc (mb, conv_arg);
7250 mono_mb_patch_branch (mb, label_false);
7255 case MARSHAL_ACTION_CONV_OUT:
7257 int label_false, label_end;
7261 mono_mb_emit_ldarg (mb, argnum);
7262 mono_mb_emit_ldloc (mb, conv_arg);
7264 label_false = mono_mb_emit_branch (mb, CEE_BRFALSE);
7265 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
7267 label_end = mono_mb_emit_branch (mb, CEE_BR);
7268 mono_mb_patch_branch (mb, label_false);
7269 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7270 mono_mb_patch_branch (mb, label_end);
7272 mono_mb_emit_byte (mb, CEE_STIND_I1);
7276 case MARSHAL_ACTION_PUSH:
7278 mono_mb_emit_ldloc_addr (mb, conv_arg);
7280 mono_mb_emit_ldloc (mb, conv_arg);
7282 mono_mb_emit_ldarg (mb, argnum);
7285 case MARSHAL_ACTION_CONV_RESULT:
7286 /* maybe we need to make sure that it fits within 8 bits */
7287 mono_mb_emit_stloc (mb, 3);
7290 case MARSHAL_ACTION_MANAGED_CONV_IN: {
7291 MonoClass* conv_arg_class = mono_defaults.int32_class;
7292 guint8 ldop = CEE_LDIND_I4;
7293 int label_null, label_false;
7295 conv_arg = mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
7298 switch (spec->native) {
7299 case MONO_NATIVE_I1:
7300 case MONO_NATIVE_U1:
7301 conv_arg_class = mono_defaults.byte_class;
7302 ldop = CEE_LDIND_I1;
7304 case MONO_NATIVE_VARIANTBOOL:
7305 conv_arg_class = mono_defaults.int16_class;
7306 ldop = CEE_LDIND_I2;
7308 case MONO_NATIVE_BOOLEAN:
7311 g_warning ("marshalling bool as native type %x is currently not supported", spec->native);
7316 *conv_arg_type = &conv_arg_class->this_arg;
7318 *conv_arg_type = &conv_arg_class->byval_arg;
7321 mono_mb_emit_ldarg (mb, argnum);
7326 label_null = mono_mb_emit_branch (mb, CEE_BRFALSE);
7327 mono_mb_emit_ldarg (mb, argnum);
7328 mono_mb_emit_byte (mb, ldop);
7331 label_false = mono_mb_emit_branch (mb, CEE_BRFALSE);
7332 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
7333 mono_mb_emit_stloc (mb, conv_arg);
7334 mono_mb_patch_branch (mb, label_false);
7337 mono_mb_patch_branch (mb, label_null);
7341 case MARSHAL_ACTION_MANAGED_CONV_OUT: {
7342 guint8 stop = CEE_STIND_I4;
7343 guint8 ldc_op = CEE_LDC_I4_1;
7344 int label_null,label_false, label_end;;
7349 switch (spec->native) {
7350 case MONO_NATIVE_I1:
7351 case MONO_NATIVE_U1:
7352 stop = CEE_STIND_I1;
7354 case MONO_NATIVE_VARIANTBOOL:
7355 stop = CEE_STIND_I2;
7356 ldc_op = CEE_LDC_I4_M1;
7364 mono_mb_emit_ldarg (mb, argnum);
7365 label_null = mono_mb_emit_branch (mb, CEE_BRFALSE);
7367 mono_mb_emit_ldarg (mb, argnum);
7368 mono_mb_emit_ldloc (mb, conv_arg);
7370 label_false = mono_mb_emit_branch (mb, CEE_BRFALSE);
7371 mono_mb_emit_byte (mb, ldc_op);
7372 label_end = mono_mb_emit_branch (mb, CEE_BR);
7374 mono_mb_patch_branch (mb, label_false);
7375 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7376 mono_mb_patch_branch (mb, label_end);
7378 mono_mb_emit_byte (mb, stop);
7379 mono_mb_patch_branch (mb, label_null);
7384 g_assert_not_reached ();
7391 emit_marshal_ptr (EmitMarshalContext *m, int argnum, MonoType *t,
7392 MonoMarshalSpec *spec, int conv_arg,
7393 MonoType **conv_arg_type, MarshalAction action)
7395 MonoMethodBuilder *mb = m->mb;
7398 case MARSHAL_ACTION_CONV_IN:
7399 if (MONO_TYPE_ISSTRUCT (t->data.type) && !mono_class_from_mono_type (t->data.type)->blittable) {
7400 char *msg = g_strdup_printf ("Can not marshal 'parameter #%d': Pointers can not reference marshaled structures. Use byref instead.", argnum + 1);
7401 mono_mb_emit_exception_marshal_directive (m->mb, msg);
7405 case MARSHAL_ACTION_PUSH:
7406 mono_mb_emit_ldarg (mb, argnum);
7409 case MARSHAL_ACTION_CONV_RESULT:
7410 /* no conversions necessary */
7411 mono_mb_emit_stloc (mb, 3);
7422 emit_marshal_char (EmitMarshalContext *m, int argnum, MonoType *t,
7423 MonoMarshalSpec *spec, int conv_arg,
7424 MonoType **conv_arg_type, MarshalAction action)
7426 MonoMethodBuilder *mb = m->mb;
7429 case MARSHAL_ACTION_PUSH:
7430 /* fixme: dont know how to marshal that. We cant simply
7431 * convert it to a one byte UTF8 character, because an
7432 * unicode character may need more that one byte in UTF8 */
7433 mono_mb_emit_ldarg (mb, argnum);
7436 case MARSHAL_ACTION_CONV_RESULT:
7437 /* fixme: we need conversions here */
7438 mono_mb_emit_stloc (mb, 3);
7449 emit_marshal_scalar (EmitMarshalContext *m, int argnum, MonoType *t,
7450 MonoMarshalSpec *spec, int conv_arg,
7451 MonoType **conv_arg_type, MarshalAction action)
7453 MonoMethodBuilder *mb = m->mb;
7456 case MARSHAL_ACTION_PUSH:
7457 mono_mb_emit_ldarg (mb, argnum);
7460 case MARSHAL_ACTION_CONV_RESULT:
7461 /* no conversions necessary */
7462 mono_mb_emit_stloc (mb, 3);
7473 emit_marshal (EmitMarshalContext *m, int argnum, MonoType *t,
7474 MonoMarshalSpec *spec, int conv_arg,
7475 MonoType **conv_arg_type, MarshalAction action)
7477 /* Ensure that we have marshalling info for this param */
7478 mono_marshal_load_type_info (mono_class_from_mono_type (t));
7480 if (spec && spec->native == MONO_NATIVE_CUSTOM)
7481 return emit_marshal_custom (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7483 if (spec && spec->native == MONO_NATIVE_ASANY)
7484 return emit_marshal_asany (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7487 case MONO_TYPE_VALUETYPE:
7488 if (t->data.klass == mono_defaults.handleref_class)
7489 return emit_marshal_handleref (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7491 return emit_marshal_vtype (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7492 case MONO_TYPE_STRING:
7493 return emit_marshal_string (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7494 case MONO_TYPE_CLASS:
7495 case MONO_TYPE_OBJECT:
7496 if (spec && spec->native == MONO_NATIVE_STRUCT)
7497 return emit_marshal_variant (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7500 if (spec && (spec->native == MONO_NATIVE_IUNKNOWN ||
7501 spec->native == MONO_NATIVE_IDISPATCH ||
7502 spec->native == MONO_NATIVE_INTERFACE))
7503 return mono_cominterop_emit_marshal_com_interface (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7504 if (spec && (spec->native == MONO_NATIVE_SAFEARRAY) &&
7505 (spec->data.safearray_data.elem_type == MONO_VARIANT_VARIANT) &&
7506 (action == MARSHAL_ACTION_CONV_OUT))
7507 return mono_cominterop_emit_marshal_safearray (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7510 if (mono_defaults.safehandle_class != NULL && t->data.klass &&
7511 mono_class_is_subclass_of (t->data.klass, mono_defaults.safehandle_class, FALSE))
7512 return emit_marshal_safehandle (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7514 return emit_marshal_object (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7515 case MONO_TYPE_ARRAY:
7516 case MONO_TYPE_SZARRAY:
7517 return emit_marshal_array (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7518 case MONO_TYPE_BOOLEAN:
7519 return emit_marshal_boolean (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7521 return emit_marshal_ptr (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7522 case MONO_TYPE_CHAR:
7523 return emit_marshal_char (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7536 case MONO_TYPE_FNPTR:
7537 return emit_marshal_scalar (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7538 case MONO_TYPE_GENERICINST:
7539 if (mono_type_generic_inst_is_valuetype (t))
7540 return emit_marshal_vtype (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7542 return emit_marshal_object (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7549 * mono_marshal_emit_native_wrapper:
7550 * @image: the image to use for looking up custom marshallers
7551 * @sig: The signature of the native function
7552 * @piinfo: Marshalling information
7553 * @mspecs: Marshalling information
7554 * @aot: whenever the created method will be compiled by the AOT compiler
7555 * @method: if non-NULL, the pinvoke method to call
7556 * @check_exceptions: Whenever to check for pending exceptions after the native call
7558 * generates IL code for the pinvoke wrapper, the generated code calls @func.
7561 mono_marshal_emit_native_wrapper (MonoImage *image, MonoMethodBuilder *mb, MonoMethodSignature *sig, MonoMethodPInvoke *piinfo, MonoMarshalSpec **mspecs, gpointer func, gboolean aot, gboolean check_exceptions)
7563 EmitMarshalContext m;
7564 MonoMethodSignature *csig;
7566 int i, argnum, *tmp_locals;
7568 static MonoMethodSignature *get_last_error_sig = NULL;
7573 /* we copy the signature, so that we can set pinvoke to 0 */
7574 csig = signature_dup (mb->method->klass->image, sig);
7579 /* we allocate local for use with emit_struct_conv() */
7580 /* allocate local 0 (pointer) src_ptr */
7581 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7582 /* allocate local 1 (pointer) dst_ptr */
7583 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7584 /* allocate local 2 (boolean) delete_old */
7585 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
7587 /* delete_old = FALSE */
7588 mono_mb_emit_icon (mb, 0);
7589 mono_mb_emit_stloc (mb, 2);
7591 if (!MONO_TYPE_IS_VOID(sig->ret)) {
7592 /* allocate local 3 to store the return value */
7593 mono_mb_add_local (mb, sig->ret);
7596 if (mspecs [0] && mspecs [0]->native == MONO_NATIVE_CUSTOM) {
7597 /* Return type custom marshaling */
7599 * Since we can't determine the return type of the unmanaged function,
7600 * we assume it returns a pointer, and pass that pointer to
7601 * MarshalNativeToManaged.
7603 csig->ret = &mono_defaults.int_class->byval_arg;
7606 /* we first do all conversions */
7607 tmp_locals = alloca (sizeof (int) * sig->param_count);
7608 m.orig_conv_args = alloca (sizeof (int) * (sig->param_count + 1));
7610 for (i = 0; i < sig->param_count; i ++) {
7611 tmp_locals [i] = emit_marshal (&m, i + sig->hasthis, sig->params [i], mspecs [i + 1], 0, &csig->params [i], MARSHAL_ACTION_CONV_IN);
7614 /* push all arguments */
7617 mono_mb_emit_byte (mb, CEE_LDARG_0);
7619 for (i = 0; i < sig->param_count; i++) {
7620 emit_marshal (&m, i + sig->hasthis, sig->params [i], mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_PUSH);
7623 /* call the native method */
7624 if (MONO_CLASS_IS_IMPORT (mb->method->klass)) {
7626 mono_mb_emit_cominterop_call (mb, csig, &piinfo->method);
7628 g_assert_not_reached ();
7633 /* Reuse the ICALL_ADDR opcode for pinvokes too */
7634 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
7635 mono_mb_emit_op (mb, CEE_MONO_ICALL_ADDR, &piinfo->method);
7636 mono_mb_emit_calli (mb, csig);
7638 mono_mb_emit_native_call (mb, csig, func);
7642 /* Set LastError if needed */
7643 if (piinfo->piflags & PINVOKE_ATTRIBUTE_SUPPORTS_LAST_ERROR) {
7644 if (!get_last_error_sig) {
7645 get_last_error_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
7646 get_last_error_sig->ret = &mono_defaults.int_class->byval_arg;
7647 get_last_error_sig->pinvoke = 1;
7650 #ifdef PLATFORM_WIN32
7652 * Have to call GetLastError () early and without a wrapper, since various runtime components could
7653 * clobber its value.
7655 mono_mb_emit_native_call (mb, get_last_error_sig, GetLastError);
7656 mono_mb_emit_icall (mb, mono_marshal_set_last_error_windows);
7658 mono_mb_emit_icall (mb, mono_marshal_set_last_error);
7662 /* convert the result */
7663 if (!sig->ret->byref) {
7664 MonoMarshalSpec *spec = mspecs [0];
7665 type = sig->ret->type;
7667 if (spec && spec->native == MONO_NATIVE_CUSTOM) {
7668 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
7673 case MONO_TYPE_VOID:
7675 case MONO_TYPE_VALUETYPE:
7676 klass = sig->ret->data.klass;
7677 if (klass->enumtype) {
7678 type = mono_class_enum_basetype (sig->ret->data.klass)->type;
7681 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
7695 case MONO_TYPE_FNPTR:
7696 case MONO_TYPE_STRING:
7697 case MONO_TYPE_CLASS:
7698 case MONO_TYPE_OBJECT:
7699 case MONO_TYPE_BOOLEAN:
7700 case MONO_TYPE_ARRAY:
7701 case MONO_TYPE_SZARRAY:
7702 case MONO_TYPE_CHAR:
7704 case MONO_TYPE_GENERICINST:
7705 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
7707 case MONO_TYPE_TYPEDBYREF:
7709 g_warning ("return type 0x%02x unknown", sig->ret->type);
7710 g_assert_not_reached ();
7714 mono_mb_emit_stloc (mb, 3);
7718 * Need to call this after converting the result since MONO_VTADDR needs
7719 * to be adjacent to the call instruction.
