2 * marshal.c: Routines for marshaling complex types in P/Invoke methods.
5 * Paolo Molaro (lupus@ximian.com)
7 * Copyright 2002-2003 Ximian, Inc (http://www.ximian.com)
8 * Copyright 2004-2009 Novell, Inc (http://www.novell.com)
20 #include "metadata/marshal.h"
21 #include "metadata/method-builder.h"
22 #include "metadata/tabledefs.h"
23 #include "metadata/exception.h"
24 #include "metadata/appdomain.h"
25 #include "mono/metadata/debug-helpers.h"
26 #include "mono/metadata/threadpool.h"
27 #include "mono/metadata/threads.h"
28 #include "mono/metadata/monitor.h"
29 #include "mono/metadata/metadata-internals.h"
30 #include "mono/metadata/domain-internals.h"
31 #include "mono/metadata/gc-internal.h"
32 #include "mono/metadata/threads-types.h"
33 #include "mono/metadata/string-icalls.h"
34 #include "mono/metadata/attrdefs.h"
35 #include "mono/metadata/gc-internal.h"
36 #include "mono/metadata/cominterop.h"
37 #include "mono/utils/mono-counters.h"
41 /* #define DEBUG_RUNTIME_CODE */
43 #define OPDEF(a,b,c,d,e,f,g,h,i,j) \
47 MONO_MARSHAL_NONE, /* No marshalling needed */
48 MONO_MARSHAL_COPY, /* Can be copied by value to the new domain */
49 MONO_MARSHAL_COPY_OUT, /* out parameter that needs to be copied back to the original instance */
50 MONO_MARSHAL_SERIALIZE /* Value needs to be serialized into the new domain */
51 } MonoXDomainMarshalType;
54 #include "mono/cil/opcode.def"
59 struct _MonoRemotingMethods {
61 MonoMethod *invoke_with_check;
62 MonoMethod *xdomain_invoke;
63 MonoMethod *xdomain_dispatch;
66 typedef struct _MonoRemotingMethods MonoRemotingMethods;
69 * This mutex protects the various marshalling related caches in MonoImage
70 * and a few other data structures static to this file.
71 * Note that when this lock is held it is not possible to take other runtime
72 * locks like the loader lock.
74 #define mono_marshal_lock() EnterCriticalSection (&marshal_mutex)
75 #define mono_marshal_unlock() LeaveCriticalSection (&marshal_mutex)
76 static CRITICAL_SECTION marshal_mutex;
77 static gboolean marshal_mutex_initialized;
79 static guint32 last_error_tls_id;
81 static guint32 load_type_info_tls_id;
84 delegate_hash_table_add (MonoDelegate *d, MonoObject **target_loc);
87 emit_struct_conv (MonoMethodBuilder *mb, MonoClass *klass, gboolean to_object);
90 mono_struct_delete_old (MonoClass *klass, char *ptr);
93 mono_marshal_string_to_utf16 (MonoString *s);
96 mono_marshal_string_to_utf16_copy (MonoString *s);
99 mono_string_to_lpstr (MonoString *string_obj);
101 static MonoStringBuilder *
102 mono_string_utf8_to_builder2 (char *text);
104 static MonoStringBuilder *
105 mono_string_utf16_to_builder2 (gunichar2 *text);
108 mono_byvalarray_to_array (MonoArray *arr, gpointer native_arr, MonoClass *eltype, guint32 elnum);
111 mono_array_to_byvalarray (gpointer native_arr, MonoArray *arr, MonoClass *eltype, guint32 elnum);
114 mono_remoting_wrapper (MonoMethod *method, gpointer *params);
116 static MonoAsyncResult *
117 mono_delegate_begin_invoke (MonoDelegate *delegate, gpointer *params);
120 mono_delegate_end_invoke (MonoDelegate *delegate, gpointer *params);
123 mono_marshal_xdomain_copy_out_value (MonoObject *src, MonoObject *dst);
126 mono_marshal_set_domain_by_id (gint32 id, MonoBoolean push);
129 mono_marshal_check_domain_image (gint32 domain_id, MonoImage *image);
132 mono_upgrade_remote_class_wrapper (MonoReflectionType *rtype, MonoTransparentProxy *tproxy);
134 static MonoReflectionType *
135 type_from_handle (MonoType *handle);
138 mono_marshal_set_last_error_windows (int error);
140 static void init_safe_handle (void);
142 /* MonoMethod pointers to SafeHandle::DangerousAddRef and ::DangerousRelease */
143 static MonoMethod *sh_dangerous_add_ref;
144 static MonoMethod *sh_dangerous_release;
150 sh_dangerous_add_ref = mono_class_get_method_from_name (
151 mono_defaults.safehandle_class, "DangerousAddRef", 1);
152 sh_dangerous_release = mono_class_get_method_from_name (
153 mono_defaults.safehandle_class, "DangerousRelease", 0);
157 register_icall (gpointer func, const char *name, const char *sigstr, gboolean save)
159 MonoMethodSignature *sig = mono_create_icall_signature (sigstr);
161 mono_register_jit_icall (func, name, sig, save);
164 static MonoMethodSignature*
165 signature_dup (MonoImage *image, MonoMethodSignature *sig)
167 MonoMethodSignature *res;
170 res = mono_metadata_signature_alloc (image, sig->param_count);
171 sigsize = MONO_SIZEOF_METHOD_SIGNATURE + sig->param_count * sizeof (MonoType *);
172 memcpy (res, sig, sigsize);
178 mono_signature_no_pinvoke (MonoMethod *method)
180 MonoMethodSignature *sig = mono_method_signature (method);
182 sig = signature_dup (method->klass->image, sig);
183 sig->pinvoke = FALSE;
190 mono_marshal_init (void)
192 static gboolean module_initialized = FALSE;
194 if (!module_initialized) {
195 module_initialized = TRUE;
196 InitializeCriticalSection (&marshal_mutex);
197 marshal_mutex_initialized = TRUE;
198 last_error_tls_id = TlsAlloc ();
199 load_type_info_tls_id = TlsAlloc ();
201 register_icall (ves_icall_System_Threading_Thread_ResetAbort, "ves_icall_System_Threading_Thread_ResetAbort", "void", TRUE);
202 register_icall (mono_marshal_string_to_utf16, "mono_marshal_string_to_utf16", "ptr obj", FALSE);
203 register_icall (mono_marshal_string_to_utf16_copy, "mono_marshal_string_to_utf16_copy", "ptr obj", FALSE);
204 register_icall (mono_string_to_utf16, "mono_string_to_utf16", "ptr obj", FALSE);
205 register_icall (mono_string_from_utf16, "mono_string_from_utf16", "obj ptr", FALSE);
206 register_icall (mono_string_new_wrapper, "mono_string_new_wrapper", "obj ptr", FALSE);
207 register_icall (mono_string_to_utf8, "mono_string_to_utf8", "ptr obj", FALSE);
208 register_icall (mono_string_to_lpstr, "mono_string_to_lpstr", "ptr obj", FALSE);
209 register_icall (mono_string_to_ansibstr, "mono_string_to_ansibstr", "ptr object", FALSE);
210 register_icall (mono_string_builder_to_utf8, "mono_string_builder_to_utf8", "ptr object", FALSE);
211 register_icall (mono_string_builder_to_utf16, "mono_string_builder_to_utf16", "ptr object", FALSE);
212 register_icall (mono_array_to_savearray, "mono_array_to_savearray", "ptr object", FALSE);
213 register_icall (mono_array_to_lparray, "mono_array_to_lparray", "ptr object", FALSE);
214 register_icall (mono_free_lparray, "mono_free_lparray", "void object ptr", FALSE);
215 register_icall (mono_byvalarray_to_array, "mono_byvalarray_to_array", "void object ptr ptr int32", FALSE);
216 register_icall (mono_array_to_byvalarray, "mono_array_to_byvalarray", "void ptr object ptr int32", FALSE);
217 register_icall (mono_delegate_to_ftnptr, "mono_delegate_to_ftnptr", "ptr object", FALSE);
218 register_icall (mono_ftnptr_to_delegate, "mono_ftnptr_to_delegate", "object ptr ptr", FALSE);
219 register_icall (mono_marshal_asany, "mono_marshal_asany", "ptr object int32 int32", FALSE);
220 register_icall (mono_marshal_free_asany, "mono_marshal_free_asany", "void object ptr int32 int32", FALSE);
221 register_icall (mono_marshal_alloc, "mono_marshal_alloc", "ptr int32", FALSE);
222 register_icall (mono_marshal_free, "mono_marshal_free", "void ptr", FALSE);
223 register_icall (mono_marshal_set_last_error, "mono_marshal_set_last_error", "void", FALSE);
224 register_icall (mono_marshal_set_last_error_windows, "mono_marshal_set_last_error_windows", "void int32", FALSE);
225 register_icall (mono_string_utf8_to_builder, "mono_string_utf8_to_builder", "void ptr ptr", FALSE);
226 register_icall (mono_string_utf8_to_builder2, "mono_string_utf8_to_builder2", "object ptr", FALSE);
227 register_icall (mono_string_utf16_to_builder, "mono_string_utf16_to_builder", "void ptr ptr", FALSE);
228 register_icall (mono_string_utf16_to_builder2, "mono_string_utf16_to_builder2", "object ptr", FALSE);
229 register_icall (mono_marshal_free_array, "mono_marshal_free_array", "void ptr int32", FALSE);
230 register_icall (mono_string_to_byvalstr, "mono_string_to_byvalstr", "void ptr ptr int32", FALSE);
231 register_icall (mono_string_to_byvalwstr, "mono_string_to_byvalwstr", "void ptr ptr int32", FALSE);
232 register_icall (g_free, "g_free", "void ptr", FALSE);
233 register_icall (mono_object_isinst, "mono_object_isinst", "object object ptr", FALSE);
234 register_icall (mono_struct_delete_old, "mono_struct_delete_old", "void ptr ptr", FALSE);
235 register_icall (mono_remoting_wrapper, "mono_remoting_wrapper", "object ptr ptr", FALSE);
236 register_icall (mono_delegate_begin_invoke, "mono_delegate_begin_invoke", "object object ptr", FALSE);
237 register_icall (mono_delegate_end_invoke, "mono_delegate_end_invoke", "object object ptr", FALSE);
238 register_icall (mono_marshal_xdomain_copy_value, "mono_marshal_xdomain_copy_value", "object object", FALSE);
239 register_icall (mono_marshal_xdomain_copy_out_value, "mono_marshal_xdomain_copy_out_value", "void object object", FALSE);
240 register_icall (mono_marshal_set_domain_by_id, "mono_marshal_set_domain_by_id", "int32 int32 int32", FALSE);
241 register_icall (mono_marshal_check_domain_image, "mono_marshal_check_domain_image", "int32 int32 ptr", FALSE);
242 register_icall (mono_compile_method, "mono_compile_method", "ptr ptr", FALSE);
243 register_icall (mono_context_get, "mono_context_get", "object", FALSE);
244 register_icall (mono_context_set, "mono_context_set", "void object", FALSE);
245 register_icall (mono_upgrade_remote_class_wrapper, "mono_upgrade_remote_class_wrapper", "void object object", FALSE);
246 register_icall (type_from_handle, "type_from_handle", "object ptr", FALSE);
247 register_icall (mono_gc_wbarrier_generic_nostore, "wb_generic", "void ptr", FALSE);
249 mono_cominterop_init ();
254 mono_marshal_cleanup (void)
256 mono_cominterop_cleanup ();
258 TlsFree (load_type_info_tls_id);
259 TlsFree (last_error_tls_id);
260 DeleteCriticalSection (&marshal_mutex);
261 marshal_mutex_initialized = FALSE;
264 MonoClass *byte_array_class;
265 static MonoMethod *method_rs_serialize, *method_rs_deserialize, *method_exc_fixexc, *method_rs_appdomain_target;
266 static MonoMethod *method_set_context, *method_get_context;
267 static MonoMethod *method_set_call_context, *method_needs_context_sink, *method_rs_serialize_exc;
270 mono_remoting_marshal_init (void)
274 static gboolean module_initialized = FALSE;
276 if (!module_initialized) {
277 klass = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting", "RemotingServices");
278 method_rs_serialize = mono_class_get_method_from_name (klass, "SerializeCallData", -1);
279 method_rs_deserialize = mono_class_get_method_from_name (klass, "DeserializeCallData", -1);
280 method_rs_serialize_exc = mono_class_get_method_from_name (klass, "SerializeExceptionData", -1);
282 klass = mono_defaults.real_proxy_class;
283 method_rs_appdomain_target = mono_class_get_method_from_name (klass, "GetAppDomainTarget", -1);
285 klass = mono_defaults.exception_class;
286 method_exc_fixexc = mono_class_get_method_from_name (klass, "FixRemotingException", -1);
288 klass = mono_defaults.thread_class;
289 method_get_context = mono_class_get_method_from_name (klass, "get_CurrentContext", -1);
291 klass = mono_defaults.appdomain_class;
292 method_set_context = mono_class_get_method_from_name (klass, "InternalSetContext", -1);
293 byte_array_class = mono_array_class_get (mono_defaults.byte_class, 1);
295 klass = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting.Messaging", "CallContext");
296 method_set_call_context = mono_class_get_method_from_name (klass, "SetCurrentCallContext", -1);
298 klass = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting.Contexts", "Context");
299 method_needs_context_sink = mono_class_get_method_from_name (klass, "get_NeedsContextSink", -1);
301 module_initialized = TRUE;
306 mono_delegate_to_ftnptr (MonoDelegate *delegate)
308 MonoMethod *method, *wrapper;
310 MonoObject **target_loc;
315 if (delegate->delegate_trampoline)
316 return delegate->delegate_trampoline;
318 klass = ((MonoObject *)delegate)->vtable->klass;
319 g_assert (klass->delegate);
321 method = delegate->method;
323 if (mono_method_signature (method)->pinvoke) {
324 const char *exc_class, *exc_arg;
327 ftnptr = mono_lookup_pinvoke_call (method, &exc_class, &exc_arg);
329 g_assert (exc_class);
330 mono_raise_exception (mono_exception_from_name_msg (mono_defaults.corlib, "System", exc_class, exc_arg));
335 if (delegate->target) {
336 /* Produce a location which can be embedded in JITted code */
337 target_loc = mono_gc_alloc_fixed (sizeof (MonoObject*), NULL);
338 *target_loc = delegate->target;
343 wrapper = mono_marshal_get_managed_wrapper (method, klass, target_loc);
345 delegate->delegate_trampoline = mono_compile_method (wrapper);
347 // Add the delegate to the delegate hash table
348 delegate_hash_table_add (delegate, target_loc);
350 /* when the object is collected, collect the dynamic method, too */
351 mono_object_register_finalizer ((MonoObject*)delegate);
353 return delegate->delegate_trampoline;
357 * this hash table maps from a delegate trampoline object to a weak reference
358 * of the delegate. As an optimizations with a non-moving GC we store the
359 * object pointer itself, otherwise we use a GC handle.
361 static GHashTable *delegate_hash_table;
362 /* Contains root locations pointing to the this arguments of delegates */
363 static MonoGHashTable *delegate_target_locations;
366 delegate_hash_table_new (void) {
367 return g_hash_table_new (NULL, NULL);
371 delegate_hash_table_remove (MonoDelegate *d)
373 MonoObject **target_loc;
374 #ifdef HAVE_MOVING_COLLECTOR
377 mono_marshal_lock ();
378 if (delegate_hash_table == NULL)
379 delegate_hash_table = delegate_hash_table_new ();
380 #ifdef HAVE_MOVING_COLLECTOR
381 gchandle = GPOINTER_TO_UINT (g_hash_table_lookup (delegate_hash_table, d->delegate_trampoline));
383 g_hash_table_remove (delegate_hash_table, d->delegate_trampoline);
384 if (delegate_target_locations)
385 target_loc = mono_g_hash_table_lookup (delegate_target_locations, d->delegate_trampoline);
389 mono_g_hash_table_remove (delegate_target_locations, d->delegate_trampoline);
390 mono_marshal_unlock ();
392 mono_gc_free_fixed (target_loc);
394 #ifdef HAVE_MOVING_COLLECTOR
395 mono_gchandle_free (gchandle);
400 delegate_hash_table_add (MonoDelegate *d, MonoObject **target_loc)
402 #ifdef HAVE_MOVING_COLLECTOR
403 guint32 gchandle = mono_gchandle_new_weakref ((MonoObject*)d, FALSE);
404 guint32 old_gchandle;
406 mono_marshal_lock ();
407 if (delegate_hash_table == NULL)
408 delegate_hash_table = delegate_hash_table_new ();
409 if (delegate_target_locations == NULL) {
410 /* Has to be conservative as the values are not object references */
411 delegate_target_locations = mono_g_hash_table_new_type (NULL, NULL, MONO_HASH_CONSERVATIVE_GC);
412 MONO_GC_REGISTER_ROOT (delegate_target_locations);
414 #ifdef HAVE_MOVING_COLLECTOR
415 old_gchandle = GPOINTER_TO_UINT (g_hash_table_lookup (delegate_hash_table, d->delegate_trampoline));
416 g_hash_table_insert (delegate_hash_table, d->delegate_trampoline, GUINT_TO_POINTER (gchandle));
418 mono_gchandle_free (old_gchandle);
420 g_hash_table_insert (delegate_hash_table, d->delegate_trampoline, d);
423 /* This keeps target_loc alive for Boehm */
424 mono_g_hash_table_insert (delegate_target_locations, d->delegate_trampoline, target_loc);
425 mono_marshal_unlock ();
429 mono_ftnptr_to_delegate (MonoClass *klass, gpointer ftn)
431 #ifdef HAVE_MOVING_COLLECTOR
439 mono_marshal_lock ();
440 if (delegate_hash_table == NULL)
441 delegate_hash_table = delegate_hash_table_new ();
443 #ifdef HAVE_MOVING_COLLECTOR
444 gchandle = GPOINTER_TO_UINT (g_hash_table_lookup (delegate_hash_table, ftn));
445 mono_marshal_unlock ();
447 d = (MonoDelegate*)mono_gchandle_get_target (gchandle);
451 d = g_hash_table_lookup (delegate_hash_table, ftn);
452 mono_marshal_unlock ();
455 /* This is a native function, so construct a delegate for it */
456 static MonoClass *UnmanagedFunctionPointerAttribute;
457 MonoMethodSignature *sig;
459 MonoMarshalSpec **mspecs;
460 MonoCustomAttrInfo *cinfo;
461 MonoReflectionUnmanagedFunctionPointerAttribute *attr;
462 MonoMethod *invoke = mono_get_delegate_invoke (klass);
463 MonoMethodPInvoke piinfo;
466 memset (&piinfo, 0, sizeof (piinfo));
467 if (!UnmanagedFunctionPointerAttribute)
468 UnmanagedFunctionPointerAttribute = mono_class_from_name (mono_defaults.corlib, "System.Runtime.InteropServices", "UnmanagedFunctionPointerAttribute");
470 /* The attribute is only available in Net 2.0 */
471 if (UnmanagedFunctionPointerAttribute) {
473 * The pinvoke attributes are stored in a real custom attribute so we have to
476 cinfo = mono_custom_attrs_from_class (klass);
478 attr = (MonoReflectionUnmanagedFunctionPointerAttribute*)mono_custom_attrs_get_attr (cinfo, UnmanagedFunctionPointerAttribute);
480 piinfo.piflags = (attr->call_conv << 8) | (attr->charset ? (attr->charset - 1) * 2 : 1) | attr->set_last_error;
483 mono_custom_attrs_free (cinfo);
487 mspecs = g_new0 (MonoMarshalSpec*, mono_method_signature (invoke)->param_count + 1);
488 mono_method_get_marshal_info (invoke, mspecs);
489 /* Freed below so don't alloc from mempool */
490 sig = mono_metadata_signature_dup (mono_method_signature (invoke));
493 wrapper = mono_marshal_get_native_func_wrapper (klass->image, sig, &piinfo, mspecs, ftn);
495 for (i = mono_method_signature (invoke)->param_count; i >= 0; i--)
497 mono_metadata_free_marshal_spec (mspecs [i]);
501 d = (MonoDelegate*)mono_object_new (mono_domain_get (), klass);
502 mono_delegate_ctor_with_method ((MonoObject*)d, NULL, mono_compile_method (wrapper), wrapper);
505 if (d->object.vtable->domain != mono_domain_get ())
506 mono_raise_exception (mono_get_exception_not_supported ("Delegates cannot be marshalled from native code into a domain other than their home domain"));
512 mono_delegate_free_ftnptr (MonoDelegate *delegate)
517 delegate_hash_table_remove (delegate);
519 ptr = (gpointer)InterlockedExchangePointer (&delegate->delegate_trampoline, NULL);
521 if (!delegate->target) {
522 /* The wrapper method is shared between delegates -> no need to free it */
527 ji = mono_jit_info_table_find (mono_domain_get (), mono_get_addr_from_ftnptr (ptr));
530 mono_runtime_free_method (mono_object_domain (delegate), ji->method);
535 mono_array_to_savearray (MonoArray *array)
540 g_assert_not_reached ();
545 mono_array_to_lparray (MonoArray *array)
547 gpointer *nativeArray = NULL;
548 int nativeArraySize = 0;
557 klass = array->obj.vtable->klass;
559 switch (klass->element_class->byval_arg.type) {
561 g_assert_not_reached ();
564 case MONO_TYPE_CLASS:
565 nativeArraySize = array->max_length;
566 nativeArray = malloc(sizeof(gpointer) * nativeArraySize);
567 for(i = 0; i < nativeArraySize; ++i)
568 nativeArray[i] = ves_icall_System_Runtime_InteropServices_Marshal_GetIUnknownForObjectInternal(((gpointer*)array->vector)[i]);
572 case MONO_TYPE_BOOLEAN:
585 case MONO_TYPE_VALUETYPE:
588 case MONO_TYPE_GENERICINST:
590 case MONO_TYPE_OBJECT:
591 case MONO_TYPE_ARRAY:
592 case MONO_TYPE_SZARRAY:
593 case MONO_TYPE_STRING:
595 g_warning ("type 0x%x not handled", klass->element_class->byval_arg.type);
596 g_assert_not_reached ();
599 return array->vector;
603 mono_free_lparray (MonoArray *array, gpointer* nativeArray)
614 klass = array->obj.vtable->klass;
616 switch (klass->element_class->byval_arg.type) {
617 case MONO_TYPE_CLASS:
618 for(i = 0; i < array->max_length; ++i)
619 mono_marshal_free_ccw(nativeArray[i]);
627 mono_byvalarray_to_array (MonoArray *arr, gpointer native_arr, MonoClass *elclass, guint32 elnum)
629 g_assert (arr->obj.vtable->klass->element_class == mono_defaults.char_class);
631 if (elclass == mono_defaults.byte_class) {
632 GError *error = NULL;
636 ut = g_utf8_to_utf16 (native_arr, elnum, NULL, &items_written, &error);
639 memcpy (mono_array_addr (arr, guint16, 0), ut, items_written * sizeof (guint16));
643 g_error_free (error);
646 g_assert_not_reached ();
650 mono_array_to_byvalarray (gpointer native_arr, MonoArray *arr, MonoClass *elclass, guint32 elnum)
652 g_assert (arr->obj.vtable->klass->element_class == mono_defaults.char_class);
654 if (elclass == mono_defaults.byte_class) {
656 GError *error = NULL;
658 as = g_utf16_to_utf8 (mono_array_addr (arr, gunichar2, 0), mono_array_length (arr), NULL, NULL, &error);
660 MonoException *exc = mono_get_exception_argument ("string", error->message);
661 g_error_free (error);
662 mono_raise_exception (exc);
665 memcpy (native_arr, as, MIN (strlen (as), elnum));
668 g_assert_not_reached ();
673 mono_string_utf8_to_builder (MonoStringBuilder *sb, char *text)
675 GError *error = NULL;
685 ut = g_utf8_to_utf16 (text, l, NULL, &items_written, &error);
687 if (items_written > mono_stringbuilder_capacity (sb))
688 items_written = mono_stringbuilder_capacity (sb);
691 if (! sb->str || sb->str == sb->cached_str) {
692 MONO_OBJECT_SETREF (sb, str, mono_string_new_size (mono_domain_get (), items_written));
693 sb->cached_str = NULL;
696 memcpy (mono_string_chars (sb->str), ut, items_written * 2);
697 sb->length = items_written;
699 g_error_free (error);
705 mono_string_utf8_to_builder2 (char *text)
708 MonoStringBuilder *sb;
709 static MonoClass *string_builder_class;
710 static MonoMethod *sb_ctor;
717 if (!string_builder_class) {
718 MonoMethodDesc *desc;
720 string_builder_class = mono_class_from_name (mono_defaults.corlib, "System.Text", "StringBuilder");
721 g_assert (string_builder_class);
722 desc = mono_method_desc_new (":.ctor(int)", FALSE);
723 sb_ctor = mono_method_desc_search_in_class (desc, string_builder_class);
725 mono_method_desc_free (desc);
730 sb = (MonoStringBuilder*)mono_object_new (mono_domain_get (), string_builder_class);
733 mono_runtime_invoke (sb_ctor, sb, args, &exc);
736 mono_string_utf8_to_builder (sb, text);
742 * FIXME: This routine does not seem to do what it seems to do
743 * the @text is never copied into the string builder
746 mono_string_utf16_to_builder (MonoStringBuilder *sb, gunichar2 *text)
753 g_assert (mono_string_chars (sb->str) == text);
755 for (len = 0; text [len] != 0; ++len)
762 mono_string_utf16_to_builder2 (gunichar2 *text)
765 MonoStringBuilder *sb;
766 static MonoClass *string_builder_class;
767 static MonoMethod *sb_ctor;
774 if (!string_builder_class) {
775 MonoMethodDesc *desc;
777 string_builder_class = mono_class_from_name (mono_defaults.corlib, "System.Text", "StringBuilder");
778 g_assert (string_builder_class);
779 desc = mono_method_desc_new (":.ctor(int)", FALSE);
780 sb_ctor = mono_method_desc_search_in_class (desc, string_builder_class);
782 mono_method_desc_free (desc);
785 for (len = 0; text [len] != 0; ++len)
788 sb = (MonoStringBuilder*)mono_object_new (mono_domain_get (), string_builder_class);
791 mono_runtime_invoke (sb_ctor, sb, args, &exc);
795 memcpy (mono_string_chars (sb->str), text, len * 2);
801 * mono_string_builder_to_utf8:
802 * @sb: the string builder
804 * Converts to utf8 the contents of the MonoStringBuilder.
806 * Returns: a utf8 string with the contents of the StringBuilder.
808 * The return value must be released with g_free.
811 mono_string_builder_to_utf8 (MonoStringBuilder *sb)
813 GError *error = NULL;
814 gchar *tmp, *res = NULL;
819 if ((sb->str == sb->cached_str) && (sb->str->length == 0)) {
821 * The sb could have been allocated with the default capacity and be empty.
822 * we need to alloc a buffer of the default capacity in this case.
824 MONO_OBJECT_SETREF (sb, str, mono_string_new_size (mono_domain_get (), 16));
825 sb->cached_str = NULL;
828 tmp = g_utf16_to_utf8 (mono_string_chars (sb->str), sb->length, NULL, NULL, &error);
830 g_error_free (error);
831 mono_raise_exception (mono_get_exception_execution_engine ("Failed to convert StringBuilder from utf16 to utf8"));
833 res = mono_marshal_alloc (mono_stringbuilder_capacity (sb) + 1);
834 memcpy (res, tmp, sb->length + 1);
842 * mono_string_builder_to_utf16:
843 * @sb: the string builder
845 * Converts to utf16 the contents of the MonoStringBuilder.
847 * Returns: a utf16 string with the contents of the StringBuilder.
849 * The return value must not be freed.
852 mono_string_builder_to_utf16 (MonoStringBuilder *sb)
860 * The stringbuilder might not have ownership of this string. If this is
861 * the case, we must duplicate the string, so that we don't munge immutable
864 if (sb->str == sb->cached_str) {
866 * The sb could have been allocated with the default capacity and be empty.
867 * we need to alloc a buffer of the default capacity in this case.
869 if (sb->str->length == 0)
870 MONO_OBJECT_SETREF (sb, str, mono_string_new_size (mono_domain_get (), 16));
872 MONO_OBJECT_SETREF (sb, str, mono_string_new_utf16 (mono_domain_get (), mono_string_chars (sb->str), mono_stringbuilder_capacity (sb)));
873 sb->cached_str = NULL;
877 *(mono_string_chars (sb->str)) = '\0';
879 return mono_string_chars (sb->str);
883 mono_string_to_lpstr (MonoString *s)
888 GError *error = NULL;
894 as = CoTaskMemAlloc (1);
899 tmp = g_utf16_to_utf8 (mono_string_chars (s), s->length, NULL, &len, &error);
901 MonoException *exc = mono_get_exception_argument ("string", error->message);
902 g_error_free (error);
903 mono_raise_exception(exc);
906 as = CoTaskMemAlloc (len + 1);
907 memcpy (as, tmp, len + 1);
912 return mono_string_to_utf8 (s);
917 mono_string_to_ansibstr (MonoString *string_obj)
919 g_error ("UnmanagedMarshal.BStr is not implemented.");
924 * mono_string_to_byvalstr:
925 * @dst: Where to store the null-terminated utf8 decoded string.
926 * @src: the MonoString to copy.
927 * @size: the maximum number of bytes to copy.
929 * Copies the MonoString pointed to by @src as a utf8 string
930 * into @dst, it copies at most @size bytes into the destination.
933 mono_string_to_byvalstr (gpointer dst, MonoString *src, int size)
938 g_assert (dst != NULL);
941 memset (dst, 0, size);
945 s = mono_string_to_utf8 (src);
946 len = MIN (size, strlen (s));
949 memcpy (dst, s, len);
954 * mono_string_to_byvalwstr:
955 * @dst: Where to store the null-terminated utf16 decoded string.
956 * @src: the MonoString to copy.
957 * @size: the maximum number of bytes to copy.
959 * Copies the MonoString pointed to by @src as a utf16 string into
960 * @dst, it copies at most @size bytes into the destination (including
961 * a terminating 16-bit zero terminator).
964 mono_string_to_byvalwstr (gpointer dst, MonoString *src, int size)
968 g_assert (dst != NULL);
972 memset (dst, 0, size * 2);
976 len = MIN (size, (mono_string_length (src)));
977 memcpy (dst, mono_string_chars (src), size * 2);
978 if (size <= mono_string_length (src))
980 *((gunichar2 *) dst + len) = 0;
984 mono_mb_emit_proxy_check (MonoMethodBuilder *mb, int branch_code)
987 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
988 mono_mb_emit_byte (mb, CEE_LDIND_I);
989 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoVTable, klass));
990 mono_mb_emit_byte (mb, CEE_ADD);
991 mono_mb_emit_byte (mb, CEE_LDIND_I);
992 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
993 mono_mb_emit_byte (mb, CEE_MONO_CLASSCONST);
994 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_defaults.transparent_proxy_class));
995 pos = mono_mb_emit_branch (mb, branch_code);
1000 mono_mb_emit_xdomain_check (MonoMethodBuilder *mb, int branch_code)
1003 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
1004 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1005 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoRealProxy, target_domain_id));
1006 mono_mb_emit_byte (mb, CEE_LDIND_I4);
1007 mono_mb_emit_icon (mb, -1);
1008 pos = mono_mb_emit_branch (mb, branch_code);
1013 mono_mb_emit_contextbound_check (MonoMethodBuilder *mb, int branch_code)
1015 static int offset = -1;
1019 mono_marshal_find_bitfield_offset (MonoClass, contextbound, &offset, &mask);
1021 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, remote_class));
1022 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1023 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoRemoteClass, proxy_class));
1024 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1025 mono_mb_emit_ldflda (mb, offset);
1026 mono_mb_emit_byte (mb, CEE_LDIND_U1);
1027 mono_mb_emit_icon (mb, mask);
1028 mono_mb_emit_byte (mb, CEE_AND);
1029 mono_mb_emit_icon (mb, 0);
1030 return mono_mb_emit_branch (mb, branch_code);
1034 mono_mb_emit_exception_marshal_directive (MonoMethodBuilder *mb, const char *msg)
1036 mono_mb_emit_exception_full (mb, "System.Runtime.InteropServices", "MarshalDirectiveException", msg);
1040 mono_type_to_ldind (MonoType *type)
1046 switch (type->type) {
1048 return CEE_LDIND_I1;
1050 case MONO_TYPE_BOOLEAN:
1051 return CEE_LDIND_U1;
1053 return CEE_LDIND_I2;
1055 case MONO_TYPE_CHAR:
1056 return CEE_LDIND_U2;
1058 return CEE_LDIND_I4;
1060 return CEE_LDIND_U4;
1064 case MONO_TYPE_FNPTR:
1066 case MONO_TYPE_CLASS:
1067 case MONO_TYPE_STRING:
1068 case MONO_TYPE_OBJECT:
1069 case MONO_TYPE_SZARRAY:
1070 case MONO_TYPE_ARRAY:
1071 return CEE_LDIND_REF;
1074 return CEE_LDIND_I8;
1076 return CEE_LDIND_R4;
1078 return CEE_LDIND_R8;
1079 case MONO_TYPE_VALUETYPE:
1080 if (type->data.klass->enumtype) {
1081 type = mono_class_enum_basetype (type->data.klass);
1085 case MONO_TYPE_TYPEDBYREF:
1087 case MONO_TYPE_GENERICINST:
1088 type = &type->data.generic_class->container_class->byval_arg;
1091 g_error ("unknown type 0x%02x in type_to_ldind", type->type);
1097 mono_type_to_stind (MonoType *type)
1103 switch (type->type) {
1106 case MONO_TYPE_BOOLEAN:
1107 return CEE_STIND_I1;
1110 case MONO_TYPE_CHAR:
1111 return CEE_STIND_I2;
1114 return CEE_STIND_I4;
1118 case MONO_TYPE_FNPTR:
1120 case MONO_TYPE_CLASS:
1121 case MONO_TYPE_STRING:
1122 case MONO_TYPE_OBJECT:
1123 case MONO_TYPE_SZARRAY:
1124 case MONO_TYPE_ARRAY:
1125 return CEE_STIND_REF;
1128 return CEE_STIND_I8;
1130 return CEE_STIND_R4;
1132 return CEE_STIND_R8;
1133 case MONO_TYPE_VALUETYPE:
1134 if (type->data.klass->enumtype) {
1135 type = mono_class_enum_basetype (type->data.klass);
1139 case MONO_TYPE_TYPEDBYREF:
1141 case MONO_TYPE_GENERICINST:
1142 type = &type->data.generic_class->container_class->byval_arg;
1145 g_error ("unknown type 0x%02x in type_to_stind", type->type);
1151 emit_ptr_to_object_conv (MonoMethodBuilder *mb, MonoType *type, MonoMarshalConv conv, MonoMarshalSpec *mspec)
1154 case MONO_MARSHAL_CONV_BOOL_I4:
1155 mono_mb_emit_ldloc (mb, 1);
1156 mono_mb_emit_ldloc (mb, 0);
1157 mono_mb_emit_byte (mb, CEE_LDIND_I4);
1158 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
1159 mono_mb_emit_byte (mb, 3);
1160 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
1161 mono_mb_emit_byte (mb, CEE_BR_S);
1162 mono_mb_emit_byte (mb, 1);
1163 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
1164 mono_mb_emit_byte (mb, CEE_STIND_I1);
1166 case MONO_MARSHAL_CONV_BOOL_VARIANTBOOL:
1167 mono_mb_emit_ldloc (mb, 1);
1168 mono_mb_emit_ldloc (mb, 0);
1169 mono_mb_emit_byte (mb, CEE_LDIND_I2);
1170 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
1171 mono_mb_emit_byte (mb, 3);
1172 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
1173 mono_mb_emit_byte (mb, CEE_BR_S);
1174 mono_mb_emit_byte (mb, 1);
1175 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
1176 mono_mb_emit_byte (mb, CEE_STIND_I1);
1178 case MONO_MARSHAL_CONV_ARRAY_BYVALARRAY: {
1179 MonoClass *eklass = NULL;
1182 if (type->type == MONO_TYPE_SZARRAY) {
1183 eklass = type->data.klass;
1185 g_assert_not_reached ();
1188 esize = mono_class_native_size (eklass, NULL);
1190 /* create a new array */
1191 mono_mb_emit_ldloc (mb, 1);
1192 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1193 mono_mb_emit_op (mb, CEE_NEWARR, eklass);
1194 mono_mb_emit_byte (mb, CEE_STIND_I);
1196 if (eklass->blittable) {
1197 /* copy the elements */
1198 mono_mb_emit_ldloc (mb, 1);
1199 mono_mb_emit_byte (mb, CEE_LDIND_I);
1200 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArray, vector));
1201 mono_mb_emit_byte (mb, CEE_ADD);
1202 mono_mb_emit_ldloc (mb, 0);
1203 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem * esize);
1204 mono_mb_emit_byte (mb, CEE_PREFIX1);
1205 mono_mb_emit_byte (mb, CEE_CPBLK);
1208 int array_var, src_var, dst_var, index_var;
1209 guint32 label2, label3;
1211 array_var = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
1212 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1213 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1216 mono_mb_emit_ldloc (mb, 1);
1217 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1218 mono_mb_emit_stloc (mb, array_var);
1220 /* save the old src pointer */
1221 mono_mb_emit_ldloc (mb, 0);
1222 mono_mb_emit_stloc (mb, src_var);
1223 /* save the old dst pointer */
1224 mono_mb_emit_ldloc (mb, 1);
1225 mono_mb_emit_stloc (mb, dst_var);
1227 /* Emit marshalling loop */
1228 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1229 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
1230 mono_mb_emit_stloc (mb, index_var);
1233 label2 = mono_mb_get_label (mb);
1234 mono_mb_emit_ldloc (mb, index_var);
1235 mono_mb_emit_ldloc (mb, array_var);
1236 mono_mb_emit_byte (mb, CEE_LDLEN);
1237 label3 = mono_mb_emit_branch (mb, CEE_BGE);
1239 /* src is already set */
1242 mono_mb_emit_ldloc (mb, array_var);
1243 mono_mb_emit_ldloc (mb, index_var);
1244 mono_mb_emit_op (mb, CEE_LDELEMA, eklass);
1245 mono_mb_emit_stloc (mb, 1);
1247 /* Do the conversion */
1248 emit_struct_conv (mb, eklass, TRUE);
1251 mono_mb_emit_add_to_local (mb, index_var, 1);
1253 mono_mb_emit_branch_label (mb, CEE_BR, label2);
1255 mono_mb_patch_branch (mb, label3);
1257 /* restore the old src pointer */
1258 mono_mb_emit_ldloc (mb, src_var);
1259 mono_mb_emit_stloc (mb, 0);
1260 /* restore the old dst pointer */
1261 mono_mb_emit_ldloc (mb, dst_var);
1262 mono_mb_emit_stloc (mb, 1);
1266 case MONO_MARSHAL_CONV_ARRAY_BYVALCHARARRAY: {
1267 MonoClass *eclass = mono_defaults.char_class;
1269 /* create a new array */
1270 mono_mb_emit_ldloc (mb, 1);
1271 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1272 mono_mb_emit_op (mb, CEE_NEWARR, eclass);
1273 mono_mb_emit_byte (mb, CEE_STIND_REF);
1275 mono_mb_emit_ldloc (mb, 1);
1276 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1277 mono_mb_emit_ldloc (mb, 0);
1278 mono_mb_emit_ptr (mb, mono_defaults.byte_class);
1279 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1280 mono_mb_emit_icall (mb, mono_byvalarray_to_array);
1283 case MONO_MARSHAL_CONV_STR_BYVALSTR:
1284 mono_mb_emit_ldloc (mb, 1);
1285 mono_mb_emit_ldloc (mb, 0);
1286 mono_mb_emit_icall (mb, mono_string_new_wrapper);
1287 mono_mb_emit_byte (mb, CEE_STIND_REF);
1289 case MONO_MARSHAL_CONV_STR_BYVALWSTR:
1290 mono_mb_emit_ldloc (mb, 1);
1291 mono_mb_emit_ldloc (mb, 0);
1292 mono_mb_emit_icall (mb, mono_string_from_utf16);
1293 mono_mb_emit_byte (mb, CEE_STIND_REF);
1295 case MONO_MARSHAL_CONV_STR_LPTSTR:
1296 mono_mb_emit_ldloc (mb, 1);
1297 mono_mb_emit_ldloc (mb, 0);
1298 mono_mb_emit_byte (mb, CEE_LDIND_I);
1300 mono_mb_emit_icall (mb, mono_string_from_utf16);
1302 mono_mb_emit_icall (mb, mono_string_new_wrapper);
1304 mono_mb_emit_byte (mb, CEE_STIND_REF);
1306 case MONO_MARSHAL_CONV_STR_LPSTR:
1307 mono_mb_emit_ldloc (mb, 1);
1308 mono_mb_emit_ldloc (mb, 0);
1309 mono_mb_emit_byte (mb, CEE_LDIND_I);
1310 mono_mb_emit_icall (mb, mono_string_new_wrapper);
1311 mono_mb_emit_byte (mb, CEE_STIND_REF);
1313 case MONO_MARSHAL_CONV_STR_LPWSTR:
1314 mono_mb_emit_ldloc (mb, 1);
1315 mono_mb_emit_ldloc (mb, 0);
1316 mono_mb_emit_byte (mb, CEE_LDIND_I);
1317 mono_mb_emit_icall (mb, mono_string_from_utf16);
1318 mono_mb_emit_byte (mb, CEE_STIND_REF);
1320 case MONO_MARSHAL_CONV_OBJECT_STRUCT: {
1321 MonoClass *klass = mono_class_from_mono_type (type);
1322 int src_var, dst_var;
1324 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1325 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1327 /* *dst = new object */
1328 mono_mb_emit_ldloc (mb, 1);
1329 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1330 mono_mb_emit_op (mb, CEE_MONO_NEWOBJ, klass);
1331 mono_mb_emit_byte (mb, CEE_STIND_REF);
1333 /* save the old src pointer */
1334 mono_mb_emit_ldloc (mb, 0);
1335 mono_mb_emit_stloc (mb, src_var);
1336 /* save the old dst pointer */
1337 mono_mb_emit_ldloc (mb, 1);
1338 mono_mb_emit_stloc (mb, dst_var);
1340 /* dst = pointer to newly created object data */
1341 mono_mb_emit_ldloc (mb, 1);
1342 mono_mb_emit_byte (mb, CEE_LDIND_I);
1343 mono_mb_emit_icon (mb, sizeof (MonoObject));
1344 mono_mb_emit_byte (mb, CEE_ADD);
1345 mono_mb_emit_stloc (mb, 1);
1347 emit_struct_conv (mb, klass, TRUE);
1349 /* restore the old src pointer */
1350 mono_mb_emit_ldloc (mb, src_var);
1351 mono_mb_emit_stloc (mb, 0);
1352 /* restore the old dst pointer */
1353 mono_mb_emit_ldloc (mb, dst_var);
1354 mono_mb_emit_stloc (mb, 1);
1357 case MONO_MARSHAL_CONV_DEL_FTN: {
1358 MonoClass *klass = mono_class_from_mono_type (type);
1360 mono_mb_emit_ldloc (mb, 1);
1361 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1362 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
1363 mono_mb_emit_ldloc (mb, 0);
1364 mono_mb_emit_byte (mb, CEE_LDIND_I);
1365 mono_mb_emit_icall (mb, mono_ftnptr_to_delegate);
1366 mono_mb_emit_byte (mb, CEE_STIND_REF);
1369 case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
1370 g_error ("Structure field of type %s can't be marshalled as LPArray", mono_class_from_mono_type (type)->name);
1374 case MONO_MARSHAL_CONV_OBJECT_INTERFACE:
1375 case MONO_MARSHAL_CONV_OBJECT_IUNKNOWN:
1376 case MONO_MARSHAL_CONV_OBJECT_IDISPATCH:
1377 mono_cominterop_emit_ptr_to_object_conv (mb, type, conv, mspec);
1379 #endif /* DISABLE_COM */
1381 case MONO_MARSHAL_CONV_SAFEHANDLE: {
1383 * Passing SafeHandles as ref does not allow the unmanaged code
1384 * to change the SafeHandle value. If the value is changed,
1385 * we should issue a diagnostic exception (NotSupportedException)
1386 * that informs the user that changes to handles in unmanaged code
1389 * Since we currently have no access to the original
1390 * SafeHandle that was used during the marshalling,
1391 * for now we just ignore this, and ignore/discard any
1392 * changes that might have happened to the handle.
