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 */
558 ji = mono_jit_info_table_find (mono_domain_get (), mono_get_addr_from_ftnptr (ptr));
561 method_data = ((MonoMethodWrapper*)ji->method)->method_data;
563 /*the target gchandle is the first entry after size and the wrapper itself.*/
564 gchandle = GPOINTER_TO_UINT (method_data [2]);
567 mono_gchandle_free (gchandle);
569 mono_runtime_free_method (mono_object_domain (delegate), ji->method);
574 mono_string_from_byvalwstr (gunichar2 *data, int max_len)
576 MonoDomain *domain = mono_domain_get ();
582 while (data [len]) len++;
584 return mono_string_new_utf16 (domain, data, MIN (len, max_len));
588 mono_array_to_savearray (MonoArray *array)
593 g_assert_not_reached ();
598 mono_array_to_lparray (MonoArray *array)
601 gpointer *nativeArray = NULL;
602 int nativeArraySize = 0;
612 klass = array->obj.vtable->klass;
614 switch (klass->element_class->byval_arg.type) {
616 g_assert_not_reached ();
618 case MONO_TYPE_CLASS:
619 nativeArraySize = array->max_length;
620 nativeArray = malloc(sizeof(gpointer) * nativeArraySize);
621 for(i = 0; i < nativeArraySize; ++i)
622 nativeArray[i] = ves_icall_System_Runtime_InteropServices_Marshal_GetIUnknownForObjectInternal(((gpointer*)array->vector)[i]);
625 case MONO_TYPE_BOOLEAN:
638 case MONO_TYPE_VALUETYPE:
642 case MONO_TYPE_GENERICINST:
643 case MONO_TYPE_OBJECT:
644 case MONO_TYPE_ARRAY:
645 case MONO_TYPE_SZARRAY:
646 case MONO_TYPE_STRING:
648 g_warning ("type 0x%x not handled", klass->element_class->byval_arg.type);
649 g_assert_not_reached ();
652 return array->vector;
656 mono_free_lparray (MonoArray *array, gpointer* nativeArray)
667 klass = array->obj.vtable->klass;
669 switch (klass->element_class->byval_arg.type) {
670 case MONO_TYPE_CLASS:
671 for(i = 0; i < array->max_length; ++i)
672 mono_marshal_free_ccw(nativeArray[i]);
680 mono_byvalarray_to_array (MonoArray *arr, gpointer native_arr, MonoClass *elclass, guint32 elnum)
682 g_assert (arr->obj.vtable->klass->element_class == mono_defaults.char_class);
684 if (elclass == mono_defaults.byte_class) {
685 GError *error = NULL;
689 ut = g_utf8_to_utf16 (native_arr, elnum, NULL, &items_written, &error);
692 memcpy (mono_array_addr (arr, guint16, 0), ut, items_written * sizeof (guint16));
696 g_error_free (error);
699 g_assert_not_reached ();
703 mono_byvalarray_to_byte_array (MonoArray *arr, gpointer native_arr, guint32 elnum)
705 mono_byvalarray_to_array (arr, native_arr, mono_defaults.byte_class, elnum);
709 mono_array_to_byvalarray (gpointer native_arr, MonoArray *arr, MonoClass *elclass, guint32 elnum)
711 g_assert (arr->obj.vtable->klass->element_class == mono_defaults.char_class);
713 if (elclass == mono_defaults.byte_class) {
715 GError *error = NULL;
717 as = g_utf16_to_utf8 (mono_array_addr (arr, gunichar2, 0), mono_array_length (arr), NULL, NULL, &error);
719 MonoException *exc = mono_get_exception_argument ("string", error->message);
720 g_error_free (error);
721 mono_raise_exception (exc);
724 memcpy (native_arr, as, MIN (strlen (as), elnum));
727 g_assert_not_reached ();
732 mono_array_to_byte_byvalarray (gpointer native_arr, MonoArray *arr, guint32 elnum)
734 mono_array_to_byvalarray (native_arr, arr, mono_defaults.byte_class, elnum);
738 mono_string_utf8_to_builder (MonoStringBuilder *sb, char *text)
740 GError *error = NULL;
750 ut = g_utf8_to_utf16 (text, l, NULL, &items_written, &error);
752 if (items_written > mono_stringbuilder_capacity (sb))
753 items_written = mono_stringbuilder_capacity (sb);
756 if (! sb->str || sb->str == sb->cached_str)
757 MONO_OBJECT_SETREF (sb, str, mono_string_new_size (mono_domain_get (), items_written));
759 memcpy (mono_string_chars (sb->str), ut, items_written * 2);
760 sb->length = items_written;
761 sb->cached_str = NULL;
763 g_error_free (error);
769 mono_string_utf8_to_builder2 (char *text)
772 MonoStringBuilder *sb;
773 static MonoClass *string_builder_class;
774 static MonoMethod *sb_ctor;
781 if (!string_builder_class) {
782 MonoMethodDesc *desc;
784 string_builder_class = mono_class_from_name (mono_defaults.corlib, "System.Text", "StringBuilder");
785 g_assert (string_builder_class);
786 desc = mono_method_desc_new (":.ctor(int)", FALSE);
787 sb_ctor = mono_method_desc_search_in_class (desc, string_builder_class);
789 mono_method_desc_free (desc);
794 sb = (MonoStringBuilder*)mono_object_new (mono_domain_get (), string_builder_class);
797 mono_runtime_invoke (sb_ctor, sb, args, &exc);
800 mono_string_utf8_to_builder (sb, text);
806 * FIXME: This routine does not seem to do what it seems to do
807 * the @text is never copied into the string builder
810 mono_string_utf16_to_builder (MonoStringBuilder *sb, gunichar2 *text)
817 g_assert (mono_string_chars (sb->str) == text);
819 for (len = 0; text [len] != 0; ++len)
826 mono_string_utf16_to_builder2 (gunichar2 *text)
829 MonoStringBuilder *sb;
830 static MonoClass *string_builder_class;
831 static MonoMethod *sb_ctor;
838 if (!string_builder_class) {
839 MonoMethodDesc *desc;
841 string_builder_class = mono_class_from_name (mono_defaults.corlib, "System.Text", "StringBuilder");
842 g_assert (string_builder_class);
843 desc = mono_method_desc_new (":.ctor(int)", FALSE);
844 sb_ctor = mono_method_desc_search_in_class (desc, string_builder_class);
846 mono_method_desc_free (desc);
849 for (len = 0; text [len] != 0; ++len)
852 sb = (MonoStringBuilder*)mono_object_new (mono_domain_get (), string_builder_class);
855 mono_runtime_invoke (sb_ctor, sb, args, &exc);
859 memcpy (mono_string_chars (sb->str), text, len * 2);
865 * mono_string_builder_to_utf8:
866 * @sb: the string builder
868 * Converts to utf8 the contents of the MonoStringBuilder.
870 * Returns: a utf8 string with the contents of the StringBuilder.
872 * The return value must be released with g_free.
875 mono_string_builder_to_utf8 (MonoStringBuilder *sb)
877 GError *error = NULL;
878 gchar *tmp, *res = NULL;
883 if ((sb->str == sb->cached_str) && (sb->str->length == 0)) {
885 * The sb could have been allocated with the default capacity and be empty.
886 * we need to alloc a buffer of the default capacity in this case.
888 MONO_OBJECT_SETREF (sb, str, mono_string_new_size (mono_domain_get (), 16));
889 sb->cached_str = NULL;
892 tmp = g_utf16_to_utf8 (mono_string_chars (sb->str), sb->length, NULL, NULL, &error);
894 g_error_free (error);
895 mono_raise_exception (mono_get_exception_execution_engine ("Failed to convert StringBuilder from utf16 to utf8"));
897 res = mono_marshal_alloc (mono_stringbuilder_capacity (sb) + 1);
898 memcpy (res, tmp, sb->length + 1);
906 * mono_string_builder_to_utf16:
907 * @sb: the string builder
909 * Converts to utf16 the contents of the MonoStringBuilder.
911 * Returns: a utf16 string with the contents of the StringBuilder.
913 * The return value must not be freed.
916 mono_string_builder_to_utf16 (MonoStringBuilder *sb)
924 * The stringbuilder might not have ownership of this string. If this is
925 * the case, we must duplicate the string, so that we don't munge immutable
928 if (sb->str == sb->cached_str) {
930 * The sb could have been allocated with the default capacity and be empty.
931 * we need to alloc a buffer of the default capacity in this case.
933 if (sb->str->length == 0)
934 MONO_OBJECT_SETREF (sb, str, mono_string_new_size (mono_domain_get (), 16));
936 MONO_OBJECT_SETREF (sb, str, mono_string_new_utf16 (mono_domain_get (), mono_string_chars (sb->str), mono_stringbuilder_capacity (sb)));
937 sb->cached_str = NULL;
941 *(mono_string_chars (sb->str)) = '\0';
943 return mono_string_chars (sb->str);
947 mono_string_to_lpstr (MonoString *s)
952 GError *error = NULL;
958 as = CoTaskMemAlloc (1);
963 tmp = g_utf16_to_utf8 (mono_string_chars (s), s->length, NULL, &len, &error);
965 MonoException *exc = mono_get_exception_argument ("string", error->message);
966 g_error_free (error);
967 mono_raise_exception(exc);
970 as = CoTaskMemAlloc (len + 1);
971 memcpy (as, tmp, len + 1);
976 return mono_string_to_utf8 (s);
981 mono_string_to_ansibstr (MonoString *string_obj)
983 g_error ("UnmanagedMarshal.BStr is not implemented.");
988 * mono_string_to_byvalstr:
989 * @dst: Where to store the null-terminated utf8 decoded string.
990 * @src: the MonoString to copy.
991 * @size: the maximum number of bytes to copy.
993 * Copies the MonoString pointed to by @src as a utf8 string
994 * into @dst, it copies at most @size bytes into the destination.
997 mono_string_to_byvalstr (gpointer dst, MonoString *src, int size)
1002 g_assert (dst != NULL);
1003 g_assert (size > 0);
1005 memset (dst, 0, size);
1009 s = mono_string_to_utf8 (src);
1010 len = MIN (size, strlen (s));
1013 memcpy (dst, s, len);
1018 * mono_string_to_byvalwstr:
1019 * @dst: Where to store the null-terminated utf16 decoded string.
1020 * @src: the MonoString to copy.
1021 * @size: the maximum number of bytes to copy.
1023 * Copies the MonoString pointed to by @src as a utf16 string into
1024 * @dst, it copies at most @size bytes into the destination (including
1025 * a terminating 16-bit zero terminator).
1028 mono_string_to_byvalwstr (gpointer dst, MonoString *src, int size)
1032 g_assert (dst != NULL);
1033 g_assert (size > 1);
1036 memset (dst, 0, size * 2);
1040 len = MIN (size, (mono_string_length (src)));
1041 memcpy (dst, mono_string_chars (src), size * 2);
1042 if (size <= mono_string_length (src))
1044 *((gunichar2 *) dst + len) = 0;
1048 mono_string_new_len_wrapper (const char *text, guint length)
1050 return mono_string_new_len (mono_domain_get (), text, length);
1054 #ifndef DISABLE_REMOTING
1056 mono_mb_emit_proxy_check (MonoMethodBuilder *mb, int branch_code)
1059 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
1060 mono_mb_emit_byte (mb, CEE_LDIND_I);
1061 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoVTable, klass));
1062 mono_mb_emit_byte (mb, CEE_ADD);
1063 mono_mb_emit_byte (mb, CEE_LDIND_I);
1064 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1065 mono_mb_emit_byte (mb, CEE_MONO_CLASSCONST);
1066 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_defaults.transparent_proxy_class));
1067 pos = mono_mb_emit_branch (mb, branch_code);
1072 mono_mb_emit_xdomain_check (MonoMethodBuilder *mb, int branch_code)
1075 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
1076 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1077 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoRealProxy, target_domain_id));
1078 mono_mb_emit_byte (mb, CEE_LDIND_I4);
1079 mono_mb_emit_icon (mb, -1);
1080 pos = mono_mb_emit_branch (mb, branch_code);
1085 mono_mb_emit_contextbound_check (MonoMethodBuilder *mb, int branch_code)
1087 static int offset = -1;
1091 mono_marshal_find_bitfield_offset (MonoClass, contextbound, &offset, &mask);
1093 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, remote_class));
1094 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1095 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoRemoteClass, proxy_class));
1096 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1097 mono_mb_emit_ldflda (mb, offset);
1098 mono_mb_emit_byte (mb, CEE_LDIND_U1);
1099 mono_mb_emit_icon (mb, mask);
1100 mono_mb_emit_byte (mb, CEE_AND);
1101 mono_mb_emit_icon (mb, 0);
1102 return mono_mb_emit_branch (mb, branch_code);
1104 #endif /* DISABLE_REMOTING */
1107 * mono_mb_emit_exception_marshal_directive:
1109 * This function assumes ownership of MSG, which should be malloc-ed.
1112 mono_mb_emit_exception_marshal_directive (MonoMethodBuilder *mb, char *msg)
1117 s = mono_image_strdup (mb->method->klass->image, msg);
1122 mono_mb_emit_exception_full (mb, "System.Runtime.InteropServices", "MarshalDirectiveException", s);
1125 #endif /* !DISABLE_JIT */
1128 mono_type_to_ldind (MonoType *type)
1134 switch (type->type) {
1136 return CEE_LDIND_I1;
1138 case MONO_TYPE_BOOLEAN:
1139 return CEE_LDIND_U1;
1141 return CEE_LDIND_I2;
1143 case MONO_TYPE_CHAR:
1144 return CEE_LDIND_U2;
1146 return CEE_LDIND_I4;
1148 return CEE_LDIND_U4;
1152 case MONO_TYPE_FNPTR:
1154 case MONO_TYPE_CLASS:
1155 case MONO_TYPE_STRING:
1156 case MONO_TYPE_OBJECT:
1157 case MONO_TYPE_SZARRAY:
1158 case MONO_TYPE_ARRAY:
1159 return CEE_LDIND_REF;
1162 return CEE_LDIND_I8;
1164 return CEE_LDIND_R4;
1166 return CEE_LDIND_R8;
1167 case MONO_TYPE_VALUETYPE:
1168 if (type->data.klass->enumtype) {
1169 type = mono_class_enum_basetype (type->data.klass);
1173 case MONO_TYPE_TYPEDBYREF:
1175 case MONO_TYPE_GENERICINST:
1176 type = &type->data.generic_class->container_class->byval_arg;
1179 g_error ("unknown type 0x%02x in type_to_ldind", type->type);
1185 mono_type_to_stind (MonoType *type)
1191 switch (type->type) {
1194 case MONO_TYPE_BOOLEAN:
1195 return CEE_STIND_I1;
1198 case MONO_TYPE_CHAR:
1199 return CEE_STIND_I2;
1202 return CEE_STIND_I4;
1206 case MONO_TYPE_FNPTR:
1208 case MONO_TYPE_CLASS:
1209 case MONO_TYPE_STRING:
1210 case MONO_TYPE_OBJECT:
1211 case MONO_TYPE_SZARRAY:
1212 case MONO_TYPE_ARRAY:
1213 return CEE_STIND_REF;
1216 return CEE_STIND_I8;
1218 return CEE_STIND_R4;
1220 return CEE_STIND_R8;
1221 case MONO_TYPE_VALUETYPE:
1222 if (type->data.klass->enumtype) {
1223 type = mono_class_enum_basetype (type->data.klass);
1227 case MONO_TYPE_TYPEDBYREF:
1229 case MONO_TYPE_GENERICINST:
1230 type = &type->data.generic_class->container_class->byval_arg;
1233 g_error ("unknown type 0x%02x in type_to_stind", type->type);
1241 emit_ptr_to_object_conv (MonoMethodBuilder *mb, MonoType *type, MonoMarshalConv conv, MonoMarshalSpec *mspec)
1244 case MONO_MARSHAL_CONV_BOOL_I4:
1245 mono_mb_emit_ldloc (mb, 1);
1246 mono_mb_emit_ldloc (mb, 0);
1247 mono_mb_emit_byte (mb, CEE_LDIND_I4);
1248 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
1249 mono_mb_emit_byte (mb, 3);
1250 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
1251 mono_mb_emit_byte (mb, CEE_BR_S);
1252 mono_mb_emit_byte (mb, 1);
1253 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
1254 mono_mb_emit_byte (mb, CEE_STIND_I1);
1256 case MONO_MARSHAL_CONV_BOOL_VARIANTBOOL:
1257 mono_mb_emit_ldloc (mb, 1);
1258 mono_mb_emit_ldloc (mb, 0);
1259 mono_mb_emit_byte (mb, CEE_LDIND_I2);
1260 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
1261 mono_mb_emit_byte (mb, 3);
1262 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
1263 mono_mb_emit_byte (mb, CEE_BR_S);
1264 mono_mb_emit_byte (mb, 1);
1265 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
1266 mono_mb_emit_byte (mb, CEE_STIND_I1);
1268 case MONO_MARSHAL_CONV_ARRAY_BYVALARRAY: {
1269 MonoClass *eklass = NULL;
1272 if (type->type == MONO_TYPE_SZARRAY) {
1273 eklass = type->data.klass;
1275 g_assert_not_reached ();
1278 esize = mono_class_native_size (eklass, NULL);
1280 /* create a new array */
1281 mono_mb_emit_ldloc (mb, 1);
1282 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1283 mono_mb_emit_op (mb, CEE_NEWARR, eklass);
1284 mono_mb_emit_byte (mb, CEE_STIND_I);
1286 if (eklass->blittable) {
1287 /* copy the elements */
1288 mono_mb_emit_ldloc (mb, 1);
1289 mono_mb_emit_byte (mb, CEE_LDIND_I);
1290 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArray, vector));
1291 mono_mb_emit_byte (mb, CEE_ADD);
1292 mono_mb_emit_ldloc (mb, 0);
1293 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem * esize);
1294 mono_mb_emit_byte (mb, CEE_PREFIX1);
1295 mono_mb_emit_byte (mb, CEE_CPBLK);
1298 int array_var, src_var, dst_var, index_var;
1299 guint32 label2, label3;
1301 array_var = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
1302 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1303 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1306 mono_mb_emit_ldloc (mb, 1);
1307 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1308 mono_mb_emit_stloc (mb, array_var);
1310 /* save the old src pointer */
1311 mono_mb_emit_ldloc (mb, 0);
1312 mono_mb_emit_stloc (mb, src_var);
1313 /* save the old dst pointer */
1314 mono_mb_emit_ldloc (mb, 1);
1315 mono_mb_emit_stloc (mb, dst_var);
1317 /* Emit marshalling loop */
1318 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1319 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
1320 mono_mb_emit_stloc (mb, index_var);
1323 label2 = mono_mb_get_label (mb);
1324 mono_mb_emit_ldloc (mb, index_var);
1325 mono_mb_emit_ldloc (mb, array_var);
1326 mono_mb_emit_byte (mb, CEE_LDLEN);
1327 label3 = mono_mb_emit_branch (mb, CEE_BGE);
1329 /* src is already set */
1332 mono_mb_emit_ldloc (mb, array_var);
1333 mono_mb_emit_ldloc (mb, index_var);
1334 mono_mb_emit_op (mb, CEE_LDELEMA, eklass);
1335 mono_mb_emit_stloc (mb, 1);
1337 /* Do the conversion */
1338 emit_struct_conv (mb, eklass, TRUE);
1341 mono_mb_emit_add_to_local (mb, index_var, 1);
1343 mono_mb_emit_branch_label (mb, CEE_BR, label2);
1345 mono_mb_patch_branch (mb, label3);
1347 /* restore the old src pointer */
1348 mono_mb_emit_ldloc (mb, src_var);
1349 mono_mb_emit_stloc (mb, 0);
1350 /* restore the old dst pointer */
1351 mono_mb_emit_ldloc (mb, dst_var);
1352 mono_mb_emit_stloc (mb, 1);
1356 case MONO_MARSHAL_CONV_ARRAY_BYVALCHARARRAY: {
1357 MonoClass *eclass = mono_defaults.char_class;
1359 /* create a new array */
1360 mono_mb_emit_ldloc (mb, 1);
1361 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1362 mono_mb_emit_op (mb, CEE_NEWARR, eclass);
1363 mono_mb_emit_byte (mb, CEE_STIND_REF);
1365 mono_mb_emit_ldloc (mb, 1);
1366 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1367 mono_mb_emit_ldloc (mb, 0);
1368 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1369 mono_mb_emit_icall (mb, mono_byvalarray_to_byte_array);
1372 case MONO_MARSHAL_CONV_STR_BYVALSTR:
1373 mono_mb_emit_ldloc (mb, 1);
1374 mono_mb_emit_ldloc (mb, 0);
1375 mono_mb_emit_icall (mb, mono_string_new_wrapper);
1376 mono_mb_emit_byte (mb, CEE_STIND_REF);
1378 case MONO_MARSHAL_CONV_STR_BYVALWSTR:
1379 if (mspec && mspec->native == MONO_NATIVE_BYVALTSTR && mspec->data.array_data.num_elem) {
1380 mono_mb_emit_ldloc (mb, 1);
1381 mono_mb_emit_ldloc (mb, 0);
1382 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1383 mono_mb_emit_icall (mb, mono_string_from_byvalwstr);
1385 mono_mb_emit_ldloc (mb, 1);
1386 mono_mb_emit_ldloc (mb, 0);
1387 mono_mb_emit_icall (mb, mono_string_from_utf16);
1389 mono_mb_emit_byte (mb, CEE_STIND_REF);
1391 case MONO_MARSHAL_CONV_STR_LPTSTR:
1392 mono_mb_emit_ldloc (mb, 1);
1393 mono_mb_emit_ldloc (mb, 0);
1394 mono_mb_emit_byte (mb, CEE_LDIND_I);
1396 mono_mb_emit_icall (mb, mono_string_from_utf16);
1398 mono_mb_emit_icall (mb, mono_string_new_wrapper);
1400 mono_mb_emit_byte (mb, CEE_STIND_REF);
1402 case MONO_MARSHAL_CONV_STR_LPSTR:
1403 mono_mb_emit_ldloc (mb, 1);
1404 mono_mb_emit_ldloc (mb, 0);
1405 mono_mb_emit_byte (mb, CEE_LDIND_I);
1406 mono_mb_emit_icall (mb, mono_string_new_wrapper);
1407 mono_mb_emit_byte (mb, CEE_STIND_REF);
1409 case MONO_MARSHAL_CONV_STR_LPWSTR:
1410 mono_mb_emit_ldloc (mb, 1);
1411 mono_mb_emit_ldloc (mb, 0);
1412 mono_mb_emit_byte (mb, CEE_LDIND_I);
1413 mono_mb_emit_icall (mb, mono_string_from_utf16);
1414 mono_mb_emit_byte (mb, CEE_STIND_REF);
1416 case MONO_MARSHAL_CONV_OBJECT_STRUCT: {
1417 MonoClass *klass = mono_class_from_mono_type (type);
1418 int src_var, dst_var;
1420 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1421 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1423 /* *dst = new object */
1424 mono_mb_emit_ldloc (mb, 1);
1425 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1426 mono_mb_emit_op (mb, CEE_MONO_NEWOBJ, klass);
1427 mono_mb_emit_byte (mb, CEE_STIND_REF);
1429 /* save the old src pointer */
1430 mono_mb_emit_ldloc (mb, 0);
1431 mono_mb_emit_stloc (mb, src_var);
1432 /* save the old dst pointer */
1433 mono_mb_emit_ldloc (mb, 1);
1434 mono_mb_emit_stloc (mb, dst_var);
1436 /* dst = pointer to newly created object data */
1437 mono_mb_emit_ldloc (mb, 1);
1438 mono_mb_emit_byte (mb, CEE_LDIND_I);
1439 mono_mb_emit_icon (mb, sizeof (MonoObject));
1440 mono_mb_emit_byte (mb, CEE_ADD);
1441 mono_mb_emit_stloc (mb, 1);
1443 emit_struct_conv (mb, klass, TRUE);
1445 /* restore the old src pointer */
1446 mono_mb_emit_ldloc (mb, src_var);
1447 mono_mb_emit_stloc (mb, 0);
1448 /* restore the old dst pointer */
1449 mono_mb_emit_ldloc (mb, dst_var);
1450 mono_mb_emit_stloc (mb, 1);
1453 case MONO_MARSHAL_CONV_DEL_FTN: {
1454 MonoClass *klass = mono_class_from_mono_type (type);
1456 mono_mb_emit_ldloc (mb, 1);
1457 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1458 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
1459 mono_mb_emit_ldloc (mb, 0);
1460 mono_mb_emit_byte (mb, CEE_LDIND_I);
1461 mono_mb_emit_icall (mb, mono_ftnptr_to_delegate);
1462 mono_mb_emit_byte (mb, CEE_STIND_REF);
1465 case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
1466 g_error ("Structure field of type %s can't be marshalled as LPArray", mono_class_from_mono_type (type)->name);
1470 case MONO_MARSHAL_CONV_OBJECT_INTERFACE:
1471 case MONO_MARSHAL_CONV_OBJECT_IUNKNOWN:
1472 case MONO_MARSHAL_CONV_OBJECT_IDISPATCH:
1473 mono_cominterop_emit_ptr_to_object_conv (mb, type, conv, mspec);
1475 #endif /* DISABLE_COM */
1477 case MONO_MARSHAL_CONV_SAFEHANDLE: {
1479 * Passing SafeHandles as ref does not allow the unmanaged code
1480 * to change the SafeHandle value. If the value is changed,
1481 * we should issue a diagnostic exception (NotSupportedException)
1482 * that informs the user that changes to handles in unmanaged code
1485 * Since we currently have no access to the original
1486 * SafeHandle that was used during the marshalling,
1487 * for now we just ignore this, and ignore/discard any
1488 * changes that might have happened to the handle.
1493 case MONO_MARSHAL_CONV_HANDLEREF: {
1495 * Passing HandleRefs in a struct that is ref()ed does not
1496 * copy the values back to the HandleRef
1501 case MONO_MARSHAL_CONV_STR_BSTR:
1502 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
1503 case MONO_MARSHAL_CONV_STR_TBSTR:
1504 case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
1506 char *msg = g_strdup_printf ("marshaling conversion %d not implemented", conv);
1508 mono_mb_emit_exception_marshal_directive (mb, msg);
1515 conv_to_icall (MonoMarshalConv conv)
1518 case MONO_MARSHAL_CONV_STR_LPWSTR:
1519 return mono_marshal_string_to_utf16;
1520 case MONO_MARSHAL_CONV_LPWSTR_STR:
1521 return mono_string_from_utf16;
1522 case MONO_MARSHAL_CONV_LPTSTR_STR:
1523 return mono_string_new_wrapper;
1524 case MONO_MARSHAL_CONV_LPSTR_STR:
1525 return mono_string_new_wrapper;
1526 case MONO_MARSHAL_CONV_STR_LPTSTR:
1528 return mono_marshal_string_to_utf16;
1530 return mono_string_to_lpstr;
1532 case MONO_MARSHAL_CONV_STR_LPSTR:
1533 return mono_string_to_lpstr;
1534 case MONO_MARSHAL_CONV_STR_BSTR:
1535 return mono_string_to_bstr;
1536 case MONO_MARSHAL_CONV_BSTR_STR:
1537 return mono_string_from_bstr;
1538 case MONO_MARSHAL_CONV_STR_TBSTR:
1539 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
1540 return mono_string_to_ansibstr;
1541 case MONO_MARSHAL_CONV_SB_LPSTR:
1542 return mono_string_builder_to_utf8;
1543 case MONO_MARSHAL_CONV_SB_LPTSTR:
1545 return mono_string_builder_to_utf16;
1547 return mono_string_builder_to_utf8;
1549 case MONO_MARSHAL_CONV_SB_LPWSTR:
1550 return mono_string_builder_to_utf16;
1551 case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
1552 return mono_array_to_savearray;
1553 case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
1554 return mono_array_to_lparray;
1555 case MONO_MARSHAL_FREE_LPARRAY:
1556 return mono_free_lparray;
1557 case MONO_MARSHAL_CONV_DEL_FTN:
1558 return mono_delegate_to_ftnptr;
1559 case MONO_MARSHAL_CONV_FTN_DEL:
1560 return mono_ftnptr_to_delegate;
1561 case MONO_MARSHAL_CONV_LPSTR_SB:
1562 return mono_string_utf8_to_builder;
1563 case MONO_MARSHAL_CONV_LPTSTR_SB:
1565 return mono_string_utf16_to_builder;
1567 return mono_string_utf8_to_builder;
1569 case MONO_MARSHAL_CONV_LPWSTR_SB:
1570 return mono_string_utf16_to_builder;
1571 case MONO_MARSHAL_FREE_ARRAY:
1572 return mono_marshal_free_array;
1573 case MONO_MARSHAL_CONV_STR_BYVALSTR:
1574 return mono_string_to_byvalstr;
1575 case MONO_MARSHAL_CONV_STR_BYVALWSTR:
1576 return mono_string_to_byvalwstr;
1578 g_assert_not_reached ();
1585 emit_object_to_ptr_conv (MonoMethodBuilder *mb, MonoType *type, MonoMarshalConv conv, MonoMarshalSpec *mspec)
1590 case MONO_MARSHAL_CONV_BOOL_I4:
1591 mono_mb_emit_ldloc (mb, 1);
1592 mono_mb_emit_ldloc (mb, 0);
1593 mono_mb_emit_byte (mb, CEE_LDIND_U1);
1594 mono_mb_emit_byte (mb, CEE_STIND_I4);
1596 case MONO_MARSHAL_CONV_BOOL_VARIANTBOOL:
1597 mono_mb_emit_ldloc (mb, 1);
1598 mono_mb_emit_ldloc (mb, 0);
1599 mono_mb_emit_byte (mb, CEE_LDIND_U1);
1600 mono_mb_emit_byte (mb, CEE_NEG);
1601 mono_mb_emit_byte (mb, CEE_STIND_I2);
1603 case MONO_MARSHAL_CONV_STR_LPWSTR:
1604 case MONO_MARSHAL_CONV_STR_LPSTR:
1605 case MONO_MARSHAL_CONV_STR_LPTSTR:
1606 case MONO_MARSHAL_CONV_STR_BSTR:
1607 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
1608 case MONO_MARSHAL_CONV_STR_TBSTR: {
1611 /* free space if free == true */
1612 mono_mb_emit_ldloc (mb, 2);
1613 pos = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
1614 mono_mb_emit_ldloc (mb, 1);
1615 mono_mb_emit_byte (mb, CEE_LDIND_I);
1616 mono_mb_emit_icall (mb, g_free);
1617 mono_mb_patch_short_branch (mb, pos);
1619 mono_mb_emit_ldloc (mb, 1);
1620 mono_mb_emit_ldloc (mb, 0);
1621 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1622 mono_mb_emit_icall (mb, conv_to_icall (conv));
1623 mono_mb_emit_byte (mb, CEE_STIND_I);
1626 case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
1627 case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
1628 case MONO_MARSHAL_CONV_DEL_FTN:
1629 mono_mb_emit_ldloc (mb, 1);
1630 mono_mb_emit_ldloc (mb, 0);
1631 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1632 mono_mb_emit_icall (mb, conv_to_icall (conv));
1633 mono_mb_emit_byte (mb, CEE_STIND_I);
1635 case MONO_MARSHAL_CONV_STR_BYVALSTR:
1636 case MONO_MARSHAL_CONV_STR_BYVALWSTR: {
1639 mono_mb_emit_ldloc (mb, 1); /* dst */
1640 mono_mb_emit_ldloc (mb, 0);
1641 mono_mb_emit_byte (mb, CEE_LDIND_REF); /* src String */
1642 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1643 mono_mb_emit_icall (mb, conv_to_icall (conv));
1646 case MONO_MARSHAL_CONV_ARRAY_BYVALARRAY: {
1647 MonoClass *eklass = NULL;
1650 if (type->type == MONO_TYPE_SZARRAY) {
1651 eklass = type->data.klass;
1653 g_assert_not_reached ();
1656 if (eklass->valuetype)
1657 esize = mono_class_native_size (eklass, NULL);
1659 esize = sizeof (gpointer);
1661 mono_mb_emit_ldloc (mb, 0);
1662 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1663 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
1665 if (eklass->blittable) {
1666 mono_mb_emit_ldloc (mb, 1);
1667 mono_mb_emit_ldloc (mb, 0);
1668 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1669 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoArray, vector));
1670 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem * esize);
1671 mono_mb_emit_byte (mb, CEE_PREFIX1);
1672 mono_mb_emit_byte (mb, CEE_CPBLK);
1674 int array_var, src_var, dst_var, index_var;
1675 guint32 label2, label3;
1677 array_var = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
1678 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1679 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1682 mono_mb_emit_ldloc (mb, 0);
1683 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1684 mono_mb_emit_stloc (mb, array_var);
1686 /* save the old src pointer */
1687 mono_mb_emit_ldloc (mb, 0);
1688 mono_mb_emit_stloc (mb, src_var);
1689 /* save the old dst pointer */
1690 mono_mb_emit_ldloc (mb, 1);
1691 mono_mb_emit_stloc (mb, dst_var);
1693 /* Emit marshalling loop */
1694 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1695 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
1696 mono_mb_emit_stloc (mb, index_var);
1699 label2 = mono_mb_get_label (mb);
1700 mono_mb_emit_ldloc (mb, index_var);
1701 mono_mb_emit_ldloc (mb, array_var);
1702 mono_mb_emit_byte (mb, CEE_LDLEN);
1703 label3 = mono_mb_emit_branch (mb, CEE_BGE);
1706 mono_mb_emit_ldloc (mb, array_var);
1707 mono_mb_emit_ldloc (mb, index_var);
1708 mono_mb_emit_op (mb, CEE_LDELEMA, eklass);
1709 mono_mb_emit_stloc (mb, 0);
1711 /* dst is already set */
1713 /* Do the conversion */
1714 emit_struct_conv (mb, eklass, FALSE);
1717 mono_mb_emit_add_to_local (mb, index_var, 1);
1719 mono_mb_emit_branch_label (mb, CEE_BR, label2);
1721 mono_mb_patch_branch (mb, label3);
1723 /* restore the old src pointer */
1724 mono_mb_emit_ldloc (mb, src_var);
1725 mono_mb_emit_stloc (mb, 0);
1726 /* restore the old dst pointer */
1727 mono_mb_emit_ldloc (mb, dst_var);
1728 mono_mb_emit_stloc (mb, 1);
1731 mono_mb_patch_branch (mb, pos);
1734 case MONO_MARSHAL_CONV_ARRAY_BYVALCHARARRAY: {
1735 mono_mb_emit_ldloc (mb, 0);
1736 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1737 pos = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
1739 mono_mb_emit_ldloc (mb, 1);
1740 mono_mb_emit_ldloc (mb, 0);
1741 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1742 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1743 mono_mb_emit_icall (mb, mono_array_to_byte_byvalarray);
1744 mono_mb_patch_short_branch (mb, pos);
1747 case MONO_MARSHAL_CONV_OBJECT_STRUCT: {
1748 int src_var, dst_var;
1750 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1751 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1753 mono_mb_emit_ldloc (mb, 0);
1754 mono_mb_emit_byte (mb, CEE_LDIND_I);
1755 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
1757 /* save the old src pointer */
1758 mono_mb_emit_ldloc (mb, 0);
1759 mono_mb_emit_stloc (mb, src_var);
1760 /* save the old dst pointer */
1761 mono_mb_emit_ldloc (mb, 1);
1762 mono_mb_emit_stloc (mb, dst_var);
1764 /* src = pointer to object data */
1765 mono_mb_emit_ldloc (mb, 0);
1766 mono_mb_emit_byte (mb, CEE_LDIND_I);
1767 mono_mb_emit_icon (mb, sizeof (MonoObject));
1768 mono_mb_emit_byte (mb, CEE_ADD);
1769 mono_mb_emit_stloc (mb, 0);
1771 emit_struct_conv (mb, mono_class_from_mono_type (type), FALSE);
1773 /* restore the old src pointer */
1774 mono_mb_emit_ldloc (mb, src_var);
1775 mono_mb_emit_stloc (mb, 0);
1776 /* restore the old dst pointer */
1777 mono_mb_emit_ldloc (mb, dst_var);
1778 mono_mb_emit_stloc (mb, 1);
1780 mono_mb_patch_branch (mb, pos);
1785 case MONO_MARSHAL_CONV_OBJECT_INTERFACE:
1786 case MONO_MARSHAL_CONV_OBJECT_IDISPATCH:
1787 case MONO_MARSHAL_CONV_OBJECT_IUNKNOWN:
1788 mono_cominterop_emit_object_to_ptr_conv (mb, type, conv, mspec);
1790 #endif /* DISABLE_COM */
1792 case MONO_MARSHAL_CONV_SAFEHANDLE: {
1793 int dar_release_slot, pos;
1795 dar_release_slot = mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
1798 * The following is ifdefed-out, because I have no way of doing the
1799 * DangerousRelease when destroying the structure
1802 /* set release = false */
1803 mono_mb_emit_icon (mb, 0);
1804 mono_mb_emit_stloc (mb, dar_release_slot);
1805 if (!sh_dangerous_add_ref)
1806 init_safe_handle ();
1808 /* safehandle.DangerousAddRef (ref release) */
1809 mono_mb_emit_ldloc (mb, 0); /* the source */
1810 mono_mb_emit_byte (mb, CEE_LDIND_I);
1811 mono_mb_emit_ldloc_addr (mb, dar_release_slot);
1812 mono_mb_emit_managed_call (mb, sh_dangerous_add_ref, NULL);
1814 mono_mb_emit_ldloc (mb, 0);
1815 mono_mb_emit_byte (mb, CEE_LDIND_I);
1816 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
1817 mono_mb_emit_exception (mb, "ArgumentNullException", NULL);
1818 mono_mb_patch_branch (mb, pos);
1820 /* Pull the handle field from SafeHandle */
1821 mono_mb_emit_ldloc (mb, 1);
1822 mono_mb_emit_ldloc (mb, 0);
1823 mono_mb_emit_byte (mb, CEE_LDIND_I);
1824 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoSafeHandle, handle));
1825 mono_mb_emit_byte (mb, CEE_LDIND_I);
1826 mono_mb_emit_byte (mb, CEE_STIND_I);
1830 case MONO_MARSHAL_CONV_HANDLEREF: {
1831 mono_mb_emit_ldloc (mb, 1);
1832 mono_mb_emit_ldloc (mb, 0);
1833 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoHandleRef, handle));
1834 mono_mb_emit_byte (mb, CEE_ADD);
1835 mono_mb_emit_byte (mb, CEE_LDIND_I);
1836 mono_mb_emit_byte (mb, CEE_STIND_I);
1841 char *msg = g_strdup_printf ("marshalling conversion %d not implemented", conv);
1842 MonoException *exc = mono_get_exception_not_implemented (msg);
1843 g_warning ("%s", msg);
1845 mono_raise_exception (exc);
1851 emit_struct_conv_full (MonoMethodBuilder *mb, MonoClass *klass, gboolean to_object,
1852 MonoMarshalNative string_encoding)
1854 MonoMarshalType *info;
1858 emit_struct_conv(mb, klass->parent, to_object);
1860 info = mono_marshal_load_type_info (klass);
1862 if (info->native_size == 0)
1865 if (klass->blittable) {
1866 int msize = mono_class_value_size (klass, NULL);
1867 g_assert (msize == info->native_size);
1868 mono_mb_emit_ldloc (mb, 1);
1869 mono_mb_emit_ldloc (mb, 0);
1870 mono_mb_emit_icon (mb, msize);
1871 mono_mb_emit_byte (mb, CEE_PREFIX1);
1872 mono_mb_emit_byte (mb, CEE_CPBLK);
1874 mono_mb_emit_add_to_local (mb, 0, msize);
1875 mono_mb_emit_add_to_local (mb, 1, msize);
1879 if (klass != mono_defaults.safehandle_class) {
1880 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
1881 char *msg = g_strdup_printf ("Type %s which is passed to unmanaged code must have a StructLayout attribute.",
1882 mono_type_full_name (&klass->byval_arg));
1883 mono_mb_emit_exception_marshal_directive (mb, msg);
1888 for (i = 0; i < info->num_fields; i++) {
1889 MonoMarshalNative ntype;
1890 MonoMarshalConv conv;
1891 MonoType *ftype = info->fields [i].field->type;
1894 gboolean last_field = i < (info->num_fields -1) ? 0 : 1;
1896 if (ftype->attrs & FIELD_ATTRIBUTE_STATIC)
1899 ntype = mono_type_to_unmanaged (ftype, info->fields [i].mspec, TRUE, klass->unicode, &conv);
1902 msize = klass->instance_size - info->fields [i].field->offset;
1903 usize = info->native_size - info->fields [i].offset;
1905 msize = info->fields [i + 1].field->offset - info->fields [i].field->offset;
1906 usize = info->fields [i + 1].offset - info->fields [i].offset;
1909 if (klass != mono_defaults.safehandle_class){
1911 * FIXME: Should really check for usize==0 and msize>0, but we apply
1912 * the layout to the managed structure as well.
1915 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) && (usize == 0)) {
1916 if (MONO_TYPE_IS_REFERENCE (info->fields [i].field->type) ||
1917 ((!last_field && MONO_TYPE_IS_REFERENCE (info->fields [i + 1].field->type))))
1918 g_error ("Type %s which has an [ExplicitLayout] attribute cannot have a "
1919 "reference field at the same offset as another field.",
1920 mono_type_full_name (&klass->byval_arg));
1925 case MONO_MARSHAL_CONV_NONE: {
1928 if (ftype->byref || ftype->type == MONO_TYPE_I ||
1929 ftype->type == MONO_TYPE_U) {
1930 mono_mb_emit_ldloc (mb, 1);
1931 mono_mb_emit_ldloc (mb, 0);
1932 mono_mb_emit_byte (mb, CEE_LDIND_I);
1933 mono_mb_emit_byte (mb, CEE_STIND_I);
1944 case MONO_TYPE_BOOLEAN:
1947 case MONO_TYPE_CHAR:
1953 mono_mb_emit_ldloc (mb, 1);
1954 mono_mb_emit_ldloc (mb, 0);
1955 if (t == MONO_TYPE_CHAR && ntype == MONO_NATIVE_U1 && string_encoding != MONO_NATIVE_LPWSTR) {
1957 mono_mb_emit_byte (mb, CEE_LDIND_U1);
1958 mono_mb_emit_byte (mb, CEE_STIND_I2);
1960 mono_mb_emit_byte (mb, CEE_LDIND_U2);
1961 mono_mb_emit_byte (mb, CEE_STIND_I1);
1964 mono_mb_emit_byte (mb, mono_type_to_ldind (ftype));
1965 mono_mb_emit_byte (mb, mono_type_to_stind (ftype));
1968 case MONO_TYPE_VALUETYPE: {
1969 int src_var, dst_var;
1971 if (ftype->data.klass->enumtype) {
1972 ftype = mono_class_enum_basetype (ftype->data.klass);
1976 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1977 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1979 /* save the old src pointer */
1980 mono_mb_emit_ldloc (mb, 0);
1981 mono_mb_emit_stloc (mb, src_var);
1982 /* save the old dst pointer */
1983 mono_mb_emit_ldloc (mb, 1);
1984 mono_mb_emit_stloc (mb, dst_var);
1986 emit_struct_conv (mb, ftype->data.klass, to_object);
1988 /* restore the old src pointer */
1989 mono_mb_emit_ldloc (mb, src_var);
1990 mono_mb_emit_stloc (mb, 0);
1991 /* restore the old dst pointer */
1992 mono_mb_emit_ldloc (mb, dst_var);
1993 mono_mb_emit_stloc (mb, 1);
1996 case MONO_TYPE_OBJECT: {
1999 static MonoMethod *variant_clear = NULL;
2000 static MonoMethod *get_object_for_native_variant = NULL;
2003 variant_clear = mono_class_get_method_from_name (mono_class_get_variant_class (), "Clear", 0);
2004 if (!get_object_for_native_variant)
2005 get_object_for_native_variant = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetObjectForNativeVariant", 1);
2006 mono_mb_emit_ldloc (mb, 1);
2007 mono_mb_emit_ldloc (mb, 0);
2008 mono_mb_emit_managed_call (mb, get_object_for_native_variant, NULL);
2009 mono_mb_emit_byte (mb, CEE_STIND_REF);
2011 mono_mb_emit_ldloc (mb, 0);
2012 mono_mb_emit_managed_call (mb, variant_clear, NULL);
2015 static MonoMethod *get_native_variant_for_object = NULL;
2017 if (!get_native_variant_for_object)
2018 get_native_variant_for_object = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetNativeVariantForObject", 2);
2020 mono_mb_emit_ldloc (mb, 0);
2021 mono_mb_emit_byte(mb, CEE_LDIND_REF);
2022 mono_mb_emit_ldloc (mb, 1);
2023 mono_mb_emit_managed_call (mb, get_native_variant_for_object, NULL);
2026 char *msg = g_strdup_printf ("COM support was disabled at compilation time.");
2027 mono_mb_emit_exception_marshal_directive (mb, msg);
2033 g_warning ("marshaling type %02x not implemented", ftype->type);
2034 g_assert_not_reached ();
2039 int src_var, dst_var;
2041 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2042 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2044 /* save the old src pointer */
2045 mono_mb_emit_ldloc (mb, 0);
2046 mono_mb_emit_stloc (mb, src_var);
2047 /* save the old dst pointer */
2048 mono_mb_emit_ldloc (mb, 1);
2049 mono_mb_emit_stloc (mb, dst_var);
2052 emit_ptr_to_object_conv (mb, ftype, conv, info->fields [i].mspec);
2054 emit_object_to_ptr_conv (mb, ftype, conv, info->fields [i].mspec);
2056 /* restore the old src pointer */
2057 mono_mb_emit_ldloc (mb, src_var);
2058 mono_mb_emit_stloc (mb, 0);
2059 /* restore the old dst pointer */
2060 mono_mb_emit_ldloc (mb, dst_var);
2061 mono_mb_emit_stloc (mb, 1);
2066 mono_mb_emit_add_to_local (mb, 0, usize);
2067 mono_mb_emit_add_to_local (mb, 1, msize);
2069 mono_mb_emit_add_to_local (mb, 0, msize);
2070 mono_mb_emit_add_to_local (mb, 1, usize);
2076 emit_struct_conv (MonoMethodBuilder *mb, MonoClass *klass, gboolean to_object)
2078 emit_struct_conv_full (mb, klass, to_object, -1);
2082 emit_struct_free (MonoMethodBuilder *mb, MonoClass *klass, int struct_var)
2084 /* Call DestroyStructure */
2085 /* FIXME: Only do this if needed */
2086 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2087 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
2088 mono_mb_emit_ldloc (mb, struct_var);
2089 mono_mb_emit_icall (mb, mono_struct_delete_old);
2093 emit_thread_interrupt_checkpoint_call (MonoMethodBuilder *mb, gpointer checkpoint_func)
2097 mono_mb_emit_ptr (mb, (gpointer) mono_thread_interruption_request_flag ());
2098 mono_mb_emit_byte (mb, CEE_LDIND_U4);
2099 pos_noabort = mono_mb_emit_branch (mb, CEE_BRFALSE);
2101 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2102 mono_mb_emit_byte (mb, CEE_MONO_NOT_TAKEN);
2104 mono_mb_emit_icall (mb, checkpoint_func);
2106 mono_mb_patch_branch (mb, pos_noabort);
2110 emit_thread_interrupt_checkpoint (MonoMethodBuilder *mb)
2112 if (strstr (mb->name, "mono_thread_interruption_checkpoint"))
2115 emit_thread_interrupt_checkpoint_call (mb, mono_thread_interruption_checkpoint);
2119 emit_thread_force_interrupt_checkpoint (MonoMethodBuilder *mb)
2121 emit_thread_interrupt_checkpoint_call (mb, mono_thread_force_interruption_checkpoint);
2125 mono_marshal_emit_thread_interrupt_checkpoint (MonoMethodBuilder *mb)
2127 emit_thread_interrupt_checkpoint (mb);
2130 #endif /* DISABLE_JIT */
2132 static MonoAsyncResult *
2133 mono_delegate_begin_invoke (MonoDelegate *delegate, gpointer *params)
2135 MonoMethodMessage *msg;
2136 MonoDelegate *async_callback;
2137 MonoMulticastDelegate *mcast_delegate;
2141 MonoMethod *method = NULL, *method2 = NULL;
2143 g_assert (delegate);
2144 mcast_delegate = (MonoMulticastDelegate *) delegate;
2145 if (mcast_delegate->prev != NULL)
2146 mono_raise_exception (mono_get_exception_argument (NULL, "The delegate must have only one target"));
2148 #ifndef DISABLE_REMOTING
2149 if (delegate->target && mono_object_class (delegate->target) == mono_defaults.transparent_proxy_class) {
2151 MonoTransparentProxy* tp = (MonoTransparentProxy *)delegate->target;
2152 if (!mono_class_is_contextbound (tp->remote_class->proxy_class) || tp->rp->context != (MonoObject *) mono_context_get ()) {
2154 /* If the target is a proxy, make a direct call. Is proxy's work
2155 // to make the call asynchronous.
