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 ();
2514 * Create a MonoMethod from MB, set INFO as wrapper info.
2517 mono_mb_create (MonoMethodBuilder *mb, MonoMethodSignature *sig,
2518 int max_stack, WrapperInfo *info)
2522 res = mono_mb_create_method (mb, sig, max_stack);
2524 mono_marshal_set_wrapper_info (res, info);
2528 /* Create the method from the builder and place it in the cache */
2530 mono_mb_create_and_cache_full (GHashTable *cache, gpointer key,
2531 MonoMethodBuilder *mb, MonoMethodSignature *sig,
2532 int max_stack, WrapperInfo *info, gboolean *out_found)
2539 mono_marshal_lock ();
2540 res = g_hash_table_lookup (cache, key);
2541 mono_marshal_unlock ();
2544 newm = mono_mb_create_method (mb, sig, max_stack);
2545 mono_marshal_lock ();
2546 res = g_hash_table_lookup (cache, key);
2549 g_hash_table_insert (cache, key, res);
2551 mono_marshal_set_wrapper_info (res, info);
2553 mono_marshal_set_wrapper_info (res, key);
2554 mono_marshal_unlock ();
2558 mono_marshal_unlock ();
2559 mono_free_method (newm);
2567 mono_mb_create_and_cache (GHashTable *cache, gpointer key,
2568 MonoMethodBuilder *mb, MonoMethodSignature *sig,
2571 return mono_mb_create_and_cache_full (cache, key, mb, sig, max_stack, NULL, NULL);
2574 static inline MonoMethod*
2575 mono_marshal_remoting_find_in_cache (MonoMethod *method, int wrapper_type)
2577 MonoMethod *res = NULL;
2578 MonoRemotingMethods *wrps;
2580 mono_marshal_lock ();
2581 if (method->klass->image->remoting_invoke_cache)
2582 wrps = g_hash_table_lookup (method->klass->image->remoting_invoke_cache, method);
2587 switch (wrapper_type) {
2588 case MONO_WRAPPER_REMOTING_INVOKE: res = wrps->invoke; break;
2589 case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK: res = wrps->invoke_with_check; break;
2590 case MONO_WRAPPER_XDOMAIN_INVOKE: res = wrps->xdomain_invoke; break;
2591 case MONO_WRAPPER_XDOMAIN_DISPATCH: res = wrps->xdomain_dispatch; break;
2595 /* it is important to do the unlock after the load from wrps, since in
2596 * mono_remoting_mb_create_and_cache () we drop the marshal lock to be able
2597 * to take the loader lock and some other thread may set the fields.
2599 mono_marshal_unlock ();
2603 /* Create the method from the builder and place it in the cache */
2604 static inline MonoMethod*
2605 mono_remoting_mb_create_and_cache (MonoMethod *key, MonoMethodBuilder *mb,
2606 MonoMethodSignature *sig, int max_stack)
2608 MonoMethod **res = NULL;
2609 MonoRemotingMethods *wrps;
2610 GHashTable *cache = get_cache_full (&key->klass->image->remoting_invoke_cache, mono_aligned_addr_hash, NULL, NULL, g_free);
2612 mono_marshal_lock ();
2613 wrps = g_hash_table_lookup (cache, key);
2615 wrps = g_new0 (MonoRemotingMethods, 1);
2616 g_hash_table_insert (cache, key, wrps);
2619 switch (mb->method->wrapper_type) {
2620 case MONO_WRAPPER_REMOTING_INVOKE: res = &wrps->invoke; break;
2621 case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK: res = &wrps->invoke_with_check; break;
2622 case MONO_WRAPPER_XDOMAIN_INVOKE: res = &wrps->xdomain_invoke; break;
2623 case MONO_WRAPPER_XDOMAIN_DISPATCH: res = &wrps->xdomain_dispatch; break;
2624 default: g_assert_not_reached (); break;
2626 mono_marshal_unlock ();
2630 newm = mono_mb_create_method (mb, sig, max_stack);
2632 mono_marshal_lock ();
2635 mono_marshal_set_wrapper_info (*res, key);
2636 mono_marshal_unlock ();
2638 mono_marshal_unlock ();
2639 mono_free_method (newm);
2647 mono_marshal_method_from_wrapper (MonoMethod *wrapper)
2650 int wrapper_type = wrapper->wrapper_type;
2653 if (wrapper_type == MONO_WRAPPER_NONE || wrapper_type == MONO_WRAPPER_DYNAMIC_METHOD)
2656 switch (wrapper_type) {
2657 case MONO_WRAPPER_REMOTING_INVOKE:
2658 case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK:
2659 case MONO_WRAPPER_XDOMAIN_INVOKE:
2660 case MONO_WRAPPER_SYNCHRONIZED:
2661 case MONO_WRAPPER_UNBOX:
2662 res = mono_marshal_get_wrapper_info (wrapper);
2665 if (wrapper->is_inflated)
2667 * A method cannot be inflated and a wrapper at the same time, so the wrapper info
2668 * contains an uninflated method.
2670 return mono_class_inflate_generic_method (res, mono_method_get_context (wrapper));
2673 case MONO_WRAPPER_MANAGED_TO_NATIVE:
2674 info = mono_marshal_get_wrapper_info (wrapper);
2675 if (info && (info->subtype == WRAPPER_SUBTYPE_NONE || info->subtype == WRAPPER_SUBTYPE_NATIVE_FUNC_AOT || info->subtype == WRAPPER_SUBTYPE_PINVOKE))
2676 return info->d.managed_to_native.method;
2679 case MONO_WRAPPER_RUNTIME_INVOKE:
2680 info = mono_marshal_get_wrapper_info (wrapper);
2681 if (info && (info->subtype == WRAPPER_SUBTYPE_RUNTIME_INVOKE_DIRECT || info->subtype == WRAPPER_SUBTYPE_RUNTIME_INVOKE_VIRTUAL))
2682 return info->d.runtime_invoke.method;
2691 * mono_marshal_get_wrapper_info:
2693 * Retrieve the pointer stored by mono_marshal_set_wrapper_info. The type of data
2694 * returned depends on the wrapper type. It is usually a method, a class, or a
2695 * WrapperInfo structure.
2698 mono_marshal_get_wrapper_info (MonoMethod *wrapper)
2700 g_assert (wrapper->wrapper_type);
2702 return mono_method_get_wrapper_data (wrapper, 1);
2706 * mono_marshal_set_wrapper_info:
2708 * Store an arbitrary pointer inside the wrapper which is retrievable by
2709 * mono_marshal_get_wrapper_info. The format of the data depends on the type of the
2710 * wrapper (method->wrapper_type).
2713 mono_marshal_set_wrapper_info (MonoMethod *method, gpointer data)
2717 if (method->wrapper_type == MONO_WRAPPER_NONE || method->wrapper_type == MONO_WRAPPER_DYNAMIC_METHOD)
2720 datav = ((MonoMethodWrapper *)method)->method_data;
2725 mono_wrapper_info_create (MonoMethodBuilder *mb, WrapperSubtype subtype)
2729 info = mono_image_alloc0 (mb->method->klass->image, sizeof (WrapperInfo));
2730 info->subtype = subtype;
2735 * get_wrapper_target_class:
2737 * Return the class where a wrapper method should be placed.
2740 get_wrapper_target_class (MonoImage *image)
2746 * - can't put all wrappers into an mscorlib class, because they reference
2747 * metadata (signature) so they should be put into the same image as the
2748 * method they wrap, so they are unloaded together.
2749 * - putting them into a class with a type initalizer could cause the
2750 * initializer to be executed which can be a problem if the wrappers are
2752 * - putting them into an inflated class can cause problems if the the
2753 * class is deleted because it references an image which is unloaded.
2754 * To avoid these problems, we put the wrappers into the <Module> class of
2757 if (image_is_dynamic (image))
2758 klass = ((MonoDynamicImage*)image)->wrappers_type;
2760 klass = mono_class_get (image, mono_metadata_make_token (MONO_TABLE_TYPEDEF, 1));
2767 * Wrappers for generic methods should be instances of generic wrapper methods, i.e .the wrapper for Sort<int> should be
2768 * an instance of the wrapper for Sort<T>. This is required for full-aot to work.
2772 * check_generic_wrapper_cache:
2774 * Check CACHE for the wrapper of the generic instance ORIG_METHOD, and return it if it is found.
2775 * KEY should be the key for ORIG_METHOD in the cache, while DEF_KEY should be the key of its
2776 * generic method definition.
2779 check_generic_wrapper_cache (GHashTable *cache, MonoMethod *orig_method, gpointer key, gpointer def_key)
2782 MonoMethod *inst, *def;
2783 MonoGenericContext *ctx;
2784 MonoMethod *def_method;
2786 g_assert (orig_method->is_inflated);
2787 def_method = ((MonoMethodInflated*)orig_method)->declaring;
2788 ctx = mono_method_get_context (orig_method);
2791 * Look for the instance
2793 res = mono_marshal_find_in_cache (cache, key);
2798 * Look for the definition
2800 def = mono_marshal_find_in_cache (cache, def_key);
2802 inst = mono_class_inflate_generic_method (def, ctx);
2804 mono_memory_barrier ();
2805 mono_marshal_lock ();
2806 res = g_hash_table_lookup (cache, key);
2808 g_hash_table_insert (cache, key, inst);
2811 mono_marshal_unlock ();
2818 cache_generic_wrapper (GHashTable *cache, MonoMethod *orig_method, MonoMethod *def, MonoGenericContext *ctx, gpointer key)
2820 MonoMethod *inst, *res;
2823 * We use the same cache for the generic definition and the instances.
2825 inst = mono_class_inflate_generic_method (def, ctx);
2826 mono_memory_barrier ();
2827 mono_marshal_lock ();
2828 res = g_hash_table_lookup (cache, key);
2830 g_hash_table_insert (cache, key, inst);
2833 mono_marshal_unlock ();
2838 check_generic_delegate_wrapper_cache (GHashTable *cache, MonoMethod *orig_method, MonoMethod *def_method, MonoGenericContext *ctx)
2841 MonoMethod *inst, *def;
2844 * Look for the instance
2846 res = mono_marshal_find_in_cache (cache, orig_method->klass);
2851 * Look for the definition
2853 def = mono_marshal_find_in_cache (cache, def_method->klass);
2855 inst = mono_class_inflate_generic_method (def, ctx);
2857 mono_memory_barrier ();
2858 mono_marshal_lock ();
2859 res = g_hash_table_lookup (cache, orig_method->klass);
2861 g_hash_table_insert (cache, orig_method->klass, inst);
2864 mono_marshal_unlock ();
2871 cache_generic_delegate_wrapper (GHashTable *cache, MonoMethod *orig_method, MonoMethod *def, MonoGenericContext *ctx)
2873 MonoMethod *inst, *res;
2876 * We use the same cache for the generic definition and the instances.
2878 inst = mono_class_inflate_generic_method (def, ctx);
2879 mono_memory_barrier ();
2880 mono_marshal_lock ();
2881 res = g_hash_table_lookup (cache, orig_method->klass);
2883 g_hash_table_insert (cache, orig_method->klass, inst);
2886 mono_marshal_unlock ();
2891 mono_marshal_get_delegate_begin_invoke (MonoMethod *method)
2893 MonoMethodSignature *sig;
2894 MonoMethodBuilder *mb;
2899 MonoGenericContext *ctx = NULL;
2900 MonoMethod *orig_method = NULL;
2902 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
2903 !strcmp (method->name, "BeginInvoke"));
2906 * For generic delegates, create a generic wrapper, and returns an instance to help AOT.
2908 if (method->is_inflated) {
2909 orig_method = method;
2910 ctx = &((MonoMethodInflated*)method)->context;
2911 method = ((MonoMethodInflated*)method)->declaring;
2914 sig = mono_signature_no_pinvoke (method);
2920 cache = get_cache (&method->klass->image->delegate_begin_invoke_generic_cache, mono_aligned_addr_hash, NULL);
2921 res = check_generic_delegate_wrapper_cache (cache, orig_method, method, ctx);
2925 cache = get_cache (&method->klass->image->delegate_begin_invoke_cache,
2926 (GHashFunc)mono_signature_hash,
2927 (GCompareFunc)mono_metadata_signature_equal);
2928 if ((res = mono_marshal_find_in_cache (cache, sig)))
2932 g_assert (sig->hasthis);
2934 name = mono_signature_to_name (sig, "begin_invoke");
2936 mb = mono_mb_new (method->klass, name, MONO_WRAPPER_DELEGATE_BEGIN_INVOKE);
2938 mb = mono_mb_new (get_wrapper_target_class (method->klass->image), name, MONO_WRAPPER_DELEGATE_BEGIN_INVOKE);
2942 params_var = mono_mb_emit_save_args (mb, sig, FALSE);
2944 mono_mb_emit_ldarg (mb, 0);
2945 mono_mb_emit_ldloc (mb, params_var);
2946 mono_mb_emit_icall (mb, mono_delegate_begin_invoke);
2947 mono_mb_emit_byte (mb, CEE_RET);
2952 def = mono_mb_create_and_cache (cache, method->klass, mb, sig, sig->param_count + 16);
2953 res = cache_generic_delegate_wrapper (cache, orig_method, def, ctx);
2955 res = mono_mb_create_and_cache (cache, sig, mb, sig, sig->param_count + 16);
2963 mono_delegate_end_invoke (MonoDelegate *delegate, gpointer *params)
2965 MonoDomain *domain = mono_domain_get ();
2966 MonoAsyncResult *ares;
2967 MonoMethod *method = NULL;
2968 MonoMethodSignature *sig;
2969 MonoMethodMessage *msg;
2970 MonoObject *res, *exc;
2971 MonoArray *out_args;
2974 g_assert (delegate);
2976 if (!delegate->method_info) {
2977 g_assert (delegate->method);
2978 MONO_OBJECT_SETREF (delegate, method_info, mono_method_get_object (domain, delegate->method, NULL));
2981 if (!delegate->method_info || !delegate->method_info->method)
2982 g_assert_not_reached ();
2984 klass = delegate->object.vtable->klass;
2986 method = mono_class_get_method_from_name (klass, "EndInvoke", -1);
2987 g_assert (method != NULL);
2989 sig = mono_signature_no_pinvoke (method);
2991 msg = mono_method_call_message_new (method, params, NULL, NULL, NULL);
2993 ares = mono_array_get (msg->args, gpointer, sig->param_count - 1);
2995 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."));
2999 if (ares->async_delegate != (MonoObject*)delegate) {
3000 mono_raise_exception (mono_get_exception_invalid_operation (
3001 "The IAsyncResult object provided does not match this delegate."));
3005 #ifndef DISABLE_REMOTING
3006 if (delegate->target && mono_object_is_transparent_proxy (delegate->target)) {
3007 MonoTransparentProxy* tp = (MonoTransparentProxy *)delegate->target;
3008 msg = (MonoMethodMessage *)mono_object_new (domain, mono_defaults.mono_method_message_class);
3009 mono_message_init (domain, msg, delegate->method_info, NULL);
3010 msg->call_type = CallType_EndInvoke;
3011 MONO_OBJECT_SETREF (msg, async_result, ares);
3012 res = mono_remoting_invoke ((MonoObject *)tp->rp, msg, &exc, &out_args);
3016 res = mono_thread_pool_finish (ares, &out_args, &exc);
3020 if (((MonoException*)exc)->stack_trace) {
3021 char *strace = mono_string_to_utf8 (((MonoException*)exc)->stack_trace);
3023 tmp = g_strdup_printf ("%s\nException Rethrown at:\n", strace);
3025 MONO_OBJECT_SETREF (((MonoException*)exc), stack_trace, mono_string_new (domain, tmp));
3028 mono_raise_exception ((MonoException*)exc);
3031 mono_method_return_message_restore (method, params, out_args);
3038 mono_mb_emit_restore_result (MonoMethodBuilder *mb, MonoType *return_type)
3040 MonoType *t = mono_type_get_underlying_type (return_type);
3042 if (return_type->byref)
3043 return_type = &mono_defaults.int_class->byval_arg;
3046 case MONO_TYPE_VOID:
3047 g_assert_not_reached ();
3050 case MONO_TYPE_STRING:
3051 case MONO_TYPE_CLASS:
3052 case MONO_TYPE_OBJECT:
3053 case MONO_TYPE_ARRAY:
3054 case MONO_TYPE_SZARRAY:
3058 case MONO_TYPE_BOOLEAN:
3061 case MONO_TYPE_CHAR:
3071 mono_mb_emit_op (mb, CEE_UNBOX, mono_class_from_mono_type (return_type));
3072 mono_mb_emit_byte (mb, mono_type_to_ldind (return_type));
3074 case MONO_TYPE_GENERICINST:
3075 if (!mono_type_generic_inst_is_valuetype (t))
3078 case MONO_TYPE_VALUETYPE: {
3079 MonoClass *klass = mono_class_from_mono_type (return_type);
3080 mono_mb_emit_op (mb, CEE_UNBOX, klass);
3081 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
3085 case MONO_TYPE_MVAR: {
3086 MonoClass *klass = mono_class_from_mono_type (return_type);
3087 mono_mb_emit_op (mb, CEE_UNBOX_ANY, klass);
3091 g_warning ("type 0x%x not handled", return_type->type);
3092 g_assert_not_reached ();
3095 mono_mb_emit_byte (mb, CEE_RET);
3098 #endif /* DISABLE_JIT */
3101 mono_marshal_get_delegate_end_invoke (MonoMethod *method)
3103 MonoMethodSignature *sig;
3104 MonoMethodBuilder *mb;
3109 MonoGenericContext *ctx = NULL;
3110 MonoMethod *orig_method = NULL;
3112 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
3113 !strcmp (method->name, "EndInvoke"));
3116 * For generic delegates, create a generic wrapper, and returns an instance to help AOT.
3118 if (method->is_inflated) {
3119 orig_method = method;
3120 ctx = &((MonoMethodInflated*)method)->context;
3121 method = ((MonoMethodInflated*)method)->declaring;
3124 sig = mono_signature_no_pinvoke (method);
3130 cache = get_cache (&method->klass->image->delegate_end_invoke_generic_cache, mono_aligned_addr_hash, NULL);
3131 res = check_generic_delegate_wrapper_cache (cache, orig_method, method, ctx);
3135 cache = get_cache (&method->klass->image->delegate_end_invoke_cache,
3136 (GHashFunc)mono_signature_hash,
3137 (GCompareFunc)mono_metadata_signature_equal);
3138 if ((res = mono_marshal_find_in_cache (cache, sig)))
3142 g_assert (sig->hasthis);
3144 name = mono_signature_to_name (sig, "end_invoke");
3146 mb = mono_mb_new (method->klass, name, MONO_WRAPPER_DELEGATE_END_INVOKE);
3148 mb = mono_mb_new (get_wrapper_target_class (method->klass->image), name, MONO_WRAPPER_DELEGATE_END_INVOKE);
3152 params_var = mono_mb_emit_save_args (mb, sig, FALSE);
3154 mono_mb_emit_ldarg (mb, 0);
3155 mono_mb_emit_ldloc (mb, params_var);
3156 mono_mb_emit_icall (mb, mono_delegate_end_invoke);
3158 if (sig->ret->type == MONO_TYPE_VOID) {
3159 mono_mb_emit_byte (mb, CEE_POP);
3160 mono_mb_emit_byte (mb, CEE_RET);
3162 mono_mb_emit_restore_result (mb, sig->ret);
3167 def = mono_mb_create_and_cache (cache, method->klass, mb, sig, sig->param_count + 16);
3168 res = cache_generic_delegate_wrapper (cache, orig_method, def, ctx);
3170 res = mono_mb_create_and_cache (cache, sig,
3171 mb, sig, sig->param_count + 16);
3178 #ifndef DISABLE_REMOTING
3181 mono_remoting_wrapper (MonoMethod *method, gpointer *params)
3183 MonoMethodMessage *msg;
3184 MonoTransparentProxy *this;
3185 MonoObject *res, *exc;
3186 MonoArray *out_args;
3188 this = *((MonoTransparentProxy **)params [0]);
3191 g_assert (((MonoObject *)this)->vtable->klass == mono_defaults.transparent_proxy_class);
3193 /* skip the this pointer */
3196 if (mono_class_is_contextbound (this->remote_class->proxy_class) && this->rp->context == (MonoObject *) mono_context_get ())
3199 MonoMethodSignature *sig = mono_method_signature (method);
3200 int count = sig->param_count;
3201 gpointer* mparams = (gpointer*) alloca(count*sizeof(gpointer));
3203 for (i=0; i<count; i++) {
3204 MonoClass *class = mono_class_from_mono_type (sig->params [i]);
3205 if (class->valuetype) {
3206 if (sig->params [i]->byref) {
3207 mparams[i] = *((gpointer *)params [i]);
3209 /* runtime_invoke expects a boxed instance */
3210 if (mono_class_is_nullable (mono_class_from_mono_type (sig->params [i])))
3211 mparams[i] = mono_nullable_box (params [i], class);
3213 mparams[i] = params [i];
3216 mparams[i] = *((gpointer**)params [i]);
3220 return mono_runtime_invoke (method, method->klass->valuetype? mono_object_unbox ((MonoObject*)this): this, mparams, NULL);
3223 msg = mono_method_call_message_new (method, params, NULL, NULL, NULL);
3225 res = mono_remoting_invoke ((MonoObject *)this->rp, msg, &exc, &out_args);
3228 mono_raise_exception ((MonoException *)exc);
3230 mono_method_return_message_restore (method, params, out_args);
3236 mono_marshal_get_remoting_invoke (MonoMethod *method)
3238 MonoMethodSignature *sig;
3239 MonoMethodBuilder *mb;
3245 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE || method->wrapper_type == MONO_WRAPPER_XDOMAIN_INVOKE)
3248 /* this seems to be the best plase to put this, as all remoting invokes seem to get filtered through here */
3250 if (mono_class_is_com_object (method->klass) || method->klass == mono_class_get_com_object_class ()) {
3251 MonoVTable *vtable = mono_class_vtable (mono_domain_get (), method->klass);
3252 g_assert (vtable); /*FIXME do proper error handling*/
3254 if (!mono_vtable_is_remote (vtable)) {
3255 return mono_cominterop_get_invoke (method);
3260 sig = mono_signature_no_pinvoke (method);
3262 /* we cant remote methods without this pointer */
3266 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_REMOTING_INVOKE)))
3269 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_REMOTING_INVOKE);
3272 mb->method->save_lmf = 1;
3274 params_var = mono_mb_emit_save_args (mb, sig, TRUE);
3276 mono_mb_emit_ptr (mb, method);
3277 mono_mb_emit_ldloc (mb, params_var);
3278 mono_mb_emit_icall (mb, mono_remoting_wrapper);
3279 emit_thread_interrupt_checkpoint (mb);
3281 if (sig->ret->type == MONO_TYPE_VOID) {
3282 mono_mb_emit_byte (mb, CEE_POP);
3283 mono_mb_emit_byte (mb, CEE_RET);
3285 mono_mb_emit_restore_result (mb, sig->ret);
3289 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16);
3295 #endif /* DISABLE_REMOTING */
3298 /* mono_get_xdomain_marshal_type()
3299 * Returns the kind of marshalling that a type needs for cross domain calls.
3301 static MonoXDomainMarshalType
3302 mono_get_xdomain_marshal_type (MonoType *t)
3305 case MONO_TYPE_VOID:
3306 g_assert_not_reached ();
3310 case MONO_TYPE_BOOLEAN:
3313 case MONO_TYPE_CHAR:
3320 return MONO_MARSHAL_NONE;
3321 case MONO_TYPE_STRING:
3322 return MONO_MARSHAL_COPY;
3323 case MONO_TYPE_ARRAY:
3324 case MONO_TYPE_SZARRAY: {
3325 MonoClass *elem_class = mono_class_from_mono_type (t)->element_class;
3326 if (mono_get_xdomain_marshal_type (&(elem_class->byval_arg)) != MONO_MARSHAL_SERIALIZE)
3327 return MONO_MARSHAL_COPY;
3332 return MONO_MARSHAL_SERIALIZE;
3336 /* mono_marshal_xdomain_copy_value
3337 * Makes a copy of "val" suitable for the current domain.
3340 mono_marshal_xdomain_copy_value (MonoObject *val)
3343 if (val == NULL) return NULL;
3345 domain = mono_domain_get ();
3347 switch (mono_object_class (val)->byval_arg.type) {
3348 case MONO_TYPE_VOID:
3349 g_assert_not_reached ();
3353 case MONO_TYPE_BOOLEAN:
3356 case MONO_TYPE_CHAR:
3362 case MONO_TYPE_R8: {
3363 return mono_value_box (domain, mono_object_class (val), ((char*)val) + sizeof(MonoObject));
3365 case MONO_TYPE_STRING: {
3366 MonoString *str = (MonoString *) val;
3367 return (MonoObject *) mono_string_new_utf16 (domain, mono_string_chars (str), mono_string_length (str));
3369 case MONO_TYPE_ARRAY:
3370 case MONO_TYPE_SZARRAY: {
3372 MonoXDomainMarshalType mt = mono_get_xdomain_marshal_type (&(mono_object_class (val)->element_class->byval_arg));
3373 if (mt == MONO_MARSHAL_SERIALIZE) return NULL;
3374 acopy = mono_array_clone_in_domain (domain, (MonoArray *) val);
3375 if (mt == MONO_MARSHAL_COPY) {
3376 int i, len = mono_array_length (acopy);
3377 for (i = 0; i < len; i++) {
3378 MonoObject *item = mono_array_get (acopy, gpointer, i);
3379 mono_array_setref (acopy, i, mono_marshal_xdomain_copy_value (item));
3382 return (MonoObject *) acopy;
3386 if (mono_object_class (val) == mono_defaults.stringbuilder_class) {
3387 MonoStringBuilder *oldsb = (MonoStringBuilder *) val;
3388 MonoStringBuilder *newsb = (MonoStringBuilder *) mono_object_new (domain, mono_defaults.stringbuilder_class);
3389 MONO_OBJECT_SETREF (newsb, str, mono_string_new_utf16 (domain, mono_string_chars (oldsb->str), mono_string_length (oldsb->str)));
3390 newsb->length = oldsb->length;
3391 newsb->max_capacity = (gint32)0x7fffffff;
3392 return (MonoObject *) newsb;
3397 /* mono_marshal_xdomain_copy_out_value()
3398 * Copies the contents of the src instance into the dst instance. src and dst
3399 * must have the same type, and if they are arrays, the same size.
3402 mono_marshal_xdomain_copy_out_value (MonoObject *src, MonoObject *dst)
3404 if (src == NULL || dst == NULL) return;
3406 g_assert (mono_object_class (src) == mono_object_class (dst));
3408 switch (mono_object_class (src)->byval_arg.type) {
3409 case MONO_TYPE_ARRAY:
3410 case MONO_TYPE_SZARRAY: {
3411 int mt = mono_get_xdomain_marshal_type (&(mono_object_class (src)->element_class->byval_arg));
3412 if (mt == MONO_MARSHAL_SERIALIZE) return;
3413 if (mt == MONO_MARSHAL_COPY) {
3414 int i, len = mono_array_length ((MonoArray *)dst);
3415 for (i = 0; i < len; i++) {
3416 MonoObject *item = mono_array_get ((MonoArray *)src, gpointer, i);
3417 mono_array_setref ((MonoArray *)dst, i, mono_marshal_xdomain_copy_value (item));
3420 mono_array_full_copy ((MonoArray *)src, (MonoArray *)dst);
3426 if (mono_object_class (src) == mono_defaults.stringbuilder_class) {
3427 MonoStringBuilder *src_sb = (MonoStringBuilder *) src;
3428 MonoStringBuilder *dst_sb = (MonoStringBuilder *) dst;
3430 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)));
3431 dst_sb->cached_str = NULL;
3432 dst_sb->length = src_sb->length;
3437 #if !(defined (DISABLE_JIT) || defined (DISABLE_REMOTING))
3440 mono_marshal_emit_xdomain_copy_value (MonoMethodBuilder *mb, MonoClass *pclass)
3442 mono_mb_emit_icall (mb, mono_marshal_xdomain_copy_value);
3443 mono_mb_emit_op (mb, CEE_CASTCLASS, pclass);
3447 mono_marshal_emit_xdomain_copy_out_value (MonoMethodBuilder *mb, MonoClass *pclass)
3449 mono_mb_emit_icall (mb, mono_marshal_xdomain_copy_out_value);
3453 #ifndef DISABLE_REMOTING
3454 /* mono_marshal_supports_fast_xdomain()
3455 * Returns TRUE if the method can use the fast xdomain wrapper.
3458 mono_marshal_supports_fast_xdomain (MonoMethod *method)
3460 return !mono_class_is_contextbound (method->klass) &&
3461 !((method->flags & METHOD_ATTRIBUTE_SPECIAL_NAME) && (strcmp (".ctor", method->name) == 0));
3466 mono_marshal_set_domain_by_id (gint32 id, MonoBoolean push)
3468 MonoDomain *current_domain = mono_domain_get ();
3469 MonoDomain *domain = mono_domain_get_by_id (id);
3471 if (!domain || !mono_domain_set (domain, FALSE))
3472 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
3475 mono_thread_push_appdomain_ref (domain);
3477 mono_thread_pop_appdomain_ref ();
3479 return current_domain->domain_id;
3482 #if !(defined (DISABLE_JIT) || defined (DISABLE_REMOTING))
3484 mono_marshal_emit_switch_domain (MonoMethodBuilder *mb)
3486 mono_mb_emit_icall (mb, mono_marshal_set_domain_by_id);
3489 /* mono_marshal_emit_load_domain_method ()
3490 * Loads into the stack a pointer to the code of the provided method for
3491 * the current domain.
3494 mono_marshal_emit_load_domain_method (MonoMethodBuilder *mb, MonoMethod *method)
3496 /* We need a pointer to the method for the running domain (not the domain
3497 * that compiles the method).
3499 mono_mb_emit_ptr (mb, method);
3500 mono_mb_emit_icall (mb, mono_compile_method);
3504 /* mono_marshal_check_domain_image ()
3505 * Returns TRUE if the image is loaded in the specified
3506 * application domain.
3509 mono_marshal_check_domain_image (gint32 domain_id, MonoImage *image)
3514 MonoDomain *domain = mono_domain_get_by_id (domain_id);
3518 mono_domain_assemblies_lock (domain);
3519 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
3521 if (ass->image == image)
3524 mono_domain_assemblies_unlock (domain);
3529 #ifndef DISABLE_REMOTING
3531 /* mono_marshal_get_xappdomain_dispatch ()
3532 * Generates a method that dispatches a method call from another domain into
3533 * the current domain.
3536 mono_marshal_get_xappdomain_dispatch (MonoMethod *method, int *marshal_types, int complex_count, int complex_out_count, int ret_marshal_type)
3538 MonoMethodSignature *sig, *csig;
3539 MonoMethodBuilder *mb;
3541 int i, j, param_index, copy_locals_base;
3542 MonoClass *ret_class = NULL;
3543 int loc_array=0, loc_return=0, loc_serialized_exc=0;
3544 MonoExceptionClause *main_clause;
3546 gboolean copy_return;
3548 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_XDOMAIN_DISPATCH)))
3551 sig = mono_method_signature (method);
3552 copy_return = (sig->ret->type != MONO_TYPE_VOID && ret_marshal_type != MONO_MARSHAL_SERIALIZE);
3555 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3 + sig->param_count - complex_count);
3556 csig->params [j++] = &mono_defaults.object_class->byval_arg;
3557 csig->params [j++] = &byte_array_class->this_arg;
3558 csig->params [j++] = &byte_array_class->this_arg;
3559 for (i = 0; i < sig->param_count; i++) {
3560 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE)
3561 csig->params [j++] = sig->params [i];
3564 csig->ret = sig->ret;
3566 csig->ret = &mono_defaults.void_class->byval_arg;
3568 csig->hasthis = FALSE;
3570 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_XDOMAIN_DISPATCH);
3571 mb->method->save_lmf = 1;
3576 loc_serialized_exc = mono_mb_add_local (mb, &byte_array_class->byval_arg);
3577 if (complex_count > 0)
3578 loc_array = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3579 if (sig->ret->type != MONO_TYPE_VOID) {
3580 loc_return = mono_mb_add_local (mb, sig->ret);
3581 ret_class = mono_class_from_mono_type (sig->ret);
3586 main_clause = mono_image_alloc0 (method->klass->image, sizeof (MonoExceptionClause));
3587 main_clause->try_offset = mono_mb_get_label (mb);
3589 /* Clean the call context */
3591 mono_mb_emit_byte (mb, CEE_LDNULL);
3592 mono_mb_emit_managed_call (mb, method_set_call_context, NULL);
3593 mono_mb_emit_byte (mb, CEE_POP);
3595 /* Deserialize call data */
3597 mono_mb_emit_ldarg (mb, 1);
3598 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3599 mono_mb_emit_byte (mb, CEE_DUP);
3600 pos = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
3602 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
3603 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
3605 if (complex_count > 0)
3606 mono_mb_emit_stloc (mb, loc_array);
3608 mono_mb_emit_byte (mb, CEE_POP);
3610 mono_mb_patch_short_branch (mb, pos);
3612 /* Get the target object */
3614 mono_mb_emit_ldarg (mb, 0);
3615 mono_mb_emit_managed_call (mb, method_rs_appdomain_target, NULL);
3617 /* Load the arguments */
3619 copy_locals_base = mb->locals;
3620 param_index = 3; // Index of the first non-serialized parameter of this wrapper
3622 for (i = 0; i < sig->param_count; i++) {
3623 MonoType *pt = sig->params [i];
3624 MonoClass *pclass = mono_class_from_mono_type (pt);
3625 switch (marshal_types [i]) {
3626 case MONO_MARSHAL_SERIALIZE: {
3627 /* take the value from the serialized array */
3628 mono_mb_emit_ldloc (mb, loc_array);
3629 mono_mb_emit_icon (mb, j++);
3631 if (pclass->valuetype) {
3632 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3633 mono_mb_emit_op (mb, CEE_UNBOX, pclass);
3635 mono_mb_emit_op (mb, CEE_LDELEMA, pclass);
3638 if (pclass->valuetype) {
3639 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3640 mono_mb_emit_op (mb, CEE_UNBOX, pclass);
3641 mono_mb_emit_op (mb, CEE_LDOBJ, pclass);
3643 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3644 if (pclass != mono_defaults.object_class) {
3645 mono_mb_emit_op (mb, CEE_CASTCLASS, pclass);
3651 case MONO_MARSHAL_COPY_OUT: {
3652 /* Keep a local copy of the value since we need to copy it back after the call */
3653 int copy_local = mono_mb_add_local (mb, &(pclass->byval_arg));
3654 mono_mb_emit_ldarg (mb, param_index++);
3655 mono_marshal_emit_xdomain_copy_value (mb, pclass);
3656 mono_mb_emit_byte (mb, CEE_DUP);
3657 mono_mb_emit_stloc (mb, copy_local);
3660 case MONO_MARSHAL_COPY: {
3661 mono_mb_emit_ldarg (mb, param_index);
3663 mono_mb_emit_byte (mb, CEE_DUP);
3664 mono_mb_emit_byte (mb, CEE_DUP);
3665 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3666 mono_marshal_emit_xdomain_copy_value (mb, pclass);
3667 mono_mb_emit_byte (mb, CEE_STIND_REF);
3669 mono_marshal_emit_xdomain_copy_value (mb, pclass);
3674 case MONO_MARSHAL_NONE:
3675 mono_mb_emit_ldarg (mb, param_index++);
3680 /* Make the call to the real object */
3682 emit_thread_force_interrupt_checkpoint (mb);
3684 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
3686 if (sig->ret->type != MONO_TYPE_VOID)
3687 mono_mb_emit_stloc (mb, loc_return);
3689 /* copy back MONO_MARSHAL_COPY_OUT parameters */
3693 for (i = 0; i < sig->param_count; i++) {
3694 if (marshal_types [i] == MONO_MARSHAL_SERIALIZE) continue;
3695 if (marshal_types [i] == MONO_MARSHAL_COPY_OUT) {
3696 mono_mb_emit_ldloc (mb, copy_locals_base + (j++));
3697 mono_mb_emit_ldarg (mb, param_index);
3698 mono_marshal_emit_xdomain_copy_out_value (mb, mono_class_from_mono_type (sig->params [i]));
3703 /* Serialize the return values */
3705 if (complex_out_count > 0) {
3706 /* Reset parameters in the array that don't need to be serialized back */
3708 for (i = 0; i < sig->param_count; i++) {
3709 if (marshal_types[i] != MONO_MARSHAL_SERIALIZE) continue;
3710 if (!sig->params [i]->byref) {
3711 mono_mb_emit_ldloc (mb, loc_array);
3712 mono_mb_emit_icon (mb, j);
3713 mono_mb_emit_byte (mb, CEE_LDNULL);
3714 mono_mb_emit_byte (mb, CEE_STELEM_REF);
3719 /* Add the return value to the array */
3721 if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
3722 mono_mb_emit_ldloc (mb, loc_array);
3723 mono_mb_emit_icon (mb, complex_count); /* The array has an additional slot to hold the ret value */
3724 mono_mb_emit_ldloc (mb, loc_return);
3726 g_assert (ret_class); /*FIXME properly fail here*/
3727 if (ret_class->valuetype) {
3728 mono_mb_emit_op (mb, CEE_BOX, ret_class);
3730 mono_mb_emit_byte (mb, CEE_STELEM_REF);
3735 mono_mb_emit_ldarg (mb, 1);
3736 mono_mb_emit_ldloc (mb, loc_array);
3737 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3738 mono_mb_emit_byte (mb, CEE_STIND_REF);
3739 } else if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
3740 mono_mb_emit_ldarg (mb, 1);
3741 mono_mb_emit_ldloc (mb, loc_return);
3742 if (ret_class->valuetype) {
3743 mono_mb_emit_op (mb, CEE_BOX, ret_class);
3745 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3746 mono_mb_emit_byte (mb, CEE_STIND_REF);
3748 mono_mb_emit_ldarg (mb, 1);
3749 mono_mb_emit_byte (mb, CEE_LDNULL);
3750 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3751 mono_mb_emit_byte (mb, CEE_STIND_REF);
3754 mono_mb_emit_ldarg (mb, 2);
3755 mono_mb_emit_byte (mb, CEE_LDNULL);
3756 mono_mb_emit_byte (mb, CEE_STIND_REF);
3757 pos_leave = mono_mb_emit_branch (mb, CEE_LEAVE);
3759 /* Main exception catch */
3760 main_clause->flags = MONO_EXCEPTION_CLAUSE_NONE;
3761 main_clause->try_len = mono_mb_get_pos (mb) - main_clause->try_offset;
3762 main_clause->data.catch_class = mono_defaults.object_class;
3765 main_clause->handler_offset = mono_mb_get_label (mb);
3766 mono_mb_emit_managed_call (mb, method_rs_serialize_exc, NULL);
3767 mono_mb_emit_stloc (mb, loc_serialized_exc);
3768 mono_mb_emit_ldarg (mb, 2);
3769 mono_mb_emit_ldloc (mb, loc_serialized_exc);
3770 mono_mb_emit_byte (mb, CEE_STIND_REF);
3771 mono_mb_emit_branch (mb, CEE_LEAVE);
3772 main_clause->handler_len = mono_mb_get_pos (mb) - main_clause->handler_offset;
3775 mono_mb_patch_branch (mb, pos_leave);
3778 mono_mb_emit_ldloc (mb, loc_return);
3780 mono_mb_emit_byte (mb, CEE_RET);
3782 mono_mb_set_clauses (mb, 1, main_clause);
3785 res = mono_remoting_mb_create_and_cache (method, mb, csig, csig->param_count + 16);
3791 /* mono_marshal_get_xappdomain_invoke ()
3792 * Generates a fast remoting wrapper for cross app domain calls.
3795 mono_marshal_get_xappdomain_invoke (MonoMethod *method)
3797 MonoMethodSignature *sig;
3798 MonoMethodBuilder *mb;
3800 int i, j, complex_count, complex_out_count, copy_locals_base;
3802 MonoClass *ret_class = NULL;
3803 MonoMethod *xdomain_method;
3804 int ret_marshal_type = MONO_MARSHAL_NONE;
3805 int loc_array=0, loc_serialized_data=-1, loc_real_proxy;
3806 int loc_old_domainid, loc_domainid, loc_return=0, loc_serialized_exc=0, loc_context;
3807 int pos, pos_dispatch, pos_noex;
3808 gboolean copy_return = FALSE;
3812 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE || method->wrapper_type == MONO_WRAPPER_XDOMAIN_INVOKE)
3815 /* we cant remote methods without this pointer */
3816 if (!mono_method_signature (method)->hasthis)
3819 if (!mono_marshal_supports_fast_xdomain (method))
3820 return mono_marshal_get_remoting_invoke (method);
3822 mono_remoting_marshal_init ();
3824 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_XDOMAIN_INVOKE)))
3827 sig = mono_signature_no_pinvoke (method);
3829 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_XDOMAIN_INVOKE);
3830 mb->method->save_lmf = 1;
3832 /* Count the number of parameters that need to be serialized */
3834 marshal_types = alloca (sizeof (int) * sig->param_count);
3835 complex_count = complex_out_count = 0;
3836 for (i = 0; i < sig->param_count; i++) {
3837 MonoType *ptype = sig->params[i];
3838 int mt = mono_get_xdomain_marshal_type (ptype);
3840 /* If the [Out] attribute is applied to a parameter that can be internally copied,
3841 * the copy will be made by reusing the original object instance
3843 if ((ptype->attrs & PARAM_ATTRIBUTE_OUT) != 0 && mt == MONO_MARSHAL_COPY && !ptype->byref)
3844 mt = MONO_MARSHAL_COPY_OUT;
3845 else if (mt == MONO_MARSHAL_SERIALIZE) {
3847 if (ptype->byref) complex_out_count++;
3849 marshal_types [i] = mt;
3852 if (sig->ret->type != MONO_TYPE_VOID) {
3853 ret_marshal_type = mono_get_xdomain_marshal_type (sig->ret);
3854 ret_class = mono_class_from_mono_type (sig->ret);
3855 copy_return = ret_marshal_type != MONO_MARSHAL_SERIALIZE;
3861 if (complex_count > 0)
3862 loc_array = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3863 loc_serialized_data = mono_mb_add_local (mb, &byte_array_class->byval_arg);
3864 loc_real_proxy = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3866 loc_return = mono_mb_add_local (mb, sig->ret);
3867 loc_old_domainid = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
3868 loc_domainid = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
3869 loc_serialized_exc = mono_mb_add_local (mb, &byte_array_class->byval_arg);
3870 loc_context = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3872 /* Save thread domain data */
3874 mono_mb_emit_icall (mb, mono_context_get);
3875 mono_mb_emit_byte (mb, CEE_DUP);
3876 mono_mb_emit_stloc (mb, loc_context);
3878 /* If the thread is not running in the default context, it needs to go
3879 * through the whole remoting sink, since the context is going to change
3881 mono_mb_emit_managed_call (mb, method_needs_context_sink, NULL);
3882 pos = mono_mb_emit_short_branch (mb, CEE_BRTRUE_S);
3884 /* Another case in which the fast path can't be used: when the target domain
3885 * has a different image for the same assembly.
