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)
9 * Copyright 2011 Xamarin, Inc (http://www.xamarin.com)
21 #include "metadata/marshal.h"
22 #include "metadata/method-builder.h"
23 #include "metadata/tabledefs.h"
24 #include "metadata/exception.h"
25 #include "metadata/appdomain.h"
26 #include "mono/metadata/debug-helpers.h"
27 #include "mono/metadata/threadpool.h"
28 #include "mono/metadata/threads.h"
29 #include "mono/metadata/monitor.h"
30 #include "mono/metadata/metadata-internals.h"
31 #include "mono/metadata/domain-internals.h"
32 #include "mono/metadata/gc-internal.h"
33 #include "mono/metadata/threads-types.h"
34 #include "mono/metadata/string-icalls.h"
35 #include "mono/metadata/attrdefs.h"
36 #include "mono/metadata/gc-internal.h"
37 #include "mono/metadata/cominterop.h"
38 #include "mono/utils/mono-counters.h"
39 #include "mono/utils/mono-tls.h"
40 #include "mono/utils/mono-memory-model.h"
44 /* #define DEBUG_RUNTIME_CODE */
46 #define OPDEF(a,b,c,d,e,f,g,h,i,j) \
50 MONO_MARSHAL_NONE, /* No marshalling needed */
51 MONO_MARSHAL_COPY, /* Can be copied by value to the new domain */
52 MONO_MARSHAL_COPY_OUT, /* out parameter that needs to be copied back to the original instance */
53 MONO_MARSHAL_SERIALIZE /* Value needs to be serialized into the new domain */
54 } MonoXDomainMarshalType;
57 #include "mono/cil/opcode.def"
62 struct _MonoRemotingMethods {
64 MonoMethod *invoke_with_check;
65 MonoMethod *xdomain_invoke;
66 MonoMethod *xdomain_dispatch;
69 typedef struct _MonoRemotingMethods MonoRemotingMethods;
72 * This mutex protects the various marshalling related caches in MonoImage
73 * and a few other data structures static to this file.
74 * Note that when this lock is held it is not possible to take other runtime
75 * locks like the loader lock.
77 #define mono_marshal_lock() EnterCriticalSection (&marshal_mutex)
78 #define mono_marshal_unlock() LeaveCriticalSection (&marshal_mutex)
79 static CRITICAL_SECTION marshal_mutex;
80 static gboolean marshal_mutex_initialized;
82 static MonoNativeTlsKey last_error_tls_id;
84 static MonoNativeTlsKey load_type_info_tls_id;
86 static gboolean use_aot_wrappers;
89 delegate_hash_table_add (MonoDelegate *d);
92 emit_struct_conv (MonoMethodBuilder *mb, MonoClass *klass, gboolean to_object);
95 emit_struct_conv_full (MonoMethodBuilder *mb, MonoClass *klass, gboolean to_object, MonoMarshalNative string_encoding);
98 mono_struct_delete_old (MonoClass *klass, char *ptr);
101 mono_marshal_string_to_utf16 (MonoString *s);
104 mono_marshal_string_to_utf16_copy (MonoString *s);
107 mono_string_to_lpstr (MonoString *string_obj);
109 static MonoStringBuilder *
110 mono_string_utf8_to_builder2 (char *text);
112 static MonoStringBuilder *
113 mono_string_utf16_to_builder2 (gunichar2 *text);
116 mono_string_new_len_wrapper (const char *text, guint length);
119 mono_string_from_byvalwstr (gunichar2 *data, int len);
122 mono_byvalarray_to_array (MonoArray *arr, gpointer native_arr, MonoClass *eltype, guint32 elnum);
125 mono_array_to_byvalarray (gpointer native_arr, MonoArray *arr, MonoClass *eltype, guint32 elnum);
128 mono_remoting_wrapper (MonoMethod *method, gpointer *params);
130 static MonoAsyncResult *
131 mono_delegate_begin_invoke (MonoDelegate *delegate, gpointer *params);
134 mono_delegate_end_invoke (MonoDelegate *delegate, gpointer *params);
137 mono_marshal_xdomain_copy_out_value (MonoObject *src, MonoObject *dst);
140 mono_marshal_set_domain_by_id (gint32 id, MonoBoolean push);
143 mono_marshal_check_domain_image (gint32 domain_id, MonoImage *image);
146 mono_upgrade_remote_class_wrapper (MonoReflectionType *rtype, MonoTransparentProxy *tproxy);
148 static MonoReflectionType *
149 type_from_handle (MonoType *handle);
152 mono_marshal_set_last_error_windows (int error);
154 static void init_safe_handle (void);
156 /* MonoMethod pointers to SafeHandle::DangerousAddRef and ::DangerousRelease */
157 static MonoMethod *sh_dangerous_add_ref;
158 static MonoMethod *sh_dangerous_release;
164 sh_dangerous_add_ref = mono_class_get_method_from_name (
165 mono_defaults.safehandle_class, "DangerousAddRef", 1);
166 sh_dangerous_release = mono_class_get_method_from_name (
167 mono_defaults.safehandle_class, "DangerousRelease", 0);
171 register_icall (gpointer func, const char *name, const char *sigstr, gboolean save)
173 MonoMethodSignature *sig = mono_create_icall_signature (sigstr);
175 mono_register_jit_icall (func, name, sig, save);
178 static MonoMethodSignature*
179 signature_dup (MonoImage *image, MonoMethodSignature *sig)
181 MonoMethodSignature *res;
184 res = mono_metadata_signature_alloc (image, sig->param_count);
185 sigsize = MONO_SIZEOF_METHOD_SIGNATURE + sig->param_count * sizeof (MonoType *);
186 memcpy (res, sig, sigsize);
192 mono_signature_no_pinvoke (MonoMethod *method)
194 MonoMethodSignature *sig = mono_method_signature (method);
196 sig = signature_dup (method->klass->image, sig);
197 sig->pinvoke = FALSE;
204 mono_marshal_init (void)
206 static gboolean module_initialized = FALSE;
208 if (!module_initialized) {
209 module_initialized = TRUE;
210 InitializeCriticalSection (&marshal_mutex);
211 marshal_mutex_initialized = TRUE;
212 mono_native_tls_alloc (&last_error_tls_id, NULL);
213 mono_native_tls_alloc (&load_type_info_tls_id, NULL);
215 register_icall (ves_icall_System_Threading_Thread_ResetAbort, "ves_icall_System_Threading_Thread_ResetAbort", "void", TRUE);
216 register_icall (mono_marshal_string_to_utf16, "mono_marshal_string_to_utf16", "ptr obj", FALSE);
217 register_icall (mono_marshal_string_to_utf16_copy, "mono_marshal_string_to_utf16_copy", "ptr obj", FALSE);
218 register_icall (mono_string_to_utf16, "mono_string_to_utf16", "ptr obj", FALSE);
219 register_icall (mono_string_from_utf16, "mono_string_from_utf16", "obj ptr", FALSE);
220 register_icall (mono_string_from_byvalwstr, "mono_string_from_byvalwstr", "obj ptr int", FALSE);
221 register_icall (mono_string_new_wrapper, "mono_string_new_wrapper", "obj ptr", FALSE);
222 register_icall (mono_string_new_len_wrapper, "mono_string_new_len_wrapper", "obj ptr int", FALSE);
223 register_icall (mono_string_to_utf8, "mono_string_to_utf8", "ptr obj", FALSE);
224 register_icall (mono_string_to_lpstr, "mono_string_to_lpstr", "ptr obj", FALSE);
225 register_icall (mono_string_to_ansibstr, "mono_string_to_ansibstr", "ptr object", FALSE);
226 register_icall (mono_string_builder_to_utf8, "mono_string_builder_to_utf8", "ptr object", FALSE);
227 register_icall (mono_string_builder_to_utf16, "mono_string_builder_to_utf16", "ptr object", FALSE);
228 register_icall (mono_array_to_savearray, "mono_array_to_savearray", "ptr object", FALSE);
229 register_icall (mono_array_to_lparray, "mono_array_to_lparray", "ptr object", FALSE);
230 register_icall (mono_free_lparray, "mono_free_lparray", "void object ptr", FALSE);
231 register_icall (mono_byvalarray_to_array, "mono_byvalarray_to_array", "void object ptr ptr int32", FALSE);
232 register_icall (mono_array_to_byvalarray, "mono_array_to_byvalarray", "void ptr object ptr int32", FALSE);
233 register_icall (mono_delegate_to_ftnptr, "mono_delegate_to_ftnptr", "ptr object", FALSE);
234 register_icall (mono_ftnptr_to_delegate, "mono_ftnptr_to_delegate", "object ptr ptr", FALSE);
235 register_icall (mono_marshal_asany, "mono_marshal_asany", "ptr object int32 int32", FALSE);
236 register_icall (mono_marshal_free_asany, "mono_marshal_free_asany", "void object ptr int32 int32", FALSE);
237 register_icall (mono_marshal_alloc, "mono_marshal_alloc", "ptr int32", FALSE);
238 register_icall (mono_marshal_free, "mono_marshal_free", "void ptr", FALSE);
239 register_icall (mono_marshal_set_last_error, "mono_marshal_set_last_error", "void", FALSE);
240 register_icall (mono_marshal_set_last_error_windows, "mono_marshal_set_last_error_windows", "void int32", FALSE);
241 register_icall (mono_string_utf8_to_builder, "mono_string_utf8_to_builder", "void ptr ptr", FALSE);
242 register_icall (mono_string_utf8_to_builder2, "mono_string_utf8_to_builder2", "object ptr", FALSE);
243 register_icall (mono_string_utf16_to_builder, "mono_string_utf16_to_builder", "void ptr ptr", FALSE);
244 register_icall (mono_string_utf16_to_builder2, "mono_string_utf16_to_builder2", "object ptr", FALSE);
245 register_icall (mono_marshal_free_array, "mono_marshal_free_array", "void ptr int32", FALSE);
246 register_icall (mono_string_to_byvalstr, "mono_string_to_byvalstr", "void ptr ptr int32", FALSE);
247 register_icall (mono_string_to_byvalwstr, "mono_string_to_byvalwstr", "void ptr ptr int32", FALSE);
248 register_icall (g_free, "g_free", "void ptr", FALSE);
249 register_icall (mono_object_isinst, "mono_object_isinst", "object object ptr", FALSE);
250 register_icall (mono_struct_delete_old, "mono_struct_delete_old", "void ptr ptr", FALSE);
251 register_icall (mono_remoting_wrapper, "mono_remoting_wrapper", "object ptr ptr", FALSE);
252 register_icall (mono_delegate_begin_invoke, "mono_delegate_begin_invoke", "object object ptr", FALSE);
253 register_icall (mono_delegate_end_invoke, "mono_delegate_end_invoke", "object object ptr", FALSE);
254 register_icall (mono_marshal_xdomain_copy_value, "mono_marshal_xdomain_copy_value", "object object", FALSE);
255 register_icall (mono_marshal_xdomain_copy_out_value, "mono_marshal_xdomain_copy_out_value", "void object object", FALSE);
256 register_icall (mono_marshal_set_domain_by_id, "mono_marshal_set_domain_by_id", "int32 int32 int32", FALSE);
257 register_icall (mono_marshal_check_domain_image, "mono_marshal_check_domain_image", "int32 int32 ptr", FALSE);
258 register_icall (mono_compile_method, "mono_compile_method", "ptr ptr", FALSE);
259 register_icall (mono_context_get, "mono_context_get", "object", FALSE);
260 register_icall (mono_context_set, "mono_context_set", "void object", FALSE);
261 register_icall (mono_upgrade_remote_class_wrapper, "mono_upgrade_remote_class_wrapper", "void object object", FALSE);
262 register_icall (type_from_handle, "type_from_handle", "object ptr", FALSE);
263 register_icall (mono_gc_wbarrier_generic_nostore, "wb_generic", "void ptr", FALSE);
264 register_icall (mono_gchandle_get_target, "mono_gchandle_get_target", "object int32", TRUE);
266 mono_cominterop_init ();
271 mono_marshal_cleanup (void)
273 mono_cominterop_cleanup ();
275 mono_native_tls_free (load_type_info_tls_id);
276 mono_native_tls_free (last_error_tls_id);
277 DeleteCriticalSection (&marshal_mutex);
278 marshal_mutex_initialized = FALSE;
281 MonoClass *byte_array_class;
282 static MonoMethod *method_rs_serialize, *method_rs_deserialize, *method_exc_fixexc, *method_rs_appdomain_target;
283 static MonoMethod *method_set_context, *method_get_context;
284 static MonoMethod *method_set_call_context, *method_needs_context_sink, *method_rs_serialize_exc;
287 mono_remoting_marshal_init (void)
291 static gboolean module_initialized = FALSE;
293 if (!module_initialized) {
294 klass = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting", "RemotingServices");
295 method_rs_serialize = mono_class_get_method_from_name (klass, "SerializeCallData", -1);
296 method_rs_deserialize = mono_class_get_method_from_name (klass, "DeserializeCallData", -1);
297 method_rs_serialize_exc = mono_class_get_method_from_name (klass, "SerializeExceptionData", -1);
299 klass = mono_defaults.real_proxy_class;
300 method_rs_appdomain_target = mono_class_get_method_from_name (klass, "GetAppDomainTarget", -1);
302 klass = mono_defaults.exception_class;
303 method_exc_fixexc = mono_class_get_method_from_name (klass, "FixRemotingException", -1);
305 klass = mono_defaults.thread_class;
306 method_get_context = mono_class_get_method_from_name (klass, "get_CurrentContext", -1);
308 klass = mono_defaults.appdomain_class;
309 method_set_context = mono_class_get_method_from_name (klass, "InternalSetContext", -1);
310 byte_array_class = mono_array_class_get (mono_defaults.byte_class, 1);
312 klass = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting.Messaging", "CallContext");
313 method_set_call_context = mono_class_get_method_from_name (klass, "SetCurrentCallContext", -1);
315 klass = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting.Contexts", "Context");
316 method_needs_context_sink = mono_class_get_method_from_name (klass, "get_NeedsContextSink", -1);
318 module_initialized = TRUE;
323 mono_delegate_to_ftnptr (MonoDelegate *delegate)
325 MonoMethod *method, *wrapper;
327 uint32_t target_handle = 0;
332 if (delegate->delegate_trampoline)
333 return delegate->delegate_trampoline;
335 klass = ((MonoObject *)delegate)->vtable->klass;
336 g_assert (klass->delegate);
338 method = delegate->method;
340 if (mono_method_signature (method)->pinvoke) {
341 const char *exc_class, *exc_arg;
344 ftnptr = mono_lookup_pinvoke_call (method, &exc_class, &exc_arg);
346 g_assert (exc_class);
347 mono_raise_exception (mono_exception_from_name_msg (mono_defaults.corlib, "System", exc_class, exc_arg));
352 if (delegate->target) {
353 /* Produce a location which can be embedded in JITted code */
354 target_handle = mono_gchandle_new_weakref (delegate->target, FALSE);
357 wrapper = mono_marshal_get_managed_wrapper (method, klass, target_handle);
359 delegate->delegate_trampoline = mono_compile_method (wrapper);
361 // Add the delegate to the delegate hash table
362 delegate_hash_table_add (delegate);
364 /* when the object is collected, collect the dynamic method, too */
365 mono_object_register_finalizer ((MonoObject*)delegate);
367 return delegate->delegate_trampoline;
371 * this hash table maps from a delegate trampoline object to a weak reference
372 * of the delegate. As an optimizations with a non-moving GC we store the
373 * object pointer itself, otherwise we use a GC handle.
375 static GHashTable *delegate_hash_table;
378 delegate_hash_table_new (void) {
379 return g_hash_table_new (NULL, NULL);
383 delegate_hash_table_remove (MonoDelegate *d)
385 guint32 gchandle = 0;
387 mono_marshal_lock ();
388 if (delegate_hash_table == NULL)
389 delegate_hash_table = delegate_hash_table_new ();
390 if (mono_gc_is_moving ())
391 gchandle = GPOINTER_TO_UINT (g_hash_table_lookup (delegate_hash_table, d->delegate_trampoline));
392 g_hash_table_remove (delegate_hash_table, d->delegate_trampoline);
393 mono_marshal_unlock ();
394 if (mono_gc_is_moving ())
395 mono_gchandle_free (gchandle);
399 delegate_hash_table_add (MonoDelegate *d)
402 guint32 old_gchandle;
404 mono_marshal_lock ();
405 if (delegate_hash_table == NULL)
406 delegate_hash_table = delegate_hash_table_new ();
407 if (mono_gc_is_moving ()) {
408 gchandle = mono_gchandle_new_weakref ((MonoObject*)d, FALSE);
409 old_gchandle = GPOINTER_TO_UINT (g_hash_table_lookup (delegate_hash_table, d->delegate_trampoline));
410 g_hash_table_insert (delegate_hash_table, d->delegate_trampoline, GUINT_TO_POINTER (gchandle));
412 mono_gchandle_free (old_gchandle);
414 g_hash_table_insert (delegate_hash_table, d->delegate_trampoline, d);
416 mono_marshal_unlock ();
420 * mono_marshal_use_aot_wrappers:
422 * Instructs this module to use AOT compatible wrappers.
425 mono_marshal_use_aot_wrappers (gboolean use)
427 use_aot_wrappers = use;
431 parse_unmanaged_function_pointer_attr (MonoClass *klass, MonoMethodPInvoke *piinfo)
433 static MonoClass *UnmanagedFunctionPointerAttribute;
434 MonoCustomAttrInfo *cinfo;
435 MonoReflectionUnmanagedFunctionPointerAttribute *attr;
437 if (!UnmanagedFunctionPointerAttribute)
438 UnmanagedFunctionPointerAttribute = mono_class_from_name (mono_defaults.corlib, "System.Runtime.InteropServices", "UnmanagedFunctionPointerAttribute");
440 /* The attribute is only available in Net 2.0 */
441 if (UnmanagedFunctionPointerAttribute) {
443 * The pinvoke attributes are stored in a real custom attribute so we have to
446 cinfo = mono_custom_attrs_from_class (klass);
447 if (cinfo && !mono_runtime_get_no_exec ()) {
448 attr = (MonoReflectionUnmanagedFunctionPointerAttribute*)mono_custom_attrs_get_attr (cinfo, UnmanagedFunctionPointerAttribute);
450 piinfo->piflags = (attr->call_conv << 8) | (attr->charset ? (attr->charset - 1) * 2 : 1) | attr->set_last_error;
453 mono_custom_attrs_free (cinfo);
459 mono_ftnptr_to_delegate (MonoClass *klass, gpointer ftn)
467 mono_marshal_lock ();
468 if (delegate_hash_table == NULL)
469 delegate_hash_table = delegate_hash_table_new ();
471 if (mono_gc_is_moving ()) {
472 gchandle = GPOINTER_TO_UINT (g_hash_table_lookup (delegate_hash_table, ftn));
473 mono_marshal_unlock ();
475 d = (MonoDelegate*)mono_gchandle_get_target (gchandle);
479 d = g_hash_table_lookup (delegate_hash_table, ftn);
480 mono_marshal_unlock ();
483 /* This is a native function, so construct a delegate for it */
484 MonoMethodSignature *sig;
486 MonoMarshalSpec **mspecs;
487 MonoMethod *invoke = mono_get_delegate_invoke (klass);
488 MonoMethodPInvoke piinfo;
492 if (use_aot_wrappers) {
493 wrapper = mono_marshal_get_native_func_wrapper_aot (klass);
494 this = mono_value_box (mono_domain_get (), mono_defaults.int_class, &ftn);
496 memset (&piinfo, 0, sizeof (piinfo));
497 parse_unmanaged_function_pointer_attr (klass, &piinfo);
499 mspecs = g_new0 (MonoMarshalSpec*, mono_method_signature (invoke)->param_count + 1);
500 mono_method_get_marshal_info (invoke, mspecs);
501 /* Freed below so don't alloc from mempool */
502 sig = mono_metadata_signature_dup (mono_method_signature (invoke));
505 wrapper = mono_marshal_get_native_func_wrapper (klass->image, sig, &piinfo, mspecs, ftn);
508 for (i = mono_method_signature (invoke)->param_count; i >= 0; i--)
510 mono_metadata_free_marshal_spec (mspecs [i]);
515 d = (MonoDelegate*)mono_object_new (mono_domain_get (), klass);
516 mono_delegate_ctor_with_method ((MonoObject*)d, this, mono_compile_method (wrapper), wrapper);
519 if (d->object.vtable->domain != mono_domain_get ())
520 mono_raise_exception (mono_get_exception_not_supported ("Delegates cannot be marshalled from native code into a domain other than their home domain"));
526 mono_delegate_free_ftnptr (MonoDelegate *delegate)
531 delegate_hash_table_remove (delegate);
533 ptr = (gpointer)InterlockedExchangePointer (&delegate->delegate_trampoline, NULL);
535 if (!delegate->target) {
536 /* The wrapper method is shared between delegates -> no need to free it */
543 ji = mono_jit_info_table_find (mono_domain_get (), mono_get_addr_from_ftnptr (ptr));
546 method_data = ((MonoMethodWrapper*)ji->method)->method_data;
548 /*the target gchandle is the first entry after size and the wrapper itself.*/
549 gchandle = GPOINTER_TO_UINT (method_data [2]);
552 mono_gchandle_free (gchandle);
554 mono_runtime_free_method (mono_object_domain (delegate), ji->method);
559 mono_string_from_byvalwstr (gunichar2 *data, int max_len)
561 MonoDomain *domain = mono_domain_get ();
567 while (data [len]) len++;
569 return mono_string_new_utf16 (domain, data, MIN (len, max_len));
573 mono_array_to_savearray (MonoArray *array)
578 g_assert_not_reached ();
583 mono_array_to_lparray (MonoArray *array)
585 gpointer *nativeArray = NULL;
586 int nativeArraySize = 0;
595 klass = array->obj.vtable->klass;
597 switch (klass->element_class->byval_arg.type) {
599 g_assert_not_reached ();
602 case MONO_TYPE_CLASS:
603 nativeArraySize = array->max_length;
604 nativeArray = malloc(sizeof(gpointer) * nativeArraySize);
605 for(i = 0; i < nativeArraySize; ++i)
606 nativeArray[i] = ves_icall_System_Runtime_InteropServices_Marshal_GetIUnknownForObjectInternal(((gpointer*)array->vector)[i]);
610 case MONO_TYPE_BOOLEAN:
623 case MONO_TYPE_VALUETYPE:
627 case MONO_TYPE_GENERICINST:
628 case MONO_TYPE_OBJECT:
629 case MONO_TYPE_ARRAY:
630 case MONO_TYPE_SZARRAY:
631 case MONO_TYPE_STRING:
633 g_warning ("type 0x%x not handled", klass->element_class->byval_arg.type);
634 g_assert_not_reached ();
637 return array->vector;
641 mono_free_lparray (MonoArray *array, gpointer* nativeArray)
652 klass = array->obj.vtable->klass;
654 switch (klass->element_class->byval_arg.type) {
655 case MONO_TYPE_CLASS:
656 for(i = 0; i < array->max_length; ++i)
657 mono_marshal_free_ccw(nativeArray[i]);
665 mono_byvalarray_to_array (MonoArray *arr, gpointer native_arr, MonoClass *elclass, guint32 elnum)
667 g_assert (arr->obj.vtable->klass->element_class == mono_defaults.char_class);
669 if (elclass == mono_defaults.byte_class) {
670 GError *error = NULL;
674 ut = g_utf8_to_utf16 (native_arr, elnum, NULL, &items_written, &error);
677 memcpy (mono_array_addr (arr, guint16, 0), ut, items_written * sizeof (guint16));
681 g_error_free (error);
684 g_assert_not_reached ();
688 mono_array_to_byvalarray (gpointer native_arr, MonoArray *arr, MonoClass *elclass, guint32 elnum)
690 g_assert (arr->obj.vtable->klass->element_class == mono_defaults.char_class);
692 if (elclass == mono_defaults.byte_class) {
694 GError *error = NULL;
696 as = g_utf16_to_utf8 (mono_array_addr (arr, gunichar2, 0), mono_array_length (arr), NULL, NULL, &error);
698 MonoException *exc = mono_get_exception_argument ("string", error->message);
699 g_error_free (error);
700 mono_raise_exception (exc);
703 memcpy (native_arr, as, MIN (strlen (as), elnum));
706 g_assert_not_reached ();
711 mono_string_utf8_to_builder (MonoStringBuilder *sb, char *text)
713 GError *error = NULL;
723 ut = g_utf8_to_utf16 (text, l, NULL, &items_written, &error);
725 if (items_written > mono_stringbuilder_capacity (sb))
726 items_written = mono_stringbuilder_capacity (sb);
729 if (! sb->str || sb->str == sb->cached_str)
730 MONO_OBJECT_SETREF (sb, str, mono_string_new_size (mono_domain_get (), items_written));
732 memcpy (mono_string_chars (sb->str), ut, items_written * 2);
733 sb->length = items_written;
734 sb->cached_str = NULL;
736 g_error_free (error);
742 mono_string_utf8_to_builder2 (char *text)
745 MonoStringBuilder *sb;
746 static MonoClass *string_builder_class;
747 static MonoMethod *sb_ctor;
754 if (!string_builder_class) {
755 MonoMethodDesc *desc;
757 string_builder_class = mono_class_from_name (mono_defaults.corlib, "System.Text", "StringBuilder");
758 g_assert (string_builder_class);
759 desc = mono_method_desc_new (":.ctor(int)", FALSE);
760 sb_ctor = mono_method_desc_search_in_class (desc, string_builder_class);
762 mono_method_desc_free (desc);
767 sb = (MonoStringBuilder*)mono_object_new (mono_domain_get (), string_builder_class);
770 mono_runtime_invoke (sb_ctor, sb, args, &exc);
773 mono_string_utf8_to_builder (sb, text);
779 * FIXME: This routine does not seem to do what it seems to do
780 * the @text is never copied into the string builder
783 mono_string_utf16_to_builder (MonoStringBuilder *sb, gunichar2 *text)
790 g_assert (mono_string_chars (sb->str) == text);
792 for (len = 0; text [len] != 0; ++len)
799 mono_string_utf16_to_builder2 (gunichar2 *text)
802 MonoStringBuilder *sb;
803 static MonoClass *string_builder_class;
804 static MonoMethod *sb_ctor;
811 if (!string_builder_class) {
812 MonoMethodDesc *desc;
814 string_builder_class = mono_class_from_name (mono_defaults.corlib, "System.Text", "StringBuilder");
815 g_assert (string_builder_class);
816 desc = mono_method_desc_new (":.ctor(int)", FALSE);
817 sb_ctor = mono_method_desc_search_in_class (desc, string_builder_class);
819 mono_method_desc_free (desc);
822 for (len = 0; text [len] != 0; ++len)
825 sb = (MonoStringBuilder*)mono_object_new (mono_domain_get (), string_builder_class);
828 mono_runtime_invoke (sb_ctor, sb, args, &exc);
832 memcpy (mono_string_chars (sb->str), text, len * 2);
838 * mono_string_builder_to_utf8:
839 * @sb: the string builder
841 * Converts to utf8 the contents of the MonoStringBuilder.
843 * Returns: a utf8 string with the contents of the StringBuilder.
845 * The return value must be released with g_free.
848 mono_string_builder_to_utf8 (MonoStringBuilder *sb)
850 GError *error = NULL;
851 gchar *tmp, *res = NULL;
856 if ((sb->str == sb->cached_str) && (sb->str->length == 0)) {
858 * The sb could have been allocated with the default capacity and be empty.
859 * we need to alloc a buffer of the default capacity in this case.
861 MONO_OBJECT_SETREF (sb, str, mono_string_new_size (mono_domain_get (), 16));
862 sb->cached_str = NULL;
865 tmp = g_utf16_to_utf8 (mono_string_chars (sb->str), sb->length, NULL, NULL, &error);
867 g_error_free (error);
868 mono_raise_exception (mono_get_exception_execution_engine ("Failed to convert StringBuilder from utf16 to utf8"));
870 res = mono_marshal_alloc (mono_stringbuilder_capacity (sb) + 1);
871 memcpy (res, tmp, sb->length + 1);
879 * mono_string_builder_to_utf16:
880 * @sb: the string builder
882 * Converts to utf16 the contents of the MonoStringBuilder.
884 * Returns: a utf16 string with the contents of the StringBuilder.
886 * The return value must not be freed.
889 mono_string_builder_to_utf16 (MonoStringBuilder *sb)
897 * The stringbuilder might not have ownership of this string. If this is
898 * the case, we must duplicate the string, so that we don't munge immutable
901 if (sb->str == sb->cached_str) {
903 * The sb could have been allocated with the default capacity and be empty.
904 * we need to alloc a buffer of the default capacity in this case.
906 if (sb->str->length == 0)
907 MONO_OBJECT_SETREF (sb, str, mono_string_new_size (mono_domain_get (), 16));
909 MONO_OBJECT_SETREF (sb, str, mono_string_new_utf16 (mono_domain_get (), mono_string_chars (sb->str), mono_stringbuilder_capacity (sb)));
910 sb->cached_str = NULL;
914 *(mono_string_chars (sb->str)) = '\0';
916 return mono_string_chars (sb->str);
920 mono_string_to_lpstr (MonoString *s)
925 GError *error = NULL;
931 as = CoTaskMemAlloc (1);
936 tmp = g_utf16_to_utf8 (mono_string_chars (s), s->length, NULL, &len, &error);
938 MonoException *exc = mono_get_exception_argument ("string", error->message);
939 g_error_free (error);
940 mono_raise_exception(exc);
943 as = CoTaskMemAlloc (len + 1);
944 memcpy (as, tmp, len + 1);
949 return mono_string_to_utf8 (s);
954 mono_string_to_ansibstr (MonoString *string_obj)
956 g_error ("UnmanagedMarshal.BStr is not implemented.");
961 * mono_string_to_byvalstr:
962 * @dst: Where to store the null-terminated utf8 decoded string.
963 * @src: the MonoString to copy.
964 * @size: the maximum number of bytes to copy.
966 * Copies the MonoString pointed to by @src as a utf8 string
967 * into @dst, it copies at most @size bytes into the destination.
970 mono_string_to_byvalstr (gpointer dst, MonoString *src, int size)
975 g_assert (dst != NULL);
978 memset (dst, 0, size);
982 s = mono_string_to_utf8 (src);
983 len = MIN (size, strlen (s));
986 memcpy (dst, s, len);
991 * mono_string_to_byvalwstr:
992 * @dst: Where to store the null-terminated utf16 decoded string.
993 * @src: the MonoString to copy.
994 * @size: the maximum number of bytes to copy.
996 * Copies the MonoString pointed to by @src as a utf16 string into
997 * @dst, it copies at most @size bytes into the destination (including
998 * a terminating 16-bit zero terminator).
1001 mono_string_to_byvalwstr (gpointer dst, MonoString *src, int size)
1005 g_assert (dst != NULL);
1006 g_assert (size > 1);
1009 memset (dst, 0, size * 2);
1013 len = MIN (size, (mono_string_length (src)));
1014 memcpy (dst, mono_string_chars (src), size * 2);
1015 if (size <= mono_string_length (src))
1017 *((gunichar2 *) dst + len) = 0;
1021 mono_string_new_len_wrapper (const char *text, guint length)
1023 return mono_string_new_len (mono_domain_get (), text, length);
1027 mono_mb_emit_proxy_check (MonoMethodBuilder *mb, int branch_code)
1030 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
1031 mono_mb_emit_byte (mb, CEE_LDIND_I);
1032 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoVTable, klass));
1033 mono_mb_emit_byte (mb, CEE_ADD);
1034 mono_mb_emit_byte (mb, CEE_LDIND_I);
1035 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1036 mono_mb_emit_byte (mb, CEE_MONO_CLASSCONST);
1037 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_defaults.transparent_proxy_class));
1038 pos = mono_mb_emit_branch (mb, branch_code);
1043 mono_mb_emit_xdomain_check (MonoMethodBuilder *mb, int branch_code)
1046 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
1047 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1048 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoRealProxy, target_domain_id));
1049 mono_mb_emit_byte (mb, CEE_LDIND_I4);
1050 mono_mb_emit_icon (mb, -1);
1051 pos = mono_mb_emit_branch (mb, branch_code);
1056 mono_mb_emit_contextbound_check (MonoMethodBuilder *mb, int branch_code)
1058 static int offset = -1;
1062 mono_marshal_find_bitfield_offset (MonoClass, contextbound, &offset, &mask);
1064 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, remote_class));
1065 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1066 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoRemoteClass, proxy_class));
1067 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1068 mono_mb_emit_ldflda (mb, offset);
1069 mono_mb_emit_byte (mb, CEE_LDIND_U1);
1070 mono_mb_emit_icon (mb, mask);
1071 mono_mb_emit_byte (mb, CEE_AND);
1072 mono_mb_emit_icon (mb, 0);
1073 return mono_mb_emit_branch (mb, branch_code);
1077 * mono_mb_emit_exception_marshal_directive:
1079 * This function assumes ownership of MSG, which should be malloc-ed.
1082 mono_mb_emit_exception_marshal_directive (MonoMethodBuilder *mb, char *msg)
1087 s = mono_image_strdup (mb->method->klass->image, msg);
1092 mono_mb_emit_exception_full (mb, "System.Runtime.InteropServices", "MarshalDirectiveException", s);
1096 mono_type_to_ldind (MonoType *type)
1102 switch (type->type) {
1104 return CEE_LDIND_I1;
1106 case MONO_TYPE_BOOLEAN:
1107 return CEE_LDIND_U1;
1109 return CEE_LDIND_I2;
1111 case MONO_TYPE_CHAR:
1112 return CEE_LDIND_U2;
1114 return CEE_LDIND_I4;
1116 return CEE_LDIND_U4;
1120 case MONO_TYPE_FNPTR:
1122 case MONO_TYPE_CLASS:
1123 case MONO_TYPE_STRING:
1124 case MONO_TYPE_OBJECT:
1125 case MONO_TYPE_SZARRAY:
1126 case MONO_TYPE_ARRAY:
1127 return CEE_LDIND_REF;
1130 return CEE_LDIND_I8;
1132 return CEE_LDIND_R4;
1134 return CEE_LDIND_R8;
1135 case MONO_TYPE_VALUETYPE:
1136 if (type->data.klass->enumtype) {
1137 type = mono_class_enum_basetype (type->data.klass);
1141 case MONO_TYPE_TYPEDBYREF:
1143 case MONO_TYPE_GENERICINST:
1144 type = &type->data.generic_class->container_class->byval_arg;
1147 g_error ("unknown type 0x%02x in type_to_ldind", type->type);
1153 mono_type_to_stind (MonoType *type)
1159 switch (type->type) {
1162 case MONO_TYPE_BOOLEAN:
1163 return CEE_STIND_I1;
1166 case MONO_TYPE_CHAR:
1167 return CEE_STIND_I2;
1170 return CEE_STIND_I4;
1174 case MONO_TYPE_FNPTR:
1176 case MONO_TYPE_CLASS:
1177 case MONO_TYPE_STRING:
1178 case MONO_TYPE_OBJECT:
1179 case MONO_TYPE_SZARRAY:
1180 case MONO_TYPE_ARRAY:
1181 return CEE_STIND_REF;
1184 return CEE_STIND_I8;
1186 return CEE_STIND_R4;
1188 return CEE_STIND_R8;
1189 case MONO_TYPE_VALUETYPE:
1190 if (type->data.klass->enumtype) {
1191 type = mono_class_enum_basetype (type->data.klass);
1195 case MONO_TYPE_TYPEDBYREF:
1197 case MONO_TYPE_GENERICINST:
1198 type = &type->data.generic_class->container_class->byval_arg;
1201 g_error ("unknown type 0x%02x in type_to_stind", type->type);
1207 emit_ptr_to_object_conv (MonoMethodBuilder *mb, MonoType *type, MonoMarshalConv conv, MonoMarshalSpec *mspec)
1210 case MONO_MARSHAL_CONV_BOOL_I4:
1211 mono_mb_emit_ldloc (mb, 1);
1212 mono_mb_emit_ldloc (mb, 0);
1213 mono_mb_emit_byte (mb, CEE_LDIND_I4);
1214 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
1215 mono_mb_emit_byte (mb, 3);
1216 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
1217 mono_mb_emit_byte (mb, CEE_BR_S);
1218 mono_mb_emit_byte (mb, 1);
1219 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
1220 mono_mb_emit_byte (mb, CEE_STIND_I1);
1222 case MONO_MARSHAL_CONV_BOOL_VARIANTBOOL:
1223 mono_mb_emit_ldloc (mb, 1);
1224 mono_mb_emit_ldloc (mb, 0);
1225 mono_mb_emit_byte (mb, CEE_LDIND_I2);
1226 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
1227 mono_mb_emit_byte (mb, 3);
1228 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
1229 mono_mb_emit_byte (mb, CEE_BR_S);
1230 mono_mb_emit_byte (mb, 1);
1231 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
1232 mono_mb_emit_byte (mb, CEE_STIND_I1);
1234 case MONO_MARSHAL_CONV_ARRAY_BYVALARRAY: {
1235 MonoClass *eklass = NULL;
1238 if (type->type == MONO_TYPE_SZARRAY) {
1239 eklass = type->data.klass;
1241 g_assert_not_reached ();
1244 esize = mono_class_native_size (eklass, NULL);
1246 /* create a new array */
1247 mono_mb_emit_ldloc (mb, 1);
1248 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1249 mono_mb_emit_op (mb, CEE_NEWARR, eklass);
1250 mono_mb_emit_byte (mb, CEE_STIND_I);
1252 if (eklass->blittable) {
1253 /* copy the elements */
1254 mono_mb_emit_ldloc (mb, 1);
1255 mono_mb_emit_byte (mb, CEE_LDIND_I);
1256 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArray, vector));
1257 mono_mb_emit_byte (mb, CEE_ADD);
1258 mono_mb_emit_ldloc (mb, 0);
1259 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem * esize);
1260 mono_mb_emit_byte (mb, CEE_PREFIX1);
1261 mono_mb_emit_byte (mb, CEE_CPBLK);
1264 int array_var, src_var, dst_var, index_var;
1265 guint32 label2, label3;
1267 array_var = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
1268 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1269 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1272 mono_mb_emit_ldloc (mb, 1);
1273 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1274 mono_mb_emit_stloc (mb, array_var);
1276 /* save the old src pointer */
1277 mono_mb_emit_ldloc (mb, 0);
1278 mono_mb_emit_stloc (mb, src_var);
1279 /* save the old dst pointer */
1280 mono_mb_emit_ldloc (mb, 1);
1281 mono_mb_emit_stloc (mb, dst_var);
1283 /* Emit marshalling loop */
1284 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1285 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
1286 mono_mb_emit_stloc (mb, index_var);
1289 label2 = mono_mb_get_label (mb);
1290 mono_mb_emit_ldloc (mb, index_var);
1291 mono_mb_emit_ldloc (mb, array_var);
1292 mono_mb_emit_byte (mb, CEE_LDLEN);
1293 label3 = mono_mb_emit_branch (mb, CEE_BGE);
1295 /* src is already set */
1298 mono_mb_emit_ldloc (mb, array_var);
1299 mono_mb_emit_ldloc (mb, index_var);
1300 mono_mb_emit_op (mb, CEE_LDELEMA, eklass);
1301 mono_mb_emit_stloc (mb, 1);
1303 /* Do the conversion */
1304 emit_struct_conv (mb, eklass, TRUE);
1307 mono_mb_emit_add_to_local (mb, index_var, 1);
1309 mono_mb_emit_branch_label (mb, CEE_BR, label2);
1311 mono_mb_patch_branch (mb, label3);
1313 /* restore the old src pointer */
1314 mono_mb_emit_ldloc (mb, src_var);
1315 mono_mb_emit_stloc (mb, 0);
1316 /* restore the old dst pointer */
1317 mono_mb_emit_ldloc (mb, dst_var);
1318 mono_mb_emit_stloc (mb, 1);
1322 case MONO_MARSHAL_CONV_ARRAY_BYVALCHARARRAY: {
1323 MonoClass *eclass = mono_defaults.char_class;
1325 /* create a new array */
1326 mono_mb_emit_ldloc (mb, 1);
1327 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1328 mono_mb_emit_op (mb, CEE_NEWARR, eclass);
1329 mono_mb_emit_byte (mb, CEE_STIND_REF);
1331 mono_mb_emit_ldloc (mb, 1);
1332 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1333 mono_mb_emit_ldloc (mb, 0);
1334 mono_mb_emit_ptr (mb, mono_defaults.byte_class);
1335 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1336 mono_mb_emit_icall (mb, mono_byvalarray_to_array);
1339 case MONO_MARSHAL_CONV_STR_BYVALSTR:
1340 mono_mb_emit_ldloc (mb, 1);
1341 mono_mb_emit_ldloc (mb, 0);
1342 mono_mb_emit_icall (mb, mono_string_new_wrapper);
1343 mono_mb_emit_byte (mb, CEE_STIND_REF);
1345 case MONO_MARSHAL_CONV_STR_BYVALWSTR:
1346 if (mspec && mspec->native == MONO_NATIVE_BYVALTSTR && mspec->data.array_data.num_elem) {
1347 mono_mb_emit_ldloc (mb, 1);
1348 mono_mb_emit_ldloc (mb, 0);
1349 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1350 mono_mb_emit_icall (mb, mono_string_from_byvalwstr);
1352 mono_mb_emit_ldloc (mb, 1);
1353 mono_mb_emit_ldloc (mb, 0);
1354 mono_mb_emit_icall (mb, mono_string_from_utf16);
1356 mono_mb_emit_byte (mb, CEE_STIND_REF);
1358 case MONO_MARSHAL_CONV_STR_LPTSTR:
1359 mono_mb_emit_ldloc (mb, 1);
1360 mono_mb_emit_ldloc (mb, 0);
1361 mono_mb_emit_byte (mb, CEE_LDIND_I);
1363 mono_mb_emit_icall (mb, mono_string_from_utf16);
1365 mono_mb_emit_icall (mb, mono_string_new_wrapper);
1367 mono_mb_emit_byte (mb, CEE_STIND_REF);
1369 case MONO_MARSHAL_CONV_STR_LPSTR:
1370 mono_mb_emit_ldloc (mb, 1);
1371 mono_mb_emit_ldloc (mb, 0);
1372 mono_mb_emit_byte (mb, CEE_LDIND_I);
1373 mono_mb_emit_icall (mb, mono_string_new_wrapper);
1374 mono_mb_emit_byte (mb, CEE_STIND_REF);
1376 case MONO_MARSHAL_CONV_STR_LPWSTR:
1377 mono_mb_emit_ldloc (mb, 1);
1378 mono_mb_emit_ldloc (mb, 0);
1379 mono_mb_emit_byte (mb, CEE_LDIND_I);
1380 mono_mb_emit_icall (mb, mono_string_from_utf16);
1381 mono_mb_emit_byte (mb, CEE_STIND_REF);
1383 case MONO_MARSHAL_CONV_OBJECT_STRUCT: {
1384 MonoClass *klass = mono_class_from_mono_type (type);
1385 int src_var, dst_var;
1387 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1388 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1390 /* *dst = new object */
1391 mono_mb_emit_ldloc (mb, 1);
1392 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1393 mono_mb_emit_op (mb, CEE_MONO_NEWOBJ, klass);
1394 mono_mb_emit_byte (mb, CEE_STIND_REF);
1396 /* save the old src pointer */
1397 mono_mb_emit_ldloc (mb, 0);
1398 mono_mb_emit_stloc (mb, src_var);
1399 /* save the old dst pointer */
1400 mono_mb_emit_ldloc (mb, 1);
1401 mono_mb_emit_stloc (mb, dst_var);
1403 /* dst = pointer to newly created object data */
1404 mono_mb_emit_ldloc (mb, 1);
1405 mono_mb_emit_byte (mb, CEE_LDIND_I);
1406 mono_mb_emit_icon (mb, sizeof (MonoObject));
1407 mono_mb_emit_byte (mb, CEE_ADD);
1408 mono_mb_emit_stloc (mb, 1);
1410 emit_struct_conv (mb, klass, TRUE);
1412 /* restore the old src pointer */
1413 mono_mb_emit_ldloc (mb, src_var);
1414 mono_mb_emit_stloc (mb, 0);
1415 /* restore the old dst pointer */
1416 mono_mb_emit_ldloc (mb, dst_var);
1417 mono_mb_emit_stloc (mb, 1);
1420 case MONO_MARSHAL_CONV_DEL_FTN: {
1421 MonoClass *klass = mono_class_from_mono_type (type);
1423 mono_mb_emit_ldloc (mb, 1);
1424 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1425 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
1426 mono_mb_emit_ldloc (mb, 0);
1427 mono_mb_emit_byte (mb, CEE_LDIND_I);
1428 mono_mb_emit_icall (mb, mono_ftnptr_to_delegate);
1429 mono_mb_emit_byte (mb, CEE_STIND_REF);
1432 case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
1433 g_error ("Structure field of type %s can't be marshalled as LPArray", mono_class_from_mono_type (type)->name);
1437 case MONO_MARSHAL_CONV_OBJECT_INTERFACE:
1438 case MONO_MARSHAL_CONV_OBJECT_IUNKNOWN:
1439 case MONO_MARSHAL_CONV_OBJECT_IDISPATCH:
1440 mono_cominterop_emit_ptr_to_object_conv (mb, type, conv, mspec);
1442 #endif /* DISABLE_COM */
1444 case MONO_MARSHAL_CONV_SAFEHANDLE: {
1446 * Passing SafeHandles as ref does not allow the unmanaged code
1447 * to change the SafeHandle value. If the value is changed,
1448 * we should issue a diagnostic exception (NotSupportedException)
1449 * that informs the user that changes to handles in unmanaged code
1452 * Since we currently have no access to the original
1453 * SafeHandle that was used during the marshalling,
1454 * for now we just ignore this, and ignore/discard any
1455 * changes that might have happened to the handle.
