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 if (method->klass->valuetype && mono_method_signature (method)->hasthis)
4972 /* These have a different csig */
4973 cache = get_cache (&target_klass->image->runtime_invoke_vtype_cache,
4974 (GHashFunc)mono_signature_hash,
4975 (GCompareFunc)runtime_invoke_signature_equal);
4977 cache = get_cache (&target_klass->image->runtime_invoke_cache,
4978 (GHashFunc)mono_signature_hash,
4979 (GCompareFunc)runtime_invoke_signature_equal);
4981 /* from mono_marshal_find_in_cache */
4982 mono_marshal_lock ();
4983 res = g_hash_table_lookup (cache, callsig);
4984 mono_marshal_unlock ();
4991 /* Make a copy of the signature from the image mempool */
4993 callsig = mono_metadata_signature_dup_full (target_klass->image, callsig);
4997 sig = mono_method_signature (method);
4999 csig = mono_metadata_signature_alloc (target_klass->image, 4);
5001 csig->ret = &mono_defaults.object_class->byval_arg;
5002 if (method->klass->valuetype && mono_method_signature (method)->hasthis)
5003 csig->params [0] = get_runtime_invoke_type (&method->klass->this_arg, FALSE);
5005 csig->params [0] = &mono_defaults.object_class->byval_arg;
5006 csig->params [1] = &mono_defaults.int_class->byval_arg;
5007 csig->params [2] = &mono_defaults.int_class->byval_arg;
5008 csig->params [3] = &mono_defaults.int_class->byval_arg;
5011 /* This is called from runtime code so it has to be cdecl */
5012 csig->call_convention = MONO_CALL_C;
5015 name = mono_signature_to_name (callsig, virtual ? "runtime_invoke_virtual" : "runtime_invoke");
5016 mb = mono_mb_new (target_klass, name, MONO_WRAPPER_RUNTIME_INVOKE);
5020 param_names [0] = "this";
5021 param_names [1] = "params";
5022 param_names [2] = "exc";
5023 param_names [3] = "method";
5024 mono_mb_set_param_names (mb, param_names);
5026 emit_runtime_invoke_body (mb, target_klass, method, sig, callsig, virtual, need_direct_wrapper);
5029 if (need_direct_wrapper) {
5031 mb->skip_visibility = 1;
5033 res = mono_mb_create_and_cache (cache, method, mb, csig, sig->param_count + 16);
5034 info = mono_wrapper_info_create (res, virtual ? WRAPPER_SUBTYPE_RUNTIME_INVOKE_VIRTUAL : WRAPPER_SUBTYPE_RUNTIME_INVOKE_DIRECT);
5035 info->d.runtime_invoke.method = method;
5036 mono_marshal_set_wrapper_info (res, info);
5038 /* taken from mono_mb_create_and_cache */
5039 mono_marshal_lock ();
5040 res = g_hash_table_lookup (cache, callsig);
5041 mono_marshal_unlock ();
5043 /* Somebody may have created it before us */
5046 newm = mono_mb_create_method (mb, csig, sig->param_count + 16);
5048 mono_marshal_lock ();
5049 res = g_hash_table_lookup (cache, callsig);
5052 g_hash_table_insert (cache, callsig, res);
5053 /* Can't insert it into wrapper_hash since the key is a signature */
5054 g_hash_table_insert (method->klass->image->runtime_invoke_direct_cache, method, res);
5055 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_RUNTIME_INVOKE_NORMAL);
5056 info->d.runtime_invoke.sig = callsig;
5057 mono_marshal_set_wrapper_info (res, info);
5059 mono_free_method (newm);
5061 mono_marshal_unlock ();
5064 /* end mono_mb_create_and_cache */
5073 * mono_marshal_get_runtime_invoke_dynamic:
5075 * Return a method which can be used to invoke managed methods from native code
5077 * The signature of the returned method is given by RuntimeInvokeDynamicFunction:
5078 * void runtime_invoke (void *args, MonoObject **exc, void *compiled_method)
5079 * ARGS should point to an architecture specific structure containing
5080 * the arguments and space for the return value.
5081 * The other arguments are the same as for runtime_invoke (), except that
5082 * ARGS should contain the this argument too.
5083 * This wrapper serves the same purpose as the runtime-invoke wrappers, but there
5084 * is only one copy of it, which is useful in full-aot.
5085 * The wrapper info for the wrapper is a WrapperInfo structure.
5088 mono_marshal_get_runtime_invoke_dynamic (void)
5090 static MonoMethod *method;
5091 MonoMethodSignature *csig;
5092 MonoExceptionClause *clause;
5093 MonoMethodBuilder *mb;
5101 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
5103 csig->ret = &mono_defaults.void_class->byval_arg;
5104 csig->params [0] = &mono_defaults.int_class->byval_arg;
5105 csig->params [1] = &mono_defaults.int_class->byval_arg;
5106 csig->params [2] = &mono_defaults.int_class->byval_arg;
5107 csig->params [3] = &mono_defaults.int_class->byval_arg;
5109 name = g_strdup ("runtime_invoke_dynamic");
5110 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_RUNTIME_INVOKE);
5114 /* allocate local 0 (object) tmp */
5115 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
5116 /* allocate local 1 (object) exc */
5117 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
5119 /* cond set *exc to null */
5120 mono_mb_emit_byte (mb, CEE_LDARG_1);
5121 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
5122 mono_mb_emit_byte (mb, 3);
5123 mono_mb_emit_byte (mb, CEE_LDARG_1);
5124 mono_mb_emit_byte (mb, CEE_LDNULL);
5125 mono_mb_emit_byte (mb, CEE_STIND_REF);
5127 emit_thread_force_interrupt_checkpoint (mb);
5129 mono_mb_emit_byte (mb, CEE_LDARG_0);
5130 mono_mb_emit_byte (mb, CEE_LDARG_2);
5131 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5132 mono_mb_emit_byte (mb, CEE_MONO_DYN_CALL);
5134 pos = mono_mb_emit_branch (mb, CEE_LEAVE);
5136 clause = mono_image_alloc0 (mono_defaults.corlib, sizeof (MonoExceptionClause));
5137 clause->flags = MONO_EXCEPTION_CLAUSE_FILTER;
5138 clause->try_len = mono_mb_get_label (mb);
5141 clause->data.filter_offset = mono_mb_get_label (mb);
5143 mono_mb_emit_byte (mb, CEE_POP);
5144 mono_mb_emit_byte (mb, CEE_LDARG_1);
5145 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
5146 mono_mb_emit_byte (mb, CEE_PREFIX1);
5147 mono_mb_emit_byte (mb, CEE_CGT_UN);
5148 mono_mb_emit_byte (mb, CEE_PREFIX1);
5149 mono_mb_emit_byte (mb, CEE_ENDFILTER);
5151 clause->handler_offset = mono_mb_get_label (mb);
5154 /* store exception */
5155 mono_mb_emit_stloc (mb, 1);
5157 mono_mb_emit_byte (mb, CEE_LDARG_1);
5158 mono_mb_emit_ldloc (mb, 1);
5159 mono_mb_emit_byte (mb, CEE_STIND_REF);
5161 mono_mb_emit_byte (mb, CEE_LDNULL);
5162 mono_mb_emit_stloc (mb, 0);
5164 /* Check for the abort exception */
5165 mono_mb_emit_ldloc (mb, 1);
5166 mono_mb_emit_op (mb, CEE_ISINST, mono_defaults.threadabortexception_class);
5167 posna = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
5169 /* Delay the abort exception */
5170 mono_mb_emit_icall (mb, ves_icall_System_Threading_Thread_ResetAbort);
5172 mono_mb_patch_short_branch (mb, posna);
5173 mono_mb_emit_branch (mb, CEE_LEAVE);
5175 clause->handler_len = mono_mb_get_pos (mb) - clause->handler_offset;
5177 mono_mb_set_clauses (mb, 1, clause);
5180 mono_mb_patch_branch (mb, pos);
5181 //mono_mb_emit_ldloc (mb, 0);
5182 mono_mb_emit_byte (mb, CEE_RET);
5183 #endif /* DISABLE_JIT */
5185 mono_loader_lock ();
5186 /* double-checked locking */
5188 method = mono_mb_create_method (mb, csig, 16);
5189 info = mono_wrapper_info_create (method, WRAPPER_SUBTYPE_RUNTIME_INVOKE_DYNAMIC);
5190 mono_marshal_set_wrapper_info (method, info);
5192 mono_loader_unlock ();
5201 mono_mb_emit_auto_layout_exception (MonoMethodBuilder *mb, MonoClass *klass)
5203 char *msg = g_strdup_printf ("The type `%s.%s' layout needs to be Sequential or Explicit",
5204 klass->name_space, klass->name);
5206 mono_mb_emit_exception_marshal_directive (mb, msg);
5210 #ifndef DISABLE_REMOTING
5212 * mono_marshal_get_ldfld_remote_wrapper:
5213 * @klass: The return type
5215 * This method generates a wrapper for calling mono_load_remote_field_new.
5216 * The return type is ignored for now, as mono_load_remote_field_new () always
5217 * returns an object. In the future, to optimize some codepaths, we might
5218 * call a different function that takes a pointer to a valuetype, instead.
5221 mono_marshal_get_ldfld_remote_wrapper (MonoClass *klass)
5223 MonoMethodSignature *sig, *csig;
5224 MonoMethodBuilder *mb;
5226 static MonoMethod* cached = NULL;
5228 mono_marshal_lock ();
5230 mono_marshal_unlock ();
5233 mono_marshal_unlock ();
5235 mb = mono_mb_new_no_dup_name (mono_defaults.object_class, "__mono_load_remote_field_new_wrapper", MONO_WRAPPER_LDFLD_REMOTE);
5237 mb->method->save_lmf = 1;
5239 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
5240 sig->params [0] = &mono_defaults.object_class->byval_arg;
5241 sig->params [1] = &mono_defaults.int_class->byval_arg;
5242 sig->params [2] = &mono_defaults.int_class->byval_arg;
5243 sig->ret = &mono_defaults.object_class->byval_arg;
5246 mono_mb_emit_ldarg (mb, 0);
5247 mono_mb_emit_ldarg (mb, 1);
5248 mono_mb_emit_ldarg (mb, 2);
5250 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
5251 csig->params [0] = &mono_defaults.object_class->byval_arg;
5252 csig->params [1] = &mono_defaults.int_class->byval_arg;
5253 csig->params [2] = &mono_defaults.int_class->byval_arg;
5254 csig->ret = &mono_defaults.object_class->byval_arg;
5257 mono_mb_emit_native_call (mb, csig, mono_load_remote_field_new);
5258 emit_thread_interrupt_checkpoint (mb);
5260 mono_mb_emit_byte (mb, CEE_RET);
5263 mono_marshal_lock ();
5265 mono_marshal_unlock ();
5268 newm = mono_mb_create_method (mb, sig, 4);
5269 mono_marshal_lock ();
5274 mono_marshal_unlock ();
5276 mono_marshal_unlock ();
5277 mono_free_method (newm);
5286 * mono_marshal_get_ldfld_wrapper:
5287 * @type: the type of the field
5289 * This method generates a function which can be use to load a field with type
5290 * @type from an object. The generated function has the following signature:
5291 * <@type> ldfld_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset)
5294 mono_marshal_get_ldfld_wrapper (MonoType *type)
5296 MonoMethodSignature *sig;
5297 MonoMethodBuilder *mb;
5302 int t, pos0, pos1 = 0;
5304 type = mono_type_get_underlying_type (type);
5309 if (type->type == MONO_TYPE_SZARRAY) {
5310 klass = mono_defaults.array_class;
5311 } else if (type->type == MONO_TYPE_VALUETYPE) {
5312 klass = type->data.klass;
5313 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING) {
5314 klass = mono_defaults.object_class;
5315 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
5316 klass = mono_defaults.int_class;
5317 } else if (t == MONO_TYPE_GENERICINST) {
5318 if (mono_type_generic_inst_is_valuetype (type))
5319 klass = mono_class_from_mono_type (type);
5321 klass = mono_defaults.object_class;
5323 klass = mono_class_from_mono_type (type);
5326 klass = mono_defaults.int_class;
5329 cache = get_cache (&klass->image->ldfld_wrapper_cache, mono_aligned_addr_hash, NULL);
5330 if ((res = mono_marshal_find_in_cache (cache, klass)))
5333 /* we add the %p pointer value of klass because class names are not unique */
5334 name = g_strdup_printf ("__ldfld_wrapper_%p_%s.%s", klass, klass->name_space, klass->name);
5335 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_LDFLD);
5338 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
5339 sig->params [0] = &mono_defaults.object_class->byval_arg;
5340 sig->params [1] = &mono_defaults.int_class->byval_arg;
5341 sig->params [2] = &mono_defaults.int_class->byval_arg;
5342 sig->params [3] = &mono_defaults.int_class->byval_arg;
5343 sig->ret = &klass->byval_arg;
5346 mono_mb_emit_ldarg (mb, 0);
5347 pos0 = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
5349 mono_mb_emit_ldarg (mb, 0);
5350 mono_mb_emit_ldarg (mb, 1);
5351 mono_mb_emit_ldarg (mb, 2);
5353 mono_mb_emit_managed_call (mb, mono_marshal_get_ldfld_remote_wrapper (klass), NULL);
5356 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
5357 csig->params [0] = &mono_defaults.object_class->byval_arg;
5358 csig->params [1] = &mono_defaults.int_class->byval_arg;
5359 csig->params [2] = &mono_defaults.int_class->byval_arg;
5360 csig->ret = &klass->this_arg;
5363 mono_mb_emit_native_call (mb, csig, mono_load_remote_field_new);
5364 emit_thread_interrupt_checkpoint (mb);
5367 if (klass->valuetype) {
5368 mono_mb_emit_op (mb, CEE_UNBOX, klass);
5369 pos1 = mono_mb_emit_branch (mb, CEE_BR);
5371 mono_mb_emit_byte (mb, CEE_RET);
5375 mono_mb_patch_branch (mb, pos0);
5377 mono_mb_emit_ldarg (mb, 0);
5378 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5379 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
5380 mono_mb_emit_ldarg (mb, 3);
5381 mono_mb_emit_byte (mb, CEE_ADD);
5383 if (klass->valuetype)
5384 mono_mb_patch_branch (mb, pos1);
5389 case MONO_TYPE_BOOLEAN:
5390 case MONO_TYPE_CHAR:
5399 case MONO_TYPE_ARRAY:
5400 case MONO_TYPE_SZARRAY:
5401 case MONO_TYPE_OBJECT:
5402 case MONO_TYPE_CLASS:
5403 case MONO_TYPE_STRING:
5407 case MONO_TYPE_FNPTR:
5408 mono_mb_emit_byte (mb, mono_type_to_ldind (type));
5410 case MONO_TYPE_VALUETYPE:
5411 g_assert (!klass->enumtype);
5412 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
5414 case MONO_TYPE_GENERICINST:
5415 if (mono_type_generic_inst_is_valuetype (type)) {
5416 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
5418 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5422 case MONO_TYPE_MVAR:
5423 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
5426 g_warning ("type %x not implemented", type->type);
5427 g_assert_not_reached ();
5430 mono_mb_emit_byte (mb, CEE_RET);
5431 #endif /* DISABLE_JIT */
5433 res = mono_mb_create_and_cache (cache, klass,
5434 mb, sig, sig->param_count + 16);
5441 * mono_marshal_get_ldflda_wrapper:
5442 * @type: the type of the field
5444 * This method generates a function which can be used to load a field address
5445 * from an object. The generated function has the following signature:
5446 * gpointer ldflda_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset);
5449 mono_marshal_get_ldflda_wrapper (MonoType *type)
5451 MonoMethodSignature *sig;
5452 MonoMethodBuilder *mb;
5457 int t, pos0, pos1, pos2, pos3;
5459 type = mono_type_get_underlying_type (type);
5463 if (type->type == MONO_TYPE_SZARRAY) {
5464 klass = mono_defaults.array_class;
5465 } else if (type->type == MONO_TYPE_VALUETYPE) {
5466 klass = type->data.klass;
5467 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING ||
5468 t == MONO_TYPE_CLASS) {
5469 klass = mono_defaults.object_class;
5470 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
5471 klass = mono_defaults.int_class;
5472 } else if (t == MONO_TYPE_GENERICINST) {
5473 if (mono_type_generic_inst_is_valuetype (type))
5474 klass = mono_class_from_mono_type (type);
5476 klass = mono_defaults.object_class;
5478 klass = mono_class_from_mono_type (type);
5481 klass = mono_defaults.int_class;
5484 cache = get_cache (&klass->image->ldflda_wrapper_cache, mono_aligned_addr_hash, NULL);
5485 if ((res = mono_marshal_find_in_cache (cache, klass)))
5488 /* we add the %p pointer value of klass because class names are not unique */
5489 name = g_strdup_printf ("__ldflda_wrapper_%p_%s.%s", klass, klass->name_space, klass->name);
5490 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_LDFLDA);
5493 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
5494 sig->params [0] = &mono_defaults.object_class->byval_arg;
5495 sig->params [1] = &mono_defaults.int_class->byval_arg;
5496 sig->params [2] = &mono_defaults.int_class->byval_arg;
5497 sig->params [3] = &mono_defaults.int_class->byval_arg;
5498 sig->ret = &mono_defaults.int_class->byval_arg;
5501 /* if typeof (this) != transparent_proxy goto pos0 */
5502 mono_mb_emit_ldarg (mb, 0);
5503 pos0 = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
5505 /* if same_appdomain goto pos1 */
5506 mono_mb_emit_ldarg (mb, 0);
5507 pos1 = mono_mb_emit_xdomain_check (mb, CEE_BEQ);
5509 mono_mb_emit_exception_full (mb, "System", "InvalidOperationException", "Attempt to load field address from object in another appdomain.");
5511 /* same app domain */
5512 mono_mb_patch_branch (mb, pos1);
5514 /* if typeof (this) != contextbound goto pos2 */
5515 mono_mb_emit_ldarg (mb, 0);
5516 pos2 = mono_mb_emit_contextbound_check (mb, CEE_BEQ);
5518 /* if this->rp->context == mono_context_get goto pos3 */
5519 mono_mb_emit_ldarg (mb, 0);
5520 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
5521 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5522 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoRealProxy, context));
5523 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5524 mono_mb_emit_icall (mb, mono_context_get);
5525 pos3 = mono_mb_emit_branch (mb, CEE_BEQ);
5527 mono_mb_emit_exception_full (mb, "System", "InvalidOperationException", "Attempt to load field address from object in another context.");
5529 mono_mb_patch_branch (mb, pos2);
5530 mono_mb_patch_branch (mb, pos3);
5532 /* return the address of the field from this->rp->unwrapped_server */
5533 mono_mb_emit_ldarg (mb, 0);
5534 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
5535 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5536 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoRealProxy, unwrapped_server));
5537 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5538 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5539 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
5540 mono_mb_emit_ldarg (mb, 3);
5541 mono_mb_emit_byte (mb, CEE_ADD);
5542 mono_mb_emit_byte (mb, CEE_RET);
5544 /* not a proxy: return the address of the field directly */
5545 mono_mb_patch_branch (mb, pos0);
5547 mono_mb_emit_ldarg (mb, 0);
5548 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5549 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
5550 mono_mb_emit_ldarg (mb, 3);
5551 mono_mb_emit_byte (mb, CEE_ADD);
5553 mono_mb_emit_byte (mb, CEE_RET);
5556 res = mono_mb_create_and_cache (cache, klass,
5557 mb, sig, sig->param_count + 16);
5564 * mono_marshal_get_stfld_remote_wrapper:
5565 * klass: The type of the field
5567 * This function generates a wrapper for calling mono_store_remote_field_new
5568 * with the appropriate signature.
5569 * Similarly to mono_marshal_get_ldfld_remote_wrapper () this doesn't depend on the
5570 * klass argument anymore.
5573 mono_marshal_get_stfld_remote_wrapper (MonoClass *klass)
5575 MonoMethodSignature *sig, *csig;
5576 MonoMethodBuilder *mb;
5578 static MonoMethod *cached = NULL;
5580 mono_marshal_lock ();
5582 mono_marshal_unlock ();
5585 mono_marshal_unlock ();
5587 mb = mono_mb_new_no_dup_name (mono_defaults.object_class, "__mono_store_remote_field_new_wrapper", MONO_WRAPPER_STFLD_REMOTE);
5589 mb->method->save_lmf = 1;
5591 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
5592 sig->params [0] = &mono_defaults.object_class->byval_arg;
5593 sig->params [1] = &mono_defaults.int_class->byval_arg;
5594 sig->params [2] = &mono_defaults.int_class->byval_arg;
5595 sig->params [3] = &mono_defaults.object_class->byval_arg;
5596 sig->ret = &mono_defaults.void_class->byval_arg;
5599 mono_mb_emit_ldarg (mb, 0);
5600 mono_mb_emit_ldarg (mb, 1);
5601 mono_mb_emit_ldarg (mb, 2);
5602 mono_mb_emit_ldarg (mb, 3);
5604 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
5605 csig->params [0] = &mono_defaults.object_class->byval_arg;
5606 csig->params [1] = &mono_defaults.int_class->byval_arg;
5607 csig->params [2] = &mono_defaults.int_class->byval_arg;
5608 csig->params [3] = &mono_defaults.object_class->byval_arg;
5609 csig->ret = &mono_defaults.void_class->byval_arg;
5612 mono_mb_emit_native_call (mb, csig, mono_store_remote_field_new);
5613 emit_thread_interrupt_checkpoint (mb);
5615 mono_mb_emit_byte (mb, CEE_RET);
5618 mono_marshal_lock ();
5620 mono_marshal_unlock ();
5623 newm = mono_mb_create_method (mb, sig, 6);
5624 mono_marshal_lock ();
5629 mono_marshal_unlock ();
5631 mono_marshal_unlock ();
5632 mono_free_method (newm);
5641 * mono_marshal_get_stfld_wrapper:
5642 * @type: the type of the field
5644 * This method generates a function which can be use to store a field with type
5645 * @type. The generated function has the following signature:
5646 * void stfld_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset, <@type> val)
5649 mono_marshal_get_stfld_wrapper (MonoType *type)
5651 MonoMethodSignature *sig;
5652 MonoMethodBuilder *mb;
5659 type = mono_type_get_underlying_type (type);
5663 if (type->type == MONO_TYPE_SZARRAY) {
5664 klass = mono_defaults.array_class;
5665 } else if (type->type == MONO_TYPE_VALUETYPE) {
5666 klass = type->data.klass;
5667 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING) {
5668 klass = mono_defaults.object_class;
5669 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
5670 klass = mono_defaults.int_class;
5671 } else if (t == MONO_TYPE_GENERICINST) {
5672 if (mono_type_generic_inst_is_valuetype (type))
5673 klass = mono_class_from_mono_type (type);
5675 klass = mono_defaults.object_class;
5677 klass = mono_class_from_mono_type (type);
5680 klass = mono_defaults.int_class;
5683 cache = get_cache (&klass->image->stfld_wrapper_cache, mono_aligned_addr_hash, NULL);
5684 if ((res = mono_marshal_find_in_cache (cache, klass)))
5687 /* we add the %p pointer value of klass because class names are not unique */
5688 name = g_strdup_printf ("__stfld_wrapper_%p_%s.%s", klass, klass->name_space, klass->name);
5689 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_STFLD);
5692 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 5);
5693 sig->params [0] = &mono_defaults.object_class->byval_arg;
5694 sig->params [1] = &mono_defaults.int_class->byval_arg;
5695 sig->params [2] = &mono_defaults.int_class->byval_arg;
5696 sig->params [3] = &mono_defaults.int_class->byval_arg;
5697 sig->params [4] = &klass->byval_arg;
5698 sig->ret = &mono_defaults.void_class->byval_arg;
5701 mono_mb_emit_ldarg (mb, 0);
5702 pos = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
5704 mono_mb_emit_ldarg (mb, 0);
5705 mono_mb_emit_ldarg (mb, 1);
5706 mono_mb_emit_ldarg (mb, 2);
5707 mono_mb_emit_ldarg (mb, 4);
5708 if (klass->valuetype)
5709 mono_mb_emit_op (mb, CEE_BOX, klass);
5711 mono_mb_emit_managed_call (mb, mono_marshal_get_stfld_remote_wrapper (klass), NULL);
5713 mono_mb_emit_byte (mb, CEE_RET);
5715 mono_mb_patch_branch (mb, pos);
5717 mono_mb_emit_ldarg (mb, 0);
5718 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5719 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
5720 mono_mb_emit_ldarg (mb, 3);
5721 mono_mb_emit_byte (mb, CEE_ADD);
5722 mono_mb_emit_ldarg (mb, 4);
5727 case MONO_TYPE_BOOLEAN:
5728 case MONO_TYPE_CHAR:
5737 case MONO_TYPE_ARRAY:
5738 case MONO_TYPE_SZARRAY:
5739 case MONO_TYPE_OBJECT:
5740 case MONO_TYPE_CLASS:
5741 case MONO_TYPE_STRING:
5745 case MONO_TYPE_FNPTR:
5746 mono_mb_emit_byte (mb, mono_type_to_stind (type));
5748 case MONO_TYPE_VALUETYPE:
5749 g_assert (!klass->enumtype);
5750 mono_mb_emit_op (mb, CEE_STOBJ, klass);
5752 case MONO_TYPE_GENERICINST:
5754 case MONO_TYPE_MVAR:
5755 mono_mb_emit_op (mb, CEE_STOBJ, klass);
5758 g_warning ("type %x not implemented", type->type);
5759 g_assert_not_reached ();
5762 mono_mb_emit_byte (mb, CEE_RET);
5765 res = mono_mb_create_and_cache (cache, klass,
5766 mb, sig, sig->param_count + 16);
5771 #endif /* DISABLE_REMOTING */
5774 * generates IL code for the icall wrapper (the generated method
5775 * calls the unmanaged code in func)
5776 * The wrapper info for the wrapper is a WrapperInfo structure.
5779 mono_marshal_get_icall_wrapper (MonoMethodSignature *sig, const char *name, gconstpointer func, gboolean check_exceptions)
5781 MonoMethodSignature *csig, *csig2;
5782 MonoMethodBuilder *mb;
5787 g_assert (sig->pinvoke);
5789 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_MANAGED_TO_NATIVE);
5791 mb->method->save_lmf = 1;
5793 /* Add an explicit this argument */
5795 csig2 = signature_dup_add_this (mono_defaults.corlib, sig, mono_defaults.object_class);
5797 csig2 = signature_dup (mono_defaults.corlib, sig);
5801 mono_mb_emit_byte (mb, CEE_LDARG_0);
5803 for (i = 0; i < sig->param_count; i++)
5804 mono_mb_emit_ldarg (mb, i + sig->hasthis);
5806 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5807 mono_mb_emit_op (mb, CEE_MONO_JIT_ICALL_ADDR, (gpointer)func);
5808 mono_mb_emit_calli (mb, csig2);
5809 if (check_exceptions)
5810 emit_thread_interrupt_checkpoint (mb);
5811 mono_mb_emit_byte (mb, CEE_RET);
5814 csig = signature_dup (mono_defaults.corlib, sig);
5816 if (csig->call_convention == MONO_CALL_VARARG)
5817 csig->call_convention = 0;
5819 res = mono_mb_create_method (mb, csig, csig->param_count + 16);
5822 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_ICALL_WRAPPER);
5823 info->d.icall.func = (gpointer)func;
5824 mono_marshal_set_wrapper_info (res, info);
5830 emit_marshal_custom (EmitMarshalContext *m, int argnum, MonoType *t,
5831 MonoMarshalSpec *spec,
5832 int conv_arg, MonoType **conv_arg_type,
5833 MarshalAction action)
5836 if (action == MARSHAL_ACTION_CONV_IN && t->type == MONO_TYPE_VALUETYPE)
5837 *conv_arg_type = &mono_defaults.int_class->byval_arg;
5842 static MonoClass *ICustomMarshaler = NULL;
5843 static MonoMethod *cleanup_native, *cleanup_managed;
5844 static MonoMethod *marshal_managed_to_native, *marshal_native_to_managed;
5845 MonoMethod *get_instance = NULL;
5846 MonoMethodBuilder *mb = m->mb;
5847 char *exception_msg = NULL;
5851 if (!ICustomMarshaler) {
5852 ICustomMarshaler = mono_class_from_name (mono_defaults.corlib, "System.Runtime.InteropServices", "ICustomMarshaler");
5853 if (!ICustomMarshaler) {
5854 exception_msg = g_strdup ("Current profile doesn't support ICustomMarshaler");
5855 goto handle_exception;
5858 cleanup_native = mono_class_get_method_from_name (ICustomMarshaler, "CleanUpNativeData", 1);
5859 g_assert (cleanup_native);
5860 cleanup_managed = mono_class_get_method_from_name (ICustomMarshaler, "CleanUpManagedData", 1);
5861 g_assert (cleanup_managed);
5862 marshal_managed_to_native = mono_class_get_method_from_name (ICustomMarshaler, "MarshalManagedToNative", 1);
5863 g_assert (marshal_managed_to_native);
5864 marshal_native_to_managed = mono_class_get_method_from_name (ICustomMarshaler, "MarshalNativeToManaged", 1);
5865 g_assert (marshal_native_to_managed);
5868 mtype = mono_reflection_type_from_name (spec->data.custom_data.custom_name, m->image);
5869 g_assert (mtype != NULL);
5870 mklass = mono_class_from_mono_type (mtype);
5871 g_assert (mklass != NULL);
5873 if (!mono_class_is_assignable_from (ICustomMarshaler, mklass))
5874 exception_msg = g_strdup_printf ("Custom marshaler '%s' does not implement the ICustomMarshaler interface.", mklass->name);
5876 get_instance = mono_class_get_method_from_name_flags (mklass, "GetInstance", 1, METHOD_ATTRIBUTE_STATIC);
5878 MonoMethodSignature *get_sig = mono_method_signature (get_instance);
5879 if ((get_sig->ret->type != MONO_TYPE_CLASS) ||
5880 (mono_class_from_mono_type (get_sig->ret) != ICustomMarshaler) ||
5881 (get_sig->params [0]->type != MONO_TYPE_STRING))
5882 get_instance = NULL;
5886 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);
5889 /* Throw exception and emit compensation code if neccesary */
5890 if (exception_msg) {
5892 case MARSHAL_ACTION_CONV_IN:
5893 case MARSHAL_ACTION_CONV_RESULT:
5894 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
5895 if ((action == MARSHAL_ACTION_CONV_RESULT) || (action == MARSHAL_ACTION_MANAGED_CONV_RESULT))
5896 mono_mb_emit_byte (mb, CEE_POP);
5898 mono_mb_emit_exception_full (mb, "System", "ApplicationException", exception_msg);
5899 g_free (exception_msg);
5902 case MARSHAL_ACTION_PUSH:
5903 mono_mb_emit_byte (mb, CEE_LDNULL);
5911 /* FIXME: MS.NET seems to create one instance for each klass + cookie pair */
5912 /* FIXME: MS.NET throws an exception if GetInstance returns null */
5915 case MARSHAL_ACTION_CONV_IN:
5917 case MONO_TYPE_CLASS:
5918 case MONO_TYPE_OBJECT:
5919 case MONO_TYPE_STRING:
5920 case MONO_TYPE_ARRAY:
5921 case MONO_TYPE_SZARRAY:
5922 case MONO_TYPE_VALUETYPE:
5926 g_warning ("custom marshalling of type %x is currently not supported", t->type);
5927 g_assert_not_reached ();
5931 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5933 mono_mb_emit_byte (mb, CEE_LDNULL);
5934 mono_mb_emit_stloc (mb, conv_arg);
5936 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT))
5939 /* Minic MS.NET behavior */
5940 if (!t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT) && !(t->attrs & PARAM_ATTRIBUTE_IN))
5943 /* Check for null */
5944 mono_mb_emit_ldarg (mb, argnum);
5946 mono_mb_emit_byte (mb, CEE_LDIND_I);
5947 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5949 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5951 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5953 mono_mb_emit_ldarg (mb, argnum);
5955 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5957 if (t->type == MONO_TYPE_VALUETYPE) {
5959 * Since we can't determine the type of the argument, we
5960 * will assume the unmanaged function takes a pointer.
