2 * marshal.c: Routines for marshaling complex types in P/Invoke methods.
5 * Paolo Molaro (lupus@ximian.com)
7 * Copyright 2002-2003 Ximian, Inc (http://www.ximian.com)
8 * Copyright 2004-2009 Novell, Inc (http://www.novell.com)
9 * Copyright 2011 Xamarin, Inc (http://www.xamarin.com)
21 #include "metadata/marshal.h"
22 #include "metadata/method-builder.h"
23 #include "metadata/tabledefs.h"
24 #include "metadata/exception.h"
25 #include "metadata/appdomain.h"
26 #include "mono/metadata/abi-details.h"
27 #include "mono/metadata/debug-helpers.h"
28 #include "mono/metadata/threadpool.h"
29 #include "mono/metadata/threads.h"
30 #include "mono/metadata/monitor.h"
31 #include "mono/metadata/metadata-internals.h"
32 #include "mono/metadata/domain-internals.h"
33 #include "mono/metadata/gc-internal.h"
34 #include "mono/metadata/threads-types.h"
35 #include "mono/metadata/string-icalls.h"
36 #include "mono/metadata/attrdefs.h"
37 #include "mono/metadata/gc-internal.h"
38 #include "mono/metadata/cominterop.h"
39 #include "mono/metadata/reflection-internals.h"
40 #include "mono/utils/mono-counters.h"
41 #include "mono/utils/mono-tls.h"
42 #include "mono/utils/mono-memory-model.h"
43 #include "mono/utils/atomic.h"
47 /* #define DEBUG_RUNTIME_CODE */
49 #define OPDEF(a,b,c,d,e,f,g,h,i,j) \
53 MONO_MARSHAL_NONE, /* No marshalling needed */
54 MONO_MARSHAL_COPY, /* Can be copied by value to the new domain */
55 MONO_MARSHAL_COPY_OUT, /* out parameter that needs to be copied back to the original instance */
56 MONO_MARSHAL_SERIALIZE /* Value needs to be serialized into the new domain */
57 } MonoXDomainMarshalType;
60 #include "mono/cil/opcode.def"
65 struct _MonoRemotingMethods {
67 MonoMethod *invoke_with_check;
68 MonoMethod *xdomain_invoke;
69 MonoMethod *xdomain_dispatch;
72 typedef struct _MonoRemotingMethods MonoRemotingMethods;
75 * This mutex protects the various marshalling related caches in MonoImage
76 * and a few other data structures static to this file.
78 * The marshal lock is a non-recursive complex lock that sits below the domain lock in the
79 * runtime locking latice. Which means it can take simple locks suck as the image lock.
81 #define mono_marshal_lock() mono_locks_acquire (&marshal_mutex, MarshalLock)
82 #define mono_marshal_unlock() mono_locks_release (&marshal_mutex, MarshalLock)
83 static mono_mutex_t marshal_mutex;
84 static gboolean marshal_mutex_initialized;
86 static MonoNativeTlsKey last_error_tls_id;
88 static MonoNativeTlsKey load_type_info_tls_id;
90 static gboolean use_aot_wrappers;
93 delegate_hash_table_add (MonoDelegate *d);
96 emit_struct_conv (MonoMethodBuilder *mb, MonoClass *klass, gboolean to_object);
99 emit_struct_conv_full (MonoMethodBuilder *mb, MonoClass *klass, gboolean to_object, MonoMarshalNative string_encoding);
102 mono_struct_delete_old (MonoClass *klass, char *ptr);
105 mono_marshal_string_to_utf16 (MonoString *s);
108 mono_marshal_string_to_utf16_copy (MonoString *s);
111 mono_string_to_lpstr (MonoString *string_obj);
113 static MonoStringBuilder *
114 mono_string_utf8_to_builder2 (char *text);
116 static MonoStringBuilder *
117 mono_string_utf16_to_builder2 (gunichar2 *text);
120 mono_string_new_len_wrapper (const char *text, guint length);
123 mono_string_from_byvalstr (const char *data, int len);
126 mono_string_from_byvalwstr (gunichar2 *data, int len);
129 mono_byvalarray_to_array (MonoArray *arr, gpointer native_arr, MonoClass *eltype, guint32 elnum);
132 mono_byvalarray_to_byte_array (MonoArray *arr, gpointer native_arr, guint32 elnum);
135 mono_array_to_byvalarray (gpointer native_arr, MonoArray *arr, MonoClass *eltype, guint32 elnum);
138 mono_array_to_byte_byvalarray (gpointer native_arr, MonoArray *arr, guint32 elnum);
140 static MonoAsyncResult *
141 mono_delegate_begin_invoke (MonoDelegate *delegate, gpointer *params);
144 mono_delegate_end_invoke (MonoDelegate *delegate, gpointer *params);
147 mono_marshal_xdomain_copy_out_value (MonoObject *src, MonoObject *dst);
150 mono_marshal_set_domain_by_id (gint32 id, MonoBoolean push);
153 mono_marshal_check_domain_image (gint32 domain_id, MonoImage *image);
155 #ifndef DISABLE_REMOTING
157 mono_remoting_wrapper (MonoMethod *method, gpointer *params);
160 mono_upgrade_remote_class_wrapper (MonoReflectionType *rtype, MonoTransparentProxy *tproxy);
164 static MonoReflectionType *
165 type_from_handle (MonoType *handle);
168 mono_marshal_set_last_error_windows (int error);
170 static void init_safe_handle (void);
172 /* MonoMethod pointers to SafeHandle::DangerousAddRef and ::DangerousRelease */
173 static MonoMethod *sh_dangerous_add_ref;
174 static MonoMethod *sh_dangerous_release;
180 sh_dangerous_add_ref = mono_class_get_method_from_name (
181 mono_defaults.safehandle_class, "DangerousAddRef", 1);
182 sh_dangerous_release = mono_class_get_method_from_name (
183 mono_defaults.safehandle_class, "DangerousRelease", 0);
187 register_icall (gpointer func, const char *name, const char *sigstr, gboolean save)
189 MonoMethodSignature *sig = mono_create_icall_signature (sigstr);
191 mono_register_jit_icall (func, name, sig, save);
194 static MonoMethodSignature*
195 signature_dup (MonoImage *image, MonoMethodSignature *sig)
197 MonoMethodSignature *res;
200 res = mono_metadata_signature_alloc (image, sig->param_count);
201 sigsize = MONO_SIZEOF_METHOD_SIGNATURE + sig->param_count * sizeof (MonoType *);
202 memcpy (res, sig, sigsize);
208 mono_signature_no_pinvoke (MonoMethod *method)
210 MonoMethodSignature *sig = mono_method_signature (method);
212 sig = signature_dup (method->klass->image, sig);
213 sig->pinvoke = FALSE;
220 mono_marshal_init_tls (void)
222 mono_native_tls_alloc (&last_error_tls_id, NULL);
223 mono_native_tls_alloc (&load_type_info_tls_id, NULL);
227 mono_marshal_init (void)
229 static gboolean module_initialized = FALSE;
231 if (!module_initialized) {
232 module_initialized = TRUE;
233 mono_mutex_init_recursive (&marshal_mutex);
234 marshal_mutex_initialized = TRUE;
236 register_icall (ves_icall_System_Threading_Thread_ResetAbort, "ves_icall_System_Threading_Thread_ResetAbort", "void", TRUE);
237 register_icall (mono_marshal_string_to_utf16, "mono_marshal_string_to_utf16", "ptr obj", FALSE);
238 register_icall (mono_marshal_string_to_utf16_copy, "mono_marshal_string_to_utf16_copy", "ptr obj", FALSE);
239 register_icall (mono_string_to_utf16, "mono_string_to_utf16", "ptr obj", FALSE);
240 register_icall (mono_string_from_utf16, "mono_string_from_utf16", "obj ptr", FALSE);
241 register_icall (mono_string_from_byvalstr, "mono_string_from_byvalstr", "obj ptr int", FALSE);
242 register_icall (mono_string_from_byvalwstr, "mono_string_from_byvalwstr", "obj ptr int", FALSE);
243 register_icall (mono_string_new_wrapper, "mono_string_new_wrapper", "obj ptr", FALSE);
244 register_icall (mono_string_new_len_wrapper, "mono_string_new_len_wrapper", "obj ptr int", FALSE);
245 register_icall (mono_string_to_utf8, "mono_string_to_utf8", "ptr obj", FALSE);
246 register_icall (mono_string_to_lpstr, "mono_string_to_lpstr", "ptr obj", FALSE);
247 register_icall (mono_string_to_ansibstr, "mono_string_to_ansibstr", "ptr object", FALSE);
248 register_icall (mono_string_builder_to_utf8, "mono_string_builder_to_utf8", "ptr object", FALSE);
249 register_icall (mono_string_builder_to_utf16, "mono_string_builder_to_utf16", "ptr object", FALSE);
250 register_icall (mono_array_to_savearray, "mono_array_to_savearray", "ptr object", FALSE);
251 register_icall (mono_array_to_lparray, "mono_array_to_lparray", "ptr object", FALSE);
252 register_icall (mono_free_lparray, "mono_free_lparray", "void object ptr", FALSE);
253 register_icall (mono_byvalarray_to_array, "mono_byvalarray_to_array", "void object ptr ptr int32", FALSE);
254 register_icall (mono_byvalarray_to_byte_array, "mono_byvalarray_to_byte_array", "void object ptr int32", FALSE);
255 register_icall (mono_array_to_byvalarray, "mono_array_to_byvalarray", "void ptr object ptr int32", FALSE);
256 register_icall (mono_array_to_byte_byvalarray, "mono_array_to_byte_byvalarray", "void ptr object int32", FALSE);
257 register_icall (mono_delegate_to_ftnptr, "mono_delegate_to_ftnptr", "ptr object", FALSE);
258 register_icall (mono_ftnptr_to_delegate, "mono_ftnptr_to_delegate", "object ptr ptr", FALSE);
259 register_icall (mono_marshal_asany, "mono_marshal_asany", "ptr object int32 int32", FALSE);
260 register_icall (mono_marshal_free_asany, "mono_marshal_free_asany", "void object ptr int32 int32", FALSE);
261 register_icall (mono_marshal_alloc, "mono_marshal_alloc", "ptr int32", FALSE);
262 register_icall (mono_marshal_free, "mono_marshal_free", "void ptr", FALSE);
263 register_icall (mono_marshal_set_last_error, "mono_marshal_set_last_error", "void", FALSE);
264 register_icall (mono_marshal_set_last_error_windows, "mono_marshal_set_last_error_windows", "void int32", FALSE);
265 register_icall (mono_string_utf8_to_builder, "mono_string_utf8_to_builder", "void ptr ptr", FALSE);
266 register_icall (mono_string_utf8_to_builder2, "mono_string_utf8_to_builder2", "object ptr", FALSE);
267 register_icall (mono_string_utf16_to_builder, "mono_string_utf16_to_builder", "void ptr ptr", FALSE);
268 register_icall (mono_string_utf16_to_builder2, "mono_string_utf16_to_builder2", "object ptr", FALSE);
269 register_icall (mono_marshal_free_array, "mono_marshal_free_array", "void ptr int32", FALSE);
270 register_icall (mono_string_to_byvalstr, "mono_string_to_byvalstr", "void ptr ptr int32", FALSE);
271 register_icall (mono_string_to_byvalwstr, "mono_string_to_byvalwstr", "void ptr ptr int32", FALSE);
272 register_icall (g_free, "g_free", "void ptr", FALSE);
273 register_icall (mono_object_isinst, "mono_object_isinst", "object object ptr", FALSE);
274 register_icall (mono_struct_delete_old, "mono_struct_delete_old", "void ptr ptr", FALSE);
275 register_icall (mono_delegate_begin_invoke, "mono_delegate_begin_invoke", "object object ptr", FALSE);
276 register_icall (mono_delegate_end_invoke, "mono_delegate_end_invoke", "object object ptr", FALSE);
277 register_icall (mono_marshal_xdomain_copy_value, "mono_marshal_xdomain_copy_value", "object object", FALSE);
278 register_icall (mono_marshal_xdomain_copy_out_value, "mono_marshal_xdomain_copy_out_value", "void object object", FALSE);
279 register_icall (mono_marshal_set_domain_by_id, "mono_marshal_set_domain_by_id", "int32 int32 int32", FALSE);
280 register_icall (mono_marshal_check_domain_image, "mono_marshal_check_domain_image", "int32 int32 ptr", FALSE);
281 register_icall (mono_compile_method, "mono_compile_method", "ptr ptr", FALSE);
282 register_icall (mono_context_get, "mono_context_get", "object", FALSE);
283 register_icall (mono_context_set, "mono_context_set", "void object", FALSE);
284 register_icall (type_from_handle, "type_from_handle", "object ptr", FALSE);
285 register_icall (mono_gc_wbarrier_generic_nostore, "wb_generic", "void ptr", FALSE);
286 register_icall (mono_gchandle_get_target, "mono_gchandle_get_target", "object int32", TRUE);
288 #ifndef DISABLE_REMOTING
289 register_icall (mono_remoting_wrapper, "mono_remoting_wrapper", "object ptr ptr", FALSE);
290 register_icall (mono_upgrade_remote_class_wrapper, "mono_upgrade_remote_class_wrapper", "void object object", FALSE);
292 mono_cominterop_init ();
297 mono_marshal_cleanup (void)
299 mono_cominterop_cleanup ();
301 mono_native_tls_free (load_type_info_tls_id);
302 mono_native_tls_free (last_error_tls_id);
303 mono_mutex_destroy (&marshal_mutex);
304 marshal_mutex_initialized = FALSE;
307 #ifndef DISABLE_REMOTING
308 static MonoClass *byte_array_class;
309 static MonoMethod *method_rs_serialize, *method_rs_deserialize, *method_exc_fixexc, *method_rs_appdomain_target;
310 static MonoMethod *method_set_call_context, *method_needs_context_sink, *method_rs_serialize_exc;
313 mono_remoting_marshal_init (void)
317 static gboolean module_initialized = FALSE;
319 if (!module_initialized) {
320 klass = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting", "RemotingServices");
321 method_rs_serialize = mono_class_get_method_from_name (klass, "SerializeCallData", -1);
322 method_rs_deserialize = mono_class_get_method_from_name (klass, "DeserializeCallData", -1);
323 method_rs_serialize_exc = mono_class_get_method_from_name (klass, "SerializeExceptionData", -1);
325 klass = mono_defaults.real_proxy_class;
326 method_rs_appdomain_target = mono_class_get_method_from_name (klass, "GetAppDomainTarget", -1);
328 klass = mono_defaults.exception_class;
329 method_exc_fixexc = mono_class_get_method_from_name (klass, "FixRemotingException", -1);
331 byte_array_class = mono_array_class_get (mono_defaults.byte_class, 1);
333 klass = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting.Messaging", "CallContext");
334 method_set_call_context = mono_class_get_method_from_name (klass, "SetCurrentCallContext", -1);
336 klass = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting.Contexts", "Context");
337 method_needs_context_sink = mono_class_get_method_from_name (klass, "get_NeedsContextSink", -1);
339 module_initialized = TRUE;
345 mono_delegate_to_ftnptr (MonoDelegate *delegate)
347 MonoMethod *method, *wrapper;
349 uint32_t target_handle = 0;
354 if (delegate->delegate_trampoline)
355 return delegate->delegate_trampoline;
357 klass = ((MonoObject *)delegate)->vtable->klass;
358 g_assert (klass->delegate);
360 method = delegate->method;
362 if (mono_method_signature (method)->pinvoke) {
363 const char *exc_class, *exc_arg;
366 ftnptr = mono_lookup_pinvoke_call (method, &exc_class, &exc_arg);
368 g_assert (exc_class);
369 mono_raise_exception (mono_exception_from_name_msg (mono_defaults.corlib, "System", exc_class, exc_arg));
374 if (delegate->target) {
375 /* Produce a location which can be embedded in JITted code */
376 target_handle = mono_gchandle_new_weakref (delegate->target, FALSE);
379 wrapper = mono_marshal_get_managed_wrapper (method, klass, target_handle);
381 delegate->delegate_trampoline = mono_compile_method (wrapper);
383 // Add the delegate to the delegate hash table
384 delegate_hash_table_add (delegate);
386 /* when the object is collected, collect the dynamic method, too */
387 mono_object_register_finalizer ((MonoObject*)delegate);
389 return delegate->delegate_trampoline;
393 * this hash table maps from a delegate trampoline object to a weak reference
394 * of the delegate. As an optimizations with a non-moving GC we store the
395 * object pointer itself, otherwise we use a GC handle.
397 static GHashTable *delegate_hash_table;
400 delegate_hash_table_new (void) {
401 return g_hash_table_new (NULL, NULL);
405 delegate_hash_table_remove (MonoDelegate *d)
407 guint32 gchandle = 0;
409 mono_marshal_lock ();
410 if (delegate_hash_table == NULL)
411 delegate_hash_table = delegate_hash_table_new ();
412 if (mono_gc_is_moving ())
413 gchandle = GPOINTER_TO_UINT (g_hash_table_lookup (delegate_hash_table, d->delegate_trampoline));
414 g_hash_table_remove (delegate_hash_table, d->delegate_trampoline);
415 mono_marshal_unlock ();
416 if (mono_gc_is_moving ())
417 mono_gchandle_free (gchandle);
421 delegate_hash_table_add (MonoDelegate *d)
424 guint32 old_gchandle;
426 mono_marshal_lock ();
427 if (delegate_hash_table == NULL)
428 delegate_hash_table = delegate_hash_table_new ();
429 if (mono_gc_is_moving ()) {
430 gchandle = mono_gchandle_new_weakref ((MonoObject*)d, FALSE);
431 old_gchandle = GPOINTER_TO_UINT (g_hash_table_lookup (delegate_hash_table, d->delegate_trampoline));
432 g_hash_table_insert (delegate_hash_table, d->delegate_trampoline, GUINT_TO_POINTER (gchandle));
434 mono_gchandle_free (old_gchandle);
436 g_hash_table_insert (delegate_hash_table, d->delegate_trampoline, d);
438 mono_marshal_unlock ();
442 * mono_marshal_use_aot_wrappers:
444 * Instructs this module to use AOT compatible wrappers.
447 mono_marshal_use_aot_wrappers (gboolean use)
449 use_aot_wrappers = use;
453 parse_unmanaged_function_pointer_attr (MonoClass *klass, MonoMethodPInvoke *piinfo)
455 static MonoClass *UnmanagedFunctionPointerAttribute;
456 MonoCustomAttrInfo *cinfo;
457 MonoReflectionUnmanagedFunctionPointerAttribute *attr;
459 if (!UnmanagedFunctionPointerAttribute)
460 UnmanagedFunctionPointerAttribute = mono_class_from_name (mono_defaults.corlib, "System.Runtime.InteropServices", "UnmanagedFunctionPointerAttribute");
462 /* The attribute is only available in Net 2.0 */
463 if (UnmanagedFunctionPointerAttribute) {
465 * The pinvoke attributes are stored in a real custom attribute so we have to
468 cinfo = mono_custom_attrs_from_class (klass);
469 if (cinfo && !mono_runtime_get_no_exec ()) {
471 attr = (MonoReflectionUnmanagedFunctionPointerAttribute*)mono_custom_attrs_get_attr_checked (cinfo, UnmanagedFunctionPointerAttribute, &error);
473 piinfo->piflags = (attr->call_conv << 8) | (attr->charset ? (attr->charset - 1) * 2 : 1) | attr->set_last_error;
475 if (!mono_error_ok (&error)) {
476 g_warning ("Could not load UnmanagedFunctionPointerAttribute due to %s", mono_error_get_message (&error));
477 mono_error_cleanup (&error);
481 mono_custom_attrs_free (cinfo);
487 mono_ftnptr_to_delegate (MonoClass *klass, gpointer ftn)
495 mono_marshal_lock ();
496 if (delegate_hash_table == NULL)
497 delegate_hash_table = delegate_hash_table_new ();
499 if (mono_gc_is_moving ()) {
500 gchandle = GPOINTER_TO_UINT (g_hash_table_lookup (delegate_hash_table, ftn));
501 mono_marshal_unlock ();
503 d = (MonoDelegate*)mono_gchandle_get_target (gchandle);
507 d = g_hash_table_lookup (delegate_hash_table, ftn);
508 mono_marshal_unlock ();
511 /* This is a native function, so construct a delegate for it */
512 MonoMethodSignature *sig;
514 MonoMarshalSpec **mspecs;
515 MonoMethod *invoke = mono_get_delegate_invoke (klass);
516 MonoMethodPInvoke piinfo;
520 if (use_aot_wrappers) {
521 wrapper = mono_marshal_get_native_func_wrapper_aot (klass);
522 this = mono_value_box (mono_domain_get (), mono_defaults.int_class, &ftn);
524 memset (&piinfo, 0, sizeof (piinfo));
525 parse_unmanaged_function_pointer_attr (klass, &piinfo);
527 mspecs = g_new0 (MonoMarshalSpec*, mono_method_signature (invoke)->param_count + 1);
528 mono_method_get_marshal_info (invoke, mspecs);
529 /* Freed below so don't alloc from mempool */
530 sig = mono_metadata_signature_dup (mono_method_signature (invoke));
533 wrapper = mono_marshal_get_native_func_wrapper (klass->image, sig, &piinfo, mspecs, ftn);
536 for (i = mono_method_signature (invoke)->param_count; i >= 0; i--)
538 mono_metadata_free_marshal_spec (mspecs [i]);
543 d = (MonoDelegate*)mono_object_new (mono_domain_get (), klass);
544 mono_delegate_ctor_with_method ((MonoObject*)d, this, mono_compile_method (wrapper), wrapper);
547 if (d->object.vtable->domain != mono_domain_get ())
548 mono_raise_exception (mono_get_exception_not_supported ("Delegates cannot be marshalled from native code into a domain other than their home domain"));
554 mono_delegate_free_ftnptr (MonoDelegate *delegate)
559 delegate_hash_table_remove (delegate);
561 ptr = (gpointer)InterlockedExchangePointer (&delegate->delegate_trampoline, NULL);
563 if (!delegate->target) {
564 /* The wrapper method is shared between delegates -> no need to free it */
573 ji = mono_jit_info_table_find (mono_domain_get (), mono_get_addr_from_ftnptr (ptr));
576 method = mono_jit_info_get_method (ji);
577 method_data = ((MonoMethodWrapper*)method)->method_data;
579 /*the target gchandle is the first entry after size and the wrapper itself.*/
580 gchandle = GPOINTER_TO_UINT (method_data [2]);
583 mono_gchandle_free (gchandle);
585 mono_runtime_free_method (mono_object_domain (delegate), method);
590 mono_string_from_byvalstr (const char *data, int max_len)
592 MonoDomain *domain = mono_domain_get ();
598 while (len < max_len - 1 && data [len])
601 return mono_string_new_len (domain, data, len);
605 mono_string_from_byvalwstr (gunichar2 *data, int max_len)
607 MonoDomain *domain = mono_domain_get ();
613 while (data [len]) len++;
615 return mono_string_new_utf16 (domain, data, MIN (len, max_len));
619 mono_array_to_savearray (MonoArray *array)
624 g_assert_not_reached ();
629 mono_array_to_lparray (MonoArray *array)
632 gpointer *nativeArray = NULL;
633 int nativeArraySize = 0;
643 klass = array->obj.vtable->klass;
645 switch (klass->element_class->byval_arg.type) {
647 g_assert_not_reached ();
649 case MONO_TYPE_CLASS:
650 nativeArraySize = array->max_length;
651 nativeArray = malloc(sizeof(gpointer) * nativeArraySize);
652 for(i = 0; i < nativeArraySize; ++i)
653 nativeArray[i] = ves_icall_System_Runtime_InteropServices_Marshal_GetIUnknownForObjectInternal(((gpointer*)array->vector)[i]);
656 case MONO_TYPE_BOOLEAN:
669 case MONO_TYPE_VALUETYPE:
673 case MONO_TYPE_GENERICINST:
674 case MONO_TYPE_OBJECT:
675 case MONO_TYPE_ARRAY:
676 case MONO_TYPE_SZARRAY:
677 case MONO_TYPE_STRING:
679 g_warning ("type 0x%x not handled", klass->element_class->byval_arg.type);
680 g_assert_not_reached ();
683 return array->vector;
687 mono_free_lparray (MonoArray *array, gpointer* nativeArray)
698 klass = array->obj.vtable->klass;
700 switch (klass->element_class->byval_arg.type) {
701 case MONO_TYPE_CLASS:
702 for(i = 0; i < array->max_length; ++i)
703 mono_marshal_free_ccw(nativeArray[i]);
711 mono_byvalarray_to_array (MonoArray *arr, gpointer native_arr, MonoClass *elclass, guint32 elnum)
713 g_assert (arr->obj.vtable->klass->element_class == mono_defaults.char_class);
715 if (elclass == mono_defaults.byte_class) {
716 GError *error = NULL;
720 ut = g_utf8_to_utf16 (native_arr, elnum, NULL, &items_written, &error);
723 memcpy (mono_array_addr (arr, guint16, 0), ut, items_written * sizeof (guint16));
727 g_error_free (error);
730 g_assert_not_reached ();
734 mono_byvalarray_to_byte_array (MonoArray *arr, gpointer native_arr, guint32 elnum)
736 mono_byvalarray_to_array (arr, native_arr, mono_defaults.byte_class, elnum);
740 mono_array_to_byvalarray (gpointer native_arr, MonoArray *arr, MonoClass *elclass, guint32 elnum)
742 g_assert (arr->obj.vtable->klass->element_class == mono_defaults.char_class);
744 if (elclass == mono_defaults.byte_class) {
746 GError *error = NULL;
748 as = g_utf16_to_utf8 (mono_array_addr (arr, gunichar2, 0), mono_array_length (arr), NULL, NULL, &error);
750 MonoException *exc = mono_get_exception_argument ("string", error->message);
751 g_error_free (error);
752 mono_raise_exception (exc);
755 memcpy (native_arr, as, MIN (strlen (as), elnum));
758 g_assert_not_reached ();
763 mono_array_to_byte_byvalarray (gpointer native_arr, MonoArray *arr, guint32 elnum)
765 mono_array_to_byvalarray (native_arr, arr, mono_defaults.byte_class, elnum);
769 mono_string_utf8_to_builder (MonoStringBuilder *sb, char *text)
771 GError *error = NULL;
781 ut = g_utf8_to_utf16 (text, l, NULL, &items_written, &error);
783 if (items_written > mono_stringbuilder_capacity (sb))
784 items_written = mono_stringbuilder_capacity (sb);
787 if (! sb->str || sb->str == sb->cached_str)
788 MONO_OBJECT_SETREF (sb, str, mono_string_new_size (mono_domain_get (), items_written));
790 memcpy (mono_string_chars (sb->str), ut, items_written * 2);
791 sb->length = items_written;
792 sb->cached_str = NULL;
794 g_error_free (error);
800 mono_string_utf8_to_builder2 (char *text)
803 MonoStringBuilder *sb;
804 static MonoClass *string_builder_class;
805 static MonoMethod *sb_ctor;
812 if (!string_builder_class) {
813 MonoMethodDesc *desc;
815 string_builder_class = mono_class_from_name (mono_defaults.corlib, "System.Text", "StringBuilder");
816 g_assert (string_builder_class);
817 desc = mono_method_desc_new (":.ctor(int)", FALSE);
818 sb_ctor = mono_method_desc_search_in_class (desc, string_builder_class);
820 mono_method_desc_free (desc);
825 sb = (MonoStringBuilder*)mono_object_new (mono_domain_get (), string_builder_class);
828 mono_runtime_invoke (sb_ctor, sb, args, &exc);
831 mono_string_utf8_to_builder (sb, text);
837 * FIXME: This routine does not seem to do what it seems to do
838 * the @text is never copied into the string builder
841 mono_string_utf16_to_builder (MonoStringBuilder *sb, gunichar2 *text)
848 g_assert (mono_string_chars (sb->str) == text);
850 for (len = 0; text [len] != 0; ++len)
857 mono_string_utf16_to_builder2 (gunichar2 *text)
860 MonoStringBuilder *sb;
861 static MonoClass *string_builder_class;
862 static MonoMethod *sb_ctor;
869 if (!string_builder_class) {
870 MonoMethodDesc *desc;
872 string_builder_class = mono_class_from_name (mono_defaults.corlib, "System.Text", "StringBuilder");
873 g_assert (string_builder_class);
874 desc = mono_method_desc_new (":.ctor(int)", FALSE);
875 sb_ctor = mono_method_desc_search_in_class (desc, string_builder_class);
877 mono_method_desc_free (desc);
880 for (len = 0; text [len] != 0; ++len)
883 sb = (MonoStringBuilder*)mono_object_new (mono_domain_get (), string_builder_class);
886 mono_runtime_invoke (sb_ctor, sb, args, &exc);
890 memcpy (mono_string_chars (sb->str), text, len * 2);
896 * mono_string_builder_to_utf8:
897 * @sb: the string builder
899 * Converts to utf8 the contents of the MonoStringBuilder.
901 * Returns: a utf8 string with the contents of the StringBuilder.
903 * The return value must be released with g_free.
906 mono_string_builder_to_utf8 (MonoStringBuilder *sb)
908 GError *error = NULL;
909 gchar *tmp, *res = NULL;
914 if ((sb->str == sb->cached_str) && (sb->str->length == 0)) {
916 * The sb could have been allocated with the default capacity and be empty.
917 * we need to alloc a buffer of the default capacity in this case.
919 MONO_OBJECT_SETREF (sb, str, mono_string_new_size (mono_domain_get (), 16));
920 sb->cached_str = NULL;
923 tmp = g_utf16_to_utf8 (mono_string_chars (sb->str), sb->length, NULL, NULL, &error);
925 g_error_free (error);
926 mono_raise_exception (mono_get_exception_execution_engine ("Failed to convert StringBuilder from utf16 to utf8"));
928 res = mono_marshal_alloc (mono_stringbuilder_capacity (sb) + 1);
929 memcpy (res, tmp, sb->length + 1);
937 * mono_string_builder_to_utf16:
938 * @sb: the string builder
940 * Converts to utf16 the contents of the MonoStringBuilder.
942 * Returns: a utf16 string with the contents of the StringBuilder.
944 * The return value must not be freed.
947 mono_string_builder_to_utf16 (MonoStringBuilder *sb)
955 * The stringbuilder might not have ownership of this string. If this is
956 * the case, we must duplicate the string, so that we don't munge immutable
959 if (sb->str == sb->cached_str) {
961 * The sb could have been allocated with the default capacity and be empty.
962 * we need to alloc a buffer of the default capacity in this case.
964 if (sb->str->length == 0)
965 MONO_OBJECT_SETREF (sb, str, mono_string_new_size (mono_domain_get (), 16));
967 MONO_OBJECT_SETREF (sb, str, mono_string_new_utf16 (mono_domain_get (), mono_string_chars (sb->str), mono_stringbuilder_capacity (sb)));
968 sb->cached_str = NULL;
972 *(mono_string_chars (sb->str)) = '\0';
974 return mono_string_chars (sb->str);
978 mono_string_to_lpstr (MonoString *s)
983 GError *error = NULL;
989 as = CoTaskMemAlloc (1);
994 tmp = g_utf16_to_utf8 (mono_string_chars (s), s->length, NULL, &len, &error);
996 MonoException *exc = mono_get_exception_argument ("string", error->message);
997 g_error_free (error);
998 mono_raise_exception(exc);
1001 as = CoTaskMemAlloc (len + 1);
1002 memcpy (as, tmp, len + 1);
1007 return mono_string_to_utf8 (s);
1012 mono_string_to_ansibstr (MonoString *string_obj)
1014 g_error ("UnmanagedMarshal.BStr is not implemented.");
1019 * mono_string_to_byvalstr:
1020 * @dst: Where to store the null-terminated utf8 decoded string.
1021 * @src: the MonoString to copy.
1022 * @size: the maximum number of bytes to copy.
1024 * Copies the MonoString pointed to by @src as a utf8 string
1025 * into @dst, it copies at most @size bytes into the destination.
1028 mono_string_to_byvalstr (gpointer dst, MonoString *src, int size)
1033 g_assert (dst != NULL);
1034 g_assert (size > 0);
1036 memset (dst, 0, size);
1040 s = mono_string_to_utf8 (src);
1041 len = MIN (size, strlen (s));
1044 memcpy (dst, s, len);
1049 * mono_string_to_byvalwstr:
1050 * @dst: Where to store the null-terminated utf16 decoded string.
1051 * @src: the MonoString to copy.
1052 * @size: the maximum number of bytes to copy.
1054 * Copies the MonoString pointed to by @src as a utf16 string into
1055 * @dst, it copies at most @size bytes into the destination (including
1056 * a terminating 16-bit zero terminator).
1059 mono_string_to_byvalwstr (gpointer dst, MonoString *src, int size)
1063 g_assert (dst != NULL);
1064 g_assert (size > 1);
1067 memset (dst, 0, size * 2);
1071 len = MIN (size, (mono_string_length (src)));
1072 memcpy (dst, mono_string_chars (src), size * 2);
1073 if (size <= mono_string_length (src))
1075 *((gunichar2 *) dst + len) = 0;
1079 mono_string_new_len_wrapper (const char *text, guint length)
1081 return mono_string_new_len (mono_domain_get (), text, length);
1085 #ifndef DISABLE_REMOTING
1087 mono_mb_emit_proxy_check (MonoMethodBuilder *mb, int branch_code)
1090 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoObject, vtable));
1091 mono_mb_emit_byte (mb, CEE_LDIND_I);
1092 mono_mb_emit_icon (mb, MONO_STRUCT_OFFSET (MonoVTable, klass));
1093 mono_mb_emit_byte (mb, CEE_ADD);
1094 mono_mb_emit_byte (mb, CEE_LDIND_I);
1095 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1096 mono_mb_emit_byte (mb, CEE_MONO_CLASSCONST);
1097 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_defaults.transparent_proxy_class));
1098 pos = mono_mb_emit_branch (mb, branch_code);
1103 mono_mb_emit_xdomain_check (MonoMethodBuilder *mb, int branch_code)
1106 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoTransparentProxy, rp));
1107 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1108 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoRealProxy, target_domain_id));
1109 mono_mb_emit_byte (mb, CEE_LDIND_I4);
1110 mono_mb_emit_icon (mb, -1);
1111 pos = mono_mb_emit_branch (mb, branch_code);
1116 mono_mb_emit_contextbound_check (MonoMethodBuilder *mb, int branch_code)
1118 static int offset = -1;
1122 mono_marshal_find_bitfield_offset (MonoClass, contextbound, &offset, &mask);
1124 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoTransparentProxy, remote_class));
1125 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1126 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoRemoteClass, proxy_class));
1127 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1128 mono_mb_emit_ldflda (mb, offset);
1129 mono_mb_emit_byte (mb, CEE_LDIND_U1);
1130 mono_mb_emit_icon (mb, mask);
1131 mono_mb_emit_byte (mb, CEE_AND);
1132 mono_mb_emit_icon (mb, 0);
1133 return mono_mb_emit_branch (mb, branch_code);
1135 #endif /* DISABLE_REMOTING */
1138 * mono_mb_emit_exception_marshal_directive:
1140 * This function assumes ownership of MSG, which should be malloc-ed.
1143 mono_mb_emit_exception_marshal_directive (MonoMethodBuilder *mb, char *msg)
1148 s = mono_image_strdup (mb->method->klass->image, msg);
1153 mono_mb_emit_exception_full (mb, "System.Runtime.InteropServices", "MarshalDirectiveException", s);
1156 #endif /* !DISABLE_JIT */
1159 mono_type_to_ldind (MonoType *type)
1165 switch (type->type) {
1167 return CEE_LDIND_I1;
1169 case MONO_TYPE_BOOLEAN:
1170 return CEE_LDIND_U1;
1172 return CEE_LDIND_I2;
1174 case MONO_TYPE_CHAR:
1175 return CEE_LDIND_U2;
1177 return CEE_LDIND_I4;
1179 return CEE_LDIND_U4;
1183 case MONO_TYPE_FNPTR:
1185 case MONO_TYPE_CLASS:
1186 case MONO_TYPE_STRING:
1187 case MONO_TYPE_OBJECT:
1188 case MONO_TYPE_SZARRAY:
1189 case MONO_TYPE_ARRAY:
1190 return CEE_LDIND_REF;
1193 return CEE_LDIND_I8;
1195 return CEE_LDIND_R4;
1197 return CEE_LDIND_R8;
1198 case MONO_TYPE_VALUETYPE:
1199 if (type->data.klass->enumtype) {
1200 type = mono_class_enum_basetype (type->data.klass);
1204 case MONO_TYPE_TYPEDBYREF:
1206 case MONO_TYPE_GENERICINST:
1207 type = &type->data.generic_class->container_class->byval_arg;
1210 g_error ("unknown type 0x%02x in type_to_ldind", type->type);
1216 mono_type_to_stind (MonoType *type)
1222 switch (type->type) {
1225 case MONO_TYPE_BOOLEAN:
1226 return CEE_STIND_I1;
1229 case MONO_TYPE_CHAR:
1230 return CEE_STIND_I2;
1233 return CEE_STIND_I4;
1237 case MONO_TYPE_FNPTR:
1239 case MONO_TYPE_CLASS:
1240 case MONO_TYPE_STRING:
1241 case MONO_TYPE_OBJECT:
1242 case MONO_TYPE_SZARRAY:
1243 case MONO_TYPE_ARRAY:
1244 return CEE_STIND_REF;
1247 return CEE_STIND_I8;
1249 return CEE_STIND_R4;
1251 return CEE_STIND_R8;
1252 case MONO_TYPE_VALUETYPE:
1253 if (type->data.klass->enumtype) {
1254 type = mono_class_enum_basetype (type->data.klass);
1258 case MONO_TYPE_TYPEDBYREF:
1260 case MONO_TYPE_GENERICINST:
1261 type = &type->data.generic_class->container_class->byval_arg;
1264 g_error ("unknown type 0x%02x in type_to_stind", type->type);
1272 emit_ptr_to_object_conv (MonoMethodBuilder *mb, MonoType *type, MonoMarshalConv conv, MonoMarshalSpec *mspec)
1275 case MONO_MARSHAL_CONV_BOOL_I4:
1276 mono_mb_emit_ldloc (mb, 1);
1277 mono_mb_emit_ldloc (mb, 0);
1278 mono_mb_emit_byte (mb, CEE_LDIND_I4);
1279 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
1280 mono_mb_emit_byte (mb, 3);
1281 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
1282 mono_mb_emit_byte (mb, CEE_BR_S);
1283 mono_mb_emit_byte (mb, 1);
1284 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
1285 mono_mb_emit_byte (mb, CEE_STIND_I1);
1287 case MONO_MARSHAL_CONV_BOOL_VARIANTBOOL:
1288 mono_mb_emit_ldloc (mb, 1);
1289 mono_mb_emit_ldloc (mb, 0);
1290 mono_mb_emit_byte (mb, CEE_LDIND_I2);
1291 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
1292 mono_mb_emit_byte (mb, 3);
1293 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
1294 mono_mb_emit_byte (mb, CEE_BR_S);
1295 mono_mb_emit_byte (mb, 1);
1296 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
1297 mono_mb_emit_byte (mb, CEE_STIND_I1);
1299 case MONO_MARSHAL_CONV_ARRAY_BYVALARRAY: {
1300 MonoClass *eklass = NULL;
1303 if (type->type == MONO_TYPE_SZARRAY) {
1304 eklass = type->data.klass;
1306 g_assert_not_reached ();
1309 esize = mono_class_native_size (eklass, NULL);
1311 /* create a new array */
1312 mono_mb_emit_ldloc (mb, 1);
1313 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1314 mono_mb_emit_op (mb, CEE_NEWARR, eklass);
1315 mono_mb_emit_byte (mb, CEE_STIND_I);
1317 if (eklass->blittable) {
1318 /* copy the elements */
1319 mono_mb_emit_ldloc (mb, 1);
1320 mono_mb_emit_byte (mb, CEE_LDIND_I);
1321 mono_mb_emit_icon (mb, MONO_STRUCT_OFFSET (MonoArray, vector));
1322 mono_mb_emit_byte (mb, CEE_ADD);
1323 mono_mb_emit_ldloc (mb, 0);
1324 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem * esize);
1325 mono_mb_emit_byte (mb, CEE_PREFIX1);
1326 mono_mb_emit_byte (mb, CEE_CPBLK);
1329 int array_var, src_var, dst_var, index_var;
1330 guint32 label2, label3;
1332 array_var = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
1333 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1334 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1337 mono_mb_emit_ldloc (mb, 1);
1338 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1339 mono_mb_emit_stloc (mb, array_var);
1341 /* save the old src pointer */
1342 mono_mb_emit_ldloc (mb, 0);
1343 mono_mb_emit_stloc (mb, src_var);
1344 /* save the old dst pointer */
1345 mono_mb_emit_ldloc (mb, 1);
1346 mono_mb_emit_stloc (mb, dst_var);
1348 /* Emit marshalling loop */
1349 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1350 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
1351 mono_mb_emit_stloc (mb, index_var);
1354 label2 = mono_mb_get_label (mb);
1355 mono_mb_emit_ldloc (mb, index_var);
1356 mono_mb_emit_ldloc (mb, array_var);
1357 mono_mb_emit_byte (mb, CEE_LDLEN);
1358 label3 = mono_mb_emit_branch (mb, CEE_BGE);
1360 /* src is already set */
1363 mono_mb_emit_ldloc (mb, array_var);
1364 mono_mb_emit_ldloc (mb, index_var);
1365 mono_mb_emit_op (mb, CEE_LDELEMA, eklass);
1366 mono_mb_emit_stloc (mb, 1);
1368 /* Do the conversion */
1369 emit_struct_conv (mb, eklass, TRUE);
1372 mono_mb_emit_add_to_local (mb, index_var, 1);
1374 mono_mb_emit_branch_label (mb, CEE_BR, label2);
1376 mono_mb_patch_branch (mb, label3);
1378 /* restore the old src pointer */
1379 mono_mb_emit_ldloc (mb, src_var);
1380 mono_mb_emit_stloc (mb, 0);
1381 /* restore the old dst pointer */
1382 mono_mb_emit_ldloc (mb, dst_var);
1383 mono_mb_emit_stloc (mb, 1);
1387 case MONO_MARSHAL_CONV_ARRAY_BYVALCHARARRAY: {
1388 MonoClass *eclass = mono_defaults.char_class;
1390 /* create a new array */
1391 mono_mb_emit_ldloc (mb, 1);
1392 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1393 mono_mb_emit_op (mb, CEE_NEWARR, eclass);
1394 mono_mb_emit_byte (mb, CEE_STIND_REF);
1396 mono_mb_emit_ldloc (mb, 1);
1397 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1398 mono_mb_emit_ldloc (mb, 0);
1399 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1400 mono_mb_emit_icall (mb, mono_byvalarray_to_byte_array);
1403 case MONO_MARSHAL_CONV_STR_BYVALSTR:
1404 if (mspec && mspec->native == MONO_NATIVE_BYVALTSTR && mspec->data.array_data.num_elem) {
1405 mono_mb_emit_ldloc (mb, 1);
1406 mono_mb_emit_ldloc (mb, 0);
1407 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1408 mono_mb_emit_icall (mb, mono_string_from_byvalstr);
1410 mono_mb_emit_ldloc (mb, 1);
1411 mono_mb_emit_ldloc (mb, 0);
1412 mono_mb_emit_icall (mb, mono_string_new_wrapper);
1414 mono_mb_emit_byte (mb, CEE_STIND_REF);
1416 case MONO_MARSHAL_CONV_STR_BYVALWSTR:
1417 if (mspec && mspec->native == MONO_NATIVE_BYVALTSTR && mspec->data.array_data.num_elem) {
1418 mono_mb_emit_ldloc (mb, 1);
1419 mono_mb_emit_ldloc (mb, 0);
1420 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1421 mono_mb_emit_icall (mb, mono_string_from_byvalwstr);
1423 mono_mb_emit_ldloc (mb, 1);
1424 mono_mb_emit_ldloc (mb, 0);
1425 mono_mb_emit_icall (mb, mono_string_from_utf16);
1427 mono_mb_emit_byte (mb, CEE_STIND_REF);
1429 case MONO_MARSHAL_CONV_STR_LPTSTR:
1430 mono_mb_emit_ldloc (mb, 1);
1431 mono_mb_emit_ldloc (mb, 0);
1432 mono_mb_emit_byte (mb, CEE_LDIND_I);
1434 mono_mb_emit_icall (mb, mono_string_from_utf16);
1436 mono_mb_emit_icall (mb, mono_string_new_wrapper);
1438 mono_mb_emit_byte (mb, CEE_STIND_REF);
1440 case MONO_MARSHAL_CONV_STR_LPSTR:
1441 mono_mb_emit_ldloc (mb, 1);
1442 mono_mb_emit_ldloc (mb, 0);
1443 mono_mb_emit_byte (mb, CEE_LDIND_I);
1444 mono_mb_emit_icall (mb, mono_string_new_wrapper);
1445 mono_mb_emit_byte (mb, CEE_STIND_REF);
1447 case MONO_MARSHAL_CONV_STR_LPWSTR:
1448 mono_mb_emit_ldloc (mb, 1);
1449 mono_mb_emit_ldloc (mb, 0);
1450 mono_mb_emit_byte (mb, CEE_LDIND_I);
1451 mono_mb_emit_icall (mb, mono_string_from_utf16);
1452 mono_mb_emit_byte (mb, CEE_STIND_REF);
1454 case MONO_MARSHAL_CONV_OBJECT_STRUCT: {
1455 MonoClass *klass = mono_class_from_mono_type (type);
1456 int src_var, dst_var;
1458 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1459 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1461 /* *dst = new object */
1462 mono_mb_emit_ldloc (mb, 1);
1463 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1464 mono_mb_emit_op (mb, CEE_MONO_NEWOBJ, klass);
1465 mono_mb_emit_byte (mb, CEE_STIND_REF);
1467 /* save the old src pointer */
1468 mono_mb_emit_ldloc (mb, 0);
1469 mono_mb_emit_stloc (mb, src_var);
1470 /* save the old dst pointer */
1471 mono_mb_emit_ldloc (mb, 1);
1472 mono_mb_emit_stloc (mb, dst_var);
1474 /* dst = pointer to newly created object data */
1475 mono_mb_emit_ldloc (mb, 1);
1476 mono_mb_emit_byte (mb, CEE_LDIND_I);
1477 mono_mb_emit_icon (mb, sizeof (MonoObject));
1478 mono_mb_emit_byte (mb, CEE_ADD);
1479 mono_mb_emit_stloc (mb, 1);
1481 emit_struct_conv (mb, klass, TRUE);
1483 /* restore the old src pointer */
1484 mono_mb_emit_ldloc (mb, src_var);
1485 mono_mb_emit_stloc (mb, 0);
1486 /* restore the old dst pointer */
1487 mono_mb_emit_ldloc (mb, dst_var);
1488 mono_mb_emit_stloc (mb, 1);
1491 case MONO_MARSHAL_CONV_DEL_FTN: {
1492 MonoClass *klass = mono_class_from_mono_type (type);
1494 mono_mb_emit_ldloc (mb, 1);
1495 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1496 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
1497 mono_mb_emit_ldloc (mb, 0);
1498 mono_mb_emit_byte (mb, CEE_LDIND_I);
1499 mono_mb_emit_icall (mb, mono_ftnptr_to_delegate);
1500 mono_mb_emit_byte (mb, CEE_STIND_REF);
1503 case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
1504 g_error ("Structure field of type %s can't be marshalled as LPArray", mono_class_from_mono_type (type)->name);
1508 case MONO_MARSHAL_CONV_OBJECT_INTERFACE:
1509 case MONO_MARSHAL_CONV_OBJECT_IUNKNOWN:
1510 case MONO_MARSHAL_CONV_OBJECT_IDISPATCH:
1511 mono_cominterop_emit_ptr_to_object_conv (mb, type, conv, mspec);
1513 #endif /* DISABLE_COM */
1515 case MONO_MARSHAL_CONV_SAFEHANDLE: {
1517 * Passing SafeHandles as ref does not allow the unmanaged code
1518 * to change the SafeHandle value. If the value is changed,
1519 * we should issue a diagnostic exception (NotSupportedException)
1520 * that informs the user that changes to handles in unmanaged code
1523 * Since we currently have no access to the original
1524 * SafeHandle that was used during the marshalling,
1525 * for now we just ignore this, and ignore/discard any
1526 * changes that might have happened to the handle.
