2 * marshal.c: Routines for marshaling complex types in P/Invoke methods.
5 * Paolo Molaro (lupus@ximian.com)
7 * Copyright 2002-2003 Ximian, Inc (http://www.ximian.com)
8 * Copyright 2004-2009 Novell, Inc (http://www.novell.com)
9 * Copyright 2011 Xamarin, Inc (http://www.xamarin.com)
21 #include "metadata/marshal.h"
22 #include "metadata/method-builder.h"
23 #include "metadata/tabledefs.h"
24 #include "metadata/exception.h"
25 #include "metadata/appdomain.h"
26 #include "mono/metadata/debug-helpers.h"
27 #include "mono/metadata/threadpool.h"
28 #include "mono/metadata/threads.h"
29 #include "mono/metadata/monitor.h"
30 #include "mono/metadata/metadata-internals.h"
31 #include "mono/metadata/domain-internals.h"
32 #include "mono/metadata/gc-internal.h"
33 #include "mono/metadata/threads-types.h"
34 #include "mono/metadata/string-icalls.h"
35 #include "mono/metadata/attrdefs.h"
36 #include "mono/metadata/gc-internal.h"
37 #include "mono/metadata/cominterop.h"
38 #include "mono/utils/mono-counters.h"
39 #include "mono/utils/mono-tls.h"
40 #include "mono/utils/mono-memory-model.h"
41 #include "mono/utils/atomic.h"
45 /* #define DEBUG_RUNTIME_CODE */
47 #define OPDEF(a,b,c,d,e,f,g,h,i,j) \
51 MONO_MARSHAL_NONE, /* No marshalling needed */
52 MONO_MARSHAL_COPY, /* Can be copied by value to the new domain */
53 MONO_MARSHAL_COPY_OUT, /* out parameter that needs to be copied back to the original instance */
54 MONO_MARSHAL_SERIALIZE /* Value needs to be serialized into the new domain */
55 } MonoXDomainMarshalType;
58 #include "mono/cil/opcode.def"
63 struct _MonoRemotingMethods {
65 MonoMethod *invoke_with_check;
66 MonoMethod *xdomain_invoke;
67 MonoMethod *xdomain_dispatch;
70 typedef struct _MonoRemotingMethods MonoRemotingMethods;
73 * This mutex protects the various marshalling related caches in MonoImage
74 * and a few other data structures static to this file.
75 * Note that when this lock is held it is not possible to take other runtime
76 * locks like the loader lock.
78 #define mono_marshal_lock() EnterCriticalSection (&marshal_mutex)
79 #define mono_marshal_unlock() LeaveCriticalSection (&marshal_mutex)
80 static CRITICAL_SECTION marshal_mutex;
81 static gboolean marshal_mutex_initialized;
83 static MonoNativeTlsKey last_error_tls_id;
85 static MonoNativeTlsKey load_type_info_tls_id;
87 static gboolean use_aot_wrappers;
90 delegate_hash_table_add (MonoDelegate *d);
93 emit_struct_conv (MonoMethodBuilder *mb, MonoClass *klass, gboolean to_object);
96 emit_struct_conv_full (MonoMethodBuilder *mb, MonoClass *klass, gboolean to_object, MonoMarshalNative string_encoding);
99 mono_struct_delete_old (MonoClass *klass, char *ptr);
102 mono_marshal_string_to_utf16 (MonoString *s);
105 mono_marshal_string_to_utf16_copy (MonoString *s);
108 mono_string_to_lpstr (MonoString *string_obj);
110 static MonoStringBuilder *
111 mono_string_utf8_to_builder2 (char *text);
113 static MonoStringBuilder *
114 mono_string_utf16_to_builder2 (gunichar2 *text);
117 mono_string_new_len_wrapper (const char *text, guint length);
120 mono_string_from_byvalwstr (gunichar2 *data, int len);
123 mono_byvalarray_to_array (MonoArray *arr, gpointer native_arr, MonoClass *eltype, guint32 elnum);
126 mono_byvalarray_to_byte_array (MonoArray *arr, gpointer native_arr, guint32 elnum);
129 mono_array_to_byvalarray (gpointer native_arr, MonoArray *arr, MonoClass *eltype, guint32 elnum);
132 mono_array_to_byte_byvalarray (gpointer native_arr, MonoArray *arr, guint32 elnum);
134 static MonoAsyncResult *
135 mono_delegate_begin_invoke (MonoDelegate *delegate, gpointer *params);
138 mono_delegate_end_invoke (MonoDelegate *delegate, gpointer *params);
141 mono_marshal_xdomain_copy_out_value (MonoObject *src, MonoObject *dst);
144 mono_marshal_set_domain_by_id (gint32 id, MonoBoolean push);
147 mono_marshal_check_domain_image (gint32 domain_id, MonoImage *image);
149 #ifndef DISABLE_REMOTING
151 mono_remoting_wrapper (MonoMethod *method, gpointer *params);
154 mono_upgrade_remote_class_wrapper (MonoReflectionType *rtype, MonoTransparentProxy *tproxy);
158 static MonoReflectionType *
159 type_from_handle (MonoType *handle);
162 mono_marshal_set_last_error_windows (int error);
164 static void init_safe_handle (void);
166 /* MonoMethod pointers to SafeHandle::DangerousAddRef and ::DangerousRelease */
167 static MonoMethod *sh_dangerous_add_ref;
168 static MonoMethod *sh_dangerous_release;
174 sh_dangerous_add_ref = mono_class_get_method_from_name (
175 mono_defaults.safehandle_class, "DangerousAddRef", 1);
176 sh_dangerous_release = mono_class_get_method_from_name (
177 mono_defaults.safehandle_class, "DangerousRelease", 0);
181 register_icall (gpointer func, const char *name, const char *sigstr, gboolean save)
183 MonoMethodSignature *sig = mono_create_icall_signature (sigstr);
185 mono_register_jit_icall (func, name, sig, save);
188 static MonoMethodSignature*
189 signature_dup (MonoImage *image, MonoMethodSignature *sig)
191 MonoMethodSignature *res;
194 res = mono_metadata_signature_alloc (image, sig->param_count);
195 sigsize = MONO_SIZEOF_METHOD_SIGNATURE + sig->param_count * sizeof (MonoType *);
196 memcpy (res, sig, sigsize);
202 mono_signature_no_pinvoke (MonoMethod *method)
204 MonoMethodSignature *sig = mono_method_signature (method);
206 sig = signature_dup (method->klass->image, sig);
207 sig->pinvoke = FALSE;
214 mono_marshal_init_tls (void)
216 mono_native_tls_alloc (&last_error_tls_id, NULL);
217 mono_native_tls_alloc (&load_type_info_tls_id, NULL);
221 mono_marshal_init (void)
223 static gboolean module_initialized = FALSE;
225 if (!module_initialized) {
226 module_initialized = TRUE;
227 InitializeCriticalSection (&marshal_mutex);
228 marshal_mutex_initialized = TRUE;
230 register_icall (ves_icall_System_Threading_Thread_ResetAbort, "ves_icall_System_Threading_Thread_ResetAbort", "void", TRUE);
231 register_icall (mono_marshal_string_to_utf16, "mono_marshal_string_to_utf16", "ptr obj", FALSE);
232 register_icall (mono_marshal_string_to_utf16_copy, "mono_marshal_string_to_utf16_copy", "ptr obj", FALSE);
233 register_icall (mono_string_to_utf16, "mono_string_to_utf16", "ptr obj", FALSE);
234 register_icall (mono_string_from_utf16, "mono_string_from_utf16", "obj ptr", FALSE);
235 register_icall (mono_string_from_byvalwstr, "mono_string_from_byvalwstr", "obj ptr int", FALSE);
236 register_icall (mono_string_new_wrapper, "mono_string_new_wrapper", "obj ptr", FALSE);
237 register_icall (mono_string_new_len_wrapper, "mono_string_new_len_wrapper", "obj ptr int", FALSE);
238 register_icall (mono_string_to_utf8, "mono_string_to_utf8", "ptr obj", FALSE);
239 register_icall (mono_string_to_lpstr, "mono_string_to_lpstr", "ptr obj", FALSE);
240 register_icall (mono_string_to_ansibstr, "mono_string_to_ansibstr", "ptr object", FALSE);
241 register_icall (mono_string_builder_to_utf8, "mono_string_builder_to_utf8", "ptr object", FALSE);
242 register_icall (mono_string_builder_to_utf16, "mono_string_builder_to_utf16", "ptr object", FALSE);
243 register_icall (mono_array_to_savearray, "mono_array_to_savearray", "ptr object", FALSE);
244 register_icall (mono_array_to_lparray, "mono_array_to_lparray", "ptr object", FALSE);
245 register_icall (mono_free_lparray, "mono_free_lparray", "void object ptr", FALSE);
246 register_icall (mono_byvalarray_to_array, "mono_byvalarray_to_array", "void object ptr ptr int32", FALSE);
247 register_icall (mono_byvalarray_to_byte_array, "mono_byvalarray_to_byte_array", "void object ptr int32", FALSE);
248 register_icall (mono_array_to_byvalarray, "mono_array_to_byvalarray", "void ptr object ptr int32", FALSE);
249 register_icall (mono_array_to_byte_byvalarray, "mono_array_to_byte_byvalarray", "void ptr object int32", FALSE);
250 register_icall (mono_delegate_to_ftnptr, "mono_delegate_to_ftnptr", "ptr object", FALSE);
251 register_icall (mono_ftnptr_to_delegate, "mono_ftnptr_to_delegate", "object ptr ptr", FALSE);
252 register_icall (mono_marshal_asany, "mono_marshal_asany", "ptr object int32 int32", FALSE);
253 register_icall (mono_marshal_free_asany, "mono_marshal_free_asany", "void object ptr int32 int32", FALSE);
254 register_icall (mono_marshal_alloc, "mono_marshal_alloc", "ptr int32", FALSE);
255 register_icall (mono_marshal_free, "mono_marshal_free", "void ptr", FALSE);
256 register_icall (mono_marshal_set_last_error, "mono_marshal_set_last_error", "void", FALSE);
257 register_icall (mono_marshal_set_last_error_windows, "mono_marshal_set_last_error_windows", "void int32", FALSE);
258 register_icall (mono_string_utf8_to_builder, "mono_string_utf8_to_builder", "void ptr ptr", FALSE);
259 register_icall (mono_string_utf8_to_builder2, "mono_string_utf8_to_builder2", "object ptr", FALSE);
260 register_icall (mono_string_utf16_to_builder, "mono_string_utf16_to_builder", "void ptr ptr", FALSE);
261 register_icall (mono_string_utf16_to_builder2, "mono_string_utf16_to_builder2", "object ptr", FALSE);
262 register_icall (mono_marshal_free_array, "mono_marshal_free_array", "void ptr int32", FALSE);
263 register_icall (mono_string_to_byvalstr, "mono_string_to_byvalstr", "void ptr ptr int32", FALSE);
264 register_icall (mono_string_to_byvalwstr, "mono_string_to_byvalwstr", "void ptr ptr int32", FALSE);
265 register_icall (g_free, "g_free", "void ptr", FALSE);
266 register_icall (mono_object_isinst, "mono_object_isinst", "object object ptr", FALSE);
267 register_icall (mono_struct_delete_old, "mono_struct_delete_old", "void ptr ptr", FALSE);
268 register_icall (mono_delegate_begin_invoke, "mono_delegate_begin_invoke", "object object ptr", FALSE);
269 register_icall (mono_delegate_end_invoke, "mono_delegate_end_invoke", "object object ptr", FALSE);
270 register_icall (mono_marshal_xdomain_copy_value, "mono_marshal_xdomain_copy_value", "object object", FALSE);
271 register_icall (mono_marshal_xdomain_copy_out_value, "mono_marshal_xdomain_copy_out_value", "void object object", FALSE);
272 register_icall (mono_marshal_set_domain_by_id, "mono_marshal_set_domain_by_id", "int32 int32 int32", FALSE);
273 register_icall (mono_marshal_check_domain_image, "mono_marshal_check_domain_image", "int32 int32 ptr", FALSE);
274 register_icall (mono_compile_method, "mono_compile_method", "ptr ptr", FALSE);
275 register_icall (mono_context_get, "mono_context_get", "object", FALSE);
276 register_icall (mono_context_set, "mono_context_set", "void object", FALSE);
277 register_icall (type_from_handle, "type_from_handle", "object ptr", FALSE);
278 register_icall (mono_gc_wbarrier_generic_nostore, "wb_generic", "void ptr", FALSE);
279 register_icall (mono_gchandle_get_target, "mono_gchandle_get_target", "object int32", TRUE);
281 #ifndef DISABLE_REMOTING
282 register_icall (mono_remoting_wrapper, "mono_remoting_wrapper", "object ptr ptr", FALSE);
283 register_icall (mono_upgrade_remote_class_wrapper, "mono_upgrade_remote_class_wrapper", "void object object", FALSE);
285 mono_cominterop_init ();
290 mono_marshal_cleanup (void)
292 mono_cominterop_cleanup ();
294 mono_native_tls_free (load_type_info_tls_id);
295 mono_native_tls_free (last_error_tls_id);
296 DeleteCriticalSection (&marshal_mutex);
297 marshal_mutex_initialized = FALSE;
300 #ifndef DISABLE_REMOTING
301 static MonoClass *byte_array_class;
302 static MonoMethod *method_rs_serialize, *method_rs_deserialize, *method_exc_fixexc, *method_rs_appdomain_target;
303 static MonoMethod *method_set_call_context, *method_needs_context_sink, *method_rs_serialize_exc;
306 mono_remoting_marshal_init (void)
310 static gboolean module_initialized = FALSE;
312 if (!module_initialized) {
313 klass = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting", "RemotingServices");
314 method_rs_serialize = mono_class_get_method_from_name (klass, "SerializeCallData", -1);
315 method_rs_deserialize = mono_class_get_method_from_name (klass, "DeserializeCallData", -1);
316 method_rs_serialize_exc = mono_class_get_method_from_name (klass, "SerializeExceptionData", -1);
318 klass = mono_defaults.real_proxy_class;
319 method_rs_appdomain_target = mono_class_get_method_from_name (klass, "GetAppDomainTarget", -1);
321 klass = mono_defaults.exception_class;
322 method_exc_fixexc = mono_class_get_method_from_name (klass, "FixRemotingException", -1);
324 byte_array_class = mono_array_class_get (mono_defaults.byte_class, 1);
326 klass = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting.Messaging", "CallContext");
327 method_set_call_context = mono_class_get_method_from_name (klass, "SetCurrentCallContext", -1);
329 klass = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting.Contexts", "Context");
330 method_needs_context_sink = mono_class_get_method_from_name (klass, "get_NeedsContextSink", -1);
332 module_initialized = TRUE;
338 mono_delegate_to_ftnptr (MonoDelegate *delegate)
340 MonoMethod *method, *wrapper;
342 uint32_t target_handle = 0;
347 if (delegate->delegate_trampoline)
348 return delegate->delegate_trampoline;
350 klass = ((MonoObject *)delegate)->vtable->klass;
351 g_assert (klass->delegate);
353 method = delegate->method;
355 if (mono_method_signature (method)->pinvoke) {
356 const char *exc_class, *exc_arg;
359 ftnptr = mono_lookup_pinvoke_call (method, &exc_class, &exc_arg);
361 g_assert (exc_class);
362 mono_raise_exception (mono_exception_from_name_msg (mono_defaults.corlib, "System", exc_class, exc_arg));
367 if (delegate->target) {
368 /* Produce a location which can be embedded in JITted code */
369 target_handle = mono_gchandle_new_weakref (delegate->target, FALSE);
372 wrapper = mono_marshal_get_managed_wrapper (method, klass, target_handle);
374 delegate->delegate_trampoline = mono_compile_method (wrapper);
376 // Add the delegate to the delegate hash table
377 delegate_hash_table_add (delegate);
379 /* when the object is collected, collect the dynamic method, too */
380 mono_object_register_finalizer ((MonoObject*)delegate);
382 return delegate->delegate_trampoline;
386 * this hash table maps from a delegate trampoline object to a weak reference
387 * of the delegate. As an optimizations with a non-moving GC we store the
388 * object pointer itself, otherwise we use a GC handle.
390 static GHashTable *delegate_hash_table;
393 delegate_hash_table_new (void) {
394 return g_hash_table_new (NULL, NULL);
398 delegate_hash_table_remove (MonoDelegate *d)
400 guint32 gchandle = 0;
402 mono_marshal_lock ();
403 if (delegate_hash_table == NULL)
404 delegate_hash_table = delegate_hash_table_new ();
405 if (mono_gc_is_moving ())
406 gchandle = GPOINTER_TO_UINT (g_hash_table_lookup (delegate_hash_table, d->delegate_trampoline));
407 g_hash_table_remove (delegate_hash_table, d->delegate_trampoline);
408 mono_marshal_unlock ();
409 if (mono_gc_is_moving ())
410 mono_gchandle_free (gchandle);
414 delegate_hash_table_add (MonoDelegate *d)
417 guint32 old_gchandle;
419 mono_marshal_lock ();
420 if (delegate_hash_table == NULL)
421 delegate_hash_table = delegate_hash_table_new ();
422 if (mono_gc_is_moving ()) {
423 gchandle = mono_gchandle_new_weakref ((MonoObject*)d, FALSE);
424 old_gchandle = GPOINTER_TO_UINT (g_hash_table_lookup (delegate_hash_table, d->delegate_trampoline));
425 g_hash_table_insert (delegate_hash_table, d->delegate_trampoline, GUINT_TO_POINTER (gchandle));
427 mono_gchandle_free (old_gchandle);
429 g_hash_table_insert (delegate_hash_table, d->delegate_trampoline, d);
431 mono_marshal_unlock ();
435 * mono_marshal_use_aot_wrappers:
437 * Instructs this module to use AOT compatible wrappers.
440 mono_marshal_use_aot_wrappers (gboolean use)
442 use_aot_wrappers = use;
446 parse_unmanaged_function_pointer_attr (MonoClass *klass, MonoMethodPInvoke *piinfo)
448 static MonoClass *UnmanagedFunctionPointerAttribute;
449 MonoCustomAttrInfo *cinfo;
450 MonoReflectionUnmanagedFunctionPointerAttribute *attr;
452 if (!UnmanagedFunctionPointerAttribute)
453 UnmanagedFunctionPointerAttribute = mono_class_from_name (mono_defaults.corlib, "System.Runtime.InteropServices", "UnmanagedFunctionPointerAttribute");
455 /* The attribute is only available in Net 2.0 */
456 if (UnmanagedFunctionPointerAttribute) {
458 * The pinvoke attributes are stored in a real custom attribute so we have to
461 cinfo = mono_custom_attrs_from_class (klass);
462 if (cinfo && !mono_runtime_get_no_exec ()) {
463 attr = (MonoReflectionUnmanagedFunctionPointerAttribute*)mono_custom_attrs_get_attr (cinfo, UnmanagedFunctionPointerAttribute);
465 piinfo->piflags = (attr->call_conv << 8) | (attr->charset ? (attr->charset - 1) * 2 : 1) | attr->set_last_error;
468 mono_custom_attrs_free (cinfo);
474 mono_ftnptr_to_delegate (MonoClass *klass, gpointer ftn)
482 mono_marshal_lock ();
483 if (delegate_hash_table == NULL)
484 delegate_hash_table = delegate_hash_table_new ();
486 if (mono_gc_is_moving ()) {
487 gchandle = GPOINTER_TO_UINT (g_hash_table_lookup (delegate_hash_table, ftn));
488 mono_marshal_unlock ();
490 d = (MonoDelegate*)mono_gchandle_get_target (gchandle);
494 d = g_hash_table_lookup (delegate_hash_table, ftn);
495 mono_marshal_unlock ();
498 /* This is a native function, so construct a delegate for it */
499 MonoMethodSignature *sig;
501 MonoMarshalSpec **mspecs;
502 MonoMethod *invoke = mono_get_delegate_invoke (klass);
503 MonoMethodPInvoke piinfo;
507 if (use_aot_wrappers) {
508 wrapper = mono_marshal_get_native_func_wrapper_aot (klass);
509 this = mono_value_box (mono_domain_get (), mono_defaults.int_class, &ftn);
511 memset (&piinfo, 0, sizeof (piinfo));
512 parse_unmanaged_function_pointer_attr (klass, &piinfo);
514 mspecs = g_new0 (MonoMarshalSpec*, mono_method_signature (invoke)->param_count + 1);
515 mono_method_get_marshal_info (invoke, mspecs);
516 /* Freed below so don't alloc from mempool */
517 sig = mono_metadata_signature_dup (mono_method_signature (invoke));
520 wrapper = mono_marshal_get_native_func_wrapper (klass->image, sig, &piinfo, mspecs, ftn);
523 for (i = mono_method_signature (invoke)->param_count; i >= 0; i--)
525 mono_metadata_free_marshal_spec (mspecs [i]);
530 d = (MonoDelegate*)mono_object_new (mono_domain_get (), klass);
531 mono_delegate_ctor_with_method ((MonoObject*)d, this, mono_compile_method (wrapper), wrapper);
534 if (d->object.vtable->domain != mono_domain_get ())
535 mono_raise_exception (mono_get_exception_not_supported ("Delegates cannot be marshalled from native code into a domain other than their home domain"));
541 mono_delegate_free_ftnptr (MonoDelegate *delegate)
546 delegate_hash_table_remove (delegate);
548 ptr = (gpointer)InterlockedExchangePointer (&delegate->delegate_trampoline, NULL);
550 if (!delegate->target) {
551 /* The wrapper method is shared between delegates -> no need to free it */
560 ji = mono_jit_info_table_find (mono_domain_get (), mono_get_addr_from_ftnptr (ptr));
563 method = mono_jit_info_get_method (ji);
564 method_data = ((MonoMethodWrapper*)method)->method_data;
566 /*the target gchandle is the first entry after size and the wrapper itself.*/
567 gchandle = GPOINTER_TO_UINT (method_data [2]);
570 mono_gchandle_free (gchandle);
572 mono_runtime_free_method (mono_object_domain (delegate), method);
577 mono_string_from_byvalwstr (gunichar2 *data, int max_len)
579 MonoDomain *domain = mono_domain_get ();
585 while (data [len]) len++;
587 return mono_string_new_utf16 (domain, data, MIN (len, max_len));
591 mono_array_to_savearray (MonoArray *array)
596 g_assert_not_reached ();
601 mono_array_to_lparray (MonoArray *array)
604 gpointer *nativeArray = NULL;
605 int nativeArraySize = 0;
615 klass = array->obj.vtable->klass;
617 switch (klass->element_class->byval_arg.type) {
619 g_assert_not_reached ();
621 case MONO_TYPE_CLASS:
622 nativeArraySize = array->max_length;
623 nativeArray = malloc(sizeof(gpointer) * nativeArraySize);
624 for(i = 0; i < nativeArraySize; ++i)
625 nativeArray[i] = ves_icall_System_Runtime_InteropServices_Marshal_GetIUnknownForObjectInternal(((gpointer*)array->vector)[i]);
628 case MONO_TYPE_BOOLEAN:
641 case MONO_TYPE_VALUETYPE:
645 case MONO_TYPE_GENERICINST:
646 case MONO_TYPE_OBJECT:
647 case MONO_TYPE_ARRAY:
648 case MONO_TYPE_SZARRAY:
649 case MONO_TYPE_STRING:
651 g_warning ("type 0x%x not handled", klass->element_class->byval_arg.type);
652 g_assert_not_reached ();
655 return array->vector;
659 mono_free_lparray (MonoArray *array, gpointer* nativeArray)
670 klass = array->obj.vtable->klass;
672 switch (klass->element_class->byval_arg.type) {
673 case MONO_TYPE_CLASS:
674 for(i = 0; i < array->max_length; ++i)
675 mono_marshal_free_ccw(nativeArray[i]);
683 mono_byvalarray_to_array (MonoArray *arr, gpointer native_arr, MonoClass *elclass, guint32 elnum)
685 g_assert (arr->obj.vtable->klass->element_class == mono_defaults.char_class);
687 if (elclass == mono_defaults.byte_class) {
688 GError *error = NULL;
692 ut = g_utf8_to_utf16 (native_arr, elnum, NULL, &items_written, &error);
695 memcpy (mono_array_addr (arr, guint16, 0), ut, items_written * sizeof (guint16));
699 g_error_free (error);
702 g_assert_not_reached ();
706 mono_byvalarray_to_byte_array (MonoArray *arr, gpointer native_arr, guint32 elnum)
708 mono_byvalarray_to_array (arr, native_arr, mono_defaults.byte_class, elnum);
712 mono_array_to_byvalarray (gpointer native_arr, MonoArray *arr, MonoClass *elclass, guint32 elnum)
714 g_assert (arr->obj.vtable->klass->element_class == mono_defaults.char_class);
716 if (elclass == mono_defaults.byte_class) {
718 GError *error = NULL;
720 as = g_utf16_to_utf8 (mono_array_addr (arr, gunichar2, 0), mono_array_length (arr), NULL, NULL, &error);
722 MonoException *exc = mono_get_exception_argument ("string", error->message);
723 g_error_free (error);
724 mono_raise_exception (exc);
727 memcpy (native_arr, as, MIN (strlen (as), elnum));
730 g_assert_not_reached ();
735 mono_array_to_byte_byvalarray (gpointer native_arr, MonoArray *arr, guint32 elnum)
737 mono_array_to_byvalarray (native_arr, arr, mono_defaults.byte_class, elnum);
741 mono_string_utf8_to_builder (MonoStringBuilder *sb, char *text)
743 GError *error = NULL;
753 ut = g_utf8_to_utf16 (text, l, NULL, &items_written, &error);
755 if (items_written > mono_stringbuilder_capacity (sb))
756 items_written = mono_stringbuilder_capacity (sb);
759 if (! sb->str || sb->str == sb->cached_str)
760 MONO_OBJECT_SETREF (sb, str, mono_string_new_size (mono_domain_get (), items_written));
762 memcpy (mono_string_chars (sb->str), ut, items_written * 2);
763 sb->length = items_written;
764 sb->cached_str = NULL;
766 g_error_free (error);
772 mono_string_utf8_to_builder2 (char *text)
775 MonoStringBuilder *sb;
776 static MonoClass *string_builder_class;
777 static MonoMethod *sb_ctor;
784 if (!string_builder_class) {
785 MonoMethodDesc *desc;
787 string_builder_class = mono_class_from_name (mono_defaults.corlib, "System.Text", "StringBuilder");
788 g_assert (string_builder_class);
789 desc = mono_method_desc_new (":.ctor(int)", FALSE);
790 sb_ctor = mono_method_desc_search_in_class (desc, string_builder_class);
792 mono_method_desc_free (desc);
797 sb = (MonoStringBuilder*)mono_object_new (mono_domain_get (), string_builder_class);
800 mono_runtime_invoke (sb_ctor, sb, args, &exc);
803 mono_string_utf8_to_builder (sb, text);
809 * FIXME: This routine does not seem to do what it seems to do
810 * the @text is never copied into the string builder
813 mono_string_utf16_to_builder (MonoStringBuilder *sb, gunichar2 *text)
820 g_assert (mono_string_chars (sb->str) == text);
822 for (len = 0; text [len] != 0; ++len)
829 mono_string_utf16_to_builder2 (gunichar2 *text)
832 MonoStringBuilder *sb;
833 static MonoClass *string_builder_class;
834 static MonoMethod *sb_ctor;
841 if (!string_builder_class) {
842 MonoMethodDesc *desc;
844 string_builder_class = mono_class_from_name (mono_defaults.corlib, "System.Text", "StringBuilder");
845 g_assert (string_builder_class);
846 desc = mono_method_desc_new (":.ctor(int)", FALSE);
847 sb_ctor = mono_method_desc_search_in_class (desc, string_builder_class);
849 mono_method_desc_free (desc);
852 for (len = 0; text [len] != 0; ++len)
855 sb = (MonoStringBuilder*)mono_object_new (mono_domain_get (), string_builder_class);
858 mono_runtime_invoke (sb_ctor, sb, args, &exc);
862 memcpy (mono_string_chars (sb->str), text, len * 2);
868 * mono_string_builder_to_utf8:
869 * @sb: the string builder
871 * Converts to utf8 the contents of the MonoStringBuilder.
873 * Returns: a utf8 string with the contents of the StringBuilder.
875 * The return value must be released with g_free.
878 mono_string_builder_to_utf8 (MonoStringBuilder *sb)
880 GError *error = NULL;
881 gchar *tmp, *res = NULL;
886 if ((sb->str == sb->cached_str) && (sb->str->length == 0)) {
888 * The sb could have been allocated with the default capacity and be empty.
889 * we need to alloc a buffer of the default capacity in this case.
891 MONO_OBJECT_SETREF (sb, str, mono_string_new_size (mono_domain_get (), 16));
892 sb->cached_str = NULL;
895 tmp = g_utf16_to_utf8 (mono_string_chars (sb->str), sb->length, NULL, NULL, &error);
897 g_error_free (error);
898 mono_raise_exception (mono_get_exception_execution_engine ("Failed to convert StringBuilder from utf16 to utf8"));
900 res = mono_marshal_alloc (mono_stringbuilder_capacity (sb) + 1);
901 memcpy (res, tmp, sb->length + 1);
909 * mono_string_builder_to_utf16:
910 * @sb: the string builder
912 * Converts to utf16 the contents of the MonoStringBuilder.
914 * Returns: a utf16 string with the contents of the StringBuilder.
916 * The return value must not be freed.
919 mono_string_builder_to_utf16 (MonoStringBuilder *sb)
927 * The stringbuilder might not have ownership of this string. If this is
928 * the case, we must duplicate the string, so that we don't munge immutable
931 if (sb->str == sb->cached_str) {
933 * The sb could have been allocated with the default capacity and be empty.
934 * we need to alloc a buffer of the default capacity in this case.
936 if (sb->str->length == 0)
937 MONO_OBJECT_SETREF (sb, str, mono_string_new_size (mono_domain_get (), 16));
939 MONO_OBJECT_SETREF (sb, str, mono_string_new_utf16 (mono_domain_get (), mono_string_chars (sb->str), mono_stringbuilder_capacity (sb)));
940 sb->cached_str = NULL;
944 *(mono_string_chars (sb->str)) = '\0';
946 return mono_string_chars (sb->str);
950 mono_string_to_lpstr (MonoString *s)
955 GError *error = NULL;
961 as = CoTaskMemAlloc (1);
966 tmp = g_utf16_to_utf8 (mono_string_chars (s), s->length, NULL, &len, &error);
968 MonoException *exc = mono_get_exception_argument ("string", error->message);
969 g_error_free (error);
970 mono_raise_exception(exc);
973 as = CoTaskMemAlloc (len + 1);
974 memcpy (as, tmp, len + 1);
979 return mono_string_to_utf8 (s);
984 mono_string_to_ansibstr (MonoString *string_obj)
986 g_error ("UnmanagedMarshal.BStr is not implemented.");
991 * mono_string_to_byvalstr:
992 * @dst: Where to store the null-terminated utf8 decoded string.
993 * @src: the MonoString to copy.
994 * @size: the maximum number of bytes to copy.
996 * Copies the MonoString pointed to by @src as a utf8 string
997 * into @dst, it copies at most @size bytes into the destination.
1000 mono_string_to_byvalstr (gpointer dst, MonoString *src, int size)
1005 g_assert (dst != NULL);
1006 g_assert (size > 0);
1008 memset (dst, 0, size);
1012 s = mono_string_to_utf8 (src);
1013 len = MIN (size, strlen (s));
1016 memcpy (dst, s, len);
1021 * mono_string_to_byvalwstr:
1022 * @dst: Where to store the null-terminated utf16 decoded string.
1023 * @src: the MonoString to copy.
1024 * @size: the maximum number of bytes to copy.
1026 * Copies the MonoString pointed to by @src as a utf16 string into
1027 * @dst, it copies at most @size bytes into the destination (including
1028 * a terminating 16-bit zero terminator).
1031 mono_string_to_byvalwstr (gpointer dst, MonoString *src, int size)
1035 g_assert (dst != NULL);
1036 g_assert (size > 1);
1039 memset (dst, 0, size * 2);
1043 len = MIN (size, (mono_string_length (src)));
1044 memcpy (dst, mono_string_chars (src), size * 2);
1045 if (size <= mono_string_length (src))
1047 *((gunichar2 *) dst + len) = 0;
1051 mono_string_new_len_wrapper (const char *text, guint length)
1053 return mono_string_new_len (mono_domain_get (), text, length);
1057 #ifndef DISABLE_REMOTING
1059 mono_mb_emit_proxy_check (MonoMethodBuilder *mb, int branch_code)
1062 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
1063 mono_mb_emit_byte (mb, CEE_LDIND_I);
1064 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoVTable, klass));
1065 mono_mb_emit_byte (mb, CEE_ADD);
1066 mono_mb_emit_byte (mb, CEE_LDIND_I);
1067 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1068 mono_mb_emit_byte (mb, CEE_MONO_CLASSCONST);
1069 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_defaults.transparent_proxy_class));
1070 pos = mono_mb_emit_branch (mb, branch_code);
1075 mono_mb_emit_xdomain_check (MonoMethodBuilder *mb, int branch_code)
1078 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
1079 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1080 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoRealProxy, target_domain_id));
1081 mono_mb_emit_byte (mb, CEE_LDIND_I4);
1082 mono_mb_emit_icon (mb, -1);
1083 pos = mono_mb_emit_branch (mb, branch_code);
1088 mono_mb_emit_contextbound_check (MonoMethodBuilder *mb, int branch_code)
1090 static int offset = -1;
1094 mono_marshal_find_bitfield_offset (MonoClass, contextbound, &offset, &mask);
1096 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, remote_class));
1097 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1098 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoRemoteClass, proxy_class));
1099 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1100 mono_mb_emit_ldflda (mb, offset);
1101 mono_mb_emit_byte (mb, CEE_LDIND_U1);
1102 mono_mb_emit_icon (mb, mask);
1103 mono_mb_emit_byte (mb, CEE_AND);
1104 mono_mb_emit_icon (mb, 0);
1105 return mono_mb_emit_branch (mb, branch_code);
1107 #endif /* DISABLE_REMOTING */
1110 * mono_mb_emit_exception_marshal_directive:
1112 * This function assumes ownership of MSG, which should be malloc-ed.
1115 mono_mb_emit_exception_marshal_directive (MonoMethodBuilder *mb, char *msg)
1120 s = mono_image_strdup (mb->method->klass->image, msg);
1125 mono_mb_emit_exception_full (mb, "System.Runtime.InteropServices", "MarshalDirectiveException", s);
1128 #endif /* !DISABLE_JIT */
1131 mono_type_to_ldind (MonoType *type)
1137 switch (type->type) {
1139 return CEE_LDIND_I1;
1141 case MONO_TYPE_BOOLEAN:
1142 return CEE_LDIND_U1;
1144 return CEE_LDIND_I2;
1146 case MONO_TYPE_CHAR:
1147 return CEE_LDIND_U2;
1149 return CEE_LDIND_I4;
1151 return CEE_LDIND_U4;
1155 case MONO_TYPE_FNPTR:
1157 case MONO_TYPE_CLASS:
1158 case MONO_TYPE_STRING:
1159 case MONO_TYPE_OBJECT:
1160 case MONO_TYPE_SZARRAY:
1161 case MONO_TYPE_ARRAY:
1162 return CEE_LDIND_REF;
1165 return CEE_LDIND_I8;
1167 return CEE_LDIND_R4;
1169 return CEE_LDIND_R8;
1170 case MONO_TYPE_VALUETYPE:
1171 if (type->data.klass->enumtype) {
1172 type = mono_class_enum_basetype (type->data.klass);
1176 case MONO_TYPE_TYPEDBYREF:
1178 case MONO_TYPE_GENERICINST:
1179 type = &type->data.generic_class->container_class->byval_arg;
1182 g_error ("unknown type 0x%02x in type_to_ldind", type->type);
1188 mono_type_to_stind (MonoType *type)
1194 switch (type->type) {
1197 case MONO_TYPE_BOOLEAN:
1198 return CEE_STIND_I1;
1201 case MONO_TYPE_CHAR:
1202 return CEE_STIND_I2;
1205 return CEE_STIND_I4;
1209 case MONO_TYPE_FNPTR:
1211 case MONO_TYPE_CLASS:
1212 case MONO_TYPE_STRING:
1213 case MONO_TYPE_OBJECT:
1214 case MONO_TYPE_SZARRAY:
1215 case MONO_TYPE_ARRAY:
1216 return CEE_STIND_REF;
1219 return CEE_STIND_I8;
1221 return CEE_STIND_R4;
1223 return CEE_STIND_R8;
1224 case MONO_TYPE_VALUETYPE:
1225 if (type->data.klass->enumtype) {
1226 type = mono_class_enum_basetype (type->data.klass);
1230 case MONO_TYPE_TYPEDBYREF:
1232 case MONO_TYPE_GENERICINST:
1233 type = &type->data.generic_class->container_class->byval_arg;
1236 g_error ("unknown type 0x%02x in type_to_stind", type->type);
1244 emit_ptr_to_object_conv (MonoMethodBuilder *mb, MonoType *type, MonoMarshalConv conv, MonoMarshalSpec *mspec)
1247 case MONO_MARSHAL_CONV_BOOL_I4:
1248 mono_mb_emit_ldloc (mb, 1);
1249 mono_mb_emit_ldloc (mb, 0);
1250 mono_mb_emit_byte (mb, CEE_LDIND_I4);
1251 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
1252 mono_mb_emit_byte (mb, 3);
1253 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
1254 mono_mb_emit_byte (mb, CEE_BR_S);
1255 mono_mb_emit_byte (mb, 1);
1256 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
1257 mono_mb_emit_byte (mb, CEE_STIND_I1);
1259 case MONO_MARSHAL_CONV_BOOL_VARIANTBOOL:
1260 mono_mb_emit_ldloc (mb, 1);
1261 mono_mb_emit_ldloc (mb, 0);
1262 mono_mb_emit_byte (mb, CEE_LDIND_I2);
1263 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
1264 mono_mb_emit_byte (mb, 3);
1265 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
1266 mono_mb_emit_byte (mb, CEE_BR_S);
1267 mono_mb_emit_byte (mb, 1);
1268 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
1269 mono_mb_emit_byte (mb, CEE_STIND_I1);
1271 case MONO_MARSHAL_CONV_ARRAY_BYVALARRAY: {
1272 MonoClass *eklass = NULL;
1275 if (type->type == MONO_TYPE_SZARRAY) {
1276 eklass = type->data.klass;
1278 g_assert_not_reached ();
1281 esize = mono_class_native_size (eklass, NULL);
1283 /* create a new array */
1284 mono_mb_emit_ldloc (mb, 1);
1285 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1286 mono_mb_emit_op (mb, CEE_NEWARR, eklass);
1287 mono_mb_emit_byte (mb, CEE_STIND_I);
1289 if (eklass->blittable) {
1290 /* copy the elements */
1291 mono_mb_emit_ldloc (mb, 1);
1292 mono_mb_emit_byte (mb, CEE_LDIND_I);
1293 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArray, vector));
1294 mono_mb_emit_byte (mb, CEE_ADD);
1295 mono_mb_emit_ldloc (mb, 0);
1296 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem * esize);
1297 mono_mb_emit_byte (mb, CEE_PREFIX1);
1298 mono_mb_emit_byte (mb, CEE_CPBLK);
1301 int array_var, src_var, dst_var, index_var;
1302 guint32 label2, label3;
1304 array_var = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
1305 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1306 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1309 mono_mb_emit_ldloc (mb, 1);
1310 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1311 mono_mb_emit_stloc (mb, array_var);
1313 /* save the old src pointer */
1314 mono_mb_emit_ldloc (mb, 0);
1315 mono_mb_emit_stloc (mb, src_var);
1316 /* save the old dst pointer */
1317 mono_mb_emit_ldloc (mb, 1);
1318 mono_mb_emit_stloc (mb, dst_var);
1320 /* Emit marshalling loop */
1321 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1322 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
1323 mono_mb_emit_stloc (mb, index_var);
1326 label2 = mono_mb_get_label (mb);
1327 mono_mb_emit_ldloc (mb, index_var);
1328 mono_mb_emit_ldloc (mb, array_var);
1329 mono_mb_emit_byte (mb, CEE_LDLEN);
1330 label3 = mono_mb_emit_branch (mb, CEE_BGE);
1332 /* src is already set */
1335 mono_mb_emit_ldloc (mb, array_var);
1336 mono_mb_emit_ldloc (mb, index_var);
1337 mono_mb_emit_op (mb, CEE_LDELEMA, eklass);
1338 mono_mb_emit_stloc (mb, 1);
1340 /* Do the conversion */
1341 emit_struct_conv (mb, eklass, TRUE);
1344 mono_mb_emit_add_to_local (mb, index_var, 1);
1346 mono_mb_emit_branch_label (mb, CEE_BR, label2);
1348 mono_mb_patch_branch (mb, label3);
1350 /* restore the old src pointer */
1351 mono_mb_emit_ldloc (mb, src_var);
1352 mono_mb_emit_stloc (mb, 0);
1353 /* restore the old dst pointer */
1354 mono_mb_emit_ldloc (mb, dst_var);
1355 mono_mb_emit_stloc (mb, 1);
1359 case MONO_MARSHAL_CONV_ARRAY_BYVALCHARARRAY: {
1360 MonoClass *eclass = mono_defaults.char_class;
1362 /* create a new array */
1363 mono_mb_emit_ldloc (mb, 1);
1364 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1365 mono_mb_emit_op (mb, CEE_NEWARR, eclass);
1366 mono_mb_emit_byte (mb, CEE_STIND_REF);
1368 mono_mb_emit_ldloc (mb, 1);
1369 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1370 mono_mb_emit_ldloc (mb, 0);
1371 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1372 mono_mb_emit_icall (mb, mono_byvalarray_to_byte_array);
1375 case MONO_MARSHAL_CONV_STR_BYVALSTR:
1376 mono_mb_emit_ldloc (mb, 1);
1377 mono_mb_emit_ldloc (mb, 0);
1378 mono_mb_emit_icall (mb, mono_string_new_wrapper);
1379 mono_mb_emit_byte (mb, CEE_STIND_REF);
1381 case MONO_MARSHAL_CONV_STR_BYVALWSTR:
1382 if (mspec && mspec->native == MONO_NATIVE_BYVALTSTR && mspec->data.array_data.num_elem) {
1383 mono_mb_emit_ldloc (mb, 1);
1384 mono_mb_emit_ldloc (mb, 0);
1385 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1386 mono_mb_emit_icall (mb, mono_string_from_byvalwstr);
1388 mono_mb_emit_ldloc (mb, 1);
1389 mono_mb_emit_ldloc (mb, 0);
1390 mono_mb_emit_icall (mb, mono_string_from_utf16);
1392 mono_mb_emit_byte (mb, CEE_STIND_REF);
1394 case MONO_MARSHAL_CONV_STR_LPTSTR:
1395 mono_mb_emit_ldloc (mb, 1);
1396 mono_mb_emit_ldloc (mb, 0);
1397 mono_mb_emit_byte (mb, CEE_LDIND_I);
1399 mono_mb_emit_icall (mb, mono_string_from_utf16);
1401 mono_mb_emit_icall (mb, mono_string_new_wrapper);
1403 mono_mb_emit_byte (mb, CEE_STIND_REF);
1405 case MONO_MARSHAL_CONV_STR_LPSTR:
1406 mono_mb_emit_ldloc (mb, 1);
1407 mono_mb_emit_ldloc (mb, 0);
1408 mono_mb_emit_byte (mb, CEE_LDIND_I);
1409 mono_mb_emit_icall (mb, mono_string_new_wrapper);
1410 mono_mb_emit_byte (mb, CEE_STIND_REF);
1412 case MONO_MARSHAL_CONV_STR_LPWSTR:
1413 mono_mb_emit_ldloc (mb, 1);
1414 mono_mb_emit_ldloc (mb, 0);
1415 mono_mb_emit_byte (mb, CEE_LDIND_I);
1416 mono_mb_emit_icall (mb, mono_string_from_utf16);
1417 mono_mb_emit_byte (mb, CEE_STIND_REF);
1419 case MONO_MARSHAL_CONV_OBJECT_STRUCT: {
1420 MonoClass *klass = mono_class_from_mono_type (type);
1421 int src_var, dst_var;
1423 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1424 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1426 /* *dst = new object */
1427 mono_mb_emit_ldloc (mb, 1);
1428 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1429 mono_mb_emit_op (mb, CEE_MONO_NEWOBJ, klass);
1430 mono_mb_emit_byte (mb, CEE_STIND_REF);
1432 /* save the old src pointer */
1433 mono_mb_emit_ldloc (mb, 0);
1434 mono_mb_emit_stloc (mb, src_var);
1435 /* save the old dst pointer */
1436 mono_mb_emit_ldloc (mb, 1);
1437 mono_mb_emit_stloc (mb, dst_var);
1439 /* dst = pointer to newly created object data */
1440 mono_mb_emit_ldloc (mb, 1);
1441 mono_mb_emit_byte (mb, CEE_LDIND_I);
1442 mono_mb_emit_icon (mb, sizeof (MonoObject));
1443 mono_mb_emit_byte (mb, CEE_ADD);
1444 mono_mb_emit_stloc (mb, 1);
1446 emit_struct_conv (mb, klass, TRUE);
1448 /* restore the old src pointer */
1449 mono_mb_emit_ldloc (mb, src_var);
1450 mono_mb_emit_stloc (mb, 0);
1451 /* restore the old dst pointer */
1452 mono_mb_emit_ldloc (mb, dst_var);
1453 mono_mb_emit_stloc (mb, 1);
1456 case MONO_MARSHAL_CONV_DEL_FTN: {
1457 MonoClass *klass = mono_class_from_mono_type (type);
1459 mono_mb_emit_ldloc (mb, 1);
1460 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1461 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
1462 mono_mb_emit_ldloc (mb, 0);
1463 mono_mb_emit_byte (mb, CEE_LDIND_I);
1464 mono_mb_emit_icall (mb, mono_ftnptr_to_delegate);
1465 mono_mb_emit_byte (mb, CEE_STIND_REF);
1468 case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
1469 g_error ("Structure field of type %s can't be marshalled as LPArray", mono_class_from_mono_type (type)->name);
1473 case MONO_MARSHAL_CONV_OBJECT_INTERFACE:
1474 case MONO_MARSHAL_CONV_OBJECT_IUNKNOWN:
1475 case MONO_MARSHAL_CONV_OBJECT_IDISPATCH:
1476 mono_cominterop_emit_ptr_to_object_conv (mb, type, conv, mspec);
1478 #endif /* DISABLE_COM */
1480 case MONO_MARSHAL_CONV_SAFEHANDLE: {
1482 * Passing SafeHandles as ref does not allow the unmanaged code
1483 * to change the SafeHandle value. If the value is changed,
1484 * we should issue a diagnostic exception (NotSupportedException)
1485 * that informs the user that changes to handles in unmanaged code
1488 * Since we currently have no access to the original
1489 * SafeHandle that was used during the marshalling,
1490 * for now we just ignore this, and ignore/discard any
1491 * changes that might have happened to the handle.