7721 if (check_exceptions)
7722 emit_thread_interrupt_checkpoint (mb);
7724 /* we need to convert byref arguments back and free string arrays */
7725 for (i = 0; i < sig->param_count; i++) {
7726 MonoType *t = sig->params [i];
7727 MonoMarshalSpec *spec = mspecs [i + 1];
7729 argnum = i + sig->hasthis;
7731 if (spec && ((spec->native == MONO_NATIVE_CUSTOM) || (spec->native == MONO_NATIVE_ASANY))) {
7732 emit_marshal (&m, argnum, t, spec, tmp_locals [i], NULL, MARSHAL_ACTION_CONV_OUT);
7737 case MONO_TYPE_STRING:
7738 case MONO_TYPE_VALUETYPE:
7739 case MONO_TYPE_CLASS:
7740 case MONO_TYPE_OBJECT:
7741 case MONO_TYPE_SZARRAY:
7742 case MONO_TYPE_BOOLEAN:
7743 emit_marshal (&m, argnum, t, spec, tmp_locals [i], NULL, MARSHAL_ACTION_CONV_OUT);
7748 if (!MONO_TYPE_IS_VOID(sig->ret))
7749 mono_mb_emit_ldloc (mb, 3);
7751 mono_mb_emit_byte (mb, CEE_RET);
7755 * mono_marshal_get_native_wrapper:
7756 * @method: The MonoMethod to wrap.
7757 * @check_exceptions: Whenever to check for pending exceptions
7759 * generates IL code for the pinvoke wrapper (the generated method
7760 * calls the unmanaged code in piinfo->addr)
7763 mono_marshal_get_native_wrapper (MonoMethod *method, gboolean check_exceptions, gboolean aot)
7765 MonoMethodSignature *sig, *csig;
7766 MonoMethodPInvoke *piinfo = (MonoMethodPInvoke *) method;
7767 MonoMethodBuilder *mb;
7768 MonoMarshalSpec **mspecs;
7771 gboolean pinvoke = FALSE;
7774 const char *exc_class = "MissingMethodException";
7775 const char *exc_arg = NULL;
7777 g_assert (method != NULL);
7778 g_assert (mono_method_signature (method)->pinvoke);
7781 cache = get_cache (&method->klass->image->native_wrapper_aot_cache, mono_aligned_addr_hash, NULL);
7783 cache = get_cache (&method->klass->image->native_wrapper_cache, mono_aligned_addr_hash, NULL);
7784 if ((res = mono_marshal_find_in_cache (cache, method)))
7787 if (MONO_CLASS_IS_IMPORT (method->klass)) {
7789 return mono_cominterop_get_native_wrapper (method);
7791 g_assert_not_reached ();
7795 sig = mono_method_signature (method);
7797 if (!(method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
7798 (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL))
7801 if (!piinfo->addr) {
7803 if (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)
7804 exc_arg = "Method contains unsupported native code";
7806 mono_lookup_pinvoke_call (method, &exc_class, &exc_arg);
7808 piinfo->addr = mono_lookup_internal_call (method);
7811 /* hack - redirect certain string constructors to CreateString */
7812 if (piinfo->addr == ves_icall_System_String_ctor_RedirectToCreateString) {
7813 g_assert (!pinvoke);
7814 g_assert (method->string_ctor);
7815 g_assert (sig->hasthis);
7817 /* CreateString returns a value */
7818 csig = signature_dup (method->klass->image, sig);
7819 csig->ret = &mono_defaults.string_class->byval_arg;
7823 while ((res = mono_class_get_methods (mono_defaults.string_class, &iter))) {
7824 if (!strcmp ("CreateString", res->name) &&
7825 mono_metadata_signature_equal (csig, mono_method_signature (res))) {
7827 g_assert (!(res->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL));
7828 g_assert (!(res->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL));
7830 /* create a wrapper to preserve .ctor in stack trace */
7831 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_MANAGED_TO_MANAGED);
7833 mono_mb_emit_byte (mb, CEE_LDARG_0);
7834 for (i = 1; i <= csig->param_count; i++)
7835 mono_mb_emit_ldarg (mb, i);
7836 mono_mb_emit_managed_call (mb, res, NULL);
7837 mono_mb_emit_byte (mb, CEE_RET);
7839 /* use native_wrapper_cache because internal calls are looked up there */
7840 res = mono_mb_create_and_cache (cache, method,
7841 mb, csig, csig->param_count + 1);
7849 /* exception will be thrown */
7850 piinfo->addr = NULL;
7851 g_warning ("cannot find CreateString for .ctor");
7854 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_MANAGED_TO_NATIVE);
7856 mb->method->save_lmf = 1;
7859 * In AOT mode and embedding scenarios, it is possible that the icall is not
7860 * registered in the runtime doing the AOT compilation.
7862 if (!piinfo->addr && !aot) {
7863 mono_mb_emit_exception (mb, exc_class, exc_arg);
7864 csig = signature_dup (method->klass->image, sig);
7866 res = mono_mb_create_and_cache (cache, method,
7867 mb, csig, csig->param_count + 16);
7872 /* internal calls: we simply push all arguments and call the method (no conversions) */
7873 if (method->iflags & (METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL | METHOD_IMPL_ATTRIBUTE_RUNTIME)) {
7875 /* hack - string constructors returns a value */
7876 if (method->string_ctor) {
7877 csig = signature_dup (method->klass->image, sig);
7878 csig->ret = &mono_defaults.string_class->byval_arg;
7883 mono_mb_emit_byte (mb, CEE_LDARG_0);
7885 for (i = 0; i < sig->param_count; i++)
7886 mono_mb_emit_ldarg (mb, i + sig->hasthis);
7889 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
7890 mono_mb_emit_op (mb, CEE_MONO_ICALL_ADDR, &piinfo->method);
7891 mono_mb_emit_calli (mb, csig);
7893 g_assert (piinfo->addr);
7894 mono_mb_emit_native_call (mb, csig, piinfo->addr);
7896 if (check_exceptions)
7897 emit_thread_interrupt_checkpoint (mb);
7898 mono_mb_emit_byte (mb, CEE_RET);
7900 csig = signature_dup (method->klass->image, csig);
7902 res = mono_mb_create_and_cache (cache, method,
7903 mb, csig, csig->param_count + 16);
7910 g_assert (piinfo->addr);
7912 mspecs = g_new (MonoMarshalSpec*, sig->param_count + 1);
7913 mono_method_get_marshal_info (method, mspecs);
7915 mono_marshal_emit_native_wrapper (mb->method->klass->image, mb, sig, piinfo, mspecs, piinfo->addr, aot, check_exceptions);
7917 csig = signature_dup (method->klass->image, sig);
7919 res = mono_mb_create_and_cache (cache, method,
7920 mb, csig, csig->param_count + 16);
7923 for (i = sig->param_count; i >= 0; i--)
7925 mono_metadata_free_marshal_spec (mspecs [i]);
7928 /* 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)); */
7934 * mono_marshal_get_native_func_wrapper:
7935 * @image: The image to use for memory allocation and for looking up custom marshallers.
7936 * @sig: The signature of the function
7937 * @func: The native function to wrap
7939 * Returns a wrapper method around native functions, similar to the pinvoke
7943 mono_marshal_get_native_func_wrapper (MonoImage *image, MonoMethodSignature *sig,
7944 MonoMethodPInvoke *piinfo, MonoMarshalSpec **mspecs, gpointer func)
7946 MonoMethodSignature *csig;
7948 MonoMethodBuilder *mb;
7953 cache = get_cache (&image->native_wrapper_cache, mono_aligned_addr_hash, NULL);
7954 if ((res = mono_marshal_find_in_cache (cache, func)))
7957 name = g_strdup_printf ("wrapper_native_%p", func);
7958 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_MANAGED_TO_NATIVE);
7959 mb->method->save_lmf = 1;
7961 mono_marshal_emit_native_wrapper (image, mb, sig, piinfo, mspecs, func, FALSE, TRUE);
7963 csig = signature_dup (image, sig);
7965 res = mono_mb_create_and_cache (cache, func,
7966 mb, csig, csig->param_count + 16);
7969 /* 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)); */
7975 * mono_marshal_emit_managed_wrapper:
7977 * Emit the body of a native-to-managed wrapper. INVOKE_SIG is the signature of
7978 * the delegate which wraps the managed method to be called. For closed delegates,
7979 * it could have fewer parameters than the method it wraps.
7980 * THIS_LOC is the memory location where the target of the delegate is stored.
7983 mono_marshal_emit_managed_wrapper (MonoMethodBuilder *mb, MonoMethodSignature *invoke_sig, MonoMarshalSpec **mspecs, EmitMarshalContext* m, MonoMethod *method, MonoObject** this_loc)
7985 MonoMethodSignature *sig, *csig;
7987 gboolean closed = FALSE;
7992 /* allocate local 0 (pointer) src_ptr */
7993 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7994 /* allocate local 1 (pointer) dst_ptr */
7995 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7996 /* allocate local 2 (boolean) delete_old */
7997 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
7999 if (!sig->hasthis && sig->param_count != invoke_sig->param_count) {
8000 /* Closed delegate */
8001 g_assert (sig->param_count == invoke_sig->param_count + 1);
8003 /* Use a new signature without the first argument */
8004 sig = mono_metadata_signature_dup (sig);
8005 memmove (&sig->params [0], &sig->params [1], (sig->param_count - 1) * sizeof (MonoType*));
8006 sig->param_count --;
8009 if (!MONO_TYPE_IS_VOID(sig->ret)) {
8010 /* allocate local 3 to store the return value */
8011 mono_mb_add_local (mb, sig->ret);
8014 mono_mb_emit_icon (mb, 0);
8015 mono_mb_emit_stloc (mb, 2);
8017 /* we first do all conversions */
8018 tmp_locals = alloca (sizeof (int) * sig->param_count);
8019 for (i = 0; i < sig->param_count; i ++) {
8020 MonoType *t = sig->params [i];
8023 case MONO_TYPE_OBJECT:
8024 case MONO_TYPE_CLASS:
8025 case MONO_TYPE_VALUETYPE:
8026 case MONO_TYPE_ARRAY:
8027 case MONO_TYPE_SZARRAY:
8028 case MONO_TYPE_STRING:
8029 case MONO_TYPE_BOOLEAN:
8030 tmp_locals [i] = emit_marshal (m, i, sig->params [i], mspecs [i + 1], 0, &csig->params [i], MARSHAL_ACTION_MANAGED_CONV_IN);
8039 emit_thread_interrupt_checkpoint (mb);
8043 mono_mb_emit_ptr (mb, this_loc);
8044 mono_mb_emit_byte (mb, CEE_LDIND_REF);
8047 g_assert_not_reached ();
8049 } else if (closed) {
8050 mono_mb_emit_ptr (mb, this_loc);
8051 mono_mb_emit_byte (mb, CEE_LDIND_REF);
8054 for (i = 0; i < sig->param_count; i++) {
8055 MonoType *t = sig->params [i];
8057 if (tmp_locals [i]) {
8059 mono_mb_emit_ldloc_addr (mb, tmp_locals [i]);
8061 mono_mb_emit_ldloc (mb, tmp_locals [i]);
8064 mono_mb_emit_ldarg (mb, i);
8067 mono_mb_emit_managed_call (mb, method, NULL);
8069 if (mspecs [0] && mspecs [0]->native == MONO_NATIVE_CUSTOM) {
8070 emit_marshal (m, 0, sig->ret, mspecs [0], 0, NULL, MARSHAL_ACTION_MANAGED_CONV_RESULT);
8071 } else if (!sig->ret->byref) {
8072 switch (sig->ret->type) {
8073 case MONO_TYPE_VOID:
8075 case MONO_TYPE_BOOLEAN:
8078 case MONO_TYPE_CHAR:
8090 case MONO_TYPE_OBJECT:
8091 mono_mb_emit_stloc (mb, 3);
8093 case MONO_TYPE_STRING:
8094 csig->ret = &mono_defaults.int_class->byval_arg;
8095 emit_marshal (m, 0, sig->ret, mspecs [0], 0, NULL, MARSHAL_ACTION_MANAGED_CONV_RESULT);
8097 case MONO_TYPE_VALUETYPE:
8098 case MONO_TYPE_CLASS:
8099 case MONO_TYPE_SZARRAY:
8100 emit_marshal (m, 0, sig->ret, mspecs [0], 0, NULL, MARSHAL_ACTION_MANAGED_CONV_RESULT);
8103 g_warning ("return type 0x%02x unknown", sig->ret->type);
8104 g_assert_not_reached ();
8107 mono_mb_emit_stloc (mb, 3);
8110 /* Convert byref arguments back */
8111 for (i = 0; i < sig->param_count; i ++) {
8112 MonoType *t = sig->params [i];
8113 MonoMarshalSpec *spec = mspecs [i + 1];
8115 if (spec && spec->native == MONO_NATIVE_CUSTOM) {
8116 emit_marshal (m, i, t, mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_MANAGED_CONV_OUT);
8118 else if (t->byref) {
8120 case MONO_TYPE_CLASS:
8121 case MONO_TYPE_VALUETYPE:
8122 case MONO_TYPE_OBJECT:
8123 case MONO_TYPE_STRING:
8124 case MONO_TYPE_BOOLEAN:
8125 emit_marshal (m, i, t, mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_MANAGED_CONV_OUT);
8129 else if (invoke_sig->params [i]->attrs & PARAM_ATTRIBUTE_OUT) {
8130 /* The [Out] information is encoded in the delegate signature */
8132 case MONO_TYPE_SZARRAY:
8133 case MONO_TYPE_CLASS:
8134 case MONO_TYPE_VALUETYPE:
8135 emit_marshal (m, i, invoke_sig->params [i], mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_MANAGED_CONV_OUT);
8138 g_assert_not_reached ();
8143 if (m->retobj_var) {
8144 mono_mb_emit_ldloc (mb, m->retobj_var);
8145 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
8146 mono_mb_emit_op (mb, CEE_MONO_RETOBJ, m->retobj_class);
8149 if (!MONO_TYPE_IS_VOID(sig->ret))
8150 mono_mb_emit_ldloc (mb, 3);
8151 mono_mb_emit_byte (mb, CEE_RET);
8160 mono_marshal_set_callconv_from_modopt (MonoMethod *method, MonoMethodSignature *csig)
8162 MonoMethodSignature *sig;
8165 #ifdef PLATFORM_WIN32
8167 * Under windows, delegates passed to native code must use the STDCALL
8168 * calling convention.