1531 case MONO_MARSHAL_CONV_HANDLEREF: {
1533 * Passing HandleRefs in a struct that is ref()ed does not
1534 * copy the values back to the HandleRef
1539 case MONO_MARSHAL_CONV_STR_BSTR:
1540 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
1541 case MONO_MARSHAL_CONV_STR_TBSTR:
1542 case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
1544 char *msg = g_strdup_printf ("marshaling conversion %d not implemented", conv);
1546 mono_mb_emit_exception_marshal_directive (mb, msg);
1553 conv_to_icall (MonoMarshalConv conv)
1556 case MONO_MARSHAL_CONV_STR_LPWSTR:
1557 return mono_marshal_string_to_utf16;
1558 case MONO_MARSHAL_CONV_LPWSTR_STR:
1559 return mono_string_from_utf16;
1560 case MONO_MARSHAL_CONV_LPTSTR_STR:
1561 return mono_string_new_wrapper;
1562 case MONO_MARSHAL_CONV_LPSTR_STR:
1563 return mono_string_new_wrapper;
1564 case MONO_MARSHAL_CONV_STR_LPTSTR:
1566 return mono_marshal_string_to_utf16;
1568 return mono_string_to_lpstr;
1570 case MONO_MARSHAL_CONV_STR_LPSTR:
1571 return mono_string_to_lpstr;
1572 case MONO_MARSHAL_CONV_STR_BSTR:
1573 return mono_string_to_bstr;
1574 case MONO_MARSHAL_CONV_BSTR_STR:
1575 return mono_string_from_bstr;
1576 case MONO_MARSHAL_CONV_STR_TBSTR:
1577 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
1578 return mono_string_to_ansibstr;
1579 case MONO_MARSHAL_CONV_SB_LPSTR:
1580 return mono_string_builder_to_utf8;
1581 case MONO_MARSHAL_CONV_SB_LPTSTR:
1583 return mono_string_builder_to_utf16;
1585 return mono_string_builder_to_utf8;
1587 case MONO_MARSHAL_CONV_SB_LPWSTR:
1588 return mono_string_builder_to_utf16;
1589 case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
1590 return mono_array_to_savearray;
1591 case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
1592 return mono_array_to_lparray;
1593 case MONO_MARSHAL_FREE_LPARRAY:
1594 return mono_free_lparray;
1595 case MONO_MARSHAL_CONV_DEL_FTN:
1596 return mono_delegate_to_ftnptr;
1597 case MONO_MARSHAL_CONV_FTN_DEL:
1598 return mono_ftnptr_to_delegate;
1599 case MONO_MARSHAL_CONV_LPSTR_SB:
1600 return mono_string_utf8_to_builder;
1601 case MONO_MARSHAL_CONV_LPTSTR_SB:
1603 return mono_string_utf16_to_builder;
1605 return mono_string_utf8_to_builder;
1607 case MONO_MARSHAL_CONV_LPWSTR_SB:
1608 return mono_string_utf16_to_builder;
1609 case MONO_MARSHAL_FREE_ARRAY:
1610 return mono_marshal_free_array;
1611 case MONO_MARSHAL_CONV_STR_BYVALSTR:
1612 return mono_string_to_byvalstr;
1613 case MONO_MARSHAL_CONV_STR_BYVALWSTR:
1614 return mono_string_to_byvalwstr;
1616 g_assert_not_reached ();
1623 emit_object_to_ptr_conv (MonoMethodBuilder *mb, MonoType *type, MonoMarshalConv conv, MonoMarshalSpec *mspec)
1628 case MONO_MARSHAL_CONV_BOOL_I4:
1629 mono_mb_emit_ldloc (mb, 1);
1630 mono_mb_emit_ldloc (mb, 0);
1631 mono_mb_emit_byte (mb, CEE_LDIND_U1);
1632 mono_mb_emit_byte (mb, CEE_STIND_I4);
1634 case MONO_MARSHAL_CONV_BOOL_VARIANTBOOL:
1635 mono_mb_emit_ldloc (mb, 1);
1636 mono_mb_emit_ldloc (mb, 0);
1637 mono_mb_emit_byte (mb, CEE_LDIND_U1);
1638 mono_mb_emit_byte (mb, CEE_NEG);
1639 mono_mb_emit_byte (mb, CEE_STIND_I2);
1641 case MONO_MARSHAL_CONV_STR_LPWSTR:
1642 case MONO_MARSHAL_CONV_STR_LPSTR:
1643 case MONO_MARSHAL_CONV_STR_LPTSTR:
1644 case MONO_MARSHAL_CONV_STR_BSTR:
1645 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
1646 case MONO_MARSHAL_CONV_STR_TBSTR: {
1649 /* free space if free == true */
1650 mono_mb_emit_ldloc (mb, 2);
1651 pos = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
1652 mono_mb_emit_ldloc (mb, 1);
1653 mono_mb_emit_byte (mb, CEE_LDIND_I);
1654 mono_mb_emit_icall (mb, g_free);
1655 mono_mb_patch_short_branch (mb, pos);
1657 mono_mb_emit_ldloc (mb, 1);
1658 mono_mb_emit_ldloc (mb, 0);
1659 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1660 mono_mb_emit_icall (mb, conv_to_icall (conv));
1661 mono_mb_emit_byte (mb, CEE_STIND_I);
1664 case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
1665 case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
1666 case MONO_MARSHAL_CONV_DEL_FTN:
1667 mono_mb_emit_ldloc (mb, 1);
1668 mono_mb_emit_ldloc (mb, 0);
1669 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1670 mono_mb_emit_icall (mb, conv_to_icall (conv));
1671 mono_mb_emit_byte (mb, CEE_STIND_I);
1673 case MONO_MARSHAL_CONV_STR_BYVALSTR:
1674 case MONO_MARSHAL_CONV_STR_BYVALWSTR: {
1677 mono_mb_emit_ldloc (mb, 1); /* dst */
1678 mono_mb_emit_ldloc (mb, 0);
1679 mono_mb_emit_byte (mb, CEE_LDIND_REF); /* src String */
1680 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1681 mono_mb_emit_icall (mb, conv_to_icall (conv));
1684 case MONO_MARSHAL_CONV_ARRAY_BYVALARRAY: {
1685 MonoClass *eklass = NULL;
1688 if (type->type == MONO_TYPE_SZARRAY) {
1689 eklass = type->data.klass;
1691 g_assert_not_reached ();
1694 if (eklass->valuetype)
1695 esize = mono_class_native_size (eklass, NULL);
1697 esize = sizeof (gpointer);
1699 mono_mb_emit_ldloc (mb, 0);
1700 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1701 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
1703 if (eklass->blittable) {
1704 mono_mb_emit_ldloc (mb, 1);
1705 mono_mb_emit_ldloc (mb, 0);
1706 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1707 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoArray, vector));
1708 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem * esize);
1709 mono_mb_emit_byte (mb, CEE_PREFIX1);
1710 mono_mb_emit_byte (mb, CEE_CPBLK);
1712 int array_var, src_var, dst_var, index_var;
1713 guint32 label2, label3;
1715 array_var = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
1716 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1717 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1720 mono_mb_emit_ldloc (mb, 0);
1721 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1722 mono_mb_emit_stloc (mb, array_var);
1724 /* save the old src pointer */
1725 mono_mb_emit_ldloc (mb, 0);
1726 mono_mb_emit_stloc (mb, src_var);
1727 /* save the old dst pointer */
1728 mono_mb_emit_ldloc (mb, 1);
1729 mono_mb_emit_stloc (mb, dst_var);
1731 /* Emit marshalling loop */
1732 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1733 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
1734 mono_mb_emit_stloc (mb, index_var);
1737 label2 = mono_mb_get_label (mb);
1738 mono_mb_emit_ldloc (mb, index_var);
1739 mono_mb_emit_ldloc (mb, array_var);
1740 mono_mb_emit_byte (mb, CEE_LDLEN);
1741 label3 = mono_mb_emit_branch (mb, CEE_BGE);
1744 mono_mb_emit_ldloc (mb, array_var);
1745 mono_mb_emit_ldloc (mb, index_var);
1746 mono_mb_emit_op (mb, CEE_LDELEMA, eklass);
1747 mono_mb_emit_stloc (mb, 0);
1749 /* dst is already set */
1751 /* Do the conversion */
1752 emit_struct_conv (mb, eklass, FALSE);
1755 mono_mb_emit_add_to_local (mb, index_var, 1);
1757 mono_mb_emit_branch_label (mb, CEE_BR, label2);
1759 mono_mb_patch_branch (mb, label3);
1761 /* restore the old src pointer */
1762 mono_mb_emit_ldloc (mb, src_var);
1763 mono_mb_emit_stloc (mb, 0);
1764 /* restore the old dst pointer */
1765 mono_mb_emit_ldloc (mb, dst_var);
1766 mono_mb_emit_stloc (mb, 1);
1769 mono_mb_patch_branch (mb, pos);
1772 case MONO_MARSHAL_CONV_ARRAY_BYVALCHARARRAY: {
1773 mono_mb_emit_ldloc (mb, 0);
1774 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1775 pos = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
1777 mono_mb_emit_ldloc (mb, 1);
1778 mono_mb_emit_ldloc (mb, 0);
1779 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1780 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1781 mono_mb_emit_icall (mb, mono_array_to_byte_byvalarray);
1782 mono_mb_patch_short_branch (mb, pos);
1785 case MONO_MARSHAL_CONV_OBJECT_STRUCT: {
1786 int src_var, dst_var;
1788 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1789 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1791 mono_mb_emit_ldloc (mb, 0);
1792 mono_mb_emit_byte (mb, CEE_LDIND_I);
1793 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
1795 /* save the old src pointer */
1796 mono_mb_emit_ldloc (mb, 0);
1797 mono_mb_emit_stloc (mb, src_var);
1798 /* save the old dst pointer */
1799 mono_mb_emit_ldloc (mb, 1);
1800 mono_mb_emit_stloc (mb, dst_var);
1802 /* src = pointer to object data */
1803 mono_mb_emit_ldloc (mb, 0);
1804 mono_mb_emit_byte (mb, CEE_LDIND_I);
1805 mono_mb_emit_icon (mb, sizeof (MonoObject));
1806 mono_mb_emit_byte (mb, CEE_ADD);
1807 mono_mb_emit_stloc (mb, 0);
1809 emit_struct_conv (mb, mono_class_from_mono_type (type), FALSE);
1811 /* restore the old src pointer */
1812 mono_mb_emit_ldloc (mb, src_var);
1813 mono_mb_emit_stloc (mb, 0);
1814 /* restore the old dst pointer */
1815 mono_mb_emit_ldloc (mb, dst_var);
1816 mono_mb_emit_stloc (mb, 1);
1818 mono_mb_patch_branch (mb, pos);
1823 case MONO_MARSHAL_CONV_OBJECT_INTERFACE:
1824 case MONO_MARSHAL_CONV_OBJECT_IDISPATCH:
1825 case MONO_MARSHAL_CONV_OBJECT_IUNKNOWN:
1826 mono_cominterop_emit_object_to_ptr_conv (mb, type, conv, mspec);
1828 #endif /* DISABLE_COM */
1830 case MONO_MARSHAL_CONV_SAFEHANDLE: {
1831 int dar_release_slot, pos;
1833 dar_release_slot = mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
1836 * The following is ifdefed-out, because I have no way of doing the
1837 * DangerousRelease when destroying the structure
1840 /* set release = false */
1841 mono_mb_emit_icon (mb, 0);
1842 mono_mb_emit_stloc (mb, dar_release_slot);
1843 if (!sh_dangerous_add_ref)
1844 init_safe_handle ();
1846 /* safehandle.DangerousAddRef (ref release) */
1847 mono_mb_emit_ldloc (mb, 0); /* the source */
1848 mono_mb_emit_byte (mb, CEE_LDIND_I);
1849 mono_mb_emit_ldloc_addr (mb, dar_release_slot);
1850 mono_mb_emit_managed_call (mb, sh_dangerous_add_ref, NULL);
1852 mono_mb_emit_ldloc (mb, 0);
1853 mono_mb_emit_byte (mb, CEE_LDIND_I);
1854 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
1855 mono_mb_emit_exception (mb, "ArgumentNullException", NULL);
1856 mono_mb_patch_branch (mb, pos);
1858 /* Pull the handle field from SafeHandle */
1859 mono_mb_emit_ldloc (mb, 1);
1860 mono_mb_emit_ldloc (mb, 0);
1861 mono_mb_emit_byte (mb, CEE_LDIND_I);
1862 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoSafeHandle, handle));
1863 mono_mb_emit_byte (mb, CEE_LDIND_I);
1864 mono_mb_emit_byte (mb, CEE_STIND_I);
1868 case MONO_MARSHAL_CONV_HANDLEREF: {
1869 mono_mb_emit_ldloc (mb, 1);
1870 mono_mb_emit_ldloc (mb, 0);
1871 mono_mb_emit_icon (mb, MONO_STRUCT_OFFSET (MonoHandleRef, handle));
1872 mono_mb_emit_byte (mb, CEE_ADD);
1873 mono_mb_emit_byte (mb, CEE_LDIND_I);
1874 mono_mb_emit_byte (mb, CEE_STIND_I);
1879 char *msg = g_strdup_printf ("marshalling conversion %d not implemented", conv);
1880 MonoException *exc = mono_get_exception_not_implemented (msg);
1881 g_warning ("%s", msg);
1883 mono_raise_exception (exc);
1889 emit_struct_conv_full (MonoMethodBuilder *mb, MonoClass *klass, gboolean to_object,
1890 MonoMarshalNative string_encoding)
1892 MonoMarshalType *info;
1896 emit_struct_conv(mb, klass->parent, to_object);
1898 info = mono_marshal_load_type_info (klass);
1900 if (info->native_size == 0)
1903 if (klass->blittable) {
1904 int msize = mono_class_value_size (klass, NULL);
1905 g_assert (msize == info->native_size);
1906 mono_mb_emit_ldloc (mb, 1);
1907 mono_mb_emit_ldloc (mb, 0);
1908 mono_mb_emit_icon (mb, msize);
1909 mono_mb_emit_byte (mb, CEE_PREFIX1);
1910 mono_mb_emit_byte (mb, CEE_CPBLK);
1912 mono_mb_emit_add_to_local (mb, 0, msize);
1913 mono_mb_emit_add_to_local (mb, 1, msize);
1917 if (klass != mono_defaults.safehandle_class) {
1918 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
1919 char *msg = g_strdup_printf ("Type %s which is passed to unmanaged code must have a StructLayout attribute.",
1920 mono_type_full_name (&klass->byval_arg));
1921 mono_mb_emit_exception_marshal_directive (mb, msg);
1926 for (i = 0; i < info->num_fields; i++) {
1927 MonoMarshalNative ntype;
1928 MonoMarshalConv conv;
1929 MonoType *ftype = info->fields [i].field->type;
1932 gboolean last_field = i < (info->num_fields -1) ? 0 : 1;
1934 if (ftype->attrs & FIELD_ATTRIBUTE_STATIC)
1937 ntype = mono_type_to_unmanaged (ftype, info->fields [i].mspec, TRUE, klass->unicode, &conv);
1940 msize = klass->instance_size - info->fields [i].field->offset;
1941 usize = info->native_size - info->fields [i].offset;
1943 msize = info->fields [i + 1].field->offset - info->fields [i].field->offset;
1944 usize = info->fields [i + 1].offset - info->fields [i].offset;
1947 if (klass != mono_defaults.safehandle_class){
1949 * FIXME: Should really check for usize==0 and msize>0, but we apply
1950 * the layout to the managed structure as well.
1953 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) && (usize == 0)) {
1954 if (MONO_TYPE_IS_REFERENCE (info->fields [i].field->type) ||
1955 ((!last_field && MONO_TYPE_IS_REFERENCE (info->fields [i + 1].field->type))))
1956 g_error ("Type %s which has an [ExplicitLayout] attribute cannot have a "
1957 "reference field at the same offset as another field.",
1958 mono_type_full_name (&klass->byval_arg));
1963 case MONO_MARSHAL_CONV_NONE: {
1966 if (ftype->byref || ftype->type == MONO_TYPE_I ||
1967 ftype->type == MONO_TYPE_U) {
1968 mono_mb_emit_ldloc (mb, 1);
1969 mono_mb_emit_ldloc (mb, 0);
1970 mono_mb_emit_byte (mb, CEE_LDIND_I);
1971 mono_mb_emit_byte (mb, CEE_STIND_I);
1982 case MONO_TYPE_BOOLEAN:
1985 case MONO_TYPE_CHAR:
1991 mono_mb_emit_ldloc (mb, 1);
1992 mono_mb_emit_ldloc (mb, 0);
1993 if (t == MONO_TYPE_CHAR && ntype == MONO_NATIVE_U1 && string_encoding != MONO_NATIVE_LPWSTR) {
1995 mono_mb_emit_byte (mb, CEE_LDIND_U1);
1996 mono_mb_emit_byte (mb, CEE_STIND_I2);
1998 mono_mb_emit_byte (mb, CEE_LDIND_U2);
1999 mono_mb_emit_byte (mb, CEE_STIND_I1);
2002 mono_mb_emit_byte (mb, mono_type_to_ldind (ftype));
2003 mono_mb_emit_byte (mb, mono_type_to_stind (ftype));
2006 case MONO_TYPE_VALUETYPE: {
2007 int src_var, dst_var;
2009 if (ftype->data.klass->enumtype) {
2010 ftype = mono_class_enum_basetype (ftype->data.klass);
2014 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2015 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2017 /* save the old src pointer */
2018 mono_mb_emit_ldloc (mb, 0);
2019 mono_mb_emit_stloc (mb, src_var);
2020 /* save the old dst pointer */
2021 mono_mb_emit_ldloc (mb, 1);
2022 mono_mb_emit_stloc (mb, dst_var);
2024 emit_struct_conv (mb, ftype->data.klass, to_object);
2026 /* restore the old src pointer */
2027 mono_mb_emit_ldloc (mb, src_var);
2028 mono_mb_emit_stloc (mb, 0);
2029 /* restore the old dst pointer */
2030 mono_mb_emit_ldloc (mb, dst_var);
2031 mono_mb_emit_stloc (mb, 1);
2034 case MONO_TYPE_OBJECT: {
2037 static MonoMethod *variant_clear = NULL;
2038 static MonoMethod *get_object_for_native_variant = NULL;
2041 variant_clear = mono_class_get_method_from_name (mono_class_get_variant_class (), "Clear", 0);
2042 if (!get_object_for_native_variant)
2043 get_object_for_native_variant = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetObjectForNativeVariant", 1);
2044 mono_mb_emit_ldloc (mb, 1);
2045 mono_mb_emit_ldloc (mb, 0);
2046 mono_mb_emit_managed_call (mb, get_object_for_native_variant, NULL);
2047 mono_mb_emit_byte (mb, CEE_STIND_REF);
2049 mono_mb_emit_ldloc (mb, 0);
2050 mono_mb_emit_managed_call (mb, variant_clear, NULL);
2053 static MonoMethod *get_native_variant_for_object = NULL;
2055 if (!get_native_variant_for_object)
2056 get_native_variant_for_object = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetNativeVariantForObject", 2);
2058 mono_mb_emit_ldloc (mb, 0);
2059 mono_mb_emit_byte(mb, CEE_LDIND_REF);
2060 mono_mb_emit_ldloc (mb, 1);
2061 mono_mb_emit_managed_call (mb, get_native_variant_for_object, NULL);
2064 char *msg = g_strdup_printf ("COM support was disabled at compilation time.");
2065 mono_mb_emit_exception_marshal_directive (mb, msg);
2071 g_warning ("marshaling type %02x not implemented", ftype->type);
2072 g_assert_not_reached ();
2077 int src_var, dst_var;
2079 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2080 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2082 /* save the old src pointer */
2083 mono_mb_emit_ldloc (mb, 0);
2084 mono_mb_emit_stloc (mb, src_var);
2085 /* save the old dst pointer */
2086 mono_mb_emit_ldloc (mb, 1);
2087 mono_mb_emit_stloc (mb, dst_var);
2090 emit_ptr_to_object_conv (mb, ftype, conv, info->fields [i].mspec);
2092 emit_object_to_ptr_conv (mb, ftype, conv, info->fields [i].mspec);
2094 /* restore the old src pointer */
2095 mono_mb_emit_ldloc (mb, src_var);
2096 mono_mb_emit_stloc (mb, 0);
2097 /* restore the old dst pointer */
2098 mono_mb_emit_ldloc (mb, dst_var);
2099 mono_mb_emit_stloc (mb, 1);
2104 mono_mb_emit_add_to_local (mb, 0, usize);
2105 mono_mb_emit_add_to_local (mb, 1, msize);
2107 mono_mb_emit_add_to_local (mb, 0, msize);
2108 mono_mb_emit_add_to_local (mb, 1, usize);
2114 emit_struct_conv (MonoMethodBuilder *mb, MonoClass *klass, gboolean to_object)
2116 emit_struct_conv_full (mb, klass, to_object, -1);
2120 emit_struct_free (MonoMethodBuilder *mb, MonoClass *klass, int struct_var)
2122 /* Call DestroyStructure */
2123 /* FIXME: Only do this if needed */
2124 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2125 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
2126 mono_mb_emit_ldloc (mb, struct_var);
2127 mono_mb_emit_icall (mb, mono_struct_delete_old);
2131 emit_thread_interrupt_checkpoint_call (MonoMethodBuilder *mb, gpointer checkpoint_func)
2135 mono_mb_emit_ptr (mb, (gpointer) mono_thread_interruption_request_flag ());
2136 mono_mb_emit_byte (mb, CEE_LDIND_U4);
2137 pos_noabort = mono_mb_emit_branch (mb, CEE_BRFALSE);
2139 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2140 mono_mb_emit_byte (mb, CEE_MONO_NOT_TAKEN);
2142 mono_mb_emit_icall (mb, checkpoint_func);
2144 mono_mb_patch_branch (mb, pos_noabort);
2148 emit_thread_interrupt_checkpoint (MonoMethodBuilder *mb)
2150 if (strstr (mb->name, "mono_thread_interruption_checkpoint"))
2153 emit_thread_interrupt_checkpoint_call (mb, mono_thread_interruption_checkpoint);
2157 emit_thread_force_interrupt_checkpoint (MonoMethodBuilder *mb)
2159 emit_thread_interrupt_checkpoint_call (mb, mono_thread_force_interruption_checkpoint);
2163 mono_marshal_emit_thread_interrupt_checkpoint (MonoMethodBuilder *mb)
2165 emit_thread_interrupt_checkpoint (mb);
2168 #endif /* DISABLE_JIT */
2170 static MonoAsyncResult *
2171 mono_delegate_begin_invoke (MonoDelegate *delegate, gpointer *params)
2173 MonoMethodMessage *msg;
2174 MonoDelegate *async_callback;
2175 MonoMulticastDelegate *mcast_delegate;
2179 MonoMethod *method = NULL, *method2 = NULL;
2181 g_assert (delegate);
2182 mcast_delegate = (MonoMulticastDelegate *) delegate;
2183 if (mcast_delegate->prev != NULL)
2184 mono_raise_exception (mono_get_exception_argument (NULL, "The delegate must have only one target"));
2186 #ifndef DISABLE_REMOTING
2187 if (delegate->target && mono_object_class (delegate->target) == mono_defaults.transparent_proxy_class) {
2189 MonoTransparentProxy* tp = (MonoTransparentProxy *)delegate->target;
2190 if (!mono_class_is_contextbound (tp->remote_class->proxy_class) || tp->rp->context != (MonoObject *) mono_context_get ()) {
2192 /* If the target is a proxy, make a direct call. Is proxy's work
2193 // to make the call asynchronous.
2195 MonoAsyncResult *ares;
2197 MonoArray *out_args;
2198 method = delegate->method;
2200 msg = mono_method_call_message_new (mono_marshal_method_from_wrapper (method), params, NULL, &async_callback, &state);
2201 ares = mono_async_result_new (mono_domain_get (), NULL, state, NULL, NULL);
2202 MONO_OBJECT_SETREF (ares, async_delegate, (MonoObject *)delegate);
2203 MONO_OBJECT_SETREF (ares, async_callback, (MonoObject *)async_callback);
2204 MONO_OBJECT_SETREF (msg, async_result, ares);
2205 msg->call_type = CallType_BeginInvoke;
2208 mono_remoting_invoke ((MonoObject *)tp->rp, msg, &exc, &out_args);
2210 mono_raise_exception ((MonoException *) exc);
2216 klass = delegate->object.vtable->klass;
2218 method = mono_get_delegate_invoke (klass);
2219 method2 = mono_class_get_method_from_name (klass, "BeginInvoke", -1);
2222 g_assert (method != NULL);
2224 im = mono_get_delegate_invoke (method->klass);
2225 msg = mono_method_call_message_new (method, params, im, &async_callback, &state);
2227 return mono_thread_pool_add ((MonoObject *)delegate, msg, async_callback, state);
2233 mono_mb_emit_save_args (MonoMethodBuilder *mb, MonoMethodSignature *sig, gboolean save_this)
2235 int i, params_var, tmp_var;
2237 /* allocate local (pointer) *params[] */
2238 params_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2239 /* allocate local (pointer) tmp */
2240 tmp_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2242 /* alloate space on stack to store an array of pointers to the arguments */
2243 mono_mb_emit_icon (mb, sizeof (gpointer) * (sig->param_count + 1));
2244 mono_mb_emit_byte (mb, CEE_PREFIX1);
2245 mono_mb_emit_byte (mb, CEE_LOCALLOC);
2246 mono_mb_emit_stloc (mb, params_var);
2249 mono_mb_emit_ldloc (mb, params_var);
2250 mono_mb_emit_stloc (mb, tmp_var);
2252 if (save_this && sig->hasthis) {
2253 mono_mb_emit_ldloc (mb, tmp_var);
2254 mono_mb_emit_ldarg_addr (mb, 0);
2255 mono_mb_emit_byte (mb, CEE_STIND_I);
2256 /* tmp = tmp + sizeof (gpointer) */
2257 if (sig->param_count)
2258 mono_mb_emit_add_to_local (mb, tmp_var, sizeof (gpointer));
2262 for (i = 0; i < sig->param_count; i++) {
2263 mono_mb_emit_ldloc (mb, tmp_var);
2264 mono_mb_emit_ldarg_addr (mb, i + sig->hasthis);
2265 mono_mb_emit_byte (mb, CEE_STIND_I);
2266 /* tmp = tmp + sizeof (gpointer) */
2267 if (i < (sig->param_count - 1))
2268 mono_mb_emit_add_to_local (mb, tmp_var, sizeof (gpointer));
2274 #endif /* DISABLE_JIT */
2277 mono_signature_to_name (MonoMethodSignature *sig, const char *prefix)
2281 GString *res = g_string_new ("");
2284 g_string_append (res, prefix);
2285 g_string_append_c (res, '_');
2288 mono_type_get_desc (res, sig->ret, FALSE);
2291 g_string_append (res, "__this__");
2293 for (i = 0; i < sig->param_count; ++i) {
2294 g_string_append_c (res, '_');
2295 mono_type_get_desc (res, sig->params [i], FALSE);
2298 g_string_free (res, FALSE);
2303 * mono_marshal_get_string_encoding:
2305 * Return the string encoding which should be used for a given parameter.
2307 static MonoMarshalNative
2308 mono_marshal_get_string_encoding (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
2310 /* First try the parameter marshal info */
2312 if (spec->native == MONO_NATIVE_LPARRAY) {
2313 if ((spec->data.array_data.elem_type != 0) && (spec->data.array_data.elem_type != MONO_NATIVE_MAX))
2314 return spec->data.array_data.elem_type;
2317 return spec->native;
2321 return MONO_NATIVE_LPSTR;
2323 /* Then try the method level marshal info */
2324 switch (piinfo->piflags & PINVOKE_ATTRIBUTE_CHAR_SET_MASK) {
2325 case PINVOKE_ATTRIBUTE_CHAR_SET_ANSI:
2326 return MONO_NATIVE_LPSTR;
2327 case PINVOKE_ATTRIBUTE_CHAR_SET_UNICODE:
2328 return MONO_NATIVE_LPWSTR;
2329 case PINVOKE_ATTRIBUTE_CHAR_SET_AUTO:
2331 return MONO_NATIVE_LPWSTR;
2333 return MONO_NATIVE_LPSTR;
2336 return MONO_NATIVE_LPSTR;
2340 static MonoMarshalConv
2341 mono_marshal_get_string_to_ptr_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
2343 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
2346 case MONO_NATIVE_LPWSTR:
2347 return MONO_MARSHAL_CONV_STR_LPWSTR;
2348 case MONO_NATIVE_LPSTR:
2349 case MONO_NATIVE_VBBYREFSTR:
2350 return MONO_MARSHAL_CONV_STR_LPSTR;
2351 case MONO_NATIVE_LPTSTR:
2352 return MONO_MARSHAL_CONV_STR_LPTSTR;
2353 case MONO_NATIVE_BSTR:
2354 return MONO_MARSHAL_CONV_STR_BSTR;
2360 static MonoMarshalConv
2361 mono_marshal_get_stringbuilder_to_ptr_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
2363 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
2366 case MONO_NATIVE_LPWSTR:
2367 return MONO_MARSHAL_CONV_SB_LPWSTR;
2369 case MONO_NATIVE_LPSTR:
2370 return MONO_MARSHAL_CONV_SB_LPSTR;
2372 case MONO_NATIVE_LPTSTR:
2373 return MONO_MARSHAL_CONV_SB_LPTSTR;
2380 static MonoMarshalConv
2381 mono_marshal_get_ptr_to_string_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec, gboolean *need_free)
2383 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
2388 case MONO_NATIVE_LPWSTR:
2390 return MONO_MARSHAL_CONV_LPWSTR_STR;
2391 case MONO_NATIVE_LPSTR:
2392 case MONO_NATIVE_VBBYREFSTR:
2393 return MONO_MARSHAL_CONV_LPSTR_STR;
2394 case MONO_NATIVE_LPTSTR:
2395 return MONO_MARSHAL_CONV_LPTSTR_STR;
2396 case MONO_NATIVE_BSTR:
2397 return MONO_MARSHAL_CONV_BSTR_STR;
2403 static MonoMarshalConv
2404 mono_marshal_get_ptr_to_stringbuilder_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec, gboolean *need_free)
2406 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
2411 case MONO_NATIVE_LPWSTR:
2413 * mono_string_builder_to_utf16 does not allocate a
2414 * new buffer, so no need to free it.
2417 return MONO_MARSHAL_CONV_LPWSTR_SB;
2418 case MONO_NATIVE_LPSTR:
2419 return MONO_MARSHAL_CONV_LPSTR_SB;
2421 case MONO_NATIVE_LPTSTR:
2422 return MONO_MARSHAL_CONV_LPTSTR_SB;
2430 * Return whenever a field of a native structure or an array member needs to
2434 mono_marshal_need_free (MonoType *t, MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
2436 MonoMarshalNative encoding;
2437 MonoMarshalConv conv;
2440 case MONO_TYPE_VALUETYPE:
2441 /* FIXME: Optimize this */
2443 case MONO_TYPE_OBJECT:
2444 case MONO_TYPE_CLASS:
2445 if (t->data.klass == mono_defaults.stringbuilder_class) {
2447 conv = mono_marshal_get_ptr_to_stringbuilder_conv (piinfo, spec, &need_free);
2451 case MONO_TYPE_STRING:
2452 encoding = mono_marshal_get_string_encoding (piinfo, spec);
2453 return (encoding == MONO_NATIVE_LPWSTR) ? FALSE : TRUE;
2460 * Return the hash table pointed to by VAR, lazily creating it if neccesary.
2463 get_cache (GHashTable **var, GHashFunc hash_func, GCompareFunc equal_func)
2466 mono_marshal_lock ();
2469 g_hash_table_new (hash_func, equal_func);
2470 mono_memory_barrier ();
2473 mono_marshal_unlock ();
2479 get_cache_full (GHashTable **var, GHashFunc hash_func, GCompareFunc equal_func, GDestroyNotify key_destroy_func, GDestroyNotify value_destroy_func)
2482 mono_marshal_lock ();
2485 g_hash_table_new_full (hash_func, equal_func, key_destroy_func, value_destroy_func);
2486 mono_memory_barrier ();
2489 mono_marshal_unlock ();
2495 mono_marshal_get_cache (GHashTable **var, GHashFunc hash_func, GCompareFunc equal_func)
2497 return get_cache (var, hash_func, equal_func);
2501 mono_marshal_find_in_cache (GHashTable *cache, gpointer key)
2505 mono_marshal_lock ();
2506 res = g_hash_table_lookup (cache, key);
2507 mono_marshal_unlock ();
2511 /* Create the method from the builder and place it in the cache */
2513 mono_mb_create_and_cache_full (GHashTable *cache, gpointer key,
2514 MonoMethodBuilder *mb, MonoMethodSignature *sig,
2515 int max_stack, gboolean *out_found)
2522 mono_marshal_lock ();
2523 res = g_hash_table_lookup (cache, key);
2524 mono_marshal_unlock ();
2527 newm = mono_mb_create_method (mb, sig, max_stack);
2528 mono_marshal_lock ();
2529 res = g_hash_table_lookup (cache, key);
2532 g_hash_table_insert (cache, key, res);
2533 mono_marshal_set_wrapper_info (res, key);
2534 mono_marshal_unlock ();
2538 mono_marshal_unlock ();
2539 mono_free_method (newm);
2547 mono_mb_create_and_cache (GHashTable *cache, gpointer key,
2548 MonoMethodBuilder *mb, MonoMethodSignature *sig,
2551 return mono_mb_create_and_cache_full (cache, key, mb, sig, max_stack, NULL);
2554 static inline MonoMethod*
2555 mono_marshal_remoting_find_in_cache (MonoMethod *method, int wrapper_type)
2557 MonoMethod *res = NULL;
2558 MonoRemotingMethods *wrps;
2560 mono_marshal_lock ();
2561 if (method->klass->image->remoting_invoke_cache)
2562 wrps = g_hash_table_lookup (method->klass->image->remoting_invoke_cache, method);
2567 switch (wrapper_type) {
2568 case MONO_WRAPPER_REMOTING_INVOKE: res = wrps->invoke; break;
2569 case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK: res = wrps->invoke_with_check; break;
2570 case MONO_WRAPPER_XDOMAIN_INVOKE: res = wrps->xdomain_invoke; break;
2571 case MONO_WRAPPER_XDOMAIN_DISPATCH: res = wrps->xdomain_dispatch; break;
2575 /* it is important to do the unlock after the load from wrps, since in
2576 * mono_remoting_mb_create_and_cache () we drop the marshal lock to be able
2577 * to take the loader lock and some other thread may set the fields.
2579 mono_marshal_unlock ();
2583 /* Create the method from the builder and place it in the cache */
2584 static inline MonoMethod*
2585 mono_remoting_mb_create_and_cache (MonoMethod *key, MonoMethodBuilder *mb,
2586 MonoMethodSignature *sig, int max_stack)
2588 MonoMethod **res = NULL;
2589 MonoRemotingMethods *wrps;
2590 GHashTable *cache = get_cache_full (&key->klass->image->remoting_invoke_cache, mono_aligned_addr_hash, NULL, NULL, g_free);
2592 mono_marshal_lock ();
2593 wrps = g_hash_table_lookup (cache, key);
2595 wrps = g_new0 (MonoRemotingMethods, 1);
2596 g_hash_table_insert (cache, key, wrps);
2599 switch (mb->method->wrapper_type) {
2600 case MONO_WRAPPER_REMOTING_INVOKE: res = &wrps->invoke; break;
2601 case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK: res = &wrps->invoke_with_check; break;
2602 case MONO_WRAPPER_XDOMAIN_INVOKE: res = &wrps->xdomain_invoke; break;
2603 case MONO_WRAPPER_XDOMAIN_DISPATCH: res = &wrps->xdomain_dispatch; break;
2604 default: g_assert_not_reached (); break;
2606 mono_marshal_unlock ();
2610 newm = mono_mb_create_method (mb, sig, max_stack);
2612 mono_marshal_lock ();
2615 mono_marshal_set_wrapper_info (*res, key);
2616 mono_marshal_unlock ();
2618 mono_marshal_unlock ();
2619 mono_free_method (newm);
2627 mono_marshal_method_from_wrapper (MonoMethod *wrapper)
2630 int wrapper_type = wrapper->wrapper_type;
2633 if (wrapper_type == MONO_WRAPPER_NONE || wrapper_type == MONO_WRAPPER_DYNAMIC_METHOD)
2636 switch (wrapper_type) {
2637 case MONO_WRAPPER_REMOTING_INVOKE:
2638 case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK:
2639 case MONO_WRAPPER_XDOMAIN_INVOKE:
2640 case MONO_WRAPPER_SYNCHRONIZED:
2641 case MONO_WRAPPER_UNBOX:
2642 res = mono_marshal_get_wrapper_info (wrapper);
2645 if (wrapper->is_inflated)
2647 * A method cannot be inflated and a wrapper at the same time, so the wrapper info
2648 * contains an uninflated method.
2650 return mono_class_inflate_generic_method (res, mono_method_get_context (wrapper));
2653 case MONO_WRAPPER_MANAGED_TO_NATIVE:
2654 info = mono_marshal_get_wrapper_info (wrapper);
2655 if (info && (info->subtype == WRAPPER_SUBTYPE_NONE || info->subtype == WRAPPER_SUBTYPE_NATIVE_FUNC_AOT || info->subtype == WRAPPER_SUBTYPE_PINVOKE))
2656 return info->d.managed_to_native.method;
2659 case MONO_WRAPPER_RUNTIME_INVOKE:
2660 info = mono_marshal_get_wrapper_info (wrapper);
2661 if (info && (info->subtype == WRAPPER_SUBTYPE_RUNTIME_INVOKE_DIRECT || info->subtype == WRAPPER_SUBTYPE_RUNTIME_INVOKE_VIRTUAL))
2662 return info->d.runtime_invoke.method;
2671 * mono_marshal_get_wrapper_info:
2673 * Retrieve the pointer stored by mono_marshal_set_wrapper_info. The type of data
2674 * returned depends on the wrapper type. It is usually a method, a class, or a
2675 * WrapperInfo structure.
2678 mono_marshal_get_wrapper_info (MonoMethod *wrapper)
2680 g_assert (wrapper->wrapper_type);
2682 return mono_method_get_wrapper_data (wrapper, 1);
2686 * mono_marshal_set_wrapper_info:
2688 * Store an arbitrary pointer inside the wrapper which is retrievable by
2689 * mono_marshal_get_wrapper_info. The format of the data depends on the type of the
2690 * wrapper (method->wrapper_type).
2693 mono_marshal_set_wrapper_info (MonoMethod *method, gpointer data)
2697 if (method->wrapper_type == MONO_WRAPPER_NONE || method->wrapper_type == MONO_WRAPPER_DYNAMIC_METHOD)
2700 datav = ((MonoMethodWrapper *)method)->method_data;
2705 mono_wrapper_info_create (MonoMethod *wrapper, WrapperSubtype subtype)
2709 info = mono_image_alloc0 (wrapper->klass->image, sizeof (WrapperInfo));
2710 info->subtype = subtype;
2715 * get_wrapper_target_class:
2717 * Return the class where a wrapper method should be placed.
2720 get_wrapper_target_class (MonoImage *image)
2726 * - can't put all wrappers into an mscorlib class, because they reference
2727 * metadata (signature) so they should be put into the same image as the
2728 * method they wrap, so they are unloaded together.
2729 * - putting them into a class with a type initalizer could cause the
2730 * initializer to be executed which can be a problem if the wrappers are
2732 * - putting them into an inflated class can cause problems if the the
2733 * class is deleted because it references an image which is unloaded.
2734 * To avoid these problems, we put the wrappers into the <Module> class of
2737 if (image_is_dynamic (image))
2738 klass = ((MonoDynamicImage*)image)->wrappers_type;
2740 klass = mono_class_get (image, mono_metadata_make_token (MONO_TABLE_TYPEDEF, 1));
2747 * Wrappers for generic methods should be instances of generic wrapper methods, i.e .the wrapper for Sort<int> should be
2748 * an instance of the wrapper for Sort<T>. This is required for full-aot to work.
2752 * check_generic_wrapper_cache:
2754 * Check CACHE for the wrapper of the generic instance ORIG_METHOD, and return it if it is found.
2755 * KEY should be the key for ORIG_METHOD in the cache, while DEF_KEY should be the key of its
2756 * generic method definition.
2759 check_generic_wrapper_cache (GHashTable *cache, MonoMethod *orig_method, gpointer key, gpointer def_key)
2762 MonoMethod *inst, *def;
2763 MonoGenericContext *ctx;
2764 MonoMethod *def_method;
2766 g_assert (orig_method->is_inflated);
2767 def_method = ((MonoMethodInflated*)orig_method)->declaring;
2768 ctx = mono_method_get_context (orig_method);
2771 * Look for the instance
2773 res = mono_marshal_find_in_cache (cache, key);
2778 * Look for the definition
2780 def = mono_marshal_find_in_cache (cache, def_key);
2782 inst = mono_class_inflate_generic_method (def, ctx);
2784 mono_memory_barrier ();
2785 mono_marshal_lock ();
2786 res = g_hash_table_lookup (cache, key);
2788 g_hash_table_insert (cache, key, inst);
2791 mono_marshal_unlock ();
2798 cache_generic_wrapper (GHashTable *cache, MonoMethod *orig_method, MonoMethod *def, MonoGenericContext *ctx, gpointer key)
2800 MonoMethod *inst, *res;
2803 * We use the same cache for the generic definition and the instances.
2805 inst = mono_class_inflate_generic_method (def, ctx);
2806 mono_memory_barrier ();
2807 mono_marshal_lock ();
2808 res = g_hash_table_lookup (cache, key);
2810 g_hash_table_insert (cache, key, inst);
2813 mono_marshal_unlock ();
2818 check_generic_delegate_wrapper_cache (GHashTable *cache, MonoMethod *orig_method, MonoMethod *def_method, MonoGenericContext *ctx)
2821 MonoMethod *inst, *def;
2824 * Look for the instance
2826 res = mono_marshal_find_in_cache (cache, orig_method->klass);
2831 * Look for the definition
2833 def = mono_marshal_find_in_cache (cache, def_method->klass);
2835 inst = mono_class_inflate_generic_method (def, ctx);
2837 mono_memory_barrier ();
2838 mono_marshal_lock ();
2839 res = g_hash_table_lookup (cache, orig_method->klass);
2841 g_hash_table_insert (cache, orig_method->klass, inst);
2844 mono_marshal_unlock ();
2851 cache_generic_delegate_wrapper (GHashTable *cache, MonoMethod *orig_method, MonoMethod *def, MonoGenericContext *ctx)
2853 MonoMethod *inst, *res;
2856 * We use the same cache for the generic definition and the instances.
2858 inst = mono_class_inflate_generic_method (def, ctx);
2859 mono_memory_barrier ();
2860 mono_marshal_lock ();
2861 res = g_hash_table_lookup (cache, orig_method->klass);
2863 g_hash_table_insert (cache, orig_method->klass, inst);
2866 mono_marshal_unlock ();
2871 mono_marshal_get_delegate_begin_invoke (MonoMethod *method)
2873 MonoMethodSignature *sig;
2874 MonoMethodBuilder *mb;
2879 MonoGenericContext *ctx = NULL;
2880 MonoMethod *orig_method = NULL;
2882 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
2883 !strcmp (method->name, "BeginInvoke"));
2886 * For generic delegates, create a generic wrapper, and returns an instance to help AOT.
2888 if (method->is_inflated) {
2889 orig_method = method;
2890 ctx = &((MonoMethodInflated*)method)->context;
2891 method = ((MonoMethodInflated*)method)->declaring;
2894 sig = mono_signature_no_pinvoke (method);
2900 cache = get_cache (&method->klass->image->delegate_begin_invoke_generic_cache, mono_aligned_addr_hash, NULL);
2901 res = check_generic_delegate_wrapper_cache (cache, orig_method, method, ctx);
2905 cache = get_cache (&method->klass->image->delegate_begin_invoke_cache,
2906 (GHashFunc)mono_signature_hash,
2907 (GCompareFunc)mono_metadata_signature_equal);
2908 if ((res = mono_marshal_find_in_cache (cache, sig)))
2912 g_assert (sig->hasthis);
2914 name = mono_signature_to_name (sig, "begin_invoke");
2916 mb = mono_mb_new (method->klass, name, MONO_WRAPPER_DELEGATE_BEGIN_INVOKE);
2918 mb = mono_mb_new (get_wrapper_target_class (method->klass->image), name, MONO_WRAPPER_DELEGATE_BEGIN_INVOKE);
2922 params_var = mono_mb_emit_save_args (mb, sig, FALSE);
2924 mono_mb_emit_ldarg (mb, 0);
2925 mono_mb_emit_ldloc (mb, params_var);
2926 mono_mb_emit_icall (mb, mono_delegate_begin_invoke);
2927 mono_mb_emit_byte (mb, CEE_RET);
2932 def = mono_mb_create_and_cache (cache, method->klass, mb, sig, sig->param_count + 16);
2933 res = cache_generic_delegate_wrapper (cache, orig_method, def, ctx);
2935 res = mono_mb_create_and_cache (cache, sig, mb, sig, sig->param_count + 16);
2943 mono_delegate_end_invoke (MonoDelegate *delegate, gpointer *params)
2945 MonoDomain *domain = mono_domain_get ();
2946 MonoAsyncResult *ares;
2947 MonoMethod *method = NULL;
2948 MonoMethodSignature *sig;
2949 MonoMethodMessage *msg;
2950 MonoObject *res, *exc;
2951 MonoArray *out_args;
2954 g_assert (delegate);
2956 if (!delegate->method_info) {
2957 g_assert (delegate->method);
2958 MONO_OBJECT_SETREF (delegate, method_info, mono_method_get_object (domain, delegate->method, NULL));
2961 if (!delegate->method_info || !delegate->method_info->method)
2962 g_assert_not_reached ();
2964 klass = delegate->object.vtable->klass;
2966 method = mono_class_get_method_from_name (klass, "EndInvoke", -1);
2967 g_assert (method != NULL);
2969 sig = mono_signature_no_pinvoke (method);
2971 msg = mono_method_call_message_new (method, params, NULL, NULL, NULL);
2973 ares = mono_array_get (msg->args, gpointer, sig->param_count - 1);
2975 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."));
2979 if (ares->async_delegate != (MonoObject*)delegate) {
2980 mono_raise_exception (mono_get_exception_invalid_operation (
2981 "The IAsyncResult object provided does not match this delegate."));
2985 #ifndef DISABLE_REMOTING
2986 if (delegate->target && mono_object_is_transparent_proxy (delegate->target)) {
2987 MonoTransparentProxy* tp = (MonoTransparentProxy *)delegate->target;
2988 msg = (MonoMethodMessage *)mono_object_new (domain, mono_defaults.mono_method_message_class);
2989 mono_message_init (domain, msg, delegate->method_info, NULL);
2990 msg->call_type = CallType_EndInvoke;
2991 MONO_OBJECT_SETREF (msg, async_result, ares);
2992 res = mono_remoting_invoke ((MonoObject *)tp->rp, msg, &exc, &out_args);
2996 res = mono_thread_pool_finish (ares, &out_args, &exc);
3000 if (((MonoException*)exc)->stack_trace) {
3001 char *strace = mono_string_to_utf8 (((MonoException*)exc)->stack_trace);
3003 tmp = g_strdup_printf ("%s\nException Rethrown at:\n", strace);
3005 MONO_OBJECT_SETREF (((MonoException*)exc), stack_trace, mono_string_new (domain, tmp));
3008 mono_raise_exception ((MonoException*)exc);
3011 mono_method_return_message_restore (method, params, out_args);
3018 mono_mb_emit_restore_result (MonoMethodBuilder *mb, MonoType *return_type)
3020 MonoType *t = mono_type_get_underlying_type (return_type);
3022 if (return_type->byref)
3023 return_type = &mono_defaults.int_class->byval_arg;
3026 case MONO_TYPE_VOID:
3027 g_assert_not_reached ();
3030 case MONO_TYPE_STRING:
3031 case MONO_TYPE_CLASS:
3032 case MONO_TYPE_OBJECT:
3033 case MONO_TYPE_ARRAY:
3034 case MONO_TYPE_SZARRAY:
3038 case MONO_TYPE_BOOLEAN:
3041 case MONO_TYPE_CHAR:
3051 mono_mb_emit_op (mb, CEE_UNBOX, mono_class_from_mono_type (return_type));
3052 mono_mb_emit_byte (mb, mono_type_to_ldind (return_type));
3054 case MONO_TYPE_GENERICINST:
3055 if (!mono_type_generic_inst_is_valuetype (t))
3058 case MONO_TYPE_VALUETYPE: {
3059 MonoClass *klass = mono_class_from_mono_type (return_type);
3060 mono_mb_emit_op (mb, CEE_UNBOX, klass);
3061 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
3065 case MONO_TYPE_MVAR: {
3066 MonoClass *klass = mono_class_from_mono_type (return_type);
3067 mono_mb_emit_op (mb, CEE_UNBOX_ANY, klass);
3071 g_warning ("type 0x%x not handled", return_type->type);
3072 g_assert_not_reached ();
3075 mono_mb_emit_byte (mb, CEE_RET);
3078 #endif /* DISABLE_JIT */
3081 mono_marshal_get_delegate_end_invoke (MonoMethod *method)
3083 MonoMethodSignature *sig;
3084 MonoMethodBuilder *mb;
3089 MonoGenericContext *ctx = NULL;
3090 MonoMethod *orig_method = NULL;
3092 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
3093 !strcmp (method->name, "EndInvoke"));
3096 * For generic delegates, create a generic wrapper, and returns an instance to help AOT.
3098 if (method->is_inflated) {
3099 orig_method = method;
3100 ctx = &((MonoMethodInflated*)method)->context;
3101 method = ((MonoMethodInflated*)method)->declaring;
3104 sig = mono_signature_no_pinvoke (method);
3110 cache = get_cache (&method->klass->image->delegate_end_invoke_generic_cache, mono_aligned_addr_hash, NULL);
3111 res = check_generic_delegate_wrapper_cache (cache, orig_method, method, ctx);
3115 cache = get_cache (&method->klass->image->delegate_end_invoke_cache,
3116 (GHashFunc)mono_signature_hash,
3117 (GCompareFunc)mono_metadata_signature_equal);
3118 if ((res = mono_marshal_find_in_cache (cache, sig)))
3122 g_assert (sig->hasthis);
3124 name = mono_signature_to_name (sig, "end_invoke");
3126 mb = mono_mb_new (method->klass, name, MONO_WRAPPER_DELEGATE_END_INVOKE);
3128 mb = mono_mb_new (get_wrapper_target_class (method->klass->image), name, MONO_WRAPPER_DELEGATE_END_INVOKE);
3132 params_var = mono_mb_emit_save_args (mb, sig, FALSE);
3134 mono_mb_emit_ldarg (mb, 0);
3135 mono_mb_emit_ldloc (mb, params_var);
3136 mono_mb_emit_icall (mb, mono_delegate_end_invoke);
3138 if (sig->ret->type == MONO_TYPE_VOID) {
3139 mono_mb_emit_byte (mb, CEE_POP);
3140 mono_mb_emit_byte (mb, CEE_RET);
3142 mono_mb_emit_restore_result (mb, sig->ret);
3147 def = mono_mb_create_and_cache (cache, method->klass, mb, sig, sig->param_count + 16);
3148 res = cache_generic_delegate_wrapper (cache, orig_method, def, ctx);
3150 res = mono_mb_create_and_cache (cache, sig,
3151 mb, sig, sig->param_count + 16);
3158 #ifndef DISABLE_REMOTING
3161 mono_remoting_wrapper (MonoMethod *method, gpointer *params)
3163 MonoMethodMessage *msg;
3164 MonoTransparentProxy *this;
3165 MonoObject *res, *exc;
3166 MonoArray *out_args;
3168 this = *((MonoTransparentProxy **)params [0]);
3171 g_assert (((MonoObject *)this)->vtable->klass == mono_defaults.transparent_proxy_class);
3173 /* skip the this pointer */
3176 if (mono_class_is_contextbound (this->remote_class->proxy_class) && this->rp->context == (MonoObject *) mono_context_get ())
3179 MonoMethodSignature *sig = mono_method_signature (method);
3180 int count = sig->param_count;
3181 gpointer* mparams = (gpointer*) alloca(count*sizeof(gpointer));
3183 for (i=0; i<count; i++) {
3184 MonoClass *class = mono_class_from_mono_type (sig->params [i]);
3185 if (class->valuetype) {
3186 if (sig->params [i]->byref) {
3187 mparams[i] = *((gpointer *)params [i]);
3189 /* runtime_invoke expects a boxed instance */
3190 if (mono_class_is_nullable (mono_class_from_mono_type (sig->params [i])))
3191 mparams[i] = mono_nullable_box (params [i], class);
3193 mparams[i] = params [i];
3196 mparams[i] = *((gpointer**)params [i]);
3200 return mono_runtime_invoke (method, method->klass->valuetype? mono_object_unbox ((MonoObject*)this): this, mparams, NULL);
3203 msg = mono_method_call_message_new (method, params, NULL, NULL, NULL);
3205 res = mono_remoting_invoke ((MonoObject *)this->rp, msg, &exc, &out_args);
3208 mono_raise_exception ((MonoException *)exc);
3210 mono_method_return_message_restore (method, params, out_args);
3216 mono_marshal_get_remoting_invoke (MonoMethod *method)
3218 MonoMethodSignature *sig;
3219 MonoMethodBuilder *mb;
3225 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE || method->wrapper_type == MONO_WRAPPER_XDOMAIN_INVOKE)
3228 /* this seems to be the best plase to put this, as all remoting invokes seem to get filtered through here */
3230 if (mono_class_is_com_object (method->klass) || method->klass == mono_class_get_com_object_class ()) {
3231 MonoVTable *vtable = mono_class_vtable (mono_domain_get (), method->klass);
3232 g_assert (vtable); /*FIXME do proper error handling*/
3234 if (!mono_vtable_is_remote (vtable)) {
3235 return mono_cominterop_get_invoke (method);
3240 sig = mono_signature_no_pinvoke (method);
3242 /* we cant remote methods without this pointer */
3246 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_REMOTING_INVOKE)))
3249 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_REMOTING_INVOKE);
3252 mb->method->save_lmf = 1;
3254 params_var = mono_mb_emit_save_args (mb, sig, TRUE);
3256 mono_mb_emit_ptr (mb, method);
3257 mono_mb_emit_ldloc (mb, params_var);
3258 mono_mb_emit_icall (mb, mono_remoting_wrapper);
3259 emit_thread_interrupt_checkpoint (mb);
3261 if (sig->ret->type == MONO_TYPE_VOID) {
3262 mono_mb_emit_byte (mb, CEE_POP);
3263 mono_mb_emit_byte (mb, CEE_RET);
3265 mono_mb_emit_restore_result (mb, sig->ret);
3269 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16);
3275 #endif /* DISABLE_REMOTING */
3278 /* mono_get_xdomain_marshal_type()
3279 * Returns the kind of marshalling that a type needs for cross domain calls.