1496 case MONO_MARSHAL_CONV_HANDLEREF: {
1498 * Passing HandleRefs in a struct that is ref()ed does not
1499 * copy the values back to the HandleRef
1504 case MONO_MARSHAL_CONV_STR_BSTR:
1505 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
1506 case MONO_MARSHAL_CONV_STR_TBSTR:
1507 case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
1509 char *msg = g_strdup_printf ("marshaling conversion %d not implemented", conv);
1511 mono_mb_emit_exception_marshal_directive (mb, msg);
1518 conv_to_icall (MonoMarshalConv conv)
1521 case MONO_MARSHAL_CONV_STR_LPWSTR:
1522 return mono_marshal_string_to_utf16;
1523 case MONO_MARSHAL_CONV_LPWSTR_STR:
1524 return mono_string_from_utf16;
1525 case MONO_MARSHAL_CONV_LPTSTR_STR:
1526 return mono_string_new_wrapper;
1527 case MONO_MARSHAL_CONV_LPSTR_STR:
1528 return mono_string_new_wrapper;
1529 case MONO_MARSHAL_CONV_STR_LPTSTR:
1531 return mono_marshal_string_to_utf16;
1533 return mono_string_to_lpstr;
1535 case MONO_MARSHAL_CONV_STR_LPSTR:
1536 return mono_string_to_lpstr;
1537 case MONO_MARSHAL_CONV_STR_BSTR:
1538 return mono_string_to_bstr;
1539 case MONO_MARSHAL_CONV_BSTR_STR:
1540 return mono_string_from_bstr;
1541 case MONO_MARSHAL_CONV_STR_TBSTR:
1542 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
1543 return mono_string_to_ansibstr;
1544 case MONO_MARSHAL_CONV_SB_LPSTR:
1545 return mono_string_builder_to_utf8;
1546 case MONO_MARSHAL_CONV_SB_LPTSTR:
1548 return mono_string_builder_to_utf16;
1550 return mono_string_builder_to_utf8;
1552 case MONO_MARSHAL_CONV_SB_LPWSTR:
1553 return mono_string_builder_to_utf16;
1554 case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
1555 return mono_array_to_savearray;
1556 case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
1557 return mono_array_to_lparray;
1558 case MONO_MARSHAL_FREE_LPARRAY:
1559 return mono_free_lparray;
1560 case MONO_MARSHAL_CONV_DEL_FTN:
1561 return mono_delegate_to_ftnptr;
1562 case MONO_MARSHAL_CONV_FTN_DEL:
1563 return mono_ftnptr_to_delegate;
1564 case MONO_MARSHAL_CONV_LPSTR_SB:
1565 return mono_string_utf8_to_builder;
1566 case MONO_MARSHAL_CONV_LPTSTR_SB:
1568 return mono_string_utf16_to_builder;
1570 return mono_string_utf8_to_builder;
1572 case MONO_MARSHAL_CONV_LPWSTR_SB:
1573 return mono_string_utf16_to_builder;
1574 case MONO_MARSHAL_FREE_ARRAY:
1575 return mono_marshal_free_array;
1576 case MONO_MARSHAL_CONV_STR_BYVALSTR:
1577 return mono_string_to_byvalstr;
1578 case MONO_MARSHAL_CONV_STR_BYVALWSTR:
1579 return mono_string_to_byvalwstr;
1581 g_assert_not_reached ();
1588 emit_object_to_ptr_conv (MonoMethodBuilder *mb, MonoType *type, MonoMarshalConv conv, MonoMarshalSpec *mspec)
1593 case MONO_MARSHAL_CONV_BOOL_I4:
1594 mono_mb_emit_ldloc (mb, 1);
1595 mono_mb_emit_ldloc (mb, 0);
1596 mono_mb_emit_byte (mb, CEE_LDIND_U1);
1597 mono_mb_emit_byte (mb, CEE_STIND_I4);
1599 case MONO_MARSHAL_CONV_BOOL_VARIANTBOOL:
1600 mono_mb_emit_ldloc (mb, 1);
1601 mono_mb_emit_ldloc (mb, 0);
1602 mono_mb_emit_byte (mb, CEE_LDIND_U1);
1603 mono_mb_emit_byte (mb, CEE_NEG);
1604 mono_mb_emit_byte (mb, CEE_STIND_I2);
1606 case MONO_MARSHAL_CONV_STR_LPWSTR:
1607 case MONO_MARSHAL_CONV_STR_LPSTR:
1608 case MONO_MARSHAL_CONV_STR_LPTSTR:
1609 case MONO_MARSHAL_CONV_STR_BSTR:
1610 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
1611 case MONO_MARSHAL_CONV_STR_TBSTR: {
1614 /* free space if free == true */
1615 mono_mb_emit_ldloc (mb, 2);
1616 pos = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
1617 mono_mb_emit_ldloc (mb, 1);
1618 mono_mb_emit_byte (mb, CEE_LDIND_I);
1619 mono_mb_emit_icall (mb, g_free);
1620 mono_mb_patch_short_branch (mb, pos);
1622 mono_mb_emit_ldloc (mb, 1);
1623 mono_mb_emit_ldloc (mb, 0);
1624 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1625 mono_mb_emit_icall (mb, conv_to_icall (conv));
1626 mono_mb_emit_byte (mb, CEE_STIND_I);
1629 case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
1630 case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
1631 case MONO_MARSHAL_CONV_DEL_FTN:
1632 mono_mb_emit_ldloc (mb, 1);
1633 mono_mb_emit_ldloc (mb, 0);
1634 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1635 mono_mb_emit_icall (mb, conv_to_icall (conv));
1636 mono_mb_emit_byte (mb, CEE_STIND_I);
1638 case MONO_MARSHAL_CONV_STR_BYVALSTR:
1639 case MONO_MARSHAL_CONV_STR_BYVALWSTR: {
1642 mono_mb_emit_ldloc (mb, 1); /* dst */
1643 mono_mb_emit_ldloc (mb, 0);
1644 mono_mb_emit_byte (mb, CEE_LDIND_REF); /* src String */
1645 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1646 mono_mb_emit_icall (mb, conv_to_icall (conv));
1649 case MONO_MARSHAL_CONV_ARRAY_BYVALARRAY: {
1650 MonoClass *eklass = NULL;
1653 if (type->type == MONO_TYPE_SZARRAY) {
1654 eklass = type->data.klass;
1656 g_assert_not_reached ();
1659 if (eklass->valuetype)
1660 esize = mono_class_native_size (eklass, NULL);
1662 esize = sizeof (gpointer);
1664 mono_mb_emit_ldloc (mb, 0);
1665 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1666 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
1668 if (eklass->blittable) {
1669 mono_mb_emit_ldloc (mb, 1);
1670 mono_mb_emit_ldloc (mb, 0);
1671 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1672 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoArray, vector));
1673 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem * esize);
1674 mono_mb_emit_byte (mb, CEE_PREFIX1);
1675 mono_mb_emit_byte (mb, CEE_CPBLK);
1677 int array_var, src_var, dst_var, index_var;
1678 guint32 label2, label3;
1680 array_var = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
1681 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1682 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1685 mono_mb_emit_ldloc (mb, 0);
1686 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1687 mono_mb_emit_stloc (mb, array_var);
1689 /* save the old src pointer */
1690 mono_mb_emit_ldloc (mb, 0);
1691 mono_mb_emit_stloc (mb, src_var);
1692 /* save the old dst pointer */
1693 mono_mb_emit_ldloc (mb, 1);
1694 mono_mb_emit_stloc (mb, dst_var);
1696 /* Emit marshalling loop */
1697 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1698 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
1699 mono_mb_emit_stloc (mb, index_var);
1702 label2 = mono_mb_get_label (mb);
1703 mono_mb_emit_ldloc (mb, index_var);
1704 mono_mb_emit_ldloc (mb, array_var);
1705 mono_mb_emit_byte (mb, CEE_LDLEN);
1706 label3 = mono_mb_emit_branch (mb, CEE_BGE);
1709 mono_mb_emit_ldloc (mb, array_var);
1710 mono_mb_emit_ldloc (mb, index_var);
1711 mono_mb_emit_op (mb, CEE_LDELEMA, eklass);
1712 mono_mb_emit_stloc (mb, 0);
1714 /* dst is already set */
1716 /* Do the conversion */
1717 emit_struct_conv (mb, eklass, FALSE);
1720 mono_mb_emit_add_to_local (mb, index_var, 1);
1722 mono_mb_emit_branch_label (mb, CEE_BR, label2);
1724 mono_mb_patch_branch (mb, label3);
1726 /* restore the old src pointer */
1727 mono_mb_emit_ldloc (mb, src_var);
1728 mono_mb_emit_stloc (mb, 0);
1729 /* restore the old dst pointer */
1730 mono_mb_emit_ldloc (mb, dst_var);
1731 mono_mb_emit_stloc (mb, 1);
1734 mono_mb_patch_branch (mb, pos);
1737 case MONO_MARSHAL_CONV_ARRAY_BYVALCHARARRAY: {
1738 mono_mb_emit_ldloc (mb, 0);
1739 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1740 pos = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
1742 mono_mb_emit_ldloc (mb, 1);
1743 mono_mb_emit_ldloc (mb, 0);
1744 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1745 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1746 mono_mb_emit_icall (mb, mono_array_to_byte_byvalarray);
1747 mono_mb_patch_short_branch (mb, pos);
1750 case MONO_MARSHAL_CONV_OBJECT_STRUCT: {
1751 int src_var, dst_var;
1753 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1754 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1756 mono_mb_emit_ldloc (mb, 0);
1757 mono_mb_emit_byte (mb, CEE_LDIND_I);
1758 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
1760 /* save the old src pointer */
1761 mono_mb_emit_ldloc (mb, 0);
1762 mono_mb_emit_stloc (mb, src_var);
1763 /* save the old dst pointer */
1764 mono_mb_emit_ldloc (mb, 1);
1765 mono_mb_emit_stloc (mb, dst_var);
1767 /* src = pointer to object data */
1768 mono_mb_emit_ldloc (mb, 0);
1769 mono_mb_emit_byte (mb, CEE_LDIND_I);
1770 mono_mb_emit_icon (mb, sizeof (MonoObject));
1771 mono_mb_emit_byte (mb, CEE_ADD);
1772 mono_mb_emit_stloc (mb, 0);
1774 emit_struct_conv (mb, mono_class_from_mono_type (type), FALSE);
1776 /* restore the old src pointer */
1777 mono_mb_emit_ldloc (mb, src_var);
1778 mono_mb_emit_stloc (mb, 0);
1779 /* restore the old dst pointer */
1780 mono_mb_emit_ldloc (mb, dst_var);
1781 mono_mb_emit_stloc (mb, 1);
1783 mono_mb_patch_branch (mb, pos);
1788 case MONO_MARSHAL_CONV_OBJECT_INTERFACE:
1789 case MONO_MARSHAL_CONV_OBJECT_IDISPATCH:
1790 case MONO_MARSHAL_CONV_OBJECT_IUNKNOWN:
1791 mono_cominterop_emit_object_to_ptr_conv (mb, type, conv, mspec);
1793 #endif /* DISABLE_COM */
1795 case MONO_MARSHAL_CONV_SAFEHANDLE: {
1796 int dar_release_slot, pos;
1798 dar_release_slot = mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
1801 * The following is ifdefed-out, because I have no way of doing the
1802 * DangerousRelease when destroying the structure
1805 /* set release = false */
1806 mono_mb_emit_icon (mb, 0);
1807 mono_mb_emit_stloc (mb, dar_release_slot);
1808 if (!sh_dangerous_add_ref)
1809 init_safe_handle ();
1811 /* safehandle.DangerousAddRef (ref release) */
1812 mono_mb_emit_ldloc (mb, 0); /* the source */
1813 mono_mb_emit_byte (mb, CEE_LDIND_I);
1814 mono_mb_emit_ldloc_addr (mb, dar_release_slot);
1815 mono_mb_emit_managed_call (mb, sh_dangerous_add_ref, NULL);
1817 mono_mb_emit_ldloc (mb, 0);
1818 mono_mb_emit_byte (mb, CEE_LDIND_I);
1819 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
1820 mono_mb_emit_exception (mb, "ArgumentNullException", NULL);
1821 mono_mb_patch_branch (mb, pos);
1823 /* Pull the handle field from SafeHandle */
1824 mono_mb_emit_ldloc (mb, 1);
1825 mono_mb_emit_ldloc (mb, 0);
1826 mono_mb_emit_byte (mb, CEE_LDIND_I);
1827 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoSafeHandle, handle));
1828 mono_mb_emit_byte (mb, CEE_LDIND_I);
1829 mono_mb_emit_byte (mb, CEE_STIND_I);
1833 case MONO_MARSHAL_CONV_HANDLEREF: {
1834 mono_mb_emit_ldloc (mb, 1);
1835 mono_mb_emit_ldloc (mb, 0);
1836 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoHandleRef, handle));
1837 mono_mb_emit_byte (mb, CEE_ADD);
1838 mono_mb_emit_byte (mb, CEE_LDIND_I);
1839 mono_mb_emit_byte (mb, CEE_STIND_I);
1844 char *msg = g_strdup_printf ("marshalling conversion %d not implemented", conv);
1845 MonoException *exc = mono_get_exception_not_implemented (msg);
1846 g_warning ("%s", msg);
1848 mono_raise_exception (exc);
1854 emit_struct_conv_full (MonoMethodBuilder *mb, MonoClass *klass, gboolean to_object,
1855 MonoMarshalNative string_encoding)
1857 MonoMarshalType *info;
1861 emit_struct_conv(mb, klass->parent, to_object);
1863 info = mono_marshal_load_type_info (klass);
1865 if (info->native_size == 0)
1868 if (klass->blittable) {
1869 int msize = mono_class_value_size (klass, NULL);
1870 g_assert (msize == info->native_size);
1871 mono_mb_emit_ldloc (mb, 1);
1872 mono_mb_emit_ldloc (mb, 0);
1873 mono_mb_emit_icon (mb, msize);
1874 mono_mb_emit_byte (mb, CEE_PREFIX1);
1875 mono_mb_emit_byte (mb, CEE_CPBLK);
1877 mono_mb_emit_add_to_local (mb, 0, msize);
1878 mono_mb_emit_add_to_local (mb, 1, msize);
1882 if (klass != mono_defaults.safehandle_class) {
1883 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
1884 char *msg = g_strdup_printf ("Type %s which is passed to unmanaged code must have a StructLayout attribute.",
1885 mono_type_full_name (&klass->byval_arg));
1886 mono_mb_emit_exception_marshal_directive (mb, msg);
1891 for (i = 0; i < info->num_fields; i++) {
1892 MonoMarshalNative ntype;
1893 MonoMarshalConv conv;
1894 MonoType *ftype = info->fields [i].field->type;
1897 gboolean last_field = i < (info->num_fields -1) ? 0 : 1;
1899 if (ftype->attrs & FIELD_ATTRIBUTE_STATIC)
1902 ntype = mono_type_to_unmanaged (ftype, info->fields [i].mspec, TRUE, klass->unicode, &conv);
1905 msize = klass->instance_size - info->fields [i].field->offset;
1906 usize = info->native_size - info->fields [i].offset;
1908 msize = info->fields [i + 1].field->offset - info->fields [i].field->offset;
1909 usize = info->fields [i + 1].offset - info->fields [i].offset;
1912 if (klass != mono_defaults.safehandle_class){
1914 * FIXME: Should really check for usize==0 and msize>0, but we apply
1915 * the layout to the managed structure as well.
1918 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) && (usize == 0)) {
1919 if (MONO_TYPE_IS_REFERENCE (info->fields [i].field->type) ||
1920 ((!last_field && MONO_TYPE_IS_REFERENCE (info->fields [i + 1].field->type))))
1921 g_error ("Type %s which has an [ExplicitLayout] attribute cannot have a "
1922 "reference field at the same offset as another field.",
1923 mono_type_full_name (&klass->byval_arg));
1928 case MONO_MARSHAL_CONV_NONE: {
1931 if (ftype->byref || ftype->type == MONO_TYPE_I ||
1932 ftype->type == MONO_TYPE_U) {
1933 mono_mb_emit_ldloc (mb, 1);
1934 mono_mb_emit_ldloc (mb, 0);
1935 mono_mb_emit_byte (mb, CEE_LDIND_I);
1936 mono_mb_emit_byte (mb, CEE_STIND_I);
1947 case MONO_TYPE_BOOLEAN:
1950 case MONO_TYPE_CHAR:
1956 mono_mb_emit_ldloc (mb, 1);
1957 mono_mb_emit_ldloc (mb, 0);
1958 if (t == MONO_TYPE_CHAR && ntype == MONO_NATIVE_U1 && string_encoding != MONO_NATIVE_LPWSTR) {
1960 mono_mb_emit_byte (mb, CEE_LDIND_U1);
1961 mono_mb_emit_byte (mb, CEE_STIND_I2);
1963 mono_mb_emit_byte (mb, CEE_LDIND_U2);
1964 mono_mb_emit_byte (mb, CEE_STIND_I1);
1967 mono_mb_emit_byte (mb, mono_type_to_ldind (ftype));
1968 mono_mb_emit_byte (mb, mono_type_to_stind (ftype));
1971 case MONO_TYPE_VALUETYPE: {
1972 int src_var, dst_var;
1974 if (ftype->data.klass->enumtype) {
1975 ftype = mono_class_enum_basetype (ftype->data.klass);
1979 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1980 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1982 /* save the old src pointer */
1983 mono_mb_emit_ldloc (mb, 0);
1984 mono_mb_emit_stloc (mb, src_var);
1985 /* save the old dst pointer */
1986 mono_mb_emit_ldloc (mb, 1);
1987 mono_mb_emit_stloc (mb, dst_var);
1989 emit_struct_conv (mb, ftype->data.klass, to_object);
1991 /* restore the old src pointer */
1992 mono_mb_emit_ldloc (mb, src_var);
1993 mono_mb_emit_stloc (mb, 0);
1994 /* restore the old dst pointer */
1995 mono_mb_emit_ldloc (mb, dst_var);
1996 mono_mb_emit_stloc (mb, 1);
1999 case MONO_TYPE_OBJECT: {
2002 static MonoMethod *variant_clear = NULL;
2003 static MonoMethod *get_object_for_native_variant = NULL;
2006 variant_clear = mono_class_get_method_from_name (mono_class_get_variant_class (), "Clear", 0);
2007 if (!get_object_for_native_variant)
2008 get_object_for_native_variant = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetObjectForNativeVariant", 1);
2009 mono_mb_emit_ldloc (mb, 1);
2010 mono_mb_emit_ldloc (mb, 0);
2011 mono_mb_emit_managed_call (mb, get_object_for_native_variant, NULL);
2012 mono_mb_emit_byte (mb, CEE_STIND_REF);
2014 mono_mb_emit_ldloc (mb, 0);
2015 mono_mb_emit_managed_call (mb, variant_clear, NULL);
2018 static MonoMethod *get_native_variant_for_object = NULL;
2020 if (!get_native_variant_for_object)
2021 get_native_variant_for_object = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetNativeVariantForObject", 2);
2023 mono_mb_emit_ldloc (mb, 0);
2024 mono_mb_emit_byte(mb, CEE_LDIND_REF);
2025 mono_mb_emit_ldloc (mb, 1);
2026 mono_mb_emit_managed_call (mb, get_native_variant_for_object, NULL);
2029 char *msg = g_strdup_printf ("COM support was disabled at compilation time.");
2030 mono_mb_emit_exception_marshal_directive (mb, msg);
2036 g_warning ("marshaling type %02x not implemented", ftype->type);
2037 g_assert_not_reached ();
2042 int src_var, dst_var;
2044 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2045 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2047 /* save the old src pointer */
2048 mono_mb_emit_ldloc (mb, 0);
2049 mono_mb_emit_stloc (mb, src_var);
2050 /* save the old dst pointer */
2051 mono_mb_emit_ldloc (mb, 1);
2052 mono_mb_emit_stloc (mb, dst_var);
2055 emit_ptr_to_object_conv (mb, ftype, conv, info->fields [i].mspec);
2057 emit_object_to_ptr_conv (mb, ftype, conv, info->fields [i].mspec);
2059 /* restore the old src pointer */
2060 mono_mb_emit_ldloc (mb, src_var);
2061 mono_mb_emit_stloc (mb, 0);
2062 /* restore the old dst pointer */
2063 mono_mb_emit_ldloc (mb, dst_var);
2064 mono_mb_emit_stloc (mb, 1);
2069 mono_mb_emit_add_to_local (mb, 0, usize);
2070 mono_mb_emit_add_to_local (mb, 1, msize);
2072 mono_mb_emit_add_to_local (mb, 0, msize);
2073 mono_mb_emit_add_to_local (mb, 1, usize);
2079 emit_struct_conv (MonoMethodBuilder *mb, MonoClass *klass, gboolean to_object)
2081 emit_struct_conv_full (mb, klass, to_object, -1);
2085 emit_struct_free (MonoMethodBuilder *mb, MonoClass *klass, int struct_var)
2087 /* Call DestroyStructure */
2088 /* FIXME: Only do this if needed */
2089 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2090 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
2091 mono_mb_emit_ldloc (mb, struct_var);
2092 mono_mb_emit_icall (mb, mono_struct_delete_old);
2096 emit_thread_interrupt_checkpoint_call (MonoMethodBuilder *mb, gpointer checkpoint_func)
2100 mono_mb_emit_ptr (mb, (gpointer) mono_thread_interruption_request_flag ());
2101 mono_mb_emit_byte (mb, CEE_LDIND_U4);
2102 pos_noabort = mono_mb_emit_branch (mb, CEE_BRFALSE);
2104 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2105 mono_mb_emit_byte (mb, CEE_MONO_NOT_TAKEN);
2107 mono_mb_emit_icall (mb, checkpoint_func);
2109 mono_mb_patch_branch (mb, pos_noabort);
2113 emit_thread_interrupt_checkpoint (MonoMethodBuilder *mb)
2115 if (strstr (mb->name, "mono_thread_interruption_checkpoint"))
2118 emit_thread_interrupt_checkpoint_call (mb, mono_thread_interruption_checkpoint);
2122 emit_thread_force_interrupt_checkpoint (MonoMethodBuilder *mb)
2124 emit_thread_interrupt_checkpoint_call (mb, mono_thread_force_interruption_checkpoint);
2128 mono_marshal_emit_thread_interrupt_checkpoint (MonoMethodBuilder *mb)
2130 emit_thread_interrupt_checkpoint (mb);
2133 #endif /* DISABLE_JIT */
2135 static MonoAsyncResult *
2136 mono_delegate_begin_invoke (MonoDelegate *delegate, gpointer *params)
2138 MonoMethodMessage *msg;
2139 MonoDelegate *async_callback;
2140 MonoMulticastDelegate *mcast_delegate;
2144 MonoMethod *method = NULL, *method2 = NULL;
2146 g_assert (delegate);
2147 mcast_delegate = (MonoMulticastDelegate *) delegate;
2148 if (mcast_delegate->prev != NULL)
2149 mono_raise_exception (mono_get_exception_argument (NULL, "The delegate must have only one target"));
2151 #ifndef DISABLE_REMOTING
2152 if (delegate->target && mono_object_class (delegate->target) == mono_defaults.transparent_proxy_class) {
2154 MonoTransparentProxy* tp = (MonoTransparentProxy *)delegate->target;
2155 if (!mono_class_is_contextbound (tp->remote_class->proxy_class) || tp->rp->context != (MonoObject *) mono_context_get ()) {
2157 /* If the target is a proxy, make a direct call. Is proxy's work
2158 // to make the call asynchronous.
2160 MonoAsyncResult *ares;
2162 MonoArray *out_args;
2163 method = delegate->method;
2165 msg = mono_method_call_message_new (mono_marshal_method_from_wrapper (method), params, NULL, &async_callback, &state);
2166 ares = mono_async_result_new (mono_domain_get (), NULL, state, NULL, NULL);
2167 MONO_OBJECT_SETREF (ares, async_delegate, (MonoObject *)delegate);
2168 MONO_OBJECT_SETREF (ares, async_callback, (MonoObject *)async_callback);
2169 MONO_OBJECT_SETREF (msg, async_result, ares);
2170 msg->call_type = CallType_BeginInvoke;
2173 mono_remoting_invoke ((MonoObject *)tp->rp, msg, &exc, &out_args);
2175 mono_raise_exception ((MonoException *) exc);
2181 klass = delegate->object.vtable->klass;
2183 method = mono_get_delegate_invoke (klass);
2184 method2 = mono_class_get_method_from_name (klass, "BeginInvoke", -1);
2187 g_assert (method != NULL);
2189 im = mono_get_delegate_invoke (method->klass);
2190 msg = mono_method_call_message_new (method, params, im, &async_callback, &state);
2192 return mono_thread_pool_add ((MonoObject *)delegate, msg, async_callback, state);
2198 mono_mb_emit_save_args (MonoMethodBuilder *mb, MonoMethodSignature *sig, gboolean save_this)
2200 int i, params_var, tmp_var;
2202 /* allocate local (pointer) *params[] */
2203 params_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2204 /* allocate local (pointer) tmp */
2205 tmp_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2207 /* alloate space on stack to store an array of pointers to the arguments */
2208 mono_mb_emit_icon (mb, sizeof (gpointer) * (sig->param_count + 1));
2209 mono_mb_emit_byte (mb, CEE_PREFIX1);
2210 mono_mb_emit_byte (mb, CEE_LOCALLOC);
2211 mono_mb_emit_stloc (mb, params_var);
2214 mono_mb_emit_ldloc (mb, params_var);
2215 mono_mb_emit_stloc (mb, tmp_var);
2217 if (save_this && sig->hasthis) {
2218 mono_mb_emit_ldloc (mb, tmp_var);
2219 mono_mb_emit_ldarg_addr (mb, 0);
2220 mono_mb_emit_byte (mb, CEE_STIND_I);
2221 /* tmp = tmp + sizeof (gpointer) */
2222 if (sig->param_count)
2223 mono_mb_emit_add_to_local (mb, tmp_var, sizeof (gpointer));
2227 for (i = 0; i < sig->param_count; i++) {
2228 mono_mb_emit_ldloc (mb, tmp_var);
2229 mono_mb_emit_ldarg_addr (mb, i + sig->hasthis);
2230 mono_mb_emit_byte (mb, CEE_STIND_I);
2231 /* tmp = tmp + sizeof (gpointer) */
2232 if (i < (sig->param_count - 1))
2233 mono_mb_emit_add_to_local (mb, tmp_var, sizeof (gpointer));
2239 #endif /* DISABLE_JIT */
2242 mono_signature_to_name (MonoMethodSignature *sig, const char *prefix)
2246 GString *res = g_string_new ("");
2249 g_string_append (res, prefix);
2250 g_string_append_c (res, '_');
2253 mono_type_get_desc (res, sig->ret, FALSE);
2256 g_string_append (res, "__this__");
2258 for (i = 0; i < sig->param_count; ++i) {
2259 g_string_append_c (res, '_');
2260 mono_type_get_desc (res, sig->params [i], FALSE);
2263 g_string_free (res, FALSE);
2268 * mono_marshal_get_string_encoding:
2270 * Return the string encoding which should be used for a given parameter.
2272 static MonoMarshalNative
2273 mono_marshal_get_string_encoding (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
2275 /* First try the parameter marshal info */
2277 if (spec->native == MONO_NATIVE_LPARRAY) {
2278 if ((spec->data.array_data.elem_type != 0) && (spec->data.array_data.elem_type != MONO_NATIVE_MAX))
2279 return spec->data.array_data.elem_type;
2282 return spec->native;
2286 return MONO_NATIVE_LPSTR;
2288 /* Then try the method level marshal info */
2289 switch (piinfo->piflags & PINVOKE_ATTRIBUTE_CHAR_SET_MASK) {
2290 case PINVOKE_ATTRIBUTE_CHAR_SET_ANSI:
2291 return MONO_NATIVE_LPSTR;
2292 case PINVOKE_ATTRIBUTE_CHAR_SET_UNICODE:
2293 return MONO_NATIVE_LPWSTR;
2294 case PINVOKE_ATTRIBUTE_CHAR_SET_AUTO:
2296 return MONO_NATIVE_LPWSTR;
2298 return MONO_NATIVE_LPSTR;
2301 return MONO_NATIVE_LPSTR;
2305 static MonoMarshalConv
2306 mono_marshal_get_string_to_ptr_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
2308 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
2311 case MONO_NATIVE_LPWSTR:
2312 return MONO_MARSHAL_CONV_STR_LPWSTR;
2313 case MONO_NATIVE_LPSTR:
2314 case MONO_NATIVE_VBBYREFSTR:
2315 return MONO_MARSHAL_CONV_STR_LPSTR;
2316 case MONO_NATIVE_LPTSTR:
2317 return MONO_MARSHAL_CONV_STR_LPTSTR;
2318 case MONO_NATIVE_BSTR:
2319 return MONO_MARSHAL_CONV_STR_BSTR;
2325 static MonoMarshalConv
2326 mono_marshal_get_stringbuilder_to_ptr_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
2328 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
2331 case MONO_NATIVE_LPWSTR:
2332 return MONO_MARSHAL_CONV_SB_LPWSTR;
2334 case MONO_NATIVE_LPSTR:
2335 return MONO_MARSHAL_CONV_SB_LPSTR;
2337 case MONO_NATIVE_LPTSTR:
2338 return MONO_MARSHAL_CONV_SB_LPTSTR;
2345 static MonoMarshalConv
2346 mono_marshal_get_ptr_to_string_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec, gboolean *need_free)
2348 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
2353 case MONO_NATIVE_LPWSTR:
2355 return MONO_MARSHAL_CONV_LPWSTR_STR;
2356 case MONO_NATIVE_LPSTR:
2357 case MONO_NATIVE_VBBYREFSTR:
2358 return MONO_MARSHAL_CONV_LPSTR_STR;
2359 case MONO_NATIVE_LPTSTR:
2360 return MONO_MARSHAL_CONV_LPTSTR_STR;
2361 case MONO_NATIVE_BSTR:
2362 return MONO_MARSHAL_CONV_BSTR_STR;
2368 static MonoMarshalConv
2369 mono_marshal_get_ptr_to_stringbuilder_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec, gboolean *need_free)
2371 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
2376 case MONO_NATIVE_LPWSTR:
2378 * mono_string_builder_to_utf16 does not allocate a
2379 * new buffer, so no need to free it.
2382 return MONO_MARSHAL_CONV_LPWSTR_SB;
2383 case MONO_NATIVE_LPSTR:
2384 return MONO_MARSHAL_CONV_LPSTR_SB;
2386 case MONO_NATIVE_LPTSTR:
2387 return MONO_MARSHAL_CONV_LPTSTR_SB;
2395 * Return whenever a field of a native structure or an array member needs to
2399 mono_marshal_need_free (MonoType *t, MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
2401 MonoMarshalNative encoding;
2402 MonoMarshalConv conv;
2405 case MONO_TYPE_VALUETYPE:
2406 /* FIXME: Optimize this */
2408 case MONO_TYPE_OBJECT:
2409 case MONO_TYPE_CLASS:
2410 if (t->data.klass == mono_defaults.stringbuilder_class) {
2412 conv = mono_marshal_get_ptr_to_stringbuilder_conv (piinfo, spec, &need_free);
2416 case MONO_TYPE_STRING:
2417 encoding = mono_marshal_get_string_encoding (piinfo, spec);
2418 return (encoding == MONO_NATIVE_LPWSTR) ? FALSE : TRUE;
2425 * Return the hash table pointed to by VAR, lazily creating it if neccesary.
2428 get_cache (GHashTable **var, GHashFunc hash_func, GCompareFunc equal_func)
2431 mono_marshal_lock ();
2434 g_hash_table_new (hash_func, equal_func);
2435 mono_memory_barrier ();
2438 mono_marshal_unlock ();
2444 get_cache_full (GHashTable **var, GHashFunc hash_func, GCompareFunc equal_func, GDestroyNotify key_destroy_func, GDestroyNotify value_destroy_func)
2447 mono_marshal_lock ();
2450 g_hash_table_new_full (hash_func, equal_func, key_destroy_func, value_destroy_func);
2451 mono_memory_barrier ();
2454 mono_marshal_unlock ();
2460 mono_marshal_get_cache (GHashTable **var, GHashFunc hash_func, GCompareFunc equal_func)
2462 return get_cache (var, hash_func, equal_func);
2466 mono_marshal_find_in_cache (GHashTable *cache, gpointer key)
2470 mono_marshal_lock ();
2471 res = g_hash_table_lookup (cache, key);
2472 mono_marshal_unlock ();
2476 /* Create the method from the builder and place it in the cache */
2478 mono_mb_create_and_cache (GHashTable *cache, gpointer key,
2479 MonoMethodBuilder *mb, MonoMethodSignature *sig,
2484 mono_marshal_lock ();
2485 res = g_hash_table_lookup (cache, key);
2486 mono_marshal_unlock ();
2489 newm = mono_mb_create_method (mb, sig, max_stack);
2490 mono_marshal_lock ();
2491 res = g_hash_table_lookup (cache, key);
2494 g_hash_table_insert (cache, key, res);
2495 mono_marshal_set_wrapper_info (res, key);
2496 mono_marshal_unlock ();
2498 mono_marshal_unlock ();
2499 mono_free_method (newm);
2507 static inline MonoMethod*
2508 mono_marshal_remoting_find_in_cache (MonoMethod *method, int wrapper_type)
2510 MonoMethod *res = NULL;
2511 MonoRemotingMethods *wrps;
2513 mono_marshal_lock ();
2514 if (method->klass->image->remoting_invoke_cache)
2515 wrps = g_hash_table_lookup (method->klass->image->remoting_invoke_cache, method);
2520 switch (wrapper_type) {
2521 case MONO_WRAPPER_REMOTING_INVOKE: res = wrps->invoke; break;
2522 case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK: res = wrps->invoke_with_check; break;
2523 case MONO_WRAPPER_XDOMAIN_INVOKE: res = wrps->xdomain_invoke; break;
2524 case MONO_WRAPPER_XDOMAIN_DISPATCH: res = wrps->xdomain_dispatch; break;
2528 /* it is important to do the unlock after the load from wrps, since in
2529 * mono_remoting_mb_create_and_cache () we drop the marshal lock to be able
2530 * to take the loader lock and some other thread may set the fields.
2532 mono_marshal_unlock ();
2536 /* Create the method from the builder and place it in the cache */
2537 static inline MonoMethod*
2538 mono_remoting_mb_create_and_cache (MonoMethod *key, MonoMethodBuilder *mb,
2539 MonoMethodSignature *sig, int max_stack)
2541 MonoMethod **res = NULL;
2542 MonoRemotingMethods *wrps;
2543 GHashTable *cache = get_cache_full (&key->klass->image->remoting_invoke_cache, mono_aligned_addr_hash, NULL, NULL, g_free);
2545 mono_marshal_lock ();
2546 wrps = g_hash_table_lookup (cache, key);
2548 wrps = g_new0 (MonoRemotingMethods, 1);
2549 g_hash_table_insert (cache, key, wrps);
2552 switch (mb->method->wrapper_type) {
2553 case MONO_WRAPPER_REMOTING_INVOKE: res = &wrps->invoke; break;
2554 case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK: res = &wrps->invoke_with_check; break;
2555 case MONO_WRAPPER_XDOMAIN_INVOKE: res = &wrps->xdomain_invoke; break;
2556 case MONO_WRAPPER_XDOMAIN_DISPATCH: res = &wrps->xdomain_dispatch; break;
2557 default: g_assert_not_reached (); break;
2559 mono_marshal_unlock ();
2563 newm = mono_mb_create_method (mb, sig, max_stack);
2565 mono_marshal_lock ();
2568 mono_marshal_set_wrapper_info (*res, key);
2569 mono_marshal_unlock ();
2571 mono_marshal_unlock ();
2572 mono_free_method (newm);
2580 mono_marshal_method_from_wrapper (MonoMethod *wrapper)
2583 int wrapper_type = wrapper->wrapper_type;
2586 if (wrapper_type == MONO_WRAPPER_NONE || wrapper_type == MONO_WRAPPER_DYNAMIC_METHOD)
2589 switch (wrapper_type) {
2590 case MONO_WRAPPER_REMOTING_INVOKE:
2591 case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK:
2592 case MONO_WRAPPER_XDOMAIN_INVOKE:
2593 case MONO_WRAPPER_SYNCHRONIZED:
2594 case MONO_WRAPPER_UNBOX:
2595 res = mono_marshal_get_wrapper_info (wrapper);
2598 if (wrapper->is_inflated)
2600 * A method cannot be inflated and a wrapper at the same time, so the wrapper info
2601 * contains an uninflated method.
2603 return mono_class_inflate_generic_method (res, mono_method_get_context (wrapper));
2606 case MONO_WRAPPER_MANAGED_TO_NATIVE:
2607 info = mono_marshal_get_wrapper_info (wrapper);
2608 if (info && (info->subtype == WRAPPER_SUBTYPE_NONE || info->subtype == WRAPPER_SUBTYPE_NATIVE_FUNC_AOT))
2609 return info->d.managed_to_native.method;
2612 case MONO_WRAPPER_RUNTIME_INVOKE:
2613 info = mono_marshal_get_wrapper_info (wrapper);
2614 if (info && (info->subtype == WRAPPER_SUBTYPE_RUNTIME_INVOKE_DIRECT || info->subtype == WRAPPER_SUBTYPE_RUNTIME_INVOKE_VIRTUAL))
2615 return info->d.runtime_invoke.method;
2624 * mono_marshal_get_wrapper_info:
2626 * Retrieve the pointer stored by mono_marshal_set_wrapper_info. The type of data
2627 * returned depends on the wrapper type. It is usually a method, a class, or a
2628 * WrapperInfo structure.
2631 mono_marshal_get_wrapper_info (MonoMethod *wrapper)
2633 g_assert (wrapper->wrapper_type);
2635 return mono_method_get_wrapper_data (wrapper, 1);
2639 * mono_marshal_set_wrapper_info:
2641 * Store an arbitrary pointer inside the wrapper which is retrievable by
2642 * mono_marshal_get_wrapper_info. The format of the data depends on the type of the
2643 * wrapper (method->wrapper_type).
2646 mono_marshal_set_wrapper_info (MonoMethod *method, gpointer data)
2650 if (method->wrapper_type == MONO_WRAPPER_NONE || method->wrapper_type == MONO_WRAPPER_DYNAMIC_METHOD)
2653 datav = ((MonoMethodWrapper *)method)->method_data;
2658 mono_wrapper_info_create (MonoMethod *wrapper, WrapperSubtype subtype)
2662 info = mono_image_alloc0 (wrapper->klass->image, sizeof (WrapperInfo));
2663 info->subtype = subtype;
2668 * get_wrapper_target_class:
2670 * Return the class where a wrapper method should be placed.
2673 get_wrapper_target_class (MonoImage *image)
2679 * - can't put all wrappers into an mscorlib class, because they reference
2680 * metadata (signature) so they should be put into the same image as the
2681 * method they wrap, so they are unloaded together.
2682 * - putting them into a class with a type initalizer could cause the
2683 * initializer to be executed which can be a problem if the wrappers are
2685 * - putting them into an inflated class can cause problems if the the
2686 * class is deleted because it references an image which is unloaded.
2687 * To avoid these problems, we put the wrappers into the <Module> class of
2691 klass = ((MonoDynamicImage*)image)->wrappers_type;
2693 klass = mono_class_get (image, mono_metadata_make_token (MONO_TABLE_TYPEDEF, 1));
2700 * Wrappers for generic methods should be instances of generic wrapper methods, i.e .the wrapper for Sort<int> should be
2701 * an instance of the wrapper for Sort<T>. This is required for full-aot to work.
2705 * check_generic_wrapper_cache:
2707 * Check CACHE for the wrapper of the generic instance ORIG_METHOD, and return it if it is found.
2708 * KEY should be the key for ORIG_METHOD in the cache, while DEF_KEY should be the key of its
2709 * generic method definition.
2712 check_generic_wrapper_cache (GHashTable *cache, MonoMethod *orig_method, gpointer key, gpointer def_key)
2715 MonoMethod *inst, *def;
2716 MonoGenericContext *ctx;
2717 MonoMethod *def_method;
2719 g_assert (orig_method->is_inflated);
2720 def_method = ((MonoMethodInflated*)orig_method)->declaring;
2721 ctx = mono_method_get_context (orig_method);
2724 * Look for the instance
2726 res = mono_marshal_find_in_cache (cache, key);
2731 * Look for the definition
2733 def = mono_marshal_find_in_cache (cache, def_key);
2735 inst = mono_class_inflate_generic_method (def, ctx);
2737 mono_memory_barrier ();
2738 mono_marshal_lock ();
2739 res = g_hash_table_lookup (cache, key);
2741 g_hash_table_insert (cache, key, inst);
2744 mono_marshal_unlock ();
2751 cache_generic_wrapper (GHashTable *cache, MonoMethod *orig_method, MonoMethod *def, MonoGenericContext *ctx, gpointer key)
2753 MonoMethod *inst, *res;
2756 * We use the same cache for the generic definition and the instances.
2758 inst = mono_class_inflate_generic_method (def, ctx);
2759 mono_memory_barrier ();
2760 mono_marshal_lock ();
2761 res = g_hash_table_lookup (cache, key);
2763 g_hash_table_insert (cache, key, inst);
2766 mono_marshal_unlock ();
2771 check_generic_delegate_wrapper_cache (GHashTable *cache, MonoMethod *orig_method, MonoMethod *def_method, MonoGenericContext *ctx)
2774 MonoMethod *inst, *def;
2777 * Look for the instance
2779 res = mono_marshal_find_in_cache (cache, orig_method->klass);
2784 * Look for the definition
2786 def = mono_marshal_find_in_cache (cache, def_method->klass);
2788 inst = mono_class_inflate_generic_method (def, ctx);
2790 mono_memory_barrier ();
2791 mono_marshal_lock ();
2792 res = g_hash_table_lookup (cache, orig_method->klass);
2794 g_hash_table_insert (cache, orig_method->klass, inst);
2797 mono_marshal_unlock ();
2804 cache_generic_delegate_wrapper (GHashTable *cache, MonoMethod *orig_method, MonoMethod *def, MonoGenericContext *ctx)
2806 MonoMethod *inst, *res;
2809 * We use the same cache for the generic definition and the instances.
2811 inst = mono_class_inflate_generic_method (def, ctx);
2812 mono_memory_barrier ();
2813 mono_marshal_lock ();
2814 res = g_hash_table_lookup (cache, orig_method->klass);
2816 g_hash_table_insert (cache, orig_method->klass, inst);
2819 mono_marshal_unlock ();
2824 mono_marshal_get_delegate_begin_invoke (MonoMethod *method)
2826 MonoMethodSignature *sig;
2827 MonoMethodBuilder *mb;
2832 MonoGenericContext *ctx = NULL;
2833 MonoMethod *orig_method = NULL;
2835 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
2836 !strcmp (method->name, "BeginInvoke"));
2839 * For generic delegates, create a generic wrapper, and returns an instance to help AOT.
2841 if (method->is_inflated) {
2842 orig_method = method;
2843 ctx = &((MonoMethodInflated*)method)->context;
2844 method = ((MonoMethodInflated*)method)->declaring;
2847 sig = mono_signature_no_pinvoke (method);
2853 cache = get_cache (&method->klass->image->delegate_begin_invoke_generic_cache, mono_aligned_addr_hash, NULL);
2854 res = check_generic_delegate_wrapper_cache (cache, orig_method, method, ctx);
2858 cache = get_cache (&method->klass->image->delegate_begin_invoke_cache,
2859 (GHashFunc)mono_signature_hash,
2860 (GCompareFunc)mono_metadata_signature_equal);
2861 if ((res = mono_marshal_find_in_cache (cache, sig)))
2865 g_assert (sig->hasthis);
2867 name = mono_signature_to_name (sig, "begin_invoke");
2869 mb = mono_mb_new (method->klass, name, MONO_WRAPPER_DELEGATE_BEGIN_INVOKE);
2871 mb = mono_mb_new (get_wrapper_target_class (method->klass->image), name, MONO_WRAPPER_DELEGATE_BEGIN_INVOKE);
2875 params_var = mono_mb_emit_save_args (mb, sig, FALSE);
2877 mono_mb_emit_ldarg (mb, 0);
2878 mono_mb_emit_ldloc (mb, params_var);
2879 mono_mb_emit_icall (mb, mono_delegate_begin_invoke);
2880 mono_mb_emit_byte (mb, CEE_RET);
2885 def = mono_mb_create_and_cache (cache, method->klass, mb, sig, sig->param_count + 16);
2886 res = cache_generic_delegate_wrapper (cache, orig_method, def, ctx);
2888 res = mono_mb_create_and_cache (cache, sig, mb, sig, sig->param_count + 16);
2896 mono_delegate_end_invoke (MonoDelegate *delegate, gpointer *params)
2898 MonoDomain *domain = mono_domain_get ();
2899 MonoAsyncResult *ares;
2900 MonoMethod *method = NULL;
2901 MonoMethodSignature *sig;
2902 MonoMethodMessage *msg;
2903 MonoObject *res, *exc;
2904 MonoArray *out_args;
2907 g_assert (delegate);
2909 if (!delegate->method_info) {
2910 g_assert (delegate->method);
2911 MONO_OBJECT_SETREF (delegate, method_info, mono_method_get_object (domain, delegate->method, NULL));
2914 if (!delegate->method_info || !delegate->method_info->method)
2915 g_assert_not_reached ();
2917 klass = delegate->object.vtable->klass;
2919 method = mono_class_get_method_from_name (klass, "EndInvoke", -1);
2920 g_assert (method != NULL);
2922 sig = mono_signature_no_pinvoke (method);
2924 msg = mono_method_call_message_new (method, params, NULL, NULL, NULL);
2926 ares = mono_array_get (msg->args, gpointer, sig->param_count - 1);
2928 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."));
2932 if (ares->async_delegate != (MonoObject*)delegate) {
2933 mono_raise_exception (mono_get_exception_invalid_operation (
2934 "The IAsyncResult object provided does not match this delegate."));
2938 #ifndef DISABLE_REMOTING
2939 if (delegate->target && mono_object_is_transparent_proxy (delegate->target)) {
2940 MonoTransparentProxy* tp = (MonoTransparentProxy *)delegate->target;
2941 msg = (MonoMethodMessage *)mono_object_new (domain, mono_defaults.mono_method_message_class);
2942 mono_message_init (domain, msg, delegate->method_info, NULL);
2943 msg->call_type = CallType_EndInvoke;
2944 MONO_OBJECT_SETREF (msg, async_result, ares);
2945 res = mono_remoting_invoke ((MonoObject *)tp->rp, msg, &exc, &out_args);
2949 res = mono_thread_pool_finish (ares, &out_args, &exc);
2953 if (((MonoException*)exc)->stack_trace) {
2954 char *strace = mono_string_to_utf8 (((MonoException*)exc)->stack_trace);
2956 tmp = g_strdup_printf ("%s\nException Rethrown at:\n", strace);
2958 MONO_OBJECT_SETREF (((MonoException*)exc), stack_trace, mono_string_new (domain, tmp));
2961 mono_raise_exception ((MonoException*)exc);
2964 mono_method_return_message_restore (method, params, out_args);
2971 mono_mb_emit_restore_result (MonoMethodBuilder *mb, MonoType *return_type)
2973 MonoType *t = mono_type_get_underlying_type (return_type);
2975 if (return_type->byref)
2976 return_type = &mono_defaults.int_class->byval_arg;
2979 case MONO_TYPE_VOID:
2980 g_assert_not_reached ();
2983 case MONO_TYPE_STRING:
2984 case MONO_TYPE_CLASS:
2985 case MONO_TYPE_OBJECT:
2986 case MONO_TYPE_ARRAY:
2987 case MONO_TYPE_SZARRAY:
2991 case MONO_TYPE_BOOLEAN:
2994 case MONO_TYPE_CHAR:
3004 mono_mb_emit_op (mb, CEE_UNBOX, mono_class_from_mono_type (return_type));
3005 mono_mb_emit_byte (mb, mono_type_to_ldind (return_type));
3007 case MONO_TYPE_GENERICINST:
3008 if (!mono_type_generic_inst_is_valuetype (t))
3011 case MONO_TYPE_VALUETYPE: {
3012 MonoClass *klass = mono_class_from_mono_type (return_type);
3013 mono_mb_emit_op (mb, CEE_UNBOX, klass);
3014 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
3018 case MONO_TYPE_MVAR: {
3019 MonoClass *klass = mono_class_from_mono_type (return_type);
3020 mono_mb_emit_op (mb, CEE_UNBOX_ANY, klass);
3024 g_warning ("type 0x%x not handled", return_type->type);
3025 g_assert_not_reached ();
3028 mono_mb_emit_byte (mb, CEE_RET);
3031 #endif /* DISABLE_JIT */
3034 mono_marshal_get_delegate_end_invoke (MonoMethod *method)
3036 MonoMethodSignature *sig;
3037 MonoMethodBuilder *mb;
3042 MonoGenericContext *ctx = NULL;
3043 MonoMethod *orig_method = NULL;
3045 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
3046 !strcmp (method->name, "EndInvoke"));
3049 * For generic delegates, create a generic wrapper, and returns an instance to help AOT.
3051 if (method->is_inflated) {
3052 orig_method = method;
3053 ctx = &((MonoMethodInflated*)method)->context;
3054 method = ((MonoMethodInflated*)method)->declaring;
3057 sig = mono_signature_no_pinvoke (method);
3063 cache = get_cache (&method->klass->image->delegate_end_invoke_generic_cache, mono_aligned_addr_hash, NULL);
3064 res = check_generic_delegate_wrapper_cache (cache, orig_method, method, ctx);
3068 cache = get_cache (&method->klass->image->delegate_end_invoke_cache,
3069 (GHashFunc)mono_signature_hash,
3070 (GCompareFunc)mono_metadata_signature_equal);
3071 if ((res = mono_marshal_find_in_cache (cache, sig)))
3075 g_assert (sig->hasthis);
3077 name = mono_signature_to_name (sig, "end_invoke");
3079 mb = mono_mb_new (method->klass, name, MONO_WRAPPER_DELEGATE_END_INVOKE);
3081 mb = mono_mb_new (get_wrapper_target_class (method->klass->image), name, MONO_WRAPPER_DELEGATE_END_INVOKE);
3085 params_var = mono_mb_emit_save_args (mb, sig, FALSE);
3087 mono_mb_emit_ldarg (mb, 0);
3088 mono_mb_emit_ldloc (mb, params_var);
3089 mono_mb_emit_icall (mb, mono_delegate_end_invoke);
3091 if (sig->ret->type == MONO_TYPE_VOID) {
3092 mono_mb_emit_byte (mb, CEE_POP);
3093 mono_mb_emit_byte (mb, CEE_RET);
3095 mono_mb_emit_restore_result (mb, sig->ret);
3100 def = mono_mb_create_and_cache (cache, method->klass, mb, sig, sig->param_count + 16);
3101 res = cache_generic_delegate_wrapper (cache, orig_method, def, ctx);
3103 res = mono_mb_create_and_cache (cache, sig,
3104 mb, sig, sig->param_count + 16);
3111 #ifndef DISABLE_REMOTING
3114 mono_remoting_wrapper (MonoMethod *method, gpointer *params)
3116 MonoMethodMessage *msg;
3117 MonoTransparentProxy *this;
3118 MonoObject *res, *exc;
3119 MonoArray *out_args;
3121 this = *((MonoTransparentProxy **)params [0]);
3124 g_assert (((MonoObject *)this)->vtable->klass == mono_defaults.transparent_proxy_class);
3126 /* skip the this pointer */
3129 if (mono_class_is_contextbound (this->remote_class->proxy_class) && this->rp->context == (MonoObject *) mono_context_get ())
3132 MonoMethodSignature *sig = mono_method_signature (method);
3133 int count = sig->param_count;
3134 gpointer* mparams = (gpointer*) alloca(count*sizeof(gpointer));
3136 for (i=0; i<count; i++) {
3137 MonoClass *class = mono_class_from_mono_type (sig->params [i]);
3138 if (class->valuetype) {
3139 if (sig->params [i]->byref) {
3140 mparams[i] = *((gpointer *)params [i]);
3142 /* runtime_invoke expects a boxed instance */
3143 if (mono_class_is_nullable (mono_class_from_mono_type (sig->params [i])))
3144 mparams[i] = mono_nullable_box (params [i], class);
3146 mparams[i] = params [i];
3149 mparams[i] = *((gpointer**)params [i]);
3153 return mono_runtime_invoke (method, method->klass->valuetype? mono_object_unbox ((MonoObject*)this): this, mparams, NULL);
3156 msg = mono_method_call_message_new (method, params, NULL, NULL, NULL);
3158 res = mono_remoting_invoke ((MonoObject *)this->rp, msg, &exc, &out_args);
3161 mono_raise_exception ((MonoException *)exc);
3163 mono_method_return_message_restore (method, params, out_args);
3169 mono_marshal_get_remoting_invoke (MonoMethod *method)
3171 MonoMethodSignature *sig;
3172 MonoMethodBuilder *mb;
3178 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE || method->wrapper_type == MONO_WRAPPER_XDOMAIN_INVOKE)
3181 /* this seems to be the best plase to put this, as all remoting invokes seem to get filtered through here */
3183 if (mono_class_is_com_object (method->klass) || method->klass == mono_class_get_com_object_class ()) {
3184 MonoVTable *vtable = mono_class_vtable (mono_domain_get (), method->klass);
3185 g_assert (vtable); /*FIXME do proper error handling*/
3187 if (!mono_vtable_is_remote (vtable)) {
3188 return mono_cominterop_get_invoke (method);
3193 sig = mono_signature_no_pinvoke (method);
3195 /* we cant remote methods without this pointer */
3199 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_REMOTING_INVOKE)))
3202 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_REMOTING_INVOKE);
3205 mb->method->save_lmf = 1;
3207 params_var = mono_mb_emit_save_args (mb, sig, TRUE);
3209 mono_mb_emit_ptr (mb, method);
3210 mono_mb_emit_ldloc (mb, params_var);
3211 mono_mb_emit_icall (mb, mono_remoting_wrapper);
3212 emit_thread_interrupt_checkpoint (mb);
3214 if (sig->ret->type == MONO_TYPE_VOID) {
3215 mono_mb_emit_byte (mb, CEE_POP);
3216 mono_mb_emit_byte (mb, CEE_RET);
3218 mono_mb_emit_restore_result (mb, sig->ret);
3222 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16);
3228 #endif /* DISABLE_REMOTING */
3231 /* mono_get_xdomain_marshal_type()
3232 * Returns the kind of marshalling that a type needs for cross domain calls.
3234 static MonoXDomainMarshalType
3235 mono_get_xdomain_marshal_type (MonoType *t)
3238 case MONO_TYPE_VOID:
3239 g_assert_not_reached ();
3243 case MONO_TYPE_BOOLEAN:
3246 case MONO_TYPE_CHAR:
3253 return MONO_MARSHAL_NONE;
3254 case MONO_TYPE_STRING:
3255 return MONO_MARSHAL_COPY;
3256 case MONO_TYPE_ARRAY:
3257 case MONO_TYPE_SZARRAY: {
3258 MonoClass *elem_class = mono_class_from_mono_type (t)->element_class;
3259 if (mono_get_xdomain_marshal_type (&(elem_class->byval_arg)) != MONO_MARSHAL_SERIALIZE)
3260 return MONO_MARSHAL_COPY;
3265 return MONO_MARSHAL_SERIALIZE;
3269 /* mono_marshal_xdomain_copy_value
3270 * Makes a copy of "val" suitable for the current domain.
