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)
2747 * - can't put all wrappers into an mscorlib class, because they reference
2748 * metadata (signature) so they should be put into the same image as the
2749 * method they wrap, so they are unloaded together.
2750 * - putting them into a class with a type initalizer could cause the
2751 * initializer to be executed which can be a problem if the wrappers are
2753 * - putting them into an inflated class can cause problems if the the
2754 * class is deleted because it references an image which is unloaded.
2755 * To avoid these problems, we put the wrappers into the <Module> class of
2758 if (image_is_dynamic (image)) {
2759 klass = ((MonoDynamicImage*)image)->wrappers_type;
2761 klass = mono_class_get_checked (image, mono_metadata_make_token (MONO_TABLE_TYPEDEF, 1), &error);
2762 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
2770 * Wrappers for generic methods should be instances of generic wrapper methods, i.e .the wrapper for Sort<int> should be
2771 * an instance of the wrapper for Sort<T>. This is required for full-aot to work.
2775 * check_generic_wrapper_cache:
2777 * Check CACHE for the wrapper of the generic instance ORIG_METHOD, and return it if it is found.
2778 * KEY should be the key for ORIG_METHOD in the cache, while DEF_KEY should be the key of its
2779 * generic method definition.
2782 check_generic_wrapper_cache (GHashTable *cache, MonoMethod *orig_method, gpointer key, gpointer def_key)
2785 MonoMethod *inst, *def;
2786 MonoGenericContext *ctx;
2787 MonoMethod *def_method;
2789 g_assert (orig_method->is_inflated);
2790 def_method = ((MonoMethodInflated*)orig_method)->declaring;
2791 ctx = mono_method_get_context (orig_method);
2794 * Look for the instance
2796 res = mono_marshal_find_in_cache (cache, key);
2801 * Look for the definition
2803 def = mono_marshal_find_in_cache (cache, def_key);
2805 inst = mono_class_inflate_generic_method (def, ctx);
2807 mono_memory_barrier ();
2808 mono_marshal_lock ();
2809 res = g_hash_table_lookup (cache, key);
2811 g_hash_table_insert (cache, key, inst);
2814 mono_marshal_unlock ();
2821 cache_generic_wrapper (GHashTable *cache, MonoMethod *orig_method, MonoMethod *def, MonoGenericContext *ctx, gpointer key)
2823 MonoMethod *inst, *res;
2826 * We use the same cache for the generic definition and the instances.
2828 inst = mono_class_inflate_generic_method (def, ctx);
2829 mono_memory_barrier ();
2830 mono_marshal_lock ();
2831 res = g_hash_table_lookup (cache, key);
2833 g_hash_table_insert (cache, key, inst);
2836 mono_marshal_unlock ();
2841 check_generic_delegate_wrapper_cache (GHashTable *cache, MonoMethod *orig_method, MonoMethod *def_method, MonoGenericContext *ctx)
2844 MonoMethod *inst, *def;
2847 * Look for the instance
2849 res = mono_marshal_find_in_cache (cache, orig_method->klass);
2854 * Look for the definition
2856 def = mono_marshal_find_in_cache (cache, def_method->klass);
2858 inst = mono_class_inflate_generic_method (def, ctx);
2860 mono_memory_barrier ();
2861 mono_marshal_lock ();
2862 res = g_hash_table_lookup (cache, orig_method->klass);
2864 g_hash_table_insert (cache, orig_method->klass, inst);
2867 mono_marshal_unlock ();
2874 cache_generic_delegate_wrapper (GHashTable *cache, MonoMethod *orig_method, MonoMethod *def, MonoGenericContext *ctx)
2876 MonoMethod *inst, *res;
2879 * We use the same cache for the generic definition and the instances.
2881 inst = mono_class_inflate_generic_method (def, ctx);
2882 mono_memory_barrier ();
2883 mono_marshal_lock ();
2884 res = g_hash_table_lookup (cache, orig_method->klass);
2886 g_hash_table_insert (cache, orig_method->klass, inst);
2889 mono_marshal_unlock ();
2894 mono_marshal_get_delegate_begin_invoke (MonoMethod *method)
2896 MonoMethodSignature *sig;
2897 MonoMethodBuilder *mb;
2902 MonoGenericContext *ctx = NULL;
2903 MonoMethod *orig_method = NULL;
2905 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
2906 !strcmp (method->name, "BeginInvoke"));
2909 * For generic delegates, create a generic wrapper, and returns an instance to help AOT.
2911 if (method->is_inflated) {
2912 orig_method = method;
2913 ctx = &((MonoMethodInflated*)method)->context;
2914 method = ((MonoMethodInflated*)method)->declaring;
2917 sig = mono_signature_no_pinvoke (method);
2923 cache = get_cache (&method->klass->image->delegate_begin_invoke_generic_cache, mono_aligned_addr_hash, NULL);
2924 res = check_generic_delegate_wrapper_cache (cache, orig_method, method, ctx);
2928 cache = get_cache (&method->klass->image->delegate_begin_invoke_cache,
2929 (GHashFunc)mono_signature_hash,
2930 (GCompareFunc)mono_metadata_signature_equal);
2931 if ((res = mono_marshal_find_in_cache (cache, sig)))
2935 g_assert (sig->hasthis);
2937 name = mono_signature_to_name (sig, "begin_invoke");
2939 mb = mono_mb_new (method->klass, name, MONO_WRAPPER_DELEGATE_BEGIN_INVOKE);
2941 mb = mono_mb_new (get_wrapper_target_class (method->klass->image), name, MONO_WRAPPER_DELEGATE_BEGIN_INVOKE);
2945 params_var = mono_mb_emit_save_args (mb, sig, FALSE);
2947 mono_mb_emit_ldarg (mb, 0);
2948 mono_mb_emit_ldloc (mb, params_var);
2949 mono_mb_emit_icall (mb, mono_delegate_begin_invoke);
2950 mono_mb_emit_byte (mb, CEE_RET);
2955 def = mono_mb_create_and_cache (cache, method->klass, mb, sig, sig->param_count + 16);
2956 res = cache_generic_delegate_wrapper (cache, orig_method, def, ctx);
2958 res = mono_mb_create_and_cache (cache, sig, mb, sig, sig->param_count + 16);
2966 mono_delegate_end_invoke (MonoDelegate *delegate, gpointer *params)
2968 MonoDomain *domain = mono_domain_get ();
2969 MonoAsyncResult *ares;
2970 MonoMethod *method = NULL;
2971 MonoMethodSignature *sig;
2972 MonoMethodMessage *msg;
2973 MonoObject *res, *exc;
2974 MonoArray *out_args;
2977 g_assert (delegate);
2979 if (!delegate->method_info) {
2980 g_assert (delegate->method);
2981 MONO_OBJECT_SETREF (delegate, method_info, mono_method_get_object (domain, delegate->method, NULL));
2984 if (!delegate->method_info || !delegate->method_info->method)
2985 g_assert_not_reached ();
2987 klass = delegate->object.vtable->klass;
2989 method = mono_class_get_method_from_name (klass, "EndInvoke", -1);
2990 g_assert (method != NULL);
2992 sig = mono_signature_no_pinvoke (method);
2994 msg = mono_method_call_message_new (method, params, NULL, NULL, NULL);
2996 ares = mono_array_get (msg->args, gpointer, sig->param_count - 1);
2998 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."));
3002 if (ares->async_delegate != (MonoObject*)delegate) {
3003 mono_raise_exception (mono_get_exception_invalid_operation (
3004 "The IAsyncResult object provided does not match this delegate."));
3008 #ifndef DISABLE_REMOTING
3009 if (delegate->target && mono_object_is_transparent_proxy (delegate->target)) {
3010 MonoTransparentProxy* tp = (MonoTransparentProxy *)delegate->target;
3011 msg = (MonoMethodMessage *)mono_object_new (domain, mono_defaults.mono_method_message_class);
3012 mono_message_init (domain, msg, delegate->method_info, NULL);
3013 msg->call_type = CallType_EndInvoke;
3014 MONO_OBJECT_SETREF (msg, async_result, ares);
3015 res = mono_remoting_invoke ((MonoObject *)tp->rp, msg, &exc, &out_args);
3019 res = mono_thread_pool_finish (ares, &out_args, &exc);
3023 if (((MonoException*)exc)->stack_trace) {
3024 char *strace = mono_string_to_utf8 (((MonoException*)exc)->stack_trace);
3026 tmp = g_strdup_printf ("%s\nException Rethrown at:\n", strace);
3028 MONO_OBJECT_SETREF (((MonoException*)exc), stack_trace, mono_string_new (domain, tmp));
3031 mono_raise_exception ((MonoException*)exc);
3034 mono_method_return_message_restore (method, params, out_args);
3041 mono_mb_emit_restore_result (MonoMethodBuilder *mb, MonoType *return_type)
3043 MonoType *t = mono_type_get_underlying_type (return_type);
3045 if (return_type->byref)
3046 return_type = &mono_defaults.int_class->byval_arg;
3049 case MONO_TYPE_VOID:
3050 g_assert_not_reached ();
3053 case MONO_TYPE_STRING:
3054 case MONO_TYPE_CLASS:
3055 case MONO_TYPE_OBJECT:
3056 case MONO_TYPE_ARRAY:
3057 case MONO_TYPE_SZARRAY:
3061 case MONO_TYPE_BOOLEAN:
3064 case MONO_TYPE_CHAR:
3074 mono_mb_emit_op (mb, CEE_UNBOX, mono_class_from_mono_type (return_type));
3075 mono_mb_emit_byte (mb, mono_type_to_ldind (return_type));
3077 case MONO_TYPE_GENERICINST:
3078 if (!mono_type_generic_inst_is_valuetype (t))
3081 case MONO_TYPE_VALUETYPE: {
3082 MonoClass *klass = mono_class_from_mono_type (return_type);
3083 mono_mb_emit_op (mb, CEE_UNBOX, klass);
3084 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
3088 case MONO_TYPE_MVAR: {
3089 MonoClass *klass = mono_class_from_mono_type (return_type);
3090 mono_mb_emit_op (mb, CEE_UNBOX_ANY, klass);
3094 g_warning ("type 0x%x not handled", return_type->type);
3095 g_assert_not_reached ();
3098 mono_mb_emit_byte (mb, CEE_RET);
3101 #endif /* DISABLE_JIT */
3104 mono_marshal_get_delegate_end_invoke (MonoMethod *method)
3106 MonoMethodSignature *sig;
3107 MonoMethodBuilder *mb;
3112 MonoGenericContext *ctx = NULL;
3113 MonoMethod *orig_method = NULL;
3115 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
3116 !strcmp (method->name, "EndInvoke"));
3119 * For generic delegates, create a generic wrapper, and returns an instance to help AOT.
3121 if (method->is_inflated) {
3122 orig_method = method;
3123 ctx = &((MonoMethodInflated*)method)->context;
3124 method = ((MonoMethodInflated*)method)->declaring;
3127 sig = mono_signature_no_pinvoke (method);
3133 cache = get_cache (&method->klass->image->delegate_end_invoke_generic_cache, mono_aligned_addr_hash, NULL);
3134 res = check_generic_delegate_wrapper_cache (cache, orig_method, method, ctx);
3138 cache = get_cache (&method->klass->image->delegate_end_invoke_cache,
3139 (GHashFunc)mono_signature_hash,
3140 (GCompareFunc)mono_metadata_signature_equal);
3141 if ((res = mono_marshal_find_in_cache (cache, sig)))
3145 g_assert (sig->hasthis);
3147 name = mono_signature_to_name (sig, "end_invoke");
3149 mb = mono_mb_new (method->klass, name, MONO_WRAPPER_DELEGATE_END_INVOKE);
3151 mb = mono_mb_new (get_wrapper_target_class (method->klass->image), name, MONO_WRAPPER_DELEGATE_END_INVOKE);
3155 params_var = mono_mb_emit_save_args (mb, sig, FALSE);
3157 mono_mb_emit_ldarg (mb, 0);
3158 mono_mb_emit_ldloc (mb, params_var);
3159 mono_mb_emit_icall (mb, mono_delegate_end_invoke);
3161 if (sig->ret->type == MONO_TYPE_VOID) {
3162 mono_mb_emit_byte (mb, CEE_POP);
3163 mono_mb_emit_byte (mb, CEE_RET);
3165 mono_mb_emit_restore_result (mb, sig->ret);
3170 def = mono_mb_create_and_cache (cache, method->klass, mb, sig, sig->param_count + 16);
3171 res = cache_generic_delegate_wrapper (cache, orig_method, def, ctx);
3173 res = mono_mb_create_and_cache (cache, sig,
3174 mb, sig, sig->param_count + 16);
3181 #ifndef DISABLE_REMOTING
3184 mono_remoting_wrapper (MonoMethod *method, gpointer *params)
3186 MonoMethodMessage *msg;
3187 MonoTransparentProxy *this;
3188 MonoObject *res, *exc;
3189 MonoArray *out_args;
3191 this = *((MonoTransparentProxy **)params [0]);
3194 g_assert (((MonoObject *)this)->vtable->klass == mono_defaults.transparent_proxy_class);
3196 /* skip the this pointer */
3199 if (mono_class_is_contextbound (this->remote_class->proxy_class) && this->rp->context == (MonoObject *) mono_context_get ())
3202 MonoMethodSignature *sig = mono_method_signature (method);
3203 int count = sig->param_count;
3204 gpointer* mparams = (gpointer*) alloca(count*sizeof(gpointer));
3206 for (i=0; i<count; i++) {
3207 MonoClass *class = mono_class_from_mono_type (sig->params [i]);
3208 if (class->valuetype) {
3209 if (sig->params [i]->byref) {
3210 mparams[i] = *((gpointer *)params [i]);
3212 /* runtime_invoke expects a boxed instance */
3213 if (mono_class_is_nullable (mono_class_from_mono_type (sig->params [i])))
3214 mparams[i] = mono_nullable_box (params [i], class);
3216 mparams[i] = params [i];
3219 mparams[i] = *((gpointer**)params [i]);
3223 return mono_runtime_invoke (method, method->klass->valuetype? mono_object_unbox ((MonoObject*)this): this, mparams, NULL);
3226 msg = mono_method_call_message_new (method, params, NULL, NULL, NULL);
3228 res = mono_remoting_invoke ((MonoObject *)this->rp, msg, &exc, &out_args);
3231 mono_raise_exception ((MonoException *)exc);
3233 mono_method_return_message_restore (method, params, out_args);
3239 mono_marshal_get_remoting_invoke (MonoMethod *method)
3241 MonoMethodSignature *sig;
3242 MonoMethodBuilder *mb;
3248 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE || method->wrapper_type == MONO_WRAPPER_XDOMAIN_INVOKE)
3251 /* this seems to be the best plase to put this, as all remoting invokes seem to get filtered through here */
3253 if (mono_class_is_com_object (method->klass) || method->klass == mono_class_get_com_object_class ()) {
3254 MonoVTable *vtable = mono_class_vtable (mono_domain_get (), method->klass);
3255 g_assert (vtable); /*FIXME do proper error handling*/
3257 if (!mono_vtable_is_remote (vtable)) {
3258 return mono_cominterop_get_invoke (method);
3263 sig = mono_signature_no_pinvoke (method);
3265 /* we cant remote methods without this pointer */
3269 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_REMOTING_INVOKE)))
3272 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_REMOTING_INVOKE);
3275 mb->method->save_lmf = 1;
3277 params_var = mono_mb_emit_save_args (mb, sig, TRUE);
3279 mono_mb_emit_ptr (mb, method);
3280 mono_mb_emit_ldloc (mb, params_var);
3281 mono_mb_emit_icall (mb, mono_remoting_wrapper);
3282 emit_thread_interrupt_checkpoint (mb);
3284 if (sig->ret->type == MONO_TYPE_VOID) {
3285 mono_mb_emit_byte (mb, CEE_POP);
3286 mono_mb_emit_byte (mb, CEE_RET);
3288 mono_mb_emit_restore_result (mb, sig->ret);
3292 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16);
3298 #endif /* DISABLE_REMOTING */
3301 /* mono_get_xdomain_marshal_type()
3302 * Returns the kind of marshalling that a type needs for cross domain calls.
3304 static MonoXDomainMarshalType
3305 mono_get_xdomain_marshal_type (MonoType *t)
3308 case MONO_TYPE_VOID:
3309 g_assert_not_reached ();
3313 case MONO_TYPE_BOOLEAN:
3316 case MONO_TYPE_CHAR:
3323 return MONO_MARSHAL_NONE;
3324 case MONO_TYPE_STRING:
3325 return MONO_MARSHAL_COPY;
3326 case MONO_TYPE_ARRAY:
3327 case MONO_TYPE_SZARRAY: {
3328 MonoClass *elem_class = mono_class_from_mono_type (t)->element_class;
3329 if (mono_get_xdomain_marshal_type (&(elem_class->byval_arg)) != MONO_MARSHAL_SERIALIZE)
3330 return MONO_MARSHAL_COPY;
3335 return MONO_MARSHAL_SERIALIZE;
3339 /* mono_marshal_xdomain_copy_value
3340 * Makes a copy of "val" suitable for the current domain.
3343 mono_marshal_xdomain_copy_value (MonoObject *val)
3346 if (val == NULL) return NULL;
3348 domain = mono_domain_get ();
3350 switch (mono_object_class (val)->byval_arg.type) {
3351 case MONO_TYPE_VOID:
3352 g_assert_not_reached ();
3356 case MONO_TYPE_BOOLEAN:
3359 case MONO_TYPE_CHAR:
3365 case MONO_TYPE_R8: {
3366 return mono_value_box (domain, mono_object_class (val), ((char*)val) + sizeof(MonoObject));
3368 case MONO_TYPE_STRING: {
3369 MonoString *str = (MonoString *) val;
3370 return (MonoObject *) mono_string_new_utf16 (domain, mono_string_chars (str), mono_string_length (str));
3372 case MONO_TYPE_ARRAY:
3373 case MONO_TYPE_SZARRAY: {
3375 MonoXDomainMarshalType mt = mono_get_xdomain_marshal_type (&(mono_object_class (val)->element_class->byval_arg));
3376 if (mt == MONO_MARSHAL_SERIALIZE) return NULL;
3377 acopy = mono_array_clone_in_domain (domain, (MonoArray *) val);
3378 if (mt == MONO_MARSHAL_COPY) {
3379 int i, len = mono_array_length (acopy);
3380 for (i = 0; i < len; i++) {
3381 MonoObject *item = mono_array_get (acopy, gpointer, i);
3382 mono_array_setref (acopy, i, mono_marshal_xdomain_copy_value (item));
3385 return (MonoObject *) acopy;
3389 if (mono_object_class (val) == mono_defaults.stringbuilder_class) {
3390 MonoStringBuilder *oldsb = (MonoStringBuilder *) val;
3391 MonoStringBuilder *newsb = (MonoStringBuilder *) mono_object_new (domain, mono_defaults.stringbuilder_class);
3392 MONO_OBJECT_SETREF (newsb, str, mono_string_new_utf16 (domain, mono_string_chars (oldsb->str), mono_string_length (oldsb->str)));
3393 newsb->length = oldsb->length;
3394 newsb->max_capacity = (gint32)0x7fffffff;
3395 return (MonoObject *) newsb;
3400 /* mono_marshal_xdomain_copy_out_value()
3401 * Copies the contents of the src instance into the dst instance. src and dst
3402 * must have the same type, and if they are arrays, the same size.
3405 mono_marshal_xdomain_copy_out_value (MonoObject *src, MonoObject *dst)
3407 if (src == NULL || dst == NULL) return;
3409 g_assert (mono_object_class (src) == mono_object_class (dst));
3411 switch (mono_object_class (src)->byval_arg.type) {
3412 case MONO_TYPE_ARRAY:
3413 case MONO_TYPE_SZARRAY: {
3414 int mt = mono_get_xdomain_marshal_type (&(mono_object_class (src)->element_class->byval_arg));
3415 if (mt == MONO_MARSHAL_SERIALIZE) return;
3416 if (mt == MONO_MARSHAL_COPY) {
3417 int i, len = mono_array_length ((MonoArray *)dst);
3418 for (i = 0; i < len; i++) {
3419 MonoObject *item = mono_array_get ((MonoArray *)src, gpointer, i);
3420 mono_array_setref ((MonoArray *)dst, i, mono_marshal_xdomain_copy_value (item));
3423 mono_array_full_copy ((MonoArray *)src, (MonoArray *)dst);
3429 if (mono_object_class (src) == mono_defaults.stringbuilder_class) {
3430 MonoStringBuilder *src_sb = (MonoStringBuilder *) src;
3431 MonoStringBuilder *dst_sb = (MonoStringBuilder *) dst;
3433 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)));
3434 dst_sb->cached_str = NULL;
3435 dst_sb->length = src_sb->length;
3440 #if !(defined (DISABLE_JIT) || defined (DISABLE_REMOTING))
3443 mono_marshal_emit_xdomain_copy_value (MonoMethodBuilder *mb, MonoClass *pclass)
3445 mono_mb_emit_icall (mb, mono_marshal_xdomain_copy_value);
3446 mono_mb_emit_op (mb, CEE_CASTCLASS, pclass);
3450 mono_marshal_emit_xdomain_copy_out_value (MonoMethodBuilder *mb, MonoClass *pclass)
3452 mono_mb_emit_icall (mb, mono_marshal_xdomain_copy_out_value);
3456 #ifndef DISABLE_REMOTING
3457 /* mono_marshal_supports_fast_xdomain()
3458 * Returns TRUE if the method can use the fast xdomain wrapper.
3461 mono_marshal_supports_fast_xdomain (MonoMethod *method)
3463 return !mono_class_is_contextbound (method->klass) &&
3464 !((method->flags & METHOD_ATTRIBUTE_SPECIAL_NAME) && (strcmp (".ctor", method->name) == 0));
3469 mono_marshal_set_domain_by_id (gint32 id, MonoBoolean push)
3471 MonoDomain *current_domain = mono_domain_get ();
3472 MonoDomain *domain = mono_domain_get_by_id (id);
3474 if (!domain || !mono_domain_set (domain, FALSE))
3475 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
3478 mono_thread_push_appdomain_ref (domain);
3480 mono_thread_pop_appdomain_ref ();
3482 return current_domain->domain_id;
3485 #if !(defined (DISABLE_JIT) || defined (DISABLE_REMOTING))
3487 mono_marshal_emit_switch_domain (MonoMethodBuilder *mb)
3489 mono_mb_emit_icall (mb, mono_marshal_set_domain_by_id);
3492 /* mono_marshal_emit_load_domain_method ()
3493 * Loads into the stack a pointer to the code of the provided method for
3494 * the current domain.
3497 mono_marshal_emit_load_domain_method (MonoMethodBuilder *mb, MonoMethod *method)
3499 /* We need a pointer to the method for the running domain (not the domain
3500 * that compiles the method).
3502 mono_mb_emit_ptr (mb, method);
3503 mono_mb_emit_icall (mb, mono_compile_method);
3507 /* mono_marshal_check_domain_image ()
3508 * Returns TRUE if the image is loaded in the specified
3509 * application domain.
3512 mono_marshal_check_domain_image (gint32 domain_id, MonoImage *image)
3517 MonoDomain *domain = mono_domain_get_by_id (domain_id);
3521 mono_domain_assemblies_lock (domain);
3522 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
3524 if (ass->image == image)
3527 mono_domain_assemblies_unlock (domain);
3532 #ifndef DISABLE_REMOTING
3534 /* mono_marshal_get_xappdomain_dispatch ()
3535 * Generates a method that dispatches a method call from another domain into
3536 * the current domain.
3539 mono_marshal_get_xappdomain_dispatch (MonoMethod *method, int *marshal_types, int complex_count, int complex_out_count, int ret_marshal_type)
3541 MonoMethodSignature *sig, *csig;
3542 MonoMethodBuilder *mb;
3544 int i, j, param_index, copy_locals_base;
3545 MonoClass *ret_class = NULL;
3546 int loc_array=0, loc_return=0, loc_serialized_exc=0;
3547 MonoExceptionClause *main_clause;
3549 gboolean copy_return;
3551 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_XDOMAIN_DISPATCH)))
3554 sig = mono_method_signature (method);
3555 copy_return = (sig->ret->type != MONO_TYPE_VOID && ret_marshal_type != MONO_MARSHAL_SERIALIZE);
3558 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3 + sig->param_count - complex_count);
3559 csig->params [j++] = &mono_defaults.object_class->byval_arg;
3560 csig->params [j++] = &byte_array_class->this_arg;
3561 csig->params [j++] = &byte_array_class->this_arg;
3562 for (i = 0; i < sig->param_count; i++) {
3563 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE)
3564 csig->params [j++] = sig->params [i];
3567 csig->ret = sig->ret;
3569 csig->ret = &mono_defaults.void_class->byval_arg;
3571 csig->hasthis = FALSE;
3573 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_XDOMAIN_DISPATCH);
3574 mb->method->save_lmf = 1;
3579 loc_serialized_exc = mono_mb_add_local (mb, &byte_array_class->byval_arg);
3580 if (complex_count > 0)
3581 loc_array = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3582 if (sig->ret->type != MONO_TYPE_VOID) {
3583 loc_return = mono_mb_add_local (mb, sig->ret);
3584 ret_class = mono_class_from_mono_type (sig->ret);
3589 main_clause = mono_image_alloc0 (method->klass->image, sizeof (MonoExceptionClause));
3590 main_clause->try_offset = mono_mb_get_label (mb);
3592 /* Clean the call context */
3594 mono_mb_emit_byte (mb, CEE_LDNULL);
3595 mono_mb_emit_managed_call (mb, method_set_call_context, NULL);
3596 mono_mb_emit_byte (mb, CEE_POP);
3598 /* Deserialize call data */
3600 mono_mb_emit_ldarg (mb, 1);
3601 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3602 mono_mb_emit_byte (mb, CEE_DUP);
3603 pos = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
3605 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
3606 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
3608 if (complex_count > 0)
3609 mono_mb_emit_stloc (mb, loc_array);
3611 mono_mb_emit_byte (mb, CEE_POP);
3613 mono_mb_patch_short_branch (mb, pos);
3615 /* Get the target object */
3617 mono_mb_emit_ldarg (mb, 0);
3618 mono_mb_emit_managed_call (mb, method_rs_appdomain_target, NULL);
3620 /* Load the arguments */
3622 copy_locals_base = mb->locals;
3623 param_index = 3; // Index of the first non-serialized parameter of this wrapper
3625 for (i = 0; i < sig->param_count; i++) {
3626 MonoType *pt = sig->params [i];
3627 MonoClass *pclass = mono_class_from_mono_type (pt);
3628 switch (marshal_types [i]) {
3629 case MONO_MARSHAL_SERIALIZE: {
3630 /* take the value from the serialized array */
3631 mono_mb_emit_ldloc (mb, loc_array);
3632 mono_mb_emit_icon (mb, j++);
3634 if (pclass->valuetype) {
3635 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3636 mono_mb_emit_op (mb, CEE_UNBOX, pclass);
3638 mono_mb_emit_op (mb, CEE_LDELEMA, pclass);
3641 if (pclass->valuetype) {
3642 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3643 mono_mb_emit_op (mb, CEE_UNBOX, pclass);
3644 mono_mb_emit_op (mb, CEE_LDOBJ, pclass);
3646 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3647 if (pclass != mono_defaults.object_class) {
3648 mono_mb_emit_op (mb, CEE_CASTCLASS, pclass);
3654 case MONO_MARSHAL_COPY_OUT: {
3655 /* Keep a local copy of the value since we need to copy it back after the call */
3656 int copy_local = mono_mb_add_local (mb, &(pclass->byval_arg));
3657 mono_mb_emit_ldarg (mb, param_index++);
3658 mono_marshal_emit_xdomain_copy_value (mb, pclass);
3659 mono_mb_emit_byte (mb, CEE_DUP);
3660 mono_mb_emit_stloc (mb, copy_local);
3663 case MONO_MARSHAL_COPY: {
3664 mono_mb_emit_ldarg (mb, param_index);
3666 mono_mb_emit_byte (mb, CEE_DUP);
3667 mono_mb_emit_byte (mb, CEE_DUP);
3668 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3669 mono_marshal_emit_xdomain_copy_value (mb, pclass);
3670 mono_mb_emit_byte (mb, CEE_STIND_REF);
3672 mono_marshal_emit_xdomain_copy_value (mb, pclass);
3677 case MONO_MARSHAL_NONE:
3678 mono_mb_emit_ldarg (mb, param_index++);
3683 /* Make the call to the real object */
3685 emit_thread_force_interrupt_checkpoint (mb);
3687 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
3689 if (sig->ret->type != MONO_TYPE_VOID)
3690 mono_mb_emit_stloc (mb, loc_return);
3692 /* copy back MONO_MARSHAL_COPY_OUT parameters */
3696 for (i = 0; i < sig->param_count; i++) {
3697 if (marshal_types [i] == MONO_MARSHAL_SERIALIZE) continue;
3698 if (marshal_types [i] == MONO_MARSHAL_COPY_OUT) {
3699 mono_mb_emit_ldloc (mb, copy_locals_base + (j++));
3700 mono_mb_emit_ldarg (mb, param_index);
3701 mono_marshal_emit_xdomain_copy_out_value (mb, mono_class_from_mono_type (sig->params [i]));
3706 /* Serialize the return values */
3708 if (complex_out_count > 0) {
3709 /* Reset parameters in the array that don't need to be serialized back */
3711 for (i = 0; i < sig->param_count; i++) {
3712 if (marshal_types[i] != MONO_MARSHAL_SERIALIZE) continue;
3713 if (!sig->params [i]->byref) {
3714 mono_mb_emit_ldloc (mb, loc_array);
3715 mono_mb_emit_icon (mb, j);
3716 mono_mb_emit_byte (mb, CEE_LDNULL);
3717 mono_mb_emit_byte (mb, CEE_STELEM_REF);
3722 /* Add the return value to the array */
3724 if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
3725 mono_mb_emit_ldloc (mb, loc_array);
3726 mono_mb_emit_icon (mb, complex_count); /* The array has an additional slot to hold the ret value */
3727 mono_mb_emit_ldloc (mb, loc_return);
3729 g_assert (ret_class); /*FIXME properly fail here*/
3730 if (ret_class->valuetype) {
3731 mono_mb_emit_op (mb, CEE_BOX, ret_class);
3733 mono_mb_emit_byte (mb, CEE_STELEM_REF);
3738 mono_mb_emit_ldarg (mb, 1);
3739 mono_mb_emit_ldloc (mb, loc_array);
3740 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3741 mono_mb_emit_byte (mb, CEE_STIND_REF);
3742 } else if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
3743 mono_mb_emit_ldarg (mb, 1);
3744 mono_mb_emit_ldloc (mb, loc_return);
3745 if (ret_class->valuetype) {
3746 mono_mb_emit_op (mb, CEE_BOX, ret_class);
3748 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3749 mono_mb_emit_byte (mb, CEE_STIND_REF);
3751 mono_mb_emit_ldarg (mb, 1);
3752 mono_mb_emit_byte (mb, CEE_LDNULL);
3753 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3754 mono_mb_emit_byte (mb, CEE_STIND_REF);
3757 mono_mb_emit_ldarg (mb, 2);
3758 mono_mb_emit_byte (mb, CEE_LDNULL);
3759 mono_mb_emit_byte (mb, CEE_STIND_REF);
3760 pos_leave = mono_mb_emit_branch (mb, CEE_LEAVE);
3762 /* Main exception catch */
3763 main_clause->flags = MONO_EXCEPTION_CLAUSE_NONE;
3764 main_clause->try_len = mono_mb_get_pos (mb) - main_clause->try_offset;
3765 main_clause->data.catch_class = mono_defaults.object_class;
3768 main_clause->handler_offset = mono_mb_get_label (mb);
3769 mono_mb_emit_managed_call (mb, method_rs_serialize_exc, NULL);
3770 mono_mb_emit_stloc (mb, loc_serialized_exc);
3771 mono_mb_emit_ldarg (mb, 2);
3772 mono_mb_emit_ldloc (mb, loc_serialized_exc);
3773 mono_mb_emit_byte (mb, CEE_STIND_REF);
3774 mono_mb_emit_branch (mb, CEE_LEAVE);
3775 main_clause->handler_len = mono_mb_get_pos (mb) - main_clause->handler_offset;
3778 mono_mb_patch_branch (mb, pos_leave);
3781 mono_mb_emit_ldloc (mb, loc_return);
3783 mono_mb_emit_byte (mb, CEE_RET);
3785 mono_mb_set_clauses (mb, 1, main_clause);
3788 res = mono_remoting_mb_create_and_cache (method, mb, csig, csig->param_count + 16);
3794 /* mono_marshal_get_xappdomain_invoke ()
3795 * Generates a fast remoting wrapper for cross app domain calls.
3798 mono_marshal_get_xappdomain_invoke (MonoMethod *method)
3800 MonoMethodSignature *sig;
3801 MonoMethodBuilder *mb;
3803 int i, j, complex_count, complex_out_count, copy_locals_base;
3805 MonoClass *ret_class = NULL;
3806 MonoMethod *xdomain_method;
3807 int ret_marshal_type = MONO_MARSHAL_NONE;
3808 int loc_array=0, loc_serialized_data=-1, loc_real_proxy;
3809 int loc_old_domainid, loc_domainid, loc_return=0, loc_serialized_exc=0, loc_context;
3810 int pos, pos_dispatch, pos_noex;
3811 gboolean copy_return = FALSE;
3815 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE || method->wrapper_type == MONO_WRAPPER_XDOMAIN_INVOKE)
3818 /* we cant remote methods without this pointer */
3819 if (!mono_method_signature (method)->hasthis)
3822 if (!mono_marshal_supports_fast_xdomain (method))
3823 return mono_marshal_get_remoting_invoke (method);
3825 mono_remoting_marshal_init ();
3827 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_XDOMAIN_INVOKE)))
3830 sig = mono_signature_no_pinvoke (method);
3832 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_XDOMAIN_INVOKE);
3833 mb->method->save_lmf = 1;
3835 /* Count the number of parameters that need to be serialized */
3837 marshal_types = alloca (sizeof (int) * sig->param_count);
3838 complex_count = complex_out_count = 0;
3839 for (i = 0; i < sig->param_count; i++) {
3840 MonoType *ptype = sig->params[i];
3841 int mt = mono_get_xdomain_marshal_type (ptype);
3843 /* If the [Out] attribute is applied to a parameter that can be internally copied,
3844 * the copy will be made by reusing the original object instance
3846 if ((ptype->attrs & PARAM_ATTRIBUTE_OUT) != 0 && mt == MONO_MARSHAL_COPY && !ptype->byref)
3847 mt = MONO_MARSHAL_COPY_OUT;
3848 else if (mt == MONO_MARSHAL_SERIALIZE) {
3850 if (ptype->byref) complex_out_count++;
3852 marshal_types [i] = mt;
3855 if (sig->ret->type != MONO_TYPE_VOID) {
3856 ret_marshal_type = mono_get_xdomain_marshal_type (sig->ret);
3857 ret_class = mono_class_from_mono_type (sig->ret);
3858 copy_return = ret_marshal_type != MONO_MARSHAL_SERIALIZE;
3864 if (complex_count > 0)
3865 loc_array = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3866 loc_serialized_data = mono_mb_add_local (mb, &byte_array_class->byval_arg);
3867 loc_real_proxy = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3869 loc_return = mono_mb_add_local (mb, sig->ret);
3870 loc_old_domainid = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
3871 loc_domainid = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
3872 loc_serialized_exc = mono_mb_add_local (mb, &byte_array_class->byval_arg);
3873 loc_context = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3875 /* Save thread domain data */
3877 mono_mb_emit_icall (mb, mono_context_get);
3878 mono_mb_emit_byte (mb, CEE_DUP);
3879 mono_mb_emit_stloc (mb, loc_context);
3881 /* If the thread is not running in the default context, it needs to go
3882 * through the whole remoting sink, since the context is going to change
3884 mono_mb_emit_managed_call (mb, method_needs_context_sink, NULL);
3885 pos = mono_mb_emit_short_branch (mb, CEE_BRTRUE_S);
3887 /* Another case in which the fast path can't be used: when the target domain
3888 * has a different image for the same assembly.