3281 static MonoXDomainMarshalType
3282 mono_get_xdomain_marshal_type (MonoType *t)
3285 case MONO_TYPE_VOID:
3286 g_assert_not_reached ();
3290 case MONO_TYPE_BOOLEAN:
3293 case MONO_TYPE_CHAR:
3300 return MONO_MARSHAL_NONE;
3301 case MONO_TYPE_STRING:
3302 return MONO_MARSHAL_COPY;
3303 case MONO_TYPE_ARRAY:
3304 case MONO_TYPE_SZARRAY: {
3305 MonoClass *elem_class = mono_class_from_mono_type (t)->element_class;
3306 if (mono_get_xdomain_marshal_type (&(elem_class->byval_arg)) != MONO_MARSHAL_SERIALIZE)
3307 return MONO_MARSHAL_COPY;
3312 return MONO_MARSHAL_SERIALIZE;
3316 /* mono_marshal_xdomain_copy_value
3317 * Makes a copy of "val" suitable for the current domain.
3320 mono_marshal_xdomain_copy_value (MonoObject *val)
3323 if (val == NULL) return NULL;
3325 domain = mono_domain_get ();
3327 switch (mono_object_class (val)->byval_arg.type) {
3328 case MONO_TYPE_VOID:
3329 g_assert_not_reached ();
3333 case MONO_TYPE_BOOLEAN:
3336 case MONO_TYPE_CHAR:
3342 case MONO_TYPE_R8: {
3343 return mono_value_box (domain, mono_object_class (val), ((char*)val) + sizeof(MonoObject));
3345 case MONO_TYPE_STRING: {
3346 MonoString *str = (MonoString *) val;
3347 return (MonoObject *) mono_string_new_utf16 (domain, mono_string_chars (str), mono_string_length (str));
3349 case MONO_TYPE_ARRAY:
3350 case MONO_TYPE_SZARRAY: {
3352 MonoXDomainMarshalType mt = mono_get_xdomain_marshal_type (&(mono_object_class (val)->element_class->byval_arg));
3353 if (mt == MONO_MARSHAL_SERIALIZE) return NULL;
3354 acopy = mono_array_clone_in_domain (domain, (MonoArray *) val);
3355 if (mt == MONO_MARSHAL_COPY) {
3356 int i, len = mono_array_length (acopy);
3357 for (i = 0; i < len; i++) {
3358 MonoObject *item = mono_array_get (acopy, gpointer, i);
3359 mono_array_setref (acopy, i, mono_marshal_xdomain_copy_value (item));
3362 return (MonoObject *) acopy;
3366 if (mono_object_class (val) == mono_defaults.stringbuilder_class) {
3367 MonoStringBuilder *oldsb = (MonoStringBuilder *) val;
3368 MonoStringBuilder *newsb = (MonoStringBuilder *) mono_object_new (domain, mono_defaults.stringbuilder_class);
3369 MONO_OBJECT_SETREF (newsb, str, mono_string_new_utf16 (domain, mono_string_chars (oldsb->str), mono_string_length (oldsb->str)));
3370 newsb->length = oldsb->length;
3371 newsb->max_capacity = (gint32)0x7fffffff;
3372 return (MonoObject *) newsb;
3377 /* mono_marshal_xdomain_copy_out_value()
3378 * Copies the contents of the src instance into the dst instance. src and dst
3379 * must have the same type, and if they are arrays, the same size.
3382 mono_marshal_xdomain_copy_out_value (MonoObject *src, MonoObject *dst)
3384 if (src == NULL || dst == NULL) return;
3386 g_assert (mono_object_class (src) == mono_object_class (dst));
3388 switch (mono_object_class (src)->byval_arg.type) {
3389 case MONO_TYPE_ARRAY:
3390 case MONO_TYPE_SZARRAY: {
3391 int mt = mono_get_xdomain_marshal_type (&(mono_object_class (src)->element_class->byval_arg));
3392 if (mt == MONO_MARSHAL_SERIALIZE) return;
3393 if (mt == MONO_MARSHAL_COPY) {
3394 int i, len = mono_array_length ((MonoArray *)dst);
3395 for (i = 0; i < len; i++) {
3396 MonoObject *item = mono_array_get ((MonoArray *)src, gpointer, i);
3397 mono_array_setref ((MonoArray *)dst, i, mono_marshal_xdomain_copy_value (item));
3400 mono_array_full_copy ((MonoArray *)src, (MonoArray *)dst);
3406 if (mono_object_class (src) == mono_defaults.stringbuilder_class) {
3407 MonoStringBuilder *src_sb = (MonoStringBuilder *) src;
3408 MonoStringBuilder *dst_sb = (MonoStringBuilder *) dst;
3410 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)));
3411 dst_sb->cached_str = NULL;
3412 dst_sb->length = src_sb->length;
3417 #if !(defined (DISABLE_JIT) || defined (DISABLE_REMOTING))
3420 mono_marshal_emit_xdomain_copy_value (MonoMethodBuilder *mb, MonoClass *pclass)
3422 mono_mb_emit_icall (mb, mono_marshal_xdomain_copy_value);
3423 mono_mb_emit_op (mb, CEE_CASTCLASS, pclass);
3427 mono_marshal_emit_xdomain_copy_out_value (MonoMethodBuilder *mb, MonoClass *pclass)
3429 mono_mb_emit_icall (mb, mono_marshal_xdomain_copy_out_value);
3433 #ifndef DISABLE_REMOTING
3434 /* mono_marshal_supports_fast_xdomain()
3435 * Returns TRUE if the method can use the fast xdomain wrapper.
3438 mono_marshal_supports_fast_xdomain (MonoMethod *method)
3440 return !mono_class_is_contextbound (method->klass) &&
3441 !((method->flags & METHOD_ATTRIBUTE_SPECIAL_NAME) && (strcmp (".ctor", method->name) == 0));
3446 mono_marshal_set_domain_by_id (gint32 id, MonoBoolean push)
3448 MonoDomain *current_domain = mono_domain_get ();
3449 MonoDomain *domain = mono_domain_get_by_id (id);
3451 if (!domain || !mono_domain_set (domain, FALSE))
3452 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
3455 mono_thread_push_appdomain_ref (domain);
3457 mono_thread_pop_appdomain_ref ();
3459 return current_domain->domain_id;
3462 #if !(defined (DISABLE_JIT) || defined (DISABLE_REMOTING))
3464 mono_marshal_emit_switch_domain (MonoMethodBuilder *mb)
3466 mono_mb_emit_icall (mb, mono_marshal_set_domain_by_id);
3469 /* mono_marshal_emit_load_domain_method ()
3470 * Loads into the stack a pointer to the code of the provided method for
3471 * the current domain.
3474 mono_marshal_emit_load_domain_method (MonoMethodBuilder *mb, MonoMethod *method)
3476 /* We need a pointer to the method for the running domain (not the domain
3477 * that compiles the method).
3479 mono_mb_emit_ptr (mb, method);
3480 mono_mb_emit_icall (mb, mono_compile_method);
3484 /* mono_marshal_check_domain_image ()
3485 * Returns TRUE if the image is loaded in the specified
3486 * application domain.
3489 mono_marshal_check_domain_image (gint32 domain_id, MonoImage *image)
3494 MonoDomain *domain = mono_domain_get_by_id (domain_id);
3498 mono_domain_assemblies_lock (domain);
3499 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
3501 if (ass->image == image)
3504 mono_domain_assemblies_unlock (domain);
3509 #ifndef DISABLE_REMOTING
3511 /* mono_marshal_get_xappdomain_dispatch ()
3512 * Generates a method that dispatches a method call from another domain into
3513 * the current domain.
3516 mono_marshal_get_xappdomain_dispatch (MonoMethod *method, int *marshal_types, int complex_count, int complex_out_count, int ret_marshal_type)
3518 MonoMethodSignature *sig, *csig;
3519 MonoMethodBuilder *mb;
3521 int i, j, param_index, copy_locals_base;
3522 MonoClass *ret_class = NULL;
3523 int loc_array=0, loc_return=0, loc_serialized_exc=0;
3524 MonoExceptionClause *main_clause;
3526 gboolean copy_return;
3528 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_XDOMAIN_DISPATCH)))
3531 sig = mono_method_signature (method);
3532 copy_return = (sig->ret->type != MONO_TYPE_VOID && ret_marshal_type != MONO_MARSHAL_SERIALIZE);
3535 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3 + sig->param_count - complex_count);
3536 csig->params [j++] = &mono_defaults.object_class->byval_arg;
3537 csig->params [j++] = &byte_array_class->this_arg;
3538 csig->params [j++] = &byte_array_class->this_arg;
3539 for (i = 0; i < sig->param_count; i++) {
3540 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE)
3541 csig->params [j++] = sig->params [i];
3544 csig->ret = sig->ret;
3546 csig->ret = &mono_defaults.void_class->byval_arg;
3548 csig->hasthis = FALSE;
3550 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_XDOMAIN_DISPATCH);
3551 mb->method->save_lmf = 1;
3556 loc_serialized_exc = mono_mb_add_local (mb, &byte_array_class->byval_arg);
3557 if (complex_count > 0)
3558 loc_array = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3559 if (sig->ret->type != MONO_TYPE_VOID) {
3560 loc_return = mono_mb_add_local (mb, sig->ret);
3561 ret_class = mono_class_from_mono_type (sig->ret);
3566 main_clause = mono_image_alloc0 (method->klass->image, sizeof (MonoExceptionClause));
3567 main_clause->try_offset = mono_mb_get_label (mb);
3569 /* Clean the call context */
3571 mono_mb_emit_byte (mb, CEE_LDNULL);
3572 mono_mb_emit_managed_call (mb, method_set_call_context, NULL);
3573 mono_mb_emit_byte (mb, CEE_POP);
3575 /* Deserialize call data */
3577 mono_mb_emit_ldarg (mb, 1);
3578 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3579 mono_mb_emit_byte (mb, CEE_DUP);
3580 pos = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
3582 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
3583 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
3585 if (complex_count > 0)
3586 mono_mb_emit_stloc (mb, loc_array);
3588 mono_mb_emit_byte (mb, CEE_POP);
3590 mono_mb_patch_short_branch (mb, pos);
3592 /* Get the target object */
3594 mono_mb_emit_ldarg (mb, 0);
3595 mono_mb_emit_managed_call (mb, method_rs_appdomain_target, NULL);
3597 /* Load the arguments */
3599 copy_locals_base = mb->locals;
3600 param_index = 3; // Index of the first non-serialized parameter of this wrapper
3602 for (i = 0; i < sig->param_count; i++) {
3603 MonoType *pt = sig->params [i];
3604 MonoClass *pclass = mono_class_from_mono_type (pt);
3605 switch (marshal_types [i]) {
3606 case MONO_MARSHAL_SERIALIZE: {
3607 /* take the value from the serialized array */
3608 mono_mb_emit_ldloc (mb, loc_array);
3609 mono_mb_emit_icon (mb, j++);
3611 if (pclass->valuetype) {
3612 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3613 mono_mb_emit_op (mb, CEE_UNBOX, pclass);
3615 mono_mb_emit_op (mb, CEE_LDELEMA, pclass);
3618 if (pclass->valuetype) {
3619 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3620 mono_mb_emit_op (mb, CEE_UNBOX, pclass);
3621 mono_mb_emit_op (mb, CEE_LDOBJ, pclass);
3623 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3624 if (pclass != mono_defaults.object_class) {
3625 mono_mb_emit_op (mb, CEE_CASTCLASS, pclass);
3631 case MONO_MARSHAL_COPY_OUT: {
3632 /* Keep a local copy of the value since we need to copy it back after the call */
3633 int copy_local = mono_mb_add_local (mb, &(pclass->byval_arg));
3634 mono_mb_emit_ldarg (mb, param_index++);
3635 mono_marshal_emit_xdomain_copy_value (mb, pclass);
3636 mono_mb_emit_byte (mb, CEE_DUP);
3637 mono_mb_emit_stloc (mb, copy_local);
3640 case MONO_MARSHAL_COPY: {
3641 mono_mb_emit_ldarg (mb, param_index);
3643 mono_mb_emit_byte (mb, CEE_DUP);
3644 mono_mb_emit_byte (mb, CEE_DUP);
3645 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3646 mono_marshal_emit_xdomain_copy_value (mb, pclass);
3647 mono_mb_emit_byte (mb, CEE_STIND_REF);
3649 mono_marshal_emit_xdomain_copy_value (mb, pclass);
3654 case MONO_MARSHAL_NONE:
3655 mono_mb_emit_ldarg (mb, param_index++);
3660 /* Make the call to the real object */
3662 emit_thread_force_interrupt_checkpoint (mb);
3664 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
3666 if (sig->ret->type != MONO_TYPE_VOID)
3667 mono_mb_emit_stloc (mb, loc_return);
3669 /* copy back MONO_MARSHAL_COPY_OUT parameters */
3673 for (i = 0; i < sig->param_count; i++) {
3674 if (marshal_types [i] == MONO_MARSHAL_SERIALIZE) continue;
3675 if (marshal_types [i] == MONO_MARSHAL_COPY_OUT) {
3676 mono_mb_emit_ldloc (mb, copy_locals_base + (j++));
3677 mono_mb_emit_ldarg (mb, param_index);
3678 mono_marshal_emit_xdomain_copy_out_value (mb, mono_class_from_mono_type (sig->params [i]));
3683 /* Serialize the return values */
3685 if (complex_out_count > 0) {
3686 /* Reset parameters in the array that don't need to be serialized back */
3688 for (i = 0; i < sig->param_count; i++) {
3689 if (marshal_types[i] != MONO_MARSHAL_SERIALIZE) continue;
3690 if (!sig->params [i]->byref) {
3691 mono_mb_emit_ldloc (mb, loc_array);
3692 mono_mb_emit_icon (mb, j);
3693 mono_mb_emit_byte (mb, CEE_LDNULL);
3694 mono_mb_emit_byte (mb, CEE_STELEM_REF);
3699 /* Add the return value to the array */
3701 if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
3702 mono_mb_emit_ldloc (mb, loc_array);
3703 mono_mb_emit_icon (mb, complex_count); /* The array has an additional slot to hold the ret value */
3704 mono_mb_emit_ldloc (mb, loc_return);
3706 g_assert (ret_class); /*FIXME properly fail here*/
3707 if (ret_class->valuetype) {
3708 mono_mb_emit_op (mb, CEE_BOX, ret_class);
3710 mono_mb_emit_byte (mb, CEE_STELEM_REF);
3715 mono_mb_emit_ldarg (mb, 1);
3716 mono_mb_emit_ldloc (mb, loc_array);
3717 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3718 mono_mb_emit_byte (mb, CEE_STIND_REF);
3719 } else if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
3720 mono_mb_emit_ldarg (mb, 1);
3721 mono_mb_emit_ldloc (mb, loc_return);
3722 if (ret_class->valuetype) {
3723 mono_mb_emit_op (mb, CEE_BOX, ret_class);
3725 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3726 mono_mb_emit_byte (mb, CEE_STIND_REF);
3728 mono_mb_emit_ldarg (mb, 1);
3729 mono_mb_emit_byte (mb, CEE_LDNULL);
3730 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3731 mono_mb_emit_byte (mb, CEE_STIND_REF);
3734 mono_mb_emit_ldarg (mb, 2);
3735 mono_mb_emit_byte (mb, CEE_LDNULL);
3736 mono_mb_emit_byte (mb, CEE_STIND_REF);
3737 pos_leave = mono_mb_emit_branch (mb, CEE_LEAVE);
3739 /* Main exception catch */
3740 main_clause->flags = MONO_EXCEPTION_CLAUSE_NONE;
3741 main_clause->try_len = mono_mb_get_pos (mb) - main_clause->try_offset;
3742 main_clause->data.catch_class = mono_defaults.object_class;
3745 main_clause->handler_offset = mono_mb_get_label (mb);
3746 mono_mb_emit_managed_call (mb, method_rs_serialize_exc, NULL);
3747 mono_mb_emit_stloc (mb, loc_serialized_exc);
3748 mono_mb_emit_ldarg (mb, 2);
3749 mono_mb_emit_ldloc (mb, loc_serialized_exc);
3750 mono_mb_emit_byte (mb, CEE_STIND_REF);
3751 mono_mb_emit_branch (mb, CEE_LEAVE);
3752 main_clause->handler_len = mono_mb_get_pos (mb) - main_clause->handler_offset;
3755 mono_mb_patch_branch (mb, pos_leave);
3758 mono_mb_emit_ldloc (mb, loc_return);
3760 mono_mb_emit_byte (mb, CEE_RET);
3762 mono_mb_set_clauses (mb, 1, main_clause);
3765 res = mono_remoting_mb_create_and_cache (method, mb, csig, csig->param_count + 16);
3771 /* mono_marshal_get_xappdomain_invoke ()
3772 * Generates a fast remoting wrapper for cross app domain calls.
3775 mono_marshal_get_xappdomain_invoke (MonoMethod *method)
3777 MonoMethodSignature *sig;
3778 MonoMethodBuilder *mb;
3780 int i, j, complex_count, complex_out_count, copy_locals_base;
3782 MonoClass *ret_class = NULL;
3783 MonoMethod *xdomain_method;
3784 int ret_marshal_type = MONO_MARSHAL_NONE;
3785 int loc_array=0, loc_serialized_data=-1, loc_real_proxy;
3786 int loc_old_domainid, loc_domainid, loc_return=0, loc_serialized_exc=0, loc_context;
3787 int pos, pos_dispatch, pos_noex;
3788 gboolean copy_return = FALSE;
3792 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE || method->wrapper_type == MONO_WRAPPER_XDOMAIN_INVOKE)
3795 /* we cant remote methods without this pointer */
3796 if (!mono_method_signature (method)->hasthis)
3799 if (!mono_marshal_supports_fast_xdomain (method))
3800 return mono_marshal_get_remoting_invoke (method);
3802 mono_remoting_marshal_init ();
3804 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_XDOMAIN_INVOKE)))
3807 sig = mono_signature_no_pinvoke (method);
3809 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_XDOMAIN_INVOKE);
3810 mb->method->save_lmf = 1;
3812 /* Count the number of parameters that need to be serialized */
3814 marshal_types = alloca (sizeof (int) * sig->param_count);
3815 complex_count = complex_out_count = 0;
3816 for (i = 0; i < sig->param_count; i++) {
3817 MonoType *ptype = sig->params[i];
3818 int mt = mono_get_xdomain_marshal_type (ptype);
3820 /* If the [Out] attribute is applied to a parameter that can be internally copied,
3821 * the copy will be made by reusing the original object instance
3823 if ((ptype->attrs & PARAM_ATTRIBUTE_OUT) != 0 && mt == MONO_MARSHAL_COPY && !ptype->byref)
3824 mt = MONO_MARSHAL_COPY_OUT;
3825 else if (mt == MONO_MARSHAL_SERIALIZE) {
3827 if (ptype->byref) complex_out_count++;
3829 marshal_types [i] = mt;
3832 if (sig->ret->type != MONO_TYPE_VOID) {
3833 ret_marshal_type = mono_get_xdomain_marshal_type (sig->ret);
3834 ret_class = mono_class_from_mono_type (sig->ret);
3835 copy_return = ret_marshal_type != MONO_MARSHAL_SERIALIZE;
3841 if (complex_count > 0)
3842 loc_array = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3843 loc_serialized_data = mono_mb_add_local (mb, &byte_array_class->byval_arg);
3844 loc_real_proxy = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3846 loc_return = mono_mb_add_local (mb, sig->ret);
3847 loc_old_domainid = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
3848 loc_domainid = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
3849 loc_serialized_exc = mono_mb_add_local (mb, &byte_array_class->byval_arg);
3850 loc_context = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3852 /* Save thread domain data */
3854 mono_mb_emit_icall (mb, mono_context_get);
3855 mono_mb_emit_byte (mb, CEE_DUP);
3856 mono_mb_emit_stloc (mb, loc_context);
3858 /* If the thread is not running in the default context, it needs to go
3859 * through the whole remoting sink, since the context is going to change
3861 mono_mb_emit_managed_call (mb, method_needs_context_sink, NULL);
3862 pos = mono_mb_emit_short_branch (mb, CEE_BRTRUE_S);
3864 /* Another case in which the fast path can't be used: when the target domain
3865 * has a different image for the same assembly.
3868 /* Get the target domain id */
3870 mono_mb_emit_ldarg (mb, 0);
3871 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoTransparentProxy, rp));
3872 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3873 mono_mb_emit_byte (mb, CEE_DUP);
3874 mono_mb_emit_stloc (mb, loc_real_proxy);
3876 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoRealProxy, target_domain_id));
3877 mono_mb_emit_byte (mb, CEE_LDIND_I4);
3878 mono_mb_emit_stloc (mb, loc_domainid);
3880 /* Check if the target domain has the same image for the required assembly */
3882 mono_mb_emit_ldloc (mb, loc_domainid);
3883 mono_mb_emit_ptr (mb, method->klass->image);
3884 mono_mb_emit_icall (mb, mono_marshal_check_domain_image);
3885 pos_dispatch = mono_mb_emit_short_branch (mb, CEE_BRTRUE_S);
3887 /* Use the whole remoting sink to dispatch this message */
3889 mono_mb_patch_short_branch (mb, pos);
3891 mono_mb_emit_ldarg (mb, 0);
3892 for (i = 0; i < sig->param_count; i++)
3893 mono_mb_emit_ldarg (mb, i + 1);
3895 mono_mb_emit_managed_call (mb, mono_marshal_get_remoting_invoke (method), NULL);
3896 mono_mb_emit_byte (mb, CEE_RET);
3897 mono_mb_patch_short_branch (mb, pos_dispatch);
3899 /* Create the array that will hold the parameters to be serialized */
3901 if (complex_count > 0) {
3902 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 */
3903 mono_mb_emit_op (mb, CEE_NEWARR, mono_defaults.object_class);
3906 for (i = 0; i < sig->param_count; i++) {
3908 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE) continue;
3909 pclass = mono_class_from_mono_type (sig->params[i]);
3910 mono_mb_emit_byte (mb, CEE_DUP);
3911 mono_mb_emit_icon (mb, j);
3912 mono_mb_emit_ldarg (mb, i + 1); /* 0=this */
3913 if (sig->params[i]->byref) {
3914 if (pclass->valuetype)
3915 mono_mb_emit_op (mb, CEE_LDOBJ, pclass);
3917 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3919 if (pclass->valuetype)
3920 mono_mb_emit_op (mb, CEE_BOX, pclass);
3921 mono_mb_emit_byte (mb, CEE_STELEM_REF);
3924 mono_mb_emit_stloc (mb, loc_array);
3926 /* Serialize parameters */
3928 mono_mb_emit_ldloc (mb, loc_array);
3929 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3930 mono_mb_emit_stloc (mb, loc_serialized_data);
3932 mono_mb_emit_byte (mb, CEE_LDNULL);
3933 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3934 mono_mb_emit_stloc (mb, loc_serialized_data);
3939 mono_mb_emit_ldloc (mb, loc_domainid);
3940 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
3941 mono_marshal_emit_switch_domain (mb);
3942 mono_mb_emit_stloc (mb, loc_old_domainid);
3944 /* Load the arguments */
3946 mono_mb_emit_ldloc (mb, loc_real_proxy);
3947 mono_mb_emit_ldloc_addr (mb, loc_serialized_data);
3948 mono_mb_emit_ldloc_addr (mb, loc_serialized_exc);
3950 copy_locals_base = mb->locals;
3951 for (i = 0; i < sig->param_count; i++) {
3952 switch (marshal_types [i]) {
3953 case MONO_MARSHAL_SERIALIZE:
3955 case MONO_MARSHAL_COPY: {
3956 mono_mb_emit_ldarg (mb, i+1);
3957 if (sig->params [i]->byref) {
3958 /* make a local copy of the byref parameter. The real parameter
3959 * will be updated after the xdomain call
3961 MonoClass *pclass = mono_class_from_mono_type (sig->params [i]);
3962 int copy_local = mono_mb_add_local (mb, &(pclass->byval_arg));
3963 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3964 mono_mb_emit_stloc (mb, copy_local);
3965 mono_mb_emit_ldloc_addr (mb, copy_local);
3969 case MONO_MARSHAL_COPY_OUT:
3970 case MONO_MARSHAL_NONE:
3971 mono_mb_emit_ldarg (mb, i+1);
3976 /* Make the call to the invoke wrapper in the target domain */
3978 xdomain_method = mono_marshal_get_xappdomain_dispatch (method, marshal_types, complex_count, complex_out_count, ret_marshal_type);
3979 mono_marshal_emit_load_domain_method (mb, xdomain_method);
3980 mono_mb_emit_calli (mb, mono_method_signature (xdomain_method));
3983 mono_mb_emit_stloc (mb, loc_return);
3987 mono_mb_emit_ldloc (mb, loc_old_domainid);
3988 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
3989 mono_marshal_emit_switch_domain (mb);
3990 mono_mb_emit_byte (mb, CEE_POP);
3992 /* Restore thread domain data */
3994 mono_mb_emit_ldloc (mb, loc_context);
3995 mono_mb_emit_icall (mb, mono_context_set);
3997 /* if (loc_serialized_exc != null) ... */
3999 mono_mb_emit_ldloc (mb, loc_serialized_exc);
4000 pos_noex = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
4002 mono_mb_emit_ldloc (mb, loc_serialized_exc);
4003 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
4004 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
4005 mono_mb_emit_op (mb, CEE_CASTCLASS, mono_defaults.exception_class);
4006 mono_mb_emit_managed_call (mb, method_exc_fixexc, NULL);
4007 mono_mb_emit_byte (mb, CEE_THROW);
4008 mono_mb_patch_short_branch (mb, pos_noex);
4010 /* copy back non-serialized output parameters */
4013 for (i = 0; i < sig->param_count; i++) {
4014 if (!sig->params [i]->byref || marshal_types [i] != MONO_MARSHAL_COPY) continue;
4015 mono_mb_emit_ldarg (mb, i + 1);
4016 mono_mb_emit_ldloc (mb, copy_locals_base + (j++));
4017 mono_marshal_emit_xdomain_copy_value (mb, mono_class_from_mono_type (sig->params [i]));
4018 mono_mb_emit_byte (mb, CEE_STIND_REF);
4021 /* Deserialize out parameters */
4023 if (complex_out_count > 0) {
4024 mono_mb_emit_ldloc (mb, loc_serialized_data);
4025 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
4026 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
4027 mono_mb_emit_stloc (mb, loc_array);
4029 /* Copy back output parameters and return type */
4032 for (i = 0; i < sig->param_count; i++) {
4033 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE) continue;
4034 if (sig->params[i]->byref) {
4035 MonoClass *pclass = mono_class_from_mono_type (sig->params [i]);
4036 mono_mb_emit_ldarg (mb, i + 1);
4037 mono_mb_emit_ldloc (mb, loc_array);
4038 mono_mb_emit_icon (mb, j);
4039 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
4040 if (pclass->valuetype) {
4041 mono_mb_emit_op (mb, CEE_UNBOX, pclass);
4042 mono_mb_emit_op (mb, CEE_LDOBJ, pclass);
4043 mono_mb_emit_op (mb, CEE_STOBJ, pclass);
4045 if (pclass != mono_defaults.object_class)
4046 mono_mb_emit_op (mb, CEE_CASTCLASS, pclass);
4047 mono_mb_emit_byte (mb, CEE_STIND_REF);
4053 if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
4054 mono_mb_emit_ldloc (mb, loc_array);
4055 mono_mb_emit_icon (mb, complex_count);
4056 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
4057 if (ret_class->valuetype) {
4058 mono_mb_emit_op (mb, CEE_UNBOX, ret_class);
4059 mono_mb_emit_op (mb, CEE_LDOBJ, ret_class);
4062 } else if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
4063 mono_mb_emit_ldloc (mb, loc_serialized_data);
4064 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
4065 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
4066 if (ret_class->valuetype) {
4067 mono_mb_emit_op (mb, CEE_UNBOX, ret_class);
4068 mono_mb_emit_op (mb, CEE_LDOBJ, ret_class);
4069 } else if (ret_class != mono_defaults.object_class) {
4070 mono_mb_emit_op (mb, CEE_CASTCLASS, ret_class);
4073 mono_mb_emit_ldloc (mb, loc_serialized_data);
4074 mono_mb_emit_byte (mb, CEE_DUP);
4075 pos = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
4076 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
4078 mono_mb_patch_short_branch (mb, pos);
4079 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
4080 mono_mb_emit_byte (mb, CEE_POP);
4084 mono_mb_emit_ldloc (mb, loc_return);
4085 if (ret_marshal_type == MONO_MARSHAL_COPY)
4086 mono_marshal_emit_xdomain_copy_value (mb, ret_class);
4089 mono_mb_emit_byte (mb, CEE_RET);
4090 #endif /* DISABLE_JIT */
4092 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16);
4099 mono_marshal_get_remoting_invoke_for_target (MonoMethod *method, MonoRemotingTarget target_type)
4101 if (target_type == MONO_REMOTING_TARGET_APPDOMAIN) {
4102 return mono_marshal_get_xappdomain_invoke (method);
4103 } else if (target_type == MONO_REMOTING_TARGET_COMINTEROP) {
4105 return mono_cominterop_get_invoke (method);
4107 g_assert_not_reached ();
4110 return mono_marshal_get_remoting_invoke (method);
4116 G_GNUC_UNUSED static gpointer
4117 mono_marshal_load_remoting_wrapper (MonoRealProxy *rp, MonoMethod *method)
4119 if (rp->target_domain_id != -1)
4120 return mono_compile_method (mono_marshal_get_xappdomain_invoke (method));
4122 return mono_compile_method (mono_marshal_get_remoting_invoke (method));
4126 mono_marshal_get_remoting_invoke_with_check (MonoMethod *method)
4128 MonoMethodSignature *sig;
4129 MonoMethodBuilder *mb;
4130 MonoMethod *res, *native;
4131 int i, pos, pos_rem;
4135 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK)
4138 /* we cant remote methods without this pointer */
4139 g_assert (mono_method_signature (method)->hasthis);
4141 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK)))
4144 sig = mono_signature_no_pinvoke (method);
4146 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK);
4149 for (i = 0; i <= sig->param_count; i++)
4150 mono_mb_emit_ldarg (mb, i);
4152 mono_mb_emit_ldarg (mb, 0);
4153 pos = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
4155 if (mono_marshal_supports_fast_xdomain (method)) {
4156 mono_mb_emit_ldarg (mb, 0);
4157 pos_rem = mono_mb_emit_xdomain_check (mb, CEE_BEQ);
4159 /* wrapper for cross app domain calls */
4160 native = mono_marshal_get_xappdomain_invoke (method);
4161 mono_mb_emit_managed_call (mb, native, mono_method_signature (native));
4162 mono_mb_emit_byte (mb, CEE_RET);
4164 mono_mb_patch_branch (mb, pos_rem);
4166 /* wrapper for normal remote calls */
4167 native = mono_marshal_get_remoting_invoke (method);
4168 mono_mb_emit_managed_call (mb, native, mono_method_signature (native));
4169 mono_mb_emit_byte (mb, CEE_RET);
4172 mono_mb_patch_branch (mb, pos);
4173 mono_mb_emit_managed_call (mb, method, mono_method_signature (method));
4174 mono_mb_emit_byte (mb, CEE_RET);
4177 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16);
4183 #endif /* DISABLE_REMOTING */
4187 MonoMethodSignature *sig;
4189 } SignatureMethodPair;
4192 signature_method_pair_hash (gconstpointer data)
4194 SignatureMethodPair *pair = (SignatureMethodPair*)data;
4196 return mono_signature_hash (pair->sig) ^ mono_aligned_addr_hash (pair->method);
4200 signature_method_pair_equal (SignatureMethodPair *pair1, SignatureMethodPair *pair2)
4202 return mono_metadata_signature_equal (pair1->sig, pair2->sig) && (pair1->method == pair2->method);
4206 signature_method_pair_matches_method (gpointer key, gpointer value, gpointer user_data)
4208 SignatureMethodPair *pair = (SignatureMethodPair*)key;
4209 MonoMethod *method = (MonoMethod*)user_data;
4211 return pair->method == method;
4215 free_signature_method_pair (SignatureMethodPair *pair)
4221 mono_marshal_get_delegate_invoke_internal (MonoMethod *method, gboolean callvirt, gboolean static_method_with_first_arg_bound, MonoMethod *target_method)
4223 MonoMethodSignature *sig, *static_sig, *invoke_sig;
4225 MonoMethodBuilder *mb;
4228 gpointer cache_key = NULL;
4229 SignatureMethodPair key;
4230 SignatureMethodPair *new_key;
4231 int local_prev, local_target;
4234 MonoClass *target_class = NULL;
4235 gboolean closed_over_null = FALSE;
4236 MonoGenericContext *ctx = NULL;
4237 MonoGenericContainer *container = NULL;
4238 MonoMethod *orig_method = NULL;
4240 WrapperSubtype subtype = WRAPPER_SUBTYPE_NONE;
4243 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
4244 !strcmp (method->name, "Invoke"));
4246 invoke_sig = sig = mono_signature_no_pinvoke (method);
4249 * If the delegate target is null, and the target method is not static, a virtual
4250 * call is made to that method with the first delegate argument as this. This is
4251 * a non-documented .NET feature.
4254 subtype = WRAPPER_SUBTYPE_DELEGATE_INVOKE_VIRTUAL;
4255 if (target_method->is_inflated) {
4256 MonoType *target_type;
4258 g_assert (method->signature->hasthis);
4259 target_type = mono_class_inflate_generic_type (method->signature->params [0],
4260 mono_method_get_context (method));
4261 target_class = mono_class_from_mono_type (target_type);
4263 target_class = target_method->klass;
4266 closed_over_null = sig->param_count == mono_method_signature (target_method)->param_count;
4269 if (static_method_with_first_arg_bound) {
4270 subtype = WRAPPER_SUBTYPE_DELEGATE_INVOKE_BOUND;
4271 g_assert (!callvirt);
4272 invoke_sig = mono_method_signature (target_method);
4276 * For generic delegates, create a generic wrapper, and return an instance to help AOT.
4278 if (method->is_inflated && subtype == WRAPPER_SUBTYPE_NONE) {
4279 orig_method = method;
4280 ctx = &((MonoMethodInflated*)method)->context;
4281 method = ((MonoMethodInflated*)method)->declaring;
4283 container = mono_method_get_generic_container (method);
4285 container = method->klass->generic_container;
4286 g_assert (container);
4288 invoke_sig = sig = mono_signature_no_pinvoke (method);
4295 cache = get_cache (&method->klass->image->delegate_invoke_generic_cache, mono_aligned_addr_hash, NULL);
4296 res = check_generic_delegate_wrapper_cache (cache, orig_method, method, ctx);
4299 cache_key = method->klass;
4300 } else if (static_method_with_first_arg_bound) {
4301 cache = get_cache (&method->klass->image->delegate_bound_static_invoke_cache,
4302 (GHashFunc)mono_signature_hash,
4303 (GCompareFunc)mono_metadata_signature_equal);
4305 * The wrapper is based on sig+invoke_sig, but sig can be derived from invoke_sig.
4307 res = mono_marshal_find_in_cache (cache, invoke_sig);
4310 cache_key = invoke_sig;
4311 } else if (callvirt) {
4312 GHashTable **cache_ptr;
4314 cache_ptr = &method->klass->image->delegate_abstract_invoke_cache;
4316 /* We need to cache the signature+method pair */
4317 mono_marshal_lock ();
4319 *cache_ptr = g_hash_table_new_full (signature_method_pair_hash, (GEqualFunc)signature_method_pair_equal, (GDestroyNotify)free_signature_method_pair, NULL);
4321 key.sig = invoke_sig;
4322 key.method = target_method;
4323 res = g_hash_table_lookup (cache, &key);
4324 mono_marshal_unlock ();
4328 cache = get_cache (&method->klass->image->delegate_invoke_cache,
4329 (GHashFunc)mono_signature_hash,
4330 (GCompareFunc)mono_metadata_signature_equal);
4331 res = mono_marshal_find_in_cache (cache, sig);
4337 static_sig = signature_dup (method->klass->image, sig);
4338 static_sig->hasthis = 0;
4339 if (!static_method_with_first_arg_bound)
4340 invoke_sig = static_sig;
4342 if (static_method_with_first_arg_bound)
4343 name = mono_signature_to_name (invoke_sig, "invoke_bound");
4344 else if (closed_over_null)
4345 name = mono_signature_to_name (invoke_sig, "invoke_closed_over_null");
4347 name = mono_signature_to_name (invoke_sig, "invoke_callvirt");
4349 name = mono_signature_to_name (invoke_sig, "invoke");
4351 mb = mono_mb_new (method->klass, name, MONO_WRAPPER_DELEGATE_INVOKE);
4353 mb = mono_mb_new (get_wrapper_target_class (method->klass->image), name, MONO_WRAPPER_DELEGATE_INVOKE);
4357 /* allocate local 0 (object) */
4358 local_target = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4359 local_prev = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4361 g_assert (sig->hasthis);
4365 * prev.Invoke( args .. );
4366 * return this.<target>( args .. );
4369 /* this wrapper can be used in unmanaged-managed transitions */
4370 emit_thread_interrupt_checkpoint (mb);
4372 /* get this->prev */
4373 mono_mb_emit_ldarg (mb, 0);
4374 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoMulticastDelegate, prev));
4375 mono_mb_emit_byte (mb, CEE_LDIND_REF);
4376 mono_mb_emit_stloc (mb, local_prev);
4377 mono_mb_emit_ldloc (mb, local_prev);
4379 /* if prev != null */
4380 pos0 = mono_mb_emit_branch (mb, CEE_BRFALSE);
4384 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4385 mono_mb_emit_byte (mb, CEE_MONO_NOT_TAKEN);
4387 mono_mb_emit_ldloc (mb, local_prev);
4388 for (i = 0; i < sig->param_count; i++)
4389 mono_mb_emit_ldarg (mb, i + 1);
4391 mono_mb_emit_op (mb, CEE_CALLVIRT, mono_class_inflate_generic_method (method, &container->context));
4393 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
4394 if (sig->ret->type != MONO_TYPE_VOID)
4395 mono_mb_emit_byte (mb, CEE_POP);
4397 /* continued or prev == null */
4398 mono_mb_patch_branch (mb, pos0);
4400 /* get this->target */
4401 mono_mb_emit_ldarg (mb, 0);
4402 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoDelegate, target));
4403 mono_mb_emit_byte (mb, CEE_LDIND_REF);
4404 mono_mb_emit_stloc (mb, local_target);
4406 /*static methods with bound first arg can have null target and still be bound*/
4407 if (!static_method_with_first_arg_bound) {
4408 /* if target != null */
4409 mono_mb_emit_ldloc (mb, local_target);
4410 pos0 = mono_mb_emit_branch (mb, CEE_BRFALSE);
4412 /* then call this->method_ptr nonstatic */
4415 mono_mb_emit_exception_full (mb, "System", "NotImplementedException", "");
4417 mono_mb_emit_ldloc (mb, local_target);
4418 for (i = 0; i < sig->param_count; ++i)
4419 mono_mb_emit_ldarg (mb, i + 1);
4420 mono_mb_emit_ldarg (mb, 0);
4421 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoDelegate, method_ptr));
4422 mono_mb_emit_byte (mb, CEE_LDIND_I );
4423 mono_mb_emit_op (mb, CEE_CALLI, sig);
4425 mono_mb_emit_byte (mb, CEE_RET);
4428 /* else [target == null] call this->method_ptr static */
4429 mono_mb_patch_branch (mb, pos0);
4433 if (!closed_over_null) {
4434 mono_mb_emit_ldarg (mb, 1);
4435 mono_mb_emit_op (mb, CEE_CASTCLASS, target_class);
4436 for (i = 1; i < sig->param_count; ++i)
4437 mono_mb_emit_ldarg (mb, i + 1);
4438 mono_mb_emit_op (mb, CEE_CALLVIRT, target_method);
4440 mono_mb_emit_byte (mb, CEE_LDNULL);
4441 for (i = 0; i < sig->param_count; ++i)
4442 mono_mb_emit_ldarg (mb, i + 1);
4443 mono_mb_emit_op (mb, CEE_CALL, target_method);
4446 if (static_method_with_first_arg_bound) {
4447 mono_mb_emit_ldloc (mb, local_target);
4448 if (!MONO_TYPE_IS_REFERENCE (invoke_sig->params[0]))
4449 mono_mb_emit_op (mb, CEE_UNBOX_ANY, mono_class_from_mono_type (invoke_sig->params[0]));
4451 for (i = 0; i < sig->param_count; ++i)
4452 mono_mb_emit_ldarg (mb, i + 1);
4453 mono_mb_emit_ldarg (mb, 0);
4454 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoDelegate, method_ptr));
4455 mono_mb_emit_byte (mb, CEE_LDIND_I );
4456 mono_mb_emit_op (mb, CEE_CALLI, invoke_sig);
4459 mono_mb_emit_byte (mb, CEE_RET);
4461 mb->skip_visibility = 1;
4462 #endif /* DISABLE_JIT */
4467 def = mono_mb_create_and_cache (cache, cache_key, mb, sig, sig->param_count + 16);
4468 res = cache_generic_delegate_wrapper (cache, orig_method, def, ctx);
4469 } else if (callvirt) {
4470 new_key = g_new0 (SignatureMethodPair, 1);
4473 res = mono_mb_create_and_cache_full (cache, new_key, mb, sig, sig->param_count + 16, &found);
4476 info = mono_wrapper_info_create (res, subtype);
4477 mono_marshal_set_wrapper_info (res, info);
4479 res = mono_mb_create_and_cache (cache, cache_key, mb, sig, sig->param_count + 16);
4481 info = mono_wrapper_info_create (res, subtype);
4482 mono_marshal_set_wrapper_info (res, info);
4490 * the returned method invokes all methods in a multicast delegate.
4493 mono_marshal_get_delegate_invoke (MonoMethod *method, MonoDelegate *del)
4495 gboolean callvirt = FALSE;
4496 gboolean static_method_with_first_arg_bound = FALSE;
4497 MonoMethod *target_method = NULL;
4498 MonoMethodSignature *sig;
4500 sig = mono_signature_no_pinvoke (method);
4502 if (del && !del->target && del->method && mono_method_signature (del->method)->hasthis) {
4504 target_method = del->method;
4507 if (del && del->method && mono_method_signature (del->method)->param_count == sig->param_count + 1 && (del->method->flags & METHOD_ATTRIBUTE_STATIC)) {
4508 static_method_with_first_arg_bound = TRUE;
4509 target_method = del->method;
4512 return mono_marshal_get_delegate_invoke_internal (method, callvirt, static_method_with_first_arg_bound, target_method);
4516 * signature_dup_add_this:
4518 * Make a copy of @sig, adding an explicit this argument.
4520 static MonoMethodSignature*
4521 signature_dup_add_this (MonoImage *image, MonoMethodSignature *sig, MonoClass *klass)
4523 MonoMethodSignature *res;
4526 res = mono_metadata_signature_alloc (image, sig->param_count + 1);
4527 memcpy (res, sig, MONO_SIZEOF_METHOD_SIGNATURE);
4528 res->param_count = sig->param_count + 1;
4529 res->hasthis = FALSE;
4530 for (i = sig->param_count - 1; i >= 0; i --)
4531 res->params [i + 1] = sig->params [i];
4532 res->params [0] = klass->valuetype ? &klass->this_arg : &klass->byval_arg;
4538 MonoMethodSignature *ctor_sig;
4539 MonoMethodSignature *sig;
4542 /* protected by the marshal lock, contains CtorSigPair pointers */
4543 static GSList *strsig_list = NULL;
4545 static MonoMethodSignature *
4546 lookup_string_ctor_signature (MonoMethodSignature *sig)
4548 MonoMethodSignature *callsig;
4552 mono_marshal_lock ();
4554 for (item = strsig_list; item; item = item->next) {
4556 /* mono_metadata_signature_equal () is safe to call with the marshal lock
4557 * because it is lock-free.
4559 if (mono_metadata_signature_equal (sig, cs->ctor_sig)) {
4564 mono_marshal_unlock ();
4568 static MonoMethodSignature *
4569 add_string_ctor_signature (MonoMethod *method)
4571 MonoMethodSignature *callsig;
4574 callsig = signature_dup (method->klass->image, mono_method_signature (method));
4575 callsig->ret = &mono_defaults.string_class->byval_arg;
4576 cs = g_new (CtorSigPair, 1);
4578 cs->ctor_sig = mono_method_signature (method);
4580 mono_marshal_lock ();
4581 strsig_list = g_slist_prepend (strsig_list, cs);
4582 mono_marshal_unlock ();
4587 * mono_marshal_get_string_ctor_signature:
4589 * Return the modified signature used by string ctors (they return the newly created
4592 MonoMethodSignature*
4593 mono_marshal_get_string_ctor_signature (MonoMethod *method)
4595 MonoMethodSignature *sig = lookup_string_ctor_signature (mono_method_signature (method));
4597 sig = add_string_ctor_signature (method);
4603 get_runtime_invoke_type (MonoType *t, gboolean ret)
4606 if (t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t)))
4608 /* Can't share this with 'I' as that needs another indirection */
4609 return &mono_defaults.int_class->this_arg;
4612 if (MONO_TYPE_IS_REFERENCE (t))
4613 return &mono_defaults.object_class->byval_arg;
4616 /* The result needs to be boxed */
4621 /* Can't share these as the argument needs to be loaded using sign/zero extension */
4624 return &mono_defaults.sbyte_class->byval_arg;
4626 return &mono_defaults.int16_class->byval_arg;
4628 return &mono_defaults.int32_class->byval_arg;
4631 return &mono_defaults.int64_class->byval_arg;
4632 case MONO_TYPE_BOOLEAN:
4633 return &mono_defaults.byte_class->byval_arg;
4634 case MONO_TYPE_CHAR:
4635 return &mono_defaults.uint16_class->byval_arg;
4638 return &mono_defaults.int_class->byval_arg;
4639 case MONO_TYPE_VALUETYPE:
4640 if (t->data.klass->enumtype) {
4641 t = mono_class_enum_basetype (t->data.klass);
4651 * mono_marshal_get_runtime_invoke_sig:
4653 * Return a common signature used for sharing runtime invoke wrappers.
4655 static MonoMethodSignature*
4656 mono_marshal_get_runtime_invoke_sig (MonoMethodSignature *sig)
4658 MonoMethodSignature *res = mono_metadata_signature_dup (sig);
4661 res->ret = get_runtime_invoke_type (sig->ret, TRUE);
4662 for (i = 0; i < res->param_count; ++i)
4663 res->params [i] = get_runtime_invoke_type (sig->params [i], FALSE);
4669 runtime_invoke_signature_equal (MonoMethodSignature *sig1, MonoMethodSignature *sig2)
4671 /* Can't share wrappers which return a vtype since it needs to be boxed */
4672 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))
4675 return mono_metadata_signature_equal (sig1, sig2);
4683 * Emit the call to the wrapper method from a runtime invoke wrapper.
4686 emit_invoke_call (MonoMethodBuilder *mb, MonoMethod *method,
4687 MonoMethodSignature *sig, MonoMethodSignature *callsig,
4689 gboolean virtual, gboolean need_direct_wrapper)
4691 static MonoString *string_dummy = NULL;
4693 int *tmp_nullable_locals;
4694 gboolean void_ret = FALSE;
4696 /* to make it work with our special string constructors */
4697 if (!string_dummy) {
4698 MONO_GC_REGISTER_ROOT_SINGLE (string_dummy);
4699 string_dummy = mono_string_new_wrapper ("dummy");
4703 g_assert (sig->hasthis);
4704 g_assert (method->flags & METHOD_ATTRIBUTE_VIRTUAL);
4708 if (method->string_ctor) {
4709 if (mono_gc_is_moving ()) {
4710 mono_mb_emit_ptr (mb, &string_dummy);
4711 mono_mb_emit_byte (mb, CEE_LDIND_REF);
4713 mono_mb_emit_ptr (mb, string_dummy);
4716 mono_mb_emit_ldarg (mb, 0);
4720 tmp_nullable_locals = g_new0 (int, sig->param_count);
4722 for (i = 0; i < sig->param_count; i++) {
4723 MonoType *t = sig->params [i];
4726 mono_mb_emit_ldarg (mb, 1);
4728 mono_mb_emit_icon (mb, sizeof (gpointer) * i);
4729 mono_mb_emit_byte (mb, CEE_ADD);
4733 mono_mb_emit_byte (mb, CEE_LDIND_I);
4734 /* A Nullable<T> type don't have a boxed form, it's either null or a boxed T.
4735 * So to make this work we unbox it to a local variablee and push a reference to that.
4737 if (t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t))) {
4738 tmp_nullable_locals [i] = mono_mb_add_local (mb, &mono_class_from_mono_type (t)->byval_arg);
4740 mono_mb_emit_op (mb, CEE_UNBOX_ANY, mono_class_from_mono_type (t));
4741 mono_mb_emit_stloc (mb, tmp_nullable_locals [i]);
4742 mono_mb_emit_ldloc_addr (mb, tmp_nullable_locals [i]);
4747 /*FIXME 'this doesn't handle generic enums. Shouldn't we?*/
4748 type = sig->params [i]->type;
4752 case MONO_TYPE_BOOLEAN:
4756 case MONO_TYPE_CHAR:
4765 mono_mb_emit_byte (mb, CEE_LDIND_I);
4766 mono_mb_emit_byte (mb, mono_type_to_ldind (sig->params [i]));
4768 case MONO_TYPE_STRING:
4769 case MONO_TYPE_CLASS:
4770 case MONO_TYPE_ARRAY:
4772 case MONO_TYPE_SZARRAY:
4773 case MONO_TYPE_OBJECT:
4774 mono_mb_emit_byte (mb, mono_type_to_ldind (sig->params [i]));
4776 case MONO_TYPE_GENERICINST:
4777 if (!mono_type_generic_inst_is_valuetype (sig->params [i])) {
4778 mono_mb_emit_byte (mb, mono_type_to_ldind (sig->params [i]));
4783 case MONO_TYPE_VALUETYPE:
4784 if (type == MONO_TYPE_VALUETYPE && t->data.klass->enumtype) {
4785 type = mono_class_enum_basetype (t->data.klass)->type;
4788 mono_mb_emit_byte (mb, CEE_LDIND_I);
4789 if (mono_class_is_nullable (mono_class_from_mono_type (sig->params [i]))) {
4790 /* Need to convert a boxed vtype to an mp to a Nullable struct */
4791 mono_mb_emit_op (mb, CEE_UNBOX, mono_class_from_mono_type (sig->params [i]));
4792 mono_mb_emit_op (mb, CEE_LDOBJ, mono_class_from_mono_type (sig->params [i]));
4794 mono_mb_emit_op (mb, CEE_LDOBJ, mono_class_from_mono_type (sig->params [i]));
4798 g_assert_not_reached ();
4803 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
4804 } else if (need_direct_wrapper) {
4805 mono_mb_emit_op (mb, CEE_CALL, method);
4807 mono_mb_emit_ldarg (mb, 3);
4808 mono_mb_emit_calli (mb, callsig);
4811 if (sig->ret->byref) {
4813 g_assert_not_reached ();
4816 switch (sig->ret->type) {
4817 case MONO_TYPE_VOID:
4818 if (!method->string_ctor)
4821 case MONO_TYPE_BOOLEAN:
4822 case MONO_TYPE_CHAR:
4835 case MONO_TYPE_VALUETYPE:
4836 case MONO_TYPE_TYPEDBYREF:
4837 case MONO_TYPE_GENERICINST:
4838 /* box value types */
4839 mono_mb_emit_op (mb, CEE_BOX, mono_class_from_mono_type (sig->ret));
4841 case MONO_TYPE_STRING:
4842 case MONO_TYPE_CLASS:
4843 case MONO_TYPE_ARRAY:
4844 case MONO_TYPE_SZARRAY:
4845 case MONO_TYPE_OBJECT:
4849 /* The result is an IntPtr */
4850 mono_mb_emit_op (mb, CEE_BOX, mono_defaults.int_class);
4853 g_assert_not_reached ();
4857 mono_mb_emit_stloc (mb, loc_res);
4859 /* Convert back nullable-byref arguments */
4860 for (i = 0; i < sig->param_count; i++) {
4861 MonoType *t = sig->params [i];
4864 * Box the result and put it back into the array, the caller will have
4865 * to obtain it from there.