5962 *conv_arg_type = &mono_defaults.int_class->byval_arg;
5964 mono_mb_emit_op (mb, CEE_BOX, mono_class_from_mono_type (t));
5967 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_managed_to_native);
5968 mono_mb_emit_stloc (mb, conv_arg);
5970 mono_mb_patch_branch (mb, pos2);
5973 case MARSHAL_ACTION_CONV_OUT:
5974 /* Check for null */
5975 mono_mb_emit_ldloc (mb, conv_arg);
5976 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5979 mono_mb_emit_ldarg (mb, argnum);
5981 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5983 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5985 mono_mb_emit_ldloc (mb, conv_arg);
5986 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
5987 mono_mb_emit_byte (mb, CEE_STIND_REF);
5988 } else if (t->attrs & PARAM_ATTRIBUTE_OUT) {
5989 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5991 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5993 mono_mb_emit_ldloc (mb, conv_arg);
5994 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
5996 /* We have nowhere to store the result */
5997 mono_mb_emit_byte (mb, CEE_POP);
6000 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
6002 mono_mb_emit_op (mb, CEE_CALL, get_instance);
6004 mono_mb_emit_ldloc (mb, conv_arg);
6006 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_native);
6008 mono_mb_patch_branch (mb, pos2);
6011 case MARSHAL_ACTION_PUSH:
6013 mono_mb_emit_ldloc_addr (mb, conv_arg);
6015 mono_mb_emit_ldloc (mb, conv_arg);
6018 case MARSHAL_ACTION_CONV_RESULT:
6019 loc1 = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6021 mono_mb_emit_stloc (mb, 3);
6023 mono_mb_emit_ldloc (mb, 3);
6024 mono_mb_emit_stloc (mb, loc1);
6026 /* Check for null */
6027 mono_mb_emit_ldloc (mb, 3);
6028 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6030 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
6032 mono_mb_emit_op (mb, CEE_CALL, get_instance);
6033 mono_mb_emit_byte (mb, CEE_DUP);
6035 mono_mb_emit_ldloc (mb, 3);
6036 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
6037 mono_mb_emit_stloc (mb, 3);
6039 mono_mb_emit_ldloc (mb, loc1);
6040 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_native);
6042 mono_mb_patch_branch (mb, pos2);
6045 case MARSHAL_ACTION_MANAGED_CONV_IN:
6046 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
6048 mono_mb_emit_byte (mb, CEE_LDNULL);
6049 mono_mb_emit_stloc (mb, conv_arg);
6051 if (t->byref && t->attrs & PARAM_ATTRIBUTE_OUT)
6054 /* Check for null */
6055 mono_mb_emit_ldarg (mb, argnum);
6057 mono_mb_emit_byte (mb, CEE_LDIND_I);
6058 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6060 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
6061 mono_mb_emit_op (mb, CEE_CALL, get_instance);
6063 mono_mb_emit_ldarg (mb, argnum);
6065 mono_mb_emit_byte (mb, CEE_LDIND_I);
6067 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
6068 mono_mb_emit_stloc (mb, conv_arg);
6070 mono_mb_patch_branch (mb, pos2);
6073 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
6074 g_assert (!t->byref);
6076 loc1 = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
6078 mono_mb_emit_stloc (mb, 3);
6080 mono_mb_emit_ldloc (mb, 3);
6081 mono_mb_emit_stloc (mb, loc1);
6083 /* Check for null */
6084 mono_mb_emit_ldloc (mb, 3);
6085 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6087 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
6088 mono_mb_emit_op (mb, CEE_CALL, get_instance);
6089 mono_mb_emit_byte (mb, CEE_DUP);
6091 mono_mb_emit_ldloc (mb, 3);
6092 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_managed_to_native);
6093 mono_mb_emit_stloc (mb, 3);
6095 mono_mb_emit_ldloc (mb, loc1);
6096 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_managed);
6098 mono_mb_patch_branch (mb, pos2);
6101 case MARSHAL_ACTION_MANAGED_CONV_OUT:
6103 /* Check for null */
6104 mono_mb_emit_ldloc (mb, conv_arg);
6105 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6108 mono_mb_emit_ldarg (mb, argnum);
6110 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
6112 mono_mb_emit_op (mb, CEE_CALL, get_instance);
6114 mono_mb_emit_ldloc (mb, conv_arg);
6115 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_managed_to_native);
6116 mono_mb_emit_byte (mb, CEE_STIND_I);
6119 /* Call CleanUpManagedData */
6120 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
6122 mono_mb_emit_op (mb, CEE_CALL, get_instance);
6124 mono_mb_emit_ldloc (mb, conv_arg);
6125 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_managed);
6127 mono_mb_patch_branch (mb, pos2);
6131 g_assert_not_reached ();
6139 emit_marshal_asany (EmitMarshalContext *m, int argnum, MonoType *t,
6140 MonoMarshalSpec *spec,
6141 int conv_arg, MonoType **conv_arg_type,
6142 MarshalAction action)
6145 MonoMethodBuilder *mb = m->mb;
6148 case MARSHAL_ACTION_CONV_IN: {
6149 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, NULL);
6151 g_assert (t->type == MONO_TYPE_OBJECT);
6152 g_assert (!t->byref);
6154 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6155 mono_mb_emit_ldarg (mb, argnum);
6156 mono_mb_emit_icon (mb, encoding);
6157 mono_mb_emit_icon (mb, t->attrs);
6158 mono_mb_emit_icall (mb, mono_marshal_asany);
6159 mono_mb_emit_stloc (mb, conv_arg);
6163 case MARSHAL_ACTION_PUSH:
6164 mono_mb_emit_ldloc (mb, conv_arg);
6167 case MARSHAL_ACTION_CONV_OUT: {
6168 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, NULL);
6170 mono_mb_emit_ldarg (mb, argnum);
6171 mono_mb_emit_ldloc (mb, conv_arg);
6172 mono_mb_emit_icon (mb, encoding);
6173 mono_mb_emit_icon (mb, t->attrs);
6174 mono_mb_emit_icall (mb, mono_marshal_free_asany);
6179 g_assert_not_reached ();
6186 emit_marshal_vtype (EmitMarshalContext *m, int argnum, MonoType *t,
6187 MonoMarshalSpec *spec,
6188 int conv_arg, MonoType **conv_arg_type,
6189 MarshalAction action)
6192 MonoMethodBuilder *mb = m->mb;
6193 MonoClass *klass, *date_time_class;
6196 klass = mono_class_from_mono_type (t);
6198 date_time_class = mono_class_from_name_cached (mono_defaults.corlib, "System", "DateTime");
6201 case MARSHAL_ACTION_CONV_IN:
6202 if (klass == date_time_class) {
6203 /* Convert it to an OLE DATE type */
6204 static MonoMethod *to_oadate;
6207 to_oadate = mono_class_get_method_from_name (date_time_class, "ToOADate", 0);
6208 g_assert (to_oadate);
6210 conv_arg = mono_mb_add_local (mb, &mono_defaults.double_class->byval_arg);
6213 mono_mb_emit_ldarg (mb, argnum);
6214 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6217 if (!(t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && (t->attrs & PARAM_ATTRIBUTE_OUT))) {
6219 m->csig->params [argnum - m->csig->hasthis] = &mono_defaults.double_class->byval_arg;
6221 mono_mb_emit_ldarg_addr (mb, argnum);
6222 mono_mb_emit_managed_call (mb, to_oadate, NULL);
6223 mono_mb_emit_stloc (mb, conv_arg);
6227 mono_mb_patch_branch (mb, pos);
6231 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6232 klass->blittable || klass->enumtype)
6235 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6237 /* store the address of the source into local variable 0 */
6239 mono_mb_emit_ldarg (mb, argnum);
6241 mono_mb_emit_ldarg_addr (mb, argnum);
6243 mono_mb_emit_stloc (mb, 0);
6245 /* allocate space for the native struct and
6246 * store the address into local variable 1 (dest) */
6247 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
6248 mono_mb_emit_byte (mb, CEE_PREFIX1);
6249 mono_mb_emit_byte (mb, CEE_LOCALLOC);
6250 mono_mb_emit_stloc (mb, conv_arg);
6253 mono_mb_emit_ldloc (mb, 0);
6254 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6257 if (!(t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && (t->attrs & PARAM_ATTRIBUTE_OUT))) {
6259 mono_mb_emit_ldloc (mb, conv_arg);
6260 mono_mb_emit_stloc (mb, 1);
6262 /* emit valuetype conversion code */
6263 emit_struct_conv (mb, klass, FALSE);
6267 mono_mb_patch_branch (mb, pos);
6270 case MARSHAL_ACTION_PUSH:
6271 if (spec && spec->native == MONO_NATIVE_LPSTRUCT) {
6273 g_assert (!t->byref);
6275 /* Have to change the signature since the vtype is passed byref */
6276 m->csig->params [argnum - m->csig->hasthis] = &mono_defaults.int_class->byval_arg;
6278 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6279 klass->blittable || klass->enumtype)
6280 mono_mb_emit_ldarg_addr (mb, argnum);
6282 mono_mb_emit_ldloc (mb, conv_arg);
6286 if (klass == date_time_class) {
6288 mono_mb_emit_ldloc_addr (mb, conv_arg);
6290 mono_mb_emit_ldloc (mb, conv_arg);
6294 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6295 klass->blittable || klass->enumtype) {
6296 mono_mb_emit_ldarg (mb, argnum);
6299 mono_mb_emit_ldloc (mb, conv_arg);
6301 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6302 mono_mb_emit_op (mb, CEE_MONO_LDNATIVEOBJ, klass);
6306 case MARSHAL_ACTION_CONV_OUT:
6307 if (klass == date_time_class) {
6308 /* Convert from an OLE DATE type */
6309 static MonoMethod *from_oadate;
6314 if (!((t->attrs & PARAM_ATTRIBUTE_IN) && !(t->attrs & PARAM_ATTRIBUTE_OUT))) {
6316 from_oadate = mono_class_get_method_from_name (date_time_class, "FromOADate", 1);
6317 g_assert (from_oadate);
6319 mono_mb_emit_ldarg (mb, argnum);
6320 mono_mb_emit_ldloc (mb, conv_arg);
6321 mono_mb_emit_managed_call (mb, from_oadate, NULL);
6322 mono_mb_emit_op (mb, CEE_STOBJ, date_time_class);
6327 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6328 klass->blittable || klass->enumtype)
6332 /* dst = argument */
6333 mono_mb_emit_ldarg (mb, argnum);
6334 mono_mb_emit_stloc (mb, 1);
6336 mono_mb_emit_ldloc (mb, 1);
6337 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6339 if (!((t->attrs & PARAM_ATTRIBUTE_IN) && !(t->attrs & PARAM_ATTRIBUTE_OUT))) {
6340 /* src = tmp_locals [i] */
6341 mono_mb_emit_ldloc (mb, conv_arg);
6342 mono_mb_emit_stloc (mb, 0);
6344 /* emit valuetype conversion code */
6345 emit_struct_conv (mb, klass, TRUE);
6349 emit_struct_free (mb, klass, conv_arg);
6352 mono_mb_patch_branch (mb, pos);
6355 case MARSHAL_ACTION_CONV_RESULT:
6356 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6358 mono_mb_emit_stloc (mb, 3);
6362 /* load pointer to returned value type */
6363 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6364 mono_mb_emit_byte (mb, CEE_MONO_VTADDR);
6365 /* store the address of the source into local variable 0 */
6366 mono_mb_emit_stloc (mb, 0);
6368 mono_mb_emit_ldloc_addr (mb, 3);
6369 mono_mb_emit_stloc (mb, 1);
6371 /* emit valuetype conversion code */
6372 emit_struct_conv (mb, klass, TRUE);
6375 case MARSHAL_ACTION_MANAGED_CONV_IN:
6376 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6377 klass->blittable || klass->enumtype) {
6382 conv_arg = mono_mb_add_local (mb, &klass->byval_arg);
6384 if (t->attrs & PARAM_ATTRIBUTE_OUT)
6388 mono_mb_emit_ldarg (mb, argnum);
6390 mono_mb_emit_ldarg_addr (mb, argnum);
6391 mono_mb_emit_stloc (mb, 0);
6394 mono_mb_emit_ldloc (mb, 0);
6395 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6398 mono_mb_emit_ldloc_addr (mb, conv_arg);
6399 mono_mb_emit_stloc (mb, 1);
6401 /* emit valuetype conversion code */
6402 emit_struct_conv (mb, klass, TRUE);
6405 mono_mb_patch_branch (mb, pos);
6408 case MARSHAL_ACTION_MANAGED_CONV_OUT:
6409 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6410 klass->blittable || klass->enumtype) {
6414 /* Check for null */
6415 mono_mb_emit_ldarg (mb, argnum);
6416 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6419 mono_mb_emit_ldloc_addr (mb, conv_arg);
6420 mono_mb_emit_stloc (mb, 0);
6423 mono_mb_emit_ldarg (mb, argnum);
6424 mono_mb_emit_stloc (mb, 1);
6426 /* emit valuetype conversion code */
6427 emit_struct_conv (mb, klass, FALSE);
6429 mono_mb_patch_branch (mb, pos2);
6432 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
6433 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6434 klass->blittable || klass->enumtype) {
6435 mono_mb_emit_stloc (mb, 3);
6440 /* load pointer to returned value type */
6441 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6442 mono_mb_emit_byte (mb, CEE_MONO_VTADDR);
6444 /* store the address of the source into local variable 0 */
6445 mono_mb_emit_stloc (mb, 0);
6446 /* allocate space for the native struct and
6447 * store the address into dst_ptr */
6448 m->retobj_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6449 m->retobj_class = klass;
6450 g_assert (m->retobj_var);
6451 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
6452 mono_mb_emit_byte (mb, CEE_CONV_I);
6453 mono_mb_emit_icall (mb, mono_marshal_alloc);
6454 mono_mb_emit_stloc (mb, 1);
6455 mono_mb_emit_ldloc (mb, 1);
6456 mono_mb_emit_stloc (mb, m->retobj_var);
6458 /* emit valuetype conversion code */
6459 emit_struct_conv (mb, klass, FALSE);
6463 g_assert_not_reached ();
6470 emit_marshal_string (EmitMarshalContext *m, int argnum, MonoType *t,
6471 MonoMarshalSpec *spec,
6472 int conv_arg, MonoType **conv_arg_type,
6473 MarshalAction action)
6477 case MARSHAL_ACTION_CONV_IN:
6478 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6480 case MARSHAL_ACTION_MANAGED_CONV_IN:
6481 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6485 MonoMethodBuilder *mb = m->mb;
6486 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
6487 MonoMarshalConv conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
6491 case MARSHAL_ACTION_CONV_IN:
6492 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6493 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6496 if (t->attrs & PARAM_ATTRIBUTE_OUT)
6499 mono_mb_emit_ldarg (mb, argnum);
6500 mono_mb_emit_byte (mb, CEE_LDIND_I);
6502 mono_mb_emit_ldarg (mb, argnum);
6506 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
6507 mono_mb_emit_exception_marshal_directive (mb, msg);
6509 mono_mb_emit_icall (mb, conv_to_icall (conv));
6511 mono_mb_emit_stloc (mb, conv_arg);
6515 case MARSHAL_ACTION_CONV_OUT:
6516 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
6518 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
6519 mono_mb_emit_exception_marshal_directive (mb, msg);
6523 if (encoding == MONO_NATIVE_VBBYREFSTR) {
6524 static MonoMethod *m;
6527 m = mono_class_get_method_from_name_flags (mono_defaults.string_class, "get_Length", -1, 0);
6532 char *msg = g_strdup_printf ("VBByRefStr marshalling requires a ref parameter.", encoding);
6533 mono_mb_emit_exception_marshal_directive (mb, msg);
6538 * Have to allocate a new string with the same length as the original, and
6539 * copy the contents of the buffer pointed to by CONV_ARG into it.
6541 g_assert (t->byref);
6542 mono_mb_emit_ldarg (mb, argnum);
6543 mono_mb_emit_ldloc (mb, conv_arg);
6544 mono_mb_emit_ldarg (mb, argnum);
6545 mono_mb_emit_byte (mb, CEE_LDIND_I);
6546 mono_mb_emit_managed_call (mb, m, NULL);
6547 mono_mb_emit_icall (mb, mono_string_new_len_wrapper);
6548 mono_mb_emit_byte (mb, CEE_STIND_REF);
6549 } else if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT || !(t->attrs & PARAM_ATTRIBUTE_IN))) {
6550 mono_mb_emit_ldarg (mb, argnum);
6551 mono_mb_emit_ldloc (mb, conv_arg);
6552 mono_mb_emit_icall (mb, conv_to_icall (conv));
6553 mono_mb_emit_byte (mb, CEE_STIND_REF);
6558 mono_mb_emit_ldloc (mb, conv_arg);
6559 if (conv == MONO_MARSHAL_CONV_BSTR_STR)
6560 mono_mb_emit_icall (mb, mono_free_bstr);
6562 mono_mb_emit_icall (mb, mono_marshal_free);
6566 case MARSHAL_ACTION_PUSH:
6567 if (t->byref && encoding != MONO_NATIVE_VBBYREFSTR)
6568 mono_mb_emit_ldloc_addr (mb, conv_arg);
6570 mono_mb_emit_ldloc (mb, conv_arg);
6573 case MARSHAL_ACTION_CONV_RESULT:
6574 mono_mb_emit_stloc (mb, 0);
6576 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
6578 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
6579 mono_mb_emit_exception_marshal_directive (mb, msg);
6583 mono_mb_emit_ldloc (mb, 0);
6584 mono_mb_emit_icall (mb, conv_to_icall (conv));
6585 mono_mb_emit_stloc (mb, 3);
6587 /* free the string */
6588 mono_mb_emit_ldloc (mb, 0);
6589 if (conv == MONO_MARSHAL_CONV_BSTR_STR)
6590 mono_mb_emit_icall (mb, mono_free_bstr);
6592 mono_mb_emit_icall (mb, mono_marshal_free);
6595 case MARSHAL_ACTION_MANAGED_CONV_IN:
6596 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
6598 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6601 if (t->attrs & PARAM_ATTRIBUTE_OUT)
6605 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
6607 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
6608 mono_mb_emit_exception_marshal_directive (mb, msg);
6612 mono_mb_emit_ldarg (mb, argnum);
6614 mono_mb_emit_byte (mb, CEE_LDIND_I);
6615 mono_mb_emit_icall (mb, conv_to_icall (conv));
6616 mono_mb_emit_stloc (mb, conv_arg);
6619 case MARSHAL_ACTION_MANAGED_CONV_OUT:
6622 mono_mb_emit_ldarg (mb, argnum);
6623 mono_mb_emit_ldloc (mb, conv_arg);
6624 mono_mb_emit_icall (mb, conv_to_icall (conv));
6625 mono_mb_emit_byte (mb, CEE_STIND_I);
6630 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
6631 if (conv_to_icall (conv) == mono_marshal_string_to_utf16)
6632 /* We need to make a copy so the caller is able to free it */
6633 mono_mb_emit_icall (mb, mono_marshal_string_to_utf16_copy);
6635 mono_mb_emit_icall (mb, conv_to_icall (conv));
6636 mono_mb_emit_stloc (mb, 3);
6640 g_assert_not_reached ();
6648 emit_marshal_safehandle (EmitMarshalContext *m, int argnum, MonoType *t,
6649 MonoMarshalSpec *spec, int conv_arg,
6650 MonoType **conv_arg_type, MarshalAction action)
6653 if (action == MARSHAL_ACTION_CONV_IN)
6654 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6656 MonoMethodBuilder *mb = m->mb;
6659 case MARSHAL_ACTION_CONV_IN: {
6660 MonoType *intptr_type;
6661 int dar_release_slot, pos;
6663 intptr_type = &mono_defaults.int_class->byval_arg;
6664 conv_arg = mono_mb_add_local (mb, intptr_type);
6665 *conv_arg_type = intptr_type;
6667 if (!sh_dangerous_add_ref)
6668 init_safe_handle ();
6670 mono_mb_emit_ldarg (mb, argnum);
6671 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
6672 mono_mb_emit_exception (mb, "ArgumentNullException", NULL);
6674 mono_mb_patch_branch (mb, pos);
6677 * My tests in show that ref SafeHandles are not really
6678 * passed as ref objects. Instead a NULL is passed as the
6681 mono_mb_emit_icon (mb, 0);
6682 mono_mb_emit_stloc (mb, conv_arg);
6686 /* Create local to hold the ref parameter to DangerousAddRef */
6687 dar_release_slot = mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
6689 /* set release = false; */
6690 mono_mb_emit_icon (mb, 0);
6691 mono_mb_emit_stloc (mb, dar_release_slot);
6693 /* safehandle.DangerousAddRef (ref release) */
6694 mono_mb_emit_ldarg (mb, argnum);
6695 mono_mb_emit_ldloc_addr (mb, dar_release_slot);
6696 mono_mb_emit_managed_call (mb, sh_dangerous_add_ref, NULL);
6698 /* Pull the handle field from SafeHandle */
6699 mono_mb_emit_ldarg (mb, argnum);
6700 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoSafeHandle, handle));
6701 mono_mb_emit_byte (mb, CEE_LDIND_I);
6702 mono_mb_emit_stloc (mb, conv_arg);
6707 case MARSHAL_ACTION_PUSH:
6709 mono_mb_emit_ldloc_addr (mb, conv_arg);
6711 mono_mb_emit_ldloc (mb, conv_arg);
6714 case MARSHAL_ACTION_CONV_OUT: {
6715 /* The slot for the boolean is the next temporary created after conv_arg, see the CONV_IN code */
6716 int dar_release_slot = conv_arg + 1;
6719 if (!sh_dangerous_release)
6720 init_safe_handle ();
6726 * My tests indicate that ref SafeHandles parameters are not actually
6727 * passed by ref, but instead a new Handle is created regardless of
6728 * whether a change happens in the unmanaged side.