1397 case MONO_MARSHAL_CONV_HANDLEREF: {
1399 * Passing HandleRefs in a struct that is ref()ed does not
1400 * copy the values back to the HandleRef
1405 case MONO_MARSHAL_CONV_STR_BSTR:
1406 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
1407 case MONO_MARSHAL_CONV_STR_TBSTR:
1408 case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
1410 char *msg = g_strdup_printf ("marshaling conversion %d not implemented", conv);
1412 mono_mb_emit_exception_marshal_directive (mb, msg);
1420 conv_to_icall (MonoMarshalConv conv)
1423 case MONO_MARSHAL_CONV_STR_LPWSTR:
1424 return mono_marshal_string_to_utf16;
1425 case MONO_MARSHAL_CONV_LPWSTR_STR:
1426 return mono_string_from_utf16;
1427 case MONO_MARSHAL_CONV_LPSTR_STR:
1428 return mono_string_new_wrapper;
1429 case MONO_MARSHAL_CONV_STR_LPTSTR:
1431 return mono_marshal_string_to_utf16;
1433 return mono_string_to_lpstr;
1435 case MONO_MARSHAL_CONV_STR_LPSTR:
1436 return mono_string_to_lpstr;
1437 case MONO_MARSHAL_CONV_STR_BSTR:
1438 return mono_string_to_bstr;
1439 case MONO_MARSHAL_CONV_BSTR_STR:
1440 return mono_string_from_bstr;
1441 case MONO_MARSHAL_CONV_STR_TBSTR:
1442 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
1443 return mono_string_to_ansibstr;
1444 case MONO_MARSHAL_CONV_SB_LPSTR:
1445 return mono_string_builder_to_utf8;
1446 case MONO_MARSHAL_CONV_SB_LPTSTR:
1448 return mono_string_builder_to_utf16;
1450 return mono_string_builder_to_utf8;
1452 case MONO_MARSHAL_CONV_SB_LPWSTR:
1453 return mono_string_builder_to_utf16;
1454 case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
1455 return mono_array_to_savearray;
1456 case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
1457 return mono_array_to_lparray;
1458 case MONO_MARSHAL_FREE_LPARRAY:
1459 return mono_free_lparray;
1460 case MONO_MARSHAL_CONV_DEL_FTN:
1461 return mono_delegate_to_ftnptr;
1462 case MONO_MARSHAL_CONV_FTN_DEL:
1463 return mono_ftnptr_to_delegate;
1464 case MONO_MARSHAL_CONV_LPSTR_SB:
1465 return mono_string_utf8_to_builder;
1466 case MONO_MARSHAL_CONV_LPTSTR_SB:
1468 return mono_string_utf16_to_builder;
1470 return mono_string_utf8_to_builder;
1472 case MONO_MARSHAL_CONV_LPWSTR_SB:
1473 return mono_string_utf16_to_builder;
1474 case MONO_MARSHAL_FREE_ARRAY:
1475 return mono_marshal_free_array;
1476 case MONO_MARSHAL_CONV_STR_BYVALSTR:
1477 return mono_string_to_byvalstr;
1478 case MONO_MARSHAL_CONV_STR_BYVALWSTR:
1479 return mono_string_to_byvalwstr;
1481 g_assert_not_reached ();
1488 emit_object_to_ptr_conv (MonoMethodBuilder *mb, MonoType *type, MonoMarshalConv conv, MonoMarshalSpec *mspec)
1493 case MONO_MARSHAL_CONV_BOOL_I4:
1494 mono_mb_emit_ldloc (mb, 1);
1495 mono_mb_emit_ldloc (mb, 0);
1496 mono_mb_emit_byte (mb, CEE_LDIND_U1);
1497 mono_mb_emit_byte (mb, CEE_STIND_I4);
1499 case MONO_MARSHAL_CONV_BOOL_VARIANTBOOL:
1500 mono_mb_emit_ldloc (mb, 1);
1501 mono_mb_emit_ldloc (mb, 0);
1502 mono_mb_emit_byte (mb, CEE_LDIND_U1);
1503 mono_mb_emit_byte (mb, CEE_NEG);
1504 mono_mb_emit_byte (mb, CEE_STIND_I2);
1506 case MONO_MARSHAL_CONV_STR_LPWSTR:
1507 case MONO_MARSHAL_CONV_STR_LPSTR:
1508 case MONO_MARSHAL_CONV_STR_LPTSTR:
1509 case MONO_MARSHAL_CONV_STR_BSTR:
1510 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
1511 case MONO_MARSHAL_CONV_STR_TBSTR: {
1514 /* free space if free == true */
1515 mono_mb_emit_ldloc (mb, 2);
1516 pos = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
1517 mono_mb_emit_ldloc (mb, 1);
1518 mono_mb_emit_byte (mb, CEE_LDIND_I);
1519 mono_mb_emit_icall (mb, g_free);
1520 mono_mb_patch_short_branch (mb, pos);
1522 mono_mb_emit_ldloc (mb, 1);
1523 mono_mb_emit_ldloc (mb, 0);
1524 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1525 mono_mb_emit_icall (mb, conv_to_icall (conv));
1526 mono_mb_emit_byte (mb, CEE_STIND_I);
1529 case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
1530 case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
1531 case MONO_MARSHAL_CONV_DEL_FTN:
1532 mono_mb_emit_ldloc (mb, 1);
1533 mono_mb_emit_ldloc (mb, 0);
1534 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1535 mono_mb_emit_icall (mb, conv_to_icall (conv));
1536 mono_mb_emit_byte (mb, CEE_STIND_I);
1538 case MONO_MARSHAL_CONV_STR_BYVALSTR:
1539 case MONO_MARSHAL_CONV_STR_BYVALWSTR: {
1542 mono_mb_emit_ldloc (mb, 1); /* dst */
1543 mono_mb_emit_ldloc (mb, 0);
1544 mono_mb_emit_byte (mb, CEE_LDIND_REF); /* src String */
1545 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1546 mono_mb_emit_icall (mb, conv_to_icall (conv));
1549 case MONO_MARSHAL_CONV_ARRAY_BYVALARRAY: {
1550 MonoClass *eklass = NULL;
1553 if (type->type == MONO_TYPE_SZARRAY) {
1554 eklass = type->data.klass;
1556 g_assert_not_reached ();
1559 if (eklass->valuetype)
1560 esize = mono_class_native_size (eklass, NULL);
1562 esize = sizeof (gpointer);
1564 mono_mb_emit_ldloc (mb, 0);
1565 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1566 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
1568 if (eklass->blittable) {
1569 mono_mb_emit_ldloc (mb, 1);
1570 mono_mb_emit_ldloc (mb, 0);
1571 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1572 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoArray, vector));
1573 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem * esize);
1574 mono_mb_emit_byte (mb, CEE_PREFIX1);
1575 mono_mb_emit_byte (mb, CEE_CPBLK);
1577 int array_var, src_var, dst_var, index_var;
1578 guint32 label2, label3;
1580 array_var = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
1581 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1582 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1585 mono_mb_emit_ldloc (mb, 0);
1586 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1587 mono_mb_emit_stloc (mb, array_var);
1589 /* save the old src pointer */
1590 mono_mb_emit_ldloc (mb, 0);
1591 mono_mb_emit_stloc (mb, src_var);
1592 /* save the old dst pointer */
1593 mono_mb_emit_ldloc (mb, 1);
1594 mono_mb_emit_stloc (mb, dst_var);
1596 /* Emit marshalling loop */
1597 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1598 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
1599 mono_mb_emit_stloc (mb, index_var);
1602 label2 = mono_mb_get_label (mb);
1603 mono_mb_emit_ldloc (mb, index_var);
1604 mono_mb_emit_ldloc (mb, array_var);
1605 mono_mb_emit_byte (mb, CEE_LDLEN);
1606 label3 = mono_mb_emit_branch (mb, CEE_BGE);
1609 mono_mb_emit_ldloc (mb, array_var);
1610 mono_mb_emit_ldloc (mb, index_var);
1611 mono_mb_emit_op (mb, CEE_LDELEMA, eklass);
1612 mono_mb_emit_stloc (mb, 0);
1614 /* dst is already set */
1616 /* Do the conversion */
1617 emit_struct_conv (mb, eklass, FALSE);
1620 mono_mb_emit_add_to_local (mb, index_var, 1);
1622 mono_mb_emit_branch_label (mb, CEE_BR, label2);
1624 mono_mb_patch_branch (mb, label3);
1626 /* restore the old src pointer */
1627 mono_mb_emit_ldloc (mb, src_var);
1628 mono_mb_emit_stloc (mb, 0);
1629 /* restore the old dst pointer */
1630 mono_mb_emit_ldloc (mb, dst_var);
1631 mono_mb_emit_stloc (mb, 1);
1634 mono_mb_patch_branch (mb, pos);
1637 case MONO_MARSHAL_CONV_ARRAY_BYVALCHARARRAY: {
1638 mono_mb_emit_ldloc (mb, 0);
1639 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1640 pos = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
1642 mono_mb_emit_ldloc (mb, 1);
1643 mono_mb_emit_ldloc (mb, 0);
1644 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1645 mono_mb_emit_ptr (mb, mono_defaults.byte_class);
1646 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1647 mono_mb_emit_icall (mb, mono_array_to_byvalarray);
1648 mono_mb_patch_short_branch (mb, pos);
1651 case MONO_MARSHAL_CONV_OBJECT_STRUCT: {
1652 int src_var, dst_var;
1654 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1655 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1657 mono_mb_emit_ldloc (mb, 0);
1658 mono_mb_emit_byte (mb, CEE_LDIND_I);
1659 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
1661 /* save the old src pointer */
1662 mono_mb_emit_ldloc (mb, 0);
1663 mono_mb_emit_stloc (mb, src_var);
1664 /* save the old dst pointer */
1665 mono_mb_emit_ldloc (mb, 1);
1666 mono_mb_emit_stloc (mb, dst_var);
1668 /* src = pointer to object data */
1669 mono_mb_emit_ldloc (mb, 0);
1670 mono_mb_emit_byte (mb, CEE_LDIND_I);
1671 mono_mb_emit_icon (mb, sizeof (MonoObject));
1672 mono_mb_emit_byte (mb, CEE_ADD);
1673 mono_mb_emit_stloc (mb, 0);
1675 emit_struct_conv (mb, mono_class_from_mono_type (type), FALSE);
1677 /* restore the old src pointer */
1678 mono_mb_emit_ldloc (mb, src_var);
1679 mono_mb_emit_stloc (mb, 0);
1680 /* restore the old dst pointer */
1681 mono_mb_emit_ldloc (mb, dst_var);
1682 mono_mb_emit_stloc (mb, 1);
1684 mono_mb_patch_branch (mb, pos);
1689 case MONO_MARSHAL_CONV_OBJECT_INTERFACE:
1690 case MONO_MARSHAL_CONV_OBJECT_IDISPATCH:
1691 case MONO_MARSHAL_CONV_OBJECT_IUNKNOWN:
1692 mono_cominterop_emit_object_to_ptr_conv (mb, type, conv, mspec);
1694 #endif /* DISABLE_COM */
1696 case MONO_MARSHAL_CONV_SAFEHANDLE: {
1697 int dar_release_slot, pos;
1699 dar_release_slot = mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
1702 * The following is ifdefed-out, because I have no way of doing the
1703 * DangerousRelease when destroying the structure
1706 /* set release = false */
1707 mono_mb_emit_icon (mb, 0);
1708 mono_mb_emit_stloc (mb, dar_release_slot);
1709 if (!sh_dangerous_add_ref)
1710 init_safe_handle ();
1712 /* safehandle.DangerousAddRef (ref release) */
1713 mono_mb_emit_ldloc (mb, 0); /* the source */
1714 mono_mb_emit_byte (mb, CEE_LDIND_I);
1715 mono_mb_emit_ldloc_addr (mb, dar_release_slot);
1716 mono_mb_emit_managed_call (mb, sh_dangerous_add_ref, NULL);
1718 mono_mb_emit_ldloc (mb, 0);
1719 mono_mb_emit_byte (mb, CEE_LDIND_I);
1720 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
1721 mono_mb_emit_exception (mb, "ArgumentNullException", NULL);
1722 mono_mb_patch_branch (mb, pos);
1724 /* Pull the handle field from SafeHandle */
1725 mono_mb_emit_ldloc (mb, 1);
1726 mono_mb_emit_ldloc (mb, 0);
1727 mono_mb_emit_byte (mb, CEE_LDIND_I);
1728 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoSafeHandle, handle));
1729 mono_mb_emit_byte (mb, CEE_LDIND_I);
1730 mono_mb_emit_byte (mb, CEE_STIND_I);
1734 case MONO_MARSHAL_CONV_HANDLEREF: {
1735 mono_mb_emit_ldloc (mb, 1);
1736 mono_mb_emit_ldloc (mb, 0);
1737 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoHandleRef, handle));
1738 mono_mb_emit_byte (mb, CEE_ADD);
1739 mono_mb_emit_byte (mb, CEE_LDIND_I);
1740 mono_mb_emit_byte (mb, CEE_STIND_I);
1745 char *msg = g_strdup_printf ("marshalling conversion %d not implemented", conv);
1746 MonoException *exc = mono_get_exception_not_implemented (msg);
1747 g_warning ("%s", msg);
1749 mono_raise_exception (exc);
1755 emit_struct_conv (MonoMethodBuilder *mb, MonoClass *klass, gboolean to_object)
1757 MonoMarshalType *info;
1761 emit_struct_conv(mb, klass->parent, to_object);
1763 info = mono_marshal_load_type_info (klass);
1765 if (info->native_size == 0)
1768 if (klass->blittable) {
1769 int msize = mono_class_value_size (klass, NULL);
1770 g_assert (msize == info->native_size);
1771 mono_mb_emit_ldloc (mb, 1);
1772 mono_mb_emit_ldloc (mb, 0);
1773 mono_mb_emit_icon (mb, msize);
1774 mono_mb_emit_byte (mb, CEE_PREFIX1);
1775 mono_mb_emit_byte (mb, CEE_CPBLK);
1777 mono_mb_emit_add_to_local (mb, 0, msize);
1778 mono_mb_emit_add_to_local (mb, 1, msize);
1782 if (klass != mono_defaults.safehandle_class) {
1783 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
1784 char *msg = g_strdup_printf ("Type %s which is passed to unmanaged code must have a StructLayout attribute.",
1785 mono_type_full_name (&klass->byval_arg));
1786 mono_mb_emit_exception_marshal_directive (mb, msg);
1791 for (i = 0; i < info->num_fields; i++) {
1792 MonoMarshalNative ntype;
1793 MonoMarshalConv conv;
1794 MonoType *ftype = info->fields [i].field->type;
1797 gboolean last_field = i < (info->num_fields -1) ? 0 : 1;
1799 if (ftype->attrs & FIELD_ATTRIBUTE_STATIC)
1802 ntype = mono_type_to_unmanaged (ftype, info->fields [i].mspec, TRUE, klass->unicode, &conv);
1805 msize = klass->instance_size - info->fields [i].field->offset;
1806 usize = info->native_size - info->fields [i].offset;
1808 msize = info->fields [i + 1].field->offset - info->fields [i].field->offset;
1809 usize = info->fields [i + 1].offset - info->fields [i].offset;
1812 if (klass != mono_defaults.safehandle_class){
1814 * FIXME: Should really check for usize==0 and msize>0, but we apply
1815 * the layout to the managed structure as well.
1818 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) && (usize == 0)) {
1819 if (MONO_TYPE_IS_REFERENCE (info->fields [i].field->type) ||
1820 ((!last_field && MONO_TYPE_IS_REFERENCE (info->fields [i + 1].field->type))))
1821 g_error ("Type %s which has an [ExplicitLayout] attribute cannot have a "
1822 "reference field at the same offset as another field.",
1823 mono_type_full_name (&klass->byval_arg));
1828 case MONO_MARSHAL_CONV_NONE: {
1831 if (ftype->byref || ftype->type == MONO_TYPE_I ||
1832 ftype->type == MONO_TYPE_U) {
1833 mono_mb_emit_ldloc (mb, 1);
1834 mono_mb_emit_ldloc (mb, 0);
1835 mono_mb_emit_byte (mb, CEE_LDIND_I);
1836 mono_mb_emit_byte (mb, CEE_STIND_I);
1847 case MONO_TYPE_BOOLEAN:
1850 case MONO_TYPE_CHAR:
1856 mono_mb_emit_ldloc (mb, 1);
1857 mono_mb_emit_ldloc (mb, 0);
1858 mono_mb_emit_byte (mb, mono_type_to_ldind (ftype));
1859 mono_mb_emit_byte (mb, mono_type_to_stind (ftype));
1861 case MONO_TYPE_VALUETYPE: {
1862 int src_var, dst_var;
1864 if (ftype->data.klass->enumtype) {
1865 ftype = mono_class_enum_basetype (ftype->data.klass);
1869 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1870 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1872 /* save the old src pointer */
1873 mono_mb_emit_ldloc (mb, 0);
1874 mono_mb_emit_stloc (mb, src_var);
1875 /* save the old dst pointer */
1876 mono_mb_emit_ldloc (mb, 1);
1877 mono_mb_emit_stloc (mb, dst_var);
1879 emit_struct_conv (mb, ftype->data.klass, to_object);
1881 /* restore the old src pointer */
1882 mono_mb_emit_ldloc (mb, src_var);
1883 mono_mb_emit_stloc (mb, 0);
1884 /* restore the old dst pointer */
1885 mono_mb_emit_ldloc (mb, dst_var);
1886 mono_mb_emit_stloc (mb, 1);
1889 case MONO_TYPE_OBJECT: {
1890 mono_init_com_types ();
1892 static MonoMethod *variant_clear = NULL;
1893 static MonoMethod *get_object_for_native_variant = NULL;
1896 variant_clear = mono_class_get_method_from_name (mono_defaults.variant_class, "Clear", 0);
1897 if (!get_object_for_native_variant)
1898 get_object_for_native_variant = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetObjectForNativeVariant", 1);
1899 mono_mb_emit_ldloc (mb, 1);
1900 mono_mb_emit_ldloc (mb, 0);
1901 mono_mb_emit_managed_call (mb, get_object_for_native_variant, NULL);
1902 mono_mb_emit_byte (mb, CEE_STIND_REF);
1904 mono_mb_emit_ldloc (mb, 0);
1905 mono_mb_emit_managed_call (mb, variant_clear, NULL);
1908 static MonoMethod *get_native_variant_for_object = NULL;
1910 if (!get_native_variant_for_object)
1911 get_native_variant_for_object = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetNativeVariantForObject", 2);
1913 mono_mb_emit_ldloc (mb, 0);
1914 mono_mb_emit_byte(mb, CEE_LDIND_REF);
1915 mono_mb_emit_ldloc (mb, 1);
1916 mono_mb_emit_managed_call (mb, get_native_variant_for_object, NULL);
1922 g_warning ("marshaling type %02x not implemented", ftype->type);
1923 g_assert_not_reached ();
1928 int src_var, dst_var;
1930 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1931 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1933 /* save the old src pointer */
1934 mono_mb_emit_ldloc (mb, 0);
1935 mono_mb_emit_stloc (mb, src_var);
1936 /* save the old dst pointer */
1937 mono_mb_emit_ldloc (mb, 1);
1938 mono_mb_emit_stloc (mb, dst_var);
1941 emit_ptr_to_object_conv (mb, ftype, conv, info->fields [i].mspec);
1943 emit_object_to_ptr_conv (mb, ftype, conv, info->fields [i].mspec);
1945 /* restore the old src pointer */
1946 mono_mb_emit_ldloc (mb, src_var);
1947 mono_mb_emit_stloc (mb, 0);
1948 /* restore the old dst pointer */
1949 mono_mb_emit_ldloc (mb, dst_var);
1950 mono_mb_emit_stloc (mb, 1);
1955 mono_mb_emit_add_to_local (mb, 0, usize);
1956 mono_mb_emit_add_to_local (mb, 1, msize);
1958 mono_mb_emit_add_to_local (mb, 0, msize);
1959 mono_mb_emit_add_to_local (mb, 1, usize);
1965 emit_struct_free (MonoMethodBuilder *mb, MonoClass *klass, int struct_var)
1967 /* Call DestroyStructure */
1968 /* FIXME: Only do this if needed */
1969 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1970 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
1971 mono_mb_emit_ldloc (mb, struct_var);
1972 mono_mb_emit_icall (mb, mono_struct_delete_old);
1976 emit_thread_interrupt_checkpoint_call (MonoMethodBuilder *mb, gpointer checkpoint_func)
1980 mono_mb_emit_ptr (mb, (gpointer) mono_thread_interruption_request_flag ());
1981 mono_mb_emit_byte (mb, CEE_LDIND_U4);
1982 pos_noabort = mono_mb_emit_branch (mb, CEE_BRFALSE);
1984 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1985 mono_mb_emit_byte (mb, CEE_MONO_NOT_TAKEN);
1987 mono_mb_emit_icall (mb, checkpoint_func);
1989 mono_mb_patch_branch (mb, pos_noabort);
1993 emit_thread_interrupt_checkpoint (MonoMethodBuilder *mb)
1995 if (strstr (mb->name, "mono_thread_interruption_checkpoint"))
1998 emit_thread_interrupt_checkpoint_call (mb, mono_thread_interruption_checkpoint);
2002 emit_thread_force_interrupt_checkpoint (MonoMethodBuilder *mb)
2004 emit_thread_interrupt_checkpoint_call (mb, mono_thread_force_interruption_checkpoint);
2008 mono_marshal_emit_thread_interrupt_checkpoint (MonoMethodBuilder *mb)
2010 emit_thread_interrupt_checkpoint (mb);
2013 static MonoAsyncResult *
2014 mono_delegate_begin_invoke (MonoDelegate *delegate, gpointer *params)
2016 MonoMethodMessage *msg;
2017 MonoDelegate *async_callback;
2018 MonoMulticastDelegate *mcast_delegate;
2022 MonoMethod *method = NULL, *method2 = NULL;
2024 g_assert (delegate);
2025 mcast_delegate = (MonoMulticastDelegate *) delegate;
2026 if (mcast_delegate->prev != NULL)
2027 mono_raise_exception (mono_get_exception_argument (NULL, "The delegate must have only one target"));
2029 if (delegate->target && mono_object_class (delegate->target) == mono_defaults.transparent_proxy_class) {
2031 MonoTransparentProxy* tp = (MonoTransparentProxy *)delegate->target;
2032 if (!tp->remote_class->proxy_class->contextbound || tp->rp->context != (MonoObject *) mono_context_get ()) {
2034 /* If the target is a proxy, make a direct call. Is proxy's work
2035 // to make the call asynchronous.
2037 MonoAsyncResult *ares;
2039 MonoArray *out_args;
2040 method = delegate->method;
2042 msg = mono_method_call_message_new (mono_marshal_method_from_wrapper (method), params, NULL, &async_callback, &state);
2043 ares = mono_async_result_new (mono_domain_get (), NULL, state, NULL, NULL);
2044 MONO_OBJECT_SETREF (ares, async_delegate, (MonoObject *)delegate);
2045 MONO_OBJECT_SETREF (ares, async_callback, (MonoObject *)async_callback);
2046 MONO_OBJECT_SETREF (msg, async_result, ares);
2047 msg->call_type = CallType_BeginInvoke;
2050 mono_remoting_invoke ((MonoObject *)tp->rp, msg, &exc, &out_args);
2052 mono_raise_exception ((MonoException *) exc);
2057 klass = delegate->object.vtable->klass;
2059 method = mono_get_delegate_invoke (klass);
2060 method2 = mono_class_get_method_from_name (klass, "BeginInvoke", -1);
2063 g_assert (method != NULL);
2065 im = mono_get_delegate_invoke (method->klass);
2066 msg = mono_method_call_message_new (method, params, im, &async_callback, &state);
2068 return mono_thread_pool_add ((MonoObject *)delegate, msg, async_callback, state);
2072 mono_mb_emit_save_args (MonoMethodBuilder *mb, MonoMethodSignature *sig, gboolean save_this)
2074 int i, params_var, tmp_var;
2076 /* allocate local (pointer) *params[] */
2077 params_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2078 /* allocate local (pointer) tmp */
2079 tmp_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2081 /* alloate space on stack to store an array of pointers to the arguments */
2082 mono_mb_emit_icon (mb, sizeof (gpointer) * (sig->param_count + 1));
2083 mono_mb_emit_byte (mb, CEE_PREFIX1);
2084 mono_mb_emit_byte (mb, CEE_LOCALLOC);
2085 mono_mb_emit_stloc (mb, params_var);
2088 mono_mb_emit_ldloc (mb, params_var);
2089 mono_mb_emit_stloc (mb, tmp_var);
2091 if (save_this && sig->hasthis) {
2092 mono_mb_emit_ldloc (mb, tmp_var);
2093 mono_mb_emit_ldarg_addr (mb, 0);
2094 mono_mb_emit_byte (mb, CEE_STIND_I);
2095 /* tmp = tmp + sizeof (gpointer) */
2096 if (sig->param_count)
2097 mono_mb_emit_add_to_local (mb, tmp_var, sizeof (gpointer));
2101 for (i = 0; i < sig->param_count; i++) {
2102 mono_mb_emit_ldloc (mb, tmp_var);
2103 mono_mb_emit_ldarg_addr (mb, i + sig->hasthis);
2104 mono_mb_emit_byte (mb, CEE_STIND_I);
2105 /* tmp = tmp + sizeof (gpointer) */
2106 if (i < (sig->param_count - 1))
2107 mono_mb_emit_add_to_local (mb, tmp_var, sizeof (gpointer));
2114 mono_signature_to_name (MonoMethodSignature *sig, const char *prefix)
2118 GString *res = g_string_new ("");
2121 g_string_append (res, prefix);
2122 g_string_append_c (res, '_');
2125 mono_type_get_desc (res, sig->ret, FALSE);
2128 g_string_append (res, "__this__");
2130 for (i = 0; i < sig->param_count; ++i) {
2131 g_string_append_c (res, '_');
2132 mono_type_get_desc (res, sig->params [i], FALSE);
2135 g_string_free (res, FALSE);
2140 * mono_marshal_get_string_encoding:
2142 * Return the string encoding which should be used for a given parameter.
2144 static MonoMarshalNative
2145 mono_marshal_get_string_encoding (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
2147 /* First try the parameter marshal info */
2149 if (spec->native == MONO_NATIVE_LPARRAY) {
2150 if ((spec->data.array_data.elem_type != 0) && (spec->data.array_data.elem_type != MONO_NATIVE_MAX))
2151 return spec->data.array_data.elem_type;
2154 return spec->native;
2158 return MONO_NATIVE_LPSTR;
2160 /* Then try the method level marshal info */
2161 switch (piinfo->piflags & PINVOKE_ATTRIBUTE_CHAR_SET_MASK) {
2162 case PINVOKE_ATTRIBUTE_CHAR_SET_ANSI:
2163 return MONO_NATIVE_LPSTR;
2164 case PINVOKE_ATTRIBUTE_CHAR_SET_UNICODE:
2165 return MONO_NATIVE_LPWSTR;
2166 case PINVOKE_ATTRIBUTE_CHAR_SET_AUTO:
2168 return MONO_NATIVE_LPWSTR;
2170 return MONO_NATIVE_LPSTR;
2173 return MONO_NATIVE_LPSTR;
2177 static MonoMarshalConv
2178 mono_marshal_get_string_to_ptr_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
2180 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
2183 case MONO_NATIVE_LPWSTR:
2184 return MONO_MARSHAL_CONV_STR_LPWSTR;
2185 case MONO_NATIVE_LPSTR:
2186 return MONO_MARSHAL_CONV_STR_LPSTR;
2187 case MONO_NATIVE_LPTSTR:
2188 return MONO_MARSHAL_CONV_STR_LPTSTR;
2189 case MONO_NATIVE_BSTR:
2190 return MONO_MARSHAL_CONV_STR_BSTR;
2196 static MonoMarshalConv
2197 mono_marshal_get_stringbuilder_to_ptr_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
2199 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
2202 case MONO_NATIVE_LPWSTR:
2203 return MONO_MARSHAL_CONV_SB_LPWSTR;
2205 case MONO_NATIVE_LPSTR:
2206 return MONO_MARSHAL_CONV_SB_LPSTR;
2208 case MONO_NATIVE_LPTSTR:
2209 return MONO_MARSHAL_CONV_SB_LPTSTR;
2216 static MonoMarshalConv
2217 mono_marshal_get_ptr_to_string_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec, gboolean *need_free)
2219 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
2224 case MONO_NATIVE_LPWSTR:
2226 return MONO_MARSHAL_CONV_LPWSTR_STR;
2227 case MONO_NATIVE_LPSTR:
2228 return MONO_MARSHAL_CONV_LPSTR_STR;
2229 case MONO_NATIVE_LPTSTR:
2230 return MONO_MARSHAL_CONV_LPTSTR_STR;
2231 case MONO_NATIVE_BSTR:
2232 return MONO_MARSHAL_CONV_BSTR_STR;
2238 static MonoMarshalConv
2239 mono_marshal_get_ptr_to_stringbuilder_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec, gboolean *need_free)
2241 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
2246 case MONO_NATIVE_LPWSTR:
2248 * mono_string_builder_to_utf16 does not allocate a
2249 * new buffer, so no need to free it.
2252 return MONO_MARSHAL_CONV_LPWSTR_SB;
2253 case MONO_NATIVE_LPSTR:
2254 return MONO_MARSHAL_CONV_LPSTR_SB;
2256 case MONO_NATIVE_LPTSTR:
2257 return MONO_MARSHAL_CONV_LPTSTR_SB;
2265 * Return whenever a field of a native structure or an array member needs to
2269 mono_marshal_need_free (MonoType *t, MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
2271 MonoMarshalNative encoding;
2272 MonoMarshalConv conv;
2275 case MONO_TYPE_VALUETYPE:
2276 /* FIXME: Optimize this */
2278 case MONO_TYPE_OBJECT:
2279 case MONO_TYPE_CLASS:
2280 if (t->data.klass == mono_defaults.stringbuilder_class) {
2282 conv = mono_marshal_get_ptr_to_stringbuilder_conv (piinfo, spec, &need_free);
2286 case MONO_TYPE_STRING:
2287 encoding = mono_marshal_get_string_encoding (piinfo, spec);
2288 return (encoding == MONO_NATIVE_LPWSTR) ? FALSE : TRUE;
2295 * Return the hash table pointed to by VAR, lazily creating it if neccesary.
2298 get_cache (GHashTable **var, GHashFunc hash_func, GCompareFunc equal_func)
2301 mono_marshal_lock ();
2304 g_hash_table_new (hash_func, equal_func);
2305 mono_memory_barrier ();
2308 mono_marshal_unlock ();
2314 mono_marshal_get_cache (GHashTable **var, GHashFunc hash_func, GCompareFunc equal_func)
2316 return get_cache (var, hash_func, equal_func);
2320 mono_marshal_find_in_cache (GHashTable *cache, gpointer key)
2324 mono_marshal_lock ();
2325 res = g_hash_table_lookup (cache, key);
2326 mono_marshal_unlock ();
2331 mono_marshal_method_set_wrapper_data (MonoMethod *method, gpointer data)
2335 if (method->wrapper_type == MONO_WRAPPER_NONE || method->wrapper_type == MONO_WRAPPER_DYNAMIC_METHOD)
2338 datav = ((MonoMethodWrapper *)method)->method_data;
2342 /* Create the method from the builder and place it in the cache */
2344 mono_mb_create_and_cache (GHashTable *cache, gpointer key,
2345 MonoMethodBuilder *mb, MonoMethodSignature *sig,
2350 mono_marshal_lock ();
2351 res = g_hash_table_lookup (cache, key);
2352 mono_marshal_unlock ();
2355 newm = mono_mb_create_method (mb, sig, max_stack);
2356 mono_marshal_lock ();
2357 res = g_hash_table_lookup (cache, key);
2360 g_hash_table_insert (cache, key, res);
2361 mono_marshal_method_set_wrapper_data (res, key);
2362 mono_marshal_unlock ();
2364 mono_marshal_unlock ();
2365 mono_free_method (newm);
2373 static inline MonoMethod*
2374 mono_marshal_remoting_find_in_cache (MonoMethod *method, int wrapper_type)
2376 MonoMethod *res = NULL;
2377 MonoRemotingMethods *wrps;
2379 mono_marshal_lock ();
2380 if (method->klass->image->remoting_invoke_cache)
2381 wrps = g_hash_table_lookup (method->klass->image->remoting_invoke_cache, method);
2386 switch (wrapper_type) {
2387 case MONO_WRAPPER_REMOTING_INVOKE: res = wrps->invoke; break;
2388 case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK: res = wrps->invoke_with_check; break;
2389 case MONO_WRAPPER_XDOMAIN_INVOKE: res = wrps->xdomain_invoke; break;
2390 case MONO_WRAPPER_XDOMAIN_DISPATCH: res = wrps->xdomain_dispatch; break;
2394 /* it is important to do the unlock after the load from wrps, since in
2395 * mono_remoting_mb_create_and_cache () we drop the marshal lock to be able
2396 * to take the loader lock and some other thread may set the fields.
2398 mono_marshal_unlock ();
2402 /* Create the method from the builder and place it in the cache */
2403 static inline MonoMethod*
2404 mono_remoting_mb_create_and_cache (MonoMethod *key, MonoMethodBuilder *mb,
2405 MonoMethodSignature *sig, int max_stack)
2407 MonoMethod **res = NULL;
2408 MonoRemotingMethods *wrps;
2409 GHashTable *cache = get_cache (&key->klass->image->remoting_invoke_cache, mono_aligned_addr_hash, NULL);
2411 mono_marshal_lock ();
2412 wrps = g_hash_table_lookup (cache, key);
2414 wrps = g_new0 (MonoRemotingMethods, 1);
2415 g_hash_table_insert (cache, key, wrps);
2418 switch (mb->method->wrapper_type) {
2419 case MONO_WRAPPER_REMOTING_INVOKE: res = &wrps->invoke; break;
2420 case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK: res = &wrps->invoke_with_check; break;
2421 case MONO_WRAPPER_XDOMAIN_INVOKE: res = &wrps->xdomain_invoke; break;
2422 case MONO_WRAPPER_XDOMAIN_DISPATCH: res = &wrps->xdomain_dispatch; break;
2423 default: g_assert_not_reached (); break;
2425 mono_marshal_unlock ();
2429 newm = mono_mb_create_method (mb, sig, max_stack);
2431 mono_marshal_lock ();
2434 mono_marshal_method_set_wrapper_data (*res, key);
2435 mono_marshal_unlock ();
2437 mono_marshal_unlock ();
2438 mono_free_method (newm);
2446 mono_marshal_method_from_wrapper (MonoMethod *wrapper)
2450 if (wrapper->wrapper_type == MONO_WRAPPER_NONE || wrapper->wrapper_type == MONO_WRAPPER_DYNAMIC_METHOD)
2453 res = mono_method_get_wrapper_data (wrapper, 1);
2460 mono_marshal_wrapper_info_from_wrapper (MonoMethod *wrapper)
2462 return mono_method_get_wrapper_data (wrapper, 1);
2466 * get_wrapper_target_class:
2468 * Return the class where a wrapper method should be placed.
2471 get_wrapper_target_class (MonoImage *image)
2477 * - can't put all wrappers into an mscorlib class, because they reference
2478 * metadata (signature) so they should be put into the same image as the
2479 * method they wrap, so they are unloaded together.
2480 * - putting them into a class with a type initalizer could cause the
2481 * initializer to be executed which can be a problem if the wrappers are
2483 * - putting them into an inflated class can cause problems if the the
2484 * class is deleted because it references an image which is unloaded.
2485 * To avoid these problems, we put the wrappers into the <Module> class of
2489 klass = ((MonoDynamicImage*)image)->wrappers_type;
2491 klass = mono_class_get (image, mono_metadata_make_token (MONO_TABLE_TYPEDEF, 1));
2498 mono_marshal_get_delegate_begin_invoke (MonoMethod *method)
2500 MonoMethodSignature *sig;
2501 MonoMethodBuilder *mb;
2507 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
2508 !strcmp (method->name, "BeginInvoke"));
2510 sig = mono_signature_no_pinvoke (method);
2512 cache = get_cache (&method->klass->image->delegate_begin_invoke_cache,
2513 (GHashFunc)mono_signature_hash,
2514 (GCompareFunc)mono_metadata_signature_equal);
2515 if ((res = mono_marshal_find_in_cache (cache, sig)))
2518 g_assert (sig->hasthis);
2520 name = mono_signature_to_name (sig, "begin_invoke");
2521 mb = mono_mb_new (get_wrapper_target_class (method->klass->image), name, MONO_WRAPPER_DELEGATE_BEGIN_INVOKE);
2524 params_var = mono_mb_emit_save_args (mb, sig, FALSE);
2526 mono_mb_emit_ldarg (mb, 0);
2527 mono_mb_emit_ldloc (mb, params_var);
2528 mono_mb_emit_icall (mb, mono_delegate_begin_invoke);
2529 mono_mb_emit_byte (mb, CEE_RET);
2531 res = mono_mb_create_and_cache (cache, sig, mb, sig, sig->param_count + 16);
2537 mono_delegate_end_invoke (MonoDelegate *delegate, gpointer *params)
2539 MonoDomain *domain = mono_domain_get ();
2540 MonoAsyncResult *ares;
2541 MonoMethod *method = NULL;
2542 MonoMethodSignature *sig;
2543 MonoMethodMessage *msg;
2544 MonoObject *res, *exc;
2545 MonoArray *out_args;
2548 g_assert (delegate);
2550 if (!delegate->method_info) {
2551 g_assert (delegate->method);
2552 MONO_OBJECT_SETREF (delegate, method_info, mono_method_get_object (domain, delegate->method, NULL));
2555 if (!delegate->method_info || !delegate->method_info->method)
2556 g_assert_not_reached ();
2558 klass = delegate->object.vtable->klass;
2560 method = mono_class_get_method_from_name (klass, "EndInvoke", -1);
2561 g_assert (method != NULL);
2563 sig = mono_signature_no_pinvoke (method);
2565 msg = mono_method_call_message_new (method, params, NULL, NULL, NULL);
2567 ares = mono_array_get (msg->args, gpointer, sig->param_count - 1);
2569 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."));
2573 if (ares->async_delegate != (MonoObject*)delegate && mono_framework_version () >= 2) {
2574 mono_raise_exception (mono_get_exception_invalid_operation (
2575 "The IAsyncResult object provided does not match this delegate."));
2579 if (delegate->target && mono_object_class (delegate->target) == mono_defaults.transparent_proxy_class) {
2580 MonoTransparentProxy* tp = (MonoTransparentProxy *)delegate->target;
2581 msg = (MonoMethodMessage *)mono_object_new (domain, mono_defaults.mono_method_message_class);
2582 mono_message_init (domain, msg, delegate->method_info, NULL);
2583 msg->call_type = CallType_EndInvoke;
2584 MONO_OBJECT_SETREF (msg, async_result, ares);
2585 res = mono_remoting_invoke ((MonoObject *)tp->rp, msg, &exc, &out_args);
2587 res = mono_thread_pool_finish (ares, &out_args, &exc);
2591 if (((MonoException*)exc)->stack_trace) {
2592 char *strace = mono_string_to_utf8 (((MonoException*)exc)->stack_trace);
2594 tmp = g_strdup_printf ("%s\nException Rethrown at:\n", strace);
2596 MONO_OBJECT_SETREF (((MonoException*)exc), stack_trace, mono_string_new (domain, tmp));
2599 mono_raise_exception ((MonoException*)exc);
2602 mono_method_return_message_restore (method, params, out_args);
2607 mono_mb_emit_restore_result (MonoMethodBuilder *mb, MonoType *return_type)
2609 MonoType *t = mono_type_get_underlying_type (return_type);
2611 if (return_type->byref)
2612 return_type = &mono_defaults.int_class->byval_arg;
2615 case MONO_TYPE_VOID:
2616 g_assert_not_reached ();
2619 case MONO_TYPE_STRING:
2620 case MONO_TYPE_CLASS:
2621 case MONO_TYPE_OBJECT:
2622 case MONO_TYPE_ARRAY:
2623 case MONO_TYPE_SZARRAY:
2627 case MONO_TYPE_BOOLEAN:
2630 case MONO_TYPE_CHAR:
2640 mono_mb_emit_op (mb, CEE_UNBOX, mono_class_from_mono_type (return_type));
2641 mono_mb_emit_byte (mb, mono_type_to_ldind (return_type));
2643 case MONO_TYPE_GENERICINST:
2644 if (!mono_type_generic_inst_is_valuetype (t))
2647 case MONO_TYPE_VALUETYPE: {
2648 MonoClass *klass = mono_class_from_mono_type (return_type);
2649 mono_mb_emit_op (mb, CEE_UNBOX, klass);
2650 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
2654 g_warning ("type 0x%x not handled", return_type->type);
2655 g_assert_not_reached ();
2658 mono_mb_emit_byte (mb, CEE_RET);
2662 mono_marshal_get_delegate_end_invoke (MonoMethod *method)
2664 MonoMethodSignature *sig;
2665 MonoMethodBuilder *mb;
2671 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
2672 !strcmp (method->name, "EndInvoke"));
2674 sig = mono_signature_no_pinvoke (method);
2676 cache = get_cache (&method->klass->image->delegate_end_invoke_cache,
2677 (GHashFunc)mono_signature_hash,
2678 (GCompareFunc)mono_metadata_signature_equal);
2679 if ((res = mono_marshal_find_in_cache (cache, sig)))
2682 g_assert (sig->hasthis);
2684 name = mono_signature_to_name (sig, "end_invoke");
2685 mb = mono_mb_new (get_wrapper_target_class (method->klass->image), name, MONO_WRAPPER_DELEGATE_END_INVOKE);
2688 params_var = mono_mb_emit_save_args (mb, sig, FALSE);
2690 mono_mb_emit_ldarg (mb, 0);
2691 mono_mb_emit_ldloc (mb, params_var);
2692 mono_mb_emit_icall (mb, mono_delegate_end_invoke);
2694 if (sig->ret->type == MONO_TYPE_VOID) {
2695 mono_mb_emit_byte (mb, CEE_POP);
2696 mono_mb_emit_byte (mb, CEE_RET);
2698 mono_mb_emit_restore_result (mb, sig->ret);
2700 res = mono_mb_create_and_cache (cache, sig,
2701 mb, sig, sig->param_count + 16);
2708 mono_remoting_wrapper (MonoMethod *method, gpointer *params)
2710 MonoMethodMessage *msg;
2711 MonoTransparentProxy *this;
2712 MonoObject *res, *exc;
2713 MonoArray *out_args;
2715 this = *((MonoTransparentProxy **)params [0]);
2718 g_assert (((MonoObject *)this)->vtable->klass == mono_defaults.transparent_proxy_class);
2720 /* skip the this pointer */
2723 if (this->remote_class->proxy_class->contextbound && this->rp->context == (MonoObject *) mono_context_get ())
2726 MonoMethodSignature *sig = mono_method_signature (method);
2727 int count = sig->param_count;
2728 gpointer* mparams = (gpointer*) alloca(count*sizeof(gpointer));
2730 for (i=0; i<count; i++) {
2731 MonoClass *class = mono_class_from_mono_type (sig->params [i]);
2732 if (class->valuetype) {
2733 if (sig->params [i]->byref) {
2734 mparams[i] = *((gpointer *)params [i]);
2736 /* runtime_invoke expects a boxed instance */
2737 if (mono_class_is_nullable (mono_class_from_mono_type (sig->params [i])))
2738 mparams[i] = mono_nullable_box (params [i], class);
2740 mparams[i] = params [i];
2743 mparams[i] = *((gpointer**)params [i]);
2747 return mono_runtime_invoke (method, method->klass->valuetype? mono_object_unbox ((MonoObject*)this): this, mparams, NULL);
2750 msg = mono_method_call_message_new (method, params, NULL, NULL, NULL);
2752 res = mono_remoting_invoke ((MonoObject *)this->rp, msg, &exc, &out_args);
2755 mono_raise_exception ((MonoException *)exc);
2757 mono_method_return_message_restore (method, params, out_args);
2763 mono_marshal_get_remoting_invoke (MonoMethod *method)
2765 MonoMethodSignature *sig;
2766 MonoMethodBuilder *mb;
2772 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE || method->wrapper_type == MONO_WRAPPER_XDOMAIN_INVOKE)
2775 /* this seems to be the best plase to put this, as all remoting invokes seem to get filtered through here */
2776 if (method->klass->is_com_object || method->klass == mono_defaults.com_object_class) {
2777 MonoVTable *vtable = mono_class_vtable (mono_domain_get (), method->klass);
2778 g_assert (vtable); /*FIXME do proper error handling*/
2780 if (!vtable->remote) {
2782 return mono_cominterop_get_invoke (method);
2784 g_assert_not_reached ();
2789 sig = mono_signature_no_pinvoke (method);
2791 /* we cant remote methods without this pointer */
2795 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_REMOTING_INVOKE)))
2798 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_REMOTING_INVOKE);
2799 mb->method->save_lmf = 1;
2801 params_var = mono_mb_emit_save_args (mb, sig, TRUE);
2803 mono_mb_emit_ptr (mb, method);
2804 mono_mb_emit_ldloc (mb, params_var);
2805 mono_mb_emit_icall (mb, mono_remoting_wrapper);
2806 emit_thread_interrupt_checkpoint (mb);
2808 if (sig->ret->type == MONO_TYPE_VOID) {
2809 mono_mb_emit_byte (mb, CEE_POP);
2810 mono_mb_emit_byte (mb, CEE_RET);
2812 mono_mb_emit_restore_result (mb, sig->ret);
2815 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16);
2821 /* mono_get_xdomain_marshal_type()
2822 * Returns the kind of marshalling that a type needs for cross domain calls.