4867 if (t->byref && t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t))) {
4868 mono_mb_emit_ldarg (mb, 1);
4869 mono_mb_emit_icon (mb, sizeof (gpointer) * i);
4870 mono_mb_emit_byte (mb, CEE_ADD);
4872 mono_mb_emit_ldloc (mb, tmp_nullable_locals [i]);
4873 mono_mb_emit_op (mb, CEE_BOX, mono_class_from_mono_type (t));
4875 mono_mb_emit_byte (mb, CEE_STIND_REF);
4879 g_free (tmp_nullable_locals);
4883 emit_runtime_invoke_body (MonoMethodBuilder *mb, MonoClass *target_klass, MonoMethod *method,
4884 MonoMethodSignature *sig, MonoMethodSignature *callsig,
4885 gboolean virtual, gboolean need_direct_wrapper)
4888 MonoExceptionClause *clause;
4889 int loc_res, loc_exc;
4891 /* The wrapper looks like this:
4897 * } catch (Exception e) {
4905 /* allocate local 0 (object) tmp */
4906 loc_res = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4907 /* allocate local 1 (object) exc */
4908 loc_exc = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4910 /* *exc is assumed to be initialized to NULL by the caller */
4912 mono_mb_emit_byte (mb, CEE_LDARG_2);
4913 labels [0] = mono_mb_emit_branch (mb, CEE_BRFALSE);
4918 labels [1] = mono_mb_get_label (mb);
4919 emit_thread_force_interrupt_checkpoint (mb);
4920 emit_invoke_call (mb, method, sig, callsig, loc_res, virtual, need_direct_wrapper);
4922 labels [2] = mono_mb_emit_branch (mb, CEE_LEAVE);
4924 /* Add a try clause around the call */
4925 clause = mono_image_alloc0 (target_klass->image, sizeof (MonoExceptionClause));
4926 clause->flags = MONO_EXCEPTION_CLAUSE_NONE;
4927 clause->data.catch_class = mono_defaults.exception_class;
4928 clause->try_offset = labels [1];
4929 clause->try_len = mono_mb_get_label (mb) - labels [1];
4931 clause->handler_offset = mono_mb_get_label (mb);
4934 mono_mb_emit_stloc (mb, loc_exc);
4935 mono_mb_emit_byte (mb, CEE_LDARG_2);
4936 mono_mb_emit_ldloc (mb, loc_exc);
4937 mono_mb_emit_byte (mb, CEE_STIND_REF);
4939 mono_mb_emit_branch (mb, CEE_LEAVE);
4941 clause->handler_len = mono_mb_get_pos (mb) - clause->handler_offset;
4943 mono_mb_set_clauses (mb, 1, clause);
4945 mono_mb_patch_branch (mb, labels [2]);
4946 mono_mb_emit_ldloc (mb, loc_res);
4947 mono_mb_emit_byte (mb, CEE_RET);
4952 mono_mb_patch_branch (mb, labels [0]);
4953 emit_thread_force_interrupt_checkpoint (mb);
4954 emit_invoke_call (mb, method, sig, callsig, loc_res, virtual, need_direct_wrapper);
4956 mono_mb_emit_ldloc (mb, 0);
4957 mono_mb_emit_byte (mb, CEE_RET);
4962 * generates IL code for the runtime invoke function
4963 * MonoObject *runtime_invoke (MonoObject *this, void **params, MonoObject **exc, void* method)
4965 * we also catch exceptions if exc != null
4966 * If VIRTUAL is TRUE, then METHOD is invoked virtually on THIS. This is useful since
4967 * it means that the compiled code for METHOD does not have to be looked up
4968 * before calling the runtime invoke wrapper. In this case, the wrapper ignores
4969 * its METHOD argument.
4972 mono_marshal_get_runtime_invoke (MonoMethod *method, gboolean virtual)
4974 MonoMethodSignature *sig, *csig, *callsig;
4975 MonoMethodBuilder *mb;
4976 GHashTable *cache = NULL;
4977 MonoClass *target_klass;
4978 MonoMethod *res = NULL;
4979 static MonoMethodSignature *cctor_signature = NULL;
4980 static MonoMethodSignature *finalize_signature = NULL;
4982 const char *param_names [16];
4983 gboolean need_direct_wrapper = FALSE;
4988 if (!cctor_signature) {
4989 cctor_signature = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
4990 cctor_signature->ret = &mono_defaults.void_class->byval_arg;
4992 if (!finalize_signature) {
4993 finalize_signature = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
4994 finalize_signature->ret = &mono_defaults.void_class->byval_arg;
4995 finalize_signature->hasthis = 1;
4999 need_direct_wrapper = TRUE;
5002 * Use a separate cache indexed by methods to speed things up and to avoid the
5003 * boundless mempool growth caused by the signature_dup stuff below.
5006 cache = get_cache (&method->klass->image->runtime_invoke_vcall_cache, mono_aligned_addr_hash, NULL);
5008 cache = get_cache (&method->klass->image->runtime_invoke_direct_cache, mono_aligned_addr_hash, NULL);
5009 res = mono_marshal_find_in_cache (cache, method);
5013 if (method->klass->rank && (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
5014 (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)) {
5016 * Array Get/Set/Address methods. The JIT implements them using inline code
5017 * so we need to create an invoke wrapper which calls the method directly.
5019 need_direct_wrapper = TRUE;
5022 if (method->string_ctor) {
5023 callsig = lookup_string_ctor_signature (mono_method_signature (method));
5025 callsig = add_string_ctor_signature (method);
5026 /* Can't share this as we push a string as this */
5027 need_direct_wrapper = TRUE;
5029 if (method_is_dynamic (method))
5030 callsig = signature_dup (method->klass->image, mono_method_signature (method));
5032 callsig = mono_method_signature (method);
5035 target_klass = get_wrapper_target_class (method->klass->image);
5037 /* Try to share wrappers for non-corlib methods with simple signatures */
5038 if (mono_metadata_signature_equal (callsig, cctor_signature)) {
5039 callsig = cctor_signature;
5040 target_klass = mono_defaults.object_class;
5041 } else if (mono_metadata_signature_equal (callsig, finalize_signature)) {
5042 callsig = finalize_signature;
5043 target_klass = mono_defaults.object_class;
5046 if (need_direct_wrapper) {
5047 /* Already searched at the start */
5049 MonoMethodSignature *tmp_sig;
5051 callsig = mono_marshal_get_runtime_invoke_sig (callsig);
5053 if (method->klass->valuetype && mono_method_signature (method)->hasthis)
5054 /* These have a different csig */
5055 cache = get_cache (&target_klass->image->runtime_invoke_vtype_cache,
5056 (GHashFunc)mono_signature_hash,
5057 (GCompareFunc)runtime_invoke_signature_equal);
5059 cache = get_cache (&target_klass->image->runtime_invoke_cache,
5060 (GHashFunc)mono_signature_hash,
5061 (GCompareFunc)runtime_invoke_signature_equal);
5063 /* from mono_marshal_find_in_cache */
5064 mono_marshal_lock ();
5065 res = g_hash_table_lookup (cache, callsig);
5066 mono_marshal_unlock ();
5073 /* Make a copy of the signature from the image mempool */
5075 callsig = mono_metadata_signature_dup_full (target_klass->image, callsig);
5079 sig = mono_method_signature (method);
5081 csig = mono_metadata_signature_alloc (target_klass->image, 4);
5083 csig->ret = &mono_defaults.object_class->byval_arg;
5084 if (method->klass->valuetype && mono_method_signature (method)->hasthis)
5085 csig->params [0] = get_runtime_invoke_type (&method->klass->this_arg, FALSE);
5087 csig->params [0] = &mono_defaults.object_class->byval_arg;
5088 csig->params [1] = &mono_defaults.int_class->byval_arg;
5089 csig->params [2] = &mono_defaults.int_class->byval_arg;
5090 csig->params [3] = &mono_defaults.int_class->byval_arg;
5093 /* This is called from runtime code so it has to be cdecl */
5094 csig->call_convention = MONO_CALL_C;
5097 name = mono_signature_to_name (callsig, virtual ? "runtime_invoke_virtual" : "runtime_invoke");
5098 mb = mono_mb_new (target_klass, name, MONO_WRAPPER_RUNTIME_INVOKE);
5102 param_names [0] = "this";
5103 param_names [1] = "params";
5104 param_names [2] = "exc";
5105 param_names [3] = "method";
5106 mono_mb_set_param_names (mb, param_names);
5108 emit_runtime_invoke_body (mb, target_klass, method, sig, callsig, virtual, need_direct_wrapper);
5111 if (need_direct_wrapper) {
5113 mb->skip_visibility = 1;
5115 res = mono_mb_create_and_cache (cache, method, mb, csig, sig->param_count + 16);
5116 info = mono_wrapper_info_create (res, virtual ? WRAPPER_SUBTYPE_RUNTIME_INVOKE_VIRTUAL : WRAPPER_SUBTYPE_RUNTIME_INVOKE_DIRECT);
5117 info->d.runtime_invoke.method = method;
5118 mono_marshal_set_wrapper_info (res, info);
5120 /* taken from mono_mb_create_and_cache */
5121 mono_marshal_lock ();
5122 res = g_hash_table_lookup (cache, callsig);
5123 mono_marshal_unlock ();
5125 /* Somebody may have created it before us */
5128 newm = mono_mb_create_method (mb, csig, sig->param_count + 16);
5130 mono_marshal_lock ();
5131 res = g_hash_table_lookup (cache, callsig);
5134 g_hash_table_insert (cache, callsig, res);
5135 /* Can't insert it into wrapper_hash since the key is a signature */
5136 g_hash_table_insert (method->klass->image->runtime_invoke_direct_cache, method, res);
5137 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_RUNTIME_INVOKE_NORMAL);
5138 info->d.runtime_invoke.sig = callsig;
5139 mono_marshal_set_wrapper_info (res, info);
5141 mono_free_method (newm);
5143 mono_marshal_unlock ();
5146 /* end mono_mb_create_and_cache */
5155 * mono_marshal_get_runtime_invoke_dynamic:
5157 * Return a method which can be used to invoke managed methods from native code
5159 * The signature of the returned method is given by RuntimeInvokeDynamicFunction:
5160 * void runtime_invoke (void *args, MonoObject **exc, void *compiled_method)
5161 * ARGS should point to an architecture specific structure containing
5162 * the arguments and space for the return value.
5163 * The other arguments are the same as for runtime_invoke (), except that
5164 * ARGS should contain the this argument too.
5165 * This wrapper serves the same purpose as the runtime-invoke wrappers, but there
5166 * is only one copy of it, which is useful in full-aot.
5167 * The wrapper info for the wrapper is a WrapperInfo structure.
5170 mono_marshal_get_runtime_invoke_dynamic (void)
5172 static MonoMethod *method;
5173 MonoMethodSignature *csig;
5174 MonoExceptionClause *clause;
5175 MonoMethodBuilder *mb;
5183 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
5185 csig->ret = &mono_defaults.void_class->byval_arg;
5186 csig->params [0] = &mono_defaults.int_class->byval_arg;
5187 csig->params [1] = &mono_defaults.int_class->byval_arg;
5188 csig->params [2] = &mono_defaults.int_class->byval_arg;
5189 csig->params [3] = &mono_defaults.int_class->byval_arg;
5191 name = g_strdup ("runtime_invoke_dynamic");
5192 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_RUNTIME_INVOKE);
5196 /* allocate local 0 (object) tmp */
5197 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
5198 /* allocate local 1 (object) exc */
5199 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
5201 /* cond set *exc to null */
5202 mono_mb_emit_byte (mb, CEE_LDARG_1);
5203 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
5204 mono_mb_emit_byte (mb, 3);
5205 mono_mb_emit_byte (mb, CEE_LDARG_1);
5206 mono_mb_emit_byte (mb, CEE_LDNULL);
5207 mono_mb_emit_byte (mb, CEE_STIND_REF);
5209 emit_thread_force_interrupt_checkpoint (mb);
5211 mono_mb_emit_byte (mb, CEE_LDARG_0);
5212 mono_mb_emit_byte (mb, CEE_LDARG_2);
5213 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5214 mono_mb_emit_byte (mb, CEE_MONO_DYN_CALL);
5216 pos = mono_mb_emit_branch (mb, CEE_LEAVE);
5218 clause = mono_image_alloc0 (mono_defaults.corlib, sizeof (MonoExceptionClause));
5219 clause->flags = MONO_EXCEPTION_CLAUSE_FILTER;
5220 clause->try_len = mono_mb_get_label (mb);
5223 clause->data.filter_offset = mono_mb_get_label (mb);
5225 mono_mb_emit_byte (mb, CEE_POP);
5226 mono_mb_emit_byte (mb, CEE_LDARG_1);
5227 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
5228 mono_mb_emit_byte (mb, CEE_PREFIX1);
5229 mono_mb_emit_byte (mb, CEE_CGT_UN);
5230 mono_mb_emit_byte (mb, CEE_PREFIX1);
5231 mono_mb_emit_byte (mb, CEE_ENDFILTER);
5233 clause->handler_offset = mono_mb_get_label (mb);
5236 /* store exception */
5237 mono_mb_emit_stloc (mb, 1);
5239 mono_mb_emit_byte (mb, CEE_LDARG_1);
5240 mono_mb_emit_ldloc (mb, 1);
5241 mono_mb_emit_byte (mb, CEE_STIND_REF);
5243 mono_mb_emit_byte (mb, CEE_LDNULL);
5244 mono_mb_emit_stloc (mb, 0);
5246 /* Check for the abort exception */
5247 mono_mb_emit_ldloc (mb, 1);
5248 mono_mb_emit_op (mb, CEE_ISINST, mono_defaults.threadabortexception_class);
5249 posna = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
5251 /* Delay the abort exception */
5252 mono_mb_emit_icall (mb, ves_icall_System_Threading_Thread_ResetAbort);
5254 mono_mb_patch_short_branch (mb, posna);
5255 mono_mb_emit_branch (mb, CEE_LEAVE);
5257 clause->handler_len = mono_mb_get_pos (mb) - clause->handler_offset;
5259 mono_mb_set_clauses (mb, 1, clause);
5262 mono_mb_patch_branch (mb, pos);
5263 //mono_mb_emit_ldloc (mb, 0);
5264 mono_mb_emit_byte (mb, CEE_RET);
5265 #endif /* DISABLE_JIT */
5267 mono_marshal_lock ();
5268 /* double-checked locking */
5270 method = mono_mb_create_method (mb, csig, 16);
5271 info = mono_wrapper_info_create (method, WRAPPER_SUBTYPE_RUNTIME_INVOKE_DYNAMIC);
5272 mono_marshal_set_wrapper_info (method, info);
5274 mono_marshal_unlock ();
5283 mono_mb_emit_auto_layout_exception (MonoMethodBuilder *mb, MonoClass *klass)
5285 char *msg = g_strdup_printf ("The type `%s.%s' layout needs to be Sequential or Explicit",
5286 klass->name_space, klass->name);
5288 mono_mb_emit_exception_marshal_directive (mb, msg);
5292 #ifndef DISABLE_REMOTING
5294 * mono_marshal_get_ldfld_remote_wrapper:
5295 * @klass: The return type
5297 * This method generates a wrapper for calling mono_load_remote_field_new.
5298 * The return type is ignored for now, as mono_load_remote_field_new () always
5299 * returns an object. In the future, to optimize some codepaths, we might
5300 * call a different function that takes a pointer to a valuetype, instead.
5303 mono_marshal_get_ldfld_remote_wrapper (MonoClass *klass)
5305 MonoMethodSignature *sig, *csig;
5306 MonoMethodBuilder *mb;
5308 static MonoMethod* cached = NULL;
5310 mono_marshal_lock ();
5312 mono_marshal_unlock ();
5315 mono_marshal_unlock ();
5317 mb = mono_mb_new_no_dup_name (mono_defaults.object_class, "__mono_load_remote_field_new_wrapper", MONO_WRAPPER_LDFLD_REMOTE);
5319 mb->method->save_lmf = 1;
5321 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
5322 sig->params [0] = &mono_defaults.object_class->byval_arg;
5323 sig->params [1] = &mono_defaults.int_class->byval_arg;
5324 sig->params [2] = &mono_defaults.int_class->byval_arg;
5325 sig->ret = &mono_defaults.object_class->byval_arg;
5328 mono_mb_emit_ldarg (mb, 0);
5329 mono_mb_emit_ldarg (mb, 1);
5330 mono_mb_emit_ldarg (mb, 2);
5332 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
5333 csig->params [0] = &mono_defaults.object_class->byval_arg;
5334 csig->params [1] = &mono_defaults.int_class->byval_arg;
5335 csig->params [2] = &mono_defaults.int_class->byval_arg;
5336 csig->ret = &mono_defaults.object_class->byval_arg;
5339 mono_mb_emit_native_call (mb, csig, mono_load_remote_field_new);
5340 emit_thread_interrupt_checkpoint (mb);
5342 mono_mb_emit_byte (mb, CEE_RET);
5345 mono_marshal_lock ();
5347 mono_marshal_unlock ();
5350 newm = mono_mb_create_method (mb, sig, 4);
5351 mono_marshal_lock ();
5356 mono_marshal_unlock ();
5358 mono_marshal_unlock ();
5359 mono_free_method (newm);
5368 * mono_marshal_get_ldfld_wrapper:
5369 * @type: the type of the field
5371 * This method generates a function which can be use to load a field with type
5372 * @type from an object. The generated function has the following signature:
5373 * <@type> ldfld_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset)
5376 mono_marshal_get_ldfld_wrapper (MonoType *type)
5378 MonoMethodSignature *sig;
5379 MonoMethodBuilder *mb;
5384 int t, pos0, pos1 = 0;
5386 type = mono_type_get_underlying_type (type);
5391 if (type->type == MONO_TYPE_SZARRAY) {
5392 klass = mono_defaults.array_class;
5393 } else if (type->type == MONO_TYPE_VALUETYPE) {
5394 klass = type->data.klass;
5395 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING) {
5396 klass = mono_defaults.object_class;
5397 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
5398 klass = mono_defaults.int_class;
5399 } else if (t == MONO_TYPE_GENERICINST) {
5400 if (mono_type_generic_inst_is_valuetype (type))
5401 klass = mono_class_from_mono_type (type);
5403 klass = mono_defaults.object_class;
5405 klass = mono_class_from_mono_type (type);
5408 klass = mono_defaults.int_class;
5411 cache = get_cache (&klass->image->ldfld_wrapper_cache, mono_aligned_addr_hash, NULL);
5412 if ((res = mono_marshal_find_in_cache (cache, klass)))
5415 /* we add the %p pointer value of klass because class names are not unique */
5416 name = g_strdup_printf ("__ldfld_wrapper_%p_%s.%s", klass, klass->name_space, klass->name);
5417 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_LDFLD);
5420 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
5421 sig->params [0] = &mono_defaults.object_class->byval_arg;
5422 sig->params [1] = &mono_defaults.int_class->byval_arg;
5423 sig->params [2] = &mono_defaults.int_class->byval_arg;
5424 sig->params [3] = &mono_defaults.int_class->byval_arg;
5425 sig->ret = &klass->byval_arg;
5428 mono_mb_emit_ldarg (mb, 0);
5429 pos0 = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
5431 mono_mb_emit_ldarg (mb, 0);
5432 mono_mb_emit_ldarg (mb, 1);
5433 mono_mb_emit_ldarg (mb, 2);
5435 mono_mb_emit_managed_call (mb, mono_marshal_get_ldfld_remote_wrapper (klass), NULL);
5438 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
5439 csig->params [0] = &mono_defaults.object_class->byval_arg;
5440 csig->params [1] = &mono_defaults.int_class->byval_arg;
5441 csig->params [2] = &mono_defaults.int_class->byval_arg;
5442 csig->ret = &klass->this_arg;
5445 mono_mb_emit_native_call (mb, csig, mono_load_remote_field_new);
5446 emit_thread_interrupt_checkpoint (mb);
5449 if (klass->valuetype) {
5450 mono_mb_emit_op (mb, CEE_UNBOX, klass);
5451 pos1 = mono_mb_emit_branch (mb, CEE_BR);
5453 mono_mb_emit_byte (mb, CEE_RET);
5457 mono_mb_patch_branch (mb, pos0);
5459 mono_mb_emit_ldarg (mb, 0);
5460 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5461 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
5462 mono_mb_emit_ldarg (mb, 3);
5463 mono_mb_emit_byte (mb, CEE_ADD);
5465 if (klass->valuetype)
5466 mono_mb_patch_branch (mb, pos1);
5471 case MONO_TYPE_BOOLEAN:
5472 case MONO_TYPE_CHAR:
5481 case MONO_TYPE_ARRAY:
5482 case MONO_TYPE_SZARRAY:
5483 case MONO_TYPE_OBJECT:
5484 case MONO_TYPE_CLASS:
5485 case MONO_TYPE_STRING:
5489 case MONO_TYPE_FNPTR:
5490 mono_mb_emit_byte (mb, mono_type_to_ldind (type));
5492 case MONO_TYPE_VALUETYPE:
5493 g_assert (!klass->enumtype);
5494 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
5496 case MONO_TYPE_GENERICINST:
5497 if (mono_type_generic_inst_is_valuetype (type)) {
5498 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
5500 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5504 case MONO_TYPE_MVAR:
5505 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
5508 g_warning ("type %x not implemented", type->type);
5509 g_assert_not_reached ();
5512 mono_mb_emit_byte (mb, CEE_RET);
5513 #endif /* DISABLE_JIT */
5515 res = mono_mb_create_and_cache (cache, klass,
5516 mb, sig, sig->param_count + 16);
5523 * mono_marshal_get_ldflda_wrapper:
5524 * @type: the type of the field
5526 * This method generates a function which can be used to load a field address
5527 * from an object. The generated function has the following signature:
5528 * gpointer ldflda_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset);
5531 mono_marshal_get_ldflda_wrapper (MonoType *type)
5533 MonoMethodSignature *sig;
5534 MonoMethodBuilder *mb;
5539 int t, pos0, pos1, pos2, pos3;
5541 type = mono_type_get_underlying_type (type);
5545 if (type->type == MONO_TYPE_SZARRAY) {
5546 klass = mono_defaults.array_class;
5547 } else if (type->type == MONO_TYPE_VALUETYPE) {
5548 klass = type->data.klass;
5549 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING ||
5550 t == MONO_TYPE_CLASS) {
5551 klass = mono_defaults.object_class;
5552 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
5553 klass = mono_defaults.int_class;
5554 } else if (t == MONO_TYPE_GENERICINST) {
5555 if (mono_type_generic_inst_is_valuetype (type))
5556 klass = mono_class_from_mono_type (type);
5558 klass = mono_defaults.object_class;
5560 klass = mono_class_from_mono_type (type);
5563 klass = mono_defaults.int_class;
5566 cache = get_cache (&klass->image->ldflda_wrapper_cache, mono_aligned_addr_hash, NULL);
5567 if ((res = mono_marshal_find_in_cache (cache, klass)))
5570 /* we add the %p pointer value of klass because class names are not unique */
5571 name = g_strdup_printf ("__ldflda_wrapper_%p_%s.%s", klass, klass->name_space, klass->name);
5572 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_LDFLDA);
5575 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
5576 sig->params [0] = &mono_defaults.object_class->byval_arg;
5577 sig->params [1] = &mono_defaults.int_class->byval_arg;
5578 sig->params [2] = &mono_defaults.int_class->byval_arg;
5579 sig->params [3] = &mono_defaults.int_class->byval_arg;
5580 sig->ret = &mono_defaults.int_class->byval_arg;
5583 /* if typeof (this) != transparent_proxy goto pos0 */
5584 mono_mb_emit_ldarg (mb, 0);
5585 pos0 = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
5587 /* if same_appdomain goto pos1 */
5588 mono_mb_emit_ldarg (mb, 0);
5589 pos1 = mono_mb_emit_xdomain_check (mb, CEE_BEQ);
5591 mono_mb_emit_exception_full (mb, "System", "InvalidOperationException", "Attempt to load field address from object in another appdomain.");
5593 /* same app domain */
5594 mono_mb_patch_branch (mb, pos1);
5596 /* if typeof (this) != contextbound goto pos2 */
5597 mono_mb_emit_ldarg (mb, 0);
5598 pos2 = mono_mb_emit_contextbound_check (mb, CEE_BEQ);
5600 /* if this->rp->context == mono_context_get goto pos3 */
5601 mono_mb_emit_ldarg (mb, 0);
5602 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoTransparentProxy, rp));
5603 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5604 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoRealProxy, context));
5605 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5606 mono_mb_emit_icall (mb, mono_context_get);
5607 pos3 = mono_mb_emit_branch (mb, CEE_BEQ);
5609 mono_mb_emit_exception_full (mb, "System", "InvalidOperationException", "Attempt to load field address from object in another context.");
5611 mono_mb_patch_branch (mb, pos2);
5612 mono_mb_patch_branch (mb, pos3);
5614 /* return the address of the field from this->rp->unwrapped_server */
5615 mono_mb_emit_ldarg (mb, 0);
5616 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoTransparentProxy, rp));
5617 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5618 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoRealProxy, unwrapped_server));
5619 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5620 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5621 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
5622 mono_mb_emit_ldarg (mb, 3);
5623 mono_mb_emit_byte (mb, CEE_ADD);
5624 mono_mb_emit_byte (mb, CEE_RET);
5626 /* not a proxy: return the address of the field directly */
5627 mono_mb_patch_branch (mb, pos0);
5629 mono_mb_emit_ldarg (mb, 0);
5630 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5631 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
5632 mono_mb_emit_ldarg (mb, 3);
5633 mono_mb_emit_byte (mb, CEE_ADD);
5635 mono_mb_emit_byte (mb, CEE_RET);
5638 res = mono_mb_create_and_cache (cache, klass,
5639 mb, sig, sig->param_count + 16);
5646 * mono_marshal_get_stfld_remote_wrapper:
5647 * klass: The type of the field
5649 * This function generates a wrapper for calling mono_store_remote_field_new
5650 * with the appropriate signature.
5651 * Similarly to mono_marshal_get_ldfld_remote_wrapper () this doesn't depend on the
5652 * klass argument anymore.
5655 mono_marshal_get_stfld_remote_wrapper (MonoClass *klass)
5657 MonoMethodSignature *sig, *csig;
5658 MonoMethodBuilder *mb;
5660 static MonoMethod *cached = NULL;
5662 mono_marshal_lock ();
5664 mono_marshal_unlock ();
5667 mono_marshal_unlock ();
5669 mb = mono_mb_new_no_dup_name (mono_defaults.object_class, "__mono_store_remote_field_new_wrapper", MONO_WRAPPER_STFLD_REMOTE);
5671 mb->method->save_lmf = 1;
5673 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
5674 sig->params [0] = &mono_defaults.object_class->byval_arg;
5675 sig->params [1] = &mono_defaults.int_class->byval_arg;
5676 sig->params [2] = &mono_defaults.int_class->byval_arg;
5677 sig->params [3] = &mono_defaults.object_class->byval_arg;
5678 sig->ret = &mono_defaults.void_class->byval_arg;
5681 mono_mb_emit_ldarg (mb, 0);
5682 mono_mb_emit_ldarg (mb, 1);
5683 mono_mb_emit_ldarg (mb, 2);
5684 mono_mb_emit_ldarg (mb, 3);
5686 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
5687 csig->params [0] = &mono_defaults.object_class->byval_arg;
5688 csig->params [1] = &mono_defaults.int_class->byval_arg;
5689 csig->params [2] = &mono_defaults.int_class->byval_arg;
5690 csig->params [3] = &mono_defaults.object_class->byval_arg;
5691 csig->ret = &mono_defaults.void_class->byval_arg;
5694 mono_mb_emit_native_call (mb, csig, mono_store_remote_field_new);
5695 emit_thread_interrupt_checkpoint (mb);
5697 mono_mb_emit_byte (mb, CEE_RET);
5700 mono_marshal_lock ();
5702 mono_marshal_unlock ();
5705 newm = mono_mb_create_method (mb, sig, 6);
5706 mono_marshal_lock ();
5711 mono_marshal_unlock ();
5713 mono_marshal_unlock ();
5714 mono_free_method (newm);
5723 * mono_marshal_get_stfld_wrapper:
5724 * @type: the type of the field
5726 * This method generates a function which can be use to store a field with type
5727 * @type. The generated function has the following signature:
5728 * void stfld_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset, <@type> val)
5731 mono_marshal_get_stfld_wrapper (MonoType *type)
5733 MonoMethodSignature *sig;
5734 MonoMethodBuilder *mb;
5741 type = mono_type_get_underlying_type (type);
5745 if (type->type == MONO_TYPE_SZARRAY) {
5746 klass = mono_defaults.array_class;
5747 } else if (type->type == MONO_TYPE_VALUETYPE) {
5748 klass = type->data.klass;
5749 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING) {
5750 klass = mono_defaults.object_class;
5751 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
5752 klass = mono_defaults.int_class;
5753 } else if (t == MONO_TYPE_GENERICINST) {
5754 if (mono_type_generic_inst_is_valuetype (type))
5755 klass = mono_class_from_mono_type (type);
5757 klass = mono_defaults.object_class;
5759 klass = mono_class_from_mono_type (type);
5762 klass = mono_defaults.int_class;
5765 cache = get_cache (&klass->image->stfld_wrapper_cache, mono_aligned_addr_hash, NULL);
5766 if ((res = mono_marshal_find_in_cache (cache, klass)))
5769 /* we add the %p pointer value of klass because class names are not unique */
5770 name = g_strdup_printf ("__stfld_wrapper_%p_%s.%s", klass, klass->name_space, klass->name);
5771 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_STFLD);
5774 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 5);
5775 sig->params [0] = &mono_defaults.object_class->byval_arg;
5776 sig->params [1] = &mono_defaults.int_class->byval_arg;
5777 sig->params [2] = &mono_defaults.int_class->byval_arg;
5778 sig->params [3] = &mono_defaults.int_class->byval_arg;
5779 sig->params [4] = &klass->byval_arg;
5780 sig->ret = &mono_defaults.void_class->byval_arg;
5783 mono_mb_emit_ldarg (mb, 0);
5784 pos = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
5786 mono_mb_emit_ldarg (mb, 0);
5787 mono_mb_emit_ldarg (mb, 1);
5788 mono_mb_emit_ldarg (mb, 2);
5789 mono_mb_emit_ldarg (mb, 4);
5790 if (klass->valuetype)
5791 mono_mb_emit_op (mb, CEE_BOX, klass);
5793 mono_mb_emit_managed_call (mb, mono_marshal_get_stfld_remote_wrapper (klass), NULL);
5795 mono_mb_emit_byte (mb, CEE_RET);
5797 mono_mb_patch_branch (mb, pos);
5799 mono_mb_emit_ldarg (mb, 0);
5800 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5801 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
5802 mono_mb_emit_ldarg (mb, 3);
5803 mono_mb_emit_byte (mb, CEE_ADD);
5804 mono_mb_emit_ldarg (mb, 4);
5809 case MONO_TYPE_BOOLEAN:
5810 case MONO_TYPE_CHAR:
5819 case MONO_TYPE_ARRAY:
5820 case MONO_TYPE_SZARRAY:
5821 case MONO_TYPE_OBJECT:
5822 case MONO_TYPE_CLASS:
5823 case MONO_TYPE_STRING:
5827 case MONO_TYPE_FNPTR:
5828 mono_mb_emit_byte (mb, mono_type_to_stind (type));
5830 case MONO_TYPE_VALUETYPE:
5831 g_assert (!klass->enumtype);
5832 mono_mb_emit_op (mb, CEE_STOBJ, klass);
5834 case MONO_TYPE_GENERICINST:
5836 case MONO_TYPE_MVAR:
5837 mono_mb_emit_op (mb, CEE_STOBJ, klass);
5840 g_warning ("type %x not implemented", type->type);
5841 g_assert_not_reached ();
5844 mono_mb_emit_byte (mb, CEE_RET);
5847 res = mono_mb_create_and_cache (cache, klass,
5848 mb, sig, sig->param_count + 16);
5853 #endif /* DISABLE_REMOTING */
5856 * generates IL code for the icall wrapper (the generated method
5857 * calls the unmanaged code in func)
5858 * The wrapper info for the wrapper is a WrapperInfo structure.
5861 mono_marshal_get_icall_wrapper (MonoMethodSignature *sig, const char *name, gconstpointer func, gboolean check_exceptions)
5863 MonoMethodSignature *csig, *csig2;
5864 MonoMethodBuilder *mb;
5869 g_assert (sig->pinvoke);
5871 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_MANAGED_TO_NATIVE);
5873 mb->method->save_lmf = 1;
5875 /* Add an explicit this argument */
5877 csig2 = signature_dup_add_this (mono_defaults.corlib, sig, mono_defaults.object_class);
5879 csig2 = signature_dup (mono_defaults.corlib, sig);
5883 mono_mb_emit_byte (mb, CEE_LDARG_0);
5885 for (i = 0; i < sig->param_count; i++)
5886 mono_mb_emit_ldarg (mb, i + sig->hasthis);
5888 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5889 mono_mb_emit_op (mb, CEE_MONO_JIT_ICALL_ADDR, (gpointer)func);
5890 mono_mb_emit_calli (mb, csig2);
5891 if (check_exceptions)
5892 emit_thread_interrupt_checkpoint (mb);
5893 mono_mb_emit_byte (mb, CEE_RET);
5896 csig = signature_dup (mono_defaults.corlib, sig);
5898 if (csig->call_convention == MONO_CALL_VARARG)
5899 csig->call_convention = 0;
5901 res = mono_mb_create_method (mb, csig, csig->param_count + 16);
5904 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_ICALL_WRAPPER);
5905 info->d.icall.func = (gpointer)func;
5906 mono_marshal_set_wrapper_info (res, info);
5912 emit_marshal_custom (EmitMarshalContext *m, int argnum, MonoType *t,
5913 MonoMarshalSpec *spec,
5914 int conv_arg, MonoType **conv_arg_type,
5915 MarshalAction action)
5918 if (action == MARSHAL_ACTION_CONV_IN && t->type == MONO_TYPE_VALUETYPE)
5919 *conv_arg_type = &mono_defaults.int_class->byval_arg;
5924 static MonoClass *ICustomMarshaler = NULL;
5925 static MonoMethod *cleanup_native, *cleanup_managed;
5926 static MonoMethod *marshal_managed_to_native, *marshal_native_to_managed;
5927 MonoMethod *get_instance = NULL;
5928 MonoMethodBuilder *mb = m->mb;
5929 char *exception_msg = NULL;
5933 if (!ICustomMarshaler) {
5934 ICustomMarshaler = mono_class_from_name (mono_defaults.corlib, "System.Runtime.InteropServices", "ICustomMarshaler");
5935 if (!ICustomMarshaler) {
5936 exception_msg = g_strdup ("Current profile doesn't support ICustomMarshaler");
5937 goto handle_exception;
5940 cleanup_native = mono_class_get_method_from_name (ICustomMarshaler, "CleanUpNativeData", 1);
5941 g_assert (cleanup_native);
5942 cleanup_managed = mono_class_get_method_from_name (ICustomMarshaler, "CleanUpManagedData", 1);
5943 g_assert (cleanup_managed);
5944 marshal_managed_to_native = mono_class_get_method_from_name (ICustomMarshaler, "MarshalManagedToNative", 1);
5945 g_assert (marshal_managed_to_native);
5946 marshal_native_to_managed = mono_class_get_method_from_name (ICustomMarshaler, "MarshalNativeToManaged", 1);
5947 g_assert (marshal_native_to_managed);
5950 if (spec->data.custom_data.image)
5951 mtype = mono_reflection_type_from_name (spec->data.custom_data.custom_name, spec->data.custom_data.image);
5953 mtype = mono_reflection_type_from_name (spec->data.custom_data.custom_name, m->image);
5954 g_assert (mtype != NULL);
5955 mklass = mono_class_from_mono_type (mtype);
5956 g_assert (mklass != NULL);
5958 if (!mono_class_is_assignable_from (ICustomMarshaler, mklass))
5959 exception_msg = g_strdup_printf ("Custom marshaler '%s' does not implement the ICustomMarshaler interface.", mklass->name);
5961 get_instance = mono_class_get_method_from_name_flags (mklass, "GetInstance", 1, METHOD_ATTRIBUTE_STATIC);
5963 MonoMethodSignature *get_sig = mono_method_signature (get_instance);
5964 if ((get_sig->ret->type != MONO_TYPE_CLASS) ||
5965 (mono_class_from_mono_type (get_sig->ret) != ICustomMarshaler) ||
5966 (get_sig->params [0]->type != MONO_TYPE_STRING))
5967 get_instance = NULL;
5971 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);
5974 /* Throw exception and emit compensation code if neccesary */
5975 if (exception_msg) {
5977 case MARSHAL_ACTION_CONV_IN:
5978 case MARSHAL_ACTION_CONV_RESULT:
5979 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
5980 if ((action == MARSHAL_ACTION_CONV_RESULT) || (action == MARSHAL_ACTION_MANAGED_CONV_RESULT))
5981 mono_mb_emit_byte (mb, CEE_POP);
5983 mono_mb_emit_exception_full (mb, "System", "ApplicationException", exception_msg);
5984 g_free (exception_msg);
5987 case MARSHAL_ACTION_PUSH:
5988 mono_mb_emit_byte (mb, CEE_LDNULL);
5996 /* FIXME: MS.NET seems to create one instance for each klass + cookie pair */
5997 /* FIXME: MS.NET throws an exception if GetInstance returns null */
6000 case MARSHAL_ACTION_CONV_IN:
6002 case MONO_TYPE_CLASS:
6003 case MONO_TYPE_OBJECT:
6004 case MONO_TYPE_STRING:
6005 case MONO_TYPE_ARRAY:
6006 case MONO_TYPE_SZARRAY:
6007 case MONO_TYPE_VALUETYPE:
6011 g_warning ("custom marshalling of type %x is currently not supported", t->type);
6012 g_assert_not_reached ();
6016 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6018 mono_mb_emit_byte (mb, CEE_LDNULL);
6019 mono_mb_emit_stloc (mb, conv_arg);
6021 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT))
6024 /* Minic MS.NET behavior */
6025 if (!t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT) && !(t->attrs & PARAM_ATTRIBUTE_IN))
6028 /* Check for null */
6029 mono_mb_emit_ldarg (mb, argnum);
6031 mono_mb_emit_byte (mb, CEE_LDIND_I);
6032 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6034 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
6036 mono_mb_emit_op (mb, CEE_CALL, get_instance);
6038 mono_mb_emit_ldarg (mb, argnum);
6040 mono_mb_emit_byte (mb, CEE_LDIND_REF);
6042 if (t->type == MONO_TYPE_VALUETYPE) {
6044 * Since we can't determine the type of the argument, we
6045 * will assume the unmanaged function takes a pointer.
6047 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6049 mono_mb_emit_op (mb, CEE_BOX, mono_class_from_mono_type (t));
6052 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_managed_to_native);
6053 mono_mb_emit_stloc (mb, conv_arg);
6055 mono_mb_patch_branch (mb, pos2);
6058 case MARSHAL_ACTION_CONV_OUT:
6059 /* Check for null */
6060 mono_mb_emit_ldloc (mb, conv_arg);
6061 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6064 mono_mb_emit_ldarg (mb, argnum);
6066 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
6068 mono_mb_emit_op (mb, CEE_CALL, get_instance);
6070 mono_mb_emit_ldloc (mb, conv_arg);
6071 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
6072 mono_mb_emit_byte (mb, CEE_STIND_REF);
6073 } else if (t->attrs & PARAM_ATTRIBUTE_OUT) {
6074 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
6076 mono_mb_emit_op (mb, CEE_CALL, get_instance);
6078 mono_mb_emit_ldloc (mb, conv_arg);
6079 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
6081 /* We have nowhere to store the result */
6082 mono_mb_emit_byte (mb, CEE_POP);
6085 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
6087 mono_mb_emit_op (mb, CEE_CALL, get_instance);
6089 mono_mb_emit_ldloc (mb, conv_arg);
6091 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_native);
6093 mono_mb_patch_branch (mb, pos2);
6096 case MARSHAL_ACTION_PUSH:
6098 mono_mb_emit_ldloc_addr (mb, conv_arg);
6100 mono_mb_emit_ldloc (mb, conv_arg);
6103 case MARSHAL_ACTION_CONV_RESULT:
6104 loc1 = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6106 mono_mb_emit_stloc (mb, 3);
6108 mono_mb_emit_ldloc (mb, 3);
6109 mono_mb_emit_stloc (mb, loc1);
6111 /* Check for null */
6112 mono_mb_emit_ldloc (mb, 3);
6113 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6115 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
6117 mono_mb_emit_op (mb, CEE_CALL, get_instance);
6118 mono_mb_emit_byte (mb, CEE_DUP);
6120 mono_mb_emit_ldloc (mb, 3);
6121 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
6122 mono_mb_emit_stloc (mb, 3);
6124 mono_mb_emit_ldloc (mb, loc1);
6125 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_native);
6127 mono_mb_patch_branch (mb, pos2);
6130 case MARSHAL_ACTION_MANAGED_CONV_IN:
6131 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
6133 mono_mb_emit_byte (mb, CEE_LDNULL);
6134 mono_mb_emit_stloc (mb, conv_arg);
6136 if (t->byref && t->attrs & PARAM_ATTRIBUTE_OUT)
6139 /* Check for null */
6140 mono_mb_emit_ldarg (mb, argnum);
6142 mono_mb_emit_byte (mb, CEE_LDIND_I);
6143 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6145 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
6146 mono_mb_emit_op (mb, CEE_CALL, get_instance);
6148 mono_mb_emit_ldarg (mb, argnum);
6150 mono_mb_emit_byte (mb, CEE_LDIND_I);
6152 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
6153 mono_mb_emit_stloc (mb, conv_arg);
6155 mono_mb_patch_branch (mb, pos2);
6158 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
6159 g_assert (!t->byref);
6161 loc1 = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
6163 mono_mb_emit_stloc (mb, 3);
6165 mono_mb_emit_ldloc (mb, 3);
6166 mono_mb_emit_stloc (mb, loc1);
6168 /* Check for null */
6169 mono_mb_emit_ldloc (mb, 3);
6170 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6172 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
6173 mono_mb_emit_op (mb, CEE_CALL, get_instance);
6174 mono_mb_emit_byte (mb, CEE_DUP);
6176 mono_mb_emit_ldloc (mb, 3);
6177 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_managed_to_native);
6178 mono_mb_emit_stloc (mb, 3);
6180 mono_mb_emit_ldloc (mb, loc1);
6181 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_managed);
6183 mono_mb_patch_branch (mb, pos2);
6186 case MARSHAL_ACTION_MANAGED_CONV_OUT:
6188 /* Check for null */
6189 mono_mb_emit_ldloc (mb, conv_arg);
6190 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6193 mono_mb_emit_ldarg (mb, argnum);
6195 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
6197 mono_mb_emit_op (mb, CEE_CALL, get_instance);
6199 mono_mb_emit_ldloc (mb, conv_arg);
6200 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_managed_to_native);
6201 mono_mb_emit_byte (mb, CEE_STIND_I);
6204 /* Call CleanUpManagedData */
6205 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
6207 mono_mb_emit_op (mb, CEE_CALL, get_instance);
6209 mono_mb_emit_ldloc (mb, conv_arg);
6210 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_managed);
6212 mono_mb_patch_branch (mb, pos2);
6216 g_assert_not_reached ();
6224 emit_marshal_asany (EmitMarshalContext *m, int argnum, MonoType *t,
6225 MonoMarshalSpec *spec,
6226 int conv_arg, MonoType **conv_arg_type,
6227 MarshalAction action)
6230 MonoMethodBuilder *mb = m->mb;
6233 case MARSHAL_ACTION_CONV_IN: {
6234 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, NULL);
6236 g_assert (t->type == MONO_TYPE_OBJECT);
6237 g_assert (!t->byref);
6239 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6240 mono_mb_emit_ldarg (mb, argnum);
6241 mono_mb_emit_icon (mb, encoding);
6242 mono_mb_emit_icon (mb, t->attrs);
6243 mono_mb_emit_icall (mb, mono_marshal_asany);
6244 mono_mb_emit_stloc (mb, conv_arg);
6248 case MARSHAL_ACTION_PUSH:
6249 mono_mb_emit_ldloc (mb, conv_arg);
6252 case MARSHAL_ACTION_CONV_OUT: {
6253 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, NULL);
6255 mono_mb_emit_ldarg (mb, argnum);
6256 mono_mb_emit_ldloc (mb, conv_arg);
6257 mono_mb_emit_icon (mb, encoding);
6258 mono_mb_emit_icon (mb, t->attrs);
6259 mono_mb_emit_icall (mb, mono_marshal_free_asany);
6264 g_assert_not_reached ();
6271 emit_marshal_vtype (EmitMarshalContext *m, int argnum, MonoType *t,
6272 MonoMarshalSpec *spec,
6273 int conv_arg, MonoType **conv_arg_type,
6274 MarshalAction action)
6277 MonoMethodBuilder *mb = m->mb;
6278 MonoClass *klass, *date_time_class;
6281 klass = mono_class_from_mono_type (t);
6283 date_time_class = mono_class_from_name_cached (mono_defaults.corlib, "System", "DateTime");
6286 case MARSHAL_ACTION_CONV_IN:
6287 if (klass == date_time_class) {
6288 /* Convert it to an OLE DATE type */
6289 static MonoMethod *to_oadate;
6292 to_oadate = mono_class_get_method_from_name (date_time_class, "ToOADate", 0);
6293 g_assert (to_oadate);
6295 conv_arg = mono_mb_add_local (mb, &mono_defaults.double_class->byval_arg);
6298 mono_mb_emit_ldarg (mb, argnum);
6299 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6302 if (!(t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && (t->attrs & PARAM_ATTRIBUTE_OUT))) {
6304 m->csig->params [argnum - m->csig->hasthis] = &mono_defaults.double_class->byval_arg;
6306 mono_mb_emit_ldarg_addr (mb, argnum);
6307 mono_mb_emit_managed_call (mb, to_oadate, NULL);
6308 mono_mb_emit_stloc (mb, conv_arg);
6312 mono_mb_patch_branch (mb, pos);
6316 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6317 klass->blittable || klass->enumtype)
6320 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6322 /* store the address of the source into local variable 0 */
6324 mono_mb_emit_ldarg (mb, argnum);
6326 mono_mb_emit_ldarg_addr (mb, argnum);
6328 mono_mb_emit_stloc (mb, 0);
6330 /* allocate space for the native struct and
6331 * store the address into local variable 1 (dest) */
6332 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
6333 mono_mb_emit_byte (mb, CEE_PREFIX1);
6334 mono_mb_emit_byte (mb, CEE_LOCALLOC);
6335 mono_mb_emit_stloc (mb, conv_arg);
6338 mono_mb_emit_ldloc (mb, 0);
6339 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6342 if (!(t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && (t->attrs & PARAM_ATTRIBUTE_OUT))) {
6344 mono_mb_emit_ldloc (mb, conv_arg);
6345 mono_mb_emit_stloc (mb, 1);
6347 /* emit valuetype conversion code */
6348 emit_struct_conv (mb, klass, FALSE);
6352 mono_mb_patch_branch (mb, pos);
6355 case MARSHAL_ACTION_PUSH:
6356 if (spec && spec->native == MONO_NATIVE_LPSTRUCT) {
6358 g_assert (!t->byref);
6360 /* Have to change the signature since the vtype is passed byref */
6361 m->csig->params [argnum - m->csig->hasthis] = &mono_defaults.int_class->byval_arg;
6363 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6364 klass->blittable || klass->enumtype)
6365 mono_mb_emit_ldarg_addr (mb, argnum);
6367 mono_mb_emit_ldloc (mb, conv_arg);
6371 if (klass == date_time_class) {
6373 mono_mb_emit_ldloc_addr (mb, conv_arg);
6375 mono_mb_emit_ldloc (mb, conv_arg);
6379 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6380 klass->blittable || klass->enumtype) {
6381 mono_mb_emit_ldarg (mb, argnum);
6384 mono_mb_emit_ldloc (mb, conv_arg);
6386 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6387 mono_mb_emit_op (mb, CEE_MONO_LDNATIVEOBJ, klass);
6391 case MARSHAL_ACTION_CONV_OUT:
6392 if (klass == date_time_class) {
6393 /* Convert from an OLE DATE type */
6394 static MonoMethod *from_oadate;
6399 if (!((t->attrs & PARAM_ATTRIBUTE_IN) && !(t->attrs & PARAM_ATTRIBUTE_OUT))) {
6401 from_oadate = mono_class_get_method_from_name (date_time_class, "FromOADate", 1);
6402 g_assert (from_oadate);
6404 mono_mb_emit_ldarg (mb, argnum);
6405 mono_mb_emit_ldloc (mb, conv_arg);
6406 mono_mb_emit_managed_call (mb, from_oadate, NULL);
6407 mono_mb_emit_op (mb, CEE_STOBJ, date_time_class);
6412 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6413 klass->blittable || klass->enumtype)
6417 /* dst = argument */
6418 mono_mb_emit_ldarg (mb, argnum);
6419 mono_mb_emit_stloc (mb, 1);
6421 mono_mb_emit_ldloc (mb, 1);
6422 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6424 if (!((t->attrs & PARAM_ATTRIBUTE_IN) && !(t->attrs & PARAM_ATTRIBUTE_OUT))) {
6425 /* src = tmp_locals [i] */
6426 mono_mb_emit_ldloc (mb, conv_arg);
6427 mono_mb_emit_stloc (mb, 0);
6429 /* emit valuetype conversion code */
6430 emit_struct_conv (mb, klass, TRUE);
6434 emit_struct_free (mb, klass, conv_arg);
6437 mono_mb_patch_branch (mb, pos);
6440 case MARSHAL_ACTION_CONV_RESULT:
6441 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6443 mono_mb_emit_stloc (mb, 3);
6447 /* load pointer to returned value type */
6448 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6449 mono_mb_emit_byte (mb, CEE_MONO_VTADDR);
6450 /* store the address of the source into local variable 0 */
6451 mono_mb_emit_stloc (mb, 0);
6453 mono_mb_emit_ldloc_addr (mb, 3);
6454 mono_mb_emit_stloc (mb, 1);
6456 /* emit valuetype conversion code */
6457 emit_struct_conv (mb, klass, TRUE);
6460 case MARSHAL_ACTION_MANAGED_CONV_IN:
6461 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6462 klass->blittable || klass->enumtype) {
6467 conv_arg = mono_mb_add_local (mb, &klass->byval_arg);
6469 if (t->attrs & PARAM_ATTRIBUTE_OUT)
6473 mono_mb_emit_ldarg (mb, argnum);
6475 mono_mb_emit_ldarg_addr (mb, argnum);
6476 mono_mb_emit_stloc (mb, 0);
6479 mono_mb_emit_ldloc (mb, 0);
6480 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6483 mono_mb_emit_ldloc_addr (mb, conv_arg);
6484 mono_mb_emit_stloc (mb, 1);
6486 /* emit valuetype conversion code */
6487 emit_struct_conv (mb, klass, TRUE);
6490 mono_mb_patch_branch (mb, pos);
6493 case MARSHAL_ACTION_MANAGED_CONV_OUT:
6494 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6495 klass->blittable || klass->enumtype) {
6499 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_IN) && !(t->attrs & PARAM_ATTRIBUTE_OUT))
6502 /* Check for null */
6503 mono_mb_emit_ldarg (mb, argnum);
6504 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6507 mono_mb_emit_ldloc_addr (mb, conv_arg);
6508 mono_mb_emit_stloc (mb, 0);
6511 mono_mb_emit_ldarg (mb, argnum);
6512 mono_mb_emit_stloc (mb, 1);
6514 /* emit valuetype conversion code */
6515 emit_struct_conv (mb, klass, FALSE);
6517 mono_mb_patch_branch (mb, pos2);
6520 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
6521 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6522 klass->blittable || klass->enumtype) {
6523 mono_mb_emit_stloc (mb, 3);
6528 /* load pointer to returned value type */
6529 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6530 mono_mb_emit_byte (mb, CEE_MONO_VTADDR);
6532 /* store the address of the source into local variable 0 */
6533 mono_mb_emit_stloc (mb, 0);
6534 /* allocate space for the native struct and
6535 * store the address into dst_ptr */
6536 m->retobj_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6537 m->retobj_class = klass;
6538 g_assert (m->retobj_var);
6539 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
6540 mono_mb_emit_byte (mb, CEE_CONV_I);
6541 mono_mb_emit_icall (mb, mono_marshal_alloc);
6542 mono_mb_emit_stloc (mb, 1);
6543 mono_mb_emit_ldloc (mb, 1);
6544 mono_mb_emit_stloc (mb, m->retobj_var);
6546 /* emit valuetype conversion code */
6547 emit_struct_conv (mb, klass, FALSE);
6551 g_assert_not_reached ();
6558 emit_marshal_string (EmitMarshalContext *m, int argnum, MonoType *t,
6559 MonoMarshalSpec *spec,
6560 int conv_arg, MonoType **conv_arg_type,
6561 MarshalAction action)
6565 case MARSHAL_ACTION_CONV_IN:
6566 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6568 case MARSHAL_ACTION_MANAGED_CONV_IN:
6569 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6573 MonoMethodBuilder *mb = m->mb;
6574 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
6575 MonoMarshalConv conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
6579 case MARSHAL_ACTION_CONV_IN:
6580 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6581 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6584 if (t->attrs & PARAM_ATTRIBUTE_OUT)
6587 mono_mb_emit_ldarg (mb, argnum);
6588 mono_mb_emit_byte (mb, CEE_LDIND_I);
6590 mono_mb_emit_ldarg (mb, argnum);
6594 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
6595 mono_mb_emit_exception_marshal_directive (mb, msg);
6597 mono_mb_emit_icall (mb, conv_to_icall (conv));
6599 mono_mb_emit_stloc (mb, conv_arg);
6603 case MARSHAL_ACTION_CONV_OUT:
6604 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
6606 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
6607 mono_mb_emit_exception_marshal_directive (mb, msg);
6611 if (encoding == MONO_NATIVE_VBBYREFSTR) {
6612 static MonoMethod *m;
6615 m = mono_class_get_method_from_name_flags (mono_defaults.string_class, "get_Length", -1, 0);
6620 char *msg = g_strdup_printf ("VBByRefStr marshalling requires a ref parameter.", encoding);
6621 mono_mb_emit_exception_marshal_directive (mb, msg);
6626 * Have to allocate a new string with the same length as the original, and
6627 * copy the contents of the buffer pointed to by CONV_ARG into it.