6730 * Also, the Handle is created before calling into unmanaged code,
6731 * but we do not support that mechanism (getting to the original
6732 * handle) and it makes no difference where we create this
6734 ctor = mono_class_get_method_from_name (t->data.klass, ".ctor", 0);
6736 mono_mb_emit_exception (mb, "MissingMethodException", "paramterless constructor required");
6739 /* refval = new SafeHandleDerived ()*/
6740 mono_mb_emit_ldarg (mb, argnum);
6741 mono_mb_emit_op (mb, CEE_NEWOBJ, ctor);
6742 mono_mb_emit_byte (mb, CEE_STIND_REF);
6744 /* refval.handle = returned_handle */
6745 mono_mb_emit_ldarg (mb, argnum);
6746 mono_mb_emit_byte (mb, CEE_LDIND_REF);
6747 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoSafeHandle, handle));
6748 mono_mb_emit_ldloc (mb, conv_arg);
6749 mono_mb_emit_byte (mb, CEE_STIND_I);
6751 mono_mb_emit_ldloc (mb, dar_release_slot);
6752 label_next = mono_mb_emit_branch (mb, CEE_BRFALSE);
6753 mono_mb_emit_ldarg (mb, argnum);
6754 mono_mb_emit_managed_call (mb, sh_dangerous_release, NULL);
6755 mono_mb_patch_branch (mb, label_next);
6760 case MARSHAL_ACTION_CONV_RESULT: {
6761 MonoMethod *ctor = NULL;
6762 int intptr_handle_slot;
6764 if (t->data.klass->flags & TYPE_ATTRIBUTE_ABSTRACT){
6765 mono_mb_emit_byte (mb, CEE_POP);
6766 mono_mb_emit_exception_marshal_directive (mb, g_strdup ("Returned SafeHandles should not be abstract"));
6770 ctor = mono_class_get_method_from_name (t->data.klass, ".ctor", 0);
6772 mono_mb_emit_byte (mb, CEE_POP);
6773 mono_mb_emit_exception (mb, "MissingMethodException", "paramterless constructor required");
6776 /* Store the IntPtr results into a local */
6777 intptr_handle_slot = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6778 mono_mb_emit_stloc (mb, intptr_handle_slot);
6780 /* Create return value */
6781 mono_mb_emit_op (mb, CEE_NEWOBJ, ctor);
6782 mono_mb_emit_stloc (mb, 3);
6784 /* Set the return.handle to the value, am using ldflda, not sure if thats a good idea */
6785 mono_mb_emit_ldloc (mb, 3);
6786 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoSafeHandle, handle));
6787 mono_mb_emit_ldloc (mb, intptr_handle_slot);
6788 mono_mb_emit_byte (mb, CEE_STIND_I);
6792 case MARSHAL_ACTION_MANAGED_CONV_IN:
6793 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_IN\n");
6796 case MARSHAL_ACTION_MANAGED_CONV_OUT:
6797 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_OUT\n");
6800 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
6801 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_RESULT\n");
6804 printf ("Unhandled case for MarshalAction: %d\n", action);
6812 emit_marshal_handleref (EmitMarshalContext *m, int argnum, MonoType *t,
6813 MonoMarshalSpec *spec, int conv_arg,
6814 MonoType **conv_arg_type, MarshalAction action)
6817 if (action == MARSHAL_ACTION_CONV_IN)
6818 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6820 MonoMethodBuilder *mb = m->mb;
6823 case MARSHAL_ACTION_CONV_IN: {
6824 MonoType *intptr_type;
6826 intptr_type = &mono_defaults.int_class->byval_arg;
6827 conv_arg = mono_mb_add_local (mb, intptr_type);
6828 *conv_arg_type = intptr_type;
6831 char *msg = g_strdup ("HandleRefs can not be returned from unmanaged code (or passed by ref)");
6832 mono_mb_emit_exception_marshal_directive (mb, msg);
6835 mono_mb_emit_ldarg_addr (mb, argnum);
6836 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoHandleRef, handle));
6837 mono_mb_emit_byte (mb, CEE_ADD);
6838 mono_mb_emit_byte (mb, CEE_LDIND_I);
6839 mono_mb_emit_stloc (mb, conv_arg);
6843 case MARSHAL_ACTION_PUSH:
6844 mono_mb_emit_ldloc (mb, conv_arg);
6847 case MARSHAL_ACTION_CONV_OUT: {
6848 /* no resource release required */
6852 case MARSHAL_ACTION_CONV_RESULT: {
6853 char *msg = g_strdup ("HandleRefs can not be returned from unmanaged code (or passed by ref)");
6854 mono_mb_emit_exception_marshal_directive (mb, msg);
6858 case MARSHAL_ACTION_MANAGED_CONV_IN:
6859 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_IN\n");
6862 case MARSHAL_ACTION_MANAGED_CONV_OUT:
6863 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_OUT\n");
6866 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
6867 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_RESULT\n");
6870 fprintf (stderr, "Unhandled case for MarshalAction: %d\n", action);
6878 emit_marshal_object (EmitMarshalContext *m, int argnum, MonoType *t,
6879 MonoMarshalSpec *spec,
6880 int conv_arg, MonoType **conv_arg_type,
6881 MarshalAction action)
6884 if (action == MARSHAL_ACTION_CONV_IN)
6885 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6887 MonoMethodBuilder *mb = m->mb;
6888 MonoClass *klass = mono_class_from_mono_type (t);
6892 case MARSHAL_ACTION_CONV_IN:
6893 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6894 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6896 m->orig_conv_args [argnum] = 0;
6898 if (mono_class_from_mono_type (t) == mono_defaults.object_class) {
6899 char *msg = g_strdup_printf ("Marshalling of type object is not implemented");
6900 mono_mb_emit_exception_marshal_directive (mb, msg);
6904 if (klass->delegate) {
6906 if (!(t->attrs & PARAM_ATTRIBUTE_OUT)) {
6907 char *msg = g_strdup_printf ("Byref marshalling of delegates is not implemented.");
6908 mono_mb_emit_exception_marshal_directive (mb, msg);
6910 mono_mb_emit_byte (mb, CEE_LDNULL);
6911 mono_mb_emit_stloc (mb, conv_arg);
6913 mono_mb_emit_ldarg (mb, argnum);
6914 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_DEL_FTN));
6915 mono_mb_emit_stloc (mb, conv_arg);
6917 } else if (klass == mono_defaults.stringbuilder_class) {
6918 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
6919 MonoMarshalConv conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
6923 if (!(t->attrs & PARAM_ATTRIBUTE_OUT)) {
6924 char *msg = g_strdup_printf ("Byref marshalling of stringbuilders is not implemented.");
6925 mono_mb_emit_exception_marshal_directive (mb, msg);
6931 if (t->byref && !t->attrs & PARAM_ATTRIBUTE_IN && t->attrs & PARAM_ATTRIBUTE_OUT)
6935 char *msg = g_strdup_printf ("stringbuilder marshalling conversion %d not implemented", encoding);
6936 mono_mb_emit_exception_marshal_directive (mb, msg);
6940 mono_mb_emit_ldarg (mb, argnum);
6942 mono_mb_emit_byte (mb, CEE_LDIND_I);
6944 mono_mb_emit_icall (mb, conv_to_icall (conv));
6945 mono_mb_emit_stloc (mb, conv_arg);
6946 } else if (klass->blittable) {
6947 mono_mb_emit_byte (mb, CEE_LDNULL);
6948 mono_mb_emit_stloc (mb, conv_arg);
6950 mono_mb_emit_ldarg (mb, argnum);
6951 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6953 mono_mb_emit_ldarg (mb, argnum);
6954 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6955 mono_mb_emit_stloc (mb, conv_arg);
6957 mono_mb_patch_branch (mb, pos);
6960 mono_mb_emit_byte (mb, CEE_LDNULL);
6961 mono_mb_emit_stloc (mb, conv_arg);
6964 /* we dont need any conversions for out parameters */
6965 if (t->attrs & PARAM_ATTRIBUTE_OUT)
6968 mono_mb_emit_ldarg (mb, argnum);
6969 mono_mb_emit_byte (mb, CEE_LDIND_I);
6972 mono_mb_emit_ldarg (mb, argnum);
6973 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6974 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
6977 /* store the address of the source into local variable 0 */
6978 mono_mb_emit_stloc (mb, 0);
6979 mono_mb_emit_ldloc (mb, 0);
6980 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6982 /* allocate space for the native struct and store the address */
6983 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
6984 mono_mb_emit_byte (mb, CEE_PREFIX1);
6985 mono_mb_emit_byte (mb, CEE_LOCALLOC);
6986 mono_mb_emit_stloc (mb, conv_arg);
6989 /* Need to store the original buffer so we can free it later */
6990 m->orig_conv_args [argnum] = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6991 mono_mb_emit_ldloc (mb, conv_arg);
6992 mono_mb_emit_stloc (mb, m->orig_conv_args [argnum]);
6995 /* set the src_ptr */
6996 mono_mb_emit_ldloc (mb, 0);
6997 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6998 mono_mb_emit_stloc (mb, 0);
7001 mono_mb_emit_ldloc (mb, conv_arg);
7002 mono_mb_emit_stloc (mb, 1);
7004 /* emit valuetype conversion code */
7005 emit_struct_conv (mb, klass, FALSE);
7007 mono_mb_patch_branch (mb, pos);
7011 case MARSHAL_ACTION_CONV_OUT:
7012 if (klass == mono_defaults.stringbuilder_class) {
7014 MonoMarshalNative encoding;
7015 MonoMarshalConv conv;
7017 encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
7018 conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free);
7020 g_assert (encoding != -1);
7023 //g_assert (!(t->attrs & PARAM_ATTRIBUTE_OUT));
7027 mono_mb_emit_ldarg (mb, argnum);
7028 mono_mb_emit_ldloc (mb, conv_arg);
7031 case MONO_NATIVE_LPWSTR:
7032 mono_mb_emit_icall (mb, mono_string_utf16_to_builder2);
7034 case MONO_NATIVE_LPSTR:
7035 mono_mb_emit_icall (mb, mono_string_utf8_to_builder2);
7038 g_assert_not_reached ();
7041 mono_mb_emit_byte (mb, CEE_STIND_REF);
7043 mono_mb_emit_ldarg (mb, argnum);
7044 mono_mb_emit_ldloc (mb, conv_arg);
7046 mono_mb_emit_icall (mb, conv_to_icall (conv));
7050 mono_mb_emit_ldloc (mb, conv_arg);
7051 mono_mb_emit_icall (mb, mono_marshal_free);
7056 if (klass->delegate) {
7058 mono_mb_emit_ldarg (mb, argnum);
7059 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
7060 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
7061 mono_mb_emit_ldloc (mb, conv_arg);
7062 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_FTN_DEL));
7063 mono_mb_emit_byte (mb, CEE_STIND_REF);
7068 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT)) {
7069 /* allocate a new object */
7070 mono_mb_emit_ldarg (mb, argnum);
7071 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
7072 mono_mb_emit_op (mb, CEE_MONO_NEWOBJ, klass);
7073 mono_mb_emit_byte (mb, CEE_STIND_REF);
7076 /* dst = *argument */
7077 mono_mb_emit_ldarg (mb, argnum);
7080 mono_mb_emit_byte (mb, CEE_LDIND_I);
7082 mono_mb_emit_stloc (mb, 1);
7084 mono_mb_emit_ldloc (mb, 1);
7085 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
7087 if (t->byref || (t->attrs & PARAM_ATTRIBUTE_OUT)) {
7088 mono_mb_emit_ldloc (mb, 1);
7089 mono_mb_emit_icon (mb, sizeof (MonoObject));
7090 mono_mb_emit_byte (mb, CEE_ADD);
7091 mono_mb_emit_stloc (mb, 1);
7093 /* src = tmp_locals [i] */
7094 mono_mb_emit_ldloc (mb, conv_arg);
7095 mono_mb_emit_stloc (mb, 0);
7097 /* emit valuetype conversion code */
7098 emit_struct_conv (mb, klass, TRUE);
7100 /* Free the structure returned by the native code */
7101 emit_struct_free (mb, klass, conv_arg);
7103 if (m->orig_conv_args [argnum]) {
7105 * If the native function changed the pointer, then free
7106 * the original structure plus the new pointer.
7108 mono_mb_emit_ldloc (mb, m->orig_conv_args [argnum]);
7109 mono_mb_emit_ldloc (mb, conv_arg);
7110 pos2 = mono_mb_emit_branch (mb, CEE_BEQ);
7112 if (!(t->attrs & PARAM_ATTRIBUTE_OUT)) {
7113 g_assert (m->orig_conv_args [argnum]);
7115 emit_struct_free (mb, klass, m->orig_conv_args [argnum]);
7118 mono_mb_emit_ldloc (mb, conv_arg);
7119 mono_mb_emit_icall (mb, mono_marshal_free);
7121 mono_mb_patch_branch (mb, pos2);
7125 /* Free the original structure passed to native code */
7126 emit_struct_free (mb, klass, conv_arg);
7128 mono_mb_patch_branch (mb, pos);
7131 case MARSHAL_ACTION_PUSH:
7133 mono_mb_emit_ldloc_addr (mb, conv_arg);
7135 mono_mb_emit_ldloc (mb, conv_arg);
7138 case MARSHAL_ACTION_CONV_RESULT:
7139 if (klass->delegate) {
7140 g_assert (!t->byref);
7141 mono_mb_emit_stloc (mb, 0);
7142 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
7143 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
7144 mono_mb_emit_ldloc (mb, 0);
7145 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_FTN_DEL));
7146 mono_mb_emit_stloc (mb, 3);
7149 mono_mb_emit_stloc (mb, 0);
7151 /* Make a copy since emit_conv modifies local 0 */
7152 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7153 mono_mb_emit_ldloc (mb, 0);
7154 mono_mb_emit_stloc (mb, loc);
7156 mono_mb_emit_byte (mb, CEE_LDNULL);
7157 mono_mb_emit_stloc (mb, 3);
7159 mono_mb_emit_ldloc (mb, 0);
7160 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
7162 /* allocate result object */
7164 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
7165 mono_mb_emit_op (mb, CEE_MONO_NEWOBJ, klass);
7166 mono_mb_emit_stloc (mb, 3);
7170 mono_mb_emit_ldloc (mb, 3);
7171 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
7172 mono_mb_emit_stloc (mb, 1);
7174 /* emit conversion code */
7175 emit_struct_conv (mb, klass, TRUE);
7177 emit_struct_free (mb, klass, loc);
7179 /* Free the pointer allocated by unmanaged code */
7180 mono_mb_emit_ldloc (mb, loc);
7181 mono_mb_emit_icall (mb, mono_marshal_free);
7182 mono_mb_patch_branch (mb, pos);
7186 case MARSHAL_ACTION_MANAGED_CONV_IN:
7187 conv_arg = mono_mb_add_local (mb, &klass->byval_arg);
7189 if (klass->delegate) {
7190 g_assert (!t->byref);
7191 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
7192 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
7193 mono_mb_emit_ldarg (mb, argnum);
7194 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_FTN_DEL));
7195 mono_mb_emit_stloc (mb, conv_arg);
7199 if (klass == mono_defaults.stringbuilder_class) {
7200 MonoMarshalNative encoding;
7202 encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
7205 g_assert (encoding == MONO_NATIVE_LPSTR);
7207 g_assert (!t->byref);
7208 g_assert (encoding != -1);
7210 mono_mb_emit_ldarg (mb, argnum);
7211 mono_mb_emit_icall (mb, mono_string_utf8_to_builder2);
7212 mono_mb_emit_stloc (mb, conv_arg);
7216 /* The class can not have an automatic layout */
7217 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
7218 mono_mb_emit_auto_layout_exception (mb, klass);
7222 if (t->attrs & PARAM_ATTRIBUTE_OUT) {
7223 mono_mb_emit_byte (mb, CEE_LDNULL);
7224 mono_mb_emit_stloc (mb, conv_arg);
7229 mono_mb_emit_ldarg (mb, argnum);
7233 /* Check for NULL and raise an exception */
7234 pos2 = mono_mb_emit_branch (mb, CEE_BRTRUE);
7236 mono_mb_emit_exception (mb, "ArgumentNullException", NULL);
7238 mono_mb_patch_branch (mb, pos2);
7239 mono_mb_emit_ldarg (mb, argnum);
7240 mono_mb_emit_byte (mb, CEE_LDIND_I);
7243 mono_mb_emit_stloc (mb, 0);
7245 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7246 mono_mb_emit_stloc (mb, conv_arg);
7248 mono_mb_emit_ldloc (mb, 0);
7249 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
7251 /* Create and set dst */
7252 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
7253 mono_mb_emit_op (mb, CEE_MONO_NEWOBJ, klass);
7254 mono_mb_emit_stloc (mb, conv_arg);
7255 mono_mb_emit_ldloc (mb, conv_arg);
7256 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
7257 mono_mb_emit_stloc (mb, 1);
7259 /* emit valuetype conversion code */
7260 emit_struct_conv (mb, klass, TRUE);
7262 mono_mb_patch_branch (mb, pos);
7265 case MARSHAL_ACTION_MANAGED_CONV_OUT:
7267 /* Check for null */
7268 mono_mb_emit_ldloc (mb, conv_arg);
7269 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
7270 mono_mb_emit_ldarg (mb, argnum);
7271 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7272 mono_mb_emit_byte (mb, CEE_STIND_REF);
7273 pos2 = mono_mb_emit_branch (mb, CEE_BR);
7275 mono_mb_patch_branch (mb, pos);
7278 mono_mb_emit_ldloc (mb, conv_arg);
7279 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
7280 mono_mb_emit_stloc (mb, 0);
7282 /* Allocate and set dest */
7283 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
7284 mono_mb_emit_byte (mb, CEE_CONV_I);
7285 mono_mb_emit_icall (mb, mono_marshal_alloc);
7286 mono_mb_emit_stloc (mb, 1);
7288 /* Update argument pointer */
7289 mono_mb_emit_ldarg (mb, argnum);
7290 mono_mb_emit_ldloc (mb, 1);
7291 mono_mb_emit_byte (mb, CEE_STIND_I);
7293 /* emit valuetype conversion code */
7294 emit_struct_conv (mb, klass, FALSE);
7296 mono_mb_patch_branch (mb, pos2);
7298 /* byval [Out] marshalling */
7300 /* FIXME: Handle null */
7303 mono_mb_emit_ldloc (mb, conv_arg);
7304 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
7305 mono_mb_emit_stloc (mb, 0);
7308 mono_mb_emit_ldarg (mb, argnum);
7309 mono_mb_emit_stloc (mb, 1);
7311 /* emit valuetype conversion code */
7312 emit_struct_conv (mb, klass, FALSE);
7316 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
7317 if (klass->delegate) {
7318 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_DEL_FTN));
7319 mono_mb_emit_stloc (mb, 3);
7323 /* The class can not have an automatic layout */
7324 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
7325 mono_mb_emit_auto_layout_exception (mb, klass);
7329 mono_mb_emit_stloc (mb, 0);
7330 /* Check for null */
7331 mono_mb_emit_ldloc (mb, 0);
7332 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
7333 mono_mb_emit_byte (mb, CEE_LDNULL);
7334 mono_mb_emit_stloc (mb, 3);
7335 pos2 = mono_mb_emit_branch (mb, CEE_BR);
7337 mono_mb_patch_branch (mb, pos);
7340 mono_mb_emit_ldloc (mb, 0);
7341 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
7342 mono_mb_emit_stloc (mb, 0);
7344 /* Allocate and set dest */
7345 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
7346 mono_mb_emit_byte (mb, CEE_CONV_I);
7347 mono_mb_emit_icall (mb, mono_marshal_alloc);
7348 mono_mb_emit_byte (mb, CEE_DUP);
7349 mono_mb_emit_stloc (mb, 1);
7350 mono_mb_emit_stloc (mb, 3);
7352 emit_struct_conv (mb, klass, FALSE);
7354 mono_mb_patch_branch (mb, pos2);
7358 g_assert_not_reached ();
7369 emit_marshal_variant (EmitMarshalContext *m, int argnum, MonoType *t,
7370 MonoMarshalSpec *spec,
7371 int conv_arg, MonoType **conv_arg_type,
7372 MarshalAction action)
7374 MonoMethodBuilder *mb = m->mb;
7375 static MonoMethod *get_object_for_native_variant = NULL;
7376 static MonoMethod *get_native_variant_for_object = NULL;
7378 if (!get_object_for_native_variant)
7379 get_object_for_native_variant = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetObjectForNativeVariant", 1);
7380 g_assert (get_object_for_native_variant);
7382 if (!get_native_variant_for_object)
7383 get_native_variant_for_object = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetNativeVariantForObject", 2);
7384 g_assert (get_native_variant_for_object);
7387 case MARSHAL_ACTION_CONV_IN: {
7388 conv_arg = mono_mb_add_local (mb, &mono_class_get_variant_class ()->byval_arg);
7391 *conv_arg_type = &mono_class_get_variant_class ()->this_arg;
7393 *conv_arg_type = &mono_class_get_variant_class ()->byval_arg;
7395 if (t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && t->attrs & PARAM_ATTRIBUTE_OUT)
7398 mono_mb_emit_ldarg (mb, argnum);
7400 mono_mb_emit_byte(mb, CEE_LDIND_REF);
7401 mono_mb_emit_ldloc_addr (mb, conv_arg);
7402 mono_mb_emit_managed_call (mb, get_native_variant_for_object, NULL);
7406 case MARSHAL_ACTION_CONV_OUT: {
7407 static MonoMethod *variant_clear = NULL;
7410 variant_clear = mono_class_get_method_from_name (mono_class_get_variant_class (), "Clear", 0);
7411 g_assert (variant_clear);
7414 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT || !(t->attrs & PARAM_ATTRIBUTE_IN))) {
7415 mono_mb_emit_ldarg (mb, argnum);
7416 mono_mb_emit_ldloc_addr (mb, conv_arg);
7417 mono_mb_emit_managed_call (mb, get_object_for_native_variant, NULL);
7418 mono_mb_emit_byte (mb, CEE_STIND_REF);
7421 mono_mb_emit_ldloc_addr (mb, conv_arg);
7422 mono_mb_emit_managed_call (mb, variant_clear, NULL);
7426 case MARSHAL_ACTION_PUSH:
7428 mono_mb_emit_ldloc_addr (mb, conv_arg);
7430 mono_mb_emit_ldloc (mb, conv_arg);
7433 case MARSHAL_ACTION_CONV_RESULT: {
7434 char *msg = g_strdup ("Marshalling of VARIANT not supported as a return type.");
7435 mono_mb_emit_exception_marshal_directive (mb, msg);
7439 case MARSHAL_ACTION_MANAGED_CONV_IN: {
7440 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
7443 *conv_arg_type = &mono_class_get_variant_class ()->this_arg;
7445 *conv_arg_type = &mono_class_get_variant_class ()->byval_arg;
7447 if (t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && t->attrs & PARAM_ATTRIBUTE_OUT)
7451 mono_mb_emit_ldarg (mb, argnum);
7453 mono_mb_emit_ldarg_addr (mb, argnum);
7454 mono_mb_emit_managed_call (mb, get_object_for_native_variant, NULL);
7455 mono_mb_emit_stloc (mb, conv_arg);
7459 case MARSHAL_ACTION_MANAGED_CONV_OUT: {
7460 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT || !(t->attrs & PARAM_ATTRIBUTE_IN))) {
7461 mono_mb_emit_ldloc (mb, conv_arg);
7462 mono_mb_emit_ldarg (mb, argnum);
7463 mono_mb_emit_managed_call (mb, get_native_variant_for_object, NULL);
7468 case MARSHAL_ACTION_MANAGED_CONV_RESULT: {
7469 char *msg = g_strdup ("Marshalling of VARIANT not supported as a return type.");
7470 mono_mb_emit_exception_marshal_directive (mb, msg);
7475 g_assert_not_reached ();
7481 #endif /* DISABLE_COM */
7482 #endif /* DISABLE_JIT */
7485 mono_pinvoke_is_unicode (MonoMethodPInvoke *piinfo)
7487 switch (piinfo->piflags & PINVOKE_ATTRIBUTE_CHAR_SET_MASK) {
7488 case PINVOKE_ATTRIBUTE_CHAR_SET_ANSI:
7490 case PINVOKE_ATTRIBUTE_CHAR_SET_UNICODE:
7492 case PINVOKE_ATTRIBUTE_CHAR_SET_AUTO:
7504 emit_marshal_array (EmitMarshalContext *m, int argnum, MonoType *t,
7505 MonoMarshalSpec *spec,
7506 int conv_arg, MonoType **conv_arg_type,
7507 MarshalAction action)
7511 case MARSHAL_ACTION_CONV_IN:
7512 *conv_arg_type = &mono_defaults.object_class->byval_arg;
7514 case MARSHAL_ACTION_MANAGED_CONV_IN:
7515 *conv_arg_type = &mono_defaults.int_class->byval_arg;
7519 MonoMethodBuilder *mb = m->mb;
7520 MonoClass *klass = mono_class_from_mono_type (t);
7521 gboolean need_convert, need_free;
7522 MonoMarshalNative encoding;
7524 encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
7527 case MARSHAL_ACTION_CONV_IN:
7528 *conv_arg_type = &mono_defaults.object_class->byval_arg;
7529 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
7531 if (klass->element_class->blittable) {
7532 mono_mb_emit_ldarg (mb, argnum);
7534 mono_mb_emit_byte (mb, CEE_LDIND_I);
7535 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_ARRAY_LPARRAY));
7536 mono_mb_emit_stloc (mb, conv_arg);
7539 guint32 label1, label2, label3;
7540 int index_var, src_var, dest_ptr, esize;
7541 MonoMarshalConv conv;
7542 gboolean is_string = FALSE;
7544 dest_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7546 eklass = klass->element_class;
7548 if (eklass == mono_defaults.string_class) {
7550 conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
7552 else if (eklass == mono_defaults.stringbuilder_class) {
7554 conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
7559 if (is_string && conv == -1) {
7560 char *msg = g_strdup_printf ("string/stringbuilder marshalling conversion %d not implemented", encoding);
7561 mono_mb_emit_exception_marshal_directive (mb, msg);
7565 src_var = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
7566 mono_mb_emit_ldarg (mb, argnum);
7568 mono_mb_emit_byte (mb, CEE_LDIND_I);
7569 mono_mb_emit_stloc (mb, src_var);
7572 mono_mb_emit_ldloc (mb, src_var);
7573 mono_mb_emit_stloc (mb, conv_arg);
7574 mono_mb_emit_ldloc (mb, src_var);
7575 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
7578 esize = sizeof (gpointer);
7579 else if (eklass == mono_defaults.char_class) /*can't call mono_marshal_type_size since it causes all sorts of asserts*/
7580 esize = mono_pinvoke_is_unicode (m->piinfo) ? 2 : 1;
7582 esize = mono_class_native_size (eklass, NULL);
7584 /* allocate space for the native struct and store the address */
7585 mono_mb_emit_icon (mb, esize);
7586 mono_mb_emit_ldloc (mb, src_var);
7587 mono_mb_emit_byte (mb, CEE_LDLEN);
7589 if (eklass == mono_defaults.string_class) {
7590 /* Make the array bigger for the terminating null */
7591 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
7592 mono_mb_emit_byte (mb, CEE_ADD);
7594 mono_mb_emit_byte (mb, CEE_MUL);
7595 mono_mb_emit_byte (mb, CEE_PREFIX1);
7596 mono_mb_emit_byte (mb, CEE_LOCALLOC);
7597 mono_mb_emit_stloc (mb, conv_arg);
7599 mono_mb_emit_ldloc (mb, conv_arg);
7600 mono_mb_emit_stloc (mb, dest_ptr);
7602 /* Emit marshalling loop */
7603 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7604 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7605 mono_mb_emit_stloc (mb, index_var);
7606 label2 = mono_mb_get_label (mb);
7607 mono_mb_emit_ldloc (mb, index_var);
7608 mono_mb_emit_ldloc (mb, src_var);
7609 mono_mb_emit_byte (mb, CEE_LDLEN);
7610 label3 = mono_mb_emit_branch (mb, CEE_BGE);
7612 /* Emit marshalling code */
7615 mono_mb_emit_ldloc (mb, dest_ptr);
7616 mono_mb_emit_ldloc (mb, src_var);
7617 mono_mb_emit_ldloc (mb, index_var);
7618 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
7619 mono_mb_emit_icall (mb, conv_to_icall (conv));
7620 mono_mb_emit_byte (mb, CEE_STIND_I);
7622 /* set the src_ptr */
7623 mono_mb_emit_ldloc (mb, src_var);
7624 mono_mb_emit_ldloc (mb, index_var);
7625 mono_mb_emit_op (mb, CEE_LDELEMA, eklass);
7626 mono_mb_emit_stloc (mb, 0);
7629 mono_mb_emit_ldloc (mb, dest_ptr);
7630 mono_mb_emit_stloc (mb, 1);
7632 /* emit valuetype conversion code */
7633 emit_struct_conv_full (mb, eklass, FALSE, eklass == mono_defaults.char_class ? encoding : -1);
7636 mono_mb_emit_add_to_local (mb, index_var, 1);
7637 mono_mb_emit_add_to_local (mb, dest_ptr, esize);
7639 mono_mb_emit_branch_label (mb, CEE_BR, label2);
7641 mono_mb_patch_branch (mb, label3);
7643 if (eklass == mono_defaults.string_class) {
7644 /* Null terminate */
7645 mono_mb_emit_ldloc (mb, dest_ptr);
7646 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7647 mono_mb_emit_byte (mb, CEE_STIND_REF);
7650 mono_mb_patch_branch (mb, label1);
7655 case MARSHAL_ACTION_CONV_OUT:
7656 /* Unicode character arrays are implicitly marshalled as [Out] under MS.NET */
7657 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);
7658 need_free = mono_marshal_need_free (&klass->element_class->byval_arg,
7661 if (need_convert || need_free) {
7662 /* FIXME: Optimize blittable case */
7664 guint32 label1, label2, label3;
7665 int index_var, src_ptr, loc, esize;
7667 eklass = klass->element_class;
7668 if ((eklass == mono_defaults.stringbuilder_class) || (eklass == mono_defaults.string_class))
7669 esize = sizeof (gpointer);
7670 else if (eklass == mono_defaults.char_class)
7671 esize = mono_pinvoke_is_unicode (m->piinfo) ? 2 : 1;
7673 esize = mono_class_native_size (eklass, NULL);
7674 src_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7675 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7678 mono_mb_emit_ldarg (mb, argnum);
7680 mono_mb_emit_byte (mb, CEE_LDIND_I);
7681 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
7683 mono_mb_emit_ldloc (mb, conv_arg);
7684 mono_mb_emit_stloc (mb, src_ptr);
7686 /* Emit marshalling loop */
7687 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7688 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7689 mono_mb_emit_stloc (mb, index_var);
7690 label2 = mono_mb_get_label (mb);
7691 mono_mb_emit_ldloc (mb, index_var);
7692 mono_mb_emit_ldarg (mb, argnum);
7694 mono_mb_emit_byte (mb, CEE_LDIND_REF);
7695 mono_mb_emit_byte (mb, CEE_LDLEN);
7696 label3 = mono_mb_emit_branch (mb, CEE_BGE);
7698 /* Emit marshalling code */
7700 if (eklass == mono_defaults.stringbuilder_class) {
7701 gboolean need_free2;
7702 MonoMarshalConv conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free2);
7704 g_assert (conv != -1);
7707 mono_mb_emit_ldarg (mb, argnum);
7709 mono_mb_emit_byte (mb, CEE_LDIND_I);
7710 mono_mb_emit_ldloc (mb, index_var);
7711 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
7714 mono_mb_emit_ldloc (mb, src_ptr);
7715 mono_mb_emit_byte (mb, CEE_LDIND_I);
7717 mono_mb_emit_icall (mb, conv_to_icall (conv));
7721 mono_mb_emit_ldloc (mb, src_ptr);
7722 mono_mb_emit_byte (mb, CEE_LDIND_I);
7724 mono_mb_emit_icall (mb, mono_marshal_free);
7727 else if (eklass == mono_defaults.string_class) {
7730 mono_mb_emit_ldloc (mb, src_ptr);
7731 mono_mb_emit_byte (mb, CEE_LDIND_I);