3273 mono_marshal_xdomain_copy_value (MonoObject *val)
3276 if (val == NULL) return NULL;
3278 domain = mono_domain_get ();
3280 switch (mono_object_class (val)->byval_arg.type) {
3281 case MONO_TYPE_VOID:
3282 g_assert_not_reached ();
3286 case MONO_TYPE_BOOLEAN:
3289 case MONO_TYPE_CHAR:
3295 case MONO_TYPE_R8: {
3296 return mono_value_box (domain, mono_object_class (val), ((char*)val) + sizeof(MonoObject));
3298 case MONO_TYPE_STRING: {
3299 MonoString *str = (MonoString *) val;
3300 return (MonoObject *) mono_string_new_utf16 (domain, mono_string_chars (str), mono_string_length (str));
3302 case MONO_TYPE_ARRAY:
3303 case MONO_TYPE_SZARRAY: {
3305 MonoXDomainMarshalType mt = mono_get_xdomain_marshal_type (&(mono_object_class (val)->element_class->byval_arg));
3306 if (mt == MONO_MARSHAL_SERIALIZE) return NULL;
3307 acopy = mono_array_clone_in_domain (domain, (MonoArray *) val);
3308 if (mt == MONO_MARSHAL_COPY) {
3309 int i, len = mono_array_length (acopy);
3310 for (i = 0; i < len; i++) {
3311 MonoObject *item = mono_array_get (acopy, gpointer, i);
3312 mono_array_setref (acopy, i, mono_marshal_xdomain_copy_value (item));
3315 return (MonoObject *) acopy;
3319 if (mono_object_class (val) == mono_defaults.stringbuilder_class) {
3320 MonoStringBuilder *oldsb = (MonoStringBuilder *) val;
3321 MonoStringBuilder *newsb = (MonoStringBuilder *) mono_object_new (domain, mono_defaults.stringbuilder_class);
3322 MONO_OBJECT_SETREF (newsb, str, mono_string_new_utf16 (domain, mono_string_chars (oldsb->str), mono_string_length (oldsb->str)));
3323 newsb->length = oldsb->length;
3324 newsb->max_capacity = (gint32)0x7fffffff;
3325 return (MonoObject *) newsb;
3330 /* mono_marshal_xdomain_copy_out_value()
3331 * Copies the contents of the src instance into the dst instance. src and dst
3332 * must have the same type, and if they are arrays, the same size.
3335 mono_marshal_xdomain_copy_out_value (MonoObject *src, MonoObject *dst)
3337 if (src == NULL || dst == NULL) return;
3339 g_assert (mono_object_class (src) == mono_object_class (dst));
3341 switch (mono_object_class (src)->byval_arg.type) {
3342 case MONO_TYPE_ARRAY:
3343 case MONO_TYPE_SZARRAY: {
3344 int mt = mono_get_xdomain_marshal_type (&(mono_object_class (src)->element_class->byval_arg));
3345 if (mt == MONO_MARSHAL_SERIALIZE) return;
3346 if (mt == MONO_MARSHAL_COPY) {
3347 int i, len = mono_array_length ((MonoArray *)dst);
3348 for (i = 0; i < len; i++) {
3349 MonoObject *item = mono_array_get ((MonoArray *)src, gpointer, i);
3350 mono_array_setref ((MonoArray *)dst, i, mono_marshal_xdomain_copy_value (item));
3353 mono_array_full_copy ((MonoArray *)src, (MonoArray *)dst);
3359 if (mono_object_class (src) == mono_defaults.stringbuilder_class) {
3360 MonoStringBuilder *src_sb = (MonoStringBuilder *) src;
3361 MonoStringBuilder *dst_sb = (MonoStringBuilder *) dst;
3363 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)));
3364 dst_sb->cached_str = NULL;
3365 dst_sb->length = src_sb->length;
3370 #if !(defined (DISABLE_JIT) || defined (DISABLE_REMOTING))
3373 mono_marshal_emit_xdomain_copy_value (MonoMethodBuilder *mb, MonoClass *pclass)
3375 mono_mb_emit_icall (mb, mono_marshal_xdomain_copy_value);
3376 mono_mb_emit_op (mb, CEE_CASTCLASS, pclass);
3380 mono_marshal_emit_xdomain_copy_out_value (MonoMethodBuilder *mb, MonoClass *pclass)
3382 mono_mb_emit_icall (mb, mono_marshal_xdomain_copy_out_value);
3386 #ifndef DISABLE_REMOTING
3387 /* mono_marshal_supports_fast_xdomain()
3388 * Returns TRUE if the method can use the fast xdomain wrapper.
3391 mono_marshal_supports_fast_xdomain (MonoMethod *method)
3393 return !mono_class_is_contextbound (method->klass) &&
3394 !((method->flags & METHOD_ATTRIBUTE_SPECIAL_NAME) && (strcmp (".ctor", method->name) == 0));
3399 mono_marshal_set_domain_by_id (gint32 id, MonoBoolean push)
3401 MonoDomain *current_domain = mono_domain_get ();
3402 MonoDomain *domain = mono_domain_get_by_id (id);
3404 if (!domain || !mono_domain_set (domain, FALSE))
3405 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
3408 mono_thread_push_appdomain_ref (domain);
3410 mono_thread_pop_appdomain_ref ();
3412 return current_domain->domain_id;
3415 #if !(defined (DISABLE_JIT) || defined (DISABLE_REMOTING))
3417 mono_marshal_emit_switch_domain (MonoMethodBuilder *mb)
3419 mono_mb_emit_icall (mb, mono_marshal_set_domain_by_id);
3422 /* mono_marshal_emit_load_domain_method ()
3423 * Loads into the stack a pointer to the code of the provided method for
3424 * the current domain.
3427 mono_marshal_emit_load_domain_method (MonoMethodBuilder *mb, MonoMethod *method)
3429 /* We need a pointer to the method for the running domain (not the domain
3430 * that compiles the method).
3432 mono_mb_emit_ptr (mb, method);
3433 mono_mb_emit_icall (mb, mono_compile_method);
3437 /* mono_marshal_check_domain_image ()
3438 * Returns TRUE if the image is loaded in the specified
3439 * application domain.
3442 mono_marshal_check_domain_image (gint32 domain_id, MonoImage *image)
3447 MonoDomain *domain = mono_domain_get_by_id (domain_id);
3451 mono_domain_assemblies_lock (domain);
3452 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
3454 if (ass->image == image)
3457 mono_domain_assemblies_unlock (domain);
3462 #ifndef DISABLE_REMOTING
3464 /* mono_marshal_get_xappdomain_dispatch ()
3465 * Generates a method that dispatches a method call from another domain into
3466 * the current domain.
3469 mono_marshal_get_xappdomain_dispatch (MonoMethod *method, int *marshal_types, int complex_count, int complex_out_count, int ret_marshal_type)
3471 MonoMethodSignature *sig, *csig;
3472 MonoMethodBuilder *mb;
3474 int i, j, param_index, copy_locals_base;
3475 MonoClass *ret_class = NULL;
3476 int loc_array=0, loc_return=0, loc_serialized_exc=0;
3477 MonoExceptionClause *main_clause;
3479 gboolean copy_return;
3481 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_XDOMAIN_DISPATCH)))
3484 sig = mono_method_signature (method);
3485 copy_return = (sig->ret->type != MONO_TYPE_VOID && ret_marshal_type != MONO_MARSHAL_SERIALIZE);
3488 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3 + sig->param_count - complex_count);
3489 csig->params [j++] = &mono_defaults.object_class->byval_arg;
3490 csig->params [j++] = &byte_array_class->this_arg;
3491 csig->params [j++] = &byte_array_class->this_arg;
3492 for (i = 0; i < sig->param_count; i++) {
3493 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE)
3494 csig->params [j++] = sig->params [i];
3497 csig->ret = sig->ret;
3499 csig->ret = &mono_defaults.void_class->byval_arg;
3501 csig->hasthis = FALSE;
3503 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_XDOMAIN_DISPATCH);
3504 mb->method->save_lmf = 1;
3509 loc_serialized_exc = mono_mb_add_local (mb, &byte_array_class->byval_arg);
3510 if (complex_count > 0)
3511 loc_array = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3512 if (sig->ret->type != MONO_TYPE_VOID) {
3513 loc_return = mono_mb_add_local (mb, sig->ret);
3514 ret_class = mono_class_from_mono_type (sig->ret);
3519 main_clause = mono_image_alloc0 (method->klass->image, sizeof (MonoExceptionClause));
3520 main_clause->try_offset = mono_mb_get_label (mb);
3522 /* Clean the call context */
3524 mono_mb_emit_byte (mb, CEE_LDNULL);
3525 mono_mb_emit_managed_call (mb, method_set_call_context, NULL);
3526 mono_mb_emit_byte (mb, CEE_POP);
3528 /* Deserialize call data */
3530 mono_mb_emit_ldarg (mb, 1);
3531 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3532 mono_mb_emit_byte (mb, CEE_DUP);
3533 pos = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
3535 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
3536 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
3538 if (complex_count > 0)
3539 mono_mb_emit_stloc (mb, loc_array);
3541 mono_mb_emit_byte (mb, CEE_POP);
3543 mono_mb_patch_short_branch (mb, pos);
3545 /* Get the target object */
3547 mono_mb_emit_ldarg (mb, 0);
3548 mono_mb_emit_managed_call (mb, method_rs_appdomain_target, NULL);
3550 /* Load the arguments */
3552 copy_locals_base = mb->locals;
3553 param_index = 3; // Index of the first non-serialized parameter of this wrapper
3555 for (i = 0; i < sig->param_count; i++) {
3556 MonoType *pt = sig->params [i];
3557 MonoClass *pclass = mono_class_from_mono_type (pt);
3558 switch (marshal_types [i]) {
3559 case MONO_MARSHAL_SERIALIZE: {
3560 /* take the value from the serialized array */
3561 mono_mb_emit_ldloc (mb, loc_array);
3562 mono_mb_emit_icon (mb, j++);
3564 if (pclass->valuetype) {
3565 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3566 mono_mb_emit_op (mb, CEE_UNBOX, pclass);
3568 mono_mb_emit_op (mb, CEE_LDELEMA, pclass);
3571 if (pclass->valuetype) {
3572 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3573 mono_mb_emit_op (mb, CEE_UNBOX, pclass);
3574 mono_mb_emit_op (mb, CEE_LDOBJ, pclass);
3576 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3577 if (pclass != mono_defaults.object_class) {
3578 mono_mb_emit_op (mb, CEE_CASTCLASS, pclass);
3584 case MONO_MARSHAL_COPY_OUT: {
3585 /* Keep a local copy of the value since we need to copy it back after the call */
3586 int copy_local = mono_mb_add_local (mb, &(pclass->byval_arg));
3587 mono_mb_emit_ldarg (mb, param_index++);
3588 mono_marshal_emit_xdomain_copy_value (mb, pclass);
3589 mono_mb_emit_byte (mb, CEE_DUP);
3590 mono_mb_emit_stloc (mb, copy_local);
3593 case MONO_MARSHAL_COPY: {
3594 mono_mb_emit_ldarg (mb, param_index);
3596 mono_mb_emit_byte (mb, CEE_DUP);
3597 mono_mb_emit_byte (mb, CEE_DUP);
3598 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3599 mono_marshal_emit_xdomain_copy_value (mb, pclass);
3600 mono_mb_emit_byte (mb, CEE_STIND_REF);
3602 mono_marshal_emit_xdomain_copy_value (mb, pclass);
3607 case MONO_MARSHAL_NONE:
3608 mono_mb_emit_ldarg (mb, param_index++);
3613 /* Make the call to the real object */
3615 emit_thread_force_interrupt_checkpoint (mb);
3617 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
3619 if (sig->ret->type != MONO_TYPE_VOID)
3620 mono_mb_emit_stloc (mb, loc_return);
3622 /* copy back MONO_MARSHAL_COPY_OUT parameters */
3626 for (i = 0; i < sig->param_count; i++) {
3627 if (marshal_types [i] == MONO_MARSHAL_SERIALIZE) continue;
3628 if (marshal_types [i] == MONO_MARSHAL_COPY_OUT) {
3629 mono_mb_emit_ldloc (mb, copy_locals_base + (j++));
3630 mono_mb_emit_ldarg (mb, param_index);
3631 mono_marshal_emit_xdomain_copy_out_value (mb, mono_class_from_mono_type (sig->params [i]));
3636 /* Serialize the return values */
3638 if (complex_out_count > 0) {
3639 /* Reset parameters in the array that don't need to be serialized back */
3641 for (i = 0; i < sig->param_count; i++) {
3642 if (marshal_types[i] != MONO_MARSHAL_SERIALIZE) continue;
3643 if (!sig->params [i]->byref) {
3644 mono_mb_emit_ldloc (mb, loc_array);
3645 mono_mb_emit_icon (mb, j);
3646 mono_mb_emit_byte (mb, CEE_LDNULL);
3647 mono_mb_emit_byte (mb, CEE_STELEM_REF);
3652 /* Add the return value to the array */
3654 if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
3655 mono_mb_emit_ldloc (mb, loc_array);
3656 mono_mb_emit_icon (mb, complex_count); /* The array has an additional slot to hold the ret value */
3657 mono_mb_emit_ldloc (mb, loc_return);
3659 g_assert (ret_class); /*FIXME properly fail here*/
3660 if (ret_class->valuetype) {
3661 mono_mb_emit_op (mb, CEE_BOX, ret_class);
3663 mono_mb_emit_byte (mb, CEE_STELEM_REF);
3668 mono_mb_emit_ldarg (mb, 1);
3669 mono_mb_emit_ldloc (mb, loc_array);
3670 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3671 mono_mb_emit_byte (mb, CEE_STIND_REF);
3672 } else if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
3673 mono_mb_emit_ldarg (mb, 1);
3674 mono_mb_emit_ldloc (mb, loc_return);
3675 if (ret_class->valuetype) {
3676 mono_mb_emit_op (mb, CEE_BOX, ret_class);
3678 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3679 mono_mb_emit_byte (mb, CEE_STIND_REF);
3681 mono_mb_emit_ldarg (mb, 1);
3682 mono_mb_emit_byte (mb, CEE_LDNULL);
3683 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3684 mono_mb_emit_byte (mb, CEE_STIND_REF);
3687 mono_mb_emit_ldarg (mb, 2);
3688 mono_mb_emit_byte (mb, CEE_LDNULL);
3689 mono_mb_emit_byte (mb, CEE_STIND_REF);
3690 pos_leave = mono_mb_emit_branch (mb, CEE_LEAVE);
3692 /* Main exception catch */
3693 main_clause->flags = MONO_EXCEPTION_CLAUSE_NONE;
3694 main_clause->try_len = mono_mb_get_pos (mb) - main_clause->try_offset;
3695 main_clause->data.catch_class = mono_defaults.object_class;
3698 main_clause->handler_offset = mono_mb_get_label (mb);
3699 mono_mb_emit_managed_call (mb, method_rs_serialize_exc, NULL);
3700 mono_mb_emit_stloc (mb, loc_serialized_exc);
3701 mono_mb_emit_ldarg (mb, 2);
3702 mono_mb_emit_ldloc (mb, loc_serialized_exc);
3703 mono_mb_emit_byte (mb, CEE_STIND_REF);
3704 mono_mb_emit_branch (mb, CEE_LEAVE);
3705 main_clause->handler_len = mono_mb_get_pos (mb) - main_clause->handler_offset;
3708 mono_mb_patch_branch (mb, pos_leave);
3711 mono_mb_emit_ldloc (mb, loc_return);
3713 mono_mb_emit_byte (mb, CEE_RET);
3715 mono_mb_set_clauses (mb, 1, main_clause);
3718 res = mono_remoting_mb_create_and_cache (method, mb, csig, csig->param_count + 16);
3724 /* mono_marshal_get_xappdomain_invoke ()
3725 * Generates a fast remoting wrapper for cross app domain calls.
3728 mono_marshal_get_xappdomain_invoke (MonoMethod *method)
3730 MonoMethodSignature *sig;
3731 MonoMethodBuilder *mb;
3733 int i, j, complex_count, complex_out_count, copy_locals_base;
3735 MonoClass *ret_class = NULL;
3736 MonoMethod *xdomain_method;
3737 int ret_marshal_type = MONO_MARSHAL_NONE;
3738 int loc_array=0, loc_serialized_data=-1, loc_real_proxy;
3739 int loc_old_domainid, loc_domainid, loc_return=0, loc_serialized_exc=0, loc_context;
3740 int pos, pos_dispatch, pos_noex;
3741 gboolean copy_return = FALSE;
3745 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE || method->wrapper_type == MONO_WRAPPER_XDOMAIN_INVOKE)
3748 /* we cant remote methods without this pointer */
3749 if (!mono_method_signature (method)->hasthis)
3752 if (!mono_marshal_supports_fast_xdomain (method))
3753 return mono_marshal_get_remoting_invoke (method);
3755 mono_remoting_marshal_init ();
3757 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_XDOMAIN_INVOKE)))
3760 sig = mono_signature_no_pinvoke (method);
3762 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_XDOMAIN_INVOKE);
3763 mb->method->save_lmf = 1;
3765 /* Count the number of parameters that need to be serialized */
3767 marshal_types = alloca (sizeof (int) * sig->param_count);
3768 complex_count = complex_out_count = 0;
3769 for (i = 0; i < sig->param_count; i++) {
3770 MonoType *ptype = sig->params[i];
3771 int mt = mono_get_xdomain_marshal_type (ptype);
3773 /* If the [Out] attribute is applied to a parameter that can be internally copied,
3774 * the copy will be made by reusing the original object instance
3776 if ((ptype->attrs & PARAM_ATTRIBUTE_OUT) != 0 && mt == MONO_MARSHAL_COPY && !ptype->byref)
3777 mt = MONO_MARSHAL_COPY_OUT;
3778 else if (mt == MONO_MARSHAL_SERIALIZE) {
3780 if (ptype->byref) complex_out_count++;
3782 marshal_types [i] = mt;
3785 if (sig->ret->type != MONO_TYPE_VOID) {
3786 ret_marshal_type = mono_get_xdomain_marshal_type (sig->ret);
3787 ret_class = mono_class_from_mono_type (sig->ret);
3788 copy_return = ret_marshal_type != MONO_MARSHAL_SERIALIZE;
3794 if (complex_count > 0)
3795 loc_array = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3796 loc_serialized_data = mono_mb_add_local (mb, &byte_array_class->byval_arg);
3797 loc_real_proxy = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3799 loc_return = mono_mb_add_local (mb, sig->ret);
3800 loc_old_domainid = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
3801 loc_domainid = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
3802 loc_serialized_exc = mono_mb_add_local (mb, &byte_array_class->byval_arg);
3803 loc_context = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3805 /* Save thread domain data */
3807 mono_mb_emit_icall (mb, mono_context_get);
3808 mono_mb_emit_byte (mb, CEE_DUP);
3809 mono_mb_emit_stloc (mb, loc_context);
3811 /* If the thread is not running in the default context, it needs to go
3812 * through the whole remoting sink, since the context is going to change
3814 mono_mb_emit_managed_call (mb, method_needs_context_sink, NULL);
3815 pos = mono_mb_emit_short_branch (mb, CEE_BRTRUE_S);
3817 /* Another case in which the fast path can't be used: when the target domain
3818 * has a different image for the same assembly.
3821 /* Get the target domain id */
3823 mono_mb_emit_ldarg (mb, 0);
3824 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
3825 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3826 mono_mb_emit_byte (mb, CEE_DUP);
3827 mono_mb_emit_stloc (mb, loc_real_proxy);
3829 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoRealProxy, target_domain_id));
3830 mono_mb_emit_byte (mb, CEE_LDIND_I4);
3831 mono_mb_emit_stloc (mb, loc_domainid);
3833 /* Check if the target domain has the same image for the required assembly */
3835 mono_mb_emit_ldloc (mb, loc_domainid);
3836 mono_mb_emit_ptr (mb, method->klass->image);
3837 mono_mb_emit_icall (mb, mono_marshal_check_domain_image);
3838 pos_dispatch = mono_mb_emit_short_branch (mb, CEE_BRTRUE_S);
3840 /* Use the whole remoting sink to dispatch this message */
3842 mono_mb_patch_short_branch (mb, pos);
3844 mono_mb_emit_ldarg (mb, 0);
3845 for (i = 0; i < sig->param_count; i++)
3846 mono_mb_emit_ldarg (mb, i + 1);
3848 mono_mb_emit_managed_call (mb, mono_marshal_get_remoting_invoke (method), NULL);
3849 mono_mb_emit_byte (mb, CEE_RET);
3850 mono_mb_patch_short_branch (mb, pos_dispatch);
3852 /* Create the array that will hold the parameters to be serialized */
3854 if (complex_count > 0) {
3855 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 */
3856 mono_mb_emit_op (mb, CEE_NEWARR, mono_defaults.object_class);
3859 for (i = 0; i < sig->param_count; i++) {
3861 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE) continue;
3862 pclass = mono_class_from_mono_type (sig->params[i]);
3863 mono_mb_emit_byte (mb, CEE_DUP);
3864 mono_mb_emit_icon (mb, j);
3865 mono_mb_emit_ldarg (mb, i + 1); /* 0=this */
3866 if (sig->params[i]->byref) {
3867 if (pclass->valuetype)
3868 mono_mb_emit_op (mb, CEE_LDOBJ, pclass);
3870 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3872 if (pclass->valuetype)
3873 mono_mb_emit_op (mb, CEE_BOX, pclass);
3874 mono_mb_emit_byte (mb, CEE_STELEM_REF);
3877 mono_mb_emit_stloc (mb, loc_array);
3879 /* Serialize parameters */
3881 mono_mb_emit_ldloc (mb, loc_array);
3882 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3883 mono_mb_emit_stloc (mb, loc_serialized_data);
3885 mono_mb_emit_byte (mb, CEE_LDNULL);
3886 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3887 mono_mb_emit_stloc (mb, loc_serialized_data);
3892 mono_mb_emit_ldloc (mb, loc_domainid);
3893 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
3894 mono_marshal_emit_switch_domain (mb);
3895 mono_mb_emit_stloc (mb, loc_old_domainid);
3897 /* Load the arguments */
3899 mono_mb_emit_ldloc (mb, loc_real_proxy);
3900 mono_mb_emit_ldloc_addr (mb, loc_serialized_data);
3901 mono_mb_emit_ldloc_addr (mb, loc_serialized_exc);
3903 copy_locals_base = mb->locals;
3904 for (i = 0; i < sig->param_count; i++) {
3905 switch (marshal_types [i]) {
3906 case MONO_MARSHAL_SERIALIZE:
3908 case MONO_MARSHAL_COPY: {
3909 mono_mb_emit_ldarg (mb, i+1);
3910 if (sig->params [i]->byref) {
3911 /* make a local copy of the byref parameter. The real parameter
3912 * will be updated after the xdomain call
3914 MonoClass *pclass = mono_class_from_mono_type (sig->params [i]);
3915 int copy_local = mono_mb_add_local (mb, &(pclass->byval_arg));
3916 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3917 mono_mb_emit_stloc (mb, copy_local);
3918 mono_mb_emit_ldloc_addr (mb, copy_local);
3922 case MONO_MARSHAL_COPY_OUT:
3923 case MONO_MARSHAL_NONE:
3924 mono_mb_emit_ldarg (mb, i+1);
3929 /* Make the call to the invoke wrapper in the target domain */
3931 xdomain_method = mono_marshal_get_xappdomain_dispatch (method, marshal_types, complex_count, complex_out_count, ret_marshal_type);
3932 mono_marshal_emit_load_domain_method (mb, xdomain_method);
3933 mono_mb_emit_calli (mb, mono_method_signature (xdomain_method));
3936 mono_mb_emit_stloc (mb, loc_return);
3940 mono_mb_emit_ldloc (mb, loc_old_domainid);
3941 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
3942 mono_marshal_emit_switch_domain (mb);
3943 mono_mb_emit_byte (mb, CEE_POP);
3945 /* Restore thread domain data */
3947 mono_mb_emit_ldloc (mb, loc_context);
3948 mono_mb_emit_icall (mb, mono_context_set);
3950 /* if (loc_serialized_exc != null) ... */
3952 mono_mb_emit_ldloc (mb, loc_serialized_exc);
3953 pos_noex = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
3955 mono_mb_emit_ldloc (mb, loc_serialized_exc);
3956 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
3957 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
3958 mono_mb_emit_op (mb, CEE_CASTCLASS, mono_defaults.exception_class);
3959 mono_mb_emit_managed_call (mb, method_exc_fixexc, NULL);
3960 mono_mb_emit_byte (mb, CEE_THROW);
3961 mono_mb_patch_short_branch (mb, pos_noex);
3963 /* copy back non-serialized output parameters */
3966 for (i = 0; i < sig->param_count; i++) {
3967 if (!sig->params [i]->byref || marshal_types [i] != MONO_MARSHAL_COPY) continue;
3968 mono_mb_emit_ldarg (mb, i + 1);
3969 mono_mb_emit_ldloc (mb, copy_locals_base + (j++));
3970 mono_marshal_emit_xdomain_copy_value (mb, mono_class_from_mono_type (sig->params [i]));
3971 mono_mb_emit_byte (mb, CEE_STIND_REF);
3974 /* Deserialize out parameters */
3976 if (complex_out_count > 0) {
3977 mono_mb_emit_ldloc (mb, loc_serialized_data);
3978 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
3979 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
3980 mono_mb_emit_stloc (mb, loc_array);
3982 /* Copy back output parameters and return type */
3985 for (i = 0; i < sig->param_count; i++) {
3986 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE) continue;
3987 if (sig->params[i]->byref) {
3988 MonoClass *pclass = mono_class_from_mono_type (sig->params [i]);
3989 mono_mb_emit_ldarg (mb, i + 1);
3990 mono_mb_emit_ldloc (mb, loc_array);
3991 mono_mb_emit_icon (mb, j);
3992 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3993 if (pclass->valuetype) {
3994 mono_mb_emit_op (mb, CEE_UNBOX, pclass);
3995 mono_mb_emit_op (mb, CEE_LDOBJ, pclass);
3996 mono_mb_emit_op (mb, CEE_STOBJ, pclass);
3998 if (pclass != mono_defaults.object_class)
3999 mono_mb_emit_op (mb, CEE_CASTCLASS, pclass);
4000 mono_mb_emit_byte (mb, CEE_STIND_REF);
4006 if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
4007 mono_mb_emit_ldloc (mb, loc_array);
4008 mono_mb_emit_icon (mb, complex_count);
4009 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
4010 if (ret_class->valuetype) {
4011 mono_mb_emit_op (mb, CEE_UNBOX, ret_class);
4012 mono_mb_emit_op (mb, CEE_LDOBJ, ret_class);
4015 } else if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
4016 mono_mb_emit_ldloc (mb, loc_serialized_data);
4017 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
4018 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
4019 if (ret_class->valuetype) {
4020 mono_mb_emit_op (mb, CEE_UNBOX, ret_class);
4021 mono_mb_emit_op (mb, CEE_LDOBJ, ret_class);
4022 } else if (ret_class != mono_defaults.object_class) {
4023 mono_mb_emit_op (mb, CEE_CASTCLASS, ret_class);
4026 mono_mb_emit_ldloc (mb, loc_serialized_data);
4027 mono_mb_emit_byte (mb, CEE_DUP);
4028 pos = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
4029 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
4031 mono_mb_patch_short_branch (mb, pos);
4032 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
4033 mono_mb_emit_byte (mb, CEE_POP);
4037 mono_mb_emit_ldloc (mb, loc_return);
4038 if (ret_marshal_type == MONO_MARSHAL_COPY)
4039 mono_marshal_emit_xdomain_copy_value (mb, ret_class);
4042 mono_mb_emit_byte (mb, CEE_RET);
4043 #endif /* DISABLE_JIT */
4045 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16);
4052 mono_marshal_get_remoting_invoke_for_target (MonoMethod *method, MonoRemotingTarget target_type)
4054 if (target_type == MONO_REMOTING_TARGET_APPDOMAIN) {
4055 return mono_marshal_get_xappdomain_invoke (method);
4056 } else if (target_type == MONO_REMOTING_TARGET_COMINTEROP) {
4058 return mono_cominterop_get_invoke (method);
4060 g_assert_not_reached ();
4063 return mono_marshal_get_remoting_invoke (method);
4069 G_GNUC_UNUSED static gpointer
4070 mono_marshal_load_remoting_wrapper (MonoRealProxy *rp, MonoMethod *method)
4072 if (rp->target_domain_id != -1)
4073 return mono_compile_method (mono_marshal_get_xappdomain_invoke (method));
4075 return mono_compile_method (mono_marshal_get_remoting_invoke (method));
4079 mono_marshal_get_remoting_invoke_with_check (MonoMethod *method)
4081 MonoMethodSignature *sig;
4082 MonoMethodBuilder *mb;
4083 MonoMethod *res, *native;
4084 int i, pos, pos_rem;
4088 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK)
4091 /* we cant remote methods without this pointer */
4092 g_assert (mono_method_signature (method)->hasthis);
4094 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK)))
4097 sig = mono_signature_no_pinvoke (method);
4099 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK);
4102 for (i = 0; i <= sig->param_count; i++)
4103 mono_mb_emit_ldarg (mb, i);
4105 mono_mb_emit_ldarg (mb, 0);
4106 pos = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
4108 if (mono_marshal_supports_fast_xdomain (method)) {
4109 mono_mb_emit_ldarg (mb, 0);
4110 pos_rem = mono_mb_emit_xdomain_check (mb, CEE_BEQ);
4112 /* wrapper for cross app domain calls */
4113 native = mono_marshal_get_xappdomain_invoke (method);
4114 mono_mb_emit_managed_call (mb, native, mono_method_signature (native));
4115 mono_mb_emit_byte (mb, CEE_RET);
4117 mono_mb_patch_branch (mb, pos_rem);
4119 /* wrapper for normal remote calls */
4120 native = mono_marshal_get_remoting_invoke (method);
4121 mono_mb_emit_managed_call (mb, native, mono_method_signature (native));
4122 mono_mb_emit_byte (mb, CEE_RET);
4125 mono_mb_patch_branch (mb, pos);
4126 mono_mb_emit_managed_call (mb, method, mono_method_signature (method));
4127 mono_mb_emit_byte (mb, CEE_RET);
4130 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16);
4136 #endif /* DISABLE_REMOTING */
4140 MonoMethodSignature *sig;
4142 } SignatureMethodPair;
4145 signature_method_pair_hash (gconstpointer data)
4147 SignatureMethodPair *pair = (SignatureMethodPair*)data;
4149 return mono_signature_hash (pair->sig) ^ mono_aligned_addr_hash (pair->method);
4153 signature_method_pair_equal (SignatureMethodPair *pair1, SignatureMethodPair *pair2)
4155 return mono_metadata_signature_equal (pair1->sig, pair2->sig) && (pair1->method == pair2->method);
4159 signature_method_pair_matches_method (gpointer key, gpointer value, gpointer user_data)
4161 SignatureMethodPair *pair = (SignatureMethodPair*)key;
4162 MonoMethod *method = (MonoMethod*)user_data;
4164 return pair->method == method;
4168 free_signature_method_pair (SignatureMethodPair *pair)
4174 * the returned method invokes all methods in a multicast delegate.
4177 mono_marshal_get_delegate_invoke (MonoMethod *method, MonoDelegate *del)
4179 MonoMethodSignature *sig, *static_sig, *invoke_sig;
4181 MonoMethodBuilder *mb;
4182 MonoMethod *res, *newm;
4184 SignatureMethodPair key;
4185 SignatureMethodPair *new_key;
4186 int local_prev, local_target;
4189 MonoMethod *target_method = NULL;
4190 MonoClass *target_class = NULL;
4191 gboolean callvirt = FALSE;
4192 gboolean closed_over_null = FALSE;
4193 gboolean static_method_with_first_arg_bound = FALSE;
4194 MonoGenericContext *ctx = NULL;
4195 MonoGenericContainer *container = NULL;
4196 MonoMethod *orig_method = NULL;
4200 * If the delegate target is null, and the target method is not static, a virtual
4201 * call is made to that method with the first delegate argument as this. This is
4202 * a non-documented .NET feature.
4204 if (del && !del->target && del->method && mono_method_signature (del->method)->hasthis) {
4206 target_method = del->method;
4207 if (target_method->is_inflated) {
4208 MonoType *target_type;
4210 g_assert (method->signature->hasthis);
4211 target_type = mono_class_inflate_generic_type (method->signature->params [0],
4212 mono_method_get_context (method));
4213 target_class = mono_class_from_mono_type (target_type);
4215 target_class = del->method->klass;
4219 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
4220 !strcmp (method->name, "Invoke"));
4222 invoke_sig = sig = mono_signature_no_pinvoke (method);
4225 closed_over_null = sig->param_count == mono_method_signature (del->method)->param_count;
4227 if (del && del->method && mono_method_signature (del->method)->param_count == sig->param_count + 1 && (del->method->flags & METHOD_ATTRIBUTE_STATIC)) {
4228 g_assert (!callvirt);
4229 invoke_sig = mono_method_signature (del->method);
4230 target_method = NULL;
4231 static_method_with_first_arg_bound = TRUE;
4235 * For generic delegates, create a generic wrapper, and returns an instance to help AOT.
4237 if (method->is_inflated && !callvirt && !static_method_with_first_arg_bound) {
4238 orig_method = method;
4239 ctx = &((MonoMethodInflated*)method)->context;
4240 method = ((MonoMethodInflated*)method)->declaring;
4242 container = mono_method_get_generic_container (method);
4244 container = method->klass->generic_container;
4245 g_assert (container);
4247 invoke_sig = sig = mono_signature_no_pinvoke (method);
4254 cache = get_cache (&method->klass->image->delegate_invoke_generic_cache, mono_aligned_addr_hash, NULL);
4255 res = check_generic_delegate_wrapper_cache (cache, orig_method, method, ctx);
4258 } else if (static_method_with_first_arg_bound) {
4259 cache = get_cache (&method->klass->image->delegate_bound_static_invoke_cache,
4260 (GHashFunc)mono_signature_hash,
4261 (GCompareFunc)mono_metadata_signature_equal);
4263 * The wrapper is based on sig+invoke_sig, but sig can be derived from invoke_sig.
4265 res = mono_marshal_find_in_cache (cache, invoke_sig);
4268 } else if (callvirt) {
4269 GHashTable **cache_ptr;
4271 cache_ptr = &method->klass->image->delegate_abstract_invoke_cache;
4273 /* We need to cache the signature+method pair */
4274 mono_marshal_lock ();
4276 *cache_ptr = g_hash_table_new_full (signature_method_pair_hash, (GEqualFunc)signature_method_pair_equal, (GDestroyNotify)free_signature_method_pair, NULL);
4278 key.sig = invoke_sig;
4279 key.method = target_method;
4280 res = g_hash_table_lookup (cache, &key);
4281 mono_marshal_unlock ();
4285 cache = get_cache (&method->klass->image->delegate_invoke_cache,
4286 (GHashFunc)mono_signature_hash,
4287 (GCompareFunc)mono_metadata_signature_equal);
4288 res = mono_marshal_find_in_cache (cache, sig);
4293 static_sig = signature_dup (method->klass->image, sig);
4294 static_sig->hasthis = 0;
4295 if (!static_method_with_first_arg_bound)
4296 invoke_sig = static_sig;
4298 if (static_method_with_first_arg_bound)
4299 name = mono_signature_to_name (invoke_sig, "invoke_bound_");
4301 name = mono_signature_to_name (sig, "invoke");
4303 mb = mono_mb_new (method->klass, name, MONO_WRAPPER_DELEGATE_INVOKE);
4305 mb = mono_mb_new (get_wrapper_target_class (method->klass->image), name, MONO_WRAPPER_DELEGATE_INVOKE);
4309 /* allocate local 0 (object) */
4310 local_target = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4311 local_prev = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4313 g_assert (sig->hasthis);
4317 * prev.Invoke( args .. );
4318 * return this.<target>( args .. );
4321 /* this wrapper can be used in unmanaged-managed transitions */
4322 emit_thread_interrupt_checkpoint (mb);
4324 /* get this->prev */
4325 mono_mb_emit_ldarg (mb, 0);
4326 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoMulticastDelegate, prev));
4327 mono_mb_emit_byte (mb, CEE_LDIND_REF);
4328 mono_mb_emit_stloc (mb, local_prev);
4329 mono_mb_emit_ldloc (mb, local_prev);
4331 /* if prev != null */
4332 pos0 = mono_mb_emit_branch (mb, CEE_BRFALSE);
4336 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4337 mono_mb_emit_byte (mb, CEE_MONO_NOT_TAKEN);
4339 mono_mb_emit_ldloc (mb, local_prev);
4340 for (i = 0; i < sig->param_count; i++)
4341 mono_mb_emit_ldarg (mb, i + 1);
4343 mono_mb_emit_op (mb, CEE_CALLVIRT, mono_class_inflate_generic_method (method, &container->context));
4345 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
4346 if (sig->ret->type != MONO_TYPE_VOID)
4347 mono_mb_emit_byte (mb, CEE_POP);
4349 /* continued or prev == null */
4350 mono_mb_patch_branch (mb, pos0);
4352 /* get this->target */
4353 mono_mb_emit_ldarg (mb, 0);
4354 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, target));
4355 mono_mb_emit_byte (mb, CEE_LDIND_REF);
4356 mono_mb_emit_stloc (mb, local_target);
4358 /*static methods with bound first arg can have null target and still be bound*/
4359 if (!static_method_with_first_arg_bound) {
4360 /* if target != null */
4361 mono_mb_emit_ldloc (mb, local_target);
4362 pos0 = mono_mb_emit_branch (mb, CEE_BRFALSE);
4364 /* then call this->method_ptr nonstatic */
4367 mono_mb_emit_exception_full (mb, "System", "NotImplementedException", "");
4369 mono_mb_emit_ldloc (mb, local_target);
4370 for (i = 0; i < sig->param_count; ++i)
4371 mono_mb_emit_ldarg (mb, i + 1);
4372 mono_mb_emit_ldarg (mb, 0);
4373 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, method_ptr));
4374 mono_mb_emit_byte (mb, CEE_LDIND_I );
4375 mono_mb_emit_op (mb, CEE_CALLI, sig);
4377 mono_mb_emit_byte (mb, CEE_RET);
4380 /* else [target == null] call this->method_ptr static */
4381 mono_mb_patch_branch (mb, pos0);
4385 if (!closed_over_null) {
4386 mono_mb_emit_ldarg (mb, 1);
4387 mono_mb_emit_op (mb, CEE_CASTCLASS, target_class);
4388 for (i = 1; i < sig->param_count; ++i)
4389 mono_mb_emit_ldarg (mb, i + 1);
4390 mono_mb_emit_op (mb, CEE_CALLVIRT, target_method);
4392 mono_mb_emit_byte (mb, CEE_LDNULL);
4393 for (i = 0; i < sig->param_count; ++i)
4394 mono_mb_emit_ldarg (mb, i + 1);
4395 mono_mb_emit_op (mb, CEE_CALL, target_method);
4398 if (static_method_with_first_arg_bound) {
4399 mono_mb_emit_ldloc (mb, local_target);
4400 if (!MONO_TYPE_IS_REFERENCE (invoke_sig->params[0]))
4401 mono_mb_emit_op (mb, CEE_UNBOX_ANY, mono_class_from_mono_type (invoke_sig->params[0]));
4403 for (i = 0; i < sig->param_count; ++i)
4404 mono_mb_emit_ldarg (mb, i + 1);
4405 mono_mb_emit_ldarg (mb, 0);
4406 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, method_ptr));
4407 mono_mb_emit_byte (mb, CEE_LDIND_I );
4408 mono_mb_emit_op (mb, CEE_CALLI, invoke_sig);
4411 mono_mb_emit_byte (mb, CEE_RET);
4413 mb->skip_visibility = 1;
4414 #endif /* DISABLE_JIT */
4419 def = mono_mb_create_and_cache (cache, method->klass, mb, sig, sig->param_count + 16);
4420 res = cache_generic_delegate_wrapper (cache, orig_method, def, ctx);
4421 } else if (static_method_with_first_arg_bound) {
4422 res = mono_mb_create_and_cache (cache, invoke_sig, mb, sig, sig->param_count + 16);
4424 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_DELEGATE_INVOKE_BOUND);
4425 mono_marshal_set_wrapper_info (res, info);
4426 } else if (callvirt) {
4427 // From mono_mb_create_and_cache
4428 newm = mono_mb_create_method (mb, sig, sig->param_count + 16);
4429 /*We perform double checked locking, so must fence before publishing*/
4430 mono_memory_barrier ();
4431 mono_marshal_lock ();
4432 res = g_hash_table_lookup (cache, &key);
4435 new_key = g_new0 (SignatureMethodPair, 1);
4437 if (static_method_with_first_arg_bound)
4438 new_key->sig = signature_dup (del->method->klass->image, key.sig);
4439 g_hash_table_insert (cache, new_key, res);
4441 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_DELEGATE_INVOKE_VIRTUAL);
4442 mono_marshal_set_wrapper_info (res, info);
4444 mono_marshal_unlock ();
4446 mono_marshal_unlock ();
4447 mono_free_method (newm);
4450 res = mono_mb_create_and_cache (cache, sig, mb, sig, sig->param_count + 16);
4452 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_NONE);
4453 mono_marshal_set_wrapper_info (res, info);
4461 * signature_dup_add_this:
4463 * Make a copy of @sig, adding an explicit this argument.
4465 static MonoMethodSignature*
4466 signature_dup_add_this (MonoImage *image, MonoMethodSignature *sig, MonoClass *klass)
4468 MonoMethodSignature *res;
4471 res = mono_metadata_signature_alloc (image, sig->param_count + 1);
4472 memcpy (res, sig, MONO_SIZEOF_METHOD_SIGNATURE);
4473 res->param_count = sig->param_count + 1;
4474 res->hasthis = FALSE;
4475 for (i = sig->param_count - 1; i >= 0; i --)
4476 res->params [i + 1] = sig->params [i];
4477 res->params [0] = klass->valuetype ? &klass->this_arg : &klass->byval_arg;
4483 MonoMethodSignature *ctor_sig;
4484 MonoMethodSignature *sig;
4487 /* protected by the marshal lock, contains CtorSigPair pointers */
4488 static GSList *strsig_list = NULL;
4490 static MonoMethodSignature *
4491 lookup_string_ctor_signature (MonoMethodSignature *sig)
4493 MonoMethodSignature *callsig;
4497 mono_marshal_lock ();
4499 for (item = strsig_list; item; item = item->next) {
4501 /* mono_metadata_signature_equal () is safe to call with the marshal lock
4502 * because it is lock-free.
4504 if (mono_metadata_signature_equal (sig, cs->ctor_sig)) {
4509 mono_marshal_unlock ();
4513 static MonoMethodSignature *
4514 add_string_ctor_signature (MonoMethod *method)
4516 MonoMethodSignature *callsig;
4519 callsig = signature_dup (method->klass->image, mono_method_signature (method));
4520 callsig->ret = &mono_defaults.string_class->byval_arg;
4521 cs = g_new (CtorSigPair, 1);
4523 cs->ctor_sig = mono_method_signature (method);
4525 mono_marshal_lock ();
4526 strsig_list = g_slist_prepend (strsig_list, cs);
4527 mono_marshal_unlock ();
4532 * mono_marshal_get_string_ctor_signature:
4534 * Return the modified signature used by string ctors (they return the newly created
4537 MonoMethodSignature*
4538 mono_marshal_get_string_ctor_signature (MonoMethod *method)
4540 MonoMethodSignature *sig = lookup_string_ctor_signature (mono_method_signature (method));
4542 sig = add_string_ctor_signature (method);
4548 get_runtime_invoke_type (MonoType *t, gboolean ret)
4551 if (t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t)))
4553 /* Can't share this with 'I' as that needs another indirection */
4554 return &mono_defaults.int_class->this_arg;
4557 if (MONO_TYPE_IS_REFERENCE (t))
4558 return &mono_defaults.object_class->byval_arg;
4561 /* The result needs to be boxed */
4566 /* Can't share these as the argument needs to be loaded using sign/zero extension */
4569 return &mono_defaults.sbyte_class->byval_arg;
4571 return &mono_defaults.int16_class->byval_arg;
4573 return &mono_defaults.int32_class->byval_arg;
4576 return &mono_defaults.int64_class->byval_arg;
4577 case MONO_TYPE_BOOLEAN:
4578 return &mono_defaults.byte_class->byval_arg;
4579 case MONO_TYPE_CHAR:
4580 return &mono_defaults.uint16_class->byval_arg;
4583 return &mono_defaults.int_class->byval_arg;
4584 case MONO_TYPE_VALUETYPE:
4585 if (t->data.klass->enumtype) {
4586 t = mono_class_enum_basetype (t->data.klass);
4596 * mono_marshal_get_runtime_invoke_sig:
4598 * Return a common signature used for sharing runtime invoke wrappers.
4600 static MonoMethodSignature*
4601 mono_marshal_get_runtime_invoke_sig (MonoMethodSignature *sig)
4603 MonoMethodSignature *res = mono_metadata_signature_dup (sig);
4606 res->ret = get_runtime_invoke_type (sig->ret, TRUE);
4607 for (i = 0; i < res->param_count; ++i)
4608 res->params [i] = get_runtime_invoke_type (sig->params [i], FALSE);
4614 runtime_invoke_signature_equal (MonoMethodSignature *sig1, MonoMethodSignature *sig2)
4616 /* Can't share wrappers which return a vtype since it needs to be boxed */
4617 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))
4620 return mono_metadata_signature_equal (sig1, sig2);
4628 * Emit the call to the wrapper method from a runtime invoke wrapper.
4631 emit_invoke_call (MonoMethodBuilder *mb, MonoMethod *method,
4632 MonoMethodSignature *sig, MonoMethodSignature *callsig,
4634 gboolean virtual, gboolean need_direct_wrapper)
4636 static MonoString *string_dummy = NULL;
4638 int *tmp_nullable_locals;
4639 gboolean void_ret = FALSE;
4641 /* to make it work with our special string constructors */
4642 if (!string_dummy) {
4643 MONO_GC_REGISTER_ROOT_SINGLE (string_dummy);
4644 string_dummy = mono_string_new_wrapper ("dummy");
4648 g_assert (sig->hasthis);
4649 g_assert (method->flags & METHOD_ATTRIBUTE_VIRTUAL);
4653 if (method->string_ctor) {
4654 if (mono_gc_is_moving ()) {
4655 mono_mb_emit_ptr (mb, &string_dummy);
4656 mono_mb_emit_byte (mb, CEE_LDIND_REF);
4658 mono_mb_emit_ptr (mb, string_dummy);
4661 mono_mb_emit_ldarg (mb, 0);
4665 tmp_nullable_locals = g_new0 (int, sig->param_count);
4667 for (i = 0; i < sig->param_count; i++) {
4668 MonoType *t = sig->params [i];
4671 mono_mb_emit_ldarg (mb, 1);
4673 mono_mb_emit_icon (mb, sizeof (gpointer) * i);
4674 mono_mb_emit_byte (mb, CEE_ADD);
4678 mono_mb_emit_byte (mb, CEE_LDIND_I);
4679 /* A Nullable<T> type don't have a boxed form, it's either null or a boxed T.
4680 * So to make this work we unbox it to a local variablee and push a reference to that.
4682 if (t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t))) {
4683 tmp_nullable_locals [i] = mono_mb_add_local (mb, &mono_class_from_mono_type (t)->byval_arg);
4685 mono_mb_emit_op (mb, CEE_UNBOX_ANY, mono_class_from_mono_type (t));
4686 mono_mb_emit_stloc (mb, tmp_nullable_locals [i]);
4687 mono_mb_emit_ldloc_addr (mb, tmp_nullable_locals [i]);
4692 /*FIXME 'this doesn't handle generic enums. Shouldn't we?*/
4693 type = sig->params [i]->type;
4697 case MONO_TYPE_BOOLEAN:
4701 case MONO_TYPE_CHAR:
4710 mono_mb_emit_byte (mb, CEE_LDIND_I);
4711 mono_mb_emit_byte (mb, mono_type_to_ldind (sig->params [i]));
4713 case MONO_TYPE_STRING:
4714 case MONO_TYPE_CLASS:
4715 case MONO_TYPE_ARRAY:
4717 case MONO_TYPE_SZARRAY:
4718 case MONO_TYPE_OBJECT:
4719 mono_mb_emit_byte (mb, mono_type_to_ldind (sig->params [i]));
4721 case MONO_TYPE_GENERICINST:
4722 if (!mono_type_generic_inst_is_valuetype (sig->params [i])) {
4723 mono_mb_emit_byte (mb, mono_type_to_ldind (sig->params [i]));
4728 case MONO_TYPE_VALUETYPE:
4729 if (type == MONO_TYPE_VALUETYPE && t->data.klass->enumtype) {
4730 type = mono_class_enum_basetype (t->data.klass)->type;
4733 mono_mb_emit_byte (mb, CEE_LDIND_I);
4734 if (mono_class_is_nullable (mono_class_from_mono_type (sig->params [i]))) {
4735 /* Need to convert a boxed vtype to an mp to a Nullable struct */
4736 mono_mb_emit_op (mb, CEE_UNBOX, mono_class_from_mono_type (sig->params [i]));
4737 mono_mb_emit_op (mb, CEE_LDOBJ, mono_class_from_mono_type (sig->params [i]));
4739 mono_mb_emit_op (mb, CEE_LDOBJ, mono_class_from_mono_type (sig->params [i]));
4743 g_assert_not_reached ();
4748 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
4749 } else if (need_direct_wrapper) {
4750 mono_mb_emit_op (mb, CEE_CALL, method);
4752 mono_mb_emit_ldarg (mb, 3);
4753 mono_mb_emit_calli (mb, callsig);
4756 if (sig->ret->byref) {
4758 g_assert_not_reached ();
4761 switch (sig->ret->type) {
4762 case MONO_TYPE_VOID:
4763 if (!method->string_ctor)
4766 case MONO_TYPE_BOOLEAN:
4767 case MONO_TYPE_CHAR:
4780 case MONO_TYPE_VALUETYPE:
4781 case MONO_TYPE_TYPEDBYREF:
4782 case MONO_TYPE_GENERICINST:
4783 /* box value types */
4784 mono_mb_emit_op (mb, CEE_BOX, mono_class_from_mono_type (sig->ret));
4786 case MONO_TYPE_STRING:
4787 case MONO_TYPE_CLASS:
4788 case MONO_TYPE_ARRAY:
4789 case MONO_TYPE_SZARRAY:
4790 case MONO_TYPE_OBJECT:
4794 /* The result is an IntPtr */
4795 mono_mb_emit_op (mb, CEE_BOX, mono_defaults.int_class);
4798 g_assert_not_reached ();
4802 mono_mb_emit_stloc (mb, loc_res);
4804 /* Convert back nullable-byref arguments */
4805 for (i = 0; i < sig->param_count; i++) {
4806 MonoType *t = sig->params [i];
4809 * Box the result and put it back into the array, the caller will have
4810 * to obtain it from there.