6629 g_assert (t->byref);
6630 mono_mb_emit_ldarg (mb, argnum);
6631 mono_mb_emit_ldloc (mb, conv_arg);
6632 mono_mb_emit_ldarg (mb, argnum);
6633 mono_mb_emit_byte (mb, CEE_LDIND_I);
6634 mono_mb_emit_managed_call (mb, m, NULL);
6635 mono_mb_emit_icall (mb, mono_string_new_len_wrapper);
6636 mono_mb_emit_byte (mb, CEE_STIND_REF);
6637 } else if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT || !(t->attrs & PARAM_ATTRIBUTE_IN))) {
6638 mono_mb_emit_ldarg (mb, argnum);
6639 mono_mb_emit_ldloc (mb, conv_arg);
6640 mono_mb_emit_icall (mb, conv_to_icall (conv));
6641 mono_mb_emit_byte (mb, CEE_STIND_REF);
6646 mono_mb_emit_ldloc (mb, conv_arg);
6647 if (conv == MONO_MARSHAL_CONV_BSTR_STR)
6648 mono_mb_emit_icall (mb, mono_free_bstr);
6650 mono_mb_emit_icall (mb, mono_marshal_free);
6654 case MARSHAL_ACTION_PUSH:
6655 if (t->byref && encoding != MONO_NATIVE_VBBYREFSTR)
6656 mono_mb_emit_ldloc_addr (mb, conv_arg);
6658 mono_mb_emit_ldloc (mb, conv_arg);
6661 case MARSHAL_ACTION_CONV_RESULT:
6662 mono_mb_emit_stloc (mb, 0);
6664 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
6666 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
6667 mono_mb_emit_exception_marshal_directive (mb, msg);
6671 mono_mb_emit_ldloc (mb, 0);
6672 mono_mb_emit_icall (mb, conv_to_icall (conv));
6673 mono_mb_emit_stloc (mb, 3);
6675 /* free the string */
6676 mono_mb_emit_ldloc (mb, 0);
6677 if (conv == MONO_MARSHAL_CONV_BSTR_STR)
6678 mono_mb_emit_icall (mb, mono_free_bstr);
6680 mono_mb_emit_icall (mb, mono_marshal_free);
6683 case MARSHAL_ACTION_MANAGED_CONV_IN:
6684 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
6686 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6689 if (t->attrs & PARAM_ATTRIBUTE_OUT)
6693 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
6695 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
6696 mono_mb_emit_exception_marshal_directive (mb, msg);
6700 mono_mb_emit_ldarg (mb, argnum);
6702 mono_mb_emit_byte (mb, CEE_LDIND_I);
6703 mono_mb_emit_icall (mb, conv_to_icall (conv));
6704 mono_mb_emit_stloc (mb, conv_arg);
6707 case MARSHAL_ACTION_MANAGED_CONV_OUT:
6710 mono_mb_emit_ldarg (mb, argnum);
6711 mono_mb_emit_ldloc (mb, conv_arg);
6712 mono_mb_emit_icall (mb, conv_to_icall (conv));
6713 mono_mb_emit_byte (mb, CEE_STIND_I);
6718 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
6719 if (conv_to_icall (conv) == mono_marshal_string_to_utf16)
6720 /* We need to make a copy so the caller is able to free it */
6721 mono_mb_emit_icall (mb, mono_marshal_string_to_utf16_copy);
6723 mono_mb_emit_icall (mb, conv_to_icall (conv));
6724 mono_mb_emit_stloc (mb, 3);
6728 g_assert_not_reached ();
6736 emit_marshal_safehandle (EmitMarshalContext *m, int argnum, MonoType *t,
6737 MonoMarshalSpec *spec, int conv_arg,
6738 MonoType **conv_arg_type, MarshalAction action)
6741 if (action == MARSHAL_ACTION_CONV_IN)
6742 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6744 MonoMethodBuilder *mb = m->mb;
6747 case MARSHAL_ACTION_CONV_IN: {
6748 MonoType *intptr_type;
6749 int dar_release_slot, pos;
6751 intptr_type = &mono_defaults.int_class->byval_arg;
6752 conv_arg = mono_mb_add_local (mb, intptr_type);
6753 *conv_arg_type = intptr_type;
6755 if (!sh_dangerous_add_ref)
6756 init_safe_handle ();
6758 mono_mb_emit_ldarg (mb, argnum);
6759 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
6760 mono_mb_emit_exception (mb, "ArgumentNullException", NULL);
6762 mono_mb_patch_branch (mb, pos);
6765 * My tests in show that ref SafeHandles are not really
6766 * passed as ref objects. Instead a NULL is passed as the
6769 mono_mb_emit_icon (mb, 0);
6770 mono_mb_emit_stloc (mb, conv_arg);
6774 /* Create local to hold the ref parameter to DangerousAddRef */
6775 dar_release_slot = mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
6777 /* set release = false; */
6778 mono_mb_emit_icon (mb, 0);
6779 mono_mb_emit_stloc (mb, dar_release_slot);
6781 /* safehandle.DangerousAddRef (ref release) */
6782 mono_mb_emit_ldarg (mb, argnum);
6783 mono_mb_emit_ldloc_addr (mb, dar_release_slot);
6784 mono_mb_emit_managed_call (mb, sh_dangerous_add_ref, NULL);
6786 /* Pull the handle field from SafeHandle */
6787 mono_mb_emit_ldarg (mb, argnum);
6788 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoSafeHandle, handle));
6789 mono_mb_emit_byte (mb, CEE_LDIND_I);
6790 mono_mb_emit_stloc (mb, conv_arg);
6795 case MARSHAL_ACTION_PUSH:
6797 mono_mb_emit_ldloc_addr (mb, conv_arg);
6799 mono_mb_emit_ldloc (mb, conv_arg);
6802 case MARSHAL_ACTION_CONV_OUT: {
6803 /* The slot for the boolean is the next temporary created after conv_arg, see the CONV_IN code */
6804 int dar_release_slot = conv_arg + 1;
6807 if (!sh_dangerous_release)
6808 init_safe_handle ();
6814 * My tests indicate that ref SafeHandles parameters are not actually
6815 * passed by ref, but instead a new Handle is created regardless of
6816 * whether a change happens in the unmanaged side.
6818 * Also, the Handle is created before calling into unmanaged code,
6819 * but we do not support that mechanism (getting to the original
6820 * handle) and it makes no difference where we create this
6822 ctor = mono_class_get_method_from_name (t->data.klass, ".ctor", 0);
6824 mono_mb_emit_exception (mb, "MissingMethodException", "paramterless constructor required");
6827 /* refval = new SafeHandleDerived ()*/
6828 mono_mb_emit_ldarg (mb, argnum);
6829 mono_mb_emit_op (mb, CEE_NEWOBJ, ctor);
6830 mono_mb_emit_byte (mb, CEE_STIND_REF);
6832 /* refval.handle = returned_handle */
6833 mono_mb_emit_ldarg (mb, argnum);
6834 mono_mb_emit_byte (mb, CEE_LDIND_REF);
6835 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoSafeHandle, handle));
6836 mono_mb_emit_ldloc (mb, conv_arg);
6837 mono_mb_emit_byte (mb, CEE_STIND_I);
6839 mono_mb_emit_ldloc (mb, dar_release_slot);
6840 label_next = mono_mb_emit_branch (mb, CEE_BRFALSE);
6841 mono_mb_emit_ldarg (mb, argnum);
6842 mono_mb_emit_managed_call (mb, sh_dangerous_release, NULL);
6843 mono_mb_patch_branch (mb, label_next);
6848 case MARSHAL_ACTION_CONV_RESULT: {
6849 MonoMethod *ctor = NULL;
6850 int intptr_handle_slot;
6852 if (t->data.klass->flags & TYPE_ATTRIBUTE_ABSTRACT){
6853 mono_mb_emit_byte (mb, CEE_POP);
6854 mono_mb_emit_exception_marshal_directive (mb, g_strdup ("Returned SafeHandles should not be abstract"));
6858 ctor = mono_class_get_method_from_name (t->data.klass, ".ctor", 0);
6860 mono_mb_emit_byte (mb, CEE_POP);
6861 mono_mb_emit_exception (mb, "MissingMethodException", "paramterless constructor required");
6864 /* Store the IntPtr results into a local */
6865 intptr_handle_slot = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6866 mono_mb_emit_stloc (mb, intptr_handle_slot);
6868 /* Create return value */
6869 mono_mb_emit_op (mb, CEE_NEWOBJ, ctor);
6870 mono_mb_emit_stloc (mb, 3);
6872 /* Set the return.handle to the value, am using ldflda, not sure if thats a good idea */
6873 mono_mb_emit_ldloc (mb, 3);
6874 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoSafeHandle, handle));
6875 mono_mb_emit_ldloc (mb, intptr_handle_slot);
6876 mono_mb_emit_byte (mb, CEE_STIND_I);
6880 case MARSHAL_ACTION_MANAGED_CONV_IN:
6881 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_IN\n");
6884 case MARSHAL_ACTION_MANAGED_CONV_OUT:
6885 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_OUT\n");
6888 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
6889 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_RESULT\n");
6892 printf ("Unhandled case for MarshalAction: %d\n", action);
6900 emit_marshal_handleref (EmitMarshalContext *m, int argnum, MonoType *t,
6901 MonoMarshalSpec *spec, int conv_arg,
6902 MonoType **conv_arg_type, MarshalAction action)
6905 if (action == MARSHAL_ACTION_CONV_IN)
6906 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6908 MonoMethodBuilder *mb = m->mb;
6911 case MARSHAL_ACTION_CONV_IN: {
6912 MonoType *intptr_type;
6914 intptr_type = &mono_defaults.int_class->byval_arg;
6915 conv_arg = mono_mb_add_local (mb, intptr_type);
6916 *conv_arg_type = intptr_type;
6919 char *msg = g_strdup ("HandleRefs can not be returned from unmanaged code (or passed by ref)");
6920 mono_mb_emit_exception_marshal_directive (mb, msg);
6923 mono_mb_emit_ldarg_addr (mb, argnum);
6924 mono_mb_emit_icon (mb, MONO_STRUCT_OFFSET (MonoHandleRef, handle));
6925 mono_mb_emit_byte (mb, CEE_ADD);
6926 mono_mb_emit_byte (mb, CEE_LDIND_I);
6927 mono_mb_emit_stloc (mb, conv_arg);
6931 case MARSHAL_ACTION_PUSH:
6932 mono_mb_emit_ldloc (mb, conv_arg);
6935 case MARSHAL_ACTION_CONV_OUT: {
6936 /* no resource release required */
6940 case MARSHAL_ACTION_CONV_RESULT: {
6941 char *msg = g_strdup ("HandleRefs can not be returned from unmanaged code (or passed by ref)");
6942 mono_mb_emit_exception_marshal_directive (mb, msg);
6946 case MARSHAL_ACTION_MANAGED_CONV_IN:
6947 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_IN\n");
6950 case MARSHAL_ACTION_MANAGED_CONV_OUT:
6951 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_OUT\n");
6954 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
6955 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_RESULT\n");
6958 fprintf (stderr, "Unhandled case for MarshalAction: %d\n", action);
6966 emit_marshal_object (EmitMarshalContext *m, int argnum, MonoType *t,
6967 MonoMarshalSpec *spec,
6968 int conv_arg, MonoType **conv_arg_type,
6969 MarshalAction action)
6972 if (action == MARSHAL_ACTION_CONV_IN)
6973 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6975 MonoMethodBuilder *mb = m->mb;
6976 MonoClass *klass = mono_class_from_mono_type (t);
6980 case MARSHAL_ACTION_CONV_IN:
6981 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6982 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6984 m->orig_conv_args [argnum] = 0;
6986 if (mono_class_from_mono_type (t) == mono_defaults.object_class) {
6987 char *msg = g_strdup_printf ("Marshalling of type object is not implemented");
6988 mono_mb_emit_exception_marshal_directive (mb, msg);
6992 if (klass->delegate) {
6994 if (!(t->attrs & PARAM_ATTRIBUTE_OUT)) {
6995 char *msg = g_strdup_printf ("Byref marshalling of delegates is not implemented.");
6996 mono_mb_emit_exception_marshal_directive (mb, msg);
6998 mono_mb_emit_byte (mb, CEE_LDNULL);
6999 mono_mb_emit_stloc (mb, conv_arg);
7001 mono_mb_emit_ldarg (mb, argnum);
7002 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_DEL_FTN));
7003 mono_mb_emit_stloc (mb, conv_arg);
7005 } else if (klass == mono_defaults.stringbuilder_class) {
7006 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
7007 MonoMarshalConv conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
7011 if (!(t->attrs & PARAM_ATTRIBUTE_OUT)) {
7012 char *msg = g_strdup_printf ("Byref marshalling of stringbuilders is not implemented.");
7013 mono_mb_emit_exception_marshal_directive (mb, msg);
7019 if (t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && (t->attrs & PARAM_ATTRIBUTE_OUT))
7023 char *msg = g_strdup_printf ("stringbuilder marshalling conversion %d not implemented", encoding);
7024 mono_mb_emit_exception_marshal_directive (mb, msg);
7028 mono_mb_emit_ldarg (mb, argnum);
7030 mono_mb_emit_byte (mb, CEE_LDIND_I);
7032 mono_mb_emit_icall (mb, conv_to_icall (conv));
7033 mono_mb_emit_stloc (mb, conv_arg);
7034 } else if (klass->blittable) {
7035 mono_mb_emit_byte (mb, CEE_LDNULL);
7036 mono_mb_emit_stloc (mb, conv_arg);
7038 mono_mb_emit_ldarg (mb, argnum);
7039 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
7041 mono_mb_emit_ldarg (mb, argnum);
7042 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
7043 mono_mb_emit_stloc (mb, conv_arg);
7045 mono_mb_patch_branch (mb, pos);
7048 mono_mb_emit_byte (mb, CEE_LDNULL);
7049 mono_mb_emit_stloc (mb, conv_arg);
7052 /* we dont need any conversions for out parameters */
7053 if (t->attrs & PARAM_ATTRIBUTE_OUT)
7056 mono_mb_emit_ldarg (mb, argnum);
7057 mono_mb_emit_byte (mb, CEE_LDIND_I);
7060 mono_mb_emit_ldarg (mb, argnum);
7061 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
7062 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
7065 /* store the address of the source into local variable 0 */
7066 mono_mb_emit_stloc (mb, 0);
7067 mono_mb_emit_ldloc (mb, 0);
7068 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
7070 /* allocate space for the native struct and store the address */
7071 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
7072 mono_mb_emit_byte (mb, CEE_PREFIX1);
7073 mono_mb_emit_byte (mb, CEE_LOCALLOC);
7074 mono_mb_emit_stloc (mb, conv_arg);
7077 /* Need to store the original buffer so we can free it later */
7078 m->orig_conv_args [argnum] = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7079 mono_mb_emit_ldloc (mb, conv_arg);
7080 mono_mb_emit_stloc (mb, m->orig_conv_args [argnum]);
7083 /* set the src_ptr */
7084 mono_mb_emit_ldloc (mb, 0);
7085 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
7086 mono_mb_emit_stloc (mb, 0);
7089 mono_mb_emit_ldloc (mb, conv_arg);
7090 mono_mb_emit_stloc (mb, 1);
7092 /* emit valuetype conversion code */
7093 emit_struct_conv (mb, klass, FALSE);
7095 mono_mb_patch_branch (mb, pos);
7099 case MARSHAL_ACTION_CONV_OUT:
7100 if (klass == mono_defaults.stringbuilder_class) {
7102 MonoMarshalNative encoding;
7103 MonoMarshalConv conv;
7105 encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
7106 conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free);
7108 g_assert (encoding != -1);
7111 //g_assert (!(t->attrs & PARAM_ATTRIBUTE_OUT));
7115 mono_mb_emit_ldarg (mb, argnum);
7116 mono_mb_emit_ldloc (mb, conv_arg);
7119 case MONO_NATIVE_LPWSTR:
7120 mono_mb_emit_icall (mb, mono_string_utf16_to_builder2);
7122 case MONO_NATIVE_LPSTR:
7123 mono_mb_emit_icall (mb, mono_string_utf8_to_builder2);
7126 g_assert_not_reached ();
7129 mono_mb_emit_byte (mb, CEE_STIND_REF);
7131 mono_mb_emit_ldarg (mb, argnum);
7132 mono_mb_emit_ldloc (mb, conv_arg);
7134 mono_mb_emit_icall (mb, conv_to_icall (conv));
7138 mono_mb_emit_ldloc (mb, conv_arg);
7139 mono_mb_emit_icall (mb, mono_marshal_free);
7144 if (klass->delegate) {
7146 mono_mb_emit_ldarg (mb, argnum);
7147 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
7148 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
7149 mono_mb_emit_ldloc (mb, conv_arg);
7150 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_FTN_DEL));
7151 mono_mb_emit_byte (mb, CEE_STIND_REF);
7156 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT)) {
7157 /* allocate a new object */
7158 mono_mb_emit_ldarg (mb, argnum);
7159 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
7160 mono_mb_emit_op (mb, CEE_MONO_NEWOBJ, klass);
7161 mono_mb_emit_byte (mb, CEE_STIND_REF);
7164 /* dst = *argument */
7165 mono_mb_emit_ldarg (mb, argnum);
7168 mono_mb_emit_byte (mb, CEE_LDIND_I);
7170 mono_mb_emit_stloc (mb, 1);
7172 mono_mb_emit_ldloc (mb, 1);
7173 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
7175 if (t->byref || (t->attrs & PARAM_ATTRIBUTE_OUT)) {
7176 mono_mb_emit_ldloc (mb, 1);
7177 mono_mb_emit_icon (mb, sizeof (MonoObject));
7178 mono_mb_emit_byte (mb, CEE_ADD);
7179 mono_mb_emit_stloc (mb, 1);
7181 /* src = tmp_locals [i] */
7182 mono_mb_emit_ldloc (mb, conv_arg);
7183 mono_mb_emit_stloc (mb, 0);
7185 /* emit valuetype conversion code */
7186 emit_struct_conv (mb, klass, TRUE);
7188 /* Free the structure returned by the native code */
7189 emit_struct_free (mb, klass, conv_arg);
7191 if (m->orig_conv_args [argnum]) {
7193 * If the native function changed the pointer, then free
7194 * the original structure plus the new pointer.
7196 mono_mb_emit_ldloc (mb, m->orig_conv_args [argnum]);
7197 mono_mb_emit_ldloc (mb, conv_arg);
7198 pos2 = mono_mb_emit_branch (mb, CEE_BEQ);
7200 if (!(t->attrs & PARAM_ATTRIBUTE_OUT)) {
7201 g_assert (m->orig_conv_args [argnum]);
7203 emit_struct_free (mb, klass, m->orig_conv_args [argnum]);
7206 mono_mb_emit_ldloc (mb, conv_arg);
7207 mono_mb_emit_icall (mb, mono_marshal_free);
7209 mono_mb_patch_branch (mb, pos2);
7213 /* Free the original structure passed to native code */
7214 emit_struct_free (mb, klass, conv_arg);
7216 mono_mb_patch_branch (mb, pos);
7219 case MARSHAL_ACTION_PUSH:
7221 mono_mb_emit_ldloc_addr (mb, conv_arg);
7223 mono_mb_emit_ldloc (mb, conv_arg);
7226 case MARSHAL_ACTION_CONV_RESULT:
7227 if (klass->delegate) {
7228 g_assert (!t->byref);
7229 mono_mb_emit_stloc (mb, 0);
7230 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
7231 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
7232 mono_mb_emit_ldloc (mb, 0);
7233 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_FTN_DEL));
7234 mono_mb_emit_stloc (mb, 3);
7237 mono_mb_emit_stloc (mb, 0);
7239 /* Make a copy since emit_conv modifies local 0 */
7240 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7241 mono_mb_emit_ldloc (mb, 0);
7242 mono_mb_emit_stloc (mb, loc);
7244 mono_mb_emit_byte (mb, CEE_LDNULL);
7245 mono_mb_emit_stloc (mb, 3);
7247 mono_mb_emit_ldloc (mb, 0);
7248 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
7250 /* allocate result object */
7252 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
7253 mono_mb_emit_op (mb, CEE_MONO_NEWOBJ, klass);
7254 mono_mb_emit_stloc (mb, 3);
7258 mono_mb_emit_ldloc (mb, 3);
7259 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
7260 mono_mb_emit_stloc (mb, 1);
7262 /* emit conversion code */
7263 emit_struct_conv (mb, klass, TRUE);
7265 emit_struct_free (mb, klass, loc);
7267 /* Free the pointer allocated by unmanaged code */
7268 mono_mb_emit_ldloc (mb, loc);
7269 mono_mb_emit_icall (mb, mono_marshal_free);
7270 mono_mb_patch_branch (mb, pos);
7274 case MARSHAL_ACTION_MANAGED_CONV_IN:
7275 conv_arg = mono_mb_add_local (mb, &klass->byval_arg);
7277 if (klass->delegate) {
7278 g_assert (!t->byref);
7279 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
7280 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
7281 mono_mb_emit_ldarg (mb, argnum);
7282 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_FTN_DEL));
7283 mono_mb_emit_stloc (mb, conv_arg);
7287 if (klass == mono_defaults.stringbuilder_class) {
7288 MonoMarshalNative encoding;
7290 encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
7293 g_assert (encoding == MONO_NATIVE_LPSTR);
7295 g_assert (!t->byref);
7296 g_assert (encoding != -1);
7298 mono_mb_emit_ldarg (mb, argnum);
7299 mono_mb_emit_icall (mb, mono_string_utf8_to_builder2);
7300 mono_mb_emit_stloc (mb, conv_arg);
7304 /* The class can not have an automatic layout */
7305 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
7306 mono_mb_emit_auto_layout_exception (mb, klass);
7310 if (t->attrs & PARAM_ATTRIBUTE_OUT) {
7311 mono_mb_emit_byte (mb, CEE_LDNULL);
7312 mono_mb_emit_stloc (mb, conv_arg);
7317 mono_mb_emit_ldarg (mb, argnum);
7321 /* Check for NULL and raise an exception */
7322 pos2 = mono_mb_emit_branch (mb, CEE_BRTRUE);
7324 mono_mb_emit_exception (mb, "ArgumentNullException", NULL);
7326 mono_mb_patch_branch (mb, pos2);
7327 mono_mb_emit_ldarg (mb, argnum);
7328 mono_mb_emit_byte (mb, CEE_LDIND_I);
7331 mono_mb_emit_stloc (mb, 0);
7333 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7334 mono_mb_emit_stloc (mb, conv_arg);
7336 mono_mb_emit_ldloc (mb, 0);
7337 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
7339 /* Create and set dst */
7340 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
7341 mono_mb_emit_op (mb, CEE_MONO_NEWOBJ, klass);
7342 mono_mb_emit_stloc (mb, conv_arg);
7343 mono_mb_emit_ldloc (mb, conv_arg);
7344 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
7345 mono_mb_emit_stloc (mb, 1);
7347 /* emit valuetype conversion code */
7348 emit_struct_conv (mb, klass, TRUE);
7350 mono_mb_patch_branch (mb, pos);
7353 case MARSHAL_ACTION_MANAGED_CONV_OUT:
7355 /* Check for null */
7356 mono_mb_emit_ldloc (mb, conv_arg);
7357 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
7358 mono_mb_emit_ldarg (mb, argnum);
7359 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7360 mono_mb_emit_byte (mb, CEE_STIND_REF);
7361 pos2 = mono_mb_emit_branch (mb, CEE_BR);
7363 mono_mb_patch_branch (mb, pos);
7366 mono_mb_emit_ldloc (mb, conv_arg);
7367 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
7368 mono_mb_emit_stloc (mb, 0);
7370 /* Allocate and set dest */
7371 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
7372 mono_mb_emit_byte (mb, CEE_CONV_I);
7373 mono_mb_emit_icall (mb, mono_marshal_alloc);
7374 mono_mb_emit_stloc (mb, 1);
7376 /* Update argument pointer */
7377 mono_mb_emit_ldarg (mb, argnum);
7378 mono_mb_emit_ldloc (mb, 1);
7379 mono_mb_emit_byte (mb, CEE_STIND_I);
7381 /* emit valuetype conversion code */
7382 emit_struct_conv (mb, klass, FALSE);
7384 mono_mb_patch_branch (mb, pos2);
7386 /* byval [Out] marshalling */
7388 /* FIXME: Handle null */
7391 mono_mb_emit_ldloc (mb, conv_arg);
7392 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
7393 mono_mb_emit_stloc (mb, 0);
7396 mono_mb_emit_ldarg (mb, argnum);
7397 mono_mb_emit_stloc (mb, 1);
7399 /* emit valuetype conversion code */
7400 emit_struct_conv (mb, klass, FALSE);
7404 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
7405 if (klass->delegate) {
7406 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_DEL_FTN));
7407 mono_mb_emit_stloc (mb, 3);
7411 /* The class can not have an automatic layout */
7412 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
7413 mono_mb_emit_auto_layout_exception (mb, klass);
7417 mono_mb_emit_stloc (mb, 0);
7418 /* Check for null */
7419 mono_mb_emit_ldloc (mb, 0);
7420 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
7421 mono_mb_emit_byte (mb, CEE_LDNULL);
7422 mono_mb_emit_stloc (mb, 3);
7423 pos2 = mono_mb_emit_branch (mb, CEE_BR);
7425 mono_mb_patch_branch (mb, pos);
7428 mono_mb_emit_ldloc (mb, 0);
7429 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
7430 mono_mb_emit_stloc (mb, 0);
7432 /* Allocate and set dest */
7433 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
7434 mono_mb_emit_byte (mb, CEE_CONV_I);
7435 mono_mb_emit_icall (mb, mono_marshal_alloc);
7436 mono_mb_emit_byte (mb, CEE_DUP);
7437 mono_mb_emit_stloc (mb, 1);
7438 mono_mb_emit_stloc (mb, 3);
7440 emit_struct_conv (mb, klass, FALSE);
7442 mono_mb_patch_branch (mb, pos2);
7446 g_assert_not_reached ();
7457 emit_marshal_variant (EmitMarshalContext *m, int argnum, MonoType *t,
7458 MonoMarshalSpec *spec,
7459 int conv_arg, MonoType **conv_arg_type,
7460 MarshalAction action)
7462 MonoMethodBuilder *mb = m->mb;
7463 static MonoMethod *get_object_for_native_variant = NULL;
7464 static MonoMethod *get_native_variant_for_object = NULL;
7466 if (!get_object_for_native_variant)
7467 get_object_for_native_variant = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetObjectForNativeVariant", 1);
7468 g_assert (get_object_for_native_variant);
7470 if (!get_native_variant_for_object)
7471 get_native_variant_for_object = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetNativeVariantForObject", 2);
7472 g_assert (get_native_variant_for_object);
7475 case MARSHAL_ACTION_CONV_IN: {
7476 conv_arg = mono_mb_add_local (mb, &mono_class_get_variant_class ()->byval_arg);
7479 *conv_arg_type = &mono_class_get_variant_class ()->this_arg;
7481 *conv_arg_type = &mono_class_get_variant_class ()->byval_arg;
7483 if (t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && t->attrs & PARAM_ATTRIBUTE_OUT)
7486 mono_mb_emit_ldarg (mb, argnum);
7488 mono_mb_emit_byte(mb, CEE_LDIND_REF);
7489 mono_mb_emit_ldloc_addr (mb, conv_arg);
7490 mono_mb_emit_managed_call (mb, get_native_variant_for_object, NULL);
7494 case MARSHAL_ACTION_CONV_OUT: {
7495 static MonoMethod *variant_clear = NULL;
7498 variant_clear = mono_class_get_method_from_name (mono_class_get_variant_class (), "Clear", 0);
7499 g_assert (variant_clear);
7502 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT || !(t->attrs & PARAM_ATTRIBUTE_IN))) {
7503 mono_mb_emit_ldarg (mb, argnum);
7504 mono_mb_emit_ldloc_addr (mb, conv_arg);
7505 mono_mb_emit_managed_call (mb, get_object_for_native_variant, NULL);
7506 mono_mb_emit_byte (mb, CEE_STIND_REF);
7509 mono_mb_emit_ldloc_addr (mb, conv_arg);
7510 mono_mb_emit_managed_call (mb, variant_clear, NULL);
7514 case MARSHAL_ACTION_PUSH:
7516 mono_mb_emit_ldloc_addr (mb, conv_arg);
7518 mono_mb_emit_ldloc (mb, conv_arg);
7521 case MARSHAL_ACTION_CONV_RESULT: {
7522 char *msg = g_strdup ("Marshalling of VARIANT not supported as a return type.");
7523 mono_mb_emit_exception_marshal_directive (mb, msg);
7527 case MARSHAL_ACTION_MANAGED_CONV_IN: {
7528 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
7531 *conv_arg_type = &mono_class_get_variant_class ()->this_arg;
7533 *conv_arg_type = &mono_class_get_variant_class ()->byval_arg;
7535 if (t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && t->attrs & PARAM_ATTRIBUTE_OUT)
7539 mono_mb_emit_ldarg (mb, argnum);
7541 mono_mb_emit_ldarg_addr (mb, argnum);
7542 mono_mb_emit_managed_call (mb, get_object_for_native_variant, NULL);
7543 mono_mb_emit_stloc (mb, conv_arg);
7547 case MARSHAL_ACTION_MANAGED_CONV_OUT: {
7548 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT || !(t->attrs & PARAM_ATTRIBUTE_IN))) {
7549 mono_mb_emit_ldloc (mb, conv_arg);
7550 mono_mb_emit_ldarg (mb, argnum);
7551 mono_mb_emit_managed_call (mb, get_native_variant_for_object, NULL);
7556 case MARSHAL_ACTION_MANAGED_CONV_RESULT: {
7557 char *msg = g_strdup ("Marshalling of VARIANT not supported as a return type.");
7558 mono_mb_emit_exception_marshal_directive (mb, msg);
7563 g_assert_not_reached ();
7569 #endif /* DISABLE_COM */
7570 #endif /* DISABLE_JIT */
7573 mono_pinvoke_is_unicode (MonoMethodPInvoke *piinfo)
7575 switch (piinfo->piflags & PINVOKE_ATTRIBUTE_CHAR_SET_MASK) {
7576 case PINVOKE_ATTRIBUTE_CHAR_SET_ANSI:
7578 case PINVOKE_ATTRIBUTE_CHAR_SET_UNICODE:
7580 case PINVOKE_ATTRIBUTE_CHAR_SET_AUTO:
7592 emit_marshal_array (EmitMarshalContext *m, int argnum, MonoType *t,
7593 MonoMarshalSpec *spec,
7594 int conv_arg, MonoType **conv_arg_type,
7595 MarshalAction action)
7599 case MARSHAL_ACTION_CONV_IN:
7600 *conv_arg_type = &mono_defaults.object_class->byval_arg;
7602 case MARSHAL_ACTION_MANAGED_CONV_IN:
7603 *conv_arg_type = &mono_defaults.int_class->byval_arg;
7607 MonoMethodBuilder *mb = m->mb;
7608 MonoClass *klass = mono_class_from_mono_type (t);
7609 gboolean need_convert, need_free;
7610 MonoMarshalNative encoding;
7612 encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
7615 case MARSHAL_ACTION_CONV_IN:
7616 *conv_arg_type = &mono_defaults.object_class->byval_arg;
7617 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
7619 if (klass->element_class->blittable) {
7620 mono_mb_emit_ldarg (mb, argnum);
7622 mono_mb_emit_byte (mb, CEE_LDIND_I);
7623 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_ARRAY_LPARRAY));
7624 mono_mb_emit_stloc (mb, conv_arg);
7627 guint32 label1, label2, label3;
7628 int index_var, src_var, dest_ptr, esize;
7629 MonoMarshalConv conv;
7630 gboolean is_string = FALSE;
7632 dest_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7634 eklass = klass->element_class;
7636 if (eklass == mono_defaults.string_class) {
7638 conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
7640 else if (eklass == mono_defaults.stringbuilder_class) {
7642 conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
7647 if (is_string && conv == -1) {
7648 char *msg = g_strdup_printf ("string/stringbuilder marshalling conversion %d not implemented", encoding);
7649 mono_mb_emit_exception_marshal_directive (mb, msg);
7653 src_var = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
7654 mono_mb_emit_ldarg (mb, argnum);
7656 mono_mb_emit_byte (mb, CEE_LDIND_I);
7657 mono_mb_emit_stloc (mb, src_var);
7660 mono_mb_emit_ldloc (mb, src_var);
7661 mono_mb_emit_stloc (mb, conv_arg);
7662 mono_mb_emit_ldloc (mb, src_var);
7663 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
7666 esize = sizeof (gpointer);
7667 else if (eklass == mono_defaults.char_class) /*can't call mono_marshal_type_size since it causes all sorts of asserts*/
7668 esize = mono_pinvoke_is_unicode (m->piinfo) ? 2 : 1;
7670 esize = mono_class_native_size (eklass, NULL);
7672 /* allocate space for the native struct and store the address */
7673 mono_mb_emit_icon (mb, esize);
7674 mono_mb_emit_ldloc (mb, src_var);
7675 mono_mb_emit_byte (mb, CEE_LDLEN);
7677 if (eklass == mono_defaults.string_class) {
7678 /* Make the array bigger for the terminating null */
7679 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
7680 mono_mb_emit_byte (mb, CEE_ADD);
7682 mono_mb_emit_byte (mb, CEE_MUL);
7683 mono_mb_emit_byte (mb, CEE_PREFIX1);
7684 mono_mb_emit_byte (mb, CEE_LOCALLOC);
7685 mono_mb_emit_stloc (mb, conv_arg);
7687 mono_mb_emit_ldloc (mb, conv_arg);
7688 mono_mb_emit_stloc (mb, dest_ptr);
7690 /* Emit marshalling loop */
7691 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7692 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7693 mono_mb_emit_stloc (mb, index_var);
7694 label2 = mono_mb_get_label (mb);
7695 mono_mb_emit_ldloc (mb, index_var);
7696 mono_mb_emit_ldloc (mb, src_var);
7697 mono_mb_emit_byte (mb, CEE_LDLEN);
7698 label3 = mono_mb_emit_branch (mb, CEE_BGE);
7700 /* Emit marshalling code */
7703 mono_mb_emit_ldloc (mb, dest_ptr);
7704 mono_mb_emit_ldloc (mb, src_var);
7705 mono_mb_emit_ldloc (mb, index_var);
7706 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
7707 mono_mb_emit_icall (mb, conv_to_icall (conv));
7708 mono_mb_emit_byte (mb, CEE_STIND_I);
7710 /* set the src_ptr */
7711 mono_mb_emit_ldloc (mb, src_var);
7712 mono_mb_emit_ldloc (mb, index_var);
7713 mono_mb_emit_op (mb, CEE_LDELEMA, eklass);
7714 mono_mb_emit_stloc (mb, 0);
7717 mono_mb_emit_ldloc (mb, dest_ptr);
7718 mono_mb_emit_stloc (mb, 1);
7720 /* emit valuetype conversion code */
7721 emit_struct_conv_full (mb, eklass, FALSE, eklass == mono_defaults.char_class ? encoding : -1);
7724 mono_mb_emit_add_to_local (mb, index_var, 1);
7725 mono_mb_emit_add_to_local (mb, dest_ptr, esize);
7727 mono_mb_emit_branch_label (mb, CEE_BR, label2);
7729 mono_mb_patch_branch (mb, label3);
7731 if (eklass == mono_defaults.string_class) {
7732 /* Null terminate */
7733 mono_mb_emit_ldloc (mb, dest_ptr);
7734 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7735 mono_mb_emit_byte (mb, CEE_STIND_REF);
7738 mono_mb_patch_branch (mb, label1);
7743 case MARSHAL_ACTION_CONV_OUT:
7744 /* Unicode character arrays are implicitly marshalled as [Out] under MS.NET */
7745 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);
7746 need_free = mono_marshal_need_free (&klass->element_class->byval_arg,
7749 if (need_convert || need_free) {
7750 /* FIXME: Optimize blittable case */
7752 guint32 label1, label2, label3;
7753 int index_var, src_ptr, loc, esize;
7755 eklass = klass->element_class;
7756 if ((eklass == mono_defaults.stringbuilder_class) || (eklass == mono_defaults.string_class))
7757 esize = sizeof (gpointer);
7758 else if (eklass == mono_defaults.char_class)
7759 esize = mono_pinvoke_is_unicode (m->piinfo) ? 2 : 1;
7761 esize = mono_class_native_size (eklass, NULL);
7762 src_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7763 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7766 mono_mb_emit_ldarg (mb, argnum);
7768 mono_mb_emit_byte (mb, CEE_LDIND_I);
7769 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
7771 mono_mb_emit_ldloc (mb, conv_arg);
7772 mono_mb_emit_stloc (mb, src_ptr);
7774 /* Emit marshalling loop */
7775 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7776 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7777 mono_mb_emit_stloc (mb, index_var);
7778 label2 = mono_mb_get_label (mb);
7779 mono_mb_emit_ldloc (mb, index_var);
7780 mono_mb_emit_ldarg (mb, argnum);
7782 mono_mb_emit_byte (mb, CEE_LDIND_REF);
7783 mono_mb_emit_byte (mb, CEE_LDLEN);
7784 label3 = mono_mb_emit_branch (mb, CEE_BGE);
7786 /* Emit marshalling code */
7788 if (eklass == mono_defaults.stringbuilder_class) {
7789 gboolean need_free2;
7790 MonoMarshalConv conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free2);
7792 g_assert (conv != -1);
7795 mono_mb_emit_ldarg (mb, argnum);
7797 mono_mb_emit_byte (mb, CEE_LDIND_I);
7798 mono_mb_emit_ldloc (mb, index_var);
7799 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
7802 mono_mb_emit_ldloc (mb, src_ptr);
7803 mono_mb_emit_byte (mb, CEE_LDIND_I);
7805 mono_mb_emit_icall (mb, conv_to_icall (conv));
7809 mono_mb_emit_ldloc (mb, src_ptr);
7810 mono_mb_emit_byte (mb, CEE_LDIND_I);
7812 mono_mb_emit_icall (mb, mono_marshal_free);
7815 else if (eklass == mono_defaults.string_class) {
7818 mono_mb_emit_ldloc (mb, src_ptr);
7819 mono_mb_emit_byte (mb, CEE_LDIND_I);
7821 mono_mb_emit_icall (mb, mono_marshal_free);
7826 /* set the src_ptr */
7827 mono_mb_emit_ldloc (mb, src_ptr);
7828 mono_mb_emit_stloc (mb, 0);
7831 mono_mb_emit_ldarg (mb, argnum);
7833 mono_mb_emit_byte (mb, CEE_LDIND_REF);
7834 mono_mb_emit_ldloc (mb, index_var);
7835 mono_mb_emit_op (mb, CEE_LDELEMA, eklass);
7836 mono_mb_emit_stloc (mb, 1);
7838 /* emit valuetype conversion code */
7839 emit_struct_conv_full (mb, eklass, TRUE, eklass == mono_defaults.char_class ? encoding : -1);
7843 mono_mb_emit_ldloc (mb, src_ptr);
7844 mono_mb_emit_stloc (mb, loc);
7845 mono_mb_emit_ldloc (mb, loc);
7847 emit_struct_free (mb, eklass, loc);
7851 mono_mb_emit_add_to_local (mb, index_var, 1);
7852 mono_mb_emit_add_to_local (mb, src_ptr, esize);
7854 mono_mb_emit_branch_label (mb, CEE_BR, label2);
7856 mono_mb_patch_branch (mb, label1);
7857 mono_mb_patch_branch (mb, label3);
7860 if (klass->element_class->blittable) {
7861 /* free memory allocated (if any) by MONO_MARSHAL_CONV_ARRAY_LPARRAY */
7863 mono_mb_emit_ldarg (mb, argnum);
7864 mono_mb_emit_ldloc (mb, conv_arg);
7865 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_FREE_LPARRAY));
7870 case MARSHAL_ACTION_PUSH:
7872 mono_mb_emit_ldloc_addr (mb, conv_arg);
7874 mono_mb_emit_ldloc (mb, conv_arg);
7877 case MARSHAL_ACTION_CONV_RESULT:
7878 /* fixme: we need conversions here */
7879 mono_mb_emit_stloc (mb, 3);
7882 case MARSHAL_ACTION_MANAGED_CONV_IN: {
7884 guint32 label1, label2, label3;
7885 int index_var, src_ptr, loc, esize, param_num, num_elem;
7886 MonoMarshalConv conv;
7887 gboolean is_string = FALSE;
7889 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
7890 *conv_arg_type = &mono_defaults.int_class->byval_arg;
7893 char *msg = g_strdup ("Byref array marshalling to managed code is not implemented.");
7894 mono_mb_emit_exception_marshal_directive (mb, msg);
7898 char *msg = g_strdup ("[MarshalAs] attribute required to marshal arrays to managed code.");
7899 mono_mb_emit_exception_marshal_directive (mb, msg);
7902 if (spec->native != MONO_NATIVE_LPARRAY) {
7903 char *msg = g_strdup ("Non LPArray marshalling of arrays to managed code is not implemented.");
7904 mono_mb_emit_exception_marshal_directive (mb, msg);
7908 /* FIXME: t is from the method which is wrapped, not the delegate type */
7909 /* g_assert (t->attrs & PARAM_ATTRIBUTE_IN); */
7911 param_num = spec->data.array_data.param_num;
7912 num_elem = spec->data.array_data.num_elem;
7913 if (spec->data.array_data.elem_mult == 0)
7914 /* param_num is not specified */
7917 if (param_num == -1) {
7918 if (num_elem <= 0) {
7919 char *msg = g_strdup ("Either SizeConst or SizeParamIndex should be specified when marshalling arrays to managed code.");
7920 mono_mb_emit_exception_marshal_directive (mb, msg);
7925 /* FIXME: Optimize blittable case */
7927 eklass = klass->element_class;
7928 if (eklass == mono_defaults.string_class) {
7930 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
7932 else if (eklass == mono_defaults.stringbuilder_class) {
7934 conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free);
7939 mono_marshal_load_type_info (eklass);
7942 esize = sizeof (gpointer);
7944 esize = mono_class_native_size (eklass, NULL);
7945 src_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7946 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7948 mono_mb_emit_byte (mb, CEE_LDNULL);
7949 mono_mb_emit_stloc (mb, conv_arg);
7951 /* Check param index */
7952 if (param_num != -1) {
7953 if (param_num >= m->sig->param_count) {
7954 char *msg = g_strdup ("Array size control parameter index is out of range.");
7955 mono_mb_emit_exception_marshal_directive (mb, msg);
7958 switch (m->sig->params [param_num]->type) {
7971 char *msg = g_strdup ("Array size control parameter must be an integral type.");
7972 mono_mb_emit_exception_marshal_directive (mb, msg);
7979 mono_mb_emit_ldarg (mb, argnum);
7980 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
7982 mono_mb_emit_ldarg (mb, argnum);
7983 mono_mb_emit_stloc (mb, src_ptr);
7985 /* Create managed array */
7987 * The LPArray marshalling spec says that sometimes param_num starts
7988 * from 1, sometimes it starts from 0. But MS seems to allways start
7992 if (param_num == -1) {
7993 mono_mb_emit_icon (mb, num_elem);
7995 mono_mb_emit_ldarg (mb, param_num);
7997 mono_mb_emit_icon (mb, num_elem);
7998 mono_mb_emit_byte (mb, CEE_ADD);
8000 mono_mb_emit_byte (mb, CEE_CONV_OVF_I);
8003 mono_mb_emit_op (mb, CEE_NEWARR, eklass);
8004 mono_mb_emit_stloc (mb, conv_arg);
8006 if (eklass->blittable) {
8007 mono_mb_emit_ldloc (mb, conv_arg);
8008 mono_mb_emit_byte (mb, CEE_CONV_I);
8009 mono_mb_emit_icon (mb, MONO_STRUCT_OFFSET (MonoArray, vector));
8010 mono_mb_emit_byte (mb, CEE_ADD);
8011 mono_mb_emit_ldarg (mb, argnum);
8012 mono_mb_emit_ldloc (mb, conv_arg);
8013 mono_mb_emit_byte (mb, CEE_LDLEN);
8014 mono_mb_emit_icon (mb, esize);
8015 mono_mb_emit_byte (mb, CEE_MUL);
8016 mono_mb_emit_byte (mb, CEE_PREFIX1);
8017 mono_mb_emit_byte (mb, CEE_CPBLK);
8021 /* Emit marshalling loop */
8022 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8023 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
8024 mono_mb_emit_stloc (mb, index_var);
8025 label2 = mono_mb_get_label (mb);
8026 mono_mb_emit_ldloc (mb, index_var);
8027 mono_mb_emit_ldloc (mb, conv_arg);
8028 mono_mb_emit_byte (mb, CEE_LDLEN);
8029 label3 = mono_mb_emit_branch (mb, CEE_BGE);
8031 /* Emit marshalling code */
8033 g_assert (conv != -1);
8035 mono_mb_emit_ldloc (mb, conv_arg);
8036 mono_mb_emit_ldloc (mb, index_var);
8038 mono_mb_emit_ldloc (mb, src_ptr);
8039 mono_mb_emit_byte (mb, CEE_LDIND_I);
8041 mono_mb_emit_icall (mb, conv_to_icall (conv));
8042 mono_mb_emit_byte (mb, CEE_STELEM_REF);
8045 char *msg = g_strdup ("Marshalling of non-string and non-blittable arrays to managed code is not implemented.");
8046 mono_mb_emit_exception_marshal_directive (mb, msg);
8050 mono_mb_emit_add_to_local (mb, index_var, 1);
8051 mono_mb_emit_add_to_local (mb, src_ptr, esize);
8053 mono_mb_emit_branch_label (mb, CEE_BR, label2);
8055 mono_mb_patch_branch (mb, label1);
8056 mono_mb_patch_branch (mb, label3);
8060 case MARSHAL_ACTION_MANAGED_CONV_OUT: {
8062 guint32 label1, label2, label3;
8063 int index_var, dest_ptr, loc, esize, param_num, num_elem;
8064 MonoMarshalConv conv;
8065 gboolean is_string = FALSE;
8068 /* Already handled in CONV_IN */
8071 /* These are already checked in CONV_IN */
8072 g_assert (!t->byref);
8073 g_assert (spec->native == MONO_NATIVE_LPARRAY);
8074 g_assert (t->attrs & PARAM_ATTRIBUTE_OUT);
8076 param_num = spec->data.array_data.param_num;
8077 num_elem = spec->data.array_data.num_elem;
8079 if (spec->data.array_data.elem_mult == 0)
8080 /* param_num is not specified */
8083 if (param_num == -1) {
8084 if (num_elem <= 0) {
8085 g_assert_not_reached ();
8089 /* FIXME: Optimize blittable case */
8091 eklass = klass->element_class;
8092 if (eklass == mono_defaults.string_class) {
8094 conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
8096 else if (eklass == mono_defaults.stringbuilder_class) {
8098 conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
8103 mono_marshal_load_type_info (eklass);
8106 esize = sizeof (gpointer);
8108 esize = mono_class_native_size (eklass, NULL);
8110 dest_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8111 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8114 mono_mb_emit_ldloc (mb, conv_arg);
8115 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
8117 mono_mb_emit_ldarg (mb, argnum);
8118 mono_mb_emit_stloc (mb, dest_ptr);
8120 if (eklass->blittable) {
8122 mono_mb_emit_ldarg (mb, argnum);
8124 mono_mb_emit_ldloc (mb, conv_arg);
8125 mono_mb_emit_byte (mb, CEE_CONV_I);
8126 mono_mb_emit_icon (mb, MONO_STRUCT_OFFSET (MonoArray, vector));
8127 mono_mb_emit_byte (mb, CEE_ADD);
8129 mono_mb_emit_ldloc (mb, conv_arg);
8130 mono_mb_emit_byte (mb, CEE_LDLEN);
8131 mono_mb_emit_icon (mb, esize);
8132 mono_mb_emit_byte (mb, CEE_MUL);
8133 mono_mb_emit_byte (mb, CEE_PREFIX1);
8134 mono_mb_emit_byte (mb, CEE_CPBLK);
8138 /* Emit marshalling loop */
8139 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8140 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
8141 mono_mb_emit_stloc (mb, index_var);
8142 label2 = mono_mb_get_label (mb);
8143 mono_mb_emit_ldloc (mb, index_var);
8144 mono_mb_emit_ldloc (mb, conv_arg);
8145 mono_mb_emit_byte (mb, CEE_LDLEN);
8146 label3 = mono_mb_emit_branch (mb, CEE_BGE);
8148 /* Emit marshalling code */
8150 g_assert (conv != -1);
8153 mono_mb_emit_ldloc (mb, dest_ptr);
8156 mono_mb_emit_ldloc (mb, conv_arg);
8157 mono_mb_emit_ldloc (mb, index_var);
8159 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
8161 mono_mb_emit_icall (mb, conv_to_icall (conv));
8162 mono_mb_emit_byte (mb, CEE_STIND_I);
8165 char *msg = g_strdup ("Marshalling of non-string and non-blittable arrays to managed code is not implemented.");
8166 mono_mb_emit_exception_marshal_directive (mb, msg);
8170 mono_mb_emit_add_to_local (mb, index_var, 1);
8171 mono_mb_emit_add_to_local (mb, dest_ptr, esize);
8173 mono_mb_emit_branch_label (mb, CEE_BR, label2);
8175 mono_mb_patch_branch (mb, label1);
8176 mono_mb_patch_branch (mb, label3);
8180 case MARSHAL_ACTION_MANAGED_CONV_RESULT: {
8182 guint32 label1, label2, label3;
8183 int index_var, src, dest, esize;
8184 MonoMarshalConv conv = -1;
8185 gboolean is_string = FALSE;
8187 g_assert (!t->byref);
8189 eklass = klass->element_class;
8191 mono_marshal_load_type_info (eklass);
8193 if (eklass == mono_defaults.string_class) {
8195 conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
8198 g_assert_not_reached ();
8202 esize = sizeof (gpointer);
8203 else if (eklass == mono_defaults.char_class)
8204 esize = mono_pinvoke_is_unicode (m->piinfo) ? 2 : 1;
8206 esize = mono_class_native_size (eklass, NULL);
8208 src = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
8209 dest = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8211 mono_mb_emit_stloc (mb, src);
8212 mono_mb_emit_ldloc (mb, src);
8213 mono_mb_emit_stloc (mb, 3);
8215 /* Check for null */
8216 mono_mb_emit_ldloc (mb, src);
8217 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
8219 /* Allocate native array */
8220 mono_mb_emit_icon (mb, esize);
8221 mono_mb_emit_ldloc (mb, src);
8222 mono_mb_emit_byte (mb, CEE_LDLEN);
8224 if (eklass == mono_defaults.string_class) {