1460 case MONO_MARSHAL_CONV_HANDLEREF: {
1462 * Passing HandleRefs in a struct that is ref()ed does not
1463 * copy the values back to the HandleRef
1468 case MONO_MARSHAL_CONV_STR_BSTR:
1469 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
1470 case MONO_MARSHAL_CONV_STR_TBSTR:
1471 case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
1473 char *msg = g_strdup_printf ("marshaling conversion %d not implemented", conv);
1475 mono_mb_emit_exception_marshal_directive (mb, msg);
1482 conv_to_icall (MonoMarshalConv conv)
1485 case MONO_MARSHAL_CONV_STR_LPWSTR:
1486 return mono_marshal_string_to_utf16;
1487 case MONO_MARSHAL_CONV_LPWSTR_STR:
1488 return mono_string_from_utf16;
1489 case MONO_MARSHAL_CONV_LPTSTR_STR:
1490 return mono_string_new_wrapper;
1491 case MONO_MARSHAL_CONV_LPSTR_STR:
1492 return mono_string_new_wrapper;
1493 case MONO_MARSHAL_CONV_STR_LPTSTR:
1495 return mono_marshal_string_to_utf16;
1497 return mono_string_to_lpstr;
1499 case MONO_MARSHAL_CONV_STR_LPSTR:
1500 return mono_string_to_lpstr;
1501 case MONO_MARSHAL_CONV_STR_BSTR:
1502 return mono_string_to_bstr;
1503 case MONO_MARSHAL_CONV_BSTR_STR:
1504 return mono_string_from_bstr;
1505 case MONO_MARSHAL_CONV_STR_TBSTR:
1506 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
1507 return mono_string_to_ansibstr;
1508 case MONO_MARSHAL_CONV_SB_LPSTR:
1509 return mono_string_builder_to_utf8;
1510 case MONO_MARSHAL_CONV_SB_LPTSTR:
1512 return mono_string_builder_to_utf16;
1514 return mono_string_builder_to_utf8;
1516 case MONO_MARSHAL_CONV_SB_LPWSTR:
1517 return mono_string_builder_to_utf16;
1518 case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
1519 return mono_array_to_savearray;
1520 case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
1521 return mono_array_to_lparray;
1522 case MONO_MARSHAL_FREE_LPARRAY:
1523 return mono_free_lparray;
1524 case MONO_MARSHAL_CONV_DEL_FTN:
1525 return mono_delegate_to_ftnptr;
1526 case MONO_MARSHAL_CONV_FTN_DEL:
1527 return mono_ftnptr_to_delegate;
1528 case MONO_MARSHAL_CONV_LPSTR_SB:
1529 return mono_string_utf8_to_builder;
1530 case MONO_MARSHAL_CONV_LPTSTR_SB:
1532 return mono_string_utf16_to_builder;
1534 return mono_string_utf8_to_builder;
1536 case MONO_MARSHAL_CONV_LPWSTR_SB:
1537 return mono_string_utf16_to_builder;
1538 case MONO_MARSHAL_FREE_ARRAY:
1539 return mono_marshal_free_array;
1540 case MONO_MARSHAL_CONV_STR_BYVALSTR:
1541 return mono_string_to_byvalstr;
1542 case MONO_MARSHAL_CONV_STR_BYVALWSTR:
1543 return mono_string_to_byvalwstr;
1545 g_assert_not_reached ();
1552 emit_object_to_ptr_conv (MonoMethodBuilder *mb, MonoType *type, MonoMarshalConv conv, MonoMarshalSpec *mspec)
1557 case MONO_MARSHAL_CONV_BOOL_I4:
1558 mono_mb_emit_ldloc (mb, 1);
1559 mono_mb_emit_ldloc (mb, 0);
1560 mono_mb_emit_byte (mb, CEE_LDIND_U1);
1561 mono_mb_emit_byte (mb, CEE_STIND_I4);
1563 case MONO_MARSHAL_CONV_BOOL_VARIANTBOOL:
1564 mono_mb_emit_ldloc (mb, 1);
1565 mono_mb_emit_ldloc (mb, 0);
1566 mono_mb_emit_byte (mb, CEE_LDIND_U1);
1567 mono_mb_emit_byte (mb, CEE_NEG);
1568 mono_mb_emit_byte (mb, CEE_STIND_I2);
1570 case MONO_MARSHAL_CONV_STR_LPWSTR:
1571 case MONO_MARSHAL_CONV_STR_LPSTR:
1572 case MONO_MARSHAL_CONV_STR_LPTSTR:
1573 case MONO_MARSHAL_CONV_STR_BSTR:
1574 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
1575 case MONO_MARSHAL_CONV_STR_TBSTR: {
1578 /* free space if free == true */
1579 mono_mb_emit_ldloc (mb, 2);
1580 pos = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
1581 mono_mb_emit_ldloc (mb, 1);
1582 mono_mb_emit_byte (mb, CEE_LDIND_I);
1583 mono_mb_emit_icall (mb, g_free);
1584 mono_mb_patch_short_branch (mb, pos);
1586 mono_mb_emit_ldloc (mb, 1);
1587 mono_mb_emit_ldloc (mb, 0);
1588 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1589 mono_mb_emit_icall (mb, conv_to_icall (conv));
1590 mono_mb_emit_byte (mb, CEE_STIND_I);
1593 case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
1594 case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
1595 case MONO_MARSHAL_CONV_DEL_FTN:
1596 mono_mb_emit_ldloc (mb, 1);
1597 mono_mb_emit_ldloc (mb, 0);
1598 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1599 mono_mb_emit_icall (mb, conv_to_icall (conv));
1600 mono_mb_emit_byte (mb, CEE_STIND_I);
1602 case MONO_MARSHAL_CONV_STR_BYVALSTR:
1603 case MONO_MARSHAL_CONV_STR_BYVALWSTR: {
1606 mono_mb_emit_ldloc (mb, 1); /* dst */
1607 mono_mb_emit_ldloc (mb, 0);
1608 mono_mb_emit_byte (mb, CEE_LDIND_REF); /* src String */
1609 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1610 mono_mb_emit_icall (mb, conv_to_icall (conv));
1613 case MONO_MARSHAL_CONV_ARRAY_BYVALARRAY: {
1614 MonoClass *eklass = NULL;
1617 if (type->type == MONO_TYPE_SZARRAY) {
1618 eklass = type->data.klass;
1620 g_assert_not_reached ();
1623 if (eklass->valuetype)
1624 esize = mono_class_native_size (eklass, NULL);
1626 esize = sizeof (gpointer);
1628 mono_mb_emit_ldloc (mb, 0);
1629 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1630 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
1632 if (eklass->blittable) {
1633 mono_mb_emit_ldloc (mb, 1);
1634 mono_mb_emit_ldloc (mb, 0);
1635 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1636 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoArray, vector));
1637 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem * esize);
1638 mono_mb_emit_byte (mb, CEE_PREFIX1);
1639 mono_mb_emit_byte (mb, CEE_CPBLK);
1641 int array_var, src_var, dst_var, index_var;
1642 guint32 label2, label3;
1644 array_var = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
1645 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1646 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1649 mono_mb_emit_ldloc (mb, 0);
1650 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1651 mono_mb_emit_stloc (mb, array_var);
1653 /* save the old src pointer */
1654 mono_mb_emit_ldloc (mb, 0);
1655 mono_mb_emit_stloc (mb, src_var);
1656 /* save the old dst pointer */
1657 mono_mb_emit_ldloc (mb, 1);
1658 mono_mb_emit_stloc (mb, dst_var);
1660 /* Emit marshalling loop */
1661 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1662 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
1663 mono_mb_emit_stloc (mb, index_var);
1666 label2 = mono_mb_get_label (mb);
1667 mono_mb_emit_ldloc (mb, index_var);
1668 mono_mb_emit_ldloc (mb, array_var);
1669 mono_mb_emit_byte (mb, CEE_LDLEN);
1670 label3 = mono_mb_emit_branch (mb, CEE_BGE);
1673 mono_mb_emit_ldloc (mb, array_var);
1674 mono_mb_emit_ldloc (mb, index_var);
1675 mono_mb_emit_op (mb, CEE_LDELEMA, eklass);
1676 mono_mb_emit_stloc (mb, 0);
1678 /* dst is already set */
1680 /* Do the conversion */
1681 emit_struct_conv (mb, eklass, FALSE);
1684 mono_mb_emit_add_to_local (mb, index_var, 1);
1686 mono_mb_emit_branch_label (mb, CEE_BR, label2);
1688 mono_mb_patch_branch (mb, label3);
1690 /* restore the old src pointer */
1691 mono_mb_emit_ldloc (mb, src_var);
1692 mono_mb_emit_stloc (mb, 0);
1693 /* restore the old dst pointer */
1694 mono_mb_emit_ldloc (mb, dst_var);
1695 mono_mb_emit_stloc (mb, 1);
1698 mono_mb_patch_branch (mb, pos);
1701 case MONO_MARSHAL_CONV_ARRAY_BYVALCHARARRAY: {
1702 mono_mb_emit_ldloc (mb, 0);
1703 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1704 pos = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
1706 mono_mb_emit_ldloc (mb, 1);
1707 mono_mb_emit_ldloc (mb, 0);
1708 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1709 mono_mb_emit_ptr (mb, mono_defaults.byte_class);
1710 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1711 mono_mb_emit_icall (mb, mono_array_to_byvalarray);
1712 mono_mb_patch_short_branch (mb, pos);
1715 case MONO_MARSHAL_CONV_OBJECT_STRUCT: {
1716 int src_var, dst_var;
1718 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1719 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1721 mono_mb_emit_ldloc (mb, 0);
1722 mono_mb_emit_byte (mb, CEE_LDIND_I);
1723 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
1725 /* save the old src pointer */
1726 mono_mb_emit_ldloc (mb, 0);
1727 mono_mb_emit_stloc (mb, src_var);
1728 /* save the old dst pointer */
1729 mono_mb_emit_ldloc (mb, 1);
1730 mono_mb_emit_stloc (mb, dst_var);
1732 /* src = pointer to object data */
1733 mono_mb_emit_ldloc (mb, 0);
1734 mono_mb_emit_byte (mb, CEE_LDIND_I);
1735 mono_mb_emit_icon (mb, sizeof (MonoObject));
1736 mono_mb_emit_byte (mb, CEE_ADD);
1737 mono_mb_emit_stloc (mb, 0);
1739 emit_struct_conv (mb, mono_class_from_mono_type (type), FALSE);
1741 /* restore the old src pointer */
1742 mono_mb_emit_ldloc (mb, src_var);
1743 mono_mb_emit_stloc (mb, 0);
1744 /* restore the old dst pointer */
1745 mono_mb_emit_ldloc (mb, dst_var);
1746 mono_mb_emit_stloc (mb, 1);
1748 mono_mb_patch_branch (mb, pos);
1753 case MONO_MARSHAL_CONV_OBJECT_INTERFACE:
1754 case MONO_MARSHAL_CONV_OBJECT_IDISPATCH:
1755 case MONO_MARSHAL_CONV_OBJECT_IUNKNOWN:
1756 mono_cominterop_emit_object_to_ptr_conv (mb, type, conv, mspec);
1758 #endif /* DISABLE_COM */
1760 case MONO_MARSHAL_CONV_SAFEHANDLE: {
1761 int dar_release_slot, pos;
1763 dar_release_slot = mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
1766 * The following is ifdefed-out, because I have no way of doing the
1767 * DangerousRelease when destroying the structure
1770 /* set release = false */
1771 mono_mb_emit_icon (mb, 0);
1772 mono_mb_emit_stloc (mb, dar_release_slot);
1773 if (!sh_dangerous_add_ref)
1774 init_safe_handle ();
1776 /* safehandle.DangerousAddRef (ref release) */
1777 mono_mb_emit_ldloc (mb, 0); /* the source */
1778 mono_mb_emit_byte (mb, CEE_LDIND_I);
1779 mono_mb_emit_ldloc_addr (mb, dar_release_slot);
1780 mono_mb_emit_managed_call (mb, sh_dangerous_add_ref, NULL);
1782 mono_mb_emit_ldloc (mb, 0);
1783 mono_mb_emit_byte (mb, CEE_LDIND_I);
1784 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
1785 mono_mb_emit_exception (mb, "ArgumentNullException", NULL);
1786 mono_mb_patch_branch (mb, pos);
1788 /* Pull the handle field from SafeHandle */
1789 mono_mb_emit_ldloc (mb, 1);
1790 mono_mb_emit_ldloc (mb, 0);
1791 mono_mb_emit_byte (mb, CEE_LDIND_I);
1792 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoSafeHandle, handle));
1793 mono_mb_emit_byte (mb, CEE_LDIND_I);
1794 mono_mb_emit_byte (mb, CEE_STIND_I);
1798 case MONO_MARSHAL_CONV_HANDLEREF: {
1799 mono_mb_emit_ldloc (mb, 1);
1800 mono_mb_emit_ldloc (mb, 0);
1801 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoHandleRef, handle));
1802 mono_mb_emit_byte (mb, CEE_ADD);
1803 mono_mb_emit_byte (mb, CEE_LDIND_I);
1804 mono_mb_emit_byte (mb, CEE_STIND_I);
1809 char *msg = g_strdup_printf ("marshalling conversion %d not implemented", conv);
1810 MonoException *exc = mono_get_exception_not_implemented (msg);
1811 g_warning ("%s", msg);
1813 mono_raise_exception (exc);
1819 emit_struct_conv_full (MonoMethodBuilder *mb, MonoClass *klass, gboolean to_object,
1820 MonoMarshalNative string_encoding)
1822 MonoMarshalType *info;
1826 emit_struct_conv(mb, klass->parent, to_object);
1828 info = mono_marshal_load_type_info (klass);
1830 if (info->native_size == 0)
1833 if (klass->blittable) {
1834 int msize = mono_class_value_size (klass, NULL);
1835 g_assert (msize == info->native_size);
1836 mono_mb_emit_ldloc (mb, 1);
1837 mono_mb_emit_ldloc (mb, 0);
1838 mono_mb_emit_icon (mb, msize);
1839 mono_mb_emit_byte (mb, CEE_PREFIX1);
1840 mono_mb_emit_byte (mb, CEE_CPBLK);
1842 mono_mb_emit_add_to_local (mb, 0, msize);
1843 mono_mb_emit_add_to_local (mb, 1, msize);
1847 if (klass != mono_defaults.safehandle_class) {
1848 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
1849 char *msg = g_strdup_printf ("Type %s which is passed to unmanaged code must have a StructLayout attribute.",
1850 mono_type_full_name (&klass->byval_arg));
1851 mono_mb_emit_exception_marshal_directive (mb, msg);
1856 for (i = 0; i < info->num_fields; i++) {
1857 MonoMarshalNative ntype;
1858 MonoMarshalConv conv;
1859 MonoType *ftype = info->fields [i].field->type;
1862 gboolean last_field = i < (info->num_fields -1) ? 0 : 1;
1864 if (ftype->attrs & FIELD_ATTRIBUTE_STATIC)
1867 ntype = mono_type_to_unmanaged (ftype, info->fields [i].mspec, TRUE, klass->unicode, &conv);
1870 msize = klass->instance_size - info->fields [i].field->offset;
1871 usize = info->native_size - info->fields [i].offset;
1873 msize = info->fields [i + 1].field->offset - info->fields [i].field->offset;
1874 usize = info->fields [i + 1].offset - info->fields [i].offset;
1877 if (klass != mono_defaults.safehandle_class){
1879 * FIXME: Should really check for usize==0 and msize>0, but we apply
1880 * the layout to the managed structure as well.
1883 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) && (usize == 0)) {
1884 if (MONO_TYPE_IS_REFERENCE (info->fields [i].field->type) ||
1885 ((!last_field && MONO_TYPE_IS_REFERENCE (info->fields [i + 1].field->type))))
1886 g_error ("Type %s which has an [ExplicitLayout] attribute cannot have a "
1887 "reference field at the same offset as another field.",
1888 mono_type_full_name (&klass->byval_arg));
1893 case MONO_MARSHAL_CONV_NONE: {
1896 if (ftype->byref || ftype->type == MONO_TYPE_I ||
1897 ftype->type == MONO_TYPE_U) {
1898 mono_mb_emit_ldloc (mb, 1);
1899 mono_mb_emit_ldloc (mb, 0);
1900 mono_mb_emit_byte (mb, CEE_LDIND_I);
1901 mono_mb_emit_byte (mb, CEE_STIND_I);
1912 case MONO_TYPE_BOOLEAN:
1915 case MONO_TYPE_CHAR:
1921 mono_mb_emit_ldloc (mb, 1);
1922 mono_mb_emit_ldloc (mb, 0);
1923 if (t == MONO_TYPE_CHAR && ntype == MONO_NATIVE_U1 && string_encoding != MONO_NATIVE_LPWSTR) {
1925 mono_mb_emit_byte (mb, CEE_LDIND_U1);
1926 mono_mb_emit_byte (mb, CEE_STIND_I2);
1928 mono_mb_emit_byte (mb, CEE_LDIND_U2);
1929 mono_mb_emit_byte (mb, CEE_STIND_I1);
1932 mono_mb_emit_byte (mb, mono_type_to_ldind (ftype));
1933 mono_mb_emit_byte (mb, mono_type_to_stind (ftype));
1936 case MONO_TYPE_VALUETYPE: {
1937 int src_var, dst_var;
1939 if (ftype->data.klass->enumtype) {
1940 ftype = mono_class_enum_basetype (ftype->data.klass);
1944 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1945 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1947 /* save the old src pointer */
1948 mono_mb_emit_ldloc (mb, 0);
1949 mono_mb_emit_stloc (mb, src_var);
1950 /* save the old dst pointer */
1951 mono_mb_emit_ldloc (mb, 1);
1952 mono_mb_emit_stloc (mb, dst_var);
1954 emit_struct_conv (mb, ftype->data.klass, to_object);
1956 /* restore the old src pointer */
1957 mono_mb_emit_ldloc (mb, src_var);
1958 mono_mb_emit_stloc (mb, 0);
1959 /* restore the old dst pointer */
1960 mono_mb_emit_ldloc (mb, dst_var);
1961 mono_mb_emit_stloc (mb, 1);
1964 case MONO_TYPE_OBJECT: {
1966 mono_init_com_types ();
1968 static MonoMethod *variant_clear = NULL;
1969 static MonoMethod *get_object_for_native_variant = NULL;
1972 variant_clear = mono_class_get_method_from_name (mono_defaults.variant_class, "Clear", 0);
1973 if (!get_object_for_native_variant)
1974 get_object_for_native_variant = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetObjectForNativeVariant", 1);
1975 mono_mb_emit_ldloc (mb, 1);
1976 mono_mb_emit_ldloc (mb, 0);
1977 mono_mb_emit_managed_call (mb, get_object_for_native_variant, NULL);
1978 mono_mb_emit_byte (mb, CEE_STIND_REF);
1980 mono_mb_emit_ldloc (mb, 0);
1981 mono_mb_emit_managed_call (mb, variant_clear, NULL);
1984 static MonoMethod *get_native_variant_for_object = NULL;
1986 if (!get_native_variant_for_object)
1987 get_native_variant_for_object = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetNativeVariantForObject", 2);
1989 mono_mb_emit_ldloc (mb, 0);
1990 mono_mb_emit_byte(mb, CEE_LDIND_REF);
1991 mono_mb_emit_ldloc (mb, 1);
1992 mono_mb_emit_managed_call (mb, get_native_variant_for_object, NULL);
1995 char *msg = g_strdup_printf ("COM support was disabled at compilation time.");
1996 mono_mb_emit_exception_marshal_directive (mb, msg);
2002 g_warning ("marshaling type %02x not implemented", ftype->type);
2003 g_assert_not_reached ();
2008 int src_var, dst_var;
2010 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2011 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2013 /* save the old src pointer */
2014 mono_mb_emit_ldloc (mb, 0);
2015 mono_mb_emit_stloc (mb, src_var);
2016 /* save the old dst pointer */
2017 mono_mb_emit_ldloc (mb, 1);
2018 mono_mb_emit_stloc (mb, dst_var);
2021 emit_ptr_to_object_conv (mb, ftype, conv, info->fields [i].mspec);
2023 emit_object_to_ptr_conv (mb, ftype, conv, info->fields [i].mspec);
2025 /* restore the old src pointer */
2026 mono_mb_emit_ldloc (mb, src_var);
2027 mono_mb_emit_stloc (mb, 0);
2028 /* restore the old dst pointer */
2029 mono_mb_emit_ldloc (mb, dst_var);
2030 mono_mb_emit_stloc (mb, 1);
2035 mono_mb_emit_add_to_local (mb, 0, usize);
2036 mono_mb_emit_add_to_local (mb, 1, msize);
2038 mono_mb_emit_add_to_local (mb, 0, msize);
2039 mono_mb_emit_add_to_local (mb, 1, usize);
2045 emit_struct_conv (MonoMethodBuilder *mb, MonoClass *klass, gboolean to_object)
2047 emit_struct_conv_full (mb, klass, to_object, -1);
2051 emit_struct_free (MonoMethodBuilder *mb, MonoClass *klass, int struct_var)
2053 /* Call DestroyStructure */
2054 /* FIXME: Only do this if needed */
2055 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2056 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
2057 mono_mb_emit_ldloc (mb, struct_var);
2058 mono_mb_emit_icall (mb, mono_struct_delete_old);
2062 emit_thread_interrupt_checkpoint_call (MonoMethodBuilder *mb, gpointer checkpoint_func)
2066 mono_mb_emit_ptr (mb, (gpointer) mono_thread_interruption_request_flag ());
2067 mono_mb_emit_byte (mb, CEE_LDIND_U4);
2068 pos_noabort = mono_mb_emit_branch (mb, CEE_BRFALSE);
2070 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2071 mono_mb_emit_byte (mb, CEE_MONO_NOT_TAKEN);
2073 mono_mb_emit_icall (mb, checkpoint_func);
2075 mono_mb_patch_branch (mb, pos_noabort);
2079 emit_thread_interrupt_checkpoint (MonoMethodBuilder *mb)
2081 if (strstr (mb->name, "mono_thread_interruption_checkpoint"))
2084 emit_thread_interrupt_checkpoint_call (mb, mono_thread_interruption_checkpoint);
2088 emit_thread_force_interrupt_checkpoint (MonoMethodBuilder *mb)
2090 emit_thread_interrupt_checkpoint_call (mb, mono_thread_force_interruption_checkpoint);
2094 mono_marshal_emit_thread_interrupt_checkpoint (MonoMethodBuilder *mb)
2096 emit_thread_interrupt_checkpoint (mb);
2099 static MonoAsyncResult *
2100 mono_delegate_begin_invoke (MonoDelegate *delegate, gpointer *params)
2102 MonoMethodMessage *msg;
2103 MonoDelegate *async_callback;
2104 MonoMulticastDelegate *mcast_delegate;
2108 MonoMethod *method = NULL, *method2 = NULL;
2110 g_assert (delegate);
2111 mcast_delegate = (MonoMulticastDelegate *) delegate;
2112 if (mcast_delegate->prev != NULL)
2113 mono_raise_exception (mono_get_exception_argument (NULL, "The delegate must have only one target"));
2115 if (delegate->target && mono_object_class (delegate->target) == mono_defaults.transparent_proxy_class) {
2117 MonoTransparentProxy* tp = (MonoTransparentProxy *)delegate->target;
2118 if (!tp->remote_class->proxy_class->contextbound || tp->rp->context != (MonoObject *) mono_context_get ()) {
2120 /* If the target is a proxy, make a direct call. Is proxy's work
2121 // to make the call asynchronous.
2123 MonoAsyncResult *ares;
2125 MonoArray *out_args;
2126 method = delegate->method;
2128 msg = mono_method_call_message_new (mono_marshal_method_from_wrapper (method), params, NULL, &async_callback, &state);
2129 ares = mono_async_result_new (mono_domain_get (), NULL, state, NULL, NULL);
2130 MONO_OBJECT_SETREF (ares, async_delegate, (MonoObject *)delegate);
2131 MONO_OBJECT_SETREF (ares, async_callback, (MonoObject *)async_callback);
2132 MONO_OBJECT_SETREF (msg, async_result, ares);
2133 msg->call_type = CallType_BeginInvoke;
2136 mono_remoting_invoke ((MonoObject *)tp->rp, msg, &exc, &out_args);
2138 mono_raise_exception ((MonoException *) exc);
2143 klass = delegate->object.vtable->klass;
2145 method = mono_get_delegate_invoke (klass);
2146 method2 = mono_class_get_method_from_name (klass, "BeginInvoke", -1);
2149 g_assert (method != NULL);
2151 im = mono_get_delegate_invoke (method->klass);
2152 msg = mono_method_call_message_new (method, params, im, &async_callback, &state);
2154 return mono_thread_pool_add ((MonoObject *)delegate, msg, async_callback, state);
2158 mono_mb_emit_save_args (MonoMethodBuilder *mb, MonoMethodSignature *sig, gboolean save_this)
2160 int i, params_var, tmp_var;
2162 /* allocate local (pointer) *params[] */
2163 params_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2164 /* allocate local (pointer) tmp */
2165 tmp_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2167 /* alloate space on stack to store an array of pointers to the arguments */
2168 mono_mb_emit_icon (mb, sizeof (gpointer) * (sig->param_count + 1));
2169 mono_mb_emit_byte (mb, CEE_PREFIX1);
2170 mono_mb_emit_byte (mb, CEE_LOCALLOC);
2171 mono_mb_emit_stloc (mb, params_var);
2174 mono_mb_emit_ldloc (mb, params_var);
2175 mono_mb_emit_stloc (mb, tmp_var);
2177 if (save_this && sig->hasthis) {
2178 mono_mb_emit_ldloc (mb, tmp_var);
2179 mono_mb_emit_ldarg_addr (mb, 0);
2180 mono_mb_emit_byte (mb, CEE_STIND_I);
2181 /* tmp = tmp + sizeof (gpointer) */
2182 if (sig->param_count)
2183 mono_mb_emit_add_to_local (mb, tmp_var, sizeof (gpointer));
2187 for (i = 0; i < sig->param_count; i++) {
2188 mono_mb_emit_ldloc (mb, tmp_var);
2189 mono_mb_emit_ldarg_addr (mb, i + sig->hasthis);
2190 mono_mb_emit_byte (mb, CEE_STIND_I);
2191 /* tmp = tmp + sizeof (gpointer) */
2192 if (i < (sig->param_count - 1))
2193 mono_mb_emit_add_to_local (mb, tmp_var, sizeof (gpointer));
2200 mono_signature_to_name (MonoMethodSignature *sig, const char *prefix)
2204 GString *res = g_string_new ("");
2207 g_string_append (res, prefix);
2208 g_string_append_c (res, '_');
2211 mono_type_get_desc (res, sig->ret, FALSE);
2214 g_string_append (res, "__this__");
2216 for (i = 0; i < sig->param_count; ++i) {
2217 g_string_append_c (res, '_');
2218 mono_type_get_desc (res, sig->params [i], FALSE);
2221 g_string_free (res, FALSE);
2226 * mono_marshal_get_string_encoding:
2228 * Return the string encoding which should be used for a given parameter.
2230 static MonoMarshalNative
2231 mono_marshal_get_string_encoding (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
2233 /* First try the parameter marshal info */
2235 if (spec->native == MONO_NATIVE_LPARRAY) {
2236 if ((spec->data.array_data.elem_type != 0) && (spec->data.array_data.elem_type != MONO_NATIVE_MAX))
2237 return spec->data.array_data.elem_type;
2240 return spec->native;
2244 return MONO_NATIVE_LPSTR;
2246 /* Then try the method level marshal info */
2247 switch (piinfo->piflags & PINVOKE_ATTRIBUTE_CHAR_SET_MASK) {
2248 case PINVOKE_ATTRIBUTE_CHAR_SET_ANSI:
2249 return MONO_NATIVE_LPSTR;
2250 case PINVOKE_ATTRIBUTE_CHAR_SET_UNICODE:
2251 return MONO_NATIVE_LPWSTR;
2252 case PINVOKE_ATTRIBUTE_CHAR_SET_AUTO:
2254 return MONO_NATIVE_LPWSTR;
2256 return MONO_NATIVE_LPSTR;
2259 return MONO_NATIVE_LPSTR;
2263 static MonoMarshalConv
2264 mono_marshal_get_string_to_ptr_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
2266 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
2269 case MONO_NATIVE_LPWSTR:
2270 return MONO_MARSHAL_CONV_STR_LPWSTR;
2271 case MONO_NATIVE_LPSTR:
2272 case MONO_NATIVE_VBBYREFSTR:
2273 return MONO_MARSHAL_CONV_STR_LPSTR;
2274 case MONO_NATIVE_LPTSTR:
2275 return MONO_MARSHAL_CONV_STR_LPTSTR;
2276 case MONO_NATIVE_BSTR:
2277 return MONO_MARSHAL_CONV_STR_BSTR;
2283 static MonoMarshalConv
2284 mono_marshal_get_stringbuilder_to_ptr_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
2286 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
2289 case MONO_NATIVE_LPWSTR:
2290 return MONO_MARSHAL_CONV_SB_LPWSTR;
2292 case MONO_NATIVE_LPSTR:
2293 return MONO_MARSHAL_CONV_SB_LPSTR;
2295 case MONO_NATIVE_LPTSTR:
2296 return MONO_MARSHAL_CONV_SB_LPTSTR;
2303 static MonoMarshalConv
2304 mono_marshal_get_ptr_to_string_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec, gboolean *need_free)
2306 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
2311 case MONO_NATIVE_LPWSTR:
2313 return MONO_MARSHAL_CONV_LPWSTR_STR;
2314 case MONO_NATIVE_LPSTR:
2315 case MONO_NATIVE_VBBYREFSTR:
2316 return MONO_MARSHAL_CONV_LPSTR_STR;
2317 case MONO_NATIVE_LPTSTR:
2318 return MONO_MARSHAL_CONV_LPTSTR_STR;
2319 case MONO_NATIVE_BSTR:
2320 return MONO_MARSHAL_CONV_BSTR_STR;
2326 static MonoMarshalConv
2327 mono_marshal_get_ptr_to_stringbuilder_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec, gboolean *need_free)
2329 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
2334 case MONO_NATIVE_LPWSTR:
2336 * mono_string_builder_to_utf16 does not allocate a
2337 * new buffer, so no need to free it.
2340 return MONO_MARSHAL_CONV_LPWSTR_SB;
2341 case MONO_NATIVE_LPSTR:
2342 return MONO_MARSHAL_CONV_LPSTR_SB;
2344 case MONO_NATIVE_LPTSTR:
2345 return MONO_MARSHAL_CONV_LPTSTR_SB;
2353 * Return whenever a field of a native structure or an array member needs to
2357 mono_marshal_need_free (MonoType *t, MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
2359 MonoMarshalNative encoding;
2360 MonoMarshalConv conv;
2363 case MONO_TYPE_VALUETYPE:
2364 /* FIXME: Optimize this */
2366 case MONO_TYPE_OBJECT:
2367 case MONO_TYPE_CLASS:
2368 if (t->data.klass == mono_defaults.stringbuilder_class) {
2370 conv = mono_marshal_get_ptr_to_stringbuilder_conv (piinfo, spec, &need_free);
2374 case MONO_TYPE_STRING:
2375 encoding = mono_marshal_get_string_encoding (piinfo, spec);
2376 return (encoding == MONO_NATIVE_LPWSTR) ? FALSE : TRUE;
2383 * Return the hash table pointed to by VAR, lazily creating it if neccesary.
2386 get_cache (GHashTable **var, GHashFunc hash_func, GCompareFunc equal_func)
2389 mono_marshal_lock ();
2392 g_hash_table_new (hash_func, equal_func);
2393 mono_memory_barrier ();
2396 mono_marshal_unlock ();
2402 get_cache_full (GHashTable **var, GHashFunc hash_func, GCompareFunc equal_func, GDestroyNotify key_destroy_func, GDestroyNotify value_destroy_func)
2405 mono_marshal_lock ();
2408 g_hash_table_new_full (hash_func, equal_func, key_destroy_func, value_destroy_func);
2409 mono_memory_barrier ();
2412 mono_marshal_unlock ();
2418 mono_marshal_get_cache (GHashTable **var, GHashFunc hash_func, GCompareFunc equal_func)
2420 return get_cache (var, hash_func, equal_func);
2424 mono_marshal_find_in_cache (GHashTable *cache, gpointer key)
2428 mono_marshal_lock ();
2429 res = g_hash_table_lookup (cache, key);
2430 mono_marshal_unlock ();
2434 /* Create the method from the builder and place it in the cache */
2436 mono_mb_create_and_cache (GHashTable *cache, gpointer key,
2437 MonoMethodBuilder *mb, MonoMethodSignature *sig,
2442 mono_marshal_lock ();
2443 res = g_hash_table_lookup (cache, key);
2444 mono_marshal_unlock ();
2447 newm = mono_mb_create_method (mb, sig, max_stack);
2448 mono_marshal_lock ();
2449 res = g_hash_table_lookup (cache, key);
2452 g_hash_table_insert (cache, key, res);
2453 mono_marshal_set_wrapper_info (res, key);
2454 mono_marshal_unlock ();
2456 mono_marshal_unlock ();
2457 mono_free_method (newm);
2465 static inline MonoMethod*
2466 mono_marshal_remoting_find_in_cache (MonoMethod *method, int wrapper_type)
2468 MonoMethod *res = NULL;
2469 MonoRemotingMethods *wrps;
2471 mono_marshal_lock ();
2472 if (method->klass->image->remoting_invoke_cache)
2473 wrps = g_hash_table_lookup (method->klass->image->remoting_invoke_cache, method);
2478 switch (wrapper_type) {
2479 case MONO_WRAPPER_REMOTING_INVOKE: res = wrps->invoke; break;
2480 case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK: res = wrps->invoke_with_check; break;
2481 case MONO_WRAPPER_XDOMAIN_INVOKE: res = wrps->xdomain_invoke; break;
2482 case MONO_WRAPPER_XDOMAIN_DISPATCH: res = wrps->xdomain_dispatch; break;
2486 /* it is important to do the unlock after the load from wrps, since in
2487 * mono_remoting_mb_create_and_cache () we drop the marshal lock to be able
2488 * to take the loader lock and some other thread may set the fields.
2490 mono_marshal_unlock ();
2494 /* Create the method from the builder and place it in the cache */
2495 static inline MonoMethod*
2496 mono_remoting_mb_create_and_cache (MonoMethod *key, MonoMethodBuilder *mb,
2497 MonoMethodSignature *sig, int max_stack)
2499 MonoMethod **res = NULL;
2500 MonoRemotingMethods *wrps;
2501 GHashTable *cache = get_cache_full (&key->klass->image->remoting_invoke_cache, mono_aligned_addr_hash, NULL, NULL, g_free);
2503 mono_marshal_lock ();
2504 wrps = g_hash_table_lookup (cache, key);
2506 wrps = g_new0 (MonoRemotingMethods, 1);
2507 g_hash_table_insert (cache, key, wrps);
2510 switch (mb->method->wrapper_type) {
2511 case MONO_WRAPPER_REMOTING_INVOKE: res = &wrps->invoke; break;
2512 case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK: res = &wrps->invoke_with_check; break;
2513 case MONO_WRAPPER_XDOMAIN_INVOKE: res = &wrps->xdomain_invoke; break;
2514 case MONO_WRAPPER_XDOMAIN_DISPATCH: res = &wrps->xdomain_dispatch; break;
2515 default: g_assert_not_reached (); break;
2517 mono_marshal_unlock ();
2521 newm = mono_mb_create_method (mb, sig, max_stack);
2523 mono_marshal_lock ();
2526 mono_marshal_set_wrapper_info (*res, key);
2527 mono_marshal_unlock ();
2529 mono_marshal_unlock ();
2530 mono_free_method (newm);
2538 mono_marshal_method_from_wrapper (MonoMethod *wrapper)
2541 int wrapper_type = wrapper->wrapper_type;
2544 if (wrapper_type == MONO_WRAPPER_NONE || wrapper_type == MONO_WRAPPER_DYNAMIC_METHOD)
2547 switch (wrapper_type) {
2548 case MONO_WRAPPER_REMOTING_INVOKE:
2549 case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK:
2550 case MONO_WRAPPER_XDOMAIN_INVOKE:
2551 case MONO_WRAPPER_SYNCHRONIZED:
2552 case MONO_WRAPPER_UNBOX:
2553 res = mono_marshal_get_wrapper_info (wrapper);
2557 case MONO_WRAPPER_MANAGED_TO_NATIVE:
2558 info = mono_marshal_get_wrapper_info (wrapper);
2559 if (info && (info->subtype == WRAPPER_SUBTYPE_NONE || info->subtype == WRAPPER_SUBTYPE_NATIVE_FUNC_AOT))
2560 return info->d.managed_to_native.method;
2563 case MONO_WRAPPER_RUNTIME_INVOKE:
2564 info = mono_marshal_get_wrapper_info (wrapper);
2565 if (info && (info->subtype == WRAPPER_SUBTYPE_RUNTIME_INVOKE_DIRECT || info->subtype == WRAPPER_SUBTYPE_RUNTIME_INVOKE_VIRTUAL))
2566 return info->d.runtime_invoke.method;
2575 * mono_marshal_get_wrapper_info:
2577 * Retrieve the pointer stored by mono_marshal_set_wrapper_info. The type of data
2578 * returned depends on the wrapper type. It is usually a method, a class, or a
2579 * WrapperInfo structure.
2582 mono_marshal_get_wrapper_info (MonoMethod *wrapper)
2584 g_assert (wrapper->wrapper_type);
2586 return mono_method_get_wrapper_data (wrapper, 1);
2590 * mono_marshal_set_wrapper_info:
2592 * Store an arbitrary pointer inside the wrapper which is retrievable by
2593 * mono_marshal_get_wrapper_info. The format of the data depends on the type of the
2594 * wrapper (method->wrapper_type).
2597 mono_marshal_set_wrapper_info (MonoMethod *method, gpointer data)
2601 if (method->wrapper_type == MONO_WRAPPER_NONE || method->wrapper_type == MONO_WRAPPER_DYNAMIC_METHOD)
2604 datav = ((MonoMethodWrapper *)method)->method_data;
2609 mono_wrapper_info_create (MonoMethod *wrapper, WrapperSubtype subtype)
2613 info = mono_image_alloc0 (wrapper->klass->image, sizeof (WrapperInfo));
2614 info->subtype = subtype;
2619 * get_wrapper_target_class:
2621 * Return the class where a wrapper method should be placed.
2624 get_wrapper_target_class (MonoImage *image)
2630 * - can't put all wrappers into an mscorlib class, because they reference
2631 * metadata (signature) so they should be put into the same image as the
2632 * method they wrap, so they are unloaded together.
2633 * - putting them into a class with a type initalizer could cause the
2634 * initializer to be executed which can be a problem if the wrappers are
2636 * - putting them into an inflated class can cause problems if the the
2637 * class is deleted because it references an image which is unloaded.
2638 * To avoid these problems, we put the wrappers into the <Module> class of
2642 klass = ((MonoDynamicImage*)image)->wrappers_type;
2644 klass = mono_class_get (image, mono_metadata_make_token (MONO_TABLE_TYPEDEF, 1));
2651 mono_marshal_get_delegate_begin_invoke (MonoMethod *method)
2653 MonoMethodSignature *sig;
2654 MonoMethodBuilder *mb;
2660 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
2661 !strcmp (method->name, "BeginInvoke"));
2663 sig = mono_signature_no_pinvoke (method);
2665 cache = get_cache (&method->klass->image->delegate_begin_invoke_cache,
2666 (GHashFunc)mono_signature_hash,
2667 (GCompareFunc)mono_metadata_signature_equal);
2668 if ((res = mono_marshal_find_in_cache (cache, sig)))
2671 g_assert (sig->hasthis);
2673 name = mono_signature_to_name (sig, "begin_invoke");
2674 mb = mono_mb_new (get_wrapper_target_class (method->klass->image), name, MONO_WRAPPER_DELEGATE_BEGIN_INVOKE);
2677 params_var = mono_mb_emit_save_args (mb, sig, FALSE);
2679 mono_mb_emit_ldarg (mb, 0);
2680 mono_mb_emit_ldloc (mb, params_var);
2681 mono_mb_emit_icall (mb, mono_delegate_begin_invoke);
2682 mono_mb_emit_byte (mb, CEE_RET);
2684 res = mono_mb_create_and_cache (cache, sig, mb, sig, sig->param_count + 16);
2690 mono_delegate_end_invoke (MonoDelegate *delegate, gpointer *params)
2692 MonoDomain *domain = mono_domain_get ();
2693 MonoAsyncResult *ares;
2694 MonoMethod *method = NULL;
2695 MonoMethodSignature *sig;
2696 MonoMethodMessage *msg;
2697 MonoObject *res, *exc;
2698 MonoArray *out_args;
2701 g_assert (delegate);
2703 if (!delegate->method_info) {
2704 g_assert (delegate->method);
2705 MONO_OBJECT_SETREF (delegate, method_info, mono_method_get_object (domain, delegate->method, NULL));
2708 if (!delegate->method_info || !delegate->method_info->method)
2709 g_assert_not_reached ();
2711 klass = delegate->object.vtable->klass;
2713 method = mono_class_get_method_from_name (klass, "EndInvoke", -1);
2714 g_assert (method != NULL);
2716 sig = mono_signature_no_pinvoke (method);
2718 msg = mono_method_call_message_new (method, params, NULL, NULL, NULL);
2720 ares = mono_array_get (msg->args, gpointer, sig->param_count - 1);
2722 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."));
2726 if (ares->async_delegate != (MonoObject*)delegate) {
2727 mono_raise_exception (mono_get_exception_invalid_operation (
2728 "The IAsyncResult object provided does not match this delegate."));
2732 if (delegate->target && mono_object_class (delegate->target) == mono_defaults.transparent_proxy_class) {
2733 MonoTransparentProxy* tp = (MonoTransparentProxy *)delegate->target;
2734 msg = (MonoMethodMessage *)mono_object_new (domain, mono_defaults.mono_method_message_class);
2735 mono_message_init (domain, msg, delegate->method_info, NULL);
2736 msg->call_type = CallType_EndInvoke;
2737 MONO_OBJECT_SETREF (msg, async_result, ares);
2738 res = mono_remoting_invoke ((MonoObject *)tp->rp, msg, &exc, &out_args);
2740 res = mono_thread_pool_finish (ares, &out_args, &exc);
2744 if (((MonoException*)exc)->stack_trace) {
2745 char *strace = mono_string_to_utf8 (((MonoException*)exc)->stack_trace);
2747 tmp = g_strdup_printf ("%s\nException Rethrown at:\n", strace);
2749 MONO_OBJECT_SETREF (((MonoException*)exc), stack_trace, mono_string_new (domain, tmp));
2752 mono_raise_exception ((MonoException*)exc);
2755 mono_method_return_message_restore (method, params, out_args);
2760 mono_mb_emit_restore_result (MonoMethodBuilder *mb, MonoType *return_type)
2762 MonoType *t = mono_type_get_underlying_type (return_type);
2764 if (return_type->byref)
2765 return_type = &mono_defaults.int_class->byval_arg;
2768 case MONO_TYPE_VOID:
2769 g_assert_not_reached ();
2772 case MONO_TYPE_STRING:
2773 case MONO_TYPE_CLASS:
2774 case MONO_TYPE_OBJECT:
2775 case MONO_TYPE_ARRAY:
2776 case MONO_TYPE_SZARRAY:
2780 case MONO_TYPE_BOOLEAN:
2783 case MONO_TYPE_CHAR:
2793 mono_mb_emit_op (mb, CEE_UNBOX, mono_class_from_mono_type (return_type));
2794 mono_mb_emit_byte (mb, mono_type_to_ldind (return_type));
2796 case MONO_TYPE_GENERICINST:
2797 if (!mono_type_generic_inst_is_valuetype (t))
2800 case MONO_TYPE_VALUETYPE: {
2801 MonoClass *klass = mono_class_from_mono_type (return_type);
2802 mono_mb_emit_op (mb, CEE_UNBOX, klass);
2803 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
2807 g_warning ("type 0x%x not handled", return_type->type);
2808 g_assert_not_reached ();
2811 mono_mb_emit_byte (mb, CEE_RET);
2815 mono_marshal_get_delegate_end_invoke (MonoMethod *method)
2817 MonoMethodSignature *sig;
2818 MonoMethodBuilder *mb;
2824 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
2825 !strcmp (method->name, "EndInvoke"));
2827 sig = mono_signature_no_pinvoke (method);
2829 cache = get_cache (&method->klass->image->delegate_end_invoke_cache,
2830 (GHashFunc)mono_signature_hash,
2831 (GCompareFunc)mono_metadata_signature_equal);
2832 if ((res = mono_marshal_find_in_cache (cache, sig)))
2835 g_assert (sig->hasthis);
2837 name = mono_signature_to_name (sig, "end_invoke");
2838 mb = mono_mb_new (get_wrapper_target_class (method->klass->image), name, MONO_WRAPPER_DELEGATE_END_INVOKE);
2841 params_var = mono_mb_emit_save_args (mb, sig, FALSE);
2843 mono_mb_emit_ldarg (mb, 0);
2844 mono_mb_emit_ldloc (mb, params_var);
2845 mono_mb_emit_icall (mb, mono_delegate_end_invoke);
2847 if (sig->ret->type == MONO_TYPE_VOID) {
2848 mono_mb_emit_byte (mb, CEE_POP);
2849 mono_mb_emit_byte (mb, CEE_RET);
2851 mono_mb_emit_restore_result (mb, sig->ret);
2853 res = mono_mb_create_and_cache (cache, sig,
2854 mb, sig, sig->param_count + 16);
2861 mono_remoting_wrapper (MonoMethod *method, gpointer *params)
2863 MonoMethodMessage *msg;
2864 MonoTransparentProxy *this;
2865 MonoObject *res, *exc;
2866 MonoArray *out_args;
2868 this = *((MonoTransparentProxy **)params [0]);
2871 g_assert (((MonoObject *)this)->vtable->klass == mono_defaults.transparent_proxy_class);
2873 /* skip the this pointer */
2876 if (this->remote_class->proxy_class->contextbound && this->rp->context == (MonoObject *) mono_context_get ())
2879 MonoMethodSignature *sig = mono_method_signature (method);
2880 int count = sig->param_count;
2881 gpointer* mparams = (gpointer*) alloca(count*sizeof(gpointer));
2883 for (i=0; i<count; i++) {
2884 MonoClass *class = mono_class_from_mono_type (sig->params [i]);
2885 if (class->valuetype) {
2886 if (sig->params [i]->byref) {
2887 mparams[i] = *((gpointer *)params [i]);
2889 /* runtime_invoke expects a boxed instance */
2890 if (mono_class_is_nullable (mono_class_from_mono_type (sig->params [i])))
2891 mparams[i] = mono_nullable_box (params [i], class);
2893 mparams[i] = params [i];
2896 mparams[i] = *((gpointer**)params [i]);
2900 return mono_runtime_invoke (method, method->klass->valuetype? mono_object_unbox ((MonoObject*)this): this, mparams, NULL);
2903 msg = mono_method_call_message_new (method, params, NULL, NULL, NULL);
2905 res = mono_remoting_invoke ((MonoObject *)this->rp, msg, &exc, &out_args);
2908 mono_raise_exception ((MonoException *)exc);
2910 mono_method_return_message_restore (method, params, out_args);
2916 mono_marshal_get_remoting_invoke (MonoMethod *method)
2918 MonoMethodSignature *sig;
2919 MonoMethodBuilder *mb;
2925 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE || method->wrapper_type == MONO_WRAPPER_XDOMAIN_INVOKE)
2928 /* this seems to be the best plase to put this, as all remoting invokes seem to get filtered through here */
2930 if (method->klass->is_com_object || method->klass == mono_defaults.com_object_class) {
2931 MonoVTable *vtable = mono_class_vtable (mono_domain_get (), method->klass);
2932 g_assert (vtable); /*FIXME do proper error handling*/
2934 if (!vtable->remote) {
2935 return mono_cominterop_get_invoke (method);
2940 sig = mono_signature_no_pinvoke (method);
2942 /* we cant remote methods without this pointer */
2946 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_REMOTING_INVOKE)))
2949 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_REMOTING_INVOKE);
2950 mb->method->save_lmf = 1;
2952 params_var = mono_mb_emit_save_args (mb, sig, TRUE);
2954 mono_mb_emit_ptr (mb, method);
2955 mono_mb_emit_ldloc (mb, params_var);
2956 mono_mb_emit_icall (mb, mono_remoting_wrapper);
2957 emit_thread_interrupt_checkpoint (mb);
2959 if (sig->ret->type == MONO_TYPE_VOID) {
2960 mono_mb_emit_byte (mb, CEE_POP);
2961 mono_mb_emit_byte (mb, CEE_RET);
2963 mono_mb_emit_restore_result (mb, sig->ret);
2966 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16);
2972 /* mono_get_xdomain_marshal_type()
2973 * Returns the kind of marshalling that a type needs for cross domain calls.
2975 static MonoXDomainMarshalType
2976 mono_get_xdomain_marshal_type (MonoType *t)
2979 case MONO_TYPE_VOID:
2980 g_assert_not_reached ();
2984 case MONO_TYPE_BOOLEAN:
2987 case MONO_TYPE_CHAR:
2994 return MONO_MARSHAL_NONE;
2995 case MONO_TYPE_STRING:
2996 return MONO_MARSHAL_COPY;
2997 case MONO_TYPE_ARRAY:
2998 case MONO_TYPE_SZARRAY: {
2999 MonoClass *elem_class = mono_class_from_mono_type (t)->element_class;
3000 if (mono_get_xdomain_marshal_type (&(elem_class->byval_arg)) != MONO_MARSHAL_SERIALIZE)
3001 return MONO_MARSHAL_COPY;
3006 return MONO_MARSHAL_SERIALIZE;
3010 /* mono_marshal_xdomain_copy_value
3011 * Makes a copy of "val" suitable for the current domain.
3014 mono_marshal_xdomain_copy_value (MonoObject *val)
3017 if (val == NULL) return NULL;
3019 domain = mono_domain_get ();
3021 switch (mono_object_class (val)->byval_arg.type) {
3022 case MONO_TYPE_VOID:
3023 g_assert_not_reached ();
3027 case MONO_TYPE_BOOLEAN:
3030 case MONO_TYPE_CHAR:
3036 case MONO_TYPE_R8: {
3037 return mono_value_box (domain, mono_object_class (val), ((char*)val) + sizeof(MonoObject));
3039 case MONO_TYPE_STRING: {
3040 MonoString *str = (MonoString *) val;
3041 return (MonoObject *) mono_string_new_utf16 (domain, mono_string_chars (str), mono_string_length (str));
3043 case MONO_TYPE_ARRAY:
3044 case MONO_TYPE_SZARRAY: {
3046 MonoXDomainMarshalType mt = mono_get_xdomain_marshal_type (&(mono_object_class (val)->element_class->byval_arg));
3047 if (mt == MONO_MARSHAL_SERIALIZE) return NULL;
3048 acopy = mono_array_clone_in_domain (domain, (MonoArray *) val);
3049 if (mt == MONO_MARSHAL_COPY) {
3050 int i, len = mono_array_length (acopy);
3051 for (i = 0; i < len; i++) {
3052 MonoObject *item = mono_array_get (acopy, gpointer, i);
3053 mono_array_setref (acopy, i, mono_marshal_xdomain_copy_value (item));
3056 return (MonoObject *) acopy;
3060 if (mono_object_class (val) == mono_defaults.stringbuilder_class) {
3061 MonoStringBuilder *oldsb = (MonoStringBuilder *) val;
3062 MonoStringBuilder *newsb = (MonoStringBuilder *) mono_object_new (domain, mono_defaults.stringbuilder_class);
3063 MONO_OBJECT_SETREF (newsb, str, mono_string_new_utf16 (domain, mono_string_chars (oldsb->str), mono_string_length (oldsb->str)));
3064 newsb->length = oldsb->length;
3065 newsb->max_capacity = (gint32)0x7fffffff;
3066 return (MonoObject *) newsb;
3071 /* mono_marshal_xdomain_copy_out_value()
3072 * Copies the contents of the src instance into the dst instance. src and dst
3073 * must have the same type, and if they are arrays, the same size.