4812 if (t->byref && t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t))) {
4813 mono_mb_emit_ldarg (mb, 1);
4814 mono_mb_emit_icon (mb, sizeof (gpointer) * i);
4815 mono_mb_emit_byte (mb, CEE_ADD);
4817 mono_mb_emit_ldloc (mb, tmp_nullable_locals [i]);
4818 mono_mb_emit_op (mb, CEE_BOX, mono_class_from_mono_type (t));
4820 mono_mb_emit_byte (mb, CEE_STIND_REF);
4824 g_free (tmp_nullable_locals);
4828 emit_runtime_invoke_body (MonoMethodBuilder *mb, MonoClass *target_klass, MonoMethod *method,
4829 MonoMethodSignature *sig, MonoMethodSignature *callsig,
4830 gboolean virtual, gboolean need_direct_wrapper)
4833 MonoExceptionClause *clause;
4834 int loc_res, loc_exc;
4836 /* The wrapper looks like this:
4842 * } catch (Exception e) {
4850 /* allocate local 0 (object) tmp */
4851 loc_res = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4852 /* allocate local 1 (object) exc */
4853 loc_exc = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4855 /* *exc is assumed to be initialized to NULL by the caller */
4857 mono_mb_emit_byte (mb, CEE_LDARG_2);
4858 labels [0] = mono_mb_emit_branch (mb, CEE_BRFALSE);
4863 labels [1] = mono_mb_get_label (mb);
4864 emit_thread_force_interrupt_checkpoint (mb);
4865 emit_invoke_call (mb, method, sig, callsig, loc_res, virtual, need_direct_wrapper);
4867 labels [2] = mono_mb_emit_branch (mb, CEE_LEAVE);
4869 /* Add a try clause around the call */
4870 clause = mono_image_alloc0 (target_klass->image, sizeof (MonoExceptionClause));
4871 clause->flags = MONO_EXCEPTION_CLAUSE_NONE;
4872 clause->data.catch_class = mono_defaults.exception_class;
4873 clause->try_offset = labels [1];
4874 clause->try_len = mono_mb_get_label (mb) - labels [1];
4876 clause->handler_offset = mono_mb_get_label (mb);
4879 mono_mb_emit_stloc (mb, loc_exc);
4880 mono_mb_emit_byte (mb, CEE_LDARG_2);
4881 mono_mb_emit_ldloc (mb, loc_exc);
4882 mono_mb_emit_byte (mb, CEE_STIND_REF);
4884 mono_mb_emit_branch (mb, CEE_LEAVE);
4886 clause->handler_len = mono_mb_get_pos (mb) - clause->handler_offset;
4888 mono_mb_set_clauses (mb, 1, clause);
4890 mono_mb_patch_branch (mb, labels [2]);
4891 mono_mb_emit_ldloc (mb, loc_res);
4892 mono_mb_emit_byte (mb, CEE_RET);
4897 mono_mb_patch_branch (mb, labels [0]);
4898 emit_thread_force_interrupt_checkpoint (mb);
4899 emit_invoke_call (mb, method, sig, callsig, loc_res, virtual, need_direct_wrapper);
4901 mono_mb_emit_ldloc (mb, 0);
4902 mono_mb_emit_byte (mb, CEE_RET);
4907 * generates IL code for the runtime invoke function
4908 * MonoObject *runtime_invoke (MonoObject *this, void **params, MonoObject **exc, void* method)
4910 * we also catch exceptions if exc != null
4911 * If VIRTUAL is TRUE, then METHOD is invoked virtually on THIS. This is useful since
4912 * it means that the compiled code for METHOD does not have to be looked up
4913 * before calling the runtime invoke wrapper. In this case, the wrapper ignores
4914 * its METHOD argument.
4917 mono_marshal_get_runtime_invoke (MonoMethod *method, gboolean virtual)
4919 MonoMethodSignature *sig, *csig, *callsig;
4920 MonoMethodBuilder *mb;
4921 GHashTable *cache = NULL;
4922 MonoClass *target_klass;
4923 MonoMethod *res = NULL;
4924 static MonoMethodSignature *cctor_signature = NULL;
4925 static MonoMethodSignature *finalize_signature = NULL;
4927 const char *param_names [16];
4928 gboolean need_direct_wrapper = FALSE;
4933 if (!cctor_signature) {
4934 cctor_signature = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
4935 cctor_signature->ret = &mono_defaults.void_class->byval_arg;
4937 if (!finalize_signature) {
4938 finalize_signature = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
4939 finalize_signature->ret = &mono_defaults.void_class->byval_arg;
4940 finalize_signature->hasthis = 1;
4944 need_direct_wrapper = TRUE;
4947 * Use a separate cache indexed by methods to speed things up and to avoid the
4948 * boundless mempool growth caused by the signature_dup stuff below.
4951 cache = get_cache (&method->klass->image->runtime_invoke_vcall_cache, mono_aligned_addr_hash, NULL);
4953 cache = get_cache (&method->klass->image->runtime_invoke_direct_cache, mono_aligned_addr_hash, NULL);
4954 res = mono_marshal_find_in_cache (cache, method);
4958 if (method->klass->rank && (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
4959 (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)) {
4961 * Array Get/Set/Address methods. The JIT implements them using inline code
4962 * so we need to create an invoke wrapper which calls the method directly.
4964 need_direct_wrapper = TRUE;
4967 if (method->string_ctor) {
4968 callsig = lookup_string_ctor_signature (mono_method_signature (method));
4970 callsig = add_string_ctor_signature (method);
4971 /* Can't share this as we push a string as this */
4972 need_direct_wrapper = TRUE;
4974 if (method->dynamic)
4975 callsig = signature_dup (method->klass->image, mono_method_signature (method));
4977 callsig = mono_method_signature (method);
4980 target_klass = get_wrapper_target_class (method->klass->image);
4982 /* Try to share wrappers for non-corlib methods with simple signatures */
4983 if (mono_metadata_signature_equal (callsig, cctor_signature)) {
4984 callsig = cctor_signature;
4985 target_klass = mono_defaults.object_class;
4986 } else if (mono_metadata_signature_equal (callsig, finalize_signature)) {
4987 callsig = finalize_signature;
4988 target_klass = mono_defaults.object_class;
4991 if (need_direct_wrapper) {
4992 /* Already searched at the start */
4994 MonoMethodSignature *tmp_sig;
4996 callsig = mono_marshal_get_runtime_invoke_sig (callsig);
4998 if (method->klass->valuetype && mono_method_signature (method)->hasthis)
4999 /* These have a different csig */
5000 cache = get_cache (&target_klass->image->runtime_invoke_vtype_cache,
5001 (GHashFunc)mono_signature_hash,
5002 (GCompareFunc)runtime_invoke_signature_equal);
5004 cache = get_cache (&target_klass->image->runtime_invoke_cache,
5005 (GHashFunc)mono_signature_hash,
5006 (GCompareFunc)runtime_invoke_signature_equal);
5008 /* from mono_marshal_find_in_cache */
5009 mono_marshal_lock ();
5010 res = g_hash_table_lookup (cache, callsig);
5011 mono_marshal_unlock ();
5018 /* Make a copy of the signature from the image mempool */
5020 callsig = mono_metadata_signature_dup_full (target_klass->image, callsig);
5024 sig = mono_method_signature (method);
5026 csig = mono_metadata_signature_alloc (target_klass->image, 4);
5028 csig->ret = &mono_defaults.object_class->byval_arg;
5029 if (method->klass->valuetype && mono_method_signature (method)->hasthis)
5030 csig->params [0] = get_runtime_invoke_type (&method->klass->this_arg, FALSE);
5032 csig->params [0] = &mono_defaults.object_class->byval_arg;
5033 csig->params [1] = &mono_defaults.int_class->byval_arg;
5034 csig->params [2] = &mono_defaults.int_class->byval_arg;
5035 csig->params [3] = &mono_defaults.int_class->byval_arg;
5038 /* This is called from runtime code so it has to be cdecl */
5039 csig->call_convention = MONO_CALL_C;
5042 name = mono_signature_to_name (callsig, virtual ? "runtime_invoke_virtual" : "runtime_invoke");
5043 mb = mono_mb_new (target_klass, name, MONO_WRAPPER_RUNTIME_INVOKE);
5047 param_names [0] = "this";
5048 param_names [1] = "params";
5049 param_names [2] = "exc";
5050 param_names [3] = "method";
5051 mono_mb_set_param_names (mb, param_names);
5053 emit_runtime_invoke_body (mb, target_klass, method, sig, callsig, virtual, need_direct_wrapper);
5056 if (need_direct_wrapper) {
5058 mb->skip_visibility = 1;
5060 res = mono_mb_create_and_cache (cache, method, mb, csig, sig->param_count + 16);
5061 info = mono_wrapper_info_create (res, virtual ? WRAPPER_SUBTYPE_RUNTIME_INVOKE_VIRTUAL : WRAPPER_SUBTYPE_RUNTIME_INVOKE_DIRECT);
5062 info->d.runtime_invoke.method = method;
5063 mono_marshal_set_wrapper_info (res, info);
5065 /* taken from mono_mb_create_and_cache */
5066 mono_marshal_lock ();
5067 res = g_hash_table_lookup (cache, callsig);
5068 mono_marshal_unlock ();
5070 /* Somebody may have created it before us */
5073 newm = mono_mb_create_method (mb, csig, sig->param_count + 16);
5075 mono_marshal_lock ();
5076 res = g_hash_table_lookup (cache, callsig);
5079 g_hash_table_insert (cache, callsig, res);
5080 /* Can't insert it into wrapper_hash since the key is a signature */
5081 g_hash_table_insert (method->klass->image->runtime_invoke_direct_cache, method, res);
5082 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_RUNTIME_INVOKE_NORMAL);
5083 info->d.runtime_invoke.sig = callsig;
5084 mono_marshal_set_wrapper_info (res, info);
5086 mono_free_method (newm);
5088 mono_marshal_unlock ();
5091 /* end mono_mb_create_and_cache */
5100 * mono_marshal_get_runtime_invoke_dynamic:
5102 * Return a method which can be used to invoke managed methods from native code
5104 * The signature of the returned method is given by RuntimeInvokeDynamicFunction:
5105 * void runtime_invoke (void *args, MonoObject **exc, void *compiled_method)
5106 * ARGS should point to an architecture specific structure containing
5107 * the arguments and space for the return value.
5108 * The other arguments are the same as for runtime_invoke (), except that
5109 * ARGS should contain the this argument too.
5110 * This wrapper serves the same purpose as the runtime-invoke wrappers, but there
5111 * is only one copy of it, which is useful in full-aot.
5112 * The wrapper info for the wrapper is a WrapperInfo structure.
5115 mono_marshal_get_runtime_invoke_dynamic (void)
5117 static MonoMethod *method;
5118 MonoMethodSignature *csig;
5119 MonoExceptionClause *clause;
5120 MonoMethodBuilder *mb;
5128 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
5130 csig->ret = &mono_defaults.void_class->byval_arg;
5131 csig->params [0] = &mono_defaults.int_class->byval_arg;
5132 csig->params [1] = &mono_defaults.int_class->byval_arg;
5133 csig->params [2] = &mono_defaults.int_class->byval_arg;
5134 csig->params [3] = &mono_defaults.int_class->byval_arg;
5136 name = g_strdup ("runtime_invoke_dynamic");
5137 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_RUNTIME_INVOKE);
5141 /* allocate local 0 (object) tmp */
5142 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
5143 /* allocate local 1 (object) exc */
5144 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
5146 /* cond set *exc to null */
5147 mono_mb_emit_byte (mb, CEE_LDARG_1);
5148 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
5149 mono_mb_emit_byte (mb, 3);
5150 mono_mb_emit_byte (mb, CEE_LDARG_1);
5151 mono_mb_emit_byte (mb, CEE_LDNULL);
5152 mono_mb_emit_byte (mb, CEE_STIND_REF);
5154 emit_thread_force_interrupt_checkpoint (mb);
5156 mono_mb_emit_byte (mb, CEE_LDARG_0);
5157 mono_mb_emit_byte (mb, CEE_LDARG_2);
5158 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5159 mono_mb_emit_byte (mb, CEE_MONO_DYN_CALL);
5161 pos = mono_mb_emit_branch (mb, CEE_LEAVE);
5163 clause = mono_image_alloc0 (mono_defaults.corlib, sizeof (MonoExceptionClause));
5164 clause->flags = MONO_EXCEPTION_CLAUSE_FILTER;
5165 clause->try_len = mono_mb_get_label (mb);
5168 clause->data.filter_offset = mono_mb_get_label (mb);
5170 mono_mb_emit_byte (mb, CEE_POP);
5171 mono_mb_emit_byte (mb, CEE_LDARG_1);
5172 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
5173 mono_mb_emit_byte (mb, CEE_PREFIX1);
5174 mono_mb_emit_byte (mb, CEE_CGT_UN);
5175 mono_mb_emit_byte (mb, CEE_PREFIX1);
5176 mono_mb_emit_byte (mb, CEE_ENDFILTER);
5178 clause->handler_offset = mono_mb_get_label (mb);
5181 /* store exception */
5182 mono_mb_emit_stloc (mb, 1);
5184 mono_mb_emit_byte (mb, CEE_LDARG_1);
5185 mono_mb_emit_ldloc (mb, 1);
5186 mono_mb_emit_byte (mb, CEE_STIND_REF);
5188 mono_mb_emit_byte (mb, CEE_LDNULL);
5189 mono_mb_emit_stloc (mb, 0);
5191 /* Check for the abort exception */
5192 mono_mb_emit_ldloc (mb, 1);
5193 mono_mb_emit_op (mb, CEE_ISINST, mono_defaults.threadabortexception_class);
5194 posna = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
5196 /* Delay the abort exception */
5197 mono_mb_emit_icall (mb, ves_icall_System_Threading_Thread_ResetAbort);
5199 mono_mb_patch_short_branch (mb, posna);
5200 mono_mb_emit_branch (mb, CEE_LEAVE);
5202 clause->handler_len = mono_mb_get_pos (mb) - clause->handler_offset;
5204 mono_mb_set_clauses (mb, 1, clause);
5207 mono_mb_patch_branch (mb, pos);
5208 //mono_mb_emit_ldloc (mb, 0);
5209 mono_mb_emit_byte (mb, CEE_RET);
5210 #endif /* DISABLE_JIT */
5212 mono_marshal_lock ();
5213 /* double-checked locking */
5215 method = mono_mb_create_method (mb, csig, 16);
5216 info = mono_wrapper_info_create (method, WRAPPER_SUBTYPE_RUNTIME_INVOKE_DYNAMIC);
5217 mono_marshal_set_wrapper_info (method, info);
5219 mono_marshal_unlock ();
5228 mono_mb_emit_auto_layout_exception (MonoMethodBuilder *mb, MonoClass *klass)
5230 char *msg = g_strdup_printf ("The type `%s.%s' layout needs to be Sequential or Explicit",
5231 klass->name_space, klass->name);
5233 mono_mb_emit_exception_marshal_directive (mb, msg);
5237 #ifndef DISABLE_REMOTING
5239 * mono_marshal_get_ldfld_remote_wrapper:
5240 * @klass: The return type
5242 * This method generates a wrapper for calling mono_load_remote_field_new.
5243 * The return type is ignored for now, as mono_load_remote_field_new () always
5244 * returns an object. In the future, to optimize some codepaths, we might
5245 * call a different function that takes a pointer to a valuetype, instead.
5248 mono_marshal_get_ldfld_remote_wrapper (MonoClass *klass)
5250 MonoMethodSignature *sig, *csig;
5251 MonoMethodBuilder *mb;
5253 static MonoMethod* cached = NULL;
5255 mono_marshal_lock ();
5257 mono_marshal_unlock ();
5260 mono_marshal_unlock ();
5262 mb = mono_mb_new_no_dup_name (mono_defaults.object_class, "__mono_load_remote_field_new_wrapper", MONO_WRAPPER_LDFLD_REMOTE);
5264 mb->method->save_lmf = 1;
5266 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
5267 sig->params [0] = &mono_defaults.object_class->byval_arg;
5268 sig->params [1] = &mono_defaults.int_class->byval_arg;
5269 sig->params [2] = &mono_defaults.int_class->byval_arg;
5270 sig->ret = &mono_defaults.object_class->byval_arg;
5273 mono_mb_emit_ldarg (mb, 0);
5274 mono_mb_emit_ldarg (mb, 1);
5275 mono_mb_emit_ldarg (mb, 2);
5277 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
5278 csig->params [0] = &mono_defaults.object_class->byval_arg;
5279 csig->params [1] = &mono_defaults.int_class->byval_arg;
5280 csig->params [2] = &mono_defaults.int_class->byval_arg;
5281 csig->ret = &mono_defaults.object_class->byval_arg;
5284 mono_mb_emit_native_call (mb, csig, mono_load_remote_field_new);
5285 emit_thread_interrupt_checkpoint (mb);
5287 mono_mb_emit_byte (mb, CEE_RET);
5290 mono_marshal_lock ();
5292 mono_marshal_unlock ();
5295 newm = mono_mb_create_method (mb, sig, 4);
5296 mono_marshal_lock ();
5301 mono_marshal_unlock ();
5303 mono_marshal_unlock ();
5304 mono_free_method (newm);
5313 * mono_marshal_get_ldfld_wrapper:
5314 * @type: the type of the field
5316 * This method generates a function which can be use to load a field with type
5317 * @type from an object. The generated function has the following signature:
5318 * <@type> ldfld_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset)
5321 mono_marshal_get_ldfld_wrapper (MonoType *type)
5323 MonoMethodSignature *sig;
5324 MonoMethodBuilder *mb;
5329 int t, pos0, pos1 = 0;
5331 type = mono_type_get_underlying_type (type);
5336 if (type->type == MONO_TYPE_SZARRAY) {
5337 klass = mono_defaults.array_class;
5338 } else if (type->type == MONO_TYPE_VALUETYPE) {
5339 klass = type->data.klass;
5340 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING) {
5341 klass = mono_defaults.object_class;
5342 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
5343 klass = mono_defaults.int_class;
5344 } else if (t == MONO_TYPE_GENERICINST) {
5345 if (mono_type_generic_inst_is_valuetype (type))
5346 klass = mono_class_from_mono_type (type);
5348 klass = mono_defaults.object_class;
5350 klass = mono_class_from_mono_type (type);
5353 klass = mono_defaults.int_class;
5356 cache = get_cache (&klass->image->ldfld_wrapper_cache, mono_aligned_addr_hash, NULL);
5357 if ((res = mono_marshal_find_in_cache (cache, klass)))
5360 /* we add the %p pointer value of klass because class names are not unique */
5361 name = g_strdup_printf ("__ldfld_wrapper_%p_%s.%s", klass, klass->name_space, klass->name);
5362 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_LDFLD);
5365 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
5366 sig->params [0] = &mono_defaults.object_class->byval_arg;
5367 sig->params [1] = &mono_defaults.int_class->byval_arg;
5368 sig->params [2] = &mono_defaults.int_class->byval_arg;
5369 sig->params [3] = &mono_defaults.int_class->byval_arg;
5370 sig->ret = &klass->byval_arg;
5373 mono_mb_emit_ldarg (mb, 0);
5374 pos0 = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
5376 mono_mb_emit_ldarg (mb, 0);
5377 mono_mb_emit_ldarg (mb, 1);
5378 mono_mb_emit_ldarg (mb, 2);
5380 mono_mb_emit_managed_call (mb, mono_marshal_get_ldfld_remote_wrapper (klass), NULL);
5383 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
5384 csig->params [0] = &mono_defaults.object_class->byval_arg;
5385 csig->params [1] = &mono_defaults.int_class->byval_arg;
5386 csig->params [2] = &mono_defaults.int_class->byval_arg;
5387 csig->ret = &klass->this_arg;
5390 mono_mb_emit_native_call (mb, csig, mono_load_remote_field_new);
5391 emit_thread_interrupt_checkpoint (mb);
5394 if (klass->valuetype) {
5395 mono_mb_emit_op (mb, CEE_UNBOX, klass);
5396 pos1 = mono_mb_emit_branch (mb, CEE_BR);
5398 mono_mb_emit_byte (mb, CEE_RET);
5402 mono_mb_patch_branch (mb, pos0);
5404 mono_mb_emit_ldarg (mb, 0);
5405 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5406 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
5407 mono_mb_emit_ldarg (mb, 3);
5408 mono_mb_emit_byte (mb, CEE_ADD);
5410 if (klass->valuetype)
5411 mono_mb_patch_branch (mb, pos1);
5416 case MONO_TYPE_BOOLEAN:
5417 case MONO_TYPE_CHAR:
5426 case MONO_TYPE_ARRAY:
5427 case MONO_TYPE_SZARRAY:
5428 case MONO_TYPE_OBJECT:
5429 case MONO_TYPE_CLASS:
5430 case MONO_TYPE_STRING:
5434 case MONO_TYPE_FNPTR:
5435 mono_mb_emit_byte (mb, mono_type_to_ldind (type));
5437 case MONO_TYPE_VALUETYPE:
5438 g_assert (!klass->enumtype);
5439 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
5441 case MONO_TYPE_GENERICINST:
5442 if (mono_type_generic_inst_is_valuetype (type)) {
5443 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
5445 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5449 case MONO_TYPE_MVAR:
5450 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
5453 g_warning ("type %x not implemented", type->type);
5454 g_assert_not_reached ();
5457 mono_mb_emit_byte (mb, CEE_RET);
5458 #endif /* DISABLE_JIT */
5460 res = mono_mb_create_and_cache (cache, klass,
5461 mb, sig, sig->param_count + 16);
5468 * mono_marshal_get_ldflda_wrapper:
5469 * @type: the type of the field
5471 * This method generates a function which can be used to load a field address
5472 * from an object. The generated function has the following signature:
5473 * gpointer ldflda_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset);
5476 mono_marshal_get_ldflda_wrapper (MonoType *type)
5478 MonoMethodSignature *sig;
5479 MonoMethodBuilder *mb;
5484 int t, pos0, pos1, pos2, pos3;
5486 type = mono_type_get_underlying_type (type);
5490 if (type->type == MONO_TYPE_SZARRAY) {
5491 klass = mono_defaults.array_class;
5492 } else if (type->type == MONO_TYPE_VALUETYPE) {
5493 klass = type->data.klass;
5494 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING ||
5495 t == MONO_TYPE_CLASS) {
5496 klass = mono_defaults.object_class;
5497 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
5498 klass = mono_defaults.int_class;
5499 } else if (t == MONO_TYPE_GENERICINST) {
5500 if (mono_type_generic_inst_is_valuetype (type))
5501 klass = mono_class_from_mono_type (type);
5503 klass = mono_defaults.object_class;
5505 klass = mono_class_from_mono_type (type);
5508 klass = mono_defaults.int_class;
5511 cache = get_cache (&klass->image->ldflda_wrapper_cache, mono_aligned_addr_hash, NULL);
5512 if ((res = mono_marshal_find_in_cache (cache, klass)))
5515 /* we add the %p pointer value of klass because class names are not unique */
5516 name = g_strdup_printf ("__ldflda_wrapper_%p_%s.%s", klass, klass->name_space, klass->name);
5517 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_LDFLDA);
5520 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
5521 sig->params [0] = &mono_defaults.object_class->byval_arg;
5522 sig->params [1] = &mono_defaults.int_class->byval_arg;
5523 sig->params [2] = &mono_defaults.int_class->byval_arg;
5524 sig->params [3] = &mono_defaults.int_class->byval_arg;
5525 sig->ret = &mono_defaults.int_class->byval_arg;
5528 /* if typeof (this) != transparent_proxy goto pos0 */
5529 mono_mb_emit_ldarg (mb, 0);
5530 pos0 = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
5532 /* if same_appdomain goto pos1 */
5533 mono_mb_emit_ldarg (mb, 0);
5534 pos1 = mono_mb_emit_xdomain_check (mb, CEE_BEQ);
5536 mono_mb_emit_exception_full (mb, "System", "InvalidOperationException", "Attempt to load field address from object in another appdomain.");
5538 /* same app domain */
5539 mono_mb_patch_branch (mb, pos1);
5541 /* if typeof (this) != contextbound goto pos2 */
5542 mono_mb_emit_ldarg (mb, 0);
5543 pos2 = mono_mb_emit_contextbound_check (mb, CEE_BEQ);
5545 /* if this->rp->context == mono_context_get goto pos3 */
5546 mono_mb_emit_ldarg (mb, 0);
5547 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
5548 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5549 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoRealProxy, context));
5550 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5551 mono_mb_emit_icall (mb, mono_context_get);
5552 pos3 = mono_mb_emit_branch (mb, CEE_BEQ);
5554 mono_mb_emit_exception_full (mb, "System", "InvalidOperationException", "Attempt to load field address from object in another context.");
5556 mono_mb_patch_branch (mb, pos2);
5557 mono_mb_patch_branch (mb, pos3);
5559 /* return the address of the field from this->rp->unwrapped_server */
5560 mono_mb_emit_ldarg (mb, 0);
5561 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
5562 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5563 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoRealProxy, unwrapped_server));
5564 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5565 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5566 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
5567 mono_mb_emit_ldarg (mb, 3);
5568 mono_mb_emit_byte (mb, CEE_ADD);
5569 mono_mb_emit_byte (mb, CEE_RET);
5571 /* not a proxy: return the address of the field directly */
5572 mono_mb_patch_branch (mb, pos0);
5574 mono_mb_emit_ldarg (mb, 0);
5575 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5576 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
5577 mono_mb_emit_ldarg (mb, 3);
5578 mono_mb_emit_byte (mb, CEE_ADD);
5580 mono_mb_emit_byte (mb, CEE_RET);
5583 res = mono_mb_create_and_cache (cache, klass,
5584 mb, sig, sig->param_count + 16);
5591 * mono_marshal_get_stfld_remote_wrapper:
5592 * klass: The type of the field
5594 * This function generates a wrapper for calling mono_store_remote_field_new
5595 * with the appropriate signature.
5596 * Similarly to mono_marshal_get_ldfld_remote_wrapper () this doesn't depend on the
5597 * klass argument anymore.
5600 mono_marshal_get_stfld_remote_wrapper (MonoClass *klass)
5602 MonoMethodSignature *sig, *csig;
5603 MonoMethodBuilder *mb;
5605 static MonoMethod *cached = NULL;
5607 mono_marshal_lock ();
5609 mono_marshal_unlock ();
5612 mono_marshal_unlock ();
5614 mb = mono_mb_new_no_dup_name (mono_defaults.object_class, "__mono_store_remote_field_new_wrapper", MONO_WRAPPER_STFLD_REMOTE);
5616 mb->method->save_lmf = 1;
5618 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
5619 sig->params [0] = &mono_defaults.object_class->byval_arg;
5620 sig->params [1] = &mono_defaults.int_class->byval_arg;
5621 sig->params [2] = &mono_defaults.int_class->byval_arg;
5622 sig->params [3] = &mono_defaults.object_class->byval_arg;
5623 sig->ret = &mono_defaults.void_class->byval_arg;
5626 mono_mb_emit_ldarg (mb, 0);
5627 mono_mb_emit_ldarg (mb, 1);
5628 mono_mb_emit_ldarg (mb, 2);
5629 mono_mb_emit_ldarg (mb, 3);
5631 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
5632 csig->params [0] = &mono_defaults.object_class->byval_arg;
5633 csig->params [1] = &mono_defaults.int_class->byval_arg;
5634 csig->params [2] = &mono_defaults.int_class->byval_arg;
5635 csig->params [3] = &mono_defaults.object_class->byval_arg;
5636 csig->ret = &mono_defaults.void_class->byval_arg;
5639 mono_mb_emit_native_call (mb, csig, mono_store_remote_field_new);
5640 emit_thread_interrupt_checkpoint (mb);
5642 mono_mb_emit_byte (mb, CEE_RET);
5645 mono_marshal_lock ();
5647 mono_marshal_unlock ();
5650 newm = mono_mb_create_method (mb, sig, 6);
5651 mono_marshal_lock ();
5656 mono_marshal_unlock ();
5658 mono_marshal_unlock ();
5659 mono_free_method (newm);
5668 * mono_marshal_get_stfld_wrapper:
5669 * @type: the type of the field
5671 * This method generates a function which can be use to store a field with type
5672 * @type. The generated function has the following signature:
5673 * void stfld_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset, <@type> val)
5676 mono_marshal_get_stfld_wrapper (MonoType *type)
5678 MonoMethodSignature *sig;
5679 MonoMethodBuilder *mb;
5686 type = mono_type_get_underlying_type (type);
5690 if (type->type == MONO_TYPE_SZARRAY) {
5691 klass = mono_defaults.array_class;
5692 } else if (type->type == MONO_TYPE_VALUETYPE) {
5693 klass = type->data.klass;
5694 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING) {
5695 klass = mono_defaults.object_class;
5696 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
5697 klass = mono_defaults.int_class;
5698 } else if (t == MONO_TYPE_GENERICINST) {
5699 if (mono_type_generic_inst_is_valuetype (type))
5700 klass = mono_class_from_mono_type (type);
5702 klass = mono_defaults.object_class;
5704 klass = mono_class_from_mono_type (type);
5707 klass = mono_defaults.int_class;
5710 cache = get_cache (&klass->image->stfld_wrapper_cache, mono_aligned_addr_hash, NULL);
5711 if ((res = mono_marshal_find_in_cache (cache, klass)))
5714 /* we add the %p pointer value of klass because class names are not unique */
5715 name = g_strdup_printf ("__stfld_wrapper_%p_%s.%s", klass, klass->name_space, klass->name);
5716 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_STFLD);
5719 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 5);
5720 sig->params [0] = &mono_defaults.object_class->byval_arg;
5721 sig->params [1] = &mono_defaults.int_class->byval_arg;
5722 sig->params [2] = &mono_defaults.int_class->byval_arg;
5723 sig->params [3] = &mono_defaults.int_class->byval_arg;
5724 sig->params [4] = &klass->byval_arg;
5725 sig->ret = &mono_defaults.void_class->byval_arg;
5728 mono_mb_emit_ldarg (mb, 0);
5729 pos = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
5731 mono_mb_emit_ldarg (mb, 0);
5732 mono_mb_emit_ldarg (mb, 1);
5733 mono_mb_emit_ldarg (mb, 2);
5734 mono_mb_emit_ldarg (mb, 4);
5735 if (klass->valuetype)
5736 mono_mb_emit_op (mb, CEE_BOX, klass);
5738 mono_mb_emit_managed_call (mb, mono_marshal_get_stfld_remote_wrapper (klass), NULL);
5740 mono_mb_emit_byte (mb, CEE_RET);
5742 mono_mb_patch_branch (mb, pos);
5744 mono_mb_emit_ldarg (mb, 0);
5745 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5746 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
5747 mono_mb_emit_ldarg (mb, 3);
5748 mono_mb_emit_byte (mb, CEE_ADD);
5749 mono_mb_emit_ldarg (mb, 4);
5754 case MONO_TYPE_BOOLEAN:
5755 case MONO_TYPE_CHAR:
5764 case MONO_TYPE_ARRAY:
5765 case MONO_TYPE_SZARRAY:
5766 case MONO_TYPE_OBJECT:
5767 case MONO_TYPE_CLASS:
5768 case MONO_TYPE_STRING:
5772 case MONO_TYPE_FNPTR:
5773 mono_mb_emit_byte (mb, mono_type_to_stind (type));
5775 case MONO_TYPE_VALUETYPE:
5776 g_assert (!klass->enumtype);
5777 mono_mb_emit_op (mb, CEE_STOBJ, klass);
5779 case MONO_TYPE_GENERICINST:
5781 case MONO_TYPE_MVAR:
5782 mono_mb_emit_op (mb, CEE_STOBJ, klass);
5785 g_warning ("type %x not implemented", type->type);
5786 g_assert_not_reached ();
5789 mono_mb_emit_byte (mb, CEE_RET);
5792 res = mono_mb_create_and_cache (cache, klass,
5793 mb, sig, sig->param_count + 16);
5798 #endif /* DISABLE_REMOTING */
5801 * generates IL code for the icall wrapper (the generated method
5802 * calls the unmanaged code in func)
5803 * The wrapper info for the wrapper is a WrapperInfo structure.
5806 mono_marshal_get_icall_wrapper (MonoMethodSignature *sig, const char *name, gconstpointer func, gboolean check_exceptions)
5808 MonoMethodSignature *csig, *csig2;
5809 MonoMethodBuilder *mb;
5814 g_assert (sig->pinvoke);
5816 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_MANAGED_TO_NATIVE);
5818 mb->method->save_lmf = 1;
5820 /* Add an explicit this argument */
5822 csig2 = signature_dup_add_this (mono_defaults.corlib, sig, mono_defaults.object_class);
5824 csig2 = signature_dup (mono_defaults.corlib, sig);
5828 mono_mb_emit_byte (mb, CEE_LDARG_0);
5830 for (i = 0; i < sig->param_count; i++)
5831 mono_mb_emit_ldarg (mb, i + sig->hasthis);
5833 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5834 mono_mb_emit_op (mb, CEE_MONO_JIT_ICALL_ADDR, (gpointer)func);
5835 mono_mb_emit_calli (mb, csig2);
5836 if (check_exceptions)
5837 emit_thread_interrupt_checkpoint (mb);
5838 mono_mb_emit_byte (mb, CEE_RET);
5841 csig = signature_dup (mono_defaults.corlib, sig);
5843 if (csig->call_convention == MONO_CALL_VARARG)
5844 csig->call_convention = 0;
5846 res = mono_mb_create_method (mb, csig, csig->param_count + 16);
5849 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_ICALL_WRAPPER);
5850 info->d.icall.func = (gpointer)func;
5851 mono_marshal_set_wrapper_info (res, info);
5857 emit_marshal_custom (EmitMarshalContext *m, int argnum, MonoType *t,
5858 MonoMarshalSpec *spec,
5859 int conv_arg, MonoType **conv_arg_type,
5860 MarshalAction action)
5863 if (action == MARSHAL_ACTION_CONV_IN && t->type == MONO_TYPE_VALUETYPE)
5864 *conv_arg_type = &mono_defaults.int_class->byval_arg;
5869 static MonoClass *ICustomMarshaler = NULL;
5870 static MonoMethod *cleanup_native, *cleanup_managed;
5871 static MonoMethod *marshal_managed_to_native, *marshal_native_to_managed;
5872 MonoMethod *get_instance = NULL;
5873 MonoMethodBuilder *mb = m->mb;
5874 char *exception_msg = NULL;
5878 if (!ICustomMarshaler) {
5879 ICustomMarshaler = mono_class_from_name (mono_defaults.corlib, "System.Runtime.InteropServices", "ICustomMarshaler");
5880 if (!ICustomMarshaler) {
5881 exception_msg = g_strdup ("Current profile doesn't support ICustomMarshaler");
5882 goto handle_exception;
5885 cleanup_native = mono_class_get_method_from_name (ICustomMarshaler, "CleanUpNativeData", 1);
5886 g_assert (cleanup_native);
5887 cleanup_managed = mono_class_get_method_from_name (ICustomMarshaler, "CleanUpManagedData", 1);
5888 g_assert (cleanup_managed);
5889 marshal_managed_to_native = mono_class_get_method_from_name (ICustomMarshaler, "MarshalManagedToNative", 1);
5890 g_assert (marshal_managed_to_native);
5891 marshal_native_to_managed = mono_class_get_method_from_name (ICustomMarshaler, "MarshalNativeToManaged", 1);
5892 g_assert (marshal_native_to_managed);
5895 mtype = mono_reflection_type_from_name (spec->data.custom_data.custom_name, m->image);
5896 g_assert (mtype != NULL);
5897 mklass = mono_class_from_mono_type (mtype);
5898 g_assert (mklass != NULL);
5900 if (!mono_class_is_assignable_from (ICustomMarshaler, mklass))
5901 exception_msg = g_strdup_printf ("Custom marshaler '%s' does not implement the ICustomMarshaler interface.", mklass->name);
5903 get_instance = mono_class_get_method_from_name_flags (mklass, "GetInstance", 1, METHOD_ATTRIBUTE_STATIC);
5905 MonoMethodSignature *get_sig = mono_method_signature (get_instance);
5906 if ((get_sig->ret->type != MONO_TYPE_CLASS) ||
5907 (mono_class_from_mono_type (get_sig->ret) != ICustomMarshaler) ||
5908 (get_sig->params [0]->type != MONO_TYPE_STRING))
5909 get_instance = NULL;
5913 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);
5916 /* Throw exception and emit compensation code if neccesary */
5917 if (exception_msg) {
5919 case MARSHAL_ACTION_CONV_IN:
5920 case MARSHAL_ACTION_CONV_RESULT:
5921 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
5922 if ((action == MARSHAL_ACTION_CONV_RESULT) || (action == MARSHAL_ACTION_MANAGED_CONV_RESULT))
5923 mono_mb_emit_byte (mb, CEE_POP);
5925 mono_mb_emit_exception_full (mb, "System", "ApplicationException", exception_msg);
5926 g_free (exception_msg);
5929 case MARSHAL_ACTION_PUSH:
5930 mono_mb_emit_byte (mb, CEE_LDNULL);
5938 /* FIXME: MS.NET seems to create one instance for each klass + cookie pair */
5939 /* FIXME: MS.NET throws an exception if GetInstance returns null */
5942 case MARSHAL_ACTION_CONV_IN:
5944 case MONO_TYPE_CLASS:
5945 case MONO_TYPE_OBJECT:
5946 case MONO_TYPE_STRING:
5947 case MONO_TYPE_ARRAY:
5948 case MONO_TYPE_SZARRAY:
5949 case MONO_TYPE_VALUETYPE:
5953 g_warning ("custom marshalling of type %x is currently not supported", t->type);
5954 g_assert_not_reached ();
5958 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5960 mono_mb_emit_byte (mb, CEE_LDNULL);
5961 mono_mb_emit_stloc (mb, conv_arg);
5963 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT))
5966 /* Minic MS.NET behavior */
5967 if (!t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT) && !(t->attrs & PARAM_ATTRIBUTE_IN))
5970 /* Check for null */
5971 mono_mb_emit_ldarg (mb, argnum);
5973 mono_mb_emit_byte (mb, CEE_LDIND_I);
5974 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5976 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5978 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5980 mono_mb_emit_ldarg (mb, argnum);
5982 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5984 if (t->type == MONO_TYPE_VALUETYPE) {
5986 * Since we can't determine the type of the argument, we
5987 * will assume the unmanaged function takes a pointer.
5989 *conv_arg_type = &mono_defaults.int_class->byval_arg;
5991 mono_mb_emit_op (mb, CEE_BOX, mono_class_from_mono_type (t));
5994 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_managed_to_native);
5995 mono_mb_emit_stloc (mb, conv_arg);
5997 mono_mb_patch_branch (mb, pos2);
6000 case MARSHAL_ACTION_CONV_OUT:
6001 /* Check for null */
6002 mono_mb_emit_ldloc (mb, conv_arg);
6003 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6006 mono_mb_emit_ldarg (mb, argnum);
6008 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
6010 mono_mb_emit_op (mb, CEE_CALL, get_instance);
6012 mono_mb_emit_ldloc (mb, conv_arg);
6013 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
6014 mono_mb_emit_byte (mb, CEE_STIND_REF);
6015 } else if (t->attrs & PARAM_ATTRIBUTE_OUT) {
6016 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
6018 mono_mb_emit_op (mb, CEE_CALL, get_instance);
6020 mono_mb_emit_ldloc (mb, conv_arg);
6021 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
6023 /* We have nowhere to store the result */
6024 mono_mb_emit_byte (mb, CEE_POP);
6027 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
6029 mono_mb_emit_op (mb, CEE_CALL, get_instance);
6031 mono_mb_emit_ldloc (mb, conv_arg);
6033 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_native);
6035 mono_mb_patch_branch (mb, pos2);
6038 case MARSHAL_ACTION_PUSH:
6040 mono_mb_emit_ldloc_addr (mb, conv_arg);
6042 mono_mb_emit_ldloc (mb, conv_arg);
6045 case MARSHAL_ACTION_CONV_RESULT:
6046 loc1 = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6048 mono_mb_emit_stloc (mb, 3);
6050 mono_mb_emit_ldloc (mb, 3);
6051 mono_mb_emit_stloc (mb, loc1);
6053 /* Check for null */
6054 mono_mb_emit_ldloc (mb, 3);
6055 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6057 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
6059 mono_mb_emit_op (mb, CEE_CALL, get_instance);
6060 mono_mb_emit_byte (mb, CEE_DUP);
6062 mono_mb_emit_ldloc (mb, 3);
6063 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
6064 mono_mb_emit_stloc (mb, 3);
6066 mono_mb_emit_ldloc (mb, loc1);
6067 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_native);
6069 mono_mb_patch_branch (mb, pos2);
6072 case MARSHAL_ACTION_MANAGED_CONV_IN:
6073 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
6075 mono_mb_emit_byte (mb, CEE_LDNULL);
6076 mono_mb_emit_stloc (mb, conv_arg);
6078 if (t->byref && t->attrs & PARAM_ATTRIBUTE_OUT)
6081 /* Check for null */
6082 mono_mb_emit_ldarg (mb, argnum);
6084 mono_mb_emit_byte (mb, CEE_LDIND_I);
6085 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6087 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
6088 mono_mb_emit_op (mb, CEE_CALL, get_instance);
6090 mono_mb_emit_ldarg (mb, argnum);
6092 mono_mb_emit_byte (mb, CEE_LDIND_I);
6094 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
6095 mono_mb_emit_stloc (mb, conv_arg);
6097 mono_mb_patch_branch (mb, pos2);
6100 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
6101 g_assert (!t->byref);
6103 loc1 = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
6105 mono_mb_emit_stloc (mb, 3);
6107 mono_mb_emit_ldloc (mb, 3);
6108 mono_mb_emit_stloc (mb, loc1);
6110 /* Check for null */
6111 mono_mb_emit_ldloc (mb, 3);
6112 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6114 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
6115 mono_mb_emit_op (mb, CEE_CALL, get_instance);
6116 mono_mb_emit_byte (mb, CEE_DUP);
6118 mono_mb_emit_ldloc (mb, 3);
6119 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_managed_to_native);
6120 mono_mb_emit_stloc (mb, 3);
6122 mono_mb_emit_ldloc (mb, loc1);
6123 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_managed);
6125 mono_mb_patch_branch (mb, pos2);
6128 case MARSHAL_ACTION_MANAGED_CONV_OUT:
6130 /* Check for null */
6131 mono_mb_emit_ldloc (mb, conv_arg);
6132 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6135 mono_mb_emit_ldarg (mb, argnum);
6137 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
6139 mono_mb_emit_op (mb, CEE_CALL, get_instance);
6141 mono_mb_emit_ldloc (mb, conv_arg);
6142 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_managed_to_native);
6143 mono_mb_emit_byte (mb, CEE_STIND_I);
6146 /* Call CleanUpManagedData */
6147 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
6149 mono_mb_emit_op (mb, CEE_CALL, get_instance);
6151 mono_mb_emit_ldloc (mb, conv_arg);
6152 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_managed);
6154 mono_mb_patch_branch (mb, pos2);
6158 g_assert_not_reached ();
6166 emit_marshal_asany (EmitMarshalContext *m, int argnum, MonoType *t,
6167 MonoMarshalSpec *spec,
6168 int conv_arg, MonoType **conv_arg_type,
6169 MarshalAction action)
6172 MonoMethodBuilder *mb = m->mb;
6175 case MARSHAL_ACTION_CONV_IN: {
6176 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, NULL);
6178 g_assert (t->type == MONO_TYPE_OBJECT);
6179 g_assert (!t->byref);
6181 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6182 mono_mb_emit_ldarg (mb, argnum);
6183 mono_mb_emit_icon (mb, encoding);
6184 mono_mb_emit_icon (mb, t->attrs);
6185 mono_mb_emit_icall (mb, mono_marshal_asany);
6186 mono_mb_emit_stloc (mb, conv_arg);
6190 case MARSHAL_ACTION_PUSH:
6191 mono_mb_emit_ldloc (mb, conv_arg);
6194 case MARSHAL_ACTION_CONV_OUT: {
6195 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, NULL);
6197 mono_mb_emit_ldarg (mb, argnum);
6198 mono_mb_emit_ldloc (mb, conv_arg);
6199 mono_mb_emit_icon (mb, encoding);
6200 mono_mb_emit_icon (mb, t->attrs);
6201 mono_mb_emit_icall (mb, mono_marshal_free_asany);
6206 g_assert_not_reached ();
6213 emit_marshal_vtype (EmitMarshalContext *m, int argnum, MonoType *t,
6214 MonoMarshalSpec *spec,
6215 int conv_arg, MonoType **conv_arg_type,
6216 MarshalAction action)
6219 MonoMethodBuilder *mb = m->mb;
6220 MonoClass *klass, *date_time_class;
6223 klass = mono_class_from_mono_type (t);
6225 date_time_class = mono_class_from_name_cached (mono_defaults.corlib, "System", "DateTime");
6228 case MARSHAL_ACTION_CONV_IN:
6229 if (klass == date_time_class) {
6230 /* Convert it to an OLE DATE type */
6231 static MonoMethod *to_oadate;
6234 to_oadate = mono_class_get_method_from_name (date_time_class, "ToOADate", 0);
6235 g_assert (to_oadate);
6237 conv_arg = mono_mb_add_local (mb, &mono_defaults.double_class->byval_arg);
6240 mono_mb_emit_ldarg (mb, argnum);
6241 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6244 if (!(t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && (t->attrs & PARAM_ATTRIBUTE_OUT))) {
6246 m->csig->params [argnum - m->csig->hasthis] = &mono_defaults.double_class->byval_arg;
6248 mono_mb_emit_ldarg_addr (mb, argnum);
6249 mono_mb_emit_managed_call (mb, to_oadate, NULL);
6250 mono_mb_emit_stloc (mb, conv_arg);
6254 mono_mb_patch_branch (mb, pos);
6258 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6259 klass->blittable || klass->enumtype)
6262 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6264 /* store the address of the source into local variable 0 */
6266 mono_mb_emit_ldarg (mb, argnum);
6268 mono_mb_emit_ldarg_addr (mb, argnum);
6270 mono_mb_emit_stloc (mb, 0);
6272 /* allocate space for the native struct and
6273 * store the address into local variable 1 (dest) */
6274 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
6275 mono_mb_emit_byte (mb, CEE_PREFIX1);
6276 mono_mb_emit_byte (mb, CEE_LOCALLOC);
6277 mono_mb_emit_stloc (mb, conv_arg);
6280 mono_mb_emit_ldloc (mb, 0);
6281 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6284 if (!(t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && (t->attrs & PARAM_ATTRIBUTE_OUT))) {
6286 mono_mb_emit_ldloc (mb, conv_arg);
6287 mono_mb_emit_stloc (mb, 1);
6289 /* emit valuetype conversion code */
6290 emit_struct_conv (mb, klass, FALSE);
6294 mono_mb_patch_branch (mb, pos);
6297 case MARSHAL_ACTION_PUSH:
6298 if (spec && spec->native == MONO_NATIVE_LPSTRUCT) {
6300 g_assert (!t->byref);
6302 /* Have to change the signature since the vtype is passed byref */
6303 m->csig->params [argnum - m->csig->hasthis] = &mono_defaults.int_class->byval_arg;
6305 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6306 klass->blittable || klass->enumtype)
6307 mono_mb_emit_ldarg_addr (mb, argnum);
6309 mono_mb_emit_ldloc (mb, conv_arg);
6313 if (klass == date_time_class) {
6315 mono_mb_emit_ldloc_addr (mb, conv_arg);
6317 mono_mb_emit_ldloc (mb, conv_arg);
6321 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6322 klass->blittable || klass->enumtype) {
6323 mono_mb_emit_ldarg (mb, argnum);
6326 mono_mb_emit_ldloc (mb, conv_arg);
6328 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6329 mono_mb_emit_op (mb, CEE_MONO_LDNATIVEOBJ, klass);
6333 case MARSHAL_ACTION_CONV_OUT:
6334 if (klass == date_time_class) {
6335 /* Convert from an OLE DATE type */
6336 static MonoMethod *from_oadate;
6341 if (!((t->attrs & PARAM_ATTRIBUTE_IN) && !(t->attrs & PARAM_ATTRIBUTE_OUT))) {
6343 from_oadate = mono_class_get_method_from_name (date_time_class, "FromOADate", 1);
6344 g_assert (from_oadate);
6346 mono_mb_emit_ldarg (mb, argnum);
6347 mono_mb_emit_ldloc (mb, conv_arg);
6348 mono_mb_emit_managed_call (mb, from_oadate, NULL);
6349 mono_mb_emit_op (mb, CEE_STOBJ, date_time_class);
6354 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6355 klass->blittable || klass->enumtype)
6359 /* dst = argument */
6360 mono_mb_emit_ldarg (mb, argnum);
6361 mono_mb_emit_stloc (mb, 1);
6363 mono_mb_emit_ldloc (mb, 1);
6364 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6366 if (!((t->attrs & PARAM_ATTRIBUTE_IN) && !(t->attrs & PARAM_ATTRIBUTE_OUT))) {
6367 /* src = tmp_locals [i] */
6368 mono_mb_emit_ldloc (mb, conv_arg);
6369 mono_mb_emit_stloc (mb, 0);
6371 /* emit valuetype conversion code */
6372 emit_struct_conv (mb, klass, TRUE);
6376 emit_struct_free (mb, klass, conv_arg);
6379 mono_mb_patch_branch (mb, pos);
6382 case MARSHAL_ACTION_CONV_RESULT:
6383 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6385 mono_mb_emit_stloc (mb, 3);
6389 /* load pointer to returned value type */
6390 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6391 mono_mb_emit_byte (mb, CEE_MONO_VTADDR);
6392 /* store the address of the source into local variable 0 */
6393 mono_mb_emit_stloc (mb, 0);
6395 mono_mb_emit_ldloc_addr (mb, 3);
6396 mono_mb_emit_stloc (mb, 1);
6398 /* emit valuetype conversion code */
6399 emit_struct_conv (mb, klass, TRUE);
6402 case MARSHAL_ACTION_MANAGED_CONV_IN:
6403 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6404 klass->blittable || klass->enumtype) {
6409 conv_arg = mono_mb_add_local (mb, &klass->byval_arg);
6411 if (t->attrs & PARAM_ATTRIBUTE_OUT)
6415 mono_mb_emit_ldarg (mb, argnum);
6417 mono_mb_emit_ldarg_addr (mb, argnum);
6418 mono_mb_emit_stloc (mb, 0);
6421 mono_mb_emit_ldloc (mb, 0);
6422 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6425 mono_mb_emit_ldloc_addr (mb, conv_arg);
6426 mono_mb_emit_stloc (mb, 1);
6428 /* emit valuetype conversion code */
6429 emit_struct_conv (mb, klass, TRUE);
6432 mono_mb_patch_branch (mb, pos);
6435 case MARSHAL_ACTION_MANAGED_CONV_OUT:
6436 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6437 klass->blittable || klass->enumtype) {
6441 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_IN) && !(t->attrs & PARAM_ATTRIBUTE_OUT))
6444 /* Check for null */
6445 mono_mb_emit_ldarg (mb, argnum);
6446 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6449 mono_mb_emit_ldloc_addr (mb, conv_arg);
6450 mono_mb_emit_stloc (mb, 0);
6453 mono_mb_emit_ldarg (mb, argnum);
6454 mono_mb_emit_stloc (mb, 1);
6456 /* emit valuetype conversion code */
6457 emit_struct_conv (mb, klass, FALSE);
6459 mono_mb_patch_branch (mb, pos2);
6462 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
6463 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6464 klass->blittable || klass->enumtype) {
6465 mono_mb_emit_stloc (mb, 3);
6470 /* load pointer to returned value type */
6471 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6472 mono_mb_emit_byte (mb, CEE_MONO_VTADDR);
6474 /* store the address of the source into local variable 0 */
6475 mono_mb_emit_stloc (mb, 0);
6476 /* allocate space for the native struct and
6477 * store the address into dst_ptr */
6478 m->retobj_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6479 m->retobj_class = klass;
6480 g_assert (m->retobj_var);
6481 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
6482 mono_mb_emit_byte (mb, CEE_CONV_I);
6483 mono_mb_emit_icall (mb, mono_marshal_alloc);
6484 mono_mb_emit_stloc (mb, 1);
6485 mono_mb_emit_ldloc (mb, 1);
6486 mono_mb_emit_stloc (mb, m->retobj_var);
6488 /* emit valuetype conversion code */
6489 emit_struct_conv (mb, klass, FALSE);
6493 g_assert_not_reached ();
6500 emit_marshal_string (EmitMarshalContext *m, int argnum, MonoType *t,
6501 MonoMarshalSpec *spec,
6502 int conv_arg, MonoType **conv_arg_type,
6503 MarshalAction action)
6507 case MARSHAL_ACTION_CONV_IN:
6508 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6510 case MARSHAL_ACTION_MANAGED_CONV_IN:
6511 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6515 MonoMethodBuilder *mb = m->mb;
6516 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
6517 MonoMarshalConv conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
6521 case MARSHAL_ACTION_CONV_IN:
6522 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6523 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6526 if (t->attrs & PARAM_ATTRIBUTE_OUT)
6529 mono_mb_emit_ldarg (mb, argnum);
6530 mono_mb_emit_byte (mb, CEE_LDIND_I);
6532 mono_mb_emit_ldarg (mb, argnum);
6536 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
6537 mono_mb_emit_exception_marshal_directive (mb, msg);
6539 mono_mb_emit_icall (mb, conv_to_icall (conv));
6541 mono_mb_emit_stloc (mb, conv_arg);
6545 case MARSHAL_ACTION_CONV_OUT:
6546 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
6548 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
6549 mono_mb_emit_exception_marshal_directive (mb, msg);
6553 if (encoding == MONO_NATIVE_VBBYREFSTR) {
6554 static MonoMethod *m;
6557 m = mono_class_get_method_from_name_flags (mono_defaults.string_class, "get_Length", -1, 0);
6562 char *msg = g_strdup_printf ("VBByRefStr marshalling requires a ref parameter.", encoding);
6563 mono_mb_emit_exception_marshal_directive (mb, msg);
6568 * Have to allocate a new string with the same length as the original, and
6569 * copy the contents of the buffer pointed to by CONV_ARG into it.