2824 static MonoXDomainMarshalType
2825 mono_get_xdomain_marshal_type (MonoType *t)
2828 case MONO_TYPE_VOID:
2829 g_assert_not_reached ();
2833 case MONO_TYPE_BOOLEAN:
2836 case MONO_TYPE_CHAR:
2843 return MONO_MARSHAL_NONE;
2844 case MONO_TYPE_STRING:
2845 return MONO_MARSHAL_COPY;
2846 case MONO_TYPE_ARRAY:
2847 case MONO_TYPE_SZARRAY: {
2848 MonoClass *elem_class = mono_class_from_mono_type (t)->element_class;
2849 if (mono_get_xdomain_marshal_type (&(elem_class->byval_arg)) != MONO_MARSHAL_SERIALIZE)
2850 return MONO_MARSHAL_COPY;
2855 return MONO_MARSHAL_SERIALIZE;
2859 /* mono_marshal_xdomain_copy_value
2860 * Makes a copy of "val" suitable for the current domain.
2863 mono_marshal_xdomain_copy_value (MonoObject *val)
2866 if (val == NULL) return NULL;
2868 domain = mono_domain_get ();
2870 switch (mono_object_class (val)->byval_arg.type) {
2871 case MONO_TYPE_VOID:
2872 g_assert_not_reached ();
2876 case MONO_TYPE_BOOLEAN:
2879 case MONO_TYPE_CHAR:
2885 case MONO_TYPE_R8: {
2886 return mono_value_box (domain, mono_object_class (val), ((char*)val) + sizeof(MonoObject));
2888 case MONO_TYPE_STRING: {
2889 MonoString *str = (MonoString *) val;
2890 return (MonoObject *) mono_string_new_utf16 (domain, mono_string_chars (str), mono_string_length (str));
2892 case MONO_TYPE_ARRAY:
2893 case MONO_TYPE_SZARRAY: {
2895 MonoXDomainMarshalType mt = mono_get_xdomain_marshal_type (&(mono_object_class (val)->element_class->byval_arg));
2896 if (mt == MONO_MARSHAL_SERIALIZE) return NULL;
2897 acopy = mono_array_clone_in_domain (domain, (MonoArray *) val);
2898 if (mt == MONO_MARSHAL_COPY) {
2899 int i, len = mono_array_length (acopy);
2900 for (i = 0; i < len; i++) {
2901 MonoObject *item = mono_array_get (acopy, gpointer, i);
2902 mono_array_setref (acopy, i, mono_marshal_xdomain_copy_value (item));
2905 return (MonoObject *) acopy;
2909 if (mono_object_class (val) == mono_defaults.stringbuilder_class) {
2910 MonoStringBuilder *oldsb = (MonoStringBuilder *) val;
2911 MonoStringBuilder *newsb = (MonoStringBuilder *) mono_object_new (domain, mono_defaults.stringbuilder_class);
2912 MONO_OBJECT_SETREF (newsb, str, mono_string_new_utf16 (domain, mono_string_chars (oldsb->str), mono_string_length (oldsb->str)));
2913 newsb->length = oldsb->length;
2914 newsb->max_capacity = (gint32)0x7fffffff;
2915 return (MonoObject *) newsb;
2920 /* mono_marshal_xdomain_copy_out_value()
2921 * Copies the contents of the src instance into the dst instance. src and dst
2922 * must have the same type, and if they are arrays, the same size.
2925 mono_marshal_xdomain_copy_out_value (MonoObject *src, MonoObject *dst)
2927 if (src == NULL || dst == NULL) return;
2929 g_assert (mono_object_class (src) == mono_object_class (dst));
2931 switch (mono_object_class (src)->byval_arg.type) {
2932 case MONO_TYPE_ARRAY:
2933 case MONO_TYPE_SZARRAY: {
2934 int mt = mono_get_xdomain_marshal_type (&(mono_object_class (src)->element_class->byval_arg));
2935 if (mt == MONO_MARSHAL_SERIALIZE) return;
2936 if (mt == MONO_MARSHAL_COPY) {
2937 int i, len = mono_array_length ((MonoArray *)dst);
2938 for (i = 0; i < len; i++) {
2939 MonoObject *item = mono_array_get ((MonoArray *)src, gpointer, i);
2940 mono_array_setref ((MonoArray *)dst, i, mono_marshal_xdomain_copy_value (item));
2943 mono_array_full_copy ((MonoArray *)src, (MonoArray *)dst);
2949 if (mono_object_class (src) == mono_defaults.stringbuilder_class) {
2950 MonoStringBuilder *src_sb = (MonoStringBuilder *) src;
2951 MonoStringBuilder *dst_sb = (MonoStringBuilder *) dst;
2953 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)));
2954 dst_sb->cached_str = NULL;
2955 dst_sb->length = src_sb->length;
2960 mono_marshal_emit_xdomain_copy_value (MonoMethodBuilder *mb, MonoClass *pclass)
2962 mono_mb_emit_icall (mb, mono_marshal_xdomain_copy_value);
2963 mono_mb_emit_op (mb, CEE_CASTCLASS, pclass);
2967 mono_marshal_emit_xdomain_copy_out_value (MonoMethodBuilder *mb, MonoClass *pclass)
2969 mono_mb_emit_icall (mb, mono_marshal_xdomain_copy_out_value);
2972 /* mono_marshal_supports_fast_xdomain()
2973 * Returns TRUE if the method can use the fast xdomain wrapper.
2976 mono_marshal_supports_fast_xdomain (MonoMethod *method)
2978 return !method->klass->contextbound &&
2979 !((method->flags & METHOD_ATTRIBUTE_SPECIAL_NAME) && (strcmp (".ctor", method->name) == 0));
2983 mono_marshal_set_domain_by_id (gint32 id, MonoBoolean push)
2985 MonoDomain *current_domain = mono_domain_get ();
2986 MonoDomain *domain = mono_domain_get_by_id (id);
2988 if (!domain || !mono_domain_set (domain, FALSE))
2989 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
2992 mono_thread_push_appdomain_ref (domain);
2994 mono_thread_pop_appdomain_ref ();
2996 return current_domain->domain_id;
3000 mono_marshal_emit_switch_domain (MonoMethodBuilder *mb)
3002 mono_mb_emit_icall (mb, mono_marshal_set_domain_by_id);
3005 /* mono_marshal_emit_load_domain_method ()
3006 * Loads into the stack a pointer to the code of the provided method for
3007 * the current domain.
3010 mono_marshal_emit_load_domain_method (MonoMethodBuilder *mb, MonoMethod *method)
3012 /* We need a pointer to the method for the running domain (not the domain
3013 * that compiles the method).
3015 mono_mb_emit_ptr (mb, method);
3016 mono_mb_emit_icall (mb, mono_compile_method);
3019 /* mono_marshal_check_domain_image ()
3020 * Returns TRUE if the image is loaded in the specified
3021 * application domain.
3024 mono_marshal_check_domain_image (gint32 domain_id, MonoImage *image)
3029 MonoDomain *domain = mono_domain_get_by_id (domain_id);
3033 mono_domain_assemblies_lock (domain);
3034 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
3036 if (ass->image == image)
3039 mono_domain_assemblies_unlock (domain);
3044 /* mono_marshal_get_xappdomain_dispatch ()
3045 * Generates a method that dispatches a method call from another domain into
3046 * the current domain.
3049 mono_marshal_get_xappdomain_dispatch (MonoMethod *method, int *marshal_types, int complex_count, int complex_out_count, int ret_marshal_type)
3051 MonoMethodSignature *sig, *csig;
3052 MonoMethodBuilder *mb;
3054 int i, j, param_index, copy_locals_base;
3055 MonoClass *ret_class = NULL;
3056 int loc_array=0, loc_return=0, loc_serialized_exc=0;
3057 MonoExceptionClause *main_clause;
3059 gboolean copy_return;
3061 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_XDOMAIN_DISPATCH)))
3064 sig = mono_method_signature (method);
3065 copy_return = (sig->ret->type != MONO_TYPE_VOID && ret_marshal_type != MONO_MARSHAL_SERIALIZE);
3068 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3 + sig->param_count - complex_count);
3069 csig->params [j++] = &mono_defaults.object_class->byval_arg;
3070 csig->params [j++] = &byte_array_class->this_arg;
3071 csig->params [j++] = &byte_array_class->this_arg;
3072 for (i = 0; i < sig->param_count; i++) {
3073 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE)
3074 csig->params [j++] = sig->params [i];
3077 csig->ret = sig->ret;
3079 csig->ret = &mono_defaults.void_class->byval_arg;
3081 csig->hasthis = FALSE;
3083 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_XDOMAIN_DISPATCH);
3084 mb->method->save_lmf = 1;
3088 loc_serialized_exc = mono_mb_add_local (mb, &byte_array_class->byval_arg);
3089 if (complex_count > 0)
3090 loc_array = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3091 if (sig->ret->type != MONO_TYPE_VOID) {
3092 loc_return = mono_mb_add_local (mb, sig->ret);
3093 ret_class = mono_class_from_mono_type (sig->ret);
3098 main_clause = mono_image_alloc0 (method->klass->image, sizeof (MonoExceptionClause));
3099 main_clause->try_offset = mono_mb_get_label (mb);
3101 /* Clean the call context */
3103 mono_mb_emit_byte (mb, CEE_LDNULL);
3104 mono_mb_emit_managed_call (mb, method_set_call_context, NULL);
3105 mono_mb_emit_byte (mb, CEE_POP);
3107 /* Deserialize call data */
3109 mono_mb_emit_ldarg (mb, 1);
3110 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3111 mono_mb_emit_byte (mb, CEE_DUP);
3112 pos = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
3114 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
3115 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
3117 if (complex_count > 0)
3118 mono_mb_emit_stloc (mb, loc_array);
3120 mono_mb_emit_byte (mb, CEE_POP);
3122 mono_mb_patch_short_branch (mb, pos);
3124 /* Get the target object */
3126 mono_mb_emit_ldarg (mb, 0);
3127 mono_mb_emit_managed_call (mb, method_rs_appdomain_target, NULL);
3129 /* Load the arguments */
3131 copy_locals_base = mb->locals;
3132 param_index = 3; // Index of the first non-serialized parameter of this wrapper
3134 for (i = 0; i < sig->param_count; i++) {
3135 MonoType *pt = sig->params [i];
3136 MonoClass *pclass = mono_class_from_mono_type (pt);
3137 switch (marshal_types [i]) {
3138 case MONO_MARSHAL_SERIALIZE: {
3139 /* take the value from the serialized array */
3140 mono_mb_emit_ldloc (mb, loc_array);
3141 mono_mb_emit_icon (mb, j++);
3143 if (pclass->valuetype) {
3144 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3145 mono_mb_emit_op (mb, CEE_UNBOX, pclass);
3147 mono_mb_emit_op (mb, CEE_LDELEMA, pclass);
3150 if (pclass->valuetype) {
3151 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3152 mono_mb_emit_op (mb, CEE_UNBOX, pclass);
3153 mono_mb_emit_op (mb, CEE_LDOBJ, pclass);
3155 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3156 if (pclass != mono_defaults.object_class) {
3157 mono_mb_emit_op (mb, CEE_CASTCLASS, pclass);
3163 case MONO_MARSHAL_COPY_OUT: {
3164 /* Keep a local copy of the value since we need to copy it back after the call */
3165 int copy_local = mono_mb_add_local (mb, &(pclass->byval_arg));
3166 mono_mb_emit_ldarg (mb, param_index++);
3167 mono_marshal_emit_xdomain_copy_value (mb, pclass);
3168 mono_mb_emit_byte (mb, CEE_DUP);
3169 mono_mb_emit_stloc (mb, copy_local);
3172 case MONO_MARSHAL_COPY: {
3173 mono_mb_emit_ldarg (mb, param_index);
3175 mono_mb_emit_byte (mb, CEE_DUP);
3176 mono_mb_emit_byte (mb, CEE_DUP);
3177 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3178 mono_marshal_emit_xdomain_copy_value (mb, pclass);
3179 mono_mb_emit_byte (mb, CEE_STIND_REF);
3181 mono_marshal_emit_xdomain_copy_value (mb, pclass);
3186 case MONO_MARSHAL_NONE:
3187 mono_mb_emit_ldarg (mb, param_index++);
3192 /* Make the call to the real object */
3194 emit_thread_force_interrupt_checkpoint (mb);
3196 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
3198 if (sig->ret->type != MONO_TYPE_VOID)
3199 mono_mb_emit_stloc (mb, loc_return);
3201 /* copy back MONO_MARSHAL_COPY_OUT parameters */
3205 for (i = 0; i < sig->param_count; i++) {
3206 if (marshal_types [i] == MONO_MARSHAL_SERIALIZE) continue;
3207 if (marshal_types [i] == MONO_MARSHAL_COPY_OUT) {
3208 mono_mb_emit_ldloc (mb, copy_locals_base + (j++));
3209 mono_mb_emit_ldarg (mb, param_index);
3210 mono_marshal_emit_xdomain_copy_out_value (mb, mono_class_from_mono_type (sig->params [i]));
3215 /* Serialize the return values */
3217 if (complex_out_count > 0) {
3218 /* Reset parameters in the array that don't need to be serialized back */
3220 for (i = 0; i < sig->param_count; i++) {
3221 if (marshal_types[i] != MONO_MARSHAL_SERIALIZE) continue;
3222 if (!sig->params [i]->byref) {
3223 mono_mb_emit_ldloc (mb, loc_array);
3224 mono_mb_emit_icon (mb, j);
3225 mono_mb_emit_byte (mb, CEE_LDNULL);
3226 mono_mb_emit_byte (mb, CEE_STELEM_REF);
3231 /* Add the return value to the array */
3233 if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
3234 mono_mb_emit_ldloc (mb, loc_array);
3235 mono_mb_emit_icon (mb, complex_count); /* The array has an additional slot to hold the ret value */
3236 mono_mb_emit_ldloc (mb, loc_return);
3238 g_assert (ret_class); /*FIXME properly fail here*/
3239 if (ret_class->valuetype) {
3240 mono_mb_emit_op (mb, CEE_BOX, ret_class);
3242 mono_mb_emit_byte (mb, CEE_STELEM_REF);
3247 mono_mb_emit_ldarg (mb, 1);
3248 mono_mb_emit_ldloc (mb, loc_array);
3249 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3250 mono_mb_emit_byte (mb, CEE_STIND_REF);
3251 } else if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
3252 mono_mb_emit_ldarg (mb, 1);
3253 mono_mb_emit_ldloc (mb, loc_return);
3254 if (ret_class->valuetype) {
3255 mono_mb_emit_op (mb, CEE_BOX, ret_class);
3257 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3258 mono_mb_emit_byte (mb, CEE_STIND_REF);
3260 mono_mb_emit_ldarg (mb, 1);
3261 mono_mb_emit_byte (mb, CEE_LDNULL);
3262 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3263 mono_mb_emit_byte (mb, CEE_STIND_REF);
3266 mono_mb_emit_ldarg (mb, 2);
3267 mono_mb_emit_byte (mb, CEE_LDNULL);
3268 mono_mb_emit_byte (mb, CEE_STIND_REF);
3269 pos_leave = mono_mb_emit_branch (mb, CEE_LEAVE);
3271 /* Main exception catch */
3272 main_clause->flags = MONO_EXCEPTION_CLAUSE_NONE;
3273 main_clause->try_len = mono_mb_get_pos (mb) - main_clause->try_offset;
3274 main_clause->data.catch_class = mono_defaults.object_class;
3277 main_clause->handler_offset = mono_mb_get_label (mb);
3278 mono_mb_emit_managed_call (mb, method_rs_serialize_exc, NULL);
3279 mono_mb_emit_stloc (mb, loc_serialized_exc);
3280 mono_mb_emit_ldarg (mb, 2);
3281 mono_mb_emit_ldloc (mb, loc_serialized_exc);
3282 mono_mb_emit_byte (mb, CEE_STIND_REF);
3283 mono_mb_emit_branch (mb, CEE_LEAVE);
3284 main_clause->handler_len = mono_mb_get_pos (mb) - main_clause->handler_offset;
3287 mono_mb_patch_branch (mb, pos_leave);
3290 mono_mb_emit_ldloc (mb, loc_return);
3292 mono_mb_emit_byte (mb, CEE_RET);
3294 mono_mb_set_clauses (mb, 1, main_clause);
3296 res = mono_remoting_mb_create_and_cache (method, mb, csig, csig->param_count + 16);
3302 /* mono_marshal_get_xappdomain_invoke ()
3303 * Generates a fast remoting wrapper for cross app domain calls.
3306 mono_marshal_get_xappdomain_invoke (MonoMethod *method)
3308 MonoMethodSignature *sig;
3309 MonoMethodBuilder *mb;
3311 int i, j, complex_count, complex_out_count, copy_locals_base;
3313 MonoClass *ret_class = NULL;
3314 MonoMethod *xdomain_method;
3315 int ret_marshal_type = MONO_MARSHAL_NONE;
3316 int loc_array=0, loc_serialized_data=-1, loc_real_proxy;
3317 int loc_old_domainid, loc_domainid, loc_return=0, loc_serialized_exc=0, loc_context;
3318 int pos, pos_dispatch, pos_noex;
3319 gboolean copy_return = FALSE;
3323 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE || method->wrapper_type == MONO_WRAPPER_XDOMAIN_INVOKE)
3326 /* we cant remote methods without this pointer */
3327 if (!mono_method_signature (method)->hasthis)
3330 if (!mono_marshal_supports_fast_xdomain (method))
3331 return mono_marshal_get_remoting_invoke (method);
3333 mono_remoting_marshal_init ();
3335 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_XDOMAIN_INVOKE)))
3338 sig = mono_signature_no_pinvoke (method);
3340 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_XDOMAIN_INVOKE);
3341 mb->method->save_lmf = 1;
3343 /* Count the number of parameters that need to be serialized */
3345 marshal_types = alloca (sizeof (int) * sig->param_count);
3346 complex_count = complex_out_count = 0;
3347 for (i = 0; i < sig->param_count; i++) {
3348 MonoType *ptype = sig->params[i];
3349 int mt = mono_get_xdomain_marshal_type (ptype);
3351 /* If the [Out] attribute is applied to a parameter that can be internally copied,
3352 * the copy will be made by reusing the original object instance
3354 if ((ptype->attrs & PARAM_ATTRIBUTE_OUT) != 0 && mt == MONO_MARSHAL_COPY && !ptype->byref)
3355 mt = MONO_MARSHAL_COPY_OUT;
3356 else if (mt == MONO_MARSHAL_SERIALIZE) {
3358 if (ptype->byref) complex_out_count++;
3360 marshal_types [i] = mt;
3363 if (sig->ret->type != MONO_TYPE_VOID) {
3364 ret_marshal_type = mono_get_xdomain_marshal_type (sig->ret);
3365 ret_class = mono_class_from_mono_type (sig->ret);
3366 copy_return = ret_marshal_type != MONO_MARSHAL_SERIALIZE;
3371 if (complex_count > 0)
3372 loc_array = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3373 loc_serialized_data = mono_mb_add_local (mb, &byte_array_class->byval_arg);
3374 loc_real_proxy = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3376 loc_return = mono_mb_add_local (mb, sig->ret);
3377 loc_old_domainid = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
3378 loc_domainid = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
3379 loc_serialized_exc = mono_mb_add_local (mb, &byte_array_class->byval_arg);
3380 loc_context = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3382 /* Save thread domain data */
3384 mono_mb_emit_icall (mb, mono_context_get);
3385 mono_mb_emit_byte (mb, CEE_DUP);
3386 mono_mb_emit_stloc (mb, loc_context);
3388 /* If the thread is not running in the default context, it needs to go
3389 * through the whole remoting sink, since the context is going to change
3391 mono_mb_emit_managed_call (mb, method_needs_context_sink, NULL);
3392 pos = mono_mb_emit_short_branch (mb, CEE_BRTRUE_S);
3394 /* Another case in which the fast path can't be used: when the target domain
3395 * has a different image for the same assembly.
3398 /* Get the target domain id */
3400 mono_mb_emit_ldarg (mb, 0);
3401 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
3402 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3403 mono_mb_emit_byte (mb, CEE_DUP);
3404 mono_mb_emit_stloc (mb, loc_real_proxy);
3406 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoRealProxy, target_domain_id));
3407 mono_mb_emit_byte (mb, CEE_LDIND_I4);
3408 mono_mb_emit_stloc (mb, loc_domainid);
3410 /* Check if the target domain has the same image for the required assembly */
3412 mono_mb_emit_ldloc (mb, loc_domainid);
3413 mono_mb_emit_ptr (mb, method->klass->image);
3414 mono_mb_emit_icall (mb, mono_marshal_check_domain_image);
3415 pos_dispatch = mono_mb_emit_short_branch (mb, CEE_BRTRUE_S);
3417 /* Use the whole remoting sink to dispatch this message */
3419 mono_mb_patch_short_branch (mb, pos);
3421 mono_mb_emit_ldarg (mb, 0);
3422 for (i = 0; i < sig->param_count; i++)
3423 mono_mb_emit_ldarg (mb, i + 1);
3425 mono_mb_emit_managed_call (mb, mono_marshal_get_remoting_invoke (method), NULL);
3426 mono_mb_emit_byte (mb, CEE_RET);
3427 mono_mb_patch_short_branch (mb, pos_dispatch);
3429 /* Create the array that will hold the parameters to be serialized */
3431 if (complex_count > 0) {
3432 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 */
3433 mono_mb_emit_op (mb, CEE_NEWARR, mono_defaults.object_class);
3436 for (i = 0; i < sig->param_count; i++) {
3438 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE) continue;
3439 pclass = mono_class_from_mono_type (sig->params[i]);
3440 mono_mb_emit_byte (mb, CEE_DUP);
3441 mono_mb_emit_icon (mb, j);
3442 mono_mb_emit_ldarg (mb, i + 1); /* 0=this */
3443 if (sig->params[i]->byref) {
3444 if (pclass->valuetype)
3445 mono_mb_emit_op (mb, CEE_LDOBJ, pclass);
3447 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3449 if (pclass->valuetype)
3450 mono_mb_emit_op (mb, CEE_BOX, pclass);
3451 mono_mb_emit_byte (mb, CEE_STELEM_REF);
3454 mono_mb_emit_stloc (mb, loc_array);
3456 /* Serialize parameters */
3458 mono_mb_emit_ldloc (mb, loc_array);
3459 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3460 mono_mb_emit_stloc (mb, loc_serialized_data);
3462 mono_mb_emit_byte (mb, CEE_LDNULL);
3463 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3464 mono_mb_emit_stloc (mb, loc_serialized_data);
3469 mono_mb_emit_ldloc (mb, loc_domainid);
3470 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
3471 mono_marshal_emit_switch_domain (mb);
3472 mono_mb_emit_stloc (mb, loc_old_domainid);
3474 /* Load the arguments */
3476 mono_mb_emit_ldloc (mb, loc_real_proxy);
3477 mono_mb_emit_ldloc_addr (mb, loc_serialized_data);
3478 mono_mb_emit_ldloc_addr (mb, loc_serialized_exc);
3480 copy_locals_base = mb->locals;
3481 for (i = 0; i < sig->param_count; i++) {
3482 switch (marshal_types [i]) {
3483 case MONO_MARSHAL_SERIALIZE:
3485 case MONO_MARSHAL_COPY: {
3486 mono_mb_emit_ldarg (mb, i+1);
3487 if (sig->params [i]->byref) {
3488 /* make a local copy of the byref parameter. The real parameter
3489 * will be updated after the xdomain call
3491 MonoClass *pclass = mono_class_from_mono_type (sig->params [i]);
3492 int copy_local = mono_mb_add_local (mb, &(pclass->byval_arg));
3493 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3494 mono_mb_emit_stloc (mb, copy_local);
3495 mono_mb_emit_ldloc_addr (mb, copy_local);
3499 case MONO_MARSHAL_COPY_OUT:
3500 case MONO_MARSHAL_NONE:
3501 mono_mb_emit_ldarg (mb, i+1);
3506 /* Make the call to the invoke wrapper in the target domain */
3508 xdomain_method = mono_marshal_get_xappdomain_dispatch (method, marshal_types, complex_count, complex_out_count, ret_marshal_type);
3509 mono_marshal_emit_load_domain_method (mb, xdomain_method);
3510 mono_mb_emit_calli (mb, mono_method_signature (xdomain_method));
3513 mono_mb_emit_stloc (mb, loc_return);
3517 mono_mb_emit_ldloc (mb, loc_old_domainid);
3518 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
3519 mono_marshal_emit_switch_domain (mb);
3520 mono_mb_emit_byte (mb, CEE_POP);
3522 /* Restore thread domain data */
3524 mono_mb_emit_ldloc (mb, loc_context);
3525 mono_mb_emit_icall (mb, mono_context_set);
3527 /* if (loc_serialized_exc != null) ... */
3529 mono_mb_emit_ldloc (mb, loc_serialized_exc);
3530 pos_noex = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
3532 mono_mb_emit_ldloc (mb, loc_serialized_exc);
3533 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
3534 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
3535 mono_mb_emit_op (mb, CEE_CASTCLASS, mono_defaults.exception_class);
3536 mono_mb_emit_managed_call (mb, method_exc_fixexc, NULL);
3537 mono_mb_emit_byte (mb, CEE_THROW);
3538 mono_mb_patch_short_branch (mb, pos_noex);
3540 /* copy back non-serialized output parameters */
3543 for (i = 0; i < sig->param_count; i++) {
3544 if (!sig->params [i]->byref || marshal_types [i] != MONO_MARSHAL_COPY) continue;
3545 mono_mb_emit_ldarg (mb, i + 1);
3546 mono_mb_emit_ldloc (mb, copy_locals_base + (j++));
3547 mono_marshal_emit_xdomain_copy_value (mb, mono_class_from_mono_type (sig->params [i]));
3548 mono_mb_emit_byte (mb, CEE_STIND_REF);
3551 /* Deserialize out parameters */
3553 if (complex_out_count > 0) {
3554 mono_mb_emit_ldloc (mb, loc_serialized_data);
3555 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
3556 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
3557 mono_mb_emit_stloc (mb, loc_array);
3559 /* Copy back output parameters and return type */
3562 for (i = 0; i < sig->param_count; i++) {
3563 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE) continue;
3564 if (sig->params[i]->byref) {
3565 MonoClass *pclass = mono_class_from_mono_type (sig->params [i]);
3566 mono_mb_emit_ldarg (mb, i + 1);
3567 mono_mb_emit_ldloc (mb, loc_array);
3568 mono_mb_emit_icon (mb, j);
3569 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3570 if (pclass->valuetype) {
3571 mono_mb_emit_op (mb, CEE_UNBOX, pclass);
3572 mono_mb_emit_op (mb, CEE_LDOBJ, pclass);
3573 mono_mb_emit_op (mb, CEE_STOBJ, pclass);
3575 if (pclass != mono_defaults.object_class)
3576 mono_mb_emit_op (mb, CEE_CASTCLASS, pclass);
3577 mono_mb_emit_byte (mb, CEE_STIND_REF);
3583 if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
3584 mono_mb_emit_ldloc (mb, loc_array);
3585 mono_mb_emit_icon (mb, complex_count);
3586 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3587 if (ret_class->valuetype) {
3588 mono_mb_emit_op (mb, CEE_UNBOX, ret_class);
3589 mono_mb_emit_op (mb, CEE_LDOBJ, ret_class);
3592 } else if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
3593 mono_mb_emit_ldloc (mb, loc_serialized_data);
3594 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
3595 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
3596 if (ret_class->valuetype) {
3597 mono_mb_emit_op (mb, CEE_UNBOX, ret_class);
3598 mono_mb_emit_op (mb, CEE_LDOBJ, ret_class);
3599 } else if (ret_class != mono_defaults.object_class) {
3600 mono_mb_emit_op (mb, CEE_CASTCLASS, ret_class);
3603 mono_mb_emit_ldloc (mb, loc_serialized_data);
3604 mono_mb_emit_byte (mb, CEE_DUP);
3605 pos = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
3606 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
3608 mono_mb_patch_short_branch (mb, pos);
3609 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
3610 mono_mb_emit_byte (mb, CEE_POP);
3614 mono_mb_emit_ldloc (mb, loc_return);
3615 if (ret_marshal_type == MONO_MARSHAL_COPY)
3616 mono_marshal_emit_xdomain_copy_value (mb, ret_class);
3619 mono_mb_emit_byte (mb, CEE_RET);
3621 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16);
3628 mono_marshal_get_remoting_invoke_for_target (MonoMethod *method, MonoRemotingTarget target_type)
3630 if (target_type == MONO_REMOTING_TARGET_APPDOMAIN) {
3631 return mono_marshal_get_xappdomain_invoke (method);
3632 } else if (target_type == MONO_REMOTING_TARGET_COMINTEROP) {
3634 return mono_cominterop_get_invoke (method);
3636 g_assert_not_reached ();
3639 return mono_marshal_get_remoting_invoke (method);
3645 G_GNUC_UNUSED static gpointer
3646 mono_marshal_load_remoting_wrapper (MonoRealProxy *rp, MonoMethod *method)
3648 if (rp->target_domain_id != -1)
3649 return mono_compile_method (mono_marshal_get_xappdomain_invoke (method));
3651 return mono_compile_method (mono_marshal_get_remoting_invoke (method));
3655 mono_marshal_get_remoting_invoke_with_check (MonoMethod *method)
3657 MonoMethodSignature *sig;
3658 MonoMethodBuilder *mb;
3659 MonoMethod *res, *native;
3660 int i, pos, pos_rem;
3664 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK)
3667 /* we cant remote methods without this pointer */
3668 g_assert (mono_method_signature (method)->hasthis);
3670 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK)))
3673 sig = mono_signature_no_pinvoke (method);
3675 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK);
3677 for (i = 0; i <= sig->param_count; i++)
3678 mono_mb_emit_ldarg (mb, i);
3680 mono_mb_emit_ldarg (mb, 0);
3681 pos = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
3683 if (mono_marshal_supports_fast_xdomain (method)) {
3684 mono_mb_emit_ldarg (mb, 0);
3685 pos_rem = mono_mb_emit_xdomain_check (mb, CEE_BEQ);
3687 /* wrapper for cross app domain calls */
3688 native = mono_marshal_get_xappdomain_invoke (method);
3689 mono_mb_emit_managed_call (mb, native, mono_method_signature (native));
3690 mono_mb_emit_byte (mb, CEE_RET);
3692 mono_mb_patch_branch (mb, pos_rem);
3694 /* wrapper for normal remote calls */
3695 native = mono_marshal_get_remoting_invoke (method);
3696 mono_mb_emit_managed_call (mb, native, mono_method_signature (native));
3697 mono_mb_emit_byte (mb, CEE_RET);
3700 mono_mb_patch_branch (mb, pos);
3701 mono_mb_emit_managed_call (mb, method, mono_method_signature (method));
3702 mono_mb_emit_byte (mb, CEE_RET);
3704 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16);
3712 MonoMethodSignature *sig;
3714 } SignatureMethodPair;
3717 signature_method_pair_hash (gconstpointer data)
3719 SignatureMethodPair *pair = (SignatureMethodPair*)data;
3721 return mono_signature_hash (pair->sig) ^ mono_aligned_addr_hash (pair->method);
3725 signature_method_pair_equal (SignatureMethodPair *pair1, SignatureMethodPair *pair2)
3727 return mono_metadata_signature_equal (pair1->sig, pair2->sig) && (pair1->method == pair2->method);
3731 free_signature_method_pair (SignatureMethodPair *pair)
3737 * the returned method invokes all methods in a multicast delegate.
3740 mono_marshal_get_delegate_invoke (MonoMethod *method, MonoDelegate *del)
3742 MonoMethodSignature *sig, *static_sig;
3744 MonoMethodBuilder *mb;
3745 MonoMethod *res, *newm;
3747 SignatureMethodPair key;
3748 SignatureMethodPair *new_key;
3749 int local_prev, local_target;
3752 MonoMethod *target_method = NULL;
3753 MonoClass *target_class = NULL;
3754 gboolean callvirt = FALSE;
3757 * If the delegate target is null, and the target method is not static, a virtual
3758 * call is made to that method with the first delegate argument as this. This is
3759 * a non-documented .NET feature.
3761 if (del && !del->target && del->method && mono_method_signature (del->method)->hasthis) {
3763 target_method = del->method;
3764 if (target_method->is_inflated) {
3765 MonoType *target_type;
3767 g_assert (method->signature->hasthis);
3768 target_type = mono_class_inflate_generic_type (method->signature->params [0],
3769 mono_method_get_context (method));
3770 target_class = mono_class_from_mono_type (target_type);
3772 target_class = del->method->klass;
3776 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
3777 !strcmp (method->name, "Invoke"));
3779 sig = mono_signature_no_pinvoke (method);
3782 /* We need to cache the signature+method pair */
3783 mono_marshal_lock ();
3784 if (!method->klass->image->delegate_abstract_invoke_cache)
3785 method->klass->image->delegate_abstract_invoke_cache = g_hash_table_new_full (signature_method_pair_hash, (GEqualFunc)signature_method_pair_equal, (GDestroyNotify)free_signature_method_pair, NULL);
3786 cache = method->klass->image->delegate_abstract_invoke_cache;
3788 key.method = target_method;
3789 res = g_hash_table_lookup (cache, &key);
3790 mono_marshal_unlock ();
3794 cache = get_cache (&method->klass->image->delegate_invoke_cache,
3795 (GHashFunc)mono_signature_hash,
3796 (GCompareFunc)mono_metadata_signature_equal);
3797 if ((res = mono_marshal_find_in_cache (cache, sig)))
3801 static_sig = signature_dup (method->klass->image, sig);
3802 static_sig->hasthis = 0;
3804 name = mono_signature_to_name (sig, "invoke");
3805 mb = mono_mb_new (get_wrapper_target_class (method->klass->image), name, MONO_WRAPPER_DELEGATE_INVOKE);
3808 /* allocate local 0 (object) */
3809 local_target = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3810 local_prev = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3812 g_assert (sig->hasthis);
3816 * prev.Invoke( args .. );
3817 * return this.<target>( args .. );
3820 /* this wrapper can be used in unmanaged-managed transitions */
3821 emit_thread_interrupt_checkpoint (mb);
3823 /* get this->prev */
3824 mono_mb_emit_ldarg (mb, 0);
3825 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoMulticastDelegate, prev));
3826 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3827 mono_mb_emit_stloc (mb, local_prev);
3828 mono_mb_emit_ldloc (mb, local_prev);
3830 /* if prev != null */
3831 pos0 = mono_mb_emit_branch (mb, CEE_BRFALSE);
3835 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3836 mono_mb_emit_byte (mb, CEE_MONO_NOT_TAKEN);
3838 mono_mb_emit_ldloc (mb, local_prev);
3839 for (i = 0; i < sig->param_count; i++)
3840 mono_mb_emit_ldarg (mb, i + 1);
3841 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
3842 if (sig->ret->type != MONO_TYPE_VOID)
3843 mono_mb_emit_byte (mb, CEE_POP);
3845 /* continued or prev == null */
3846 mono_mb_patch_branch (mb, pos0);
3848 /* get this->target */
3849 mono_mb_emit_ldarg (mb, 0);
3850 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, target));
3851 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3852 mono_mb_emit_stloc (mb, local_target);
3854 /* if target != null */
3855 mono_mb_emit_ldloc (mb, local_target);
3856 pos0 = mono_mb_emit_branch (mb, CEE_BRFALSE);
3858 /* then call this->method_ptr nonstatic */
3861 mono_mb_emit_exception_full (mb, "System", "NotImplementedException", "");
3863 mono_mb_emit_ldloc (mb, local_target);
3864 for (i = 0; i < sig->param_count; ++i)
3865 mono_mb_emit_ldarg (mb, i + 1);
3866 mono_mb_emit_ldarg (mb, 0);
3867 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, method_ptr));
3868 mono_mb_emit_byte (mb, CEE_LDIND_I );
3869 mono_mb_emit_op (mb, CEE_CALLI, sig);
3871 mono_mb_emit_byte (mb, CEE_RET);
3874 /* else [target == null] call this->method_ptr static */
3875 mono_mb_patch_branch (mb, pos0);
3878 mono_mb_emit_ldarg (mb, 1);
3879 mono_mb_emit_op (mb, CEE_CASTCLASS, target_class);
3880 for (i = 1; i < sig->param_count; ++i)
3881 mono_mb_emit_ldarg (mb, i + 1);
3882 mono_mb_emit_op (mb, CEE_CALLVIRT, target_method);
3884 for (i = 0; i < sig->param_count; ++i)
3885 mono_mb_emit_ldarg (mb, i + 1);
3886 mono_mb_emit_ldarg (mb, 0);
3887 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, method_ptr));
3888 mono_mb_emit_byte (mb, CEE_LDIND_I );
3889 mono_mb_emit_op (mb, CEE_CALLI, static_sig);
3892 mono_mb_emit_byte (mb, CEE_RET);
3895 // From mono_mb_create_and_cache
3896 mb->skip_visibility = 1;
3897 newm = mono_mb_create_method (mb, sig, sig->param_count + 16);
3898 /*We perform double checked locking, so must fence before publishing*/
3899 mono_memory_barrier ();
3900 mono_marshal_lock ();
3901 res = g_hash_table_lookup (cache, &key);
3904 new_key = g_new0 (SignatureMethodPair, 1);
3906 new_key->method = target_method;
3907 g_hash_table_insert (cache, new_key, res);
3908 mono_marshal_method_set_wrapper_data (res, new_key);
3909 mono_marshal_unlock ();
3911 mono_marshal_unlock ();
3912 mono_free_method (newm);
3915 mb->skip_visibility = 1;
3916 res = mono_mb_create_and_cache (cache, sig, mb, sig, sig->param_count + 16);
3924 * signature_dup_add_this:
3926 * Make a copy of @sig, adding an explicit this argument.
3928 static MonoMethodSignature*
3929 signature_dup_add_this (MonoMethodSignature *sig, MonoClass *klass)
3931 MonoMethodSignature *res;
3934 res = mono_metadata_signature_alloc (klass->image, sig->param_count + 1);
3935 memcpy (res, sig, MONO_SIZEOF_METHOD_SIGNATURE);
3936 res->param_count = sig->param_count + 1;
3937 res->hasthis = FALSE;
3938 for (i = sig->param_count - 1; i >= 0; i --)
3939 res->params [i + 1] = sig->params [i];
3940 res->params [0] = &mono_ptr_class_get (&klass->byval_arg)->byval_arg;
3946 MonoMethodSignature *ctor_sig;
3947 MonoMethodSignature *sig;
3950 /* protected by the marshal lock, contains CtorSigPair pointers */
3951 static GSList *strsig_list = NULL;
3953 static MonoMethodSignature *
3954 lookup_string_ctor_signature (MonoMethodSignature *sig)
3956 MonoMethodSignature *callsig;
3960 mono_marshal_lock ();
3962 for (item = strsig_list; item; item = item->next) {
3964 /* mono_metadata_signature_equal () is safe to call with the marshal lock
3965 * because it is lock-free.
3967 if (mono_metadata_signature_equal (sig, cs->ctor_sig)) {
3972 mono_marshal_unlock ();
3976 static MonoMethodSignature *
3977 add_string_ctor_signature (MonoMethod *method)
3979 MonoMethodSignature *callsig;
3982 callsig = signature_dup (method->klass->image, mono_method_signature (method));
3983 callsig->ret = &mono_defaults.string_class->byval_arg;
3984 cs = g_new (CtorSigPair, 1);
3986 cs->ctor_sig = mono_method_signature (method);
3988 mono_marshal_lock ();
3989 strsig_list = g_slist_prepend (strsig_list, cs);
3990 mono_marshal_unlock ();
3995 * mono_marshal_get_string_ctor_signature:
3997 * Return the modified signature used by string ctors (they return the newly created
4000 MonoMethodSignature*
4001 mono_marshal_get_string_ctor_signature (MonoMethod *method)
4003 MonoMethodSignature *sig = lookup_string_ctor_signature (mono_method_signature (method));
4005 sig = add_string_ctor_signature (method);
4011 get_runtime_invoke_type (MonoType *t, gboolean ret)
4014 if (t->type == MONO_TYPE_GENERICINST)
4017 return &mono_defaults.int_class->byval_arg;
4020 if (MONO_TYPE_IS_REFERENCE (t))
4021 return &mono_defaults.object_class->byval_arg;
4024 /* The result needs to be boxed */
4030 return &mono_defaults.sbyte_class->byval_arg;
4032 return &mono_defaults.int16_class->byval_arg;
4034 return &mono_defaults.int32_class->byval_arg;
4036 return &mono_defaults.int64_class->byval_arg;
4037 case MONO_TYPE_BOOLEAN:
4038 return &mono_defaults.sbyte_class->byval_arg;
4039 case MONO_TYPE_CHAR:
4040 return &mono_defaults.int16_class->byval_arg;
4043 return &mono_defaults.int_class->byval_arg;
4044 case MONO_TYPE_VALUETYPE:
4045 if (t->data.klass->enumtype) {
4046 t = mono_class_enum_basetype (t->data.klass);
4056 * mono_marshal_get_runtime_invoke_sig:
4058 * Return a common signature used for sharing runtime invoke wrappers.