3076 mono_marshal_xdomain_copy_out_value (MonoObject *src, MonoObject *dst)
3078 if (src == NULL || dst == NULL) return;
3080 g_assert (mono_object_class (src) == mono_object_class (dst));
3082 switch (mono_object_class (src)->byval_arg.type) {
3083 case MONO_TYPE_ARRAY:
3084 case MONO_TYPE_SZARRAY: {
3085 int mt = mono_get_xdomain_marshal_type (&(mono_object_class (src)->element_class->byval_arg));
3086 if (mt == MONO_MARSHAL_SERIALIZE) return;
3087 if (mt == MONO_MARSHAL_COPY) {
3088 int i, len = mono_array_length ((MonoArray *)dst);
3089 for (i = 0; i < len; i++) {
3090 MonoObject *item = mono_array_get ((MonoArray *)src, gpointer, i);
3091 mono_array_setref ((MonoArray *)dst, i, mono_marshal_xdomain_copy_value (item));
3094 mono_array_full_copy ((MonoArray *)src, (MonoArray *)dst);
3100 if (mono_object_class (src) == mono_defaults.stringbuilder_class) {
3101 MonoStringBuilder *src_sb = (MonoStringBuilder *) src;
3102 MonoStringBuilder *dst_sb = (MonoStringBuilder *) dst;
3104 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)));
3105 dst_sb->cached_str = NULL;
3106 dst_sb->length = src_sb->length;
3111 mono_marshal_emit_xdomain_copy_value (MonoMethodBuilder *mb, MonoClass *pclass)
3113 mono_mb_emit_icall (mb, mono_marshal_xdomain_copy_value);
3114 mono_mb_emit_op (mb, CEE_CASTCLASS, pclass);
3118 mono_marshal_emit_xdomain_copy_out_value (MonoMethodBuilder *mb, MonoClass *pclass)
3120 mono_mb_emit_icall (mb, mono_marshal_xdomain_copy_out_value);
3123 /* mono_marshal_supports_fast_xdomain()
3124 * Returns TRUE if the method can use the fast xdomain wrapper.
3127 mono_marshal_supports_fast_xdomain (MonoMethod *method)
3129 return !method->klass->contextbound &&
3130 !((method->flags & METHOD_ATTRIBUTE_SPECIAL_NAME) && (strcmp (".ctor", method->name) == 0));
3134 mono_marshal_set_domain_by_id (gint32 id, MonoBoolean push)
3136 MonoDomain *current_domain = mono_domain_get ();
3137 MonoDomain *domain = mono_domain_get_by_id (id);
3139 if (!domain || !mono_domain_set (domain, FALSE))
3140 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
3143 mono_thread_push_appdomain_ref (domain);
3145 mono_thread_pop_appdomain_ref ();
3147 return current_domain->domain_id;
3151 mono_marshal_emit_switch_domain (MonoMethodBuilder *mb)
3153 mono_mb_emit_icall (mb, mono_marshal_set_domain_by_id);
3156 /* mono_marshal_emit_load_domain_method ()
3157 * Loads into the stack a pointer to the code of the provided method for
3158 * the current domain.
3161 mono_marshal_emit_load_domain_method (MonoMethodBuilder *mb, MonoMethod *method)
3163 /* We need a pointer to the method for the running domain (not the domain
3164 * that compiles the method).
3166 mono_mb_emit_ptr (mb, method);
3167 mono_mb_emit_icall (mb, mono_compile_method);
3170 /* mono_marshal_check_domain_image ()
3171 * Returns TRUE if the image is loaded in the specified
3172 * application domain.
3175 mono_marshal_check_domain_image (gint32 domain_id, MonoImage *image)
3180 MonoDomain *domain = mono_domain_get_by_id (domain_id);
3184 mono_domain_assemblies_lock (domain);
3185 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
3187 if (ass->image == image)
3190 mono_domain_assemblies_unlock (domain);
3195 /* mono_marshal_get_xappdomain_dispatch ()
3196 * Generates a method that dispatches a method call from another domain into
3197 * the current domain.
3200 mono_marshal_get_xappdomain_dispatch (MonoMethod *method, int *marshal_types, int complex_count, int complex_out_count, int ret_marshal_type)
3202 MonoMethodSignature *sig, *csig;
3203 MonoMethodBuilder *mb;
3205 int i, j, param_index, copy_locals_base;
3206 MonoClass *ret_class = NULL;
3207 int loc_array=0, loc_return=0, loc_serialized_exc=0;
3208 MonoExceptionClause *main_clause;
3210 gboolean copy_return;
3212 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_XDOMAIN_DISPATCH)))
3215 sig = mono_method_signature (method);
3216 copy_return = (sig->ret->type != MONO_TYPE_VOID && ret_marshal_type != MONO_MARSHAL_SERIALIZE);
3219 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3 + sig->param_count - complex_count);
3220 csig->params [j++] = &mono_defaults.object_class->byval_arg;
3221 csig->params [j++] = &byte_array_class->this_arg;
3222 csig->params [j++] = &byte_array_class->this_arg;
3223 for (i = 0; i < sig->param_count; i++) {
3224 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE)
3225 csig->params [j++] = sig->params [i];
3228 csig->ret = sig->ret;
3230 csig->ret = &mono_defaults.void_class->byval_arg;
3232 csig->hasthis = FALSE;
3234 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_XDOMAIN_DISPATCH);
3235 mb->method->save_lmf = 1;
3239 loc_serialized_exc = mono_mb_add_local (mb, &byte_array_class->byval_arg);
3240 if (complex_count > 0)
3241 loc_array = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3242 if (sig->ret->type != MONO_TYPE_VOID) {
3243 loc_return = mono_mb_add_local (mb, sig->ret);
3244 ret_class = mono_class_from_mono_type (sig->ret);
3249 main_clause = mono_image_alloc0 (method->klass->image, sizeof (MonoExceptionClause));
3250 main_clause->try_offset = mono_mb_get_label (mb);
3252 /* Clean the call context */
3254 mono_mb_emit_byte (mb, CEE_LDNULL);
3255 mono_mb_emit_managed_call (mb, method_set_call_context, NULL);
3256 mono_mb_emit_byte (mb, CEE_POP);
3258 /* Deserialize call data */
3260 mono_mb_emit_ldarg (mb, 1);
3261 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3262 mono_mb_emit_byte (mb, CEE_DUP);
3263 pos = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
3265 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
3266 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
3268 if (complex_count > 0)
3269 mono_mb_emit_stloc (mb, loc_array);
3271 mono_mb_emit_byte (mb, CEE_POP);
3273 mono_mb_patch_short_branch (mb, pos);
3275 /* Get the target object */
3277 mono_mb_emit_ldarg (mb, 0);
3278 mono_mb_emit_managed_call (mb, method_rs_appdomain_target, NULL);
3280 /* Load the arguments */
3282 copy_locals_base = mb->locals;
3283 param_index = 3; // Index of the first non-serialized parameter of this wrapper
3285 for (i = 0; i < sig->param_count; i++) {
3286 MonoType *pt = sig->params [i];
3287 MonoClass *pclass = mono_class_from_mono_type (pt);
3288 switch (marshal_types [i]) {
3289 case MONO_MARSHAL_SERIALIZE: {
3290 /* take the value from the serialized array */
3291 mono_mb_emit_ldloc (mb, loc_array);
3292 mono_mb_emit_icon (mb, j++);
3294 if (pclass->valuetype) {
3295 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3296 mono_mb_emit_op (mb, CEE_UNBOX, pclass);
3298 mono_mb_emit_op (mb, CEE_LDELEMA, pclass);
3301 if (pclass->valuetype) {
3302 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3303 mono_mb_emit_op (mb, CEE_UNBOX, pclass);
3304 mono_mb_emit_op (mb, CEE_LDOBJ, pclass);
3306 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3307 if (pclass != mono_defaults.object_class) {
3308 mono_mb_emit_op (mb, CEE_CASTCLASS, pclass);
3314 case MONO_MARSHAL_COPY_OUT: {
3315 /* Keep a local copy of the value since we need to copy it back after the call */
3316 int copy_local = mono_mb_add_local (mb, &(pclass->byval_arg));
3317 mono_mb_emit_ldarg (mb, param_index++);
3318 mono_marshal_emit_xdomain_copy_value (mb, pclass);
3319 mono_mb_emit_byte (mb, CEE_DUP);
3320 mono_mb_emit_stloc (mb, copy_local);
3323 case MONO_MARSHAL_COPY: {
3324 mono_mb_emit_ldarg (mb, param_index);
3326 mono_mb_emit_byte (mb, CEE_DUP);
3327 mono_mb_emit_byte (mb, CEE_DUP);
3328 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3329 mono_marshal_emit_xdomain_copy_value (mb, pclass);
3330 mono_mb_emit_byte (mb, CEE_STIND_REF);
3332 mono_marshal_emit_xdomain_copy_value (mb, pclass);
3337 case MONO_MARSHAL_NONE:
3338 mono_mb_emit_ldarg (mb, param_index++);
3343 /* Make the call to the real object */
3345 emit_thread_force_interrupt_checkpoint (mb);
3347 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
3349 if (sig->ret->type != MONO_TYPE_VOID)
3350 mono_mb_emit_stloc (mb, loc_return);
3352 /* copy back MONO_MARSHAL_COPY_OUT parameters */
3356 for (i = 0; i < sig->param_count; i++) {
3357 if (marshal_types [i] == MONO_MARSHAL_SERIALIZE) continue;
3358 if (marshal_types [i] == MONO_MARSHAL_COPY_OUT) {
3359 mono_mb_emit_ldloc (mb, copy_locals_base + (j++));
3360 mono_mb_emit_ldarg (mb, param_index);
3361 mono_marshal_emit_xdomain_copy_out_value (mb, mono_class_from_mono_type (sig->params [i]));
3366 /* Serialize the return values */
3368 if (complex_out_count > 0) {
3369 /* Reset parameters in the array that don't need to be serialized back */
3371 for (i = 0; i < sig->param_count; i++) {
3372 if (marshal_types[i] != MONO_MARSHAL_SERIALIZE) continue;
3373 if (!sig->params [i]->byref) {
3374 mono_mb_emit_ldloc (mb, loc_array);
3375 mono_mb_emit_icon (mb, j);
3376 mono_mb_emit_byte (mb, CEE_LDNULL);
3377 mono_mb_emit_byte (mb, CEE_STELEM_REF);
3382 /* Add the return value to the array */
3384 if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
3385 mono_mb_emit_ldloc (mb, loc_array);
3386 mono_mb_emit_icon (mb, complex_count); /* The array has an additional slot to hold the ret value */
3387 mono_mb_emit_ldloc (mb, loc_return);
3389 g_assert (ret_class); /*FIXME properly fail here*/
3390 if (ret_class->valuetype) {
3391 mono_mb_emit_op (mb, CEE_BOX, ret_class);
3393 mono_mb_emit_byte (mb, CEE_STELEM_REF);
3398 mono_mb_emit_ldarg (mb, 1);
3399 mono_mb_emit_ldloc (mb, loc_array);
3400 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3401 mono_mb_emit_byte (mb, CEE_STIND_REF);
3402 } else if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
3403 mono_mb_emit_ldarg (mb, 1);
3404 mono_mb_emit_ldloc (mb, loc_return);
3405 if (ret_class->valuetype) {
3406 mono_mb_emit_op (mb, CEE_BOX, ret_class);
3408 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3409 mono_mb_emit_byte (mb, CEE_STIND_REF);
3411 mono_mb_emit_ldarg (mb, 1);
3412 mono_mb_emit_byte (mb, CEE_LDNULL);
3413 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3414 mono_mb_emit_byte (mb, CEE_STIND_REF);
3417 mono_mb_emit_ldarg (mb, 2);
3418 mono_mb_emit_byte (mb, CEE_LDNULL);
3419 mono_mb_emit_byte (mb, CEE_STIND_REF);
3420 pos_leave = mono_mb_emit_branch (mb, CEE_LEAVE);
3422 /* Main exception catch */
3423 main_clause->flags = MONO_EXCEPTION_CLAUSE_NONE;
3424 main_clause->try_len = mono_mb_get_pos (mb) - main_clause->try_offset;
3425 main_clause->data.catch_class = mono_defaults.object_class;
3428 main_clause->handler_offset = mono_mb_get_label (mb);
3429 mono_mb_emit_managed_call (mb, method_rs_serialize_exc, NULL);
3430 mono_mb_emit_stloc (mb, loc_serialized_exc);
3431 mono_mb_emit_ldarg (mb, 2);
3432 mono_mb_emit_ldloc (mb, loc_serialized_exc);
3433 mono_mb_emit_byte (mb, CEE_STIND_REF);
3434 mono_mb_emit_branch (mb, CEE_LEAVE);
3435 main_clause->handler_len = mono_mb_get_pos (mb) - main_clause->handler_offset;
3438 mono_mb_patch_branch (mb, pos_leave);
3441 mono_mb_emit_ldloc (mb, loc_return);
3443 mono_mb_emit_byte (mb, CEE_RET);
3445 mono_mb_set_clauses (mb, 1, main_clause);
3447 res = mono_remoting_mb_create_and_cache (method, mb, csig, csig->param_count + 16);
3453 /* mono_marshal_get_xappdomain_invoke ()
3454 * Generates a fast remoting wrapper for cross app domain calls.
3457 mono_marshal_get_xappdomain_invoke (MonoMethod *method)
3459 MonoMethodSignature *sig;
3460 MonoMethodBuilder *mb;
3462 int i, j, complex_count, complex_out_count, copy_locals_base;
3464 MonoClass *ret_class = NULL;
3465 MonoMethod *xdomain_method;
3466 int ret_marshal_type = MONO_MARSHAL_NONE;
3467 int loc_array=0, loc_serialized_data=-1, loc_real_proxy;
3468 int loc_old_domainid, loc_domainid, loc_return=0, loc_serialized_exc=0, loc_context;
3469 int pos, pos_dispatch, pos_noex;
3470 gboolean copy_return = FALSE;
3474 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE || method->wrapper_type == MONO_WRAPPER_XDOMAIN_INVOKE)
3477 /* we cant remote methods without this pointer */
3478 if (!mono_method_signature (method)->hasthis)
3481 if (!mono_marshal_supports_fast_xdomain (method))
3482 return mono_marshal_get_remoting_invoke (method);
3484 mono_remoting_marshal_init ();
3486 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_XDOMAIN_INVOKE)))
3489 sig = mono_signature_no_pinvoke (method);
3491 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_XDOMAIN_INVOKE);
3492 mb->method->save_lmf = 1;
3494 /* Count the number of parameters that need to be serialized */
3496 marshal_types = alloca (sizeof (int) * sig->param_count);
3497 complex_count = complex_out_count = 0;
3498 for (i = 0; i < sig->param_count; i++) {
3499 MonoType *ptype = sig->params[i];
3500 int mt = mono_get_xdomain_marshal_type (ptype);
3502 /* If the [Out] attribute is applied to a parameter that can be internally copied,
3503 * the copy will be made by reusing the original object instance
3505 if ((ptype->attrs & PARAM_ATTRIBUTE_OUT) != 0 && mt == MONO_MARSHAL_COPY && !ptype->byref)
3506 mt = MONO_MARSHAL_COPY_OUT;
3507 else if (mt == MONO_MARSHAL_SERIALIZE) {
3509 if (ptype->byref) complex_out_count++;
3511 marshal_types [i] = mt;
3514 if (sig->ret->type != MONO_TYPE_VOID) {
3515 ret_marshal_type = mono_get_xdomain_marshal_type (sig->ret);
3516 ret_class = mono_class_from_mono_type (sig->ret);
3517 copy_return = ret_marshal_type != MONO_MARSHAL_SERIALIZE;
3522 if (complex_count > 0)
3523 loc_array = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3524 loc_serialized_data = mono_mb_add_local (mb, &byte_array_class->byval_arg);
3525 loc_real_proxy = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3527 loc_return = mono_mb_add_local (mb, sig->ret);
3528 loc_old_domainid = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
3529 loc_domainid = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
3530 loc_serialized_exc = mono_mb_add_local (mb, &byte_array_class->byval_arg);
3531 loc_context = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3533 /* Save thread domain data */
3535 mono_mb_emit_icall (mb, mono_context_get);
3536 mono_mb_emit_byte (mb, CEE_DUP);
3537 mono_mb_emit_stloc (mb, loc_context);
3539 /* If the thread is not running in the default context, it needs to go
3540 * through the whole remoting sink, since the context is going to change
3542 mono_mb_emit_managed_call (mb, method_needs_context_sink, NULL);
3543 pos = mono_mb_emit_short_branch (mb, CEE_BRTRUE_S);
3545 /* Another case in which the fast path can't be used: when the target domain
3546 * has a different image for the same assembly.
3549 /* Get the target domain id */
3551 mono_mb_emit_ldarg (mb, 0);
3552 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
3553 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3554 mono_mb_emit_byte (mb, CEE_DUP);
3555 mono_mb_emit_stloc (mb, loc_real_proxy);
3557 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoRealProxy, target_domain_id));
3558 mono_mb_emit_byte (mb, CEE_LDIND_I4);
3559 mono_mb_emit_stloc (mb, loc_domainid);
3561 /* Check if the target domain has the same image for the required assembly */
3563 mono_mb_emit_ldloc (mb, loc_domainid);
3564 mono_mb_emit_ptr (mb, method->klass->image);
3565 mono_mb_emit_icall (mb, mono_marshal_check_domain_image);
3566 pos_dispatch = mono_mb_emit_short_branch (mb, CEE_BRTRUE_S);
3568 /* Use the whole remoting sink to dispatch this message */
3570 mono_mb_patch_short_branch (mb, pos);
3572 mono_mb_emit_ldarg (mb, 0);
3573 for (i = 0; i < sig->param_count; i++)
3574 mono_mb_emit_ldarg (mb, i + 1);
3576 mono_mb_emit_managed_call (mb, mono_marshal_get_remoting_invoke (method), NULL);
3577 mono_mb_emit_byte (mb, CEE_RET);
3578 mono_mb_patch_short_branch (mb, pos_dispatch);
3580 /* Create the array that will hold the parameters to be serialized */
3582 if (complex_count > 0) {
3583 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 */
3584 mono_mb_emit_op (mb, CEE_NEWARR, mono_defaults.object_class);
3587 for (i = 0; i < sig->param_count; i++) {
3589 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE) continue;
3590 pclass = mono_class_from_mono_type (sig->params[i]);
3591 mono_mb_emit_byte (mb, CEE_DUP);
3592 mono_mb_emit_icon (mb, j);
3593 mono_mb_emit_ldarg (mb, i + 1); /* 0=this */
3594 if (sig->params[i]->byref) {
3595 if (pclass->valuetype)
3596 mono_mb_emit_op (mb, CEE_LDOBJ, pclass);
3598 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3600 if (pclass->valuetype)
3601 mono_mb_emit_op (mb, CEE_BOX, pclass);
3602 mono_mb_emit_byte (mb, CEE_STELEM_REF);
3605 mono_mb_emit_stloc (mb, loc_array);
3607 /* Serialize parameters */
3609 mono_mb_emit_ldloc (mb, loc_array);
3610 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3611 mono_mb_emit_stloc (mb, loc_serialized_data);
3613 mono_mb_emit_byte (mb, CEE_LDNULL);
3614 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3615 mono_mb_emit_stloc (mb, loc_serialized_data);
3620 mono_mb_emit_ldloc (mb, loc_domainid);
3621 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
3622 mono_marshal_emit_switch_domain (mb);
3623 mono_mb_emit_stloc (mb, loc_old_domainid);
3625 /* Load the arguments */
3627 mono_mb_emit_ldloc (mb, loc_real_proxy);
3628 mono_mb_emit_ldloc_addr (mb, loc_serialized_data);
3629 mono_mb_emit_ldloc_addr (mb, loc_serialized_exc);
3631 copy_locals_base = mb->locals;
3632 for (i = 0; i < sig->param_count; i++) {
3633 switch (marshal_types [i]) {
3634 case MONO_MARSHAL_SERIALIZE:
3636 case MONO_MARSHAL_COPY: {
3637 mono_mb_emit_ldarg (mb, i+1);
3638 if (sig->params [i]->byref) {
3639 /* make a local copy of the byref parameter. The real parameter
3640 * will be updated after the xdomain call
3642 MonoClass *pclass = mono_class_from_mono_type (sig->params [i]);
3643 int copy_local = mono_mb_add_local (mb, &(pclass->byval_arg));
3644 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3645 mono_mb_emit_stloc (mb, copy_local);
3646 mono_mb_emit_ldloc_addr (mb, copy_local);
3650 case MONO_MARSHAL_COPY_OUT:
3651 case MONO_MARSHAL_NONE:
3652 mono_mb_emit_ldarg (mb, i+1);
3657 /* Make the call to the invoke wrapper in the target domain */
3659 xdomain_method = mono_marshal_get_xappdomain_dispatch (method, marshal_types, complex_count, complex_out_count, ret_marshal_type);
3660 mono_marshal_emit_load_domain_method (mb, xdomain_method);
3661 mono_mb_emit_calli (mb, mono_method_signature (xdomain_method));
3664 mono_mb_emit_stloc (mb, loc_return);
3668 mono_mb_emit_ldloc (mb, loc_old_domainid);
3669 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
3670 mono_marshal_emit_switch_domain (mb);
3671 mono_mb_emit_byte (mb, CEE_POP);
3673 /* Restore thread domain data */
3675 mono_mb_emit_ldloc (mb, loc_context);
3676 mono_mb_emit_icall (mb, mono_context_set);
3678 /* if (loc_serialized_exc != null) ... */
3680 mono_mb_emit_ldloc (mb, loc_serialized_exc);
3681 pos_noex = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
3683 mono_mb_emit_ldloc (mb, loc_serialized_exc);
3684 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
3685 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
3686 mono_mb_emit_op (mb, CEE_CASTCLASS, mono_defaults.exception_class);
3687 mono_mb_emit_managed_call (mb, method_exc_fixexc, NULL);
3688 mono_mb_emit_byte (mb, CEE_THROW);
3689 mono_mb_patch_short_branch (mb, pos_noex);
3691 /* copy back non-serialized output parameters */
3694 for (i = 0; i < sig->param_count; i++) {
3695 if (!sig->params [i]->byref || marshal_types [i] != MONO_MARSHAL_COPY) continue;
3696 mono_mb_emit_ldarg (mb, i + 1);
3697 mono_mb_emit_ldloc (mb, copy_locals_base + (j++));
3698 mono_marshal_emit_xdomain_copy_value (mb, mono_class_from_mono_type (sig->params [i]));
3699 mono_mb_emit_byte (mb, CEE_STIND_REF);
3702 /* Deserialize out parameters */
3704 if (complex_out_count > 0) {
3705 mono_mb_emit_ldloc (mb, loc_serialized_data);
3706 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
3707 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
3708 mono_mb_emit_stloc (mb, loc_array);
3710 /* Copy back output parameters and return type */
3713 for (i = 0; i < sig->param_count; i++) {
3714 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE) continue;
3715 if (sig->params[i]->byref) {
3716 MonoClass *pclass = mono_class_from_mono_type (sig->params [i]);
3717 mono_mb_emit_ldarg (mb, i + 1);
3718 mono_mb_emit_ldloc (mb, loc_array);
3719 mono_mb_emit_icon (mb, j);
3720 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3721 if (pclass->valuetype) {
3722 mono_mb_emit_op (mb, CEE_UNBOX, pclass);
3723 mono_mb_emit_op (mb, CEE_LDOBJ, pclass);
3724 mono_mb_emit_op (mb, CEE_STOBJ, pclass);
3726 if (pclass != mono_defaults.object_class)
3727 mono_mb_emit_op (mb, CEE_CASTCLASS, pclass);
3728 mono_mb_emit_byte (mb, CEE_STIND_REF);
3734 if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
3735 mono_mb_emit_ldloc (mb, loc_array);
3736 mono_mb_emit_icon (mb, complex_count);
3737 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3738 if (ret_class->valuetype) {
3739 mono_mb_emit_op (mb, CEE_UNBOX, ret_class);
3740 mono_mb_emit_op (mb, CEE_LDOBJ, ret_class);
3743 } else if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
3744 mono_mb_emit_ldloc (mb, loc_serialized_data);
3745 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
3746 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
3747 if (ret_class->valuetype) {
3748 mono_mb_emit_op (mb, CEE_UNBOX, ret_class);
3749 mono_mb_emit_op (mb, CEE_LDOBJ, ret_class);
3750 } else if (ret_class != mono_defaults.object_class) {
3751 mono_mb_emit_op (mb, CEE_CASTCLASS, ret_class);
3754 mono_mb_emit_ldloc (mb, loc_serialized_data);
3755 mono_mb_emit_byte (mb, CEE_DUP);
3756 pos = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
3757 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
3759 mono_mb_patch_short_branch (mb, pos);
3760 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
3761 mono_mb_emit_byte (mb, CEE_POP);
3765 mono_mb_emit_ldloc (mb, loc_return);
3766 if (ret_marshal_type == MONO_MARSHAL_COPY)
3767 mono_marshal_emit_xdomain_copy_value (mb, ret_class);
3770 mono_mb_emit_byte (mb, CEE_RET);
3772 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16);
3779 mono_marshal_get_remoting_invoke_for_target (MonoMethod *method, MonoRemotingTarget target_type)
3781 if (target_type == MONO_REMOTING_TARGET_APPDOMAIN) {
3782 return mono_marshal_get_xappdomain_invoke (method);
3783 } else if (target_type == MONO_REMOTING_TARGET_COMINTEROP) {
3785 return mono_cominterop_get_invoke (method);
3787 g_assert_not_reached ();
3790 return mono_marshal_get_remoting_invoke (method);
3796 G_GNUC_UNUSED static gpointer
3797 mono_marshal_load_remoting_wrapper (MonoRealProxy *rp, MonoMethod *method)
3799 if (rp->target_domain_id != -1)
3800 return mono_compile_method (mono_marshal_get_xappdomain_invoke (method));
3802 return mono_compile_method (mono_marshal_get_remoting_invoke (method));
3806 mono_marshal_get_remoting_invoke_with_check (MonoMethod *method)
3808 MonoMethodSignature *sig;
3809 MonoMethodBuilder *mb;
3810 MonoMethod *res, *native;
3811 int i, pos, pos_rem;
3815 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK)
3818 /* we cant remote methods without this pointer */
3819 g_assert (mono_method_signature (method)->hasthis);
3821 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK)))
3824 sig = mono_signature_no_pinvoke (method);
3826 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK);
3828 for (i = 0; i <= sig->param_count; i++)
3829 mono_mb_emit_ldarg (mb, i);
3831 mono_mb_emit_ldarg (mb, 0);
3832 pos = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
3834 if (mono_marshal_supports_fast_xdomain (method)) {
3835 mono_mb_emit_ldarg (mb, 0);
3836 pos_rem = mono_mb_emit_xdomain_check (mb, CEE_BEQ);
3838 /* wrapper for cross app domain calls */
3839 native = mono_marshal_get_xappdomain_invoke (method);
3840 mono_mb_emit_managed_call (mb, native, mono_method_signature (native));
3841 mono_mb_emit_byte (mb, CEE_RET);
3843 mono_mb_patch_branch (mb, pos_rem);
3845 /* wrapper for normal remote calls */
3846 native = mono_marshal_get_remoting_invoke (method);
3847 mono_mb_emit_managed_call (mb, native, mono_method_signature (native));
3848 mono_mb_emit_byte (mb, CEE_RET);
3851 mono_mb_patch_branch (mb, pos);
3852 mono_mb_emit_managed_call (mb, method, mono_method_signature (method));
3853 mono_mb_emit_byte (mb, CEE_RET);
3855 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16);
3863 MonoMethodSignature *sig;
3865 } SignatureMethodPair;
3868 signature_method_pair_hash (gconstpointer data)
3870 SignatureMethodPair *pair = (SignatureMethodPair*)data;
3872 return mono_signature_hash (pair->sig) ^ mono_aligned_addr_hash (pair->method);
3876 signature_method_pair_equal (SignatureMethodPair *pair1, SignatureMethodPair *pair2)
3878 return mono_metadata_signature_equal (pair1->sig, pair2->sig) && (pair1->method == pair2->method);
3882 signature_method_pair_matches_method (gpointer key, gpointer value, gpointer user_data)
3884 SignatureMethodPair *pair = (SignatureMethodPair*)key;
3885 MonoMethod *method = (MonoMethod*)user_data;
3887 return pair->method == method;
3891 free_signature_method_pair (SignatureMethodPair *pair)
3897 * the returned method invokes all methods in a multicast delegate.
3900 mono_marshal_get_delegate_invoke (MonoMethod *method, MonoDelegate *del)
3902 MonoMethodSignature *sig, *static_sig, *invoke_sig;
3904 MonoMethodBuilder *mb;
3905 MonoMethod *res, *newm;
3907 SignatureMethodPair key;
3908 SignatureMethodPair *new_key;
3909 int local_prev, local_target;
3912 MonoMethod *target_method = NULL;
3913 MonoClass *target_class = NULL;
3914 gboolean callvirt = FALSE;
3915 gboolean closed_over_null = FALSE;
3916 gboolean static_method_with_first_arg_bound = FALSE;
3917 MonoGenericContext *ctx = NULL;
3918 MonoGenericContainer *container = NULL;
3919 MonoMethod *orig_method = NULL;
3922 * If the delegate target is null, and the target method is not static, a virtual
3923 * call is made to that method with the first delegate argument as this. This is
3924 * a non-documented .NET feature.
3926 if (del && !del->target && del->method && mono_method_signature (del->method)->hasthis) {
3928 target_method = del->method;
3929 if (target_method->is_inflated) {
3930 MonoType *target_type;
3932 g_assert (method->signature->hasthis);
3933 target_type = mono_class_inflate_generic_type (method->signature->params [0],
3934 mono_method_get_context (method));
3935 target_class = mono_class_from_mono_type (target_type);
3937 target_class = del->method->klass;
3941 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
3942 !strcmp (method->name, "Invoke"));
3944 invoke_sig = sig = mono_signature_no_pinvoke (method);
3947 closed_over_null = sig->param_count == mono_method_signature (del->method)->param_count;
3949 if (del && del->method && mono_method_signature (del->method)->param_count == sig->param_count + 1 && (del->method->flags & METHOD_ATTRIBUTE_STATIC)) {
3950 invoke_sig = mono_method_signature (del->method);
3951 target_method = del->method;
3952 static_method_with_first_arg_bound = TRUE;
3956 * For generic delegates, create a generic wrapper, and returns an instance to help AOT.
3958 if (method->is_inflated && !callvirt && !static_method_with_first_arg_bound) {
3959 orig_method = method;
3960 ctx = &((MonoMethodInflated*)method)->context;
3961 method = ((MonoMethodInflated*)method)->declaring;
3963 container = mono_method_get_generic_container (method);
3965 container = method->klass->generic_container;
3966 g_assert (container);
3968 invoke_sig = sig = mono_signature_no_pinvoke (method);
3975 MonoMethod *def, *inst;
3978 * Look for the instance
3980 cache = get_cache (&method->klass->image->delegate_invoke_generic_cache, mono_aligned_addr_hash, NULL);
3981 res = mono_marshal_find_in_cache (cache, orig_method->klass);
3986 * Look for the definition
3988 def = mono_marshal_find_in_cache (cache, method->klass);
3990 inst = mono_class_inflate_generic_method (def, ctx);
3992 mono_memory_barrier ();
3993 mono_marshal_lock ();
3994 res = g_hash_table_lookup (cache, orig_method->klass);
3996 g_hash_table_insert (cache, orig_method->klass, inst);
3999 mono_marshal_unlock ();
4002 } else if (callvirt || static_method_with_first_arg_bound) {
4003 GHashTable **cache_ptr;
4004 if (static_method_with_first_arg_bound)
4005 cache_ptr = &method->klass->image->delegate_bound_static_invoke_cache;
4007 cache_ptr = &method->klass->image->delegate_abstract_invoke_cache;
4009 /* We need to cache the signature+method pair */
4010 mono_marshal_lock ();
4012 *cache_ptr = g_hash_table_new_full (signature_method_pair_hash, (GEqualFunc)signature_method_pair_equal, (GDestroyNotify)free_signature_method_pair, NULL);
4014 key.sig = invoke_sig;
4015 key.method = target_method;
4016 res = g_hash_table_lookup (cache, &key);
4017 mono_marshal_unlock ();
4021 cache = get_cache (&method->klass->image->delegate_invoke_cache,
4022 (GHashFunc)mono_signature_hash,
4023 (GCompareFunc)mono_metadata_signature_equal);
4024 res = mono_marshal_find_in_cache (cache, sig);
4029 static_sig = signature_dup (method->klass->image, sig);
4030 static_sig->hasthis = 0;
4031 if (!static_method_with_first_arg_bound)
4032 invoke_sig = static_sig;
4034 name = mono_signature_to_name (sig, "invoke");
4036 mb = mono_mb_new (method->klass, name, MONO_WRAPPER_DELEGATE_INVOKE);
4038 mb = mono_mb_new (get_wrapper_target_class (method->klass->image), name, MONO_WRAPPER_DELEGATE_INVOKE);
4041 /* allocate local 0 (object) */
4042 local_target = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4043 local_prev = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4045 g_assert (sig->hasthis);
4049 * prev.Invoke( args .. );
4050 * return this.<target>( args .. );
4053 /* this wrapper can be used in unmanaged-managed transitions */
4054 emit_thread_interrupt_checkpoint (mb);
4056 /* get this->prev */
4057 mono_mb_emit_ldarg (mb, 0);
4058 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoMulticastDelegate, prev));
4059 mono_mb_emit_byte (mb, CEE_LDIND_REF);
4060 mono_mb_emit_stloc (mb, local_prev);
4061 mono_mb_emit_ldloc (mb, local_prev);
4063 /* if prev != null */
4064 pos0 = mono_mb_emit_branch (mb, CEE_BRFALSE);
4068 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4069 mono_mb_emit_byte (mb, CEE_MONO_NOT_TAKEN);
4071 mono_mb_emit_ldloc (mb, local_prev);
4072 for (i = 0; i < sig->param_count; i++)
4073 mono_mb_emit_ldarg (mb, i + 1);
4075 mono_mb_emit_op (mb, CEE_CALLVIRT, mono_class_inflate_generic_method (method, &container->context));
4077 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
4078 if (sig->ret->type != MONO_TYPE_VOID)
4079 mono_mb_emit_byte (mb, CEE_POP);
4081 /* continued or prev == null */
4082 mono_mb_patch_branch (mb, pos0);
4084 /* get this->target */
4085 mono_mb_emit_ldarg (mb, 0);
4086 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, target));
4087 mono_mb_emit_byte (mb, CEE_LDIND_REF);
4088 mono_mb_emit_stloc (mb, local_target);
4090 /*static methods with bound first arg can have null target and still be bound*/
4091 if (!static_method_with_first_arg_bound) {
4092 /* if target != null */
4093 mono_mb_emit_ldloc (mb, local_target);
4094 pos0 = mono_mb_emit_branch (mb, CEE_BRFALSE);
4096 /* then call this->method_ptr nonstatic */
4099 mono_mb_emit_exception_full (mb, "System", "NotImplementedException", "");
4101 mono_mb_emit_ldloc (mb, local_target);
4102 for (i = 0; i < sig->param_count; ++i)
4103 mono_mb_emit_ldarg (mb, i + 1);
4104 mono_mb_emit_ldarg (mb, 0);
4105 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, method_ptr));
4106 mono_mb_emit_byte (mb, CEE_LDIND_I );
4107 mono_mb_emit_op (mb, CEE_CALLI, sig);
4109 mono_mb_emit_byte (mb, CEE_RET);
4112 /* else [target == null] call this->method_ptr static */
4113 mono_mb_patch_branch (mb, pos0);
4117 if (!closed_over_null) {
4118 mono_mb_emit_ldarg (mb, 1);
4119 mono_mb_emit_op (mb, CEE_CASTCLASS, target_class);
4120 for (i = 1; i < sig->param_count; ++i)
4121 mono_mb_emit_ldarg (mb, i + 1);
4122 mono_mb_emit_op (mb, CEE_CALLVIRT, target_method);
4124 mono_mb_emit_byte (mb, CEE_LDNULL);
4125 for (i = 0; i < sig->param_count; ++i)
4126 mono_mb_emit_ldarg (mb, i + 1);
4127 mono_mb_emit_op (mb, CEE_CALL, target_method);
4130 if (static_method_with_first_arg_bound) {
4131 mono_mb_emit_ldloc (mb, local_target);
4132 if (!MONO_TYPE_IS_REFERENCE (invoke_sig->params[0]))
4133 mono_mb_emit_op (mb, CEE_UNBOX_ANY, mono_class_from_mono_type (invoke_sig->params[0]));
4135 for (i = 0; i < sig->param_count; ++i)
4136 mono_mb_emit_ldarg (mb, i + 1);
4137 mono_mb_emit_ldarg (mb, 0);
4138 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, method_ptr));
4139 mono_mb_emit_byte (mb, CEE_LDIND_I );
4140 mono_mb_emit_op (mb, CEE_CALLI, invoke_sig);
4143 mono_mb_emit_byte (mb, CEE_RET);
4145 mb->skip_visibility = 1;
4148 MonoMethod *def, *inst;
4151 * We use the same cache for the generic definition and the instances.
4153 def = mono_mb_create_and_cache (cache, method->klass, mb, sig, sig->param_count + 16);
4155 inst = mono_class_inflate_generic_method (def, ctx);
4156 mono_memory_barrier ();
4157 mono_marshal_lock ();
4158 res = g_hash_table_lookup (cache, orig_method->klass);
4160 g_hash_table_insert (cache, orig_method->klass, inst);
4163 mono_marshal_unlock ();
4164 } else if (static_method_with_first_arg_bound || callvirt) {
4165 // From mono_mb_create_and_cache
4166 newm = mono_mb_create_method (mb, sig, sig->param_count + 16);
4167 /*We perform double checked locking, so must fence before publishing*/
4168 mono_memory_barrier ();
4169 mono_marshal_lock ();
4170 res = g_hash_table_lookup (cache, &key);
4173 new_key = g_new0 (SignatureMethodPair, 1);
4175 if (static_method_with_first_arg_bound)
4176 new_key->sig = signature_dup (del->method->klass->image, key.sig);
4177 g_hash_table_insert (cache, new_key, res);
4178 mono_marshal_set_wrapper_info (res, new_key);
4179 mono_marshal_unlock ();
4181 mono_marshal_unlock ();
4182 mono_free_method (newm);
4185 res = mono_mb_create_and_cache (cache, sig, mb, sig, sig->param_count + 16);
4193 * signature_dup_add_this:
4195 * Make a copy of @sig, adding an explicit this argument.
4197 static MonoMethodSignature*
4198 signature_dup_add_this (MonoImage *image, MonoMethodSignature *sig, MonoClass *klass)
4200 MonoMethodSignature *res;
4203 res = mono_metadata_signature_alloc (image, sig->param_count + 1);
4204 memcpy (res, sig, MONO_SIZEOF_METHOD_SIGNATURE);
4205 res->param_count = sig->param_count + 1;
4206 res->hasthis = FALSE;
4207 for (i = sig->param_count - 1; i >= 0; i --)
4208 res->params [i + 1] = sig->params [i];
4209 res->params [0] = klass->valuetype ? &klass->this_arg : &klass->byval_arg;
4215 MonoMethodSignature *ctor_sig;
4216 MonoMethodSignature *sig;
4219 /* protected by the marshal lock, contains CtorSigPair pointers */
4220 static GSList *strsig_list = NULL;
4222 static MonoMethodSignature *
4223 lookup_string_ctor_signature (MonoMethodSignature *sig)
4225 MonoMethodSignature *callsig;
4229 mono_marshal_lock ();
4231 for (item = strsig_list; item; item = item->next) {
4233 /* mono_metadata_signature_equal () is safe to call with the marshal lock
4234 * because it is lock-free.
4236 if (mono_metadata_signature_equal (sig, cs->ctor_sig)) {
4241 mono_marshal_unlock ();
4245 static MonoMethodSignature *
4246 add_string_ctor_signature (MonoMethod *method)
4248 MonoMethodSignature *callsig;
4251 callsig = signature_dup (method->klass->image, mono_method_signature (method));
4252 callsig->ret = &mono_defaults.string_class->byval_arg;
4253 cs = g_new (CtorSigPair, 1);
4255 cs->ctor_sig = mono_method_signature (method);
4257 mono_marshal_lock ();
4258 strsig_list = g_slist_prepend (strsig_list, cs);
4259 mono_marshal_unlock ();
4264 * mono_marshal_get_string_ctor_signature:
4266 * Return the modified signature used by string ctors (they return the newly created
4269 MonoMethodSignature*
4270 mono_marshal_get_string_ctor_signature (MonoMethod *method)
4272 MonoMethodSignature *sig = lookup_string_ctor_signature (mono_method_signature (method));
4274 sig = add_string_ctor_signature (method);
4280 get_runtime_invoke_type (MonoType *t, gboolean ret)
4283 /* Can't share this with 'I' as that needs another indirection */
4286 if (MONO_TYPE_IS_REFERENCE (t))
4287 return &mono_defaults.object_class->byval_arg;
4290 /* The result needs to be boxed */
4296 return &mono_defaults.sbyte_class->byval_arg;
4298 return &mono_defaults.int16_class->byval_arg;
4300 return &mono_defaults.int32_class->byval_arg;
4302 return &mono_defaults.int64_class->byval_arg;
4303 case MONO_TYPE_BOOLEAN:
4304 return &mono_defaults.sbyte_class->byval_arg;
4305 case MONO_TYPE_CHAR:
4306 return &mono_defaults.int16_class->byval_arg;
4309 return &mono_defaults.int_class->byval_arg;
4310 case MONO_TYPE_VALUETYPE:
4311 if (t->data.klass->enumtype) {
4312 t = mono_class_enum_basetype (t->data.klass);
4322 * mono_marshal_get_runtime_invoke_sig:
4324 * Return a common signature used for sharing runtime invoke wrappers.
4326 static MonoMethodSignature*
4327 mono_marshal_get_runtime_invoke_sig (MonoMethodSignature *sig)
4329 MonoMethodSignature *res = mono_metadata_signature_dup (sig);
4332 res->ret = get_runtime_invoke_type (sig->ret, TRUE);
4333 for (i = 0; i < res->param_count; ++i)
4334 res->params [i] = get_runtime_invoke_type (sig->params [i], FALSE);
4340 runtime_invoke_signature_equal (MonoMethodSignature *sig1, MonoMethodSignature *sig2)
4342 /* Can't share wrappers which return a vtype since it needs to be boxed */
4343 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))
4346 return mono_metadata_signature_equal (sig1, sig2);
4352 * Emit the call to the wrapper method from a runtime invoke wrapper.
4355 emit_invoke_call (MonoMethodBuilder *mb, MonoMethod *method,
4356 MonoMethodSignature *sig, MonoMethodSignature *callsig,
4358 gboolean virtual, gboolean need_direct_wrapper)
4360 static MonoString *string_dummy = NULL;
4362 int *tmp_nullable_locals;
4363 gboolean void_ret = FALSE;
4365 /* to make it work with our special string constructors */
4366 if (!string_dummy) {
4367 MONO_GC_REGISTER_ROOT_SINGLE (string_dummy);
4368 string_dummy = mono_string_new_wrapper ("dummy");
4372 g_assert (sig->hasthis);
4373 g_assert (method->flags & METHOD_ATTRIBUTE_VIRTUAL);
4377 if (method->string_ctor) {
4378 mono_mb_emit_ptr (mb, string_dummy);
4380 mono_mb_emit_ldarg (mb, 0);
4384 tmp_nullable_locals = g_new0 (int, sig->param_count);
4386 for (i = 0; i < sig->param_count; i++) {
4387 MonoType *t = sig->params [i];
4390 mono_mb_emit_ldarg (mb, 1);
4392 mono_mb_emit_icon (mb, sizeof (gpointer) * i);
4393 mono_mb_emit_byte (mb, CEE_ADD);
4397 mono_mb_emit_byte (mb, CEE_LDIND_I);
4398 /* A Nullable<T> type don't have a boxed form, it's either null or a boxed T.
4399 * So to make this work we unbox it to a local variablee and push a reference to that.
4401 if (t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t))) {
4402 tmp_nullable_locals [i] = mono_mb_add_local (mb, &mono_class_from_mono_type (t)->byval_arg);
4404 mono_mb_emit_op (mb, CEE_UNBOX_ANY, mono_class_from_mono_type (t));
4405 mono_mb_emit_stloc (mb, tmp_nullable_locals [i]);
4406 mono_mb_emit_ldloc_addr (mb, tmp_nullable_locals [i]);
4411 /*FIXME 'this doesn't handle generic enums. Shouldn't we?*/
4412 type = sig->params [i]->type;
4416 case MONO_TYPE_BOOLEAN:
4420 case MONO_TYPE_CHAR:
4429 mono_mb_emit_byte (mb, CEE_LDIND_I);
4430 mono_mb_emit_byte (mb, mono_type_to_ldind (sig->params [i]));
4432 case MONO_TYPE_STRING:
4433 case MONO_TYPE_CLASS:
4434 case MONO_TYPE_ARRAY:
4436 case MONO_TYPE_SZARRAY:
4437 case MONO_TYPE_OBJECT:
4438 mono_mb_emit_byte (mb, mono_type_to_ldind (sig->params [i]));
4440 case MONO_TYPE_GENERICINST:
4441 if (!mono_type_generic_inst_is_valuetype (sig->params [i])) {
4442 mono_mb_emit_byte (mb, mono_type_to_ldind (sig->params [i]));
4447 case MONO_TYPE_VALUETYPE:
4448 if (type == MONO_TYPE_VALUETYPE && t->data.klass->enumtype) {
4449 type = mono_class_enum_basetype (t->data.klass)->type;
4452 mono_mb_emit_byte (mb, CEE_LDIND_I);
4453 if (mono_class_is_nullable (mono_class_from_mono_type (sig->params [i]))) {
4454 /* Need to convert a boxed vtype to an mp to a Nullable struct */
4455 mono_mb_emit_op (mb, CEE_UNBOX, mono_class_from_mono_type (sig->params [i]));
4456 mono_mb_emit_op (mb, CEE_LDOBJ, mono_class_from_mono_type (sig->params [i]));
4458 mono_mb_emit_op (mb, CEE_LDOBJ, mono_class_from_mono_type (sig->params [i]));
4462 g_assert_not_reached ();
4467 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
4468 } else if (need_direct_wrapper) {
4469 mono_mb_emit_op (mb, CEE_CALL, method);
4471 mono_mb_emit_ldarg (mb, 3);
4472 mono_mb_emit_calli (mb, callsig);
4475 if (sig->ret->byref) {
4477 g_assert_not_reached ();
4480 switch (sig->ret->type) {
4481 case MONO_TYPE_VOID:
4482 if (!method->string_ctor)
4485 case MONO_TYPE_BOOLEAN:
4486 case MONO_TYPE_CHAR:
4499 case MONO_TYPE_VALUETYPE:
4500 case MONO_TYPE_TYPEDBYREF:
4501 case MONO_TYPE_GENERICINST:
4502 /* box value types */
4503 mono_mb_emit_op (mb, CEE_BOX, mono_class_from_mono_type (sig->ret));
4505 case MONO_TYPE_STRING:
4506 case MONO_TYPE_CLASS:
4507 case MONO_TYPE_ARRAY:
4508 case MONO_TYPE_SZARRAY:
4509 case MONO_TYPE_OBJECT:
4513 /* The result is an IntPtr */
4514 mono_mb_emit_op (mb, CEE_BOX, mono_defaults.int_class);
4517 g_assert_not_reached ();
4521 mono_mb_emit_stloc (mb, loc_res);
4523 /* Convert back nullable-byref arguments */
4524 for (i = 0; i < sig->param_count; i++) {
4525 MonoType *t = sig->params [i];
4528 * Box the result and put it back into the array, the caller will have
4529 * to obtain it from there.
4531 if (t->byref && t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t))) {
4532 mono_mb_emit_ldarg (mb, 1);
4533 mono_mb_emit_icon (mb, sizeof (gpointer) * i);
4534 mono_mb_emit_byte (mb, CEE_ADD);
4536 mono_mb_emit_ldloc (mb, tmp_nullable_locals [i]);
4537 mono_mb_emit_op (mb, CEE_BOX, mono_class_from_mono_type (t));
4539 mono_mb_emit_byte (mb, CEE_STIND_REF);
4543 g_free (tmp_nullable_locals);
4547 emit_runtime_invoke_body (MonoMethodBuilder *mb, MonoClass *target_klass, MonoMethod *method,
4548 MonoMethodSignature *sig, MonoMethodSignature *callsig,
4549 gboolean virtual, gboolean need_direct_wrapper)
4552 MonoExceptionClause *clause;
4553 int loc_res, loc_exc;
4555 /* The wrapper looks like this:
4561 * } catch (Exception e) {
4569 /* allocate local 0 (object) tmp */
4570 loc_res = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4571 /* allocate local 1 (object) exc */
4572 loc_exc = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4574 /* *exc is assumed to be initialized to NULL by the caller */
4576 mono_mb_emit_byte (mb, CEE_LDARG_2);
4577 labels [0] = mono_mb_emit_branch (mb, CEE_BRFALSE);
4582 labels [1] = mono_mb_get_label (mb);
4583 emit_thread_force_interrupt_checkpoint (mb);
4584 emit_invoke_call (mb, method, sig, callsig, loc_res, virtual, need_direct_wrapper);
4586 labels [2] = mono_mb_emit_branch (mb, CEE_LEAVE);
4588 /* Add a try clause around the call */
4589 clause = mono_image_alloc0 (target_klass->image, sizeof (MonoExceptionClause));
4590 clause->flags = MONO_EXCEPTION_CLAUSE_NONE;
4591 clause->data.catch_class = mono_defaults.exception_class;
4592 clause->try_offset = labels [1];
4593 clause->try_len = mono_mb_get_label (mb) - labels [1];
4595 clause->handler_offset = mono_mb_get_label (mb);
4598 mono_mb_emit_stloc (mb, loc_exc);
4599 mono_mb_emit_byte (mb, CEE_LDARG_2);
4600 mono_mb_emit_ldloc (mb, loc_exc);
4601 mono_mb_emit_byte (mb, CEE_STIND_REF);
4603 mono_mb_emit_branch (mb, CEE_LEAVE);
4605 clause->handler_len = mono_mb_get_pos (mb) - clause->handler_offset;
4607 mono_mb_set_clauses (mb, 1, clause);
4609 mono_mb_patch_branch (mb, labels [2]);
4610 mono_mb_emit_ldloc (mb, loc_res);
4611 mono_mb_emit_byte (mb, CEE_RET);
4616 mono_mb_patch_branch (mb, labels [0]);
4617 emit_thread_force_interrupt_checkpoint (mb);
4618 emit_invoke_call (mb, method, sig, callsig, loc_res, virtual, need_direct_wrapper);
4620 mono_mb_emit_ldloc (mb, 0);
4621 mono_mb_emit_byte (mb, CEE_RET);
4625 * generates IL code for the runtime invoke function
4626 * MonoObject *runtime_invoke (MonoObject *this, void **params, MonoObject **exc, void* method)
4628 * we also catch exceptions if exc != null
4629 * If VIRTUAL is TRUE, then METHOD is invoked virtually on THIS. This is useful since
4630 * it means that the compiled code for METHOD does not have to be looked up
4631 * before calling the runtime invoke wrapper. In this case, the wrapper ignores
4632 * its METHOD argument.
