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;
4196 * If the delegate target is null, and the target method is not static, a virtual
4197 * call is made to that method with the first delegate argument as this. This is
4198 * a non-documented .NET feature.
4200 if (del && !del->target && del->method && mono_method_signature (del->method)->hasthis) {
4202 target_method = del->method;
4203 if (target_method->is_inflated) {
4204 MonoType *target_type;
4206 g_assert (method->signature->hasthis);
4207 target_type = mono_class_inflate_generic_type (method->signature->params [0],
4208 mono_method_get_context (method));
4209 target_class = mono_class_from_mono_type (target_type);
4211 target_class = del->method->klass;
4215 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
4216 !strcmp (method->name, "Invoke"));
4218 invoke_sig = sig = mono_signature_no_pinvoke (method);
4221 closed_over_null = sig->param_count == mono_method_signature (del->method)->param_count;
4223 if (del && del->method && mono_method_signature (del->method)->param_count == sig->param_count + 1 && (del->method->flags & METHOD_ATTRIBUTE_STATIC)) {
4224 invoke_sig = mono_method_signature (del->method);
4225 target_method = del->method;
4226 static_method_with_first_arg_bound = TRUE;
4230 * For generic delegates, create a generic wrapper, and returns an instance to help AOT.
4232 if (method->is_inflated && !callvirt && !static_method_with_first_arg_bound) {
4233 orig_method = method;
4234 ctx = &((MonoMethodInflated*)method)->context;
4235 method = ((MonoMethodInflated*)method)->declaring;
4237 container = mono_method_get_generic_container (method);
4239 container = method->klass->generic_container;
4240 g_assert (container);
4242 invoke_sig = sig = mono_signature_no_pinvoke (method);
4249 cache = get_cache (&method->klass->image->delegate_invoke_generic_cache, mono_aligned_addr_hash, NULL);
4250 res = check_generic_delegate_wrapper_cache (cache, orig_method, method, ctx);
4253 } else if (callvirt || static_method_with_first_arg_bound) {
4254 GHashTable **cache_ptr;
4255 if (static_method_with_first_arg_bound)
4256 cache_ptr = &method->klass->image->delegate_bound_static_invoke_cache;
4258 cache_ptr = &method->klass->image->delegate_abstract_invoke_cache;
4260 /* We need to cache the signature+method pair */
4261 mono_marshal_lock ();
4263 *cache_ptr = g_hash_table_new_full (signature_method_pair_hash, (GEqualFunc)signature_method_pair_equal, (GDestroyNotify)free_signature_method_pair, NULL);
4265 key.sig = invoke_sig;
4266 key.method = target_method;
4267 res = g_hash_table_lookup (cache, &key);
4268 mono_marshal_unlock ();
4272 cache = get_cache (&method->klass->image->delegate_invoke_cache,
4273 (GHashFunc)mono_signature_hash,
4274 (GCompareFunc)mono_metadata_signature_equal);
4275 res = mono_marshal_find_in_cache (cache, sig);
4280 static_sig = signature_dup (method->klass->image, sig);
4281 static_sig->hasthis = 0;
4282 if (!static_method_with_first_arg_bound)
4283 invoke_sig = static_sig;
4285 name = mono_signature_to_name (sig, "invoke");
4287 mb = mono_mb_new (method->klass, name, MONO_WRAPPER_DELEGATE_INVOKE);
4289 mb = mono_mb_new (get_wrapper_target_class (method->klass->image), name, MONO_WRAPPER_DELEGATE_INVOKE);
4293 /* allocate local 0 (object) */
4294 local_target = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4295 local_prev = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4297 g_assert (sig->hasthis);
4301 * prev.Invoke( args .. );
4302 * return this.<target>( args .. );
4305 /* this wrapper can be used in unmanaged-managed transitions */
4306 emit_thread_interrupt_checkpoint (mb);
4308 /* get this->prev */
4309 mono_mb_emit_ldarg (mb, 0);
4310 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoMulticastDelegate, prev));
4311 mono_mb_emit_byte (mb, CEE_LDIND_REF);
4312 mono_mb_emit_stloc (mb, local_prev);
4313 mono_mb_emit_ldloc (mb, local_prev);
4315 /* if prev != null */
4316 pos0 = mono_mb_emit_branch (mb, CEE_BRFALSE);
4320 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4321 mono_mb_emit_byte (mb, CEE_MONO_NOT_TAKEN);
4323 mono_mb_emit_ldloc (mb, local_prev);
4324 for (i = 0; i < sig->param_count; i++)
4325 mono_mb_emit_ldarg (mb, i + 1);
4327 mono_mb_emit_op (mb, CEE_CALLVIRT, mono_class_inflate_generic_method (method, &container->context));
4329 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
4330 if (sig->ret->type != MONO_TYPE_VOID)
4331 mono_mb_emit_byte (mb, CEE_POP);
4333 /* continued or prev == null */
4334 mono_mb_patch_branch (mb, pos0);
4336 /* get this->target */
4337 mono_mb_emit_ldarg (mb, 0);
4338 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, target));
4339 mono_mb_emit_byte (mb, CEE_LDIND_REF);
4340 mono_mb_emit_stloc (mb, local_target);
4342 /*static methods with bound first arg can have null target and still be bound*/
4343 if (!static_method_with_first_arg_bound) {
4344 /* if target != null */
4345 mono_mb_emit_ldloc (mb, local_target);
4346 pos0 = mono_mb_emit_branch (mb, CEE_BRFALSE);
4348 /* then call this->method_ptr nonstatic */
4351 mono_mb_emit_exception_full (mb, "System", "NotImplementedException", "");
4353 mono_mb_emit_ldloc (mb, local_target);
4354 for (i = 0; i < sig->param_count; ++i)
4355 mono_mb_emit_ldarg (mb, i + 1);
4356 mono_mb_emit_ldarg (mb, 0);
4357 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, method_ptr));
4358 mono_mb_emit_byte (mb, CEE_LDIND_I );
4359 mono_mb_emit_op (mb, CEE_CALLI, sig);
4361 mono_mb_emit_byte (mb, CEE_RET);
4364 /* else [target == null] call this->method_ptr static */
4365 mono_mb_patch_branch (mb, pos0);
4369 if (!closed_over_null) {
4370 mono_mb_emit_ldarg (mb, 1);
4371 mono_mb_emit_op (mb, CEE_CASTCLASS, target_class);
4372 for (i = 1; i < sig->param_count; ++i)
4373 mono_mb_emit_ldarg (mb, i + 1);
4374 mono_mb_emit_op (mb, CEE_CALLVIRT, target_method);
4376 mono_mb_emit_byte (mb, CEE_LDNULL);
4377 for (i = 0; i < sig->param_count; ++i)
4378 mono_mb_emit_ldarg (mb, i + 1);
4379 mono_mb_emit_op (mb, CEE_CALL, target_method);
4382 if (static_method_with_first_arg_bound) {
4383 mono_mb_emit_ldloc (mb, local_target);
4384 if (!MONO_TYPE_IS_REFERENCE (invoke_sig->params[0]))
4385 mono_mb_emit_op (mb, CEE_UNBOX_ANY, mono_class_from_mono_type (invoke_sig->params[0]));
4387 for (i = 0; i < sig->param_count; ++i)
4388 mono_mb_emit_ldarg (mb, i + 1);
4389 mono_mb_emit_ldarg (mb, 0);
4390 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, method_ptr));
4391 mono_mb_emit_byte (mb, CEE_LDIND_I );
4392 mono_mb_emit_op (mb, CEE_CALLI, invoke_sig);
4395 mono_mb_emit_byte (mb, CEE_RET);
4397 mb->skip_visibility = 1;
4398 #endif /* DISABLE_JIT */
4403 def = mono_mb_create_and_cache (cache, method->klass, mb, sig, sig->param_count + 16);
4404 res = cache_generic_delegate_wrapper (cache, orig_method, def, ctx);
4405 } else if (static_method_with_first_arg_bound || callvirt) {
4406 // From mono_mb_create_and_cache
4407 newm = mono_mb_create_method (mb, sig, sig->param_count + 16);
4408 /*We perform double checked locking, so must fence before publishing*/
4409 mono_memory_barrier ();
4410 mono_marshal_lock ();
4411 res = g_hash_table_lookup (cache, &key);
4414 new_key = g_new0 (SignatureMethodPair, 1);
4416 if (static_method_with_first_arg_bound)
4417 new_key->sig = signature_dup (del->method->klass->image, key.sig);
4418 g_hash_table_insert (cache, new_key, res);
4419 mono_marshal_set_wrapper_info (res, new_key);
4420 mono_marshal_unlock ();
4422 mono_marshal_unlock ();
4423 mono_free_method (newm);
4426 res = mono_mb_create_and_cache (cache, sig, mb, sig, sig->param_count + 16);
4434 * signature_dup_add_this:
4436 * Make a copy of @sig, adding an explicit this argument.
4438 static MonoMethodSignature*
4439 signature_dup_add_this (MonoImage *image, MonoMethodSignature *sig, MonoClass *klass)
4441 MonoMethodSignature *res;
4444 res = mono_metadata_signature_alloc (image, sig->param_count + 1);
4445 memcpy (res, sig, MONO_SIZEOF_METHOD_SIGNATURE);
4446 res->param_count = sig->param_count + 1;
4447 res->hasthis = FALSE;
4448 for (i = sig->param_count - 1; i >= 0; i --)
4449 res->params [i + 1] = sig->params [i];
4450 res->params [0] = klass->valuetype ? &klass->this_arg : &klass->byval_arg;
4456 MonoMethodSignature *ctor_sig;
4457 MonoMethodSignature *sig;
4460 /* protected by the marshal lock, contains CtorSigPair pointers */
4461 static GSList *strsig_list = NULL;
4463 static MonoMethodSignature *
4464 lookup_string_ctor_signature (MonoMethodSignature *sig)
4466 MonoMethodSignature *callsig;
4470 mono_marshal_lock ();
4472 for (item = strsig_list; item; item = item->next) {
4474 /* mono_metadata_signature_equal () is safe to call with the marshal lock
4475 * because it is lock-free.
4477 if (mono_metadata_signature_equal (sig, cs->ctor_sig)) {
4482 mono_marshal_unlock ();
4486 static MonoMethodSignature *
4487 add_string_ctor_signature (MonoMethod *method)
4489 MonoMethodSignature *callsig;
4492 callsig = signature_dup (method->klass->image, mono_method_signature (method));
4493 callsig->ret = &mono_defaults.string_class->byval_arg;
4494 cs = g_new (CtorSigPair, 1);
4496 cs->ctor_sig = mono_method_signature (method);
4498 mono_marshal_lock ();
4499 strsig_list = g_slist_prepend (strsig_list, cs);
4500 mono_marshal_unlock ();
4505 * mono_marshal_get_string_ctor_signature:
4507 * Return the modified signature used by string ctors (they return the newly created
4510 MonoMethodSignature*
4511 mono_marshal_get_string_ctor_signature (MonoMethod *method)
4513 MonoMethodSignature *sig = lookup_string_ctor_signature (mono_method_signature (method));
4515 sig = add_string_ctor_signature (method);
4521 get_runtime_invoke_type (MonoType *t, gboolean ret)
4524 if (t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t)))
4526 /* Can't share this with 'I' as that needs another indirection */
4527 return &mono_defaults.int_class->this_arg;
4530 if (MONO_TYPE_IS_REFERENCE (t))
4531 return &mono_defaults.object_class->byval_arg;
4534 /* The result needs to be boxed */
4539 /* Can't share these as the argument needs to be loaded using sign/zero extension */
4542 return &mono_defaults.sbyte_class->byval_arg;
4544 return &mono_defaults.int16_class->byval_arg;
4546 return &mono_defaults.int32_class->byval_arg;
4549 return &mono_defaults.int64_class->byval_arg;
4550 case MONO_TYPE_BOOLEAN:
4551 return &mono_defaults.byte_class->byval_arg;
4552 case MONO_TYPE_CHAR:
4553 return &mono_defaults.uint16_class->byval_arg;
4556 return &mono_defaults.int_class->byval_arg;
4557 case MONO_TYPE_VALUETYPE:
4558 if (t->data.klass->enumtype) {
4559 t = mono_class_enum_basetype (t->data.klass);
4569 * mono_marshal_get_runtime_invoke_sig:
4571 * Return a common signature used for sharing runtime invoke wrappers.
4573 static MonoMethodSignature*
4574 mono_marshal_get_runtime_invoke_sig (MonoMethodSignature *sig)
4576 MonoMethodSignature *res = mono_metadata_signature_dup (sig);
4579 res->ret = get_runtime_invoke_type (sig->ret, TRUE);
4580 for (i = 0; i < res->param_count; ++i)
4581 res->params [i] = get_runtime_invoke_type (sig->params [i], FALSE);
4587 runtime_invoke_signature_equal (MonoMethodSignature *sig1, MonoMethodSignature *sig2)
4589 /* Can't share wrappers which return a vtype since it needs to be boxed */
4590 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))
4593 return mono_metadata_signature_equal (sig1, sig2);
4601 * Emit the call to the wrapper method from a runtime invoke wrapper.
4604 emit_invoke_call (MonoMethodBuilder *mb, MonoMethod *method,
4605 MonoMethodSignature *sig, MonoMethodSignature *callsig,
4607 gboolean virtual, gboolean need_direct_wrapper)
4609 static MonoString *string_dummy = NULL;
4611 int *tmp_nullable_locals;
4612 gboolean void_ret = FALSE;
4614 /* to make it work with our special string constructors */
4615 if (!string_dummy) {
4616 MONO_GC_REGISTER_ROOT_SINGLE (string_dummy);
4617 string_dummy = mono_string_new_wrapper ("dummy");
4621 g_assert (sig->hasthis);
4622 g_assert (method->flags & METHOD_ATTRIBUTE_VIRTUAL);
4626 if (method->string_ctor) {
4627 if (mono_gc_is_moving ()) {
4628 mono_mb_emit_ptr (mb, &string_dummy);
4629 mono_mb_emit_byte (mb, CEE_LDIND_REF);
4631 mono_mb_emit_ptr (mb, string_dummy);
4634 mono_mb_emit_ldarg (mb, 0);
4638 tmp_nullable_locals = g_new0 (int, sig->param_count);
4640 for (i = 0; i < sig->param_count; i++) {
4641 MonoType *t = sig->params [i];
4644 mono_mb_emit_ldarg (mb, 1);
4646 mono_mb_emit_icon (mb, sizeof (gpointer) * i);
4647 mono_mb_emit_byte (mb, CEE_ADD);
4651 mono_mb_emit_byte (mb, CEE_LDIND_I);
4652 /* A Nullable<T> type don't have a boxed form, it's either null or a boxed T.
4653 * So to make this work we unbox it to a local variablee and push a reference to that.
4655 if (t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t))) {
4656 tmp_nullable_locals [i] = mono_mb_add_local (mb, &mono_class_from_mono_type (t)->byval_arg);
4658 mono_mb_emit_op (mb, CEE_UNBOX_ANY, mono_class_from_mono_type (t));
4659 mono_mb_emit_stloc (mb, tmp_nullable_locals [i]);
4660 mono_mb_emit_ldloc_addr (mb, tmp_nullable_locals [i]);
4665 /*FIXME 'this doesn't handle generic enums. Shouldn't we?*/
4666 type = sig->params [i]->type;
4670 case MONO_TYPE_BOOLEAN:
4674 case MONO_TYPE_CHAR:
4683 mono_mb_emit_byte (mb, CEE_LDIND_I);
4684 mono_mb_emit_byte (mb, mono_type_to_ldind (sig->params [i]));
4686 case MONO_TYPE_STRING:
4687 case MONO_TYPE_CLASS:
4688 case MONO_TYPE_ARRAY:
4690 case MONO_TYPE_SZARRAY:
4691 case MONO_TYPE_OBJECT:
4692 mono_mb_emit_byte (mb, mono_type_to_ldind (sig->params [i]));
4694 case MONO_TYPE_GENERICINST:
4695 if (!mono_type_generic_inst_is_valuetype (sig->params [i])) {
4696 mono_mb_emit_byte (mb, mono_type_to_ldind (sig->params [i]));
4701 case MONO_TYPE_VALUETYPE:
4702 if (type == MONO_TYPE_VALUETYPE && t->data.klass->enumtype) {
4703 type = mono_class_enum_basetype (t->data.klass)->type;
4706 mono_mb_emit_byte (mb, CEE_LDIND_I);
4707 if (mono_class_is_nullable (mono_class_from_mono_type (sig->params [i]))) {
4708 /* Need to convert a boxed vtype to an mp to a Nullable struct */
4709 mono_mb_emit_op (mb, CEE_UNBOX, mono_class_from_mono_type (sig->params [i]));
4710 mono_mb_emit_op (mb, CEE_LDOBJ, mono_class_from_mono_type (sig->params [i]));
4712 mono_mb_emit_op (mb, CEE_LDOBJ, mono_class_from_mono_type (sig->params [i]));
4716 g_assert_not_reached ();
4721 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
4722 } else if (need_direct_wrapper) {
4723 mono_mb_emit_op (mb, CEE_CALL, method);
4725 mono_mb_emit_ldarg (mb, 3);
4726 mono_mb_emit_calli (mb, callsig);
4729 if (sig->ret->byref) {
4731 g_assert_not_reached ();
4734 switch (sig->ret->type) {
4735 case MONO_TYPE_VOID:
4736 if (!method->string_ctor)
4739 case MONO_TYPE_BOOLEAN:
4740 case MONO_TYPE_CHAR:
4753 case MONO_TYPE_VALUETYPE:
4754 case MONO_TYPE_TYPEDBYREF:
4755 case MONO_TYPE_GENERICINST:
4756 /* box value types */
4757 mono_mb_emit_op (mb, CEE_BOX, mono_class_from_mono_type (sig->ret));
4759 case MONO_TYPE_STRING:
4760 case MONO_TYPE_CLASS:
4761 case MONO_TYPE_ARRAY:
4762 case MONO_TYPE_SZARRAY:
4763 case MONO_TYPE_OBJECT:
4767 /* The result is an IntPtr */
4768 mono_mb_emit_op (mb, CEE_BOX, mono_defaults.int_class);
4771 g_assert_not_reached ();
4775 mono_mb_emit_stloc (mb, loc_res);
4777 /* Convert back nullable-byref arguments */
4778 for (i = 0; i < sig->param_count; i++) {
4779 MonoType *t = sig->params [i];
4782 * Box the result and put it back into the array, the caller will have
4783 * to obtain it from there.
4785 if (t->byref && t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t))) {
4786 mono_mb_emit_ldarg (mb, 1);
4787 mono_mb_emit_icon (mb, sizeof (gpointer) * i);
4788 mono_mb_emit_byte (mb, CEE_ADD);
4790 mono_mb_emit_ldloc (mb, tmp_nullable_locals [i]);
4791 mono_mb_emit_op (mb, CEE_BOX, mono_class_from_mono_type (t));
4793 mono_mb_emit_byte (mb, CEE_STIND_REF);
4797 g_free (tmp_nullable_locals);
4801 emit_runtime_invoke_body (MonoMethodBuilder *mb, MonoClass *target_klass, MonoMethod *method,
4802 MonoMethodSignature *sig, MonoMethodSignature *callsig,
4803 gboolean virtual, gboolean need_direct_wrapper)
4806 MonoExceptionClause *clause;
4807 int loc_res, loc_exc;
4809 /* The wrapper looks like this:
4815 * } catch (Exception e) {
4823 /* allocate local 0 (object) tmp */
4824 loc_res = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4825 /* allocate local 1 (object) exc */
4826 loc_exc = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4828 /* *exc is assumed to be initialized to NULL by the caller */
4830 mono_mb_emit_byte (mb, CEE_LDARG_2);
4831 labels [0] = mono_mb_emit_branch (mb, CEE_BRFALSE);
4836 labels [1] = mono_mb_get_label (mb);
4837 emit_thread_force_interrupt_checkpoint (mb);
4838 emit_invoke_call (mb, method, sig, callsig, loc_res, virtual, need_direct_wrapper);
4840 labels [2] = mono_mb_emit_branch (mb, CEE_LEAVE);
4842 /* Add a try clause around the call */
4843 clause = mono_image_alloc0 (target_klass->image, sizeof (MonoExceptionClause));
4844 clause->flags = MONO_EXCEPTION_CLAUSE_NONE;
4845 clause->data.catch_class = mono_defaults.exception_class;
4846 clause->try_offset = labels [1];
4847 clause->try_len = mono_mb_get_label (mb) - labels [1];
4849 clause->handler_offset = mono_mb_get_label (mb);
4852 mono_mb_emit_stloc (mb, loc_exc);
4853 mono_mb_emit_byte (mb, CEE_LDARG_2);
4854 mono_mb_emit_ldloc (mb, loc_exc);
4855 mono_mb_emit_byte (mb, CEE_STIND_REF);
4857 mono_mb_emit_branch (mb, CEE_LEAVE);
4859 clause->handler_len = mono_mb_get_pos (mb) - clause->handler_offset;
4861 mono_mb_set_clauses (mb, 1, clause);
4863 mono_mb_patch_branch (mb, labels [2]);
4864 mono_mb_emit_ldloc (mb, loc_res);
4865 mono_mb_emit_byte (mb, CEE_RET);
4870 mono_mb_patch_branch (mb, labels [0]);
4871 emit_thread_force_interrupt_checkpoint (mb);
4872 emit_invoke_call (mb, method, sig, callsig, loc_res, virtual, need_direct_wrapper);
4874 mono_mb_emit_ldloc (mb, 0);
4875 mono_mb_emit_byte (mb, CEE_RET);
4880 * generates IL code for the runtime invoke function
4881 * MonoObject *runtime_invoke (MonoObject *this, void **params, MonoObject **exc, void* method)
4883 * we also catch exceptions if exc != null
4884 * If VIRTUAL is TRUE, then METHOD is invoked virtually on THIS. This is useful since
4885 * it means that the compiled code for METHOD does not have to be looked up
4886 * before calling the runtime invoke wrapper. In this case, the wrapper ignores
4887 * its METHOD argument.
4890 mono_marshal_get_runtime_invoke (MonoMethod *method, gboolean virtual)
4892 MonoMethodSignature *sig, *csig, *callsig;
4893 MonoMethodBuilder *mb;
4894 GHashTable *cache = NULL;
4895 MonoClass *target_klass;
4896 MonoMethod *res = NULL;
4897 static MonoMethodSignature *cctor_signature = NULL;
4898 static MonoMethodSignature *finalize_signature = NULL;
4900 const char *param_names [16];
4901 gboolean need_direct_wrapper = FALSE;
4906 if (!cctor_signature) {
4907 cctor_signature = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
4908 cctor_signature->ret = &mono_defaults.void_class->byval_arg;
4910 if (!finalize_signature) {
4911 finalize_signature = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
4912 finalize_signature->ret = &mono_defaults.void_class->byval_arg;
4913 finalize_signature->hasthis = 1;
4917 need_direct_wrapper = TRUE;
4920 * Use a separate cache indexed by methods to speed things up and to avoid the
4921 * boundless mempool growth caused by the signature_dup stuff below.
4924 cache = get_cache (&method->klass->image->runtime_invoke_vcall_cache, mono_aligned_addr_hash, NULL);
4926 cache = get_cache (&method->klass->image->runtime_invoke_direct_cache, mono_aligned_addr_hash, NULL);
4927 res = mono_marshal_find_in_cache (cache, method);
4931 if (method->klass->rank && (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
4932 (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)) {
4934 * Array Get/Set/Address methods. The JIT implements them using inline code
4935 * so we need to create an invoke wrapper which calls the method directly.
4937 need_direct_wrapper = TRUE;
4940 if (method->string_ctor) {
4941 callsig = lookup_string_ctor_signature (mono_method_signature (method));
4943 callsig = add_string_ctor_signature (method);
4944 /* Can't share this as we push a string as this */
4945 need_direct_wrapper = TRUE;
4947 if (method->dynamic)
4948 callsig = signature_dup (method->klass->image, mono_method_signature (method));
4950 callsig = mono_method_signature (method);
4953 target_klass = get_wrapper_target_class (method->klass->image);
4955 /* Try to share wrappers for non-corlib methods with simple signatures */
4956 if (mono_metadata_signature_equal (callsig, cctor_signature)) {
4957 callsig = cctor_signature;
4958 target_klass = mono_defaults.object_class;
4959 } else if (mono_metadata_signature_equal (callsig, finalize_signature)) {
4960 callsig = finalize_signature;
4961 target_klass = mono_defaults.object_class;
4964 if (need_direct_wrapper) {
4965 /* Already searched at the start */
4967 MonoMethodSignature *tmp_sig;
4969 callsig = mono_marshal_get_runtime_invoke_sig (callsig);
4971 cache = get_cache (&target_klass->image->runtime_invoke_cache,
4972 (GHashFunc)mono_signature_hash,
4973 (GCompareFunc)runtime_invoke_signature_equal);
4975 /* from mono_marshal_find_in_cache */
4976 mono_marshal_lock ();
4977 res = g_hash_table_lookup (cache, callsig);
4978 mono_marshal_unlock ();
4985 /* Make a copy of the signature from the image mempool */
4987 callsig = mono_metadata_signature_dup_full (target_klass->image, callsig);
4991 sig = mono_method_signature (method);
4993 csig = mono_metadata_signature_alloc (target_klass->image, 4);
4995 csig->ret = &mono_defaults.object_class->byval_arg;
4996 if (method->klass->valuetype && mono_method_signature (method)->hasthis)
4997 csig->params [0] = get_runtime_invoke_type (&method->klass->this_arg, FALSE);
4999 csig->params [0] = &mono_defaults.object_class->byval_arg;
5000 csig->params [1] = &mono_defaults.int_class->byval_arg;
5001 csig->params [2] = &mono_defaults.int_class->byval_arg;
5002 csig->params [3] = &mono_defaults.int_class->byval_arg;
5005 /* This is called from runtime code so it has to be cdecl */
5006 csig->call_convention = MONO_CALL_C;
5009 name = mono_signature_to_name (callsig, virtual ? "runtime_invoke_virtual" : "runtime_invoke");
5010 mb = mono_mb_new (target_klass, name, MONO_WRAPPER_RUNTIME_INVOKE);
5014 param_names [0] = "this";
5015 param_names [1] = "params";
5016 param_names [2] = "exc";
5017 param_names [3] = "method";
5018 mono_mb_set_param_names (mb, param_names);
5020 emit_runtime_invoke_body (mb, target_klass, method, sig, callsig, virtual, need_direct_wrapper);
5023 if (need_direct_wrapper) {
5025 mb->skip_visibility = 1;
5027 res = mono_mb_create_and_cache (cache, method, mb, csig, sig->param_count + 16);
5028 info = mono_wrapper_info_create (res, virtual ? WRAPPER_SUBTYPE_RUNTIME_INVOKE_VIRTUAL : WRAPPER_SUBTYPE_RUNTIME_INVOKE_DIRECT);
5029 info->d.runtime_invoke.method = method;
5030 mono_marshal_set_wrapper_info (res, info);
5032 /* taken from mono_mb_create_and_cache */
5033 mono_marshal_lock ();
5034 res = g_hash_table_lookup (cache, callsig);
5035 mono_marshal_unlock ();
5037 /* Somebody may have created it before us */
5040 newm = mono_mb_create_method (mb, csig, sig->param_count + 16);
5042 mono_marshal_lock ();
5043 res = g_hash_table_lookup (cache, callsig);
5046 g_hash_table_insert (cache, callsig, res);
5047 /* Can't insert it into wrapper_hash since the key is a signature */
5048 g_hash_table_insert (method->klass->image->runtime_invoke_direct_cache, method, res);
5049 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_RUNTIME_INVOKE_NORMAL);
5050 info->d.runtime_invoke.sig = callsig;
5051 mono_marshal_set_wrapper_info (res, info);
5053 mono_free_method (newm);
5055 mono_marshal_unlock ();
5058 /* end mono_mb_create_and_cache */
5067 * mono_marshal_get_runtime_invoke_dynamic:
5069 * Return a method which can be used to invoke managed methods from native code
5071 * The signature of the returned method is given by RuntimeInvokeDynamicFunction:
5072 * void runtime_invoke (void *args, MonoObject **exc, void *compiled_method)
5073 * ARGS should point to an architecture specific structure containing
5074 * the arguments and space for the return value.
5075 * The other arguments are the same as for runtime_invoke (), except that
5076 * ARGS should contain the this argument too.
5077 * This wrapper serves the same purpose as the runtime-invoke wrappers, but there
5078 * is only one copy of it, which is useful in full-aot.
5079 * The wrapper info for the wrapper is a WrapperInfo structure.
5082 mono_marshal_get_runtime_invoke_dynamic (void)
5084 static MonoMethod *method;
5085 MonoMethodSignature *csig;
5086 MonoExceptionClause *clause;
5087 MonoMethodBuilder *mb;
5095 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
5097 csig->ret = &mono_defaults.void_class->byval_arg;
5098 csig->params [0] = &mono_defaults.int_class->byval_arg;
5099 csig->params [1] = &mono_defaults.int_class->byval_arg;
5100 csig->params [2] = &mono_defaults.int_class->byval_arg;
5101 csig->params [3] = &mono_defaults.int_class->byval_arg;
5103 name = g_strdup ("runtime_invoke_dynamic");
5104 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_RUNTIME_INVOKE);
5108 /* allocate local 0 (object) tmp */
5109 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
5110 /* allocate local 1 (object) exc */
5111 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
5113 /* cond set *exc to null */
5114 mono_mb_emit_byte (mb, CEE_LDARG_1);
5115 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
5116 mono_mb_emit_byte (mb, 3);
5117 mono_mb_emit_byte (mb, CEE_LDARG_1);
5118 mono_mb_emit_byte (mb, CEE_LDNULL);
5119 mono_mb_emit_byte (mb, CEE_STIND_REF);
5121 emit_thread_force_interrupt_checkpoint (mb);
5123 mono_mb_emit_byte (mb, CEE_LDARG_0);
5124 mono_mb_emit_byte (mb, CEE_LDARG_2);
5125 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5126 mono_mb_emit_byte (mb, CEE_MONO_DYN_CALL);
5128 pos = mono_mb_emit_branch (mb, CEE_LEAVE);
5130 clause = mono_image_alloc0 (mono_defaults.corlib, sizeof (MonoExceptionClause));
5131 clause->flags = MONO_EXCEPTION_CLAUSE_FILTER;
5132 clause->try_len = mono_mb_get_label (mb);
5135 clause->data.filter_offset = mono_mb_get_label (mb);
5137 mono_mb_emit_byte (mb, CEE_POP);
5138 mono_mb_emit_byte (mb, CEE_LDARG_1);
5139 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
5140 mono_mb_emit_byte (mb, CEE_PREFIX1);
5141 mono_mb_emit_byte (mb, CEE_CGT_UN);
5142 mono_mb_emit_byte (mb, CEE_PREFIX1);
5143 mono_mb_emit_byte (mb, CEE_ENDFILTER);
5145 clause->handler_offset = mono_mb_get_label (mb);
5148 /* store exception */
5149 mono_mb_emit_stloc (mb, 1);
5151 mono_mb_emit_byte (mb, CEE_LDARG_1);
5152 mono_mb_emit_ldloc (mb, 1);
5153 mono_mb_emit_byte (mb, CEE_STIND_REF);
5155 mono_mb_emit_byte (mb, CEE_LDNULL);
5156 mono_mb_emit_stloc (mb, 0);
5158 /* Check for the abort exception */
5159 mono_mb_emit_ldloc (mb, 1);
5160 mono_mb_emit_op (mb, CEE_ISINST, mono_defaults.threadabortexception_class);
5161 posna = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
5163 /* Delay the abort exception */
5164 mono_mb_emit_icall (mb, ves_icall_System_Threading_Thread_ResetAbort);
5166 mono_mb_patch_short_branch (mb, posna);
5167 mono_mb_emit_branch (mb, CEE_LEAVE);
5169 clause->handler_len = mono_mb_get_pos (mb) - clause->handler_offset;
5171 mono_mb_set_clauses (mb, 1, clause);
5174 mono_mb_patch_branch (mb, pos);
5175 //mono_mb_emit_ldloc (mb, 0);
5176 mono_mb_emit_byte (mb, CEE_RET);
5177 #endif /* DISABLE_JIT */
5179 mono_loader_lock ();
5180 /* double-checked locking */
5182 method = mono_mb_create_method (mb, csig, 16);
5183 info = mono_wrapper_info_create (method, WRAPPER_SUBTYPE_RUNTIME_INVOKE_DYNAMIC);
5184 mono_marshal_set_wrapper_info (method, info);
5186 mono_loader_unlock ();
5195 mono_mb_emit_auto_layout_exception (MonoMethodBuilder *mb, MonoClass *klass)
5197 char *msg = g_strdup_printf ("The type `%s.%s' layout needs to be Sequential or Explicit",
5198 klass->name_space, klass->name);
5200 mono_mb_emit_exception_marshal_directive (mb, msg);
5204 #ifndef DISABLE_REMOTING
5206 * mono_marshal_get_ldfld_remote_wrapper:
5207 * @klass: The return type
5209 * This method generates a wrapper for calling mono_load_remote_field_new.
5210 * The return type is ignored for now, as mono_load_remote_field_new () always
5211 * returns an object. In the future, to optimize some codepaths, we might
5212 * call a different function that takes a pointer to a valuetype, instead.