3888 /* Get the target domain id */
3890 mono_mb_emit_ldarg (mb, 0);
3891 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoTransparentProxy, rp));
3892 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3893 mono_mb_emit_byte (mb, CEE_DUP);
3894 mono_mb_emit_stloc (mb, loc_real_proxy);
3896 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoRealProxy, target_domain_id));
3897 mono_mb_emit_byte (mb, CEE_LDIND_I4);
3898 mono_mb_emit_stloc (mb, loc_domainid);
3900 /* Check if the target domain has the same image for the required assembly */
3902 mono_mb_emit_ldloc (mb, loc_domainid);
3903 mono_mb_emit_ptr (mb, method->klass->image);
3904 mono_mb_emit_icall (mb, mono_marshal_check_domain_image);
3905 pos_dispatch = mono_mb_emit_short_branch (mb, CEE_BRTRUE_S);
3907 /* Use the whole remoting sink to dispatch this message */
3909 mono_mb_patch_short_branch (mb, pos);
3911 mono_mb_emit_ldarg (mb, 0);
3912 for (i = 0; i < sig->param_count; i++)
3913 mono_mb_emit_ldarg (mb, i + 1);
3915 mono_mb_emit_managed_call (mb, mono_marshal_get_remoting_invoke (method), NULL);
3916 mono_mb_emit_byte (mb, CEE_RET);
3917 mono_mb_patch_short_branch (mb, pos_dispatch);
3919 /* Create the array that will hold the parameters to be serialized */
3921 if (complex_count > 0) {
3922 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 */
3923 mono_mb_emit_op (mb, CEE_NEWARR, mono_defaults.object_class);
3926 for (i = 0; i < sig->param_count; i++) {
3928 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE) continue;
3929 pclass = mono_class_from_mono_type (sig->params[i]);
3930 mono_mb_emit_byte (mb, CEE_DUP);
3931 mono_mb_emit_icon (mb, j);
3932 mono_mb_emit_ldarg (mb, i + 1); /* 0=this */
3933 if (sig->params[i]->byref) {
3934 if (pclass->valuetype)
3935 mono_mb_emit_op (mb, CEE_LDOBJ, pclass);
3937 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3939 if (pclass->valuetype)
3940 mono_mb_emit_op (mb, CEE_BOX, pclass);
3941 mono_mb_emit_byte (mb, CEE_STELEM_REF);
3944 mono_mb_emit_stloc (mb, loc_array);
3946 /* Serialize parameters */
3948 mono_mb_emit_ldloc (mb, loc_array);
3949 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3950 mono_mb_emit_stloc (mb, loc_serialized_data);
3952 mono_mb_emit_byte (mb, CEE_LDNULL);
3953 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3954 mono_mb_emit_stloc (mb, loc_serialized_data);
3959 mono_mb_emit_ldloc (mb, loc_domainid);
3960 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
3961 mono_marshal_emit_switch_domain (mb);
3962 mono_mb_emit_stloc (mb, loc_old_domainid);
3964 /* Load the arguments */
3966 mono_mb_emit_ldloc (mb, loc_real_proxy);
3967 mono_mb_emit_ldloc_addr (mb, loc_serialized_data);
3968 mono_mb_emit_ldloc_addr (mb, loc_serialized_exc);
3970 copy_locals_base = mb->locals;
3971 for (i = 0; i < sig->param_count; i++) {
3972 switch (marshal_types [i]) {
3973 case MONO_MARSHAL_SERIALIZE:
3975 case MONO_MARSHAL_COPY: {
3976 mono_mb_emit_ldarg (mb, i+1);
3977 if (sig->params [i]->byref) {
3978 /* make a local copy of the byref parameter. The real parameter
3979 * will be updated after the xdomain call
3981 MonoClass *pclass = mono_class_from_mono_type (sig->params [i]);
3982 int copy_local = mono_mb_add_local (mb, &(pclass->byval_arg));
3983 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3984 mono_mb_emit_stloc (mb, copy_local);
3985 mono_mb_emit_ldloc_addr (mb, copy_local);
3989 case MONO_MARSHAL_COPY_OUT:
3990 case MONO_MARSHAL_NONE:
3991 mono_mb_emit_ldarg (mb, i+1);
3996 /* Make the call to the invoke wrapper in the target domain */
3998 xdomain_method = mono_marshal_get_xappdomain_dispatch (method, marshal_types, complex_count, complex_out_count, ret_marshal_type);
3999 mono_marshal_emit_load_domain_method (mb, xdomain_method);
4000 mono_mb_emit_calli (mb, mono_method_signature (xdomain_method));
4003 mono_mb_emit_stloc (mb, loc_return);
4007 mono_mb_emit_ldloc (mb, loc_old_domainid);
4008 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
4009 mono_marshal_emit_switch_domain (mb);
4010 mono_mb_emit_byte (mb, CEE_POP);
4012 /* Restore thread domain data */
4014 mono_mb_emit_ldloc (mb, loc_context);
4015 mono_mb_emit_icall (mb, mono_context_set);
4017 /* if (loc_serialized_exc != null) ... */
4019 mono_mb_emit_ldloc (mb, loc_serialized_exc);
4020 pos_noex = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
4022 mono_mb_emit_ldloc (mb, loc_serialized_exc);
4023 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
4024 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
4025 mono_mb_emit_op (mb, CEE_CASTCLASS, mono_defaults.exception_class);
4026 mono_mb_emit_managed_call (mb, method_exc_fixexc, NULL);
4027 mono_mb_emit_byte (mb, CEE_THROW);
4028 mono_mb_patch_short_branch (mb, pos_noex);
4030 /* copy back non-serialized output parameters */
4033 for (i = 0; i < sig->param_count; i++) {
4034 if (!sig->params [i]->byref || marshal_types [i] != MONO_MARSHAL_COPY) continue;
4035 mono_mb_emit_ldarg (mb, i + 1);
4036 mono_mb_emit_ldloc (mb, copy_locals_base + (j++));
4037 mono_marshal_emit_xdomain_copy_value (mb, mono_class_from_mono_type (sig->params [i]));
4038 mono_mb_emit_byte (mb, CEE_STIND_REF);
4041 /* Deserialize out parameters */
4043 if (complex_out_count > 0) {
4044 mono_mb_emit_ldloc (mb, loc_serialized_data);
4045 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
4046 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
4047 mono_mb_emit_stloc (mb, loc_array);
4049 /* Copy back output parameters and return type */
4052 for (i = 0; i < sig->param_count; i++) {
4053 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE) continue;
4054 if (sig->params[i]->byref) {
4055 MonoClass *pclass = mono_class_from_mono_type (sig->params [i]);
4056 mono_mb_emit_ldarg (mb, i + 1);
4057 mono_mb_emit_ldloc (mb, loc_array);
4058 mono_mb_emit_icon (mb, j);
4059 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
4060 if (pclass->valuetype) {
4061 mono_mb_emit_op (mb, CEE_UNBOX, pclass);
4062 mono_mb_emit_op (mb, CEE_LDOBJ, pclass);
4063 mono_mb_emit_op (mb, CEE_STOBJ, pclass);
4065 if (pclass != mono_defaults.object_class)
4066 mono_mb_emit_op (mb, CEE_CASTCLASS, pclass);
4067 mono_mb_emit_byte (mb, CEE_STIND_REF);
4073 if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
4074 mono_mb_emit_ldloc (mb, loc_array);
4075 mono_mb_emit_icon (mb, complex_count);
4076 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
4077 if (ret_class->valuetype) {
4078 mono_mb_emit_op (mb, CEE_UNBOX, ret_class);
4079 mono_mb_emit_op (mb, CEE_LDOBJ, ret_class);
4082 } else if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
4083 mono_mb_emit_ldloc (mb, loc_serialized_data);
4084 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
4085 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
4086 if (ret_class->valuetype) {
4087 mono_mb_emit_op (mb, CEE_UNBOX, ret_class);
4088 mono_mb_emit_op (mb, CEE_LDOBJ, ret_class);
4089 } else if (ret_class != mono_defaults.object_class) {
4090 mono_mb_emit_op (mb, CEE_CASTCLASS, ret_class);
4093 mono_mb_emit_ldloc (mb, loc_serialized_data);
4094 mono_mb_emit_byte (mb, CEE_DUP);
4095 pos = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
4096 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
4098 mono_mb_patch_short_branch (mb, pos);
4099 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
4100 mono_mb_emit_byte (mb, CEE_POP);
4104 mono_mb_emit_ldloc (mb, loc_return);
4105 if (ret_marshal_type == MONO_MARSHAL_COPY)
4106 mono_marshal_emit_xdomain_copy_value (mb, ret_class);
4109 mono_mb_emit_byte (mb, CEE_RET);
4110 #endif /* DISABLE_JIT */
4112 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16);
4119 mono_marshal_get_remoting_invoke_for_target (MonoMethod *method, MonoRemotingTarget target_type)
4121 if (target_type == MONO_REMOTING_TARGET_APPDOMAIN) {
4122 return mono_marshal_get_xappdomain_invoke (method);
4123 } else if (target_type == MONO_REMOTING_TARGET_COMINTEROP) {
4125 return mono_cominterop_get_invoke (method);
4127 g_assert_not_reached ();
4130 return mono_marshal_get_remoting_invoke (method);
4136 G_GNUC_UNUSED static gpointer
4137 mono_marshal_load_remoting_wrapper (MonoRealProxy *rp, MonoMethod *method)
4139 if (rp->target_domain_id != -1)
4140 return mono_compile_method (mono_marshal_get_xappdomain_invoke (method));
4142 return mono_compile_method (mono_marshal_get_remoting_invoke (method));
4146 mono_marshal_get_remoting_invoke_with_check (MonoMethod *method)
4148 MonoMethodSignature *sig;
4149 MonoMethodBuilder *mb;
4150 MonoMethod *res, *native;
4151 int i, pos, pos_rem;
4155 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK)
4158 /* we cant remote methods without this pointer */
4159 g_assert (mono_method_signature (method)->hasthis);
4161 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK)))
4164 sig = mono_signature_no_pinvoke (method);
4166 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK);
4169 for (i = 0; i <= sig->param_count; i++)
4170 mono_mb_emit_ldarg (mb, i);
4172 mono_mb_emit_ldarg (mb, 0);
4173 pos = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
4175 if (mono_marshal_supports_fast_xdomain (method)) {
4176 mono_mb_emit_ldarg (mb, 0);
4177 pos_rem = mono_mb_emit_xdomain_check (mb, CEE_BEQ);
4179 /* wrapper for cross app domain calls */
4180 native = mono_marshal_get_xappdomain_invoke (method);
4181 mono_mb_emit_managed_call (mb, native, mono_method_signature (native));
4182 mono_mb_emit_byte (mb, CEE_RET);
4184 mono_mb_patch_branch (mb, pos_rem);
4186 /* wrapper for normal remote calls */
4187 native = mono_marshal_get_remoting_invoke (method);
4188 mono_mb_emit_managed_call (mb, native, mono_method_signature (native));
4189 mono_mb_emit_byte (mb, CEE_RET);
4192 mono_mb_patch_branch (mb, pos);
4193 mono_mb_emit_managed_call (mb, method, mono_method_signature (method));
4194 mono_mb_emit_byte (mb, CEE_RET);
4197 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16);
4203 #endif /* DISABLE_REMOTING */
4207 MonoMethodSignature *sig;
4209 } SignatureMethodPair;
4212 signature_method_pair_hash (gconstpointer data)
4214 SignatureMethodPair *pair = (SignatureMethodPair*)data;
4216 return mono_signature_hash (pair->sig) ^ mono_aligned_addr_hash (pair->method);
4220 signature_method_pair_equal (SignatureMethodPair *pair1, SignatureMethodPair *pair2)
4222 return mono_metadata_signature_equal (pair1->sig, pair2->sig) && (pair1->method == pair2->method);
4226 signature_method_pair_matches_method (gpointer key, gpointer value, gpointer user_data)
4228 SignatureMethodPair *pair = (SignatureMethodPair*)key;
4229 MonoMethod *method = (MonoMethod*)user_data;
4231 return pair->method == method;
4235 free_signature_method_pair (SignatureMethodPair *pair)
4241 mono_marshal_get_delegate_invoke_internal (MonoMethod *method, gboolean callvirt, gboolean static_method_with_first_arg_bound, MonoMethod *target_method)
4243 MonoMethodSignature *sig, *static_sig, *invoke_sig;
4245 MonoMethodBuilder *mb;
4248 gpointer cache_key = NULL;
4249 SignatureMethodPair key;
4250 SignatureMethodPair *new_key;
4251 int local_prev, local_target;
4254 MonoClass *target_class = NULL;
4255 gboolean closed_over_null = FALSE;
4256 MonoGenericContext *ctx = NULL;
4257 MonoGenericContainer *container = NULL;
4258 MonoMethod *orig_method = NULL;
4260 WrapperSubtype subtype = WRAPPER_SUBTYPE_NONE;
4263 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
4264 !strcmp (method->name, "Invoke"));
4266 invoke_sig = sig = mono_signature_no_pinvoke (method);
4269 * If the delegate target is null, and the target method is not static, a virtual
4270 * call is made to that method with the first delegate argument as this. This is
4271 * a non-documented .NET feature.
4274 subtype = WRAPPER_SUBTYPE_DELEGATE_INVOKE_VIRTUAL;
4275 if (target_method->is_inflated) {
4276 MonoType *target_type;
4278 g_assert (method->signature->hasthis);
4279 target_type = mono_class_inflate_generic_type (method->signature->params [0],
4280 mono_method_get_context (method));
4281 target_class = mono_class_from_mono_type (target_type);
4283 target_class = target_method->klass;
4286 closed_over_null = sig->param_count == mono_method_signature (target_method)->param_count;
4289 if (static_method_with_first_arg_bound) {
4290 subtype = WRAPPER_SUBTYPE_DELEGATE_INVOKE_BOUND;
4291 g_assert (!callvirt);
4292 invoke_sig = mono_method_signature (target_method);
4296 * For generic delegates, create a generic wrapper, and return an instance to help AOT.
4298 if (method->is_inflated && subtype == WRAPPER_SUBTYPE_NONE) {
4299 orig_method = method;
4300 ctx = &((MonoMethodInflated*)method)->context;
4301 method = ((MonoMethodInflated*)method)->declaring;
4303 container = mono_method_get_generic_container (method);
4305 container = method->klass->generic_container;
4306 g_assert (container);
4308 invoke_sig = sig = mono_signature_no_pinvoke (method);
4315 cache = get_cache (&method->klass->image->delegate_invoke_generic_cache, mono_aligned_addr_hash, NULL);
4316 res = check_generic_delegate_wrapper_cache (cache, orig_method, method, ctx);
4319 cache_key = method->klass;
4320 } else if (static_method_with_first_arg_bound) {
4321 cache = get_cache (&method->klass->image->delegate_bound_static_invoke_cache,
4322 (GHashFunc)mono_signature_hash,
4323 (GCompareFunc)mono_metadata_signature_equal);
4325 * The wrapper is based on sig+invoke_sig, but sig can be derived from invoke_sig.
4327 res = mono_marshal_find_in_cache (cache, invoke_sig);
4330 cache_key = invoke_sig;
4331 } else if (callvirt) {
4332 GHashTable **cache_ptr;
4334 cache_ptr = &method->klass->image->delegate_abstract_invoke_cache;
4336 /* We need to cache the signature+method pair */
4337 mono_marshal_lock ();
4339 *cache_ptr = g_hash_table_new_full (signature_method_pair_hash, (GEqualFunc)signature_method_pair_equal, (GDestroyNotify)free_signature_method_pair, NULL);
4341 key.sig = invoke_sig;
4342 key.method = target_method;
4343 res = g_hash_table_lookup (cache, &key);
4344 mono_marshal_unlock ();
4348 cache = get_cache (&method->klass->image->delegate_invoke_cache,
4349 (GHashFunc)mono_signature_hash,
4350 (GCompareFunc)mono_metadata_signature_equal);
4351 res = mono_marshal_find_in_cache (cache, sig);
4357 static_sig = signature_dup (method->klass->image, sig);
4358 static_sig->hasthis = 0;
4359 if (!static_method_with_first_arg_bound)
4360 invoke_sig = static_sig;
4362 if (static_method_with_first_arg_bound)
4363 name = mono_signature_to_name (invoke_sig, "invoke_bound");
4364 else if (closed_over_null)
4365 name = mono_signature_to_name (invoke_sig, "invoke_closed_over_null");
4367 name = mono_signature_to_name (invoke_sig, "invoke_callvirt");
4369 name = mono_signature_to_name (invoke_sig, "invoke");
4371 mb = mono_mb_new (method->klass, name, MONO_WRAPPER_DELEGATE_INVOKE);
4373 mb = mono_mb_new (get_wrapper_target_class (method->klass->image), name, MONO_WRAPPER_DELEGATE_INVOKE);
4377 /* allocate local 0 (object) */
4378 local_target = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4379 local_prev = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4381 g_assert (sig->hasthis);
4385 * prev.Invoke( args .. );
4386 * return this.<target>( args .. );
4389 /* this wrapper can be used in unmanaged-managed transitions */
4390 emit_thread_interrupt_checkpoint (mb);
4392 /* get this->prev */
4393 mono_mb_emit_ldarg (mb, 0);
4394 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoMulticastDelegate, prev));
4395 mono_mb_emit_byte (mb, CEE_LDIND_REF);
4396 mono_mb_emit_stloc (mb, local_prev);
4397 mono_mb_emit_ldloc (mb, local_prev);
4399 /* if prev != null */
4400 pos0 = mono_mb_emit_branch (mb, CEE_BRFALSE);
4404 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4405 mono_mb_emit_byte (mb, CEE_MONO_NOT_TAKEN);
4407 mono_mb_emit_ldloc (mb, local_prev);
4408 for (i = 0; i < sig->param_count; i++)
4409 mono_mb_emit_ldarg (mb, i + 1);
4411 mono_mb_emit_op (mb, CEE_CALLVIRT, mono_class_inflate_generic_method (method, &container->context));
4413 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
4414 if (sig->ret->type != MONO_TYPE_VOID)
4415 mono_mb_emit_byte (mb, CEE_POP);
4417 /* continued or prev == null */
4418 mono_mb_patch_branch (mb, pos0);
4420 /* get this->target */
4421 mono_mb_emit_ldarg (mb, 0);
4422 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoDelegate, target));
4423 mono_mb_emit_byte (mb, CEE_LDIND_REF);
4424 mono_mb_emit_stloc (mb, local_target);
4426 /*static methods with bound first arg can have null target and still be bound*/
4427 if (!static_method_with_first_arg_bound) {
4428 /* if target != null */
4429 mono_mb_emit_ldloc (mb, local_target);
4430 pos0 = mono_mb_emit_branch (mb, CEE_BRFALSE);
4432 /* then call this->method_ptr nonstatic */
4435 mono_mb_emit_exception_full (mb, "System", "NotImplementedException", "");
4437 mono_mb_emit_ldloc (mb, local_target);
4438 for (i = 0; i < sig->param_count; ++i)
4439 mono_mb_emit_ldarg (mb, i + 1);
4440 mono_mb_emit_ldarg (mb, 0);
4441 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoDelegate, method_ptr));
4442 mono_mb_emit_byte (mb, CEE_LDIND_I );
4443 mono_mb_emit_op (mb, CEE_CALLI, sig);
4445 mono_mb_emit_byte (mb, CEE_RET);
4448 /* else [target == null] call this->method_ptr static */
4449 mono_mb_patch_branch (mb, pos0);
4453 if (!closed_over_null) {
4454 mono_mb_emit_ldarg (mb, 1);
4455 mono_mb_emit_op (mb, CEE_CASTCLASS, target_class);
4456 for (i = 1; i < sig->param_count; ++i)
4457 mono_mb_emit_ldarg (mb, i + 1);
4458 mono_mb_emit_op (mb, CEE_CALLVIRT, target_method);
4460 mono_mb_emit_byte (mb, CEE_LDNULL);
4461 for (i = 0; i < sig->param_count; ++i)
4462 mono_mb_emit_ldarg (mb, i + 1);
4463 mono_mb_emit_op (mb, CEE_CALL, target_method);
4466 if (static_method_with_first_arg_bound) {
4467 mono_mb_emit_ldloc (mb, local_target);
4468 if (!MONO_TYPE_IS_REFERENCE (invoke_sig->params[0]))
4469 mono_mb_emit_op (mb, CEE_UNBOX_ANY, mono_class_from_mono_type (invoke_sig->params[0]));
4471 for (i = 0; i < sig->param_count; ++i)
4472 mono_mb_emit_ldarg (mb, i + 1);
4473 mono_mb_emit_ldarg (mb, 0);
4474 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoDelegate, method_ptr));
4475 mono_mb_emit_byte (mb, CEE_LDIND_I );
4476 mono_mb_emit_op (mb, CEE_CALLI, invoke_sig);
4479 mono_mb_emit_byte (mb, CEE_RET);
4481 mb->skip_visibility = 1;
4482 #endif /* DISABLE_JIT */
4487 def = mono_mb_create_and_cache (cache, cache_key, mb, sig, sig->param_count + 16);
4488 res = cache_generic_delegate_wrapper (cache, orig_method, def, ctx);
4489 } else if (callvirt) {
4490 new_key = g_new0 (SignatureMethodPair, 1);
4493 info = mono_wrapper_info_create (mb, subtype);
4495 res = mono_mb_create_and_cache_full (cache, new_key, mb, sig, sig->param_count + 16, info, &found);
4499 info = mono_wrapper_info_create (mb, subtype);
4501 res = mono_mb_create_and_cache_full (cache, cache_key, mb, sig, sig->param_count + 16, info, NULL);
4509 * the returned method invokes all methods in a multicast delegate.
4512 mono_marshal_get_delegate_invoke (MonoMethod *method, MonoDelegate *del)
4514 gboolean callvirt = FALSE;
4515 gboolean static_method_with_first_arg_bound = FALSE;
4516 MonoMethod *target_method = NULL;
4517 MonoMethodSignature *sig;
4519 sig = mono_signature_no_pinvoke (method);
4521 if (del && !del->target && del->method && mono_method_signature (del->method)->hasthis) {
4523 target_method = del->method;
4526 if (del && del->method && mono_method_signature (del->method)->param_count == sig->param_count + 1 && (del->method->flags & METHOD_ATTRIBUTE_STATIC)) {
4527 static_method_with_first_arg_bound = TRUE;
4528 target_method = del->method;
4531 return mono_marshal_get_delegate_invoke_internal (method, callvirt, static_method_with_first_arg_bound, target_method);
4535 * signature_dup_add_this:
4537 * Make a copy of @sig, adding an explicit this argument.
4539 static MonoMethodSignature*
4540 signature_dup_add_this (MonoImage *image, MonoMethodSignature *sig, MonoClass *klass)
4542 MonoMethodSignature *res;
4545 res = mono_metadata_signature_alloc (image, sig->param_count + 1);
4546 memcpy (res, sig, MONO_SIZEOF_METHOD_SIGNATURE);
4547 res->param_count = sig->param_count + 1;
4548 res->hasthis = FALSE;
4549 for (i = sig->param_count - 1; i >= 0; i --)
4550 res->params [i + 1] = sig->params [i];
4551 res->params [0] = klass->valuetype ? &klass->this_arg : &klass->byval_arg;
4557 MonoMethodSignature *ctor_sig;
4558 MonoMethodSignature *sig;
4561 /* protected by the marshal lock, contains CtorSigPair pointers */
4562 static GSList *strsig_list = NULL;
4564 static MonoMethodSignature *
4565 lookup_string_ctor_signature (MonoMethodSignature *sig)
4567 MonoMethodSignature *callsig;
4571 mono_marshal_lock ();
4573 for (item = strsig_list; item; item = item->next) {
4575 /* mono_metadata_signature_equal () is safe to call with the marshal lock
4576 * because it is lock-free.
4578 if (mono_metadata_signature_equal (sig, cs->ctor_sig)) {
4583 mono_marshal_unlock ();
4587 static MonoMethodSignature *
4588 add_string_ctor_signature (MonoMethod *method)
4590 MonoMethodSignature *callsig;
4593 callsig = signature_dup (method->klass->image, mono_method_signature (method));
4594 callsig->ret = &mono_defaults.string_class->byval_arg;
4595 cs = g_new (CtorSigPair, 1);
4597 cs->ctor_sig = mono_method_signature (method);
4599 mono_marshal_lock ();
4600 strsig_list = g_slist_prepend (strsig_list, cs);
4601 mono_marshal_unlock ();
4606 * mono_marshal_get_string_ctor_signature:
4608 * Return the modified signature used by string ctors (they return the newly created
4611 MonoMethodSignature*
4612 mono_marshal_get_string_ctor_signature (MonoMethod *method)
4614 MonoMethodSignature *sig = lookup_string_ctor_signature (mono_method_signature (method));
4616 sig = add_string_ctor_signature (method);
4622 get_runtime_invoke_type (MonoType *t, gboolean ret)
4625 if (t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t)))
4627 /* Can't share this with 'I' as that needs another indirection */
4628 return &mono_defaults.int_class->this_arg;
4631 if (MONO_TYPE_IS_REFERENCE (t))
4632 return &mono_defaults.object_class->byval_arg;
4635 /* The result needs to be boxed */
4640 /* Can't share these as the argument needs to be loaded using sign/zero extension */
4643 return &mono_defaults.sbyte_class->byval_arg;
4645 return &mono_defaults.int16_class->byval_arg;
4647 return &mono_defaults.int32_class->byval_arg;
4650 return &mono_defaults.int64_class->byval_arg;
4651 case MONO_TYPE_BOOLEAN:
4652 return &mono_defaults.byte_class->byval_arg;
4653 case MONO_TYPE_CHAR:
4654 return &mono_defaults.uint16_class->byval_arg;
4657 return &mono_defaults.int_class->byval_arg;
4658 case MONO_TYPE_VALUETYPE:
4659 if (t->data.klass->enumtype) {
4660 t = mono_class_enum_basetype (t->data.klass);
4670 * mono_marshal_get_runtime_invoke_sig:
4672 * Return a common signature used for sharing runtime invoke wrappers.
4674 static MonoMethodSignature*
4675 mono_marshal_get_runtime_invoke_sig (MonoMethodSignature *sig)
4677 MonoMethodSignature *res = mono_metadata_signature_dup (sig);
4680 res->generic_param_count = 0;
4681 res->ret = get_runtime_invoke_type (sig->ret, TRUE);
4682 for (i = 0; i < res->param_count; ++i)
4683 res->params [i] = get_runtime_invoke_type (sig->params [i], FALSE);
4689 runtime_invoke_signature_equal (MonoMethodSignature *sig1, MonoMethodSignature *sig2)
4691 /* Can't share wrappers which return a vtype since it needs to be boxed */
4692 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))
4695 return mono_metadata_signature_equal (sig1, sig2);
4703 * Emit the call to the wrapper method from a runtime invoke wrapper.
4706 emit_invoke_call (MonoMethodBuilder *mb, MonoMethod *method,
4707 MonoMethodSignature *sig, MonoMethodSignature *callsig,
4709 gboolean virtual, gboolean need_direct_wrapper)
4711 static MonoString *string_dummy = NULL;
4713 int *tmp_nullable_locals;
4714 gboolean void_ret = FALSE;
4716 /* to make it work with our special string constructors */
4717 if (!string_dummy) {
4718 MONO_GC_REGISTER_ROOT_SINGLE (string_dummy);
4719 string_dummy = mono_string_new_wrapper ("dummy");
4723 g_assert (sig->hasthis);
4724 g_assert (method->flags & METHOD_ATTRIBUTE_VIRTUAL);
4728 if (method->string_ctor) {
4729 if (mono_gc_is_moving ()) {
4730 mono_mb_emit_ptr (mb, &string_dummy);
4731 mono_mb_emit_byte (mb, CEE_LDIND_REF);
4733 mono_mb_emit_ptr (mb, string_dummy);
4736 mono_mb_emit_ldarg (mb, 0);
4740 tmp_nullable_locals = g_new0 (int, sig->param_count);
4742 for (i = 0; i < sig->param_count; i++) {
4743 MonoType *t = sig->params [i];
4746 mono_mb_emit_ldarg (mb, 1);
4748 mono_mb_emit_icon (mb, sizeof (gpointer) * i);
4749 mono_mb_emit_byte (mb, CEE_ADD);
4753 mono_mb_emit_byte (mb, CEE_LDIND_I);
4754 /* A Nullable<T> type don't have a boxed form, it's either null or a boxed T.
4755 * So to make this work we unbox it to a local variablee and push a reference to that.
4757 if (t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t))) {
4758 tmp_nullable_locals [i] = mono_mb_add_local (mb, &mono_class_from_mono_type (t)->byval_arg);
4760 mono_mb_emit_op (mb, CEE_UNBOX_ANY, mono_class_from_mono_type (t));
4761 mono_mb_emit_stloc (mb, tmp_nullable_locals [i]);
4762 mono_mb_emit_ldloc_addr (mb, tmp_nullable_locals [i]);
4767 /*FIXME 'this doesn't handle generic enums. Shouldn't we?*/
4768 type = sig->params [i]->type;
4772 case MONO_TYPE_BOOLEAN:
4776 case MONO_TYPE_CHAR:
4785 mono_mb_emit_byte (mb, CEE_LDIND_I);
4786 mono_mb_emit_byte (mb, mono_type_to_ldind (sig->params [i]));
4788 case MONO_TYPE_STRING:
4789 case MONO_TYPE_CLASS:
4790 case MONO_TYPE_ARRAY:
4792 case MONO_TYPE_SZARRAY:
4793 case MONO_TYPE_OBJECT:
4794 mono_mb_emit_byte (mb, mono_type_to_ldind (sig->params [i]));
4796 case MONO_TYPE_GENERICINST:
4797 if (!mono_type_generic_inst_is_valuetype (sig->params [i])) {
4798 mono_mb_emit_byte (mb, mono_type_to_ldind (sig->params [i]));
4803 case MONO_TYPE_VALUETYPE:
4804 if (type == MONO_TYPE_VALUETYPE && t->data.klass->enumtype) {
4805 type = mono_class_enum_basetype (t->data.klass)->type;
4808 mono_mb_emit_byte (mb, CEE_LDIND_I);
4809 if (mono_class_is_nullable (mono_class_from_mono_type (sig->params [i]))) {
4810 /* Need to convert a boxed vtype to an mp to a Nullable struct */
4811 mono_mb_emit_op (mb, CEE_UNBOX, mono_class_from_mono_type (sig->params [i]));
4812 mono_mb_emit_op (mb, CEE_LDOBJ, mono_class_from_mono_type (sig->params [i]));
4814 mono_mb_emit_op (mb, CEE_LDOBJ, mono_class_from_mono_type (sig->params [i]));
4818 g_assert_not_reached ();
4823 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
4824 } else if (need_direct_wrapper) {
4825 mono_mb_emit_op (mb, CEE_CALL, method);
4827 mono_mb_emit_ldarg (mb, 3);
4828 mono_mb_emit_calli (mb, callsig);
4831 if (sig->ret->byref) {
4833 g_assert_not_reached ();
4836 switch (sig->ret->type) {
4837 case MONO_TYPE_VOID:
4838 if (!method->string_ctor)
4841 case MONO_TYPE_BOOLEAN:
4842 case MONO_TYPE_CHAR:
4855 case MONO_TYPE_VALUETYPE:
4856 case MONO_TYPE_TYPEDBYREF:
4857 case MONO_TYPE_GENERICINST:
4858 /* box value types */
4859 mono_mb_emit_op (mb, CEE_BOX, mono_class_from_mono_type (sig->ret));
4861 case MONO_TYPE_STRING:
4862 case MONO_TYPE_CLASS:
4863 case MONO_TYPE_ARRAY:
4864 case MONO_TYPE_SZARRAY:
4865 case MONO_TYPE_OBJECT:
4869 /* The result is an IntPtr */
4870 mono_mb_emit_op (mb, CEE_BOX, mono_defaults.int_class);
4873 g_assert_not_reached ();
4877 mono_mb_emit_stloc (mb, loc_res);
4879 /* Convert back nullable-byref arguments */
4880 for (i = 0; i < sig->param_count; i++) {
4881 MonoType *t = sig->params [i];
4884 * Box the result and put it back into the array, the caller will have
4885 * to obtain it from there.
4887 if (t->byref && t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t))) {
4888 mono_mb_emit_ldarg (mb, 1);
4889 mono_mb_emit_icon (mb, sizeof (gpointer) * i);
4890 mono_mb_emit_byte (mb, CEE_ADD);
4892 mono_mb_emit_ldloc (mb, tmp_nullable_locals [i]);
4893 mono_mb_emit_op (mb, CEE_BOX, mono_class_from_mono_type (t));
4895 mono_mb_emit_byte (mb, CEE_STIND_REF);
4899 g_free (tmp_nullable_locals);
4903 emit_runtime_invoke_body (MonoMethodBuilder *mb, MonoClass *target_klass, MonoMethod *method,
4904 MonoMethodSignature *sig, MonoMethodSignature *callsig,
4905 gboolean virtual, gboolean need_direct_wrapper)
4908 MonoExceptionClause *clause;
4909 int loc_res, loc_exc;
4911 /* The wrapper looks like this:
4917 * } catch (Exception e) {
4925 /* allocate local 0 (object) tmp */
4926 loc_res = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4927 /* allocate local 1 (object) exc */
4928 loc_exc = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4930 /* *exc is assumed to be initialized to NULL by the caller */
4932 mono_mb_emit_byte (mb, CEE_LDARG_2);
4933 labels [0] = mono_mb_emit_branch (mb, CEE_BRFALSE);
4938 labels [1] = mono_mb_get_label (mb);
4939 emit_thread_force_interrupt_checkpoint (mb);
4940 emit_invoke_call (mb, method, sig, callsig, loc_res, virtual, need_direct_wrapper);
4942 labels [2] = mono_mb_emit_branch (mb, CEE_LEAVE);
4944 /* Add a try clause around the call */
4945 clause = mono_image_alloc0 (target_klass->image, sizeof (MonoExceptionClause));
4946 clause->flags = MONO_EXCEPTION_CLAUSE_NONE;
4947 clause->data.catch_class = mono_defaults.exception_class;
4948 clause->try_offset = labels [1];
4949 clause->try_len = mono_mb_get_label (mb) - labels [1];
4951 clause->handler_offset = mono_mb_get_label (mb);
4954 mono_mb_emit_stloc (mb, loc_exc);
4955 mono_mb_emit_byte (mb, CEE_LDARG_2);
4956 mono_mb_emit_ldloc (mb, loc_exc);
4957 mono_mb_emit_byte (mb, CEE_STIND_REF);
4959 mono_mb_emit_branch (mb, CEE_LEAVE);
4961 clause->handler_len = mono_mb_get_pos (mb) - clause->handler_offset;
4963 mono_mb_set_clauses (mb, 1, clause);
4965 mono_mb_patch_branch (mb, labels [2]);
4966 mono_mb_emit_ldloc (mb, loc_res);
4967 mono_mb_emit_byte (mb, CEE_RET);
4972 mono_mb_patch_branch (mb, labels [0]);
4973 emit_thread_force_interrupt_checkpoint (mb);
4974 emit_invoke_call (mb, method, sig, callsig, loc_res, virtual, need_direct_wrapper);
4976 mono_mb_emit_ldloc (mb, 0);
4977 mono_mb_emit_byte (mb, CEE_RET);
4982 * generates IL code for the runtime invoke function
4983 * MonoObject *runtime_invoke (MonoObject *this, void **params, MonoObject **exc, void* method)
4985 * we also catch exceptions if exc != null
4986 * If VIRTUAL is TRUE, then METHOD is invoked virtually on THIS. This is useful since
4987 * it means that the compiled code for METHOD does not have to be looked up
4988 * before calling the runtime invoke wrapper. In this case, the wrapper ignores
4989 * its METHOD argument.
4992 mono_marshal_get_runtime_invoke (MonoMethod *method, gboolean virtual)
4994 MonoMethodSignature *sig, *csig, *callsig;
4995 MonoMethodBuilder *mb;
4996 GHashTable *cache = NULL;
4997 MonoClass *target_klass;
4998 MonoMethod *res = NULL;
4999 static MonoMethodSignature *cctor_signature = NULL;
5000 static MonoMethodSignature *finalize_signature = NULL;
5002 const char *param_names [16];
5003 gboolean need_direct_wrapper = FALSE;
5008 if (!cctor_signature) {
5009 cctor_signature = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
5010 cctor_signature->ret = &mono_defaults.void_class->byval_arg;
5012 if (!finalize_signature) {
5013 finalize_signature = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
5014 finalize_signature->ret = &mono_defaults.void_class->byval_arg;
5015 finalize_signature->hasthis = 1;
5019 need_direct_wrapper = TRUE;
5022 * Use a separate cache indexed by methods to speed things up and to avoid the
5023 * boundless mempool growth caused by the signature_dup stuff below.
5026 cache = get_cache (&method->klass->image->runtime_invoke_vcall_cache, mono_aligned_addr_hash, NULL);
5028 cache = get_cache (&method->klass->image->runtime_invoke_direct_cache, mono_aligned_addr_hash, NULL);
5029 res = mono_marshal_find_in_cache (cache, method);
5033 if (method->klass->rank && (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
5034 (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)) {
5036 * Array Get/Set/Address methods. The JIT implements them using inline code
5037 * so we need to create an invoke wrapper which calls the method directly.
5039 need_direct_wrapper = TRUE;
5042 if (method->string_ctor) {
5043 callsig = lookup_string_ctor_signature (mono_method_signature (method));
5045 callsig = add_string_ctor_signature (method);
5046 /* Can't share this as we push a string as this */
5047 need_direct_wrapper = TRUE;
5049 if (method_is_dynamic (method))
5050 callsig = signature_dup (method->klass->image, mono_method_signature (method));
5052 callsig = mono_method_signature (method);
5055 target_klass = get_wrapper_target_class (method->klass->image);
5057 /* Try to share wrappers for non-corlib methods with simple signatures */
5058 if (mono_metadata_signature_equal (callsig, cctor_signature)) {
5059 callsig = cctor_signature;
5060 target_klass = mono_defaults.object_class;
5061 } else if (mono_metadata_signature_equal (callsig, finalize_signature)) {
5062 callsig = finalize_signature;
5063 target_klass = mono_defaults.object_class;
5066 if (need_direct_wrapper) {
5067 /* Already searched at the start */
5069 MonoMethodSignature *tmp_sig;
5071 callsig = mono_marshal_get_runtime_invoke_sig (callsig);
5073 if (method->klass->valuetype && mono_method_signature (method)->hasthis)
5074 /* These have a different csig */
5075 cache = get_cache (&target_klass->image->runtime_invoke_vtype_cache,
5076 (GHashFunc)mono_signature_hash,
5077 (GCompareFunc)runtime_invoke_signature_equal);
5079 cache = get_cache (&target_klass->image->runtime_invoke_cache,
5080 (GHashFunc)mono_signature_hash,
5081 (GCompareFunc)runtime_invoke_signature_equal);
5083 /* from mono_marshal_find_in_cache */
5084 mono_marshal_lock ();
5085 res = g_hash_table_lookup (cache, callsig);
5086 mono_marshal_unlock ();
5093 /* Make a copy of the signature from the image mempool */
5095 callsig = mono_metadata_signature_dup_full (target_klass->image, callsig);
5099 sig = mono_method_signature (method);
5101 csig = mono_metadata_signature_alloc (target_klass->image, 4);
5103 csig->ret = &mono_defaults.object_class->byval_arg;
5104 if (method->klass->valuetype && mono_method_signature (method)->hasthis)
5105 csig->params [0] = get_runtime_invoke_type (&method->klass->this_arg, FALSE);
5107 csig->params [0] = &mono_defaults.object_class->byval_arg;
5108 csig->params [1] = &mono_defaults.int_class->byval_arg;
5109 csig->params [2] = &mono_defaults.int_class->byval_arg;
5110 csig->params [3] = &mono_defaults.int_class->byval_arg;
5113 /* This is called from runtime code so it has to be cdecl */
5114 csig->call_convention = MONO_CALL_C;
5117 name = mono_signature_to_name (callsig, virtual ? "runtime_invoke_virtual" : "runtime_invoke");
5118 mb = mono_mb_new (target_klass, name, MONO_WRAPPER_RUNTIME_INVOKE);
5122 param_names [0] = "this";
5123 param_names [1] = "params";
5124 param_names [2] = "exc";
5125 param_names [3] = "method";
5126 mono_mb_set_param_names (mb, param_names);
5128 emit_runtime_invoke_body (mb, target_klass, method, sig, callsig, virtual, need_direct_wrapper);
5131 if (need_direct_wrapper) {
5133 mb->skip_visibility = 1;
5135 info = mono_wrapper_info_create (mb, virtual ? WRAPPER_SUBTYPE_RUNTIME_INVOKE_VIRTUAL : WRAPPER_SUBTYPE_RUNTIME_INVOKE_DIRECT);
5136 info->d.runtime_invoke.method = method;
5137 res = mono_mb_create_and_cache_full (cache, method, mb, csig, sig->param_count + 16, info, NULL);
5139 /* taken from mono_mb_create_and_cache */
5140 mono_marshal_lock ();
5141 res = g_hash_table_lookup (cache, callsig);
5142 mono_marshal_unlock ();
5144 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_RUNTIME_INVOKE_NORMAL);
5145 info->d.runtime_invoke.sig = callsig;
5147 /* Somebody may have created it before us */
5150 newm = mono_mb_create (mb, csig, sig->param_count + 16, info);
5152 mono_marshal_lock ();
5153 res = g_hash_table_lookup (cache, callsig);
5156 g_hash_table_insert (cache, callsig, res);
5157 /* Can't insert it into wrapper_hash since the key is a signature */
5158 g_hash_table_insert (method->klass->image->runtime_invoke_direct_cache, method, res);
5160 mono_free_method (newm);
5162 mono_marshal_unlock ();
5165 /* end mono_mb_create_and_cache */
5174 * mono_marshal_get_runtime_invoke_dynamic:
5176 * Return a method which can be used to invoke managed methods from native code
5178 * The signature of the returned method is given by RuntimeInvokeDynamicFunction:
5179 * void runtime_invoke (void *args, MonoObject **exc, void *compiled_method)
5180 * ARGS should point to an architecture specific structure containing
5181 * the arguments and space for the return value.