7733 mono_mb_emit_icall (mb, mono_marshal_free);
7738 /* set the src_ptr */
7739 mono_mb_emit_ldloc (mb, src_ptr);
7740 mono_mb_emit_stloc (mb, 0);
7743 mono_mb_emit_ldarg (mb, argnum);
7745 mono_mb_emit_byte (mb, CEE_LDIND_REF);
7746 mono_mb_emit_ldloc (mb, index_var);
7747 mono_mb_emit_op (mb, CEE_LDELEMA, eklass);
7748 mono_mb_emit_stloc (mb, 1);
7750 /* emit valuetype conversion code */
7751 emit_struct_conv_full (mb, eklass, TRUE, eklass == mono_defaults.char_class ? encoding : -1);
7755 mono_mb_emit_ldloc (mb, src_ptr);
7756 mono_mb_emit_stloc (mb, loc);
7757 mono_mb_emit_ldloc (mb, loc);
7759 emit_struct_free (mb, eklass, loc);
7763 mono_mb_emit_add_to_local (mb, index_var, 1);
7764 mono_mb_emit_add_to_local (mb, src_ptr, esize);
7766 mono_mb_emit_branch_label (mb, CEE_BR, label2);
7768 mono_mb_patch_branch (mb, label1);
7769 mono_mb_patch_branch (mb, label3);
7772 if (klass->element_class->blittable) {
7773 /* free memory allocated (if any) by MONO_MARSHAL_CONV_ARRAY_LPARRAY */
7775 mono_mb_emit_ldarg (mb, argnum);
7776 mono_mb_emit_ldloc (mb, conv_arg);
7777 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_FREE_LPARRAY));
7782 case MARSHAL_ACTION_PUSH:
7784 mono_mb_emit_ldloc_addr (mb, conv_arg);
7786 mono_mb_emit_ldloc (mb, conv_arg);
7789 case MARSHAL_ACTION_CONV_RESULT:
7790 /* fixme: we need conversions here */
7791 mono_mb_emit_stloc (mb, 3);
7794 case MARSHAL_ACTION_MANAGED_CONV_IN: {
7796 guint32 label1, label2, label3;
7797 int index_var, src_ptr, loc, esize, param_num, num_elem;
7798 MonoMarshalConv conv;
7799 gboolean is_string = FALSE;
7801 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
7802 *conv_arg_type = &mono_defaults.int_class->byval_arg;
7805 char *msg = g_strdup ("Byref array marshalling to managed code is not implemented.");
7806 mono_mb_emit_exception_marshal_directive (mb, msg);
7810 char *msg = g_strdup ("[MarshalAs] attribute required to marshal arrays to managed code.");
7811 mono_mb_emit_exception_marshal_directive (mb, msg);
7814 if (spec->native != MONO_NATIVE_LPARRAY) {
7815 char *msg = g_strdup ("Non LPArray marshalling of arrays to managed code is not implemented.");
7816 mono_mb_emit_exception_marshal_directive (mb, msg);
7820 /* FIXME: t is from the method which is wrapped, not the delegate type */
7821 /* g_assert (t->attrs & PARAM_ATTRIBUTE_IN); */
7823 param_num = spec->data.array_data.param_num;
7824 num_elem = spec->data.array_data.num_elem;
7825 if (spec->data.array_data.elem_mult == 0)
7826 /* param_num is not specified */
7829 if (param_num == -1) {
7830 if (num_elem <= 0) {
7831 char *msg = g_strdup ("Either SizeConst or SizeParamIndex should be specified when marshalling arrays to managed code.");
7832 mono_mb_emit_exception_marshal_directive (mb, msg);
7837 /* FIXME: Optimize blittable case */
7839 eklass = klass->element_class;
7840 if (eklass == mono_defaults.string_class) {
7842 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
7844 else if (eklass == mono_defaults.stringbuilder_class) {
7846 conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free);
7851 mono_marshal_load_type_info (eklass);
7854 esize = sizeof (gpointer);
7856 esize = mono_class_native_size (eklass, NULL);
7857 src_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7858 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7860 mono_mb_emit_byte (mb, CEE_LDNULL);
7861 mono_mb_emit_stloc (mb, conv_arg);
7863 /* Check param index */
7864 if (param_num != -1) {
7865 if (param_num >= m->sig->param_count) {
7866 char *msg = g_strdup ("Array size control parameter index is out of range.");
7867 mono_mb_emit_exception_marshal_directive (mb, msg);
7870 switch (m->sig->params [param_num]->type) {
7883 char *msg = g_strdup ("Array size control parameter must be an integral type.");
7884 mono_mb_emit_exception_marshal_directive (mb, msg);
7891 mono_mb_emit_ldarg (mb, argnum);
7892 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
7894 mono_mb_emit_ldarg (mb, argnum);
7895 mono_mb_emit_stloc (mb, src_ptr);
7897 /* Create managed array */
7899 * The LPArray marshalling spec says that sometimes param_num starts
7900 * from 1, sometimes it starts from 0. But MS seems to allways start
7904 if (param_num == -1) {
7905 mono_mb_emit_icon (mb, num_elem);
7907 mono_mb_emit_ldarg (mb, param_num);
7909 mono_mb_emit_icon (mb, num_elem);
7910 mono_mb_emit_byte (mb, CEE_ADD);
7912 mono_mb_emit_byte (mb, CEE_CONV_OVF_I);
7915 mono_mb_emit_op (mb, CEE_NEWARR, eklass);
7916 mono_mb_emit_stloc (mb, conv_arg);
7918 if (eklass->blittable) {
7919 mono_mb_emit_ldloc (mb, conv_arg);
7920 mono_mb_emit_byte (mb, CEE_CONV_I);
7921 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArray, vector));
7922 mono_mb_emit_byte (mb, CEE_ADD);
7923 mono_mb_emit_ldarg (mb, argnum);
7924 mono_mb_emit_ldloc (mb, conv_arg);
7925 mono_mb_emit_byte (mb, CEE_LDLEN);
7926 mono_mb_emit_icon (mb, esize);
7927 mono_mb_emit_byte (mb, CEE_MUL);
7928 mono_mb_emit_byte (mb, CEE_PREFIX1);
7929 mono_mb_emit_byte (mb, CEE_CPBLK);
7933 /* Emit marshalling loop */
7934 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7935 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7936 mono_mb_emit_stloc (mb, index_var);
7937 label2 = mono_mb_get_label (mb);
7938 mono_mb_emit_ldloc (mb, index_var);
7939 mono_mb_emit_ldloc (mb, conv_arg);
7940 mono_mb_emit_byte (mb, CEE_LDLEN);
7941 label3 = mono_mb_emit_branch (mb, CEE_BGE);
7943 /* Emit marshalling code */
7945 g_assert (conv != -1);
7947 mono_mb_emit_ldloc (mb, conv_arg);
7948 mono_mb_emit_ldloc (mb, index_var);
7950 mono_mb_emit_ldloc (mb, src_ptr);
7951 mono_mb_emit_byte (mb, CEE_LDIND_I);
7953 mono_mb_emit_icall (mb, conv_to_icall (conv));
7954 mono_mb_emit_byte (mb, CEE_STELEM_REF);
7957 char *msg = g_strdup ("Marshalling of non-string and non-blittable arrays to managed code is not implemented.");
7958 mono_mb_emit_exception_marshal_directive (mb, msg);
7962 mono_mb_emit_add_to_local (mb, index_var, 1);
7963 mono_mb_emit_add_to_local (mb, src_ptr, esize);
7965 mono_mb_emit_branch_label (mb, CEE_BR, label2);
7967 mono_mb_patch_branch (mb, label1);
7968 mono_mb_patch_branch (mb, label3);
7972 case MARSHAL_ACTION_MANAGED_CONV_OUT: {
7974 guint32 label1, label2, label3;
7975 int index_var, dest_ptr, loc, esize, param_num, num_elem;
7976 MonoMarshalConv conv;
7977 gboolean is_string = FALSE;
7980 /* Already handled in CONV_IN */
7983 /* These are already checked in CONV_IN */
7984 g_assert (!t->byref);
7985 g_assert (spec->native == MONO_NATIVE_LPARRAY);
7986 g_assert (t->attrs & PARAM_ATTRIBUTE_OUT);
7988 param_num = spec->data.array_data.param_num;
7989 num_elem = spec->data.array_data.num_elem;
7991 if (spec->data.array_data.elem_mult == 0)
7992 /* param_num is not specified */
7995 if (param_num == -1) {
7996 if (num_elem <= 0) {
7997 g_assert_not_reached ();
8001 /* FIXME: Optimize blittable case */
8003 eklass = klass->element_class;
8004 if (eklass == mono_defaults.string_class) {
8006 conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
8008 else if (eklass == mono_defaults.stringbuilder_class) {
8010 conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
8015 mono_marshal_load_type_info (eklass);
8018 esize = sizeof (gpointer);
8020 esize = mono_class_native_size (eklass, NULL);
8022 dest_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8023 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8026 mono_mb_emit_ldloc (mb, conv_arg);
8027 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
8029 mono_mb_emit_ldarg (mb, argnum);
8030 mono_mb_emit_stloc (mb, dest_ptr);
8032 if (eklass->blittable) {
8034 mono_mb_emit_ldarg (mb, argnum);
8036 mono_mb_emit_ldloc (mb, conv_arg);
8037 mono_mb_emit_byte (mb, CEE_CONV_I);
8038 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArray, vector));
8039 mono_mb_emit_byte (mb, CEE_ADD);
8041 mono_mb_emit_ldloc (mb, conv_arg);
8042 mono_mb_emit_byte (mb, CEE_LDLEN);
8043 mono_mb_emit_icon (mb, esize);
8044 mono_mb_emit_byte (mb, CEE_MUL);
8045 mono_mb_emit_byte (mb, CEE_PREFIX1);
8046 mono_mb_emit_byte (mb, CEE_CPBLK);
8050 /* Emit marshalling loop */
8051 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8052 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
8053 mono_mb_emit_stloc (mb, index_var);
8054 label2 = mono_mb_get_label (mb);
8055 mono_mb_emit_ldloc (mb, index_var);
8056 mono_mb_emit_ldloc (mb, conv_arg);
8057 mono_mb_emit_byte (mb, CEE_LDLEN);
8058 label3 = mono_mb_emit_branch (mb, CEE_BGE);
8060 /* Emit marshalling code */
8062 g_assert (conv != -1);
8065 mono_mb_emit_ldloc (mb, dest_ptr);
8068 mono_mb_emit_ldloc (mb, conv_arg);
8069 mono_mb_emit_ldloc (mb, index_var);
8071 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
8073 mono_mb_emit_icall (mb, conv_to_icall (conv));
8074 mono_mb_emit_byte (mb, CEE_STIND_I);
8077 char *msg = g_strdup ("Marshalling of non-string and non-blittable arrays to managed code is not implemented.");
8078 mono_mb_emit_exception_marshal_directive (mb, msg);
8082 mono_mb_emit_add_to_local (mb, index_var, 1);
8083 mono_mb_emit_add_to_local (mb, dest_ptr, esize);
8085 mono_mb_emit_branch_label (mb, CEE_BR, label2);
8087 mono_mb_patch_branch (mb, label1);
8088 mono_mb_patch_branch (mb, label3);
8092 case MARSHAL_ACTION_MANAGED_CONV_RESULT: {
8094 guint32 label1, label2, label3;
8095 int index_var, src, dest, esize;
8096 MonoMarshalConv conv = -1;
8097 gboolean is_string = FALSE;
8099 g_assert (!t->byref);
8101 eklass = klass->element_class;
8103 mono_marshal_load_type_info (eklass);
8105 if (eklass == mono_defaults.string_class) {
8107 conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
8110 g_assert_not_reached ();
8114 esize = sizeof (gpointer);
8115 else if (eklass == mono_defaults.char_class)
8116 esize = mono_pinvoke_is_unicode (m->piinfo) ? 2 : 1;
8118 esize = mono_class_native_size (eklass, NULL);
8120 src = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
8121 dest = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8123 mono_mb_emit_stloc (mb, src);
8124 mono_mb_emit_ldloc (mb, src);
8125 mono_mb_emit_stloc (mb, 3);
8127 /* Check for null */
8128 mono_mb_emit_ldloc (mb, src);
8129 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
8131 /* Allocate native array */
8132 mono_mb_emit_icon (mb, esize);
8133 mono_mb_emit_ldloc (mb, src);
8134 mono_mb_emit_byte (mb, CEE_LDLEN);
8136 if (eklass == mono_defaults.string_class) {
8137 /* Make the array bigger for the terminating null */
8138 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
8139 mono_mb_emit_byte (mb, CEE_ADD);
8141 mono_mb_emit_byte (mb, CEE_MUL);
8142 mono_mb_emit_icall (mb, mono_marshal_alloc);
8143 mono_mb_emit_stloc (mb, dest);
8144 mono_mb_emit_ldloc (mb, dest);
8145 mono_mb_emit_stloc (mb, 3);
8147 /* Emit marshalling loop */
8148 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8149 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
8150 mono_mb_emit_stloc (mb, index_var);
8151 label2 = mono_mb_get_label (mb);
8152 mono_mb_emit_ldloc (mb, index_var);
8153 mono_mb_emit_ldloc (mb, src);
8154 mono_mb_emit_byte (mb, CEE_LDLEN);
8155 label3 = mono_mb_emit_branch (mb, CEE_BGE);
8157 /* Emit marshalling code */
8159 g_assert (conv != -1);
8162 mono_mb_emit_ldloc (mb, dest);
8165 mono_mb_emit_ldloc (mb, src);
8166 mono_mb_emit_ldloc (mb, index_var);
8168 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
8170 mono_mb_emit_icall (mb, conv_to_icall (conv));
8171 mono_mb_emit_byte (mb, CEE_STIND_I);
8174 char *msg = g_strdup ("Marshalling of non-string arrays to managed code is not implemented.");
8175 mono_mb_emit_exception_marshal_directive (mb, msg);
8179 mono_mb_emit_add_to_local (mb, index_var, 1);
8180 mono_mb_emit_add_to_local (mb, dest, esize);
8182 mono_mb_emit_branch_label (mb, CEE_BR, label2);
8184 mono_mb_patch_branch (mb, label3);
8185 mono_mb_patch_branch (mb, label1);
8189 g_assert_not_reached ();
8196 marshal_boolean_conv_in_get_local_type (MonoMarshalSpec *spec, guint8 *ldc_op /*out*/)
8199 return &mono_defaults.int32_class->byval_arg;
8201 switch (spec->native) {
8202 case MONO_NATIVE_I1:
8203 case MONO_NATIVE_U1:
8204 return &mono_defaults.byte_class->byval_arg;
8205 case MONO_NATIVE_VARIANTBOOL:
8206 if (ldc_op) *ldc_op = CEE_LDC_I4_M1;
8207 return &mono_defaults.int16_class->byval_arg;
8208 case MONO_NATIVE_BOOLEAN:
8209 return &mono_defaults.int32_class->byval_arg;
8211 g_warning ("marshalling bool as native type %x is currently not supported", spec->native);
8212 return &mono_defaults.int32_class->byval_arg;
8218 marshal_boolean_managed_conv_in_get_conv_arg_class (MonoMarshalSpec *spec, guint8 *ldop/*out*/)
8220 MonoClass* conv_arg_class = mono_defaults.int32_class;
8222 switch (spec->native) {
8223 case MONO_NATIVE_I1:
8224 case MONO_NATIVE_U1:
8225 conv_arg_class = mono_defaults.byte_class;
8226 if (ldop) *ldop = CEE_LDIND_I1;
8228 case MONO_NATIVE_VARIANTBOOL:
8229 conv_arg_class = mono_defaults.int16_class;
8230 if (ldop) *ldop = CEE_LDIND_I2;
8232 case MONO_NATIVE_BOOLEAN:
8235 g_warning ("marshalling bool as native type %x is currently not supported", spec->native);
8238 return conv_arg_class;
8242 emit_marshal_boolean (EmitMarshalContext *m, int argnum, MonoType *t,
8243 MonoMarshalSpec *spec,
8244 int conv_arg, MonoType **conv_arg_type,
8245 MarshalAction action)
8249 case MARSHAL_ACTION_CONV_IN:
8251 *conv_arg_type = &mono_defaults.int_class->byval_arg;
8253 *conv_arg_type = marshal_boolean_conv_in_get_local_type (spec, NULL);
8256 case MARSHAL_ACTION_MANAGED_CONV_IN: {
8257 MonoClass* conv_arg_class = marshal_boolean_managed_conv_in_get_conv_arg_class (spec, NULL);
8259 *conv_arg_type = &conv_arg_class->this_arg;
8261 *conv_arg_type = &conv_arg_class->byval_arg;
8267 MonoMethodBuilder *mb = m->mb;
8270 case MARSHAL_ACTION_CONV_IN: {
8271 MonoType *local_type;
8273 guint8 ldc_op = CEE_LDC_I4_1;
8275 local_type = marshal_boolean_conv_in_get_local_type (spec, &ldc_op);
8277 *conv_arg_type = &mono_defaults.int_class->byval_arg;
8279 *conv_arg_type = local_type;
8280 conv_arg = mono_mb_add_local (mb, local_type);
8282 mono_mb_emit_ldarg (mb, argnum);
8284 mono_mb_emit_byte (mb, CEE_LDIND_I1);
8285 label_false = mono_mb_emit_branch (mb, CEE_BRFALSE);
8286 mono_mb_emit_byte (mb, ldc_op);
8287 mono_mb_emit_stloc (mb, conv_arg);
8288 mono_mb_patch_branch (mb, label_false);
8293 case MARSHAL_ACTION_CONV_OUT:
8295 int label_false, label_end;
8299 mono_mb_emit_ldarg (mb, argnum);
8300 mono_mb_emit_ldloc (mb, conv_arg);
8302 label_false = mono_mb_emit_branch (mb, CEE_BRFALSE);
8303 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
8305 label_end = mono_mb_emit_branch (mb, CEE_BR);
8306 mono_mb_patch_branch (mb, label_false);
8307 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
8308 mono_mb_patch_branch (mb, label_end);
8310 mono_mb_emit_byte (mb, CEE_STIND_I1);
8314 case MARSHAL_ACTION_PUSH:
8316 mono_mb_emit_ldloc_addr (mb, conv_arg);
8318 mono_mb_emit_ldloc (mb, conv_arg);
8320 mono_mb_emit_ldarg (mb, argnum);
8323 case MARSHAL_ACTION_CONV_RESULT:
8324 /* maybe we need to make sure that it fits within 8 bits */
8325 mono_mb_emit_stloc (mb, 3);
8328 case MARSHAL_ACTION_MANAGED_CONV_IN: {
8329 MonoClass* conv_arg_class = mono_defaults.int32_class;
8330 guint8 ldop = CEE_LDIND_I4;
8331 int label_null, label_false;
8333 conv_arg_class = marshal_boolean_managed_conv_in_get_conv_arg_class (spec, &ldop);
8334 conv_arg = mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
8337 *conv_arg_type = &conv_arg_class->this_arg;
8339 *conv_arg_type = &conv_arg_class->byval_arg;
8342 mono_mb_emit_ldarg (mb, argnum);
8346 label_null = mono_mb_emit_branch (mb, CEE_BRFALSE);
8347 mono_mb_emit_ldarg (mb, argnum);
8348 mono_mb_emit_byte (mb, ldop);
8352 label_false = mono_mb_emit_branch (mb, CEE_BRFALSE);
8353 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
8354 mono_mb_emit_stloc (mb, conv_arg);
8355 mono_mb_patch_branch (mb, label_false);
8358 mono_mb_patch_branch (mb, label_null);
8362 case MARSHAL_ACTION_MANAGED_CONV_OUT: {
8363 guint8 stop = CEE_STIND_I4;
8364 guint8 ldc_op = CEE_LDC_I4_1;
8365 int label_null,label_false, label_end;;
8370 switch (spec->native) {
8371 case MONO_NATIVE_I1:
8372 case MONO_NATIVE_U1:
8373 stop = CEE_STIND_I1;
8375 case MONO_NATIVE_VARIANTBOOL:
8376 stop = CEE_STIND_I2;
8377 ldc_op = CEE_LDC_I4_M1;
8385 mono_mb_emit_ldarg (mb, argnum);
8386 label_null = mono_mb_emit_branch (mb, CEE_BRFALSE);
8388 mono_mb_emit_ldarg (mb, argnum);
8389 mono_mb_emit_ldloc (mb, conv_arg);
8391 label_false = mono_mb_emit_branch (mb, CEE_BRFALSE);
8392 mono_mb_emit_byte (mb, ldc_op);
8393 label_end = mono_mb_emit_branch (mb, CEE_BR);
8395 mono_mb_patch_branch (mb, label_false);
8396 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
8397 mono_mb_patch_branch (mb, label_end);
8399 mono_mb_emit_byte (mb, stop);
8400 mono_mb_patch_branch (mb, label_null);
8405 g_assert_not_reached ();
8412 emit_marshal_ptr (EmitMarshalContext *m, int argnum, MonoType *t,
8413 MonoMarshalSpec *spec, int conv_arg,
8414 MonoType **conv_arg_type, MarshalAction action)
8417 MonoMethodBuilder *mb = m->mb;
8420 case MARSHAL_ACTION_CONV_IN:
8421 /* MS seems to allow this in some cases, ie. bxc #158 */
8423 if (MONO_TYPE_ISSTRUCT (t->data.type) && !mono_class_from_mono_type (t->data.type)->blittable) {
8424 char *msg = g_strdup_printf ("Can not marshal 'parameter #%d': Pointers can not reference marshaled structures. Use byref instead.", argnum + 1);
8425 mono_mb_emit_exception_marshal_directive (m->mb, msg);
8430 case MARSHAL_ACTION_PUSH:
8431 mono_mb_emit_ldarg (mb, argnum);
8434 case MARSHAL_ACTION_CONV_RESULT:
8435 /* no conversions necessary */
8436 mono_mb_emit_stloc (mb, 3);
8447 emit_marshal_char (EmitMarshalContext *m, int argnum, MonoType *t,
8448 MonoMarshalSpec *spec, int conv_arg,
8449 MonoType **conv_arg_type, MarshalAction action)
8452 MonoMethodBuilder *mb = m->mb;
8455 case MARSHAL_ACTION_PUSH:
8456 /* fixme: dont know how to marshal that. We cant simply
8457 * convert it to a one byte UTF8 character, because an
8458 * unicode character may need more that one byte in UTF8 */
8459 mono_mb_emit_ldarg (mb, argnum);
8462 case MARSHAL_ACTION_CONV_RESULT:
8463 /* fixme: we need conversions here */
8464 mono_mb_emit_stloc (mb, 3);
8475 emit_marshal_scalar (EmitMarshalContext *m, int argnum, MonoType *t,
8476 MonoMarshalSpec *spec, int conv_arg,
8477 MonoType **conv_arg_type, MarshalAction action)
8480 MonoMethodBuilder *mb = m->mb;
8483 case MARSHAL_ACTION_PUSH:
8484 mono_mb_emit_ldarg (mb, argnum);
8487 case MARSHAL_ACTION_CONV_RESULT:
8488 /* no conversions necessary */
8489 mono_mb_emit_stloc (mb, 3);
8500 emit_marshal (EmitMarshalContext *m, int argnum, MonoType *t,
8501 MonoMarshalSpec *spec, int conv_arg,
8502 MonoType **conv_arg_type, MarshalAction action)
8504 /* Ensure that we have marshalling info for this param */
8505 mono_marshal_load_type_info (mono_class_from_mono_type (t));
8507 if (spec && spec->native == MONO_NATIVE_CUSTOM)
8508 return emit_marshal_custom (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8510 if (spec && spec->native == MONO_NATIVE_ASANY)
8511 return emit_marshal_asany (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8514 case MONO_TYPE_VALUETYPE:
8515 if (t->data.klass == mono_defaults.handleref_class)
8516 return emit_marshal_handleref (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8518 return emit_marshal_vtype (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8519 case MONO_TYPE_STRING:
8520 return emit_marshal_string (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8521 case MONO_TYPE_CLASS:
8522 case MONO_TYPE_OBJECT:
8524 if (spec && spec->native == MONO_NATIVE_STRUCT)
8525 return emit_marshal_variant (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8527 if (spec && (spec->native == MONO_NATIVE_IUNKNOWN ||
8528 spec->native == MONO_NATIVE_IDISPATCH ||
8529 spec->native == MONO_NATIVE_INTERFACE))
8530 return mono_cominterop_emit_marshal_com_interface (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8531 if (spec && (spec->native == MONO_NATIVE_SAFEARRAY) &&
8532 (spec->data.safearray_data.elem_type == MONO_VARIANT_VARIANT) &&
8533 ((action == MARSHAL_ACTION_CONV_OUT) || (action == MARSHAL_ACTION_CONV_IN) || (action == MARSHAL_ACTION_PUSH)))
8534 return mono_cominterop_emit_marshal_safearray (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8537 if (mono_defaults.safehandle_class != NULL && t->data.klass &&
8538 mono_class_is_subclass_of (t->data.klass, mono_defaults.safehandle_class, FALSE))
8539 return emit_marshal_safehandle (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8541 return emit_marshal_object (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8542 case MONO_TYPE_ARRAY:
8543 case MONO_TYPE_SZARRAY:
8544 return emit_marshal_array (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8545 case MONO_TYPE_BOOLEAN:
8546 return emit_marshal_boolean (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8548 return emit_marshal_ptr (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8549 case MONO_TYPE_CHAR:
8550 return emit_marshal_char (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8563 case MONO_TYPE_FNPTR:
8564 return emit_marshal_scalar (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8565 case MONO_TYPE_GENERICINST:
8566 if (mono_type_generic_inst_is_valuetype (t))
8567 return emit_marshal_vtype (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8569 return emit_marshal_object (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8576 * mono_marshal_emit_native_wrapper:
8577 * @image: the image to use for looking up custom marshallers
8578 * @sig: The signature of the native function
8579 * @piinfo: Marshalling information
8580 * @mspecs: Marshalling information
8581 * @aot: whenever the created method will be compiled by the AOT compiler
8582 * @method: if non-NULL, the pinvoke method to call
8583 * @check_exceptions: Whenever to check for pending exceptions after the native call
8584 * @func_param: the function to call is passed as a boxed IntPtr as the first parameter
8586 * generates IL code for the pinvoke wrapper, the generated code calls @func.
8589 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)
8591 EmitMarshalContext m;
8592 MonoMethodSignature *csig;
8594 int i, argnum, *tmp_locals;
8595 int type, param_shift = 0;
8596 static MonoMethodSignature *get_last_error_sig = NULL;
8601 /* we copy the signature, so that we can set pinvoke to 0 */
8603 /* The function address is passed as the first argument */
8604 g_assert (!sig->hasthis);
8607 csig = signature_dup (mb->method->klass->image, sig);
8615 /* we allocate local for use with emit_struct_conv() */
8616 /* allocate local 0 (pointer) src_ptr */
8617 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8618 /* allocate local 1 (pointer) dst_ptr */
8619 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8620 /* allocate local 2 (boolean) delete_old */
8621 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
8623 /* delete_old = FALSE */
8624 mono_mb_emit_icon (mb, 0);
8625 mono_mb_emit_stloc (mb, 2);
8627 if (!MONO_TYPE_IS_VOID(sig->ret)) {
8628 /* allocate local 3 to store the return value */
8629 mono_mb_add_local (mb, sig->ret);
8632 if (mspecs [0] && mspecs [0]->native == MONO_NATIVE_CUSTOM) {
8633 /* Return type custom marshaling */
8635 * Since we can't determine the return type of the unmanaged function,
8636 * we assume it returns a pointer, and pass that pointer to
8637 * MarshalNativeToManaged.
8639 csig->ret = &mono_defaults.int_class->byval_arg;
8642 /* we first do all conversions */
8643 tmp_locals = alloca (sizeof (int) * sig->param_count);
8644 m.orig_conv_args = alloca (sizeof (int) * (sig->param_count + 1));
8646 for (i = 0; i < sig->param_count; i ++) {
8647 tmp_locals [i] = emit_marshal (&m, i + param_shift, sig->params [i], mspecs [i + 1], 0, &csig->params [i], MARSHAL_ACTION_CONV_IN);
8650 /* push all arguments */
8653 mono_mb_emit_byte (mb, CEE_LDARG_0);
8655 for (i = 0; i < sig->param_count; i++) {
8656 emit_marshal (&m, i + param_shift, sig->params [i], mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_PUSH);
8659 /* call the native method */
8661 mono_mb_emit_byte (mb, CEE_LDARG_0);
8662 mono_mb_emit_op (mb, CEE_UNBOX, mono_defaults.int_class);
8663 mono_mb_emit_byte (mb, CEE_LDIND_I);
8664 mono_mb_emit_calli (mb, csig);
8665 } else if (MONO_CLASS_IS_IMPORT (mb->method->klass)) {
8667 mono_mb_emit_cominterop_call (mb, csig, &piinfo->method);
8669 g_assert_not_reached ();
8674 /* Reuse the ICALL_ADDR opcode for pinvokes too */
8675 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
8676 mono_mb_emit_op (mb, CEE_MONO_ICALL_ADDR, &piinfo->method);
8677 mono_mb_emit_calli (mb, csig);
8679 mono_mb_emit_native_call (mb, csig, func);
8683 /* Set LastError if needed */
8684 if (piinfo->piflags & PINVOKE_ATTRIBUTE_SUPPORTS_LAST_ERROR) {
8685 if (!get_last_error_sig) {
8686 get_last_error_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
8687 get_last_error_sig->ret = &mono_defaults.int_class->byval_arg;
8688 get_last_error_sig->pinvoke = 1;
8693 * Have to call GetLastError () early and without a wrapper, since various runtime components could
8694 * clobber its value.
8696 mono_mb_emit_native_call (mb, get_last_error_sig, GetLastError);
8697 mono_mb_emit_icall (mb, mono_marshal_set_last_error_windows);
8699 mono_mb_emit_icall (mb, mono_marshal_set_last_error);
8703 /* convert the result */
8704 if (!sig->ret->byref) {
8705 MonoMarshalSpec *spec = mspecs [0];
8706 type = sig->ret->type;
8708 if (spec && spec->native == MONO_NATIVE_CUSTOM) {
8709 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
8714 case MONO_TYPE_VOID:
8716 case MONO_TYPE_VALUETYPE:
8717 klass = sig->ret->data.klass;
8718 if (klass->enumtype) {
8719 type = mono_class_enum_basetype (sig->ret->data.klass)->type;
8722 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
8736 case MONO_TYPE_FNPTR:
8737 case MONO_TYPE_STRING:
8738 case MONO_TYPE_CLASS:
8739 case MONO_TYPE_OBJECT:
8740 case MONO_TYPE_BOOLEAN:
8741 case MONO_TYPE_ARRAY:
8742 case MONO_TYPE_SZARRAY:
8743 case MONO_TYPE_CHAR:
8745 case MONO_TYPE_GENERICINST:
8746 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
8748 case MONO_TYPE_TYPEDBYREF:
8750 g_warning ("return type 0x%02x unknown", sig->ret->type);
8751 g_assert_not_reached ();
8755 mono_mb_emit_stloc (mb, 3);
8759 * Need to call this after converting the result since MONO_VTADDR needs
8760 * to be adjacent to the call instruction.
8762 if (check_exceptions)
8763 emit_thread_interrupt_checkpoint (mb);
8765 /* we need to convert byref arguments back and free string arrays */
8766 for (i = 0; i < sig->param_count; i++) {
8767 MonoType *t = sig->params [i];
8768 MonoMarshalSpec *spec = mspecs [i + 1];
8770 argnum = i + param_shift;
8772 if (spec && ((spec->native == MONO_NATIVE_CUSTOM) || (spec->native == MONO_NATIVE_ASANY))) {
8773 emit_marshal (&m, argnum, t, spec, tmp_locals [i], NULL, MARSHAL_ACTION_CONV_OUT);
8778 case MONO_TYPE_STRING:
8779 case MONO_TYPE_VALUETYPE:
8780 case MONO_TYPE_CLASS:
8781 case MONO_TYPE_OBJECT:
8782 case MONO_TYPE_SZARRAY:
8783 case MONO_TYPE_BOOLEAN:
8784 emit_marshal (&m, argnum, t, spec, tmp_locals [i], NULL, MARSHAL_ACTION_CONV_OUT);
8789 if (!MONO_TYPE_IS_VOID(sig->ret))
8790 mono_mb_emit_ldloc (mb, 3);
8792 mono_mb_emit_byte (mb, CEE_RET);
8794 #endif /* DISABLE_JIT */
8797 G_GNUC_UNUSED static void
8798 code_for (MonoMethod *method) {
8799 MonoMethodHeader *header = mono_method_get_header (method);
8800 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));
8804 * mono_marshal_get_native_wrapper:
8805 * @method: The MonoMethod to wrap.