8170 csig->call_convention = MONO_CALL_STDCALL;
8173 sig = mono_method_signature (method);
8175 /* Change default calling convention if needed */
8176 /* Why is this a modopt ? */
8177 if (sig->ret && sig->ret->num_mods) {
8178 for (i = 0; i < sig->ret->num_mods; ++i) {
8179 MonoClass *cmod_class = mono_class_get (method->klass->image, sig->ret->modifiers [i].token);
8180 g_assert (cmod_class);
8181 if ((cmod_class->image == mono_defaults.corlib) && !strcmp (cmod_class->name_space, "System.Runtime.CompilerServices")) {
8182 if (!strcmp (cmod_class->name, "CallConvCdecl"))
8183 csig->call_convention = MONO_CALL_C;
8184 else if (!strcmp (cmod_class->name, "CallConvStdcall"))
8185 csig->call_convention = MONO_CALL_STDCALL;
8186 else if (!strcmp (cmod_class->name, "CallConvFastcall"))
8187 csig->call_convention = MONO_CALL_FASTCALL;
8188 else if (!strcmp (cmod_class->name, "CallConvThiscall"))
8189 csig->call_convention = MONO_CALL_THISCALL;
8196 * generates IL code to call managed methods from unmanaged code
8199 mono_marshal_get_managed_wrapper (MonoMethod *method, MonoClass *delegate_klass, MonoObject **this_loc)
8201 static MonoClass *UnmanagedFunctionPointerAttribute;
8202 MonoMethodSignature *sig, *csig, *invoke_sig;
8203 MonoMethodBuilder *mb;
8204 MonoMethod *res, *invoke;
8205 MonoMarshalSpec **mspecs;
8206 MonoMethodPInvoke piinfo;
8209 EmitMarshalContext m;
8211 g_assert (method != NULL);
8212 g_assert (!mono_method_signature (method)->pinvoke);
8215 * FIXME: Should cache the method+delegate type pair, since the same method
8216 * could be called with different delegates, thus different marshalling
8219 cache = get_cache (&method->klass->image->managed_wrapper_cache, mono_aligned_addr_hash, NULL);
8220 if (!this_loc && (res = mono_marshal_find_in_cache (cache, method)))
8223 invoke = mono_get_delegate_invoke (delegate_klass);
8224 invoke_sig = mono_method_signature (invoke);
8226 mspecs = g_new0 (MonoMarshalSpec*, mono_method_signature (invoke)->param_count + 1);
8227 mono_method_get_marshal_info (invoke, mspecs);
8229 sig = mono_method_signature (method);
8231 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_NATIVE_TO_MANAGED);
8233 /* we copy the signature, so that we can modify it */
8235 /* Need to free this later */
8236 csig = mono_metadata_signature_dup (invoke_sig);
8238 csig = signature_dup (method->klass->image, invoke_sig);
8247 m.image = method->klass->image;
8249 mono_marshal_set_callconv_from_modopt (invoke, csig);
8251 /* Handle the UnmanagedFunctionPointerAttribute */
8252 if (!UnmanagedFunctionPointerAttribute)
8253 UnmanagedFunctionPointerAttribute = mono_class_from_name (mono_defaults.corlib, "System.Runtime.InteropServices", "UnmanagedFunctionPointerAttribute");
8255 /* The attribute is only available in Net 2.0 */
8256 if (UnmanagedFunctionPointerAttribute) {
8257 MonoReflectionUnmanagedFunctionPointerAttribute *attr;
8258 MonoCustomAttrInfo *cinfo;
8261 * The pinvoke attributes are stored in a real custom attribute so we have to
8264 cinfo = mono_custom_attrs_from_class (delegate_klass);
8266 attr = (MonoReflectionUnmanagedFunctionPointerAttribute*)mono_custom_attrs_get_attr (cinfo, UnmanagedFunctionPointerAttribute);
8268 memset (&piinfo, 0, sizeof (piinfo));
8270 piinfo.piflags = (attr->call_conv << 8) | (attr->charset ? (attr->charset - 1) * 2 : 1) | attr->set_last_error;
8272 csig->call_convention = attr->call_conv - 1;
8275 mono_custom_attrs_free (cinfo);
8279 mono_marshal_emit_managed_wrapper (mb, invoke_sig, mspecs, &m, method, this_loc);
8282 res = mono_mb_create_and_cache (cache, method,
8283 mb, csig, sig->param_count + 16);
8286 res = mono_mb_create_method (mb, csig, sig->param_count + 16);
8290 for (i = mono_method_signature (invoke)->param_count; i >= 0; i--)
8292 mono_metadata_free_marshal_spec (mspecs [i]);
8295 /* 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)); */
8301 mono_marshal_get_vtfixup_ftnptr (MonoImage *image, guint32 token, guint16 type)
8304 MonoMethodSignature *sig;
8305 MonoMethodBuilder *mb;
8310 method = mono_get_method (image, token, NULL);
8313 if (type & (VTFIXUP_TYPE_FROM_UNMANAGED | VTFIXUP_TYPE_FROM_UNMANAGED_RETAIN_APPDOMAIN)) {
8314 MonoMethodSignature *csig;
8315 MonoMarshalSpec **mspecs;
8316 EmitMarshalContext m;
8318 sig = mono_method_signature (method);
8319 g_assert (!sig->hasthis);
8321 mspecs = g_new0 (MonoMarshalSpec*, sig->param_count + 1);
8322 mono_method_get_marshal_info (method, mspecs);
8324 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_NATIVE_TO_MANAGED);
8325 csig = signature_dup (image, sig);
8336 mono_marshal_set_callconv_from_modopt (method, csig);
8338 /* FIXME: Implement VTFIXUP_TYPE_FROM_UNMANAGED_RETAIN_APPDOMAIN. */
8340 mono_marshal_emit_managed_wrapper (mb, sig, mspecs, &m, method, NULL);
8343 method = mono_mb_create_method (mb, csig, sig->param_count + 16);
8346 for (i = sig->param_count; i >= 0; i--)
8348 mono_metadata_free_marshal_spec (mspecs [i]);
8351 return mono_compile_method (method);
8354 sig = mono_method_signature (method);
8355 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_MANAGED_TO_MANAGED);
8357 param_count = sig->param_count + sig->hasthis;
8358 for (i = 0; i < param_count; i++)
8359 mono_mb_emit_ldarg (mb, i);
8361 if (type & VTFIXUP_TYPE_CALL_MOST_DERIVED)
8362 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
8364 mono_mb_emit_op (mb, CEE_CALL, method);
8365 mono_mb_emit_byte (mb, CEE_RET);
8368 method = mono_mb_create_method (mb, sig, param_count);
8371 return mono_compile_method (method);
8374 static MonoReflectionType *
8375 type_from_handle (MonoType *handle)
8377 MonoDomain *domain = mono_domain_get ();
8378 MonoClass *klass = mono_class_from_mono_type (handle);
8380 MONO_ARCH_SAVE_REGS;
8382 mono_class_init (klass);
8383 return mono_type_get_object (domain, handle);
8387 * mono_marshal_get_isinst:
8388 * @klass: the type of the field
8390 * This method generates a function which can be used to check if an object is
8391 * an instance of the given type, icluding the case where the object is a proxy.
8392 * The generated function has the following signature:
8393 * MonoObject* __isinst_wrapper_ (MonoObject *obj)
8396 mono_marshal_get_isinst (MonoClass *klass)
8398 static MonoMethodSignature *isint_sig = NULL;
8401 int pos_was_ok, pos_failed, pos_end, pos_end2;
8403 MonoMethodBuilder *mb;
8405 cache = get_cache (&klass->image->isinst_cache, mono_aligned_addr_hash, NULL);
8406 if ((res = mono_marshal_find_in_cache (cache, klass)))
8410 isint_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
8411 isint_sig->params [0] = &mono_defaults.object_class->byval_arg;
8412 isint_sig->ret = &mono_defaults.object_class->byval_arg;
8413 isint_sig->pinvoke = 0;
8416 name = g_strdup_printf ("__isinst_wrapper_%s", klass->name);
8417 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_ISINST);
8420 mb->method->save_lmf = 1;
8422 /* check if the object is a proxy that needs special cast */
8423 mono_mb_emit_ldarg (mb, 0);
8424 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
8425 mono_mb_emit_op (mb, CEE_MONO_CISINST, klass);
8427 /* The result of MONO_ISINST can be:
8428 0) the type check succeeded
8429 1) the type check did not succeed
8430 2) a CanCastTo call is needed */
8432 mono_mb_emit_byte (mb, CEE_DUP);
8433 pos_was_ok = mono_mb_emit_branch (mb, CEE_BRFALSE);
8435 mono_mb_emit_byte (mb, CEE_LDC_I4_2);
8436 pos_failed = mono_mb_emit_branch (mb, CEE_BNE_UN);
8438 /* get the real proxy from the transparent proxy*/
8440 mono_mb_emit_ldarg (mb, 0);
8441 mono_mb_emit_managed_call (mb, mono_marshal_get_proxy_cancast (klass), NULL);
8442 pos_end = mono_mb_emit_branch (mb, CEE_BR);
8446 mono_mb_patch_branch (mb, pos_failed);
8447 mono_mb_emit_byte (mb, CEE_LDNULL);
8448 pos_end2 = mono_mb_emit_branch (mb, CEE_BR);
8452 mono_mb_patch_branch (mb, pos_was_ok);
8453 mono_mb_emit_byte (mb, CEE_POP);
8454 mono_mb_emit_ldarg (mb, 0);
8458 mono_mb_patch_branch (mb, pos_end);
8459 mono_mb_patch_branch (mb, pos_end2);
8460 mono_mb_emit_byte (mb, CEE_RET);
8462 res = mono_mb_create_and_cache (cache, klass, mb, isint_sig, isint_sig->param_count + 16);
8469 * mono_marshal_get_castclass:
8470 * @klass: the type of the field
8472 * This method generates a function which can be used to cast an object to
8473 * an instance of the given type, icluding the case where the object is a proxy.