5182 * The other arguments are the same as for runtime_invoke (), except that
5183 * ARGS should contain the this argument too.
5184 * This wrapper serves the same purpose as the runtime-invoke wrappers, but there
5185 * is only one copy of it, which is useful in full-aot.
5186 * The wrapper info for the wrapper is a WrapperInfo structure.
5189 mono_marshal_get_runtime_invoke_dynamic (void)
5191 static MonoMethod *method;
5192 MonoMethodSignature *csig;
5193 MonoExceptionClause *clause;
5194 MonoMethodBuilder *mb;
5202 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
5204 csig->ret = &mono_defaults.void_class->byval_arg;
5205 csig->params [0] = &mono_defaults.int_class->byval_arg;
5206 csig->params [1] = &mono_defaults.int_class->byval_arg;
5207 csig->params [2] = &mono_defaults.int_class->byval_arg;
5208 csig->params [3] = &mono_defaults.int_class->byval_arg;
5210 name = g_strdup ("runtime_invoke_dynamic");
5211 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_RUNTIME_INVOKE);
5215 /* allocate local 0 (object) tmp */
5216 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
5217 /* allocate local 1 (object) exc */
5218 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
5220 /* cond set *exc to null */
5221 mono_mb_emit_byte (mb, CEE_LDARG_1);
5222 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
5223 mono_mb_emit_byte (mb, 3);
5224 mono_mb_emit_byte (mb, CEE_LDARG_1);
5225 mono_mb_emit_byte (mb, CEE_LDNULL);
5226 mono_mb_emit_byte (mb, CEE_STIND_REF);
5228 emit_thread_force_interrupt_checkpoint (mb);
5230 mono_mb_emit_byte (mb, CEE_LDARG_0);
5231 mono_mb_emit_byte (mb, CEE_LDARG_2);
5232 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5233 mono_mb_emit_byte (mb, CEE_MONO_DYN_CALL);
5235 pos = mono_mb_emit_branch (mb, CEE_LEAVE);
5237 clause = mono_image_alloc0 (mono_defaults.corlib, sizeof (MonoExceptionClause));
5238 clause->flags = MONO_EXCEPTION_CLAUSE_FILTER;
5239 clause->try_len = mono_mb_get_label (mb);
5242 clause->data.filter_offset = mono_mb_get_label (mb);
5244 mono_mb_emit_byte (mb, CEE_POP);
5245 mono_mb_emit_byte (mb, CEE_LDARG_1);
5246 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
5247 mono_mb_emit_byte (mb, CEE_PREFIX1);
5248 mono_mb_emit_byte (mb, CEE_CGT_UN);
5249 mono_mb_emit_byte (mb, CEE_PREFIX1);
5250 mono_mb_emit_byte (mb, CEE_ENDFILTER);
5252 clause->handler_offset = mono_mb_get_label (mb);
5255 /* store exception */
5256 mono_mb_emit_stloc (mb, 1);
5258 mono_mb_emit_byte (mb, CEE_LDARG_1);
5259 mono_mb_emit_ldloc (mb, 1);
5260 mono_mb_emit_byte (mb, CEE_STIND_REF);
5262 mono_mb_emit_byte (mb, CEE_LDNULL);
5263 mono_mb_emit_stloc (mb, 0);
5265 /* Check for the abort exception */
5266 mono_mb_emit_ldloc (mb, 1);
5267 mono_mb_emit_op (mb, CEE_ISINST, mono_defaults.threadabortexception_class);
5268 posna = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
5270 /* Delay the abort exception */
5271 mono_mb_emit_icall (mb, ves_icall_System_Threading_Thread_ResetAbort);
5273 mono_mb_patch_short_branch (mb, posna);
5274 mono_mb_emit_branch (mb, CEE_LEAVE);
5276 clause->handler_len = mono_mb_get_pos (mb) - clause->handler_offset;
5278 mono_mb_set_clauses (mb, 1, clause);
5281 mono_mb_patch_branch (mb, pos);
5282 //mono_mb_emit_ldloc (mb, 0);
5283 mono_mb_emit_byte (mb, CEE_RET);
5284 #endif /* DISABLE_JIT */
5286 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_RUNTIME_INVOKE_DYNAMIC);
5288 mono_marshal_lock ();
5289 /* double-checked locking */
5291 method = mono_mb_create (mb, csig, 16, info);
5293 mono_marshal_unlock ();
5302 mono_mb_emit_auto_layout_exception (MonoMethodBuilder *mb, MonoClass *klass)
5304 char *msg = g_strdup_printf ("The type `%s.%s' layout needs to be Sequential or Explicit",
5305 klass->name_space, klass->name);
5307 mono_mb_emit_exception_marshal_directive (mb, msg);
5311 #ifndef DISABLE_REMOTING
5313 * mono_marshal_get_ldfld_remote_wrapper:
5314 * @klass: The return type
5316 * This method generates a wrapper for calling mono_load_remote_field_new.
5317 * The return type is ignored for now, as mono_load_remote_field_new () always
5318 * returns an object. In the future, to optimize some codepaths, we might
5319 * call a different function that takes a pointer to a valuetype, instead.
5322 mono_marshal_get_ldfld_remote_wrapper (MonoClass *klass)
5324 MonoMethodSignature *sig, *csig;
5325 MonoMethodBuilder *mb;
5327 static MonoMethod* cached = NULL;
5329 mono_marshal_lock ();
5331 mono_marshal_unlock ();
5334 mono_marshal_unlock ();
5336 mb = mono_mb_new_no_dup_name (mono_defaults.object_class, "__mono_load_remote_field_new_wrapper", MONO_WRAPPER_LDFLD_REMOTE);
5338 mb->method->save_lmf = 1;
5340 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
5341 sig->params [0] = &mono_defaults.object_class->byval_arg;
5342 sig->params [1] = &mono_defaults.int_class->byval_arg;
5343 sig->params [2] = &mono_defaults.int_class->byval_arg;
5344 sig->ret = &mono_defaults.object_class->byval_arg;
5347 mono_mb_emit_ldarg (mb, 0);
5348 mono_mb_emit_ldarg (mb, 1);
5349 mono_mb_emit_ldarg (mb, 2);
5351 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
5352 csig->params [0] = &mono_defaults.object_class->byval_arg;
5353 csig->params [1] = &mono_defaults.int_class->byval_arg;
5354 csig->params [2] = &mono_defaults.int_class->byval_arg;
5355 csig->ret = &mono_defaults.object_class->byval_arg;
5358 mono_mb_emit_native_call (mb, csig, mono_load_remote_field_new);
5359 emit_thread_interrupt_checkpoint (mb);
5361 mono_mb_emit_byte (mb, CEE_RET);
5364 mono_marshal_lock ();
5366 mono_marshal_unlock ();
5369 newm = mono_mb_create (mb, sig, 4, NULL);
5370 mono_marshal_lock ();
5375 mono_marshal_unlock ();
5377 mono_marshal_unlock ();
5378 mono_free_method (newm);
5387 * mono_marshal_get_ldfld_wrapper:
5388 * @type: the type of the field
5390 * This method generates a function which can be use to load a field with type
5391 * @type from an object. The generated function has the following signature:
5392 * <@type> ldfld_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset)
5395 mono_marshal_get_ldfld_wrapper (MonoType *type)
5397 MonoMethodSignature *sig;
5398 MonoMethodBuilder *mb;
5404 int t, pos0, pos1 = 0;
5406 type = mono_type_get_underlying_type (type);
5411 if (type->type == MONO_TYPE_SZARRAY) {
5412 klass = mono_defaults.array_class;
5413 } else if (type->type == MONO_TYPE_VALUETYPE) {
5414 klass = type->data.klass;
5415 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING) {
5416 klass = mono_defaults.object_class;
5417 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
5418 klass = mono_defaults.int_class;
5419 } else if (t == MONO_TYPE_GENERICINST) {
5420 if (mono_type_generic_inst_is_valuetype (type))
5421 klass = mono_class_from_mono_type (type);
5423 klass = mono_defaults.object_class;
5425 klass = mono_class_from_mono_type (type);
5428 klass = mono_defaults.int_class;
5431 cache = get_cache (&klass->image->ldfld_wrapper_cache, mono_aligned_addr_hash, NULL);
5432 if ((res = mono_marshal_find_in_cache (cache, klass)))
5435 /* we add the %p pointer value of klass because class names are not unique */
5436 name = g_strdup_printf ("__ldfld_wrapper_%p_%s.%s", klass, klass->name_space, klass->name);
5437 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_LDFLD);
5440 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
5441 sig->params [0] = &mono_defaults.object_class->byval_arg;
5442 sig->params [1] = &mono_defaults.int_class->byval_arg;
5443 sig->params [2] = &mono_defaults.int_class->byval_arg;
5444 sig->params [3] = &mono_defaults.int_class->byval_arg;
5445 sig->ret = &klass->byval_arg;
5448 mono_mb_emit_ldarg (mb, 0);
5449 pos0 = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
5451 mono_mb_emit_ldarg (mb, 0);
5452 mono_mb_emit_ldarg (mb, 1);
5453 mono_mb_emit_ldarg (mb, 2);
5455 mono_mb_emit_managed_call (mb, mono_marshal_get_ldfld_remote_wrapper (klass), NULL);
5458 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
5459 csig->params [0] = &mono_defaults.object_class->byval_arg;
5460 csig->params [1] = &mono_defaults.int_class->byval_arg;
5461 csig->params [2] = &mono_defaults.int_class->byval_arg;
5462 csig->ret = &klass->this_arg;
5465 mono_mb_emit_native_call (mb, csig, mono_load_remote_field_new);
5466 emit_thread_interrupt_checkpoint (mb);
5469 if (klass->valuetype) {
5470 mono_mb_emit_op (mb, CEE_UNBOX, klass);
5471 pos1 = mono_mb_emit_branch (mb, CEE_BR);
5473 mono_mb_emit_byte (mb, CEE_RET);
5477 mono_mb_patch_branch (mb, pos0);
5479 mono_mb_emit_ldarg (mb, 0);
5480 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5481 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
5482 mono_mb_emit_ldarg (mb, 3);
5483 mono_mb_emit_byte (mb, CEE_ADD);
5485 if (klass->valuetype)
5486 mono_mb_patch_branch (mb, pos1);
5491 case MONO_TYPE_BOOLEAN:
5492 case MONO_TYPE_CHAR:
5501 case MONO_TYPE_ARRAY:
5502 case MONO_TYPE_SZARRAY:
5503 case MONO_TYPE_OBJECT:
5504 case MONO_TYPE_CLASS:
5505 case MONO_TYPE_STRING:
5509 case MONO_TYPE_FNPTR:
5510 mono_mb_emit_byte (mb, mono_type_to_ldind (type));
5512 case MONO_TYPE_VALUETYPE:
5513 g_assert (!klass->enumtype);
5514 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
5516 case MONO_TYPE_GENERICINST:
5517 if (mono_type_generic_inst_is_valuetype (type)) {
5518 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
5520 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5524 case MONO_TYPE_MVAR:
5525 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
5528 g_warning ("type %x not implemented", type->type);
5529 g_assert_not_reached ();
5532 mono_mb_emit_byte (mb, CEE_RET);
5533 #endif /* DISABLE_JIT */
5535 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NONE);
5536 info->d.proxy.klass = klass;
5537 res = mono_mb_create_and_cache_full (cache, klass,
5538 mb, sig, sig->param_count + 16, info, NULL);
5545 * mono_marshal_get_ldflda_wrapper:
5546 * @type: the type of the field
5548 * This method generates a function which can be used to load a field address
5549 * from an object. The generated function has the following signature:
5550 * gpointer ldflda_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset);
5553 mono_marshal_get_ldflda_wrapper (MonoType *type)
5555 MonoMethodSignature *sig;
5556 MonoMethodBuilder *mb;
5562 int t, pos0, pos1, pos2, pos3;
5564 type = mono_type_get_underlying_type (type);
5568 if (type->type == MONO_TYPE_SZARRAY) {
5569 klass = mono_defaults.array_class;
5570 } else if (type->type == MONO_TYPE_VALUETYPE) {
5571 klass = type->data.klass;
5572 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING ||
5573 t == MONO_TYPE_CLASS) {
5574 klass = mono_defaults.object_class;
5575 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
5576 klass = mono_defaults.int_class;
5577 } else if (t == MONO_TYPE_GENERICINST) {
5578 if (mono_type_generic_inst_is_valuetype (type))
5579 klass = mono_class_from_mono_type (type);
5581 klass = mono_defaults.object_class;
5583 klass = mono_class_from_mono_type (type);
5586 klass = mono_defaults.int_class;
5589 cache = get_cache (&klass->image->ldflda_wrapper_cache, mono_aligned_addr_hash, NULL);
5590 if ((res = mono_marshal_find_in_cache (cache, klass)))
5593 /* we add the %p pointer value of klass because class names are not unique */
5594 name = g_strdup_printf ("__ldflda_wrapper_%p_%s.%s", klass, klass->name_space, klass->name);
5595 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_LDFLDA);
5598 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
5599 sig->params [0] = &mono_defaults.object_class->byval_arg;
5600 sig->params [1] = &mono_defaults.int_class->byval_arg;
5601 sig->params [2] = &mono_defaults.int_class->byval_arg;
5602 sig->params [3] = &mono_defaults.int_class->byval_arg;
5603 sig->ret = &mono_defaults.int_class->byval_arg;
5606 /* if typeof (this) != transparent_proxy goto pos0 */
5607 mono_mb_emit_ldarg (mb, 0);
5608 pos0 = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
5610 /* if same_appdomain goto pos1 */
5611 mono_mb_emit_ldarg (mb, 0);
5612 pos1 = mono_mb_emit_xdomain_check (mb, CEE_BEQ);
5614 mono_mb_emit_exception_full (mb, "System", "InvalidOperationException", "Attempt to load field address from object in another appdomain.");
5616 /* same app domain */
5617 mono_mb_patch_branch (mb, pos1);
5619 /* if typeof (this) != contextbound goto pos2 */
5620 mono_mb_emit_ldarg (mb, 0);
5621 pos2 = mono_mb_emit_contextbound_check (mb, CEE_BEQ);
5623 /* if this->rp->context == mono_context_get goto pos3 */
5624 mono_mb_emit_ldarg (mb, 0);
5625 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoTransparentProxy, rp));
5626 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5627 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoRealProxy, context));
5628 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5629 mono_mb_emit_icall (mb, mono_context_get);
5630 pos3 = mono_mb_emit_branch (mb, CEE_BEQ);
5632 mono_mb_emit_exception_full (mb, "System", "InvalidOperationException", "Attempt to load field address from object in another context.");
5634 mono_mb_patch_branch (mb, pos2);
5635 mono_mb_patch_branch (mb, pos3);
5637 /* return the address of the field from this->rp->unwrapped_server */
5638 mono_mb_emit_ldarg (mb, 0);
5639 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoTransparentProxy, rp));
5640 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5641 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoRealProxy, unwrapped_server));
5642 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5643 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5644 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
5645 mono_mb_emit_ldarg (mb, 3);
5646 mono_mb_emit_byte (mb, CEE_ADD);
5647 mono_mb_emit_byte (mb, CEE_RET);
5649 /* not a proxy: return the address of the field directly */
5650 mono_mb_patch_branch (mb, pos0);
5652 mono_mb_emit_ldarg (mb, 0);
5653 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5654 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
5655 mono_mb_emit_ldarg (mb, 3);
5656 mono_mb_emit_byte (mb, CEE_ADD);
5658 mono_mb_emit_byte (mb, CEE_RET);
5661 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NONE);
5662 info->d.proxy.klass = klass;
5663 res = mono_mb_create_and_cache_full (cache, klass,
5664 mb, sig, sig->param_count + 16,
5672 * mono_marshal_get_stfld_remote_wrapper:
5673 * klass: The type of the field
5675 * This function generates a wrapper for calling mono_store_remote_field_new
5676 * with the appropriate signature.
5677 * Similarly to mono_marshal_get_ldfld_remote_wrapper () this doesn't depend on the
5678 * klass argument anymore.
5681 mono_marshal_get_stfld_remote_wrapper (MonoClass *klass)
5683 MonoMethodSignature *sig, *csig;
5684 MonoMethodBuilder *mb;
5686 static MonoMethod *cached = NULL;
5688 mono_marshal_lock ();
5690 mono_marshal_unlock ();
5693 mono_marshal_unlock ();
5695 mb = mono_mb_new_no_dup_name (mono_defaults.object_class, "__mono_store_remote_field_new_wrapper", MONO_WRAPPER_STFLD_REMOTE);
5697 mb->method->save_lmf = 1;
5699 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
5700 sig->params [0] = &mono_defaults.object_class->byval_arg;
5701 sig->params [1] = &mono_defaults.int_class->byval_arg;
5702 sig->params [2] = &mono_defaults.int_class->byval_arg;
5703 sig->params [3] = &mono_defaults.object_class->byval_arg;
5704 sig->ret = &mono_defaults.void_class->byval_arg;
5707 mono_mb_emit_ldarg (mb, 0);
5708 mono_mb_emit_ldarg (mb, 1);
5709 mono_mb_emit_ldarg (mb, 2);
5710 mono_mb_emit_ldarg (mb, 3);
5712 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
5713 csig->params [0] = &mono_defaults.object_class->byval_arg;
5714 csig->params [1] = &mono_defaults.int_class->byval_arg;
5715 csig->params [2] = &mono_defaults.int_class->byval_arg;
5716 csig->params [3] = &mono_defaults.object_class->byval_arg;
5717 csig->ret = &mono_defaults.void_class->byval_arg;
5720 mono_mb_emit_native_call (mb, csig, mono_store_remote_field_new);
5721 emit_thread_interrupt_checkpoint (mb);
5723 mono_mb_emit_byte (mb, CEE_RET);
5726 mono_marshal_lock ();
5728 mono_marshal_unlock ();
5731 newm = mono_mb_create (mb, sig, 6, NULL);
5732 mono_marshal_lock ();
5737 mono_marshal_unlock ();
5739 mono_marshal_unlock ();
5740 mono_free_method (newm);
5749 * mono_marshal_get_stfld_wrapper:
5750 * @type: the type of the field
5752 * This method generates a function which can be use to store a field with type
5753 * @type. The generated function has the following signature:
5754 * void stfld_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset, <@type> val)
5757 mono_marshal_get_stfld_wrapper (MonoType *type)
5759 MonoMethodSignature *sig;
5760 MonoMethodBuilder *mb;
5768 type = mono_type_get_underlying_type (type);
5772 if (type->type == MONO_TYPE_SZARRAY) {
5773 klass = mono_defaults.array_class;
5774 } else if (type->type == MONO_TYPE_VALUETYPE) {
5775 klass = type->data.klass;
5776 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING) {
5777 klass = mono_defaults.object_class;
5778 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
5779 klass = mono_defaults.int_class;
5780 } else if (t == MONO_TYPE_GENERICINST) {
5781 if (mono_type_generic_inst_is_valuetype (type))
5782 klass = mono_class_from_mono_type (type);
5784 klass = mono_defaults.object_class;
5786 klass = mono_class_from_mono_type (type);
5789 klass = mono_defaults.int_class;
5792 cache = get_cache (&klass->image->stfld_wrapper_cache, mono_aligned_addr_hash, NULL);
5793 if ((res = mono_marshal_find_in_cache (cache, klass)))
5796 /* we add the %p pointer value of klass because class names are not unique */
5797 name = g_strdup_printf ("__stfld_wrapper_%p_%s.%s", klass, klass->name_space, klass->name);
5798 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_STFLD);
5801 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 5);
5802 sig->params [0] = &mono_defaults.object_class->byval_arg;
5803 sig->params [1] = &mono_defaults.int_class->byval_arg;
5804 sig->params [2] = &mono_defaults.int_class->byval_arg;
5805 sig->params [3] = &mono_defaults.int_class->byval_arg;
5806 sig->params [4] = &klass->byval_arg;
5807 sig->ret = &mono_defaults.void_class->byval_arg;
5810 mono_mb_emit_ldarg (mb, 0);
5811 pos = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
5813 mono_mb_emit_ldarg (mb, 0);
5814 mono_mb_emit_ldarg (mb, 1);
5815 mono_mb_emit_ldarg (mb, 2);
5816 mono_mb_emit_ldarg (mb, 4);
5817 if (klass->valuetype)
5818 mono_mb_emit_op (mb, CEE_BOX, klass);
5820 mono_mb_emit_managed_call (mb, mono_marshal_get_stfld_remote_wrapper (klass), NULL);
5822 mono_mb_emit_byte (mb, CEE_RET);
5824 mono_mb_patch_branch (mb, pos);
5826 mono_mb_emit_ldarg (mb, 0);
5827 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5828 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
5829 mono_mb_emit_ldarg (mb, 3);
5830 mono_mb_emit_byte (mb, CEE_ADD);
5831 mono_mb_emit_ldarg (mb, 4);
5836 case MONO_TYPE_BOOLEAN:
5837 case MONO_TYPE_CHAR:
5846 case MONO_TYPE_ARRAY:
5847 case MONO_TYPE_SZARRAY:
5848 case MONO_TYPE_OBJECT:
5849 case MONO_TYPE_CLASS:
5850 case MONO_TYPE_STRING:
5854 case MONO_TYPE_FNPTR:
5855 mono_mb_emit_byte (mb, mono_type_to_stind (type));
5857 case MONO_TYPE_VALUETYPE:
5858 g_assert (!klass->enumtype);
5859 mono_mb_emit_op (mb, CEE_STOBJ, klass);
5861 case MONO_TYPE_GENERICINST:
5863 case MONO_TYPE_MVAR:
5864 mono_mb_emit_op (mb, CEE_STOBJ, klass);
5867 g_warning ("type %x not implemented", type->type);
5868 g_assert_not_reached ();
5871 mono_mb_emit_byte (mb, CEE_RET);
5874 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NONE);
5875 info->d.proxy.klass = klass;
5876 res = mono_mb_create_and_cache_full (cache, klass,
5877 mb, sig, sig->param_count + 16,
5883 #endif /* DISABLE_REMOTING */
5886 * generates IL code for the icall wrapper (the generated method
5887 * calls the unmanaged code in func)
5888 * The wrapper info for the wrapper is a WrapperInfo structure.
5891 mono_marshal_get_icall_wrapper (MonoMethodSignature *sig, const char *name, gconstpointer func, gboolean check_exceptions)
5893 MonoMethodSignature *csig, *csig2;
5894 MonoMethodBuilder *mb;
5899 g_assert (sig->pinvoke);
5901 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_MANAGED_TO_NATIVE);
5903 mb->method->save_lmf = 1;
5905 /* Add an explicit this argument */
5907 csig2 = signature_dup_add_this (mono_defaults.corlib, sig, mono_defaults.object_class);
5909 csig2 = signature_dup (mono_defaults.corlib, sig);
5913 mono_mb_emit_byte (mb, CEE_LDARG_0);
5915 for (i = 0; i < sig->param_count; i++)
5916 mono_mb_emit_ldarg (mb, i + sig->hasthis);
5918 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5919 mono_mb_emit_op (mb, CEE_MONO_JIT_ICALL_ADDR, (gpointer)func);
5920 mono_mb_emit_calli (mb, csig2);
5921 if (check_exceptions)
5922 emit_thread_interrupt_checkpoint (mb);
5923 mono_mb_emit_byte (mb, CEE_RET);
5926 csig = signature_dup (mono_defaults.corlib, sig);
5928 if (csig->call_convention == MONO_CALL_VARARG)
5929 csig->call_convention = 0;
5931 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_ICALL_WRAPPER);
5932 info->d.icall.func = (gpointer)func;
5933 res = mono_mb_create (mb, csig, csig->param_count + 16, info);
5940 emit_marshal_custom (EmitMarshalContext *m, int argnum, MonoType *t,
5941 MonoMarshalSpec *spec,
5942 int conv_arg, MonoType **conv_arg_type,
5943 MarshalAction action)
5946 if (action == MARSHAL_ACTION_CONV_IN && t->type == MONO_TYPE_VALUETYPE)
5947 *conv_arg_type = &mono_defaults.int_class->byval_arg;
5952 static MonoClass *ICustomMarshaler = NULL;
5953 static MonoMethod *cleanup_native, *cleanup_managed;
5954 static MonoMethod *marshal_managed_to_native, *marshal_native_to_managed;
5955 MonoMethod *get_instance = NULL;
5956 MonoMethodBuilder *mb = m->mb;
5957 char *exception_msg = NULL;
5961 if (!ICustomMarshaler) {
5962 ICustomMarshaler = mono_class_from_name (mono_defaults.corlib, "System.Runtime.InteropServices", "ICustomMarshaler");
5963 if (!ICustomMarshaler) {
5964 exception_msg = g_strdup ("Current profile doesn't support ICustomMarshaler");
5965 goto handle_exception;
5968 cleanup_native = mono_class_get_method_from_name (ICustomMarshaler, "CleanUpNativeData", 1);
5969 g_assert (cleanup_native);
5970 cleanup_managed = mono_class_get_method_from_name (ICustomMarshaler, "CleanUpManagedData", 1);
5971 g_assert (cleanup_managed);
5972 marshal_managed_to_native = mono_class_get_method_from_name (ICustomMarshaler, "MarshalManagedToNative", 1);
5973 g_assert (marshal_managed_to_native);
5974 marshal_native_to_managed = mono_class_get_method_from_name (ICustomMarshaler, "MarshalNativeToManaged", 1);
5975 g_assert (marshal_native_to_managed);
5978 if (spec->data.custom_data.image)
5979 mtype = mono_reflection_type_from_name (spec->data.custom_data.custom_name, spec->data.custom_data.image);
5981 mtype = mono_reflection_type_from_name (spec->data.custom_data.custom_name, m->image);
5982 g_assert (mtype != NULL);
5983 mklass = mono_class_from_mono_type (mtype);
5984 g_assert (mklass != NULL);
5986 if (!mono_class_is_assignable_from (ICustomMarshaler, mklass))
5987 exception_msg = g_strdup_printf ("Custom marshaler '%s' does not implement the ICustomMarshaler interface.", mklass->name);
5989 get_instance = mono_class_get_method_from_name_flags (mklass, "GetInstance", 1, METHOD_ATTRIBUTE_STATIC);
5991 MonoMethodSignature *get_sig = mono_method_signature (get_instance);
5992 if ((get_sig->ret->type != MONO_TYPE_CLASS) ||
5993 (mono_class_from_mono_type (get_sig->ret) != ICustomMarshaler) ||
5994 (get_sig->params [0]->type != MONO_TYPE_STRING))
5995 get_instance = NULL;
5999 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);
6002 /* Throw exception and emit compensation code if neccesary */
6003 if (exception_msg) {
6005 case MARSHAL_ACTION_CONV_IN:
6006 case MARSHAL_ACTION_CONV_RESULT:
6007 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
6008 if ((action == MARSHAL_ACTION_CONV_RESULT) || (action == MARSHAL_ACTION_MANAGED_CONV_RESULT))
6009 mono_mb_emit_byte (mb, CEE_POP);
6011 mono_mb_emit_exception_full (mb, "System", "ApplicationException", exception_msg);
6012 g_free (exception_msg);
6015 case MARSHAL_ACTION_PUSH:
6016 mono_mb_emit_byte (mb, CEE_LDNULL);
6024 /* FIXME: MS.NET seems to create one instance for each klass + cookie pair */
6025 /* FIXME: MS.NET throws an exception if GetInstance returns null */
6028 case MARSHAL_ACTION_CONV_IN:
6030 case MONO_TYPE_CLASS:
6031 case MONO_TYPE_OBJECT:
6032 case MONO_TYPE_STRING:
6033 case MONO_TYPE_ARRAY:
6034 case MONO_TYPE_SZARRAY:
6035 case MONO_TYPE_VALUETYPE:
6039 g_warning ("custom marshalling of type %x is currently not supported", t->type);
6040 g_assert_not_reached ();
6044 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6046 mono_mb_emit_byte (mb, CEE_LDNULL);
6047 mono_mb_emit_stloc (mb, conv_arg);
6049 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT))
6052 /* Minic MS.NET behavior */
6053 if (!t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT) && !(t->attrs & PARAM_ATTRIBUTE_IN))
6056 /* Check for null */
6057 mono_mb_emit_ldarg (mb, argnum);
6059 mono_mb_emit_byte (mb, CEE_LDIND_I);
6060 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6062 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
6064 mono_mb_emit_op (mb, CEE_CALL, get_instance);
6066 mono_mb_emit_ldarg (mb, argnum);
6068 mono_mb_emit_byte (mb, CEE_LDIND_REF);
6070 if (t->type == MONO_TYPE_VALUETYPE) {
6072 * Since we can't determine the type of the argument, we
6073 * will assume the unmanaged function takes a pointer.
6075 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6077 mono_mb_emit_op (mb, CEE_BOX, mono_class_from_mono_type (t));
6080 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_managed_to_native);
6081 mono_mb_emit_stloc (mb, conv_arg);
6083 mono_mb_patch_branch (mb, pos2);
6086 case MARSHAL_ACTION_CONV_OUT:
6087 /* Check for null */
6088 mono_mb_emit_ldloc (mb, conv_arg);
6089 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6092 mono_mb_emit_ldarg (mb, argnum);
6094 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
6096 mono_mb_emit_op (mb, CEE_CALL, get_instance);
6098 mono_mb_emit_ldloc (mb, conv_arg);
6099 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
6100 mono_mb_emit_byte (mb, CEE_STIND_REF);
6101 } else if (t->attrs & PARAM_ATTRIBUTE_OUT) {
6102 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
6104 mono_mb_emit_op (mb, CEE_CALL, get_instance);
6106 mono_mb_emit_ldloc (mb, conv_arg);
6107 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
6109 /* We have nowhere to store the result */
6110 mono_mb_emit_byte (mb, CEE_POP);
6113 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
6115 mono_mb_emit_op (mb, CEE_CALL, get_instance);
6117 mono_mb_emit_ldloc (mb, conv_arg);
6119 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_native);
6121 mono_mb_patch_branch (mb, pos2);
6124 case MARSHAL_ACTION_PUSH:
6126 mono_mb_emit_ldloc_addr (mb, conv_arg);
6128 mono_mb_emit_ldloc (mb, conv_arg);
6131 case MARSHAL_ACTION_CONV_RESULT:
6132 loc1 = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6134 mono_mb_emit_stloc (mb, 3);
6136 mono_mb_emit_ldloc (mb, 3);
6137 mono_mb_emit_stloc (mb, loc1);
6139 /* Check for null */
6140 mono_mb_emit_ldloc (mb, 3);
6141 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6143 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
6145 mono_mb_emit_op (mb, CEE_CALL, get_instance);
6146 mono_mb_emit_byte (mb, CEE_DUP);
6148 mono_mb_emit_ldloc (mb, 3);
6149 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
6150 mono_mb_emit_stloc (mb, 3);
6152 mono_mb_emit_ldloc (mb, loc1);
6153 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_native);
6155 mono_mb_patch_branch (mb, pos2);
6158 case MARSHAL_ACTION_MANAGED_CONV_IN:
6159 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
6161 mono_mb_emit_byte (mb, CEE_LDNULL);
6162 mono_mb_emit_stloc (mb, conv_arg);
6164 if (t->byref && t->attrs & PARAM_ATTRIBUTE_OUT)
6167 /* Check for null */
6168 mono_mb_emit_ldarg (mb, argnum);
6170 mono_mb_emit_byte (mb, CEE_LDIND_I);
6171 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6173 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
6174 mono_mb_emit_op (mb, CEE_CALL, get_instance);
6176 mono_mb_emit_ldarg (mb, argnum);
6178 mono_mb_emit_byte (mb, CEE_LDIND_I);
6180 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
6181 mono_mb_emit_stloc (mb, conv_arg);
6183 mono_mb_patch_branch (mb, pos2);
6186 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
6187 g_assert (!t->byref);
6189 loc1 = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
6191 mono_mb_emit_stloc (mb, 3);
6193 mono_mb_emit_ldloc (mb, 3);
6194 mono_mb_emit_stloc (mb, loc1);
6196 /* Check for null */
6197 mono_mb_emit_ldloc (mb, 3);
6198 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6200 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
6201 mono_mb_emit_op (mb, CEE_CALL, get_instance);
6202 mono_mb_emit_byte (mb, CEE_DUP);
6204 mono_mb_emit_ldloc (mb, 3);
6205 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_managed_to_native);
6206 mono_mb_emit_stloc (mb, 3);
6208 mono_mb_emit_ldloc (mb, loc1);
6209 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_managed);
6211 mono_mb_patch_branch (mb, pos2);
6214 case MARSHAL_ACTION_MANAGED_CONV_OUT:
6216 /* Check for null */
6217 mono_mb_emit_ldloc (mb, conv_arg);
6218 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6221 mono_mb_emit_ldarg (mb, argnum);
6223 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
6225 mono_mb_emit_op (mb, CEE_CALL, get_instance);
6227 mono_mb_emit_ldloc (mb, conv_arg);
6228 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_managed_to_native);
6229 mono_mb_emit_byte (mb, CEE_STIND_I);
6232 /* Call CleanUpManagedData */
6233 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
6235 mono_mb_emit_op (mb, CEE_CALL, get_instance);
6237 mono_mb_emit_ldloc (mb, conv_arg);
6238 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_managed);
6240 mono_mb_patch_branch (mb, pos2);
6244 g_assert_not_reached ();
6252 emit_marshal_asany (EmitMarshalContext *m, int argnum, MonoType *t,
6253 MonoMarshalSpec *spec,
6254 int conv_arg, MonoType **conv_arg_type,
6255 MarshalAction action)
6258 MonoMethodBuilder *mb = m->mb;
6261 case MARSHAL_ACTION_CONV_IN: {
6262 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, NULL);
6264 g_assert (t->type == MONO_TYPE_OBJECT);
6265 g_assert (!t->byref);
6267 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6268 mono_mb_emit_ldarg (mb, argnum);
6269 mono_mb_emit_icon (mb, encoding);
6270 mono_mb_emit_icon (mb, t->attrs);
6271 mono_mb_emit_icall (mb, mono_marshal_asany);
6272 mono_mb_emit_stloc (mb, conv_arg);
6276 case MARSHAL_ACTION_PUSH:
6277 mono_mb_emit_ldloc (mb, conv_arg);
6280 case MARSHAL_ACTION_CONV_OUT: {
6281 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, NULL);
6283 mono_mb_emit_ldarg (mb, argnum);
6284 mono_mb_emit_ldloc (mb, conv_arg);
6285 mono_mb_emit_icon (mb, encoding);
6286 mono_mb_emit_icon (mb, t->attrs);
6287 mono_mb_emit_icall (mb, mono_marshal_free_asany);
6292 g_assert_not_reached ();
6299 emit_marshal_vtype (EmitMarshalContext *m, int argnum, MonoType *t,
6300 MonoMarshalSpec *spec,
6301 int conv_arg, MonoType **conv_arg_type,
6302 MarshalAction action)
6305 MonoMethodBuilder *mb = m->mb;
6306 MonoClass *klass, *date_time_class;
6309 klass = mono_class_from_mono_type (t);
6311 date_time_class = mono_class_from_name_cached (mono_defaults.corlib, "System", "DateTime");
6314 case MARSHAL_ACTION_CONV_IN:
6315 if (klass == date_time_class) {
6316 /* Convert it to an OLE DATE type */
6317 static MonoMethod *to_oadate;
6320 to_oadate = mono_class_get_method_from_name (date_time_class, "ToOADate", 0);
6321 g_assert (to_oadate);
6323 conv_arg = mono_mb_add_local (mb, &mono_defaults.double_class->byval_arg);
6326 mono_mb_emit_ldarg (mb, argnum);
6327 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6330 if (!(t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && (t->attrs & PARAM_ATTRIBUTE_OUT))) {
6332 m->csig->params [argnum - m->csig->hasthis] = &mono_defaults.double_class->byval_arg;
6334 mono_mb_emit_ldarg_addr (mb, argnum);
6335 mono_mb_emit_managed_call (mb, to_oadate, NULL);
6336 mono_mb_emit_stloc (mb, conv_arg);
6340 mono_mb_patch_branch (mb, pos);
6344 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6345 klass->blittable || klass->enumtype)
6348 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6350 /* store the address of the source into local variable 0 */
6352 mono_mb_emit_ldarg (mb, argnum);
6354 mono_mb_emit_ldarg_addr (mb, argnum);
6356 mono_mb_emit_stloc (mb, 0);
6358 /* allocate space for the native struct and
6359 * store the address into local variable 1 (dest) */
6360 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
6361 mono_mb_emit_byte (mb, CEE_PREFIX1);
6362 mono_mb_emit_byte (mb, CEE_LOCALLOC);
6363 mono_mb_emit_stloc (mb, conv_arg);
6366 mono_mb_emit_ldloc (mb, 0);
6367 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6370 if (!(t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && (t->attrs & PARAM_ATTRIBUTE_OUT))) {
6372 mono_mb_emit_ldloc (mb, conv_arg);
6373 mono_mb_emit_stloc (mb, 1);
6375 /* emit valuetype conversion code */
6376 emit_struct_conv (mb, klass, FALSE);
6380 mono_mb_patch_branch (mb, pos);
6383 case MARSHAL_ACTION_PUSH:
6384 if (spec && spec->native == MONO_NATIVE_LPSTRUCT) {
6386 g_assert (!t->byref);
6388 /* Have to change the signature since the vtype is passed byref */
6389 m->csig->params [argnum - m->csig->hasthis] = &mono_defaults.int_class->byval_arg;
6391 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6392 klass->blittable || klass->enumtype)
6393 mono_mb_emit_ldarg_addr (mb, argnum);
6395 mono_mb_emit_ldloc (mb, conv_arg);
6399 if (klass == date_time_class) {
6401 mono_mb_emit_ldloc_addr (mb, conv_arg);
6403 mono_mb_emit_ldloc (mb, conv_arg);
6407 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6408 klass->blittable || klass->enumtype) {
6409 mono_mb_emit_ldarg (mb, argnum);
6412 mono_mb_emit_ldloc (mb, conv_arg);
6414 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6415 mono_mb_emit_op (mb, CEE_MONO_LDNATIVEOBJ, klass);
6419 case MARSHAL_ACTION_CONV_OUT:
6420 if (klass == date_time_class) {
6421 /* Convert from an OLE DATE type */
6422 static MonoMethod *from_oadate;
6427 if (!((t->attrs & PARAM_ATTRIBUTE_IN) && !(t->attrs & PARAM_ATTRIBUTE_OUT))) {
6429 from_oadate = mono_class_get_method_from_name (date_time_class, "FromOADate", 1);
6430 g_assert (from_oadate);
6432 mono_mb_emit_ldarg (mb, argnum);
6433 mono_mb_emit_ldloc (mb, conv_arg);
6434 mono_mb_emit_managed_call (mb, from_oadate, NULL);
6435 mono_mb_emit_op (mb, CEE_STOBJ, date_time_class);
6440 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6441 klass->blittable || klass->enumtype)
6445 /* dst = argument */
6446 mono_mb_emit_ldarg (mb, argnum);
6447 mono_mb_emit_stloc (mb, 1);
6449 mono_mb_emit_ldloc (mb, 1);
6450 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6452 if (!((t->attrs & PARAM_ATTRIBUTE_IN) && !(t->attrs & PARAM_ATTRIBUTE_OUT))) {
6453 /* src = tmp_locals [i] */
6454 mono_mb_emit_ldloc (mb, conv_arg);
6455 mono_mb_emit_stloc (mb, 0);
6457 /* emit valuetype conversion code */
6458 emit_struct_conv (mb, klass, TRUE);
6462 emit_struct_free (mb, klass, conv_arg);
6465 mono_mb_patch_branch (mb, pos);
6468 case MARSHAL_ACTION_CONV_RESULT:
6469 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6471 mono_mb_emit_stloc (mb, 3);
6475 /* load pointer to returned value type */
6476 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6477 mono_mb_emit_byte (mb, CEE_MONO_VTADDR);
6478 /* store the address of the source into local variable 0 */
6479 mono_mb_emit_stloc (mb, 0);
6481 mono_mb_emit_ldloc_addr (mb, 3);
6482 mono_mb_emit_stloc (mb, 1);
6484 /* emit valuetype conversion code */
6485 emit_struct_conv (mb, klass, TRUE);
6488 case MARSHAL_ACTION_MANAGED_CONV_IN:
6489 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6490 klass->blittable || klass->enumtype) {
6495 conv_arg = mono_mb_add_local (mb, &klass->byval_arg);
6497 if (t->attrs & PARAM_ATTRIBUTE_OUT)
6501 mono_mb_emit_ldarg (mb, argnum);
6503 mono_mb_emit_ldarg_addr (mb, argnum);
6504 mono_mb_emit_stloc (mb, 0);
6507 mono_mb_emit_ldloc (mb, 0);
6508 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6511 mono_mb_emit_ldloc_addr (mb, conv_arg);
6512 mono_mb_emit_stloc (mb, 1);
6514 /* emit valuetype conversion code */
6515 emit_struct_conv (mb, klass, TRUE);
6518 mono_mb_patch_branch (mb, pos);
6521 case MARSHAL_ACTION_MANAGED_CONV_OUT:
6522 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6523 klass->blittable || klass->enumtype) {
6527 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_IN) && !(t->attrs & PARAM_ATTRIBUTE_OUT))
6530 /* Check for null */
6531 mono_mb_emit_ldarg (mb, argnum);
6532 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6535 mono_mb_emit_ldloc_addr (mb, conv_arg);
6536 mono_mb_emit_stloc (mb, 0);
6539 mono_mb_emit_ldarg (mb, argnum);
6540 mono_mb_emit_stloc (mb, 1);
6542 /* emit valuetype conversion code */
6543 emit_struct_conv (mb, klass, FALSE);
6545 mono_mb_patch_branch (mb, pos2);
6548 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
6549 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6550 klass->blittable || klass->enumtype) {
6551 mono_mb_emit_stloc (mb, 3);
6556 /* load pointer to returned value type */
6557 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6558 mono_mb_emit_byte (mb, CEE_MONO_VTADDR);
6560 /* store the address of the source into local variable 0 */
6561 mono_mb_emit_stloc (mb, 0);
6562 /* allocate space for the native struct and
6563 * store the address into dst_ptr */
6564 m->retobj_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6565 m->retobj_class = klass;
6566 g_assert (m->retobj_var);
6567 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
6568 mono_mb_emit_byte (mb, CEE_CONV_I);
6569 mono_mb_emit_icall (mb, mono_marshal_alloc);
6570 mono_mb_emit_stloc (mb, 1);
6571 mono_mb_emit_ldloc (mb, 1);
6572 mono_mb_emit_stloc (mb, m->retobj_var);
6574 /* emit valuetype conversion code */
6575 emit_struct_conv (mb, klass, FALSE);
6579 g_assert_not_reached ();
6586 emit_marshal_string (EmitMarshalContext *m, int argnum, MonoType *t,
6587 MonoMarshalSpec *spec,
6588 int conv_arg, MonoType **conv_arg_type,
6589 MarshalAction action)
6593 case MARSHAL_ACTION_CONV_IN:
6594 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6596 case MARSHAL_ACTION_MANAGED_CONV_IN:
6597 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6601 MonoMethodBuilder *mb = m->mb;
6602 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
6603 MonoMarshalConv conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
6607 case MARSHAL_ACTION_CONV_IN:
6608 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6609 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6612 if (t->attrs & PARAM_ATTRIBUTE_OUT)
6615 mono_mb_emit_ldarg (mb, argnum);
6616 mono_mb_emit_byte (mb, CEE_LDIND_I);
6618 mono_mb_emit_ldarg (mb, argnum);
6622 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
6623 mono_mb_emit_exception_marshal_directive (mb, msg);
6625 mono_mb_emit_icall (mb, conv_to_icall (conv));
6627 mono_mb_emit_stloc (mb, conv_arg);
6631 case MARSHAL_ACTION_CONV_OUT:
6632 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
6634 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
6635 mono_mb_emit_exception_marshal_directive (mb, msg);
6639 if (encoding == MONO_NATIVE_VBBYREFSTR) {
6640 static MonoMethod *m;
6643 m = mono_class_get_method_from_name_flags (mono_defaults.string_class, "get_Length", -1, 0);
6648 char *msg = g_strdup_printf ("VBByRefStr marshalling requires a ref parameter.", encoding);
6649 mono_mb_emit_exception_marshal_directive (mb, msg);
6654 * Have to allocate a new string with the same length as the original, and
6655 * copy the contents of the buffer pointed to by CONV_ARG into it.