8806 * @check_exceptions: Whenever to check for pending exceptions
8808 * generates IL code for the pinvoke wrapper (the generated method
8809 * calls the unmanaged code in piinfo->addr)
8810 * The wrapper info for the wrapper is a WrapperInfo structure.
8813 mono_marshal_get_native_wrapper (MonoMethod *method, gboolean check_exceptions, gboolean aot)
8815 MonoMethodSignature *sig, *csig;
8816 MonoMethodPInvoke *piinfo = (MonoMethodPInvoke *) method;
8817 MonoMethodBuilder *mb;
8818 MonoMarshalSpec **mspecs;
8821 gboolean pinvoke = FALSE;
8824 const char *exc_class = "MissingMethodException";
8825 const char *exc_arg = NULL;
8828 g_assert (method != NULL);
8829 g_assert (mono_method_signature (method)->pinvoke);
8832 cache = get_cache (&method->klass->image->native_wrapper_aot_cache, mono_aligned_addr_hash, NULL);
8834 cache = get_cache (&method->klass->image->native_wrapper_cache, mono_aligned_addr_hash, NULL);
8835 if ((res = mono_marshal_find_in_cache (cache, method)))
8838 if (MONO_CLASS_IS_IMPORT (method->klass)) {
8840 return mono_cominterop_get_native_wrapper (method);
8842 g_assert_not_reached ();
8846 sig = mono_method_signature (method);
8848 if (!(method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
8849 (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL))
8852 if (!piinfo->addr) {
8854 if (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)
8855 exc_arg = "Method contains unsupported native code";
8857 mono_lookup_pinvoke_call (method, &exc_class, &exc_arg);
8859 piinfo->addr = mono_lookup_internal_call (method);
8862 /* hack - redirect certain string constructors to CreateString */
8863 if (piinfo->addr == ves_icall_System_String_ctor_RedirectToCreateString) {
8864 g_assert (!pinvoke);
8865 g_assert (method->string_ctor);
8866 g_assert (sig->hasthis);
8868 /* CreateString returns a value */
8869 csig = signature_dup (method->klass->image, sig);
8870 csig->ret = &mono_defaults.string_class->byval_arg;
8874 while ((res = mono_class_get_methods (mono_defaults.string_class, &iter))) {
8875 if (!strcmp ("CreateString", res->name) &&
8876 mono_metadata_signature_equal (csig, mono_method_signature (res))) {
8879 g_assert (!(res->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL));
8880 g_assert (!(res->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL));
8882 /* create a wrapper to preserve .ctor in stack trace */
8883 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_MANAGED_TO_MANAGED);
8886 mono_mb_emit_byte (mb, CEE_LDARG_0);
8887 for (i = 1; i <= csig->param_count; i++)
8888 mono_mb_emit_ldarg (mb, i);
8889 mono_mb_emit_managed_call (mb, res, NULL);
8890 mono_mb_emit_byte (mb, CEE_RET);
8893 /* use native_wrapper_cache because internal calls are looked up there */
8894 res = mono_mb_create_and_cache (cache, method,
8895 mb, csig, csig->param_count + 1);
8899 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_STRING_CTOR);
8900 info->d.string_ctor.method = method;
8902 mono_marshal_set_wrapper_info (res, info);
8908 /* exception will be thrown */
8909 piinfo->addr = NULL;
8910 g_warning ("cannot find CreateString for .ctor");
8913 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_MANAGED_TO_NATIVE);
8915 mb->method->save_lmf = 1;
8918 * In AOT mode and embedding scenarios, it is possible that the icall is not
8919 * registered in the runtime doing the AOT compilation.
8921 if (!piinfo->addr && !aot) {
8923 mono_mb_emit_exception (mb, exc_class, exc_arg);
8925 csig = signature_dup (method->klass->image, sig);
8927 res = mono_mb_create_and_cache (cache, method,
8928 mb, csig, csig->param_count + 16);
8931 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_NONE);
8932 info->d.managed_to_native.method = method;
8933 mono_marshal_set_wrapper_info (res, info);
8938 /* internal calls: we simply push all arguments and call the method (no conversions) */
8939 if (method->iflags & (METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL | METHOD_IMPL_ATTRIBUTE_RUNTIME)) {
8941 csig = signature_dup_add_this (method->klass->image, sig, method->klass);
8943 csig = signature_dup (method->klass->image, sig);
8945 /* hack - string constructors returns a value */
8946 if (method->string_ctor)
8947 csig->ret = &mono_defaults.string_class->byval_arg;
8954 * Add a null check since public icalls can be called with 'call' which
8955 * does no such check.
8957 mono_mb_emit_byte (mb, CEE_LDARG_0);
8958 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
8959 mono_mb_emit_exception (mb, "NullReferenceException", NULL);
8960 mono_mb_patch_branch (mb, pos);
8962 mono_mb_emit_byte (mb, CEE_LDARG_0);
8965 for (i = 0; i < sig->param_count; i++)
8966 mono_mb_emit_ldarg (mb, i + sig->hasthis);
8969 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
8970 mono_mb_emit_op (mb, CEE_MONO_ICALL_ADDR, &piinfo->method);
8971 mono_mb_emit_calli (mb, csig);
8973 g_assert (piinfo->addr);
8974 mono_mb_emit_native_call (mb, csig, piinfo->addr);
8976 if (check_exceptions)
8977 emit_thread_interrupt_checkpoint (mb);
8978 mono_mb_emit_byte (mb, CEE_RET);
8981 csig = signature_dup (method->klass->image, csig);
8983 res = mono_mb_create_and_cache (cache, method,
8984 mb, csig, csig->param_count + 16);
8986 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_NONE);
8987 info->d.managed_to_native.method = method;
8988 mono_marshal_set_wrapper_info (res, info);
8996 g_assert (piinfo->addr);
8999 mspecs = g_new (MonoMarshalSpec*, sig->param_count + 1);
9000 mono_method_get_marshal_info (method, mspecs);
9002 mono_marshal_emit_native_wrapper (mb->method->klass->image, mb, sig, piinfo, mspecs, piinfo->addr, aot, check_exceptions, FALSE);
9005 csig = signature_dup (method->klass->image, sig);
9007 res = mono_mb_create_and_cache (cache, method,
9008 mb, csig, csig->param_count + 16);
9011 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_NONE);
9012 info->d.managed_to_native.method = method;
9013 mono_marshal_set_wrapper_info (res, info);
9016 for (i = sig->param_count; i >= 0; i--)
9018 mono_metadata_free_marshal_spec (mspecs [i]);
9022 /* code_for (res); */
9028 * mono_marshal_get_native_func_wrapper:
9029 * @image: The image to use for memory allocation and for looking up custom marshallers.
9030 * @sig: The signature of the function
9031 * @func: The native function to wrap
9033 * Returns a wrapper method around native functions, similar to the pinvoke
9037 mono_marshal_get_native_func_wrapper (MonoImage *image, MonoMethodSignature *sig,
9038 MonoMethodPInvoke *piinfo, MonoMarshalSpec **mspecs, gpointer func)
9040 MonoMethodSignature *csig;
9042 MonoMethodBuilder *mb;
9047 cache = get_cache (&image->native_wrapper_cache, mono_aligned_addr_hash, NULL);
9048 if ((res = mono_marshal_find_in_cache (cache, func)))
9051 name = g_strdup_printf ("wrapper_native_%p", func);
9052 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_MANAGED_TO_NATIVE);
9053 mb->method->save_lmf = 1;
9056 mono_marshal_emit_native_wrapper (image, mb, sig, piinfo, mspecs, func, FALSE, TRUE, FALSE);
9059 csig = signature_dup (image, sig);
9061 res = mono_mb_create_and_cache (cache, func,
9062 mb, csig, csig->param_count + 16);
9065 mono_marshal_set_wrapper_info (res, NULL);
9071 * The wrapper receives the native function as a boxed IntPtr as its 'this' argument. This is easier to support in
9075 mono_marshal_get_native_func_wrapper_aot (MonoClass *klass)
9077 MonoMethodSignature *sig, *csig;
9078 MonoMethodBuilder *mb;
9083 MonoMethodPInvoke mpiinfo;
9084 MonoMethodPInvoke *piinfo = &mpiinfo;
9085 MonoMarshalSpec **mspecs;
9086 MonoMethod *invoke = mono_get_delegate_invoke (klass);
9087 MonoImage *image = invoke->klass->image;
9090 // FIXME: include UnmanagedFunctionPointerAttribute info
9093 * The wrapper is associated with the delegate type, to pick up the marshalling info etc.
9095 cache = get_cache (&image->native_func_wrapper_aot_cache, mono_aligned_addr_hash, NULL);
9096 if ((res = mono_marshal_find_in_cache (cache, invoke)))
9099 memset (&mpiinfo, 0, sizeof (mpiinfo));
9100 parse_unmanaged_function_pointer_attr (klass, &mpiinfo);
9102 mspecs = g_new0 (MonoMarshalSpec*, mono_method_signature (invoke)->param_count + 1);
9103 mono_method_get_marshal_info (invoke, mspecs);
9104 /* Freed below so don't alloc from mempool */
9105 sig = mono_metadata_signature_dup (mono_method_signature (invoke));
9108 name = g_strdup_printf ("wrapper_aot_native");
9109 mb = mono_mb_new (invoke->klass, name, MONO_WRAPPER_MANAGED_TO_NATIVE);
9110 mb->method->save_lmf = 1;
9113 mono_marshal_emit_native_wrapper (image, mb, sig, piinfo, mspecs, NULL, FALSE, TRUE, TRUE);
9116 g_assert (!sig->hasthis);
9117 csig = signature_dup_add_this (image, sig, mono_defaults.int_class);
9119 res = mono_mb_create_and_cache (cache, invoke,
9120 mb, csig, csig->param_count + 16);
9123 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_NATIVE_FUNC_AOT);
9124 info->d.managed_to_native.method = invoke;
9126 mono_marshal_set_wrapper_info (res, info);
9128 for (i = mono_method_signature (invoke)->param_count; i >= 0; i--)
9130 mono_metadata_free_marshal_spec (mspecs [i]);
9138 * mono_marshal_emit_managed_wrapper:
9140 * Emit the body of a native-to-managed wrapper. INVOKE_SIG is the signature of
9141 * the delegate which wraps the managed method to be called. For closed delegates,
9142 * it could have fewer parameters than the method it wraps.
9143 * THIS_LOC is the memory location where the target of the delegate is stored.
9146 mono_marshal_emit_managed_wrapper (MonoMethodBuilder *mb, MonoMethodSignature *invoke_sig, MonoMarshalSpec **mspecs, EmitMarshalContext* m, MonoMethod *method, uint32_t target_handle)
9149 MonoMethodSignature *sig, *csig;
9155 /* we first do all conversions */
9156 for (i = 0; i < sig->param_count; i ++) {
9157 MonoType *t = sig->params [i];
9160 case MONO_TYPE_OBJECT:
9161 case MONO_TYPE_CLASS:
9162 case MONO_TYPE_VALUETYPE:
9163 case MONO_TYPE_ARRAY:
9164 case MONO_TYPE_SZARRAY:
9165 case MONO_TYPE_STRING:
9166 case MONO_TYPE_BOOLEAN:
9167 emit_marshal (m, i, sig->params [i], mspecs [i + 1], 0, &csig->params [i], MARSHAL_ACTION_MANAGED_CONV_IN);
9171 MonoMethodSignature *sig, *csig;
9173 gboolean closed = FALSE;
9178 /* allocate local 0 (pointer) src_ptr */
9179 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9180 /* allocate local 1 (pointer) dst_ptr */
9181 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9182 /* allocate local 2 (boolean) delete_old */
9183 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
9185 if (!sig->hasthis && sig->param_count != invoke_sig->param_count) {
9186 /* Closed delegate */
9187 g_assert (sig->param_count == invoke_sig->param_count + 1);
9189 /* Use a new signature without the first argument */
9190 sig = mono_metadata_signature_dup (sig);
9191 memmove (&sig->params [0], &sig->params [1], (sig->param_count - 1) * sizeof (MonoType*));
9192 sig->param_count --;
9195 if (!MONO_TYPE_IS_VOID(sig->ret)) {
9196 /* allocate local 3 to store the return value */
9197 mono_mb_add_local (mb, sig->ret);
9200 mono_mb_emit_icon (mb, 0);
9201 mono_mb_emit_stloc (mb, 2);
9204 * Might need to attach the thread to the JIT or change the
9205 * domain for the callback.
9207 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
9208 mono_mb_emit_byte (mb, CEE_MONO_JIT_ATTACH);
9210 /* we first do all conversions */
9211 tmp_locals = alloca (sizeof (int) * sig->param_count);
9212 for (i = 0; i < sig->param_count; i ++) {
9213 MonoType *t = sig->params [i];
9216 case MONO_TYPE_OBJECT:
9217 case MONO_TYPE_CLASS:
9218 case MONO_TYPE_VALUETYPE:
9219 case MONO_TYPE_ARRAY:
9220 case MONO_TYPE_SZARRAY:
9221 case MONO_TYPE_STRING:
9222 case MONO_TYPE_BOOLEAN:
9223 tmp_locals [i] = emit_marshal (m, i, sig->params [i], mspecs [i + 1], 0, &csig->params [i], MARSHAL_ACTION_MANAGED_CONV_IN);
9232 emit_thread_interrupt_checkpoint (mb);
9235 if (target_handle) {
9236 mono_mb_emit_icon (mb, (gint32)target_handle);
9237 mono_mb_emit_icall (mb, mono_gchandle_get_target);
9240 g_assert_not_reached ();
9242 } else if (closed) {
9243 mono_mb_emit_icon (mb, (gint32)target_handle);
9244 mono_mb_emit_icall (mb, mono_gchandle_get_target);
9247 for (i = 0; i < sig->param_count; i++) {
9248 MonoType *t = sig->params [i];
9250 if (tmp_locals [i]) {
9252 mono_mb_emit_ldloc_addr (mb, tmp_locals [i]);
9254 mono_mb_emit_ldloc (mb, tmp_locals [i]);
9257 mono_mb_emit_ldarg (mb, i);
9260 mono_mb_emit_managed_call (mb, method, NULL);
9262 if (mspecs [0] && mspecs [0]->native == MONO_NATIVE_CUSTOM) {
9263 emit_marshal (m, 0, sig->ret, mspecs [0], 0, NULL, MARSHAL_ACTION_MANAGED_CONV_RESULT);
9264 } else if (!sig->ret->byref) {
9265 switch (sig->ret->type) {
9266 case MONO_TYPE_VOID:
9268 case MONO_TYPE_BOOLEAN:
9271 case MONO_TYPE_CHAR:
9283 case MONO_TYPE_OBJECT:
9284 mono_mb_emit_stloc (mb, 3);
9286 case MONO_TYPE_STRING:
9287 csig->ret = &mono_defaults.int_class->byval_arg;
9288 emit_marshal (m, 0, sig->ret, mspecs [0], 0, NULL, MARSHAL_ACTION_MANAGED_CONV_RESULT);
9290 case MONO_TYPE_VALUETYPE:
9291 case MONO_TYPE_CLASS:
9292 case MONO_TYPE_SZARRAY:
9293 emit_marshal (m, 0, sig->ret, mspecs [0], 0, NULL, MARSHAL_ACTION_MANAGED_CONV_RESULT);
9296 g_warning ("return type 0x%02x unknown", sig->ret->type);
9297 g_assert_not_reached ();
9300 mono_mb_emit_stloc (mb, 3);
9303 /* Convert byref arguments back */
9304 for (i = 0; i < sig->param_count; i ++) {
9305 MonoType *t = sig->params [i];
9306 MonoMarshalSpec *spec = mspecs [i + 1];
9308 if (spec && spec->native == MONO_NATIVE_CUSTOM) {
9309 emit_marshal (m, i, t, mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_MANAGED_CONV_OUT);
9311 else if (t->byref) {
9313 case MONO_TYPE_CLASS:
9314 case MONO_TYPE_VALUETYPE:
9315 case MONO_TYPE_OBJECT:
9316 case MONO_TYPE_STRING:
9317 case MONO_TYPE_BOOLEAN:
9318 emit_marshal (m, i, t, mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_MANAGED_CONV_OUT);
9322 else if (invoke_sig->params [i]->attrs & PARAM_ATTRIBUTE_OUT) {
9323 /* The [Out] information is encoded in the delegate signature */
9325 case MONO_TYPE_SZARRAY:
9326 case MONO_TYPE_CLASS:
9327 case MONO_TYPE_VALUETYPE:
9328 emit_marshal (m, i, invoke_sig->params [i], mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_MANAGED_CONV_OUT);
9331 g_assert_not_reached ();
9336 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
9337 mono_mb_emit_byte (mb, CEE_MONO_JIT_DETACH);
9339 if (m->retobj_var) {
9340 mono_mb_emit_ldloc (mb, m->retobj_var);
9341 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
9342 mono_mb_emit_op (mb, CEE_MONO_RETOBJ, m->retobj_class);
9345 if (!MONO_TYPE_IS_VOID(sig->ret))
9346 mono_mb_emit_ldloc (mb, 3);
9347 mono_mb_emit_byte (mb, CEE_RET);
9356 mono_marshal_set_callconv_from_modopt (MonoMethod *method, MonoMethodSignature *csig)
9358 MonoMethodSignature *sig;
9363 * Under windows, delegates passed to native code must use the STDCALL
9364 * calling convention.
9366 csig->call_convention = MONO_CALL_STDCALL;
9369 sig = mono_method_signature (method);
9371 /* Change default calling convention if needed */
9372 /* Why is this a modopt ? */
9373 if (sig->ret && sig->ret->num_mods) {
9374 for (i = 0; i < sig->ret->num_mods; ++i) {
9375 MonoClass *cmod_class = mono_class_get (method->klass->image, sig->ret->modifiers [i].token);
9376 g_assert (cmod_class);
9377 if ((cmod_class->image == mono_defaults.corlib) && !strcmp (cmod_class->name_space, "System.Runtime.CompilerServices")) {
9378 if (!strcmp (cmod_class->name, "CallConvCdecl"))
9379 csig->call_convention = MONO_CALL_C;
9380 else if (!strcmp (cmod_class->name, "CallConvStdcall"))
9381 csig->call_convention = MONO_CALL_STDCALL;
9382 else if (!strcmp (cmod_class->name, "CallConvFastcall"))
9383 csig->call_convention = MONO_CALL_FASTCALL;
9384 else if (!strcmp (cmod_class->name, "CallConvThiscall"))
9385 csig->call_convention = MONO_CALL_THISCALL;
9392 * generates IL code to call managed methods from unmanaged code
9393 * If target_handle==0, the wrapper info will be a WrapperInfo structure.
9396 mono_marshal_get_managed_wrapper (MonoMethod *method, MonoClass *delegate_klass, uint32_t target_handle)
9398 static MonoClass *UnmanagedFunctionPointerAttribute;
9399 MonoMethodSignature *sig, *csig, *invoke_sig;
9400 MonoMethodBuilder *mb;
9401 MonoMethod *res, *invoke;
9402 MonoMarshalSpec **mspecs;
9403 MonoMethodPInvoke piinfo;
9406 EmitMarshalContext m;
9408 g_assert (method != NULL);
9409 g_assert (!mono_method_signature (method)->pinvoke);
9412 * FIXME: Should cache the method+delegate type pair, since the same method
9413 * could be called with different delegates, thus different marshalling
9416 cache = get_cache (&method->klass->image->managed_wrapper_cache, mono_aligned_addr_hash, NULL);
9417 if (!target_handle && (res = mono_marshal_find_in_cache (cache, method)))
9420 invoke = mono_get_delegate_invoke (delegate_klass);
9421 invoke_sig = mono_method_signature (invoke);
9423 mspecs = g_new0 (MonoMarshalSpec*, mono_method_signature (invoke)->param_count + 1);
9424 mono_method_get_marshal_info (invoke, mspecs);
9426 sig = mono_method_signature (method);
9428 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_NATIVE_TO_MANAGED);
9430 /*the target gchandle must be the first entry after size and the wrapper itself.*/
9431 mono_mb_add_data (mb, GUINT_TO_POINTER (target_handle));
9433 /* we copy the signature, so that we can modify it */
9435 /* Need to free this later */
9436 csig = mono_metadata_signature_dup (invoke_sig);
9438 csig = signature_dup (method->klass->image, invoke_sig);
9447 m.image = method->klass->image;
9449 mono_marshal_set_callconv_from_modopt (invoke, csig);
9451 /* Handle the UnmanagedFunctionPointerAttribute */
9452 if (!UnmanagedFunctionPointerAttribute)
9453 UnmanagedFunctionPointerAttribute = mono_class_from_name (mono_defaults.corlib, "System.Runtime.InteropServices", "UnmanagedFunctionPointerAttribute");
9455 /* The attribute is only available in Net 2.0 */
9456 if (UnmanagedFunctionPointerAttribute) {
9457 MonoCustomAttrInfo *cinfo;
9458 MonoCustomAttrEntry *attr;
9461 * The pinvoke attributes are stored in a real custom attribute. Obtain the
9462 * contents of the attribute without constructing it, as that might not be
9463 * possible when running in cross-compiling mode.
9465 cinfo = mono_custom_attrs_from_class (delegate_klass);
9468 for (i = 0; i < cinfo->num_attrs; ++i) {
9469 MonoClass *ctor_class = cinfo->attrs [i].ctor->klass;
9470 if (mono_class_has_parent (ctor_class, UnmanagedFunctionPointerAttribute)) {
9471 attr = &cinfo->attrs [i];
9477 MonoArray *typed_args, *named_args;
9478 CattrNamedArg *arginfo;
9482 MonoBoolean set_last_error = 0;
9483 MonoBoolean best_fit_mapping = 0;
9484 MonoBoolean throw_on_unmappable = 0;
9487 mono_reflection_create_custom_attr_data_args (mono_defaults.corlib, attr->ctor, attr->data, attr->data_size, &typed_args, &named_args, &arginfo, &error);
9488 g_assert (mono_error_ok (&error));
9489 g_assert (mono_array_length (typed_args) == 1);
9492 o = mono_array_get (typed_args, MonoObject*, 0);
9493 call_conv = *(gint32*)mono_object_unbox (o);
9496 for (i = 0; i < mono_array_length (named_args); ++i) {
9497 CattrNamedArg *narg = &arginfo [i];
9499 o = mono_array_get (named_args, MonoObject*, i);
9501 g_assert (narg->field);
9502 if (!strcmp (narg->field->name, "CharSet")) {
9503 charset = *(gint32*)mono_object_unbox (o);
9504 } else if (!strcmp (narg->field->name, "SetLastError")) {
9505 set_last_error = *(MonoBoolean*)mono_object_unbox (o);
9506 } else if (!strcmp (narg->field->name, "BestFitMapping")) {
9507 best_fit_mapping = *(MonoBoolean*)mono_object_unbox (o);
9508 } else if (!strcmp (narg->field->name, "ThrowOnUnmappableChar")) {
9509 throw_on_unmappable = *(MonoBoolean*)mono_object_unbox (o);
9511 g_assert_not_reached ();
9517 memset (&piinfo, 0, sizeof (piinfo));
9519 piinfo.piflags = (call_conv << 8) | (charset ? (charset - 1) * 2 : 1) | set_last_error;
9521 csig->call_convention = call_conv - 1;
9524 if (cinfo && !cinfo->cached)
9525 mono_custom_attrs_free (cinfo);
9528 mono_marshal_emit_managed_wrapper (mb, invoke_sig, mspecs, &m, method, target_handle);
9530 if (!target_handle) {
9533 res = mono_mb_create_and_cache (cache, method,
9534 mb, csig, sig->param_count + 16);
9535 // FIXME: Associate it with the method+delegate_klass pair
9536 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_NONE);
9537 info->d.native_to_managed.method = method;
9538 info->d.native_to_managed.klass = delegate_klass;
9539 mono_marshal_set_wrapper_info (res, info);
9544 res = mono_mb_create_method (mb, csig, sig->param_count + 16);
9548 for (i = mono_method_signature (invoke)->param_count; i >= 0; i--)
9550 mono_metadata_free_marshal_spec (mspecs [i]);
9553 /* code_for (res); */
9559 mono_marshal_get_vtfixup_ftnptr (MonoImage *image, guint32 token, guint16 type)
9562 MonoMethodSignature *sig;
9563 MonoMethodBuilder *mb;
9568 method = mono_get_method (image, token, NULL);
9571 if (type & (VTFIXUP_TYPE_FROM_UNMANAGED | VTFIXUP_TYPE_FROM_UNMANAGED_RETAIN_APPDOMAIN)) {
9572 MonoMethodSignature *csig;
9573 MonoMarshalSpec **mspecs;
9574 EmitMarshalContext m;
9576 sig = mono_method_signature (method);
9577 g_assert (!sig->hasthis);
9579 mspecs = g_new0 (MonoMarshalSpec*, sig->param_count + 1);
9580 mono_method_get_marshal_info (method, mspecs);
9582 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_NATIVE_TO_MANAGED);
9583 csig = signature_dup (image, sig);
9594 mono_marshal_set_callconv_from_modopt (method, csig);
9596 /* FIXME: Implement VTFIXUP_TYPE_FROM_UNMANAGED_RETAIN_APPDOMAIN. */
9598 mono_marshal_emit_managed_wrapper (mb, sig, mspecs, &m, method, 0);
9603 method = mono_mb_create_method (mb, csig, sig->param_count + 16);
9606 for (i = sig->param_count; i >= 0; i--)
9608 mono_metadata_free_marshal_spec (mspecs [i]);
9611 return mono_compile_method (method);
9614 sig = mono_method_signature (method);
9615 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_MANAGED_TO_MANAGED);
9618 param_count = sig->param_count + sig->hasthis;
9619 for (i = 0; i < param_count; i++)
9620 mono_mb_emit_ldarg (mb, i);
9622 if (type & VTFIXUP_TYPE_CALL_MOST_DERIVED)
9623 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
9625 mono_mb_emit_op (mb, CEE_CALL, method);
9626 mono_mb_emit_byte (mb, CEE_RET);
9631 method = mono_mb_create_method (mb, sig, param_count);
9634 return mono_compile_method (method);
9637 static MonoReflectionType *
9638 type_from_handle (MonoType *handle)
9640 MonoDomain *domain = mono_domain_get ();
9641 MonoClass *klass = mono_class_from_mono_type (handle);
9643 MONO_ARCH_SAVE_REGS;
9645 mono_class_init (klass);
9646 return mono_type_get_object (domain, handle);
9650 * This does the equivalent of mono_object_castclass_with_cache.
9651 * The wrapper info for the wrapper is a WrapperInfo structure.
9654 mono_marshal_get_castclass_with_cache (void)
9656 static MonoMethod *cached;
9658 MonoMethodBuilder *mb;
9659 MonoMethodSignature *sig;
9660 int return_null_pos, cache_miss_pos, invalid_cast_pos;
9666 mb = mono_mb_new (mono_defaults.object_class, "__castclass_with_cache", MONO_WRAPPER_CASTCLASS);
9667 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
9668 sig->params [0] = &mono_defaults.object_class->byval_arg;
9669 sig->params [1] = &mono_defaults.int_class->byval_arg;
9670 sig->params [2] = &mono_defaults.int_class->byval_arg;
9671 sig->ret = &mono_defaults.object_class->byval_arg;
9675 /* allocate local 0 (pointer) obj_vtable */
9676 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9679 mono_mb_emit_ldarg (mb, 0);
9680 return_null_pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
9682 /*obj_vtable = obj->vtable;*/
9683 mono_mb_emit_ldarg (mb, 0);
9684 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
9685 mono_mb_emit_byte (mb, CEE_LDIND_I);
9686 mono_mb_emit_stloc (mb, 0);
9689 mono_mb_emit_ldarg (mb, 2);
9690 mono_mb_emit_byte (mb, CEE_LDIND_I);
9691 mono_mb_emit_ldloc (mb, 0);
9693 /*if (*cache == obj_vtable)*/
9694 cache_miss_pos = mono_mb_emit_branch (mb, CEE_BNE_UN);
9697 mono_mb_emit_ldarg (mb, 0);
9698 mono_mb_emit_byte (mb, CEE_RET);
9700 mono_mb_patch_branch (mb, cache_miss_pos);
9701 /*if (mono_object_isinst (obj, klass)) */
9702 mono_mb_emit_ldarg (mb, 0);
9703 mono_mb_emit_ldarg (mb, 1);
9704 mono_mb_emit_icall (mb, mono_object_isinst);
9705 invalid_cast_pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
9707 /**cache = obj_vtable;*/
9708 mono_mb_emit_ldarg (mb, 2);
9709 mono_mb_emit_ldloc (mb, 0);
9710 mono_mb_emit_byte (mb, CEE_STIND_I);
9713 mono_mb_emit_ldarg (mb, 0);
9714 mono_mb_emit_byte (mb, CEE_RET);
9717 mono_mb_patch_branch (mb, invalid_cast_pos);
9718 mono_mb_emit_exception (mb, "InvalidCastException", NULL);
9721 mono_mb_patch_branch (mb, return_null_pos);
9722 mono_mb_emit_byte (mb, CEE_LDNULL);
9723 mono_mb_emit_byte (mb, CEE_RET);
9724 #endif /* DISABLE_JIT */
9726 res = mono_mb_create_method (mb, sig, 8);
9727 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_CASTCLASS_WITH_CACHE);
9728 mono_marshal_set_wrapper_info (res, info);
9731 if (InterlockedCompareExchangePointer ((volatile gpointer *)&cached, res, NULL)) {
9732 mono_free_method (res);
9733 mono_metadata_free_method_signature (sig);
9741 * This does the equivalent of mono_object_isinst_with_cache.