2157 MonoAsyncResult *ares;
2159 MonoArray *out_args;
2160 method = delegate->method;
2162 msg = mono_method_call_message_new (mono_marshal_method_from_wrapper (method), params, NULL, &async_callback, &state);
2163 ares = mono_async_result_new (mono_domain_get (), NULL, state, NULL, NULL);
2164 MONO_OBJECT_SETREF (ares, async_delegate, (MonoObject *)delegate);
2165 MONO_OBJECT_SETREF (ares, async_callback, (MonoObject *)async_callback);
2166 MONO_OBJECT_SETREF (msg, async_result, ares);
2167 msg->call_type = CallType_BeginInvoke;
2170 mono_remoting_invoke ((MonoObject *)tp->rp, msg, &exc, &out_args);
2172 mono_raise_exception ((MonoException *) exc);
2178 klass = delegate->object.vtable->klass;
2180 method = mono_get_delegate_invoke (klass);
2181 method2 = mono_class_get_method_from_name (klass, "BeginInvoke", -1);
2184 g_assert (method != NULL);
2186 im = mono_get_delegate_invoke (method->klass);
2187 msg = mono_method_call_message_new (method, params, im, &async_callback, &state);
2189 return mono_thread_pool_add ((MonoObject *)delegate, msg, async_callback, state);
2195 mono_mb_emit_save_args (MonoMethodBuilder *mb, MonoMethodSignature *sig, gboolean save_this)
2197 int i, params_var, tmp_var;
2199 /* allocate local (pointer) *params[] */
2200 params_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2201 /* allocate local (pointer) tmp */
2202 tmp_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2204 /* alloate space on stack to store an array of pointers to the arguments */
2205 mono_mb_emit_icon (mb, sizeof (gpointer) * (sig->param_count + 1));
2206 mono_mb_emit_byte (mb, CEE_PREFIX1);
2207 mono_mb_emit_byte (mb, CEE_LOCALLOC);
2208 mono_mb_emit_stloc (mb, params_var);
2211 mono_mb_emit_ldloc (mb, params_var);
2212 mono_mb_emit_stloc (mb, tmp_var);
2214 if (save_this && sig->hasthis) {
2215 mono_mb_emit_ldloc (mb, tmp_var);
2216 mono_mb_emit_ldarg_addr (mb, 0);
2217 mono_mb_emit_byte (mb, CEE_STIND_I);
2218 /* tmp = tmp + sizeof (gpointer) */
2219 if (sig->param_count)
2220 mono_mb_emit_add_to_local (mb, tmp_var, sizeof (gpointer));
2224 for (i = 0; i < sig->param_count; i++) {
2225 mono_mb_emit_ldloc (mb, tmp_var);
2226 mono_mb_emit_ldarg_addr (mb, i + sig->hasthis);
2227 mono_mb_emit_byte (mb, CEE_STIND_I);
2228 /* tmp = tmp + sizeof (gpointer) */
2229 if (i < (sig->param_count - 1))
2230 mono_mb_emit_add_to_local (mb, tmp_var, sizeof (gpointer));
2236 #endif /* DISABLE_JIT */
2239 mono_signature_to_name (MonoMethodSignature *sig, const char *prefix)
2243 GString *res = g_string_new ("");
2246 g_string_append (res, prefix);
2247 g_string_append_c (res, '_');
2250 mono_type_get_desc (res, sig->ret, FALSE);
2253 g_string_append (res, "__this__");
2255 for (i = 0; i < sig->param_count; ++i) {
2256 g_string_append_c (res, '_');
2257 mono_type_get_desc (res, sig->params [i], FALSE);
2260 g_string_free (res, FALSE);
2265 * mono_marshal_get_string_encoding:
2267 * Return the string encoding which should be used for a given parameter.
2269 static MonoMarshalNative
2270 mono_marshal_get_string_encoding (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
2272 /* First try the parameter marshal info */
2274 if (spec->native == MONO_NATIVE_LPARRAY) {
2275 if ((spec->data.array_data.elem_type != 0) && (spec->data.array_data.elem_type != MONO_NATIVE_MAX))
2276 return spec->data.array_data.elem_type;
2279 return spec->native;
2283 return MONO_NATIVE_LPSTR;
2285 /* Then try the method level marshal info */
2286 switch (piinfo->piflags & PINVOKE_ATTRIBUTE_CHAR_SET_MASK) {
2287 case PINVOKE_ATTRIBUTE_CHAR_SET_ANSI:
2288 return MONO_NATIVE_LPSTR;
2289 case PINVOKE_ATTRIBUTE_CHAR_SET_UNICODE:
2290 return MONO_NATIVE_LPWSTR;
2291 case PINVOKE_ATTRIBUTE_CHAR_SET_AUTO:
2293 return MONO_NATIVE_LPWSTR;
2295 return MONO_NATIVE_LPSTR;
2298 return MONO_NATIVE_LPSTR;
2302 static MonoMarshalConv
2303 mono_marshal_get_string_to_ptr_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
2305 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
2308 case MONO_NATIVE_LPWSTR:
2309 return MONO_MARSHAL_CONV_STR_LPWSTR;
2310 case MONO_NATIVE_LPSTR:
2311 case MONO_NATIVE_VBBYREFSTR:
2312 return MONO_MARSHAL_CONV_STR_LPSTR;
2313 case MONO_NATIVE_LPTSTR:
2314 return MONO_MARSHAL_CONV_STR_LPTSTR;
2315 case MONO_NATIVE_BSTR:
2316 return MONO_MARSHAL_CONV_STR_BSTR;
2322 static MonoMarshalConv
2323 mono_marshal_get_stringbuilder_to_ptr_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
2325 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
2328 case MONO_NATIVE_LPWSTR:
2329 return MONO_MARSHAL_CONV_SB_LPWSTR;
2331 case MONO_NATIVE_LPSTR:
2332 return MONO_MARSHAL_CONV_SB_LPSTR;
2334 case MONO_NATIVE_LPTSTR:
2335 return MONO_MARSHAL_CONV_SB_LPTSTR;
2342 static MonoMarshalConv
2343 mono_marshal_get_ptr_to_string_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec, gboolean *need_free)
2345 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
2350 case MONO_NATIVE_LPWSTR:
2352 return MONO_MARSHAL_CONV_LPWSTR_STR;
2353 case MONO_NATIVE_LPSTR:
2354 case MONO_NATIVE_VBBYREFSTR:
2355 return MONO_MARSHAL_CONV_LPSTR_STR;
2356 case MONO_NATIVE_LPTSTR:
2357 return MONO_MARSHAL_CONV_LPTSTR_STR;
2358 case MONO_NATIVE_BSTR:
2359 return MONO_MARSHAL_CONV_BSTR_STR;
2365 static MonoMarshalConv
2366 mono_marshal_get_ptr_to_stringbuilder_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec, gboolean *need_free)
2368 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
2373 case MONO_NATIVE_LPWSTR:
2375 * mono_string_builder_to_utf16 does not allocate a
2376 * new buffer, so no need to free it.
2379 return MONO_MARSHAL_CONV_LPWSTR_SB;
2380 case MONO_NATIVE_LPSTR:
2381 return MONO_MARSHAL_CONV_LPSTR_SB;
2383 case MONO_NATIVE_LPTSTR:
2384 return MONO_MARSHAL_CONV_LPTSTR_SB;
2392 * Return whenever a field of a native structure or an array member needs to
2396 mono_marshal_need_free (MonoType *t, MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
2398 MonoMarshalNative encoding;
2399 MonoMarshalConv conv;
2402 case MONO_TYPE_VALUETYPE:
2403 /* FIXME: Optimize this */
2405 case MONO_TYPE_OBJECT:
2406 case MONO_TYPE_CLASS:
2407 if (t->data.klass == mono_defaults.stringbuilder_class) {
2409 conv = mono_marshal_get_ptr_to_stringbuilder_conv (piinfo, spec, &need_free);
2413 case MONO_TYPE_STRING:
2414 encoding = mono_marshal_get_string_encoding (piinfo, spec);
2415 return (encoding == MONO_NATIVE_LPWSTR) ? FALSE : TRUE;
2422 * Return the hash table pointed to by VAR, lazily creating it if neccesary.
2425 get_cache (GHashTable **var, GHashFunc hash_func, GCompareFunc equal_func)
2428 mono_marshal_lock ();
2431 g_hash_table_new (hash_func, equal_func);
2432 mono_memory_barrier ();
2435 mono_marshal_unlock ();
2441 get_cache_full (GHashTable **var, GHashFunc hash_func, GCompareFunc equal_func, GDestroyNotify key_destroy_func, GDestroyNotify value_destroy_func)
2444 mono_marshal_lock ();
2447 g_hash_table_new_full (hash_func, equal_func, key_destroy_func, value_destroy_func);
2448 mono_memory_barrier ();
2451 mono_marshal_unlock ();
2457 mono_marshal_get_cache (GHashTable **var, GHashFunc hash_func, GCompareFunc equal_func)
2459 return get_cache (var, hash_func, equal_func);
2463 mono_marshal_find_in_cache (GHashTable *cache, gpointer key)
2467 mono_marshal_lock ();
2468 res = g_hash_table_lookup (cache, key);
2469 mono_marshal_unlock ();
2473 /* Create the method from the builder and place it in the cache */
2475 mono_mb_create_and_cache (GHashTable *cache, gpointer key,
2476 MonoMethodBuilder *mb, MonoMethodSignature *sig,
2481 mono_marshal_lock ();
2482 res = g_hash_table_lookup (cache, key);
2483 mono_marshal_unlock ();
2486 newm = mono_mb_create_method (mb, sig, max_stack);
2487 mono_marshal_lock ();
2488 res = g_hash_table_lookup (cache, key);
2491 g_hash_table_insert (cache, key, res);
2492 mono_marshal_set_wrapper_info (res, key);
2493 mono_marshal_unlock ();
2495 mono_marshal_unlock ();
2496 mono_free_method (newm);
2504 static inline MonoMethod*
2505 mono_marshal_remoting_find_in_cache (MonoMethod *method, int wrapper_type)
2507 MonoMethod *res = NULL;
2508 MonoRemotingMethods *wrps;
2510 mono_marshal_lock ();
2511 if (method->klass->image->remoting_invoke_cache)
2512 wrps = g_hash_table_lookup (method->klass->image->remoting_invoke_cache, method);
2517 switch (wrapper_type) {
2518 case MONO_WRAPPER_REMOTING_INVOKE: res = wrps->invoke; break;
2519 case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK: res = wrps->invoke_with_check; break;
2520 case MONO_WRAPPER_XDOMAIN_INVOKE: res = wrps->xdomain_invoke; break;
2521 case MONO_WRAPPER_XDOMAIN_DISPATCH: res = wrps->xdomain_dispatch; break;
2525 /* it is important to do the unlock after the load from wrps, since in
2526 * mono_remoting_mb_create_and_cache () we drop the marshal lock to be able
2527 * to take the loader lock and some other thread may set the fields.
2529 mono_marshal_unlock ();
2533 /* Create the method from the builder and place it in the cache */
2534 static inline MonoMethod*
2535 mono_remoting_mb_create_and_cache (MonoMethod *key, MonoMethodBuilder *mb,
2536 MonoMethodSignature *sig, int max_stack)
2538 MonoMethod **res = NULL;
2539 MonoRemotingMethods *wrps;
2540 GHashTable *cache = get_cache_full (&key->klass->image->remoting_invoke_cache, mono_aligned_addr_hash, NULL, NULL, g_free);
2542 mono_marshal_lock ();
2543 wrps = g_hash_table_lookup (cache, key);
2545 wrps = g_new0 (MonoRemotingMethods, 1);
2546 g_hash_table_insert (cache, key, wrps);
2549 switch (mb->method->wrapper_type) {
2550 case MONO_WRAPPER_REMOTING_INVOKE: res = &wrps->invoke; break;
2551 case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK: res = &wrps->invoke_with_check; break;
2552 case MONO_WRAPPER_XDOMAIN_INVOKE: res = &wrps->xdomain_invoke; break;
2553 case MONO_WRAPPER_XDOMAIN_DISPATCH: res = &wrps->xdomain_dispatch; break;
2554 default: g_assert_not_reached (); break;
2556 mono_marshal_unlock ();
2560 newm = mono_mb_create_method (mb, sig, max_stack);
2562 mono_marshal_lock ();
2565 mono_marshal_set_wrapper_info (*res, key);
2566 mono_marshal_unlock ();
2568 mono_marshal_unlock ();
2569 mono_free_method (newm);
2577 mono_marshal_method_from_wrapper (MonoMethod *wrapper)
2580 int wrapper_type = wrapper->wrapper_type;
2583 if (wrapper_type == MONO_WRAPPER_NONE || wrapper_type == MONO_WRAPPER_DYNAMIC_METHOD)
2586 switch (wrapper_type) {
2587 case MONO_WRAPPER_REMOTING_INVOKE:
2588 case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK:
2589 case MONO_WRAPPER_XDOMAIN_INVOKE:
2590 case MONO_WRAPPER_SYNCHRONIZED:
2591 case MONO_WRAPPER_UNBOX:
2592 res = mono_marshal_get_wrapper_info (wrapper);
2595 if (wrapper->is_inflated)
2597 * A method cannot be inflated and a wrapper at the same time, so the wrapper info
2598 * contains an uninflated method.
2600 return mono_class_inflate_generic_method (res, mono_method_get_context (wrapper));
2603 case MONO_WRAPPER_MANAGED_TO_NATIVE:
2604 info = mono_marshal_get_wrapper_info (wrapper);
2605 if (info && (info->subtype == WRAPPER_SUBTYPE_NONE || info->subtype == WRAPPER_SUBTYPE_NATIVE_FUNC_AOT))
2606 return info->d.managed_to_native.method;
2609 case MONO_WRAPPER_RUNTIME_INVOKE:
2610 info = mono_marshal_get_wrapper_info (wrapper);
2611 if (info && (info->subtype == WRAPPER_SUBTYPE_RUNTIME_INVOKE_DIRECT || info->subtype == WRAPPER_SUBTYPE_RUNTIME_INVOKE_VIRTUAL))
2612 return info->d.runtime_invoke.method;
2621 * mono_marshal_get_wrapper_info:
2623 * Retrieve the pointer stored by mono_marshal_set_wrapper_info. The type of data
2624 * returned depends on the wrapper type. It is usually a method, a class, or a
2625 * WrapperInfo structure.
2628 mono_marshal_get_wrapper_info (MonoMethod *wrapper)
2630 g_assert (wrapper->wrapper_type);
2632 return mono_method_get_wrapper_data (wrapper, 1);
2636 * mono_marshal_set_wrapper_info:
2638 * Store an arbitrary pointer inside the wrapper which is retrievable by
2639 * mono_marshal_get_wrapper_info. The format of the data depends on the type of the
2640 * wrapper (method->wrapper_type).
2643 mono_marshal_set_wrapper_info (MonoMethod *method, gpointer data)
2647 if (method->wrapper_type == MONO_WRAPPER_NONE || method->wrapper_type == MONO_WRAPPER_DYNAMIC_METHOD)
2650 datav = ((MonoMethodWrapper *)method)->method_data;
2655 mono_wrapper_info_create (MonoMethod *wrapper, WrapperSubtype subtype)
2659 info = mono_image_alloc0 (wrapper->klass->image, sizeof (WrapperInfo));
2660 info->subtype = subtype;
2665 * get_wrapper_target_class:
2667 * Return the class where a wrapper method should be placed.
2670 get_wrapper_target_class (MonoImage *image)
2676 * - can't put all wrappers into an mscorlib class, because they reference
2677 * metadata (signature) so they should be put into the same image as the
2678 * method they wrap, so they are unloaded together.
2679 * - putting them into a class with a type initalizer could cause the
2680 * initializer to be executed which can be a problem if the wrappers are
2682 * - putting them into an inflated class can cause problems if the the
2683 * class is deleted because it references an image which is unloaded.
2684 * To avoid these problems, we put the wrappers into the <Module> class of
2688 klass = ((MonoDynamicImage*)image)->wrappers_type;
2690 klass = mono_class_get (image, mono_metadata_make_token (MONO_TABLE_TYPEDEF, 1));
2697 * Wrappers for generic methods should be instances of generic wrapper methods, i.e .the wrapper for Sort<int> should be
2698 * an instance of the wrapper for Sort<T>. This is required for full-aot to work.
2702 * check_generic_wrapper_cache:
2704 * Check CACHE for the wrapper of the generic instance ORIG_METHOD, and return it if it is found.
2705 * KEY should be the key for ORIG_METHOD in the cache, while DEF_KEY should be the key of its
2706 * generic method definition.
2709 check_generic_wrapper_cache (GHashTable *cache, MonoMethod *orig_method, gpointer key, gpointer def_key)
2712 MonoMethod *inst, *def;
2713 MonoGenericContext *ctx;
2714 MonoMethod *def_method;
2716 g_assert (orig_method->is_inflated);
2717 def_method = ((MonoMethodInflated*)orig_method)->declaring;
2718 ctx = mono_method_get_context (orig_method);
2721 * Look for the instance
2723 res = mono_marshal_find_in_cache (cache, key);
2728 * Look for the definition
2730 def = mono_marshal_find_in_cache (cache, def_key);
2732 inst = mono_class_inflate_generic_method (def, ctx);
2734 mono_memory_barrier ();
2735 mono_marshal_lock ();
2736 res = g_hash_table_lookup (cache, key);
2738 g_hash_table_insert (cache, key, inst);
2741 mono_marshal_unlock ();
2748 cache_generic_wrapper (GHashTable *cache, MonoMethod *orig_method, MonoMethod *def, MonoGenericContext *ctx, gpointer key)
2750 MonoMethod *inst, *res;
2753 * We use the same cache for the generic definition and the instances.
2755 inst = mono_class_inflate_generic_method (def, ctx);
2756 mono_memory_barrier ();
2757 mono_marshal_lock ();
2758 res = g_hash_table_lookup (cache, key);
2760 g_hash_table_insert (cache, key, inst);
2763 mono_marshal_unlock ();
2768 check_generic_delegate_wrapper_cache (GHashTable *cache, MonoMethod *orig_method, MonoMethod *def_method, MonoGenericContext *ctx)
2771 MonoMethod *inst, *def;
2774 * Look for the instance
2776 res = mono_marshal_find_in_cache (cache, orig_method->klass);
2781 * Look for the definition
2783 def = mono_marshal_find_in_cache (cache, def_method->klass);
2785 inst = mono_class_inflate_generic_method (def, ctx);
2787 mono_memory_barrier ();
2788 mono_marshal_lock ();
2789 res = g_hash_table_lookup (cache, orig_method->klass);
2791 g_hash_table_insert (cache, orig_method->klass, inst);
2794 mono_marshal_unlock ();
2801 cache_generic_delegate_wrapper (GHashTable *cache, MonoMethod *orig_method, MonoMethod *def, MonoGenericContext *ctx)
2803 MonoMethod *inst, *res;
2806 * We use the same cache for the generic definition and the instances.
2808 inst = mono_class_inflate_generic_method (def, ctx);
2809 mono_memory_barrier ();
2810 mono_marshal_lock ();
2811 res = g_hash_table_lookup (cache, orig_method->klass);
2813 g_hash_table_insert (cache, orig_method->klass, inst);
2816 mono_marshal_unlock ();
2821 mono_marshal_get_delegate_begin_invoke (MonoMethod *method)
2823 MonoMethodSignature *sig;
2824 MonoMethodBuilder *mb;
2829 MonoGenericContext *ctx = NULL;
2830 MonoMethod *orig_method = NULL;
2832 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
2833 !strcmp (method->name, "BeginInvoke"));
2836 * For generic delegates, create a generic wrapper, and returns an instance to help AOT.
2838 if (method->is_inflated) {
2839 orig_method = method;
2840 ctx = &((MonoMethodInflated*)method)->context;
2841 method = ((MonoMethodInflated*)method)->declaring;
2844 sig = mono_signature_no_pinvoke (method);
2850 cache = get_cache (&method->klass->image->delegate_begin_invoke_generic_cache, mono_aligned_addr_hash, NULL);
2851 res = check_generic_delegate_wrapper_cache (cache, orig_method, method, ctx);
2855 cache = get_cache (&method->klass->image->delegate_begin_invoke_cache,
2856 (GHashFunc)mono_signature_hash,
2857 (GCompareFunc)mono_metadata_signature_equal);
2858 if ((res = mono_marshal_find_in_cache (cache, sig)))
2862 g_assert (sig->hasthis);
2864 name = mono_signature_to_name (sig, "begin_invoke");
2866 mb = mono_mb_new (method->klass, name, MONO_WRAPPER_DELEGATE_BEGIN_INVOKE);
2868 mb = mono_mb_new (get_wrapper_target_class (method->klass->image), name, MONO_WRAPPER_DELEGATE_BEGIN_INVOKE);
2872 params_var = mono_mb_emit_save_args (mb, sig, FALSE);
2874 mono_mb_emit_ldarg (mb, 0);
2875 mono_mb_emit_ldloc (mb, params_var);
2876 mono_mb_emit_icall (mb, mono_delegate_begin_invoke);
2877 mono_mb_emit_byte (mb, CEE_RET);
2882 def = mono_mb_create_and_cache (cache, method->klass, mb, sig, sig->param_count + 16);
2883 res = cache_generic_delegate_wrapper (cache, orig_method, def, ctx);
2885 res = mono_mb_create_and_cache (cache, sig, mb, sig, sig->param_count + 16);
2893 mono_delegate_end_invoke (MonoDelegate *delegate, gpointer *params)
2895 MonoDomain *domain = mono_domain_get ();
2896 MonoAsyncResult *ares;
2897 MonoMethod *method = NULL;
2898 MonoMethodSignature *sig;
2899 MonoMethodMessage *msg;
2900 MonoObject *res, *exc;
2901 MonoArray *out_args;
2904 g_assert (delegate);
2906 if (!delegate->method_info) {
2907 g_assert (delegate->method);
2908 MONO_OBJECT_SETREF (delegate, method_info, mono_method_get_object (domain, delegate->method, NULL));
2911 if (!delegate->method_info || !delegate->method_info->method)
2912 g_assert_not_reached ();
2914 klass = delegate->object.vtable->klass;
2916 method = mono_class_get_method_from_name (klass, "EndInvoke", -1);
2917 g_assert (method != NULL);
2919 sig = mono_signature_no_pinvoke (method);
2921 msg = mono_method_call_message_new (method, params, NULL, NULL, NULL);
2923 ares = mono_array_get (msg->args, gpointer, sig->param_count - 1);
2925 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."));
2929 if (ares->async_delegate != (MonoObject*)delegate) {
2930 mono_raise_exception (mono_get_exception_invalid_operation (
2931 "The IAsyncResult object provided does not match this delegate."));
2935 #ifndef DISABLE_REMOTING
2936 if (delegate->target && mono_object_is_transparent_proxy (delegate->target)) {
2937 MonoTransparentProxy* tp = (MonoTransparentProxy *)delegate->target;
2938 msg = (MonoMethodMessage *)mono_object_new (domain, mono_defaults.mono_method_message_class);
2939 mono_message_init (domain, msg, delegate->method_info, NULL);
2940 msg->call_type = CallType_EndInvoke;
2941 MONO_OBJECT_SETREF (msg, async_result, ares);
2942 res = mono_remoting_invoke ((MonoObject *)tp->rp, msg, &exc, &out_args);
2946 res = mono_thread_pool_finish (ares, &out_args, &exc);
2950 if (((MonoException*)exc)->stack_trace) {
2951 char *strace = mono_string_to_utf8 (((MonoException*)exc)->stack_trace);
2953 tmp = g_strdup_printf ("%s\nException Rethrown at:\n", strace);
2955 MONO_OBJECT_SETREF (((MonoException*)exc), stack_trace, mono_string_new (domain, tmp));
2958 mono_raise_exception ((MonoException*)exc);
2961 mono_method_return_message_restore (method, params, out_args);
2968 mono_mb_emit_restore_result (MonoMethodBuilder *mb, MonoType *return_type)
2970 MonoType *t = mono_type_get_underlying_type (return_type);
2972 if (return_type->byref)
2973 return_type = &mono_defaults.int_class->byval_arg;
2976 case MONO_TYPE_VOID:
2977 g_assert_not_reached ();
2980 case MONO_TYPE_STRING:
2981 case MONO_TYPE_CLASS:
2982 case MONO_TYPE_OBJECT:
2983 case MONO_TYPE_ARRAY:
2984 case MONO_TYPE_SZARRAY:
2988 case MONO_TYPE_BOOLEAN:
2991 case MONO_TYPE_CHAR:
3001 mono_mb_emit_op (mb, CEE_UNBOX, mono_class_from_mono_type (return_type));
3002 mono_mb_emit_byte (mb, mono_type_to_ldind (return_type));
3004 case MONO_TYPE_GENERICINST:
3005 if (!mono_type_generic_inst_is_valuetype (t))
3008 case MONO_TYPE_VALUETYPE: {
3009 MonoClass *klass = mono_class_from_mono_type (return_type);
3010 mono_mb_emit_op (mb, CEE_UNBOX, klass);
3011 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
3015 case MONO_TYPE_MVAR: {
3016 MonoClass *klass = mono_class_from_mono_type (return_type);
3017 mono_mb_emit_op (mb, CEE_UNBOX_ANY, klass);
3021 g_warning ("type 0x%x not handled", return_type->type);
3022 g_assert_not_reached ();
3025 mono_mb_emit_byte (mb, CEE_RET);
3028 #endif /* DISABLE_JIT */
3031 mono_marshal_get_delegate_end_invoke (MonoMethod *method)
3033 MonoMethodSignature *sig;
3034 MonoMethodBuilder *mb;
3039 MonoGenericContext *ctx = NULL;
3040 MonoMethod *orig_method = NULL;
3042 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
3043 !strcmp (method->name, "EndInvoke"));
3046 * For generic delegates, create a generic wrapper, and returns an instance to help AOT.
3048 if (method->is_inflated) {
3049 orig_method = method;
3050 ctx = &((MonoMethodInflated*)method)->context;
3051 method = ((MonoMethodInflated*)method)->declaring;
3054 sig = mono_signature_no_pinvoke (method);
3060 cache = get_cache (&method->klass->image->delegate_end_invoke_generic_cache, mono_aligned_addr_hash, NULL);
3061 res = check_generic_delegate_wrapper_cache (cache, orig_method, method, ctx);
3065 cache = get_cache (&method->klass->image->delegate_end_invoke_cache,
3066 (GHashFunc)mono_signature_hash,
3067 (GCompareFunc)mono_metadata_signature_equal);
3068 if ((res = mono_marshal_find_in_cache (cache, sig)))
3072 g_assert (sig->hasthis);
3074 name = mono_signature_to_name (sig, "end_invoke");
3076 mb = mono_mb_new (method->klass, name, MONO_WRAPPER_DELEGATE_END_INVOKE);
3078 mb = mono_mb_new (get_wrapper_target_class (method->klass->image), name, MONO_WRAPPER_DELEGATE_END_INVOKE);
3082 params_var = mono_mb_emit_save_args (mb, sig, FALSE);
3084 mono_mb_emit_ldarg (mb, 0);
3085 mono_mb_emit_ldloc (mb, params_var);
3086 mono_mb_emit_icall (mb, mono_delegate_end_invoke);
3088 if (sig->ret->type == MONO_TYPE_VOID) {
3089 mono_mb_emit_byte (mb, CEE_POP);
3090 mono_mb_emit_byte (mb, CEE_RET);
3092 mono_mb_emit_restore_result (mb, sig->ret);
3097 def = mono_mb_create_and_cache (cache, method->klass, mb, sig, sig->param_count + 16);
3098 res = cache_generic_delegate_wrapper (cache, orig_method, def, ctx);
3100 res = mono_mb_create_and_cache (cache, sig,
3101 mb, sig, sig->param_count + 16);
3108 #ifndef DISABLE_REMOTING
3111 mono_remoting_wrapper (MonoMethod *method, gpointer *params)
3113 MonoMethodMessage *msg;
3114 MonoTransparentProxy *this;
3115 MonoObject *res, *exc;
3116 MonoArray *out_args;
3118 this = *((MonoTransparentProxy **)params [0]);
3121 g_assert (((MonoObject *)this)->vtable->klass == mono_defaults.transparent_proxy_class);
3123 /* skip the this pointer */
3126 if (mono_class_is_contextbound (this->remote_class->proxy_class) && this->rp->context == (MonoObject *) mono_context_get ())
3129 MonoMethodSignature *sig = mono_method_signature (method);
3130 int count = sig->param_count;
3131 gpointer* mparams = (gpointer*) alloca(count*sizeof(gpointer));
3133 for (i=0; i<count; i++) {
3134 MonoClass *class = mono_class_from_mono_type (sig->params [i]);
3135 if (class->valuetype) {
3136 if (sig->params [i]->byref) {
3137 mparams[i] = *((gpointer *)params [i]);
3139 /* runtime_invoke expects a boxed instance */
3140 if (mono_class_is_nullable (mono_class_from_mono_type (sig->params [i])))
3141 mparams[i] = mono_nullable_box (params [i], class);
3143 mparams[i] = params [i];
3146 mparams[i] = *((gpointer**)params [i]);
3150 return mono_runtime_invoke (method, method->klass->valuetype? mono_object_unbox ((MonoObject*)this): this, mparams, NULL);
3153 msg = mono_method_call_message_new (method, params, NULL, NULL, NULL);
3155 res = mono_remoting_invoke ((MonoObject *)this->rp, msg, &exc, &out_args);
3158 mono_raise_exception ((MonoException *)exc);
3160 mono_method_return_message_restore (method, params, out_args);
3166 mono_marshal_get_remoting_invoke (MonoMethod *method)
3168 MonoMethodSignature *sig;
3169 MonoMethodBuilder *mb;
3175 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE || method->wrapper_type == MONO_WRAPPER_XDOMAIN_INVOKE)
3178 /* this seems to be the best plase to put this, as all remoting invokes seem to get filtered through here */
3180 if (mono_class_is_com_object (method->klass) || method->klass == mono_class_get_com_object_class ()) {
3181 MonoVTable *vtable = mono_class_vtable (mono_domain_get (), method->klass);
3182 g_assert (vtable); /*FIXME do proper error handling*/
3184 if (!mono_vtable_is_remote (vtable)) {
3185 return mono_cominterop_get_invoke (method);
3190 sig = mono_signature_no_pinvoke (method);
3192 /* we cant remote methods without this pointer */
3196 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_REMOTING_INVOKE)))
3199 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_REMOTING_INVOKE);
3202 mb->method->save_lmf = 1;
3204 params_var = mono_mb_emit_save_args (mb, sig, TRUE);
3206 mono_mb_emit_ptr (mb, method);
3207 mono_mb_emit_ldloc (mb, params_var);
3208 mono_mb_emit_icall (mb, mono_remoting_wrapper);
3209 emit_thread_interrupt_checkpoint (mb);
3211 if (sig->ret->type == MONO_TYPE_VOID) {
3212 mono_mb_emit_byte (mb, CEE_POP);
3213 mono_mb_emit_byte (mb, CEE_RET);
3215 mono_mb_emit_restore_result (mb, sig->ret);
3219 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16);
3225 #endif /* DISABLE_REMOTING */
3228 /* mono_get_xdomain_marshal_type()
3229 * Returns the kind of marshalling that a type needs for cross domain calls.
3231 static MonoXDomainMarshalType
3232 mono_get_xdomain_marshal_type (MonoType *t)
3235 case MONO_TYPE_VOID:
3236 g_assert_not_reached ();
3240 case MONO_TYPE_BOOLEAN:
3243 case MONO_TYPE_CHAR:
3250 return MONO_MARSHAL_NONE;
3251 case MONO_TYPE_STRING:
3252 return MONO_MARSHAL_COPY;
3253 case MONO_TYPE_ARRAY:
3254 case MONO_TYPE_SZARRAY: {
3255 MonoClass *elem_class = mono_class_from_mono_type (t)->element_class;
3256 if (mono_get_xdomain_marshal_type (&(elem_class->byval_arg)) != MONO_MARSHAL_SERIALIZE)
3257 return MONO_MARSHAL_COPY;
3262 return MONO_MARSHAL_SERIALIZE;
3266 /* mono_marshal_xdomain_copy_value
3267 * Makes a copy of "val" suitable for the current domain.
3270 mono_marshal_xdomain_copy_value (MonoObject *val)
3273 if (val == NULL) return NULL;
3275 domain = mono_domain_get ();
3277 switch (mono_object_class (val)->byval_arg.type) {
3278 case MONO_TYPE_VOID:
3279 g_assert_not_reached ();
3283 case MONO_TYPE_BOOLEAN:
3286 case MONO_TYPE_CHAR:
3292 case MONO_TYPE_R8: {
3293 return mono_value_box (domain, mono_object_class (val), ((char*)val) + sizeof(MonoObject));
3295 case MONO_TYPE_STRING: {
3296 MonoString *str = (MonoString *) val;
3297 return (MonoObject *) mono_string_new_utf16 (domain, mono_string_chars (str), mono_string_length (str));
3299 case MONO_TYPE_ARRAY:
3300 case MONO_TYPE_SZARRAY: {
3302 MonoXDomainMarshalType mt = mono_get_xdomain_marshal_type (&(mono_object_class (val)->element_class->byval_arg));
3303 if (mt == MONO_MARSHAL_SERIALIZE) return NULL;
3304 acopy = mono_array_clone_in_domain (domain, (MonoArray *) val);
3305 if (mt == MONO_MARSHAL_COPY) {
3306 int i, len = mono_array_length (acopy);
3307 for (i = 0; i < len; i++) {
3308 MonoObject *item = mono_array_get (acopy, gpointer, i);
3309 mono_array_setref (acopy, i, mono_marshal_xdomain_copy_value (item));
3312 return (MonoObject *) acopy;
3316 if (mono_object_class (val) == mono_defaults.stringbuilder_class) {
3317 MonoStringBuilder *oldsb = (MonoStringBuilder *) val;
3318 MonoStringBuilder *newsb = (MonoStringBuilder *) mono_object_new (domain, mono_defaults.stringbuilder_class);
3319 MONO_OBJECT_SETREF (newsb, str, mono_string_new_utf16 (domain, mono_string_chars (oldsb->str), mono_string_length (oldsb->str)));
3320 newsb->length = oldsb->length;
3321 newsb->max_capacity = (gint32)0x7fffffff;
3322 return (MonoObject *) newsb;
3327 /* mono_marshal_xdomain_copy_out_value()
3328 * Copies the contents of the src instance into the dst instance. src and dst
3329 * must have the same type, and if they are arrays, the same size.
3332 mono_marshal_xdomain_copy_out_value (MonoObject *src, MonoObject *dst)
3334 if (src == NULL || dst == NULL) return;
3336 g_assert (mono_object_class (src) == mono_object_class (dst));
3338 switch (mono_object_class (src)->byval_arg.type) {
3339 case MONO_TYPE_ARRAY:
3340 case MONO_TYPE_SZARRAY: {
3341 int mt = mono_get_xdomain_marshal_type (&(mono_object_class (src)->element_class->byval_arg));
3342 if (mt == MONO_MARSHAL_SERIALIZE) return;
3343 if (mt == MONO_MARSHAL_COPY) {
3344 int i, len = mono_array_length ((MonoArray *)dst);
3345 for (i = 0; i < len; i++) {
3346 MonoObject *item = mono_array_get ((MonoArray *)src, gpointer, i);
3347 mono_array_setref ((MonoArray *)dst, i, mono_marshal_xdomain_copy_value (item));
3350 mono_array_full_copy ((MonoArray *)src, (MonoArray *)dst);
3356 if (mono_object_class (src) == mono_defaults.stringbuilder_class) {
3357 MonoStringBuilder *src_sb = (MonoStringBuilder *) src;
3358 MonoStringBuilder *dst_sb = (MonoStringBuilder *) dst;
3360 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)));
3361 dst_sb->cached_str = NULL;
3362 dst_sb->length = src_sb->length;
3367 #if !(defined (DISABLE_JIT) || defined (DISABLE_REMOTING))
3370 mono_marshal_emit_xdomain_copy_value (MonoMethodBuilder *mb, MonoClass *pclass)
3372 mono_mb_emit_icall (mb, mono_marshal_xdomain_copy_value);
3373 mono_mb_emit_op (mb, CEE_CASTCLASS, pclass);
3377 mono_marshal_emit_xdomain_copy_out_value (MonoMethodBuilder *mb, MonoClass *pclass)
3379 mono_mb_emit_icall (mb, mono_marshal_xdomain_copy_out_value);
3383 #ifndef DISABLE_REMOTING
3384 /* mono_marshal_supports_fast_xdomain()
3385 * Returns TRUE if the method can use the fast xdomain wrapper.
3388 mono_marshal_supports_fast_xdomain (MonoMethod *method)
3390 return !mono_class_is_contextbound (method->klass) &&
3391 !((method->flags & METHOD_ATTRIBUTE_SPECIAL_NAME) && (strcmp (".ctor", method->name) == 0));
3396 mono_marshal_set_domain_by_id (gint32 id, MonoBoolean push)
3398 MonoDomain *current_domain = mono_domain_get ();
3399 MonoDomain *domain = mono_domain_get_by_id (id);
3401 if (!domain || !mono_domain_set (domain, FALSE))
3402 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
3405 mono_thread_push_appdomain_ref (domain);
3407 mono_thread_pop_appdomain_ref ();
3409 return current_domain->domain_id;
3412 #if !(defined (DISABLE_JIT) || defined (DISABLE_REMOTING))
3414 mono_marshal_emit_switch_domain (MonoMethodBuilder *mb)
3416 mono_mb_emit_icall (mb, mono_marshal_set_domain_by_id);
3419 /* mono_marshal_emit_load_domain_method ()
3420 * Loads into the stack a pointer to the code of the provided method for
3421 * the current domain.
3424 mono_marshal_emit_load_domain_method (MonoMethodBuilder *mb, MonoMethod *method)
3426 /* We need a pointer to the method for the running domain (not the domain
3427 * that compiles the method).
3429 mono_mb_emit_ptr (mb, method);
3430 mono_mb_emit_icall (mb, mono_compile_method);
3434 /* mono_marshal_check_domain_image ()
3435 * Returns TRUE if the image is loaded in the specified
3436 * application domain.
3439 mono_marshal_check_domain_image (gint32 domain_id, MonoImage *image)
3444 MonoDomain *domain = mono_domain_get_by_id (domain_id);
3448 mono_domain_assemblies_lock (domain);
3449 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
3451 if (ass->image == image)
3454 mono_domain_assemblies_unlock (domain);
3459 #ifndef DISABLE_REMOTING
3461 /* mono_marshal_get_xappdomain_dispatch ()
3462 * Generates a method that dispatches a method call from another domain into
3463 * the current domain.
3466 mono_marshal_get_xappdomain_dispatch (MonoMethod *method, int *marshal_types, int complex_count, int complex_out_count, int ret_marshal_type)
3468 MonoMethodSignature *sig, *csig;
3469 MonoMethodBuilder *mb;
3471 int i, j, param_index, copy_locals_base;
3472 MonoClass *ret_class = NULL;
3473 int loc_array=0, loc_return=0, loc_serialized_exc=0;
3474 MonoExceptionClause *main_clause;
3476 gboolean copy_return;
3478 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_XDOMAIN_DISPATCH)))
3481 sig = mono_method_signature (method);
3482 copy_return = (sig->ret->type != MONO_TYPE_VOID && ret_marshal_type != MONO_MARSHAL_SERIALIZE);
3485 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3 + sig->param_count - complex_count);
3486 csig->params [j++] = &mono_defaults.object_class->byval_arg;
3487 csig->params [j++] = &byte_array_class->this_arg;
3488 csig->params [j++] = &byte_array_class->this_arg;
3489 for (i = 0; i < sig->param_count; i++) {
3490 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE)
3491 csig->params [j++] = sig->params [i];
3494 csig->ret = sig->ret;
3496 csig->ret = &mono_defaults.void_class->byval_arg;
3498 csig->hasthis = FALSE;
3500 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_XDOMAIN_DISPATCH);
3501 mb->method->save_lmf = 1;
3506 loc_serialized_exc = mono_mb_add_local (mb, &byte_array_class->byval_arg);
3507 if (complex_count > 0)
3508 loc_array = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3509 if (sig->ret->type != MONO_TYPE_VOID) {
3510 loc_return = mono_mb_add_local (mb, sig->ret);
3511 ret_class = mono_class_from_mono_type (sig->ret);
3516 main_clause = mono_image_alloc0 (method->klass->image, sizeof (MonoExceptionClause));
3517 main_clause->try_offset = mono_mb_get_label (mb);
3519 /* Clean the call context */
3521 mono_mb_emit_byte (mb, CEE_LDNULL);
3522 mono_mb_emit_managed_call (mb, method_set_call_context, NULL);
3523 mono_mb_emit_byte (mb, CEE_POP);
3525 /* Deserialize call data */
3527 mono_mb_emit_ldarg (mb, 1);
3528 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3529 mono_mb_emit_byte (mb, CEE_DUP);
3530 pos = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
3532 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
3533 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
3535 if (complex_count > 0)
3536 mono_mb_emit_stloc (mb, loc_array);
3538 mono_mb_emit_byte (mb, CEE_POP);
3540 mono_mb_patch_short_branch (mb, pos);
3542 /* Get the target object */
3544 mono_mb_emit_ldarg (mb, 0);
3545 mono_mb_emit_managed_call (mb, method_rs_appdomain_target, NULL);
3547 /* Load the arguments */
3549 copy_locals_base = mb->locals;
3550 param_index = 3; // Index of the first non-serialized parameter of this wrapper
3552 for (i = 0; i < sig->param_count; i++) {
3553 MonoType *pt = sig->params [i];
3554 MonoClass *pclass = mono_class_from_mono_type (pt);
3555 switch (marshal_types [i]) {
3556 case MONO_MARSHAL_SERIALIZE: {
3557 /* take the value from the serialized array */
3558 mono_mb_emit_ldloc (mb, loc_array);
3559 mono_mb_emit_icon (mb, j++);
3561 if (pclass->valuetype) {
3562 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3563 mono_mb_emit_op (mb, CEE_UNBOX, pclass);
3565 mono_mb_emit_op (mb, CEE_LDELEMA, pclass);
3568 if (pclass->valuetype) {
3569 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3570 mono_mb_emit_op (mb, CEE_UNBOX, pclass);
3571 mono_mb_emit_op (mb, CEE_LDOBJ, pclass);
3573 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3574 if (pclass != mono_defaults.object_class) {
3575 mono_mb_emit_op (mb, CEE_CASTCLASS, pclass);
3581 case MONO_MARSHAL_COPY_OUT: {
3582 /* Keep a local copy of the value since we need to copy it back after the call */
3583 int copy_local = mono_mb_add_local (mb, &(pclass->byval_arg));
3584 mono_mb_emit_ldarg (mb, param_index++);
3585 mono_marshal_emit_xdomain_copy_value (mb, pclass);
3586 mono_mb_emit_byte (mb, CEE_DUP);
3587 mono_mb_emit_stloc (mb, copy_local);
3590 case MONO_MARSHAL_COPY: {
3591 mono_mb_emit_ldarg (mb, param_index);
3593 mono_mb_emit_byte (mb, CEE_DUP);
3594 mono_mb_emit_byte (mb, CEE_DUP);
3595 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3596 mono_marshal_emit_xdomain_copy_value (mb, pclass);
3597 mono_mb_emit_byte (mb, CEE_STIND_REF);
3599 mono_marshal_emit_xdomain_copy_value (mb, pclass);
3604 case MONO_MARSHAL_NONE:
3605 mono_mb_emit_ldarg (mb, param_index++);
3610 /* Make the call to the real object */
3612 emit_thread_force_interrupt_checkpoint (mb);
3614 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
3616 if (sig->ret->type != MONO_TYPE_VOID)
3617 mono_mb_emit_stloc (mb, loc_return);
3619 /* copy back MONO_MARSHAL_COPY_OUT parameters */
3623 for (i = 0; i < sig->param_count; i++) {
3624 if (marshal_types [i] == MONO_MARSHAL_SERIALIZE) continue;
3625 if (marshal_types [i] == MONO_MARSHAL_COPY_OUT) {
3626 mono_mb_emit_ldloc (mb, copy_locals_base + (j++));
3627 mono_mb_emit_ldarg (mb, param_index);
3628 mono_marshal_emit_xdomain_copy_out_value (mb, mono_class_from_mono_type (sig->params [i]));
3633 /* Serialize the return values */
3635 if (complex_out_count > 0) {
3636 /* Reset parameters in the array that don't need to be serialized back */
3638 for (i = 0; i < sig->param_count; i++) {
3639 if (marshal_types[i] != MONO_MARSHAL_SERIALIZE) continue;
3640 if (!sig->params [i]->byref) {
3641 mono_mb_emit_ldloc (mb, loc_array);
3642 mono_mb_emit_icon (mb, j);
3643 mono_mb_emit_byte (mb, CEE_LDNULL);
3644 mono_mb_emit_byte (mb, CEE_STELEM_REF);
3649 /* Add the return value to the array */
3651 if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
3652 mono_mb_emit_ldloc (mb, loc_array);
3653 mono_mb_emit_icon (mb, complex_count); /* The array has an additional slot to hold the ret value */
3654 mono_mb_emit_ldloc (mb, loc_return);
3656 g_assert (ret_class); /*FIXME properly fail here*/
3657 if (ret_class->valuetype) {
3658 mono_mb_emit_op (mb, CEE_BOX, ret_class);
3660 mono_mb_emit_byte (mb, CEE_STELEM_REF);
3665 mono_mb_emit_ldarg (mb, 1);
3666 mono_mb_emit_ldloc (mb, loc_array);
3667 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3668 mono_mb_emit_byte (mb, CEE_STIND_REF);
3669 } else if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
3670 mono_mb_emit_ldarg (mb, 1);
3671 mono_mb_emit_ldloc (mb, loc_return);
3672 if (ret_class->valuetype) {
3673 mono_mb_emit_op (mb, CEE_BOX, ret_class);
3675 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3676 mono_mb_emit_byte (mb, CEE_STIND_REF);
3678 mono_mb_emit_ldarg (mb, 1);
3679 mono_mb_emit_byte (mb, CEE_LDNULL);
3680 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3681 mono_mb_emit_byte (mb, CEE_STIND_REF);
3684 mono_mb_emit_ldarg (mb, 2);
3685 mono_mb_emit_byte (mb, CEE_LDNULL);
3686 mono_mb_emit_byte (mb, CEE_STIND_REF);
3687 pos_leave = mono_mb_emit_branch (mb, CEE_LEAVE);
3689 /* Main exception catch */
3690 main_clause->flags = MONO_EXCEPTION_CLAUSE_NONE;
3691 main_clause->try_len = mono_mb_get_pos (mb) - main_clause->try_offset;
3692 main_clause->data.catch_class = mono_defaults.object_class;
3695 main_clause->handler_offset = mono_mb_get_label (mb);
3696 mono_mb_emit_managed_call (mb, method_rs_serialize_exc, NULL);
3697 mono_mb_emit_stloc (mb, loc_serialized_exc);
3698 mono_mb_emit_ldarg (mb, 2);
3699 mono_mb_emit_ldloc (mb, loc_serialized_exc);
3700 mono_mb_emit_byte (mb, CEE_STIND_REF);
3701 mono_mb_emit_branch (mb, CEE_LEAVE);
3702 main_clause->handler_len = mono_mb_get_pos (mb) - main_clause->handler_offset;
3705 mono_mb_patch_branch (mb, pos_leave);
3708 mono_mb_emit_ldloc (mb, loc_return);
3710 mono_mb_emit_byte (mb, CEE_RET);
3712 mono_mb_set_clauses (mb, 1, main_clause);
3715 res = mono_remoting_mb_create_and_cache (method, mb, csig, csig->param_count + 16);
3721 /* mono_marshal_get_xappdomain_invoke ()
3722 * Generates a fast remoting wrapper for cross app domain calls.