6657 g_assert (t->byref);
6658 mono_mb_emit_ldarg (mb, argnum);
6659 mono_mb_emit_ldloc (mb, conv_arg);
6660 mono_mb_emit_ldarg (mb, argnum);
6661 mono_mb_emit_byte (mb, CEE_LDIND_I);
6662 mono_mb_emit_managed_call (mb, m, NULL);
6663 mono_mb_emit_icall (mb, mono_string_new_len_wrapper);
6664 mono_mb_emit_byte (mb, CEE_STIND_REF);
6665 } else if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT || !(t->attrs & PARAM_ATTRIBUTE_IN))) {
6666 mono_mb_emit_ldarg (mb, argnum);
6667 mono_mb_emit_ldloc (mb, conv_arg);
6668 mono_mb_emit_icall (mb, conv_to_icall (conv));
6669 mono_mb_emit_byte (mb, CEE_STIND_REF);
6674 mono_mb_emit_ldloc (mb, conv_arg);
6675 if (conv == MONO_MARSHAL_CONV_BSTR_STR)
6676 mono_mb_emit_icall (mb, mono_free_bstr);
6678 mono_mb_emit_icall (mb, mono_marshal_free);
6682 case MARSHAL_ACTION_PUSH:
6683 if (t->byref && encoding != MONO_NATIVE_VBBYREFSTR)
6684 mono_mb_emit_ldloc_addr (mb, conv_arg);
6686 mono_mb_emit_ldloc (mb, conv_arg);
6689 case MARSHAL_ACTION_CONV_RESULT:
6690 mono_mb_emit_stloc (mb, 0);
6692 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
6694 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
6695 mono_mb_emit_exception_marshal_directive (mb, msg);
6699 mono_mb_emit_ldloc (mb, 0);
6700 mono_mb_emit_icall (mb, conv_to_icall (conv));
6701 mono_mb_emit_stloc (mb, 3);
6703 /* free the string */
6704 mono_mb_emit_ldloc (mb, 0);
6705 if (conv == MONO_MARSHAL_CONV_BSTR_STR)
6706 mono_mb_emit_icall (mb, mono_free_bstr);
6708 mono_mb_emit_icall (mb, mono_marshal_free);
6711 case MARSHAL_ACTION_MANAGED_CONV_IN:
6712 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
6714 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6717 if (t->attrs & PARAM_ATTRIBUTE_OUT)
6721 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
6723 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
6724 mono_mb_emit_exception_marshal_directive (mb, msg);
6728 mono_mb_emit_ldarg (mb, argnum);
6730 mono_mb_emit_byte (mb, CEE_LDIND_I);
6731 mono_mb_emit_icall (mb, conv_to_icall (conv));
6732 mono_mb_emit_stloc (mb, conv_arg);
6735 case MARSHAL_ACTION_MANAGED_CONV_OUT:
6738 mono_mb_emit_ldarg (mb, argnum);
6739 mono_mb_emit_ldloc (mb, conv_arg);
6740 mono_mb_emit_icall (mb, conv_to_icall (conv));
6741 mono_mb_emit_byte (mb, CEE_STIND_I);
6746 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
6747 if (conv_to_icall (conv) == mono_marshal_string_to_utf16)
6748 /* We need to make a copy so the caller is able to free it */
6749 mono_mb_emit_icall (mb, mono_marshal_string_to_utf16_copy);
6751 mono_mb_emit_icall (mb, conv_to_icall (conv));
6752 mono_mb_emit_stloc (mb, 3);
6756 g_assert_not_reached ();
6764 emit_marshal_safehandle (EmitMarshalContext *m, int argnum, MonoType *t,
6765 MonoMarshalSpec *spec, int conv_arg,
6766 MonoType **conv_arg_type, MarshalAction action)
6769 if (action == MARSHAL_ACTION_CONV_IN)
6770 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6772 MonoMethodBuilder *mb = m->mb;
6775 case MARSHAL_ACTION_CONV_IN: {
6776 MonoType *intptr_type;
6777 int dar_release_slot, pos;
6779 intptr_type = &mono_defaults.int_class->byval_arg;
6780 conv_arg = mono_mb_add_local (mb, intptr_type);
6781 *conv_arg_type = intptr_type;
6783 if (!sh_dangerous_add_ref)
6784 init_safe_handle ();
6786 mono_mb_emit_ldarg (mb, argnum);
6787 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
6788 mono_mb_emit_exception (mb, "ArgumentNullException", NULL);
6790 mono_mb_patch_branch (mb, pos);
6793 * My tests in show that ref SafeHandles are not really
6794 * passed as ref objects. Instead a NULL is passed as the
6797 mono_mb_emit_icon (mb, 0);
6798 mono_mb_emit_stloc (mb, conv_arg);
6802 /* Create local to hold the ref parameter to DangerousAddRef */
6803 dar_release_slot = mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
6805 /* set release = false; */
6806 mono_mb_emit_icon (mb, 0);
6807 mono_mb_emit_stloc (mb, dar_release_slot);
6809 /* safehandle.DangerousAddRef (ref release) */
6810 mono_mb_emit_ldarg (mb, argnum);
6811 mono_mb_emit_ldloc_addr (mb, dar_release_slot);
6812 mono_mb_emit_managed_call (mb, sh_dangerous_add_ref, NULL);
6814 /* Pull the handle field from SafeHandle */
6815 mono_mb_emit_ldarg (mb, argnum);
6816 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoSafeHandle, handle));
6817 mono_mb_emit_byte (mb, CEE_LDIND_I);
6818 mono_mb_emit_stloc (mb, conv_arg);
6823 case MARSHAL_ACTION_PUSH:
6825 mono_mb_emit_ldloc_addr (mb, conv_arg);
6827 mono_mb_emit_ldloc (mb, conv_arg);
6830 case MARSHAL_ACTION_CONV_OUT: {
6831 /* The slot for the boolean is the next temporary created after conv_arg, see the CONV_IN code */
6832 int dar_release_slot = conv_arg + 1;
6835 if (!sh_dangerous_release)
6836 init_safe_handle ();
6842 * My tests indicate that ref SafeHandles parameters are not actually
6843 * passed by ref, but instead a new Handle is created regardless of
6844 * whether a change happens in the unmanaged side.
6846 * Also, the Handle is created before calling into unmanaged code,
6847 * but we do not support that mechanism (getting to the original
6848 * handle) and it makes no difference where we create this
6850 ctor = mono_class_get_method_from_name (t->data.klass, ".ctor", 0);
6852 mono_mb_emit_exception (mb, "MissingMethodException", "paramterless constructor required");
6855 /* refval = new SafeHandleDerived ()*/
6856 mono_mb_emit_ldarg (mb, argnum);
6857 mono_mb_emit_op (mb, CEE_NEWOBJ, ctor);
6858 mono_mb_emit_byte (mb, CEE_STIND_REF);
6860 /* refval.handle = returned_handle */
6861 mono_mb_emit_ldarg (mb, argnum);
6862 mono_mb_emit_byte (mb, CEE_LDIND_REF);
6863 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoSafeHandle, handle));
6864 mono_mb_emit_ldloc (mb, conv_arg);
6865 mono_mb_emit_byte (mb, CEE_STIND_I);
6867 mono_mb_emit_ldloc (mb, dar_release_slot);
6868 label_next = mono_mb_emit_branch (mb, CEE_BRFALSE);
6869 mono_mb_emit_ldarg (mb, argnum);
6870 mono_mb_emit_managed_call (mb, sh_dangerous_release, NULL);
6871 mono_mb_patch_branch (mb, label_next);
6876 case MARSHAL_ACTION_CONV_RESULT: {
6877 MonoMethod *ctor = NULL;
6878 int intptr_handle_slot;
6880 if (t->data.klass->flags & TYPE_ATTRIBUTE_ABSTRACT){
6881 mono_mb_emit_byte (mb, CEE_POP);
6882 mono_mb_emit_exception_marshal_directive (mb, g_strdup ("Returned SafeHandles should not be abstract"));
6886 ctor = mono_class_get_method_from_name (t->data.klass, ".ctor", 0);
6888 mono_mb_emit_byte (mb, CEE_POP);
6889 mono_mb_emit_exception (mb, "MissingMethodException", "paramterless constructor required");
6892 /* Store the IntPtr results into a local */
6893 intptr_handle_slot = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6894 mono_mb_emit_stloc (mb, intptr_handle_slot);
6896 /* Create return value */
6897 mono_mb_emit_op (mb, CEE_NEWOBJ, ctor);
6898 mono_mb_emit_stloc (mb, 3);
6900 /* Set the return.handle to the value, am using ldflda, not sure if thats a good idea */
6901 mono_mb_emit_ldloc (mb, 3);
6902 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoSafeHandle, handle));
6903 mono_mb_emit_ldloc (mb, intptr_handle_slot);
6904 mono_mb_emit_byte (mb, CEE_STIND_I);
6908 case MARSHAL_ACTION_MANAGED_CONV_IN:
6909 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_IN\n");
6912 case MARSHAL_ACTION_MANAGED_CONV_OUT:
6913 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_OUT\n");
6916 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
6917 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_RESULT\n");
6920 printf ("Unhandled case for MarshalAction: %d\n", action);
6928 emit_marshal_handleref (EmitMarshalContext *m, int argnum, MonoType *t,
6929 MonoMarshalSpec *spec, int conv_arg,
6930 MonoType **conv_arg_type, MarshalAction action)
6933 if (action == MARSHAL_ACTION_CONV_IN)
6934 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6936 MonoMethodBuilder *mb = m->mb;
6939 case MARSHAL_ACTION_CONV_IN: {
6940 MonoType *intptr_type;
6942 intptr_type = &mono_defaults.int_class->byval_arg;
6943 conv_arg = mono_mb_add_local (mb, intptr_type);
6944 *conv_arg_type = intptr_type;
6947 char *msg = g_strdup ("HandleRefs can not be returned from unmanaged code (or passed by ref)");
6948 mono_mb_emit_exception_marshal_directive (mb, msg);
6951 mono_mb_emit_ldarg_addr (mb, argnum);
6952 mono_mb_emit_icon (mb, MONO_STRUCT_OFFSET (MonoHandleRef, handle));
6953 mono_mb_emit_byte (mb, CEE_ADD);
6954 mono_mb_emit_byte (mb, CEE_LDIND_I);
6955 mono_mb_emit_stloc (mb, conv_arg);
6959 case MARSHAL_ACTION_PUSH:
6960 mono_mb_emit_ldloc (mb, conv_arg);
6963 case MARSHAL_ACTION_CONV_OUT: {
6964 /* no resource release required */
6968 case MARSHAL_ACTION_CONV_RESULT: {
6969 char *msg = g_strdup ("HandleRefs can not be returned from unmanaged code (or passed by ref)");
6970 mono_mb_emit_exception_marshal_directive (mb, msg);
6974 case MARSHAL_ACTION_MANAGED_CONV_IN:
6975 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_IN\n");
6978 case MARSHAL_ACTION_MANAGED_CONV_OUT:
6979 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_OUT\n");
6982 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
6983 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_RESULT\n");
6986 fprintf (stderr, "Unhandled case for MarshalAction: %d\n", action);
6994 emit_marshal_object (EmitMarshalContext *m, int argnum, MonoType *t,
6995 MonoMarshalSpec *spec,
6996 int conv_arg, MonoType **conv_arg_type,
6997 MarshalAction action)
7000 if (action == MARSHAL_ACTION_CONV_IN)
7001 *conv_arg_type = &mono_defaults.int_class->byval_arg;
7003 MonoMethodBuilder *mb = m->mb;
7004 MonoClass *klass = mono_class_from_mono_type (t);
7008 case MARSHAL_ACTION_CONV_IN:
7009 *conv_arg_type = &mono_defaults.int_class->byval_arg;
7010 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7012 m->orig_conv_args [argnum] = 0;
7014 if (mono_class_from_mono_type (t) == mono_defaults.object_class) {
7015 char *msg = g_strdup_printf ("Marshalling of type object is not implemented");
7016 mono_mb_emit_exception_marshal_directive (mb, msg);
7020 if (klass->delegate) {
7022 if (!(t->attrs & PARAM_ATTRIBUTE_OUT)) {
7023 char *msg = g_strdup_printf ("Byref marshalling of delegates is not implemented.");
7024 mono_mb_emit_exception_marshal_directive (mb, msg);
7026 mono_mb_emit_byte (mb, CEE_LDNULL);
7027 mono_mb_emit_stloc (mb, conv_arg);
7029 mono_mb_emit_ldarg (mb, argnum);
7030 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_DEL_FTN));
7031 mono_mb_emit_stloc (mb, conv_arg);
7033 } else if (klass == mono_defaults.stringbuilder_class) {
7034 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
7035 MonoMarshalConv conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
7039 if (!(t->attrs & PARAM_ATTRIBUTE_OUT)) {
7040 char *msg = g_strdup_printf ("Byref marshalling of stringbuilders is not implemented.");
7041 mono_mb_emit_exception_marshal_directive (mb, msg);
7047 if (t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && (t->attrs & PARAM_ATTRIBUTE_OUT))
7051 char *msg = g_strdup_printf ("stringbuilder marshalling conversion %d not implemented", encoding);
7052 mono_mb_emit_exception_marshal_directive (mb, msg);
7056 mono_mb_emit_ldarg (mb, argnum);
7058 mono_mb_emit_byte (mb, CEE_LDIND_I);
7060 mono_mb_emit_icall (mb, conv_to_icall (conv));
7061 mono_mb_emit_stloc (mb, conv_arg);
7062 } else if (klass->blittable) {
7063 mono_mb_emit_byte (mb, CEE_LDNULL);
7064 mono_mb_emit_stloc (mb, conv_arg);
7066 mono_mb_emit_ldarg (mb, argnum);
7067 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
7069 mono_mb_emit_ldarg (mb, argnum);
7070 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
7071 mono_mb_emit_stloc (mb, conv_arg);
7073 mono_mb_patch_branch (mb, pos);
7076 mono_mb_emit_byte (mb, CEE_LDNULL);
7077 mono_mb_emit_stloc (mb, conv_arg);
7080 /* we dont need any conversions for out parameters */
7081 if (t->attrs & PARAM_ATTRIBUTE_OUT)
7084 mono_mb_emit_ldarg (mb, argnum);
7085 mono_mb_emit_byte (mb, CEE_LDIND_I);
7088 mono_mb_emit_ldarg (mb, argnum);
7089 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
7090 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
7093 /* store the address of the source into local variable 0 */
7094 mono_mb_emit_stloc (mb, 0);
7095 mono_mb_emit_ldloc (mb, 0);
7096 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
7098 /* allocate space for the native struct and store the address */
7099 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
7100 mono_mb_emit_byte (mb, CEE_PREFIX1);
7101 mono_mb_emit_byte (mb, CEE_LOCALLOC);
7102 mono_mb_emit_stloc (mb, conv_arg);
7105 /* Need to store the original buffer so we can free it later */
7106 m->orig_conv_args [argnum] = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7107 mono_mb_emit_ldloc (mb, conv_arg);
7108 mono_mb_emit_stloc (mb, m->orig_conv_args [argnum]);
7111 /* set the src_ptr */
7112 mono_mb_emit_ldloc (mb, 0);
7113 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
7114 mono_mb_emit_stloc (mb, 0);
7117 mono_mb_emit_ldloc (mb, conv_arg);
7118 mono_mb_emit_stloc (mb, 1);
7120 /* emit valuetype conversion code */
7121 emit_struct_conv (mb, klass, FALSE);
7123 mono_mb_patch_branch (mb, pos);
7127 case MARSHAL_ACTION_CONV_OUT:
7128 if (klass == mono_defaults.stringbuilder_class) {
7130 MonoMarshalNative encoding;
7131 MonoMarshalConv conv;
7133 encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
7134 conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free);
7136 g_assert (encoding != -1);
7139 //g_assert (!(t->attrs & PARAM_ATTRIBUTE_OUT));
7143 mono_mb_emit_ldarg (mb, argnum);
7144 mono_mb_emit_ldloc (mb, conv_arg);
7147 case MONO_NATIVE_LPWSTR:
7148 mono_mb_emit_icall (mb, mono_string_utf16_to_builder2);
7150 case MONO_NATIVE_LPSTR:
7151 mono_mb_emit_icall (mb, mono_string_utf8_to_builder2);
7154 g_assert_not_reached ();
7157 mono_mb_emit_byte (mb, CEE_STIND_REF);
7159 mono_mb_emit_ldarg (mb, argnum);
7160 mono_mb_emit_ldloc (mb, conv_arg);
7162 mono_mb_emit_icall (mb, conv_to_icall (conv));
7166 mono_mb_emit_ldloc (mb, conv_arg);
7167 mono_mb_emit_icall (mb, mono_marshal_free);
7172 if (klass->delegate) {
7174 mono_mb_emit_ldarg (mb, argnum);
7175 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
7176 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
7177 mono_mb_emit_ldloc (mb, conv_arg);
7178 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_FTN_DEL));
7179 mono_mb_emit_byte (mb, CEE_STIND_REF);
7184 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT)) {
7185 /* allocate a new object */
7186 mono_mb_emit_ldarg (mb, argnum);
7187 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
7188 mono_mb_emit_op (mb, CEE_MONO_NEWOBJ, klass);
7189 mono_mb_emit_byte (mb, CEE_STIND_REF);
7192 /* dst = *argument */
7193 mono_mb_emit_ldarg (mb, argnum);
7196 mono_mb_emit_byte (mb, CEE_LDIND_I);
7198 mono_mb_emit_stloc (mb, 1);
7200 mono_mb_emit_ldloc (mb, 1);
7201 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
7203 if (t->byref || (t->attrs & PARAM_ATTRIBUTE_OUT)) {
7204 mono_mb_emit_ldloc (mb, 1);
7205 mono_mb_emit_icon (mb, sizeof (MonoObject));
7206 mono_mb_emit_byte (mb, CEE_ADD);
7207 mono_mb_emit_stloc (mb, 1);
7209 /* src = tmp_locals [i] */
7210 mono_mb_emit_ldloc (mb, conv_arg);
7211 mono_mb_emit_stloc (mb, 0);
7213 /* emit valuetype conversion code */
7214 emit_struct_conv (mb, klass, TRUE);
7216 /* Free the structure returned by the native code */
7217 emit_struct_free (mb, klass, conv_arg);
7219 if (m->orig_conv_args [argnum]) {
7221 * If the native function changed the pointer, then free
7222 * the original structure plus the new pointer.
7224 mono_mb_emit_ldloc (mb, m->orig_conv_args [argnum]);
7225 mono_mb_emit_ldloc (mb, conv_arg);
7226 pos2 = mono_mb_emit_branch (mb, CEE_BEQ);
7228 if (!(t->attrs & PARAM_ATTRIBUTE_OUT)) {
7229 g_assert (m->orig_conv_args [argnum]);
7231 emit_struct_free (mb, klass, m->orig_conv_args [argnum]);
7234 mono_mb_emit_ldloc (mb, conv_arg);
7235 mono_mb_emit_icall (mb, mono_marshal_free);
7237 mono_mb_patch_branch (mb, pos2);
7241 /* Free the original structure passed to native code */
7242 emit_struct_free (mb, klass, conv_arg);
7244 mono_mb_patch_branch (mb, pos);
7247 case MARSHAL_ACTION_PUSH:
7249 mono_mb_emit_ldloc_addr (mb, conv_arg);
7251 mono_mb_emit_ldloc (mb, conv_arg);
7254 case MARSHAL_ACTION_CONV_RESULT:
7255 if (klass->delegate) {
7256 g_assert (!t->byref);
7257 mono_mb_emit_stloc (mb, 0);
7258 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
7259 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
7260 mono_mb_emit_ldloc (mb, 0);
7261 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_FTN_DEL));
7262 mono_mb_emit_stloc (mb, 3);
7265 mono_mb_emit_stloc (mb, 0);
7267 /* Make a copy since emit_conv modifies local 0 */
7268 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7269 mono_mb_emit_ldloc (mb, 0);
7270 mono_mb_emit_stloc (mb, loc);
7272 mono_mb_emit_byte (mb, CEE_LDNULL);
7273 mono_mb_emit_stloc (mb, 3);
7275 mono_mb_emit_ldloc (mb, 0);
7276 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
7278 /* allocate result object */
7280 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
7281 mono_mb_emit_op (mb, CEE_MONO_NEWOBJ, klass);
7282 mono_mb_emit_stloc (mb, 3);
7286 mono_mb_emit_ldloc (mb, 3);
7287 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
7288 mono_mb_emit_stloc (mb, 1);
7290 /* emit conversion code */
7291 emit_struct_conv (mb, klass, TRUE);
7293 emit_struct_free (mb, klass, loc);
7295 /* Free the pointer allocated by unmanaged code */
7296 mono_mb_emit_ldloc (mb, loc);
7297 mono_mb_emit_icall (mb, mono_marshal_free);
7298 mono_mb_patch_branch (mb, pos);
7302 case MARSHAL_ACTION_MANAGED_CONV_IN:
7303 conv_arg = mono_mb_add_local (mb, &klass->byval_arg);
7305 if (klass->delegate) {
7306 g_assert (!t->byref);
7307 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
7308 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
7309 mono_mb_emit_ldarg (mb, argnum);
7310 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_FTN_DEL));
7311 mono_mb_emit_stloc (mb, conv_arg);
7315 if (klass == mono_defaults.stringbuilder_class) {
7316 MonoMarshalNative encoding;
7318 encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
7321 g_assert (encoding == MONO_NATIVE_LPSTR);
7323 g_assert (!t->byref);
7324 g_assert (encoding != -1);
7326 mono_mb_emit_ldarg (mb, argnum);
7327 mono_mb_emit_icall (mb, mono_string_utf8_to_builder2);
7328 mono_mb_emit_stloc (mb, conv_arg);
7332 /* The class can not have an automatic layout */
7333 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
7334 mono_mb_emit_auto_layout_exception (mb, klass);
7338 if (t->attrs & PARAM_ATTRIBUTE_OUT) {
7339 mono_mb_emit_byte (mb, CEE_LDNULL);
7340 mono_mb_emit_stloc (mb, conv_arg);
7345 mono_mb_emit_ldarg (mb, argnum);
7349 /* Check for NULL and raise an exception */
7350 pos2 = mono_mb_emit_branch (mb, CEE_BRTRUE);
7352 mono_mb_emit_exception (mb, "ArgumentNullException", NULL);
7354 mono_mb_patch_branch (mb, pos2);
7355 mono_mb_emit_ldarg (mb, argnum);
7356 mono_mb_emit_byte (mb, CEE_LDIND_I);
7359 mono_mb_emit_stloc (mb, 0);
7361 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7362 mono_mb_emit_stloc (mb, conv_arg);
7364 mono_mb_emit_ldloc (mb, 0);
7365 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
7367 /* Create and set dst */
7368 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
7369 mono_mb_emit_op (mb, CEE_MONO_NEWOBJ, klass);
7370 mono_mb_emit_stloc (mb, conv_arg);
7371 mono_mb_emit_ldloc (mb, conv_arg);
7372 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
7373 mono_mb_emit_stloc (mb, 1);
7375 /* emit valuetype conversion code */
7376 emit_struct_conv (mb, klass, TRUE);
7378 mono_mb_patch_branch (mb, pos);
7381 case MARSHAL_ACTION_MANAGED_CONV_OUT:
7383 /* Check for null */
7384 mono_mb_emit_ldloc (mb, conv_arg);
7385 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
7386 mono_mb_emit_ldarg (mb, argnum);
7387 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7388 mono_mb_emit_byte (mb, CEE_STIND_REF);
7389 pos2 = mono_mb_emit_branch (mb, CEE_BR);
7391 mono_mb_patch_branch (mb, pos);
7394 mono_mb_emit_ldloc (mb, conv_arg);
7395 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
7396 mono_mb_emit_stloc (mb, 0);
7398 /* Allocate and set dest */
7399 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
7400 mono_mb_emit_byte (mb, CEE_CONV_I);
7401 mono_mb_emit_icall (mb, mono_marshal_alloc);
7402 mono_mb_emit_stloc (mb, 1);
7404 /* Update argument pointer */
7405 mono_mb_emit_ldarg (mb, argnum);
7406 mono_mb_emit_ldloc (mb, 1);
7407 mono_mb_emit_byte (mb, CEE_STIND_I);
7409 /* emit valuetype conversion code */
7410 emit_struct_conv (mb, klass, FALSE);
7412 mono_mb_patch_branch (mb, pos2);
7414 /* byval [Out] marshalling */
7416 /* FIXME: Handle null */
7419 mono_mb_emit_ldloc (mb, conv_arg);
7420 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
7421 mono_mb_emit_stloc (mb, 0);
7424 mono_mb_emit_ldarg (mb, argnum);
7425 mono_mb_emit_stloc (mb, 1);
7427 /* emit valuetype conversion code */
7428 emit_struct_conv (mb, klass, FALSE);
7432 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
7433 if (klass->delegate) {
7434 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_DEL_FTN));
7435 mono_mb_emit_stloc (mb, 3);
7439 /* The class can not have an automatic layout */
7440 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
7441 mono_mb_emit_auto_layout_exception (mb, klass);
7445 mono_mb_emit_stloc (mb, 0);
7446 /* Check for null */
7447 mono_mb_emit_ldloc (mb, 0);
7448 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
7449 mono_mb_emit_byte (mb, CEE_LDNULL);
7450 mono_mb_emit_stloc (mb, 3);
7451 pos2 = mono_mb_emit_branch (mb, CEE_BR);
7453 mono_mb_patch_branch (mb, pos);
7456 mono_mb_emit_ldloc (mb, 0);
7457 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
7458 mono_mb_emit_stloc (mb, 0);
7460 /* Allocate and set dest */
7461 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
7462 mono_mb_emit_byte (mb, CEE_CONV_I);
7463 mono_mb_emit_icall (mb, mono_marshal_alloc);
7464 mono_mb_emit_byte (mb, CEE_DUP);
7465 mono_mb_emit_stloc (mb, 1);
7466 mono_mb_emit_stloc (mb, 3);
7468 emit_struct_conv (mb, klass, FALSE);
7470 mono_mb_patch_branch (mb, pos2);
7474 g_assert_not_reached ();
7485 emit_marshal_variant (EmitMarshalContext *m, int argnum, MonoType *t,
7486 MonoMarshalSpec *spec,
7487 int conv_arg, MonoType **conv_arg_type,
7488 MarshalAction action)
7490 MonoMethodBuilder *mb = m->mb;
7491 static MonoMethod *get_object_for_native_variant = NULL;
7492 static MonoMethod *get_native_variant_for_object = NULL;
7494 if (!get_object_for_native_variant)
7495 get_object_for_native_variant = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetObjectForNativeVariant", 1);
7496 g_assert (get_object_for_native_variant);
7498 if (!get_native_variant_for_object)
7499 get_native_variant_for_object = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetNativeVariantForObject", 2);
7500 g_assert (get_native_variant_for_object);
7503 case MARSHAL_ACTION_CONV_IN: {
7504 conv_arg = mono_mb_add_local (mb, &mono_class_get_variant_class ()->byval_arg);
7507 *conv_arg_type = &mono_class_get_variant_class ()->this_arg;
7509 *conv_arg_type = &mono_class_get_variant_class ()->byval_arg;
7511 if (t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && t->attrs & PARAM_ATTRIBUTE_OUT)
7514 mono_mb_emit_ldarg (mb, argnum);
7516 mono_mb_emit_byte(mb, CEE_LDIND_REF);
7517 mono_mb_emit_ldloc_addr (mb, conv_arg);
7518 mono_mb_emit_managed_call (mb, get_native_variant_for_object, NULL);
7522 case MARSHAL_ACTION_CONV_OUT: {
7523 static MonoMethod *variant_clear = NULL;
7526 variant_clear = mono_class_get_method_from_name (mono_class_get_variant_class (), "Clear", 0);
7527 g_assert (variant_clear);
7530 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT || !(t->attrs & PARAM_ATTRIBUTE_IN))) {
7531 mono_mb_emit_ldarg (mb, argnum);
7532 mono_mb_emit_ldloc_addr (mb, conv_arg);
7533 mono_mb_emit_managed_call (mb, get_object_for_native_variant, NULL);
7534 mono_mb_emit_byte (mb, CEE_STIND_REF);
7537 mono_mb_emit_ldloc_addr (mb, conv_arg);
7538 mono_mb_emit_managed_call (mb, variant_clear, NULL);
7542 case MARSHAL_ACTION_PUSH:
7544 mono_mb_emit_ldloc_addr (mb, conv_arg);
7546 mono_mb_emit_ldloc (mb, conv_arg);
7549 case MARSHAL_ACTION_CONV_RESULT: {
7550 char *msg = g_strdup ("Marshalling of VARIANT not supported as a return type.");
7551 mono_mb_emit_exception_marshal_directive (mb, msg);
7555 case MARSHAL_ACTION_MANAGED_CONV_IN: {
7556 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
7559 *conv_arg_type = &mono_class_get_variant_class ()->this_arg;
7561 *conv_arg_type = &mono_class_get_variant_class ()->byval_arg;
7563 if (t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && t->attrs & PARAM_ATTRIBUTE_OUT)
7567 mono_mb_emit_ldarg (mb, argnum);
7569 mono_mb_emit_ldarg_addr (mb, argnum);
7570 mono_mb_emit_managed_call (mb, get_object_for_native_variant, NULL);
7571 mono_mb_emit_stloc (mb, conv_arg);
7575 case MARSHAL_ACTION_MANAGED_CONV_OUT: {
7576 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT || !(t->attrs & PARAM_ATTRIBUTE_IN))) {
7577 mono_mb_emit_ldloc (mb, conv_arg);
7578 mono_mb_emit_ldarg (mb, argnum);
7579 mono_mb_emit_managed_call (mb, get_native_variant_for_object, NULL);
7584 case MARSHAL_ACTION_MANAGED_CONV_RESULT: {
7585 char *msg = g_strdup ("Marshalling of VARIANT not supported as a return type.");
7586 mono_mb_emit_exception_marshal_directive (mb, msg);
7591 g_assert_not_reached ();
7597 #endif /* DISABLE_COM */
7598 #endif /* DISABLE_JIT */
7601 mono_pinvoke_is_unicode (MonoMethodPInvoke *piinfo)
7603 switch (piinfo->piflags & PINVOKE_ATTRIBUTE_CHAR_SET_MASK) {
7604 case PINVOKE_ATTRIBUTE_CHAR_SET_ANSI:
7606 case PINVOKE_ATTRIBUTE_CHAR_SET_UNICODE:
7608 case PINVOKE_ATTRIBUTE_CHAR_SET_AUTO:
7620 emit_marshal_array (EmitMarshalContext *m, int argnum, MonoType *t,
7621 MonoMarshalSpec *spec,
7622 int conv_arg, MonoType **conv_arg_type,
7623 MarshalAction action)
7627 case MARSHAL_ACTION_CONV_IN:
7628 *conv_arg_type = &mono_defaults.object_class->byval_arg;
7630 case MARSHAL_ACTION_MANAGED_CONV_IN:
7631 *conv_arg_type = &mono_defaults.int_class->byval_arg;
7635 MonoMethodBuilder *mb = m->mb;
7636 MonoClass *klass = mono_class_from_mono_type (t);
7637 gboolean need_convert, need_free;
7638 MonoMarshalNative encoding;
7640 encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
7643 case MARSHAL_ACTION_CONV_IN:
7644 *conv_arg_type = &mono_defaults.object_class->byval_arg;
7645 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
7647 if (klass->element_class->blittable) {
7648 mono_mb_emit_ldarg (mb, argnum);
7650 mono_mb_emit_byte (mb, CEE_LDIND_I);
7651 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_ARRAY_LPARRAY));
7652 mono_mb_emit_stloc (mb, conv_arg);
7655 guint32 label1, label2, label3;
7656 int index_var, src_var, dest_ptr, esize;
7657 MonoMarshalConv conv;
7658 gboolean is_string = FALSE;
7660 dest_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7662 eklass = klass->element_class;
7664 if (eklass == mono_defaults.string_class) {
7666 conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
7668 else if (eklass == mono_defaults.stringbuilder_class) {
7670 conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
7675 if (is_string && conv == -1) {
7676 char *msg = g_strdup_printf ("string/stringbuilder marshalling conversion %d not implemented", encoding);
7677 mono_mb_emit_exception_marshal_directive (mb, msg);
7681 src_var = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
7682 mono_mb_emit_ldarg (mb, argnum);
7684 mono_mb_emit_byte (mb, CEE_LDIND_I);
7685 mono_mb_emit_stloc (mb, src_var);
7688 mono_mb_emit_ldloc (mb, src_var);
7689 mono_mb_emit_stloc (mb, conv_arg);
7690 mono_mb_emit_ldloc (mb, src_var);
7691 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
7694 esize = sizeof (gpointer);
7695 else if (eklass == mono_defaults.char_class) /*can't call mono_marshal_type_size since it causes all sorts of asserts*/
7696 esize = mono_pinvoke_is_unicode (m->piinfo) ? 2 : 1;
7698 esize = mono_class_native_size (eklass, NULL);
7700 /* allocate space for the native struct and store the address */
7701 mono_mb_emit_icon (mb, esize);
7702 mono_mb_emit_ldloc (mb, src_var);
7703 mono_mb_emit_byte (mb, CEE_LDLEN);
7705 if (eklass == mono_defaults.string_class) {
7706 /* Make the array bigger for the terminating null */
7707 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
7708 mono_mb_emit_byte (mb, CEE_ADD);
7710 mono_mb_emit_byte (mb, CEE_MUL);
7711 mono_mb_emit_byte (mb, CEE_PREFIX1);
7712 mono_mb_emit_byte (mb, CEE_LOCALLOC);
7713 mono_mb_emit_stloc (mb, conv_arg);
7715 mono_mb_emit_ldloc (mb, conv_arg);
7716 mono_mb_emit_stloc (mb, dest_ptr);
7718 /* Emit marshalling loop */
7719 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7720 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7721 mono_mb_emit_stloc (mb, index_var);
7722 label2 = mono_mb_get_label (mb);
7723 mono_mb_emit_ldloc (mb, index_var);
7724 mono_mb_emit_ldloc (mb, src_var);
7725 mono_mb_emit_byte (mb, CEE_LDLEN);
7726 label3 = mono_mb_emit_branch (mb, CEE_BGE);
7728 /* Emit marshalling code */
7731 mono_mb_emit_ldloc (mb, dest_ptr);
7732 mono_mb_emit_ldloc (mb, src_var);
7733 mono_mb_emit_ldloc (mb, index_var);
7734 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
7735 mono_mb_emit_icall (mb, conv_to_icall (conv));
7736 mono_mb_emit_byte (mb, CEE_STIND_I);
7738 /* set the src_ptr */
7739 mono_mb_emit_ldloc (mb, src_var);
7740 mono_mb_emit_ldloc (mb, index_var);
7741 mono_mb_emit_op (mb, CEE_LDELEMA, eklass);
7742 mono_mb_emit_stloc (mb, 0);
7745 mono_mb_emit_ldloc (mb, dest_ptr);
7746 mono_mb_emit_stloc (mb, 1);
7748 /* emit valuetype conversion code */
7749 emit_struct_conv_full (mb, eklass, FALSE, eklass == mono_defaults.char_class ? encoding : -1);
7752 mono_mb_emit_add_to_local (mb, index_var, 1);
7753 mono_mb_emit_add_to_local (mb, dest_ptr, esize);
7755 mono_mb_emit_branch_label (mb, CEE_BR, label2);
7757 mono_mb_patch_branch (mb, label3);
7759 if (eklass == mono_defaults.string_class) {
7760 /* Null terminate */
7761 mono_mb_emit_ldloc (mb, dest_ptr);
7762 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7763 mono_mb_emit_byte (mb, CEE_STIND_REF);
7766 mono_mb_patch_branch (mb, label1);
7771 case MARSHAL_ACTION_CONV_OUT:
7772 /* Unicode character arrays are implicitly marshalled as [Out] under MS.NET */
7773 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);
7774 need_free = mono_marshal_need_free (&klass->element_class->byval_arg,
7777 if (need_convert || need_free) {
7778 /* FIXME: Optimize blittable case */
7780 guint32 label1, label2, label3;
7781 int index_var, src_ptr, loc, esize;
7783 eklass = klass->element_class;
7784 if ((eklass == mono_defaults.stringbuilder_class) || (eklass == mono_defaults.string_class))
7785 esize = sizeof (gpointer);
7786 else if (eklass == mono_defaults.char_class)
7787 esize = mono_pinvoke_is_unicode (m->piinfo) ? 2 : 1;
7789 esize = mono_class_native_size (eklass, NULL);
7790 src_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7791 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7794 mono_mb_emit_ldarg (mb, argnum);
7796 mono_mb_emit_byte (mb, CEE_LDIND_I);
7797 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
7799 mono_mb_emit_ldloc (mb, conv_arg);
7800 mono_mb_emit_stloc (mb, src_ptr);
7802 /* Emit marshalling loop */
7803 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7804 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7805 mono_mb_emit_stloc (mb, index_var);
7806 label2 = mono_mb_get_label (mb);
7807 mono_mb_emit_ldloc (mb, index_var);
7808 mono_mb_emit_ldarg (mb, argnum);
7810 mono_mb_emit_byte (mb, CEE_LDIND_REF);
7811 mono_mb_emit_byte (mb, CEE_LDLEN);
7812 label3 = mono_mb_emit_branch (mb, CEE_BGE);
7814 /* Emit marshalling code */
7816 if (eklass == mono_defaults.stringbuilder_class) {
7817 gboolean need_free2;
7818 MonoMarshalConv conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free2);
7820 g_assert (conv != -1);
7823 mono_mb_emit_ldarg (mb, argnum);
7825 mono_mb_emit_byte (mb, CEE_LDIND_I);
7826 mono_mb_emit_ldloc (mb, index_var);
7827 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
7830 mono_mb_emit_ldloc (mb, src_ptr);
7831 mono_mb_emit_byte (mb, CEE_LDIND_I);
7833 mono_mb_emit_icall (mb, conv_to_icall (conv));
7837 mono_mb_emit_ldloc (mb, src_ptr);
7838 mono_mb_emit_byte (mb, CEE_LDIND_I);
7840 mono_mb_emit_icall (mb, mono_marshal_free);
7843 else if (eklass == mono_defaults.string_class) {
7846 mono_mb_emit_ldloc (mb, src_ptr);
7847 mono_mb_emit_byte (mb, CEE_LDIND_I);
7849 mono_mb_emit_icall (mb, mono_marshal_free);
7854 /* set the src_ptr */
7855 mono_mb_emit_ldloc (mb, src_ptr);
7856 mono_mb_emit_stloc (mb, 0);
7859 mono_mb_emit_ldarg (mb, argnum);
7861 mono_mb_emit_byte (mb, CEE_LDIND_REF);
7862 mono_mb_emit_ldloc (mb, index_var);
7863 mono_mb_emit_op (mb, CEE_LDELEMA, eklass);
7864 mono_mb_emit_stloc (mb, 1);
7866 /* emit valuetype conversion code */