3891 /* Get the target domain id */
3893 mono_mb_emit_ldarg (mb, 0);
3894 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoTransparentProxy, rp));
3895 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3896 mono_mb_emit_byte (mb, CEE_DUP);
3897 mono_mb_emit_stloc (mb, loc_real_proxy);
3899 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoRealProxy, target_domain_id));
3900 mono_mb_emit_byte (mb, CEE_LDIND_I4);
3901 mono_mb_emit_stloc (mb, loc_domainid);
3903 /* Check if the target domain has the same image for the required assembly */
3905 mono_mb_emit_ldloc (mb, loc_domainid);
3906 mono_mb_emit_ptr (mb, method->klass->image);
3907 mono_mb_emit_icall (mb, mono_marshal_check_domain_image);
3908 pos_dispatch = mono_mb_emit_short_branch (mb, CEE_BRTRUE_S);
3910 /* Use the whole remoting sink to dispatch this message */
3912 mono_mb_patch_short_branch (mb, pos);
3914 mono_mb_emit_ldarg (mb, 0);
3915 for (i = 0; i < sig->param_count; i++)
3916 mono_mb_emit_ldarg (mb, i + 1);
3918 mono_mb_emit_managed_call (mb, mono_marshal_get_remoting_invoke (method), NULL);
3919 mono_mb_emit_byte (mb, CEE_RET);
3920 mono_mb_patch_short_branch (mb, pos_dispatch);
3922 /* Create the array that will hold the parameters to be serialized */
3924 if (complex_count > 0) {
3925 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 */
3926 mono_mb_emit_op (mb, CEE_NEWARR, mono_defaults.object_class);
3929 for (i = 0; i < sig->param_count; i++) {
3931 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE) continue;
3932 pclass = mono_class_from_mono_type (sig->params[i]);
3933 mono_mb_emit_byte (mb, CEE_DUP);
3934 mono_mb_emit_icon (mb, j);
3935 mono_mb_emit_ldarg (mb, i + 1); /* 0=this */
3936 if (sig->params[i]->byref) {
3937 if (pclass->valuetype)
3938 mono_mb_emit_op (mb, CEE_LDOBJ, pclass);
3940 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3942 if (pclass->valuetype)
3943 mono_mb_emit_op (mb, CEE_BOX, pclass);
3944 mono_mb_emit_byte (mb, CEE_STELEM_REF);
3947 mono_mb_emit_stloc (mb, loc_array);
3949 /* Serialize parameters */
3951 mono_mb_emit_ldloc (mb, loc_array);
3952 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3953 mono_mb_emit_stloc (mb, loc_serialized_data);
3955 mono_mb_emit_byte (mb, CEE_LDNULL);
3956 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3957 mono_mb_emit_stloc (mb, loc_serialized_data);
3962 mono_mb_emit_ldloc (mb, loc_domainid);
3963 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
3964 mono_marshal_emit_switch_domain (mb);
3965 mono_mb_emit_stloc (mb, loc_old_domainid);
3967 /* Load the arguments */
3969 mono_mb_emit_ldloc (mb, loc_real_proxy);
3970 mono_mb_emit_ldloc_addr (mb, loc_serialized_data);
3971 mono_mb_emit_ldloc_addr (mb, loc_serialized_exc);
3973 copy_locals_base = mb->locals;
3974 for (i = 0; i < sig->param_count; i++) {
3975 switch (marshal_types [i]) {
3976 case MONO_MARSHAL_SERIALIZE:
3978 case MONO_MARSHAL_COPY: {
3979 mono_mb_emit_ldarg (mb, i+1);
3980 if (sig->params [i]->byref) {
3981 /* make a local copy of the byref parameter. The real parameter
3982 * will be updated after the xdomain call
3984 MonoClass *pclass = mono_class_from_mono_type (sig->params [i]);
3985 int copy_local = mono_mb_add_local (mb, &(pclass->byval_arg));
3986 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3987 mono_mb_emit_stloc (mb, copy_local);
3988 mono_mb_emit_ldloc_addr (mb, copy_local);
3992 case MONO_MARSHAL_COPY_OUT:
3993 case MONO_MARSHAL_NONE:
3994 mono_mb_emit_ldarg (mb, i+1);
3999 /* Make the call to the invoke wrapper in the target domain */
4001 xdomain_method = mono_marshal_get_xappdomain_dispatch (method, marshal_types, complex_count, complex_out_count, ret_marshal_type);
4002 mono_marshal_emit_load_domain_method (mb, xdomain_method);
4003 mono_mb_emit_calli (mb, mono_method_signature (xdomain_method));
4006 mono_mb_emit_stloc (mb, loc_return);
4010 mono_mb_emit_ldloc (mb, loc_old_domainid);
4011 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
4012 mono_marshal_emit_switch_domain (mb);
4013 mono_mb_emit_byte (mb, CEE_POP);
4015 /* Restore thread domain data */
4017 mono_mb_emit_ldloc (mb, loc_context);
4018 mono_mb_emit_icall (mb, mono_context_set);
4020 /* if (loc_serialized_exc != null) ... */
4022 mono_mb_emit_ldloc (mb, loc_serialized_exc);
4023 pos_noex = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
4025 mono_mb_emit_ldloc (mb, loc_serialized_exc);
4026 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
4027 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
4028 mono_mb_emit_op (mb, CEE_CASTCLASS, mono_defaults.exception_class);
4029 mono_mb_emit_managed_call (mb, method_exc_fixexc, NULL);
4030 mono_mb_emit_byte (mb, CEE_THROW);
4031 mono_mb_patch_short_branch (mb, pos_noex);
4033 /* copy back non-serialized output parameters */
4036 for (i = 0; i < sig->param_count; i++) {
4037 if (!sig->params [i]->byref || marshal_types [i] != MONO_MARSHAL_COPY) continue;
4038 mono_mb_emit_ldarg (mb, i + 1);
4039 mono_mb_emit_ldloc (mb, copy_locals_base + (j++));
4040 mono_marshal_emit_xdomain_copy_value (mb, mono_class_from_mono_type (sig->params [i]));
4041 mono_mb_emit_byte (mb, CEE_STIND_REF);
4044 /* Deserialize out parameters */
4046 if (complex_out_count > 0) {
4047 mono_mb_emit_ldloc (mb, loc_serialized_data);
4048 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
4049 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
4050 mono_mb_emit_stloc (mb, loc_array);
4052 /* Copy back output parameters and return type */
4055 for (i = 0; i < sig->param_count; i++) {
4056 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE) continue;
4057 if (sig->params[i]->byref) {
4058 MonoClass *pclass = mono_class_from_mono_type (sig->params [i]);
4059 mono_mb_emit_ldarg (mb, i + 1);
4060 mono_mb_emit_ldloc (mb, loc_array);
4061 mono_mb_emit_icon (mb, j);
4062 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
4063 if (pclass->valuetype) {
4064 mono_mb_emit_op (mb, CEE_UNBOX, pclass);
4065 mono_mb_emit_op (mb, CEE_LDOBJ, pclass);
4066 mono_mb_emit_op (mb, CEE_STOBJ, pclass);
4068 if (pclass != mono_defaults.object_class)
4069 mono_mb_emit_op (mb, CEE_CASTCLASS, pclass);
4070 mono_mb_emit_byte (mb, CEE_STIND_REF);
4076 if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
4077 mono_mb_emit_ldloc (mb, loc_array);
4078 mono_mb_emit_icon (mb, complex_count);
4079 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
4080 if (ret_class->valuetype) {
4081 mono_mb_emit_op (mb, CEE_UNBOX, ret_class);
4082 mono_mb_emit_op (mb, CEE_LDOBJ, ret_class);
4085 } else if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
4086 mono_mb_emit_ldloc (mb, loc_serialized_data);
4087 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
4088 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
4089 if (ret_class->valuetype) {
4090 mono_mb_emit_op (mb, CEE_UNBOX, ret_class);
4091 mono_mb_emit_op (mb, CEE_LDOBJ, ret_class);
4092 } else if (ret_class != mono_defaults.object_class) {
4093 mono_mb_emit_op (mb, CEE_CASTCLASS, ret_class);
4096 mono_mb_emit_ldloc (mb, loc_serialized_data);
4097 mono_mb_emit_byte (mb, CEE_DUP);
4098 pos = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
4099 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
4101 mono_mb_patch_short_branch (mb, pos);
4102 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
4103 mono_mb_emit_byte (mb, CEE_POP);
4107 mono_mb_emit_ldloc (mb, loc_return);
4108 if (ret_marshal_type == MONO_MARSHAL_COPY)
4109 mono_marshal_emit_xdomain_copy_value (mb, ret_class);
4112 mono_mb_emit_byte (mb, CEE_RET);
4113 #endif /* DISABLE_JIT */
4115 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16);
4122 mono_marshal_get_remoting_invoke_for_target (MonoMethod *method, MonoRemotingTarget target_type)
4124 if (target_type == MONO_REMOTING_TARGET_APPDOMAIN) {
4125 return mono_marshal_get_xappdomain_invoke (method);
4126 } else if (target_type == MONO_REMOTING_TARGET_COMINTEROP) {
4128 return mono_cominterop_get_invoke (method);
4130 g_assert_not_reached ();
4133 return mono_marshal_get_remoting_invoke (method);
4139 G_GNUC_UNUSED static gpointer
4140 mono_marshal_load_remoting_wrapper (MonoRealProxy *rp, MonoMethod *method)
4142 if (rp->target_domain_id != -1)
4143 return mono_compile_method (mono_marshal_get_xappdomain_invoke (method));
4145 return mono_compile_method (mono_marshal_get_remoting_invoke (method));
4149 mono_marshal_get_remoting_invoke_with_check (MonoMethod *method)
4151 MonoMethodSignature *sig;
4152 MonoMethodBuilder *mb;
4153 MonoMethod *res, *native;
4154 int i, pos, pos_rem;
4158 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK)
4161 /* we cant remote methods without this pointer */
4162 g_assert (mono_method_signature (method)->hasthis);
4164 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK)))
4167 sig = mono_signature_no_pinvoke (method);
4169 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK);
4172 for (i = 0; i <= sig->param_count; i++)
4173 mono_mb_emit_ldarg (mb, i);
4175 mono_mb_emit_ldarg (mb, 0);
4176 pos = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
4178 if (mono_marshal_supports_fast_xdomain (method)) {
4179 mono_mb_emit_ldarg (mb, 0);
4180 pos_rem = mono_mb_emit_xdomain_check (mb, CEE_BEQ);
4182 /* wrapper for cross app domain calls */
4183 native = mono_marshal_get_xappdomain_invoke (method);
4184 mono_mb_emit_managed_call (mb, native, mono_method_signature (native));
4185 mono_mb_emit_byte (mb, CEE_RET);
4187 mono_mb_patch_branch (mb, pos_rem);
4189 /* wrapper for normal remote calls */
4190 native = mono_marshal_get_remoting_invoke (method);
4191 mono_mb_emit_managed_call (mb, native, mono_method_signature (native));
4192 mono_mb_emit_byte (mb, CEE_RET);
4195 mono_mb_patch_branch (mb, pos);
4196 mono_mb_emit_managed_call (mb, method, mono_method_signature (method));
4197 mono_mb_emit_byte (mb, CEE_RET);
4200 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16);
4206 #endif /* DISABLE_REMOTING */
4210 MonoMethodSignature *sig;
4212 } SignatureMethodPair;
4215 signature_method_pair_hash (gconstpointer data)
4217 SignatureMethodPair *pair = (SignatureMethodPair*)data;
4219 return mono_signature_hash (pair->sig) ^ mono_aligned_addr_hash (pair->method);
4223 signature_method_pair_equal (SignatureMethodPair *pair1, SignatureMethodPair *pair2)
4225 return mono_metadata_signature_equal (pair1->sig, pair2->sig) && (pair1->method == pair2->method);
4229 signature_method_pair_matches_method (gpointer key, gpointer value, gpointer user_data)
4231 SignatureMethodPair *pair = (SignatureMethodPair*)key;
4232 MonoMethod *method = (MonoMethod*)user_data;
4234 return pair->method == method;
4238 free_signature_method_pair (SignatureMethodPair *pair)
4244 mono_marshal_get_delegate_invoke_internal (MonoMethod *method, gboolean callvirt, gboolean static_method_with_first_arg_bound, MonoMethod *target_method)
4246 MonoMethodSignature *sig, *static_sig, *invoke_sig;
4248 MonoMethodBuilder *mb;
4251 gpointer cache_key = NULL;
4252 SignatureMethodPair key;
4253 SignatureMethodPair *new_key;
4254 int local_prev, local_target;
4257 MonoClass *target_class = NULL;
4258 gboolean closed_over_null = FALSE;
4259 MonoGenericContext *ctx = NULL;
4260 MonoGenericContainer *container = NULL;
4261 MonoMethod *orig_method = NULL;
4263 WrapperSubtype subtype = WRAPPER_SUBTYPE_NONE;
4266 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
4267 !strcmp (method->name, "Invoke"));
4269 invoke_sig = sig = mono_signature_no_pinvoke (method);
4272 * If the delegate target is null, and the target method is not static, a virtual
4273 * call is made to that method with the first delegate argument as this. This is
4274 * a non-documented .NET feature.
4277 subtype = WRAPPER_SUBTYPE_DELEGATE_INVOKE_VIRTUAL;
4278 if (target_method->is_inflated) {
4279 MonoType *target_type;
4281 g_assert (method->signature->hasthis);
4282 target_type = mono_class_inflate_generic_type (method->signature->params [0],
4283 mono_method_get_context (method));
4284 target_class = mono_class_from_mono_type (target_type);
4286 target_class = target_method->klass;
4289 closed_over_null = sig->param_count == mono_method_signature (target_method)->param_count;
4292 if (static_method_with_first_arg_bound) {
4293 subtype = WRAPPER_SUBTYPE_DELEGATE_INVOKE_BOUND;
4294 g_assert (!callvirt);
4295 invoke_sig = mono_method_signature (target_method);
4299 * For generic delegates, create a generic wrapper, and return an instance to help AOT.
4301 if (method->is_inflated && subtype == WRAPPER_SUBTYPE_NONE) {
4302 orig_method = method;
4303 ctx = &((MonoMethodInflated*)method)->context;
4304 method = ((MonoMethodInflated*)method)->declaring;
4306 container = mono_method_get_generic_container (method);
4308 container = method->klass->generic_container;
4309 g_assert (container);
4311 invoke_sig = sig = mono_signature_no_pinvoke (method);
4318 cache = get_cache (&method->klass->image->delegate_invoke_generic_cache, mono_aligned_addr_hash, NULL);
4319 res = check_generic_delegate_wrapper_cache (cache, orig_method, method, ctx);
4322 cache_key = method->klass;
4323 } else if (static_method_with_first_arg_bound) {
4324 cache = get_cache (&method->klass->image->delegate_bound_static_invoke_cache,
4325 (GHashFunc)mono_signature_hash,
4326 (GCompareFunc)mono_metadata_signature_equal);
4328 * The wrapper is based on sig+invoke_sig, but sig can be derived from invoke_sig.
4330 res = mono_marshal_find_in_cache (cache, invoke_sig);
4333 cache_key = invoke_sig;
4334 } else if (callvirt) {
4335 GHashTable **cache_ptr;
4337 cache_ptr = &method->klass->image->delegate_abstract_invoke_cache;
4339 /* We need to cache the signature+method pair */
4340 mono_marshal_lock ();
4342 *cache_ptr = g_hash_table_new_full (signature_method_pair_hash, (GEqualFunc)signature_method_pair_equal, (GDestroyNotify)free_signature_method_pair, NULL);
4344 key.sig = invoke_sig;
4345 key.method = target_method;
4346 res = g_hash_table_lookup (cache, &key);
4347 mono_marshal_unlock ();
4351 cache = get_cache (&method->klass->image->delegate_invoke_cache,
4352 (GHashFunc)mono_signature_hash,
4353 (GCompareFunc)mono_metadata_signature_equal);
4354 res = mono_marshal_find_in_cache (cache, sig);
4360 static_sig = signature_dup (method->klass->image, sig);
4361 static_sig->hasthis = 0;
4362 if (!static_method_with_first_arg_bound)
4363 invoke_sig = static_sig;
4365 if (static_method_with_first_arg_bound)
4366 name = mono_signature_to_name (invoke_sig, "invoke_bound");
4367 else if (closed_over_null)
4368 name = mono_signature_to_name (invoke_sig, "invoke_closed_over_null");
4370 name = mono_signature_to_name (invoke_sig, "invoke_callvirt");
4372 name = mono_signature_to_name (invoke_sig, "invoke");
4374 mb = mono_mb_new (method->klass, name, MONO_WRAPPER_DELEGATE_INVOKE);
4376 mb = mono_mb_new (get_wrapper_target_class (method->klass->image), name, MONO_WRAPPER_DELEGATE_INVOKE);
4380 /* allocate local 0 (object) */
4381 local_target = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4382 local_prev = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4384 g_assert (sig->hasthis);
4388 * prev.Invoke( args .. );
4389 * return this.<target>( args .. );
4392 /* this wrapper can be used in unmanaged-managed transitions */
4393 emit_thread_interrupt_checkpoint (mb);
4395 /* get this->prev */
4396 mono_mb_emit_ldarg (mb, 0);
4397 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoMulticastDelegate, prev));
4398 mono_mb_emit_byte (mb, CEE_LDIND_REF);
4399 mono_mb_emit_stloc (mb, local_prev);
4400 mono_mb_emit_ldloc (mb, local_prev);
4402 /* if prev != null */
4403 pos0 = mono_mb_emit_branch (mb, CEE_BRFALSE);
4407 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4408 mono_mb_emit_byte (mb, CEE_MONO_NOT_TAKEN);
4410 mono_mb_emit_ldloc (mb, local_prev);
4411 for (i = 0; i < sig->param_count; i++)
4412 mono_mb_emit_ldarg (mb, i + 1);
4414 mono_mb_emit_op (mb, CEE_CALLVIRT, mono_class_inflate_generic_method (method, &container->context));
4416 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
4417 if (sig->ret->type != MONO_TYPE_VOID)
4418 mono_mb_emit_byte (mb, CEE_POP);
4420 /* continued or prev == null */
4421 mono_mb_patch_branch (mb, pos0);
4423 /* get this->target */
4424 mono_mb_emit_ldarg (mb, 0);
4425 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoDelegate, target));
4426 mono_mb_emit_byte (mb, CEE_LDIND_REF);
4427 mono_mb_emit_stloc (mb, local_target);
4429 /*static methods with bound first arg can have null target and still be bound*/
4430 if (!static_method_with_first_arg_bound) {
4431 /* if target != null */
4432 mono_mb_emit_ldloc (mb, local_target);
4433 pos0 = mono_mb_emit_branch (mb, CEE_BRFALSE);
4435 /* then call this->method_ptr nonstatic */
4438 mono_mb_emit_exception_full (mb, "System", "NotImplementedException", "");
4440 mono_mb_emit_ldloc (mb, local_target);
4441 for (i = 0; i < sig->param_count; ++i)
4442 mono_mb_emit_ldarg (mb, i + 1);
4443 mono_mb_emit_ldarg (mb, 0);
4444 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoDelegate, method_ptr));
4445 mono_mb_emit_byte (mb, CEE_LDIND_I );
4446 mono_mb_emit_op (mb, CEE_CALLI, sig);
4448 mono_mb_emit_byte (mb, CEE_RET);
4451 /* else [target == null] call this->method_ptr static */
4452 mono_mb_patch_branch (mb, pos0);
4456 if (!closed_over_null) {
4457 mono_mb_emit_ldarg (mb, 1);
4458 mono_mb_emit_op (mb, CEE_CASTCLASS, target_class);
4459 for (i = 1; i < sig->param_count; ++i)
4460 mono_mb_emit_ldarg (mb, i + 1);
4461 mono_mb_emit_op (mb, CEE_CALLVIRT, target_method);
4463 mono_mb_emit_byte (mb, CEE_LDNULL);
4464 for (i = 0; i < sig->param_count; ++i)
4465 mono_mb_emit_ldarg (mb, i + 1);
4466 mono_mb_emit_op (mb, CEE_CALL, target_method);
4469 if (static_method_with_first_arg_bound) {
4470 mono_mb_emit_ldloc (mb, local_target);
4471 if (!MONO_TYPE_IS_REFERENCE (invoke_sig->params[0]))
4472 mono_mb_emit_op (mb, CEE_UNBOX_ANY, mono_class_from_mono_type (invoke_sig->params[0]));
4474 for (i = 0; i < sig->param_count; ++i)
4475 mono_mb_emit_ldarg (mb, i + 1);
4476 mono_mb_emit_ldarg (mb, 0);
4477 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoDelegate, method_ptr));
4478 mono_mb_emit_byte (mb, CEE_LDIND_I );
4479 mono_mb_emit_op (mb, CEE_CALLI, invoke_sig);
4482 mono_mb_emit_byte (mb, CEE_RET);
4484 mb->skip_visibility = 1;
4485 #endif /* DISABLE_JIT */
4490 def = mono_mb_create_and_cache (cache, cache_key, mb, sig, sig->param_count + 16);
4491 res = cache_generic_delegate_wrapper (cache, orig_method, def, ctx);
4492 } else if (callvirt) {
4493 new_key = g_new0 (SignatureMethodPair, 1);
4496 info = mono_wrapper_info_create (mb, subtype);
4498 res = mono_mb_create_and_cache_full (cache, new_key, mb, sig, sig->param_count + 16, info, &found);
4502 info = mono_wrapper_info_create (mb, subtype);
4504 res = mono_mb_create_and_cache_full (cache, cache_key, mb, sig, sig->param_count + 16, info, NULL);
4512 * the returned method invokes all methods in a multicast delegate.
4515 mono_marshal_get_delegate_invoke (MonoMethod *method, MonoDelegate *del)
4517 gboolean callvirt = FALSE;
4518 gboolean static_method_with_first_arg_bound = FALSE;
4519 MonoMethod *target_method = NULL;
4520 MonoMethodSignature *sig;
4522 sig = mono_signature_no_pinvoke (method);
4524 if (del && !del->target && del->method && mono_method_signature (del->method)->hasthis) {
4526 target_method = del->method;
4529 if (del && del->method && mono_method_signature (del->method)->param_count == sig->param_count + 1 && (del->method->flags & METHOD_ATTRIBUTE_STATIC)) {
4530 static_method_with_first_arg_bound = TRUE;
4531 target_method = del->method;
4534 return mono_marshal_get_delegate_invoke_internal (method, callvirt, static_method_with_first_arg_bound, target_method);
4538 * signature_dup_add_this:
4540 * Make a copy of @sig, adding an explicit this argument.
4542 static MonoMethodSignature*
4543 signature_dup_add_this (MonoImage *image, MonoMethodSignature *sig, MonoClass *klass)
4545 MonoMethodSignature *res;
4548 res = mono_metadata_signature_alloc (image, sig->param_count + 1);
4549 memcpy (res, sig, MONO_SIZEOF_METHOD_SIGNATURE);
4550 res->param_count = sig->param_count + 1;
4551 res->hasthis = FALSE;
4552 for (i = sig->param_count - 1; i >= 0; i --)
4553 res->params [i + 1] = sig->params [i];
4554 res->params [0] = klass->valuetype ? &klass->this_arg : &klass->byval_arg;
4560 MonoMethodSignature *ctor_sig;
4561 MonoMethodSignature *sig;
4564 /* protected by the marshal lock, contains CtorSigPair pointers */
4565 static GSList *strsig_list = NULL;
4567 static MonoMethodSignature *
4568 lookup_string_ctor_signature (MonoMethodSignature *sig)
4570 MonoMethodSignature *callsig;
4574 mono_marshal_lock ();
4576 for (item = strsig_list; item; item = item->next) {
4578 /* mono_metadata_signature_equal () is safe to call with the marshal lock
4579 * because it is lock-free.
4581 if (mono_metadata_signature_equal (sig, cs->ctor_sig)) {
4586 mono_marshal_unlock ();
4590 static MonoMethodSignature *
4591 add_string_ctor_signature (MonoMethod *method)
4593 MonoMethodSignature *callsig;
4596 callsig = signature_dup (method->klass->image, mono_method_signature (method));
4597 callsig->ret = &mono_defaults.string_class->byval_arg;
4598 cs = g_new (CtorSigPair, 1);
4600 cs->ctor_sig = mono_method_signature (method);
4602 mono_marshal_lock ();
4603 strsig_list = g_slist_prepend (strsig_list, cs);
4604 mono_marshal_unlock ();
4609 * mono_marshal_get_string_ctor_signature:
4611 * Return the modified signature used by string ctors (they return the newly created
4614 MonoMethodSignature*
4615 mono_marshal_get_string_ctor_signature (MonoMethod *method)
4617 MonoMethodSignature *sig = lookup_string_ctor_signature (mono_method_signature (method));
4619 sig = add_string_ctor_signature (method);
4625 get_runtime_invoke_type (MonoType *t, gboolean ret)
4628 if (t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t)))
4630 /* Can't share this with 'I' as that needs another indirection */
4631 return &mono_defaults.int_class->this_arg;
4634 if (MONO_TYPE_IS_REFERENCE (t))
4635 return &mono_defaults.object_class->byval_arg;
4638 /* The result needs to be boxed */
4643 /* Can't share these as the argument needs to be loaded using sign/zero extension */
4646 return &mono_defaults.sbyte_class->byval_arg;
4648 return &mono_defaults.int16_class->byval_arg;
4650 return &mono_defaults.int32_class->byval_arg;
4653 return &mono_defaults.int64_class->byval_arg;
4654 case MONO_TYPE_BOOLEAN:
4655 return &mono_defaults.byte_class->byval_arg;
4656 case MONO_TYPE_CHAR:
4657 return &mono_defaults.uint16_class->byval_arg;
4660 return &mono_defaults.int_class->byval_arg;
4661 case MONO_TYPE_VALUETYPE:
4662 if (t->data.klass->enumtype) {
4663 t = mono_class_enum_basetype (t->data.klass);
4673 * mono_marshal_get_runtime_invoke_sig:
4675 * Return a common signature used for sharing runtime invoke wrappers.
4677 static MonoMethodSignature*
4678 mono_marshal_get_runtime_invoke_sig (MonoMethodSignature *sig)
4680 MonoMethodSignature *res = mono_metadata_signature_dup (sig);
4683 res->generic_param_count = 0;
4684 res->ret = get_runtime_invoke_type (sig->ret, TRUE);
4685 for (i = 0; i < res->param_count; ++i)
4686 res->params [i] = get_runtime_invoke_type (sig->params [i], FALSE);
4692 runtime_invoke_signature_equal (MonoMethodSignature *sig1, MonoMethodSignature *sig2)
4694 /* Can't share wrappers which return a vtype since it needs to be boxed */
4695 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))
4698 return mono_metadata_signature_equal (sig1, sig2);
4706 * Emit the call to the wrapper method from a runtime invoke wrapper.
4709 emit_invoke_call (MonoMethodBuilder *mb, MonoMethod *method,
4710 MonoMethodSignature *sig, MonoMethodSignature *callsig,
4712 gboolean virtual, gboolean need_direct_wrapper)
4714 static MonoString *string_dummy = NULL;
4716 int *tmp_nullable_locals;
4717 gboolean void_ret = FALSE;
4719 /* to make it work with our special string constructors */
4720 if (!string_dummy) {
4721 MONO_GC_REGISTER_ROOT_SINGLE (string_dummy);
4722 string_dummy = mono_string_new_wrapper ("dummy");
4726 g_assert (sig->hasthis);
4727 g_assert (method->flags & METHOD_ATTRIBUTE_VIRTUAL);
4731 if (method->string_ctor) {
4732 if (mono_gc_is_moving ()) {
4733 mono_mb_emit_ptr (mb, &string_dummy);
4734 mono_mb_emit_byte (mb, CEE_LDIND_REF);
4736 mono_mb_emit_ptr (mb, string_dummy);
4739 mono_mb_emit_ldarg (mb, 0);
4743 tmp_nullable_locals = g_new0 (int, sig->param_count);
4745 for (i = 0; i < sig->param_count; i++) {
4746 MonoType *t = sig->params [i];
4749 mono_mb_emit_ldarg (mb, 1);
4751 mono_mb_emit_icon (mb, sizeof (gpointer) * i);
4752 mono_mb_emit_byte (mb, CEE_ADD);
4756 mono_mb_emit_byte (mb, CEE_LDIND_I);
4757 /* A Nullable<T> type don't have a boxed form, it's either null or a boxed T.
4758 * So to make this work we unbox it to a local variablee and push a reference to that.
4760 if (t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t))) {
4761 tmp_nullable_locals [i] = mono_mb_add_local (mb, &mono_class_from_mono_type (t)->byval_arg);
4763 mono_mb_emit_op (mb, CEE_UNBOX_ANY, mono_class_from_mono_type (t));
4764 mono_mb_emit_stloc (mb, tmp_nullable_locals [i]);
4765 mono_mb_emit_ldloc_addr (mb, tmp_nullable_locals [i]);
4770 /*FIXME 'this doesn't handle generic enums. Shouldn't we?*/
4771 type = sig->params [i]->type;
4775 case MONO_TYPE_BOOLEAN:
4779 case MONO_TYPE_CHAR:
4788 mono_mb_emit_byte (mb, CEE_LDIND_I);
4789 mono_mb_emit_byte (mb, mono_type_to_ldind (sig->params [i]));
4791 case MONO_TYPE_STRING:
4792 case MONO_TYPE_CLASS:
4793 case MONO_TYPE_ARRAY:
4795 case MONO_TYPE_SZARRAY:
4796 case MONO_TYPE_OBJECT:
4797 mono_mb_emit_byte (mb, mono_type_to_ldind (sig->params [i]));
4799 case MONO_TYPE_GENERICINST:
4800 if (!mono_type_generic_inst_is_valuetype (sig->params [i])) {
4801 mono_mb_emit_byte (mb, mono_type_to_ldind (sig->params [i]));
4806 case MONO_TYPE_VALUETYPE:
4807 if (type == MONO_TYPE_VALUETYPE && t->data.klass->enumtype) {
4808 type = mono_class_enum_basetype (t->data.klass)->type;
4811 mono_mb_emit_byte (mb, CEE_LDIND_I);
4812 if (mono_class_is_nullable (mono_class_from_mono_type (sig->params [i]))) {
4813 /* Need to convert a boxed vtype to an mp to a Nullable struct */
4814 mono_mb_emit_op (mb, CEE_UNBOX, mono_class_from_mono_type (sig->params [i]));
4815 mono_mb_emit_op (mb, CEE_LDOBJ, mono_class_from_mono_type (sig->params [i]));
4817 mono_mb_emit_op (mb, CEE_LDOBJ, mono_class_from_mono_type (sig->params [i]));
4821 g_assert_not_reached ();
4826 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
4827 } else if (need_direct_wrapper) {
4828 mono_mb_emit_op (mb, CEE_CALL, method);
4830 mono_mb_emit_ldarg (mb, 3);
4831 mono_mb_emit_calli (mb, callsig);
4834 if (sig->ret->byref) {
4836 g_assert_not_reached ();
4839 switch (sig->ret->type) {
4840 case MONO_TYPE_VOID:
4841 if (!method->string_ctor)
4844 case MONO_TYPE_BOOLEAN:
4845 case MONO_TYPE_CHAR:
4858 case MONO_TYPE_VALUETYPE:
4859 case MONO_TYPE_TYPEDBYREF:
4860 case MONO_TYPE_GENERICINST:
4861 /* box value types */
4862 mono_mb_emit_op (mb, CEE_BOX, mono_class_from_mono_type (sig->ret));
4864 case MONO_TYPE_STRING:
4865 case MONO_TYPE_CLASS:
4866 case MONO_TYPE_ARRAY:
4867 case MONO_TYPE_SZARRAY:
4868 case MONO_TYPE_OBJECT:
4872 /* The result is an IntPtr */
4873 mono_mb_emit_op (mb, CEE_BOX, mono_defaults.int_class);
4876 g_assert_not_reached ();
4880 mono_mb_emit_stloc (mb, loc_res);
4882 /* Convert back nullable-byref arguments */
4883 for (i = 0; i < sig->param_count; i++) {
4884 MonoType *t = sig->params [i];
4887 * Box the result and put it back into the array, the caller will have
4888 * to obtain it from there.
4890 if (t->byref && t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t))) {
4891 mono_mb_emit_ldarg (mb, 1);
4892 mono_mb_emit_icon (mb, sizeof (gpointer) * i);
4893 mono_mb_emit_byte (mb, CEE_ADD);
4895 mono_mb_emit_ldloc (mb, tmp_nullable_locals [i]);
4896 mono_mb_emit_op (mb, CEE_BOX, mono_class_from_mono_type (t));
4898 mono_mb_emit_byte (mb, CEE_STIND_REF);
4902 g_free (tmp_nullable_locals);
4906 emit_runtime_invoke_body (MonoMethodBuilder *mb, MonoClass *target_klass, MonoMethod *method,
4907 MonoMethodSignature *sig, MonoMethodSignature *callsig,
4908 gboolean virtual, gboolean need_direct_wrapper)
4911 MonoExceptionClause *clause;
4912 int loc_res, loc_exc;
4914 /* The wrapper looks like this:
4920 * } catch (Exception e) {
4928 /* allocate local 0 (object) tmp */
4929 loc_res = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4930 /* allocate local 1 (object) exc */
4931 loc_exc = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4933 /* *exc is assumed to be initialized to NULL by the caller */
4935 mono_mb_emit_byte (mb, CEE_LDARG_2);
4936 labels [0] = mono_mb_emit_branch (mb, CEE_BRFALSE);
4941 labels [1] = mono_mb_get_label (mb);
4942 emit_thread_force_interrupt_checkpoint (mb);
4943 emit_invoke_call (mb, method, sig, callsig, loc_res, virtual, need_direct_wrapper);
4945 labels [2] = mono_mb_emit_branch (mb, CEE_LEAVE);
4947 /* Add a try clause around the call */
4948 clause = mono_image_alloc0 (target_klass->image, sizeof (MonoExceptionClause));
4949 clause->flags = MONO_EXCEPTION_CLAUSE_NONE;
4950 clause->data.catch_class = mono_defaults.exception_class;
4951 clause->try_offset = labels [1];
4952 clause->try_len = mono_mb_get_label (mb) - labels [1];
4954 clause->handler_offset = mono_mb_get_label (mb);
4957 mono_mb_emit_stloc (mb, loc_exc);
4958 mono_mb_emit_byte (mb, CEE_LDARG_2);
4959 mono_mb_emit_ldloc (mb, loc_exc);
4960 mono_mb_emit_byte (mb, CEE_STIND_REF);
4962 mono_mb_emit_branch (mb, CEE_LEAVE);
4964 clause->handler_len = mono_mb_get_pos (mb) - clause->handler_offset;
4966 mono_mb_set_clauses (mb, 1, clause);
4968 mono_mb_patch_branch (mb, labels [2]);
4969 mono_mb_emit_ldloc (mb, loc_res);
4970 mono_mb_emit_byte (mb, CEE_RET);
4975 mono_mb_patch_branch (mb, labels [0]);
4976 emit_thread_force_interrupt_checkpoint (mb);
4977 emit_invoke_call (mb, method, sig, callsig, loc_res, virtual, need_direct_wrapper);
4979 mono_mb_emit_ldloc (mb, 0);
4980 mono_mb_emit_byte (mb, CEE_RET);
4985 * generates IL code for the runtime invoke function
4986 * MonoObject *runtime_invoke (MonoObject *this, void **params, MonoObject **exc, void* method)
4988 * we also catch exceptions if exc != null
4989 * If VIRTUAL is TRUE, then METHOD is invoked virtually on THIS. This is useful since
4990 * it means that the compiled code for METHOD does not have to be looked up
4991 * before calling the runtime invoke wrapper. In this case, the wrapper ignores
4992 * its METHOD argument.
4995 mono_marshal_get_runtime_invoke (MonoMethod *method, gboolean virtual)
4997 MonoMethodSignature *sig, *csig, *callsig;
4998 MonoMethodBuilder *mb;
4999 GHashTable *cache = NULL;
5000 MonoClass *target_klass;
5001 MonoMethod *res = NULL;
5002 static MonoMethodSignature *cctor_signature = NULL;
5003 static MonoMethodSignature *finalize_signature = NULL;
5005 const char *param_names [16];
5006 gboolean need_direct_wrapper = FALSE;
5011 if (!cctor_signature) {
5012 cctor_signature = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
5013 cctor_signature->ret = &mono_defaults.void_class->byval_arg;
5015 if (!finalize_signature) {
5016 finalize_signature = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
5017 finalize_signature->ret = &mono_defaults.void_class->byval_arg;
5018 finalize_signature->hasthis = 1;
5022 need_direct_wrapper = TRUE;
5025 * Use a separate cache indexed by methods to speed things up and to avoid the
5026 * boundless mempool growth caused by the signature_dup stuff below.
5029 cache = get_cache (&method->klass->image->runtime_invoke_vcall_cache, mono_aligned_addr_hash, NULL);
5031 cache = get_cache (&method->klass->image->runtime_invoke_direct_cache, mono_aligned_addr_hash, NULL);
5032 res = mono_marshal_find_in_cache (cache, method);
5036 if (method->klass->rank && (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
5037 (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)) {
5039 * Array Get/Set/Address methods. The JIT implements them using inline code
5040 * so we need to create an invoke wrapper which calls the method directly.
5042 need_direct_wrapper = TRUE;
5045 if (method->string_ctor) {
5046 callsig = lookup_string_ctor_signature (mono_method_signature (method));
5048 callsig = add_string_ctor_signature (method);
5049 /* Can't share this as we push a string as this */
5050 need_direct_wrapper = TRUE;
5052 if (method_is_dynamic (method))
5053 callsig = signature_dup (method->klass->image, mono_method_signature (method));
5055 callsig = mono_method_signature (method);
5058 target_klass = get_wrapper_target_class (method->klass->image);
5060 /* Try to share wrappers for non-corlib methods with simple signatures */
5061 if (mono_metadata_signature_equal (callsig, cctor_signature)) {
5062 callsig = cctor_signature;
5063 target_klass = mono_defaults.object_class;
5064 } else if (mono_metadata_signature_equal (callsig, finalize_signature)) {
5065 callsig = finalize_signature;
5066 target_klass = mono_defaults.object_class;
5069 if (need_direct_wrapper) {
5070 /* Already searched at the start */
5072 MonoMethodSignature *tmp_sig;
5074 callsig = mono_marshal_get_runtime_invoke_sig (callsig);
5076 if (method->klass->valuetype && mono_method_signature (method)->hasthis)
5077 /* These have a different csig */
5078 cache = get_cache (&target_klass->image->runtime_invoke_vtype_cache,
5079 (GHashFunc)mono_signature_hash,
5080 (GCompareFunc)runtime_invoke_signature_equal);
5082 cache = get_cache (&target_klass->image->runtime_invoke_cache,
5083 (GHashFunc)mono_signature_hash,
5084 (GCompareFunc)runtime_invoke_signature_equal);
5086 /* from mono_marshal_find_in_cache */
5087 mono_marshal_lock ();
5088 res = g_hash_table_lookup (cache, callsig);
5089 mono_marshal_unlock ();
5096 /* Make a copy of the signature from the image mempool */
5098 callsig = mono_metadata_signature_dup_full (target_klass->image, callsig);
5102 sig = mono_method_signature (method);
5104 csig = mono_metadata_signature_alloc (target_klass->image, 4);
5106 csig->ret = &mono_defaults.object_class->byval_arg;
5107 if (method->klass->valuetype && mono_method_signature (method)->hasthis)
5108 csig->params [0] = get_runtime_invoke_type (&method->klass->this_arg, FALSE);
5110 csig->params [0] = &mono_defaults.object_class->byval_arg;
5111 csig->params [1] = &mono_defaults.int_class->byval_arg;
5112 csig->params [2] = &mono_defaults.int_class->byval_arg;
5113 csig->params [3] = &mono_defaults.int_class->byval_arg;
5116 /* This is called from runtime code so it has to be cdecl */
5117 csig->call_convention = MONO_CALL_C;
5120 name = mono_signature_to_name (callsig, virtual ? "runtime_invoke_virtual" : "runtime_invoke");
5121 mb = mono_mb_new (target_klass, name, MONO_WRAPPER_RUNTIME_INVOKE);
5125 param_names [0] = "this";
5126 param_names [1] = "params";
5127 param_names [2] = "exc";
5128 param_names [3] = "method";
5129 mono_mb_set_param_names (mb, param_names);
5131 emit_runtime_invoke_body (mb, target_klass, method, sig, callsig, virtual, need_direct_wrapper);
5134 if (need_direct_wrapper) {
5136 mb->skip_visibility = 1;
5138 info = mono_wrapper_info_create (mb, virtual ? WRAPPER_SUBTYPE_RUNTIME_INVOKE_VIRTUAL : WRAPPER_SUBTYPE_RUNTIME_INVOKE_DIRECT);
5139 info->d.runtime_invoke.method = method;
5140 res = mono_mb_create_and_cache_full (cache, method, mb, csig, sig->param_count + 16, info, NULL);
5142 /* taken from mono_mb_create_and_cache */
5143 mono_marshal_lock ();
5144 res = g_hash_table_lookup (cache, callsig);
5145 mono_marshal_unlock ();
5147 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_RUNTIME_INVOKE_NORMAL);
5148 info->d.runtime_invoke.sig = callsig;
5150 /* Somebody may have created it before us */
5153 newm = mono_mb_create (mb, csig, sig->param_count + 16, info);
5155 mono_marshal_lock ();
5156 res = g_hash_table_lookup (cache, callsig);
5159 g_hash_table_insert (cache, callsig, res);
5160 /* Can't insert it into wrapper_hash since the key is a signature */
5161 g_hash_table_insert (method->klass->image->runtime_invoke_direct_cache, method, res);
5163 mono_free_method (newm);
5165 mono_marshal_unlock ();
5168 /* end mono_mb_create_and_cache */
5177 * mono_marshal_get_runtime_invoke_dynamic:
5179 * Return a method which can be used to invoke managed methods from native code
5181 * The signature of the returned method is given by RuntimeInvokeDynamicFunction:
5182 * void runtime_invoke (void *args, MonoObject **exc, void *compiled_method)
5183 * ARGS should point to an architecture specific structure containing
5184 * the arguments and space for the return value.
5185 * The other arguments are the same as for runtime_invoke (), except that
5186 * ARGS should contain the this argument too.
5187 * This wrapper serves the same purpose as the runtime-invoke wrappers, but there
5188 * is only one copy of it, which is useful in full-aot.
5189 * The wrapper info for the wrapper is a WrapperInfo structure.
5192 mono_marshal_get_runtime_invoke_dynamic (void)
5194 static MonoMethod *method;
5195 MonoMethodSignature *csig;
5196 MonoExceptionClause *clause;
5197 MonoMethodBuilder *mb;
5205 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
5207 csig->ret = &mono_defaults.void_class->byval_arg;
5208 csig->params [0] = &mono_defaults.int_class->byval_arg;
5209 csig->params [1] = &mono_defaults.int_class->byval_arg;
5210 csig->params [2] = &mono_defaults.int_class->byval_arg;
5211 csig->params [3] = &mono_defaults.int_class->byval_arg;
5213 name = g_strdup ("runtime_invoke_dynamic");
5214 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_RUNTIME_INVOKE);
5218 /* allocate local 0 (object) tmp */
5219 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
5220 /* allocate local 1 (object) exc */
5221 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
5223 /* cond set *exc to null */
5224 mono_mb_emit_byte (mb, CEE_LDARG_1);
5225 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
5226 mono_mb_emit_byte (mb, 3);
5227 mono_mb_emit_byte (mb, CEE_LDARG_1);
5228 mono_mb_emit_byte (mb, CEE_LDNULL);
5229 mono_mb_emit_byte (mb, CEE_STIND_REF);
5231 emit_thread_force_interrupt_checkpoint (mb);
5233 mono_mb_emit_byte (mb, CEE_LDARG_0);
5234 mono_mb_emit_byte (mb, CEE_LDARG_2);
5235 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5236 mono_mb_emit_byte (mb, CEE_MONO_DYN_CALL);
5238 pos = mono_mb_emit_branch (mb, CEE_LEAVE);
5240 clause = mono_image_alloc0 (mono_defaults.corlib, sizeof (MonoExceptionClause));
5241 clause->flags = MONO_EXCEPTION_CLAUSE_FILTER;
5242 clause->try_len = mono_mb_get_label (mb);
5245 clause->data.filter_offset = mono_mb_get_label (mb);
5247 mono_mb_emit_byte (mb, CEE_POP);
5248 mono_mb_emit_byte (mb, CEE_LDARG_1);
5249 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
5250 mono_mb_emit_byte (mb, CEE_PREFIX1);
5251 mono_mb_emit_byte (mb, CEE_CGT_UN);
5252 mono_mb_emit_byte (mb, CEE_PREFIX1);
5253 mono_mb_emit_byte (mb, CEE_ENDFILTER);
5255 clause->handler_offset = mono_mb_get_label (mb);
5258 /* store exception */
5259 mono_mb_emit_stloc (mb, 1);
5261 mono_mb_emit_byte (mb, CEE_LDARG_1);
5262 mono_mb_emit_ldloc (mb, 1);
5263 mono_mb_emit_byte (mb, CEE_STIND_REF);
5265 mono_mb_emit_byte (mb, CEE_LDNULL);
5266 mono_mb_emit_stloc (mb, 0);
5268 /* Check for the abort exception */
5269 mono_mb_emit_ldloc (mb, 1);
5270 mono_mb_emit_op (mb, CEE_ISINST, mono_defaults.threadabortexception_class);
5271 posna = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
5273 /* Delay the abort exception */
5274 mono_mb_emit_icall (mb, ves_icall_System_Threading_Thread_ResetAbort);
5276 mono_mb_patch_short_branch (mb, posna);
5277 mono_mb_emit_branch (mb, CEE_LEAVE);
5279 clause->handler_len = mono_mb_get_pos (mb) - clause->handler_offset;
5281 mono_mb_set_clauses (mb, 1, clause);
5284 mono_mb_patch_branch (mb, pos);
5285 //mono_mb_emit_ldloc (mb, 0);
5286 mono_mb_emit_byte (mb, CEE_RET);
5287 #endif /* DISABLE_JIT */
5289 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_RUNTIME_INVOKE_DYNAMIC);
5291 mono_marshal_lock ();
5292 /* double-checked locking */
5294 method = mono_mb_create (mb, csig, 16, info);
5296 mono_marshal_unlock ();
5305 mono_mb_emit_auto_layout_exception (MonoMethodBuilder *mb, MonoClass *klass)
5307 char *msg = g_strdup_printf ("The type `%s.%s' layout needs to be Sequential or Explicit",
5308 klass->name_space, klass->name);
5310 mono_mb_emit_exception_marshal_directive (mb, msg);
5314 #ifndef DISABLE_REMOTING
5316 * mono_marshal_get_ldfld_remote_wrapper:
5317 * @klass: The return type
5319 * This method generates a wrapper for calling mono_load_remote_field_new.