3725 mono_marshal_get_xappdomain_invoke (MonoMethod *method)
3727 MonoMethodSignature *sig;
3728 MonoMethodBuilder *mb;
3730 int i, j, complex_count, complex_out_count, copy_locals_base;
3732 MonoClass *ret_class = NULL;
3733 MonoMethod *xdomain_method;
3734 int ret_marshal_type = MONO_MARSHAL_NONE;
3735 int loc_array=0, loc_serialized_data=-1, loc_real_proxy;
3736 int loc_old_domainid, loc_domainid, loc_return=0, loc_serialized_exc=0, loc_context;
3737 int pos, pos_dispatch, pos_noex;
3738 gboolean copy_return = FALSE;
3742 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE || method->wrapper_type == MONO_WRAPPER_XDOMAIN_INVOKE)
3745 /* we cant remote methods without this pointer */
3746 if (!mono_method_signature (method)->hasthis)
3749 if (!mono_marshal_supports_fast_xdomain (method))
3750 return mono_marshal_get_remoting_invoke (method);
3752 mono_remoting_marshal_init ();
3754 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_XDOMAIN_INVOKE)))
3757 sig = mono_signature_no_pinvoke (method);
3759 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_XDOMAIN_INVOKE);
3760 mb->method->save_lmf = 1;
3762 /* Count the number of parameters that need to be serialized */
3764 marshal_types = alloca (sizeof (int) * sig->param_count);
3765 complex_count = complex_out_count = 0;
3766 for (i = 0; i < sig->param_count; i++) {
3767 MonoType *ptype = sig->params[i];
3768 int mt = mono_get_xdomain_marshal_type (ptype);
3770 /* If the [Out] attribute is applied to a parameter that can be internally copied,
3771 * the copy will be made by reusing the original object instance
3773 if ((ptype->attrs & PARAM_ATTRIBUTE_OUT) != 0 && mt == MONO_MARSHAL_COPY && !ptype->byref)
3774 mt = MONO_MARSHAL_COPY_OUT;
3775 else if (mt == MONO_MARSHAL_SERIALIZE) {
3777 if (ptype->byref) complex_out_count++;
3779 marshal_types [i] = mt;
3782 if (sig->ret->type != MONO_TYPE_VOID) {
3783 ret_marshal_type = mono_get_xdomain_marshal_type (sig->ret);
3784 ret_class = mono_class_from_mono_type (sig->ret);
3785 copy_return = ret_marshal_type != MONO_MARSHAL_SERIALIZE;
3791 if (complex_count > 0)
3792 loc_array = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3793 loc_serialized_data = mono_mb_add_local (mb, &byte_array_class->byval_arg);
3794 loc_real_proxy = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3796 loc_return = mono_mb_add_local (mb, sig->ret);
3797 loc_old_domainid = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
3798 loc_domainid = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
3799 loc_serialized_exc = mono_mb_add_local (mb, &byte_array_class->byval_arg);
3800 loc_context = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3802 /* Save thread domain data */
3804 mono_mb_emit_icall (mb, mono_context_get);
3805 mono_mb_emit_byte (mb, CEE_DUP);
3806 mono_mb_emit_stloc (mb, loc_context);
3808 /* If the thread is not running in the default context, it needs to go
3809 * through the whole remoting sink, since the context is going to change
3811 mono_mb_emit_managed_call (mb, method_needs_context_sink, NULL);
3812 pos = mono_mb_emit_short_branch (mb, CEE_BRTRUE_S);
3814 /* Another case in which the fast path can't be used: when the target domain
3815 * has a different image for the same assembly.
3818 /* Get the target domain id */
3820 mono_mb_emit_ldarg (mb, 0);
3821 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
3822 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3823 mono_mb_emit_byte (mb, CEE_DUP);
3824 mono_mb_emit_stloc (mb, loc_real_proxy);
3826 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoRealProxy, target_domain_id));
3827 mono_mb_emit_byte (mb, CEE_LDIND_I4);
3828 mono_mb_emit_stloc (mb, loc_domainid);
3830 /* Check if the target domain has the same image for the required assembly */
3832 mono_mb_emit_ldloc (mb, loc_domainid);
3833 mono_mb_emit_ptr (mb, method->klass->image);
3834 mono_mb_emit_icall (mb, mono_marshal_check_domain_image);
3835 pos_dispatch = mono_mb_emit_short_branch (mb, CEE_BRTRUE_S);
3837 /* Use the whole remoting sink to dispatch this message */
3839 mono_mb_patch_short_branch (mb, pos);
3841 mono_mb_emit_ldarg (mb, 0);
3842 for (i = 0; i < sig->param_count; i++)
3843 mono_mb_emit_ldarg (mb, i + 1);
3845 mono_mb_emit_managed_call (mb, mono_marshal_get_remoting_invoke (method), NULL);
3846 mono_mb_emit_byte (mb, CEE_RET);
3847 mono_mb_patch_short_branch (mb, pos_dispatch);
3849 /* Create the array that will hold the parameters to be serialized */
3851 if (complex_count > 0) {
3852 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 */
3853 mono_mb_emit_op (mb, CEE_NEWARR, mono_defaults.object_class);
3856 for (i = 0; i < sig->param_count; i++) {
3858 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE) continue;
3859 pclass = mono_class_from_mono_type (sig->params[i]);
3860 mono_mb_emit_byte (mb, CEE_DUP);
3861 mono_mb_emit_icon (mb, j);
3862 mono_mb_emit_ldarg (mb, i + 1); /* 0=this */
3863 if (sig->params[i]->byref) {
3864 if (pclass->valuetype)
3865 mono_mb_emit_op (mb, CEE_LDOBJ, pclass);
3867 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3869 if (pclass->valuetype)
3870 mono_mb_emit_op (mb, CEE_BOX, pclass);
3871 mono_mb_emit_byte (mb, CEE_STELEM_REF);
3874 mono_mb_emit_stloc (mb, loc_array);
3876 /* Serialize parameters */
3878 mono_mb_emit_ldloc (mb, loc_array);
3879 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3880 mono_mb_emit_stloc (mb, loc_serialized_data);
3882 mono_mb_emit_byte (mb, CEE_LDNULL);
3883 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3884 mono_mb_emit_stloc (mb, loc_serialized_data);
3889 mono_mb_emit_ldloc (mb, loc_domainid);
3890 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
3891 mono_marshal_emit_switch_domain (mb);
3892 mono_mb_emit_stloc (mb, loc_old_domainid);
3894 /* Load the arguments */
3896 mono_mb_emit_ldloc (mb, loc_real_proxy);
3897 mono_mb_emit_ldloc_addr (mb, loc_serialized_data);
3898 mono_mb_emit_ldloc_addr (mb, loc_serialized_exc);
3900 copy_locals_base = mb->locals;
3901 for (i = 0; i < sig->param_count; i++) {
3902 switch (marshal_types [i]) {
3903 case MONO_MARSHAL_SERIALIZE:
3905 case MONO_MARSHAL_COPY: {
3906 mono_mb_emit_ldarg (mb, i+1);
3907 if (sig->params [i]->byref) {
3908 /* make a local copy of the byref parameter. The real parameter
3909 * will be updated after the xdomain call
3911 MonoClass *pclass = mono_class_from_mono_type (sig->params [i]);
3912 int copy_local = mono_mb_add_local (mb, &(pclass->byval_arg));
3913 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3914 mono_mb_emit_stloc (mb, copy_local);
3915 mono_mb_emit_ldloc_addr (mb, copy_local);
3919 case MONO_MARSHAL_COPY_OUT:
3920 case MONO_MARSHAL_NONE:
3921 mono_mb_emit_ldarg (mb, i+1);
3926 /* Make the call to the invoke wrapper in the target domain */
3928 xdomain_method = mono_marshal_get_xappdomain_dispatch (method, marshal_types, complex_count, complex_out_count, ret_marshal_type);
3929 mono_marshal_emit_load_domain_method (mb, xdomain_method);
3930 mono_mb_emit_calli (mb, mono_method_signature (xdomain_method));
3933 mono_mb_emit_stloc (mb, loc_return);
3937 mono_mb_emit_ldloc (mb, loc_old_domainid);
3938 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
3939 mono_marshal_emit_switch_domain (mb);
3940 mono_mb_emit_byte (mb, CEE_POP);
3942 /* Restore thread domain data */
3944 mono_mb_emit_ldloc (mb, loc_context);
3945 mono_mb_emit_icall (mb, mono_context_set);
3947 /* if (loc_serialized_exc != null) ... */
3949 mono_mb_emit_ldloc (mb, loc_serialized_exc);
3950 pos_noex = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
3952 mono_mb_emit_ldloc (mb, loc_serialized_exc);
3953 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
3954 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
3955 mono_mb_emit_op (mb, CEE_CASTCLASS, mono_defaults.exception_class);
3956 mono_mb_emit_managed_call (mb, method_exc_fixexc, NULL);
3957 mono_mb_emit_byte (mb, CEE_THROW);
3958 mono_mb_patch_short_branch (mb, pos_noex);
3960 /* copy back non-serialized output parameters */
3963 for (i = 0; i < sig->param_count; i++) {
3964 if (!sig->params [i]->byref || marshal_types [i] != MONO_MARSHAL_COPY) continue;
3965 mono_mb_emit_ldarg (mb, i + 1);
3966 mono_mb_emit_ldloc (mb, copy_locals_base + (j++));
3967 mono_marshal_emit_xdomain_copy_value (mb, mono_class_from_mono_type (sig->params [i]));
3968 mono_mb_emit_byte (mb, CEE_STIND_REF);
3971 /* Deserialize out parameters */
3973 if (complex_out_count > 0) {
3974 mono_mb_emit_ldloc (mb, loc_serialized_data);
3975 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
3976 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
3977 mono_mb_emit_stloc (mb, loc_array);
3979 /* Copy back output parameters and return type */
3982 for (i = 0; i < sig->param_count; i++) {
3983 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE) continue;
3984 if (sig->params[i]->byref) {
3985 MonoClass *pclass = mono_class_from_mono_type (sig->params [i]);
3986 mono_mb_emit_ldarg (mb, i + 1);
3987 mono_mb_emit_ldloc (mb, loc_array);
3988 mono_mb_emit_icon (mb, j);
3989 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3990 if (pclass->valuetype) {
3991 mono_mb_emit_op (mb, CEE_UNBOX, pclass);
3992 mono_mb_emit_op (mb, CEE_LDOBJ, pclass);
3993 mono_mb_emit_op (mb, CEE_STOBJ, pclass);
3995 if (pclass != mono_defaults.object_class)
3996 mono_mb_emit_op (mb, CEE_CASTCLASS, pclass);
3997 mono_mb_emit_byte (mb, CEE_STIND_REF);
4003 if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
4004 mono_mb_emit_ldloc (mb, loc_array);
4005 mono_mb_emit_icon (mb, complex_count);
4006 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
4007 if (ret_class->valuetype) {
4008 mono_mb_emit_op (mb, CEE_UNBOX, ret_class);
4009 mono_mb_emit_op (mb, CEE_LDOBJ, ret_class);
4012 } else if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
4013 mono_mb_emit_ldloc (mb, loc_serialized_data);
4014 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
4015 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
4016 if (ret_class->valuetype) {
4017 mono_mb_emit_op (mb, CEE_UNBOX, ret_class);
4018 mono_mb_emit_op (mb, CEE_LDOBJ, ret_class);
4019 } else if (ret_class != mono_defaults.object_class) {
4020 mono_mb_emit_op (mb, CEE_CASTCLASS, ret_class);
4023 mono_mb_emit_ldloc (mb, loc_serialized_data);
4024 mono_mb_emit_byte (mb, CEE_DUP);
4025 pos = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
4026 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
4028 mono_mb_patch_short_branch (mb, pos);
4029 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
4030 mono_mb_emit_byte (mb, CEE_POP);
4034 mono_mb_emit_ldloc (mb, loc_return);
4035 if (ret_marshal_type == MONO_MARSHAL_COPY)
4036 mono_marshal_emit_xdomain_copy_value (mb, ret_class);
4039 mono_mb_emit_byte (mb, CEE_RET);
4040 #endif /* DISABLE_JIT */
4042 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16);
4049 mono_marshal_get_remoting_invoke_for_target (MonoMethod *method, MonoRemotingTarget target_type)
4051 if (target_type == MONO_REMOTING_TARGET_APPDOMAIN) {
4052 return mono_marshal_get_xappdomain_invoke (method);
4053 } else if (target_type == MONO_REMOTING_TARGET_COMINTEROP) {
4055 return mono_cominterop_get_invoke (method);
4057 g_assert_not_reached ();
4060 return mono_marshal_get_remoting_invoke (method);
4066 G_GNUC_UNUSED static gpointer
4067 mono_marshal_load_remoting_wrapper (MonoRealProxy *rp, MonoMethod *method)
4069 if (rp->target_domain_id != -1)
4070 return mono_compile_method (mono_marshal_get_xappdomain_invoke (method));
4072 return mono_compile_method (mono_marshal_get_remoting_invoke (method));
4076 mono_marshal_get_remoting_invoke_with_check (MonoMethod *method)
4078 MonoMethodSignature *sig;
4079 MonoMethodBuilder *mb;
4080 MonoMethod *res, *native;
4081 int i, pos, pos_rem;
4085 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK)
4088 /* we cant remote methods without this pointer */
4089 g_assert (mono_method_signature (method)->hasthis);
4091 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK)))
4094 sig = mono_signature_no_pinvoke (method);
4096 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK);
4099 for (i = 0; i <= sig->param_count; i++)
4100 mono_mb_emit_ldarg (mb, i);
4102 mono_mb_emit_ldarg (mb, 0);
4103 pos = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
4105 if (mono_marshal_supports_fast_xdomain (method)) {
4106 mono_mb_emit_ldarg (mb, 0);
4107 pos_rem = mono_mb_emit_xdomain_check (mb, CEE_BEQ);
4109 /* wrapper for cross app domain calls */
4110 native = mono_marshal_get_xappdomain_invoke (method);
4111 mono_mb_emit_managed_call (mb, native, mono_method_signature (native));
4112 mono_mb_emit_byte (mb, CEE_RET);
4114 mono_mb_patch_branch (mb, pos_rem);
4116 /* wrapper for normal remote calls */
4117 native = mono_marshal_get_remoting_invoke (method);
4118 mono_mb_emit_managed_call (mb, native, mono_method_signature (native));
4119 mono_mb_emit_byte (mb, CEE_RET);
4122 mono_mb_patch_branch (mb, pos);
4123 mono_mb_emit_managed_call (mb, method, mono_method_signature (method));
4124 mono_mb_emit_byte (mb, CEE_RET);
4127 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16);
4133 #endif /* DISABLE_REMOTING */
4137 MonoMethodSignature *sig;
4139 } SignatureMethodPair;
4142 signature_method_pair_hash (gconstpointer data)
4144 SignatureMethodPair *pair = (SignatureMethodPair*)data;
4146 return mono_signature_hash (pair->sig) ^ mono_aligned_addr_hash (pair->method);
4150 signature_method_pair_equal (SignatureMethodPair *pair1, SignatureMethodPair *pair2)
4152 return mono_metadata_signature_equal (pair1->sig, pair2->sig) && (pair1->method == pair2->method);
4156 signature_method_pair_matches_method (gpointer key, gpointer value, gpointer user_data)
4158 SignatureMethodPair *pair = (SignatureMethodPair*)key;
4159 MonoMethod *method = (MonoMethod*)user_data;
4161 return pair->method == method;
4165 free_signature_method_pair (SignatureMethodPair *pair)
4171 * the returned method invokes all methods in a multicast delegate.
4174 mono_marshal_get_delegate_invoke (MonoMethod *method, MonoDelegate *del)
4176 MonoMethodSignature *sig, *static_sig, *invoke_sig;
4178 MonoMethodBuilder *mb;
4179 MonoMethod *res, *newm;
4181 SignatureMethodPair key;
4182 SignatureMethodPair *new_key;
4183 int local_prev, local_target;
4186 MonoMethod *target_method = NULL;
4187 MonoClass *target_class = NULL;
4188 gboolean callvirt = FALSE;
4189 gboolean closed_over_null = FALSE;
4190 gboolean static_method_with_first_arg_bound = FALSE;
4191 MonoGenericContext *ctx = NULL;
4192 MonoGenericContainer *container = NULL;
4193 MonoMethod *orig_method = NULL;
4197 * If the delegate target is null, and the target method is not static, a virtual
4198 * call is made to that method with the first delegate argument as this. This is
4199 * a non-documented .NET feature.
4201 if (del && !del->target && del->method && mono_method_signature (del->method)->hasthis) {
4203 target_method = del->method;
4204 if (target_method->is_inflated) {
4205 MonoType *target_type;
4207 g_assert (method->signature->hasthis);
4208 target_type = mono_class_inflate_generic_type (method->signature->params [0],
4209 mono_method_get_context (method));
4210 target_class = mono_class_from_mono_type (target_type);
4212 target_class = del->method->klass;
4216 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
4217 !strcmp (method->name, "Invoke"));
4219 invoke_sig = sig = mono_signature_no_pinvoke (method);
4222 closed_over_null = sig->param_count == mono_method_signature (del->method)->param_count;
4224 if (del && del->method && mono_method_signature (del->method)->param_count == sig->param_count + 1 && (del->method->flags & METHOD_ATTRIBUTE_STATIC)) {
4225 invoke_sig = mono_method_signature (del->method);
4226 target_method = del->method;
4227 static_method_with_first_arg_bound = TRUE;
4231 * For generic delegates, create a generic wrapper, and returns an instance to help AOT.
4233 if (method->is_inflated && !callvirt && !static_method_with_first_arg_bound) {
4234 orig_method = method;
4235 ctx = &((MonoMethodInflated*)method)->context;
4236 method = ((MonoMethodInflated*)method)->declaring;
4238 container = mono_method_get_generic_container (method);
4240 container = method->klass->generic_container;
4241 g_assert (container);
4243 invoke_sig = sig = mono_signature_no_pinvoke (method);
4250 cache = get_cache (&method->klass->image->delegate_invoke_generic_cache, mono_aligned_addr_hash, NULL);
4251 res = check_generic_delegate_wrapper_cache (cache, orig_method, method, ctx);
4254 } else if (callvirt || static_method_with_first_arg_bound) {
4255 GHashTable **cache_ptr;
4256 if (static_method_with_first_arg_bound)
4257 cache_ptr = &method->klass->image->delegate_bound_static_invoke_cache;
4259 cache_ptr = &method->klass->image->delegate_abstract_invoke_cache;
4261 /* We need to cache the signature+method pair */
4262 mono_marshal_lock ();
4264 *cache_ptr = g_hash_table_new_full (signature_method_pair_hash, (GEqualFunc)signature_method_pair_equal, (GDestroyNotify)free_signature_method_pair, NULL);
4266 key.sig = invoke_sig;
4267 key.method = target_method;
4268 res = g_hash_table_lookup (cache, &key);
4269 mono_marshal_unlock ();
4273 cache = get_cache (&method->klass->image->delegate_invoke_cache,
4274 (GHashFunc)mono_signature_hash,
4275 (GCompareFunc)mono_metadata_signature_equal);
4276 res = mono_marshal_find_in_cache (cache, sig);
4281 static_sig = signature_dup (method->klass->image, sig);
4282 static_sig->hasthis = 0;
4283 if (!static_method_with_first_arg_bound)
4284 invoke_sig = static_sig;
4286 if (static_method_with_first_arg_bound)
4287 name = mono_signature_to_name (sig, "invoke_bound_");
4289 name = mono_signature_to_name (sig, "invoke");
4291 mb = mono_mb_new (method->klass, name, MONO_WRAPPER_DELEGATE_INVOKE);
4293 mb = mono_mb_new (get_wrapper_target_class (method->klass->image), name, MONO_WRAPPER_DELEGATE_INVOKE);
4297 /* allocate local 0 (object) */
4298 local_target = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4299 local_prev = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4301 g_assert (sig->hasthis);
4305 * prev.Invoke( args .. );
4306 * return this.<target>( args .. );
4309 /* this wrapper can be used in unmanaged-managed transitions */
4310 emit_thread_interrupt_checkpoint (mb);
4312 /* get this->prev */
4313 mono_mb_emit_ldarg (mb, 0);
4314 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoMulticastDelegate, prev));
4315 mono_mb_emit_byte (mb, CEE_LDIND_REF);
4316 mono_mb_emit_stloc (mb, local_prev);
4317 mono_mb_emit_ldloc (mb, local_prev);
4319 /* if prev != null */
4320 pos0 = mono_mb_emit_branch (mb, CEE_BRFALSE);
4324 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4325 mono_mb_emit_byte (mb, CEE_MONO_NOT_TAKEN);
4327 mono_mb_emit_ldloc (mb, local_prev);
4328 for (i = 0; i < sig->param_count; i++)
4329 mono_mb_emit_ldarg (mb, i + 1);
4331 mono_mb_emit_op (mb, CEE_CALLVIRT, mono_class_inflate_generic_method (method, &container->context));
4333 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
4334 if (sig->ret->type != MONO_TYPE_VOID)
4335 mono_mb_emit_byte (mb, CEE_POP);
4337 /* continued or prev == null */
4338 mono_mb_patch_branch (mb, pos0);
4340 /* get this->target */
4341 mono_mb_emit_ldarg (mb, 0);
4342 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, target));
4343 mono_mb_emit_byte (mb, CEE_LDIND_REF);
4344 mono_mb_emit_stloc (mb, local_target);
4346 /*static methods with bound first arg can have null target and still be bound*/
4347 if (!static_method_with_first_arg_bound) {
4348 /* if target != null */
4349 mono_mb_emit_ldloc (mb, local_target);
4350 pos0 = mono_mb_emit_branch (mb, CEE_BRFALSE);
4352 /* then call this->method_ptr nonstatic */
4355 mono_mb_emit_exception_full (mb, "System", "NotImplementedException", "");
4357 mono_mb_emit_ldloc (mb, local_target);
4358 for (i = 0; i < sig->param_count; ++i)
4359 mono_mb_emit_ldarg (mb, i + 1);
4360 mono_mb_emit_ldarg (mb, 0);
4361 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, method_ptr));
4362 mono_mb_emit_byte (mb, CEE_LDIND_I );
4363 mono_mb_emit_op (mb, CEE_CALLI, sig);
4365 mono_mb_emit_byte (mb, CEE_RET);
4368 /* else [target == null] call this->method_ptr static */
4369 mono_mb_patch_branch (mb, pos0);
4373 if (!closed_over_null) {
4374 mono_mb_emit_ldarg (mb, 1);
4375 mono_mb_emit_op (mb, CEE_CASTCLASS, target_class);
4376 for (i = 1; i < sig->param_count; ++i)
4377 mono_mb_emit_ldarg (mb, i + 1);
4378 mono_mb_emit_op (mb, CEE_CALLVIRT, target_method);
4380 mono_mb_emit_byte (mb, CEE_LDNULL);
4381 for (i = 0; i < sig->param_count; ++i)
4382 mono_mb_emit_ldarg (mb, i + 1);
4383 mono_mb_emit_op (mb, CEE_CALL, target_method);
4386 if (static_method_with_first_arg_bound) {
4387 mono_mb_emit_ldloc (mb, local_target);
4388 if (!MONO_TYPE_IS_REFERENCE (invoke_sig->params[0]))
4389 mono_mb_emit_op (mb, CEE_UNBOX_ANY, mono_class_from_mono_type (invoke_sig->params[0]));
4391 for (i = 0; i < sig->param_count; ++i)
4392 mono_mb_emit_ldarg (mb, i + 1);
4393 mono_mb_emit_ldarg (mb, 0);
4394 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, method_ptr));
4395 mono_mb_emit_byte (mb, CEE_LDIND_I );
4396 mono_mb_emit_op (mb, CEE_CALLI, invoke_sig);
4399 mono_mb_emit_byte (mb, CEE_RET);
4401 mb->skip_visibility = 1;
4402 #endif /* DISABLE_JIT */
4407 def = mono_mb_create_and_cache (cache, method->klass, mb, sig, sig->param_count + 16);
4408 res = cache_generic_delegate_wrapper (cache, orig_method, def, ctx);
4409 } else if (static_method_with_first_arg_bound || callvirt) {
4410 // From mono_mb_create_and_cache
4411 newm = mono_mb_create_method (mb, sig, sig->param_count + 16);
4412 /*We perform double checked locking, so must fence before publishing*/
4413 mono_memory_barrier ();
4414 mono_marshal_lock ();
4415 res = g_hash_table_lookup (cache, &key);
4418 new_key = g_new0 (SignatureMethodPair, 1);
4420 if (static_method_with_first_arg_bound)
4421 new_key->sig = signature_dup (del->method->klass->image, key.sig);
4422 g_hash_table_insert (cache, new_key, res);
4424 info = mono_wrapper_info_create (res, callvirt ? WRAPPER_SUBTYPE_DELEGATE_INVOKE_VIRTUAL : WRAPPER_SUBTYPE_DELEGATE_INVOKE_BOUND);
4425 mono_marshal_set_wrapper_info (res, info);
4427 mono_marshal_unlock ();
4429 mono_marshal_unlock ();
4430 mono_free_method (newm);
4433 res = mono_mb_create_and_cache (cache, sig, mb, sig, sig->param_count + 16);
4435 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_NONE);
4436 mono_marshal_set_wrapper_info (res, info);
4444 * signature_dup_add_this:
4446 * Make a copy of @sig, adding an explicit this argument.
4448 static MonoMethodSignature*
4449 signature_dup_add_this (MonoImage *image, MonoMethodSignature *sig, MonoClass *klass)
4451 MonoMethodSignature *res;
4454 res = mono_metadata_signature_alloc (image, sig->param_count + 1);
4455 memcpy (res, sig, MONO_SIZEOF_METHOD_SIGNATURE);
4456 res->param_count = sig->param_count + 1;
4457 res->hasthis = FALSE;
4458 for (i = sig->param_count - 1; i >= 0; i --)
4459 res->params [i + 1] = sig->params [i];
4460 res->params [0] = klass->valuetype ? &klass->this_arg : &klass->byval_arg;
4466 MonoMethodSignature *ctor_sig;
4467 MonoMethodSignature *sig;
4470 /* protected by the marshal lock, contains CtorSigPair pointers */
4471 static GSList *strsig_list = NULL;
4473 static MonoMethodSignature *
4474 lookup_string_ctor_signature (MonoMethodSignature *sig)
4476 MonoMethodSignature *callsig;
4480 mono_marshal_lock ();
4482 for (item = strsig_list; item; item = item->next) {
4484 /* mono_metadata_signature_equal () is safe to call with the marshal lock
4485 * because it is lock-free.
4487 if (mono_metadata_signature_equal (sig, cs->ctor_sig)) {
4492 mono_marshal_unlock ();
4496 static MonoMethodSignature *
4497 add_string_ctor_signature (MonoMethod *method)
4499 MonoMethodSignature *callsig;
4502 callsig = signature_dup (method->klass->image, mono_method_signature (method));
4503 callsig->ret = &mono_defaults.string_class->byval_arg;
4504 cs = g_new (CtorSigPair, 1);
4506 cs->ctor_sig = mono_method_signature (method);
4508 mono_marshal_lock ();
4509 strsig_list = g_slist_prepend (strsig_list, cs);
4510 mono_marshal_unlock ();
4515 * mono_marshal_get_string_ctor_signature:
4517 * Return the modified signature used by string ctors (they return the newly created
4520 MonoMethodSignature*
4521 mono_marshal_get_string_ctor_signature (MonoMethod *method)
4523 MonoMethodSignature *sig = lookup_string_ctor_signature (mono_method_signature (method));
4525 sig = add_string_ctor_signature (method);
4531 get_runtime_invoke_type (MonoType *t, gboolean ret)
4534 if (t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t)))
4536 /* Can't share this with 'I' as that needs another indirection */
4537 return &mono_defaults.int_class->this_arg;
4540 if (MONO_TYPE_IS_REFERENCE (t))
4541 return &mono_defaults.object_class->byval_arg;
4544 /* The result needs to be boxed */
4549 /* Can't share these as the argument needs to be loaded using sign/zero extension */
4552 return &mono_defaults.sbyte_class->byval_arg;
4554 return &mono_defaults.int16_class->byval_arg;
4556 return &mono_defaults.int32_class->byval_arg;
4559 return &mono_defaults.int64_class->byval_arg;
4560 case MONO_TYPE_BOOLEAN:
4561 return &mono_defaults.byte_class->byval_arg;
4562 case MONO_TYPE_CHAR:
4563 return &mono_defaults.uint16_class->byval_arg;
4566 return &mono_defaults.int_class->byval_arg;
4567 case MONO_TYPE_VALUETYPE:
4568 if (t->data.klass->enumtype) {
4569 t = mono_class_enum_basetype (t->data.klass);
4579 * mono_marshal_get_runtime_invoke_sig:
4581 * Return a common signature used for sharing runtime invoke wrappers.
4583 static MonoMethodSignature*
4584 mono_marshal_get_runtime_invoke_sig (MonoMethodSignature *sig)
4586 MonoMethodSignature *res = mono_metadata_signature_dup (sig);
4589 res->ret = get_runtime_invoke_type (sig->ret, TRUE);
4590 for (i = 0; i < res->param_count; ++i)
4591 res->params [i] = get_runtime_invoke_type (sig->params [i], FALSE);
4597 runtime_invoke_signature_equal (MonoMethodSignature *sig1, MonoMethodSignature *sig2)
4599 /* Can't share wrappers which return a vtype since it needs to be boxed */
4600 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))
4603 return mono_metadata_signature_equal (sig1, sig2);
4611 * Emit the call to the wrapper method from a runtime invoke wrapper.
4614 emit_invoke_call (MonoMethodBuilder *mb, MonoMethod *method,
4615 MonoMethodSignature *sig, MonoMethodSignature *callsig,
4617 gboolean virtual, gboolean need_direct_wrapper)
4619 static MonoString *string_dummy = NULL;
4621 int *tmp_nullable_locals;
4622 gboolean void_ret = FALSE;
4624 /* to make it work with our special string constructors */
4625 if (!string_dummy) {
4626 MONO_GC_REGISTER_ROOT_SINGLE (string_dummy);
4627 string_dummy = mono_string_new_wrapper ("dummy");
4631 g_assert (sig->hasthis);
4632 g_assert (method->flags & METHOD_ATTRIBUTE_VIRTUAL);
4636 if (method->string_ctor) {
4637 if (mono_gc_is_moving ()) {
4638 mono_mb_emit_ptr (mb, &string_dummy);
4639 mono_mb_emit_byte (mb, CEE_LDIND_REF);
4641 mono_mb_emit_ptr (mb, string_dummy);
4644 mono_mb_emit_ldarg (mb, 0);
4648 tmp_nullable_locals = g_new0 (int, sig->param_count);
4650 for (i = 0; i < sig->param_count; i++) {
4651 MonoType *t = sig->params [i];
4654 mono_mb_emit_ldarg (mb, 1);
4656 mono_mb_emit_icon (mb, sizeof (gpointer) * i);
4657 mono_mb_emit_byte (mb, CEE_ADD);
4661 mono_mb_emit_byte (mb, CEE_LDIND_I);
4662 /* A Nullable<T> type don't have a boxed form, it's either null or a boxed T.
4663 * So to make this work we unbox it to a local variablee and push a reference to that.
4665 if (t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t))) {
4666 tmp_nullable_locals [i] = mono_mb_add_local (mb, &mono_class_from_mono_type (t)->byval_arg);
4668 mono_mb_emit_op (mb, CEE_UNBOX_ANY, mono_class_from_mono_type (t));
4669 mono_mb_emit_stloc (mb, tmp_nullable_locals [i]);
4670 mono_mb_emit_ldloc_addr (mb, tmp_nullable_locals [i]);
4675 /*FIXME 'this doesn't handle generic enums. Shouldn't we?*/
4676 type = sig->params [i]->type;
4680 case MONO_TYPE_BOOLEAN:
4684 case MONO_TYPE_CHAR:
4693 mono_mb_emit_byte (mb, CEE_LDIND_I);
4694 mono_mb_emit_byte (mb, mono_type_to_ldind (sig->params [i]));
4696 case MONO_TYPE_STRING:
4697 case MONO_TYPE_CLASS:
4698 case MONO_TYPE_ARRAY:
4700 case MONO_TYPE_SZARRAY:
4701 case MONO_TYPE_OBJECT:
4702 mono_mb_emit_byte (mb, mono_type_to_ldind (sig->params [i]));
4704 case MONO_TYPE_GENERICINST:
4705 if (!mono_type_generic_inst_is_valuetype (sig->params [i])) {
4706 mono_mb_emit_byte (mb, mono_type_to_ldind (sig->params [i]));
4711 case MONO_TYPE_VALUETYPE:
4712 if (type == MONO_TYPE_VALUETYPE && t->data.klass->enumtype) {
4713 type = mono_class_enum_basetype (t->data.klass)->type;
4716 mono_mb_emit_byte (mb, CEE_LDIND_I);
4717 if (mono_class_is_nullable (mono_class_from_mono_type (sig->params [i]))) {
4718 /* Need to convert a boxed vtype to an mp to a Nullable struct */
4719 mono_mb_emit_op (mb, CEE_UNBOX, mono_class_from_mono_type (sig->params [i]));
4720 mono_mb_emit_op (mb, CEE_LDOBJ, mono_class_from_mono_type (sig->params [i]));
4722 mono_mb_emit_op (mb, CEE_LDOBJ, mono_class_from_mono_type (sig->params [i]));
4726 g_assert_not_reached ();
4731 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
4732 } else if (need_direct_wrapper) {
4733 mono_mb_emit_op (mb, CEE_CALL, method);
4735 mono_mb_emit_ldarg (mb, 3);
4736 mono_mb_emit_calli (mb, callsig);
4739 if (sig->ret->byref) {
4741 g_assert_not_reached ();
4744 switch (sig->ret->type) {
4745 case MONO_TYPE_VOID:
4746 if (!method->string_ctor)
4749 case MONO_TYPE_BOOLEAN:
4750 case MONO_TYPE_CHAR:
4763 case MONO_TYPE_VALUETYPE:
4764 case MONO_TYPE_TYPEDBYREF:
4765 case MONO_TYPE_GENERICINST:
4766 /* box value types */
4767 mono_mb_emit_op (mb, CEE_BOX, mono_class_from_mono_type (sig->ret));
4769 case MONO_TYPE_STRING:
4770 case MONO_TYPE_CLASS:
4771 case MONO_TYPE_ARRAY:
4772 case MONO_TYPE_SZARRAY:
4773 case MONO_TYPE_OBJECT:
4777 /* The result is an IntPtr */
4778 mono_mb_emit_op (mb, CEE_BOX, mono_defaults.int_class);
4781 g_assert_not_reached ();
4785 mono_mb_emit_stloc (mb, loc_res);
4787 /* Convert back nullable-byref arguments */
4788 for (i = 0; i < sig->param_count; i++) {
4789 MonoType *t = sig->params [i];
4792 * Box the result and put it back into the array, the caller will have
4793 * to obtain it from there.
4795 if (t->byref && t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t))) {
4796 mono_mb_emit_ldarg (mb, 1);
4797 mono_mb_emit_icon (mb, sizeof (gpointer) * i);
4798 mono_mb_emit_byte (mb, CEE_ADD);
4800 mono_mb_emit_ldloc (mb, tmp_nullable_locals [i]);
4801 mono_mb_emit_op (mb, CEE_BOX, mono_class_from_mono_type (t));
4803 mono_mb_emit_byte (mb, CEE_STIND_REF);
4807 g_free (tmp_nullable_locals);
4811 emit_runtime_invoke_body (MonoMethodBuilder *mb, MonoClass *target_klass, MonoMethod *method,
4812 MonoMethodSignature *sig, MonoMethodSignature *callsig,
4813 gboolean virtual, gboolean need_direct_wrapper)
4816 MonoExceptionClause *clause;
4817 int loc_res, loc_exc;
4819 /* The wrapper looks like this:
4825 * } catch (Exception e) {
4833 /* allocate local 0 (object) tmp */
4834 loc_res = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4835 /* allocate local 1 (object) exc */
4836 loc_exc = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4838 /* *exc is assumed to be initialized to NULL by the caller */
4840 mono_mb_emit_byte (mb, CEE_LDARG_2);
4841 labels [0] = mono_mb_emit_branch (mb, CEE_BRFALSE);
4846 labels [1] = mono_mb_get_label (mb);
4847 emit_thread_force_interrupt_checkpoint (mb);
4848 emit_invoke_call (mb, method, sig, callsig, loc_res, virtual, need_direct_wrapper);
4850 labels [2] = mono_mb_emit_branch (mb, CEE_LEAVE);
4852 /* Add a try clause around the call */
4853 clause = mono_image_alloc0 (target_klass->image, sizeof (MonoExceptionClause));
4854 clause->flags = MONO_EXCEPTION_CLAUSE_NONE;
4855 clause->data.catch_class = mono_defaults.exception_class;
4856 clause->try_offset = labels [1];
4857 clause->try_len = mono_mb_get_label (mb) - labels [1];
4859 clause->handler_offset = mono_mb_get_label (mb);
4862 mono_mb_emit_stloc (mb, loc_exc);
4863 mono_mb_emit_byte (mb, CEE_LDARG_2);
4864 mono_mb_emit_ldloc (mb, loc_exc);
4865 mono_mb_emit_byte (mb, CEE_STIND_REF);
4867 mono_mb_emit_branch (mb, CEE_LEAVE);
4869 clause->handler_len = mono_mb_get_pos (mb) - clause->handler_offset;
4871 mono_mb_set_clauses (mb, 1, clause);
4873 mono_mb_patch_branch (mb, labels [2]);
4874 mono_mb_emit_ldloc (mb, loc_res);
4875 mono_mb_emit_byte (mb, CEE_RET);
4880 mono_mb_patch_branch (mb, labels [0]);
4881 emit_thread_force_interrupt_checkpoint (mb);
4882 emit_invoke_call (mb, method, sig, callsig, loc_res, virtual, need_direct_wrapper);
4884 mono_mb_emit_ldloc (mb, 0);
4885 mono_mb_emit_byte (mb, CEE_RET);
4890 * generates IL code for the runtime invoke function
4891 * MonoObject *runtime_invoke (MonoObject *this, void **params, MonoObject **exc, void* method)
4893 * we also catch exceptions if exc != null
4894 * If VIRTUAL is TRUE, then METHOD is invoked virtually on THIS. This is useful since
4895 * it means that the compiled code for METHOD does not have to be looked up
4896 * before calling the runtime invoke wrapper. In this case, the wrapper ignores
4897 * its METHOD argument.
4900 mono_marshal_get_runtime_invoke (MonoMethod *method, gboolean virtual)
4902 MonoMethodSignature *sig, *csig, *callsig;
4903 MonoMethodBuilder *mb;
4904 GHashTable *cache = NULL;
4905 MonoClass *target_klass;
4906 MonoMethod *res = NULL;
4907 static MonoMethodSignature *cctor_signature = NULL;
4908 static MonoMethodSignature *finalize_signature = NULL;
4910 const char *param_names [16];
4911 gboolean need_direct_wrapper = FALSE;
4916 if (!cctor_signature) {
4917 cctor_signature = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
4918 cctor_signature->ret = &mono_defaults.void_class->byval_arg;
4920 if (!finalize_signature) {
4921 finalize_signature = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
4922 finalize_signature->ret = &mono_defaults.void_class->byval_arg;
4923 finalize_signature->hasthis = 1;
4927 need_direct_wrapper = TRUE;
4930 * Use a separate cache indexed by methods to speed things up and to avoid the
4931 * boundless mempool growth caused by the signature_dup stuff below.
4934 cache = get_cache (&method->klass->image->runtime_invoke_vcall_cache, mono_aligned_addr_hash, NULL);
4936 cache = get_cache (&method->klass->image->runtime_invoke_direct_cache, mono_aligned_addr_hash, NULL);
4937 res = mono_marshal_find_in_cache (cache, method);
4941 if (method->klass->rank && (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
4942 (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)) {
4944 * Array Get/Set/Address methods. The JIT implements them using inline code
4945 * so we need to create an invoke wrapper which calls the method directly.
4947 need_direct_wrapper = TRUE;
4950 if (method->string_ctor) {
4951 callsig = lookup_string_ctor_signature (mono_method_signature (method));
4953 callsig = add_string_ctor_signature (method);
4954 /* Can't share this as we push a string as this */
4955 need_direct_wrapper = TRUE;
4957 if (method->dynamic)
4958 callsig = signature_dup (method->klass->image, mono_method_signature (method));
4960 callsig = mono_method_signature (method);
4963 target_klass = get_wrapper_target_class (method->klass->image);
4965 /* Try to share wrappers for non-corlib methods with simple signatures */
4966 if (mono_metadata_signature_equal (callsig, cctor_signature)) {
4967 callsig = cctor_signature;
4968 target_klass = mono_defaults.object_class;
4969 } else if (mono_metadata_signature_equal (callsig, finalize_signature)) {
4970 callsig = finalize_signature;
4971 target_klass = mono_defaults.object_class;
4974 if (need_direct_wrapper) {
4975 /* Already searched at the start */
4977 MonoMethodSignature *tmp_sig;
4979 callsig = mono_marshal_get_runtime_invoke_sig (callsig);
4981 if (method->klass->valuetype && mono_method_signature (method)->hasthis)
4982 /* These have a different csig */
4983 cache = get_cache (&target_klass->image->runtime_invoke_vtype_cache,
4984 (GHashFunc)mono_signature_hash,
4985 (GCompareFunc)runtime_invoke_signature_equal);
4987 cache = get_cache (&target_klass->image->runtime_invoke_cache,
4988 (GHashFunc)mono_signature_hash,
4989 (GCompareFunc)runtime_invoke_signature_equal);
4991 /* from mono_marshal_find_in_cache */
4992 mono_marshal_lock ();
4993 res = g_hash_table_lookup (cache, callsig);
4994 mono_marshal_unlock ();
5001 /* Make a copy of the signature from the image mempool */
5003 callsig = mono_metadata_signature_dup_full (target_klass->image, callsig);
5007 sig = mono_method_signature (method);
5009 csig = mono_metadata_signature_alloc (target_klass->image, 4);
5011 csig->ret = &mono_defaults.object_class->byval_arg;
5012 if (method->klass->valuetype && mono_method_signature (method)->hasthis)
5013 csig->params [0] = get_runtime_invoke_type (&method->klass->this_arg, FALSE);
5015 csig->params [0] = &mono_defaults.object_class->byval_arg;
5016 csig->params [1] = &mono_defaults.int_class->byval_arg;
5017 csig->params [2] = &mono_defaults.int_class->byval_arg;
5018 csig->params [3] = &mono_defaults.int_class->byval_arg;
5021 /* This is called from runtime code so it has to be cdecl */
5022 csig->call_convention = MONO_CALL_C;
5025 name = mono_signature_to_name (callsig, virtual ? "runtime_invoke_virtual" : "runtime_invoke");
5026 mb = mono_mb_new (target_klass, name, MONO_WRAPPER_RUNTIME_INVOKE);
5030 param_names [0] = "this";
5031 param_names [1] = "params";
5032 param_names [2] = "exc";
5033 param_names [3] = "method";
5034 mono_mb_set_param_names (mb, param_names);
5036 emit_runtime_invoke_body (mb, target_klass, method, sig, callsig, virtual, need_direct_wrapper);
5039 if (need_direct_wrapper) {
5041 mb->skip_visibility = 1;
5043 res = mono_mb_create_and_cache (cache, method, mb, csig, sig->param_count + 16);
5044 info = mono_wrapper_info_create (res, virtual ? WRAPPER_SUBTYPE_RUNTIME_INVOKE_VIRTUAL : WRAPPER_SUBTYPE_RUNTIME_INVOKE_DIRECT);
5045 info->d.runtime_invoke.method = method;
5046 mono_marshal_set_wrapper_info (res, info);
5048 /* taken from mono_mb_create_and_cache */
5049 mono_marshal_lock ();
5050 res = g_hash_table_lookup (cache, callsig);
5051 mono_marshal_unlock ();
5053 /* Somebody may have created it before us */
5056 newm = mono_mb_create_method (mb, csig, sig->param_count + 16);
5058 mono_marshal_lock ();
5059 res = g_hash_table_lookup (cache, callsig);
5062 g_hash_table_insert (cache, callsig, res);
5063 /* Can't insert it into wrapper_hash since the key is a signature */
5064 g_hash_table_insert (method->klass->image->runtime_invoke_direct_cache, method, res);
5065 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_RUNTIME_INVOKE_NORMAL);
5066 info->d.runtime_invoke.sig = callsig;
5067 mono_marshal_set_wrapper_info (res, info);
5069 mono_free_method (newm);
5071 mono_marshal_unlock ();
5074 /* end mono_mb_create_and_cache */
5083 * mono_marshal_get_runtime_invoke_dynamic:
5085 * Return a method which can be used to invoke managed methods from native code
5087 * The signature of the returned method is given by RuntimeInvokeDynamicFunction:
5088 * void runtime_invoke (void *args, MonoObject **exc, void *compiled_method)
5089 * ARGS should point to an architecture specific structure containing
5090 * the arguments and space for the return value.
5091 * The other arguments are the same as for runtime_invoke (), except that
5092 * ARGS should contain the this argument too.
5093 * This wrapper serves the same purpose as the runtime-invoke wrappers, but there
5094 * is only one copy of it, which is useful in full-aot.
5095 * The wrapper info for the wrapper is a WrapperInfo structure.
5098 mono_marshal_get_runtime_invoke_dynamic (void)
5100 static MonoMethod *method;
5101 MonoMethodSignature *csig;
5102 MonoExceptionClause *clause;
5103 MonoMethodBuilder *mb;
5111 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
5113 csig->ret = &mono_defaults.void_class->byval_arg;
5114 csig->params [0] = &mono_defaults.int_class->byval_arg;
5115 csig->params [1] = &mono_defaults.int_class->byval_arg;
5116 csig->params [2] = &mono_defaults.int_class->byval_arg;
5117 csig->params [3] = &mono_defaults.int_class->byval_arg;
5119 name = g_strdup ("runtime_invoke_dynamic");
5120 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_RUNTIME_INVOKE);
5124 /* allocate local 0 (object) tmp */
5125 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
5126 /* allocate local 1 (object) exc */
5127 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
5129 /* cond set *exc to null */
5130 mono_mb_emit_byte (mb, CEE_LDARG_1);
5131 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
5132 mono_mb_emit_byte (mb, 3);
5133 mono_mb_emit_byte (mb, CEE_LDARG_1);
5134 mono_mb_emit_byte (mb, CEE_LDNULL);
5135 mono_mb_emit_byte (mb, CEE_STIND_REF);
5137 emit_thread_force_interrupt_checkpoint (mb);
5139 mono_mb_emit_byte (mb, CEE_LDARG_0);
5140 mono_mb_emit_byte (mb, CEE_LDARG_2);
5141 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5142 mono_mb_emit_byte (mb, CEE_MONO_DYN_CALL);
5144 pos = mono_mb_emit_branch (mb, CEE_LEAVE);
5146 clause = mono_image_alloc0 (mono_defaults.corlib, sizeof (MonoExceptionClause));
5147 clause->flags = MONO_EXCEPTION_CLAUSE_FILTER;
5148 clause->try_len = mono_mb_get_label (mb);
5151 clause->data.filter_offset = mono_mb_get_label (mb);
5153 mono_mb_emit_byte (mb, CEE_POP);
5154 mono_mb_emit_byte (mb, CEE_LDARG_1);
5155 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
5156 mono_mb_emit_byte (mb, CEE_PREFIX1);
5157 mono_mb_emit_byte (mb, CEE_CGT_UN);
5158 mono_mb_emit_byte (mb, CEE_PREFIX1);
5159 mono_mb_emit_byte (mb, CEE_ENDFILTER);
5161 clause->handler_offset = mono_mb_get_label (mb);
5164 /* store exception */
5165 mono_mb_emit_stloc (mb, 1);
5167 mono_mb_emit_byte (mb, CEE_LDARG_1);
5168 mono_mb_emit_ldloc (mb, 1);
5169 mono_mb_emit_byte (mb, CEE_STIND_REF);
5171 mono_mb_emit_byte (mb, CEE_LDNULL);
5172 mono_mb_emit_stloc (mb, 0);
5174 /* Check for the abort exception */
5175 mono_mb_emit_ldloc (mb, 1);
5176 mono_mb_emit_op (mb, CEE_ISINST, mono_defaults.threadabortexception_class);
5177 posna = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
5179 /* Delay the abort exception */
5180 mono_mb_emit_icall (mb, ves_icall_System_Threading_Thread_ResetAbort);
5182 mono_mb_patch_short_branch (mb, posna);
5183 mono_mb_emit_branch (mb, CEE_LEAVE);
5185 clause->handler_len = mono_mb_get_pos (mb) - clause->handler_offset;
5187 mono_mb_set_clauses (mb, 1, clause);
5190 mono_mb_patch_branch (mb, pos);
5191 //mono_mb_emit_ldloc (mb, 0);
5192 mono_mb_emit_byte (mb, CEE_RET);
5193 #endif /* DISABLE_JIT */
5195 mono_loader_lock ();
5196 /* double-checked locking */
5198 method = mono_mb_create_method (mb, csig, 16);
5199 info = mono_wrapper_info_create (method, WRAPPER_SUBTYPE_RUNTIME_INVOKE_DYNAMIC);
5200 mono_marshal_set_wrapper_info (method, info);
5202 mono_loader_unlock ();
5211 mono_mb_emit_auto_layout_exception (MonoMethodBuilder *mb, MonoClass *klass)
5213 char *msg = g_strdup_printf ("The type `%s.%s' layout needs to be Sequential or Explicit",
5214 klass->name_space, klass->name);
5216 mono_mb_emit_exception_marshal_directive (mb, msg);
5220 #ifndef DISABLE_REMOTING
5222 * mono_marshal_get_ldfld_remote_wrapper:
5223 * @klass: The return type
5225 * This method generates a wrapper for calling mono_load_remote_field_new.