7867 emit_struct_conv_full (mb, eklass, TRUE, eklass == mono_defaults.char_class ? encoding : -1);
7871 mono_mb_emit_ldloc (mb, src_ptr);
7872 mono_mb_emit_stloc (mb, loc);
7873 mono_mb_emit_ldloc (mb, loc);
7875 emit_struct_free (mb, eklass, loc);
7879 mono_mb_emit_add_to_local (mb, index_var, 1);
7880 mono_mb_emit_add_to_local (mb, src_ptr, esize);
7882 mono_mb_emit_branch_label (mb, CEE_BR, label2);
7884 mono_mb_patch_branch (mb, label1);
7885 mono_mb_patch_branch (mb, label3);
7888 if (klass->element_class->blittable) {
7889 /* free memory allocated (if any) by MONO_MARSHAL_CONV_ARRAY_LPARRAY */
7891 mono_mb_emit_ldarg (mb, argnum);
7892 mono_mb_emit_ldloc (mb, conv_arg);
7893 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_FREE_LPARRAY));
7898 case MARSHAL_ACTION_PUSH:
7900 mono_mb_emit_ldloc_addr (mb, conv_arg);
7902 mono_mb_emit_ldloc (mb, conv_arg);
7905 case MARSHAL_ACTION_CONV_RESULT:
7906 /* fixme: we need conversions here */
7907 mono_mb_emit_stloc (mb, 3);
7910 case MARSHAL_ACTION_MANAGED_CONV_IN: {
7912 guint32 label1, label2, label3;
7913 int index_var, src_ptr, loc, esize, param_num, num_elem;
7914 MonoMarshalConv conv;
7915 gboolean is_string = FALSE;
7917 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
7918 *conv_arg_type = &mono_defaults.int_class->byval_arg;
7921 char *msg = g_strdup ("Byref array marshalling to managed code is not implemented.");
7922 mono_mb_emit_exception_marshal_directive (mb, msg);
7926 char *msg = g_strdup ("[MarshalAs] attribute required to marshal arrays to managed code.");
7927 mono_mb_emit_exception_marshal_directive (mb, msg);
7930 if (spec->native != MONO_NATIVE_LPARRAY) {
7931 char *msg = g_strdup ("Non LPArray marshalling of arrays to managed code is not implemented.");
7932 mono_mb_emit_exception_marshal_directive (mb, msg);
7936 /* FIXME: t is from the method which is wrapped, not the delegate type */
7937 /* g_assert (t->attrs & PARAM_ATTRIBUTE_IN); */
7939 param_num = spec->data.array_data.param_num;
7940 num_elem = spec->data.array_data.num_elem;
7941 if (spec->data.array_data.elem_mult == 0)
7942 /* param_num is not specified */
7945 if (param_num == -1) {
7946 if (num_elem <= 0) {
7947 char *msg = g_strdup ("Either SizeConst or SizeParamIndex should be specified when marshalling arrays to managed code.");
7948 mono_mb_emit_exception_marshal_directive (mb, msg);
7953 /* FIXME: Optimize blittable case */
7955 eklass = klass->element_class;
7956 if (eklass == mono_defaults.string_class) {
7958 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
7960 else if (eklass == mono_defaults.stringbuilder_class) {
7962 conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free);
7967 mono_marshal_load_type_info (eklass);
7970 esize = sizeof (gpointer);
7972 esize = mono_class_native_size (eklass, NULL);
7973 src_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7974 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7976 mono_mb_emit_byte (mb, CEE_LDNULL);
7977 mono_mb_emit_stloc (mb, conv_arg);
7979 /* Check param index */
7980 if (param_num != -1) {
7981 if (param_num >= m->sig->param_count) {
7982 char *msg = g_strdup ("Array size control parameter index is out of range.");
7983 mono_mb_emit_exception_marshal_directive (mb, msg);
7986 switch (m->sig->params [param_num]->type) {
7999 char *msg = g_strdup ("Array size control parameter must be an integral type.");
8000 mono_mb_emit_exception_marshal_directive (mb, msg);
8007 mono_mb_emit_ldarg (mb, argnum);
8008 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
8010 mono_mb_emit_ldarg (mb, argnum);
8011 mono_mb_emit_stloc (mb, src_ptr);
8013 /* Create managed array */
8015 * The LPArray marshalling spec says that sometimes param_num starts
8016 * from 1, sometimes it starts from 0. But MS seems to allways start
8020 if (param_num == -1) {
8021 mono_mb_emit_icon (mb, num_elem);
8023 mono_mb_emit_ldarg (mb, param_num);
8025 mono_mb_emit_icon (mb, num_elem);
8026 mono_mb_emit_byte (mb, CEE_ADD);
8028 mono_mb_emit_byte (mb, CEE_CONV_OVF_I);
8031 mono_mb_emit_op (mb, CEE_NEWARR, eklass);
8032 mono_mb_emit_stloc (mb, conv_arg);
8034 if (eklass->blittable) {
8035 mono_mb_emit_ldloc (mb, conv_arg);
8036 mono_mb_emit_byte (mb, CEE_CONV_I);
8037 mono_mb_emit_icon (mb, MONO_STRUCT_OFFSET (MonoArray, vector));
8038 mono_mb_emit_byte (mb, CEE_ADD);
8039 mono_mb_emit_ldarg (mb, argnum);
8040 mono_mb_emit_ldloc (mb, conv_arg);
8041 mono_mb_emit_byte (mb, CEE_LDLEN);
8042 mono_mb_emit_icon (mb, esize);
8043 mono_mb_emit_byte (mb, CEE_MUL);
8044 mono_mb_emit_byte (mb, CEE_PREFIX1);
8045 mono_mb_emit_byte (mb, CEE_CPBLK);
8049 /* Emit marshalling loop */
8050 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8051 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
8052 mono_mb_emit_stloc (mb, index_var);
8053 label2 = mono_mb_get_label (mb);
8054 mono_mb_emit_ldloc (mb, index_var);
8055 mono_mb_emit_ldloc (mb, conv_arg);
8056 mono_mb_emit_byte (mb, CEE_LDLEN);
8057 label3 = mono_mb_emit_branch (mb, CEE_BGE);
8059 /* Emit marshalling code */
8061 g_assert (conv != -1);
8063 mono_mb_emit_ldloc (mb, conv_arg);
8064 mono_mb_emit_ldloc (mb, index_var);
8066 mono_mb_emit_ldloc (mb, src_ptr);
8067 mono_mb_emit_byte (mb, CEE_LDIND_I);
8069 mono_mb_emit_icall (mb, conv_to_icall (conv));
8070 mono_mb_emit_byte (mb, CEE_STELEM_REF);
8073 char *msg = g_strdup ("Marshalling of non-string and non-blittable arrays to managed code is not implemented.");
8074 mono_mb_emit_exception_marshal_directive (mb, msg);
8078 mono_mb_emit_add_to_local (mb, index_var, 1);
8079 mono_mb_emit_add_to_local (mb, src_ptr, esize);
8081 mono_mb_emit_branch_label (mb, CEE_BR, label2);
8083 mono_mb_patch_branch (mb, label1);
8084 mono_mb_patch_branch (mb, label3);
8088 case MARSHAL_ACTION_MANAGED_CONV_OUT: {
8090 guint32 label1, label2, label3;
8091 int index_var, dest_ptr, loc, esize, param_num, num_elem;
8092 MonoMarshalConv conv;
8093 gboolean is_string = FALSE;
8096 /* Already handled in CONV_IN */
8099 /* These are already checked in CONV_IN */
8100 g_assert (!t->byref);
8101 g_assert (spec->native == MONO_NATIVE_LPARRAY);
8102 g_assert (t->attrs & PARAM_ATTRIBUTE_OUT);
8104 param_num = spec->data.array_data.param_num;
8105 num_elem = spec->data.array_data.num_elem;
8107 if (spec->data.array_data.elem_mult == 0)
8108 /* param_num is not specified */
8111 if (param_num == -1) {
8112 if (num_elem <= 0) {
8113 g_assert_not_reached ();
8117 /* FIXME: Optimize blittable case */
8119 eklass = klass->element_class;
8120 if (eklass == mono_defaults.string_class) {
8122 conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
8124 else if (eklass == mono_defaults.stringbuilder_class) {
8126 conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
8131 mono_marshal_load_type_info (eklass);
8134 esize = sizeof (gpointer);
8136 esize = mono_class_native_size (eklass, NULL);
8138 dest_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8139 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8142 mono_mb_emit_ldloc (mb, conv_arg);
8143 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
8145 mono_mb_emit_ldarg (mb, argnum);
8146 mono_mb_emit_stloc (mb, dest_ptr);
8148 if (eklass->blittable) {
8150 mono_mb_emit_ldarg (mb, argnum);
8152 mono_mb_emit_ldloc (mb, conv_arg);
8153 mono_mb_emit_byte (mb, CEE_CONV_I);
8154 mono_mb_emit_icon (mb, MONO_STRUCT_OFFSET (MonoArray, vector));
8155 mono_mb_emit_byte (mb, CEE_ADD);
8157 mono_mb_emit_ldloc (mb, conv_arg);
8158 mono_mb_emit_byte (mb, CEE_LDLEN);
8159 mono_mb_emit_icon (mb, esize);
8160 mono_mb_emit_byte (mb, CEE_MUL);
8161 mono_mb_emit_byte (mb, CEE_PREFIX1);
8162 mono_mb_emit_byte (mb, CEE_CPBLK);
8166 /* Emit marshalling loop */
8167 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8168 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
8169 mono_mb_emit_stloc (mb, index_var);
8170 label2 = mono_mb_get_label (mb);
8171 mono_mb_emit_ldloc (mb, index_var);
8172 mono_mb_emit_ldloc (mb, conv_arg);
8173 mono_mb_emit_byte (mb, CEE_LDLEN);
8174 label3 = mono_mb_emit_branch (mb, CEE_BGE);
8176 /* Emit marshalling code */
8178 g_assert (conv != -1);
8181 mono_mb_emit_ldloc (mb, dest_ptr);
8184 mono_mb_emit_ldloc (mb, conv_arg);
8185 mono_mb_emit_ldloc (mb, index_var);
8187 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
8189 mono_mb_emit_icall (mb, conv_to_icall (conv));
8190 mono_mb_emit_byte (mb, CEE_STIND_I);
8193 char *msg = g_strdup ("Marshalling of non-string and non-blittable arrays to managed code is not implemented.");
8194 mono_mb_emit_exception_marshal_directive (mb, msg);
8198 mono_mb_emit_add_to_local (mb, index_var, 1);
8199 mono_mb_emit_add_to_local (mb, dest_ptr, esize);
8201 mono_mb_emit_branch_label (mb, CEE_BR, label2);
8203 mono_mb_patch_branch (mb, label1);
8204 mono_mb_patch_branch (mb, label3);
8208 case MARSHAL_ACTION_MANAGED_CONV_RESULT: {
8210 guint32 label1, label2, label3;
8211 int index_var, src, dest, esize;
8212 MonoMarshalConv conv = -1;
8213 gboolean is_string = FALSE;
8215 g_assert (!t->byref);
8217 eklass = klass->element_class;
8219 mono_marshal_load_type_info (eklass);
8221 if (eklass == mono_defaults.string_class) {
8223 conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
8226 g_assert_not_reached ();
8230 esize = sizeof (gpointer);
8231 else if (eklass == mono_defaults.char_class)
8232 esize = mono_pinvoke_is_unicode (m->piinfo) ? 2 : 1;
8234 esize = mono_class_native_size (eklass, NULL);
8236 src = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
8237 dest = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8239 mono_mb_emit_stloc (mb, src);
8240 mono_mb_emit_ldloc (mb, src);
8241 mono_mb_emit_stloc (mb, 3);
8243 /* Check for null */
8244 mono_mb_emit_ldloc (mb, src);
8245 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
8247 /* Allocate native array */
8248 mono_mb_emit_icon (mb, esize);
8249 mono_mb_emit_ldloc (mb, src);
8250 mono_mb_emit_byte (mb, CEE_LDLEN);
8252 if (eklass == mono_defaults.string_class) {
8253 /* Make the array bigger for the terminating null */
8254 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
8255 mono_mb_emit_byte (mb, CEE_ADD);
8257 mono_mb_emit_byte (mb, CEE_MUL);
8258 mono_mb_emit_icall (mb, mono_marshal_alloc);
8259 mono_mb_emit_stloc (mb, dest);
8260 mono_mb_emit_ldloc (mb, dest);
8261 mono_mb_emit_stloc (mb, 3);
8263 /* Emit marshalling loop */
8264 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8265 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
8266 mono_mb_emit_stloc (mb, index_var);
8267 label2 = mono_mb_get_label (mb);
8268 mono_mb_emit_ldloc (mb, index_var);
8269 mono_mb_emit_ldloc (mb, src);
8270 mono_mb_emit_byte (mb, CEE_LDLEN);
8271 label3 = mono_mb_emit_branch (mb, CEE_BGE);
8273 /* Emit marshalling code */
8275 g_assert (conv != -1);
8278 mono_mb_emit_ldloc (mb, dest);
8281 mono_mb_emit_ldloc (mb, src);
8282 mono_mb_emit_ldloc (mb, index_var);
8284 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
8286 mono_mb_emit_icall (mb, conv_to_icall (conv));
8287 mono_mb_emit_byte (mb, CEE_STIND_I);
8290 char *msg = g_strdup ("Marshalling of non-string arrays to managed code is not implemented.");
8291 mono_mb_emit_exception_marshal_directive (mb, msg);
8295 mono_mb_emit_add_to_local (mb, index_var, 1);
8296 mono_mb_emit_add_to_local (mb, dest, esize);
8298 mono_mb_emit_branch_label (mb, CEE_BR, label2);
8300 mono_mb_patch_branch (mb, label3);
8301 mono_mb_patch_branch (mb, label1);
8305 g_assert_not_reached ();
8312 marshal_boolean_conv_in_get_local_type (MonoMarshalSpec *spec, guint8 *ldc_op /*out*/)
8315 return &mono_defaults.int32_class->byval_arg;
8317 switch (spec->native) {
8318 case MONO_NATIVE_I1:
8319 case MONO_NATIVE_U1:
8320 return &mono_defaults.byte_class->byval_arg;
8321 case MONO_NATIVE_VARIANTBOOL:
8322 if (ldc_op) *ldc_op = CEE_LDC_I4_M1;
8323 return &mono_defaults.int16_class->byval_arg;
8324 case MONO_NATIVE_BOOLEAN:
8325 return &mono_defaults.int32_class->byval_arg;
8327 g_warning ("marshalling bool as native type %x is currently not supported", spec->native);
8328 return &mono_defaults.int32_class->byval_arg;
8334 marshal_boolean_managed_conv_in_get_conv_arg_class (MonoMarshalSpec *spec, guint8 *ldop/*out*/)
8336 MonoClass* conv_arg_class = mono_defaults.int32_class;
8338 switch (spec->native) {
8339 case MONO_NATIVE_I1:
8340 case MONO_NATIVE_U1:
8341 conv_arg_class = mono_defaults.byte_class;
8342 if (ldop) *ldop = CEE_LDIND_I1;
8344 case MONO_NATIVE_VARIANTBOOL:
8345 conv_arg_class = mono_defaults.int16_class;
8346 if (ldop) *ldop = CEE_LDIND_I2;
8348 case MONO_NATIVE_BOOLEAN:
8351 g_warning ("marshalling bool as native type %x is currently not supported", spec->native);
8354 return conv_arg_class;
8358 emit_marshal_boolean (EmitMarshalContext *m, int argnum, MonoType *t,
8359 MonoMarshalSpec *spec,
8360 int conv_arg, MonoType **conv_arg_type,
8361 MarshalAction action)
8365 case MARSHAL_ACTION_CONV_IN:
8367 *conv_arg_type = &mono_defaults.int_class->byval_arg;
8369 *conv_arg_type = marshal_boolean_conv_in_get_local_type (spec, NULL);
8372 case MARSHAL_ACTION_MANAGED_CONV_IN: {
8373 MonoClass* conv_arg_class = marshal_boolean_managed_conv_in_get_conv_arg_class (spec, NULL);
8375 *conv_arg_type = &conv_arg_class->this_arg;
8377 *conv_arg_type = &conv_arg_class->byval_arg;
8383 MonoMethodBuilder *mb = m->mb;
8386 case MARSHAL_ACTION_CONV_IN: {
8387 MonoType *local_type;
8389 guint8 ldc_op = CEE_LDC_I4_1;
8391 local_type = marshal_boolean_conv_in_get_local_type (spec, &ldc_op);
8393 *conv_arg_type = &mono_defaults.int_class->byval_arg;
8395 *conv_arg_type = local_type;
8396 conv_arg = mono_mb_add_local (mb, local_type);
8398 mono_mb_emit_ldarg (mb, argnum);
8400 mono_mb_emit_byte (mb, CEE_LDIND_I1);
8401 label_false = mono_mb_emit_branch (mb, CEE_BRFALSE);
8402 mono_mb_emit_byte (mb, ldc_op);
8403 mono_mb_emit_stloc (mb, conv_arg);
8404 mono_mb_patch_branch (mb, label_false);
8409 case MARSHAL_ACTION_CONV_OUT:
8411 int label_false, label_end;
8415 mono_mb_emit_ldarg (mb, argnum);
8416 mono_mb_emit_ldloc (mb, conv_arg);
8418 label_false = mono_mb_emit_branch (mb, CEE_BRFALSE);
8419 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
8421 label_end = mono_mb_emit_branch (mb, CEE_BR);
8422 mono_mb_patch_branch (mb, label_false);
8423 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
8424 mono_mb_patch_branch (mb, label_end);
8426 mono_mb_emit_byte (mb, CEE_STIND_I1);
8430 case MARSHAL_ACTION_PUSH:
8432 mono_mb_emit_ldloc_addr (mb, conv_arg);
8434 mono_mb_emit_ldloc (mb, conv_arg);
8436 mono_mb_emit_ldarg (mb, argnum);
8439 case MARSHAL_ACTION_CONV_RESULT:
8440 /* maybe we need to make sure that it fits within 8 bits */
8441 mono_mb_emit_stloc (mb, 3);
8444 case MARSHAL_ACTION_MANAGED_CONV_IN: {
8445 MonoClass* conv_arg_class = mono_defaults.int32_class;
8446 guint8 ldop = CEE_LDIND_I4;
8447 int label_null, label_false;
8449 conv_arg_class = marshal_boolean_managed_conv_in_get_conv_arg_class (spec, &ldop);
8450 conv_arg = mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
8453 *conv_arg_type = &conv_arg_class->this_arg;
8455 *conv_arg_type = &conv_arg_class->byval_arg;
8458 mono_mb_emit_ldarg (mb, argnum);
8462 label_null = mono_mb_emit_branch (mb, CEE_BRFALSE);
8463 mono_mb_emit_ldarg (mb, argnum);
8464 mono_mb_emit_byte (mb, ldop);
8468 label_false = mono_mb_emit_branch (mb, CEE_BRFALSE);
8469 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
8470 mono_mb_emit_stloc (mb, conv_arg);
8471 mono_mb_patch_branch (mb, label_false);
8474 mono_mb_patch_branch (mb, label_null);
8478 case MARSHAL_ACTION_MANAGED_CONV_OUT: {
8479 guint8 stop = CEE_STIND_I4;
8480 guint8 ldc_op = CEE_LDC_I4_1;
8481 int label_null,label_false, label_end;;
8486 switch (spec->native) {
8487 case MONO_NATIVE_I1:
8488 case MONO_NATIVE_U1:
8489 stop = CEE_STIND_I1;
8491 case MONO_NATIVE_VARIANTBOOL:
8492 stop = CEE_STIND_I2;
8493 ldc_op = CEE_LDC_I4_M1;
8501 mono_mb_emit_ldarg (mb, argnum);
8502 label_null = mono_mb_emit_branch (mb, CEE_BRFALSE);
8504 mono_mb_emit_ldarg (mb, argnum);
8505 mono_mb_emit_ldloc (mb, conv_arg);
8507 label_false = mono_mb_emit_branch (mb, CEE_BRFALSE);
8508 mono_mb_emit_byte (mb, ldc_op);
8509 label_end = mono_mb_emit_branch (mb, CEE_BR);
8511 mono_mb_patch_branch (mb, label_false);
8512 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
8513 mono_mb_patch_branch (mb, label_end);
8515 mono_mb_emit_byte (mb, stop);
8516 mono_mb_patch_branch (mb, label_null);
8521 g_assert_not_reached ();
8528 emit_marshal_ptr (EmitMarshalContext *m, int argnum, MonoType *t,
8529 MonoMarshalSpec *spec, int conv_arg,
8530 MonoType **conv_arg_type, MarshalAction action)
8533 MonoMethodBuilder *mb = m->mb;
8536 case MARSHAL_ACTION_CONV_IN:
8537 /* MS seems to allow this in some cases, ie. bxc #158 */
8539 if (MONO_TYPE_ISSTRUCT (t->data.type) && !mono_class_from_mono_type (t->data.type)->blittable) {
8540 char *msg = g_strdup_printf ("Can not marshal 'parameter #%d': Pointers can not reference marshaled structures. Use byref instead.", argnum + 1);
8541 mono_mb_emit_exception_marshal_directive (m->mb, msg);
8546 case MARSHAL_ACTION_PUSH:
8547 mono_mb_emit_ldarg (mb, argnum);
8550 case MARSHAL_ACTION_CONV_RESULT:
8551 /* no conversions necessary */
8552 mono_mb_emit_stloc (mb, 3);
8563 emit_marshal_char (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 /* fixme: dont know how to marshal that. We cant simply
8573 * convert it to a one byte UTF8 character, because an
8574 * unicode character may need more that one byte in UTF8 */
8575 mono_mb_emit_ldarg (mb, argnum);
8578 case MARSHAL_ACTION_CONV_RESULT:
8579 /* fixme: we need conversions here */
8580 mono_mb_emit_stloc (mb, 3);
8591 emit_marshal_scalar (EmitMarshalContext *m, int argnum, MonoType *t,
8592 MonoMarshalSpec *spec, int conv_arg,
8593 MonoType **conv_arg_type, MarshalAction action)
8596 MonoMethodBuilder *mb = m->mb;
8599 case MARSHAL_ACTION_PUSH:
8600 mono_mb_emit_ldarg (mb, argnum);
8603 case MARSHAL_ACTION_CONV_RESULT:
8604 /* no conversions necessary */
8605 mono_mb_emit_stloc (mb, 3);
8616 emit_marshal (EmitMarshalContext *m, int argnum, MonoType *t,
8617 MonoMarshalSpec *spec, int conv_arg,
8618 MonoType **conv_arg_type, MarshalAction action)
8620 /* Ensure that we have marshalling info for this param */
8621 mono_marshal_load_type_info (mono_class_from_mono_type (t));
8623 if (spec && spec->native == MONO_NATIVE_CUSTOM)
8624 return emit_marshal_custom (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8626 if (spec && spec->native == MONO_NATIVE_ASANY)
8627 return emit_marshal_asany (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8630 case MONO_TYPE_VALUETYPE:
8631 if (t->data.klass == mono_defaults.handleref_class)
8632 return emit_marshal_handleref (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8634 return emit_marshal_vtype (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8635 case MONO_TYPE_STRING:
8636 return emit_marshal_string (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8637 case MONO_TYPE_CLASS:
8638 case MONO_TYPE_OBJECT:
8640 if (spec && spec->native == MONO_NATIVE_STRUCT)
8641 return emit_marshal_variant (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8643 if (spec && (spec->native == MONO_NATIVE_IUNKNOWN ||
8644 spec->native == MONO_NATIVE_IDISPATCH ||
8645 spec->native == MONO_NATIVE_INTERFACE))
8646 return mono_cominterop_emit_marshal_com_interface (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8647 if (spec && (spec->native == MONO_NATIVE_SAFEARRAY) &&
8648 (spec->data.safearray_data.elem_type == MONO_VARIANT_VARIANT) &&
8649 ((action == MARSHAL_ACTION_CONV_OUT) || (action == MARSHAL_ACTION_CONV_IN) || (action == MARSHAL_ACTION_PUSH)))
8650 return mono_cominterop_emit_marshal_safearray (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8653 if (mono_defaults.safehandle_class != NULL && t->data.klass &&
8654 mono_class_is_subclass_of (t->data.klass, mono_defaults.safehandle_class, FALSE))
8655 return emit_marshal_safehandle (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);
8658 case MONO_TYPE_ARRAY:
8659 case MONO_TYPE_SZARRAY:
8660 return emit_marshal_array (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8661 case MONO_TYPE_BOOLEAN:
8662 return emit_marshal_boolean (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8664 return emit_marshal_ptr (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8665 case MONO_TYPE_CHAR:
8666 return emit_marshal_char (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8679 case MONO_TYPE_FNPTR:
8680 return emit_marshal_scalar (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8681 case MONO_TYPE_GENERICINST:
8682 if (mono_type_generic_inst_is_valuetype (t))
8683 return emit_marshal_vtype (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8685 return emit_marshal_object (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8692 * mono_marshal_emit_native_wrapper:
8693 * @image: the image to use for looking up custom marshallers
8694 * @sig: The signature of the native function
8695 * @piinfo: Marshalling information
8696 * @mspecs: Marshalling information
8697 * @aot: whenever the created method will be compiled by the AOT compiler
8698 * @method: if non-NULL, the pinvoke method to call
8699 * @check_exceptions: Whenever to check for pending exceptions after the native call
8700 * @func_param: the function to call is passed as a boxed IntPtr as the first parameter
8702 * generates IL code for the pinvoke wrapper, the generated code calls @func.
8705 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)
8707 EmitMarshalContext m;
8708 MonoMethodSignature *csig;
8710 int i, argnum, *tmp_locals;
8711 int type, param_shift = 0;
8712 static MonoMethodSignature *get_last_error_sig = NULL;
8717 /* we copy the signature, so that we can set pinvoke to 0 */
8719 /* The function address is passed as the first argument */
8720 g_assert (!sig->hasthis);
8723 csig = signature_dup (mb->method->klass->image, sig);
8731 /* we allocate local for use with emit_struct_conv() */
8732 /* allocate local 0 (pointer) src_ptr */
8733 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8734 /* allocate local 1 (pointer) dst_ptr */
8735 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8736 /* allocate local 2 (boolean) delete_old */
8737 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
8739 /* delete_old = FALSE */
8740 mono_mb_emit_icon (mb, 0);
8741 mono_mb_emit_stloc (mb, 2);
8743 if (!MONO_TYPE_IS_VOID(sig->ret)) {
8744 /* allocate local 3 to store the return value */
8745 mono_mb_add_local (mb, sig->ret);
8748 if (mspecs [0] && mspecs [0]->native == MONO_NATIVE_CUSTOM) {
8749 /* Return type custom marshaling */
8751 * Since we can't determine the return type of the unmanaged function,
8752 * we assume it returns a pointer, and pass that pointer to
8753 * MarshalNativeToManaged.
8755 csig->ret = &mono_defaults.int_class->byval_arg;
8758 /* we first do all conversions */
8759 tmp_locals = alloca (sizeof (int) * sig->param_count);
8760 m.orig_conv_args = alloca (sizeof (int) * (sig->param_count + 1));
8762 for (i = 0; i < sig->param_count; i ++) {
8763 tmp_locals [i] = emit_marshal (&m, i + param_shift, sig->params [i], mspecs [i + 1], 0, &csig->params [i], MARSHAL_ACTION_CONV_IN);
8766 /* push all arguments */
8769 mono_mb_emit_byte (mb, CEE_LDARG_0);
8771 for (i = 0; i < sig->param_count; i++) {
8772 emit_marshal (&m, i + param_shift, sig->params [i], mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_PUSH);
8775 /* call the native method */
8777 mono_mb_emit_byte (mb, CEE_LDARG_0);
8778 mono_mb_emit_op (mb, CEE_UNBOX, mono_defaults.int_class);
8779 mono_mb_emit_byte (mb, CEE_LDIND_I);
8780 mono_mb_emit_calli (mb, csig);
8781 } else if (MONO_CLASS_IS_IMPORT (mb->method->klass)) {
8783 mono_mb_emit_cominterop_call (mb, csig, &piinfo->method);
8785 g_assert_not_reached ();
8790 /* Reuse the ICALL_ADDR opcode for pinvokes too */
8791 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
8792 mono_mb_emit_op (mb, CEE_MONO_ICALL_ADDR, &piinfo->method);
8793 mono_mb_emit_calli (mb, csig);
8795 mono_mb_emit_native_call (mb, csig, func);
8799 /* Set LastError if needed */
8800 if (piinfo->piflags & PINVOKE_ATTRIBUTE_SUPPORTS_LAST_ERROR) {
8801 if (!get_last_error_sig) {
8802 get_last_error_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
8803 get_last_error_sig->ret = &mono_defaults.int_class->byval_arg;
8804 get_last_error_sig->pinvoke = 1;
8809 * Have to call GetLastError () early and without a wrapper, since various runtime components could
8810 * clobber its value.
8812 mono_mb_emit_native_call (mb, get_last_error_sig, GetLastError);
8813 mono_mb_emit_icall (mb, mono_marshal_set_last_error_windows);
8815 mono_mb_emit_icall (mb, mono_marshal_set_last_error);
8819 /* convert the result */
8820 if (!sig->ret->byref) {
8821 MonoMarshalSpec *spec = mspecs [0];
8822 type = sig->ret->type;
8824 if (spec && spec->native == MONO_NATIVE_CUSTOM) {
8825 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
8830 case MONO_TYPE_VOID:
8832 case MONO_TYPE_VALUETYPE:
8833 klass = sig->ret->data.klass;
8834 if (klass->enumtype) {
8835 type = mono_class_enum_basetype (sig->ret->data.klass)->type;
8838 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
8852 case MONO_TYPE_FNPTR:
8853 case MONO_TYPE_STRING:
8854 case MONO_TYPE_CLASS:
8855 case MONO_TYPE_OBJECT:
8856 case MONO_TYPE_BOOLEAN:
8857 case MONO_TYPE_ARRAY:
8858 case MONO_TYPE_SZARRAY:
8859 case MONO_TYPE_CHAR:
8861 case MONO_TYPE_GENERICINST:
8862 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
8864 case MONO_TYPE_TYPEDBYREF:
8866 g_warning ("return type 0x%02x unknown", sig->ret->type);
8867 g_assert_not_reached ();
8871 mono_mb_emit_stloc (mb, 3);
8875 * Need to call this after converting the result since MONO_VTADDR needs
8876 * to be adjacent to the call instruction.
8878 if (check_exceptions)
8879 emit_thread_interrupt_checkpoint (mb);
8881 /* we need to convert byref arguments back and free string arrays */
8882 for (i = 0; i < sig->param_count; i++) {
8883 MonoType *t = sig->params [i];
8884 MonoMarshalSpec *spec = mspecs [i + 1];
8886 argnum = i + param_shift;
8888 if (spec && ((spec->native == MONO_NATIVE_CUSTOM) || (spec->native == MONO_NATIVE_ASANY))) {
8889 emit_marshal (&m, argnum, t, spec, tmp_locals [i], NULL, MARSHAL_ACTION_CONV_OUT);
8894 case MONO_TYPE_STRING:
8895 case MONO_TYPE_VALUETYPE:
8896 case MONO_TYPE_CLASS:
8897 case MONO_TYPE_OBJECT:
8898 case MONO_TYPE_SZARRAY:
8899 case MONO_TYPE_BOOLEAN:
8900 emit_marshal (&m, argnum, t, spec, tmp_locals [i], NULL, MARSHAL_ACTION_CONV_OUT);
8905 if (!MONO_TYPE_IS_VOID(sig->ret))
8906 mono_mb_emit_ldloc (mb, 3);
8908 mono_mb_emit_byte (mb, CEE_RET);
8910 #endif /* DISABLE_JIT */
8913 G_GNUC_UNUSED static void
8914 code_for (MonoMethod *method) {
8915 MonoMethodHeader *header = mono_method_get_header (method);
8916 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));
8920 * mono_marshal_get_native_wrapper:
8921 * @method: The MonoMethod to wrap.
8922 * @check_exceptions: Whenever to check for pending exceptions
8924 * generates IL code for the pinvoke wrapper (the generated method
8925 * calls the unmanaged code in piinfo->addr)
8926 * The wrapper info for the wrapper is a WrapperInfo structure.
8929 mono_marshal_get_native_wrapper (MonoMethod *method, gboolean check_exceptions, gboolean aot)
8931 MonoMethodSignature *sig, *csig;
8932 MonoMethodPInvoke *piinfo = (MonoMethodPInvoke *) method;
8933 MonoMethodBuilder *mb;
8934 MonoMarshalSpec **mspecs;
8937 gboolean pinvoke = FALSE;
8940 const char *exc_class = "MissingMethodException";
8941 const char *exc_arg = NULL;
8944 g_assert (method != NULL);
8945 g_assert (mono_method_signature (method)->pinvoke);
8948 cache = get_cache (&method->klass->image->native_wrapper_aot_cache, mono_aligned_addr_hash, NULL);
8950 cache = get_cache (&method->klass->image->native_wrapper_cache, mono_aligned_addr_hash, NULL);
8951 if ((res = mono_marshal_find_in_cache (cache, method)))
8954 if (MONO_CLASS_IS_IMPORT (method->klass)) {
8956 return mono_cominterop_get_native_wrapper (method);
8958 g_assert_not_reached ();
8962 sig = mono_method_signature (method);
8964 if (!(method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
8965 (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL))
8968 if (!piinfo->addr) {
8970 if (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)
8971 exc_arg = "Method contains unsupported native code";
8973 mono_lookup_pinvoke_call (method, &exc_class, &exc_arg);
8975 piinfo->addr = mono_lookup_internal_call (method);
8979 /* hack - redirect certain string constructors to CreateString */
8980 if (piinfo->addr == ves_icall_System_String_ctor_RedirectToCreateString) {
8981 g_assert (!pinvoke);
8982 g_assert (method->string_ctor);
8983 g_assert (sig->hasthis);
8985 /* CreateString returns a value */
8986 csig = signature_dup (method->klass->image, sig);
8987 csig->ret = &mono_defaults.string_class->byval_arg;
8991 while ((res = mono_class_get_methods (mono_defaults.string_class, &iter))) {
8992 if (!strcmp ("CreateString", res->name) &&
8993 mono_metadata_signature_equal (csig, mono_method_signature (res))) {
8996 g_assert (!(res->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL));
8997 g_assert (!(res->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL));
8999 /* create a wrapper to preserve .ctor in stack trace */
9000 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_MANAGED_TO_MANAGED);
9003 mono_mb_emit_byte (mb, CEE_LDARG_0);
9004 for (i = 1; i <= csig->param_count; i++)
9005 mono_mb_emit_ldarg (mb, i);
9006 mono_mb_emit_managed_call (mb, res, NULL);
9007 mono_mb_emit_byte (mb, CEE_RET);
9010 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_STRING_CTOR);
9011 info->d.string_ctor.method = method;
9013 /* use native_wrapper_cache because internal calls are looked up there */
9014 res = mono_mb_create_and_cache_full (cache, method, mb, csig,
9015 csig->param_count + 1, info, NULL);
9022 /* exception will be thrown */
9023 piinfo->addr = NULL;
9024 g_warning ("cannot find CreateString for .ctor");
9027 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_MANAGED_TO_NATIVE);
9029 mb->method->save_lmf = 1;
9032 * In AOT mode and embedding scenarios, it is possible that the icall is not
9033 * registered in the runtime doing the AOT compilation.
9035 if (!piinfo->addr && !aot) {
9037 mono_mb_emit_exception (mb, exc_class, exc_arg);
9039 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NONE);
9040 info->d.managed_to_native.method = method;
9042 csig = signature_dup (method->klass->image, sig);
9044 res = mono_mb_create_and_cache_full (cache, method, mb, csig,
9045 csig->param_count + 16, info, NULL);
9051 /* internal calls: we simply push all arguments and call the method (no conversions) */
9052 if (method->iflags & (METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL | METHOD_IMPL_ATTRIBUTE_RUNTIME)) {
9054 csig = signature_dup_add_this (method->klass->image, sig, method->klass);
9056 csig = signature_dup (method->klass->image, sig);
9058 /* hack - string constructors returns a value */
9059 if (method->string_ctor)
9060 csig->ret = &mono_defaults.string_class->byval_arg;
9067 * Add a null check since public icalls can be called with 'call' which
9068 * does no such check.
9070 mono_mb_emit_byte (mb, CEE_LDARG_0);
9071 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
9072 mono_mb_emit_exception (mb, "NullReferenceException", NULL);
9073 mono_mb_patch_branch (mb, pos);
9075 mono_mb_emit_byte (mb, CEE_LDARG_0);
9078 for (i = 0; i < sig->param_count; i++)
9079 mono_mb_emit_ldarg (mb, i + sig->hasthis);
9082 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
9083 mono_mb_emit_op (mb, CEE_MONO_ICALL_ADDR, &piinfo->method);
9084 mono_mb_emit_calli (mb, csig);
9086 g_assert (piinfo->addr);
9087 mono_mb_emit_native_call (mb, csig, piinfo->addr);
9089 if (check_exceptions)
9090 emit_thread_interrupt_checkpoint (mb);
9091 mono_mb_emit_byte (mb, CEE_RET);
9093 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NONE);
9094 info->d.managed_to_native.method = method;
9096 csig = signature_dup (method->klass->image, csig);
9098 res = mono_mb_create_and_cache_full (cache, method, mb, csig, csig->param_count + 16,
9107 g_assert (piinfo->addr);
9110 mspecs = g_new (MonoMarshalSpec*, sig->param_count + 1);
9111 mono_method_get_marshal_info (method, mspecs);
9113 mono_marshal_emit_native_wrapper (mb->method->klass->image, mb, sig, piinfo, mspecs, piinfo->addr, aot, check_exceptions, FALSE);
9115 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_PINVOKE);
9116 info->d.managed_to_native.method = method;
9118 csig = signature_dup (method->klass->image, sig);
9120 res = mono_mb_create_and_cache_full (cache, method, mb, csig, csig->param_count + 16,
9125 for (i = sig->param_count; i >= 0; i--)
9127 mono_metadata_free_marshal_spec (mspecs [i]);
9131 /* code_for (res); */
9137 * mono_marshal_get_native_func_wrapper:
9138 * @image: The image to use for memory allocation and for looking up custom marshallers.