4635 mono_marshal_get_runtime_invoke (MonoMethod *method, gboolean virtual)
4637 MonoMethodSignature *sig, *csig, *callsig;
4638 MonoMethodBuilder *mb;
4639 GHashTable *cache = NULL;
4640 MonoClass *target_klass;
4641 MonoMethod *res = NULL;
4642 static MonoMethodSignature *cctor_signature = NULL;
4643 static MonoMethodSignature *finalize_signature = NULL;
4645 const char *param_names [16];
4646 gboolean need_direct_wrapper = FALSE;
4651 if (!cctor_signature) {
4652 cctor_signature = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
4653 cctor_signature->ret = &mono_defaults.void_class->byval_arg;
4655 if (!finalize_signature) {
4656 finalize_signature = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
4657 finalize_signature->ret = &mono_defaults.void_class->byval_arg;
4658 finalize_signature->hasthis = 1;
4662 need_direct_wrapper = TRUE;
4665 * Use a separate cache indexed by methods to speed things up and to avoid the
4666 * boundless mempool growth caused by the signature_dup stuff below.
4669 cache = get_cache (&method->klass->image->runtime_invoke_vcall_cache, mono_aligned_addr_hash, NULL);
4671 cache = get_cache (&method->klass->image->runtime_invoke_direct_cache, mono_aligned_addr_hash, NULL);
4672 res = mono_marshal_find_in_cache (cache, method);
4676 if (method->klass->rank && (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
4677 (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)) {
4679 * Array Get/Set/Address methods. The JIT implements them using inline code
4680 * so we need to create an invoke wrapper which calls the method directly.
4682 need_direct_wrapper = TRUE;
4685 if (method->string_ctor) {
4686 callsig = lookup_string_ctor_signature (mono_method_signature (method));
4688 callsig = add_string_ctor_signature (method);
4689 /* Can't share this as we push a string as this */
4690 need_direct_wrapper = TRUE;
4692 if (method->klass->valuetype && mono_method_signature (method)->hasthis) {
4694 * Valuetype methods receive a managed pointer as the this argument.
4695 * Create a new signature to reflect this.
4697 callsig = signature_dup_add_this (method->klass->image, mono_method_signature (method), method->klass);
4698 /* Can't share this as it would be shared with static methods taking an IntPtr argument */
4699 need_direct_wrapper = TRUE;
4701 if (method->dynamic)
4702 callsig = signature_dup (method->klass->image, mono_method_signature (method));
4704 callsig = mono_method_signature (method);
4708 target_klass = get_wrapper_target_class (method->klass->image);
4710 /* Try to share wrappers for non-corlib methods with simple signatures */
4711 if (mono_metadata_signature_equal (callsig, cctor_signature)) {
4712 callsig = cctor_signature;
4713 target_klass = mono_defaults.object_class;
4714 } else if (mono_metadata_signature_equal (callsig, finalize_signature)) {
4715 callsig = finalize_signature;
4716 target_klass = mono_defaults.object_class;
4719 if (need_direct_wrapper) {
4720 /* Already searched at the start */
4722 MonoMethodSignature *tmp_sig;
4724 callsig = mono_marshal_get_runtime_invoke_sig (callsig);
4726 cache = get_cache (&target_klass->image->runtime_invoke_cache,
4727 (GHashFunc)mono_signature_hash,
4728 (GCompareFunc)runtime_invoke_signature_equal);
4730 /* from mono_marshal_find_in_cache */
4731 mono_marshal_lock ();
4732 res = g_hash_table_lookup (cache, callsig);
4733 mono_marshal_unlock ();
4740 /* Make a copy of the signature from the image mempool */
4742 callsig = mono_metadata_signature_dup_full (target_klass->image, callsig);
4746 sig = mono_method_signature (method);
4748 csig = mono_metadata_signature_alloc (target_klass->image, 4);
4750 csig->ret = &mono_defaults.object_class->byval_arg;
4751 if (method->klass->valuetype && mono_method_signature (method)->hasthis)
4752 csig->params [0] = callsig->params [0];
4754 csig->params [0] = &mono_defaults.object_class->byval_arg;
4755 csig->params [1] = &mono_defaults.int_class->byval_arg;
4756 csig->params [2] = &mono_defaults.int_class->byval_arg;
4757 csig->params [3] = &mono_defaults.int_class->byval_arg;
4760 /* This is called from runtime code so it has to be cdecl */
4761 csig->call_convention = MONO_CALL_C;
4764 name = mono_signature_to_name (callsig, virtual ? "runtime_invoke_virtual" : "runtime_invoke");
4765 mb = mono_mb_new (target_klass, name, MONO_WRAPPER_RUNTIME_INVOKE);
4768 param_names [0] = "this";
4769 param_names [1] = "params";
4770 param_names [2] = "exc";
4771 param_names [3] = "method";
4772 mono_mb_set_param_names (mb, param_names);
4774 emit_runtime_invoke_body (mb, target_klass, method, sig, callsig, virtual, need_direct_wrapper);
4776 if (need_direct_wrapper) {
4777 mb->skip_visibility = 1;
4778 res = mono_mb_create_and_cache (cache, method, mb, csig, sig->param_count + 16);
4779 info = mono_wrapper_info_create (res, virtual ? WRAPPER_SUBTYPE_RUNTIME_INVOKE_VIRTUAL : WRAPPER_SUBTYPE_RUNTIME_INVOKE_DIRECT);
4780 info->d.runtime_invoke.method = method;
4781 mono_marshal_set_wrapper_info (res, info);
4783 /* taken from mono_mb_create_and_cache */
4784 mono_marshal_lock ();
4785 res = g_hash_table_lookup (cache, callsig);
4786 mono_marshal_unlock ();
4788 /* Somebody may have created it before us */
4791 newm = mono_mb_create_method (mb, csig, sig->param_count + 16);
4793 mono_marshal_lock ();
4794 res = g_hash_table_lookup (cache, callsig);
4797 g_hash_table_insert (cache, callsig, res);
4798 /* Can't insert it into wrapper_hash since the key is a signature */
4799 g_hash_table_insert (method->klass->image->runtime_invoke_direct_cache, method, res);
4801 mono_free_method (newm);
4803 mono_marshal_unlock ();
4806 /* end mono_mb_create_and_cache */
4815 * mono_marshal_get_runtime_invoke_dynamic:
4817 * Return a method which can be used to invoke managed methods from native code
4819 * The signature of the returned method is given by RuntimeInvokeDynamicFunction:
4820 * void runtime_invoke (void *args, MonoObject **exc, void *compiled_method)
4821 * ARGS should point to an architecture specific structure containing
4822 * the arguments and space for the return value.
4823 * The other arguments are the same as for runtime_invoke (), except that
4824 * ARGS should contain the this argument too.
4825 * This wrapper serves the same purpose as the runtime-invoke wrappers, but there
4826 * is only one copy of it, which is useful in full-aot.
4827 * The wrapper info for the wrapper is a WrapperInfo structure.
4830 mono_marshal_get_runtime_invoke_dynamic (void)
4832 static MonoMethod *method;
4833 MonoMethodSignature *csig;
4834 MonoExceptionClause *clause;
4835 MonoMethodBuilder *mb;
4843 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
4845 csig->ret = &mono_defaults.void_class->byval_arg;
4846 csig->params [0] = &mono_defaults.int_class->byval_arg;
4847 csig->params [1] = &mono_defaults.int_class->byval_arg;
4848 csig->params [2] = &mono_defaults.int_class->byval_arg;
4849 csig->params [3] = &mono_defaults.int_class->byval_arg;
4851 name = g_strdup ("runtime_invoke_dynamic");
4852 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_RUNTIME_INVOKE);
4855 /* allocate local 0 (object) tmp */
4856 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4857 /* allocate local 1 (object) exc */
4858 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4860 /* cond set *exc to null */
4861 mono_mb_emit_byte (mb, CEE_LDARG_1);
4862 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
4863 mono_mb_emit_byte (mb, 3);
4864 mono_mb_emit_byte (mb, CEE_LDARG_1);
4865 mono_mb_emit_byte (mb, CEE_LDNULL);
4866 mono_mb_emit_byte (mb, CEE_STIND_REF);
4868 emit_thread_force_interrupt_checkpoint (mb);
4870 mono_mb_emit_byte (mb, CEE_LDARG_0);
4871 mono_mb_emit_byte (mb, CEE_LDARG_2);
4872 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4873 mono_mb_emit_byte (mb, CEE_MONO_DYN_CALL);
4875 pos = mono_mb_emit_branch (mb, CEE_LEAVE);
4877 clause = mono_image_alloc0 (mono_defaults.corlib, sizeof (MonoExceptionClause));
4878 clause->flags = MONO_EXCEPTION_CLAUSE_FILTER;
4879 clause->try_len = mono_mb_get_label (mb);
4882 clause->data.filter_offset = mono_mb_get_label (mb);
4884 mono_mb_emit_byte (mb, CEE_POP);
4885 mono_mb_emit_byte (mb, CEE_LDARG_1);
4886 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
4887 mono_mb_emit_byte (mb, CEE_PREFIX1);
4888 mono_mb_emit_byte (mb, CEE_CGT_UN);
4889 mono_mb_emit_byte (mb, CEE_PREFIX1);
4890 mono_mb_emit_byte (mb, CEE_ENDFILTER);
4892 clause->handler_offset = mono_mb_get_label (mb);
4895 /* store exception */
4896 mono_mb_emit_stloc (mb, 1);
4898 mono_mb_emit_byte (mb, CEE_LDARG_1);
4899 mono_mb_emit_ldloc (mb, 1);
4900 mono_mb_emit_byte (mb, CEE_STIND_REF);
4902 mono_mb_emit_byte (mb, CEE_LDNULL);
4903 mono_mb_emit_stloc (mb, 0);
4905 /* Check for the abort exception */
4906 mono_mb_emit_ldloc (mb, 1);
4907 mono_mb_emit_op (mb, CEE_ISINST, mono_defaults.threadabortexception_class);
4908 posna = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
4910 /* Delay the abort exception */
4911 mono_mb_emit_icall (mb, ves_icall_System_Threading_Thread_ResetAbort);
4913 mono_mb_patch_short_branch (mb, posna);
4914 mono_mb_emit_branch (mb, CEE_LEAVE);
4916 clause->handler_len = mono_mb_get_pos (mb) - clause->handler_offset;
4918 mono_mb_set_clauses (mb, 1, clause);
4921 mono_mb_patch_branch (mb, pos);
4922 //mono_mb_emit_ldloc (mb, 0);
4923 mono_mb_emit_byte (mb, CEE_RET);
4925 mono_loader_lock ();
4926 /* double-checked locking */
4928 method = mono_mb_create_method (mb, csig, 16);
4929 info = mono_wrapper_info_create (method, WRAPPER_SUBTYPE_RUNTIME_INVOKE_DYNAMIC);
4930 mono_marshal_set_wrapper_info (method, info);
4932 mono_loader_unlock ();
4940 mono_mb_emit_auto_layout_exception (MonoMethodBuilder *mb, MonoClass *klass)
4942 char *msg = g_strdup_printf ("The type `%s.%s' layout needs to be Sequential or Explicit",
4943 klass->name_space, klass->name);
4945 mono_mb_emit_exception_marshal_directive (mb, msg);
4949 * mono_marshal_get_ldfld_remote_wrapper:
4950 * @klass: The return type
4952 * This method generates a wrapper for calling mono_load_remote_field_new.
4953 * The return type is ignored for now, as mono_load_remote_field_new () always
4954 * returns an object. In the future, to optimize some codepaths, we might
4955 * call a different function that takes a pointer to a valuetype, instead.
4958 mono_marshal_get_ldfld_remote_wrapper (MonoClass *klass)
4960 MonoMethodSignature *sig, *csig;
4961 MonoMethodBuilder *mb;
4963 static MonoMethod* cached = NULL;
4965 mono_marshal_lock ();
4967 mono_marshal_unlock ();
4970 mono_marshal_unlock ();
4972 mb = mono_mb_new_no_dup_name (mono_defaults.object_class, "__mono_load_remote_field_new_wrapper", MONO_WRAPPER_LDFLD_REMOTE);
4974 mb->method->save_lmf = 1;
4976 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
4977 sig->params [0] = &mono_defaults.object_class->byval_arg;
4978 sig->params [1] = &mono_defaults.int_class->byval_arg;
4979 sig->params [2] = &mono_defaults.int_class->byval_arg;
4980 sig->ret = &mono_defaults.object_class->byval_arg;
4982 mono_mb_emit_ldarg (mb, 0);
4983 mono_mb_emit_ldarg (mb, 1);
4984 mono_mb_emit_ldarg (mb, 2);
4986 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
4987 csig->params [0] = &mono_defaults.object_class->byval_arg;
4988 csig->params [1] = &mono_defaults.int_class->byval_arg;
4989 csig->params [2] = &mono_defaults.int_class->byval_arg;
4990 csig->ret = &mono_defaults.object_class->byval_arg;
4993 mono_mb_emit_native_call (mb, csig, mono_load_remote_field_new);
4994 emit_thread_interrupt_checkpoint (mb);
4996 mono_mb_emit_byte (mb, CEE_RET);
4998 mono_marshal_lock ();
5000 mono_marshal_unlock ();
5003 newm = mono_mb_create_method (mb, sig, 4);
5004 mono_marshal_lock ();
5009 mono_marshal_unlock ();
5011 mono_marshal_unlock ();
5012 mono_free_method (newm);
5021 * mono_marshal_get_ldfld_wrapper:
5022 * @type: the type of the field
5024 * This method generates a function which can be use to load a field with type
5025 * @type from an object. The generated function has the following signature:
5026 * <@type> ldfld_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset)
5029 mono_marshal_get_ldfld_wrapper (MonoType *type)
5031 MonoMethodSignature *sig;
5032 MonoMethodBuilder *mb;
5037 int t, pos0, pos1 = 0;
5039 type = mono_type_get_underlying_type (type);
5044 if (type->type == MONO_TYPE_SZARRAY) {
5045 klass = mono_defaults.array_class;
5046 } else if (type->type == MONO_TYPE_VALUETYPE) {
5047 klass = type->data.klass;
5048 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING) {
5049 klass = mono_defaults.object_class;
5050 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
5051 klass = mono_defaults.int_class;
5052 } else if (t == MONO_TYPE_GENERICINST) {
5053 if (mono_type_generic_inst_is_valuetype (type))
5054 klass = mono_class_from_mono_type (type);
5056 klass = mono_defaults.object_class;
5058 klass = mono_class_from_mono_type (type);
5061 klass = mono_defaults.int_class;
5064 cache = get_cache (&klass->image->ldfld_wrapper_cache, mono_aligned_addr_hash, NULL);
5065 if ((res = mono_marshal_find_in_cache (cache, klass)))
5068 /* we add the %p pointer value of klass because class names are not unique */
5069 name = g_strdup_printf ("__ldfld_wrapper_%p_%s.%s", klass, klass->name_space, klass->name);
5070 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_LDFLD);
5073 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
5074 sig->params [0] = &mono_defaults.object_class->byval_arg;
5075 sig->params [1] = &mono_defaults.int_class->byval_arg;
5076 sig->params [2] = &mono_defaults.int_class->byval_arg;
5077 sig->params [3] = &mono_defaults.int_class->byval_arg;
5078 sig->ret = &klass->byval_arg;
5080 mono_mb_emit_ldarg (mb, 0);
5081 pos0 = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
5083 mono_mb_emit_ldarg (mb, 0);
5084 mono_mb_emit_ldarg (mb, 1);
5085 mono_mb_emit_ldarg (mb, 2);
5087 mono_mb_emit_managed_call (mb, mono_marshal_get_ldfld_remote_wrapper (klass), NULL);
5090 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
5091 csig->params [0] = &mono_defaults.object_class->byval_arg;
5092 csig->params [1] = &mono_defaults.int_class->byval_arg;
5093 csig->params [2] = &mono_defaults.int_class->byval_arg;
5094 csig->ret = &klass->this_arg;
5097 mono_mb_emit_native_call (mb, csig, mono_load_remote_field_new);
5098 emit_thread_interrupt_checkpoint (mb);
5101 if (klass->valuetype) {
5102 mono_mb_emit_op (mb, CEE_UNBOX, klass);
5103 pos1 = mono_mb_emit_branch (mb, CEE_BR);
5105 mono_mb_emit_byte (mb, CEE_RET);
5109 mono_mb_patch_branch (mb, pos0);
5111 mono_mb_emit_ldarg (mb, 0);
5112 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5113 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
5114 mono_mb_emit_ldarg (mb, 3);
5115 mono_mb_emit_byte (mb, CEE_ADD);
5117 if (klass->valuetype)
5118 mono_mb_patch_branch (mb, pos1);
5123 case MONO_TYPE_BOOLEAN:
5124 case MONO_TYPE_CHAR:
5133 case MONO_TYPE_ARRAY:
5134 case MONO_TYPE_SZARRAY:
5135 case MONO_TYPE_OBJECT:
5136 case MONO_TYPE_CLASS:
5137 case MONO_TYPE_STRING:
5141 case MONO_TYPE_FNPTR:
5142 mono_mb_emit_byte (mb, mono_type_to_ldind (type));
5144 case MONO_TYPE_VALUETYPE:
5145 g_assert (!klass->enumtype);
5146 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
5148 case MONO_TYPE_GENERICINST:
5149 if (mono_type_generic_inst_is_valuetype (type)) {
5150 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
5152 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5156 g_warning ("type %x not implemented", type->type);
5157 g_assert_not_reached ();
5160 mono_mb_emit_byte (mb, CEE_RET);
5162 res = mono_mb_create_and_cache (cache, klass,
5163 mb, sig, sig->param_count + 16);
5170 * mono_marshal_get_ldflda_wrapper:
5171 * @type: the type of the field
5173 * This method generates a function which can be used to load a field address
5174 * from an object. The generated function has the following signature:
5175 * gpointer ldflda_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset);
5178 mono_marshal_get_ldflda_wrapper (MonoType *type)
5180 MonoMethodSignature *sig;
5181 MonoMethodBuilder *mb;
5186 int t, pos0, pos1, pos2, pos3;
5188 type = mono_type_get_underlying_type (type);
5192 if (type->type == MONO_TYPE_SZARRAY) {
5193 klass = mono_defaults.array_class;
5194 } else if (type->type == MONO_TYPE_VALUETYPE) {
5195 klass = type->data.klass;
5196 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING ||
5197 t == MONO_TYPE_CLASS) {
5198 klass = mono_defaults.object_class;
5199 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
5200 klass = mono_defaults.int_class;
5201 } else if (t == MONO_TYPE_GENERICINST) {
5202 if (mono_type_generic_inst_is_valuetype (type))
5203 klass = mono_class_from_mono_type (type);
5205 klass = mono_defaults.object_class;
5207 klass = mono_class_from_mono_type (type);
5210 klass = mono_defaults.int_class;
5213 cache = get_cache (&klass->image->ldflda_wrapper_cache, mono_aligned_addr_hash, NULL);
5214 if ((res = mono_marshal_find_in_cache (cache, klass)))
5217 /* we add the %p pointer value of klass because class names are not unique */
5218 name = g_strdup_printf ("__ldflda_wrapper_%p_%s.%s", klass, klass->name_space, klass->name);
5219 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_LDFLDA);
5222 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
5223 sig->params [0] = &mono_defaults.object_class->byval_arg;
5224 sig->params [1] = &mono_defaults.int_class->byval_arg;
5225 sig->params [2] = &mono_defaults.int_class->byval_arg;
5226 sig->params [3] = &mono_defaults.int_class->byval_arg;
5227 sig->ret = &mono_defaults.int_class->byval_arg;
5229 /* if typeof (this) != transparent_proxy goto pos0 */
5230 mono_mb_emit_ldarg (mb, 0);
5231 pos0 = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
5233 /* if same_appdomain goto pos1 */
5234 mono_mb_emit_ldarg (mb, 0);
5235 pos1 = mono_mb_emit_xdomain_check (mb, CEE_BEQ);
5237 mono_mb_emit_exception_full (mb, "System", "InvalidOperationException", "Attempt to load field address from object in another appdomain.");
5239 /* same app domain */
5240 mono_mb_patch_branch (mb, pos1);
5242 /* if typeof (this) != contextbound goto pos2 */
5243 mono_mb_emit_ldarg (mb, 0);
5244 pos2 = mono_mb_emit_contextbound_check (mb, CEE_BEQ);
5246 /* if this->rp->context == mono_context_get goto pos3 */
5247 mono_mb_emit_ldarg (mb, 0);
5248 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
5249 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5250 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoRealProxy, context));
5251 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5252 mono_mb_emit_icall (mb, mono_context_get);
5253 pos3 = mono_mb_emit_branch (mb, CEE_BEQ);
5255 mono_mb_emit_exception_full (mb, "System", "InvalidOperationException", "Attempt to load field address from object in another context.");
5257 mono_mb_patch_branch (mb, pos2);
5258 mono_mb_patch_branch (mb, pos3);
5260 /* return the address of the field from this->rp->unwrapped_server */
5261 mono_mb_emit_ldarg (mb, 0);
5262 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
5263 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5264 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoRealProxy, unwrapped_server));
5265 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5266 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5267 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
5268 mono_mb_emit_ldarg (mb, 3);
5269 mono_mb_emit_byte (mb, CEE_ADD);
5270 mono_mb_emit_byte (mb, CEE_RET);
5272 /* not a proxy: return the address of the field directly */
5273 mono_mb_patch_branch (mb, pos0);
5275 mono_mb_emit_ldarg (mb, 0);
5276 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5277 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
5278 mono_mb_emit_ldarg (mb, 3);
5279 mono_mb_emit_byte (mb, CEE_ADD);
5281 mono_mb_emit_byte (mb, CEE_RET);
5283 res = mono_mb_create_and_cache (cache, klass,
5284 mb, sig, sig->param_count + 16);
5291 * mono_marshal_get_stfld_remote_wrapper:
5292 * klass: The type of the field
5294 * This function generates a wrapper for calling mono_store_remote_field_new
5295 * with the appropriate signature.
5296 * Similarly to mono_marshal_get_ldfld_remote_wrapper () this doesn't depend on the
5297 * klass argument anymore.
5300 mono_marshal_get_stfld_remote_wrapper (MonoClass *klass)
5302 MonoMethodSignature *sig, *csig;
5303 MonoMethodBuilder *mb;
5305 static MonoMethod *cached = NULL;
5307 mono_marshal_lock ();
5309 mono_marshal_unlock ();
5312 mono_marshal_unlock ();
5314 mb = mono_mb_new_no_dup_name (mono_defaults.object_class, "__mono_store_remote_field_new_wrapper", MONO_WRAPPER_STFLD_REMOTE);
5316 mb->method->save_lmf = 1;
5318 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
5319 sig->params [0] = &mono_defaults.object_class->byval_arg;
5320 sig->params [1] = &mono_defaults.int_class->byval_arg;
5321 sig->params [2] = &mono_defaults.int_class->byval_arg;
5322 sig->params [3] = &mono_defaults.object_class->byval_arg;
5323 sig->ret = &mono_defaults.void_class->byval_arg;
5325 mono_mb_emit_ldarg (mb, 0);
5326 mono_mb_emit_ldarg (mb, 1);
5327 mono_mb_emit_ldarg (mb, 2);
5328 mono_mb_emit_ldarg (mb, 3);
5330 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
5331 csig->params [0] = &mono_defaults.object_class->byval_arg;
5332 csig->params [1] = &mono_defaults.int_class->byval_arg;
5333 csig->params [2] = &mono_defaults.int_class->byval_arg;
5334 csig->params [3] = &mono_defaults.object_class->byval_arg;
5335 csig->ret = &mono_defaults.void_class->byval_arg;
5338 mono_mb_emit_native_call (mb, csig, mono_store_remote_field_new);
5339 emit_thread_interrupt_checkpoint (mb);
5341 mono_mb_emit_byte (mb, CEE_RET);
5343 mono_marshal_lock ();
5345 mono_marshal_unlock ();
5348 newm = mono_mb_create_method (mb, sig, 6);
5349 mono_marshal_lock ();
5354 mono_marshal_unlock ();
5356 mono_marshal_unlock ();
5357 mono_free_method (newm);
5366 * mono_marshal_get_stfld_wrapper:
5367 * @type: the type of the field
5369 * This method generates a function which can be use to store a field with type
5370 * @type. The generated function has the following signature:
5371 * void stfld_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset, <@type> val)
5374 mono_marshal_get_stfld_wrapper (MonoType *type)
5376 MonoMethodSignature *sig;
5377 MonoMethodBuilder *mb;
5384 type = mono_type_get_underlying_type (type);
5388 if (type->type == MONO_TYPE_SZARRAY) {
5389 klass = mono_defaults.array_class;
5390 } else if (type->type == MONO_TYPE_VALUETYPE) {
5391 klass = type->data.klass;
5392 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING) {
5393 klass = mono_defaults.object_class;
5394 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
5395 klass = mono_defaults.int_class;
5396 } else if (t == MONO_TYPE_GENERICINST) {
5397 if (mono_type_generic_inst_is_valuetype (type))
5398 klass = mono_class_from_mono_type (type);
5400 klass = mono_defaults.object_class;
5402 klass = mono_class_from_mono_type (type);
5405 klass = mono_defaults.int_class;
5408 cache = get_cache (&klass->image->stfld_wrapper_cache, mono_aligned_addr_hash, NULL);
5409 if ((res = mono_marshal_find_in_cache (cache, klass)))
5412 /* we add the %p pointer value of klass because class names are not unique */
5413 name = g_strdup_printf ("__stfld_wrapper_%p_%s.%s", klass, klass->name_space, klass->name);
5414 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_STFLD);
5417 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 5);
5418 sig->params [0] = &mono_defaults.object_class->byval_arg;
5419 sig->params [1] = &mono_defaults.int_class->byval_arg;
5420 sig->params [2] = &mono_defaults.int_class->byval_arg;
5421 sig->params [3] = &mono_defaults.int_class->byval_arg;
5422 sig->params [4] = &klass->byval_arg;
5423 sig->ret = &mono_defaults.void_class->byval_arg;
5425 mono_mb_emit_ldarg (mb, 0);
5426 pos = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
5428 mono_mb_emit_ldarg (mb, 0);
5429 mono_mb_emit_ldarg (mb, 1);
5430 mono_mb_emit_ldarg (mb, 2);
5431 mono_mb_emit_ldarg (mb, 4);
5432 if (klass->valuetype)
5433 mono_mb_emit_op (mb, CEE_BOX, klass);
5435 mono_mb_emit_managed_call (mb, mono_marshal_get_stfld_remote_wrapper (klass), NULL);
5437 mono_mb_emit_byte (mb, CEE_RET);
5439 mono_mb_patch_branch (mb, pos);
5441 mono_mb_emit_ldarg (mb, 0);
5442 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5443 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
5444 mono_mb_emit_ldarg (mb, 3);
5445 mono_mb_emit_byte (mb, CEE_ADD);
5446 mono_mb_emit_ldarg (mb, 4);
5451 case MONO_TYPE_BOOLEAN:
5452 case MONO_TYPE_CHAR:
5461 case MONO_TYPE_ARRAY:
5462 case MONO_TYPE_SZARRAY:
5463 case MONO_TYPE_OBJECT:
5464 case MONO_TYPE_CLASS:
5465 case MONO_TYPE_STRING:
5469 case MONO_TYPE_FNPTR:
5470 mono_mb_emit_byte (mb, mono_type_to_stind (type));
5472 case MONO_TYPE_VALUETYPE:
5473 g_assert (!klass->enumtype);
5474 mono_mb_emit_op (mb, CEE_STOBJ, klass);
5476 case MONO_TYPE_GENERICINST:
5477 mono_mb_emit_op (mb, CEE_STOBJ, klass);
5480 g_warning ("type %x not implemented", type->type);
5481 g_assert_not_reached ();
5484 mono_mb_emit_byte (mb, CEE_RET);
5486 res = mono_mb_create_and_cache (cache, klass,
5487 mb, sig, sig->param_count + 16);
5494 * generates IL code for the icall wrapper (the generated method
5495 * calls the unmanaged code in func)
5496 * The wrapper info for the wrapper is a WrapperInfo structure.
5499 mono_marshal_get_icall_wrapper (MonoMethodSignature *sig, const char *name, gconstpointer func, gboolean check_exceptions)
5501 MonoMethodSignature *csig, *csig2;
5502 MonoMethodBuilder *mb;
5507 g_assert (sig->pinvoke);
5509 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_MANAGED_TO_NATIVE);
5511 mb->method->save_lmf = 1;
5513 /* Add an explicit this argument */
5515 csig2 = signature_dup_add_this (mono_defaults.corlib, sig, mono_defaults.object_class);
5517 csig2 = signature_dup (mono_defaults.corlib, sig);
5520 mono_mb_emit_byte (mb, CEE_LDARG_0);
5522 for (i = 0; i < sig->param_count; i++)
5523 mono_mb_emit_ldarg (mb, i + sig->hasthis);
5525 mono_mb_emit_native_call (mb, csig2, (gpointer) func);
5526 if (check_exceptions)
5527 emit_thread_interrupt_checkpoint (mb);
5528 mono_mb_emit_byte (mb, CEE_RET);
5530 csig = signature_dup (mono_defaults.corlib, sig);
5532 if (csig->call_convention == MONO_CALL_VARARG)
5533 csig->call_convention = 0;
5535 res = mono_mb_create_method (mb, csig, csig->param_count + 16);
5538 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_ICALL_WRAPPER);
5539 mono_marshal_set_wrapper_info (res, info);
5545 emit_marshal_custom (EmitMarshalContext *m, int argnum, MonoType *t,
5546 MonoMarshalSpec *spec,
5547 int conv_arg, MonoType **conv_arg_type,
5548 MarshalAction action)
5552 static MonoClass *ICustomMarshaler = NULL;
5553 static MonoMethod *cleanup_native, *cleanup_managed;
5554 static MonoMethod *marshal_managed_to_native, *marshal_native_to_managed;
5555 MonoMethod *get_instance = NULL;
5556 MonoMethodBuilder *mb = m->mb;
5557 char *exception_msg = NULL;
5561 if (!ICustomMarshaler) {
5562 ICustomMarshaler = mono_class_from_name (mono_defaults.corlib, "System.Runtime.InteropServices", "ICustomMarshaler");
5563 if (!ICustomMarshaler) {
5564 exception_msg = g_strdup ("Current profile doesn't support ICustomMarshaler");
5565 goto handle_exception;
5568 cleanup_native = mono_class_get_method_from_name (ICustomMarshaler, "CleanUpNativeData", 1);
5569 g_assert (cleanup_native);
5570 cleanup_managed = mono_class_get_method_from_name (ICustomMarshaler, "CleanUpManagedData", 1);
5571 g_assert (cleanup_managed);
5572 marshal_managed_to_native = mono_class_get_method_from_name (ICustomMarshaler, "MarshalManagedToNative", 1);
5573 g_assert (marshal_managed_to_native);
5574 marshal_native_to_managed = mono_class_get_method_from_name (ICustomMarshaler, "MarshalNativeToManaged", 1);
5575 g_assert (marshal_native_to_managed);
5578 mtype = mono_reflection_type_from_name (spec->data.custom_data.custom_name, m->image);
5579 g_assert (mtype != NULL);
5580 mklass = mono_class_from_mono_type (mtype);
5581 g_assert (mklass != NULL);
5583 if (!mono_class_is_assignable_from (ICustomMarshaler, mklass))
5584 exception_msg = g_strdup_printf ("Custom marshaler '%s' does not implement the ICustomMarshaler interface.", mklass->name);
5586 get_instance = mono_class_get_method_from_name_flags (mklass, "GetInstance", 1, METHOD_ATTRIBUTE_STATIC);
5588 MonoMethodSignature *get_sig = mono_method_signature (get_instance);
5589 if ((get_sig->ret->type != MONO_TYPE_CLASS) ||
5590 (mono_class_from_mono_type (get_sig->ret) != ICustomMarshaler) ||
5591 (get_sig->params [0]->type != MONO_TYPE_STRING))
5592 get_instance = NULL;
5596 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);
5599 /* Throw exception and emit compensation code if neccesary */
5600 if (exception_msg) {
5602 case MARSHAL_ACTION_CONV_IN:
5603 case MARSHAL_ACTION_CONV_RESULT:
5604 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
5605 if ((action == MARSHAL_ACTION_CONV_RESULT) || (action == MARSHAL_ACTION_MANAGED_CONV_RESULT))
5606 mono_mb_emit_byte (mb, CEE_POP);
5608 mono_mb_emit_exception_full (mb, "System", "ApplicationException", exception_msg);
5609 g_free (exception_msg);
5612 case MARSHAL_ACTION_PUSH:
5613 mono_mb_emit_byte (mb, CEE_LDNULL);
5621 /* FIXME: MS.NET seems to create one instance for each klass + cookie pair */
5622 /* FIXME: MS.NET throws an exception if GetInstance returns null */
5625 case MARSHAL_ACTION_CONV_IN:
5627 case MONO_TYPE_CLASS:
5628 case MONO_TYPE_OBJECT:
5629 case MONO_TYPE_STRING:
5630 case MONO_TYPE_ARRAY:
5631 case MONO_TYPE_SZARRAY:
5632 case MONO_TYPE_VALUETYPE:
5636 g_warning ("custom marshalling of type %x is currently not supported", t->type);
5637 g_assert_not_reached ();
5641 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5643 mono_mb_emit_byte (mb, CEE_LDNULL);
5644 mono_mb_emit_stloc (mb, conv_arg);
5646 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT))
5649 /* Minic MS.NET behavior */
5650 if (!t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT) && !(t->attrs & PARAM_ATTRIBUTE_IN))
5653 /* Check for null */
5654 mono_mb_emit_ldarg (mb, argnum);
5656 mono_mb_emit_byte (mb, CEE_LDIND_I);
5657 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5659 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5661 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5663 mono_mb_emit_ldarg (mb, argnum);
5665 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5667 if (t->type == MONO_TYPE_VALUETYPE) {
5669 * Since we can't determine the type of the argument, we
5670 * will assume the unmanaged function takes a pointer.
5672 *conv_arg_type = &mono_defaults.int_class->byval_arg;
5674 mono_mb_emit_op (mb, CEE_BOX, mono_class_from_mono_type (t));
5677 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_managed_to_native);
5678 mono_mb_emit_stloc (mb, conv_arg);
5680 mono_mb_patch_branch (mb, pos2);
5683 case MARSHAL_ACTION_CONV_OUT:
5684 /* Check for null */
5685 mono_mb_emit_ldloc (mb, conv_arg);
5686 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5689 mono_mb_emit_ldarg (mb, argnum);
5691 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5693 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5695 mono_mb_emit_ldloc (mb, conv_arg);
5696 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
5697 mono_mb_emit_byte (mb, CEE_STIND_REF);
5698 } else if (t->attrs & PARAM_ATTRIBUTE_OUT) {
5699 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5701 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5703 mono_mb_emit_ldloc (mb, conv_arg);
5704 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
5706 /* We have nowhere to store the result */
5707 mono_mb_emit_byte (mb, CEE_POP);
5710 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5712 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5714 mono_mb_emit_ldloc (mb, conv_arg);
5716 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_native);
5718 mono_mb_patch_branch (mb, pos2);
5721 case MARSHAL_ACTION_PUSH:
5723 mono_mb_emit_ldloc_addr (mb, conv_arg);
5725 mono_mb_emit_ldloc (mb, conv_arg);
5728 case MARSHAL_ACTION_CONV_RESULT:
5729 loc1 = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5731 mono_mb_emit_stloc (mb, 3);
5733 mono_mb_emit_ldloc (mb, 3);
5734 mono_mb_emit_stloc (mb, loc1);
5736 /* Check for null */
5737 mono_mb_emit_ldloc (mb, 3);
5738 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5740 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5742 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5743 mono_mb_emit_byte (mb, CEE_DUP);
5745 mono_mb_emit_ldloc (mb, 3);
5746 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
5747 mono_mb_emit_stloc (mb, 3);
5749 mono_mb_emit_ldloc (mb, loc1);
5750 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_native);
5752 mono_mb_patch_branch (mb, pos2);
5755 case MARSHAL_ACTION_MANAGED_CONV_IN:
5756 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
5758 mono_mb_emit_byte (mb, CEE_LDNULL);
5759 mono_mb_emit_stloc (mb, conv_arg);
5761 if (t->byref && t->attrs & PARAM_ATTRIBUTE_OUT)
5764 /* Check for null */
5765 mono_mb_emit_ldarg (mb, argnum);
5767 mono_mb_emit_byte (mb, CEE_LDIND_I);
5768 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5770 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5771 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5773 mono_mb_emit_ldarg (mb, argnum);
5775 mono_mb_emit_byte (mb, CEE_LDIND_I);
5777 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
5778 mono_mb_emit_stloc (mb, conv_arg);
5780 mono_mb_patch_branch (mb, pos2);
5783 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
5784 g_assert (!t->byref);
5786 loc1 = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
5788 mono_mb_emit_stloc (mb, 3);
5790 mono_mb_emit_ldloc (mb, 3);
5791 mono_mb_emit_stloc (mb, loc1);
5793 /* Check for null */
5794 mono_mb_emit_ldloc (mb, 3);
5795 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5797 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5798 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5799 mono_mb_emit_byte (mb, CEE_DUP);
5801 mono_mb_emit_ldloc (mb, 3);
5802 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_managed_to_native);
5803 mono_mb_emit_stloc (mb, 3);
5805 mono_mb_emit_ldloc (mb, loc1);
5806 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_managed);
5808 mono_mb_patch_branch (mb, pos2);
5811 case MARSHAL_ACTION_MANAGED_CONV_OUT:
5813 /* Check for null */
5814 mono_mb_emit_ldloc (mb, conv_arg);
5815 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5818 mono_mb_emit_ldarg (mb, argnum);
5820 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5822 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5824 mono_mb_emit_ldloc (mb, conv_arg);
5825 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_managed_to_native);
5826 mono_mb_emit_byte (mb, CEE_STIND_I);
5829 /* Call CleanUpManagedData */
5830 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5832 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5834 mono_mb_emit_ldloc (mb, conv_arg);
5835 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_managed);
5837 mono_mb_patch_branch (mb, pos2);
5841 g_assert_not_reached ();
5848 emit_marshal_asany (EmitMarshalContext *m, int argnum, MonoType *t,
5849 MonoMarshalSpec *spec,
5850 int conv_arg, MonoType **conv_arg_type,
5851 MarshalAction action)
5853 MonoMethodBuilder *mb = m->mb;
5856 case MARSHAL_ACTION_CONV_IN: {
5857 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, NULL);
5859 g_assert (t->type == MONO_TYPE_OBJECT);
5860 g_assert (!t->byref);
5862 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5863 mono_mb_emit_ldarg (mb, argnum);
5864 mono_mb_emit_icon (mb, encoding);
5865 mono_mb_emit_icon (mb, t->attrs);
5866 mono_mb_emit_icall (mb, mono_marshal_asany);
5867 mono_mb_emit_stloc (mb, conv_arg);
5871 case MARSHAL_ACTION_PUSH:
5872 mono_mb_emit_ldloc (mb, conv_arg);
5875 case MARSHAL_ACTION_CONV_OUT: {
5876 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, NULL);
5878 mono_mb_emit_ldarg (mb, argnum);
5879 mono_mb_emit_ldloc (mb, conv_arg);
5880 mono_mb_emit_icon (mb, encoding);
5881 mono_mb_emit_icon (mb, t->attrs);
5882 mono_mb_emit_icall (mb, mono_marshal_free_asany);
5887 g_assert_not_reached ();
5894 emit_marshal_vtype (EmitMarshalContext *m, int argnum, MonoType *t,
5895 MonoMarshalSpec *spec,
5896 int conv_arg, MonoType **conv_arg_type,
5897 MarshalAction action)
5899 MonoMethodBuilder *mb = m->mb;
5900 MonoClass *klass, *date_time_class;
5903 klass = mono_class_from_mono_type (t);
5905 date_time_class = mono_class_from_name_cached (mono_defaults.corlib, "System", "DateTime");
5908 case MARSHAL_ACTION_CONV_IN:
5909 if (klass == date_time_class) {
5910 /* Convert it to an OLE DATE type */
5911 static MonoMethod *to_oadate;
5914 to_oadate = mono_class_get_method_from_name (date_time_class, "ToOADate", 0);
5915 g_assert (to_oadate);
5917 conv_arg = mono_mb_add_local (mb, &mono_defaults.double_class->byval_arg);
5920 mono_mb_emit_ldarg (mb, argnum);
5921 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
5924 if (!(t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && (t->attrs & PARAM_ATTRIBUTE_OUT))) {
5926 m->csig->params [argnum - m->csig->hasthis] = &mono_defaults.double_class->byval_arg;
5928 mono_mb_emit_ldarg_addr (mb, argnum);
5929 mono_mb_emit_managed_call (mb, to_oadate, NULL);
5930 mono_mb_emit_stloc (mb, conv_arg);
5934 mono_mb_patch_branch (mb, pos);
5938 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
5939 klass->blittable || klass->enumtype)
5942 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5944 /* store the address of the source into local variable 0 */
5946 mono_mb_emit_ldarg (mb, argnum);
5948 mono_mb_emit_ldarg_addr (mb, argnum);
5950 mono_mb_emit_stloc (mb, 0);
5952 /* allocate space for the native struct and
5953 * store the address into local variable 1 (dest) */
5954 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
5955 mono_mb_emit_byte (mb, CEE_PREFIX1);
5956 mono_mb_emit_byte (mb, CEE_LOCALLOC);
5957 mono_mb_emit_stloc (mb, conv_arg);
5960 mono_mb_emit_ldloc (mb, 0);
5961 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
5964 if (!(t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && (t->attrs & PARAM_ATTRIBUTE_OUT))) {
5966 mono_mb_emit_ldloc (mb, conv_arg);
5967 mono_mb_emit_stloc (mb, 1);
5969 /* emit valuetype conversion code */
5970 emit_struct_conv (mb, klass, FALSE);
5974 mono_mb_patch_branch (mb, pos);
5977 case MARSHAL_ACTION_PUSH:
5978 if (spec && spec->native == MONO_NATIVE_LPSTRUCT) {
5980 g_assert (!t->byref);
5982 /* Have to change the signature since the vtype is passed byref */
5983 m->csig->params [argnum - m->csig->hasthis] = &mono_defaults.int_class->byval_arg;
5985 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
5986 klass->blittable || klass->enumtype)
5987 mono_mb_emit_ldarg_addr (mb, argnum);
5989 mono_mb_emit_ldloc (mb, conv_arg);
5993 if (klass == date_time_class) {
5995 mono_mb_emit_ldloc_addr (mb, conv_arg);
5997 mono_mb_emit_ldloc (mb, conv_arg);
6001 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6002 klass->blittable || klass->enumtype) {
6003 mono_mb_emit_ldarg (mb, argnum);
6006 mono_mb_emit_ldloc (mb, conv_arg);
6008 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6009 mono_mb_emit_op (mb, CEE_MONO_LDNATIVEOBJ, klass);
6013 case MARSHAL_ACTION_CONV_OUT:
6014 if (klass == date_time_class) {
6015 /* Convert from an OLE DATE type */
6016 static MonoMethod *from_oadate;
6021 if (!((t->attrs & PARAM_ATTRIBUTE_IN) && !(t->attrs & PARAM_ATTRIBUTE_OUT))) {
6023 from_oadate = mono_class_get_method_from_name (date_time_class, "FromOADate", 1);
6024 g_assert (from_oadate);
6026 mono_mb_emit_ldarg (mb, argnum);
6027 mono_mb_emit_ldloc (mb, conv_arg);
6028 mono_mb_emit_managed_call (mb, from_oadate, NULL);
6029 mono_mb_emit_op (mb, CEE_STOBJ, date_time_class);
6034 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6035 klass->blittable || klass->enumtype)
6039 /* dst = argument */
6040 mono_mb_emit_ldarg (mb, argnum);
6041 mono_mb_emit_stloc (mb, 1);
6043 mono_mb_emit_ldloc (mb, 1);
6044 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6046 if (!((t->attrs & PARAM_ATTRIBUTE_IN) && !(t->attrs & PARAM_ATTRIBUTE_OUT))) {
6047 /* src = tmp_locals [i] */
6048 mono_mb_emit_ldloc (mb, conv_arg);
6049 mono_mb_emit_stloc (mb, 0);
6051 /* emit valuetype conversion code */
6052 emit_struct_conv (mb, klass, TRUE);
6056 emit_struct_free (mb, klass, conv_arg);
6059 mono_mb_patch_branch (mb, pos);
6062 case MARSHAL_ACTION_CONV_RESULT:
6063 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6065 mono_mb_emit_stloc (mb, 3);
6069 /* load pointer to returned value type */
6070 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6071 mono_mb_emit_byte (mb, CEE_MONO_VTADDR);
6072 /* store the address of the source into local variable 0 */
6073 mono_mb_emit_stloc (mb, 0);
6075 mono_mb_emit_ldloc_addr (mb, 3);
6076 mono_mb_emit_stloc (mb, 1);
6078 /* emit valuetype conversion code */
6079 emit_struct_conv (mb, klass, TRUE);
6082 case MARSHAL_ACTION_MANAGED_CONV_IN:
6083 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6084 klass->blittable || klass->enumtype) {
6089 conv_arg = mono_mb_add_local (mb, &klass->byval_arg);
6091 if (t->attrs & PARAM_ATTRIBUTE_OUT)
6095 mono_mb_emit_ldarg (mb, argnum);
6097 mono_mb_emit_ldarg_addr (mb, argnum);
6098 mono_mb_emit_stloc (mb, 0);
6101 mono_mb_emit_ldloc (mb, 0);
6102 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6105 mono_mb_emit_ldloc_addr (mb, conv_arg);
6106 mono_mb_emit_stloc (mb, 1);
6108 /* emit valuetype conversion code */
6109 emit_struct_conv (mb, klass, TRUE);
6112 mono_mb_patch_branch (mb, pos);
6115 case MARSHAL_ACTION_MANAGED_CONV_OUT:
6116 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6117 klass->blittable || klass->enumtype) {
6121 /* Check for null */
6122 mono_mb_emit_ldarg (mb, argnum);
6123 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6126 mono_mb_emit_ldloc_addr (mb, conv_arg);
6127 mono_mb_emit_stloc (mb, 0);
6130 mono_mb_emit_ldarg (mb, argnum);
6131 mono_mb_emit_stloc (mb, 1);
6133 /* emit valuetype conversion code */
6134 emit_struct_conv (mb, klass, FALSE);
6136 mono_mb_patch_branch (mb, pos2);
6139 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
6140 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6141 klass->blittable || klass->enumtype) {
6142 mono_mb_emit_stloc (mb, 3);
6147 /* load pointer to returned value type */
6148 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6149 mono_mb_emit_byte (mb, CEE_MONO_VTADDR);
6151 /* store the address of the source into local variable 0 */
6152 mono_mb_emit_stloc (mb, 0);
6153 /* allocate space for the native struct and
6154 * store the address into dst_ptr */
6155 m->retobj_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6156 m->retobj_class = klass;
6157 g_assert (m->retobj_var);
6158 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
6159 mono_mb_emit_byte (mb, CEE_CONV_I);
6160 mono_mb_emit_icall (mb, mono_marshal_alloc);
6161 mono_mb_emit_stloc (mb, 1);
6162 mono_mb_emit_ldloc (mb, 1);
6163 mono_mb_emit_stloc (mb, m->retobj_var);
6165 /* emit valuetype conversion code */
6166 emit_struct_conv (mb, klass, FALSE);
6170 g_assert_not_reached ();
6177 emit_marshal_string (EmitMarshalContext *m, int argnum, MonoType *t,
6178 MonoMarshalSpec *spec,
6179 int conv_arg, MonoType **conv_arg_type,
6180 MarshalAction action)
6182 MonoMethodBuilder *mb = m->mb;
6183 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
6184 MonoMarshalConv conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
6188 case MARSHAL_ACTION_CONV_IN:
6189 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6190 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6193 if (t->attrs & PARAM_ATTRIBUTE_OUT)
6196 mono_mb_emit_ldarg (mb, argnum);
6197 mono_mb_emit_byte (mb, CEE_LDIND_I);
6199 mono_mb_emit_ldarg (mb, argnum);
6203 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
6204 mono_mb_emit_exception_marshal_directive (mb, msg);
6206 mono_mb_emit_icall (mb, conv_to_icall (conv));
6208 mono_mb_emit_stloc (mb, conv_arg);
6212 case MARSHAL_ACTION_CONV_OUT:
6213 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
6215 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
6216 mono_mb_emit_exception_marshal_directive (mb, msg);
6220 if (encoding == MONO_NATIVE_VBBYREFSTR) {
6221 static MonoMethod *m;
6224 m = mono_class_get_method_from_name_flags (mono_defaults.string_class, "get_Length", -1, 0);
6229 char *msg = g_strdup_printf ("VBByRefStr marshalling requires a ref parameter.", encoding);
6230 mono_mb_emit_exception_marshal_directive (mb, msg);
6235 * Have to allocate a new string with the same length as the original, and
6236 * copy the contents of the buffer pointed to by CONV_ARG into it.