8474 * The generated function has the following signature:
8475 * MonoObject* __castclass_wrapper_ (MonoObject *obj)
8478 mono_marshal_get_castclass (MonoClass *klass)
8480 static MonoMethodSignature *castclass_sig = NULL;
8483 int pos_was_ok, pos_was_ok2;
8485 MonoMethodBuilder *mb;
8487 cache = get_cache (&klass->image->castclass_cache, mono_aligned_addr_hash, NULL);
8488 if ((res = mono_marshal_find_in_cache (cache, klass)))
8491 if (!castclass_sig) {
8492 castclass_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
8493 castclass_sig->params [0] = &mono_defaults.object_class->byval_arg;
8494 castclass_sig->ret = &mono_defaults.object_class->byval_arg;
8495 castclass_sig->pinvoke = 0;
8498 name = g_strdup_printf ("__castclass_wrapper_%s", klass->name);
8499 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_CASTCLASS);
8502 mb->method->save_lmf = 1;
8504 /* check if the object is a proxy that needs special cast */
8505 mono_mb_emit_ldarg (mb, 0);
8506 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
8507 mono_mb_emit_op (mb, CEE_MONO_CCASTCLASS, klass);
8509 /* The result of MONO_ISINST can be:
8510 0) the cast is valid
8511 1) cast of unknown proxy type
8512 or an exception if the cast is is invalid
8515 pos_was_ok = mono_mb_emit_branch (mb, CEE_BRFALSE);
8517 /* get the real proxy from the transparent proxy*/
8519 mono_mb_emit_ldarg (mb, 0);
8520 mono_mb_emit_managed_call (mb, mono_marshal_get_proxy_cancast (klass), NULL);
8521 pos_was_ok2 = mono_mb_emit_branch (mb, CEE_BRTRUE);
8524 mono_mb_emit_exception (mb, "InvalidCastException", NULL);
8527 mono_mb_patch_branch (mb, pos_was_ok);
8528 mono_mb_patch_branch (mb, pos_was_ok2);
8529 mono_mb_emit_ldarg (mb, 0);
8532 mono_mb_emit_byte (mb, CEE_RET);
8534 res = mono_mb_create_and_cache (cache, klass, mb, castclass_sig, castclass_sig->param_count + 16);
8541 mono_marshal_get_proxy_cancast (MonoClass *klass)
8543 static MonoMethodSignature *isint_sig = NULL;
8546 int pos_failed, pos_end;
8548 MonoMethod *can_cast_to;
8549 MonoMethodDesc *desc;
8550 MonoMethodBuilder *mb;
8552 cache = get_cache (&klass->image->proxy_isinst_cache, mono_aligned_addr_hash, NULL);
8553 if ((res = mono_marshal_find_in_cache (cache, klass)))
8557 isint_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
8558 isint_sig->params [0] = &mono_defaults.object_class->byval_arg;
8559 isint_sig->ret = &mono_defaults.object_class->byval_arg;
8560 isint_sig->pinvoke = 0;
8563 name = g_strdup_printf ("__proxy_isinst_wrapper_%s", klass->name);
8564 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_PROXY_ISINST);
8567 mb->method->save_lmf = 1;
8569 /* get the real proxy from the transparent proxy*/
8570 mono_mb_emit_ldarg (mb, 0);
8571 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
8572 mono_mb_emit_byte (mb, CEE_LDIND_REF);
8574 /* get the reflection type from the type handle */
8575 mono_mb_emit_ptr (mb, &klass->byval_arg);
8576 mono_mb_emit_icall (mb, type_from_handle);
8578 mono_mb_emit_ldarg (mb, 0);
8580 /* make the call to CanCastTo (type, ob) */
8581 desc = mono_method_desc_new ("IRemotingTypeInfo:CanCastTo", FALSE);
8582 can_cast_to = mono_method_desc_search_in_class (desc, mono_defaults.iremotingtypeinfo_class);
8583 g_assert (can_cast_to);
8584 mono_method_desc_free (desc);
8585 mono_mb_emit_op (mb, CEE_CALLVIRT, can_cast_to);
8587 pos_failed = mono_mb_emit_branch (mb, CEE_BRFALSE);
8589 /* Upgrade the proxy vtable by calling: mono_upgrade_remote_class_wrapper (type, ob)*/
8590 mono_mb_emit_ptr (mb, &klass->byval_arg);
8591 mono_mb_emit_icall (mb, type_from_handle);
8592 mono_mb_emit_ldarg (mb, 0);
8594 mono_mb_emit_icall (mb, mono_upgrade_remote_class_wrapper);
8595 emit_thread_interrupt_checkpoint (mb);
8597 mono_mb_emit_ldarg (mb, 0);
8598 pos_end = mono_mb_emit_branch (mb, CEE_BR);
8602 mono_mb_patch_branch (mb, pos_failed);
8603 mono_mb_emit_byte (mb, CEE_LDNULL);
8607 mono_mb_patch_branch (mb, pos_end);
8608 mono_mb_emit_byte (mb, CEE_RET);
8610 res = mono_mb_create_and_cache (cache, klass, mb, isint_sig, isint_sig->param_count + 16);
8617 mono_upgrade_remote_class_wrapper (MonoReflectionType *rtype, MonoTransparentProxy *tproxy)
8620 MonoDomain *domain = ((MonoObject*)tproxy)->vtable->domain;
8621 klass = mono_class_from_mono_type (rtype->type);
8622 mono_upgrade_remote_class (domain, (MonoObject*)tproxy, klass);
8626 * mono_marshal_get_struct_to_ptr:
8629 * generates IL code for StructureToPtr (object structure, IntPtr ptr, bool fDeleteOld)
8632 mono_marshal_get_struct_to_ptr (MonoClass *klass)
8634 MonoMethodBuilder *mb;
8635 static MonoMethod *stoptr = NULL;
8638 g_assert (klass != NULL);
8640 mono_marshal_load_type_info (klass);
8642 if (klass->marshal_info->str_to_ptr)
8643 return klass->marshal_info->str_to_ptr;
8646 stoptr = mono_class_get_method_from_name (mono_defaults.marshal_class, "StructureToPtr", 3);
8649 mb = mono_mb_new (klass, stoptr->name, MONO_WRAPPER_UNKNOWN);
8651 if (klass->blittable) {
8652 mono_mb_emit_byte (mb, CEE_LDARG_1);
8653 mono_mb_emit_byte (mb, CEE_LDARG_0);
8654 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
8655 mono_mb_emit_icon (mb, mono_class_value_size (klass, NULL));
8656 mono_mb_emit_byte (mb, CEE_PREFIX1);
8657 mono_mb_emit_byte (mb, CEE_CPBLK);
8660 /* allocate local 0 (pointer) src_ptr */
8661 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8662 /* allocate local 1 (pointer) dst_ptr */
8663 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8664 /* allocate local 2 (boolean) delete_old */
8665 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
8666 mono_mb_emit_byte (mb, CEE_LDARG_2);
8667 mono_mb_emit_stloc (mb, 2);
8669 /* initialize src_ptr to point to the start of object data */
8670 mono_mb_emit_byte (mb, CEE_LDARG_0);
8671 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
8672 mono_mb_emit_stloc (mb, 0);
8674 /* initialize dst_ptr */
8675 mono_mb_emit_byte (mb, CEE_LDARG_1);
8676 mono_mb_emit_stloc (mb, 1);
8678 emit_struct_conv (mb, klass, FALSE);
8681 mono_mb_emit_byte (mb, CEE_RET);
8683 res = mono_mb_create_method (mb, mono_signature_no_pinvoke (stoptr), 0);
8686 klass->marshal_info->str_to_ptr = res;
8691 * mono_marshal_get_ptr_to_struct:
8694 * generates IL code for PtrToStructure (IntPtr src, object structure)
8697 mono_marshal_get_ptr_to_struct (MonoClass *klass)
8699 MonoMethodBuilder *mb;
8700 static MonoMethodSignature *ptostr = NULL;
8703 g_assert (klass != NULL);
8705 mono_marshal_load_type_info (klass);
8707 if (klass->marshal_info->ptr_to_str)
8708 return klass->marshal_info->ptr_to_str;
8711 MonoMethodSignature *sig;
8713 /* Create the signature corresponding to
8714 static void PtrToStructure (IntPtr ptr, object structure);
8715 defined in class/corlib/System.Runtime.InteropServices/Marshal.cs */
8716 sig = mono_create_icall_signature ("void ptr object");
8717 sig = signature_dup (mono_defaults.corlib, sig);
8719 mono_memory_barrier ();
8723 mb = mono_mb_new (klass, "PtrToStructure", MONO_WRAPPER_UNKNOWN);
8725 if (klass->blittable) {
8726 mono_mb_emit_byte (mb, CEE_LDARG_1);
8727 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
8728 mono_mb_emit_byte (mb, CEE_LDARG_0);
8729 mono_mb_emit_icon (mb, mono_class_value_size (klass, NULL));
8730 mono_mb_emit_byte (mb, CEE_PREFIX1);
8731 mono_mb_emit_byte (mb, CEE_CPBLK);
8734 /* allocate local 0 (pointer) src_ptr */
8735 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8736 /* allocate local 1 (pointer) dst_ptr */
8737 mono_mb_add_local (mb, &klass->this_arg);
8739 /* initialize src_ptr to point to the start of object data */
8740 mono_mb_emit_byte (mb, CEE_LDARG_0);
8741 mono_mb_emit_stloc (mb, 0);
8743 /* initialize dst_ptr */
8744 mono_mb_emit_byte (mb, CEE_LDARG_1);
8745 mono_mb_emit_op (mb, CEE_UNBOX, klass);
8746 mono_mb_emit_stloc (mb, 1);
8748 emit_struct_conv (mb, klass, TRUE);
8751 mono_mb_emit_byte (mb, CEE_RET);
8753 res = mono_mb_create_method (mb, ptostr, 0);
8756 klass->marshal_info->ptr_to_str = res;
8761 * generates IL code for the synchronized wrapper: the generated method
8762 * calls METHOD while locking 'this' or the parent type.
8765 mono_marshal_get_synchronized_wrapper (MonoMethod *method)
8767 static MonoMethod *enter_method, *exit_method, *gettypefromhandle_method;
8768 MonoMethodSignature *sig;
8769 MonoExceptionClause *clause;
8770 MonoMethodBuilder *mb;
8773 int i, pos, this_local, ret_local = 0;
8777 if (method->wrapper_type == MONO_WRAPPER_SYNCHRONIZED)
8780 cache = get_cache (&method->klass->image->synchronized_cache, mono_aligned_addr_hash, NULL);
8781 if ((res = mono_marshal_find_in_cache (cache, method)))
8784 sig = signature_dup (method->klass->image, mono_method_signature (method));
8787 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_SYNCHRONIZED);
8790 if (!MONO_TYPE_IS_VOID (sig->ret))
8791 ret_local = mono_mb_add_local (mb, sig->ret);
8793 if (method->klass->valuetype && !(method->flags & MONO_METHOD_ATTR_STATIC)) {
8794 mono_class_set_failure (method->klass, MONO_EXCEPTION_TYPE_LOAD, NULL);
8795 /* This will throw the type load exception when the wrapper is compiled */
8796 mono_mb_emit_byte (mb, CEE_LDNULL);
8797 mono_mb_emit_op (mb, CEE_ISINST, method->klass);
8798 mono_mb_emit_byte (mb, CEE_POP);
8800 if (!MONO_TYPE_IS_VOID (sig->ret))
8801 mono_mb_emit_ldloc (mb, ret_local);
8802 mono_mb_emit_byte (mb, CEE_RET);
8804 res = mono_mb_create_and_cache (cache, method,
8805 mb, sig, sig->param_count + 16);
8812 this_local = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
8814 clause = mono_image_alloc0 (method->klass->image, sizeof (MonoExceptionClause));
8815 clause->flags = MONO_EXCEPTION_CLAUSE_FINALLY;
8817 mono_loader_lock ();
8819 if (!enter_method) {
8820 MonoMethodDesc *desc;
8822 desc = mono_method_desc_new ("Monitor:Enter", FALSE);
8823 enter_method = mono_method_desc_search_in_class (desc, mono_defaults.monitor_class);
8824 g_assert (enter_method);
8825 mono_method_desc_free (desc);
8827 desc = mono_method_desc_new ("Monitor:Exit", FALSE);
8828 exit_method = mono_method_desc_search_in_class (desc, mono_defaults.monitor_class);
8829 g_assert (exit_method);
8830 mono_method_desc_free (desc);
8832 desc = mono_method_desc_new ("Type:GetTypeFromHandle", FALSE);
8833 gettypefromhandle_method = mono_method_desc_search_in_class (desc, mono_defaults.monotype_class->parent);
8834 g_assert (gettypefromhandle_method);
8835 mono_method_desc_free (desc);
8838 mono_loader_unlock ();
8840 /* Push this or the type object */
8841 if (method->flags & METHOD_ATTRIBUTE_STATIC) {
8842 /* We have special handling for this in the JIT */
8843 int index = mono_mb_add_data (mb, method->klass);
8844 mono_mb_add_data (mb, mono_defaults.typehandle_class);
8845 mono_mb_emit_byte (mb, CEE_LDTOKEN);
8846 mono_mb_emit_i4 (mb, index);
8848 mono_mb_emit_managed_call (mb, gettypefromhandle_method, NULL);
8851 mono_mb_emit_ldarg (mb, 0);
8852 mono_mb_emit_stloc (mb, this_local);
8854 /* Call Monitor::Enter() */
8855 mono_mb_emit_ldloc (mb, this_local);
8856 mono_mb_emit_managed_call (mb, enter_method, NULL);
8858 clause->try_offset = mono_mb_get_label (mb);
8860 /* Call the method */
8862 mono_mb_emit_ldarg (mb, 0);
8863 for (i = 0; i < sig->param_count; i++)
8864 mono_mb_emit_ldarg (mb, i + (sig->hasthis == TRUE));
8866 mono_mb_emit_managed_call (mb, method, NULL);
8868 if (!MONO_TYPE_IS_VOID (sig->ret))
8869 mono_mb_emit_stloc (mb, ret_local);
8871 pos = mono_mb_emit_branch (mb, CEE_LEAVE);
8873 clause->try_len = mono_mb_get_pos (mb) - clause->try_offset;
8874 clause->handler_offset = mono_mb_get_label (mb);
8876 /* Call Monitor::Exit() */
8877 mono_mb_emit_ldloc (mb, this_local);
8878 mono_mb_emit_managed_call (mb, exit_method, NULL);
8879 mono_mb_emit_byte (mb, CEE_ENDFINALLY);
8881 clause->handler_len = mono_mb_get_pos (mb) - clause->handler_offset;
8883 mono_mb_patch_branch (mb, pos);
8884 if (!MONO_TYPE_IS_VOID (sig->ret))
8885 mono_mb_emit_ldloc (mb, ret_local);