9139 * @sig: The signature of the function
9140 * @func: The native function to wrap
9142 * Returns a wrapper method around native functions, similar to the pinvoke
9146 mono_marshal_get_native_func_wrapper (MonoImage *image, MonoMethodSignature *sig,
9147 MonoMethodPInvoke *piinfo, MonoMarshalSpec **mspecs, gpointer func)
9149 MonoMethodSignature *csig;
9151 MonoMethodBuilder *mb;
9156 cache = get_cache (&image->native_wrapper_cache, mono_aligned_addr_hash, NULL);
9157 if ((res = mono_marshal_find_in_cache (cache, func)))
9160 name = g_strdup_printf ("wrapper_native_%p", func);
9161 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_MANAGED_TO_NATIVE);
9162 mb->method->save_lmf = 1;
9165 mono_marshal_emit_native_wrapper (image, mb, sig, piinfo, mspecs, func, FALSE, TRUE, FALSE);
9168 csig = signature_dup (image, sig);
9170 res = mono_mb_create_and_cache (cache, func,
9171 mb, csig, csig->param_count + 16);
9174 mono_marshal_set_wrapper_info (res, NULL);
9180 * The wrapper receives the native function as a boxed IntPtr as its 'this' argument. This is easier to support in
9184 mono_marshal_get_native_func_wrapper_aot (MonoClass *klass)
9186 MonoMethodSignature *sig, *csig;
9187 MonoMethodBuilder *mb;
9192 MonoMethodPInvoke mpiinfo;
9193 MonoMethodPInvoke *piinfo = &mpiinfo;
9194 MonoMarshalSpec **mspecs;
9195 MonoMethod *invoke = mono_get_delegate_invoke (klass);
9196 MonoImage *image = invoke->klass->image;
9199 // FIXME: include UnmanagedFunctionPointerAttribute info
9202 * The wrapper is associated with the delegate type, to pick up the marshalling info etc.
9204 cache = get_cache (&image->native_func_wrapper_aot_cache, mono_aligned_addr_hash, NULL);
9205 if ((res = mono_marshal_find_in_cache (cache, invoke)))
9208 memset (&mpiinfo, 0, sizeof (mpiinfo));
9209 parse_unmanaged_function_pointer_attr (klass, &mpiinfo);
9211 mspecs = g_new0 (MonoMarshalSpec*, mono_method_signature (invoke)->param_count + 1);
9212 mono_method_get_marshal_info (invoke, mspecs);
9213 /* Freed below so don't alloc from mempool */
9214 sig = mono_metadata_signature_dup (mono_method_signature (invoke));
9217 name = g_strdup_printf ("wrapper_aot_native");
9218 mb = mono_mb_new (invoke->klass, name, MONO_WRAPPER_MANAGED_TO_NATIVE);
9219 mb->method->save_lmf = 1;
9222 mono_marshal_emit_native_wrapper (image, mb, sig, piinfo, mspecs, NULL, FALSE, TRUE, TRUE);
9225 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NATIVE_FUNC_AOT);
9226 info->d.managed_to_native.method = invoke;
9228 g_assert (!sig->hasthis);
9229 csig = signature_dup_add_this (image, sig, mono_defaults.int_class);
9231 res = mono_mb_create_and_cache_full (cache, invoke,
9232 mb, csig, csig->param_count + 16,
9236 for (i = mono_method_signature (invoke)->param_count; i >= 0; i--)
9238 mono_metadata_free_marshal_spec (mspecs [i]);
9246 * mono_marshal_emit_managed_wrapper:
9248 * Emit the body of a native-to-managed wrapper. INVOKE_SIG is the signature of
9249 * the delegate which wraps the managed method to be called. For closed delegates,
9250 * it could have fewer parameters than the method it wraps.
9251 * THIS_LOC is the memory location where the target of the delegate is stored.
9254 mono_marshal_emit_managed_wrapper (MonoMethodBuilder *mb, MonoMethodSignature *invoke_sig, MonoMarshalSpec **mspecs, EmitMarshalContext* m, MonoMethod *method, uint32_t target_handle)
9257 MonoMethodSignature *sig, *csig;
9263 /* we first do all conversions */
9264 for (i = 0; i < sig->param_count; i ++) {
9265 MonoType *t = sig->params [i];
9268 case MONO_TYPE_OBJECT:
9269 case MONO_TYPE_CLASS:
9270 case MONO_TYPE_VALUETYPE:
9271 case MONO_TYPE_ARRAY:
9272 case MONO_TYPE_SZARRAY:
9273 case MONO_TYPE_STRING:
9274 case MONO_TYPE_BOOLEAN:
9275 emit_marshal (m, i, sig->params [i], mspecs [i + 1], 0, &csig->params [i], MARSHAL_ACTION_MANAGED_CONV_IN);
9279 if (!sig->ret->byref) {
9280 switch (sig->ret->type) {
9281 case MONO_TYPE_STRING:
9282 csig->ret = &mono_defaults.int_class->byval_arg;
9289 MonoMethodSignature *sig, *csig;
9291 gboolean closed = FALSE;
9296 /* allocate local 0 (pointer) src_ptr */
9297 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9298 /* allocate local 1 (pointer) dst_ptr */
9299 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9300 /* allocate local 2 (boolean) delete_old */
9301 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
9303 if (!sig->hasthis && sig->param_count != invoke_sig->param_count) {
9304 /* Closed delegate */
9305 g_assert (sig->param_count == invoke_sig->param_count + 1);
9307 /* Use a new signature without the first argument */
9308 sig = mono_metadata_signature_dup (sig);
9309 memmove (&sig->params [0], &sig->params [1], (sig->param_count - 1) * sizeof (MonoType*));
9310 sig->param_count --;
9313 if (!MONO_TYPE_IS_VOID(sig->ret)) {
9314 /* allocate local 3 to store the return value */
9315 mono_mb_add_local (mb, sig->ret);
9318 mono_mb_emit_icon (mb, 0);
9319 mono_mb_emit_stloc (mb, 2);
9322 * Might need to attach the thread to the JIT or change the
9323 * domain for the callback.
9325 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
9326 mono_mb_emit_byte (mb, CEE_MONO_JIT_ATTACH);
9328 /* we first do all conversions */
9329 tmp_locals = alloca (sizeof (int) * sig->param_count);
9330 for (i = 0; i < sig->param_count; i ++) {
9331 MonoType *t = sig->params [i];
9334 case MONO_TYPE_OBJECT:
9335 case MONO_TYPE_CLASS:
9336 case MONO_TYPE_VALUETYPE:
9337 case MONO_TYPE_ARRAY:
9338 case MONO_TYPE_SZARRAY:
9339 case MONO_TYPE_STRING:
9340 case MONO_TYPE_BOOLEAN:
9341 tmp_locals [i] = emit_marshal (m, i, sig->params [i], mspecs [i + 1], 0, &csig->params [i], MARSHAL_ACTION_MANAGED_CONV_IN);
9350 emit_thread_interrupt_checkpoint (mb);
9353 if (target_handle) {
9354 mono_mb_emit_icon (mb, (gint32)target_handle);
9355 mono_mb_emit_icall (mb, mono_gchandle_get_target);
9358 g_assert_not_reached ();
9360 } else if (closed) {
9361 mono_mb_emit_icon (mb, (gint32)target_handle);
9362 mono_mb_emit_icall (mb, mono_gchandle_get_target);
9365 for (i = 0; i < sig->param_count; i++) {
9366 MonoType *t = sig->params [i];
9368 if (tmp_locals [i]) {
9370 mono_mb_emit_ldloc_addr (mb, tmp_locals [i]);
9372 mono_mb_emit_ldloc (mb, tmp_locals [i]);
9375 mono_mb_emit_ldarg (mb, i);
9378 mono_mb_emit_managed_call (mb, method, NULL);
9380 if (mspecs [0] && mspecs [0]->native == MONO_NATIVE_CUSTOM) {
9381 emit_marshal (m, 0, sig->ret, mspecs [0], 0, NULL, MARSHAL_ACTION_MANAGED_CONV_RESULT);
9382 } else if (!sig->ret->byref) {
9383 switch (sig->ret->type) {
9384 case MONO_TYPE_VOID:
9386 case MONO_TYPE_BOOLEAN:
9389 case MONO_TYPE_CHAR:
9401 case MONO_TYPE_OBJECT:
9402 mono_mb_emit_stloc (mb, 3);
9404 case MONO_TYPE_STRING:
9405 csig->ret = &mono_defaults.int_class->byval_arg;
9406 emit_marshal (m, 0, sig->ret, mspecs [0], 0, NULL, MARSHAL_ACTION_MANAGED_CONV_RESULT);
9408 case MONO_TYPE_VALUETYPE:
9409 case MONO_TYPE_CLASS:
9410 case MONO_TYPE_SZARRAY:
9411 emit_marshal (m, 0, sig->ret, mspecs [0], 0, NULL, MARSHAL_ACTION_MANAGED_CONV_RESULT);
9414 g_warning ("return type 0x%02x unknown", sig->ret->type);
9415 g_assert_not_reached ();
9418 mono_mb_emit_stloc (mb, 3);
9421 /* Convert byref arguments back */
9422 for (i = 0; i < sig->param_count; i ++) {
9423 MonoType *t = sig->params [i];
9424 MonoMarshalSpec *spec = mspecs [i + 1];
9426 if (spec && spec->native == MONO_NATIVE_CUSTOM) {
9427 emit_marshal (m, i, t, mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_MANAGED_CONV_OUT);
9429 else if (t->byref) {
9431 case MONO_TYPE_CLASS:
9432 case MONO_TYPE_VALUETYPE:
9433 case MONO_TYPE_OBJECT:
9434 case MONO_TYPE_STRING:
9435 case MONO_TYPE_BOOLEAN:
9436 emit_marshal (m, i, t, mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_MANAGED_CONV_OUT);
9440 else if (invoke_sig->params [i]->attrs & PARAM_ATTRIBUTE_OUT) {
9441 /* The [Out] information is encoded in the delegate signature */
9443 case MONO_TYPE_SZARRAY:
9444 case MONO_TYPE_CLASS:
9445 case MONO_TYPE_VALUETYPE:
9446 emit_marshal (m, i, invoke_sig->params [i], mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_MANAGED_CONV_OUT);
9449 g_assert_not_reached ();
9454 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
9455 mono_mb_emit_byte (mb, CEE_MONO_JIT_DETACH);
9457 if (m->retobj_var) {
9458 mono_mb_emit_ldloc (mb, m->retobj_var);
9459 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
9460 mono_mb_emit_op (mb, CEE_MONO_RETOBJ, m->retobj_class);
9463 if (!MONO_TYPE_IS_VOID(sig->ret))
9464 mono_mb_emit_ldloc (mb, 3);
9465 mono_mb_emit_byte (mb, CEE_RET);
9474 mono_marshal_set_callconv_from_modopt (MonoMethod *method, MonoMethodSignature *csig)
9476 MonoMethodSignature *sig;
9481 * Under windows, delegates passed to native code must use the STDCALL
9482 * calling convention.
9484 csig->call_convention = MONO_CALL_STDCALL;
9487 sig = mono_method_signature (method);
9489 /* Change default calling convention if needed */
9490 /* Why is this a modopt ? */
9491 if (sig->ret && sig->ret->num_mods) {
9492 for (i = 0; i < sig->ret->num_mods; ++i) {
9493 MonoClass *cmod_class = mono_class_get (method->klass->image, sig->ret->modifiers [i].token);
9494 g_assert (cmod_class);
9495 if ((cmod_class->image == mono_defaults.corlib) && !strcmp (cmod_class->name_space, "System.Runtime.CompilerServices")) {
9496 if (!strcmp (cmod_class->name, "CallConvCdecl"))
9497 csig->call_convention = MONO_CALL_C;
9498 else if (!strcmp (cmod_class->name, "CallConvStdcall"))
9499 csig->call_convention = MONO_CALL_STDCALL;
9500 else if (!strcmp (cmod_class->name, "CallConvFastcall"))
9501 csig->call_convention = MONO_CALL_FASTCALL;
9502 else if (!strcmp (cmod_class->name, "CallConvThiscall"))
9503 csig->call_convention = MONO_CALL_THISCALL;
9510 * generates IL code to call managed methods from unmanaged code
9511 * If target_handle==0, the wrapper info will be a WrapperInfo structure.
9514 mono_marshal_get_managed_wrapper (MonoMethod *method, MonoClass *delegate_klass, uint32_t target_handle)
9516 static MonoClass *UnmanagedFunctionPointerAttribute;
9517 MonoMethodSignature *sig, *csig, *invoke_sig;
9518 MonoMethodBuilder *mb;
9519 MonoMethod *res, *invoke;
9520 MonoMarshalSpec **mspecs;
9521 MonoMethodPInvoke piinfo;
9524 EmitMarshalContext m;
9526 g_assert (method != NULL);
9527 g_assert (!mono_method_signature (method)->pinvoke);
9530 * FIXME: Should cache the method+delegate type pair, since the same method
9531 * could be called with different delegates, thus different marshalling
9534 cache = get_cache (&method->klass->image->managed_wrapper_cache, mono_aligned_addr_hash, NULL);
9535 if (!target_handle && (res = mono_marshal_find_in_cache (cache, method)))
9538 invoke = mono_get_delegate_invoke (delegate_klass);
9539 invoke_sig = mono_method_signature (invoke);
9541 mspecs = g_new0 (MonoMarshalSpec*, mono_method_signature (invoke)->param_count + 1);
9542 mono_method_get_marshal_info (invoke, mspecs);
9544 sig = mono_method_signature (method);
9546 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_NATIVE_TO_MANAGED);
9548 /*the target gchandle must be the first entry after size and the wrapper itself.*/
9549 mono_mb_add_data (mb, GUINT_TO_POINTER (target_handle));
9551 /* we copy the signature, so that we can modify it */
9553 /* Need to free this later */
9554 csig = mono_metadata_signature_dup (invoke_sig);
9556 csig = signature_dup (method->klass->image, invoke_sig);
9565 m.image = method->klass->image;
9567 mono_marshal_set_callconv_from_modopt (invoke, csig);
9569 /* Handle the UnmanagedFunctionPointerAttribute */
9570 if (!UnmanagedFunctionPointerAttribute)
9571 UnmanagedFunctionPointerAttribute = mono_class_from_name (mono_defaults.corlib, "System.Runtime.InteropServices", "UnmanagedFunctionPointerAttribute");
9573 /* The attribute is only available in Net 2.0 */
9574 if (UnmanagedFunctionPointerAttribute) {
9575 MonoCustomAttrInfo *cinfo;
9576 MonoCustomAttrEntry *attr;
9579 * The pinvoke attributes are stored in a real custom attribute. Obtain the
9580 * contents of the attribute without constructing it, as that might not be
9581 * possible when running in cross-compiling mode.
9583 cinfo = mono_custom_attrs_from_class (delegate_klass);
9586 for (i = 0; i < cinfo->num_attrs; ++i) {
9587 MonoClass *ctor_class = cinfo->attrs [i].ctor->klass;
9588 if (mono_class_has_parent (ctor_class, UnmanagedFunctionPointerAttribute)) {
9589 attr = &cinfo->attrs [i];
9595 MonoArray *typed_args, *named_args;
9596 CattrNamedArg *arginfo;
9600 MonoBoolean set_last_error = 0;
9601 MonoBoolean best_fit_mapping = 0;
9602 MonoBoolean throw_on_unmappable = 0;
9605 mono_reflection_create_custom_attr_data_args (mono_defaults.corlib, attr->ctor, attr->data, attr->data_size, &typed_args, &named_args, &arginfo, &error);
9606 g_assert (mono_error_ok (&error));
9607 g_assert (mono_array_length (typed_args) == 1);
9610 o = mono_array_get (typed_args, MonoObject*, 0);
9611 call_conv = *(gint32*)mono_object_unbox (o);
9614 for (i = 0; i < mono_array_length (named_args); ++i) {
9615 CattrNamedArg *narg = &arginfo [i];
9617 o = mono_array_get (named_args, MonoObject*, i);
9619 g_assert (narg->field);
9620 if (!strcmp (narg->field->name, "CharSet")) {
9621 charset = *(gint32*)mono_object_unbox (o);
9622 } else if (!strcmp (narg->field->name, "SetLastError")) {
9623 set_last_error = *(MonoBoolean*)mono_object_unbox (o);
9624 } else if (!strcmp (narg->field->name, "BestFitMapping")) {
9625 best_fit_mapping = *(MonoBoolean*)mono_object_unbox (o);
9626 } else if (!strcmp (narg->field->name, "ThrowOnUnmappableChar")) {
9627 throw_on_unmappable = *(MonoBoolean*)mono_object_unbox (o);
9629 g_assert_not_reached ();
9635 memset (&piinfo, 0, sizeof (piinfo));
9637 piinfo.piflags = (call_conv << 8) | (charset ? (charset - 1) * 2 : 1) | set_last_error;
9639 csig->call_convention = call_conv - 1;
9642 if (cinfo && !cinfo->cached)
9643 mono_custom_attrs_free (cinfo);
9646 mono_marshal_emit_managed_wrapper (mb, invoke_sig, mspecs, &m, method, target_handle);
9648 if (!target_handle) {
9651 // FIXME: Associate it with the method+delegate_klass pair
9652 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NONE);
9653 info->d.native_to_managed.method = method;
9654 info->d.native_to_managed.klass = delegate_klass;
9656 res = mono_mb_create_and_cache_full (cache, method,
9657 mb, csig, sig->param_count + 16,
9663 res = mono_mb_create (mb, csig, sig->param_count + 16, NULL);
9667 for (i = mono_method_signature (invoke)->param_count; i >= 0; i--)
9669 mono_metadata_free_marshal_spec (mspecs [i]);
9672 /* code_for (res); */
9678 mono_marshal_get_vtfixup_ftnptr (MonoImage *image, guint32 token, guint16 type)
9681 MonoMethodSignature *sig;
9682 MonoMethodBuilder *mb;
9687 method = mono_get_method (image, token, NULL);
9690 if (type & (VTFIXUP_TYPE_FROM_UNMANAGED | VTFIXUP_TYPE_FROM_UNMANAGED_RETAIN_APPDOMAIN)) {
9691 MonoMethodSignature *csig;
9692 MonoMarshalSpec **mspecs;
9693 EmitMarshalContext m;
9695 sig = mono_method_signature (method);
9696 g_assert (!sig->hasthis);
9698 mspecs = g_new0 (MonoMarshalSpec*, sig->param_count + 1);
9699 mono_method_get_marshal_info (method, mspecs);
9701 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_NATIVE_TO_MANAGED);
9702 csig = signature_dup (image, sig);
9713 mono_marshal_set_callconv_from_modopt (method, csig);
9715 /* FIXME: Implement VTFIXUP_TYPE_FROM_UNMANAGED_RETAIN_APPDOMAIN. */
9717 mono_marshal_emit_managed_wrapper (mb, sig, mspecs, &m, method, 0);
9722 method = mono_mb_create (mb, csig, sig->param_count + 16, NULL);
9725 for (i = sig->param_count; i >= 0; i--)
9727 mono_metadata_free_marshal_spec (mspecs [i]);
9730 return mono_compile_method (method);
9733 sig = mono_method_signature (method);
9734 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_MANAGED_TO_MANAGED);
9736 param_count = sig->param_count + sig->hasthis;
9738 for (i = 0; i < param_count; i++)
9739 mono_mb_emit_ldarg (mb, i);
9741 if (type & VTFIXUP_TYPE_CALL_MOST_DERIVED)
9742 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
9744 mono_mb_emit_op (mb, CEE_CALL, method);
9745 mono_mb_emit_byte (mb, CEE_RET);
9750 method = mono_mb_create (mb, sig, param_count, NULL);
9753 return mono_compile_method (method);
9756 static MonoReflectionType *
9757 type_from_handle (MonoType *handle)
9759 MonoDomain *domain = mono_domain_get ();
9760 MonoClass *klass = mono_class_from_mono_type (handle);
9762 MONO_ARCH_SAVE_REGS;
9764 mono_class_init (klass);
9765 return mono_type_get_object (domain, handle);
9769 * This does the equivalent of mono_object_castclass_with_cache.
9770 * The wrapper info for the wrapper is a WrapperInfo structure.
9773 mono_marshal_get_castclass_with_cache (void)
9775 static MonoMethod *cached;
9777 MonoMethodBuilder *mb;
9778 MonoMethodSignature *sig;
9779 int return_null_pos, cache_miss_pos, invalid_cast_pos;
9785 mb = mono_mb_new (mono_defaults.object_class, "__castclass_with_cache", MONO_WRAPPER_CASTCLASS);
9786 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
9787 sig->params [0] = &mono_defaults.object_class->byval_arg;
9788 sig->params [1] = &mono_defaults.int_class->byval_arg;
9789 sig->params [2] = &mono_defaults.int_class->byval_arg;
9790 sig->ret = &mono_defaults.object_class->byval_arg;
9794 /* allocate local 0 (pointer) obj_vtable */
9795 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9798 mono_mb_emit_ldarg (mb, 0);
9799 return_null_pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
9801 /*obj_vtable = obj->vtable;*/
9802 mono_mb_emit_ldarg (mb, 0);
9803 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoObject, vtable));
9804 mono_mb_emit_byte (mb, CEE_LDIND_I);
9805 mono_mb_emit_stloc (mb, 0);
9808 mono_mb_emit_ldarg (mb, 2);
9809 mono_mb_emit_byte (mb, CEE_LDIND_I);
9810 mono_mb_emit_ldloc (mb, 0);
9812 /*if (*cache == obj_vtable)*/
9813 cache_miss_pos = mono_mb_emit_branch (mb, CEE_BNE_UN);
9816 mono_mb_emit_ldarg (mb, 0);
9817 mono_mb_emit_byte (mb, CEE_RET);
9819 mono_mb_patch_branch (mb, cache_miss_pos);
9820 /*if (mono_object_isinst (obj, klass)) */
9821 mono_mb_emit_ldarg (mb, 0);
9822 mono_mb_emit_ldarg (mb, 1);
9823 mono_mb_emit_icall (mb, mono_object_isinst);
9824 invalid_cast_pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
9826 /**cache = obj_vtable;*/
9827 mono_mb_emit_ldarg (mb, 2);
9828 mono_mb_emit_ldloc (mb, 0);
9829 mono_mb_emit_byte (mb, CEE_STIND_I);
9832 mono_mb_emit_ldarg (mb, 0);
9833 mono_mb_emit_byte (mb, CEE_RET);
9836 mono_mb_patch_branch (mb, invalid_cast_pos);
9837 mono_mb_emit_exception (mb, "InvalidCastException", NULL);
9840 mono_mb_patch_branch (mb, return_null_pos);
9841 mono_mb_emit_byte (mb, CEE_LDNULL);
9842 mono_mb_emit_byte (mb, CEE_RET);
9843 #endif /* DISABLE_JIT */
9845 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_CASTCLASS_WITH_CACHE);
9846 res = mono_mb_create (mb, sig, 8, info);
9849 if (InterlockedCompareExchangePointer ((volatile gpointer *)&cached, res, NULL)) {
9850 mono_free_method (res);
9851 mono_metadata_free_method_signature (sig);
9859 * This does the equivalent of mono_object_isinst_with_cache.
9860 * The wrapper info for the wrapper is a WrapperInfo structure.
9863 mono_marshal_get_isinst_with_cache (void)
9865 static MonoMethod *cached;
9867 MonoMethodBuilder *mb;
9868 MonoMethodSignature *sig;
9869 int return_null_pos, cache_miss_pos, cache_hit_pos, not_an_instance_pos, negative_cache_hit_pos;
9875 mb = mono_mb_new (mono_defaults.object_class, "__isinst_with_cache", MONO_WRAPPER_CASTCLASS);
9876 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
9877 sig->params [0] = &mono_defaults.object_class->byval_arg;
9878 sig->params [1] = &mono_defaults.int_class->byval_arg;
9879 sig->params [2] = &mono_defaults.int_class->byval_arg;
9880 sig->ret = &mono_defaults.object_class->byval_arg;
9884 /* allocate local 0 (pointer) obj_vtable */
9885 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9886 /* allocate local 1 (pointer) cached_vtable */
9887 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9890 mono_mb_emit_ldarg (mb, 0);
9891 return_null_pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
9893 /*obj_vtable = obj->vtable;*/
9894 mono_mb_emit_ldarg (mb, 0);
9895 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoObject, vtable));
9896 mono_mb_emit_byte (mb, CEE_LDIND_I);
9897 mono_mb_emit_stloc (mb, 0);
9899 /* cached_vtable = *cache*/
9900 mono_mb_emit_ldarg (mb, 2);
9901 mono_mb_emit_byte (mb, CEE_LDIND_I);
9902 mono_mb_emit_stloc (mb, 1);
9904 mono_mb_emit_ldloc (mb, 1);
9905 mono_mb_emit_byte (mb, CEE_LDC_I4);
9906 mono_mb_emit_i4 (mb, ~0x1);
9907 mono_mb_emit_byte (mb, CEE_CONV_U);
9908 mono_mb_emit_byte (mb, CEE_AND);
9909 mono_mb_emit_ldloc (mb, 0);
9910 /*if ((cached_vtable & ~0x1)== obj_vtable)*/
9911 cache_miss_pos = mono_mb_emit_branch (mb, CEE_BNE_UN);
9913 /*return (cached_vtable & 0x1) ? NULL : obj;*/
9914 mono_mb_emit_ldloc (mb, 1);
9915 mono_mb_emit_byte(mb, CEE_LDC_I4_1);
9916 mono_mb_emit_byte (mb, CEE_CONV_U);
9917 mono_mb_emit_byte (mb, CEE_AND);
9918 negative_cache_hit_pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
9921 mono_mb_emit_ldarg (mb, 0);
9922 cache_hit_pos = mono_mb_emit_branch (mb, CEE_BR);
9925 mono_mb_patch_branch (mb, negative_cache_hit_pos);
9926 mono_mb_emit_byte (mb, CEE_LDNULL);
9928 mono_mb_patch_branch (mb, cache_hit_pos);
9929 mono_mb_emit_byte (mb, CEE_RET);
9931 mono_mb_patch_branch (mb, cache_miss_pos);
9932 /*if (mono_object_isinst (obj, klass)) */
9933 mono_mb_emit_ldarg (mb, 0);
9934 mono_mb_emit_ldarg (mb, 1);
9935 mono_mb_emit_icall (mb, mono_object_isinst);
9936 not_an_instance_pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
9938 /**cache = obj_vtable;*/
9939 mono_mb_emit_ldarg (mb, 2);
9940 mono_mb_emit_ldloc (mb, 0);
9941 mono_mb_emit_byte (mb, CEE_STIND_I);
9944 mono_mb_emit_ldarg (mb, 0);
9945 mono_mb_emit_byte (mb, CEE_RET);
9948 mono_mb_patch_branch (mb, not_an_instance_pos);
9949 /* *cache = (gpointer)(obj_vtable | 0x1);*/
9950 mono_mb_emit_ldarg (mb, 2);
9951 /*obj_vtable | 0x1*/
9952 mono_mb_emit_ldloc (mb, 0);
9953 mono_mb_emit_byte(mb, CEE_LDC_I4_1);
9954 mono_mb_emit_byte (mb, CEE_CONV_U);
9955 mono_mb_emit_byte (mb, CEE_OR);
9958 mono_mb_emit_byte (mb, CEE_STIND_I);
9961 mono_mb_patch_branch (mb, return_null_pos);
9962 mono_mb_emit_byte (mb, CEE_LDNULL);
9963 mono_mb_emit_byte (mb, CEE_RET);
9966 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_ISINST_WITH_CACHE);
9967 res = mono_mb_create (mb, sig, 8, info);
9970 if (InterlockedCompareExchangePointer ((volatile gpointer *)&cached, res, NULL)) {
9971 mono_free_method (res);
9972 mono_metadata_free_method_signature (sig);
9980 * mono_marshal_get_isinst:
9981 * @klass: the type of the field
9983 * This method generates a function which can be used to check if an object is
9984 * an instance of the given type, icluding the case where the object is a proxy.
9985 * The generated function has the following signature:
9986 * MonoObject* __isinst_wrapper_ (MonoObject *obj)
9989 mono_marshal_get_isinst (MonoClass *klass)
9991 static MonoMethodSignature *isint_sig = NULL;
9995 int pos_was_ok, pos_end;
9996 #ifndef DISABLE_REMOTING
9997 int pos_end2, pos_failed;
10000 MonoMethodBuilder *mb;
10002 cache = get_cache (&klass->image->isinst_cache, mono_aligned_addr_hash, NULL);
10003 if ((res = mono_marshal_find_in_cache (cache, klass)))
10007 isint_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
10008 isint_sig->params [0] = &mono_defaults.object_class->byval_arg;
10009 isint_sig->ret = &mono_defaults.object_class->byval_arg;
10010 isint_sig->pinvoke = 0;
10013 name = g_strdup_printf ("__isinst_wrapper_%s", klass->name);
10014 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_ISINST);
10017 mb->method->save_lmf = 1;
10019 #ifndef DISABLE_JIT
10020 /* check if the object is a proxy that needs special cast */
10021 mono_mb_emit_ldarg (mb, 0);
10022 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
10023 mono_mb_emit_op (mb, CEE_MONO_CISINST, klass);
10025 /* The result of MONO_CISINST can be:
10026 0) the type check succeeded
10027 1) the type check did not succeed
10028 2) a CanCastTo call is needed */
10029 #ifndef DISABLE_REMOTING
10030 mono_mb_emit_byte (mb, CEE_DUP);
10031 pos_was_ok = mono_mb_emit_branch (mb, CEE_BRFALSE);
10033 mono_mb_emit_byte (mb, CEE_LDC_I4_2);
10034 pos_failed = mono_mb_emit_branch (mb, CEE_BNE_UN);
10036 /* get the real proxy from the transparent proxy*/
10038 mono_mb_emit_ldarg (mb, 0);
10039 mono_mb_emit_managed_call (mb, mono_marshal_get_proxy_cancast (klass), NULL);
10040 pos_end = mono_mb_emit_branch (mb, CEE_BR);
10044 mono_mb_patch_branch (mb, pos_failed);
10045 mono_mb_emit_byte (mb, CEE_LDNULL);
10046 pos_end2 = mono_mb_emit_branch (mb, CEE_BR);
10050 mono_mb_patch_branch (mb, pos_was_ok);
10051 mono_mb_emit_byte (mb, CEE_POP);
10052 mono_mb_emit_ldarg (mb, 0);
10056 mono_mb_patch_branch (mb, pos_end);
10057 mono_mb_patch_branch (mb, pos_end2);
10058 mono_mb_emit_byte (mb, CEE_RET);
10060 pos_was_ok = mono_mb_emit_branch (mb, CEE_BRFALSE);
10064 mono_mb_emit_byte (mb, CEE_LDNULL);
10065 pos_end = mono_mb_emit_branch (mb, CEE_BR);
10069 mono_mb_patch_branch (mb, pos_was_ok);
10070 mono_mb_emit_ldarg (mb, 0);
10074 mono_mb_patch_branch (mb, pos_end);
10075 mono_mb_emit_byte (mb, CEE_RET);
10076 #endif /* DISABLE_REMOTING */
10077 #endif /* DISABLE_JIT */
10079 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NONE);
10080 info->d.proxy.klass = klass;
10081 res = mono_mb_create_and_cache_full (cache, klass, mb, isint_sig, isint_sig->param_count + 16, info, NULL);
10088 * mono_marshal_get_castclass:
10089 * @klass: the type of the field
10091 * This method generates a function which can be used to cast an object to
10092 * an instance of the given type, icluding the case where the object is a proxy.
10093 * The generated function has the following signature:
10094 * MonoObject* __castclass_wrapper_ (MonoObject *obj)
10095 * The wrapper info for the wrapper is a WrapperInfo structure.
10098 mono_marshal_get_castclass (MonoClass *klass)
10100 static MonoMethodSignature *castclass_sig = NULL;
10103 #ifndef DISABLE_REMOTING
10104 int pos_was_ok, pos_was_ok2;
10107 MonoMethodBuilder *mb;
10110 cache = get_cache (&klass->image->castclass_cache, mono_aligned_addr_hash, NULL);
10111 if ((res = mono_marshal_find_in_cache (cache, klass)))
10114 if (!castclass_sig) {
10115 castclass_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
10116 castclass_sig->params [0] = &mono_defaults.object_class->byval_arg;
10117 castclass_sig->ret = &mono_defaults.object_class->byval_arg;
10118 castclass_sig->pinvoke = 0;
10121 name = g_strdup_printf ("__castclass_wrapper_%s", klass->name);
10122 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_CASTCLASS);
10125 mb->method->save_lmf = 1;
10127 #ifndef DISABLE_JIT
10128 /* check if the object is a proxy that needs special cast */
10129 mono_mb_emit_ldarg (mb, 0);
10130 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
10131 mono_mb_emit_op (mb, CEE_MONO_CCASTCLASS, klass);
10133 /* The result of MONO_CCASTCLASS can be:
10134 0) the cast is valid
10135 1) cast of unknown proxy type
10136 or an exception if the cast is is invalid
10138 #ifndef DISABLE_REMOTING
10139 pos_was_ok = mono_mb_emit_branch (mb, CEE_BRFALSE);
10141 /* get the real proxy from the transparent proxy*/
10143 mono_mb_emit_ldarg (mb, 0);
10144 mono_mb_emit_managed_call (mb, mono_marshal_get_proxy_cancast (klass), NULL);
10145 pos_was_ok2 = mono_mb_emit_branch (mb, CEE_BRTRUE);
10148 mono_mb_emit_exception (mb, "InvalidCastException", NULL);
10151 mono_mb_patch_branch (mb, pos_was_ok);
10152 mono_mb_patch_branch (mb, pos_was_ok2);
10154 /* MONO_CCASTCLASS leaves an int in the stack with the result, pop it. */
10155 mono_mb_emit_byte (mb, CEE_POP);
10156 #endif /* DISABLE_REMOTING */
10158 mono_mb_emit_ldarg (mb, 0);
10161 mono_mb_emit_byte (mb, CEE_RET);
10162 #endif /* DISABLE_JIT */
10164 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NONE);
10166 res = mono_mb_create_and_cache_full (cache, klass, mb, castclass_sig, castclass_sig->param_count + 16,
10173 #ifndef DISABLE_REMOTING
10175 mono_marshal_get_proxy_cancast (MonoClass *klass)
10177 static MonoMethodSignature *isint_sig = NULL;
10181 int pos_failed, pos_end;
10182 char *name, *klass_name;
10183 MonoMethod *can_cast_to;
10184 MonoMethodDesc *desc;
10185 MonoMethodBuilder *mb;
10187 cache = get_cache (&klass->image->proxy_isinst_cache, mono_aligned_addr_hash, NULL);
10188 if ((res = mono_marshal_find_in_cache (cache, klass)))
10192 isint_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
10193 isint_sig->params [0] = &mono_defaults.object_class->byval_arg;
10194 isint_sig->ret = &mono_defaults.object_class->byval_arg;
10195 isint_sig->pinvoke = 0;
10198 klass_name = mono_type_full_name (&klass->byval_arg);
10199 name = g_strdup_printf ("__proxy_isinst_wrapper_%s", klass_name);
10200 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_PROXY_ISINST);
10201 g_free (klass_name);
10204 mb->method->save_lmf = 1;
10206 #ifndef DISABLE_JIT
10207 /* get the real proxy from the transparent proxy*/
10208 mono_mb_emit_ldarg (mb, 0);
10209 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoTransparentProxy, rp));
10210 mono_mb_emit_byte (mb, CEE_LDIND_REF);
10212 /* get the reflection type from the type handle */
10213 mono_mb_emit_ptr (mb, &klass->byval_arg);
10214 mono_mb_emit_icall (mb, type_from_handle);
10216 mono_mb_emit_ldarg (mb, 0);
10218 /* make the call to CanCastTo (type, ob) */
10219 desc = mono_method_desc_new ("IRemotingTypeInfo:CanCastTo", FALSE);
10220 can_cast_to = mono_method_desc_search_in_class (desc, mono_defaults.iremotingtypeinfo_class);
10221 g_assert (can_cast_to);
10222 mono_method_desc_free (desc);
10223 mono_mb_emit_op (mb, CEE_CALLVIRT, can_cast_to);
10225 pos_failed = mono_mb_emit_branch (mb, CEE_BRFALSE);
10227 /* Upgrade the proxy vtable by calling: mono_upgrade_remote_class_wrapper (type, ob)*/
10228 mono_mb_emit_ptr (mb, &klass->byval_arg);
10229 mono_mb_emit_icall (mb, type_from_handle);
10230 mono_mb_emit_ldarg (mb, 0);
10232 mono_mb_emit_icall (mb, mono_upgrade_remote_class_wrapper);
10233 emit_thread_interrupt_checkpoint (mb);
10235 mono_mb_emit_ldarg (mb, 0);
10236 pos_end = mono_mb_emit_branch (mb, CEE_BR);
10240 mono_mb_patch_branch (mb, pos_failed);
10241 mono_mb_emit_byte (mb, CEE_LDNULL);
10245 mono_mb_patch_branch (mb, pos_end);
10246 mono_mb_emit_byte (mb, CEE_RET);
10249 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NONE);
10250 info->d.proxy.klass = klass;
10251 res = mono_mb_create_and_cache_full (cache, klass, mb, isint_sig, isint_sig->param_count + 16, info, NULL);
10258 mono_upgrade_remote_class_wrapper (MonoReflectionType *rtype, MonoTransparentProxy *tproxy)
10261 MonoDomain *domain = ((MonoObject*)tproxy)->vtable->domain;
10262 klass = mono_class_from_mono_type (rtype->type);
10263 mono_upgrade_remote_class (domain, (MonoObject*)tproxy, klass);
10265 #endif /*DISABLE_REMOTING */
10268 * mono_marshal_get_struct_to_ptr:
10271 * generates IL code for StructureToPtr (object structure, IntPtr ptr, bool fDeleteOld)
10272 * The wrapper info for the wrapper is a WrapperInfo structure.
10275 mono_marshal_get_struct_to_ptr (MonoClass *klass)
10277 MonoMethodBuilder *mb;
10278 static MonoMethod *stoptr = NULL;
10282 g_assert (klass != NULL);
10284 mono_marshal_load_type_info (klass);
10286 if (klass->marshal_info->str_to_ptr)
10287 return klass->marshal_info->str_to_ptr;
10290 stoptr = mono_class_get_method_from_name (mono_defaults.marshal_class, "StructureToPtr", 3);
10293 mb = mono_mb_new (klass, stoptr->name, MONO_WRAPPER_UNKNOWN);
10295 #ifndef DISABLE_JIT
10296 if (klass->blittable) {
10297 mono_mb_emit_byte (mb, CEE_LDARG_1);
10298 mono_mb_emit_byte (mb, CEE_LDARG_0);
10299 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
10300 mono_mb_emit_icon (mb, mono_class_value_size (klass, NULL));
10301 mono_mb_emit_byte (mb, CEE_PREFIX1);
10302 mono_mb_emit_byte (mb, CEE_CPBLK);
10305 /* allocate local 0 (pointer) src_ptr */
10306 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10307 /* allocate local 1 (pointer) dst_ptr */
10308 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10309 /* allocate local 2 (boolean) delete_old */
10310 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
10311 mono_mb_emit_byte (mb, CEE_LDARG_2);
10312 mono_mb_emit_stloc (mb, 2);
10314 /* initialize src_ptr to point to the start of object data */
10315 mono_mb_emit_byte (mb, CEE_LDARG_0);
10316 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
10317 mono_mb_emit_stloc (mb, 0);
10319 /* initialize dst_ptr */
10320 mono_mb_emit_byte (mb, CEE_LDARG_1);
10321 mono_mb_emit_stloc (mb, 1);
10323 emit_struct_conv (mb, klass, FALSE);
10326 mono_mb_emit_byte (mb, CEE_RET);
10328 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_STRUCTURE_TO_PTR);
10329 res = mono_mb_create (mb, mono_signature_no_pinvoke (stoptr), 0, info);
10332 klass->marshal_info->str_to_ptr = res;
10337 * mono_marshal_get_ptr_to_struct:
10340 * generates IL code for PtrToStructure (IntPtr src, object structure)
10341 * The wrapper info for the wrapper is a WrapperInfo structure.
10344 mono_marshal_get_ptr_to_struct (MonoClass *klass)
10346 MonoMethodBuilder *mb;
10347 static MonoMethodSignature *ptostr = NULL;
10351 g_assert (klass != NULL);
10353 mono_marshal_load_type_info (klass);
10355 if (klass->marshal_info->ptr_to_str)
10356 return klass->marshal_info->ptr_to_str;
10359 MonoMethodSignature *sig;
10361 /* Create the signature corresponding to
10362 static void PtrToStructure (IntPtr ptr, object structure);
10363 defined in class/corlib/System.Runtime.InteropServices/Marshal.cs */
10364 sig = mono_create_icall_signature ("void ptr object");
10365 sig = signature_dup (mono_defaults.corlib, sig);
10367 mono_memory_barrier ();
10371 mb = mono_mb_new (klass, "PtrToStructure", MONO_WRAPPER_UNKNOWN);
10373 #ifndef DISABLE_JIT
10374 if (klass->blittable) {
10375 mono_mb_emit_byte (mb, CEE_LDARG_1);
10376 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
10377 mono_mb_emit_byte (mb, CEE_LDARG_0);
10378 mono_mb_emit_icon (mb, mono_class_value_size (klass, NULL));
10379 mono_mb_emit_byte (mb, CEE_PREFIX1);
10380 mono_mb_emit_byte (mb, CEE_CPBLK);
10383 /* allocate local 0 (pointer) src_ptr */
10384 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10385 /* allocate local 1 (pointer) dst_ptr */
10386 mono_mb_add_local (mb, &klass->this_arg);
10388 /* initialize src_ptr to point to the start of object data */
10389 mono_mb_emit_byte (mb, CEE_LDARG_0);
10390 mono_mb_emit_stloc (mb, 0);
10392 /* initialize dst_ptr */
10393 mono_mb_emit_byte (mb, CEE_LDARG_1);
10394 mono_mb_emit_op (mb, CEE_UNBOX, klass);
10395 mono_mb_emit_stloc (mb, 1);
10397 emit_struct_conv (mb, klass, TRUE);
10400 mono_mb_emit_byte (mb, CEE_RET);
10402 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_PTR_TO_STRUCTURE);
10403 res = mono_mb_create (mb, ptostr, 0, info);
10406 klass->marshal_info->ptr_to_str = res;
10411 * Return a dummy wrapper for METHOD which is called by synchronized wrappers.