5215 mono_marshal_get_ldfld_remote_wrapper (MonoClass *klass)
5217 MonoMethodSignature *sig, *csig;
5218 MonoMethodBuilder *mb;
5220 static MonoMethod* cached = NULL;
5222 mono_marshal_lock ();
5224 mono_marshal_unlock ();
5227 mono_marshal_unlock ();
5229 mb = mono_mb_new_no_dup_name (mono_defaults.object_class, "__mono_load_remote_field_new_wrapper", MONO_WRAPPER_LDFLD_REMOTE);
5231 mb->method->save_lmf = 1;
5233 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
5234 sig->params [0] = &mono_defaults.object_class->byval_arg;
5235 sig->params [1] = &mono_defaults.int_class->byval_arg;
5236 sig->params [2] = &mono_defaults.int_class->byval_arg;
5237 sig->ret = &mono_defaults.object_class->byval_arg;
5240 mono_mb_emit_ldarg (mb, 0);
5241 mono_mb_emit_ldarg (mb, 1);
5242 mono_mb_emit_ldarg (mb, 2);
5244 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
5245 csig->params [0] = &mono_defaults.object_class->byval_arg;
5246 csig->params [1] = &mono_defaults.int_class->byval_arg;
5247 csig->params [2] = &mono_defaults.int_class->byval_arg;
5248 csig->ret = &mono_defaults.object_class->byval_arg;
5251 mono_mb_emit_native_call (mb, csig, mono_load_remote_field_new);
5252 emit_thread_interrupt_checkpoint (mb);
5254 mono_mb_emit_byte (mb, CEE_RET);
5257 mono_marshal_lock ();
5259 mono_marshal_unlock ();
5262 newm = mono_mb_create_method (mb, sig, 4);
5263 mono_marshal_lock ();
5268 mono_marshal_unlock ();
5270 mono_marshal_unlock ();
5271 mono_free_method (newm);
5280 * mono_marshal_get_ldfld_wrapper:
5281 * @type: the type of the field
5283 * This method generates a function which can be use to load a field with type
5284 * @type from an object. The generated function has the following signature:
5285 * <@type> ldfld_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset)
5288 mono_marshal_get_ldfld_wrapper (MonoType *type)
5290 MonoMethodSignature *sig;
5291 MonoMethodBuilder *mb;
5296 int t, pos0, pos1 = 0;
5298 type = mono_type_get_underlying_type (type);
5303 if (type->type == MONO_TYPE_SZARRAY) {
5304 klass = mono_defaults.array_class;
5305 } else if (type->type == MONO_TYPE_VALUETYPE) {
5306 klass = type->data.klass;
5307 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING) {
5308 klass = mono_defaults.object_class;
5309 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
5310 klass = mono_defaults.int_class;
5311 } else if (t == MONO_TYPE_GENERICINST) {
5312 if (mono_type_generic_inst_is_valuetype (type))
5313 klass = mono_class_from_mono_type (type);
5315 klass = mono_defaults.object_class;
5317 klass = mono_class_from_mono_type (type);
5320 klass = mono_defaults.int_class;
5323 cache = get_cache (&klass->image->ldfld_wrapper_cache, mono_aligned_addr_hash, NULL);
5324 if ((res = mono_marshal_find_in_cache (cache, klass)))
5327 /* we add the %p pointer value of klass because class names are not unique */
5328 name = g_strdup_printf ("__ldfld_wrapper_%p_%s.%s", klass, klass->name_space, klass->name);
5329 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_LDFLD);
5332 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
5333 sig->params [0] = &mono_defaults.object_class->byval_arg;
5334 sig->params [1] = &mono_defaults.int_class->byval_arg;
5335 sig->params [2] = &mono_defaults.int_class->byval_arg;
5336 sig->params [3] = &mono_defaults.int_class->byval_arg;
5337 sig->ret = &klass->byval_arg;
5340 mono_mb_emit_ldarg (mb, 0);
5341 pos0 = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
5343 mono_mb_emit_ldarg (mb, 0);
5344 mono_mb_emit_ldarg (mb, 1);
5345 mono_mb_emit_ldarg (mb, 2);
5347 mono_mb_emit_managed_call (mb, mono_marshal_get_ldfld_remote_wrapper (klass), NULL);
5350 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
5351 csig->params [0] = &mono_defaults.object_class->byval_arg;
5352 csig->params [1] = &mono_defaults.int_class->byval_arg;
5353 csig->params [2] = &mono_defaults.int_class->byval_arg;
5354 csig->ret = &klass->this_arg;
5357 mono_mb_emit_native_call (mb, csig, mono_load_remote_field_new);
5358 emit_thread_interrupt_checkpoint (mb);
5361 if (klass->valuetype) {
5362 mono_mb_emit_op (mb, CEE_UNBOX, klass);
5363 pos1 = mono_mb_emit_branch (mb, CEE_BR);
5365 mono_mb_emit_byte (mb, CEE_RET);
5369 mono_mb_patch_branch (mb, pos0);
5371 mono_mb_emit_ldarg (mb, 0);
5372 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5373 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
5374 mono_mb_emit_ldarg (mb, 3);
5375 mono_mb_emit_byte (mb, CEE_ADD);
5377 if (klass->valuetype)
5378 mono_mb_patch_branch (mb, pos1);
5383 case MONO_TYPE_BOOLEAN:
5384 case MONO_TYPE_CHAR:
5393 case MONO_TYPE_ARRAY:
5394 case MONO_TYPE_SZARRAY:
5395 case MONO_TYPE_OBJECT:
5396 case MONO_TYPE_CLASS:
5397 case MONO_TYPE_STRING:
5401 case MONO_TYPE_FNPTR:
5402 mono_mb_emit_byte (mb, mono_type_to_ldind (type));
5404 case MONO_TYPE_VALUETYPE:
5405 g_assert (!klass->enumtype);
5406 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
5408 case MONO_TYPE_GENERICINST:
5409 if (mono_type_generic_inst_is_valuetype (type)) {
5410 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
5412 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5416 case MONO_TYPE_MVAR:
5417 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
5420 g_warning ("type %x not implemented", type->type);
5421 g_assert_not_reached ();
5424 mono_mb_emit_byte (mb, CEE_RET);
5425 #endif /* DISABLE_JIT */
5427 res = mono_mb_create_and_cache (cache, klass,
5428 mb, sig, sig->param_count + 16);
5435 * mono_marshal_get_ldflda_wrapper:
5436 * @type: the type of the field
5438 * This method generates a function which can be used to load a field address
5439 * from an object. The generated function has the following signature:
5440 * gpointer ldflda_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset);
5443 mono_marshal_get_ldflda_wrapper (MonoType *type)
5445 MonoMethodSignature *sig;
5446 MonoMethodBuilder *mb;
5451 int t, pos0, pos1, pos2, pos3;
5453 type = mono_type_get_underlying_type (type);
5457 if (type->type == MONO_TYPE_SZARRAY) {
5458 klass = mono_defaults.array_class;
5459 } else if (type->type == MONO_TYPE_VALUETYPE) {
5460 klass = type->data.klass;
5461 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING ||
5462 t == MONO_TYPE_CLASS) {
5463 klass = mono_defaults.object_class;
5464 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
5465 klass = mono_defaults.int_class;
5466 } else if (t == MONO_TYPE_GENERICINST) {
5467 if (mono_type_generic_inst_is_valuetype (type))
5468 klass = mono_class_from_mono_type (type);
5470 klass = mono_defaults.object_class;
5472 klass = mono_class_from_mono_type (type);
5475 klass = mono_defaults.int_class;
5478 cache = get_cache (&klass->image->ldflda_wrapper_cache, mono_aligned_addr_hash, NULL);
5479 if ((res = mono_marshal_find_in_cache (cache, klass)))
5482 /* we add the %p pointer value of klass because class names are not unique */
5483 name = g_strdup_printf ("__ldflda_wrapper_%p_%s.%s", klass, klass->name_space, klass->name);
5484 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_LDFLDA);
5487 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
5488 sig->params [0] = &mono_defaults.object_class->byval_arg;
5489 sig->params [1] = &mono_defaults.int_class->byval_arg;
5490 sig->params [2] = &mono_defaults.int_class->byval_arg;
5491 sig->params [3] = &mono_defaults.int_class->byval_arg;
5492 sig->ret = &mono_defaults.int_class->byval_arg;
5495 /* if typeof (this) != transparent_proxy goto pos0 */
5496 mono_mb_emit_ldarg (mb, 0);
5497 pos0 = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
5499 /* if same_appdomain goto pos1 */
5500 mono_mb_emit_ldarg (mb, 0);
5501 pos1 = mono_mb_emit_xdomain_check (mb, CEE_BEQ);
5503 mono_mb_emit_exception_full (mb, "System", "InvalidOperationException", "Attempt to load field address from object in another appdomain.");
5505 /* same app domain */
5506 mono_mb_patch_branch (mb, pos1);
5508 /* if typeof (this) != contextbound goto pos2 */
5509 mono_mb_emit_ldarg (mb, 0);
5510 pos2 = mono_mb_emit_contextbound_check (mb, CEE_BEQ);
5512 /* if this->rp->context == mono_context_get goto pos3 */
5513 mono_mb_emit_ldarg (mb, 0);
5514 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
5515 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5516 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoRealProxy, context));
5517 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5518 mono_mb_emit_icall (mb, mono_context_get);
5519 pos3 = mono_mb_emit_branch (mb, CEE_BEQ);
5521 mono_mb_emit_exception_full (mb, "System", "InvalidOperationException", "Attempt to load field address from object in another context.");
5523 mono_mb_patch_branch (mb, pos2);
5524 mono_mb_patch_branch (mb, pos3);
5526 /* return the address of the field from this->rp->unwrapped_server */
5527 mono_mb_emit_ldarg (mb, 0);
5528 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
5529 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5530 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoRealProxy, unwrapped_server));
5531 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5532 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5533 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
5534 mono_mb_emit_ldarg (mb, 3);
5535 mono_mb_emit_byte (mb, CEE_ADD);
5536 mono_mb_emit_byte (mb, CEE_RET);
5538 /* not a proxy: return the address of the field directly */
5539 mono_mb_patch_branch (mb, pos0);
5541 mono_mb_emit_ldarg (mb, 0);
5542 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5543 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
5544 mono_mb_emit_ldarg (mb, 3);
5545 mono_mb_emit_byte (mb, CEE_ADD);
5547 mono_mb_emit_byte (mb, CEE_RET);
5550 res = mono_mb_create_and_cache (cache, klass,
5551 mb, sig, sig->param_count + 16);
5558 * mono_marshal_get_stfld_remote_wrapper:
5559 * klass: The type of the field
5561 * This function generates a wrapper for calling mono_store_remote_field_new
5562 * with the appropriate signature.
5563 * Similarly to mono_marshal_get_ldfld_remote_wrapper () this doesn't depend on the
5564 * klass argument anymore.
5567 mono_marshal_get_stfld_remote_wrapper (MonoClass *klass)
5569 MonoMethodSignature *sig, *csig;
5570 MonoMethodBuilder *mb;
5572 static MonoMethod *cached = NULL;
5574 mono_marshal_lock ();
5576 mono_marshal_unlock ();
5579 mono_marshal_unlock ();
5581 mb = mono_mb_new_no_dup_name (mono_defaults.object_class, "__mono_store_remote_field_new_wrapper", MONO_WRAPPER_STFLD_REMOTE);
5583 mb->method->save_lmf = 1;
5585 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
5586 sig->params [0] = &mono_defaults.object_class->byval_arg;
5587 sig->params [1] = &mono_defaults.int_class->byval_arg;
5588 sig->params [2] = &mono_defaults.int_class->byval_arg;
5589 sig->params [3] = &mono_defaults.object_class->byval_arg;
5590 sig->ret = &mono_defaults.void_class->byval_arg;
5593 mono_mb_emit_ldarg (mb, 0);
5594 mono_mb_emit_ldarg (mb, 1);
5595 mono_mb_emit_ldarg (mb, 2);
5596 mono_mb_emit_ldarg (mb, 3);
5598 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
5599 csig->params [0] = &mono_defaults.object_class->byval_arg;
5600 csig->params [1] = &mono_defaults.int_class->byval_arg;
5601 csig->params [2] = &mono_defaults.int_class->byval_arg;
5602 csig->params [3] = &mono_defaults.object_class->byval_arg;
5603 csig->ret = &mono_defaults.void_class->byval_arg;
5606 mono_mb_emit_native_call (mb, csig, mono_store_remote_field_new);
5607 emit_thread_interrupt_checkpoint (mb);
5609 mono_mb_emit_byte (mb, CEE_RET);
5612 mono_marshal_lock ();
5614 mono_marshal_unlock ();
5617 newm = mono_mb_create_method (mb, sig, 6);
5618 mono_marshal_lock ();
5623 mono_marshal_unlock ();
5625 mono_marshal_unlock ();
5626 mono_free_method (newm);
5635 * mono_marshal_get_stfld_wrapper:
5636 * @type: the type of the field
5638 * This method generates a function which can be use to store a field with type
5639 * @type. The generated function has the following signature:
5640 * void stfld_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset, <@type> val)
5643 mono_marshal_get_stfld_wrapper (MonoType *type)
5645 MonoMethodSignature *sig;
5646 MonoMethodBuilder *mb;
5653 type = mono_type_get_underlying_type (type);
5657 if (type->type == MONO_TYPE_SZARRAY) {
5658 klass = mono_defaults.array_class;
5659 } else if (type->type == MONO_TYPE_VALUETYPE) {
5660 klass = type->data.klass;
5661 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING) {
5662 klass = mono_defaults.object_class;
5663 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
5664 klass = mono_defaults.int_class;
5665 } else if (t == MONO_TYPE_GENERICINST) {
5666 if (mono_type_generic_inst_is_valuetype (type))
5667 klass = mono_class_from_mono_type (type);
5669 klass = mono_defaults.object_class;
5671 klass = mono_class_from_mono_type (type);
5674 klass = mono_defaults.int_class;
5677 cache = get_cache (&klass->image->stfld_wrapper_cache, mono_aligned_addr_hash, NULL);
5678 if ((res = mono_marshal_find_in_cache (cache, klass)))
5681 /* we add the %p pointer value of klass because class names are not unique */
5682 name = g_strdup_printf ("__stfld_wrapper_%p_%s.%s", klass, klass->name_space, klass->name);
5683 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_STFLD);
5686 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 5);
5687 sig->params [0] = &mono_defaults.object_class->byval_arg;
5688 sig->params [1] = &mono_defaults.int_class->byval_arg;
5689 sig->params [2] = &mono_defaults.int_class->byval_arg;
5690 sig->params [3] = &mono_defaults.int_class->byval_arg;
5691 sig->params [4] = &klass->byval_arg;
5692 sig->ret = &mono_defaults.void_class->byval_arg;
5695 mono_mb_emit_ldarg (mb, 0);
5696 pos = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
5698 mono_mb_emit_ldarg (mb, 0);
5699 mono_mb_emit_ldarg (mb, 1);
5700 mono_mb_emit_ldarg (mb, 2);
5701 mono_mb_emit_ldarg (mb, 4);
5702 if (klass->valuetype)
5703 mono_mb_emit_op (mb, CEE_BOX, klass);
5705 mono_mb_emit_managed_call (mb, mono_marshal_get_stfld_remote_wrapper (klass), NULL);
5707 mono_mb_emit_byte (mb, CEE_RET);
5709 mono_mb_patch_branch (mb, pos);
5711 mono_mb_emit_ldarg (mb, 0);
5712 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5713 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
5714 mono_mb_emit_ldarg (mb, 3);
5715 mono_mb_emit_byte (mb, CEE_ADD);
5716 mono_mb_emit_ldarg (mb, 4);
5721 case MONO_TYPE_BOOLEAN:
5722 case MONO_TYPE_CHAR:
5731 case MONO_TYPE_ARRAY:
5732 case MONO_TYPE_SZARRAY:
5733 case MONO_TYPE_OBJECT:
5734 case MONO_TYPE_CLASS:
5735 case MONO_TYPE_STRING:
5739 case MONO_TYPE_FNPTR:
5740 mono_mb_emit_byte (mb, mono_type_to_stind (type));
5742 case MONO_TYPE_VALUETYPE:
5743 g_assert (!klass->enumtype);
5744 mono_mb_emit_op (mb, CEE_STOBJ, klass);
5746 case MONO_TYPE_GENERICINST:
5748 case MONO_TYPE_MVAR:
5749 mono_mb_emit_op (mb, CEE_STOBJ, klass);
5752 g_warning ("type %x not implemented", type->type);
5753 g_assert_not_reached ();
5756 mono_mb_emit_byte (mb, CEE_RET);
5759 res = mono_mb_create_and_cache (cache, klass,
5760 mb, sig, sig->param_count + 16);
5765 #endif /* DISABLE_REMOTING */
5768 * generates IL code for the icall wrapper (the generated method
5769 * calls the unmanaged code in func)
5770 * The wrapper info for the wrapper is a WrapperInfo structure.
5773 mono_marshal_get_icall_wrapper (MonoMethodSignature *sig, const char *name, gconstpointer func, gboolean check_exceptions)
5775 MonoMethodSignature *csig, *csig2;
5776 MonoMethodBuilder *mb;
5781 g_assert (sig->pinvoke);
5783 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_MANAGED_TO_NATIVE);
5785 mb->method->save_lmf = 1;
5787 /* Add an explicit this argument */
5789 csig2 = signature_dup_add_this (mono_defaults.corlib, sig, mono_defaults.object_class);
5791 csig2 = signature_dup (mono_defaults.corlib, sig);
5795 mono_mb_emit_byte (mb, CEE_LDARG_0);
5797 for (i = 0; i < sig->param_count; i++)
5798 mono_mb_emit_ldarg (mb, i + sig->hasthis);
5800 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5801 mono_mb_emit_op (mb, CEE_MONO_JIT_ICALL_ADDR, (gpointer)func);
5802 mono_mb_emit_calli (mb, csig2);
5803 if (check_exceptions)
5804 emit_thread_interrupt_checkpoint (mb);
5805 mono_mb_emit_byte (mb, CEE_RET);
5808 csig = signature_dup (mono_defaults.corlib, sig);
5810 if (csig->call_convention == MONO_CALL_VARARG)
5811 csig->call_convention = 0;
5813 res = mono_mb_create_method (mb, csig, csig->param_count + 16);
5816 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_ICALL_WRAPPER);
5817 info->d.icall.func = (gpointer)func;
5818 mono_marshal_set_wrapper_info (res, info);
5824 emit_marshal_custom (EmitMarshalContext *m, int argnum, MonoType *t,
5825 MonoMarshalSpec *spec,
5826 int conv_arg, MonoType **conv_arg_type,
5827 MarshalAction action)
5830 if (action == MARSHAL_ACTION_CONV_IN && t->type == MONO_TYPE_VALUETYPE)
5831 *conv_arg_type = &mono_defaults.int_class->byval_arg;
5836 static MonoClass *ICustomMarshaler = NULL;
5837 static MonoMethod *cleanup_native, *cleanup_managed;
5838 static MonoMethod *marshal_managed_to_native, *marshal_native_to_managed;
5839 MonoMethod *get_instance = NULL;
5840 MonoMethodBuilder *mb = m->mb;
5841 char *exception_msg = NULL;
5845 if (!ICustomMarshaler) {
5846 ICustomMarshaler = mono_class_from_name (mono_defaults.corlib, "System.Runtime.InteropServices", "ICustomMarshaler");
5847 if (!ICustomMarshaler) {
5848 exception_msg = g_strdup ("Current profile doesn't support ICustomMarshaler");
5849 goto handle_exception;
5852 cleanup_native = mono_class_get_method_from_name (ICustomMarshaler, "CleanUpNativeData", 1);
5853 g_assert (cleanup_native);
5854 cleanup_managed = mono_class_get_method_from_name (ICustomMarshaler, "CleanUpManagedData", 1);
5855 g_assert (cleanup_managed);
5856 marshal_managed_to_native = mono_class_get_method_from_name (ICustomMarshaler, "MarshalManagedToNative", 1);
5857 g_assert (marshal_managed_to_native);
5858 marshal_native_to_managed = mono_class_get_method_from_name (ICustomMarshaler, "MarshalNativeToManaged", 1);
5859 g_assert (marshal_native_to_managed);
5862 mtype = mono_reflection_type_from_name (spec->data.custom_data.custom_name, m->image);
5863 g_assert (mtype != NULL);
5864 mklass = mono_class_from_mono_type (mtype);
5865 g_assert (mklass != NULL);
5867 if (!mono_class_is_assignable_from (ICustomMarshaler, mklass))
5868 exception_msg = g_strdup_printf ("Custom marshaler '%s' does not implement the ICustomMarshaler interface.", mklass->name);
5870 get_instance = mono_class_get_method_from_name_flags (mklass, "GetInstance", 1, METHOD_ATTRIBUTE_STATIC);
5872 MonoMethodSignature *get_sig = mono_method_signature (get_instance);
5873 if ((get_sig->ret->type != MONO_TYPE_CLASS) ||
5874 (mono_class_from_mono_type (get_sig->ret) != ICustomMarshaler) ||
5875 (get_sig->params [0]->type != MONO_TYPE_STRING))
5876 get_instance = NULL;
5880 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);
5883 /* Throw exception and emit compensation code if neccesary */
5884 if (exception_msg) {
5886 case MARSHAL_ACTION_CONV_IN:
5887 case MARSHAL_ACTION_CONV_RESULT:
5888 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
5889 if ((action == MARSHAL_ACTION_CONV_RESULT) || (action == MARSHAL_ACTION_MANAGED_CONV_RESULT))
5890 mono_mb_emit_byte (mb, CEE_POP);
5892 mono_mb_emit_exception_full (mb, "System", "ApplicationException", exception_msg);
5893 g_free (exception_msg);
5896 case MARSHAL_ACTION_PUSH:
5897 mono_mb_emit_byte (mb, CEE_LDNULL);
5905 /* FIXME: MS.NET seems to create one instance for each klass + cookie pair */
5906 /* FIXME: MS.NET throws an exception if GetInstance returns null */
5909 case MARSHAL_ACTION_CONV_IN:
5911 case MONO_TYPE_CLASS:
5912 case MONO_TYPE_OBJECT:
5913 case MONO_TYPE_STRING:
5914 case MONO_TYPE_ARRAY:
5915 case MONO_TYPE_SZARRAY:
5916 case MONO_TYPE_VALUETYPE:
5920 g_warning ("custom marshalling of type %x is currently not supported", t->type);
5921 g_assert_not_reached ();
5925 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5927 mono_mb_emit_byte (mb, CEE_LDNULL);
5928 mono_mb_emit_stloc (mb, conv_arg);
5930 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT))
5933 /* Minic MS.NET behavior */
5934 if (!t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT) && !(t->attrs & PARAM_ATTRIBUTE_IN))
5937 /* Check for null */
5938 mono_mb_emit_ldarg (mb, argnum);
5940 mono_mb_emit_byte (mb, CEE_LDIND_I);
5941 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5943 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5945 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5947 mono_mb_emit_ldarg (mb, argnum);
5949 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5951 if (t->type == MONO_TYPE_VALUETYPE) {
5953 * Since we can't determine the type of the argument, we
5954 * will assume the unmanaged function takes a pointer.
5956 *conv_arg_type = &mono_defaults.int_class->byval_arg;
5958 mono_mb_emit_op (mb, CEE_BOX, mono_class_from_mono_type (t));
5961 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_managed_to_native);
5962 mono_mb_emit_stloc (mb, conv_arg);
5964 mono_mb_patch_branch (mb, pos2);
5967 case MARSHAL_ACTION_CONV_OUT:
5968 /* Check for null */
5969 mono_mb_emit_ldloc (mb, conv_arg);
5970 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5973 mono_mb_emit_ldarg (mb, argnum);
5975 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5977 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5979 mono_mb_emit_ldloc (mb, conv_arg);
5980 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
5981 mono_mb_emit_byte (mb, CEE_STIND_REF);
5982 } else if (t->attrs & PARAM_ATTRIBUTE_OUT) {
5983 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5985 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5987 mono_mb_emit_ldloc (mb, conv_arg);
5988 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
5990 /* We have nowhere to store the result */
5991 mono_mb_emit_byte (mb, CEE_POP);
5994 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5996 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5998 mono_mb_emit_ldloc (mb, conv_arg);
6000 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_native);
6002 mono_mb_patch_branch (mb, pos2);
6005 case MARSHAL_ACTION_PUSH:
6007 mono_mb_emit_ldloc_addr (mb, conv_arg);
6009 mono_mb_emit_ldloc (mb, conv_arg);
6012 case MARSHAL_ACTION_CONV_RESULT:
6013 loc1 = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6015 mono_mb_emit_stloc (mb, 3);
6017 mono_mb_emit_ldloc (mb, 3);
6018 mono_mb_emit_stloc (mb, loc1);
6020 /* Check for null */
6021 mono_mb_emit_ldloc (mb, 3);
6022 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6024 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
6026 mono_mb_emit_op (mb, CEE_CALL, get_instance);
6027 mono_mb_emit_byte (mb, CEE_DUP);
6029 mono_mb_emit_ldloc (mb, 3);
6030 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
6031 mono_mb_emit_stloc (mb, 3);
6033 mono_mb_emit_ldloc (mb, loc1);
6034 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_native);
6036 mono_mb_patch_branch (mb, pos2);
6039 case MARSHAL_ACTION_MANAGED_CONV_IN:
6040 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
6042 mono_mb_emit_byte (mb, CEE_LDNULL);
6043 mono_mb_emit_stloc (mb, conv_arg);
6045 if (t->byref && t->attrs & PARAM_ATTRIBUTE_OUT)
6048 /* Check for null */
6049 mono_mb_emit_ldarg (mb, argnum);
6051 mono_mb_emit_byte (mb, CEE_LDIND_I);
6052 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6054 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
6055 mono_mb_emit_op (mb, CEE_CALL, get_instance);
6057 mono_mb_emit_ldarg (mb, argnum);
6059 mono_mb_emit_byte (mb, CEE_LDIND_I);
6061 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
6062 mono_mb_emit_stloc (mb, conv_arg);
6064 mono_mb_patch_branch (mb, pos2);
6067 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
6068 g_assert (!t->byref);
6070 loc1 = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
6072 mono_mb_emit_stloc (mb, 3);
6074 mono_mb_emit_ldloc (mb, 3);
6075 mono_mb_emit_stloc (mb, loc1);
6077 /* Check for null */
6078 mono_mb_emit_ldloc (mb, 3);
6079 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6081 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
6082 mono_mb_emit_op (mb, CEE_CALL, get_instance);
6083 mono_mb_emit_byte (mb, CEE_DUP);
6085 mono_mb_emit_ldloc (mb, 3);
6086 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_managed_to_native);
6087 mono_mb_emit_stloc (mb, 3);
6089 mono_mb_emit_ldloc (mb, loc1);
6090 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_managed);
6092 mono_mb_patch_branch (mb, pos2);
6095 case MARSHAL_ACTION_MANAGED_CONV_OUT:
6097 /* Check for null */
6098 mono_mb_emit_ldloc (mb, conv_arg);
6099 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6102 mono_mb_emit_ldarg (mb, argnum);
6104 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
6106 mono_mb_emit_op (mb, CEE_CALL, get_instance);
6108 mono_mb_emit_ldloc (mb, conv_arg);
6109 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_managed_to_native);
6110 mono_mb_emit_byte (mb, CEE_STIND_I);
6113 /* Call CleanUpManagedData */
6114 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
6116 mono_mb_emit_op (mb, CEE_CALL, get_instance);
6118 mono_mb_emit_ldloc (mb, conv_arg);
6119 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_managed);
6121 mono_mb_patch_branch (mb, pos2);
6125 g_assert_not_reached ();
6133 emit_marshal_asany (EmitMarshalContext *m, int argnum, MonoType *t,
6134 MonoMarshalSpec *spec,
6135 int conv_arg, MonoType **conv_arg_type,
6136 MarshalAction action)
6139 MonoMethodBuilder *mb = m->mb;
6142 case MARSHAL_ACTION_CONV_IN: {
6143 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, NULL);
6145 g_assert (t->type == MONO_TYPE_OBJECT);
6146 g_assert (!t->byref);
6148 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6149 mono_mb_emit_ldarg (mb, argnum);
6150 mono_mb_emit_icon (mb, encoding);
6151 mono_mb_emit_icon (mb, t->attrs);
6152 mono_mb_emit_icall (mb, mono_marshal_asany);
6153 mono_mb_emit_stloc (mb, conv_arg);
6157 case MARSHAL_ACTION_PUSH:
6158 mono_mb_emit_ldloc (mb, conv_arg);
6161 case MARSHAL_ACTION_CONV_OUT: {
6162 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, NULL);
6164 mono_mb_emit_ldarg (mb, argnum);
6165 mono_mb_emit_ldloc (mb, conv_arg);
6166 mono_mb_emit_icon (mb, encoding);
6167 mono_mb_emit_icon (mb, t->attrs);
6168 mono_mb_emit_icall (mb, mono_marshal_free_asany);
6173 g_assert_not_reached ();
6180 emit_marshal_vtype (EmitMarshalContext *m, int argnum, MonoType *t,
6181 MonoMarshalSpec *spec,
6182 int conv_arg, MonoType **conv_arg_type,
6183 MarshalAction action)
6186 MonoMethodBuilder *mb = m->mb;
6187 MonoClass *klass, *date_time_class;
6190 klass = mono_class_from_mono_type (t);
6192 date_time_class = mono_class_from_name_cached (mono_defaults.corlib, "System", "DateTime");
6195 case MARSHAL_ACTION_CONV_IN:
6196 if (klass == date_time_class) {
6197 /* Convert it to an OLE DATE type */
6198 static MonoMethod *to_oadate;
6201 to_oadate = mono_class_get_method_from_name (date_time_class, "ToOADate", 0);
6202 g_assert (to_oadate);
6204 conv_arg = mono_mb_add_local (mb, &mono_defaults.double_class->byval_arg);
6207 mono_mb_emit_ldarg (mb, argnum);
6208 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6211 if (!(t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && (t->attrs & PARAM_ATTRIBUTE_OUT))) {
6213 m->csig->params [argnum - m->csig->hasthis] = &mono_defaults.double_class->byval_arg;
6215 mono_mb_emit_ldarg_addr (mb, argnum);
6216 mono_mb_emit_managed_call (mb, to_oadate, NULL);
6217 mono_mb_emit_stloc (mb, conv_arg);
6221 mono_mb_patch_branch (mb, pos);
6225 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6226 klass->blittable || klass->enumtype)
6229 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6231 /* store the address of the source into local variable 0 */
6233 mono_mb_emit_ldarg (mb, argnum);
6235 mono_mb_emit_ldarg_addr (mb, argnum);
6237 mono_mb_emit_stloc (mb, 0);
6239 /* allocate space for the native struct and
6240 * store the address into local variable 1 (dest) */
6241 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
6242 mono_mb_emit_byte (mb, CEE_PREFIX1);
6243 mono_mb_emit_byte (mb, CEE_LOCALLOC);
6244 mono_mb_emit_stloc (mb, conv_arg);
6247 mono_mb_emit_ldloc (mb, 0);
6248 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6251 if (!(t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && (t->attrs & PARAM_ATTRIBUTE_OUT))) {
6253 mono_mb_emit_ldloc (mb, conv_arg);
6254 mono_mb_emit_stloc (mb, 1);
6256 /* emit valuetype conversion code */
6257 emit_struct_conv (mb, klass, FALSE);
6261 mono_mb_patch_branch (mb, pos);
6264 case MARSHAL_ACTION_PUSH:
6265 if (spec && spec->native == MONO_NATIVE_LPSTRUCT) {
6267 g_assert (!t->byref);
6269 /* Have to change the signature since the vtype is passed byref */
6270 m->csig->params [argnum - m->csig->hasthis] = &mono_defaults.int_class->byval_arg;
6272 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6273 klass->blittable || klass->enumtype)
6274 mono_mb_emit_ldarg_addr (mb, argnum);
6276 mono_mb_emit_ldloc (mb, conv_arg);
6280 if (klass == date_time_class) {
6282 mono_mb_emit_ldloc_addr (mb, conv_arg);
6284 mono_mb_emit_ldloc (mb, conv_arg);
6288 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6289 klass->blittable || klass->enumtype) {
6290 mono_mb_emit_ldarg (mb, argnum);
6293 mono_mb_emit_ldloc (mb, conv_arg);
6295 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6296 mono_mb_emit_op (mb, CEE_MONO_LDNATIVEOBJ, klass);
6300 case MARSHAL_ACTION_CONV_OUT:
6301 if (klass == date_time_class) {
6302 /* Convert from an OLE DATE type */
6303 static MonoMethod *from_oadate;
6308 if (!((t->attrs & PARAM_ATTRIBUTE_IN) && !(t->attrs & PARAM_ATTRIBUTE_OUT))) {
6310 from_oadate = mono_class_get_method_from_name (date_time_class, "FromOADate", 1);
6311 g_assert (from_oadate);
6313 mono_mb_emit_ldarg (mb, argnum);
6314 mono_mb_emit_ldloc (mb, conv_arg);
6315 mono_mb_emit_managed_call (mb, from_oadate, NULL);
6316 mono_mb_emit_op (mb, CEE_STOBJ, date_time_class);
6321 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6322 klass->blittable || klass->enumtype)
6326 /* dst = argument */
6327 mono_mb_emit_ldarg (mb, argnum);
6328 mono_mb_emit_stloc (mb, 1);
6330 mono_mb_emit_ldloc (mb, 1);
6331 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6333 if (!((t->attrs & PARAM_ATTRIBUTE_IN) && !(t->attrs & PARAM_ATTRIBUTE_OUT))) {
6334 /* src = tmp_locals [i] */
6335 mono_mb_emit_ldloc (mb, conv_arg);
6336 mono_mb_emit_stloc (mb, 0);
6338 /* emit valuetype conversion code */
6339 emit_struct_conv (mb, klass, TRUE);
6343 emit_struct_free (mb, klass, conv_arg);
6346 mono_mb_patch_branch (mb, pos);
6349 case MARSHAL_ACTION_CONV_RESULT:
6350 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6352 mono_mb_emit_stloc (mb, 3);
6356 /* load pointer to returned value type */
6357 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6358 mono_mb_emit_byte (mb, CEE_MONO_VTADDR);
6359 /* store the address of the source into local variable 0 */
6360 mono_mb_emit_stloc (mb, 0);
6362 mono_mb_emit_ldloc_addr (mb, 3);
6363 mono_mb_emit_stloc (mb, 1);
6365 /* emit valuetype conversion code */
6366 emit_struct_conv (mb, klass, TRUE);
6369 case MARSHAL_ACTION_MANAGED_CONV_IN:
6370 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6371 klass->blittable || klass->enumtype) {
6376 conv_arg = mono_mb_add_local (mb, &klass->byval_arg);
6378 if (t->attrs & PARAM_ATTRIBUTE_OUT)
6382 mono_mb_emit_ldarg (mb, argnum);
6384 mono_mb_emit_ldarg_addr (mb, argnum);
6385 mono_mb_emit_stloc (mb, 0);
6388 mono_mb_emit_ldloc (mb, 0);
6389 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6392 mono_mb_emit_ldloc_addr (mb, conv_arg);
6393 mono_mb_emit_stloc (mb, 1);
6395 /* emit valuetype conversion code */
6396 emit_struct_conv (mb, klass, TRUE);
6399 mono_mb_patch_branch (mb, pos);
6402 case MARSHAL_ACTION_MANAGED_CONV_OUT:
6403 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6404 klass->blittable || klass->enumtype) {
6408 /* Check for null */
6409 mono_mb_emit_ldarg (mb, argnum);
6410 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6413 mono_mb_emit_ldloc_addr (mb, conv_arg);
6414 mono_mb_emit_stloc (mb, 0);
6417 mono_mb_emit_ldarg (mb, argnum);
6418 mono_mb_emit_stloc (mb, 1);
6420 /* emit valuetype conversion code */
6421 emit_struct_conv (mb, klass, FALSE);
6423 mono_mb_patch_branch (mb, pos2);
6426 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
6427 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6428 klass->blittable || klass->enumtype) {
6429 mono_mb_emit_stloc (mb, 3);
6434 /* load pointer to returned value type */
6435 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6436 mono_mb_emit_byte (mb, CEE_MONO_VTADDR);
6438 /* store the address of the source into local variable 0 */
6439 mono_mb_emit_stloc (mb, 0);
6440 /* allocate space for the native struct and
6441 * store the address into dst_ptr */
6442 m->retobj_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6443 m->retobj_class = klass;
6444 g_assert (m->retobj_var);
6445 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
6446 mono_mb_emit_byte (mb, CEE_CONV_I);
6447 mono_mb_emit_icall (mb, mono_marshal_alloc);
6448 mono_mb_emit_stloc (mb, 1);
6449 mono_mb_emit_ldloc (mb, 1);
6450 mono_mb_emit_stloc (mb, m->retobj_var);
6452 /* emit valuetype conversion code */
6453 emit_struct_conv (mb, klass, FALSE);
6457 g_assert_not_reached ();
6464 emit_marshal_string (EmitMarshalContext *m, int argnum, MonoType *t,
6465 MonoMarshalSpec *spec,
6466 int conv_arg, MonoType **conv_arg_type,
6467 MarshalAction action)
6471 case MARSHAL_ACTION_CONV_IN:
6472 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6474 case MARSHAL_ACTION_MANAGED_CONV_IN:
6475 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6479 MonoMethodBuilder *mb = m->mb;
6480 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
6481 MonoMarshalConv conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
6485 case MARSHAL_ACTION_CONV_IN:
6486 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6487 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6490 if (t->attrs & PARAM_ATTRIBUTE_OUT)
6493 mono_mb_emit_ldarg (mb, argnum);
6494 mono_mb_emit_byte (mb, CEE_LDIND_I);
6496 mono_mb_emit_ldarg (mb, argnum);
6500 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
6501 mono_mb_emit_exception_marshal_directive (mb, msg);
6503 mono_mb_emit_icall (mb, conv_to_icall (conv));
6505 mono_mb_emit_stloc (mb, conv_arg);
6509 case MARSHAL_ACTION_CONV_OUT:
6510 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
6512 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
6513 mono_mb_emit_exception_marshal_directive (mb, msg);
6517 if (encoding == MONO_NATIVE_VBBYREFSTR) {
6518 static MonoMethod *m;
6521 m = mono_class_get_method_from_name_flags (mono_defaults.string_class, "get_Length", -1, 0);
6526 char *msg = g_strdup_printf ("VBByRefStr marshalling requires a ref parameter.", encoding);
6527 mono_mb_emit_exception_marshal_directive (mb, msg);
6532 * Have to allocate a new string with the same length as the original, and
6533 * copy the contents of the buffer pointed to by CONV_ARG into it.