8886 mono_mb_emit_byte (mb, CEE_RET);
8888 mono_mb_set_clauses (mb, 1, clause);
8890 res = mono_mb_create_and_cache (cache, method,
8891 mb, sig, sig->param_count + 16);
8899 * the returned method calls 'method' unboxing the this argument
8902 mono_marshal_get_unbox_wrapper (MonoMethod *method)
8904 MonoMethodSignature *sig = mono_method_signature (method);
8906 MonoMethodBuilder *mb;
8910 cache = get_cache (&method->klass->image->unbox_wrapper_cache, mono_aligned_addr_hash, NULL);
8911 if ((res = mono_marshal_find_in_cache (cache, method)))
8914 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_UNBOX);
8916 g_assert (sig->hasthis);
8918 mono_mb_emit_ldarg (mb, 0);
8919 mono_mb_emit_icon (mb, sizeof (MonoObject));
8920 mono_mb_emit_byte (mb, CEE_ADD);
8921 for (i = 0; i < sig->param_count; ++i)
8922 mono_mb_emit_ldarg (mb, i + 1);
8923 mono_mb_emit_managed_call (mb, method, NULL);
8924 mono_mb_emit_byte (mb, CEE_RET);
8926 res = mono_mb_create_and_cache (cache, method,
8927 mb, sig, sig->param_count + 16);
8930 /* 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)); */
8936 mono_marshal_get_stelemref ()
8938 static MonoMethod* ret = NULL;
8939 MonoMethodSignature *sig;
8940 MonoMethodBuilder *mb;
8942 guint32 b1, b2, b3, b4;
8945 int array_slot_addr;
8950 mb = mono_mb_new (mono_defaults.object_class, "stelemref", MONO_WRAPPER_STELEMREF);
8953 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
8955 /* void stelemref (void* array, int idx, void* value) */
8956 sig->ret = &mono_defaults.void_class->byval_arg;
8957 sig->params [0] = &mono_defaults.object_class->byval_arg;
8958 sig->params [1] = &mono_defaults.int_class->byval_arg; /* this is a natural sized int */
8959 sig->params [2] = &mono_defaults.object_class->byval_arg;
8961 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8962 vklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8963 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
8967 <ldelema (bound check)>
8971 aklass = array->vtable->klass->element_class;
8972 vklass = value->vtable->klass;
8974 if (vklass->idepth < aklass->idepth)
8977 if (vklass->supertypes [aklass->idepth - 1] != aklass)
8981 *array_slot_addr = value;
8985 if (mono_object_isinst (value, aklass))
8988 throw new ArrayTypeMismatchException ();
8991 /* ldelema (implicit bound check) */
8992 mono_mb_emit_ldarg (mb, 0);
8993 mono_mb_emit_ldarg (mb, 1);
8994 mono_mb_emit_op (mb, CEE_LDELEMA, mono_defaults.object_class);
8995 mono_mb_emit_stloc (mb, array_slot_addr);
8997 /* if (!value) goto do_store */
8998 mono_mb_emit_ldarg (mb, 2);
8999 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
9001 /* aklass = array->vtable->klass->element_class */
9002 mono_mb_emit_ldarg (mb, 0);
9003 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
9004 mono_mb_emit_byte (mb, CEE_LDIND_I);
9005 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, klass));
9006 mono_mb_emit_byte (mb, CEE_LDIND_I);
9007 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, element_class));
9008 mono_mb_emit_byte (mb, CEE_LDIND_I);
9009 mono_mb_emit_stloc (mb, aklass);
9011 /* vklass = value->vtable->klass */
9012 mono_mb_emit_ldarg (mb, 2);
9013 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
9014 mono_mb_emit_byte (mb, CEE_LDIND_I);
9015 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, klass));
9016 mono_mb_emit_byte (mb, CEE_LDIND_I);
9017 mono_mb_emit_stloc (mb, vklass);
9019 /* if (vklass->idepth < aklass->idepth) goto failue */
9020 mono_mb_emit_ldloc (mb, vklass);
9021 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
9022 mono_mb_emit_byte (mb, CEE_LDIND_U2);
9024 mono_mb_emit_ldloc (mb, aklass);
9025 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
9026 mono_mb_emit_byte (mb, CEE_LDIND_U2);
9028 b2 = mono_mb_emit_branch (mb, CEE_BLT_UN);
9030 /* if (vklass->supertypes [aklass->idepth - 1] != aklass) goto failure */
9031 mono_mb_emit_ldloc (mb, vklass);
9032 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, supertypes));
9033 mono_mb_emit_byte (mb, CEE_LDIND_I);
9035 mono_mb_emit_ldloc (mb, aklass);
9036 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
9037 mono_mb_emit_byte (mb, CEE_LDIND_U2);
9038 mono_mb_emit_icon (mb, 1);
9039 mono_mb_emit_byte (mb, CEE_SUB);
9040 mono_mb_emit_icon (mb, sizeof (void*));
9041 mono_mb_emit_byte (mb, CEE_MUL);
9042 mono_mb_emit_byte (mb, CEE_ADD);
9043 mono_mb_emit_byte (mb, CEE_LDIND_I);
9045 mono_mb_emit_ldloc (mb, aklass);
9047 b3 = mono_mb_emit_branch (mb, CEE_BNE_UN);
9049 copy_pos = mono_mb_get_label (mb);
9051 mono_mb_patch_branch (mb, b1);
9052 mono_mb_emit_ldloc (mb, array_slot_addr);
9053 mono_mb_emit_ldarg (mb, 2);
9054 mono_mb_emit_byte (mb, CEE_STIND_REF);
9056 mono_mb_emit_byte (mb, CEE_RET);
9059 mono_mb_patch_branch (mb, b2);
9060 mono_mb_patch_branch (mb, b3);
9062 mono_mb_emit_ldarg (mb, 2);
9063 mono_mb_emit_ldloc (mb, aklass);
9064 mono_mb_emit_icall (mb, mono_object_isinst);
9066 b4 = mono_mb_emit_branch (mb, CEE_BRTRUE);
9067 mono_mb_patch_addr (mb, b4, copy_pos - (b4 + 4));
9068 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
9070 mono_mb_emit_byte (mb, CEE_RET);
9071 ret = mono_mb_create_method (mb, sig, 4);
9082 /* LOCKING: vars accessed under the marshal lock */
9083 static ArrayElemAddr *elem_addr_cache = NULL;
9084 static int elem_addr_cache_size = 0;
9085 static int elem_addr_cache_next = 0;
9088 * mono_marshal_get_array_address:
9089 * @rank: rank of the array type
9090 * @elem_size: size in bytes of an element of an array.
9092 * Returns a MonoMethd that implements the code to get the address
9093 * of an element in a multi-dimenasional array of @rank dimensions.
9094 * The returned method takes an array as the first argument and then
9095 * @rank indexes for the @rank dimensions.
9098 mono_marshal_get_array_address (int rank, int elem_size)
9101 MonoMethodBuilder *mb;
9102 MonoMethodSignature *sig;
9103 int i, bounds, ind, realidx;
9104 int branch_pos, *branch_positions;
9108 mono_marshal_lock ();
9109 for (i = 0; i < elem_addr_cache_next; ++i) {
9110 if (elem_addr_cache [i].rank == rank && elem_addr_cache [i].elem_size == elem_size) {
9111 ret = elem_addr_cache [i].method;
9115 mono_marshal_unlock ();
9119 branch_positions = g_new0 (int, rank);
9121 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1 + rank);
9123 /* void* address (void* array, int idx0, int idx1, int idx2, ...) */
9124 sig->ret = &mono_defaults.int_class->byval_arg;
9125 sig->params [0] = &mono_defaults.object_class->byval_arg;
9126 for (i = 0; i < rank; ++i) {
9127 sig->params [i + 1] = &mono_defaults.int32_class->byval_arg;
9130 mb = mono_mb_new (mono_defaults.object_class, "ElementAddr", MONO_WRAPPER_MANAGED_TO_MANAGED);
9132 bounds = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9133 ind = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
9134 realidx = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
9136 /* bounds = array->bounds; */
9137 mono_mb_emit_ldarg (mb, 0);
9138 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoArray, bounds));
9139 mono_mb_emit_byte (mb, CEE_LDIND_I);
9140 mono_mb_emit_stloc (mb, bounds);
9142 /* ind is the overall element index, realidx is the partial index in a single dimension */
9143 /* ind = idx0 - bounds [0].lower_bound */
9144 mono_mb_emit_ldarg (mb, 1);
9145 mono_mb_emit_ldloc (mb, bounds);
9146 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArrayBounds, lower_bound));
9147 mono_mb_emit_byte (mb, CEE_ADD);
9148 mono_mb_emit_byte (mb, CEE_LDIND_I4);
9149 mono_mb_emit_byte (mb, CEE_SUB);
9150 mono_mb_emit_stloc (mb, ind);
9151 /* if (ind >= bounds [0].length) goto exeception; */
9152 mono_mb_emit_ldloc (mb, ind);
9153 mono_mb_emit_ldloc (mb, bounds);
9154 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArrayBounds, length));
9155 mono_mb_emit_byte (mb, CEE_ADD);
9156 mono_mb_emit_byte (mb, CEE_LDIND_I4);
9157 /* note that we use unsigned comparison */
9158 branch_pos = mono_mb_emit_branch (mb, CEE_BGE_UN);
9160 /* For large ranks (> 4?) use a loop n IL later to reduce code size.
9161 * We could also decide to ignore the passed elem_size and get it
9162 * from the array object, to reduce the number of methods we generate:
9163 * the additional cost is 3 memory loads and a non-immediate mul.
9165 for (i = 1; i < rank; ++i) {
9166 /* realidx = idxi - bounds [i].lower_bound */
9167 mono_mb_emit_ldarg (mb, 1 + i);
9168 mono_mb_emit_ldloc (mb, bounds);
9169 mono_mb_emit_icon (mb, (i * sizeof (MonoArrayBounds)) + G_STRUCT_OFFSET (MonoArrayBounds, lower_bound));
9170 mono_mb_emit_byte (mb, CEE_ADD);
9171 mono_mb_emit_byte (mb, CEE_LDIND_I4);
9172 mono_mb_emit_byte (mb, CEE_SUB);
9173 mono_mb_emit_stloc (mb, realidx);
9174 /* if (realidx >= bounds [i].length) goto exeception; */
9175 mono_mb_emit_ldloc (mb, realidx);
9176 mono_mb_emit_ldloc (mb, bounds);
9177 mono_mb_emit_icon (mb, (i * sizeof (MonoArrayBounds)) + G_STRUCT_OFFSET (MonoArrayBounds, length));
9178 mono_mb_emit_byte (mb, CEE_ADD);
9179 mono_mb_emit_byte (mb, CEE_LDIND_I4);
9180 branch_positions [i] = mono_mb_emit_branch (mb, CEE_BGE_UN);
9181 /* ind = ind * bounds [i].length + realidx */
9182 mono_mb_emit_ldloc (mb, ind);
9183 mono_mb_emit_ldloc (mb, bounds);
9184 mono_mb_emit_icon (mb, (i * sizeof (MonoArrayBounds)) + G_STRUCT_OFFSET (MonoArrayBounds, length));
9185 mono_mb_emit_byte (mb, CEE_ADD);
9186 mono_mb_emit_byte (mb, CEE_LDIND_I4);
9187 mono_mb_emit_byte (mb, CEE_MUL);
9188 mono_mb_emit_ldloc (mb, realidx);
9189 mono_mb_emit_byte (mb, CEE_ADD);
9190 mono_mb_emit_stloc (mb, ind);
9193 /* return array->vector + ind * element_size */
9194 mono_mb_emit_ldarg (mb, 0);
9195 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoArray, vector));
9196 mono_mb_emit_ldloc (mb, ind);
9197 mono_mb_emit_icon (mb, elem_size);
9198 mono_mb_emit_byte (mb, CEE_MUL);
9199 mono_mb_emit_byte (mb, CEE_ADD);
9200 mono_mb_emit_byte (mb, CEE_RET);
9202 /* patch the branches to get here and throw */
9203 for (i = 1; i < rank; ++i) {
9204 mono_mb_patch_branch (mb, branch_positions [i]);
9206 mono_mb_patch_branch (mb, branch_pos);
9207 /* throw exception */
9208 mono_mb_emit_exception (mb, "IndexOutOfRangeException", NULL);
9210 g_free (branch_positions);
9211 ret = mono_mb_create_method (mb, sig, 4);
9214 /* cache the result */
9216 mono_marshal_lock ();
9217 for (i = 0; i < elem_addr_cache_next; ++i) {
9218 if (elem_addr_cache [i].rank == rank && elem_addr_cache [i].elem_size == elem_size) {
9219 /* FIXME: free ret */
9220 ret = elem_addr_cache [i].method;
9226 if (elem_addr_cache_next >= elem_addr_cache_size) {
9227 int new_size = elem_addr_cache_size + 4;
9228 ArrayElemAddr *new_array = g_new0 (ArrayElemAddr, new_size);
9229 memcpy (new_array, elem_addr_cache, elem_addr_cache_size * sizeof (ArrayElemAddr));
9230 g_free (elem_addr_cache);
9231 elem_addr_cache = new_array;
9232 elem_addr_cache_size = new_size;
9234 elem_addr_cache [elem_addr_cache_next].rank = rank;
9235 elem_addr_cache [elem_addr_cache_next].elem_size = elem_size;
9236 elem_addr_cache [elem_addr_cache_next].method = ret;
9238 mono_marshal_unlock ();
9243 mono_marshal_alloc (gulong size)
9247 #ifdef PLATFORM_WIN32
9248 res = CoTaskMemAlloc (size);
9250 res = g_try_malloc ((gulong)size);
9252 mono_gc_out_of_memory ((gulong)size);
9258 mono_marshal_free (gpointer ptr)
9260 #ifdef PLATFORM_WIN32
9261 CoTaskMemFree (ptr);
9268 mono_marshal_free_array (gpointer *ptr, int size)
9275 for (i = 0; i < size; i++)
9281 mono_marshal_string_to_utf16 (MonoString *s)
9283 return s ? mono_string_chars (s) : NULL;
9287 mono_marshal_string_to_utf16_copy (MonoString *s)
9292 gunichar2 *res = mono_marshal_alloc ((mono_string_length (s) * 2) + 2);
9293 memcpy (res, mono_string_chars (s), mono_string_length (s) * 2);
9294 res [mono_string_length (s)] = 0;
9300 * mono_marshal_set_last_error:
9302 * This function is invoked to set the last error value from a P/Invoke call
9303 * which has SetLastError set.