5320 * The return type is ignored for now, as mono_load_remote_field_new () always
5321 * returns an object. In the future, to optimize some codepaths, we might
5322 * call a different function that takes a pointer to a valuetype, instead.
5325 mono_marshal_get_ldfld_remote_wrapper (MonoClass *klass)
5327 MonoMethodSignature *sig, *csig;
5328 MonoMethodBuilder *mb;
5330 static MonoMethod* cached = NULL;
5332 mono_marshal_lock ();
5334 mono_marshal_unlock ();
5337 mono_marshal_unlock ();
5339 mb = mono_mb_new_no_dup_name (mono_defaults.object_class, "__mono_load_remote_field_new_wrapper", MONO_WRAPPER_LDFLD_REMOTE);
5341 mb->method->save_lmf = 1;
5343 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
5344 sig->params [0] = &mono_defaults.object_class->byval_arg;
5345 sig->params [1] = &mono_defaults.int_class->byval_arg;
5346 sig->params [2] = &mono_defaults.int_class->byval_arg;
5347 sig->ret = &mono_defaults.object_class->byval_arg;
5350 mono_mb_emit_ldarg (mb, 0);
5351 mono_mb_emit_ldarg (mb, 1);
5352 mono_mb_emit_ldarg (mb, 2);
5354 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
5355 csig->params [0] = &mono_defaults.object_class->byval_arg;
5356 csig->params [1] = &mono_defaults.int_class->byval_arg;
5357 csig->params [2] = &mono_defaults.int_class->byval_arg;
5358 csig->ret = &mono_defaults.object_class->byval_arg;
5361 mono_mb_emit_native_call (mb, csig, mono_load_remote_field_new);
5362 emit_thread_interrupt_checkpoint (mb);
5364 mono_mb_emit_byte (mb, CEE_RET);
5367 mono_marshal_lock ();
5369 mono_marshal_unlock ();
5372 newm = mono_mb_create (mb, sig, 4, NULL);
5373 mono_marshal_lock ();
5378 mono_marshal_unlock ();
5380 mono_marshal_unlock ();
5381 mono_free_method (newm);
5390 * mono_marshal_get_ldfld_wrapper:
5391 * @type: the type of the field
5393 * This method generates a function which can be use to load a field with type
5394 * @type from an object. The generated function has the following signature:
5395 * <@type> ldfld_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset)
5398 mono_marshal_get_ldfld_wrapper (MonoType *type)
5400 MonoMethodSignature *sig;
5401 MonoMethodBuilder *mb;
5407 int t, pos0, pos1 = 0;
5409 type = mono_type_get_underlying_type (type);
5414 if (type->type == MONO_TYPE_SZARRAY) {
5415 klass = mono_defaults.array_class;
5416 } else if (type->type == MONO_TYPE_VALUETYPE) {
5417 klass = type->data.klass;
5418 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING) {
5419 klass = mono_defaults.object_class;
5420 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
5421 klass = mono_defaults.int_class;
5422 } else if (t == MONO_TYPE_GENERICINST) {
5423 if (mono_type_generic_inst_is_valuetype (type))
5424 klass = mono_class_from_mono_type (type);
5426 klass = mono_defaults.object_class;
5428 klass = mono_class_from_mono_type (type);
5431 klass = mono_defaults.int_class;
5434 cache = get_cache (&klass->image->ldfld_wrapper_cache, mono_aligned_addr_hash, NULL);
5435 if ((res = mono_marshal_find_in_cache (cache, klass)))
5438 /* we add the %p pointer value of klass because class names are not unique */
5439 name = g_strdup_printf ("__ldfld_wrapper_%p_%s.%s", klass, klass->name_space, klass->name);
5440 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_LDFLD);
5443 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
5444 sig->params [0] = &mono_defaults.object_class->byval_arg;
5445 sig->params [1] = &mono_defaults.int_class->byval_arg;
5446 sig->params [2] = &mono_defaults.int_class->byval_arg;
5447 sig->params [3] = &mono_defaults.int_class->byval_arg;
5448 sig->ret = &klass->byval_arg;
5451 mono_mb_emit_ldarg (mb, 0);
5452 pos0 = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
5454 mono_mb_emit_ldarg (mb, 0);
5455 mono_mb_emit_ldarg (mb, 1);
5456 mono_mb_emit_ldarg (mb, 2);
5458 mono_mb_emit_managed_call (mb, mono_marshal_get_ldfld_remote_wrapper (klass), NULL);
5461 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
5462 csig->params [0] = &mono_defaults.object_class->byval_arg;
5463 csig->params [1] = &mono_defaults.int_class->byval_arg;
5464 csig->params [2] = &mono_defaults.int_class->byval_arg;
5465 csig->ret = &klass->this_arg;
5468 mono_mb_emit_native_call (mb, csig, mono_load_remote_field_new);
5469 emit_thread_interrupt_checkpoint (mb);
5472 if (klass->valuetype) {
5473 mono_mb_emit_op (mb, CEE_UNBOX, klass);
5474 pos1 = mono_mb_emit_branch (mb, CEE_BR);
5476 mono_mb_emit_byte (mb, CEE_RET);
5480 mono_mb_patch_branch (mb, pos0);
5482 mono_mb_emit_ldarg (mb, 0);
5483 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5484 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
5485 mono_mb_emit_ldarg (mb, 3);
5486 mono_mb_emit_byte (mb, CEE_ADD);
5488 if (klass->valuetype)
5489 mono_mb_patch_branch (mb, pos1);
5494 case MONO_TYPE_BOOLEAN:
5495 case MONO_TYPE_CHAR:
5504 case MONO_TYPE_ARRAY:
5505 case MONO_TYPE_SZARRAY:
5506 case MONO_TYPE_OBJECT:
5507 case MONO_TYPE_CLASS:
5508 case MONO_TYPE_STRING:
5512 case MONO_TYPE_FNPTR:
5513 mono_mb_emit_byte (mb, mono_type_to_ldind (type));
5515 case MONO_TYPE_VALUETYPE:
5516 g_assert (!klass->enumtype);
5517 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
5519 case MONO_TYPE_GENERICINST:
5520 if (mono_type_generic_inst_is_valuetype (type)) {
5521 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
5523 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5527 case MONO_TYPE_MVAR:
5528 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
5531 g_warning ("type %x not implemented", type->type);
5532 g_assert_not_reached ();
5535 mono_mb_emit_byte (mb, CEE_RET);
5536 #endif /* DISABLE_JIT */
5538 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NONE);
5539 info->d.proxy.klass = klass;
5540 res = mono_mb_create_and_cache_full (cache, klass,
5541 mb, sig, sig->param_count + 16, info, NULL);
5548 * mono_marshal_get_ldflda_wrapper:
5549 * @type: the type of the field
5551 * This method generates a function which can be used to load a field address
5552 * from an object. The generated function has the following signature:
5553 * gpointer ldflda_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset);
5556 mono_marshal_get_ldflda_wrapper (MonoType *type)
5558 MonoMethodSignature *sig;
5559 MonoMethodBuilder *mb;
5565 int t, pos0, pos1, pos2, pos3;
5567 type = mono_type_get_underlying_type (type);
5571 if (type->type == MONO_TYPE_SZARRAY) {
5572 klass = mono_defaults.array_class;
5573 } else if (type->type == MONO_TYPE_VALUETYPE) {
5574 klass = type->data.klass;
5575 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING ||
5576 t == MONO_TYPE_CLASS) {
5577 klass = mono_defaults.object_class;
5578 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
5579 klass = mono_defaults.int_class;
5580 } else if (t == MONO_TYPE_GENERICINST) {
5581 if (mono_type_generic_inst_is_valuetype (type))
5582 klass = mono_class_from_mono_type (type);
5584 klass = mono_defaults.object_class;
5586 klass = mono_class_from_mono_type (type);
5589 klass = mono_defaults.int_class;
5592 cache = get_cache (&klass->image->ldflda_wrapper_cache, mono_aligned_addr_hash, NULL);
5593 if ((res = mono_marshal_find_in_cache (cache, klass)))
5596 /* we add the %p pointer value of klass because class names are not unique */
5597 name = g_strdup_printf ("__ldflda_wrapper_%p_%s.%s", klass, klass->name_space, klass->name);
5598 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_LDFLDA);
5601 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
5602 sig->params [0] = &mono_defaults.object_class->byval_arg;
5603 sig->params [1] = &mono_defaults.int_class->byval_arg;
5604 sig->params [2] = &mono_defaults.int_class->byval_arg;
5605 sig->params [3] = &mono_defaults.int_class->byval_arg;
5606 sig->ret = &mono_defaults.int_class->byval_arg;
5609 /* if typeof (this) != transparent_proxy goto pos0 */
5610 mono_mb_emit_ldarg (mb, 0);
5611 pos0 = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
5613 /* if same_appdomain goto pos1 */
5614 mono_mb_emit_ldarg (mb, 0);
5615 pos1 = mono_mb_emit_xdomain_check (mb, CEE_BEQ);
5617 mono_mb_emit_exception_full (mb, "System", "InvalidOperationException", "Attempt to load field address from object in another appdomain.");
5619 /* same app domain */
5620 mono_mb_patch_branch (mb, pos1);
5622 /* if typeof (this) != contextbound goto pos2 */
5623 mono_mb_emit_ldarg (mb, 0);
5624 pos2 = mono_mb_emit_contextbound_check (mb, CEE_BEQ);
5626 /* if this->rp->context == mono_context_get goto pos3 */
5627 mono_mb_emit_ldarg (mb, 0);
5628 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoTransparentProxy, rp));
5629 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5630 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoRealProxy, context));
5631 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5632 mono_mb_emit_icall (mb, mono_context_get);
5633 pos3 = mono_mb_emit_branch (mb, CEE_BEQ);
5635 mono_mb_emit_exception_full (mb, "System", "InvalidOperationException", "Attempt to load field address from object in another context.");
5637 mono_mb_patch_branch (mb, pos2);
5638 mono_mb_patch_branch (mb, pos3);
5640 /* return the address of the field from this->rp->unwrapped_server */
5641 mono_mb_emit_ldarg (mb, 0);
5642 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoTransparentProxy, rp));
5643 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5644 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoRealProxy, unwrapped_server));
5645 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5646 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5647 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
5648 mono_mb_emit_ldarg (mb, 3);
5649 mono_mb_emit_byte (mb, CEE_ADD);
5650 mono_mb_emit_byte (mb, CEE_RET);
5652 /* not a proxy: return the address of the field directly */
5653 mono_mb_patch_branch (mb, pos0);
5655 mono_mb_emit_ldarg (mb, 0);
5656 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5657 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
5658 mono_mb_emit_ldarg (mb, 3);
5659 mono_mb_emit_byte (mb, CEE_ADD);
5661 mono_mb_emit_byte (mb, CEE_RET);
5664 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NONE);
5665 info->d.proxy.klass = klass;
5666 res = mono_mb_create_and_cache_full (cache, klass,
5667 mb, sig, sig->param_count + 16,
5675 * mono_marshal_get_stfld_remote_wrapper:
5676 * klass: The type of the field
5678 * This function generates a wrapper for calling mono_store_remote_field_new
5679 * with the appropriate signature.
5680 * Similarly to mono_marshal_get_ldfld_remote_wrapper () this doesn't depend on the
5681 * klass argument anymore.
5684 mono_marshal_get_stfld_remote_wrapper (MonoClass *klass)
5686 MonoMethodSignature *sig, *csig;
5687 MonoMethodBuilder *mb;
5689 static MonoMethod *cached = NULL;
5691 mono_marshal_lock ();
5693 mono_marshal_unlock ();
5696 mono_marshal_unlock ();
5698 mb = mono_mb_new_no_dup_name (mono_defaults.object_class, "__mono_store_remote_field_new_wrapper", MONO_WRAPPER_STFLD_REMOTE);
5700 mb->method->save_lmf = 1;
5702 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
5703 sig->params [0] = &mono_defaults.object_class->byval_arg;
5704 sig->params [1] = &mono_defaults.int_class->byval_arg;
5705 sig->params [2] = &mono_defaults.int_class->byval_arg;
5706 sig->params [3] = &mono_defaults.object_class->byval_arg;
5707 sig->ret = &mono_defaults.void_class->byval_arg;
5710 mono_mb_emit_ldarg (mb, 0);
5711 mono_mb_emit_ldarg (mb, 1);
5712 mono_mb_emit_ldarg (mb, 2);
5713 mono_mb_emit_ldarg (mb, 3);
5715 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
5716 csig->params [0] = &mono_defaults.object_class->byval_arg;
5717 csig->params [1] = &mono_defaults.int_class->byval_arg;
5718 csig->params [2] = &mono_defaults.int_class->byval_arg;
5719 csig->params [3] = &mono_defaults.object_class->byval_arg;
5720 csig->ret = &mono_defaults.void_class->byval_arg;
5723 mono_mb_emit_native_call (mb, csig, mono_store_remote_field_new);
5724 emit_thread_interrupt_checkpoint (mb);
5726 mono_mb_emit_byte (mb, CEE_RET);
5729 mono_marshal_lock ();
5731 mono_marshal_unlock ();
5734 newm = mono_mb_create (mb, sig, 6, NULL);
5735 mono_marshal_lock ();
5740 mono_marshal_unlock ();
5742 mono_marshal_unlock ();
5743 mono_free_method (newm);
5752 * mono_marshal_get_stfld_wrapper:
5753 * @type: the type of the field
5755 * This method generates a function which can be use to store a field with type
5756 * @type. The generated function has the following signature:
5757 * void stfld_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset, <@type> val)
5760 mono_marshal_get_stfld_wrapper (MonoType *type)
5762 MonoMethodSignature *sig;
5763 MonoMethodBuilder *mb;
5771 type = mono_type_get_underlying_type (type);
5775 if (type->type == MONO_TYPE_SZARRAY) {
5776 klass = mono_defaults.array_class;
5777 } else if (type->type == MONO_TYPE_VALUETYPE) {
5778 klass = type->data.klass;
5779 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING) {
5780 klass = mono_defaults.object_class;
5781 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
5782 klass = mono_defaults.int_class;
5783 } else if (t == MONO_TYPE_GENERICINST) {
5784 if (mono_type_generic_inst_is_valuetype (type))
5785 klass = mono_class_from_mono_type (type);
5787 klass = mono_defaults.object_class;
5789 klass = mono_class_from_mono_type (type);
5792 klass = mono_defaults.int_class;
5795 cache = get_cache (&klass->image->stfld_wrapper_cache, mono_aligned_addr_hash, NULL);
5796 if ((res = mono_marshal_find_in_cache (cache, klass)))
5799 /* we add the %p pointer value of klass because class names are not unique */
5800 name = g_strdup_printf ("__stfld_wrapper_%p_%s.%s", klass, klass->name_space, klass->name);
5801 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_STFLD);
5804 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 5);
5805 sig->params [0] = &mono_defaults.object_class->byval_arg;
5806 sig->params [1] = &mono_defaults.int_class->byval_arg;
5807 sig->params [2] = &mono_defaults.int_class->byval_arg;
5808 sig->params [3] = &mono_defaults.int_class->byval_arg;
5809 sig->params [4] = &klass->byval_arg;
5810 sig->ret = &mono_defaults.void_class->byval_arg;
5813 mono_mb_emit_ldarg (mb, 0);
5814 pos = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
5816 mono_mb_emit_ldarg (mb, 0);
5817 mono_mb_emit_ldarg (mb, 1);
5818 mono_mb_emit_ldarg (mb, 2);
5819 mono_mb_emit_ldarg (mb, 4);
5820 if (klass->valuetype)
5821 mono_mb_emit_op (mb, CEE_BOX, klass);
5823 mono_mb_emit_managed_call (mb, mono_marshal_get_stfld_remote_wrapper (klass), NULL);
5825 mono_mb_emit_byte (mb, CEE_RET);
5827 mono_mb_patch_branch (mb, pos);
5829 mono_mb_emit_ldarg (mb, 0);
5830 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5831 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
5832 mono_mb_emit_ldarg (mb, 3);
5833 mono_mb_emit_byte (mb, CEE_ADD);
5834 mono_mb_emit_ldarg (mb, 4);
5839 case MONO_TYPE_BOOLEAN:
5840 case MONO_TYPE_CHAR:
5849 case MONO_TYPE_ARRAY:
5850 case MONO_TYPE_SZARRAY:
5851 case MONO_TYPE_OBJECT:
5852 case MONO_TYPE_CLASS:
5853 case MONO_TYPE_STRING:
5857 case MONO_TYPE_FNPTR:
5858 mono_mb_emit_byte (mb, mono_type_to_stind (type));
5860 case MONO_TYPE_VALUETYPE:
5861 g_assert (!klass->enumtype);
5862 mono_mb_emit_op (mb, CEE_STOBJ, klass);
5864 case MONO_TYPE_GENERICINST:
5866 case MONO_TYPE_MVAR:
5867 mono_mb_emit_op (mb, CEE_STOBJ, klass);
5870 g_warning ("type %x not implemented", type->type);
5871 g_assert_not_reached ();
5874 mono_mb_emit_byte (mb, CEE_RET);
5877 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NONE);
5878 info->d.proxy.klass = klass;
5879 res = mono_mb_create_and_cache_full (cache, klass,
5880 mb, sig, sig->param_count + 16,
5886 #endif /* DISABLE_REMOTING */
5889 * generates IL code for the icall wrapper (the generated method
5890 * calls the unmanaged code in func)
5891 * The wrapper info for the wrapper is a WrapperInfo structure.
5894 mono_marshal_get_icall_wrapper (MonoMethodSignature *sig, const char *name, gconstpointer func, gboolean check_exceptions)
5896 MonoMethodSignature *csig, *csig2;
5897 MonoMethodBuilder *mb;
5902 g_assert (sig->pinvoke);
5904 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_MANAGED_TO_NATIVE);
5906 mb->method->save_lmf = 1;
5908 /* Add an explicit this argument */
5910 csig2 = signature_dup_add_this (mono_defaults.corlib, sig, mono_defaults.object_class);
5912 csig2 = signature_dup (mono_defaults.corlib, sig);
5916 mono_mb_emit_byte (mb, CEE_LDARG_0);
5918 for (i = 0; i < sig->param_count; i++)
5919 mono_mb_emit_ldarg (mb, i + sig->hasthis);
5921 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5922 mono_mb_emit_op (mb, CEE_MONO_JIT_ICALL_ADDR, (gpointer)func);
5923 mono_mb_emit_calli (mb, csig2);
5924 if (check_exceptions)
5925 emit_thread_interrupt_checkpoint (mb);
5926 mono_mb_emit_byte (mb, CEE_RET);
5929 csig = signature_dup (mono_defaults.corlib, sig);
5931 if (csig->call_convention == MONO_CALL_VARARG)
5932 csig->call_convention = 0;
5934 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_ICALL_WRAPPER);
5935 info->d.icall.func = (gpointer)func;
5936 res = mono_mb_create (mb, csig, csig->param_count + 16, info);
5943 emit_marshal_custom (EmitMarshalContext *m, int argnum, MonoType *t,
5944 MonoMarshalSpec *spec,
5945 int conv_arg, MonoType **conv_arg_type,
5946 MarshalAction action)
5949 if (action == MARSHAL_ACTION_CONV_IN && t->type == MONO_TYPE_VALUETYPE)
5950 *conv_arg_type = &mono_defaults.int_class->byval_arg;
5955 static MonoClass *ICustomMarshaler = NULL;
5956 static MonoMethod *cleanup_native, *cleanup_managed;
5957 static MonoMethod *marshal_managed_to_native, *marshal_native_to_managed;
5958 MonoMethod *get_instance = NULL;
5959 MonoMethodBuilder *mb = m->mb;
5960 char *exception_msg = NULL;
5964 if (!ICustomMarshaler) {
5965 ICustomMarshaler = mono_class_from_name (mono_defaults.corlib, "System.Runtime.InteropServices", "ICustomMarshaler");
5966 if (!ICustomMarshaler) {
5967 exception_msg = g_strdup ("Current profile doesn't support ICustomMarshaler");
5968 goto handle_exception;
5971 cleanup_native = mono_class_get_method_from_name (ICustomMarshaler, "CleanUpNativeData", 1);
5972 g_assert (cleanup_native);
5973 cleanup_managed = mono_class_get_method_from_name (ICustomMarshaler, "CleanUpManagedData", 1);
5974 g_assert (cleanup_managed);
5975 marshal_managed_to_native = mono_class_get_method_from_name (ICustomMarshaler, "MarshalManagedToNative", 1);
5976 g_assert (marshal_managed_to_native);
5977 marshal_native_to_managed = mono_class_get_method_from_name (ICustomMarshaler, "MarshalNativeToManaged", 1);
5978 g_assert (marshal_native_to_managed);
5981 if (spec->data.custom_data.image)
5982 mtype = mono_reflection_type_from_name (spec->data.custom_data.custom_name, spec->data.custom_data.image);
5984 mtype = mono_reflection_type_from_name (spec->data.custom_data.custom_name, m->image);
5985 g_assert (mtype != NULL);
5986 mklass = mono_class_from_mono_type (mtype);
5987 g_assert (mklass != NULL);
5989 if (!mono_class_is_assignable_from (ICustomMarshaler, mklass))
5990 exception_msg = g_strdup_printf ("Custom marshaler '%s' does not implement the ICustomMarshaler interface.", mklass->name);
5992 get_instance = mono_class_get_method_from_name_flags (mklass, "GetInstance", 1, METHOD_ATTRIBUTE_STATIC);
5994 MonoMethodSignature *get_sig = mono_method_signature (get_instance);
5995 if ((get_sig->ret->type != MONO_TYPE_CLASS) ||
5996 (mono_class_from_mono_type (get_sig->ret) != ICustomMarshaler) ||
5997 (get_sig->params [0]->type != MONO_TYPE_STRING))
5998 get_instance = NULL;
6002 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);
6005 /* Throw exception and emit compensation code if neccesary */
6006 if (exception_msg) {
6008 case MARSHAL_ACTION_CONV_IN:
6009 case MARSHAL_ACTION_CONV_RESULT:
6010 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
6011 if ((action == MARSHAL_ACTION_CONV_RESULT) || (action == MARSHAL_ACTION_MANAGED_CONV_RESULT))
6012 mono_mb_emit_byte (mb, CEE_POP);
6014 mono_mb_emit_exception_full (mb, "System", "ApplicationException", exception_msg);
6015 g_free (exception_msg);
6018 case MARSHAL_ACTION_PUSH:
6019 mono_mb_emit_byte (mb, CEE_LDNULL);
6027 /* FIXME: MS.NET seems to create one instance for each klass + cookie pair */
6028 /* FIXME: MS.NET throws an exception if GetInstance returns null */
6031 case MARSHAL_ACTION_CONV_IN:
6033 case MONO_TYPE_CLASS:
6034 case MONO_TYPE_OBJECT:
6035 case MONO_TYPE_STRING:
6036 case MONO_TYPE_ARRAY:
6037 case MONO_TYPE_SZARRAY:
6038 case MONO_TYPE_VALUETYPE:
6042 g_warning ("custom marshalling of type %x is currently not supported", t->type);
6043 g_assert_not_reached ();
6047 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6049 mono_mb_emit_byte (mb, CEE_LDNULL);
6050 mono_mb_emit_stloc (mb, conv_arg);
6052 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT))
6055 /* Minic MS.NET behavior */
6056 if (!t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT) && !(t->attrs & PARAM_ATTRIBUTE_IN))
6059 /* Check for null */
6060 mono_mb_emit_ldarg (mb, argnum);
6062 mono_mb_emit_byte (mb, CEE_LDIND_I);
6063 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6065 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
6067 mono_mb_emit_op (mb, CEE_CALL, get_instance);
6069 mono_mb_emit_ldarg (mb, argnum);
6071 mono_mb_emit_byte (mb, CEE_LDIND_REF);
6073 if (t->type == MONO_TYPE_VALUETYPE) {
6075 * Since we can't determine the type of the argument, we
6076 * will assume the unmanaged function takes a pointer.
6078 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6080 mono_mb_emit_op (mb, CEE_BOX, mono_class_from_mono_type (t));
6083 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_managed_to_native);
6084 mono_mb_emit_stloc (mb, conv_arg);
6086 mono_mb_patch_branch (mb, pos2);
6089 case MARSHAL_ACTION_CONV_OUT:
6090 /* Check for null */
6091 mono_mb_emit_ldloc (mb, conv_arg);
6092 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6095 mono_mb_emit_ldarg (mb, argnum);
6097 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
6099 mono_mb_emit_op (mb, CEE_CALL, get_instance);
6101 mono_mb_emit_ldloc (mb, conv_arg);
6102 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
6103 mono_mb_emit_byte (mb, CEE_STIND_REF);
6104 } else if (t->attrs & PARAM_ATTRIBUTE_OUT) {
6105 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
6107 mono_mb_emit_op (mb, CEE_CALL, get_instance);
6109 mono_mb_emit_ldloc (mb, conv_arg);
6110 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
6112 /* We have nowhere to store the result */
6113 mono_mb_emit_byte (mb, CEE_POP);
6116 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
6118 mono_mb_emit_op (mb, CEE_CALL, get_instance);
6120 mono_mb_emit_ldloc (mb, conv_arg);
6122 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_native);
6124 mono_mb_patch_branch (mb, pos2);
6127 case MARSHAL_ACTION_PUSH:
6129 mono_mb_emit_ldloc_addr (mb, conv_arg);
6131 mono_mb_emit_ldloc (mb, conv_arg);
6134 case MARSHAL_ACTION_CONV_RESULT:
6135 loc1 = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6137 mono_mb_emit_stloc (mb, 3);
6139 mono_mb_emit_ldloc (mb, 3);
6140 mono_mb_emit_stloc (mb, loc1);
6142 /* Check for null */
6143 mono_mb_emit_ldloc (mb, 3);
6144 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6146 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
6148 mono_mb_emit_op (mb, CEE_CALL, get_instance);
6149 mono_mb_emit_byte (mb, CEE_DUP);
6151 mono_mb_emit_ldloc (mb, 3);
6152 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
6153 mono_mb_emit_stloc (mb, 3);
6155 mono_mb_emit_ldloc (mb, loc1);
6156 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_native);
6158 mono_mb_patch_branch (mb, pos2);
6161 case MARSHAL_ACTION_MANAGED_CONV_IN:
6162 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
6164 mono_mb_emit_byte (mb, CEE_LDNULL);
6165 mono_mb_emit_stloc (mb, conv_arg);
6167 if (t->byref && t->attrs & PARAM_ATTRIBUTE_OUT)
6170 /* Check for null */
6171 mono_mb_emit_ldarg (mb, argnum);
6173 mono_mb_emit_byte (mb, CEE_LDIND_I);
6174 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6176 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
6177 mono_mb_emit_op (mb, CEE_CALL, get_instance);
6179 mono_mb_emit_ldarg (mb, argnum);
6181 mono_mb_emit_byte (mb, CEE_LDIND_I);
6183 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
6184 mono_mb_emit_stloc (mb, conv_arg);
6186 mono_mb_patch_branch (mb, pos2);
6189 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
6190 g_assert (!t->byref);
6192 loc1 = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
6194 mono_mb_emit_stloc (mb, 3);
6196 mono_mb_emit_ldloc (mb, 3);
6197 mono_mb_emit_stloc (mb, loc1);
6199 /* Check for null */
6200 mono_mb_emit_ldloc (mb, 3);
6201 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6203 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
6204 mono_mb_emit_op (mb, CEE_CALL, get_instance);
6205 mono_mb_emit_byte (mb, CEE_DUP);
6207 mono_mb_emit_ldloc (mb, 3);
6208 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_managed_to_native);
6209 mono_mb_emit_stloc (mb, 3);
6211 mono_mb_emit_ldloc (mb, loc1);
6212 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_managed);
6214 mono_mb_patch_branch (mb, pos2);
6217 case MARSHAL_ACTION_MANAGED_CONV_OUT:
6219 /* Check for null */
6220 mono_mb_emit_ldloc (mb, conv_arg);
6221 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6224 mono_mb_emit_ldarg (mb, argnum);
6226 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
6228 mono_mb_emit_op (mb, CEE_CALL, get_instance);
6230 mono_mb_emit_ldloc (mb, conv_arg);
6231 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_managed_to_native);
6232 mono_mb_emit_byte (mb, CEE_STIND_I);
6235 /* Call CleanUpManagedData */
6236 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
6238 mono_mb_emit_op (mb, CEE_CALL, get_instance);
6240 mono_mb_emit_ldloc (mb, conv_arg);
6241 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_managed);
6243 mono_mb_patch_branch (mb, pos2);
6247 g_assert_not_reached ();
6255 emit_marshal_asany (EmitMarshalContext *m, int argnum, MonoType *t,
6256 MonoMarshalSpec *spec,
6257 int conv_arg, MonoType **conv_arg_type,
6258 MarshalAction action)
6261 MonoMethodBuilder *mb = m->mb;
6264 case MARSHAL_ACTION_CONV_IN: {
6265 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, NULL);
6267 g_assert (t->type == MONO_TYPE_OBJECT);
6268 g_assert (!t->byref);
6270 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6271 mono_mb_emit_ldarg (mb, argnum);
6272 mono_mb_emit_icon (mb, encoding);
6273 mono_mb_emit_icon (mb, t->attrs);
6274 mono_mb_emit_icall (mb, mono_marshal_asany);
6275 mono_mb_emit_stloc (mb, conv_arg);
6279 case MARSHAL_ACTION_PUSH:
6280 mono_mb_emit_ldloc (mb, conv_arg);
6283 case MARSHAL_ACTION_CONV_OUT: {
6284 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, NULL);
6286 mono_mb_emit_ldarg (mb, argnum);
6287 mono_mb_emit_ldloc (mb, conv_arg);
6288 mono_mb_emit_icon (mb, encoding);
6289 mono_mb_emit_icon (mb, t->attrs);
6290 mono_mb_emit_icall (mb, mono_marshal_free_asany);
6295 g_assert_not_reached ();
6302 emit_marshal_vtype (EmitMarshalContext *m, int argnum, MonoType *t,
6303 MonoMarshalSpec *spec,
6304 int conv_arg, MonoType **conv_arg_type,
6305 MarshalAction action)
6308 MonoMethodBuilder *mb = m->mb;
6309 MonoClass *klass, *date_time_class;
6312 klass = mono_class_from_mono_type (t);
6314 date_time_class = mono_class_from_name_cached (mono_defaults.corlib, "System", "DateTime");
6317 case MARSHAL_ACTION_CONV_IN:
6318 if (klass == date_time_class) {
6319 /* Convert it to an OLE DATE type */
6320 static MonoMethod *to_oadate;
6323 to_oadate = mono_class_get_method_from_name (date_time_class, "ToOADate", 0);
6324 g_assert (to_oadate);
6326 conv_arg = mono_mb_add_local (mb, &mono_defaults.double_class->byval_arg);
6329 mono_mb_emit_ldarg (mb, argnum);
6330 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6333 if (!(t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && (t->attrs & PARAM_ATTRIBUTE_OUT))) {
6335 m->csig->params [argnum - m->csig->hasthis] = &mono_defaults.double_class->byval_arg;
6337 mono_mb_emit_ldarg_addr (mb, argnum);
6338 mono_mb_emit_managed_call (mb, to_oadate, NULL);
6339 mono_mb_emit_stloc (mb, conv_arg);
6343 mono_mb_patch_branch (mb, pos);
6347 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6348 klass->blittable || klass->enumtype)
6351 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6353 /* store the address of the source into local variable 0 */
6355 mono_mb_emit_ldarg (mb, argnum);
6357 mono_mb_emit_ldarg_addr (mb, argnum);
6359 mono_mb_emit_stloc (mb, 0);
6361 /* allocate space for the native struct and
6362 * store the address into local variable 1 (dest) */
6363 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
6364 mono_mb_emit_byte (mb, CEE_PREFIX1);
6365 mono_mb_emit_byte (mb, CEE_LOCALLOC);
6366 mono_mb_emit_stloc (mb, conv_arg);
6369 mono_mb_emit_ldloc (mb, 0);
6370 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6373 if (!(t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && (t->attrs & PARAM_ATTRIBUTE_OUT))) {
6375 mono_mb_emit_ldloc (mb, conv_arg);
6376 mono_mb_emit_stloc (mb, 1);
6378 /* emit valuetype conversion code */
6379 emit_struct_conv (mb, klass, FALSE);
6383 mono_mb_patch_branch (mb, pos);
6386 case MARSHAL_ACTION_PUSH:
6387 if (spec && spec->native == MONO_NATIVE_LPSTRUCT) {
6389 g_assert (!t->byref);
6391 /* Have to change the signature since the vtype is passed byref */
6392 m->csig->params [argnum - m->csig->hasthis] = &mono_defaults.int_class->byval_arg;
6394 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6395 klass->blittable || klass->enumtype)
6396 mono_mb_emit_ldarg_addr (mb, argnum);
6398 mono_mb_emit_ldloc (mb, conv_arg);
6402 if (klass == date_time_class) {
6404 mono_mb_emit_ldloc_addr (mb, conv_arg);
6406 mono_mb_emit_ldloc (mb, conv_arg);
6410 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6411 klass->blittable || klass->enumtype) {
6412 mono_mb_emit_ldarg (mb, argnum);
6415 mono_mb_emit_ldloc (mb, conv_arg);
6417 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6418 mono_mb_emit_op (mb, CEE_MONO_LDNATIVEOBJ, klass);
6422 case MARSHAL_ACTION_CONV_OUT:
6423 if (klass == date_time_class) {
6424 /* Convert from an OLE DATE type */
6425 static MonoMethod *from_oadate;
6430 if (!((t->attrs & PARAM_ATTRIBUTE_IN) && !(t->attrs & PARAM_ATTRIBUTE_OUT))) {
6432 from_oadate = mono_class_get_method_from_name (date_time_class, "FromOADate", 1);
6433 g_assert (from_oadate);
6435 mono_mb_emit_ldarg (mb, argnum);
6436 mono_mb_emit_ldloc (mb, conv_arg);
6437 mono_mb_emit_managed_call (mb, from_oadate, NULL);
6438 mono_mb_emit_op (mb, CEE_STOBJ, date_time_class);
6443 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6444 klass->blittable || klass->enumtype)
6448 /* dst = argument */
6449 mono_mb_emit_ldarg (mb, argnum);
6450 mono_mb_emit_stloc (mb, 1);
6452 mono_mb_emit_ldloc (mb, 1);
6453 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6455 if (!((t->attrs & PARAM_ATTRIBUTE_IN) && !(t->attrs & PARAM_ATTRIBUTE_OUT))) {
6456 /* src = tmp_locals [i] */
6457 mono_mb_emit_ldloc (mb, conv_arg);
6458 mono_mb_emit_stloc (mb, 0);
6460 /* emit valuetype conversion code */
6461 emit_struct_conv (mb, klass, TRUE);
6465 emit_struct_free (mb, klass, conv_arg);
6468 mono_mb_patch_branch (mb, pos);
6471 case MARSHAL_ACTION_CONV_RESULT:
6472 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6474 mono_mb_emit_stloc (mb, 3);
6478 /* load pointer to returned value type */
6479 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6480 mono_mb_emit_byte (mb, CEE_MONO_VTADDR);
6481 /* store the address of the source into local variable 0 */
6482 mono_mb_emit_stloc (mb, 0);
6484 mono_mb_emit_ldloc_addr (mb, 3);
6485 mono_mb_emit_stloc (mb, 1);
6487 /* emit valuetype conversion code */
6488 emit_struct_conv (mb, klass, TRUE);
6491 case MARSHAL_ACTION_MANAGED_CONV_IN:
6492 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6493 klass->blittable || klass->enumtype) {
6498 conv_arg = mono_mb_add_local (mb, &klass->byval_arg);
6500 if (t->attrs & PARAM_ATTRIBUTE_OUT)
6504 mono_mb_emit_ldarg (mb, argnum);
6506 mono_mb_emit_ldarg_addr (mb, argnum);
6507 mono_mb_emit_stloc (mb, 0);
6510 mono_mb_emit_ldloc (mb, 0);
6511 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6514 mono_mb_emit_ldloc_addr (mb, conv_arg);
6515 mono_mb_emit_stloc (mb, 1);
6517 /* emit valuetype conversion code */
6518 emit_struct_conv (mb, klass, TRUE);
6521 mono_mb_patch_branch (mb, pos);
6524 case MARSHAL_ACTION_MANAGED_CONV_OUT:
6525 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6526 klass->blittable || klass->enumtype) {
6530 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_IN) && !(t->attrs & PARAM_ATTRIBUTE_OUT))
6533 /* Check for null */
6534 mono_mb_emit_ldarg (mb, argnum);
6535 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6538 mono_mb_emit_ldloc_addr (mb, conv_arg);
6539 mono_mb_emit_stloc (mb, 0);
6542 mono_mb_emit_ldarg (mb, argnum);
6543 mono_mb_emit_stloc (mb, 1);
6545 /* emit valuetype conversion code */
6546 emit_struct_conv (mb, klass, FALSE);
6548 mono_mb_patch_branch (mb, pos2);
6551 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
6552 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6553 klass->blittable || klass->enumtype) {
6554 mono_mb_emit_stloc (mb, 3);
6559 /* load pointer to returned value type */
6560 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6561 mono_mb_emit_byte (mb, CEE_MONO_VTADDR);
6563 /* store the address of the source into local variable 0 */
6564 mono_mb_emit_stloc (mb, 0);
6565 /* allocate space for the native struct and
6566 * store the address into dst_ptr */
6567 m->retobj_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6568 m->retobj_class = klass;
6569 g_assert (m->retobj_var);
6570 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
6571 mono_mb_emit_byte (mb, CEE_CONV_I);
6572 mono_mb_emit_icall (mb, mono_marshal_alloc);
6573 mono_mb_emit_stloc (mb, 1);
6574 mono_mb_emit_ldloc (mb, 1);
6575 mono_mb_emit_stloc (mb, m->retobj_var);
6577 /* emit valuetype conversion code */
6578 emit_struct_conv (mb, klass, FALSE);
6582 g_assert_not_reached ();
6589 emit_marshal_string (EmitMarshalContext *m, int argnum, MonoType *t,
6590 MonoMarshalSpec *spec,
6591 int conv_arg, MonoType **conv_arg_type,
6592 MarshalAction action)
6596 case MARSHAL_ACTION_CONV_IN:
6597 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6599 case MARSHAL_ACTION_MANAGED_CONV_IN:
6600 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6604 MonoMethodBuilder *mb = m->mb;
6605 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
6606 MonoMarshalConv conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
6610 case MARSHAL_ACTION_CONV_IN:
6611 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6612 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6615 if (t->attrs & PARAM_ATTRIBUTE_OUT)
6618 mono_mb_emit_ldarg (mb, argnum);
6619 mono_mb_emit_byte (mb, CEE_LDIND_I);
6621 mono_mb_emit_ldarg (mb, argnum);
6625 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
6626 mono_mb_emit_exception_marshal_directive (mb, msg);
6628 mono_mb_emit_icall (mb, conv_to_icall (conv));
6630 mono_mb_emit_stloc (mb, conv_arg);
6634 case MARSHAL_ACTION_CONV_OUT:
6635 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
6637 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
6638 mono_mb_emit_exception_marshal_directive (mb, msg);
6642 if (encoding == MONO_NATIVE_VBBYREFSTR) {
6643 static MonoMethod *m;
6646 m = mono_class_get_method_from_name_flags (mono_defaults.string_class, "get_Length", -1, 0);
6651 char *msg = g_strdup_printf ("VBByRefStr marshalling requires a ref parameter.", encoding);
6652 mono_mb_emit_exception_marshal_directive (mb, msg);
6657 * Have to allocate a new string with the same length as the original, and
6658 * copy the contents of the buffer pointed to by CONV_ARG into it.