6571 g_assert (t->byref);
6572 mono_mb_emit_ldarg (mb, argnum);
6573 mono_mb_emit_ldloc (mb, conv_arg);
6574 mono_mb_emit_ldarg (mb, argnum);
6575 mono_mb_emit_byte (mb, CEE_LDIND_I);
6576 mono_mb_emit_managed_call (mb, m, NULL);
6577 mono_mb_emit_icall (mb, mono_string_new_len_wrapper);
6578 mono_mb_emit_byte (mb, CEE_STIND_REF);
6579 } else if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT || !(t->attrs & PARAM_ATTRIBUTE_IN))) {
6580 mono_mb_emit_ldarg (mb, argnum);
6581 mono_mb_emit_ldloc (mb, conv_arg);
6582 mono_mb_emit_icall (mb, conv_to_icall (conv));
6583 mono_mb_emit_byte (mb, CEE_STIND_REF);
6588 mono_mb_emit_ldloc (mb, conv_arg);
6589 if (conv == MONO_MARSHAL_CONV_BSTR_STR)
6590 mono_mb_emit_icall (mb, mono_free_bstr);
6592 mono_mb_emit_icall (mb, mono_marshal_free);
6596 case MARSHAL_ACTION_PUSH:
6597 if (t->byref && encoding != MONO_NATIVE_VBBYREFSTR)
6598 mono_mb_emit_ldloc_addr (mb, conv_arg);
6600 mono_mb_emit_ldloc (mb, conv_arg);
6603 case MARSHAL_ACTION_CONV_RESULT:
6604 mono_mb_emit_stloc (mb, 0);
6606 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
6608 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
6609 mono_mb_emit_exception_marshal_directive (mb, msg);
6613 mono_mb_emit_ldloc (mb, 0);
6614 mono_mb_emit_icall (mb, conv_to_icall (conv));
6615 mono_mb_emit_stloc (mb, 3);
6617 /* free the string */
6618 mono_mb_emit_ldloc (mb, 0);
6619 if (conv == MONO_MARSHAL_CONV_BSTR_STR)
6620 mono_mb_emit_icall (mb, mono_free_bstr);
6622 mono_mb_emit_icall (mb, mono_marshal_free);
6625 case MARSHAL_ACTION_MANAGED_CONV_IN:
6626 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
6628 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6631 if (t->attrs & PARAM_ATTRIBUTE_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 mono_mb_emit_ldarg (mb, argnum);
6644 mono_mb_emit_byte (mb, CEE_LDIND_I);
6645 mono_mb_emit_icall (mb, conv_to_icall (conv));
6646 mono_mb_emit_stloc (mb, conv_arg);
6649 case MARSHAL_ACTION_MANAGED_CONV_OUT:
6652 mono_mb_emit_ldarg (mb, argnum);
6653 mono_mb_emit_ldloc (mb, conv_arg);
6654 mono_mb_emit_icall (mb, conv_to_icall (conv));
6655 mono_mb_emit_byte (mb, CEE_STIND_I);
6660 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
6661 if (conv_to_icall (conv) == mono_marshal_string_to_utf16)
6662 /* We need to make a copy so the caller is able to free it */
6663 mono_mb_emit_icall (mb, mono_marshal_string_to_utf16_copy);
6665 mono_mb_emit_icall (mb, conv_to_icall (conv));
6666 mono_mb_emit_stloc (mb, 3);
6670 g_assert_not_reached ();
6678 emit_marshal_safehandle (EmitMarshalContext *m, int argnum, MonoType *t,
6679 MonoMarshalSpec *spec, int conv_arg,
6680 MonoType **conv_arg_type, MarshalAction action)
6683 if (action == MARSHAL_ACTION_CONV_IN)
6684 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6686 MonoMethodBuilder *mb = m->mb;
6689 case MARSHAL_ACTION_CONV_IN: {
6690 MonoType *intptr_type;
6691 int dar_release_slot, pos;
6693 intptr_type = &mono_defaults.int_class->byval_arg;
6694 conv_arg = mono_mb_add_local (mb, intptr_type);
6695 *conv_arg_type = intptr_type;
6697 if (!sh_dangerous_add_ref)
6698 init_safe_handle ();
6700 mono_mb_emit_ldarg (mb, argnum);
6701 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
6702 mono_mb_emit_exception (mb, "ArgumentNullException", NULL);
6704 mono_mb_patch_branch (mb, pos);
6707 * My tests in show that ref SafeHandles are not really
6708 * passed as ref objects. Instead a NULL is passed as the
6711 mono_mb_emit_icon (mb, 0);
6712 mono_mb_emit_stloc (mb, conv_arg);
6716 /* Create local to hold the ref parameter to DangerousAddRef */
6717 dar_release_slot = mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
6719 /* set release = false; */
6720 mono_mb_emit_icon (mb, 0);
6721 mono_mb_emit_stloc (mb, dar_release_slot);
6723 /* safehandle.DangerousAddRef (ref release) */
6724 mono_mb_emit_ldarg (mb, argnum);
6725 mono_mb_emit_ldloc_addr (mb, dar_release_slot);
6726 mono_mb_emit_managed_call (mb, sh_dangerous_add_ref, NULL);
6728 /* Pull the handle field from SafeHandle */
6729 mono_mb_emit_ldarg (mb, argnum);
6730 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoSafeHandle, handle));
6731 mono_mb_emit_byte (mb, CEE_LDIND_I);
6732 mono_mb_emit_stloc (mb, conv_arg);
6737 case MARSHAL_ACTION_PUSH:
6739 mono_mb_emit_ldloc_addr (mb, conv_arg);
6741 mono_mb_emit_ldloc (mb, conv_arg);
6744 case MARSHAL_ACTION_CONV_OUT: {
6745 /* The slot for the boolean is the next temporary created after conv_arg, see the CONV_IN code */
6746 int dar_release_slot = conv_arg + 1;
6749 if (!sh_dangerous_release)
6750 init_safe_handle ();
6756 * My tests indicate that ref SafeHandles parameters are not actually
6757 * passed by ref, but instead a new Handle is created regardless of
6758 * whether a change happens in the unmanaged side.
6760 * Also, the Handle is created before calling into unmanaged code,
6761 * but we do not support that mechanism (getting to the original
6762 * handle) and it makes no difference where we create this
6764 ctor = mono_class_get_method_from_name (t->data.klass, ".ctor", 0);
6766 mono_mb_emit_exception (mb, "MissingMethodException", "paramterless constructor required");
6769 /* refval = new SafeHandleDerived ()*/
6770 mono_mb_emit_ldarg (mb, argnum);
6771 mono_mb_emit_op (mb, CEE_NEWOBJ, ctor);
6772 mono_mb_emit_byte (mb, CEE_STIND_REF);
6774 /* refval.handle = returned_handle */
6775 mono_mb_emit_ldarg (mb, argnum);
6776 mono_mb_emit_byte (mb, CEE_LDIND_REF);
6777 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoSafeHandle, handle));
6778 mono_mb_emit_ldloc (mb, conv_arg);
6779 mono_mb_emit_byte (mb, CEE_STIND_I);
6781 mono_mb_emit_ldloc (mb, dar_release_slot);
6782 label_next = mono_mb_emit_branch (mb, CEE_BRFALSE);
6783 mono_mb_emit_ldarg (mb, argnum);
6784 mono_mb_emit_managed_call (mb, sh_dangerous_release, NULL);
6785 mono_mb_patch_branch (mb, label_next);
6790 case MARSHAL_ACTION_CONV_RESULT: {
6791 MonoMethod *ctor = NULL;
6792 int intptr_handle_slot;
6794 if (t->data.klass->flags & TYPE_ATTRIBUTE_ABSTRACT){
6795 mono_mb_emit_byte (mb, CEE_POP);
6796 mono_mb_emit_exception_marshal_directive (mb, g_strdup ("Returned SafeHandles should not be abstract"));
6800 ctor = mono_class_get_method_from_name (t->data.klass, ".ctor", 0);
6802 mono_mb_emit_byte (mb, CEE_POP);
6803 mono_mb_emit_exception (mb, "MissingMethodException", "paramterless constructor required");
6806 /* Store the IntPtr results into a local */
6807 intptr_handle_slot = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6808 mono_mb_emit_stloc (mb, intptr_handle_slot);
6810 /* Create return value */
6811 mono_mb_emit_op (mb, CEE_NEWOBJ, ctor);
6812 mono_mb_emit_stloc (mb, 3);
6814 /* Set the return.handle to the value, am using ldflda, not sure if thats a good idea */
6815 mono_mb_emit_ldloc (mb, 3);
6816 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoSafeHandle, handle));
6817 mono_mb_emit_ldloc (mb, intptr_handle_slot);
6818 mono_mb_emit_byte (mb, CEE_STIND_I);
6822 case MARSHAL_ACTION_MANAGED_CONV_IN:
6823 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_IN\n");
6826 case MARSHAL_ACTION_MANAGED_CONV_OUT:
6827 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_OUT\n");
6830 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
6831 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_RESULT\n");
6834 printf ("Unhandled case for MarshalAction: %d\n", action);
6842 emit_marshal_handleref (EmitMarshalContext *m, int argnum, MonoType *t,
6843 MonoMarshalSpec *spec, int conv_arg,
6844 MonoType **conv_arg_type, MarshalAction action)
6847 if (action == MARSHAL_ACTION_CONV_IN)
6848 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6850 MonoMethodBuilder *mb = m->mb;
6853 case MARSHAL_ACTION_CONV_IN: {
6854 MonoType *intptr_type;
6856 intptr_type = &mono_defaults.int_class->byval_arg;
6857 conv_arg = mono_mb_add_local (mb, intptr_type);
6858 *conv_arg_type = intptr_type;
6861 char *msg = g_strdup ("HandleRefs can not be returned from unmanaged code (or passed by ref)");
6862 mono_mb_emit_exception_marshal_directive (mb, msg);
6865 mono_mb_emit_ldarg_addr (mb, argnum);
6866 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoHandleRef, handle));
6867 mono_mb_emit_byte (mb, CEE_ADD);
6868 mono_mb_emit_byte (mb, CEE_LDIND_I);
6869 mono_mb_emit_stloc (mb, conv_arg);
6873 case MARSHAL_ACTION_PUSH:
6874 mono_mb_emit_ldloc (mb, conv_arg);
6877 case MARSHAL_ACTION_CONV_OUT: {
6878 /* no resource release required */
6882 case MARSHAL_ACTION_CONV_RESULT: {
6883 char *msg = g_strdup ("HandleRefs can not be returned from unmanaged code (or passed by ref)");
6884 mono_mb_emit_exception_marshal_directive (mb, msg);
6888 case MARSHAL_ACTION_MANAGED_CONV_IN:
6889 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_IN\n");
6892 case MARSHAL_ACTION_MANAGED_CONV_OUT:
6893 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_OUT\n");
6896 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
6897 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_RESULT\n");
6900 fprintf (stderr, "Unhandled case for MarshalAction: %d\n", action);
6908 emit_marshal_object (EmitMarshalContext *m, int argnum, MonoType *t,
6909 MonoMarshalSpec *spec,
6910 int conv_arg, MonoType **conv_arg_type,
6911 MarshalAction action)
6914 if (action == MARSHAL_ACTION_CONV_IN)
6915 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6917 MonoMethodBuilder *mb = m->mb;
6918 MonoClass *klass = mono_class_from_mono_type (t);
6922 case MARSHAL_ACTION_CONV_IN:
6923 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6924 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6926 m->orig_conv_args [argnum] = 0;
6928 if (mono_class_from_mono_type (t) == mono_defaults.object_class) {
6929 char *msg = g_strdup_printf ("Marshalling of type object is not implemented");
6930 mono_mb_emit_exception_marshal_directive (mb, msg);
6934 if (klass->delegate) {
6936 if (!(t->attrs & PARAM_ATTRIBUTE_OUT)) {
6937 char *msg = g_strdup_printf ("Byref marshalling of delegates is not implemented.");
6938 mono_mb_emit_exception_marshal_directive (mb, msg);
6940 mono_mb_emit_byte (mb, CEE_LDNULL);
6941 mono_mb_emit_stloc (mb, conv_arg);
6943 mono_mb_emit_ldarg (mb, argnum);
6944 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_DEL_FTN));
6945 mono_mb_emit_stloc (mb, conv_arg);
6947 } else if (klass == mono_defaults.stringbuilder_class) {
6948 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
6949 MonoMarshalConv conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
6953 if (!(t->attrs & PARAM_ATTRIBUTE_OUT)) {
6954 char *msg = g_strdup_printf ("Byref marshalling of stringbuilders is not implemented.");
6955 mono_mb_emit_exception_marshal_directive (mb, msg);
6961 if (t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && (t->attrs & PARAM_ATTRIBUTE_OUT))
6965 char *msg = g_strdup_printf ("stringbuilder marshalling conversion %d not implemented", encoding);
6966 mono_mb_emit_exception_marshal_directive (mb, msg);
6970 mono_mb_emit_ldarg (mb, argnum);
6972 mono_mb_emit_byte (mb, CEE_LDIND_I);
6974 mono_mb_emit_icall (mb, conv_to_icall (conv));
6975 mono_mb_emit_stloc (mb, conv_arg);
6976 } else if (klass->blittable) {
6977 mono_mb_emit_byte (mb, CEE_LDNULL);
6978 mono_mb_emit_stloc (mb, conv_arg);
6980 mono_mb_emit_ldarg (mb, argnum);
6981 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6983 mono_mb_emit_ldarg (mb, argnum);
6984 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6985 mono_mb_emit_stloc (mb, conv_arg);
6987 mono_mb_patch_branch (mb, pos);
6990 mono_mb_emit_byte (mb, CEE_LDNULL);
6991 mono_mb_emit_stloc (mb, conv_arg);
6994 /* we dont need any conversions for out parameters */
6995 if (t->attrs & PARAM_ATTRIBUTE_OUT)
6998 mono_mb_emit_ldarg (mb, argnum);
6999 mono_mb_emit_byte (mb, CEE_LDIND_I);
7002 mono_mb_emit_ldarg (mb, argnum);
7003 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
7004 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
7007 /* store the address of the source into local variable 0 */
7008 mono_mb_emit_stloc (mb, 0);
7009 mono_mb_emit_ldloc (mb, 0);
7010 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
7012 /* allocate space for the native struct and store the address */
7013 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
7014 mono_mb_emit_byte (mb, CEE_PREFIX1);
7015 mono_mb_emit_byte (mb, CEE_LOCALLOC);
7016 mono_mb_emit_stloc (mb, conv_arg);
7019 /* Need to store the original buffer so we can free it later */
7020 m->orig_conv_args [argnum] = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7021 mono_mb_emit_ldloc (mb, conv_arg);
7022 mono_mb_emit_stloc (mb, m->orig_conv_args [argnum]);
7025 /* set the src_ptr */
7026 mono_mb_emit_ldloc (mb, 0);
7027 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
7028 mono_mb_emit_stloc (mb, 0);
7031 mono_mb_emit_ldloc (mb, conv_arg);
7032 mono_mb_emit_stloc (mb, 1);
7034 /* emit valuetype conversion code */
7035 emit_struct_conv (mb, klass, FALSE);
7037 mono_mb_patch_branch (mb, pos);
7041 case MARSHAL_ACTION_CONV_OUT:
7042 if (klass == mono_defaults.stringbuilder_class) {
7044 MonoMarshalNative encoding;
7045 MonoMarshalConv conv;
7047 encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
7048 conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free);
7050 g_assert (encoding != -1);
7053 //g_assert (!(t->attrs & PARAM_ATTRIBUTE_OUT));
7057 mono_mb_emit_ldarg (mb, argnum);
7058 mono_mb_emit_ldloc (mb, conv_arg);
7061 case MONO_NATIVE_LPWSTR:
7062 mono_mb_emit_icall (mb, mono_string_utf16_to_builder2);
7064 case MONO_NATIVE_LPSTR:
7065 mono_mb_emit_icall (mb, mono_string_utf8_to_builder2);
7068 g_assert_not_reached ();
7071 mono_mb_emit_byte (mb, CEE_STIND_REF);
7073 mono_mb_emit_ldarg (mb, argnum);
7074 mono_mb_emit_ldloc (mb, conv_arg);
7076 mono_mb_emit_icall (mb, conv_to_icall (conv));
7080 mono_mb_emit_ldloc (mb, conv_arg);
7081 mono_mb_emit_icall (mb, mono_marshal_free);
7086 if (klass->delegate) {
7088 mono_mb_emit_ldarg (mb, argnum);
7089 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
7090 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
7091 mono_mb_emit_ldloc (mb, conv_arg);
7092 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_FTN_DEL));
7093 mono_mb_emit_byte (mb, CEE_STIND_REF);
7098 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT)) {
7099 /* allocate a new object */
7100 mono_mb_emit_ldarg (mb, argnum);
7101 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
7102 mono_mb_emit_op (mb, CEE_MONO_NEWOBJ, klass);
7103 mono_mb_emit_byte (mb, CEE_STIND_REF);
7106 /* dst = *argument */
7107 mono_mb_emit_ldarg (mb, argnum);
7110 mono_mb_emit_byte (mb, CEE_LDIND_I);
7112 mono_mb_emit_stloc (mb, 1);
7114 mono_mb_emit_ldloc (mb, 1);
7115 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
7117 if (t->byref || (t->attrs & PARAM_ATTRIBUTE_OUT)) {
7118 mono_mb_emit_ldloc (mb, 1);
7119 mono_mb_emit_icon (mb, sizeof (MonoObject));
7120 mono_mb_emit_byte (mb, CEE_ADD);
7121 mono_mb_emit_stloc (mb, 1);
7123 /* src = tmp_locals [i] */
7124 mono_mb_emit_ldloc (mb, conv_arg);
7125 mono_mb_emit_stloc (mb, 0);
7127 /* emit valuetype conversion code */
7128 emit_struct_conv (mb, klass, TRUE);
7130 /* Free the structure returned by the native code */
7131 emit_struct_free (mb, klass, conv_arg);
7133 if (m->orig_conv_args [argnum]) {
7135 * If the native function changed the pointer, then free
7136 * the original structure plus the new pointer.
7138 mono_mb_emit_ldloc (mb, m->orig_conv_args [argnum]);
7139 mono_mb_emit_ldloc (mb, conv_arg);
7140 pos2 = mono_mb_emit_branch (mb, CEE_BEQ);
7142 if (!(t->attrs & PARAM_ATTRIBUTE_OUT)) {
7143 g_assert (m->orig_conv_args [argnum]);
7145 emit_struct_free (mb, klass, m->orig_conv_args [argnum]);
7148 mono_mb_emit_ldloc (mb, conv_arg);
7149 mono_mb_emit_icall (mb, mono_marshal_free);
7151 mono_mb_patch_branch (mb, pos2);
7155 /* Free the original structure passed to native code */
7156 emit_struct_free (mb, klass, conv_arg);
7158 mono_mb_patch_branch (mb, pos);
7161 case MARSHAL_ACTION_PUSH:
7163 mono_mb_emit_ldloc_addr (mb, conv_arg);
7165 mono_mb_emit_ldloc (mb, conv_arg);
7168 case MARSHAL_ACTION_CONV_RESULT:
7169 if (klass->delegate) {
7170 g_assert (!t->byref);
7171 mono_mb_emit_stloc (mb, 0);
7172 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
7173 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
7174 mono_mb_emit_ldloc (mb, 0);
7175 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_FTN_DEL));
7176 mono_mb_emit_stloc (mb, 3);
7179 mono_mb_emit_stloc (mb, 0);
7181 /* Make a copy since emit_conv modifies local 0 */
7182 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7183 mono_mb_emit_ldloc (mb, 0);
7184 mono_mb_emit_stloc (mb, loc);
7186 mono_mb_emit_byte (mb, CEE_LDNULL);
7187 mono_mb_emit_stloc (mb, 3);
7189 mono_mb_emit_ldloc (mb, 0);
7190 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
7192 /* allocate result object */
7194 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
7195 mono_mb_emit_op (mb, CEE_MONO_NEWOBJ, klass);
7196 mono_mb_emit_stloc (mb, 3);
7200 mono_mb_emit_ldloc (mb, 3);
7201 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
7202 mono_mb_emit_stloc (mb, 1);
7204 /* emit conversion code */
7205 emit_struct_conv (mb, klass, TRUE);
7207 emit_struct_free (mb, klass, loc);
7209 /* Free the pointer allocated by unmanaged code */
7210 mono_mb_emit_ldloc (mb, loc);
7211 mono_mb_emit_icall (mb, mono_marshal_free);
7212 mono_mb_patch_branch (mb, pos);
7216 case MARSHAL_ACTION_MANAGED_CONV_IN:
7217 conv_arg = mono_mb_add_local (mb, &klass->byval_arg);
7219 if (klass->delegate) {
7220 g_assert (!t->byref);
7221 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
7222 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
7223 mono_mb_emit_ldarg (mb, argnum);
7224 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_FTN_DEL));
7225 mono_mb_emit_stloc (mb, conv_arg);
7229 if (klass == mono_defaults.stringbuilder_class) {
7230 MonoMarshalNative encoding;
7232 encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
7235 g_assert (encoding == MONO_NATIVE_LPSTR);
7237 g_assert (!t->byref);
7238 g_assert (encoding != -1);
7240 mono_mb_emit_ldarg (mb, argnum);
7241 mono_mb_emit_icall (mb, mono_string_utf8_to_builder2);
7242 mono_mb_emit_stloc (mb, conv_arg);
7246 /* The class can not have an automatic layout */
7247 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
7248 mono_mb_emit_auto_layout_exception (mb, klass);
7252 if (t->attrs & PARAM_ATTRIBUTE_OUT) {
7253 mono_mb_emit_byte (mb, CEE_LDNULL);
7254 mono_mb_emit_stloc (mb, conv_arg);
7259 mono_mb_emit_ldarg (mb, argnum);
7263 /* Check for NULL and raise an exception */
7264 pos2 = mono_mb_emit_branch (mb, CEE_BRTRUE);
7266 mono_mb_emit_exception (mb, "ArgumentNullException", NULL);
7268 mono_mb_patch_branch (mb, pos2);
7269 mono_mb_emit_ldarg (mb, argnum);
7270 mono_mb_emit_byte (mb, CEE_LDIND_I);
7273 mono_mb_emit_stloc (mb, 0);
7275 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7276 mono_mb_emit_stloc (mb, conv_arg);
7278 mono_mb_emit_ldloc (mb, 0);
7279 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
7281 /* Create and set dst */
7282 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
7283 mono_mb_emit_op (mb, CEE_MONO_NEWOBJ, klass);
7284 mono_mb_emit_stloc (mb, conv_arg);
7285 mono_mb_emit_ldloc (mb, conv_arg);
7286 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
7287 mono_mb_emit_stloc (mb, 1);
7289 /* emit valuetype conversion code */
7290 emit_struct_conv (mb, klass, TRUE);
7292 mono_mb_patch_branch (mb, pos);
7295 case MARSHAL_ACTION_MANAGED_CONV_OUT:
7297 /* Check for null */
7298 mono_mb_emit_ldloc (mb, conv_arg);
7299 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
7300 mono_mb_emit_ldarg (mb, argnum);
7301 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7302 mono_mb_emit_byte (mb, CEE_STIND_REF);
7303 pos2 = mono_mb_emit_branch (mb, CEE_BR);
7305 mono_mb_patch_branch (mb, pos);
7308 mono_mb_emit_ldloc (mb, conv_arg);
7309 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
7310 mono_mb_emit_stloc (mb, 0);
7312 /* Allocate and set dest */
7313 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
7314 mono_mb_emit_byte (mb, CEE_CONV_I);
7315 mono_mb_emit_icall (mb, mono_marshal_alloc);
7316 mono_mb_emit_stloc (mb, 1);
7318 /* Update argument pointer */
7319 mono_mb_emit_ldarg (mb, argnum);
7320 mono_mb_emit_ldloc (mb, 1);
7321 mono_mb_emit_byte (mb, CEE_STIND_I);
7323 /* emit valuetype conversion code */
7324 emit_struct_conv (mb, klass, FALSE);
7326 mono_mb_patch_branch (mb, pos2);
7328 /* byval [Out] marshalling */
7330 /* FIXME: Handle null */
7333 mono_mb_emit_ldloc (mb, conv_arg);
7334 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
7335 mono_mb_emit_stloc (mb, 0);
7338 mono_mb_emit_ldarg (mb, argnum);
7339 mono_mb_emit_stloc (mb, 1);
7341 /* emit valuetype conversion code */
7342 emit_struct_conv (mb, klass, FALSE);
7346 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
7347 if (klass->delegate) {
7348 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_DEL_FTN));
7349 mono_mb_emit_stloc (mb, 3);
7353 /* The class can not have an automatic layout */
7354 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
7355 mono_mb_emit_auto_layout_exception (mb, klass);
7359 mono_mb_emit_stloc (mb, 0);
7360 /* Check for null */
7361 mono_mb_emit_ldloc (mb, 0);
7362 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
7363 mono_mb_emit_byte (mb, CEE_LDNULL);
7364 mono_mb_emit_stloc (mb, 3);
7365 pos2 = mono_mb_emit_branch (mb, CEE_BR);
7367 mono_mb_patch_branch (mb, pos);
7370 mono_mb_emit_ldloc (mb, 0);
7371 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
7372 mono_mb_emit_stloc (mb, 0);
7374 /* Allocate and set dest */
7375 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
7376 mono_mb_emit_byte (mb, CEE_CONV_I);
7377 mono_mb_emit_icall (mb, mono_marshal_alloc);
7378 mono_mb_emit_byte (mb, CEE_DUP);
7379 mono_mb_emit_stloc (mb, 1);
7380 mono_mb_emit_stloc (mb, 3);
7382 emit_struct_conv (mb, klass, FALSE);
7384 mono_mb_patch_branch (mb, pos2);
7388 g_assert_not_reached ();
7399 emit_marshal_variant (EmitMarshalContext *m, int argnum, MonoType *t,
7400 MonoMarshalSpec *spec,
7401 int conv_arg, MonoType **conv_arg_type,
7402 MarshalAction action)
7404 MonoMethodBuilder *mb = m->mb;
7405 static MonoMethod *get_object_for_native_variant = NULL;
7406 static MonoMethod *get_native_variant_for_object = NULL;
7408 if (!get_object_for_native_variant)
7409 get_object_for_native_variant = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetObjectForNativeVariant", 1);
7410 g_assert (get_object_for_native_variant);
7412 if (!get_native_variant_for_object)
7413 get_native_variant_for_object = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetNativeVariantForObject", 2);
7414 g_assert (get_native_variant_for_object);
7417 case MARSHAL_ACTION_CONV_IN: {
7418 conv_arg = mono_mb_add_local (mb, &mono_class_get_variant_class ()->byval_arg);
7421 *conv_arg_type = &mono_class_get_variant_class ()->this_arg;
7423 *conv_arg_type = &mono_class_get_variant_class ()->byval_arg;
7425 if (t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && t->attrs & PARAM_ATTRIBUTE_OUT)
7428 mono_mb_emit_ldarg (mb, argnum);
7430 mono_mb_emit_byte(mb, CEE_LDIND_REF);
7431 mono_mb_emit_ldloc_addr (mb, conv_arg);
7432 mono_mb_emit_managed_call (mb, get_native_variant_for_object, NULL);
7436 case MARSHAL_ACTION_CONV_OUT: {
7437 static MonoMethod *variant_clear = NULL;
7440 variant_clear = mono_class_get_method_from_name (mono_class_get_variant_class (), "Clear", 0);
7441 g_assert (variant_clear);
7444 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT || !(t->attrs & PARAM_ATTRIBUTE_IN))) {
7445 mono_mb_emit_ldarg (mb, argnum);
7446 mono_mb_emit_ldloc_addr (mb, conv_arg);
7447 mono_mb_emit_managed_call (mb, get_object_for_native_variant, NULL);
7448 mono_mb_emit_byte (mb, CEE_STIND_REF);
7451 mono_mb_emit_ldloc_addr (mb, conv_arg);
7452 mono_mb_emit_managed_call (mb, variant_clear, NULL);
7456 case MARSHAL_ACTION_PUSH:
7458 mono_mb_emit_ldloc_addr (mb, conv_arg);
7460 mono_mb_emit_ldloc (mb, conv_arg);
7463 case MARSHAL_ACTION_CONV_RESULT: {
7464 char *msg = g_strdup ("Marshalling of VARIANT not supported as a return type.");
7465 mono_mb_emit_exception_marshal_directive (mb, msg);
7469 case MARSHAL_ACTION_MANAGED_CONV_IN: {
7470 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
7473 *conv_arg_type = &mono_class_get_variant_class ()->this_arg;
7475 *conv_arg_type = &mono_class_get_variant_class ()->byval_arg;
7477 if (t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && t->attrs & PARAM_ATTRIBUTE_OUT)
7481 mono_mb_emit_ldarg (mb, argnum);
7483 mono_mb_emit_ldarg_addr (mb, argnum);
7484 mono_mb_emit_managed_call (mb, get_object_for_native_variant, NULL);
7485 mono_mb_emit_stloc (mb, conv_arg);
7489 case MARSHAL_ACTION_MANAGED_CONV_OUT: {
7490 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT || !(t->attrs & PARAM_ATTRIBUTE_IN))) {
7491 mono_mb_emit_ldloc (mb, conv_arg);
7492 mono_mb_emit_ldarg (mb, argnum);
7493 mono_mb_emit_managed_call (mb, get_native_variant_for_object, NULL);
7498 case MARSHAL_ACTION_MANAGED_CONV_RESULT: {
7499 char *msg = g_strdup ("Marshalling of VARIANT not supported as a return type.");
7500 mono_mb_emit_exception_marshal_directive (mb, msg);
7505 g_assert_not_reached ();
7511 #endif /* DISABLE_COM */
7512 #endif /* DISABLE_JIT */
7515 mono_pinvoke_is_unicode (MonoMethodPInvoke *piinfo)
7517 switch (piinfo->piflags & PINVOKE_ATTRIBUTE_CHAR_SET_MASK) {
7518 case PINVOKE_ATTRIBUTE_CHAR_SET_ANSI:
7520 case PINVOKE_ATTRIBUTE_CHAR_SET_UNICODE:
7522 case PINVOKE_ATTRIBUTE_CHAR_SET_AUTO:
7534 emit_marshal_array (EmitMarshalContext *m, int argnum, MonoType *t,
7535 MonoMarshalSpec *spec,
7536 int conv_arg, MonoType **conv_arg_type,
7537 MarshalAction action)
7541 case MARSHAL_ACTION_CONV_IN:
7542 *conv_arg_type = &mono_defaults.object_class->byval_arg;
7544 case MARSHAL_ACTION_MANAGED_CONV_IN:
7545 *conv_arg_type = &mono_defaults.int_class->byval_arg;
7549 MonoMethodBuilder *mb = m->mb;
7550 MonoClass *klass = mono_class_from_mono_type (t);
7551 gboolean need_convert, need_free;
7552 MonoMarshalNative encoding;
7554 encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
7557 case MARSHAL_ACTION_CONV_IN:
7558 *conv_arg_type = &mono_defaults.object_class->byval_arg;
7559 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
7561 if (klass->element_class->blittable) {
7562 mono_mb_emit_ldarg (mb, argnum);
7564 mono_mb_emit_byte (mb, CEE_LDIND_I);
7565 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_ARRAY_LPARRAY));
7566 mono_mb_emit_stloc (mb, conv_arg);
7569 guint32 label1, label2, label3;
7570 int index_var, src_var, dest_ptr, esize;
7571 MonoMarshalConv conv;
7572 gboolean is_string = FALSE;
7574 dest_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7576 eklass = klass->element_class;
7578 if (eklass == mono_defaults.string_class) {
7580 conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
7582 else if (eklass == mono_defaults.stringbuilder_class) {
7584 conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
7589 if (is_string && conv == -1) {
7590 char *msg = g_strdup_printf ("string/stringbuilder marshalling conversion %d not implemented", encoding);
7591 mono_mb_emit_exception_marshal_directive (mb, msg);
7595 src_var = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
7596 mono_mb_emit_ldarg (mb, argnum);
7598 mono_mb_emit_byte (mb, CEE_LDIND_I);
7599 mono_mb_emit_stloc (mb, src_var);
7602 mono_mb_emit_ldloc (mb, src_var);
7603 mono_mb_emit_stloc (mb, conv_arg);
7604 mono_mb_emit_ldloc (mb, src_var);
7605 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
7608 esize = sizeof (gpointer);
7609 else if (eklass == mono_defaults.char_class) /*can't call mono_marshal_type_size since it causes all sorts of asserts*/
7610 esize = mono_pinvoke_is_unicode (m->piinfo) ? 2 : 1;
7612 esize = mono_class_native_size (eklass, NULL);
7614 /* allocate space for the native struct and store the address */
7615 mono_mb_emit_icon (mb, esize);
7616 mono_mb_emit_ldloc (mb, src_var);
7617 mono_mb_emit_byte (mb, CEE_LDLEN);
7619 if (eklass == mono_defaults.string_class) {
7620 /* Make the array bigger for the terminating null */
7621 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
7622 mono_mb_emit_byte (mb, CEE_ADD);
7624 mono_mb_emit_byte (mb, CEE_MUL);
7625 mono_mb_emit_byte (mb, CEE_PREFIX1);
7626 mono_mb_emit_byte (mb, CEE_LOCALLOC);
7627 mono_mb_emit_stloc (mb, conv_arg);
7629 mono_mb_emit_ldloc (mb, conv_arg);
7630 mono_mb_emit_stloc (mb, dest_ptr);
7632 /* Emit marshalling loop */
7633 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7634 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7635 mono_mb_emit_stloc (mb, index_var);
7636 label2 = mono_mb_get_label (mb);
7637 mono_mb_emit_ldloc (mb, index_var);
7638 mono_mb_emit_ldloc (mb, src_var);
7639 mono_mb_emit_byte (mb, CEE_LDLEN);
7640 label3 = mono_mb_emit_branch (mb, CEE_BGE);
7642 /* Emit marshalling code */
7645 mono_mb_emit_ldloc (mb, dest_ptr);
7646 mono_mb_emit_ldloc (mb, src_var);
7647 mono_mb_emit_ldloc (mb, index_var);
7648 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
7649 mono_mb_emit_icall (mb, conv_to_icall (conv));
7650 mono_mb_emit_byte (mb, CEE_STIND_I);
7652 /* set the src_ptr */
7653 mono_mb_emit_ldloc (mb, src_var);
7654 mono_mb_emit_ldloc (mb, index_var);
7655 mono_mb_emit_op (mb, CEE_LDELEMA, eklass);
7656 mono_mb_emit_stloc (mb, 0);
7659 mono_mb_emit_ldloc (mb, dest_ptr);
7660 mono_mb_emit_stloc (mb, 1);
7662 /* emit valuetype conversion code */
7663 emit_struct_conv_full (mb, eklass, FALSE, eklass == mono_defaults.char_class ? encoding : -1);
7666 mono_mb_emit_add_to_local (mb, index_var, 1);
7667 mono_mb_emit_add_to_local (mb, dest_ptr, esize);
7669 mono_mb_emit_branch_label (mb, CEE_BR, label2);
7671 mono_mb_patch_branch (mb, label3);
7673 if (eklass == mono_defaults.string_class) {
7674 /* Null terminate */
7675 mono_mb_emit_ldloc (mb, dest_ptr);
7676 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7677 mono_mb_emit_byte (mb, CEE_STIND_REF);
7680 mono_mb_patch_branch (mb, label1);
7685 case MARSHAL_ACTION_CONV_OUT:
7686 /* Unicode character arrays are implicitly marshalled as [Out] under MS.NET */
7687 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);
7688 need_free = mono_marshal_need_free (&klass->element_class->byval_arg,
7691 if (need_convert || need_free) {
7692 /* FIXME: Optimize blittable case */
7694 guint32 label1, label2, label3;
7695 int index_var, src_ptr, loc, esize;
7697 eklass = klass->element_class;
7698 if ((eklass == mono_defaults.stringbuilder_class) || (eklass == mono_defaults.string_class))
7699 esize = sizeof (gpointer);
7700 else if (eklass == mono_defaults.char_class)
7701 esize = mono_pinvoke_is_unicode (m->piinfo) ? 2 : 1;
7703 esize = mono_class_native_size (eklass, NULL);
7704 src_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7705 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7708 mono_mb_emit_ldarg (mb, argnum);
7710 mono_mb_emit_byte (mb, CEE_LDIND_I);
7711 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
7713 mono_mb_emit_ldloc (mb, conv_arg);
7714 mono_mb_emit_stloc (mb, src_ptr);
7716 /* Emit marshalling loop */
7717 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7718 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7719 mono_mb_emit_stloc (mb, index_var);
7720 label2 = mono_mb_get_label (mb);
7721 mono_mb_emit_ldloc (mb, index_var);
7722 mono_mb_emit_ldarg (mb, argnum);
7724 mono_mb_emit_byte (mb, CEE_LDIND_REF);
7725 mono_mb_emit_byte (mb, CEE_LDLEN);
7726 label3 = mono_mb_emit_branch (mb, CEE_BGE);
7728 /* Emit marshalling code */
7730 if (eklass == mono_defaults.stringbuilder_class) {
7731 gboolean need_free2;
7732 MonoMarshalConv conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free2);
7734 g_assert (conv != -1);
7737 mono_mb_emit_ldarg (mb, argnum);
7739 mono_mb_emit_byte (mb, CEE_LDIND_I);
7740 mono_mb_emit_ldloc (mb, index_var);
7741 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
7744 mono_mb_emit_ldloc (mb, src_ptr);
7745 mono_mb_emit_byte (mb, CEE_LDIND_I);
7747 mono_mb_emit_icall (mb, conv_to_icall (conv));
7751 mono_mb_emit_ldloc (mb, src_ptr);
7752 mono_mb_emit_byte (mb, CEE_LDIND_I);
7754 mono_mb_emit_icall (mb, mono_marshal_free);
7757 else if (eklass == mono_defaults.string_class) {
7760 mono_mb_emit_ldloc (mb, src_ptr);
7761 mono_mb_emit_byte (mb, CEE_LDIND_I);
7763 mono_mb_emit_icall (mb, mono_marshal_free);
7768 /* set the src_ptr */
7769 mono_mb_emit_ldloc (mb, src_ptr);
7770 mono_mb_emit_stloc (mb, 0);
7773 mono_mb_emit_ldarg (mb, argnum);
7775 mono_mb_emit_byte (mb, CEE_LDIND_REF);
7776 mono_mb_emit_ldloc (mb, index_var);
7777 mono_mb_emit_op (mb, CEE_LDELEMA, eklass);
7778 mono_mb_emit_stloc (mb, 1);
7780 /* emit valuetype conversion code */
7781 emit_struct_conv_full (mb, eklass, TRUE, eklass == mono_defaults.char_class ? encoding : -1);
7785 mono_mb_emit_ldloc (mb, src_ptr);
7786 mono_mb_emit_stloc (mb, loc);
7787 mono_mb_emit_ldloc (mb, loc);
7789 emit_struct_free (mb, eklass, loc);
7793 mono_mb_emit_add_to_local (mb, index_var, 1);
7794 mono_mb_emit_add_to_local (mb, src_ptr, esize);
7796 mono_mb_emit_branch_label (mb, CEE_BR, label2);
7798 mono_mb_patch_branch (mb, label1);
7799 mono_mb_patch_branch (mb, label3);
7802 if (klass->element_class->blittable) {
7803 /* free memory allocated (if any) by MONO_MARSHAL_CONV_ARRAY_LPARRAY */
7805 mono_mb_emit_ldarg (mb, argnum);
7806 mono_mb_emit_ldloc (mb, conv_arg);
7807 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_FREE_LPARRAY));
7812 case MARSHAL_ACTION_PUSH:
7814 mono_mb_emit_ldloc_addr (mb, conv_arg);
7816 mono_mb_emit_ldloc (mb, conv_arg);
7819 case MARSHAL_ACTION_CONV_RESULT:
7820 /* fixme: we need conversions here */
7821 mono_mb_emit_stloc (mb, 3);
7824 case MARSHAL_ACTION_MANAGED_CONV_IN: {
7826 guint32 label1, label2, label3;
7827 int index_var, src_ptr, loc, esize, param_num, num_elem;
7828 MonoMarshalConv conv;
7829 gboolean is_string = FALSE;
7831 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
7832 *conv_arg_type = &mono_defaults.int_class->byval_arg;
7835 char *msg = g_strdup ("Byref array marshalling to managed code is not implemented.");
7836 mono_mb_emit_exception_marshal_directive (mb, msg);
7840 char *msg = g_strdup ("[MarshalAs] attribute required to marshal arrays to managed code.");
7841 mono_mb_emit_exception_marshal_directive (mb, msg);
7844 if (spec->native != MONO_NATIVE_LPARRAY) {
7845 char *msg = g_strdup ("Non LPArray marshalling of arrays to managed code is not implemented.");
7846 mono_mb_emit_exception_marshal_directive (mb, msg);
7850 /* FIXME: t is from the method which is wrapped, not the delegate type */
7851 /* g_assert (t->attrs & PARAM_ATTRIBUTE_IN); */
7853 param_num = spec->data.array_data.param_num;
7854 num_elem = spec->data.array_data.num_elem;
7855 if (spec->data.array_data.elem_mult == 0)
7856 /* param_num is not specified */
7859 if (param_num == -1) {
7860 if (num_elem <= 0) {
7861 char *msg = g_strdup ("Either SizeConst or SizeParamIndex should be specified when marshalling arrays to managed code.");
7862 mono_mb_emit_exception_marshal_directive (mb, msg);
7867 /* FIXME: Optimize blittable case */
7869 eklass = klass->element_class;
7870 if (eklass == mono_defaults.string_class) {
7872 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
7874 else if (eklass == mono_defaults.stringbuilder_class) {
7876 conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free);
7881 mono_marshal_load_type_info (eklass);
7884 esize = sizeof (gpointer);
7886 esize = mono_class_native_size (eklass, NULL);
7887 src_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7888 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7890 mono_mb_emit_byte (mb, CEE_LDNULL);
7891 mono_mb_emit_stloc (mb, conv_arg);
7893 /* Check param index */
7894 if (param_num != -1) {
7895 if (param_num >= m->sig->param_count) {
7896 char *msg = g_strdup ("Array size control parameter index is out of range.");
7897 mono_mb_emit_exception_marshal_directive (mb, msg);
7900 switch (m->sig->params [param_num]->type) {
7913 char *msg = g_strdup ("Array size control parameter must be an integral type.");
7914 mono_mb_emit_exception_marshal_directive (mb, msg);
7921 mono_mb_emit_ldarg (mb, argnum);
7922 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
7924 mono_mb_emit_ldarg (mb, argnum);
7925 mono_mb_emit_stloc (mb, src_ptr);
7927 /* Create managed array */
7929 * The LPArray marshalling spec says that sometimes param_num starts
7930 * from 1, sometimes it starts from 0. But MS seems to allways start
7934 if (param_num == -1) {
7935 mono_mb_emit_icon (mb, num_elem);
7937 mono_mb_emit_ldarg (mb, param_num);
7939 mono_mb_emit_icon (mb, num_elem);
7940 mono_mb_emit_byte (mb, CEE_ADD);
7942 mono_mb_emit_byte (mb, CEE_CONV_OVF_I);
7945 mono_mb_emit_op (mb, CEE_NEWARR, eklass);
7946 mono_mb_emit_stloc (mb, conv_arg);
7948 if (eklass->blittable) {
7949 mono_mb_emit_ldloc (mb, conv_arg);
7950 mono_mb_emit_byte (mb, CEE_CONV_I);
7951 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArray, vector));
7952 mono_mb_emit_byte (mb, CEE_ADD);
7953 mono_mb_emit_ldarg (mb, argnum);
7954 mono_mb_emit_ldloc (mb, conv_arg);
7955 mono_mb_emit_byte (mb, CEE_LDLEN);
7956 mono_mb_emit_icon (mb, esize);
7957 mono_mb_emit_byte (mb, CEE_MUL);
7958 mono_mb_emit_byte (mb, CEE_PREFIX1);
7959 mono_mb_emit_byte (mb, CEE_CPBLK);
7963 /* Emit marshalling loop */
7964 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7965 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7966 mono_mb_emit_stloc (mb, index_var);
7967 label2 = mono_mb_get_label (mb);
7968 mono_mb_emit_ldloc (mb, index_var);
7969 mono_mb_emit_ldloc (mb, conv_arg);
7970 mono_mb_emit_byte (mb, CEE_LDLEN);
7971 label3 = mono_mb_emit_branch (mb, CEE_BGE);
7973 /* Emit marshalling code */
7975 g_assert (conv != -1);
7977 mono_mb_emit_ldloc (mb, conv_arg);
7978 mono_mb_emit_ldloc (mb, index_var);
7980 mono_mb_emit_ldloc (mb, src_ptr);
7981 mono_mb_emit_byte (mb, CEE_LDIND_I);
7983 mono_mb_emit_icall (mb, conv_to_icall (conv));
7984 mono_mb_emit_byte (mb, CEE_STELEM_REF);
7987 char *msg = g_strdup ("Marshalling of non-string and non-blittable arrays to managed code is not implemented.");
7988 mono_mb_emit_exception_marshal_directive (mb, msg);
7992 mono_mb_emit_add_to_local (mb, index_var, 1);
7993 mono_mb_emit_add_to_local (mb, src_ptr, esize);
7995 mono_mb_emit_branch_label (mb, CEE_BR, label2);
7997 mono_mb_patch_branch (mb, label1);
7998 mono_mb_patch_branch (mb, label3);
8002 case MARSHAL_ACTION_MANAGED_CONV_OUT: {
8004 guint32 label1, label2, label3;
8005 int index_var, dest_ptr, loc, esize, param_num, num_elem;
8006 MonoMarshalConv conv;
8007 gboolean is_string = FALSE;
8010 /* Already handled in CONV_IN */
8013 /* These are already checked in CONV_IN */
8014 g_assert (!t->byref);
8015 g_assert (spec->native == MONO_NATIVE_LPARRAY);
8016 g_assert (t->attrs & PARAM_ATTRIBUTE_OUT);
8018 param_num = spec->data.array_data.param_num;
8019 num_elem = spec->data.array_data.num_elem;
8021 if (spec->data.array_data.elem_mult == 0)
8022 /* param_num is not specified */
8025 if (param_num == -1) {
8026 if (num_elem <= 0) {
8027 g_assert_not_reached ();
8031 /* FIXME: Optimize blittable case */
8033 eklass = klass->element_class;
8034 if (eklass == mono_defaults.string_class) {
8036 conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
8038 else if (eklass == mono_defaults.stringbuilder_class) {
8040 conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
8045 mono_marshal_load_type_info (eklass);
8048 esize = sizeof (gpointer);
8050 esize = mono_class_native_size (eklass, NULL);
8052 dest_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8053 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8056 mono_mb_emit_ldloc (mb, conv_arg);
8057 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
8059 mono_mb_emit_ldarg (mb, argnum);
8060 mono_mb_emit_stloc (mb, dest_ptr);
8062 if (eklass->blittable) {
8064 mono_mb_emit_ldarg (mb, argnum);
8066 mono_mb_emit_ldloc (mb, conv_arg);
8067 mono_mb_emit_byte (mb, CEE_CONV_I);
8068 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArray, vector));
8069 mono_mb_emit_byte (mb, CEE_ADD);
8071 mono_mb_emit_ldloc (mb, conv_arg);
8072 mono_mb_emit_byte (mb, CEE_LDLEN);
8073 mono_mb_emit_icon (mb, esize);
8074 mono_mb_emit_byte (mb, CEE_MUL);
8075 mono_mb_emit_byte (mb, CEE_PREFIX1);
8076 mono_mb_emit_byte (mb, CEE_CPBLK);
8080 /* Emit marshalling loop */
8081 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8082 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
8083 mono_mb_emit_stloc (mb, index_var);
8084 label2 = mono_mb_get_label (mb);
8085 mono_mb_emit_ldloc (mb, index_var);
8086 mono_mb_emit_ldloc (mb, conv_arg);
8087 mono_mb_emit_byte (mb, CEE_LDLEN);
8088 label3 = mono_mb_emit_branch (mb, CEE_BGE);
8090 /* Emit marshalling code */
8092 g_assert (conv != -1);
8095 mono_mb_emit_ldloc (mb, dest_ptr);
8098 mono_mb_emit_ldloc (mb, conv_arg);
8099 mono_mb_emit_ldloc (mb, index_var);
8101 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
8103 mono_mb_emit_icall (mb, conv_to_icall (conv));
8104 mono_mb_emit_byte (mb, CEE_STIND_I);
8107 char *msg = g_strdup ("Marshalling of non-string and non-blittable arrays to managed code is not implemented.");
8108 mono_mb_emit_exception_marshal_directive (mb, msg);
8112 mono_mb_emit_add_to_local (mb, index_var, 1);
8113 mono_mb_emit_add_to_local (mb, dest_ptr, esize);
8115 mono_mb_emit_branch_label (mb, CEE_BR, label2);
8117 mono_mb_patch_branch (mb, label1);
8118 mono_mb_patch_branch (mb, label3);
8122 case MARSHAL_ACTION_MANAGED_CONV_RESULT: {
8124 guint32 label1, label2, label3;
8125 int index_var, src, dest, esize;
8126 MonoMarshalConv conv = -1;
8127 gboolean is_string = FALSE;
8129 g_assert (!t->byref);
8131 eklass = klass->element_class;
8133 mono_marshal_load_type_info (eklass);
8135 if (eklass == mono_defaults.string_class) {
8137 conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
8140 g_assert_not_reached ();
8144 esize = sizeof (gpointer);
8145 else if (eklass == mono_defaults.char_class)
8146 esize = mono_pinvoke_is_unicode (m->piinfo) ? 2 : 1;
8148 esize = mono_class_native_size (eklass, NULL);
8150 src = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
8151 dest = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8153 mono_mb_emit_stloc (mb, src);
8154 mono_mb_emit_ldloc (mb, src);
8155 mono_mb_emit_stloc (mb, 3);
8157 /* Check for null */
8158 mono_mb_emit_ldloc (mb, src);