6535 g_assert (t->byref);
6536 mono_mb_emit_ldarg (mb, argnum);
6537 mono_mb_emit_ldloc (mb, conv_arg);
6538 mono_mb_emit_ldarg (mb, argnum);
6539 mono_mb_emit_byte (mb, CEE_LDIND_I);
6540 mono_mb_emit_managed_call (mb, m, NULL);
6541 mono_mb_emit_icall (mb, mono_string_new_len_wrapper);
6542 mono_mb_emit_byte (mb, CEE_STIND_REF);
6543 } else if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT || !(t->attrs & PARAM_ATTRIBUTE_IN))) {
6544 mono_mb_emit_ldarg (mb, argnum);
6545 mono_mb_emit_ldloc (mb, conv_arg);
6546 mono_mb_emit_icall (mb, conv_to_icall (conv));
6547 mono_mb_emit_byte (mb, CEE_STIND_REF);
6552 mono_mb_emit_ldloc (mb, conv_arg);
6553 if (conv == MONO_MARSHAL_CONV_BSTR_STR)
6554 mono_mb_emit_icall (mb, mono_free_bstr);
6556 mono_mb_emit_icall (mb, mono_marshal_free);
6560 case MARSHAL_ACTION_PUSH:
6561 if (t->byref && encoding != MONO_NATIVE_VBBYREFSTR)
6562 mono_mb_emit_ldloc_addr (mb, conv_arg);
6564 mono_mb_emit_ldloc (mb, conv_arg);
6567 case MARSHAL_ACTION_CONV_RESULT:
6568 mono_mb_emit_stloc (mb, 0);
6570 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
6572 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
6573 mono_mb_emit_exception_marshal_directive (mb, msg);
6577 mono_mb_emit_ldloc (mb, 0);
6578 mono_mb_emit_icall (mb, conv_to_icall (conv));
6579 mono_mb_emit_stloc (mb, 3);
6581 /* free the string */
6582 mono_mb_emit_ldloc (mb, 0);
6583 if (conv == MONO_MARSHAL_CONV_BSTR_STR)
6584 mono_mb_emit_icall (mb, mono_free_bstr);
6586 mono_mb_emit_icall (mb, mono_marshal_free);
6589 case MARSHAL_ACTION_MANAGED_CONV_IN:
6590 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
6592 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6595 if (t->attrs & PARAM_ATTRIBUTE_OUT)
6599 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
6601 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
6602 mono_mb_emit_exception_marshal_directive (mb, msg);
6606 mono_mb_emit_ldarg (mb, argnum);
6608 mono_mb_emit_byte (mb, CEE_LDIND_I);
6609 mono_mb_emit_icall (mb, conv_to_icall (conv));
6610 mono_mb_emit_stloc (mb, conv_arg);
6613 case MARSHAL_ACTION_MANAGED_CONV_OUT:
6616 mono_mb_emit_ldarg (mb, argnum);
6617 mono_mb_emit_ldloc (mb, conv_arg);
6618 mono_mb_emit_icall (mb, conv_to_icall (conv));
6619 mono_mb_emit_byte (mb, CEE_STIND_I);
6624 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
6625 if (conv_to_icall (conv) == mono_marshal_string_to_utf16)
6626 /* We need to make a copy so the caller is able to free it */
6627 mono_mb_emit_icall (mb, mono_marshal_string_to_utf16_copy);
6629 mono_mb_emit_icall (mb, conv_to_icall (conv));
6630 mono_mb_emit_stloc (mb, 3);
6634 g_assert_not_reached ();
6642 emit_marshal_safehandle (EmitMarshalContext *m, int argnum, MonoType *t,
6643 MonoMarshalSpec *spec, int conv_arg,
6644 MonoType **conv_arg_type, MarshalAction action)
6647 if (action == MARSHAL_ACTION_CONV_IN)
6648 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6650 MonoMethodBuilder *mb = m->mb;
6653 case MARSHAL_ACTION_CONV_IN: {
6654 MonoType *intptr_type;
6655 int dar_release_slot, pos;
6657 intptr_type = &mono_defaults.int_class->byval_arg;
6658 conv_arg = mono_mb_add_local (mb, intptr_type);
6659 *conv_arg_type = intptr_type;
6661 if (!sh_dangerous_add_ref)
6662 init_safe_handle ();
6664 mono_mb_emit_ldarg (mb, argnum);
6665 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
6666 mono_mb_emit_exception (mb, "ArgumentNullException", NULL);
6668 mono_mb_patch_branch (mb, pos);
6671 * My tests in show that ref SafeHandles are not really
6672 * passed as ref objects. Instead a NULL is passed as the
6675 mono_mb_emit_icon (mb, 0);
6676 mono_mb_emit_stloc (mb, conv_arg);
6680 /* Create local to hold the ref parameter to DangerousAddRef */
6681 dar_release_slot = mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
6683 /* set release = false; */
6684 mono_mb_emit_icon (mb, 0);
6685 mono_mb_emit_stloc (mb, dar_release_slot);
6687 /* safehandle.DangerousAddRef (ref release) */
6688 mono_mb_emit_ldarg (mb, argnum);
6689 mono_mb_emit_ldloc_addr (mb, dar_release_slot);
6690 mono_mb_emit_managed_call (mb, sh_dangerous_add_ref, NULL);
6692 /* Pull the handle field from SafeHandle */
6693 mono_mb_emit_ldarg (mb, argnum);
6694 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoSafeHandle, handle));
6695 mono_mb_emit_byte (mb, CEE_LDIND_I);
6696 mono_mb_emit_stloc (mb, conv_arg);
6701 case MARSHAL_ACTION_PUSH:
6703 mono_mb_emit_ldloc_addr (mb, conv_arg);
6705 mono_mb_emit_ldloc (mb, conv_arg);
6708 case MARSHAL_ACTION_CONV_OUT: {
6709 /* The slot for the boolean is the next temporary created after conv_arg, see the CONV_IN code */
6710 int dar_release_slot = conv_arg + 1;
6713 if (!sh_dangerous_release)
6714 init_safe_handle ();
6720 * My tests indicate that ref SafeHandles parameters are not actually
6721 * passed by ref, but instead a new Handle is created regardless of
6722 * whether a change happens in the unmanaged side.
6724 * Also, the Handle is created before calling into unmanaged code,
6725 * but we do not support that mechanism (getting to the original
6726 * handle) and it makes no difference where we create this
6728 ctor = mono_class_get_method_from_name (t->data.klass, ".ctor", 0);
6730 mono_mb_emit_exception (mb, "MissingMethodException", "paramterless constructor required");
6733 /* refval = new SafeHandleDerived ()*/
6734 mono_mb_emit_ldarg (mb, argnum);
6735 mono_mb_emit_op (mb, CEE_NEWOBJ, ctor);
6736 mono_mb_emit_byte (mb, CEE_STIND_REF);
6738 /* refval.handle = returned_handle */
6739 mono_mb_emit_ldarg (mb, argnum);
6740 mono_mb_emit_byte (mb, CEE_LDIND_REF);
6741 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoSafeHandle, handle));
6742 mono_mb_emit_ldloc (mb, conv_arg);
6743 mono_mb_emit_byte (mb, CEE_STIND_I);
6745 mono_mb_emit_ldloc (mb, dar_release_slot);
6746 label_next = mono_mb_emit_branch (mb, CEE_BRFALSE);
6747 mono_mb_emit_ldarg (mb, argnum);
6748 mono_mb_emit_managed_call (mb, sh_dangerous_release, NULL);
6749 mono_mb_patch_branch (mb, label_next);
6754 case MARSHAL_ACTION_CONV_RESULT: {
6755 MonoMethod *ctor = NULL;
6756 int intptr_handle_slot;
6758 if (t->data.klass->flags & TYPE_ATTRIBUTE_ABSTRACT){
6759 mono_mb_emit_byte (mb, CEE_POP);
6760 mono_mb_emit_exception_marshal_directive (mb, g_strdup ("Returned SafeHandles should not be abstract"));
6764 ctor = mono_class_get_method_from_name (t->data.klass, ".ctor", 0);
6766 mono_mb_emit_byte (mb, CEE_POP);
6767 mono_mb_emit_exception (mb, "MissingMethodException", "paramterless constructor required");
6770 /* Store the IntPtr results into a local */
6771 intptr_handle_slot = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6772 mono_mb_emit_stloc (mb, intptr_handle_slot);
6774 /* Create return value */
6775 mono_mb_emit_op (mb, CEE_NEWOBJ, ctor);
6776 mono_mb_emit_stloc (mb, 3);
6778 /* Set the return.handle to the value, am using ldflda, not sure if thats a good idea */
6779 mono_mb_emit_ldloc (mb, 3);
6780 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoSafeHandle, handle));
6781 mono_mb_emit_ldloc (mb, intptr_handle_slot);
6782 mono_mb_emit_byte (mb, CEE_STIND_I);
6786 case MARSHAL_ACTION_MANAGED_CONV_IN:
6787 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_IN\n");
6790 case MARSHAL_ACTION_MANAGED_CONV_OUT:
6791 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_OUT\n");
6794 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
6795 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_RESULT\n");
6798 printf ("Unhandled case for MarshalAction: %d\n", action);
6806 emit_marshal_handleref (EmitMarshalContext *m, int argnum, MonoType *t,
6807 MonoMarshalSpec *spec, int conv_arg,
6808 MonoType **conv_arg_type, MarshalAction action)
6811 if (action == MARSHAL_ACTION_CONV_IN)
6812 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6814 MonoMethodBuilder *mb = m->mb;
6817 case MARSHAL_ACTION_CONV_IN: {
6818 MonoType *intptr_type;
6820 intptr_type = &mono_defaults.int_class->byval_arg;
6821 conv_arg = mono_mb_add_local (mb, intptr_type);
6822 *conv_arg_type = intptr_type;
6825 char *msg = g_strdup ("HandleRefs can not be returned from unmanaged code (or passed by ref)");
6826 mono_mb_emit_exception_marshal_directive (mb, msg);
6829 mono_mb_emit_ldarg_addr (mb, argnum);
6830 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoHandleRef, handle));
6831 mono_mb_emit_byte (mb, CEE_ADD);
6832 mono_mb_emit_byte (mb, CEE_LDIND_I);
6833 mono_mb_emit_stloc (mb, conv_arg);
6837 case MARSHAL_ACTION_PUSH:
6838 mono_mb_emit_ldloc (mb, conv_arg);
6841 case MARSHAL_ACTION_CONV_OUT: {
6842 /* no resource release required */
6846 case MARSHAL_ACTION_CONV_RESULT: {
6847 char *msg = g_strdup ("HandleRefs can not be returned from unmanaged code (or passed by ref)");
6848 mono_mb_emit_exception_marshal_directive (mb, msg);
6852 case MARSHAL_ACTION_MANAGED_CONV_IN:
6853 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_IN\n");
6856 case MARSHAL_ACTION_MANAGED_CONV_OUT:
6857 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_OUT\n");
6860 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
6861 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_RESULT\n");
6864 fprintf (stderr, "Unhandled case for MarshalAction: %d\n", action);
6872 emit_marshal_object (EmitMarshalContext *m, int argnum, MonoType *t,
6873 MonoMarshalSpec *spec,
6874 int conv_arg, MonoType **conv_arg_type,
6875 MarshalAction action)
6878 if (action == MARSHAL_ACTION_CONV_IN)
6879 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6881 MonoMethodBuilder *mb = m->mb;
6882 MonoClass *klass = mono_class_from_mono_type (t);
6886 case MARSHAL_ACTION_CONV_IN:
6887 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6888 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6890 m->orig_conv_args [argnum] = 0;
6892 if (mono_class_from_mono_type (t) == mono_defaults.object_class) {
6893 char *msg = g_strdup_printf ("Marshalling of type object is not implemented");
6894 mono_mb_emit_exception_marshal_directive (mb, msg);
6898 if (klass->delegate) {
6900 if (!(t->attrs & PARAM_ATTRIBUTE_OUT)) {
6901 char *msg = g_strdup_printf ("Byref marshalling of delegates is not implemented.");
6902 mono_mb_emit_exception_marshal_directive (mb, msg);
6904 mono_mb_emit_byte (mb, CEE_LDNULL);
6905 mono_mb_emit_stloc (mb, conv_arg);
6907 mono_mb_emit_ldarg (mb, argnum);
6908 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_DEL_FTN));
6909 mono_mb_emit_stloc (mb, conv_arg);
6911 } else if (klass == mono_defaults.stringbuilder_class) {
6912 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
6913 MonoMarshalConv conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
6917 if (!(t->attrs & PARAM_ATTRIBUTE_OUT)) {
6918 char *msg = g_strdup_printf ("Byref marshalling of stringbuilders is not implemented.");
6919 mono_mb_emit_exception_marshal_directive (mb, msg);
6925 if (t->byref && !t->attrs & PARAM_ATTRIBUTE_IN && t->attrs & PARAM_ATTRIBUTE_OUT)
6929 char *msg = g_strdup_printf ("stringbuilder marshalling conversion %d not implemented", encoding);
6930 mono_mb_emit_exception_marshal_directive (mb, msg);
6934 mono_mb_emit_ldarg (mb, argnum);
6936 mono_mb_emit_byte (mb, CEE_LDIND_I);
6938 mono_mb_emit_icall (mb, conv_to_icall (conv));
6939 mono_mb_emit_stloc (mb, conv_arg);
6940 } else if (klass->blittable) {
6941 mono_mb_emit_byte (mb, CEE_LDNULL);
6942 mono_mb_emit_stloc (mb, conv_arg);
6944 mono_mb_emit_ldarg (mb, argnum);
6945 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6947 mono_mb_emit_ldarg (mb, argnum);
6948 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6949 mono_mb_emit_stloc (mb, conv_arg);
6951 mono_mb_patch_branch (mb, pos);
6954 mono_mb_emit_byte (mb, CEE_LDNULL);
6955 mono_mb_emit_stloc (mb, conv_arg);
6958 /* we dont need any conversions for out parameters */
6959 if (t->attrs & PARAM_ATTRIBUTE_OUT)
6962 mono_mb_emit_ldarg (mb, argnum);
6963 mono_mb_emit_byte (mb, CEE_LDIND_I);
6966 mono_mb_emit_ldarg (mb, argnum);
6967 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6968 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
6971 /* store the address of the source into local variable 0 */
6972 mono_mb_emit_stloc (mb, 0);
6973 mono_mb_emit_ldloc (mb, 0);
6974 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6976 /* allocate space for the native struct and store the address */
6977 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
6978 mono_mb_emit_byte (mb, CEE_PREFIX1);
6979 mono_mb_emit_byte (mb, CEE_LOCALLOC);
6980 mono_mb_emit_stloc (mb, conv_arg);
6983 /* Need to store the original buffer so we can free it later */
6984 m->orig_conv_args [argnum] = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6985 mono_mb_emit_ldloc (mb, conv_arg);
6986 mono_mb_emit_stloc (mb, m->orig_conv_args [argnum]);
6989 /* set the src_ptr */
6990 mono_mb_emit_ldloc (mb, 0);
6991 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6992 mono_mb_emit_stloc (mb, 0);
6995 mono_mb_emit_ldloc (mb, conv_arg);
6996 mono_mb_emit_stloc (mb, 1);
6998 /* emit valuetype conversion code */
6999 emit_struct_conv (mb, klass, FALSE);
7001 mono_mb_patch_branch (mb, pos);
7005 case MARSHAL_ACTION_CONV_OUT:
7006 if (klass == mono_defaults.stringbuilder_class) {
7008 MonoMarshalNative encoding;
7009 MonoMarshalConv conv;
7011 encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
7012 conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free);
7014 g_assert (encoding != -1);
7017 //g_assert (!(t->attrs & PARAM_ATTRIBUTE_OUT));
7021 mono_mb_emit_ldarg (mb, argnum);
7022 mono_mb_emit_ldloc (mb, conv_arg);
7025 case MONO_NATIVE_LPWSTR:
7026 mono_mb_emit_icall (mb, mono_string_utf16_to_builder2);
7028 case MONO_NATIVE_LPSTR:
7029 mono_mb_emit_icall (mb, mono_string_utf8_to_builder2);
7032 g_assert_not_reached ();
7035 mono_mb_emit_byte (mb, CEE_STIND_REF);
7037 mono_mb_emit_ldarg (mb, argnum);
7038 mono_mb_emit_ldloc (mb, conv_arg);
7040 mono_mb_emit_icall (mb, conv_to_icall (conv));
7044 mono_mb_emit_ldloc (mb, conv_arg);
7045 mono_mb_emit_icall (mb, mono_marshal_free);
7050 if (klass->delegate) {
7052 mono_mb_emit_ldarg (mb, argnum);
7053 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
7054 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
7055 mono_mb_emit_ldloc (mb, conv_arg);
7056 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_FTN_DEL));
7057 mono_mb_emit_byte (mb, CEE_STIND_REF);
7062 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT)) {
7063 /* allocate a new object */
7064 mono_mb_emit_ldarg (mb, argnum);
7065 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
7066 mono_mb_emit_op (mb, CEE_MONO_NEWOBJ, klass);
7067 mono_mb_emit_byte (mb, CEE_STIND_REF);
7070 /* dst = *argument */
7071 mono_mb_emit_ldarg (mb, argnum);
7074 mono_mb_emit_byte (mb, CEE_LDIND_I);
7076 mono_mb_emit_stloc (mb, 1);
7078 mono_mb_emit_ldloc (mb, 1);
7079 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
7081 if (t->byref || (t->attrs & PARAM_ATTRIBUTE_OUT)) {
7082 mono_mb_emit_ldloc (mb, 1);
7083 mono_mb_emit_icon (mb, sizeof (MonoObject));
7084 mono_mb_emit_byte (mb, CEE_ADD);
7085 mono_mb_emit_stloc (mb, 1);
7087 /* src = tmp_locals [i] */
7088 mono_mb_emit_ldloc (mb, conv_arg);
7089 mono_mb_emit_stloc (mb, 0);
7091 /* emit valuetype conversion code */
7092 emit_struct_conv (mb, klass, TRUE);
7094 /* Free the structure returned by the native code */
7095 emit_struct_free (mb, klass, conv_arg);
7097 if (m->orig_conv_args [argnum]) {
7099 * If the native function changed the pointer, then free
7100 * the original structure plus the new pointer.
7102 mono_mb_emit_ldloc (mb, m->orig_conv_args [argnum]);
7103 mono_mb_emit_ldloc (mb, conv_arg);
7104 pos2 = mono_mb_emit_branch (mb, CEE_BEQ);
7106 if (!(t->attrs & PARAM_ATTRIBUTE_OUT)) {
7107 g_assert (m->orig_conv_args [argnum]);
7109 emit_struct_free (mb, klass, m->orig_conv_args [argnum]);
7112 mono_mb_emit_ldloc (mb, conv_arg);
7113 mono_mb_emit_icall (mb, mono_marshal_free);
7115 mono_mb_patch_branch (mb, pos2);
7119 /* Free the original structure passed to native code */
7120 emit_struct_free (mb, klass, conv_arg);
7122 mono_mb_patch_branch (mb, pos);
7125 case MARSHAL_ACTION_PUSH:
7127 mono_mb_emit_ldloc_addr (mb, conv_arg);
7129 mono_mb_emit_ldloc (mb, conv_arg);
7132 case MARSHAL_ACTION_CONV_RESULT:
7133 if (klass->delegate) {
7134 g_assert (!t->byref);
7135 mono_mb_emit_stloc (mb, 0);
7136 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
7137 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
7138 mono_mb_emit_ldloc (mb, 0);
7139 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_FTN_DEL));
7140 mono_mb_emit_stloc (mb, 3);
7143 mono_mb_emit_stloc (mb, 0);
7145 /* Make a copy since emit_conv modifies local 0 */
7146 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7147 mono_mb_emit_ldloc (mb, 0);
7148 mono_mb_emit_stloc (mb, loc);
7150 mono_mb_emit_byte (mb, CEE_LDNULL);
7151 mono_mb_emit_stloc (mb, 3);
7153 mono_mb_emit_ldloc (mb, 0);
7154 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
7156 /* allocate result object */
7158 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
7159 mono_mb_emit_op (mb, CEE_MONO_NEWOBJ, klass);
7160 mono_mb_emit_stloc (mb, 3);
7164 mono_mb_emit_ldloc (mb, 3);
7165 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
7166 mono_mb_emit_stloc (mb, 1);
7168 /* emit conversion code */
7169 emit_struct_conv (mb, klass, TRUE);
7171 emit_struct_free (mb, klass, loc);
7173 /* Free the pointer allocated by unmanaged code */
7174 mono_mb_emit_ldloc (mb, loc);
7175 mono_mb_emit_icall (mb, mono_marshal_free);
7176 mono_mb_patch_branch (mb, pos);
7180 case MARSHAL_ACTION_MANAGED_CONV_IN:
7181 conv_arg = mono_mb_add_local (mb, &klass->byval_arg);
7183 if (klass->delegate) {
7184 g_assert (!t->byref);
7185 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
7186 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
7187 mono_mb_emit_ldarg (mb, argnum);
7188 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_FTN_DEL));
7189 mono_mb_emit_stloc (mb, conv_arg);
7193 if (klass == mono_defaults.stringbuilder_class) {
7194 MonoMarshalNative encoding;
7196 encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
7199 g_assert (encoding == MONO_NATIVE_LPSTR);
7201 g_assert (!t->byref);
7202 g_assert (encoding != -1);
7204 mono_mb_emit_ldarg (mb, argnum);
7205 mono_mb_emit_icall (mb, mono_string_utf8_to_builder2);
7206 mono_mb_emit_stloc (mb, conv_arg);
7210 /* The class can not have an automatic layout */
7211 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
7212 mono_mb_emit_auto_layout_exception (mb, klass);
7216 if (t->attrs & PARAM_ATTRIBUTE_OUT) {
7217 mono_mb_emit_byte (mb, CEE_LDNULL);
7218 mono_mb_emit_stloc (mb, conv_arg);
7223 mono_mb_emit_ldarg (mb, argnum);
7227 /* Check for NULL and raise an exception */
7228 pos2 = mono_mb_emit_branch (mb, CEE_BRTRUE);
7230 mono_mb_emit_exception (mb, "ArgumentNullException", NULL);
7232 mono_mb_patch_branch (mb, pos2);
7233 mono_mb_emit_ldarg (mb, argnum);
7234 mono_mb_emit_byte (mb, CEE_LDIND_I);
7237 mono_mb_emit_stloc (mb, 0);
7239 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7240 mono_mb_emit_stloc (mb, conv_arg);
7242 mono_mb_emit_ldloc (mb, 0);
7243 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
7245 /* Create and set dst */
7246 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
7247 mono_mb_emit_op (mb, CEE_MONO_NEWOBJ, klass);
7248 mono_mb_emit_stloc (mb, conv_arg);
7249 mono_mb_emit_ldloc (mb, conv_arg);
7250 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
7251 mono_mb_emit_stloc (mb, 1);
7253 /* emit valuetype conversion code */
7254 emit_struct_conv (mb, klass, TRUE);
7256 mono_mb_patch_branch (mb, pos);
7259 case MARSHAL_ACTION_MANAGED_CONV_OUT:
7261 /* Check for null */
7262 mono_mb_emit_ldloc (mb, conv_arg);
7263 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
7264 mono_mb_emit_ldarg (mb, argnum);
7265 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7266 mono_mb_emit_byte (mb, CEE_STIND_REF);
7267 pos2 = mono_mb_emit_branch (mb, CEE_BR);
7269 mono_mb_patch_branch (mb, pos);
7272 mono_mb_emit_ldloc (mb, conv_arg);
7273 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
7274 mono_mb_emit_stloc (mb, 0);
7276 /* Allocate and set dest */
7277 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
7278 mono_mb_emit_byte (mb, CEE_CONV_I);
7279 mono_mb_emit_icall (mb, mono_marshal_alloc);
7280 mono_mb_emit_stloc (mb, 1);
7282 /* Update argument pointer */
7283 mono_mb_emit_ldarg (mb, argnum);
7284 mono_mb_emit_ldloc (mb, 1);
7285 mono_mb_emit_byte (mb, CEE_STIND_I);
7287 /* emit valuetype conversion code */
7288 emit_struct_conv (mb, klass, FALSE);
7290 mono_mb_patch_branch (mb, pos2);
7292 /* byval [Out] marshalling */
7294 /* FIXME: Handle null */
7297 mono_mb_emit_ldloc (mb, conv_arg);
7298 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
7299 mono_mb_emit_stloc (mb, 0);
7302 mono_mb_emit_ldarg (mb, argnum);
7303 mono_mb_emit_stloc (mb, 1);
7305 /* emit valuetype conversion code */
7306 emit_struct_conv (mb, klass, FALSE);
7310 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
7311 if (klass->delegate) {
7312 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_DEL_FTN));
7313 mono_mb_emit_stloc (mb, 3);
7317 /* The class can not have an automatic layout */
7318 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
7319 mono_mb_emit_auto_layout_exception (mb, klass);
7323 mono_mb_emit_stloc (mb, 0);
7324 /* Check for null */
7325 mono_mb_emit_ldloc (mb, 0);
7326 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
7327 mono_mb_emit_byte (mb, CEE_LDNULL);
7328 mono_mb_emit_stloc (mb, 3);
7329 pos2 = mono_mb_emit_branch (mb, CEE_BR);
7331 mono_mb_patch_branch (mb, pos);
7334 mono_mb_emit_ldloc (mb, 0);
7335 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
7336 mono_mb_emit_stloc (mb, 0);
7338 /* Allocate and set dest */
7339 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
7340 mono_mb_emit_byte (mb, CEE_CONV_I);
7341 mono_mb_emit_icall (mb, mono_marshal_alloc);
7342 mono_mb_emit_byte (mb, CEE_DUP);
7343 mono_mb_emit_stloc (mb, 1);
7344 mono_mb_emit_stloc (mb, 3);
7346 emit_struct_conv (mb, klass, FALSE);
7348 mono_mb_patch_branch (mb, pos2);
7352 g_assert_not_reached ();
7363 emit_marshal_variant (EmitMarshalContext *m, int argnum, MonoType *t,
7364 MonoMarshalSpec *spec,
7365 int conv_arg, MonoType **conv_arg_type,
7366 MarshalAction action)
7368 MonoMethodBuilder *mb = m->mb;
7369 static MonoMethod *get_object_for_native_variant = NULL;
7370 static MonoMethod *get_native_variant_for_object = NULL;
7372 if (!get_object_for_native_variant)
7373 get_object_for_native_variant = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetObjectForNativeVariant", 1);
7374 g_assert (get_object_for_native_variant);
7376 if (!get_native_variant_for_object)
7377 get_native_variant_for_object = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetNativeVariantForObject", 2);
7378 g_assert (get_native_variant_for_object);
7381 case MARSHAL_ACTION_CONV_IN: {
7382 conv_arg = mono_mb_add_local (mb, &mono_class_get_variant_class ()->byval_arg);
7385 *conv_arg_type = &mono_class_get_variant_class ()->this_arg;
7387 *conv_arg_type = &mono_class_get_variant_class ()->byval_arg;
7389 if (t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && t->attrs & PARAM_ATTRIBUTE_OUT)
7392 mono_mb_emit_ldarg (mb, argnum);
7394 mono_mb_emit_byte(mb, CEE_LDIND_REF);
7395 mono_mb_emit_ldloc_addr (mb, conv_arg);
7396 mono_mb_emit_managed_call (mb, get_native_variant_for_object, NULL);
7400 case MARSHAL_ACTION_CONV_OUT: {
7401 static MonoMethod *variant_clear = NULL;
7404 variant_clear = mono_class_get_method_from_name (mono_class_get_variant_class (), "Clear", 0);
7405 g_assert (variant_clear);
7408 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT || !(t->attrs & PARAM_ATTRIBUTE_IN))) {
7409 mono_mb_emit_ldarg (mb, argnum);
7410 mono_mb_emit_ldloc_addr (mb, conv_arg);
7411 mono_mb_emit_managed_call (mb, get_object_for_native_variant, NULL);
7412 mono_mb_emit_byte (mb, CEE_STIND_REF);
7415 mono_mb_emit_ldloc_addr (mb, conv_arg);
7416 mono_mb_emit_managed_call (mb, variant_clear, NULL);
7420 case MARSHAL_ACTION_PUSH:
7422 mono_mb_emit_ldloc_addr (mb, conv_arg);
7424 mono_mb_emit_ldloc (mb, conv_arg);
7427 case MARSHAL_ACTION_CONV_RESULT: {
7428 char *msg = g_strdup ("Marshalling of VARIANT not supported as a return type.");
7429 mono_mb_emit_exception_marshal_directive (mb, msg);
7433 case MARSHAL_ACTION_MANAGED_CONV_IN: {
7434 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
7437 *conv_arg_type = &mono_class_get_variant_class ()->this_arg;
7439 *conv_arg_type = &mono_class_get_variant_class ()->byval_arg;
7441 if (t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && t->attrs & PARAM_ATTRIBUTE_OUT)
7445 mono_mb_emit_ldarg (mb, argnum);
7447 mono_mb_emit_ldarg_addr (mb, argnum);
7448 mono_mb_emit_managed_call (mb, get_object_for_native_variant, NULL);
7449 mono_mb_emit_stloc (mb, conv_arg);
7453 case MARSHAL_ACTION_MANAGED_CONV_OUT: {
7454 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT || !(t->attrs & PARAM_ATTRIBUTE_IN))) {
7455 mono_mb_emit_ldloc (mb, conv_arg);
7456 mono_mb_emit_ldarg (mb, argnum);
7457 mono_mb_emit_managed_call (mb, get_native_variant_for_object, NULL);
7462 case MARSHAL_ACTION_MANAGED_CONV_RESULT: {
7463 char *msg = g_strdup ("Marshalling of VARIANT not supported as a return type.");
7464 mono_mb_emit_exception_marshal_directive (mb, msg);
7469 g_assert_not_reached ();
7475 #endif /* DISABLE_COM */
7476 #endif /* DISABLE_JIT */
7479 mono_pinvoke_is_unicode (MonoMethodPInvoke *piinfo)
7481 switch (piinfo->piflags & PINVOKE_ATTRIBUTE_CHAR_SET_MASK) {
7482 case PINVOKE_ATTRIBUTE_CHAR_SET_ANSI:
7484 case PINVOKE_ATTRIBUTE_CHAR_SET_UNICODE:
7486 case PINVOKE_ATTRIBUTE_CHAR_SET_AUTO:
7498 emit_marshal_array (EmitMarshalContext *m, int argnum, MonoType *t,
7499 MonoMarshalSpec *spec,
7500 int conv_arg, MonoType **conv_arg_type,
7501 MarshalAction action)
7505 case MARSHAL_ACTION_CONV_IN:
7506 *conv_arg_type = &mono_defaults.object_class->byval_arg;
7508 case MARSHAL_ACTION_MANAGED_CONV_IN:
7509 *conv_arg_type = &mono_defaults.int_class->byval_arg;
7513 MonoMethodBuilder *mb = m->mb;
7514 MonoClass *klass = mono_class_from_mono_type (t);
7515 gboolean need_convert, need_free;
7516 MonoMarshalNative encoding;
7518 encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
7521 case MARSHAL_ACTION_CONV_IN:
7522 *conv_arg_type = &mono_defaults.object_class->byval_arg;
7523 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
7525 if (klass->element_class->blittable) {
7526 mono_mb_emit_ldarg (mb, argnum);
7528 mono_mb_emit_byte (mb, CEE_LDIND_I);
7529 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_ARRAY_LPARRAY));
7530 mono_mb_emit_stloc (mb, conv_arg);
7533 guint32 label1, label2, label3;
7534 int index_var, src_var, dest_ptr, esize;
7535 MonoMarshalConv conv;
7536 gboolean is_string = FALSE;
7538 dest_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7540 eklass = klass->element_class;
7542 if (eklass == mono_defaults.string_class) {
7544 conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
7546 else if (eklass == mono_defaults.stringbuilder_class) {
7548 conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
7553 if (is_string && conv == -1) {
7554 char *msg = g_strdup_printf ("string/stringbuilder marshalling conversion %d not implemented", encoding);
7555 mono_mb_emit_exception_marshal_directive (mb, msg);
7559 src_var = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
7560 mono_mb_emit_ldarg (mb, argnum);
7562 mono_mb_emit_byte (mb, CEE_LDIND_I);
7563 mono_mb_emit_stloc (mb, src_var);
7566 mono_mb_emit_ldloc (mb, src_var);
7567 mono_mb_emit_stloc (mb, conv_arg);
7568 mono_mb_emit_ldloc (mb, src_var);
7569 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
7572 esize = sizeof (gpointer);
7573 else if (eklass == mono_defaults.char_class) /*can't call mono_marshal_type_size since it causes all sorts of asserts*/
7574 esize = mono_pinvoke_is_unicode (m->piinfo) ? 2 : 1;