6660 g_assert (t->byref);
6661 mono_mb_emit_ldarg (mb, argnum);
6662 mono_mb_emit_ldloc (mb, conv_arg);
6663 mono_mb_emit_ldarg (mb, argnum);
6664 mono_mb_emit_byte (mb, CEE_LDIND_I);
6665 mono_mb_emit_managed_call (mb, m, NULL);
6666 mono_mb_emit_icall (mb, mono_string_new_len_wrapper);
6667 mono_mb_emit_byte (mb, CEE_STIND_REF);
6668 } else if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT || !(t->attrs & PARAM_ATTRIBUTE_IN))) {
6669 mono_mb_emit_ldarg (mb, argnum);
6670 mono_mb_emit_ldloc (mb, conv_arg);
6671 mono_mb_emit_icall (mb, conv_to_icall (conv));
6672 mono_mb_emit_byte (mb, CEE_STIND_REF);
6677 mono_mb_emit_ldloc (mb, conv_arg);
6678 if (conv == MONO_MARSHAL_CONV_BSTR_STR)
6679 mono_mb_emit_icall (mb, mono_free_bstr);
6681 mono_mb_emit_icall (mb, mono_marshal_free);
6685 case MARSHAL_ACTION_PUSH:
6686 if (t->byref && encoding != MONO_NATIVE_VBBYREFSTR)
6687 mono_mb_emit_ldloc_addr (mb, conv_arg);
6689 mono_mb_emit_ldloc (mb, conv_arg);
6692 case MARSHAL_ACTION_CONV_RESULT:
6693 mono_mb_emit_stloc (mb, 0);
6695 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
6697 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
6698 mono_mb_emit_exception_marshal_directive (mb, msg);
6702 mono_mb_emit_ldloc (mb, 0);
6703 mono_mb_emit_icall (mb, conv_to_icall (conv));
6704 mono_mb_emit_stloc (mb, 3);
6706 /* free the string */
6707 mono_mb_emit_ldloc (mb, 0);
6708 if (conv == MONO_MARSHAL_CONV_BSTR_STR)
6709 mono_mb_emit_icall (mb, mono_free_bstr);
6711 mono_mb_emit_icall (mb, mono_marshal_free);
6714 case MARSHAL_ACTION_MANAGED_CONV_IN:
6715 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
6717 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6720 if (t->attrs & PARAM_ATTRIBUTE_OUT)
6724 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
6726 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
6727 mono_mb_emit_exception_marshal_directive (mb, msg);
6731 mono_mb_emit_ldarg (mb, argnum);
6733 mono_mb_emit_byte (mb, CEE_LDIND_I);
6734 mono_mb_emit_icall (mb, conv_to_icall (conv));
6735 mono_mb_emit_stloc (mb, conv_arg);
6738 case MARSHAL_ACTION_MANAGED_CONV_OUT:
6741 mono_mb_emit_ldarg (mb, argnum);
6742 mono_mb_emit_ldloc (mb, conv_arg);
6743 mono_mb_emit_icall (mb, conv_to_icall (conv));
6744 mono_mb_emit_byte (mb, CEE_STIND_I);
6749 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
6750 if (conv_to_icall (conv) == mono_marshal_string_to_utf16)
6751 /* We need to make a copy so the caller is able to free it */
6752 mono_mb_emit_icall (mb, mono_marshal_string_to_utf16_copy);
6754 mono_mb_emit_icall (mb, conv_to_icall (conv));
6755 mono_mb_emit_stloc (mb, 3);
6759 g_assert_not_reached ();
6767 emit_marshal_safehandle (EmitMarshalContext *m, int argnum, MonoType *t,
6768 MonoMarshalSpec *spec, int conv_arg,
6769 MonoType **conv_arg_type, MarshalAction action)
6772 if (action == MARSHAL_ACTION_CONV_IN)
6773 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6775 MonoMethodBuilder *mb = m->mb;
6778 case MARSHAL_ACTION_CONV_IN: {
6779 MonoType *intptr_type;
6780 int dar_release_slot, pos;
6782 intptr_type = &mono_defaults.int_class->byval_arg;
6783 conv_arg = mono_mb_add_local (mb, intptr_type);
6784 *conv_arg_type = intptr_type;
6786 if (!sh_dangerous_add_ref)
6787 init_safe_handle ();
6789 mono_mb_emit_ldarg (mb, argnum);
6790 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
6791 mono_mb_emit_exception (mb, "ArgumentNullException", NULL);
6793 mono_mb_patch_branch (mb, pos);
6796 * My tests in show that ref SafeHandles are not really
6797 * passed as ref objects. Instead a NULL is passed as the
6800 mono_mb_emit_icon (mb, 0);
6801 mono_mb_emit_stloc (mb, conv_arg);
6805 /* Create local to hold the ref parameter to DangerousAddRef */
6806 dar_release_slot = mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
6808 /* set release = false; */
6809 mono_mb_emit_icon (mb, 0);
6810 mono_mb_emit_stloc (mb, dar_release_slot);
6812 /* safehandle.DangerousAddRef (ref release) */
6813 mono_mb_emit_ldarg (mb, argnum);
6814 mono_mb_emit_ldloc_addr (mb, dar_release_slot);
6815 mono_mb_emit_managed_call (mb, sh_dangerous_add_ref, NULL);
6817 /* Pull the handle field from SafeHandle */
6818 mono_mb_emit_ldarg (mb, argnum);
6819 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoSafeHandle, handle));
6820 mono_mb_emit_byte (mb, CEE_LDIND_I);
6821 mono_mb_emit_stloc (mb, conv_arg);
6826 case MARSHAL_ACTION_PUSH:
6828 mono_mb_emit_ldloc_addr (mb, conv_arg);
6830 mono_mb_emit_ldloc (mb, conv_arg);
6833 case MARSHAL_ACTION_CONV_OUT: {
6834 /* The slot for the boolean is the next temporary created after conv_arg, see the CONV_IN code */
6835 int dar_release_slot = conv_arg + 1;
6838 if (!sh_dangerous_release)
6839 init_safe_handle ();
6845 * My tests indicate that ref SafeHandles parameters are not actually
6846 * passed by ref, but instead a new Handle is created regardless of
6847 * whether a change happens in the unmanaged side.
6849 * Also, the Handle is created before calling into unmanaged code,
6850 * but we do not support that mechanism (getting to the original
6851 * handle) and it makes no difference where we create this
6853 ctor = mono_class_get_method_from_name (t->data.klass, ".ctor", 0);
6855 mono_mb_emit_exception (mb, "MissingMethodException", "paramterless constructor required");
6858 /* refval = new SafeHandleDerived ()*/
6859 mono_mb_emit_ldarg (mb, argnum);
6860 mono_mb_emit_op (mb, CEE_NEWOBJ, ctor);
6861 mono_mb_emit_byte (mb, CEE_STIND_REF);
6863 /* refval.handle = returned_handle */
6864 mono_mb_emit_ldarg (mb, argnum);
6865 mono_mb_emit_byte (mb, CEE_LDIND_REF);
6866 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoSafeHandle, handle));
6867 mono_mb_emit_ldloc (mb, conv_arg);
6868 mono_mb_emit_byte (mb, CEE_STIND_I);
6870 mono_mb_emit_ldloc (mb, dar_release_slot);
6871 label_next = mono_mb_emit_branch (mb, CEE_BRFALSE);
6872 mono_mb_emit_ldarg (mb, argnum);
6873 mono_mb_emit_managed_call (mb, sh_dangerous_release, NULL);
6874 mono_mb_patch_branch (mb, label_next);
6879 case MARSHAL_ACTION_CONV_RESULT: {
6880 MonoMethod *ctor = NULL;
6881 int intptr_handle_slot;
6883 if (t->data.klass->flags & TYPE_ATTRIBUTE_ABSTRACT){
6884 mono_mb_emit_byte (mb, CEE_POP);
6885 mono_mb_emit_exception_marshal_directive (mb, g_strdup ("Returned SafeHandles should not be abstract"));
6889 ctor = mono_class_get_method_from_name (t->data.klass, ".ctor", 0);
6891 mono_mb_emit_byte (mb, CEE_POP);
6892 mono_mb_emit_exception (mb, "MissingMethodException", "paramterless constructor required");
6895 /* Store the IntPtr results into a local */
6896 intptr_handle_slot = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6897 mono_mb_emit_stloc (mb, intptr_handle_slot);
6899 /* Create return value */
6900 mono_mb_emit_op (mb, CEE_NEWOBJ, ctor);
6901 mono_mb_emit_stloc (mb, 3);
6903 /* Set the return.handle to the value, am using ldflda, not sure if thats a good idea */
6904 mono_mb_emit_ldloc (mb, 3);
6905 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoSafeHandle, handle));
6906 mono_mb_emit_ldloc (mb, intptr_handle_slot);
6907 mono_mb_emit_byte (mb, CEE_STIND_I);
6911 case MARSHAL_ACTION_MANAGED_CONV_IN:
6912 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_IN\n");
6915 case MARSHAL_ACTION_MANAGED_CONV_OUT:
6916 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_OUT\n");
6919 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
6920 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_RESULT\n");
6923 printf ("Unhandled case for MarshalAction: %d\n", action);
6931 emit_marshal_handleref (EmitMarshalContext *m, int argnum, MonoType *t,
6932 MonoMarshalSpec *spec, int conv_arg,
6933 MonoType **conv_arg_type, MarshalAction action)
6936 if (action == MARSHAL_ACTION_CONV_IN)
6937 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6939 MonoMethodBuilder *mb = m->mb;
6942 case MARSHAL_ACTION_CONV_IN: {
6943 MonoType *intptr_type;
6945 intptr_type = &mono_defaults.int_class->byval_arg;
6946 conv_arg = mono_mb_add_local (mb, intptr_type);
6947 *conv_arg_type = intptr_type;
6950 char *msg = g_strdup ("HandleRefs can not be returned from unmanaged code (or passed by ref)");
6951 mono_mb_emit_exception_marshal_directive (mb, msg);
6954 mono_mb_emit_ldarg_addr (mb, argnum);
6955 mono_mb_emit_icon (mb, MONO_STRUCT_OFFSET (MonoHandleRef, handle));
6956 mono_mb_emit_byte (mb, CEE_ADD);
6957 mono_mb_emit_byte (mb, CEE_LDIND_I);
6958 mono_mb_emit_stloc (mb, conv_arg);
6962 case MARSHAL_ACTION_PUSH:
6963 mono_mb_emit_ldloc (mb, conv_arg);
6966 case MARSHAL_ACTION_CONV_OUT: {
6967 /* no resource release required */
6971 case MARSHAL_ACTION_CONV_RESULT: {
6972 char *msg = g_strdup ("HandleRefs can not be returned from unmanaged code (or passed by ref)");
6973 mono_mb_emit_exception_marshal_directive (mb, msg);
6977 case MARSHAL_ACTION_MANAGED_CONV_IN:
6978 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_IN\n");
6981 case MARSHAL_ACTION_MANAGED_CONV_OUT:
6982 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_OUT\n");
6985 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
6986 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_RESULT\n");
6989 fprintf (stderr, "Unhandled case for MarshalAction: %d\n", action);
6997 emit_marshal_object (EmitMarshalContext *m, int argnum, MonoType *t,
6998 MonoMarshalSpec *spec,
6999 int conv_arg, MonoType **conv_arg_type,
7000 MarshalAction action)
7003 if (action == MARSHAL_ACTION_CONV_IN)
7004 *conv_arg_type = &mono_defaults.int_class->byval_arg;
7006 MonoMethodBuilder *mb = m->mb;
7007 MonoClass *klass = mono_class_from_mono_type (t);
7011 case MARSHAL_ACTION_CONV_IN:
7012 *conv_arg_type = &mono_defaults.int_class->byval_arg;
7013 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7015 m->orig_conv_args [argnum] = 0;
7017 if (mono_class_from_mono_type (t) == mono_defaults.object_class) {
7018 char *msg = g_strdup_printf ("Marshalling of type object is not implemented");
7019 mono_mb_emit_exception_marshal_directive (mb, msg);
7023 if (klass->delegate) {
7025 if (!(t->attrs & PARAM_ATTRIBUTE_OUT)) {
7026 char *msg = g_strdup_printf ("Byref marshalling of delegates is not implemented.");
7027 mono_mb_emit_exception_marshal_directive (mb, msg);
7029 mono_mb_emit_byte (mb, CEE_LDNULL);
7030 mono_mb_emit_stloc (mb, conv_arg);
7032 mono_mb_emit_ldarg (mb, argnum);
7033 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_DEL_FTN));
7034 mono_mb_emit_stloc (mb, conv_arg);
7036 } else if (klass == mono_defaults.stringbuilder_class) {
7037 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
7038 MonoMarshalConv conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
7042 if (!(t->attrs & PARAM_ATTRIBUTE_OUT)) {
7043 char *msg = g_strdup_printf ("Byref marshalling of stringbuilders is not implemented.");
7044 mono_mb_emit_exception_marshal_directive (mb, msg);
7050 if (t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && (t->attrs & PARAM_ATTRIBUTE_OUT))
7054 char *msg = g_strdup_printf ("stringbuilder marshalling conversion %d not implemented", encoding);
7055 mono_mb_emit_exception_marshal_directive (mb, msg);
7059 mono_mb_emit_ldarg (mb, argnum);
7061 mono_mb_emit_byte (mb, CEE_LDIND_I);
7063 mono_mb_emit_icall (mb, conv_to_icall (conv));
7064 mono_mb_emit_stloc (mb, conv_arg);
7065 } else if (klass->blittable) {
7066 mono_mb_emit_byte (mb, CEE_LDNULL);
7067 mono_mb_emit_stloc (mb, conv_arg);
7069 mono_mb_emit_ldarg (mb, argnum);
7070 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
7072 mono_mb_emit_ldarg (mb, argnum);
7073 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
7074 mono_mb_emit_stloc (mb, conv_arg);
7076 mono_mb_patch_branch (mb, pos);
7079 mono_mb_emit_byte (mb, CEE_LDNULL);
7080 mono_mb_emit_stloc (mb, conv_arg);
7083 /* we dont need any conversions for out parameters */
7084 if (t->attrs & PARAM_ATTRIBUTE_OUT)
7087 mono_mb_emit_ldarg (mb, argnum);
7088 mono_mb_emit_byte (mb, CEE_LDIND_I);
7091 mono_mb_emit_ldarg (mb, argnum);
7092 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
7093 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
7096 /* store the address of the source into local variable 0 */
7097 mono_mb_emit_stloc (mb, 0);
7098 mono_mb_emit_ldloc (mb, 0);
7099 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
7101 /* allocate space for the native struct and store the address */
7102 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
7103 mono_mb_emit_byte (mb, CEE_PREFIX1);
7104 mono_mb_emit_byte (mb, CEE_LOCALLOC);
7105 mono_mb_emit_stloc (mb, conv_arg);
7108 /* Need to store the original buffer so we can free it later */
7109 m->orig_conv_args [argnum] = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7110 mono_mb_emit_ldloc (mb, conv_arg);
7111 mono_mb_emit_stloc (mb, m->orig_conv_args [argnum]);
7114 /* set the src_ptr */
7115 mono_mb_emit_ldloc (mb, 0);
7116 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
7117 mono_mb_emit_stloc (mb, 0);
7120 mono_mb_emit_ldloc (mb, conv_arg);
7121 mono_mb_emit_stloc (mb, 1);
7123 /* emit valuetype conversion code */
7124 emit_struct_conv (mb, klass, FALSE);
7126 mono_mb_patch_branch (mb, pos);
7130 case MARSHAL_ACTION_CONV_OUT:
7131 if (klass == mono_defaults.stringbuilder_class) {
7133 MonoMarshalNative encoding;
7134 MonoMarshalConv conv;
7136 encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
7137 conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free);
7139 g_assert (encoding != -1);
7142 //g_assert (!(t->attrs & PARAM_ATTRIBUTE_OUT));
7146 mono_mb_emit_ldarg (mb, argnum);
7147 mono_mb_emit_ldloc (mb, conv_arg);
7150 case MONO_NATIVE_LPWSTR:
7151 mono_mb_emit_icall (mb, mono_string_utf16_to_builder2);
7153 case MONO_NATIVE_LPSTR:
7154 mono_mb_emit_icall (mb, mono_string_utf8_to_builder2);
7157 g_assert_not_reached ();
7160 mono_mb_emit_byte (mb, CEE_STIND_REF);
7162 mono_mb_emit_ldarg (mb, argnum);
7163 mono_mb_emit_ldloc (mb, conv_arg);
7165 mono_mb_emit_icall (mb, conv_to_icall (conv));
7169 mono_mb_emit_ldloc (mb, conv_arg);
7170 mono_mb_emit_icall (mb, mono_marshal_free);
7175 if (klass->delegate) {
7177 mono_mb_emit_ldarg (mb, argnum);
7178 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
7179 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
7180 mono_mb_emit_ldloc (mb, conv_arg);
7181 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_FTN_DEL));
7182 mono_mb_emit_byte (mb, CEE_STIND_REF);
7187 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT)) {
7188 /* allocate a new object */
7189 mono_mb_emit_ldarg (mb, argnum);
7190 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
7191 mono_mb_emit_op (mb, CEE_MONO_NEWOBJ, klass);
7192 mono_mb_emit_byte (mb, CEE_STIND_REF);
7195 /* dst = *argument */
7196 mono_mb_emit_ldarg (mb, argnum);
7199 mono_mb_emit_byte (mb, CEE_LDIND_I);
7201 mono_mb_emit_stloc (mb, 1);
7203 mono_mb_emit_ldloc (mb, 1);
7204 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
7206 if (t->byref || (t->attrs & PARAM_ATTRIBUTE_OUT)) {
7207 mono_mb_emit_ldloc (mb, 1);
7208 mono_mb_emit_icon (mb, sizeof (MonoObject));
7209 mono_mb_emit_byte (mb, CEE_ADD);
7210 mono_mb_emit_stloc (mb, 1);
7212 /* src = tmp_locals [i] */
7213 mono_mb_emit_ldloc (mb, conv_arg);
7214 mono_mb_emit_stloc (mb, 0);
7216 /* emit valuetype conversion code */
7217 emit_struct_conv (mb, klass, TRUE);
7219 /* Free the structure returned by the native code */
7220 emit_struct_free (mb, klass, conv_arg);
7222 if (m->orig_conv_args [argnum]) {
7224 * If the native function changed the pointer, then free
7225 * the original structure plus the new pointer.
7227 mono_mb_emit_ldloc (mb, m->orig_conv_args [argnum]);
7228 mono_mb_emit_ldloc (mb, conv_arg);
7229 pos2 = mono_mb_emit_branch (mb, CEE_BEQ);
7231 if (!(t->attrs & PARAM_ATTRIBUTE_OUT)) {
7232 g_assert (m->orig_conv_args [argnum]);
7234 emit_struct_free (mb, klass, m->orig_conv_args [argnum]);
7237 mono_mb_emit_ldloc (mb, conv_arg);
7238 mono_mb_emit_icall (mb, mono_marshal_free);
7240 mono_mb_patch_branch (mb, pos2);
7244 /* Free the original structure passed to native code */
7245 emit_struct_free (mb, klass, conv_arg);
7247 mono_mb_patch_branch (mb, pos);
7250 case MARSHAL_ACTION_PUSH:
7252 mono_mb_emit_ldloc_addr (mb, conv_arg);
7254 mono_mb_emit_ldloc (mb, conv_arg);
7257 case MARSHAL_ACTION_CONV_RESULT:
7258 if (klass->delegate) {
7259 g_assert (!t->byref);
7260 mono_mb_emit_stloc (mb, 0);
7261 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
7262 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
7263 mono_mb_emit_ldloc (mb, 0);
7264 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_FTN_DEL));
7265 mono_mb_emit_stloc (mb, 3);
7268 mono_mb_emit_stloc (mb, 0);
7270 /* Make a copy since emit_conv modifies local 0 */
7271 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7272 mono_mb_emit_ldloc (mb, 0);
7273 mono_mb_emit_stloc (mb, loc);
7275 mono_mb_emit_byte (mb, CEE_LDNULL);
7276 mono_mb_emit_stloc (mb, 3);
7278 mono_mb_emit_ldloc (mb, 0);
7279 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
7281 /* allocate result object */
7283 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
7284 mono_mb_emit_op (mb, CEE_MONO_NEWOBJ, klass);
7285 mono_mb_emit_stloc (mb, 3);
7289 mono_mb_emit_ldloc (mb, 3);
7290 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
7291 mono_mb_emit_stloc (mb, 1);
7293 /* emit conversion code */
7294 emit_struct_conv (mb, klass, TRUE);
7296 emit_struct_free (mb, klass, loc);
7298 /* Free the pointer allocated by unmanaged code */
7299 mono_mb_emit_ldloc (mb, loc);
7300 mono_mb_emit_icall (mb, mono_marshal_free);
7301 mono_mb_patch_branch (mb, pos);
7305 case MARSHAL_ACTION_MANAGED_CONV_IN:
7306 conv_arg = mono_mb_add_local (mb, &klass->byval_arg);
7308 if (klass->delegate) {
7309 g_assert (!t->byref);
7310 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
7311 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
7312 mono_mb_emit_ldarg (mb, argnum);
7313 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_FTN_DEL));
7314 mono_mb_emit_stloc (mb, conv_arg);
7318 if (klass == mono_defaults.stringbuilder_class) {
7319 MonoMarshalNative encoding;
7321 encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
7324 g_assert (encoding == MONO_NATIVE_LPSTR);
7326 g_assert (!t->byref);
7327 g_assert (encoding != -1);
7329 mono_mb_emit_ldarg (mb, argnum);
7330 mono_mb_emit_icall (mb, mono_string_utf8_to_builder2);
7331 mono_mb_emit_stloc (mb, conv_arg);
7335 /* The class can not have an automatic layout */
7336 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
7337 mono_mb_emit_auto_layout_exception (mb, klass);
7341 if (t->attrs & PARAM_ATTRIBUTE_OUT) {
7342 mono_mb_emit_byte (mb, CEE_LDNULL);
7343 mono_mb_emit_stloc (mb, conv_arg);
7348 mono_mb_emit_ldarg (mb, argnum);
7352 /* Check for NULL and raise an exception */
7353 pos2 = mono_mb_emit_branch (mb, CEE_BRTRUE);
7355 mono_mb_emit_exception (mb, "ArgumentNullException", NULL);
7357 mono_mb_patch_branch (mb, pos2);
7358 mono_mb_emit_ldarg (mb, argnum);
7359 mono_mb_emit_byte (mb, CEE_LDIND_I);
7362 mono_mb_emit_stloc (mb, 0);
7364 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7365 mono_mb_emit_stloc (mb, conv_arg);
7367 mono_mb_emit_ldloc (mb, 0);
7368 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
7370 /* Create and set dst */
7371 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
7372 mono_mb_emit_op (mb, CEE_MONO_NEWOBJ, klass);
7373 mono_mb_emit_stloc (mb, conv_arg);
7374 mono_mb_emit_ldloc (mb, conv_arg);
7375 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
7376 mono_mb_emit_stloc (mb, 1);
7378 /* emit valuetype conversion code */
7379 emit_struct_conv (mb, klass, TRUE);
7381 mono_mb_patch_branch (mb, pos);
7384 case MARSHAL_ACTION_MANAGED_CONV_OUT:
7386 /* Check for null */
7387 mono_mb_emit_ldloc (mb, conv_arg);
7388 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
7389 mono_mb_emit_ldarg (mb, argnum);
7390 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7391 mono_mb_emit_byte (mb, CEE_STIND_REF);
7392 pos2 = mono_mb_emit_branch (mb, CEE_BR);
7394 mono_mb_patch_branch (mb, pos);
7397 mono_mb_emit_ldloc (mb, conv_arg);
7398 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
7399 mono_mb_emit_stloc (mb, 0);
7401 /* Allocate and set dest */
7402 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
7403 mono_mb_emit_byte (mb, CEE_CONV_I);
7404 mono_mb_emit_icall (mb, mono_marshal_alloc);
7405 mono_mb_emit_stloc (mb, 1);
7407 /* Update argument pointer */
7408 mono_mb_emit_ldarg (mb, argnum);
7409 mono_mb_emit_ldloc (mb, 1);
7410 mono_mb_emit_byte (mb, CEE_STIND_I);
7412 /* emit valuetype conversion code */
7413 emit_struct_conv (mb, klass, FALSE);
7415 mono_mb_patch_branch (mb, pos2);
7417 /* byval [Out] marshalling */
7419 /* FIXME: Handle null */
7422 mono_mb_emit_ldloc (mb, conv_arg);
7423 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
7424 mono_mb_emit_stloc (mb, 0);
7427 mono_mb_emit_ldarg (mb, argnum);
7428 mono_mb_emit_stloc (mb, 1);
7430 /* emit valuetype conversion code */
7431 emit_struct_conv (mb, klass, FALSE);
7435 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
7436 if (klass->delegate) {
7437 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_DEL_FTN));
7438 mono_mb_emit_stloc (mb, 3);
7442 /* The class can not have an automatic layout */
7443 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
7444 mono_mb_emit_auto_layout_exception (mb, klass);
7448 mono_mb_emit_stloc (mb, 0);
7449 /* Check for null */
7450 mono_mb_emit_ldloc (mb, 0);
7451 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
7452 mono_mb_emit_byte (mb, CEE_LDNULL);
7453 mono_mb_emit_stloc (mb, 3);
7454 pos2 = mono_mb_emit_branch (mb, CEE_BR);
7456 mono_mb_patch_branch (mb, pos);
7459 mono_mb_emit_ldloc (mb, 0);
7460 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
7461 mono_mb_emit_stloc (mb, 0);
7463 /* Allocate and set dest */
7464 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
7465 mono_mb_emit_byte (mb, CEE_CONV_I);
7466 mono_mb_emit_icall (mb, mono_marshal_alloc);
7467 mono_mb_emit_byte (mb, CEE_DUP);
7468 mono_mb_emit_stloc (mb, 1);
7469 mono_mb_emit_stloc (mb, 3);
7471 emit_struct_conv (mb, klass, FALSE);
7473 mono_mb_patch_branch (mb, pos2);
7477 g_assert_not_reached ();
7488 emit_marshal_variant (EmitMarshalContext *m, int argnum, MonoType *t,
7489 MonoMarshalSpec *spec,
7490 int conv_arg, MonoType **conv_arg_type,
7491 MarshalAction action)
7493 MonoMethodBuilder *mb = m->mb;
7494 static MonoMethod *get_object_for_native_variant = NULL;
7495 static MonoMethod *get_native_variant_for_object = NULL;
7497 if (!get_object_for_native_variant)
7498 get_object_for_native_variant = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetObjectForNativeVariant", 1);
7499 g_assert (get_object_for_native_variant);
7501 if (!get_native_variant_for_object)
7502 get_native_variant_for_object = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetNativeVariantForObject", 2);
7503 g_assert (get_native_variant_for_object);
7506 case MARSHAL_ACTION_CONV_IN: {
7507 conv_arg = mono_mb_add_local (mb, &mono_class_get_variant_class ()->byval_arg);
7510 *conv_arg_type = &mono_class_get_variant_class ()->this_arg;
7512 *conv_arg_type = &mono_class_get_variant_class ()->byval_arg;
7514 if (t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && t->attrs & PARAM_ATTRIBUTE_OUT)
7517 mono_mb_emit_ldarg (mb, argnum);
7519 mono_mb_emit_byte(mb, CEE_LDIND_REF);
7520 mono_mb_emit_ldloc_addr (mb, conv_arg);
7521 mono_mb_emit_managed_call (mb, get_native_variant_for_object, NULL);
7525 case MARSHAL_ACTION_CONV_OUT: {
7526 static MonoMethod *variant_clear = NULL;
7529 variant_clear = mono_class_get_method_from_name (mono_class_get_variant_class (), "Clear", 0);
7530 g_assert (variant_clear);
7533 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT || !(t->attrs & PARAM_ATTRIBUTE_IN))) {
7534 mono_mb_emit_ldarg (mb, argnum);
7535 mono_mb_emit_ldloc_addr (mb, conv_arg);
7536 mono_mb_emit_managed_call (mb, get_object_for_native_variant, NULL);
7537 mono_mb_emit_byte (mb, CEE_STIND_REF);
7540 mono_mb_emit_ldloc_addr (mb, conv_arg);
7541 mono_mb_emit_managed_call (mb, variant_clear, NULL);
7545 case MARSHAL_ACTION_PUSH:
7547 mono_mb_emit_ldloc_addr (mb, conv_arg);
7549 mono_mb_emit_ldloc (mb, conv_arg);
7552 case MARSHAL_ACTION_CONV_RESULT: {
7553 char *msg = g_strdup ("Marshalling of VARIANT not supported as a return type.");
7554 mono_mb_emit_exception_marshal_directive (mb, msg);
7558 case MARSHAL_ACTION_MANAGED_CONV_IN: {
7559 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
7562 *conv_arg_type = &mono_class_get_variant_class ()->this_arg;
7564 *conv_arg_type = &mono_class_get_variant_class ()->byval_arg;
7566 if (t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && t->attrs & PARAM_ATTRIBUTE_OUT)
7570 mono_mb_emit_ldarg (mb, argnum);
7572 mono_mb_emit_ldarg_addr (mb, argnum);
7573 mono_mb_emit_managed_call (mb, get_object_for_native_variant, NULL);
7574 mono_mb_emit_stloc (mb, conv_arg);
7578 case MARSHAL_ACTION_MANAGED_CONV_OUT: {
7579 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT || !(t->attrs & PARAM_ATTRIBUTE_IN))) {
7580 mono_mb_emit_ldloc (mb, conv_arg);
7581 mono_mb_emit_ldarg (mb, argnum);
7582 mono_mb_emit_managed_call (mb, get_native_variant_for_object, NULL);
7587 case MARSHAL_ACTION_MANAGED_CONV_RESULT: {
7588 char *msg = g_strdup ("Marshalling of VARIANT not supported as a return type.");
7589 mono_mb_emit_exception_marshal_directive (mb, msg);
7594 g_assert_not_reached ();
7600 #endif /* DISABLE_COM */
7601 #endif /* DISABLE_JIT */
7604 mono_pinvoke_is_unicode (MonoMethodPInvoke *piinfo)
7606 switch (piinfo->piflags & PINVOKE_ATTRIBUTE_CHAR_SET_MASK) {
7607 case PINVOKE_ATTRIBUTE_CHAR_SET_ANSI:
7609 case PINVOKE_ATTRIBUTE_CHAR_SET_UNICODE:
7611 case PINVOKE_ATTRIBUTE_CHAR_SET_AUTO:
7623 emit_marshal_array (EmitMarshalContext *m, int argnum, MonoType *t,
7624 MonoMarshalSpec *spec,
7625 int conv_arg, MonoType **conv_arg_type,
7626 MarshalAction action)
7630 case MARSHAL_ACTION_CONV_IN:
7631 *conv_arg_type = &mono_defaults.object_class->byval_arg;
7633 case MARSHAL_ACTION_MANAGED_CONV_IN:
7634 *conv_arg_type = &mono_defaults.int_class->byval_arg;
7638 MonoMethodBuilder *mb = m->mb;
7639 MonoClass *klass = mono_class_from_mono_type (t);
7640 gboolean need_convert, need_free;
7641 MonoMarshalNative encoding;
7643 encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
7646 case MARSHAL_ACTION_CONV_IN:
7647 *conv_arg_type = &mono_defaults.object_class->byval_arg;
7648 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
7650 if (klass->element_class->blittable) {
7651 mono_mb_emit_ldarg (mb, argnum);
7653 mono_mb_emit_byte (mb, CEE_LDIND_I);
7654 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_ARRAY_LPARRAY));
7655 mono_mb_emit_stloc (mb, conv_arg);
7658 guint32 label1, label2, label3;
7659 int index_var, src_var, dest_ptr, esize;
7660 MonoMarshalConv conv;
7661 gboolean is_string = FALSE;
7663 dest_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7665 eklass = klass->element_class;
7667 if (eklass == mono_defaults.string_class) {
7669 conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
7671 else if (eklass == mono_defaults.stringbuilder_class) {
7673 conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
7678 if (is_string && conv == -1) {
7679 char *msg = g_strdup_printf ("string/stringbuilder marshalling conversion %d not implemented", encoding);
7680 mono_mb_emit_exception_marshal_directive (mb, msg);
7684 src_var = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
7685 mono_mb_emit_ldarg (mb, argnum);
7687 mono_mb_emit_byte (mb, CEE_LDIND_I);
7688 mono_mb_emit_stloc (mb, src_var);
7691 mono_mb_emit_ldloc (mb, src_var);
7692 mono_mb_emit_stloc (mb, conv_arg);
7693 mono_mb_emit_ldloc (mb, src_var);
7694 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
7697 esize = sizeof (gpointer);
7698 else if (eklass == mono_defaults.char_class) /*can't call mono_marshal_type_size since it causes all sorts of asserts*/
7699 esize = mono_pinvoke_is_unicode (m->piinfo) ? 2 : 1;
7701 esize = mono_class_native_size (eklass, NULL);
7703 /* allocate space for the native struct and store the address */
7704 mono_mb_emit_icon (mb, esize);
7705 mono_mb_emit_ldloc (mb, src_var);
7706 mono_mb_emit_byte (mb, CEE_LDLEN);
7708 if (eklass == mono_defaults.string_class) {
7709 /* Make the array bigger for the terminating null */
7710 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
7711 mono_mb_emit_byte (mb, CEE_ADD);
7713 mono_mb_emit_byte (mb, CEE_MUL);
7714 mono_mb_emit_byte (mb, CEE_PREFIX1);
7715 mono_mb_emit_byte (mb, CEE_LOCALLOC);
7716 mono_mb_emit_stloc (mb, conv_arg);
7718 mono_mb_emit_ldloc (mb, conv_arg);
7719 mono_mb_emit_stloc (mb, dest_ptr);
7721 /* Emit marshalling loop */
7722 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7723 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7724 mono_mb_emit_stloc (mb, index_var);
7725 label2 = mono_mb_get_label (mb);
7726 mono_mb_emit_ldloc (mb, index_var);
7727 mono_mb_emit_ldloc (mb, src_var);
7728 mono_mb_emit_byte (mb, CEE_LDLEN);
7729 label3 = mono_mb_emit_branch (mb, CEE_BGE);
7731 /* Emit marshalling code */
7734 mono_mb_emit_ldloc (mb, dest_ptr);
7735 mono_mb_emit_ldloc (mb, src_var);
7736 mono_mb_emit_ldloc (mb, index_var);
7737 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
7738 mono_mb_emit_icall (mb, conv_to_icall (conv));
7739 mono_mb_emit_byte (mb, CEE_STIND_I);
7741 /* set the src_ptr */
7742 mono_mb_emit_ldloc (mb, src_var);
7743 mono_mb_emit_ldloc (mb, index_var);
7744 mono_mb_emit_op (mb, CEE_LDELEMA, eklass);
7745 mono_mb_emit_stloc (mb, 0);
7748 mono_mb_emit_ldloc (mb, dest_ptr);
7749 mono_mb_emit_stloc (mb, 1);
7751 /* emit valuetype conversion code */
7752 emit_struct_conv_full (mb, eklass, FALSE, eklass == mono_defaults.char_class ? encoding : -1);
7755 mono_mb_emit_add_to_local (mb, index_var, 1);
7756 mono_mb_emit_add_to_local (mb, dest_ptr, esize);
7758 mono_mb_emit_branch_label (mb, CEE_BR, label2);
7760 mono_mb_patch_branch (mb, label3);
7762 if (eklass == mono_defaults.string_class) {
7763 /* Null terminate */
7764 mono_mb_emit_ldloc (mb, dest_ptr);
7765 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7766 mono_mb_emit_byte (mb, CEE_STIND_REF);
7769 mono_mb_patch_branch (mb, label1);
7774 case MARSHAL_ACTION_CONV_OUT:
7775 /* Unicode character arrays are implicitly marshalled as [Out] under MS.NET */
7776 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);
7777 need_free = mono_marshal_need_free (&klass->element_class->byval_arg,
7780 if (need_convert || need_free) {
7781 /* FIXME: Optimize blittable case */
7783 guint32 label1, label2, label3;
7784 int index_var, src_ptr, loc, esize;
7786 eklass = klass->element_class;
7787 if ((eklass == mono_defaults.stringbuilder_class) || (eklass == mono_defaults.string_class))
7788 esize = sizeof (gpointer);
7789 else if (eklass == mono_defaults.char_class)
7790 esize = mono_pinvoke_is_unicode (m->piinfo) ? 2 : 1;
7792 esize = mono_class_native_size (eklass, NULL);
7793 src_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7794 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7797 mono_mb_emit_ldarg (mb, argnum);
7799 mono_mb_emit_byte (mb, CEE_LDIND_I);
7800 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
7802 mono_mb_emit_ldloc (mb, conv_arg);
7803 mono_mb_emit_stloc (mb, src_ptr);
7805 /* Emit marshalling loop */
7806 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7807 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7808 mono_mb_emit_stloc (mb, index_var);
7809 label2 = mono_mb_get_label (mb);
7810 mono_mb_emit_ldloc (mb, index_var);
7811 mono_mb_emit_ldarg (mb, argnum);
7813 mono_mb_emit_byte (mb, CEE_LDIND_REF);
7814 mono_mb_emit_byte (mb, CEE_LDLEN);
7815 label3 = mono_mb_emit_branch (mb, CEE_BGE);
7817 /* Emit marshalling code */
7819 if (eklass == mono_defaults.stringbuilder_class) {
7820 gboolean need_free2;
7821 MonoMarshalConv conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free2);
7823 g_assert (conv != -1);
7826 mono_mb_emit_ldarg (mb, argnum);
7828 mono_mb_emit_byte (mb, CEE_LDIND_I);
7829 mono_mb_emit_ldloc (mb, index_var);
7830 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
7833 mono_mb_emit_ldloc (mb, src_ptr);
7834 mono_mb_emit_byte (mb, CEE_LDIND_I);
7836 mono_mb_emit_icall (mb, conv_to_icall (conv));
7840 mono_mb_emit_ldloc (mb, src_ptr);
7841 mono_mb_emit_byte (mb, CEE_LDIND_I);
7843 mono_mb_emit_icall (mb, mono_marshal_free);
7846 else if (eklass == mono_defaults.string_class) {
7849 mono_mb_emit_ldloc (mb, src_ptr);
7850 mono_mb_emit_byte (mb, CEE_LDIND_I);
7852 mono_mb_emit_icall (mb, mono_marshal_free);
7857 /* set the src_ptr */
7858 mono_mb_emit_ldloc (mb, src_ptr);
7859 mono_mb_emit_stloc (mb, 0);
7862 mono_mb_emit_ldarg (mb, argnum);
7864 mono_mb_emit_byte (mb, CEE_LDIND_REF);
7865 mono_mb_emit_ldloc (mb, index_var);
7866 mono_mb_emit_op (mb, CEE_LDELEMA, eklass);
7867 mono_mb_emit_stloc (mb, 1);
7869 /* emit valuetype conversion code */
7870 emit_struct_conv_full (mb, eklass, TRUE, eklass == mono_defaults.char_class ? encoding : -1);
7874 mono_mb_emit_ldloc (mb, src_ptr);
7875 mono_mb_emit_stloc (mb, loc);
7876 mono_mb_emit_ldloc (mb, loc);
7878 emit_struct_free (mb, eklass, loc);
7882 mono_mb_emit_add_to_local (mb, index_var, 1);
7883 mono_mb_emit_add_to_local (mb, src_ptr, esize);
7885 mono_mb_emit_branch_label (mb, CEE_BR, label2);
7887 mono_mb_patch_branch (mb, label1);
7888 mono_mb_patch_branch (mb, label3);
7891 if (klass->element_class->blittable) {
7892 /* free memory allocated (if any) by MONO_MARSHAL_CONV_ARRAY_LPARRAY */
7894 mono_mb_emit_ldarg (mb, argnum);
7895 mono_mb_emit_ldloc (mb, conv_arg);
7896 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_FREE_LPARRAY));
7901 case MARSHAL_ACTION_PUSH:
7903 mono_mb_emit_ldloc_addr (mb, conv_arg);
7905 mono_mb_emit_ldloc (mb, conv_arg);
7908 case MARSHAL_ACTION_CONV_RESULT:
7909 /* fixme: we need conversions here */
7910 mono_mb_emit_stloc (mb, 3);
7913 case MARSHAL_ACTION_MANAGED_CONV_IN: {
7915 guint32 label1, label2, label3;
7916 int index_var, src_ptr, loc, esize, param_num, num_elem;
7917 MonoMarshalConv conv;
7918 gboolean is_string = FALSE;
7920 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
7921 *conv_arg_type = &mono_defaults.int_class->byval_arg;
7924 char *msg = g_strdup ("Byref array marshalling to managed code is not implemented.");
7925 mono_mb_emit_exception_marshal_directive (mb, msg);
7929 char *msg = g_strdup ("[MarshalAs] attribute required to marshal arrays to managed code.");
7930 mono_mb_emit_exception_marshal_directive (mb, msg);
7933 if (spec->native != MONO_NATIVE_LPARRAY) {