4060 static MonoMethodSignature*
4061 mono_marshal_get_runtime_invoke_sig (MonoMethodSignature *sig)
4063 MonoMethodSignature *res = mono_metadata_signature_dup (sig);
4066 res->ret = get_runtime_invoke_type (sig->ret, TRUE);
4067 for (i = 0; i < res->param_count; ++i)
4068 res->params [i] = get_runtime_invoke_type (sig->params [i], FALSE);
4074 runtime_invoke_signature_equal (MonoMethodSignature *sig1, MonoMethodSignature *sig2)
4076 /* Can't share wrappers which return a vtype since it needs to be boxed */
4077 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))
4080 return mono_metadata_signature_equal (sig1, sig2);
4084 * generates IL code for the runtime invoke function
4085 * MonoObject *runtime_invoke (MonoObject *this, void **params, MonoObject **exc, void* method)
4087 * we also catch exceptions if exc != null
4088 * If VIRTUAL is TRUE, then METHOD is invoked virtually on THIS. This is useful since
4089 * it means that the compiled code for METHOD does not have to be looked up
4090 * before calling the runtime invoke wrapper. In this case, the wrapper ignores
4091 * its METHOD argument.
4094 mono_marshal_get_runtime_invoke (MonoMethod *method, gboolean virtual)
4096 MonoMethodSignature *sig, *csig, *callsig;
4097 MonoExceptionClause *clause;
4098 MonoMethodBuilder *mb;
4099 GHashTable *cache = NULL;
4100 MonoClass *target_klass;
4101 MonoMethod *res = NULL;
4102 static MonoString *string_dummy = NULL;
4103 static MonoMethodSignature *cctor_signature = NULL;
4104 static MonoMethodSignature *finalize_signature = NULL;
4107 gboolean need_direct_wrapper = FALSE;
4108 int *tmp_nullable_locals;
4112 if (!cctor_signature) {
4113 cctor_signature = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
4114 cctor_signature->ret = &mono_defaults.void_class->byval_arg;
4116 if (!finalize_signature) {
4117 finalize_signature = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
4118 finalize_signature->ret = &mono_defaults.void_class->byval_arg;
4119 finalize_signature->hasthis = 1;
4123 need_direct_wrapper = TRUE;
4126 * Use a separate cache indexed by methods to speed things up and to avoid the
4127 * boundless mempool growth caused by the signature_dup stuff below.
4130 cache = get_cache (&method->klass->image->runtime_invoke_vcall_cache, mono_aligned_addr_hash, NULL);
4132 cache = get_cache (&method->klass->image->runtime_invoke_direct_cache, mono_aligned_addr_hash, NULL);
4133 res = mono_marshal_find_in_cache (cache, method);
4137 if (method->klass->rank && (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
4138 (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)) {
4140 * Array Get/Set/Address methods. The JIT implements them using inline code
4141 * so we need to create an invoke wrapper which calls the method directly.
4143 need_direct_wrapper = TRUE;
4146 if (method->string_ctor) {
4147 callsig = lookup_string_ctor_signature (mono_method_signature (method));
4149 callsig = add_string_ctor_signature (method);
4150 /* Can't share this as we push a string as this */
4151 need_direct_wrapper = TRUE;
4153 if (method->klass->valuetype && mono_method_signature (method)->hasthis) {
4155 * Valuetype methods receive a managed pointer as the this argument.
4156 * Create a new signature to reflect this.
4158 callsig = signature_dup_add_this (mono_method_signature (method), method->klass);
4159 /* Can't share this as it would be shared with static methods taking an IntPtr argument */
4160 need_direct_wrapper = TRUE;
4162 if (method->dynamic)
4163 callsig = signature_dup (method->klass->image, mono_method_signature (method));
4165 callsig = mono_method_signature (method);
4170 /* Vtypes/nullables/Byrefs cause too many problems */
4171 for (i = 0; i < callsig->param_count; ++i) {
4172 if (MONO_TYPE_ISSTRUCT (callsig->params [i]) || callsig->params [i]->byref)
4173 need_direct_wrapper = TRUE;
4178 * We try to share runtime invoke wrappers between different methods but have to
4179 * be careful about methods whose klass has a type cctor, since putting the wrapper
4180 * into that klass would mean that calling a method of klass A might invoke the
4181 * type initializer of class B, or throw an exception if the type initializer
4182 * was called before and failed. See #349621 for an example.
4183 * We avoid that for mscorlib methods by putting every wrapper into the object class.
4185 if (method->klass->image == mono_defaults.corlib)
4186 target_klass = mono_defaults.object_class;
4188 /* Try to share wrappers for non-corlib methods with simple signatures */
4189 if (mono_metadata_signature_equal (callsig, cctor_signature)) {
4190 callsig = cctor_signature;
4191 target_klass = mono_defaults.object_class;
4192 } else if (mono_metadata_signature_equal (callsig, finalize_signature)) {
4193 callsig = finalize_signature;
4194 target_klass = mono_defaults.object_class;
4196 // FIXME: This breaks too many things
4198 if (mono_class_get_cctor (method->klass))
4199 need_direct_wrapper = TRUE;
4202 target_klass = get_wrapper_target_class (method->klass->image);
4206 if (need_direct_wrapper) {
4207 /* Already searched at the start */
4209 MonoMethodSignature *tmp_sig;
4211 callsig = mono_marshal_get_runtime_invoke_sig (callsig);
4213 cache = get_cache (&target_klass->image->runtime_invoke_cache,
4214 (GHashFunc)mono_signature_hash,
4215 (GCompareFunc)runtime_invoke_signature_equal);
4217 /* from mono_marshal_find_in_cache */
4218 mono_marshal_lock ();
4219 res = g_hash_table_lookup (cache, callsig);
4220 mono_marshal_unlock ();
4227 /* Make a copy of the signature from the image mempool */
4229 callsig = mono_metadata_signature_dup_full (target_klass->image, callsig);
4233 /* to make it work with our special string constructors */
4234 if (!string_dummy) {
4235 MONO_GC_REGISTER_ROOT (string_dummy);
4236 string_dummy = mono_string_new_wrapper ("dummy");
4239 sig = mono_method_signature (method);
4241 csig = mono_metadata_signature_alloc (target_klass->image, 4);
4243 csig->ret = &mono_defaults.object_class->byval_arg;
4244 if (method->klass->valuetype && mono_method_signature (method)->hasthis)
4245 csig->params [0] = callsig->params [0];
4247 csig->params [0] = &mono_defaults.object_class->byval_arg;
4248 csig->params [1] = &mono_defaults.int_class->byval_arg;
4249 csig->params [2] = &mono_defaults.int_class->byval_arg;
4250 csig->params [3] = &mono_defaults.int_class->byval_arg;
4252 name = mono_signature_to_name (callsig, virtual ? "runtime_invoke_virtual" : "runtime_invoke");
4253 mb = mono_mb_new (target_klass, name, MONO_WRAPPER_RUNTIME_INVOKE);
4256 /* allocate local 0 (object) tmp */
4257 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4258 /* allocate local 1 (object) exc */
4259 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4261 /* cond set *exc to null */
4262 mono_mb_emit_byte (mb, CEE_LDARG_2);
4263 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
4264 mono_mb_emit_byte (mb, 3);
4265 mono_mb_emit_byte (mb, CEE_LDARG_2);
4266 mono_mb_emit_byte (mb, CEE_LDNULL);
4267 mono_mb_emit_byte (mb, CEE_STIND_REF);
4269 emit_thread_force_interrupt_checkpoint (mb);
4272 g_assert (sig->hasthis);
4273 g_assert (method->flags & METHOD_ATTRIBUTE_VIRTUAL);
4277 if (method->string_ctor) {
4278 mono_mb_emit_ptr (mb, string_dummy);
4280 mono_mb_emit_ldarg (mb, 0);
4284 tmp_nullable_locals = g_new0 (int, sig->param_count);
4286 for (i = 0; i < sig->param_count; i++) {
4287 MonoType *t = sig->params [i];
4290 mono_mb_emit_ldarg (mb, 1);
4292 mono_mb_emit_icon (mb, sizeof (gpointer) * i);
4293 mono_mb_emit_byte (mb, CEE_ADD);
4297 mono_mb_emit_byte (mb, CEE_LDIND_I);
4298 /* A Nullable<T> type don't have a boxed form, it's either null or a boxed T.
4299 * So to make this work we unbox it to a local variablee and push a reference to that.
4301 if (t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t))) {
4302 tmp_nullable_locals [i] = mono_mb_add_local (mb, &mono_class_from_mono_type (t)->byval_arg);
4304 mono_mb_emit_op (mb, CEE_UNBOX_ANY, mono_class_from_mono_type (t));
4305 mono_mb_emit_stloc (mb, tmp_nullable_locals [i]);
4306 mono_mb_emit_ldloc_addr (mb, tmp_nullable_locals [i]);
4311 /*FIXME 'this doesn't handle generic enums. Shouldn't we?*/
4312 type = sig->params [i]->type;
4316 case MONO_TYPE_BOOLEAN:
4320 case MONO_TYPE_CHAR:
4329 mono_mb_emit_byte (mb, CEE_LDIND_I);
4330 mono_mb_emit_byte (mb, mono_type_to_ldind (sig->params [i]));
4332 case MONO_TYPE_STRING:
4333 case MONO_TYPE_CLASS:
4334 case MONO_TYPE_ARRAY:
4336 case MONO_TYPE_SZARRAY:
4337 case MONO_TYPE_OBJECT:
4338 mono_mb_emit_byte (mb, mono_type_to_ldind (sig->params [i]));
4340 case MONO_TYPE_GENERICINST:
4341 if (!mono_type_generic_inst_is_valuetype (sig->params [i])) {
4342 mono_mb_emit_byte (mb, mono_type_to_ldind (sig->params [i]));
4347 case MONO_TYPE_VALUETYPE:
4348 if (type == MONO_TYPE_VALUETYPE && t->data.klass->enumtype) {
4349 type = mono_class_enum_basetype (t->data.klass)->type;
4352 mono_mb_emit_byte (mb, CEE_LDIND_I);
4353 if (mono_class_is_nullable (mono_class_from_mono_type (sig->params [i]))) {
4354 /* Need to convert a boxed vtype to an mp to a Nullable struct */
4355 mono_mb_emit_op (mb, CEE_UNBOX, mono_class_from_mono_type (sig->params [i]));
4356 mono_mb_emit_op (mb, CEE_LDOBJ, mono_class_from_mono_type (sig->params [i]));
4358 mono_mb_emit_op (mb, CEE_LDOBJ, mono_class_from_mono_type (sig->params [i]));
4362 g_assert_not_reached ();
4367 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
4368 } else if (need_direct_wrapper) {
4369 mono_mb_emit_op (mb, CEE_CALL, method);
4371 mono_mb_emit_ldarg (mb, 3);
4372 mono_mb_emit_calli (mb, callsig);
4375 if (sig->ret->byref) {
4377 g_assert_not_reached ();
4380 switch (sig->ret->type) {
4381 case MONO_TYPE_VOID:
4382 if (!method->string_ctor)
4383 mono_mb_emit_byte (mb, CEE_LDNULL);
4385 case MONO_TYPE_BOOLEAN:
4386 case MONO_TYPE_CHAR:
4399 case MONO_TYPE_VALUETYPE:
4400 case MONO_TYPE_TYPEDBYREF:
4401 case MONO_TYPE_GENERICINST:
4402 /* box value types */
4403 mono_mb_emit_op (mb, CEE_BOX, mono_class_from_mono_type (sig->ret));
4405 case MONO_TYPE_STRING:
4406 case MONO_TYPE_CLASS:
4407 case MONO_TYPE_ARRAY:
4408 case MONO_TYPE_SZARRAY:
4409 case MONO_TYPE_OBJECT:
4413 /* The result is an IntPtr */
4414 mono_mb_emit_op (mb, CEE_BOX, mono_defaults.int_class);
4417 g_assert_not_reached ();
4420 mono_mb_emit_stloc (mb, 0);
4422 /* Convert back nullable-byref arguments */
4423 for (i = 0; i < sig->param_count; i++) {
4424 MonoType *t = sig->params [i];
4427 * Box the result and put it back into the array, the caller will have
4428 * to obtain it from there.
4430 if (t->byref && t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t))) {
4431 mono_mb_emit_ldarg (mb, 1);
4432 mono_mb_emit_icon (mb, sizeof (gpointer) * i);
4433 mono_mb_emit_byte (mb, CEE_ADD);
4435 mono_mb_emit_ldloc (mb, tmp_nullable_locals [i]);
4436 mono_mb_emit_op (mb, CEE_BOX, mono_class_from_mono_type (t));
4438 mono_mb_emit_byte (mb, CEE_STIND_REF);
4442 pos = mono_mb_emit_branch (mb, CEE_LEAVE);
4444 clause = mono_image_alloc0 (target_klass->image, sizeof (MonoExceptionClause));
4445 clause->flags = MONO_EXCEPTION_CLAUSE_FILTER;
4446 clause->try_len = mono_mb_get_label (mb);
4449 clause->data.filter_offset = mono_mb_get_label (mb);
4451 mono_mb_emit_byte (mb, CEE_POP);
4452 mono_mb_emit_byte (mb, CEE_LDARG_2);
4453 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
4454 mono_mb_emit_byte (mb, CEE_PREFIX1);
4455 mono_mb_emit_byte (mb, CEE_CGT_UN);
4456 mono_mb_emit_byte (mb, CEE_PREFIX1);
4457 mono_mb_emit_byte (mb, CEE_ENDFILTER);
4459 clause->handler_offset = mono_mb_get_label (mb);
4462 /* store exception */
4463 mono_mb_emit_stloc (mb, 1);
4465 mono_mb_emit_byte (mb, CEE_LDARG_2);
4466 mono_mb_emit_ldloc (mb, 1);
4467 mono_mb_emit_byte (mb, CEE_STIND_REF);
4469 mono_mb_emit_byte (mb, CEE_LDNULL);
4470 mono_mb_emit_stloc (mb, 0);
4472 mono_mb_emit_branch (mb, CEE_LEAVE);
4474 clause->handler_len = mono_mb_get_pos (mb) - clause->handler_offset;
4476 mono_mb_set_clauses (mb, 1, clause);
4479 mono_mb_patch_branch (mb, pos);
4480 mono_mb_emit_ldloc (mb, 0);
4481 mono_mb_emit_byte (mb, CEE_RET);
4483 g_free (tmp_nullable_locals);
4485 if (need_direct_wrapper) {
4486 mb->skip_visibility = 1;
4487 res = mono_mb_create_and_cache (cache, method, mb, csig, sig->param_count + 16);
4489 /* taken from mono_mb_create_and_cache */
4490 mono_marshal_lock ();
4491 res = g_hash_table_lookup (cache, callsig);
4492 mono_marshal_unlock ();
4494 /* Somebody may have created it before us */
4497 newm = mono_mb_create_method (mb, csig, sig->param_count + 16);
4499 mono_marshal_lock ();
4500 res = g_hash_table_lookup (cache, callsig);
4503 g_hash_table_insert (cache, callsig, res);
4504 /* Can't insert it into wrapper_hash since the key is a signature */
4505 g_hash_table_insert (method->klass->image->runtime_invoke_direct_cache, method, res);
4507 mono_free_method (newm);
4509 mono_marshal_unlock ();
4512 /* end mono_mb_create_and_cache */
4521 * mono_marshal_get_runtime_invoke_dynamic:
4523 * Return a method which can be used to invoke managed methods from native code
4525 * The signature of the returned method is given by RuntimeInvokeDynamicFunction:
4526 * void runtime_invoke (void *args, MonoObject **exc, void *compiled_method)
4527 * ARGS should point to an architecture specific structure containing
4528 * the arguments and space for the return value.
4529 * The other arguments are the same as for runtime_invoke (), except that
4530 * ARGS should contain the this argument too.
4531 * This wrapper serves the same purpose as the runtime-invoke wrappers, but there
4532 * is only one copy of it, which is useful in full-aot.
4535 mono_marshal_get_runtime_invoke_dynamic (void)
4537 static MonoMethod *method;
4538 MonoMethodSignature *csig;
4539 MonoExceptionClause *clause;
4540 MonoMethodBuilder *mb;
4547 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
4549 csig->ret = &mono_defaults.void_class->byval_arg;
4550 csig->params [0] = &mono_defaults.int_class->byval_arg;
4551 csig->params [1] = &mono_defaults.int_class->byval_arg;
4552 csig->params [2] = &mono_defaults.int_class->byval_arg;
4553 csig->params [3] = &mono_defaults.int_class->byval_arg;
4555 name = g_strdup ("runtime_invoke_dynamic");
4556 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_RUNTIME_INVOKE);
4559 /* allocate local 0 (object) tmp */
4560 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4561 /* allocate local 1 (object) exc */
4562 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4564 /* cond set *exc to null */
4565 mono_mb_emit_byte (mb, CEE_LDARG_1);
4566 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
4567 mono_mb_emit_byte (mb, 3);
4568 mono_mb_emit_byte (mb, CEE_LDARG_1);
4569 mono_mb_emit_byte (mb, CEE_LDNULL);
4570 mono_mb_emit_byte (mb, CEE_STIND_REF);
4572 emit_thread_force_interrupt_checkpoint (mb);
4574 mono_mb_emit_byte (mb, CEE_LDARG_0);
4575 mono_mb_emit_byte (mb, CEE_LDARG_2);
4576 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4577 mono_mb_emit_byte (mb, CEE_MONO_DYN_CALL);
4579 pos = mono_mb_emit_branch (mb, CEE_LEAVE);
4581 clause = mono_image_alloc0 (mono_defaults.corlib, sizeof (MonoExceptionClause));
4582 clause->flags = MONO_EXCEPTION_CLAUSE_FILTER;
4583 clause->try_len = mono_mb_get_label (mb);
4586 clause->data.filter_offset = mono_mb_get_label (mb);
4588 mono_mb_emit_byte (mb, CEE_POP);
4589 mono_mb_emit_byte (mb, CEE_LDARG_1);
4590 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
4591 mono_mb_emit_byte (mb, CEE_PREFIX1);
4592 mono_mb_emit_byte (mb, CEE_CGT_UN);
4593 mono_mb_emit_byte (mb, CEE_PREFIX1);
4594 mono_mb_emit_byte (mb, CEE_ENDFILTER);
4596 clause->handler_offset = mono_mb_get_label (mb);
4599 /* store exception */
4600 mono_mb_emit_stloc (mb, 1);
4602 mono_mb_emit_byte (mb, CEE_LDARG_1);
4603 mono_mb_emit_ldloc (mb, 1);
4604 mono_mb_emit_byte (mb, CEE_STIND_REF);
4606 mono_mb_emit_byte (mb, CEE_LDNULL);
4607 mono_mb_emit_stloc (mb, 0);
4609 /* Check for the abort exception */
4610 mono_mb_emit_ldloc (mb, 1);
4611 mono_mb_emit_op (mb, CEE_ISINST, mono_defaults.threadabortexception_class);
4612 posna = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
4614 /* Delay the abort exception */
4615 mono_mb_emit_icall (mb, ves_icall_System_Threading_Thread_ResetAbort);
4617 mono_mb_patch_short_branch (mb, posna);
4618 mono_mb_emit_branch (mb, CEE_LEAVE);
4620 clause->handler_len = mono_mb_get_pos (mb) - clause->handler_offset;
4622 mono_mb_set_clauses (mb, 1, clause);
4625 mono_mb_patch_branch (mb, pos);
4626 //mono_mb_emit_ldloc (mb, 0);
4627 mono_mb_emit_byte (mb, CEE_RET);
4629 mono_loader_lock ();
4630 /* double-checked locking */
4632 method = mono_mb_create_method (mb, csig, 16);
4634 mono_loader_unlock ();
4642 mono_mb_emit_auto_layout_exception (MonoMethodBuilder *mb, MonoClass *klass)
4644 char *msg = g_strdup_printf ("The type `%s.%s' layout needs to be Sequential or Explicit",
4645 klass->name_space, klass->name);
4647 mono_mb_emit_exception_marshal_directive (mb, msg);
4651 * mono_marshal_get_ldfld_remote_wrapper:
4652 * @klass: The return type
4654 * This method generates a wrapper for calling mono_load_remote_field_new.
4655 * The return type is ignored for now, as mono_load_remote_field_new () always
4656 * returns an object. In the future, to optimize some codepaths, we might
4657 * call a different function that takes a pointer to a valuetype, instead.
4660 mono_marshal_get_ldfld_remote_wrapper (MonoClass *klass)
4662 MonoMethodSignature *sig, *csig;
4663 MonoMethodBuilder *mb;
4665 static MonoMethod* cached = NULL;
4667 mono_marshal_lock ();
4669 mono_marshal_unlock ();
4672 mono_marshal_unlock ();
4674 mb = mono_mb_new_no_dup_name (mono_defaults.object_class, "__mono_load_remote_field_new_wrapper", MONO_WRAPPER_LDFLD_REMOTE);
4676 mb->method->save_lmf = 1;
4678 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
4679 sig->params [0] = &mono_defaults.object_class->byval_arg;
4680 sig->params [1] = &mono_defaults.int_class->byval_arg;
4681 sig->params [2] = &mono_defaults.int_class->byval_arg;
4682 sig->ret = &mono_defaults.object_class->byval_arg;
4684 mono_mb_emit_ldarg (mb, 0);
4685 mono_mb_emit_ldarg (mb, 1);
4686 mono_mb_emit_ldarg (mb, 2);
4688 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
4689 csig->params [0] = &mono_defaults.object_class->byval_arg;
4690 csig->params [1] = &mono_defaults.int_class->byval_arg;
4691 csig->params [2] = &mono_defaults.int_class->byval_arg;
4692 csig->ret = &mono_defaults.object_class->byval_arg;
4695 mono_mb_emit_native_call (mb, csig, mono_load_remote_field_new);
4696 emit_thread_interrupt_checkpoint (mb);
4698 mono_mb_emit_byte (mb, CEE_RET);
4700 mono_marshal_lock ();
4702 mono_marshal_unlock ();
4705 newm = mono_mb_create_method (mb, sig, 4);
4706 mono_marshal_lock ();
4711 mono_marshal_unlock ();
4713 mono_marshal_unlock ();
4714 mono_free_method (newm);
4723 * mono_marshal_get_ldfld_wrapper:
4724 * @type: the type of the field
4726 * This method generates a function which can be use to load a field with type
4727 * @type from an object. The generated function has the following signature:
4728 * <@type> ldfld_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset)
4731 mono_marshal_get_ldfld_wrapper (MonoType *type)
4733 MonoMethodSignature *sig;
4734 MonoMethodBuilder *mb;
4739 int t, pos0, pos1 = 0;
4741 type = mono_type_get_underlying_type (type);
4746 if (type->type == MONO_TYPE_SZARRAY) {
4747 klass = mono_defaults.array_class;
4748 } else if (type->type == MONO_TYPE_VALUETYPE) {
4749 klass = type->data.klass;
4750 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING) {
4751 klass = mono_defaults.object_class;
4752 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
4753 klass = mono_defaults.int_class;
4754 } else if (t == MONO_TYPE_GENERICINST) {
4755 if (mono_type_generic_inst_is_valuetype (type))
4756 klass = mono_class_from_mono_type (type);
4758 klass = mono_defaults.object_class;
4760 klass = mono_class_from_mono_type (type);
4763 klass = mono_defaults.int_class;
4766 cache = get_cache (&klass->image->ldfld_wrapper_cache, mono_aligned_addr_hash, NULL);
4767 if ((res = mono_marshal_find_in_cache (cache, klass)))
4770 /* we add the %p pointer value of klass because class names are not unique */
4771 name = g_strdup_printf ("__ldfld_wrapper_%p_%s.%s", klass, klass->name_space, klass->name);
4772 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_LDFLD);
4775 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
4776 sig->params [0] = &mono_defaults.object_class->byval_arg;
4777 sig->params [1] = &mono_defaults.int_class->byval_arg;
4778 sig->params [2] = &mono_defaults.int_class->byval_arg;
4779 sig->params [3] = &mono_defaults.int_class->byval_arg;
4780 sig->ret = &klass->byval_arg;
4782 mono_mb_emit_ldarg (mb, 0);
4783 pos0 = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
4785 mono_mb_emit_ldarg (mb, 0);
4786 mono_mb_emit_ldarg (mb, 1);
4787 mono_mb_emit_ldarg (mb, 2);
4789 mono_mb_emit_managed_call (mb, mono_marshal_get_ldfld_remote_wrapper (klass), NULL);
4792 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
4793 csig->params [0] = &mono_defaults.object_class->byval_arg;
4794 csig->params [1] = &mono_defaults.int_class->byval_arg;
4795 csig->params [2] = &mono_defaults.int_class->byval_arg;
4796 csig->ret = &klass->this_arg;
4799 mono_mb_emit_native_call (mb, csig, mono_load_remote_field_new);
4800 emit_thread_interrupt_checkpoint (mb);
4803 if (klass->valuetype) {
4804 mono_mb_emit_op (mb, CEE_UNBOX, klass);
4805 pos1 = mono_mb_emit_branch (mb, CEE_BR);
4807 mono_mb_emit_byte (mb, CEE_RET);
4811 mono_mb_patch_branch (mb, pos0);
4813 mono_mb_emit_ldarg (mb, 0);
4814 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4815 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
4816 mono_mb_emit_ldarg (mb, 3);
4817 mono_mb_emit_byte (mb, CEE_ADD);
4819 if (klass->valuetype)
4820 mono_mb_patch_branch (mb, pos1);
4825 case MONO_TYPE_BOOLEAN:
4826 case MONO_TYPE_CHAR:
4835 case MONO_TYPE_ARRAY:
4836 case MONO_TYPE_SZARRAY:
4837 case MONO_TYPE_OBJECT:
4838 case MONO_TYPE_CLASS:
4839 case MONO_TYPE_STRING:
4843 case MONO_TYPE_FNPTR:
4844 mono_mb_emit_byte (mb, mono_type_to_ldind (type));
4846 case MONO_TYPE_VALUETYPE:
4847 g_assert (!klass->enumtype);
4848 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
4850 case MONO_TYPE_GENERICINST:
4851 if (mono_type_generic_inst_is_valuetype (type)) {
4852 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
4854 mono_mb_emit_byte (mb, CEE_LDIND_REF);
4858 g_warning ("type %x not implemented", type->type);
4859 g_assert_not_reached ();
4862 mono_mb_emit_byte (mb, CEE_RET);
4864 res = mono_mb_create_and_cache (cache, klass,
4865 mb, sig, sig->param_count + 16);
4872 * mono_marshal_get_ldflda_wrapper:
4873 * @type: the type of the field
4875 * This method generates a function which can be used to load a field address
4876 * from an object. The generated function has the following signature:
4877 * gpointer ldflda_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset);
4880 mono_marshal_get_ldflda_wrapper (MonoType *type)
4882 MonoMethodSignature *sig;
4883 MonoMethodBuilder *mb;
4888 int t, pos0, pos1, pos2, pos3;
4890 type = mono_type_get_underlying_type (type);
4894 if (type->type == MONO_TYPE_SZARRAY) {
4895 klass = mono_defaults.array_class;
4896 } else if (type->type == MONO_TYPE_VALUETYPE) {
4897 klass = type->data.klass;
4898 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING ||
4899 t == MONO_TYPE_CLASS) {
4900 klass = mono_defaults.object_class;
4901 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
4902 klass = mono_defaults.int_class;
4903 } else if (t == MONO_TYPE_GENERICINST) {
4904 if (mono_type_generic_inst_is_valuetype (type))
4905 klass = mono_class_from_mono_type (type);
4907 klass = mono_defaults.object_class;
4909 klass = mono_class_from_mono_type (type);
4912 klass = mono_defaults.int_class;
4915 cache = get_cache (&klass->image->ldflda_wrapper_cache, mono_aligned_addr_hash, NULL);
4916 if ((res = mono_marshal_find_in_cache (cache, klass)))
4919 /* we add the %p pointer value of klass because class names are not unique */
4920 name = g_strdup_printf ("__ldflda_wrapper_%p_%s.%s", klass, klass->name_space, klass->name);
4921 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_LDFLDA);
4924 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
4925 sig->params [0] = &mono_defaults.object_class->byval_arg;
4926 sig->params [1] = &mono_defaults.int_class->byval_arg;
4927 sig->params [2] = &mono_defaults.int_class->byval_arg;
4928 sig->params [3] = &mono_defaults.int_class->byval_arg;
4929 sig->ret = &mono_defaults.int_class->byval_arg;
4931 /* if typeof (this) != transparent_proxy goto pos0 */
4932 mono_mb_emit_ldarg (mb, 0);
4933 pos0 = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
4935 /* if same_appdomain goto pos1 */
4936 mono_mb_emit_ldarg (mb, 0);
4937 pos1 = mono_mb_emit_xdomain_check (mb, CEE_BEQ);
4939 mono_mb_emit_exception_full (mb, "System", "InvalidOperationException", "Attempt to load field address from object in another appdomain.");
4941 /* same app domain */
4942 mono_mb_patch_branch (mb, pos1);
4944 /* if typeof (this) != contextbound goto pos2 */
4945 mono_mb_emit_ldarg (mb, 0);
4946 pos2 = mono_mb_emit_contextbound_check (mb, CEE_BEQ);
4948 /* if this->rp->context == mono_context_get goto pos3 */
4949 mono_mb_emit_ldarg (mb, 0);
4950 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
4951 mono_mb_emit_byte (mb, CEE_LDIND_REF);
4952 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoRealProxy, context));
4953 mono_mb_emit_byte (mb, CEE_LDIND_REF);
4954 mono_mb_emit_icall (mb, mono_context_get);
4955 pos3 = mono_mb_emit_branch (mb, CEE_BEQ);
4957 mono_mb_emit_exception_full (mb, "System", "InvalidOperationException", "Attempt to load field address from object in another context.");
4959 mono_mb_patch_branch (mb, pos2);
4960 mono_mb_patch_branch (mb, pos3);
4962 /* return the address of the field from this->rp->unwrapped_server */
4963 mono_mb_emit_ldarg (mb, 0);
4964 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
4965 mono_mb_emit_byte (mb, CEE_LDIND_REF);
4966 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoRealProxy, unwrapped_server));
4967 mono_mb_emit_byte (mb, CEE_LDIND_REF);
4968 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4969 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
4970 mono_mb_emit_ldarg (mb, 3);
4971 mono_mb_emit_byte (mb, CEE_ADD);
4972 mono_mb_emit_byte (mb, CEE_RET);
4974 /* not a proxy: return the address of the field directly */
4975 mono_mb_patch_branch (mb, pos0);
4977 mono_mb_emit_ldarg (mb, 0);
4978 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4979 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
4980 mono_mb_emit_ldarg (mb, 3);
4981 mono_mb_emit_byte (mb, CEE_ADD);
4983 mono_mb_emit_byte (mb, CEE_RET);
4985 res = mono_mb_create_and_cache (cache, klass,
4986 mb, sig, sig->param_count + 16);
4993 * mono_marshal_get_stfld_remote_wrapper:
4994 * klass: The type of the field
4996 * This function generates a wrapper for calling mono_store_remote_field_new
4997 * with the appropriate signature.
4998 * Similarly to mono_marshal_get_ldfld_remote_wrapper () this doesn't depend on the
4999 * klass argument anymore.
5002 mono_marshal_get_stfld_remote_wrapper (MonoClass *klass)
5004 MonoMethodSignature *sig, *csig;
5005 MonoMethodBuilder *mb;
5007 static MonoMethod *cached = NULL;
5009 mono_marshal_lock ();
5011 mono_marshal_unlock ();
5014 mono_marshal_unlock ();
5016 mb = mono_mb_new_no_dup_name (mono_defaults.object_class, "__mono_store_remote_field_new_wrapper", MONO_WRAPPER_STFLD_REMOTE);
5018 mb->method->save_lmf = 1;
5020 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
5021 sig->params [0] = &mono_defaults.object_class->byval_arg;
5022 sig->params [1] = &mono_defaults.int_class->byval_arg;
5023 sig->params [2] = &mono_defaults.int_class->byval_arg;
5024 sig->params [3] = &mono_defaults.object_class->byval_arg;
5025 sig->ret = &mono_defaults.void_class->byval_arg;
5027 mono_mb_emit_ldarg (mb, 0);
5028 mono_mb_emit_ldarg (mb, 1);
5029 mono_mb_emit_ldarg (mb, 2);
5030 mono_mb_emit_ldarg (mb, 3);
5032 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
5033 csig->params [0] = &mono_defaults.object_class->byval_arg;
5034 csig->params [1] = &mono_defaults.int_class->byval_arg;
5035 csig->params [2] = &mono_defaults.int_class->byval_arg;
5036 csig->params [3] = &mono_defaults.object_class->byval_arg;
5037 csig->ret = &mono_defaults.void_class->byval_arg;
5040 mono_mb_emit_native_call (mb, csig, mono_store_remote_field_new);
5041 emit_thread_interrupt_checkpoint (mb);
5043 mono_mb_emit_byte (mb, CEE_RET);
5045 mono_marshal_lock ();
5047 mono_marshal_unlock ();
5050 newm = mono_mb_create_method (mb, sig, 6);
5051 mono_marshal_lock ();
5056 mono_marshal_unlock ();
5058 mono_marshal_unlock ();
5059 mono_free_method (newm);
5068 * mono_marshal_get_stfld_wrapper:
5069 * @type: the type of the field
5071 * This method generates a function which can be use to store a field with type
5072 * @type. The generated function has the following signature:
5073 * void stfld_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset, <@type> val)
5076 mono_marshal_get_stfld_wrapper (MonoType *type)
5078 MonoMethodSignature *sig;
5079 MonoMethodBuilder *mb;
5086 type = mono_type_get_underlying_type (type);
5090 if (type->type == MONO_TYPE_SZARRAY) {
5091 klass = mono_defaults.array_class;
5092 } else if (type->type == MONO_TYPE_VALUETYPE) {
5093 klass = type->data.klass;
5094 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING) {
5095 klass = mono_defaults.object_class;
5096 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
5097 klass = mono_defaults.int_class;
5098 } else if (t == MONO_TYPE_GENERICINST) {
5099 if (mono_type_generic_inst_is_valuetype (type))
5100 klass = mono_class_from_mono_type (type);
5102 klass = mono_defaults.object_class;
5104 klass = mono_class_from_mono_type (type);
5107 klass = mono_defaults.int_class;
5110 cache = get_cache (&klass->image->stfld_wrapper_cache, mono_aligned_addr_hash, NULL);
5111 if ((res = mono_marshal_find_in_cache (cache, klass)))
5114 /* we add the %p pointer value of klass because class names are not unique */
5115 name = g_strdup_printf ("__stfld_wrapper_%p_%s.%s", klass, klass->name_space, klass->name);
5116 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_STFLD);
5119 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 5);
5120 sig->params [0] = &mono_defaults.object_class->byval_arg;
5121 sig->params [1] = &mono_defaults.int_class->byval_arg;
5122 sig->params [2] = &mono_defaults.int_class->byval_arg;
5123 sig->params [3] = &mono_defaults.int_class->byval_arg;
5124 sig->params [4] = &klass->byval_arg;
5125 sig->ret = &mono_defaults.void_class->byval_arg;
5127 mono_mb_emit_ldarg (mb, 0);
5128 pos = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
5130 mono_mb_emit_ldarg (mb, 0);
5131 mono_mb_emit_ldarg (mb, 1);
5132 mono_mb_emit_ldarg (mb, 2);
5133 mono_mb_emit_ldarg (mb, 4);
5134 if (klass->valuetype)
5135 mono_mb_emit_op (mb, CEE_BOX, klass);
5137 mono_mb_emit_managed_call (mb, mono_marshal_get_stfld_remote_wrapper (klass), NULL);
5139 mono_mb_emit_byte (mb, CEE_RET);
5141 mono_mb_patch_branch (mb, pos);
5143 mono_mb_emit_ldarg (mb, 0);
5144 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5145 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
5146 mono_mb_emit_ldarg (mb, 3);
5147 mono_mb_emit_byte (mb, CEE_ADD);
5148 mono_mb_emit_ldarg (mb, 4);
5153 case MONO_TYPE_BOOLEAN:
5154 case MONO_TYPE_CHAR:
5163 case MONO_TYPE_ARRAY:
5164 case MONO_TYPE_SZARRAY:
5165 case MONO_TYPE_OBJECT:
5166 case MONO_TYPE_CLASS:
5167 case MONO_TYPE_STRING:
5171 case MONO_TYPE_FNPTR:
5172 mono_mb_emit_byte (mb, mono_type_to_stind (type));
5174 case MONO_TYPE_VALUETYPE:
5175 g_assert (!klass->enumtype);
5176 mono_mb_emit_op (mb, CEE_STOBJ, klass);
5178 case MONO_TYPE_GENERICINST:
5179 mono_mb_emit_op (mb, CEE_STOBJ, klass);
5182 g_warning ("type %x not implemented", type->type);
5183 g_assert_not_reached ();
5186 mono_mb_emit_byte (mb, CEE_RET);
5188 res = mono_mb_create_and_cache (cache, klass,
5189 mb, sig, sig->param_count + 16);
5196 * generates IL code for the icall wrapper (the generated method
5197 * calls the unmanaged code in func)
5200 mono_marshal_get_icall_wrapper (MonoMethodSignature *sig, const char *name, gconstpointer func, gboolean check_exceptions)
5202 MonoMethodSignature *csig, *csig2;
5203 MonoMethodBuilder *mb;
5207 g_assert (sig->pinvoke);
5209 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_MANAGED_TO_NATIVE);
5211 mb->method->save_lmf = 1;
5213 /* Add an explicit this argument */
5215 csig2 = signature_dup_add_this (sig, mono_defaults.object_class);
5217 csig2 = signature_dup (mono_defaults.corlib, sig);
5220 mono_mb_emit_byte (mb, CEE_LDARG_0);
5222 for (i = 0; i < sig->param_count; i++)
5223 mono_mb_emit_ldarg (mb, i + sig->hasthis);
5225 mono_mb_emit_native_call (mb, csig2, (gpointer) func);
5226 if (check_exceptions)
5227 emit_thread_interrupt_checkpoint (mb);
5228 mono_mb_emit_byte (mb, CEE_RET);
5230 csig = signature_dup (mono_defaults.corlib, sig);
5232 if (csig->call_convention == MONO_CALL_VARARG)
5233 csig->call_convention = 0;
5235 res = mono_mb_create_method (mb, csig, csig->param_count + 16);
5242 emit_marshal_custom (EmitMarshalContext *m, int argnum, MonoType *t,
5243 MonoMarshalSpec *spec,
5244 int conv_arg, MonoType **conv_arg_type,
5245 MarshalAction action)
5249 static MonoClass *ICustomMarshaler = NULL;
5250 static MonoMethod *cleanup_native, *cleanup_managed;
5251 static MonoMethod *marshal_managed_to_native, *marshal_native_to_managed;
5252 MonoMethod *get_instance;
5253 MonoMethodBuilder *mb = m->mb;
5254 char *exception_msg = NULL;
5258 if (!ICustomMarshaler) {
5259 ICustomMarshaler = mono_class_from_name (mono_defaults.corlib, "System.Runtime.InteropServices", "ICustomMarshaler");
5260 g_assert (ICustomMarshaler);
5262 cleanup_native = mono_class_get_method_from_name (ICustomMarshaler, "CleanUpNativeData", 1);
5263 g_assert (cleanup_native);
5264 cleanup_managed = mono_class_get_method_from_name (ICustomMarshaler, "CleanUpManagedData", 1);
5265 g_assert (cleanup_managed);
5266 marshal_managed_to_native = mono_class_get_method_from_name (ICustomMarshaler, "MarshalManagedToNative", 1);
5267 g_assert (marshal_managed_to_native);
5268 marshal_native_to_managed = mono_class_get_method_from_name (ICustomMarshaler, "MarshalNativeToManaged", 1);
5269 g_assert (marshal_native_to_managed);
5272 mtype = mono_reflection_type_from_name (spec->data.custom_data.custom_name, m->image);
5273 g_assert (mtype != NULL);
5274 mklass = mono_class_from_mono_type (mtype);
5275 g_assert (mklass != NULL);
5277 if (!mono_class_is_assignable_from (ICustomMarshaler, mklass))
5278 exception_msg = g_strdup_printf ("Custom marshaler '%s' does not implement the ICustomMarshaler interface.", mklass->name);
5280 get_instance = mono_class_get_method_from_name_flags (mklass, "GetInstance", 1, METHOD_ATTRIBUTE_STATIC);
5282 MonoMethodSignature *get_sig = mono_method_signature (get_instance);
5283 if ((get_sig->ret->type != MONO_TYPE_CLASS) ||
5284 (mono_class_from_mono_type (get_sig->ret) != ICustomMarshaler) ||
5285 (get_sig->params [0]->type != MONO_TYPE_STRING))
5286 get_instance = NULL;
5290 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);
5292 /* Throw exception and emit compensation code if neccesary */
5293 if (exception_msg) {
5295 case MARSHAL_ACTION_CONV_IN:
5296 case MARSHAL_ACTION_CONV_RESULT:
5297 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
5298 if ((action == MARSHAL_ACTION_CONV_RESULT) || (action == MARSHAL_ACTION_MANAGED_CONV_RESULT))
5299 mono_mb_emit_byte (mb, CEE_POP);
5301 mono_mb_emit_exception_full (mb, "System", "ApplicationException", exception_msg);
5302 g_free (exception_msg);
5305 case MARSHAL_ACTION_PUSH:
5306 mono_mb_emit_byte (mb, CEE_LDNULL);
5314 /* FIXME: MS.NET seems to create one instance for each klass + cookie pair */
5315 /* FIXME: MS.NET throws an exception if GetInstance returns null */
5318 case MARSHAL_ACTION_CONV_IN:
5320 case MONO_TYPE_CLASS:
5321 case MONO_TYPE_OBJECT:
5322 case MONO_TYPE_STRING:
5323 case MONO_TYPE_ARRAY:
5324 case MONO_TYPE_SZARRAY:
5325 case MONO_TYPE_VALUETYPE:
5329 g_warning ("custom marshalling of type %x is currently not supported", t->type);
5330 g_assert_not_reached ();
5334 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5336 mono_mb_emit_byte (mb, CEE_LDNULL);
5337 mono_mb_emit_stloc (mb, conv_arg);
5339 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT))
5342 /* Minic MS.NET behavior */
5343 if (!t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT) && !(t->attrs & PARAM_ATTRIBUTE_IN))
5346 /* Check for null */
5347 mono_mb_emit_ldarg (mb, argnum);
5349 mono_mb_emit_byte (mb, CEE_LDIND_I);
5350 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5352 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5354 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5356 mono_mb_emit_ldarg (mb, argnum);
5358 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5360 if (t->type == MONO_TYPE_VALUETYPE) {
5362 * Since we can't determine the type of the argument, we
5363 * will assume the unmanaged function takes a pointer.