6238 g_assert (t->byref);
6239 mono_mb_emit_ldarg (mb, argnum);
6240 mono_mb_emit_ldloc (mb, conv_arg);
6241 mono_mb_emit_ldarg (mb, argnum);
6242 mono_mb_emit_byte (mb, CEE_LDIND_I);
6243 mono_mb_emit_managed_call (mb, m, NULL);
6244 mono_mb_emit_icall (mb, mono_string_new_len_wrapper);
6245 mono_mb_emit_byte (mb, CEE_STIND_REF);
6246 } else if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT || !(t->attrs & PARAM_ATTRIBUTE_IN))) {
6247 mono_mb_emit_ldarg (mb, argnum);
6248 mono_mb_emit_ldloc (mb, conv_arg);
6249 mono_mb_emit_icall (mb, conv_to_icall (conv));
6250 mono_mb_emit_byte (mb, CEE_STIND_REF);
6255 mono_mb_emit_ldloc (mb, conv_arg);
6256 if (conv == MONO_MARSHAL_CONV_BSTR_STR)
6257 mono_mb_emit_icall (mb, mono_free_bstr);
6259 mono_mb_emit_icall (mb, mono_marshal_free);
6263 case MARSHAL_ACTION_PUSH:
6264 if (t->byref && encoding != MONO_NATIVE_VBBYREFSTR)
6265 mono_mb_emit_ldloc_addr (mb, conv_arg);
6267 mono_mb_emit_ldloc (mb, conv_arg);
6270 case MARSHAL_ACTION_CONV_RESULT:
6271 mono_mb_emit_stloc (mb, 0);
6273 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
6275 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
6276 mono_mb_emit_exception_marshal_directive (mb, msg);
6280 mono_mb_emit_ldloc (mb, 0);
6281 mono_mb_emit_icall (mb, conv_to_icall (conv));
6282 mono_mb_emit_stloc (mb, 3);
6284 /* free the string */
6285 mono_mb_emit_ldloc (mb, 0);
6286 if (conv == MONO_MARSHAL_CONV_BSTR_STR)
6287 mono_mb_emit_icall (mb, mono_free_bstr);
6289 mono_mb_emit_icall (mb, mono_marshal_free);
6292 case MARSHAL_ACTION_MANAGED_CONV_IN:
6293 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
6295 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6298 if (t->attrs & PARAM_ATTRIBUTE_OUT)
6302 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
6304 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
6305 mono_mb_emit_exception_marshal_directive (mb, msg);
6309 mono_mb_emit_ldarg (mb, argnum);
6311 mono_mb_emit_byte (mb, CEE_LDIND_I);
6312 mono_mb_emit_icall (mb, conv_to_icall (conv));
6313 mono_mb_emit_stloc (mb, conv_arg);
6316 case MARSHAL_ACTION_MANAGED_CONV_OUT:
6319 mono_mb_emit_ldarg (mb, argnum);
6320 mono_mb_emit_ldloc (mb, conv_arg);
6321 mono_mb_emit_icall (mb, conv_to_icall (conv));
6322 mono_mb_emit_byte (mb, CEE_STIND_I);
6327 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
6328 if (conv_to_icall (conv) == mono_marshal_string_to_utf16)
6329 /* We need to make a copy so the caller is able to free it */
6330 mono_mb_emit_icall (mb, mono_marshal_string_to_utf16_copy);
6332 mono_mb_emit_icall (mb, conv_to_icall (conv));
6333 mono_mb_emit_stloc (mb, 3);
6337 g_assert_not_reached ();
6344 emit_marshal_safehandle (EmitMarshalContext *m, int argnum, MonoType *t,
6345 MonoMarshalSpec *spec, int conv_arg,
6346 MonoType **conv_arg_type, MarshalAction action)
6348 MonoMethodBuilder *mb = m->mb;
6351 case MARSHAL_ACTION_CONV_IN: {
6352 MonoType *intptr_type;
6353 int dar_release_slot, pos;
6355 intptr_type = &mono_defaults.int_class->byval_arg;
6356 conv_arg = mono_mb_add_local (mb, intptr_type);
6357 *conv_arg_type = intptr_type;
6359 if (!sh_dangerous_add_ref)
6360 init_safe_handle ();
6362 mono_mb_emit_ldarg (mb, argnum);
6363 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
6364 mono_mb_emit_exception (mb, "ArgumentNullException", NULL);
6366 mono_mb_patch_branch (mb, pos);
6369 * My tests in show that ref SafeHandles are not really
6370 * passed as ref objects. Instead a NULL is passed as the
6373 mono_mb_emit_icon (mb, 0);
6374 mono_mb_emit_stloc (mb, conv_arg);
6378 /* Create local to hold the ref parameter to DangerousAddRef */
6379 dar_release_slot = mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
6381 /* set release = false; */
6382 mono_mb_emit_icon (mb, 0);
6383 mono_mb_emit_stloc (mb, dar_release_slot);
6385 /* safehandle.DangerousAddRef (ref release) */
6386 mono_mb_emit_ldarg (mb, argnum);
6387 mono_mb_emit_ldloc_addr (mb, dar_release_slot);
6388 mono_mb_emit_managed_call (mb, sh_dangerous_add_ref, NULL);
6390 /* Pull the handle field from SafeHandle */
6391 mono_mb_emit_ldarg (mb, argnum);
6392 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoSafeHandle, handle));
6393 mono_mb_emit_byte (mb, CEE_LDIND_I);
6394 mono_mb_emit_stloc (mb, conv_arg);
6399 case MARSHAL_ACTION_PUSH:
6401 mono_mb_emit_ldloc_addr (mb, conv_arg);
6403 mono_mb_emit_ldloc (mb, conv_arg);
6406 case MARSHAL_ACTION_CONV_OUT: {
6407 /* The slot for the boolean is the next temporary created after conv_arg, see the CONV_IN code */
6408 int dar_release_slot = conv_arg + 1;
6411 if (!sh_dangerous_release)
6412 init_safe_handle ();
6418 * My tests indicate that ref SafeHandles parameters are not actually
6419 * passed by ref, but instead a new Handle is created regardless of
6420 * whether a change happens in the unmanaged side.
6422 * Also, the Handle is created before calling into unmanaged code,
6423 * but we do not support that mechanism (getting to the original
6424 * handle) and it makes no difference where we create this
6426 ctor = mono_class_get_method_from_name (t->data.klass, ".ctor", 0);
6428 mono_mb_emit_exception (mb, "MissingMethodException", "paramterless constructor required");
6431 /* refval = new SafeHandleDerived ()*/
6432 mono_mb_emit_ldarg (mb, argnum);
6433 mono_mb_emit_op (mb, CEE_NEWOBJ, ctor);
6434 mono_mb_emit_byte (mb, CEE_STIND_REF);
6436 /* refval.handle = returned_handle */
6437 mono_mb_emit_ldarg (mb, argnum);
6438 mono_mb_emit_byte (mb, CEE_LDIND_REF);
6439 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoSafeHandle, handle));
6440 mono_mb_emit_ldloc (mb, conv_arg);
6441 mono_mb_emit_byte (mb, CEE_STIND_I);
6443 mono_mb_emit_ldloc (mb, dar_release_slot);
6444 label_next = mono_mb_emit_branch (mb, CEE_BRFALSE);
6445 mono_mb_emit_ldarg (mb, argnum);
6446 mono_mb_emit_managed_call (mb, sh_dangerous_release, NULL);
6447 mono_mb_patch_branch (mb, label_next);
6452 case MARSHAL_ACTION_CONV_RESULT: {
6453 MonoMethod *ctor = NULL;
6454 int intptr_handle_slot;
6456 if (t->data.klass->flags & TYPE_ATTRIBUTE_ABSTRACT){
6457 mono_mb_emit_byte (mb, CEE_POP);
6458 mono_mb_emit_exception_marshal_directive (mb, g_strdup ("Returned SafeHandles should not be abstract"));
6462 ctor = mono_class_get_method_from_name (t->data.klass, ".ctor", 0);
6464 mono_mb_emit_byte (mb, CEE_POP);
6465 mono_mb_emit_exception (mb, "MissingMethodException", "paramterless constructor required");
6468 /* Store the IntPtr results into a local */
6469 intptr_handle_slot = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6470 mono_mb_emit_stloc (mb, intptr_handle_slot);
6472 /* Create return value */
6473 mono_mb_emit_op (mb, CEE_NEWOBJ, ctor);
6474 mono_mb_emit_stloc (mb, 3);
6476 /* Set the return.handle to the value, am using ldflda, not sure if thats a good idea */
6477 mono_mb_emit_ldloc (mb, 3);
6478 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoSafeHandle, handle));
6479 mono_mb_emit_ldloc (mb, intptr_handle_slot);
6480 mono_mb_emit_byte (mb, CEE_STIND_I);
6484 case MARSHAL_ACTION_MANAGED_CONV_IN:
6485 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_IN\n");
6488 case MARSHAL_ACTION_MANAGED_CONV_OUT:
6489 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_OUT\n");
6492 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
6493 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_RESULT\n");
6496 printf ("Unhandled case for MarshalAction: %d\n", action);
6503 emit_marshal_handleref (EmitMarshalContext *m, int argnum, MonoType *t,
6504 MonoMarshalSpec *spec, int conv_arg,
6505 MonoType **conv_arg_type, MarshalAction action)
6507 MonoMethodBuilder *mb = m->mb;
6510 case MARSHAL_ACTION_CONV_IN: {
6511 MonoType *intptr_type;
6513 intptr_type = &mono_defaults.int_class->byval_arg;
6514 conv_arg = mono_mb_add_local (mb, intptr_type);
6515 *conv_arg_type = intptr_type;
6518 char *msg = g_strdup ("HandleRefs can not be returned from unmanaged code (or passed by ref)");
6519 mono_mb_emit_exception_marshal_directive (mb, msg);
6522 mono_mb_emit_ldarg_addr (mb, argnum);
6523 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoHandleRef, handle));
6524 mono_mb_emit_byte (mb, CEE_ADD);
6525 mono_mb_emit_byte (mb, CEE_LDIND_I);
6526 mono_mb_emit_stloc (mb, conv_arg);
6530 case MARSHAL_ACTION_PUSH:
6531 mono_mb_emit_ldloc (mb, conv_arg);
6534 case MARSHAL_ACTION_CONV_OUT: {
6535 /* no resource release required */
6539 case MARSHAL_ACTION_CONV_RESULT: {
6540 char *msg = g_strdup ("HandleRefs can not be returned from unmanaged code (or passed by ref)");
6541 mono_mb_emit_exception_marshal_directive (mb, msg);
6545 case MARSHAL_ACTION_MANAGED_CONV_IN:
6546 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_IN\n");
6549 case MARSHAL_ACTION_MANAGED_CONV_OUT:
6550 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_OUT\n");
6553 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
6554 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_RESULT\n");
6557 fprintf (stderr, "Unhandled case for MarshalAction: %d\n", action);
6564 emit_marshal_object (EmitMarshalContext *m, int argnum, MonoType *t,
6565 MonoMarshalSpec *spec,
6566 int conv_arg, MonoType **conv_arg_type,
6567 MarshalAction action)
6569 MonoMethodBuilder *mb = m->mb;
6570 MonoClass *klass = mono_class_from_mono_type (t);
6574 case MARSHAL_ACTION_CONV_IN:
6575 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6576 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6578 m->orig_conv_args [argnum] = 0;
6580 if (mono_class_from_mono_type (t) == mono_defaults.object_class) {
6581 char *msg = g_strdup_printf ("Marshalling of type object is not implemented");
6582 mono_mb_emit_exception_marshal_directive (mb, msg);
6586 if (klass->delegate) {
6588 if (!(t->attrs & PARAM_ATTRIBUTE_OUT)) {
6589 char *msg = g_strdup_printf ("Byref marshalling of delegates is not implemented.");
6590 mono_mb_emit_exception_marshal_directive (mb, msg);
6592 mono_mb_emit_byte (mb, CEE_LDNULL);
6593 mono_mb_emit_stloc (mb, conv_arg);
6595 mono_mb_emit_ldarg (mb, argnum);
6596 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_DEL_FTN));
6597 mono_mb_emit_stloc (mb, conv_arg);
6599 } else if (klass == mono_defaults.stringbuilder_class) {
6600 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
6601 MonoMarshalConv conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
6605 if (!(t->attrs & PARAM_ATTRIBUTE_OUT)) {
6606 char *msg = g_strdup_printf ("Byref marshalling of stringbuilders is not implemented.");
6607 mono_mb_emit_exception_marshal_directive (mb, msg);
6613 if (t->byref && !t->attrs & PARAM_ATTRIBUTE_IN && t->attrs & PARAM_ATTRIBUTE_OUT)
6617 char *msg = g_strdup_printf ("stringbuilder marshalling conversion %d not implemented", encoding);
6618 mono_mb_emit_exception_marshal_directive (mb, msg);
6622 mono_mb_emit_ldarg (mb, argnum);
6624 mono_mb_emit_byte (mb, CEE_LDIND_I);
6626 mono_mb_emit_icall (mb, conv_to_icall (conv));
6627 mono_mb_emit_stloc (mb, conv_arg);
6628 } else if (klass->blittable) {
6629 mono_mb_emit_byte (mb, CEE_LDNULL);
6630 mono_mb_emit_stloc (mb, conv_arg);
6632 mono_mb_emit_ldarg (mb, argnum);
6633 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6635 mono_mb_emit_ldarg (mb, argnum);
6636 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6637 mono_mb_emit_stloc (mb, conv_arg);
6639 mono_mb_patch_branch (mb, pos);
6642 mono_mb_emit_byte (mb, CEE_LDNULL);
6643 mono_mb_emit_stloc (mb, conv_arg);
6646 /* we dont need any conversions for out parameters */
6647 if (t->attrs & PARAM_ATTRIBUTE_OUT)
6650 mono_mb_emit_ldarg (mb, argnum);
6651 mono_mb_emit_byte (mb, CEE_LDIND_I);
6654 mono_mb_emit_ldarg (mb, argnum);
6655 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6656 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
6659 /* store the address of the source into local variable 0 */
6660 mono_mb_emit_stloc (mb, 0);
6661 mono_mb_emit_ldloc (mb, 0);
6662 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6664 /* allocate space for the native struct and store the address */
6665 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
6666 mono_mb_emit_byte (mb, CEE_PREFIX1);
6667 mono_mb_emit_byte (mb, CEE_LOCALLOC);
6668 mono_mb_emit_stloc (mb, conv_arg);
6671 /* Need to store the original buffer so we can free it later */
6672 m->orig_conv_args [argnum] = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6673 mono_mb_emit_ldloc (mb, conv_arg);
6674 mono_mb_emit_stloc (mb, m->orig_conv_args [argnum]);
6677 /* set the src_ptr */
6678 mono_mb_emit_ldloc (mb, 0);
6679 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6680 mono_mb_emit_stloc (mb, 0);
6683 mono_mb_emit_ldloc (mb, conv_arg);
6684 mono_mb_emit_stloc (mb, 1);
6686 /* emit valuetype conversion code */
6687 emit_struct_conv (mb, klass, FALSE);
6689 mono_mb_patch_branch (mb, pos);
6693 case MARSHAL_ACTION_CONV_OUT:
6694 if (klass == mono_defaults.stringbuilder_class) {
6696 MonoMarshalNative encoding;
6697 MonoMarshalConv conv;
6699 encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
6700 conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free);
6702 g_assert (encoding != -1);
6705 //g_assert (!(t->attrs & PARAM_ATTRIBUTE_OUT));
6709 mono_mb_emit_ldarg (mb, argnum);
6710 mono_mb_emit_ldloc (mb, conv_arg);
6713 case MONO_NATIVE_LPWSTR:
6714 mono_mb_emit_icall (mb, mono_string_utf16_to_builder2);
6716 case MONO_NATIVE_LPSTR:
6717 mono_mb_emit_icall (mb, mono_string_utf8_to_builder2);
6720 g_assert_not_reached ();
6723 mono_mb_emit_byte (mb, CEE_STIND_REF);
6725 mono_mb_emit_ldarg (mb, argnum);
6726 mono_mb_emit_ldloc (mb, conv_arg);
6728 mono_mb_emit_icall (mb, conv_to_icall (conv));
6732 mono_mb_emit_ldloc (mb, conv_arg);
6733 mono_mb_emit_icall (mb, mono_marshal_free);
6738 if (klass->delegate) {
6740 mono_mb_emit_ldarg (mb, argnum);
6741 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6742 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
6743 mono_mb_emit_ldloc (mb, conv_arg);
6744 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_FTN_DEL));
6745 mono_mb_emit_byte (mb, CEE_STIND_REF);
6750 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT)) {
6751 /* allocate a new object */
6752 mono_mb_emit_ldarg (mb, argnum);
6753 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6754 mono_mb_emit_op (mb, CEE_MONO_NEWOBJ, klass);
6755 mono_mb_emit_byte (mb, CEE_STIND_REF);
6758 /* dst = *argument */
6759 mono_mb_emit_ldarg (mb, argnum);
6762 mono_mb_emit_byte (mb, CEE_LDIND_I);
6764 mono_mb_emit_stloc (mb, 1);
6766 mono_mb_emit_ldloc (mb, 1);
6767 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6769 if (t->byref || (t->attrs & PARAM_ATTRIBUTE_OUT)) {
6770 mono_mb_emit_ldloc (mb, 1);
6771 mono_mb_emit_icon (mb, sizeof (MonoObject));
6772 mono_mb_emit_byte (mb, CEE_ADD);
6773 mono_mb_emit_stloc (mb, 1);
6775 /* src = tmp_locals [i] */
6776 mono_mb_emit_ldloc (mb, conv_arg);
6777 mono_mb_emit_stloc (mb, 0);
6779 /* emit valuetype conversion code */
6780 emit_struct_conv (mb, klass, TRUE);
6782 /* Free the structure returned by the native code */
6783 emit_struct_free (mb, klass, conv_arg);
6785 if (m->orig_conv_args [argnum]) {
6787 * If the native function changed the pointer, then free
6788 * the original structure plus the new pointer.
6790 mono_mb_emit_ldloc (mb, m->orig_conv_args [argnum]);
6791 mono_mb_emit_ldloc (mb, conv_arg);
6792 pos2 = mono_mb_emit_branch (mb, CEE_BEQ);
6794 if (!(t->attrs & PARAM_ATTRIBUTE_OUT)) {
6795 g_assert (m->orig_conv_args [argnum]);
6797 emit_struct_free (mb, klass, m->orig_conv_args [argnum]);
6800 mono_mb_emit_ldloc (mb, conv_arg);
6801 mono_mb_emit_icall (mb, mono_marshal_free);
6803 mono_mb_patch_branch (mb, pos2);
6807 /* Free the original structure passed to native code */
6808 emit_struct_free (mb, klass, conv_arg);
6810 mono_mb_patch_branch (mb, pos);
6813 case MARSHAL_ACTION_PUSH:
6815 mono_mb_emit_ldloc_addr (mb, conv_arg);
6817 mono_mb_emit_ldloc (mb, conv_arg);
6820 case MARSHAL_ACTION_CONV_RESULT:
6821 if (klass->delegate) {
6822 g_assert (!t->byref);
6823 mono_mb_emit_stloc (mb, 0);
6824 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6825 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
6826 mono_mb_emit_ldloc (mb, 0);
6827 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_FTN_DEL));
6828 mono_mb_emit_stloc (mb, 3);
6831 mono_mb_emit_stloc (mb, 0);
6833 /* Make a copy since emit_conv modifies local 0 */
6834 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6835 mono_mb_emit_ldloc (mb, 0);
6836 mono_mb_emit_stloc (mb, loc);
6838 mono_mb_emit_byte (mb, CEE_LDNULL);
6839 mono_mb_emit_stloc (mb, 3);
6841 mono_mb_emit_ldloc (mb, 0);
6842 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6844 /* allocate result object */
6846 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6847 mono_mb_emit_op (mb, CEE_MONO_NEWOBJ, klass);
6848 mono_mb_emit_stloc (mb, 3);
6852 mono_mb_emit_ldloc (mb, 3);
6853 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6854 mono_mb_emit_stloc (mb, 1);
6856 /* emit conversion code */
6857 emit_struct_conv (mb, klass, TRUE);
6859 emit_struct_free (mb, klass, loc);
6861 /* Free the pointer allocated by unmanaged code */
6862 mono_mb_emit_ldloc (mb, loc);
6863 mono_mb_emit_icall (mb, mono_marshal_free);
6864 mono_mb_patch_branch (mb, pos);
6868 case MARSHAL_ACTION_MANAGED_CONV_IN:
6869 conv_arg = mono_mb_add_local (mb, &klass->byval_arg);
6871 if (klass->delegate) {
6872 g_assert (!t->byref);
6873 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6874 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
6875 mono_mb_emit_ldarg (mb, argnum);
6876 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_FTN_DEL));
6877 mono_mb_emit_stloc (mb, conv_arg);
6881 if (klass == mono_defaults.stringbuilder_class) {
6882 MonoMarshalNative encoding;
6884 encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
6887 g_assert (encoding == MONO_NATIVE_LPSTR);
6889 g_assert (!t->byref);
6890 g_assert (encoding != -1);
6892 mono_mb_emit_ldarg (mb, argnum);
6893 mono_mb_emit_icall (mb, mono_string_utf8_to_builder2);
6894 mono_mb_emit_stloc (mb, conv_arg);
6898 /* The class can not have an automatic layout */
6899 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
6900 mono_mb_emit_auto_layout_exception (mb, klass);
6904 if (t->attrs & PARAM_ATTRIBUTE_OUT) {
6905 mono_mb_emit_byte (mb, CEE_LDNULL);
6906 mono_mb_emit_stloc (mb, conv_arg);
6911 mono_mb_emit_ldarg (mb, argnum);
6915 /* Check for NULL and raise an exception */
6916 pos2 = mono_mb_emit_branch (mb, CEE_BRTRUE);
6918 mono_mb_emit_exception (mb, "ArgumentNullException", NULL);
6920 mono_mb_patch_branch (mb, pos2);
6921 mono_mb_emit_ldarg (mb, argnum);
6922 mono_mb_emit_byte (mb, CEE_LDIND_I);
6925 mono_mb_emit_stloc (mb, 0);
6927 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
6928 mono_mb_emit_stloc (mb, conv_arg);
6930 mono_mb_emit_ldloc (mb, 0);
6931 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6933 /* Create and set dst */
6934 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6935 mono_mb_emit_op (mb, CEE_MONO_NEWOBJ, klass);
6936 mono_mb_emit_stloc (mb, conv_arg);
6937 mono_mb_emit_ldloc (mb, conv_arg);
6938 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6939 mono_mb_emit_stloc (mb, 1);
6941 /* emit valuetype conversion code */
6942 emit_struct_conv (mb, klass, TRUE);
6944 mono_mb_patch_branch (mb, pos);
6947 case MARSHAL_ACTION_MANAGED_CONV_OUT:
6949 /* Check for null */
6950 mono_mb_emit_ldloc (mb, conv_arg);
6951 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
6952 mono_mb_emit_ldarg (mb, argnum);
6953 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
6954 mono_mb_emit_byte (mb, CEE_STIND_REF);
6955 pos2 = mono_mb_emit_branch (mb, CEE_BR);
6957 mono_mb_patch_branch (mb, pos);
6960 mono_mb_emit_ldloc (mb, conv_arg);
6961 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6962 mono_mb_emit_stloc (mb, 0);
6964 /* Allocate and set dest */
6965 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
6966 mono_mb_emit_byte (mb, CEE_CONV_I);
6967 mono_mb_emit_icall (mb, mono_marshal_alloc);
6968 mono_mb_emit_stloc (mb, 1);
6970 /* Update argument pointer */
6971 mono_mb_emit_ldarg (mb, argnum);
6972 mono_mb_emit_ldloc (mb, 1);
6973 mono_mb_emit_byte (mb, CEE_STIND_I);
6975 /* emit valuetype conversion code */
6976 emit_struct_conv (mb, klass, FALSE);
6978 mono_mb_patch_branch (mb, pos2);
6980 /* byval [Out] marshalling */
6982 /* FIXME: Handle null */
6985 mono_mb_emit_ldloc (mb, conv_arg);
6986 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6987 mono_mb_emit_stloc (mb, 0);
6990 mono_mb_emit_ldarg (mb, argnum);
6991 mono_mb_emit_stloc (mb, 1);
6993 /* emit valuetype conversion code */
6994 emit_struct_conv (mb, klass, FALSE);
6998 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
6999 if (klass->delegate) {
7000 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_DEL_FTN));
7001 mono_mb_emit_stloc (mb, 3);
7005 /* The class can not have an automatic layout */
7006 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
7007 mono_mb_emit_auto_layout_exception (mb, klass);
7011 mono_mb_emit_stloc (mb, 0);
7012 /* Check for null */
7013 mono_mb_emit_ldloc (mb, 0);
7014 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
7015 mono_mb_emit_byte (mb, CEE_LDNULL);
7016 mono_mb_emit_stloc (mb, 3);
7017 pos2 = mono_mb_emit_branch (mb, CEE_BR);
7019 mono_mb_patch_branch (mb, pos);
7022 mono_mb_emit_ldloc (mb, 0);
7023 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
7024 mono_mb_emit_stloc (mb, 0);
7026 /* Allocate and set dest */
7027 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
7028 mono_mb_emit_byte (mb, CEE_CONV_I);
7029 mono_mb_emit_icall (mb, mono_marshal_alloc);
7030 mono_mb_emit_byte (mb, CEE_DUP);
7031 mono_mb_emit_stloc (mb, 1);
7032 mono_mb_emit_stloc (mb, 3);
7034 emit_struct_conv (mb, klass, FALSE);
7036 mono_mb_patch_branch (mb, pos2);
7040 g_assert_not_reached ();
7050 emit_marshal_variant (EmitMarshalContext *m, int argnum, MonoType *t,
7051 MonoMarshalSpec *spec,
7052 int conv_arg, MonoType **conv_arg_type,
7053 MarshalAction action)
7055 MonoMethodBuilder *mb = m->mb;
7056 static MonoMethod *get_object_for_native_variant = NULL;
7057 static MonoMethod *get_native_variant_for_object = NULL;
7059 mono_init_com_types ();
7061 if (!get_object_for_native_variant)
7062 get_object_for_native_variant = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetObjectForNativeVariant", 1);
7063 g_assert (get_object_for_native_variant);
7065 if (!get_native_variant_for_object)
7066 get_native_variant_for_object = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetNativeVariantForObject", 2);
7067 g_assert (get_native_variant_for_object);
7070 case MARSHAL_ACTION_CONV_IN: {
7071 conv_arg = mono_mb_add_local (mb, &mono_defaults.variant_class->byval_arg);
7074 *conv_arg_type = &mono_defaults.variant_class->this_arg;
7076 *conv_arg_type = &mono_defaults.variant_class->byval_arg;
7078 if (t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && t->attrs & PARAM_ATTRIBUTE_OUT)
7081 mono_mb_emit_ldarg (mb, argnum);
7083 mono_mb_emit_byte(mb, CEE_LDIND_REF);
7084 mono_mb_emit_ldloc_addr (mb, conv_arg);
7085 mono_mb_emit_managed_call (mb, get_native_variant_for_object, NULL);
7089 case MARSHAL_ACTION_CONV_OUT: {
7090 static MonoMethod *variant_clear = NULL;
7093 variant_clear = mono_class_get_method_from_name (mono_defaults.variant_class, "Clear", 0);
7094 g_assert (variant_clear);
7097 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT || !(t->attrs & PARAM_ATTRIBUTE_IN))) {
7098 mono_mb_emit_ldarg (mb, argnum);
7099 mono_mb_emit_ldloc_addr (mb, conv_arg);
7100 mono_mb_emit_managed_call (mb, get_object_for_native_variant, NULL);
7101 mono_mb_emit_byte (mb, CEE_STIND_REF);
7104 mono_mb_emit_ldloc_addr (mb, conv_arg);
7105 mono_mb_emit_managed_call (mb, variant_clear, NULL);
7109 case MARSHAL_ACTION_PUSH:
7111 mono_mb_emit_ldloc_addr (mb, conv_arg);
7113 mono_mb_emit_ldloc (mb, conv_arg);
7116 case MARSHAL_ACTION_CONV_RESULT: {
7117 char *msg = g_strdup ("Marshalling of VARIANT not supported as a return type.");
7118 mono_mb_emit_exception_marshal_directive (mb, msg);
7122 case MARSHAL_ACTION_MANAGED_CONV_IN: {
7123 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
7126 *conv_arg_type = &mono_defaults.variant_class->this_arg;
7128 *conv_arg_type = &mono_defaults.variant_class->byval_arg;
7130 if (t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && t->attrs & PARAM_ATTRIBUTE_OUT)
7134 mono_mb_emit_ldarg (mb, argnum);
7136 mono_mb_emit_ldarg_addr (mb, argnum);
7137 mono_mb_emit_managed_call (mb, get_object_for_native_variant, NULL);
7138 mono_mb_emit_stloc (mb, conv_arg);
7142 case MARSHAL_ACTION_MANAGED_CONV_OUT: {
7143 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT || !(t->attrs & PARAM_ATTRIBUTE_IN))) {
7144 mono_mb_emit_ldloc (mb, conv_arg);
7145 mono_mb_emit_ldarg (mb, argnum);
7146 mono_mb_emit_managed_call (mb, get_native_variant_for_object, NULL);
7151 case MARSHAL_ACTION_MANAGED_CONV_RESULT: {
7152 char *msg = g_strdup ("Marshalling of VARIANT not supported as a return type.");
7153 mono_mb_emit_exception_marshal_directive (mb, msg);
7158 g_assert_not_reached ();
7164 #endif /* DISABLE_COM */
7167 mono_pinvoke_is_unicode (MonoMethodPInvoke *piinfo)
7169 switch (piinfo->piflags & PINVOKE_ATTRIBUTE_CHAR_SET_MASK) {
7170 case PINVOKE_ATTRIBUTE_CHAR_SET_ANSI:
7172 case PINVOKE_ATTRIBUTE_CHAR_SET_UNICODE:
7174 case PINVOKE_ATTRIBUTE_CHAR_SET_AUTO:
7185 emit_marshal_array (EmitMarshalContext *m, int argnum, MonoType *t,
7186 MonoMarshalSpec *spec,
7187 int conv_arg, MonoType **conv_arg_type,
7188 MarshalAction action)
7190 MonoMethodBuilder *mb = m->mb;
7191 MonoClass *klass = mono_class_from_mono_type (t);
7192 gboolean need_convert, need_free;
7193 MonoMarshalNative encoding;
7195 encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
7198 case MARSHAL_ACTION_CONV_IN:
7199 *conv_arg_type = &mono_defaults.object_class->byval_arg;
7200 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
7202 if (klass->element_class->blittable) {
7203 mono_mb_emit_ldarg (mb, argnum);
7205 mono_mb_emit_byte (mb, CEE_LDIND_I);
7206 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_ARRAY_LPARRAY));
7207 mono_mb_emit_stloc (mb, conv_arg);
7210 guint32 label1, label2, label3;
7211 int index_var, src_var, dest_ptr, esize;
7212 MonoMarshalConv conv;
7213 gboolean is_string = FALSE;
7215 dest_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7217 eklass = klass->element_class;
7219 if (eklass == mono_defaults.string_class) {
7221 conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
7223 else if (eklass == mono_defaults.stringbuilder_class) {
7225 conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
7230 if (is_string && conv == -1) {
7231 char *msg = g_strdup_printf ("string/stringbuilder marshalling conversion %d not implemented", encoding);
7232 mono_mb_emit_exception_marshal_directive (mb, msg);
7236 src_var = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
7237 mono_mb_emit_ldarg (mb, argnum);
7239 mono_mb_emit_byte (mb, CEE_LDIND_I);
7240 mono_mb_emit_stloc (mb, src_var);
7243 mono_mb_emit_ldloc (mb, src_var);
7244 mono_mb_emit_stloc (mb, conv_arg);
7245 mono_mb_emit_ldloc (mb, src_var);
7246 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
7249 esize = sizeof (gpointer);
7250 else if (eklass == mono_defaults.char_class) /*can't call mono_marshal_type_size since it causes all sorts of asserts*/
7251 esize = mono_pinvoke_is_unicode (m->piinfo) ? 2 : 1;
7253 esize = mono_class_native_size (eklass, NULL);
7255 /* allocate space for the native struct and store the address */
7256 mono_mb_emit_icon (mb, esize);
7257 mono_mb_emit_ldloc (mb, src_var);
7258 mono_mb_emit_byte (mb, CEE_LDLEN);
7260 if (eklass == mono_defaults.string_class) {
7261 /* Make the array bigger for the terminating null */
7262 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
7263 mono_mb_emit_byte (mb, CEE_ADD);
7265 mono_mb_emit_byte (mb, CEE_MUL);
7266 mono_mb_emit_byte (mb, CEE_PREFIX1);
7267 mono_mb_emit_byte (mb, CEE_LOCALLOC);
7268 mono_mb_emit_stloc (mb, conv_arg);
7270 mono_mb_emit_ldloc (mb, conv_arg);
7271 mono_mb_emit_stloc (mb, dest_ptr);
7273 /* Emit marshalling loop */
7274 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7275 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7276 mono_mb_emit_stloc (mb, index_var);
7277 label2 = mono_mb_get_label (mb);
7278 mono_mb_emit_ldloc (mb, index_var);
7279 mono_mb_emit_ldloc (mb, src_var);
7280 mono_mb_emit_byte (mb, CEE_LDLEN);
7281 label3 = mono_mb_emit_branch (mb, CEE_BGE);
7283 /* Emit marshalling code */
7286 mono_mb_emit_ldloc (mb, dest_ptr);
7287 mono_mb_emit_ldloc (mb, src_var);
7288 mono_mb_emit_ldloc (mb, index_var);
7289 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
7290 mono_mb_emit_icall (mb, conv_to_icall (conv));
7291 mono_mb_emit_byte (mb, CEE_STIND_I);
7293 /* set the src_ptr */
7294 mono_mb_emit_ldloc (mb, src_var);
7295 mono_mb_emit_ldloc (mb, index_var);
7296 mono_mb_emit_op (mb, CEE_LDELEMA, eklass);
7297 mono_mb_emit_stloc (mb, 0);
7300 mono_mb_emit_ldloc (mb, dest_ptr);
7301 mono_mb_emit_stloc (mb, 1);
7303 /* emit valuetype conversion code */
7304 emit_struct_conv_full (mb, eklass, FALSE, eklass == mono_defaults.char_class ? encoding : -1);
7307 mono_mb_emit_add_to_local (mb, index_var, 1);
7308 mono_mb_emit_add_to_local (mb, dest_ptr, esize);
7310 mono_mb_emit_branch_label (mb, CEE_BR, label2);
7312 mono_mb_patch_branch (mb, label3);
7314 if (eklass == mono_defaults.string_class) {
7315 /* Null terminate */
7316 mono_mb_emit_ldloc (mb, dest_ptr);
7317 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7318 mono_mb_emit_byte (mb, CEE_STIND_REF);
7321 mono_mb_patch_branch (mb, label1);
7326 case MARSHAL_ACTION_CONV_OUT:
7327 /* Unicode character arrays are implicitly marshalled as [Out] under MS.NET */
7328 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);
7329 need_free = mono_marshal_need_free (&klass->element_class->byval_arg,
7332 if (need_convert || need_free) {
7333 /* FIXME: Optimize blittable case */
7335 guint32 label1, label2, label3;
7336 int index_var, src_ptr, loc, esize;
7338 eklass = klass->element_class;
7339 if ((eklass == mono_defaults.stringbuilder_class) || (eklass == mono_defaults.string_class))
7340 esize = sizeof (gpointer);
7341 else if (eklass == mono_defaults.char_class)
7342 esize = mono_pinvoke_is_unicode (m->piinfo) ? 2 : 1;
7344 esize = mono_class_native_size (eklass, NULL);
7345 src_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7346 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7349 mono_mb_emit_ldarg (mb, argnum);
7351 mono_mb_emit_byte (mb, CEE_LDIND_I);
7352 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
7354 mono_mb_emit_ldloc (mb, conv_arg);
7355 mono_mb_emit_stloc (mb, src_ptr);
7357 /* Emit marshalling loop */
7358 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7359 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7360 mono_mb_emit_stloc (mb, index_var);
7361 label2 = mono_mb_get_label (mb);
7362 mono_mb_emit_ldloc (mb, index_var);
7363 mono_mb_emit_ldarg (mb, argnum);
7365 mono_mb_emit_byte (mb, CEE_LDIND_REF);
7366 mono_mb_emit_byte (mb, CEE_LDLEN);
7367 label3 = mono_mb_emit_branch (mb, CEE_BGE);
7369 /* Emit marshalling code */
7371 if (eklass == mono_defaults.stringbuilder_class) {
7372 gboolean need_free2;
7373 MonoMarshalConv conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free2);
7375 g_assert (conv != -1);
7378 mono_mb_emit_ldarg (mb, argnum);
7380 mono_mb_emit_byte (mb, CEE_LDIND_I);
7381 mono_mb_emit_ldloc (mb, index_var);
7382 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
7385 mono_mb_emit_ldloc (mb, src_ptr);
7386 mono_mb_emit_byte (mb, CEE_LDIND_I);
7388 mono_mb_emit_icall (mb, conv_to_icall (conv));
7392 mono_mb_emit_ldloc (mb, src_ptr);
7393 mono_mb_emit_byte (mb, CEE_LDIND_I);
7395 mono_mb_emit_icall (mb, mono_marshal_free);
7398 else if (eklass == mono_defaults.string_class) {
7401 mono_mb_emit_ldloc (mb, src_ptr);
7402 mono_mb_emit_byte (mb, CEE_LDIND_I);
7404 mono_mb_emit_icall (mb, mono_marshal_free);
7409 /* set the src_ptr */
7410 mono_mb_emit_ldloc (mb, src_ptr);
7411 mono_mb_emit_stloc (mb, 0);
7414 mono_mb_emit_ldarg (mb, argnum);
7416 mono_mb_emit_byte (mb, CEE_LDIND_REF);
7417 mono_mb_emit_ldloc (mb, index_var);
7418 mono_mb_emit_op (mb, CEE_LDELEMA, eklass);
7419 mono_mb_emit_stloc (mb, 1);
7421 /* emit valuetype conversion code */
7422 emit_struct_conv_full (mb, eklass, TRUE, eklass == mono_defaults.char_class ? encoding : -1);
7426 mono_mb_emit_ldloc (mb, src_ptr);
7427 mono_mb_emit_stloc (mb, loc);
7428 mono_mb_emit_ldloc (mb, loc);
7430 emit_struct_free (mb, eklass, loc);
7434 mono_mb_emit_add_to_local (mb, index_var, 1);
7435 mono_mb_emit_add_to_local (mb, src_ptr, esize);
7437 mono_mb_emit_branch_label (mb, CEE_BR, label2);
7439 mono_mb_patch_branch (mb, label1);
7440 mono_mb_patch_branch (mb, label3);
7443 if (klass->element_class->blittable) {
7444 /* free memory allocated (if any) by MONO_MARSHAL_CONV_ARRAY_LPARRAY */
7446 mono_mb_emit_ldarg (mb, argnum);
7447 mono_mb_emit_ldloc (mb, conv_arg);
7448 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_FREE_LPARRAY));
7453 case MARSHAL_ACTION_PUSH:
7455 mono_mb_emit_ldloc_addr (mb, conv_arg);
7457 mono_mb_emit_ldloc (mb, conv_arg);
7460 case MARSHAL_ACTION_CONV_RESULT:
7461 /* fixme: we need conversions here */
7462 mono_mb_emit_stloc (mb, 3);
7465 case MARSHAL_ACTION_MANAGED_CONV_IN: {
7467 guint32 label1, label2, label3;
7468 int index_var, src_ptr, loc, esize, param_num, num_elem;
7469 MonoMarshalConv conv;
7470 gboolean is_string = FALSE;
7472 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
7473 *conv_arg_type = &mono_defaults.int_class->byval_arg;
7476 char *msg = g_strdup ("Byref array marshalling to managed code is not implemented.");
7477 mono_mb_emit_exception_marshal_directive (mb, msg);
7481 char *msg = g_strdup ("[MarshalAs] attribute required to marshal arrays to managed code.");
7482 mono_mb_emit_exception_marshal_directive (mb, msg);
7485 if (spec->native != MONO_NATIVE_LPARRAY) {
7486 char *msg = g_strdup ("Non LPArray marshalling of arrays to managed code is not implemented.");
7487 mono_mb_emit_exception_marshal_directive (mb, msg);
7491 /* FIXME: t is from the method which is wrapped, not the delegate type */
7492 /* g_assert (t->attrs & PARAM_ATTRIBUTE_IN); */
7494 param_num = spec->data.array_data.param_num;
7495 num_elem = spec->data.array_data.num_elem;
7496 if (spec->data.array_data.elem_mult == 0)
7497 /* param_num is not specified */
7500 if (param_num == -1) {
7501 if (num_elem <= 0) {
7502 char *msg = g_strdup ("Either SizeConst or SizeParamIndex should be specified when marshalling arrays to managed code.");
7503 mono_mb_emit_exception_marshal_directive (mb, msg);
7508 /* FIXME: Optimize blittable case */
7510 eklass = klass->element_class;
7511 if (eklass == mono_defaults.string_class) {
7513 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
7515 else if (eklass == mono_defaults.stringbuilder_class) {
7517 conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free);
7522 mono_marshal_load_type_info (eklass);
7525 esize = sizeof (gpointer);
7527 esize = mono_class_native_size (eklass, NULL);
7528 src_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7529 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7531 mono_mb_emit_byte (mb, CEE_LDNULL);
7532 mono_mb_emit_stloc (mb, conv_arg);
7534 /* Check param index */
7535 if (param_num != -1) {
7536 if (param_num >= m->sig->param_count) {
7537 char *msg = g_strdup ("Array size control parameter index is out of range.");
7538 mono_mb_emit_exception_marshal_directive (mb, msg);
7541 switch (m->sig->params [param_num]->type) {
7554 char *msg = g_strdup ("Array size control parameter must be an integral type.");
7555 mono_mb_emit_exception_marshal_directive (mb, msg);
7562 mono_mb_emit_ldarg (mb, argnum);
7563 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
7565 mono_mb_emit_ldarg (mb, argnum);
7566 mono_mb_emit_stloc (mb, src_ptr);
7568 /* Create managed array */
7570 * The LPArray marshalling spec says that sometimes param_num starts
7571 * from 1, sometimes it starts from 0. But MS seems to allways start
7575 if (param_num == -1) {
7576 mono_mb_emit_icon (mb, num_elem);
7578 mono_mb_emit_ldarg (mb, param_num);
7580 mono_mb_emit_icon (mb, num_elem);
7581 mono_mb_emit_byte (mb, CEE_ADD);
7583 mono_mb_emit_byte (mb, CEE_CONV_OVF_I);
7586 mono_mb_emit_op (mb, CEE_NEWARR, eklass);
7587 mono_mb_emit_stloc (mb, conv_arg);
7589 if (eklass->blittable) {
7590 mono_mb_emit_ldloc (mb, conv_arg);
7591 mono_mb_emit_byte (mb, CEE_CONV_I);
7592 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArray, vector));
7593 mono_mb_emit_byte (mb, CEE_ADD);
7594 mono_mb_emit_ldarg (mb, argnum);
7595 mono_mb_emit_ldloc (mb, conv_arg);
7596 mono_mb_emit_byte (mb, CEE_LDLEN);
7597 mono_mb_emit_icon (mb, esize);
7598 mono_mb_emit_byte (mb, CEE_MUL);
7599 mono_mb_emit_byte (mb, CEE_PREFIX1);
7600 mono_mb_emit_byte (mb, CEE_CPBLK);
7604 /* Emit marshalling loop */
7605 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7606 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7607 mono_mb_emit_stloc (mb, index_var);
7608 label2 = mono_mb_get_label (mb);
7609 mono_mb_emit_ldloc (mb, index_var);
7610 mono_mb_emit_ldloc (mb, conv_arg);
7611 mono_mb_emit_byte (mb, CEE_LDLEN);
7612 label3 = mono_mb_emit_branch (mb, CEE_BGE);
7614 /* Emit marshalling code */
7616 g_assert (conv != -1);
7618 mono_mb_emit_ldloc (mb, conv_arg);
7619 mono_mb_emit_ldloc (mb, index_var);
7621 mono_mb_emit_ldloc (mb, src_ptr);
7622 mono_mb_emit_byte (mb, CEE_LDIND_I);
7624 mono_mb_emit_icall (mb, conv_to_icall (conv));
7625 mono_mb_emit_byte (mb, CEE_STELEM_REF);
7628 char *msg = g_strdup ("Marshalling of non-string and non-blittable arrays to managed code is not implemented.");
7629 mono_mb_emit_exception_marshal_directive (mb, msg);
7633 mono_mb_emit_add_to_local (mb, index_var, 1);
7634 mono_mb_emit_add_to_local (mb, src_ptr, esize);
7636 mono_mb_emit_branch_label (mb, CEE_BR, label2);
7638 mono_mb_patch_branch (mb, label1);
7639 mono_mb_patch_branch (mb, label3);
7643 case MARSHAL_ACTION_MANAGED_CONV_OUT: {
7645 guint32 label1, label2, label3;
7646 int index_var, dest_ptr, loc, esize, param_num, num_elem;
7647 MonoMarshalConv conv;
7648 gboolean is_string = FALSE;
7651 /* Already handled in CONV_IN */
7654 /* These are already checked in CONV_IN */
7655 g_assert (!t->byref);
7656 g_assert (spec->native == MONO_NATIVE_LPARRAY);
7657 g_assert (t->attrs & PARAM_ATTRIBUTE_OUT);
7659 param_num = spec->data.array_data.param_num;
7660 num_elem = spec->data.array_data.num_elem;
7662 if (spec->data.array_data.elem_mult == 0)
7663 /* param_num is not specified */
7666 if (param_num == -1) {
7667 if (num_elem <= 0) {
7668 g_assert_not_reached ();
7672 /* FIXME: Optimize blittable case */
7674 eklass = klass->element_class;
7675 if (eklass == mono_defaults.string_class) {
7677 conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
7679 else if (eklass == mono_defaults.stringbuilder_class) {
7681 conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
7686 mono_marshal_load_type_info (eklass);
7689 esize = sizeof (gpointer);
7691 esize = mono_class_native_size (eklass, NULL);
7693 dest_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7694 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7697 mono_mb_emit_ldloc (mb, conv_arg);
7698 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
7700 mono_mb_emit_ldarg (mb, argnum);
7701 mono_mb_emit_stloc (mb, dest_ptr);
7703 if (eklass->blittable) {
7705 mono_mb_emit_ldarg (mb, argnum);
7707 mono_mb_emit_ldloc (mb, conv_arg);
7708 mono_mb_emit_byte (mb, CEE_CONV_I);
7709 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArray, vector));
7710 mono_mb_emit_byte (mb, CEE_ADD);
7712 mono_mb_emit_ldloc (mb, conv_arg);
7713 mono_mb_emit_byte (mb, CEE_LDLEN);
7714 mono_mb_emit_icon (mb, esize);
7715 mono_mb_emit_byte (mb, CEE_MUL);
7716 mono_mb_emit_byte (mb, CEE_PREFIX1);
7717 mono_mb_emit_byte (mb, CEE_CPBLK);
7721 /* Emit marshalling loop */
7722 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7723 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7724 mono_mb_emit_stloc (mb, index_var);
7725 label2 = mono_mb_get_label (mb);
7726 mono_mb_emit_ldloc (mb, index_var);
7727 mono_mb_emit_ldloc (mb, conv_arg);
7728 mono_mb_emit_byte (mb, CEE_LDLEN);
7729 label3 = mono_mb_emit_branch (mb, CEE_BGE);
7731 /* Emit marshalling code */
7733 g_assert (conv != -1);
7736 mono_mb_emit_ldloc (mb, dest_ptr);
7739 mono_mb_emit_ldloc (mb, conv_arg);
7740 mono_mb_emit_ldloc (mb, index_var);
7742 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
7744 mono_mb_emit_icall (mb, conv_to_icall (conv));
7745 mono_mb_emit_byte (mb, CEE_STIND_I);
7748 char *msg = g_strdup ("Marshalling of non-string and non-blittable arrays to managed code is not implemented.");
7749 mono_mb_emit_exception_marshal_directive (mb, msg);
7753 mono_mb_emit_add_to_local (mb, index_var, 1);
7754 mono_mb_emit_add_to_local (mb, dest_ptr, esize);
7756 mono_mb_emit_branch_label (mb, CEE_BR, label2);
7758 mono_mb_patch_branch (mb, label1);
7759 mono_mb_patch_branch (mb, label3);
7763 case MARSHAL_ACTION_MANAGED_CONV_RESULT: {
7765 guint32 label1, label2, label3;
7766 int index_var, src, dest, esize;
7767 MonoMarshalConv conv = -1;
7768 gboolean is_string = FALSE;
7770 g_assert (!t->byref);
7772 eklass = klass->element_class;
7774 mono_marshal_load_type_info (eklass);
7776 if (eklass == mono_defaults.string_class) {
7778 conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
7781 g_assert_not_reached ();
7785 esize = sizeof (gpointer);
7786 else if (eklass == mono_defaults.char_class)
7787 esize = mono_pinvoke_is_unicode (m->piinfo) ? 2 : 1;
7789 esize = mono_class_native_size (eklass, NULL);
7791 src = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
7792 dest = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7794 mono_mb_emit_stloc (mb, src);
7795 mono_mb_emit_ldloc (mb, src);
7796 mono_mb_emit_stloc (mb, 3);
7798 /* Check for null */
7799 mono_mb_emit_ldloc (mb, src);
7800 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
7802 /* Allocate native array */
7803 mono_mb_emit_icon (mb, esize);
7804 mono_mb_emit_ldloc (mb, src);
7805 mono_mb_emit_byte (mb, CEE_LDLEN);
7807 if (eklass == mono_defaults.string_class) {
7808 /* Make the array bigger for the terminating null */
7809 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
7810 mono_mb_emit_byte (mb, CEE_ADD);
7812 mono_mb_emit_byte (mb, CEE_MUL);
7813 mono_mb_emit_icall (mb, mono_marshal_alloc);
7814 mono_mb_emit_stloc (mb, dest);
7815 mono_mb_emit_ldloc (mb, dest);
7816 mono_mb_emit_stloc (mb, 3);
7818 /* Emit marshalling loop */
7819 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7820 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7821 mono_mb_emit_stloc (mb, index_var);
7822 label2 = mono_mb_get_label (mb);
7823 mono_mb_emit_ldloc (mb, index_var);
7824 mono_mb_emit_ldloc (mb, src);
7825 mono_mb_emit_byte (mb, CEE_LDLEN);
7826 label3 = mono_mb_emit_branch (mb, CEE_BGE);
7828 /* Emit marshalling code */
7830 g_assert (conv != -1);
7833 mono_mb_emit_ldloc (mb, dest);
7836 mono_mb_emit_ldloc (mb, src);
7837 mono_mb_emit_ldloc (mb, index_var);
7839 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
7841 mono_mb_emit_icall (mb, conv_to_icall (conv));
7842 mono_mb_emit_byte (mb, CEE_STIND_I);
7845 char *msg = g_strdup ("Marshalling of non-string arrays to managed code is not implemented.");
7846 mono_mb_emit_exception_marshal_directive (mb, msg);
7850 mono_mb_emit_add_to_local (mb, index_var, 1);
7851 mono_mb_emit_add_to_local (mb, dest, esize);
7853 mono_mb_emit_branch_label (mb, CEE_BR, label2);
7855 mono_mb_patch_branch (mb, label3);
7856 mono_mb_patch_branch (mb, label1);
7860 g_assert_not_reached ();
7867 emit_marshal_boolean (EmitMarshalContext *m, int argnum, MonoType *t,
7868 MonoMarshalSpec *spec,
7869 int conv_arg, MonoType **conv_arg_type,
7870 MarshalAction action)
7872 MonoMethodBuilder *mb = m->mb;
7875 case MARSHAL_ACTION_CONV_IN: {
7876 MonoType *local_type;
7878 guint8 ldc_op = CEE_LDC_I4_1;
7881 local_type = &mono_defaults.int32_class->byval_arg;
7883 switch (spec->native) {
7884 case MONO_NATIVE_I1:
7885 case MONO_NATIVE_U1:
7886 local_type = &mono_defaults.byte_class->byval_arg;
7888 case MONO_NATIVE_VARIANTBOOL:
7889 local_type = &mono_defaults.int16_class->byval_arg;
7890 ldc_op = CEE_LDC_I4_M1;
7892 case MONO_NATIVE_BOOLEAN:
7893 local_type = &mono_defaults.int32_class->byval_arg;
7896 g_warning ("marshalling bool as native type %x is currently not supported", spec->native);
7897 local_type = &mono_defaults.int32_class->byval_arg;
7902 *conv_arg_type = &mono_defaults.int_class->byval_arg;
7904 *conv_arg_type = local_type;
7905 conv_arg = mono_mb_add_local (mb, local_type);
7907 mono_mb_emit_ldarg (mb, argnum);
7909 mono_mb_emit_byte (mb, CEE_LDIND_I1);
7910 label_false = mono_mb_emit_branch (mb, CEE_BRFALSE);
7911 mono_mb_emit_byte (mb, ldc_op);
7912 mono_mb_emit_stloc (mb, conv_arg);
7913 mono_mb_patch_branch (mb, label_false);
7918 case MARSHAL_ACTION_CONV_OUT:
7920 int label_false, label_end;
7924 mono_mb_emit_ldarg (mb, argnum);
7925 mono_mb_emit_ldloc (mb, conv_arg);
7927 label_false = mono_mb_emit_branch (mb, CEE_BRFALSE);
7928 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
7930 label_end = mono_mb_emit_branch (mb, CEE_BR);
7931 mono_mb_patch_branch (mb, label_false);
7932 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7933 mono_mb_patch_branch (mb, label_end);
7935 mono_mb_emit_byte (mb, CEE_STIND_I1);
7939 case MARSHAL_ACTION_PUSH:
7941 mono_mb_emit_ldloc_addr (mb, conv_arg);
7943 mono_mb_emit_ldloc (mb, conv_arg);
7945 mono_mb_emit_ldarg (mb, argnum);
7948 case MARSHAL_ACTION_CONV_RESULT:
7949 /* maybe we need to make sure that it fits within 8 bits */
7950 mono_mb_emit_stloc (mb, 3);
7953 case MARSHAL_ACTION_MANAGED_CONV_IN: {
7954 MonoClass* conv_arg_class = mono_defaults.int32_class;
7955 guint8 ldop = CEE_LDIND_I4;
7956 int label_null, label_false;
7958 conv_arg = mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
7961 switch (spec->native) {
7962 case MONO_NATIVE_I1:
7963 case MONO_NATIVE_U1:
7964 conv_arg_class = mono_defaults.byte_class;
7965 ldop = CEE_LDIND_I1;
7967 case MONO_NATIVE_VARIANTBOOL:
7968 conv_arg_class = mono_defaults.int16_class;
7969 ldop = CEE_LDIND_I2;
7971 case MONO_NATIVE_BOOLEAN:
7974 g_warning ("marshalling bool as native type %x is currently not supported", spec->native);
7979 *conv_arg_type = &conv_arg_class->this_arg;
7981 *conv_arg_type = &conv_arg_class->byval_arg;
7984 mono_mb_emit_ldarg (mb, argnum);
7988 label_null = mono_mb_emit_branch (mb, CEE_BRFALSE);
7989 mono_mb_emit_ldarg (mb, argnum);
7990 mono_mb_emit_byte (mb, ldop);
7994 label_false = mono_mb_emit_branch (mb, CEE_BRFALSE);
7995 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
7996 mono_mb_emit_stloc (mb, conv_arg);
7997 mono_mb_patch_branch (mb, label_false);
8000 mono_mb_patch_branch (mb, label_null);
8004 case MARSHAL_ACTION_MANAGED_CONV_OUT: {
8005 guint8 stop = CEE_STIND_I4;
8006 guint8 ldc_op = CEE_LDC_I4_1;
8007 int label_null,label_false, label_end;;
8012 switch (spec->native) {
8013 case MONO_NATIVE_I1:
8014 case MONO_NATIVE_U1:
8015 stop = CEE_STIND_I1;
8017 case MONO_NATIVE_VARIANTBOOL:
8018 stop = CEE_STIND_I2;
8019 ldc_op = CEE_LDC_I4_M1;
8027 mono_mb_emit_ldarg (mb, argnum);
8028 label_null = mono_mb_emit_branch (mb, CEE_BRFALSE);
8030 mono_mb_emit_ldarg (mb, argnum);
8031 mono_mb_emit_ldloc (mb, conv_arg);
8033 label_false = mono_mb_emit_branch (mb, CEE_BRFALSE);
8034 mono_mb_emit_byte (mb, ldc_op);
8035 label_end = mono_mb_emit_branch (mb, CEE_BR);
8037 mono_mb_patch_branch (mb, label_false);
8038 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
8039 mono_mb_patch_branch (mb, label_end);
8041 mono_mb_emit_byte (mb, stop);
8042 mono_mb_patch_branch (mb, label_null);
8047 g_assert_not_reached ();
8054 emit_marshal_ptr (EmitMarshalContext *m, int argnum, MonoType *t,
8055 MonoMarshalSpec *spec, int conv_arg,
8056 MonoType **conv_arg_type, MarshalAction action)
8058 MonoMethodBuilder *mb = m->mb;
8061 case MARSHAL_ACTION_CONV_IN:
8062 /* MS seems to allow this in some cases, ie. bxc #158 */
8064 if (MONO_TYPE_ISSTRUCT (t->data.type) && !mono_class_from_mono_type (t->data.type)->blittable) {
8065 char *msg = g_strdup_printf ("Can not marshal 'parameter #%d': Pointers can not reference marshaled structures. Use byref instead.", argnum + 1);
8066 mono_mb_emit_exception_marshal_directive (m->mb, msg);
8071 case MARSHAL_ACTION_PUSH:
8072 mono_mb_emit_ldarg (mb, argnum);
8075 case MARSHAL_ACTION_CONV_RESULT:
8076 /* no conversions necessary */
8077 mono_mb_emit_stloc (mb, 3);
8088 emit_marshal_char (EmitMarshalContext *m, int argnum, MonoType *t,
8089 MonoMarshalSpec *spec, int conv_arg,
8090 MonoType **conv_arg_type, MarshalAction action)
8092 MonoMethodBuilder *mb = m->mb;
8095 case MARSHAL_ACTION_PUSH:
8096 /* fixme: dont know how to marshal that. We cant simply
8097 * convert it to a one byte UTF8 character, because an
8098 * unicode character may need more that one byte in UTF8 */
8099 mono_mb_emit_ldarg (mb, argnum);
8102 case MARSHAL_ACTION_CONV_RESULT:
8103 /* fixme: we need conversions here */
8104 mono_mb_emit_stloc (mb, 3);
8115 emit_marshal_scalar (EmitMarshalContext *m, int argnum, MonoType *t,
8116 MonoMarshalSpec *spec, int conv_arg,
8117 MonoType **conv_arg_type, MarshalAction action)
8119 MonoMethodBuilder *mb = m->mb;
8122 case MARSHAL_ACTION_PUSH:
8123 mono_mb_emit_ldarg (mb, argnum);
8126 case MARSHAL_ACTION_CONV_RESULT:
8127 /* no conversions necessary */
8128 mono_mb_emit_stloc (mb, 3);
8139 emit_marshal (EmitMarshalContext *m, int argnum, MonoType *t,
8140 MonoMarshalSpec *spec, int conv_arg,
8141 MonoType **conv_arg_type, MarshalAction action)
8143 /* Ensure that we have marshalling info for this param */
8144 mono_marshal_load_type_info (mono_class_from_mono_type (t));
8146 if (spec && spec->native == MONO_NATIVE_CUSTOM)
8147 return emit_marshal_custom (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8149 if (spec && spec->native == MONO_NATIVE_ASANY)
8150 return emit_marshal_asany (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8153 case MONO_TYPE_VALUETYPE:
8154 if (t->data.klass == mono_defaults.handleref_class)
8155 return emit_marshal_handleref (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8157 return emit_marshal_vtype (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8158 case MONO_TYPE_STRING:
8159 return emit_marshal_string (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8160 case MONO_TYPE_CLASS:
8161 case MONO_TYPE_OBJECT:
8163 if (spec && spec->native == MONO_NATIVE_STRUCT)
8164 return emit_marshal_variant (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8166 if (spec && (spec->native == MONO_NATIVE_IUNKNOWN ||
8167 spec->native == MONO_NATIVE_IDISPATCH ||
8168 spec->native == MONO_NATIVE_INTERFACE))
8169 return mono_cominterop_emit_marshal_com_interface (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8170 if (spec && (spec->native == MONO_NATIVE_SAFEARRAY) &&
8171 (spec->data.safearray_data.elem_type == MONO_VARIANT_VARIANT) &&
8172 ((action == MARSHAL_ACTION_CONV_OUT) || (action == MARSHAL_ACTION_CONV_IN) || (action == MARSHAL_ACTION_PUSH)))
8173 return mono_cominterop_emit_marshal_safearray (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8176 if (mono_defaults.safehandle_class != NULL && t->data.klass &&
8177 mono_class_is_subclass_of (t->data.klass, mono_defaults.safehandle_class, FALSE))
8178 return emit_marshal_safehandle (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8180 return emit_marshal_object (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8181 case MONO_TYPE_ARRAY:
8182 case MONO_TYPE_SZARRAY:
8183 return emit_marshal_array (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8184 case MONO_TYPE_BOOLEAN:
8185 return emit_marshal_boolean (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8187 return emit_marshal_ptr (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8188 case MONO_TYPE_CHAR:
8189 return emit_marshal_char (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8202 case MONO_TYPE_FNPTR:
8203 return emit_marshal_scalar (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8204 case MONO_TYPE_GENERICINST:
8205 if (mono_type_generic_inst_is_valuetype (t))
8206 return emit_marshal_vtype (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8208 return emit_marshal_object (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8215 * mono_marshal_emit_native_wrapper:
8216 * @image: the image to use for looking up custom marshallers
8217 * @sig: The signature of the native function
8218 * @piinfo: Marshalling information
8219 * @mspecs: Marshalling information
8220 * @aot: whenever the created method will be compiled by the AOT compiler
8221 * @method: if non-NULL, the pinvoke method to call
8222 * @check_exceptions: Whenever to check for pending exceptions after the native call
8223 * @func_param: the function to call is passed as a boxed IntPtr as the first parameter
8225 * generates IL code for the pinvoke wrapper, the generated code calls @func.