7934 char *msg = g_strdup ("Non LPArray marshalling of arrays to managed code is not implemented.");
7935 mono_mb_emit_exception_marshal_directive (mb, msg);
7939 /* FIXME: t is from the method which is wrapped, not the delegate type */
7940 /* g_assert (t->attrs & PARAM_ATTRIBUTE_IN); */
7942 param_num = spec->data.array_data.param_num;
7943 num_elem = spec->data.array_data.num_elem;
7944 if (spec->data.array_data.elem_mult == 0)
7945 /* param_num is not specified */
7948 if (param_num == -1) {
7949 if (num_elem <= 0) {
7950 char *msg = g_strdup ("Either SizeConst or SizeParamIndex should be specified when marshalling arrays to managed code.");
7951 mono_mb_emit_exception_marshal_directive (mb, msg);
7956 /* FIXME: Optimize blittable case */
7958 eklass = klass->element_class;
7959 if (eklass == mono_defaults.string_class) {
7961 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
7963 else if (eklass == mono_defaults.stringbuilder_class) {
7965 conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free);
7970 mono_marshal_load_type_info (eklass);
7973 esize = sizeof (gpointer);
7975 esize = mono_class_native_size (eklass, NULL);
7976 src_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7977 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7979 mono_mb_emit_byte (mb, CEE_LDNULL);
7980 mono_mb_emit_stloc (mb, conv_arg);
7982 /* Check param index */
7983 if (param_num != -1) {
7984 if (param_num >= m->sig->param_count) {
7985 char *msg = g_strdup ("Array size control parameter index is out of range.");
7986 mono_mb_emit_exception_marshal_directive (mb, msg);
7989 switch (m->sig->params [param_num]->type) {
8002 char *msg = g_strdup ("Array size control parameter must be an integral type.");
8003 mono_mb_emit_exception_marshal_directive (mb, msg);
8010 mono_mb_emit_ldarg (mb, argnum);
8011 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
8013 mono_mb_emit_ldarg (mb, argnum);
8014 mono_mb_emit_stloc (mb, src_ptr);
8016 /* Create managed array */
8018 * The LPArray marshalling spec says that sometimes param_num starts
8019 * from 1, sometimes it starts from 0. But MS seems to allways start
8023 if (param_num == -1) {
8024 mono_mb_emit_icon (mb, num_elem);
8026 mono_mb_emit_ldarg (mb, param_num);
8028 mono_mb_emit_icon (mb, num_elem);
8029 mono_mb_emit_byte (mb, CEE_ADD);
8031 mono_mb_emit_byte (mb, CEE_CONV_OVF_I);
8034 mono_mb_emit_op (mb, CEE_NEWARR, eklass);
8035 mono_mb_emit_stloc (mb, conv_arg);
8037 if (eklass->blittable) {
8038 mono_mb_emit_ldloc (mb, conv_arg);
8039 mono_mb_emit_byte (mb, CEE_CONV_I);
8040 mono_mb_emit_icon (mb, MONO_STRUCT_OFFSET (MonoArray, vector));
8041 mono_mb_emit_byte (mb, CEE_ADD);
8042 mono_mb_emit_ldarg (mb, argnum);
8043 mono_mb_emit_ldloc (mb, conv_arg);
8044 mono_mb_emit_byte (mb, CEE_LDLEN);
8045 mono_mb_emit_icon (mb, esize);
8046 mono_mb_emit_byte (mb, CEE_MUL);
8047 mono_mb_emit_byte (mb, CEE_PREFIX1);
8048 mono_mb_emit_byte (mb, CEE_CPBLK);
8052 /* Emit marshalling loop */
8053 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8054 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
8055 mono_mb_emit_stloc (mb, index_var);
8056 label2 = mono_mb_get_label (mb);
8057 mono_mb_emit_ldloc (mb, index_var);
8058 mono_mb_emit_ldloc (mb, conv_arg);
8059 mono_mb_emit_byte (mb, CEE_LDLEN);
8060 label3 = mono_mb_emit_branch (mb, CEE_BGE);
8062 /* Emit marshalling code */
8064 g_assert (conv != -1);
8066 mono_mb_emit_ldloc (mb, conv_arg);
8067 mono_mb_emit_ldloc (mb, index_var);
8069 mono_mb_emit_ldloc (mb, src_ptr);
8070 mono_mb_emit_byte (mb, CEE_LDIND_I);
8072 mono_mb_emit_icall (mb, conv_to_icall (conv));
8073 mono_mb_emit_byte (mb, CEE_STELEM_REF);
8076 char *msg = g_strdup ("Marshalling of non-string and non-blittable arrays to managed code is not implemented.");
8077 mono_mb_emit_exception_marshal_directive (mb, msg);
8081 mono_mb_emit_add_to_local (mb, index_var, 1);
8082 mono_mb_emit_add_to_local (mb, src_ptr, esize);
8084 mono_mb_emit_branch_label (mb, CEE_BR, label2);
8086 mono_mb_patch_branch (mb, label1);
8087 mono_mb_patch_branch (mb, label3);
8091 case MARSHAL_ACTION_MANAGED_CONV_OUT: {
8093 guint32 label1, label2, label3;
8094 int index_var, dest_ptr, loc, esize, param_num, num_elem;
8095 MonoMarshalConv conv;
8096 gboolean is_string = FALSE;
8099 /* Already handled in CONV_IN */
8102 /* These are already checked in CONV_IN */
8103 g_assert (!t->byref);
8104 g_assert (spec->native == MONO_NATIVE_LPARRAY);
8105 g_assert (t->attrs & PARAM_ATTRIBUTE_OUT);
8107 param_num = spec->data.array_data.param_num;
8108 num_elem = spec->data.array_data.num_elem;
8110 if (spec->data.array_data.elem_mult == 0)
8111 /* param_num is not specified */
8114 if (param_num == -1) {
8115 if (num_elem <= 0) {
8116 g_assert_not_reached ();
8120 /* FIXME: Optimize blittable case */
8122 eklass = klass->element_class;
8123 if (eklass == mono_defaults.string_class) {
8125 conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
8127 else if (eklass == mono_defaults.stringbuilder_class) {
8129 conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
8134 mono_marshal_load_type_info (eklass);
8137 esize = sizeof (gpointer);
8139 esize = mono_class_native_size (eklass, NULL);
8141 dest_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8142 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8145 mono_mb_emit_ldloc (mb, conv_arg);
8146 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
8148 mono_mb_emit_ldarg (mb, argnum);
8149 mono_mb_emit_stloc (mb, dest_ptr);
8151 if (eklass->blittable) {
8153 mono_mb_emit_ldarg (mb, argnum);
8155 mono_mb_emit_ldloc (mb, conv_arg);
8156 mono_mb_emit_byte (mb, CEE_CONV_I);
8157 mono_mb_emit_icon (mb, MONO_STRUCT_OFFSET (MonoArray, vector));
8158 mono_mb_emit_byte (mb, CEE_ADD);
8160 mono_mb_emit_ldloc (mb, conv_arg);
8161 mono_mb_emit_byte (mb, CEE_LDLEN);
8162 mono_mb_emit_icon (mb, esize);
8163 mono_mb_emit_byte (mb, CEE_MUL);
8164 mono_mb_emit_byte (mb, CEE_PREFIX1);
8165 mono_mb_emit_byte (mb, CEE_CPBLK);
8169 /* Emit marshalling loop */
8170 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8171 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
8172 mono_mb_emit_stloc (mb, index_var);
8173 label2 = mono_mb_get_label (mb);
8174 mono_mb_emit_ldloc (mb, index_var);
8175 mono_mb_emit_ldloc (mb, conv_arg);
8176 mono_mb_emit_byte (mb, CEE_LDLEN);
8177 label3 = mono_mb_emit_branch (mb, CEE_BGE);
8179 /* Emit marshalling code */
8181 g_assert (conv != -1);
8184 mono_mb_emit_ldloc (mb, dest_ptr);
8187 mono_mb_emit_ldloc (mb, conv_arg);
8188 mono_mb_emit_ldloc (mb, index_var);
8190 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
8192 mono_mb_emit_icall (mb, conv_to_icall (conv));
8193 mono_mb_emit_byte (mb, CEE_STIND_I);
8196 char *msg = g_strdup ("Marshalling of non-string and non-blittable arrays to managed code is not implemented.");
8197 mono_mb_emit_exception_marshal_directive (mb, msg);
8201 mono_mb_emit_add_to_local (mb, index_var, 1);
8202 mono_mb_emit_add_to_local (mb, dest_ptr, esize);
8204 mono_mb_emit_branch_label (mb, CEE_BR, label2);
8206 mono_mb_patch_branch (mb, label1);
8207 mono_mb_patch_branch (mb, label3);
8211 case MARSHAL_ACTION_MANAGED_CONV_RESULT: {
8213 guint32 label1, label2, label3;
8214 int index_var, src, dest, esize;
8215 MonoMarshalConv conv = -1;
8216 gboolean is_string = FALSE;
8218 g_assert (!t->byref);
8220 eklass = klass->element_class;
8222 mono_marshal_load_type_info (eklass);
8224 if (eklass == mono_defaults.string_class) {
8226 conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
8229 g_assert_not_reached ();
8233 esize = sizeof (gpointer);
8234 else if (eklass == mono_defaults.char_class)
8235 esize = mono_pinvoke_is_unicode (m->piinfo) ? 2 : 1;
8237 esize = mono_class_native_size (eklass, NULL);
8239 src = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
8240 dest = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8242 mono_mb_emit_stloc (mb, src);
8243 mono_mb_emit_ldloc (mb, src);
8244 mono_mb_emit_stloc (mb, 3);
8246 /* Check for null */
8247 mono_mb_emit_ldloc (mb, src);
8248 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
8250 /* Allocate native array */
8251 mono_mb_emit_icon (mb, esize);
8252 mono_mb_emit_ldloc (mb, src);
8253 mono_mb_emit_byte (mb, CEE_LDLEN);
8255 if (eklass == mono_defaults.string_class) {
8256 /* Make the array bigger for the terminating null */
8257 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
8258 mono_mb_emit_byte (mb, CEE_ADD);
8260 mono_mb_emit_byte (mb, CEE_MUL);
8261 mono_mb_emit_icall (mb, mono_marshal_alloc);
8262 mono_mb_emit_stloc (mb, dest);
8263 mono_mb_emit_ldloc (mb, dest);
8264 mono_mb_emit_stloc (mb, 3);
8266 /* Emit marshalling loop */
8267 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8268 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
8269 mono_mb_emit_stloc (mb, index_var);
8270 label2 = mono_mb_get_label (mb);
8271 mono_mb_emit_ldloc (mb, index_var);
8272 mono_mb_emit_ldloc (mb, src);
8273 mono_mb_emit_byte (mb, CEE_LDLEN);
8274 label3 = mono_mb_emit_branch (mb, CEE_BGE);
8276 /* Emit marshalling code */
8278 g_assert (conv != -1);
8281 mono_mb_emit_ldloc (mb, dest);
8284 mono_mb_emit_ldloc (mb, src);
8285 mono_mb_emit_ldloc (mb, index_var);
8287 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
8289 mono_mb_emit_icall (mb, conv_to_icall (conv));
8290 mono_mb_emit_byte (mb, CEE_STIND_I);
8293 char *msg = g_strdup ("Marshalling of non-string arrays to managed code is not implemented.");
8294 mono_mb_emit_exception_marshal_directive (mb, msg);
8298 mono_mb_emit_add_to_local (mb, index_var, 1);
8299 mono_mb_emit_add_to_local (mb, dest, esize);
8301 mono_mb_emit_branch_label (mb, CEE_BR, label2);
8303 mono_mb_patch_branch (mb, label3);
8304 mono_mb_patch_branch (mb, label1);
8308 g_assert_not_reached ();
8315 marshal_boolean_conv_in_get_local_type (MonoMarshalSpec *spec, guint8 *ldc_op /*out*/)
8318 return &mono_defaults.int32_class->byval_arg;
8320 switch (spec->native) {
8321 case MONO_NATIVE_I1:
8322 case MONO_NATIVE_U1:
8323 return &mono_defaults.byte_class->byval_arg;
8324 case MONO_NATIVE_VARIANTBOOL:
8325 if (ldc_op) *ldc_op = CEE_LDC_I4_M1;
8326 return &mono_defaults.int16_class->byval_arg;
8327 case MONO_NATIVE_BOOLEAN:
8328 return &mono_defaults.int32_class->byval_arg;
8330 g_warning ("marshalling bool as native type %x is currently not supported", spec->native);
8331 return &mono_defaults.int32_class->byval_arg;
8337 marshal_boolean_managed_conv_in_get_conv_arg_class (MonoMarshalSpec *spec, guint8 *ldop/*out*/)
8339 MonoClass* conv_arg_class = mono_defaults.int32_class;
8341 switch (spec->native) {
8342 case MONO_NATIVE_I1:
8343 case MONO_NATIVE_U1:
8344 conv_arg_class = mono_defaults.byte_class;
8345 if (ldop) *ldop = CEE_LDIND_I1;
8347 case MONO_NATIVE_VARIANTBOOL:
8348 conv_arg_class = mono_defaults.int16_class;
8349 if (ldop) *ldop = CEE_LDIND_I2;
8351 case MONO_NATIVE_BOOLEAN:
8354 g_warning ("marshalling bool as native type %x is currently not supported", spec->native);
8357 return conv_arg_class;
8361 emit_marshal_boolean (EmitMarshalContext *m, int argnum, MonoType *t,
8362 MonoMarshalSpec *spec,
8363 int conv_arg, MonoType **conv_arg_type,
8364 MarshalAction action)
8368 case MARSHAL_ACTION_CONV_IN:
8370 *conv_arg_type = &mono_defaults.int_class->byval_arg;
8372 *conv_arg_type = marshal_boolean_conv_in_get_local_type (spec, NULL);
8375 case MARSHAL_ACTION_MANAGED_CONV_IN: {
8376 MonoClass* conv_arg_class = marshal_boolean_managed_conv_in_get_conv_arg_class (spec, NULL);
8378 *conv_arg_type = &conv_arg_class->this_arg;
8380 *conv_arg_type = &conv_arg_class->byval_arg;
8386 MonoMethodBuilder *mb = m->mb;
8389 case MARSHAL_ACTION_CONV_IN: {
8390 MonoType *local_type;
8392 guint8 ldc_op = CEE_LDC_I4_1;
8394 local_type = marshal_boolean_conv_in_get_local_type (spec, &ldc_op);
8396 *conv_arg_type = &mono_defaults.int_class->byval_arg;
8398 *conv_arg_type = local_type;
8399 conv_arg = mono_mb_add_local (mb, local_type);
8401 mono_mb_emit_ldarg (mb, argnum);
8403 mono_mb_emit_byte (mb, CEE_LDIND_I1);
8404 label_false = mono_mb_emit_branch (mb, CEE_BRFALSE);
8405 mono_mb_emit_byte (mb, ldc_op);
8406 mono_mb_emit_stloc (mb, conv_arg);
8407 mono_mb_patch_branch (mb, label_false);
8412 case MARSHAL_ACTION_CONV_OUT:
8414 int label_false, label_end;
8418 mono_mb_emit_ldarg (mb, argnum);
8419 mono_mb_emit_ldloc (mb, conv_arg);
8421 label_false = mono_mb_emit_branch (mb, CEE_BRFALSE);
8422 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
8424 label_end = mono_mb_emit_branch (mb, CEE_BR);
8425 mono_mb_patch_branch (mb, label_false);
8426 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
8427 mono_mb_patch_branch (mb, label_end);
8429 mono_mb_emit_byte (mb, CEE_STIND_I1);
8433 case MARSHAL_ACTION_PUSH:
8435 mono_mb_emit_ldloc_addr (mb, conv_arg);
8437 mono_mb_emit_ldloc (mb, conv_arg);
8439 mono_mb_emit_ldarg (mb, argnum);
8442 case MARSHAL_ACTION_CONV_RESULT:
8443 /* maybe we need to make sure that it fits within 8 bits */
8444 mono_mb_emit_stloc (mb, 3);
8447 case MARSHAL_ACTION_MANAGED_CONV_IN: {
8448 MonoClass* conv_arg_class = mono_defaults.int32_class;
8449 guint8 ldop = CEE_LDIND_I4;
8450 int label_null, label_false;
8452 conv_arg_class = marshal_boolean_managed_conv_in_get_conv_arg_class (spec, &ldop);
8453 conv_arg = mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
8456 *conv_arg_type = &conv_arg_class->this_arg;
8458 *conv_arg_type = &conv_arg_class->byval_arg;
8461 mono_mb_emit_ldarg (mb, argnum);
8465 label_null = mono_mb_emit_branch (mb, CEE_BRFALSE);
8466 mono_mb_emit_ldarg (mb, argnum);
8467 mono_mb_emit_byte (mb, ldop);
8471 label_false = mono_mb_emit_branch (mb, CEE_BRFALSE);
8472 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
8473 mono_mb_emit_stloc (mb, conv_arg);
8474 mono_mb_patch_branch (mb, label_false);
8477 mono_mb_patch_branch (mb, label_null);
8481 case MARSHAL_ACTION_MANAGED_CONV_OUT: {
8482 guint8 stop = CEE_STIND_I4;
8483 guint8 ldc_op = CEE_LDC_I4_1;
8484 int label_null,label_false, label_end;;
8489 switch (spec->native) {
8490 case MONO_NATIVE_I1:
8491 case MONO_NATIVE_U1:
8492 stop = CEE_STIND_I1;
8494 case MONO_NATIVE_VARIANTBOOL:
8495 stop = CEE_STIND_I2;
8496 ldc_op = CEE_LDC_I4_M1;
8504 mono_mb_emit_ldarg (mb, argnum);
8505 label_null = mono_mb_emit_branch (mb, CEE_BRFALSE);
8507 mono_mb_emit_ldarg (mb, argnum);
8508 mono_mb_emit_ldloc (mb, conv_arg);
8510 label_false = mono_mb_emit_branch (mb, CEE_BRFALSE);
8511 mono_mb_emit_byte (mb, ldc_op);
8512 label_end = mono_mb_emit_branch (mb, CEE_BR);
8514 mono_mb_patch_branch (mb, label_false);
8515 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
8516 mono_mb_patch_branch (mb, label_end);
8518 mono_mb_emit_byte (mb, stop);
8519 mono_mb_patch_branch (mb, label_null);
8524 g_assert_not_reached ();
8531 emit_marshal_ptr (EmitMarshalContext *m, int argnum, MonoType *t,
8532 MonoMarshalSpec *spec, int conv_arg,
8533 MonoType **conv_arg_type, MarshalAction action)
8536 MonoMethodBuilder *mb = m->mb;
8539 case MARSHAL_ACTION_CONV_IN:
8540 /* MS seems to allow this in some cases, ie. bxc #158 */
8542 if (MONO_TYPE_ISSTRUCT (t->data.type) && !mono_class_from_mono_type (t->data.type)->blittable) {
8543 char *msg = g_strdup_printf ("Can not marshal 'parameter #%d': Pointers can not reference marshaled structures. Use byref instead.", argnum + 1);
8544 mono_mb_emit_exception_marshal_directive (m->mb, msg);
8549 case MARSHAL_ACTION_PUSH:
8550 mono_mb_emit_ldarg (mb, argnum);
8553 case MARSHAL_ACTION_CONV_RESULT:
8554 /* no conversions necessary */
8555 mono_mb_emit_stloc (mb, 3);
8566 emit_marshal_char (EmitMarshalContext *m, int argnum, MonoType *t,
8567 MonoMarshalSpec *spec, int conv_arg,
8568 MonoType **conv_arg_type, MarshalAction action)
8571 MonoMethodBuilder *mb = m->mb;
8574 case MARSHAL_ACTION_PUSH:
8575 /* fixme: dont know how to marshal that. We cant simply
8576 * convert it to a one byte UTF8 character, because an
8577 * unicode character may need more that one byte in UTF8 */
8578 mono_mb_emit_ldarg (mb, argnum);
8581 case MARSHAL_ACTION_CONV_RESULT:
8582 /* fixme: we need conversions here */
8583 mono_mb_emit_stloc (mb, 3);
8594 emit_marshal_scalar (EmitMarshalContext *m, int argnum, MonoType *t,
8595 MonoMarshalSpec *spec, int conv_arg,
8596 MonoType **conv_arg_type, MarshalAction action)
8599 MonoMethodBuilder *mb = m->mb;
8602 case MARSHAL_ACTION_PUSH:
8603 mono_mb_emit_ldarg (mb, argnum);
8606 case MARSHAL_ACTION_CONV_RESULT:
8607 /* no conversions necessary */
8608 mono_mb_emit_stloc (mb, 3);
8619 emit_marshal (EmitMarshalContext *m, int argnum, MonoType *t,
8620 MonoMarshalSpec *spec, int conv_arg,
8621 MonoType **conv_arg_type, MarshalAction action)
8623 /* Ensure that we have marshalling info for this param */
8624 mono_marshal_load_type_info (mono_class_from_mono_type (t));
8626 if (spec && spec->native == MONO_NATIVE_CUSTOM)
8627 return emit_marshal_custom (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8629 if (spec && spec->native == MONO_NATIVE_ASANY)
8630 return emit_marshal_asany (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8633 case MONO_TYPE_VALUETYPE:
8634 if (t->data.klass == mono_defaults.handleref_class)
8635 return emit_marshal_handleref (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8637 return emit_marshal_vtype (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8638 case MONO_TYPE_STRING:
8639 return emit_marshal_string (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8640 case MONO_TYPE_CLASS:
8641 case MONO_TYPE_OBJECT:
8643 if (spec && spec->native == MONO_NATIVE_STRUCT)
8644 return emit_marshal_variant (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8646 if (spec && (spec->native == MONO_NATIVE_IUNKNOWN ||
8647 spec->native == MONO_NATIVE_IDISPATCH ||
8648 spec->native == MONO_NATIVE_INTERFACE))
8649 return mono_cominterop_emit_marshal_com_interface (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8650 if (spec && (spec->native == MONO_NATIVE_SAFEARRAY) &&
8651 (spec->data.safearray_data.elem_type == MONO_VARIANT_VARIANT) &&
8652 ((action == MARSHAL_ACTION_CONV_OUT) || (action == MARSHAL_ACTION_CONV_IN) || (action == MARSHAL_ACTION_PUSH)))
8653 return mono_cominterop_emit_marshal_safearray (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8656 if (mono_defaults.safehandle_class != NULL && t->data.klass &&
8657 mono_class_is_subclass_of (t->data.klass, mono_defaults.safehandle_class, FALSE))
8658 return emit_marshal_safehandle (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8660 return emit_marshal_object (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8661 case MONO_TYPE_ARRAY:
8662 case MONO_TYPE_SZARRAY:
8663 return emit_marshal_array (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8664 case MONO_TYPE_BOOLEAN:
8665 return emit_marshal_boolean (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8667 return emit_marshal_ptr (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8668 case MONO_TYPE_CHAR:
8669 return emit_marshal_char (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8682 case MONO_TYPE_FNPTR:
8683 return emit_marshal_scalar (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8684 case MONO_TYPE_GENERICINST:
8685 if (mono_type_generic_inst_is_valuetype (t))
8686 return emit_marshal_vtype (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8688 return emit_marshal_object (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8695 * mono_marshal_emit_native_wrapper:
8696 * @image: the image to use for looking up custom marshallers
8697 * @sig: The signature of the native function
8698 * @piinfo: Marshalling information
8699 * @mspecs: Marshalling information
8700 * @aot: whenever the created method will be compiled by the AOT compiler
8701 * @method: if non-NULL, the pinvoke method to call
8702 * @check_exceptions: Whenever to check for pending exceptions after the native call
8703 * @func_param: the function to call is passed as a boxed IntPtr as the first parameter
8705 * generates IL code for the pinvoke wrapper, the generated code calls @func.
8708 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)
8710 EmitMarshalContext m;
8711 MonoMethodSignature *csig;
8713 int i, argnum, *tmp_locals;
8714 int type, param_shift = 0;
8715 static MonoMethodSignature *get_last_error_sig = NULL;
8720 /* we copy the signature, so that we can set pinvoke to 0 */
8722 /* The function address is passed as the first argument */
8723 g_assert (!sig->hasthis);
8726 csig = signature_dup (mb->method->klass->image, sig);
8734 /* we allocate local for use with emit_struct_conv() */
8735 /* allocate local 0 (pointer) src_ptr */
8736 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8737 /* allocate local 1 (pointer) dst_ptr */
8738 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8739 /* allocate local 2 (boolean) delete_old */
8740 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
8742 /* delete_old = FALSE */
8743 mono_mb_emit_icon (mb, 0);
8744 mono_mb_emit_stloc (mb, 2);
8746 if (!MONO_TYPE_IS_VOID(sig->ret)) {
8747 /* allocate local 3 to store the return value */
8748 mono_mb_add_local (mb, sig->ret);
8751 if (mspecs [0] && mspecs [0]->native == MONO_NATIVE_CUSTOM) {
8752 /* Return type custom marshaling */
8754 * Since we can't determine the return type of the unmanaged function,
8755 * we assume it returns a pointer, and pass that pointer to
8756 * MarshalNativeToManaged.
8758 csig->ret = &mono_defaults.int_class->byval_arg;
8761 /* we first do all conversions */
8762 tmp_locals = alloca (sizeof (int) * sig->param_count);
8763 m.orig_conv_args = alloca (sizeof (int) * (sig->param_count + 1));
8765 for (i = 0; i < sig->param_count; i ++) {
8766 tmp_locals [i] = emit_marshal (&m, i + param_shift, sig->params [i], mspecs [i + 1], 0, &csig->params [i], MARSHAL_ACTION_CONV_IN);
8769 /* push all arguments */
8772 mono_mb_emit_byte (mb, CEE_LDARG_0);
8774 for (i = 0; i < sig->param_count; i++) {
8775 emit_marshal (&m, i + param_shift, sig->params [i], mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_PUSH);
8778 /* call the native method */
8780 mono_mb_emit_byte (mb, CEE_LDARG_0);
8781 mono_mb_emit_op (mb, CEE_UNBOX, mono_defaults.int_class);
8782 mono_mb_emit_byte (mb, CEE_LDIND_I);
8783 mono_mb_emit_calli (mb, csig);
8784 } else if (MONO_CLASS_IS_IMPORT (mb->method->klass)) {
8786 mono_mb_emit_cominterop_call (mb, csig, &piinfo->method);
8788 g_assert_not_reached ();
8793 /* Reuse the ICALL_ADDR opcode for pinvokes too */
8794 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
8795 mono_mb_emit_op (mb, CEE_MONO_ICALL_ADDR, &piinfo->method);
8796 mono_mb_emit_calli (mb, csig);
8798 mono_mb_emit_native_call (mb, csig, func);
8802 /* Set LastError if needed */
8803 if (piinfo->piflags & PINVOKE_ATTRIBUTE_SUPPORTS_LAST_ERROR) {
8804 if (!get_last_error_sig) {
8805 get_last_error_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
8806 get_last_error_sig->ret = &mono_defaults.int_class->byval_arg;
8807 get_last_error_sig->pinvoke = 1;
8812 * Have to call GetLastError () early and without a wrapper, since various runtime components could
8813 * clobber its value.
8815 mono_mb_emit_native_call (mb, get_last_error_sig, GetLastError);
8816 mono_mb_emit_icall (mb, mono_marshal_set_last_error_windows);
8818 mono_mb_emit_icall (mb, mono_marshal_set_last_error);
8822 /* convert the result */
8823 if (!sig->ret->byref) {
8824 MonoMarshalSpec *spec = mspecs [0];
8825 type = sig->ret->type;
8827 if (spec && spec->native == MONO_NATIVE_CUSTOM) {
8828 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
8833 case MONO_TYPE_VOID:
8835 case MONO_TYPE_VALUETYPE:
8836 klass = sig->ret->data.klass;
8837 if (klass->enumtype) {
8838 type = mono_class_enum_basetype (sig->ret->data.klass)->type;
8841 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
8855 case MONO_TYPE_FNPTR:
8856 case MONO_TYPE_STRING:
8857 case MONO_TYPE_CLASS:
8858 case MONO_TYPE_OBJECT:
8859 case MONO_TYPE_BOOLEAN:
8860 case MONO_TYPE_ARRAY:
8861 case MONO_TYPE_SZARRAY:
8862 case MONO_TYPE_CHAR:
8864 case MONO_TYPE_GENERICINST:
8865 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
8867 case MONO_TYPE_TYPEDBYREF:
8869 g_warning ("return type 0x%02x unknown", sig->ret->type);
8870 g_assert_not_reached ();
8874 mono_mb_emit_stloc (mb, 3);
8878 * Need to call this after converting the result since MONO_VTADDR needs
8879 * to be adjacent to the call instruction.
8881 if (check_exceptions)
8882 emit_thread_interrupt_checkpoint (mb);
8884 /* we need to convert byref arguments back and free string arrays */
8885 for (i = 0; i < sig->param_count; i++) {
8886 MonoType *t = sig->params [i];
8887 MonoMarshalSpec *spec = mspecs [i + 1];
8889 argnum = i + param_shift;
8891 if (spec && ((spec->native == MONO_NATIVE_CUSTOM) || (spec->native == MONO_NATIVE_ASANY))) {
8892 emit_marshal (&m, argnum, t, spec, tmp_locals [i], NULL, MARSHAL_ACTION_CONV_OUT);
8897 case MONO_TYPE_STRING:
8898 case MONO_TYPE_VALUETYPE:
8899 case MONO_TYPE_CLASS:
8900 case MONO_TYPE_OBJECT:
8901 case MONO_TYPE_SZARRAY:
8902 case MONO_TYPE_BOOLEAN:
8903 emit_marshal (&m, argnum, t, spec, tmp_locals [i], NULL, MARSHAL_ACTION_CONV_OUT);
8908 if (!MONO_TYPE_IS_VOID(sig->ret))
8909 mono_mb_emit_ldloc (mb, 3);
8911 mono_mb_emit_byte (mb, CEE_RET);
8913 #endif /* DISABLE_JIT */
8916 G_GNUC_UNUSED static void
8917 code_for (MonoMethod *method) {
8918 MonoMethodHeader *header = mono_method_get_header (method);
8919 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));
8923 * mono_marshal_get_native_wrapper:
8924 * @method: The MonoMethod to wrap.
8925 * @check_exceptions: Whenever to check for pending exceptions
8927 * generates IL code for the pinvoke wrapper (the generated method
8928 * calls the unmanaged code in piinfo->addr)
8929 * The wrapper info for the wrapper is a WrapperInfo structure.
8932 mono_marshal_get_native_wrapper (MonoMethod *method, gboolean check_exceptions, gboolean aot)
8934 MonoMethodSignature *sig, *csig;
8935 MonoMethodPInvoke *piinfo = (MonoMethodPInvoke *) method;
8936 MonoMethodBuilder *mb;
8937 MonoMarshalSpec **mspecs;
8940 gboolean pinvoke = FALSE;
8943 const char *exc_class = "MissingMethodException";
8944 const char *exc_arg = NULL;
8947 g_assert (method != NULL);
8948 g_assert (mono_method_signature (method)->pinvoke);
8951 cache = get_cache (&method->klass->image->native_wrapper_aot_cache, mono_aligned_addr_hash, NULL);
8953 cache = get_cache (&method->klass->image->native_wrapper_cache, mono_aligned_addr_hash, NULL);
8954 if ((res = mono_marshal_find_in_cache (cache, method)))
8957 if (MONO_CLASS_IS_IMPORT (method->klass)) {
8959 return mono_cominterop_get_native_wrapper (method);
8961 g_assert_not_reached ();
8965 sig = mono_method_signature (method);
8967 if (!(method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
8968 (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL))
8971 if (!piinfo->addr) {
8973 if (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)
8974 exc_arg = "Method contains unsupported native code";
8976 mono_lookup_pinvoke_call (method, &exc_class, &exc_arg);
8978 piinfo->addr = mono_lookup_internal_call (method);
8982 /* hack - redirect certain string constructors to CreateString */
8983 if (piinfo->addr == ves_icall_System_String_ctor_RedirectToCreateString) {
8984 g_assert (!pinvoke);
8985 g_assert (method->string_ctor);
8986 g_assert (sig->hasthis);
8988 /* CreateString returns a value */
8989 csig = signature_dup (method->klass->image, sig);
8990 csig->ret = &mono_defaults.string_class->byval_arg;
8994 while ((res = mono_class_get_methods (mono_defaults.string_class, &iter))) {
8995 if (!strcmp ("CreateString", res->name) &&
8996 mono_metadata_signature_equal (csig, mono_method_signature (res))) {
8999 g_assert (!(res->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL));
9000 g_assert (!(res->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL));
9002 /* create a wrapper to preserve .ctor in stack trace */
9003 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_MANAGED_TO_MANAGED);
9006 mono_mb_emit_byte (mb, CEE_LDARG_0);
9007 for (i = 1; i <= csig->param_count; i++)
9008 mono_mb_emit_ldarg (mb, i);
9009 mono_mb_emit_managed_call (mb, res, NULL);
9010 mono_mb_emit_byte (mb, CEE_RET);
9013 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_STRING_CTOR);
9014 info->d.string_ctor.method = method;
9016 /* use native_wrapper_cache because internal calls are looked up there */
9017 res = mono_mb_create_and_cache_full (cache, method, mb, csig,
9018 csig->param_count + 1, info, NULL);
9025 /* exception will be thrown */
9026 piinfo->addr = NULL;
9027 g_warning ("cannot find CreateString for .ctor");
9030 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_MANAGED_TO_NATIVE);
9032 mb->method->save_lmf = 1;
9035 * In AOT mode and embedding scenarios, it is possible that the icall is not
9036 * registered in the runtime doing the AOT compilation.
9038 if (!piinfo->addr && !aot) {
9040 mono_mb_emit_exception (mb, exc_class, exc_arg);
9042 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NONE);
9043 info->d.managed_to_native.method = method;
9045 csig = signature_dup (method->klass->image, sig);
9047 res = mono_mb_create_and_cache_full (cache, method, mb, csig,
9048 csig->param_count + 16, info, NULL);
9054 /* internal calls: we simply push all arguments and call the method (no conversions) */
9055 if (method->iflags & (METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL | METHOD_IMPL_ATTRIBUTE_RUNTIME)) {
9057 csig = signature_dup_add_this (method->klass->image, sig, method->klass);
9059 csig = signature_dup (method->klass->image, sig);
9061 /* hack - string constructors returns a value */
9062 if (method->string_ctor)
9063 csig->ret = &mono_defaults.string_class->byval_arg;
9070 * Add a null check since public icalls can be called with 'call' which
9071 * does no such check.
9073 mono_mb_emit_byte (mb, CEE_LDARG_0);
9074 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
9075 mono_mb_emit_exception (mb, "NullReferenceException", NULL);
9076 mono_mb_patch_branch (mb, pos);
9078 mono_mb_emit_byte (mb, CEE_LDARG_0);
9081 for (i = 0; i < sig->param_count; i++)
9082 mono_mb_emit_ldarg (mb, i + sig->hasthis);
9085 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
9086 mono_mb_emit_op (mb, CEE_MONO_ICALL_ADDR, &piinfo->method);
9087 mono_mb_emit_calli (mb, csig);
9089 g_assert (piinfo->addr);
9090 mono_mb_emit_native_call (mb, csig, piinfo->addr);
9092 if (check_exceptions)
9093 emit_thread_interrupt_checkpoint (mb);
9094 mono_mb_emit_byte (mb, CEE_RET);
9096 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NONE);
9097 info->d.managed_to_native.method = method;
9099 csig = signature_dup (method->klass->image, csig);
9101 res = mono_mb_create_and_cache_full (cache, method, mb, csig, csig->param_count + 16,
9110 g_assert (piinfo->addr);
9113 mspecs = g_new (MonoMarshalSpec*, sig->param_count + 1);
9114 mono_method_get_marshal_info (method, mspecs);
9116 mono_marshal_emit_native_wrapper (mb->method->klass->image, mb, sig, piinfo, mspecs, piinfo->addr, aot, check_exceptions, FALSE);
9118 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_PINVOKE);
9119 info->d.managed_to_native.method = method;
9121 csig = signature_dup (method->klass->image, sig);
9123 res = mono_mb_create_and_cache_full (cache, method, mb, csig, csig->param_count + 16,
9128 for (i = sig->param_count; i >= 0; i--)
9130 mono_metadata_free_marshal_spec (mspecs [i]);
9134 /* code_for (res); */
9140 * mono_marshal_get_native_func_wrapper:
9141 * @image: The image to use for memory allocation and for looking up custom marshallers.
9142 * @sig: The signature of the function
9143 * @func: The native function to wrap
9145 * Returns a wrapper method around native functions, similar to the pinvoke
9149 mono_marshal_get_native_func_wrapper (MonoImage *image, MonoMethodSignature *sig,
9150 MonoMethodPInvoke *piinfo, MonoMarshalSpec **mspecs, gpointer func)
9152 MonoMethodSignature *csig;
9154 MonoMethodBuilder *mb;
9159 cache = get_cache (&image->native_wrapper_cache, mono_aligned_addr_hash, NULL);
9160 if ((res = mono_marshal_find_in_cache (cache, func)))
9163 name = g_strdup_printf ("wrapper_native_%p", func);
9164 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_MANAGED_TO_NATIVE);
9165 mb->method->save_lmf = 1;
9168 mono_marshal_emit_native_wrapper (image, mb, sig, piinfo, mspecs, func, FALSE, TRUE, FALSE);
9171 csig = signature_dup (image, sig);
9173 res = mono_mb_create_and_cache (cache, func,
9174 mb, csig, csig->param_count + 16);
9177 mono_marshal_set_wrapper_info (res, NULL);
9183 * The wrapper receives the native function as a boxed IntPtr as its 'this' argument. This is easier to support in
9187 mono_marshal_get_native_func_wrapper_aot (MonoClass *klass)
9189 MonoMethodSignature *sig, *csig;
9190 MonoMethodBuilder *mb;
9195 MonoMethodPInvoke mpiinfo;
9196 MonoMethodPInvoke *piinfo = &mpiinfo;
9197 MonoMarshalSpec **mspecs;
9198 MonoMethod *invoke = mono_get_delegate_invoke (klass);
9199 MonoImage *image = invoke->klass->image;
9202 // FIXME: include UnmanagedFunctionPointerAttribute info
9205 * The wrapper is associated with the delegate type, to pick up the marshalling info etc.
9207 cache = get_cache (&image->native_func_wrapper_aot_cache, mono_aligned_addr_hash, NULL);
9208 if ((res = mono_marshal_find_in_cache (cache, invoke)))
9211 memset (&mpiinfo, 0, sizeof (mpiinfo));
9212 parse_unmanaged_function_pointer_attr (klass, &mpiinfo);
9214 mspecs = g_new0 (MonoMarshalSpec*, mono_method_signature (invoke)->param_count + 1);
9215 mono_method_get_marshal_info (invoke, mspecs);
9216 /* Freed below so don't alloc from mempool */
9217 sig = mono_metadata_signature_dup (mono_method_signature (invoke));
9220 name = g_strdup_printf ("wrapper_aot_native");
9221 mb = mono_mb_new (invoke->klass, name, MONO_WRAPPER_MANAGED_TO_NATIVE);
9222 mb->method->save_lmf = 1;
9225 mono_marshal_emit_native_wrapper (image, mb, sig, piinfo, mspecs, NULL, FALSE, TRUE, TRUE);
9228 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NATIVE_FUNC_AOT);
9229 info->d.managed_to_native.method = invoke;
9231 g_assert (!sig->hasthis);
9232 csig = signature_dup_add_this (image, sig, mono_defaults.int_class);
9234 res = mono_mb_create_and_cache_full (cache, invoke,
9235 mb, csig, csig->param_count + 16,
9239 for (i = mono_method_signature (invoke)->param_count; i >= 0; i--)
9241 mono_metadata_free_marshal_spec (mspecs [i]);
9249 * mono_marshal_emit_managed_wrapper:
9251 * Emit the body of a native-to-managed wrapper. INVOKE_SIG is the signature of
9252 * the delegate which wraps the managed method to be called. For closed delegates,
9253 * it could have fewer parameters than the method it wraps.