5365 *conv_arg_type = &mono_defaults.int_class->byval_arg;
5367 mono_mb_emit_op (mb, CEE_BOX, mono_class_from_mono_type (t));
5370 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_managed_to_native);
5371 mono_mb_emit_stloc (mb, conv_arg);
5373 mono_mb_patch_branch (mb, pos2);
5376 case MARSHAL_ACTION_CONV_OUT:
5377 /* Check for null */
5378 mono_mb_emit_ldloc (mb, conv_arg);
5379 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5382 mono_mb_emit_ldarg (mb, argnum);
5384 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5386 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5388 mono_mb_emit_ldloc (mb, conv_arg);
5389 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
5390 mono_mb_emit_byte (mb, CEE_STIND_REF);
5391 } else if (t->attrs & PARAM_ATTRIBUTE_OUT) {
5392 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5394 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5396 mono_mb_emit_ldloc (mb, conv_arg);
5397 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
5399 /* We have nowhere to store the result */
5400 mono_mb_emit_byte (mb, CEE_POP);
5403 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5405 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5407 mono_mb_emit_ldloc (mb, conv_arg);
5409 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_native);
5411 mono_mb_patch_branch (mb, pos2);
5414 case MARSHAL_ACTION_PUSH:
5416 mono_mb_emit_ldloc_addr (mb, conv_arg);
5418 mono_mb_emit_ldloc (mb, conv_arg);
5421 case MARSHAL_ACTION_CONV_RESULT:
5422 loc1 = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5424 mono_mb_emit_stloc (mb, 3);
5426 mono_mb_emit_ldloc (mb, 3);
5427 mono_mb_emit_stloc (mb, loc1);
5429 /* Check for null */
5430 mono_mb_emit_ldloc (mb, 3);
5431 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5433 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5435 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5436 mono_mb_emit_byte (mb, CEE_DUP);
5438 mono_mb_emit_ldloc (mb, 3);
5439 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
5440 mono_mb_emit_stloc (mb, 3);
5442 mono_mb_emit_ldloc (mb, loc1);
5443 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_native);
5445 mono_mb_patch_branch (mb, pos2);
5448 case MARSHAL_ACTION_MANAGED_CONV_IN:
5449 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
5451 mono_mb_emit_byte (mb, CEE_LDNULL);
5452 mono_mb_emit_stloc (mb, conv_arg);
5454 if (t->byref && t->attrs & PARAM_ATTRIBUTE_OUT)
5457 /* Check for null */
5458 mono_mb_emit_ldarg (mb, argnum);
5460 mono_mb_emit_byte (mb, CEE_LDIND_I);
5461 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5463 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5464 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5466 mono_mb_emit_ldarg (mb, argnum);
5468 mono_mb_emit_byte (mb, CEE_LDIND_I);
5470 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
5471 mono_mb_emit_stloc (mb, conv_arg);
5473 mono_mb_patch_branch (mb, pos2);
5476 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
5477 g_assert (!t->byref);
5479 loc1 = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
5481 mono_mb_emit_stloc (mb, 3);
5483 mono_mb_emit_ldloc (mb, 3);
5484 mono_mb_emit_stloc (mb, loc1);
5486 /* Check for null */
5487 mono_mb_emit_ldloc (mb, 3);
5488 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5490 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5491 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5492 mono_mb_emit_byte (mb, CEE_DUP);
5494 mono_mb_emit_ldloc (mb, 3);
5495 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_managed_to_native);
5496 mono_mb_emit_stloc (mb, 3);
5498 mono_mb_emit_ldloc (mb, loc1);
5499 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_managed);
5501 mono_mb_patch_branch (mb, pos2);
5504 case MARSHAL_ACTION_MANAGED_CONV_OUT:
5506 /* Check for null */
5507 mono_mb_emit_ldloc (mb, conv_arg);
5508 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5511 mono_mb_emit_ldarg (mb, argnum);
5513 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5515 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5517 mono_mb_emit_ldloc (mb, conv_arg);
5518 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_managed_to_native);
5519 mono_mb_emit_byte (mb, CEE_STIND_I);
5522 /* Call CleanUpManagedData */
5523 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5525 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5527 mono_mb_emit_ldloc (mb, conv_arg);
5528 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_managed);
5530 mono_mb_patch_branch (mb, pos2);
5534 g_assert_not_reached ();
5541 emit_marshal_asany (EmitMarshalContext *m, int argnum, MonoType *t,
5542 MonoMarshalSpec *spec,
5543 int conv_arg, MonoType **conv_arg_type,
5544 MarshalAction action)
5546 MonoMethodBuilder *mb = m->mb;
5549 case MARSHAL_ACTION_CONV_IN: {
5550 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, NULL);
5552 g_assert (t->type == MONO_TYPE_OBJECT);
5553 g_assert (!t->byref);
5555 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5556 mono_mb_emit_ldarg (mb, argnum);
5557 mono_mb_emit_icon (mb, encoding);
5558 mono_mb_emit_icon (mb, t->attrs);
5559 mono_mb_emit_icall (mb, mono_marshal_asany);
5560 mono_mb_emit_stloc (mb, conv_arg);
5564 case MARSHAL_ACTION_PUSH:
5565 mono_mb_emit_ldloc (mb, conv_arg);
5568 case MARSHAL_ACTION_CONV_OUT: {
5569 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, NULL);
5571 mono_mb_emit_ldarg (mb, argnum);
5572 mono_mb_emit_ldloc (mb, conv_arg);
5573 mono_mb_emit_icon (mb, encoding);
5574 mono_mb_emit_icon (mb, t->attrs);
5575 mono_mb_emit_icall (mb, mono_marshal_free_asany);
5580 g_assert_not_reached ();
5587 emit_marshal_vtype (EmitMarshalContext *m, int argnum, MonoType *t,
5588 MonoMarshalSpec *spec,
5589 int conv_arg, MonoType **conv_arg_type,
5590 MarshalAction action)
5592 MonoMethodBuilder *mb = m->mb;
5593 MonoClass *klass, *date_time_class;
5596 klass = mono_class_from_mono_type (t);
5598 date_time_class = mono_class_from_name_cached (mono_defaults.corlib, "System", "DateTime");
5601 case MARSHAL_ACTION_CONV_IN:
5602 if (klass == date_time_class) {
5603 /* Convert it to an OLE DATE type */
5604 static MonoMethod *to_oadate;
5607 to_oadate = mono_class_get_method_from_name (date_time_class, "ToOADate", 0);
5608 g_assert (to_oadate);
5610 conv_arg = mono_mb_add_local (mb, &mono_defaults.double_class->byval_arg);
5613 mono_mb_emit_ldarg (mb, argnum);
5614 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
5617 if (!(t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && (t->attrs & PARAM_ATTRIBUTE_OUT))) {
5619 m->csig->params [argnum - m->csig->hasthis] = &mono_defaults.double_class->byval_arg;
5621 mono_mb_emit_ldarg_addr (mb, argnum);
5622 mono_mb_emit_managed_call (mb, to_oadate, NULL);
5623 mono_mb_emit_stloc (mb, conv_arg);
5627 mono_mb_patch_branch (mb, pos);
5631 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
5632 klass->blittable || klass->enumtype)
5635 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5637 /* store the address of the source into local variable 0 */
5639 mono_mb_emit_ldarg (mb, argnum);
5641 mono_mb_emit_ldarg_addr (mb, argnum);
5643 mono_mb_emit_stloc (mb, 0);
5645 /* allocate space for the native struct and
5646 * store the address into local variable 1 (dest) */
5647 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
5648 mono_mb_emit_byte (mb, CEE_PREFIX1);
5649 mono_mb_emit_byte (mb, CEE_LOCALLOC);
5650 mono_mb_emit_stloc (mb, conv_arg);
5653 mono_mb_emit_ldloc (mb, 0);
5654 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
5657 if (!(t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && (t->attrs & PARAM_ATTRIBUTE_OUT))) {
5659 mono_mb_emit_ldloc (mb, conv_arg);
5660 mono_mb_emit_stloc (mb, 1);
5662 /* emit valuetype conversion code */
5663 emit_struct_conv (mb, klass, FALSE);
5667 mono_mb_patch_branch (mb, pos);
5670 case MARSHAL_ACTION_PUSH:
5671 if (spec && spec->native == MONO_NATIVE_LPSTRUCT) {
5673 g_assert (!t->byref);
5675 /* Have to change the signature since the vtype is passed byref */
5676 m->csig->params [argnum - m->csig->hasthis] = &mono_defaults.int_class->byval_arg;
5678 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
5679 klass->blittable || klass->enumtype)
5680 mono_mb_emit_ldarg_addr (mb, argnum);
5682 mono_mb_emit_ldloc (mb, conv_arg);
5686 if (klass == date_time_class) {
5688 mono_mb_emit_ldloc_addr (mb, conv_arg);
5690 mono_mb_emit_ldloc (mb, conv_arg);
5694 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
5695 klass->blittable || klass->enumtype) {
5696 mono_mb_emit_ldarg (mb, argnum);
5699 mono_mb_emit_ldloc (mb, conv_arg);
5701 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5702 mono_mb_emit_op (mb, CEE_MONO_LDNATIVEOBJ, klass);
5706 case MARSHAL_ACTION_CONV_OUT:
5707 if (klass == date_time_class) {
5708 /* Convert from an OLE DATE type */
5709 static MonoMethod *from_oadate;
5714 if (!((t->attrs & PARAM_ATTRIBUTE_IN) && !(t->attrs & PARAM_ATTRIBUTE_OUT))) {
5716 from_oadate = mono_class_get_method_from_name (date_time_class, "FromOADate", 1);
5717 g_assert (from_oadate);
5719 mono_mb_emit_ldarg (mb, argnum);
5720 mono_mb_emit_ldloc (mb, conv_arg);
5721 mono_mb_emit_managed_call (mb, from_oadate, NULL);
5722 mono_mb_emit_op (mb, CEE_STOBJ, date_time_class);
5727 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
5728 klass->blittable || klass->enumtype)
5732 /* dst = argument */
5733 mono_mb_emit_ldarg (mb, argnum);
5734 mono_mb_emit_stloc (mb, 1);
5736 mono_mb_emit_ldloc (mb, 1);
5737 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
5739 if (!((t->attrs & PARAM_ATTRIBUTE_IN) && !(t->attrs & PARAM_ATTRIBUTE_OUT))) {
5740 /* src = tmp_locals [i] */
5741 mono_mb_emit_ldloc (mb, conv_arg);
5742 mono_mb_emit_stloc (mb, 0);
5744 /* emit valuetype conversion code */
5745 emit_struct_conv (mb, klass, TRUE);
5749 emit_struct_free (mb, klass, conv_arg);
5752 mono_mb_patch_branch (mb, pos);
5755 case MARSHAL_ACTION_CONV_RESULT:
5756 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
5758 mono_mb_emit_stloc (mb, 3);
5762 /* load pointer to returned value type */
5763 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5764 mono_mb_emit_byte (mb, CEE_MONO_VTADDR);
5765 /* store the address of the source into local variable 0 */
5766 mono_mb_emit_stloc (mb, 0);
5768 mono_mb_emit_ldloc_addr (mb, 3);
5769 mono_mb_emit_stloc (mb, 1);
5771 /* emit valuetype conversion code */
5772 emit_struct_conv (mb, klass, TRUE);
5775 case MARSHAL_ACTION_MANAGED_CONV_IN:
5776 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
5777 klass->blittable || klass->enumtype) {
5782 conv_arg = mono_mb_add_local (mb, &klass->byval_arg);
5784 if (t->attrs & PARAM_ATTRIBUTE_OUT)
5788 mono_mb_emit_ldarg (mb, argnum);
5790 mono_mb_emit_ldarg_addr (mb, argnum);
5791 mono_mb_emit_stloc (mb, 0);
5794 mono_mb_emit_ldloc (mb, 0);
5795 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
5798 mono_mb_emit_ldloc_addr (mb, conv_arg);
5799 mono_mb_emit_stloc (mb, 1);
5801 /* emit valuetype conversion code */
5802 emit_struct_conv (mb, klass, TRUE);
5805 mono_mb_patch_branch (mb, pos);
5808 case MARSHAL_ACTION_MANAGED_CONV_OUT:
5809 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
5810 klass->blittable || klass->enumtype) {
5814 /* Check for null */
5815 mono_mb_emit_ldarg (mb, argnum);
5816 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5819 mono_mb_emit_ldloc_addr (mb, conv_arg);
5820 mono_mb_emit_stloc (mb, 0);
5823 mono_mb_emit_ldarg (mb, argnum);
5824 mono_mb_emit_stloc (mb, 1);
5826 /* emit valuetype conversion code */
5827 emit_struct_conv (mb, klass, FALSE);
5829 mono_mb_patch_branch (mb, pos2);
5832 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
5833 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
5834 klass->blittable || klass->enumtype) {
5835 mono_mb_emit_stloc (mb, 3);
5840 /* load pointer to returned value type */
5841 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5842 mono_mb_emit_byte (mb, CEE_MONO_VTADDR);
5844 /* store the address of the source into local variable 0 */
5845 mono_mb_emit_stloc (mb, 0);
5846 /* allocate space for the native struct and
5847 * store the address into dst_ptr */
5848 m->retobj_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5849 m->retobj_class = klass;
5850 g_assert (m->retobj_var);
5851 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
5852 mono_mb_emit_byte (mb, CEE_CONV_I);
5853 mono_mb_emit_icall (mb, mono_marshal_alloc);
5854 mono_mb_emit_stloc (mb, 1);
5855 mono_mb_emit_ldloc (mb, 1);
5856 mono_mb_emit_stloc (mb, m->retobj_var);
5858 /* emit valuetype conversion code */
5859 emit_struct_conv (mb, klass, FALSE);
5863 g_assert_not_reached ();
5870 emit_marshal_string (EmitMarshalContext *m, int argnum, MonoType *t,
5871 MonoMarshalSpec *spec,
5872 int conv_arg, MonoType **conv_arg_type,
5873 MarshalAction action)
5875 MonoMethodBuilder *mb = m->mb;
5876 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
5877 MonoMarshalConv conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
5881 case MARSHAL_ACTION_CONV_IN:
5882 *conv_arg_type = &mono_defaults.int_class->byval_arg;
5883 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5886 if (t->attrs & PARAM_ATTRIBUTE_OUT)
5889 mono_mb_emit_ldarg (mb, argnum);
5890 mono_mb_emit_byte (mb, CEE_LDIND_I);
5892 mono_mb_emit_ldarg (mb, argnum);
5896 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
5897 MonoException *exc = mono_get_exception_not_implemented (msg);
5898 g_warning ("%s", msg);
5900 mono_raise_exception (exc);
5903 mono_mb_emit_icall (mb, conv_to_icall (conv));
5905 mono_mb_emit_stloc (mb, conv_arg);
5908 case MARSHAL_ACTION_CONV_OUT:
5909 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
5911 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
5912 mono_mb_emit_exception_marshal_directive (mb, msg);
5916 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT)) {
5917 mono_mb_emit_ldarg (mb, argnum);
5918 mono_mb_emit_ldloc (mb, conv_arg);
5919 mono_mb_emit_icall (mb, conv_to_icall (conv));
5920 mono_mb_emit_byte (mb, CEE_STIND_REF);
5923 if (need_free || (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT))) {
5924 mono_mb_emit_ldloc (mb, conv_arg);
5925 if (conv == MONO_MARSHAL_CONV_BSTR_STR)
5926 mono_mb_emit_icall (mb, mono_free_bstr);
5928 mono_mb_emit_icall (mb, mono_marshal_free);
5932 case MARSHAL_ACTION_PUSH:
5934 mono_mb_emit_ldloc_addr (mb, conv_arg);
5936 mono_mb_emit_ldloc (mb, conv_arg);
5939 case MARSHAL_ACTION_CONV_RESULT:
5940 mono_mb_emit_stloc (mb, 0);
5942 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
5944 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
5945 mono_mb_emit_exception_marshal_directive (mb, msg);
5949 mono_mb_emit_ldloc (mb, 0);
5950 mono_mb_emit_icall (mb, conv_to_icall (conv));
5951 mono_mb_emit_stloc (mb, 3);
5953 /* free the string */
5954 mono_mb_emit_ldloc (mb, 0);
5955 if (conv == MONO_MARSHAL_CONV_BSTR_STR)
5956 mono_mb_emit_icall (mb, mono_free_bstr);
5958 mono_mb_emit_icall (mb, mono_marshal_free);
5961 case MARSHAL_ACTION_MANAGED_CONV_IN:
5962 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
5964 *conv_arg_type = &mono_defaults.int_class->byval_arg;
5966 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
5968 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
5969 mono_mb_emit_exception_marshal_directive (mb, msg);
5973 mono_mb_emit_ldarg (mb, argnum);
5975 mono_mb_emit_byte (mb, CEE_LDIND_I);
5976 mono_mb_emit_icall (mb, conv_to_icall (conv));
5977 mono_mb_emit_stloc (mb, conv_arg);
5980 case MARSHAL_ACTION_MANAGED_CONV_OUT:
5983 mono_mb_emit_ldarg (mb, argnum);
5984 mono_mb_emit_ldloc (mb, conv_arg);
5985 mono_mb_emit_icall (mb, conv_to_icall (conv));
5986 mono_mb_emit_byte (mb, CEE_STIND_I);
5991 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
5992 if (conv_to_icall (conv) == mono_marshal_string_to_utf16)
5993 /* We need to make a copy so the caller is able to free it */
5994 mono_mb_emit_icall (mb, mono_marshal_string_to_utf16_copy);
5996 mono_mb_emit_icall (mb, conv_to_icall (conv));
5997 mono_mb_emit_stloc (mb, 3);
6001 g_assert_not_reached ();
6008 emit_marshal_safehandle (EmitMarshalContext *m, int argnum, MonoType *t,
6009 MonoMarshalSpec *spec, int conv_arg,
6010 MonoType **conv_arg_type, MarshalAction action)
6012 MonoMethodBuilder *mb = m->mb;
6015 case MARSHAL_ACTION_CONV_IN: {
6016 MonoType *intptr_type;
6017 int dar_release_slot, pos;
6019 intptr_type = &mono_defaults.int_class->byval_arg;
6020 conv_arg = mono_mb_add_local (mb, intptr_type);
6021 *conv_arg_type = intptr_type;
6023 if (!sh_dangerous_add_ref)
6024 init_safe_handle ();
6026 mono_mb_emit_ldarg (mb, argnum);
6027 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
6028 mono_mb_emit_exception (mb, "ArgumentNullException", NULL);
6030 mono_mb_patch_branch (mb, pos);
6033 * My tests in show that ref SafeHandles are not really
6034 * passed as ref objects. Instead a NULL is passed as the
6037 mono_mb_emit_icon (mb, 0);
6038 mono_mb_emit_stloc (mb, conv_arg);
6042 /* Create local to hold the ref parameter to DangerousAddRef */
6043 dar_release_slot = mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
6045 /* set release = false; */
6046 mono_mb_emit_icon (mb, 0);
6047 mono_mb_emit_stloc (mb, dar_release_slot);
6049 /* safehandle.DangerousAddRef (ref release) */
6050 mono_mb_emit_ldarg (mb, argnum);
6051 mono_mb_emit_ldloc_addr (mb, dar_release_slot);
6052 mono_mb_emit_managed_call (mb, sh_dangerous_add_ref, NULL);
6054 /* Pull the handle field from SafeHandle */
6055 mono_mb_emit_ldarg (mb, argnum);
6056 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoSafeHandle, handle));
6057 mono_mb_emit_byte (mb, CEE_LDIND_I);
6058 mono_mb_emit_stloc (mb, conv_arg);
6063 case MARSHAL_ACTION_PUSH:
6065 mono_mb_emit_ldloc_addr (mb, conv_arg);
6067 mono_mb_emit_ldloc (mb, conv_arg);
6070 case MARSHAL_ACTION_CONV_OUT: {
6071 /* The slot for the boolean is the next temporary created after conv_arg, see the CONV_IN code */
6072 int dar_release_slot = conv_arg + 1;
6075 if (!sh_dangerous_release)
6076 init_safe_handle ();
6082 * My tests indicate that ref SafeHandles parameters are not actually
6083 * passed by ref, but instead a new Handle is created regardless of
6084 * whether a change happens in the unmanaged side.
6086 * Also, the Handle is created before calling into unmanaged code,
6087 * but we do not support that mechanism (getting to the original
6088 * handle) and it makes no difference where we create this
6090 ctor = mono_class_get_method_from_name (t->data.klass, ".ctor", 0);
6092 mono_mb_emit_exception (mb, "MissingMethodException", "paramterless constructor required");
6095 /* refval = new SafeHandleDerived ()*/
6096 mono_mb_emit_ldarg (mb, argnum);
6097 mono_mb_emit_op (mb, CEE_NEWOBJ, ctor);
6098 mono_mb_emit_byte (mb, CEE_STIND_REF);
6100 /* refval.handle = returned_handle */
6101 mono_mb_emit_ldarg (mb, argnum);
6102 mono_mb_emit_byte (mb, CEE_LDIND_REF);
6103 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoSafeHandle, handle));
6104 mono_mb_emit_ldloc (mb, conv_arg);
6105 mono_mb_emit_byte (mb, CEE_STIND_I);
6107 mono_mb_emit_ldloc (mb, dar_release_slot);
6108 label_next = mono_mb_emit_branch (mb, CEE_BRFALSE);
6109 mono_mb_emit_ldarg (mb, argnum);
6110 mono_mb_emit_managed_call (mb, sh_dangerous_release, NULL);
6111 mono_mb_patch_branch (mb, label_next);
6116 case MARSHAL_ACTION_CONV_RESULT: {
6117 MonoMethod *ctor = NULL;
6118 int intptr_handle_slot;
6120 if (t->data.klass->flags & TYPE_ATTRIBUTE_ABSTRACT){
6121 mono_mb_emit_byte (mb, CEE_POP);
6122 mono_mb_emit_exception_marshal_directive (mb, "Returned SafeHandles should not be abstract");
6126 ctor = mono_class_get_method_from_name (t->data.klass, ".ctor", 0);
6128 mono_mb_emit_byte (mb, CEE_POP);
6129 mono_mb_emit_exception (mb, "MissingMethodException", "paramterless constructor required");
6132 /* Store the IntPtr results into a local */
6133 intptr_handle_slot = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6134 mono_mb_emit_stloc (mb, intptr_handle_slot);
6136 /* Create return value */
6137 mono_mb_emit_op (mb, CEE_NEWOBJ, ctor);
6138 mono_mb_emit_stloc (mb, 3);
6140 /* Set the return.handle to the value, am using ldflda, not sure if thats a good idea */
6141 mono_mb_emit_ldloc (mb, 3);
6142 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoSafeHandle, handle));
6143 mono_mb_emit_ldloc (mb, intptr_handle_slot);
6144 mono_mb_emit_byte (mb, CEE_STIND_I);
6148 case MARSHAL_ACTION_MANAGED_CONV_IN:
6149 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_IN\n");
6152 case MARSHAL_ACTION_MANAGED_CONV_OUT:
6153 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_OUT\n");
6156 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
6157 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_RESULT\n");
6160 printf ("Unhandled case for MarshalAction: %d\n", action);
6167 emit_marshal_handleref (EmitMarshalContext *m, int argnum, MonoType *t,
6168 MonoMarshalSpec *spec, int conv_arg,
6169 MonoType **conv_arg_type, MarshalAction action)
6171 MonoMethodBuilder *mb = m->mb;
6174 case MARSHAL_ACTION_CONV_IN: {
6175 MonoType *intptr_type;
6177 intptr_type = &mono_defaults.int_class->byval_arg;
6178 conv_arg = mono_mb_add_local (mb, intptr_type);
6179 *conv_arg_type = intptr_type;
6182 mono_mb_emit_exception_marshal_directive (mb,
6183 "HandleRefs can not be returned from unmanaged code (or passed by ref)");
6186 mono_mb_emit_ldarg_addr (mb, argnum);
6187 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoHandleRef, handle));
6188 mono_mb_emit_byte (mb, CEE_ADD);
6189 mono_mb_emit_byte (mb, CEE_LDIND_I);
6190 mono_mb_emit_stloc (mb, conv_arg);
6194 case MARSHAL_ACTION_PUSH:
6195 mono_mb_emit_ldloc (mb, conv_arg);
6198 case MARSHAL_ACTION_CONV_OUT: {
6199 /* no resource release required */
6203 case MARSHAL_ACTION_CONV_RESULT: {
6204 mono_mb_emit_exception_marshal_directive (mb,
6205 "HandleRefs can not be returned from unmanaged code (or passed by ref)");
6209 case MARSHAL_ACTION_MANAGED_CONV_IN:
6210 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_IN\n");
6213 case MARSHAL_ACTION_MANAGED_CONV_OUT:
6214 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_OUT\n");
6217 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
6218 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_RESULT\n");
6221 fprintf (stderr, "Unhandled case for MarshalAction: %d\n", action);
6228 emit_marshal_object (EmitMarshalContext *m, int argnum, MonoType *t,
6229 MonoMarshalSpec *spec,
6230 int conv_arg, MonoType **conv_arg_type,
6231 MarshalAction action)
6233 MonoMethodBuilder *mb = m->mb;
6234 MonoClass *klass = mono_class_from_mono_type (t);
6238 case MARSHAL_ACTION_CONV_IN:
6239 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6240 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6242 m->orig_conv_args [argnum] = 0;
6244 if (mono_class_from_mono_type (t) == mono_defaults.object_class) {
6245 char *msg = g_strdup_printf ("Marshalling of type object is not implemented");
6246 mono_mb_emit_exception_marshal_directive (mb, msg);
6250 if (klass->delegate) {
6252 if (!(t->attrs & PARAM_ATTRIBUTE_OUT)) {
6253 char *msg = g_strdup_printf ("Byref marshalling of delegates is not implemented.");
6254 mono_mb_emit_exception_marshal_directive (mb, msg);
6256 mono_mb_emit_byte (mb, CEE_LDNULL);
6257 mono_mb_emit_stloc (mb, conv_arg);
6259 mono_mb_emit_ldarg (mb, argnum);
6260 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_DEL_FTN));
6261 mono_mb_emit_stloc (mb, conv_arg);
6263 } else if (klass == mono_defaults.stringbuilder_class) {
6264 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
6265 MonoMarshalConv conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
6268 if (!(t->attrs & PARAM_ATTRIBUTE_OUT)) {
6269 char *msg = g_strdup_printf ("Byref marshalling of stringbuilders is not implemented.");
6270 mono_mb_emit_exception_marshal_directive (mb, msg);
6275 mono_mb_emit_ldarg (mb, argnum);
6278 mono_mb_emit_icall (mb, conv_to_icall (conv));
6280 char *msg = g_strdup_printf ("stringbuilder marshalling conversion %d not implemented", encoding);
6281 MonoException *exc = mono_get_exception_not_implemented (msg);
6282 g_warning ("%s", msg);
6284 mono_raise_exception (exc);
6287 mono_mb_emit_stloc (mb, conv_arg);
6288 } else if (klass->blittable) {
6289 mono_mb_emit_byte (mb, CEE_LDNULL);
6290 mono_mb_emit_stloc (mb, conv_arg);
6292 mono_mb_emit_ldarg (mb, argnum);
6293 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6295 mono_mb_emit_ldarg (mb, argnum);
6296 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6297 mono_mb_emit_stloc (mb, conv_arg);
6299 mono_mb_patch_branch (mb, pos);
6302 mono_mb_emit_byte (mb, CEE_LDNULL);
6303 mono_mb_emit_stloc (mb, conv_arg);
6306 /* we dont need any conversions for out parameters */
6307 if (t->attrs & PARAM_ATTRIBUTE_OUT)
6310 mono_mb_emit_ldarg (mb, argnum);
6311 mono_mb_emit_byte (mb, CEE_LDIND_I);
6314 mono_mb_emit_ldarg (mb, argnum);
6315 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6316 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
6319 /* store the address of the source into local variable 0 */
6320 mono_mb_emit_stloc (mb, 0);
6321 mono_mb_emit_ldloc (mb, 0);
6322 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6324 /* allocate space for the native struct and store the address */
6325 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
6326 mono_mb_emit_byte (mb, CEE_PREFIX1);
6327 mono_mb_emit_byte (mb, CEE_LOCALLOC);
6328 mono_mb_emit_stloc (mb, conv_arg);
6331 /* Need to store the original buffer so we can free it later */
6332 m->orig_conv_args [argnum] = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6333 mono_mb_emit_ldloc (mb, conv_arg);
6334 mono_mb_emit_stloc (mb, m->orig_conv_args [argnum]);
6337 /* set the src_ptr */
6338 mono_mb_emit_ldloc (mb, 0);
6339 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6340 mono_mb_emit_stloc (mb, 0);
6343 mono_mb_emit_ldloc (mb, conv_arg);
6344 mono_mb_emit_stloc (mb, 1);
6346 /* emit valuetype conversion code */
6347 emit_struct_conv (mb, klass, FALSE);
6349 mono_mb_patch_branch (mb, pos);
6353 case MARSHAL_ACTION_CONV_OUT:
6354 if (klass == mono_defaults.stringbuilder_class) {
6356 MonoMarshalNative encoding;
6357 MonoMarshalConv conv;
6359 encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
6360 conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free);
6362 g_assert (encoding != -1);
6365 g_assert ((t->attrs & PARAM_ATTRIBUTE_OUT));
6369 mono_mb_emit_ldarg (mb, argnum);
6370 mono_mb_emit_ldloc (mb, conv_arg);
6373 case MONO_NATIVE_LPWSTR:
6374 mono_mb_emit_icall (mb, mono_string_utf16_to_builder2);
6376 case MONO_NATIVE_LPSTR:
6377 mono_mb_emit_icall (mb, mono_string_utf8_to_builder2);
6380 g_assert_not_reached ();
6383 mono_mb_emit_byte (mb, CEE_STIND_REF);
6385 mono_mb_emit_ldarg (mb, argnum);
6386 mono_mb_emit_ldloc (mb, conv_arg);
6388 mono_mb_emit_icall (mb, conv_to_icall (conv));
6392 mono_mb_emit_ldloc (mb, conv_arg);
6393 mono_mb_emit_icall (mb, mono_marshal_free);
6398 if (klass->delegate) {
6400 mono_mb_emit_ldarg (mb, argnum);
6401 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6402 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
6403 mono_mb_emit_ldloc (mb, conv_arg);
6404 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_FTN_DEL));
6405 mono_mb_emit_byte (mb, CEE_STIND_REF);
6410 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT)) {
6411 /* allocate a new object */
6412 mono_mb_emit_ldarg (mb, argnum);
6413 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6414 mono_mb_emit_op (mb, CEE_MONO_NEWOBJ, klass);
6415 mono_mb_emit_byte (mb, CEE_STIND_REF);
6418 /* dst = *argument */
6419 mono_mb_emit_ldarg (mb, argnum);
6422 mono_mb_emit_byte (mb, CEE_LDIND_I);
6424 mono_mb_emit_stloc (mb, 1);
6426 mono_mb_emit_ldloc (mb, 1);
6427 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6429 if (t->byref || (t->attrs & PARAM_ATTRIBUTE_OUT)) {
6430 mono_mb_emit_ldloc (mb, 1);
6431 mono_mb_emit_icon (mb, sizeof (MonoObject));
6432 mono_mb_emit_byte (mb, CEE_ADD);
6433 mono_mb_emit_stloc (mb, 1);
6435 /* src = tmp_locals [i] */
6436 mono_mb_emit_ldloc (mb, conv_arg);
6437 mono_mb_emit_stloc (mb, 0);
6439 /* emit valuetype conversion code */
6440 emit_struct_conv (mb, klass, TRUE);
6442 /* Free the structure returned by the native code */
6443 emit_struct_free (mb, klass, conv_arg);
6445 if (m->orig_conv_args [argnum]) {
6447 * If the native function changed the pointer, then free
6448 * the original structure plus the new pointer.