8159 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
8161 /* Allocate native array */
8162 mono_mb_emit_icon (mb, esize);
8163 mono_mb_emit_ldloc (mb, src);
8164 mono_mb_emit_byte (mb, CEE_LDLEN);
8166 if (eklass == mono_defaults.string_class) {
8167 /* Make the array bigger for the terminating null */
8168 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
8169 mono_mb_emit_byte (mb, CEE_ADD);
8171 mono_mb_emit_byte (mb, CEE_MUL);
8172 mono_mb_emit_icall (mb, mono_marshal_alloc);
8173 mono_mb_emit_stloc (mb, dest);
8174 mono_mb_emit_ldloc (mb, dest);
8175 mono_mb_emit_stloc (mb, 3);
8177 /* Emit marshalling loop */
8178 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8179 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
8180 mono_mb_emit_stloc (mb, index_var);
8181 label2 = mono_mb_get_label (mb);
8182 mono_mb_emit_ldloc (mb, index_var);
8183 mono_mb_emit_ldloc (mb, src);
8184 mono_mb_emit_byte (mb, CEE_LDLEN);
8185 label3 = mono_mb_emit_branch (mb, CEE_BGE);
8187 /* Emit marshalling code */
8189 g_assert (conv != -1);
8192 mono_mb_emit_ldloc (mb, dest);
8195 mono_mb_emit_ldloc (mb, src);
8196 mono_mb_emit_ldloc (mb, index_var);
8198 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
8200 mono_mb_emit_icall (mb, conv_to_icall (conv));
8201 mono_mb_emit_byte (mb, CEE_STIND_I);
8204 char *msg = g_strdup ("Marshalling of non-string arrays to managed code is not implemented.");
8205 mono_mb_emit_exception_marshal_directive (mb, msg);
8209 mono_mb_emit_add_to_local (mb, index_var, 1);
8210 mono_mb_emit_add_to_local (mb, dest, esize);
8212 mono_mb_emit_branch_label (mb, CEE_BR, label2);
8214 mono_mb_patch_branch (mb, label3);
8215 mono_mb_patch_branch (mb, label1);
8219 g_assert_not_reached ();
8226 marshal_boolean_conv_in_get_local_type (MonoMarshalSpec *spec, guint8 *ldc_op /*out*/)
8229 return &mono_defaults.int32_class->byval_arg;
8231 switch (spec->native) {
8232 case MONO_NATIVE_I1:
8233 case MONO_NATIVE_U1:
8234 return &mono_defaults.byte_class->byval_arg;
8235 case MONO_NATIVE_VARIANTBOOL:
8236 if (ldc_op) *ldc_op = CEE_LDC_I4_M1;
8237 return &mono_defaults.int16_class->byval_arg;
8238 case MONO_NATIVE_BOOLEAN:
8239 return &mono_defaults.int32_class->byval_arg;
8241 g_warning ("marshalling bool as native type %x is currently not supported", spec->native);
8242 return &mono_defaults.int32_class->byval_arg;
8248 marshal_boolean_managed_conv_in_get_conv_arg_class (MonoMarshalSpec *spec, guint8 *ldop/*out*/)
8250 MonoClass* conv_arg_class = mono_defaults.int32_class;
8252 switch (spec->native) {
8253 case MONO_NATIVE_I1:
8254 case MONO_NATIVE_U1:
8255 conv_arg_class = mono_defaults.byte_class;
8256 if (ldop) *ldop = CEE_LDIND_I1;
8258 case MONO_NATIVE_VARIANTBOOL:
8259 conv_arg_class = mono_defaults.int16_class;
8260 if (ldop) *ldop = CEE_LDIND_I2;
8262 case MONO_NATIVE_BOOLEAN:
8265 g_warning ("marshalling bool as native type %x is currently not supported", spec->native);
8268 return conv_arg_class;
8272 emit_marshal_boolean (EmitMarshalContext *m, int argnum, MonoType *t,
8273 MonoMarshalSpec *spec,
8274 int conv_arg, MonoType **conv_arg_type,
8275 MarshalAction action)
8279 case MARSHAL_ACTION_CONV_IN:
8281 *conv_arg_type = &mono_defaults.int_class->byval_arg;
8283 *conv_arg_type = marshal_boolean_conv_in_get_local_type (spec, NULL);
8286 case MARSHAL_ACTION_MANAGED_CONV_IN: {
8287 MonoClass* conv_arg_class = marshal_boolean_managed_conv_in_get_conv_arg_class (spec, NULL);
8289 *conv_arg_type = &conv_arg_class->this_arg;
8291 *conv_arg_type = &conv_arg_class->byval_arg;
8297 MonoMethodBuilder *mb = m->mb;
8300 case MARSHAL_ACTION_CONV_IN: {
8301 MonoType *local_type;
8303 guint8 ldc_op = CEE_LDC_I4_1;
8305 local_type = marshal_boolean_conv_in_get_local_type (spec, &ldc_op);
8307 *conv_arg_type = &mono_defaults.int_class->byval_arg;
8309 *conv_arg_type = local_type;
8310 conv_arg = mono_mb_add_local (mb, local_type);
8312 mono_mb_emit_ldarg (mb, argnum);
8314 mono_mb_emit_byte (mb, CEE_LDIND_I1);
8315 label_false = mono_mb_emit_branch (mb, CEE_BRFALSE);
8316 mono_mb_emit_byte (mb, ldc_op);
8317 mono_mb_emit_stloc (mb, conv_arg);
8318 mono_mb_patch_branch (mb, label_false);
8323 case MARSHAL_ACTION_CONV_OUT:
8325 int label_false, label_end;
8329 mono_mb_emit_ldarg (mb, argnum);
8330 mono_mb_emit_ldloc (mb, conv_arg);
8332 label_false = mono_mb_emit_branch (mb, CEE_BRFALSE);
8333 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
8335 label_end = mono_mb_emit_branch (mb, CEE_BR);
8336 mono_mb_patch_branch (mb, label_false);
8337 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
8338 mono_mb_patch_branch (mb, label_end);
8340 mono_mb_emit_byte (mb, CEE_STIND_I1);
8344 case MARSHAL_ACTION_PUSH:
8346 mono_mb_emit_ldloc_addr (mb, conv_arg);
8348 mono_mb_emit_ldloc (mb, conv_arg);
8350 mono_mb_emit_ldarg (mb, argnum);
8353 case MARSHAL_ACTION_CONV_RESULT:
8354 /* maybe we need to make sure that it fits within 8 bits */
8355 mono_mb_emit_stloc (mb, 3);
8358 case MARSHAL_ACTION_MANAGED_CONV_IN: {
8359 MonoClass* conv_arg_class = mono_defaults.int32_class;
8360 guint8 ldop = CEE_LDIND_I4;
8361 int label_null, label_false;
8363 conv_arg_class = marshal_boolean_managed_conv_in_get_conv_arg_class (spec, &ldop);
8364 conv_arg = mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
8367 *conv_arg_type = &conv_arg_class->this_arg;
8369 *conv_arg_type = &conv_arg_class->byval_arg;
8372 mono_mb_emit_ldarg (mb, argnum);
8376 label_null = mono_mb_emit_branch (mb, CEE_BRFALSE);
8377 mono_mb_emit_ldarg (mb, argnum);
8378 mono_mb_emit_byte (mb, ldop);
8382 label_false = mono_mb_emit_branch (mb, CEE_BRFALSE);
8383 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
8384 mono_mb_emit_stloc (mb, conv_arg);
8385 mono_mb_patch_branch (mb, label_false);
8388 mono_mb_patch_branch (mb, label_null);
8392 case MARSHAL_ACTION_MANAGED_CONV_OUT: {
8393 guint8 stop = CEE_STIND_I4;
8394 guint8 ldc_op = CEE_LDC_I4_1;
8395 int label_null,label_false, label_end;;
8400 switch (spec->native) {
8401 case MONO_NATIVE_I1:
8402 case MONO_NATIVE_U1:
8403 stop = CEE_STIND_I1;
8405 case MONO_NATIVE_VARIANTBOOL:
8406 stop = CEE_STIND_I2;
8407 ldc_op = CEE_LDC_I4_M1;
8415 mono_mb_emit_ldarg (mb, argnum);
8416 label_null = mono_mb_emit_branch (mb, CEE_BRFALSE);
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, ldc_op);
8423 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, stop);
8430 mono_mb_patch_branch (mb, label_null);
8435 g_assert_not_reached ();
8442 emit_marshal_ptr (EmitMarshalContext *m, int argnum, MonoType *t,
8443 MonoMarshalSpec *spec, int conv_arg,
8444 MonoType **conv_arg_type, MarshalAction action)
8447 MonoMethodBuilder *mb = m->mb;
8450 case MARSHAL_ACTION_CONV_IN:
8451 /* MS seems to allow this in some cases, ie. bxc #158 */
8453 if (MONO_TYPE_ISSTRUCT (t->data.type) && !mono_class_from_mono_type (t->data.type)->blittable) {
8454 char *msg = g_strdup_printf ("Can not marshal 'parameter #%d': Pointers can not reference marshaled structures. Use byref instead.", argnum + 1);
8455 mono_mb_emit_exception_marshal_directive (m->mb, msg);
8460 case MARSHAL_ACTION_PUSH:
8461 mono_mb_emit_ldarg (mb, argnum);
8464 case MARSHAL_ACTION_CONV_RESULT:
8465 /* no conversions necessary */
8466 mono_mb_emit_stloc (mb, 3);
8477 emit_marshal_char (EmitMarshalContext *m, int argnum, MonoType *t,
8478 MonoMarshalSpec *spec, int conv_arg,
8479 MonoType **conv_arg_type, MarshalAction action)
8482 MonoMethodBuilder *mb = m->mb;
8485 case MARSHAL_ACTION_PUSH:
8486 /* fixme: dont know how to marshal that. We cant simply
8487 * convert it to a one byte UTF8 character, because an
8488 * unicode character may need more that one byte in UTF8 */
8489 mono_mb_emit_ldarg (mb, argnum);
8492 case MARSHAL_ACTION_CONV_RESULT:
8493 /* fixme: we need conversions here */
8494 mono_mb_emit_stloc (mb, 3);
8505 emit_marshal_scalar (EmitMarshalContext *m, int argnum, MonoType *t,
8506 MonoMarshalSpec *spec, int conv_arg,
8507 MonoType **conv_arg_type, MarshalAction action)
8510 MonoMethodBuilder *mb = m->mb;
8513 case MARSHAL_ACTION_PUSH:
8514 mono_mb_emit_ldarg (mb, argnum);
8517 case MARSHAL_ACTION_CONV_RESULT:
8518 /* no conversions necessary */
8519 mono_mb_emit_stloc (mb, 3);
8530 emit_marshal (EmitMarshalContext *m, int argnum, MonoType *t,
8531 MonoMarshalSpec *spec, int conv_arg,
8532 MonoType **conv_arg_type, MarshalAction action)
8534 /* Ensure that we have marshalling info for this param */
8535 mono_marshal_load_type_info (mono_class_from_mono_type (t));
8537 if (spec && spec->native == MONO_NATIVE_CUSTOM)
8538 return emit_marshal_custom (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8540 if (spec && spec->native == MONO_NATIVE_ASANY)
8541 return emit_marshal_asany (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8544 case MONO_TYPE_VALUETYPE:
8545 if (t->data.klass == mono_defaults.handleref_class)
8546 return emit_marshal_handleref (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8548 return emit_marshal_vtype (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8549 case MONO_TYPE_STRING:
8550 return emit_marshal_string (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8551 case MONO_TYPE_CLASS:
8552 case MONO_TYPE_OBJECT:
8554 if (spec && spec->native == MONO_NATIVE_STRUCT)
8555 return emit_marshal_variant (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8557 if (spec && (spec->native == MONO_NATIVE_IUNKNOWN ||
8558 spec->native == MONO_NATIVE_IDISPATCH ||
8559 spec->native == MONO_NATIVE_INTERFACE))
8560 return mono_cominterop_emit_marshal_com_interface (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8561 if (spec && (spec->native == MONO_NATIVE_SAFEARRAY) &&
8562 (spec->data.safearray_data.elem_type == MONO_VARIANT_VARIANT) &&
8563 ((action == MARSHAL_ACTION_CONV_OUT) || (action == MARSHAL_ACTION_CONV_IN) || (action == MARSHAL_ACTION_PUSH)))
8564 return mono_cominterop_emit_marshal_safearray (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8567 if (mono_defaults.safehandle_class != NULL && t->data.klass &&
8568 mono_class_is_subclass_of (t->data.klass, mono_defaults.safehandle_class, FALSE))
8569 return emit_marshal_safehandle (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8571 return emit_marshal_object (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8572 case MONO_TYPE_ARRAY:
8573 case MONO_TYPE_SZARRAY:
8574 return emit_marshal_array (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8575 case MONO_TYPE_BOOLEAN:
8576 return emit_marshal_boolean (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8578 return emit_marshal_ptr (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8579 case MONO_TYPE_CHAR:
8580 return emit_marshal_char (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8593 case MONO_TYPE_FNPTR:
8594 return emit_marshal_scalar (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8595 case MONO_TYPE_GENERICINST:
8596 if (mono_type_generic_inst_is_valuetype (t))
8597 return emit_marshal_vtype (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8599 return emit_marshal_object (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8606 * mono_marshal_emit_native_wrapper:
8607 * @image: the image to use for looking up custom marshallers
8608 * @sig: The signature of the native function
8609 * @piinfo: Marshalling information
8610 * @mspecs: Marshalling information
8611 * @aot: whenever the created method will be compiled by the AOT compiler
8612 * @method: if non-NULL, the pinvoke method to call
8613 * @check_exceptions: Whenever to check for pending exceptions after the native call
8614 * @func_param: the function to call is passed as a boxed IntPtr as the first parameter
8616 * generates IL code for the pinvoke wrapper, the generated code calls @func.
8619 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)
8621 EmitMarshalContext m;
8622 MonoMethodSignature *csig;
8624 int i, argnum, *tmp_locals;
8625 int type, param_shift = 0;
8626 static MonoMethodSignature *get_last_error_sig = NULL;
8631 /* we copy the signature, so that we can set pinvoke to 0 */
8633 /* The function address is passed as the first argument */
8634 g_assert (!sig->hasthis);
8637 csig = signature_dup (mb->method->klass->image, sig);
8645 /* we allocate local for use with emit_struct_conv() */
8646 /* allocate local 0 (pointer) src_ptr */
8647 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8648 /* allocate local 1 (pointer) dst_ptr */
8649 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8650 /* allocate local 2 (boolean) delete_old */
8651 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
8653 /* delete_old = FALSE */
8654 mono_mb_emit_icon (mb, 0);
8655 mono_mb_emit_stloc (mb, 2);
8657 if (!MONO_TYPE_IS_VOID(sig->ret)) {
8658 /* allocate local 3 to store the return value */
8659 mono_mb_add_local (mb, sig->ret);
8662 if (mspecs [0] && mspecs [0]->native == MONO_NATIVE_CUSTOM) {
8663 /* Return type custom marshaling */
8665 * Since we can't determine the return type of the unmanaged function,
8666 * we assume it returns a pointer, and pass that pointer to
8667 * MarshalNativeToManaged.
8669 csig->ret = &mono_defaults.int_class->byval_arg;
8672 /* we first do all conversions */
8673 tmp_locals = alloca (sizeof (int) * sig->param_count);
8674 m.orig_conv_args = alloca (sizeof (int) * (sig->param_count + 1));
8676 for (i = 0; i < sig->param_count; i ++) {
8677 tmp_locals [i] = emit_marshal (&m, i + param_shift, sig->params [i], mspecs [i + 1], 0, &csig->params [i], MARSHAL_ACTION_CONV_IN);
8680 /* push all arguments */
8683 mono_mb_emit_byte (mb, CEE_LDARG_0);
8685 for (i = 0; i < sig->param_count; i++) {
8686 emit_marshal (&m, i + param_shift, sig->params [i], mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_PUSH);
8689 /* call the native method */
8691 mono_mb_emit_byte (mb, CEE_LDARG_0);
8692 mono_mb_emit_op (mb, CEE_UNBOX, mono_defaults.int_class);
8693 mono_mb_emit_byte (mb, CEE_LDIND_I);
8694 mono_mb_emit_calli (mb, csig);
8695 } else if (MONO_CLASS_IS_IMPORT (mb->method->klass)) {
8697 mono_mb_emit_cominterop_call (mb, csig, &piinfo->method);
8699 g_assert_not_reached ();
8704 /* Reuse the ICALL_ADDR opcode for pinvokes too */
8705 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
8706 mono_mb_emit_op (mb, CEE_MONO_ICALL_ADDR, &piinfo->method);
8707 mono_mb_emit_calli (mb, csig);
8709 mono_mb_emit_native_call (mb, csig, func);
8713 /* Set LastError if needed */
8714 if (piinfo->piflags & PINVOKE_ATTRIBUTE_SUPPORTS_LAST_ERROR) {
8715 if (!get_last_error_sig) {
8716 get_last_error_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
8717 get_last_error_sig->ret = &mono_defaults.int_class->byval_arg;
8718 get_last_error_sig->pinvoke = 1;
8723 * Have to call GetLastError () early and without a wrapper, since various runtime components could
8724 * clobber its value.
8726 mono_mb_emit_native_call (mb, get_last_error_sig, GetLastError);
8727 mono_mb_emit_icall (mb, mono_marshal_set_last_error_windows);
8729 mono_mb_emit_icall (mb, mono_marshal_set_last_error);
8733 /* convert the result */
8734 if (!sig->ret->byref) {
8735 MonoMarshalSpec *spec = mspecs [0];
8736 type = sig->ret->type;
8738 if (spec && spec->native == MONO_NATIVE_CUSTOM) {
8739 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
8744 case MONO_TYPE_VOID:
8746 case MONO_TYPE_VALUETYPE:
8747 klass = sig->ret->data.klass;
8748 if (klass->enumtype) {
8749 type = mono_class_enum_basetype (sig->ret->data.klass)->type;
8752 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
8766 case MONO_TYPE_FNPTR:
8767 case MONO_TYPE_STRING:
8768 case MONO_TYPE_CLASS:
8769 case MONO_TYPE_OBJECT:
8770 case MONO_TYPE_BOOLEAN:
8771 case MONO_TYPE_ARRAY:
8772 case MONO_TYPE_SZARRAY:
8773 case MONO_TYPE_CHAR:
8775 case MONO_TYPE_GENERICINST:
8776 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
8778 case MONO_TYPE_TYPEDBYREF:
8780 g_warning ("return type 0x%02x unknown", sig->ret->type);
8781 g_assert_not_reached ();
8785 mono_mb_emit_stloc (mb, 3);
8789 * Need to call this after converting the result since MONO_VTADDR needs
8790 * to be adjacent to the call instruction.
8792 if (check_exceptions)
8793 emit_thread_interrupt_checkpoint (mb);
8795 /* we need to convert byref arguments back and free string arrays */
8796 for (i = 0; i < sig->param_count; i++) {
8797 MonoType *t = sig->params [i];
8798 MonoMarshalSpec *spec = mspecs [i + 1];
8800 argnum = i + param_shift;
8802 if (spec && ((spec->native == MONO_NATIVE_CUSTOM) || (spec->native == MONO_NATIVE_ASANY))) {
8803 emit_marshal (&m, argnum, t, spec, tmp_locals [i], NULL, MARSHAL_ACTION_CONV_OUT);
8808 case MONO_TYPE_STRING:
8809 case MONO_TYPE_VALUETYPE:
8810 case MONO_TYPE_CLASS:
8811 case MONO_TYPE_OBJECT:
8812 case MONO_TYPE_SZARRAY:
8813 case MONO_TYPE_BOOLEAN:
8814 emit_marshal (&m, argnum, t, spec, tmp_locals [i], NULL, MARSHAL_ACTION_CONV_OUT);
8819 if (!MONO_TYPE_IS_VOID(sig->ret))
8820 mono_mb_emit_ldloc (mb, 3);
8822 mono_mb_emit_byte (mb, CEE_RET);
8824 #endif /* DISABLE_JIT */
8827 G_GNUC_UNUSED static void
8828 code_for (MonoMethod *method) {
8829 MonoMethodHeader *header = mono_method_get_header (method);
8830 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));
8834 * mono_marshal_get_native_wrapper:
8835 * @method: The MonoMethod to wrap.
8836 * @check_exceptions: Whenever to check for pending exceptions
8838 * generates IL code for the pinvoke wrapper (the generated method
8839 * calls the unmanaged code in piinfo->addr)
8840 * The wrapper info for the wrapper is a WrapperInfo structure.
8843 mono_marshal_get_native_wrapper (MonoMethod *method, gboolean check_exceptions, gboolean aot)
8845 MonoMethodSignature *sig, *csig;
8846 MonoMethodPInvoke *piinfo = (MonoMethodPInvoke *) method;
8847 MonoMethodBuilder *mb;
8848 MonoMarshalSpec **mspecs;
8851 gboolean pinvoke = FALSE;
8854 const char *exc_class = "MissingMethodException";
8855 const char *exc_arg = NULL;
8858 g_assert (method != NULL);
8859 g_assert (mono_method_signature (method)->pinvoke);
8862 cache = get_cache (&method->klass->image->native_wrapper_aot_cache, mono_aligned_addr_hash, NULL);
8864 cache = get_cache (&method->klass->image->native_wrapper_cache, mono_aligned_addr_hash, NULL);
8865 if ((res = mono_marshal_find_in_cache (cache, method)))
8868 if (MONO_CLASS_IS_IMPORT (method->klass)) {
8870 return mono_cominterop_get_native_wrapper (method);
8872 g_assert_not_reached ();
8876 sig = mono_method_signature (method);
8878 if (!(method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
8879 (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL))
8882 if (!piinfo->addr) {
8884 if (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)
8885 exc_arg = "Method contains unsupported native code";
8887 mono_lookup_pinvoke_call (method, &exc_class, &exc_arg);
8889 piinfo->addr = mono_lookup_internal_call (method);
8893 /* hack - redirect certain string constructors to CreateString */
8894 if (piinfo->addr == ves_icall_System_String_ctor_RedirectToCreateString) {
8895 g_assert (!pinvoke);
8896 g_assert (method->string_ctor);
8897 g_assert (sig->hasthis);
8899 /* CreateString returns a value */
8900 csig = signature_dup (method->klass->image, sig);
8901 csig->ret = &mono_defaults.string_class->byval_arg;
8905 while ((res = mono_class_get_methods (mono_defaults.string_class, &iter))) {
8906 if (!strcmp ("CreateString", res->name) &&
8907 mono_metadata_signature_equal (csig, mono_method_signature (res))) {
8910 g_assert (!(res->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL));
8911 g_assert (!(res->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL));
8913 /* create a wrapper to preserve .ctor in stack trace */
8914 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_MANAGED_TO_MANAGED);
8917 mono_mb_emit_byte (mb, CEE_LDARG_0);
8918 for (i = 1; i <= csig->param_count; i++)
8919 mono_mb_emit_ldarg (mb, i);
8920 mono_mb_emit_managed_call (mb, res, NULL);
8921 mono_mb_emit_byte (mb, CEE_RET);
8924 /* use native_wrapper_cache because internal calls are looked up there */
8925 res = mono_mb_create_and_cache (cache, method,
8926 mb, csig, csig->param_count + 1);
8930 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_STRING_CTOR);
8931 info->d.string_ctor.method = method;
8933 mono_marshal_set_wrapper_info (res, info);
8939 /* exception will be thrown */
8940 piinfo->addr = NULL;
8941 g_warning ("cannot find CreateString for .ctor");
8944 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_MANAGED_TO_NATIVE);
8946 mb->method->save_lmf = 1;
8949 * In AOT mode and embedding scenarios, it is possible that the icall is not
8950 * registered in the runtime doing the AOT compilation.
8952 if (!piinfo->addr && !aot) {
8954 mono_mb_emit_exception (mb, exc_class, exc_arg);
8956 csig = signature_dup (method->klass->image, sig);
8958 res = mono_mb_create_and_cache (cache, method,
8959 mb, csig, csig->param_count + 16);
8962 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_NONE);
8963 info->d.managed_to_native.method = method;
8964 mono_marshal_set_wrapper_info (res, info);
8969 /* internal calls: we simply push all arguments and call the method (no conversions) */
8970 if (method->iflags & (METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL | METHOD_IMPL_ATTRIBUTE_RUNTIME)) {
8972 csig = signature_dup_add_this (method->klass->image, sig, method->klass);
8974 csig = signature_dup (method->klass->image, sig);
8976 /* hack - string constructors returns a value */
8977 if (method->string_ctor)
8978 csig->ret = &mono_defaults.string_class->byval_arg;
8985 * Add a null check since public icalls can be called with 'call' which
8986 * does no such check.
8988 mono_mb_emit_byte (mb, CEE_LDARG_0);
8989 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
8990 mono_mb_emit_exception (mb, "NullReferenceException", NULL);
8991 mono_mb_patch_branch (mb, pos);
8993 mono_mb_emit_byte (mb, CEE_LDARG_0);
8996 for (i = 0; i < sig->param_count; i++)
8997 mono_mb_emit_ldarg (mb, i + sig->hasthis);
9000 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
9001 mono_mb_emit_op (mb, CEE_MONO_ICALL_ADDR, &piinfo->method);
9002 mono_mb_emit_calli (mb, csig);
9004 g_assert (piinfo->addr);
9005 mono_mb_emit_native_call (mb, csig, piinfo->addr);
9007 if (check_exceptions)
9008 emit_thread_interrupt_checkpoint (mb);
9009 mono_mb_emit_byte (mb, CEE_RET);
9012 csig = signature_dup (method->klass->image, csig);
9014 res = mono_mb_create_and_cache (cache, method,
9015 mb, csig, csig->param_count + 16);
9017 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_NONE);
9018 info->d.managed_to_native.method = method;
9019 mono_marshal_set_wrapper_info (res, info);
9027 g_assert (piinfo->addr);
9030 mspecs = g_new (MonoMarshalSpec*, sig->param_count + 1);
9031 mono_method_get_marshal_info (method, mspecs);
9033 mono_marshal_emit_native_wrapper (mb->method->klass->image, mb, sig, piinfo, mspecs, piinfo->addr, aot, check_exceptions, FALSE);
9036 csig = signature_dup (method->klass->image, sig);
9038 res = mono_mb_create_and_cache (cache, method,
9039 mb, csig, csig->param_count + 16);
9042 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_NONE);
9043 info->d.managed_to_native.method = method;
9044 mono_marshal_set_wrapper_info (res, info);
9047 for (i = sig->param_count; i >= 0; i--)
9049 mono_metadata_free_marshal_spec (mspecs [i]);
9053 /* code_for (res); */
9059 * mono_marshal_get_native_func_wrapper:
9060 * @image: The image to use for memory allocation and for looking up custom marshallers.
9061 * @sig: The signature of the function
9062 * @func: The native function to wrap
9064 * Returns a wrapper method around native functions, similar to the pinvoke
9068 mono_marshal_get_native_func_wrapper (MonoImage *image, MonoMethodSignature *sig,
9069 MonoMethodPInvoke *piinfo, MonoMarshalSpec **mspecs, gpointer func)
9071 MonoMethodSignature *csig;
9073 MonoMethodBuilder *mb;
9078 cache = get_cache (&image->native_wrapper_cache, mono_aligned_addr_hash, NULL);
9079 if ((res = mono_marshal_find_in_cache (cache, func)))
9082 name = g_strdup_printf ("wrapper_native_%p", func);
9083 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_MANAGED_TO_NATIVE);
9084 mb->method->save_lmf = 1;
9087 mono_marshal_emit_native_wrapper (image, mb, sig, piinfo, mspecs, func, FALSE, TRUE, FALSE);
9090 csig = signature_dup (image, sig);
9092 res = mono_mb_create_and_cache (cache, func,
9093 mb, csig, csig->param_count + 16);
9096 mono_marshal_set_wrapper_info (res, NULL);
9102 * The wrapper receives the native function as a boxed IntPtr as its 'this' argument. This is easier to support in
9106 mono_marshal_get_native_func_wrapper_aot (MonoClass *klass)
9108 MonoMethodSignature *sig, *csig;
9109 MonoMethodBuilder *mb;
9114 MonoMethodPInvoke mpiinfo;
9115 MonoMethodPInvoke *piinfo = &mpiinfo;
9116 MonoMarshalSpec **mspecs;
9117 MonoMethod *invoke = mono_get_delegate_invoke (klass);
9118 MonoImage *image = invoke->klass->image;
9121 // FIXME: include UnmanagedFunctionPointerAttribute info
9124 * The wrapper is associated with the delegate type, to pick up the marshalling info etc.
9126 cache = get_cache (&image->native_func_wrapper_aot_cache, mono_aligned_addr_hash, NULL);
9127 if ((res = mono_marshal_find_in_cache (cache, invoke)))
9130 memset (&mpiinfo, 0, sizeof (mpiinfo));
9131 parse_unmanaged_function_pointer_attr (klass, &mpiinfo);
9133 mspecs = g_new0 (MonoMarshalSpec*, mono_method_signature (invoke)->param_count + 1);
9134 mono_method_get_marshal_info (invoke, mspecs);
9135 /* Freed below so don't alloc from mempool */
9136 sig = mono_metadata_signature_dup (mono_method_signature (invoke));
9139 name = g_strdup_printf ("wrapper_aot_native");
9140 mb = mono_mb_new (invoke->klass, name, MONO_WRAPPER_MANAGED_TO_NATIVE);
9141 mb->method->save_lmf = 1;
9144 mono_marshal_emit_native_wrapper (image, mb, sig, piinfo, mspecs, NULL, FALSE, TRUE, TRUE);
9147 g_assert (!sig->hasthis);
9148 csig = signature_dup_add_this (image, sig, mono_defaults.int_class);
9150 res = mono_mb_create_and_cache (cache, invoke,
9151 mb, csig, csig->param_count + 16);
9154 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_NATIVE_FUNC_AOT);
9155 info->d.managed_to_native.method = invoke;
9157 mono_marshal_set_wrapper_info (res, info);
9159 for (i = mono_method_signature (invoke)->param_count; i >= 0; i--)
9161 mono_metadata_free_marshal_spec (mspecs [i]);
9169 * mono_marshal_emit_managed_wrapper:
9171 * Emit the body of a native-to-managed wrapper. INVOKE_SIG is the signature of
9172 * the delegate which wraps the managed method to be called. For closed delegates,
9173 * it could have fewer parameters than the method it wraps.
9174 * THIS_LOC is the memory location where the target of the delegate is stored.
9177 mono_marshal_emit_managed_wrapper (MonoMethodBuilder *mb, MonoMethodSignature *invoke_sig, MonoMarshalSpec **mspecs, EmitMarshalContext* m, MonoMethod *method, uint32_t target_handle)
9180 MonoMethodSignature *sig, *csig;
9186 /* we first do all conversions */
9187 for (i = 0; i < sig->param_count; i ++) {
9188 MonoType *t = sig->params [i];
9191 case MONO_TYPE_OBJECT:
9192 case MONO_TYPE_CLASS:
9193 case MONO_TYPE_VALUETYPE:
9194 case MONO_TYPE_ARRAY:
9195 case MONO_TYPE_SZARRAY:
9196 case MONO_TYPE_STRING:
9197 case MONO_TYPE_BOOLEAN:
9198 emit_marshal (m, i, sig->params [i], mspecs [i + 1], 0, &csig->params [i], MARSHAL_ACTION_MANAGED_CONV_IN);
9202 if (!sig->ret->byref) {
9203 switch (sig->ret->type) {
9204 case MONO_TYPE_STRING:
9205 csig->ret = &mono_defaults.int_class->byval_arg;
9212 MonoMethodSignature *sig, *csig;
9214 gboolean closed = FALSE;
9219 /* allocate local 0 (pointer) src_ptr */
9220 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9221 /* allocate local 1 (pointer) dst_ptr */
9222 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9223 /* allocate local 2 (boolean) delete_old */
9224 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
9226 if (!sig->hasthis && sig->param_count != invoke_sig->param_count) {
9227 /* Closed delegate */
9228 g_assert (sig->param_count == invoke_sig->param_count + 1);
9230 /* Use a new signature without the first argument */
9231 sig = mono_metadata_signature_dup (sig);
9232 memmove (&sig->params [0], &sig->params [1], (sig->param_count - 1) * sizeof (MonoType*));
9233 sig->param_count --;
9236 if (!MONO_TYPE_IS_VOID(sig->ret)) {
9237 /* allocate local 3 to store the return value */
9238 mono_mb_add_local (mb, sig->ret);
9241 mono_mb_emit_icon (mb, 0);
9242 mono_mb_emit_stloc (mb, 2);
9245 * Might need to attach the thread to the JIT or change the
9246 * domain for the callback.
9248 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
9249 mono_mb_emit_byte (mb, CEE_MONO_JIT_ATTACH);
9251 /* we first do all conversions */
9252 tmp_locals = alloca (sizeof (int) * sig->param_count);
9253 for (i = 0; i < sig->param_count; i ++) {
9254 MonoType *t = sig->params [i];
9257 case MONO_TYPE_OBJECT:
9258 case MONO_TYPE_CLASS:
9259 case MONO_TYPE_VALUETYPE:
9260 case MONO_TYPE_ARRAY:
9261 case MONO_TYPE_SZARRAY:
9262 case MONO_TYPE_STRING:
9263 case MONO_TYPE_BOOLEAN:
9264 tmp_locals [i] = emit_marshal (m, i, sig->params [i], mspecs [i + 1], 0, &csig->params [i], MARSHAL_ACTION_MANAGED_CONV_IN);
9273 emit_thread_interrupt_checkpoint (mb);
9276 if (target_handle) {
9277 mono_mb_emit_icon (mb, (gint32)target_handle);
9278 mono_mb_emit_icall (mb, mono_gchandle_get_target);
9281 g_assert_not_reached ();
9283 } else if (closed) {
9284 mono_mb_emit_icon (mb, (gint32)target_handle);
9285 mono_mb_emit_icall (mb, mono_gchandle_get_target);
9288 for (i = 0; i < sig->param_count; i++) {
9289 MonoType *t = sig->params [i];
9291 if (tmp_locals [i]) {
9293 mono_mb_emit_ldloc_addr (mb, tmp_locals [i]);
9295 mono_mb_emit_ldloc (mb, tmp_locals [i]);
9298 mono_mb_emit_ldarg (mb, i);
9301 mono_mb_emit_managed_call (mb, method, NULL);
9303 if (mspecs [0] && mspecs [0]->native == MONO_NATIVE_CUSTOM) {
9304 emit_marshal (m, 0, sig->ret, mspecs [0], 0, NULL, MARSHAL_ACTION_MANAGED_CONV_RESULT);
9305 } else if (!sig->ret->byref) {
9306 switch (sig->ret->type) {
9307 case MONO_TYPE_VOID:
9309 case MONO_TYPE_BOOLEAN:
9312 case MONO_TYPE_CHAR:
9324 case MONO_TYPE_OBJECT:
9325 mono_mb_emit_stloc (mb, 3);
9327 case MONO_TYPE_STRING:
9328 csig->ret = &mono_defaults.int_class->byval_arg;
9329 emit_marshal (m, 0, sig->ret, mspecs [0], 0, NULL, MARSHAL_ACTION_MANAGED_CONV_RESULT);
9331 case MONO_TYPE_VALUETYPE:
9332 case MONO_TYPE_CLASS:
9333 case MONO_TYPE_SZARRAY:
9334 emit_marshal (m, 0, sig->ret, mspecs [0], 0, NULL, MARSHAL_ACTION_MANAGED_CONV_RESULT);
9337 g_warning ("return type 0x%02x unknown", sig->ret->type);
9338 g_assert_not_reached ();
9341 mono_mb_emit_stloc (mb, 3);
9344 /* Convert byref arguments back */
9345 for (i = 0; i < sig->param_count; i ++) {
9346 MonoType *t = sig->params [i];
9347 MonoMarshalSpec *spec = mspecs [i + 1];
9349 if (spec && spec->native == MONO_NATIVE_CUSTOM) {
9350 emit_marshal (m, i, t, mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_MANAGED_CONV_OUT);
9352 else if (t->byref) {
9354 case MONO_TYPE_CLASS:
9355 case MONO_TYPE_VALUETYPE:
9356 case MONO_TYPE_OBJECT:
9357 case MONO_TYPE_STRING:
9358 case MONO_TYPE_BOOLEAN:
9359 emit_marshal (m, i, t, mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_MANAGED_CONV_OUT);
9363 else if (invoke_sig->params [i]->attrs & PARAM_ATTRIBUTE_OUT) {
9364 /* The [Out] information is encoded in the delegate signature */
9366 case MONO_TYPE_SZARRAY:
9367 case MONO_TYPE_CLASS:
9368 case MONO_TYPE_VALUETYPE:
9369 emit_marshal (m, i, invoke_sig->params [i], mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_MANAGED_CONV_OUT);
9372 g_assert_not_reached ();
9377 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
9378 mono_mb_emit_byte (mb, CEE_MONO_JIT_DETACH);
9380 if (m->retobj_var) {
9381 mono_mb_emit_ldloc (mb, m->retobj_var);
9382 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
9383 mono_mb_emit_op (mb, CEE_MONO_RETOBJ, m->retobj_class);
9386 if (!MONO_TYPE_IS_VOID(sig->ret))
9387 mono_mb_emit_ldloc (mb, 3);
9388 mono_mb_emit_byte (mb, CEE_RET);
9397 mono_marshal_set_callconv_from_modopt (MonoMethod *method, MonoMethodSignature *csig)
9399 MonoMethodSignature *sig;
9404 * Under windows, delegates passed to native code must use the STDCALL
9405 * calling convention.
9407 csig->call_convention = MONO_CALL_STDCALL;
9410 sig = mono_method_signature (method);
9412 /* Change default calling convention if needed */
9413 /* Why is this a modopt ? */
9414 if (sig->ret && sig->ret->num_mods) {
9415 for (i = 0; i < sig->ret->num_mods; ++i) {
9416 MonoClass *cmod_class = mono_class_get (method->klass->image, sig->ret->modifiers [i].token);
9417 g_assert (cmod_class);
9418 if ((cmod_class->image == mono_defaults.corlib) && !strcmp (cmod_class->name_space, "System.Runtime.CompilerServices")) {
9419 if (!strcmp (cmod_class->name, "CallConvCdecl"))
9420 csig->call_convention = MONO_CALL_C;
9421 else if (!strcmp (cmod_class->name, "CallConvStdcall"))
9422 csig->call_convention = MONO_CALL_STDCALL;
9423 else if (!strcmp (cmod_class->name, "CallConvFastcall"))
9424 csig->call_convention = MONO_CALL_FASTCALL;
9425 else if (!strcmp (cmod_class->name, "CallConvThiscall"))
9426 csig->call_convention = MONO_CALL_THISCALL;
9433 * generates IL code to call managed methods from unmanaged code
9434 * If target_handle==0, the wrapper info will be a WrapperInfo structure.
9437 mono_marshal_get_managed_wrapper (MonoMethod *method, MonoClass *delegate_klass, uint32_t target_handle)
9439 static MonoClass *UnmanagedFunctionPointerAttribute;
9440 MonoMethodSignature *sig, *csig, *invoke_sig;
9441 MonoMethodBuilder *mb;
9442 MonoMethod *res, *invoke;
9443 MonoMarshalSpec **mspecs;
9444 MonoMethodPInvoke piinfo;
9447 EmitMarshalContext m;
9449 g_assert (method != NULL);
9450 g_assert (!mono_method_signature (method)->pinvoke);
9453 * FIXME: Should cache the method+delegate type pair, since the same method
9454 * could be called with different delegates, thus different marshalling
9457 cache = get_cache (&method->klass->image->managed_wrapper_cache, mono_aligned_addr_hash, NULL);
9458 if (!target_handle && (res = mono_marshal_find_in_cache (cache, method)))
9461 invoke = mono_get_delegate_invoke (delegate_klass);
9462 invoke_sig = mono_method_signature (invoke);
9464 mspecs = g_new0 (MonoMarshalSpec*, mono_method_signature (invoke)->param_count + 1);
9465 mono_method_get_marshal_info (invoke, mspecs);
9467 sig = mono_method_signature (method);
9469 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_NATIVE_TO_MANAGED);
9471 /*the target gchandle must be the first entry after size and the wrapper itself.*/
9472 mono_mb_add_data (mb, GUINT_TO_POINTER (target_handle));
9474 /* we copy the signature, so that we can modify it */
9476 /* Need to free this later */
9477 csig = mono_metadata_signature_dup (invoke_sig);
9479 csig = signature_dup (method->klass->image, invoke_sig);
9488 m.image = method->klass->image;
9490 mono_marshal_set_callconv_from_modopt (invoke, csig);
9492 /* Handle the UnmanagedFunctionPointerAttribute */
9493 if (!UnmanagedFunctionPointerAttribute)
9494 UnmanagedFunctionPointerAttribute = mono_class_from_name (mono_defaults.corlib, "System.Runtime.InteropServices", "UnmanagedFunctionPointerAttribute");
9496 /* The attribute is only available in Net 2.0 */
9497 if (UnmanagedFunctionPointerAttribute) {
9498 MonoCustomAttrInfo *cinfo;
9499 MonoCustomAttrEntry *attr;
9502 * The pinvoke attributes are stored in a real custom attribute. Obtain the
9503 * contents of the attribute without constructing it, as that might not be
9504 * possible when running in cross-compiling mode.
9506 cinfo = mono_custom_attrs_from_class (delegate_klass);
9509 for (i = 0; i < cinfo->num_attrs; ++i) {
9510 MonoClass *ctor_class = cinfo->attrs [i].ctor->klass;
9511 if (mono_class_has_parent (ctor_class, UnmanagedFunctionPointerAttribute)) {
9512 attr = &cinfo->attrs [i];
9518 MonoArray *typed_args, *named_args;
9519 CattrNamedArg *arginfo;
9523 MonoBoolean set_last_error = 0;
9524 MonoBoolean best_fit_mapping = 0;
9525 MonoBoolean throw_on_unmappable = 0;
9528 mono_reflection_create_custom_attr_data_args (mono_defaults.corlib, attr->ctor, attr->data, attr->data_size, &typed_args, &named_args, &arginfo, &error);
9529 g_assert (mono_error_ok (&error));
9530 g_assert (mono_array_length (typed_args) == 1);
9533 o = mono_array_get (typed_args, MonoObject*, 0);
9534 call_conv = *(gint32*)mono_object_unbox (o);
9537 for (i = 0; i < mono_array_length (named_args); ++i) {
9538 CattrNamedArg *narg = &arginfo [i];
9540 o = mono_array_get (named_args, MonoObject*, i);
9542 g_assert (narg->field);
9543 if (!strcmp (narg->field->name, "CharSet")) {
9544 charset = *(gint32*)mono_object_unbox (o);
9545 } else if (!strcmp (narg->field->name, "SetLastError")) {
9546 set_last_error = *(MonoBoolean*)mono_object_unbox (o);
9547 } else if (!strcmp (narg->field->name, "BestFitMapping")) {
9548 best_fit_mapping = *(MonoBoolean*)mono_object_unbox (o);
9549 } else if (!strcmp (narg->field->name, "ThrowOnUnmappableChar")) {
9550 throw_on_unmappable = *(MonoBoolean*)mono_object_unbox (o);
9552 g_assert_not_reached ();
9558 memset (&piinfo, 0, sizeof (piinfo));
9560 piinfo.piflags = (call_conv << 8) | (charset ? (charset - 1) * 2 : 1) | set_last_error;
9562 csig->call_convention = call_conv - 1;
9565 if (cinfo && !cinfo->cached)
9566 mono_custom_attrs_free (cinfo);
9569 mono_marshal_emit_managed_wrapper (mb, invoke_sig, mspecs, &m, method, target_handle);
9571 if (!target_handle) {
9574 res = mono_mb_create_and_cache (cache, method,
9575 mb, csig, sig->param_count + 16);
9576 // FIXME: Associate it with the method+delegate_klass pair
9577 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_NONE);
9578 info->d.native_to_managed.method = method;
9579 info->d.native_to_managed.klass = delegate_klass;
9580 mono_marshal_set_wrapper_info (res, info);
9585 res = mono_mb_create_method (mb, csig, sig->param_count + 16);
9589 for (i = mono_method_signature (invoke)->param_count; i >= 0; i--)
9591 mono_metadata_free_marshal_spec (mspecs [i]);
9594 /* code_for (res); */
9600 mono_marshal_get_vtfixup_ftnptr (MonoImage *image, guint32 token, guint16 type)
9603 MonoMethodSignature *sig;
9604 MonoMethodBuilder *mb;
9609 method = mono_get_method (image, token, NULL);
9612 if (type & (VTFIXUP_TYPE_FROM_UNMANAGED | VTFIXUP_TYPE_FROM_UNMANAGED_RETAIN_APPDOMAIN)) {
9613 MonoMethodSignature *csig;
9614 MonoMarshalSpec **mspecs;
9615 EmitMarshalContext m;
9617 sig = mono_method_signature (method);
9618 g_assert (!sig->hasthis);
9620 mspecs = g_new0 (MonoMarshalSpec*, sig->param_count + 1);
9621 mono_method_get_marshal_info (method, mspecs);
9623 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_NATIVE_TO_MANAGED);
9624 csig = signature_dup (image, sig);
9635 mono_marshal_set_callconv_from_modopt (method, csig);
9637 /* FIXME: Implement VTFIXUP_TYPE_FROM_UNMANAGED_RETAIN_APPDOMAIN. */
9639 mono_marshal_emit_managed_wrapper (mb, sig, mspecs, &m, method, 0);
9644 method = mono_mb_create_method (mb, csig, sig->param_count + 16);
9647 for (i = sig->param_count; i >= 0; i--)
9649 mono_metadata_free_marshal_spec (mspecs [i]);
9652 return mono_compile_method (method);
9655 sig = mono_method_signature (method);
9656 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_MANAGED_TO_MANAGED);
9659 param_count = sig->param_count + sig->hasthis;
9660 for (i = 0; i < param_count; i++)
9661 mono_mb_emit_ldarg (mb, i);
9663 if (type & VTFIXUP_TYPE_CALL_MOST_DERIVED)
9664 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
9666 mono_mb_emit_op (mb, CEE_CALL, method);
9667 mono_mb_emit_byte (mb, CEE_RET);
9672 method = mono_mb_create_method (mb, sig, param_count);
9675 return mono_compile_method (method);
9678 static MonoReflectionType *
9679 type_from_handle (MonoType *handle)
9681 MonoDomain *domain = mono_domain_get ();
9682 MonoClass *klass = mono_class_from_mono_type (handle);
9684 MONO_ARCH_SAVE_REGS;
9686 mono_class_init (klass);
9687 return mono_type_get_object (domain, handle);
9691 * This does the equivalent of mono_object_castclass_with_cache.
9692 * The wrapper info for the wrapper is a WrapperInfo structure.
9695 mono_marshal_get_castclass_with_cache (void)
9697 static MonoMethod *cached;
9699 MonoMethodBuilder *mb;
9700 MonoMethodSignature *sig;
9701 int return_null_pos, cache_miss_pos, invalid_cast_pos;
9707 mb = mono_mb_new (mono_defaults.object_class, "__castclass_with_cache", MONO_WRAPPER_CASTCLASS);
9708 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
9709 sig->params [0] = &mono_defaults.object_class->byval_arg;
9710 sig->params [1] = &mono_defaults.int_class->byval_arg;
9711 sig->params [2] = &mono_defaults.int_class->byval_arg;
9712 sig->ret = &mono_defaults.object_class->byval_arg;
9716 /* allocate local 0 (pointer) obj_vtable */
9717 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9720 mono_mb_emit_ldarg (mb, 0);
9721 return_null_pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
9723 /*obj_vtable = obj->vtable;*/
9724 mono_mb_emit_ldarg (mb, 0);
9725 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
9726 mono_mb_emit_byte (mb, CEE_LDIND_I);
9727 mono_mb_emit_stloc (mb, 0);
9730 mono_mb_emit_ldarg (mb, 2);
9731 mono_mb_emit_byte (mb, CEE_LDIND_I);
9732 mono_mb_emit_ldloc (mb, 0);
9734 /*if (*cache == obj_vtable)*/
9735 cache_miss_pos = mono_mb_emit_branch (mb, CEE_BNE_UN);
9738 mono_mb_emit_ldarg (mb, 0);
9739 mono_mb_emit_byte (mb, CEE_RET);
9741 mono_mb_patch_branch (mb, cache_miss_pos);
9742 /*if (mono_object_isinst (obj, klass)) */
9743 mono_mb_emit_ldarg (mb, 0);
9744 mono_mb_emit_ldarg (mb, 1);
9745 mono_mb_emit_icall (mb, mono_object_isinst);
9746 invalid_cast_pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
9748 /**cache = obj_vtable;*/
9749 mono_mb_emit_ldarg (mb, 2);
9750 mono_mb_emit_ldloc (mb, 0);
9751 mono_mb_emit_byte (mb, CEE_STIND_I);
9754 mono_mb_emit_ldarg (mb, 0);
9755 mono_mb_emit_byte (mb, CEE_RET);
9758 mono_mb_patch_branch (mb, invalid_cast_pos);
9759 mono_mb_emit_exception (mb, "InvalidCastException", NULL);
9762 mono_mb_patch_branch (mb, return_null_pos);
9763 mono_mb_emit_byte (mb, CEE_LDNULL);
9764 mono_mb_emit_byte (mb, CEE_RET);
9765 #endif /* DISABLE_JIT */
9767 res = mono_mb_create_method (mb, sig, 8);
9768 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_CASTCLASS_WITH_CACHE);
9769 mono_marshal_set_wrapper_info (res, info);
9772 if (InterlockedCompareExchangePointer ((volatile gpointer *)&cached, res, NULL)) {
9773 mono_free_method (res);
9774 mono_metadata_free_method_signature (sig);
9782 * This does the equivalent of mono_object_isinst_with_cache.