9254 * THIS_LOC is the memory location where the target of the delegate is stored.
9257 mono_marshal_emit_managed_wrapper (MonoMethodBuilder *mb, MonoMethodSignature *invoke_sig, MonoMarshalSpec **mspecs, EmitMarshalContext* m, MonoMethod *method, uint32_t target_handle)
9260 MonoMethodSignature *sig, *csig;
9266 /* we first do all conversions */
9267 for (i = 0; i < sig->param_count; i ++) {
9268 MonoType *t = sig->params [i];
9271 case MONO_TYPE_OBJECT:
9272 case MONO_TYPE_CLASS:
9273 case MONO_TYPE_VALUETYPE:
9274 case MONO_TYPE_ARRAY:
9275 case MONO_TYPE_SZARRAY:
9276 case MONO_TYPE_STRING:
9277 case MONO_TYPE_BOOLEAN:
9278 emit_marshal (m, i, sig->params [i], mspecs [i + 1], 0, &csig->params [i], MARSHAL_ACTION_MANAGED_CONV_IN);
9282 if (!sig->ret->byref) {
9283 switch (sig->ret->type) {
9284 case MONO_TYPE_STRING:
9285 csig->ret = &mono_defaults.int_class->byval_arg;
9292 MonoMethodSignature *sig, *csig;
9294 gboolean closed = FALSE;
9299 /* allocate local 0 (pointer) src_ptr */
9300 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9301 /* allocate local 1 (pointer) dst_ptr */
9302 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9303 /* allocate local 2 (boolean) delete_old */
9304 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
9306 if (!sig->hasthis && sig->param_count != invoke_sig->param_count) {
9307 /* Closed delegate */
9308 g_assert (sig->param_count == invoke_sig->param_count + 1);
9310 /* Use a new signature without the first argument */
9311 sig = mono_metadata_signature_dup (sig);
9312 memmove (&sig->params [0], &sig->params [1], (sig->param_count - 1) * sizeof (MonoType*));
9313 sig->param_count --;
9316 if (!MONO_TYPE_IS_VOID(sig->ret)) {
9317 /* allocate local 3 to store the return value */
9318 mono_mb_add_local (mb, sig->ret);
9321 mono_mb_emit_icon (mb, 0);
9322 mono_mb_emit_stloc (mb, 2);
9325 * Might need to attach the thread to the JIT or change the
9326 * domain for the callback.
9328 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
9329 mono_mb_emit_byte (mb, CEE_MONO_JIT_ATTACH);
9331 /* we first do all conversions */
9332 tmp_locals = alloca (sizeof (int) * sig->param_count);
9333 for (i = 0; i < sig->param_count; i ++) {
9334 MonoType *t = sig->params [i];
9337 case MONO_TYPE_OBJECT:
9338 case MONO_TYPE_CLASS:
9339 case MONO_TYPE_VALUETYPE:
9340 case MONO_TYPE_ARRAY:
9341 case MONO_TYPE_SZARRAY:
9342 case MONO_TYPE_STRING:
9343 case MONO_TYPE_BOOLEAN:
9344 tmp_locals [i] = emit_marshal (m, i, sig->params [i], mspecs [i + 1], 0, &csig->params [i], MARSHAL_ACTION_MANAGED_CONV_IN);
9353 emit_thread_interrupt_checkpoint (mb);
9356 if (target_handle) {
9357 mono_mb_emit_icon (mb, (gint32)target_handle);
9358 mono_mb_emit_icall (mb, mono_gchandle_get_target);
9361 g_assert_not_reached ();
9363 } else if (closed) {
9364 mono_mb_emit_icon (mb, (gint32)target_handle);
9365 mono_mb_emit_icall (mb, mono_gchandle_get_target);
9368 for (i = 0; i < sig->param_count; i++) {
9369 MonoType *t = sig->params [i];
9371 if (tmp_locals [i]) {
9373 mono_mb_emit_ldloc_addr (mb, tmp_locals [i]);
9375 mono_mb_emit_ldloc (mb, tmp_locals [i]);
9378 mono_mb_emit_ldarg (mb, i);
9381 mono_mb_emit_managed_call (mb, method, NULL);
9383 if (mspecs [0] && mspecs [0]->native == MONO_NATIVE_CUSTOM) {
9384 emit_marshal (m, 0, sig->ret, mspecs [0], 0, NULL, MARSHAL_ACTION_MANAGED_CONV_RESULT);
9385 } else if (!sig->ret->byref) {
9386 switch (sig->ret->type) {
9387 case MONO_TYPE_VOID:
9389 case MONO_TYPE_BOOLEAN:
9392 case MONO_TYPE_CHAR:
9404 case MONO_TYPE_OBJECT:
9405 mono_mb_emit_stloc (mb, 3);
9407 case MONO_TYPE_STRING:
9408 csig->ret = &mono_defaults.int_class->byval_arg;
9409 emit_marshal (m, 0, sig->ret, mspecs [0], 0, NULL, MARSHAL_ACTION_MANAGED_CONV_RESULT);
9411 case MONO_TYPE_VALUETYPE:
9412 case MONO_TYPE_CLASS:
9413 case MONO_TYPE_SZARRAY:
9414 emit_marshal (m, 0, sig->ret, mspecs [0], 0, NULL, MARSHAL_ACTION_MANAGED_CONV_RESULT);
9417 g_warning ("return type 0x%02x unknown", sig->ret->type);
9418 g_assert_not_reached ();
9421 mono_mb_emit_stloc (mb, 3);
9424 /* Convert byref arguments back */
9425 for (i = 0; i < sig->param_count; i ++) {
9426 MonoType *t = sig->params [i];
9427 MonoMarshalSpec *spec = mspecs [i + 1];
9429 if (spec && spec->native == MONO_NATIVE_CUSTOM) {
9430 emit_marshal (m, i, t, mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_MANAGED_CONV_OUT);
9432 else if (t->byref) {
9434 case MONO_TYPE_CLASS:
9435 case MONO_TYPE_VALUETYPE:
9436 case MONO_TYPE_OBJECT:
9437 case MONO_TYPE_STRING:
9438 case MONO_TYPE_BOOLEAN:
9439 emit_marshal (m, i, t, mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_MANAGED_CONV_OUT);
9443 else if (invoke_sig->params [i]->attrs & PARAM_ATTRIBUTE_OUT) {
9444 /* The [Out] information is encoded in the delegate signature */
9446 case MONO_TYPE_SZARRAY:
9447 case MONO_TYPE_CLASS:
9448 case MONO_TYPE_VALUETYPE:
9449 emit_marshal (m, i, invoke_sig->params [i], mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_MANAGED_CONV_OUT);
9452 g_assert_not_reached ();
9457 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
9458 mono_mb_emit_byte (mb, CEE_MONO_JIT_DETACH);
9460 if (m->retobj_var) {
9461 mono_mb_emit_ldloc (mb, m->retobj_var);
9462 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
9463 mono_mb_emit_op (mb, CEE_MONO_RETOBJ, m->retobj_class);
9466 if (!MONO_TYPE_IS_VOID(sig->ret))
9467 mono_mb_emit_ldloc (mb, 3);
9468 mono_mb_emit_byte (mb, CEE_RET);
9477 mono_marshal_set_callconv_from_modopt (MonoMethod *method, MonoMethodSignature *csig)
9479 MonoMethodSignature *sig;
9484 * Under windows, delegates passed to native code must use the STDCALL
9485 * calling convention.
9487 csig->call_convention = MONO_CALL_STDCALL;
9490 sig = mono_method_signature (method);
9492 /* Change default calling convention if needed */
9493 /* Why is this a modopt ? */
9494 if (sig->ret && sig->ret->num_mods) {
9495 for (i = 0; i < sig->ret->num_mods; ++i) {
9497 MonoClass *cmod_class = mono_class_get_checked (method->klass->image, sig->ret->modifiers [i].token, &error);
9498 g_assert (mono_error_ok (&error));
9499 if ((cmod_class->image == mono_defaults.corlib) && !strcmp (cmod_class->name_space, "System.Runtime.CompilerServices")) {
9500 if (!strcmp (cmod_class->name, "CallConvCdecl"))
9501 csig->call_convention = MONO_CALL_C;
9502 else if (!strcmp (cmod_class->name, "CallConvStdcall"))
9503 csig->call_convention = MONO_CALL_STDCALL;
9504 else if (!strcmp (cmod_class->name, "CallConvFastcall"))
9505 csig->call_convention = MONO_CALL_FASTCALL;
9506 else if (!strcmp (cmod_class->name, "CallConvThiscall"))
9507 csig->call_convention = MONO_CALL_THISCALL;
9514 * generates IL code to call managed methods from unmanaged code
9515 * If target_handle==0, the wrapper info will be a WrapperInfo structure.
9518 mono_marshal_get_managed_wrapper (MonoMethod *method, MonoClass *delegate_klass, uint32_t target_handle)
9520 static MonoClass *UnmanagedFunctionPointerAttribute;
9521 MonoMethodSignature *sig, *csig, *invoke_sig;
9522 MonoMethodBuilder *mb;
9523 MonoMethod *res, *invoke;
9524 MonoMarshalSpec **mspecs;
9525 MonoMethodPInvoke piinfo;
9528 EmitMarshalContext m;
9530 g_assert (method != NULL);
9531 g_assert (!mono_method_signature (method)->pinvoke);
9534 * FIXME: Should cache the method+delegate type pair, since the same method
9535 * could be called with different delegates, thus different marshalling
9538 cache = get_cache (&method->klass->image->managed_wrapper_cache, mono_aligned_addr_hash, NULL);
9539 if (!target_handle && (res = mono_marshal_find_in_cache (cache, method)))
9542 invoke = mono_get_delegate_invoke (delegate_klass);
9543 invoke_sig = mono_method_signature (invoke);
9545 mspecs = g_new0 (MonoMarshalSpec*, mono_method_signature (invoke)->param_count + 1);
9546 mono_method_get_marshal_info (invoke, mspecs);
9548 sig = mono_method_signature (method);
9550 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_NATIVE_TO_MANAGED);
9552 /*the target gchandle must be the first entry after size and the wrapper itself.*/
9553 mono_mb_add_data (mb, GUINT_TO_POINTER (target_handle));
9555 /* we copy the signature, so that we can modify it */
9557 /* Need to free this later */
9558 csig = mono_metadata_signature_dup (invoke_sig);
9560 csig = signature_dup (method->klass->image, invoke_sig);
9569 m.image = method->klass->image;
9571 mono_marshal_set_callconv_from_modopt (invoke, csig);
9573 /* Handle the UnmanagedFunctionPointerAttribute */
9574 if (!UnmanagedFunctionPointerAttribute)
9575 UnmanagedFunctionPointerAttribute = mono_class_from_name (mono_defaults.corlib, "System.Runtime.InteropServices", "UnmanagedFunctionPointerAttribute");
9577 /* The attribute is only available in Net 2.0 */
9578 if (UnmanagedFunctionPointerAttribute) {
9579 MonoCustomAttrInfo *cinfo;
9580 MonoCustomAttrEntry *attr;
9583 * The pinvoke attributes are stored in a real custom attribute. Obtain the
9584 * contents of the attribute without constructing it, as that might not be
9585 * possible when running in cross-compiling mode.
9587 cinfo = mono_custom_attrs_from_class (delegate_klass);
9590 for (i = 0; i < cinfo->num_attrs; ++i) {
9591 MonoClass *ctor_class = cinfo->attrs [i].ctor->klass;
9592 if (mono_class_has_parent (ctor_class, UnmanagedFunctionPointerAttribute)) {
9593 attr = &cinfo->attrs [i];
9599 MonoArray *typed_args, *named_args;
9600 CattrNamedArg *arginfo;
9604 MonoBoolean set_last_error = 0;
9605 MonoBoolean best_fit_mapping = 0;
9606 MonoBoolean throw_on_unmappable = 0;
9609 mono_reflection_create_custom_attr_data_args (mono_defaults.corlib, attr->ctor, attr->data, attr->data_size, &typed_args, &named_args, &arginfo, &error);
9610 g_assert (mono_error_ok (&error));
9611 g_assert (mono_array_length (typed_args) == 1);
9614 o = mono_array_get (typed_args, MonoObject*, 0);
9615 call_conv = *(gint32*)mono_object_unbox (o);
9618 for (i = 0; i < mono_array_length (named_args); ++i) {
9619 CattrNamedArg *narg = &arginfo [i];
9621 o = mono_array_get (named_args, MonoObject*, i);
9623 g_assert (narg->field);
9624 if (!strcmp (narg->field->name, "CharSet")) {
9625 charset = *(gint32*)mono_object_unbox (o);
9626 } else if (!strcmp (narg->field->name, "SetLastError")) {
9627 set_last_error = *(MonoBoolean*)mono_object_unbox (o);
9628 } else if (!strcmp (narg->field->name, "BestFitMapping")) {
9629 best_fit_mapping = *(MonoBoolean*)mono_object_unbox (o);
9630 } else if (!strcmp (narg->field->name, "ThrowOnUnmappableChar")) {
9631 throw_on_unmappable = *(MonoBoolean*)mono_object_unbox (o);
9633 g_assert_not_reached ();
9639 memset (&piinfo, 0, sizeof (piinfo));
9641 piinfo.piflags = (call_conv << 8) | (charset ? (charset - 1) * 2 : 1) | set_last_error;
9643 csig->call_convention = call_conv - 1;
9646 if (cinfo && !cinfo->cached)
9647 mono_custom_attrs_free (cinfo);
9650 mono_marshal_emit_managed_wrapper (mb, invoke_sig, mspecs, &m, method, target_handle);
9652 if (!target_handle) {
9655 // FIXME: Associate it with the method+delegate_klass pair
9656 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NONE);
9657 info->d.native_to_managed.method = method;
9658 info->d.native_to_managed.klass = delegate_klass;
9660 res = mono_mb_create_and_cache_full (cache, method,
9661 mb, csig, sig->param_count + 16,
9667 res = mono_mb_create (mb, csig, sig->param_count + 16, NULL);
9671 for (i = mono_method_signature (invoke)->param_count; i >= 0; i--)
9673 mono_metadata_free_marshal_spec (mspecs [i]);
9676 /* code_for (res); */
9682 mono_marshal_get_vtfixup_ftnptr (MonoImage *image, guint32 token, guint16 type)
9685 MonoMethodSignature *sig;
9686 MonoMethodBuilder *mb;
9691 method = mono_get_method (image, token, NULL);
9694 if (type & (VTFIXUP_TYPE_FROM_UNMANAGED | VTFIXUP_TYPE_FROM_UNMANAGED_RETAIN_APPDOMAIN)) {
9695 MonoMethodSignature *csig;
9696 MonoMarshalSpec **mspecs;
9697 EmitMarshalContext m;
9699 sig = mono_method_signature (method);
9700 g_assert (!sig->hasthis);
9702 mspecs = g_new0 (MonoMarshalSpec*, sig->param_count + 1);
9703 mono_method_get_marshal_info (method, mspecs);
9705 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_NATIVE_TO_MANAGED);
9706 csig = signature_dup (image, sig);
9717 mono_marshal_set_callconv_from_modopt (method, csig);
9719 /* FIXME: Implement VTFIXUP_TYPE_FROM_UNMANAGED_RETAIN_APPDOMAIN. */
9721 mono_marshal_emit_managed_wrapper (mb, sig, mspecs, &m, method, 0);
9726 method = mono_mb_create (mb, csig, sig->param_count + 16, NULL);
9729 for (i = sig->param_count; i >= 0; i--)
9731 mono_metadata_free_marshal_spec (mspecs [i]);
9734 return mono_compile_method (method);
9737 sig = mono_method_signature (method);
9738 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_MANAGED_TO_MANAGED);
9740 param_count = sig->param_count + sig->hasthis;
9742 for (i = 0; i < param_count; i++)
9743 mono_mb_emit_ldarg (mb, i);
9745 if (type & VTFIXUP_TYPE_CALL_MOST_DERIVED)
9746 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
9748 mono_mb_emit_op (mb, CEE_CALL, method);
9749 mono_mb_emit_byte (mb, CEE_RET);
9754 method = mono_mb_create (mb, sig, param_count, NULL);
9757 return mono_compile_method (method);
9760 static MonoReflectionType *
9761 type_from_handle (MonoType *handle)
9763 MonoDomain *domain = mono_domain_get ();
9764 MonoClass *klass = mono_class_from_mono_type (handle);
9766 MONO_ARCH_SAVE_REGS;
9768 mono_class_init (klass);
9769 return mono_type_get_object (domain, handle);
9773 * This does the equivalent of mono_object_castclass_with_cache.
9774 * The wrapper info for the wrapper is a WrapperInfo structure.
9777 mono_marshal_get_castclass_with_cache (void)
9779 static MonoMethod *cached;
9781 MonoMethodBuilder *mb;
9782 MonoMethodSignature *sig;
9783 int return_null_pos, cache_miss_pos, invalid_cast_pos;
9789 mb = mono_mb_new (mono_defaults.object_class, "__castclass_with_cache", MONO_WRAPPER_CASTCLASS);
9790 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
9791 sig->params [0] = &mono_defaults.object_class->byval_arg;
9792 sig->params [1] = &mono_defaults.int_class->byval_arg;
9793 sig->params [2] = &mono_defaults.int_class->byval_arg;
9794 sig->ret = &mono_defaults.object_class->byval_arg;
9798 /* allocate local 0 (pointer) obj_vtable */
9799 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9802 mono_mb_emit_ldarg (mb, 0);
9803 return_null_pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
9805 /*obj_vtable = obj->vtable;*/
9806 mono_mb_emit_ldarg (mb, 0);
9807 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoObject, vtable));
9808 mono_mb_emit_byte (mb, CEE_LDIND_I);
9809 mono_mb_emit_stloc (mb, 0);
9812 mono_mb_emit_ldarg (mb, 2);
9813 mono_mb_emit_byte (mb, CEE_LDIND_I);
9814 mono_mb_emit_ldloc (mb, 0);
9816 /*if (*cache == obj_vtable)*/
9817 cache_miss_pos = mono_mb_emit_branch (mb, CEE_BNE_UN);
9820 mono_mb_emit_ldarg (mb, 0);
9821 mono_mb_emit_byte (mb, CEE_RET);
9823 mono_mb_patch_branch (mb, cache_miss_pos);
9824 /*if (mono_object_isinst (obj, klass)) */
9825 mono_mb_emit_ldarg (mb, 0);
9826 mono_mb_emit_ldarg (mb, 1);
9827 mono_mb_emit_icall (mb, mono_object_isinst);
9828 invalid_cast_pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
9830 /**cache = obj_vtable;*/
9831 mono_mb_emit_ldarg (mb, 2);
9832 mono_mb_emit_ldloc (mb, 0);
9833 mono_mb_emit_byte (mb, CEE_STIND_I);
9836 mono_mb_emit_ldarg (mb, 0);
9837 mono_mb_emit_byte (mb, CEE_RET);
9840 mono_mb_patch_branch (mb, invalid_cast_pos);
9841 mono_mb_emit_exception (mb, "InvalidCastException", NULL);
9844 mono_mb_patch_branch (mb, return_null_pos);
9845 mono_mb_emit_byte (mb, CEE_LDNULL);
9846 mono_mb_emit_byte (mb, CEE_RET);
9847 #endif /* DISABLE_JIT */
9849 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_CASTCLASS_WITH_CACHE);
9850 res = mono_mb_create (mb, sig, 8, info);
9853 if (InterlockedCompareExchangePointer ((volatile gpointer *)&cached, res, NULL)) {
9854 mono_free_method (res);
9855 mono_metadata_free_method_signature (sig);
9863 * This does the equivalent of mono_object_isinst_with_cache.
9864 * The wrapper info for the wrapper is a WrapperInfo structure.
9867 mono_marshal_get_isinst_with_cache (void)
9869 static MonoMethod *cached;
9871 MonoMethodBuilder *mb;
9872 MonoMethodSignature *sig;
9873 int return_null_pos, cache_miss_pos, cache_hit_pos, not_an_instance_pos, negative_cache_hit_pos;
9879 mb = mono_mb_new (mono_defaults.object_class, "__isinst_with_cache", MONO_WRAPPER_CASTCLASS);
9880 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
9881 sig->params [0] = &mono_defaults.object_class->byval_arg;
9882 sig->params [1] = &mono_defaults.int_class->byval_arg;
9883 sig->params [2] = &mono_defaults.int_class->byval_arg;
9884 sig->ret = &mono_defaults.object_class->byval_arg;
9888 /* allocate local 0 (pointer) obj_vtable */
9889 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9890 /* allocate local 1 (pointer) cached_vtable */
9891 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9894 mono_mb_emit_ldarg (mb, 0);
9895 return_null_pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
9897 /*obj_vtable = obj->vtable;*/
9898 mono_mb_emit_ldarg (mb, 0);
9899 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoObject, vtable));
9900 mono_mb_emit_byte (mb, CEE_LDIND_I);
9901 mono_mb_emit_stloc (mb, 0);
9903 /* cached_vtable = *cache*/
9904 mono_mb_emit_ldarg (mb, 2);
9905 mono_mb_emit_byte (mb, CEE_LDIND_I);
9906 mono_mb_emit_stloc (mb, 1);
9908 mono_mb_emit_ldloc (mb, 1);
9909 mono_mb_emit_byte (mb, CEE_LDC_I4);
9910 mono_mb_emit_i4 (mb, ~0x1);
9911 mono_mb_emit_byte (mb, CEE_CONV_U);
9912 mono_mb_emit_byte (mb, CEE_AND);
9913 mono_mb_emit_ldloc (mb, 0);
9914 /*if ((cached_vtable & ~0x1)== obj_vtable)*/
9915 cache_miss_pos = mono_mb_emit_branch (mb, CEE_BNE_UN);
9917 /*return (cached_vtable & 0x1) ? NULL : obj;*/
9918 mono_mb_emit_ldloc (mb, 1);
9919 mono_mb_emit_byte(mb, CEE_LDC_I4_1);
9920 mono_mb_emit_byte (mb, CEE_CONV_U);
9921 mono_mb_emit_byte (mb, CEE_AND);
9922 negative_cache_hit_pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
9925 mono_mb_emit_ldarg (mb, 0);
9926 cache_hit_pos = mono_mb_emit_branch (mb, CEE_BR);
9929 mono_mb_patch_branch (mb, negative_cache_hit_pos);
9930 mono_mb_emit_byte (mb, CEE_LDNULL);
9932 mono_mb_patch_branch (mb, cache_hit_pos);
9933 mono_mb_emit_byte (mb, CEE_RET);
9935 mono_mb_patch_branch (mb, cache_miss_pos);
9936 /*if (mono_object_isinst (obj, klass)) */
9937 mono_mb_emit_ldarg (mb, 0);
9938 mono_mb_emit_ldarg (mb, 1);
9939 mono_mb_emit_icall (mb, mono_object_isinst);
9940 not_an_instance_pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
9942 /**cache = obj_vtable;*/
9943 mono_mb_emit_ldarg (mb, 2);
9944 mono_mb_emit_ldloc (mb, 0);
9945 mono_mb_emit_byte (mb, CEE_STIND_I);
9948 mono_mb_emit_ldarg (mb, 0);
9949 mono_mb_emit_byte (mb, CEE_RET);
9952 mono_mb_patch_branch (mb, not_an_instance_pos);
9953 /* *cache = (gpointer)(obj_vtable | 0x1);*/
9954 mono_mb_emit_ldarg (mb, 2);
9955 /*obj_vtable | 0x1*/
9956 mono_mb_emit_ldloc (mb, 0);
9957 mono_mb_emit_byte(mb, CEE_LDC_I4_1);
9958 mono_mb_emit_byte (mb, CEE_CONV_U);
9959 mono_mb_emit_byte (mb, CEE_OR);
9962 mono_mb_emit_byte (mb, CEE_STIND_I);
9965 mono_mb_patch_branch (mb, return_null_pos);
9966 mono_mb_emit_byte (mb, CEE_LDNULL);
9967 mono_mb_emit_byte (mb, CEE_RET);
9970 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_ISINST_WITH_CACHE);
9971 res = mono_mb_create (mb, sig, 8, info);
9974 if (InterlockedCompareExchangePointer ((volatile gpointer *)&cached, res, NULL)) {
9975 mono_free_method (res);
9976 mono_metadata_free_method_signature (sig);
9984 * mono_marshal_get_isinst:
9985 * @klass: the type of the field
9987 * This method generates a function which can be used to check if an object is
9988 * an instance of the given type, icluding the case where the object is a proxy.
9989 * The generated function has the following signature:
9990 * MonoObject* __isinst_wrapper_ (MonoObject *obj)
9993 mono_marshal_get_isinst (MonoClass *klass)
9995 static MonoMethodSignature *isint_sig = NULL;
9999 int pos_was_ok, pos_end;
10000 #ifndef DISABLE_REMOTING
10001 int pos_end2, pos_failed;
10004 MonoMethodBuilder *mb;
10006 cache = get_cache (&klass->image->isinst_cache, mono_aligned_addr_hash, NULL);
10007 if ((res = mono_marshal_find_in_cache (cache, klass)))
10011 isint_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
10012 isint_sig->params [0] = &mono_defaults.object_class->byval_arg;
10013 isint_sig->ret = &mono_defaults.object_class->byval_arg;
10014 isint_sig->pinvoke = 0;
10017 name = g_strdup_printf ("__isinst_wrapper_%s", klass->name);
10018 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_ISINST);
10021 mb->method->save_lmf = 1;
10023 #ifndef DISABLE_JIT
10024 /* check if the object is a proxy that needs special cast */
10025 mono_mb_emit_ldarg (mb, 0);
10026 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
10027 mono_mb_emit_op (mb, CEE_MONO_CISINST, klass);
10029 /* The result of MONO_CISINST can be:
10030 0) the type check succeeded
10031 1) the type check did not succeed
10032 2) a CanCastTo call is needed */
10033 #ifndef DISABLE_REMOTING
10034 mono_mb_emit_byte (mb, CEE_DUP);
10035 pos_was_ok = mono_mb_emit_branch (mb, CEE_BRFALSE);
10037 mono_mb_emit_byte (mb, CEE_LDC_I4_2);
10038 pos_failed = mono_mb_emit_branch (mb, CEE_BNE_UN);
10040 /* get the real proxy from the transparent proxy*/
10042 mono_mb_emit_ldarg (mb, 0);
10043 mono_mb_emit_managed_call (mb, mono_marshal_get_proxy_cancast (klass), NULL);
10044 pos_end = mono_mb_emit_branch (mb, CEE_BR);
10048 mono_mb_patch_branch (mb, pos_failed);
10049 mono_mb_emit_byte (mb, CEE_LDNULL);
10050 pos_end2 = mono_mb_emit_branch (mb, CEE_BR);
10054 mono_mb_patch_branch (mb, pos_was_ok);
10055 mono_mb_emit_byte (mb, CEE_POP);
10056 mono_mb_emit_ldarg (mb, 0);
10060 mono_mb_patch_branch (mb, pos_end);
10061 mono_mb_patch_branch (mb, pos_end2);
10062 mono_mb_emit_byte (mb, CEE_RET);
10064 pos_was_ok = mono_mb_emit_branch (mb, CEE_BRFALSE);
10068 mono_mb_emit_byte (mb, CEE_LDNULL);
10069 pos_end = mono_mb_emit_branch (mb, CEE_BR);
10073 mono_mb_patch_branch (mb, pos_was_ok);
10074 mono_mb_emit_ldarg (mb, 0);
10078 mono_mb_patch_branch (mb, pos_end);
10079 mono_mb_emit_byte (mb, CEE_RET);
10080 #endif /* DISABLE_REMOTING */
10081 #endif /* DISABLE_JIT */
10083 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NONE);
10084 info->d.proxy.klass = klass;
10085 res = mono_mb_create_and_cache_full (cache, klass, mb, isint_sig, isint_sig->param_count + 16, info, NULL);
10092 * mono_marshal_get_castclass:
10093 * @klass: the type of the field
10095 * This method generates a function which can be used to cast an object to
10096 * an instance of the given type, icluding the case where the object is a proxy.
10097 * The generated function has the following signature:
10098 * MonoObject* __castclass_wrapper_ (MonoObject *obj)
10099 * The wrapper info for the wrapper is a WrapperInfo structure.
10102 mono_marshal_get_castclass (MonoClass *klass)
10104 static MonoMethodSignature *castclass_sig = NULL;
10107 #ifndef DISABLE_REMOTING
10108 int pos_was_ok, pos_was_ok2;
10111 MonoMethodBuilder *mb;
10114 cache = get_cache (&klass->image->castclass_cache, mono_aligned_addr_hash, NULL);
10115 if ((res = mono_marshal_find_in_cache (cache, klass)))
10118 if (!castclass_sig) {
10119 castclass_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
10120 castclass_sig->params [0] = &mono_defaults.object_class->byval_arg;
10121 castclass_sig->ret = &mono_defaults.object_class->byval_arg;
10122 castclass_sig->pinvoke = 0;
10125 name = g_strdup_printf ("__castclass_wrapper_%s", klass->name);
10126 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_CASTCLASS);
10129 mb->method->save_lmf = 1;
10131 #ifndef DISABLE_JIT
10132 /* check if the object is a proxy that needs special cast */
10133 mono_mb_emit_ldarg (mb, 0);
10134 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
10135 mono_mb_emit_op (mb, CEE_MONO_CCASTCLASS, klass);
10137 /* The result of MONO_CCASTCLASS can be:
10138 0) the cast is valid
10139 1) cast of unknown proxy type
10140 or an exception if the cast is is invalid
10142 #ifndef DISABLE_REMOTING
10143 pos_was_ok = mono_mb_emit_branch (mb, CEE_BRFALSE);
10145 /* get the real proxy from the transparent proxy*/
10147 mono_mb_emit_ldarg (mb, 0);
10148 mono_mb_emit_managed_call (mb, mono_marshal_get_proxy_cancast (klass), NULL);
10149 pos_was_ok2 = mono_mb_emit_branch (mb, CEE_BRTRUE);
10152 mono_mb_emit_exception (mb, "InvalidCastException", NULL);
10155 mono_mb_patch_branch (mb, pos_was_ok);
10156 mono_mb_patch_branch (mb, pos_was_ok2);
10158 /* MONO_CCASTCLASS leaves an int in the stack with the result, pop it. */
10159 mono_mb_emit_byte (mb, CEE_POP);
10160 #endif /* DISABLE_REMOTING */
10162 mono_mb_emit_ldarg (mb, 0);
10165 mono_mb_emit_byte (mb, CEE_RET);
10166 #endif /* DISABLE_JIT */
10168 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NONE);
10170 res = mono_mb_create_and_cache_full (cache, klass, mb, castclass_sig, castclass_sig->param_count + 16,
10177 #ifndef DISABLE_REMOTING
10179 mono_marshal_get_proxy_cancast (MonoClass *klass)
10181 static MonoMethodSignature *isint_sig = NULL;
10185 int pos_failed, pos_end;
10186 char *name, *klass_name;
10187 MonoMethod *can_cast_to;
10188 MonoMethodDesc *desc;
10189 MonoMethodBuilder *mb;
10191 cache = get_cache (&klass->image->proxy_isinst_cache, mono_aligned_addr_hash, NULL);
10192 if ((res = mono_marshal_find_in_cache (cache, klass)))
10196 isint_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
10197 isint_sig->params [0] = &mono_defaults.object_class->byval_arg;
10198 isint_sig->ret = &mono_defaults.object_class->byval_arg;
10199 isint_sig->pinvoke = 0;
10202 klass_name = mono_type_full_name (&klass->byval_arg);
10203 name = g_strdup_printf ("__proxy_isinst_wrapper_%s", klass_name);
10204 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_PROXY_ISINST);
10205 g_free (klass_name);
10208 mb->method->save_lmf = 1;
10210 #ifndef DISABLE_JIT
10211 /* get the real proxy from the transparent proxy*/
10212 mono_mb_emit_ldarg (mb, 0);
10213 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoTransparentProxy, rp));
10214 mono_mb_emit_byte (mb, CEE_LDIND_REF);
10216 /* get the reflection type from the type handle */
10217 mono_mb_emit_ptr (mb, &klass->byval_arg);
10218 mono_mb_emit_icall (mb, type_from_handle);
10220 mono_mb_emit_ldarg (mb, 0);
10222 /* make the call to CanCastTo (type, ob) */
10223 desc = mono_method_desc_new ("IRemotingTypeInfo:CanCastTo", FALSE);
10224 can_cast_to = mono_method_desc_search_in_class (desc, mono_defaults.iremotingtypeinfo_class);
10225 g_assert (can_cast_to);
10226 mono_method_desc_free (desc);
10227 mono_mb_emit_op (mb, CEE_CALLVIRT, can_cast_to);
10229 pos_failed = mono_mb_emit_branch (mb, CEE_BRFALSE);
10231 /* Upgrade the proxy vtable by calling: mono_upgrade_remote_class_wrapper (type, ob)*/
10232 mono_mb_emit_ptr (mb, &klass->byval_arg);
10233 mono_mb_emit_icall (mb, type_from_handle);
10234 mono_mb_emit_ldarg (mb, 0);
10236 mono_mb_emit_icall (mb, mono_upgrade_remote_class_wrapper);
10237 emit_thread_interrupt_checkpoint (mb);
10239 mono_mb_emit_ldarg (mb, 0);
10240 pos_end = mono_mb_emit_branch (mb, CEE_BR);
10244 mono_mb_patch_branch (mb, pos_failed);
10245 mono_mb_emit_byte (mb, CEE_LDNULL);
10249 mono_mb_patch_branch (mb, pos_end);
10250 mono_mb_emit_byte (mb, CEE_RET);
10253 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NONE);
10254 info->d.proxy.klass = klass;
10255 res = mono_mb_create_and_cache_full (cache, klass, mb, isint_sig, isint_sig->param_count + 16, info, NULL);
10262 mono_upgrade_remote_class_wrapper (MonoReflectionType *rtype, MonoTransparentProxy *tproxy)
10265 MonoDomain *domain = ((MonoObject*)tproxy)->vtable->domain;
10266 klass = mono_class_from_mono_type (rtype->type);
10267 mono_upgrade_remote_class (domain, (MonoObject*)tproxy, klass);
10269 #endif /*DISABLE_REMOTING */
10272 * mono_marshal_get_struct_to_ptr:
10275 * generates IL code for StructureToPtr (object structure, IntPtr ptr, bool fDeleteOld)
10276 * The wrapper info for the wrapper is a WrapperInfo structure.
10279 mono_marshal_get_struct_to_ptr (MonoClass *klass)
10281 MonoMethodBuilder *mb;
10282 static MonoMethod *stoptr = NULL;
10286 g_assert (klass != NULL);
10288 mono_marshal_load_type_info (klass);
10290 if (klass->marshal_info->str_to_ptr)
10291 return klass->marshal_info->str_to_ptr;
10294 stoptr = mono_class_get_method_from_name (mono_defaults.marshal_class, "StructureToPtr", 3);
10297 mb = mono_mb_new (klass, stoptr->name, MONO_WRAPPER_UNKNOWN);
10299 #ifndef DISABLE_JIT
10300 if (klass->blittable) {
10301 mono_mb_emit_byte (mb, CEE_LDARG_1);
10302 mono_mb_emit_byte (mb, CEE_LDARG_0);
10303 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
10304 mono_mb_emit_icon (mb, mono_class_value_size (klass, NULL));
10305 mono_mb_emit_byte (mb, CEE_PREFIX1);
10306 mono_mb_emit_byte (mb, CEE_CPBLK);
10309 /* allocate local 0 (pointer) src_ptr */
10310 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10311 /* allocate local 1 (pointer) dst_ptr */
10312 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10313 /* allocate local 2 (boolean) delete_old */
10314 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
10315 mono_mb_emit_byte (mb, CEE_LDARG_2);
10316 mono_mb_emit_stloc (mb, 2);
10318 /* initialize src_ptr to point to the start of object data */
10319 mono_mb_emit_byte (mb, CEE_LDARG_0);
10320 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
10321 mono_mb_emit_stloc (mb, 0);
10323 /* initialize dst_ptr */
10324 mono_mb_emit_byte (mb, CEE_LDARG_1);
10325 mono_mb_emit_stloc (mb, 1);
10327 emit_struct_conv (mb, klass, FALSE);
10330 mono_mb_emit_byte (mb, CEE_RET);
10332 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_STRUCTURE_TO_PTR);
10333 res = mono_mb_create (mb, mono_signature_no_pinvoke (stoptr), 0, info);
10336 klass->marshal_info->str_to_ptr = res;
10341 * mono_marshal_get_ptr_to_struct:
10344 * generates IL code for PtrToStructure (IntPtr src, object structure)
10345 * The wrapper info for the wrapper is a WrapperInfo structure.
10348 mono_marshal_get_ptr_to_struct (MonoClass *klass)
10350 MonoMethodBuilder *mb;
10351 static MonoMethodSignature *ptostr = NULL;
10355 g_assert (klass != NULL);
10357 mono_marshal_load_type_info (klass);
10359 if (klass->marshal_info->ptr_to_str)
10360 return klass->marshal_info->ptr_to_str;
10363 MonoMethodSignature *sig;
10365 /* Create the signature corresponding to
10366 static void PtrToStructure (IntPtr ptr, object structure);
10367 defined in class/corlib/System.Runtime.InteropServices/Marshal.cs */
10368 sig = mono_create_icall_signature ("void ptr object");
10369 sig = signature_dup (mono_defaults.corlib, sig);
10371 mono_memory_barrier ();
10375 mb = mono_mb_new (klass, "PtrToStructure", MONO_WRAPPER_UNKNOWN);
10377 #ifndef DISABLE_JIT
10378 if (klass->blittable) {
10379 mono_mb_emit_byte (mb, CEE_LDARG_1);
10380 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
10381 mono_mb_emit_byte (mb, CEE_LDARG_0);
10382 mono_mb_emit_icon (mb, mono_class_value_size (klass, NULL));
10383 mono_mb_emit_byte (mb, CEE_PREFIX1);
10384 mono_mb_emit_byte (mb, CEE_CPBLK);
10387 /* allocate local 0 (pointer) src_ptr */
10388 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10389 /* allocate local 1 (pointer) dst_ptr */
10390 mono_mb_add_local (mb, &klass->this_arg);
10392 /* initialize src_ptr to point to the start of object data */
10393 mono_mb_emit_byte (mb, CEE_LDARG_0);
10394 mono_mb_emit_stloc (mb, 0);
10396 /* initialize dst_ptr */
10397 mono_mb_emit_byte (mb, CEE_LDARG_1);
10398 mono_mb_emit_op (mb, CEE_UNBOX, klass);
10399 mono_mb_emit_stloc (mb, 1);
10401 emit_struct_conv (mb, klass, TRUE);
10404 mono_mb_emit_byte (mb, CEE_RET);
10406 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_PTR_TO_STRUCTURE);
10407 res = mono_mb_create (mb, ptostr, 0, info);
10410 klass->marshal_info->ptr_to_str = res;
10415 * Return a dummy wrapper for METHOD which is called by synchronized wrappers.
10416 * This is used to avoid infinite recursion since it is hard to determine where to
10417 * replace a method with its synchronized wrapper, and where not.
10418 * The runtime should execute METHOD instead of the wrapper.
10419 * The wrapper info for the wrapper is a WrapperInfo structure.
10422 mono_marshal_get_synchronized_inner_wrapper (MonoMethod *method)
10424 MonoMethodBuilder *mb;
10426 MonoMethodSignature *sig;
10428 MonoGenericContext *ctx = NULL;
10429 MonoMethod *orig_method = NULL;
10430 MonoGenericContainer *container = NULL;
10432 if (method->is_inflated && !mono_method_get_context (method)->method_inst) {
10433 orig_method = method;
10434 ctx = &((MonoMethodInflated*)method)->context;
10435 method = ((MonoMethodInflated*)method)->declaring;
10436 container = mono_method_get_generic_container (method);
10438 container = method->klass->generic_container;
10439 g_assert (container);
10442 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_UNKNOWN);
10443 #ifndef DISABLE_JIT
10444 mono_mb_emit_exception_full (mb, "System", "ExecutionEngineException", "Shouldn't be called.");
10445 mono_mb_emit_byte (mb, CEE_RET);
10447 sig = signature_dup (method->klass->image, mono_method_signature (method));
10449 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_SYNCHRONIZED_INNER);
10450 info->d.synchronized_inner.method = method;
10451 res = mono_mb_create (mb, sig, 0, info);
10454 res = mono_class_inflate_generic_method (res, ctx);
10459 * generates IL code for the synchronized wrapper: the generated method
10460 * calls METHOD while locking 'this' or the parent type.