9306 mono_marshal_set_last_error (void)
9309 TlsSetValue (last_error_tls_id, GINT_TO_POINTER (GetLastError ()));
9311 TlsSetValue (last_error_tls_id, GINT_TO_POINTER (errno));
9316 mono_marshal_set_last_error_windows (int error)
9319 TlsSetValue (last_error_tls_id, GINT_TO_POINTER (error));
9324 ves_icall_System_Runtime_InteropServices_Marshal_copy_to_unmanaged (MonoArray *src, gint32 start_index,
9325 gpointer dest, gint32 length)
9330 MONO_ARCH_SAVE_REGS;
9332 MONO_CHECK_ARG_NULL (src);
9333 MONO_CHECK_ARG_NULL (dest);
9335 if (src->obj.vtable->klass->rank != 1)
9336 mono_raise_exception (mono_get_exception_argument ("array", "array is multi-dimensional"));
9337 if (start_index < 0)
9338 mono_raise_exception (mono_get_exception_argument ("startIndex", "Must be >= 0"));
9340 mono_raise_exception (mono_get_exception_argument ("length", "Must be >= 0"));
9341 if (start_index + length > mono_array_length (src))
9342 mono_raise_exception (mono_get_exception_argument ("length", "start_index + length > array length"));
9344 element_size = mono_array_element_size (src->obj.vtable->klass);
9346 /* no references should be involved */
9347 source_addr = mono_array_addr_with_size (src, element_size, start_index);
9349 memcpy (dest, source_addr, length * element_size);
9353 ves_icall_System_Runtime_InteropServices_Marshal_copy_from_unmanaged (gpointer src, gint32 start_index,
9354 MonoArray *dest, gint32 length)
9359 MONO_ARCH_SAVE_REGS;
9361 MONO_CHECK_ARG_NULL (src);
9362 MONO_CHECK_ARG_NULL (dest);
9364 if (dest->obj.vtable->klass->rank != 1)
9365 mono_raise_exception (mono_get_exception_argument ("array", "array is multi-dimensional"));
9366 if (start_index < 0)
9367 mono_raise_exception (mono_get_exception_argument ("startIndex", "Must be >= 0"));
9369 mono_raise_exception (mono_get_exception_argument ("length", "Must be >= 0"));
9370 if (start_index + length > mono_array_length (dest))
9371 mono_raise_exception (mono_get_exception_argument ("length", "start_index + length > array length"));
9373 element_size = mono_array_element_size (dest->obj.vtable->klass);
9375 /* no references should be involved */
9376 dest_addr = mono_array_addr_with_size (dest, element_size, start_index);
9378 memcpy (dest_addr, src, length * element_size);
9381 #if NO_UNALIGNED_ACCESS
9382 #define RETURN_UNALIGNED(type, addr) \
9385 memcpy(&val, p + offset, sizeof(val)); \
9388 #define WRITE_UNALIGNED(type, addr, val) \
9389 memcpy(addr, &val, sizeof(type))
9391 #define RETURN_UNALIGNED(type, addr) \
9392 return *(type*)(p + offset);
9393 #define WRITE_UNALIGNED(type, addr, val) \
9394 (*(type *)(addr) = (val))
9398 ves_icall_System_Runtime_InteropServices_Marshal_ReadIntPtr (gpointer ptr, gint32 offset)
9402 MONO_ARCH_SAVE_REGS;
9404 RETURN_UNALIGNED(gpointer, p + offset);
9408 ves_icall_System_Runtime_InteropServices_Marshal_ReadByte (gpointer ptr, gint32 offset)
9412 MONO_ARCH_SAVE_REGS;
9414 return *(unsigned char*)(p + offset);
9418 ves_icall_System_Runtime_InteropServices_Marshal_ReadInt16 (gpointer ptr, gint32 offset)
9422 MONO_ARCH_SAVE_REGS;
9424 RETURN_UNALIGNED(gint16, p + offset);
9428 ves_icall_System_Runtime_InteropServices_Marshal_ReadInt32 (gpointer ptr, gint32 offset)
9432 MONO_ARCH_SAVE_REGS;
9434 RETURN_UNALIGNED(gint32, p + offset);
9438 ves_icall_System_Runtime_InteropServices_Marshal_ReadInt64 (gpointer ptr, gint32 offset)
9442 MONO_ARCH_SAVE_REGS;
9444 RETURN_UNALIGNED(gint64, p + offset);
9448 ves_icall_System_Runtime_InteropServices_Marshal_WriteByte (gpointer ptr, gint32 offset, unsigned char val)
9452 MONO_ARCH_SAVE_REGS;
9454 *(unsigned char*)(p + offset) = val;
9458 ves_icall_System_Runtime_InteropServices_Marshal_WriteIntPtr (gpointer ptr, gint32 offset, gpointer val)
9462 MONO_ARCH_SAVE_REGS;
9464 WRITE_UNALIGNED(gpointer, p + offset, val);
9468 ves_icall_System_Runtime_InteropServices_Marshal_WriteInt16 (gpointer ptr, gint32 offset, gint16 val)
9472 MONO_ARCH_SAVE_REGS;
9474 WRITE_UNALIGNED(gint16, p + offset, val);
9478 ves_icall_System_Runtime_InteropServices_Marshal_WriteInt32 (gpointer ptr, gint32 offset, gint32 val)
9482 MONO_ARCH_SAVE_REGS;
9484 WRITE_UNALIGNED(gint32, p + offset, val);
9488 ves_icall_System_Runtime_InteropServices_Marshal_WriteInt64 (gpointer ptr, gint32 offset, gint64 val)
9492 MONO_ARCH_SAVE_REGS;
9494 WRITE_UNALIGNED(gint64, p + offset, val);
9498 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringAnsi (char *ptr)
9500 MONO_ARCH_SAVE_REGS;
9505 return mono_string_new (mono_domain_get (), ptr);
9509 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringAnsi_len (char *ptr, gint32 len)
9511 MONO_ARCH_SAVE_REGS;
9514 mono_raise_exception (mono_get_exception_argument_null ("ptr"));
9515 g_assert_not_reached ();
9518 return mono_string_new_len (mono_domain_get (), ptr, len);
9523 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringUni (guint16 *ptr)
9525 MonoDomain *domain = mono_domain_get ();
9529 MONO_ARCH_SAVE_REGS;
9537 return mono_string_new_utf16 (domain, ptr, len);
9541 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringUni_len (guint16 *ptr, gint32 len)
9543 MonoDomain *domain = mono_domain_get ();
9545 MONO_ARCH_SAVE_REGS;
9548 mono_raise_exception (mono_get_exception_argument_null ("ptr"));
9549 g_assert_not_reached ();
9552 return mono_string_new_utf16 (domain, ptr, len);
9557 ves_icall_System_Runtime_InteropServices_Marshal_GetLastWin32Error (void)
9559 MONO_ARCH_SAVE_REGS;
9561 return (GPOINTER_TO_INT (TlsGetValue (last_error_tls_id)));
9565 ves_icall_System_Runtime_InteropServices_Marshal_SizeOf (MonoReflectionType *rtype)
9571 MONO_ARCH_SAVE_REGS;
9573 MONO_CHECK_ARG_NULL (rtype);
9576 klass = mono_class_from_mono_type (type);
9577 layout = (klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK);
9579 if (layout == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
9583 msg = g_strdup_printf ("Type %s cannot be marshaled as an unmanaged structure.", klass->name);
9584 exc = mono_get_exception_argument ("t", msg);
9586 mono_raise_exception (exc);
9590 return mono_class_native_size (klass, NULL);
9594 ves_icall_System_Runtime_InteropServices_Marshal_StructureToPtr (MonoObject *obj, gpointer dst, MonoBoolean delete_old)
9599 MONO_ARCH_SAVE_REGS;
9601 MONO_CHECK_ARG_NULL (obj);
9602 MONO_CHECK_ARG_NULL (dst);
9604 method = mono_marshal_get_struct_to_ptr (obj->vtable->klass);
9608 pa [2] = &delete_old;
9610 mono_runtime_invoke (method, NULL, pa, NULL);
9614 ptr_to_structure (gpointer src, MonoObject *dst)
9619 method = mono_marshal_get_ptr_to_struct (dst->vtable->klass);
9624 mono_runtime_invoke (method, NULL, pa, NULL);
9628 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure (gpointer src, MonoObject *dst)
9632 MONO_ARCH_SAVE_REGS;
9634 MONO_CHECK_ARG_NULL (src);
9635 MONO_CHECK_ARG_NULL (dst);
9637 t = mono_type_get_underlying_type (mono_class_get_type (dst->vtable->klass));
9639 if (t->type == MONO_TYPE_VALUETYPE) {
9643 tmp = g_strdup_printf ("Destination is a boxed value type.");
9644 exc = mono_get_exception_argument ("dst", tmp);
9647 mono_raise_exception (exc);
9651 ptr_to_structure (src, dst);
9655 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure_type (gpointer src, MonoReflectionType *type)
9657 MonoDomain *domain = mono_domain_get ();
9660 MONO_ARCH_SAVE_REGS;
9662 MONO_CHECK_ARG_NULL (src);
9663 MONO_CHECK_ARG_NULL (type);
9665 res = mono_object_new (domain, mono_class_from_mono_type (type->type));
9667 ptr_to_structure (src, res);
9673 ves_icall_System_Runtime_InteropServices_Marshal_OffsetOf (MonoReflectionType *type, MonoString *field_name)
9675 MonoMarshalType *info;
9678 int match_index = -1;
9680 MONO_ARCH_SAVE_REGS;
9682 MONO_CHECK_ARG_NULL (type);
9683 MONO_CHECK_ARG_NULL (field_name);
9685 fname = mono_string_to_utf8 (field_name);
9686 klass = mono_class_from_mono_type (type->type);
9688 while (klass && match_index == -1) {
9689 MonoClassField* field;
9691 gpointer iter = NULL;
9692 while ((field = mono_class_get_fields (klass, &iter))) {
9693 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
9695 if (!strcmp (fname, mono_field_get_name (field))) {
9702 if (match_index == -1)
9703 klass = klass->parent;
9708 if(match_index == -1) {
9712 /* Get back original class instance */
9713 klass = mono_class_from_mono_type (type->type);
9715 tmp = g_strdup_printf ("Field passed in is not a marshaled member of the type %s", klass->name);
9716 exc = mono_get_exception_argument ("fieldName", tmp);
9719 mono_raise_exception ((MonoException*)exc);
9722 info = mono_marshal_load_type_info (klass);
9723 return info->fields [match_index].offset;
9727 ves_icall_System_Runtime_InteropServices_Marshal_StringToHGlobalAnsi (MonoString *string)
9729 #ifdef PLATFORM_WIN32
9732 tres = mono_string_to_utf8 (string);
9736 len = strlen (tres) + 1;
9737 ret = ves_icall_System_Runtime_InteropServices_Marshal_AllocHGlobal (len);
9738 memcpy (ret, tres, len);
9743 return mono_string_to_utf8 (string);
9748 ves_icall_System_Runtime_InteropServices_Marshal_StringToHGlobalUni (MonoString *string)
9750 MONO_ARCH_SAVE_REGS;
9755 #ifdef PLATFORM_WIN32
9756 gunichar2 *res = ves_icall_System_Runtime_InteropServices_Marshal_AllocHGlobal
9757 ((mono_string_length (string) + 1) * 2);
9759 gunichar2 *res = g_malloc ((mono_string_length (string) + 1) * 2);
9761 memcpy (res, mono_string_chars (string), mono_string_length (string) * 2);
9762 res [mono_string_length (string)] = 0;
9768 mono_struct_delete_old (MonoClass *klass, char *ptr)
9770 MonoMarshalType *info;
9773 info = mono_marshal_load_type_info (klass);
9775 for (i = 0; i < info->num_fields; i++) {
9776 MonoMarshalNative ntype;
9777 MonoMarshalConv conv;
9778 MonoType *ftype = info->fields [i].field->type;
9781 if (ftype->attrs & FIELD_ATTRIBUTE_STATIC)
9784 ntype = mono_type_to_unmanaged (ftype, info->fields [i].mspec, TRUE,
9785 klass->unicode, &conv);
9787 cpos = ptr + info->fields [i].offset;
9790 case MONO_MARSHAL_CONV_NONE:
9791 if (MONO_TYPE_ISSTRUCT (ftype)) {
9792 mono_struct_delete_old (ftype->data.klass, cpos);
9796 case MONO_MARSHAL_CONV_STR_LPWSTR:
9797 /* We assume this field points inside a MonoString */
9799 case MONO_MARSHAL_CONV_STR_LPTSTR:
9800 #ifdef PLATFORM_WIN32
9801 /* We assume this field points inside a MonoString
9805 case MONO_MARSHAL_CONV_STR_LPSTR:
9806 case MONO_MARSHAL_CONV_STR_BSTR:
9807 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
9808 case MONO_MARSHAL_CONV_STR_TBSTR:
9809 mono_marshal_free (*(gpointer *)cpos);
9819 ves_icall_System_Runtime_InteropServices_Marshal_DestroyStructure (gpointer src, MonoReflectionType *type)
9823 MONO_ARCH_SAVE_REGS;
9825 MONO_CHECK_ARG_NULL (src);
9826 MONO_CHECK_ARG_NULL (type);
9828 klass = mono_class_from_mono_type (type->type);
9830 mono_struct_delete_old (klass, (char *)src);
9834 ves_icall_System_Runtime_InteropServices_Marshal_AllocHGlobal (int size)
9838 MONO_ARCH_SAVE_REGS;
9840 if ((gulong)size == 0)
9841 /* This returns a valid pointer for size 0 on MS.NET */
9844 #ifdef PLATFORM_WIN32
9845 res = GlobalAlloc (GMEM_FIXED, (gulong)size);
9847 res = g_try_malloc ((gulong)size);
9850 mono_gc_out_of_memory ((gulong)size);
9856 ves_icall_System_Runtime_InteropServices_Marshal_ReAllocHGlobal (gpointer ptr, int size)
9861 mono_gc_out_of_memory ((gulong)size);
9865 #ifdef PLATFORM_WIN32
9866 res = GlobalReAlloc (ptr, (gulong)size, GMEM_MOVEABLE);
9868 res = g_try_realloc (ptr, (gulong)size);
9871 mono_gc_out_of_memory ((gulong)size);
9877 ves_icall_System_Runtime_InteropServices_Marshal_FreeHGlobal (void *ptr)
9879 MONO_ARCH_SAVE_REGS;
9881 #ifdef PLATFORM_WIN32
9889 ves_icall_System_Runtime_InteropServices_Marshal_AllocCoTaskMem (int size)
9891 MONO_ARCH_SAVE_REGS;
9893 #ifdef PLATFORM_WIN32
9894 return CoTaskMemAlloc (size);
9896 return g_try_malloc ((gulong)size);
9901 ves_icall_System_Runtime_InteropServices_Marshal_FreeCoTaskMem (void *ptr)
9903 MONO_ARCH_SAVE_REGS;
9905 #ifdef PLATFORM_WIN32
9906 CoTaskMemFree (ptr);
9913 ves_icall_System_Runtime_InteropServices_Marshal_ReAllocCoTaskMem (gpointer ptr, int size)
9915 MONO_ARCH_SAVE_REGS;
9917 #ifdef PLATFORM_WIN32
9918 return CoTaskMemRealloc (ptr, size);
9920 return g_try_realloc (ptr, (gulong)size);
9925 ves_icall_System_Runtime_InteropServices_Marshal_UnsafeAddrOfPinnedArrayElement (MonoArray *arrayobj, int index)
9927 return mono_array_addr_with_size (arrayobj, mono_array_element_size (arrayobj->obj.vtable->klass), index);
9931 ves_icall_System_Runtime_InteropServices_Marshal_GetDelegateForFunctionPointerInternal (void *ftn, MonoReflectionType *type)
9933 return mono_ftnptr_to_delegate (mono_type_get_class (type->type), ftn);
9937 * mono_marshal_is_loading_type_info:
9939 * Return whenever mono_marshal_load_type_info () is being executed for KLASS by this
9943 mono_marshal_is_loading_type_info (MonoClass *klass)
9945 GSList *loads_list = TlsGetValue (load_type_info_tls_id);
9947 return g_slist_find (loads_list, klass) != NULL;
9951 * mono_marshal_load_type_info:
9953 * Initialize klass->marshal_info using information from metadata. This function can
9954 * recursively call itself, and the caller is responsible to avoid that by calling
9955 * mono_marshal_is_loading_type_info () beforehand.