9742 * The wrapper info for the wrapper is a WrapperInfo structure.
9745 mono_marshal_get_isinst_with_cache (void)
9747 static MonoMethod *cached;
9749 MonoMethodBuilder *mb;
9750 MonoMethodSignature *sig;
9751 int return_null_pos, cache_miss_pos, cache_hit_pos, not_an_instance_pos, negative_cache_hit_pos;
9757 mb = mono_mb_new (mono_defaults.object_class, "__isinst_with_cache", MONO_WRAPPER_CASTCLASS);
9758 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
9759 sig->params [0] = &mono_defaults.object_class->byval_arg;
9760 sig->params [1] = &mono_defaults.int_class->byval_arg;
9761 sig->params [2] = &mono_defaults.int_class->byval_arg;
9762 sig->ret = &mono_defaults.object_class->byval_arg;
9766 /* allocate local 0 (pointer) obj_vtable */
9767 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9768 /* allocate local 1 (pointer) cached_vtable */
9769 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9772 mono_mb_emit_ldarg (mb, 0);
9773 return_null_pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
9775 /*obj_vtable = obj->vtable;*/
9776 mono_mb_emit_ldarg (mb, 0);
9777 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
9778 mono_mb_emit_byte (mb, CEE_LDIND_I);
9779 mono_mb_emit_stloc (mb, 0);
9781 /* cached_vtable = *cache*/
9782 mono_mb_emit_ldarg (mb, 2);
9783 mono_mb_emit_byte (mb, CEE_LDIND_I);
9784 mono_mb_emit_stloc (mb, 1);
9786 mono_mb_emit_ldloc (mb, 1);
9787 mono_mb_emit_byte (mb, CEE_LDC_I4);
9788 mono_mb_emit_i4 (mb, ~0x1);
9789 mono_mb_emit_byte (mb, CEE_CONV_U);
9790 mono_mb_emit_byte (mb, CEE_AND);
9791 mono_mb_emit_ldloc (mb, 0);
9792 /*if ((cached_vtable & ~0x1)== obj_vtable)*/
9793 cache_miss_pos = mono_mb_emit_branch (mb, CEE_BNE_UN);
9795 /*return (cached_vtable & 0x1) ? NULL : obj;*/
9796 mono_mb_emit_ldloc (mb, 1);
9797 mono_mb_emit_byte(mb, CEE_LDC_I4_1);
9798 mono_mb_emit_byte (mb, CEE_CONV_U);
9799 mono_mb_emit_byte (mb, CEE_AND);
9800 negative_cache_hit_pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
9803 mono_mb_emit_ldarg (mb, 0);
9804 cache_hit_pos = mono_mb_emit_branch (mb, CEE_BR);
9807 mono_mb_patch_branch (mb, negative_cache_hit_pos);
9808 mono_mb_emit_byte (mb, CEE_LDNULL);
9810 mono_mb_patch_branch (mb, cache_hit_pos);
9811 mono_mb_emit_byte (mb, CEE_RET);
9813 mono_mb_patch_branch (mb, cache_miss_pos);
9814 /*if (mono_object_isinst (obj, klass)) */
9815 mono_mb_emit_ldarg (mb, 0);
9816 mono_mb_emit_ldarg (mb, 1);
9817 mono_mb_emit_icall (mb, mono_object_isinst);
9818 not_an_instance_pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
9820 /**cache = obj_vtable;*/
9821 mono_mb_emit_ldarg (mb, 2);
9822 mono_mb_emit_ldloc (mb, 0);
9823 mono_mb_emit_byte (mb, CEE_STIND_I);
9826 mono_mb_emit_ldarg (mb, 0);
9827 mono_mb_emit_byte (mb, CEE_RET);
9830 mono_mb_patch_branch (mb, not_an_instance_pos);
9831 /* *cache = (gpointer)(obj_vtable | 0x1);*/
9832 mono_mb_emit_ldarg (mb, 2);
9833 /*obj_vtable | 0x1*/
9834 mono_mb_emit_ldloc (mb, 0);
9835 mono_mb_emit_byte(mb, CEE_LDC_I4_1);
9836 mono_mb_emit_byte (mb, CEE_CONV_U);
9837 mono_mb_emit_byte (mb, CEE_OR);
9840 mono_mb_emit_byte (mb, CEE_STIND_I);
9843 mono_mb_patch_branch (mb, return_null_pos);
9844 mono_mb_emit_byte (mb, CEE_LDNULL);
9845 mono_mb_emit_byte (mb, CEE_RET);
9848 res = mono_mb_create_method (mb, sig, 8);
9849 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_ISINST_WITH_CACHE);
9850 mono_marshal_set_wrapper_info (res, info);
9853 if (InterlockedCompareExchangePointer ((volatile gpointer *)&cached, res, NULL)) {
9854 mono_free_method (res);
9855 mono_metadata_free_method_signature (sig);
9863 * mono_marshal_get_isinst:
9864 * @klass: the type of the field
9866 * This method generates a function which can be used to check if an object is
9867 * an instance of the given type, icluding the case where the object is a proxy.
9868 * The generated function has the following signature:
9869 * MonoObject* __isinst_wrapper_ (MonoObject *obj)
9872 mono_marshal_get_isinst (MonoClass *klass)
9874 static MonoMethodSignature *isint_sig = NULL;
9877 int pos_was_ok, pos_end;
9878 #ifndef DISABLE_REMOTING
9879 int pos_end2, pos_failed;
9882 MonoMethodBuilder *mb;
9884 cache = get_cache (&klass->image->isinst_cache, mono_aligned_addr_hash, NULL);
9885 if ((res = mono_marshal_find_in_cache (cache, klass)))
9889 isint_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
9890 isint_sig->params [0] = &mono_defaults.object_class->byval_arg;
9891 isint_sig->ret = &mono_defaults.object_class->byval_arg;
9892 isint_sig->pinvoke = 0;
9895 name = g_strdup_printf ("__isinst_wrapper_%s", klass->name);
9896 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_ISINST);
9899 mb->method->save_lmf = 1;
9902 /* check if the object is a proxy that needs special cast */
9903 mono_mb_emit_ldarg (mb, 0);
9904 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
9905 mono_mb_emit_op (mb, CEE_MONO_CISINST, klass);
9907 /* The result of MONO_CISINST can be:
9908 0) the type check succeeded
9909 1) the type check did not succeed
9910 2) a CanCastTo call is needed */
9911 #ifndef DISABLE_REMOTING
9912 mono_mb_emit_byte (mb, CEE_DUP);
9913 pos_was_ok = mono_mb_emit_branch (mb, CEE_BRFALSE);
9915 mono_mb_emit_byte (mb, CEE_LDC_I4_2);
9916 pos_failed = mono_mb_emit_branch (mb, CEE_BNE_UN);
9918 /* get the real proxy from the transparent proxy*/
9920 mono_mb_emit_ldarg (mb, 0);
9921 mono_mb_emit_managed_call (mb, mono_marshal_get_proxy_cancast (klass), NULL);
9922 pos_end = mono_mb_emit_branch (mb, CEE_BR);
9926 mono_mb_patch_branch (mb, pos_failed);
9927 mono_mb_emit_byte (mb, CEE_LDNULL);
9928 pos_end2 = mono_mb_emit_branch (mb, CEE_BR);
9932 mono_mb_patch_branch (mb, pos_was_ok);
9933 mono_mb_emit_byte (mb, CEE_POP);
9934 mono_mb_emit_ldarg (mb, 0);
9938 mono_mb_patch_branch (mb, pos_end);
9939 mono_mb_patch_branch (mb, pos_end2);
9940 mono_mb_emit_byte (mb, CEE_RET);
9942 pos_was_ok = mono_mb_emit_branch (mb, CEE_BRFALSE);
9946 mono_mb_emit_byte (mb, CEE_LDNULL);
9947 pos_end = mono_mb_emit_branch (mb, CEE_BR);
9951 mono_mb_patch_branch (mb, pos_was_ok);
9952 mono_mb_emit_ldarg (mb, 0);
9956 mono_mb_patch_branch (mb, pos_end);
9957 mono_mb_emit_byte (mb, CEE_RET);
9958 #endif /* DISABLE_REMOTING */
9959 #endif /* DISABLE_JIT */
9961 res = mono_mb_create_and_cache (cache, klass, mb, isint_sig, isint_sig->param_count + 16);
9968 * mono_marshal_get_castclass:
9969 * @klass: the type of the field
9971 * This method generates a function which can be used to cast an object to
9972 * an instance of the given type, icluding the case where the object is a proxy.
9973 * The generated function has the following signature:
9974 * MonoObject* __castclass_wrapper_ (MonoObject *obj)
9975 * The wrapper info for the wrapper is a WrapperInfo structure.
9978 mono_marshal_get_castclass (MonoClass *klass)
9980 static MonoMethodSignature *castclass_sig = NULL;
9983 #ifndef DISABLE_REMOTING
9984 int pos_was_ok, pos_was_ok2;
9987 MonoMethodBuilder *mb;
9990 cache = get_cache (&klass->image->castclass_cache, mono_aligned_addr_hash, NULL);
9991 if ((res = mono_marshal_find_in_cache (cache, klass)))
9994 if (!castclass_sig) {
9995 castclass_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
9996 castclass_sig->params [0] = &mono_defaults.object_class->byval_arg;
9997 castclass_sig->ret = &mono_defaults.object_class->byval_arg;
9998 castclass_sig->pinvoke = 0;
10001 name = g_strdup_printf ("__castclass_wrapper_%s", klass->name);
10002 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_CASTCLASS);
10005 mb->method->save_lmf = 1;
10007 #ifndef DISABLE_JIT
10008 /* check if the object is a proxy that needs special cast */
10009 mono_mb_emit_ldarg (mb, 0);
10010 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
10011 mono_mb_emit_op (mb, CEE_MONO_CCASTCLASS, klass);
10013 /* The result of MONO_CCASTCLASS can be:
10014 0) the cast is valid
10015 1) cast of unknown proxy type
10016 or an exception if the cast is is invalid
10018 #ifndef DISABLE_REMOTING
10019 pos_was_ok = mono_mb_emit_branch (mb, CEE_BRFALSE);
10021 /* get the real proxy from the transparent proxy*/
10023 mono_mb_emit_ldarg (mb, 0);
10024 mono_mb_emit_managed_call (mb, mono_marshal_get_proxy_cancast (klass), NULL);
10025 pos_was_ok2 = mono_mb_emit_branch (mb, CEE_BRTRUE);
10028 mono_mb_emit_exception (mb, "InvalidCastException", NULL);
10031 mono_mb_patch_branch (mb, pos_was_ok);
10032 mono_mb_patch_branch (mb, pos_was_ok2);
10034 /* MONO_CCASTCLASS leaves an int in the stack with the result, pop it. */
10035 mono_mb_emit_byte (mb, CEE_POP);
10036 #endif /* DISABLE_REMOTING */
10038 mono_mb_emit_ldarg (mb, 0);
10041 mono_mb_emit_byte (mb, CEE_RET);
10042 #endif /* DISABLE_JIT */
10044 res = mono_mb_create_and_cache (cache, klass, mb, castclass_sig, castclass_sig->param_count + 16);
10047 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_NONE);
10048 mono_marshal_set_wrapper_info (res, info);
10053 #ifndef DISABLE_REMOTING
10055 mono_marshal_get_proxy_cancast (MonoClass *klass)
10057 static MonoMethodSignature *isint_sig = NULL;
10060 int pos_failed, pos_end;
10061 char *name, *klass_name;
10062 MonoMethod *can_cast_to;
10063 MonoMethodDesc *desc;
10064 MonoMethodBuilder *mb;
10066 cache = get_cache (&klass->image->proxy_isinst_cache, mono_aligned_addr_hash, NULL);
10067 if ((res = mono_marshal_find_in_cache (cache, klass)))
10071 isint_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
10072 isint_sig->params [0] = &mono_defaults.object_class->byval_arg;
10073 isint_sig->ret = &mono_defaults.object_class->byval_arg;
10074 isint_sig->pinvoke = 0;
10077 klass_name = mono_type_full_name (&klass->byval_arg);
10078 name = g_strdup_printf ("__proxy_isinst_wrapper_%s", klass_name);
10079 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_PROXY_ISINST);
10080 g_free (klass_name);
10083 mb->method->save_lmf = 1;
10085 #ifndef DISABLE_JIT
10086 /* get the real proxy from the transparent proxy*/
10087 mono_mb_emit_ldarg (mb, 0);
10088 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
10089 mono_mb_emit_byte (mb, CEE_LDIND_REF);
10091 /* get the reflection type from the type handle */
10092 mono_mb_emit_ptr (mb, &klass->byval_arg);
10093 mono_mb_emit_icall (mb, type_from_handle);
10095 mono_mb_emit_ldarg (mb, 0);
10097 /* make the call to CanCastTo (type, ob) */
10098 desc = mono_method_desc_new ("IRemotingTypeInfo:CanCastTo", FALSE);
10099 can_cast_to = mono_method_desc_search_in_class (desc, mono_defaults.iremotingtypeinfo_class);
10100 g_assert (can_cast_to);
10101 mono_method_desc_free (desc);
10102 mono_mb_emit_op (mb, CEE_CALLVIRT, can_cast_to);
10104 pos_failed = mono_mb_emit_branch (mb, CEE_BRFALSE);
10106 /* Upgrade the proxy vtable by calling: mono_upgrade_remote_class_wrapper (type, ob)*/
10107 mono_mb_emit_ptr (mb, &klass->byval_arg);
10108 mono_mb_emit_icall (mb, type_from_handle);
10109 mono_mb_emit_ldarg (mb, 0);
10111 mono_mb_emit_icall (mb, mono_upgrade_remote_class_wrapper);
10112 emit_thread_interrupt_checkpoint (mb);
10114 mono_mb_emit_ldarg (mb, 0);
10115 pos_end = mono_mb_emit_branch (mb, CEE_BR);
10119 mono_mb_patch_branch (mb, pos_failed);
10120 mono_mb_emit_byte (mb, CEE_LDNULL);
10124 mono_mb_patch_branch (mb, pos_end);
10125 mono_mb_emit_byte (mb, CEE_RET);
10128 res = mono_mb_create_and_cache (cache, klass, mb, isint_sig, isint_sig->param_count + 16);
10135 mono_upgrade_remote_class_wrapper (MonoReflectionType *rtype, MonoTransparentProxy *tproxy)
10138 MonoDomain *domain = ((MonoObject*)tproxy)->vtable->domain;
10139 klass = mono_class_from_mono_type (rtype->type);
10140 mono_upgrade_remote_class (domain, (MonoObject*)tproxy, klass);
10142 #endif /*DISABLE_REMOTING */
10145 * mono_marshal_get_struct_to_ptr:
10148 * generates IL code for StructureToPtr (object structure, IntPtr ptr, bool fDeleteOld)
10149 * The wrapper info for the wrapper is a WrapperInfo structure.
10152 mono_marshal_get_struct_to_ptr (MonoClass *klass)
10154 MonoMethodBuilder *mb;
10155 static MonoMethod *stoptr = NULL;
10159 g_assert (klass != NULL);
10161 mono_marshal_load_type_info (klass);
10163 if (klass->marshal_info->str_to_ptr)
10164 return klass->marshal_info->str_to_ptr;
10167 stoptr = mono_class_get_method_from_name (mono_defaults.marshal_class, "StructureToPtr", 3);
10170 mb = mono_mb_new (klass, stoptr->name, MONO_WRAPPER_UNKNOWN);
10172 #ifndef DISABLE_JIT
10173 if (klass->blittable) {
10174 mono_mb_emit_byte (mb, CEE_LDARG_1);
10175 mono_mb_emit_byte (mb, CEE_LDARG_0);
10176 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
10177 mono_mb_emit_icon (mb, mono_class_value_size (klass, NULL));
10178 mono_mb_emit_byte (mb, CEE_PREFIX1);
10179 mono_mb_emit_byte (mb, CEE_CPBLK);
10182 /* allocate local 0 (pointer) src_ptr */
10183 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10184 /* allocate local 1 (pointer) dst_ptr */
10185 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10186 /* allocate local 2 (boolean) delete_old */
10187 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
10188 mono_mb_emit_byte (mb, CEE_LDARG_2);
10189 mono_mb_emit_stloc (mb, 2);
10191 /* initialize src_ptr to point to the start of object data */
10192 mono_mb_emit_byte (mb, CEE_LDARG_0);
10193 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
10194 mono_mb_emit_stloc (mb, 0);
10196 /* initialize dst_ptr */
10197 mono_mb_emit_byte (mb, CEE_LDARG_1);
10198 mono_mb_emit_stloc (mb, 1);
10200 emit_struct_conv (mb, klass, FALSE);
10203 mono_mb_emit_byte (mb, CEE_RET);
10206 res = mono_mb_create_method (mb, mono_signature_no_pinvoke (stoptr), 0);
10209 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_STRUCTURE_TO_PTR);
10210 mono_marshal_set_wrapper_info (res, info);
10212 klass->marshal_info->str_to_ptr = res;
10217 * mono_marshal_get_ptr_to_struct:
10220 * generates IL code for PtrToStructure (IntPtr src, object structure)
10221 * The wrapper info for the wrapper is a WrapperInfo structure.
10224 mono_marshal_get_ptr_to_struct (MonoClass *klass)
10226 MonoMethodBuilder *mb;
10227 static MonoMethodSignature *ptostr = NULL;
10231 g_assert (klass != NULL);
10233 mono_marshal_load_type_info (klass);
10235 if (klass->marshal_info->ptr_to_str)
10236 return klass->marshal_info->ptr_to_str;
10239 MonoMethodSignature *sig;
10241 /* Create the signature corresponding to
10242 static void PtrToStructure (IntPtr ptr, object structure);
10243 defined in class/corlib/System.Runtime.InteropServices/Marshal.cs */
10244 sig = mono_create_icall_signature ("void ptr object");
10245 sig = signature_dup (mono_defaults.corlib, sig);
10247 mono_memory_barrier ();
10251 mb = mono_mb_new (klass, "PtrToStructure", MONO_WRAPPER_UNKNOWN);
10253 #ifndef DISABLE_JIT
10254 if (klass->blittable) {
10255 mono_mb_emit_byte (mb, CEE_LDARG_1);
10256 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
10257 mono_mb_emit_byte (mb, CEE_LDARG_0);
10258 mono_mb_emit_icon (mb, mono_class_value_size (klass, NULL));
10259 mono_mb_emit_byte (mb, CEE_PREFIX1);
10260 mono_mb_emit_byte (mb, CEE_CPBLK);
10263 /* allocate local 0 (pointer) src_ptr */
10264 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10265 /* allocate local 1 (pointer) dst_ptr */
10266 mono_mb_add_local (mb, &klass->this_arg);
10268 /* initialize src_ptr to point to the start of object data */
10269 mono_mb_emit_byte (mb, CEE_LDARG_0);
10270 mono_mb_emit_stloc (mb, 0);
10272 /* initialize dst_ptr */
10273 mono_mb_emit_byte (mb, CEE_LDARG_1);
10274 mono_mb_emit_op (mb, CEE_UNBOX, klass);
10275 mono_mb_emit_stloc (mb, 1);
10277 emit_struct_conv (mb, klass, TRUE);
10280 mono_mb_emit_byte (mb, CEE_RET);
10283 res = mono_mb_create_method (mb, ptostr, 0);
10286 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_PTR_TO_STRUCTURE);
10287 mono_marshal_set_wrapper_info (res, info);
10289 klass->marshal_info->ptr_to_str = res;
10294 * Return a dummy wrapper for METHOD which is called by synchronized wrappers.
10295 * This is used to avoid infinite recursion since it is hard to determine where to
10296 * replace a method with its synchronized wrapper, and where not.
10297 * The runtime should execute METHOD instead of the wrapper.
10298 * The wrapper info for the wrapper is a WrapperInfo structure.
10301 mono_marshal_get_synchronized_inner_wrapper (MonoMethod *method)
10303 MonoMethodBuilder *mb;
10305 MonoMethodSignature *sig;
10307 MonoGenericContext *ctx = NULL;
10308 MonoMethod *orig_method = NULL;
10309 MonoGenericContainer *container = NULL;
10311 if (method->is_inflated && !mono_method_get_context (method)->method_inst) {
10312 orig_method = method;
10313 ctx = &((MonoMethodInflated*)method)->context;
10314 method = ((MonoMethodInflated*)method)->declaring;
10315 container = mono_method_get_generic_container (method);
10317 container = method->klass->generic_container;
10318 g_assert (container);
10321 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_UNKNOWN);
10322 #ifndef DISABLE_JIT
10323 mono_mb_emit_exception_full (mb, "System", "ExecutionEngineException", "Shouldn't be called.");
10324 mono_mb_emit_byte (mb, CEE_RET);
10326 sig = signature_dup (method->klass->image, mono_method_signature (method));
10327 res = mono_mb_create_method (mb, sig, 0);
10329 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_SYNCHRONIZED_INNER);
10330 info->d.synchronized_inner.method = method;
10331 mono_marshal_set_wrapper_info (res, info);
10333 res = mono_class_inflate_generic_method (res, ctx);
10338 * generates IL code for the synchronized wrapper: the generated method
10339 * calls METHOD while locking 'this' or the parent type.
10342 mono_marshal_get_synchronized_wrapper (MonoMethod *method)
10344 static MonoMethod *enter_method, *exit_method, *gettypefromhandle_method;
10345 MonoMethodSignature *sig;
10346 MonoExceptionClause *clause;
10347 MonoMethodBuilder *mb;
10350 int i, pos, this_local, ret_local = 0;
10351 MonoGenericContext *ctx = NULL;
10352 MonoMethod *orig_method = NULL;
10353 MonoGenericContainer *container = NULL;
10357 if (method->wrapper_type == MONO_WRAPPER_SYNCHRONIZED)
10360 /* FIXME: Support generic methods too */
10361 if (method->is_inflated && !mono_method_get_context (method)->method_inst) {
10362 orig_method = method;
10363 ctx = &((MonoMethodInflated*)method)->context;
10364 method = ((MonoMethodInflated*)method)->declaring;
10365 container = mono_method_get_generic_container (method);
10367 container = method->klass->generic_container;
10368 g_assert (container);
10375 cache = get_cache (&method->klass->image->synchronized_generic_cache, mono_aligned_addr_hash, NULL);
10376 res = check_generic_wrapper_cache (cache, orig_method, orig_method, method);
10380 cache = get_cache (&method->klass->image->synchronized_cache, mono_aligned_addr_hash, NULL);
10381 if ((res = mono_marshal_find_in_cache (cache, method)))
10385 sig = signature_dup (method->klass->image, mono_method_signature (method));
10388 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_SYNCHRONIZED);
10390 #ifndef DISABLE_JIT
10392 if (!MONO_TYPE_IS_VOID (sig->ret))
10393 ret_local = mono_mb_add_local (mb, sig->ret);
10396 if (method->klass->valuetype && !(method->flags & MONO_METHOD_ATTR_STATIC)) {
10397 mono_class_set_failure (method->klass, MONO_EXCEPTION_TYPE_LOAD, NULL);
10398 #ifndef DISABLE_JIT
10399 /* This will throw the type load exception when the wrapper is compiled */
10400 mono_mb_emit_byte (mb, CEE_LDNULL);
10401 mono_mb_emit_op (mb, CEE_ISINST, method->klass);
10402 mono_mb_emit_byte (mb, CEE_POP);
10404 if (!MONO_TYPE_IS_VOID (sig->ret))
10405 mono_mb_emit_ldloc (mb, ret_local);
10406 mono_mb_emit_byte (mb, CEE_RET);
10409 res = mono_mb_create_and_cache (cache, method,
10410 mb, sig, sig->param_count + 16);
10416 #ifndef DISABLE_JIT
10418 this_local = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
10420 clause = mono_image_alloc0 (method->klass->image, sizeof (MonoExceptionClause));
10421 clause->flags = MONO_EXCEPTION_CLAUSE_FINALLY;
10424 mono_loader_lock ();
10426 if (!enter_method) {
10427 MonoMethodDesc *desc;
10429 desc = mono_method_desc_new ("Monitor:Enter", FALSE);
10430 enter_method = mono_method_desc_search_in_class (desc, mono_defaults.monitor_class);
10431 g_assert (enter_method);
10432 mono_method_desc_free (desc);
10434 desc = mono_method_desc_new ("Monitor:Exit", FALSE);
10435 exit_method = mono_method_desc_search_in_class (desc, mono_defaults.monitor_class);
10436 g_assert (exit_method);
10437 mono_method_desc_free (desc);
10439 desc = mono_method_desc_new ("Type:GetTypeFromHandle", FALSE);
10440 gettypefromhandle_method = mono_method_desc_search_in_class (desc, mono_defaults.monotype_class->parent);
10441 g_assert (gettypefromhandle_method);
10442 mono_method_desc_free (desc);
10445 mono_loader_unlock ();
10447 #ifndef DISABLE_JIT
10448 /* Push this or the type object */
10449 if (method->flags & METHOD_ATTRIBUTE_STATIC) {
10450 /* We have special handling for this in the JIT */
10451 int index = mono_mb_add_data (mb, method->klass);
10452 mono_mb_add_data (mb, mono_defaults.typehandle_class);
10453 mono_mb_emit_byte (mb, CEE_LDTOKEN);
10454 mono_mb_emit_i4 (mb, index);
10456 mono_mb_emit_managed_call (mb, gettypefromhandle_method, NULL);
10459 mono_mb_emit_ldarg (mb, 0);
10460 mono_mb_emit_stloc (mb, this_local);
10462 /* Call Monitor::Enter() */
10463 mono_mb_emit_ldloc (mb, this_local);
10464 mono_mb_emit_managed_call (mb, enter_method, NULL);
10466 clause->try_offset = mono_mb_get_label (mb);
10468 /* Call the method */
10470 mono_mb_emit_ldarg (mb, 0);
10471 for (i = 0; i < sig->param_count; i++)
10472 mono_mb_emit_ldarg (mb, i + (sig->hasthis == TRUE));
10475 mono_mb_emit_managed_call (mb, mono_class_inflate_generic_method (method, &container->context), NULL);
10477 mono_mb_emit_managed_call (mb, method, NULL);
10479 if (!MONO_TYPE_IS_VOID (sig->ret))
10480 mono_mb_emit_stloc (mb, ret_local);
10482 pos = mono_mb_emit_branch (mb, CEE_LEAVE);
10484 clause->try_len = mono_mb_get_pos (mb) - clause->try_offset;
10485 clause->handler_offset = mono_mb_get_label (mb);
10487 /* Call Monitor::Exit() */
10488 mono_mb_emit_ldloc (mb, this_local);
10489 mono_mb_emit_managed_call (mb, exit_method, NULL);
10490 mono_mb_emit_byte (mb, CEE_ENDFINALLY);
10492 clause->handler_len = mono_mb_get_pos (mb) - clause->handler_offset;
10494 mono_mb_patch_branch (mb, pos);
10495 if (!MONO_TYPE_IS_VOID (sig->ret))
10496 mono_mb_emit_ldloc (mb, ret_local);
10497 mono_mb_emit_byte (mb, CEE_RET);
10499 mono_mb_set_clauses (mb, 1, clause);
10504 def = mono_mb_create_and_cache (cache, method, mb, sig, sig->param_count + 16);
10505 res = cache_generic_wrapper (cache, orig_method, def, ctx, orig_method);
10507 res = mono_mb_create_and_cache (cache, method,
10508 mb, sig, sig->param_count + 16);
10517 * the returned method calls 'method' unboxing the this argument
10520 mono_marshal_get_unbox_wrapper (MonoMethod *method)
10522 MonoMethodSignature *sig = mono_method_signature (method);
10524 MonoMethodBuilder *mb;
10528 cache = get_cache (&method->klass->image->unbox_wrapper_cache, mono_aligned_addr_hash, NULL);
10529 if ((res = mono_marshal_find_in_cache (cache, method)))
10532 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_UNBOX);
10534 g_assert (sig->hasthis);
10536 #ifndef DISABLE_JIT
10537 mono_mb_emit_ldarg (mb, 0);
10538 mono_mb_emit_icon (mb, sizeof (MonoObject));
10539 mono_mb_emit_byte (mb, CEE_ADD);
10540 for (i = 0; i < sig->param_count; ++i)
10541 mono_mb_emit_ldarg (mb, i + 1);
10542 mono_mb_emit_managed_call (mb, method, NULL);
10543 mono_mb_emit_byte (mb, CEE_RET);
10546 res = mono_mb_create_and_cache (cache, method,
10547 mb, sig, sig->param_count + 16);
10550 /* code_for (res); */
10556 STELEMREF_OBJECT, /*no check at all*/
10557 STELEMREF_SEALED_CLASS, /*check vtable->klass->element_type */
10558 STELEMREF_CLASS, /*only the klass->parents check*/
10559 STELEMREF_INTERFACE, /*interfaces without variant generic arguments. */
10560 STELEMREF_COMPLEX, /*arrays, MBR or types with variant generic args - go straight to icalls*/
10561 STELEMREF_KIND_COUNT
10564 static const char *strelemref_wrapper_name[] = {
10565 "object", "sealed_class", "class", "interface", "complex"
10569 is_monomorphic_array (MonoClass *klass)
10571 MonoClass *element_class;
10572 if (klass->rank != 1)
10575 element_class = klass->element_class;
10576 return (element_class->flags & TYPE_ATTRIBUTE_SEALED) || element_class->valuetype;
10580 get_virtual_stelemref_kind (MonoClass *element_class)
10582 if (element_class == mono_defaults.object_class)
10583 return STELEMREF_OBJECT;
10584 if (is_monomorphic_array (element_class))
10585 return STELEMREF_SEALED_CLASS;
10586 /* Compressed interface bitmaps require code that is quite complex, so don't optimize for it. */
10587 if (MONO_CLASS_IS_INTERFACE (element_class) && !mono_class_has_variant_generic_params (element_class))
10588 #ifdef COMPRESSED_INTERFACE_BITMAP
10589 return STELEMREF_COMPLEX;
10591 return STELEMREF_INTERFACE;
10593 /*Arrays are sealed but are covariant on their element type, We can't use any of the fast paths.*/
10594 if (mono_class_is_marshalbyref (element_class) || element_class->rank || mono_class_has_variant_generic_params (element_class))
10595 return STELEMREF_COMPLEX;
10596 if (element_class->flags & TYPE_ATTRIBUTE_SEALED)
10597 return STELEMREF_SEALED_CLASS;
10598 return STELEMREF_CLASS;
10601 #ifndef DISABLE_JIT
10604 load_array_element_address (MonoMethodBuilder *mb)
10606 mono_mb_emit_ldarg (mb, 0);
10607 mono_mb_emit_ldarg (mb, 1);
10608 mono_mb_emit_op (mb, CEE_LDELEMA, mono_defaults.object_class);
10612 load_array_class (MonoMethodBuilder *mb, int aklass)
10614 mono_mb_emit_ldarg (mb, 0);
10615 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
10616 mono_mb_emit_byte (mb, CEE_LDIND_I);
10617 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, klass));
10618 mono_mb_emit_byte (mb, CEE_LDIND_I);
10619 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, element_class));
10620 mono_mb_emit_byte (mb, CEE_LDIND_I);
10621 mono_mb_emit_stloc (mb, aklass);
10625 load_value_class (MonoMethodBuilder *mb, int vklass)
10627 mono_mb_emit_ldarg (mb, 2);
10628 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
10629 mono_mb_emit_byte (mb, CEE_LDIND_I);
10630 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, klass));
10631 mono_mb_emit_byte (mb, CEE_LDIND_I);
10632 mono_mb_emit_stloc (mb, vklass);
10638 record_slot_vstore (MonoObject *array, size_t index, MonoObject *value)
10640 char *name = mono_type_get_full_name (array->vtable->klass->element_class);
10641 printf ("slow vstore of %s\n", name);
10647 * The wrapper info for the wrapper is a WrapperInfo structure.