10463 mono_marshal_get_synchronized_wrapper (MonoMethod *method)
10465 static MonoMethod *enter_method, *exit_method, *gettypefromhandle_method;
10466 MonoMethodSignature *sig;
10467 MonoExceptionClause *clause;
10468 MonoMethodBuilder *mb;
10471 int i, pos, this_local, ret_local = 0;
10472 MonoGenericContext *ctx = NULL;
10473 MonoMethod *orig_method = NULL;
10474 MonoGenericContainer *container = NULL;
10478 if (method->wrapper_type == MONO_WRAPPER_SYNCHRONIZED)
10481 /* FIXME: Support generic methods too */
10482 if (method->is_inflated && !mono_method_get_context (method)->method_inst) {
10483 orig_method = method;
10484 ctx = &((MonoMethodInflated*)method)->context;
10485 method = ((MonoMethodInflated*)method)->declaring;
10486 container = mono_method_get_generic_container (method);
10488 container = method->klass->generic_container;
10489 g_assert (container);
10496 cache = get_cache (&method->klass->image->synchronized_generic_cache, mono_aligned_addr_hash, NULL);
10497 res = check_generic_wrapper_cache (cache, orig_method, orig_method, method);
10501 cache = get_cache (&method->klass->image->synchronized_cache, mono_aligned_addr_hash, NULL);
10502 if ((res = mono_marshal_find_in_cache (cache, method)))
10506 sig = signature_dup (method->klass->image, mono_method_signature (method));
10509 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_SYNCHRONIZED);
10511 #ifndef DISABLE_JIT
10513 if (!MONO_TYPE_IS_VOID (sig->ret))
10514 ret_local = mono_mb_add_local (mb, sig->ret);
10517 if (method->klass->valuetype && !(method->flags & MONO_METHOD_ATTR_STATIC)) {
10518 mono_class_set_failure (method->klass, MONO_EXCEPTION_TYPE_LOAD, NULL);
10519 #ifndef DISABLE_JIT
10520 /* This will throw the type load exception when the wrapper is compiled */
10521 mono_mb_emit_byte (mb, CEE_LDNULL);
10522 mono_mb_emit_op (mb, CEE_ISINST, method->klass);
10523 mono_mb_emit_byte (mb, CEE_POP);
10525 if (!MONO_TYPE_IS_VOID (sig->ret))
10526 mono_mb_emit_ldloc (mb, ret_local);
10527 mono_mb_emit_byte (mb, CEE_RET);
10530 res = mono_mb_create_and_cache (cache, method,
10531 mb, sig, sig->param_count + 16);
10537 #ifndef DISABLE_JIT
10539 this_local = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
10541 clause = mono_image_alloc0 (method->klass->image, sizeof (MonoExceptionClause));
10542 clause->flags = MONO_EXCEPTION_CLAUSE_FINALLY;
10545 mono_marshal_lock ();
10547 if (!enter_method) {
10548 MonoMethodDesc *desc;
10550 desc = mono_method_desc_new ("Monitor:Enter", FALSE);
10551 enter_method = mono_method_desc_search_in_class (desc, mono_defaults.monitor_class);
10552 g_assert (enter_method);
10553 mono_method_desc_free (desc);
10555 desc = mono_method_desc_new ("Monitor:Exit", FALSE);
10556 exit_method = mono_method_desc_search_in_class (desc, mono_defaults.monitor_class);
10557 g_assert (exit_method);
10558 mono_method_desc_free (desc);
10560 desc = mono_method_desc_new ("Type:GetTypeFromHandle", FALSE);
10561 gettypefromhandle_method = mono_method_desc_search_in_class (desc, mono_defaults.systemtype_class);
10562 g_assert (gettypefromhandle_method);
10563 mono_method_desc_free (desc);
10566 mono_marshal_unlock ();
10568 #ifndef DISABLE_JIT
10569 /* Push this or the type object */
10570 if (method->flags & METHOD_ATTRIBUTE_STATIC) {
10571 /* We have special handling for this in the JIT */
10572 int index = mono_mb_add_data (mb, method->klass);
10573 mono_mb_add_data (mb, mono_defaults.typehandle_class);
10574 mono_mb_emit_byte (mb, CEE_LDTOKEN);
10575 mono_mb_emit_i4 (mb, index);
10577 mono_mb_emit_managed_call (mb, gettypefromhandle_method, NULL);
10580 mono_mb_emit_ldarg (mb, 0);
10581 mono_mb_emit_stloc (mb, this_local);
10583 /* Call Monitor::Enter() */
10584 mono_mb_emit_ldloc (mb, this_local);
10585 mono_mb_emit_managed_call (mb, enter_method, NULL);
10587 clause->try_offset = mono_mb_get_label (mb);
10589 /* Call the method */
10591 mono_mb_emit_ldarg (mb, 0);
10592 for (i = 0; i < sig->param_count; i++)
10593 mono_mb_emit_ldarg (mb, i + (sig->hasthis == TRUE));
10596 mono_mb_emit_managed_call (mb, mono_class_inflate_generic_method (method, &container->context), NULL);
10598 mono_mb_emit_managed_call (mb, method, NULL);
10600 if (!MONO_TYPE_IS_VOID (sig->ret))
10601 mono_mb_emit_stloc (mb, ret_local);
10603 pos = mono_mb_emit_branch (mb, CEE_LEAVE);
10605 clause->try_len = mono_mb_get_pos (mb) - clause->try_offset;
10606 clause->handler_offset = mono_mb_get_label (mb);
10608 /* Call Monitor::Exit() */
10609 mono_mb_emit_ldloc (mb, this_local);
10610 mono_mb_emit_managed_call (mb, exit_method, NULL);
10611 mono_mb_emit_byte (mb, CEE_ENDFINALLY);
10613 clause->handler_len = mono_mb_get_pos (mb) - clause->handler_offset;
10615 mono_mb_patch_branch (mb, pos);
10616 if (!MONO_TYPE_IS_VOID (sig->ret))
10617 mono_mb_emit_ldloc (mb, ret_local);
10618 mono_mb_emit_byte (mb, CEE_RET);
10620 mono_mb_set_clauses (mb, 1, clause);
10625 def = mono_mb_create_and_cache (cache, method, mb, sig, sig->param_count + 16);
10626 res = cache_generic_wrapper (cache, orig_method, def, ctx, orig_method);
10628 res = mono_mb_create_and_cache (cache, method,
10629 mb, sig, sig->param_count + 16);
10638 * the returned method calls 'method' unboxing the this argument
10641 mono_marshal_get_unbox_wrapper (MonoMethod *method)
10643 MonoMethodSignature *sig = mono_method_signature (method);
10645 MonoMethodBuilder *mb;
10649 cache = get_cache (&method->klass->image->unbox_wrapper_cache, mono_aligned_addr_hash, NULL);
10650 if ((res = mono_marshal_find_in_cache (cache, method)))
10653 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_UNBOX);
10655 g_assert (sig->hasthis);
10657 #ifndef DISABLE_JIT
10658 mono_mb_emit_ldarg (mb, 0);
10659 mono_mb_emit_icon (mb, sizeof (MonoObject));
10660 mono_mb_emit_byte (mb, CEE_ADD);
10661 for (i = 0; i < sig->param_count; ++i)
10662 mono_mb_emit_ldarg (mb, i + 1);
10663 mono_mb_emit_managed_call (mb, method, NULL);
10664 mono_mb_emit_byte (mb, CEE_RET);
10667 res = mono_mb_create_and_cache (cache, method,
10668 mb, sig, sig->param_count + 16);
10671 /* code_for (res); */
10677 STELEMREF_OBJECT, /*no check at all*/
10678 STELEMREF_SEALED_CLASS, /*check vtable->klass->element_type */
10679 STELEMREF_CLASS, /*only the klass->parents check*/
10680 STELEMREF_INTERFACE, /*interfaces without variant generic arguments. */
10681 STELEMREF_COMPLEX, /*arrays, MBR or types with variant generic args - go straight to icalls*/
10682 STELEMREF_KIND_COUNT
10685 static const char *strelemref_wrapper_name[] = {
10686 "object", "sealed_class", "class", "interface", "complex"
10690 is_monomorphic_array (MonoClass *klass)
10692 MonoClass *element_class;
10693 if (klass->rank != 1)
10696 element_class = klass->element_class;
10697 return (element_class->flags & TYPE_ATTRIBUTE_SEALED) || element_class->valuetype;
10701 get_virtual_stelemref_kind (MonoClass *element_class)
10703 if (element_class == mono_defaults.object_class)
10704 return STELEMREF_OBJECT;
10705 if (is_monomorphic_array (element_class))
10706 return STELEMREF_SEALED_CLASS;
10707 /* Compressed interface bitmaps require code that is quite complex, so don't optimize for it. */
10708 if (MONO_CLASS_IS_INTERFACE (element_class) && !mono_class_has_variant_generic_params (element_class))
10709 #ifdef COMPRESSED_INTERFACE_BITMAP
10710 return STELEMREF_COMPLEX;
10712 return STELEMREF_INTERFACE;
10714 /*Arrays are sealed but are covariant on their element type, We can't use any of the fast paths.*/
10715 if (mono_class_is_marshalbyref (element_class) || element_class->rank || mono_class_has_variant_generic_params (element_class))
10716 return STELEMREF_COMPLEX;
10717 if (element_class->flags & TYPE_ATTRIBUTE_SEALED)
10718 return STELEMREF_SEALED_CLASS;
10719 return STELEMREF_CLASS;
10722 #ifndef DISABLE_JIT
10725 load_array_element_address (MonoMethodBuilder *mb)
10727 mono_mb_emit_ldarg (mb, 0);
10728 mono_mb_emit_ldarg (mb, 1);
10729 mono_mb_emit_op (mb, CEE_LDELEMA, mono_defaults.object_class);
10733 load_array_class (MonoMethodBuilder *mb, int aklass)
10735 mono_mb_emit_ldarg (mb, 0);
10736 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoObject, vtable));
10737 mono_mb_emit_byte (mb, CEE_LDIND_I);
10738 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoVTable, klass));
10739 mono_mb_emit_byte (mb, CEE_LDIND_I);
10740 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoClass, element_class));
10741 mono_mb_emit_byte (mb, CEE_LDIND_I);
10742 mono_mb_emit_stloc (mb, aklass);
10746 load_value_class (MonoMethodBuilder *mb, int vklass)
10748 mono_mb_emit_ldarg (mb, 2);
10749 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoObject, vtable));
10750 mono_mb_emit_byte (mb, CEE_LDIND_I);
10751 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoVTable, klass));
10752 mono_mb_emit_byte (mb, CEE_LDIND_I);
10753 mono_mb_emit_stloc (mb, vklass);
10759 record_slot_vstore (MonoObject *array, size_t index, MonoObject *value)
10761 char *name = mono_type_get_full_name (array->vtable->klass->element_class);
10762 printf ("slow vstore of %s\n", name);
10768 * The wrapper info for the wrapper is a WrapperInfo structure.
10771 * - Separate simple interfaces from variant interfaces or mbr types. This way we can avoid the icall for them.
10772 * - Emit a (new) mono bytecode that produces OP_COND_EXC_NE_UN to raise ArrayTypeMismatch
10773 * - Maybe mve some MonoClass field into the vtable to reduce the number of loads
10774 * - Add a case for arrays of arrays.
10777 get_virtual_stelemref_wrapper (int kind)
10779 static MonoMethod *cached_methods [STELEMREF_KIND_COUNT] = { NULL }; /*object iface sealed regular*/
10780 static MonoMethodSignature *signature;
10781 MonoMethodBuilder *mb;
10784 const char *param_names [16];
10785 guint32 b1, b2, b3;
10786 int aklass, vklass, vtable, uiid;
10787 int array_slot_addr;
10790 if (cached_methods [kind])
10791 return cached_methods [kind];
10793 name = g_strdup_printf ("virt_stelemref_%s", strelemref_wrapper_name [kind]);
10794 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_STELEMREF);
10798 MonoMethodSignature *sig = mono_metadata_signature_alloc (mono_defaults.corlib, 2);
10800 /* void this::stelemref (size_t idx, void* value) */
10801 sig->ret = &mono_defaults.void_class->byval_arg;
10802 sig->hasthis = TRUE;
10803 sig->params [0] = &mono_defaults.int_class->byval_arg; /* this is a natural sized int */
10804 sig->params [1] = &mono_defaults.object_class->byval_arg;
10808 #ifndef DISABLE_JIT
10809 param_names [0] = "index";
10810 param_names [1] = "value";
10811 mono_mb_set_param_names (mb, param_names);
10813 /*For now simply call plain old stelemref*/
10815 case STELEMREF_OBJECT:
10816 /* ldelema (implicit bound check) */
10817 load_array_element_address (mb);
10819 mono_mb_emit_ldarg (mb, 2);
10820 mono_mb_emit_byte (mb, CEE_STIND_REF);
10821 mono_mb_emit_byte (mb, CEE_RET);
10824 case STELEMREF_COMPLEX:
10826 <ldelema (bound check)>
10829 if (!mono_object_isinst (value, aklass))
10833 *array_slot_addr = value;
10836 throw new ArrayTypeMismatchException ();
10839 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10840 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
10844 /*Use this to debug/record stores that are going thru the slow path*/
10845 MonoMethodSignature *csig;
10846 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
10847 csig->ret = &mono_defaults.void_class->byval_arg;
10848 csig->params [0] = &mono_defaults.object_class->byval_arg;
10849 csig->params [1] = &mono_defaults.int_class->byval_arg; /* this is a natural sized int */
10850 csig->params [2] = &mono_defaults.object_class->byval_arg;
10851 mono_mb_emit_ldarg (mb, 0);
10852 mono_mb_emit_ldarg (mb, 1);
10853 mono_mb_emit_ldarg (mb, 2);
10854 mono_mb_emit_native_call (mb, csig, record_slot_vstore);
10858 /* ldelema (implicit bound check) */
10859 load_array_element_address (mb);
10860 mono_mb_emit_stloc (mb, array_slot_addr);
10862 /* if (!value) goto do_store */
10863 mono_mb_emit_ldarg (mb, 2);
10864 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
10866 /* aklass = array->vtable->klass->element_class */
10867 load_array_class (mb, aklass);
10869 /*if (mono_object_isinst (value, aklass)) */
10870 mono_mb_emit_ldarg (mb, 2);
10871 mono_mb_emit_ldloc (mb, aklass);
10872 mono_mb_emit_icall (mb, mono_object_isinst);
10873 b2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
10876 mono_mb_patch_branch (mb, b1);
10877 mono_mb_emit_ldloc (mb, array_slot_addr);
10878 mono_mb_emit_ldarg (mb, 2);
10879 mono_mb_emit_byte (mb, CEE_STIND_REF);
10880 mono_mb_emit_byte (mb, CEE_RET);
10882 /* do_exception: */
10883 mono_mb_patch_branch (mb, b2);
10885 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
10888 case STELEMREF_SEALED_CLASS:
10890 <ldelema (bound check)>
10894 aklass = array->vtable->klass->element_class;
10895 vklass = value->vtable->klass;
10897 if (vklass != aklass)
10901 *array_slot_addr = value;
10904 throw new ArrayTypeMismatchException ();
10906 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10907 vklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10908 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
10911 /* ldelema (implicit bound check) */
10912 load_array_element_address (mb);
10913 mono_mb_emit_stloc (mb, array_slot_addr);
10915 /* if (!value) goto do_store */
10916 mono_mb_emit_ldarg (mb, 2);
10917 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
10919 /* aklass = array->vtable->klass->element_class */
10920 load_array_class (mb, aklass);
10922 /* vklass = value->vtable->klass */
10923 load_value_class (mb, vklass);
10925 /*if (vklass != aklass) goto do_exception; */
10926 mono_mb_emit_ldloc (mb, aklass);
10927 mono_mb_emit_ldloc (mb, vklass);
10928 b2 = mono_mb_emit_branch (mb, CEE_BNE_UN);
10931 mono_mb_patch_branch (mb, b1);
10932 mono_mb_emit_ldloc (mb, array_slot_addr);
10933 mono_mb_emit_ldarg (mb, 2);
10934 mono_mb_emit_byte (mb, CEE_STIND_REF);
10935 mono_mb_emit_byte (mb, CEE_RET);
10937 /* do_exception: */
10938 mono_mb_patch_branch (mb, b2);
10939 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
10942 case STELEMREF_CLASS:
10945 <ldelema (bound check)>
10949 aklass = array->vtable->klass->element_class;
10950 vklass = value->vtable->klass;
10952 if (vklass->idepth < aklass->idepth)
10955 if (vklass->supertypes [aklass->idepth - 1] != aklass)
10959 *array_slot_addr = value;
10963 throw new ArrayTypeMismatchException ();
10965 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10966 vklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10967 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
10969 /* ldelema (implicit bound check) */
10970 load_array_element_address (mb);
10971 mono_mb_emit_stloc (mb, array_slot_addr);
10973 /* if (!value) goto do_store */
10974 mono_mb_emit_ldarg (mb, 2);
10975 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
10977 /* aklass = array->vtable->klass->element_class */
10978 load_array_class (mb, aklass);
10980 /* vklass = value->vtable->klass */
10981 load_value_class (mb, vklass);
10983 /*if (mono_object_isinst (value, aklass)) */
10984 mono_mb_emit_ldarg (mb, 2);
10985 mono_mb_emit_ldloc (mb, aklass);
10986 mono_mb_emit_icall (mb, mono_object_isinst);
10987 b2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
10989 /* if (vklass->idepth < aklass->idepth) goto failue */
10990 mono_mb_emit_ldloc (mb, vklass);
10991 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoClass, idepth));
10992 mono_mb_emit_byte (mb, CEE_LDIND_U2);
10994 mono_mb_emit_ldloc (mb, aklass);
10995 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoClass, idepth));
10996 mono_mb_emit_byte (mb, CEE_LDIND_U2);
10998 b2 = mono_mb_emit_branch (mb, CEE_BLT_UN);
11000 /* if (vklass->supertypes [aklass->idepth - 1] != aklass) goto failure */
11001 mono_mb_emit_ldloc (mb, vklass);
11002 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoClass, supertypes));
11003 mono_mb_emit_byte (mb, CEE_LDIND_I);
11005 mono_mb_emit_ldloc (mb, aklass);
11006 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoClass, idepth));
11007 mono_mb_emit_byte (mb, CEE_LDIND_U2);
11008 mono_mb_emit_icon (mb, 1);
11009 mono_mb_emit_byte (mb, CEE_SUB);
11010 mono_mb_emit_icon (mb, sizeof (void*));
11011 mono_mb_emit_byte (mb, CEE_MUL);
11012 mono_mb_emit_byte (mb, CEE_ADD);
11013 mono_mb_emit_byte (mb, CEE_LDIND_I);
11015 mono_mb_emit_ldloc (mb, aklass);
11016 b3 = mono_mb_emit_branch (mb, CEE_BNE_UN);
11019 mono_mb_patch_branch (mb, b1);
11020 mono_mb_emit_ldloc (mb, array_slot_addr);
11021 mono_mb_emit_ldarg (mb, 2);
11022 mono_mb_emit_byte (mb, CEE_STIND_REF);
11023 mono_mb_emit_byte (mb, CEE_RET);
11025 /* do_exception: */
11026 mono_mb_patch_branch (mb, b2);
11027 mono_mb_patch_branch (mb, b3);
11029 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
11032 case STELEMREF_INTERFACE:
11039 klass = array->obj.vtable->klass->element_class;
11040 vt = value->vtable;
11041 uiid = klass->interface_id;
11042 if (uiid > vt->max_interface_id)
11044 if (!(vt->interface_bitmap [(uiid) >> 3] & (1 << ((uiid)&7))))
11047 mono_array_setref (array, index, value);
11050 mono_raise_exception (mono_get_exception_array_type_mismatch ());*/
11052 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
11053 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
11054 vtable = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
11055 uiid = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
11057 /* ldelema (implicit bound check) */
11058 load_array_element_address (mb);
11059 mono_mb_emit_stloc (mb, array_slot_addr);
11061 /* if (!value) goto do_store */
11062 mono_mb_emit_ldarg (mb, 2);
11063 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
11065 /* klass = array->vtable->klass->element_class */
11066 load_array_class (mb, aklass);
11068 /* vt = value->vtable */
11069 mono_mb_emit_ldarg (mb, 2);
11070 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoObject, vtable));
11071 mono_mb_emit_byte (mb, CEE_LDIND_I);
11072 mono_mb_emit_stloc (mb, vtable);
11074 /* uiid = klass->interface_id; */
11075 mono_mb_emit_ldloc (mb, aklass);
11076 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoClass, interface_id));
11077 mono_mb_emit_byte (mb, CEE_LDIND_U2);
11078 mono_mb_emit_stloc (mb, uiid);
11080 /*if (uiid > vt->max_interface_id)*/
11081 mono_mb_emit_ldloc (mb, uiid);
11082 mono_mb_emit_ldloc (mb, vtable);
11083 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoVTable, max_interface_id));
11084 mono_mb_emit_byte (mb, CEE_LDIND_U2);
11085 b2 = mono_mb_emit_branch (mb, CEE_BGT_UN);
11087 /* if (!(vt->interface_bitmap [(uiid) >> 3] & (1 << ((uiid)&7)))) */
11089 /*vt->interface_bitmap*/
11090 mono_mb_emit_ldloc (mb, vtable);
11091 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoVTable, interface_bitmap));
11092 mono_mb_emit_byte (mb, CEE_LDIND_I);
11095 mono_mb_emit_ldloc (mb, uiid);
11096 mono_mb_emit_icon (mb, 3);
11097 mono_mb_emit_byte (mb, CEE_SHR_UN);
11099 /*vt->interface_bitmap [(uiid) >> 3]*/
11100 mono_mb_emit_byte (mb, CEE_ADD); /*interface_bitmap is a guint8 array*/
11101 mono_mb_emit_byte (mb, CEE_LDIND_U1);
11103 /*(1 << ((uiid)&7)))*/
11104 mono_mb_emit_icon (mb, 1);
11105 mono_mb_emit_ldloc (mb, uiid);
11106 mono_mb_emit_icon (mb, 7);
11107 mono_mb_emit_byte (mb, CEE_AND);
11108 mono_mb_emit_byte (mb, CEE_SHL);
11110 /*bitwise and the whole thing*/
11111 mono_mb_emit_byte (mb, CEE_AND);
11112 b3 = mono_mb_emit_branch (mb, CEE_BRFALSE);
11115 mono_mb_patch_branch (mb, b1);
11116 mono_mb_emit_ldloc (mb, array_slot_addr);
11117 mono_mb_emit_ldarg (mb, 2);
11118 mono_mb_emit_byte (mb, CEE_STIND_REF);
11119 mono_mb_emit_byte (mb, CEE_RET);
11121 /* do_exception: */
11122 mono_mb_patch_branch (mb, b2);
11123 mono_mb_patch_branch (mb, b3);
11124 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
11128 mono_mb_emit_ldarg (mb, 0);
11129 mono_mb_emit_ldarg (mb, 1);
11130 mono_mb_emit_ldarg (mb, 2);
11131 mono_mb_emit_managed_call (mb, mono_marshal_get_stelemref (), NULL);
11132 mono_mb_emit_byte (mb, CEE_RET);
11135 #endif /* DISABLE_JIT */
11136 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_VIRTUAL_STELEMREF);
11137 info->d.virtual_stelemref.kind = kind;
11138 res = mono_mb_create (mb, signature, 4, info);
11139 res->flags |= METHOD_ATTRIBUTE_VIRTUAL;
11141 mono_marshal_lock ();
11142 if (!cached_methods [kind]) {
11143 cached_methods [kind] = res;
11144 mono_marshal_unlock ();
11146 mono_marshal_unlock ();
11147 mono_free_method (res);
11151 return cached_methods [kind];
11155 mono_marshal_get_virtual_stelemref (MonoClass *array_class)
11159 g_assert (array_class->rank == 1);
11160 kind = get_virtual_stelemref_kind (array_class->element_class);
11162 return get_virtual_stelemref_wrapper (kind);
11166 mono_marshal_get_virtual_stelemref_wrappers (int *nwrappers)
11171 *nwrappers = STELEMREF_KIND_COUNT;
11172 res = g_malloc0 (STELEMREF_KIND_COUNT * sizeof (MonoMethod*));
11173 for (i = 0; i < STELEMREF_KIND_COUNT; ++i)
11174 res [i] = get_virtual_stelemref_wrapper (i);
11179 * The wrapper info for the wrapper is a WrapperInfo structure.
11182 mono_marshal_get_stelemref (void)
11184 static MonoMethod* ret = NULL;
11185 MonoMethodSignature *sig;
11186 MonoMethodBuilder *mb;
11189 guint32 b1, b2, b3, b4;
11191 int aklass, vklass;
11192 int array_slot_addr;
11197 mb = mono_mb_new (mono_defaults.object_class, "stelemref", MONO_WRAPPER_STELEMREF);
11200 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
11202 /* void stelemref (void* array, int idx, void* value) */
11203 sig->ret = &mono_defaults.void_class->byval_arg;
11204 sig->params [0] = &mono_defaults.object_class->byval_arg;
11205 sig->params [1] = &mono_defaults.int_class->byval_arg; /* this is a natural sized int */
11206 sig->params [2] = &mono_defaults.object_class->byval_arg;
11208 #ifndef DISABLE_JIT
11209 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
11210 vklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
11211 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
11215 <ldelema (bound check)>
11219 aklass = array->vtable->klass->element_class;
11220 vklass = value->vtable->klass;
11222 if (vklass->idepth < aklass->idepth)
11225 if (vklass->supertypes [aklass->idepth - 1] != aklass)
11229 *array_slot_addr = value;
11233 if (mono_object_isinst (value, aklass))
11236 throw new ArrayTypeMismatchException ();
11239 /* ldelema (implicit bound check) */
11240 mono_mb_emit_ldarg (mb, 0);
11241 mono_mb_emit_ldarg (mb, 1);
11242 mono_mb_emit_op (mb, CEE_LDELEMA, mono_defaults.object_class);
11243 mono_mb_emit_stloc (mb, array_slot_addr);
11245 /* if (!value) goto do_store */
11246 mono_mb_emit_ldarg (mb, 2);
11247 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
11249 /* aklass = array->vtable->klass->element_class */
11250 mono_mb_emit_ldarg (mb, 0);
11251 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoObject, vtable));
11252 mono_mb_emit_byte (mb, CEE_LDIND_I);
11253 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoVTable, klass));
11254 mono_mb_emit_byte (mb, CEE_LDIND_I);
11255 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoClass, element_class));
11256 mono_mb_emit_byte (mb, CEE_LDIND_I);
11257 mono_mb_emit_stloc (mb, aklass);
11259 /* vklass = value->vtable->klass */
11260 mono_mb_emit_ldarg (mb, 2);
11261 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoObject, vtable));
11262 mono_mb_emit_byte (mb, CEE_LDIND_I);
11263 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoVTable, klass));
11264 mono_mb_emit_byte (mb, CEE_LDIND_I);
11265 mono_mb_emit_stloc (mb, vklass);
11267 /* if (vklass->idepth < aklass->idepth) goto failue */
11268 mono_mb_emit_ldloc (mb, vklass);
11269 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoClass, idepth));
11270 mono_mb_emit_byte (mb, CEE_LDIND_U2);
11272 mono_mb_emit_ldloc (mb, aklass);
11273 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoClass, idepth));
11274 mono_mb_emit_byte (mb, CEE_LDIND_U2);
11276 b2 = mono_mb_emit_branch (mb, CEE_BLT_UN);
11278 /* if (vklass->supertypes [aklass->idepth - 1] != aklass) goto failure */
11279 mono_mb_emit_ldloc (mb, vklass);
11280 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoClass, supertypes));
11281 mono_mb_emit_byte (mb, CEE_LDIND_I);
11283 mono_mb_emit_ldloc (mb, aklass);
11284 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoClass, idepth));
11285 mono_mb_emit_byte (mb, CEE_LDIND_U2);
11286 mono_mb_emit_icon (mb, 1);
11287 mono_mb_emit_byte (mb, CEE_SUB);
11288 mono_mb_emit_icon (mb, sizeof (void*));
11289 mono_mb_emit_byte (mb, CEE_MUL);
11290 mono_mb_emit_byte (mb, CEE_ADD);
11291 mono_mb_emit_byte (mb, CEE_LDIND_I);
11293 mono_mb_emit_ldloc (mb, aklass);
11295 b3 = mono_mb_emit_branch (mb, CEE_BNE_UN);
11297 copy_pos = mono_mb_get_label (mb);
11299 mono_mb_patch_branch (mb, b1);
11300 mono_mb_emit_ldloc (mb, array_slot_addr);
11301 mono_mb_emit_ldarg (mb, 2);
11302 mono_mb_emit_byte (mb, CEE_STIND_REF);
11304 mono_mb_emit_byte (mb, CEE_RET);
11307 mono_mb_patch_branch (mb, b2);
11308 mono_mb_patch_branch (mb, b3);
11310 mono_mb_emit_ldarg (mb, 2);
11311 mono_mb_emit_ldloc (mb, aklass);
11312 mono_mb_emit_icall (mb, mono_object_isinst);
11314 b4 = mono_mb_emit_branch (mb, CEE_BRTRUE);
11315 mono_mb_patch_addr (mb, b4, copy_pos - (b4 + 4));
11316 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
11318 mono_mb_emit_byte (mb, CEE_RET);
11320 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NONE);
11321 ret = mono_mb_create (mb, sig, 4, info);
11328 * mono_marshal_get_gsharedvt_in_wrapper:
11330 * This wrapper handles calls from normal code to gsharedvt code.
11332 * The wrapper info for the wrapper is a WrapperInfo structure.
11335 mono_marshal_get_gsharedvt_in_wrapper (void)
11337 static MonoMethod* ret = NULL;
11338 MonoMethodSignature *sig;
11339 MonoMethodBuilder *mb;
11345 mb = mono_mb_new (mono_defaults.object_class, "gsharedvt_in", MONO_WRAPPER_UNKNOWN);
11347 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
11348 sig->ret = &mono_defaults.void_class->byval_arg;
11350 #ifndef DISABLE_JIT
11352 * The body is generated by the JIT, we use a wrapper instead of a trampoline so EH works.
11354 mono_mb_emit_byte (mb, CEE_RET);
11356 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_GSHAREDVT_IN);
11357 ret = mono_mb_create (mb, sig, 4, info);
11364 * mono_marshal_get_gsharedvt_out_wrapper:
11366 * This wrapper handles calls from gsharedvt code to normal code.
11368 * The wrapper info for the wrapper is a WrapperInfo structure.
11371 mono_marshal_get_gsharedvt_out_wrapper (void)
11373 static MonoMethod* ret = NULL;
11374 MonoMethodSignature *sig;
11375 MonoMethodBuilder *mb;
11381 mb = mono_mb_new (mono_defaults.object_class, "gsharedvt_out", MONO_WRAPPER_UNKNOWN);
11383 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
11384 sig->ret = &mono_defaults.void_class->byval_arg;
11386 #ifndef DISABLE_JIT
11388 * The body is generated by the JIT, we use a wrapper instead of a trampoline so EH works.
11390 mono_mb_emit_byte (mb, CEE_RET);
11392 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_GSHAREDVT_OUT);
11393 ret = mono_mb_create (mb, sig, 4, info);
11402 MonoMethod *method;
11405 /* LOCKING: vars accessed under the marshal lock */
11406 static ArrayElemAddr *elem_addr_cache = NULL;
11407 static int elem_addr_cache_size = 0;
11408 static int elem_addr_cache_next = 0;
11411 * mono_marshal_get_array_address:
11412 * @rank: rank of the array type
11413 * @elem_size: size in bytes of an element of an array.
11415 * Returns a MonoMethd that implements the code to get the address
11416 * of an element in a multi-dimenasional array of @rank dimensions.
11417 * The returned method takes an array as the first argument and then
11418 * @rank indexes for the @rank dimensions.
11421 mono_marshal_get_array_address (int rank, int elem_size)
11424 MonoMethodBuilder *mb;
11425 MonoMethodSignature *sig;
11427 int i, bounds, ind, realidx;
11428 int branch_pos, *branch_positions;
11432 mono_marshal_lock ();
11433 for (i = 0; i < elem_addr_cache_next; ++i) {
11434 if (elem_addr_cache [i].rank == rank && elem_addr_cache [i].elem_size == elem_size) {
11435 ret = elem_addr_cache [i].method;
11439 mono_marshal_unlock ();
11443 branch_positions = g_new0 (int, rank);
11445 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1 + rank);
11447 /* void* address (void* array, int idx0, int idx1, int idx2, ...) */
11448 sig->ret = &mono_defaults.int_class->byval_arg;
11449 sig->params [0] = &mono_defaults.object_class->byval_arg;
11450 for (i = 0; i < rank; ++i) {
11451 sig->params [i + 1] = &mono_defaults.int32_class->byval_arg;
11454 mb = mono_mb_new (mono_defaults.object_class, "ElementAddr", MONO_WRAPPER_MANAGED_TO_MANAGED);
11456 #ifndef DISABLE_JIT
11457 bounds = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
11458 ind = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
11459 realidx = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
11461 /* bounds = array->bounds; */
11462 mono_mb_emit_ldarg (mb, 0);
11463 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoArray, bounds));
11464 mono_mb_emit_byte (mb, CEE_LDIND_I);
11465 mono_mb_emit_stloc (mb, bounds);
11467 /* ind is the overall element index, realidx is the partial index in a single dimension */
11468 /* ind = idx0 - bounds [0].lower_bound */
11469 mono_mb_emit_ldarg (mb, 1);
11470 mono_mb_emit_ldloc (mb, bounds);
11471 mono_mb_emit_icon (mb, MONO_STRUCT_OFFSET (MonoArrayBounds, lower_bound));
11472 mono_mb_emit_byte (mb, CEE_ADD);
11473 mono_mb_emit_byte (mb, CEE_LDIND_I4);
11474 mono_mb_emit_byte (mb, CEE_SUB);
11475 mono_mb_emit_stloc (mb, ind);
11476 /* if (ind >= bounds [0].length) goto exeception; */
11477 mono_mb_emit_ldloc (mb, ind);
11478 mono_mb_emit_ldloc (mb, bounds);
11479 mono_mb_emit_icon (mb, MONO_STRUCT_OFFSET (MonoArrayBounds, length));
11480 mono_mb_emit_byte (mb, CEE_ADD);
11481 mono_mb_emit_byte (mb, CEE_LDIND_I4);
11482 /* note that we use unsigned comparison */
11483 branch_pos = mono_mb_emit_branch (mb, CEE_BGE_UN);
11485 /* For large ranks (> 4?) use a loop n IL later to reduce code size.
11486 * We could also decide to ignore the passed elem_size and get it
11487 * from the array object, to reduce the number of methods we generate:
11488 * the additional cost is 3 memory loads and a non-immediate mul.
11490 for (i = 1; i < rank; ++i) {
11491 /* realidx = idxi - bounds [i].lower_bound */
11492 mono_mb_emit_ldarg (mb, 1 + i);
11493 mono_mb_emit_ldloc (mb, bounds);
11494 mono_mb_emit_icon (mb, (i * sizeof (MonoArrayBounds)) + MONO_STRUCT_OFFSET (MonoArrayBounds, lower_bound));
11495 mono_mb_emit_byte (mb, CEE_ADD);
11496 mono_mb_emit_byte (mb, CEE_LDIND_I4);
11497 mono_mb_emit_byte (mb, CEE_SUB);
11498 mono_mb_emit_stloc (mb, realidx);
11499 /* if (realidx >= bounds [i].length) goto exeception; */
11500 mono_mb_emit_ldloc (mb, realidx);
11501 mono_mb_emit_ldloc (mb, bounds);
11502 mono_mb_emit_icon (mb, (i * sizeof (MonoArrayBounds)) + MONO_STRUCT_OFFSET (MonoArrayBounds, length));
11503 mono_mb_emit_byte (mb, CEE_ADD);
11504 mono_mb_emit_byte (mb, CEE_LDIND_I4);
11505 branch_positions [i] = mono_mb_emit_branch (mb, CEE_BGE_UN);
11506 /* ind = ind * bounds [i].length + realidx */
11507 mono_mb_emit_ldloc (mb, ind);
11508 mono_mb_emit_ldloc (mb, bounds);
11509 mono_mb_emit_icon (mb, (i * sizeof (MonoArrayBounds)) + MONO_STRUCT_OFFSET (MonoArrayBounds, length));
11510 mono_mb_emit_byte (mb, CEE_ADD);
11511 mono_mb_emit_byte (mb, CEE_LDIND_I4);
11512 mono_mb_emit_byte (mb, CEE_MUL);
11513 mono_mb_emit_ldloc (mb, realidx);
11514 mono_mb_emit_byte (mb, CEE_ADD);
11515 mono_mb_emit_stloc (mb, ind);
11518 /* return array->vector + ind * element_size */
11519 mono_mb_emit_ldarg (mb, 0);
11520 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoArray, vector));
11521 mono_mb_emit_ldloc (mb, ind);
11522 mono_mb_emit_icon (mb, elem_size);
11523 mono_mb_emit_byte (mb, CEE_MUL);
11524 mono_mb_emit_byte (mb, CEE_ADD);
11525 mono_mb_emit_byte (mb, CEE_RET);
11527 /* patch the branches to get here and throw */
11528 for (i = 1; i < rank; ++i) {
11529 mono_mb_patch_branch (mb, branch_positions [i]);
11531 mono_mb_patch_branch (mb, branch_pos);
11532 /* throw exception */
11533 mono_mb_emit_exception (mb, "IndexOutOfRangeException", NULL);
11535 g_free (branch_positions);
11536 #endif /* DISABLE_JIT */
11538 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_ELEMENT_ADDR);
11539 info->d.element_addr.rank = rank;
11540 info->d.element_addr.elem_size = elem_size;
11541 ret = mono_mb_create (mb, sig, 4, info);
11544 /* cache the result */
11546 mono_marshal_lock ();
11547 for (i = 0; i < elem_addr_cache_next; ++i) {
11548 if (elem_addr_cache [i].rank == rank && elem_addr_cache [i].elem_size == elem_size) {
11549 /* FIXME: free ret */
11550 ret = elem_addr_cache [i].method;
11556 if (elem_addr_cache_next >= elem_addr_cache_size) {
11557 int new_size = elem_addr_cache_size + 4;
11558 ArrayElemAddr *new_array = g_new0 (ArrayElemAddr, new_size);
11559 memcpy (new_array, elem_addr_cache, elem_addr_cache_size * sizeof (ArrayElemAddr));
11560 g_free (elem_addr_cache);
11561 elem_addr_cache = new_array;
11562 elem_addr_cache_size = new_size;
11564 elem_addr_cache [elem_addr_cache_next].rank = rank;
11565 elem_addr_cache [elem_addr_cache_next].elem_size = elem_size;
11566 elem_addr_cache [elem_addr_cache_next].method = ret;
11567 elem_addr_cache_next ++;
11569 mono_marshal_unlock ();
11574 * mono_marshal_get_array_accessor_wrapper:
11576 * Return a wrapper which just calls METHOD, which should be an Array Get/Set/Address method.
11579 mono_marshal_get_array_accessor_wrapper (MonoMethod *method)
11581 MonoMethodSignature *sig;
11582 MonoMethodBuilder *mb;
11586 MonoGenericContext *ctx = NULL;
11587 MonoMethod *orig_method = NULL;
11588 MonoGenericContainer *container = NULL;
11592 * These wrappers are needed to avoid the JIT replacing the calls to these methods with intrinsics
11593 * inside runtime invoke wrappers, thereby making the wrappers not unshareable.
11594 * FIXME: Use generic methods.