6450 mono_mb_emit_ldloc (mb, m->orig_conv_args [argnum]);
6451 mono_mb_emit_ldloc (mb, conv_arg);
6452 pos2 = mono_mb_emit_branch (mb, CEE_BEQ);
6454 if (!(t->attrs & PARAM_ATTRIBUTE_OUT)) {
6455 g_assert (m->orig_conv_args [argnum]);
6457 emit_struct_free (mb, klass, m->orig_conv_args [argnum]);
6460 mono_mb_emit_ldloc (mb, conv_arg);
6461 mono_mb_emit_icall (mb, g_free);
6463 mono_mb_patch_branch (mb, pos2);
6467 /* Free the original structure passed to native code */
6468 emit_struct_free (mb, klass, conv_arg);
6470 mono_mb_patch_branch (mb, pos);
6473 case MARSHAL_ACTION_PUSH:
6475 mono_mb_emit_ldloc_addr (mb, conv_arg);
6477 mono_mb_emit_ldloc (mb, conv_arg);
6480 case MARSHAL_ACTION_CONV_RESULT:
6481 if (klass->delegate) {
6482 g_assert (!t->byref);
6483 mono_mb_emit_stloc (mb, 0);
6484 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6485 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
6486 mono_mb_emit_ldloc (mb, 0);
6487 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_FTN_DEL));
6488 mono_mb_emit_stloc (mb, 3);
6491 mono_mb_emit_stloc (mb, 0);
6493 /* Make a copy since emit_conv modifies local 0 */
6494 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6495 mono_mb_emit_ldloc (mb, 0);
6496 mono_mb_emit_stloc (mb, loc);
6498 mono_mb_emit_byte (mb, CEE_LDNULL);
6499 mono_mb_emit_stloc (mb, 3);
6501 mono_mb_emit_ldloc (mb, 0);
6502 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6504 /* allocate result object */
6506 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6507 mono_mb_emit_op (mb, CEE_MONO_NEWOBJ, klass);
6508 mono_mb_emit_stloc (mb, 3);
6512 mono_mb_emit_ldloc (mb, 3);
6513 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6514 mono_mb_emit_stloc (mb, 1);
6516 /* emit conversion code */
6517 emit_struct_conv (mb, klass, TRUE);
6519 emit_struct_free (mb, klass, loc);
6521 /* Free the pointer allocated by unmanaged code */
6522 mono_mb_emit_ldloc (mb, loc);
6523 mono_mb_emit_icall (mb, g_free);
6524 mono_mb_patch_branch (mb, pos);
6528 case MARSHAL_ACTION_MANAGED_CONV_IN:
6529 conv_arg = mono_mb_add_local (mb, &klass->byval_arg);
6531 if (klass->delegate) {
6532 g_assert (!t->byref);
6533 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6534 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
6535 mono_mb_emit_ldarg (mb, argnum);
6536 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_FTN_DEL));
6537 mono_mb_emit_stloc (mb, conv_arg);
6541 if (klass == mono_defaults.stringbuilder_class) {
6542 MonoMarshalNative encoding;
6544 encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
6547 g_assert (encoding == MONO_NATIVE_LPSTR);
6549 g_assert (!t->byref);
6550 g_assert (encoding != -1);
6552 mono_mb_emit_ldarg (mb, argnum);
6553 mono_mb_emit_icall (mb, mono_string_utf8_to_builder2);
6554 mono_mb_emit_stloc (mb, conv_arg);
6558 /* The class can not have an automatic layout */
6559 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
6560 mono_mb_emit_auto_layout_exception (mb, klass);
6564 if (t->attrs & PARAM_ATTRIBUTE_OUT) {
6565 mono_mb_emit_byte (mb, CEE_LDNULL);
6566 mono_mb_emit_stloc (mb, conv_arg);
6571 mono_mb_emit_ldarg (mb, argnum);
6575 /* Check for NULL and raise an exception */
6576 pos2 = mono_mb_emit_branch (mb, CEE_BRTRUE);
6578 mono_mb_emit_exception (mb, "ArgumentNullException", NULL);
6580 mono_mb_patch_branch (mb, pos2);
6581 mono_mb_emit_ldarg (mb, argnum);
6582 mono_mb_emit_byte (mb, CEE_LDIND_I);
6585 mono_mb_emit_stloc (mb, 0);
6587 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
6588 mono_mb_emit_stloc (mb, conv_arg);
6590 mono_mb_emit_ldloc (mb, 0);
6591 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6593 /* Create and set dst */
6594 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6595 mono_mb_emit_op (mb, CEE_MONO_NEWOBJ, klass);
6596 mono_mb_emit_stloc (mb, conv_arg);
6597 mono_mb_emit_ldloc (mb, conv_arg);
6598 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6599 mono_mb_emit_stloc (mb, 1);
6601 /* emit valuetype conversion code */
6602 emit_struct_conv (mb, klass, TRUE);
6604 mono_mb_patch_branch (mb, pos);
6607 case MARSHAL_ACTION_MANAGED_CONV_OUT:
6609 /* Check for null */
6610 mono_mb_emit_ldloc (mb, conv_arg);
6611 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
6612 mono_mb_emit_ldarg (mb, argnum);
6613 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
6614 mono_mb_emit_byte (mb, CEE_STIND_REF);
6615 pos2 = mono_mb_emit_branch (mb, CEE_BR);
6617 mono_mb_patch_branch (mb, pos);
6620 mono_mb_emit_ldloc (mb, conv_arg);
6621 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6622 mono_mb_emit_stloc (mb, 0);
6624 /* Allocate and set dest */
6625 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
6626 mono_mb_emit_byte (mb, CEE_CONV_I);
6627 mono_mb_emit_icall (mb, mono_marshal_alloc);
6628 mono_mb_emit_stloc (mb, 1);
6630 /* Update argument pointer */
6631 mono_mb_emit_ldarg (mb, argnum);
6632 mono_mb_emit_ldloc (mb, 1);
6633 mono_mb_emit_byte (mb, CEE_STIND_I);
6635 /* emit valuetype conversion code */
6636 emit_struct_conv (mb, klass, FALSE);
6638 mono_mb_patch_branch (mb, pos2);
6640 /* byval [Out] marshalling */
6642 /* FIXME: Handle null */
6645 mono_mb_emit_ldloc (mb, conv_arg);
6646 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6647 mono_mb_emit_stloc (mb, 0);
6650 mono_mb_emit_ldarg (mb, argnum);
6651 mono_mb_emit_stloc (mb, 1);
6653 /* emit valuetype conversion code */
6654 emit_struct_conv (mb, klass, FALSE);
6658 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
6659 if (klass->delegate) {
6660 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_DEL_FTN));
6661 mono_mb_emit_stloc (mb, 3);
6665 /* The class can not have an automatic layout */
6666 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
6667 mono_mb_emit_auto_layout_exception (mb, klass);
6671 mono_mb_emit_stloc (mb, 0);
6672 /* Check for null */
6673 mono_mb_emit_ldloc (mb, 0);
6674 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
6675 mono_mb_emit_byte (mb, CEE_LDNULL);
6676 mono_mb_emit_stloc (mb, 3);
6677 pos2 = mono_mb_emit_branch (mb, CEE_BR);
6679 mono_mb_patch_branch (mb, pos);
6682 mono_mb_emit_ldloc (mb, 0);
6683 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6684 mono_mb_emit_stloc (mb, 0);
6686 /* Allocate and set dest */
6687 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
6688 mono_mb_emit_byte (mb, CEE_CONV_I);
6689 mono_mb_emit_icall (mb, mono_marshal_alloc);
6690 mono_mb_emit_byte (mb, CEE_DUP);
6691 mono_mb_emit_stloc (mb, 1);
6692 mono_mb_emit_stloc (mb, 3);
6694 emit_struct_conv (mb, klass, FALSE);
6696 mono_mb_patch_branch (mb, pos2);
6700 g_assert_not_reached ();
6707 emit_marshal_variant (EmitMarshalContext *m, int argnum, MonoType *t,
6708 MonoMarshalSpec *spec,
6709 int conv_arg, MonoType **conv_arg_type,
6710 MarshalAction action)
6712 MonoMethodBuilder *mb = m->mb;
6713 static MonoMethod *get_object_for_native_variant = NULL;
6714 static MonoMethod *get_native_variant_for_object = NULL;
6716 mono_init_com_types ();
6718 if (!get_object_for_native_variant)
6719 get_object_for_native_variant = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetObjectForNativeVariant", 1);
6720 g_assert (get_object_for_native_variant);
6722 if (!get_native_variant_for_object)
6723 get_native_variant_for_object = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetNativeVariantForObject", 2);
6724 g_assert (get_native_variant_for_object);
6727 case MARSHAL_ACTION_CONV_IN: {
6728 conv_arg = mono_mb_add_local (mb, &mono_defaults.variant_class->byval_arg);
6731 *conv_arg_type = &mono_defaults.variant_class->this_arg;
6733 *conv_arg_type = &mono_defaults.variant_class->byval_arg;
6735 if (t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && t->attrs & PARAM_ATTRIBUTE_OUT)
6738 mono_mb_emit_ldarg (mb, argnum);
6740 mono_mb_emit_byte(mb, CEE_LDIND_REF);
6741 mono_mb_emit_ldloc_addr (mb, conv_arg);
6742 mono_mb_emit_managed_call (mb, get_native_variant_for_object, NULL);
6746 case MARSHAL_ACTION_CONV_OUT: {
6747 static MonoMethod *variant_clear = NULL;
6750 variant_clear = mono_class_get_method_from_name (mono_defaults.variant_class, "Clear", 0);
6751 g_assert (variant_clear);
6754 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT || !(t->attrs & PARAM_ATTRIBUTE_IN))) {
6755 mono_mb_emit_ldarg (mb, argnum);
6756 mono_mb_emit_ldloc_addr (mb, conv_arg);
6757 mono_mb_emit_managed_call (mb, get_object_for_native_variant, NULL);
6758 mono_mb_emit_byte (mb, CEE_STIND_REF);
6761 mono_mb_emit_ldloc_addr (mb, conv_arg);
6762 mono_mb_emit_managed_call (mb, variant_clear, NULL);
6766 case MARSHAL_ACTION_PUSH:
6768 mono_mb_emit_ldloc_addr (mb, conv_arg);
6770 mono_mb_emit_ldloc (mb, conv_arg);
6773 case MARSHAL_ACTION_CONV_RESULT: {
6774 char *msg = g_strdup ("Marshalling of VARIANT not supported as a return type.");
6775 mono_mb_emit_exception_marshal_directive (mb, msg);
6779 case MARSHAL_ACTION_MANAGED_CONV_IN: {
6780 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
6783 *conv_arg_type = &mono_defaults.variant_class->this_arg;
6785 *conv_arg_type = &mono_defaults.variant_class->byval_arg;
6787 if (t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && t->attrs & PARAM_ATTRIBUTE_OUT)
6791 mono_mb_emit_ldarg (mb, argnum);
6793 mono_mb_emit_ldarg_addr (mb, argnum);
6794 mono_mb_emit_managed_call (mb, get_object_for_native_variant, NULL);
6795 mono_mb_emit_stloc (mb, conv_arg);
6799 case MARSHAL_ACTION_MANAGED_CONV_OUT: {
6800 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT || !(t->attrs & PARAM_ATTRIBUTE_IN))) {
6801 mono_mb_emit_ldloc (mb, conv_arg);
6802 mono_mb_emit_ldarg (mb, argnum);
6803 mono_mb_emit_managed_call (mb, get_native_variant_for_object, NULL);
6808 case MARSHAL_ACTION_MANAGED_CONV_RESULT: {
6809 char *msg = g_strdup ("Marshalling of VARIANT not supported as a return type.");
6810 mono_mb_emit_exception_marshal_directive (mb, msg);
6815 g_assert_not_reached ();
6822 emit_marshal_array (EmitMarshalContext *m, int argnum, MonoType *t,
6823 MonoMarshalSpec *spec,
6824 int conv_arg, MonoType **conv_arg_type,
6825 MarshalAction action)
6827 MonoMethodBuilder *mb = m->mb;
6828 MonoClass *klass = mono_class_from_mono_type (t);
6829 gboolean need_convert, need_free;
6830 MonoMarshalNative encoding;
6832 encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
6835 case MARSHAL_ACTION_CONV_IN:
6836 *conv_arg_type = &mono_defaults.object_class->byval_arg;
6837 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
6839 if (klass->element_class->blittable) {
6840 mono_mb_emit_ldarg (mb, argnum);
6842 mono_mb_emit_byte (mb, CEE_LDIND_I);
6843 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_ARRAY_LPARRAY));
6844 mono_mb_emit_stloc (mb, conv_arg);
6847 guint32 label1, label2, label3;
6848 int index_var, src_var, dest_ptr, esize;
6849 MonoMarshalConv conv;
6850 gboolean is_string = FALSE;
6852 dest_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6854 eklass = klass->element_class;
6856 if (eklass == mono_defaults.string_class) {
6858 conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
6860 else if (eklass == mono_defaults.stringbuilder_class) {
6862 conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
6867 src_var = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
6868 mono_mb_emit_ldarg (mb, argnum);
6870 mono_mb_emit_byte (mb, CEE_LDIND_I);
6871 mono_mb_emit_stloc (mb, src_var);
6874 mono_mb_emit_ldloc (mb, src_var);
6875 mono_mb_emit_stloc (mb, conv_arg);
6876 mono_mb_emit_ldloc (mb, src_var);
6877 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6881 char *msg = g_strdup_printf ("string/stringbuilder marshalling conversion %d not implemented", encoding);
6882 MonoException *exc = mono_get_exception_not_implemented (msg);
6883 g_warning ("%s", msg);
6885 mono_raise_exception (exc);
6890 esize = sizeof (gpointer);
6892 esize = mono_class_native_size (eklass, NULL);
6894 /* allocate space for the native struct and store the address */
6895 mono_mb_emit_icon (mb, esize);
6896 mono_mb_emit_ldloc (mb, src_var);
6897 mono_mb_emit_byte (mb, CEE_LDLEN);
6899 if (eklass == mono_defaults.string_class) {
6900 /* Make the array bigger for the terminating null */
6901 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
6902 mono_mb_emit_byte (mb, CEE_ADD);
6904 mono_mb_emit_byte (mb, CEE_MUL);
6905 mono_mb_emit_byte (mb, CEE_PREFIX1);
6906 mono_mb_emit_byte (mb, CEE_LOCALLOC);
6907 mono_mb_emit_stloc (mb, conv_arg);
6909 mono_mb_emit_ldloc (mb, conv_arg);
6910 mono_mb_emit_stloc (mb, dest_ptr);
6912 /* Emit marshalling loop */
6913 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6914 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
6915 mono_mb_emit_stloc (mb, index_var);
6916 label2 = mono_mb_get_label (mb);
6917 mono_mb_emit_ldloc (mb, index_var);
6918 mono_mb_emit_ldloc (mb, src_var);
6919 mono_mb_emit_byte (mb, CEE_LDLEN);
6920 label3 = mono_mb_emit_branch (mb, CEE_BGE);
6922 /* Emit marshalling code */
6925 mono_mb_emit_ldloc (mb, dest_ptr);
6926 mono_mb_emit_ldloc (mb, src_var);
6927 mono_mb_emit_ldloc (mb, index_var);
6928 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
6929 mono_mb_emit_icall (mb, conv_to_icall (conv));
6930 mono_mb_emit_byte (mb, CEE_STIND_I);
6932 /* set the src_ptr */
6933 mono_mb_emit_ldloc (mb, src_var);
6934 mono_mb_emit_ldloc (mb, index_var);
6935 mono_mb_emit_op (mb, CEE_LDELEMA, eklass);
6936 mono_mb_emit_stloc (mb, 0);
6939 mono_mb_emit_ldloc (mb, dest_ptr);
6940 mono_mb_emit_stloc (mb, 1);
6942 /* emit valuetype conversion code */
6943 emit_struct_conv (mb, eklass, FALSE);
6946 mono_mb_emit_add_to_local (mb, index_var, 1);
6947 mono_mb_emit_add_to_local (mb, dest_ptr, esize);
6949 mono_mb_emit_branch_label (mb, CEE_BR, label2);
6951 mono_mb_patch_branch (mb, label3);
6953 if (eklass == mono_defaults.string_class) {
6954 /* Null terminate */
6955 mono_mb_emit_ldloc (mb, dest_ptr);
6956 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
6957 mono_mb_emit_byte (mb, CEE_STIND_REF);
6960 mono_mb_patch_branch (mb, label1);
6965 case MARSHAL_ACTION_CONV_OUT:
6966 /* Unicode character arrays are implicitly marshalled as [Out] under MS.NET */
6967 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);
6968 need_free = mono_marshal_need_free (&klass->element_class->byval_arg,
6971 if (need_convert || need_free) {
6972 /* FIXME: Optimize blittable case */
6974 guint32 label1, label2, label3;
6975 int index_var, src_ptr, loc, esize;
6977 eklass = klass->element_class;
6978 if ((eklass == mono_defaults.stringbuilder_class) || (eklass == mono_defaults.string_class))
6979 esize = sizeof (gpointer);
6981 esize = mono_class_native_size (eklass, NULL);
6982 src_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6983 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6986 mono_mb_emit_ldarg (mb, argnum);
6988 mono_mb_emit_byte (mb, CEE_LDIND_I);
6989 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6991 mono_mb_emit_ldloc (mb, conv_arg);
6992 mono_mb_emit_stloc (mb, src_ptr);
6994 /* Emit marshalling loop */
6995 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6996 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
6997 mono_mb_emit_stloc (mb, index_var);
6998 label2 = mono_mb_get_label (mb);
6999 mono_mb_emit_ldloc (mb, index_var);
7000 mono_mb_emit_ldarg (mb, argnum);
7002 mono_mb_emit_byte (mb, CEE_LDIND_REF);
7003 mono_mb_emit_byte (mb, CEE_LDLEN);
7004 label3 = mono_mb_emit_branch (mb, CEE_BGE);
7006 /* Emit marshalling code */
7008 if (eklass == mono_defaults.stringbuilder_class) {
7009 gboolean need_free2;
7010 MonoMarshalConv conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free2);
7012 g_assert (conv != -1);
7015 mono_mb_emit_ldarg (mb, argnum);
7017 mono_mb_emit_byte (mb, CEE_LDIND_I);
7018 mono_mb_emit_ldloc (mb, index_var);
7019 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
7022 mono_mb_emit_ldloc (mb, src_ptr);
7023 mono_mb_emit_byte (mb, CEE_LDIND_I);
7025 mono_mb_emit_icall (mb, conv_to_icall (conv));
7029 mono_mb_emit_ldloc (mb, src_ptr);
7030 mono_mb_emit_byte (mb, CEE_LDIND_I);
7032 mono_mb_emit_icall (mb, mono_marshal_free);
7035 else if (eklass == mono_defaults.string_class) {
7038 mono_mb_emit_ldloc (mb, src_ptr);
7039 mono_mb_emit_byte (mb, CEE_LDIND_I);
7041 mono_mb_emit_icall (mb, mono_marshal_free);
7046 /* set the src_ptr */
7047 mono_mb_emit_ldloc (mb, src_ptr);
7048 mono_mb_emit_stloc (mb, 0);
7051 mono_mb_emit_ldarg (mb, argnum);
7053 mono_mb_emit_byte (mb, CEE_LDIND_REF);
7054 mono_mb_emit_ldloc (mb, index_var);
7055 mono_mb_emit_op (mb, CEE_LDELEMA, eklass);
7056 mono_mb_emit_stloc (mb, 1);
7058 /* emit valuetype conversion code */
7059 emit_struct_conv (mb, eklass, TRUE);
7063 mono_mb_emit_ldloc (mb, src_ptr);
7064 mono_mb_emit_stloc (mb, loc);
7065 mono_mb_emit_ldloc (mb, loc);
7067 emit_struct_free (mb, eklass, loc);
7071 mono_mb_emit_add_to_local (mb, index_var, 1);
7072 mono_mb_emit_add_to_local (mb, src_ptr, esize);
7074 mono_mb_emit_branch_label (mb, CEE_BR, label2);
7076 mono_mb_patch_branch (mb, label1);
7077 mono_mb_patch_branch (mb, label3);
7080 if (klass->element_class->blittable) {
7081 /* free memory allocated (if any) by MONO_MARSHAL_CONV_ARRAY_LPARRAY */
7083 mono_mb_emit_ldarg (mb, argnum);
7084 mono_mb_emit_ldloc (mb, conv_arg);
7085 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_FREE_LPARRAY));
7090 case MARSHAL_ACTION_PUSH:
7092 mono_mb_emit_ldloc_addr (mb, conv_arg);
7094 mono_mb_emit_ldloc (mb, conv_arg);
7097 case MARSHAL_ACTION_CONV_RESULT:
7098 /* fixme: we need conversions here */
7099 mono_mb_emit_stloc (mb, 3);
7102 case MARSHAL_ACTION_MANAGED_CONV_IN: {
7104 guint32 label1, label2, label3;
7105 int index_var, src_ptr, loc, esize, param_num, num_elem;
7106 MonoMarshalConv conv;
7107 gboolean is_string = FALSE;
7109 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
7110 *conv_arg_type = &mono_defaults.int_class->byval_arg;
7113 char *msg = g_strdup ("Byref array marshalling to managed code is not implemented.");
7114 mono_mb_emit_exception_marshal_directive (mb, msg);
7118 char *msg = g_strdup ("[MarshalAs] attribute required to marshal arrays to managed code.");
7119 mono_mb_emit_exception_marshal_directive (mb, msg);
7122 if (spec->native != MONO_NATIVE_LPARRAY) {
7123 char *msg = g_strdup ("Non LPArray marshalling of arrays to managed code is not implemented.");
7124 mono_mb_emit_exception_marshal_directive (mb, msg);
7128 /* FIXME: t is from the method which is wrapped, not the delegate type */
7129 /* g_assert (t->attrs & PARAM_ATTRIBUTE_IN); */
7131 param_num = spec->data.array_data.param_num;
7132 num_elem = spec->data.array_data.num_elem;
7133 if (spec->data.array_data.elem_mult == 0)
7134 /* param_num is not specified */
7137 if (param_num == -1) {
7138 if (num_elem <= 0) {
7139 char *msg = g_strdup ("Either SizeConst or SizeParamIndex should be specified when marshalling arrays to managed code.");
7140 mono_mb_emit_exception_marshal_directive (mb, msg);
7145 /* FIXME: Optimize blittable case */
7147 eklass = klass->element_class;
7148 if (eklass == mono_defaults.string_class) {
7150 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
7152 else if (eklass == mono_defaults.stringbuilder_class) {
7154 conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free);
7159 mono_marshal_load_type_info (eklass);
7162 esize = sizeof (gpointer);
7164 esize = mono_class_native_size (eklass, NULL);
7165 src_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7166 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7168 mono_mb_emit_byte (mb, CEE_LDNULL);
7169 mono_mb_emit_stloc (mb, conv_arg);
7171 /* Check param index */
7172 if (param_num != -1) {
7173 if (param_num >= m->sig->param_count) {
7174 char *msg = g_strdup ("Array size control parameter index is out of range.");
7175 mono_mb_emit_exception_marshal_directive (mb, msg);
7178 switch (m->sig->params [param_num]->type) {
7191 char *msg = g_strdup ("Array size control parameter must be an integral type.");
7192 mono_mb_emit_exception_marshal_directive (mb, msg);
7199 mono_mb_emit_ldarg (mb, argnum);
7200 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
7202 mono_mb_emit_ldarg (mb, argnum);
7203 mono_mb_emit_stloc (mb, src_ptr);
7205 /* Create managed array */
7207 * The LPArray marshalling spec says that sometimes param_num starts
7208 * from 1, sometimes it starts from 0. But MS seems to allways start
7212 if (param_num == -1) {
7213 mono_mb_emit_icon (mb, num_elem);
7215 mono_mb_emit_ldarg (mb, param_num);
7217 mono_mb_emit_icon (mb, num_elem);
7218 mono_mb_emit_byte (mb, CEE_ADD);
7220 mono_mb_emit_byte (mb, CEE_CONV_OVF_I);
7223 mono_mb_emit_op (mb, CEE_NEWARR, eklass);
7224 mono_mb_emit_stloc (mb, conv_arg);
7226 if (eklass->blittable) {
7227 mono_mb_emit_ldloc (mb, conv_arg);
7228 mono_mb_emit_byte (mb, CEE_CONV_I);
7229 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArray, vector));
7230 mono_mb_emit_byte (mb, CEE_ADD);
7231 mono_mb_emit_ldarg (mb, argnum);
7232 mono_mb_emit_ldloc (mb, conv_arg);
7233 mono_mb_emit_byte (mb, CEE_LDLEN);
7234 mono_mb_emit_icon (mb, esize);
7235 mono_mb_emit_byte (mb, CEE_MUL);
7236 mono_mb_emit_byte (mb, CEE_PREFIX1);
7237 mono_mb_emit_byte (mb, CEE_CPBLK);
7241 /* Emit marshalling loop */
7242 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7243 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7244 mono_mb_emit_stloc (mb, index_var);
7245 label2 = mono_mb_get_label (mb);
7246 mono_mb_emit_ldloc (mb, index_var);
7247 mono_mb_emit_ldloc (mb, conv_arg);
7248 mono_mb_emit_byte (mb, CEE_LDLEN);
7249 label3 = mono_mb_emit_branch (mb, CEE_BGE);
7251 /* Emit marshalling code */
7253 g_assert (conv != -1);
7255 mono_mb_emit_ldloc (mb, conv_arg);
7256 mono_mb_emit_ldloc (mb, index_var);
7258 mono_mb_emit_ldloc (mb, src_ptr);
7259 mono_mb_emit_byte (mb, CEE_LDIND_I);
7261 mono_mb_emit_icall (mb, conv_to_icall (conv));
7262 mono_mb_emit_byte (mb, CEE_STELEM_REF);
7265 char *msg = g_strdup ("Marshalling of non-string and non-blittable arrays to managed code is not implemented.");
7266 mono_mb_emit_exception_marshal_directive (mb, msg);
7270 mono_mb_emit_add_to_local (mb, index_var, 1);
7271 mono_mb_emit_add_to_local (mb, src_ptr, esize);
7273 mono_mb_emit_branch_label (mb, CEE_BR, label2);
7275 mono_mb_patch_branch (mb, label1);
7276 mono_mb_patch_branch (mb, label3);
7280 case MARSHAL_ACTION_MANAGED_CONV_OUT: {
7282 guint32 label1, label2, label3;
7283 int index_var, dest_ptr, loc, esize, param_num, num_elem;
7284 MonoMarshalConv conv;
7285 gboolean is_string = FALSE;
7288 /* Already handled in CONV_IN */
7291 /* These are already checked in CONV_IN */
7292 g_assert (!t->byref);
7293 g_assert (spec->native == MONO_NATIVE_LPARRAY);
7294 g_assert (t->attrs & PARAM_ATTRIBUTE_OUT);
7296 param_num = spec->data.array_data.param_num;
7297 num_elem = spec->data.array_data.num_elem;
7299 if (spec->data.array_data.elem_mult == 0)
7300 /* param_num is not specified */
7303 if (param_num == -1) {
7304 if (num_elem <= 0) {
7305 g_assert_not_reached ();
7309 /* FIXME: Optimize blittable case */
7311 eklass = klass->element_class;
7312 if (eklass == mono_defaults.string_class) {
7314 conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
7316 else if (eklass == mono_defaults.stringbuilder_class) {
7318 conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
7323 mono_marshal_load_type_info (eklass);
7326 esize = sizeof (gpointer);
7328 esize = mono_class_native_size (eklass, NULL);
7330 dest_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7331 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7334 mono_mb_emit_ldloc (mb, conv_arg);
7335 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
7337 mono_mb_emit_ldarg (mb, argnum);
7338 mono_mb_emit_stloc (mb, dest_ptr);
7340 if (eklass->blittable) {
7342 mono_mb_emit_ldarg (mb, argnum);
7344 mono_mb_emit_ldloc (mb, conv_arg);
7345 mono_mb_emit_byte (mb, CEE_CONV_I);
7346 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArray, vector));
7347 mono_mb_emit_byte (mb, CEE_ADD);
7349 mono_mb_emit_ldloc (mb, conv_arg);
7350 mono_mb_emit_byte (mb, CEE_LDLEN);
7351 mono_mb_emit_icon (mb, esize);
7352 mono_mb_emit_byte (mb, CEE_MUL);
7353 mono_mb_emit_byte (mb, CEE_PREFIX1);
7354 mono_mb_emit_byte (mb, CEE_CPBLK);
7358 /* Emit marshalling loop */
7359 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7360 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7361 mono_mb_emit_stloc (mb, index_var);
7362 label2 = mono_mb_get_label (mb);
7363 mono_mb_emit_ldloc (mb, index_var);
7364 mono_mb_emit_ldloc (mb, conv_arg);
7365 mono_mb_emit_byte (mb, CEE_LDLEN);
7366 label3 = mono_mb_emit_branch (mb, CEE_BGE);
7368 /* Emit marshalling code */
7370 g_assert (conv != -1);
7373 mono_mb_emit_ldloc (mb, dest_ptr);
7376 mono_mb_emit_ldloc (mb, conv_arg);
7377 mono_mb_emit_ldloc (mb, index_var);
7379 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
7381 mono_mb_emit_icall (mb, conv_to_icall (conv));
7382 mono_mb_emit_byte (mb, CEE_STIND_I);
7385 char *msg = g_strdup ("Marshalling of non-string and non-blittable arrays to managed code is not implemented.");
7386 mono_mb_emit_exception_marshal_directive (mb, msg);
7390 mono_mb_emit_add_to_local (mb, index_var, 1);
7391 mono_mb_emit_add_to_local (mb, dest_ptr, esize);
7393 mono_mb_emit_branch_label (mb, CEE_BR, label2);
7395 mono_mb_patch_branch (mb, label1);
7396 mono_mb_patch_branch (mb, label3);
7400 case MARSHAL_ACTION_MANAGED_CONV_RESULT: {
7402 guint32 label1, label2, label3;
7403 int index_var, src, dest, esize;
7404 MonoMarshalConv conv = -1;
7405 gboolean is_string = FALSE;
7407 g_assert (!t->byref);
7409 eklass = klass->element_class;
7411 mono_marshal_load_type_info (eklass);
7413 if (eklass == mono_defaults.string_class) {
7415 conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
7418 g_assert_not_reached ();
7422 esize = sizeof (gpointer);
7424 esize = mono_class_native_size (eklass, NULL);
7426 src = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
7427 dest = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7429 mono_mb_emit_stloc (mb, src);
7430 mono_mb_emit_ldloc (mb, src);
7431 mono_mb_emit_stloc (mb, 3);
7433 /* Check for null */
7434 mono_mb_emit_ldloc (mb, src);
7435 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
7437 /* Allocate native array */
7438 mono_mb_emit_icon (mb, esize);
7439 mono_mb_emit_ldloc (mb, src);
7440 mono_mb_emit_byte (mb, CEE_LDLEN);
7442 if (eklass == mono_defaults.string_class) {
7443 /* Make the array bigger for the terminating null */
7444 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
7445 mono_mb_emit_byte (mb, CEE_ADD);
7447 mono_mb_emit_byte (mb, CEE_MUL);
7448 mono_mb_emit_icall (mb, mono_marshal_alloc);
7449 mono_mb_emit_stloc (mb, dest);
7450 mono_mb_emit_ldloc (mb, dest);
7451 mono_mb_emit_stloc (mb, 3);
7453 /* Emit marshalling loop */
7454 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7455 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7456 mono_mb_emit_stloc (mb, index_var);
7457 label2 = mono_mb_get_label (mb);
7458 mono_mb_emit_ldloc (mb, index_var);
7459 mono_mb_emit_ldloc (mb, src);
7460 mono_mb_emit_byte (mb, CEE_LDLEN);
7461 label3 = mono_mb_emit_branch (mb, CEE_BGE);
7463 /* Emit marshalling code */
7465 g_assert (conv != -1);
7468 mono_mb_emit_ldloc (mb, dest);
7471 mono_mb_emit_ldloc (mb, src);
7472 mono_mb_emit_ldloc (mb, index_var);
7474 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
7476 mono_mb_emit_icall (mb, conv_to_icall (conv));
7477 mono_mb_emit_byte (mb, CEE_STIND_I);
7480 char *msg = g_strdup ("Marshalling of non-string arrays to managed code is not implemented.");
7481 mono_mb_emit_exception_marshal_directive (mb, msg);
7485 mono_mb_emit_add_to_local (mb, index_var, 1);
7486 mono_mb_emit_add_to_local (mb, dest, esize);
7488 mono_mb_emit_branch_label (mb, CEE_BR, label2);
7490 mono_mb_patch_branch (mb, label3);
7491 mono_mb_patch_branch (mb, label1);
7495 g_assert_not_reached ();
7502 emit_marshal_boolean (EmitMarshalContext *m, int argnum, MonoType *t,
7503 MonoMarshalSpec *spec,
7504 int conv_arg, MonoType **conv_arg_type,
7505 MarshalAction action)
7507 MonoMethodBuilder *mb = m->mb;
7510 case MARSHAL_ACTION_CONV_IN: {
7511 MonoType *local_type;
7513 guint8 ldc_op = CEE_LDC_I4_1;
7516 local_type = &mono_defaults.int32_class->byval_arg;
7518 switch (spec->native) {
7519 case MONO_NATIVE_I1:
7520 case MONO_NATIVE_U1:
7521 local_type = &mono_defaults.byte_class->byval_arg;
7523 case MONO_NATIVE_VARIANTBOOL:
7524 local_type = &mono_defaults.int16_class->byval_arg;
7525 ldc_op = CEE_LDC_I4_M1;
7527 case MONO_NATIVE_BOOLEAN:
7528 local_type = &mono_defaults.int32_class->byval_arg;
7531 g_warning ("marshalling bool as native type %x is currently not supported", spec->native);
7532 local_type = &mono_defaults.int32_class->byval_arg;
7537 *conv_arg_type = &mono_defaults.int_class->byval_arg;
7539 *conv_arg_type = local_type;
7540 conv_arg = mono_mb_add_local (mb, local_type);
7542 mono_mb_emit_ldarg (mb, argnum);
7544 mono_mb_emit_byte (mb, CEE_LDIND_I1);
7545 label_false = mono_mb_emit_branch (mb, CEE_BRFALSE);
7546 mono_mb_emit_byte (mb, ldc_op);
7547 mono_mb_emit_stloc (mb, conv_arg);
7548 mono_mb_patch_branch (mb, label_false);
7553 case MARSHAL_ACTION_CONV_OUT:
7555 int label_false, label_end;
7559 mono_mb_emit_ldarg (mb, argnum);
7560 mono_mb_emit_ldloc (mb, conv_arg);
7562 label_false = mono_mb_emit_branch (mb, CEE_BRFALSE);
7563 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
7565 label_end = mono_mb_emit_branch (mb, CEE_BR);
7566 mono_mb_patch_branch (mb, label_false);
7567 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7568 mono_mb_patch_branch (mb, label_end);
7570 mono_mb_emit_byte (mb, CEE_STIND_I1);
7574 case MARSHAL_ACTION_PUSH:
7576 mono_mb_emit_ldloc_addr (mb, conv_arg);
7578 mono_mb_emit_ldloc (mb, conv_arg);
7580 mono_mb_emit_ldarg (mb, argnum);
7583 case MARSHAL_ACTION_CONV_RESULT:
7584 /* maybe we need to make sure that it fits within 8 bits */
7585 mono_mb_emit_stloc (mb, 3);
7588 case MARSHAL_ACTION_MANAGED_CONV_IN: {
7589 MonoClass* conv_arg_class = mono_defaults.int32_class;
7590 guint8 ldop = CEE_LDIND_I4;
7591 int label_null, label_false;
7593 conv_arg = mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
7596 switch (spec->native) {
7597 case MONO_NATIVE_I1:
7598 case MONO_NATIVE_U1:
7599 conv_arg_class = mono_defaults.byte_class;
7600 ldop = CEE_LDIND_I1;
7602 case MONO_NATIVE_VARIANTBOOL:
7603 conv_arg_class = mono_defaults.int16_class;
7604 ldop = CEE_LDIND_I2;
7606 case MONO_NATIVE_BOOLEAN:
7609 g_warning ("marshalling bool as native type %x is currently not supported", spec->native);
7614 *conv_arg_type = &conv_arg_class->this_arg;
7616 *conv_arg_type = &conv_arg_class->byval_arg;
7619 mono_mb_emit_ldarg (mb, argnum);
7624 label_null = mono_mb_emit_branch (mb, CEE_BRFALSE);
7625 mono_mb_emit_ldarg (mb, argnum);
7626 mono_mb_emit_byte (mb, ldop);
7629 label_false = mono_mb_emit_branch (mb, CEE_BRFALSE);
7630 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
7631 mono_mb_emit_stloc (mb, conv_arg);
7632 mono_mb_patch_branch (mb, label_false);
7635 mono_mb_patch_branch (mb, label_null);
7639 case MARSHAL_ACTION_MANAGED_CONV_OUT: {
7640 guint8 stop = CEE_STIND_I4;
7641 guint8 ldc_op = CEE_LDC_I4_1;
7642 int label_null,label_false, label_end;;
7647 switch (spec->native) {
7648 case MONO_NATIVE_I1:
7649 case MONO_NATIVE_U1:
7650 stop = CEE_STIND_I1;
7652 case MONO_NATIVE_VARIANTBOOL:
7653 stop = CEE_STIND_I2;
7654 ldc_op = CEE_LDC_I4_M1;
7662 mono_mb_emit_ldarg (mb, argnum);
7663 label_null = mono_mb_emit_branch (mb, CEE_BRFALSE);
7665 mono_mb_emit_ldarg (mb, argnum);
7666 mono_mb_emit_ldloc (mb, conv_arg);
7668 label_false = mono_mb_emit_branch (mb, CEE_BRFALSE);
7669 mono_mb_emit_byte (mb, ldc_op);
7670 label_end = mono_mb_emit_branch (mb, CEE_BR);
7672 mono_mb_patch_branch (mb, label_false);
7673 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7674 mono_mb_patch_branch (mb, label_end);
7676 mono_mb_emit_byte (mb, stop);
7677 mono_mb_patch_branch (mb, label_null);
7682 g_assert_not_reached ();
7689 emit_marshal_ptr (EmitMarshalContext *m, int argnum, MonoType *t,
7690 MonoMarshalSpec *spec, int conv_arg,
7691 MonoType **conv_arg_type, MarshalAction action)
7693 MonoMethodBuilder *mb = m->mb;
7696 case MARSHAL_ACTION_CONV_IN:
7697 if (MONO_TYPE_ISSTRUCT (t->data.type) && !mono_class_from_mono_type (t->data.type)->blittable) {
7698 char *msg = g_strdup_printf ("Can not marshal 'parameter #%d': Pointers can not reference marshaled structures. Use byref instead.", argnum + 1);
7699 mono_mb_emit_exception_marshal_directive (m->mb, msg);
7703 case MARSHAL_ACTION_PUSH:
7704 mono_mb_emit_ldarg (mb, argnum);
7707 case MARSHAL_ACTION_CONV_RESULT:
7708 /* no conversions necessary */
7709 mono_mb_emit_stloc (mb, 3);
7720 emit_marshal_char (EmitMarshalContext *m, int argnum, MonoType *t,
7721 MonoMarshalSpec *spec, int conv_arg,
7722 MonoType **conv_arg_type, MarshalAction action)
7724 MonoMethodBuilder *mb = m->mb;
7727 case MARSHAL_ACTION_PUSH:
7728 /* fixme: dont know how to marshal that. We cant simply
7729 * convert it to a one byte UTF8 character, because an
7730 * unicode character may need more that one byte in UTF8 */
7731 mono_mb_emit_ldarg (mb, argnum);
7734 case MARSHAL_ACTION_CONV_RESULT:
7735 /* fixme: we need conversions here */
7736 mono_mb_emit_stloc (mb, 3);
7747 emit_marshal_scalar (EmitMarshalContext *m, int argnum, MonoType *t,
7748 MonoMarshalSpec *spec, int conv_arg,
7749 MonoType **conv_arg_type, MarshalAction action)
7751 MonoMethodBuilder *mb = m->mb;
7754 case MARSHAL_ACTION_PUSH:
7755 mono_mb_emit_ldarg (mb, argnum);
7758 case MARSHAL_ACTION_CONV_RESULT:
7759 /* no conversions necessary */
7760 mono_mb_emit_stloc (mb, 3);
7771 emit_marshal (EmitMarshalContext *m, int argnum, MonoType *t,
7772 MonoMarshalSpec *spec, int conv_arg,
7773 MonoType **conv_arg_type, MarshalAction action)
7775 /* Ensure that we have marshalling info for this param */
7776 mono_marshal_load_type_info (mono_class_from_mono_type (t));
7778 if (spec && spec->native == MONO_NATIVE_CUSTOM)
7779 return emit_marshal_custom (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7781 if (spec && spec->native == MONO_NATIVE_ASANY)
7782 return emit_marshal_asany (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7785 case MONO_TYPE_VALUETYPE:
7786 if (t->data.klass == mono_defaults.handleref_class)
7787 return emit_marshal_handleref (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7789 return emit_marshal_vtype (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7790 case MONO_TYPE_STRING:
7791 return emit_marshal_string (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7792 case MONO_TYPE_CLASS:
7793 case MONO_TYPE_OBJECT:
7794 if (spec && spec->native == MONO_NATIVE_STRUCT)
7795 return emit_marshal_variant (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7798 if (spec && (spec->native == MONO_NATIVE_IUNKNOWN ||
7799 spec->native == MONO_NATIVE_IDISPATCH ||
7800 spec->native == MONO_NATIVE_INTERFACE))
7801 return mono_cominterop_emit_marshal_com_interface (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7802 if (spec && (spec->native == MONO_NATIVE_SAFEARRAY) &&
7803 (spec->data.safearray_data.elem_type == MONO_VARIANT_VARIANT) &&
7804 ((action == MARSHAL_ACTION_CONV_OUT) || (action == MARSHAL_ACTION_CONV_IN) || (action == MARSHAL_ACTION_PUSH)))
7805 return mono_cominterop_emit_marshal_safearray (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7808 if (mono_defaults.safehandle_class != NULL && t->data.klass &&
7809 mono_class_is_subclass_of (t->data.klass, mono_defaults.safehandle_class, FALSE))
7810 return emit_marshal_safehandle (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7812 return emit_marshal_object (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7813 case MONO_TYPE_ARRAY:
7814 case MONO_TYPE_SZARRAY:
7815 return emit_marshal_array (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7816 case MONO_TYPE_BOOLEAN:
7817 return emit_marshal_boolean (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7819 return emit_marshal_ptr (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7820 case MONO_TYPE_CHAR:
7821 return emit_marshal_char (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7834 case MONO_TYPE_FNPTR:
7835 return emit_marshal_scalar (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7836 case MONO_TYPE_GENERICINST:
7837 if (mono_type_generic_inst_is_valuetype (t))
7838 return emit_marshal_vtype (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7840 return emit_marshal_object (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7847 * mono_marshal_emit_native_wrapper:
7848 * @image: the image to use for looking up custom marshallers
7849 * @sig: The signature of the native function
7850 * @piinfo: Marshalling information
7851 * @mspecs: Marshalling information
7852 * @aot: whenever the created method will be compiled by the AOT compiler
7853 * @method: if non-NULL, the pinvoke method to call
7854 * @check_exceptions: Whenever to check for pending exceptions after the native call
7856 * generates IL code for the pinvoke wrapper, the generated code calls @func.
7859 mono_marshal_emit_native_wrapper (MonoImage *image, MonoMethodBuilder *mb, MonoMethodSignature *sig, MonoMethodPInvoke *piinfo, MonoMarshalSpec **mspecs, gpointer func, gboolean aot, gboolean check_exceptions)
7861 EmitMarshalContext m;
7862 MonoMethodSignature *csig;
7864 int i, argnum, *tmp_locals;
7866 static MonoMethodSignature *get_last_error_sig = NULL;
7871 /* we copy the signature, so that we can set pinvoke to 0 */
7872 csig = signature_dup (mb->method->klass->image, sig);
7877 /* we allocate local for use with emit_struct_conv() */
7878 /* allocate local 0 (pointer) src_ptr */
7879 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7880 /* allocate local 1 (pointer) dst_ptr */
7881 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7882 /* allocate local 2 (boolean) delete_old */
7883 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
7885 /* delete_old = FALSE */
7886 mono_mb_emit_icon (mb, 0);
7887 mono_mb_emit_stloc (mb, 2);
7889 if (!MONO_TYPE_IS_VOID(sig->ret)) {
7890 /* allocate local 3 to store the return value */
7891 mono_mb_add_local (mb, sig->ret);
7894 if (mspecs [0] && mspecs [0]->native == MONO_NATIVE_CUSTOM) {
7895 /* Return type custom marshaling */
7897 * Since we can't determine the return type of the unmanaged function,
7898 * we assume it returns a pointer, and pass that pointer to
7899 * MarshalNativeToManaged.
7901 csig->ret = &mono_defaults.int_class->byval_arg;
7904 /* we first do all conversions */
7905 tmp_locals = alloca (sizeof (int) * sig->param_count);
7906 m.orig_conv_args = alloca (sizeof (int) * (sig->param_count + 1));
7908 for (i = 0; i < sig->param_count; i ++) {
7909 tmp_locals [i] = emit_marshal (&m, i + sig->hasthis, sig->params [i], mspecs [i + 1], 0, &csig->params [i], MARSHAL_ACTION_CONV_IN);
7912 /* push all arguments */
7915 mono_mb_emit_byte (mb, CEE_LDARG_0);
7917 for (i = 0; i < sig->param_count; i++) {
7918 emit_marshal (&m, i + sig->hasthis, sig->params [i], mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_PUSH);
7921 /* call the native method */
7922 if (MONO_CLASS_IS_IMPORT (mb->method->klass)) {
7924 mono_mb_emit_cominterop_call (mb, csig, &piinfo->method);
7926 g_assert_not_reached ();
7931 /* Reuse the ICALL_ADDR opcode for pinvokes too */
7932 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
7933 mono_mb_emit_op (mb, CEE_MONO_ICALL_ADDR, &piinfo->method);
7934 mono_mb_emit_calli (mb, csig);
7936 mono_mb_emit_native_call (mb, csig, func);
7940 /* Set LastError if needed */
7941 if (piinfo->piflags & PINVOKE_ATTRIBUTE_SUPPORTS_LAST_ERROR) {
7942 if (!get_last_error_sig) {
7943 get_last_error_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
7944 get_last_error_sig->ret = &mono_defaults.int_class->byval_arg;
7945 get_last_error_sig->pinvoke = 1;
7950 * Have to call GetLastError () early and without a wrapper, since various runtime components could
7951 * clobber its value.
7953 mono_mb_emit_native_call (mb, get_last_error_sig, GetLastError);
7954 mono_mb_emit_icall (mb, mono_marshal_set_last_error_windows);
7956 mono_mb_emit_icall (mb, mono_marshal_set_last_error);
7960 /* convert the result */
7961 if (!sig->ret->byref) {
7962 MonoMarshalSpec *spec = mspecs [0];
7963 type = sig->ret->type;
7965 if (spec && spec->native == MONO_NATIVE_CUSTOM) {
7966 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
7971 case MONO_TYPE_VOID:
7973 case MONO_TYPE_VALUETYPE:
7974 klass = sig->ret->data.klass;
7975 if (klass->enumtype) {
7976 type = mono_class_enum_basetype (sig->ret->data.klass)->type;
7979 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
7993 case MONO_TYPE_FNPTR:
7994 case MONO_TYPE_STRING:
7995 case MONO_TYPE_CLASS:
7996 case MONO_TYPE_OBJECT:
7997 case MONO_TYPE_BOOLEAN:
7998 case MONO_TYPE_ARRAY:
7999 case MONO_TYPE_SZARRAY:
8000 case MONO_TYPE_CHAR:
8002 case MONO_TYPE_GENERICINST:
8003 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
8005 case MONO_TYPE_TYPEDBYREF:
8007 g_warning ("return type 0x%02x unknown", sig->ret->type);
8008 g_assert_not_reached ();
8012 mono_mb_emit_stloc (mb, 3);
8016 * Need to call this after converting the result since MONO_VTADDR needs
8017 * to be adjacent to the call instruction.
8019 if (check_exceptions)
8020 emit_thread_interrupt_checkpoint (mb);
8022 /* we need to convert byref arguments back and free string arrays */
8023 for (i = 0; i < sig->param_count; i++) {
8024 MonoType *t = sig->params [i];
8025 MonoMarshalSpec *spec = mspecs [i + 1];
8027 argnum = i + sig->hasthis;
8029 if (spec && ((spec->native == MONO_NATIVE_CUSTOM) || (spec->native == MONO_NATIVE_ASANY))) {
8030 emit_marshal (&m, argnum, t, spec, tmp_locals [i], NULL, MARSHAL_ACTION_CONV_OUT);
8035 case MONO_TYPE_STRING:
8036 case MONO_TYPE_VALUETYPE:
8037 case MONO_TYPE_CLASS:
8038 case MONO_TYPE_OBJECT:
8039 case MONO_TYPE_SZARRAY:
8040 case MONO_TYPE_BOOLEAN:
8041 emit_marshal (&m, argnum, t, spec, tmp_locals [i], NULL, MARSHAL_ACTION_CONV_OUT);
8046 if (!MONO_TYPE_IS_VOID(sig->ret))
8047 mono_mb_emit_ldloc (mb, 3);
8049 mono_mb_emit_byte (mb, CEE_RET);
8053 * mono_marshal_get_native_wrapper:
8054 * @method: The MonoMethod to wrap.
8055 * @check_exceptions: Whenever to check for pending exceptions
8057 * generates IL code for the pinvoke wrapper (the generated method
8058 * calls the unmanaged code in piinfo->addr)
8061 mono_marshal_get_native_wrapper (MonoMethod *method, gboolean check_exceptions, gboolean aot)
8063 MonoMethodSignature *sig, *csig;
8064 MonoMethodPInvoke *piinfo = (MonoMethodPInvoke *) method;
8065 MonoMethodBuilder *mb;
8066 MonoMarshalSpec **mspecs;
8069 gboolean pinvoke = FALSE;
8072 const char *exc_class = "MissingMethodException";
8073 const char *exc_arg = NULL;
8075 g_assert (method != NULL);
8076 g_assert (mono_method_signature (method)->pinvoke);
8079 cache = get_cache (&method->klass->image->native_wrapper_aot_cache, mono_aligned_addr_hash, NULL);
8081 cache = get_cache (&method->klass->image->native_wrapper_cache, mono_aligned_addr_hash, NULL);
8082 if ((res = mono_marshal_find_in_cache (cache, method)))
8085 if (MONO_CLASS_IS_IMPORT (method->klass)) {
8087 return mono_cominterop_get_native_wrapper (method);
8089 g_assert_not_reached ();
8093 sig = mono_method_signature (method);
8095 if (!(method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
8096 (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL))
8099 if (!piinfo->addr) {
8101 if (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)
8102 exc_arg = "Method contains unsupported native code";
8104 mono_lookup_pinvoke_call (method, &exc_class, &exc_arg);
8106 piinfo->addr = mono_lookup_internal_call (method);
8109 /* hack - redirect certain string constructors to CreateString */
8110 if (piinfo->addr == ves_icall_System_String_ctor_RedirectToCreateString) {
8111 g_assert (!pinvoke);
8112 g_assert (method->string_ctor);
8113 g_assert (sig->hasthis);
8115 /* CreateString returns a value */
8116 csig = signature_dup (method->klass->image, sig);
8117 csig->ret = &mono_defaults.string_class->byval_arg;
8121 while ((res = mono_class_get_methods (mono_defaults.string_class, &iter))) {
8122 if (!strcmp ("CreateString", res->name) &&
8123 mono_metadata_signature_equal (csig, mono_method_signature (res))) {
8125 g_assert (!(res->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL));
8126 g_assert (!(res->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL));
8128 /* create a wrapper to preserve .ctor in stack trace */
8129 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_MANAGED_TO_MANAGED);
8131 mono_mb_emit_byte (mb, CEE_LDARG_0);
8132 for (i = 1; i <= csig->param_count; i++)
8133 mono_mb_emit_ldarg (mb, i);
8134 mono_mb_emit_managed_call (mb, res, NULL);
8135 mono_mb_emit_byte (mb, CEE_RET);
8137 /* use native_wrapper_cache because internal calls are looked up there */
8138 res = mono_mb_create_and_cache (cache, method,
8139 mb, csig, csig->param_count + 1);
8147 /* exception will be thrown */
8148 piinfo->addr = NULL;
8149 g_warning ("cannot find CreateString for .ctor");
8152 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_MANAGED_TO_NATIVE);
8154 mb->method->save_lmf = 1;
8157 * In AOT mode and embedding scenarios, it is possible that the icall is not
8158 * registered in the runtime doing the AOT compilation.
8160 if (!piinfo->addr && !aot) {
8161 mono_mb_emit_exception (mb, exc_class, exc_arg);
8162 csig = signature_dup (method->klass->image, sig);
8164 res = mono_mb_create_and_cache (cache, method,
8165 mb, csig, csig->param_count + 16);
8170 /* internal calls: we simply push all arguments and call the method (no conversions) */
8171 if (method->iflags & (METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL | METHOD_IMPL_ATTRIBUTE_RUNTIME)) {
8173 csig = signature_dup_add_this (sig, method->klass);
8175 csig = signature_dup (method->klass->image, sig);
8177 /* hack - string constructors returns a value */
8178 if (method->string_ctor)
8179 csig->ret = &mono_defaults.string_class->byval_arg;
8182 mono_mb_emit_byte (mb, CEE_LDARG_0);
8184 for (i = 0; i < sig->param_count; i++)
8185 mono_mb_emit_ldarg (mb, i + sig->hasthis);
8188 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
8189 mono_mb_emit_op (mb, CEE_MONO_ICALL_ADDR, &piinfo->method);
8190 mono_mb_emit_calli (mb, csig);
8192 g_assert (piinfo->addr);
8193 mono_mb_emit_native_call (mb, csig, piinfo->addr);
8195 if (check_exceptions)
8196 emit_thread_interrupt_checkpoint (mb);
8197 mono_mb_emit_byte (mb, CEE_RET);
8199 csig = signature_dup (method->klass->image, csig);
8201 res = mono_mb_create_and_cache (cache, method,
8202 mb, csig, csig->param_count + 16);
8209 g_assert (piinfo->addr);
8211 mspecs = g_new (MonoMarshalSpec*, sig->param_count + 1);
8212 mono_method_get_marshal_info (method, mspecs);
8214 mono_marshal_emit_native_wrapper (mb->method->klass->image, mb, sig, piinfo, mspecs, piinfo->addr, aot, check_exceptions);
8216 csig = signature_dup (method->klass->image, sig);
8218 res = mono_mb_create_and_cache (cache, method,
8219 mb, csig, csig->param_count + 16);
8222 for (i = sig->param_count; i >= 0; i--)
8224 mono_metadata_free_marshal_spec (mspecs [i]);
8227 /* printf ("CODE FOR %s: \n%s.\n", mono_method_full_name (res, TRUE), mono_disasm_code (0, res, ((MonoMethodNormal*)res)->header->code, ((MonoMethodNormal*)res)->header->code + ((MonoMethodNormal*)res)->header->code_size)); */
8233 * mono_marshal_get_native_func_wrapper:
8234 * @image: The image to use for memory allocation and for looking up custom marshallers.
8235 * @sig: The signature of the function
8236 * @func: The native function to wrap
8238 * Returns a wrapper method around native functions, similar to the pinvoke
8242 mono_marshal_get_native_func_wrapper (MonoImage *image, MonoMethodSignature *sig,
8243 MonoMethodPInvoke *piinfo, MonoMarshalSpec **mspecs, gpointer func)
8245 MonoMethodSignature *csig;
8247 MonoMethodBuilder *mb;
8252 cache = get_cache (&image->native_wrapper_cache, mono_aligned_addr_hash, NULL);
8253 if ((res = mono_marshal_find_in_cache (cache, func)))
8256 name = g_strdup_printf ("wrapper_native_%p", func);
8257 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_MANAGED_TO_NATIVE);
8258 mb->method->save_lmf = 1;
8260 mono_marshal_emit_native_wrapper (image, mb, sig, piinfo, mspecs, func, FALSE, TRUE);
8262 csig = signature_dup (image, sig);
8264 res = mono_mb_create_and_cache (cache, func,
8265 mb, csig, csig->param_count + 16);
8268 /* printf ("CODE FOR %s: \n%s.\n", mono_method_full_name (res, TRUE), mono_disasm_code (0, res, ((MonoMethodNormal*)res)->header->code, ((MonoMethodNormal*)res)->header->code + ((MonoMethodNormal*)res)->header->code_size)); */
8274 * mono_marshal_emit_managed_wrapper:
8276 * Emit the body of a native-to-managed wrapper. INVOKE_SIG is the signature of
8277 * the delegate which wraps the managed method to be called. For closed delegates,
8278 * it could have fewer parameters than the method it wraps.