8225 /* Make the array bigger for the terminating null */
8226 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
8227 mono_mb_emit_byte (mb, CEE_ADD);
8229 mono_mb_emit_byte (mb, CEE_MUL);
8230 mono_mb_emit_icall (mb, mono_marshal_alloc);
8231 mono_mb_emit_stloc (mb, dest);
8232 mono_mb_emit_ldloc (mb, dest);
8233 mono_mb_emit_stloc (mb, 3);
8235 /* Emit marshalling loop */
8236 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8237 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
8238 mono_mb_emit_stloc (mb, index_var);
8239 label2 = mono_mb_get_label (mb);
8240 mono_mb_emit_ldloc (mb, index_var);
8241 mono_mb_emit_ldloc (mb, src);
8242 mono_mb_emit_byte (mb, CEE_LDLEN);
8243 label3 = mono_mb_emit_branch (mb, CEE_BGE);
8245 /* Emit marshalling code */
8247 g_assert (conv != -1);
8250 mono_mb_emit_ldloc (mb, dest);
8253 mono_mb_emit_ldloc (mb, src);
8254 mono_mb_emit_ldloc (mb, index_var);
8256 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
8258 mono_mb_emit_icall (mb, conv_to_icall (conv));
8259 mono_mb_emit_byte (mb, CEE_STIND_I);
8262 char *msg = g_strdup ("Marshalling of non-string arrays to managed code is not implemented.");
8263 mono_mb_emit_exception_marshal_directive (mb, msg);
8267 mono_mb_emit_add_to_local (mb, index_var, 1);
8268 mono_mb_emit_add_to_local (mb, dest, esize);
8270 mono_mb_emit_branch_label (mb, CEE_BR, label2);
8272 mono_mb_patch_branch (mb, label3);
8273 mono_mb_patch_branch (mb, label1);
8277 g_assert_not_reached ();
8284 marshal_boolean_conv_in_get_local_type (MonoMarshalSpec *spec, guint8 *ldc_op /*out*/)
8287 return &mono_defaults.int32_class->byval_arg;
8289 switch (spec->native) {
8290 case MONO_NATIVE_I1:
8291 case MONO_NATIVE_U1:
8292 return &mono_defaults.byte_class->byval_arg;
8293 case MONO_NATIVE_VARIANTBOOL:
8294 if (ldc_op) *ldc_op = CEE_LDC_I4_M1;
8295 return &mono_defaults.int16_class->byval_arg;
8296 case MONO_NATIVE_BOOLEAN:
8297 return &mono_defaults.int32_class->byval_arg;
8299 g_warning ("marshalling bool as native type %x is currently not supported", spec->native);
8300 return &mono_defaults.int32_class->byval_arg;
8306 marshal_boolean_managed_conv_in_get_conv_arg_class (MonoMarshalSpec *spec, guint8 *ldop/*out*/)
8308 MonoClass* conv_arg_class = mono_defaults.int32_class;
8310 switch (spec->native) {
8311 case MONO_NATIVE_I1:
8312 case MONO_NATIVE_U1:
8313 conv_arg_class = mono_defaults.byte_class;
8314 if (ldop) *ldop = CEE_LDIND_I1;
8316 case MONO_NATIVE_VARIANTBOOL:
8317 conv_arg_class = mono_defaults.int16_class;
8318 if (ldop) *ldop = CEE_LDIND_I2;
8320 case MONO_NATIVE_BOOLEAN:
8323 g_warning ("marshalling bool as native type %x is currently not supported", spec->native);
8326 return conv_arg_class;
8330 emit_marshal_boolean (EmitMarshalContext *m, int argnum, MonoType *t,
8331 MonoMarshalSpec *spec,
8332 int conv_arg, MonoType **conv_arg_type,
8333 MarshalAction action)
8337 case MARSHAL_ACTION_CONV_IN:
8339 *conv_arg_type = &mono_defaults.int_class->byval_arg;
8341 *conv_arg_type = marshal_boolean_conv_in_get_local_type (spec, NULL);
8344 case MARSHAL_ACTION_MANAGED_CONV_IN: {
8345 MonoClass* conv_arg_class = marshal_boolean_managed_conv_in_get_conv_arg_class (spec, NULL);
8347 *conv_arg_type = &conv_arg_class->this_arg;
8349 *conv_arg_type = &conv_arg_class->byval_arg;
8355 MonoMethodBuilder *mb = m->mb;
8358 case MARSHAL_ACTION_CONV_IN: {
8359 MonoType *local_type;
8361 guint8 ldc_op = CEE_LDC_I4_1;
8363 local_type = marshal_boolean_conv_in_get_local_type (spec, &ldc_op);
8365 *conv_arg_type = &mono_defaults.int_class->byval_arg;
8367 *conv_arg_type = local_type;
8368 conv_arg = mono_mb_add_local (mb, local_type);
8370 mono_mb_emit_ldarg (mb, argnum);
8372 mono_mb_emit_byte (mb, CEE_LDIND_I1);
8373 label_false = mono_mb_emit_branch (mb, CEE_BRFALSE);
8374 mono_mb_emit_byte (mb, ldc_op);
8375 mono_mb_emit_stloc (mb, conv_arg);
8376 mono_mb_patch_branch (mb, label_false);
8381 case MARSHAL_ACTION_CONV_OUT:
8383 int label_false, label_end;
8387 mono_mb_emit_ldarg (mb, argnum);
8388 mono_mb_emit_ldloc (mb, conv_arg);
8390 label_false = mono_mb_emit_branch (mb, CEE_BRFALSE);
8391 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
8393 label_end = mono_mb_emit_branch (mb, CEE_BR);
8394 mono_mb_patch_branch (mb, label_false);
8395 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
8396 mono_mb_patch_branch (mb, label_end);
8398 mono_mb_emit_byte (mb, CEE_STIND_I1);
8402 case MARSHAL_ACTION_PUSH:
8404 mono_mb_emit_ldloc_addr (mb, conv_arg);
8406 mono_mb_emit_ldloc (mb, conv_arg);
8408 mono_mb_emit_ldarg (mb, argnum);
8411 case MARSHAL_ACTION_CONV_RESULT:
8412 /* maybe we need to make sure that it fits within 8 bits */
8413 mono_mb_emit_stloc (mb, 3);
8416 case MARSHAL_ACTION_MANAGED_CONV_IN: {
8417 MonoClass* conv_arg_class = mono_defaults.int32_class;
8418 guint8 ldop = CEE_LDIND_I4;
8419 int label_null, label_false;
8421 conv_arg_class = marshal_boolean_managed_conv_in_get_conv_arg_class (spec, &ldop);
8422 conv_arg = mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
8425 *conv_arg_type = &conv_arg_class->this_arg;
8427 *conv_arg_type = &conv_arg_class->byval_arg;
8430 mono_mb_emit_ldarg (mb, argnum);
8434 label_null = mono_mb_emit_branch (mb, CEE_BRFALSE);
8435 mono_mb_emit_ldarg (mb, argnum);
8436 mono_mb_emit_byte (mb, ldop);
8440 label_false = mono_mb_emit_branch (mb, CEE_BRFALSE);
8441 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
8442 mono_mb_emit_stloc (mb, conv_arg);
8443 mono_mb_patch_branch (mb, label_false);
8446 mono_mb_patch_branch (mb, label_null);
8450 case MARSHAL_ACTION_MANAGED_CONV_OUT: {
8451 guint8 stop = CEE_STIND_I4;
8452 guint8 ldc_op = CEE_LDC_I4_1;
8453 int label_null,label_false, label_end;;
8458 switch (spec->native) {
8459 case MONO_NATIVE_I1:
8460 case MONO_NATIVE_U1:
8461 stop = CEE_STIND_I1;
8463 case MONO_NATIVE_VARIANTBOOL:
8464 stop = CEE_STIND_I2;
8465 ldc_op = CEE_LDC_I4_M1;
8473 mono_mb_emit_ldarg (mb, argnum);
8474 label_null = mono_mb_emit_branch (mb, CEE_BRFALSE);
8476 mono_mb_emit_ldarg (mb, argnum);
8477 mono_mb_emit_ldloc (mb, conv_arg);
8479 label_false = mono_mb_emit_branch (mb, CEE_BRFALSE);
8480 mono_mb_emit_byte (mb, ldc_op);
8481 label_end = mono_mb_emit_branch (mb, CEE_BR);
8483 mono_mb_patch_branch (mb, label_false);
8484 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
8485 mono_mb_patch_branch (mb, label_end);
8487 mono_mb_emit_byte (mb, stop);
8488 mono_mb_patch_branch (mb, label_null);
8493 g_assert_not_reached ();
8500 emit_marshal_ptr (EmitMarshalContext *m, int argnum, MonoType *t,
8501 MonoMarshalSpec *spec, int conv_arg,
8502 MonoType **conv_arg_type, MarshalAction action)
8505 MonoMethodBuilder *mb = m->mb;
8508 case MARSHAL_ACTION_CONV_IN:
8509 /* MS seems to allow this in some cases, ie. bxc #158 */
8511 if (MONO_TYPE_ISSTRUCT (t->data.type) && !mono_class_from_mono_type (t->data.type)->blittable) {
8512 char *msg = g_strdup_printf ("Can not marshal 'parameter #%d': Pointers can not reference marshaled structures. Use byref instead.", argnum + 1);
8513 mono_mb_emit_exception_marshal_directive (m->mb, msg);
8518 case MARSHAL_ACTION_PUSH:
8519 mono_mb_emit_ldarg (mb, argnum);
8522 case MARSHAL_ACTION_CONV_RESULT:
8523 /* no conversions necessary */
8524 mono_mb_emit_stloc (mb, 3);
8535 emit_marshal_char (EmitMarshalContext *m, int argnum, MonoType *t,
8536 MonoMarshalSpec *spec, int conv_arg,
8537 MonoType **conv_arg_type, MarshalAction action)
8540 MonoMethodBuilder *mb = m->mb;
8543 case MARSHAL_ACTION_PUSH:
8544 /* fixme: dont know how to marshal that. We cant simply
8545 * convert it to a one byte UTF8 character, because an
8546 * unicode character may need more that one byte in UTF8 */
8547 mono_mb_emit_ldarg (mb, argnum);
8550 case MARSHAL_ACTION_CONV_RESULT:
8551 /* fixme: we need conversions here */
8552 mono_mb_emit_stloc (mb, 3);
8563 emit_marshal_scalar (EmitMarshalContext *m, int argnum, MonoType *t,
8564 MonoMarshalSpec *spec, int conv_arg,
8565 MonoType **conv_arg_type, MarshalAction action)
8568 MonoMethodBuilder *mb = m->mb;
8571 case MARSHAL_ACTION_PUSH:
8572 mono_mb_emit_ldarg (mb, argnum);
8575 case MARSHAL_ACTION_CONV_RESULT:
8576 /* no conversions necessary */
8577 mono_mb_emit_stloc (mb, 3);
8588 emit_marshal (EmitMarshalContext *m, int argnum, MonoType *t,
8589 MonoMarshalSpec *spec, int conv_arg,
8590 MonoType **conv_arg_type, MarshalAction action)
8592 /* Ensure that we have marshalling info for this param */
8593 mono_marshal_load_type_info (mono_class_from_mono_type (t));
8595 if (spec && spec->native == MONO_NATIVE_CUSTOM)
8596 return emit_marshal_custom (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8598 if (spec && spec->native == MONO_NATIVE_ASANY)
8599 return emit_marshal_asany (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8602 case MONO_TYPE_VALUETYPE:
8603 if (t->data.klass == mono_defaults.handleref_class)
8604 return emit_marshal_handleref (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8606 return emit_marshal_vtype (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8607 case MONO_TYPE_STRING:
8608 return emit_marshal_string (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8609 case MONO_TYPE_CLASS:
8610 case MONO_TYPE_OBJECT:
8612 if (spec && spec->native == MONO_NATIVE_STRUCT)
8613 return emit_marshal_variant (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8615 if (spec && (spec->native == MONO_NATIVE_IUNKNOWN ||
8616 spec->native == MONO_NATIVE_IDISPATCH ||
8617 spec->native == MONO_NATIVE_INTERFACE))
8618 return mono_cominterop_emit_marshal_com_interface (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8619 if (spec && (spec->native == MONO_NATIVE_SAFEARRAY) &&
8620 (spec->data.safearray_data.elem_type == MONO_VARIANT_VARIANT) &&
8621 ((action == MARSHAL_ACTION_CONV_OUT) || (action == MARSHAL_ACTION_CONV_IN) || (action == MARSHAL_ACTION_PUSH)))
8622 return mono_cominterop_emit_marshal_safearray (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8625 if (mono_defaults.safehandle_class != NULL && t->data.klass &&
8626 mono_class_is_subclass_of (t->data.klass, mono_defaults.safehandle_class, FALSE))
8627 return emit_marshal_safehandle (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8629 return emit_marshal_object (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8630 case MONO_TYPE_ARRAY:
8631 case MONO_TYPE_SZARRAY:
8632 return emit_marshal_array (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8633 case MONO_TYPE_BOOLEAN:
8634 return emit_marshal_boolean (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8636 return emit_marshal_ptr (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8637 case MONO_TYPE_CHAR:
8638 return emit_marshal_char (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8651 case MONO_TYPE_FNPTR:
8652 return emit_marshal_scalar (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8653 case MONO_TYPE_GENERICINST:
8654 if (mono_type_generic_inst_is_valuetype (t))
8655 return emit_marshal_vtype (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8657 return emit_marshal_object (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8664 * mono_marshal_emit_native_wrapper:
8665 * @image: the image to use for looking up custom marshallers
8666 * @sig: The signature of the native function
8667 * @piinfo: Marshalling information
8668 * @mspecs: Marshalling information
8669 * @aot: whenever the created method will be compiled by the AOT compiler
8670 * @method: if non-NULL, the pinvoke method to call
8671 * @check_exceptions: Whenever to check for pending exceptions after the native call
8672 * @func_param: the function to call is passed as a boxed IntPtr as the first parameter
8674 * generates IL code for the pinvoke wrapper, the generated code calls @func.
8677 mono_marshal_emit_native_wrapper (MonoImage *image, MonoMethodBuilder *mb, MonoMethodSignature *sig, MonoMethodPInvoke *piinfo, MonoMarshalSpec **mspecs, gpointer func, gboolean aot, gboolean check_exceptions, gboolean func_param)
8679 EmitMarshalContext m;
8680 MonoMethodSignature *csig;
8682 int i, argnum, *tmp_locals;
8683 int type, param_shift = 0;
8684 static MonoMethodSignature *get_last_error_sig = NULL;
8689 /* we copy the signature, so that we can set pinvoke to 0 */
8691 /* The function address is passed as the first argument */
8692 g_assert (!sig->hasthis);
8695 csig = signature_dup (mb->method->klass->image, sig);
8703 /* we allocate local for use with emit_struct_conv() */
8704 /* allocate local 0 (pointer) src_ptr */
8705 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8706 /* allocate local 1 (pointer) dst_ptr */
8707 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8708 /* allocate local 2 (boolean) delete_old */
8709 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
8711 /* delete_old = FALSE */
8712 mono_mb_emit_icon (mb, 0);
8713 mono_mb_emit_stloc (mb, 2);
8715 if (!MONO_TYPE_IS_VOID(sig->ret)) {
8716 /* allocate local 3 to store the return value */
8717 mono_mb_add_local (mb, sig->ret);
8720 if (mspecs [0] && mspecs [0]->native == MONO_NATIVE_CUSTOM) {
8721 /* Return type custom marshaling */
8723 * Since we can't determine the return type of the unmanaged function,
8724 * we assume it returns a pointer, and pass that pointer to
8725 * MarshalNativeToManaged.
8727 csig->ret = &mono_defaults.int_class->byval_arg;
8730 /* we first do all conversions */
8731 tmp_locals = alloca (sizeof (int) * sig->param_count);
8732 m.orig_conv_args = alloca (sizeof (int) * (sig->param_count + 1));
8734 for (i = 0; i < sig->param_count; i ++) {
8735 tmp_locals [i] = emit_marshal (&m, i + param_shift, sig->params [i], mspecs [i + 1], 0, &csig->params [i], MARSHAL_ACTION_CONV_IN);
8738 /* push all arguments */
8741 mono_mb_emit_byte (mb, CEE_LDARG_0);
8743 for (i = 0; i < sig->param_count; i++) {
8744 emit_marshal (&m, i + param_shift, sig->params [i], mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_PUSH);
8747 /* call the native method */
8749 mono_mb_emit_byte (mb, CEE_LDARG_0);
8750 mono_mb_emit_op (mb, CEE_UNBOX, mono_defaults.int_class);
8751 mono_mb_emit_byte (mb, CEE_LDIND_I);
8752 mono_mb_emit_calli (mb, csig);
8753 } else if (MONO_CLASS_IS_IMPORT (mb->method->klass)) {
8755 mono_mb_emit_cominterop_call (mb, csig, &piinfo->method);
8757 g_assert_not_reached ();
8762 /* Reuse the ICALL_ADDR opcode for pinvokes too */
8763 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
8764 mono_mb_emit_op (mb, CEE_MONO_ICALL_ADDR, &piinfo->method);
8765 mono_mb_emit_calli (mb, csig);
8767 mono_mb_emit_native_call (mb, csig, func);
8771 /* Set LastError if needed */
8772 if (piinfo->piflags & PINVOKE_ATTRIBUTE_SUPPORTS_LAST_ERROR) {
8773 if (!get_last_error_sig) {
8774 get_last_error_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
8775 get_last_error_sig->ret = &mono_defaults.int_class->byval_arg;
8776 get_last_error_sig->pinvoke = 1;
8781 * Have to call GetLastError () early and without a wrapper, since various runtime components could
8782 * clobber its value.
8784 mono_mb_emit_native_call (mb, get_last_error_sig, GetLastError);
8785 mono_mb_emit_icall (mb, mono_marshal_set_last_error_windows);
8787 mono_mb_emit_icall (mb, mono_marshal_set_last_error);
8791 /* convert the result */
8792 if (!sig->ret->byref) {
8793 MonoMarshalSpec *spec = mspecs [0];
8794 type = sig->ret->type;
8796 if (spec && spec->native == MONO_NATIVE_CUSTOM) {
8797 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
8802 case MONO_TYPE_VOID:
8804 case MONO_TYPE_VALUETYPE:
8805 klass = sig->ret->data.klass;
8806 if (klass->enumtype) {
8807 type = mono_class_enum_basetype (sig->ret->data.klass)->type;
8810 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
8824 case MONO_TYPE_FNPTR:
8825 case MONO_TYPE_STRING:
8826 case MONO_TYPE_CLASS:
8827 case MONO_TYPE_OBJECT:
8828 case MONO_TYPE_BOOLEAN:
8829 case MONO_TYPE_ARRAY:
8830 case MONO_TYPE_SZARRAY:
8831 case MONO_TYPE_CHAR:
8833 case MONO_TYPE_GENERICINST:
8834 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
8836 case MONO_TYPE_TYPEDBYREF:
8838 g_warning ("return type 0x%02x unknown", sig->ret->type);
8839 g_assert_not_reached ();
8843 mono_mb_emit_stloc (mb, 3);
8847 * Need to call this after converting the result since MONO_VTADDR needs
8848 * to be adjacent to the call instruction.
8850 if (check_exceptions)
8851 emit_thread_interrupt_checkpoint (mb);
8853 /* we need to convert byref arguments back and free string arrays */
8854 for (i = 0; i < sig->param_count; i++) {
8855 MonoType *t = sig->params [i];
8856 MonoMarshalSpec *spec = mspecs [i + 1];
8858 argnum = i + param_shift;
8860 if (spec && ((spec->native == MONO_NATIVE_CUSTOM) || (spec->native == MONO_NATIVE_ASANY))) {
8861 emit_marshal (&m, argnum, t, spec, tmp_locals [i], NULL, MARSHAL_ACTION_CONV_OUT);
8866 case MONO_TYPE_STRING:
8867 case MONO_TYPE_VALUETYPE:
8868 case MONO_TYPE_CLASS:
8869 case MONO_TYPE_OBJECT:
8870 case MONO_TYPE_SZARRAY:
8871 case MONO_TYPE_BOOLEAN:
8872 emit_marshal (&m, argnum, t, spec, tmp_locals [i], NULL, MARSHAL_ACTION_CONV_OUT);
8877 if (!MONO_TYPE_IS_VOID(sig->ret))
8878 mono_mb_emit_ldloc (mb, 3);
8880 mono_mb_emit_byte (mb, CEE_RET);
8882 #endif /* DISABLE_JIT */
8885 G_GNUC_UNUSED static void
8886 code_for (MonoMethod *method) {
8887 MonoMethodHeader *header = mono_method_get_header (method);
8888 printf ("CODE FOR %s: \n%s.\n", mono_method_full_name (method, TRUE), mono_disasm_code (0, method, header->code, header->code + header->code_size));
8892 * mono_marshal_get_native_wrapper:
8893 * @method: The MonoMethod to wrap.
8894 * @check_exceptions: Whenever to check for pending exceptions
8896 * generates IL code for the pinvoke wrapper (the generated method
8897 * calls the unmanaged code in piinfo->addr)
8898 * The wrapper info for the wrapper is a WrapperInfo structure.
8901 mono_marshal_get_native_wrapper (MonoMethod *method, gboolean check_exceptions, gboolean aot)
8903 MonoMethodSignature *sig, *csig;
8904 MonoMethodPInvoke *piinfo = (MonoMethodPInvoke *) method;
8905 MonoMethodBuilder *mb;
8906 MonoMarshalSpec **mspecs;
8909 gboolean pinvoke = FALSE;
8912 const char *exc_class = "MissingMethodException";
8913 const char *exc_arg = NULL;
8916 g_assert (method != NULL);
8917 g_assert (mono_method_signature (method)->pinvoke);
8920 cache = get_cache (&method->klass->image->native_wrapper_aot_cache, mono_aligned_addr_hash, NULL);
8922 cache = get_cache (&method->klass->image->native_wrapper_cache, mono_aligned_addr_hash, NULL);
8923 if ((res = mono_marshal_find_in_cache (cache, method)))
8926 if (MONO_CLASS_IS_IMPORT (method->klass)) {
8928 return mono_cominterop_get_native_wrapper (method);
8930 g_assert_not_reached ();
8934 sig = mono_method_signature (method);
8936 if (!(method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
8937 (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL))
8940 if (!piinfo->addr) {
8942 if (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)
8943 exc_arg = "Method contains unsupported native code";
8945 mono_lookup_pinvoke_call (method, &exc_class, &exc_arg);
8947 piinfo->addr = mono_lookup_internal_call (method);
8951 /* hack - redirect certain string constructors to CreateString */
8952 if (piinfo->addr == ves_icall_System_String_ctor_RedirectToCreateString) {
8953 g_assert (!pinvoke);
8954 g_assert (method->string_ctor);
8955 g_assert (sig->hasthis);
8957 /* CreateString returns a value */
8958 csig = signature_dup (method->klass->image, sig);
8959 csig->ret = &mono_defaults.string_class->byval_arg;
8963 while ((res = mono_class_get_methods (mono_defaults.string_class, &iter))) {
8964 if (!strcmp ("CreateString", res->name) &&
8965 mono_metadata_signature_equal (csig, mono_method_signature (res))) {
8968 g_assert (!(res->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL));
8969 g_assert (!(res->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL));
8971 /* create a wrapper to preserve .ctor in stack trace */
8972 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_MANAGED_TO_MANAGED);
8975 mono_mb_emit_byte (mb, CEE_LDARG_0);
8976 for (i = 1; i <= csig->param_count; i++)
8977 mono_mb_emit_ldarg (mb, i);
8978 mono_mb_emit_managed_call (mb, res, NULL);
8979 mono_mb_emit_byte (mb, CEE_RET);
8982 /* use native_wrapper_cache because internal calls are looked up there */
8983 res = mono_mb_create_and_cache (cache, method,
8984 mb, csig, csig->param_count + 1);
8988 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_STRING_CTOR);
8989 info->d.string_ctor.method = method;
8991 mono_marshal_set_wrapper_info (res, info);
8997 /* exception will be thrown */
8998 piinfo->addr = NULL;
8999 g_warning ("cannot find CreateString for .ctor");
9002 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_MANAGED_TO_NATIVE);
9004 mb->method->save_lmf = 1;
9007 * In AOT mode and embedding scenarios, it is possible that the icall is not
9008 * registered in the runtime doing the AOT compilation.
9010 if (!piinfo->addr && !aot) {
9012 mono_mb_emit_exception (mb, exc_class, exc_arg);
9014 csig = signature_dup (method->klass->image, sig);
9016 res = mono_mb_create_and_cache (cache, method,
9017 mb, csig, csig->param_count + 16);
9020 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_NONE);
9021 info->d.managed_to_native.method = method;
9022 mono_marshal_set_wrapper_info (res, info);
9027 /* internal calls: we simply push all arguments and call the method (no conversions) */
9028 if (method->iflags & (METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL | METHOD_IMPL_ATTRIBUTE_RUNTIME)) {
9030 csig = signature_dup_add_this (method->klass->image, sig, method->klass);
9032 csig = signature_dup (method->klass->image, sig);
9034 /* hack - string constructors returns a value */
9035 if (method->string_ctor)
9036 csig->ret = &mono_defaults.string_class->byval_arg;
9043 * Add a null check since public icalls can be called with 'call' which
9044 * does no such check.
9046 mono_mb_emit_byte (mb, CEE_LDARG_0);
9047 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
9048 mono_mb_emit_exception (mb, "NullReferenceException", NULL);
9049 mono_mb_patch_branch (mb, pos);
9051 mono_mb_emit_byte (mb, CEE_LDARG_0);
9054 for (i = 0; i < sig->param_count; i++)
9055 mono_mb_emit_ldarg (mb, i + sig->hasthis);
9058 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
9059 mono_mb_emit_op (mb, CEE_MONO_ICALL_ADDR, &piinfo->method);
9060 mono_mb_emit_calli (mb, csig);
9062 g_assert (piinfo->addr);
9063 mono_mb_emit_native_call (mb, csig, piinfo->addr);
9065 if (check_exceptions)
9066 emit_thread_interrupt_checkpoint (mb);
9067 mono_mb_emit_byte (mb, CEE_RET);
9070 csig = signature_dup (method->klass->image, csig);
9072 res = mono_mb_create_and_cache (cache, method,
9073 mb, csig, csig->param_count + 16);
9075 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_NONE);
9076 info->d.managed_to_native.method = method;
9077 mono_marshal_set_wrapper_info (res, info);
9085 g_assert (piinfo->addr);
9088 mspecs = g_new (MonoMarshalSpec*, sig->param_count + 1);
9089 mono_method_get_marshal_info (method, mspecs);
9091 mono_marshal_emit_native_wrapper (mb->method->klass->image, mb, sig, piinfo, mspecs, piinfo->addr, aot, check_exceptions, FALSE);
9094 csig = signature_dup (method->klass->image, sig);
9096 res = mono_mb_create_and_cache (cache, method,
9097 mb, csig, csig->param_count + 16);
9100 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_PINVOKE);
9101 info->d.managed_to_native.method = method;
9102 mono_marshal_set_wrapper_info (res, info);
9105 for (i = sig->param_count; i >= 0; i--)
9107 mono_metadata_free_marshal_spec (mspecs [i]);
9111 /* code_for (res); */
9117 * mono_marshal_get_native_func_wrapper:
9118 * @image: The image to use for memory allocation and for looking up custom marshallers.
9119 * @sig: The signature of the function
9120 * @func: The native function to wrap
9122 * Returns a wrapper method around native functions, similar to the pinvoke
9126 mono_marshal_get_native_func_wrapper (MonoImage *image, MonoMethodSignature *sig,
9127 MonoMethodPInvoke *piinfo, MonoMarshalSpec **mspecs, gpointer func)
9129 MonoMethodSignature *csig;
9131 MonoMethodBuilder *mb;
9136 cache = get_cache (&image->native_wrapper_cache, mono_aligned_addr_hash, NULL);
9137 if ((res = mono_marshal_find_in_cache (cache, func)))
9140 name = g_strdup_printf ("wrapper_native_%p", func);
9141 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_MANAGED_TO_NATIVE);
9142 mb->method->save_lmf = 1;
9145 mono_marshal_emit_native_wrapper (image, mb, sig, piinfo, mspecs, func, FALSE, TRUE, FALSE);
9148 csig = signature_dup (image, sig);
9150 res = mono_mb_create_and_cache (cache, func,
9151 mb, csig, csig->param_count + 16);
9154 mono_marshal_set_wrapper_info (res, NULL);
9160 * The wrapper receives the native function as a boxed IntPtr as its 'this' argument. This is easier to support in
9164 mono_marshal_get_native_func_wrapper_aot (MonoClass *klass)
9166 MonoMethodSignature *sig, *csig;
9167 MonoMethodBuilder *mb;
9172 MonoMethodPInvoke mpiinfo;
9173 MonoMethodPInvoke *piinfo = &mpiinfo;
9174 MonoMarshalSpec **mspecs;
9175 MonoMethod *invoke = mono_get_delegate_invoke (klass);
9176 MonoImage *image = invoke->klass->image;
9179 // FIXME: include UnmanagedFunctionPointerAttribute info
9182 * The wrapper is associated with the delegate type, to pick up the marshalling info etc.
9184 cache = get_cache (&image->native_func_wrapper_aot_cache, mono_aligned_addr_hash, NULL);
9185 if ((res = mono_marshal_find_in_cache (cache, invoke)))
9188 memset (&mpiinfo, 0, sizeof (mpiinfo));
9189 parse_unmanaged_function_pointer_attr (klass, &mpiinfo);
9191 mspecs = g_new0 (MonoMarshalSpec*, mono_method_signature (invoke)->param_count + 1);
9192 mono_method_get_marshal_info (invoke, mspecs);
9193 /* Freed below so don't alloc from mempool */
9194 sig = mono_metadata_signature_dup (mono_method_signature (invoke));
9197 name = g_strdup_printf ("wrapper_aot_native");
9198 mb = mono_mb_new (invoke->klass, name, MONO_WRAPPER_MANAGED_TO_NATIVE);
9199 mb->method->save_lmf = 1;
9202 mono_marshal_emit_native_wrapper (image, mb, sig, piinfo, mspecs, NULL, FALSE, TRUE, TRUE);
9205 g_assert (!sig->hasthis);
9206 csig = signature_dup_add_this (image, sig, mono_defaults.int_class);
9208 res = mono_mb_create_and_cache (cache, invoke,
9209 mb, csig, csig->param_count + 16);
9212 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_NATIVE_FUNC_AOT);
9213 info->d.managed_to_native.method = invoke;
9215 mono_marshal_set_wrapper_info (res, info);
9217 for (i = mono_method_signature (invoke)->param_count; i >= 0; i--)
9219 mono_metadata_free_marshal_spec (mspecs [i]);
9227 * mono_marshal_emit_managed_wrapper:
9229 * Emit the body of a native-to-managed wrapper. INVOKE_SIG is the signature of
9230 * the delegate which wraps the managed method to be called. For closed delegates,
9231 * it could have fewer parameters than the method it wraps.
9232 * THIS_LOC is the memory location where the target of the delegate is stored.
9235 mono_marshal_emit_managed_wrapper (MonoMethodBuilder *mb, MonoMethodSignature *invoke_sig, MonoMarshalSpec **mspecs, EmitMarshalContext* m, MonoMethod *method, uint32_t target_handle)
9238 MonoMethodSignature *sig, *csig;
9244 /* we first do all conversions */
9245 for (i = 0; i < sig->param_count; i ++) {
9246 MonoType *t = sig->params [i];
9249 case MONO_TYPE_OBJECT:
9250 case MONO_TYPE_CLASS:
9251 case MONO_TYPE_VALUETYPE:
9252 case MONO_TYPE_ARRAY:
9253 case MONO_TYPE_SZARRAY:
9254 case MONO_TYPE_STRING:
9255 case MONO_TYPE_BOOLEAN:
9256 emit_marshal (m, i, sig->params [i], mspecs [i + 1], 0, &csig->params [i], MARSHAL_ACTION_MANAGED_CONV_IN);
9260 if (!sig->ret->byref) {
9261 switch (sig->ret->type) {
9262 case MONO_TYPE_STRING:
9263 csig->ret = &mono_defaults.int_class->byval_arg;
9270 MonoMethodSignature *sig, *csig;
9272 gboolean closed = FALSE;
9277 /* allocate local 0 (pointer) src_ptr */
9278 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9279 /* allocate local 1 (pointer) dst_ptr */
9280 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9281 /* allocate local 2 (boolean) delete_old */
9282 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
9284 if (!sig->hasthis && sig->param_count != invoke_sig->param_count) {
9285 /* Closed delegate */
9286 g_assert (sig->param_count == invoke_sig->param_count + 1);
9288 /* Use a new signature without the first argument */
9289 sig = mono_metadata_signature_dup (sig);
9290 memmove (&sig->params [0], &sig->params [1], (sig->param_count - 1) * sizeof (MonoType*));
9291 sig->param_count --;
9294 if (!MONO_TYPE_IS_VOID(sig->ret)) {
9295 /* allocate local 3 to store the return value */
9296 mono_mb_add_local (mb, sig->ret);
9299 mono_mb_emit_icon (mb, 0);
9300 mono_mb_emit_stloc (mb, 2);
9303 * Might need to attach the thread to the JIT or change the
9304 * domain for the callback.
9306 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
9307 mono_mb_emit_byte (mb, CEE_MONO_JIT_ATTACH);
9309 /* we first do all conversions */
9310 tmp_locals = alloca (sizeof (int) * sig->param_count);
9311 for (i = 0; i < sig->param_count; i ++) {
9312 MonoType *t = sig->params [i];
9315 case MONO_TYPE_OBJECT:
9316 case MONO_TYPE_CLASS:
9317 case MONO_TYPE_VALUETYPE:
9318 case MONO_TYPE_ARRAY:
9319 case MONO_TYPE_SZARRAY:
9320 case MONO_TYPE_STRING:
9321 case MONO_TYPE_BOOLEAN:
9322 tmp_locals [i] = emit_marshal (m, i, sig->params [i], mspecs [i + 1], 0, &csig->params [i], MARSHAL_ACTION_MANAGED_CONV_IN);
9331 emit_thread_interrupt_checkpoint (mb);
9334 if (target_handle) {
9335 mono_mb_emit_icon (mb, (gint32)target_handle);
9336 mono_mb_emit_icall (mb, mono_gchandle_get_target);
9339 g_assert_not_reached ();
9341 } else if (closed) {
9342 mono_mb_emit_icon (mb, (gint32)target_handle);
9343 mono_mb_emit_icall (mb, mono_gchandle_get_target);
9346 for (i = 0; i < sig->param_count; i++) {
9347 MonoType *t = sig->params [i];
9349 if (tmp_locals [i]) {
9351 mono_mb_emit_ldloc_addr (mb, tmp_locals [i]);
9353 mono_mb_emit_ldloc (mb, tmp_locals [i]);
9356 mono_mb_emit_ldarg (mb, i);
9359 mono_mb_emit_managed_call (mb, method, NULL);
9361 if (mspecs [0] && mspecs [0]->native == MONO_NATIVE_CUSTOM) {
9362 emit_marshal (m, 0, sig->ret, mspecs [0], 0, NULL, MARSHAL_ACTION_MANAGED_CONV_RESULT);
9363 } else if (!sig->ret->byref) {
9364 switch (sig->ret->type) {
9365 case MONO_TYPE_VOID:
9367 case MONO_TYPE_BOOLEAN:
9370 case MONO_TYPE_CHAR:
9382 case MONO_TYPE_OBJECT:
9383 mono_mb_emit_stloc (mb, 3);
9385 case MONO_TYPE_STRING:
9386 csig->ret = &mono_defaults.int_class->byval_arg;
9387 emit_marshal (m, 0, sig->ret, mspecs [0], 0, NULL, MARSHAL_ACTION_MANAGED_CONV_RESULT);
9389 case MONO_TYPE_VALUETYPE:
9390 case MONO_TYPE_CLASS:
9391 case MONO_TYPE_SZARRAY:
9392 emit_marshal (m, 0, sig->ret, mspecs [0], 0, NULL, MARSHAL_ACTION_MANAGED_CONV_RESULT);
9395 g_warning ("return type 0x%02x unknown", sig->ret->type);
9396 g_assert_not_reached ();
9399 mono_mb_emit_stloc (mb, 3);
9402 /* Convert byref arguments back */
9403 for (i = 0; i < sig->param_count; i ++) {
9404 MonoType *t = sig->params [i];
9405 MonoMarshalSpec *spec = mspecs [i + 1];
9407 if (spec && spec->native == MONO_NATIVE_CUSTOM) {
9408 emit_marshal (m, i, t, mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_MANAGED_CONV_OUT);
9410 else if (t->byref) {
9412 case MONO_TYPE_CLASS:
9413 case MONO_TYPE_VALUETYPE:
9414 case MONO_TYPE_OBJECT:
9415 case MONO_TYPE_STRING:
9416 case MONO_TYPE_BOOLEAN:
9417 emit_marshal (m, i, t, mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_MANAGED_CONV_OUT);
9421 else if (invoke_sig->params [i]->attrs & PARAM_ATTRIBUTE_OUT) {
9422 /* The [Out] information is encoded in the delegate signature */
9424 case MONO_TYPE_SZARRAY:
9425 case MONO_TYPE_CLASS:
9426 case MONO_TYPE_VALUETYPE:
9427 emit_marshal (m, i, invoke_sig->params [i], mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_MANAGED_CONV_OUT);
9430 g_assert_not_reached ();
9435 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
9436 mono_mb_emit_byte (mb, CEE_MONO_JIT_DETACH);
9438 if (m->retobj_var) {
9439 mono_mb_emit_ldloc (mb, m->retobj_var);
9440 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
9441 mono_mb_emit_op (mb, CEE_MONO_RETOBJ, m->retobj_class);
9444 if (!MONO_TYPE_IS_VOID(sig->ret))
9445 mono_mb_emit_ldloc (mb, 3);
9446 mono_mb_emit_byte (mb, CEE_RET);
9455 mono_marshal_set_callconv_from_modopt (MonoMethod *method, MonoMethodSignature *csig)
9457 MonoMethodSignature *sig;
9462 * Under windows, delegates passed to native code must use the STDCALL
9463 * calling convention.
9465 csig->call_convention = MONO_CALL_STDCALL;
9468 sig = mono_method_signature (method);
9470 /* Change default calling convention if needed */
9471 /* Why is this a modopt ? */
9472 if (sig->ret && sig->ret->num_mods) {
9473 for (i = 0; i < sig->ret->num_mods; ++i) {
9474 MonoClass *cmod_class = mono_class_get (method->klass->image, sig->ret->modifiers [i].token);
9475 g_assert (cmod_class);
9476 if ((cmod_class->image == mono_defaults.corlib) && !strcmp (cmod_class->name_space, "System.Runtime.CompilerServices")) {
9477 if (!strcmp (cmod_class->name, "CallConvCdecl"))
9478 csig->call_convention = MONO_CALL_C;
9479 else if (!strcmp (cmod_class->name, "CallConvStdcall"))
9480 csig->call_convention = MONO_CALL_STDCALL;
9481 else if (!strcmp (cmod_class->name, "CallConvFastcall"))
9482 csig->call_convention = MONO_CALL_FASTCALL;
9483 else if (!strcmp (cmod_class->name, "CallConvThiscall"))
9484 csig->call_convention = MONO_CALL_THISCALL;
9491 * generates IL code to call managed methods from unmanaged code
9492 * If target_handle==0, the wrapper info will be a WrapperInfo structure.
9495 mono_marshal_get_managed_wrapper (MonoMethod *method, MonoClass *delegate_klass, uint32_t target_handle)
9497 static MonoClass *UnmanagedFunctionPointerAttribute;
9498 MonoMethodSignature *sig, *csig, *invoke_sig;
9499 MonoMethodBuilder *mb;
9500 MonoMethod *res, *invoke;
9501 MonoMarshalSpec **mspecs;
9502 MonoMethodPInvoke piinfo;
9505 EmitMarshalContext m;
9507 g_assert (method != NULL);
9508 g_assert (!mono_method_signature (method)->pinvoke);
9511 * FIXME: Should cache the method+delegate type pair, since the same method
9512 * could be called with different delegates, thus different marshalling
9515 cache = get_cache (&method->klass->image->managed_wrapper_cache, mono_aligned_addr_hash, NULL);
9516 if (!target_handle && (res = mono_marshal_find_in_cache (cache, method)))
9519 invoke = mono_get_delegate_invoke (delegate_klass);
9520 invoke_sig = mono_method_signature (invoke);
9522 mspecs = g_new0 (MonoMarshalSpec*, mono_method_signature (invoke)->param_count + 1);
9523 mono_method_get_marshal_info (invoke, mspecs);
9525 sig = mono_method_signature (method);
9527 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_NATIVE_TO_MANAGED);
9529 /*the target gchandle must be the first entry after size and the wrapper itself.*/
9530 mono_mb_add_data (mb, GUINT_TO_POINTER (target_handle));
9532 /* we copy the signature, so that we can modify it */
9534 /* Need to free this later */
9535 csig = mono_metadata_signature_dup (invoke_sig);
9537 csig = signature_dup (method->klass->image, invoke_sig);
9546 m.image = method->klass->image;
9548 mono_marshal_set_callconv_from_modopt (invoke, csig);
9550 /* Handle the UnmanagedFunctionPointerAttribute */
9551 if (!UnmanagedFunctionPointerAttribute)
9552 UnmanagedFunctionPointerAttribute = mono_class_from_name (mono_defaults.corlib, "System.Runtime.InteropServices", "UnmanagedFunctionPointerAttribute");
9554 /* The attribute is only available in Net 2.0 */
9555 if (UnmanagedFunctionPointerAttribute) {
9556 MonoCustomAttrInfo *cinfo;
9557 MonoCustomAttrEntry *attr;
9560 * The pinvoke attributes are stored in a real custom attribute. Obtain the
9561 * contents of the attribute without constructing it, as that might not be
9562 * possible when running in cross-compiling mode.
9564 cinfo = mono_custom_attrs_from_class (delegate_klass);
9567 for (i = 0; i < cinfo->num_attrs; ++i) {
9568 MonoClass *ctor_class = cinfo->attrs [i].ctor->klass;
9569 if (mono_class_has_parent (ctor_class, UnmanagedFunctionPointerAttribute)) {
9570 attr = &cinfo->attrs [i];
9576 MonoArray *typed_args, *named_args;
9577 CattrNamedArg *arginfo;
9581 MonoBoolean set_last_error = 0;
9582 MonoBoolean best_fit_mapping = 0;
9583 MonoBoolean throw_on_unmappable = 0;
9586 mono_reflection_create_custom_attr_data_args (mono_defaults.corlib, attr->ctor, attr->data, attr->data_size, &typed_args, &named_args, &arginfo, &error);
9587 g_assert (mono_error_ok (&error));
9588 g_assert (mono_array_length (typed_args) == 1);
9591 o = mono_array_get (typed_args, MonoObject*, 0);
9592 call_conv = *(gint32*)mono_object_unbox (o);
9595 for (i = 0; i < mono_array_length (named_args); ++i) {
9596 CattrNamedArg *narg = &arginfo [i];
9598 o = mono_array_get (named_args, MonoObject*, i);
9600 g_assert (narg->field);
9601 if (!strcmp (narg->field->name, "CharSet")) {
9602 charset = *(gint32*)mono_object_unbox (o);
9603 } else if (!strcmp (narg->field->name, "SetLastError")) {
9604 set_last_error = *(MonoBoolean*)mono_object_unbox (o);
9605 } else if (!strcmp (narg->field->name, "BestFitMapping")) {
9606 best_fit_mapping = *(MonoBoolean*)mono_object_unbox (o);
9607 } else if (!strcmp (narg->field->name, "ThrowOnUnmappableChar")) {
9608 throw_on_unmappable = *(MonoBoolean*)mono_object_unbox (o);
9610 g_assert_not_reached ();
9616 memset (&piinfo, 0, sizeof (piinfo));
9618 piinfo.piflags = (call_conv << 8) | (charset ? (charset - 1) * 2 : 1) | set_last_error;
9620 csig->call_convention = call_conv - 1;
9623 if (cinfo && !cinfo->cached)
9624 mono_custom_attrs_free (cinfo);
9627 mono_marshal_emit_managed_wrapper (mb, invoke_sig, mspecs, &m, method, target_handle);
9629 if (!target_handle) {
9632 res = mono_mb_create_and_cache (cache, method,
9633 mb, csig, sig->param_count + 16);
9634 // FIXME: Associate it with the method+delegate_klass pair
9635 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_NONE);
9636 info->d.native_to_managed.method = method;
9637 info->d.native_to_managed.klass = delegate_klass;
9638 mono_marshal_set_wrapper_info (res, info);
9643 res = mono_mb_create_method (mb, csig, sig->param_count + 16);
9647 for (i = mono_method_signature (invoke)->param_count; i >= 0; i--)
9649 mono_metadata_free_marshal_spec (mspecs [i]);
9652 /* code_for (res); */
9658 mono_marshal_get_vtfixup_ftnptr (MonoImage *image, guint32 token, guint16 type)
9661 MonoMethodSignature *sig;
9662 MonoMethodBuilder *mb;
9667 method = mono_get_method (image, token, NULL);
9670 if (type & (VTFIXUP_TYPE_FROM_UNMANAGED | VTFIXUP_TYPE_FROM_UNMANAGED_RETAIN_APPDOMAIN)) {
9671 MonoMethodSignature *csig;
9672 MonoMarshalSpec **mspecs;
9673 EmitMarshalContext m;
9675 sig = mono_method_signature (method);
9676 g_assert (!sig->hasthis);
9678 mspecs = g_new0 (MonoMarshalSpec*, sig->param_count + 1);
9679 mono_method_get_marshal_info (method, mspecs);
9681 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_NATIVE_TO_MANAGED);
9682 csig = signature_dup (image, sig);
9693 mono_marshal_set_callconv_from_modopt (method, csig);
9695 /* FIXME: Implement VTFIXUP_TYPE_FROM_UNMANAGED_RETAIN_APPDOMAIN. */
9697 mono_marshal_emit_managed_wrapper (mb, sig, mspecs, &m, method, 0);
9702 method = mono_mb_create_method (mb, csig, sig->param_count + 16);
9705 for (i = sig->param_count; i >= 0; i--)
9707 mono_metadata_free_marshal_spec (mspecs [i]);
9710 return mono_compile_method (method);
9713 sig = mono_method_signature (method);
9714 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_MANAGED_TO_MANAGED);
9716 param_count = sig->param_count + sig->hasthis;
9718 for (i = 0; i < param_count; i++)
9719 mono_mb_emit_ldarg (mb, i);
9721 if (type & VTFIXUP_TYPE_CALL_MOST_DERIVED)
9722 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
9724 mono_mb_emit_op (mb, CEE_CALL, method);
9725 mono_mb_emit_byte (mb, CEE_RET);
9730 method = mono_mb_create_method (mb, sig, param_count);
9733 return mono_compile_method (method);
9736 static MonoReflectionType *
9737 type_from_handle (MonoType *handle)
9739 MonoDomain *domain = mono_domain_get ();
9740 MonoClass *klass = mono_class_from_mono_type (handle);
9742 MONO_ARCH_SAVE_REGS;
9744 mono_class_init (klass);
9745 return mono_type_get_object (domain, handle);
9749 * This does the equivalent of mono_object_castclass_with_cache.
9750 * The wrapper info for the wrapper is a WrapperInfo structure.
9753 mono_marshal_get_castclass_with_cache (void)
9755 static MonoMethod *cached;
9757 MonoMethodBuilder *mb;
9758 MonoMethodSignature *sig;
9759 int return_null_pos, cache_miss_pos, invalid_cast_pos;
9765 mb = mono_mb_new (mono_defaults.object_class, "__castclass_with_cache", MONO_WRAPPER_CASTCLASS);
9766 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
9767 sig->params [0] = &mono_defaults.object_class->byval_arg;
9768 sig->params [1] = &mono_defaults.int_class->byval_arg;
9769 sig->params [2] = &mono_defaults.int_class->byval_arg;
9770 sig->ret = &mono_defaults.object_class->byval_arg;
9774 /* allocate local 0 (pointer) obj_vtable */
9775 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9778 mono_mb_emit_ldarg (mb, 0);
9779 return_null_pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
9781 /*obj_vtable = obj->vtable;*/
9782 mono_mb_emit_ldarg (mb, 0);
9783 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoObject, vtable));
9784 mono_mb_emit_byte (mb, CEE_LDIND_I);
9785 mono_mb_emit_stloc (mb, 0);
9788 mono_mb_emit_ldarg (mb, 2);
9789 mono_mb_emit_byte (mb, CEE_LDIND_I);
9790 mono_mb_emit_ldloc (mb, 0);
9792 /*if (*cache == obj_vtable)*/
9793 cache_miss_pos = mono_mb_emit_branch (mb, CEE_BNE_UN);
9796 mono_mb_emit_ldarg (mb, 0);
9797 mono_mb_emit_byte (mb, CEE_RET);
9799 mono_mb_patch_branch (mb, cache_miss_pos);
9800 /*if (mono_object_isinst (obj, klass)) */
9801 mono_mb_emit_ldarg (mb, 0);
9802 mono_mb_emit_ldarg (mb, 1);
9803 mono_mb_emit_icall (mb, mono_object_isinst);
9804 invalid_cast_pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
9806 /**cache = obj_vtable;*/
9807 mono_mb_emit_ldarg (mb, 2);
9808 mono_mb_emit_ldloc (mb, 0);
9809 mono_mb_emit_byte (mb, CEE_STIND_I);
9812 mono_mb_emit_ldarg (mb, 0);
9813 mono_mb_emit_byte (mb, CEE_RET);
9816 mono_mb_patch_branch (mb, invalid_cast_pos);
9817 mono_mb_emit_exception (mb, "InvalidCastException", NULL);
9820 mono_mb_patch_branch (mb, return_null_pos);
9821 mono_mb_emit_byte (mb, CEE_LDNULL);
9822 mono_mb_emit_byte (mb, CEE_RET);
9823 #endif /* DISABLE_JIT */
9825 res = mono_mb_create_method (mb, sig, 8);
9826 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_CASTCLASS_WITH_CACHE);
9827 mono_marshal_set_wrapper_info (res, info);
9830 if (InterlockedCompareExchangePointer ((volatile gpointer *)&cached, res, NULL)) {
9831 mono_free_method (res);
9832 mono_metadata_free_method_signature (sig);
9840 * This does the equivalent of mono_object_isinst_with_cache.