7576 esize = mono_class_native_size (eklass, NULL);
7578 /* allocate space for the native struct and store the address */
7579 mono_mb_emit_icon (mb, esize);
7580 mono_mb_emit_ldloc (mb, src_var);
7581 mono_mb_emit_byte (mb, CEE_LDLEN);
7583 if (eklass == mono_defaults.string_class) {
7584 /* Make the array bigger for the terminating null */
7585 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
7586 mono_mb_emit_byte (mb, CEE_ADD);
7588 mono_mb_emit_byte (mb, CEE_MUL);
7589 mono_mb_emit_byte (mb, CEE_PREFIX1);
7590 mono_mb_emit_byte (mb, CEE_LOCALLOC);
7591 mono_mb_emit_stloc (mb, conv_arg);
7593 mono_mb_emit_ldloc (mb, conv_arg);
7594 mono_mb_emit_stloc (mb, dest_ptr);
7596 /* Emit marshalling loop */
7597 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7598 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7599 mono_mb_emit_stloc (mb, index_var);
7600 label2 = mono_mb_get_label (mb);
7601 mono_mb_emit_ldloc (mb, index_var);
7602 mono_mb_emit_ldloc (mb, src_var);
7603 mono_mb_emit_byte (mb, CEE_LDLEN);
7604 label3 = mono_mb_emit_branch (mb, CEE_BGE);
7606 /* Emit marshalling code */
7609 mono_mb_emit_ldloc (mb, dest_ptr);
7610 mono_mb_emit_ldloc (mb, src_var);
7611 mono_mb_emit_ldloc (mb, index_var);
7612 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
7613 mono_mb_emit_icall (mb, conv_to_icall (conv));
7614 mono_mb_emit_byte (mb, CEE_STIND_I);
7616 /* set the src_ptr */
7617 mono_mb_emit_ldloc (mb, src_var);
7618 mono_mb_emit_ldloc (mb, index_var);
7619 mono_mb_emit_op (mb, CEE_LDELEMA, eklass);
7620 mono_mb_emit_stloc (mb, 0);
7623 mono_mb_emit_ldloc (mb, dest_ptr);
7624 mono_mb_emit_stloc (mb, 1);
7626 /* emit valuetype conversion code */
7627 emit_struct_conv_full (mb, eklass, FALSE, eklass == mono_defaults.char_class ? encoding : -1);
7630 mono_mb_emit_add_to_local (mb, index_var, 1);
7631 mono_mb_emit_add_to_local (mb, dest_ptr, esize);
7633 mono_mb_emit_branch_label (mb, CEE_BR, label2);
7635 mono_mb_patch_branch (mb, label3);
7637 if (eklass == mono_defaults.string_class) {
7638 /* Null terminate */
7639 mono_mb_emit_ldloc (mb, dest_ptr);
7640 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7641 mono_mb_emit_byte (mb, CEE_STIND_REF);
7644 mono_mb_patch_branch (mb, label1);
7649 case MARSHAL_ACTION_CONV_OUT:
7650 /* Unicode character arrays are implicitly marshalled as [Out] under MS.NET */
7651 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);
7652 need_free = mono_marshal_need_free (&klass->element_class->byval_arg,
7655 if (need_convert || need_free) {
7656 /* FIXME: Optimize blittable case */
7658 guint32 label1, label2, label3;
7659 int index_var, src_ptr, loc, esize;
7661 eklass = klass->element_class;
7662 if ((eklass == mono_defaults.stringbuilder_class) || (eklass == mono_defaults.string_class))
7663 esize = sizeof (gpointer);
7664 else if (eklass == mono_defaults.char_class)
7665 esize = mono_pinvoke_is_unicode (m->piinfo) ? 2 : 1;
7667 esize = mono_class_native_size (eklass, NULL);
7668 src_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7669 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7672 mono_mb_emit_ldarg (mb, argnum);
7674 mono_mb_emit_byte (mb, CEE_LDIND_I);
7675 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
7677 mono_mb_emit_ldloc (mb, conv_arg);
7678 mono_mb_emit_stloc (mb, src_ptr);
7680 /* Emit marshalling loop */
7681 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7682 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7683 mono_mb_emit_stloc (mb, index_var);
7684 label2 = mono_mb_get_label (mb);
7685 mono_mb_emit_ldloc (mb, index_var);
7686 mono_mb_emit_ldarg (mb, argnum);
7688 mono_mb_emit_byte (mb, CEE_LDIND_REF);
7689 mono_mb_emit_byte (mb, CEE_LDLEN);
7690 label3 = mono_mb_emit_branch (mb, CEE_BGE);
7692 /* Emit marshalling code */
7694 if (eklass == mono_defaults.stringbuilder_class) {
7695 gboolean need_free2;
7696 MonoMarshalConv conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free2);
7698 g_assert (conv != -1);
7701 mono_mb_emit_ldarg (mb, argnum);
7703 mono_mb_emit_byte (mb, CEE_LDIND_I);
7704 mono_mb_emit_ldloc (mb, index_var);
7705 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
7708 mono_mb_emit_ldloc (mb, src_ptr);
7709 mono_mb_emit_byte (mb, CEE_LDIND_I);
7711 mono_mb_emit_icall (mb, conv_to_icall (conv));
7715 mono_mb_emit_ldloc (mb, src_ptr);
7716 mono_mb_emit_byte (mb, CEE_LDIND_I);
7718 mono_mb_emit_icall (mb, mono_marshal_free);
7721 else if (eklass == mono_defaults.string_class) {
7724 mono_mb_emit_ldloc (mb, src_ptr);
7725 mono_mb_emit_byte (mb, CEE_LDIND_I);
7727 mono_mb_emit_icall (mb, mono_marshal_free);
7732 /* set the src_ptr */
7733 mono_mb_emit_ldloc (mb, src_ptr);
7734 mono_mb_emit_stloc (mb, 0);
7737 mono_mb_emit_ldarg (mb, argnum);
7739 mono_mb_emit_byte (mb, CEE_LDIND_REF);
7740 mono_mb_emit_ldloc (mb, index_var);
7741 mono_mb_emit_op (mb, CEE_LDELEMA, eklass);
7742 mono_mb_emit_stloc (mb, 1);
7744 /* emit valuetype conversion code */
7745 emit_struct_conv_full (mb, eklass, TRUE, eklass == mono_defaults.char_class ? encoding : -1);
7749 mono_mb_emit_ldloc (mb, src_ptr);
7750 mono_mb_emit_stloc (mb, loc);
7751 mono_mb_emit_ldloc (mb, loc);
7753 emit_struct_free (mb, eklass, loc);
7757 mono_mb_emit_add_to_local (mb, index_var, 1);
7758 mono_mb_emit_add_to_local (mb, src_ptr, esize);
7760 mono_mb_emit_branch_label (mb, CEE_BR, label2);
7762 mono_mb_patch_branch (mb, label1);
7763 mono_mb_patch_branch (mb, label3);
7766 if (klass->element_class->blittable) {
7767 /* free memory allocated (if any) by MONO_MARSHAL_CONV_ARRAY_LPARRAY */
7769 mono_mb_emit_ldarg (mb, argnum);
7770 mono_mb_emit_ldloc (mb, conv_arg);
7771 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_FREE_LPARRAY));
7776 case MARSHAL_ACTION_PUSH:
7778 mono_mb_emit_ldloc_addr (mb, conv_arg);
7780 mono_mb_emit_ldloc (mb, conv_arg);
7783 case MARSHAL_ACTION_CONV_RESULT:
7784 /* fixme: we need conversions here */
7785 mono_mb_emit_stloc (mb, 3);
7788 case MARSHAL_ACTION_MANAGED_CONV_IN: {
7790 guint32 label1, label2, label3;
7791 int index_var, src_ptr, loc, esize, param_num, num_elem;
7792 MonoMarshalConv conv;
7793 gboolean is_string = FALSE;
7795 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
7796 *conv_arg_type = &mono_defaults.int_class->byval_arg;
7799 char *msg = g_strdup ("Byref array marshalling to managed code is not implemented.");
7800 mono_mb_emit_exception_marshal_directive (mb, msg);
7804 char *msg = g_strdup ("[MarshalAs] attribute required to marshal arrays to managed code.");
7805 mono_mb_emit_exception_marshal_directive (mb, msg);
7808 if (spec->native != MONO_NATIVE_LPARRAY) {
7809 char *msg = g_strdup ("Non LPArray marshalling of arrays to managed code is not implemented.");
7810 mono_mb_emit_exception_marshal_directive (mb, msg);
7814 /* FIXME: t is from the method which is wrapped, not the delegate type */
7815 /* g_assert (t->attrs & PARAM_ATTRIBUTE_IN); */
7817 param_num = spec->data.array_data.param_num;
7818 num_elem = spec->data.array_data.num_elem;
7819 if (spec->data.array_data.elem_mult == 0)
7820 /* param_num is not specified */
7823 if (param_num == -1) {
7824 if (num_elem <= 0) {
7825 char *msg = g_strdup ("Either SizeConst or SizeParamIndex should be specified when marshalling arrays to managed code.");
7826 mono_mb_emit_exception_marshal_directive (mb, msg);
7831 /* FIXME: Optimize blittable case */
7833 eklass = klass->element_class;
7834 if (eklass == mono_defaults.string_class) {
7836 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
7838 else if (eklass == mono_defaults.stringbuilder_class) {
7840 conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free);
7845 mono_marshal_load_type_info (eklass);
7848 esize = sizeof (gpointer);
7850 esize = mono_class_native_size (eklass, NULL);
7851 src_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7852 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7854 mono_mb_emit_byte (mb, CEE_LDNULL);
7855 mono_mb_emit_stloc (mb, conv_arg);
7857 /* Check param index */
7858 if (param_num != -1) {
7859 if (param_num >= m->sig->param_count) {
7860 char *msg = g_strdup ("Array size control parameter index is out of range.");
7861 mono_mb_emit_exception_marshal_directive (mb, msg);
7864 switch (m->sig->params [param_num]->type) {
7877 char *msg = g_strdup ("Array size control parameter must be an integral type.");
7878 mono_mb_emit_exception_marshal_directive (mb, msg);
7885 mono_mb_emit_ldarg (mb, argnum);
7886 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
7888 mono_mb_emit_ldarg (mb, argnum);
7889 mono_mb_emit_stloc (mb, src_ptr);
7891 /* Create managed array */
7893 * The LPArray marshalling spec says that sometimes param_num starts
7894 * from 1, sometimes it starts from 0. But MS seems to allways start
7898 if (param_num == -1) {
7899 mono_mb_emit_icon (mb, num_elem);
7901 mono_mb_emit_ldarg (mb, param_num);
7903 mono_mb_emit_icon (mb, num_elem);
7904 mono_mb_emit_byte (mb, CEE_ADD);
7906 mono_mb_emit_byte (mb, CEE_CONV_OVF_I);
7909 mono_mb_emit_op (mb, CEE_NEWARR, eklass);
7910 mono_mb_emit_stloc (mb, conv_arg);
7912 if (eklass->blittable) {
7913 mono_mb_emit_ldloc (mb, conv_arg);
7914 mono_mb_emit_byte (mb, CEE_CONV_I);
7915 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArray, vector));
7916 mono_mb_emit_byte (mb, CEE_ADD);
7917 mono_mb_emit_ldarg (mb, argnum);
7918 mono_mb_emit_ldloc (mb, conv_arg);
7919 mono_mb_emit_byte (mb, CEE_LDLEN);
7920 mono_mb_emit_icon (mb, esize);
7921 mono_mb_emit_byte (mb, CEE_MUL);
7922 mono_mb_emit_byte (mb, CEE_PREFIX1);
7923 mono_mb_emit_byte (mb, CEE_CPBLK);
7927 /* Emit marshalling loop */
7928 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7929 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7930 mono_mb_emit_stloc (mb, index_var);
7931 label2 = mono_mb_get_label (mb);
7932 mono_mb_emit_ldloc (mb, index_var);
7933 mono_mb_emit_ldloc (mb, conv_arg);
7934 mono_mb_emit_byte (mb, CEE_LDLEN);
7935 label3 = mono_mb_emit_branch (mb, CEE_BGE);
7937 /* Emit marshalling code */
7939 g_assert (conv != -1);
7941 mono_mb_emit_ldloc (mb, conv_arg);
7942 mono_mb_emit_ldloc (mb, index_var);
7944 mono_mb_emit_ldloc (mb, src_ptr);
7945 mono_mb_emit_byte (mb, CEE_LDIND_I);
7947 mono_mb_emit_icall (mb, conv_to_icall (conv));
7948 mono_mb_emit_byte (mb, CEE_STELEM_REF);
7951 char *msg = g_strdup ("Marshalling of non-string and non-blittable arrays to managed code is not implemented.");
7952 mono_mb_emit_exception_marshal_directive (mb, msg);
7956 mono_mb_emit_add_to_local (mb, index_var, 1);
7957 mono_mb_emit_add_to_local (mb, src_ptr, esize);
7959 mono_mb_emit_branch_label (mb, CEE_BR, label2);
7961 mono_mb_patch_branch (mb, label1);
7962 mono_mb_patch_branch (mb, label3);
7966 case MARSHAL_ACTION_MANAGED_CONV_OUT: {
7968 guint32 label1, label2, label3;
7969 int index_var, dest_ptr, loc, esize, param_num, num_elem;
7970 MonoMarshalConv conv;
7971 gboolean is_string = FALSE;
7974 /* Already handled in CONV_IN */
7977 /* These are already checked in CONV_IN */
7978 g_assert (!t->byref);
7979 g_assert (spec->native == MONO_NATIVE_LPARRAY);
7980 g_assert (t->attrs & PARAM_ATTRIBUTE_OUT);
7982 param_num = spec->data.array_data.param_num;
7983 num_elem = spec->data.array_data.num_elem;
7985 if (spec->data.array_data.elem_mult == 0)
7986 /* param_num is not specified */
7989 if (param_num == -1) {
7990 if (num_elem <= 0) {
7991 g_assert_not_reached ();
7995 /* FIXME: Optimize blittable case */
7997 eklass = klass->element_class;
7998 if (eklass == mono_defaults.string_class) {
8000 conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
8002 else if (eklass == mono_defaults.stringbuilder_class) {
8004 conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
8009 mono_marshal_load_type_info (eklass);
8012 esize = sizeof (gpointer);
8014 esize = mono_class_native_size (eklass, NULL);
8016 dest_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8017 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8020 mono_mb_emit_ldloc (mb, conv_arg);
8021 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
8023 mono_mb_emit_ldarg (mb, argnum);
8024 mono_mb_emit_stloc (mb, dest_ptr);
8026 if (eklass->blittable) {
8028 mono_mb_emit_ldarg (mb, argnum);
8030 mono_mb_emit_ldloc (mb, conv_arg);
8031 mono_mb_emit_byte (mb, CEE_CONV_I);
8032 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArray, vector));
8033 mono_mb_emit_byte (mb, CEE_ADD);
8035 mono_mb_emit_ldloc (mb, conv_arg);
8036 mono_mb_emit_byte (mb, CEE_LDLEN);
8037 mono_mb_emit_icon (mb, esize);
8038 mono_mb_emit_byte (mb, CEE_MUL);
8039 mono_mb_emit_byte (mb, CEE_PREFIX1);
8040 mono_mb_emit_byte (mb, CEE_CPBLK);
8044 /* Emit marshalling loop */
8045 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8046 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
8047 mono_mb_emit_stloc (mb, index_var);
8048 label2 = mono_mb_get_label (mb);
8049 mono_mb_emit_ldloc (mb, index_var);
8050 mono_mb_emit_ldloc (mb, conv_arg);
8051 mono_mb_emit_byte (mb, CEE_LDLEN);
8052 label3 = mono_mb_emit_branch (mb, CEE_BGE);
8054 /* Emit marshalling code */
8056 g_assert (conv != -1);
8059 mono_mb_emit_ldloc (mb, dest_ptr);
8062 mono_mb_emit_ldloc (mb, conv_arg);
8063 mono_mb_emit_ldloc (mb, index_var);
8065 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
8067 mono_mb_emit_icall (mb, conv_to_icall (conv));
8068 mono_mb_emit_byte (mb, CEE_STIND_I);
8071 char *msg = g_strdup ("Marshalling of non-string and non-blittable arrays to managed code is not implemented.");
8072 mono_mb_emit_exception_marshal_directive (mb, msg);
8076 mono_mb_emit_add_to_local (mb, index_var, 1);
8077 mono_mb_emit_add_to_local (mb, dest_ptr, esize);
8079 mono_mb_emit_branch_label (mb, CEE_BR, label2);
8081 mono_mb_patch_branch (mb, label1);
8082 mono_mb_patch_branch (mb, label3);
8086 case MARSHAL_ACTION_MANAGED_CONV_RESULT: {
8088 guint32 label1, label2, label3;
8089 int index_var, src, dest, esize;
8090 MonoMarshalConv conv = -1;
8091 gboolean is_string = FALSE;
8093 g_assert (!t->byref);
8095 eklass = klass->element_class;
8097 mono_marshal_load_type_info (eklass);
8099 if (eklass == mono_defaults.string_class) {
8101 conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
8104 g_assert_not_reached ();
8108 esize = sizeof (gpointer);
8109 else if (eklass == mono_defaults.char_class)
8110 esize = mono_pinvoke_is_unicode (m->piinfo) ? 2 : 1;
8112 esize = mono_class_native_size (eklass, NULL);
8114 src = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
8115 dest = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8117 mono_mb_emit_stloc (mb, src);
8118 mono_mb_emit_ldloc (mb, src);
8119 mono_mb_emit_stloc (mb, 3);
8121 /* Check for null */
8122 mono_mb_emit_ldloc (mb, src);
8123 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
8125 /* Allocate native array */
8126 mono_mb_emit_icon (mb, esize);
8127 mono_mb_emit_ldloc (mb, src);
8128 mono_mb_emit_byte (mb, CEE_LDLEN);
8130 if (eklass == mono_defaults.string_class) {
8131 /* Make the array bigger for the terminating null */
8132 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
8133 mono_mb_emit_byte (mb, CEE_ADD);
8135 mono_mb_emit_byte (mb, CEE_MUL);
8136 mono_mb_emit_icall (mb, mono_marshal_alloc);
8137 mono_mb_emit_stloc (mb, dest);
8138 mono_mb_emit_ldloc (mb, dest);
8139 mono_mb_emit_stloc (mb, 3);
8141 /* Emit marshalling loop */
8142 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8143 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
8144 mono_mb_emit_stloc (mb, index_var);
8145 label2 = mono_mb_get_label (mb);
8146 mono_mb_emit_ldloc (mb, index_var);
8147 mono_mb_emit_ldloc (mb, src);
8148 mono_mb_emit_byte (mb, CEE_LDLEN);
8149 label3 = mono_mb_emit_branch (mb, CEE_BGE);
8151 /* Emit marshalling code */
8153 g_assert (conv != -1);
8156 mono_mb_emit_ldloc (mb, dest);
8159 mono_mb_emit_ldloc (mb, src);
8160 mono_mb_emit_ldloc (mb, index_var);
8162 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
8164 mono_mb_emit_icall (mb, conv_to_icall (conv));
8165 mono_mb_emit_byte (mb, CEE_STIND_I);
8168 char *msg = g_strdup ("Marshalling of non-string arrays to managed code is not implemented.");
8169 mono_mb_emit_exception_marshal_directive (mb, msg);
8173 mono_mb_emit_add_to_local (mb, index_var, 1);
8174 mono_mb_emit_add_to_local (mb, dest, esize);
8176 mono_mb_emit_branch_label (mb, CEE_BR, label2);
8178 mono_mb_patch_branch (mb, label3);
8179 mono_mb_patch_branch (mb, label1);
8183 g_assert_not_reached ();
8190 marshal_boolean_conv_in_get_local_type (MonoMarshalSpec *spec, guint8 *ldc_op /*out*/)
8193 return &mono_defaults.int32_class->byval_arg;
8195 switch (spec->native) {
8196 case MONO_NATIVE_I1:
8197 case MONO_NATIVE_U1:
8198 return &mono_defaults.byte_class->byval_arg;
8199 case MONO_NATIVE_VARIANTBOOL:
8200 if (ldc_op) *ldc_op = CEE_LDC_I4_M1;
8201 return &mono_defaults.int16_class->byval_arg;
8202 case MONO_NATIVE_BOOLEAN:
8203 return &mono_defaults.int32_class->byval_arg;
8205 g_warning ("marshalling bool as native type %x is currently not supported", spec->native);
8206 return &mono_defaults.int32_class->byval_arg;
8212 marshal_boolean_managed_conv_in_get_conv_arg_class (MonoMarshalSpec *spec, guint8 *ldop/*out*/)
8214 MonoClass* conv_arg_class = mono_defaults.int32_class;
8216 switch (spec->native) {
8217 case MONO_NATIVE_I1:
8218 case MONO_NATIVE_U1:
8219 conv_arg_class = mono_defaults.byte_class;
8220 if (ldop) *ldop = CEE_LDIND_I1;
8222 case MONO_NATIVE_VARIANTBOOL:
8223 conv_arg_class = mono_defaults.int16_class;
8224 if (ldop) *ldop = CEE_LDIND_I2;
8226 case MONO_NATIVE_BOOLEAN:
8229 g_warning ("marshalling bool as native type %x is currently not supported", spec->native);
8232 return conv_arg_class;
8236 emit_marshal_boolean (EmitMarshalContext *m, int argnum, MonoType *t,
8237 MonoMarshalSpec *spec,
8238 int conv_arg, MonoType **conv_arg_type,
8239 MarshalAction action)
8243 case MARSHAL_ACTION_CONV_IN:
8245 *conv_arg_type = &mono_defaults.int_class->byval_arg;
8247 *conv_arg_type = marshal_boolean_conv_in_get_local_type (spec, NULL);
8250 case MARSHAL_ACTION_MANAGED_CONV_IN: {
8251 MonoClass* conv_arg_class = marshal_boolean_managed_conv_in_get_conv_arg_class (spec, NULL);
8253 *conv_arg_type = &conv_arg_class->this_arg;
8255 *conv_arg_type = &conv_arg_class->byval_arg;
8261 MonoMethodBuilder *mb = m->mb;
8264 case MARSHAL_ACTION_CONV_IN: {
8265 MonoType *local_type;
8267 guint8 ldc_op = CEE_LDC_I4_1;
8269 local_type = marshal_boolean_conv_in_get_local_type (spec, &ldc_op);
8271 *conv_arg_type = &mono_defaults.int_class->byval_arg;
8273 *conv_arg_type = local_type;
8274 conv_arg = mono_mb_add_local (mb, local_type);
8276 mono_mb_emit_ldarg (mb, argnum);
8278 mono_mb_emit_byte (mb, CEE_LDIND_I1);
8279 label_false = mono_mb_emit_branch (mb, CEE_BRFALSE);
8280 mono_mb_emit_byte (mb, ldc_op);
8281 mono_mb_emit_stloc (mb, conv_arg);
8282 mono_mb_patch_branch (mb, label_false);
8287 case MARSHAL_ACTION_CONV_OUT:
8289 int label_false, label_end;
8293 mono_mb_emit_ldarg (mb, argnum);
8294 mono_mb_emit_ldloc (mb, conv_arg);
8296 label_false = mono_mb_emit_branch (mb, CEE_BRFALSE);
8297 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
8299 label_end = mono_mb_emit_branch (mb, CEE_BR);
8300 mono_mb_patch_branch (mb, label_false);
8301 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
8302 mono_mb_patch_branch (mb, label_end);
8304 mono_mb_emit_byte (mb, CEE_STIND_I1);
8308 case MARSHAL_ACTION_PUSH:
8310 mono_mb_emit_ldloc_addr (mb, conv_arg);
8312 mono_mb_emit_ldloc (mb, conv_arg);
8314 mono_mb_emit_ldarg (mb, argnum);
8317 case MARSHAL_ACTION_CONV_RESULT:
8318 /* maybe we need to make sure that it fits within 8 bits */
8319 mono_mb_emit_stloc (mb, 3);
8322 case MARSHAL_ACTION_MANAGED_CONV_IN: {
8323 MonoClass* conv_arg_class = mono_defaults.int32_class;
8324 guint8 ldop = CEE_LDIND_I4;
8325 int label_null, label_false;
8327 conv_arg_class = marshal_boolean_managed_conv_in_get_conv_arg_class (spec, &ldop);
8328 conv_arg = mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
8331 *conv_arg_type = &conv_arg_class->this_arg;
8333 *conv_arg_type = &conv_arg_class->byval_arg;
8336 mono_mb_emit_ldarg (mb, argnum);
8340 label_null = mono_mb_emit_branch (mb, CEE_BRFALSE);
8341 mono_mb_emit_ldarg (mb, argnum);
8342 mono_mb_emit_byte (mb, ldop);
8346 label_false = mono_mb_emit_branch (mb, CEE_BRFALSE);
8347 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
8348 mono_mb_emit_stloc (mb, conv_arg);
8349 mono_mb_patch_branch (mb, label_false);
8352 mono_mb_patch_branch (mb, label_null);
8356 case MARSHAL_ACTION_MANAGED_CONV_OUT: {
8357 guint8 stop = CEE_STIND_I4;
8358 guint8 ldc_op = CEE_LDC_I4_1;
8359 int label_null,label_false, label_end;;
8364 switch (spec->native) {
8365 case MONO_NATIVE_I1:
8366 case MONO_NATIVE_U1:
8367 stop = CEE_STIND_I1;
8369 case MONO_NATIVE_VARIANTBOOL:
8370 stop = CEE_STIND_I2;
8371 ldc_op = CEE_LDC_I4_M1;
8379 mono_mb_emit_ldarg (mb, argnum);
8380 label_null = mono_mb_emit_branch (mb, CEE_BRFALSE);
8382 mono_mb_emit_ldarg (mb, argnum);
8383 mono_mb_emit_ldloc (mb, conv_arg);
8385 label_false = mono_mb_emit_branch (mb, CEE_BRFALSE);
8386 mono_mb_emit_byte (mb, ldc_op);
8387 label_end = mono_mb_emit_branch (mb, CEE_BR);
8389 mono_mb_patch_branch (mb, label_false);
8390 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
8391 mono_mb_patch_branch (mb, label_end);
8393 mono_mb_emit_byte (mb, stop);
8394 mono_mb_patch_branch (mb, label_null);
8399 g_assert_not_reached ();
8406 emit_marshal_ptr (EmitMarshalContext *m, int argnum, MonoType *t,
8407 MonoMarshalSpec *spec, int conv_arg,
8408 MonoType **conv_arg_type, MarshalAction action)
8411 MonoMethodBuilder *mb = m->mb;
8414 case MARSHAL_ACTION_CONV_IN:
8415 /* MS seems to allow this in some cases, ie. bxc #158 */
8417 if (MONO_TYPE_ISSTRUCT (t->data.type) && !mono_class_from_mono_type (t->data.type)->blittable) {
8418 char *msg = g_strdup_printf ("Can not marshal 'parameter #%d': Pointers can not reference marshaled structures. Use byref instead.", argnum + 1);
8419 mono_mb_emit_exception_marshal_directive (m->mb, msg);
8424 case MARSHAL_ACTION_PUSH:
8425 mono_mb_emit_ldarg (mb, argnum);
8428 case MARSHAL_ACTION_CONV_RESULT:
8429 /* no conversions necessary */
8430 mono_mb_emit_stloc (mb, 3);
8441 emit_marshal_char (EmitMarshalContext *m, int argnum, MonoType *t,
8442 MonoMarshalSpec *spec, int conv_arg,
8443 MonoType **conv_arg_type, MarshalAction action)
8446 MonoMethodBuilder *mb = m->mb;
8449 case MARSHAL_ACTION_PUSH:
8450 /* fixme: dont know how to marshal that. We cant simply
8451 * convert it to a one byte UTF8 character, because an
8452 * unicode character may need more that one byte in UTF8 */
8453 mono_mb_emit_ldarg (mb, argnum);
8456 case MARSHAL_ACTION_CONV_RESULT:
8457 /* fixme: we need conversions here */
8458 mono_mb_emit_stloc (mb, 3);
8469 emit_marshal_scalar (EmitMarshalContext *m, int argnum, MonoType *t,
8470 MonoMarshalSpec *spec, int conv_arg,
8471 MonoType **conv_arg_type, MarshalAction action)
8474 MonoMethodBuilder *mb = m->mb;
8477 case MARSHAL_ACTION_PUSH:
8478 mono_mb_emit_ldarg (mb, argnum);
8481 case MARSHAL_ACTION_CONV_RESULT:
8482 /* no conversions necessary */
8483 mono_mb_emit_stloc (mb, 3);
8494 emit_marshal (EmitMarshalContext *m, int argnum, MonoType *t,
8495 MonoMarshalSpec *spec, int conv_arg,
8496 MonoType **conv_arg_type, MarshalAction action)
8498 /* Ensure that we have marshalling info for this param */
8499 mono_marshal_load_type_info (mono_class_from_mono_type (t));
8501 if (spec && spec->native == MONO_NATIVE_CUSTOM)
8502 return emit_marshal_custom (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8504 if (spec && spec->native == MONO_NATIVE_ASANY)
8505 return emit_marshal_asany (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8508 case MONO_TYPE_VALUETYPE:
8509 if (t->data.klass == mono_defaults.handleref_class)
8510 return emit_marshal_handleref (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8512 return emit_marshal_vtype (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8513 case MONO_TYPE_STRING:
8514 return emit_marshal_string (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8515 case MONO_TYPE_CLASS:
8516 case MONO_TYPE_OBJECT:
8518 if (spec && spec->native == MONO_NATIVE_STRUCT)
8519 return emit_marshal_variant (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8521 if (spec && (spec->native == MONO_NATIVE_IUNKNOWN ||
8522 spec->native == MONO_NATIVE_IDISPATCH ||
8523 spec->native == MONO_NATIVE_INTERFACE))
8524 return mono_cominterop_emit_marshal_com_interface (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8525 if (spec && (spec->native == MONO_NATIVE_SAFEARRAY) &&
8526 (spec->data.safearray_data.elem_type == MONO_VARIANT_VARIANT) &&
8527 ((action == MARSHAL_ACTION_CONV_OUT) || (action == MARSHAL_ACTION_CONV_IN) || (action == MARSHAL_ACTION_PUSH)))
8528 return mono_cominterop_emit_marshal_safearray (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8531 if (mono_defaults.safehandle_class != NULL && t->data.klass &&
8532 mono_class_is_subclass_of (t->data.klass, mono_defaults.safehandle_class, FALSE))
8533 return emit_marshal_safehandle (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8535 return emit_marshal_object (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8536 case MONO_TYPE_ARRAY:
8537 case MONO_TYPE_SZARRAY:
8538 return emit_marshal_array (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8539 case MONO_TYPE_BOOLEAN:
8540 return emit_marshal_boolean (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8542 return emit_marshal_ptr (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8543 case MONO_TYPE_CHAR:
8544 return emit_marshal_char (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8557 case MONO_TYPE_FNPTR:
8558 return emit_marshal_scalar (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8559 case MONO_TYPE_GENERICINST:
8560 if (mono_type_generic_inst_is_valuetype (t))
8561 return emit_marshal_vtype (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8563 return emit_marshal_object (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8570 * mono_marshal_emit_native_wrapper:
8571 * @image: the image to use for looking up custom marshallers
8572 * @sig: The signature of the native function
8573 * @piinfo: Marshalling information
8574 * @mspecs: Marshalling information
8575 * @aot: whenever the created method will be compiled by the AOT compiler
8576 * @method: if non-NULL, the pinvoke method to call
8577 * @check_exceptions: Whenever to check for pending exceptions after the native call
8578 * @func_param: the function to call is passed as a boxed IntPtr as the first parameter
8580 * generates IL code for the pinvoke wrapper, the generated code calls @func.
8583 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)
8585 EmitMarshalContext m;
8586 MonoMethodSignature *csig;
8588 int i, argnum, *tmp_locals;
8589 int type, param_shift = 0;
8590 static MonoMethodSignature *get_last_error_sig = NULL;
8595 /* we copy the signature, so that we can set pinvoke to 0 */
8597 /* The function address is passed as the first argument */
8598 g_assert (!sig->hasthis);
8601 csig = signature_dup (mb->method->klass->image, sig);
8609 /* we allocate local for use with emit_struct_conv() */
8610 /* allocate local 0 (pointer) src_ptr */
8611 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8612 /* allocate local 1 (pointer) dst_ptr */
8613 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8614 /* allocate local 2 (boolean) delete_old */
8615 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
8617 /* delete_old = FALSE */
8618 mono_mb_emit_icon (mb, 0);
8619 mono_mb_emit_stloc (mb, 2);
8621 if (!MONO_TYPE_IS_VOID(sig->ret)) {
8622 /* allocate local 3 to store the return value */
8623 mono_mb_add_local (mb, sig->ret);
8626 if (mspecs [0] && mspecs [0]->native == MONO_NATIVE_CUSTOM) {
8627 /* Return type custom marshaling */
8629 * Since we can't determine the return type of the unmanaged function,
8630 * we assume it returns a pointer, and pass that pointer to
8631 * MarshalNativeToManaged.