8279 * THIS_LOC is the memory location where the target of the delegate is stored.
8282 mono_marshal_emit_managed_wrapper (MonoMethodBuilder *mb, MonoMethodSignature *invoke_sig, MonoMarshalSpec **mspecs, EmitMarshalContext* m, MonoMethod *method, MonoObject** this_loc)
8284 MonoMethodSignature *sig, *csig;
8286 gboolean closed = FALSE;
8291 /* allocate local 0 (pointer) src_ptr */
8292 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8293 /* allocate local 1 (pointer) dst_ptr */
8294 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8295 /* allocate local 2 (boolean) delete_old */
8296 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
8298 if (!sig->hasthis && sig->param_count != invoke_sig->param_count) {
8299 /* Closed delegate */
8300 g_assert (sig->param_count == invoke_sig->param_count + 1);
8302 /* Use a new signature without the first argument */
8303 sig = mono_metadata_signature_dup (sig);
8304 memmove (&sig->params [0], &sig->params [1], (sig->param_count - 1) * sizeof (MonoType*));
8305 sig->param_count --;
8308 if (!MONO_TYPE_IS_VOID(sig->ret)) {
8309 /* allocate local 3 to store the return value */
8310 mono_mb_add_local (mb, sig->ret);
8313 mono_mb_emit_icon (mb, 0);
8314 mono_mb_emit_stloc (mb, 2);
8316 /* we first do all conversions */
8317 tmp_locals = alloca (sizeof (int) * sig->param_count);
8318 for (i = 0; i < sig->param_count; i ++) {
8319 MonoType *t = sig->params [i];
8322 case MONO_TYPE_OBJECT:
8323 case MONO_TYPE_CLASS:
8324 case MONO_TYPE_VALUETYPE:
8325 case MONO_TYPE_ARRAY:
8326 case MONO_TYPE_SZARRAY:
8327 case MONO_TYPE_STRING:
8328 case MONO_TYPE_BOOLEAN:
8329 tmp_locals [i] = emit_marshal (m, i, sig->params [i], mspecs [i + 1], 0, &csig->params [i], MARSHAL_ACTION_MANAGED_CONV_IN);
8338 emit_thread_interrupt_checkpoint (mb);
8342 mono_mb_emit_ptr (mb, this_loc);
8343 mono_mb_emit_byte (mb, CEE_LDIND_REF);
8346 g_assert_not_reached ();
8348 } else if (closed) {
8349 mono_mb_emit_ptr (mb, this_loc);
8350 mono_mb_emit_byte (mb, CEE_LDIND_REF);
8353 for (i = 0; i < sig->param_count; i++) {
8354 MonoType *t = sig->params [i];
8356 if (tmp_locals [i]) {
8358 mono_mb_emit_ldloc_addr (mb, tmp_locals [i]);
8360 mono_mb_emit_ldloc (mb, tmp_locals [i]);
8363 mono_mb_emit_ldarg (mb, i);
8366 mono_mb_emit_managed_call (mb, method, NULL);
8368 if (mspecs [0] && mspecs [0]->native == MONO_NATIVE_CUSTOM) {
8369 emit_marshal (m, 0, sig->ret, mspecs [0], 0, NULL, MARSHAL_ACTION_MANAGED_CONV_RESULT);
8370 } else if (!sig->ret->byref) {
8371 switch (sig->ret->type) {
8372 case MONO_TYPE_VOID:
8374 case MONO_TYPE_BOOLEAN:
8377 case MONO_TYPE_CHAR:
8389 case MONO_TYPE_OBJECT:
8390 mono_mb_emit_stloc (mb, 3);
8392 case MONO_TYPE_STRING:
8393 csig->ret = &mono_defaults.int_class->byval_arg;
8394 emit_marshal (m, 0, sig->ret, mspecs [0], 0, NULL, MARSHAL_ACTION_MANAGED_CONV_RESULT);
8396 case MONO_TYPE_VALUETYPE:
8397 case MONO_TYPE_CLASS:
8398 case MONO_TYPE_SZARRAY:
8399 emit_marshal (m, 0, sig->ret, mspecs [0], 0, NULL, MARSHAL_ACTION_MANAGED_CONV_RESULT);
8402 g_warning ("return type 0x%02x unknown", sig->ret->type);
8403 g_assert_not_reached ();
8406 mono_mb_emit_stloc (mb, 3);
8409 /* Convert byref arguments back */
8410 for (i = 0; i < sig->param_count; i ++) {
8411 MonoType *t = sig->params [i];
8412 MonoMarshalSpec *spec = mspecs [i + 1];
8414 if (spec && spec->native == MONO_NATIVE_CUSTOM) {
8415 emit_marshal (m, i, t, mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_MANAGED_CONV_OUT);
8417 else if (t->byref) {
8419 case MONO_TYPE_CLASS:
8420 case MONO_TYPE_VALUETYPE:
8421 case MONO_TYPE_OBJECT:
8422 case MONO_TYPE_STRING:
8423 case MONO_TYPE_BOOLEAN:
8424 emit_marshal (m, i, t, mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_MANAGED_CONV_OUT);
8428 else if (invoke_sig->params [i]->attrs & PARAM_ATTRIBUTE_OUT) {
8429 /* The [Out] information is encoded in the delegate signature */
8431 case MONO_TYPE_SZARRAY:
8432 case MONO_TYPE_CLASS:
8433 case MONO_TYPE_VALUETYPE:
8434 emit_marshal (m, i, invoke_sig->params [i], mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_MANAGED_CONV_OUT);
8437 g_assert_not_reached ();
8442 if (m->retobj_var) {
8443 mono_mb_emit_ldloc (mb, m->retobj_var);
8444 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
8445 mono_mb_emit_op (mb, CEE_MONO_RETOBJ, m->retobj_class);
8448 if (!MONO_TYPE_IS_VOID(sig->ret))
8449 mono_mb_emit_ldloc (mb, 3);
8450 mono_mb_emit_byte (mb, CEE_RET);
8459 mono_marshal_set_callconv_from_modopt (MonoMethod *method, MonoMethodSignature *csig)
8461 MonoMethodSignature *sig;
8466 * Under windows, delegates passed to native code must use the STDCALL
8467 * calling convention.
8469 csig->call_convention = MONO_CALL_STDCALL;
8472 sig = mono_method_signature (method);
8474 /* Change default calling convention if needed */
8475 /* Why is this a modopt ? */
8476 if (sig->ret && sig->ret->num_mods) {
8477 for (i = 0; i < sig->ret->num_mods; ++i) {
8478 MonoClass *cmod_class = mono_class_get (method->klass->image, sig->ret->modifiers [i].token);
8479 g_assert (cmod_class);
8480 if ((cmod_class->image == mono_defaults.corlib) && !strcmp (cmod_class->name_space, "System.Runtime.CompilerServices")) {
8481 if (!strcmp (cmod_class->name, "CallConvCdecl"))
8482 csig->call_convention = MONO_CALL_C;
8483 else if (!strcmp (cmod_class->name, "CallConvStdcall"))
8484 csig->call_convention = MONO_CALL_STDCALL;
8485 else if (!strcmp (cmod_class->name, "CallConvFastcall"))
8486 csig->call_convention = MONO_CALL_FASTCALL;
8487 else if (!strcmp (cmod_class->name, "CallConvThiscall"))
8488 csig->call_convention = MONO_CALL_THISCALL;
8495 * generates IL code to call managed methods from unmanaged code
8498 mono_marshal_get_managed_wrapper (MonoMethod *method, MonoClass *delegate_klass, MonoObject **this_loc)
8500 static MonoClass *UnmanagedFunctionPointerAttribute;
8501 MonoMethodSignature *sig, *csig, *invoke_sig;
8502 MonoMethodBuilder *mb;
8503 MonoMethod *res, *invoke;
8504 MonoMarshalSpec **mspecs;
8505 MonoMethodPInvoke piinfo;
8508 EmitMarshalContext m;
8510 g_assert (method != NULL);
8511 g_assert (!mono_method_signature (method)->pinvoke);
8514 * FIXME: Should cache the method+delegate type pair, since the same method
8515 * could be called with different delegates, thus different marshalling
8518 cache = get_cache (&method->klass->image->managed_wrapper_cache, mono_aligned_addr_hash, NULL);
8519 if (!this_loc && (res = mono_marshal_find_in_cache (cache, method)))
8522 invoke = mono_get_delegate_invoke (delegate_klass);
8523 invoke_sig = mono_method_signature (invoke);
8525 mspecs = g_new0 (MonoMarshalSpec*, mono_method_signature (invoke)->param_count + 1);
8526 mono_method_get_marshal_info (invoke, mspecs);
8528 sig = mono_method_signature (method);
8530 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_NATIVE_TO_MANAGED);
8532 /* we copy the signature, so that we can modify it */
8534 /* Need to free this later */
8535 csig = mono_metadata_signature_dup (invoke_sig);
8537 csig = signature_dup (method->klass->image, invoke_sig);
8546 m.image = method->klass->image;
8548 mono_marshal_set_callconv_from_modopt (invoke, csig);
8550 /* Handle the UnmanagedFunctionPointerAttribute */
8551 if (!UnmanagedFunctionPointerAttribute)
8552 UnmanagedFunctionPointerAttribute = mono_class_from_name (mono_defaults.corlib, "System.Runtime.InteropServices", "UnmanagedFunctionPointerAttribute");
8554 /* The attribute is only available in Net 2.0 */
8555 if (UnmanagedFunctionPointerAttribute) {
8556 MonoCustomAttrInfo *cinfo;
8557 MonoCustomAttrEntry *attr;
8560 * The pinvoke attributes are stored in a real custom attribute. Obtain the
8561 * contents of the attribute without constructing it, as that might not be
8562 * possible when running in cross-compiling mode.
8564 cinfo = mono_custom_attrs_from_class (delegate_klass);
8567 for (i = 0; i < cinfo->num_attrs; ++i) {
8568 if (mono_class_has_parent (cinfo->attrs [i].ctor->klass, UnmanagedFunctionPointerAttribute)) {
8569 attr = &cinfo->attrs [i];
8575 MonoArray *typed_args, *named_args;
8576 CattrNamedArg *arginfo;
8580 MonoBoolean set_last_error = 0;
8581 MonoBoolean best_fit_mapping = 0;
8582 MonoBoolean throw_on_unmappable = 0;
8584 mono_reflection_create_custom_attr_data_args (mono_defaults.corlib, attr->ctor, attr->data, attr->data_size, &typed_args, &named_args, &arginfo);
8586 g_assert (mono_array_length (typed_args) == 1);
8589 o = mono_array_get (typed_args, MonoObject*, 0);
8590 call_conv = *(gint32*)mono_object_unbox (o);
8593 for (i = 0; i < mono_array_length (named_args); ++i) {
8594 CattrNamedArg *narg = &arginfo [i];
8596 o = mono_array_get (named_args, MonoObject*, i);
8598 g_assert (narg->field);
8599 if (!strcmp (narg->field->name, "CharSet")) {
8600 charset = *(gint32*)mono_object_unbox (o);
8601 } else if (!strcmp (narg->field->name, "SetLastError")) {
8602 set_last_error = *(MonoBoolean*)mono_object_unbox (o);
8603 } else if (!strcmp (narg->field->name, "BestFitMapping")) {
8604 best_fit_mapping = *(MonoBoolean*)mono_object_unbox (o);
8605 } else if (!strcmp (narg->field->name, "ThrowOnUnmappableChar")) {
8606 throw_on_unmappable = *(MonoBoolean*)mono_object_unbox (o);
8608 g_assert_not_reached ();
8614 memset (&piinfo, 0, sizeof (piinfo));
8616 piinfo.piflags = (call_conv << 8) | (charset ? (charset - 1) * 2 : 1) | set_last_error;
8618 csig->call_convention = call_conv - 1;
8621 if (cinfo && !cinfo->cached)
8622 mono_custom_attrs_free (cinfo);
8625 mono_marshal_emit_managed_wrapper (mb, invoke_sig, mspecs, &m, method, this_loc);
8628 res = mono_mb_create_and_cache (cache, method,
8629 mb, csig, sig->param_count + 16);
8632 res = mono_mb_create_method (mb, csig, sig->param_count + 16);
8636 for (i = mono_method_signature (invoke)->param_count; i >= 0; i--)
8638 mono_metadata_free_marshal_spec (mspecs [i]);
8641 /* printf ("CODE FOR %s: \n%s.\n", mono_method_full_name (res, TRUE), mono_disasm_code (0, res, ((MonoMethodNormal*)res)->header->code, ((MonoMethodNormal*)res)->header->code + ((MonoMethodNormal*)res)->header->code_size)); */
8647 mono_marshal_get_vtfixup_ftnptr (MonoImage *image, guint32 token, guint16 type)
8650 MonoMethodSignature *sig;
8651 MonoMethodBuilder *mb;
8656 method = mono_get_method (image, token, NULL);
8659 if (type & (VTFIXUP_TYPE_FROM_UNMANAGED | VTFIXUP_TYPE_FROM_UNMANAGED_RETAIN_APPDOMAIN)) {
8660 MonoMethodSignature *csig;
8661 MonoMarshalSpec **mspecs;
8662 EmitMarshalContext m;
8664 sig = mono_method_signature (method);
8665 g_assert (!sig->hasthis);
8667 mspecs = g_new0 (MonoMarshalSpec*, sig->param_count + 1);
8668 mono_method_get_marshal_info (method, mspecs);
8670 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_NATIVE_TO_MANAGED);
8671 csig = signature_dup (image, sig);
8682 mono_marshal_set_callconv_from_modopt (method, csig);
8684 /* FIXME: Implement VTFIXUP_TYPE_FROM_UNMANAGED_RETAIN_APPDOMAIN. */
8686 mono_marshal_emit_managed_wrapper (mb, sig, mspecs, &m, method, NULL);
8689 method = mono_mb_create_method (mb, csig, sig->param_count + 16);
8692 for (i = sig->param_count; i >= 0; i--)
8694 mono_metadata_free_marshal_spec (mspecs [i]);
8697 return mono_compile_method (method);
8700 sig = mono_method_signature (method);
8701 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_MANAGED_TO_MANAGED);
8703 param_count = sig->param_count + sig->hasthis;
8704 for (i = 0; i < param_count; i++)
8705 mono_mb_emit_ldarg (mb, i);
8707 if (type & VTFIXUP_TYPE_CALL_MOST_DERIVED)
8708 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
8710 mono_mb_emit_op (mb, CEE_CALL, method);
8711 mono_mb_emit_byte (mb, CEE_RET);
8714 method = mono_mb_create_method (mb, sig, param_count);
8717 return mono_compile_method (method);
8720 static MonoReflectionType *
8721 type_from_handle (MonoType *handle)
8723 MonoDomain *domain = mono_domain_get ();
8724 MonoClass *klass = mono_class_from_mono_type (handle);
8726 MONO_ARCH_SAVE_REGS;
8728 mono_class_init (klass);
8729 return mono_type_get_object (domain, handle);
8733 * mono_marshal_get_isinst:
8734 * @klass: the type of the field
8736 * This method generates a function which can be used to check if an object is
8737 * an instance of the given type, icluding the case where the object is a proxy.
8738 * The generated function has the following signature:
8739 * MonoObject* __isinst_wrapper_ (MonoObject *obj)
8742 mono_marshal_get_isinst (MonoClass *klass)
8744 static MonoMethodSignature *isint_sig = NULL;
8747 int pos_was_ok, pos_failed, pos_end, pos_end2;
8749 MonoMethodBuilder *mb;
8751 cache = get_cache (&klass->image->isinst_cache, mono_aligned_addr_hash, NULL);
8752 if ((res = mono_marshal_find_in_cache (cache, klass)))
8756 isint_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
8757 isint_sig->params [0] = &mono_defaults.object_class->byval_arg;
8758 isint_sig->ret = &mono_defaults.object_class->byval_arg;
8759 isint_sig->pinvoke = 0;
8762 name = g_strdup_printf ("__isinst_wrapper_%s", klass->name);
8763 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_ISINST);
8766 mb->method->save_lmf = 1;
8768 /* check if the object is a proxy that needs special cast */
8769 mono_mb_emit_ldarg (mb, 0);
8770 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
8771 mono_mb_emit_op (mb, CEE_MONO_CISINST, klass);
8773 /* The result of MONO_ISINST can be:
8774 0) the type check succeeded
8775 1) the type check did not succeed
8776 2) a CanCastTo call is needed */
8778 mono_mb_emit_byte (mb, CEE_DUP);
8779 pos_was_ok = mono_mb_emit_branch (mb, CEE_BRFALSE);
8781 mono_mb_emit_byte (mb, CEE_LDC_I4_2);
8782 pos_failed = mono_mb_emit_branch (mb, CEE_BNE_UN);
8784 /* get the real proxy from the transparent proxy*/
8786 mono_mb_emit_ldarg (mb, 0);
8787 mono_mb_emit_managed_call (mb, mono_marshal_get_proxy_cancast (klass), NULL);
8788 pos_end = mono_mb_emit_branch (mb, CEE_BR);
8792 mono_mb_patch_branch (mb, pos_failed);
8793 mono_mb_emit_byte (mb, CEE_LDNULL);
8794 pos_end2 = mono_mb_emit_branch (mb, CEE_BR);
8798 mono_mb_patch_branch (mb, pos_was_ok);
8799 mono_mb_emit_byte (mb, CEE_POP);
8800 mono_mb_emit_ldarg (mb, 0);
8804 mono_mb_patch_branch (mb, pos_end);
8805 mono_mb_patch_branch (mb, pos_end2);
8806 mono_mb_emit_byte (mb, CEE_RET);
8808 res = mono_mb_create_and_cache (cache, klass, mb, isint_sig, isint_sig->param_count + 16);
8815 * mono_marshal_get_castclass:
8816 * @klass: the type of the field
8818 * This method generates a function which can be used to cast an object to
8819 * an instance of the given type, icluding the case where the object is a proxy.
8820 * The generated function has the following signature:
8821 * MonoObject* __castclass_wrapper_ (MonoObject *obj)
8824 mono_marshal_get_castclass (MonoClass *klass)
8826 static MonoMethodSignature *castclass_sig = NULL;
8829 int pos_was_ok, pos_was_ok2;
8831 MonoMethodBuilder *mb;
8833 cache = get_cache (&klass->image->castclass_cache, mono_aligned_addr_hash, NULL);
8834 if ((res = mono_marshal_find_in_cache (cache, klass)))
8837 if (!castclass_sig) {
8838 castclass_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
8839 castclass_sig->params [0] = &mono_defaults.object_class->byval_arg;
8840 castclass_sig->ret = &mono_defaults.object_class->byval_arg;
8841 castclass_sig->pinvoke = 0;
8844 name = g_strdup_printf ("__castclass_wrapper_%s", klass->name);
8845 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_CASTCLASS);
8848 mb->method->save_lmf = 1;
8850 /* check if the object is a proxy that needs special cast */
8851 mono_mb_emit_ldarg (mb, 0);
8852 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
8853 mono_mb_emit_op (mb, CEE_MONO_CCASTCLASS, klass);
8855 /* The result of MONO_ISINST can be:
8856 0) the cast is valid
8857 1) cast of unknown proxy type
8858 or an exception if the cast is is invalid
8861 pos_was_ok = mono_mb_emit_branch (mb, CEE_BRFALSE);
8863 /* get the real proxy from the transparent proxy*/
8865 mono_mb_emit_ldarg (mb, 0);
8866 mono_mb_emit_managed_call (mb, mono_marshal_get_proxy_cancast (klass), NULL);
8867 pos_was_ok2 = mono_mb_emit_branch (mb, CEE_BRTRUE);
8870 mono_mb_emit_exception (mb, "InvalidCastException", NULL);
8873 mono_mb_patch_branch (mb, pos_was_ok);
8874 mono_mb_patch_branch (mb, pos_was_ok2);
8875 mono_mb_emit_ldarg (mb, 0);
8878 mono_mb_emit_byte (mb, CEE_RET);
8880 res = mono_mb_create_and_cache (cache, klass, mb, castclass_sig, castclass_sig->param_count + 16);
8887 mono_marshal_get_proxy_cancast (MonoClass *klass)
8889 static MonoMethodSignature *isint_sig = NULL;
8892 int pos_failed, pos_end;
8894 MonoMethod *can_cast_to;
8895 MonoMethodDesc *desc;
8896 MonoMethodBuilder *mb;
8898 cache = get_cache (&klass->image->proxy_isinst_cache, mono_aligned_addr_hash, NULL);
8899 if ((res = mono_marshal_find_in_cache (cache, klass)))
8903 isint_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
8904 isint_sig->params [0] = &mono_defaults.object_class->byval_arg;
8905 isint_sig->ret = &mono_defaults.object_class->byval_arg;
8906 isint_sig->pinvoke = 0;
8909 name = g_strdup_printf ("__proxy_isinst_wrapper_%s", klass->name);
8910 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_PROXY_ISINST);
8913 mb->method->save_lmf = 1;
8915 /* get the real proxy from the transparent proxy*/
8916 mono_mb_emit_ldarg (mb, 0);
8917 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
8918 mono_mb_emit_byte (mb, CEE_LDIND_REF);
8920 /* get the reflection type from the type handle */
8921 mono_mb_emit_ptr (mb, &klass->byval_arg);
8922 mono_mb_emit_icall (mb, type_from_handle);
8924 mono_mb_emit_ldarg (mb, 0);
8926 /* make the call to CanCastTo (type, ob) */
8927 desc = mono_method_desc_new ("IRemotingTypeInfo:CanCastTo", FALSE);
8928 can_cast_to = mono_method_desc_search_in_class (desc, mono_defaults.iremotingtypeinfo_class);
8929 g_assert (can_cast_to);
8930 mono_method_desc_free (desc);
8931 mono_mb_emit_op (mb, CEE_CALLVIRT, can_cast_to);
8933 pos_failed = mono_mb_emit_branch (mb, CEE_BRFALSE);
8935 /* Upgrade the proxy vtable by calling: mono_upgrade_remote_class_wrapper (type, ob)*/
8936 mono_mb_emit_ptr (mb, &klass->byval_arg);
8937 mono_mb_emit_icall (mb, type_from_handle);
8938 mono_mb_emit_ldarg (mb, 0);
8940 mono_mb_emit_icall (mb, mono_upgrade_remote_class_wrapper);
8941 emit_thread_interrupt_checkpoint (mb);
8943 mono_mb_emit_ldarg (mb, 0);
8944 pos_end = mono_mb_emit_branch (mb, CEE_BR);
8948 mono_mb_patch_branch (mb, pos_failed);
8949 mono_mb_emit_byte (mb, CEE_LDNULL);
8953 mono_mb_patch_branch (mb, pos_end);
8954 mono_mb_emit_byte (mb, CEE_RET);
8956 res = mono_mb_create_and_cache (cache, klass, mb, isint_sig, isint_sig->param_count + 16);
8963 mono_upgrade_remote_class_wrapper (MonoReflectionType *rtype, MonoTransparentProxy *tproxy)
8966 MonoDomain *domain = ((MonoObject*)tproxy)->vtable->domain;
8967 klass = mono_class_from_mono_type (rtype->type);
8968 mono_upgrade_remote_class (domain, (MonoObject*)tproxy, klass);
8972 * mono_marshal_get_struct_to_ptr:
8975 * generates IL code for StructureToPtr (object structure, IntPtr ptr, bool fDeleteOld)
8978 mono_marshal_get_struct_to_ptr (MonoClass *klass)
8980 MonoMethodBuilder *mb;
8981 static MonoMethod *stoptr = NULL;
8984 g_assert (klass != NULL);
8986 mono_marshal_load_type_info (klass);
8988 if (klass->marshal_info->str_to_ptr)
8989 return klass->marshal_info->str_to_ptr;
8992 stoptr = mono_class_get_method_from_name (mono_defaults.marshal_class, "StructureToPtr", 3);
8995 mb = mono_mb_new (klass, stoptr->name, MONO_WRAPPER_UNKNOWN);
8997 if (klass->blittable) {
8998 mono_mb_emit_byte (mb, CEE_LDARG_1);
8999 mono_mb_emit_byte (mb, CEE_LDARG_0);
9000 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
9001 mono_mb_emit_icon (mb, mono_class_value_size (klass, NULL));
9002 mono_mb_emit_byte (mb, CEE_PREFIX1);
9003 mono_mb_emit_byte (mb, CEE_CPBLK);
9006 /* allocate local 0 (pointer) src_ptr */
9007 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9008 /* allocate local 1 (pointer) dst_ptr */
9009 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9010 /* allocate local 2 (boolean) delete_old */
9011 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
9012 mono_mb_emit_byte (mb, CEE_LDARG_2);
9013 mono_mb_emit_stloc (mb, 2);
9015 /* initialize src_ptr to point to the start of object data */
9016 mono_mb_emit_byte (mb, CEE_LDARG_0);
9017 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
9018 mono_mb_emit_stloc (mb, 0);
9020 /* initialize dst_ptr */
9021 mono_mb_emit_byte (mb, CEE_LDARG_1);
9022 mono_mb_emit_stloc (mb, 1);
9024 emit_struct_conv (mb, klass, FALSE);
9027 mono_mb_emit_byte (mb, CEE_RET);
9029 res = mono_mb_create_method (mb, mono_signature_no_pinvoke (stoptr), 0);
9032 klass->marshal_info->str_to_ptr = res;
9037 * mono_marshal_get_ptr_to_struct:
9040 * generates IL code for PtrToStructure (IntPtr src, object structure)
9043 mono_marshal_get_ptr_to_struct (MonoClass *klass)
9045 MonoMethodBuilder *mb;
9046 static MonoMethodSignature *ptostr = NULL;
9049 g_assert (klass != NULL);
9051 mono_marshal_load_type_info (klass);
9053 if (klass->marshal_info->ptr_to_str)
9054 return klass->marshal_info->ptr_to_str;
9057 MonoMethodSignature *sig;
9059 /* Create the signature corresponding to
9060 static void PtrToStructure (IntPtr ptr, object structure);
9061 defined in class/corlib/System.Runtime.InteropServices/Marshal.cs */
9062 sig = mono_create_icall_signature ("void ptr object");
9063 sig = signature_dup (mono_defaults.corlib, sig);
9065 mono_memory_barrier ();
9069 mb = mono_mb_new (klass, "PtrToStructure", MONO_WRAPPER_UNKNOWN);
9071 if (klass->blittable) {
9072 mono_mb_emit_byte (mb, CEE_LDARG_1);
9073 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
9074 mono_mb_emit_byte (mb, CEE_LDARG_0);
9075 mono_mb_emit_icon (mb, mono_class_value_size (klass, NULL));
9076 mono_mb_emit_byte (mb, CEE_PREFIX1);
9077 mono_mb_emit_byte (mb, CEE_CPBLK);
9080 /* allocate local 0 (pointer) src_ptr */
9081 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9082 /* allocate local 1 (pointer) dst_ptr */
9083 mono_mb_add_local (mb, &klass->this_arg);
9085 /* initialize src_ptr to point to the start of object data */
9086 mono_mb_emit_byte (mb, CEE_LDARG_0);
9087 mono_mb_emit_stloc (mb, 0);
9089 /* initialize dst_ptr */
9090 mono_mb_emit_byte (mb, CEE_LDARG_1);
9091 mono_mb_emit_op (mb, CEE_UNBOX, klass);
9092 mono_mb_emit_stloc (mb, 1);
9094 emit_struct_conv (mb, klass, TRUE);
9097 mono_mb_emit_byte (mb, CEE_RET);
9099 res = mono_mb_create_method (mb, ptostr, 0);
9102 klass->marshal_info->ptr_to_str = res;
9107 * generates IL code for the synchronized wrapper: the generated method
9108 * calls METHOD while locking 'this' or the parent type.
9111 mono_marshal_get_synchronized_wrapper (MonoMethod *method)
9113 static MonoMethod *enter_method, *exit_method, *gettypefromhandle_method;
9114 MonoMethodSignature *sig;
9115 MonoExceptionClause *clause;
9116 MonoMethodBuilder *mb;
9119 int i, pos, this_local, ret_local = 0;
9123 if (method->wrapper_type == MONO_WRAPPER_SYNCHRONIZED)
9126 cache = get_cache (&method->klass->image->synchronized_cache, mono_aligned_addr_hash, NULL);
9127 if ((res = mono_marshal_find_in_cache (cache, method)))
9130 sig = signature_dup (method->klass->image, mono_method_signature (method));
9133 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_SYNCHRONIZED);
9136 if (!MONO_TYPE_IS_VOID (sig->ret))
9137 ret_local = mono_mb_add_local (mb, sig->ret);
9139 if (method->klass->valuetype && !(method->flags & MONO_METHOD_ATTR_STATIC)) {
9140 mono_class_set_failure (method->klass, MONO_EXCEPTION_TYPE_LOAD, NULL);
9141 /* This will throw the type load exception when the wrapper is compiled */
9142 mono_mb_emit_byte (mb, CEE_LDNULL);
9143 mono_mb_emit_op (mb, CEE_ISINST, method->klass);
9144 mono_mb_emit_byte (mb, CEE_POP);
9146 if (!MONO_TYPE_IS_VOID (sig->ret))
9147 mono_mb_emit_ldloc (mb, ret_local);
9148 mono_mb_emit_byte (mb, CEE_RET);
9150 res = mono_mb_create_and_cache (cache, method,
9151 mb, sig, sig->param_count + 16);
9158 this_local = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
9160 clause = mono_image_alloc0 (method->klass->image, sizeof (MonoExceptionClause));
9161 clause->flags = MONO_EXCEPTION_CLAUSE_FINALLY;
9163 mono_loader_lock ();
9165 if (!enter_method) {
9166 MonoMethodDesc *desc;
9168 desc = mono_method_desc_new ("Monitor:Enter", FALSE);
9169 enter_method = mono_method_desc_search_in_class (desc, mono_defaults.monitor_class);
9170 g_assert (enter_method);
9171 mono_method_desc_free (desc);
9173 desc = mono_method_desc_new ("Monitor:Exit", FALSE);
9174 exit_method = mono_method_desc_search_in_class (desc, mono_defaults.monitor_class);
9175 g_assert (exit_method);
9176 mono_method_desc_free (desc);
9178 desc = mono_method_desc_new ("Type:GetTypeFromHandle", FALSE);
9179 gettypefromhandle_method = mono_method_desc_search_in_class (desc, mono_defaults.monotype_class->parent);
9180 g_assert (gettypefromhandle_method);
9181 mono_method_desc_free (desc);
9184 mono_loader_unlock ();
9186 /* Push this or the type object */
9187 if (method->flags & METHOD_ATTRIBUTE_STATIC) {
9188 /* We have special handling for this in the JIT */
9189 int index = mono_mb_add_data (mb, method->klass);
9190 mono_mb_add_data (mb, mono_defaults.typehandle_class);
9191 mono_mb_emit_byte (mb, CEE_LDTOKEN);
9192 mono_mb_emit_i4 (mb, index);
9194 mono_mb_emit_managed_call (mb, gettypefromhandle_method, NULL);
9197 mono_mb_emit_ldarg (mb, 0);
9198 mono_mb_emit_stloc (mb, this_local);
9200 /* Call Monitor::Enter() */
9201 mono_mb_emit_ldloc (mb, this_local);
9202 mono_mb_emit_managed_call (mb, enter_method, NULL);
9204 clause->try_offset = mono_mb_get_label (mb);
9206 /* Call the method */
9208 mono_mb_emit_ldarg (mb, 0);
9209 for (i = 0; i < sig->param_count; i++)
9210 mono_mb_emit_ldarg (mb, i + (sig->hasthis == TRUE));
9212 mono_mb_emit_managed_call (mb, method, NULL);
9214 if (!MONO_TYPE_IS_VOID (sig->ret))
9215 mono_mb_emit_stloc (mb, ret_local);
9217 pos = mono_mb_emit_branch (mb, CEE_LEAVE);
9219 clause->try_len = mono_mb_get_pos (mb) - clause->try_offset;
9220 clause->handler_offset = mono_mb_get_label (mb);
9222 /* Call Monitor::Exit() */
9223 mono_mb_emit_ldloc (mb, this_local);
9224 mono_mb_emit_managed_call (mb, exit_method, NULL);
9225 mono_mb_emit_byte (mb, CEE_ENDFINALLY);
9227 clause->handler_len = mono_mb_get_pos (mb) - clause->handler_offset;
9229 mono_mb_patch_branch (mb, pos);
9230 if (!MONO_TYPE_IS_VOID (sig->ret))
9231 mono_mb_emit_ldloc (mb, ret_local);
9232 mono_mb_emit_byte (mb, CEE_RET);
9234 mono_mb_set_clauses (mb, 1, clause);
9236 res = mono_mb_create_and_cache (cache, method,
9237 mb, sig, sig->param_count + 16);
9245 * the returned method calls 'method' unboxing the this argument
9248 mono_marshal_get_unbox_wrapper (MonoMethod *method)
9250 MonoMethodSignature *sig = mono_method_signature (method);
9252 MonoMethodBuilder *mb;
9256 cache = get_cache (&method->klass->image->unbox_wrapper_cache, mono_aligned_addr_hash, NULL);
9257 if ((res = mono_marshal_find_in_cache (cache, method)))
9260 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_UNBOX);
9262 g_assert (sig->hasthis);
9264 mono_mb_emit_ldarg (mb, 0);
9265 mono_mb_emit_icon (mb, sizeof (MonoObject));
9266 mono_mb_emit_byte (mb, CEE_ADD);
9267 for (i = 0; i < sig->param_count; ++i)
9268 mono_mb_emit_ldarg (mb, i + 1);
9269 mono_mb_emit_managed_call (mb, method, NULL);
9270 mono_mb_emit_byte (mb, CEE_RET);
9272 res = mono_mb_create_and_cache (cache, method,
9273 mb, sig, sig->param_count + 16);
9276 /* printf ("CODE FOR %s: \n%s.\n", mono_method_full_name (res, TRUE), mono_disasm_code (0, res, ((MonoMethodNormal*)res)->header->code, ((MonoMethodNormal*)res)->header->code + ((MonoMethodNormal*)res)->header->code_size)); */
9282 mono_marshal_get_stelemref ()
9284 static MonoMethod* ret = NULL;
9285 MonoMethodSignature *sig;
9286 MonoMethodBuilder *mb;
9288 guint32 b1, b2, b3, b4;
9291 int array_slot_addr;
9296 mb = mono_mb_new (mono_defaults.object_class, "stelemref", MONO_WRAPPER_STELEMREF);
9299 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
9301 /* void stelemref (void* array, int idx, void* value) */
9302 sig->ret = &mono_defaults.void_class->byval_arg;
9303 sig->params [0] = &mono_defaults.object_class->byval_arg;
9304 sig->params [1] = &mono_defaults.int_class->byval_arg; /* this is a natural sized int */
9305 sig->params [2] = &mono_defaults.object_class->byval_arg;
9307 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9308 vklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9309 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
9313 <ldelema (bound check)>
9317 aklass = array->vtable->klass->element_class;
9318 vklass = value->vtable->klass;
9320 if (vklass->idepth < aklass->idepth)
9323 if (vklass->supertypes [aklass->idepth - 1] != aklass)
9327 *array_slot_addr = value;
9331 if (mono_object_isinst (value, aklass))
9334 throw new ArrayTypeMismatchException ();
9337 /* ldelema (implicit bound check) */
9338 mono_mb_emit_ldarg (mb, 0);
9339 mono_mb_emit_ldarg (mb, 1);
9340 mono_mb_emit_op (mb, CEE_LDELEMA, mono_defaults.object_class);
9341 mono_mb_emit_stloc (mb, array_slot_addr);
9343 /* if (!value) goto do_store */
9344 mono_mb_emit_ldarg (mb, 2);
9345 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
9347 /* aklass = array->vtable->klass->element_class */
9348 mono_mb_emit_ldarg (mb, 0);
9349 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
9350 mono_mb_emit_byte (mb, CEE_LDIND_I);
9351 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, klass));
9352 mono_mb_emit_byte (mb, CEE_LDIND_I);
9353 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, element_class));
9354 mono_mb_emit_byte (mb, CEE_LDIND_I);
9355 mono_mb_emit_stloc (mb, aklass);
9357 /* vklass = value->vtable->klass */
9358 mono_mb_emit_ldarg (mb, 2);
9359 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
9360 mono_mb_emit_byte (mb, CEE_LDIND_I);
9361 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, klass));
9362 mono_mb_emit_byte (mb, CEE_LDIND_I);
9363 mono_mb_emit_stloc (mb, vklass);
9365 /* if (vklass->idepth < aklass->idepth) goto failue */
9366 mono_mb_emit_ldloc (mb, vklass);
9367 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
9368 mono_mb_emit_byte (mb, CEE_LDIND_U2);
9370 mono_mb_emit_ldloc (mb, aklass);
9371 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
9372 mono_mb_emit_byte (mb, CEE_LDIND_U2);
9374 b2 = mono_mb_emit_branch (mb, CEE_BLT_UN);
9376 /* if (vklass->supertypes [aklass->idepth - 1] != aklass) goto failure */
9377 mono_mb_emit_ldloc (mb, vklass);
9378 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, supertypes));
9379 mono_mb_emit_byte (mb, CEE_LDIND_I);
9381 mono_mb_emit_ldloc (mb, aklass);
9382 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
9383 mono_mb_emit_byte (mb, CEE_LDIND_U2);
9384 mono_mb_emit_icon (mb, 1);
9385 mono_mb_emit_byte (mb, CEE_SUB);
9386 mono_mb_emit_icon (mb, sizeof (void*));
9387 mono_mb_emit_byte (mb, CEE_MUL);
9388 mono_mb_emit_byte (mb, CEE_ADD);
9389 mono_mb_emit_byte (mb, CEE_LDIND_I);
9391 mono_mb_emit_ldloc (mb, aklass);
9393 b3 = mono_mb_emit_branch (mb, CEE_BNE_UN);
9395 copy_pos = mono_mb_get_label (mb);
9397 mono_mb_patch_branch (mb, b1);
9398 mono_mb_emit_ldloc (mb, array_slot_addr);
9399 mono_mb_emit_ldarg (mb, 2);
9400 mono_mb_emit_byte (mb, CEE_STIND_REF);
9402 mono_mb_emit_byte (mb, CEE_RET);
9405 mono_mb_patch_branch (mb, b2);
9406 mono_mb_patch_branch (mb, b3);
9408 mono_mb_emit_ldarg (mb, 2);
9409 mono_mb_emit_ldloc (mb, aklass);
9410 mono_mb_emit_icall (mb, mono_object_isinst);
9412 b4 = mono_mb_emit_branch (mb, CEE_BRTRUE);
9413 mono_mb_patch_addr (mb, b4, copy_pos - (b4 + 4));
9414 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
9416 mono_mb_emit_byte (mb, CEE_RET);
9417 ret = mono_mb_create_method (mb, sig, 4);
9428 /* LOCKING: vars accessed under the marshal lock */
9429 static ArrayElemAddr *elem_addr_cache = NULL;
9430 static int elem_addr_cache_size = 0;
9431 static int elem_addr_cache_next = 0;
9434 * mono_marshal_get_array_address:
9435 * @rank: rank of the array type
9436 * @elem_size: size in bytes of an element of an array.
9438 * Returns a MonoMethd that implements the code to get the address
9439 * of an element in a multi-dimenasional array of @rank dimensions.
9440 * The returned method takes an array as the first argument and then
9441 * @rank indexes for the @rank dimensions.
9444 mono_marshal_get_array_address (int rank, int elem_size)
9447 MonoMethodBuilder *mb;
9448 MonoMethodSignature *sig;
9449 int i, bounds, ind, realidx;
9450 int branch_pos, *branch_positions;
9454 mono_marshal_lock ();
9455 for (i = 0; i < elem_addr_cache_next; ++i) {
9456 if (elem_addr_cache [i].rank == rank && elem_addr_cache [i].elem_size == elem_size) {
9457 ret = elem_addr_cache [i].method;
9461 mono_marshal_unlock ();
9465 branch_positions = g_new0 (int, rank);
9467 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1 + rank);
9469 /* void* address (void* array, int idx0, int idx1, int idx2, ...) */
9470 sig->ret = &mono_defaults.int_class->byval_arg;
9471 sig->params [0] = &mono_defaults.object_class->byval_arg;
9472 for (i = 0; i < rank; ++i) {
9473 sig->params [i + 1] = &mono_defaults.int32_class->byval_arg;
9476 mb = mono_mb_new (mono_defaults.object_class, "ElementAddr", MONO_WRAPPER_MANAGED_TO_MANAGED);
9478 bounds = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9479 ind = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
9480 realidx = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
9482 /* bounds = array->bounds; */
9483 mono_mb_emit_ldarg (mb, 0);
9484 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoArray, bounds));
9485 mono_mb_emit_byte (mb, CEE_LDIND_I);
9486 mono_mb_emit_stloc (mb, bounds);
9488 /* ind is the overall element index, realidx is the partial index in a single dimension */
9489 /* ind = idx0 - bounds [0].lower_bound */
9490 mono_mb_emit_ldarg (mb, 1);
9491 mono_mb_emit_ldloc (mb, bounds);
9492 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArrayBounds, lower_bound));
9493 mono_mb_emit_byte (mb, CEE_ADD);
9494 mono_mb_emit_byte (mb, CEE_LDIND_I4);
9495 mono_mb_emit_byte (mb, CEE_SUB);
9496 mono_mb_emit_stloc (mb, ind);
9497 /* if (ind >= bounds [0].length) goto exeception; */
9498 mono_mb_emit_ldloc (mb, ind);
9499 mono_mb_emit_ldloc (mb, bounds);
9500 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArrayBounds, length));
9501 mono_mb_emit_byte (mb, CEE_ADD);
9502 mono_mb_emit_byte (mb, CEE_LDIND_I4);
9503 /* note that we use unsigned comparison */
9504 branch_pos = mono_mb_emit_branch (mb, CEE_BGE_UN);
9506 /* For large ranks (> 4?) use a loop n IL later to reduce code size.
9507 * We could also decide to ignore the passed elem_size and get it
9508 * from the array object, to reduce the number of methods we generate:
9509 * the additional cost is 3 memory loads and a non-immediate mul.