8228 mono_marshal_emit_native_wrapper (MonoImage *image, MonoMethodBuilder *mb, MonoMethodSignature *sig, MonoMethodPInvoke *piinfo, MonoMarshalSpec **mspecs, gpointer func, gboolean aot, gboolean check_exceptions, gboolean func_param)
8230 EmitMarshalContext m;
8231 MonoMethodSignature *csig;
8233 int i, argnum, *tmp_locals;
8234 int type, param_shift = 0;
8235 static MonoMethodSignature *get_last_error_sig = NULL;
8240 /* we copy the signature, so that we can set pinvoke to 0 */
8242 /* The function address is passed as the first argument */
8243 g_assert (!sig->hasthis);
8246 csig = signature_dup (mb->method->klass->image, sig);
8254 /* we allocate local for use with emit_struct_conv() */
8255 /* allocate local 0 (pointer) src_ptr */
8256 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8257 /* allocate local 1 (pointer) dst_ptr */
8258 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8259 /* allocate local 2 (boolean) delete_old */
8260 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
8262 /* delete_old = FALSE */
8263 mono_mb_emit_icon (mb, 0);
8264 mono_mb_emit_stloc (mb, 2);
8266 if (!MONO_TYPE_IS_VOID(sig->ret)) {
8267 /* allocate local 3 to store the return value */
8268 mono_mb_add_local (mb, sig->ret);
8271 if (mspecs [0] && mspecs [0]->native == MONO_NATIVE_CUSTOM) {
8272 /* Return type custom marshaling */
8274 * Since we can't determine the return type of the unmanaged function,
8275 * we assume it returns a pointer, and pass that pointer to
8276 * MarshalNativeToManaged.
8278 csig->ret = &mono_defaults.int_class->byval_arg;
8281 /* we first do all conversions */
8282 tmp_locals = alloca (sizeof (int) * sig->param_count);
8283 m.orig_conv_args = alloca (sizeof (int) * (sig->param_count + 1));
8285 for (i = 0; i < sig->param_count; i ++) {
8286 tmp_locals [i] = emit_marshal (&m, i + param_shift, sig->params [i], mspecs [i + 1], 0, &csig->params [i], MARSHAL_ACTION_CONV_IN);
8289 /* push all arguments */
8292 mono_mb_emit_byte (mb, CEE_LDARG_0);
8294 for (i = 0; i < sig->param_count; i++) {
8295 emit_marshal (&m, i + param_shift, sig->params [i], mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_PUSH);
8298 /* call the native method */
8300 mono_mb_emit_byte (mb, CEE_LDARG_0);
8301 mono_mb_emit_op (mb, CEE_UNBOX, mono_defaults.int_class);
8302 mono_mb_emit_byte (mb, CEE_LDIND_I);
8303 mono_mb_emit_calli (mb, csig);
8304 } else if (MONO_CLASS_IS_IMPORT (mb->method->klass)) {
8306 mono_mb_emit_cominterop_call (mb, csig, &piinfo->method);
8308 g_assert_not_reached ();
8313 /* Reuse the ICALL_ADDR opcode for pinvokes too */
8314 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
8315 mono_mb_emit_op (mb, CEE_MONO_ICALL_ADDR, &piinfo->method);
8316 mono_mb_emit_calli (mb, csig);
8318 mono_mb_emit_native_call (mb, csig, func);
8322 /* Set LastError if needed */
8323 if (piinfo->piflags & PINVOKE_ATTRIBUTE_SUPPORTS_LAST_ERROR) {
8324 if (!get_last_error_sig) {
8325 get_last_error_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
8326 get_last_error_sig->ret = &mono_defaults.int_class->byval_arg;
8327 get_last_error_sig->pinvoke = 1;
8332 * Have to call GetLastError () early and without a wrapper, since various runtime components could
8333 * clobber its value.
8335 mono_mb_emit_native_call (mb, get_last_error_sig, GetLastError);
8336 mono_mb_emit_icall (mb, mono_marshal_set_last_error_windows);
8338 mono_mb_emit_icall (mb, mono_marshal_set_last_error);
8342 /* convert the result */
8343 if (!sig->ret->byref) {
8344 MonoMarshalSpec *spec = mspecs [0];
8345 type = sig->ret->type;
8347 if (spec && spec->native == MONO_NATIVE_CUSTOM) {
8348 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
8353 case MONO_TYPE_VOID:
8355 case MONO_TYPE_VALUETYPE:
8356 klass = sig->ret->data.klass;
8357 if (klass->enumtype) {
8358 type = mono_class_enum_basetype (sig->ret->data.klass)->type;
8361 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
8375 case MONO_TYPE_FNPTR:
8376 case MONO_TYPE_STRING:
8377 case MONO_TYPE_CLASS:
8378 case MONO_TYPE_OBJECT:
8379 case MONO_TYPE_BOOLEAN:
8380 case MONO_TYPE_ARRAY:
8381 case MONO_TYPE_SZARRAY:
8382 case MONO_TYPE_CHAR:
8384 case MONO_TYPE_GENERICINST:
8385 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
8387 case MONO_TYPE_TYPEDBYREF:
8389 g_warning ("return type 0x%02x unknown", sig->ret->type);
8390 g_assert_not_reached ();
8394 mono_mb_emit_stloc (mb, 3);
8398 * Need to call this after converting the result since MONO_VTADDR needs
8399 * to be adjacent to the call instruction.
8401 if (check_exceptions)
8402 emit_thread_interrupt_checkpoint (mb);
8404 /* we need to convert byref arguments back and free string arrays */
8405 for (i = 0; i < sig->param_count; i++) {
8406 MonoType *t = sig->params [i];
8407 MonoMarshalSpec *spec = mspecs [i + 1];
8409 argnum = i + param_shift;
8411 if (spec && ((spec->native == MONO_NATIVE_CUSTOM) || (spec->native == MONO_NATIVE_ASANY))) {
8412 emit_marshal (&m, argnum, t, spec, tmp_locals [i], NULL, MARSHAL_ACTION_CONV_OUT);
8417 case MONO_TYPE_STRING:
8418 case MONO_TYPE_VALUETYPE:
8419 case MONO_TYPE_CLASS:
8420 case MONO_TYPE_OBJECT:
8421 case MONO_TYPE_SZARRAY:
8422 case MONO_TYPE_BOOLEAN:
8423 emit_marshal (&m, argnum, t, spec, tmp_locals [i], NULL, MARSHAL_ACTION_CONV_OUT);
8428 if (!MONO_TYPE_IS_VOID(sig->ret))
8429 mono_mb_emit_ldloc (mb, 3);
8431 mono_mb_emit_byte (mb, CEE_RET);
8434 G_GNUC_UNUSED static void
8435 code_for (MonoMethod *method) {
8436 MonoMethodHeader *header = mono_method_get_header (method);
8437 printf ("CODE FOR %s: \n%s.\n", mono_method_full_name (method, TRUE), mono_disasm_code (0, method, header->code, header->code + header->code_size));
8441 * mono_marshal_get_native_wrapper:
8442 * @method: The MonoMethod to wrap.
8443 * @check_exceptions: Whenever to check for pending exceptions
8445 * generates IL code for the pinvoke wrapper (the generated method
8446 * calls the unmanaged code in piinfo->addr)
8447 * The wrapper info for the wrapper is a WrapperInfo structure.
8450 mono_marshal_get_native_wrapper (MonoMethod *method, gboolean check_exceptions, gboolean aot)
8452 MonoMethodSignature *sig, *csig;
8453 MonoMethodPInvoke *piinfo = (MonoMethodPInvoke *) method;
8454 MonoMethodBuilder *mb;
8455 MonoMarshalSpec **mspecs;
8458 gboolean pinvoke = FALSE;
8461 const char *exc_class = "MissingMethodException";
8462 const char *exc_arg = NULL;
8465 g_assert (method != NULL);
8466 g_assert (mono_method_signature (method)->pinvoke);
8469 cache = get_cache (&method->klass->image->native_wrapper_aot_cache, mono_aligned_addr_hash, NULL);
8471 cache = get_cache (&method->klass->image->native_wrapper_cache, mono_aligned_addr_hash, NULL);
8472 if ((res = mono_marshal_find_in_cache (cache, method)))
8475 if (MONO_CLASS_IS_IMPORT (method->klass)) {
8477 return mono_cominterop_get_native_wrapper (method);
8479 g_assert_not_reached ();
8483 sig = mono_method_signature (method);
8485 if (!(method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
8486 (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL))
8489 if (!piinfo->addr) {
8491 if (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)
8492 exc_arg = "Method contains unsupported native code";
8494 mono_lookup_pinvoke_call (method, &exc_class, &exc_arg);
8496 piinfo->addr = mono_lookup_internal_call (method);
8499 /* hack - redirect certain string constructors to CreateString */
8500 if (piinfo->addr == ves_icall_System_String_ctor_RedirectToCreateString) {
8501 g_assert (!pinvoke);
8502 g_assert (method->string_ctor);
8503 g_assert (sig->hasthis);
8505 /* CreateString returns a value */
8506 csig = signature_dup (method->klass->image, sig);
8507 csig->ret = &mono_defaults.string_class->byval_arg;
8511 while ((res = mono_class_get_methods (mono_defaults.string_class, &iter))) {
8512 if (!strcmp ("CreateString", res->name) &&
8513 mono_metadata_signature_equal (csig, mono_method_signature (res))) {
8516 g_assert (!(res->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL));
8517 g_assert (!(res->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL));
8519 /* create a wrapper to preserve .ctor in stack trace */
8520 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_MANAGED_TO_MANAGED);
8522 mono_mb_emit_byte (mb, CEE_LDARG_0);
8523 for (i = 1; i <= csig->param_count; i++)
8524 mono_mb_emit_ldarg (mb, i);
8525 mono_mb_emit_managed_call (mb, res, NULL);
8526 mono_mb_emit_byte (mb, CEE_RET);
8528 /* use native_wrapper_cache because internal calls are looked up there */
8529 res = mono_mb_create_and_cache (cache, method,
8530 mb, csig, csig->param_count + 1);
8534 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_STRING_CTOR);
8535 info->d.string_ctor.method = method;
8537 mono_marshal_set_wrapper_info (res, info);
8543 /* exception will be thrown */
8544 piinfo->addr = NULL;
8545 g_warning ("cannot find CreateString for .ctor");
8548 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_MANAGED_TO_NATIVE);
8550 mb->method->save_lmf = 1;
8553 * In AOT mode and embedding scenarios, it is possible that the icall is not
8554 * registered in the runtime doing the AOT compilation.
8556 if (!piinfo->addr && !aot) {
8557 mono_mb_emit_exception (mb, exc_class, exc_arg);
8558 csig = signature_dup (method->klass->image, sig);
8560 res = mono_mb_create_and_cache (cache, method,
8561 mb, csig, csig->param_count + 16);
8566 /* internal calls: we simply push all arguments and call the method (no conversions) */
8567 if (method->iflags & (METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL | METHOD_IMPL_ATTRIBUTE_RUNTIME)) {
8569 csig = signature_dup_add_this (method->klass->image, sig, method->klass);
8571 csig = signature_dup (method->klass->image, sig);
8573 /* hack - string constructors returns a value */
8574 if (method->string_ctor)
8575 csig->ret = &mono_defaults.string_class->byval_arg;
8581 * Add a null check since public icalls can be called with 'call' which
8582 * does no such check.
8584 mono_mb_emit_byte (mb, CEE_LDARG_0);
8585 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
8586 mono_mb_emit_exception (mb, "NullReferenceException", NULL);
8587 mono_mb_patch_branch (mb, pos);
8589 mono_mb_emit_byte (mb, CEE_LDARG_0);
8592 for (i = 0; i < sig->param_count; i++)
8593 mono_mb_emit_ldarg (mb, i + sig->hasthis);
8596 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
8597 mono_mb_emit_op (mb, CEE_MONO_ICALL_ADDR, &piinfo->method);
8598 mono_mb_emit_calli (mb, csig);
8600 g_assert (piinfo->addr);
8601 mono_mb_emit_native_call (mb, csig, piinfo->addr);
8603 if (check_exceptions)
8604 emit_thread_interrupt_checkpoint (mb);
8605 mono_mb_emit_byte (mb, CEE_RET);
8607 csig = signature_dup (method->klass->image, csig);
8609 res = mono_mb_create_and_cache (cache, method,
8610 mb, csig, csig->param_count + 16);
8612 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_NONE);
8613 info->d.managed_to_native.method = method;
8614 mono_marshal_set_wrapper_info (res, info);
8622 g_assert (piinfo->addr);
8624 mspecs = g_new (MonoMarshalSpec*, sig->param_count + 1);
8625 mono_method_get_marshal_info (method, mspecs);
8627 mono_marshal_emit_native_wrapper (mb->method->klass->image, mb, sig, piinfo, mspecs, piinfo->addr, aot, check_exceptions, FALSE);
8629 csig = signature_dup (method->klass->image, sig);
8631 res = mono_mb_create_and_cache (cache, method,
8632 mb, csig, csig->param_count + 16);
8635 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_NONE);
8636 info->d.managed_to_native.method = method;
8637 mono_marshal_set_wrapper_info (res, info);
8639 for (i = sig->param_count; i >= 0; i--)
8641 mono_metadata_free_marshal_spec (mspecs [i]);
8644 /* code_for (res); */
8650 * mono_marshal_get_native_func_wrapper:
8651 * @image: The image to use for memory allocation and for looking up custom marshallers.
8652 * @sig: The signature of the function
8653 * @func: The native function to wrap
8655 * Returns a wrapper method around native functions, similar to the pinvoke
8659 mono_marshal_get_native_func_wrapper (MonoImage *image, MonoMethodSignature *sig,
8660 MonoMethodPInvoke *piinfo, MonoMarshalSpec **mspecs, gpointer func)
8662 MonoMethodSignature *csig;
8664 MonoMethodBuilder *mb;
8669 cache = get_cache (&image->native_wrapper_cache, mono_aligned_addr_hash, NULL);
8670 if ((res = mono_marshal_find_in_cache (cache, func)))
8673 name = g_strdup_printf ("wrapper_native_%p", func);
8674 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_MANAGED_TO_NATIVE);
8675 mb->method->save_lmf = 1;
8677 mono_marshal_emit_native_wrapper (image, mb, sig, piinfo, mspecs, func, FALSE, TRUE, FALSE);
8679 csig = signature_dup (image, sig);
8681 res = mono_mb_create_and_cache (cache, func,
8682 mb, csig, csig->param_count + 16);
8685 mono_marshal_set_wrapper_info (res, NULL);
8691 * The wrapper receives the native function as a boxed IntPtr as its 'this' argument. This is easier to support in
8695 mono_marshal_get_native_func_wrapper_aot (MonoClass *klass)
8697 MonoMethodSignature *sig, *csig;
8698 MonoMethodBuilder *mb;
8703 MonoMethodPInvoke mpiinfo;
8704 MonoMethodPInvoke *piinfo = &mpiinfo;
8705 MonoMarshalSpec **mspecs;
8706 MonoMethod *invoke = mono_get_delegate_invoke (klass);
8707 MonoImage *image = invoke->klass->image;
8710 // FIXME: include UnmanagedFunctionPointerAttribute info
8713 * The wrapper is associated with the delegate type, to pick up the marshalling info etc.
8715 cache = get_cache (&image->native_func_wrapper_aot_cache, mono_aligned_addr_hash, NULL);
8716 if ((res = mono_marshal_find_in_cache (cache, invoke)))
8719 memset (&mpiinfo, 0, sizeof (mpiinfo));
8720 parse_unmanaged_function_pointer_attr (klass, &mpiinfo);
8722 mspecs = g_new0 (MonoMarshalSpec*, mono_method_signature (invoke)->param_count + 1);
8723 mono_method_get_marshal_info (invoke, mspecs);
8724 /* Freed below so don't alloc from mempool */
8725 sig = mono_metadata_signature_dup (mono_method_signature (invoke));
8728 name = g_strdup_printf ("wrapper_aot_native");
8729 mb = mono_mb_new (invoke->klass, name, MONO_WRAPPER_MANAGED_TO_NATIVE);
8730 mb->method->save_lmf = 1;
8732 mono_marshal_emit_native_wrapper (image, mb, sig, piinfo, mspecs, NULL, FALSE, TRUE, TRUE);
8734 g_assert (!sig->hasthis);
8735 csig = signature_dup_add_this (image, sig, mono_defaults.int_class);
8737 res = mono_mb_create_and_cache (cache, invoke,
8738 mb, csig, csig->param_count + 16);
8741 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_NATIVE_FUNC_AOT);
8742 info->d.managed_to_native.method = invoke;
8744 mono_marshal_set_wrapper_info (res, info);
8746 for (i = mono_method_signature (invoke)->param_count; i >= 0; i--)
8748 mono_metadata_free_marshal_spec (mspecs [i]);
8756 * mono_marshal_emit_managed_wrapper:
8758 * Emit the body of a native-to-managed wrapper. INVOKE_SIG is the signature of
8759 * the delegate which wraps the managed method to be called. For closed delegates,
8760 * it could have fewer parameters than the method it wraps.
8761 * THIS_LOC is the memory location where the target of the delegate is stored.
8764 mono_marshal_emit_managed_wrapper (MonoMethodBuilder *mb, MonoMethodSignature *invoke_sig, MonoMarshalSpec **mspecs, EmitMarshalContext* m, MonoMethod *method, uint32_t target_handle)
8766 MonoMethodSignature *sig, *csig;
8768 gboolean closed = FALSE;
8773 /* allocate local 0 (pointer) src_ptr */
8774 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8775 /* allocate local 1 (pointer) dst_ptr */
8776 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8777 /* allocate local 2 (boolean) delete_old */
8778 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
8780 if (!sig->hasthis && sig->param_count != invoke_sig->param_count) {
8781 /* Closed delegate */
8782 g_assert (sig->param_count == invoke_sig->param_count + 1);
8784 /* Use a new signature without the first argument */
8785 sig = mono_metadata_signature_dup (sig);
8786 memmove (&sig->params [0], &sig->params [1], (sig->param_count - 1) * sizeof (MonoType*));
8787 sig->param_count --;
8790 if (!MONO_TYPE_IS_VOID(sig->ret)) {
8791 /* allocate local 3 to store the return value */
8792 mono_mb_add_local (mb, sig->ret);
8795 mono_mb_emit_icon (mb, 0);
8796 mono_mb_emit_stloc (mb, 2);
8799 * Might need to attach the thread to the JIT or change the
8800 * domain for the callback.
8802 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
8803 mono_mb_emit_byte (mb, CEE_MONO_JIT_ATTACH);
8805 /* we first do all conversions */
8806 tmp_locals = alloca (sizeof (int) * sig->param_count);
8807 for (i = 0; i < sig->param_count; i ++) {
8808 MonoType *t = sig->params [i];
8811 case MONO_TYPE_OBJECT:
8812 case MONO_TYPE_CLASS:
8813 case MONO_TYPE_VALUETYPE:
8814 case MONO_TYPE_ARRAY:
8815 case MONO_TYPE_SZARRAY:
8816 case MONO_TYPE_STRING:
8817 case MONO_TYPE_BOOLEAN:
8818 tmp_locals [i] = emit_marshal (m, i, sig->params [i], mspecs [i + 1], 0, &csig->params [i], MARSHAL_ACTION_MANAGED_CONV_IN);
8827 emit_thread_interrupt_checkpoint (mb);
8830 if (target_handle) {
8831 mono_mb_emit_icon (mb, (gint32)target_handle);
8832 mono_mb_emit_icall (mb, mono_gchandle_get_target);
8835 g_assert_not_reached ();
8837 } else if (closed) {
8838 mono_mb_emit_icon (mb, (gint32)target_handle);
8839 mono_mb_emit_icall (mb, mono_gchandle_get_target);
8842 for (i = 0; i < sig->param_count; i++) {
8843 MonoType *t = sig->params [i];
8845 if (tmp_locals [i]) {
8847 mono_mb_emit_ldloc_addr (mb, tmp_locals [i]);
8849 mono_mb_emit_ldloc (mb, tmp_locals [i]);
8852 mono_mb_emit_ldarg (mb, i);
8855 mono_mb_emit_managed_call (mb, method, NULL);
8857 if (mspecs [0] && mspecs [0]->native == MONO_NATIVE_CUSTOM) {
8858 emit_marshal (m, 0, sig->ret, mspecs [0], 0, NULL, MARSHAL_ACTION_MANAGED_CONV_RESULT);
8859 } else if (!sig->ret->byref) {
8860 switch (sig->ret->type) {
8861 case MONO_TYPE_VOID:
8863 case MONO_TYPE_BOOLEAN:
8866 case MONO_TYPE_CHAR:
8878 case MONO_TYPE_OBJECT:
8879 mono_mb_emit_stloc (mb, 3);
8881 case MONO_TYPE_STRING:
8882 csig->ret = &mono_defaults.int_class->byval_arg;
8883 emit_marshal (m, 0, sig->ret, mspecs [0], 0, NULL, MARSHAL_ACTION_MANAGED_CONV_RESULT);
8885 case MONO_TYPE_VALUETYPE:
8886 case MONO_TYPE_CLASS:
8887 case MONO_TYPE_SZARRAY:
8888 emit_marshal (m, 0, sig->ret, mspecs [0], 0, NULL, MARSHAL_ACTION_MANAGED_CONV_RESULT);
8891 g_warning ("return type 0x%02x unknown", sig->ret->type);
8892 g_assert_not_reached ();
8895 mono_mb_emit_stloc (mb, 3);
8898 /* Convert byref arguments back */
8899 for (i = 0; i < sig->param_count; i ++) {
8900 MonoType *t = sig->params [i];
8901 MonoMarshalSpec *spec = mspecs [i + 1];
8903 if (spec && spec->native == MONO_NATIVE_CUSTOM) {
8904 emit_marshal (m, i, t, mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_MANAGED_CONV_OUT);
8906 else if (t->byref) {
8908 case MONO_TYPE_CLASS:
8909 case MONO_TYPE_VALUETYPE:
8910 case MONO_TYPE_OBJECT:
8911 case MONO_TYPE_STRING:
8912 case MONO_TYPE_BOOLEAN:
8913 emit_marshal (m, i, t, mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_MANAGED_CONV_OUT);
8917 else if (invoke_sig->params [i]->attrs & PARAM_ATTRIBUTE_OUT) {
8918 /* The [Out] information is encoded in the delegate signature */
8920 case MONO_TYPE_SZARRAY:
8921 case MONO_TYPE_CLASS:
8922 case MONO_TYPE_VALUETYPE:
8923 emit_marshal (m, i, invoke_sig->params [i], mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_MANAGED_CONV_OUT);
8926 g_assert_not_reached ();
8931 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
8932 mono_mb_emit_byte (mb, CEE_MONO_JIT_DETACH);
8934 if (m->retobj_var) {
8935 mono_mb_emit_ldloc (mb, m->retobj_var);
8936 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
8937 mono_mb_emit_op (mb, CEE_MONO_RETOBJ, m->retobj_class);
8940 if (!MONO_TYPE_IS_VOID(sig->ret))
8941 mono_mb_emit_ldloc (mb, 3);
8942 mono_mb_emit_byte (mb, CEE_RET);
8951 mono_marshal_set_callconv_from_modopt (MonoMethod *method, MonoMethodSignature *csig)
8953 MonoMethodSignature *sig;
8958 * Under windows, delegates passed to native code must use the STDCALL
8959 * calling convention.
8961 csig->call_convention = MONO_CALL_STDCALL;
8964 sig = mono_method_signature (method);
8966 /* Change default calling convention if needed */
8967 /* Why is this a modopt ? */
8968 if (sig->ret && sig->ret->num_mods) {
8969 for (i = 0; i < sig->ret->num_mods; ++i) {
8970 MonoClass *cmod_class = mono_class_get (method->klass->image, sig->ret->modifiers [i].token);
8971 g_assert (cmod_class);
8972 if ((cmod_class->image == mono_defaults.corlib) && !strcmp (cmod_class->name_space, "System.Runtime.CompilerServices")) {
8973 if (!strcmp (cmod_class->name, "CallConvCdecl"))
8974 csig->call_convention = MONO_CALL_C;
8975 else if (!strcmp (cmod_class->name, "CallConvStdcall"))
8976 csig->call_convention = MONO_CALL_STDCALL;
8977 else if (!strcmp (cmod_class->name, "CallConvFastcall"))
8978 csig->call_convention = MONO_CALL_FASTCALL;
8979 else if (!strcmp (cmod_class->name, "CallConvThiscall"))
8980 csig->call_convention = MONO_CALL_THISCALL;
8987 * generates IL code to call managed methods from unmanaged code
8988 * If target_handle==0, the wrapper info will be a WrapperInfo structure.
8991 mono_marshal_get_managed_wrapper (MonoMethod *method, MonoClass *delegate_klass, uint32_t target_handle)
8993 static MonoClass *UnmanagedFunctionPointerAttribute;
8994 MonoMethodSignature *sig, *csig, *invoke_sig;
8995 MonoMethodBuilder *mb;
8996 MonoMethod *res, *invoke;
8997 MonoMarshalSpec **mspecs;
8998 MonoMethodPInvoke piinfo;
9001 EmitMarshalContext m;
9003 g_assert (method != NULL);
9004 g_assert (!mono_method_signature (method)->pinvoke);
9007 * FIXME: Should cache the method+delegate type pair, since the same method
9008 * could be called with different delegates, thus different marshalling
9011 cache = get_cache (&method->klass->image->managed_wrapper_cache, mono_aligned_addr_hash, NULL);
9012 if (!target_handle && (res = mono_marshal_find_in_cache (cache, method)))
9015 invoke = mono_get_delegate_invoke (delegate_klass);
9016 invoke_sig = mono_method_signature (invoke);
9018 mspecs = g_new0 (MonoMarshalSpec*, mono_method_signature (invoke)->param_count + 1);
9019 mono_method_get_marshal_info (invoke, mspecs);
9021 sig = mono_method_signature (method);
9023 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_NATIVE_TO_MANAGED);
9025 /*the target gchandle must be the first entry after size and the wrapper itself.*/
9026 mono_mb_add_data (mb, GUINT_TO_POINTER (target_handle));
9028 /* we copy the signature, so that we can modify it */
9030 /* Need to free this later */
9031 csig = mono_metadata_signature_dup (invoke_sig);
9033 csig = signature_dup (method->klass->image, invoke_sig);
9042 m.image = method->klass->image;
9044 mono_marshal_set_callconv_from_modopt (invoke, csig);
9046 /* Handle the UnmanagedFunctionPointerAttribute */
9047 if (!UnmanagedFunctionPointerAttribute)
9048 UnmanagedFunctionPointerAttribute = mono_class_from_name (mono_defaults.corlib, "System.Runtime.InteropServices", "UnmanagedFunctionPointerAttribute");
9050 /* The attribute is only available in Net 2.0 */
9051 if (UnmanagedFunctionPointerAttribute) {
9052 MonoCustomAttrInfo *cinfo;
9053 MonoCustomAttrEntry *attr;
9056 * The pinvoke attributes are stored in a real custom attribute. Obtain the
9057 * contents of the attribute without constructing it, as that might not be
9058 * possible when running in cross-compiling mode.
9060 cinfo = mono_custom_attrs_from_class (delegate_klass);
9063 for (i = 0; i < cinfo->num_attrs; ++i) {
9064 MonoClass *ctor_class = cinfo->attrs [i].ctor->klass;
9065 if (mono_class_has_parent (ctor_class, UnmanagedFunctionPointerAttribute)) {
9066 attr = &cinfo->attrs [i];
9072 MonoArray *typed_args, *named_args;
9073 CattrNamedArg *arginfo;
9077 MonoBoolean set_last_error = 0;
9078 MonoBoolean best_fit_mapping = 0;
9079 MonoBoolean throw_on_unmappable = 0;
9081 mono_reflection_create_custom_attr_data_args (mono_defaults.corlib, attr->ctor, attr->data, attr->data_size, &typed_args, &named_args, &arginfo);
9083 g_assert (mono_array_length (typed_args) == 1);
9086 o = mono_array_get (typed_args, MonoObject*, 0);
9087 call_conv = *(gint32*)mono_object_unbox (o);
9090 for (i = 0; i < mono_array_length (named_args); ++i) {
9091 CattrNamedArg *narg = &arginfo [i];
9093 o = mono_array_get (named_args, MonoObject*, i);
9095 g_assert (narg->field);
9096 if (!strcmp (narg->field->name, "CharSet")) {
9097 charset = *(gint32*)mono_object_unbox (o);
9098 } else if (!strcmp (narg->field->name, "SetLastError")) {
9099 set_last_error = *(MonoBoolean*)mono_object_unbox (o);
9100 } else if (!strcmp (narg->field->name, "BestFitMapping")) {
9101 best_fit_mapping = *(MonoBoolean*)mono_object_unbox (o);
9102 } else if (!strcmp (narg->field->name, "ThrowOnUnmappableChar")) {
9103 throw_on_unmappable = *(MonoBoolean*)mono_object_unbox (o);
9105 g_assert_not_reached ();
9111 memset (&piinfo, 0, sizeof (piinfo));
9113 piinfo.piflags = (call_conv << 8) | (charset ? (charset - 1) * 2 : 1) | set_last_error;
9115 csig->call_convention = call_conv - 1;
9118 if (cinfo && !cinfo->cached)
9119 mono_custom_attrs_free (cinfo);
9122 mono_marshal_emit_managed_wrapper (mb, invoke_sig, mspecs, &m, method, target_handle);
9124 if (!target_handle) {
9127 res = mono_mb_create_and_cache (cache, method,
9128 mb, csig, sig->param_count + 16);
9129 // FIXME: Associate it with the method+delegate_klass pair
9130 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_NONE);
9131 info->d.native_to_managed.method = method;
9132 info->d.native_to_managed.klass = delegate_klass;
9133 mono_marshal_set_wrapper_info (res, info);
9136 res = mono_mb_create_method (mb, csig, sig->param_count + 16);
9140 for (i = mono_method_signature (invoke)->param_count; i >= 0; i--)
9142 mono_metadata_free_marshal_spec (mspecs [i]);
9145 /* code_for (res); */
9151 mono_marshal_get_vtfixup_ftnptr (MonoImage *image, guint32 token, guint16 type)
9154 MonoMethodSignature *sig;
9155 MonoMethodBuilder *mb;
9160 method = mono_get_method (image, token, NULL);
9163 if (type & (VTFIXUP_TYPE_FROM_UNMANAGED | VTFIXUP_TYPE_FROM_UNMANAGED_RETAIN_APPDOMAIN)) {
9164 MonoMethodSignature *csig;
9165 MonoMarshalSpec **mspecs;
9166 EmitMarshalContext m;
9168 sig = mono_method_signature (method);
9169 g_assert (!sig->hasthis);
9171 mspecs = g_new0 (MonoMarshalSpec*, sig->param_count + 1);
9172 mono_method_get_marshal_info (method, mspecs);
9174 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_NATIVE_TO_MANAGED);
9175 csig = signature_dup (image, sig);
9186 mono_marshal_set_callconv_from_modopt (method, csig);
9188 /* FIXME: Implement VTFIXUP_TYPE_FROM_UNMANAGED_RETAIN_APPDOMAIN. */
9190 mono_marshal_emit_managed_wrapper (mb, sig, mspecs, &m, method, 0);
9193 method = mono_mb_create_method (mb, csig, sig->param_count + 16);
9196 for (i = sig->param_count; i >= 0; i--)
9198 mono_metadata_free_marshal_spec (mspecs [i]);
9201 return mono_compile_method (method);
9204 sig = mono_method_signature (method);
9205 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_MANAGED_TO_MANAGED);
9207 param_count = sig->param_count + sig->hasthis;
9208 for (i = 0; i < param_count; i++)
9209 mono_mb_emit_ldarg (mb, i);
9211 if (type & VTFIXUP_TYPE_CALL_MOST_DERIVED)
9212 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
9214 mono_mb_emit_op (mb, CEE_CALL, method);
9215 mono_mb_emit_byte (mb, CEE_RET);
9218 method = mono_mb_create_method (mb, sig, param_count);
9221 return mono_compile_method (method);
9224 static MonoReflectionType *
9225 type_from_handle (MonoType *handle)
9227 MonoDomain *domain = mono_domain_get ();
9228 MonoClass *klass = mono_class_from_mono_type (handle);
9230 MONO_ARCH_SAVE_REGS;
9232 mono_class_init (klass);
9233 return mono_type_get_object (domain, handle);
9237 * This does the equivalent of mono_object_castclass_with_cache.
9238 * The wrapper info for the wrapper is a WrapperInfo structure.
9241 mono_marshal_get_castclass_with_cache (void)
9243 static MonoMethod *cached;
9245 MonoMethodBuilder *mb;
9246 MonoMethodSignature *sig;
9247 int return_null_pos, cache_miss_pos, invalid_cast_pos;
9253 mb = mono_mb_new (mono_defaults.object_class, "__castclass_with_cache", MONO_WRAPPER_CASTCLASS);
9254 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
9255 sig->params [0] = &mono_defaults.object_class->byval_arg;
9256 sig->params [1] = &mono_defaults.int_class->byval_arg;
9257 sig->params [2] = &mono_defaults.int_class->byval_arg;
9258 sig->ret = &mono_defaults.object_class->byval_arg;
9261 /* allocate local 0 (pointer) obj_vtable */
9262 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9265 mono_mb_emit_ldarg (mb, 0);
9266 return_null_pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
9268 /*obj_vtable = obj->vtable;*/
9269 mono_mb_emit_ldarg (mb, 0);
9270 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
9271 mono_mb_emit_byte (mb, CEE_LDIND_I);
9272 mono_mb_emit_stloc (mb, 0);
9275 mono_mb_emit_ldarg (mb, 2);
9276 mono_mb_emit_byte (mb, CEE_LDIND_I);
9277 mono_mb_emit_ldloc (mb, 0);
9279 /*if (*cache == obj_vtable)*/
9280 cache_miss_pos = mono_mb_emit_branch (mb, CEE_BNE_UN);
9283 mono_mb_emit_ldarg (mb, 0);
9284 mono_mb_emit_byte (mb, CEE_RET);
9286 mono_mb_patch_branch (mb, cache_miss_pos);
9287 /*if (mono_object_isinst (obj, klass)) */
9288 mono_mb_emit_ldarg (mb, 0);
9289 mono_mb_emit_ldarg (mb, 1);
9290 mono_mb_emit_icall (mb, mono_object_isinst);
9291 invalid_cast_pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
9293 /**cache = obj_vtable;*/
9294 mono_mb_emit_ldarg (mb, 2);
9295 mono_mb_emit_ldloc (mb, 0);
9296 mono_mb_emit_byte (mb, CEE_STIND_I);
9299 mono_mb_emit_ldarg (mb, 0);
9300 mono_mb_emit_byte (mb, CEE_RET);
9303 mono_mb_patch_branch (mb, invalid_cast_pos);
9304 mono_mb_emit_exception (mb, "InvalidCastException", NULL);
9307 mono_mb_patch_branch (mb, return_null_pos);
9308 mono_mb_emit_byte (mb, CEE_LDNULL);
9309 mono_mb_emit_byte (mb, CEE_RET);
9311 res = mono_mb_create_method (mb, sig, 8);
9312 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_CASTCLASS_WITH_CACHE);
9313 mono_marshal_set_wrapper_info (res, info);
9316 if (InterlockedCompareExchangePointer ((volatile gpointer *)&cached, res, NULL)) {
9317 mono_free_method (res);
9318 mono_metadata_free_method_signature (sig);
9326 * This does the equivalent of mono_object_isinst_with_cache.
9327 * The wrapper info for the wrapper is a WrapperInfo structure.