8633 csig->ret = &mono_defaults.int_class->byval_arg;
8636 /* we first do all conversions */
8637 tmp_locals = alloca (sizeof (int) * sig->param_count);
8638 m.orig_conv_args = alloca (sizeof (int) * (sig->param_count + 1));
8640 for (i = 0; i < sig->param_count; i ++) {
8641 tmp_locals [i] = emit_marshal (&m, i + param_shift, sig->params [i], mspecs [i + 1], 0, &csig->params [i], MARSHAL_ACTION_CONV_IN);
8644 /* push all arguments */
8647 mono_mb_emit_byte (mb, CEE_LDARG_0);
8649 for (i = 0; i < sig->param_count; i++) {
8650 emit_marshal (&m, i + param_shift, sig->params [i], mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_PUSH);
8653 /* call the native method */
8655 mono_mb_emit_byte (mb, CEE_LDARG_0);
8656 mono_mb_emit_op (mb, CEE_UNBOX, mono_defaults.int_class);
8657 mono_mb_emit_byte (mb, CEE_LDIND_I);
8658 mono_mb_emit_calli (mb, csig);
8659 } else if (MONO_CLASS_IS_IMPORT (mb->method->klass)) {
8661 mono_mb_emit_cominterop_call (mb, csig, &piinfo->method);
8663 g_assert_not_reached ();
8668 /* Reuse the ICALL_ADDR opcode for pinvokes too */
8669 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
8670 mono_mb_emit_op (mb, CEE_MONO_ICALL_ADDR, &piinfo->method);
8671 mono_mb_emit_calli (mb, csig);
8673 mono_mb_emit_native_call (mb, csig, func);
8677 /* Set LastError if needed */
8678 if (piinfo->piflags & PINVOKE_ATTRIBUTE_SUPPORTS_LAST_ERROR) {
8679 if (!get_last_error_sig) {
8680 get_last_error_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
8681 get_last_error_sig->ret = &mono_defaults.int_class->byval_arg;
8682 get_last_error_sig->pinvoke = 1;
8687 * Have to call GetLastError () early and without a wrapper, since various runtime components could
8688 * clobber its value.
8690 mono_mb_emit_native_call (mb, get_last_error_sig, GetLastError);
8691 mono_mb_emit_icall (mb, mono_marshal_set_last_error_windows);
8693 mono_mb_emit_icall (mb, mono_marshal_set_last_error);
8697 /* convert the result */
8698 if (!sig->ret->byref) {
8699 MonoMarshalSpec *spec = mspecs [0];
8700 type = sig->ret->type;
8702 if (spec && spec->native == MONO_NATIVE_CUSTOM) {
8703 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
8708 case MONO_TYPE_VOID:
8710 case MONO_TYPE_VALUETYPE:
8711 klass = sig->ret->data.klass;
8712 if (klass->enumtype) {
8713 type = mono_class_enum_basetype (sig->ret->data.klass)->type;
8716 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
8730 case MONO_TYPE_FNPTR:
8731 case MONO_TYPE_STRING:
8732 case MONO_TYPE_CLASS:
8733 case MONO_TYPE_OBJECT:
8734 case MONO_TYPE_BOOLEAN:
8735 case MONO_TYPE_ARRAY:
8736 case MONO_TYPE_SZARRAY:
8737 case MONO_TYPE_CHAR:
8739 case MONO_TYPE_GENERICINST:
8740 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
8742 case MONO_TYPE_TYPEDBYREF:
8744 g_warning ("return type 0x%02x unknown", sig->ret->type);
8745 g_assert_not_reached ();
8749 mono_mb_emit_stloc (mb, 3);
8753 * Need to call this after converting the result since MONO_VTADDR needs
8754 * to be adjacent to the call instruction.
8756 if (check_exceptions)
8757 emit_thread_interrupt_checkpoint (mb);
8759 /* we need to convert byref arguments back and free string arrays */
8760 for (i = 0; i < sig->param_count; i++) {
8761 MonoType *t = sig->params [i];
8762 MonoMarshalSpec *spec = mspecs [i + 1];
8764 argnum = i + param_shift;
8766 if (spec && ((spec->native == MONO_NATIVE_CUSTOM) || (spec->native == MONO_NATIVE_ASANY))) {
8767 emit_marshal (&m, argnum, t, spec, tmp_locals [i], NULL, MARSHAL_ACTION_CONV_OUT);
8772 case MONO_TYPE_STRING:
8773 case MONO_TYPE_VALUETYPE:
8774 case MONO_TYPE_CLASS:
8775 case MONO_TYPE_OBJECT:
8776 case MONO_TYPE_SZARRAY:
8777 case MONO_TYPE_BOOLEAN:
8778 emit_marshal (&m, argnum, t, spec, tmp_locals [i], NULL, MARSHAL_ACTION_CONV_OUT);
8783 if (!MONO_TYPE_IS_VOID(sig->ret))
8784 mono_mb_emit_ldloc (mb, 3);
8786 mono_mb_emit_byte (mb, CEE_RET);
8788 #endif /* DISABLE_JIT */
8791 G_GNUC_UNUSED static void
8792 code_for (MonoMethod *method) {
8793 MonoMethodHeader *header = mono_method_get_header (method);
8794 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));
8798 * mono_marshal_get_native_wrapper:
8799 * @method: The MonoMethod to wrap.
8800 * @check_exceptions: Whenever to check for pending exceptions
8802 * generates IL code for the pinvoke wrapper (the generated method
8803 * calls the unmanaged code in piinfo->addr)
8804 * The wrapper info for the wrapper is a WrapperInfo structure.
8807 mono_marshal_get_native_wrapper (MonoMethod *method, gboolean check_exceptions, gboolean aot)
8809 MonoMethodSignature *sig, *csig;
8810 MonoMethodPInvoke *piinfo = (MonoMethodPInvoke *) method;
8811 MonoMethodBuilder *mb;
8812 MonoMarshalSpec **mspecs;
8815 gboolean pinvoke = FALSE;
8818 const char *exc_class = "MissingMethodException";
8819 const char *exc_arg = NULL;
8822 g_assert (method != NULL);
8823 g_assert (mono_method_signature (method)->pinvoke);
8826 cache = get_cache (&method->klass->image->native_wrapper_aot_cache, mono_aligned_addr_hash, NULL);
8828 cache = get_cache (&method->klass->image->native_wrapper_cache, mono_aligned_addr_hash, NULL);
8829 if ((res = mono_marshal_find_in_cache (cache, method)))
8832 if (MONO_CLASS_IS_IMPORT (method->klass)) {
8834 return mono_cominterop_get_native_wrapper (method);
8836 g_assert_not_reached ();
8840 sig = mono_method_signature (method);
8842 if (!(method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
8843 (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL))
8846 if (!piinfo->addr) {
8848 if (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)
8849 exc_arg = "Method contains unsupported native code";
8851 mono_lookup_pinvoke_call (method, &exc_class, &exc_arg);
8853 piinfo->addr = mono_lookup_internal_call (method);
8856 /* hack - redirect certain string constructors to CreateString */
8857 if (piinfo->addr == ves_icall_System_String_ctor_RedirectToCreateString) {
8858 g_assert (!pinvoke);
8859 g_assert (method->string_ctor);
8860 g_assert (sig->hasthis);
8862 /* CreateString returns a value */
8863 csig = signature_dup (method->klass->image, sig);
8864 csig->ret = &mono_defaults.string_class->byval_arg;
8868 while ((res = mono_class_get_methods (mono_defaults.string_class, &iter))) {
8869 if (!strcmp ("CreateString", res->name) &&
8870 mono_metadata_signature_equal (csig, mono_method_signature (res))) {
8873 g_assert (!(res->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL));
8874 g_assert (!(res->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL));
8876 /* create a wrapper to preserve .ctor in stack trace */
8877 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_MANAGED_TO_MANAGED);
8880 mono_mb_emit_byte (mb, CEE_LDARG_0);
8881 for (i = 1; i <= csig->param_count; i++)
8882 mono_mb_emit_ldarg (mb, i);
8883 mono_mb_emit_managed_call (mb, res, NULL);
8884 mono_mb_emit_byte (mb, CEE_RET);
8887 /* use native_wrapper_cache because internal calls are looked up there */
8888 res = mono_mb_create_and_cache (cache, method,
8889 mb, csig, csig->param_count + 1);
8893 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_STRING_CTOR);
8894 info->d.string_ctor.method = method;
8896 mono_marshal_set_wrapper_info (res, info);
8902 /* exception will be thrown */
8903 piinfo->addr = NULL;
8904 g_warning ("cannot find CreateString for .ctor");
8907 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_MANAGED_TO_NATIVE);
8909 mb->method->save_lmf = 1;
8912 * In AOT mode and embedding scenarios, it is possible that the icall is not
8913 * registered in the runtime doing the AOT compilation.
8915 if (!piinfo->addr && !aot) {
8917 mono_mb_emit_exception (mb, exc_class, exc_arg);
8919 csig = signature_dup (method->klass->image, sig);
8921 res = mono_mb_create_and_cache (cache, method,
8922 mb, csig, csig->param_count + 16);
8925 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_NONE);
8926 info->d.managed_to_native.method = method;
8927 mono_marshal_set_wrapper_info (res, info);
8932 /* internal calls: we simply push all arguments and call the method (no conversions) */
8933 if (method->iflags & (METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL | METHOD_IMPL_ATTRIBUTE_RUNTIME)) {
8935 csig = signature_dup_add_this (method->klass->image, sig, method->klass);
8937 csig = signature_dup (method->klass->image, sig);
8939 /* hack - string constructors returns a value */
8940 if (method->string_ctor)
8941 csig->ret = &mono_defaults.string_class->byval_arg;
8948 * Add a null check since public icalls can be called with 'call' which
8949 * does no such check.
8951 mono_mb_emit_byte (mb, CEE_LDARG_0);
8952 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
8953 mono_mb_emit_exception (mb, "NullReferenceException", NULL);
8954 mono_mb_patch_branch (mb, pos);
8956 mono_mb_emit_byte (mb, CEE_LDARG_0);
8959 for (i = 0; i < sig->param_count; i++)
8960 mono_mb_emit_ldarg (mb, i + sig->hasthis);
8963 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
8964 mono_mb_emit_op (mb, CEE_MONO_ICALL_ADDR, &piinfo->method);
8965 mono_mb_emit_calli (mb, csig);
8967 g_assert (piinfo->addr);
8968 mono_mb_emit_native_call (mb, csig, piinfo->addr);
8970 if (check_exceptions)
8971 emit_thread_interrupt_checkpoint (mb);
8972 mono_mb_emit_byte (mb, CEE_RET);
8975 csig = signature_dup (method->klass->image, csig);
8977 res = mono_mb_create_and_cache (cache, method,
8978 mb, csig, csig->param_count + 16);
8980 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_NONE);
8981 info->d.managed_to_native.method = method;
8982 mono_marshal_set_wrapper_info (res, info);
8990 g_assert (piinfo->addr);
8993 mspecs = g_new (MonoMarshalSpec*, sig->param_count + 1);
8994 mono_method_get_marshal_info (method, mspecs);
8996 mono_marshal_emit_native_wrapper (mb->method->klass->image, mb, sig, piinfo, mspecs, piinfo->addr, aot, check_exceptions, FALSE);
8999 csig = signature_dup (method->klass->image, sig);
9001 res = mono_mb_create_and_cache (cache, method,
9002 mb, csig, csig->param_count + 16);
9005 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_NONE);
9006 info->d.managed_to_native.method = method;
9007 mono_marshal_set_wrapper_info (res, info);
9010 for (i = sig->param_count; i >= 0; i--)
9012 mono_metadata_free_marshal_spec (mspecs [i]);
9016 /* code_for (res); */
9022 * mono_marshal_get_native_func_wrapper:
9023 * @image: The image to use for memory allocation and for looking up custom marshallers.
9024 * @sig: The signature of the function
9025 * @func: The native function to wrap
9027 * Returns a wrapper method around native functions, similar to the pinvoke
9031 mono_marshal_get_native_func_wrapper (MonoImage *image, MonoMethodSignature *sig,
9032 MonoMethodPInvoke *piinfo, MonoMarshalSpec **mspecs, gpointer func)
9034 MonoMethodSignature *csig;
9036 MonoMethodBuilder *mb;
9041 cache = get_cache (&image->native_wrapper_cache, mono_aligned_addr_hash, NULL);
9042 if ((res = mono_marshal_find_in_cache (cache, func)))
9045 name = g_strdup_printf ("wrapper_native_%p", func);
9046 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_MANAGED_TO_NATIVE);
9047 mb->method->save_lmf = 1;
9050 mono_marshal_emit_native_wrapper (image, mb, sig, piinfo, mspecs, func, FALSE, TRUE, FALSE);
9053 csig = signature_dup (image, sig);
9055 res = mono_mb_create_and_cache (cache, func,
9056 mb, csig, csig->param_count + 16);
9059 mono_marshal_set_wrapper_info (res, NULL);
9065 * The wrapper receives the native function as a boxed IntPtr as its 'this' argument. This is easier to support in
9069 mono_marshal_get_native_func_wrapper_aot (MonoClass *klass)
9071 MonoMethodSignature *sig, *csig;
9072 MonoMethodBuilder *mb;
9077 MonoMethodPInvoke mpiinfo;
9078 MonoMethodPInvoke *piinfo = &mpiinfo;
9079 MonoMarshalSpec **mspecs;
9080 MonoMethod *invoke = mono_get_delegate_invoke (klass);
9081 MonoImage *image = invoke->klass->image;
9084 // FIXME: include UnmanagedFunctionPointerAttribute info
9087 * The wrapper is associated with the delegate type, to pick up the marshalling info etc.
9089 cache = get_cache (&image->native_func_wrapper_aot_cache, mono_aligned_addr_hash, NULL);
9090 if ((res = mono_marshal_find_in_cache (cache, invoke)))
9093 memset (&mpiinfo, 0, sizeof (mpiinfo));
9094 parse_unmanaged_function_pointer_attr (klass, &mpiinfo);
9096 mspecs = g_new0 (MonoMarshalSpec*, mono_method_signature (invoke)->param_count + 1);
9097 mono_method_get_marshal_info (invoke, mspecs);
9098 /* Freed below so don't alloc from mempool */
9099 sig = mono_metadata_signature_dup (mono_method_signature (invoke));
9102 name = g_strdup_printf ("wrapper_aot_native");
9103 mb = mono_mb_new (invoke->klass, name, MONO_WRAPPER_MANAGED_TO_NATIVE);
9104 mb->method->save_lmf = 1;
9107 mono_marshal_emit_native_wrapper (image, mb, sig, piinfo, mspecs, NULL, FALSE, TRUE, TRUE);
9110 g_assert (!sig->hasthis);
9111 csig = signature_dup_add_this (image, sig, mono_defaults.int_class);
9113 res = mono_mb_create_and_cache (cache, invoke,
9114 mb, csig, csig->param_count + 16);
9117 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_NATIVE_FUNC_AOT);
9118 info->d.managed_to_native.method = invoke;
9120 mono_marshal_set_wrapper_info (res, info);
9122 for (i = mono_method_signature (invoke)->param_count; i >= 0; i--)
9124 mono_metadata_free_marshal_spec (mspecs [i]);
9132 * mono_marshal_emit_managed_wrapper:
9134 * Emit the body of a native-to-managed wrapper. INVOKE_SIG is the signature of
9135 * the delegate which wraps the managed method to be called. For closed delegates,
9136 * it could have fewer parameters than the method it wraps.
9137 * THIS_LOC is the memory location where the target of the delegate is stored.
9140 mono_marshal_emit_managed_wrapper (MonoMethodBuilder *mb, MonoMethodSignature *invoke_sig, MonoMarshalSpec **mspecs, EmitMarshalContext* m, MonoMethod *method, uint32_t target_handle)
9143 MonoMethodSignature *sig, *csig;
9149 /* we first do all conversions */
9150 for (i = 0; i < sig->param_count; i ++) {
9151 MonoType *t = sig->params [i];
9154 case MONO_TYPE_OBJECT:
9155 case MONO_TYPE_CLASS:
9156 case MONO_TYPE_VALUETYPE:
9157 case MONO_TYPE_ARRAY:
9158 case MONO_TYPE_SZARRAY:
9159 case MONO_TYPE_STRING:
9160 case MONO_TYPE_BOOLEAN:
9161 emit_marshal (m, i, sig->params [i], mspecs [i + 1], 0, &csig->params [i], MARSHAL_ACTION_MANAGED_CONV_IN);
9165 MonoMethodSignature *sig, *csig;
9167 gboolean closed = FALSE;
9172 /* allocate local 0 (pointer) src_ptr */
9173 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9174 /* allocate local 1 (pointer) dst_ptr */
9175 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9176 /* allocate local 2 (boolean) delete_old */
9177 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
9179 if (!sig->hasthis && sig->param_count != invoke_sig->param_count) {
9180 /* Closed delegate */
9181 g_assert (sig->param_count == invoke_sig->param_count + 1);
9183 /* Use a new signature without the first argument */
9184 sig = mono_metadata_signature_dup (sig);
9185 memmove (&sig->params [0], &sig->params [1], (sig->param_count - 1) * sizeof (MonoType*));
9186 sig->param_count --;
9189 if (!MONO_TYPE_IS_VOID(sig->ret)) {
9190 /* allocate local 3 to store the return value */
9191 mono_mb_add_local (mb, sig->ret);
9194 mono_mb_emit_icon (mb, 0);
9195 mono_mb_emit_stloc (mb, 2);
9198 * Might need to attach the thread to the JIT or change the
9199 * domain for the callback.
9201 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
9202 mono_mb_emit_byte (mb, CEE_MONO_JIT_ATTACH);
9204 /* we first do all conversions */
9205 tmp_locals = alloca (sizeof (int) * sig->param_count);
9206 for (i = 0; i < sig->param_count; i ++) {
9207 MonoType *t = sig->params [i];
9210 case MONO_TYPE_OBJECT:
9211 case MONO_TYPE_CLASS:
9212 case MONO_TYPE_VALUETYPE:
9213 case MONO_TYPE_ARRAY:
9214 case MONO_TYPE_SZARRAY:
9215 case MONO_TYPE_STRING:
9216 case MONO_TYPE_BOOLEAN:
9217 tmp_locals [i] = emit_marshal (m, i, sig->params [i], mspecs [i + 1], 0, &csig->params [i], MARSHAL_ACTION_MANAGED_CONV_IN);
9226 emit_thread_interrupt_checkpoint (mb);
9229 if (target_handle) {
9230 mono_mb_emit_icon (mb, (gint32)target_handle);
9231 mono_mb_emit_icall (mb, mono_gchandle_get_target);
9234 g_assert_not_reached ();
9236 } else if (closed) {
9237 mono_mb_emit_icon (mb, (gint32)target_handle);
9238 mono_mb_emit_icall (mb, mono_gchandle_get_target);
9241 for (i = 0; i < sig->param_count; i++) {
9242 MonoType *t = sig->params [i];
9244 if (tmp_locals [i]) {
9246 mono_mb_emit_ldloc_addr (mb, tmp_locals [i]);
9248 mono_mb_emit_ldloc (mb, tmp_locals [i]);
9251 mono_mb_emit_ldarg (mb, i);
9254 mono_mb_emit_managed_call (mb, method, NULL);
9256 if (mspecs [0] && mspecs [0]->native == MONO_NATIVE_CUSTOM) {
9257 emit_marshal (m, 0, sig->ret, mspecs [0], 0, NULL, MARSHAL_ACTION_MANAGED_CONV_RESULT);
9258 } else if (!sig->ret->byref) {
9259 switch (sig->ret->type) {
9260 case MONO_TYPE_VOID:
9262 case MONO_TYPE_BOOLEAN:
9265 case MONO_TYPE_CHAR:
9277 case MONO_TYPE_OBJECT:
9278 mono_mb_emit_stloc (mb, 3);
9280 case MONO_TYPE_STRING:
9281 csig->ret = &mono_defaults.int_class->byval_arg;
9282 emit_marshal (m, 0, sig->ret, mspecs [0], 0, NULL, MARSHAL_ACTION_MANAGED_CONV_RESULT);
9284 case MONO_TYPE_VALUETYPE:
9285 case MONO_TYPE_CLASS:
9286 case MONO_TYPE_SZARRAY:
9287 emit_marshal (m, 0, sig->ret, mspecs [0], 0, NULL, MARSHAL_ACTION_MANAGED_CONV_RESULT);
9290 g_warning ("return type 0x%02x unknown", sig->ret->type);
9291 g_assert_not_reached ();
9294 mono_mb_emit_stloc (mb, 3);
9297 /* Convert byref arguments back */
9298 for (i = 0; i < sig->param_count; i ++) {
9299 MonoType *t = sig->params [i];
9300 MonoMarshalSpec *spec = mspecs [i + 1];
9302 if (spec && spec->native == MONO_NATIVE_CUSTOM) {
9303 emit_marshal (m, i, t, mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_MANAGED_CONV_OUT);
9305 else if (t->byref) {
9307 case MONO_TYPE_CLASS:
9308 case MONO_TYPE_VALUETYPE:
9309 case MONO_TYPE_OBJECT:
9310 case MONO_TYPE_STRING:
9311 case MONO_TYPE_BOOLEAN:
9312 emit_marshal (m, i, t, mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_MANAGED_CONV_OUT);
9316 else if (invoke_sig->params [i]->attrs & PARAM_ATTRIBUTE_OUT) {
9317 /* The [Out] information is encoded in the delegate signature */
9319 case MONO_TYPE_SZARRAY:
9320 case MONO_TYPE_CLASS:
9321 case MONO_TYPE_VALUETYPE:
9322 emit_marshal (m, i, invoke_sig->params [i], mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_MANAGED_CONV_OUT);
9325 g_assert_not_reached ();
9330 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
9331 mono_mb_emit_byte (mb, CEE_MONO_JIT_DETACH);
9333 if (m->retobj_var) {
9334 mono_mb_emit_ldloc (mb, m->retobj_var);
9335 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
9336 mono_mb_emit_op (mb, CEE_MONO_RETOBJ, m->retobj_class);
9339 if (!MONO_TYPE_IS_VOID(sig->ret))
9340 mono_mb_emit_ldloc (mb, 3);
9341 mono_mb_emit_byte (mb, CEE_RET);
9350 mono_marshal_set_callconv_from_modopt (MonoMethod *method, MonoMethodSignature *csig)
9352 MonoMethodSignature *sig;
9357 * Under windows, delegates passed to native code must use the STDCALL
9358 * calling convention.
9360 csig->call_convention = MONO_CALL_STDCALL;
9363 sig = mono_method_signature (method);
9365 /* Change default calling convention if needed */
9366 /* Why is this a modopt ? */
9367 if (sig->ret && sig->ret->num_mods) {
9368 for (i = 0; i < sig->ret->num_mods; ++i) {
9369 MonoClass *cmod_class = mono_class_get (method->klass->image, sig->ret->modifiers [i].token);
9370 g_assert (cmod_class);
9371 if ((cmod_class->image == mono_defaults.corlib) && !strcmp (cmod_class->name_space, "System.Runtime.CompilerServices")) {
9372 if (!strcmp (cmod_class->name, "CallConvCdecl"))
9373 csig->call_convention = MONO_CALL_C;
9374 else if (!strcmp (cmod_class->name, "CallConvStdcall"))
9375 csig->call_convention = MONO_CALL_STDCALL;
9376 else if (!strcmp (cmod_class->name, "CallConvFastcall"))
9377 csig->call_convention = MONO_CALL_FASTCALL;
9378 else if (!strcmp (cmod_class->name, "CallConvThiscall"))
9379 csig->call_convention = MONO_CALL_THISCALL;
9386 * generates IL code to call managed methods from unmanaged code
9387 * If target_handle==0, the wrapper info will be a WrapperInfo structure.
9390 mono_marshal_get_managed_wrapper (MonoMethod *method, MonoClass *delegate_klass, uint32_t target_handle)
9392 static MonoClass *UnmanagedFunctionPointerAttribute;
9393 MonoMethodSignature *sig, *csig, *invoke_sig;
9394 MonoMethodBuilder *mb;
9395 MonoMethod *res, *invoke;
9396 MonoMarshalSpec **mspecs;
9397 MonoMethodPInvoke piinfo;
9400 EmitMarshalContext m;
9402 g_assert (method != NULL);
9403 g_assert (!mono_method_signature (method)->pinvoke);
9406 * FIXME: Should cache the method+delegate type pair, since the same method
9407 * could be called with different delegates, thus different marshalling
9410 cache = get_cache (&method->klass->image->managed_wrapper_cache, mono_aligned_addr_hash, NULL);
9411 if (!target_handle && (res = mono_marshal_find_in_cache (cache, method)))
9414 invoke = mono_get_delegate_invoke (delegate_klass);
9415 invoke_sig = mono_method_signature (invoke);
9417 mspecs = g_new0 (MonoMarshalSpec*, mono_method_signature (invoke)->param_count + 1);
9418 mono_method_get_marshal_info (invoke, mspecs);
9420 sig = mono_method_signature (method);
9422 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_NATIVE_TO_MANAGED);
9424 /*the target gchandle must be the first entry after size and the wrapper itself.*/
9425 mono_mb_add_data (mb, GUINT_TO_POINTER (target_handle));
9427 /* we copy the signature, so that we can modify it */
9429 /* Need to free this later */
9430 csig = mono_metadata_signature_dup (invoke_sig);
9432 csig = signature_dup (method->klass->image, invoke_sig);
9441 m.image = method->klass->image;
9443 mono_marshal_set_callconv_from_modopt (invoke, csig);
9445 /* Handle the UnmanagedFunctionPointerAttribute */
9446 if (!UnmanagedFunctionPointerAttribute)
9447 UnmanagedFunctionPointerAttribute = mono_class_from_name (mono_defaults.corlib, "System.Runtime.InteropServices", "UnmanagedFunctionPointerAttribute");
9449 /* The attribute is only available in Net 2.0 */
9450 if (UnmanagedFunctionPointerAttribute) {
9451 MonoCustomAttrInfo *cinfo;
9452 MonoCustomAttrEntry *attr;
9455 * The pinvoke attributes are stored in a real custom attribute. Obtain the
9456 * contents of the attribute without constructing it, as that might not be
9457 * possible when running in cross-compiling mode.
9459 cinfo = mono_custom_attrs_from_class (delegate_klass);
9462 for (i = 0; i < cinfo->num_attrs; ++i) {
9463 MonoClass *ctor_class = cinfo->attrs [i].ctor->klass;
9464 if (mono_class_has_parent (ctor_class, UnmanagedFunctionPointerAttribute)) {
9465 attr = &cinfo->attrs [i];
9471 MonoArray *typed_args, *named_args;
9472 CattrNamedArg *arginfo;
9476 MonoBoolean set_last_error = 0;
9477 MonoBoolean best_fit_mapping = 0;
9478 MonoBoolean throw_on_unmappable = 0;
9481 mono_reflection_create_custom_attr_data_args (mono_defaults.corlib, attr->ctor, attr->data, attr->data_size, &typed_args, &named_args, &arginfo, &error);
9482 g_assert (mono_error_ok (&error));
9483 g_assert (mono_array_length (typed_args) == 1);
9486 o = mono_array_get (typed_args, MonoObject*, 0);
9487 call_conv = *(gint32*)mono_object_unbox (o);
9490 for (i = 0; i < mono_array_length (named_args); ++i) {
9491 CattrNamedArg *narg = &arginfo [i];
9493 o = mono_array_get (named_args, MonoObject*, i);
9495 g_assert (narg->field);
9496 if (!strcmp (narg->field->name, "CharSet")) {
9497 charset = *(gint32*)mono_object_unbox (o);
9498 } else if (!strcmp (narg->field->name, "SetLastError")) {
9499 set_last_error = *(MonoBoolean*)mono_object_unbox (o);
9500 } else if (!strcmp (narg->field->name, "BestFitMapping")) {
9501 best_fit_mapping = *(MonoBoolean*)mono_object_unbox (o);
9502 } else if (!strcmp (narg->field->name, "ThrowOnUnmappableChar")) {
9503 throw_on_unmappable = *(MonoBoolean*)mono_object_unbox (o);
9505 g_assert_not_reached ();
9511 memset (&piinfo, 0, sizeof (piinfo));
9513 piinfo.piflags = (call_conv << 8) | (charset ? (charset - 1) * 2 : 1) | set_last_error;
9515 csig->call_convention = call_conv - 1;
9518 if (cinfo && !cinfo->cached)
9519 mono_custom_attrs_free (cinfo);
9522 mono_marshal_emit_managed_wrapper (mb, invoke_sig, mspecs, &m, method, target_handle);
9524 if (!target_handle) {
9527 res = mono_mb_create_and_cache (cache, method,
9528 mb, csig, sig->param_count + 16);
9529 // FIXME: Associate it with the method+delegate_klass pair
9530 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_NONE);
9531 info->d.native_to_managed.method = method;
9532 info->d.native_to_managed.klass = delegate_klass;
9533 mono_marshal_set_wrapper_info (res, info);
9538 res = mono_mb_create_method (mb, csig, sig->param_count + 16);
9542 for (i = mono_method_signature (invoke)->param_count; i >= 0; i--)
9544 mono_metadata_free_marshal_spec (mspecs [i]);
9547 /* code_for (res); */
9553 mono_marshal_get_vtfixup_ftnptr (MonoImage *image, guint32 token, guint16 type)
9556 MonoMethodSignature *sig;
9557 MonoMethodBuilder *mb;
9562 method = mono_get_method (image, token, NULL);
9565 if (type & (VTFIXUP_TYPE_FROM_UNMANAGED | VTFIXUP_TYPE_FROM_UNMANAGED_RETAIN_APPDOMAIN)) {
9566 MonoMethodSignature *csig;
9567 MonoMarshalSpec **mspecs;
9568 EmitMarshalContext m;
9570 sig = mono_method_signature (method);
9571 g_assert (!sig->hasthis);
9573 mspecs = g_new0 (MonoMarshalSpec*, sig->param_count + 1);
9574 mono_method_get_marshal_info (method, mspecs);
9576 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_NATIVE_TO_MANAGED);
9577 csig = signature_dup (image, sig);
9588 mono_marshal_set_callconv_from_modopt (method, csig);
9590 /* FIXME: Implement VTFIXUP_TYPE_FROM_UNMANAGED_RETAIN_APPDOMAIN. */
9592 mono_marshal_emit_managed_wrapper (mb, sig, mspecs, &m, method, 0);
9597 method = mono_mb_create_method (mb, csig, sig->param_count + 16);
9600 for (i = sig->param_count; i >= 0; i--)
9602 mono_metadata_free_marshal_spec (mspecs [i]);
9605 return mono_compile_method (method);
9608 sig = mono_method_signature (method);
9609 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_MANAGED_TO_MANAGED);
9612 param_count = sig->param_count + sig->hasthis;
9613 for (i = 0; i < param_count; i++)
9614 mono_mb_emit_ldarg (mb, i);
9616 if (type & VTFIXUP_TYPE_CALL_MOST_DERIVED)
9617 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
9619 mono_mb_emit_op (mb, CEE_CALL, method);
9620 mono_mb_emit_byte (mb, CEE_RET);
9625 method = mono_mb_create_method (mb, sig, param_count);
9628 return mono_compile_method (method);
9631 static MonoReflectionType *
9632 type_from_handle (MonoType *handle)
9634 MonoDomain *domain = mono_domain_get ();
9635 MonoClass *klass = mono_class_from_mono_type (handle);
9637 MONO_ARCH_SAVE_REGS;
9639 mono_class_init (klass);
9640 return mono_type_get_object (domain, handle);
9644 * This does the equivalent of mono_object_castclass_with_cache.
9645 * The wrapper info for the wrapper is a WrapperInfo structure.
9648 mono_marshal_get_castclass_with_cache (void)
9650 static MonoMethod *cached;
9652 MonoMethodBuilder *mb;
9653 MonoMethodSignature *sig;
9654 int return_null_pos, cache_miss_pos, invalid_cast_pos;
9660 mb = mono_mb_new (mono_defaults.object_class, "__castclass_with_cache", MONO_WRAPPER_CASTCLASS);
9661 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
9662 sig->params [0] = &mono_defaults.object_class->byval_arg;
9663 sig->params [1] = &mono_defaults.int_class->byval_arg;
9664 sig->params [2] = &mono_defaults.int_class->byval_arg;
9665 sig->ret = &mono_defaults.object_class->byval_arg;
9669 /* allocate local 0 (pointer) obj_vtable */
9670 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9673 mono_mb_emit_ldarg (mb, 0);
9674 return_null_pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
9676 /*obj_vtable = obj->vtable;*/
9677 mono_mb_emit_ldarg (mb, 0);
9678 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
9679 mono_mb_emit_byte (mb, CEE_LDIND_I);
9680 mono_mb_emit_stloc (mb, 0);
9683 mono_mb_emit_ldarg (mb, 2);
9684 mono_mb_emit_byte (mb, CEE_LDIND_I);
9685 mono_mb_emit_ldloc (mb, 0);
9687 /*if (*cache == obj_vtable)*/
9688 cache_miss_pos = mono_mb_emit_branch (mb, CEE_BNE_UN);
9691 mono_mb_emit_ldarg (mb, 0);
9692 mono_mb_emit_byte (mb, CEE_RET);
9694 mono_mb_patch_branch (mb, cache_miss_pos);
9695 /*if (mono_object_isinst (obj, klass)) */
9696 mono_mb_emit_ldarg (mb, 0);
9697 mono_mb_emit_ldarg (mb, 1);
9698 mono_mb_emit_icall (mb, mono_object_isinst);
9699 invalid_cast_pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
9701 /**cache = obj_vtable;*/
9702 mono_mb_emit_ldarg (mb, 2);
9703 mono_mb_emit_ldloc (mb, 0);
9704 mono_mb_emit_byte (mb, CEE_STIND_I);
9707 mono_mb_emit_ldarg (mb, 0);
9708 mono_mb_emit_byte (mb, CEE_RET);
9711 mono_mb_patch_branch (mb, invalid_cast_pos);
9712 mono_mb_emit_exception (mb, "InvalidCastException", NULL);
9715 mono_mb_patch_branch (mb, return_null_pos);
9716 mono_mb_emit_byte (mb, CEE_LDNULL);
9717 mono_mb_emit_byte (mb, CEE_RET);
9718 #endif /* DISABLE_JIT */
9720 res = mono_mb_create_method (mb, sig, 8);
9721 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_CASTCLASS_WITH_CACHE);
9722 mono_marshal_set_wrapper_info (res, info);
9725 if (InterlockedCompareExchangePointer ((volatile gpointer *)&cached, res, NULL)) {
9726 mono_free_method (res);
9727 mono_metadata_free_method_signature (sig);
9735 * This does the equivalent of mono_object_isinst_with_cache.