10650 * - Separate simple interfaces from variant interfaces or mbr types. This way we can avoid the icall for them.
10651 * - Emit a (new) mono bytecode that produces OP_COND_EXC_NE_UN to raise ArrayTypeMismatch
10652 * - Maybe mve some MonoClass field into the vtable to reduce the number of loads
10653 * - Add a case for arrays of arrays.
10656 get_virtual_stelemref_wrapper (int kind)
10658 static MonoMethod *cached_methods [STELEMREF_KIND_COUNT] = { NULL }; /*object iface sealed regular*/
10659 static MonoMethodSignature *signature;
10660 MonoMethodBuilder *mb;
10663 const char *param_names [16];
10664 guint32 b1, b2, b3;
10665 int aklass, vklass, vtable, uiid;
10666 int array_slot_addr;
10669 if (cached_methods [kind])
10670 return cached_methods [kind];
10672 name = g_strdup_printf ("virt_stelemref_%s", strelemref_wrapper_name [kind]);
10673 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_STELEMREF);
10677 MonoMethodSignature *sig = mono_metadata_signature_alloc (mono_defaults.corlib, 2);
10679 /* void this::stelemref (size_t idx, void* value) */
10680 sig->ret = &mono_defaults.void_class->byval_arg;
10681 sig->hasthis = TRUE;
10682 sig->params [0] = &mono_defaults.int_class->byval_arg; /* this is a natural sized int */
10683 sig->params [1] = &mono_defaults.object_class->byval_arg;
10687 #ifndef DISABLE_JIT
10688 param_names [0] = "index";
10689 param_names [1] = "value";
10690 mono_mb_set_param_names (mb, param_names);
10692 /*For now simply call plain old stelemref*/
10694 case STELEMREF_OBJECT:
10695 /* ldelema (implicit bound check) */
10696 load_array_element_address (mb);
10698 mono_mb_emit_ldarg (mb, 2);
10699 mono_mb_emit_byte (mb, CEE_STIND_REF);
10700 mono_mb_emit_byte (mb, CEE_RET);
10703 case STELEMREF_COMPLEX:
10705 <ldelema (bound check)>
10708 if (!mono_object_isinst (value, aklass))
10712 *array_slot_addr = value;
10715 throw new ArrayTypeMismatchException ();
10718 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10719 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
10723 /*Use this to debug/record stores that are going thru the slow path*/
10724 MonoMethodSignature *csig;
10725 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
10726 csig->ret = &mono_defaults.void_class->byval_arg;
10727 csig->params [0] = &mono_defaults.object_class->byval_arg;
10728 csig->params [1] = &mono_defaults.int_class->byval_arg; /* this is a natural sized int */
10729 csig->params [2] = &mono_defaults.object_class->byval_arg;
10730 mono_mb_emit_ldarg (mb, 0);
10731 mono_mb_emit_ldarg (mb, 1);
10732 mono_mb_emit_ldarg (mb, 2);
10733 mono_mb_emit_native_call (mb, csig, record_slot_vstore);
10737 /* ldelema (implicit bound check) */
10738 load_array_element_address (mb);
10739 mono_mb_emit_stloc (mb, array_slot_addr);
10741 /* if (!value) goto do_store */
10742 mono_mb_emit_ldarg (mb, 2);
10743 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
10745 /* aklass = array->vtable->klass->element_class */
10746 load_array_class (mb, aklass);
10748 /*if (mono_object_isinst (value, aklass)) */
10749 mono_mb_emit_ldarg (mb, 2);
10750 mono_mb_emit_ldloc (mb, aklass);
10751 mono_mb_emit_icall (mb, mono_object_isinst);
10752 b2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
10755 mono_mb_patch_branch (mb, b1);
10756 mono_mb_emit_ldloc (mb, array_slot_addr);
10757 mono_mb_emit_ldarg (mb, 2);
10758 mono_mb_emit_byte (mb, CEE_STIND_REF);
10759 mono_mb_emit_byte (mb, CEE_RET);
10761 /* do_exception: */
10762 mono_mb_patch_branch (mb, b2);
10764 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
10767 case STELEMREF_SEALED_CLASS:
10769 <ldelema (bound check)>
10773 aklass = array->vtable->klass->element_class;
10774 vklass = value->vtable->klass;
10776 if (vklass != aklass)
10780 *array_slot_addr = value;
10783 throw new ArrayTypeMismatchException ();
10785 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10786 vklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10787 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
10790 /* ldelema (implicit bound check) */
10791 load_array_element_address (mb);
10792 mono_mb_emit_stloc (mb, array_slot_addr);
10794 /* if (!value) goto do_store */
10795 mono_mb_emit_ldarg (mb, 2);
10796 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
10798 /* aklass = array->vtable->klass->element_class */
10799 load_array_class (mb, aklass);
10801 /* vklass = value->vtable->klass */
10802 load_value_class (mb, vklass);
10804 /*if (vklass != aklass) goto do_exception; */
10805 mono_mb_emit_ldloc (mb, aklass);
10806 mono_mb_emit_ldloc (mb, vklass);
10807 b2 = mono_mb_emit_branch (mb, CEE_BNE_UN);
10810 mono_mb_patch_branch (mb, b1);
10811 mono_mb_emit_ldloc (mb, array_slot_addr);
10812 mono_mb_emit_ldarg (mb, 2);
10813 mono_mb_emit_byte (mb, CEE_STIND_REF);
10814 mono_mb_emit_byte (mb, CEE_RET);
10816 /* do_exception: */
10817 mono_mb_patch_branch (mb, b2);
10818 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
10821 case STELEMREF_CLASS:
10824 <ldelema (bound check)>
10828 aklass = array->vtable->klass->element_class;
10829 vklass = value->vtable->klass;
10831 if (vklass->idepth < aklass->idepth)
10834 if (vklass->supertypes [aklass->idepth - 1] != aklass)
10838 *array_slot_addr = value;
10842 throw new ArrayTypeMismatchException ();
10844 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10845 vklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10846 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
10848 /* ldelema (implicit bound check) */
10849 load_array_element_address (mb);
10850 mono_mb_emit_stloc (mb, array_slot_addr);
10852 /* if (!value) goto do_store */
10853 mono_mb_emit_ldarg (mb, 2);
10854 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
10856 /* aklass = array->vtable->klass->element_class */
10857 load_array_class (mb, aklass);
10859 /* vklass = value->vtable->klass */
10860 load_value_class (mb, vklass);
10862 /*if (mono_object_isinst (value, aklass)) */
10863 mono_mb_emit_ldarg (mb, 2);
10864 mono_mb_emit_ldloc (mb, aklass);
10865 mono_mb_emit_icall (mb, mono_object_isinst);
10866 b2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
10868 /* if (vklass->idepth < aklass->idepth) goto failue */
10869 mono_mb_emit_ldloc (mb, vklass);
10870 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
10871 mono_mb_emit_byte (mb, CEE_LDIND_U2);
10873 mono_mb_emit_ldloc (mb, aklass);
10874 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
10875 mono_mb_emit_byte (mb, CEE_LDIND_U2);
10877 b2 = mono_mb_emit_branch (mb, CEE_BLT_UN);
10879 /* if (vklass->supertypes [aklass->idepth - 1] != aklass) goto failure */
10880 mono_mb_emit_ldloc (mb, vklass);
10881 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, supertypes));
10882 mono_mb_emit_byte (mb, CEE_LDIND_I);
10884 mono_mb_emit_ldloc (mb, aklass);
10885 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
10886 mono_mb_emit_byte (mb, CEE_LDIND_U2);
10887 mono_mb_emit_icon (mb, 1);
10888 mono_mb_emit_byte (mb, CEE_SUB);
10889 mono_mb_emit_icon (mb, sizeof (void*));
10890 mono_mb_emit_byte (mb, CEE_MUL);
10891 mono_mb_emit_byte (mb, CEE_ADD);
10892 mono_mb_emit_byte (mb, CEE_LDIND_I);
10894 mono_mb_emit_ldloc (mb, aklass);
10895 b3 = mono_mb_emit_branch (mb, CEE_BNE_UN);
10898 mono_mb_patch_branch (mb, b1);
10899 mono_mb_emit_ldloc (mb, array_slot_addr);
10900 mono_mb_emit_ldarg (mb, 2);
10901 mono_mb_emit_byte (mb, CEE_STIND_REF);
10902 mono_mb_emit_byte (mb, CEE_RET);
10904 /* do_exception: */
10905 mono_mb_patch_branch (mb, b2);
10906 mono_mb_patch_branch (mb, b3);
10908 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
10911 case STELEMREF_INTERFACE:
10918 klass = array->obj.vtable->klass->element_class;
10919 vt = value->vtable;
10920 uiid = klass->interface_id;
10921 if (uiid > vt->max_interface_id)
10923 if (!(vt->interface_bitmap [(uiid) >> 3] & (1 << ((uiid)&7))))
10926 mono_array_setref (array, index, value);
10929 mono_raise_exception (mono_get_exception_array_type_mismatch ());*/
10931 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
10932 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10933 vtable = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10934 uiid = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
10936 /* ldelema (implicit bound check) */
10937 load_array_element_address (mb);
10938 mono_mb_emit_stloc (mb, array_slot_addr);
10940 /* if (!value) goto do_store */
10941 mono_mb_emit_ldarg (mb, 2);
10942 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
10944 /* klass = array->vtable->klass->element_class */
10945 load_array_class (mb, aklass);
10947 /* vt = value->vtable */
10948 mono_mb_emit_ldarg (mb, 2);
10949 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
10950 mono_mb_emit_byte (mb, CEE_LDIND_I);
10951 mono_mb_emit_stloc (mb, vtable);
10953 /* uiid = klass->interface_id; */
10954 mono_mb_emit_ldloc (mb, aklass);
10955 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, interface_id));
10956 mono_mb_emit_byte (mb, CEE_LDIND_U2);
10957 mono_mb_emit_stloc (mb, uiid);
10959 /*if (uiid > vt->max_interface_id)*/
10960 mono_mb_emit_ldloc (mb, uiid);
10961 mono_mb_emit_ldloc (mb, vtable);
10962 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, max_interface_id));
10963 mono_mb_emit_byte (mb, CEE_LDIND_U2);
10964 b2 = mono_mb_emit_branch (mb, CEE_BGT_UN);
10966 /* if (!(vt->interface_bitmap [(uiid) >> 3] & (1 << ((uiid)&7)))) */
10968 /*vt->interface_bitmap*/
10969 mono_mb_emit_ldloc (mb, vtable);
10970 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, interface_bitmap));
10971 mono_mb_emit_byte (mb, CEE_LDIND_I);
10974 mono_mb_emit_ldloc (mb, uiid);
10975 mono_mb_emit_icon (mb, 3);
10976 mono_mb_emit_byte (mb, CEE_SHR_UN);
10978 /*vt->interface_bitmap [(uiid) >> 3]*/
10979 mono_mb_emit_byte (mb, CEE_ADD); /*interface_bitmap is a guint8 array*/
10980 mono_mb_emit_byte (mb, CEE_LDIND_U1);
10982 /*(1 << ((uiid)&7)))*/
10983 mono_mb_emit_icon (mb, 1);
10984 mono_mb_emit_ldloc (mb, uiid);
10985 mono_mb_emit_icon (mb, 7);
10986 mono_mb_emit_byte (mb, CEE_AND);
10987 mono_mb_emit_byte (mb, CEE_SHL);
10989 /*bitwise and the whole thing*/
10990 mono_mb_emit_byte (mb, CEE_AND);
10991 b3 = mono_mb_emit_branch (mb, CEE_BRFALSE);
10994 mono_mb_patch_branch (mb, b1);
10995 mono_mb_emit_ldloc (mb, array_slot_addr);
10996 mono_mb_emit_ldarg (mb, 2);
10997 mono_mb_emit_byte (mb, CEE_STIND_REF);
10998 mono_mb_emit_byte (mb, CEE_RET);
11000 /* do_exception: */
11001 mono_mb_patch_branch (mb, b2);
11002 mono_mb_patch_branch (mb, b3);
11003 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
11007 mono_mb_emit_ldarg (mb, 0);
11008 mono_mb_emit_ldarg (mb, 1);
11009 mono_mb_emit_ldarg (mb, 2);
11010 mono_mb_emit_managed_call (mb, mono_marshal_get_stelemref (), NULL);
11011 mono_mb_emit_byte (mb, CEE_RET);
11014 #endif /* DISABLE_JIT */
11016 res = mono_mb_create_method (mb, signature, 4);
11017 res->flags |= METHOD_ATTRIBUTE_VIRTUAL;
11019 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_VIRTUAL_STELEMREF);
11020 info->d.virtual_stelemref.kind = kind;
11021 mono_marshal_set_wrapper_info (res, info);
11023 mono_marshal_lock ();
11024 if (!cached_methods [kind]) {
11025 cached_methods [kind] = res;
11026 mono_marshal_unlock ();
11028 mono_marshal_unlock ();
11029 mono_free_method (res);
11033 return cached_methods [kind];
11037 mono_marshal_get_virtual_stelemref (MonoClass *array_class)
11041 g_assert (array_class->rank == 1);
11042 kind = get_virtual_stelemref_kind (array_class->element_class);
11044 return get_virtual_stelemref_wrapper (kind);
11048 mono_marshal_get_virtual_stelemref_wrappers (int *nwrappers)
11053 *nwrappers = STELEMREF_KIND_COUNT;
11054 res = g_malloc0 (STELEMREF_KIND_COUNT * sizeof (MonoMethod*));
11055 for (i = 0; i < STELEMREF_KIND_COUNT; ++i)
11056 res [i] = get_virtual_stelemref_wrapper (i);
11061 * The wrapper info for the wrapper is a WrapperInfo structure.
11064 mono_marshal_get_stelemref ()
11066 static MonoMethod* ret = NULL;
11067 MonoMethodSignature *sig;
11068 MonoMethodBuilder *mb;
11071 guint32 b1, b2, b3, b4;
11073 int aklass, vklass;
11074 int array_slot_addr;
11079 mb = mono_mb_new (mono_defaults.object_class, "stelemref", MONO_WRAPPER_STELEMREF);
11082 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
11084 /* void stelemref (void* array, int idx, void* value) */
11085 sig->ret = &mono_defaults.void_class->byval_arg;
11086 sig->params [0] = &mono_defaults.object_class->byval_arg;
11087 sig->params [1] = &mono_defaults.int_class->byval_arg; /* this is a natural sized int */
11088 sig->params [2] = &mono_defaults.object_class->byval_arg;
11090 #ifndef DISABLE_JIT
11091 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
11092 vklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
11093 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
11097 <ldelema (bound check)>
11101 aklass = array->vtable->klass->element_class;
11102 vklass = value->vtable->klass;
11104 if (vklass->idepth < aklass->idepth)
11107 if (vklass->supertypes [aklass->idepth - 1] != aklass)
11111 *array_slot_addr = value;
11115 if (mono_object_isinst (value, aklass))
11118 throw new ArrayTypeMismatchException ();
11121 /* ldelema (implicit bound check) */
11122 mono_mb_emit_ldarg (mb, 0);
11123 mono_mb_emit_ldarg (mb, 1);
11124 mono_mb_emit_op (mb, CEE_LDELEMA, mono_defaults.object_class);
11125 mono_mb_emit_stloc (mb, array_slot_addr);
11127 /* if (!value) goto do_store */
11128 mono_mb_emit_ldarg (mb, 2);
11129 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
11131 /* aklass = array->vtable->klass->element_class */
11132 mono_mb_emit_ldarg (mb, 0);
11133 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
11134 mono_mb_emit_byte (mb, CEE_LDIND_I);
11135 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, klass));
11136 mono_mb_emit_byte (mb, CEE_LDIND_I);
11137 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, element_class));
11138 mono_mb_emit_byte (mb, CEE_LDIND_I);
11139 mono_mb_emit_stloc (mb, aklass);
11141 /* vklass = value->vtable->klass */
11142 mono_mb_emit_ldarg (mb, 2);
11143 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
11144 mono_mb_emit_byte (mb, CEE_LDIND_I);
11145 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, klass));
11146 mono_mb_emit_byte (mb, CEE_LDIND_I);
11147 mono_mb_emit_stloc (mb, vklass);
11149 /* if (vklass->idepth < aklass->idepth) goto failue */
11150 mono_mb_emit_ldloc (mb, vklass);
11151 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
11152 mono_mb_emit_byte (mb, CEE_LDIND_U2);
11154 mono_mb_emit_ldloc (mb, aklass);
11155 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
11156 mono_mb_emit_byte (mb, CEE_LDIND_U2);
11158 b2 = mono_mb_emit_branch (mb, CEE_BLT_UN);
11160 /* if (vklass->supertypes [aklass->idepth - 1] != aklass) goto failure */
11161 mono_mb_emit_ldloc (mb, vklass);
11162 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, supertypes));
11163 mono_mb_emit_byte (mb, CEE_LDIND_I);
11165 mono_mb_emit_ldloc (mb, aklass);
11166 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
11167 mono_mb_emit_byte (mb, CEE_LDIND_U2);
11168 mono_mb_emit_icon (mb, 1);
11169 mono_mb_emit_byte (mb, CEE_SUB);
11170 mono_mb_emit_icon (mb, sizeof (void*));
11171 mono_mb_emit_byte (mb, CEE_MUL);
11172 mono_mb_emit_byte (mb, CEE_ADD);
11173 mono_mb_emit_byte (mb, CEE_LDIND_I);
11175 mono_mb_emit_ldloc (mb, aklass);
11177 b3 = mono_mb_emit_branch (mb, CEE_BNE_UN);
11179 copy_pos = mono_mb_get_label (mb);
11181 mono_mb_patch_branch (mb, b1);
11182 mono_mb_emit_ldloc (mb, array_slot_addr);
11183 mono_mb_emit_ldarg (mb, 2);
11184 mono_mb_emit_byte (mb, CEE_STIND_REF);
11186 mono_mb_emit_byte (mb, CEE_RET);
11189 mono_mb_patch_branch (mb, b2);
11190 mono_mb_patch_branch (mb, b3);
11192 mono_mb_emit_ldarg (mb, 2);
11193 mono_mb_emit_ldloc (mb, aklass);
11194 mono_mb_emit_icall (mb, mono_object_isinst);
11196 b4 = mono_mb_emit_branch (mb, CEE_BRTRUE);
11197 mono_mb_patch_addr (mb, b4, copy_pos - (b4 + 4));
11198 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
11200 mono_mb_emit_byte (mb, CEE_RET);
11203 ret = mono_mb_create_method (mb, sig, 4);
11206 info = mono_wrapper_info_create (ret, WRAPPER_SUBTYPE_NONE);
11207 mono_marshal_set_wrapper_info (ret, info);
11213 * mono_marshal_get_gsharedvt_in_wrapper:
11215 * This wrapper handles calls from normal code to gsharedvt code.
11217 * The wrapper info for the wrapper is a WrapperInfo structure.
11220 mono_marshal_get_gsharedvt_in_wrapper (void)
11222 static MonoMethod* ret = NULL;
11223 MonoMethodSignature *sig;
11224 MonoMethodBuilder *mb;
11230 mb = mono_mb_new (mono_defaults.object_class, "gsharedvt_in", MONO_WRAPPER_UNKNOWN);
11232 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
11233 sig->ret = &mono_defaults.void_class->byval_arg;
11235 #ifndef DISABLE_JIT
11237 * The body is generated by the JIT, we use a wrapper instead of a trampoline so EH works.
11239 mono_mb_emit_byte (mb, CEE_RET);
11242 ret = mono_mb_create_method (mb, sig, 4);
11245 info = mono_wrapper_info_create (ret, WRAPPER_SUBTYPE_GSHAREDVT_IN);
11246 mono_marshal_set_wrapper_info (ret, info);
11252 * mono_marshal_get_gsharedvt_out_wrapper:
11254 * This wrapper handles calls from gsharedvt code to normal code.
11256 * The wrapper info for the wrapper is a WrapperInfo structure.
11259 mono_marshal_get_gsharedvt_out_wrapper (void)
11261 static MonoMethod* ret = NULL;
11262 MonoMethodSignature *sig;
11263 MonoMethodBuilder *mb;
11269 mb = mono_mb_new (mono_defaults.object_class, "gsharedvt_out", MONO_WRAPPER_UNKNOWN);
11271 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
11272 sig->ret = &mono_defaults.void_class->byval_arg;
11274 #ifndef DISABLE_JIT
11276 * The body is generated by the JIT, we use a wrapper instead of a trampoline so EH works.
11278 mono_mb_emit_byte (mb, CEE_RET);
11281 ret = mono_mb_create_method (mb, sig, 4);
11284 info = mono_wrapper_info_create (ret, WRAPPER_SUBTYPE_GSHAREDVT_OUT);
11285 mono_marshal_set_wrapper_info (ret, info);
11293 MonoMethod *method;
11296 /* LOCKING: vars accessed under the marshal lock */
11297 static ArrayElemAddr *elem_addr_cache = NULL;
11298 static int elem_addr_cache_size = 0;
11299 static int elem_addr_cache_next = 0;
11302 * mono_marshal_get_array_address:
11303 * @rank: rank of the array type
11304 * @elem_size: size in bytes of an element of an array.
11306 * Returns a MonoMethd that implements the code to get the address
11307 * of an element in a multi-dimenasional array of @rank dimensions.
11308 * The returned method takes an array as the first argument and then
11309 * @rank indexes for the @rank dimensions.
11312 mono_marshal_get_array_address (int rank, int elem_size)
11315 MonoMethodBuilder *mb;
11316 MonoMethodSignature *sig;
11317 int i, bounds, ind, realidx;
11318 int branch_pos, *branch_positions;
11322 mono_marshal_lock ();
11323 for (i = 0; i < elem_addr_cache_next; ++i) {
11324 if (elem_addr_cache [i].rank == rank && elem_addr_cache [i].elem_size == elem_size) {
11325 ret = elem_addr_cache [i].method;
11329 mono_marshal_unlock ();
11333 branch_positions = g_new0 (int, rank);
11335 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1 + rank);
11337 /* void* address (void* array, int idx0, int idx1, int idx2, ...) */
11338 sig->ret = &mono_defaults.int_class->byval_arg;
11339 sig->params [0] = &mono_defaults.object_class->byval_arg;
11340 for (i = 0; i < rank; ++i) {
11341 sig->params [i + 1] = &mono_defaults.int32_class->byval_arg;
11344 mb = mono_mb_new (mono_defaults.object_class, "ElementAddr", MONO_WRAPPER_MANAGED_TO_MANAGED);
11346 #ifndef DISABLE_JIT
11347 bounds = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
11348 ind = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
11349 realidx = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
11351 /* bounds = array->bounds; */
11352 mono_mb_emit_ldarg (mb, 0);
11353 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoArray, bounds));
11354 mono_mb_emit_byte (mb, CEE_LDIND_I);
11355 mono_mb_emit_stloc (mb, bounds);
11357 /* ind is the overall element index, realidx is the partial index in a single dimension */
11358 /* ind = idx0 - bounds [0].lower_bound */
11359 mono_mb_emit_ldarg (mb, 1);
11360 mono_mb_emit_ldloc (mb, bounds);
11361 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArrayBounds, lower_bound));
11362 mono_mb_emit_byte (mb, CEE_ADD);
11363 mono_mb_emit_byte (mb, CEE_LDIND_I4);
11364 mono_mb_emit_byte (mb, CEE_SUB);
11365 mono_mb_emit_stloc (mb, ind);
11366 /* if (ind >= bounds [0].length) goto exeception; */
11367 mono_mb_emit_ldloc (mb, ind);
11368 mono_mb_emit_ldloc (mb, bounds);
11369 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArrayBounds, length));
11370 mono_mb_emit_byte (mb, CEE_ADD);
11371 mono_mb_emit_byte (mb, CEE_LDIND_I4);
11372 /* note that we use unsigned comparison */
11373 branch_pos = mono_mb_emit_branch (mb, CEE_BGE_UN);
11375 /* For large ranks (> 4?) use a loop n IL later to reduce code size.
11376 * We could also decide to ignore the passed elem_size and get it
11377 * from the array object, to reduce the number of methods we generate:
11378 * the additional cost is 3 memory loads and a non-immediate mul.
11380 for (i = 1; i < rank; ++i) {
11381 /* realidx = idxi - bounds [i].lower_bound */
11382 mono_mb_emit_ldarg (mb, 1 + i);
11383 mono_mb_emit_ldloc (mb, bounds);
11384 mono_mb_emit_icon (mb, (i * sizeof (MonoArrayBounds)) + G_STRUCT_OFFSET (MonoArrayBounds, lower_bound));
11385 mono_mb_emit_byte (mb, CEE_ADD);
11386 mono_mb_emit_byte (mb, CEE_LDIND_I4);
11387 mono_mb_emit_byte (mb, CEE_SUB);
11388 mono_mb_emit_stloc (mb, realidx);
11389 /* if (realidx >= bounds [i].length) goto exeception; */
11390 mono_mb_emit_ldloc (mb, realidx);
11391 mono_mb_emit_ldloc (mb, bounds);
11392 mono_mb_emit_icon (mb, (i * sizeof (MonoArrayBounds)) + G_STRUCT_OFFSET (MonoArrayBounds, length));
11393 mono_mb_emit_byte (mb, CEE_ADD);
11394 mono_mb_emit_byte (mb, CEE_LDIND_I4);
11395 branch_positions [i] = mono_mb_emit_branch (mb, CEE_BGE_UN);
11396 /* ind = ind * bounds [i].length + realidx */
11397 mono_mb_emit_ldloc (mb, ind);
11398 mono_mb_emit_ldloc (mb, bounds);
11399 mono_mb_emit_icon (mb, (i * sizeof (MonoArrayBounds)) + G_STRUCT_OFFSET (MonoArrayBounds, length));
11400 mono_mb_emit_byte (mb, CEE_ADD);
11401 mono_mb_emit_byte (mb, CEE_LDIND_I4);
11402 mono_mb_emit_byte (mb, CEE_MUL);
11403 mono_mb_emit_ldloc (mb, realidx);
11404 mono_mb_emit_byte (mb, CEE_ADD);
11405 mono_mb_emit_stloc (mb, ind);
11408 /* return array->vector + ind * element_size */
11409 mono_mb_emit_ldarg (mb, 0);
11410 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoArray, vector));
11411 mono_mb_emit_ldloc (mb, ind);
11412 mono_mb_emit_icon (mb, elem_size);
11413 mono_mb_emit_byte (mb, CEE_MUL);
11414 mono_mb_emit_byte (mb, CEE_ADD);
11415 mono_mb_emit_byte (mb, CEE_RET);
11417 /* patch the branches to get here and throw */
11418 for (i = 1; i < rank; ++i) {
11419 mono_mb_patch_branch (mb, branch_positions [i]);
11421 mono_mb_patch_branch (mb, branch_pos);
11422 /* throw exception */
11423 mono_mb_emit_exception (mb, "IndexOutOfRangeException", NULL);
11425 g_free (branch_positions);
11426 #endif /* DISABLE_JIT */
11428 ret = mono_mb_create_method (mb, sig, 4);
11431 /* cache the result */
11433 mono_marshal_lock ();
11434 for (i = 0; i < elem_addr_cache_next; ++i) {
11435 if (elem_addr_cache [i].rank == rank && elem_addr_cache [i].elem_size == elem_size) {
11436 /* FIXME: free ret */
11437 ret = elem_addr_cache [i].method;
11445 if (elem_addr_cache_next >= elem_addr_cache_size) {
11446 int new_size = elem_addr_cache_size + 4;
11447 ArrayElemAddr *new_array = g_new0 (ArrayElemAddr, new_size);
11448 memcpy (new_array, elem_addr_cache, elem_addr_cache_size * sizeof (ArrayElemAddr));
11449 g_free (elem_addr_cache);
11450 elem_addr_cache = new_array;
11451 elem_addr_cache_size = new_size;
11453 elem_addr_cache [elem_addr_cache_next].rank = rank;
11454 elem_addr_cache [elem_addr_cache_next].elem_size = elem_size;
11455 elem_addr_cache [elem_addr_cache_next].method = ret;
11456 elem_addr_cache_next ++;
11458 info = mono_wrapper_info_create (ret, WRAPPER_SUBTYPE_ELEMENT_ADDR);
11459 info->d.element_addr.rank = rank;
11460 info->d.element_addr.elem_size = elem_size;
11461 mono_marshal_set_wrapper_info (ret, info);
11463 mono_marshal_unlock ();
11468 * mono_marshal_get_array_accessor_wrapper:
11470 * Return a wrapper which just calls METHOD, which should be an Array Get/Set/Address method.