5226 * The return type is ignored for now, as mono_load_remote_field_new () always
5227 * returns an object. In the future, to optimize some codepaths, we might
5228 * call a different function that takes a pointer to a valuetype, instead.
5231 mono_marshal_get_ldfld_remote_wrapper (MonoClass *klass)
5233 MonoMethodSignature *sig, *csig;
5234 MonoMethodBuilder *mb;
5236 static MonoMethod* cached = NULL;
5238 mono_marshal_lock ();
5240 mono_marshal_unlock ();
5243 mono_marshal_unlock ();
5245 mb = mono_mb_new_no_dup_name (mono_defaults.object_class, "__mono_load_remote_field_new_wrapper", MONO_WRAPPER_LDFLD_REMOTE);
5247 mb->method->save_lmf = 1;
5249 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
5250 sig->params [0] = &mono_defaults.object_class->byval_arg;
5251 sig->params [1] = &mono_defaults.int_class->byval_arg;
5252 sig->params [2] = &mono_defaults.int_class->byval_arg;
5253 sig->ret = &mono_defaults.object_class->byval_arg;
5256 mono_mb_emit_ldarg (mb, 0);
5257 mono_mb_emit_ldarg (mb, 1);
5258 mono_mb_emit_ldarg (mb, 2);
5260 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
5261 csig->params [0] = &mono_defaults.object_class->byval_arg;
5262 csig->params [1] = &mono_defaults.int_class->byval_arg;
5263 csig->params [2] = &mono_defaults.int_class->byval_arg;
5264 csig->ret = &mono_defaults.object_class->byval_arg;
5267 mono_mb_emit_native_call (mb, csig, mono_load_remote_field_new);
5268 emit_thread_interrupt_checkpoint (mb);
5270 mono_mb_emit_byte (mb, CEE_RET);
5273 mono_marshal_lock ();
5275 mono_marshal_unlock ();
5278 newm = mono_mb_create_method (mb, sig, 4);
5279 mono_marshal_lock ();
5284 mono_marshal_unlock ();
5286 mono_marshal_unlock ();
5287 mono_free_method (newm);
5296 * mono_marshal_get_ldfld_wrapper:
5297 * @type: the type of the field
5299 * This method generates a function which can be use to load a field with type
5300 * @type from an object. The generated function has the following signature:
5301 * <@type> ldfld_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset)
5304 mono_marshal_get_ldfld_wrapper (MonoType *type)
5306 MonoMethodSignature *sig;
5307 MonoMethodBuilder *mb;
5312 int t, pos0, pos1 = 0;
5314 type = mono_type_get_underlying_type (type);
5319 if (type->type == MONO_TYPE_SZARRAY) {
5320 klass = mono_defaults.array_class;
5321 } else if (type->type == MONO_TYPE_VALUETYPE) {
5322 klass = type->data.klass;
5323 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING) {
5324 klass = mono_defaults.object_class;
5325 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
5326 klass = mono_defaults.int_class;
5327 } else if (t == MONO_TYPE_GENERICINST) {
5328 if (mono_type_generic_inst_is_valuetype (type))
5329 klass = mono_class_from_mono_type (type);
5331 klass = mono_defaults.object_class;
5333 klass = mono_class_from_mono_type (type);
5336 klass = mono_defaults.int_class;
5339 cache = get_cache (&klass->image->ldfld_wrapper_cache, mono_aligned_addr_hash, NULL);
5340 if ((res = mono_marshal_find_in_cache (cache, klass)))
5343 /* we add the %p pointer value of klass because class names are not unique */
5344 name = g_strdup_printf ("__ldfld_wrapper_%p_%s.%s", klass, klass->name_space, klass->name);
5345 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_LDFLD);
5348 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
5349 sig->params [0] = &mono_defaults.object_class->byval_arg;
5350 sig->params [1] = &mono_defaults.int_class->byval_arg;
5351 sig->params [2] = &mono_defaults.int_class->byval_arg;
5352 sig->params [3] = &mono_defaults.int_class->byval_arg;
5353 sig->ret = &klass->byval_arg;
5356 mono_mb_emit_ldarg (mb, 0);
5357 pos0 = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
5359 mono_mb_emit_ldarg (mb, 0);
5360 mono_mb_emit_ldarg (mb, 1);
5361 mono_mb_emit_ldarg (mb, 2);
5363 mono_mb_emit_managed_call (mb, mono_marshal_get_ldfld_remote_wrapper (klass), NULL);
5366 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
5367 csig->params [0] = &mono_defaults.object_class->byval_arg;
5368 csig->params [1] = &mono_defaults.int_class->byval_arg;
5369 csig->params [2] = &mono_defaults.int_class->byval_arg;
5370 csig->ret = &klass->this_arg;
5373 mono_mb_emit_native_call (mb, csig, mono_load_remote_field_new);
5374 emit_thread_interrupt_checkpoint (mb);
5377 if (klass->valuetype) {
5378 mono_mb_emit_op (mb, CEE_UNBOX, klass);
5379 pos1 = mono_mb_emit_branch (mb, CEE_BR);
5381 mono_mb_emit_byte (mb, CEE_RET);
5385 mono_mb_patch_branch (mb, pos0);
5387 mono_mb_emit_ldarg (mb, 0);
5388 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5389 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
5390 mono_mb_emit_ldarg (mb, 3);
5391 mono_mb_emit_byte (mb, CEE_ADD);
5393 if (klass->valuetype)
5394 mono_mb_patch_branch (mb, pos1);
5399 case MONO_TYPE_BOOLEAN:
5400 case MONO_TYPE_CHAR:
5409 case MONO_TYPE_ARRAY:
5410 case MONO_TYPE_SZARRAY:
5411 case MONO_TYPE_OBJECT:
5412 case MONO_TYPE_CLASS:
5413 case MONO_TYPE_STRING:
5417 case MONO_TYPE_FNPTR:
5418 mono_mb_emit_byte (mb, mono_type_to_ldind (type));
5420 case MONO_TYPE_VALUETYPE:
5421 g_assert (!klass->enumtype);
5422 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
5424 case MONO_TYPE_GENERICINST:
5425 if (mono_type_generic_inst_is_valuetype (type)) {
5426 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
5428 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5432 case MONO_TYPE_MVAR:
5433 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
5436 g_warning ("type %x not implemented", type->type);
5437 g_assert_not_reached ();
5440 mono_mb_emit_byte (mb, CEE_RET);
5441 #endif /* DISABLE_JIT */
5443 res = mono_mb_create_and_cache (cache, klass,
5444 mb, sig, sig->param_count + 16);
5451 * mono_marshal_get_ldflda_wrapper:
5452 * @type: the type of the field
5454 * This method generates a function which can be used to load a field address
5455 * from an object. The generated function has the following signature:
5456 * gpointer ldflda_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset);
5459 mono_marshal_get_ldflda_wrapper (MonoType *type)
5461 MonoMethodSignature *sig;
5462 MonoMethodBuilder *mb;
5467 int t, pos0, pos1, pos2, pos3;
5469 type = mono_type_get_underlying_type (type);
5473 if (type->type == MONO_TYPE_SZARRAY) {
5474 klass = mono_defaults.array_class;
5475 } else if (type->type == MONO_TYPE_VALUETYPE) {
5476 klass = type->data.klass;
5477 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING ||
5478 t == MONO_TYPE_CLASS) {
5479 klass = mono_defaults.object_class;
5480 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
5481 klass = mono_defaults.int_class;
5482 } else if (t == MONO_TYPE_GENERICINST) {
5483 if (mono_type_generic_inst_is_valuetype (type))
5484 klass = mono_class_from_mono_type (type);
5486 klass = mono_defaults.object_class;
5488 klass = mono_class_from_mono_type (type);
5491 klass = mono_defaults.int_class;
5494 cache = get_cache (&klass->image->ldflda_wrapper_cache, mono_aligned_addr_hash, NULL);
5495 if ((res = mono_marshal_find_in_cache (cache, klass)))
5498 /* we add the %p pointer value of klass because class names are not unique */
5499 name = g_strdup_printf ("__ldflda_wrapper_%p_%s.%s", klass, klass->name_space, klass->name);
5500 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_LDFLDA);
5503 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
5504 sig->params [0] = &mono_defaults.object_class->byval_arg;
5505 sig->params [1] = &mono_defaults.int_class->byval_arg;
5506 sig->params [2] = &mono_defaults.int_class->byval_arg;
5507 sig->params [3] = &mono_defaults.int_class->byval_arg;
5508 sig->ret = &mono_defaults.int_class->byval_arg;
5511 /* if typeof (this) != transparent_proxy goto pos0 */
5512 mono_mb_emit_ldarg (mb, 0);
5513 pos0 = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
5515 /* if same_appdomain goto pos1 */
5516 mono_mb_emit_ldarg (mb, 0);
5517 pos1 = mono_mb_emit_xdomain_check (mb, CEE_BEQ);
5519 mono_mb_emit_exception_full (mb, "System", "InvalidOperationException", "Attempt to load field address from object in another appdomain.");
5521 /* same app domain */
5522 mono_mb_patch_branch (mb, pos1);
5524 /* if typeof (this) != contextbound goto pos2 */
5525 mono_mb_emit_ldarg (mb, 0);
5526 pos2 = mono_mb_emit_contextbound_check (mb, CEE_BEQ);
5528 /* if this->rp->context == mono_context_get goto pos3 */
5529 mono_mb_emit_ldarg (mb, 0);
5530 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
5531 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5532 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoRealProxy, context));
5533 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5534 mono_mb_emit_icall (mb, mono_context_get);
5535 pos3 = mono_mb_emit_branch (mb, CEE_BEQ);
5537 mono_mb_emit_exception_full (mb, "System", "InvalidOperationException", "Attempt to load field address from object in another context.");
5539 mono_mb_patch_branch (mb, pos2);
5540 mono_mb_patch_branch (mb, pos3);
5542 /* return the address of the field from this->rp->unwrapped_server */
5543 mono_mb_emit_ldarg (mb, 0);
5544 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
5545 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5546 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoRealProxy, unwrapped_server));
5547 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5548 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5549 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
5550 mono_mb_emit_ldarg (mb, 3);
5551 mono_mb_emit_byte (mb, CEE_ADD);
5552 mono_mb_emit_byte (mb, CEE_RET);
5554 /* not a proxy: return the address of the field directly */
5555 mono_mb_patch_branch (mb, pos0);
5557 mono_mb_emit_ldarg (mb, 0);
5558 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5559 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
5560 mono_mb_emit_ldarg (mb, 3);
5561 mono_mb_emit_byte (mb, CEE_ADD);
5563 mono_mb_emit_byte (mb, CEE_RET);
5566 res = mono_mb_create_and_cache (cache, klass,
5567 mb, sig, sig->param_count + 16);
5574 * mono_marshal_get_stfld_remote_wrapper:
5575 * klass: The type of the field
5577 * This function generates a wrapper for calling mono_store_remote_field_new
5578 * with the appropriate signature.
5579 * Similarly to mono_marshal_get_ldfld_remote_wrapper () this doesn't depend on the
5580 * klass argument anymore.
5583 mono_marshal_get_stfld_remote_wrapper (MonoClass *klass)
5585 MonoMethodSignature *sig, *csig;
5586 MonoMethodBuilder *mb;
5588 static MonoMethod *cached = NULL;
5590 mono_marshal_lock ();
5592 mono_marshal_unlock ();
5595 mono_marshal_unlock ();
5597 mb = mono_mb_new_no_dup_name (mono_defaults.object_class, "__mono_store_remote_field_new_wrapper", MONO_WRAPPER_STFLD_REMOTE);
5599 mb->method->save_lmf = 1;
5601 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
5602 sig->params [0] = &mono_defaults.object_class->byval_arg;
5603 sig->params [1] = &mono_defaults.int_class->byval_arg;
5604 sig->params [2] = &mono_defaults.int_class->byval_arg;
5605 sig->params [3] = &mono_defaults.object_class->byval_arg;
5606 sig->ret = &mono_defaults.void_class->byval_arg;
5609 mono_mb_emit_ldarg (mb, 0);
5610 mono_mb_emit_ldarg (mb, 1);
5611 mono_mb_emit_ldarg (mb, 2);
5612 mono_mb_emit_ldarg (mb, 3);
5614 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
5615 csig->params [0] = &mono_defaults.object_class->byval_arg;
5616 csig->params [1] = &mono_defaults.int_class->byval_arg;
5617 csig->params [2] = &mono_defaults.int_class->byval_arg;
5618 csig->params [3] = &mono_defaults.object_class->byval_arg;
5619 csig->ret = &mono_defaults.void_class->byval_arg;
5622 mono_mb_emit_native_call (mb, csig, mono_store_remote_field_new);
5623 emit_thread_interrupt_checkpoint (mb);
5625 mono_mb_emit_byte (mb, CEE_RET);
5628 mono_marshal_lock ();
5630 mono_marshal_unlock ();
5633 newm = mono_mb_create_method (mb, sig, 6);
5634 mono_marshal_lock ();
5639 mono_marshal_unlock ();
5641 mono_marshal_unlock ();
5642 mono_free_method (newm);
5651 * mono_marshal_get_stfld_wrapper:
5652 * @type: the type of the field
5654 * This method generates a function which can be use to store a field with type
5655 * @type. The generated function has the following signature:
5656 * void stfld_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset, <@type> val)
5659 mono_marshal_get_stfld_wrapper (MonoType *type)
5661 MonoMethodSignature *sig;
5662 MonoMethodBuilder *mb;
5669 type = mono_type_get_underlying_type (type);
5673 if (type->type == MONO_TYPE_SZARRAY) {
5674 klass = mono_defaults.array_class;
5675 } else if (type->type == MONO_TYPE_VALUETYPE) {
5676 klass = type->data.klass;
5677 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING) {
5678 klass = mono_defaults.object_class;
5679 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
5680 klass = mono_defaults.int_class;
5681 } else if (t == MONO_TYPE_GENERICINST) {
5682 if (mono_type_generic_inst_is_valuetype (type))
5683 klass = mono_class_from_mono_type (type);
5685 klass = mono_defaults.object_class;
5687 klass = mono_class_from_mono_type (type);
5690 klass = mono_defaults.int_class;
5693 cache = get_cache (&klass->image->stfld_wrapper_cache, mono_aligned_addr_hash, NULL);
5694 if ((res = mono_marshal_find_in_cache (cache, klass)))
5697 /* we add the %p pointer value of klass because class names are not unique */
5698 name = g_strdup_printf ("__stfld_wrapper_%p_%s.%s", klass, klass->name_space, klass->name);
5699 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_STFLD);
5702 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 5);
5703 sig->params [0] = &mono_defaults.object_class->byval_arg;
5704 sig->params [1] = &mono_defaults.int_class->byval_arg;
5705 sig->params [2] = &mono_defaults.int_class->byval_arg;
5706 sig->params [3] = &mono_defaults.int_class->byval_arg;
5707 sig->params [4] = &klass->byval_arg;
5708 sig->ret = &mono_defaults.void_class->byval_arg;
5711 mono_mb_emit_ldarg (mb, 0);
5712 pos = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
5714 mono_mb_emit_ldarg (mb, 0);
5715 mono_mb_emit_ldarg (mb, 1);
5716 mono_mb_emit_ldarg (mb, 2);
5717 mono_mb_emit_ldarg (mb, 4);
5718 if (klass->valuetype)
5719 mono_mb_emit_op (mb, CEE_BOX, klass);
5721 mono_mb_emit_managed_call (mb, mono_marshal_get_stfld_remote_wrapper (klass), NULL);
5723 mono_mb_emit_byte (mb, CEE_RET);
5725 mono_mb_patch_branch (mb, pos);
5727 mono_mb_emit_ldarg (mb, 0);
5728 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5729 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
5730 mono_mb_emit_ldarg (mb, 3);
5731 mono_mb_emit_byte (mb, CEE_ADD);
5732 mono_mb_emit_ldarg (mb, 4);
5737 case MONO_TYPE_BOOLEAN:
5738 case MONO_TYPE_CHAR:
5747 case MONO_TYPE_ARRAY:
5748 case MONO_TYPE_SZARRAY:
5749 case MONO_TYPE_OBJECT:
5750 case MONO_TYPE_CLASS:
5751 case MONO_TYPE_STRING:
5755 case MONO_TYPE_FNPTR:
5756 mono_mb_emit_byte (mb, mono_type_to_stind (type));
5758 case MONO_TYPE_VALUETYPE:
5759 g_assert (!klass->enumtype);
5760 mono_mb_emit_op (mb, CEE_STOBJ, klass);
5762 case MONO_TYPE_GENERICINST:
5764 case MONO_TYPE_MVAR:
5765 mono_mb_emit_op (mb, CEE_STOBJ, klass);
5768 g_warning ("type %x not implemented", type->type);
5769 g_assert_not_reached ();
5772 mono_mb_emit_byte (mb, CEE_RET);
5775 res = mono_mb_create_and_cache (cache, klass,
5776 mb, sig, sig->param_count + 16);
5781 #endif /* DISABLE_REMOTING */
5784 * generates IL code for the icall wrapper (the generated method
5785 * calls the unmanaged code in func)
5786 * The wrapper info for the wrapper is a WrapperInfo structure.
5789 mono_marshal_get_icall_wrapper (MonoMethodSignature *sig, const char *name, gconstpointer func, gboolean check_exceptions)
5791 MonoMethodSignature *csig, *csig2;
5792 MonoMethodBuilder *mb;
5797 g_assert (sig->pinvoke);
5799 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_MANAGED_TO_NATIVE);
5801 mb->method->save_lmf = 1;
5803 /* Add an explicit this argument */
5805 csig2 = signature_dup_add_this (mono_defaults.corlib, sig, mono_defaults.object_class);
5807 csig2 = signature_dup (mono_defaults.corlib, sig);
5811 mono_mb_emit_byte (mb, CEE_LDARG_0);
5813 for (i = 0; i < sig->param_count; i++)
5814 mono_mb_emit_ldarg (mb, i + sig->hasthis);
5816 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5817 mono_mb_emit_op (mb, CEE_MONO_JIT_ICALL_ADDR, (gpointer)func);
5818 mono_mb_emit_calli (mb, csig2);
5819 if (check_exceptions)
5820 emit_thread_interrupt_checkpoint (mb);
5821 mono_mb_emit_byte (mb, CEE_RET);
5824 csig = signature_dup (mono_defaults.corlib, sig);
5826 if (csig->call_convention == MONO_CALL_VARARG)
5827 csig->call_convention = 0;
5829 res = mono_mb_create_method (mb, csig, csig->param_count + 16);
5832 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_ICALL_WRAPPER);
5833 info->d.icall.func = (gpointer)func;
5834 mono_marshal_set_wrapper_info (res, info);
5840 emit_marshal_custom (EmitMarshalContext *m, int argnum, MonoType *t,
5841 MonoMarshalSpec *spec,
5842 int conv_arg, MonoType **conv_arg_type,
5843 MarshalAction action)
5846 if (action == MARSHAL_ACTION_CONV_IN && t->type == MONO_TYPE_VALUETYPE)
5847 *conv_arg_type = &mono_defaults.int_class->byval_arg;
5852 static MonoClass *ICustomMarshaler = NULL;
5853 static MonoMethod *cleanup_native, *cleanup_managed;
5854 static MonoMethod *marshal_managed_to_native, *marshal_native_to_managed;
5855 MonoMethod *get_instance = NULL;
5856 MonoMethodBuilder *mb = m->mb;
5857 char *exception_msg = NULL;
5861 if (!ICustomMarshaler) {
5862 ICustomMarshaler = mono_class_from_name (mono_defaults.corlib, "System.Runtime.InteropServices", "ICustomMarshaler");
5863 if (!ICustomMarshaler) {
5864 exception_msg = g_strdup ("Current profile doesn't support ICustomMarshaler");
5865 goto handle_exception;
5868 cleanup_native = mono_class_get_method_from_name (ICustomMarshaler, "CleanUpNativeData", 1);
5869 g_assert (cleanup_native);
5870 cleanup_managed = mono_class_get_method_from_name (ICustomMarshaler, "CleanUpManagedData", 1);
5871 g_assert (cleanup_managed);
5872 marshal_managed_to_native = mono_class_get_method_from_name (ICustomMarshaler, "MarshalManagedToNative", 1);
5873 g_assert (marshal_managed_to_native);
5874 marshal_native_to_managed = mono_class_get_method_from_name (ICustomMarshaler, "MarshalNativeToManaged", 1);
5875 g_assert (marshal_native_to_managed);
5878 mtype = mono_reflection_type_from_name (spec->data.custom_data.custom_name, m->image);
5879 g_assert (mtype != NULL);
5880 mklass = mono_class_from_mono_type (mtype);
5881 g_assert (mklass != NULL);
5883 if (!mono_class_is_assignable_from (ICustomMarshaler, mklass))
5884 exception_msg = g_strdup_printf ("Custom marshaler '%s' does not implement the ICustomMarshaler interface.", mklass->name);
5886 get_instance = mono_class_get_method_from_name_flags (mklass, "GetInstance", 1, METHOD_ATTRIBUTE_STATIC);
5888 MonoMethodSignature *get_sig = mono_method_signature (get_instance);
5889 if ((get_sig->ret->type != MONO_TYPE_CLASS) ||
5890 (mono_class_from_mono_type (get_sig->ret) != ICustomMarshaler) ||
5891 (get_sig->params [0]->type != MONO_TYPE_STRING))
5892 get_instance = NULL;
5896 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);
5899 /* Throw exception and emit compensation code if neccesary */
5900 if (exception_msg) {
5902 case MARSHAL_ACTION_CONV_IN:
5903 case MARSHAL_ACTION_CONV_RESULT:
5904 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
5905 if ((action == MARSHAL_ACTION_CONV_RESULT) || (action == MARSHAL_ACTION_MANAGED_CONV_RESULT))
5906 mono_mb_emit_byte (mb, CEE_POP);
5908 mono_mb_emit_exception_full (mb, "System", "ApplicationException", exception_msg);
5909 g_free (exception_msg);
5912 case MARSHAL_ACTION_PUSH:
5913 mono_mb_emit_byte (mb, CEE_LDNULL);
5921 /* FIXME: MS.NET seems to create one instance for each klass + cookie pair */
5922 /* FIXME: MS.NET throws an exception if GetInstance returns null */
5925 case MARSHAL_ACTION_CONV_IN:
5927 case MONO_TYPE_CLASS:
5928 case MONO_TYPE_OBJECT:
5929 case MONO_TYPE_STRING:
5930 case MONO_TYPE_ARRAY:
5931 case MONO_TYPE_SZARRAY:
5932 case MONO_TYPE_VALUETYPE:
5936 g_warning ("custom marshalling of type %x is currently not supported", t->type);
5937 g_assert_not_reached ();
5941 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5943 mono_mb_emit_byte (mb, CEE_LDNULL);
5944 mono_mb_emit_stloc (mb, conv_arg);
5946 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT))
5949 /* Minic MS.NET behavior */
5950 if (!t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT) && !(t->attrs & PARAM_ATTRIBUTE_IN))
5953 /* Check for null */
5954 mono_mb_emit_ldarg (mb, argnum);
5956 mono_mb_emit_byte (mb, CEE_LDIND_I);
5957 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5959 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5961 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5963 mono_mb_emit_ldarg (mb, argnum);
5965 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5967 if (t->type == MONO_TYPE_VALUETYPE) {
5969 * Since we can't determine the type of the argument, we
5970 * will assume the unmanaged function takes a pointer.
5972 *conv_arg_type = &mono_defaults.int_class->byval_arg;
5974 mono_mb_emit_op (mb, CEE_BOX, mono_class_from_mono_type (t));
5977 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_managed_to_native);
5978 mono_mb_emit_stloc (mb, conv_arg);
5980 mono_mb_patch_branch (mb, pos2);
5983 case MARSHAL_ACTION_CONV_OUT:
5984 /* Check for null */
5985 mono_mb_emit_ldloc (mb, conv_arg);
5986 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5989 mono_mb_emit_ldarg (mb, argnum);
5991 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5993 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5995 mono_mb_emit_ldloc (mb, conv_arg);
5996 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
5997 mono_mb_emit_byte (mb, CEE_STIND_REF);
5998 } else if (t->attrs & PARAM_ATTRIBUTE_OUT) {
5999 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
6001 mono_mb_emit_op (mb, CEE_CALL, get_instance);
6003 mono_mb_emit_ldloc (mb, conv_arg);
6004 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
6006 /* We have nowhere to store the result */
6007 mono_mb_emit_byte (mb, CEE_POP);
6010 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
6012 mono_mb_emit_op (mb, CEE_CALL, get_instance);
6014 mono_mb_emit_ldloc (mb, conv_arg);
6016 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_native);
6018 mono_mb_patch_branch (mb, pos2);
6021 case MARSHAL_ACTION_PUSH:
6023 mono_mb_emit_ldloc_addr (mb, conv_arg);
6025 mono_mb_emit_ldloc (mb, conv_arg);
6028 case MARSHAL_ACTION_CONV_RESULT:
6029 loc1 = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6031 mono_mb_emit_stloc (mb, 3);
6033 mono_mb_emit_ldloc (mb, 3);
6034 mono_mb_emit_stloc (mb, loc1);
6036 /* Check for null */
6037 mono_mb_emit_ldloc (mb, 3);
6038 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6040 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
6042 mono_mb_emit_op (mb, CEE_CALL, get_instance);
6043 mono_mb_emit_byte (mb, CEE_DUP);
6045 mono_mb_emit_ldloc (mb, 3);
6046 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
6047 mono_mb_emit_stloc (mb, 3);
6049 mono_mb_emit_ldloc (mb, loc1);
6050 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_native);
6052 mono_mb_patch_branch (mb, pos2);
6055 case MARSHAL_ACTION_MANAGED_CONV_IN:
6056 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
6058 mono_mb_emit_byte (mb, CEE_LDNULL);
6059 mono_mb_emit_stloc (mb, conv_arg);
6061 if (t->byref && t->attrs & PARAM_ATTRIBUTE_OUT)
6064 /* Check for null */
6065 mono_mb_emit_ldarg (mb, argnum);
6067 mono_mb_emit_byte (mb, CEE_LDIND_I);
6068 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6070 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
6071 mono_mb_emit_op (mb, CEE_CALL, get_instance);
6073 mono_mb_emit_ldarg (mb, argnum);
6075 mono_mb_emit_byte (mb, CEE_LDIND_I);
6077 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
6078 mono_mb_emit_stloc (mb, conv_arg);
6080 mono_mb_patch_branch (mb, pos2);
6083 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
6084 g_assert (!t->byref);
6086 loc1 = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
6088 mono_mb_emit_stloc (mb, 3);
6090 mono_mb_emit_ldloc (mb, 3);
6091 mono_mb_emit_stloc (mb, loc1);
6093 /* Check for null */
6094 mono_mb_emit_ldloc (mb, 3);
6095 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6097 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
6098 mono_mb_emit_op (mb, CEE_CALL, get_instance);
6099 mono_mb_emit_byte (mb, CEE_DUP);
6101 mono_mb_emit_ldloc (mb, 3);
6102 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_managed_to_native);
6103 mono_mb_emit_stloc (mb, 3);
6105 mono_mb_emit_ldloc (mb, loc1);
6106 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_managed);
6108 mono_mb_patch_branch (mb, pos2);
6111 case MARSHAL_ACTION_MANAGED_CONV_OUT:
6113 /* Check for null */
6114 mono_mb_emit_ldloc (mb, conv_arg);
6115 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6118 mono_mb_emit_ldarg (mb, argnum);
6120 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
6122 mono_mb_emit_op (mb, CEE_CALL, get_instance);
6124 mono_mb_emit_ldloc (mb, conv_arg);
6125 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_managed_to_native);
6126 mono_mb_emit_byte (mb, CEE_STIND_I);
6129 /* Call CleanUpManagedData */
6130 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
6132 mono_mb_emit_op (mb, CEE_CALL, get_instance);
6134 mono_mb_emit_ldloc (mb, conv_arg);
6135 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_managed);
6137 mono_mb_patch_branch (mb, pos2);
6141 g_assert_not_reached ();
6149 emit_marshal_asany (EmitMarshalContext *m, int argnum, MonoType *t,
6150 MonoMarshalSpec *spec,
6151 int conv_arg, MonoType **conv_arg_type,
6152 MarshalAction action)
6155 MonoMethodBuilder *mb = m->mb;
6158 case MARSHAL_ACTION_CONV_IN: {
6159 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, NULL);
6161 g_assert (t->type == MONO_TYPE_OBJECT);
6162 g_assert (!t->byref);
6164 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6165 mono_mb_emit_ldarg (mb, argnum);
6166 mono_mb_emit_icon (mb, encoding);
6167 mono_mb_emit_icon (mb, t->attrs);
6168 mono_mb_emit_icall (mb, mono_marshal_asany);
6169 mono_mb_emit_stloc (mb, conv_arg);
6173 case MARSHAL_ACTION_PUSH:
6174 mono_mb_emit_ldloc (mb, conv_arg);
6177 case MARSHAL_ACTION_CONV_OUT: {
6178 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, NULL);
6180 mono_mb_emit_ldarg (mb, argnum);
6181 mono_mb_emit_ldloc (mb, conv_arg);
6182 mono_mb_emit_icon (mb, encoding);
6183 mono_mb_emit_icon (mb, t->attrs);
6184 mono_mb_emit_icall (mb, mono_marshal_free_asany);
6189 g_assert_not_reached ();
6196 emit_marshal_vtype (EmitMarshalContext *m, int argnum, MonoType *t,
6197 MonoMarshalSpec *spec,
6198 int conv_arg, MonoType **conv_arg_type,
6199 MarshalAction action)
6202 MonoMethodBuilder *mb = m->mb;
6203 MonoClass *klass, *date_time_class;
6206 klass = mono_class_from_mono_type (t);
6208 date_time_class = mono_class_from_name_cached (mono_defaults.corlib, "System", "DateTime");
6211 case MARSHAL_ACTION_CONV_IN:
6212 if (klass == date_time_class) {
6213 /* Convert it to an OLE DATE type */
6214 static MonoMethod *to_oadate;
6217 to_oadate = mono_class_get_method_from_name (date_time_class, "ToOADate", 0);
6218 g_assert (to_oadate);
6220 conv_arg = mono_mb_add_local (mb, &mono_defaults.double_class->byval_arg);
6223 mono_mb_emit_ldarg (mb, argnum);
6224 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6227 if (!(t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && (t->attrs & PARAM_ATTRIBUTE_OUT))) {
6229 m->csig->params [argnum - m->csig->hasthis] = &mono_defaults.double_class->byval_arg;
6231 mono_mb_emit_ldarg_addr (mb, argnum);
6232 mono_mb_emit_managed_call (mb, to_oadate, NULL);
6233 mono_mb_emit_stloc (mb, conv_arg);
6237 mono_mb_patch_branch (mb, pos);
6241 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6242 klass->blittable || klass->enumtype)
6245 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6247 /* store the address of the source into local variable 0 */
6249 mono_mb_emit_ldarg (mb, argnum);
6251 mono_mb_emit_ldarg_addr (mb, argnum);
6253 mono_mb_emit_stloc (mb, 0);
6255 /* allocate space for the native struct and
6256 * store the address into local variable 1 (dest) */
6257 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
6258 mono_mb_emit_byte (mb, CEE_PREFIX1);
6259 mono_mb_emit_byte (mb, CEE_LOCALLOC);
6260 mono_mb_emit_stloc (mb, conv_arg);
6263 mono_mb_emit_ldloc (mb, 0);
6264 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6267 if (!(t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && (t->attrs & PARAM_ATTRIBUTE_OUT))) {
6269 mono_mb_emit_ldloc (mb, conv_arg);
6270 mono_mb_emit_stloc (mb, 1);
6272 /* emit valuetype conversion code */
6273 emit_struct_conv (mb, klass, FALSE);
6277 mono_mb_patch_branch (mb, pos);
6280 case MARSHAL_ACTION_PUSH:
6281 if (spec && spec->native == MONO_NATIVE_LPSTRUCT) {
6283 g_assert (!t->byref);
6285 /* Have to change the signature since the vtype is passed byref */
6286 m->csig->params [argnum - m->csig->hasthis] = &mono_defaults.int_class->byval_arg;
6288 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6289 klass->blittable || klass->enumtype)
6290 mono_mb_emit_ldarg_addr (mb, argnum);
6292 mono_mb_emit_ldloc (mb, conv_arg);
6296 if (klass == date_time_class) {
6298 mono_mb_emit_ldloc_addr (mb, conv_arg);
6300 mono_mb_emit_ldloc (mb, conv_arg);
6304 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6305 klass->blittable || klass->enumtype) {
6306 mono_mb_emit_ldarg (mb, argnum);
6309 mono_mb_emit_ldloc (mb, conv_arg);
6311 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6312 mono_mb_emit_op (mb, CEE_MONO_LDNATIVEOBJ, klass);
6316 case MARSHAL_ACTION_CONV_OUT:
6317 if (klass == date_time_class) {
6318 /* Convert from an OLE DATE type */
6319 static MonoMethod *from_oadate;
6324 if (!((t->attrs & PARAM_ATTRIBUTE_IN) && !(t->attrs & PARAM_ATTRIBUTE_OUT))) {
6326 from_oadate = mono_class_get_method_from_name (date_time_class, "FromOADate", 1);
6327 g_assert (from_oadate);
6329 mono_mb_emit_ldarg (mb, argnum);
6330 mono_mb_emit_ldloc (mb, conv_arg);
6331 mono_mb_emit_managed_call (mb, from_oadate, NULL);
6332 mono_mb_emit_op (mb, CEE_STOBJ, date_time_class);
6337 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6338 klass->blittable || klass->enumtype)
6342 /* dst = argument */
6343 mono_mb_emit_ldarg (mb, argnum);
6344 mono_mb_emit_stloc (mb, 1);
6346 mono_mb_emit_ldloc (mb, 1);
6347 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6349 if (!((t->attrs & PARAM_ATTRIBUTE_IN) && !(t->attrs & PARAM_ATTRIBUTE_OUT))) {
6350 /* src = tmp_locals [i] */
6351 mono_mb_emit_ldloc (mb, conv_arg);
6352 mono_mb_emit_stloc (mb, 0);
6354 /* emit valuetype conversion code */
6355 emit_struct_conv (mb, klass, TRUE);
6359 emit_struct_free (mb, klass, conv_arg);
6362 mono_mb_patch_branch (mb, pos);
6365 case MARSHAL_ACTION_CONV_RESULT:
6366 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6368 mono_mb_emit_stloc (mb, 3);
6372 /* load pointer to returned value type */
6373 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6374 mono_mb_emit_byte (mb, CEE_MONO_VTADDR);
6375 /* store the address of the source into local variable 0 */
6376 mono_mb_emit_stloc (mb, 0);
6378 mono_mb_emit_ldloc_addr (mb, 3);
6379 mono_mb_emit_stloc (mb, 1);
6381 /* emit valuetype conversion code */
6382 emit_struct_conv (mb, klass, TRUE);
6385 case MARSHAL_ACTION_MANAGED_CONV_IN:
6386 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6387 klass->blittable || klass->enumtype) {
6392 conv_arg = mono_mb_add_local (mb, &klass->byval_arg);
6394 if (t->attrs & PARAM_ATTRIBUTE_OUT)
6398 mono_mb_emit_ldarg (mb, argnum);
6400 mono_mb_emit_ldarg_addr (mb, argnum);
6401 mono_mb_emit_stloc (mb, 0);
6404 mono_mb_emit_ldloc (mb, 0);
6405 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6408 mono_mb_emit_ldloc_addr (mb, conv_arg);
6409 mono_mb_emit_stloc (mb, 1);
6411 /* emit valuetype conversion code */
6412 emit_struct_conv (mb, klass, TRUE);
6415 mono_mb_patch_branch (mb, pos);
6418 case MARSHAL_ACTION_MANAGED_CONV_OUT:
6419 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6420 klass->blittable || klass->enumtype) {
6424 /* Check for null */
6425 mono_mb_emit_ldarg (mb, argnum);
6426 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6429 mono_mb_emit_ldloc_addr (mb, conv_arg);
6430 mono_mb_emit_stloc (mb, 0);
6433 mono_mb_emit_ldarg (mb, argnum);
6434 mono_mb_emit_stloc (mb, 1);
6436 /* emit valuetype conversion code */
6437 emit_struct_conv (mb, klass, FALSE);
6439 mono_mb_patch_branch (mb, pos2);
6442 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
6443 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6444 klass->blittable || klass->enumtype) {
6445 mono_mb_emit_stloc (mb, 3);
6450 /* load pointer to returned value type */
6451 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6452 mono_mb_emit_byte (mb, CEE_MONO_VTADDR);
6454 /* store the address of the source into local variable 0 */
6455 mono_mb_emit_stloc (mb, 0);
6456 /* allocate space for the native struct and
6457 * store the address into dst_ptr */
6458 m->retobj_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6459 m->retobj_class = klass;
6460 g_assert (m->retobj_var);
6461 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
6462 mono_mb_emit_byte (mb, CEE_CONV_I);
6463 mono_mb_emit_icall (mb, mono_marshal_alloc);
6464 mono_mb_emit_stloc (mb, 1);
6465 mono_mb_emit_ldloc (mb, 1);
6466 mono_mb_emit_stloc (mb, m->retobj_var);
6468 /* emit valuetype conversion code */
6469 emit_struct_conv (mb, klass, FALSE);
6473 g_assert_not_reached ();
6480 emit_marshal_string (EmitMarshalContext *m, int argnum, MonoType *t,
6481 MonoMarshalSpec *spec,
6482 int conv_arg, MonoType **conv_arg_type,
6483 MarshalAction action)
6487 case MARSHAL_ACTION_CONV_IN:
6488 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6490 case MARSHAL_ACTION_MANAGED_CONV_IN:
6491 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6495 MonoMethodBuilder *mb = m->mb;
6496 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
6497 MonoMarshalConv conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
6501 case MARSHAL_ACTION_CONV_IN:
6502 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6503 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6506 if (t->attrs & PARAM_ATTRIBUTE_OUT)
6509 mono_mb_emit_ldarg (mb, argnum);
6510 mono_mb_emit_byte (mb, CEE_LDIND_I);
6512 mono_mb_emit_ldarg (mb, argnum);
6516 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
6517 mono_mb_emit_exception_marshal_directive (mb, msg);
6519 mono_mb_emit_icall (mb, conv_to_icall (conv));
6521 mono_mb_emit_stloc (mb, conv_arg);
6525 case MARSHAL_ACTION_CONV_OUT:
6526 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
6528 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
6529 mono_mb_emit_exception_marshal_directive (mb, msg);
6533 if (encoding == MONO_NATIVE_VBBYREFSTR) {
6534 static MonoMethod *m;
6537 m = mono_class_get_method_from_name_flags (mono_defaults.string_class, "get_Length", -1, 0);
6542 char *msg = g_strdup_printf ("VBByRefStr marshalling requires a ref parameter.", encoding);
6543 mono_mb_emit_exception_marshal_directive (mb, msg);
6548 * Have to allocate a new string with the same length as the original, and
6549 * copy the contents of the buffer pointed to by CONV_ARG into it.
6551 g_assert (t->byref);
6552 mono_mb_emit_ldarg (mb, argnum);
6553 mono_mb_emit_ldloc (mb, conv_arg);
6554 mono_mb_emit_ldarg (mb, argnum);
6555 mono_mb_emit_byte (mb, CEE_LDIND_I);
6556 mono_mb_emit_managed_call (mb, m, NULL);
6557 mono_mb_emit_icall (mb, mono_string_new_len_wrapper);
6558 mono_mb_emit_byte (mb, CEE_STIND_REF);
6559 } else if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT || !(t->attrs & PARAM_ATTRIBUTE_IN))) {
6560 mono_mb_emit_ldarg (mb, argnum);
6561 mono_mb_emit_ldloc (mb, conv_arg);
6562 mono_mb_emit_icall (mb, conv_to_icall (conv));
6563 mono_mb_emit_byte (mb, CEE_STIND_REF);
6568 mono_mb_emit_ldloc (mb, conv_arg);
6569 if (conv == MONO_MARSHAL_CONV_BSTR_STR)
6570 mono_mb_emit_icall (mb, mono_free_bstr);
6572 mono_mb_emit_icall (mb, mono_marshal_free);
6576 case MARSHAL_ACTION_PUSH:
6577 if (t->byref && encoding != MONO_NATIVE_VBBYREFSTR)
6578 mono_mb_emit_ldloc_addr (mb, conv_arg);
6580 mono_mb_emit_ldloc (mb, conv_arg);
6583 case MARSHAL_ACTION_CONV_RESULT:
6584 mono_mb_emit_stloc (mb, 0);
6586 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
6588 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
6589 mono_mb_emit_exception_marshal_directive (mb, msg);
6593 mono_mb_emit_ldloc (mb, 0);
6594 mono_mb_emit_icall (mb, conv_to_icall (conv));
6595 mono_mb_emit_stloc (mb, 3);
6597 /* free the string */
6598 mono_mb_emit_ldloc (mb, 0);
6599 if (conv == MONO_MARSHAL_CONV_BSTR_STR)
6600 mono_mb_emit_icall (mb, mono_free_bstr);
6602 mono_mb_emit_icall (mb, mono_marshal_free);
6605 case MARSHAL_ACTION_MANAGED_CONV_IN:
6606 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
6608 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6611 if (t->attrs & PARAM_ATTRIBUTE_OUT)
6615 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
6617 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
6618 mono_mb_emit_exception_marshal_directive (mb, msg);
6622 mono_mb_emit_ldarg (mb, argnum);
6624 mono_mb_emit_byte (mb, CEE_LDIND_I);
6625 mono_mb_emit_icall (mb, conv_to_icall (conv));
6626 mono_mb_emit_stloc (mb, conv_arg);
6629 case MARSHAL_ACTION_MANAGED_CONV_OUT:
6632 mono_mb_emit_ldarg (mb, argnum);
6633 mono_mb_emit_ldloc (mb, conv_arg);
6634 mono_mb_emit_icall (mb, conv_to_icall (conv));
6635 mono_mb_emit_byte (mb, CEE_STIND_I);
6640 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
6641 if (conv_to_icall (conv) == mono_marshal_string_to_utf16)
6642 /* We need to make a copy so the caller is able to free it */
6643 mono_mb_emit_icall (mb, mono_marshal_string_to_utf16_copy);
6645 mono_mb_emit_icall (mb, conv_to_icall (conv));
6646 mono_mb_emit_stloc (mb, 3);
6650 g_assert_not_reached ();
6658 emit_marshal_safehandle (EmitMarshalContext *m, int argnum, MonoType *t,
6659 MonoMarshalSpec *spec, int conv_arg,
6660 MonoType **conv_arg_type, MarshalAction action)
6663 if (action == MARSHAL_ACTION_CONV_IN)
6664 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6666 MonoMethodBuilder *mb = m->mb;
6669 case MARSHAL_ACTION_CONV_IN: {
6670 MonoType *intptr_type;
6671 int dar_release_slot, pos;
6673 intptr_type = &mono_defaults.int_class->byval_arg;
6674 conv_arg = mono_mb_add_local (mb, intptr_type);
6675 *conv_arg_type = intptr_type;
6677 if (!sh_dangerous_add_ref)
6678 init_safe_handle ();
6680 mono_mb_emit_ldarg (mb, argnum);
6681 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
6682 mono_mb_emit_exception (mb, "ArgumentNullException", NULL);
6684 mono_mb_patch_branch (mb, pos);
6687 * My tests in show that ref SafeHandles are not really
6688 * passed as ref objects. Instead a NULL is passed as the
6691 mono_mb_emit_icon (mb, 0);
6692 mono_mb_emit_stloc (mb, conv_arg);
6696 /* Create local to hold the ref parameter to DangerousAddRef */
6697 dar_release_slot = mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
6699 /* set release = false; */
6700 mono_mb_emit_icon (mb, 0);
6701 mono_mb_emit_stloc (mb, dar_release_slot);
6703 /* safehandle.DangerousAddRef (ref release) */
6704 mono_mb_emit_ldarg (mb, argnum);
6705 mono_mb_emit_ldloc_addr (mb, dar_release_slot);
6706 mono_mb_emit_managed_call (mb, sh_dangerous_add_ref, NULL);
6708 /* Pull the handle field from SafeHandle */
6709 mono_mb_emit_ldarg (mb, argnum);
6710 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoSafeHandle, handle));
6711 mono_mb_emit_byte (mb, CEE_LDIND_I);
6712 mono_mb_emit_stloc (mb, conv_arg);
6717 case MARSHAL_ACTION_PUSH:
6719 mono_mb_emit_ldloc_addr (mb, conv_arg);
6721 mono_mb_emit_ldloc (mb, conv_arg);
6724 case MARSHAL_ACTION_CONV_OUT: {
6725 /* The slot for the boolean is the next temporary created after conv_arg, see the CONV_IN code */
6726 int dar_release_slot = conv_arg + 1;
6729 if (!sh_dangerous_release)
6730 init_safe_handle ();
6736 * My tests indicate that ref SafeHandles parameters are not actually
6737 * passed by ref, but instead a new Handle is created regardless of
6738 * whether a change happens in the unmanaged side.