9841 * The wrapper info for the wrapper is a WrapperInfo structure.
9844 mono_marshal_get_isinst_with_cache (void)
9846 static MonoMethod *cached;
9848 MonoMethodBuilder *mb;
9849 MonoMethodSignature *sig;
9850 int return_null_pos, cache_miss_pos, cache_hit_pos, not_an_instance_pos, negative_cache_hit_pos;
9856 mb = mono_mb_new (mono_defaults.object_class, "__isinst_with_cache", MONO_WRAPPER_CASTCLASS);
9857 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
9858 sig->params [0] = &mono_defaults.object_class->byval_arg;
9859 sig->params [1] = &mono_defaults.int_class->byval_arg;
9860 sig->params [2] = &mono_defaults.int_class->byval_arg;
9861 sig->ret = &mono_defaults.object_class->byval_arg;
9865 /* allocate local 0 (pointer) obj_vtable */
9866 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9867 /* allocate local 1 (pointer) cached_vtable */
9868 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9871 mono_mb_emit_ldarg (mb, 0);
9872 return_null_pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
9874 /*obj_vtable = obj->vtable;*/
9875 mono_mb_emit_ldarg (mb, 0);
9876 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoObject, vtable));
9877 mono_mb_emit_byte (mb, CEE_LDIND_I);
9878 mono_mb_emit_stloc (mb, 0);
9880 /* cached_vtable = *cache*/
9881 mono_mb_emit_ldarg (mb, 2);
9882 mono_mb_emit_byte (mb, CEE_LDIND_I);
9883 mono_mb_emit_stloc (mb, 1);
9885 mono_mb_emit_ldloc (mb, 1);
9886 mono_mb_emit_byte (mb, CEE_LDC_I4);
9887 mono_mb_emit_i4 (mb, ~0x1);
9888 mono_mb_emit_byte (mb, CEE_CONV_U);
9889 mono_mb_emit_byte (mb, CEE_AND);
9890 mono_mb_emit_ldloc (mb, 0);
9891 /*if ((cached_vtable & ~0x1)== obj_vtable)*/
9892 cache_miss_pos = mono_mb_emit_branch (mb, CEE_BNE_UN);
9894 /*return (cached_vtable & 0x1) ? NULL : obj;*/
9895 mono_mb_emit_ldloc (mb, 1);
9896 mono_mb_emit_byte(mb, CEE_LDC_I4_1);
9897 mono_mb_emit_byte (mb, CEE_CONV_U);
9898 mono_mb_emit_byte (mb, CEE_AND);
9899 negative_cache_hit_pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
9902 mono_mb_emit_ldarg (mb, 0);
9903 cache_hit_pos = mono_mb_emit_branch (mb, CEE_BR);
9906 mono_mb_patch_branch (mb, negative_cache_hit_pos);
9907 mono_mb_emit_byte (mb, CEE_LDNULL);
9909 mono_mb_patch_branch (mb, cache_hit_pos);
9910 mono_mb_emit_byte (mb, CEE_RET);
9912 mono_mb_patch_branch (mb, cache_miss_pos);
9913 /*if (mono_object_isinst (obj, klass)) */
9914 mono_mb_emit_ldarg (mb, 0);
9915 mono_mb_emit_ldarg (mb, 1);
9916 mono_mb_emit_icall (mb, mono_object_isinst);
9917 not_an_instance_pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
9919 /**cache = obj_vtable;*/
9920 mono_mb_emit_ldarg (mb, 2);
9921 mono_mb_emit_ldloc (mb, 0);
9922 mono_mb_emit_byte (mb, CEE_STIND_I);
9925 mono_mb_emit_ldarg (mb, 0);
9926 mono_mb_emit_byte (mb, CEE_RET);
9929 mono_mb_patch_branch (mb, not_an_instance_pos);
9930 /* *cache = (gpointer)(obj_vtable | 0x1);*/
9931 mono_mb_emit_ldarg (mb, 2);
9932 /*obj_vtable | 0x1*/
9933 mono_mb_emit_ldloc (mb, 0);
9934 mono_mb_emit_byte(mb, CEE_LDC_I4_1);
9935 mono_mb_emit_byte (mb, CEE_CONV_U);
9936 mono_mb_emit_byte (mb, CEE_OR);
9939 mono_mb_emit_byte (mb, CEE_STIND_I);
9942 mono_mb_patch_branch (mb, return_null_pos);
9943 mono_mb_emit_byte (mb, CEE_LDNULL);
9944 mono_mb_emit_byte (mb, CEE_RET);
9947 res = mono_mb_create_method (mb, sig, 8);
9948 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_ISINST_WITH_CACHE);
9949 mono_marshal_set_wrapper_info (res, info);
9952 if (InterlockedCompareExchangePointer ((volatile gpointer *)&cached, res, NULL)) {
9953 mono_free_method (res);
9954 mono_metadata_free_method_signature (sig);
9962 * mono_marshal_get_isinst:
9963 * @klass: the type of the field
9965 * This method generates a function which can be used to check if an object is
9966 * an instance of the given type, icluding the case where the object is a proxy.
9967 * The generated function has the following signature:
9968 * MonoObject* __isinst_wrapper_ (MonoObject *obj)
9971 mono_marshal_get_isinst (MonoClass *klass)
9973 static MonoMethodSignature *isint_sig = NULL;
9976 int pos_was_ok, pos_end;
9977 #ifndef DISABLE_REMOTING
9978 int pos_end2, pos_failed;
9981 MonoMethodBuilder *mb;
9983 cache = get_cache (&klass->image->isinst_cache, mono_aligned_addr_hash, NULL);
9984 if ((res = mono_marshal_find_in_cache (cache, klass)))
9988 isint_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
9989 isint_sig->params [0] = &mono_defaults.object_class->byval_arg;
9990 isint_sig->ret = &mono_defaults.object_class->byval_arg;
9991 isint_sig->pinvoke = 0;
9994 name = g_strdup_printf ("__isinst_wrapper_%s", klass->name);
9995 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_ISINST);
9998 mb->method->save_lmf = 1;
10000 #ifndef DISABLE_JIT
10001 /* check if the object is a proxy that needs special cast */
10002 mono_mb_emit_ldarg (mb, 0);
10003 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
10004 mono_mb_emit_op (mb, CEE_MONO_CISINST, klass);
10006 /* The result of MONO_CISINST can be:
10007 0) the type check succeeded
10008 1) the type check did not succeed
10009 2) a CanCastTo call is needed */
10010 #ifndef DISABLE_REMOTING
10011 mono_mb_emit_byte (mb, CEE_DUP);
10012 pos_was_ok = mono_mb_emit_branch (mb, CEE_BRFALSE);
10014 mono_mb_emit_byte (mb, CEE_LDC_I4_2);
10015 pos_failed = mono_mb_emit_branch (mb, CEE_BNE_UN);
10017 /* get the real proxy from the transparent proxy*/
10019 mono_mb_emit_ldarg (mb, 0);
10020 mono_mb_emit_managed_call (mb, mono_marshal_get_proxy_cancast (klass), NULL);
10021 pos_end = mono_mb_emit_branch (mb, CEE_BR);
10025 mono_mb_patch_branch (mb, pos_failed);
10026 mono_mb_emit_byte (mb, CEE_LDNULL);
10027 pos_end2 = mono_mb_emit_branch (mb, CEE_BR);
10031 mono_mb_patch_branch (mb, pos_was_ok);
10032 mono_mb_emit_byte (mb, CEE_POP);
10033 mono_mb_emit_ldarg (mb, 0);
10037 mono_mb_patch_branch (mb, pos_end);
10038 mono_mb_patch_branch (mb, pos_end2);
10039 mono_mb_emit_byte (mb, CEE_RET);
10041 pos_was_ok = mono_mb_emit_branch (mb, CEE_BRFALSE);
10045 mono_mb_emit_byte (mb, CEE_LDNULL);
10046 pos_end = mono_mb_emit_branch (mb, CEE_BR);
10050 mono_mb_patch_branch (mb, pos_was_ok);
10051 mono_mb_emit_ldarg (mb, 0);
10055 mono_mb_patch_branch (mb, pos_end);
10056 mono_mb_emit_byte (mb, CEE_RET);
10057 #endif /* DISABLE_REMOTING */
10058 #endif /* DISABLE_JIT */
10060 res = mono_mb_create_and_cache (cache, klass, mb, isint_sig, isint_sig->param_count + 16);
10067 * mono_marshal_get_castclass:
10068 * @klass: the type of the field
10070 * This method generates a function which can be used to cast an object to
10071 * an instance of the given type, icluding the case where the object is a proxy.
10072 * The generated function has the following signature:
10073 * MonoObject* __castclass_wrapper_ (MonoObject *obj)
10074 * The wrapper info for the wrapper is a WrapperInfo structure.
10077 mono_marshal_get_castclass (MonoClass *klass)
10079 static MonoMethodSignature *castclass_sig = NULL;
10082 #ifndef DISABLE_REMOTING
10083 int pos_was_ok, pos_was_ok2;
10086 MonoMethodBuilder *mb;
10089 cache = get_cache (&klass->image->castclass_cache, mono_aligned_addr_hash, NULL);
10090 if ((res = mono_marshal_find_in_cache (cache, klass)))
10093 if (!castclass_sig) {
10094 castclass_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
10095 castclass_sig->params [0] = &mono_defaults.object_class->byval_arg;
10096 castclass_sig->ret = &mono_defaults.object_class->byval_arg;
10097 castclass_sig->pinvoke = 0;
10100 name = g_strdup_printf ("__castclass_wrapper_%s", klass->name);
10101 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_CASTCLASS);
10104 mb->method->save_lmf = 1;
10106 #ifndef DISABLE_JIT
10107 /* check if the object is a proxy that needs special cast */
10108 mono_mb_emit_ldarg (mb, 0);
10109 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
10110 mono_mb_emit_op (mb, CEE_MONO_CCASTCLASS, klass);
10112 /* The result of MONO_CCASTCLASS can be:
10113 0) the cast is valid
10114 1) cast of unknown proxy type
10115 or an exception if the cast is is invalid
10117 #ifndef DISABLE_REMOTING
10118 pos_was_ok = mono_mb_emit_branch (mb, CEE_BRFALSE);
10120 /* get the real proxy from the transparent proxy*/
10122 mono_mb_emit_ldarg (mb, 0);
10123 mono_mb_emit_managed_call (mb, mono_marshal_get_proxy_cancast (klass), NULL);
10124 pos_was_ok2 = mono_mb_emit_branch (mb, CEE_BRTRUE);
10127 mono_mb_emit_exception (mb, "InvalidCastException", NULL);
10130 mono_mb_patch_branch (mb, pos_was_ok);
10131 mono_mb_patch_branch (mb, pos_was_ok2);
10133 /* MONO_CCASTCLASS leaves an int in the stack with the result, pop it. */
10134 mono_mb_emit_byte (mb, CEE_POP);
10135 #endif /* DISABLE_REMOTING */
10137 mono_mb_emit_ldarg (mb, 0);
10140 mono_mb_emit_byte (mb, CEE_RET);
10141 #endif /* DISABLE_JIT */
10143 res = mono_mb_create_and_cache (cache, klass, mb, castclass_sig, castclass_sig->param_count + 16);
10146 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_NONE);
10147 mono_marshal_set_wrapper_info (res, info);
10152 #ifndef DISABLE_REMOTING
10154 mono_marshal_get_proxy_cancast (MonoClass *klass)
10156 static MonoMethodSignature *isint_sig = NULL;
10159 int pos_failed, pos_end;
10160 char *name, *klass_name;
10161 MonoMethod *can_cast_to;
10162 MonoMethodDesc *desc;
10163 MonoMethodBuilder *mb;
10165 cache = get_cache (&klass->image->proxy_isinst_cache, mono_aligned_addr_hash, NULL);
10166 if ((res = mono_marshal_find_in_cache (cache, klass)))
10170 isint_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
10171 isint_sig->params [0] = &mono_defaults.object_class->byval_arg;
10172 isint_sig->ret = &mono_defaults.object_class->byval_arg;
10173 isint_sig->pinvoke = 0;
10176 klass_name = mono_type_full_name (&klass->byval_arg);
10177 name = g_strdup_printf ("__proxy_isinst_wrapper_%s", klass_name);
10178 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_PROXY_ISINST);
10179 g_free (klass_name);
10182 mb->method->save_lmf = 1;
10184 #ifndef DISABLE_JIT
10185 /* get the real proxy from the transparent proxy*/
10186 mono_mb_emit_ldarg (mb, 0);
10187 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoTransparentProxy, rp));
10188 mono_mb_emit_byte (mb, CEE_LDIND_REF);
10190 /* get the reflection type from the type handle */
10191 mono_mb_emit_ptr (mb, &klass->byval_arg);
10192 mono_mb_emit_icall (mb, type_from_handle);
10194 mono_mb_emit_ldarg (mb, 0);
10196 /* make the call to CanCastTo (type, ob) */
10197 desc = mono_method_desc_new ("IRemotingTypeInfo:CanCastTo", FALSE);
10198 can_cast_to = mono_method_desc_search_in_class (desc, mono_defaults.iremotingtypeinfo_class);
10199 g_assert (can_cast_to);
10200 mono_method_desc_free (desc);
10201 mono_mb_emit_op (mb, CEE_CALLVIRT, can_cast_to);
10203 pos_failed = mono_mb_emit_branch (mb, CEE_BRFALSE);
10205 /* Upgrade the proxy vtable by calling: mono_upgrade_remote_class_wrapper (type, ob)*/
10206 mono_mb_emit_ptr (mb, &klass->byval_arg);
10207 mono_mb_emit_icall (mb, type_from_handle);
10208 mono_mb_emit_ldarg (mb, 0);
10210 mono_mb_emit_icall (mb, mono_upgrade_remote_class_wrapper);
10211 emit_thread_interrupt_checkpoint (mb);
10213 mono_mb_emit_ldarg (mb, 0);
10214 pos_end = mono_mb_emit_branch (mb, CEE_BR);
10218 mono_mb_patch_branch (mb, pos_failed);
10219 mono_mb_emit_byte (mb, CEE_LDNULL);
10223 mono_mb_patch_branch (mb, pos_end);
10224 mono_mb_emit_byte (mb, CEE_RET);
10227 res = mono_mb_create_and_cache (cache, klass, mb, isint_sig, isint_sig->param_count + 16);
10234 mono_upgrade_remote_class_wrapper (MonoReflectionType *rtype, MonoTransparentProxy *tproxy)
10237 MonoDomain *domain = ((MonoObject*)tproxy)->vtable->domain;
10238 klass = mono_class_from_mono_type (rtype->type);
10239 mono_upgrade_remote_class (domain, (MonoObject*)tproxy, klass);
10241 #endif /*DISABLE_REMOTING */
10244 * mono_marshal_get_struct_to_ptr:
10247 * generates IL code for StructureToPtr (object structure, IntPtr ptr, bool fDeleteOld)
10248 * The wrapper info for the wrapper is a WrapperInfo structure.
10251 mono_marshal_get_struct_to_ptr (MonoClass *klass)
10253 MonoMethodBuilder *mb;
10254 static MonoMethod *stoptr = NULL;
10258 g_assert (klass != NULL);
10260 mono_marshal_load_type_info (klass);
10262 if (klass->marshal_info->str_to_ptr)
10263 return klass->marshal_info->str_to_ptr;
10266 stoptr = mono_class_get_method_from_name (mono_defaults.marshal_class, "StructureToPtr", 3);
10269 mb = mono_mb_new (klass, stoptr->name, MONO_WRAPPER_UNKNOWN);
10271 #ifndef DISABLE_JIT
10272 if (klass->blittable) {
10273 mono_mb_emit_byte (mb, CEE_LDARG_1);
10274 mono_mb_emit_byte (mb, CEE_LDARG_0);
10275 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
10276 mono_mb_emit_icon (mb, mono_class_value_size (klass, NULL));
10277 mono_mb_emit_byte (mb, CEE_PREFIX1);
10278 mono_mb_emit_byte (mb, CEE_CPBLK);
10281 /* allocate local 0 (pointer) src_ptr */
10282 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10283 /* allocate local 1 (pointer) dst_ptr */
10284 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10285 /* allocate local 2 (boolean) delete_old */
10286 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
10287 mono_mb_emit_byte (mb, CEE_LDARG_2);
10288 mono_mb_emit_stloc (mb, 2);
10290 /* initialize src_ptr to point to the start of object data */
10291 mono_mb_emit_byte (mb, CEE_LDARG_0);
10292 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
10293 mono_mb_emit_stloc (mb, 0);
10295 /* initialize dst_ptr */
10296 mono_mb_emit_byte (mb, CEE_LDARG_1);
10297 mono_mb_emit_stloc (mb, 1);
10299 emit_struct_conv (mb, klass, FALSE);
10302 mono_mb_emit_byte (mb, CEE_RET);
10305 res = mono_mb_create_method (mb, mono_signature_no_pinvoke (stoptr), 0);
10308 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_STRUCTURE_TO_PTR);
10309 mono_marshal_set_wrapper_info (res, info);
10311 klass->marshal_info->str_to_ptr = res;
10316 * mono_marshal_get_ptr_to_struct:
10319 * generates IL code for PtrToStructure (IntPtr src, object structure)
10320 * The wrapper info for the wrapper is a WrapperInfo structure.
10323 mono_marshal_get_ptr_to_struct (MonoClass *klass)
10325 MonoMethodBuilder *mb;
10326 static MonoMethodSignature *ptostr = NULL;
10330 g_assert (klass != NULL);
10332 mono_marshal_load_type_info (klass);
10334 if (klass->marshal_info->ptr_to_str)
10335 return klass->marshal_info->ptr_to_str;
10338 MonoMethodSignature *sig;
10340 /* Create the signature corresponding to
10341 static void PtrToStructure (IntPtr ptr, object structure);
10342 defined in class/corlib/System.Runtime.InteropServices/Marshal.cs */
10343 sig = mono_create_icall_signature ("void ptr object");
10344 sig = signature_dup (mono_defaults.corlib, sig);
10346 mono_memory_barrier ();
10350 mb = mono_mb_new (klass, "PtrToStructure", MONO_WRAPPER_UNKNOWN);
10352 #ifndef DISABLE_JIT
10353 if (klass->blittable) {
10354 mono_mb_emit_byte (mb, CEE_LDARG_1);
10355 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
10356 mono_mb_emit_byte (mb, CEE_LDARG_0);
10357 mono_mb_emit_icon (mb, mono_class_value_size (klass, NULL));
10358 mono_mb_emit_byte (mb, CEE_PREFIX1);
10359 mono_mb_emit_byte (mb, CEE_CPBLK);
10362 /* allocate local 0 (pointer) src_ptr */
10363 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10364 /* allocate local 1 (pointer) dst_ptr */
10365 mono_mb_add_local (mb, &klass->this_arg);
10367 /* initialize src_ptr to point to the start of object data */
10368 mono_mb_emit_byte (mb, CEE_LDARG_0);
10369 mono_mb_emit_stloc (mb, 0);
10371 /* initialize dst_ptr */
10372 mono_mb_emit_byte (mb, CEE_LDARG_1);
10373 mono_mb_emit_op (mb, CEE_UNBOX, klass);
10374 mono_mb_emit_stloc (mb, 1);
10376 emit_struct_conv (mb, klass, TRUE);
10379 mono_mb_emit_byte (mb, CEE_RET);
10382 res = mono_mb_create_method (mb, ptostr, 0);
10385 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_PTR_TO_STRUCTURE);
10386 mono_marshal_set_wrapper_info (res, info);
10388 klass->marshal_info->ptr_to_str = res;
10393 * Return a dummy wrapper for METHOD which is called by synchronized wrappers.
10394 * This is used to avoid infinite recursion since it is hard to determine where to
10395 * replace a method with its synchronized wrapper, and where not.
10396 * The runtime should execute METHOD instead of the wrapper.
10397 * The wrapper info for the wrapper is a WrapperInfo structure.
10400 mono_marshal_get_synchronized_inner_wrapper (MonoMethod *method)
10402 MonoMethodBuilder *mb;
10404 MonoMethodSignature *sig;
10406 MonoGenericContext *ctx = NULL;
10407 MonoMethod *orig_method = NULL;
10408 MonoGenericContainer *container = NULL;
10410 if (method->is_inflated && !mono_method_get_context (method)->method_inst) {
10411 orig_method = method;
10412 ctx = &((MonoMethodInflated*)method)->context;
10413 method = ((MonoMethodInflated*)method)->declaring;
10414 container = mono_method_get_generic_container (method);
10416 container = method->klass->generic_container;
10417 g_assert (container);
10420 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_UNKNOWN);
10421 #ifndef DISABLE_JIT
10422 mono_mb_emit_exception_full (mb, "System", "ExecutionEngineException", "Shouldn't be called.");
10423 mono_mb_emit_byte (mb, CEE_RET);
10425 sig = signature_dup (method->klass->image, mono_method_signature (method));
10426 res = mono_mb_create_method (mb, sig, 0);
10428 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_SYNCHRONIZED_INNER);
10429 info->d.synchronized_inner.method = method;
10430 mono_marshal_set_wrapper_info (res, info);
10432 res = mono_class_inflate_generic_method (res, ctx);
10437 * generates IL code for the synchronized wrapper: the generated method
10438 * calls METHOD while locking 'this' or the parent type.
10441 mono_marshal_get_synchronized_wrapper (MonoMethod *method)
10443 static MonoMethod *enter_method, *exit_method, *gettypefromhandle_method;
10444 MonoMethodSignature *sig;
10445 MonoExceptionClause *clause;
10446 MonoMethodBuilder *mb;
10449 int i, pos, this_local, ret_local = 0;
10450 MonoGenericContext *ctx = NULL;
10451 MonoMethod *orig_method = NULL;
10452 MonoGenericContainer *container = NULL;
10456 if (method->wrapper_type == MONO_WRAPPER_SYNCHRONIZED)
10459 /* FIXME: Support generic methods too */
10460 if (method->is_inflated && !mono_method_get_context (method)->method_inst) {
10461 orig_method = method;
10462 ctx = &((MonoMethodInflated*)method)->context;
10463 method = ((MonoMethodInflated*)method)->declaring;
10464 container = mono_method_get_generic_container (method);
10466 container = method->klass->generic_container;
10467 g_assert (container);
10474 cache = get_cache (&method->klass->image->synchronized_generic_cache, mono_aligned_addr_hash, NULL);
10475 res = check_generic_wrapper_cache (cache, orig_method, orig_method, method);
10479 cache = get_cache (&method->klass->image->synchronized_cache, mono_aligned_addr_hash, NULL);
10480 if ((res = mono_marshal_find_in_cache (cache, method)))
10484 sig = signature_dup (method->klass->image, mono_method_signature (method));
10487 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_SYNCHRONIZED);
10489 #ifndef DISABLE_JIT
10491 if (!MONO_TYPE_IS_VOID (sig->ret))
10492 ret_local = mono_mb_add_local (mb, sig->ret);
10495 if (method->klass->valuetype && !(method->flags & MONO_METHOD_ATTR_STATIC)) {
10496 mono_class_set_failure (method->klass, MONO_EXCEPTION_TYPE_LOAD, NULL);
10497 #ifndef DISABLE_JIT
10498 /* This will throw the type load exception when the wrapper is compiled */
10499 mono_mb_emit_byte (mb, CEE_LDNULL);
10500 mono_mb_emit_op (mb, CEE_ISINST, method->klass);
10501 mono_mb_emit_byte (mb, CEE_POP);
10503 if (!MONO_TYPE_IS_VOID (sig->ret))
10504 mono_mb_emit_ldloc (mb, ret_local);
10505 mono_mb_emit_byte (mb, CEE_RET);
10508 res = mono_mb_create_and_cache (cache, method,
10509 mb, sig, sig->param_count + 16);
10515 #ifndef DISABLE_JIT
10517 this_local = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
10519 clause = mono_image_alloc0 (method->klass->image, sizeof (MonoExceptionClause));
10520 clause->flags = MONO_EXCEPTION_CLAUSE_FINALLY;
10523 mono_marshal_lock ();
10525 if (!enter_method) {
10526 MonoMethodDesc *desc;
10528 desc = mono_method_desc_new ("Monitor:Enter", FALSE);
10529 enter_method = mono_method_desc_search_in_class (desc, mono_defaults.monitor_class);
10530 g_assert (enter_method);
10531 mono_method_desc_free (desc);
10533 desc = mono_method_desc_new ("Monitor:Exit", FALSE);
10534 exit_method = mono_method_desc_search_in_class (desc, mono_defaults.monitor_class);
10535 g_assert (exit_method);
10536 mono_method_desc_free (desc);
10538 desc = mono_method_desc_new ("Type:GetTypeFromHandle", FALSE);
10539 gettypefromhandle_method = mono_method_desc_search_in_class (desc, mono_defaults.systemtype_class);
10540 g_assert (gettypefromhandle_method);
10541 mono_method_desc_free (desc);
10544 mono_marshal_unlock ();
10546 #ifndef DISABLE_JIT
10547 /* Push this or the type object */
10548 if (method->flags & METHOD_ATTRIBUTE_STATIC) {
10549 /* We have special handling for this in the JIT */
10550 int index = mono_mb_add_data (mb, method->klass);
10551 mono_mb_add_data (mb, mono_defaults.typehandle_class);
10552 mono_mb_emit_byte (mb, CEE_LDTOKEN);
10553 mono_mb_emit_i4 (mb, index);
10555 mono_mb_emit_managed_call (mb, gettypefromhandle_method, NULL);
10558 mono_mb_emit_ldarg (mb, 0);
10559 mono_mb_emit_stloc (mb, this_local);
10561 /* Call Monitor::Enter() */
10562 mono_mb_emit_ldloc (mb, this_local);
10563 mono_mb_emit_managed_call (mb, enter_method, NULL);
10565 clause->try_offset = mono_mb_get_label (mb);
10567 /* Call the method */
10569 mono_mb_emit_ldarg (mb, 0);
10570 for (i = 0; i < sig->param_count; i++)
10571 mono_mb_emit_ldarg (mb, i + (sig->hasthis == TRUE));
10574 mono_mb_emit_managed_call (mb, mono_class_inflate_generic_method (method, &container->context), NULL);
10576 mono_mb_emit_managed_call (mb, method, NULL);
10578 if (!MONO_TYPE_IS_VOID (sig->ret))
10579 mono_mb_emit_stloc (mb, ret_local);
10581 pos = mono_mb_emit_branch (mb, CEE_LEAVE);
10583 clause->try_len = mono_mb_get_pos (mb) - clause->try_offset;
10584 clause->handler_offset = mono_mb_get_label (mb);
10586 /* Call Monitor::Exit() */
10587 mono_mb_emit_ldloc (mb, this_local);
10588 mono_mb_emit_managed_call (mb, exit_method, NULL);
10589 mono_mb_emit_byte (mb, CEE_ENDFINALLY);
10591 clause->handler_len = mono_mb_get_pos (mb) - clause->handler_offset;
10593 mono_mb_patch_branch (mb, pos);
10594 if (!MONO_TYPE_IS_VOID (sig->ret))
10595 mono_mb_emit_ldloc (mb, ret_local);
10596 mono_mb_emit_byte (mb, CEE_RET);
10598 mono_mb_set_clauses (mb, 1, clause);
10603 def = mono_mb_create_and_cache (cache, method, mb, sig, sig->param_count + 16);
10604 res = cache_generic_wrapper (cache, orig_method, def, ctx, orig_method);
10606 res = mono_mb_create_and_cache (cache, method,
10607 mb, sig, sig->param_count + 16);
10616 * the returned method calls 'method' unboxing the this argument
10619 mono_marshal_get_unbox_wrapper (MonoMethod *method)
10621 MonoMethodSignature *sig = mono_method_signature (method);
10623 MonoMethodBuilder *mb;
10627 cache = get_cache (&method->klass->image->unbox_wrapper_cache, mono_aligned_addr_hash, NULL);
10628 if ((res = mono_marshal_find_in_cache (cache, method)))
10631 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_UNBOX);
10633 g_assert (sig->hasthis);
10635 #ifndef DISABLE_JIT
10636 mono_mb_emit_ldarg (mb, 0);
10637 mono_mb_emit_icon (mb, sizeof (MonoObject));
10638 mono_mb_emit_byte (mb, CEE_ADD);
10639 for (i = 0; i < sig->param_count; ++i)
10640 mono_mb_emit_ldarg (mb, i + 1);
10641 mono_mb_emit_managed_call (mb, method, NULL);
10642 mono_mb_emit_byte (mb, CEE_RET);
10645 res = mono_mb_create_and_cache (cache, method,
10646 mb, sig, sig->param_count + 16);
10649 /* code_for (res); */
10655 STELEMREF_OBJECT, /*no check at all*/
10656 STELEMREF_SEALED_CLASS, /*check vtable->klass->element_type */
10657 STELEMREF_CLASS, /*only the klass->parents check*/
10658 STELEMREF_INTERFACE, /*interfaces without variant generic arguments. */
10659 STELEMREF_COMPLEX, /*arrays, MBR or types with variant generic args - go straight to icalls*/
10660 STELEMREF_KIND_COUNT
10663 static const char *strelemref_wrapper_name[] = {
10664 "object", "sealed_class", "class", "interface", "complex"
10668 is_monomorphic_array (MonoClass *klass)
10670 MonoClass *element_class;
10671 if (klass->rank != 1)
10674 element_class = klass->element_class;
10675 return (element_class->flags & TYPE_ATTRIBUTE_SEALED) || element_class->valuetype;
10679 get_virtual_stelemref_kind (MonoClass *element_class)
10681 if (element_class == mono_defaults.object_class)
10682 return STELEMREF_OBJECT;
10683 if (is_monomorphic_array (element_class))
10684 return STELEMREF_SEALED_CLASS;
10685 /* Compressed interface bitmaps require code that is quite complex, so don't optimize for it. */
10686 if (MONO_CLASS_IS_INTERFACE (element_class) && !mono_class_has_variant_generic_params (element_class))
10687 #ifdef COMPRESSED_INTERFACE_BITMAP
10688 return STELEMREF_COMPLEX;
10690 return STELEMREF_INTERFACE;
10692 /*Arrays are sealed but are covariant on their element type, We can't use any of the fast paths.*/
10693 if (mono_class_is_marshalbyref (element_class) || element_class->rank || mono_class_has_variant_generic_params (element_class))
10694 return STELEMREF_COMPLEX;
10695 if (element_class->flags & TYPE_ATTRIBUTE_SEALED)
10696 return STELEMREF_SEALED_CLASS;
10697 return STELEMREF_CLASS;
10700 #ifndef DISABLE_JIT
10703 load_array_element_address (MonoMethodBuilder *mb)
10705 mono_mb_emit_ldarg (mb, 0);
10706 mono_mb_emit_ldarg (mb, 1);
10707 mono_mb_emit_op (mb, CEE_LDELEMA, mono_defaults.object_class);
10711 load_array_class (MonoMethodBuilder *mb, int aklass)
10713 mono_mb_emit_ldarg (mb, 0);
10714 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoObject, vtable));
10715 mono_mb_emit_byte (mb, CEE_LDIND_I);
10716 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoVTable, klass));
10717 mono_mb_emit_byte (mb, CEE_LDIND_I);
10718 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoClass, element_class));
10719 mono_mb_emit_byte (mb, CEE_LDIND_I);
10720 mono_mb_emit_stloc (mb, aklass);
10724 load_value_class (MonoMethodBuilder *mb, int vklass)
10726 mono_mb_emit_ldarg (mb, 2);
10727 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoObject, vtable));
10728 mono_mb_emit_byte (mb, CEE_LDIND_I);
10729 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoVTable, klass));
10730 mono_mb_emit_byte (mb, CEE_LDIND_I);
10731 mono_mb_emit_stloc (mb, vklass);
10737 record_slot_vstore (MonoObject *array, size_t index, MonoObject *value)
10739 char *name = mono_type_get_full_name (array->vtable->klass->element_class);
10740 printf ("slow vstore of %s\n", name);
10746 * The wrapper info for the wrapper is a WrapperInfo structure.
10749 * - Separate simple interfaces from variant interfaces or mbr types. This way we can avoid the icall for them.
10750 * - Emit a (new) mono bytecode that produces OP_COND_EXC_NE_UN to raise ArrayTypeMismatch
10751 * - Maybe mve some MonoClass field into the vtable to reduce the number of loads
10752 * - Add a case for arrays of arrays.
10755 get_virtual_stelemref_wrapper (int kind)
10757 static MonoMethod *cached_methods [STELEMREF_KIND_COUNT] = { NULL }; /*object iface sealed regular*/
10758 static MonoMethodSignature *signature;
10759 MonoMethodBuilder *mb;
10762 const char *param_names [16];
10763 guint32 b1, b2, b3;
10764 int aklass, vklass, vtable, uiid;
10765 int array_slot_addr;
10768 if (cached_methods [kind])
10769 return cached_methods [kind];
10771 name = g_strdup_printf ("virt_stelemref_%s", strelemref_wrapper_name [kind]);
10772 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_STELEMREF);
10776 MonoMethodSignature *sig = mono_metadata_signature_alloc (mono_defaults.corlib, 2);
10778 /* void this::stelemref (size_t idx, void* value) */
10779 sig->ret = &mono_defaults.void_class->byval_arg;
10780 sig->hasthis = TRUE;
10781 sig->params [0] = &mono_defaults.int_class->byval_arg; /* this is a natural sized int */
10782 sig->params [1] = &mono_defaults.object_class->byval_arg;
10786 #ifndef DISABLE_JIT
10787 param_names [0] = "index";
10788 param_names [1] = "value";
10789 mono_mb_set_param_names (mb, param_names);
10791 /*For now simply call plain old stelemref*/
10793 case STELEMREF_OBJECT:
10794 /* ldelema (implicit bound check) */
10795 load_array_element_address (mb);
10797 mono_mb_emit_ldarg (mb, 2);
10798 mono_mb_emit_byte (mb, CEE_STIND_REF);
10799 mono_mb_emit_byte (mb, CEE_RET);
10802 case STELEMREF_COMPLEX:
10804 <ldelema (bound check)>
10807 if (!mono_object_isinst (value, aklass))
10811 *array_slot_addr = value;
10814 throw new ArrayTypeMismatchException ();
10817 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10818 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
10822 /*Use this to debug/record stores that are going thru the slow path*/
10823 MonoMethodSignature *csig;
10824 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
10825 csig->ret = &mono_defaults.void_class->byval_arg;
10826 csig->params [0] = &mono_defaults.object_class->byval_arg;
10827 csig->params [1] = &mono_defaults.int_class->byval_arg; /* this is a natural sized int */
10828 csig->params [2] = &mono_defaults.object_class->byval_arg;
10829 mono_mb_emit_ldarg (mb, 0);
10830 mono_mb_emit_ldarg (mb, 1);
10831 mono_mb_emit_ldarg (mb, 2);
10832 mono_mb_emit_native_call (mb, csig, record_slot_vstore);
10836 /* ldelema (implicit bound check) */
10837 load_array_element_address (mb);
10838 mono_mb_emit_stloc (mb, array_slot_addr);
10840 /* if (!value) goto do_store */
10841 mono_mb_emit_ldarg (mb, 2);
10842 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
10844 /* aklass = array->vtable->klass->element_class */
10845 load_array_class (mb, aklass);
10847 /*if (mono_object_isinst (value, aklass)) */
10848 mono_mb_emit_ldarg (mb, 2);
10849 mono_mb_emit_ldloc (mb, aklass);
10850 mono_mb_emit_icall (mb, mono_object_isinst);
10851 b2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
10854 mono_mb_patch_branch (mb, b1);
10855 mono_mb_emit_ldloc (mb, array_slot_addr);
10856 mono_mb_emit_ldarg (mb, 2);
10857 mono_mb_emit_byte (mb, CEE_STIND_REF);
10858 mono_mb_emit_byte (mb, CEE_RET);
10860 /* do_exception: */
10861 mono_mb_patch_branch (mb, b2);
10863 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
10866 case STELEMREF_SEALED_CLASS:
10868 <ldelema (bound check)>
10872 aklass = array->vtable->klass->element_class;
10873 vklass = value->vtable->klass;
10875 if (vklass != aklass)
10879 *array_slot_addr = value;
10882 throw new ArrayTypeMismatchException ();
10884 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10885 vklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10886 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
10889 /* ldelema (implicit bound check) */
10890 load_array_element_address (mb);
10891 mono_mb_emit_stloc (mb, array_slot_addr);
10893 /* if (!value) goto do_store */
10894 mono_mb_emit_ldarg (mb, 2);
10895 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
10897 /* aklass = array->vtable->klass->element_class */
10898 load_array_class (mb, aklass);
10900 /* vklass = value->vtable->klass */
10901 load_value_class (mb, vklass);
10903 /*if (vklass != aklass) goto do_exception; */
10904 mono_mb_emit_ldloc (mb, aklass);
10905 mono_mb_emit_ldloc (mb, vklass);
10906 b2 = mono_mb_emit_branch (mb, CEE_BNE_UN);
10909 mono_mb_patch_branch (mb, b1);
10910 mono_mb_emit_ldloc (mb, array_slot_addr);
10911 mono_mb_emit_ldarg (mb, 2);
10912 mono_mb_emit_byte (mb, CEE_STIND_REF);
10913 mono_mb_emit_byte (mb, CEE_RET);
10915 /* do_exception: */
10916 mono_mb_patch_branch (mb, b2);
10917 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
10920 case STELEMREF_CLASS:
10923 <ldelema (bound check)>
10927 aklass = array->vtable->klass->element_class;
10928 vklass = value->vtable->klass;
10930 if (vklass->idepth < aklass->idepth)
10933 if (vklass->supertypes [aklass->idepth - 1] != aklass)
10937 *array_slot_addr = value;
10941 throw new ArrayTypeMismatchException ();
10943 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10944 vklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10945 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
10947 /* ldelema (implicit bound check) */
10948 load_array_element_address (mb);
10949 mono_mb_emit_stloc (mb, array_slot_addr);
10951 /* if (!value) goto do_store */
10952 mono_mb_emit_ldarg (mb, 2);
10953 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
10955 /* aklass = array->vtable->klass->element_class */
10956 load_array_class (mb, aklass);
10958 /* vklass = value->vtable->klass */
10959 load_value_class (mb, vklass);
10961 /*if (mono_object_isinst (value, aklass)) */
10962 mono_mb_emit_ldarg (mb, 2);
10963 mono_mb_emit_ldloc (mb, aklass);
10964 mono_mb_emit_icall (mb, mono_object_isinst);
10965 b2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
10967 /* if (vklass->idepth < aklass->idepth) goto failue */
10968 mono_mb_emit_ldloc (mb, vklass);
10969 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoClass, idepth));
10970 mono_mb_emit_byte (mb, CEE_LDIND_U2);
10972 mono_mb_emit_ldloc (mb, aklass);
10973 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoClass, idepth));
10974 mono_mb_emit_byte (mb, CEE_LDIND_U2);
10976 b2 = mono_mb_emit_branch (mb, CEE_BLT_UN);
10978 /* if (vklass->supertypes [aklass->idepth - 1] != aklass) goto failure */
10979 mono_mb_emit_ldloc (mb, vklass);
10980 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoClass, supertypes));
10981 mono_mb_emit_byte (mb, CEE_LDIND_I);
10983 mono_mb_emit_ldloc (mb, aklass);
10984 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoClass, idepth));
10985 mono_mb_emit_byte (mb, CEE_LDIND_U2);
10986 mono_mb_emit_icon (mb, 1);
10987 mono_mb_emit_byte (mb, CEE_SUB);
10988 mono_mb_emit_icon (mb, sizeof (void*));
10989 mono_mb_emit_byte (mb, CEE_MUL);
10990 mono_mb_emit_byte (mb, CEE_ADD);
10991 mono_mb_emit_byte (mb, CEE_LDIND_I);
10993 mono_mb_emit_ldloc (mb, aklass);
10994 b3 = mono_mb_emit_branch (mb, CEE_BNE_UN);
10997 mono_mb_patch_branch (mb, b1);
10998 mono_mb_emit_ldloc (mb, array_slot_addr);
10999 mono_mb_emit_ldarg (mb, 2);
11000 mono_mb_emit_byte (mb, CEE_STIND_REF);
11001 mono_mb_emit_byte (mb, CEE_RET);
11003 /* do_exception: */
11004 mono_mb_patch_branch (mb, b2);
11005 mono_mb_patch_branch (mb, b3);
11007 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
11010 case STELEMREF_INTERFACE:
11017 klass = array->obj.vtable->klass->element_class;
11018 vt = value->vtable;
11019 uiid = klass->interface_id;
11020 if (uiid > vt->max_interface_id)
11022 if (!(vt->interface_bitmap [(uiid) >> 3] & (1 << ((uiid)&7))))
11025 mono_array_setref (array, index, value);
11028 mono_raise_exception (mono_get_exception_array_type_mismatch ());*/
11030 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
11031 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
11032 vtable = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
11033 uiid = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
11035 /* ldelema (implicit bound check) */
11036 load_array_element_address (mb);
11037 mono_mb_emit_stloc (mb, array_slot_addr);
11039 /* if (!value) goto do_store */
11040 mono_mb_emit_ldarg (mb, 2);
11041 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
11043 /* klass = array->vtable->klass->element_class */
11044 load_array_class (mb, aklass);
11046 /* vt = value->vtable */
11047 mono_mb_emit_ldarg (mb, 2);
11048 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoObject, vtable));
11049 mono_mb_emit_byte (mb, CEE_LDIND_I);
11050 mono_mb_emit_stloc (mb, vtable);
11052 /* uiid = klass->interface_id; */
11053 mono_mb_emit_ldloc (mb, aklass);
11054 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoClass, interface_id));
11055 mono_mb_emit_byte (mb, CEE_LDIND_U2);
11056 mono_mb_emit_stloc (mb, uiid);
11058 /*if (uiid > vt->max_interface_id)*/
11059 mono_mb_emit_ldloc (mb, uiid);
11060 mono_mb_emit_ldloc (mb, vtable);
11061 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoVTable, max_interface_id));
11062 mono_mb_emit_byte (mb, CEE_LDIND_U2);
11063 b2 = mono_mb_emit_branch (mb, CEE_BGT_UN);
11065 /* if (!(vt->interface_bitmap [(uiid) >> 3] & (1 << ((uiid)&7)))) */
11067 /*vt->interface_bitmap*/
11068 mono_mb_emit_ldloc (mb, vtable);
11069 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoVTable, interface_bitmap));
11070 mono_mb_emit_byte (mb, CEE_LDIND_I);
11073 mono_mb_emit_ldloc (mb, uiid);
11074 mono_mb_emit_icon (mb, 3);
11075 mono_mb_emit_byte (mb, CEE_SHR_UN);
11077 /*vt->interface_bitmap [(uiid) >> 3]*/
11078 mono_mb_emit_byte (mb, CEE_ADD); /*interface_bitmap is a guint8 array*/
11079 mono_mb_emit_byte (mb, CEE_LDIND_U1);
11081 /*(1 << ((uiid)&7)))*/
11082 mono_mb_emit_icon (mb, 1);
11083 mono_mb_emit_ldloc (mb, uiid);
11084 mono_mb_emit_icon (mb, 7);
11085 mono_mb_emit_byte (mb, CEE_AND);
11086 mono_mb_emit_byte (mb, CEE_SHL);
11088 /*bitwise and the whole thing*/
11089 mono_mb_emit_byte (mb, CEE_AND);
11090 b3 = mono_mb_emit_branch (mb, CEE_BRFALSE);
11093 mono_mb_patch_branch (mb, b1);
11094 mono_mb_emit_ldloc (mb, array_slot_addr);
11095 mono_mb_emit_ldarg (mb, 2);
11096 mono_mb_emit_byte (mb, CEE_STIND_REF);
11097 mono_mb_emit_byte (mb, CEE_RET);
11099 /* do_exception: */
11100 mono_mb_patch_branch (mb, b2);
11101 mono_mb_patch_branch (mb, b3);
11102 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
11106 mono_mb_emit_ldarg (mb, 0);
11107 mono_mb_emit_ldarg (mb, 1);
11108 mono_mb_emit_ldarg (mb, 2);
11109 mono_mb_emit_managed_call (mb, mono_marshal_get_stelemref (), NULL);
11110 mono_mb_emit_byte (mb, CEE_RET);
11113 #endif /* DISABLE_JIT */
11115 res = mono_mb_create_method (mb, signature, 4);
11116 res->flags |= METHOD_ATTRIBUTE_VIRTUAL;
11118 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_VIRTUAL_STELEMREF);
11119 info->d.virtual_stelemref.kind = kind;
11120 mono_marshal_set_wrapper_info (res, info);
11122 mono_marshal_lock ();
11123 if (!cached_methods [kind]) {
11124 cached_methods [kind] = res;
11125 mono_marshal_unlock ();
11127 mono_marshal_unlock ();
11128 mono_free_method (res);
11132 return cached_methods [kind];
11136 mono_marshal_get_virtual_stelemref (MonoClass *array_class)
11140 g_assert (array_class->rank == 1);
11141 kind = get_virtual_stelemref_kind (array_class->element_class);
11143 return get_virtual_stelemref_wrapper (kind);
11147 mono_marshal_get_virtual_stelemref_wrappers (int *nwrappers)
11152 *nwrappers = STELEMREF_KIND_COUNT;
11153 res = g_malloc0 (STELEMREF_KIND_COUNT * sizeof (MonoMethod*));
11154 for (i = 0; i < STELEMREF_KIND_COUNT; ++i)
11155 res [i] = get_virtual_stelemref_wrapper (i);
11160 * The wrapper info for the wrapper is a WrapperInfo structure.
11163 mono_marshal_get_stelemref ()
11165 static MonoMethod* ret = NULL;
11166 MonoMethodSignature *sig;
11167 MonoMethodBuilder *mb;
11170 guint32 b1, b2, b3, b4;
11172 int aklass, vklass;
11173 int array_slot_addr;
11178 mb = mono_mb_new (mono_defaults.object_class, "stelemref", MONO_WRAPPER_STELEMREF);
11181 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
11183 /* void stelemref (void* array, int idx, void* value) */
11184 sig->ret = &mono_defaults.void_class->byval_arg;
11185 sig->params [0] = &mono_defaults.object_class->byval_arg;
11186 sig->params [1] = &mono_defaults.int_class->byval_arg; /* this is a natural sized int */
11187 sig->params [2] = &mono_defaults.object_class->byval_arg;
11189 #ifndef DISABLE_JIT
11190 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
11191 vklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
11192 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
11196 <ldelema (bound check)>
11200 aklass = array->vtable->klass->element_class;
11201 vklass = value->vtable->klass;
11203 if (vklass->idepth < aklass->idepth)
11206 if (vklass->supertypes [aklass->idepth - 1] != aklass)
11210 *array_slot_addr = value;
11214 if (mono_object_isinst (value, aklass))
11217 throw new ArrayTypeMismatchException ();
11220 /* ldelema (implicit bound check) */
11221 mono_mb_emit_ldarg (mb, 0);
11222 mono_mb_emit_ldarg (mb, 1);
11223 mono_mb_emit_op (mb, CEE_LDELEMA, mono_defaults.object_class);
11224 mono_mb_emit_stloc (mb, array_slot_addr);
11226 /* if (!value) goto do_store */
11227 mono_mb_emit_ldarg (mb, 2);
11228 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
11230 /* aklass = array->vtable->klass->element_class */
11231 mono_mb_emit_ldarg (mb, 0);
11232 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoObject, vtable));
11233 mono_mb_emit_byte (mb, CEE_LDIND_I);
11234 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoVTable, klass));
11235 mono_mb_emit_byte (mb, CEE_LDIND_I);
11236 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoClass, element_class));
11237 mono_mb_emit_byte (mb, CEE_LDIND_I);
11238 mono_mb_emit_stloc (mb, aklass);
11240 /* vklass = value->vtable->klass */
11241 mono_mb_emit_ldarg (mb, 2);
11242 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoObject, vtable));
11243 mono_mb_emit_byte (mb, CEE_LDIND_I);
11244 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoVTable, klass));
11245 mono_mb_emit_byte (mb, CEE_LDIND_I);
11246 mono_mb_emit_stloc (mb, vklass);
11248 /* if (vklass->idepth < aklass->idepth) goto failue */
11249 mono_mb_emit_ldloc (mb, vklass);
11250 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoClass, idepth));
11251 mono_mb_emit_byte (mb, CEE_LDIND_U2);
11253 mono_mb_emit_ldloc (mb, aklass);
11254 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoClass, idepth));
11255 mono_mb_emit_byte (mb, CEE_LDIND_U2);
11257 b2 = mono_mb_emit_branch (mb, CEE_BLT_UN);
11259 /* if (vklass->supertypes [aklass->idepth - 1] != aklass) goto failure */
11260 mono_mb_emit_ldloc (mb, vklass);
11261 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoClass, supertypes));
11262 mono_mb_emit_byte (mb, CEE_LDIND_I);
11264 mono_mb_emit_ldloc (mb, aklass);
11265 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoClass, idepth));
11266 mono_mb_emit_byte (mb, CEE_LDIND_U2);
11267 mono_mb_emit_icon (mb, 1);
11268 mono_mb_emit_byte (mb, CEE_SUB);
11269 mono_mb_emit_icon (mb, sizeof (void*));
11270 mono_mb_emit_byte (mb, CEE_MUL);
11271 mono_mb_emit_byte (mb, CEE_ADD);
11272 mono_mb_emit_byte (mb, CEE_LDIND_I);
11274 mono_mb_emit_ldloc (mb, aklass);
11276 b3 = mono_mb_emit_branch (mb, CEE_BNE_UN);
11278 copy_pos = mono_mb_get_label (mb);
11280 mono_mb_patch_branch (mb, b1);
11281 mono_mb_emit_ldloc (mb, array_slot_addr);
11282 mono_mb_emit_ldarg (mb, 2);
11283 mono_mb_emit_byte (mb, CEE_STIND_REF);
11285 mono_mb_emit_byte (mb, CEE_RET);
11288 mono_mb_patch_branch (mb, b2);
11289 mono_mb_patch_branch (mb, b3);
11291 mono_mb_emit_ldarg (mb, 2);
11292 mono_mb_emit_ldloc (mb, aklass);
11293 mono_mb_emit_icall (mb, mono_object_isinst);
11295 b4 = mono_mb_emit_branch (mb, CEE_BRTRUE);
11296 mono_mb_patch_addr (mb, b4, copy_pos - (b4 + 4));
11297 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
11299 mono_mb_emit_byte (mb, CEE_RET);
11302 ret = mono_mb_create_method (mb, sig, 4);
11305 info = mono_wrapper_info_create (ret, WRAPPER_SUBTYPE_NONE);
11306 mono_marshal_set_wrapper_info (ret, info);
11312 * mono_marshal_get_gsharedvt_in_wrapper:
11314 * This wrapper handles calls from normal code to gsharedvt code.
11316 * The wrapper info for the wrapper is a WrapperInfo structure.