9511 for (i = 1; i < rank; ++i) {
9512 /* realidx = idxi - bounds [i].lower_bound */
9513 mono_mb_emit_ldarg (mb, 1 + i);
9514 mono_mb_emit_ldloc (mb, bounds);
9515 mono_mb_emit_icon (mb, (i * sizeof (MonoArrayBounds)) + G_STRUCT_OFFSET (MonoArrayBounds, lower_bound));
9516 mono_mb_emit_byte (mb, CEE_ADD);
9517 mono_mb_emit_byte (mb, CEE_LDIND_I4);
9518 mono_mb_emit_byte (mb, CEE_SUB);
9519 mono_mb_emit_stloc (mb, realidx);
9520 /* if (realidx >= bounds [i].length) goto exeception; */
9521 mono_mb_emit_ldloc (mb, realidx);
9522 mono_mb_emit_ldloc (mb, bounds);
9523 mono_mb_emit_icon (mb, (i * sizeof (MonoArrayBounds)) + G_STRUCT_OFFSET (MonoArrayBounds, length));
9524 mono_mb_emit_byte (mb, CEE_ADD);
9525 mono_mb_emit_byte (mb, CEE_LDIND_I4);
9526 branch_positions [i] = mono_mb_emit_branch (mb, CEE_BGE_UN);
9527 /* ind = ind * bounds [i].length + realidx */
9528 mono_mb_emit_ldloc (mb, ind);
9529 mono_mb_emit_ldloc (mb, bounds);
9530 mono_mb_emit_icon (mb, (i * sizeof (MonoArrayBounds)) + G_STRUCT_OFFSET (MonoArrayBounds, length));
9531 mono_mb_emit_byte (mb, CEE_ADD);
9532 mono_mb_emit_byte (mb, CEE_LDIND_I4);
9533 mono_mb_emit_byte (mb, CEE_MUL);
9534 mono_mb_emit_ldloc (mb, realidx);
9535 mono_mb_emit_byte (mb, CEE_ADD);
9536 mono_mb_emit_stloc (mb, ind);
9539 /* return array->vector + ind * element_size */
9540 mono_mb_emit_ldarg (mb, 0);
9541 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoArray, vector));
9542 mono_mb_emit_ldloc (mb, ind);
9543 mono_mb_emit_icon (mb, elem_size);
9544 mono_mb_emit_byte (mb, CEE_MUL);
9545 mono_mb_emit_byte (mb, CEE_ADD);
9546 mono_mb_emit_byte (mb, CEE_RET);
9548 /* patch the branches to get here and throw */
9549 for (i = 1; i < rank; ++i) {
9550 mono_mb_patch_branch (mb, branch_positions [i]);
9552 mono_mb_patch_branch (mb, branch_pos);
9553 /* throw exception */
9554 mono_mb_emit_exception (mb, "IndexOutOfRangeException", NULL);
9556 g_free (branch_positions);
9557 ret = mono_mb_create_method (mb, sig, 4);
9560 /* cache the result */
9562 mono_marshal_lock ();
9563 for (i = 0; i < elem_addr_cache_next; ++i) {
9564 if (elem_addr_cache [i].rank == rank && elem_addr_cache [i].elem_size == elem_size) {
9565 /* FIXME: free ret */
9566 ret = elem_addr_cache [i].method;
9572 ElementAddrWrapperInfo *info;
9574 if (elem_addr_cache_next >= elem_addr_cache_size) {
9575 int new_size = elem_addr_cache_size + 4;
9576 ArrayElemAddr *new_array = g_new0 (ArrayElemAddr, new_size);
9577 memcpy (new_array, elem_addr_cache, elem_addr_cache_size * sizeof (ArrayElemAddr));
9578 g_free (elem_addr_cache);
9579 elem_addr_cache = new_array;
9580 elem_addr_cache_size = new_size;
9582 elem_addr_cache [elem_addr_cache_next].rank = rank;
9583 elem_addr_cache [elem_addr_cache_next].elem_size = elem_size;
9584 elem_addr_cache [elem_addr_cache_next].method = ret;
9586 info = mono_image_alloc0 (mono_defaults.corlib, sizeof (ElementAddrWrapperInfo));
9588 info->elem_size = elem_size;
9590 mono_marshal_method_set_wrapper_data (ret, info);
9592 mono_marshal_unlock ();
9597 mono_marshal_alloc (gulong size)
9602 res = CoTaskMemAlloc (size);
9604 res = g_try_malloc ((gulong)size);
9606 mono_gc_out_of_memory ((gulong)size);
9612 mono_marshal_free (gpointer ptr)
9615 CoTaskMemFree (ptr);
9622 mono_marshal_free_array (gpointer *ptr, int size)
9629 for (i = 0; i < size; i++)
9635 mono_marshal_string_to_utf16 (MonoString *s)
9637 return s ? mono_string_chars (s) : NULL;
9641 mono_marshal_string_to_utf16_copy (MonoString *s)
9646 gunichar2 *res = mono_marshal_alloc ((mono_string_length (s) * 2) + 2);
9647 memcpy (res, mono_string_chars (s), mono_string_length (s) * 2);
9648 res [mono_string_length (s)] = 0;
9654 * mono_marshal_set_last_error:
9656 * This function is invoked to set the last error value from a P/Invoke call
9657 * which has SetLastError set.
9660 mono_marshal_set_last_error (void)
9663 TlsSetValue (last_error_tls_id, GINT_TO_POINTER (GetLastError ()));
9665 TlsSetValue (last_error_tls_id, GINT_TO_POINTER (errno));
9670 mono_marshal_set_last_error_windows (int error)
9673 TlsSetValue (last_error_tls_id, GINT_TO_POINTER (error));
9678 ves_icall_System_Runtime_InteropServices_Marshal_copy_to_unmanaged (MonoArray *src, gint32 start_index,
9679 gpointer dest, gint32 length)
9684 MONO_ARCH_SAVE_REGS;
9686 MONO_CHECK_ARG_NULL (src);
9687 MONO_CHECK_ARG_NULL (dest);
9689 if (src->obj.vtable->klass->rank != 1)
9690 mono_raise_exception (mono_get_exception_argument ("array", "array is multi-dimensional"));
9691 if (start_index < 0)
9692 mono_raise_exception (mono_get_exception_argument ("startIndex", "Must be >= 0"));
9694 mono_raise_exception (mono_get_exception_argument ("length", "Must be >= 0"));
9695 if (start_index + length > mono_array_length (src))
9696 mono_raise_exception (mono_get_exception_argument ("length", "start_index + length > array length"));
9698 element_size = mono_array_element_size (src->obj.vtable->klass);
9700 /* no references should be involved */
9701 source_addr = mono_array_addr_with_size (src, element_size, start_index);
9703 memcpy (dest, source_addr, length * element_size);
9707 ves_icall_System_Runtime_InteropServices_Marshal_copy_from_unmanaged (gpointer src, gint32 start_index,
9708 MonoArray *dest, gint32 length)
9713 MONO_ARCH_SAVE_REGS;
9715 MONO_CHECK_ARG_NULL (src);
9716 MONO_CHECK_ARG_NULL (dest);
9718 if (dest->obj.vtable->klass->rank != 1)
9719 mono_raise_exception (mono_get_exception_argument ("array", "array is multi-dimensional"));
9720 if (start_index < 0)
9721 mono_raise_exception (mono_get_exception_argument ("startIndex", "Must be >= 0"));
9723 mono_raise_exception (mono_get_exception_argument ("length", "Must be >= 0"));
9724 if (start_index + length > mono_array_length (dest))
9725 mono_raise_exception (mono_get_exception_argument ("length", "start_index + length > array length"));
9727 element_size = mono_array_element_size (dest->obj.vtable->klass);
9729 /* no references should be involved */
9730 dest_addr = mono_array_addr_with_size (dest, element_size, start_index);
9732 memcpy (dest_addr, src, length * element_size);
9735 #if NO_UNALIGNED_ACCESS
9736 #define RETURN_UNALIGNED(type, addr) \
9739 memcpy(&val, p + offset, sizeof(val)); \
9742 #define WRITE_UNALIGNED(type, addr, val) \
9743 memcpy(addr, &val, sizeof(type))
9745 #define RETURN_UNALIGNED(type, addr) \
9746 return *(type*)(p + offset);
9747 #define WRITE_UNALIGNED(type, addr, val) \
9748 (*(type *)(addr) = (val))
9752 ves_icall_System_Runtime_InteropServices_Marshal_ReadIntPtr (gpointer ptr, gint32 offset)
9756 MONO_ARCH_SAVE_REGS;
9758 RETURN_UNALIGNED(gpointer, p + offset);
9762 ves_icall_System_Runtime_InteropServices_Marshal_ReadByte (gpointer ptr, gint32 offset)
9766 MONO_ARCH_SAVE_REGS;
9768 return *(unsigned char*)(p + offset);
9772 ves_icall_System_Runtime_InteropServices_Marshal_ReadInt16 (gpointer ptr, gint32 offset)
9776 MONO_ARCH_SAVE_REGS;
9778 RETURN_UNALIGNED(gint16, p + offset);
9782 ves_icall_System_Runtime_InteropServices_Marshal_ReadInt32 (gpointer ptr, gint32 offset)
9786 MONO_ARCH_SAVE_REGS;
9788 RETURN_UNALIGNED(gint32, p + offset);
9792 ves_icall_System_Runtime_InteropServices_Marshal_ReadInt64 (gpointer ptr, gint32 offset)
9796 MONO_ARCH_SAVE_REGS;
9798 RETURN_UNALIGNED(gint64, p + offset);
9802 ves_icall_System_Runtime_InteropServices_Marshal_WriteByte (gpointer ptr, gint32 offset, unsigned char val)
9806 MONO_ARCH_SAVE_REGS;
9808 *(unsigned char*)(p + offset) = val;
9812 ves_icall_System_Runtime_InteropServices_Marshal_WriteIntPtr (gpointer ptr, gint32 offset, gpointer val)
9816 MONO_ARCH_SAVE_REGS;
9818 WRITE_UNALIGNED(gpointer, p + offset, val);
9822 ves_icall_System_Runtime_InteropServices_Marshal_WriteInt16 (gpointer ptr, gint32 offset, gint16 val)
9826 MONO_ARCH_SAVE_REGS;
9828 WRITE_UNALIGNED(gint16, p + offset, val);
9832 ves_icall_System_Runtime_InteropServices_Marshal_WriteInt32 (gpointer ptr, gint32 offset, gint32 val)
9836 MONO_ARCH_SAVE_REGS;
9838 WRITE_UNALIGNED(gint32, p + offset, val);
9842 ves_icall_System_Runtime_InteropServices_Marshal_WriteInt64 (gpointer ptr, gint32 offset, gint64 val)
9846 MONO_ARCH_SAVE_REGS;
9848 WRITE_UNALIGNED(gint64, p + offset, val);
9852 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringAnsi (char *ptr)
9854 MONO_ARCH_SAVE_REGS;
9859 return mono_string_new (mono_domain_get (), ptr);
9863 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringAnsi_len (char *ptr, gint32 len)
9865 MONO_ARCH_SAVE_REGS;
9868 mono_raise_exception (mono_get_exception_argument_null ("ptr"));
9869 g_assert_not_reached ();
9872 return mono_string_new_len (mono_domain_get (), ptr, len);
9877 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringUni (guint16 *ptr)
9879 MonoDomain *domain = mono_domain_get ();
9883 MONO_ARCH_SAVE_REGS;
9891 return mono_string_new_utf16 (domain, ptr, len);
9895 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringUni_len (guint16 *ptr, gint32 len)
9897 MonoDomain *domain = mono_domain_get ();
9899 MONO_ARCH_SAVE_REGS;
9902 mono_raise_exception (mono_get_exception_argument_null ("ptr"));
9903 g_assert_not_reached ();
9906 return mono_string_new_utf16 (domain, ptr, len);
9911 ves_icall_System_Runtime_InteropServices_Marshal_GetLastWin32Error (void)
9913 MONO_ARCH_SAVE_REGS;
9915 return (GPOINTER_TO_INT (TlsGetValue (last_error_tls_id)));
9919 ves_icall_System_Runtime_InteropServices_Marshal_SizeOf (MonoReflectionType *rtype)
9925 MONO_ARCH_SAVE_REGS;
9927 MONO_CHECK_ARG_NULL (rtype);
9930 klass = mono_class_from_mono_type (type);
9931 layout = (klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK);
9933 if (layout == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
9937 msg = g_strdup_printf ("Type %s cannot be marshaled as an unmanaged structure.", klass->name);
9938 exc = mono_get_exception_argument ("t", msg);
9940 mono_raise_exception (exc);
9944 return mono_class_native_size (klass, NULL);
9948 ves_icall_System_Runtime_InteropServices_Marshal_StructureToPtr (MonoObject *obj, gpointer dst, MonoBoolean delete_old)
9953 MONO_ARCH_SAVE_REGS;
9955 MONO_CHECK_ARG_NULL (obj);
9956 MONO_CHECK_ARG_NULL (dst);
9958 method = mono_marshal_get_struct_to_ptr (obj->vtable->klass);
9962 pa [2] = &delete_old;
9964 mono_runtime_invoke (method, NULL, pa, NULL);
9968 ptr_to_structure (gpointer src, MonoObject *dst)
9973 method = mono_marshal_get_ptr_to_struct (dst->vtable->klass);
9978 mono_runtime_invoke (method, NULL, pa, NULL);
9982 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure (gpointer src, MonoObject *dst)
9986 MONO_ARCH_SAVE_REGS;
9988 MONO_CHECK_ARG_NULL (src);
9989 MONO_CHECK_ARG_NULL (dst);
9991 t = mono_type_get_underlying_type (mono_class_get_type (dst->vtable->klass));
9993 if (t->type == MONO_TYPE_VALUETYPE) {
9997 tmp = g_strdup_printf ("Destination is a boxed value type.");
9998 exc = mono_get_exception_argument ("dst", tmp);
10001 mono_raise_exception (exc);
10005 ptr_to_structure (src, dst);
10009 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure_type (gpointer src, MonoReflectionType *type)
10011 MonoDomain *domain = mono_domain_get ();
10014 MONO_ARCH_SAVE_REGS;
10016 MONO_CHECK_ARG_NULL (src);
10017 MONO_CHECK_ARG_NULL (type);
10019 res = mono_object_new (domain, mono_class_from_mono_type (type->type));
10021 ptr_to_structure (src, res);
10027 ves_icall_System_Runtime_InteropServices_Marshal_OffsetOf (MonoReflectionType *type, MonoString *field_name)
10029 MonoMarshalType *info;
10032 int match_index = -1;
10034 MONO_ARCH_SAVE_REGS;
10036 MONO_CHECK_ARG_NULL (type);
10037 MONO_CHECK_ARG_NULL (field_name);
10039 fname = mono_string_to_utf8 (field_name);
10040 klass = mono_class_from_mono_type (type->type);
10042 while (klass && match_index == -1) {
10043 MonoClassField* field;
10045 gpointer iter = NULL;
10046 while ((field = mono_class_get_fields (klass, &iter))) {
10047 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
10049 if (!strcmp (fname, mono_field_get_name (field))) {
10056 if (match_index == -1)
10057 klass = klass->parent;
10062 if(match_index == -1) {
10063 MonoException* exc;
10066 /* Get back original class instance */
10067 klass = mono_class_from_mono_type (type->type);
10069 tmp = g_strdup_printf ("Field passed in is not a marshaled member of the type %s", klass->name);
10070 exc = mono_get_exception_argument ("fieldName", tmp);
10073 mono_raise_exception ((MonoException*)exc);
10076 info = mono_marshal_load_type_info (klass);
10077 return info->fields [match_index].offset;
10081 ves_icall_System_Runtime_InteropServices_Marshal_StringToHGlobalAnsi (MonoString *string)
10086 tres = mono_string_to_utf8 (string);
10090 len = strlen (tres) + 1;
10091 ret = ves_icall_System_Runtime_InteropServices_Marshal_AllocHGlobal (len);
10092 memcpy (ret, tres, len);
10097 return mono_string_to_utf8 (string);
10102 ves_icall_System_Runtime_InteropServices_Marshal_StringToHGlobalUni (MonoString *string)
10104 MONO_ARCH_SAVE_REGS;
10106 if (string == NULL)
10109 #ifdef TARGET_WIN32
10110 gunichar2 *res = ves_icall_System_Runtime_InteropServices_Marshal_AllocHGlobal
10111 ((mono_string_length (string) + 1) * 2);
10113 gunichar2 *res = g_malloc ((mono_string_length (string) + 1) * 2);
10115 memcpy (res, mono_string_chars (string), mono_string_length (string) * 2);
10116 res [mono_string_length (string)] = 0;
10122 mono_struct_delete_old (MonoClass *klass, char *ptr)
10124 MonoMarshalType *info;
10127 info = mono_marshal_load_type_info (klass);
10129 for (i = 0; i < info->num_fields; i++) {
10130 MonoMarshalNative ntype;
10131 MonoMarshalConv conv;
10132 MonoType *ftype = info->fields [i].field->type;
10135 if (ftype->attrs & FIELD_ATTRIBUTE_STATIC)
10138 ntype = mono_type_to_unmanaged (ftype, info->fields [i].mspec, TRUE,
10139 klass->unicode, &conv);
10141 cpos = ptr + info->fields [i].offset;
10144 case MONO_MARSHAL_CONV_NONE:
10145 if (MONO_TYPE_ISSTRUCT (ftype)) {
10146 mono_struct_delete_old (ftype->data.klass, cpos);
10150 case MONO_MARSHAL_CONV_STR_LPWSTR:
10151 /* We assume this field points inside a MonoString */
10153 case MONO_MARSHAL_CONV_STR_LPTSTR:
10154 #ifdef TARGET_WIN32
10155 /* We assume this field points inside a MonoString
10159 case MONO_MARSHAL_CONV_STR_LPSTR:
10160 case MONO_MARSHAL_CONV_STR_BSTR:
10161 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
10162 case MONO_MARSHAL_CONV_STR_TBSTR:
10163 mono_marshal_free (*(gpointer *)cpos);
10173 ves_icall_System_Runtime_InteropServices_Marshal_DestroyStructure (gpointer src, MonoReflectionType *type)
10177 MONO_ARCH_SAVE_REGS;
10179 MONO_CHECK_ARG_NULL (src);
10180 MONO_CHECK_ARG_NULL (type);
10182 klass = mono_class_from_mono_type (type->type);
10184 mono_struct_delete_old (klass, (char *)src);
10188 ves_icall_System_Runtime_InteropServices_Marshal_AllocHGlobal (int size)
10192 MONO_ARCH_SAVE_REGS;
10194 if ((gulong)size == 0)
10195 /* This returns a valid pointer for size 0 on MS.NET */
10199 res = GlobalAlloc (GMEM_FIXED, (gulong)size);
10201 res = g_try_malloc ((gulong)size);
10204 mono_gc_out_of_memory ((gulong)size);
10210 ves_icall_System_Runtime_InteropServices_Marshal_ReAllocHGlobal (gpointer ptr, int size)
10215 mono_gc_out_of_memory ((gulong)size);
10220 res = GlobalReAlloc (ptr, (gulong)size, GMEM_MOVEABLE);
10222 res = g_try_realloc (ptr, (gulong)size);
10225 mono_gc_out_of_memory ((gulong)size);
10231 ves_icall_System_Runtime_InteropServices_Marshal_FreeHGlobal (void *ptr)
10233 MONO_ARCH_SAVE_REGS;
10243 ves_icall_System_Runtime_InteropServices_Marshal_AllocCoTaskMem (int size)
10245 MONO_ARCH_SAVE_REGS;
10248 return CoTaskMemAlloc (size);
10250 return g_try_malloc ((gulong)size);
10255 ves_icall_System_Runtime_InteropServices_Marshal_FreeCoTaskMem (void *ptr)
10257 MONO_ARCH_SAVE_REGS;
10260 CoTaskMemFree (ptr);
10267 ves_icall_System_Runtime_InteropServices_Marshal_ReAllocCoTaskMem (gpointer ptr, int size)
10269 MONO_ARCH_SAVE_REGS;
10272 return CoTaskMemRealloc (ptr, size);
10274 return g_try_realloc (ptr, (gulong)size);
10279 ves_icall_System_Runtime_InteropServices_Marshal_UnsafeAddrOfPinnedArrayElement (MonoArray *arrayobj, int index)
10281 return mono_array_addr_with_size (arrayobj, mono_array_element_size (arrayobj->obj.vtable->klass), index);
10285 ves_icall_System_Runtime_InteropServices_Marshal_GetDelegateForFunctionPointerInternal (void *ftn, MonoReflectionType *type)
10287 return mono_ftnptr_to_delegate (mono_type_get_class (type->type), ftn);
10291 * mono_marshal_is_loading_type_info:
10293 * Return whenever mono_marshal_load_type_info () is being executed for KLASS by this
10297 mono_marshal_is_loading_type_info (MonoClass *klass)
10299 GSList *loads_list = TlsGetValue (load_type_info_tls_id);
10301 return g_slist_find (loads_list, klass) != NULL;
10305 * mono_marshal_load_type_info:
10307 * Initialize klass->marshal_info using information from metadata. This function can
10308 * recursively call itself, and the caller is responsible to avoid that by calling
10309 * mono_marshal_is_loading_type_info () beforehand.
10311 * LOCKING: Acquires the loader lock.
10314 mono_marshal_load_type_info (MonoClass* klass)
10317 guint32 native_size = 0, min_align = 1;
10318 MonoMarshalType *info;
10319 MonoClassField* field;
10322 GSList *loads_list;
10324 g_assert (klass != NULL);
10326 if (klass->marshal_info)
10327 return klass->marshal_info;
10329 if (!klass->inited)
10330 mono_class_init (klass);
10332 mono_loader_lock ();
10334 if (klass->marshal_info) {
10335 mono_loader_unlock ();
10336 return klass->marshal_info;
10340 * This function can recursively call itself, so we keep the list of classes which are
10341 * under initialization in a TLS list.
10343 g_assert (!mono_marshal_is_loading_type_info (klass));
10344 loads_list = TlsGetValue (load_type_info_tls_id);
10345 loads_list = g_slist_prepend (loads_list, klass);
10346 TlsSetValue (load_type_info_tls_id, loads_list);
10349 while ((field = mono_class_get_fields (klass, &iter))) {
10350 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
10352 if (mono_field_is_deleted (field))
10357 layout = klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK;
10359 /* The mempool is protected by the loader lock */
10360 info = mono_image_alloc0 (klass->image, MONO_SIZEOF_MARSHAL_TYPE + sizeof (MonoMarshalField) * count);
10361 info->num_fields = count;
10363 /* Try to find a size for this type in metadata */
10364 mono_metadata_packing_from_typedef (klass->image, klass->type_token, NULL, &native_size);
10366 if (klass->parent) {
10367 int parent_size = mono_class_native_size (klass->parent, NULL);
10369 /* Add parent size to real size */
10370 native_size += parent_size;
10371 info->native_size = parent_size;
10376 while ((field = mono_class_get_fields (klass, &iter))) {
10380 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
10383 if (mono_field_is_deleted (field))
10385 if (field->type->attrs & FIELD_ATTRIBUTE_HAS_FIELD_MARSHAL)
10386 mono_metadata_field_info_with_mempool (klass->image, mono_metadata_token_index (mono_class_get_field_token (field)) - 1,
10387 NULL, NULL, &info->fields [j].mspec);
10389 info->fields [j].field = field;
10391 if ((mono_class_num_fields (klass) == 1) && (klass->instance_size == sizeof (MonoObject)) &&
10392 (strcmp (mono_field_get_name (field), "$PRIVATE$") == 0)) {
10393 /* This field is a hack inserted by MCS to empty structures */
10398 case TYPE_ATTRIBUTE_AUTO_LAYOUT:
10399 case TYPE_ATTRIBUTE_SEQUENTIAL_LAYOUT:
10400 size = mono_marshal_type_size (field->type, info->fields [j].mspec,
10401 &align, TRUE, klass->unicode);
10402 align = klass->packing_size ? MIN (klass->packing_size, align): align;
10403 min_align = MAX (align, min_align);
10404 info->fields [j].offset = info->native_size;
10405 info->fields [j].offset += align - 1;
10406 info->fields [j].offset &= ~(align - 1);
10407 info->native_size = info->fields [j].offset + size;
10409 case TYPE_ATTRIBUTE_EXPLICIT_LAYOUT:
10410 size = mono_marshal_type_size (field->type, info->fields [j].mspec,
10411 &align, TRUE, klass->unicode);
10412 align = klass->packing_size ? MIN (klass->packing_size, align): align;
10413 min_align = MAX (align, min_align);
10414 info->fields [j].offset = field->offset - sizeof (MonoObject);
10415 info->native_size = MAX (info->native_size, info->fields [j].offset + size);
10421 if(layout != TYPE_ATTRIBUTE_AUTO_LAYOUT) {
10422 info->native_size = MAX (native_size, info->native_size);
10425 if (info->native_size & (min_align - 1)) {
10426 info->native_size += min_align - 1;
10427 info->native_size &= ~(min_align - 1);
10430 info->min_align = min_align;
10432 /* Update the class's blittable info, if the layouts don't match */
10433 if (info->native_size != mono_class_value_size (klass, NULL))
10434 klass->blittable = FALSE;
10436 /* If this is an array type, ensure that we have element info */
10437 if (klass->element_class && !mono_marshal_is_loading_type_info (klass->element_class)) {
10438 mono_marshal_load_type_info (klass->element_class);
10441 loads_list = TlsGetValue (load_type_info_tls_id);
10442 loads_list = g_slist_remove (loads_list, klass);
10443 TlsSetValue (load_type_info_tls_id, loads_list);
10445 /*We do double-checking locking on marshal_info */
10446 mono_memory_barrier ();
10448 klass->marshal_info = info;
10450 mono_loader_unlock ();
10452 return klass->marshal_info;
10456 * mono_class_native_size:
10459 * Returns: the native size of an object instance (when marshaled
10460 * to unmanaged code)
10463 mono_class_native_size (MonoClass *klass, guint32 *align)
10465 if (!klass->marshal_info) {
10466 if (mono_marshal_is_loading_type_info (klass)) {
10471 mono_marshal_load_type_info (klass);
10476 *align = klass->marshal_info->min_align;
10478 return klass->marshal_info->native_size;
10481 /* __alignof__ returns the preferred alignment of values not the actual alignment used by
10482 the compiler so is wrong e.g. for Linux where doubles are aligned on a 4 byte boundary
10483 but __alignof__ returns 8 - using G_STRUCT_OFFSET works better */
10484 #define ALIGNMENT(type) G_STRUCT_OFFSET(struct { char c; type x; }, x)
10487 * mono_type_native_stack_size:
10488 * @t: the type to return the size it uses on the stack
10490 * Returns: the number of bytes required to hold an instance of this
10491 * type on the native stack
10494 mono_type_native_stack_size (MonoType *t, guint32 *align)
10498 g_assert (t != NULL);
10504 *align = sizeof (gpointer);
10505 return sizeof (gpointer);
10509 case MONO_TYPE_BOOLEAN:
10510 case MONO_TYPE_CHAR:
10521 case MONO_TYPE_STRING:
10522 case MONO_TYPE_OBJECT:
10523 case MONO_TYPE_CLASS:
10524 case MONO_TYPE_SZARRAY:
10525 case MONO_TYPE_PTR:
10526 case MONO_TYPE_FNPTR:
10527 case MONO_TYPE_ARRAY:
10528 *align = sizeof (gpointer);
10529 return sizeof (gpointer);
10534 *align = ALIGNMENT (gdouble);
10538 *align = ALIGNMENT (glong);
10540 case MONO_TYPE_GENERICINST:
10541 if (!mono_type_generic_inst_is_valuetype (t)) {
10542 *align = sizeof (gpointer);
10543 return sizeof (gpointer);
10546 case MONO_TYPE_TYPEDBYREF:
10547 case MONO_TYPE_VALUETYPE: {
10549 MonoClass *klass = mono_class_from_mono_type (t);
10551 if (klass->enumtype)
10552 return mono_type_native_stack_size (mono_class_enum_basetype (klass), align);
10554 size = mono_class_native_size (klass, align);
10555 *align = *align + 3;
10565 g_error ("type 0x%02x unknown", t->type);
10571 mono_marshal_type_size (MonoType *type, MonoMarshalSpec *mspec, guint32 *align,
10572 gboolean as_field, gboolean unicode)
10574 MonoMarshalNative native_type = mono_type_to_unmanaged (type, mspec, as_field, unicode, NULL);
10577 switch (native_type) {
10578 case MONO_NATIVE_BOOLEAN:
10581 case MONO_NATIVE_I1:
10582 case MONO_NATIVE_U1:
10585 case MONO_NATIVE_I2:
10586 case MONO_NATIVE_U2:
10587 case MONO_NATIVE_VARIANTBOOL:
10590 case MONO_NATIVE_I4:
10591 case MONO_NATIVE_U4:
10592 case MONO_NATIVE_ERROR:
10595 case MONO_NATIVE_I8:
10596 case MONO_NATIVE_U8:
10597 *align = ALIGNMENT(guint64);
10599 case MONO_NATIVE_R4:
10602 case MONO_NATIVE_R8:
10603 *align = ALIGNMENT(double);
10605 case MONO_NATIVE_INT:
10606 case MONO_NATIVE_UINT:
10607 case MONO_NATIVE_LPSTR:
10608 case MONO_NATIVE_LPWSTR:
10609 case MONO_NATIVE_LPTSTR:
10610 case MONO_NATIVE_BSTR:
10611 case MONO_NATIVE_ANSIBSTR:
10612 case MONO_NATIVE_TBSTR:
10613 case MONO_NATIVE_LPARRAY:
10614 case MONO_NATIVE_SAFEARRAY:
10615 case MONO_NATIVE_IUNKNOWN:
10616 case MONO_NATIVE_IDISPATCH:
10617 case MONO_NATIVE_INTERFACE:
10618 case MONO_NATIVE_ASANY:
10619 case MONO_NATIVE_FUNC:
10620 case MONO_NATIVE_LPSTRUCT:
10621 *align = ALIGNMENT(gpointer);
10622 return sizeof (gpointer);
10623 case MONO_NATIVE_STRUCT:
10624 klass = mono_class_from_mono_type (type);
10625 if (klass == mono_defaults.object_class &&
10626 (mspec && mspec->native == MONO_NATIVE_STRUCT)) {
10630 return mono_class_native_size (klass, align);
10631 case MONO_NATIVE_BYVALTSTR: {
10632 int esize = unicode ? 2: 1;
10635 return mspec->data.array_data.num_elem * esize;
10637 case MONO_NATIVE_BYVALARRAY: {
10638 // FIXME: Have to consider ArraySubType
10640 klass = mono_class_from_mono_type (type);
10641 if (klass->element_class == mono_defaults.char_class) {
10642 esize = unicode ? 2 : 1;
10645 esize = mono_class_native_size (klass->element_class, align);
10648 return mspec->data.array_data.num_elem * esize;
10650 case MONO_NATIVE_CUSTOM:
10651 *align = sizeof (gpointer);
10652 return sizeof (gpointer);
10654 case MONO_NATIVE_CURRENCY:
10655 case MONO_NATIVE_VBBYREFSTR:
10657 g_error ("native type %02x not implemented", native_type);
10660 g_assert_not_reached ();
10665 mono_marshal_asany (MonoObject *o, MonoMarshalNative string_encoding, int param_attrs)
10673 t = &o->vtable->klass->byval_arg;
10677 case MONO_TYPE_PTR:
10680 case MONO_TYPE_BOOLEAN:
10683 case MONO_TYPE_CHAR:
10688 return mono_object_unbox (o);
10690 case MONO_TYPE_STRING:
10691 switch (string_encoding) {
10692 case MONO_NATIVE_LPWSTR:
10693 return mono_string_to_utf16 ((MonoString*)o);
10695 case MONO_NATIVE_LPSTR:
10696 return mono_string_to_lpstr ((MonoString*)o);
10699 g_warning ("marshaling conversion %d not implemented", string_encoding);
10700 g_assert_not_reached ();
10703 case MONO_TYPE_CLASS:
10704 case MONO_TYPE_VALUETYPE: {
10705 MonoMethod *method;
10708 MonoBoolean delete_old = FALSE;
10710 klass = t->data.klass;
10712 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT)
10715 if (klass->valuetype && (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
10716 klass->blittable || klass->enumtype))
10717 return mono_object_unbox (o);
10719 res = mono_marshal_alloc (mono_class_native_size (klass, NULL));
10721 if (!((param_attrs & PARAM_ATTRIBUTE_OUT) && !(param_attrs & PARAM_ATTRIBUTE_IN))) {
10722 method = mono_marshal_get_struct_to_ptr (o->vtable->klass);
10726 pa [2] = &delete_old;
10728 mono_runtime_invoke (method, NULL, pa, NULL);
10735 mono_raise_exception (mono_get_exception_argument ("", "No PInvoke conversion exists for value passed to Object-typed parameter."));
10741 mono_marshal_free_asany (MonoObject *o, gpointer ptr, MonoMarshalNative string_encoding, int param_attrs)
10749 t = &o->vtable->klass->byval_arg;
10751 case MONO_TYPE_STRING:
10752 switch (string_encoding) {
10753 case MONO_NATIVE_LPWSTR:
10754 case MONO_NATIVE_LPSTR:
10755 mono_marshal_free (ptr);
10758 g_warning ("marshaling conversion %d not implemented", string_encoding);
10759 g_assert_not_reached ();
10762 case MONO_TYPE_CLASS:
10763 case MONO_TYPE_VALUETYPE: {
10764 klass = t->data.klass;
10766 if (klass->valuetype && (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
10767 klass->blittable || klass->enumtype))
10770 if (param_attrs & PARAM_ATTRIBUTE_OUT) {
10771 MonoMethod *method = mono_marshal_get_ptr_to_struct (o->vtable->klass);
10777 mono_runtime_invoke (method, NULL, pa, NULL);
10780 if (!((param_attrs & PARAM_ATTRIBUTE_OUT) && !(param_attrs & PARAM_ATTRIBUTE_IN))) {
10781 mono_struct_delete_old (klass, ptr);
10784 mono_marshal_free (ptr);
10793 mono_marshal_get_generic_array_helper (MonoClass *class, MonoClass *iface, gchar *name, MonoMethod *method)
10795 MonoMethodSignature *sig, *csig;
10796 MonoMethodBuilder *mb;
10800 mb = mono_mb_new_no_dup_name (class, name, MONO_WRAPPER_MANAGED_TO_MANAGED);
10801 mb->method->slot = -1;
10803 mb->method->flags = METHOD_ATTRIBUTE_PRIVATE | METHOD_ATTRIBUTE_VIRTUAL |
10804 METHOD_ATTRIBUTE_NEW_SLOT | METHOD_ATTRIBUTE_HIDE_BY_SIG | METHOD_ATTRIBUTE_FINAL;
10806 sig = mono_method_signature (method);
10807 csig = signature_dup (method->klass->image, sig);
10808 csig->generic_param_count = 0;
10810 mono_mb_emit_ldarg (mb, 0);
10811 for (i = 0; i < csig->param_count; i++)
10812 mono_mb_emit_ldarg (mb, i + 1);
10813 mono_mb_emit_managed_call (mb, method, NULL);
10814 mono_mb_emit_byte (mb, CEE_RET);
10816 /* We can corlib internal methods */
10817 mb->skip_visibility = TRUE;
10819 res = mono_mb_create_method (mb, csig, csig->param_count + 16);
10827 * The mono_win32_compat_* functions are implementations of inline
10828 * Windows kernel32 APIs, which are DllImport-able under MS.NET,
10829 * although not exported by kernel32.
10831 * We map the appropiate kernel32 entries to these functions using
10832 * dllmaps declared in the global etc/mono/config.
10836 mono_win32_compat_CopyMemory (gpointer dest, gconstpointer source, gsize length)
10838 if (!dest || !source)
10841 memcpy (dest, source, length);
10845 mono_win32_compat_FillMemory (gpointer dest, gsize length, guchar fill)
10847 memset (dest, fill, length);
10851 mono_win32_compat_MoveMemory (gpointer dest, gconstpointer source, gsize length)
10853 if (!dest || !source)
10856 memmove (dest, source, length);
10860 mono_win32_compat_ZeroMemory (gpointer dest, gsize length)
10862 memset (dest, 0, length);
10866 mono_marshal_find_nonzero_bit_offset (guint8 *buf, int len, int *byte_offset, guint8 *bitmask)
10871 for (i = 0; i < len; ++i)
10875 g_assert (i < len);
10878 while (byte && !(byte & 1))
10880 g_assert (byte == 1);
10883 *bitmask = buf [i];
10887 mono_marshal_get_thunk_invoke_wrapper (MonoMethod *method)
10889 MonoMethodBuilder *mb;
10890 MonoMethodSignature *sig, *csig;
10891 MonoExceptionClause *clause;
10896 int i, param_count, sig_size, pos_leave;
10900 klass = method->klass;
10901 image = method->klass->image;
10902 cache = get_cache (&image->thunk_invoke_cache, mono_aligned_addr_hash, NULL);
10904 if ((res = mono_marshal_find_in_cache (cache, method)))
10907 sig = mono_method_signature (method);
10908 mb = mono_mb_new (klass, method->name, MONO_WRAPPER_NATIVE_TO_MANAGED);
10910 /* add "this" and exception param */
10911 param_count = sig->param_count + sig->hasthis + 1;
10913 /* dup & extend signature */
10914 csig = mono_metadata_signature_alloc (image, param_count);
10915 sig_size = MONO_SIZEOF_METHOD_SIGNATURE + sig->param_count * sizeof (MonoType *);
10916 memcpy (csig, sig, sig_size);
10917 csig->param_count = param_count;
10920 csig->call_convention = MONO_CALL_DEFAULT;
10922 if (sig->hasthis) {
10924 csig->params [0] = &klass->byval_arg;
10925 /* move params up by one */
10926 for (i = 0; i < sig->param_count; i++)
10927 csig->params [i + 1] = sig->params [i];
10930 /* setup exception param as byref+[out] */
10931 csig->params [param_count - 1] = mono_metadata_type_dup (image,
10932 &mono_defaults.exception_class->byval_arg);
10933 csig->params [param_count - 1]->byref = 1;
10934 csig->params [param_count - 1]->attrs = PARAM_ATTRIBUTE_OUT;
10936 /* convert struct return to object */
10937 if (MONO_TYPE_ISSTRUCT (sig->ret))
10938 csig->ret = &mono_defaults.object_class->byval_arg;
10940 /* local 0 (temp for exception object) */
10941 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
10943 /* local 1 (temp for result) */
10944 if (!MONO_TYPE_IS_VOID (sig->ret))
10945 mono_mb_add_local (mb, sig->ret);
10947 /* clear exception arg */
10948 mono_mb_emit_ldarg (mb, param_count - 1);
10949 mono_mb_emit_byte (mb, CEE_LDNULL);
10950 mono_mb_emit_byte (mb, CEE_STIND_REF);
10953 clause = mono_image_alloc0 (image, sizeof (MonoExceptionClause));
10954 clause->try_offset = mono_mb_get_label (mb);
10956 /* push method's args */
10957 for (i = 0; i < param_count - 1; i++) {
10961 mono_mb_emit_ldarg (mb, i);
10963 /* get the byval type of the param */
10964 klass = mono_class_from_mono_type (csig->params [i]);
10965 type = &klass->byval_arg;
10967 /* unbox struct args */
10968 if (MONO_TYPE_ISSTRUCT (type)) {
10969 mono_mb_emit_op (mb, CEE_UNBOX, klass);
10971 /* byref args & and the "this" arg must remain a ptr.
10972 Otherwise make a copy of the value type */
10973 if (!(csig->params [i]->byref || (i == 0 && sig->hasthis)))
10974 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
10976 csig->params [i] = &mono_defaults.object_class->byval_arg;
10981 if (method->flags & METHOD_ATTRIBUTE_VIRTUAL)
10982 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
10984 mono_mb_emit_op (mb, CEE_CALL, method);
10986 /* save result at local 1 */
10987 if (!MONO_TYPE_IS_VOID (sig->ret))
10988 mono_mb_emit_stloc (mb, 1);
10990 pos_leave = mono_mb_emit_branch (mb, CEE_LEAVE);
10993 clause->flags = MONO_EXCEPTION_CLAUSE_NONE;
10994 clause->try_len = mono_mb_get_pos (mb) - clause->try_offset;
10995 clause->data.catch_class = mono_defaults.object_class;
10997 clause->handler_offset = mono_mb_get_label (mb);
10999 /* store exception at local 0 */
11000 mono_mb_emit_stloc (mb, 0);
11001 mono_mb_emit_ldarg (mb, param_count - 1);
11002 mono_mb_emit_ldloc (mb, 0);
11003 mono_mb_emit_byte (mb, CEE_STIND_REF);
11004 mono_mb_emit_branch (mb, CEE_LEAVE);
11006 clause->handler_len = mono_mb_get_pos (mb) - clause->handler_offset;
11008 mono_mb_set_clauses (mb, 1, clause);
11010 mono_mb_patch_branch (mb, pos_leave);
11013 if (!MONO_TYPE_IS_VOID (sig->ret)) {
11014 mono_mb_emit_ldloc (mb, 1);
11016 /* box the return value */
11017 if (MONO_TYPE_ISSTRUCT (sig->ret))
11018 mono_mb_emit_op (mb, CEE_BOX, mono_class_from_mono_type (sig->ret));
11021 mono_mb_emit_byte (mb, CEE_RET);
11023 res = mono_mb_create_and_cache (cache, method, mb, csig, param_count + 16);
11030 * mono_marshal_free_dynamic_wrappers:
11032 * Free wrappers of the dynamic method METHOD.
11035 mono_marshal_free_dynamic_wrappers (MonoMethod *method)
11037 g_assert (method->dynamic);
11039 mono_marshal_lock ();
11041 * FIXME: We currently leak the wrappers. Freeing them would be tricky as
11042 * they could be shared with other methods ?
11044 if (method->klass->image->runtime_invoke_direct_cache)
11045 g_hash_table_remove (method->klass->image->runtime_invoke_direct_cache, method);
11046 mono_marshal_unlock ();
11050 * mono_marshal_free_inflated_wrappers:
11052 * Free wrappers of the inflated method METHOD.
11056 signature_method_pair_matches_signature (gpointer key, gpointer value, gpointer user_data)
11058 SignatureMethodPair *pair = (SignatureMethodPair*)key;
11059 MonoMethodSignature *sig = (MonoMethodSignature*)user_data;
11061 return mono_metadata_signature_equal (pair->sig, sig);
11065 mono_marshal_free_inflated_wrappers (MonoMethod *method)
11067 MonoMethodSignature *sig = method->signature;
11069 g_assert (method->is_inflated);
11071 /* Ignore calls occuring late during cleanup. */
11072 if (!marshal_mutex_initialized)
11075 mono_marshal_lock ();
11077 * FIXME: We currently leak the wrappers. Freeing them would be tricky as
11078 * they could be shared with other methods ?
11082 * indexed by MonoMethodSignature
11084 /* FIXME: This could remove unrelated wrappers as well */
11085 if (sig && method->klass->image->delegate_begin_invoke_cache)
11086 g_hash_table_remove (method->klass->image->delegate_begin_invoke_cache, sig);
11087 if (sig && method->klass->image->delegate_end_invoke_cache)
11088 g_hash_table_remove (method->klass->image->delegate_end_invoke_cache, sig);
11089 if (sig && method->klass->image->delegate_invoke_cache)
11090 g_hash_table_remove (method->klass->image->delegate_invoke_cache, sig);
11091 if (sig && method->klass->image->runtime_invoke_cache)
11092 g_hash_table_remove (method->klass->image->runtime_invoke_cache, sig);
11095 * indexed by SignatureMethodPair
11097 if (sig && method->klass->image->delegate_abstract_invoke_cache)
11098 g_hash_table_foreach_remove (method->klass->image->delegate_abstract_invoke_cache,
11099 signature_method_pair_matches_signature, (gpointer)sig);
11102 * indexed by MonoMethod pointers
11104 if (method->klass->image->runtime_invoke_direct_cache)
11105 g_hash_table_remove (method->klass->image->runtime_invoke_direct_cache, method);
11106 if (method->klass->image->managed_wrapper_cache)
11107 g_hash_table_remove (method->klass->image->managed_wrapper_cache, method);
11108 if (method->klass->image->native_wrapper_cache)
11109 g_hash_table_remove (method->klass->image->native_wrapper_cache, method);
11110 if (method->klass->image->remoting_invoke_cache)
11111 g_hash_table_remove (method->klass->image->remoting_invoke_cache, method);
11112 if (method->klass->image->synchronized_cache)
11113 g_hash_table_remove (method->klass->image->synchronized_cache, method);
11114 if (method->klass->image->unbox_wrapper_cache)
11115 g_hash_table_remove (method->klass->image->unbox_wrapper_cache, method);
11116 if (method->klass->image->cominterop_invoke_cache)
11117 g_hash_table_remove (method->klass->image->cominterop_invoke_cache, method);
11118 if (method->klass->image->cominterop_wrapper_cache)
11119 g_hash_table_remove (method->klass->image->cominterop_wrapper_cache, method);
11120 if (method->klass->image->thunk_invoke_cache)
11121 g_hash_table_remove (method->klass->image->thunk_invoke_cache, method);
11123 mono_marshal_unlock ();