11601 g_assert_not_reached ();
11603 cache = get_cache (&method->klass->image->array_accessor_cache, mono_aligned_addr_hash, NULL);
11604 if ((res = mono_marshal_find_in_cache (cache, method)))
11608 sig = signature_dup (method->klass->image, mono_method_signature (method));
11611 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_UNKNOWN);
11613 #ifndef DISABLE_JIT
11614 /* Call the method */
11616 mono_mb_emit_ldarg (mb, 0);
11617 for (i = 0; i < sig->param_count; i++)
11618 mono_mb_emit_ldarg (mb, i + (sig->hasthis == TRUE));
11621 mono_mb_emit_managed_call (mb, mono_class_inflate_generic_method (method, &container->context), NULL);
11623 mono_mb_emit_managed_call (mb, method, NULL);
11624 mono_mb_emit_byte (mb, CEE_RET);
11629 def = mono_mb_create_and_cache (cache, method, mb, sig, sig->param_count + 16);
11630 res = cache_generic_wrapper (cache, orig_method, def, ctx, orig_method);
11632 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_ARRAY_ACCESSOR);
11633 info->d.array_accessor.method = method;
11635 res = mono_mb_create_and_cache_full (cache, method,
11636 mb, sig, sig->param_count + 16,
11645 mono_marshal_alloc (gulong size)
11650 res = CoTaskMemAlloc (size);
11652 res = g_try_malloc ((gulong)size);
11654 mono_gc_out_of_memory ((gulong)size);
11660 mono_marshal_free (gpointer ptr)
11663 CoTaskMemFree (ptr);
11670 mono_marshal_free_array (gpointer *ptr, int size)
11677 for (i = 0; i < size; i++)
11683 mono_marshal_string_to_utf16 (MonoString *s)
11685 return s ? mono_string_chars (s) : NULL;
11689 mono_marshal_string_to_utf16_copy (MonoString *s)
11694 gunichar2 *res = mono_marshal_alloc ((mono_string_length (s) * 2) + 2);
11695 memcpy (res, mono_string_chars (s), mono_string_length (s) * 2);
11696 res [mono_string_length (s)] = 0;
11702 * mono_marshal_set_last_error:
11704 * This function is invoked to set the last error value from a P/Invoke call
11705 * which has SetLastError set.
11708 mono_marshal_set_last_error (void)
11711 mono_native_tls_set_value (last_error_tls_id, GINT_TO_POINTER (GetLastError ()));
11713 mono_native_tls_set_value (last_error_tls_id, GINT_TO_POINTER (errno));
11718 mono_marshal_set_last_error_windows (int error)
11721 mono_native_tls_set_value (last_error_tls_id, GINT_TO_POINTER (error));
11726 ves_icall_System_Runtime_InteropServices_Marshal_copy_to_unmanaged (MonoArray *src, gint32 start_index,
11727 gpointer dest, gint32 length)
11732 MONO_ARCH_SAVE_REGS;
11734 MONO_CHECK_ARG_NULL (src);
11735 MONO_CHECK_ARG_NULL (dest);
11737 if (src->obj.vtable->klass->rank != 1)
11738 mono_raise_exception (mono_get_exception_argument ("array", "array is multi-dimensional"));
11739 if (start_index < 0)
11740 mono_raise_exception (mono_get_exception_argument ("startIndex", "Must be >= 0"));
11742 mono_raise_exception (mono_get_exception_argument ("length", "Must be >= 0"));
11743 if (start_index + length > mono_array_length (src))
11744 mono_raise_exception (mono_get_exception_argument ("length", "start_index + length > array length"));
11746 element_size = mono_array_element_size (src->obj.vtable->klass);
11748 /* no references should be involved */
11749 source_addr = mono_array_addr_with_size_fast (src, element_size, start_index);
11751 memcpy (dest, source_addr, length * element_size);
11755 ves_icall_System_Runtime_InteropServices_Marshal_copy_from_unmanaged (gpointer src, gint32 start_index,
11756 MonoArray *dest, gint32 length)
11761 MONO_ARCH_SAVE_REGS;
11763 MONO_CHECK_ARG_NULL (src);
11764 MONO_CHECK_ARG_NULL (dest);
11766 if (dest->obj.vtable->klass->rank != 1)
11767 mono_raise_exception (mono_get_exception_argument ("array", "array is multi-dimensional"));
11768 if (start_index < 0)
11769 mono_raise_exception (mono_get_exception_argument ("startIndex", "Must be >= 0"));
11771 mono_raise_exception (mono_get_exception_argument ("length", "Must be >= 0"));
11772 if (start_index + length > mono_array_length (dest))
11773 mono_raise_exception (mono_get_exception_argument ("length", "start_index + length > array length"));
11775 element_size = mono_array_element_size (dest->obj.vtable->klass);
11777 /* no references should be involved */
11778 dest_addr = mono_array_addr_with_size_fast (dest, element_size, start_index);
11780 memcpy (dest_addr, src, length * element_size);
11784 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringAnsi (char *ptr)
11786 MONO_ARCH_SAVE_REGS;
11791 return mono_string_new (mono_domain_get (), ptr);
11795 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringAnsi_len (char *ptr, gint32 len)
11797 MONO_ARCH_SAVE_REGS;
11800 mono_raise_exception (mono_get_exception_argument_null ("ptr"));
11801 g_assert_not_reached ();
11804 return mono_string_new_len (mono_domain_get (), ptr, len);
11809 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringUni (guint16 *ptr)
11811 MonoDomain *domain = mono_domain_get ();
11815 MONO_ARCH_SAVE_REGS;
11823 return mono_string_new_utf16 (domain, ptr, len);
11827 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringUni_len (guint16 *ptr, gint32 len)
11829 MonoDomain *domain = mono_domain_get ();
11831 MONO_ARCH_SAVE_REGS;
11834 mono_raise_exception (mono_get_exception_argument_null ("ptr"));
11835 g_assert_not_reached ();
11838 return mono_string_new_utf16 (domain, ptr, len);
11843 ves_icall_System_Runtime_InteropServices_Marshal_GetLastWin32Error (void)
11845 MONO_ARCH_SAVE_REGS;
11847 return (GPOINTER_TO_INT (mono_native_tls_get_value (last_error_tls_id)));
11851 ves_icall_System_Runtime_InteropServices_Marshal_SizeOf (MonoReflectionType *rtype)
11857 MONO_ARCH_SAVE_REGS;
11859 MONO_CHECK_ARG_NULL (rtype);
11861 type = rtype->type;
11862 klass = mono_class_from_mono_type (type);
11863 if (!mono_class_init (klass))
11864 mono_raise_exception (mono_class_get_exception_for_failure (klass));
11866 layout = (klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK);
11868 if (type->type == MONO_TYPE_PTR || type->type == MONO_TYPE_FNPTR) {
11869 return sizeof (gpointer);
11870 } else if (layout == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
11872 MonoException *exc;
11874 msg = g_strdup_printf ("Type %s cannot be marshaled as an unmanaged structure.", klass->name);
11875 exc = mono_get_exception_argument ("t", msg);
11877 mono_raise_exception (exc);
11881 return mono_class_native_size (klass, NULL);
11885 ves_icall_System_Runtime_InteropServices_Marshal_StructureToPtr (MonoObject *obj, gpointer dst, MonoBoolean delete_old)
11887 MonoMethod *method;
11890 MONO_ARCH_SAVE_REGS;
11892 MONO_CHECK_ARG_NULL (obj);
11893 MONO_CHECK_ARG_NULL (dst);
11895 method = mono_marshal_get_struct_to_ptr (obj->vtable->klass);
11899 pa [2] = &delete_old;
11901 mono_runtime_invoke (method, NULL, pa, NULL);
11905 ptr_to_structure (gpointer src, MonoObject *dst)
11907 MonoMethod *method;
11910 method = mono_marshal_get_ptr_to_struct (dst->vtable->klass);
11915 mono_runtime_invoke (method, NULL, pa, NULL);
11919 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure (gpointer src, MonoObject *dst)
11923 MONO_ARCH_SAVE_REGS;
11925 MONO_CHECK_ARG_NULL (src);
11926 MONO_CHECK_ARG_NULL (dst);
11928 t = mono_type_get_underlying_type (mono_class_get_type (dst->vtable->klass));
11930 if (t->type == MONO_TYPE_VALUETYPE) {
11931 MonoException *exc;
11934 tmp = g_strdup_printf ("Destination is a boxed value type.");
11935 exc = mono_get_exception_argument ("dst", tmp);
11938 mono_raise_exception (exc);
11942 ptr_to_structure (src, dst);
11946 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure_type (gpointer src, MonoReflectionType *type)
11949 MonoDomain *domain = mono_domain_get ();
11952 MONO_ARCH_SAVE_REGS;
11956 MONO_CHECK_ARG_NULL (type);
11958 klass = mono_class_from_mono_type (type->type);
11959 if (!mono_class_init (klass))
11960 mono_raise_exception (mono_class_get_exception_for_failure (klass));
11962 res = mono_object_new (domain, klass);
11964 ptr_to_structure (src, res);
11970 ves_icall_System_Runtime_InteropServices_Marshal_OffsetOf (MonoReflectionType *type, MonoString *field_name)
11972 MonoMarshalType *info;
11975 int match_index = -1;
11977 MONO_ARCH_SAVE_REGS;
11979 MONO_CHECK_ARG_NULL (type);
11980 MONO_CHECK_ARG_NULL (field_name);
11982 fname = mono_string_to_utf8 (field_name);
11983 klass = mono_class_from_mono_type (type->type);
11984 if (!mono_class_init (klass))
11985 mono_raise_exception (mono_class_get_exception_for_failure (klass));
11987 while (klass && match_index == -1) {
11988 MonoClassField* field;
11990 gpointer iter = NULL;
11991 while ((field = mono_class_get_fields (klass, &iter))) {
11992 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
11994 if (!strcmp (fname, mono_field_get_name (field))) {
12001 if (match_index == -1)
12002 klass = klass->parent;
12007 if(match_index == -1) {
12008 MonoException* exc;
12011 /* Get back original class instance */
12012 klass = mono_class_from_mono_type (type->type);
12014 tmp = g_strdup_printf ("Field passed in is not a marshaled member of the type %s", klass->name);
12015 exc = mono_get_exception_argument ("fieldName", tmp);
12018 mono_raise_exception ((MonoException*)exc);
12021 info = mono_marshal_load_type_info (klass);
12022 return info->fields [match_index].offset;
12026 ves_icall_System_Runtime_InteropServices_Marshal_StringToHGlobalAnsi (MonoString *string)
12031 tres = mono_string_to_utf8 (string);
12035 len = strlen (tres) + 1;
12036 ret = ves_icall_System_Runtime_InteropServices_Marshal_AllocHGlobal (len);
12037 memcpy (ret, tres, len);
12042 return mono_string_to_utf8 (string);
12047 ves_icall_System_Runtime_InteropServices_Marshal_StringToHGlobalUni (MonoString *string)
12049 MONO_ARCH_SAVE_REGS;
12051 if (string == NULL)
12054 #ifdef TARGET_WIN32
12055 gunichar2 *res = ves_icall_System_Runtime_InteropServices_Marshal_AllocHGlobal
12056 ((mono_string_length (string) + 1) * 2);
12058 gunichar2 *res = g_malloc ((mono_string_length (string) + 1) * 2);
12060 memcpy (res, mono_string_chars (string), mono_string_length (string) * 2);
12061 res [mono_string_length (string)] = 0;
12067 mono_struct_delete_old (MonoClass *klass, char *ptr)
12069 MonoMarshalType *info;
12072 info = mono_marshal_load_type_info (klass);
12074 for (i = 0; i < info->num_fields; i++) {
12075 MonoMarshalNative ntype;
12076 MonoMarshalConv conv;
12077 MonoType *ftype = info->fields [i].field->type;
12080 if (ftype->attrs & FIELD_ATTRIBUTE_STATIC)
12083 ntype = mono_type_to_unmanaged (ftype, info->fields [i].mspec, TRUE,
12084 klass->unicode, &conv);
12086 cpos = ptr + info->fields [i].offset;
12089 case MONO_MARSHAL_CONV_NONE:
12090 if (MONO_TYPE_ISSTRUCT (ftype)) {
12091 mono_struct_delete_old (ftype->data.klass, cpos);
12095 case MONO_MARSHAL_CONV_STR_LPWSTR:
12096 /* We assume this field points inside a MonoString */
12098 case MONO_MARSHAL_CONV_STR_LPTSTR:
12099 #ifdef TARGET_WIN32
12100 /* We assume this field points inside a MonoString
12104 case MONO_MARSHAL_CONV_STR_LPSTR:
12105 case MONO_MARSHAL_CONV_STR_BSTR:
12106 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
12107 case MONO_MARSHAL_CONV_STR_TBSTR:
12108 mono_marshal_free (*(gpointer *)cpos);
12118 ves_icall_System_Runtime_InteropServices_Marshal_DestroyStructure (gpointer src, MonoReflectionType *type)
12122 MONO_ARCH_SAVE_REGS;
12124 MONO_CHECK_ARG_NULL (src);
12125 MONO_CHECK_ARG_NULL (type);
12127 klass = mono_class_from_mono_type (type->type);
12128 if (!mono_class_init (klass))
12129 mono_raise_exception (mono_class_get_exception_for_failure (klass));
12131 mono_struct_delete_old (klass, (char *)src);
12135 ves_icall_System_Runtime_InteropServices_Marshal_AllocHGlobal (int size)
12139 MONO_ARCH_SAVE_REGS;
12141 if ((gulong)size == 0)
12142 /* This returns a valid pointer for size 0 on MS.NET */
12146 res = GlobalAlloc (GMEM_FIXED, (gulong)size);
12148 res = g_try_malloc ((gulong)size);
12151 mono_gc_out_of_memory ((gulong)size);
12157 ves_icall_System_Runtime_InteropServices_Marshal_ReAllocHGlobal (gpointer ptr, int size)
12162 mono_gc_out_of_memory ((gulong)size);
12167 res = GlobalReAlloc (ptr, (gulong)size, GMEM_MOVEABLE);
12169 res = g_try_realloc (ptr, (gulong)size);
12172 mono_gc_out_of_memory ((gulong)size);
12178 ves_icall_System_Runtime_InteropServices_Marshal_FreeHGlobal (void *ptr)
12180 MONO_ARCH_SAVE_REGS;
12190 ves_icall_System_Runtime_InteropServices_Marshal_AllocCoTaskMem (int size)
12192 MONO_ARCH_SAVE_REGS;
12195 return CoTaskMemAlloc (size);
12197 return g_try_malloc ((gulong)size);
12202 ves_icall_System_Runtime_InteropServices_Marshal_FreeCoTaskMem (void *ptr)
12204 MONO_ARCH_SAVE_REGS;
12207 CoTaskMemFree (ptr);
12214 ves_icall_System_Runtime_InteropServices_Marshal_ReAllocCoTaskMem (gpointer ptr, int size)
12216 MONO_ARCH_SAVE_REGS;
12219 return CoTaskMemRealloc (ptr, size);
12221 return g_try_realloc (ptr, (gulong)size);
12226 ves_icall_System_Runtime_InteropServices_Marshal_UnsafeAddrOfPinnedArrayElement (MonoArray *arrayobj, int index)
12228 return mono_array_addr_with_size_fast (arrayobj, mono_array_element_size (arrayobj->obj.vtable->klass), index);
12232 ves_icall_System_Runtime_InteropServices_Marshal_GetDelegateForFunctionPointerInternal (void *ftn, MonoReflectionType *type)
12234 MonoClass *klass = mono_type_get_class (type->type);
12235 if (!mono_class_init (klass))
12236 mono_raise_exception (mono_class_get_exception_for_failure (klass));
12238 return mono_ftnptr_to_delegate (klass, ftn);
12242 * mono_marshal_is_loading_type_info:
12244 * Return whenever mono_marshal_load_type_info () is being executed for KLASS by this
12248 mono_marshal_is_loading_type_info (MonoClass *klass)
12250 GSList *loads_list = mono_native_tls_get_value (load_type_info_tls_id);
12252 return g_slist_find (loads_list, klass) != NULL;
12256 * mono_marshal_load_type_info:
12258 * Initialize klass->marshal_info using information from metadata. This function can
12259 * recursively call itself, and the caller is responsible to avoid that by calling
12260 * mono_marshal_is_loading_type_info () beforehand.
12262 * LOCKING: Acquires the loader lock.
12265 mono_marshal_load_type_info (MonoClass* klass)
12268 guint32 native_size = 0, min_align = 1, packing;
12269 MonoMarshalType *info;
12270 MonoClassField* field;
12273 GSList *loads_list;
12275 g_assert (klass != NULL);
12277 if (klass->marshal_info)
12278 return klass->marshal_info;
12280 if (!klass->inited)
12281 mono_class_init (klass);
12283 if (klass->marshal_info)
12284 return klass->marshal_info;
12287 * This function can recursively call itself, so we keep the list of classes which are
12288 * under initialization in a TLS list.
12290 g_assert (!mono_marshal_is_loading_type_info (klass));
12291 loads_list = mono_native_tls_get_value (load_type_info_tls_id);
12292 loads_list = g_slist_prepend (loads_list, klass);
12293 mono_native_tls_set_value (load_type_info_tls_id, loads_list);
12296 while ((field = mono_class_get_fields (klass, &iter))) {
12297 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
12299 if (mono_field_is_deleted (field))
12304 layout = klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK;
12306 /* The mempool is protected by the loader lock */
12307 info = mono_image_alloc0 (klass->image, MONO_SIZEOF_MARSHAL_TYPE + sizeof (MonoMarshalField) * count);
12308 info->num_fields = count;
12310 /* Try to find a size for this type in metadata */
12311 mono_metadata_packing_from_typedef (klass->image, klass->type_token, NULL, &native_size);
12313 if (klass->parent) {
12314 int parent_size = mono_class_native_size (klass->parent, NULL);
12316 /* Add parent size to real size */
12317 native_size += parent_size;
12318 info->native_size = parent_size;
12321 packing = klass->packing_size ? klass->packing_size : 8;
12324 while ((field = mono_class_get_fields (klass, &iter))) {
12328 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
12331 if (mono_field_is_deleted (field))
12333 if (field->type->attrs & FIELD_ATTRIBUTE_HAS_FIELD_MARSHAL)
12334 mono_metadata_field_info_with_mempool (klass->image, mono_metadata_token_index (mono_class_get_field_token (field)) - 1,
12335 NULL, NULL, &info->fields [j].mspec);
12337 info->fields [j].field = field;
12339 if ((mono_class_num_fields (klass) == 1) && (klass->instance_size == sizeof (MonoObject)) &&
12340 (strcmp (mono_field_get_name (field), "$PRIVATE$") == 0)) {
12341 /* This field is a hack inserted by MCS to empty structures */
12346 case TYPE_ATTRIBUTE_AUTO_LAYOUT:
12347 case TYPE_ATTRIBUTE_SEQUENTIAL_LAYOUT:
12348 size = mono_marshal_type_size (field->type, info->fields [j].mspec,
12349 &align, TRUE, klass->unicode);
12350 align = klass->packing_size ? MIN (klass->packing_size, align): align;
12351 min_align = MAX (align, min_align);
12352 info->fields [j].offset = info->native_size;
12353 info->fields [j].offset += align - 1;
12354 info->fields [j].offset &= ~(align - 1);
12355 info->native_size = info->fields [j].offset + size;
12357 case TYPE_ATTRIBUTE_EXPLICIT_LAYOUT:
12358 size = mono_marshal_type_size (field->type, info->fields [j].mspec,
12359 &align, TRUE, klass->unicode);
12360 min_align = MAX (align, min_align);
12361 info->fields [j].offset = field->offset - sizeof (MonoObject);
12362 info->native_size = MAX (info->native_size, info->fields [j].offset + size);
12368 if (layout != TYPE_ATTRIBUTE_AUTO_LAYOUT) {
12369 info->native_size = MAX (native_size, info->native_size);
12371 * If the provided Size is equal or larger than the calculated size, and there
12372 * was no Pack attribute, we set min_align to 1 to avoid native_size being increased
12374 if (layout == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) {
12375 if (native_size && native_size == info->native_size && klass->packing_size == 0)
12378 min_align = MIN (min_align, packing);
12382 if (info->native_size & (min_align - 1)) {
12383 info->native_size += min_align - 1;
12384 info->native_size &= ~(min_align - 1);
12387 info->min_align = min_align;
12389 /* Update the class's blittable info, if the layouts don't match */
12390 if (info->native_size != mono_class_value_size (klass, NULL))
12391 klass->blittable = FALSE;
12393 /* If this is an array type, ensure that we have element info */
12394 if (klass->rank && !mono_marshal_is_loading_type_info (klass->element_class)) {
12395 mono_marshal_load_type_info (klass->element_class);
12398 loads_list = mono_native_tls_get_value (load_type_info_tls_id);
12399 loads_list = g_slist_remove (loads_list, klass);
12400 mono_native_tls_set_value (load_type_info_tls_id, loads_list);
12402 mono_marshal_lock ();
12403 if (!klass->marshal_info) {
12404 /*We do double-checking locking on marshal_info */
12405 mono_memory_barrier ();
12406 klass->marshal_info = info;
12408 mono_marshal_unlock ();
12410 return klass->marshal_info;
12414 * mono_class_native_size:
12417 * Returns: the native size of an object instance (when marshaled
12418 * to unmanaged code)
12421 mono_class_native_size (MonoClass *klass, guint32 *align)
12423 if (!klass->marshal_info) {
12424 if (mono_marshal_is_loading_type_info (klass)) {
12429 mono_marshal_load_type_info (klass);
12434 *align = klass->marshal_info->min_align;
12436 return klass->marshal_info->native_size;
12440 * mono_type_native_stack_size:
12441 * @t: the type to return the size it uses on the stack
12443 * Returns: the number of bytes required to hold an instance of this
12444 * type on the native stack
12447 mono_type_native_stack_size (MonoType *t, guint32 *align)
12451 g_assert (t != NULL);
12457 *align = sizeof (gpointer);
12458 return sizeof (gpointer);
12462 case MONO_TYPE_BOOLEAN:
12463 case MONO_TYPE_CHAR:
12474 case MONO_TYPE_STRING:
12475 case MONO_TYPE_OBJECT:
12476 case MONO_TYPE_CLASS:
12477 case MONO_TYPE_SZARRAY:
12478 case MONO_TYPE_PTR:
12479 case MONO_TYPE_FNPTR:
12480 case MONO_TYPE_ARRAY:
12481 *align = sizeof (gpointer);
12482 return sizeof (gpointer);
12487 *align = MONO_ABI_ALIGNOF (double);
12491 *align = MONO_ABI_ALIGNOF (gint64);
12493 case MONO_TYPE_GENERICINST:
12494 if (!mono_type_generic_inst_is_valuetype (t)) {
12495 *align = sizeof (gpointer);
12496 return sizeof (gpointer);
12499 case MONO_TYPE_TYPEDBYREF:
12500 case MONO_TYPE_VALUETYPE: {
12502 MonoClass *klass = mono_class_from_mono_type (t);
12504 if (klass->enumtype)
12505 return mono_type_native_stack_size (mono_class_enum_basetype (klass), align);
12507 size = mono_class_native_size (klass, align);
12508 *align = *align + 3;
12518 g_error ("type 0x%02x unknown", t->type);
12524 mono_marshal_type_size (MonoType *type, MonoMarshalSpec *mspec, guint32 *align,
12525 gboolean as_field, gboolean unicode)
12527 MonoMarshalNative native_type = mono_type_to_unmanaged (type, mspec, as_field, unicode, NULL);
12530 switch (native_type) {
12531 case MONO_NATIVE_BOOLEAN:
12534 case MONO_NATIVE_I1:
12535 case MONO_NATIVE_U1:
12538 case MONO_NATIVE_I2:
12539 case MONO_NATIVE_U2:
12540 case MONO_NATIVE_VARIANTBOOL:
12543 case MONO_NATIVE_I4:
12544 case MONO_NATIVE_U4:
12545 case MONO_NATIVE_ERROR:
12548 case MONO_NATIVE_I8:
12549 case MONO_NATIVE_U8:
12550 *align = MONO_ABI_ALIGNOF (gint64);
12552 case MONO_NATIVE_R4:
12555 case MONO_NATIVE_R8:
12556 *align = MONO_ABI_ALIGNOF (double);
12558 case MONO_NATIVE_INT:
12559 case MONO_NATIVE_UINT:
12560 case MONO_NATIVE_LPSTR:
12561 case MONO_NATIVE_LPWSTR:
12562 case MONO_NATIVE_LPTSTR:
12563 case MONO_NATIVE_BSTR:
12564 case MONO_NATIVE_ANSIBSTR:
12565 case MONO_NATIVE_TBSTR:
12566 case MONO_NATIVE_LPARRAY:
12567 case MONO_NATIVE_SAFEARRAY:
12568 case MONO_NATIVE_IUNKNOWN:
12569 case MONO_NATIVE_IDISPATCH:
12570 case MONO_NATIVE_INTERFACE:
12571 case MONO_NATIVE_ASANY:
12572 case MONO_NATIVE_FUNC:
12573 case MONO_NATIVE_LPSTRUCT:
12574 *align = MONO_ABI_ALIGNOF (gpointer);
12575 return sizeof (gpointer);
12576 case MONO_NATIVE_STRUCT:
12577 klass = mono_class_from_mono_type (type);
12578 if (klass == mono_defaults.object_class &&
12579 (mspec && mspec->native == MONO_NATIVE_STRUCT)) {
12583 return mono_class_native_size (klass, align);
12584 case MONO_NATIVE_BYVALTSTR: {
12585 int esize = unicode ? 2: 1;
12588 return mspec->data.array_data.num_elem * esize;
12590 case MONO_NATIVE_BYVALARRAY: {
12591 // FIXME: Have to consider ArraySubType
12593 klass = mono_class_from_mono_type (type);
12594 if (klass->element_class == mono_defaults.char_class) {
12595 esize = unicode ? 2 : 1;
12598 esize = mono_class_native_size (klass->element_class, align);
12601 return mspec->data.array_data.num_elem * esize;
12603 case MONO_NATIVE_CUSTOM:
12604 *align = sizeof (gpointer);
12605 return sizeof (gpointer);
12607 case MONO_NATIVE_CURRENCY:
12608 case MONO_NATIVE_VBBYREFSTR:
12610 g_error ("native type %02x not implemented", native_type);
12613 g_assert_not_reached ();
12618 mono_marshal_asany (MonoObject *o, MonoMarshalNative string_encoding, int param_attrs)
12626 t = &o->vtable->klass->byval_arg;
12630 case MONO_TYPE_PTR:
12633 case MONO_TYPE_BOOLEAN:
12636 case MONO_TYPE_CHAR:
12641 return mono_object_unbox (o);
12643 case MONO_TYPE_STRING:
12644 switch (string_encoding) {
12645 case MONO_NATIVE_LPWSTR:
12646 return mono_marshal_string_to_utf16_copy ((MonoString*)o);
12648 case MONO_NATIVE_LPSTR:
12649 return mono_string_to_lpstr ((MonoString*)o);
12652 g_warning ("marshaling conversion %d not implemented", string_encoding);
12653 g_assert_not_reached ();
12656 case MONO_TYPE_CLASS:
12657 case MONO_TYPE_VALUETYPE: {
12658 MonoMethod *method;
12661 MonoBoolean delete_old = FALSE;
12663 klass = t->data.klass;
12665 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT)
12668 if (klass->valuetype && (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
12669 klass->blittable || klass->enumtype))
12670 return mono_object_unbox (o);
12672 res = mono_marshal_alloc (mono_class_native_size (klass, NULL));
12674 if (!((param_attrs & PARAM_ATTRIBUTE_OUT) && !(param_attrs & PARAM_ATTRIBUTE_IN))) {
12675 method = mono_marshal_get_struct_to_ptr (o->vtable->klass);
12679 pa [2] = &delete_old;
12681 mono_runtime_invoke (method, NULL, pa, NULL);
12688 mono_raise_exception (mono_get_exception_argument ("", "No PInvoke conversion exists for value passed to Object-typed parameter."));
12694 mono_marshal_free_asany (MonoObject *o, gpointer ptr, MonoMarshalNative string_encoding, int param_attrs)
12702 t = &o->vtable->klass->byval_arg;
12704 case MONO_TYPE_STRING:
12705 switch (string_encoding) {
12706 case MONO_NATIVE_LPWSTR:
12707 case MONO_NATIVE_LPSTR:
12708 mono_marshal_free (ptr);
12711 g_warning ("marshaling conversion %d not implemented", string_encoding);
12712 g_assert_not_reached ();
12715 case MONO_TYPE_CLASS:
12716 case MONO_TYPE_VALUETYPE: {
12717 klass = t->data.klass;
12719 if (klass->valuetype && (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
12720 klass->blittable || klass->enumtype))
12723 if (param_attrs & PARAM_ATTRIBUTE_OUT) {
12724 MonoMethod *method = mono_marshal_get_ptr_to_struct (o->vtable->klass);
12730 mono_runtime_invoke (method, NULL, pa, NULL);
12733 if (!((param_attrs & PARAM_ATTRIBUTE_OUT) && !(param_attrs & PARAM_ATTRIBUTE_IN))) {
12734 mono_struct_delete_old (klass, ptr);
12737 mono_marshal_free (ptr);
12746 mono_marshal_get_generic_array_helper (MonoClass *class, MonoClass *iface, gchar *name, MonoMethod *method)
12748 MonoMethodSignature *sig, *csig;
12749 MonoMethodBuilder *mb;
12754 mb = mono_mb_new_no_dup_name (class, name, MONO_WRAPPER_MANAGED_TO_MANAGED);
12755 mb->method->slot = -1;
12757 mb->method->flags = METHOD_ATTRIBUTE_PRIVATE | METHOD_ATTRIBUTE_VIRTUAL |
12758 METHOD_ATTRIBUTE_NEW_SLOT | METHOD_ATTRIBUTE_HIDE_BY_SIG | METHOD_ATTRIBUTE_FINAL;
12760 sig = mono_method_signature (method);
12761 csig = signature_dup (method->klass->image, sig);
12762 csig->generic_param_count = 0;
12764 #ifndef DISABLE_JIT
12765 mono_mb_emit_ldarg (mb, 0);
12766 for (i = 0; i < csig->param_count; i++)
12767 mono_mb_emit_ldarg (mb, i + 1);
12768 mono_mb_emit_managed_call (mb, method, NULL);
12769 mono_mb_emit_byte (mb, CEE_RET);
12771 /* We can corlib internal methods */
12772 mb->skip_visibility = TRUE;
12774 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_GENERIC_ARRAY_HELPER);
12775 info->d.generic_array_helper.method = method;
12776 res = mono_mb_create (mb, csig, csig->param_count + 16, info);
12784 * The mono_win32_compat_* functions are implementations of inline
12785 * Windows kernel32 APIs, which are DllImport-able under MS.NET,
12786 * although not exported by kernel32.
12788 * We map the appropiate kernel32 entries to these functions using
12789 * dllmaps declared in the global etc/mono/config.
12793 mono_win32_compat_CopyMemory (gpointer dest, gconstpointer source, gsize length)
12795 if (!dest || !source)
12798 memcpy (dest, source, length);
12802 mono_win32_compat_FillMemory (gpointer dest, gsize length, guchar fill)
12804 memset (dest, fill, length);
12808 mono_win32_compat_MoveMemory (gpointer dest, gconstpointer source, gsize length)
12810 if (!dest || !source)
12813 memmove (dest, source, length);
12817 mono_win32_compat_ZeroMemory (gpointer dest, gsize length)
12819 memset (dest, 0, length);
12823 mono_marshal_find_nonzero_bit_offset (guint8 *buf, int len, int *byte_offset, guint8 *bitmask)
12828 for (i = 0; i < len; ++i)
12832 g_assert (i < len);
12835 while (byte && !(byte & 1))
12837 g_assert (byte == 1);
12840 *bitmask = buf [i];
12844 mono_marshal_get_thunk_invoke_wrapper (MonoMethod *method)
12846 MonoMethodBuilder *mb;
12847 MonoMethodSignature *sig, *csig;
12848 MonoExceptionClause *clause;
12853 int i, param_count, sig_size, pos_leave;
12857 klass = method->klass;
12858 image = method->klass->image;
12859 cache = get_cache (&image->thunk_invoke_cache, mono_aligned_addr_hash, NULL);
12861 if ((res = mono_marshal_find_in_cache (cache, method)))
12864 sig = mono_method_signature (method);
12865 mb = mono_mb_new (klass, method->name, MONO_WRAPPER_NATIVE_TO_MANAGED);
12867 /* add "this" and exception param */
12868 param_count = sig->param_count + sig->hasthis + 1;
12870 /* dup & extend signature */
12871 csig = mono_metadata_signature_alloc (image, param_count);
12872 sig_size = MONO_SIZEOF_METHOD_SIGNATURE + sig->param_count * sizeof (MonoType *);
12873 memcpy (csig, sig, sig_size);
12874 csig->param_count = param_count;
12877 csig->call_convention = MONO_CALL_DEFAULT;
12879 if (sig->hasthis) {
12881 csig->params [0] = &klass->byval_arg;
12882 /* move params up by one */
12883 for (i = 0; i < sig->param_count; i++)
12884 csig->params [i + 1] = sig->params [i];
12887 /* setup exception param as byref+[out] */
12888 csig->params [param_count - 1] = mono_metadata_type_dup (image,
12889 &mono_defaults.exception_class->byval_arg);
12890 csig->params [param_count - 1]->byref = 1;
12891 csig->params [param_count - 1]->attrs = PARAM_ATTRIBUTE_OUT;
12893 /* convert struct return to object */
12894 if (MONO_TYPE_ISSTRUCT (sig->ret))
12895 csig->ret = &mono_defaults.object_class->byval_arg;
12897 #ifndef DISABLE_JIT
12898 /* local 0 (temp for exception object) */
12899 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
12901 /* local 1 (temp for result) */
12902 if (!MONO_TYPE_IS_VOID (sig->ret))
12903 mono_mb_add_local (mb, sig->ret);
12905 /* clear exception arg */
12906 mono_mb_emit_ldarg (mb, param_count - 1);
12907 mono_mb_emit_byte (mb, CEE_LDNULL);
12908 mono_mb_emit_byte (mb, CEE_STIND_REF);
12911 clause = mono_image_alloc0 (image, sizeof (MonoExceptionClause));
12912 clause->try_offset = mono_mb_get_label (mb);
12914 /* push method's args */
12915 for (i = 0; i < param_count - 1; i++) {
12919 mono_mb_emit_ldarg (mb, i);
12921 /* get the byval type of the param */
12922 klass = mono_class_from_mono_type (csig->params [i]);
12923 type = &klass->byval_arg;
12925 /* unbox struct args */
12926 if (MONO_TYPE_ISSTRUCT (type)) {
12927 mono_mb_emit_op (mb, CEE_UNBOX, klass);
12929 /* byref args & and the "this" arg must remain a ptr.
12930 Otherwise make a copy of the value type */
12931 if (!(csig->params [i]->byref || (i == 0 && sig->hasthis)))
12932 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
12934 csig->params [i] = &mono_defaults.object_class->byval_arg;
12939 if (method->flags & METHOD_ATTRIBUTE_VIRTUAL)
12940 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
12942 mono_mb_emit_op (mb, CEE_CALL, method);
12944 /* save result at local 1 */
12945 if (!MONO_TYPE_IS_VOID (sig->ret))
12946 mono_mb_emit_stloc (mb, 1);
12948 pos_leave = mono_mb_emit_branch (mb, CEE_LEAVE);
12951 clause->flags = MONO_EXCEPTION_CLAUSE_NONE;
12952 clause->try_len = mono_mb_get_pos (mb) - clause->try_offset;
12953 clause->data.catch_class = mono_defaults.object_class;
12955 clause->handler_offset = mono_mb_get_label (mb);
12957 /* store exception at local 0 */
12958 mono_mb_emit_stloc (mb, 0);
12959 mono_mb_emit_ldarg (mb, param_count - 1);
12960 mono_mb_emit_ldloc (mb, 0);
12961 mono_mb_emit_byte (mb, CEE_STIND_REF);
12962 mono_mb_emit_branch (mb, CEE_LEAVE);
12964 clause->handler_len = mono_mb_get_pos (mb) - clause->handler_offset;
12966 mono_mb_set_clauses (mb, 1, clause);
12968 mono_mb_patch_branch (mb, pos_leave);
12971 if (!MONO_TYPE_IS_VOID (sig->ret)) {
12972 mono_mb_emit_ldloc (mb, 1);
12974 /* box the return value */
12975 if (MONO_TYPE_ISSTRUCT (sig->ret))
12976 mono_mb_emit_op (mb, CEE_BOX, mono_class_from_mono_type (sig->ret));
12979 mono_mb_emit_byte (mb, CEE_RET);
12982 res = mono_mb_create_and_cache (cache, method, mb, csig, param_count + 16);
12989 * mono_marshal_free_dynamic_wrappers:
12991 * Free wrappers of the dynamic method METHOD.
12994 mono_marshal_free_dynamic_wrappers (MonoMethod *method)
12996 MonoImage *image = method->klass->image;
12998 g_assert (method_is_dynamic (method));
13000 /* This could be called during shutdown */
13001 if (marshal_mutex_initialized)
13002 mono_marshal_lock ();
13004 * FIXME: We currently leak the wrappers. Freeing them would be tricky as
13005 * they could be shared with other methods ?
13007 if (image->runtime_invoke_direct_cache)
13008 g_hash_table_remove (image->runtime_invoke_direct_cache, method);
13009 if (image->delegate_abstract_invoke_cache)
13010 g_hash_table_foreach_remove (image->delegate_abstract_invoke_cache, signature_method_pair_matches_method, method);
13011 // FIXME: Need to clear the caches in other images as well
13012 if (image->delegate_bound_static_invoke_cache)
13013 g_hash_table_remove (image->delegate_bound_static_invoke_cache, mono_method_signature (method));
13015 if (marshal_mutex_initialized)
13016 mono_marshal_unlock ();
13020 signature_method_pair_matches_signature (gpointer key, gpointer value, gpointer user_data)
13022 SignatureMethodPair *pair = (SignatureMethodPair*)key;
13023 MonoMethodSignature *sig = (MonoMethodSignature*)user_data;
13025 return mono_metadata_signature_equal (pair->sig, sig);
13029 * mono_marshal_free_inflated_wrappers:
13031 * Free wrappers of the inflated method METHOD.
13034 mono_marshal_free_inflated_wrappers (MonoMethod *method)
13036 MonoMethodSignature *sig = method->signature;
13038 g_assert (method->is_inflated);
13040 /* Ignore calls occuring late during cleanup. */
13041 if (!marshal_mutex_initialized)
13044 mono_marshal_lock ();
13046 * FIXME: We currently leak the wrappers. Freeing them would be tricky as
13047 * they could be shared with other methods ?
13051 * indexed by MonoMethodSignature
13053 /* FIXME: This could remove unrelated wrappers as well */
13054 if (sig && method->klass->image->delegate_begin_invoke_cache)
13055 g_hash_table_remove (method->klass->image->delegate_begin_invoke_cache, sig);
13056 if (sig && method->klass->image->delegate_end_invoke_cache)
13057 g_hash_table_remove (method->klass->image->delegate_end_invoke_cache, sig);
13058 if (sig && method->klass->image->delegate_invoke_cache)
13059 g_hash_table_remove (method->klass->image->delegate_invoke_cache, sig);
13060 if (sig && method->klass->image->runtime_invoke_cache)
13061 g_hash_table_remove (method->klass->image->runtime_invoke_cache, sig);
13062 if (sig && method->klass->image->runtime_invoke_vtype_cache)
13063 g_hash_table_remove (method->klass->image->runtime_invoke_vtype_cache, sig);
13066 * indexed by SignatureMethodPair
13068 if (sig && method->klass->image->delegate_abstract_invoke_cache)
13069 g_hash_table_foreach_remove (method->klass->image->delegate_abstract_invoke_cache,
13070 signature_method_pair_matches_signature, (gpointer)sig);
13073 * indexed by MonoMethod pointers
13075 if (method->klass->image->runtime_invoke_direct_cache)
13076 g_hash_table_remove (method->klass->image->runtime_invoke_direct_cache, method);
13077 if (method->klass->image->managed_wrapper_cache)
13078 g_hash_table_remove (method->klass->image->managed_wrapper_cache, method);
13079 if (method->klass->image->native_wrapper_cache)
13080 g_hash_table_remove (method->klass->image->native_wrapper_cache, method);
13081 if (method->klass->image->remoting_invoke_cache)
13082 g_hash_table_remove (method->klass->image->remoting_invoke_cache, method);
13083 if (method->klass->image->synchronized_cache)
13084 g_hash_table_remove (method->klass->image->synchronized_cache, method);
13085 if (method->klass->image->unbox_wrapper_cache)
13086 g_hash_table_remove (method->klass->image->unbox_wrapper_cache, method);
13087 if (method->klass->image->cominterop_invoke_cache)
13088 g_hash_table_remove (method->klass->image->cominterop_invoke_cache, method);
13089 if (method->klass->image->cominterop_wrapper_cache)
13090 g_hash_table_remove (method->klass->image->cominterop_wrapper_cache, method);
13091 if (method->klass->image->thunk_invoke_cache)
13092 g_hash_table_remove (method->klass->image->thunk_invoke_cache, method);
13093 if (method->klass->image->native_func_wrapper_aot_cache)
13094 g_hash_table_remove (method->klass->image->native_func_wrapper_aot_cache, method);
13096 mono_marshal_unlock ();