6740 * Also, the Handle is created before calling into unmanaged code,
6741 * but we do not support that mechanism (getting to the original
6742 * handle) and it makes no difference where we create this
6744 ctor = mono_class_get_method_from_name (t->data.klass, ".ctor", 0);
6746 mono_mb_emit_exception (mb, "MissingMethodException", "paramterless constructor required");
6749 /* refval = new SafeHandleDerived ()*/
6750 mono_mb_emit_ldarg (mb, argnum);
6751 mono_mb_emit_op (mb, CEE_NEWOBJ, ctor);
6752 mono_mb_emit_byte (mb, CEE_STIND_REF);
6754 /* refval.handle = returned_handle */
6755 mono_mb_emit_ldarg (mb, argnum);
6756 mono_mb_emit_byte (mb, CEE_LDIND_REF);
6757 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoSafeHandle, handle));
6758 mono_mb_emit_ldloc (mb, conv_arg);
6759 mono_mb_emit_byte (mb, CEE_STIND_I);
6761 mono_mb_emit_ldloc (mb, dar_release_slot);
6762 label_next = mono_mb_emit_branch (mb, CEE_BRFALSE);
6763 mono_mb_emit_ldarg (mb, argnum);
6764 mono_mb_emit_managed_call (mb, sh_dangerous_release, NULL);
6765 mono_mb_patch_branch (mb, label_next);
6770 case MARSHAL_ACTION_CONV_RESULT: {
6771 MonoMethod *ctor = NULL;
6772 int intptr_handle_slot;
6774 if (t->data.klass->flags & TYPE_ATTRIBUTE_ABSTRACT){
6775 mono_mb_emit_byte (mb, CEE_POP);
6776 mono_mb_emit_exception_marshal_directive (mb, g_strdup ("Returned SafeHandles should not be abstract"));
6780 ctor = mono_class_get_method_from_name (t->data.klass, ".ctor", 0);
6782 mono_mb_emit_byte (mb, CEE_POP);
6783 mono_mb_emit_exception (mb, "MissingMethodException", "paramterless constructor required");
6786 /* Store the IntPtr results into a local */
6787 intptr_handle_slot = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6788 mono_mb_emit_stloc (mb, intptr_handle_slot);
6790 /* Create return value */
6791 mono_mb_emit_op (mb, CEE_NEWOBJ, ctor);
6792 mono_mb_emit_stloc (mb, 3);
6794 /* Set the return.handle to the value, am using ldflda, not sure if thats a good idea */
6795 mono_mb_emit_ldloc (mb, 3);
6796 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoSafeHandle, handle));
6797 mono_mb_emit_ldloc (mb, intptr_handle_slot);
6798 mono_mb_emit_byte (mb, CEE_STIND_I);
6802 case MARSHAL_ACTION_MANAGED_CONV_IN:
6803 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_IN\n");
6806 case MARSHAL_ACTION_MANAGED_CONV_OUT:
6807 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_OUT\n");
6810 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
6811 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_RESULT\n");
6814 printf ("Unhandled case for MarshalAction: %d\n", action);
6822 emit_marshal_handleref (EmitMarshalContext *m, int argnum, MonoType *t,
6823 MonoMarshalSpec *spec, int conv_arg,
6824 MonoType **conv_arg_type, MarshalAction action)
6827 if (action == MARSHAL_ACTION_CONV_IN)
6828 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6830 MonoMethodBuilder *mb = m->mb;
6833 case MARSHAL_ACTION_CONV_IN: {
6834 MonoType *intptr_type;
6836 intptr_type = &mono_defaults.int_class->byval_arg;
6837 conv_arg = mono_mb_add_local (mb, intptr_type);
6838 *conv_arg_type = intptr_type;
6841 char *msg = g_strdup ("HandleRefs can not be returned from unmanaged code (or passed by ref)");
6842 mono_mb_emit_exception_marshal_directive (mb, msg);
6845 mono_mb_emit_ldarg_addr (mb, argnum);
6846 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoHandleRef, handle));
6847 mono_mb_emit_byte (mb, CEE_ADD);
6848 mono_mb_emit_byte (mb, CEE_LDIND_I);
6849 mono_mb_emit_stloc (mb, conv_arg);
6853 case MARSHAL_ACTION_PUSH:
6854 mono_mb_emit_ldloc (mb, conv_arg);
6857 case MARSHAL_ACTION_CONV_OUT: {
6858 /* no resource release required */
6862 case MARSHAL_ACTION_CONV_RESULT: {
6863 char *msg = g_strdup ("HandleRefs can not be returned from unmanaged code (or passed by ref)");
6864 mono_mb_emit_exception_marshal_directive (mb, msg);
6868 case MARSHAL_ACTION_MANAGED_CONV_IN:
6869 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_IN\n");
6872 case MARSHAL_ACTION_MANAGED_CONV_OUT:
6873 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_OUT\n");
6876 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
6877 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_RESULT\n");
6880 fprintf (stderr, "Unhandled case for MarshalAction: %d\n", action);
6888 emit_marshal_object (EmitMarshalContext *m, int argnum, MonoType *t,
6889 MonoMarshalSpec *spec,
6890 int conv_arg, MonoType **conv_arg_type,
6891 MarshalAction action)
6894 if (action == MARSHAL_ACTION_CONV_IN)
6895 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6897 MonoMethodBuilder *mb = m->mb;
6898 MonoClass *klass = mono_class_from_mono_type (t);
6902 case MARSHAL_ACTION_CONV_IN:
6903 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6904 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6906 m->orig_conv_args [argnum] = 0;
6908 if (mono_class_from_mono_type (t) == mono_defaults.object_class) {
6909 char *msg = g_strdup_printf ("Marshalling of type object is not implemented");
6910 mono_mb_emit_exception_marshal_directive (mb, msg);
6914 if (klass->delegate) {
6916 if (!(t->attrs & PARAM_ATTRIBUTE_OUT)) {
6917 char *msg = g_strdup_printf ("Byref marshalling of delegates is not implemented.");
6918 mono_mb_emit_exception_marshal_directive (mb, msg);
6920 mono_mb_emit_byte (mb, CEE_LDNULL);
6921 mono_mb_emit_stloc (mb, conv_arg);
6923 mono_mb_emit_ldarg (mb, argnum);
6924 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_DEL_FTN));
6925 mono_mb_emit_stloc (mb, conv_arg);
6927 } else if (klass == mono_defaults.stringbuilder_class) {
6928 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
6929 MonoMarshalConv conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
6933 if (!(t->attrs & PARAM_ATTRIBUTE_OUT)) {
6934 char *msg = g_strdup_printf ("Byref marshalling of stringbuilders is not implemented.");
6935 mono_mb_emit_exception_marshal_directive (mb, msg);
6941 if (t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && (t->attrs & PARAM_ATTRIBUTE_OUT))
6945 char *msg = g_strdup_printf ("stringbuilder marshalling conversion %d not implemented", encoding);
6946 mono_mb_emit_exception_marshal_directive (mb, msg);
6950 mono_mb_emit_ldarg (mb, argnum);
6952 mono_mb_emit_byte (mb, CEE_LDIND_I);
6954 mono_mb_emit_icall (mb, conv_to_icall (conv));
6955 mono_mb_emit_stloc (mb, conv_arg);
6956 } else if (klass->blittable) {
6957 mono_mb_emit_byte (mb, CEE_LDNULL);
6958 mono_mb_emit_stloc (mb, conv_arg);
6960 mono_mb_emit_ldarg (mb, argnum);
6961 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6963 mono_mb_emit_ldarg (mb, argnum);
6964 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6965 mono_mb_emit_stloc (mb, conv_arg);
6967 mono_mb_patch_branch (mb, pos);
6970 mono_mb_emit_byte (mb, CEE_LDNULL);
6971 mono_mb_emit_stloc (mb, conv_arg);
6974 /* we dont need any conversions for out parameters */
6975 if (t->attrs & PARAM_ATTRIBUTE_OUT)
6978 mono_mb_emit_ldarg (mb, argnum);
6979 mono_mb_emit_byte (mb, CEE_LDIND_I);
6982 mono_mb_emit_ldarg (mb, argnum);
6983 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6984 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
6987 /* store the address of the source into local variable 0 */
6988 mono_mb_emit_stloc (mb, 0);
6989 mono_mb_emit_ldloc (mb, 0);
6990 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6992 /* allocate space for the native struct and store the address */
6993 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
6994 mono_mb_emit_byte (mb, CEE_PREFIX1);
6995 mono_mb_emit_byte (mb, CEE_LOCALLOC);
6996 mono_mb_emit_stloc (mb, conv_arg);
6999 /* Need to store the original buffer so we can free it later */
7000 m->orig_conv_args [argnum] = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7001 mono_mb_emit_ldloc (mb, conv_arg);
7002 mono_mb_emit_stloc (mb, m->orig_conv_args [argnum]);
7005 /* set the src_ptr */
7006 mono_mb_emit_ldloc (mb, 0);
7007 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
7008 mono_mb_emit_stloc (mb, 0);
7011 mono_mb_emit_ldloc (mb, conv_arg);
7012 mono_mb_emit_stloc (mb, 1);
7014 /* emit valuetype conversion code */
7015 emit_struct_conv (mb, klass, FALSE);
7017 mono_mb_patch_branch (mb, pos);
7021 case MARSHAL_ACTION_CONV_OUT:
7022 if (klass == mono_defaults.stringbuilder_class) {
7024 MonoMarshalNative encoding;
7025 MonoMarshalConv conv;
7027 encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
7028 conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free);
7030 g_assert (encoding != -1);
7033 //g_assert (!(t->attrs & PARAM_ATTRIBUTE_OUT));
7037 mono_mb_emit_ldarg (mb, argnum);
7038 mono_mb_emit_ldloc (mb, conv_arg);
7041 case MONO_NATIVE_LPWSTR:
7042 mono_mb_emit_icall (mb, mono_string_utf16_to_builder2);
7044 case MONO_NATIVE_LPSTR:
7045 mono_mb_emit_icall (mb, mono_string_utf8_to_builder2);
7048 g_assert_not_reached ();
7051 mono_mb_emit_byte (mb, CEE_STIND_REF);
7053 mono_mb_emit_ldarg (mb, argnum);
7054 mono_mb_emit_ldloc (mb, conv_arg);
7056 mono_mb_emit_icall (mb, conv_to_icall (conv));
7060 mono_mb_emit_ldloc (mb, conv_arg);
7061 mono_mb_emit_icall (mb, mono_marshal_free);
7066 if (klass->delegate) {
7068 mono_mb_emit_ldarg (mb, argnum);
7069 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
7070 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
7071 mono_mb_emit_ldloc (mb, conv_arg);
7072 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_FTN_DEL));
7073 mono_mb_emit_byte (mb, CEE_STIND_REF);
7078 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT)) {
7079 /* allocate a new object */
7080 mono_mb_emit_ldarg (mb, argnum);
7081 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
7082 mono_mb_emit_op (mb, CEE_MONO_NEWOBJ, klass);
7083 mono_mb_emit_byte (mb, CEE_STIND_REF);
7086 /* dst = *argument */
7087 mono_mb_emit_ldarg (mb, argnum);
7090 mono_mb_emit_byte (mb, CEE_LDIND_I);
7092 mono_mb_emit_stloc (mb, 1);
7094 mono_mb_emit_ldloc (mb, 1);
7095 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
7097 if (t->byref || (t->attrs & PARAM_ATTRIBUTE_OUT)) {
7098 mono_mb_emit_ldloc (mb, 1);
7099 mono_mb_emit_icon (mb, sizeof (MonoObject));
7100 mono_mb_emit_byte (mb, CEE_ADD);
7101 mono_mb_emit_stloc (mb, 1);
7103 /* src = tmp_locals [i] */
7104 mono_mb_emit_ldloc (mb, conv_arg);
7105 mono_mb_emit_stloc (mb, 0);
7107 /* emit valuetype conversion code */
7108 emit_struct_conv (mb, klass, TRUE);
7110 /* Free the structure returned by the native code */
7111 emit_struct_free (mb, klass, conv_arg);
7113 if (m->orig_conv_args [argnum]) {
7115 * If the native function changed the pointer, then free
7116 * the original structure plus the new pointer.
7118 mono_mb_emit_ldloc (mb, m->orig_conv_args [argnum]);
7119 mono_mb_emit_ldloc (mb, conv_arg);
7120 pos2 = mono_mb_emit_branch (mb, CEE_BEQ);
7122 if (!(t->attrs & PARAM_ATTRIBUTE_OUT)) {
7123 g_assert (m->orig_conv_args [argnum]);
7125 emit_struct_free (mb, klass, m->orig_conv_args [argnum]);
7128 mono_mb_emit_ldloc (mb, conv_arg);
7129 mono_mb_emit_icall (mb, mono_marshal_free);
7131 mono_mb_patch_branch (mb, pos2);
7135 /* Free the original structure passed to native code */
7136 emit_struct_free (mb, klass, conv_arg);
7138 mono_mb_patch_branch (mb, pos);
7141 case MARSHAL_ACTION_PUSH:
7143 mono_mb_emit_ldloc_addr (mb, conv_arg);
7145 mono_mb_emit_ldloc (mb, conv_arg);
7148 case MARSHAL_ACTION_CONV_RESULT:
7149 if (klass->delegate) {
7150 g_assert (!t->byref);
7151 mono_mb_emit_stloc (mb, 0);
7152 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
7153 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
7154 mono_mb_emit_ldloc (mb, 0);
7155 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_FTN_DEL));
7156 mono_mb_emit_stloc (mb, 3);
7159 mono_mb_emit_stloc (mb, 0);
7161 /* Make a copy since emit_conv modifies local 0 */
7162 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7163 mono_mb_emit_ldloc (mb, 0);
7164 mono_mb_emit_stloc (mb, loc);
7166 mono_mb_emit_byte (mb, CEE_LDNULL);
7167 mono_mb_emit_stloc (mb, 3);
7169 mono_mb_emit_ldloc (mb, 0);
7170 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
7172 /* allocate result object */
7174 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
7175 mono_mb_emit_op (mb, CEE_MONO_NEWOBJ, klass);
7176 mono_mb_emit_stloc (mb, 3);
7180 mono_mb_emit_ldloc (mb, 3);
7181 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
7182 mono_mb_emit_stloc (mb, 1);
7184 /* emit conversion code */
7185 emit_struct_conv (mb, klass, TRUE);
7187 emit_struct_free (mb, klass, loc);
7189 /* Free the pointer allocated by unmanaged code */
7190 mono_mb_emit_ldloc (mb, loc);
7191 mono_mb_emit_icall (mb, mono_marshal_free);
7192 mono_mb_patch_branch (mb, pos);
7196 case MARSHAL_ACTION_MANAGED_CONV_IN:
7197 conv_arg = mono_mb_add_local (mb, &klass->byval_arg);
7199 if (klass->delegate) {
7200 g_assert (!t->byref);
7201 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
7202 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
7203 mono_mb_emit_ldarg (mb, argnum);
7204 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_FTN_DEL));
7205 mono_mb_emit_stloc (mb, conv_arg);
7209 if (klass == mono_defaults.stringbuilder_class) {
7210 MonoMarshalNative encoding;
7212 encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
7215 g_assert (encoding == MONO_NATIVE_LPSTR);
7217 g_assert (!t->byref);
7218 g_assert (encoding != -1);
7220 mono_mb_emit_ldarg (mb, argnum);
7221 mono_mb_emit_icall (mb, mono_string_utf8_to_builder2);
7222 mono_mb_emit_stloc (mb, conv_arg);
7226 /* The class can not have an automatic layout */
7227 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
7228 mono_mb_emit_auto_layout_exception (mb, klass);
7232 if (t->attrs & PARAM_ATTRIBUTE_OUT) {
7233 mono_mb_emit_byte (mb, CEE_LDNULL);
7234 mono_mb_emit_stloc (mb, conv_arg);
7239 mono_mb_emit_ldarg (mb, argnum);
7243 /* Check for NULL and raise an exception */
7244 pos2 = mono_mb_emit_branch (mb, CEE_BRTRUE);
7246 mono_mb_emit_exception (mb, "ArgumentNullException", NULL);
7248 mono_mb_patch_branch (mb, pos2);
7249 mono_mb_emit_ldarg (mb, argnum);
7250 mono_mb_emit_byte (mb, CEE_LDIND_I);
7253 mono_mb_emit_stloc (mb, 0);
7255 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7256 mono_mb_emit_stloc (mb, conv_arg);
7258 mono_mb_emit_ldloc (mb, 0);
7259 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
7261 /* Create and set dst */
7262 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
7263 mono_mb_emit_op (mb, CEE_MONO_NEWOBJ, klass);
7264 mono_mb_emit_stloc (mb, conv_arg);
7265 mono_mb_emit_ldloc (mb, conv_arg);
7266 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
7267 mono_mb_emit_stloc (mb, 1);
7269 /* emit valuetype conversion code */
7270 emit_struct_conv (mb, klass, TRUE);
7272 mono_mb_patch_branch (mb, pos);
7275 case MARSHAL_ACTION_MANAGED_CONV_OUT:
7277 /* Check for null */
7278 mono_mb_emit_ldloc (mb, conv_arg);
7279 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
7280 mono_mb_emit_ldarg (mb, argnum);
7281 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7282 mono_mb_emit_byte (mb, CEE_STIND_REF);
7283 pos2 = mono_mb_emit_branch (mb, CEE_BR);
7285 mono_mb_patch_branch (mb, pos);
7288 mono_mb_emit_ldloc (mb, conv_arg);
7289 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
7290 mono_mb_emit_stloc (mb, 0);
7292 /* Allocate and set dest */
7293 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
7294 mono_mb_emit_byte (mb, CEE_CONV_I);
7295 mono_mb_emit_icall (mb, mono_marshal_alloc);
7296 mono_mb_emit_stloc (mb, 1);
7298 /* Update argument pointer */
7299 mono_mb_emit_ldarg (mb, argnum);
7300 mono_mb_emit_ldloc (mb, 1);
7301 mono_mb_emit_byte (mb, CEE_STIND_I);
7303 /* emit valuetype conversion code */
7304 emit_struct_conv (mb, klass, FALSE);
7306 mono_mb_patch_branch (mb, pos2);
7308 /* byval [Out] marshalling */
7310 /* FIXME: Handle null */
7313 mono_mb_emit_ldloc (mb, conv_arg);
7314 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
7315 mono_mb_emit_stloc (mb, 0);
7318 mono_mb_emit_ldarg (mb, argnum);
7319 mono_mb_emit_stloc (mb, 1);
7321 /* emit valuetype conversion code */
7322 emit_struct_conv (mb, klass, FALSE);
7326 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
7327 if (klass->delegate) {
7328 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_DEL_FTN));
7329 mono_mb_emit_stloc (mb, 3);
7333 /* The class can not have an automatic layout */
7334 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
7335 mono_mb_emit_auto_layout_exception (mb, klass);
7339 mono_mb_emit_stloc (mb, 0);
7340 /* Check for null */
7341 mono_mb_emit_ldloc (mb, 0);
7342 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
7343 mono_mb_emit_byte (mb, CEE_LDNULL);
7344 mono_mb_emit_stloc (mb, 3);
7345 pos2 = mono_mb_emit_branch (mb, CEE_BR);
7347 mono_mb_patch_branch (mb, pos);
7350 mono_mb_emit_ldloc (mb, 0);
7351 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
7352 mono_mb_emit_stloc (mb, 0);
7354 /* Allocate and set dest */
7355 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
7356 mono_mb_emit_byte (mb, CEE_CONV_I);
7357 mono_mb_emit_icall (mb, mono_marshal_alloc);
7358 mono_mb_emit_byte (mb, CEE_DUP);
7359 mono_mb_emit_stloc (mb, 1);
7360 mono_mb_emit_stloc (mb, 3);
7362 emit_struct_conv (mb, klass, FALSE);
7364 mono_mb_patch_branch (mb, pos2);
7368 g_assert_not_reached ();
7379 emit_marshal_variant (EmitMarshalContext *m, int argnum, MonoType *t,
7380 MonoMarshalSpec *spec,
7381 int conv_arg, MonoType **conv_arg_type,
7382 MarshalAction action)
7384 MonoMethodBuilder *mb = m->mb;
7385 static MonoMethod *get_object_for_native_variant = NULL;
7386 static MonoMethod *get_native_variant_for_object = NULL;
7388 if (!get_object_for_native_variant)
7389 get_object_for_native_variant = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetObjectForNativeVariant", 1);
7390 g_assert (get_object_for_native_variant);
7392 if (!get_native_variant_for_object)
7393 get_native_variant_for_object = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetNativeVariantForObject", 2);
7394 g_assert (get_native_variant_for_object);
7397 case MARSHAL_ACTION_CONV_IN: {
7398 conv_arg = mono_mb_add_local (mb, &mono_class_get_variant_class ()->byval_arg);
7401 *conv_arg_type = &mono_class_get_variant_class ()->this_arg;
7403 *conv_arg_type = &mono_class_get_variant_class ()->byval_arg;
7405 if (t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && t->attrs & PARAM_ATTRIBUTE_OUT)
7408 mono_mb_emit_ldarg (mb, argnum);
7410 mono_mb_emit_byte(mb, CEE_LDIND_REF);
7411 mono_mb_emit_ldloc_addr (mb, conv_arg);
7412 mono_mb_emit_managed_call (mb, get_native_variant_for_object, NULL);
7416 case MARSHAL_ACTION_CONV_OUT: {
7417 static MonoMethod *variant_clear = NULL;
7420 variant_clear = mono_class_get_method_from_name (mono_class_get_variant_class (), "Clear", 0);
7421 g_assert (variant_clear);
7424 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT || !(t->attrs & PARAM_ATTRIBUTE_IN))) {
7425 mono_mb_emit_ldarg (mb, argnum);
7426 mono_mb_emit_ldloc_addr (mb, conv_arg);
7427 mono_mb_emit_managed_call (mb, get_object_for_native_variant, NULL);
7428 mono_mb_emit_byte (mb, CEE_STIND_REF);
7431 mono_mb_emit_ldloc_addr (mb, conv_arg);
7432 mono_mb_emit_managed_call (mb, variant_clear, NULL);
7436 case MARSHAL_ACTION_PUSH:
7438 mono_mb_emit_ldloc_addr (mb, conv_arg);
7440 mono_mb_emit_ldloc (mb, conv_arg);
7443 case MARSHAL_ACTION_CONV_RESULT: {
7444 char *msg = g_strdup ("Marshalling of VARIANT not supported as a return type.");
7445 mono_mb_emit_exception_marshal_directive (mb, msg);
7449 case MARSHAL_ACTION_MANAGED_CONV_IN: {
7450 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
7453 *conv_arg_type = &mono_class_get_variant_class ()->this_arg;
7455 *conv_arg_type = &mono_class_get_variant_class ()->byval_arg;
7457 if (t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && t->attrs & PARAM_ATTRIBUTE_OUT)
7461 mono_mb_emit_ldarg (mb, argnum);
7463 mono_mb_emit_ldarg_addr (mb, argnum);
7464 mono_mb_emit_managed_call (mb, get_object_for_native_variant, NULL);
7465 mono_mb_emit_stloc (mb, conv_arg);
7469 case MARSHAL_ACTION_MANAGED_CONV_OUT: {
7470 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT || !(t->attrs & PARAM_ATTRIBUTE_IN))) {
7471 mono_mb_emit_ldloc (mb, conv_arg);
7472 mono_mb_emit_ldarg (mb, argnum);
7473 mono_mb_emit_managed_call (mb, get_native_variant_for_object, NULL);
7478 case MARSHAL_ACTION_MANAGED_CONV_RESULT: {
7479 char *msg = g_strdup ("Marshalling of VARIANT not supported as a return type.");
7480 mono_mb_emit_exception_marshal_directive (mb, msg);
7485 g_assert_not_reached ();
7491 #endif /* DISABLE_COM */
7492 #endif /* DISABLE_JIT */
7495 mono_pinvoke_is_unicode (MonoMethodPInvoke *piinfo)
7497 switch (piinfo->piflags & PINVOKE_ATTRIBUTE_CHAR_SET_MASK) {
7498 case PINVOKE_ATTRIBUTE_CHAR_SET_ANSI:
7500 case PINVOKE_ATTRIBUTE_CHAR_SET_UNICODE:
7502 case PINVOKE_ATTRIBUTE_CHAR_SET_AUTO:
7514 emit_marshal_array (EmitMarshalContext *m, int argnum, MonoType *t,
7515 MonoMarshalSpec *spec,
7516 int conv_arg, MonoType **conv_arg_type,
7517 MarshalAction action)
7521 case MARSHAL_ACTION_CONV_IN:
7522 *conv_arg_type = &mono_defaults.object_class->byval_arg;
7524 case MARSHAL_ACTION_MANAGED_CONV_IN:
7525 *conv_arg_type = &mono_defaults.int_class->byval_arg;
7529 MonoMethodBuilder *mb = m->mb;
7530 MonoClass *klass = mono_class_from_mono_type (t);
7531 gboolean need_convert, need_free;
7532 MonoMarshalNative encoding;
7534 encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
7537 case MARSHAL_ACTION_CONV_IN:
7538 *conv_arg_type = &mono_defaults.object_class->byval_arg;
7539 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
7541 if (klass->element_class->blittable) {
7542 mono_mb_emit_ldarg (mb, argnum);
7544 mono_mb_emit_byte (mb, CEE_LDIND_I);
7545 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_ARRAY_LPARRAY));
7546 mono_mb_emit_stloc (mb, conv_arg);
7549 guint32 label1, label2, label3;
7550 int index_var, src_var, dest_ptr, esize;
7551 MonoMarshalConv conv;
7552 gboolean is_string = FALSE;
7554 dest_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7556 eklass = klass->element_class;
7558 if (eklass == mono_defaults.string_class) {
7560 conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
7562 else if (eklass == mono_defaults.stringbuilder_class) {
7564 conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
7569 if (is_string && conv == -1) {
7570 char *msg = g_strdup_printf ("string/stringbuilder marshalling conversion %d not implemented", encoding);
7571 mono_mb_emit_exception_marshal_directive (mb, msg);
7575 src_var = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
7576 mono_mb_emit_ldarg (mb, argnum);
7578 mono_mb_emit_byte (mb, CEE_LDIND_I);
7579 mono_mb_emit_stloc (mb, src_var);
7582 mono_mb_emit_ldloc (mb, src_var);
7583 mono_mb_emit_stloc (mb, conv_arg);
7584 mono_mb_emit_ldloc (mb, src_var);
7585 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
7588 esize = sizeof (gpointer);
7589 else if (eklass == mono_defaults.char_class) /*can't call mono_marshal_type_size since it causes all sorts of asserts*/
7590 esize = mono_pinvoke_is_unicode (m->piinfo) ? 2 : 1;
7592 esize = mono_class_native_size (eklass, NULL);
7594 /* allocate space for the native struct and store the address */
7595 mono_mb_emit_icon (mb, esize);
7596 mono_mb_emit_ldloc (mb, src_var);
7597 mono_mb_emit_byte (mb, CEE_LDLEN);
7599 if (eklass == mono_defaults.string_class) {
7600 /* Make the array bigger for the terminating null */
7601 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
7602 mono_mb_emit_byte (mb, CEE_ADD);
7604 mono_mb_emit_byte (mb, CEE_MUL);
7605 mono_mb_emit_byte (mb, CEE_PREFIX1);
7606 mono_mb_emit_byte (mb, CEE_LOCALLOC);
7607 mono_mb_emit_stloc (mb, conv_arg);
7609 mono_mb_emit_ldloc (mb, conv_arg);
7610 mono_mb_emit_stloc (mb, dest_ptr);
7612 /* Emit marshalling loop */
7613 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7614 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7615 mono_mb_emit_stloc (mb, index_var);
7616 label2 = mono_mb_get_label (mb);
7617 mono_mb_emit_ldloc (mb, index_var);
7618 mono_mb_emit_ldloc (mb, src_var);
7619 mono_mb_emit_byte (mb, CEE_LDLEN);
7620 label3 = mono_mb_emit_branch (mb, CEE_BGE);
7622 /* Emit marshalling code */
7625 mono_mb_emit_ldloc (mb, dest_ptr);
7626 mono_mb_emit_ldloc (mb, src_var);
7627 mono_mb_emit_ldloc (mb, index_var);
7628 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
7629 mono_mb_emit_icall (mb, conv_to_icall (conv));
7630 mono_mb_emit_byte (mb, CEE_STIND_I);
7632 /* set the src_ptr */
7633 mono_mb_emit_ldloc (mb, src_var);
7634 mono_mb_emit_ldloc (mb, index_var);
7635 mono_mb_emit_op (mb, CEE_LDELEMA, eklass);
7636 mono_mb_emit_stloc (mb, 0);
7639 mono_mb_emit_ldloc (mb, dest_ptr);
7640 mono_mb_emit_stloc (mb, 1);
7642 /* emit valuetype conversion code */
7643 emit_struct_conv_full (mb, eklass, FALSE, eklass == mono_defaults.char_class ? encoding : -1);
7646 mono_mb_emit_add_to_local (mb, index_var, 1);
7647 mono_mb_emit_add_to_local (mb, dest_ptr, esize);
7649 mono_mb_emit_branch_label (mb, CEE_BR, label2);
7651 mono_mb_patch_branch (mb, label3);
7653 if (eklass == mono_defaults.string_class) {
7654 /* Null terminate */
7655 mono_mb_emit_ldloc (mb, dest_ptr);
7656 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7657 mono_mb_emit_byte (mb, CEE_STIND_REF);
7660 mono_mb_patch_branch (mb, label1);
7665 case MARSHAL_ACTION_CONV_OUT:
7666 /* Unicode character arrays are implicitly marshalled as [Out] under MS.NET */
7667 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);
7668 need_free = mono_marshal_need_free (&klass->element_class->byval_arg,
7671 if (need_convert || need_free) {
7672 /* FIXME: Optimize blittable case */
7674 guint32 label1, label2, label3;
7675 int index_var, src_ptr, loc, esize;
7677 eklass = klass->element_class;
7678 if ((eklass == mono_defaults.stringbuilder_class) || (eklass == mono_defaults.string_class))
7679 esize = sizeof (gpointer);
7680 else if (eklass == mono_defaults.char_class)
7681 esize = mono_pinvoke_is_unicode (m->piinfo) ? 2 : 1;
7683 esize = mono_class_native_size (eklass, NULL);
7684 src_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7685 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7688 mono_mb_emit_ldarg (mb, argnum);
7690 mono_mb_emit_byte (mb, CEE_LDIND_I);
7691 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
7693 mono_mb_emit_ldloc (mb, conv_arg);
7694 mono_mb_emit_stloc (mb, src_ptr);
7696 /* Emit marshalling loop */
7697 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7698 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7699 mono_mb_emit_stloc (mb, index_var);
7700 label2 = mono_mb_get_label (mb);
7701 mono_mb_emit_ldloc (mb, index_var);
7702 mono_mb_emit_ldarg (mb, argnum);
7704 mono_mb_emit_byte (mb, CEE_LDIND_REF);
7705 mono_mb_emit_byte (mb, CEE_LDLEN);
7706 label3 = mono_mb_emit_branch (mb, CEE_BGE);
7708 /* Emit marshalling code */
7710 if (eklass == mono_defaults.stringbuilder_class) {
7711 gboolean need_free2;
7712 MonoMarshalConv conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free2);
7714 g_assert (conv != -1);
7717 mono_mb_emit_ldarg (mb, argnum);
7719 mono_mb_emit_byte (mb, CEE_LDIND_I);
7720 mono_mb_emit_ldloc (mb, index_var);
7721 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
7724 mono_mb_emit_ldloc (mb, src_ptr);
7725 mono_mb_emit_byte (mb, CEE_LDIND_I);
7727 mono_mb_emit_icall (mb, conv_to_icall (conv));
7731 mono_mb_emit_ldloc (mb, src_ptr);
7732 mono_mb_emit_byte (mb, CEE_LDIND_I);
7734 mono_mb_emit_icall (mb, mono_marshal_free);
7737 else if (eklass == mono_defaults.string_class) {
7740 mono_mb_emit_ldloc (mb, src_ptr);
7741 mono_mb_emit_byte (mb, CEE_LDIND_I);
7743 mono_mb_emit_icall (mb, mono_marshal_free);
7748 /* set the src_ptr */
7749 mono_mb_emit_ldloc (mb, src_ptr);
7750 mono_mb_emit_stloc (mb, 0);
7753 mono_mb_emit_ldarg (mb, argnum);
7755 mono_mb_emit_byte (mb, CEE_LDIND_REF);
7756 mono_mb_emit_ldloc (mb, index_var);
7757 mono_mb_emit_op (mb, CEE_LDELEMA, eklass);
7758 mono_mb_emit_stloc (mb, 1);
7760 /* emit valuetype conversion code */
7761 emit_struct_conv_full (mb, eklass, TRUE, eklass == mono_defaults.char_class ? encoding : -1);
7765 mono_mb_emit_ldloc (mb, src_ptr);
7766 mono_mb_emit_stloc (mb, loc);
7767 mono_mb_emit_ldloc (mb, loc);
7769 emit_struct_free (mb, eklass, loc);
7773 mono_mb_emit_add_to_local (mb, index_var, 1);
7774 mono_mb_emit_add_to_local (mb, src_ptr, esize);
7776 mono_mb_emit_branch_label (mb, CEE_BR, label2);
7778 mono_mb_patch_branch (mb, label1);
7779 mono_mb_patch_branch (mb, label3);
7782 if (klass->element_class->blittable) {
7783 /* free memory allocated (if any) by MONO_MARSHAL_CONV_ARRAY_LPARRAY */
7785 mono_mb_emit_ldarg (mb, argnum);
7786 mono_mb_emit_ldloc (mb, conv_arg);
7787 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_FREE_LPARRAY));
7792 case MARSHAL_ACTION_PUSH:
7794 mono_mb_emit_ldloc_addr (mb, conv_arg);
7796 mono_mb_emit_ldloc (mb, conv_arg);
7799 case MARSHAL_ACTION_CONV_RESULT:
7800 /* fixme: we need conversions here */
7801 mono_mb_emit_stloc (mb, 3);
7804 case MARSHAL_ACTION_MANAGED_CONV_IN: {
7806 guint32 label1, label2, label3;
7807 int index_var, src_ptr, loc, esize, param_num, num_elem;
7808 MonoMarshalConv conv;
7809 gboolean is_string = FALSE;
7811 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
7812 *conv_arg_type = &mono_defaults.int_class->byval_arg;
7815 char *msg = g_strdup ("Byref array marshalling to managed code is not implemented.");
7816 mono_mb_emit_exception_marshal_directive (mb, msg);
7820 char *msg = g_strdup ("[MarshalAs] attribute required to marshal arrays to managed code.");
7821 mono_mb_emit_exception_marshal_directive (mb, msg);
7824 if (spec->native != MONO_NATIVE_LPARRAY) {
7825 char *msg = g_strdup ("Non LPArray marshalling of arrays to managed code is not implemented.");
7826 mono_mb_emit_exception_marshal_directive (mb, msg);
7830 /* FIXME: t is from the method which is wrapped, not the delegate type */
7831 /* g_assert (t->attrs & PARAM_ATTRIBUTE_IN); */
7833 param_num = spec->data.array_data.param_num;
7834 num_elem = spec->data.array_data.num_elem;
7835 if (spec->data.array_data.elem_mult == 0)
7836 /* param_num is not specified */
7839 if (param_num == -1) {
7840 if (num_elem <= 0) {
7841 char *msg = g_strdup ("Either SizeConst or SizeParamIndex should be specified when marshalling arrays to managed code.");
7842 mono_mb_emit_exception_marshal_directive (mb, msg);
7847 /* FIXME: Optimize blittable case */
7849 eklass = klass->element_class;
7850 if (eklass == mono_defaults.string_class) {
7852 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
7854 else if (eklass == mono_defaults.stringbuilder_class) {
7856 conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free);
7861 mono_marshal_load_type_info (eklass);
7864 esize = sizeof (gpointer);
7866 esize = mono_class_native_size (eklass, NULL);
7867 src_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7868 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7870 mono_mb_emit_byte (mb, CEE_LDNULL);
7871 mono_mb_emit_stloc (mb, conv_arg);
7873 /* Check param index */
7874 if (param_num != -1) {
7875 if (param_num >= m->sig->param_count) {
7876 char *msg = g_strdup ("Array size control parameter index is out of range.");
7877 mono_mb_emit_exception_marshal_directive (mb, msg);
7880 switch (m->sig->params [param_num]->type) {
7893 char *msg = g_strdup ("Array size control parameter must be an integral type.");
7894 mono_mb_emit_exception_marshal_directive (mb, msg);
7901 mono_mb_emit_ldarg (mb, argnum);
7902 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
7904 mono_mb_emit_ldarg (mb, argnum);
7905 mono_mb_emit_stloc (mb, src_ptr);
7907 /* Create managed array */
7909 * The LPArray marshalling spec says that sometimes param_num starts
7910 * from 1, sometimes it starts from 0. But MS seems to allways start
7914 if (param_num == -1) {
7915 mono_mb_emit_icon (mb, num_elem);
7917 mono_mb_emit_ldarg (mb, param_num);
7919 mono_mb_emit_icon (mb, num_elem);
7920 mono_mb_emit_byte (mb, CEE_ADD);
7922 mono_mb_emit_byte (mb, CEE_CONV_OVF_I);
7925 mono_mb_emit_op (mb, CEE_NEWARR, eklass);
7926 mono_mb_emit_stloc (mb, conv_arg);
7928 if (eklass->blittable) {
7929 mono_mb_emit_ldloc (mb, conv_arg);
7930 mono_mb_emit_byte (mb, CEE_CONV_I);
7931 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArray, vector));
7932 mono_mb_emit_byte (mb, CEE_ADD);
7933 mono_mb_emit_ldarg (mb, argnum);
7934 mono_mb_emit_ldloc (mb, conv_arg);
7935 mono_mb_emit_byte (mb, CEE_LDLEN);
7936 mono_mb_emit_icon (mb, esize);
7937 mono_mb_emit_byte (mb, CEE_MUL);
7938 mono_mb_emit_byte (mb, CEE_PREFIX1);
7939 mono_mb_emit_byte (mb, CEE_CPBLK);
7943 /* Emit marshalling loop */
7944 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7945 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7946 mono_mb_emit_stloc (mb, index_var);
7947 label2 = mono_mb_get_label (mb);
7948 mono_mb_emit_ldloc (mb, index_var);
7949 mono_mb_emit_ldloc (mb, conv_arg);
7950 mono_mb_emit_byte (mb, CEE_LDLEN);
7951 label3 = mono_mb_emit_branch (mb, CEE_BGE);
7953 /* Emit marshalling code */
7955 g_assert (conv != -1);
7957 mono_mb_emit_ldloc (mb, conv_arg);
7958 mono_mb_emit_ldloc (mb, index_var);
7960 mono_mb_emit_ldloc (mb, src_ptr);
7961 mono_mb_emit_byte (mb, CEE_LDIND_I);
7963 mono_mb_emit_icall (mb, conv_to_icall (conv));
7964 mono_mb_emit_byte (mb, CEE_STELEM_REF);
7967 char *msg = g_strdup ("Marshalling of non-string and non-blittable arrays to managed code is not implemented.");
7968 mono_mb_emit_exception_marshal_directive (mb, msg);
7972 mono_mb_emit_add_to_local (mb, index_var, 1);
7973 mono_mb_emit_add_to_local (mb, src_ptr, esize);
7975 mono_mb_emit_branch_label (mb, CEE_BR, label2);
7977 mono_mb_patch_branch (mb, label1);
7978 mono_mb_patch_branch (mb, label3);
7982 case MARSHAL_ACTION_MANAGED_CONV_OUT: {
7984 guint32 label1, label2, label3;
7985 int index_var, dest_ptr, loc, esize, param_num, num_elem;
7986 MonoMarshalConv conv;
7987 gboolean is_string = FALSE;
7990 /* Already handled in CONV_IN */
7993 /* These are already checked in CONV_IN */
7994 g_assert (!t->byref);
7995 g_assert (spec->native == MONO_NATIVE_LPARRAY);
7996 g_assert (t->attrs & PARAM_ATTRIBUTE_OUT);
7998 param_num = spec->data.array_data.param_num;
7999 num_elem = spec->data.array_data.num_elem;
8001 if (spec->data.array_data.elem_mult == 0)
8002 /* param_num is not specified */
8005 if (param_num == -1) {
8006 if (num_elem <= 0) {
8007 g_assert_not_reached ();
8011 /* FIXME: Optimize blittable case */
8013 eklass = klass->element_class;
8014 if (eklass == mono_defaults.string_class) {
8016 conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
8018 else if (eklass == mono_defaults.stringbuilder_class) {
8020 conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
8025 mono_marshal_load_type_info (eklass);
8028 esize = sizeof (gpointer);
8030 esize = mono_class_native_size (eklass, NULL);
8032 dest_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8033 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8036 mono_mb_emit_ldloc (mb, conv_arg);
8037 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
8039 mono_mb_emit_ldarg (mb, argnum);
8040 mono_mb_emit_stloc (mb, dest_ptr);
8042 if (eklass->blittable) {
8044 mono_mb_emit_ldarg (mb, argnum);
8046 mono_mb_emit_ldloc (mb, conv_arg);
8047 mono_mb_emit_byte (mb, CEE_CONV_I);
8048 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArray, vector));
8049 mono_mb_emit_byte (mb, CEE_ADD);
8051 mono_mb_emit_ldloc (mb, conv_arg);
8052 mono_mb_emit_byte (mb, CEE_LDLEN);
8053 mono_mb_emit_icon (mb, esize);
8054 mono_mb_emit_byte (mb, CEE_MUL);
8055 mono_mb_emit_byte (mb, CEE_PREFIX1);
8056 mono_mb_emit_byte (mb, CEE_CPBLK);
8060 /* Emit marshalling loop */
8061 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8062 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
8063 mono_mb_emit_stloc (mb, index_var);
8064 label2 = mono_mb_get_label (mb);
8065 mono_mb_emit_ldloc (mb, index_var);
8066 mono_mb_emit_ldloc (mb, conv_arg);
8067 mono_mb_emit_byte (mb, CEE_LDLEN);
8068 label3 = mono_mb_emit_branch (mb, CEE_BGE);
8070 /* Emit marshalling code */
8072 g_assert (conv != -1);
8075 mono_mb_emit_ldloc (mb, dest_ptr);
8078 mono_mb_emit_ldloc (mb, conv_arg);
8079 mono_mb_emit_ldloc (mb, index_var);
8081 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
8083 mono_mb_emit_icall (mb, conv_to_icall (conv));
8084 mono_mb_emit_byte (mb, CEE_STIND_I);
8087 char *msg = g_strdup ("Marshalling of non-string and non-blittable arrays to managed code is not implemented.");
8088 mono_mb_emit_exception_marshal_directive (mb, msg);
8092 mono_mb_emit_add_to_local (mb, index_var, 1);
8093 mono_mb_emit_add_to_local (mb, dest_ptr, esize);
8095 mono_mb_emit_branch_label (mb, CEE_BR, label2);
8097 mono_mb_patch_branch (mb, label1);
8098 mono_mb_patch_branch (mb, label3);
8102 case MARSHAL_ACTION_MANAGED_CONV_RESULT: {
8104 guint32 label1, label2, label3;
8105 int index_var, src, dest, esize;
8106 MonoMarshalConv conv = -1;
8107 gboolean is_string = FALSE;
8109 g_assert (!t->byref);
8111 eklass = klass->element_class;
8113 mono_marshal_load_type_info (eklass);
8115 if (eklass == mono_defaults.string_class) {
8117 conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
8120 g_assert_not_reached ();
8124 esize = sizeof (gpointer);
8125 else if (eklass == mono_defaults.char_class)
8126 esize = mono_pinvoke_is_unicode (m->piinfo) ? 2 : 1;
8128 esize = mono_class_native_size (eklass, NULL);
8130 src = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
8131 dest = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8133 mono_mb_emit_stloc (mb, src);
8134 mono_mb_emit_ldloc (mb, src);
8135 mono_mb_emit_stloc (mb, 3);
8137 /* Check for null */
8138 mono_mb_emit_ldloc (mb, src);
8139 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
8141 /* Allocate native array */
8142 mono_mb_emit_icon (mb, esize);
8143 mono_mb_emit_ldloc (mb, src);
8144 mono_mb_emit_byte (mb, CEE_LDLEN);
8146 if (eklass == mono_defaults.string_class) {
8147 /* Make the array bigger for the terminating null */
8148 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
8149 mono_mb_emit_byte (mb, CEE_ADD);
8151 mono_mb_emit_byte (mb, CEE_MUL);
8152 mono_mb_emit_icall (mb, mono_marshal_alloc);
8153 mono_mb_emit_stloc (mb, dest);
8154 mono_mb_emit_ldloc (mb, dest);
8155 mono_mb_emit_stloc (mb, 3);
8157 /* Emit marshalling loop */
8158 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8159 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
8160 mono_mb_emit_stloc (mb, index_var);
8161 label2 = mono_mb_get_label (mb);
8162 mono_mb_emit_ldloc (mb, index_var);
8163 mono_mb_emit_ldloc (mb, src);
8164 mono_mb_emit_byte (mb, CEE_LDLEN);
8165 label3 = mono_mb_emit_branch (mb, CEE_BGE);
8167 /* Emit marshalling code */
8169 g_assert (conv != -1);
8172 mono_mb_emit_ldloc (mb, dest);
8175 mono_mb_emit_ldloc (mb, src);
8176 mono_mb_emit_ldloc (mb, index_var);
8178 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
8180 mono_mb_emit_icall (mb, conv_to_icall (conv));
8181 mono_mb_emit_byte (mb, CEE_STIND_I);
8184 char *msg = g_strdup ("Marshalling of non-string arrays to managed code is not implemented.");
8185 mono_mb_emit_exception_marshal_directive (mb, msg);
8189 mono_mb_emit_add_to_local (mb, index_var, 1);
8190 mono_mb_emit_add_to_local (mb, dest, esize);
8192 mono_mb_emit_branch_label (mb, CEE_BR, label2);
8194 mono_mb_patch_branch (mb, label3);
8195 mono_mb_patch_branch (mb, label1);
8199 g_assert_not_reached ();
8206 marshal_boolean_conv_in_get_local_type (MonoMarshalSpec *spec, guint8 *ldc_op /*out*/)
8209 return &mono_defaults.int32_class->byval_arg;
8211 switch (spec->native) {
8212 case MONO_NATIVE_I1:
8213 case MONO_NATIVE_U1:
8214 return &mono_defaults.byte_class->byval_arg;
8215 case MONO_NATIVE_VARIANTBOOL:
8216 if (ldc_op) *ldc_op = CEE_LDC_I4_M1;
8217 return &mono_defaults.int16_class->byval_arg;
8218 case MONO_NATIVE_BOOLEAN:
8219 return &mono_defaults.int32_class->byval_arg;
8221 g_warning ("marshalling bool as native type %x is currently not supported", spec->native);
8222 return &mono_defaults.int32_class->byval_arg;
8228 marshal_boolean_managed_conv_in_get_conv_arg_class (MonoMarshalSpec *spec, guint8 *ldop/*out*/)
8230 MonoClass* conv_arg_class = mono_defaults.int32_class;
8232 switch (spec->native) {
8233 case MONO_NATIVE_I1:
8234 case MONO_NATIVE_U1:
8235 conv_arg_class = mono_defaults.byte_class;
8236 if (ldop) *ldop = CEE_LDIND_I1;
8238 case MONO_NATIVE_VARIANTBOOL:
8239 conv_arg_class = mono_defaults.int16_class;
8240 if (ldop) *ldop = CEE_LDIND_I2;
8242 case MONO_NATIVE_BOOLEAN:
8245 g_warning ("marshalling bool as native type %x is currently not supported", spec->native);
8248 return conv_arg_class;
8252 emit_marshal_boolean (EmitMarshalContext *m, int argnum, MonoType *t,
8253 MonoMarshalSpec *spec,
8254 int conv_arg, MonoType **conv_arg_type,
8255 MarshalAction action)
8259 case MARSHAL_ACTION_CONV_IN:
8261 *conv_arg_type = &mono_defaults.int_class->byval_arg;
8263 *conv_arg_type = marshal_boolean_conv_in_get_local_type (spec, NULL);
8266 case MARSHAL_ACTION_MANAGED_CONV_IN: {
8267 MonoClass* conv_arg_class = marshal_boolean_managed_conv_in_get_conv_arg_class (spec, NULL);
8269 *conv_arg_type = &conv_arg_class->this_arg;
8271 *conv_arg_type = &conv_arg_class->byval_arg;
8277 MonoMethodBuilder *mb = m->mb;
8280 case MARSHAL_ACTION_CONV_IN: {
8281 MonoType *local_type;
8283 guint8 ldc_op = CEE_LDC_I4_1;
8285 local_type = marshal_boolean_conv_in_get_local_type (spec, &ldc_op);
8287 *conv_arg_type = &mono_defaults.int_class->byval_arg;
8289 *conv_arg_type = local_type;
8290 conv_arg = mono_mb_add_local (mb, local_type);
8292 mono_mb_emit_ldarg (mb, argnum);
8294 mono_mb_emit_byte (mb, CEE_LDIND_I1);
8295 label_false = mono_mb_emit_branch (mb, CEE_BRFALSE);
8296 mono_mb_emit_byte (mb, ldc_op);
8297 mono_mb_emit_stloc (mb, conv_arg);
8298 mono_mb_patch_branch (mb, label_false);
8303 case MARSHAL_ACTION_CONV_OUT:
8305 int label_false, label_end;
8309 mono_mb_emit_ldarg (mb, argnum);
8310 mono_mb_emit_ldloc (mb, conv_arg);
8312 label_false = mono_mb_emit_branch (mb, CEE_BRFALSE);
8313 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
8315 label_end = mono_mb_emit_branch (mb, CEE_BR);
8316 mono_mb_patch_branch (mb, label_false);
8317 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
8318 mono_mb_patch_branch (mb, label_end);
8320 mono_mb_emit_byte (mb, CEE_STIND_I1);
8324 case MARSHAL_ACTION_PUSH:
8326 mono_mb_emit_ldloc_addr (mb, conv_arg);
8328 mono_mb_emit_ldloc (mb, conv_arg);
8330 mono_mb_emit_ldarg (mb, argnum);
8333 case MARSHAL_ACTION_CONV_RESULT:
8334 /* maybe we need to make sure that it fits within 8 bits */
8335 mono_mb_emit_stloc (mb, 3);
8338 case MARSHAL_ACTION_MANAGED_CONV_IN: {
8339 MonoClass* conv_arg_class = mono_defaults.int32_class;
8340 guint8 ldop = CEE_LDIND_I4;
8341 int label_null, label_false;
8343 conv_arg_class = marshal_boolean_managed_conv_in_get_conv_arg_class (spec, &ldop);
8344 conv_arg = mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
8347 *conv_arg_type = &conv_arg_class->this_arg;
8349 *conv_arg_type = &conv_arg_class->byval_arg;
8352 mono_mb_emit_ldarg (mb, argnum);
8356 label_null = mono_mb_emit_branch (mb, CEE_BRFALSE);
8357 mono_mb_emit_ldarg (mb, argnum);
8358 mono_mb_emit_byte (mb, ldop);
8362 label_false = mono_mb_emit_branch (mb, CEE_BRFALSE);
8363 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
8364 mono_mb_emit_stloc (mb, conv_arg);
8365 mono_mb_patch_branch (mb, label_false);
8368 mono_mb_patch_branch (mb, label_null);
8372 case MARSHAL_ACTION_MANAGED_CONV_OUT: {
8373 guint8 stop = CEE_STIND_I4;
8374 guint8 ldc_op = CEE_LDC_I4_1;
8375 int label_null,label_false, label_end;;
8380 switch (spec->native) {
8381 case MONO_NATIVE_I1:
8382 case MONO_NATIVE_U1:
8383 stop = CEE_STIND_I1;
8385 case MONO_NATIVE_VARIANTBOOL:
8386 stop = CEE_STIND_I2;
8387 ldc_op = CEE_LDC_I4_M1;
8395 mono_mb_emit_ldarg (mb, argnum);
8396 label_null = mono_mb_emit_branch (mb, CEE_BRFALSE);
8398 mono_mb_emit_ldarg (mb, argnum);
8399 mono_mb_emit_ldloc (mb, conv_arg);
8401 label_false = mono_mb_emit_branch (mb, CEE_BRFALSE);
8402 mono_mb_emit_byte (mb, ldc_op);
8403 label_end = mono_mb_emit_branch (mb, CEE_BR);
8405 mono_mb_patch_branch (mb, label_false);
8406 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
8407 mono_mb_patch_branch (mb, label_end);
8409 mono_mb_emit_byte (mb, stop);
8410 mono_mb_patch_branch (mb, label_null);
8415 g_assert_not_reached ();
8422 emit_marshal_ptr (EmitMarshalContext *m, int argnum, MonoType *t,
8423 MonoMarshalSpec *spec, int conv_arg,
8424 MonoType **conv_arg_type, MarshalAction action)
8427 MonoMethodBuilder *mb = m->mb;
8430 case MARSHAL_ACTION_CONV_IN:
8431 /* MS seems to allow this in some cases, ie. bxc #158 */
8433 if (MONO_TYPE_ISSTRUCT (t->data.type) && !mono_class_from_mono_type (t->data.type)->blittable) {
8434 char *msg = g_strdup_printf ("Can not marshal 'parameter #%d': Pointers can not reference marshaled structures. Use byref instead.", argnum + 1);
8435 mono_mb_emit_exception_marshal_directive (m->mb, msg);
8440 case MARSHAL_ACTION_PUSH:
8441 mono_mb_emit_ldarg (mb, argnum);
8444 case MARSHAL_ACTION_CONV_RESULT:
8445 /* no conversions necessary */
8446 mono_mb_emit_stloc (mb, 3);
8457 emit_marshal_char (EmitMarshalContext *m, int argnum, MonoType *t,
8458 MonoMarshalSpec *spec, int conv_arg,
8459 MonoType **conv_arg_type, MarshalAction action)
8462 MonoMethodBuilder *mb = m->mb;
8465 case MARSHAL_ACTION_PUSH:
8466 /* fixme: dont know how to marshal that. We cant simply
8467 * convert it to a one byte UTF8 character, because an
8468 * unicode character may need more that one byte in UTF8 */
8469 mono_mb_emit_ldarg (mb, argnum);
8472 case MARSHAL_ACTION_CONV_RESULT:
8473 /* fixme: we need conversions here */
8474 mono_mb_emit_stloc (mb, 3);
8485 emit_marshal_scalar (EmitMarshalContext *m, int argnum, MonoType *t,
8486 MonoMarshalSpec *spec, int conv_arg,
8487 MonoType **conv_arg_type, MarshalAction action)
8490 MonoMethodBuilder *mb = m->mb;
8493 case MARSHAL_ACTION_PUSH:
8494 mono_mb_emit_ldarg (mb, argnum);
8497 case MARSHAL_ACTION_CONV_RESULT:
8498 /* no conversions necessary */
8499 mono_mb_emit_stloc (mb, 3);
8510 emit_marshal (EmitMarshalContext *m, int argnum, MonoType *t,
8511 MonoMarshalSpec *spec, int conv_arg,
8512 MonoType **conv_arg_type, MarshalAction action)
8514 /* Ensure that we have marshalling info for this param */
8515 mono_marshal_load_type_info (mono_class_from_mono_type (t));
8517 if (spec && spec->native == MONO_NATIVE_CUSTOM)
8518 return emit_marshal_custom (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8520 if (spec && spec->native == MONO_NATIVE_ASANY)
8521 return emit_marshal_asany (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8524 case MONO_TYPE_VALUETYPE:
8525 if (t->data.klass == mono_defaults.handleref_class)
8526 return emit_marshal_handleref (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8528 return emit_marshal_vtype (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8529 case MONO_TYPE_STRING:
8530 return emit_marshal_string (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8531 case MONO_TYPE_CLASS:
8532 case MONO_TYPE_OBJECT:
8534 if (spec && spec->native == MONO_NATIVE_STRUCT)
8535 return emit_marshal_variant (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8537 if (spec && (spec->native == MONO_NATIVE_IUNKNOWN ||
8538 spec->native == MONO_NATIVE_IDISPATCH ||
8539 spec->native == MONO_NATIVE_INTERFACE))
8540 return mono_cominterop_emit_marshal_com_interface (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8541 if (spec && (spec->native == MONO_NATIVE_SAFEARRAY) &&
8542 (spec->data.safearray_data.elem_type == MONO_VARIANT_VARIANT) &&
8543 ((action == MARSHAL_ACTION_CONV_OUT) || (action == MARSHAL_ACTION_CONV_IN) || (action == MARSHAL_ACTION_PUSH)))
8544 return mono_cominterop_emit_marshal_safearray (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8547 if (mono_defaults.safehandle_class != NULL && t->data.klass &&
8548 mono_class_is_subclass_of (t->data.klass, mono_defaults.safehandle_class, FALSE))
8549 return emit_marshal_safehandle (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8551 return emit_marshal_object (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8552 case MONO_TYPE_ARRAY:
8553 case MONO_TYPE_SZARRAY:
8554 return emit_marshal_array (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8555 case MONO_TYPE_BOOLEAN:
8556 return emit_marshal_boolean (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8558 return emit_marshal_ptr (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8559 case MONO_TYPE_CHAR:
8560 return emit_marshal_char (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8573 case MONO_TYPE_FNPTR:
8574 return emit_marshal_scalar (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8575 case MONO_TYPE_GENERICINST:
8576 if (mono_type_generic_inst_is_valuetype (t))
8577 return emit_marshal_vtype (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8579 return emit_marshal_object (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8586 * mono_marshal_emit_native_wrapper:
8587 * @image: the image to use for looking up custom marshallers
8588 * @sig: The signature of the native function
8589 * @piinfo: Marshalling information
8590 * @mspecs: Marshalling information
8591 * @aot: whenever the created method will be compiled by the AOT compiler
8592 * @method: if non-NULL, the pinvoke method to call
8593 * @check_exceptions: Whenever to check for pending exceptions after the native call
8594 * @func_param: the function to call is passed as a boxed IntPtr as the first parameter
8596 * generates IL code for the pinvoke wrapper, the generated code calls @func.