9783 * The wrapper info for the wrapper is a WrapperInfo structure.
9786 mono_marshal_get_isinst_with_cache (void)
9788 static MonoMethod *cached;
9790 MonoMethodBuilder *mb;
9791 MonoMethodSignature *sig;
9792 int return_null_pos, cache_miss_pos, cache_hit_pos, not_an_instance_pos, negative_cache_hit_pos;
9798 mb = mono_mb_new (mono_defaults.object_class, "__isinst_with_cache", MONO_WRAPPER_CASTCLASS);
9799 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
9800 sig->params [0] = &mono_defaults.object_class->byval_arg;
9801 sig->params [1] = &mono_defaults.int_class->byval_arg;
9802 sig->params [2] = &mono_defaults.int_class->byval_arg;
9803 sig->ret = &mono_defaults.object_class->byval_arg;
9807 /* allocate local 0 (pointer) obj_vtable */
9808 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9809 /* allocate local 1 (pointer) cached_vtable */
9810 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9813 mono_mb_emit_ldarg (mb, 0);
9814 return_null_pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
9816 /*obj_vtable = obj->vtable;*/
9817 mono_mb_emit_ldarg (mb, 0);
9818 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
9819 mono_mb_emit_byte (mb, CEE_LDIND_I);
9820 mono_mb_emit_stloc (mb, 0);
9822 /* cached_vtable = *cache*/
9823 mono_mb_emit_ldarg (mb, 2);
9824 mono_mb_emit_byte (mb, CEE_LDIND_I);
9825 mono_mb_emit_stloc (mb, 1);
9827 mono_mb_emit_ldloc (mb, 1);
9828 mono_mb_emit_byte (mb, CEE_LDC_I4);
9829 mono_mb_emit_i4 (mb, ~0x1);
9830 mono_mb_emit_byte (mb, CEE_CONV_U);
9831 mono_mb_emit_byte (mb, CEE_AND);
9832 mono_mb_emit_ldloc (mb, 0);
9833 /*if ((cached_vtable & ~0x1)== obj_vtable)*/
9834 cache_miss_pos = mono_mb_emit_branch (mb, CEE_BNE_UN);
9836 /*return (cached_vtable & 0x1) ? NULL : obj;*/
9837 mono_mb_emit_ldloc (mb, 1);
9838 mono_mb_emit_byte(mb, CEE_LDC_I4_1);
9839 mono_mb_emit_byte (mb, CEE_CONV_U);
9840 mono_mb_emit_byte (mb, CEE_AND);
9841 negative_cache_hit_pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
9844 mono_mb_emit_ldarg (mb, 0);
9845 cache_hit_pos = mono_mb_emit_branch (mb, CEE_BR);
9848 mono_mb_patch_branch (mb, negative_cache_hit_pos);
9849 mono_mb_emit_byte (mb, CEE_LDNULL);
9851 mono_mb_patch_branch (mb, cache_hit_pos);
9852 mono_mb_emit_byte (mb, CEE_RET);
9854 mono_mb_patch_branch (mb, cache_miss_pos);
9855 /*if (mono_object_isinst (obj, klass)) */
9856 mono_mb_emit_ldarg (mb, 0);
9857 mono_mb_emit_ldarg (mb, 1);
9858 mono_mb_emit_icall (mb, mono_object_isinst);
9859 not_an_instance_pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
9861 /**cache = obj_vtable;*/
9862 mono_mb_emit_ldarg (mb, 2);
9863 mono_mb_emit_ldloc (mb, 0);
9864 mono_mb_emit_byte (mb, CEE_STIND_I);
9867 mono_mb_emit_ldarg (mb, 0);
9868 mono_mb_emit_byte (mb, CEE_RET);
9871 mono_mb_patch_branch (mb, not_an_instance_pos);
9872 /* *cache = (gpointer)(obj_vtable | 0x1);*/
9873 mono_mb_emit_ldarg (mb, 2);
9874 /*obj_vtable | 0x1*/
9875 mono_mb_emit_ldloc (mb, 0);
9876 mono_mb_emit_byte(mb, CEE_LDC_I4_1);
9877 mono_mb_emit_byte (mb, CEE_CONV_U);
9878 mono_mb_emit_byte (mb, CEE_OR);
9881 mono_mb_emit_byte (mb, CEE_STIND_I);
9884 mono_mb_patch_branch (mb, return_null_pos);
9885 mono_mb_emit_byte (mb, CEE_LDNULL);
9886 mono_mb_emit_byte (mb, CEE_RET);
9889 res = mono_mb_create_method (mb, sig, 8);
9890 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_ISINST_WITH_CACHE);
9891 mono_marshal_set_wrapper_info (res, info);
9894 if (InterlockedCompareExchangePointer ((volatile gpointer *)&cached, res, NULL)) {
9895 mono_free_method (res);
9896 mono_metadata_free_method_signature (sig);
9904 * mono_marshal_get_isinst:
9905 * @klass: the type of the field
9907 * This method generates a function which can be used to check if an object is
9908 * an instance of the given type, icluding the case where the object is a proxy.
9909 * The generated function has the following signature:
9910 * MonoObject* __isinst_wrapper_ (MonoObject *obj)
9913 mono_marshal_get_isinst (MonoClass *klass)
9915 static MonoMethodSignature *isint_sig = NULL;
9918 int pos_was_ok, pos_end;
9919 #ifndef DISABLE_REMOTING
9920 int pos_end2, pos_failed;
9923 MonoMethodBuilder *mb;
9925 cache = get_cache (&klass->image->isinst_cache, mono_aligned_addr_hash, NULL);
9926 if ((res = mono_marshal_find_in_cache (cache, klass)))
9930 isint_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
9931 isint_sig->params [0] = &mono_defaults.object_class->byval_arg;
9932 isint_sig->ret = &mono_defaults.object_class->byval_arg;
9933 isint_sig->pinvoke = 0;
9936 name = g_strdup_printf ("__isinst_wrapper_%s", klass->name);
9937 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_ISINST);
9940 mb->method->save_lmf = 1;
9943 /* check if the object is a proxy that needs special cast */
9944 mono_mb_emit_ldarg (mb, 0);
9945 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
9946 mono_mb_emit_op (mb, CEE_MONO_CISINST, klass);
9948 /* The result of MONO_CISINST can be:
9949 0) the type check succeeded
9950 1) the type check did not succeed
9951 2) a CanCastTo call is needed */
9952 #ifndef DISABLE_REMOTING
9953 mono_mb_emit_byte (mb, CEE_DUP);
9954 pos_was_ok = mono_mb_emit_branch (mb, CEE_BRFALSE);
9956 mono_mb_emit_byte (mb, CEE_LDC_I4_2);
9957 pos_failed = mono_mb_emit_branch (mb, CEE_BNE_UN);
9959 /* get the real proxy from the transparent proxy*/
9961 mono_mb_emit_ldarg (mb, 0);
9962 mono_mb_emit_managed_call (mb, mono_marshal_get_proxy_cancast (klass), NULL);
9963 pos_end = mono_mb_emit_branch (mb, CEE_BR);
9967 mono_mb_patch_branch (mb, pos_failed);
9968 mono_mb_emit_byte (mb, CEE_LDNULL);
9969 pos_end2 = mono_mb_emit_branch (mb, CEE_BR);
9973 mono_mb_patch_branch (mb, pos_was_ok);
9974 mono_mb_emit_byte (mb, CEE_POP);
9975 mono_mb_emit_ldarg (mb, 0);
9979 mono_mb_patch_branch (mb, pos_end);
9980 mono_mb_patch_branch (mb, pos_end2);
9981 mono_mb_emit_byte (mb, CEE_RET);
9983 pos_was_ok = mono_mb_emit_branch (mb, CEE_BRFALSE);
9987 mono_mb_emit_byte (mb, CEE_LDNULL);
9988 pos_end = mono_mb_emit_branch (mb, CEE_BR);
9992 mono_mb_patch_branch (mb, pos_was_ok);
9993 mono_mb_emit_ldarg (mb, 0);
9997 mono_mb_patch_branch (mb, pos_end);
9998 mono_mb_emit_byte (mb, CEE_RET);
9999 #endif /* DISABLE_REMOTING */
10000 #endif /* DISABLE_JIT */
10002 res = mono_mb_create_and_cache (cache, klass, mb, isint_sig, isint_sig->param_count + 16);
10009 * mono_marshal_get_castclass:
10010 * @klass: the type of the field
10012 * This method generates a function which can be used to cast an object to
10013 * an instance of the given type, icluding the case where the object is a proxy.
10014 * The generated function has the following signature:
10015 * MonoObject* __castclass_wrapper_ (MonoObject *obj)
10016 * The wrapper info for the wrapper is a WrapperInfo structure.
10019 mono_marshal_get_castclass (MonoClass *klass)
10021 static MonoMethodSignature *castclass_sig = NULL;
10024 #ifndef DISABLE_REMOTING
10025 int pos_was_ok, pos_was_ok2;
10028 MonoMethodBuilder *mb;
10031 cache = get_cache (&klass->image->castclass_cache, mono_aligned_addr_hash, NULL);
10032 if ((res = mono_marshal_find_in_cache (cache, klass)))
10035 if (!castclass_sig) {
10036 castclass_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
10037 castclass_sig->params [0] = &mono_defaults.object_class->byval_arg;
10038 castclass_sig->ret = &mono_defaults.object_class->byval_arg;
10039 castclass_sig->pinvoke = 0;
10042 name = g_strdup_printf ("__castclass_wrapper_%s", klass->name);
10043 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_CASTCLASS);
10046 mb->method->save_lmf = 1;
10048 #ifndef DISABLE_JIT
10049 /* check if the object is a proxy that needs special cast */
10050 mono_mb_emit_ldarg (mb, 0);
10051 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
10052 mono_mb_emit_op (mb, CEE_MONO_CCASTCLASS, klass);
10054 /* The result of MONO_CCASTCLASS can be:
10055 0) the cast is valid
10056 1) cast of unknown proxy type
10057 or an exception if the cast is is invalid
10059 #ifndef DISABLE_REMOTING
10060 pos_was_ok = mono_mb_emit_branch (mb, CEE_BRFALSE);
10062 /* get the real proxy from the transparent proxy*/
10064 mono_mb_emit_ldarg (mb, 0);
10065 mono_mb_emit_managed_call (mb, mono_marshal_get_proxy_cancast (klass), NULL);
10066 pos_was_ok2 = mono_mb_emit_branch (mb, CEE_BRTRUE);
10069 mono_mb_emit_exception (mb, "InvalidCastException", NULL);
10072 mono_mb_patch_branch (mb, pos_was_ok);
10073 mono_mb_patch_branch (mb, pos_was_ok2);
10075 /* MONO_CCASTCLASS leaves an int in the stack with the result, pop it. */
10076 mono_mb_emit_byte (mb, CEE_POP);
10077 #endif /* DISABLE_REMOTING */
10079 mono_mb_emit_ldarg (mb, 0);
10082 mono_mb_emit_byte (mb, CEE_RET);
10083 #endif /* DISABLE_JIT */
10085 res = mono_mb_create_and_cache (cache, klass, mb, castclass_sig, castclass_sig->param_count + 16);
10088 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_NONE);
10089 mono_marshal_set_wrapper_info (res, info);
10094 #ifndef DISABLE_REMOTING
10096 mono_marshal_get_proxy_cancast (MonoClass *klass)
10098 static MonoMethodSignature *isint_sig = NULL;
10101 int pos_failed, pos_end;
10102 char *name, *klass_name;
10103 MonoMethod *can_cast_to;
10104 MonoMethodDesc *desc;
10105 MonoMethodBuilder *mb;
10107 cache = get_cache (&klass->image->proxy_isinst_cache, mono_aligned_addr_hash, NULL);
10108 if ((res = mono_marshal_find_in_cache (cache, klass)))
10112 isint_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
10113 isint_sig->params [0] = &mono_defaults.object_class->byval_arg;
10114 isint_sig->ret = &mono_defaults.object_class->byval_arg;
10115 isint_sig->pinvoke = 0;
10118 klass_name = mono_type_full_name (&klass->byval_arg);
10119 name = g_strdup_printf ("__proxy_isinst_wrapper_%s", klass_name);
10120 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_PROXY_ISINST);
10121 g_free (klass_name);
10124 mb->method->save_lmf = 1;
10126 #ifndef DISABLE_JIT
10127 /* get the real proxy from the transparent proxy*/
10128 mono_mb_emit_ldarg (mb, 0);
10129 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
10130 mono_mb_emit_byte (mb, CEE_LDIND_REF);
10132 /* get the reflection type from the type handle */
10133 mono_mb_emit_ptr (mb, &klass->byval_arg);
10134 mono_mb_emit_icall (mb, type_from_handle);
10136 mono_mb_emit_ldarg (mb, 0);
10138 /* make the call to CanCastTo (type, ob) */
10139 desc = mono_method_desc_new ("IRemotingTypeInfo:CanCastTo", FALSE);
10140 can_cast_to = mono_method_desc_search_in_class (desc, mono_defaults.iremotingtypeinfo_class);
10141 g_assert (can_cast_to);
10142 mono_method_desc_free (desc);
10143 mono_mb_emit_op (mb, CEE_CALLVIRT, can_cast_to);
10145 pos_failed = mono_mb_emit_branch (mb, CEE_BRFALSE);
10147 /* Upgrade the proxy vtable by calling: mono_upgrade_remote_class_wrapper (type, ob)*/
10148 mono_mb_emit_ptr (mb, &klass->byval_arg);
10149 mono_mb_emit_icall (mb, type_from_handle);
10150 mono_mb_emit_ldarg (mb, 0);
10152 mono_mb_emit_icall (mb, mono_upgrade_remote_class_wrapper);
10153 emit_thread_interrupt_checkpoint (mb);
10155 mono_mb_emit_ldarg (mb, 0);
10156 pos_end = mono_mb_emit_branch (mb, CEE_BR);
10160 mono_mb_patch_branch (mb, pos_failed);
10161 mono_mb_emit_byte (mb, CEE_LDNULL);
10165 mono_mb_patch_branch (mb, pos_end);
10166 mono_mb_emit_byte (mb, CEE_RET);
10169 res = mono_mb_create_and_cache (cache, klass, mb, isint_sig, isint_sig->param_count + 16);
10176 mono_upgrade_remote_class_wrapper (MonoReflectionType *rtype, MonoTransparentProxy *tproxy)
10179 MonoDomain *domain = ((MonoObject*)tproxy)->vtable->domain;
10180 klass = mono_class_from_mono_type (rtype->type);
10181 mono_upgrade_remote_class (domain, (MonoObject*)tproxy, klass);
10183 #endif /*DISABLE_REMOTING */
10186 * mono_marshal_get_struct_to_ptr:
10189 * generates IL code for StructureToPtr (object structure, IntPtr ptr, bool fDeleteOld)
10190 * The wrapper info for the wrapper is a WrapperInfo structure.
10193 mono_marshal_get_struct_to_ptr (MonoClass *klass)
10195 MonoMethodBuilder *mb;
10196 static MonoMethod *stoptr = NULL;
10200 g_assert (klass != NULL);
10202 mono_marshal_load_type_info (klass);
10204 if (klass->marshal_info->str_to_ptr)
10205 return klass->marshal_info->str_to_ptr;
10208 stoptr = mono_class_get_method_from_name (mono_defaults.marshal_class, "StructureToPtr", 3);
10211 mb = mono_mb_new (klass, stoptr->name, MONO_WRAPPER_UNKNOWN);
10213 #ifndef DISABLE_JIT
10214 if (klass->blittable) {
10215 mono_mb_emit_byte (mb, CEE_LDARG_1);
10216 mono_mb_emit_byte (mb, CEE_LDARG_0);
10217 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
10218 mono_mb_emit_icon (mb, mono_class_value_size (klass, NULL));
10219 mono_mb_emit_byte (mb, CEE_PREFIX1);
10220 mono_mb_emit_byte (mb, CEE_CPBLK);
10223 /* allocate local 0 (pointer) src_ptr */
10224 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10225 /* allocate local 1 (pointer) dst_ptr */
10226 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10227 /* allocate local 2 (boolean) delete_old */
10228 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
10229 mono_mb_emit_byte (mb, CEE_LDARG_2);
10230 mono_mb_emit_stloc (mb, 2);
10232 /* initialize src_ptr to point to the start of object data */
10233 mono_mb_emit_byte (mb, CEE_LDARG_0);
10234 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
10235 mono_mb_emit_stloc (mb, 0);
10237 /* initialize dst_ptr */
10238 mono_mb_emit_byte (mb, CEE_LDARG_1);
10239 mono_mb_emit_stloc (mb, 1);
10241 emit_struct_conv (mb, klass, FALSE);
10244 mono_mb_emit_byte (mb, CEE_RET);
10247 res = mono_mb_create_method (mb, mono_signature_no_pinvoke (stoptr), 0);
10250 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_STRUCTURE_TO_PTR);
10251 mono_marshal_set_wrapper_info (res, info);
10253 klass->marshal_info->str_to_ptr = res;
10258 * mono_marshal_get_ptr_to_struct:
10261 * generates IL code for PtrToStructure (IntPtr src, object structure)
10262 * The wrapper info for the wrapper is a WrapperInfo structure.
10265 mono_marshal_get_ptr_to_struct (MonoClass *klass)
10267 MonoMethodBuilder *mb;
10268 static MonoMethodSignature *ptostr = NULL;
10272 g_assert (klass != NULL);
10274 mono_marshal_load_type_info (klass);
10276 if (klass->marshal_info->ptr_to_str)
10277 return klass->marshal_info->ptr_to_str;
10280 MonoMethodSignature *sig;
10282 /* Create the signature corresponding to
10283 static void PtrToStructure (IntPtr ptr, object structure);
10284 defined in class/corlib/System.Runtime.InteropServices/Marshal.cs */
10285 sig = mono_create_icall_signature ("void ptr object");
10286 sig = signature_dup (mono_defaults.corlib, sig);
10288 mono_memory_barrier ();
10292 mb = mono_mb_new (klass, "PtrToStructure", MONO_WRAPPER_UNKNOWN);
10294 #ifndef DISABLE_JIT
10295 if (klass->blittable) {
10296 mono_mb_emit_byte (mb, CEE_LDARG_1);
10297 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
10298 mono_mb_emit_byte (mb, CEE_LDARG_0);
10299 mono_mb_emit_icon (mb, mono_class_value_size (klass, NULL));
10300 mono_mb_emit_byte (mb, CEE_PREFIX1);
10301 mono_mb_emit_byte (mb, CEE_CPBLK);
10304 /* allocate local 0 (pointer) src_ptr */
10305 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10306 /* allocate local 1 (pointer) dst_ptr */
10307 mono_mb_add_local (mb, &klass->this_arg);
10309 /* initialize src_ptr to point to the start of object data */
10310 mono_mb_emit_byte (mb, CEE_LDARG_0);
10311 mono_mb_emit_stloc (mb, 0);
10313 /* initialize dst_ptr */
10314 mono_mb_emit_byte (mb, CEE_LDARG_1);
10315 mono_mb_emit_op (mb, CEE_UNBOX, klass);
10316 mono_mb_emit_stloc (mb, 1);
10318 emit_struct_conv (mb, klass, TRUE);
10321 mono_mb_emit_byte (mb, CEE_RET);
10324 res = mono_mb_create_method (mb, ptostr, 0);
10327 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_PTR_TO_STRUCTURE);
10328 mono_marshal_set_wrapper_info (res, info);
10330 klass->marshal_info->ptr_to_str = res;
10335 * Return a dummy wrapper for METHOD which is called by synchronized wrappers.
10336 * This is used to avoid infinite recursion since it is hard to determine where to
10337 * replace a method with its synchronized wrapper, and where not.
10338 * The runtime should execute METHOD instead of the wrapper.
10339 * The wrapper info for the wrapper is a WrapperInfo structure.
10342 mono_marshal_get_synchronized_inner_wrapper (MonoMethod *method)
10344 MonoMethodBuilder *mb;
10346 MonoMethodSignature *sig;
10348 MonoGenericContext *ctx = NULL;
10349 MonoMethod *orig_method = NULL;
10350 MonoGenericContainer *container = NULL;
10352 if (method->is_inflated && !mono_method_get_context (method)->method_inst) {
10353 orig_method = method;
10354 ctx = &((MonoMethodInflated*)method)->context;
10355 method = ((MonoMethodInflated*)method)->declaring;
10356 container = mono_method_get_generic_container (method);
10358 container = method->klass->generic_container;
10359 g_assert (container);
10362 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_UNKNOWN);
10363 #ifndef DISABLE_JIT
10364 mono_mb_emit_exception_full (mb, "System", "ExecutionEngineException", "Shouldn't be called.");
10365 mono_mb_emit_byte (mb, CEE_RET);
10367 sig = signature_dup (method->klass->image, mono_method_signature (method));
10368 res = mono_mb_create_method (mb, sig, 0);
10370 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_SYNCHRONIZED_INNER);
10371 info->d.synchronized_inner.method = method;
10372 mono_marshal_set_wrapper_info (res, info);
10374 res = mono_class_inflate_generic_method (res, ctx);
10379 * generates IL code for the synchronized wrapper: the generated method
10380 * calls METHOD while locking 'this' or the parent type.
10383 mono_marshal_get_synchronized_wrapper (MonoMethod *method)
10385 static MonoMethod *enter_method, *exit_method, *gettypefromhandle_method;
10386 MonoMethodSignature *sig;
10387 MonoExceptionClause *clause;
10388 MonoMethodBuilder *mb;
10391 int i, pos, this_local, ret_local = 0;
10392 MonoGenericContext *ctx = NULL;
10393 MonoMethod *orig_method = NULL;
10394 MonoGenericContainer *container = NULL;
10398 if (method->wrapper_type == MONO_WRAPPER_SYNCHRONIZED)
10401 /* FIXME: Support generic methods too */
10402 if (method->is_inflated && !mono_method_get_context (method)->method_inst) {
10403 orig_method = method;
10404 ctx = &((MonoMethodInflated*)method)->context;
10405 method = ((MonoMethodInflated*)method)->declaring;
10406 container = mono_method_get_generic_container (method);
10408 container = method->klass->generic_container;
10409 g_assert (container);
10416 cache = get_cache (&method->klass->image->synchronized_generic_cache, mono_aligned_addr_hash, NULL);
10417 res = check_generic_wrapper_cache (cache, orig_method, orig_method, method);
10421 cache = get_cache (&method->klass->image->synchronized_cache, mono_aligned_addr_hash, NULL);
10422 if ((res = mono_marshal_find_in_cache (cache, method)))
10426 sig = signature_dup (method->klass->image, mono_method_signature (method));
10429 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_SYNCHRONIZED);
10431 #ifndef DISABLE_JIT
10433 if (!MONO_TYPE_IS_VOID (sig->ret))
10434 ret_local = mono_mb_add_local (mb, sig->ret);
10437 if (method->klass->valuetype && !(method->flags & MONO_METHOD_ATTR_STATIC)) {
10438 mono_class_set_failure (method->klass, MONO_EXCEPTION_TYPE_LOAD, NULL);
10439 #ifndef DISABLE_JIT
10440 /* This will throw the type load exception when the wrapper is compiled */
10441 mono_mb_emit_byte (mb, CEE_LDNULL);
10442 mono_mb_emit_op (mb, CEE_ISINST, method->klass);
10443 mono_mb_emit_byte (mb, CEE_POP);
10445 if (!MONO_TYPE_IS_VOID (sig->ret))
10446 mono_mb_emit_ldloc (mb, ret_local);
10447 mono_mb_emit_byte (mb, CEE_RET);
10450 res = mono_mb_create_and_cache (cache, method,
10451 mb, sig, sig->param_count + 16);
10457 #ifndef DISABLE_JIT
10459 this_local = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
10461 clause = mono_image_alloc0 (method->klass->image, sizeof (MonoExceptionClause));
10462 clause->flags = MONO_EXCEPTION_CLAUSE_FINALLY;
10465 mono_marshal_lock ();
10467 if (!enter_method) {
10468 MonoMethodDesc *desc;
10470 desc = mono_method_desc_new ("Monitor:Enter", FALSE);
10471 enter_method = mono_method_desc_search_in_class (desc, mono_defaults.monitor_class);
10472 g_assert (enter_method);
10473 mono_method_desc_free (desc);
10475 desc = mono_method_desc_new ("Monitor:Exit", FALSE);
10476 exit_method = mono_method_desc_search_in_class (desc, mono_defaults.monitor_class);
10477 g_assert (exit_method);
10478 mono_method_desc_free (desc);
10480 desc = mono_method_desc_new ("Type:GetTypeFromHandle", FALSE);
10481 gettypefromhandle_method = mono_method_desc_search_in_class (desc, mono_defaults.systemtype_class);
10482 g_assert (gettypefromhandle_method);
10483 mono_method_desc_free (desc);
10486 mono_marshal_unlock ();
10488 #ifndef DISABLE_JIT
10489 /* Push this or the type object */
10490 if (method->flags & METHOD_ATTRIBUTE_STATIC) {
10491 /* We have special handling for this in the JIT */
10492 int index = mono_mb_add_data (mb, method->klass);
10493 mono_mb_add_data (mb, mono_defaults.typehandle_class);
10494 mono_mb_emit_byte (mb, CEE_LDTOKEN);
10495 mono_mb_emit_i4 (mb, index);
10497 mono_mb_emit_managed_call (mb, gettypefromhandle_method, NULL);
10500 mono_mb_emit_ldarg (mb, 0);
10501 mono_mb_emit_stloc (mb, this_local);
10503 /* Call Monitor::Enter() */
10504 mono_mb_emit_ldloc (mb, this_local);
10505 mono_mb_emit_managed_call (mb, enter_method, NULL);
10507 clause->try_offset = mono_mb_get_label (mb);
10509 /* Call the method */
10511 mono_mb_emit_ldarg (mb, 0);
10512 for (i = 0; i < sig->param_count; i++)
10513 mono_mb_emit_ldarg (mb, i + (sig->hasthis == TRUE));
10516 mono_mb_emit_managed_call (mb, mono_class_inflate_generic_method (method, &container->context), NULL);
10518 mono_mb_emit_managed_call (mb, method, NULL);
10520 if (!MONO_TYPE_IS_VOID (sig->ret))
10521 mono_mb_emit_stloc (mb, ret_local);
10523 pos = mono_mb_emit_branch (mb, CEE_LEAVE);
10525 clause->try_len = mono_mb_get_pos (mb) - clause->try_offset;
10526 clause->handler_offset = mono_mb_get_label (mb);
10528 /* Call Monitor::Exit() */
10529 mono_mb_emit_ldloc (mb, this_local);
10530 mono_mb_emit_managed_call (mb, exit_method, NULL);
10531 mono_mb_emit_byte (mb, CEE_ENDFINALLY);
10533 clause->handler_len = mono_mb_get_pos (mb) - clause->handler_offset;
10535 mono_mb_patch_branch (mb, pos);
10536 if (!MONO_TYPE_IS_VOID (sig->ret))
10537 mono_mb_emit_ldloc (mb, ret_local);
10538 mono_mb_emit_byte (mb, CEE_RET);
10540 mono_mb_set_clauses (mb, 1, clause);
10545 def = mono_mb_create_and_cache (cache, method, mb, sig, sig->param_count + 16);
10546 res = cache_generic_wrapper (cache, orig_method, def, ctx, orig_method);
10548 res = mono_mb_create_and_cache (cache, method,
10549 mb, sig, sig->param_count + 16);
10558 * the returned method calls 'method' unboxing the this argument
10561 mono_marshal_get_unbox_wrapper (MonoMethod *method)
10563 MonoMethodSignature *sig = mono_method_signature (method);
10565 MonoMethodBuilder *mb;
10569 cache = get_cache (&method->klass->image->unbox_wrapper_cache, mono_aligned_addr_hash, NULL);
10570 if ((res = mono_marshal_find_in_cache (cache, method)))
10573 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_UNBOX);
10575 g_assert (sig->hasthis);
10577 #ifndef DISABLE_JIT
10578 mono_mb_emit_ldarg (mb, 0);
10579 mono_mb_emit_icon (mb, sizeof (MonoObject));
10580 mono_mb_emit_byte (mb, CEE_ADD);
10581 for (i = 0; i < sig->param_count; ++i)
10582 mono_mb_emit_ldarg (mb, i + 1);
10583 mono_mb_emit_managed_call (mb, method, NULL);
10584 mono_mb_emit_byte (mb, CEE_RET);
10587 res = mono_mb_create_and_cache (cache, method,
10588 mb, sig, sig->param_count + 16);
10591 /* code_for (res); */
10597 STELEMREF_OBJECT, /*no check at all*/
10598 STELEMREF_SEALED_CLASS, /*check vtable->klass->element_type */
10599 STELEMREF_CLASS, /*only the klass->parents check*/
10600 STELEMREF_INTERFACE, /*interfaces without variant generic arguments. */
10601 STELEMREF_COMPLEX, /*arrays, MBR or types with variant generic args - go straight to icalls*/
10602 STELEMREF_KIND_COUNT
10605 static const char *strelemref_wrapper_name[] = {
10606 "object", "sealed_class", "class", "interface", "complex"
10610 is_monomorphic_array (MonoClass *klass)
10612 MonoClass *element_class;
10613 if (klass->rank != 1)
10616 element_class = klass->element_class;
10617 return (element_class->flags & TYPE_ATTRIBUTE_SEALED) || element_class->valuetype;
10621 get_virtual_stelemref_kind (MonoClass *element_class)
10623 if (element_class == mono_defaults.object_class)
10624 return STELEMREF_OBJECT;
10625 if (is_monomorphic_array (element_class))
10626 return STELEMREF_SEALED_CLASS;
10627 /* Compressed interface bitmaps require code that is quite complex, so don't optimize for it. */
10628 if (MONO_CLASS_IS_INTERFACE (element_class) && !mono_class_has_variant_generic_params (element_class))
10629 #ifdef COMPRESSED_INTERFACE_BITMAP
10630 return STELEMREF_COMPLEX;
10632 return STELEMREF_INTERFACE;
10634 /*Arrays are sealed but are covariant on their element type, We can't use any of the fast paths.*/
10635 if (mono_class_is_marshalbyref (element_class) || element_class->rank || mono_class_has_variant_generic_params (element_class))
10636 return STELEMREF_COMPLEX;
10637 if (element_class->flags & TYPE_ATTRIBUTE_SEALED)
10638 return STELEMREF_SEALED_CLASS;
10639 return STELEMREF_CLASS;
10642 #ifndef DISABLE_JIT
10645 load_array_element_address (MonoMethodBuilder *mb)
10647 mono_mb_emit_ldarg (mb, 0);
10648 mono_mb_emit_ldarg (mb, 1);
10649 mono_mb_emit_op (mb, CEE_LDELEMA, mono_defaults.object_class);
10653 load_array_class (MonoMethodBuilder *mb, int aklass)
10655 mono_mb_emit_ldarg (mb, 0);
10656 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
10657 mono_mb_emit_byte (mb, CEE_LDIND_I);
10658 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, klass));
10659 mono_mb_emit_byte (mb, CEE_LDIND_I);
10660 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, element_class));
10661 mono_mb_emit_byte (mb, CEE_LDIND_I);
10662 mono_mb_emit_stloc (mb, aklass);
10666 load_value_class (MonoMethodBuilder *mb, int vklass)
10668 mono_mb_emit_ldarg (mb, 2);
10669 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
10670 mono_mb_emit_byte (mb, CEE_LDIND_I);
10671 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, klass));
10672 mono_mb_emit_byte (mb, CEE_LDIND_I);
10673 mono_mb_emit_stloc (mb, vklass);
10679 record_slot_vstore (MonoObject *array, size_t index, MonoObject *value)
10681 char *name = mono_type_get_full_name (array->vtable->klass->element_class);
10682 printf ("slow vstore of %s\n", name);
10688 * The wrapper info for the wrapper is a WrapperInfo structure.
10691 * - Separate simple interfaces from variant interfaces or mbr types. This way we can avoid the icall for them.
10692 * - Emit a (new) mono bytecode that produces OP_COND_EXC_NE_UN to raise ArrayTypeMismatch
10693 * - Maybe mve some MonoClass field into the vtable to reduce the number of loads
10694 * - Add a case for arrays of arrays.
10697 get_virtual_stelemref_wrapper (int kind)
10699 static MonoMethod *cached_methods [STELEMREF_KIND_COUNT] = { NULL }; /*object iface sealed regular*/
10700 static MonoMethodSignature *signature;
10701 MonoMethodBuilder *mb;
10704 const char *param_names [16];
10705 guint32 b1, b2, b3;
10706 int aklass, vklass, vtable, uiid;
10707 int array_slot_addr;
10710 if (cached_methods [kind])
10711 return cached_methods [kind];
10713 name = g_strdup_printf ("virt_stelemref_%s", strelemref_wrapper_name [kind]);
10714 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_STELEMREF);
10718 MonoMethodSignature *sig = mono_metadata_signature_alloc (mono_defaults.corlib, 2);
10720 /* void this::stelemref (size_t idx, void* value) */
10721 sig->ret = &mono_defaults.void_class->byval_arg;
10722 sig->hasthis = TRUE;
10723 sig->params [0] = &mono_defaults.int_class->byval_arg; /* this is a natural sized int */
10724 sig->params [1] = &mono_defaults.object_class->byval_arg;
10728 #ifndef DISABLE_JIT
10729 param_names [0] = "index";
10730 param_names [1] = "value";
10731 mono_mb_set_param_names (mb, param_names);
10733 /*For now simply call plain old stelemref*/
10735 case STELEMREF_OBJECT:
10736 /* ldelema (implicit bound check) */
10737 load_array_element_address (mb);
10739 mono_mb_emit_ldarg (mb, 2);
10740 mono_mb_emit_byte (mb, CEE_STIND_REF);
10741 mono_mb_emit_byte (mb, CEE_RET);
10744 case STELEMREF_COMPLEX:
10746 <ldelema (bound check)>
10749 if (!mono_object_isinst (value, aklass))
10753 *array_slot_addr = value;
10756 throw new ArrayTypeMismatchException ();
10759 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10760 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
10764 /*Use this to debug/record stores that are going thru the slow path*/
10765 MonoMethodSignature *csig;
10766 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
10767 csig->ret = &mono_defaults.void_class->byval_arg;
10768 csig->params [0] = &mono_defaults.object_class->byval_arg;
10769 csig->params [1] = &mono_defaults.int_class->byval_arg; /* this is a natural sized int */
10770 csig->params [2] = &mono_defaults.object_class->byval_arg;
10771 mono_mb_emit_ldarg (mb, 0);
10772 mono_mb_emit_ldarg (mb, 1);
10773 mono_mb_emit_ldarg (mb, 2);
10774 mono_mb_emit_native_call (mb, csig, record_slot_vstore);
10778 /* ldelema (implicit bound check) */
10779 load_array_element_address (mb);
10780 mono_mb_emit_stloc (mb, array_slot_addr);
10782 /* if (!value) goto do_store */
10783 mono_mb_emit_ldarg (mb, 2);
10784 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
10786 /* aklass = array->vtable->klass->element_class */
10787 load_array_class (mb, aklass);
10789 /*if (mono_object_isinst (value, aklass)) */
10790 mono_mb_emit_ldarg (mb, 2);
10791 mono_mb_emit_ldloc (mb, aklass);
10792 mono_mb_emit_icall (mb, mono_object_isinst);
10793 b2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
10796 mono_mb_patch_branch (mb, b1);
10797 mono_mb_emit_ldloc (mb, array_slot_addr);
10798 mono_mb_emit_ldarg (mb, 2);
10799 mono_mb_emit_byte (mb, CEE_STIND_REF);
10800 mono_mb_emit_byte (mb, CEE_RET);
10802 /* do_exception: */
10803 mono_mb_patch_branch (mb, b2);
10805 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
10808 case STELEMREF_SEALED_CLASS:
10810 <ldelema (bound check)>
10814 aklass = array->vtable->klass->element_class;
10815 vklass = value->vtable->klass;
10817 if (vklass != aklass)
10821 *array_slot_addr = value;
10824 throw new ArrayTypeMismatchException ();
10826 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10827 vklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10828 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
10831 /* ldelema (implicit bound check) */
10832 load_array_element_address (mb);
10833 mono_mb_emit_stloc (mb, array_slot_addr);
10835 /* if (!value) goto do_store */
10836 mono_mb_emit_ldarg (mb, 2);
10837 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
10839 /* aklass = array->vtable->klass->element_class */
10840 load_array_class (mb, aklass);
10842 /* vklass = value->vtable->klass */
10843 load_value_class (mb, vklass);
10845 /*if (vklass != aklass) goto do_exception; */
10846 mono_mb_emit_ldloc (mb, aklass);
10847 mono_mb_emit_ldloc (mb, vklass);
10848 b2 = mono_mb_emit_branch (mb, CEE_BNE_UN);
10851 mono_mb_patch_branch (mb, b1);
10852 mono_mb_emit_ldloc (mb, array_slot_addr);
10853 mono_mb_emit_ldarg (mb, 2);
10854 mono_mb_emit_byte (mb, CEE_STIND_REF);
10855 mono_mb_emit_byte (mb, CEE_RET);
10857 /* do_exception: */
10858 mono_mb_patch_branch (mb, b2);
10859 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
10862 case STELEMREF_CLASS:
10865 <ldelema (bound check)>
10869 aklass = array->vtable->klass->element_class;
10870 vklass = value->vtable->klass;
10872 if (vklass->idepth < aklass->idepth)
10875 if (vklass->supertypes [aklass->idepth - 1] != aklass)
10879 *array_slot_addr = value;
10883 throw new ArrayTypeMismatchException ();
10885 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10886 vklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10887 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
10889 /* ldelema (implicit bound check) */
10890 load_array_element_address (mb);
10891 mono_mb_emit_stloc (mb, array_slot_addr);
10893 /* if (!value) goto do_store */
10894 mono_mb_emit_ldarg (mb, 2);
10895 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
10897 /* aklass = array->vtable->klass->element_class */
10898 load_array_class (mb, aklass);
10900 /* vklass = value->vtable->klass */
10901 load_value_class (mb, vklass);
10903 /*if (mono_object_isinst (value, aklass)) */
10904 mono_mb_emit_ldarg (mb, 2);
10905 mono_mb_emit_ldloc (mb, aklass);
10906 mono_mb_emit_icall (mb, mono_object_isinst);
10907 b2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
10909 /* if (vklass->idepth < aklass->idepth) goto failue */
10910 mono_mb_emit_ldloc (mb, vklass);
10911 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
10912 mono_mb_emit_byte (mb, CEE_LDIND_U2);
10914 mono_mb_emit_ldloc (mb, aklass);
10915 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
10916 mono_mb_emit_byte (mb, CEE_LDIND_U2);
10918 b2 = mono_mb_emit_branch (mb, CEE_BLT_UN);
10920 /* if (vklass->supertypes [aklass->idepth - 1] != aklass) goto failure */
10921 mono_mb_emit_ldloc (mb, vklass);
10922 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, supertypes));
10923 mono_mb_emit_byte (mb, CEE_LDIND_I);
10925 mono_mb_emit_ldloc (mb, aklass);
10926 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
10927 mono_mb_emit_byte (mb, CEE_LDIND_U2);
10928 mono_mb_emit_icon (mb, 1);
10929 mono_mb_emit_byte (mb, CEE_SUB);
10930 mono_mb_emit_icon (mb, sizeof (void*));
10931 mono_mb_emit_byte (mb, CEE_MUL);
10932 mono_mb_emit_byte (mb, CEE_ADD);
10933 mono_mb_emit_byte (mb, CEE_LDIND_I);
10935 mono_mb_emit_ldloc (mb, aklass);
10936 b3 = mono_mb_emit_branch (mb, CEE_BNE_UN);
10939 mono_mb_patch_branch (mb, b1);
10940 mono_mb_emit_ldloc (mb, array_slot_addr);
10941 mono_mb_emit_ldarg (mb, 2);
10942 mono_mb_emit_byte (mb, CEE_STIND_REF);
10943 mono_mb_emit_byte (mb, CEE_RET);
10945 /* do_exception: */
10946 mono_mb_patch_branch (mb, b2);
10947 mono_mb_patch_branch (mb, b3);
10949 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
10952 case STELEMREF_INTERFACE:
10959 klass = array->obj.vtable->klass->element_class;
10960 vt = value->vtable;
10961 uiid = klass->interface_id;
10962 if (uiid > vt->max_interface_id)
10964 if (!(vt->interface_bitmap [(uiid) >> 3] & (1 << ((uiid)&7))))
10967 mono_array_setref (array, index, value);
10970 mono_raise_exception (mono_get_exception_array_type_mismatch ());*/
10972 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
10973 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10974 vtable = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10975 uiid = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
10977 /* ldelema (implicit bound check) */
10978 load_array_element_address (mb);
10979 mono_mb_emit_stloc (mb, array_slot_addr);
10981 /* if (!value) goto do_store */
10982 mono_mb_emit_ldarg (mb, 2);
10983 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
10985 /* klass = array->vtable->klass->element_class */
10986 load_array_class (mb, aklass);
10988 /* vt = value->vtable */
10989 mono_mb_emit_ldarg (mb, 2);
10990 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
10991 mono_mb_emit_byte (mb, CEE_LDIND_I);
10992 mono_mb_emit_stloc (mb, vtable);
10994 /* uiid = klass->interface_id; */
10995 mono_mb_emit_ldloc (mb, aklass);
10996 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, interface_id));
10997 mono_mb_emit_byte (mb, CEE_LDIND_U2);
10998 mono_mb_emit_stloc (mb, uiid);
11000 /*if (uiid > vt->max_interface_id)*/
11001 mono_mb_emit_ldloc (mb, uiid);
11002 mono_mb_emit_ldloc (mb, vtable);
11003 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, max_interface_id));
11004 mono_mb_emit_byte (mb, CEE_LDIND_U2);
11005 b2 = mono_mb_emit_branch (mb, CEE_BGT_UN);
11007 /* if (!(vt->interface_bitmap [(uiid) >> 3] & (1 << ((uiid)&7)))) */
11009 /*vt->interface_bitmap*/
11010 mono_mb_emit_ldloc (mb, vtable);
11011 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, interface_bitmap));
11012 mono_mb_emit_byte (mb, CEE_LDIND_I);
11015 mono_mb_emit_ldloc (mb, uiid);
11016 mono_mb_emit_icon (mb, 3);
11017 mono_mb_emit_byte (mb, CEE_SHR_UN);
11019 /*vt->interface_bitmap [(uiid) >> 3]*/
11020 mono_mb_emit_byte (mb, CEE_ADD); /*interface_bitmap is a guint8 array*/
11021 mono_mb_emit_byte (mb, CEE_LDIND_U1);
11023 /*(1 << ((uiid)&7)))*/
11024 mono_mb_emit_icon (mb, 1);
11025 mono_mb_emit_ldloc (mb, uiid);
11026 mono_mb_emit_icon (mb, 7);
11027 mono_mb_emit_byte (mb, CEE_AND);
11028 mono_mb_emit_byte (mb, CEE_SHL);
11030 /*bitwise and the whole thing*/
11031 mono_mb_emit_byte (mb, CEE_AND);
11032 b3 = mono_mb_emit_branch (mb, CEE_BRFALSE);
11035 mono_mb_patch_branch (mb, b1);
11036 mono_mb_emit_ldloc (mb, array_slot_addr);
11037 mono_mb_emit_ldarg (mb, 2);
11038 mono_mb_emit_byte (mb, CEE_STIND_REF);
11039 mono_mb_emit_byte (mb, CEE_RET);
11041 /* do_exception: */
11042 mono_mb_patch_branch (mb, b2);
11043 mono_mb_patch_branch (mb, b3);
11044 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
11048 mono_mb_emit_ldarg (mb, 0);
11049 mono_mb_emit_ldarg (mb, 1);
11050 mono_mb_emit_ldarg (mb, 2);
11051 mono_mb_emit_managed_call (mb, mono_marshal_get_stelemref (), NULL);
11052 mono_mb_emit_byte (mb, CEE_RET);
11055 #endif /* DISABLE_JIT */
11057 res = mono_mb_create_method (mb, signature, 4);
11058 res->flags |= METHOD_ATTRIBUTE_VIRTUAL;
11060 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_VIRTUAL_STELEMREF);
11061 info->d.virtual_stelemref.kind = kind;
11062 mono_marshal_set_wrapper_info (res, info);
11064 mono_marshal_lock ();
11065 if (!cached_methods [kind]) {
11066 cached_methods [kind] = res;
11067 mono_marshal_unlock ();
11069 mono_marshal_unlock ();
11070 mono_free_method (res);
11074 return cached_methods [kind];
11078 mono_marshal_get_virtual_stelemref (MonoClass *array_class)
11082 g_assert (array_class->rank == 1);
11083 kind = get_virtual_stelemref_kind (array_class->element_class);
11085 return get_virtual_stelemref_wrapper (kind);
11089 mono_marshal_get_virtual_stelemref_wrappers (int *nwrappers)
11094 *nwrappers = STELEMREF_KIND_COUNT;
11095 res = g_malloc0 (STELEMREF_KIND_COUNT * sizeof (MonoMethod*));
11096 for (i = 0; i < STELEMREF_KIND_COUNT; ++i)
11097 res [i] = get_virtual_stelemref_wrapper (i);
11102 * The wrapper info for the wrapper is a WrapperInfo structure.
11105 mono_marshal_get_stelemref ()
11107 static MonoMethod* ret = NULL;
11108 MonoMethodSignature *sig;
11109 MonoMethodBuilder *mb;
11112 guint32 b1, b2, b3, b4;
11114 int aklass, vklass;
11115 int array_slot_addr;
11120 mb = mono_mb_new (mono_defaults.object_class, "stelemref", MONO_WRAPPER_STELEMREF);
11123 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
11125 /* void stelemref (void* array, int idx, void* value) */
11126 sig->ret = &mono_defaults.void_class->byval_arg;
11127 sig->params [0] = &mono_defaults.object_class->byval_arg;
11128 sig->params [1] = &mono_defaults.int_class->byval_arg; /* this is a natural sized int */
11129 sig->params [2] = &mono_defaults.object_class->byval_arg;
11131 #ifndef DISABLE_JIT
11132 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
11133 vklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
11134 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
11138 <ldelema (bound check)>
11142 aklass = array->vtable->klass->element_class;
11143 vklass = value->vtable->klass;
11145 if (vklass->idepth < aklass->idepth)
11148 if (vklass->supertypes [aklass->idepth - 1] != aklass)
11152 *array_slot_addr = value;
11156 if (mono_object_isinst (value, aklass))
11159 throw new ArrayTypeMismatchException ();
11162 /* ldelema (implicit bound check) */
11163 mono_mb_emit_ldarg (mb, 0);
11164 mono_mb_emit_ldarg (mb, 1);
11165 mono_mb_emit_op (mb, CEE_LDELEMA, mono_defaults.object_class);
11166 mono_mb_emit_stloc (mb, array_slot_addr);
11168 /* if (!value) goto do_store */
11169 mono_mb_emit_ldarg (mb, 2);
11170 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
11172 /* aklass = array->vtable->klass->element_class */
11173 mono_mb_emit_ldarg (mb, 0);
11174 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
11175 mono_mb_emit_byte (mb, CEE_LDIND_I);
11176 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, klass));
11177 mono_mb_emit_byte (mb, CEE_LDIND_I);
11178 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, element_class));
11179 mono_mb_emit_byte (mb, CEE_LDIND_I);
11180 mono_mb_emit_stloc (mb, aklass);
11182 /* vklass = value->vtable->klass */
11183 mono_mb_emit_ldarg (mb, 2);
11184 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
11185 mono_mb_emit_byte (mb, CEE_LDIND_I);
11186 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, klass));
11187 mono_mb_emit_byte (mb, CEE_LDIND_I);
11188 mono_mb_emit_stloc (mb, vklass);
11190 /* if (vklass->idepth < aklass->idepth) goto failue */
11191 mono_mb_emit_ldloc (mb, vklass);
11192 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
11193 mono_mb_emit_byte (mb, CEE_LDIND_U2);
11195 mono_mb_emit_ldloc (mb, aklass);
11196 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
11197 mono_mb_emit_byte (mb, CEE_LDIND_U2);
11199 b2 = mono_mb_emit_branch (mb, CEE_BLT_UN);
11201 /* if (vklass->supertypes [aklass->idepth - 1] != aklass) goto failure */
11202 mono_mb_emit_ldloc (mb, vklass);
11203 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, supertypes));
11204 mono_mb_emit_byte (mb, CEE_LDIND_I);
11206 mono_mb_emit_ldloc (mb, aklass);
11207 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
11208 mono_mb_emit_byte (mb, CEE_LDIND_U2);
11209 mono_mb_emit_icon (mb, 1);
11210 mono_mb_emit_byte (mb, CEE_SUB);
11211 mono_mb_emit_icon (mb, sizeof (void*));
11212 mono_mb_emit_byte (mb, CEE_MUL);
11213 mono_mb_emit_byte (mb, CEE_ADD);
11214 mono_mb_emit_byte (mb, CEE_LDIND_I);
11216 mono_mb_emit_ldloc (mb, aklass);
11218 b3 = mono_mb_emit_branch (mb, CEE_BNE_UN);
11220 copy_pos = mono_mb_get_label (mb);
11222 mono_mb_patch_branch (mb, b1);
11223 mono_mb_emit_ldloc (mb, array_slot_addr);
11224 mono_mb_emit_ldarg (mb, 2);
11225 mono_mb_emit_byte (mb, CEE_STIND_REF);
11227 mono_mb_emit_byte (mb, CEE_RET);
11230 mono_mb_patch_branch (mb, b2);
11231 mono_mb_patch_branch (mb, b3);
11233 mono_mb_emit_ldarg (mb, 2);
11234 mono_mb_emit_ldloc (mb, aklass);
11235 mono_mb_emit_icall (mb, mono_object_isinst);
11237 b4 = mono_mb_emit_branch (mb, CEE_BRTRUE);
11238 mono_mb_patch_addr (mb, b4, copy_pos - (b4 + 4));
11239 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
11241 mono_mb_emit_byte (mb, CEE_RET);
11244 ret = mono_mb_create_method (mb, sig, 4);
11247 info = mono_wrapper_info_create (ret, WRAPPER_SUBTYPE_NONE);
11248 mono_marshal_set_wrapper_info (ret, info);
11254 * mono_marshal_get_gsharedvt_in_wrapper:
11256 * This wrapper handles calls from normal code to gsharedvt code.
11258 * The wrapper info for the wrapper is a WrapperInfo structure.
11261 mono_marshal_get_gsharedvt_in_wrapper (void)
11263 static MonoMethod* ret = NULL;
11264 MonoMethodSignature *sig;
11265 MonoMethodBuilder *mb;
11271 mb = mono_mb_new (mono_defaults.object_class, "gsharedvt_in", MONO_WRAPPER_UNKNOWN);
11273 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
11274 sig->ret = &mono_defaults.void_class->byval_arg;
11276 #ifndef DISABLE_JIT
11278 * The body is generated by the JIT, we use a wrapper instead of a trampoline so EH works.