9736 * The wrapper info for the wrapper is a WrapperInfo structure.
9739 mono_marshal_get_isinst_with_cache (void)
9741 static MonoMethod *cached;
9743 MonoMethodBuilder *mb;
9744 MonoMethodSignature *sig;
9745 int return_null_pos, cache_miss_pos, cache_hit_pos, not_an_instance_pos, negative_cache_hit_pos;
9751 mb = mono_mb_new (mono_defaults.object_class, "__isinst_with_cache", MONO_WRAPPER_CASTCLASS);
9752 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
9753 sig->params [0] = &mono_defaults.object_class->byval_arg;
9754 sig->params [1] = &mono_defaults.int_class->byval_arg;
9755 sig->params [2] = &mono_defaults.int_class->byval_arg;
9756 sig->ret = &mono_defaults.object_class->byval_arg;
9760 /* allocate local 0 (pointer) obj_vtable */
9761 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9762 /* allocate local 1 (pointer) cached_vtable */
9763 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9766 mono_mb_emit_ldarg (mb, 0);
9767 return_null_pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
9769 /*obj_vtable = obj->vtable;*/
9770 mono_mb_emit_ldarg (mb, 0);
9771 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
9772 mono_mb_emit_byte (mb, CEE_LDIND_I);
9773 mono_mb_emit_stloc (mb, 0);
9775 /* cached_vtable = *cache*/
9776 mono_mb_emit_ldarg (mb, 2);
9777 mono_mb_emit_byte (mb, CEE_LDIND_I);
9778 mono_mb_emit_stloc (mb, 1);
9780 mono_mb_emit_ldloc (mb, 1);
9781 mono_mb_emit_byte (mb, CEE_LDC_I4);
9782 mono_mb_emit_i4 (mb, ~0x1);
9783 mono_mb_emit_byte (mb, CEE_CONV_U);
9784 mono_mb_emit_byte (mb, CEE_AND);
9785 mono_mb_emit_ldloc (mb, 0);
9786 /*if ((cached_vtable & ~0x1)== obj_vtable)*/
9787 cache_miss_pos = mono_mb_emit_branch (mb, CEE_BNE_UN);
9789 /*return (cached_vtable & 0x1) ? NULL : obj;*/
9790 mono_mb_emit_ldloc (mb, 1);
9791 mono_mb_emit_byte(mb, CEE_LDC_I4_1);
9792 mono_mb_emit_byte (mb, CEE_CONV_U);
9793 mono_mb_emit_byte (mb, CEE_AND);
9794 negative_cache_hit_pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
9797 mono_mb_emit_ldarg (mb, 0);
9798 cache_hit_pos = mono_mb_emit_branch (mb, CEE_BR);
9801 mono_mb_patch_branch (mb, negative_cache_hit_pos);
9802 mono_mb_emit_byte (mb, CEE_LDNULL);
9804 mono_mb_patch_branch (mb, cache_hit_pos);
9805 mono_mb_emit_byte (mb, CEE_RET);
9807 mono_mb_patch_branch (mb, cache_miss_pos);
9808 /*if (mono_object_isinst (obj, klass)) */
9809 mono_mb_emit_ldarg (mb, 0);
9810 mono_mb_emit_ldarg (mb, 1);
9811 mono_mb_emit_icall (mb, mono_object_isinst);
9812 not_an_instance_pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
9814 /**cache = obj_vtable;*/
9815 mono_mb_emit_ldarg (mb, 2);
9816 mono_mb_emit_ldloc (mb, 0);
9817 mono_mb_emit_byte (mb, CEE_STIND_I);
9820 mono_mb_emit_ldarg (mb, 0);
9821 mono_mb_emit_byte (mb, CEE_RET);
9824 mono_mb_patch_branch (mb, not_an_instance_pos);
9825 /* *cache = (gpointer)(obj_vtable | 0x1);*/
9826 mono_mb_emit_ldarg (mb, 2);
9827 /*obj_vtable | 0x1*/
9828 mono_mb_emit_ldloc (mb, 0);
9829 mono_mb_emit_byte(mb, CEE_LDC_I4_1);
9830 mono_mb_emit_byte (mb, CEE_CONV_U);
9831 mono_mb_emit_byte (mb, CEE_OR);
9834 mono_mb_emit_byte (mb, CEE_STIND_I);
9837 mono_mb_patch_branch (mb, return_null_pos);
9838 mono_mb_emit_byte (mb, CEE_LDNULL);
9839 mono_mb_emit_byte (mb, CEE_RET);
9842 res = mono_mb_create_method (mb, sig, 8);
9843 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_ISINST_WITH_CACHE);
9844 mono_marshal_set_wrapper_info (res, info);
9847 if (InterlockedCompareExchangePointer ((volatile gpointer *)&cached, res, NULL)) {
9848 mono_free_method (res);
9849 mono_metadata_free_method_signature (sig);
9857 * mono_marshal_get_isinst:
9858 * @klass: the type of the field
9860 * This method generates a function which can be used to check if an object is
9861 * an instance of the given type, icluding the case where the object is a proxy.
9862 * The generated function has the following signature:
9863 * MonoObject* __isinst_wrapper_ (MonoObject *obj)
9866 mono_marshal_get_isinst (MonoClass *klass)
9868 static MonoMethodSignature *isint_sig = NULL;
9871 int pos_was_ok, pos_end;
9872 #ifndef DISABLE_REMOTING
9873 int pos_end2, pos_failed;
9876 MonoMethodBuilder *mb;
9878 cache = get_cache (&klass->image->isinst_cache, mono_aligned_addr_hash, NULL);
9879 if ((res = mono_marshal_find_in_cache (cache, klass)))
9883 isint_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
9884 isint_sig->params [0] = &mono_defaults.object_class->byval_arg;
9885 isint_sig->ret = &mono_defaults.object_class->byval_arg;
9886 isint_sig->pinvoke = 0;
9889 name = g_strdup_printf ("__isinst_wrapper_%s", klass->name);
9890 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_ISINST);
9893 mb->method->save_lmf = 1;
9896 /* check if the object is a proxy that needs special cast */
9897 mono_mb_emit_ldarg (mb, 0);
9898 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
9899 mono_mb_emit_op (mb, CEE_MONO_CISINST, klass);
9901 /* The result of MONO_CISINST can be:
9902 0) the type check succeeded
9903 1) the type check did not succeed
9904 2) a CanCastTo call is needed */
9905 #ifndef DISABLE_REMOTING
9906 mono_mb_emit_byte (mb, CEE_DUP);
9907 pos_was_ok = mono_mb_emit_branch (mb, CEE_BRFALSE);
9909 mono_mb_emit_byte (mb, CEE_LDC_I4_2);
9910 pos_failed = mono_mb_emit_branch (mb, CEE_BNE_UN);
9912 /* get the real proxy from the transparent proxy*/
9914 mono_mb_emit_ldarg (mb, 0);
9915 mono_mb_emit_managed_call (mb, mono_marshal_get_proxy_cancast (klass), NULL);
9916 pos_end = mono_mb_emit_branch (mb, CEE_BR);
9920 mono_mb_patch_branch (mb, pos_failed);
9921 mono_mb_emit_byte (mb, CEE_LDNULL);
9922 pos_end2 = mono_mb_emit_branch (mb, CEE_BR);
9926 mono_mb_patch_branch (mb, pos_was_ok);
9927 mono_mb_emit_byte (mb, CEE_POP);
9928 mono_mb_emit_ldarg (mb, 0);
9932 mono_mb_patch_branch (mb, pos_end);
9933 mono_mb_patch_branch (mb, pos_end2);
9934 mono_mb_emit_byte (mb, CEE_RET);
9936 pos_was_ok = mono_mb_emit_branch (mb, CEE_BRFALSE);
9940 mono_mb_emit_byte (mb, CEE_LDNULL);
9941 pos_end = mono_mb_emit_branch (mb, CEE_BR);
9945 mono_mb_patch_branch (mb, pos_was_ok);
9946 mono_mb_emit_ldarg (mb, 0);
9950 mono_mb_patch_branch (mb, pos_end);
9951 mono_mb_emit_byte (mb, CEE_RET);
9952 #endif /* DISABLE_REMOTING */
9953 #endif /* DISABLE_JIT */
9955 res = mono_mb_create_and_cache (cache, klass, mb, isint_sig, isint_sig->param_count + 16);
9962 * mono_marshal_get_castclass:
9963 * @klass: the type of the field
9965 * This method generates a function which can be used to cast an object to
9966 * an instance of the given type, icluding the case where the object is a proxy.
9967 * The generated function has the following signature:
9968 * MonoObject* __castclass_wrapper_ (MonoObject *obj)
9969 * The wrapper info for the wrapper is a WrapperInfo structure.
9972 mono_marshal_get_castclass (MonoClass *klass)
9974 static MonoMethodSignature *castclass_sig = NULL;
9977 #ifndef DISABLE_REMOTING
9978 int pos_was_ok, pos_was_ok2;
9981 MonoMethodBuilder *mb;
9984 cache = get_cache (&klass->image->castclass_cache, mono_aligned_addr_hash, NULL);
9985 if ((res = mono_marshal_find_in_cache (cache, klass)))
9988 if (!castclass_sig) {
9989 castclass_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
9990 castclass_sig->params [0] = &mono_defaults.object_class->byval_arg;
9991 castclass_sig->ret = &mono_defaults.object_class->byval_arg;
9992 castclass_sig->pinvoke = 0;
9995 name = g_strdup_printf ("__castclass_wrapper_%s", klass->name);
9996 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_CASTCLASS);
9999 mb->method->save_lmf = 1;
10001 #ifndef DISABLE_JIT
10002 /* check if the object is a proxy that needs special cast */
10003 mono_mb_emit_ldarg (mb, 0);
10004 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
10005 mono_mb_emit_op (mb, CEE_MONO_CCASTCLASS, klass);
10007 /* The result of MONO_CCASTCLASS can be:
10008 0) the cast is valid
10009 1) cast of unknown proxy type
10010 or an exception if the cast is is invalid
10012 #ifndef DISABLE_REMOTING
10013 pos_was_ok = mono_mb_emit_branch (mb, CEE_BRFALSE);
10015 /* get the real proxy from the transparent proxy*/
10017 mono_mb_emit_ldarg (mb, 0);
10018 mono_mb_emit_managed_call (mb, mono_marshal_get_proxy_cancast (klass), NULL);
10019 pos_was_ok2 = mono_mb_emit_branch (mb, CEE_BRTRUE);
10022 mono_mb_emit_exception (mb, "InvalidCastException", NULL);
10025 mono_mb_patch_branch (mb, pos_was_ok);
10026 mono_mb_patch_branch (mb, pos_was_ok2);
10028 /* MONO_CCASTCLASS leaves an int in the stack with the result, pop it. */
10029 mono_mb_emit_byte (mb, CEE_POP);
10030 #endif /* DISABLE_REMOTING */
10032 mono_mb_emit_ldarg (mb, 0);
10035 mono_mb_emit_byte (mb, CEE_RET);
10036 #endif /* DISABLE_JIT */
10038 res = mono_mb_create_and_cache (cache, klass, mb, castclass_sig, castclass_sig->param_count + 16);
10041 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_NONE);
10042 mono_marshal_set_wrapper_info (res, info);
10047 #ifndef DISABLE_REMOTING
10049 mono_marshal_get_proxy_cancast (MonoClass *klass)
10051 static MonoMethodSignature *isint_sig = NULL;
10054 int pos_failed, pos_end;
10055 char *name, *klass_name;
10056 MonoMethod *can_cast_to;
10057 MonoMethodDesc *desc;
10058 MonoMethodBuilder *mb;
10060 cache = get_cache (&klass->image->proxy_isinst_cache, mono_aligned_addr_hash, NULL);
10061 if ((res = mono_marshal_find_in_cache (cache, klass)))
10065 isint_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
10066 isint_sig->params [0] = &mono_defaults.object_class->byval_arg;
10067 isint_sig->ret = &mono_defaults.object_class->byval_arg;
10068 isint_sig->pinvoke = 0;
10071 klass_name = mono_type_full_name (&klass->byval_arg);
10072 name = g_strdup_printf ("__proxy_isinst_wrapper_%s", klass_name);
10073 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_PROXY_ISINST);
10074 g_free (klass_name);
10077 mb->method->save_lmf = 1;
10079 #ifndef DISABLE_JIT
10080 /* get the real proxy from the transparent proxy*/
10081 mono_mb_emit_ldarg (mb, 0);
10082 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
10083 mono_mb_emit_byte (mb, CEE_LDIND_REF);
10085 /* get the reflection type from the type handle */
10086 mono_mb_emit_ptr (mb, &klass->byval_arg);
10087 mono_mb_emit_icall (mb, type_from_handle);
10089 mono_mb_emit_ldarg (mb, 0);
10091 /* make the call to CanCastTo (type, ob) */
10092 desc = mono_method_desc_new ("IRemotingTypeInfo:CanCastTo", FALSE);
10093 can_cast_to = mono_method_desc_search_in_class (desc, mono_defaults.iremotingtypeinfo_class);
10094 g_assert (can_cast_to);
10095 mono_method_desc_free (desc);
10096 mono_mb_emit_op (mb, CEE_CALLVIRT, can_cast_to);
10098 pos_failed = mono_mb_emit_branch (mb, CEE_BRFALSE);
10100 /* Upgrade the proxy vtable by calling: mono_upgrade_remote_class_wrapper (type, ob)*/
10101 mono_mb_emit_ptr (mb, &klass->byval_arg);
10102 mono_mb_emit_icall (mb, type_from_handle);
10103 mono_mb_emit_ldarg (mb, 0);
10105 mono_mb_emit_icall (mb, mono_upgrade_remote_class_wrapper);
10106 emit_thread_interrupt_checkpoint (mb);
10108 mono_mb_emit_ldarg (mb, 0);
10109 pos_end = mono_mb_emit_branch (mb, CEE_BR);
10113 mono_mb_patch_branch (mb, pos_failed);
10114 mono_mb_emit_byte (mb, CEE_LDNULL);
10118 mono_mb_patch_branch (mb, pos_end);
10119 mono_mb_emit_byte (mb, CEE_RET);
10122 res = mono_mb_create_and_cache (cache, klass, mb, isint_sig, isint_sig->param_count + 16);
10129 mono_upgrade_remote_class_wrapper (MonoReflectionType *rtype, MonoTransparentProxy *tproxy)
10132 MonoDomain *domain = ((MonoObject*)tproxy)->vtable->domain;
10133 klass = mono_class_from_mono_type (rtype->type);
10134 mono_upgrade_remote_class (domain, (MonoObject*)tproxy, klass);
10136 #endif /*DISABLE_REMOTING */
10139 * mono_marshal_get_struct_to_ptr:
10142 * generates IL code for StructureToPtr (object structure, IntPtr ptr, bool fDeleteOld)
10143 * The wrapper info for the wrapper is a WrapperInfo structure.
10146 mono_marshal_get_struct_to_ptr (MonoClass *klass)
10148 MonoMethodBuilder *mb;
10149 static MonoMethod *stoptr = NULL;
10153 g_assert (klass != NULL);
10155 mono_marshal_load_type_info (klass);
10157 if (klass->marshal_info->str_to_ptr)
10158 return klass->marshal_info->str_to_ptr;
10161 stoptr = mono_class_get_method_from_name (mono_defaults.marshal_class, "StructureToPtr", 3);
10164 mb = mono_mb_new (klass, stoptr->name, MONO_WRAPPER_UNKNOWN);
10166 #ifndef DISABLE_JIT
10167 if (klass->blittable) {
10168 mono_mb_emit_byte (mb, CEE_LDARG_1);
10169 mono_mb_emit_byte (mb, CEE_LDARG_0);
10170 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
10171 mono_mb_emit_icon (mb, mono_class_value_size (klass, NULL));
10172 mono_mb_emit_byte (mb, CEE_PREFIX1);
10173 mono_mb_emit_byte (mb, CEE_CPBLK);
10176 /* allocate local 0 (pointer) src_ptr */
10177 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10178 /* allocate local 1 (pointer) dst_ptr */
10179 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10180 /* allocate local 2 (boolean) delete_old */
10181 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
10182 mono_mb_emit_byte (mb, CEE_LDARG_2);
10183 mono_mb_emit_stloc (mb, 2);
10185 /* initialize src_ptr to point to the start of object data */
10186 mono_mb_emit_byte (mb, CEE_LDARG_0);
10187 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
10188 mono_mb_emit_stloc (mb, 0);
10190 /* initialize dst_ptr */
10191 mono_mb_emit_byte (mb, CEE_LDARG_1);
10192 mono_mb_emit_stloc (mb, 1);
10194 emit_struct_conv (mb, klass, FALSE);
10197 mono_mb_emit_byte (mb, CEE_RET);
10200 res = mono_mb_create_method (mb, mono_signature_no_pinvoke (stoptr), 0);
10203 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_STRUCTURE_TO_PTR);
10204 mono_marshal_set_wrapper_info (res, info);
10206 klass->marshal_info->str_to_ptr = res;
10211 * mono_marshal_get_ptr_to_struct:
10214 * generates IL code for PtrToStructure (IntPtr src, object structure)
10215 * The wrapper info for the wrapper is a WrapperInfo structure.
10218 mono_marshal_get_ptr_to_struct (MonoClass *klass)
10220 MonoMethodBuilder *mb;
10221 static MonoMethodSignature *ptostr = NULL;
10225 g_assert (klass != NULL);
10227 mono_marshal_load_type_info (klass);
10229 if (klass->marshal_info->ptr_to_str)
10230 return klass->marshal_info->ptr_to_str;
10233 MonoMethodSignature *sig;
10235 /* Create the signature corresponding to
10236 static void PtrToStructure (IntPtr ptr, object structure);
10237 defined in class/corlib/System.Runtime.InteropServices/Marshal.cs */
10238 sig = mono_create_icall_signature ("void ptr object");
10239 sig = signature_dup (mono_defaults.corlib, sig);
10241 mono_memory_barrier ();
10245 mb = mono_mb_new (klass, "PtrToStructure", MONO_WRAPPER_UNKNOWN);
10247 #ifndef DISABLE_JIT
10248 if (klass->blittable) {
10249 mono_mb_emit_byte (mb, CEE_LDARG_1);
10250 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
10251 mono_mb_emit_byte (mb, CEE_LDARG_0);
10252 mono_mb_emit_icon (mb, mono_class_value_size (klass, NULL));
10253 mono_mb_emit_byte (mb, CEE_PREFIX1);
10254 mono_mb_emit_byte (mb, CEE_CPBLK);
10257 /* allocate local 0 (pointer) src_ptr */
10258 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10259 /* allocate local 1 (pointer) dst_ptr */
10260 mono_mb_add_local (mb, &klass->this_arg);
10262 /* initialize src_ptr to point to the start of object data */
10263 mono_mb_emit_byte (mb, CEE_LDARG_0);
10264 mono_mb_emit_stloc (mb, 0);
10266 /* initialize dst_ptr */
10267 mono_mb_emit_byte (mb, CEE_LDARG_1);
10268 mono_mb_emit_op (mb, CEE_UNBOX, klass);
10269 mono_mb_emit_stloc (mb, 1);
10271 emit_struct_conv (mb, klass, TRUE);
10274 mono_mb_emit_byte (mb, CEE_RET);
10277 res = mono_mb_create_method (mb, ptostr, 0);
10280 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_PTR_TO_STRUCTURE);
10281 mono_marshal_set_wrapper_info (res, info);
10283 klass->marshal_info->ptr_to_str = res;
10288 * Return a dummy wrapper for METHOD which is called by synchronized wrappers.
10289 * This is used to avoid infinite recursion since it is hard to determine where to
10290 * replace a method with its synchronized wrapper, and where not.
10291 * The runtime should execute METHOD instead of the wrapper.
10292 * The wrapper info for the wrapper is a WrapperInfo structure.
10295 mono_marshal_get_synchronized_inner_wrapper (MonoMethod *method)
10297 MonoMethodBuilder *mb;
10299 MonoMethodSignature *sig;
10301 MonoGenericContext *ctx = NULL;
10302 MonoMethod *orig_method = NULL;
10303 MonoGenericContainer *container = NULL;
10305 if (method->is_inflated && !mono_method_get_context (method)->method_inst) {
10306 orig_method = method;
10307 ctx = &((MonoMethodInflated*)method)->context;
10308 method = ((MonoMethodInflated*)method)->declaring;
10309 container = mono_method_get_generic_container (method);
10311 container = method->klass->generic_container;
10312 g_assert (container);
10315 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_UNKNOWN);
10316 #ifndef DISABLE_JIT
10317 mono_mb_emit_exception_full (mb, "System", "ExecutionEngineException", "Shouldn't be called.");
10318 mono_mb_emit_byte (mb, CEE_RET);
10320 sig = signature_dup (method->klass->image, mono_method_signature (method));
10321 res = mono_mb_create_method (mb, sig, 0);
10323 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_SYNCHRONIZED_INNER);
10324 info->d.synchronized_inner.method = method;
10325 mono_marshal_set_wrapper_info (res, info);
10327 res = mono_class_inflate_generic_method (res, ctx);
10332 * generates IL code for the synchronized wrapper: the generated method
10333 * calls METHOD while locking 'this' or the parent type.
10336 mono_marshal_get_synchronized_wrapper (MonoMethod *method)
10338 static MonoMethod *enter_method, *exit_method, *gettypefromhandle_method;
10339 MonoMethodSignature *sig;
10340 MonoExceptionClause *clause;
10341 MonoMethodBuilder *mb;
10344 int i, pos, this_local, ret_local = 0;
10345 MonoGenericContext *ctx = NULL;
10346 MonoMethod *orig_method = NULL;
10347 MonoGenericContainer *container = NULL;
10351 if (method->wrapper_type == MONO_WRAPPER_SYNCHRONIZED)
10354 /* FIXME: Support generic methods too */
10355 if (method->is_inflated && !mono_method_get_context (method)->method_inst) {
10356 orig_method = method;
10357 ctx = &((MonoMethodInflated*)method)->context;
10358 method = ((MonoMethodInflated*)method)->declaring;
10359 container = mono_method_get_generic_container (method);
10361 container = method->klass->generic_container;
10362 g_assert (container);
10369 cache = get_cache (&method->klass->image->synchronized_generic_cache, mono_aligned_addr_hash, NULL);
10370 res = check_generic_wrapper_cache (cache, orig_method, orig_method, method);
10374 cache = get_cache (&method->klass->image->synchronized_cache, mono_aligned_addr_hash, NULL);
10375 if ((res = mono_marshal_find_in_cache (cache, method)))
10379 sig = signature_dup (method->klass->image, mono_method_signature (method));
10382 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_SYNCHRONIZED);
10384 #ifndef DISABLE_JIT
10386 if (!MONO_TYPE_IS_VOID (sig->ret))
10387 ret_local = mono_mb_add_local (mb, sig->ret);
10390 if (method->klass->valuetype && !(method->flags & MONO_METHOD_ATTR_STATIC)) {
10391 mono_class_set_failure (method->klass, MONO_EXCEPTION_TYPE_LOAD, NULL);
10392 #ifndef DISABLE_JIT
10393 /* This will throw the type load exception when the wrapper is compiled */
10394 mono_mb_emit_byte (mb, CEE_LDNULL);
10395 mono_mb_emit_op (mb, CEE_ISINST, method->klass);
10396 mono_mb_emit_byte (mb, CEE_POP);
10398 if (!MONO_TYPE_IS_VOID (sig->ret))
10399 mono_mb_emit_ldloc (mb, ret_local);
10400 mono_mb_emit_byte (mb, CEE_RET);
10403 res = mono_mb_create_and_cache (cache, method,
10404 mb, sig, sig->param_count + 16);
10410 #ifndef DISABLE_JIT
10412 this_local = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
10414 clause = mono_image_alloc0 (method->klass->image, sizeof (MonoExceptionClause));
10415 clause->flags = MONO_EXCEPTION_CLAUSE_FINALLY;
10418 mono_loader_lock ();
10420 if (!enter_method) {
10421 MonoMethodDesc *desc;
10423 desc = mono_method_desc_new ("Monitor:Enter", FALSE);
10424 enter_method = mono_method_desc_search_in_class (desc, mono_defaults.monitor_class);
10425 g_assert (enter_method);
10426 mono_method_desc_free (desc);
10428 desc = mono_method_desc_new ("Monitor:Exit", FALSE);
10429 exit_method = mono_method_desc_search_in_class (desc, mono_defaults.monitor_class);
10430 g_assert (exit_method);
10431 mono_method_desc_free (desc);
10433 desc = mono_method_desc_new ("Type:GetTypeFromHandle", FALSE);
10434 gettypefromhandle_method = mono_method_desc_search_in_class (desc, mono_defaults.monotype_class->parent);
10435 g_assert (gettypefromhandle_method);
10436 mono_method_desc_free (desc);
10439 mono_loader_unlock ();
10441 #ifndef DISABLE_JIT
10442 /* Push this or the type object */
10443 if (method->flags & METHOD_ATTRIBUTE_STATIC) {
10444 /* We have special handling for this in the JIT */
10445 int index = mono_mb_add_data (mb, method->klass);
10446 mono_mb_add_data (mb, mono_defaults.typehandle_class);
10447 mono_mb_emit_byte (mb, CEE_LDTOKEN);
10448 mono_mb_emit_i4 (mb, index);
10450 mono_mb_emit_managed_call (mb, gettypefromhandle_method, NULL);
10453 mono_mb_emit_ldarg (mb, 0);
10454 mono_mb_emit_stloc (mb, this_local);
10456 /* Call Monitor::Enter() */
10457 mono_mb_emit_ldloc (mb, this_local);
10458 mono_mb_emit_managed_call (mb, enter_method, NULL);
10460 clause->try_offset = mono_mb_get_label (mb);
10462 /* Call the method */
10464 mono_mb_emit_ldarg (mb, 0);
10465 for (i = 0; i < sig->param_count; i++)
10466 mono_mb_emit_ldarg (mb, i + (sig->hasthis == TRUE));
10469 mono_mb_emit_managed_call (mb, mono_class_inflate_generic_method (method, &container->context), NULL);
10471 mono_mb_emit_managed_call (mb, method, NULL);
10473 if (!MONO_TYPE_IS_VOID (sig->ret))
10474 mono_mb_emit_stloc (mb, ret_local);
10476 pos = mono_mb_emit_branch (mb, CEE_LEAVE);
10478 clause->try_len = mono_mb_get_pos (mb) - clause->try_offset;
10479 clause->handler_offset = mono_mb_get_label (mb);
10481 /* Call Monitor::Exit() */
10482 mono_mb_emit_ldloc (mb, this_local);
10483 mono_mb_emit_managed_call (mb, exit_method, NULL);
10484 mono_mb_emit_byte (mb, CEE_ENDFINALLY);
10486 clause->handler_len = mono_mb_get_pos (mb) - clause->handler_offset;
10488 mono_mb_patch_branch (mb, pos);
10489 if (!MONO_TYPE_IS_VOID (sig->ret))
10490 mono_mb_emit_ldloc (mb, ret_local);
10491 mono_mb_emit_byte (mb, CEE_RET);
10493 mono_mb_set_clauses (mb, 1, clause);
10498 def = mono_mb_create_and_cache (cache, method, mb, sig, sig->param_count + 16);
10499 res = cache_generic_wrapper (cache, orig_method, def, ctx, orig_method);
10501 res = mono_mb_create_and_cache (cache, method,
10502 mb, sig, sig->param_count + 16);
10511 * the returned method calls 'method' unboxing the this argument
10514 mono_marshal_get_unbox_wrapper (MonoMethod *method)
10516 MonoMethodSignature *sig = mono_method_signature (method);
10518 MonoMethodBuilder *mb;
10522 cache = get_cache (&method->klass->image->unbox_wrapper_cache, mono_aligned_addr_hash, NULL);
10523 if ((res = mono_marshal_find_in_cache (cache, method)))
10526 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_UNBOX);
10528 g_assert (sig->hasthis);
10530 #ifndef DISABLE_JIT
10531 mono_mb_emit_ldarg (mb, 0);
10532 mono_mb_emit_icon (mb, sizeof (MonoObject));
10533 mono_mb_emit_byte (mb, CEE_ADD);
10534 for (i = 0; i < sig->param_count; ++i)
10535 mono_mb_emit_ldarg (mb, i + 1);
10536 mono_mb_emit_managed_call (mb, method, NULL);
10537 mono_mb_emit_byte (mb, CEE_RET);
10540 res = mono_mb_create_and_cache (cache, method,
10541 mb, sig, sig->param_count + 16);
10544 /* code_for (res); */
10550 STELEMREF_OBJECT, /*no check at all*/
10551 STELEMREF_SEALED_CLASS, /*check vtable->klass->element_type */
10552 STELEMREF_CLASS, /*only the klass->parents check*/
10553 STELEMREF_INTERFACE, /*interfaces without variant generic arguments. */
10554 STELEMREF_COMPLEX, /*arrays, MBR or types with variant generic args - go straight to icalls*/
10555 STELEMREF_KIND_COUNT
10558 static const char *strelemref_wrapper_name[] = {
10559 "object", "sealed_class", "class", "interface", "complex"
10563 is_monomorphic_array (MonoClass *klass)
10565 MonoClass *element_class;
10566 if (klass->rank != 1)
10569 element_class = klass->element_class;
10570 return (element_class->flags & TYPE_ATTRIBUTE_SEALED) || element_class->valuetype;
10574 get_virtual_stelemref_kind (MonoClass *element_class)
10576 if (element_class == mono_defaults.object_class)
10577 return STELEMREF_OBJECT;
10578 if (is_monomorphic_array (element_class))
10579 return STELEMREF_SEALED_CLASS;
10580 /* Compressed interface bitmaps require code that is quite complex, so don't optimize for it. */
10581 if (MONO_CLASS_IS_INTERFACE (element_class) && !mono_class_has_variant_generic_params (element_class))
10582 #ifdef COMPRESSED_INTERFACE_BITMAP
10583 return STELEMREF_COMPLEX;
10585 return STELEMREF_INTERFACE;
10587 /*Arrays are sealed but are covariant on their element type, We can't use any of the fast paths.*/
10588 if (mono_class_is_marshalbyref (element_class) || element_class->rank || mono_class_has_variant_generic_params (element_class))
10589 return STELEMREF_COMPLEX;
10590 if (element_class->flags & TYPE_ATTRIBUTE_SEALED)
10591 return STELEMREF_SEALED_CLASS;
10592 return STELEMREF_CLASS;
10595 #ifndef DISABLE_JIT
10598 load_array_element_address (MonoMethodBuilder *mb)
10600 mono_mb_emit_ldarg (mb, 0);
10601 mono_mb_emit_ldarg (mb, 1);
10602 mono_mb_emit_op (mb, CEE_LDELEMA, mono_defaults.object_class);
10606 load_array_class (MonoMethodBuilder *mb, int aklass)
10608 mono_mb_emit_ldarg (mb, 0);
10609 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
10610 mono_mb_emit_byte (mb, CEE_LDIND_I);
10611 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, klass));
10612 mono_mb_emit_byte (mb, CEE_LDIND_I);
10613 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, element_class));
10614 mono_mb_emit_byte (mb, CEE_LDIND_I);
10615 mono_mb_emit_stloc (mb, aklass);
10619 load_value_class (MonoMethodBuilder *mb, int vklass)
10621 mono_mb_emit_ldarg (mb, 2);
10622 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
10623 mono_mb_emit_byte (mb, CEE_LDIND_I);
10624 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, klass));
10625 mono_mb_emit_byte (mb, CEE_LDIND_I);
10626 mono_mb_emit_stloc (mb, vklass);
10632 record_slot_vstore (MonoObject *array, size_t index, MonoObject *value)
10634 char *name = mono_type_get_full_name (array->vtable->klass->element_class);
10635 printf ("slow vstore of %s\n", name);
10641 * The wrapper info for the wrapper is a WrapperInfo structure.
10644 * - Separate simple interfaces from variant interfaces or mbr types. This way we can avoid the icall for them.
10645 * - Emit a (new) mono bytecode that produces OP_COND_EXC_NE_UN to raise ArrayTypeMismatch
10646 * - Maybe mve some MonoClass field into the vtable to reduce the number of loads
10647 * - Add a case for arrays of arrays.