8599 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)
8601 EmitMarshalContext m;
8602 MonoMethodSignature *csig;
8604 int i, argnum, *tmp_locals;
8605 int type, param_shift = 0;
8606 static MonoMethodSignature *get_last_error_sig = NULL;
8611 /* we copy the signature, so that we can set pinvoke to 0 */
8613 /* The function address is passed as the first argument */
8614 g_assert (!sig->hasthis);
8617 csig = signature_dup (mb->method->klass->image, sig);
8625 /* we allocate local for use with emit_struct_conv() */
8626 /* allocate local 0 (pointer) src_ptr */
8627 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8628 /* allocate local 1 (pointer) dst_ptr */
8629 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8630 /* allocate local 2 (boolean) delete_old */
8631 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
8633 /* delete_old = FALSE */
8634 mono_mb_emit_icon (mb, 0);
8635 mono_mb_emit_stloc (mb, 2);
8637 if (!MONO_TYPE_IS_VOID(sig->ret)) {
8638 /* allocate local 3 to store the return value */
8639 mono_mb_add_local (mb, sig->ret);
8642 if (mspecs [0] && mspecs [0]->native == MONO_NATIVE_CUSTOM) {
8643 /* Return type custom marshaling */
8645 * Since we can't determine the return type of the unmanaged function,
8646 * we assume it returns a pointer, and pass that pointer to
8647 * MarshalNativeToManaged.
8649 csig->ret = &mono_defaults.int_class->byval_arg;
8652 /* we first do all conversions */
8653 tmp_locals = alloca (sizeof (int) * sig->param_count);
8654 m.orig_conv_args = alloca (sizeof (int) * (sig->param_count + 1));
8656 for (i = 0; i < sig->param_count; i ++) {
8657 tmp_locals [i] = emit_marshal (&m, i + param_shift, sig->params [i], mspecs [i + 1], 0, &csig->params [i], MARSHAL_ACTION_CONV_IN);
8660 /* push all arguments */
8663 mono_mb_emit_byte (mb, CEE_LDARG_0);
8665 for (i = 0; i < sig->param_count; i++) {
8666 emit_marshal (&m, i + param_shift, sig->params [i], mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_PUSH);
8669 /* call the native method */
8671 mono_mb_emit_byte (mb, CEE_LDARG_0);
8672 mono_mb_emit_op (mb, CEE_UNBOX, mono_defaults.int_class);
8673 mono_mb_emit_byte (mb, CEE_LDIND_I);
8674 mono_mb_emit_calli (mb, csig);
8675 } else if (MONO_CLASS_IS_IMPORT (mb->method->klass)) {
8677 mono_mb_emit_cominterop_call (mb, csig, &piinfo->method);
8679 g_assert_not_reached ();
8684 /* Reuse the ICALL_ADDR opcode for pinvokes too */
8685 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
8686 mono_mb_emit_op (mb, CEE_MONO_ICALL_ADDR, &piinfo->method);
8687 mono_mb_emit_calli (mb, csig);
8689 mono_mb_emit_native_call (mb, csig, func);
8693 /* Set LastError if needed */
8694 if (piinfo->piflags & PINVOKE_ATTRIBUTE_SUPPORTS_LAST_ERROR) {
8695 if (!get_last_error_sig) {
8696 get_last_error_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
8697 get_last_error_sig->ret = &mono_defaults.int_class->byval_arg;
8698 get_last_error_sig->pinvoke = 1;
8703 * Have to call GetLastError () early and without a wrapper, since various runtime components could
8704 * clobber its value.
8706 mono_mb_emit_native_call (mb, get_last_error_sig, GetLastError);
8707 mono_mb_emit_icall (mb, mono_marshal_set_last_error_windows);
8709 mono_mb_emit_icall (mb, mono_marshal_set_last_error);
8713 /* convert the result */
8714 if (!sig->ret->byref) {
8715 MonoMarshalSpec *spec = mspecs [0];
8716 type = sig->ret->type;
8718 if (spec && spec->native == MONO_NATIVE_CUSTOM) {
8719 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
8724 case MONO_TYPE_VOID:
8726 case MONO_TYPE_VALUETYPE:
8727 klass = sig->ret->data.klass;
8728 if (klass->enumtype) {
8729 type = mono_class_enum_basetype (sig->ret->data.klass)->type;
8732 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
8746 case MONO_TYPE_FNPTR:
8747 case MONO_TYPE_STRING:
8748 case MONO_TYPE_CLASS:
8749 case MONO_TYPE_OBJECT:
8750 case MONO_TYPE_BOOLEAN:
8751 case MONO_TYPE_ARRAY:
8752 case MONO_TYPE_SZARRAY:
8753 case MONO_TYPE_CHAR:
8755 case MONO_TYPE_GENERICINST:
8756 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
8758 case MONO_TYPE_TYPEDBYREF:
8760 g_warning ("return type 0x%02x unknown", sig->ret->type);
8761 g_assert_not_reached ();
8765 mono_mb_emit_stloc (mb, 3);
8769 * Need to call this after converting the result since MONO_VTADDR needs
8770 * to be adjacent to the call instruction.
8772 if (check_exceptions)
8773 emit_thread_interrupt_checkpoint (mb);
8775 /* we need to convert byref arguments back and free string arrays */
8776 for (i = 0; i < sig->param_count; i++) {
8777 MonoType *t = sig->params [i];
8778 MonoMarshalSpec *spec = mspecs [i + 1];
8780 argnum = i + param_shift;
8782 if (spec && ((spec->native == MONO_NATIVE_CUSTOM) || (spec->native == MONO_NATIVE_ASANY))) {
8783 emit_marshal (&m, argnum, t, spec, tmp_locals [i], NULL, MARSHAL_ACTION_CONV_OUT);
8788 case MONO_TYPE_STRING:
8789 case MONO_TYPE_VALUETYPE:
8790 case MONO_TYPE_CLASS:
8791 case MONO_TYPE_OBJECT:
8792 case MONO_TYPE_SZARRAY:
8793 case MONO_TYPE_BOOLEAN:
8794 emit_marshal (&m, argnum, t, spec, tmp_locals [i], NULL, MARSHAL_ACTION_CONV_OUT);
8799 if (!MONO_TYPE_IS_VOID(sig->ret))
8800 mono_mb_emit_ldloc (mb, 3);
8802 mono_mb_emit_byte (mb, CEE_RET);
8804 #endif /* DISABLE_JIT */
8807 G_GNUC_UNUSED static void
8808 code_for (MonoMethod *method) {
8809 MonoMethodHeader *header = mono_method_get_header (method);
8810 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));
8814 * mono_marshal_get_native_wrapper:
8815 * @method: The MonoMethod to wrap.
8816 * @check_exceptions: Whenever to check for pending exceptions
8818 * generates IL code for the pinvoke wrapper (the generated method
8819 * calls the unmanaged code in piinfo->addr)
8820 * The wrapper info for the wrapper is a WrapperInfo structure.
8823 mono_marshal_get_native_wrapper (MonoMethod *method, gboolean check_exceptions, gboolean aot)
8825 MonoMethodSignature *sig, *csig;
8826 MonoMethodPInvoke *piinfo = (MonoMethodPInvoke *) method;
8827 MonoMethodBuilder *mb;
8828 MonoMarshalSpec **mspecs;
8831 gboolean pinvoke = FALSE;
8834 const char *exc_class = "MissingMethodException";
8835 const char *exc_arg = NULL;
8838 g_assert (method != NULL);
8839 g_assert (mono_method_signature (method)->pinvoke);
8842 cache = get_cache (&method->klass->image->native_wrapper_aot_cache, mono_aligned_addr_hash, NULL);
8844 cache = get_cache (&method->klass->image->native_wrapper_cache, mono_aligned_addr_hash, NULL);
8845 if ((res = mono_marshal_find_in_cache (cache, method)))
8848 if (MONO_CLASS_IS_IMPORT (method->klass)) {
8850 return mono_cominterop_get_native_wrapper (method);
8852 g_assert_not_reached ();
8856 sig = mono_method_signature (method);
8858 if (!(method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
8859 (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL))
8862 if (!piinfo->addr) {
8864 if (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)
8865 exc_arg = "Method contains unsupported native code";
8867 mono_lookup_pinvoke_call (method, &exc_class, &exc_arg);
8869 piinfo->addr = mono_lookup_internal_call (method);
8872 /* hack - redirect certain string constructors to CreateString */
8873 if (piinfo->addr == ves_icall_System_String_ctor_RedirectToCreateString) {
8874 g_assert (!pinvoke);
8875 g_assert (method->string_ctor);
8876 g_assert (sig->hasthis);
8878 /* CreateString returns a value */
8879 csig = signature_dup (method->klass->image, sig);
8880 csig->ret = &mono_defaults.string_class->byval_arg;
8884 while ((res = mono_class_get_methods (mono_defaults.string_class, &iter))) {
8885 if (!strcmp ("CreateString", res->name) &&
8886 mono_metadata_signature_equal (csig, mono_method_signature (res))) {
8889 g_assert (!(res->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL));
8890 g_assert (!(res->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL));
8892 /* create a wrapper to preserve .ctor in stack trace */
8893 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_MANAGED_TO_MANAGED);
8896 mono_mb_emit_byte (mb, CEE_LDARG_0);
8897 for (i = 1; i <= csig->param_count; i++)
8898 mono_mb_emit_ldarg (mb, i);
8899 mono_mb_emit_managed_call (mb, res, NULL);
8900 mono_mb_emit_byte (mb, CEE_RET);
8903 /* use native_wrapper_cache because internal calls are looked up there */
8904 res = mono_mb_create_and_cache (cache, method,
8905 mb, csig, csig->param_count + 1);
8909 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_STRING_CTOR);
8910 info->d.string_ctor.method = method;
8912 mono_marshal_set_wrapper_info (res, info);
8918 /* exception will be thrown */
8919 piinfo->addr = NULL;
8920 g_warning ("cannot find CreateString for .ctor");
8923 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_MANAGED_TO_NATIVE);
8925 mb->method->save_lmf = 1;
8928 * In AOT mode and embedding scenarios, it is possible that the icall is not
8929 * registered in the runtime doing the AOT compilation.
8931 if (!piinfo->addr && !aot) {
8933 mono_mb_emit_exception (mb, exc_class, exc_arg);
8935 csig = signature_dup (method->klass->image, sig);
8937 res = mono_mb_create_and_cache (cache, method,
8938 mb, csig, csig->param_count + 16);
8941 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_NONE);
8942 info->d.managed_to_native.method = method;
8943 mono_marshal_set_wrapper_info (res, info);
8948 /* internal calls: we simply push all arguments and call the method (no conversions) */
8949 if (method->iflags & (METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL | METHOD_IMPL_ATTRIBUTE_RUNTIME)) {
8951 csig = signature_dup_add_this (method->klass->image, sig, method->klass);
8953 csig = signature_dup (method->klass->image, sig);
8955 /* hack - string constructors returns a value */
8956 if (method->string_ctor)
8957 csig->ret = &mono_defaults.string_class->byval_arg;
8964 * Add a null check since public icalls can be called with 'call' which
8965 * does no such check.
8967 mono_mb_emit_byte (mb, CEE_LDARG_0);
8968 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
8969 mono_mb_emit_exception (mb, "NullReferenceException", NULL);
8970 mono_mb_patch_branch (mb, pos);
8972 mono_mb_emit_byte (mb, CEE_LDARG_0);
8975 for (i = 0; i < sig->param_count; i++)
8976 mono_mb_emit_ldarg (mb, i + sig->hasthis);
8979 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
8980 mono_mb_emit_op (mb, CEE_MONO_ICALL_ADDR, &piinfo->method);
8981 mono_mb_emit_calli (mb, csig);
8983 g_assert (piinfo->addr);
8984 mono_mb_emit_native_call (mb, csig, piinfo->addr);
8986 if (check_exceptions)
8987 emit_thread_interrupt_checkpoint (mb);
8988 mono_mb_emit_byte (mb, CEE_RET);
8991 csig = signature_dup (method->klass->image, csig);
8993 res = mono_mb_create_and_cache (cache, method,
8994 mb, csig, csig->param_count + 16);
8996 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_NONE);
8997 info->d.managed_to_native.method = method;
8998 mono_marshal_set_wrapper_info (res, info);
9006 g_assert (piinfo->addr);
9009 mspecs = g_new (MonoMarshalSpec*, sig->param_count + 1);
9010 mono_method_get_marshal_info (method, mspecs);
9012 mono_marshal_emit_native_wrapper (mb->method->klass->image, mb, sig, piinfo, mspecs, piinfo->addr, aot, check_exceptions, FALSE);
9015 csig = signature_dup (method->klass->image, sig);
9017 res = mono_mb_create_and_cache (cache, method,
9018 mb, csig, csig->param_count + 16);
9021 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_NONE);
9022 info->d.managed_to_native.method = method;
9023 mono_marshal_set_wrapper_info (res, info);
9026 for (i = sig->param_count; i >= 0; i--)
9028 mono_metadata_free_marshal_spec (mspecs [i]);
9032 /* code_for (res); */
9038 * mono_marshal_get_native_func_wrapper:
9039 * @image: The image to use for memory allocation and for looking up custom marshallers.
9040 * @sig: The signature of the function
9041 * @func: The native function to wrap
9043 * Returns a wrapper method around native functions, similar to the pinvoke
9047 mono_marshal_get_native_func_wrapper (MonoImage *image, MonoMethodSignature *sig,
9048 MonoMethodPInvoke *piinfo, MonoMarshalSpec **mspecs, gpointer func)
9050 MonoMethodSignature *csig;
9052 MonoMethodBuilder *mb;
9057 cache = get_cache (&image->native_wrapper_cache, mono_aligned_addr_hash, NULL);
9058 if ((res = mono_marshal_find_in_cache (cache, func)))
9061 name = g_strdup_printf ("wrapper_native_%p", func);
9062 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_MANAGED_TO_NATIVE);
9063 mb->method->save_lmf = 1;
9066 mono_marshal_emit_native_wrapper (image, mb, sig, piinfo, mspecs, func, FALSE, TRUE, FALSE);
9069 csig = signature_dup (image, sig);
9071 res = mono_mb_create_and_cache (cache, func,
9072 mb, csig, csig->param_count + 16);
9075 mono_marshal_set_wrapper_info (res, NULL);
9081 * The wrapper receives the native function as a boxed IntPtr as its 'this' argument. This is easier to support in
9085 mono_marshal_get_native_func_wrapper_aot (MonoClass *klass)
9087 MonoMethodSignature *sig, *csig;
9088 MonoMethodBuilder *mb;
9093 MonoMethodPInvoke mpiinfo;
9094 MonoMethodPInvoke *piinfo = &mpiinfo;
9095 MonoMarshalSpec **mspecs;
9096 MonoMethod *invoke = mono_get_delegate_invoke (klass);
9097 MonoImage *image = invoke->klass->image;
9100 // FIXME: include UnmanagedFunctionPointerAttribute info
9103 * The wrapper is associated with the delegate type, to pick up the marshalling info etc.
9105 cache = get_cache (&image->native_func_wrapper_aot_cache, mono_aligned_addr_hash, NULL);
9106 if ((res = mono_marshal_find_in_cache (cache, invoke)))
9109 memset (&mpiinfo, 0, sizeof (mpiinfo));
9110 parse_unmanaged_function_pointer_attr (klass, &mpiinfo);
9112 mspecs = g_new0 (MonoMarshalSpec*, mono_method_signature (invoke)->param_count + 1);
9113 mono_method_get_marshal_info (invoke, mspecs);
9114 /* Freed below so don't alloc from mempool */
9115 sig = mono_metadata_signature_dup (mono_method_signature (invoke));
9118 name = g_strdup_printf ("wrapper_aot_native");
9119 mb = mono_mb_new (invoke->klass, name, MONO_WRAPPER_MANAGED_TO_NATIVE);
9120 mb->method->save_lmf = 1;
9123 mono_marshal_emit_native_wrapper (image, mb, sig, piinfo, mspecs, NULL, FALSE, TRUE, TRUE);
9126 g_assert (!sig->hasthis);
9127 csig = signature_dup_add_this (image, sig, mono_defaults.int_class);
9129 res = mono_mb_create_and_cache (cache, invoke,
9130 mb, csig, csig->param_count + 16);
9133 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_NATIVE_FUNC_AOT);
9134 info->d.managed_to_native.method = invoke;
9136 mono_marshal_set_wrapper_info (res, info);
9138 for (i = mono_method_signature (invoke)->param_count; i >= 0; i--)
9140 mono_metadata_free_marshal_spec (mspecs [i]);
9148 * mono_marshal_emit_managed_wrapper:
9150 * Emit the body of a native-to-managed wrapper. INVOKE_SIG is the signature of
9151 * the delegate which wraps the managed method to be called. For closed delegates,
9152 * it could have fewer parameters than the method it wraps.
9153 * THIS_LOC is the memory location where the target of the delegate is stored.
9156 mono_marshal_emit_managed_wrapper (MonoMethodBuilder *mb, MonoMethodSignature *invoke_sig, MonoMarshalSpec **mspecs, EmitMarshalContext* m, MonoMethod *method, uint32_t target_handle)
9159 MonoMethodSignature *sig, *csig;
9165 /* we first do all conversions */
9166 for (i = 0; i < sig->param_count; i ++) {
9167 MonoType *t = sig->params [i];
9170 case MONO_TYPE_OBJECT:
9171 case MONO_TYPE_CLASS:
9172 case MONO_TYPE_VALUETYPE:
9173 case MONO_TYPE_ARRAY:
9174 case MONO_TYPE_SZARRAY:
9175 case MONO_TYPE_STRING:
9176 case MONO_TYPE_BOOLEAN:
9177 emit_marshal (m, i, sig->params [i], mspecs [i + 1], 0, &csig->params [i], MARSHAL_ACTION_MANAGED_CONV_IN);
9181 MonoMethodSignature *sig, *csig;
9183 gboolean closed = FALSE;
9188 /* allocate local 0 (pointer) src_ptr */
9189 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9190 /* allocate local 1 (pointer) dst_ptr */
9191 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9192 /* allocate local 2 (boolean) delete_old */
9193 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
9195 if (!sig->hasthis && sig->param_count != invoke_sig->param_count) {
9196 /* Closed delegate */
9197 g_assert (sig->param_count == invoke_sig->param_count + 1);
9199 /* Use a new signature without the first argument */
9200 sig = mono_metadata_signature_dup (sig);
9201 memmove (&sig->params [0], &sig->params [1], (sig->param_count - 1) * sizeof (MonoType*));
9202 sig->param_count --;
9205 if (!MONO_TYPE_IS_VOID(sig->ret)) {
9206 /* allocate local 3 to store the return value */
9207 mono_mb_add_local (mb, sig->ret);
9210 mono_mb_emit_icon (mb, 0);
9211 mono_mb_emit_stloc (mb, 2);
9214 * Might need to attach the thread to the JIT or change the
9215 * domain for the callback.
9217 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
9218 mono_mb_emit_byte (mb, CEE_MONO_JIT_ATTACH);
9220 /* we first do all conversions */
9221 tmp_locals = alloca (sizeof (int) * sig->param_count);
9222 for (i = 0; i < sig->param_count; i ++) {
9223 MonoType *t = sig->params [i];
9226 case MONO_TYPE_OBJECT:
9227 case MONO_TYPE_CLASS:
9228 case MONO_TYPE_VALUETYPE:
9229 case MONO_TYPE_ARRAY:
9230 case MONO_TYPE_SZARRAY:
9231 case MONO_TYPE_STRING:
9232 case MONO_TYPE_BOOLEAN:
9233 tmp_locals [i] = emit_marshal (m, i, sig->params [i], mspecs [i + 1], 0, &csig->params [i], MARSHAL_ACTION_MANAGED_CONV_IN);
9242 emit_thread_interrupt_checkpoint (mb);
9245 if (target_handle) {
9246 mono_mb_emit_icon (mb, (gint32)target_handle);
9247 mono_mb_emit_icall (mb, mono_gchandle_get_target);
9250 g_assert_not_reached ();
9252 } else if (closed) {
9253 mono_mb_emit_icon (mb, (gint32)target_handle);
9254 mono_mb_emit_icall (mb, mono_gchandle_get_target);
9257 for (i = 0; i < sig->param_count; i++) {
9258 MonoType *t = sig->params [i];
9260 if (tmp_locals [i]) {
9262 mono_mb_emit_ldloc_addr (mb, tmp_locals [i]);
9264 mono_mb_emit_ldloc (mb, tmp_locals [i]);
9267 mono_mb_emit_ldarg (mb, i);
9270 mono_mb_emit_managed_call (mb, method, NULL);
9272 if (mspecs [0] && mspecs [0]->native == MONO_NATIVE_CUSTOM) {
9273 emit_marshal (m, 0, sig->ret, mspecs [0], 0, NULL, MARSHAL_ACTION_MANAGED_CONV_RESULT);
9274 } else if (!sig->ret->byref) {
9275 switch (sig->ret->type) {
9276 case MONO_TYPE_VOID:
9278 case MONO_TYPE_BOOLEAN:
9281 case MONO_TYPE_CHAR:
9293 case MONO_TYPE_OBJECT:
9294 mono_mb_emit_stloc (mb, 3);
9296 case MONO_TYPE_STRING:
9297 csig->ret = &mono_defaults.int_class->byval_arg;
9298 emit_marshal (m, 0, sig->ret, mspecs [0], 0, NULL, MARSHAL_ACTION_MANAGED_CONV_RESULT);
9300 case MONO_TYPE_VALUETYPE:
9301 case MONO_TYPE_CLASS:
9302 case MONO_TYPE_SZARRAY:
9303 emit_marshal (m, 0, sig->ret, mspecs [0], 0, NULL, MARSHAL_ACTION_MANAGED_CONV_RESULT);
9306 g_warning ("return type 0x%02x unknown", sig->ret->type);
9307 g_assert_not_reached ();
9310 mono_mb_emit_stloc (mb, 3);
9313 /* Convert byref arguments back */
9314 for (i = 0; i < sig->param_count; i ++) {
9315 MonoType *t = sig->params [i];
9316 MonoMarshalSpec *spec = mspecs [i + 1];
9318 if (spec && spec->native == MONO_NATIVE_CUSTOM) {
9319 emit_marshal (m, i, t, mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_MANAGED_CONV_OUT);
9321 else if (t->byref) {
9323 case MONO_TYPE_CLASS:
9324 case MONO_TYPE_VALUETYPE:
9325 case MONO_TYPE_OBJECT:
9326 case MONO_TYPE_STRING:
9327 case MONO_TYPE_BOOLEAN:
9328 emit_marshal (m, i, t, mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_MANAGED_CONV_OUT);
9332 else if (invoke_sig->params [i]->attrs & PARAM_ATTRIBUTE_OUT) {
9333 /* The [Out] information is encoded in the delegate signature */
9335 case MONO_TYPE_SZARRAY:
9336 case MONO_TYPE_CLASS:
9337 case MONO_TYPE_VALUETYPE:
9338 emit_marshal (m, i, invoke_sig->params [i], mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_MANAGED_CONV_OUT);
9341 g_assert_not_reached ();
9346 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
9347 mono_mb_emit_byte (mb, CEE_MONO_JIT_DETACH);
9349 if (m->retobj_var) {
9350 mono_mb_emit_ldloc (mb, m->retobj_var);
9351 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
9352 mono_mb_emit_op (mb, CEE_MONO_RETOBJ, m->retobj_class);
9355 if (!MONO_TYPE_IS_VOID(sig->ret))
9356 mono_mb_emit_ldloc (mb, 3);
9357 mono_mb_emit_byte (mb, CEE_RET);
9366 mono_marshal_set_callconv_from_modopt (MonoMethod *method, MonoMethodSignature *csig)
9368 MonoMethodSignature *sig;
9373 * Under windows, delegates passed to native code must use the STDCALL
9374 * calling convention.
9376 csig->call_convention = MONO_CALL_STDCALL;
9379 sig = mono_method_signature (method);
9381 /* Change default calling convention if needed */
9382 /* Why is this a modopt ? */
9383 if (sig->ret && sig->ret->num_mods) {
9384 for (i = 0; i < sig->ret->num_mods; ++i) {
9385 MonoClass *cmod_class = mono_class_get (method->klass->image, sig->ret->modifiers [i].token);
9386 g_assert (cmod_class);
9387 if ((cmod_class->image == mono_defaults.corlib) && !strcmp (cmod_class->name_space, "System.Runtime.CompilerServices")) {
9388 if (!strcmp (cmod_class->name, "CallConvCdecl"))
9389 csig->call_convention = MONO_CALL_C;
9390 else if (!strcmp (cmod_class->name, "CallConvStdcall"))
9391 csig->call_convention = MONO_CALL_STDCALL;
9392 else if (!strcmp (cmod_class->name, "CallConvFastcall"))
9393 csig->call_convention = MONO_CALL_FASTCALL;
9394 else if (!strcmp (cmod_class->name, "CallConvThiscall"))
9395 csig->call_convention = MONO_CALL_THISCALL;
9402 * generates IL code to call managed methods from unmanaged code
9403 * If target_handle==0, the wrapper info will be a WrapperInfo structure.
9406 mono_marshal_get_managed_wrapper (MonoMethod *method, MonoClass *delegate_klass, uint32_t target_handle)
9408 static MonoClass *UnmanagedFunctionPointerAttribute;
9409 MonoMethodSignature *sig, *csig, *invoke_sig;
9410 MonoMethodBuilder *mb;
9411 MonoMethod *res, *invoke;
9412 MonoMarshalSpec **mspecs;
9413 MonoMethodPInvoke piinfo;
9416 EmitMarshalContext m;
9418 g_assert (method != NULL);
9419 g_assert (!mono_method_signature (method)->pinvoke);
9422 * FIXME: Should cache the method+delegate type pair, since the same method
9423 * could be called with different delegates, thus different marshalling
9426 cache = get_cache (&method->klass->image->managed_wrapper_cache, mono_aligned_addr_hash, NULL);
9427 if (!target_handle && (res = mono_marshal_find_in_cache (cache, method)))
9430 invoke = mono_get_delegate_invoke (delegate_klass);
9431 invoke_sig = mono_method_signature (invoke);
9433 mspecs = g_new0 (MonoMarshalSpec*, mono_method_signature (invoke)->param_count + 1);
9434 mono_method_get_marshal_info (invoke, mspecs);
9436 sig = mono_method_signature (method);
9438 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_NATIVE_TO_MANAGED);
9440 /*the target gchandle must be the first entry after size and the wrapper itself.*/
9441 mono_mb_add_data (mb, GUINT_TO_POINTER (target_handle));
9443 /* we copy the signature, so that we can modify it */
9445 /* Need to free this later */
9446 csig = mono_metadata_signature_dup (invoke_sig);
9448 csig = signature_dup (method->klass->image, invoke_sig);
9457 m.image = method->klass->image;
9459 mono_marshal_set_callconv_from_modopt (invoke, csig);
9461 /* Handle the UnmanagedFunctionPointerAttribute */
9462 if (!UnmanagedFunctionPointerAttribute)
9463 UnmanagedFunctionPointerAttribute = mono_class_from_name (mono_defaults.corlib, "System.Runtime.InteropServices", "UnmanagedFunctionPointerAttribute");
9465 /* The attribute is only available in Net 2.0 */
9466 if (UnmanagedFunctionPointerAttribute) {
9467 MonoCustomAttrInfo *cinfo;
9468 MonoCustomAttrEntry *attr;
9471 * The pinvoke attributes are stored in a real custom attribute. Obtain the
9472 * contents of the attribute without constructing it, as that might not be
9473 * possible when running in cross-compiling mode.
9475 cinfo = mono_custom_attrs_from_class (delegate_klass);
9478 for (i = 0; i < cinfo->num_attrs; ++i) {
9479 MonoClass *ctor_class = cinfo->attrs [i].ctor->klass;
9480 if (mono_class_has_parent (ctor_class, UnmanagedFunctionPointerAttribute)) {
9481 attr = &cinfo->attrs [i];
9487 MonoArray *typed_args, *named_args;
9488 CattrNamedArg *arginfo;
9492 MonoBoolean set_last_error = 0;
9493 MonoBoolean best_fit_mapping = 0;
9494 MonoBoolean throw_on_unmappable = 0;
9497 mono_reflection_create_custom_attr_data_args (mono_defaults.corlib, attr->ctor, attr->data, attr->data_size, &typed_args, &named_args, &arginfo, &error);
9498 g_assert (mono_error_ok (&error));
9499 g_assert (mono_array_length (typed_args) == 1);
9502 o = mono_array_get (typed_args, MonoObject*, 0);
9503 call_conv = *(gint32*)mono_object_unbox (o);
9506 for (i = 0; i < mono_array_length (named_args); ++i) {
9507 CattrNamedArg *narg = &arginfo [i];
9509 o = mono_array_get (named_args, MonoObject*, i);
9511 g_assert (narg->field);
9512 if (!strcmp (narg->field->name, "CharSet")) {
9513 charset = *(gint32*)mono_object_unbox (o);
9514 } else if (!strcmp (narg->field->name, "SetLastError")) {
9515 set_last_error = *(MonoBoolean*)mono_object_unbox (o);
9516 } else if (!strcmp (narg->field->name, "BestFitMapping")) {
9517 best_fit_mapping = *(MonoBoolean*)mono_object_unbox (o);
9518 } else if (!strcmp (narg->field->name, "ThrowOnUnmappableChar")) {
9519 throw_on_unmappable = *(MonoBoolean*)mono_object_unbox (o);
9521 g_assert_not_reached ();
9527 memset (&piinfo, 0, sizeof (piinfo));
9529 piinfo.piflags = (call_conv << 8) | (charset ? (charset - 1) * 2 : 1) | set_last_error;
9531 csig->call_convention = call_conv - 1;
9534 if (cinfo && !cinfo->cached)
9535 mono_custom_attrs_free (cinfo);
9538 mono_marshal_emit_managed_wrapper (mb, invoke_sig, mspecs, &m, method, target_handle);
9540 if (!target_handle) {
9543 res = mono_mb_create_and_cache (cache, method,
9544 mb, csig, sig->param_count + 16);
9545 // FIXME: Associate it with the method+delegate_klass pair
9546 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_NONE);
9547 info->d.native_to_managed.method = method;
9548 info->d.native_to_managed.klass = delegate_klass;
9549 mono_marshal_set_wrapper_info (res, info);
9554 res = mono_mb_create_method (mb, csig, sig->param_count + 16);
9558 for (i = mono_method_signature (invoke)->param_count; i >= 0; i--)
9560 mono_metadata_free_marshal_spec (mspecs [i]);
9563 /* code_for (res); */
9569 mono_marshal_get_vtfixup_ftnptr (MonoImage *image, guint32 token, guint16 type)
9572 MonoMethodSignature *sig;
9573 MonoMethodBuilder *mb;
9578 method = mono_get_method (image, token, NULL);
9581 if (type & (VTFIXUP_TYPE_FROM_UNMANAGED | VTFIXUP_TYPE_FROM_UNMANAGED_RETAIN_APPDOMAIN)) {
9582 MonoMethodSignature *csig;
9583 MonoMarshalSpec **mspecs;
9584 EmitMarshalContext m;
9586 sig = mono_method_signature (method);
9587 g_assert (!sig->hasthis);
9589 mspecs = g_new0 (MonoMarshalSpec*, sig->param_count + 1);
9590 mono_method_get_marshal_info (method, mspecs);
9592 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_NATIVE_TO_MANAGED);
9593 csig = signature_dup (image, sig);
9604 mono_marshal_set_callconv_from_modopt (method, csig);
9606 /* FIXME: Implement VTFIXUP_TYPE_FROM_UNMANAGED_RETAIN_APPDOMAIN. */
9608 mono_marshal_emit_managed_wrapper (mb, sig, mspecs, &m, method, 0);
9613 method = mono_mb_create_method (mb, csig, sig->param_count + 16);
9616 for (i = sig->param_count; i >= 0; i--)
9618 mono_metadata_free_marshal_spec (mspecs [i]);
9621 return mono_compile_method (method);
9624 sig = mono_method_signature (method);
9625 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_MANAGED_TO_MANAGED);
9628 param_count = sig->param_count + sig->hasthis;
9629 for (i = 0; i < param_count; i++)
9630 mono_mb_emit_ldarg (mb, i);
9632 if (type & VTFIXUP_TYPE_CALL_MOST_DERIVED)
9633 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
9635 mono_mb_emit_op (mb, CEE_CALL, method);
9636 mono_mb_emit_byte (mb, CEE_RET);
9641 method = mono_mb_create_method (mb, sig, param_count);
9644 return mono_compile_method (method);
9647 static MonoReflectionType *
9648 type_from_handle (MonoType *handle)
9650 MonoDomain *domain = mono_domain_get ();
9651 MonoClass *klass = mono_class_from_mono_type (handle);
9653 MONO_ARCH_SAVE_REGS;
9655 mono_class_init (klass);
9656 return mono_type_get_object (domain, handle);
9660 * This does the equivalent of mono_object_castclass_with_cache.
9661 * The wrapper info for the wrapper is a WrapperInfo structure.
9664 mono_marshal_get_castclass_with_cache (void)
9666 static MonoMethod *cached;
9668 MonoMethodBuilder *mb;
9669 MonoMethodSignature *sig;
9670 int return_null_pos, cache_miss_pos, invalid_cast_pos;
9676 mb = mono_mb_new (mono_defaults.object_class, "__castclass_with_cache", MONO_WRAPPER_CASTCLASS);
9677 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
9678 sig->params [0] = &mono_defaults.object_class->byval_arg;
9679 sig->params [1] = &mono_defaults.int_class->byval_arg;
9680 sig->params [2] = &mono_defaults.int_class->byval_arg;
9681 sig->ret = &mono_defaults.object_class->byval_arg;
9685 /* allocate local 0 (pointer) obj_vtable */
9686 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9689 mono_mb_emit_ldarg (mb, 0);
9690 return_null_pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
9692 /*obj_vtable = obj->vtable;*/
9693 mono_mb_emit_ldarg (mb, 0);
9694 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
9695 mono_mb_emit_byte (mb, CEE_LDIND_I);
9696 mono_mb_emit_stloc (mb, 0);
9699 mono_mb_emit_ldarg (mb, 2);
9700 mono_mb_emit_byte (mb, CEE_LDIND_I);
9701 mono_mb_emit_ldloc (mb, 0);
9703 /*if (*cache == obj_vtable)*/
9704 cache_miss_pos = mono_mb_emit_branch (mb, CEE_BNE_UN);
9707 mono_mb_emit_ldarg (mb, 0);
9708 mono_mb_emit_byte (mb, CEE_RET);
9710 mono_mb_patch_branch (mb, cache_miss_pos);
9711 /*if (mono_object_isinst (obj, klass)) */
9712 mono_mb_emit_ldarg (mb, 0);
9713 mono_mb_emit_ldarg (mb, 1);
9714 mono_mb_emit_icall (mb, mono_object_isinst);
9715 invalid_cast_pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
9717 /**cache = obj_vtable;*/
9718 mono_mb_emit_ldarg (mb, 2);
9719 mono_mb_emit_ldloc (mb, 0);
9720 mono_mb_emit_byte (mb, CEE_STIND_I);
9723 mono_mb_emit_ldarg (mb, 0);
9724 mono_mb_emit_byte (mb, CEE_RET);
9727 mono_mb_patch_branch (mb, invalid_cast_pos);
9728 mono_mb_emit_exception (mb, "InvalidCastException", NULL);
9731 mono_mb_patch_branch (mb, return_null_pos);
9732 mono_mb_emit_byte (mb, CEE_LDNULL);
9733 mono_mb_emit_byte (mb, CEE_RET);
9734 #endif /* DISABLE_JIT */
9736 res = mono_mb_create_method (mb, sig, 8);
9737 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_CASTCLASS_WITH_CACHE);
9738 mono_marshal_set_wrapper_info (res, info);
9741 if (InterlockedCompareExchangePointer ((volatile gpointer *)&cached, res, NULL)) {
9742 mono_free_method (res);
9743 mono_metadata_free_method_signature (sig);
9751 * This does the equivalent of mono_object_isinst_with_cache.
9752 * The wrapper info for the wrapper is a WrapperInfo structure.
9755 mono_marshal_get_isinst_with_cache (void)
9757 static MonoMethod *cached;
9759 MonoMethodBuilder *mb;
9760 MonoMethodSignature *sig;
9761 int return_null_pos, cache_miss_pos, cache_hit_pos, not_an_instance_pos, negative_cache_hit_pos;
9767 mb = mono_mb_new (mono_defaults.object_class, "__isinst_with_cache", MONO_WRAPPER_CASTCLASS);
9768 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
9769 sig->params [0] = &mono_defaults.object_class->byval_arg;
9770 sig->params [1] = &mono_defaults.int_class->byval_arg;
9771 sig->params [2] = &mono_defaults.int_class->byval_arg;
9772 sig->ret = &mono_defaults.object_class->byval_arg;
9776 /* allocate local 0 (pointer) obj_vtable */
9777 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9778 /* allocate local 1 (pointer) cached_vtable */
9779 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9782 mono_mb_emit_ldarg (mb, 0);
9783 return_null_pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
9785 /*obj_vtable = obj->vtable;*/
9786 mono_mb_emit_ldarg (mb, 0);
9787 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
9788 mono_mb_emit_byte (mb, CEE_LDIND_I);
9789 mono_mb_emit_stloc (mb, 0);
9791 /* cached_vtable = *cache*/
9792 mono_mb_emit_ldarg (mb, 2);
9793 mono_mb_emit_byte (mb, CEE_LDIND_I);
9794 mono_mb_emit_stloc (mb, 1);
9796 mono_mb_emit_ldloc (mb, 1);
9797 mono_mb_emit_byte (mb, CEE_LDC_I4);
9798 mono_mb_emit_i4 (mb, ~0x1);
9799 mono_mb_emit_byte (mb, CEE_CONV_U);
9800 mono_mb_emit_byte (mb, CEE_AND);
9801 mono_mb_emit_ldloc (mb, 0);
9802 /*if ((cached_vtable & ~0x1)== obj_vtable)*/
9803 cache_miss_pos = mono_mb_emit_branch (mb, CEE_BNE_UN);
9805 /*return (cached_vtable & 0x1) ? NULL : obj;*/
9806 mono_mb_emit_ldloc (mb, 1);
9807 mono_mb_emit_byte(mb, CEE_LDC_I4_1);
9808 mono_mb_emit_byte (mb, CEE_CONV_U);
9809 mono_mb_emit_byte (mb, CEE_AND);
9810 negative_cache_hit_pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
9813 mono_mb_emit_ldarg (mb, 0);
9814 cache_hit_pos = mono_mb_emit_branch (mb, CEE_BR);
9817 mono_mb_patch_branch (mb, negative_cache_hit_pos);
9818 mono_mb_emit_byte (mb, CEE_LDNULL);
9820 mono_mb_patch_branch (mb, cache_hit_pos);
9821 mono_mb_emit_byte (mb, CEE_RET);
9823 mono_mb_patch_branch (mb, cache_miss_pos);
9824 /*if (mono_object_isinst (obj, klass)) */
9825 mono_mb_emit_ldarg (mb, 0);
9826 mono_mb_emit_ldarg (mb, 1);
9827 mono_mb_emit_icall (mb, mono_object_isinst);
9828 not_an_instance_pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
9830 /**cache = obj_vtable;*/
9831 mono_mb_emit_ldarg (mb, 2);
9832 mono_mb_emit_ldloc (mb, 0);
9833 mono_mb_emit_byte (mb, CEE_STIND_I);
9836 mono_mb_emit_ldarg (mb, 0);
9837 mono_mb_emit_byte (mb, CEE_RET);
9840 mono_mb_patch_branch (mb, not_an_instance_pos);
9841 /* *cache = (gpointer)(obj_vtable | 0x1);*/
9842 mono_mb_emit_ldarg (mb, 2);
9843 /*obj_vtable | 0x1*/
9844 mono_mb_emit_ldloc (mb, 0);
9845 mono_mb_emit_byte(mb, CEE_LDC_I4_1);
9846 mono_mb_emit_byte (mb, CEE_CONV_U);
9847 mono_mb_emit_byte (mb, CEE_OR);
9850 mono_mb_emit_byte (mb, CEE_STIND_I);
9853 mono_mb_patch_branch (mb, return_null_pos);
9854 mono_mb_emit_byte (mb, CEE_LDNULL);
9855 mono_mb_emit_byte (mb, CEE_RET);
9858 res = mono_mb_create_method (mb, sig, 8);
9859 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_ISINST_WITH_CACHE);
9860 mono_marshal_set_wrapper_info (res, info);
9863 if (InterlockedCompareExchangePointer ((volatile gpointer *)&cached, res, NULL)) {
9864 mono_free_method (res);
9865 mono_metadata_free_method_signature (sig);
9873 * mono_marshal_get_isinst:
9874 * @klass: the type of the field
9876 * This method generates a function which can be used to check if an object is
9877 * an instance of the given type, icluding the case where the object is a proxy.