9330 mono_marshal_get_isinst_with_cache (void)
9332 static MonoMethod *cached;
9334 MonoMethodBuilder *mb;
9335 MonoMethodSignature *sig;
9336 int return_null_pos, cache_miss_pos, cache_hit_pos, not_an_instance_pos, negative_cache_hit_pos;
9342 mb = mono_mb_new (mono_defaults.object_class, "__isinst_with_cache", MONO_WRAPPER_CASTCLASS);
9343 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
9344 sig->params [0] = &mono_defaults.object_class->byval_arg;
9345 sig->params [1] = &mono_defaults.int_class->byval_arg;
9346 sig->params [2] = &mono_defaults.int_class->byval_arg;
9347 sig->ret = &mono_defaults.object_class->byval_arg;
9350 /* allocate local 0 (pointer) obj_vtable */
9351 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9352 /* allocate local 1 (pointer) cached_vtable */
9353 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9356 mono_mb_emit_ldarg (mb, 0);
9357 return_null_pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
9359 /*obj_vtable = obj->vtable;*/
9360 mono_mb_emit_ldarg (mb, 0);
9361 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
9362 mono_mb_emit_byte (mb, CEE_LDIND_I);
9363 mono_mb_emit_stloc (mb, 0);
9365 /* cached_vtable = *cache*/
9366 mono_mb_emit_ldarg (mb, 2);
9367 mono_mb_emit_byte (mb, CEE_LDIND_I);
9368 mono_mb_emit_stloc (mb, 1);
9370 mono_mb_emit_ldloc (mb, 1);
9371 mono_mb_emit_byte (mb, CEE_LDC_I4);
9372 mono_mb_emit_i4 (mb, ~0x1);
9373 mono_mb_emit_byte (mb, CEE_CONV_U);
9374 mono_mb_emit_byte (mb, CEE_AND);
9375 mono_mb_emit_ldloc (mb, 0);
9376 /*if ((cached_vtable & ~0x1)== obj_vtable)*/
9377 cache_miss_pos = mono_mb_emit_branch (mb, CEE_BNE_UN);
9379 /*return (cached_vtable & 0x1) ? NULL : obj;*/
9380 mono_mb_emit_ldloc (mb, 1);
9381 mono_mb_emit_byte(mb, CEE_LDC_I4_1);
9382 mono_mb_emit_byte (mb, CEE_CONV_U);
9383 mono_mb_emit_byte (mb, CEE_AND);
9384 negative_cache_hit_pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
9387 mono_mb_emit_ldarg (mb, 0);
9388 cache_hit_pos = mono_mb_emit_branch (mb, CEE_BR);
9391 mono_mb_patch_branch (mb, negative_cache_hit_pos);
9392 mono_mb_emit_byte (mb, CEE_LDNULL);
9394 mono_mb_patch_branch (mb, cache_hit_pos);
9395 mono_mb_emit_byte (mb, CEE_RET);
9397 mono_mb_patch_branch (mb, cache_miss_pos);
9398 /*if (mono_object_isinst (obj, klass)) */
9399 mono_mb_emit_ldarg (mb, 0);
9400 mono_mb_emit_ldarg (mb, 1);
9401 mono_mb_emit_icall (mb, mono_object_isinst);
9402 not_an_instance_pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
9404 /**cache = obj_vtable;*/
9405 mono_mb_emit_ldarg (mb, 2);
9406 mono_mb_emit_ldloc (mb, 0);
9407 mono_mb_emit_byte (mb, CEE_STIND_I);
9410 mono_mb_emit_ldarg (mb, 0);
9411 mono_mb_emit_byte (mb, CEE_RET);
9414 mono_mb_patch_branch (mb, not_an_instance_pos);
9415 /* *cache = (gpointer)(obj_vtable | 0x1);*/
9416 mono_mb_emit_ldarg (mb, 2);
9417 /*obj_vtable | 0x1*/
9418 mono_mb_emit_ldloc (mb, 0);
9419 mono_mb_emit_byte(mb, CEE_LDC_I4_1);
9420 mono_mb_emit_byte (mb, CEE_CONV_U);
9421 mono_mb_emit_byte (mb, CEE_OR);
9424 mono_mb_emit_byte (mb, CEE_STIND_I);
9427 mono_mb_patch_branch (mb, return_null_pos);
9428 mono_mb_emit_byte (mb, CEE_LDNULL);
9429 mono_mb_emit_byte (mb, CEE_RET);
9431 res = mono_mb_create_method (mb, sig, 8);
9432 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_ISINST_WITH_CACHE);
9433 mono_marshal_set_wrapper_info (res, info);
9436 if (InterlockedCompareExchangePointer ((volatile gpointer *)&cached, res, NULL)) {
9437 mono_free_method (res);
9438 mono_metadata_free_method_signature (sig);
9446 * mono_marshal_get_isinst:
9447 * @klass: the type of the field
9449 * This method generates a function which can be used to check if an object is
9450 * an instance of the given type, icluding the case where the object is a proxy.
9451 * The generated function has the following signature:
9452 * MonoObject* __isinst_wrapper_ (MonoObject *obj)
9455 mono_marshal_get_isinst (MonoClass *klass)
9457 static MonoMethodSignature *isint_sig = NULL;
9460 int pos_was_ok, pos_failed, pos_end, pos_end2;
9462 MonoMethodBuilder *mb;
9464 cache = get_cache (&klass->image->isinst_cache, mono_aligned_addr_hash, NULL);
9465 if ((res = mono_marshal_find_in_cache (cache, klass)))
9469 isint_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
9470 isint_sig->params [0] = &mono_defaults.object_class->byval_arg;
9471 isint_sig->ret = &mono_defaults.object_class->byval_arg;
9472 isint_sig->pinvoke = 0;
9475 name = g_strdup_printf ("__isinst_wrapper_%s", klass->name);
9476 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_ISINST);
9479 mb->method->save_lmf = 1;
9481 /* check if the object is a proxy that needs special cast */
9482 mono_mb_emit_ldarg (mb, 0);
9483 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
9484 mono_mb_emit_op (mb, CEE_MONO_CISINST, klass);
9486 /* The result of MONO_ISINST can be:
9487 0) the type check succeeded
9488 1) the type check did not succeed
9489 2) a CanCastTo call is needed */
9491 mono_mb_emit_byte (mb, CEE_DUP);
9492 pos_was_ok = mono_mb_emit_branch (mb, CEE_BRFALSE);
9494 mono_mb_emit_byte (mb, CEE_LDC_I4_2);
9495 pos_failed = mono_mb_emit_branch (mb, CEE_BNE_UN);
9497 /* get the real proxy from the transparent proxy*/
9499 mono_mb_emit_ldarg (mb, 0);
9500 mono_mb_emit_managed_call (mb, mono_marshal_get_proxy_cancast (klass), NULL);
9501 pos_end = mono_mb_emit_branch (mb, CEE_BR);
9505 mono_mb_patch_branch (mb, pos_failed);
9506 mono_mb_emit_byte (mb, CEE_LDNULL);
9507 pos_end2 = mono_mb_emit_branch (mb, CEE_BR);
9511 mono_mb_patch_branch (mb, pos_was_ok);
9512 mono_mb_emit_byte (mb, CEE_POP);
9513 mono_mb_emit_ldarg (mb, 0);
9517 mono_mb_patch_branch (mb, pos_end);
9518 mono_mb_patch_branch (mb, pos_end2);
9519 mono_mb_emit_byte (mb, CEE_RET);
9521 res = mono_mb_create_and_cache (cache, klass, mb, isint_sig, isint_sig->param_count + 16);
9528 * mono_marshal_get_castclass:
9529 * @klass: the type of the field
9531 * This method generates a function which can be used to cast an object to
9532 * an instance of the given type, icluding the case where the object is a proxy.
9533 * The generated function has the following signature:
9534 * MonoObject* __castclass_wrapper_ (MonoObject *obj)
9535 * The wrapper info for the wrapper is a WrapperInfo structure.
9538 mono_marshal_get_castclass (MonoClass *klass)
9540 static MonoMethodSignature *castclass_sig = NULL;
9543 int pos_was_ok, pos_was_ok2;
9545 MonoMethodBuilder *mb;
9548 cache = get_cache (&klass->image->castclass_cache, mono_aligned_addr_hash, NULL);
9549 if ((res = mono_marshal_find_in_cache (cache, klass)))
9552 if (!castclass_sig) {
9553 castclass_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
9554 castclass_sig->params [0] = &mono_defaults.object_class->byval_arg;
9555 castclass_sig->ret = &mono_defaults.object_class->byval_arg;
9556 castclass_sig->pinvoke = 0;
9559 name = g_strdup_printf ("__castclass_wrapper_%s", klass->name);
9560 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_CASTCLASS);
9563 mb->method->save_lmf = 1;
9565 /* check if the object is a proxy that needs special cast */
9566 mono_mb_emit_ldarg (mb, 0);
9567 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
9568 mono_mb_emit_op (mb, CEE_MONO_CCASTCLASS, klass);
9570 /* The result of MONO_ISINST can be:
9571 0) the cast is valid
9572 1) cast of unknown proxy type
9573 or an exception if the cast is is invalid
9576 pos_was_ok = mono_mb_emit_branch (mb, CEE_BRFALSE);
9578 /* get the real proxy from the transparent proxy*/
9580 mono_mb_emit_ldarg (mb, 0);
9581 mono_mb_emit_managed_call (mb, mono_marshal_get_proxy_cancast (klass), NULL);
9582 pos_was_ok2 = mono_mb_emit_branch (mb, CEE_BRTRUE);
9585 mono_mb_emit_exception (mb, "InvalidCastException", NULL);
9588 mono_mb_patch_branch (mb, pos_was_ok);
9589 mono_mb_patch_branch (mb, pos_was_ok2);
9590 mono_mb_emit_ldarg (mb, 0);
9593 mono_mb_emit_byte (mb, CEE_RET);
9595 res = mono_mb_create_and_cache (cache, klass, mb, castclass_sig, castclass_sig->param_count + 16);
9598 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_NONE);
9599 mono_marshal_set_wrapper_info (res, info);
9605 mono_marshal_get_proxy_cancast (MonoClass *klass)
9607 static MonoMethodSignature *isint_sig = NULL;
9610 int pos_failed, pos_end;
9611 char *name, *klass_name;
9612 MonoMethod *can_cast_to;
9613 MonoMethodDesc *desc;
9614 MonoMethodBuilder *mb;
9616 cache = get_cache (&klass->image->proxy_isinst_cache, mono_aligned_addr_hash, NULL);
9617 if ((res = mono_marshal_find_in_cache (cache, klass)))
9621 isint_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
9622 isint_sig->params [0] = &mono_defaults.object_class->byval_arg;
9623 isint_sig->ret = &mono_defaults.object_class->byval_arg;
9624 isint_sig->pinvoke = 0;
9627 klass_name = mono_type_full_name (&klass->byval_arg);
9628 name = g_strdup_printf ("__proxy_isinst_wrapper_%s", klass_name);
9629 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_PROXY_ISINST);
9630 g_free (klass_name);
9633 mb->method->save_lmf = 1;
9635 /* get the real proxy from the transparent proxy*/
9636 mono_mb_emit_ldarg (mb, 0);
9637 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
9638 mono_mb_emit_byte (mb, CEE_LDIND_REF);
9640 /* get the reflection type from the type handle */
9641 mono_mb_emit_ptr (mb, &klass->byval_arg);
9642 mono_mb_emit_icall (mb, type_from_handle);
9644 mono_mb_emit_ldarg (mb, 0);
9646 /* make the call to CanCastTo (type, ob) */
9647 desc = mono_method_desc_new ("IRemotingTypeInfo:CanCastTo", FALSE);
9648 can_cast_to = mono_method_desc_search_in_class (desc, mono_defaults.iremotingtypeinfo_class);
9649 g_assert (can_cast_to);
9650 mono_method_desc_free (desc);
9651 mono_mb_emit_op (mb, CEE_CALLVIRT, can_cast_to);
9653 pos_failed = mono_mb_emit_branch (mb, CEE_BRFALSE);
9655 /* Upgrade the proxy vtable by calling: mono_upgrade_remote_class_wrapper (type, ob)*/
9656 mono_mb_emit_ptr (mb, &klass->byval_arg);
9657 mono_mb_emit_icall (mb, type_from_handle);
9658 mono_mb_emit_ldarg (mb, 0);
9660 mono_mb_emit_icall (mb, mono_upgrade_remote_class_wrapper);
9661 emit_thread_interrupt_checkpoint (mb);
9663 mono_mb_emit_ldarg (mb, 0);
9664 pos_end = mono_mb_emit_branch (mb, CEE_BR);
9668 mono_mb_patch_branch (mb, pos_failed);
9669 mono_mb_emit_byte (mb, CEE_LDNULL);
9673 mono_mb_patch_branch (mb, pos_end);
9674 mono_mb_emit_byte (mb, CEE_RET);
9676 res = mono_mb_create_and_cache (cache, klass, mb, isint_sig, isint_sig->param_count + 16);
9683 mono_upgrade_remote_class_wrapper (MonoReflectionType *rtype, MonoTransparentProxy *tproxy)
9686 MonoDomain *domain = ((MonoObject*)tproxy)->vtable->domain;
9687 klass = mono_class_from_mono_type (rtype->type);
9688 mono_upgrade_remote_class (domain, (MonoObject*)tproxy, klass);
9692 * mono_marshal_get_struct_to_ptr:
9695 * generates IL code for StructureToPtr (object structure, IntPtr ptr, bool fDeleteOld)
9696 * The wrapper info for the wrapper is a WrapperInfo structure.
9699 mono_marshal_get_struct_to_ptr (MonoClass *klass)
9701 MonoMethodBuilder *mb;
9702 static MonoMethod *stoptr = NULL;
9706 g_assert (klass != NULL);
9708 mono_marshal_load_type_info (klass);
9710 if (klass->marshal_info->str_to_ptr)
9711 return klass->marshal_info->str_to_ptr;
9714 stoptr = mono_class_get_method_from_name (mono_defaults.marshal_class, "StructureToPtr", 3);
9717 mb = mono_mb_new (klass, stoptr->name, MONO_WRAPPER_UNKNOWN);
9719 if (klass->blittable) {
9720 mono_mb_emit_byte (mb, CEE_LDARG_1);
9721 mono_mb_emit_byte (mb, CEE_LDARG_0);
9722 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
9723 mono_mb_emit_icon (mb, mono_class_value_size (klass, NULL));
9724 mono_mb_emit_byte (mb, CEE_PREFIX1);
9725 mono_mb_emit_byte (mb, CEE_CPBLK);
9728 /* allocate local 0 (pointer) src_ptr */
9729 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9730 /* allocate local 1 (pointer) dst_ptr */
9731 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9732 /* allocate local 2 (boolean) delete_old */
9733 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
9734 mono_mb_emit_byte (mb, CEE_LDARG_2);
9735 mono_mb_emit_stloc (mb, 2);
9737 /* initialize src_ptr to point to the start of object data */
9738 mono_mb_emit_byte (mb, CEE_LDARG_0);
9739 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
9740 mono_mb_emit_stloc (mb, 0);
9742 /* initialize dst_ptr */
9743 mono_mb_emit_byte (mb, CEE_LDARG_1);
9744 mono_mb_emit_stloc (mb, 1);
9746 emit_struct_conv (mb, klass, FALSE);
9749 mono_mb_emit_byte (mb, CEE_RET);
9751 res = mono_mb_create_method (mb, mono_signature_no_pinvoke (stoptr), 0);
9754 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_STRUCTURE_TO_PTR);
9755 mono_marshal_set_wrapper_info (res, info);
9757 klass->marshal_info->str_to_ptr = res;
9762 * mono_marshal_get_ptr_to_struct:
9765 * generates IL code for PtrToStructure (IntPtr src, object structure)
9766 * The wrapper info for the wrapper is a WrapperInfo structure.
9769 mono_marshal_get_ptr_to_struct (MonoClass *klass)
9771 MonoMethodBuilder *mb;
9772 static MonoMethodSignature *ptostr = NULL;
9776 g_assert (klass != NULL);
9778 mono_marshal_load_type_info (klass);
9780 if (klass->marshal_info->ptr_to_str)
9781 return klass->marshal_info->ptr_to_str;
9784 MonoMethodSignature *sig;
9786 /* Create the signature corresponding to
9787 static void PtrToStructure (IntPtr ptr, object structure);
9788 defined in class/corlib/System.Runtime.InteropServices/Marshal.cs */
9789 sig = mono_create_icall_signature ("void ptr object");
9790 sig = signature_dup (mono_defaults.corlib, sig);
9792 mono_memory_barrier ();
9796 mb = mono_mb_new (klass, "PtrToStructure", MONO_WRAPPER_UNKNOWN);
9798 if (klass->blittable) {
9799 mono_mb_emit_byte (mb, CEE_LDARG_1);
9800 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
9801 mono_mb_emit_byte (mb, CEE_LDARG_0);
9802 mono_mb_emit_icon (mb, mono_class_value_size (klass, NULL));
9803 mono_mb_emit_byte (mb, CEE_PREFIX1);
9804 mono_mb_emit_byte (mb, CEE_CPBLK);
9807 /* allocate local 0 (pointer) src_ptr */
9808 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9809 /* allocate local 1 (pointer) dst_ptr */
9810 mono_mb_add_local (mb, &klass->this_arg);
9812 /* initialize src_ptr to point to the start of object data */
9813 mono_mb_emit_byte (mb, CEE_LDARG_0);
9814 mono_mb_emit_stloc (mb, 0);
9816 /* initialize dst_ptr */
9817 mono_mb_emit_byte (mb, CEE_LDARG_1);
9818 mono_mb_emit_op (mb, CEE_UNBOX, klass);
9819 mono_mb_emit_stloc (mb, 1);
9821 emit_struct_conv (mb, klass, TRUE);
9824 mono_mb_emit_byte (mb, CEE_RET);
9826 res = mono_mb_create_method (mb, ptostr, 0);
9829 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_PTR_TO_STRUCTURE);
9830 mono_marshal_set_wrapper_info (res, info);
9832 klass->marshal_info->ptr_to_str = res;
9837 * Return a dummy wrapper for METHOD which is called by synchronized wrappers.
9838 * This is used to avoid infinite recursion since it is hard to determine where to
9839 * replace a method with its synchronized wrapper, and where not.
9840 * The runtime should execute METHOD instead of the wrapper.
9841 * The wrapper info for the wrapper is a WrapperInfo structure.
9844 mono_marshal_get_synchronized_inner_wrapper (MonoMethod *method)
9846 MonoMethodBuilder *mb;
9848 MonoMethodSignature *sig;
9851 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_UNKNOWN);
9852 mono_mb_emit_exception_full (mb, "System", "ExecutionEngineException", "Shouldn't be called.");
9853 mono_mb_emit_byte (mb, CEE_RET);
9854 sig = signature_dup (method->klass->image, mono_method_signature (method));
9855 res = mono_mb_create_method (mb, sig, 0);
9857 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_SYNCHRONIZED_INNER);
9858 info->d.synchronized_inner.method = method;
9859 mono_marshal_set_wrapper_info (res, info);
9864 * generates IL code for the synchronized wrapper: the generated method
9865 * calls METHOD while locking 'this' or the parent type.
9868 mono_marshal_get_synchronized_wrapper (MonoMethod *method)
9870 static MonoMethod *enter_method, *exit_method, *gettypefromhandle_method;
9871 MonoMethodSignature *sig;
9872 MonoExceptionClause *clause;
9873 MonoMethodBuilder *mb;
9876 int i, pos, this_local, ret_local = 0;
9880 if (method->wrapper_type == MONO_WRAPPER_SYNCHRONIZED)
9883 cache = get_cache (&method->klass->image->synchronized_cache, mono_aligned_addr_hash, NULL);
9884 if ((res = mono_marshal_find_in_cache (cache, method)))
9887 sig = signature_dup (method->klass->image, mono_method_signature (method));
9890 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_SYNCHRONIZED);
9893 if (!MONO_TYPE_IS_VOID (sig->ret))
9894 ret_local = mono_mb_add_local (mb, sig->ret);
9896 if (method->klass->valuetype && !(method->flags & MONO_METHOD_ATTR_STATIC)) {
9897 mono_class_set_failure (method->klass, MONO_EXCEPTION_TYPE_LOAD, NULL);
9898 /* This will throw the type load exception when the wrapper is compiled */
9899 mono_mb_emit_byte (mb, CEE_LDNULL);
9900 mono_mb_emit_op (mb, CEE_ISINST, method->klass);
9901 mono_mb_emit_byte (mb, CEE_POP);
9903 if (!MONO_TYPE_IS_VOID (sig->ret))
9904 mono_mb_emit_ldloc (mb, ret_local);
9905 mono_mb_emit_byte (mb, CEE_RET);
9907 res = mono_mb_create_and_cache (cache, method,
9908 mb, sig, sig->param_count + 16);
9915 this_local = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
9917 clause = mono_image_alloc0 (method->klass->image, sizeof (MonoExceptionClause));
9918 clause->flags = MONO_EXCEPTION_CLAUSE_FINALLY;
9920 mono_loader_lock ();
9922 if (!enter_method) {
9923 MonoMethodDesc *desc;
9925 desc = mono_method_desc_new ("Monitor:Enter", FALSE);
9926 enter_method = mono_method_desc_search_in_class (desc, mono_defaults.monitor_class);
9927 g_assert (enter_method);
9928 mono_method_desc_free (desc);
9930 desc = mono_method_desc_new ("Monitor:Exit", FALSE);
9931 exit_method = mono_method_desc_search_in_class (desc, mono_defaults.monitor_class);
9932 g_assert (exit_method);
9933 mono_method_desc_free (desc);
9935 desc = mono_method_desc_new ("Type:GetTypeFromHandle", FALSE);
9936 gettypefromhandle_method = mono_method_desc_search_in_class (desc, mono_defaults.monotype_class->parent);
9937 g_assert (gettypefromhandle_method);
9938 mono_method_desc_free (desc);
9941 mono_loader_unlock ();
9943 /* Push this or the type object */
9944 if (method->flags & METHOD_ATTRIBUTE_STATIC) {
9945 /* We have special handling for this in the JIT */
9946 int index = mono_mb_add_data (mb, method->klass);
9947 mono_mb_add_data (mb, mono_defaults.typehandle_class);
9948 mono_mb_emit_byte (mb, CEE_LDTOKEN);
9949 mono_mb_emit_i4 (mb, index);
9951 mono_mb_emit_managed_call (mb, gettypefromhandle_method, NULL);
9954 mono_mb_emit_ldarg (mb, 0);
9955 mono_mb_emit_stloc (mb, this_local);
9957 /* Call Monitor::Enter() */
9958 mono_mb_emit_ldloc (mb, this_local);
9959 mono_mb_emit_managed_call (mb, enter_method, NULL);
9961 clause->try_offset = mono_mb_get_label (mb);
9963 /* Call the method */
9965 mono_mb_emit_ldarg (mb, 0);
9966 for (i = 0; i < sig->param_count; i++)
9967 mono_mb_emit_ldarg (mb, i + (sig->hasthis == TRUE));
9969 mono_mb_emit_managed_call (mb, method, NULL);
9971 if (!MONO_TYPE_IS_VOID (sig->ret))
9972 mono_mb_emit_stloc (mb, ret_local);
9974 pos = mono_mb_emit_branch (mb, CEE_LEAVE);
9976 clause->try_len = mono_mb_get_pos (mb) - clause->try_offset;
9977 clause->handler_offset = mono_mb_get_label (mb);
9979 /* Call Monitor::Exit() */
9980 mono_mb_emit_ldloc (mb, this_local);
9981 mono_mb_emit_managed_call (mb, exit_method, NULL);
9982 mono_mb_emit_byte (mb, CEE_ENDFINALLY);
9984 clause->handler_len = mono_mb_get_pos (mb) - clause->handler_offset;
9986 mono_mb_patch_branch (mb, pos);
9987 if (!MONO_TYPE_IS_VOID (sig->ret))
9988 mono_mb_emit_ldloc (mb, ret_local);
9989 mono_mb_emit_byte (mb, CEE_RET);
9991 mono_mb_set_clauses (mb, 1, clause);
9993 res = mono_mb_create_and_cache (cache, method,
9994 mb, sig, sig->param_count + 16);
10002 * the returned method calls 'method' unboxing the this argument
10005 mono_marshal_get_unbox_wrapper (MonoMethod *method)
10007 MonoMethodSignature *sig = mono_method_signature (method);
10009 MonoMethodBuilder *mb;
10013 cache = get_cache (&method->klass->image->unbox_wrapper_cache, mono_aligned_addr_hash, NULL);
10014 if ((res = mono_marshal_find_in_cache (cache, method)))
10017 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_UNBOX);
10019 g_assert (sig->hasthis);
10021 mono_mb_emit_ldarg (mb, 0);
10022 mono_mb_emit_icon (mb, sizeof (MonoObject));
10023 mono_mb_emit_byte (mb, CEE_ADD);
10024 for (i = 0; i < sig->param_count; ++i)
10025 mono_mb_emit_ldarg (mb, i + 1);
10026 mono_mb_emit_managed_call (mb, method, NULL);
10027 mono_mb_emit_byte (mb, CEE_RET);
10029 res = mono_mb_create_and_cache (cache, method,
10030 mb, sig, sig->param_count + 16);
10033 /* code_for (res); */
10039 STELEMREF_OBJECT, /*no check at all*/
10040 STELEMREF_SEALED_CLASS, /*check vtable->klass->element_type */
10041 STELEMREF_CLASS, /*only the klass->parents check*/
10042 STELEMREF_INTERFACE, /*interfaces without variant generic arguments. */
10043 STELEMREF_COMPLEX, /*arrays, MBR or types with variant generic args - go straight to icalls*/
10044 STELEMREF_KIND_COUNT
10047 static const char *strelemref_wrapper_name[] = {
10048 "object", "sealed_class", "class", "interface", "complex"
10052 is_monomorphic_array (MonoClass *klass)
10054 MonoClass *element_class;
10055 if (klass->rank != 1)
10058 element_class = klass->element_class;
10059 return (element_class->flags & TYPE_ATTRIBUTE_SEALED) || element_class->valuetype;
10063 get_virtual_stelemref_kind (MonoClass *element_class)
10065 if (element_class == mono_defaults.object_class)
10066 return STELEMREF_OBJECT;
10067 if (is_monomorphic_array (element_class))
10068 return STELEMREF_SEALED_CLASS;
10069 /* Compressed interface bitmaps require code that is quite complex, so don't optimize for it. */
10070 if (MONO_CLASS_IS_INTERFACE (element_class) && !mono_class_has_variant_generic_params (element_class))
10071 #ifdef COMPRESSED_INTERFACE_BITMAP
10072 return STELEMREF_COMPLEX;
10074 return STELEMREF_INTERFACE;
10076 /*Arrays are sealed but are covariant on their element type, We can't use any of the fast paths.*/
10077 if (element_class->marshalbyref || element_class->rank || mono_class_has_variant_generic_params (element_class))
10078 return STELEMREF_COMPLEX;
10079 if (element_class->flags & TYPE_ATTRIBUTE_SEALED)
10080 return STELEMREF_SEALED_CLASS;
10081 return STELEMREF_CLASS;
10085 load_array_element_address (MonoMethodBuilder *mb)
10087 mono_mb_emit_ldarg (mb, 0);
10088 mono_mb_emit_ldarg (mb, 1);
10089 mono_mb_emit_op (mb, CEE_LDELEMA, mono_defaults.object_class);
10093 load_array_class (MonoMethodBuilder *mb, int aklass)
10095 mono_mb_emit_ldarg (mb, 0);
10096 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
10097 mono_mb_emit_byte (mb, CEE_LDIND_I);
10098 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, klass));
10099 mono_mb_emit_byte (mb, CEE_LDIND_I);
10100 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, element_class));
10101 mono_mb_emit_byte (mb, CEE_LDIND_I);
10102 mono_mb_emit_stloc (mb, aklass);
10106 load_value_class (MonoMethodBuilder *mb, int vklass)
10108 mono_mb_emit_ldarg (mb, 2);
10109 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
10110 mono_mb_emit_byte (mb, CEE_LDIND_I);
10111 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, klass));
10112 mono_mb_emit_byte (mb, CEE_LDIND_I);
10113 mono_mb_emit_stloc (mb, vklass);
10118 record_slot_vstore (MonoObject *array, size_t index, MonoObject *value)
10120 char *name = mono_type_get_full_name (array->vtable->klass->element_class);
10121 printf ("slow vstore of %s\n", name);
10127 * The wrapper info for the wrapper is a WrapperInfo structure.
10130 * - Separate simple interfaces from variant interfaces or mbr types. This way we can avoid the icall for them.
10131 * - Emit a (new) mono bytecode that produces OP_COND_EXC_NE_UN to raise ArrayTypeMismatch
10132 * - Maybe mve some MonoClass field into the vtable to reduce the number of loads
10133 * - Add a case for arrays of arrays.
10136 mono_marshal_get_virtual_stelemref (MonoClass *array_class)
10138 static MonoMethod *cached_methods [STELEMREF_KIND_COUNT] = { NULL }; /*object iface sealed regular*/
10139 static MonoMethodSignature *signature;
10140 MonoMethodBuilder *mb;
10144 const char *param_names [16];
10145 guint32 b1, b2, b3;
10146 int aklass, vklass, vtable, uiid;
10147 int array_slot_addr;
10150 g_assert (array_class->rank == 1);
10151 kind = get_virtual_stelemref_kind (array_class->element_class);
10153 if (cached_methods [kind])
10154 return cached_methods [kind];
10156 name = g_strdup_printf ("virt_stelemref_%s", strelemref_wrapper_name [kind]);
10157 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_STELEMREF);
10160 param_names [0] = "index";
10161 param_names [1] = "value";
10162 mono_mb_set_param_names (mb, param_names);
10165 MonoMethodSignature *sig = mono_metadata_signature_alloc (mono_defaults.corlib, 2);
10167 /* void this::stelemref (size_t idx, void* value) */
10168 sig->ret = &mono_defaults.void_class->byval_arg;
10169 sig->hasthis = TRUE;
10170 sig->params [0] = &mono_defaults.int_class->byval_arg; /* this is a natural sized int */
10171 sig->params [1] = &mono_defaults.object_class->byval_arg;
10175 /*For now simply call plain old stelemref*/
10177 case STELEMREF_OBJECT:
10178 /* ldelema (implicit bound check) */
10179 load_array_element_address (mb);
10181 mono_mb_emit_ldarg (mb, 2);
10182 mono_mb_emit_byte (mb, CEE_STIND_REF);
10183 mono_mb_emit_byte (mb, CEE_RET);
10186 case STELEMREF_COMPLEX:
10188 <ldelema (bound check)>
10191 if (!mono_object_isinst (value, aklass))
10195 *array_slot_addr = value;
10198 throw new ArrayTypeMismatchException ();
10201 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10202 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
10206 /*Use this to debug/record stores that are going thru the slow path*/
10207 MonoMethodSignature *csig;
10208 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
10209 csig->ret = &mono_defaults.void_class->byval_arg;
10210 csig->params [0] = &mono_defaults.object_class->byval_arg;
10211 csig->params [1] = &mono_defaults.int_class->byval_arg; /* this is a natural sized int */
10212 csig->params [2] = &mono_defaults.object_class->byval_arg;
10213 mono_mb_emit_ldarg (mb, 0);
10214 mono_mb_emit_ldarg (mb, 1);
10215 mono_mb_emit_ldarg (mb, 2);
10216 mono_mb_emit_native_call (mb, csig, record_slot_vstore);
10220 /* ldelema (implicit bound check) */
10221 load_array_element_address (mb);
10222 mono_mb_emit_stloc (mb, array_slot_addr);
10224 /* if (!value) goto do_store */
10225 mono_mb_emit_ldarg (mb, 2);
10226 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
10228 /* aklass = array->vtable->klass->element_class */
10229 load_array_class (mb, aklass);
10231 /*if (mono_object_isinst (value, aklass)) */
10232 mono_mb_emit_ldarg (mb, 2);
10233 mono_mb_emit_ldloc (mb, aklass);
10234 mono_mb_emit_icall (mb, mono_object_isinst);
10235 b2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
10238 mono_mb_patch_branch (mb, b1);
10239 mono_mb_emit_ldloc (mb, array_slot_addr);
10240 mono_mb_emit_ldarg (mb, 2);
10241 mono_mb_emit_byte (mb, CEE_STIND_REF);
10242 mono_mb_emit_byte (mb, CEE_RET);
10244 /* do_exception: */
10245 mono_mb_patch_branch (mb, b2);
10247 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
10250 case STELEMREF_SEALED_CLASS:
10252 <ldelema (bound check)>
10256 aklass = array->vtable->klass->element_class;
10257 vklass = value->vtable->klass;
10259 if (vklass != aklass)
10263 *array_slot_addr = value;
10266 throw new ArrayTypeMismatchException ();
10268 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10269 vklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10270 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
10273 /* ldelema (implicit bound check) */
10274 load_array_element_address (mb);
10275 mono_mb_emit_stloc (mb, array_slot_addr);
10277 /* if (!value) goto do_store */
10278 mono_mb_emit_ldarg (mb, 2);
10279 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
10281 /* aklass = array->vtable->klass->element_class */
10282 load_array_class (mb, aklass);
10284 /* vklass = value->vtable->klass */
10285 load_value_class (mb, vklass);
10287 /*if (vklass != aklass) goto do_exception; */
10288 mono_mb_emit_ldloc (mb, aklass);
10289 mono_mb_emit_ldloc (mb, vklass);
10290 b2 = mono_mb_emit_branch (mb, CEE_BNE_UN);
10293 mono_mb_patch_branch (mb, b1);
10294 mono_mb_emit_ldloc (mb, array_slot_addr);
10295 mono_mb_emit_ldarg (mb, 2);
10296 mono_mb_emit_byte (mb, CEE_STIND_REF);
10297 mono_mb_emit_byte (mb, CEE_RET);
10299 /* do_exception: */
10300 mono_mb_patch_branch (mb, b2);
10301 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
10304 case STELEMREF_CLASS:
10307 <ldelema (bound check)>
10311 aklass = array->vtable->klass->element_class;
10312 vklass = value->vtable->klass;
10314 if (vklass->idepth < aklass->idepth)
10317 if (vklass->supertypes [aklass->idepth - 1] != aklass)
10321 *array_slot_addr = value;
10325 throw new ArrayTypeMismatchException ();
10327 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10328 vklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10329 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
10331 /* ldelema (implicit bound check) */
10332 load_array_element_address (mb);
10333 mono_mb_emit_stloc (mb, array_slot_addr);
10335 /* if (!value) goto do_store */
10336 mono_mb_emit_ldarg (mb, 2);
10337 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
10339 /* aklass = array->vtable->klass->element_class */
10340 load_array_class (mb, aklass);
10342 /* vklass = value->vtable->klass */
10343 load_value_class (mb, vklass);
10345 /*if (mono_object_isinst (value, aklass)) */
10346 mono_mb_emit_ldarg (mb, 2);
10347 mono_mb_emit_ldloc (mb, aklass);
10348 mono_mb_emit_icall (mb, mono_object_isinst);
10349 b2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
10351 /* if (vklass->idepth < aklass->idepth) goto failue */
10352 mono_mb_emit_ldloc (mb, vklass);
10353 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
10354 mono_mb_emit_byte (mb, CEE_LDIND_U2);
10356 mono_mb_emit_ldloc (mb, aklass);
10357 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
10358 mono_mb_emit_byte (mb, CEE_LDIND_U2);
10360 b2 = mono_mb_emit_branch (mb, CEE_BLT_UN);
10362 /* if (vklass->supertypes [aklass->idepth - 1] != aklass) goto failure */
10363 mono_mb_emit_ldloc (mb, vklass);
10364 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, supertypes));
10365 mono_mb_emit_byte (mb, CEE_LDIND_I);
10367 mono_mb_emit_ldloc (mb, aklass);
10368 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
10369 mono_mb_emit_byte (mb, CEE_LDIND_U2);
10370 mono_mb_emit_icon (mb, 1);
10371 mono_mb_emit_byte (mb, CEE_SUB);
10372 mono_mb_emit_icon (mb, sizeof (void*));
10373 mono_mb_emit_byte (mb, CEE_MUL);
10374 mono_mb_emit_byte (mb, CEE_ADD);
10375 mono_mb_emit_byte (mb, CEE_LDIND_I);
10377 mono_mb_emit_ldloc (mb, aklass);
10378 b3 = mono_mb_emit_branch (mb, CEE_BNE_UN);
10381 mono_mb_patch_branch (mb, b1);
10382 mono_mb_emit_ldloc (mb, array_slot_addr);
10383 mono_mb_emit_ldarg (mb, 2);
10384 mono_mb_emit_byte (mb, CEE_STIND_REF);
10385 mono_mb_emit_byte (mb, CEE_RET);
10387 /* do_exception: */
10388 mono_mb_patch_branch (mb, b2);
10389 mono_mb_patch_branch (mb, b3);
10391 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
10394 case STELEMREF_INTERFACE:
10401 klass = array->obj.vtable->klass->element_class;
10402 vt = value->vtable;
10403 uiid = klass->interface_id;
10404 if (uiid > vt->max_interface_id)
10406 if (!(vt->interface_bitmap [(uiid) >> 3] & (1 << ((uiid)&7))))
10409 mono_array_setref (array, index, value);
10412 mono_raise_exception (mono_get_exception_array_type_mismatch ());*/
10414 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
10415 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10416 vtable = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10417 uiid = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
10419 /* ldelema (implicit bound check) */
10420 load_array_element_address (mb);
10421 mono_mb_emit_stloc (mb, array_slot_addr);
10423 /* if (!value) goto do_store */
10424 mono_mb_emit_ldarg (mb, 2);
10425 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
10427 /* klass = array->vtable->klass->element_class */
10428 load_array_class (mb, aklass);
10430 /* vt = value->vtable */
10431 mono_mb_emit_ldarg (mb, 2);
10432 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
10433 mono_mb_emit_byte (mb, CEE_LDIND_I);
10434 mono_mb_emit_stloc (mb, vtable);
10436 /* uiid = klass->interface_id; */
10437 mono_mb_emit_ldloc (mb, aklass);
10438 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, interface_id));
10439 mono_mb_emit_byte (mb, CEE_LDIND_U2);
10440 mono_mb_emit_stloc (mb, uiid);
10442 /*if (uiid > vt->max_interface_id)*/
10443 mono_mb_emit_ldloc (mb, uiid);
10444 mono_mb_emit_ldloc (mb, vtable);
10445 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, max_interface_id));
10446 mono_mb_emit_byte (mb, CEE_LDIND_U2);
10447 b2 = mono_mb_emit_branch (mb, CEE_BGT_UN);
10449 /* if (!(vt->interface_bitmap [(uiid) >> 3] & (1 << ((uiid)&7)))) */
10451 /*vt->interface_bitmap*/
10452 mono_mb_emit_ldloc (mb, vtable);
10453 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, interface_bitmap));
10454 mono_mb_emit_byte (mb, CEE_LDIND_I);
10457 mono_mb_emit_ldloc (mb, uiid);
10458 mono_mb_emit_icon (mb, 3);
10459 mono_mb_emit_byte (mb, CEE_SHR_UN);
10461 /*vt->interface_bitmap [(uiid) >> 3]*/
10462 mono_mb_emit_byte (mb, CEE_ADD); /*interface_bitmap is a guint8 array*/
10463 mono_mb_emit_byte (mb, CEE_LDIND_U1);
10465 /*(1 << ((uiid)&7)))*/
10466 mono_mb_emit_icon (mb, 1);
10467 mono_mb_emit_ldloc (mb, uiid);
10468 mono_mb_emit_icon (mb, 7);
10469 mono_mb_emit_byte (mb, CEE_AND);
10470 mono_mb_emit_byte (mb, CEE_SHL);
10472 /*bitwise and the whole thing*/
10473 mono_mb_emit_byte (mb, CEE_AND);
10474 b3 = mono_mb_emit_branch (mb, CEE_BRFALSE);
10477 mono_mb_patch_branch (mb, b1);
10478 mono_mb_emit_ldloc (mb, array_slot_addr);
10479 mono_mb_emit_ldarg (mb, 2);
10480 mono_mb_emit_byte (mb, CEE_STIND_REF);
10481 mono_mb_emit_byte (mb, CEE_RET);
10483 /* do_exception: */
10484 mono_mb_patch_branch (mb, b2);
10485 mono_mb_patch_branch (mb, b3);
10486 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
10490 mono_mb_emit_ldarg (mb, 0);
10491 mono_mb_emit_ldarg (mb, 1);
10492 mono_mb_emit_ldarg (mb, 2);
10493 mono_mb_emit_managed_call (mb, mono_marshal_get_stelemref (), NULL);
10494 mono_mb_emit_byte (mb, CEE_RET);
10498 res = mono_mb_create_method (mb, signature, 4);
10499 res->flags |= METHOD_ATTRIBUTE_VIRTUAL;
10501 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_VIRTUAL_STELEMREF);
10502 info->d.virtual_stelemref.kind = kind;
10503 mono_marshal_set_wrapper_info (res, info);
10505 mono_marshal_lock ();
10506 if (!cached_methods [kind]) {
10507 cached_methods [kind] = res;
10508 mono_marshal_unlock ();
10510 mono_marshal_unlock ();
10511 mono_free_method (res);
10515 return cached_methods [kind];
10519 * The wrapper info for the wrapper is a WrapperInfo structure.
10522 mono_marshal_get_stelemref ()
10524 static MonoMethod* ret = NULL;
10525 MonoMethodSignature *sig;
10526 MonoMethodBuilder *mb;
10529 guint32 b1, b2, b3, b4;
10531 int aklass, vklass;
10532 int array_slot_addr;
10537 mb = mono_mb_new (mono_defaults.object_class, "stelemref", MONO_WRAPPER_STELEMREF);
10540 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
10542 /* void stelemref (void* array, int idx, void* value) */
10543 sig->ret = &mono_defaults.void_class->byval_arg;
10544 sig->params [0] = &mono_defaults.object_class->byval_arg;
10545 sig->params [1] = &mono_defaults.int_class->byval_arg; /* this is a natural sized int */
10546 sig->params [2] = &mono_defaults.object_class->byval_arg;
10548 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10549 vklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10550 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
10554 <ldelema (bound check)>
10558 aklass = array->vtable->klass->element_class;
10559 vklass = value->vtable->klass;
10561 if (vklass->idepth < aklass->idepth)
10564 if (vklass->supertypes [aklass->idepth - 1] != aklass)
10568 *array_slot_addr = value;
10572 if (mono_object_isinst (value, aklass))
10575 throw new ArrayTypeMismatchException ();
10578 /* ldelema (implicit bound check) */
10579 mono_mb_emit_ldarg (mb, 0);
10580 mono_mb_emit_ldarg (mb, 1);
10581 mono_mb_emit_op (mb, CEE_LDELEMA, mono_defaults.object_class);
10582 mono_mb_emit_stloc (mb, array_slot_addr);
10584 /* if (!value) goto do_store */
10585 mono_mb_emit_ldarg (mb, 2);
10586 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
10588 /* aklass = array->vtable->klass->element_class */
10589 mono_mb_emit_ldarg (mb, 0);
10590 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
10591 mono_mb_emit_byte (mb, CEE_LDIND_I);
10592 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, klass));
10593 mono_mb_emit_byte (mb, CEE_LDIND_I);
10594 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, element_class));
10595 mono_mb_emit_byte (mb, CEE_LDIND_I);
10596 mono_mb_emit_stloc (mb, aklass);
10598 /* vklass = value->vtable->klass */
10599 mono_mb_emit_ldarg (mb, 2);
10600 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
10601 mono_mb_emit_byte (mb, CEE_LDIND_I);
10602 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, klass));
10603 mono_mb_emit_byte (mb, CEE_LDIND_I);
10604 mono_mb_emit_stloc (mb, vklass);
10606 /* if (vklass->idepth < aklass->idepth) goto failue */
10607 mono_mb_emit_ldloc (mb, vklass);
10608 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
10609 mono_mb_emit_byte (mb, CEE_LDIND_U2);
10611 mono_mb_emit_ldloc (mb, aklass);
10612 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
10613 mono_mb_emit_byte (mb, CEE_LDIND_U2);
10615 b2 = mono_mb_emit_branch (mb, CEE_BLT_UN);
10617 /* if (vklass->supertypes [aklass->idepth - 1] != aklass) goto failure */
10618 mono_mb_emit_ldloc (mb, vklass);
10619 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, supertypes));
10620 mono_mb_emit_byte (mb, CEE_LDIND_I);
10622 mono_mb_emit_ldloc (mb, aklass);
10623 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
10624 mono_mb_emit_byte (mb, CEE_LDIND_U2);
10625 mono_mb_emit_icon (mb, 1);
10626 mono_mb_emit_byte (mb, CEE_SUB);
10627 mono_mb_emit_icon (mb, sizeof (void*));
10628 mono_mb_emit_byte (mb, CEE_MUL);
10629 mono_mb_emit_byte (mb, CEE_ADD);
10630 mono_mb_emit_byte (mb, CEE_LDIND_I);
10632 mono_mb_emit_ldloc (mb, aklass);
10634 b3 = mono_mb_emit_branch (mb, CEE_BNE_UN);
10636 copy_pos = mono_mb_get_label (mb);
10638 mono_mb_patch_branch (mb, b1);
10639 mono_mb_emit_ldloc (mb, array_slot_addr);
10640 mono_mb_emit_ldarg (mb, 2);
10641 mono_mb_emit_byte (mb, CEE_STIND_REF);
10643 mono_mb_emit_byte (mb, CEE_RET);
10646 mono_mb_patch_branch (mb, b2);
10647 mono_mb_patch_branch (mb, b3);
10649 mono_mb_emit_ldarg (mb, 2);
10650 mono_mb_emit_ldloc (mb, aklass);
10651 mono_mb_emit_icall (mb, mono_object_isinst);
10653 b4 = mono_mb_emit_branch (mb, CEE_BRTRUE);
10654 mono_mb_patch_addr (mb, b4, copy_pos - (b4 + 4));
10655 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
10657 mono_mb_emit_byte (mb, CEE_RET);
10658 ret = mono_mb_create_method (mb, sig, 4);
10661 info = mono_wrapper_info_create (ret, WRAPPER_SUBTYPE_NONE);
10662 mono_marshal_set_wrapper_info (ret, info);
10668 * mono_marshal_get_gsharedvt_in_wrapper:
10670 * This wrapper handles calls from normal code to gsharedvt code.
10672 * The wrapper info for the wrapper is a WrapperInfo structure.
10675 mono_marshal_get_gsharedvt_in_wrapper (void)
10677 static MonoMethod* ret = NULL;
10678 MonoMethodSignature *sig;
10679 MonoMethodBuilder *mb;
10685 mb = mono_mb_new (mono_defaults.object_class, "gsharedvt_in", MONO_WRAPPER_UNKNOWN);
10687 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
10688 sig->ret = &mono_defaults.void_class->byval_arg;
10691 * The body is generated by the JIT, we use a wrapper instead of a trampoline so EH works.
10693 mono_mb_emit_byte (mb, CEE_RET);
10695 ret = mono_mb_create_method (mb, sig, 4);
10698 info = mono_wrapper_info_create (ret, WRAPPER_SUBTYPE_GSHAREDVT_IN);
10699 mono_marshal_set_wrapper_info (ret, info);
10705 * mono_marshal_get_gsharedvt_out_wrapper:
10707 * This wrapper handles calls from gsharedvt code to normal code.
10709 * The wrapper info for the wrapper is a WrapperInfo structure.
10712 mono_marshal_get_gsharedvt_out_wrapper (void)
10714 static MonoMethod* ret = NULL;
10715 MonoMethodSignature *sig;
10716 MonoMethodBuilder *mb;
10722 mb = mono_mb_new (mono_defaults.object_class, "gsharedvt_out", MONO_WRAPPER_UNKNOWN);
10724 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
10725 sig->ret = &mono_defaults.void_class->byval_arg;
10728 * The body is generated by the JIT, we use a wrapper instead of a trampoline so EH works.
10730 mono_mb_emit_byte (mb, CEE_RET);
10732 ret = mono_mb_create_method (mb, sig, 4);
10735 info = mono_wrapper_info_create (ret, WRAPPER_SUBTYPE_GSHAREDVT_OUT);
10736 mono_marshal_set_wrapper_info (ret, info);
10744 MonoMethod *method;
10747 /* LOCKING: vars accessed under the marshal lock */
10748 static ArrayElemAddr *elem_addr_cache = NULL;
10749 static int elem_addr_cache_size = 0;
10750 static int elem_addr_cache_next = 0;
10753 * mono_marshal_get_array_address:
10754 * @rank: rank of the array type
10755 * @elem_size: size in bytes of an element of an array.
10757 * Returns a MonoMethd that implements the code to get the address
10758 * of an element in a multi-dimenasional array of @rank dimensions.
10759 * The returned method takes an array as the first argument and then
10760 * @rank indexes for the @rank dimensions.