10650 get_virtual_stelemref_wrapper (int kind)
10652 static MonoMethod *cached_methods [STELEMREF_KIND_COUNT] = { NULL }; /*object iface sealed regular*/
10653 static MonoMethodSignature *signature;
10654 MonoMethodBuilder *mb;
10657 const char *param_names [16];
10658 guint32 b1, b2, b3;
10659 int aklass, vklass, vtable, uiid;
10660 int array_slot_addr;
10663 if (cached_methods [kind])
10664 return cached_methods [kind];
10666 name = g_strdup_printf ("virt_stelemref_%s", strelemref_wrapper_name [kind]);
10667 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_STELEMREF);
10671 MonoMethodSignature *sig = mono_metadata_signature_alloc (mono_defaults.corlib, 2);
10673 /* void this::stelemref (size_t idx, void* value) */
10674 sig->ret = &mono_defaults.void_class->byval_arg;
10675 sig->hasthis = TRUE;
10676 sig->params [0] = &mono_defaults.int_class->byval_arg; /* this is a natural sized int */
10677 sig->params [1] = &mono_defaults.object_class->byval_arg;
10681 #ifndef DISABLE_JIT
10682 param_names [0] = "index";
10683 param_names [1] = "value";
10684 mono_mb_set_param_names (mb, param_names);
10686 /*For now simply call plain old stelemref*/
10688 case STELEMREF_OBJECT:
10689 /* ldelema (implicit bound check) */
10690 load_array_element_address (mb);
10692 mono_mb_emit_ldarg (mb, 2);
10693 mono_mb_emit_byte (mb, CEE_STIND_REF);
10694 mono_mb_emit_byte (mb, CEE_RET);
10697 case STELEMREF_COMPLEX:
10699 <ldelema (bound check)>
10702 if (!mono_object_isinst (value, aklass))
10706 *array_slot_addr = value;
10709 throw new ArrayTypeMismatchException ();
10712 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10713 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
10717 /*Use this to debug/record stores that are going thru the slow path*/
10718 MonoMethodSignature *csig;
10719 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
10720 csig->ret = &mono_defaults.void_class->byval_arg;
10721 csig->params [0] = &mono_defaults.object_class->byval_arg;
10722 csig->params [1] = &mono_defaults.int_class->byval_arg; /* this is a natural sized int */
10723 csig->params [2] = &mono_defaults.object_class->byval_arg;
10724 mono_mb_emit_ldarg (mb, 0);
10725 mono_mb_emit_ldarg (mb, 1);
10726 mono_mb_emit_ldarg (mb, 2);
10727 mono_mb_emit_native_call (mb, csig, record_slot_vstore);
10731 /* ldelema (implicit bound check) */
10732 load_array_element_address (mb);
10733 mono_mb_emit_stloc (mb, array_slot_addr);
10735 /* if (!value) goto do_store */
10736 mono_mb_emit_ldarg (mb, 2);
10737 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
10739 /* aklass = array->vtable->klass->element_class */
10740 load_array_class (mb, aklass);
10742 /*if (mono_object_isinst (value, aklass)) */
10743 mono_mb_emit_ldarg (mb, 2);
10744 mono_mb_emit_ldloc (mb, aklass);
10745 mono_mb_emit_icall (mb, mono_object_isinst);
10746 b2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
10749 mono_mb_patch_branch (mb, b1);
10750 mono_mb_emit_ldloc (mb, array_slot_addr);
10751 mono_mb_emit_ldarg (mb, 2);
10752 mono_mb_emit_byte (mb, CEE_STIND_REF);
10753 mono_mb_emit_byte (mb, CEE_RET);
10755 /* do_exception: */
10756 mono_mb_patch_branch (mb, b2);
10758 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
10761 case STELEMREF_SEALED_CLASS:
10763 <ldelema (bound check)>
10767 aklass = array->vtable->klass->element_class;
10768 vklass = value->vtable->klass;
10770 if (vklass != aklass)
10774 *array_slot_addr = value;
10777 throw new ArrayTypeMismatchException ();
10779 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10780 vklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10781 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
10784 /* ldelema (implicit bound check) */
10785 load_array_element_address (mb);
10786 mono_mb_emit_stloc (mb, array_slot_addr);
10788 /* if (!value) goto do_store */
10789 mono_mb_emit_ldarg (mb, 2);
10790 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
10792 /* aklass = array->vtable->klass->element_class */
10793 load_array_class (mb, aklass);
10795 /* vklass = value->vtable->klass */
10796 load_value_class (mb, vklass);
10798 /*if (vklass != aklass) goto do_exception; */
10799 mono_mb_emit_ldloc (mb, aklass);
10800 mono_mb_emit_ldloc (mb, vklass);
10801 b2 = mono_mb_emit_branch (mb, CEE_BNE_UN);
10804 mono_mb_patch_branch (mb, b1);
10805 mono_mb_emit_ldloc (mb, array_slot_addr);
10806 mono_mb_emit_ldarg (mb, 2);
10807 mono_mb_emit_byte (mb, CEE_STIND_REF);
10808 mono_mb_emit_byte (mb, CEE_RET);
10810 /* do_exception: */
10811 mono_mb_patch_branch (mb, b2);
10812 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
10815 case STELEMREF_CLASS:
10818 <ldelema (bound check)>
10822 aklass = array->vtable->klass->element_class;
10823 vklass = value->vtable->klass;
10825 if (vklass->idepth < aklass->idepth)
10828 if (vklass->supertypes [aklass->idepth - 1] != aklass)
10832 *array_slot_addr = value;
10836 throw new ArrayTypeMismatchException ();
10838 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10839 vklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10840 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
10842 /* ldelema (implicit bound check) */
10843 load_array_element_address (mb);
10844 mono_mb_emit_stloc (mb, array_slot_addr);
10846 /* if (!value) goto do_store */
10847 mono_mb_emit_ldarg (mb, 2);
10848 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
10850 /* aklass = array->vtable->klass->element_class */
10851 load_array_class (mb, aklass);
10853 /* vklass = value->vtable->klass */
10854 load_value_class (mb, vklass);
10856 /*if (mono_object_isinst (value, aklass)) */
10857 mono_mb_emit_ldarg (mb, 2);
10858 mono_mb_emit_ldloc (mb, aklass);
10859 mono_mb_emit_icall (mb, mono_object_isinst);
10860 b2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
10862 /* if (vklass->idepth < aklass->idepth) goto failue */
10863 mono_mb_emit_ldloc (mb, vklass);
10864 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
10865 mono_mb_emit_byte (mb, CEE_LDIND_U2);
10867 mono_mb_emit_ldloc (mb, aklass);
10868 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
10869 mono_mb_emit_byte (mb, CEE_LDIND_U2);
10871 b2 = mono_mb_emit_branch (mb, CEE_BLT_UN);
10873 /* if (vklass->supertypes [aklass->idepth - 1] != aklass) goto failure */
10874 mono_mb_emit_ldloc (mb, vklass);
10875 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, supertypes));
10876 mono_mb_emit_byte (mb, CEE_LDIND_I);
10878 mono_mb_emit_ldloc (mb, aklass);
10879 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
10880 mono_mb_emit_byte (mb, CEE_LDIND_U2);
10881 mono_mb_emit_icon (mb, 1);
10882 mono_mb_emit_byte (mb, CEE_SUB);
10883 mono_mb_emit_icon (mb, sizeof (void*));
10884 mono_mb_emit_byte (mb, CEE_MUL);
10885 mono_mb_emit_byte (mb, CEE_ADD);
10886 mono_mb_emit_byte (mb, CEE_LDIND_I);
10888 mono_mb_emit_ldloc (mb, aklass);
10889 b3 = mono_mb_emit_branch (mb, CEE_BNE_UN);
10892 mono_mb_patch_branch (mb, b1);
10893 mono_mb_emit_ldloc (mb, array_slot_addr);
10894 mono_mb_emit_ldarg (mb, 2);
10895 mono_mb_emit_byte (mb, CEE_STIND_REF);
10896 mono_mb_emit_byte (mb, CEE_RET);
10898 /* do_exception: */
10899 mono_mb_patch_branch (mb, b2);
10900 mono_mb_patch_branch (mb, b3);
10902 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
10905 case STELEMREF_INTERFACE:
10912 klass = array->obj.vtable->klass->element_class;
10913 vt = value->vtable;
10914 uiid = klass->interface_id;
10915 if (uiid > vt->max_interface_id)
10917 if (!(vt->interface_bitmap [(uiid) >> 3] & (1 << ((uiid)&7))))
10920 mono_array_setref (array, index, value);
10923 mono_raise_exception (mono_get_exception_array_type_mismatch ());*/
10925 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
10926 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10927 vtable = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10928 uiid = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
10930 /* ldelema (implicit bound check) */
10931 load_array_element_address (mb);
10932 mono_mb_emit_stloc (mb, array_slot_addr);
10934 /* if (!value) goto do_store */
10935 mono_mb_emit_ldarg (mb, 2);
10936 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
10938 /* klass = array->vtable->klass->element_class */
10939 load_array_class (mb, aklass);
10941 /* vt = value->vtable */
10942 mono_mb_emit_ldarg (mb, 2);
10943 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
10944 mono_mb_emit_byte (mb, CEE_LDIND_I);
10945 mono_mb_emit_stloc (mb, vtable);
10947 /* uiid = klass->interface_id; */
10948 mono_mb_emit_ldloc (mb, aklass);
10949 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, interface_id));
10950 mono_mb_emit_byte (mb, CEE_LDIND_U2);
10951 mono_mb_emit_stloc (mb, uiid);
10953 /*if (uiid > vt->max_interface_id)*/
10954 mono_mb_emit_ldloc (mb, uiid);
10955 mono_mb_emit_ldloc (mb, vtable);
10956 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, max_interface_id));
10957 mono_mb_emit_byte (mb, CEE_LDIND_U2);
10958 b2 = mono_mb_emit_branch (mb, CEE_BGT_UN);
10960 /* if (!(vt->interface_bitmap [(uiid) >> 3] & (1 << ((uiid)&7)))) */
10962 /*vt->interface_bitmap*/
10963 mono_mb_emit_ldloc (mb, vtable);
10964 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, interface_bitmap));
10965 mono_mb_emit_byte (mb, CEE_LDIND_I);
10968 mono_mb_emit_ldloc (mb, uiid);
10969 mono_mb_emit_icon (mb, 3);
10970 mono_mb_emit_byte (mb, CEE_SHR_UN);
10972 /*vt->interface_bitmap [(uiid) >> 3]*/
10973 mono_mb_emit_byte (mb, CEE_ADD); /*interface_bitmap is a guint8 array*/
10974 mono_mb_emit_byte (mb, CEE_LDIND_U1);
10976 /*(1 << ((uiid)&7)))*/
10977 mono_mb_emit_icon (mb, 1);
10978 mono_mb_emit_ldloc (mb, uiid);
10979 mono_mb_emit_icon (mb, 7);
10980 mono_mb_emit_byte (mb, CEE_AND);
10981 mono_mb_emit_byte (mb, CEE_SHL);
10983 /*bitwise and the whole thing*/
10984 mono_mb_emit_byte (mb, CEE_AND);
10985 b3 = mono_mb_emit_branch (mb, CEE_BRFALSE);
10988 mono_mb_patch_branch (mb, b1);
10989 mono_mb_emit_ldloc (mb, array_slot_addr);
10990 mono_mb_emit_ldarg (mb, 2);
10991 mono_mb_emit_byte (mb, CEE_STIND_REF);
10992 mono_mb_emit_byte (mb, CEE_RET);
10994 /* do_exception: */
10995 mono_mb_patch_branch (mb, b2);
10996 mono_mb_patch_branch (mb, b3);
10997 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
11001 mono_mb_emit_ldarg (mb, 0);
11002 mono_mb_emit_ldarg (mb, 1);
11003 mono_mb_emit_ldarg (mb, 2);
11004 mono_mb_emit_managed_call (mb, mono_marshal_get_stelemref (), NULL);
11005 mono_mb_emit_byte (mb, CEE_RET);
11008 #endif /* DISABLE_JIT */
11010 res = mono_mb_create_method (mb, signature, 4);
11011 res->flags |= METHOD_ATTRIBUTE_VIRTUAL;
11013 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_VIRTUAL_STELEMREF);
11014 info->d.virtual_stelemref.kind = kind;
11015 mono_marshal_set_wrapper_info (res, info);
11017 mono_marshal_lock ();
11018 if (!cached_methods [kind]) {
11019 cached_methods [kind] = res;
11020 mono_marshal_unlock ();
11022 mono_marshal_unlock ();
11023 mono_free_method (res);
11027 return cached_methods [kind];
11031 mono_marshal_get_virtual_stelemref (MonoClass *array_class)
11035 g_assert (array_class->rank == 1);
11036 kind = get_virtual_stelemref_kind (array_class->element_class);
11038 return get_virtual_stelemref_wrapper (kind);
11042 mono_marshal_get_virtual_stelemref_wrappers (int *nwrappers)
11047 *nwrappers = STELEMREF_KIND_COUNT;
11048 res = g_malloc0 (STELEMREF_KIND_COUNT * sizeof (MonoMethod*));
11049 for (i = 0; i < STELEMREF_KIND_COUNT; ++i)
11050 res [i] = get_virtual_stelemref_wrapper (i);
11055 * The wrapper info for the wrapper is a WrapperInfo structure.
11058 mono_marshal_get_stelemref ()
11060 static MonoMethod* ret = NULL;
11061 MonoMethodSignature *sig;
11062 MonoMethodBuilder *mb;
11065 guint32 b1, b2, b3, b4;
11067 int aklass, vklass;
11068 int array_slot_addr;
11073 mb = mono_mb_new (mono_defaults.object_class, "stelemref", MONO_WRAPPER_STELEMREF);
11076 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
11078 /* void stelemref (void* array, int idx, void* value) */
11079 sig->ret = &mono_defaults.void_class->byval_arg;
11080 sig->params [0] = &mono_defaults.object_class->byval_arg;
11081 sig->params [1] = &mono_defaults.int_class->byval_arg; /* this is a natural sized int */
11082 sig->params [2] = &mono_defaults.object_class->byval_arg;
11084 #ifndef DISABLE_JIT
11085 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
11086 vklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
11087 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
11091 <ldelema (bound check)>
11095 aklass = array->vtable->klass->element_class;
11096 vklass = value->vtable->klass;
11098 if (vklass->idepth < aklass->idepth)
11101 if (vklass->supertypes [aklass->idepth - 1] != aklass)
11105 *array_slot_addr = value;
11109 if (mono_object_isinst (value, aklass))
11112 throw new ArrayTypeMismatchException ();
11115 /* ldelema (implicit bound check) */
11116 mono_mb_emit_ldarg (mb, 0);
11117 mono_mb_emit_ldarg (mb, 1);
11118 mono_mb_emit_op (mb, CEE_LDELEMA, mono_defaults.object_class);
11119 mono_mb_emit_stloc (mb, array_slot_addr);
11121 /* if (!value) goto do_store */
11122 mono_mb_emit_ldarg (mb, 2);
11123 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
11125 /* aklass = array->vtable->klass->element_class */
11126 mono_mb_emit_ldarg (mb, 0);
11127 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
11128 mono_mb_emit_byte (mb, CEE_LDIND_I);
11129 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, klass));
11130 mono_mb_emit_byte (mb, CEE_LDIND_I);
11131 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, element_class));
11132 mono_mb_emit_byte (mb, CEE_LDIND_I);
11133 mono_mb_emit_stloc (mb, aklass);
11135 /* vklass = value->vtable->klass */
11136 mono_mb_emit_ldarg (mb, 2);
11137 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
11138 mono_mb_emit_byte (mb, CEE_LDIND_I);
11139 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, klass));
11140 mono_mb_emit_byte (mb, CEE_LDIND_I);
11141 mono_mb_emit_stloc (mb, vklass);
11143 /* if (vklass->idepth < aklass->idepth) goto failue */
11144 mono_mb_emit_ldloc (mb, vklass);
11145 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
11146 mono_mb_emit_byte (mb, CEE_LDIND_U2);
11148 mono_mb_emit_ldloc (mb, aklass);
11149 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
11150 mono_mb_emit_byte (mb, CEE_LDIND_U2);
11152 b2 = mono_mb_emit_branch (mb, CEE_BLT_UN);
11154 /* if (vklass->supertypes [aklass->idepth - 1] != aklass) goto failure */
11155 mono_mb_emit_ldloc (mb, vklass);
11156 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, supertypes));
11157 mono_mb_emit_byte (mb, CEE_LDIND_I);
11159 mono_mb_emit_ldloc (mb, aklass);
11160 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
11161 mono_mb_emit_byte (mb, CEE_LDIND_U2);
11162 mono_mb_emit_icon (mb, 1);
11163 mono_mb_emit_byte (mb, CEE_SUB);
11164 mono_mb_emit_icon (mb, sizeof (void*));
11165 mono_mb_emit_byte (mb, CEE_MUL);
11166 mono_mb_emit_byte (mb, CEE_ADD);
11167 mono_mb_emit_byte (mb, CEE_LDIND_I);
11169 mono_mb_emit_ldloc (mb, aklass);
11171 b3 = mono_mb_emit_branch (mb, CEE_BNE_UN);
11173 copy_pos = mono_mb_get_label (mb);
11175 mono_mb_patch_branch (mb, b1);
11176 mono_mb_emit_ldloc (mb, array_slot_addr);
11177 mono_mb_emit_ldarg (mb, 2);
11178 mono_mb_emit_byte (mb, CEE_STIND_REF);
11180 mono_mb_emit_byte (mb, CEE_RET);
11183 mono_mb_patch_branch (mb, b2);
11184 mono_mb_patch_branch (mb, b3);
11186 mono_mb_emit_ldarg (mb, 2);
11187 mono_mb_emit_ldloc (mb, aklass);
11188 mono_mb_emit_icall (mb, mono_object_isinst);
11190 b4 = mono_mb_emit_branch (mb, CEE_BRTRUE);
11191 mono_mb_patch_addr (mb, b4, copy_pos - (b4 + 4));
11192 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
11194 mono_mb_emit_byte (mb, CEE_RET);
11197 ret = mono_mb_create_method (mb, sig, 4);
11200 info = mono_wrapper_info_create (ret, WRAPPER_SUBTYPE_NONE);
11201 mono_marshal_set_wrapper_info (ret, info);
11207 * mono_marshal_get_gsharedvt_in_wrapper:
11209 * This wrapper handles calls from normal code to gsharedvt code.
11211 * The wrapper info for the wrapper is a WrapperInfo structure.
11214 mono_marshal_get_gsharedvt_in_wrapper (void)
11216 static MonoMethod* ret = NULL;
11217 MonoMethodSignature *sig;
11218 MonoMethodBuilder *mb;
11224 mb = mono_mb_new (mono_defaults.object_class, "gsharedvt_in", MONO_WRAPPER_UNKNOWN);
11226 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
11227 sig->ret = &mono_defaults.void_class->byval_arg;
11229 #ifndef DISABLE_JIT
11231 * The body is generated by the JIT, we use a wrapper instead of a trampoline so EH works.
11233 mono_mb_emit_byte (mb, CEE_RET);
11236 ret = mono_mb_create_method (mb, sig, 4);
11239 info = mono_wrapper_info_create (ret, WRAPPER_SUBTYPE_GSHAREDVT_IN);
11240 mono_marshal_set_wrapper_info (ret, info);
11246 * mono_marshal_get_gsharedvt_out_wrapper:
11248 * This wrapper handles calls from gsharedvt code to normal code.
11250 * The wrapper info for the wrapper is a WrapperInfo structure.
11253 mono_marshal_get_gsharedvt_out_wrapper (void)
11255 static MonoMethod* ret = NULL;
11256 MonoMethodSignature *sig;
11257 MonoMethodBuilder *mb;
11263 mb = mono_mb_new (mono_defaults.object_class, "gsharedvt_out", MONO_WRAPPER_UNKNOWN);
11265 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
11266 sig->ret = &mono_defaults.void_class->byval_arg;
11268 #ifndef DISABLE_JIT
11270 * The body is generated by the JIT, we use a wrapper instead of a trampoline so EH works.
11272 mono_mb_emit_byte (mb, CEE_RET);
11275 ret = mono_mb_create_method (mb, sig, 4);
11278 info = mono_wrapper_info_create (ret, WRAPPER_SUBTYPE_GSHAREDVT_OUT);
11279 mono_marshal_set_wrapper_info (ret, info);
11287 MonoMethod *method;
11290 /* LOCKING: vars accessed under the marshal lock */
11291 static ArrayElemAddr *elem_addr_cache = NULL;
11292 static int elem_addr_cache_size = 0;
11293 static int elem_addr_cache_next = 0;
11296 * mono_marshal_get_array_address:
11297 * @rank: rank of the array type
11298 * @elem_size: size in bytes of an element of an array.
11300 * Returns a MonoMethd that implements the code to get the address
11301 * of an element in a multi-dimenasional array of @rank dimensions.
11302 * The returned method takes an array as the first argument and then
11303 * @rank indexes for the @rank dimensions.
11306 mono_marshal_get_array_address (int rank, int elem_size)
11309 MonoMethodBuilder *mb;
11310 MonoMethodSignature *sig;
11311 int i, bounds, ind, realidx;
11312 int branch_pos, *branch_positions;
11316 mono_marshal_lock ();
11317 for (i = 0; i < elem_addr_cache_next; ++i) {
11318 if (elem_addr_cache [i].rank == rank && elem_addr_cache [i].elem_size == elem_size) {
11319 ret = elem_addr_cache [i].method;
11323 mono_marshal_unlock ();
11327 branch_positions = g_new0 (int, rank);
11329 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1 + rank);
11331 /* void* address (void* array, int idx0, int idx1, int idx2, ...) */
11332 sig->ret = &mono_defaults.int_class->byval_arg;
11333 sig->params [0] = &mono_defaults.object_class->byval_arg;
11334 for (i = 0; i < rank; ++i) {
11335 sig->params [i + 1] = &mono_defaults.int32_class->byval_arg;
11338 mb = mono_mb_new (mono_defaults.object_class, "ElementAddr", MONO_WRAPPER_MANAGED_TO_MANAGED);
11340 #ifndef DISABLE_JIT
11341 bounds = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
11342 ind = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
11343 realidx = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
11345 /* bounds = array->bounds; */
11346 mono_mb_emit_ldarg (mb, 0);
11347 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoArray, bounds));
11348 mono_mb_emit_byte (mb, CEE_LDIND_I);
11349 mono_mb_emit_stloc (mb, bounds);
11351 /* ind is the overall element index, realidx is the partial index in a single dimension */
11352 /* ind = idx0 - bounds [0].lower_bound */
11353 mono_mb_emit_ldarg (mb, 1);
11354 mono_mb_emit_ldloc (mb, bounds);
11355 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArrayBounds, lower_bound));
11356 mono_mb_emit_byte (mb, CEE_ADD);
11357 mono_mb_emit_byte (mb, CEE_LDIND_I4);
11358 mono_mb_emit_byte (mb, CEE_SUB);
11359 mono_mb_emit_stloc (mb, ind);
11360 /* if (ind >= bounds [0].length) goto exeception; */
11361 mono_mb_emit_ldloc (mb, ind);
11362 mono_mb_emit_ldloc (mb, bounds);
11363 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArrayBounds, length));
11364 mono_mb_emit_byte (mb, CEE_ADD);
11365 mono_mb_emit_byte (mb, CEE_LDIND_I4);
11366 /* note that we use unsigned comparison */
11367 branch_pos = mono_mb_emit_branch (mb, CEE_BGE_UN);
11369 /* For large ranks (> 4?) use a loop n IL later to reduce code size.
11370 * We could also decide to ignore the passed elem_size and get it
11371 * from the array object, to reduce the number of methods we generate:
11372 * the additional cost is 3 memory loads and a non-immediate mul.
11374 for (i = 1; i < rank; ++i) {
11375 /* realidx = idxi - bounds [i].lower_bound */
11376 mono_mb_emit_ldarg (mb, 1 + i);
11377 mono_mb_emit_ldloc (mb, bounds);
11378 mono_mb_emit_icon (mb, (i * sizeof (MonoArrayBounds)) + G_STRUCT_OFFSET (MonoArrayBounds, lower_bound));
11379 mono_mb_emit_byte (mb, CEE_ADD);
11380 mono_mb_emit_byte (mb, CEE_LDIND_I4);
11381 mono_mb_emit_byte (mb, CEE_SUB);
11382 mono_mb_emit_stloc (mb, realidx);
11383 /* if (realidx >= bounds [i].length) goto exeception; */
11384 mono_mb_emit_ldloc (mb, realidx);
11385 mono_mb_emit_ldloc (mb, bounds);
11386 mono_mb_emit_icon (mb, (i * sizeof (MonoArrayBounds)) + G_STRUCT_OFFSET (MonoArrayBounds, length));
11387 mono_mb_emit_byte (mb, CEE_ADD);
11388 mono_mb_emit_byte (mb, CEE_LDIND_I4);
11389 branch_positions [i] = mono_mb_emit_branch (mb, CEE_BGE_UN);
11390 /* ind = ind * bounds [i].length + realidx */
11391 mono_mb_emit_ldloc (mb, ind);
11392 mono_mb_emit_ldloc (mb, bounds);
11393 mono_mb_emit_icon (mb, (i * sizeof (MonoArrayBounds)) + G_STRUCT_OFFSET (MonoArrayBounds, length));
11394 mono_mb_emit_byte (mb, CEE_ADD);
11395 mono_mb_emit_byte (mb, CEE_LDIND_I4);
11396 mono_mb_emit_byte (mb, CEE_MUL);
11397 mono_mb_emit_ldloc (mb, realidx);
11398 mono_mb_emit_byte (mb, CEE_ADD);
11399 mono_mb_emit_stloc (mb, ind);
11402 /* return array->vector + ind * element_size */
11403 mono_mb_emit_ldarg (mb, 0);
11404 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoArray, vector));
11405 mono_mb_emit_ldloc (mb, ind);
11406 mono_mb_emit_icon (mb, elem_size);
11407 mono_mb_emit_byte (mb, CEE_MUL);
11408 mono_mb_emit_byte (mb, CEE_ADD);
11409 mono_mb_emit_byte (mb, CEE_RET);
11411 /* patch the branches to get here and throw */
11412 for (i = 1; i < rank; ++i) {
11413 mono_mb_patch_branch (mb, branch_positions [i]);
11415 mono_mb_patch_branch (mb, branch_pos);
11416 /* throw exception */
11417 mono_mb_emit_exception (mb, "IndexOutOfRangeException", NULL);
11419 g_free (branch_positions);
11420 #endif /* DISABLE_JIT */
11422 ret = mono_mb_create_method (mb, sig, 4);
11425 /* cache the result */
11427 mono_marshal_lock ();
11428 for (i = 0; i < elem_addr_cache_next; ++i) {
11429 if (elem_addr_cache [i].rank == rank && elem_addr_cache [i].elem_size == elem_size) {
11430 /* FIXME: free ret */
11431 ret = elem_addr_cache [i].method;
11439 if (elem_addr_cache_next >= elem_addr_cache_size) {
11440 int new_size = elem_addr_cache_size + 4;
11441 ArrayElemAddr *new_array = g_new0 (ArrayElemAddr, new_size);
11442 memcpy (new_array, elem_addr_cache, elem_addr_cache_size * sizeof (ArrayElemAddr));
11443 g_free (elem_addr_cache);
11444 elem_addr_cache = new_array;
11445 elem_addr_cache_size = new_size;
11447 elem_addr_cache [elem_addr_cache_next].rank = rank;
11448 elem_addr_cache [elem_addr_cache_next].elem_size = elem_size;
11449 elem_addr_cache [elem_addr_cache_next].method = ret;
11450 elem_addr_cache_next ++;
11452 info = mono_wrapper_info_create (ret, WRAPPER_SUBTYPE_ELEMENT_ADDR);
11453 info->d.element_addr.rank = rank;
11454 info->d.element_addr.elem_size = elem_size;
11455 mono_marshal_set_wrapper_info (ret, info);
11457 mono_marshal_unlock ();
11462 * mono_marshal_get_array_accessor_wrapper:
11464 * Return a wrapper which just calls METHOD, which should be an Array Get/Set/Address method.
11467 mono_marshal_get_array_accessor_wrapper (MonoMethod *method)
11469 MonoMethodSignature *sig;
11470 MonoMethodBuilder *mb;
11474 MonoGenericContext *ctx = NULL;
11475 MonoMethod *orig_method = NULL;
11476 MonoGenericContainer *container = NULL;
11480 * These wrappers are needed to avoid the JIT replacing the calls to these methods with intrinsics
11481 * inside runtime invoke wrappers, thereby making the wrappers not unshareable.
11482 * FIXME: Use generic methods.
11489 g_assert_not_reached ();
11491 cache = get_cache (&method->klass->image->array_accessor_cache, mono_aligned_addr_hash, NULL);
11492 if ((res = mono_marshal_find_in_cache (cache, method)))
11496 sig = signature_dup (method->klass->image, mono_method_signature (method));
11499 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_UNKNOWN);
11501 #ifndef DISABLE_JIT
11502 /* Call the method */
11504 mono_mb_emit_ldarg (mb, 0);
11505 for (i = 0; i < sig->param_count; i++)
11506 mono_mb_emit_ldarg (mb, i + (sig->hasthis == TRUE));
11509 mono_mb_emit_managed_call (mb, mono_class_inflate_generic_method (method, &container->context), NULL);
11511 mono_mb_emit_managed_call (mb, method, NULL);
11512 mono_mb_emit_byte (mb, CEE_RET);
11517 def = mono_mb_create_and_cache (cache, method, mb, sig, sig->param_count + 16);
11518 res = cache_generic_wrapper (cache, orig_method, def, ctx, orig_method);
11520 res = mono_mb_create_and_cache (cache, method,
11521 mb, sig, sig->param_count + 16);
11522 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_ARRAY_ACCESSOR);
11523 info->d.array_accessor.method = method;
11524 mono_marshal_set_wrapper_info (res, info);
11532 mono_marshal_alloc (gulong size)
11537 res = CoTaskMemAlloc (size);
11539 res = g_try_malloc ((gulong)size);
11541 mono_gc_out_of_memory ((gulong)size);
11547 mono_marshal_free (gpointer ptr)
11550 CoTaskMemFree (ptr);
11557 mono_marshal_free_array (gpointer *ptr, int size)
11564 for (i = 0; i < size; i++)
11570 mono_marshal_string_to_utf16 (MonoString *s)
11572 return s ? mono_string_chars (s) : NULL;
11576 mono_marshal_string_to_utf16_copy (MonoString *s)
11581 gunichar2 *res = mono_marshal_alloc ((mono_string_length (s) * 2) + 2);
11582 memcpy (res, mono_string_chars (s), mono_string_length (s) * 2);
11583 res [mono_string_length (s)] = 0;
11589 * mono_marshal_set_last_error:
11591 * This function is invoked to set the last error value from a P/Invoke call
11592 * which has SetLastError set.