9878 * The generated function has the following signature:
9879 * MonoObject* __isinst_wrapper_ (MonoObject *obj)
9882 mono_marshal_get_isinst (MonoClass *klass)
9884 static MonoMethodSignature *isint_sig = NULL;
9887 int pos_was_ok, pos_end;
9888 #ifndef DISABLE_REMOTING
9889 int pos_end2, pos_failed;
9892 MonoMethodBuilder *mb;
9894 cache = get_cache (&klass->image->isinst_cache, mono_aligned_addr_hash, NULL);
9895 if ((res = mono_marshal_find_in_cache (cache, klass)))
9899 isint_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
9900 isint_sig->params [0] = &mono_defaults.object_class->byval_arg;
9901 isint_sig->ret = &mono_defaults.object_class->byval_arg;
9902 isint_sig->pinvoke = 0;
9905 name = g_strdup_printf ("__isinst_wrapper_%s", klass->name);
9906 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_ISINST);
9909 mb->method->save_lmf = 1;
9912 /* check if the object is a proxy that needs special cast */
9913 mono_mb_emit_ldarg (mb, 0);
9914 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
9915 mono_mb_emit_op (mb, CEE_MONO_CISINST, klass);
9917 /* The result of MONO_CISINST can be:
9918 0) the type check succeeded
9919 1) the type check did not succeed
9920 2) a CanCastTo call is needed */
9921 #ifndef DISABLE_REMOTING
9922 mono_mb_emit_byte (mb, CEE_DUP);
9923 pos_was_ok = mono_mb_emit_branch (mb, CEE_BRFALSE);
9925 mono_mb_emit_byte (mb, CEE_LDC_I4_2);
9926 pos_failed = mono_mb_emit_branch (mb, CEE_BNE_UN);
9928 /* get the real proxy from the transparent proxy*/
9930 mono_mb_emit_ldarg (mb, 0);
9931 mono_mb_emit_managed_call (mb, mono_marshal_get_proxy_cancast (klass), NULL);
9932 pos_end = mono_mb_emit_branch (mb, CEE_BR);
9936 mono_mb_patch_branch (mb, pos_failed);
9937 mono_mb_emit_byte (mb, CEE_LDNULL);
9938 pos_end2 = mono_mb_emit_branch (mb, CEE_BR);
9942 mono_mb_patch_branch (mb, pos_was_ok);
9943 mono_mb_emit_byte (mb, CEE_POP);
9944 mono_mb_emit_ldarg (mb, 0);
9948 mono_mb_patch_branch (mb, pos_end);
9949 mono_mb_patch_branch (mb, pos_end2);
9950 mono_mb_emit_byte (mb, CEE_RET);
9952 pos_was_ok = mono_mb_emit_branch (mb, CEE_BRFALSE);
9956 mono_mb_emit_byte (mb, CEE_LDNULL);
9957 pos_end = mono_mb_emit_branch (mb, CEE_BR);
9961 mono_mb_patch_branch (mb, pos_was_ok);
9962 mono_mb_emit_ldarg (mb, 0);
9966 mono_mb_patch_branch (mb, pos_end);
9967 mono_mb_emit_byte (mb, CEE_RET);
9968 #endif /* DISABLE_REMOTING */
9969 #endif /* DISABLE_JIT */
9971 res = mono_mb_create_and_cache (cache, klass, mb, isint_sig, isint_sig->param_count + 16);
9978 * mono_marshal_get_castclass:
9979 * @klass: the type of the field
9981 * This method generates a function which can be used to cast an object to
9982 * an instance of the given type, icluding the case where the object is a proxy.
9983 * The generated function has the following signature:
9984 * MonoObject* __castclass_wrapper_ (MonoObject *obj)
9985 * The wrapper info for the wrapper is a WrapperInfo structure.
9988 mono_marshal_get_castclass (MonoClass *klass)
9990 static MonoMethodSignature *castclass_sig = NULL;
9993 #ifndef DISABLE_REMOTING
9994 int pos_was_ok, pos_was_ok2;
9997 MonoMethodBuilder *mb;
10000 cache = get_cache (&klass->image->castclass_cache, mono_aligned_addr_hash, NULL);
10001 if ((res = mono_marshal_find_in_cache (cache, klass)))
10004 if (!castclass_sig) {
10005 castclass_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
10006 castclass_sig->params [0] = &mono_defaults.object_class->byval_arg;
10007 castclass_sig->ret = &mono_defaults.object_class->byval_arg;
10008 castclass_sig->pinvoke = 0;
10011 name = g_strdup_printf ("__castclass_wrapper_%s", klass->name);
10012 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_CASTCLASS);
10015 mb->method->save_lmf = 1;
10017 #ifndef DISABLE_JIT
10018 /* check if the object is a proxy that needs special cast */
10019 mono_mb_emit_ldarg (mb, 0);
10020 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
10021 mono_mb_emit_op (mb, CEE_MONO_CCASTCLASS, klass);
10023 /* The result of MONO_CCASTCLASS can be:
10024 0) the cast is valid
10025 1) cast of unknown proxy type
10026 or an exception if the cast is is invalid
10028 #ifndef DISABLE_REMOTING
10029 pos_was_ok = mono_mb_emit_branch (mb, CEE_BRFALSE);
10031 /* get the real proxy from the transparent proxy*/
10033 mono_mb_emit_ldarg (mb, 0);
10034 mono_mb_emit_managed_call (mb, mono_marshal_get_proxy_cancast (klass), NULL);
10035 pos_was_ok2 = mono_mb_emit_branch (mb, CEE_BRTRUE);
10038 mono_mb_emit_exception (mb, "InvalidCastException", NULL);
10041 mono_mb_patch_branch (mb, pos_was_ok);
10042 mono_mb_patch_branch (mb, pos_was_ok2);
10044 /* MONO_CCASTCLASS leaves an int in the stack with the result, pop it. */
10045 mono_mb_emit_byte (mb, CEE_POP);
10046 #endif /* DISABLE_REMOTING */
10048 mono_mb_emit_ldarg (mb, 0);
10051 mono_mb_emit_byte (mb, CEE_RET);
10052 #endif /* DISABLE_JIT */
10054 res = mono_mb_create_and_cache (cache, klass, mb, castclass_sig, castclass_sig->param_count + 16);
10057 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_NONE);
10058 mono_marshal_set_wrapper_info (res, info);
10063 #ifndef DISABLE_REMOTING
10065 mono_marshal_get_proxy_cancast (MonoClass *klass)
10067 static MonoMethodSignature *isint_sig = NULL;
10070 int pos_failed, pos_end;
10071 char *name, *klass_name;
10072 MonoMethod *can_cast_to;
10073 MonoMethodDesc *desc;
10074 MonoMethodBuilder *mb;
10076 cache = get_cache (&klass->image->proxy_isinst_cache, mono_aligned_addr_hash, NULL);
10077 if ((res = mono_marshal_find_in_cache (cache, klass)))
10081 isint_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
10082 isint_sig->params [0] = &mono_defaults.object_class->byval_arg;
10083 isint_sig->ret = &mono_defaults.object_class->byval_arg;
10084 isint_sig->pinvoke = 0;
10087 klass_name = mono_type_full_name (&klass->byval_arg);
10088 name = g_strdup_printf ("__proxy_isinst_wrapper_%s", klass_name);
10089 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_PROXY_ISINST);
10090 g_free (klass_name);
10093 mb->method->save_lmf = 1;
10095 #ifndef DISABLE_JIT
10096 /* get the real proxy from the transparent proxy*/
10097 mono_mb_emit_ldarg (mb, 0);
10098 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
10099 mono_mb_emit_byte (mb, CEE_LDIND_REF);
10101 /* get the reflection type from the type handle */
10102 mono_mb_emit_ptr (mb, &klass->byval_arg);
10103 mono_mb_emit_icall (mb, type_from_handle);
10105 mono_mb_emit_ldarg (mb, 0);
10107 /* make the call to CanCastTo (type, ob) */
10108 desc = mono_method_desc_new ("IRemotingTypeInfo:CanCastTo", FALSE);
10109 can_cast_to = mono_method_desc_search_in_class (desc, mono_defaults.iremotingtypeinfo_class);
10110 g_assert (can_cast_to);
10111 mono_method_desc_free (desc);
10112 mono_mb_emit_op (mb, CEE_CALLVIRT, can_cast_to);
10114 pos_failed = mono_mb_emit_branch (mb, CEE_BRFALSE);
10116 /* Upgrade the proxy vtable by calling: mono_upgrade_remote_class_wrapper (type, ob)*/
10117 mono_mb_emit_ptr (mb, &klass->byval_arg);
10118 mono_mb_emit_icall (mb, type_from_handle);
10119 mono_mb_emit_ldarg (mb, 0);
10121 mono_mb_emit_icall (mb, mono_upgrade_remote_class_wrapper);
10122 emit_thread_interrupt_checkpoint (mb);
10124 mono_mb_emit_ldarg (mb, 0);
10125 pos_end = mono_mb_emit_branch (mb, CEE_BR);
10129 mono_mb_patch_branch (mb, pos_failed);
10130 mono_mb_emit_byte (mb, CEE_LDNULL);
10134 mono_mb_patch_branch (mb, pos_end);
10135 mono_mb_emit_byte (mb, CEE_RET);
10138 res = mono_mb_create_and_cache (cache, klass, mb, isint_sig, isint_sig->param_count + 16);
10145 mono_upgrade_remote_class_wrapper (MonoReflectionType *rtype, MonoTransparentProxy *tproxy)
10148 MonoDomain *domain = ((MonoObject*)tproxy)->vtable->domain;
10149 klass = mono_class_from_mono_type (rtype->type);
10150 mono_upgrade_remote_class (domain, (MonoObject*)tproxy, klass);
10152 #endif /*DISABLE_REMOTING */
10155 * mono_marshal_get_struct_to_ptr:
10158 * generates IL code for StructureToPtr (object structure, IntPtr ptr, bool fDeleteOld)
10159 * The wrapper info for the wrapper is a WrapperInfo structure.
10162 mono_marshal_get_struct_to_ptr (MonoClass *klass)
10164 MonoMethodBuilder *mb;
10165 static MonoMethod *stoptr = NULL;
10169 g_assert (klass != NULL);
10171 mono_marshal_load_type_info (klass);
10173 if (klass->marshal_info->str_to_ptr)
10174 return klass->marshal_info->str_to_ptr;
10177 stoptr = mono_class_get_method_from_name (mono_defaults.marshal_class, "StructureToPtr", 3);
10180 mb = mono_mb_new (klass, stoptr->name, MONO_WRAPPER_UNKNOWN);
10182 #ifndef DISABLE_JIT
10183 if (klass->blittable) {
10184 mono_mb_emit_byte (mb, CEE_LDARG_1);
10185 mono_mb_emit_byte (mb, CEE_LDARG_0);
10186 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
10187 mono_mb_emit_icon (mb, mono_class_value_size (klass, NULL));
10188 mono_mb_emit_byte (mb, CEE_PREFIX1);
10189 mono_mb_emit_byte (mb, CEE_CPBLK);
10192 /* allocate local 0 (pointer) src_ptr */
10193 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10194 /* allocate local 1 (pointer) dst_ptr */
10195 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10196 /* allocate local 2 (boolean) delete_old */
10197 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
10198 mono_mb_emit_byte (mb, CEE_LDARG_2);
10199 mono_mb_emit_stloc (mb, 2);
10201 /* initialize src_ptr to point to the start of object data */
10202 mono_mb_emit_byte (mb, CEE_LDARG_0);
10203 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
10204 mono_mb_emit_stloc (mb, 0);
10206 /* initialize dst_ptr */
10207 mono_mb_emit_byte (mb, CEE_LDARG_1);
10208 mono_mb_emit_stloc (mb, 1);
10210 emit_struct_conv (mb, klass, FALSE);
10213 mono_mb_emit_byte (mb, CEE_RET);
10216 res = mono_mb_create_method (mb, mono_signature_no_pinvoke (stoptr), 0);
10219 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_STRUCTURE_TO_PTR);
10220 mono_marshal_set_wrapper_info (res, info);
10222 klass->marshal_info->str_to_ptr = res;
10227 * mono_marshal_get_ptr_to_struct:
10230 * generates IL code for PtrToStructure (IntPtr src, object structure)
10231 * The wrapper info for the wrapper is a WrapperInfo structure.
10234 mono_marshal_get_ptr_to_struct (MonoClass *klass)
10236 MonoMethodBuilder *mb;
10237 static MonoMethodSignature *ptostr = NULL;
10241 g_assert (klass != NULL);
10243 mono_marshal_load_type_info (klass);
10245 if (klass->marshal_info->ptr_to_str)
10246 return klass->marshal_info->ptr_to_str;
10249 MonoMethodSignature *sig;
10251 /* Create the signature corresponding to
10252 static void PtrToStructure (IntPtr ptr, object structure);
10253 defined in class/corlib/System.Runtime.InteropServices/Marshal.cs */
10254 sig = mono_create_icall_signature ("void ptr object");
10255 sig = signature_dup (mono_defaults.corlib, sig);
10257 mono_memory_barrier ();
10261 mb = mono_mb_new (klass, "PtrToStructure", MONO_WRAPPER_UNKNOWN);
10263 #ifndef DISABLE_JIT
10264 if (klass->blittable) {
10265 mono_mb_emit_byte (mb, CEE_LDARG_1);
10266 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
10267 mono_mb_emit_byte (mb, CEE_LDARG_0);
10268 mono_mb_emit_icon (mb, mono_class_value_size (klass, NULL));
10269 mono_mb_emit_byte (mb, CEE_PREFIX1);
10270 mono_mb_emit_byte (mb, CEE_CPBLK);
10273 /* allocate local 0 (pointer) src_ptr */
10274 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10275 /* allocate local 1 (pointer) dst_ptr */
10276 mono_mb_add_local (mb, &klass->this_arg);
10278 /* initialize src_ptr to point to the start of object data */
10279 mono_mb_emit_byte (mb, CEE_LDARG_0);
10280 mono_mb_emit_stloc (mb, 0);
10282 /* initialize dst_ptr */
10283 mono_mb_emit_byte (mb, CEE_LDARG_1);
10284 mono_mb_emit_op (mb, CEE_UNBOX, klass);
10285 mono_mb_emit_stloc (mb, 1);
10287 emit_struct_conv (mb, klass, TRUE);
10290 mono_mb_emit_byte (mb, CEE_RET);
10293 res = mono_mb_create_method (mb, ptostr, 0);
10296 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_PTR_TO_STRUCTURE);
10297 mono_marshal_set_wrapper_info (res, info);
10299 klass->marshal_info->ptr_to_str = res;
10304 * Return a dummy wrapper for METHOD which is called by synchronized wrappers.
10305 * This is used to avoid infinite recursion since it is hard to determine where to
10306 * replace a method with its synchronized wrapper, and where not.
10307 * The runtime should execute METHOD instead of the wrapper.
10308 * The wrapper info for the wrapper is a WrapperInfo structure.
10311 mono_marshal_get_synchronized_inner_wrapper (MonoMethod *method)
10313 MonoMethodBuilder *mb;
10315 MonoMethodSignature *sig;
10317 MonoGenericContext *ctx = NULL;
10318 MonoMethod *orig_method = NULL;
10319 MonoGenericContainer *container = NULL;
10321 if (method->is_inflated && !mono_method_get_context (method)->method_inst) {
10322 orig_method = method;
10323 ctx = &((MonoMethodInflated*)method)->context;
10324 method = ((MonoMethodInflated*)method)->declaring;
10325 container = mono_method_get_generic_container (method);
10327 container = method->klass->generic_container;
10328 g_assert (container);
10331 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_UNKNOWN);
10332 #ifndef DISABLE_JIT
10333 mono_mb_emit_exception_full (mb, "System", "ExecutionEngineException", "Shouldn't be called.");
10334 mono_mb_emit_byte (mb, CEE_RET);
10336 sig = signature_dup (method->klass->image, mono_method_signature (method));
10337 res = mono_mb_create_method (mb, sig, 0);
10339 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_SYNCHRONIZED_INNER);
10340 info->d.synchronized_inner.method = method;
10341 mono_marshal_set_wrapper_info (res, info);
10343 res = mono_class_inflate_generic_method (res, ctx);
10348 * generates IL code for the synchronized wrapper: the generated method
10349 * calls METHOD while locking 'this' or the parent type.
10352 mono_marshal_get_synchronized_wrapper (MonoMethod *method)
10354 static MonoMethod *enter_method, *exit_method, *gettypefromhandle_method;
10355 MonoMethodSignature *sig;
10356 MonoExceptionClause *clause;
10357 MonoMethodBuilder *mb;
10360 int i, pos, this_local, ret_local = 0;
10361 MonoGenericContext *ctx = NULL;
10362 MonoMethod *orig_method = NULL;
10363 MonoGenericContainer *container = NULL;
10367 if (method->wrapper_type == MONO_WRAPPER_SYNCHRONIZED)
10370 /* FIXME: Support generic methods too */
10371 if (method->is_inflated && !mono_method_get_context (method)->method_inst) {
10372 orig_method = method;
10373 ctx = &((MonoMethodInflated*)method)->context;
10374 method = ((MonoMethodInflated*)method)->declaring;
10375 container = mono_method_get_generic_container (method);
10377 container = method->klass->generic_container;
10378 g_assert (container);
10385 cache = get_cache (&method->klass->image->synchronized_generic_cache, mono_aligned_addr_hash, NULL);
10386 res = check_generic_wrapper_cache (cache, orig_method, orig_method, method);
10390 cache = get_cache (&method->klass->image->synchronized_cache, mono_aligned_addr_hash, NULL);
10391 if ((res = mono_marshal_find_in_cache (cache, method)))
10395 sig = signature_dup (method->klass->image, mono_method_signature (method));
10398 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_SYNCHRONIZED);
10400 #ifndef DISABLE_JIT
10402 if (!MONO_TYPE_IS_VOID (sig->ret))
10403 ret_local = mono_mb_add_local (mb, sig->ret);
10406 if (method->klass->valuetype && !(method->flags & MONO_METHOD_ATTR_STATIC)) {
10407 mono_class_set_failure (method->klass, MONO_EXCEPTION_TYPE_LOAD, NULL);
10408 #ifndef DISABLE_JIT
10409 /* This will throw the type load exception when the wrapper is compiled */
10410 mono_mb_emit_byte (mb, CEE_LDNULL);
10411 mono_mb_emit_op (mb, CEE_ISINST, method->klass);
10412 mono_mb_emit_byte (mb, CEE_POP);
10414 if (!MONO_TYPE_IS_VOID (sig->ret))
10415 mono_mb_emit_ldloc (mb, ret_local);
10416 mono_mb_emit_byte (mb, CEE_RET);
10419 res = mono_mb_create_and_cache (cache, method,
10420 mb, sig, sig->param_count + 16);
10426 #ifndef DISABLE_JIT
10428 this_local = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
10430 clause = mono_image_alloc0 (method->klass->image, sizeof (MonoExceptionClause));
10431 clause->flags = MONO_EXCEPTION_CLAUSE_FINALLY;
10434 mono_loader_lock ();
10436 if (!enter_method) {
10437 MonoMethodDesc *desc;
10439 desc = mono_method_desc_new ("Monitor:Enter", FALSE);
10440 enter_method = mono_method_desc_search_in_class (desc, mono_defaults.monitor_class);
10441 g_assert (enter_method);
10442 mono_method_desc_free (desc);
10444 desc = mono_method_desc_new ("Monitor:Exit", FALSE);
10445 exit_method = mono_method_desc_search_in_class (desc, mono_defaults.monitor_class);
10446 g_assert (exit_method);
10447 mono_method_desc_free (desc);
10449 desc = mono_method_desc_new ("Type:GetTypeFromHandle", FALSE);
10450 gettypefromhandle_method = mono_method_desc_search_in_class (desc, mono_defaults.monotype_class->parent);
10451 g_assert (gettypefromhandle_method);
10452 mono_method_desc_free (desc);
10455 mono_loader_unlock ();
10457 #ifndef DISABLE_JIT
10458 /* Push this or the type object */
10459 if (method->flags & METHOD_ATTRIBUTE_STATIC) {
10460 /* We have special handling for this in the JIT */
10461 int index = mono_mb_add_data (mb, method->klass);
10462 mono_mb_add_data (mb, mono_defaults.typehandle_class);
10463 mono_mb_emit_byte (mb, CEE_LDTOKEN);
10464 mono_mb_emit_i4 (mb, index);
10466 mono_mb_emit_managed_call (mb, gettypefromhandle_method, NULL);
10469 mono_mb_emit_ldarg (mb, 0);
10470 mono_mb_emit_stloc (mb, this_local);
10472 /* Call Monitor::Enter() */
10473 mono_mb_emit_ldloc (mb, this_local);
10474 mono_mb_emit_managed_call (mb, enter_method, NULL);
10476 clause->try_offset = mono_mb_get_label (mb);
10478 /* Call the method */
10480 mono_mb_emit_ldarg (mb, 0);
10481 for (i = 0; i < sig->param_count; i++)
10482 mono_mb_emit_ldarg (mb, i + (sig->hasthis == TRUE));
10485 mono_mb_emit_managed_call (mb, mono_class_inflate_generic_method (method, &container->context), NULL);
10487 mono_mb_emit_managed_call (mb, method, NULL);
10489 if (!MONO_TYPE_IS_VOID (sig->ret))
10490 mono_mb_emit_stloc (mb, ret_local);
10492 pos = mono_mb_emit_branch (mb, CEE_LEAVE);
10494 clause->try_len = mono_mb_get_pos (mb) - clause->try_offset;
10495 clause->handler_offset = mono_mb_get_label (mb);
10497 /* Call Monitor::Exit() */
10498 mono_mb_emit_ldloc (mb, this_local);
10499 mono_mb_emit_managed_call (mb, exit_method, NULL);
10500 mono_mb_emit_byte (mb, CEE_ENDFINALLY);
10502 clause->handler_len = mono_mb_get_pos (mb) - clause->handler_offset;
10504 mono_mb_patch_branch (mb, pos);
10505 if (!MONO_TYPE_IS_VOID (sig->ret))
10506 mono_mb_emit_ldloc (mb, ret_local);
10507 mono_mb_emit_byte (mb, CEE_RET);
10509 mono_mb_set_clauses (mb, 1, clause);
10514 def = mono_mb_create_and_cache (cache, method, mb, sig, sig->param_count + 16);
10515 res = cache_generic_wrapper (cache, orig_method, def, ctx, orig_method);
10517 res = mono_mb_create_and_cache (cache, method,
10518 mb, sig, sig->param_count + 16);
10527 * the returned method calls 'method' unboxing the this argument
10530 mono_marshal_get_unbox_wrapper (MonoMethod *method)
10532 MonoMethodSignature *sig = mono_method_signature (method);
10534 MonoMethodBuilder *mb;
10538 cache = get_cache (&method->klass->image->unbox_wrapper_cache, mono_aligned_addr_hash, NULL);
10539 if ((res = mono_marshal_find_in_cache (cache, method)))
10542 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_UNBOX);
10544 g_assert (sig->hasthis);
10546 #ifndef DISABLE_JIT
10547 mono_mb_emit_ldarg (mb, 0);
10548 mono_mb_emit_icon (mb, sizeof (MonoObject));
10549 mono_mb_emit_byte (mb, CEE_ADD);
10550 for (i = 0; i < sig->param_count; ++i)
10551 mono_mb_emit_ldarg (mb, i + 1);
10552 mono_mb_emit_managed_call (mb, method, NULL);
10553 mono_mb_emit_byte (mb, CEE_RET);
10556 res = mono_mb_create_and_cache (cache, method,
10557 mb, sig, sig->param_count + 16);
10560 /* code_for (res); */
10566 STELEMREF_OBJECT, /*no check at all*/
10567 STELEMREF_SEALED_CLASS, /*check vtable->klass->element_type */
10568 STELEMREF_CLASS, /*only the klass->parents check*/
10569 STELEMREF_INTERFACE, /*interfaces without variant generic arguments. */
10570 STELEMREF_COMPLEX, /*arrays, MBR or types with variant generic args - go straight to icalls*/
10571 STELEMREF_KIND_COUNT
10574 static const char *strelemref_wrapper_name[] = {
10575 "object", "sealed_class", "class", "interface", "complex"
10579 is_monomorphic_array (MonoClass *klass)
10581 MonoClass *element_class;
10582 if (klass->rank != 1)
10585 element_class = klass->element_class;
10586 return (element_class->flags & TYPE_ATTRIBUTE_SEALED) || element_class->valuetype;
10590 get_virtual_stelemref_kind (MonoClass *element_class)
10592 if (element_class == mono_defaults.object_class)
10593 return STELEMREF_OBJECT;
10594 if (is_monomorphic_array (element_class))
10595 return STELEMREF_SEALED_CLASS;
10596 /* Compressed interface bitmaps require code that is quite complex, so don't optimize for it. */
10597 if (MONO_CLASS_IS_INTERFACE (element_class) && !mono_class_has_variant_generic_params (element_class))
10598 #ifdef COMPRESSED_INTERFACE_BITMAP
10599 return STELEMREF_COMPLEX;
10601 return STELEMREF_INTERFACE;
10603 /*Arrays are sealed but are covariant on their element type, We can't use any of the fast paths.*/
10604 if (mono_class_is_marshalbyref (element_class) || element_class->rank || mono_class_has_variant_generic_params (element_class))
10605 return STELEMREF_COMPLEX;
10606 if (element_class->flags & TYPE_ATTRIBUTE_SEALED)
10607 return STELEMREF_SEALED_CLASS;
10608 return STELEMREF_CLASS;
10611 #ifndef DISABLE_JIT
10614 load_array_element_address (MonoMethodBuilder *mb)
10616 mono_mb_emit_ldarg (mb, 0);
10617 mono_mb_emit_ldarg (mb, 1);
10618 mono_mb_emit_op (mb, CEE_LDELEMA, mono_defaults.object_class);
10622 load_array_class (MonoMethodBuilder *mb, int aklass)
10624 mono_mb_emit_ldarg (mb, 0);
10625 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
10626 mono_mb_emit_byte (mb, CEE_LDIND_I);
10627 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, klass));
10628 mono_mb_emit_byte (mb, CEE_LDIND_I);
10629 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, element_class));
10630 mono_mb_emit_byte (mb, CEE_LDIND_I);
10631 mono_mb_emit_stloc (mb, aklass);
10635 load_value_class (MonoMethodBuilder *mb, int vklass)
10637 mono_mb_emit_ldarg (mb, 2);
10638 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
10639 mono_mb_emit_byte (mb, CEE_LDIND_I);
10640 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, klass));
10641 mono_mb_emit_byte (mb, CEE_LDIND_I);
10642 mono_mb_emit_stloc (mb, vklass);
10648 record_slot_vstore (MonoObject *array, size_t index, MonoObject *value)
10650 char *name = mono_type_get_full_name (array->vtable->klass->element_class);
10651 printf ("slow vstore of %s\n", name);
10657 * The wrapper info for the wrapper is a WrapperInfo structure.
10660 * - Separate simple interfaces from variant interfaces or mbr types. This way we can avoid the icall for them.
10661 * - Emit a (new) mono bytecode that produces OP_COND_EXC_NE_UN to raise ArrayTypeMismatch
10662 * - Maybe mve some MonoClass field into the vtable to reduce the number of loads
10663 * - Add a case for arrays of arrays.
10666 get_virtual_stelemref_wrapper (int kind)
10668 static MonoMethod *cached_methods [STELEMREF_KIND_COUNT] = { NULL }; /*object iface sealed regular*/
10669 static MonoMethodSignature *signature;
10670 MonoMethodBuilder *mb;
10673 const char *param_names [16];
10674 guint32 b1, b2, b3;
10675 int aklass, vklass, vtable, uiid;
10676 int array_slot_addr;
10679 if (cached_methods [kind])
10680 return cached_methods [kind];
10682 name = g_strdup_printf ("virt_stelemref_%s", strelemref_wrapper_name [kind]);
10683 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_STELEMREF);
10687 MonoMethodSignature *sig = mono_metadata_signature_alloc (mono_defaults.corlib, 2);
10689 /* void this::stelemref (size_t idx, void* value) */
10690 sig->ret = &mono_defaults.void_class->byval_arg;
10691 sig->hasthis = TRUE;
10692 sig->params [0] = &mono_defaults.int_class->byval_arg; /* this is a natural sized int */
10693 sig->params [1] = &mono_defaults.object_class->byval_arg;
10697 #ifndef DISABLE_JIT
10698 param_names [0] = "index";
10699 param_names [1] = "value";
10700 mono_mb_set_param_names (mb, param_names);
10702 /*For now simply call plain old stelemref*/
10704 case STELEMREF_OBJECT:
10705 /* ldelema (implicit bound check) */
10706 load_array_element_address (mb);
10708 mono_mb_emit_ldarg (mb, 2);
10709 mono_mb_emit_byte (mb, CEE_STIND_REF);
10710 mono_mb_emit_byte (mb, CEE_RET);
10713 case STELEMREF_COMPLEX:
10715 <ldelema (bound check)>
10718 if (!mono_object_isinst (value, aklass))
10722 *array_slot_addr = value;
10725 throw new ArrayTypeMismatchException ();
10728 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10729 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
10733 /*Use this to debug/record stores that are going thru the slow path*/
10734 MonoMethodSignature *csig;
10735 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
10736 csig->ret = &mono_defaults.void_class->byval_arg;
10737 csig->params [0] = &mono_defaults.object_class->byval_arg;
10738 csig->params [1] = &mono_defaults.int_class->byval_arg; /* this is a natural sized int */
10739 csig->params [2] = &mono_defaults.object_class->byval_arg;
10740 mono_mb_emit_ldarg (mb, 0);
10741 mono_mb_emit_ldarg (mb, 1);
10742 mono_mb_emit_ldarg (mb, 2);
10743 mono_mb_emit_native_call (mb, csig, record_slot_vstore);
10747 /* ldelema (implicit bound check) */
10748 load_array_element_address (mb);
10749 mono_mb_emit_stloc (mb, array_slot_addr);
10751 /* if (!value) goto do_store */
10752 mono_mb_emit_ldarg (mb, 2);
10753 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
10755 /* aklass = array->vtable->klass->element_class */
10756 load_array_class (mb, aklass);
10758 /*if (mono_object_isinst (value, aklass)) */
10759 mono_mb_emit_ldarg (mb, 2);
10760 mono_mb_emit_ldloc (mb, aklass);
10761 mono_mb_emit_icall (mb, mono_object_isinst);
10762 b2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
10765 mono_mb_patch_branch (mb, b1);
10766 mono_mb_emit_ldloc (mb, array_slot_addr);
10767 mono_mb_emit_ldarg (mb, 2);
10768 mono_mb_emit_byte (mb, CEE_STIND_REF);
10769 mono_mb_emit_byte (mb, CEE_RET);
10771 /* do_exception: */
10772 mono_mb_patch_branch (mb, b2);
10774 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
10777 case STELEMREF_SEALED_CLASS:
10779 <ldelema (bound check)>
10783 aklass = array->vtable->klass->element_class;
10784 vklass = value->vtable->klass;
10786 if (vklass != aklass)
10790 *array_slot_addr = value;
10793 throw new ArrayTypeMismatchException ();
10795 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10796 vklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10797 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
10800 /* ldelema (implicit bound check) */
10801 load_array_element_address (mb);
10802 mono_mb_emit_stloc (mb, array_slot_addr);
10804 /* if (!value) goto do_store */
10805 mono_mb_emit_ldarg (mb, 2);
10806 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
10808 /* aklass = array->vtable->klass->element_class */
10809 load_array_class (mb, aklass);
10811 /* vklass = value->vtable->klass */
10812 load_value_class (mb, vklass);
10814 /*if (vklass != aklass) goto do_exception; */
10815 mono_mb_emit_ldloc (mb, aklass);
10816 mono_mb_emit_ldloc (mb, vklass);
10817 b2 = mono_mb_emit_branch (mb, CEE_BNE_UN);
10820 mono_mb_patch_branch (mb, b1);
10821 mono_mb_emit_ldloc (mb, array_slot_addr);
10822 mono_mb_emit_ldarg (mb, 2);
10823 mono_mb_emit_byte (mb, CEE_STIND_REF);
10824 mono_mb_emit_byte (mb, CEE_RET);
10826 /* do_exception: */
10827 mono_mb_patch_branch (mb, b2);
10828 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
10831 case STELEMREF_CLASS:
10834 <ldelema (bound check)>
10838 aklass = array->vtable->klass->element_class;
10839 vklass = value->vtable->klass;
10841 if (vklass->idepth < aklass->idepth)
10844 if (vklass->supertypes [aklass->idepth - 1] != aklass)
10848 *array_slot_addr = value;
10852 throw new ArrayTypeMismatchException ();
10854 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10855 vklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10856 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
10858 /* ldelema (implicit bound check) */
10859 load_array_element_address (mb);
10860 mono_mb_emit_stloc (mb, array_slot_addr);
10862 /* if (!value) goto do_store */
10863 mono_mb_emit_ldarg (mb, 2);
10864 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
10866 /* aklass = array->vtable->klass->element_class */
10867 load_array_class (mb, aklass);
10869 /* vklass = value->vtable->klass */
10870 load_value_class (mb, vklass);
10872 /*if (mono_object_isinst (value, aklass)) */
10873 mono_mb_emit_ldarg (mb, 2);
10874 mono_mb_emit_ldloc (mb, aklass);
10875 mono_mb_emit_icall (mb, mono_object_isinst);
10876 b2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
10878 /* if (vklass->idepth < aklass->idepth) goto failue */
10879 mono_mb_emit_ldloc (mb, vklass);
10880 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
10881 mono_mb_emit_byte (mb, CEE_LDIND_U2);
10883 mono_mb_emit_ldloc (mb, aklass);
10884 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
10885 mono_mb_emit_byte (mb, CEE_LDIND_U2);
10887 b2 = mono_mb_emit_branch (mb, CEE_BLT_UN);
10889 /* if (vklass->supertypes [aklass->idepth - 1] != aklass) goto failure */
10890 mono_mb_emit_ldloc (mb, vklass);
10891 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, supertypes));
10892 mono_mb_emit_byte (mb, CEE_LDIND_I);
10894 mono_mb_emit_ldloc (mb, aklass);
10895 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
10896 mono_mb_emit_byte (mb, CEE_LDIND_U2);
10897 mono_mb_emit_icon (mb, 1);
10898 mono_mb_emit_byte (mb, CEE_SUB);
10899 mono_mb_emit_icon (mb, sizeof (void*));
10900 mono_mb_emit_byte (mb, CEE_MUL);
10901 mono_mb_emit_byte (mb, CEE_ADD);
10902 mono_mb_emit_byte (mb, CEE_LDIND_I);
10904 mono_mb_emit_ldloc (mb, aklass);
10905 b3 = mono_mb_emit_branch (mb, CEE_BNE_UN);
10908 mono_mb_patch_branch (mb, b1);
10909 mono_mb_emit_ldloc (mb, array_slot_addr);
10910 mono_mb_emit_ldarg (mb, 2);
10911 mono_mb_emit_byte (mb, CEE_STIND_REF);
10912 mono_mb_emit_byte (mb, CEE_RET);
10914 /* do_exception: */
10915 mono_mb_patch_branch (mb, b2);
10916 mono_mb_patch_branch (mb, b3);
10918 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
10921 case STELEMREF_INTERFACE:
10928 klass = array->obj.vtable->klass->element_class;
10929 vt = value->vtable;
10930 uiid = klass->interface_id;
10931 if (uiid > vt->max_interface_id)
10933 if (!(vt->interface_bitmap [(uiid) >> 3] & (1 << ((uiid)&7))))
10936 mono_array_setref (array, index, value);
10939 mono_raise_exception (mono_get_exception_array_type_mismatch ());*/
10941 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
10942 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10943 vtable = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10944 uiid = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
10946 /* ldelema (implicit bound check) */
10947 load_array_element_address (mb);
10948 mono_mb_emit_stloc (mb, array_slot_addr);
10950 /* if (!value) goto do_store */
10951 mono_mb_emit_ldarg (mb, 2);
10952 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
10954 /* klass = array->vtable->klass->element_class */
10955 load_array_class (mb, aklass);
10957 /* vt = value->vtable */
10958 mono_mb_emit_ldarg (mb, 2);
10959 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
10960 mono_mb_emit_byte (mb, CEE_LDIND_I);
10961 mono_mb_emit_stloc (mb, vtable);
10963 /* uiid = klass->interface_id; */
10964 mono_mb_emit_ldloc (mb, aklass);
10965 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, interface_id));
10966 mono_mb_emit_byte (mb, CEE_LDIND_U2);
10967 mono_mb_emit_stloc (mb, uiid);
10969 /*if (uiid > vt->max_interface_id)*/
10970 mono_mb_emit_ldloc (mb, uiid);
10971 mono_mb_emit_ldloc (mb, vtable);
10972 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, max_interface_id));
10973 mono_mb_emit_byte (mb, CEE_LDIND_U2);
10974 b2 = mono_mb_emit_branch (mb, CEE_BGT_UN);
10976 /* if (!(vt->interface_bitmap [(uiid) >> 3] & (1 << ((uiid)&7)))) */
10978 /*vt->interface_bitmap*/
10979 mono_mb_emit_ldloc (mb, vtable);
10980 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, interface_bitmap));
10981 mono_mb_emit_byte (mb, CEE_LDIND_I);
10984 mono_mb_emit_ldloc (mb, uiid);
10985 mono_mb_emit_icon (mb, 3);
10986 mono_mb_emit_byte (mb, CEE_SHR_UN);
10988 /*vt->interface_bitmap [(uiid) >> 3]*/
10989 mono_mb_emit_byte (mb, CEE_ADD); /*interface_bitmap is a guint8 array*/
10990 mono_mb_emit_byte (mb, CEE_LDIND_U1);
10992 /*(1 << ((uiid)&7)))*/
10993 mono_mb_emit_icon (mb, 1);
10994 mono_mb_emit_ldloc (mb, uiid);
10995 mono_mb_emit_icon (mb, 7);
10996 mono_mb_emit_byte (mb, CEE_AND);
10997 mono_mb_emit_byte (mb, CEE_SHL);
10999 /*bitwise and the whole thing*/
11000 mono_mb_emit_byte (mb, CEE_AND);
11001 b3 = mono_mb_emit_branch (mb, CEE_BRFALSE);
11004 mono_mb_patch_branch (mb, b1);
11005 mono_mb_emit_ldloc (mb, array_slot_addr);
11006 mono_mb_emit_ldarg (mb, 2);
11007 mono_mb_emit_byte (mb, CEE_STIND_REF);
11008 mono_mb_emit_byte (mb, CEE_RET);
11010 /* do_exception: */
11011 mono_mb_patch_branch (mb, b2);
11012 mono_mb_patch_branch (mb, b3);
11013 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
11017 mono_mb_emit_ldarg (mb, 0);
11018 mono_mb_emit_ldarg (mb, 1);
11019 mono_mb_emit_ldarg (mb, 2);
11020 mono_mb_emit_managed_call (mb, mono_marshal_get_stelemref (), NULL);
11021 mono_mb_emit_byte (mb, CEE_RET);
11024 #endif /* DISABLE_JIT */
11026 res = mono_mb_create_method (mb, signature, 4);
11027 res->flags |= METHOD_ATTRIBUTE_VIRTUAL;
11029 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_VIRTUAL_STELEMREF);
11030 info->d.virtual_stelemref.kind = kind;
11031 mono_marshal_set_wrapper_info (res, info);
11033 mono_marshal_lock ();
11034 if (!cached_methods [kind]) {
11035 cached_methods [kind] = res;
11036 mono_marshal_unlock ();
11038 mono_marshal_unlock ();
11039 mono_free_method (res);
11043 return cached_methods [kind];
11047 mono_marshal_get_virtual_stelemref (MonoClass *array_class)
11051 g_assert (array_class->rank == 1);
11052 kind = get_virtual_stelemref_kind (array_class->element_class);
11054 return get_virtual_stelemref_wrapper (kind);
11058 mono_marshal_get_virtual_stelemref_wrappers (int *nwrappers)
11063 *nwrappers = STELEMREF_KIND_COUNT;
11064 res = g_malloc0 (STELEMREF_KIND_COUNT * sizeof (MonoMethod*));
11065 for (i = 0; i < STELEMREF_KIND_COUNT; ++i)
11066 res [i] = get_virtual_stelemref_wrapper (i);
11071 * The wrapper info for the wrapper is a WrapperInfo structure.
11074 mono_marshal_get_stelemref ()
11076 static MonoMethod* ret = NULL;
11077 MonoMethodSignature *sig;
11078 MonoMethodBuilder *mb;
11081 guint32 b1, b2, b3, b4;
11083 int aklass, vklass;
11084 int array_slot_addr;
11089 mb = mono_mb_new (mono_defaults.object_class, "stelemref", MONO_WRAPPER_STELEMREF);
11092 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
11094 /* void stelemref (void* array, int idx, void* value) */
11095 sig->ret = &mono_defaults.void_class->byval_arg;
11096 sig->params [0] = &mono_defaults.object_class->byval_arg;
11097 sig->params [1] = &mono_defaults.int_class->byval_arg; /* this is a natural sized int */
11098 sig->params [2] = &mono_defaults.object_class->byval_arg;
11100 #ifndef DISABLE_JIT
11101 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
11102 vklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
11103 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
11107 <ldelema (bound check)>
11111 aklass = array->vtable->klass->element_class;
11112 vklass = value->vtable->klass;
11114 if (vklass->idepth < aklass->idepth)
11117 if (vklass->supertypes [aklass->idepth - 1] != aklass)
11121 *array_slot_addr = value;
11125 if (mono_object_isinst (value, aklass))
11128 throw new ArrayTypeMismatchException ();
11131 /* ldelema (implicit bound check) */
11132 mono_mb_emit_ldarg (mb, 0);
11133 mono_mb_emit_ldarg (mb, 1);
11134 mono_mb_emit_op (mb, CEE_LDELEMA, mono_defaults.object_class);
11135 mono_mb_emit_stloc (mb, array_slot_addr);
11137 /* if (!value) goto do_store */
11138 mono_mb_emit_ldarg (mb, 2);
11139 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
11141 /* aklass = array->vtable->klass->element_class */
11142 mono_mb_emit_ldarg (mb, 0);
11143 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
11144 mono_mb_emit_byte (mb, CEE_LDIND_I);
11145 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, klass));
11146 mono_mb_emit_byte (mb, CEE_LDIND_I);
11147 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, element_class));
11148 mono_mb_emit_byte (mb, CEE_LDIND_I);
11149 mono_mb_emit_stloc (mb, aklass);
11151 /* vklass = value->vtable->klass */
11152 mono_mb_emit_ldarg (mb, 2);
11153 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
11154 mono_mb_emit_byte (mb, CEE_LDIND_I);
11155 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, klass));
11156 mono_mb_emit_byte (mb, CEE_LDIND_I);
11157 mono_mb_emit_stloc (mb, vklass);
11159 /* if (vklass->idepth < aklass->idepth) goto failue */
11160 mono_mb_emit_ldloc (mb, vklass);
11161 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
11162 mono_mb_emit_byte (mb, CEE_LDIND_U2);
11164 mono_mb_emit_ldloc (mb, aklass);
11165 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
11166 mono_mb_emit_byte (mb, CEE_LDIND_U2);
11168 b2 = mono_mb_emit_branch (mb, CEE_BLT_UN);
11170 /* if (vklass->supertypes [aklass->idepth - 1] != aklass) goto failure */
11171 mono_mb_emit_ldloc (mb, vklass);
11172 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, supertypes));
11173 mono_mb_emit_byte (mb, CEE_LDIND_I);
11175 mono_mb_emit_ldloc (mb, aklass);
11176 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
11177 mono_mb_emit_byte (mb, CEE_LDIND_U2);
11178 mono_mb_emit_icon (mb, 1);
11179 mono_mb_emit_byte (mb, CEE_SUB);
11180 mono_mb_emit_icon (mb, sizeof (void*));
11181 mono_mb_emit_byte (mb, CEE_MUL);
11182 mono_mb_emit_byte (mb, CEE_ADD);
11183 mono_mb_emit_byte (mb, CEE_LDIND_I);
11185 mono_mb_emit_ldloc (mb, aklass);
11187 b3 = mono_mb_emit_branch (mb, CEE_BNE_UN);
11189 copy_pos = mono_mb_get_label (mb);
11191 mono_mb_patch_branch (mb, b1);
11192 mono_mb_emit_ldloc (mb, array_slot_addr);
11193 mono_mb_emit_ldarg (mb, 2);
11194 mono_mb_emit_byte (mb, CEE_STIND_REF);
11196 mono_mb_emit_byte (mb, CEE_RET);
11199 mono_mb_patch_branch (mb, b2);
11200 mono_mb_patch_branch (mb, b3);
11202 mono_mb_emit_ldarg (mb, 2);
11203 mono_mb_emit_ldloc (mb, aklass);
11204 mono_mb_emit_icall (mb, mono_object_isinst);
11206 b4 = mono_mb_emit_branch (mb, CEE_BRTRUE);
11207 mono_mb_patch_addr (mb, b4, copy_pos - (b4 + 4));
11208 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
11210 mono_mb_emit_byte (mb, CEE_RET);
11213 ret = mono_mb_create_method (mb, sig, 4);
11216 info = mono_wrapper_info_create (ret, WRAPPER_SUBTYPE_NONE);
11217 mono_marshal_set_wrapper_info (ret, info);
11223 * mono_marshal_get_gsharedvt_in_wrapper:
11225 * This wrapper handles calls from normal code to gsharedvt code.
11227 * The wrapper info for the wrapper is a WrapperInfo structure.
11230 mono_marshal_get_gsharedvt_in_wrapper (void)
11232 static MonoMethod* ret = NULL;
11233 MonoMethodSignature *sig;
11234 MonoMethodBuilder *mb;
11240 mb = mono_mb_new (mono_defaults.object_class, "gsharedvt_in", MONO_WRAPPER_UNKNOWN);
11242 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
11243 sig->ret = &mono_defaults.void_class->byval_arg;
11245 #ifndef DISABLE_JIT
11247 * The body is generated by the JIT, we use a wrapper instead of a trampoline so EH works.
11249 mono_mb_emit_byte (mb, CEE_RET);
11252 ret = mono_mb_create_method (mb, sig, 4);
11255 info = mono_wrapper_info_create (ret, WRAPPER_SUBTYPE_GSHAREDVT_IN);
11256 mono_marshal_set_wrapper_info (ret, info);
11262 * mono_marshal_get_gsharedvt_out_wrapper:
11264 * This wrapper handles calls from gsharedvt code to normal code.
11266 * The wrapper info for the wrapper is a WrapperInfo structure.
11269 mono_marshal_get_gsharedvt_out_wrapper (void)
11271 static MonoMethod* ret = NULL;
11272 MonoMethodSignature *sig;
11273 MonoMethodBuilder *mb;
11279 mb = mono_mb_new (mono_defaults.object_class, "gsharedvt_out", MONO_WRAPPER_UNKNOWN);
11281 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
11282 sig->ret = &mono_defaults.void_class->byval_arg;
11284 #ifndef DISABLE_JIT
11286 * The body is generated by the JIT, we use a wrapper instead of a trampoline so EH works.
11288 mono_mb_emit_byte (mb, CEE_RET);
11291 ret = mono_mb_create_method (mb, sig, 4);
11294 info = mono_wrapper_info_create (ret, WRAPPER_SUBTYPE_GSHAREDVT_OUT);
11295 mono_marshal_set_wrapper_info (ret, info);
11303 MonoMethod *method;
11306 /* LOCKING: vars accessed under the marshal lock */
11307 static ArrayElemAddr *elem_addr_cache = NULL;
11308 static int elem_addr_cache_size = 0;
11309 static int elem_addr_cache_next = 0;
11312 * mono_marshal_get_array_address:
11313 * @rank: rank of the array type
11314 * @elem_size: size in bytes of an element of an array.
11316 * Returns a MonoMethd that implements the code to get the address
11317 * of an element in a multi-dimenasional array of @rank dimensions.
11318 * The returned method takes an array as the first argument and then
11319 * @rank indexes for the @rank dimensions.