11319 mono_marshal_get_gsharedvt_in_wrapper (void)
11321 static MonoMethod* ret = NULL;
11322 MonoMethodSignature *sig;
11323 MonoMethodBuilder *mb;
11329 mb = mono_mb_new (mono_defaults.object_class, "gsharedvt_in", MONO_WRAPPER_UNKNOWN);
11331 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
11332 sig->ret = &mono_defaults.void_class->byval_arg;
11334 #ifndef DISABLE_JIT
11336 * The body is generated by the JIT, we use a wrapper instead of a trampoline so EH works.
11338 mono_mb_emit_byte (mb, CEE_RET);
11341 ret = mono_mb_create_method (mb, sig, 4);
11344 info = mono_wrapper_info_create (ret, WRAPPER_SUBTYPE_GSHAREDVT_IN);
11345 mono_marshal_set_wrapper_info (ret, info);
11351 * mono_marshal_get_gsharedvt_out_wrapper:
11353 * This wrapper handles calls from gsharedvt code to normal code.
11355 * The wrapper info for the wrapper is a WrapperInfo structure.
11358 mono_marshal_get_gsharedvt_out_wrapper (void)
11360 static MonoMethod* ret = NULL;
11361 MonoMethodSignature *sig;
11362 MonoMethodBuilder *mb;
11368 mb = mono_mb_new (mono_defaults.object_class, "gsharedvt_out", MONO_WRAPPER_UNKNOWN);
11370 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
11371 sig->ret = &mono_defaults.void_class->byval_arg;
11373 #ifndef DISABLE_JIT
11375 * The body is generated by the JIT, we use a wrapper instead of a trampoline so EH works.
11377 mono_mb_emit_byte (mb, CEE_RET);
11380 ret = mono_mb_create_method (mb, sig, 4);
11383 info = mono_wrapper_info_create (ret, WRAPPER_SUBTYPE_GSHAREDVT_OUT);
11384 mono_marshal_set_wrapper_info (ret, info);
11392 MonoMethod *method;
11395 /* LOCKING: vars accessed under the marshal lock */
11396 static ArrayElemAddr *elem_addr_cache = NULL;
11397 static int elem_addr_cache_size = 0;
11398 static int elem_addr_cache_next = 0;
11401 * mono_marshal_get_array_address:
11402 * @rank: rank of the array type
11403 * @elem_size: size in bytes of an element of an array.
11405 * Returns a MonoMethd that implements the code to get the address
11406 * of an element in a multi-dimenasional array of @rank dimensions.
11407 * The returned method takes an array as the first argument and then
11408 * @rank indexes for the @rank dimensions.
11411 mono_marshal_get_array_address (int rank, int elem_size)
11414 MonoMethodBuilder *mb;
11415 MonoMethodSignature *sig;
11416 int i, bounds, ind, realidx;
11417 int branch_pos, *branch_positions;
11421 mono_marshal_lock ();
11422 for (i = 0; i < elem_addr_cache_next; ++i) {
11423 if (elem_addr_cache [i].rank == rank && elem_addr_cache [i].elem_size == elem_size) {
11424 ret = elem_addr_cache [i].method;
11428 mono_marshal_unlock ();
11432 branch_positions = g_new0 (int, rank);
11434 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1 + rank);
11436 /* void* address (void* array, int idx0, int idx1, int idx2, ...) */
11437 sig->ret = &mono_defaults.int_class->byval_arg;
11438 sig->params [0] = &mono_defaults.object_class->byval_arg;
11439 for (i = 0; i < rank; ++i) {
11440 sig->params [i + 1] = &mono_defaults.int32_class->byval_arg;
11443 mb = mono_mb_new (mono_defaults.object_class, "ElementAddr", MONO_WRAPPER_MANAGED_TO_MANAGED);
11445 #ifndef DISABLE_JIT
11446 bounds = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
11447 ind = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
11448 realidx = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
11450 /* bounds = array->bounds; */
11451 mono_mb_emit_ldarg (mb, 0);
11452 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoArray, bounds));
11453 mono_mb_emit_byte (mb, CEE_LDIND_I);
11454 mono_mb_emit_stloc (mb, bounds);
11456 /* ind is the overall element index, realidx is the partial index in a single dimension */
11457 /* ind = idx0 - bounds [0].lower_bound */
11458 mono_mb_emit_ldarg (mb, 1);
11459 mono_mb_emit_ldloc (mb, bounds);
11460 mono_mb_emit_icon (mb, MONO_STRUCT_OFFSET (MonoArrayBounds, lower_bound));
11461 mono_mb_emit_byte (mb, CEE_ADD);
11462 mono_mb_emit_byte (mb, CEE_LDIND_I4);
11463 mono_mb_emit_byte (mb, CEE_SUB);
11464 mono_mb_emit_stloc (mb, ind);
11465 /* if (ind >= bounds [0].length) goto exeception; */
11466 mono_mb_emit_ldloc (mb, ind);
11467 mono_mb_emit_ldloc (mb, bounds);
11468 mono_mb_emit_icon (mb, MONO_STRUCT_OFFSET (MonoArrayBounds, length));
11469 mono_mb_emit_byte (mb, CEE_ADD);
11470 mono_mb_emit_byte (mb, CEE_LDIND_I4);
11471 /* note that we use unsigned comparison */
11472 branch_pos = mono_mb_emit_branch (mb, CEE_BGE_UN);
11474 /* For large ranks (> 4?) use a loop n IL later to reduce code size.
11475 * We could also decide to ignore the passed elem_size and get it
11476 * from the array object, to reduce the number of methods we generate:
11477 * the additional cost is 3 memory loads and a non-immediate mul.
11479 for (i = 1; i < rank; ++i) {
11480 /* realidx = idxi - bounds [i].lower_bound */
11481 mono_mb_emit_ldarg (mb, 1 + i);
11482 mono_mb_emit_ldloc (mb, bounds);
11483 mono_mb_emit_icon (mb, (i * sizeof (MonoArrayBounds)) + MONO_STRUCT_OFFSET (MonoArrayBounds, lower_bound));
11484 mono_mb_emit_byte (mb, CEE_ADD);
11485 mono_mb_emit_byte (mb, CEE_LDIND_I4);
11486 mono_mb_emit_byte (mb, CEE_SUB);
11487 mono_mb_emit_stloc (mb, realidx);
11488 /* if (realidx >= bounds [i].length) goto exeception; */
11489 mono_mb_emit_ldloc (mb, realidx);
11490 mono_mb_emit_ldloc (mb, bounds);
11491 mono_mb_emit_icon (mb, (i * sizeof (MonoArrayBounds)) + MONO_STRUCT_OFFSET (MonoArrayBounds, length));
11492 mono_mb_emit_byte (mb, CEE_ADD);
11493 mono_mb_emit_byte (mb, CEE_LDIND_I4);
11494 branch_positions [i] = mono_mb_emit_branch (mb, CEE_BGE_UN);
11495 /* ind = ind * bounds [i].length + realidx */
11496 mono_mb_emit_ldloc (mb, ind);
11497 mono_mb_emit_ldloc (mb, bounds);
11498 mono_mb_emit_icon (mb, (i * sizeof (MonoArrayBounds)) + MONO_STRUCT_OFFSET (MonoArrayBounds, length));
11499 mono_mb_emit_byte (mb, CEE_ADD);
11500 mono_mb_emit_byte (mb, CEE_LDIND_I4);
11501 mono_mb_emit_byte (mb, CEE_MUL);
11502 mono_mb_emit_ldloc (mb, realidx);
11503 mono_mb_emit_byte (mb, CEE_ADD);
11504 mono_mb_emit_stloc (mb, ind);
11507 /* return array->vector + ind * element_size */
11508 mono_mb_emit_ldarg (mb, 0);
11509 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoArray, vector));
11510 mono_mb_emit_ldloc (mb, ind);
11511 mono_mb_emit_icon (mb, elem_size);
11512 mono_mb_emit_byte (mb, CEE_MUL);
11513 mono_mb_emit_byte (mb, CEE_ADD);
11514 mono_mb_emit_byte (mb, CEE_RET);
11516 /* patch the branches to get here and throw */
11517 for (i = 1; i < rank; ++i) {
11518 mono_mb_patch_branch (mb, branch_positions [i]);
11520 mono_mb_patch_branch (mb, branch_pos);
11521 /* throw exception */
11522 mono_mb_emit_exception (mb, "IndexOutOfRangeException", NULL);
11524 g_free (branch_positions);
11525 #endif /* DISABLE_JIT */
11527 ret = mono_mb_create_method (mb, sig, 4);
11530 /* cache the result */
11532 mono_marshal_lock ();
11533 for (i = 0; i < elem_addr_cache_next; ++i) {
11534 if (elem_addr_cache [i].rank == rank && elem_addr_cache [i].elem_size == elem_size) {
11535 /* FIXME: free ret */
11536 ret = elem_addr_cache [i].method;
11544 if (elem_addr_cache_next >= elem_addr_cache_size) {
11545 int new_size = elem_addr_cache_size + 4;
11546 ArrayElemAddr *new_array = g_new0 (ArrayElemAddr, new_size);
11547 memcpy (new_array, elem_addr_cache, elem_addr_cache_size * sizeof (ArrayElemAddr));
11548 g_free (elem_addr_cache);
11549 elem_addr_cache = new_array;
11550 elem_addr_cache_size = new_size;
11552 elem_addr_cache [elem_addr_cache_next].rank = rank;
11553 elem_addr_cache [elem_addr_cache_next].elem_size = elem_size;
11554 elem_addr_cache [elem_addr_cache_next].method = ret;
11555 elem_addr_cache_next ++;
11557 info = mono_wrapper_info_create (ret, WRAPPER_SUBTYPE_ELEMENT_ADDR);
11558 info->d.element_addr.rank = rank;
11559 info->d.element_addr.elem_size = elem_size;
11560 mono_marshal_set_wrapper_info (ret, info);
11562 mono_marshal_unlock ();
11567 * mono_marshal_get_array_accessor_wrapper:
11569 * Return a wrapper which just calls METHOD, which should be an Array Get/Set/Address method.
11572 mono_marshal_get_array_accessor_wrapper (MonoMethod *method)
11574 MonoMethodSignature *sig;
11575 MonoMethodBuilder *mb;
11579 MonoGenericContext *ctx = NULL;
11580 MonoMethod *orig_method = NULL;
11581 MonoGenericContainer *container = NULL;
11585 * These wrappers are needed to avoid the JIT replacing the calls to these methods with intrinsics
11586 * inside runtime invoke wrappers, thereby making the wrappers not unshareable.
11587 * FIXME: Use generic methods.
11594 g_assert_not_reached ();
11596 cache = get_cache (&method->klass->image->array_accessor_cache, mono_aligned_addr_hash, NULL);
11597 if ((res = mono_marshal_find_in_cache (cache, method)))
11601 sig = signature_dup (method->klass->image, mono_method_signature (method));
11604 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_UNKNOWN);
11606 #ifndef DISABLE_JIT
11607 /* Call the method */
11609 mono_mb_emit_ldarg (mb, 0);
11610 for (i = 0; i < sig->param_count; i++)
11611 mono_mb_emit_ldarg (mb, i + (sig->hasthis == TRUE));
11614 mono_mb_emit_managed_call (mb, mono_class_inflate_generic_method (method, &container->context), NULL);
11616 mono_mb_emit_managed_call (mb, method, NULL);
11617 mono_mb_emit_byte (mb, CEE_RET);
11622 def = mono_mb_create_and_cache (cache, method, mb, sig, sig->param_count + 16);
11623 res = cache_generic_wrapper (cache, orig_method, def, ctx, orig_method);
11625 res = mono_mb_create_and_cache (cache, method,
11626 mb, sig, sig->param_count + 16);
11627 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_ARRAY_ACCESSOR);
11628 info->d.array_accessor.method = method;
11629 mono_marshal_set_wrapper_info (res, info);
11637 mono_marshal_alloc (gulong size)
11642 res = CoTaskMemAlloc (size);
11644 res = g_try_malloc ((gulong)size);
11646 mono_gc_out_of_memory ((gulong)size);
11652 mono_marshal_free (gpointer ptr)
11655 CoTaskMemFree (ptr);
11662 mono_marshal_free_array (gpointer *ptr, int size)
11669 for (i = 0; i < size; i++)
11675 mono_marshal_string_to_utf16 (MonoString *s)
11677 return s ? mono_string_chars (s) : NULL;
11681 mono_marshal_string_to_utf16_copy (MonoString *s)
11686 gunichar2 *res = mono_marshal_alloc ((mono_string_length (s) * 2) + 2);
11687 memcpy (res, mono_string_chars (s), mono_string_length (s) * 2);
11688 res [mono_string_length (s)] = 0;
11694 * mono_marshal_set_last_error:
11696 * This function is invoked to set the last error value from a P/Invoke call
11697 * which has SetLastError set.
11700 mono_marshal_set_last_error (void)
11703 mono_native_tls_set_value (last_error_tls_id, GINT_TO_POINTER (GetLastError ()));
11705 mono_native_tls_set_value (last_error_tls_id, GINT_TO_POINTER (errno));
11710 mono_marshal_set_last_error_windows (int error)
11713 mono_native_tls_set_value (last_error_tls_id, GINT_TO_POINTER (error));
11718 ves_icall_System_Runtime_InteropServices_Marshal_copy_to_unmanaged (MonoArray *src, gint32 start_index,
11719 gpointer dest, gint32 length)
11724 MONO_ARCH_SAVE_REGS;
11726 MONO_CHECK_ARG_NULL (src);
11727 MONO_CHECK_ARG_NULL (dest);
11729 if (src->obj.vtable->klass->rank != 1)
11730 mono_raise_exception (mono_get_exception_argument ("array", "array is multi-dimensional"));
11731 if (start_index < 0)
11732 mono_raise_exception (mono_get_exception_argument ("startIndex", "Must be >= 0"));
11734 mono_raise_exception (mono_get_exception_argument ("length", "Must be >= 0"));
11735 if (start_index + length > mono_array_length (src))
11736 mono_raise_exception (mono_get_exception_argument ("length", "start_index + length > array length"));
11738 element_size = mono_array_element_size (src->obj.vtable->klass);
11740 /* no references should be involved */
11741 source_addr = mono_array_addr_with_size_fast (src, element_size, start_index);
11743 memcpy (dest, source_addr, length * element_size);
11747 ves_icall_System_Runtime_InteropServices_Marshal_copy_from_unmanaged (gpointer src, gint32 start_index,
11748 MonoArray *dest, gint32 length)
11753 MONO_ARCH_SAVE_REGS;
11755 MONO_CHECK_ARG_NULL (src);
11756 MONO_CHECK_ARG_NULL (dest);
11758 if (dest->obj.vtable->klass->rank != 1)
11759 mono_raise_exception (mono_get_exception_argument ("array", "array is multi-dimensional"));
11760 if (start_index < 0)
11761 mono_raise_exception (mono_get_exception_argument ("startIndex", "Must be >= 0"));
11763 mono_raise_exception (mono_get_exception_argument ("length", "Must be >= 0"));
11764 if (start_index + length > mono_array_length (dest))
11765 mono_raise_exception (mono_get_exception_argument ("length", "start_index + length > array length"));
11767 element_size = mono_array_element_size (dest->obj.vtable->klass);
11769 /* no references should be involved */
11770 dest_addr = mono_array_addr_with_size_fast (dest, element_size, start_index);
11772 memcpy (dest_addr, src, length * element_size);
11776 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringAnsi (char *ptr)
11778 MONO_ARCH_SAVE_REGS;
11783 return mono_string_new (mono_domain_get (), ptr);
11787 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringAnsi_len (char *ptr, gint32 len)
11789 MONO_ARCH_SAVE_REGS;
11792 mono_raise_exception (mono_get_exception_argument_null ("ptr"));
11793 g_assert_not_reached ();
11796 return mono_string_new_len (mono_domain_get (), ptr, len);
11801 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringUni (guint16 *ptr)
11803 MonoDomain *domain = mono_domain_get ();
11807 MONO_ARCH_SAVE_REGS;
11815 return mono_string_new_utf16 (domain, ptr, len);
11819 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringUni_len (guint16 *ptr, gint32 len)
11821 MonoDomain *domain = mono_domain_get ();
11823 MONO_ARCH_SAVE_REGS;
11826 mono_raise_exception (mono_get_exception_argument_null ("ptr"));
11827 g_assert_not_reached ();
11830 return mono_string_new_utf16 (domain, ptr, len);
11835 ves_icall_System_Runtime_InteropServices_Marshal_GetLastWin32Error (void)
11837 MONO_ARCH_SAVE_REGS;
11839 return (GPOINTER_TO_INT (mono_native_tls_get_value (last_error_tls_id)));
11843 ves_icall_System_Runtime_InteropServices_Marshal_SizeOf (MonoReflectionType *rtype)
11849 MONO_ARCH_SAVE_REGS;
11851 MONO_CHECK_ARG_NULL (rtype);
11853 type = rtype->type;
11854 klass = mono_class_from_mono_type (type);
11855 if (!mono_class_init (klass))
11856 mono_raise_exception (mono_class_get_exception_for_failure (klass));
11858 layout = (klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK);
11860 if (type->type == MONO_TYPE_PTR || type->type == MONO_TYPE_FNPTR) {
11861 return sizeof (gpointer);
11862 } else if (layout == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
11864 MonoException *exc;
11866 msg = g_strdup_printf ("Type %s cannot be marshaled as an unmanaged structure.", klass->name);
11867 exc = mono_get_exception_argument ("t", msg);
11869 mono_raise_exception (exc);
11873 return mono_class_native_size (klass, NULL);
11877 ves_icall_System_Runtime_InteropServices_Marshal_StructureToPtr (MonoObject *obj, gpointer dst, MonoBoolean delete_old)
11879 MonoMethod *method;
11882 MONO_ARCH_SAVE_REGS;
11884 MONO_CHECK_ARG_NULL (obj);
11885 MONO_CHECK_ARG_NULL (dst);
11887 method = mono_marshal_get_struct_to_ptr (obj->vtable->klass);
11891 pa [2] = &delete_old;
11893 mono_runtime_invoke (method, NULL, pa, NULL);
11897 ptr_to_structure (gpointer src, MonoObject *dst)
11899 MonoMethod *method;
11902 method = mono_marshal_get_ptr_to_struct (dst->vtable->klass);
11907 mono_runtime_invoke (method, NULL, pa, NULL);
11911 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure (gpointer src, MonoObject *dst)
11915 MONO_ARCH_SAVE_REGS;
11917 MONO_CHECK_ARG_NULL (src);
11918 MONO_CHECK_ARG_NULL (dst);
11920 t = mono_type_get_underlying_type (mono_class_get_type (dst->vtable->klass));
11922 if (t->type == MONO_TYPE_VALUETYPE) {
11923 MonoException *exc;
11926 tmp = g_strdup_printf ("Destination is a boxed value type.");
11927 exc = mono_get_exception_argument ("dst", tmp);
11930 mono_raise_exception (exc);
11934 ptr_to_structure (src, dst);
11938 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure_type (gpointer src, MonoReflectionType *type)
11941 MonoDomain *domain = mono_domain_get ();
11944 MONO_ARCH_SAVE_REGS;
11948 MONO_CHECK_ARG_NULL (type);
11950 klass = mono_class_from_mono_type (type->type);
11951 if (!mono_class_init (klass))
11952 mono_raise_exception (mono_class_get_exception_for_failure (klass));
11954 res = mono_object_new (domain, klass);
11956 ptr_to_structure (src, res);
11962 ves_icall_System_Runtime_InteropServices_Marshal_OffsetOf (MonoReflectionType *type, MonoString *field_name)
11964 MonoMarshalType *info;
11967 int match_index = -1;
11969 MONO_ARCH_SAVE_REGS;
11971 MONO_CHECK_ARG_NULL (type);
11972 MONO_CHECK_ARG_NULL (field_name);
11974 fname = mono_string_to_utf8 (field_name);
11975 klass = mono_class_from_mono_type (type->type);
11976 if (!mono_class_init (klass))
11977 mono_raise_exception (mono_class_get_exception_for_failure (klass));
11979 while (klass && match_index == -1) {
11980 MonoClassField* field;
11982 gpointer iter = NULL;
11983 while ((field = mono_class_get_fields (klass, &iter))) {
11984 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
11986 if (!strcmp (fname, mono_field_get_name (field))) {
11993 if (match_index == -1)
11994 klass = klass->parent;
11999 if(match_index == -1) {
12000 MonoException* exc;
12003 /* Get back original class instance */
12004 klass = mono_class_from_mono_type (type->type);
12006 tmp = g_strdup_printf ("Field passed in is not a marshaled member of the type %s", klass->name);
12007 exc = mono_get_exception_argument ("fieldName", tmp);
12010 mono_raise_exception ((MonoException*)exc);
12013 info = mono_marshal_load_type_info (klass);
12014 return info->fields [match_index].offset;
12018 ves_icall_System_Runtime_InteropServices_Marshal_StringToHGlobalAnsi (MonoString *string)
12023 tres = mono_string_to_utf8 (string);
12027 len = strlen (tres) + 1;
12028 ret = ves_icall_System_Runtime_InteropServices_Marshal_AllocHGlobal (len);
12029 memcpy (ret, tres, len);
12034 return mono_string_to_utf8 (string);
12039 ves_icall_System_Runtime_InteropServices_Marshal_StringToHGlobalUni (MonoString *string)
12041 MONO_ARCH_SAVE_REGS;
12043 if (string == NULL)
12046 #ifdef TARGET_WIN32
12047 gunichar2 *res = ves_icall_System_Runtime_InteropServices_Marshal_AllocHGlobal
12048 ((mono_string_length (string) + 1) * 2);
12050 gunichar2 *res = g_malloc ((mono_string_length (string) + 1) * 2);
12052 memcpy (res, mono_string_chars (string), mono_string_length (string) * 2);
12053 res [mono_string_length (string)] = 0;
12059 mono_struct_delete_old (MonoClass *klass, char *ptr)
12061 MonoMarshalType *info;
12064 info = mono_marshal_load_type_info (klass);
12066 for (i = 0; i < info->num_fields; i++) {
12067 MonoMarshalNative ntype;
12068 MonoMarshalConv conv;
12069 MonoType *ftype = info->fields [i].field->type;
12072 if (ftype->attrs & FIELD_ATTRIBUTE_STATIC)
12075 ntype = mono_type_to_unmanaged (ftype, info->fields [i].mspec, TRUE,
12076 klass->unicode, &conv);
12078 cpos = ptr + info->fields [i].offset;
12081 case MONO_MARSHAL_CONV_NONE:
12082 if (MONO_TYPE_ISSTRUCT (ftype)) {
12083 mono_struct_delete_old (ftype->data.klass, cpos);
12087 case MONO_MARSHAL_CONV_STR_LPWSTR:
12088 /* We assume this field points inside a MonoString */
12090 case MONO_MARSHAL_CONV_STR_LPTSTR:
12091 #ifdef TARGET_WIN32
12092 /* We assume this field points inside a MonoString
12096 case MONO_MARSHAL_CONV_STR_LPSTR:
12097 case MONO_MARSHAL_CONV_STR_BSTR:
12098 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
12099 case MONO_MARSHAL_CONV_STR_TBSTR:
12100 mono_marshal_free (*(gpointer *)cpos);
12110 ves_icall_System_Runtime_InteropServices_Marshal_DestroyStructure (gpointer src, MonoReflectionType *type)
12114 MONO_ARCH_SAVE_REGS;
12116 MONO_CHECK_ARG_NULL (src);
12117 MONO_CHECK_ARG_NULL (type);
12119 klass = mono_class_from_mono_type (type->type);
12120 if (!mono_class_init (klass))
12121 mono_raise_exception (mono_class_get_exception_for_failure (klass));
12123 mono_struct_delete_old (klass, (char *)src);
12127 ves_icall_System_Runtime_InteropServices_Marshal_AllocHGlobal (int size)
12131 MONO_ARCH_SAVE_REGS;
12133 if ((gulong)size == 0)
12134 /* This returns a valid pointer for size 0 on MS.NET */
12138 res = GlobalAlloc (GMEM_FIXED, (gulong)size);
12140 res = g_try_malloc ((gulong)size);
12143 mono_gc_out_of_memory ((gulong)size);
12149 ves_icall_System_Runtime_InteropServices_Marshal_ReAllocHGlobal (gpointer ptr, int size)
12154 mono_gc_out_of_memory ((gulong)size);
12159 res = GlobalReAlloc (ptr, (gulong)size, GMEM_MOVEABLE);
12161 res = g_try_realloc (ptr, (gulong)size);
12164 mono_gc_out_of_memory ((gulong)size);
12170 ves_icall_System_Runtime_InteropServices_Marshal_FreeHGlobal (void *ptr)
12172 MONO_ARCH_SAVE_REGS;
12182 ves_icall_System_Runtime_InteropServices_Marshal_AllocCoTaskMem (int size)
12184 MONO_ARCH_SAVE_REGS;
12187 return CoTaskMemAlloc (size);
12189 return g_try_malloc ((gulong)size);
12194 ves_icall_System_Runtime_InteropServices_Marshal_FreeCoTaskMem (void *ptr)
12196 MONO_ARCH_SAVE_REGS;
12199 CoTaskMemFree (ptr);
12206 ves_icall_System_Runtime_InteropServices_Marshal_ReAllocCoTaskMem (gpointer ptr, int size)
12208 MONO_ARCH_SAVE_REGS;
12211 return CoTaskMemRealloc (ptr, size);
12213 return g_try_realloc (ptr, (gulong)size);
12218 ves_icall_System_Runtime_InteropServices_Marshal_UnsafeAddrOfPinnedArrayElement (MonoArray *arrayobj, int index)
12220 return mono_array_addr_with_size_fast (arrayobj, mono_array_element_size (arrayobj->obj.vtable->klass), index);
12224 ves_icall_System_Runtime_InteropServices_Marshal_GetDelegateForFunctionPointerInternal (void *ftn, MonoReflectionType *type)
12226 MonoClass *klass = mono_type_get_class (type->type);
12227 if (!mono_class_init (klass))
12228 mono_raise_exception (mono_class_get_exception_for_failure (klass));
12230 return mono_ftnptr_to_delegate (klass, ftn);
12234 * mono_marshal_is_loading_type_info:
12236 * Return whenever mono_marshal_load_type_info () is being executed for KLASS by this
12240 mono_marshal_is_loading_type_info (MonoClass *klass)
12242 GSList *loads_list = mono_native_tls_get_value (load_type_info_tls_id);
12244 return g_slist_find (loads_list, klass) != NULL;
12248 * mono_marshal_load_type_info:
12250 * Initialize klass->marshal_info using information from metadata. This function can
12251 * recursively call itself, and the caller is responsible to avoid that by calling
12252 * mono_marshal_is_loading_type_info () beforehand.
12254 * LOCKING: Acquires the loader lock.
12257 mono_marshal_load_type_info (MonoClass* klass)
12260 guint32 native_size = 0, min_align = 1, packing;
12261 MonoMarshalType *info;
12262 MonoClassField* field;
12265 GSList *loads_list;
12267 g_assert (klass != NULL);
12269 if (klass->marshal_info)
12270 return klass->marshal_info;
12272 if (!klass->inited)
12273 mono_class_init (klass);
12275 if (klass->marshal_info)
12276 return klass->marshal_info;
12279 * This function can recursively call itself, so we keep the list of classes which are
12280 * under initialization in a TLS list.
12282 g_assert (!mono_marshal_is_loading_type_info (klass));
12283 loads_list = mono_native_tls_get_value (load_type_info_tls_id);
12284 loads_list = g_slist_prepend (loads_list, klass);
12285 mono_native_tls_set_value (load_type_info_tls_id, loads_list);
12288 while ((field = mono_class_get_fields (klass, &iter))) {
12289 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
12291 if (mono_field_is_deleted (field))
12296 layout = klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK;
12298 /* The mempool is protected by the loader lock */
12299 info = mono_image_alloc0 (klass->image, MONO_SIZEOF_MARSHAL_TYPE + sizeof (MonoMarshalField) * count);
12300 info->num_fields = count;
12302 /* Try to find a size for this type in metadata */
12303 mono_metadata_packing_from_typedef (klass->image, klass->type_token, NULL, &native_size);
12305 if (klass->parent) {
12306 int parent_size = mono_class_native_size (klass->parent, NULL);
12308 /* Add parent size to real size */
12309 native_size += parent_size;
12310 info->native_size = parent_size;
12313 packing = klass->packing_size ? klass->packing_size : 8;
12316 while ((field = mono_class_get_fields (klass, &iter))) {
12320 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
12323 if (mono_field_is_deleted (field))
12325 if (field->type->attrs & FIELD_ATTRIBUTE_HAS_FIELD_MARSHAL)
12326 mono_metadata_field_info_with_mempool (klass->image, mono_metadata_token_index (mono_class_get_field_token (field)) - 1,
12327 NULL, NULL, &info->fields [j].mspec);
12329 info->fields [j].field = field;
12331 if ((mono_class_num_fields (klass) == 1) && (klass->instance_size == sizeof (MonoObject)) &&
12332 (strcmp (mono_field_get_name (field), "$PRIVATE$") == 0)) {
12333 /* This field is a hack inserted by MCS to empty structures */
12338 case TYPE_ATTRIBUTE_AUTO_LAYOUT:
12339 case TYPE_ATTRIBUTE_SEQUENTIAL_LAYOUT:
12340 size = mono_marshal_type_size (field->type, info->fields [j].mspec,
12341 &align, TRUE, klass->unicode);
12342 align = klass->packing_size ? MIN (klass->packing_size, align): align;
12343 min_align = MAX (align, min_align);
12344 info->fields [j].offset = info->native_size;
12345 info->fields [j].offset += align - 1;
12346 info->fields [j].offset &= ~(align - 1);
12347 info->native_size = info->fields [j].offset + size;
12349 case TYPE_ATTRIBUTE_EXPLICIT_LAYOUT:
12350 size = mono_marshal_type_size (field->type, info->fields [j].mspec,
12351 &align, TRUE, klass->unicode);
12352 min_align = MAX (align, min_align);
12353 info->fields [j].offset = field->offset - sizeof (MonoObject);
12354 info->native_size = MAX (info->native_size, info->fields [j].offset + size);
12360 if (layout != TYPE_ATTRIBUTE_AUTO_LAYOUT) {
12361 info->native_size = MAX (native_size, info->native_size);
12363 * If the provided Size is equal or larger than the calculated size, and there
12364 * was no Pack attribute, we set min_align to 1 to avoid native_size being increased
12366 if (layout == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) {
12367 if (native_size && native_size == info->native_size && klass->packing_size == 0)
12370 min_align = MIN (min_align, packing);
12374 if (info->native_size & (min_align - 1)) {
12375 info->native_size += min_align - 1;
12376 info->native_size &= ~(min_align - 1);
12379 info->min_align = min_align;
12381 /* Update the class's blittable info, if the layouts don't match */
12382 if (info->native_size != mono_class_value_size (klass, NULL))
12383 klass->blittable = FALSE;
12385 /* If this is an array type, ensure that we have element info */
12386 if (klass->rank && !mono_marshal_is_loading_type_info (klass->element_class)) {
12387 mono_marshal_load_type_info (klass->element_class);
12390 loads_list = mono_native_tls_get_value (load_type_info_tls_id);
12391 loads_list = g_slist_remove (loads_list, klass);
12392 mono_native_tls_set_value (load_type_info_tls_id, loads_list);
12394 mono_marshal_lock ();
12395 if (!klass->marshal_info) {
12396 /*We do double-checking locking on marshal_info */
12397 mono_memory_barrier ();
12398 klass->marshal_info = info;
12400 mono_marshal_unlock ();
12402 return klass->marshal_info;
12406 * mono_class_native_size:
12409 * Returns: the native size of an object instance (when marshaled
12410 * to unmanaged code)
12413 mono_class_native_size (MonoClass *klass, guint32 *align)
12415 if (!klass->marshal_info) {
12416 if (mono_marshal_is_loading_type_info (klass)) {
12421 mono_marshal_load_type_info (klass);
12426 *align = klass->marshal_info->min_align;
12428 return klass->marshal_info->native_size;
12432 * mono_type_native_stack_size:
12433 * @t: the type to return the size it uses on the stack
12435 * Returns: the number of bytes required to hold an instance of this
12436 * type on the native stack
12439 mono_type_native_stack_size (MonoType *t, guint32 *align)
12443 g_assert (t != NULL);
12449 *align = sizeof (gpointer);
12450 return sizeof (gpointer);
12454 case MONO_TYPE_BOOLEAN:
12455 case MONO_TYPE_CHAR:
12466 case MONO_TYPE_STRING:
12467 case MONO_TYPE_OBJECT:
12468 case MONO_TYPE_CLASS:
12469 case MONO_TYPE_SZARRAY:
12470 case MONO_TYPE_PTR:
12471 case MONO_TYPE_FNPTR:
12472 case MONO_TYPE_ARRAY:
12473 *align = sizeof (gpointer);
12474 return sizeof (gpointer);
12479 *align = MONO_ABI_ALIGNOF (double);
12483 *align = MONO_ABI_ALIGNOF (gint64);
12485 case MONO_TYPE_GENERICINST:
12486 if (!mono_type_generic_inst_is_valuetype (t)) {
12487 *align = sizeof (gpointer);
12488 return sizeof (gpointer);
12491 case MONO_TYPE_TYPEDBYREF:
12492 case MONO_TYPE_VALUETYPE: {
12494 MonoClass *klass = mono_class_from_mono_type (t);
12496 if (klass->enumtype)
12497 return mono_type_native_stack_size (mono_class_enum_basetype (klass), align);
12499 size = mono_class_native_size (klass, align);
12500 *align = *align + 3;
12510 g_error ("type 0x%02x unknown", t->type);
12516 mono_marshal_type_size (MonoType *type, MonoMarshalSpec *mspec, guint32 *align,
12517 gboolean as_field, gboolean unicode)
12519 MonoMarshalNative native_type = mono_type_to_unmanaged (type, mspec, as_field, unicode, NULL);
12522 switch (native_type) {
12523 case MONO_NATIVE_BOOLEAN:
12526 case MONO_NATIVE_I1:
12527 case MONO_NATIVE_U1:
12530 case MONO_NATIVE_I2:
12531 case MONO_NATIVE_U2:
12532 case MONO_NATIVE_VARIANTBOOL:
12535 case MONO_NATIVE_I4:
12536 case MONO_NATIVE_U4:
12537 case MONO_NATIVE_ERROR:
12540 case MONO_NATIVE_I8:
12541 case MONO_NATIVE_U8:
12542 *align = MONO_ABI_ALIGNOF (gint64);
12544 case MONO_NATIVE_R4:
12547 case MONO_NATIVE_R8:
12548 *align = MONO_ABI_ALIGNOF (double);
12550 case MONO_NATIVE_INT:
12551 case MONO_NATIVE_UINT:
12552 case MONO_NATIVE_LPSTR:
12553 case MONO_NATIVE_LPWSTR:
12554 case MONO_NATIVE_LPTSTR:
12555 case MONO_NATIVE_BSTR:
12556 case MONO_NATIVE_ANSIBSTR:
12557 case MONO_NATIVE_TBSTR:
12558 case MONO_NATIVE_LPARRAY:
12559 case MONO_NATIVE_SAFEARRAY:
12560 case MONO_NATIVE_IUNKNOWN:
12561 case MONO_NATIVE_IDISPATCH:
12562 case MONO_NATIVE_INTERFACE:
12563 case MONO_NATIVE_ASANY:
12564 case MONO_NATIVE_FUNC:
12565 case MONO_NATIVE_LPSTRUCT:
12566 *align = MONO_ABI_ALIGNOF (gpointer);
12567 return sizeof (gpointer);
12568 case MONO_NATIVE_STRUCT:
12569 klass = mono_class_from_mono_type (type);
12570 if (klass == mono_defaults.object_class &&
12571 (mspec && mspec->native == MONO_NATIVE_STRUCT)) {
12575 return mono_class_native_size (klass, align);
12576 case MONO_NATIVE_BYVALTSTR: {
12577 int esize = unicode ? 2: 1;
12580 return mspec->data.array_data.num_elem * esize;
12582 case MONO_NATIVE_BYVALARRAY: {
12583 // FIXME: Have to consider ArraySubType
12585 klass = mono_class_from_mono_type (type);
12586 if (klass->element_class == mono_defaults.char_class) {
12587 esize = unicode ? 2 : 1;
12590 esize = mono_class_native_size (klass->element_class, align);
12593 return mspec->data.array_data.num_elem * esize;
12595 case MONO_NATIVE_CUSTOM:
12596 *align = sizeof (gpointer);
12597 return sizeof (gpointer);
12599 case MONO_NATIVE_CURRENCY:
12600 case MONO_NATIVE_VBBYREFSTR:
12602 g_error ("native type %02x not implemented", native_type);
12605 g_assert_not_reached ();
12610 mono_marshal_asany (MonoObject *o, MonoMarshalNative string_encoding, int param_attrs)
12618 t = &o->vtable->klass->byval_arg;
12622 case MONO_TYPE_PTR:
12625 case MONO_TYPE_BOOLEAN:
12628 case MONO_TYPE_CHAR:
12633 return mono_object_unbox (o);
12635 case MONO_TYPE_STRING:
12636 switch (string_encoding) {
12637 case MONO_NATIVE_LPWSTR:
12638 return mono_marshal_string_to_utf16_copy ((MonoString*)o);
12640 case MONO_NATIVE_LPSTR:
12641 return mono_string_to_lpstr ((MonoString*)o);
12644 g_warning ("marshaling conversion %d not implemented", string_encoding);
12645 g_assert_not_reached ();
12648 case MONO_TYPE_CLASS:
12649 case MONO_TYPE_VALUETYPE: {
12650 MonoMethod *method;
12653 MonoBoolean delete_old = FALSE;
12655 klass = t->data.klass;
12657 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT)
12660 if (klass->valuetype && (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
12661 klass->blittable || klass->enumtype))
12662 return mono_object_unbox (o);
12664 res = mono_marshal_alloc (mono_class_native_size (klass, NULL));
12666 if (!((param_attrs & PARAM_ATTRIBUTE_OUT) && !(param_attrs & PARAM_ATTRIBUTE_IN))) {
12667 method = mono_marshal_get_struct_to_ptr (o->vtable->klass);
12671 pa [2] = &delete_old;
12673 mono_runtime_invoke (method, NULL, pa, NULL);
12680 mono_raise_exception (mono_get_exception_argument ("", "No PInvoke conversion exists for value passed to Object-typed parameter."));
12686 mono_marshal_free_asany (MonoObject *o, gpointer ptr, MonoMarshalNative string_encoding, int param_attrs)
12694 t = &o->vtable->klass->byval_arg;
12696 case MONO_TYPE_STRING:
12697 switch (string_encoding) {
12698 case MONO_NATIVE_LPWSTR:
12699 case MONO_NATIVE_LPSTR:
12700 mono_marshal_free (ptr);
12703 g_warning ("marshaling conversion %d not implemented", string_encoding);
12704 g_assert_not_reached ();
12707 case MONO_TYPE_CLASS:
12708 case MONO_TYPE_VALUETYPE: {
12709 klass = t->data.klass;
12711 if (klass->valuetype && (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
12712 klass->blittable || klass->enumtype))
12715 if (param_attrs & PARAM_ATTRIBUTE_OUT) {
12716 MonoMethod *method = mono_marshal_get_ptr_to_struct (o->vtable->klass);
12722 mono_runtime_invoke (method, NULL, pa, NULL);
12725 if (!((param_attrs & PARAM_ATTRIBUTE_OUT) && !(param_attrs & PARAM_ATTRIBUTE_IN))) {
12726 mono_struct_delete_old (klass, ptr);
12729 mono_marshal_free (ptr);
12738 mono_marshal_get_generic_array_helper (MonoClass *class, MonoClass *iface, gchar *name, MonoMethod *method)
12740 MonoMethodSignature *sig, *csig;
12741 MonoMethodBuilder *mb;
12746 mb = mono_mb_new_no_dup_name (class, name, MONO_WRAPPER_MANAGED_TO_MANAGED);
12747 mb->method->slot = -1;
12749 mb->method->flags = METHOD_ATTRIBUTE_PRIVATE | METHOD_ATTRIBUTE_VIRTUAL |
12750 METHOD_ATTRIBUTE_NEW_SLOT | METHOD_ATTRIBUTE_HIDE_BY_SIG | METHOD_ATTRIBUTE_FINAL;
12752 sig = mono_method_signature (method);
12753 csig = signature_dup (method->klass->image, sig);
12754 csig->generic_param_count = 0;
12756 #ifndef DISABLE_JIT
12757 mono_mb_emit_ldarg (mb, 0);
12758 for (i = 0; i < csig->param_count; i++)
12759 mono_mb_emit_ldarg (mb, i + 1);
12760 mono_mb_emit_managed_call (mb, method, NULL);
12761 mono_mb_emit_byte (mb, CEE_RET);
12763 /* We can corlib internal methods */
12764 mb->skip_visibility = TRUE;
12767 res = mono_mb_create_method (mb, csig, csig->param_count + 16);
12769 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_GENERIC_ARRAY_HELPER);
12770 info->d.generic_array_helper.method = method;
12771 mono_marshal_set_wrapper_info (res, info);
12779 * The mono_win32_compat_* functions are implementations of inline
12780 * Windows kernel32 APIs, which are DllImport-able under MS.NET,
12781 * although not exported by kernel32.
12783 * We map the appropiate kernel32 entries to these functions using
12784 * dllmaps declared in the global etc/mono/config.
12788 mono_win32_compat_CopyMemory (gpointer dest, gconstpointer source, gsize length)
12790 if (!dest || !source)
12793 memcpy (dest, source, length);
12797 mono_win32_compat_FillMemory (gpointer dest, gsize length, guchar fill)
12799 memset (dest, fill, length);
12803 mono_win32_compat_MoveMemory (gpointer dest, gconstpointer source, gsize length)
12805 if (!dest || !source)
12808 memmove (dest, source, length);
12812 mono_win32_compat_ZeroMemory (gpointer dest, gsize length)
12814 memset (dest, 0, length);
12818 mono_marshal_find_nonzero_bit_offset (guint8 *buf, int len, int *byte_offset, guint8 *bitmask)
12823 for (i = 0; i < len; ++i)
12827 g_assert (i < len);
12830 while (byte && !(byte & 1))
12832 g_assert (byte == 1);
12835 *bitmask = buf [i];
12839 mono_marshal_get_thunk_invoke_wrapper (MonoMethod *method)
12841 MonoMethodBuilder *mb;
12842 MonoMethodSignature *sig, *csig;
12843 MonoExceptionClause *clause;
12848 int i, param_count, sig_size, pos_leave;
12852 klass = method->klass;
12853 image = method->klass->image;
12854 cache = get_cache (&image->thunk_invoke_cache, mono_aligned_addr_hash, NULL);
12856 if ((res = mono_marshal_find_in_cache (cache, method)))
12859 sig = mono_method_signature (method);
12860 mb = mono_mb_new (klass, method->name, MONO_WRAPPER_NATIVE_TO_MANAGED);
12862 /* add "this" and exception param */
12863 param_count = sig->param_count + sig->hasthis + 1;
12865 /* dup & extend signature */
12866 csig = mono_metadata_signature_alloc (image, param_count);
12867 sig_size = MONO_SIZEOF_METHOD_SIGNATURE + sig->param_count * sizeof (MonoType *);
12868 memcpy (csig, sig, sig_size);
12869 csig->param_count = param_count;
12872 csig->call_convention = MONO_CALL_DEFAULT;
12874 if (sig->hasthis) {
12876 csig->params [0] = &klass->byval_arg;
12877 /* move params up by one */
12878 for (i = 0; i < sig->param_count; i++)
12879 csig->params [i + 1] = sig->params [i];
12882 /* setup exception param as byref+[out] */
12883 csig->params [param_count - 1] = mono_metadata_type_dup (image,
12884 &mono_defaults.exception_class->byval_arg);
12885 csig->params [param_count - 1]->byref = 1;
12886 csig->params [param_count - 1]->attrs = PARAM_ATTRIBUTE_OUT;
12888 /* convert struct return to object */
12889 if (MONO_TYPE_ISSTRUCT (sig->ret))
12890 csig->ret = &mono_defaults.object_class->byval_arg;
12892 #ifndef DISABLE_JIT
12893 /* local 0 (temp for exception object) */
12894 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
12896 /* local 1 (temp for result) */
12897 if (!MONO_TYPE_IS_VOID (sig->ret))
12898 mono_mb_add_local (mb, sig->ret);
12900 /* clear exception arg */
12901 mono_mb_emit_ldarg (mb, param_count - 1);
12902 mono_mb_emit_byte (mb, CEE_LDNULL);
12903 mono_mb_emit_byte (mb, CEE_STIND_REF);
12906 clause = mono_image_alloc0 (image, sizeof (MonoExceptionClause));
12907 clause->try_offset = mono_mb_get_label (mb);
12909 /* push method's args */
12910 for (i = 0; i < param_count - 1; i++) {
12914 mono_mb_emit_ldarg (mb, i);
12916 /* get the byval type of the param */
12917 klass = mono_class_from_mono_type (csig->params [i]);
12918 type = &klass->byval_arg;
12920 /* unbox struct args */
12921 if (MONO_TYPE_ISSTRUCT (type)) {
12922 mono_mb_emit_op (mb, CEE_UNBOX, klass);
12924 /* byref args & and the "this" arg must remain a ptr.
12925 Otherwise make a copy of the value type */
12926 if (!(csig->params [i]->byref || (i == 0 && sig->hasthis)))
12927 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
12929 csig->params [i] = &mono_defaults.object_class->byval_arg;
12934 if (method->flags & METHOD_ATTRIBUTE_VIRTUAL)
12935 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
12937 mono_mb_emit_op (mb, CEE_CALL, method);
12939 /* save result at local 1 */
12940 if (!MONO_TYPE_IS_VOID (sig->ret))
12941 mono_mb_emit_stloc (mb, 1);
12943 pos_leave = mono_mb_emit_branch (mb, CEE_LEAVE);
12946 clause->flags = MONO_EXCEPTION_CLAUSE_NONE;
12947 clause->try_len = mono_mb_get_pos (mb) - clause->try_offset;
12948 clause->data.catch_class = mono_defaults.object_class;
12950 clause->handler_offset = mono_mb_get_label (mb);
12952 /* store exception at local 0 */
12953 mono_mb_emit_stloc (mb, 0);
12954 mono_mb_emit_ldarg (mb, param_count - 1);
12955 mono_mb_emit_ldloc (mb, 0);
12956 mono_mb_emit_byte (mb, CEE_STIND_REF);
12957 mono_mb_emit_branch (mb, CEE_LEAVE);
12959 clause->handler_len = mono_mb_get_pos (mb) - clause->handler_offset;
12961 mono_mb_set_clauses (mb, 1, clause);
12963 mono_mb_patch_branch (mb, pos_leave);
12966 if (!MONO_TYPE_IS_VOID (sig->ret)) {
12967 mono_mb_emit_ldloc (mb, 1);
12969 /* box the return value */
12970 if (MONO_TYPE_ISSTRUCT (sig->ret))
12971 mono_mb_emit_op (mb, CEE_BOX, mono_class_from_mono_type (sig->ret));
12974 mono_mb_emit_byte (mb, CEE_RET);
12977 res = mono_mb_create_and_cache (cache, method, mb, csig, param_count + 16);
12984 * mono_marshal_free_dynamic_wrappers:
12986 * Free wrappers of the dynamic method METHOD.
12989 mono_marshal_free_dynamic_wrappers (MonoMethod *method)
12991 MonoImage *image = method->klass->image;
12993 g_assert (method_is_dynamic (method));
12995 /* This could be called during shutdown */
12996 if (marshal_mutex_initialized)
12997 mono_marshal_lock ();
12999 * FIXME: We currently leak the wrappers. Freeing them would be tricky as
13000 * they could be shared with other methods ?
13002 if (image->runtime_invoke_direct_cache)
13003 g_hash_table_remove (image->runtime_invoke_direct_cache, method);
13004 if (image->delegate_abstract_invoke_cache)
13005 g_hash_table_foreach_remove (image->delegate_abstract_invoke_cache, signature_method_pair_matches_method, method);
13006 // FIXME: Need to clear the caches in other images as well
13007 if (image->delegate_bound_static_invoke_cache)
13008 g_hash_table_remove (image->delegate_bound_static_invoke_cache, mono_method_signature (method));
13010 if (marshal_mutex_initialized)
13011 mono_marshal_unlock ();
13015 signature_method_pair_matches_signature (gpointer key, gpointer value, gpointer user_data)
13017 SignatureMethodPair *pair = (SignatureMethodPair*)key;
13018 MonoMethodSignature *sig = (MonoMethodSignature*)user_data;
13020 return mono_metadata_signature_equal (pair->sig, sig);
13024 * mono_marshal_free_inflated_wrappers:
13026 * Free wrappers of the inflated method METHOD.
13029 mono_marshal_free_inflated_wrappers (MonoMethod *method)
13031 MonoMethodSignature *sig = method->signature;
13033 g_assert (method->is_inflated);
13035 /* Ignore calls occuring late during cleanup. */
13036 if (!marshal_mutex_initialized)
13039 mono_marshal_lock ();
13041 * FIXME: We currently leak the wrappers. Freeing them would be tricky as
13042 * they could be shared with other methods ?
13046 * indexed by MonoMethodSignature
13048 /* FIXME: This could remove unrelated wrappers as well */
13049 if (sig && method->klass->image->delegate_begin_invoke_cache)
13050 g_hash_table_remove (method->klass->image->delegate_begin_invoke_cache, sig);
13051 if (sig && method->klass->image->delegate_end_invoke_cache)
13052 g_hash_table_remove (method->klass->image->delegate_end_invoke_cache, sig);
13053 if (sig && method->klass->image->delegate_invoke_cache)
13054 g_hash_table_remove (method->klass->image->delegate_invoke_cache, sig);
13055 if (sig && method->klass->image->runtime_invoke_cache)
13056 g_hash_table_remove (method->klass->image->runtime_invoke_cache, sig);
13057 if (sig && method->klass->image->runtime_invoke_vtype_cache)
13058 g_hash_table_remove (method->klass->image->runtime_invoke_vtype_cache, sig);
13061 * indexed by SignatureMethodPair
13063 if (sig && method->klass->image->delegate_abstract_invoke_cache)
13064 g_hash_table_foreach_remove (method->klass->image->delegate_abstract_invoke_cache,
13065 signature_method_pair_matches_signature, (gpointer)sig);
13068 * indexed by MonoMethod pointers
13070 if (method->klass->image->runtime_invoke_direct_cache)
13071 g_hash_table_remove (method->klass->image->runtime_invoke_direct_cache, method);
13072 if (method->klass->image->managed_wrapper_cache)
13073 g_hash_table_remove (method->klass->image->managed_wrapper_cache, method);
13074 if (method->klass->image->native_wrapper_cache)
13075 g_hash_table_remove (method->klass->image->native_wrapper_cache, method);
13076 if (method->klass->image->remoting_invoke_cache)
13077 g_hash_table_remove (method->klass->image->remoting_invoke_cache, method);
13078 if (method->klass->image->synchronized_cache)
13079 g_hash_table_remove (method->klass->image->synchronized_cache, method);
13080 if (method->klass->image->unbox_wrapper_cache)
13081 g_hash_table_remove (method->klass->image->unbox_wrapper_cache, method);
13082 if (method->klass->image->cominterop_invoke_cache)
13083 g_hash_table_remove (method->klass->image->cominterop_invoke_cache, method);
13084 if (method->klass->image->cominterop_wrapper_cache)
13085 g_hash_table_remove (method->klass->image->cominterop_wrapper_cache, method);
13086 if (method->klass->image->thunk_invoke_cache)
13087 g_hash_table_remove (method->klass->image->thunk_invoke_cache, method);
13088 if (method->klass->image->native_func_wrapper_aot_cache)
13089 g_hash_table_remove (method->klass->image->native_func_wrapper_aot_cache, method);
13091 mono_marshal_unlock ();