9957 * LOCKING: Acquires the loader lock.
9960 mono_marshal_load_type_info (MonoClass* klass)
9963 guint32 native_size = 0, min_align = 1;
9964 MonoMarshalType *info;
9965 MonoClassField* field;
9970 g_assert (klass != NULL);
9972 if (klass->marshal_info)
9973 return klass->marshal_info;
9976 mono_class_init (klass);
9978 mono_loader_lock ();
9980 if (klass->marshal_info) {
9981 mono_loader_unlock ();
9982 return klass->marshal_info;
9986 * This function can recursively call itself, so we keep the list of classes which are
9987 * under initialization in a TLS list.
9989 g_assert (!mono_marshal_is_loading_type_info (klass));
9990 loads_list = TlsGetValue (load_type_info_tls_id);
9991 loads_list = g_slist_prepend (loads_list, klass);
9992 TlsSetValue (load_type_info_tls_id, loads_list);
9995 while ((field = mono_class_get_fields (klass, &iter))) {
9996 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
9998 if (mono_field_is_deleted (field))
10003 layout = klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK;
10005 /* The mempool is protected by the loader lock */
10006 info = mono_image_alloc0 (klass->image, MONO_SIZEOF_MARSHAL_TYPE + sizeof (MonoMarshalField) * count);
10007 info->num_fields = count;
10009 /* Try to find a size for this type in metadata */
10010 mono_metadata_packing_from_typedef (klass->image, klass->type_token, NULL, &native_size);
10012 if (klass->parent) {
10013 int parent_size = mono_class_native_size (klass->parent, NULL);
10015 /* Add parent size to real size */
10016 native_size += parent_size;
10017 info->native_size = parent_size;
10022 while ((field = mono_class_get_fields (klass, &iter))) {
10026 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
10029 if (mono_field_is_deleted (field))
10031 if (field->type->attrs & FIELD_ATTRIBUTE_HAS_FIELD_MARSHAL)
10032 mono_metadata_field_info_with_mempool (klass->image, mono_metadata_token_index (mono_class_get_field_token (field)) - 1,
10033 NULL, NULL, &info->fields [j].mspec);
10035 info->fields [j].field = field;
10037 if ((mono_class_num_fields (klass) == 1) && (klass->instance_size == sizeof (MonoObject)) &&
10038 (strcmp (mono_field_get_name (field), "$PRIVATE$") == 0)) {
10039 /* This field is a hack inserted by MCS to empty structures */
10044 case TYPE_ATTRIBUTE_AUTO_LAYOUT:
10045 case TYPE_ATTRIBUTE_SEQUENTIAL_LAYOUT:
10046 size = mono_marshal_type_size (field->type, info->fields [j].mspec,
10047 &align, TRUE, klass->unicode);
10048 align = klass->packing_size ? MIN (klass->packing_size, align): align;
10049 min_align = MAX (align, min_align);
10050 info->fields [j].offset = info->native_size;
10051 info->fields [j].offset += align - 1;
10052 info->fields [j].offset &= ~(align - 1);
10053 info->native_size = info->fields [j].offset + size;
10055 case TYPE_ATTRIBUTE_EXPLICIT_LAYOUT:
10056 size = mono_marshal_type_size (field->type, info->fields [j].mspec,
10057 &align, TRUE, klass->unicode);
10058 align = klass->packing_size ? MIN (klass->packing_size, align): align;
10059 min_align = MAX (align, min_align);
10060 info->fields [j].offset = field->offset - sizeof (MonoObject);
10061 info->native_size = MAX (info->native_size, info->fields [j].offset + size);
10067 if(layout != TYPE_ATTRIBUTE_AUTO_LAYOUT) {
10068 info->native_size = MAX (native_size, info->native_size);
10071 if (info->native_size & (min_align - 1)) {
10072 info->native_size += min_align - 1;
10073 info->native_size &= ~(min_align - 1);
10076 info->min_align = min_align;
10078 /* Update the class's blittable info, if the layouts don't match */
10079 if (info->native_size != mono_class_value_size (klass, NULL))
10080 klass->blittable = FALSE;
10082 /* If this is an array type, ensure that we have element info */
10083 if (klass->element_class && !mono_marshal_is_loading_type_info (klass->element_class)) {
10084 mono_marshal_load_type_info (klass->element_class);
10087 loads_list = TlsGetValue (load_type_info_tls_id);
10088 loads_list = g_slist_remove (loads_list, klass);
10089 TlsSetValue (load_type_info_tls_id, loads_list);
10091 /*We do double-checking locking on marshal_info */
10092 mono_memory_barrier ();
10094 klass->marshal_info = info;
10096 mono_loader_unlock ();
10098 return klass->marshal_info;
10102 * mono_class_native_size:
10105 * Returns: the native size of an object instance (when marshaled
10106 * to unmanaged code)
10109 mono_class_native_size (MonoClass *klass, guint32 *align)
10111 if (!klass->marshal_info) {
10112 if (mono_marshal_is_loading_type_info (klass)) {
10117 mono_marshal_load_type_info (klass);
10122 *align = klass->marshal_info->min_align;
10124 return klass->marshal_info->native_size;
10127 /* __alignof__ returns the preferred alignment of values not the actual alignment used by
10128 the compiler so is wrong e.g. for Linux where doubles are aligned on a 4 byte boundary
10129 but __alignof__ returns 8 - using G_STRUCT_OFFSET works better */
10130 #define ALIGNMENT(type) G_STRUCT_OFFSET(struct { char c; type x; }, x)
10133 * mono_type_native_stack_size:
10134 * @t: the type to return the size it uses on the stack
10136 * Returns: the number of bytes required to hold an instance of this
10137 * type on the native stack
10140 mono_type_native_stack_size (MonoType *t, guint32 *align)
10144 g_assert (t != NULL);
10150 *align = sizeof (gpointer);
10151 return sizeof (gpointer);
10155 case MONO_TYPE_BOOLEAN:
10156 case MONO_TYPE_CHAR:
10167 case MONO_TYPE_STRING:
10168 case MONO_TYPE_OBJECT:
10169 case MONO_TYPE_CLASS:
10170 case MONO_TYPE_SZARRAY:
10171 case MONO_TYPE_PTR:
10172 case MONO_TYPE_FNPTR:
10173 case MONO_TYPE_ARRAY:
10174 *align = sizeof (gpointer);
10175 return sizeof (gpointer);
10180 *align = ALIGNMENT (gdouble);
10184 *align = ALIGNMENT (glong);
10186 case MONO_TYPE_GENERICINST:
10187 if (!mono_type_generic_inst_is_valuetype (t)) {
10188 *align = sizeof (gpointer);
10189 return sizeof (gpointer);
10192 case MONO_TYPE_TYPEDBYREF:
10193 case MONO_TYPE_VALUETYPE: {
10195 MonoClass *klass = mono_class_from_mono_type (t);
10197 if (klass->enumtype)
10198 return mono_type_native_stack_size (mono_class_enum_basetype (klass), align);
10200 size = mono_class_native_size (klass, align);
10201 *align = *align + 3;
10211 g_error ("type 0x%02x unknown", t->type);
10217 mono_marshal_type_size (MonoType *type, MonoMarshalSpec *mspec, guint32 *align,
10218 gboolean as_field, gboolean unicode)
10220 MonoMarshalNative native_type = mono_type_to_unmanaged (type, mspec, as_field, unicode, NULL);
10223 switch (native_type) {
10224 case MONO_NATIVE_BOOLEAN:
10227 case MONO_NATIVE_I1:
10228 case MONO_NATIVE_U1:
10231 case MONO_NATIVE_I2:
10232 case MONO_NATIVE_U2:
10233 case MONO_NATIVE_VARIANTBOOL:
10236 case MONO_NATIVE_I4:
10237 case MONO_NATIVE_U4:
10238 case MONO_NATIVE_ERROR:
10241 case MONO_NATIVE_I8:
10242 case MONO_NATIVE_U8:
10243 *align = ALIGNMENT(guint64);
10245 case MONO_NATIVE_R4:
10248 case MONO_NATIVE_R8:
10249 *align = ALIGNMENT(double);
10251 case MONO_NATIVE_INT:
10252 case MONO_NATIVE_UINT:
10253 case MONO_NATIVE_LPSTR:
10254 case MONO_NATIVE_LPWSTR:
10255 case MONO_NATIVE_LPTSTR:
10256 case MONO_NATIVE_BSTR:
10257 case MONO_NATIVE_ANSIBSTR:
10258 case MONO_NATIVE_TBSTR:
10259 case MONO_NATIVE_LPARRAY:
10260 case MONO_NATIVE_SAFEARRAY:
10261 case MONO_NATIVE_IUNKNOWN:
10262 case MONO_NATIVE_IDISPATCH:
10263 case MONO_NATIVE_INTERFACE:
10264 case MONO_NATIVE_ASANY:
10265 case MONO_NATIVE_FUNC:
10266 case MONO_NATIVE_LPSTRUCT:
10267 *align = ALIGNMENT(gpointer);
10268 return sizeof (gpointer);
10269 case MONO_NATIVE_STRUCT:
10270 klass = mono_class_from_mono_type (type);
10271 if (klass == mono_defaults.object_class &&
10272 (mspec && mspec->native == MONO_NATIVE_STRUCT)) {
10276 return mono_class_native_size (klass, align);
10277 case MONO_NATIVE_BYVALTSTR: {
10278 int esize = unicode ? 2: 1;
10281 return mspec->data.array_data.num_elem * esize;
10283 case MONO_NATIVE_BYVALARRAY: {
10284 // FIXME: Have to consider ArraySubType
10286 klass = mono_class_from_mono_type (type);
10287 if (klass->element_class == mono_defaults.char_class) {
10288 esize = unicode ? 2 : 1;
10291 esize = mono_class_native_size (klass->element_class, align);
10294 return mspec->data.array_data.num_elem * esize;
10296 case MONO_NATIVE_CUSTOM:
10297 *align = sizeof (gpointer);
10298 return sizeof (gpointer);
10300 case MONO_NATIVE_CURRENCY:
10301 case MONO_NATIVE_VBBYREFSTR:
10303 g_error ("native type %02x not implemented", native_type);
10306 g_assert_not_reached ();
10311 mono_marshal_asany (MonoObject *o, MonoMarshalNative string_encoding, int param_attrs)
10319 t = &o->vtable->klass->byval_arg;
10323 case MONO_TYPE_PTR:
10326 case MONO_TYPE_BOOLEAN:
10329 case MONO_TYPE_CHAR:
10334 return mono_object_unbox (o);
10336 case MONO_TYPE_STRING:
10337 switch (string_encoding) {
10338 case MONO_NATIVE_LPWSTR:
10339 return mono_string_to_utf16 ((MonoString*)o);
10341 case MONO_NATIVE_LPSTR:
10342 return mono_string_to_lpstr ((MonoString*)o);
10345 g_warning ("marshaling conversion %d not implemented", string_encoding);
10346 g_assert_not_reached ();
10349 case MONO_TYPE_CLASS:
10350 case MONO_TYPE_VALUETYPE: {
10351 MonoMethod *method;
10354 MonoBoolean delete_old = FALSE;
10356 klass = t->data.klass;
10358 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT)
10361 if (klass->valuetype && (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
10362 klass->blittable || klass->enumtype))
10363 return mono_object_unbox (o);
10365 res = mono_marshal_alloc (mono_class_native_size (klass, NULL));
10367 if (!((param_attrs & PARAM_ATTRIBUTE_OUT) && !(param_attrs & PARAM_ATTRIBUTE_IN))) {
10368 method = mono_marshal_get_struct_to_ptr (o->vtable->klass);
10372 pa [2] = &delete_old;
10374 mono_runtime_invoke (method, NULL, pa, NULL);
10381 mono_raise_exception (mono_get_exception_argument ("", "No PInvoke conversion exists for value passed to Object-typed parameter."));
10387 mono_marshal_free_asany (MonoObject *o, gpointer ptr, MonoMarshalNative string_encoding, int param_attrs)
10395 t = &o->vtable->klass->byval_arg;
10397 case MONO_TYPE_STRING:
10398 switch (string_encoding) {
10399 case MONO_NATIVE_LPWSTR:
10400 case MONO_NATIVE_LPSTR:
10401 mono_marshal_free (ptr);
10404 g_warning ("marshaling conversion %d not implemented", string_encoding);
10405 g_assert_not_reached ();
10408 case MONO_TYPE_CLASS:
10409 case MONO_TYPE_VALUETYPE: {
10410 klass = t->data.klass;
10412 if (klass->valuetype && (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
10413 klass->blittable || klass->enumtype))
10416 if (param_attrs & PARAM_ATTRIBUTE_OUT) {
10417 MonoMethod *method = mono_marshal_get_ptr_to_struct (o->vtable->klass);
10423 mono_runtime_invoke (method, NULL, pa, NULL);
10426 if (!((param_attrs & PARAM_ATTRIBUTE_OUT) && !(param_attrs & PARAM_ATTRIBUTE_IN))) {
10427 mono_struct_delete_old (klass, ptr);
10430 mono_marshal_free (ptr);
10439 mono_marshal_get_generic_array_helper (MonoClass *class, MonoClass *iface, gchar *name, MonoMethod *method)
10441 MonoMethodSignature *sig, *csig;
10442 MonoMethodBuilder *mb;
10446 mb = mono_mb_new_no_dup_name (class, name, MONO_WRAPPER_MANAGED_TO_MANAGED);
10447 mb->method->slot = -1;
10449 mb->method->flags = METHOD_ATTRIBUTE_PRIVATE | METHOD_ATTRIBUTE_VIRTUAL |
10450 METHOD_ATTRIBUTE_NEW_SLOT | METHOD_ATTRIBUTE_HIDE_BY_SIG | METHOD_ATTRIBUTE_FINAL;
10452 sig = mono_method_signature (method);
10453 csig = signature_dup (method->klass->image, sig);
10454 csig->generic_param_count = 0;
10456 mono_mb_emit_ldarg (mb, 0);
10457 for (i = 0; i < csig->param_count; i++)
10458 mono_mb_emit_ldarg (mb, i + 1);
10459 mono_mb_emit_managed_call (mb, method, NULL);
10460 mono_mb_emit_byte (mb, CEE_RET);
10462 /* We can corlib internal methods */
10463 mb->skip_visibility = TRUE;
10465 res = mono_mb_create_method (mb, csig, csig->param_count + 16);
10473 * The mono_win32_compat_* functions are implementations of inline
10474 * Windows kernel32 APIs, which are DllImport-able under MS.NET,
10475 * although not exported by kernel32.