11595 mono_marshal_set_last_error (void)
11598 mono_native_tls_set_value (last_error_tls_id, GINT_TO_POINTER (GetLastError ()));
11600 mono_native_tls_set_value (last_error_tls_id, GINT_TO_POINTER (errno));
11605 mono_marshal_set_last_error_windows (int error)
11608 mono_native_tls_set_value (last_error_tls_id, GINT_TO_POINTER (error));
11613 ves_icall_System_Runtime_InteropServices_Marshal_copy_to_unmanaged (MonoArray *src, gint32 start_index,
11614 gpointer dest, gint32 length)
11619 MONO_ARCH_SAVE_REGS;
11621 MONO_CHECK_ARG_NULL (src);
11622 MONO_CHECK_ARG_NULL (dest);
11624 if (src->obj.vtable->klass->rank != 1)
11625 mono_raise_exception (mono_get_exception_argument ("array", "array is multi-dimensional"));
11626 if (start_index < 0)
11627 mono_raise_exception (mono_get_exception_argument ("startIndex", "Must be >= 0"));
11629 mono_raise_exception (mono_get_exception_argument ("length", "Must be >= 0"));
11630 if (start_index + length > mono_array_length (src))
11631 mono_raise_exception (mono_get_exception_argument ("length", "start_index + length > array length"));
11633 element_size = mono_array_element_size (src->obj.vtable->klass);
11635 /* no references should be involved */
11636 source_addr = mono_array_addr_with_size (src, element_size, start_index);
11638 memcpy (dest, source_addr, length * element_size);
11642 ves_icall_System_Runtime_InteropServices_Marshal_copy_from_unmanaged (gpointer src, gint32 start_index,
11643 MonoArray *dest, gint32 length)
11648 MONO_ARCH_SAVE_REGS;
11650 MONO_CHECK_ARG_NULL (src);
11651 MONO_CHECK_ARG_NULL (dest);
11653 if (dest->obj.vtable->klass->rank != 1)
11654 mono_raise_exception (mono_get_exception_argument ("array", "array is multi-dimensional"));
11655 if (start_index < 0)
11656 mono_raise_exception (mono_get_exception_argument ("startIndex", "Must be >= 0"));
11658 mono_raise_exception (mono_get_exception_argument ("length", "Must be >= 0"));
11659 if (start_index + length > mono_array_length (dest))
11660 mono_raise_exception (mono_get_exception_argument ("length", "start_index + length > array length"));
11662 element_size = mono_array_element_size (dest->obj.vtable->klass);
11664 /* no references should be involved */
11665 dest_addr = mono_array_addr_with_size (dest, element_size, start_index);
11667 memcpy (dest_addr, src, length * element_size);
11671 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringAnsi (char *ptr)
11673 MONO_ARCH_SAVE_REGS;
11678 return mono_string_new (mono_domain_get (), ptr);
11682 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringAnsi_len (char *ptr, gint32 len)
11684 MONO_ARCH_SAVE_REGS;
11687 mono_raise_exception (mono_get_exception_argument_null ("ptr"));
11688 g_assert_not_reached ();
11691 return mono_string_new_len (mono_domain_get (), ptr, len);
11696 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringUni (guint16 *ptr)
11698 MonoDomain *domain = mono_domain_get ();
11702 MONO_ARCH_SAVE_REGS;
11710 return mono_string_new_utf16 (domain, ptr, len);
11714 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringUni_len (guint16 *ptr, gint32 len)
11716 MonoDomain *domain = mono_domain_get ();
11718 MONO_ARCH_SAVE_REGS;
11721 mono_raise_exception (mono_get_exception_argument_null ("ptr"));
11722 g_assert_not_reached ();
11725 return mono_string_new_utf16 (domain, ptr, len);
11730 ves_icall_System_Runtime_InteropServices_Marshal_GetLastWin32Error (void)
11732 MONO_ARCH_SAVE_REGS;
11734 return (GPOINTER_TO_INT (mono_native_tls_get_value (last_error_tls_id)));
11738 ves_icall_System_Runtime_InteropServices_Marshal_SizeOf (MonoReflectionType *rtype)
11744 MONO_ARCH_SAVE_REGS;
11746 MONO_CHECK_ARG_NULL (rtype);
11748 type = rtype->type;
11749 klass = mono_class_from_mono_type (type);
11750 if (!mono_class_init (klass))
11751 mono_raise_exception (mono_class_get_exception_for_failure (klass));
11753 layout = (klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK);
11755 if (layout == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
11757 MonoException *exc;
11759 msg = g_strdup_printf ("Type %s cannot be marshaled as an unmanaged structure.", klass->name);
11760 exc = mono_get_exception_argument ("t", msg);
11762 mono_raise_exception (exc);
11766 return mono_class_native_size (klass, NULL);
11770 ves_icall_System_Runtime_InteropServices_Marshal_StructureToPtr (MonoObject *obj, gpointer dst, MonoBoolean delete_old)
11772 MonoMethod *method;
11775 MONO_ARCH_SAVE_REGS;
11777 MONO_CHECK_ARG_NULL (obj);
11778 MONO_CHECK_ARG_NULL (dst);
11780 method = mono_marshal_get_struct_to_ptr (obj->vtable->klass);
11784 pa [2] = &delete_old;
11786 mono_runtime_invoke (method, NULL, pa, NULL);
11790 ptr_to_structure (gpointer src, MonoObject *dst)
11792 MonoMethod *method;
11795 method = mono_marshal_get_ptr_to_struct (dst->vtable->klass);
11800 mono_runtime_invoke (method, NULL, pa, NULL);
11804 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure (gpointer src, MonoObject *dst)
11808 MONO_ARCH_SAVE_REGS;
11810 MONO_CHECK_ARG_NULL (src);
11811 MONO_CHECK_ARG_NULL (dst);
11813 t = mono_type_get_underlying_type (mono_class_get_type (dst->vtable->klass));
11815 if (t->type == MONO_TYPE_VALUETYPE) {
11816 MonoException *exc;
11819 tmp = g_strdup_printf ("Destination is a boxed value type.");
11820 exc = mono_get_exception_argument ("dst", tmp);
11823 mono_raise_exception (exc);
11827 ptr_to_structure (src, dst);
11831 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure_type (gpointer src, MonoReflectionType *type)
11834 MonoDomain *domain = mono_domain_get ();
11837 MONO_ARCH_SAVE_REGS;
11841 MONO_CHECK_ARG_NULL (type);
11843 klass = mono_class_from_mono_type (type->type);
11844 if (!mono_class_init (klass))
11845 mono_raise_exception (mono_class_get_exception_for_failure (klass));
11847 res = mono_object_new (domain, klass);
11849 ptr_to_structure (src, res);
11855 ves_icall_System_Runtime_InteropServices_Marshal_OffsetOf (MonoReflectionType *type, MonoString *field_name)
11857 MonoMarshalType *info;
11860 int match_index = -1;
11862 MONO_ARCH_SAVE_REGS;
11864 MONO_CHECK_ARG_NULL (type);
11865 MONO_CHECK_ARG_NULL (field_name);
11867 fname = mono_string_to_utf8 (field_name);
11868 klass = mono_class_from_mono_type (type->type);
11869 if (!mono_class_init (klass))
11870 mono_raise_exception (mono_class_get_exception_for_failure (klass));
11872 while (klass && match_index == -1) {
11873 MonoClassField* field;
11875 gpointer iter = NULL;
11876 while ((field = mono_class_get_fields (klass, &iter))) {
11877 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
11879 if (!strcmp (fname, mono_field_get_name (field))) {
11886 if (match_index == -1)
11887 klass = klass->parent;
11892 if(match_index == -1) {
11893 MonoException* exc;
11896 /* Get back original class instance */
11897 klass = mono_class_from_mono_type (type->type);
11899 tmp = g_strdup_printf ("Field passed in is not a marshaled member of the type %s", klass->name);
11900 exc = mono_get_exception_argument ("fieldName", tmp);
11903 mono_raise_exception ((MonoException*)exc);
11906 info = mono_marshal_load_type_info (klass);
11907 return info->fields [match_index].offset;
11911 ves_icall_System_Runtime_InteropServices_Marshal_StringToHGlobalAnsi (MonoString *string)
11916 tres = mono_string_to_utf8 (string);
11920 len = strlen (tres) + 1;
11921 ret = ves_icall_System_Runtime_InteropServices_Marshal_AllocHGlobal (len);
11922 memcpy (ret, tres, len);
11927 return mono_string_to_utf8 (string);
11932 ves_icall_System_Runtime_InteropServices_Marshal_StringToHGlobalUni (MonoString *string)
11934 MONO_ARCH_SAVE_REGS;
11936 if (string == NULL)
11939 #ifdef TARGET_WIN32
11940 gunichar2 *res = ves_icall_System_Runtime_InteropServices_Marshal_AllocHGlobal
11941 ((mono_string_length (string) + 1) * 2);
11943 gunichar2 *res = g_malloc ((mono_string_length (string) + 1) * 2);
11945 memcpy (res, mono_string_chars (string), mono_string_length (string) * 2);
11946 res [mono_string_length (string)] = 0;
11952 mono_struct_delete_old (MonoClass *klass, char *ptr)
11954 MonoMarshalType *info;
11957 info = mono_marshal_load_type_info (klass);
11959 for (i = 0; i < info->num_fields; i++) {
11960 MonoMarshalNative ntype;
11961 MonoMarshalConv conv;
11962 MonoType *ftype = info->fields [i].field->type;
11965 if (ftype->attrs & FIELD_ATTRIBUTE_STATIC)
11968 ntype = mono_type_to_unmanaged (ftype, info->fields [i].mspec, TRUE,
11969 klass->unicode, &conv);
11971 cpos = ptr + info->fields [i].offset;
11974 case MONO_MARSHAL_CONV_NONE:
11975 if (MONO_TYPE_ISSTRUCT (ftype)) {
11976 mono_struct_delete_old (ftype->data.klass, cpos);
11980 case MONO_MARSHAL_CONV_STR_LPWSTR:
11981 /* We assume this field points inside a MonoString */
11983 case MONO_MARSHAL_CONV_STR_LPTSTR:
11984 #ifdef TARGET_WIN32
11985 /* We assume this field points inside a MonoString
11989 case MONO_MARSHAL_CONV_STR_LPSTR:
11990 case MONO_MARSHAL_CONV_STR_BSTR:
11991 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
11992 case MONO_MARSHAL_CONV_STR_TBSTR:
11993 mono_marshal_free (*(gpointer *)cpos);
12003 ves_icall_System_Runtime_InteropServices_Marshal_DestroyStructure (gpointer src, MonoReflectionType *type)
12007 MONO_ARCH_SAVE_REGS;
12009 MONO_CHECK_ARG_NULL (src);
12010 MONO_CHECK_ARG_NULL (type);
12012 klass = mono_class_from_mono_type (type->type);
12013 if (!mono_class_init (klass))
12014 mono_raise_exception (mono_class_get_exception_for_failure (klass));
12016 mono_struct_delete_old (klass, (char *)src);
12020 ves_icall_System_Runtime_InteropServices_Marshal_AllocHGlobal (int size)
12024 MONO_ARCH_SAVE_REGS;
12026 if ((gulong)size == 0)
12027 /* This returns a valid pointer for size 0 on MS.NET */
12031 res = GlobalAlloc (GMEM_FIXED, (gulong)size);
12033 res = g_try_malloc ((gulong)size);
12036 mono_gc_out_of_memory ((gulong)size);
12042 ves_icall_System_Runtime_InteropServices_Marshal_ReAllocHGlobal (gpointer ptr, int size)
12047 mono_gc_out_of_memory ((gulong)size);
12052 res = GlobalReAlloc (ptr, (gulong)size, GMEM_MOVEABLE);
12054 res = g_try_realloc (ptr, (gulong)size);
12057 mono_gc_out_of_memory ((gulong)size);
12063 ves_icall_System_Runtime_InteropServices_Marshal_FreeHGlobal (void *ptr)
12065 MONO_ARCH_SAVE_REGS;
12075 ves_icall_System_Runtime_InteropServices_Marshal_AllocCoTaskMem (int size)
12077 MONO_ARCH_SAVE_REGS;
12080 return CoTaskMemAlloc (size);
12082 return g_try_malloc ((gulong)size);
12087 ves_icall_System_Runtime_InteropServices_Marshal_FreeCoTaskMem (void *ptr)
12089 MONO_ARCH_SAVE_REGS;
12092 CoTaskMemFree (ptr);
12099 ves_icall_System_Runtime_InteropServices_Marshal_ReAllocCoTaskMem (gpointer ptr, int size)
12101 MONO_ARCH_SAVE_REGS;
12104 return CoTaskMemRealloc (ptr, size);
12106 return g_try_realloc (ptr, (gulong)size);
12111 ves_icall_System_Runtime_InteropServices_Marshal_UnsafeAddrOfPinnedArrayElement (MonoArray *arrayobj, int index)
12113 return mono_array_addr_with_size (arrayobj, mono_array_element_size (arrayobj->obj.vtable->klass), index);
12117 ves_icall_System_Runtime_InteropServices_Marshal_GetDelegateForFunctionPointerInternal (void *ftn, MonoReflectionType *type)
12119 MonoClass *klass = mono_type_get_class (type->type);
12120 if (!mono_class_init (klass))
12121 mono_raise_exception (mono_class_get_exception_for_failure (klass));
12123 return mono_ftnptr_to_delegate (klass, ftn);
12127 * mono_marshal_is_loading_type_info:
12129 * Return whenever mono_marshal_load_type_info () is being executed for KLASS by this
12133 mono_marshal_is_loading_type_info (MonoClass *klass)
12135 GSList *loads_list = mono_native_tls_get_value (load_type_info_tls_id);
12137 return g_slist_find (loads_list, klass) != NULL;
12141 * mono_marshal_load_type_info:
12143 * Initialize klass->marshal_info using information from metadata. This function can
12144 * recursively call itself, and the caller is responsible to avoid that by calling
12145 * mono_marshal_is_loading_type_info () beforehand.
12147 * LOCKING: Acquires the loader lock.
12150 mono_marshal_load_type_info (MonoClass* klass)
12153 guint32 native_size = 0, min_align = 1, packing;
12154 MonoMarshalType *info;
12155 MonoClassField* field;
12158 GSList *loads_list;
12160 g_assert (klass != NULL);
12162 if (klass->marshal_info)
12163 return klass->marshal_info;
12165 if (!klass->inited)
12166 mono_class_init (klass);
12168 mono_loader_lock ();
12170 if (klass->marshal_info) {
12171 mono_loader_unlock ();
12172 return klass->marshal_info;
12176 * This function can recursively call itself, so we keep the list of classes which are
12177 * under initialization in a TLS list.
12179 g_assert (!mono_marshal_is_loading_type_info (klass));
12180 loads_list = mono_native_tls_get_value (load_type_info_tls_id);
12181 loads_list = g_slist_prepend (loads_list, klass);
12182 mono_native_tls_set_value (load_type_info_tls_id, loads_list);
12185 while ((field = mono_class_get_fields (klass, &iter))) {
12186 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
12188 if (mono_field_is_deleted (field))
12193 layout = klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK;
12195 /* The mempool is protected by the loader lock */
12196 info = mono_image_alloc0 (klass->image, MONO_SIZEOF_MARSHAL_TYPE + sizeof (MonoMarshalField) * count);
12197 info->num_fields = count;
12199 /* Try to find a size for this type in metadata */
12200 mono_metadata_packing_from_typedef (klass->image, klass->type_token, NULL, &native_size);
12202 if (klass->parent) {
12203 int parent_size = mono_class_native_size (klass->parent, NULL);
12205 /* Add parent size to real size */
12206 native_size += parent_size;
12207 info->native_size = parent_size;
12210 packing = klass->packing_size ? klass->packing_size : 8;
12213 while ((field = mono_class_get_fields (klass, &iter))) {
12217 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
12220 if (mono_field_is_deleted (field))
12222 if (field->type->attrs & FIELD_ATTRIBUTE_HAS_FIELD_MARSHAL)
12223 mono_metadata_field_info_with_mempool (klass->image, mono_metadata_token_index (mono_class_get_field_token (field)) - 1,
12224 NULL, NULL, &info->fields [j].mspec);
12226 info->fields [j].field = field;
12228 if ((mono_class_num_fields (klass) == 1) && (klass->instance_size == sizeof (MonoObject)) &&
12229 (strcmp (mono_field_get_name (field), "$PRIVATE$") == 0)) {
12230 /* This field is a hack inserted by MCS to empty structures */
12235 case TYPE_ATTRIBUTE_AUTO_LAYOUT:
12236 case TYPE_ATTRIBUTE_SEQUENTIAL_LAYOUT:
12237 size = mono_marshal_type_size (field->type, info->fields [j].mspec,
12238 &align, TRUE, klass->unicode);
12239 align = klass->packing_size ? MIN (klass->packing_size, align): align;
12240 min_align = MAX (align, min_align);
12241 info->fields [j].offset = info->native_size;
12242 info->fields [j].offset += align - 1;
12243 info->fields [j].offset &= ~(align - 1);
12244 info->native_size = info->fields [j].offset + size;
12246 case TYPE_ATTRIBUTE_EXPLICIT_LAYOUT:
12247 size = mono_marshal_type_size (field->type, info->fields [j].mspec,
12248 &align, TRUE, klass->unicode);
12249 min_align = packing;
12250 info->fields [j].offset = field->offset - sizeof (MonoObject);
12251 info->native_size = MAX (info->native_size, info->fields [j].offset + size);
12257 if (layout != TYPE_ATTRIBUTE_AUTO_LAYOUT) {
12258 info->native_size = MAX (native_size, info->native_size);
12260 * If the provided Size is equal or larger than the calculated size, and there
12261 * was no Pack attribute, we set min_align to 1 to avoid native_size being increased
12263 if (layout == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT)
12264 if (native_size && native_size == info->native_size && klass->packing_size == 0)
12268 if (info->native_size & (min_align - 1)) {
12269 info->native_size += min_align - 1;
12270 info->native_size &= ~(min_align - 1);
12273 info->min_align = min_align;
12275 /* Update the class's blittable info, if the layouts don't match */
12276 if (info->native_size != mono_class_value_size (klass, NULL))
12277 klass->blittable = FALSE;
12279 /* If this is an array type, ensure that we have element info */
12280 if (klass->rank && !mono_marshal_is_loading_type_info (klass->element_class)) {
12281 mono_marshal_load_type_info (klass->element_class);
12284 loads_list = mono_native_tls_get_value (load_type_info_tls_id);
12285 loads_list = g_slist_remove (loads_list, klass);
12286 mono_native_tls_set_value (load_type_info_tls_id, loads_list);
12288 /*We do double-checking locking on marshal_info */
12289 mono_memory_barrier ();
12291 klass->marshal_info = info;
12293 mono_loader_unlock ();
12295 return klass->marshal_info;
12299 * mono_class_native_size:
12302 * Returns: the native size of an object instance (when marshaled
12303 * to unmanaged code)
12306 mono_class_native_size (MonoClass *klass, guint32 *align)
12308 if (!klass->marshal_info) {
12309 if (mono_marshal_is_loading_type_info (klass)) {
12314 mono_marshal_load_type_info (klass);
12319 *align = klass->marshal_info->min_align;
12321 return klass->marshal_info->native_size;
12324 /* __alignof__ returns the preferred alignment of values not the actual alignment used by
12325 the compiler so is wrong e.g. for Linux where doubles are aligned on a 4 byte boundary
12326 but __alignof__ returns 8 - using G_STRUCT_OFFSET works better */
12327 #define ALIGNMENT(type) G_STRUCT_OFFSET(struct { char c; type x; }, x)
12330 * mono_type_native_stack_size:
12331 * @t: the type to return the size it uses on the stack
12333 * Returns: the number of bytes required to hold an instance of this
12334 * type on the native stack
12337 mono_type_native_stack_size (MonoType *t, guint32 *align)
12341 g_assert (t != NULL);
12347 *align = sizeof (gpointer);
12348 return sizeof (gpointer);
12352 case MONO_TYPE_BOOLEAN:
12353 case MONO_TYPE_CHAR:
12364 case MONO_TYPE_STRING:
12365 case MONO_TYPE_OBJECT:
12366 case MONO_TYPE_CLASS:
12367 case MONO_TYPE_SZARRAY:
12368 case MONO_TYPE_PTR:
12369 case MONO_TYPE_FNPTR:
12370 case MONO_TYPE_ARRAY:
12371 *align = sizeof (gpointer);
12372 return sizeof (gpointer);
12377 *align = ALIGNMENT (gdouble);
12381 *align = ALIGNMENT (glong);
12383 case MONO_TYPE_GENERICINST:
12384 if (!mono_type_generic_inst_is_valuetype (t)) {
12385 *align = sizeof (gpointer);
12386 return sizeof (gpointer);
12389 case MONO_TYPE_TYPEDBYREF:
12390 case MONO_TYPE_VALUETYPE: {
12392 MonoClass *klass = mono_class_from_mono_type (t);
12394 if (klass->enumtype)
12395 return mono_type_native_stack_size (mono_class_enum_basetype (klass), align);
12397 size = mono_class_native_size (klass, align);
12398 *align = *align + 3;
12408 g_error ("type 0x%02x unknown", t->type);
12414 mono_marshal_type_size (MonoType *type, MonoMarshalSpec *mspec, guint32 *align,
12415 gboolean as_field, gboolean unicode)
12417 MonoMarshalNative native_type = mono_type_to_unmanaged (type, mspec, as_field, unicode, NULL);
12420 switch (native_type) {
12421 case MONO_NATIVE_BOOLEAN:
12424 case MONO_NATIVE_I1:
12425 case MONO_NATIVE_U1:
12428 case MONO_NATIVE_I2:
12429 case MONO_NATIVE_U2:
12430 case MONO_NATIVE_VARIANTBOOL:
12433 case MONO_NATIVE_I4:
12434 case MONO_NATIVE_U4:
12435 case MONO_NATIVE_ERROR:
12438 case MONO_NATIVE_I8:
12439 case MONO_NATIVE_U8:
12440 *align = ALIGNMENT(guint64);
12442 case MONO_NATIVE_R4:
12445 case MONO_NATIVE_R8:
12446 *align = ALIGNMENT(double);
12448 case MONO_NATIVE_INT:
12449 case MONO_NATIVE_UINT:
12450 case MONO_NATIVE_LPSTR:
12451 case MONO_NATIVE_LPWSTR:
12452 case MONO_NATIVE_LPTSTR:
12453 case MONO_NATIVE_BSTR:
12454 case MONO_NATIVE_ANSIBSTR:
12455 case MONO_NATIVE_TBSTR:
12456 case MONO_NATIVE_LPARRAY:
12457 case MONO_NATIVE_SAFEARRAY:
12458 case MONO_NATIVE_IUNKNOWN:
12459 case MONO_NATIVE_IDISPATCH:
12460 case MONO_NATIVE_INTERFACE:
12461 case MONO_NATIVE_ASANY:
12462 case MONO_NATIVE_FUNC:
12463 case MONO_NATIVE_LPSTRUCT:
12464 *align = ALIGNMENT(gpointer);
12465 return sizeof (gpointer);
12466 case MONO_NATIVE_STRUCT:
12467 klass = mono_class_from_mono_type (type);
12468 if (klass == mono_defaults.object_class &&
12469 (mspec && mspec->native == MONO_NATIVE_STRUCT)) {
12473 return mono_class_native_size (klass, align);
12474 case MONO_NATIVE_BYVALTSTR: {
12475 int esize = unicode ? 2: 1;
12478 return mspec->data.array_data.num_elem * esize;
12480 case MONO_NATIVE_BYVALARRAY: {
12481 // FIXME: Have to consider ArraySubType
12483 klass = mono_class_from_mono_type (type);
12484 if (klass->element_class == mono_defaults.char_class) {
12485 esize = unicode ? 2 : 1;
12488 esize = mono_class_native_size (klass->element_class, align);
12491 return mspec->data.array_data.num_elem * esize;
12493 case MONO_NATIVE_CUSTOM:
12494 *align = sizeof (gpointer);
12495 return sizeof (gpointer);
12497 case MONO_NATIVE_CURRENCY:
12498 case MONO_NATIVE_VBBYREFSTR:
12500 g_error ("native type %02x not implemented", native_type);
12503 g_assert_not_reached ();
12508 mono_marshal_asany (MonoObject *o, MonoMarshalNative string_encoding, int param_attrs)
12516 t = &o->vtable->klass->byval_arg;
12520 case MONO_TYPE_PTR:
12523 case MONO_TYPE_BOOLEAN:
12526 case MONO_TYPE_CHAR:
12531 return mono_object_unbox (o);
12533 case MONO_TYPE_STRING:
12534 switch (string_encoding) {
12535 case MONO_NATIVE_LPWSTR:
12536 return mono_marshal_string_to_utf16_copy ((MonoString*)o);
12538 case MONO_NATIVE_LPSTR:
12539 return mono_string_to_lpstr ((MonoString*)o);
12542 g_warning ("marshaling conversion %d not implemented", string_encoding);
12543 g_assert_not_reached ();
12546 case MONO_TYPE_CLASS:
12547 case MONO_TYPE_VALUETYPE: {
12548 MonoMethod *method;
12551 MonoBoolean delete_old = FALSE;
12553 klass = t->data.klass;
12555 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT)
12558 if (klass->valuetype && (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
12559 klass->blittable || klass->enumtype))
12560 return mono_object_unbox (o);
12562 res = mono_marshal_alloc (mono_class_native_size (klass, NULL));
12564 if (!((param_attrs & PARAM_ATTRIBUTE_OUT) && !(param_attrs & PARAM_ATTRIBUTE_IN))) {
12565 method = mono_marshal_get_struct_to_ptr (o->vtable->klass);
12569 pa [2] = &delete_old;
12571 mono_runtime_invoke (method, NULL, pa, NULL);
12578 mono_raise_exception (mono_get_exception_argument ("", "No PInvoke conversion exists for value passed to Object-typed parameter."));
12584 mono_marshal_free_asany (MonoObject *o, gpointer ptr, MonoMarshalNative string_encoding, int param_attrs)
12592 t = &o->vtable->klass->byval_arg;
12594 case MONO_TYPE_STRING:
12595 switch (string_encoding) {
12596 case MONO_NATIVE_LPWSTR:
12597 case MONO_NATIVE_LPSTR:
12598 mono_marshal_free (ptr);
12601 g_warning ("marshaling conversion %d not implemented", string_encoding);
12602 g_assert_not_reached ();
12605 case MONO_TYPE_CLASS:
12606 case MONO_TYPE_VALUETYPE: {
12607 klass = t->data.klass;
12609 if (klass->valuetype && (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
12610 klass->blittable || klass->enumtype))
12613 if (param_attrs & PARAM_ATTRIBUTE_OUT) {
12614 MonoMethod *method = mono_marshal_get_ptr_to_struct (o->vtable->klass);
12620 mono_runtime_invoke (method, NULL, pa, NULL);
12623 if (!((param_attrs & PARAM_ATTRIBUTE_OUT) && !(param_attrs & PARAM_ATTRIBUTE_IN))) {
12624 mono_struct_delete_old (klass, ptr);
12627 mono_marshal_free (ptr);
12636 mono_marshal_get_generic_array_helper (MonoClass *class, MonoClass *iface, gchar *name, MonoMethod *method)
12638 MonoMethodSignature *sig, *csig;
12639 MonoMethodBuilder *mb;
12644 mb = mono_mb_new_no_dup_name (class, name, MONO_WRAPPER_MANAGED_TO_MANAGED);
12645 mb->method->slot = -1;
12647 mb->method->flags = METHOD_ATTRIBUTE_PRIVATE | METHOD_ATTRIBUTE_VIRTUAL |
12648 METHOD_ATTRIBUTE_NEW_SLOT | METHOD_ATTRIBUTE_HIDE_BY_SIG | METHOD_ATTRIBUTE_FINAL;
12650 sig = mono_method_signature (method);
12651 csig = signature_dup (method->klass->image, sig);
12652 csig->generic_param_count = 0;
12654 #ifndef DISABLE_JIT
12655 mono_mb_emit_ldarg (mb, 0);
12656 for (i = 0; i < csig->param_count; i++)
12657 mono_mb_emit_ldarg (mb, i + 1);
12658 mono_mb_emit_managed_call (mb, method, NULL);
12659 mono_mb_emit_byte (mb, CEE_RET);
12661 /* We can corlib internal methods */
12662 mb->skip_visibility = TRUE;
12665 res = mono_mb_create_method (mb, csig, csig->param_count + 16);
12667 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_GENERIC_ARRAY_HELPER);
12668 info->d.generic_array_helper.method = method;
12669 mono_marshal_set_wrapper_info (res, info);
12677 * The mono_win32_compat_* functions are implementations of inline
12678 * Windows kernel32 APIs, which are DllImport-able under MS.NET,
12679 * although not exported by kernel32.
12681 * We map the appropiate kernel32 entries to these functions using
12682 * dllmaps declared in the global etc/mono/config.
12686 mono_win32_compat_CopyMemory (gpointer dest, gconstpointer source, gsize length)
12688 if (!dest || !source)
12691 memcpy (dest, source, length);
12695 mono_win32_compat_FillMemory (gpointer dest, gsize length, guchar fill)
12697 memset (dest, fill, length);
12701 mono_win32_compat_MoveMemory (gpointer dest, gconstpointer source, gsize length)
12703 if (!dest || !source)
12706 memmove (dest, source, length);
12710 mono_win32_compat_ZeroMemory (gpointer dest, gsize length)
12712 memset (dest, 0, length);
12716 mono_marshal_find_nonzero_bit_offset (guint8 *buf, int len, int *byte_offset, guint8 *bitmask)
12721 for (i = 0; i < len; ++i)
12725 g_assert (i < len);
12728 while (byte && !(byte & 1))
12730 g_assert (byte == 1);
12733 *bitmask = buf [i];
12737 mono_marshal_get_thunk_invoke_wrapper (MonoMethod *method)
12739 MonoMethodBuilder *mb;
12740 MonoMethodSignature *sig, *csig;
12741 MonoExceptionClause *clause;
12746 int i, param_count, sig_size, pos_leave;
12750 klass = method->klass;
12751 image = method->klass->image;
12752 cache = get_cache (&image->thunk_invoke_cache, mono_aligned_addr_hash, NULL);
12754 if ((res = mono_marshal_find_in_cache (cache, method)))
12757 sig = mono_method_signature (method);
12758 mb = mono_mb_new (klass, method->name, MONO_WRAPPER_NATIVE_TO_MANAGED);
12760 /* add "this" and exception param */
12761 param_count = sig->param_count + sig->hasthis + 1;
12763 /* dup & extend signature */
12764 csig = mono_metadata_signature_alloc (image, param_count);
12765 sig_size = MONO_SIZEOF_METHOD_SIGNATURE + sig->param_count * sizeof (MonoType *);
12766 memcpy (csig, sig, sig_size);
12767 csig->param_count = param_count;
12770 csig->call_convention = MONO_CALL_DEFAULT;
12772 if (sig->hasthis) {
12774 csig->params [0] = &klass->byval_arg;
12775 /* move params up by one */
12776 for (i = 0; i < sig->param_count; i++)
12777 csig->params [i + 1] = sig->params [i];
12780 /* setup exception param as byref+[out] */
12781 csig->params [param_count - 1] = mono_metadata_type_dup (image,
12782 &mono_defaults.exception_class->byval_arg);
12783 csig->params [param_count - 1]->byref = 1;
12784 csig->params [param_count - 1]->attrs = PARAM_ATTRIBUTE_OUT;
12786 /* convert struct return to object */
12787 if (MONO_TYPE_ISSTRUCT (sig->ret))
12788 csig->ret = &mono_defaults.object_class->byval_arg;
12790 #ifndef DISABLE_JIT
12791 /* local 0 (temp for exception object) */
12792 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
12794 /* local 1 (temp for result) */
12795 if (!MONO_TYPE_IS_VOID (sig->ret))
12796 mono_mb_add_local (mb, sig->ret);
12798 /* clear exception arg */
12799 mono_mb_emit_ldarg (mb, param_count - 1);
12800 mono_mb_emit_byte (mb, CEE_LDNULL);
12801 mono_mb_emit_byte (mb, CEE_STIND_REF);
12804 clause = mono_image_alloc0 (image, sizeof (MonoExceptionClause));
12805 clause->try_offset = mono_mb_get_label (mb);
12807 /* push method's args */
12808 for (i = 0; i < param_count - 1; i++) {
12812 mono_mb_emit_ldarg (mb, i);
12814 /* get the byval type of the param */
12815 klass = mono_class_from_mono_type (csig->params [i]);
12816 type = &klass->byval_arg;
12818 /* unbox struct args */
12819 if (MONO_TYPE_ISSTRUCT (type)) {
12820 mono_mb_emit_op (mb, CEE_UNBOX, klass);
12822 /* byref args & and the "this" arg must remain a ptr.
12823 Otherwise make a copy of the value type */
12824 if (!(csig->params [i]->byref || (i == 0 && sig->hasthis)))
12825 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
12827 csig->params [i] = &mono_defaults.object_class->byval_arg;
12832 if (method->flags & METHOD_ATTRIBUTE_VIRTUAL)
12833 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
12835 mono_mb_emit_op (mb, CEE_CALL, method);
12837 /* save result at local 1 */
12838 if (!MONO_TYPE_IS_VOID (sig->ret))
12839 mono_mb_emit_stloc (mb, 1);
12841 pos_leave = mono_mb_emit_branch (mb, CEE_LEAVE);
12844 clause->flags = MONO_EXCEPTION_CLAUSE_NONE;
12845 clause->try_len = mono_mb_get_pos (mb) - clause->try_offset;
12846 clause->data.catch_class = mono_defaults.object_class;
12848 clause->handler_offset = mono_mb_get_label (mb);
12850 /* store exception at local 0 */
12851 mono_mb_emit_stloc (mb, 0);
12852 mono_mb_emit_ldarg (mb, param_count - 1);
12853 mono_mb_emit_ldloc (mb, 0);
12854 mono_mb_emit_byte (mb, CEE_STIND_REF);
12855 mono_mb_emit_branch (mb, CEE_LEAVE);
12857 clause->handler_len = mono_mb_get_pos (mb) - clause->handler_offset;
12859 mono_mb_set_clauses (mb, 1, clause);
12861 mono_mb_patch_branch (mb, pos_leave);
12864 if (!MONO_TYPE_IS_VOID (sig->ret)) {
12865 mono_mb_emit_ldloc (mb, 1);
12867 /* box the return value */
12868 if (MONO_TYPE_ISSTRUCT (sig->ret))
12869 mono_mb_emit_op (mb, CEE_BOX, mono_class_from_mono_type (sig->ret));
12872 mono_mb_emit_byte (mb, CEE_RET);
12875 res = mono_mb_create_and_cache (cache, method, mb, csig, param_count + 16);
12882 * mono_marshal_free_dynamic_wrappers:
12884 * Free wrappers of the dynamic method METHOD.
12887 mono_marshal_free_dynamic_wrappers (MonoMethod *method)
12889 MonoImage *image = method->klass->image;
12891 g_assert (method->dynamic);
12893 /* This could be called during shutdown */
12894 if (marshal_mutex_initialized)
12895 mono_marshal_lock ();
12897 * FIXME: We currently leak the wrappers. Freeing them would be tricky as
12898 * they could be shared with other methods ?
12900 if (image->runtime_invoke_direct_cache)
12901 g_hash_table_remove (image->runtime_invoke_direct_cache, method);
12902 if (image->delegate_bound_static_invoke_cache)
12903 g_hash_table_foreach_remove (image->delegate_bound_static_invoke_cache, signature_method_pair_matches_method, method);
12904 if (image->delegate_abstract_invoke_cache)
12905 g_hash_table_foreach_remove (image->delegate_abstract_invoke_cache, signature_method_pair_matches_method, method);
12907 if (marshal_mutex_initialized)
12908 mono_marshal_unlock ();
12912 signature_method_pair_matches_signature (gpointer key, gpointer value, gpointer user_data)
12914 SignatureMethodPair *pair = (SignatureMethodPair*)key;
12915 MonoMethodSignature *sig = (MonoMethodSignature*)user_data;
12917 return mono_metadata_signature_equal (pair->sig, sig);
12921 * mono_marshal_free_inflated_wrappers:
12923 * Free wrappers of the inflated method METHOD.
12926 mono_marshal_free_inflated_wrappers (MonoMethod *method)
12928 MonoMethodSignature *sig = method->signature;
12930 g_assert (method->is_inflated);
12932 /* Ignore calls occuring late during cleanup. */
12933 if (!marshal_mutex_initialized)
12936 mono_marshal_lock ();
12938 * FIXME: We currently leak the wrappers. Freeing them would be tricky as
12939 * they could be shared with other methods ?
12943 * indexed by MonoMethodSignature
12945 /* FIXME: This could remove unrelated wrappers as well */
12946 if (sig && method->klass->image->delegate_begin_invoke_cache)
12947 g_hash_table_remove (method->klass->image->delegate_begin_invoke_cache, sig);
12948 if (sig && method->klass->image->delegate_end_invoke_cache)
12949 g_hash_table_remove (method->klass->image->delegate_end_invoke_cache, sig);
12950 if (sig && method->klass->image->delegate_invoke_cache)
12951 g_hash_table_remove (method->klass->image->delegate_invoke_cache, sig);
12952 if (sig && method->klass->image->runtime_invoke_cache)
12953 g_hash_table_remove (method->klass->image->runtime_invoke_cache, sig);
12956 * indexed by SignatureMethodPair
12958 if (sig && method->klass->image->delegate_abstract_invoke_cache)
12959 g_hash_table_foreach_remove (method->klass->image->delegate_abstract_invoke_cache,
12960 signature_method_pair_matches_signature, (gpointer)sig);
12962 if (sig && method->klass->image->delegate_bound_static_invoke_cache)
12963 g_hash_table_foreach_remove (method->klass->image->delegate_bound_static_invoke_cache,
12964 signature_method_pair_matches_signature, (gpointer)sig);
12967 * indexed by MonoMethod pointers
12969 if (method->klass->image->runtime_invoke_direct_cache)
12970 g_hash_table_remove (method->klass->image->runtime_invoke_direct_cache, method);
12971 if (method->klass->image->managed_wrapper_cache)
12972 g_hash_table_remove (method->klass->image->managed_wrapper_cache, method);
12973 if (method->klass->image->native_wrapper_cache)
12974 g_hash_table_remove (method->klass->image->native_wrapper_cache, method);
12975 if (method->klass->image->remoting_invoke_cache)
12976 g_hash_table_remove (method->klass->image->remoting_invoke_cache, method);
12977 if (method->klass->image->synchronized_cache)
12978 g_hash_table_remove (method->klass->image->synchronized_cache, method);
12979 if (method->klass->image->unbox_wrapper_cache)
12980 g_hash_table_remove (method->klass->image->unbox_wrapper_cache, method);
12981 if (method->klass->image->cominterop_invoke_cache)
12982 g_hash_table_remove (method->klass->image->cominterop_invoke_cache, method);
12983 if (method->klass->image->cominterop_wrapper_cache)
12984 g_hash_table_remove (method->klass->image->cominterop_wrapper_cache, method);
12985 if (method->klass->image->thunk_invoke_cache)
12986 g_hash_table_remove (method->klass->image->thunk_invoke_cache, method);
12987 if (method->klass->image->native_func_wrapper_aot_cache)
12988 g_hash_table_remove (method->klass->image->native_func_wrapper_aot_cache, method);
12990 mono_marshal_unlock ();