10412 * This is used to avoid infinite recursion since it is hard to determine where to
10413 * replace a method with its synchronized wrapper, and where not.
10414 * The runtime should execute METHOD instead of the wrapper.
10415 * The wrapper info for the wrapper is a WrapperInfo structure.
10418 mono_marshal_get_synchronized_inner_wrapper (MonoMethod *method)
10420 MonoMethodBuilder *mb;
10422 MonoMethodSignature *sig;
10424 MonoGenericContext *ctx = NULL;
10425 MonoMethod *orig_method = NULL;
10426 MonoGenericContainer *container = NULL;
10428 if (method->is_inflated && !mono_method_get_context (method)->method_inst) {
10429 orig_method = method;
10430 ctx = &((MonoMethodInflated*)method)->context;
10431 method = ((MonoMethodInflated*)method)->declaring;
10432 container = mono_method_get_generic_container (method);
10434 container = method->klass->generic_container;
10435 g_assert (container);
10438 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_UNKNOWN);
10439 #ifndef DISABLE_JIT
10440 mono_mb_emit_exception_full (mb, "System", "ExecutionEngineException", "Shouldn't be called.");
10441 mono_mb_emit_byte (mb, CEE_RET);
10443 sig = signature_dup (method->klass->image, mono_method_signature (method));
10445 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_SYNCHRONIZED_INNER);
10446 info->d.synchronized_inner.method = method;
10447 res = mono_mb_create (mb, sig, 0, info);
10450 res = mono_class_inflate_generic_method (res, ctx);
10455 * generates IL code for the synchronized wrapper: the generated method
10456 * calls METHOD while locking 'this' or the parent type.
10459 mono_marshal_get_synchronized_wrapper (MonoMethod *method)
10461 static MonoMethod *enter_method, *exit_method, *gettypefromhandle_method;
10462 MonoMethodSignature *sig;
10463 MonoExceptionClause *clause;
10464 MonoMethodBuilder *mb;
10467 int i, pos, this_local, ret_local = 0;
10468 MonoGenericContext *ctx = NULL;
10469 MonoMethod *orig_method = NULL;
10470 MonoGenericContainer *container = NULL;
10474 if (method->wrapper_type == MONO_WRAPPER_SYNCHRONIZED)
10477 /* FIXME: Support generic methods too */
10478 if (method->is_inflated && !mono_method_get_context (method)->method_inst) {
10479 orig_method = method;
10480 ctx = &((MonoMethodInflated*)method)->context;
10481 method = ((MonoMethodInflated*)method)->declaring;
10482 container = mono_method_get_generic_container (method);
10484 container = method->klass->generic_container;
10485 g_assert (container);
10492 cache = get_cache (&method->klass->image->synchronized_generic_cache, mono_aligned_addr_hash, NULL);
10493 res = check_generic_wrapper_cache (cache, orig_method, orig_method, method);
10497 cache = get_cache (&method->klass->image->synchronized_cache, mono_aligned_addr_hash, NULL);
10498 if ((res = mono_marshal_find_in_cache (cache, method)))
10502 sig = signature_dup (method->klass->image, mono_method_signature (method));
10505 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_SYNCHRONIZED);
10507 #ifndef DISABLE_JIT
10509 if (!MONO_TYPE_IS_VOID (sig->ret))
10510 ret_local = mono_mb_add_local (mb, sig->ret);
10513 if (method->klass->valuetype && !(method->flags & MONO_METHOD_ATTR_STATIC)) {
10514 mono_class_set_failure (method->klass, MONO_EXCEPTION_TYPE_LOAD, NULL);
10515 #ifndef DISABLE_JIT
10516 /* This will throw the type load exception when the wrapper is compiled */
10517 mono_mb_emit_byte (mb, CEE_LDNULL);
10518 mono_mb_emit_op (mb, CEE_ISINST, method->klass);
10519 mono_mb_emit_byte (mb, CEE_POP);
10521 if (!MONO_TYPE_IS_VOID (sig->ret))
10522 mono_mb_emit_ldloc (mb, ret_local);
10523 mono_mb_emit_byte (mb, CEE_RET);
10526 res = mono_mb_create_and_cache (cache, method,
10527 mb, sig, sig->param_count + 16);
10533 #ifndef DISABLE_JIT
10535 this_local = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
10537 clause = mono_image_alloc0 (method->klass->image, sizeof (MonoExceptionClause));
10538 clause->flags = MONO_EXCEPTION_CLAUSE_FINALLY;
10541 mono_marshal_lock ();
10543 if (!enter_method) {
10544 MonoMethodDesc *desc;
10546 desc = mono_method_desc_new ("Monitor:Enter", FALSE);
10547 enter_method = mono_method_desc_search_in_class (desc, mono_defaults.monitor_class);
10548 g_assert (enter_method);
10549 mono_method_desc_free (desc);
10551 desc = mono_method_desc_new ("Monitor:Exit", FALSE);
10552 exit_method = mono_method_desc_search_in_class (desc, mono_defaults.monitor_class);
10553 g_assert (exit_method);
10554 mono_method_desc_free (desc);
10556 desc = mono_method_desc_new ("Type:GetTypeFromHandle", FALSE);
10557 gettypefromhandle_method = mono_method_desc_search_in_class (desc, mono_defaults.systemtype_class);
10558 g_assert (gettypefromhandle_method);
10559 mono_method_desc_free (desc);
10562 mono_marshal_unlock ();
10564 #ifndef DISABLE_JIT
10565 /* Push this or the type object */
10566 if (method->flags & METHOD_ATTRIBUTE_STATIC) {
10567 /* We have special handling for this in the JIT */
10568 int index = mono_mb_add_data (mb, method->klass);
10569 mono_mb_add_data (mb, mono_defaults.typehandle_class);
10570 mono_mb_emit_byte (mb, CEE_LDTOKEN);
10571 mono_mb_emit_i4 (mb, index);
10573 mono_mb_emit_managed_call (mb, gettypefromhandle_method, NULL);
10576 mono_mb_emit_ldarg (mb, 0);
10577 mono_mb_emit_stloc (mb, this_local);
10579 /* Call Monitor::Enter() */
10580 mono_mb_emit_ldloc (mb, this_local);
10581 mono_mb_emit_managed_call (mb, enter_method, NULL);
10583 clause->try_offset = mono_mb_get_label (mb);
10585 /* Call the method */
10587 mono_mb_emit_ldarg (mb, 0);
10588 for (i = 0; i < sig->param_count; i++)
10589 mono_mb_emit_ldarg (mb, i + (sig->hasthis == TRUE));
10592 mono_mb_emit_managed_call (mb, mono_class_inflate_generic_method (method, &container->context), NULL);
10594 mono_mb_emit_managed_call (mb, method, NULL);
10596 if (!MONO_TYPE_IS_VOID (sig->ret))
10597 mono_mb_emit_stloc (mb, ret_local);
10599 pos = mono_mb_emit_branch (mb, CEE_LEAVE);
10601 clause->try_len = mono_mb_get_pos (mb) - clause->try_offset;
10602 clause->handler_offset = mono_mb_get_label (mb);
10604 /* Call Monitor::Exit() */
10605 mono_mb_emit_ldloc (mb, this_local);
10606 mono_mb_emit_managed_call (mb, exit_method, NULL);
10607 mono_mb_emit_byte (mb, CEE_ENDFINALLY);
10609 clause->handler_len = mono_mb_get_pos (mb) - clause->handler_offset;
10611 mono_mb_patch_branch (mb, pos);
10612 if (!MONO_TYPE_IS_VOID (sig->ret))
10613 mono_mb_emit_ldloc (mb, ret_local);
10614 mono_mb_emit_byte (mb, CEE_RET);
10616 mono_mb_set_clauses (mb, 1, clause);
10621 def = mono_mb_create_and_cache (cache, method, mb, sig, sig->param_count + 16);
10622 res = cache_generic_wrapper (cache, orig_method, def, ctx, orig_method);
10624 res = mono_mb_create_and_cache (cache, method,
10625 mb, sig, sig->param_count + 16);
10634 * the returned method calls 'method' unboxing the this argument
10637 mono_marshal_get_unbox_wrapper (MonoMethod *method)
10639 MonoMethodSignature *sig = mono_method_signature (method);
10641 MonoMethodBuilder *mb;
10645 cache = get_cache (&method->klass->image->unbox_wrapper_cache, mono_aligned_addr_hash, NULL);
10646 if ((res = mono_marshal_find_in_cache (cache, method)))
10649 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_UNBOX);
10651 g_assert (sig->hasthis);
10653 #ifndef DISABLE_JIT
10654 mono_mb_emit_ldarg (mb, 0);
10655 mono_mb_emit_icon (mb, sizeof (MonoObject));
10656 mono_mb_emit_byte (mb, CEE_ADD);
10657 for (i = 0; i < sig->param_count; ++i)
10658 mono_mb_emit_ldarg (mb, i + 1);
10659 mono_mb_emit_managed_call (mb, method, NULL);
10660 mono_mb_emit_byte (mb, CEE_RET);
10663 res = mono_mb_create_and_cache (cache, method,
10664 mb, sig, sig->param_count + 16);
10667 /* code_for (res); */
10673 STELEMREF_OBJECT, /*no check at all*/
10674 STELEMREF_SEALED_CLASS, /*check vtable->klass->element_type */
10675 STELEMREF_CLASS, /*only the klass->parents check*/
10676 STELEMREF_INTERFACE, /*interfaces without variant generic arguments. */
10677 STELEMREF_COMPLEX, /*arrays, MBR or types with variant generic args - go straight to icalls*/
10678 STELEMREF_KIND_COUNT
10681 static const char *strelemref_wrapper_name[] = {
10682 "object", "sealed_class", "class", "interface", "complex"
10686 is_monomorphic_array (MonoClass *klass)
10688 MonoClass *element_class;
10689 if (klass->rank != 1)
10692 element_class = klass->element_class;
10693 return (element_class->flags & TYPE_ATTRIBUTE_SEALED) || element_class->valuetype;
10697 get_virtual_stelemref_kind (MonoClass *element_class)
10699 if (element_class == mono_defaults.object_class)
10700 return STELEMREF_OBJECT;
10701 if (is_monomorphic_array (element_class))
10702 return STELEMREF_SEALED_CLASS;
10703 /* Compressed interface bitmaps require code that is quite complex, so don't optimize for it. */
10704 if (MONO_CLASS_IS_INTERFACE (element_class) && !mono_class_has_variant_generic_params (element_class))
10705 #ifdef COMPRESSED_INTERFACE_BITMAP
10706 return STELEMREF_COMPLEX;
10708 return STELEMREF_INTERFACE;
10710 /*Arrays are sealed but are covariant on their element type, We can't use any of the fast paths.*/
10711 if (mono_class_is_marshalbyref (element_class) || element_class->rank || mono_class_has_variant_generic_params (element_class))
10712 return STELEMREF_COMPLEX;
10713 if (element_class->flags & TYPE_ATTRIBUTE_SEALED)
10714 return STELEMREF_SEALED_CLASS;
10715 return STELEMREF_CLASS;
10718 #ifndef DISABLE_JIT
10721 load_array_element_address (MonoMethodBuilder *mb)
10723 mono_mb_emit_ldarg (mb, 0);
10724 mono_mb_emit_ldarg (mb, 1);
10725 mono_mb_emit_op (mb, CEE_LDELEMA, mono_defaults.object_class);
10729 load_array_class (MonoMethodBuilder *mb, int aklass)
10731 mono_mb_emit_ldarg (mb, 0);
10732 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoObject, vtable));
10733 mono_mb_emit_byte (mb, CEE_LDIND_I);
10734 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoVTable, klass));
10735 mono_mb_emit_byte (mb, CEE_LDIND_I);
10736 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoClass, element_class));
10737 mono_mb_emit_byte (mb, CEE_LDIND_I);
10738 mono_mb_emit_stloc (mb, aklass);
10742 load_value_class (MonoMethodBuilder *mb, int vklass)
10744 mono_mb_emit_ldarg (mb, 2);
10745 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoObject, vtable));
10746 mono_mb_emit_byte (mb, CEE_LDIND_I);
10747 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoVTable, klass));
10748 mono_mb_emit_byte (mb, CEE_LDIND_I);
10749 mono_mb_emit_stloc (mb, vklass);
10755 record_slot_vstore (MonoObject *array, size_t index, MonoObject *value)
10757 char *name = mono_type_get_full_name (array->vtable->klass->element_class);
10758 printf ("slow vstore of %s\n", name);
10764 * The wrapper info for the wrapper is a WrapperInfo structure.
10767 * - Separate simple interfaces from variant interfaces or mbr types. This way we can avoid the icall for them.
10768 * - Emit a (new) mono bytecode that produces OP_COND_EXC_NE_UN to raise ArrayTypeMismatch
10769 * - Maybe mve some MonoClass field into the vtable to reduce the number of loads
10770 * - Add a case for arrays of arrays.
10773 get_virtual_stelemref_wrapper (int kind)
10775 static MonoMethod *cached_methods [STELEMREF_KIND_COUNT] = { NULL }; /*object iface sealed regular*/
10776 static MonoMethodSignature *signature;
10777 MonoMethodBuilder *mb;
10780 const char *param_names [16];
10781 guint32 b1, b2, b3;
10782 int aklass, vklass, vtable, uiid;
10783 int array_slot_addr;
10786 if (cached_methods [kind])
10787 return cached_methods [kind];
10789 name = g_strdup_printf ("virt_stelemref_%s", strelemref_wrapper_name [kind]);
10790 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_STELEMREF);
10794 MonoMethodSignature *sig = mono_metadata_signature_alloc (mono_defaults.corlib, 2);
10796 /* void this::stelemref (size_t idx, void* value) */
10797 sig->ret = &mono_defaults.void_class->byval_arg;
10798 sig->hasthis = TRUE;
10799 sig->params [0] = &mono_defaults.int_class->byval_arg; /* this is a natural sized int */
10800 sig->params [1] = &mono_defaults.object_class->byval_arg;
10804 #ifndef DISABLE_JIT
10805 param_names [0] = "index";
10806 param_names [1] = "value";
10807 mono_mb_set_param_names (mb, param_names);
10809 /*For now simply call plain old stelemref*/
10811 case STELEMREF_OBJECT:
10812 /* ldelema (implicit bound check) */
10813 load_array_element_address (mb);
10815 mono_mb_emit_ldarg (mb, 2);
10816 mono_mb_emit_byte (mb, CEE_STIND_REF);
10817 mono_mb_emit_byte (mb, CEE_RET);
10820 case STELEMREF_COMPLEX:
10822 <ldelema (bound check)>
10825 if (!mono_object_isinst (value, aklass))
10829 *array_slot_addr = value;
10832 throw new ArrayTypeMismatchException ();
10835 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10836 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
10840 /*Use this to debug/record stores that are going thru the slow path*/
10841 MonoMethodSignature *csig;
10842 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
10843 csig->ret = &mono_defaults.void_class->byval_arg;
10844 csig->params [0] = &mono_defaults.object_class->byval_arg;
10845 csig->params [1] = &mono_defaults.int_class->byval_arg; /* this is a natural sized int */
10846 csig->params [2] = &mono_defaults.object_class->byval_arg;
10847 mono_mb_emit_ldarg (mb, 0);
10848 mono_mb_emit_ldarg (mb, 1);
10849 mono_mb_emit_ldarg (mb, 2);
10850 mono_mb_emit_native_call (mb, csig, record_slot_vstore);
10854 /* ldelema (implicit bound check) */
10855 load_array_element_address (mb);
10856 mono_mb_emit_stloc (mb, array_slot_addr);
10858 /* if (!value) goto do_store */
10859 mono_mb_emit_ldarg (mb, 2);
10860 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
10862 /* aklass = array->vtable->klass->element_class */
10863 load_array_class (mb, aklass);
10865 /*if (mono_object_isinst (value, aklass)) */
10866 mono_mb_emit_ldarg (mb, 2);
10867 mono_mb_emit_ldloc (mb, aklass);
10868 mono_mb_emit_icall (mb, mono_object_isinst);
10869 b2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
10872 mono_mb_patch_branch (mb, b1);
10873 mono_mb_emit_ldloc (mb, array_slot_addr);
10874 mono_mb_emit_ldarg (mb, 2);
10875 mono_mb_emit_byte (mb, CEE_STIND_REF);
10876 mono_mb_emit_byte (mb, CEE_RET);
10878 /* do_exception: */
10879 mono_mb_patch_branch (mb, b2);
10881 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
10884 case STELEMREF_SEALED_CLASS:
10886 <ldelema (bound check)>
10890 aklass = array->vtable->klass->element_class;
10891 vklass = value->vtable->klass;
10893 if (vklass != aklass)
10897 *array_slot_addr = value;
10900 throw new ArrayTypeMismatchException ();
10902 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10903 vklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10904 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
10907 /* ldelema (implicit bound check) */
10908 load_array_element_address (mb);
10909 mono_mb_emit_stloc (mb, array_slot_addr);
10911 /* if (!value) goto do_store */
10912 mono_mb_emit_ldarg (mb, 2);
10913 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
10915 /* aklass = array->vtable->klass->element_class */
10916 load_array_class (mb, aklass);
10918 /* vklass = value->vtable->klass */
10919 load_value_class (mb, vklass);
10921 /*if (vklass != aklass) goto do_exception; */
10922 mono_mb_emit_ldloc (mb, aklass);
10923 mono_mb_emit_ldloc (mb, vklass);
10924 b2 = mono_mb_emit_branch (mb, CEE_BNE_UN);
10927 mono_mb_patch_branch (mb, b1);
10928 mono_mb_emit_ldloc (mb, array_slot_addr);
10929 mono_mb_emit_ldarg (mb, 2);
10930 mono_mb_emit_byte (mb, CEE_STIND_REF);
10931 mono_mb_emit_byte (mb, CEE_RET);
10933 /* do_exception: */
10934 mono_mb_patch_branch (mb, b2);
10935 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
10938 case STELEMREF_CLASS:
10941 <ldelema (bound check)>
10945 aklass = array->vtable->klass->element_class;
10946 vklass = value->vtable->klass;
10948 if (vklass->idepth < aklass->idepth)
10951 if (vklass->supertypes [aklass->idepth - 1] != aklass)
10955 *array_slot_addr = value;
10959 throw new ArrayTypeMismatchException ();
10961 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10962 vklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10963 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
10965 /* ldelema (implicit bound check) */
10966 load_array_element_address (mb);
10967 mono_mb_emit_stloc (mb, array_slot_addr);
10969 /* if (!value) goto do_store */
10970 mono_mb_emit_ldarg (mb, 2);
10971 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
10973 /* aklass = array->vtable->klass->element_class */
10974 load_array_class (mb, aklass);
10976 /* vklass = value->vtable->klass */
10977 load_value_class (mb, vklass);
10979 /*if (mono_object_isinst (value, aklass)) */
10980 mono_mb_emit_ldarg (mb, 2);
10981 mono_mb_emit_ldloc (mb, aklass);
10982 mono_mb_emit_icall (mb, mono_object_isinst);
10983 b2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
10985 /* if (vklass->idepth < aklass->idepth) goto failue */
10986 mono_mb_emit_ldloc (mb, vklass);
10987 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoClass, idepth));
10988 mono_mb_emit_byte (mb, CEE_LDIND_U2);
10990 mono_mb_emit_ldloc (mb, aklass);
10991 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoClass, idepth));
10992 mono_mb_emit_byte (mb, CEE_LDIND_U2);
10994 b2 = mono_mb_emit_branch (mb, CEE_BLT_UN);
10996 /* if (vklass->supertypes [aklass->idepth - 1] != aklass) goto failure */
10997 mono_mb_emit_ldloc (mb, vklass);
10998 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoClass, supertypes));
10999 mono_mb_emit_byte (mb, CEE_LDIND_I);
11001 mono_mb_emit_ldloc (mb, aklass);
11002 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoClass, idepth));
11003 mono_mb_emit_byte (mb, CEE_LDIND_U2);
11004 mono_mb_emit_icon (mb, 1);
11005 mono_mb_emit_byte (mb, CEE_SUB);
11006 mono_mb_emit_icon (mb, sizeof (void*));
11007 mono_mb_emit_byte (mb, CEE_MUL);
11008 mono_mb_emit_byte (mb, CEE_ADD);
11009 mono_mb_emit_byte (mb, CEE_LDIND_I);
11011 mono_mb_emit_ldloc (mb, aklass);
11012 b3 = mono_mb_emit_branch (mb, CEE_BNE_UN);
11015 mono_mb_patch_branch (mb, b1);
11016 mono_mb_emit_ldloc (mb, array_slot_addr);
11017 mono_mb_emit_ldarg (mb, 2);
11018 mono_mb_emit_byte (mb, CEE_STIND_REF);
11019 mono_mb_emit_byte (mb, CEE_RET);
11021 /* do_exception: */
11022 mono_mb_patch_branch (mb, b2);
11023 mono_mb_patch_branch (mb, b3);
11025 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
11028 case STELEMREF_INTERFACE:
11035 klass = array->obj.vtable->klass->element_class;
11036 vt = value->vtable;
11037 uiid = klass->interface_id;
11038 if (uiid > vt->max_interface_id)
11040 if (!(vt->interface_bitmap [(uiid) >> 3] & (1 << ((uiid)&7))))
11043 mono_array_setref (array, index, value);
11046 mono_raise_exception (mono_get_exception_array_type_mismatch ());*/
11048 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
11049 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
11050 vtable = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
11051 uiid = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
11053 /* ldelema (implicit bound check) */
11054 load_array_element_address (mb);
11055 mono_mb_emit_stloc (mb, array_slot_addr);
11057 /* if (!value) goto do_store */
11058 mono_mb_emit_ldarg (mb, 2);
11059 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
11061 /* klass = array->vtable->klass->element_class */
11062 load_array_class (mb, aklass);
11064 /* vt = value->vtable */
11065 mono_mb_emit_ldarg (mb, 2);
11066 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoObject, vtable));
11067 mono_mb_emit_byte (mb, CEE_LDIND_I);
11068 mono_mb_emit_stloc (mb, vtable);
11070 /* uiid = klass->interface_id; */
11071 mono_mb_emit_ldloc (mb, aklass);
11072 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoClass, interface_id));
11073 mono_mb_emit_byte (mb, CEE_LDIND_U2);
11074 mono_mb_emit_stloc (mb, uiid);
11076 /*if (uiid > vt->max_interface_id)*/
11077 mono_mb_emit_ldloc (mb, uiid);
11078 mono_mb_emit_ldloc (mb, vtable);
11079 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoVTable, max_interface_id));
11080 mono_mb_emit_byte (mb, CEE_LDIND_U2);
11081 b2 = mono_mb_emit_branch (mb, CEE_BGT_UN);
11083 /* if (!(vt->interface_bitmap [(uiid) >> 3] & (1 << ((uiid)&7)))) */
11085 /*vt->interface_bitmap*/
11086 mono_mb_emit_ldloc (mb, vtable);
11087 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoVTable, interface_bitmap));
11088 mono_mb_emit_byte (mb, CEE_LDIND_I);
11091 mono_mb_emit_ldloc (mb, uiid);
11092 mono_mb_emit_icon (mb, 3);
11093 mono_mb_emit_byte (mb, CEE_SHR_UN);
11095 /*vt->interface_bitmap [(uiid) >> 3]*/
11096 mono_mb_emit_byte (mb, CEE_ADD); /*interface_bitmap is a guint8 array*/
11097 mono_mb_emit_byte (mb, CEE_LDIND_U1);
11099 /*(1 << ((uiid)&7)))*/
11100 mono_mb_emit_icon (mb, 1);
11101 mono_mb_emit_ldloc (mb, uiid);
11102 mono_mb_emit_icon (mb, 7);
11103 mono_mb_emit_byte (mb, CEE_AND);
11104 mono_mb_emit_byte (mb, CEE_SHL);
11106 /*bitwise and the whole thing*/
11107 mono_mb_emit_byte (mb, CEE_AND);
11108 b3 = mono_mb_emit_branch (mb, CEE_BRFALSE);
11111 mono_mb_patch_branch (mb, b1);
11112 mono_mb_emit_ldloc (mb, array_slot_addr);
11113 mono_mb_emit_ldarg (mb, 2);
11114 mono_mb_emit_byte (mb, CEE_STIND_REF);
11115 mono_mb_emit_byte (mb, CEE_RET);
11117 /* do_exception: */
11118 mono_mb_patch_branch (mb, b2);
11119 mono_mb_patch_branch (mb, b3);
11120 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
11124 mono_mb_emit_ldarg (mb, 0);
11125 mono_mb_emit_ldarg (mb, 1);
11126 mono_mb_emit_ldarg (mb, 2);
11127 mono_mb_emit_managed_call (mb, mono_marshal_get_stelemref (), NULL);
11128 mono_mb_emit_byte (mb, CEE_RET);
11131 #endif /* DISABLE_JIT */
11132 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_VIRTUAL_STELEMREF);
11133 info->d.virtual_stelemref.kind = kind;
11134 res = mono_mb_create (mb, signature, 4, info);
11135 res->flags |= METHOD_ATTRIBUTE_VIRTUAL;
11137 mono_marshal_lock ();
11138 if (!cached_methods [kind]) {
11139 cached_methods [kind] = res;
11140 mono_marshal_unlock ();
11142 mono_marshal_unlock ();
11143 mono_free_method (res);
11147 return cached_methods [kind];
11151 mono_marshal_get_virtual_stelemref (MonoClass *array_class)
11155 g_assert (array_class->rank == 1);
11156 kind = get_virtual_stelemref_kind (array_class->element_class);
11158 return get_virtual_stelemref_wrapper (kind);
11162 mono_marshal_get_virtual_stelemref_wrappers (int *nwrappers)
11167 *nwrappers = STELEMREF_KIND_COUNT;
11168 res = g_malloc0 (STELEMREF_KIND_COUNT * sizeof (MonoMethod*));
11169 for (i = 0; i < STELEMREF_KIND_COUNT; ++i)
11170 res [i] = get_virtual_stelemref_wrapper (i);
11175 * The wrapper info for the wrapper is a WrapperInfo structure.
11178 mono_marshal_get_stelemref (void)
11180 static MonoMethod* ret = NULL;
11181 MonoMethodSignature *sig;
11182 MonoMethodBuilder *mb;
11185 guint32 b1, b2, b3, b4;
11187 int aklass, vklass;
11188 int array_slot_addr;
11193 mb = mono_mb_new (mono_defaults.object_class, "stelemref", MONO_WRAPPER_STELEMREF);
11196 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
11198 /* void stelemref (void* array, int idx, void* value) */
11199 sig->ret = &mono_defaults.void_class->byval_arg;
11200 sig->params [0] = &mono_defaults.object_class->byval_arg;
11201 sig->params [1] = &mono_defaults.int_class->byval_arg; /* this is a natural sized int */
11202 sig->params [2] = &mono_defaults.object_class->byval_arg;
11204 #ifndef DISABLE_JIT
11205 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
11206 vklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
11207 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
11211 <ldelema (bound check)>
11215 aklass = array->vtable->klass->element_class;
11216 vklass = value->vtable->klass;
11218 if (vklass->idepth < aklass->idepth)
11221 if (vklass->supertypes [aklass->idepth - 1] != aklass)
11225 *array_slot_addr = value;
11229 if (mono_object_isinst (value, aklass))
11232 throw new ArrayTypeMismatchException ();
11235 /* ldelema (implicit bound check) */
11236 mono_mb_emit_ldarg (mb, 0);
11237 mono_mb_emit_ldarg (mb, 1);
11238 mono_mb_emit_op (mb, CEE_LDELEMA, mono_defaults.object_class);
11239 mono_mb_emit_stloc (mb, array_slot_addr);
11241 /* if (!value) goto do_store */
11242 mono_mb_emit_ldarg (mb, 2);
11243 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
11245 /* aklass = array->vtable->klass->element_class */
11246 mono_mb_emit_ldarg (mb, 0);
11247 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoObject, vtable));
11248 mono_mb_emit_byte (mb, CEE_LDIND_I);
11249 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoVTable, klass));
11250 mono_mb_emit_byte (mb, CEE_LDIND_I);
11251 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoClass, element_class));
11252 mono_mb_emit_byte (mb, CEE_LDIND_I);
11253 mono_mb_emit_stloc (mb, aklass);
11255 /* vklass = value->vtable->klass */
11256 mono_mb_emit_ldarg (mb, 2);
11257 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoObject, vtable));
11258 mono_mb_emit_byte (mb, CEE_LDIND_I);
11259 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoVTable, klass));
11260 mono_mb_emit_byte (mb, CEE_LDIND_I);
11261 mono_mb_emit_stloc (mb, vklass);
11263 /* if (vklass->idepth < aklass->idepth) goto failue */
11264 mono_mb_emit_ldloc (mb, vklass);
11265 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoClass, idepth));
11266 mono_mb_emit_byte (mb, CEE_LDIND_U2);
11268 mono_mb_emit_ldloc (mb, aklass);
11269 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoClass, idepth));
11270 mono_mb_emit_byte (mb, CEE_LDIND_U2);
11272 b2 = mono_mb_emit_branch (mb, CEE_BLT_UN);
11274 /* if (vklass->supertypes [aklass->idepth - 1] != aklass) goto failure */
11275 mono_mb_emit_ldloc (mb, vklass);
11276 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoClass, supertypes));
11277 mono_mb_emit_byte (mb, CEE_LDIND_I);
11279 mono_mb_emit_ldloc (mb, aklass);
11280 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoClass, idepth));
11281 mono_mb_emit_byte (mb, CEE_LDIND_U2);
11282 mono_mb_emit_icon (mb, 1);
11283 mono_mb_emit_byte (mb, CEE_SUB);
11284 mono_mb_emit_icon (mb, sizeof (void*));
11285 mono_mb_emit_byte (mb, CEE_MUL);
11286 mono_mb_emit_byte (mb, CEE_ADD);
11287 mono_mb_emit_byte (mb, CEE_LDIND_I);
11289 mono_mb_emit_ldloc (mb, aklass);
11291 b3 = mono_mb_emit_branch (mb, CEE_BNE_UN);
11293 copy_pos = mono_mb_get_label (mb);
11295 mono_mb_patch_branch (mb, b1);
11296 mono_mb_emit_ldloc (mb, array_slot_addr);
11297 mono_mb_emit_ldarg (mb, 2);
11298 mono_mb_emit_byte (mb, CEE_STIND_REF);
11300 mono_mb_emit_byte (mb, CEE_RET);
11303 mono_mb_patch_branch (mb, b2);
11304 mono_mb_patch_branch (mb, b3);
11306 mono_mb_emit_ldarg (mb, 2);
11307 mono_mb_emit_ldloc (mb, aklass);
11308 mono_mb_emit_icall (mb, mono_object_isinst);
11310 b4 = mono_mb_emit_branch (mb, CEE_BRTRUE);
11311 mono_mb_patch_addr (mb, b4, copy_pos - (b4 + 4));
11312 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
11314 mono_mb_emit_byte (mb, CEE_RET);
11316 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NONE);
11317 ret = mono_mb_create (mb, sig, 4, info);
11324 * mono_marshal_get_gsharedvt_in_wrapper:
11326 * This wrapper handles calls from normal code to gsharedvt code.
11328 * The wrapper info for the wrapper is a WrapperInfo structure.
11331 mono_marshal_get_gsharedvt_in_wrapper (void)
11333 static MonoMethod* ret = NULL;
11334 MonoMethodSignature *sig;
11335 MonoMethodBuilder *mb;
11341 mb = mono_mb_new (mono_defaults.object_class, "gsharedvt_in", MONO_WRAPPER_UNKNOWN);
11343 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
11344 sig->ret = &mono_defaults.void_class->byval_arg;
11346 #ifndef DISABLE_JIT
11348 * The body is generated by the JIT, we use a wrapper instead of a trampoline so EH works.
11350 mono_mb_emit_byte (mb, CEE_RET);
11352 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_GSHAREDVT_IN);
11353 ret = mono_mb_create (mb, sig, 4, info);
11360 * mono_marshal_get_gsharedvt_out_wrapper:
11362 * This wrapper handles calls from gsharedvt code to normal code.
11364 * The wrapper info for the wrapper is a WrapperInfo structure.
11367 mono_marshal_get_gsharedvt_out_wrapper (void)
11369 static MonoMethod* ret = NULL;
11370 MonoMethodSignature *sig;
11371 MonoMethodBuilder *mb;
11377 mb = mono_mb_new (mono_defaults.object_class, "gsharedvt_out", MONO_WRAPPER_UNKNOWN);
11379 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
11380 sig->ret = &mono_defaults.void_class->byval_arg;
11382 #ifndef DISABLE_JIT
11384 * The body is generated by the JIT, we use a wrapper instead of a trampoline so EH works.
11386 mono_mb_emit_byte (mb, CEE_RET);
11388 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_GSHAREDVT_OUT);
11389 ret = mono_mb_create (mb, sig, 4, info);
11398 MonoMethod *method;
11401 /* LOCKING: vars accessed under the marshal lock */
11402 static ArrayElemAddr *elem_addr_cache = NULL;
11403 static int elem_addr_cache_size = 0;
11404 static int elem_addr_cache_next = 0;
11407 * mono_marshal_get_array_address:
11408 * @rank: rank of the array type
11409 * @elem_size: size in bytes of an element of an array.
11411 * Returns a MonoMethd that implements the code to get the address
11412 * of an element in a multi-dimenasional array of @rank dimensions.
11413 * The returned method takes an array as the first argument and then
11414 * @rank indexes for the @rank dimensions.
11417 mono_marshal_get_array_address (int rank, int elem_size)
11420 MonoMethodBuilder *mb;
11421 MonoMethodSignature *sig;
11423 int i, bounds, ind, realidx;
11424 int branch_pos, *branch_positions;
11428 mono_marshal_lock ();
11429 for (i = 0; i < elem_addr_cache_next; ++i) {
11430 if (elem_addr_cache [i].rank == rank && elem_addr_cache [i].elem_size == elem_size) {
11431 ret = elem_addr_cache [i].method;
11435 mono_marshal_unlock ();
11439 branch_positions = g_new0 (int, rank);
11441 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1 + rank);
11443 /* void* address (void* array, int idx0, int idx1, int idx2, ...) */
11444 sig->ret = &mono_defaults.int_class->byval_arg;
11445 sig->params [0] = &mono_defaults.object_class->byval_arg;
11446 for (i = 0; i < rank; ++i) {
11447 sig->params [i + 1] = &mono_defaults.int32_class->byval_arg;
11450 mb = mono_mb_new (mono_defaults.object_class, "ElementAddr", MONO_WRAPPER_MANAGED_TO_MANAGED);
11452 #ifndef DISABLE_JIT
11453 bounds = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
11454 ind = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
11455 realidx = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
11457 /* bounds = array->bounds; */
11458 mono_mb_emit_ldarg (mb, 0);
11459 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoArray, bounds));
11460 mono_mb_emit_byte (mb, CEE_LDIND_I);
11461 mono_mb_emit_stloc (mb, bounds);
11463 /* ind is the overall element index, realidx is the partial index in a single dimension */
11464 /* ind = idx0 - bounds [0].lower_bound */
11465 mono_mb_emit_ldarg (mb, 1);
11466 mono_mb_emit_ldloc (mb, bounds);
11467 mono_mb_emit_icon (mb, MONO_STRUCT_OFFSET (MonoArrayBounds, lower_bound));
11468 mono_mb_emit_byte (mb, CEE_ADD);
11469 mono_mb_emit_byte (mb, CEE_LDIND_I4);
11470 mono_mb_emit_byte (mb, CEE_SUB);
11471 mono_mb_emit_stloc (mb, ind);
11472 /* if (ind >= bounds [0].length) goto exeception; */
11473 mono_mb_emit_ldloc (mb, ind);
11474 mono_mb_emit_ldloc (mb, bounds);
11475 mono_mb_emit_icon (mb, MONO_STRUCT_OFFSET (MonoArrayBounds, length));
11476 mono_mb_emit_byte (mb, CEE_ADD);
11477 mono_mb_emit_byte (mb, CEE_LDIND_I4);
11478 /* note that we use unsigned comparison */
11479 branch_pos = mono_mb_emit_branch (mb, CEE_BGE_UN);
11481 /* For large ranks (> 4?) use a loop n IL later to reduce code size.
11482 * We could also decide to ignore the passed elem_size and get it
11483 * from the array object, to reduce the number of methods we generate:
11484 * the additional cost is 3 memory loads and a non-immediate mul.
11486 for (i = 1; i < rank; ++i) {
11487 /* realidx = idxi - bounds [i].lower_bound */
11488 mono_mb_emit_ldarg (mb, 1 + i);
11489 mono_mb_emit_ldloc (mb, bounds);
11490 mono_mb_emit_icon (mb, (i * sizeof (MonoArrayBounds)) + MONO_STRUCT_OFFSET (MonoArrayBounds, lower_bound));
11491 mono_mb_emit_byte (mb, CEE_ADD);
11492 mono_mb_emit_byte (mb, CEE_LDIND_I4);
11493 mono_mb_emit_byte (mb, CEE_SUB);
11494 mono_mb_emit_stloc (mb, realidx);
11495 /* if (realidx >= bounds [i].length) goto exeception; */
11496 mono_mb_emit_ldloc (mb, realidx);
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 branch_positions [i] = mono_mb_emit_branch (mb, CEE_BGE_UN);
11502 /* ind = ind * bounds [i].length + realidx */
11503 mono_mb_emit_ldloc (mb, ind);
11504 mono_mb_emit_ldloc (mb, bounds);
11505 mono_mb_emit_icon (mb, (i * sizeof (MonoArrayBounds)) + MONO_STRUCT_OFFSET (MonoArrayBounds, length));
11506 mono_mb_emit_byte (mb, CEE_ADD);
11507 mono_mb_emit_byte (mb, CEE_LDIND_I4);
11508 mono_mb_emit_byte (mb, CEE_MUL);
11509 mono_mb_emit_ldloc (mb, realidx);
11510 mono_mb_emit_byte (mb, CEE_ADD);
11511 mono_mb_emit_stloc (mb, ind);
11514 /* return array->vector + ind * element_size */
11515 mono_mb_emit_ldarg (mb, 0);
11516 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoArray, vector));
11517 mono_mb_emit_ldloc (mb, ind);
11518 mono_mb_emit_icon (mb, elem_size);
11519 mono_mb_emit_byte (mb, CEE_MUL);
11520 mono_mb_emit_byte (mb, CEE_ADD);
11521 mono_mb_emit_byte (mb, CEE_RET);
11523 /* patch the branches to get here and throw */
11524 for (i = 1; i < rank; ++i) {
11525 mono_mb_patch_branch (mb, branch_positions [i]);
11527 mono_mb_patch_branch (mb, branch_pos);
11528 /* throw exception */
11529 mono_mb_emit_exception (mb, "IndexOutOfRangeException", NULL);
11531 g_free (branch_positions);
11532 #endif /* DISABLE_JIT */
11534 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_ELEMENT_ADDR);
11535 info->d.element_addr.rank = rank;
11536 info->d.element_addr.elem_size = elem_size;
11537 ret = mono_mb_create (mb, sig, 4, info);
11540 /* cache the result */
11542 mono_marshal_lock ();
11543 for (i = 0; i < elem_addr_cache_next; ++i) {
11544 if (elem_addr_cache [i].rank == rank && elem_addr_cache [i].elem_size == elem_size) {
11545 /* FIXME: free ret */
11546 ret = elem_addr_cache [i].method;
11552 if (elem_addr_cache_next >= elem_addr_cache_size) {
11553 int new_size = elem_addr_cache_size + 4;
11554 ArrayElemAddr *new_array = g_new0 (ArrayElemAddr, new_size);
11555 memcpy (new_array, elem_addr_cache, elem_addr_cache_size * sizeof (ArrayElemAddr));
11556 g_free (elem_addr_cache);
11557 elem_addr_cache = new_array;
11558 elem_addr_cache_size = new_size;
11560 elem_addr_cache [elem_addr_cache_next].rank = rank;
11561 elem_addr_cache [elem_addr_cache_next].elem_size = elem_size;
11562 elem_addr_cache [elem_addr_cache_next].method = ret;
11563 elem_addr_cache_next ++;
11565 mono_marshal_unlock ();
11570 * mono_marshal_get_array_accessor_wrapper:
11572 * Return a wrapper which just calls METHOD, which should be an Array Get/Set/Address method.
11575 mono_marshal_get_array_accessor_wrapper (MonoMethod *method)
11577 MonoMethodSignature *sig;
11578 MonoMethodBuilder *mb;
11582 MonoGenericContext *ctx = NULL;
11583 MonoMethod *orig_method = NULL;
11584 MonoGenericContainer *container = NULL;
11588 * These wrappers are needed to avoid the JIT replacing the calls to these methods with intrinsics
11589 * inside runtime invoke wrappers, thereby making the wrappers not unshareable.
11590 * FIXME: Use generic methods.