11322 mono_marshal_get_array_address (int rank, int elem_size)
11325 MonoMethodBuilder *mb;
11326 MonoMethodSignature *sig;
11327 int i, bounds, ind, realidx;
11328 int branch_pos, *branch_positions;
11332 mono_marshal_lock ();
11333 for (i = 0; i < elem_addr_cache_next; ++i) {
11334 if (elem_addr_cache [i].rank == rank && elem_addr_cache [i].elem_size == elem_size) {
11335 ret = elem_addr_cache [i].method;
11339 mono_marshal_unlock ();
11343 branch_positions = g_new0 (int, rank);
11345 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1 + rank);
11347 /* void* address (void* array, int idx0, int idx1, int idx2, ...) */
11348 sig->ret = &mono_defaults.int_class->byval_arg;
11349 sig->params [0] = &mono_defaults.object_class->byval_arg;
11350 for (i = 0; i < rank; ++i) {
11351 sig->params [i + 1] = &mono_defaults.int32_class->byval_arg;
11354 mb = mono_mb_new (mono_defaults.object_class, "ElementAddr", MONO_WRAPPER_MANAGED_TO_MANAGED);
11356 #ifndef DISABLE_JIT
11357 bounds = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
11358 ind = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
11359 realidx = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
11361 /* bounds = array->bounds; */
11362 mono_mb_emit_ldarg (mb, 0);
11363 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoArray, bounds));
11364 mono_mb_emit_byte (mb, CEE_LDIND_I);
11365 mono_mb_emit_stloc (mb, bounds);
11367 /* ind is the overall element index, realidx is the partial index in a single dimension */
11368 /* ind = idx0 - bounds [0].lower_bound */
11369 mono_mb_emit_ldarg (mb, 1);
11370 mono_mb_emit_ldloc (mb, bounds);
11371 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArrayBounds, lower_bound));
11372 mono_mb_emit_byte (mb, CEE_ADD);
11373 mono_mb_emit_byte (mb, CEE_LDIND_I4);
11374 mono_mb_emit_byte (mb, CEE_SUB);
11375 mono_mb_emit_stloc (mb, ind);
11376 /* if (ind >= bounds [0].length) goto exeception; */
11377 mono_mb_emit_ldloc (mb, ind);
11378 mono_mb_emit_ldloc (mb, bounds);
11379 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArrayBounds, length));
11380 mono_mb_emit_byte (mb, CEE_ADD);
11381 mono_mb_emit_byte (mb, CEE_LDIND_I4);
11382 /* note that we use unsigned comparison */
11383 branch_pos = mono_mb_emit_branch (mb, CEE_BGE_UN);
11385 /* For large ranks (> 4?) use a loop n IL later to reduce code size.
11386 * We could also decide to ignore the passed elem_size and get it
11387 * from the array object, to reduce the number of methods we generate:
11388 * the additional cost is 3 memory loads and a non-immediate mul.
11390 for (i = 1; i < rank; ++i) {
11391 /* realidx = idxi - bounds [i].lower_bound */
11392 mono_mb_emit_ldarg (mb, 1 + i);
11393 mono_mb_emit_ldloc (mb, bounds);
11394 mono_mb_emit_icon (mb, (i * sizeof (MonoArrayBounds)) + G_STRUCT_OFFSET (MonoArrayBounds, lower_bound));
11395 mono_mb_emit_byte (mb, CEE_ADD);
11396 mono_mb_emit_byte (mb, CEE_LDIND_I4);
11397 mono_mb_emit_byte (mb, CEE_SUB);
11398 mono_mb_emit_stloc (mb, realidx);
11399 /* if (realidx >= bounds [i].length) goto exeception; */
11400 mono_mb_emit_ldloc (mb, realidx);
11401 mono_mb_emit_ldloc (mb, bounds);
11402 mono_mb_emit_icon (mb, (i * sizeof (MonoArrayBounds)) + G_STRUCT_OFFSET (MonoArrayBounds, length));
11403 mono_mb_emit_byte (mb, CEE_ADD);
11404 mono_mb_emit_byte (mb, CEE_LDIND_I4);
11405 branch_positions [i] = mono_mb_emit_branch (mb, CEE_BGE_UN);
11406 /* ind = ind * bounds [i].length + realidx */
11407 mono_mb_emit_ldloc (mb, ind);
11408 mono_mb_emit_ldloc (mb, bounds);
11409 mono_mb_emit_icon (mb, (i * sizeof (MonoArrayBounds)) + G_STRUCT_OFFSET (MonoArrayBounds, length));
11410 mono_mb_emit_byte (mb, CEE_ADD);
11411 mono_mb_emit_byte (mb, CEE_LDIND_I4);
11412 mono_mb_emit_byte (mb, CEE_MUL);
11413 mono_mb_emit_ldloc (mb, realidx);
11414 mono_mb_emit_byte (mb, CEE_ADD);
11415 mono_mb_emit_stloc (mb, ind);
11418 /* return array->vector + ind * element_size */
11419 mono_mb_emit_ldarg (mb, 0);
11420 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoArray, vector));
11421 mono_mb_emit_ldloc (mb, ind);
11422 mono_mb_emit_icon (mb, elem_size);
11423 mono_mb_emit_byte (mb, CEE_MUL);
11424 mono_mb_emit_byte (mb, CEE_ADD);
11425 mono_mb_emit_byte (mb, CEE_RET);
11427 /* patch the branches to get here and throw */
11428 for (i = 1; i < rank; ++i) {
11429 mono_mb_patch_branch (mb, branch_positions [i]);
11431 mono_mb_patch_branch (mb, branch_pos);
11432 /* throw exception */
11433 mono_mb_emit_exception (mb, "IndexOutOfRangeException", NULL);
11435 g_free (branch_positions);
11436 #endif /* DISABLE_JIT */
11438 ret = mono_mb_create_method (mb, sig, 4);
11441 /* cache the result */
11443 mono_marshal_lock ();
11444 for (i = 0; i < elem_addr_cache_next; ++i) {
11445 if (elem_addr_cache [i].rank == rank && elem_addr_cache [i].elem_size == elem_size) {
11446 /* FIXME: free ret */
11447 ret = elem_addr_cache [i].method;
11455 if (elem_addr_cache_next >= elem_addr_cache_size) {
11456 int new_size = elem_addr_cache_size + 4;
11457 ArrayElemAddr *new_array = g_new0 (ArrayElemAddr, new_size);
11458 memcpy (new_array, elem_addr_cache, elem_addr_cache_size * sizeof (ArrayElemAddr));
11459 g_free (elem_addr_cache);
11460 elem_addr_cache = new_array;
11461 elem_addr_cache_size = new_size;
11463 elem_addr_cache [elem_addr_cache_next].rank = rank;
11464 elem_addr_cache [elem_addr_cache_next].elem_size = elem_size;
11465 elem_addr_cache [elem_addr_cache_next].method = ret;
11466 elem_addr_cache_next ++;
11468 info = mono_wrapper_info_create (ret, WRAPPER_SUBTYPE_ELEMENT_ADDR);
11469 info->d.element_addr.rank = rank;
11470 info->d.element_addr.elem_size = elem_size;
11471 mono_marshal_set_wrapper_info (ret, info);
11473 mono_marshal_unlock ();
11478 * mono_marshal_get_array_accessor_wrapper:
11480 * Return a wrapper which just calls METHOD, which should be an Array Get/Set/Address method.
11483 mono_marshal_get_array_accessor_wrapper (MonoMethod *method)
11485 MonoMethodSignature *sig;
11486 MonoMethodBuilder *mb;
11490 MonoGenericContext *ctx = NULL;
11491 MonoMethod *orig_method = NULL;
11492 MonoGenericContainer *container = NULL;
11496 * These wrappers are needed to avoid the JIT replacing the calls to these methods with intrinsics
11497 * inside runtime invoke wrappers, thereby making the wrappers not unshareable.
11498 * FIXME: Use generic methods.
11505 g_assert_not_reached ();
11507 cache = get_cache (&method->klass->image->array_accessor_cache, mono_aligned_addr_hash, NULL);
11508 if ((res = mono_marshal_find_in_cache (cache, method)))
11512 sig = signature_dup (method->klass->image, mono_method_signature (method));
11515 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_UNKNOWN);
11517 #ifndef DISABLE_JIT
11518 /* Call the method */
11520 mono_mb_emit_ldarg (mb, 0);
11521 for (i = 0; i < sig->param_count; i++)
11522 mono_mb_emit_ldarg (mb, i + (sig->hasthis == TRUE));
11525 mono_mb_emit_managed_call (mb, mono_class_inflate_generic_method (method, &container->context), NULL);
11527 mono_mb_emit_managed_call (mb, method, NULL);
11528 mono_mb_emit_byte (mb, CEE_RET);
11533 def = mono_mb_create_and_cache (cache, method, mb, sig, sig->param_count + 16);
11534 res = cache_generic_wrapper (cache, orig_method, def, ctx, orig_method);
11536 res = mono_mb_create_and_cache (cache, method,
11537 mb, sig, sig->param_count + 16);
11538 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_ARRAY_ACCESSOR);
11539 info->d.array_accessor.method = method;
11540 mono_marshal_set_wrapper_info (res, info);
11548 mono_marshal_alloc (gulong size)
11553 res = CoTaskMemAlloc (size);
11555 res = g_try_malloc ((gulong)size);
11557 mono_gc_out_of_memory ((gulong)size);
11563 mono_marshal_free (gpointer ptr)
11566 CoTaskMemFree (ptr);
11573 mono_marshal_free_array (gpointer *ptr, int size)
11580 for (i = 0; i < size; i++)
11586 mono_marshal_string_to_utf16 (MonoString *s)
11588 return s ? mono_string_chars (s) : NULL;
11592 mono_marshal_string_to_utf16_copy (MonoString *s)
11597 gunichar2 *res = mono_marshal_alloc ((mono_string_length (s) * 2) + 2);
11598 memcpy (res, mono_string_chars (s), mono_string_length (s) * 2);
11599 res [mono_string_length (s)] = 0;
11605 * mono_marshal_set_last_error:
11607 * This function is invoked to set the last error value from a P/Invoke call
11608 * which has SetLastError set.
11611 mono_marshal_set_last_error (void)
11614 mono_native_tls_set_value (last_error_tls_id, GINT_TO_POINTER (GetLastError ()));
11616 mono_native_tls_set_value (last_error_tls_id, GINT_TO_POINTER (errno));
11621 mono_marshal_set_last_error_windows (int error)
11624 mono_native_tls_set_value (last_error_tls_id, GINT_TO_POINTER (error));
11629 ves_icall_System_Runtime_InteropServices_Marshal_copy_to_unmanaged (MonoArray *src, gint32 start_index,
11630 gpointer dest, gint32 length)
11635 MONO_ARCH_SAVE_REGS;
11637 MONO_CHECK_ARG_NULL (src);
11638 MONO_CHECK_ARG_NULL (dest);
11640 if (src->obj.vtable->klass->rank != 1)
11641 mono_raise_exception (mono_get_exception_argument ("array", "array is multi-dimensional"));
11642 if (start_index < 0)
11643 mono_raise_exception (mono_get_exception_argument ("startIndex", "Must be >= 0"));
11645 mono_raise_exception (mono_get_exception_argument ("length", "Must be >= 0"));
11646 if (start_index + length > mono_array_length (src))
11647 mono_raise_exception (mono_get_exception_argument ("length", "start_index + length > array length"));
11649 element_size = mono_array_element_size (src->obj.vtable->klass);
11651 /* no references should be involved */
11652 source_addr = mono_array_addr_with_size (src, element_size, start_index);
11654 memcpy (dest, source_addr, length * element_size);
11658 ves_icall_System_Runtime_InteropServices_Marshal_copy_from_unmanaged (gpointer src, gint32 start_index,
11659 MonoArray *dest, gint32 length)
11664 MONO_ARCH_SAVE_REGS;
11666 MONO_CHECK_ARG_NULL (src);
11667 MONO_CHECK_ARG_NULL (dest);
11669 if (dest->obj.vtable->klass->rank != 1)
11670 mono_raise_exception (mono_get_exception_argument ("array", "array is multi-dimensional"));
11671 if (start_index < 0)
11672 mono_raise_exception (mono_get_exception_argument ("startIndex", "Must be >= 0"));
11674 mono_raise_exception (mono_get_exception_argument ("length", "Must be >= 0"));
11675 if (start_index + length > mono_array_length (dest))
11676 mono_raise_exception (mono_get_exception_argument ("length", "start_index + length > array length"));
11678 element_size = mono_array_element_size (dest->obj.vtable->klass);
11680 /* no references should be involved */
11681 dest_addr = mono_array_addr_with_size (dest, element_size, start_index);
11683 memcpy (dest_addr, src, length * element_size);
11687 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringAnsi (char *ptr)
11689 MONO_ARCH_SAVE_REGS;
11694 return mono_string_new (mono_domain_get (), ptr);
11698 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringAnsi_len (char *ptr, gint32 len)
11700 MONO_ARCH_SAVE_REGS;
11703 mono_raise_exception (mono_get_exception_argument_null ("ptr"));
11704 g_assert_not_reached ();
11707 return mono_string_new_len (mono_domain_get (), ptr, len);
11712 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringUni (guint16 *ptr)
11714 MonoDomain *domain = mono_domain_get ();
11718 MONO_ARCH_SAVE_REGS;
11726 return mono_string_new_utf16 (domain, ptr, len);
11730 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringUni_len (guint16 *ptr, gint32 len)
11732 MonoDomain *domain = mono_domain_get ();
11734 MONO_ARCH_SAVE_REGS;
11737 mono_raise_exception (mono_get_exception_argument_null ("ptr"));
11738 g_assert_not_reached ();
11741 return mono_string_new_utf16 (domain, ptr, len);
11746 ves_icall_System_Runtime_InteropServices_Marshal_GetLastWin32Error (void)
11748 MONO_ARCH_SAVE_REGS;
11750 return (GPOINTER_TO_INT (mono_native_tls_get_value (last_error_tls_id)));
11754 ves_icall_System_Runtime_InteropServices_Marshal_SizeOf (MonoReflectionType *rtype)
11760 MONO_ARCH_SAVE_REGS;
11762 MONO_CHECK_ARG_NULL (rtype);
11764 type = rtype->type;
11765 klass = mono_class_from_mono_type (type);
11766 if (!mono_class_init (klass))
11767 mono_raise_exception (mono_class_get_exception_for_failure (klass));
11769 layout = (klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK);
11771 if (layout == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
11773 MonoException *exc;
11775 msg = g_strdup_printf ("Type %s cannot be marshaled as an unmanaged structure.", klass->name);
11776 exc = mono_get_exception_argument ("t", msg);
11778 mono_raise_exception (exc);
11782 return mono_class_native_size (klass, NULL);
11786 ves_icall_System_Runtime_InteropServices_Marshal_StructureToPtr (MonoObject *obj, gpointer dst, MonoBoolean delete_old)
11788 MonoMethod *method;
11791 MONO_ARCH_SAVE_REGS;
11793 MONO_CHECK_ARG_NULL (obj);
11794 MONO_CHECK_ARG_NULL (dst);
11796 method = mono_marshal_get_struct_to_ptr (obj->vtable->klass);
11800 pa [2] = &delete_old;
11802 mono_runtime_invoke (method, NULL, pa, NULL);
11806 ptr_to_structure (gpointer src, MonoObject *dst)
11808 MonoMethod *method;
11811 method = mono_marshal_get_ptr_to_struct (dst->vtable->klass);
11816 mono_runtime_invoke (method, NULL, pa, NULL);
11820 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure (gpointer src, MonoObject *dst)
11824 MONO_ARCH_SAVE_REGS;
11826 MONO_CHECK_ARG_NULL (src);
11827 MONO_CHECK_ARG_NULL (dst);
11829 t = mono_type_get_underlying_type (mono_class_get_type (dst->vtable->klass));
11831 if (t->type == MONO_TYPE_VALUETYPE) {
11832 MonoException *exc;
11835 tmp = g_strdup_printf ("Destination is a boxed value type.");
11836 exc = mono_get_exception_argument ("dst", tmp);
11839 mono_raise_exception (exc);
11843 ptr_to_structure (src, dst);
11847 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure_type (gpointer src, MonoReflectionType *type)
11850 MonoDomain *domain = mono_domain_get ();
11853 MONO_ARCH_SAVE_REGS;
11857 MONO_CHECK_ARG_NULL (type);
11859 klass = mono_class_from_mono_type (type->type);
11860 if (!mono_class_init (klass))
11861 mono_raise_exception (mono_class_get_exception_for_failure (klass));
11863 res = mono_object_new (domain, klass);
11865 ptr_to_structure (src, res);
11871 ves_icall_System_Runtime_InteropServices_Marshal_OffsetOf (MonoReflectionType *type, MonoString *field_name)
11873 MonoMarshalType *info;
11876 int match_index = -1;
11878 MONO_ARCH_SAVE_REGS;
11880 MONO_CHECK_ARG_NULL (type);
11881 MONO_CHECK_ARG_NULL (field_name);
11883 fname = mono_string_to_utf8 (field_name);
11884 klass = mono_class_from_mono_type (type->type);
11885 if (!mono_class_init (klass))
11886 mono_raise_exception (mono_class_get_exception_for_failure (klass));
11888 while (klass && match_index == -1) {
11889 MonoClassField* field;
11891 gpointer iter = NULL;
11892 while ((field = mono_class_get_fields (klass, &iter))) {
11893 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
11895 if (!strcmp (fname, mono_field_get_name (field))) {
11902 if (match_index == -1)
11903 klass = klass->parent;
11908 if(match_index == -1) {
11909 MonoException* exc;
11912 /* Get back original class instance */
11913 klass = mono_class_from_mono_type (type->type);
11915 tmp = g_strdup_printf ("Field passed in is not a marshaled member of the type %s", klass->name);
11916 exc = mono_get_exception_argument ("fieldName", tmp);
11919 mono_raise_exception ((MonoException*)exc);
11922 info = mono_marshal_load_type_info (klass);
11923 return info->fields [match_index].offset;
11927 ves_icall_System_Runtime_InteropServices_Marshal_StringToHGlobalAnsi (MonoString *string)
11932 tres = mono_string_to_utf8 (string);
11936 len = strlen (tres) + 1;
11937 ret = ves_icall_System_Runtime_InteropServices_Marshal_AllocHGlobal (len);
11938 memcpy (ret, tres, len);
11943 return mono_string_to_utf8 (string);
11948 ves_icall_System_Runtime_InteropServices_Marshal_StringToHGlobalUni (MonoString *string)
11950 MONO_ARCH_SAVE_REGS;
11952 if (string == NULL)
11955 #ifdef TARGET_WIN32
11956 gunichar2 *res = ves_icall_System_Runtime_InteropServices_Marshal_AllocHGlobal
11957 ((mono_string_length (string) + 1) * 2);
11959 gunichar2 *res = g_malloc ((mono_string_length (string) + 1) * 2);
11961 memcpy (res, mono_string_chars (string), mono_string_length (string) * 2);
11962 res [mono_string_length (string)] = 0;
11968 mono_struct_delete_old (MonoClass *klass, char *ptr)
11970 MonoMarshalType *info;
11973 info = mono_marshal_load_type_info (klass);
11975 for (i = 0; i < info->num_fields; i++) {
11976 MonoMarshalNative ntype;
11977 MonoMarshalConv conv;
11978 MonoType *ftype = info->fields [i].field->type;
11981 if (ftype->attrs & FIELD_ATTRIBUTE_STATIC)
11984 ntype = mono_type_to_unmanaged (ftype, info->fields [i].mspec, TRUE,
11985 klass->unicode, &conv);
11987 cpos = ptr + info->fields [i].offset;
11990 case MONO_MARSHAL_CONV_NONE:
11991 if (MONO_TYPE_ISSTRUCT (ftype)) {
11992 mono_struct_delete_old (ftype->data.klass, cpos);
11996 case MONO_MARSHAL_CONV_STR_LPWSTR:
11997 /* We assume this field points inside a MonoString */
11999 case MONO_MARSHAL_CONV_STR_LPTSTR:
12000 #ifdef TARGET_WIN32
12001 /* We assume this field points inside a MonoString
12005 case MONO_MARSHAL_CONV_STR_LPSTR:
12006 case MONO_MARSHAL_CONV_STR_BSTR:
12007 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
12008 case MONO_MARSHAL_CONV_STR_TBSTR:
12009 mono_marshal_free (*(gpointer *)cpos);
12019 ves_icall_System_Runtime_InteropServices_Marshal_DestroyStructure (gpointer src, MonoReflectionType *type)
12023 MONO_ARCH_SAVE_REGS;
12025 MONO_CHECK_ARG_NULL (src);
12026 MONO_CHECK_ARG_NULL (type);
12028 klass = mono_class_from_mono_type (type->type);
12029 if (!mono_class_init (klass))
12030 mono_raise_exception (mono_class_get_exception_for_failure (klass));
12032 mono_struct_delete_old (klass, (char *)src);
12036 ves_icall_System_Runtime_InteropServices_Marshal_AllocHGlobal (int size)
12040 MONO_ARCH_SAVE_REGS;
12042 if ((gulong)size == 0)
12043 /* This returns a valid pointer for size 0 on MS.NET */
12047 res = GlobalAlloc (GMEM_FIXED, (gulong)size);
12049 res = g_try_malloc ((gulong)size);
12052 mono_gc_out_of_memory ((gulong)size);
12058 ves_icall_System_Runtime_InteropServices_Marshal_ReAllocHGlobal (gpointer ptr, int size)
12063 mono_gc_out_of_memory ((gulong)size);
12068 res = GlobalReAlloc (ptr, (gulong)size, GMEM_MOVEABLE);
12070 res = g_try_realloc (ptr, (gulong)size);
12073 mono_gc_out_of_memory ((gulong)size);
12079 ves_icall_System_Runtime_InteropServices_Marshal_FreeHGlobal (void *ptr)
12081 MONO_ARCH_SAVE_REGS;
12091 ves_icall_System_Runtime_InteropServices_Marshal_AllocCoTaskMem (int size)
12093 MONO_ARCH_SAVE_REGS;
12096 return CoTaskMemAlloc (size);
12098 return g_try_malloc ((gulong)size);
12103 ves_icall_System_Runtime_InteropServices_Marshal_FreeCoTaskMem (void *ptr)
12105 MONO_ARCH_SAVE_REGS;
12108 CoTaskMemFree (ptr);
12115 ves_icall_System_Runtime_InteropServices_Marshal_ReAllocCoTaskMem (gpointer ptr, int size)
12117 MONO_ARCH_SAVE_REGS;
12120 return CoTaskMemRealloc (ptr, size);
12122 return g_try_realloc (ptr, (gulong)size);
12127 ves_icall_System_Runtime_InteropServices_Marshal_UnsafeAddrOfPinnedArrayElement (MonoArray *arrayobj, int index)
12129 return mono_array_addr_with_size (arrayobj, mono_array_element_size (arrayobj->obj.vtable->klass), index);
12133 ves_icall_System_Runtime_InteropServices_Marshal_GetDelegateForFunctionPointerInternal (void *ftn, MonoReflectionType *type)
12135 MonoClass *klass = mono_type_get_class (type->type);
12136 if (!mono_class_init (klass))
12137 mono_raise_exception (mono_class_get_exception_for_failure (klass));
12139 return mono_ftnptr_to_delegate (klass, ftn);
12143 * mono_marshal_is_loading_type_info:
12145 * Return whenever mono_marshal_load_type_info () is being executed for KLASS by this
12149 mono_marshal_is_loading_type_info (MonoClass *klass)
12151 GSList *loads_list = mono_native_tls_get_value (load_type_info_tls_id);
12153 return g_slist_find (loads_list, klass) != NULL;
12157 * mono_marshal_load_type_info:
12159 * Initialize klass->marshal_info using information from metadata. This function can
12160 * recursively call itself, and the caller is responsible to avoid that by calling
12161 * mono_marshal_is_loading_type_info () beforehand.
12163 * LOCKING: Acquires the loader lock.
12166 mono_marshal_load_type_info (MonoClass* klass)
12169 guint32 native_size = 0, min_align = 1, packing;
12170 MonoMarshalType *info;
12171 MonoClassField* field;
12174 GSList *loads_list;
12176 g_assert (klass != NULL);
12178 if (klass->marshal_info)
12179 return klass->marshal_info;
12181 if (!klass->inited)
12182 mono_class_init (klass);
12184 mono_loader_lock ();
12186 if (klass->marshal_info) {
12187 mono_loader_unlock ();
12188 return klass->marshal_info;
12192 * This function can recursively call itself, so we keep the list of classes which are
12193 * under initialization in a TLS list.
12195 g_assert (!mono_marshal_is_loading_type_info (klass));
12196 loads_list = mono_native_tls_get_value (load_type_info_tls_id);
12197 loads_list = g_slist_prepend (loads_list, klass);
12198 mono_native_tls_set_value (load_type_info_tls_id, loads_list);
12201 while ((field = mono_class_get_fields (klass, &iter))) {
12202 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
12204 if (mono_field_is_deleted (field))
12209 layout = klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK;
12211 /* The mempool is protected by the loader lock */
12212 info = mono_image_alloc0 (klass->image, MONO_SIZEOF_MARSHAL_TYPE + sizeof (MonoMarshalField) * count);
12213 info->num_fields = count;
12215 /* Try to find a size for this type in metadata */
12216 mono_metadata_packing_from_typedef (klass->image, klass->type_token, NULL, &native_size);
12218 if (klass->parent) {
12219 int parent_size = mono_class_native_size (klass->parent, NULL);
12221 /* Add parent size to real size */
12222 native_size += parent_size;
12223 info->native_size = parent_size;
12226 packing = klass->packing_size ? klass->packing_size : 8;
12229 while ((field = mono_class_get_fields (klass, &iter))) {
12233 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
12236 if (mono_field_is_deleted (field))
12238 if (field->type->attrs & FIELD_ATTRIBUTE_HAS_FIELD_MARSHAL)
12239 mono_metadata_field_info_with_mempool (klass->image, mono_metadata_token_index (mono_class_get_field_token (field)) - 1,
12240 NULL, NULL, &info->fields [j].mspec);
12242 info->fields [j].field = field;
12244 if ((mono_class_num_fields (klass) == 1) && (klass->instance_size == sizeof (MonoObject)) &&
12245 (strcmp (mono_field_get_name (field), "$PRIVATE$") == 0)) {
12246 /* This field is a hack inserted by MCS to empty structures */
12251 case TYPE_ATTRIBUTE_AUTO_LAYOUT:
12252 case TYPE_ATTRIBUTE_SEQUENTIAL_LAYOUT:
12253 size = mono_marshal_type_size (field->type, info->fields [j].mspec,
12254 &align, TRUE, klass->unicode);
12255 align = klass->packing_size ? MIN (klass->packing_size, align): align;
12256 min_align = MAX (align, min_align);
12257 info->fields [j].offset = info->native_size;
12258 info->fields [j].offset += align - 1;
12259 info->fields [j].offset &= ~(align - 1);
12260 info->native_size = info->fields [j].offset + size;
12262 case TYPE_ATTRIBUTE_EXPLICIT_LAYOUT:
12263 size = mono_marshal_type_size (field->type, info->fields [j].mspec,
12264 &align, TRUE, klass->unicode);
12265 min_align = packing;
12266 info->fields [j].offset = field->offset - sizeof (MonoObject);
12267 info->native_size = MAX (info->native_size, info->fields [j].offset + size);
12273 if (layout != TYPE_ATTRIBUTE_AUTO_LAYOUT) {
12274 info->native_size = MAX (native_size, info->native_size);
12276 * If the provided Size is equal or larger than the calculated size, and there
12277 * was no Pack attribute, we set min_align to 1 to avoid native_size being increased
12279 if (layout == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT)
12280 if (native_size && native_size == info->native_size && klass->packing_size == 0)
12284 if (info->native_size & (min_align - 1)) {
12285 info->native_size += min_align - 1;
12286 info->native_size &= ~(min_align - 1);
12289 info->min_align = min_align;
12291 /* Update the class's blittable info, if the layouts don't match */
12292 if (info->native_size != mono_class_value_size (klass, NULL))
12293 klass->blittable = FALSE;
12295 /* If this is an array type, ensure that we have element info */
12296 if (klass->rank && !mono_marshal_is_loading_type_info (klass->element_class)) {
12297 mono_marshal_load_type_info (klass->element_class);
12300 loads_list = mono_native_tls_get_value (load_type_info_tls_id);
12301 loads_list = g_slist_remove (loads_list, klass);
12302 mono_native_tls_set_value (load_type_info_tls_id, loads_list);
12304 /*We do double-checking locking on marshal_info */
12305 mono_memory_barrier ();
12307 klass->marshal_info = info;
12309 mono_loader_unlock ();
12311 return klass->marshal_info;
12315 * mono_class_native_size:
12318 * Returns: the native size of an object instance (when marshaled
12319 * to unmanaged code)
12322 mono_class_native_size (MonoClass *klass, guint32 *align)
12324 if (!klass->marshal_info) {
12325 if (mono_marshal_is_loading_type_info (klass)) {
12330 mono_marshal_load_type_info (klass);
12335 *align = klass->marshal_info->min_align;
12337 return klass->marshal_info->native_size;
12340 /* __alignof__ returns the preferred alignment of values not the actual alignment used by
12341 the compiler so is wrong e.g. for Linux where doubles are aligned on a 4 byte boundary
12342 but __alignof__ returns 8 - using G_STRUCT_OFFSET works better */
12343 #define ALIGNMENT(type) G_STRUCT_OFFSET(struct { char c; type x; }, x)
12346 * mono_type_native_stack_size:
12347 * @t: the type to return the size it uses on the stack
12349 * Returns: the number of bytes required to hold an instance of this
12350 * type on the native stack
12353 mono_type_native_stack_size (MonoType *t, guint32 *align)
12357 g_assert (t != NULL);
12363 *align = sizeof (gpointer);
12364 return sizeof (gpointer);
12368 case MONO_TYPE_BOOLEAN:
12369 case MONO_TYPE_CHAR:
12380 case MONO_TYPE_STRING:
12381 case MONO_TYPE_OBJECT:
12382 case MONO_TYPE_CLASS:
12383 case MONO_TYPE_SZARRAY:
12384 case MONO_TYPE_PTR:
12385 case MONO_TYPE_FNPTR:
12386 case MONO_TYPE_ARRAY:
12387 *align = sizeof (gpointer);
12388 return sizeof (gpointer);
12393 *align = ALIGNMENT (gdouble);
12397 *align = ALIGNMENT (glong);
12399 case MONO_TYPE_GENERICINST:
12400 if (!mono_type_generic_inst_is_valuetype (t)) {
12401 *align = sizeof (gpointer);
12402 return sizeof (gpointer);
12405 case MONO_TYPE_TYPEDBYREF:
12406 case MONO_TYPE_VALUETYPE: {
12408 MonoClass *klass = mono_class_from_mono_type (t);
12410 if (klass->enumtype)
12411 return mono_type_native_stack_size (mono_class_enum_basetype (klass), align);
12413 size = mono_class_native_size (klass, align);
12414 *align = *align + 3;
12424 g_error ("type 0x%02x unknown", t->type);
12430 mono_marshal_type_size (MonoType *type, MonoMarshalSpec *mspec, guint32 *align,
12431 gboolean as_field, gboolean unicode)
12433 MonoMarshalNative native_type = mono_type_to_unmanaged (type, mspec, as_field, unicode, NULL);
12436 switch (native_type) {
12437 case MONO_NATIVE_BOOLEAN:
12440 case MONO_NATIVE_I1:
12441 case MONO_NATIVE_U1:
12444 case MONO_NATIVE_I2:
12445 case MONO_NATIVE_U2:
12446 case MONO_NATIVE_VARIANTBOOL:
12449 case MONO_NATIVE_I4:
12450 case MONO_NATIVE_U4:
12451 case MONO_NATIVE_ERROR:
12454 case MONO_NATIVE_I8:
12455 case MONO_NATIVE_U8:
12456 *align = ALIGNMENT(guint64);
12458 case MONO_NATIVE_R4:
12461 case MONO_NATIVE_R8:
12462 *align = ALIGNMENT(double);
12464 case MONO_NATIVE_INT:
12465 case MONO_NATIVE_UINT:
12466 case MONO_NATIVE_LPSTR:
12467 case MONO_NATIVE_LPWSTR:
12468 case MONO_NATIVE_LPTSTR:
12469 case MONO_NATIVE_BSTR:
12470 case MONO_NATIVE_ANSIBSTR:
12471 case MONO_NATIVE_TBSTR:
12472 case MONO_NATIVE_LPARRAY:
12473 case MONO_NATIVE_SAFEARRAY:
12474 case MONO_NATIVE_IUNKNOWN:
12475 case MONO_NATIVE_IDISPATCH:
12476 case MONO_NATIVE_INTERFACE:
12477 case MONO_NATIVE_ASANY:
12478 case MONO_NATIVE_FUNC:
12479 case MONO_NATIVE_LPSTRUCT:
12480 *align = ALIGNMENT(gpointer);
12481 return sizeof (gpointer);
12482 case MONO_NATIVE_STRUCT:
12483 klass = mono_class_from_mono_type (type);
12484 if (klass == mono_defaults.object_class &&
12485 (mspec && mspec->native == MONO_NATIVE_STRUCT)) {
12489 return mono_class_native_size (klass, align);
12490 case MONO_NATIVE_BYVALTSTR: {
12491 int esize = unicode ? 2: 1;
12494 return mspec->data.array_data.num_elem * esize;
12496 case MONO_NATIVE_BYVALARRAY: {
12497 // FIXME: Have to consider ArraySubType
12499 klass = mono_class_from_mono_type (type);
12500 if (klass->element_class == mono_defaults.char_class) {
12501 esize = unicode ? 2 : 1;
12504 esize = mono_class_native_size (klass->element_class, align);
12507 return mspec->data.array_data.num_elem * esize;
12509 case MONO_NATIVE_CUSTOM:
12510 *align = sizeof (gpointer);
12511 return sizeof (gpointer);
12513 case MONO_NATIVE_CURRENCY:
12514 case MONO_NATIVE_VBBYREFSTR:
12516 g_error ("native type %02x not implemented", native_type);
12519 g_assert_not_reached ();
12524 mono_marshal_asany (MonoObject *o, MonoMarshalNative string_encoding, int param_attrs)
12532 t = &o->vtable->klass->byval_arg;
12536 case MONO_TYPE_PTR:
12539 case MONO_TYPE_BOOLEAN:
12542 case MONO_TYPE_CHAR:
12547 return mono_object_unbox (o);
12549 case MONO_TYPE_STRING:
12550 switch (string_encoding) {
12551 case MONO_NATIVE_LPWSTR:
12552 return mono_marshal_string_to_utf16_copy ((MonoString*)o);
12554 case MONO_NATIVE_LPSTR:
12555 return mono_string_to_lpstr ((MonoString*)o);
12558 g_warning ("marshaling conversion %d not implemented", string_encoding);
12559 g_assert_not_reached ();
12562 case MONO_TYPE_CLASS:
12563 case MONO_TYPE_VALUETYPE: {
12564 MonoMethod *method;
12567 MonoBoolean delete_old = FALSE;
12569 klass = t->data.klass;
12571 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT)
12574 if (klass->valuetype && (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
12575 klass->blittable || klass->enumtype))
12576 return mono_object_unbox (o);
12578 res = mono_marshal_alloc (mono_class_native_size (klass, NULL));
12580 if (!((param_attrs & PARAM_ATTRIBUTE_OUT) && !(param_attrs & PARAM_ATTRIBUTE_IN))) {
12581 method = mono_marshal_get_struct_to_ptr (o->vtable->klass);
12585 pa [2] = &delete_old;
12587 mono_runtime_invoke (method, NULL, pa, NULL);
12594 mono_raise_exception (mono_get_exception_argument ("", "No PInvoke conversion exists for value passed to Object-typed parameter."));
12600 mono_marshal_free_asany (MonoObject *o, gpointer ptr, MonoMarshalNative string_encoding, int param_attrs)
12608 t = &o->vtable->klass->byval_arg;
12610 case MONO_TYPE_STRING:
12611 switch (string_encoding) {
12612 case MONO_NATIVE_LPWSTR:
12613 case MONO_NATIVE_LPSTR:
12614 mono_marshal_free (ptr);
12617 g_warning ("marshaling conversion %d not implemented", string_encoding);
12618 g_assert_not_reached ();
12621 case MONO_TYPE_CLASS:
12622 case MONO_TYPE_VALUETYPE: {
12623 klass = t->data.klass;
12625 if (klass->valuetype && (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
12626 klass->blittable || klass->enumtype))
12629 if (param_attrs & PARAM_ATTRIBUTE_OUT) {
12630 MonoMethod *method = mono_marshal_get_ptr_to_struct (o->vtable->klass);
12636 mono_runtime_invoke (method, NULL, pa, NULL);
12639 if (!((param_attrs & PARAM_ATTRIBUTE_OUT) && !(param_attrs & PARAM_ATTRIBUTE_IN))) {
12640 mono_struct_delete_old (klass, ptr);
12643 mono_marshal_free (ptr);
12652 mono_marshal_get_generic_array_helper (MonoClass *class, MonoClass *iface, gchar *name, MonoMethod *method)
12654 MonoMethodSignature *sig, *csig;
12655 MonoMethodBuilder *mb;
12660 mb = mono_mb_new_no_dup_name (class, name, MONO_WRAPPER_MANAGED_TO_MANAGED);
12661 mb->method->slot = -1;
12663 mb->method->flags = METHOD_ATTRIBUTE_PRIVATE | METHOD_ATTRIBUTE_VIRTUAL |
12664 METHOD_ATTRIBUTE_NEW_SLOT | METHOD_ATTRIBUTE_HIDE_BY_SIG | METHOD_ATTRIBUTE_FINAL;
12666 sig = mono_method_signature (method);
12667 csig = signature_dup (method->klass->image, sig);
12668 csig->generic_param_count = 0;
12670 #ifndef DISABLE_JIT
12671 mono_mb_emit_ldarg (mb, 0);
12672 for (i = 0; i < csig->param_count; i++)
12673 mono_mb_emit_ldarg (mb, i + 1);
12674 mono_mb_emit_managed_call (mb, method, NULL);
12675 mono_mb_emit_byte (mb, CEE_RET);
12677 /* We can corlib internal methods */
12678 mb->skip_visibility = TRUE;
12681 res = mono_mb_create_method (mb, csig, csig->param_count + 16);
12683 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_GENERIC_ARRAY_HELPER);
12684 info->d.generic_array_helper.method = method;
12685 mono_marshal_set_wrapper_info (res, info);
12693 * The mono_win32_compat_* functions are implementations of inline
12694 * Windows kernel32 APIs, which are DllImport-able under MS.NET,
12695 * although not exported by kernel32.
12697 * We map the appropiate kernel32 entries to these functions using
12698 * dllmaps declared in the global etc/mono/config.
12702 mono_win32_compat_CopyMemory (gpointer dest, gconstpointer source, gsize length)
12704 if (!dest || !source)
12707 memcpy (dest, source, length);
12711 mono_win32_compat_FillMemory (gpointer dest, gsize length, guchar fill)
12713 memset (dest, fill, length);
12717 mono_win32_compat_MoveMemory (gpointer dest, gconstpointer source, gsize length)
12719 if (!dest || !source)
12722 memmove (dest, source, length);
12726 mono_win32_compat_ZeroMemory (gpointer dest, gsize length)
12728 memset (dest, 0, length);
12732 mono_marshal_find_nonzero_bit_offset (guint8 *buf, int len, int *byte_offset, guint8 *bitmask)
12737 for (i = 0; i < len; ++i)
12741 g_assert (i < len);
12744 while (byte && !(byte & 1))
12746 g_assert (byte == 1);
12749 *bitmask = buf [i];
12753 mono_marshal_get_thunk_invoke_wrapper (MonoMethod *method)
12755 MonoMethodBuilder *mb;
12756 MonoMethodSignature *sig, *csig;
12757 MonoExceptionClause *clause;
12762 int i, param_count, sig_size, pos_leave;
12766 klass = method->klass;
12767 image = method->klass->image;
12768 cache = get_cache (&image->thunk_invoke_cache, mono_aligned_addr_hash, NULL);
12770 if ((res = mono_marshal_find_in_cache (cache, method)))
12773 sig = mono_method_signature (method);
12774 mb = mono_mb_new (klass, method->name, MONO_WRAPPER_NATIVE_TO_MANAGED);
12776 /* add "this" and exception param */
12777 param_count = sig->param_count + sig->hasthis + 1;
12779 /* dup & extend signature */
12780 csig = mono_metadata_signature_alloc (image, param_count);
12781 sig_size = MONO_SIZEOF_METHOD_SIGNATURE + sig->param_count * sizeof (MonoType *);
12782 memcpy (csig, sig, sig_size);
12783 csig->param_count = param_count;
12786 csig->call_convention = MONO_CALL_DEFAULT;
12788 if (sig->hasthis) {
12790 csig->params [0] = &klass->byval_arg;
12791 /* move params up by one */
12792 for (i = 0; i < sig->param_count; i++)
12793 csig->params [i + 1] = sig->params [i];
12796 /* setup exception param as byref+[out] */
12797 csig->params [param_count - 1] = mono_metadata_type_dup (image,
12798 &mono_defaults.exception_class->byval_arg);
12799 csig->params [param_count - 1]->byref = 1;
12800 csig->params [param_count - 1]->attrs = PARAM_ATTRIBUTE_OUT;
12802 /* convert struct return to object */
12803 if (MONO_TYPE_ISSTRUCT (sig->ret))
12804 csig->ret = &mono_defaults.object_class->byval_arg;
12806 #ifndef DISABLE_JIT
12807 /* local 0 (temp for exception object) */
12808 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
12810 /* local 1 (temp for result) */
12811 if (!MONO_TYPE_IS_VOID (sig->ret))
12812 mono_mb_add_local (mb, sig->ret);
12814 /* clear exception arg */
12815 mono_mb_emit_ldarg (mb, param_count - 1);
12816 mono_mb_emit_byte (mb, CEE_LDNULL);
12817 mono_mb_emit_byte (mb, CEE_STIND_REF);
12820 clause = mono_image_alloc0 (image, sizeof (MonoExceptionClause));
12821 clause->try_offset = mono_mb_get_label (mb);
12823 /* push method's args */
12824 for (i = 0; i < param_count - 1; i++) {
12828 mono_mb_emit_ldarg (mb, i);
12830 /* get the byval type of the param */
12831 klass = mono_class_from_mono_type (csig->params [i]);
12832 type = &klass->byval_arg;
12834 /* unbox struct args */
12835 if (MONO_TYPE_ISSTRUCT (type)) {
12836 mono_mb_emit_op (mb, CEE_UNBOX, klass);
12838 /* byref args & and the "this" arg must remain a ptr.
12839 Otherwise make a copy of the value type */
12840 if (!(csig->params [i]->byref || (i == 0 && sig->hasthis)))
12841 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
12843 csig->params [i] = &mono_defaults.object_class->byval_arg;
12848 if (method->flags & METHOD_ATTRIBUTE_VIRTUAL)
12849 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
12851 mono_mb_emit_op (mb, CEE_CALL, method);
12853 /* save result at local 1 */
12854 if (!MONO_TYPE_IS_VOID (sig->ret))
12855 mono_mb_emit_stloc (mb, 1);
12857 pos_leave = mono_mb_emit_branch (mb, CEE_LEAVE);
12860 clause->flags = MONO_EXCEPTION_CLAUSE_NONE;
12861 clause->try_len = mono_mb_get_pos (mb) - clause->try_offset;
12862 clause->data.catch_class = mono_defaults.object_class;
12864 clause->handler_offset = mono_mb_get_label (mb);
12866 /* store exception at local 0 */
12867 mono_mb_emit_stloc (mb, 0);
12868 mono_mb_emit_ldarg (mb, param_count - 1);
12869 mono_mb_emit_ldloc (mb, 0);
12870 mono_mb_emit_byte (mb, CEE_STIND_REF);
12871 mono_mb_emit_branch (mb, CEE_LEAVE);
12873 clause->handler_len = mono_mb_get_pos (mb) - clause->handler_offset;
12875 mono_mb_set_clauses (mb, 1, clause);
12877 mono_mb_patch_branch (mb, pos_leave);
12880 if (!MONO_TYPE_IS_VOID (sig->ret)) {
12881 mono_mb_emit_ldloc (mb, 1);
12883 /* box the return value */
12884 if (MONO_TYPE_ISSTRUCT (sig->ret))
12885 mono_mb_emit_op (mb, CEE_BOX, mono_class_from_mono_type (sig->ret));
12888 mono_mb_emit_byte (mb, CEE_RET);
12891 res = mono_mb_create_and_cache (cache, method, mb, csig, param_count + 16);
12898 * mono_marshal_free_dynamic_wrappers:
12900 * Free wrappers of the dynamic method METHOD.
12903 mono_marshal_free_dynamic_wrappers (MonoMethod *method)
12905 MonoImage *image = method->klass->image;
12907 g_assert (method->dynamic);
12909 /* This could be called during shutdown */
12910 if (marshal_mutex_initialized)
12911 mono_marshal_lock ();
12913 * FIXME: We currently leak the wrappers. Freeing them would be tricky as
12914 * they could be shared with other methods ?
12916 if (image->runtime_invoke_direct_cache)
12917 g_hash_table_remove (image->runtime_invoke_direct_cache, method);
12918 if (image->delegate_bound_static_invoke_cache)
12919 g_hash_table_foreach_remove (image->delegate_bound_static_invoke_cache, signature_method_pair_matches_method, method);
12920 if (image->delegate_abstract_invoke_cache)
12921 g_hash_table_foreach_remove (image->delegate_abstract_invoke_cache, signature_method_pair_matches_method, method);
12923 if (marshal_mutex_initialized)
12924 mono_marshal_unlock ();
12928 signature_method_pair_matches_signature (gpointer key, gpointer value, gpointer user_data)
12930 SignatureMethodPair *pair = (SignatureMethodPair*)key;
12931 MonoMethodSignature *sig = (MonoMethodSignature*)user_data;
12933 return mono_metadata_signature_equal (pair->sig, sig);
12937 * mono_marshal_free_inflated_wrappers:
12939 * Free wrappers of the inflated method METHOD.
12942 mono_marshal_free_inflated_wrappers (MonoMethod *method)
12944 MonoMethodSignature *sig = method->signature;
12946 g_assert (method->is_inflated);
12948 /* Ignore calls occuring late during cleanup. */
12949 if (!marshal_mutex_initialized)
12952 mono_marshal_lock ();
12954 * FIXME: We currently leak the wrappers. Freeing them would be tricky as
12955 * they could be shared with other methods ?
12959 * indexed by MonoMethodSignature
12961 /* FIXME: This could remove unrelated wrappers as well */
12962 if (sig && method->klass->image->delegate_begin_invoke_cache)
12963 g_hash_table_remove (method->klass->image->delegate_begin_invoke_cache, sig);
12964 if (sig && method->klass->image->delegate_end_invoke_cache)
12965 g_hash_table_remove (method->klass->image->delegate_end_invoke_cache, sig);
12966 if (sig && method->klass->image->delegate_invoke_cache)
12967 g_hash_table_remove (method->klass->image->delegate_invoke_cache, sig);
12968 if (sig && method->klass->image->runtime_invoke_cache)
12969 g_hash_table_remove (method->klass->image->runtime_invoke_cache, sig);
12970 if (sig && method->klass->image->runtime_invoke_vtype_cache)
12971 g_hash_table_remove (method->klass->image->runtime_invoke_vtype_cache, sig);
12974 * indexed by SignatureMethodPair
12976 if (sig && method->klass->image->delegate_abstract_invoke_cache)
12977 g_hash_table_foreach_remove (method->klass->image->delegate_abstract_invoke_cache,
12978 signature_method_pair_matches_signature, (gpointer)sig);
12980 if (sig && method->klass->image->delegate_bound_static_invoke_cache)
12981 g_hash_table_foreach_remove (method->klass->image->delegate_bound_static_invoke_cache,
12982 signature_method_pair_matches_signature, (gpointer)sig);
12985 * indexed by MonoMethod pointers
12987 if (method->klass->image->runtime_invoke_direct_cache)
12988 g_hash_table_remove (method->klass->image->runtime_invoke_direct_cache, method);
12989 if (method->klass->image->managed_wrapper_cache)
12990 g_hash_table_remove (method->klass->image->managed_wrapper_cache, method);
12991 if (method->klass->image->native_wrapper_cache)
12992 g_hash_table_remove (method->klass->image->native_wrapper_cache, method);
12993 if (method->klass->image->remoting_invoke_cache)
12994 g_hash_table_remove (method->klass->image->remoting_invoke_cache, method);
12995 if (method->klass->image->synchronized_cache)
12996 g_hash_table_remove (method->klass->image->synchronized_cache, method);
12997 if (method->klass->image->unbox_wrapper_cache)
12998 g_hash_table_remove (method->klass->image->unbox_wrapper_cache, method);
12999 if (method->klass->image->cominterop_invoke_cache)
13000 g_hash_table_remove (method->klass->image->cominterop_invoke_cache, method);
13001 if (method->klass->image->cominterop_wrapper_cache)
13002 g_hash_table_remove (method->klass->image->cominterop_wrapper_cache, method);
13003 if (method->klass->image->thunk_invoke_cache)
13004 g_hash_table_remove (method->klass->image->thunk_invoke_cache, method);
13005 if (method->klass->image->native_func_wrapper_aot_cache)
13006 g_hash_table_remove (method->klass->image->native_func_wrapper_aot_cache, method);
13008 mono_marshal_unlock ();