10477 * We map the appropiate kernel32 entries to these functions using
10478 * dllmaps declared in the global etc/mono/config.
10482 mono_win32_compat_CopyMemory (gpointer dest, gconstpointer source, gsize length)
10484 if (!dest || !source)
10487 memcpy (dest, source, length);
10491 mono_win32_compat_FillMemory (gpointer dest, gsize length, guchar fill)
10493 memset (dest, fill, length);
10497 mono_win32_compat_MoveMemory (gpointer dest, gconstpointer source, gsize length)
10499 if (!dest || !source)
10502 memmove (dest, source, length);
10506 mono_win32_compat_ZeroMemory (gpointer dest, gsize length)
10508 memset (dest, 0, length);
10512 mono_marshal_find_nonzero_bit_offset (guint8 *buf, int len, int *byte_offset, guint8 *bitmask)
10517 for (i = 0; i < len; ++i)
10521 g_assert (i < len);
10524 while (byte && !(byte & 1))
10526 g_assert (byte == 1);
10529 *bitmask = buf [i];
10533 mono_marshal_get_thunk_invoke_wrapper (MonoMethod *method)
10535 MonoMethodBuilder *mb;
10536 MonoMethodSignature *sig, *csig;
10537 MonoExceptionClause *clause;
10542 int i, param_count, sig_size, pos_leave;
10546 klass = method->klass;
10547 image = method->klass->image;
10548 cache = get_cache (&image->thunk_invoke_cache, mono_aligned_addr_hash, NULL);
10550 if ((res = mono_marshal_find_in_cache (cache, method)))
10553 sig = mono_method_signature (method);
10554 mb = mono_mb_new (klass, method->name, MONO_WRAPPER_NATIVE_TO_MANAGED);
10556 /* add "this" and exception param */
10557 param_count = sig->param_count + sig->hasthis + 1;
10559 /* dup & extend signature */
10560 csig = mono_metadata_signature_alloc (image, param_count);
10561 sig_size = MONO_SIZEOF_METHOD_SIGNATURE + sig->param_count * sizeof (MonoType *);
10562 memcpy (csig, sig, sig_size);
10563 csig->param_count = param_count;
10566 csig->call_convention = MONO_CALL_DEFAULT;
10568 if (sig->hasthis) {
10570 csig->params [0] = &klass->byval_arg;
10571 /* move params up by one */
10572 for (i = 0; i < sig->param_count; i++)
10573 csig->params [i + 1] = sig->params [i];
10576 /* setup exception param as byref+[out] */
10577 csig->params [param_count - 1] = mono_metadata_type_dup (image,
10578 &mono_defaults.exception_class->byval_arg);
10579 csig->params [param_count - 1]->byref = 1;
10580 csig->params [param_count - 1]->attrs = PARAM_ATTRIBUTE_OUT;
10582 /* convert struct return to object */
10583 if (MONO_TYPE_ISSTRUCT (sig->ret))
10584 csig->ret = &mono_defaults.object_class->byval_arg;
10586 /* local 0 (temp for exception object) */
10587 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
10589 /* local 1 (temp for result) */
10590 if (!MONO_TYPE_IS_VOID (sig->ret))
10591 mono_mb_add_local (mb, sig->ret);
10593 /* clear exception arg */
10594 mono_mb_emit_ldarg (mb, param_count - 1);
10595 mono_mb_emit_byte (mb, CEE_LDNULL);
10596 mono_mb_emit_byte (mb, CEE_STIND_REF);
10599 clause = mono_image_alloc0 (image, sizeof (MonoExceptionClause));
10600 clause->try_offset = mono_mb_get_label (mb);
10602 /* push method's args */
10603 for (i = 0; i < param_count - 1; i++) {
10607 mono_mb_emit_ldarg (mb, i);
10609 /* get the byval type of the param */
10610 klass = mono_class_from_mono_type (csig->params [i]);
10611 type = &klass->byval_arg;
10613 /* unbox struct args */
10614 if (MONO_TYPE_ISSTRUCT (type)) {
10615 mono_mb_emit_op (mb, CEE_UNBOX, klass);
10617 /* byref args & and the "this" arg must remain a ptr.
10618 Otherwise make a copy of the value type */
10619 if (!(csig->params [i]->byref || (i == 0 && sig->hasthis)))
10620 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
10622 csig->params [i] = &mono_defaults.object_class->byval_arg;
10627 if (method->flags & METHOD_ATTRIBUTE_VIRTUAL)
10628 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
10630 mono_mb_emit_op (mb, CEE_CALL, method);
10632 /* save result at local 1 */
10633 if (!MONO_TYPE_IS_VOID (sig->ret))
10634 mono_mb_emit_stloc (mb, 1);
10636 pos_leave = mono_mb_emit_branch (mb, CEE_LEAVE);
10639 clause->flags = MONO_EXCEPTION_CLAUSE_NONE;
10640 clause->try_len = mono_mb_get_pos (mb) - clause->try_offset;
10641 clause->data.catch_class = mono_defaults.object_class;
10643 clause->handler_offset = mono_mb_get_label (mb);
10645 /* store exception at local 0 */
10646 mono_mb_emit_stloc (mb, 0);
10647 mono_mb_emit_ldarg (mb, param_count - 1);
10648 mono_mb_emit_ldloc (mb, 0);
10649 mono_mb_emit_byte (mb, CEE_STIND_REF);
10650 mono_mb_emit_branch (mb, CEE_LEAVE);
10652 clause->handler_len = mono_mb_get_pos (mb) - clause->handler_offset;
10654 mono_mb_set_clauses (mb, 1, clause);
10656 mono_mb_patch_branch (mb, pos_leave);
10659 if (!MONO_TYPE_IS_VOID (sig->ret)) {
10660 mono_mb_emit_ldloc (mb, 1);
10662 /* box the return value */
10663 if (MONO_TYPE_ISSTRUCT (sig->ret))
10664 mono_mb_emit_op (mb, CEE_BOX, mono_class_from_mono_type (sig->ret));
10667 mono_mb_emit_byte (mb, CEE_RET);
10669 res = mono_mb_create_and_cache (cache, method, mb, csig, param_count + 16);
10676 * mono_marshal_free_dynamic_wrappers:
10678 * Free wrappers of the dynamic method METHOD.
10681 mono_marshal_free_dynamic_wrappers (MonoMethod *method)
10683 g_assert (method->dynamic);
10685 mono_marshal_lock ();
10687 * FIXME: We currently leak the wrappers. Freeing them would be tricky as
10688 * they could be shared with other methods ?
10690 if (method->klass->image->runtime_invoke_direct_cache)
10691 g_hash_table_remove (method->klass->image->runtime_invoke_direct_cache, method);
10692 mono_marshal_unlock ();
10696 * mono_marshal_free_inflated_wrappers:
10698 * Free wrappers of the inflated method METHOD.
10702 signature_method_pair_matches_signature (gpointer key, gpointer value, gpointer user_data)
10704 SignatureMethodPair *pair = (SignatureMethodPair*)key;
10705 MonoMethodSignature *sig = (MonoMethodSignature*)user_data;
10707 return mono_metadata_signature_equal (pair->sig, sig);
10711 mono_marshal_free_inflated_wrappers (MonoMethod *method)
10713 MonoMethodSignature *sig = method->signature;
10715 g_assert (method->is_inflated);
10717 /* Ignore calls occuring late during cleanup. */
10718 if (!marshal_mutex_initialized)
10721 mono_marshal_lock ();
10723 * FIXME: We currently leak the wrappers. Freeing them would be tricky as
10724 * they could be shared with other methods ?
10728 * indexed by MonoMethodSignature
10730 /* FIXME: This could remove unrelated wrappers as well */
10731 if (sig && method->klass->image->delegate_begin_invoke_cache)
10732 g_hash_table_remove (method->klass->image->delegate_begin_invoke_cache, sig);
10733 if (sig && method->klass->image->delegate_end_invoke_cache)
10734 g_hash_table_remove (method->klass->image->delegate_end_invoke_cache, sig);
10735 if (sig && method->klass->image->delegate_invoke_cache)
10736 g_hash_table_remove (method->klass->image->delegate_invoke_cache, sig);
10737 if (sig && method->klass->image->runtime_invoke_cache)
10738 g_hash_table_remove (method->klass->image->runtime_invoke_cache, sig);
10741 * indexed by SignatureMethodPair
10743 if (sig && method->klass->image->delegate_abstract_invoke_cache)
10744 g_hash_table_foreach_remove (method->klass->image->delegate_abstract_invoke_cache,
10745 signature_method_pair_matches_signature, (gpointer)sig);
10748 * indexed by MonoMethod pointers
10750 if (method->klass->image->runtime_invoke_direct_cache)
10751 g_hash_table_remove (method->klass->image->runtime_invoke_direct_cache, method);
10752 if (method->klass->image->managed_wrapper_cache)
10753 g_hash_table_remove (method->klass->image->managed_wrapper_cache, method);
10754 if (method->klass->image->native_wrapper_cache)
10755 g_hash_table_remove (method->klass->image->native_wrapper_cache, method);
10756 if (method->klass->image->remoting_invoke_cache)
10757 g_hash_table_remove (method->klass->image->remoting_invoke_cache, method);
10758 if (method->klass->image->synchronized_cache)
10759 g_hash_table_remove (method->klass->image->synchronized_cache, method);
10760 if (method->klass->image->unbox_wrapper_cache)
10761 g_hash_table_remove (method->klass->image->unbox_wrapper_cache, method);
10762 if (method->klass->image->cominterop_invoke_cache)
10763 g_hash_table_remove (method->klass->image->cominterop_invoke_cache, method);
10764 if (method->klass->image->cominterop_wrapper_cache)
10765 g_hash_table_remove (method->klass->image->cominterop_wrapper_cache, method);
10766 if (method->klass->image->thunk_invoke_cache)
10767 g_hash_table_remove (method->klass->image->thunk_invoke_cache, method);
10769 mono_marshal_unlock ();