11597 g_assert_not_reached ();
11599 cache = get_cache (&method->klass->image->array_accessor_cache, mono_aligned_addr_hash, NULL);
11600 if ((res = mono_marshal_find_in_cache (cache, method)))
11604 sig = signature_dup (method->klass->image, mono_method_signature (method));
11607 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_UNKNOWN);
11609 #ifndef DISABLE_JIT
11610 /* Call the method */
11612 mono_mb_emit_ldarg (mb, 0);
11613 for (i = 0; i < sig->param_count; i++)
11614 mono_mb_emit_ldarg (mb, i + (sig->hasthis == TRUE));
11617 mono_mb_emit_managed_call (mb, mono_class_inflate_generic_method (method, &container->context), NULL);
11619 mono_mb_emit_managed_call (mb, method, NULL);
11620 mono_mb_emit_byte (mb, CEE_RET);
11625 def = mono_mb_create_and_cache (cache, method, mb, sig, sig->param_count + 16);
11626 res = cache_generic_wrapper (cache, orig_method, def, ctx, orig_method);
11628 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_ARRAY_ACCESSOR);
11629 info->d.array_accessor.method = method;
11631 res = mono_mb_create_and_cache_full (cache, method,
11632 mb, sig, sig->param_count + 16,
11641 mono_marshal_alloc (gulong size)
11646 res = CoTaskMemAlloc (size);
11648 res = g_try_malloc ((gulong)size);
11650 mono_gc_out_of_memory ((gulong)size);
11656 mono_marshal_free (gpointer ptr)
11659 CoTaskMemFree (ptr);
11666 mono_marshal_free_array (gpointer *ptr, int size)
11673 for (i = 0; i < size; i++)
11679 mono_marshal_string_to_utf16 (MonoString *s)
11681 return s ? mono_string_chars (s) : NULL;
11685 mono_marshal_string_to_utf16_copy (MonoString *s)
11690 gunichar2 *res = mono_marshal_alloc ((mono_string_length (s) * 2) + 2);
11691 memcpy (res, mono_string_chars (s), mono_string_length (s) * 2);
11692 res [mono_string_length (s)] = 0;
11698 * mono_marshal_set_last_error:
11700 * This function is invoked to set the last error value from a P/Invoke call
11701 * which has SetLastError set.
11704 mono_marshal_set_last_error (void)
11707 mono_native_tls_set_value (last_error_tls_id, GINT_TO_POINTER (GetLastError ()));
11709 mono_native_tls_set_value (last_error_tls_id, GINT_TO_POINTER (errno));
11714 mono_marshal_set_last_error_windows (int error)
11717 mono_native_tls_set_value (last_error_tls_id, GINT_TO_POINTER (error));
11722 ves_icall_System_Runtime_InteropServices_Marshal_copy_to_unmanaged (MonoArray *src, gint32 start_index,
11723 gpointer dest, gint32 length)
11728 MONO_ARCH_SAVE_REGS;
11730 MONO_CHECK_ARG_NULL (src);
11731 MONO_CHECK_ARG_NULL (dest);
11733 if (src->obj.vtable->klass->rank != 1)
11734 mono_raise_exception (mono_get_exception_argument ("array", "array is multi-dimensional"));
11735 if (start_index < 0)
11736 mono_raise_exception (mono_get_exception_argument ("startIndex", "Must be >= 0"));
11738 mono_raise_exception (mono_get_exception_argument ("length", "Must be >= 0"));
11739 if (start_index + length > mono_array_length (src))
11740 mono_raise_exception (mono_get_exception_argument ("length", "start_index + length > array length"));
11742 element_size = mono_array_element_size (src->obj.vtable->klass);
11744 /* no references should be involved */
11745 source_addr = mono_array_addr_with_size_fast (src, element_size, start_index);
11747 memcpy (dest, source_addr, length * element_size);
11751 ves_icall_System_Runtime_InteropServices_Marshal_copy_from_unmanaged (gpointer src, gint32 start_index,
11752 MonoArray *dest, gint32 length)
11757 MONO_ARCH_SAVE_REGS;
11759 MONO_CHECK_ARG_NULL (src);
11760 MONO_CHECK_ARG_NULL (dest);
11762 if (dest->obj.vtable->klass->rank != 1)
11763 mono_raise_exception (mono_get_exception_argument ("array", "array is multi-dimensional"));
11764 if (start_index < 0)
11765 mono_raise_exception (mono_get_exception_argument ("startIndex", "Must be >= 0"));
11767 mono_raise_exception (mono_get_exception_argument ("length", "Must be >= 0"));
11768 if (start_index + length > mono_array_length (dest))
11769 mono_raise_exception (mono_get_exception_argument ("length", "start_index + length > array length"));
11771 element_size = mono_array_element_size (dest->obj.vtable->klass);
11773 /* no references should be involved */
11774 dest_addr = mono_array_addr_with_size_fast (dest, element_size, start_index);
11776 memcpy (dest_addr, src, length * element_size);
11780 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringAnsi (char *ptr)
11782 MONO_ARCH_SAVE_REGS;
11787 return mono_string_new (mono_domain_get (), ptr);
11791 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringAnsi_len (char *ptr, gint32 len)
11793 MONO_ARCH_SAVE_REGS;
11796 mono_raise_exception (mono_get_exception_argument_null ("ptr"));
11797 g_assert_not_reached ();
11800 return mono_string_new_len (mono_domain_get (), ptr, len);
11805 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringUni (guint16 *ptr)
11807 MonoDomain *domain = mono_domain_get ();
11811 MONO_ARCH_SAVE_REGS;
11819 return mono_string_new_utf16 (domain, ptr, len);
11823 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringUni_len (guint16 *ptr, gint32 len)
11825 MonoDomain *domain = mono_domain_get ();
11827 MONO_ARCH_SAVE_REGS;
11830 mono_raise_exception (mono_get_exception_argument_null ("ptr"));
11831 g_assert_not_reached ();
11834 return mono_string_new_utf16 (domain, ptr, len);
11839 ves_icall_System_Runtime_InteropServices_Marshal_GetLastWin32Error (void)
11841 MONO_ARCH_SAVE_REGS;
11843 return (GPOINTER_TO_INT (mono_native_tls_get_value (last_error_tls_id)));
11847 ves_icall_System_Runtime_InteropServices_Marshal_SizeOf (MonoReflectionType *rtype)
11853 MONO_ARCH_SAVE_REGS;
11855 MONO_CHECK_ARG_NULL (rtype);
11857 type = rtype->type;
11858 klass = mono_class_from_mono_type (type);
11859 if (!mono_class_init (klass))
11860 mono_raise_exception (mono_class_get_exception_for_failure (klass));
11862 layout = (klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK);
11864 if (type->type == MONO_TYPE_PTR || type->type == MONO_TYPE_FNPTR) {
11865 return sizeof (gpointer);
11866 } else if (layout == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
11868 MonoException *exc;
11870 msg = g_strdup_printf ("Type %s cannot be marshaled as an unmanaged structure.", klass->name);
11871 exc = mono_get_exception_argument ("t", msg);
11873 mono_raise_exception (exc);
11877 return mono_class_native_size (klass, NULL);
11881 ves_icall_System_Runtime_InteropServices_Marshal_StructureToPtr (MonoObject *obj, gpointer dst, MonoBoolean delete_old)
11883 MonoMethod *method;
11886 MONO_ARCH_SAVE_REGS;
11888 MONO_CHECK_ARG_NULL (obj);
11889 MONO_CHECK_ARG_NULL (dst);
11891 method = mono_marshal_get_struct_to_ptr (obj->vtable->klass);
11895 pa [2] = &delete_old;
11897 mono_runtime_invoke (method, NULL, pa, NULL);
11901 ptr_to_structure (gpointer src, MonoObject *dst)
11903 MonoMethod *method;
11906 method = mono_marshal_get_ptr_to_struct (dst->vtable->klass);
11911 mono_runtime_invoke (method, NULL, pa, NULL);
11915 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure (gpointer src, MonoObject *dst)
11919 MONO_ARCH_SAVE_REGS;
11921 MONO_CHECK_ARG_NULL (src);
11922 MONO_CHECK_ARG_NULL (dst);
11924 t = mono_type_get_underlying_type (mono_class_get_type (dst->vtable->klass));
11926 if (t->type == MONO_TYPE_VALUETYPE) {
11927 MonoException *exc;
11930 tmp = g_strdup_printf ("Destination is a boxed value type.");
11931 exc = mono_get_exception_argument ("dst", tmp);
11934 mono_raise_exception (exc);
11938 ptr_to_structure (src, dst);
11942 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure_type (gpointer src, MonoReflectionType *type)
11945 MonoDomain *domain = mono_domain_get ();
11948 MONO_ARCH_SAVE_REGS;
11952 MONO_CHECK_ARG_NULL (type);
11954 klass = mono_class_from_mono_type (type->type);
11955 if (!mono_class_init (klass))
11956 mono_raise_exception (mono_class_get_exception_for_failure (klass));
11958 res = mono_object_new (domain, klass);
11960 ptr_to_structure (src, res);
11966 ves_icall_System_Runtime_InteropServices_Marshal_OffsetOf (MonoReflectionType *type, MonoString *field_name)
11968 MonoMarshalType *info;
11971 int match_index = -1;
11973 MONO_ARCH_SAVE_REGS;
11975 MONO_CHECK_ARG_NULL (type);
11976 MONO_CHECK_ARG_NULL (field_name);
11978 fname = mono_string_to_utf8 (field_name);
11979 klass = mono_class_from_mono_type (type->type);
11980 if (!mono_class_init (klass))
11981 mono_raise_exception (mono_class_get_exception_for_failure (klass));
11983 while (klass && match_index == -1) {
11984 MonoClassField* field;
11986 gpointer iter = NULL;
11987 while ((field = mono_class_get_fields (klass, &iter))) {
11988 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
11990 if (!strcmp (fname, mono_field_get_name (field))) {
11997 if (match_index == -1)
11998 klass = klass->parent;
12003 if(match_index == -1) {
12004 MonoException* exc;
12007 /* Get back original class instance */
12008 klass = mono_class_from_mono_type (type->type);
12010 tmp = g_strdup_printf ("Field passed in is not a marshaled member of the type %s", klass->name);
12011 exc = mono_get_exception_argument ("fieldName", tmp);
12014 mono_raise_exception ((MonoException*)exc);
12017 info = mono_marshal_load_type_info (klass);
12018 return info->fields [match_index].offset;
12022 ves_icall_System_Runtime_InteropServices_Marshal_StringToHGlobalAnsi (MonoString *string)
12027 tres = mono_string_to_utf8 (string);
12031 len = strlen (tres) + 1;
12032 ret = ves_icall_System_Runtime_InteropServices_Marshal_AllocHGlobal (len);
12033 memcpy (ret, tres, len);
12038 return mono_string_to_utf8 (string);
12043 ves_icall_System_Runtime_InteropServices_Marshal_StringToHGlobalUni (MonoString *string)
12045 MONO_ARCH_SAVE_REGS;
12047 if (string == NULL)
12050 #ifdef TARGET_WIN32
12051 gunichar2 *res = ves_icall_System_Runtime_InteropServices_Marshal_AllocHGlobal
12052 ((mono_string_length (string) + 1) * 2);
12054 gunichar2 *res = g_malloc ((mono_string_length (string) + 1) * 2);
12056 memcpy (res, mono_string_chars (string), mono_string_length (string) * 2);
12057 res [mono_string_length (string)] = 0;
12063 mono_struct_delete_old (MonoClass *klass, char *ptr)
12065 MonoMarshalType *info;
12068 info = mono_marshal_load_type_info (klass);
12070 for (i = 0; i < info->num_fields; i++) {
12071 MonoMarshalNative ntype;
12072 MonoMarshalConv conv;
12073 MonoType *ftype = info->fields [i].field->type;
12076 if (ftype->attrs & FIELD_ATTRIBUTE_STATIC)
12079 ntype = mono_type_to_unmanaged (ftype, info->fields [i].mspec, TRUE,
12080 klass->unicode, &conv);
12082 cpos = ptr + info->fields [i].offset;
12085 case MONO_MARSHAL_CONV_NONE:
12086 if (MONO_TYPE_ISSTRUCT (ftype)) {
12087 mono_struct_delete_old (ftype->data.klass, cpos);
12091 case MONO_MARSHAL_CONV_STR_LPWSTR:
12092 /* We assume this field points inside a MonoString */
12094 case MONO_MARSHAL_CONV_STR_LPTSTR:
12095 #ifdef TARGET_WIN32
12096 /* We assume this field points inside a MonoString
12100 case MONO_MARSHAL_CONV_STR_LPSTR:
12101 case MONO_MARSHAL_CONV_STR_BSTR:
12102 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
12103 case MONO_MARSHAL_CONV_STR_TBSTR:
12104 mono_marshal_free (*(gpointer *)cpos);
12114 ves_icall_System_Runtime_InteropServices_Marshal_DestroyStructure (gpointer src, MonoReflectionType *type)
12118 MONO_ARCH_SAVE_REGS;
12120 MONO_CHECK_ARG_NULL (src);
12121 MONO_CHECK_ARG_NULL (type);
12123 klass = mono_class_from_mono_type (type->type);
12124 if (!mono_class_init (klass))
12125 mono_raise_exception (mono_class_get_exception_for_failure (klass));
12127 mono_struct_delete_old (klass, (char *)src);
12131 ves_icall_System_Runtime_InteropServices_Marshal_AllocHGlobal (int size)
12135 MONO_ARCH_SAVE_REGS;
12137 if ((gulong)size == 0)
12138 /* This returns a valid pointer for size 0 on MS.NET */
12142 res = GlobalAlloc (GMEM_FIXED, (gulong)size);
12144 res = g_try_malloc ((gulong)size);
12147 mono_gc_out_of_memory ((gulong)size);
12153 ves_icall_System_Runtime_InteropServices_Marshal_ReAllocHGlobal (gpointer ptr, int size)
12158 mono_gc_out_of_memory ((gulong)size);
12163 res = GlobalReAlloc (ptr, (gulong)size, GMEM_MOVEABLE);
12165 res = g_try_realloc (ptr, (gulong)size);
12168 mono_gc_out_of_memory ((gulong)size);
12174 ves_icall_System_Runtime_InteropServices_Marshal_FreeHGlobal (void *ptr)
12176 MONO_ARCH_SAVE_REGS;
12186 ves_icall_System_Runtime_InteropServices_Marshal_AllocCoTaskMem (int size)
12188 MONO_ARCH_SAVE_REGS;
12191 return CoTaskMemAlloc (size);
12193 return g_try_malloc ((gulong)size);
12198 ves_icall_System_Runtime_InteropServices_Marshal_FreeCoTaskMem (void *ptr)
12200 MONO_ARCH_SAVE_REGS;
12203 CoTaskMemFree (ptr);
12210 ves_icall_System_Runtime_InteropServices_Marshal_ReAllocCoTaskMem (gpointer ptr, int size)
12212 MONO_ARCH_SAVE_REGS;
12215 return CoTaskMemRealloc (ptr, size);
12217 return g_try_realloc (ptr, (gulong)size);
12222 ves_icall_System_Runtime_InteropServices_Marshal_UnsafeAddrOfPinnedArrayElement (MonoArray *arrayobj, int index)
12224 return mono_array_addr_with_size_fast (arrayobj, mono_array_element_size (arrayobj->obj.vtable->klass), index);
12228 ves_icall_System_Runtime_InteropServices_Marshal_GetDelegateForFunctionPointerInternal (void *ftn, MonoReflectionType *type)
12230 MonoClass *klass = mono_type_get_class (type->type);
12231 if (!mono_class_init (klass))
12232 mono_raise_exception (mono_class_get_exception_for_failure (klass));
12234 return mono_ftnptr_to_delegate (klass, ftn);
12238 * mono_marshal_is_loading_type_info:
12240 * Return whenever mono_marshal_load_type_info () is being executed for KLASS by this
12244 mono_marshal_is_loading_type_info (MonoClass *klass)
12246 GSList *loads_list = mono_native_tls_get_value (load_type_info_tls_id);
12248 return g_slist_find (loads_list, klass) != NULL;
12252 * mono_marshal_load_type_info:
12254 * Initialize klass->marshal_info using information from metadata. This function can
12255 * recursively call itself, and the caller is responsible to avoid that by calling
12256 * mono_marshal_is_loading_type_info () beforehand.
12258 * LOCKING: Acquires the loader lock.
12261 mono_marshal_load_type_info (MonoClass* klass)
12264 guint32 native_size = 0, min_align = 1, packing;
12265 MonoMarshalType *info;
12266 MonoClassField* field;
12269 GSList *loads_list;
12271 g_assert (klass != NULL);
12273 if (klass->marshal_info)
12274 return klass->marshal_info;
12276 if (!klass->inited)
12277 mono_class_init (klass);
12279 if (klass->marshal_info)
12280 return klass->marshal_info;
12283 * This function can recursively call itself, so we keep the list of classes which are
12284 * under initialization in a TLS list.
12286 g_assert (!mono_marshal_is_loading_type_info (klass));
12287 loads_list = mono_native_tls_get_value (load_type_info_tls_id);
12288 loads_list = g_slist_prepend (loads_list, klass);
12289 mono_native_tls_set_value (load_type_info_tls_id, loads_list);
12292 while ((field = mono_class_get_fields (klass, &iter))) {
12293 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
12295 if (mono_field_is_deleted (field))
12300 layout = klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK;
12302 /* The mempool is protected by the loader lock */
12303 info = mono_image_alloc0 (klass->image, MONO_SIZEOF_MARSHAL_TYPE + sizeof (MonoMarshalField) * count);
12304 info->num_fields = count;
12306 /* Try to find a size for this type in metadata */
12307 mono_metadata_packing_from_typedef (klass->image, klass->type_token, NULL, &native_size);
12309 if (klass->parent) {
12310 int parent_size = mono_class_native_size (klass->parent, NULL);
12312 /* Add parent size to real size */
12313 native_size += parent_size;
12314 info->native_size = parent_size;
12317 packing = klass->packing_size ? klass->packing_size : 8;
12320 while ((field = mono_class_get_fields (klass, &iter))) {
12324 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
12327 if (mono_field_is_deleted (field))
12329 if (field->type->attrs & FIELD_ATTRIBUTE_HAS_FIELD_MARSHAL)
12330 mono_metadata_field_info_with_mempool (klass->image, mono_metadata_token_index (mono_class_get_field_token (field)) - 1,
12331 NULL, NULL, &info->fields [j].mspec);
12333 info->fields [j].field = field;
12335 if ((mono_class_num_fields (klass) == 1) && (klass->instance_size == sizeof (MonoObject)) &&
12336 (strcmp (mono_field_get_name (field), "$PRIVATE$") == 0)) {
12337 /* This field is a hack inserted by MCS to empty structures */
12342 case TYPE_ATTRIBUTE_AUTO_LAYOUT:
12343 case TYPE_ATTRIBUTE_SEQUENTIAL_LAYOUT:
12344 size = mono_marshal_type_size (field->type, info->fields [j].mspec,
12345 &align, TRUE, klass->unicode);
12346 align = klass->packing_size ? MIN (klass->packing_size, align): align;
12347 min_align = MAX (align, min_align);
12348 info->fields [j].offset = info->native_size;
12349 info->fields [j].offset += align - 1;
12350 info->fields [j].offset &= ~(align - 1);
12351 info->native_size = info->fields [j].offset + size;
12353 case TYPE_ATTRIBUTE_EXPLICIT_LAYOUT:
12354 size = mono_marshal_type_size (field->type, info->fields [j].mspec,
12355 &align, TRUE, klass->unicode);
12356 min_align = MAX (align, min_align);
12357 info->fields [j].offset = field->offset - sizeof (MonoObject);
12358 info->native_size = MAX (info->native_size, info->fields [j].offset + size);
12364 if (layout != TYPE_ATTRIBUTE_AUTO_LAYOUT) {
12365 info->native_size = MAX (native_size, info->native_size);
12367 * If the provided Size is equal or larger than the calculated size, and there
12368 * was no Pack attribute, we set min_align to 1 to avoid native_size being increased
12370 if (layout == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) {
12371 if (native_size && native_size == info->native_size && klass->packing_size == 0)
12374 min_align = MIN (min_align, packing);
12378 if (info->native_size & (min_align - 1)) {
12379 info->native_size += min_align - 1;
12380 info->native_size &= ~(min_align - 1);
12383 info->min_align = min_align;
12385 /* Update the class's blittable info, if the layouts don't match */
12386 if (info->native_size != mono_class_value_size (klass, NULL))
12387 klass->blittable = FALSE;
12389 /* If this is an array type, ensure that we have element info */
12390 if (klass->rank && !mono_marshal_is_loading_type_info (klass->element_class)) {
12391 mono_marshal_load_type_info (klass->element_class);
12394 loads_list = mono_native_tls_get_value (load_type_info_tls_id);
12395 loads_list = g_slist_remove (loads_list, klass);
12396 mono_native_tls_set_value (load_type_info_tls_id, loads_list);
12398 mono_marshal_lock ();
12399 if (!klass->marshal_info) {
12400 /*We do double-checking locking on marshal_info */
12401 mono_memory_barrier ();
12402 klass->marshal_info = info;
12404 mono_marshal_unlock ();
12406 return klass->marshal_info;
12410 * mono_class_native_size:
12413 * Returns: the native size of an object instance (when marshaled
12414 * to unmanaged code)
12417 mono_class_native_size (MonoClass *klass, guint32 *align)
12419 if (!klass->marshal_info) {
12420 if (mono_marshal_is_loading_type_info (klass)) {
12425 mono_marshal_load_type_info (klass);
12430 *align = klass->marshal_info->min_align;
12432 return klass->marshal_info->native_size;
12436 * mono_type_native_stack_size:
12437 * @t: the type to return the size it uses on the stack
12439 * Returns: the number of bytes required to hold an instance of this
12440 * type on the native stack
12443 mono_type_native_stack_size (MonoType *t, guint32 *align)
12447 g_assert (t != NULL);
12453 *align = sizeof (gpointer);
12454 return sizeof (gpointer);
12458 case MONO_TYPE_BOOLEAN:
12459 case MONO_TYPE_CHAR:
12470 case MONO_TYPE_STRING:
12471 case MONO_TYPE_OBJECT:
12472 case MONO_TYPE_CLASS:
12473 case MONO_TYPE_SZARRAY:
12474 case MONO_TYPE_PTR:
12475 case MONO_TYPE_FNPTR:
12476 case MONO_TYPE_ARRAY:
12477 *align = sizeof (gpointer);
12478 return sizeof (gpointer);
12483 *align = MONO_ABI_ALIGNOF (double);
12487 *align = MONO_ABI_ALIGNOF (gint64);
12489 case MONO_TYPE_GENERICINST:
12490 if (!mono_type_generic_inst_is_valuetype (t)) {
12491 *align = sizeof (gpointer);
12492 return sizeof (gpointer);
12495 case MONO_TYPE_TYPEDBYREF:
12496 case MONO_TYPE_VALUETYPE: {
12498 MonoClass *klass = mono_class_from_mono_type (t);
12500 if (klass->enumtype)
12501 return mono_type_native_stack_size (mono_class_enum_basetype (klass), align);
12503 size = mono_class_native_size (klass, align);
12504 *align = *align + 3;
12514 g_error ("type 0x%02x unknown", t->type);
12520 mono_marshal_type_size (MonoType *type, MonoMarshalSpec *mspec, guint32 *align,
12521 gboolean as_field, gboolean unicode)
12523 MonoMarshalNative native_type = mono_type_to_unmanaged (type, mspec, as_field, unicode, NULL);
12526 switch (native_type) {
12527 case MONO_NATIVE_BOOLEAN:
12530 case MONO_NATIVE_I1:
12531 case MONO_NATIVE_U1:
12534 case MONO_NATIVE_I2:
12535 case MONO_NATIVE_U2:
12536 case MONO_NATIVE_VARIANTBOOL:
12539 case MONO_NATIVE_I4:
12540 case MONO_NATIVE_U4:
12541 case MONO_NATIVE_ERROR:
12544 case MONO_NATIVE_I8:
12545 case MONO_NATIVE_U8:
12546 *align = MONO_ABI_ALIGNOF (gint64);
12548 case MONO_NATIVE_R4:
12551 case MONO_NATIVE_R8:
12552 *align = MONO_ABI_ALIGNOF (double);
12554 case MONO_NATIVE_INT:
12555 case MONO_NATIVE_UINT:
12556 case MONO_NATIVE_LPSTR:
12557 case MONO_NATIVE_LPWSTR:
12558 case MONO_NATIVE_LPTSTR:
12559 case MONO_NATIVE_BSTR:
12560 case MONO_NATIVE_ANSIBSTR:
12561 case MONO_NATIVE_TBSTR:
12562 case MONO_NATIVE_LPARRAY:
12563 case MONO_NATIVE_SAFEARRAY:
12564 case MONO_NATIVE_IUNKNOWN:
12565 case MONO_NATIVE_IDISPATCH:
12566 case MONO_NATIVE_INTERFACE:
12567 case MONO_NATIVE_ASANY:
12568 case MONO_NATIVE_FUNC:
12569 case MONO_NATIVE_LPSTRUCT:
12570 *align = MONO_ABI_ALIGNOF (gpointer);
12571 return sizeof (gpointer);
12572 case MONO_NATIVE_STRUCT:
12573 klass = mono_class_from_mono_type (type);
12574 if (klass == mono_defaults.object_class &&
12575 (mspec && mspec->native == MONO_NATIVE_STRUCT)) {
12579 return mono_class_native_size (klass, align);
12580 case MONO_NATIVE_BYVALTSTR: {
12581 int esize = unicode ? 2: 1;
12584 return mspec->data.array_data.num_elem * esize;
12586 case MONO_NATIVE_BYVALARRAY: {
12587 // FIXME: Have to consider ArraySubType
12589 klass = mono_class_from_mono_type (type);
12590 if (klass->element_class == mono_defaults.char_class) {
12591 esize = unicode ? 2 : 1;
12594 esize = mono_class_native_size (klass->element_class, align);
12597 return mspec->data.array_data.num_elem * esize;
12599 case MONO_NATIVE_CUSTOM:
12600 *align = sizeof (gpointer);
12601 return sizeof (gpointer);
12603 case MONO_NATIVE_CURRENCY:
12604 case MONO_NATIVE_VBBYREFSTR:
12606 g_error ("native type %02x not implemented", native_type);
12609 g_assert_not_reached ();
12614 mono_marshal_asany (MonoObject *o, MonoMarshalNative string_encoding, int param_attrs)
12622 t = &o->vtable->klass->byval_arg;
12626 case MONO_TYPE_PTR:
12629 case MONO_TYPE_BOOLEAN:
12632 case MONO_TYPE_CHAR:
12637 return mono_object_unbox (o);
12639 case MONO_TYPE_STRING:
12640 switch (string_encoding) {
12641 case MONO_NATIVE_LPWSTR:
12642 return mono_marshal_string_to_utf16_copy ((MonoString*)o);
12644 case MONO_NATIVE_LPSTR:
12645 return mono_string_to_lpstr ((MonoString*)o);
12648 g_warning ("marshaling conversion %d not implemented", string_encoding);
12649 g_assert_not_reached ();
12652 case MONO_TYPE_CLASS:
12653 case MONO_TYPE_VALUETYPE: {
12654 MonoMethod *method;
12657 MonoBoolean delete_old = FALSE;
12659 klass = t->data.klass;
12661 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT)
12664 if (klass->valuetype && (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
12665 klass->blittable || klass->enumtype))
12666 return mono_object_unbox (o);
12668 res = mono_marshal_alloc (mono_class_native_size (klass, NULL));
12670 if (!((param_attrs & PARAM_ATTRIBUTE_OUT) && !(param_attrs & PARAM_ATTRIBUTE_IN))) {
12671 method = mono_marshal_get_struct_to_ptr (o->vtable->klass);
12675 pa [2] = &delete_old;
12677 mono_runtime_invoke (method, NULL, pa, NULL);
12684 mono_raise_exception (mono_get_exception_argument ("", "No PInvoke conversion exists for value passed to Object-typed parameter."));
12690 mono_marshal_free_asany (MonoObject *o, gpointer ptr, MonoMarshalNative string_encoding, int param_attrs)
12698 t = &o->vtable->klass->byval_arg;
12700 case MONO_TYPE_STRING:
12701 switch (string_encoding) {
12702 case MONO_NATIVE_LPWSTR:
12703 case MONO_NATIVE_LPSTR:
12704 mono_marshal_free (ptr);
12707 g_warning ("marshaling conversion %d not implemented", string_encoding);
12708 g_assert_not_reached ();
12711 case MONO_TYPE_CLASS:
12712 case MONO_TYPE_VALUETYPE: {
12713 klass = t->data.klass;
12715 if (klass->valuetype && (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
12716 klass->blittable || klass->enumtype))
12719 if (param_attrs & PARAM_ATTRIBUTE_OUT) {
12720 MonoMethod *method = mono_marshal_get_ptr_to_struct (o->vtable->klass);
12726 mono_runtime_invoke (method, NULL, pa, NULL);
12729 if (!((param_attrs & PARAM_ATTRIBUTE_OUT) && !(param_attrs & PARAM_ATTRIBUTE_IN))) {
12730 mono_struct_delete_old (klass, ptr);
12733 mono_marshal_free (ptr);
12742 mono_marshal_get_generic_array_helper (MonoClass *class, MonoClass *iface, gchar *name, MonoMethod *method)
12744 MonoMethodSignature *sig, *csig;
12745 MonoMethodBuilder *mb;
12750 mb = mono_mb_new_no_dup_name (class, name, MONO_WRAPPER_MANAGED_TO_MANAGED);
12751 mb->method->slot = -1;
12753 mb->method->flags = METHOD_ATTRIBUTE_PRIVATE | METHOD_ATTRIBUTE_VIRTUAL |
12754 METHOD_ATTRIBUTE_NEW_SLOT | METHOD_ATTRIBUTE_HIDE_BY_SIG | METHOD_ATTRIBUTE_FINAL;
12756 sig = mono_method_signature (method);
12757 csig = signature_dup (method->klass->image, sig);
12758 csig->generic_param_count = 0;
12760 #ifndef DISABLE_JIT
12761 mono_mb_emit_ldarg (mb, 0);
12762 for (i = 0; i < csig->param_count; i++)
12763 mono_mb_emit_ldarg (mb, i + 1);
12764 mono_mb_emit_managed_call (mb, method, NULL);
12765 mono_mb_emit_byte (mb, CEE_RET);
12767 /* We can corlib internal methods */
12768 mb->skip_visibility = TRUE;
12770 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_GENERIC_ARRAY_HELPER);
12771 info->d.generic_array_helper.method = method;
12772 res = mono_mb_create (mb, csig, csig->param_count + 16, info);
12780 * The mono_win32_compat_* functions are implementations of inline
12781 * Windows kernel32 APIs, which are DllImport-able under MS.NET,
12782 * although not exported by kernel32.
12784 * We map the appropiate kernel32 entries to these functions using
12785 * dllmaps declared in the global etc/mono/config.
12789 mono_win32_compat_CopyMemory (gpointer dest, gconstpointer source, gsize length)
12791 if (!dest || !source)
12794 memcpy (dest, source, length);
12798 mono_win32_compat_FillMemory (gpointer dest, gsize length, guchar fill)
12800 memset (dest, fill, length);
12804 mono_win32_compat_MoveMemory (gpointer dest, gconstpointer source, gsize length)
12806 if (!dest || !source)
12809 memmove (dest, source, length);
12813 mono_win32_compat_ZeroMemory (gpointer dest, gsize length)
12815 memset (dest, 0, length);
12819 mono_marshal_find_nonzero_bit_offset (guint8 *buf, int len, int *byte_offset, guint8 *bitmask)
12824 for (i = 0; i < len; ++i)
12828 g_assert (i < len);
12831 while (byte && !(byte & 1))
12833 g_assert (byte == 1);
12836 *bitmask = buf [i];
12840 mono_marshal_get_thunk_invoke_wrapper (MonoMethod *method)
12842 MonoMethodBuilder *mb;
12843 MonoMethodSignature *sig, *csig;
12844 MonoExceptionClause *clause;
12849 int i, param_count, sig_size, pos_leave;
12853 klass = method->klass;
12854 image = method->klass->image;
12855 cache = get_cache (&image->thunk_invoke_cache, mono_aligned_addr_hash, NULL);
12857 if ((res = mono_marshal_find_in_cache (cache, method)))
12860 sig = mono_method_signature (method);
12861 mb = mono_mb_new (klass, method->name, MONO_WRAPPER_NATIVE_TO_MANAGED);
12863 /* add "this" and exception param */
12864 param_count = sig->param_count + sig->hasthis + 1;
12866 /* dup & extend signature */
12867 csig = mono_metadata_signature_alloc (image, param_count);
12868 sig_size = MONO_SIZEOF_METHOD_SIGNATURE + sig->param_count * sizeof (MonoType *);
12869 memcpy (csig, sig, sig_size);
12870 csig->param_count = param_count;
12873 csig->call_convention = MONO_CALL_DEFAULT;
12875 if (sig->hasthis) {
12877 csig->params [0] = &klass->byval_arg;
12878 /* move params up by one */
12879 for (i = 0; i < sig->param_count; i++)
12880 csig->params [i + 1] = sig->params [i];
12883 /* setup exception param as byref+[out] */
12884 csig->params [param_count - 1] = mono_metadata_type_dup (image,
12885 &mono_defaults.exception_class->byval_arg);
12886 csig->params [param_count - 1]->byref = 1;
12887 csig->params [param_count - 1]->attrs = PARAM_ATTRIBUTE_OUT;
12889 /* convert struct return to object */
12890 if (MONO_TYPE_ISSTRUCT (sig->ret))
12891 csig->ret = &mono_defaults.object_class->byval_arg;
12893 #ifndef DISABLE_JIT
12894 /* local 0 (temp for exception object) */
12895 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
12897 /* local 1 (temp for result) */
12898 if (!MONO_TYPE_IS_VOID (sig->ret))
12899 mono_mb_add_local (mb, sig->ret);
12901 /* clear exception arg */
12902 mono_mb_emit_ldarg (mb, param_count - 1);
12903 mono_mb_emit_byte (mb, CEE_LDNULL);
12904 mono_mb_emit_byte (mb, CEE_STIND_REF);
12907 clause = mono_image_alloc0 (image, sizeof (MonoExceptionClause));
12908 clause->try_offset = mono_mb_get_label (mb);
12910 /* push method's args */
12911 for (i = 0; i < param_count - 1; i++) {
12915 mono_mb_emit_ldarg (mb, i);
12917 /* get the byval type of the param */
12918 klass = mono_class_from_mono_type (csig->params [i]);
12919 type = &klass->byval_arg;
12921 /* unbox struct args */
12922 if (MONO_TYPE_ISSTRUCT (type)) {
12923 mono_mb_emit_op (mb, CEE_UNBOX, klass);
12925 /* byref args & and the "this" arg must remain a ptr.
12926 Otherwise make a copy of the value type */
12927 if (!(csig->params [i]->byref || (i == 0 && sig->hasthis)))
12928 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
12930 csig->params [i] = &mono_defaults.object_class->byval_arg;
12935 if (method->flags & METHOD_ATTRIBUTE_VIRTUAL)
12936 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
12938 mono_mb_emit_op (mb, CEE_CALL, method);
12940 /* save result at local 1 */
12941 if (!MONO_TYPE_IS_VOID (sig->ret))
12942 mono_mb_emit_stloc (mb, 1);
12944 pos_leave = mono_mb_emit_branch (mb, CEE_LEAVE);
12947 clause->flags = MONO_EXCEPTION_CLAUSE_NONE;
12948 clause->try_len = mono_mb_get_pos (mb) - clause->try_offset;
12949 clause->data.catch_class = mono_defaults.object_class;
12951 clause->handler_offset = mono_mb_get_label (mb);
12953 /* store exception at local 0 */
12954 mono_mb_emit_stloc (mb, 0);
12955 mono_mb_emit_ldarg (mb, param_count - 1);
12956 mono_mb_emit_ldloc (mb, 0);
12957 mono_mb_emit_byte (mb, CEE_STIND_REF);
12958 mono_mb_emit_branch (mb, CEE_LEAVE);
12960 clause->handler_len = mono_mb_get_pos (mb) - clause->handler_offset;
12962 mono_mb_set_clauses (mb, 1, clause);
12964 mono_mb_patch_branch (mb, pos_leave);
12967 if (!MONO_TYPE_IS_VOID (sig->ret)) {
12968 mono_mb_emit_ldloc (mb, 1);
12970 /* box the return value */
12971 if (MONO_TYPE_ISSTRUCT (sig->ret))
12972 mono_mb_emit_op (mb, CEE_BOX, mono_class_from_mono_type (sig->ret));
12975 mono_mb_emit_byte (mb, CEE_RET);
12978 res = mono_mb_create_and_cache (cache, method, mb, csig, param_count + 16);
12985 * mono_marshal_free_dynamic_wrappers:
12987 * Free wrappers of the dynamic method METHOD.
12990 mono_marshal_free_dynamic_wrappers (MonoMethod *method)
12992 MonoImage *image = method->klass->image;
12994 g_assert (method_is_dynamic (method));
12996 /* This could be called during shutdown */
12997 if (marshal_mutex_initialized)
12998 mono_marshal_lock ();
13000 * FIXME: We currently leak the wrappers. Freeing them would be tricky as
13001 * they could be shared with other methods ?
13003 if (image->runtime_invoke_direct_cache)
13004 g_hash_table_remove (image->runtime_invoke_direct_cache, method);
13005 if (image->delegate_abstract_invoke_cache)
13006 g_hash_table_foreach_remove (image->delegate_abstract_invoke_cache, signature_method_pair_matches_method, method);
13007 // FIXME: Need to clear the caches in other images as well
13008 if (image->delegate_bound_static_invoke_cache)
13009 g_hash_table_remove (image->delegate_bound_static_invoke_cache, mono_method_signature (method));
13011 if (marshal_mutex_initialized)
13012 mono_marshal_unlock ();
13016 signature_method_pair_matches_signature (gpointer key, gpointer value, gpointer user_data)
13018 SignatureMethodPair *pair = (SignatureMethodPair*)key;
13019 MonoMethodSignature *sig = (MonoMethodSignature*)user_data;
13021 return mono_metadata_signature_equal (pair->sig, sig);
13025 * mono_marshal_free_inflated_wrappers:
13027 * Free wrappers of the inflated method METHOD.
13030 mono_marshal_free_inflated_wrappers (MonoMethod *method)
13032 MonoMethodSignature *sig = method->signature;
13034 g_assert (method->is_inflated);
13036 /* Ignore calls occuring late during cleanup. */
13037 if (!marshal_mutex_initialized)
13040 mono_marshal_lock ();
13042 * FIXME: We currently leak the wrappers. Freeing them would be tricky as
13043 * they could be shared with other methods ?
13047 * indexed by MonoMethodSignature
13049 /* FIXME: This could remove unrelated wrappers as well */
13050 if (sig && method->klass->image->delegate_begin_invoke_cache)
13051 g_hash_table_remove (method->klass->image->delegate_begin_invoke_cache, sig);
13052 if (sig && method->klass->image->delegate_end_invoke_cache)
13053 g_hash_table_remove (method->klass->image->delegate_end_invoke_cache, sig);
13054 if (sig && method->klass->image->delegate_invoke_cache)
13055 g_hash_table_remove (method->klass->image->delegate_invoke_cache, sig);
13056 if (sig && method->klass->image->runtime_invoke_cache)
13057 g_hash_table_remove (method->klass->image->runtime_invoke_cache, sig);
13058 if (sig && method->klass->image->runtime_invoke_vtype_cache)
13059 g_hash_table_remove (method->klass->image->runtime_invoke_vtype_cache, sig);
13062 * indexed by SignatureMethodPair
13064 if (sig && method->klass->image->delegate_abstract_invoke_cache)
13065 g_hash_table_foreach_remove (method->klass->image->delegate_abstract_invoke_cache,
13066 signature_method_pair_matches_signature, (gpointer)sig);
13069 * indexed by MonoMethod pointers
13071 if (method->klass->image->runtime_invoke_direct_cache)
13072 g_hash_table_remove (method->klass->image->runtime_invoke_direct_cache, method);
13073 if (method->klass->image->managed_wrapper_cache)
13074 g_hash_table_remove (method->klass->image->managed_wrapper_cache, method);
13075 if (method->klass->image->native_wrapper_cache)
13076 g_hash_table_remove (method->klass->image->native_wrapper_cache, method);
13077 if (method->klass->image->remoting_invoke_cache)
13078 g_hash_table_remove (method->klass->image->remoting_invoke_cache, method);
13079 if (method->klass->image->synchronized_cache)
13080 g_hash_table_remove (method->klass->image->synchronized_cache, method);
13081 if (method->klass->image->unbox_wrapper_cache)
13082 g_hash_table_remove (method->klass->image->unbox_wrapper_cache, method);
13083 if (method->klass->image->cominterop_invoke_cache)
13084 g_hash_table_remove (method->klass->image->cominterop_invoke_cache, method);
13085 if (method->klass->image->cominterop_wrapper_cache)
13086 g_hash_table_remove (method->klass->image->cominterop_wrapper_cache, method);
13087 if (method->klass->image->thunk_invoke_cache)
13088 g_hash_table_remove (method->klass->image->thunk_invoke_cache, method);
13089 if (method->klass->image->native_func_wrapper_aot_cache)
13090 g_hash_table_remove (method->klass->image->native_func_wrapper_aot_cache, method);
13092 mono_marshal_unlock ();