10763 mono_marshal_get_array_address (int rank, int elem_size)
10766 MonoMethodBuilder *mb;
10767 MonoMethodSignature *sig;
10768 int i, bounds, ind, realidx;
10769 int branch_pos, *branch_positions;
10773 mono_marshal_lock ();
10774 for (i = 0; i < elem_addr_cache_next; ++i) {
10775 if (elem_addr_cache [i].rank == rank && elem_addr_cache [i].elem_size == elem_size) {
10776 ret = elem_addr_cache [i].method;
10780 mono_marshal_unlock ();
10784 branch_positions = g_new0 (int, rank);
10786 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1 + rank);
10788 /* void* address (void* array, int idx0, int idx1, int idx2, ...) */
10789 sig->ret = &mono_defaults.int_class->byval_arg;
10790 sig->params [0] = &mono_defaults.object_class->byval_arg;
10791 for (i = 0; i < rank; ++i) {
10792 sig->params [i + 1] = &mono_defaults.int32_class->byval_arg;
10795 mb = mono_mb_new (mono_defaults.object_class, "ElementAddr", MONO_WRAPPER_MANAGED_TO_MANAGED);
10797 bounds = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10798 ind = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
10799 realidx = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
10801 /* bounds = array->bounds; */
10802 mono_mb_emit_ldarg (mb, 0);
10803 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoArray, bounds));
10804 mono_mb_emit_byte (mb, CEE_LDIND_I);
10805 mono_mb_emit_stloc (mb, bounds);
10807 /* ind is the overall element index, realidx is the partial index in a single dimension */
10808 /* ind = idx0 - bounds [0].lower_bound */
10809 mono_mb_emit_ldarg (mb, 1);
10810 mono_mb_emit_ldloc (mb, bounds);
10811 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArrayBounds, lower_bound));
10812 mono_mb_emit_byte (mb, CEE_ADD);
10813 mono_mb_emit_byte (mb, CEE_LDIND_I4);
10814 mono_mb_emit_byte (mb, CEE_SUB);
10815 mono_mb_emit_stloc (mb, ind);
10816 /* if (ind >= bounds [0].length) goto exeception; */
10817 mono_mb_emit_ldloc (mb, ind);
10818 mono_mb_emit_ldloc (mb, bounds);
10819 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArrayBounds, length));
10820 mono_mb_emit_byte (mb, CEE_ADD);
10821 mono_mb_emit_byte (mb, CEE_LDIND_I4);
10822 /* note that we use unsigned comparison */
10823 branch_pos = mono_mb_emit_branch (mb, CEE_BGE_UN);
10825 /* For large ranks (> 4?) use a loop n IL later to reduce code size.
10826 * We could also decide to ignore the passed elem_size and get it
10827 * from the array object, to reduce the number of methods we generate:
10828 * the additional cost is 3 memory loads and a non-immediate mul.
10830 for (i = 1; i < rank; ++i) {
10831 /* realidx = idxi - bounds [i].lower_bound */
10832 mono_mb_emit_ldarg (mb, 1 + i);
10833 mono_mb_emit_ldloc (mb, bounds);
10834 mono_mb_emit_icon (mb, (i * sizeof (MonoArrayBounds)) + G_STRUCT_OFFSET (MonoArrayBounds, lower_bound));
10835 mono_mb_emit_byte (mb, CEE_ADD);
10836 mono_mb_emit_byte (mb, CEE_LDIND_I4);
10837 mono_mb_emit_byte (mb, CEE_SUB);
10838 mono_mb_emit_stloc (mb, realidx);
10839 /* if (realidx >= bounds [i].length) goto exeception; */
10840 mono_mb_emit_ldloc (mb, realidx);
10841 mono_mb_emit_ldloc (mb, bounds);
10842 mono_mb_emit_icon (mb, (i * sizeof (MonoArrayBounds)) + G_STRUCT_OFFSET (MonoArrayBounds, length));
10843 mono_mb_emit_byte (mb, CEE_ADD);
10844 mono_mb_emit_byte (mb, CEE_LDIND_I4);
10845 branch_positions [i] = mono_mb_emit_branch (mb, CEE_BGE_UN);
10846 /* ind = ind * bounds [i].length + realidx */
10847 mono_mb_emit_ldloc (mb, ind);
10848 mono_mb_emit_ldloc (mb, bounds);
10849 mono_mb_emit_icon (mb, (i * sizeof (MonoArrayBounds)) + G_STRUCT_OFFSET (MonoArrayBounds, length));
10850 mono_mb_emit_byte (mb, CEE_ADD);
10851 mono_mb_emit_byte (mb, CEE_LDIND_I4);
10852 mono_mb_emit_byte (mb, CEE_MUL);
10853 mono_mb_emit_ldloc (mb, realidx);
10854 mono_mb_emit_byte (mb, CEE_ADD);
10855 mono_mb_emit_stloc (mb, ind);
10858 /* return array->vector + ind * element_size */
10859 mono_mb_emit_ldarg (mb, 0);
10860 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoArray, vector));
10861 mono_mb_emit_ldloc (mb, ind);
10862 mono_mb_emit_icon (mb, elem_size);
10863 mono_mb_emit_byte (mb, CEE_MUL);
10864 mono_mb_emit_byte (mb, CEE_ADD);
10865 mono_mb_emit_byte (mb, CEE_RET);
10867 /* patch the branches to get here and throw */
10868 for (i = 1; i < rank; ++i) {
10869 mono_mb_patch_branch (mb, branch_positions [i]);
10871 mono_mb_patch_branch (mb, branch_pos);
10872 /* throw exception */
10873 mono_mb_emit_exception (mb, "IndexOutOfRangeException", NULL);
10875 g_free (branch_positions);
10876 ret = mono_mb_create_method (mb, sig, 4);
10879 /* cache the result */
10881 mono_marshal_lock ();
10882 for (i = 0; i < elem_addr_cache_next; ++i) {
10883 if (elem_addr_cache [i].rank == rank && elem_addr_cache [i].elem_size == elem_size) {
10884 /* FIXME: free ret */
10885 ret = elem_addr_cache [i].method;
10893 if (elem_addr_cache_next >= elem_addr_cache_size) {
10894 int new_size = elem_addr_cache_size + 4;
10895 ArrayElemAddr *new_array = g_new0 (ArrayElemAddr, new_size);
10896 memcpy (new_array, elem_addr_cache, elem_addr_cache_size * sizeof (ArrayElemAddr));
10897 g_free (elem_addr_cache);
10898 elem_addr_cache = new_array;
10899 elem_addr_cache_size = new_size;
10901 elem_addr_cache [elem_addr_cache_next].rank = rank;
10902 elem_addr_cache [elem_addr_cache_next].elem_size = elem_size;
10903 elem_addr_cache [elem_addr_cache_next].method = ret;
10904 elem_addr_cache_next ++;
10906 info = mono_wrapper_info_create (ret, WRAPPER_SUBTYPE_ELEMENT_ADDR);
10907 info->d.element_addr.rank = rank;
10908 info->d.element_addr.elem_size = elem_size;
10909 mono_marshal_set_wrapper_info (ret, info);
10911 mono_marshal_unlock ();
10916 mono_marshal_alloc (gulong size)
10921 res = CoTaskMemAlloc (size);
10923 res = g_try_malloc ((gulong)size);
10925 mono_gc_out_of_memory ((gulong)size);
10931 mono_marshal_free (gpointer ptr)
10934 CoTaskMemFree (ptr);
10941 mono_marshal_free_array (gpointer *ptr, int size)
10948 for (i = 0; i < size; i++)
10954 mono_marshal_string_to_utf16 (MonoString *s)
10956 return s ? mono_string_chars (s) : NULL;
10960 mono_marshal_string_to_utf16_copy (MonoString *s)
10965 gunichar2 *res = mono_marshal_alloc ((mono_string_length (s) * 2) + 2);
10966 memcpy (res, mono_string_chars (s), mono_string_length (s) * 2);
10967 res [mono_string_length (s)] = 0;
10973 * mono_marshal_set_last_error:
10975 * This function is invoked to set the last error value from a P/Invoke call
10976 * which has SetLastError set.
10979 mono_marshal_set_last_error (void)
10982 mono_native_tls_set_value (last_error_tls_id, GINT_TO_POINTER (GetLastError ()));
10984 mono_native_tls_set_value (last_error_tls_id, GINT_TO_POINTER (errno));
10989 mono_marshal_set_last_error_windows (int error)
10992 mono_native_tls_set_value (last_error_tls_id, GINT_TO_POINTER (error));
10997 ves_icall_System_Runtime_InteropServices_Marshal_copy_to_unmanaged (MonoArray *src, gint32 start_index,
10998 gpointer dest, gint32 length)
11003 MONO_ARCH_SAVE_REGS;
11005 MONO_CHECK_ARG_NULL (src);
11006 MONO_CHECK_ARG_NULL (dest);
11008 if (src->obj.vtable->klass->rank != 1)
11009 mono_raise_exception (mono_get_exception_argument ("array", "array is multi-dimensional"));
11010 if (start_index < 0)
11011 mono_raise_exception (mono_get_exception_argument ("startIndex", "Must be >= 0"));
11013 mono_raise_exception (mono_get_exception_argument ("length", "Must be >= 0"));
11014 if (start_index + length > mono_array_length (src))
11015 mono_raise_exception (mono_get_exception_argument ("length", "start_index + length > array length"));
11017 element_size = mono_array_element_size (src->obj.vtable->klass);
11019 /* no references should be involved */
11020 source_addr = mono_array_addr_with_size (src, element_size, start_index);
11022 memcpy (dest, source_addr, length * element_size);
11026 ves_icall_System_Runtime_InteropServices_Marshal_copy_from_unmanaged (gpointer src, gint32 start_index,
11027 MonoArray *dest, gint32 length)
11032 MONO_ARCH_SAVE_REGS;
11034 MONO_CHECK_ARG_NULL (src);
11035 MONO_CHECK_ARG_NULL (dest);
11037 if (dest->obj.vtable->klass->rank != 1)
11038 mono_raise_exception (mono_get_exception_argument ("array", "array is multi-dimensional"));
11039 if (start_index < 0)
11040 mono_raise_exception (mono_get_exception_argument ("startIndex", "Must be >= 0"));
11042 mono_raise_exception (mono_get_exception_argument ("length", "Must be >= 0"));
11043 if (start_index + length > mono_array_length (dest))
11044 mono_raise_exception (mono_get_exception_argument ("length", "start_index + length > array length"));
11046 element_size = mono_array_element_size (dest->obj.vtable->klass);
11048 /* no references should be involved */
11049 dest_addr = mono_array_addr_with_size (dest, element_size, start_index);
11051 memcpy (dest_addr, src, length * element_size);
11054 #if NO_UNALIGNED_ACCESS
11055 #define RETURN_UNALIGNED(type, addr) \
11058 memcpy(&val, p + offset, sizeof(val)); \
11061 #define WRITE_UNALIGNED(type, addr, val) \
11062 memcpy(addr, &val, sizeof(type))
11064 #define RETURN_UNALIGNED(type, addr) \
11065 return *(type*)(p + offset);
11066 #define WRITE_UNALIGNED(type, addr, val) \
11067 (*(type *)(addr) = (val))
11071 ves_icall_System_Runtime_InteropServices_Marshal_ReadIntPtr (gpointer ptr, gint32 offset)
11075 MONO_ARCH_SAVE_REGS;
11077 RETURN_UNALIGNED(gpointer, p + offset);
11081 ves_icall_System_Runtime_InteropServices_Marshal_ReadByte (gpointer ptr, gint32 offset)
11085 MONO_ARCH_SAVE_REGS;
11087 return *(unsigned char*)(p + offset);
11091 ves_icall_System_Runtime_InteropServices_Marshal_ReadInt16 (gpointer ptr, gint32 offset)
11095 MONO_ARCH_SAVE_REGS;
11097 RETURN_UNALIGNED(gint16, p + offset);
11101 ves_icall_System_Runtime_InteropServices_Marshal_ReadInt32 (gpointer ptr, gint32 offset)
11105 MONO_ARCH_SAVE_REGS;
11107 RETURN_UNALIGNED(gint32, p + offset);
11111 ves_icall_System_Runtime_InteropServices_Marshal_ReadInt64 (gpointer ptr, gint32 offset)
11115 MONO_ARCH_SAVE_REGS;
11117 RETURN_UNALIGNED(gint64, p + offset);
11121 ves_icall_System_Runtime_InteropServices_Marshal_WriteByte (gpointer ptr, gint32 offset, unsigned char val)
11125 MONO_ARCH_SAVE_REGS;
11127 *(unsigned char*)(p + offset) = val;
11131 ves_icall_System_Runtime_InteropServices_Marshal_WriteIntPtr (gpointer ptr, gint32 offset, gpointer val)
11135 MONO_ARCH_SAVE_REGS;
11137 WRITE_UNALIGNED(gpointer, p + offset, val);
11141 ves_icall_System_Runtime_InteropServices_Marshal_WriteInt16 (gpointer ptr, gint32 offset, gint16 val)
11145 MONO_ARCH_SAVE_REGS;
11147 WRITE_UNALIGNED(gint16, p + offset, val);
11151 ves_icall_System_Runtime_InteropServices_Marshal_WriteInt32 (gpointer ptr, gint32 offset, gint32 val)
11155 MONO_ARCH_SAVE_REGS;
11157 WRITE_UNALIGNED(gint32, p + offset, val);
11161 ves_icall_System_Runtime_InteropServices_Marshal_WriteInt64 (gpointer ptr, gint32 offset, gint64 val)
11165 MONO_ARCH_SAVE_REGS;
11167 WRITE_UNALIGNED(gint64, p + offset, val);
11171 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringAnsi (char *ptr)
11173 MONO_ARCH_SAVE_REGS;
11178 return mono_string_new (mono_domain_get (), ptr);
11182 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringAnsi_len (char *ptr, gint32 len)
11184 MONO_ARCH_SAVE_REGS;
11187 mono_raise_exception (mono_get_exception_argument_null ("ptr"));
11188 g_assert_not_reached ();
11191 return mono_string_new_len (mono_domain_get (), ptr, len);
11196 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringUni (guint16 *ptr)
11198 MonoDomain *domain = mono_domain_get ();
11202 MONO_ARCH_SAVE_REGS;
11210 return mono_string_new_utf16 (domain, ptr, len);
11214 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringUni_len (guint16 *ptr, gint32 len)
11216 MonoDomain *domain = mono_domain_get ();
11218 MONO_ARCH_SAVE_REGS;
11221 mono_raise_exception (mono_get_exception_argument_null ("ptr"));
11222 g_assert_not_reached ();
11225 return mono_string_new_utf16 (domain, ptr, len);
11230 ves_icall_System_Runtime_InteropServices_Marshal_GetLastWin32Error (void)
11232 MONO_ARCH_SAVE_REGS;
11234 return (GPOINTER_TO_INT (mono_native_tls_get_value (last_error_tls_id)));
11238 ves_icall_System_Runtime_InteropServices_Marshal_SizeOf (MonoReflectionType *rtype)
11244 MONO_ARCH_SAVE_REGS;
11246 MONO_CHECK_ARG_NULL (rtype);
11248 type = rtype->type;
11249 klass = mono_class_from_mono_type (type);
11250 if (!mono_class_init (klass))
11251 mono_raise_exception (mono_class_get_exception_for_failure (klass));
11253 layout = (klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK);
11255 if (layout == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
11257 MonoException *exc;
11259 msg = g_strdup_printf ("Type %s cannot be marshaled as an unmanaged structure.", klass->name);
11260 exc = mono_get_exception_argument ("t", msg);
11262 mono_raise_exception (exc);
11266 return mono_class_native_size (klass, NULL);
11270 ves_icall_System_Runtime_InteropServices_Marshal_StructureToPtr (MonoObject *obj, gpointer dst, MonoBoolean delete_old)
11272 MonoMethod *method;
11275 MONO_ARCH_SAVE_REGS;
11277 MONO_CHECK_ARG_NULL (obj);
11278 MONO_CHECK_ARG_NULL (dst);
11280 method = mono_marshal_get_struct_to_ptr (obj->vtable->klass);
11284 pa [2] = &delete_old;
11286 mono_runtime_invoke (method, NULL, pa, NULL);
11290 ptr_to_structure (gpointer src, MonoObject *dst)
11292 MonoMethod *method;
11295 method = mono_marshal_get_ptr_to_struct (dst->vtable->klass);
11300 mono_runtime_invoke (method, NULL, pa, NULL);
11304 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure (gpointer src, MonoObject *dst)
11308 MONO_ARCH_SAVE_REGS;
11310 MONO_CHECK_ARG_NULL (src);
11311 MONO_CHECK_ARG_NULL (dst);
11313 t = mono_type_get_underlying_type (mono_class_get_type (dst->vtable->klass));
11315 if (t->type == MONO_TYPE_VALUETYPE) {
11316 MonoException *exc;
11319 tmp = g_strdup_printf ("Destination is a boxed value type.");
11320 exc = mono_get_exception_argument ("dst", tmp);
11323 mono_raise_exception (exc);
11327 ptr_to_structure (src, dst);
11331 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure_type (gpointer src, MonoReflectionType *type)
11334 MonoDomain *domain = mono_domain_get ();
11337 MONO_ARCH_SAVE_REGS;
11339 MONO_CHECK_ARG_NULL (src);
11340 MONO_CHECK_ARG_NULL (type);
11342 klass = mono_class_from_mono_type (type->type);
11343 if (!mono_class_init (klass))
11344 mono_raise_exception (mono_class_get_exception_for_failure (klass));
11346 res = mono_object_new (domain, klass);
11348 ptr_to_structure (src, res);
11354 ves_icall_System_Runtime_InteropServices_Marshal_OffsetOf (MonoReflectionType *type, MonoString *field_name)
11356 MonoMarshalType *info;
11359 int match_index = -1;
11361 MONO_ARCH_SAVE_REGS;
11363 MONO_CHECK_ARG_NULL (type);
11364 MONO_CHECK_ARG_NULL (field_name);
11366 fname = mono_string_to_utf8 (field_name);
11367 klass = mono_class_from_mono_type (type->type);
11368 if (!mono_class_init (klass))
11369 mono_raise_exception (mono_class_get_exception_for_failure (klass));
11371 while (klass && match_index == -1) {
11372 MonoClassField* field;
11374 gpointer iter = NULL;
11375 while ((field = mono_class_get_fields (klass, &iter))) {
11376 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
11378 if (!strcmp (fname, mono_field_get_name (field))) {
11385 if (match_index == -1)
11386 klass = klass->parent;
11391 if(match_index == -1) {
11392 MonoException* exc;
11395 /* Get back original class instance */
11396 klass = mono_class_from_mono_type (type->type);
11398 tmp = g_strdup_printf ("Field passed in is not a marshaled member of the type %s", klass->name);
11399 exc = mono_get_exception_argument ("fieldName", tmp);
11402 mono_raise_exception ((MonoException*)exc);
11405 info = mono_marshal_load_type_info (klass);
11406 return info->fields [match_index].offset;
11410 ves_icall_System_Runtime_InteropServices_Marshal_StringToHGlobalAnsi (MonoString *string)
11415 tres = mono_string_to_utf8 (string);
11419 len = strlen (tres) + 1;
11420 ret = ves_icall_System_Runtime_InteropServices_Marshal_AllocHGlobal (len);
11421 memcpy (ret, tres, len);
11426 return mono_string_to_utf8 (string);
11431 ves_icall_System_Runtime_InteropServices_Marshal_StringToHGlobalUni (MonoString *string)
11433 MONO_ARCH_SAVE_REGS;
11435 if (string == NULL)
11438 #ifdef TARGET_WIN32
11439 gunichar2 *res = ves_icall_System_Runtime_InteropServices_Marshal_AllocHGlobal
11440 ((mono_string_length (string) + 1) * 2);
11442 gunichar2 *res = g_malloc ((mono_string_length (string) + 1) * 2);
11444 memcpy (res, mono_string_chars (string), mono_string_length (string) * 2);
11445 res [mono_string_length (string)] = 0;
11451 mono_struct_delete_old (MonoClass *klass, char *ptr)
11453 MonoMarshalType *info;
11456 info = mono_marshal_load_type_info (klass);
11458 for (i = 0; i < info->num_fields; i++) {
11459 MonoMarshalNative ntype;
11460 MonoMarshalConv conv;
11461 MonoType *ftype = info->fields [i].field->type;
11464 if (ftype->attrs & FIELD_ATTRIBUTE_STATIC)
11467 ntype = mono_type_to_unmanaged (ftype, info->fields [i].mspec, TRUE,
11468 klass->unicode, &conv);
11470 cpos = ptr + info->fields [i].offset;
11473 case MONO_MARSHAL_CONV_NONE:
11474 if (MONO_TYPE_ISSTRUCT (ftype)) {
11475 mono_struct_delete_old (ftype->data.klass, cpos);
11479 case MONO_MARSHAL_CONV_STR_LPWSTR:
11480 /* We assume this field points inside a MonoString */
11482 case MONO_MARSHAL_CONV_STR_LPTSTR:
11483 #ifdef TARGET_WIN32
11484 /* We assume this field points inside a MonoString
11488 case MONO_MARSHAL_CONV_STR_LPSTR:
11489 case MONO_MARSHAL_CONV_STR_BSTR:
11490 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
11491 case MONO_MARSHAL_CONV_STR_TBSTR:
11492 mono_marshal_free (*(gpointer *)cpos);
11502 ves_icall_System_Runtime_InteropServices_Marshal_DestroyStructure (gpointer src, MonoReflectionType *type)
11506 MONO_ARCH_SAVE_REGS;
11508 MONO_CHECK_ARG_NULL (src);
11509 MONO_CHECK_ARG_NULL (type);
11511 klass = mono_class_from_mono_type (type->type);
11512 if (!mono_class_init (klass))
11513 mono_raise_exception (mono_class_get_exception_for_failure (klass));
11515 mono_struct_delete_old (klass, (char *)src);
11519 ves_icall_System_Runtime_InteropServices_Marshal_AllocHGlobal (int size)
11523 MONO_ARCH_SAVE_REGS;
11525 if ((gulong)size == 0)
11526 /* This returns a valid pointer for size 0 on MS.NET */
11530 res = GlobalAlloc (GMEM_FIXED, (gulong)size);
11532 res = g_try_malloc ((gulong)size);
11535 mono_gc_out_of_memory ((gulong)size);
11541 ves_icall_System_Runtime_InteropServices_Marshal_ReAllocHGlobal (gpointer ptr, int size)
11546 mono_gc_out_of_memory ((gulong)size);
11551 res = GlobalReAlloc (ptr, (gulong)size, GMEM_MOVEABLE);
11553 res = g_try_realloc (ptr, (gulong)size);
11556 mono_gc_out_of_memory ((gulong)size);
11562 ves_icall_System_Runtime_InteropServices_Marshal_FreeHGlobal (void *ptr)
11564 MONO_ARCH_SAVE_REGS;
11574 ves_icall_System_Runtime_InteropServices_Marshal_AllocCoTaskMem (int size)
11576 MONO_ARCH_SAVE_REGS;
11579 return CoTaskMemAlloc (size);
11581 return g_try_malloc ((gulong)size);
11586 ves_icall_System_Runtime_InteropServices_Marshal_FreeCoTaskMem (void *ptr)
11588 MONO_ARCH_SAVE_REGS;
11591 CoTaskMemFree (ptr);
11598 ves_icall_System_Runtime_InteropServices_Marshal_ReAllocCoTaskMem (gpointer ptr, int size)
11600 MONO_ARCH_SAVE_REGS;
11603 return CoTaskMemRealloc (ptr, size);
11605 return g_try_realloc (ptr, (gulong)size);
11610 ves_icall_System_Runtime_InteropServices_Marshal_UnsafeAddrOfPinnedArrayElement (MonoArray *arrayobj, int index)
11612 return mono_array_addr_with_size (arrayobj, mono_array_element_size (arrayobj->obj.vtable->klass), index);
11616 ves_icall_System_Runtime_InteropServices_Marshal_GetDelegateForFunctionPointerInternal (void *ftn, MonoReflectionType *type)
11618 MonoClass *klass = mono_type_get_class (type->type);
11619 if (!mono_class_init (klass))
11620 mono_raise_exception (mono_class_get_exception_for_failure (klass));
11622 return mono_ftnptr_to_delegate (klass, ftn);
11626 * mono_marshal_is_loading_type_info:
11628 * Return whenever mono_marshal_load_type_info () is being executed for KLASS by this
11632 mono_marshal_is_loading_type_info (MonoClass *klass)
11634 GSList *loads_list = mono_native_tls_get_value (load_type_info_tls_id);
11636 return g_slist_find (loads_list, klass) != NULL;
11640 * mono_marshal_load_type_info:
11642 * Initialize klass->marshal_info using information from metadata. This function can
11643 * recursively call itself, and the caller is responsible to avoid that by calling
11644 * mono_marshal_is_loading_type_info () beforehand.
11646 * LOCKING: Acquires the loader lock.
11649 mono_marshal_load_type_info (MonoClass* klass)
11652 guint32 native_size = 0, min_align = 1, packing;
11653 MonoMarshalType *info;
11654 MonoClassField* field;
11657 GSList *loads_list;
11659 g_assert (klass != NULL);
11661 if (klass->marshal_info)
11662 return klass->marshal_info;
11664 if (!klass->inited)
11665 mono_class_init (klass);
11667 mono_loader_lock ();
11669 if (klass->marshal_info) {
11670 mono_loader_unlock ();
11671 return klass->marshal_info;
11675 * This function can recursively call itself, so we keep the list of classes which are
11676 * under initialization in a TLS list.
11678 g_assert (!mono_marshal_is_loading_type_info (klass));
11679 loads_list = mono_native_tls_get_value (load_type_info_tls_id);
11680 loads_list = g_slist_prepend (loads_list, klass);
11681 mono_native_tls_set_value (load_type_info_tls_id, loads_list);
11684 while ((field = mono_class_get_fields (klass, &iter))) {
11685 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
11687 if (mono_field_is_deleted (field))
11692 layout = klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK;
11694 /* The mempool is protected by the loader lock */
11695 info = mono_image_alloc0 (klass->image, MONO_SIZEOF_MARSHAL_TYPE + sizeof (MonoMarshalField) * count);
11696 info->num_fields = count;
11698 /* Try to find a size for this type in metadata */
11699 mono_metadata_packing_from_typedef (klass->image, klass->type_token, NULL, &native_size);
11701 if (klass->parent) {
11702 int parent_size = mono_class_native_size (klass->parent, NULL);
11704 /* Add parent size to real size */
11705 native_size += parent_size;
11706 info->native_size = parent_size;
11709 packing = klass->packing_size ? klass->packing_size : 8;
11712 while ((field = mono_class_get_fields (klass, &iter))) {
11716 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
11719 if (mono_field_is_deleted (field))
11721 if (field->type->attrs & FIELD_ATTRIBUTE_HAS_FIELD_MARSHAL)
11722 mono_metadata_field_info_with_mempool (klass->image, mono_metadata_token_index (mono_class_get_field_token (field)) - 1,
11723 NULL, NULL, &info->fields [j].mspec);
11725 info->fields [j].field = field;
11727 if ((mono_class_num_fields (klass) == 1) && (klass->instance_size == sizeof (MonoObject)) &&
11728 (strcmp (mono_field_get_name (field), "$PRIVATE$") == 0)) {
11729 /* This field is a hack inserted by MCS to empty structures */
11734 case TYPE_ATTRIBUTE_AUTO_LAYOUT:
11735 case TYPE_ATTRIBUTE_SEQUENTIAL_LAYOUT:
11736 size = mono_marshal_type_size (field->type, info->fields [j].mspec,
11737 &align, TRUE, klass->unicode);
11738 align = klass->packing_size ? MIN (klass->packing_size, align): align;
11739 min_align = MAX (align, min_align);
11740 info->fields [j].offset = info->native_size;
11741 info->fields [j].offset += align - 1;
11742 info->fields [j].offset &= ~(align - 1);
11743 info->native_size = info->fields [j].offset + size;
11745 case TYPE_ATTRIBUTE_EXPLICIT_LAYOUT:
11746 size = mono_marshal_type_size (field->type, info->fields [j].mspec,
11747 &align, TRUE, klass->unicode);
11748 min_align = packing;
11749 info->fields [j].offset = field->offset - sizeof (MonoObject);
11750 info->native_size = MAX (info->native_size, info->fields [j].offset + size);
11756 if (layout != TYPE_ATTRIBUTE_AUTO_LAYOUT) {
11757 info->native_size = MAX (native_size, info->native_size);
11759 * If the provided Size is equal or larger than the calculated size, and there
11760 * was no Pack attribute, we set min_align to 1 to avoid native_size being increased
11762 if (layout == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT)
11763 if (native_size && native_size == info->native_size && klass->packing_size == 0)
11767 if (info->native_size & (min_align - 1)) {
11768 info->native_size += min_align - 1;
11769 info->native_size &= ~(min_align - 1);
11772 info->min_align = min_align;
11774 /* Update the class's blittable info, if the layouts don't match */
11775 if (info->native_size != mono_class_value_size (klass, NULL))
11776 klass->blittable = FALSE;
11778 /* If this is an array type, ensure that we have element info */
11779 if (klass->rank && !mono_marshal_is_loading_type_info (klass->element_class)) {
11780 mono_marshal_load_type_info (klass->element_class);
11783 loads_list = mono_native_tls_get_value (load_type_info_tls_id);
11784 loads_list = g_slist_remove (loads_list, klass);
11785 mono_native_tls_set_value (load_type_info_tls_id, loads_list);
11787 /*We do double-checking locking on marshal_info */
11788 mono_memory_barrier ();
11790 klass->marshal_info = info;
11792 mono_loader_unlock ();
11794 return klass->marshal_info;
11798 * mono_class_native_size:
11801 * Returns: the native size of an object instance (when marshaled
11802 * to unmanaged code)
11805 mono_class_native_size (MonoClass *klass, guint32 *align)
11807 if (!klass->marshal_info) {
11808 if (mono_marshal_is_loading_type_info (klass)) {
11813 mono_marshal_load_type_info (klass);
11818 *align = klass->marshal_info->min_align;
11820 return klass->marshal_info->native_size;
11823 /* __alignof__ returns the preferred alignment of values not the actual alignment used by
11824 the compiler so is wrong e.g. for Linux where doubles are aligned on a 4 byte boundary
11825 but __alignof__ returns 8 - using G_STRUCT_OFFSET works better */
11826 #define ALIGNMENT(type) G_STRUCT_OFFSET(struct { char c; type x; }, x)
11829 * mono_type_native_stack_size:
11830 * @t: the type to return the size it uses on the stack
11832 * Returns: the number of bytes required to hold an instance of this
11833 * type on the native stack
11836 mono_type_native_stack_size (MonoType *t, guint32 *align)
11840 g_assert (t != NULL);
11846 *align = sizeof (gpointer);
11847 return sizeof (gpointer);
11851 case MONO_TYPE_BOOLEAN:
11852 case MONO_TYPE_CHAR:
11863 case MONO_TYPE_STRING:
11864 case MONO_TYPE_OBJECT:
11865 case MONO_TYPE_CLASS:
11866 case MONO_TYPE_SZARRAY:
11867 case MONO_TYPE_PTR:
11868 case MONO_TYPE_FNPTR:
11869 case MONO_TYPE_ARRAY:
11870 *align = sizeof (gpointer);
11871 return sizeof (gpointer);
11876 *align = ALIGNMENT (gdouble);
11880 *align = ALIGNMENT (glong);
11882 case MONO_TYPE_GENERICINST:
11883 if (!mono_type_generic_inst_is_valuetype (t)) {
11884 *align = sizeof (gpointer);
11885 return sizeof (gpointer);
11888 case MONO_TYPE_TYPEDBYREF:
11889 case MONO_TYPE_VALUETYPE: {
11891 MonoClass *klass = mono_class_from_mono_type (t);
11893 if (klass->enumtype)
11894 return mono_type_native_stack_size (mono_class_enum_basetype (klass), align);
11896 size = mono_class_native_size (klass, align);
11897 *align = *align + 3;
11907 g_error ("type 0x%02x unknown", t->type);
11913 mono_marshal_type_size (MonoType *type, MonoMarshalSpec *mspec, guint32 *align,
11914 gboolean as_field, gboolean unicode)
11916 MonoMarshalNative native_type = mono_type_to_unmanaged (type, mspec, as_field, unicode, NULL);
11919 switch (native_type) {
11920 case MONO_NATIVE_BOOLEAN:
11923 case MONO_NATIVE_I1:
11924 case MONO_NATIVE_U1:
11927 case MONO_NATIVE_I2:
11928 case MONO_NATIVE_U2:
11929 case MONO_NATIVE_VARIANTBOOL:
11932 case MONO_NATIVE_I4:
11933 case MONO_NATIVE_U4:
11934 case MONO_NATIVE_ERROR:
11937 case MONO_NATIVE_I8:
11938 case MONO_NATIVE_U8:
11939 *align = ALIGNMENT(guint64);
11941 case MONO_NATIVE_R4:
11944 case MONO_NATIVE_R8:
11945 *align = ALIGNMENT(double);
11947 case MONO_NATIVE_INT:
11948 case MONO_NATIVE_UINT:
11949 case MONO_NATIVE_LPSTR:
11950 case MONO_NATIVE_LPWSTR:
11951 case MONO_NATIVE_LPTSTR:
11952 case MONO_NATIVE_BSTR:
11953 case MONO_NATIVE_ANSIBSTR:
11954 case MONO_NATIVE_TBSTR:
11955 case MONO_NATIVE_LPARRAY:
11956 case MONO_NATIVE_SAFEARRAY:
11957 case MONO_NATIVE_IUNKNOWN:
11958 case MONO_NATIVE_IDISPATCH:
11959 case MONO_NATIVE_INTERFACE:
11960 case MONO_NATIVE_ASANY:
11961 case MONO_NATIVE_FUNC:
11962 case MONO_NATIVE_LPSTRUCT:
11963 *align = ALIGNMENT(gpointer);
11964 return sizeof (gpointer);
11965 case MONO_NATIVE_STRUCT:
11966 klass = mono_class_from_mono_type (type);
11967 if (klass == mono_defaults.object_class &&
11968 (mspec && mspec->native == MONO_NATIVE_STRUCT)) {
11972 return mono_class_native_size (klass, align);
11973 case MONO_NATIVE_BYVALTSTR: {
11974 int esize = unicode ? 2: 1;
11977 return mspec->data.array_data.num_elem * esize;
11979 case MONO_NATIVE_BYVALARRAY: {
11980 // FIXME: Have to consider ArraySubType
11982 klass = mono_class_from_mono_type (type);
11983 if (klass->element_class == mono_defaults.char_class) {
11984 esize = unicode ? 2 : 1;
11987 esize = mono_class_native_size (klass->element_class, align);
11990 return mspec->data.array_data.num_elem * esize;
11992 case MONO_NATIVE_CUSTOM:
11993 *align = sizeof (gpointer);
11994 return sizeof (gpointer);
11996 case MONO_NATIVE_CURRENCY:
11997 case MONO_NATIVE_VBBYREFSTR:
11999 g_error ("native type %02x not implemented", native_type);
12002 g_assert_not_reached ();
12007 mono_marshal_asany (MonoObject *o, MonoMarshalNative string_encoding, int param_attrs)
12015 t = &o->vtable->klass->byval_arg;
12019 case MONO_TYPE_PTR:
12022 case MONO_TYPE_BOOLEAN:
12025 case MONO_TYPE_CHAR:
12030 return mono_object_unbox (o);
12032 case MONO_TYPE_STRING:
12033 switch (string_encoding) {
12034 case MONO_NATIVE_LPWSTR:
12035 return mono_marshal_string_to_utf16_copy ((MonoString*)o);
12037 case MONO_NATIVE_LPSTR:
12038 return mono_string_to_lpstr ((MonoString*)o);
12041 g_warning ("marshaling conversion %d not implemented", string_encoding);
12042 g_assert_not_reached ();
12045 case MONO_TYPE_CLASS:
12046 case MONO_TYPE_VALUETYPE: {
12047 MonoMethod *method;
12050 MonoBoolean delete_old = FALSE;
12052 klass = t->data.klass;
12054 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT)
12057 if (klass->valuetype && (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
12058 klass->blittable || klass->enumtype))
12059 return mono_object_unbox (o);
12061 res = mono_marshal_alloc (mono_class_native_size (klass, NULL));
12063 if (!((param_attrs & PARAM_ATTRIBUTE_OUT) && !(param_attrs & PARAM_ATTRIBUTE_IN))) {
12064 method = mono_marshal_get_struct_to_ptr (o->vtable->klass);
12068 pa [2] = &delete_old;
12070 mono_runtime_invoke (method, NULL, pa, NULL);
12077 mono_raise_exception (mono_get_exception_argument ("", "No PInvoke conversion exists for value passed to Object-typed parameter."));
12083 mono_marshal_free_asany (MonoObject *o, gpointer ptr, MonoMarshalNative string_encoding, int param_attrs)
12091 t = &o->vtable->klass->byval_arg;
12093 case MONO_TYPE_STRING:
12094 switch (string_encoding) {
12095 case MONO_NATIVE_LPWSTR:
12096 case MONO_NATIVE_LPSTR:
12097 mono_marshal_free (ptr);
12100 g_warning ("marshaling conversion %d not implemented", string_encoding);
12101 g_assert_not_reached ();
12104 case MONO_TYPE_CLASS:
12105 case MONO_TYPE_VALUETYPE: {
12106 klass = t->data.klass;
12108 if (klass->valuetype && (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
12109 klass->blittable || klass->enumtype))
12112 if (param_attrs & PARAM_ATTRIBUTE_OUT) {
12113 MonoMethod *method = mono_marshal_get_ptr_to_struct (o->vtable->klass);
12119 mono_runtime_invoke (method, NULL, pa, NULL);
12122 if (!((param_attrs & PARAM_ATTRIBUTE_OUT) && !(param_attrs & PARAM_ATTRIBUTE_IN))) {
12123 mono_struct_delete_old (klass, ptr);
12126 mono_marshal_free (ptr);
12135 mono_marshal_get_generic_array_helper (MonoClass *class, MonoClass *iface, gchar *name, MonoMethod *method)
12137 MonoMethodSignature *sig, *csig;
12138 MonoMethodBuilder *mb;
12143 mb = mono_mb_new_no_dup_name (class, name, MONO_WRAPPER_MANAGED_TO_MANAGED);
12144 mb->method->slot = -1;
12146 mb->method->flags = METHOD_ATTRIBUTE_PRIVATE | METHOD_ATTRIBUTE_VIRTUAL |
12147 METHOD_ATTRIBUTE_NEW_SLOT | METHOD_ATTRIBUTE_HIDE_BY_SIG | METHOD_ATTRIBUTE_FINAL;
12149 sig = mono_method_signature (method);
12150 csig = signature_dup (method->klass->image, sig);
12151 csig->generic_param_count = 0;
12153 mono_mb_emit_ldarg (mb, 0);
12154 for (i = 0; i < csig->param_count; i++)
12155 mono_mb_emit_ldarg (mb, i + 1);
12156 mono_mb_emit_managed_call (mb, method, NULL);
12157 mono_mb_emit_byte (mb, CEE_RET);
12159 /* We can corlib internal methods */
12160 mb->skip_visibility = TRUE;
12162 res = mono_mb_create_method (mb, csig, csig->param_count + 16);
12164 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_GENERIC_ARRAY_HELPER);
12165 info->d.generic_array_helper.method = method;
12166 mono_marshal_set_wrapper_info (res, info);
12174 * The mono_win32_compat_* functions are implementations of inline
12175 * Windows kernel32 APIs, which are DllImport-able under MS.NET,
12176 * although not exported by kernel32.
12178 * We map the appropiate kernel32 entries to these functions using
12179 * dllmaps declared in the global etc/mono/config.
12183 mono_win32_compat_CopyMemory (gpointer dest, gconstpointer source, gsize length)
12185 if (!dest || !source)
12188 memcpy (dest, source, length);
12192 mono_win32_compat_FillMemory (gpointer dest, gsize length, guchar fill)
12194 memset (dest, fill, length);
12198 mono_win32_compat_MoveMemory (gpointer dest, gconstpointer source, gsize length)
12200 if (!dest || !source)
12203 memmove (dest, source, length);
12207 mono_win32_compat_ZeroMemory (gpointer dest, gsize length)
12209 memset (dest, 0, length);
12213 mono_marshal_find_nonzero_bit_offset (guint8 *buf, int len, int *byte_offset, guint8 *bitmask)
12218 for (i = 0; i < len; ++i)
12222 g_assert (i < len);
12225 while (byte && !(byte & 1))
12227 g_assert (byte == 1);
12230 *bitmask = buf [i];
12234 mono_marshal_get_thunk_invoke_wrapper (MonoMethod *method)
12236 MonoMethodBuilder *mb;
12237 MonoMethodSignature *sig, *csig;
12238 MonoExceptionClause *clause;
12243 int i, param_count, sig_size, pos_leave;
12247 klass = method->klass;
12248 image = method->klass->image;
12249 cache = get_cache (&image->thunk_invoke_cache, mono_aligned_addr_hash, NULL);
12251 if ((res = mono_marshal_find_in_cache (cache, method)))
12254 sig = mono_method_signature (method);
12255 mb = mono_mb_new (klass, method->name, MONO_WRAPPER_NATIVE_TO_MANAGED);
12257 /* add "this" and exception param */
12258 param_count = sig->param_count + sig->hasthis + 1;
12260 /* dup & extend signature */
12261 csig = mono_metadata_signature_alloc (image, param_count);
12262 sig_size = MONO_SIZEOF_METHOD_SIGNATURE + sig->param_count * sizeof (MonoType *);
12263 memcpy (csig, sig, sig_size);
12264 csig->param_count = param_count;
12267 csig->call_convention = MONO_CALL_DEFAULT;
12269 if (sig->hasthis) {
12271 csig->params [0] = &klass->byval_arg;
12272 /* move params up by one */
12273 for (i = 0; i < sig->param_count; i++)
12274 csig->params [i + 1] = sig->params [i];
12277 /* setup exception param as byref+[out] */
12278 csig->params [param_count - 1] = mono_metadata_type_dup (image,
12279 &mono_defaults.exception_class->byval_arg);
12280 csig->params [param_count - 1]->byref = 1;
12281 csig->params [param_count - 1]->attrs = PARAM_ATTRIBUTE_OUT;
12283 /* convert struct return to object */
12284 if (MONO_TYPE_ISSTRUCT (sig->ret))
12285 csig->ret = &mono_defaults.object_class->byval_arg;
12287 /* local 0 (temp for exception object) */
12288 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
12290 /* local 1 (temp for result) */
12291 if (!MONO_TYPE_IS_VOID (sig->ret))
12292 mono_mb_add_local (mb, sig->ret);
12294 /* clear exception arg */
12295 mono_mb_emit_ldarg (mb, param_count - 1);
12296 mono_mb_emit_byte (mb, CEE_LDNULL);
12297 mono_mb_emit_byte (mb, CEE_STIND_REF);
12300 clause = mono_image_alloc0 (image, sizeof (MonoExceptionClause));
12301 clause->try_offset = mono_mb_get_label (mb);
12303 /* push method's args */
12304 for (i = 0; i < param_count - 1; i++) {
12308 mono_mb_emit_ldarg (mb, i);
12310 /* get the byval type of the param */
12311 klass = mono_class_from_mono_type (csig->params [i]);
12312 type = &klass->byval_arg;
12314 /* unbox struct args */
12315 if (MONO_TYPE_ISSTRUCT (type)) {
12316 mono_mb_emit_op (mb, CEE_UNBOX, klass);
12318 /* byref args & and the "this" arg must remain a ptr.
12319 Otherwise make a copy of the value type */
12320 if (!(csig->params [i]->byref || (i == 0 && sig->hasthis)))
12321 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
12323 csig->params [i] = &mono_defaults.object_class->byval_arg;
12328 if (method->flags & METHOD_ATTRIBUTE_VIRTUAL)
12329 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
12331 mono_mb_emit_op (mb, CEE_CALL, method);
12333 /* save result at local 1 */
12334 if (!MONO_TYPE_IS_VOID (sig->ret))
12335 mono_mb_emit_stloc (mb, 1);
12337 pos_leave = mono_mb_emit_branch (mb, CEE_LEAVE);
12340 clause->flags = MONO_EXCEPTION_CLAUSE_NONE;
12341 clause->try_len = mono_mb_get_pos (mb) - clause->try_offset;
12342 clause->data.catch_class = mono_defaults.object_class;
12344 clause->handler_offset = mono_mb_get_label (mb);
12346 /* store exception at local 0 */
12347 mono_mb_emit_stloc (mb, 0);
12348 mono_mb_emit_ldarg (mb, param_count - 1);
12349 mono_mb_emit_ldloc (mb, 0);
12350 mono_mb_emit_byte (mb, CEE_STIND_REF);
12351 mono_mb_emit_branch (mb, CEE_LEAVE);
12353 clause->handler_len = mono_mb_get_pos (mb) - clause->handler_offset;
12355 mono_mb_set_clauses (mb, 1, clause);
12357 mono_mb_patch_branch (mb, pos_leave);
12360 if (!MONO_TYPE_IS_VOID (sig->ret)) {
12361 mono_mb_emit_ldloc (mb, 1);
12363 /* box the return value */
12364 if (MONO_TYPE_ISSTRUCT (sig->ret))
12365 mono_mb_emit_op (mb, CEE_BOX, mono_class_from_mono_type (sig->ret));
12368 mono_mb_emit_byte (mb, CEE_RET);
12370 res = mono_mb_create_and_cache (cache, method, mb, csig, param_count + 16);
12377 * mono_marshal_free_dynamic_wrappers:
12379 * Free wrappers of the dynamic method METHOD.
12382 mono_marshal_free_dynamic_wrappers (MonoMethod *method)
12384 MonoImage *image = method->klass->image;
12386 g_assert (method->dynamic);
12388 /* This could be called during shutdown */
12389 if (marshal_mutex_initialized)
12390 mono_marshal_lock ();
12392 * FIXME: We currently leak the wrappers. Freeing them would be tricky as
12393 * they could be shared with other methods ?
12395 if (image->runtime_invoke_direct_cache)
12396 g_hash_table_remove (image->runtime_invoke_direct_cache, method);
12397 if (image->delegate_bound_static_invoke_cache)
12398 g_hash_table_foreach_remove (image->delegate_bound_static_invoke_cache, signature_method_pair_matches_method, method);
12399 if (image->delegate_abstract_invoke_cache)
12400 g_hash_table_foreach_remove (image->delegate_abstract_invoke_cache, signature_method_pair_matches_method, method);
12402 if (marshal_mutex_initialized)
12403 mono_marshal_unlock ();
12407 signature_method_pair_matches_signature (gpointer key, gpointer value, gpointer user_data)
12409 SignatureMethodPair *pair = (SignatureMethodPair*)key;
12410 MonoMethodSignature *sig = (MonoMethodSignature*)user_data;
12412 return mono_metadata_signature_equal (pair->sig, sig);
12416 * mono_marshal_free_inflated_wrappers:
12418 * Free wrappers of the inflated method METHOD.
12421 mono_marshal_free_inflated_wrappers (MonoMethod *method)
12423 MonoMethodSignature *sig = method->signature;
12425 g_assert (method->is_inflated);
12427 /* Ignore calls occuring late during cleanup. */
12428 if (!marshal_mutex_initialized)
12431 mono_marshal_lock ();
12433 * FIXME: We currently leak the wrappers. Freeing them would be tricky as
12434 * they could be shared with other methods ?
12438 * indexed by MonoMethodSignature
12440 /* FIXME: This could remove unrelated wrappers as well */
12441 if (sig && method->klass->image->delegate_begin_invoke_cache)
12442 g_hash_table_remove (method->klass->image->delegate_begin_invoke_cache, sig);
12443 if (sig && method->klass->image->delegate_end_invoke_cache)
12444 g_hash_table_remove (method->klass->image->delegate_end_invoke_cache, sig);
12445 if (sig && method->klass->image->delegate_invoke_cache)
12446 g_hash_table_remove (method->klass->image->delegate_invoke_cache, sig);
12447 if (sig && method->klass->image->runtime_invoke_cache)
12448 g_hash_table_remove (method->klass->image->runtime_invoke_cache, sig);
12451 * indexed by SignatureMethodPair
12453 if (sig && method->klass->image->delegate_abstract_invoke_cache)
12454 g_hash_table_foreach_remove (method->klass->image->delegate_abstract_invoke_cache,
12455 signature_method_pair_matches_signature, (gpointer)sig);
12457 if (sig && method->klass->image->delegate_bound_static_invoke_cache)
12458 g_hash_table_foreach_remove (method->klass->image->delegate_bound_static_invoke_cache,
12459 signature_method_pair_matches_signature, (gpointer)sig);
12462 * indexed by MonoMethod pointers
12464 if (method->klass->image->runtime_invoke_direct_cache)
12465 g_hash_table_remove (method->klass->image->runtime_invoke_direct_cache, method);
12466 if (method->klass->image->managed_wrapper_cache)
12467 g_hash_table_remove (method->klass->image->managed_wrapper_cache, method);
12468 if (method->klass->image->native_wrapper_cache)
12469 g_hash_table_remove (method->klass->image->native_wrapper_cache, method);
12470 if (method->klass->image->remoting_invoke_cache)
12471 g_hash_table_remove (method->klass->image->remoting_invoke_cache, method);
12472 if (method->klass->image->synchronized_cache)
12473 g_hash_table_remove (method->klass->image->synchronized_cache, method);
12474 if (method->klass->image->unbox_wrapper_cache)
12475 g_hash_table_remove (method->klass->image->unbox_wrapper_cache, method);
12476 if (method->klass->image->cominterop_invoke_cache)
12477 g_hash_table_remove (method->klass->image->cominterop_invoke_cache, method);
12478 if (method->klass->image->cominterop_wrapper_cache)
12479 g_hash_table_remove (method->klass->image->cominterop_wrapper_cache, method);
12480 if (method->klass->image->thunk_invoke_cache)
12481 g_hash_table_remove (method->klass->image->thunk_invoke_cache, method);
12482 if (method->klass->image->native_func_wrapper_aot_cache)
12483 g_hash_table_remove (method->klass->image->native_func_wrapper_aot_cache, method);
12485 mono_marshal_unlock ();