11280 mono_mb_emit_byte (mb, CEE_RET);
11283 ret = mono_mb_create_method (mb, sig, 4);
11286 info = mono_wrapper_info_create (ret, WRAPPER_SUBTYPE_GSHAREDVT_IN);
11287 mono_marshal_set_wrapper_info (ret, info);
11293 * mono_marshal_get_gsharedvt_out_wrapper:
11295 * This wrapper handles calls from gsharedvt code to normal code.
11297 * The wrapper info for the wrapper is a WrapperInfo structure.
11300 mono_marshal_get_gsharedvt_out_wrapper (void)
11302 static MonoMethod* ret = NULL;
11303 MonoMethodSignature *sig;
11304 MonoMethodBuilder *mb;
11310 mb = mono_mb_new (mono_defaults.object_class, "gsharedvt_out", MONO_WRAPPER_UNKNOWN);
11312 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
11313 sig->ret = &mono_defaults.void_class->byval_arg;
11315 #ifndef DISABLE_JIT
11317 * The body is generated by the JIT, we use a wrapper instead of a trampoline so EH works.
11319 mono_mb_emit_byte (mb, CEE_RET);
11322 ret = mono_mb_create_method (mb, sig, 4);
11325 info = mono_wrapper_info_create (ret, WRAPPER_SUBTYPE_GSHAREDVT_OUT);
11326 mono_marshal_set_wrapper_info (ret, info);
11334 MonoMethod *method;
11337 /* LOCKING: vars accessed under the marshal lock */
11338 static ArrayElemAddr *elem_addr_cache = NULL;
11339 static int elem_addr_cache_size = 0;
11340 static int elem_addr_cache_next = 0;
11343 * mono_marshal_get_array_address:
11344 * @rank: rank of the array type
11345 * @elem_size: size in bytes of an element of an array.
11347 * Returns a MonoMethd that implements the code to get the address
11348 * of an element in a multi-dimenasional array of @rank dimensions.
11349 * The returned method takes an array as the first argument and then
11350 * @rank indexes for the @rank dimensions.
11353 mono_marshal_get_array_address (int rank, int elem_size)
11356 MonoMethodBuilder *mb;
11357 MonoMethodSignature *sig;
11358 int i, bounds, ind, realidx;
11359 int branch_pos, *branch_positions;
11363 mono_marshal_lock ();
11364 for (i = 0; i < elem_addr_cache_next; ++i) {
11365 if (elem_addr_cache [i].rank == rank && elem_addr_cache [i].elem_size == elem_size) {
11366 ret = elem_addr_cache [i].method;
11370 mono_marshal_unlock ();
11374 branch_positions = g_new0 (int, rank);
11376 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1 + rank);
11378 /* void* address (void* array, int idx0, int idx1, int idx2, ...) */
11379 sig->ret = &mono_defaults.int_class->byval_arg;
11380 sig->params [0] = &mono_defaults.object_class->byval_arg;
11381 for (i = 0; i < rank; ++i) {
11382 sig->params [i + 1] = &mono_defaults.int32_class->byval_arg;
11385 mb = mono_mb_new (mono_defaults.object_class, "ElementAddr", MONO_WRAPPER_MANAGED_TO_MANAGED);
11387 #ifndef DISABLE_JIT
11388 bounds = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
11389 ind = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
11390 realidx = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
11392 /* bounds = array->bounds; */
11393 mono_mb_emit_ldarg (mb, 0);
11394 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoArray, bounds));
11395 mono_mb_emit_byte (mb, CEE_LDIND_I);
11396 mono_mb_emit_stloc (mb, bounds);
11398 /* ind is the overall element index, realidx is the partial index in a single dimension */
11399 /* ind = idx0 - bounds [0].lower_bound */
11400 mono_mb_emit_ldarg (mb, 1);
11401 mono_mb_emit_ldloc (mb, bounds);
11402 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArrayBounds, lower_bound));
11403 mono_mb_emit_byte (mb, CEE_ADD);
11404 mono_mb_emit_byte (mb, CEE_LDIND_I4);
11405 mono_mb_emit_byte (mb, CEE_SUB);
11406 mono_mb_emit_stloc (mb, ind);
11407 /* if (ind >= bounds [0].length) goto exeception; */
11408 mono_mb_emit_ldloc (mb, ind);
11409 mono_mb_emit_ldloc (mb, bounds);
11410 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArrayBounds, length));
11411 mono_mb_emit_byte (mb, CEE_ADD);
11412 mono_mb_emit_byte (mb, CEE_LDIND_I4);
11413 /* note that we use unsigned comparison */
11414 branch_pos = mono_mb_emit_branch (mb, CEE_BGE_UN);
11416 /* For large ranks (> 4?) use a loop n IL later to reduce code size.
11417 * We could also decide to ignore the passed elem_size and get it
11418 * from the array object, to reduce the number of methods we generate:
11419 * the additional cost is 3 memory loads and a non-immediate mul.
11421 for (i = 1; i < rank; ++i) {
11422 /* realidx = idxi - bounds [i].lower_bound */
11423 mono_mb_emit_ldarg (mb, 1 + i);
11424 mono_mb_emit_ldloc (mb, bounds);
11425 mono_mb_emit_icon (mb, (i * sizeof (MonoArrayBounds)) + G_STRUCT_OFFSET (MonoArrayBounds, lower_bound));
11426 mono_mb_emit_byte (mb, CEE_ADD);
11427 mono_mb_emit_byte (mb, CEE_LDIND_I4);
11428 mono_mb_emit_byte (mb, CEE_SUB);
11429 mono_mb_emit_stloc (mb, realidx);
11430 /* if (realidx >= bounds [i].length) goto exeception; */
11431 mono_mb_emit_ldloc (mb, realidx);
11432 mono_mb_emit_ldloc (mb, bounds);
11433 mono_mb_emit_icon (mb, (i * sizeof (MonoArrayBounds)) + G_STRUCT_OFFSET (MonoArrayBounds, length));
11434 mono_mb_emit_byte (mb, CEE_ADD);
11435 mono_mb_emit_byte (mb, CEE_LDIND_I4);
11436 branch_positions [i] = mono_mb_emit_branch (mb, CEE_BGE_UN);
11437 /* ind = ind * bounds [i].length + realidx */
11438 mono_mb_emit_ldloc (mb, ind);
11439 mono_mb_emit_ldloc (mb, bounds);
11440 mono_mb_emit_icon (mb, (i * sizeof (MonoArrayBounds)) + G_STRUCT_OFFSET (MonoArrayBounds, length));
11441 mono_mb_emit_byte (mb, CEE_ADD);
11442 mono_mb_emit_byte (mb, CEE_LDIND_I4);
11443 mono_mb_emit_byte (mb, CEE_MUL);
11444 mono_mb_emit_ldloc (mb, realidx);
11445 mono_mb_emit_byte (mb, CEE_ADD);
11446 mono_mb_emit_stloc (mb, ind);
11449 /* return array->vector + ind * element_size */
11450 mono_mb_emit_ldarg (mb, 0);
11451 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoArray, vector));
11452 mono_mb_emit_ldloc (mb, ind);
11453 mono_mb_emit_icon (mb, elem_size);
11454 mono_mb_emit_byte (mb, CEE_MUL);
11455 mono_mb_emit_byte (mb, CEE_ADD);
11456 mono_mb_emit_byte (mb, CEE_RET);
11458 /* patch the branches to get here and throw */
11459 for (i = 1; i < rank; ++i) {
11460 mono_mb_patch_branch (mb, branch_positions [i]);
11462 mono_mb_patch_branch (mb, branch_pos);
11463 /* throw exception */
11464 mono_mb_emit_exception (mb, "IndexOutOfRangeException", NULL);
11466 g_free (branch_positions);
11467 #endif /* DISABLE_JIT */
11469 ret = mono_mb_create_method (mb, sig, 4);
11472 /* cache the result */
11474 mono_marshal_lock ();
11475 for (i = 0; i < elem_addr_cache_next; ++i) {
11476 if (elem_addr_cache [i].rank == rank && elem_addr_cache [i].elem_size == elem_size) {
11477 /* FIXME: free ret */
11478 ret = elem_addr_cache [i].method;
11486 if (elem_addr_cache_next >= elem_addr_cache_size) {
11487 int new_size = elem_addr_cache_size + 4;
11488 ArrayElemAddr *new_array = g_new0 (ArrayElemAddr, new_size);
11489 memcpy (new_array, elem_addr_cache, elem_addr_cache_size * sizeof (ArrayElemAddr));
11490 g_free (elem_addr_cache);
11491 elem_addr_cache = new_array;
11492 elem_addr_cache_size = new_size;
11494 elem_addr_cache [elem_addr_cache_next].rank = rank;
11495 elem_addr_cache [elem_addr_cache_next].elem_size = elem_size;
11496 elem_addr_cache [elem_addr_cache_next].method = ret;
11497 elem_addr_cache_next ++;
11499 info = mono_wrapper_info_create (ret, WRAPPER_SUBTYPE_ELEMENT_ADDR);
11500 info->d.element_addr.rank = rank;
11501 info->d.element_addr.elem_size = elem_size;
11502 mono_marshal_set_wrapper_info (ret, info);
11504 mono_marshal_unlock ();
11509 * mono_marshal_get_array_accessor_wrapper:
11511 * Return a wrapper which just calls METHOD, which should be an Array Get/Set/Address method.
11514 mono_marshal_get_array_accessor_wrapper (MonoMethod *method)
11516 MonoMethodSignature *sig;
11517 MonoMethodBuilder *mb;
11521 MonoGenericContext *ctx = NULL;
11522 MonoMethod *orig_method = NULL;
11523 MonoGenericContainer *container = NULL;
11527 * These wrappers are needed to avoid the JIT replacing the calls to these methods with intrinsics
11528 * inside runtime invoke wrappers, thereby making the wrappers not unshareable.
11529 * FIXME: Use generic methods.
11536 g_assert_not_reached ();
11538 cache = get_cache (&method->klass->image->array_accessor_cache, mono_aligned_addr_hash, NULL);
11539 if ((res = mono_marshal_find_in_cache (cache, method)))
11543 sig = signature_dup (method->klass->image, mono_method_signature (method));
11546 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_UNKNOWN);
11548 #ifndef DISABLE_JIT
11549 /* Call the method */
11551 mono_mb_emit_ldarg (mb, 0);
11552 for (i = 0; i < sig->param_count; i++)
11553 mono_mb_emit_ldarg (mb, i + (sig->hasthis == TRUE));
11556 mono_mb_emit_managed_call (mb, mono_class_inflate_generic_method (method, &container->context), NULL);
11558 mono_mb_emit_managed_call (mb, method, NULL);
11559 mono_mb_emit_byte (mb, CEE_RET);
11564 def = mono_mb_create_and_cache (cache, method, mb, sig, sig->param_count + 16);
11565 res = cache_generic_wrapper (cache, orig_method, def, ctx, orig_method);
11567 res = mono_mb_create_and_cache (cache, method,
11568 mb, sig, sig->param_count + 16);
11569 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_ARRAY_ACCESSOR);
11570 info->d.array_accessor.method = method;
11571 mono_marshal_set_wrapper_info (res, info);
11579 mono_marshal_alloc (gulong size)
11584 res = CoTaskMemAlloc (size);
11586 res = g_try_malloc ((gulong)size);
11588 mono_gc_out_of_memory ((gulong)size);
11594 mono_marshal_free (gpointer ptr)
11597 CoTaskMemFree (ptr);
11604 mono_marshal_free_array (gpointer *ptr, int size)
11611 for (i = 0; i < size; i++)
11617 mono_marshal_string_to_utf16 (MonoString *s)
11619 return s ? mono_string_chars (s) : NULL;
11623 mono_marshal_string_to_utf16_copy (MonoString *s)
11628 gunichar2 *res = mono_marshal_alloc ((mono_string_length (s) * 2) + 2);
11629 memcpy (res, mono_string_chars (s), mono_string_length (s) * 2);
11630 res [mono_string_length (s)] = 0;
11636 * mono_marshal_set_last_error:
11638 * This function is invoked to set the last error value from a P/Invoke call
11639 * which has SetLastError set.
11642 mono_marshal_set_last_error (void)
11645 mono_native_tls_set_value (last_error_tls_id, GINT_TO_POINTER (GetLastError ()));
11647 mono_native_tls_set_value (last_error_tls_id, GINT_TO_POINTER (errno));
11652 mono_marshal_set_last_error_windows (int error)
11655 mono_native_tls_set_value (last_error_tls_id, GINT_TO_POINTER (error));
11660 ves_icall_System_Runtime_InteropServices_Marshal_copy_to_unmanaged (MonoArray *src, gint32 start_index,
11661 gpointer dest, gint32 length)
11666 MONO_ARCH_SAVE_REGS;
11668 MONO_CHECK_ARG_NULL (src);
11669 MONO_CHECK_ARG_NULL (dest);
11671 if (src->obj.vtable->klass->rank != 1)
11672 mono_raise_exception (mono_get_exception_argument ("array", "array is multi-dimensional"));
11673 if (start_index < 0)
11674 mono_raise_exception (mono_get_exception_argument ("startIndex", "Must be >= 0"));
11676 mono_raise_exception (mono_get_exception_argument ("length", "Must be >= 0"));
11677 if (start_index + length > mono_array_length (src))
11678 mono_raise_exception (mono_get_exception_argument ("length", "start_index + length > array length"));
11680 element_size = mono_array_element_size (src->obj.vtable->klass);
11682 /* no references should be involved */
11683 source_addr = mono_array_addr_with_size_fast (src, element_size, start_index);
11685 memcpy (dest, source_addr, length * element_size);
11689 ves_icall_System_Runtime_InteropServices_Marshal_copy_from_unmanaged (gpointer src, gint32 start_index,
11690 MonoArray *dest, gint32 length)
11695 MONO_ARCH_SAVE_REGS;
11697 MONO_CHECK_ARG_NULL (src);
11698 MONO_CHECK_ARG_NULL (dest);
11700 if (dest->obj.vtable->klass->rank != 1)
11701 mono_raise_exception (mono_get_exception_argument ("array", "array is multi-dimensional"));
11702 if (start_index < 0)
11703 mono_raise_exception (mono_get_exception_argument ("startIndex", "Must be >= 0"));
11705 mono_raise_exception (mono_get_exception_argument ("length", "Must be >= 0"));
11706 if (start_index + length > mono_array_length (dest))
11707 mono_raise_exception (mono_get_exception_argument ("length", "start_index + length > array length"));
11709 element_size = mono_array_element_size (dest->obj.vtable->klass);
11711 /* no references should be involved */
11712 dest_addr = mono_array_addr_with_size_fast (dest, element_size, start_index);
11714 memcpy (dest_addr, src, length * element_size);
11718 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringAnsi (char *ptr)
11720 MONO_ARCH_SAVE_REGS;
11725 return mono_string_new (mono_domain_get (), ptr);
11729 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringAnsi_len (char *ptr, gint32 len)
11731 MONO_ARCH_SAVE_REGS;
11734 mono_raise_exception (mono_get_exception_argument_null ("ptr"));
11735 g_assert_not_reached ();
11738 return mono_string_new_len (mono_domain_get (), ptr, len);
11743 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringUni (guint16 *ptr)
11745 MonoDomain *domain = mono_domain_get ();
11749 MONO_ARCH_SAVE_REGS;
11757 return mono_string_new_utf16 (domain, ptr, len);
11761 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringUni_len (guint16 *ptr, gint32 len)
11763 MonoDomain *domain = mono_domain_get ();
11765 MONO_ARCH_SAVE_REGS;
11768 mono_raise_exception (mono_get_exception_argument_null ("ptr"));
11769 g_assert_not_reached ();
11772 return mono_string_new_utf16 (domain, ptr, len);
11777 ves_icall_System_Runtime_InteropServices_Marshal_GetLastWin32Error (void)
11779 MONO_ARCH_SAVE_REGS;
11781 return (GPOINTER_TO_INT (mono_native_tls_get_value (last_error_tls_id)));
11785 ves_icall_System_Runtime_InteropServices_Marshal_SizeOf (MonoReflectionType *rtype)
11791 MONO_ARCH_SAVE_REGS;
11793 MONO_CHECK_ARG_NULL (rtype);
11795 type = rtype->type;
11796 klass = mono_class_from_mono_type (type);
11797 if (!mono_class_init (klass))
11798 mono_raise_exception (mono_class_get_exception_for_failure (klass));
11800 layout = (klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK);
11802 if (layout == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
11804 MonoException *exc;
11806 msg = g_strdup_printf ("Type %s cannot be marshaled as an unmanaged structure.", klass->name);
11807 exc = mono_get_exception_argument ("t", msg);
11809 mono_raise_exception (exc);
11813 return mono_class_native_size (klass, NULL);
11817 ves_icall_System_Runtime_InteropServices_Marshal_StructureToPtr (MonoObject *obj, gpointer dst, MonoBoolean delete_old)
11819 MonoMethod *method;
11822 MONO_ARCH_SAVE_REGS;
11824 MONO_CHECK_ARG_NULL (obj);
11825 MONO_CHECK_ARG_NULL (dst);
11827 method = mono_marshal_get_struct_to_ptr (obj->vtable->klass);
11831 pa [2] = &delete_old;
11833 mono_runtime_invoke (method, NULL, pa, NULL);
11837 ptr_to_structure (gpointer src, MonoObject *dst)
11839 MonoMethod *method;
11842 method = mono_marshal_get_ptr_to_struct (dst->vtable->klass);
11847 mono_runtime_invoke (method, NULL, pa, NULL);
11851 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure (gpointer src, MonoObject *dst)
11855 MONO_ARCH_SAVE_REGS;
11857 MONO_CHECK_ARG_NULL (src);
11858 MONO_CHECK_ARG_NULL (dst);
11860 t = mono_type_get_underlying_type (mono_class_get_type (dst->vtable->klass));
11862 if (t->type == MONO_TYPE_VALUETYPE) {
11863 MonoException *exc;
11866 tmp = g_strdup_printf ("Destination is a boxed value type.");
11867 exc = mono_get_exception_argument ("dst", tmp);
11870 mono_raise_exception (exc);
11874 ptr_to_structure (src, dst);
11878 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure_type (gpointer src, MonoReflectionType *type)
11881 MonoDomain *domain = mono_domain_get ();
11884 MONO_ARCH_SAVE_REGS;
11888 MONO_CHECK_ARG_NULL (type);
11890 klass = mono_class_from_mono_type (type->type);
11891 if (!mono_class_init (klass))
11892 mono_raise_exception (mono_class_get_exception_for_failure (klass));
11894 res = mono_object_new (domain, klass);
11896 ptr_to_structure (src, res);
11902 ves_icall_System_Runtime_InteropServices_Marshal_OffsetOf (MonoReflectionType *type, MonoString *field_name)
11904 MonoMarshalType *info;
11907 int match_index = -1;
11909 MONO_ARCH_SAVE_REGS;
11911 MONO_CHECK_ARG_NULL (type);
11912 MONO_CHECK_ARG_NULL (field_name);
11914 fname = mono_string_to_utf8 (field_name);
11915 klass = mono_class_from_mono_type (type->type);
11916 if (!mono_class_init (klass))
11917 mono_raise_exception (mono_class_get_exception_for_failure (klass));
11919 while (klass && match_index == -1) {
11920 MonoClassField* field;
11922 gpointer iter = NULL;
11923 while ((field = mono_class_get_fields (klass, &iter))) {
11924 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
11926 if (!strcmp (fname, mono_field_get_name (field))) {
11933 if (match_index == -1)
11934 klass = klass->parent;
11939 if(match_index == -1) {
11940 MonoException* exc;
11943 /* Get back original class instance */
11944 klass = mono_class_from_mono_type (type->type);
11946 tmp = g_strdup_printf ("Field passed in is not a marshaled member of the type %s", klass->name);
11947 exc = mono_get_exception_argument ("fieldName", tmp);
11950 mono_raise_exception ((MonoException*)exc);
11953 info = mono_marshal_load_type_info (klass);
11954 return info->fields [match_index].offset;
11958 ves_icall_System_Runtime_InteropServices_Marshal_StringToHGlobalAnsi (MonoString *string)
11963 tres = mono_string_to_utf8 (string);
11967 len = strlen (tres) + 1;
11968 ret = ves_icall_System_Runtime_InteropServices_Marshal_AllocHGlobal (len);
11969 memcpy (ret, tres, len);
11974 return mono_string_to_utf8 (string);
11979 ves_icall_System_Runtime_InteropServices_Marshal_StringToHGlobalUni (MonoString *string)
11981 MONO_ARCH_SAVE_REGS;
11983 if (string == NULL)
11986 #ifdef TARGET_WIN32
11987 gunichar2 *res = ves_icall_System_Runtime_InteropServices_Marshal_AllocHGlobal
11988 ((mono_string_length (string) + 1) * 2);
11990 gunichar2 *res = g_malloc ((mono_string_length (string) + 1) * 2);
11992 memcpy (res, mono_string_chars (string), mono_string_length (string) * 2);
11993 res [mono_string_length (string)] = 0;
11999 mono_struct_delete_old (MonoClass *klass, char *ptr)
12001 MonoMarshalType *info;
12004 info = mono_marshal_load_type_info (klass);
12006 for (i = 0; i < info->num_fields; i++) {
12007 MonoMarshalNative ntype;
12008 MonoMarshalConv conv;
12009 MonoType *ftype = info->fields [i].field->type;
12012 if (ftype->attrs & FIELD_ATTRIBUTE_STATIC)
12015 ntype = mono_type_to_unmanaged (ftype, info->fields [i].mspec, TRUE,
12016 klass->unicode, &conv);
12018 cpos = ptr + info->fields [i].offset;
12021 case MONO_MARSHAL_CONV_NONE:
12022 if (MONO_TYPE_ISSTRUCT (ftype)) {
12023 mono_struct_delete_old (ftype->data.klass, cpos);
12027 case MONO_MARSHAL_CONV_STR_LPWSTR:
12028 /* We assume this field points inside a MonoString */
12030 case MONO_MARSHAL_CONV_STR_LPTSTR:
12031 #ifdef TARGET_WIN32
12032 /* We assume this field points inside a MonoString
12036 case MONO_MARSHAL_CONV_STR_LPSTR:
12037 case MONO_MARSHAL_CONV_STR_BSTR:
12038 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
12039 case MONO_MARSHAL_CONV_STR_TBSTR:
12040 mono_marshal_free (*(gpointer *)cpos);
12050 ves_icall_System_Runtime_InteropServices_Marshal_DestroyStructure (gpointer src, MonoReflectionType *type)
12054 MONO_ARCH_SAVE_REGS;
12056 MONO_CHECK_ARG_NULL (src);
12057 MONO_CHECK_ARG_NULL (type);
12059 klass = mono_class_from_mono_type (type->type);
12060 if (!mono_class_init (klass))
12061 mono_raise_exception (mono_class_get_exception_for_failure (klass));
12063 mono_struct_delete_old (klass, (char *)src);
12067 ves_icall_System_Runtime_InteropServices_Marshal_AllocHGlobal (int size)
12071 MONO_ARCH_SAVE_REGS;
12073 if ((gulong)size == 0)
12074 /* This returns a valid pointer for size 0 on MS.NET */
12078 res = GlobalAlloc (GMEM_FIXED, (gulong)size);
12080 res = g_try_malloc ((gulong)size);
12083 mono_gc_out_of_memory ((gulong)size);
12089 ves_icall_System_Runtime_InteropServices_Marshal_ReAllocHGlobal (gpointer ptr, int size)
12094 mono_gc_out_of_memory ((gulong)size);
12099 res = GlobalReAlloc (ptr, (gulong)size, GMEM_MOVEABLE);
12101 res = g_try_realloc (ptr, (gulong)size);
12104 mono_gc_out_of_memory ((gulong)size);
12110 ves_icall_System_Runtime_InteropServices_Marshal_FreeHGlobal (void *ptr)
12112 MONO_ARCH_SAVE_REGS;
12122 ves_icall_System_Runtime_InteropServices_Marshal_AllocCoTaskMem (int size)
12124 MONO_ARCH_SAVE_REGS;
12127 return CoTaskMemAlloc (size);
12129 return g_try_malloc ((gulong)size);
12134 ves_icall_System_Runtime_InteropServices_Marshal_FreeCoTaskMem (void *ptr)
12136 MONO_ARCH_SAVE_REGS;
12139 CoTaskMemFree (ptr);
12146 ves_icall_System_Runtime_InteropServices_Marshal_ReAllocCoTaskMem (gpointer ptr, int size)
12148 MONO_ARCH_SAVE_REGS;
12151 return CoTaskMemRealloc (ptr, size);
12153 return g_try_realloc (ptr, (gulong)size);
12158 ves_icall_System_Runtime_InteropServices_Marshal_UnsafeAddrOfPinnedArrayElement (MonoArray *arrayobj, int index)
12160 return mono_array_addr_with_size_fast (arrayobj, mono_array_element_size (arrayobj->obj.vtable->klass), index);
12164 ves_icall_System_Runtime_InteropServices_Marshal_GetDelegateForFunctionPointerInternal (void *ftn, MonoReflectionType *type)
12166 MonoClass *klass = mono_type_get_class (type->type);
12167 if (!mono_class_init (klass))
12168 mono_raise_exception (mono_class_get_exception_for_failure (klass));
12170 return mono_ftnptr_to_delegate (klass, ftn);
12174 * mono_marshal_is_loading_type_info:
12176 * Return whenever mono_marshal_load_type_info () is being executed for KLASS by this
12180 mono_marshal_is_loading_type_info (MonoClass *klass)
12182 GSList *loads_list = mono_native_tls_get_value (load_type_info_tls_id);
12184 return g_slist_find (loads_list, klass) != NULL;
12188 * mono_marshal_load_type_info:
12190 * Initialize klass->marshal_info using information from metadata. This function can
12191 * recursively call itself, and the caller is responsible to avoid that by calling
12192 * mono_marshal_is_loading_type_info () beforehand.
12194 * LOCKING: Acquires the loader lock.
12197 mono_marshal_load_type_info (MonoClass* klass)
12200 guint32 native_size = 0, min_align = 1, packing;
12201 MonoMarshalType *info;
12202 MonoClassField* field;
12205 GSList *loads_list;
12207 g_assert (klass != NULL);
12209 if (klass->marshal_info)
12210 return klass->marshal_info;
12212 if (!klass->inited)
12213 mono_class_init (klass);
12215 if (klass->marshal_info)
12216 return klass->marshal_info;
12219 * This function can recursively call itself, so we keep the list of classes which are
12220 * under initialization in a TLS list.
12222 g_assert (!mono_marshal_is_loading_type_info (klass));
12223 loads_list = mono_native_tls_get_value (load_type_info_tls_id);
12224 loads_list = g_slist_prepend (loads_list, klass);
12225 mono_native_tls_set_value (load_type_info_tls_id, loads_list);
12228 while ((field = mono_class_get_fields (klass, &iter))) {
12229 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
12231 if (mono_field_is_deleted (field))
12236 layout = klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK;
12238 /* The mempool is protected by the loader lock */
12239 info = mono_image_alloc0 (klass->image, MONO_SIZEOF_MARSHAL_TYPE + sizeof (MonoMarshalField) * count);
12240 info->num_fields = count;
12242 /* Try to find a size for this type in metadata */
12243 mono_metadata_packing_from_typedef (klass->image, klass->type_token, NULL, &native_size);
12245 if (klass->parent) {
12246 int parent_size = mono_class_native_size (klass->parent, NULL);
12248 /* Add parent size to real size */
12249 native_size += parent_size;
12250 info->native_size = parent_size;
12253 packing = klass->packing_size ? klass->packing_size : 8;
12256 while ((field = mono_class_get_fields (klass, &iter))) {
12260 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
12263 if (mono_field_is_deleted (field))
12265 if (field->type->attrs & FIELD_ATTRIBUTE_HAS_FIELD_MARSHAL)
12266 mono_metadata_field_info_with_mempool (klass->image, mono_metadata_token_index (mono_class_get_field_token (field)) - 1,
12267 NULL, NULL, &info->fields [j].mspec);
12269 info->fields [j].field = field;
12271 if ((mono_class_num_fields (klass) == 1) && (klass->instance_size == sizeof (MonoObject)) &&
12272 (strcmp (mono_field_get_name (field), "$PRIVATE$") == 0)) {
12273 /* This field is a hack inserted by MCS to empty structures */
12278 case TYPE_ATTRIBUTE_AUTO_LAYOUT:
12279 case TYPE_ATTRIBUTE_SEQUENTIAL_LAYOUT:
12280 size = mono_marshal_type_size (field->type, info->fields [j].mspec,
12281 &align, TRUE, klass->unicode);
12282 align = klass->packing_size ? MIN (klass->packing_size, align): align;
12283 min_align = MAX (align, min_align);
12284 info->fields [j].offset = info->native_size;
12285 info->fields [j].offset += align - 1;
12286 info->fields [j].offset &= ~(align - 1);
12287 info->native_size = info->fields [j].offset + size;
12289 case TYPE_ATTRIBUTE_EXPLICIT_LAYOUT:
12290 size = mono_marshal_type_size (field->type, info->fields [j].mspec,
12291 &align, TRUE, klass->unicode);
12292 min_align = packing;
12293 info->fields [j].offset = field->offset - sizeof (MonoObject);
12294 info->native_size = MAX (info->native_size, info->fields [j].offset + size);
12300 if (layout != TYPE_ATTRIBUTE_AUTO_LAYOUT) {
12301 info->native_size = MAX (native_size, info->native_size);
12303 * If the provided Size is equal or larger than the calculated size, and there
12304 * was no Pack attribute, we set min_align to 1 to avoid native_size being increased
12306 if (layout == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT)
12307 if (native_size && native_size == info->native_size && klass->packing_size == 0)
12311 if (info->native_size & (min_align - 1)) {
12312 info->native_size += min_align - 1;
12313 info->native_size &= ~(min_align - 1);
12316 info->min_align = min_align;
12318 /* Update the class's blittable info, if the layouts don't match */
12319 if (info->native_size != mono_class_value_size (klass, NULL))
12320 klass->blittable = FALSE;
12322 /* If this is an array type, ensure that we have element info */
12323 if (klass->rank && !mono_marshal_is_loading_type_info (klass->element_class)) {
12324 mono_marshal_load_type_info (klass->element_class);
12327 loads_list = mono_native_tls_get_value (load_type_info_tls_id);
12328 loads_list = g_slist_remove (loads_list, klass);
12329 mono_native_tls_set_value (load_type_info_tls_id, loads_list);
12331 mono_marshal_lock ();
12332 if (!klass->marshal_info) {
12333 /*We do double-checking locking on marshal_info */
12334 mono_memory_barrier ();
12335 klass->marshal_info = info;
12337 mono_marshal_unlock ();
12339 return klass->marshal_info;
12343 * mono_class_native_size:
12346 * Returns: the native size of an object instance (when marshaled
12347 * to unmanaged code)
12350 mono_class_native_size (MonoClass *klass, guint32 *align)
12352 if (!klass->marshal_info) {
12353 if (mono_marshal_is_loading_type_info (klass)) {
12358 mono_marshal_load_type_info (klass);
12363 *align = klass->marshal_info->min_align;
12365 return klass->marshal_info->native_size;
12368 /* __alignof__ returns the preferred alignment of values not the actual alignment used by
12369 the compiler so is wrong e.g. for Linux where doubles are aligned on a 4 byte boundary
12370 but __alignof__ returns 8 - using G_STRUCT_OFFSET works better */
12371 #define ALIGNMENT(type) G_STRUCT_OFFSET(struct { char c; type x; }, x)
12374 * mono_type_native_stack_size:
12375 * @t: the type to return the size it uses on the stack
12377 * Returns: the number of bytes required to hold an instance of this
12378 * type on the native stack
12381 mono_type_native_stack_size (MonoType *t, guint32 *align)
12385 g_assert (t != NULL);
12391 *align = sizeof (gpointer);
12392 return sizeof (gpointer);
12396 case MONO_TYPE_BOOLEAN:
12397 case MONO_TYPE_CHAR:
12408 case MONO_TYPE_STRING:
12409 case MONO_TYPE_OBJECT:
12410 case MONO_TYPE_CLASS:
12411 case MONO_TYPE_SZARRAY:
12412 case MONO_TYPE_PTR:
12413 case MONO_TYPE_FNPTR:
12414 case MONO_TYPE_ARRAY:
12415 *align = sizeof (gpointer);
12416 return sizeof (gpointer);
12421 *align = ALIGNMENT (gdouble);
12425 *align = ALIGNMENT (glong);
12427 case MONO_TYPE_GENERICINST:
12428 if (!mono_type_generic_inst_is_valuetype (t)) {
12429 *align = sizeof (gpointer);
12430 return sizeof (gpointer);
12433 case MONO_TYPE_TYPEDBYREF:
12434 case MONO_TYPE_VALUETYPE: {
12436 MonoClass *klass = mono_class_from_mono_type (t);
12438 if (klass->enumtype)
12439 return mono_type_native_stack_size (mono_class_enum_basetype (klass), align);
12441 size = mono_class_native_size (klass, align);
12442 *align = *align + 3;
12452 g_error ("type 0x%02x unknown", t->type);
12458 mono_marshal_type_size (MonoType *type, MonoMarshalSpec *mspec, guint32 *align,
12459 gboolean as_field, gboolean unicode)
12461 MonoMarshalNative native_type = mono_type_to_unmanaged (type, mspec, as_field, unicode, NULL);
12464 switch (native_type) {
12465 case MONO_NATIVE_BOOLEAN:
12468 case MONO_NATIVE_I1:
12469 case MONO_NATIVE_U1:
12472 case MONO_NATIVE_I2:
12473 case MONO_NATIVE_U2:
12474 case MONO_NATIVE_VARIANTBOOL:
12477 case MONO_NATIVE_I4:
12478 case MONO_NATIVE_U4:
12479 case MONO_NATIVE_ERROR:
12482 case MONO_NATIVE_I8:
12483 case MONO_NATIVE_U8:
12484 *align = ALIGNMENT(guint64);
12486 case MONO_NATIVE_R4:
12489 case MONO_NATIVE_R8:
12490 *align = ALIGNMENT(double);
12492 case MONO_NATIVE_INT:
12493 case MONO_NATIVE_UINT:
12494 case MONO_NATIVE_LPSTR:
12495 case MONO_NATIVE_LPWSTR:
12496 case MONO_NATIVE_LPTSTR:
12497 case MONO_NATIVE_BSTR:
12498 case MONO_NATIVE_ANSIBSTR:
12499 case MONO_NATIVE_TBSTR:
12500 case MONO_NATIVE_LPARRAY:
12501 case MONO_NATIVE_SAFEARRAY:
12502 case MONO_NATIVE_IUNKNOWN:
12503 case MONO_NATIVE_IDISPATCH:
12504 case MONO_NATIVE_INTERFACE:
12505 case MONO_NATIVE_ASANY:
12506 case MONO_NATIVE_FUNC:
12507 case MONO_NATIVE_LPSTRUCT:
12508 *align = ALIGNMENT(gpointer);
12509 return sizeof (gpointer);
12510 case MONO_NATIVE_STRUCT:
12511 klass = mono_class_from_mono_type (type);
12512 if (klass == mono_defaults.object_class &&
12513 (mspec && mspec->native == MONO_NATIVE_STRUCT)) {
12517 return mono_class_native_size (klass, align);
12518 case MONO_NATIVE_BYVALTSTR: {
12519 int esize = unicode ? 2: 1;
12522 return mspec->data.array_data.num_elem * esize;
12524 case MONO_NATIVE_BYVALARRAY: {
12525 // FIXME: Have to consider ArraySubType
12527 klass = mono_class_from_mono_type (type);
12528 if (klass->element_class == mono_defaults.char_class) {
12529 esize = unicode ? 2 : 1;
12532 esize = mono_class_native_size (klass->element_class, align);
12535 return mspec->data.array_data.num_elem * esize;
12537 case MONO_NATIVE_CUSTOM:
12538 *align = sizeof (gpointer);
12539 return sizeof (gpointer);
12541 case MONO_NATIVE_CURRENCY:
12542 case MONO_NATIVE_VBBYREFSTR:
12544 g_error ("native type %02x not implemented", native_type);
12547 g_assert_not_reached ();
12552 mono_marshal_asany (MonoObject *o, MonoMarshalNative string_encoding, int param_attrs)
12560 t = &o->vtable->klass->byval_arg;
12564 case MONO_TYPE_PTR:
12567 case MONO_TYPE_BOOLEAN:
12570 case MONO_TYPE_CHAR:
12575 return mono_object_unbox (o);
12577 case MONO_TYPE_STRING:
12578 switch (string_encoding) {
12579 case MONO_NATIVE_LPWSTR:
12580 return mono_marshal_string_to_utf16_copy ((MonoString*)o);
12582 case MONO_NATIVE_LPSTR:
12583 return mono_string_to_lpstr ((MonoString*)o);
12586 g_warning ("marshaling conversion %d not implemented", string_encoding);
12587 g_assert_not_reached ();
12590 case MONO_TYPE_CLASS:
12591 case MONO_TYPE_VALUETYPE: {
12592 MonoMethod *method;
12595 MonoBoolean delete_old = FALSE;
12597 klass = t->data.klass;
12599 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT)
12602 if (klass->valuetype && (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
12603 klass->blittable || klass->enumtype))
12604 return mono_object_unbox (o);
12606 res = mono_marshal_alloc (mono_class_native_size (klass, NULL));
12608 if (!((param_attrs & PARAM_ATTRIBUTE_OUT) && !(param_attrs & PARAM_ATTRIBUTE_IN))) {
12609 method = mono_marshal_get_struct_to_ptr (o->vtable->klass);
12613 pa [2] = &delete_old;
12615 mono_runtime_invoke (method, NULL, pa, NULL);
12622 mono_raise_exception (mono_get_exception_argument ("", "No PInvoke conversion exists for value passed to Object-typed parameter."));
12628 mono_marshal_free_asany (MonoObject *o, gpointer ptr, MonoMarshalNative string_encoding, int param_attrs)
12636 t = &o->vtable->klass->byval_arg;
12638 case MONO_TYPE_STRING:
12639 switch (string_encoding) {
12640 case MONO_NATIVE_LPWSTR:
12641 case MONO_NATIVE_LPSTR:
12642 mono_marshal_free (ptr);
12645 g_warning ("marshaling conversion %d not implemented", string_encoding);
12646 g_assert_not_reached ();
12649 case MONO_TYPE_CLASS:
12650 case MONO_TYPE_VALUETYPE: {
12651 klass = t->data.klass;
12653 if (klass->valuetype && (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
12654 klass->blittable || klass->enumtype))
12657 if (param_attrs & PARAM_ATTRIBUTE_OUT) {
12658 MonoMethod *method = mono_marshal_get_ptr_to_struct (o->vtable->klass);
12664 mono_runtime_invoke (method, NULL, pa, NULL);
12667 if (!((param_attrs & PARAM_ATTRIBUTE_OUT) && !(param_attrs & PARAM_ATTRIBUTE_IN))) {
12668 mono_struct_delete_old (klass, ptr);
12671 mono_marshal_free (ptr);
12680 mono_marshal_get_generic_array_helper (MonoClass *class, MonoClass *iface, gchar *name, MonoMethod *method)
12682 MonoMethodSignature *sig, *csig;
12683 MonoMethodBuilder *mb;
12688 mb = mono_mb_new_no_dup_name (class, name, MONO_WRAPPER_MANAGED_TO_MANAGED);
12689 mb->method->slot = -1;
12691 mb->method->flags = METHOD_ATTRIBUTE_PRIVATE | METHOD_ATTRIBUTE_VIRTUAL |
12692 METHOD_ATTRIBUTE_NEW_SLOT | METHOD_ATTRIBUTE_HIDE_BY_SIG | METHOD_ATTRIBUTE_FINAL;
12694 sig = mono_method_signature (method);
12695 csig = signature_dup (method->klass->image, sig);
12696 csig->generic_param_count = 0;
12698 #ifndef DISABLE_JIT
12699 mono_mb_emit_ldarg (mb, 0);
12700 for (i = 0; i < csig->param_count; i++)
12701 mono_mb_emit_ldarg (mb, i + 1);
12702 mono_mb_emit_managed_call (mb, method, NULL);
12703 mono_mb_emit_byte (mb, CEE_RET);
12705 /* We can corlib internal methods */
12706 mb->skip_visibility = TRUE;
12709 res = mono_mb_create_method (mb, csig, csig->param_count + 16);
12711 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_GENERIC_ARRAY_HELPER);
12712 info->d.generic_array_helper.method = method;
12713 mono_marshal_set_wrapper_info (res, info);
12721 * The mono_win32_compat_* functions are implementations of inline
12722 * Windows kernel32 APIs, which are DllImport-able under MS.NET,
12723 * although not exported by kernel32.
12725 * We map the appropiate kernel32 entries to these functions using
12726 * dllmaps declared in the global etc/mono/config.
12730 mono_win32_compat_CopyMemory (gpointer dest, gconstpointer source, gsize length)
12732 if (!dest || !source)
12735 memcpy (dest, source, length);
12739 mono_win32_compat_FillMemory (gpointer dest, gsize length, guchar fill)
12741 memset (dest, fill, length);
12745 mono_win32_compat_MoveMemory (gpointer dest, gconstpointer source, gsize length)
12747 if (!dest || !source)
12750 memmove (dest, source, length);
12754 mono_win32_compat_ZeroMemory (gpointer dest, gsize length)
12756 memset (dest, 0, length);
12760 mono_marshal_find_nonzero_bit_offset (guint8 *buf, int len, int *byte_offset, guint8 *bitmask)
12765 for (i = 0; i < len; ++i)
12769 g_assert (i < len);
12772 while (byte && !(byte & 1))
12774 g_assert (byte == 1);
12777 *bitmask = buf [i];
12781 mono_marshal_get_thunk_invoke_wrapper (MonoMethod *method)
12783 MonoMethodBuilder *mb;
12784 MonoMethodSignature *sig, *csig;
12785 MonoExceptionClause *clause;
12790 int i, param_count, sig_size, pos_leave;
12794 klass = method->klass;
12795 image = method->klass->image;
12796 cache = get_cache (&image->thunk_invoke_cache, mono_aligned_addr_hash, NULL);
12798 if ((res = mono_marshal_find_in_cache (cache, method)))
12801 sig = mono_method_signature (method);
12802 mb = mono_mb_new (klass, method->name, MONO_WRAPPER_NATIVE_TO_MANAGED);
12804 /* add "this" and exception param */
12805 param_count = sig->param_count + sig->hasthis + 1;
12807 /* dup & extend signature */
12808 csig = mono_metadata_signature_alloc (image, param_count);
12809 sig_size = MONO_SIZEOF_METHOD_SIGNATURE + sig->param_count * sizeof (MonoType *);
12810 memcpy (csig, sig, sig_size);
12811 csig->param_count = param_count;
12814 csig->call_convention = MONO_CALL_DEFAULT;
12816 if (sig->hasthis) {
12818 csig->params [0] = &klass->byval_arg;
12819 /* move params up by one */
12820 for (i = 0; i < sig->param_count; i++)
12821 csig->params [i + 1] = sig->params [i];
12824 /* setup exception param as byref+[out] */
12825 csig->params [param_count - 1] = mono_metadata_type_dup (image,
12826 &mono_defaults.exception_class->byval_arg);
12827 csig->params [param_count - 1]->byref = 1;
12828 csig->params [param_count - 1]->attrs = PARAM_ATTRIBUTE_OUT;
12830 /* convert struct return to object */
12831 if (MONO_TYPE_ISSTRUCT (sig->ret))
12832 csig->ret = &mono_defaults.object_class->byval_arg;
12834 #ifndef DISABLE_JIT
12835 /* local 0 (temp for exception object) */
12836 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
12838 /* local 1 (temp for result) */
12839 if (!MONO_TYPE_IS_VOID (sig->ret))
12840 mono_mb_add_local (mb, sig->ret);
12842 /* clear exception arg */
12843 mono_mb_emit_ldarg (mb, param_count - 1);
12844 mono_mb_emit_byte (mb, CEE_LDNULL);
12845 mono_mb_emit_byte (mb, CEE_STIND_REF);
12848 clause = mono_image_alloc0 (image, sizeof (MonoExceptionClause));
12849 clause->try_offset = mono_mb_get_label (mb);
12851 /* push method's args */
12852 for (i = 0; i < param_count - 1; i++) {
12856 mono_mb_emit_ldarg (mb, i);
12858 /* get the byval type of the param */
12859 klass = mono_class_from_mono_type (csig->params [i]);
12860 type = &klass->byval_arg;
12862 /* unbox struct args */
12863 if (MONO_TYPE_ISSTRUCT (type)) {
12864 mono_mb_emit_op (mb, CEE_UNBOX, klass);
12866 /* byref args & and the "this" arg must remain a ptr.
12867 Otherwise make a copy of the value type */
12868 if (!(csig->params [i]->byref || (i == 0 && sig->hasthis)))
12869 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
12871 csig->params [i] = &mono_defaults.object_class->byval_arg;
12876 if (method->flags & METHOD_ATTRIBUTE_VIRTUAL)
12877 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
12879 mono_mb_emit_op (mb, CEE_CALL, method);
12881 /* save result at local 1 */
12882 if (!MONO_TYPE_IS_VOID (sig->ret))
12883 mono_mb_emit_stloc (mb, 1);
12885 pos_leave = mono_mb_emit_branch (mb, CEE_LEAVE);
12888 clause->flags = MONO_EXCEPTION_CLAUSE_NONE;
12889 clause->try_len = mono_mb_get_pos (mb) - clause->try_offset;
12890 clause->data.catch_class = mono_defaults.object_class;
12892 clause->handler_offset = mono_mb_get_label (mb);
12894 /* store exception at local 0 */
12895 mono_mb_emit_stloc (mb, 0);
12896 mono_mb_emit_ldarg (mb, param_count - 1);
12897 mono_mb_emit_ldloc (mb, 0);
12898 mono_mb_emit_byte (mb, CEE_STIND_REF);
12899 mono_mb_emit_branch (mb, CEE_LEAVE);
12901 clause->handler_len = mono_mb_get_pos (mb) - clause->handler_offset;
12903 mono_mb_set_clauses (mb, 1, clause);
12905 mono_mb_patch_branch (mb, pos_leave);
12908 if (!MONO_TYPE_IS_VOID (sig->ret)) {
12909 mono_mb_emit_ldloc (mb, 1);
12911 /* box the return value */
12912 if (MONO_TYPE_ISSTRUCT (sig->ret))
12913 mono_mb_emit_op (mb, CEE_BOX, mono_class_from_mono_type (sig->ret));
12916 mono_mb_emit_byte (mb, CEE_RET);
12919 res = mono_mb_create_and_cache (cache, method, mb, csig, param_count + 16);
12926 * mono_marshal_free_dynamic_wrappers:
12928 * Free wrappers of the dynamic method METHOD.
12931 mono_marshal_free_dynamic_wrappers (MonoMethod *method)
12933 MonoImage *image = method->klass->image;
12935 g_assert (method->dynamic);
12937 /* This could be called during shutdown */
12938 if (marshal_mutex_initialized)
12939 mono_marshal_lock ();
12941 * FIXME: We currently leak the wrappers. Freeing them would be tricky as
12942 * they could be shared with other methods ?
12944 if (image->runtime_invoke_direct_cache)
12945 g_hash_table_remove (image->runtime_invoke_direct_cache, method);
12946 if (image->delegate_abstract_invoke_cache)
12947 g_hash_table_foreach_remove (image->delegate_abstract_invoke_cache, signature_method_pair_matches_method, method);
12949 if (marshal_mutex_initialized)
12950 mono_marshal_unlock ();
12954 signature_method_pair_matches_signature (gpointer key, gpointer value, gpointer user_data)
12956 SignatureMethodPair *pair = (SignatureMethodPair*)key;
12957 MonoMethodSignature *sig = (MonoMethodSignature*)user_data;
12959 return mono_metadata_signature_equal (pair->sig, sig);
12963 * mono_marshal_free_inflated_wrappers:
12965 * Free wrappers of the inflated method METHOD.
12968 mono_marshal_free_inflated_wrappers (MonoMethod *method)
12970 MonoMethodSignature *sig = method->signature;
12972 g_assert (method->is_inflated);
12974 /* Ignore calls occuring late during cleanup. */
12975 if (!marshal_mutex_initialized)
12978 mono_marshal_lock ();
12980 * FIXME: We currently leak the wrappers. Freeing them would be tricky as
12981 * they could be shared with other methods ?
12985 * indexed by MonoMethodSignature
12987 /* FIXME: This could remove unrelated wrappers as well */
12988 if (sig && method->klass->image->delegate_begin_invoke_cache)
12989 g_hash_table_remove (method->klass->image->delegate_begin_invoke_cache, sig);
12990 if (sig && method->klass->image->delegate_end_invoke_cache)
12991 g_hash_table_remove (method->klass->image->delegate_end_invoke_cache, sig);
12992 if (sig && method->klass->image->delegate_invoke_cache)
12993 g_hash_table_remove (method->klass->image->delegate_invoke_cache, sig);
12994 if (sig && method->klass->image->runtime_invoke_cache)
12995 g_hash_table_remove (method->klass->image->runtime_invoke_cache, sig);
12996 if (sig && method->klass->image->runtime_invoke_vtype_cache)
12997 g_hash_table_remove (method->klass->image->runtime_invoke_vtype_cache, sig);
13000 * indexed by SignatureMethodPair
13002 if (sig && method->klass->image->delegate_abstract_invoke_cache)
13003 g_hash_table_foreach_remove (method->klass->image->delegate_abstract_invoke_cache,
13004 signature_method_pair_matches_signature, (gpointer)sig);
13007 * indexed by MonoMethod pointers
13009 if (method->klass->image->runtime_invoke_direct_cache)
13010 g_hash_table_remove (method->klass->image->runtime_invoke_direct_cache, method);
13011 if (method->klass->image->managed_wrapper_cache)
13012 g_hash_table_remove (method->klass->image->managed_wrapper_cache, method);
13013 if (method->klass->image->native_wrapper_cache)
13014 g_hash_table_remove (method->klass->image->native_wrapper_cache, method);
13015 if (method->klass->image->remoting_invoke_cache)
13016 g_hash_table_remove (method->klass->image->remoting_invoke_cache, method);
13017 if (method->klass->image->synchronized_cache)
13018 g_hash_table_remove (method->klass->image->synchronized_cache, method);
13019 if (method->klass->image->unbox_wrapper_cache)
13020 g_hash_table_remove (method->klass->image->unbox_wrapper_cache, method);
13021 if (method->klass->image->cominterop_invoke_cache)
13022 g_hash_table_remove (method->klass->image->cominterop_invoke_cache, method);
13023 if (method->klass->image->cominterop_wrapper_cache)
13024 g_hash_table_remove (method->klass->image->cominterop_wrapper_cache, method);
13025 if (method->klass->image->thunk_invoke_cache)
13026 g_hash_table_remove (method->klass->image->thunk_invoke_cache, method);
13027 if (method->klass->image->native_func_wrapper_aot_cache)
13028 g_hash_table_remove (method->klass->image->native_func_wrapper_aot_cache, method);
13030 mono_marshal_unlock ();