11473 mono_marshal_get_array_accessor_wrapper (MonoMethod *method)
11475 MonoMethodSignature *sig;
11476 MonoMethodBuilder *mb;
11480 MonoGenericContext *ctx = NULL;
11481 MonoMethod *orig_method = NULL;
11482 MonoGenericContainer *container = NULL;
11486 * These wrappers are needed to avoid the JIT replacing the calls to these methods with intrinsics
11487 * inside runtime invoke wrappers, thereby making the wrappers not unshareable.
11488 * FIXME: Use generic methods.
11495 g_assert_not_reached ();
11497 cache = get_cache (&method->klass->image->array_accessor_cache, mono_aligned_addr_hash, NULL);
11498 if ((res = mono_marshal_find_in_cache (cache, method)))
11502 sig = signature_dup (method->klass->image, mono_method_signature (method));
11505 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_UNKNOWN);
11507 #ifndef DISABLE_JIT
11508 /* Call the method */
11510 mono_mb_emit_ldarg (mb, 0);
11511 for (i = 0; i < sig->param_count; i++)
11512 mono_mb_emit_ldarg (mb, i + (sig->hasthis == TRUE));
11515 mono_mb_emit_managed_call (mb, mono_class_inflate_generic_method (method, &container->context), NULL);
11517 mono_mb_emit_managed_call (mb, method, NULL);
11518 mono_mb_emit_byte (mb, CEE_RET);
11523 def = mono_mb_create_and_cache (cache, method, mb, sig, sig->param_count + 16);
11524 res = cache_generic_wrapper (cache, orig_method, def, ctx, orig_method);
11526 res = mono_mb_create_and_cache (cache, method,
11527 mb, sig, sig->param_count + 16);
11528 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_ARRAY_ACCESSOR);
11529 info->d.array_accessor.method = method;
11530 mono_marshal_set_wrapper_info (res, info);
11538 mono_marshal_alloc (gulong size)
11543 res = CoTaskMemAlloc (size);
11545 res = g_try_malloc ((gulong)size);
11547 mono_gc_out_of_memory ((gulong)size);
11553 mono_marshal_free (gpointer ptr)
11556 CoTaskMemFree (ptr);
11563 mono_marshal_free_array (gpointer *ptr, int size)
11570 for (i = 0; i < size; i++)
11576 mono_marshal_string_to_utf16 (MonoString *s)
11578 return s ? mono_string_chars (s) : NULL;
11582 mono_marshal_string_to_utf16_copy (MonoString *s)
11587 gunichar2 *res = mono_marshal_alloc ((mono_string_length (s) * 2) + 2);
11588 memcpy (res, mono_string_chars (s), mono_string_length (s) * 2);
11589 res [mono_string_length (s)] = 0;
11595 * mono_marshal_set_last_error:
11597 * This function is invoked to set the last error value from a P/Invoke call
11598 * which has SetLastError set.
11601 mono_marshal_set_last_error (void)
11604 mono_native_tls_set_value (last_error_tls_id, GINT_TO_POINTER (GetLastError ()));
11606 mono_native_tls_set_value (last_error_tls_id, GINT_TO_POINTER (errno));
11611 mono_marshal_set_last_error_windows (int error)
11614 mono_native_tls_set_value (last_error_tls_id, GINT_TO_POINTER (error));
11619 ves_icall_System_Runtime_InteropServices_Marshal_copy_to_unmanaged (MonoArray *src, gint32 start_index,
11620 gpointer dest, gint32 length)
11625 MONO_ARCH_SAVE_REGS;
11627 MONO_CHECK_ARG_NULL (src);
11628 MONO_CHECK_ARG_NULL (dest);
11630 if (src->obj.vtable->klass->rank != 1)
11631 mono_raise_exception (mono_get_exception_argument ("array", "array is multi-dimensional"));
11632 if (start_index < 0)
11633 mono_raise_exception (mono_get_exception_argument ("startIndex", "Must be >= 0"));
11635 mono_raise_exception (mono_get_exception_argument ("length", "Must be >= 0"));
11636 if (start_index + length > mono_array_length (src))
11637 mono_raise_exception (mono_get_exception_argument ("length", "start_index + length > array length"));
11639 element_size = mono_array_element_size (src->obj.vtable->klass);
11641 /* no references should be involved */
11642 source_addr = mono_array_addr_with_size (src, element_size, start_index);
11644 memcpy (dest, source_addr, length * element_size);
11648 ves_icall_System_Runtime_InteropServices_Marshal_copy_from_unmanaged (gpointer src, gint32 start_index,
11649 MonoArray *dest, gint32 length)
11654 MONO_ARCH_SAVE_REGS;
11656 MONO_CHECK_ARG_NULL (src);
11657 MONO_CHECK_ARG_NULL (dest);
11659 if (dest->obj.vtable->klass->rank != 1)
11660 mono_raise_exception (mono_get_exception_argument ("array", "array is multi-dimensional"));
11661 if (start_index < 0)
11662 mono_raise_exception (mono_get_exception_argument ("startIndex", "Must be >= 0"));
11664 mono_raise_exception (mono_get_exception_argument ("length", "Must be >= 0"));
11665 if (start_index + length > mono_array_length (dest))
11666 mono_raise_exception (mono_get_exception_argument ("length", "start_index + length > array length"));
11668 element_size = mono_array_element_size (dest->obj.vtable->klass);
11670 /* no references should be involved */
11671 dest_addr = mono_array_addr_with_size (dest, element_size, start_index);
11673 memcpy (dest_addr, src, length * element_size);
11677 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringAnsi (char *ptr)
11679 MONO_ARCH_SAVE_REGS;
11684 return mono_string_new (mono_domain_get (), ptr);
11688 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringAnsi_len (char *ptr, gint32 len)
11690 MONO_ARCH_SAVE_REGS;
11693 mono_raise_exception (mono_get_exception_argument_null ("ptr"));
11694 g_assert_not_reached ();
11697 return mono_string_new_len (mono_domain_get (), ptr, len);
11702 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringUni (guint16 *ptr)
11704 MonoDomain *domain = mono_domain_get ();
11708 MONO_ARCH_SAVE_REGS;
11716 return mono_string_new_utf16 (domain, ptr, len);
11720 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringUni_len (guint16 *ptr, gint32 len)
11722 MonoDomain *domain = mono_domain_get ();
11724 MONO_ARCH_SAVE_REGS;
11727 mono_raise_exception (mono_get_exception_argument_null ("ptr"));
11728 g_assert_not_reached ();
11731 return mono_string_new_utf16 (domain, ptr, len);
11736 ves_icall_System_Runtime_InteropServices_Marshal_GetLastWin32Error (void)
11738 MONO_ARCH_SAVE_REGS;
11740 return (GPOINTER_TO_INT (mono_native_tls_get_value (last_error_tls_id)));
11744 ves_icall_System_Runtime_InteropServices_Marshal_SizeOf (MonoReflectionType *rtype)
11750 MONO_ARCH_SAVE_REGS;
11752 MONO_CHECK_ARG_NULL (rtype);
11754 type = rtype->type;
11755 klass = mono_class_from_mono_type (type);
11756 if (!mono_class_init (klass))
11757 mono_raise_exception (mono_class_get_exception_for_failure (klass));
11759 layout = (klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK);
11761 if (layout == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
11763 MonoException *exc;
11765 msg = g_strdup_printf ("Type %s cannot be marshaled as an unmanaged structure.", klass->name);
11766 exc = mono_get_exception_argument ("t", msg);
11768 mono_raise_exception (exc);
11772 return mono_class_native_size (klass, NULL);
11776 ves_icall_System_Runtime_InteropServices_Marshal_StructureToPtr (MonoObject *obj, gpointer dst, MonoBoolean delete_old)
11778 MonoMethod *method;
11781 MONO_ARCH_SAVE_REGS;
11783 MONO_CHECK_ARG_NULL (obj);
11784 MONO_CHECK_ARG_NULL (dst);
11786 method = mono_marshal_get_struct_to_ptr (obj->vtable->klass);
11790 pa [2] = &delete_old;
11792 mono_runtime_invoke (method, NULL, pa, NULL);
11796 ptr_to_structure (gpointer src, MonoObject *dst)
11798 MonoMethod *method;
11801 method = mono_marshal_get_ptr_to_struct (dst->vtable->klass);
11806 mono_runtime_invoke (method, NULL, pa, NULL);
11810 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure (gpointer src, MonoObject *dst)
11814 MONO_ARCH_SAVE_REGS;
11816 MONO_CHECK_ARG_NULL (src);
11817 MONO_CHECK_ARG_NULL (dst);
11819 t = mono_type_get_underlying_type (mono_class_get_type (dst->vtable->klass));
11821 if (t->type == MONO_TYPE_VALUETYPE) {
11822 MonoException *exc;
11825 tmp = g_strdup_printf ("Destination is a boxed value type.");
11826 exc = mono_get_exception_argument ("dst", tmp);
11829 mono_raise_exception (exc);
11833 ptr_to_structure (src, dst);
11837 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure_type (gpointer src, MonoReflectionType *type)
11840 MonoDomain *domain = mono_domain_get ();
11843 MONO_ARCH_SAVE_REGS;
11847 MONO_CHECK_ARG_NULL (type);
11849 klass = mono_class_from_mono_type (type->type);
11850 if (!mono_class_init (klass))
11851 mono_raise_exception (mono_class_get_exception_for_failure (klass));
11853 res = mono_object_new (domain, klass);
11855 ptr_to_structure (src, res);
11861 ves_icall_System_Runtime_InteropServices_Marshal_OffsetOf (MonoReflectionType *type, MonoString *field_name)
11863 MonoMarshalType *info;
11866 int match_index = -1;
11868 MONO_ARCH_SAVE_REGS;
11870 MONO_CHECK_ARG_NULL (type);
11871 MONO_CHECK_ARG_NULL (field_name);
11873 fname = mono_string_to_utf8 (field_name);
11874 klass = mono_class_from_mono_type (type->type);
11875 if (!mono_class_init (klass))
11876 mono_raise_exception (mono_class_get_exception_for_failure (klass));
11878 while (klass && match_index == -1) {
11879 MonoClassField* field;
11881 gpointer iter = NULL;
11882 while ((field = mono_class_get_fields (klass, &iter))) {
11883 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
11885 if (!strcmp (fname, mono_field_get_name (field))) {
11892 if (match_index == -1)
11893 klass = klass->parent;
11898 if(match_index == -1) {
11899 MonoException* exc;
11902 /* Get back original class instance */
11903 klass = mono_class_from_mono_type (type->type);
11905 tmp = g_strdup_printf ("Field passed in is not a marshaled member of the type %s", klass->name);
11906 exc = mono_get_exception_argument ("fieldName", tmp);
11909 mono_raise_exception ((MonoException*)exc);
11912 info = mono_marshal_load_type_info (klass);
11913 return info->fields [match_index].offset;
11917 ves_icall_System_Runtime_InteropServices_Marshal_StringToHGlobalAnsi (MonoString *string)
11922 tres = mono_string_to_utf8 (string);
11926 len = strlen (tres) + 1;
11927 ret = ves_icall_System_Runtime_InteropServices_Marshal_AllocHGlobal (len);
11928 memcpy (ret, tres, len);
11933 return mono_string_to_utf8 (string);
11938 ves_icall_System_Runtime_InteropServices_Marshal_StringToHGlobalUni (MonoString *string)
11940 MONO_ARCH_SAVE_REGS;
11942 if (string == NULL)
11945 #ifdef TARGET_WIN32
11946 gunichar2 *res = ves_icall_System_Runtime_InteropServices_Marshal_AllocHGlobal
11947 ((mono_string_length (string) + 1) * 2);
11949 gunichar2 *res = g_malloc ((mono_string_length (string) + 1) * 2);
11951 memcpy (res, mono_string_chars (string), mono_string_length (string) * 2);
11952 res [mono_string_length (string)] = 0;
11958 mono_struct_delete_old (MonoClass *klass, char *ptr)
11960 MonoMarshalType *info;
11963 info = mono_marshal_load_type_info (klass);
11965 for (i = 0; i < info->num_fields; i++) {
11966 MonoMarshalNative ntype;
11967 MonoMarshalConv conv;
11968 MonoType *ftype = info->fields [i].field->type;
11971 if (ftype->attrs & FIELD_ATTRIBUTE_STATIC)
11974 ntype = mono_type_to_unmanaged (ftype, info->fields [i].mspec, TRUE,
11975 klass->unicode, &conv);
11977 cpos = ptr + info->fields [i].offset;
11980 case MONO_MARSHAL_CONV_NONE:
11981 if (MONO_TYPE_ISSTRUCT (ftype)) {
11982 mono_struct_delete_old (ftype->data.klass, cpos);
11986 case MONO_MARSHAL_CONV_STR_LPWSTR:
11987 /* We assume this field points inside a MonoString */
11989 case MONO_MARSHAL_CONV_STR_LPTSTR:
11990 #ifdef TARGET_WIN32
11991 /* We assume this field points inside a MonoString
11995 case MONO_MARSHAL_CONV_STR_LPSTR:
11996 case MONO_MARSHAL_CONV_STR_BSTR:
11997 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
11998 case MONO_MARSHAL_CONV_STR_TBSTR:
11999 mono_marshal_free (*(gpointer *)cpos);
12009 ves_icall_System_Runtime_InteropServices_Marshal_DestroyStructure (gpointer src, MonoReflectionType *type)
12013 MONO_ARCH_SAVE_REGS;
12015 MONO_CHECK_ARG_NULL (src);
12016 MONO_CHECK_ARG_NULL (type);
12018 klass = mono_class_from_mono_type (type->type);
12019 if (!mono_class_init (klass))
12020 mono_raise_exception (mono_class_get_exception_for_failure (klass));
12022 mono_struct_delete_old (klass, (char *)src);
12026 ves_icall_System_Runtime_InteropServices_Marshal_AllocHGlobal (int size)
12030 MONO_ARCH_SAVE_REGS;
12032 if ((gulong)size == 0)
12033 /* This returns a valid pointer for size 0 on MS.NET */
12037 res = GlobalAlloc (GMEM_FIXED, (gulong)size);
12039 res = g_try_malloc ((gulong)size);
12042 mono_gc_out_of_memory ((gulong)size);
12048 ves_icall_System_Runtime_InteropServices_Marshal_ReAllocHGlobal (gpointer ptr, int size)
12053 mono_gc_out_of_memory ((gulong)size);
12058 res = GlobalReAlloc (ptr, (gulong)size, GMEM_MOVEABLE);
12060 res = g_try_realloc (ptr, (gulong)size);
12063 mono_gc_out_of_memory ((gulong)size);
12069 ves_icall_System_Runtime_InteropServices_Marshal_FreeHGlobal (void *ptr)
12071 MONO_ARCH_SAVE_REGS;
12081 ves_icall_System_Runtime_InteropServices_Marshal_AllocCoTaskMem (int size)
12083 MONO_ARCH_SAVE_REGS;
12086 return CoTaskMemAlloc (size);
12088 return g_try_malloc ((gulong)size);
12093 ves_icall_System_Runtime_InteropServices_Marshal_FreeCoTaskMem (void *ptr)
12095 MONO_ARCH_SAVE_REGS;
12098 CoTaskMemFree (ptr);
12105 ves_icall_System_Runtime_InteropServices_Marshal_ReAllocCoTaskMem (gpointer ptr, int size)
12107 MONO_ARCH_SAVE_REGS;
12110 return CoTaskMemRealloc (ptr, size);
12112 return g_try_realloc (ptr, (gulong)size);
12117 ves_icall_System_Runtime_InteropServices_Marshal_UnsafeAddrOfPinnedArrayElement (MonoArray *arrayobj, int index)
12119 return mono_array_addr_with_size (arrayobj, mono_array_element_size (arrayobj->obj.vtable->klass), index);
12123 ves_icall_System_Runtime_InteropServices_Marshal_GetDelegateForFunctionPointerInternal (void *ftn, MonoReflectionType *type)
12125 MonoClass *klass = mono_type_get_class (type->type);
12126 if (!mono_class_init (klass))
12127 mono_raise_exception (mono_class_get_exception_for_failure (klass));
12129 return mono_ftnptr_to_delegate (klass, ftn);
12133 * mono_marshal_is_loading_type_info:
12135 * Return whenever mono_marshal_load_type_info () is being executed for KLASS by this
12139 mono_marshal_is_loading_type_info (MonoClass *klass)
12141 GSList *loads_list = mono_native_tls_get_value (load_type_info_tls_id);
12143 return g_slist_find (loads_list, klass) != NULL;
12147 * mono_marshal_load_type_info:
12149 * Initialize klass->marshal_info using information from metadata. This function can
12150 * recursively call itself, and the caller is responsible to avoid that by calling
12151 * mono_marshal_is_loading_type_info () beforehand.
12153 * LOCKING: Acquires the loader lock.
12156 mono_marshal_load_type_info (MonoClass* klass)
12159 guint32 native_size = 0, min_align = 1, packing;
12160 MonoMarshalType *info;
12161 MonoClassField* field;
12164 GSList *loads_list;
12166 g_assert (klass != NULL);
12168 if (klass->marshal_info)
12169 return klass->marshal_info;
12171 if (!klass->inited)
12172 mono_class_init (klass);
12174 mono_loader_lock ();
12176 if (klass->marshal_info) {
12177 mono_loader_unlock ();
12178 return klass->marshal_info;
12182 * This function can recursively call itself, so we keep the list of classes which are
12183 * under initialization in a TLS list.
12185 g_assert (!mono_marshal_is_loading_type_info (klass));
12186 loads_list = mono_native_tls_get_value (load_type_info_tls_id);
12187 loads_list = g_slist_prepend (loads_list, klass);
12188 mono_native_tls_set_value (load_type_info_tls_id, loads_list);
12191 while ((field = mono_class_get_fields (klass, &iter))) {
12192 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
12194 if (mono_field_is_deleted (field))
12199 layout = klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK;
12201 /* The mempool is protected by the loader lock */
12202 info = mono_image_alloc0 (klass->image, MONO_SIZEOF_MARSHAL_TYPE + sizeof (MonoMarshalField) * count);
12203 info->num_fields = count;
12205 /* Try to find a size for this type in metadata */
12206 mono_metadata_packing_from_typedef (klass->image, klass->type_token, NULL, &native_size);
12208 if (klass->parent) {
12209 int parent_size = mono_class_native_size (klass->parent, NULL);
12211 /* Add parent size to real size */
12212 native_size += parent_size;
12213 info->native_size = parent_size;
12216 packing = klass->packing_size ? klass->packing_size : 8;
12219 while ((field = mono_class_get_fields (klass, &iter))) {
12223 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
12226 if (mono_field_is_deleted (field))
12228 if (field->type->attrs & FIELD_ATTRIBUTE_HAS_FIELD_MARSHAL)
12229 mono_metadata_field_info_with_mempool (klass->image, mono_metadata_token_index (mono_class_get_field_token (field)) - 1,
12230 NULL, NULL, &info->fields [j].mspec);
12232 info->fields [j].field = field;
12234 if ((mono_class_num_fields (klass) == 1) && (klass->instance_size == sizeof (MonoObject)) &&
12235 (strcmp (mono_field_get_name (field), "$PRIVATE$") == 0)) {
12236 /* This field is a hack inserted by MCS to empty structures */
12241 case TYPE_ATTRIBUTE_AUTO_LAYOUT:
12242 case TYPE_ATTRIBUTE_SEQUENTIAL_LAYOUT:
12243 size = mono_marshal_type_size (field->type, info->fields [j].mspec,
12244 &align, TRUE, klass->unicode);
12245 align = klass->packing_size ? MIN (klass->packing_size, align): align;
12246 min_align = MAX (align, min_align);
12247 info->fields [j].offset = info->native_size;
12248 info->fields [j].offset += align - 1;
12249 info->fields [j].offset &= ~(align - 1);
12250 info->native_size = info->fields [j].offset + size;
12252 case TYPE_ATTRIBUTE_EXPLICIT_LAYOUT:
12253 size = mono_marshal_type_size (field->type, info->fields [j].mspec,
12254 &align, TRUE, klass->unicode);
12255 min_align = packing;
12256 info->fields [j].offset = field->offset - sizeof (MonoObject);
12257 info->native_size = MAX (info->native_size, info->fields [j].offset + size);
12263 if (layout != TYPE_ATTRIBUTE_AUTO_LAYOUT) {
12264 info->native_size = MAX (native_size, info->native_size);
12266 * If the provided Size is equal or larger than the calculated size, and there
12267 * was no Pack attribute, we set min_align to 1 to avoid native_size being increased
12269 if (layout == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT)
12270 if (native_size && native_size == info->native_size && klass->packing_size == 0)
12274 if (info->native_size & (min_align - 1)) {
12275 info->native_size += min_align - 1;
12276 info->native_size &= ~(min_align - 1);
12279 info->min_align = min_align;
12281 /* Update the class's blittable info, if the layouts don't match */
12282 if (info->native_size != mono_class_value_size (klass, NULL))
12283 klass->blittable = FALSE;
12285 /* If this is an array type, ensure that we have element info */
12286 if (klass->rank && !mono_marshal_is_loading_type_info (klass->element_class)) {
12287 mono_marshal_load_type_info (klass->element_class);
12290 loads_list = mono_native_tls_get_value (load_type_info_tls_id);
12291 loads_list = g_slist_remove (loads_list, klass);
12292 mono_native_tls_set_value (load_type_info_tls_id, loads_list);
12294 /*We do double-checking locking on marshal_info */
12295 mono_memory_barrier ();
12297 klass->marshal_info = info;
12299 mono_loader_unlock ();
12301 return klass->marshal_info;
12305 * mono_class_native_size:
12308 * Returns: the native size of an object instance (when marshaled
12309 * to unmanaged code)
12312 mono_class_native_size (MonoClass *klass, guint32 *align)
12314 if (!klass->marshal_info) {
12315 if (mono_marshal_is_loading_type_info (klass)) {
12320 mono_marshal_load_type_info (klass);
12325 *align = klass->marshal_info->min_align;
12327 return klass->marshal_info->native_size;
12330 /* __alignof__ returns the preferred alignment of values not the actual alignment used by
12331 the compiler so is wrong e.g. for Linux where doubles are aligned on a 4 byte boundary
12332 but __alignof__ returns 8 - using G_STRUCT_OFFSET works better */
12333 #define ALIGNMENT(type) G_STRUCT_OFFSET(struct { char c; type x; }, x)
12336 * mono_type_native_stack_size:
12337 * @t: the type to return the size it uses on the stack
12339 * Returns: the number of bytes required to hold an instance of this
12340 * type on the native stack
12343 mono_type_native_stack_size (MonoType *t, guint32 *align)
12347 g_assert (t != NULL);
12353 *align = sizeof (gpointer);
12354 return sizeof (gpointer);
12358 case MONO_TYPE_BOOLEAN:
12359 case MONO_TYPE_CHAR:
12370 case MONO_TYPE_STRING:
12371 case MONO_TYPE_OBJECT:
12372 case MONO_TYPE_CLASS:
12373 case MONO_TYPE_SZARRAY:
12374 case MONO_TYPE_PTR:
12375 case MONO_TYPE_FNPTR:
12376 case MONO_TYPE_ARRAY:
12377 *align = sizeof (gpointer);
12378 return sizeof (gpointer);
12383 *align = ALIGNMENT (gdouble);
12387 *align = ALIGNMENT (glong);
12389 case MONO_TYPE_GENERICINST:
12390 if (!mono_type_generic_inst_is_valuetype (t)) {
12391 *align = sizeof (gpointer);
12392 return sizeof (gpointer);
12395 case MONO_TYPE_TYPEDBYREF:
12396 case MONO_TYPE_VALUETYPE: {
12398 MonoClass *klass = mono_class_from_mono_type (t);
12400 if (klass->enumtype)
12401 return mono_type_native_stack_size (mono_class_enum_basetype (klass), align);
12403 size = mono_class_native_size (klass, align);
12404 *align = *align + 3;
12414 g_error ("type 0x%02x unknown", t->type);
12420 mono_marshal_type_size (MonoType *type, MonoMarshalSpec *mspec, guint32 *align,
12421 gboolean as_field, gboolean unicode)
12423 MonoMarshalNative native_type = mono_type_to_unmanaged (type, mspec, as_field, unicode, NULL);
12426 switch (native_type) {
12427 case MONO_NATIVE_BOOLEAN:
12430 case MONO_NATIVE_I1:
12431 case MONO_NATIVE_U1:
12434 case MONO_NATIVE_I2:
12435 case MONO_NATIVE_U2:
12436 case MONO_NATIVE_VARIANTBOOL:
12439 case MONO_NATIVE_I4:
12440 case MONO_NATIVE_U4:
12441 case MONO_NATIVE_ERROR:
12444 case MONO_NATIVE_I8:
12445 case MONO_NATIVE_U8:
12446 *align = ALIGNMENT(guint64);
12448 case MONO_NATIVE_R4:
12451 case MONO_NATIVE_R8:
12452 *align = ALIGNMENT(double);
12454 case MONO_NATIVE_INT:
12455 case MONO_NATIVE_UINT:
12456 case MONO_NATIVE_LPSTR:
12457 case MONO_NATIVE_LPWSTR:
12458 case MONO_NATIVE_LPTSTR:
12459 case MONO_NATIVE_BSTR:
12460 case MONO_NATIVE_ANSIBSTR:
12461 case MONO_NATIVE_TBSTR:
12462 case MONO_NATIVE_LPARRAY:
12463 case MONO_NATIVE_SAFEARRAY:
12464 case MONO_NATIVE_IUNKNOWN:
12465 case MONO_NATIVE_IDISPATCH:
12466 case MONO_NATIVE_INTERFACE:
12467 case MONO_NATIVE_ASANY:
12468 case MONO_NATIVE_FUNC:
12469 case MONO_NATIVE_LPSTRUCT:
12470 *align = ALIGNMENT(gpointer);
12471 return sizeof (gpointer);
12472 case MONO_NATIVE_STRUCT:
12473 klass = mono_class_from_mono_type (type);
12474 if (klass == mono_defaults.object_class &&
12475 (mspec && mspec->native == MONO_NATIVE_STRUCT)) {
12479 return mono_class_native_size (klass, align);
12480 case MONO_NATIVE_BYVALTSTR: {
12481 int esize = unicode ? 2: 1;
12484 return mspec->data.array_data.num_elem * esize;
12486 case MONO_NATIVE_BYVALARRAY: {
12487 // FIXME: Have to consider ArraySubType
12489 klass = mono_class_from_mono_type (type);
12490 if (klass->element_class == mono_defaults.char_class) {
12491 esize = unicode ? 2 : 1;
12494 esize = mono_class_native_size (klass->element_class, align);
12497 return mspec->data.array_data.num_elem * esize;
12499 case MONO_NATIVE_CUSTOM:
12500 *align = sizeof (gpointer);
12501 return sizeof (gpointer);
12503 case MONO_NATIVE_CURRENCY:
12504 case MONO_NATIVE_VBBYREFSTR:
12506 g_error ("native type %02x not implemented", native_type);
12509 g_assert_not_reached ();
12514 mono_marshal_asany (MonoObject *o, MonoMarshalNative string_encoding, int param_attrs)
12522 t = &o->vtable->klass->byval_arg;
12526 case MONO_TYPE_PTR:
12529 case MONO_TYPE_BOOLEAN:
12532 case MONO_TYPE_CHAR:
12537 return mono_object_unbox (o);
12539 case MONO_TYPE_STRING:
12540 switch (string_encoding) {
12541 case MONO_NATIVE_LPWSTR:
12542 return mono_marshal_string_to_utf16_copy ((MonoString*)o);
12544 case MONO_NATIVE_LPSTR:
12545 return mono_string_to_lpstr ((MonoString*)o);
12548 g_warning ("marshaling conversion %d not implemented", string_encoding);
12549 g_assert_not_reached ();
12552 case MONO_TYPE_CLASS:
12553 case MONO_TYPE_VALUETYPE: {
12554 MonoMethod *method;
12557 MonoBoolean delete_old = FALSE;
12559 klass = t->data.klass;
12561 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT)
12564 if (klass->valuetype && (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
12565 klass->blittable || klass->enumtype))
12566 return mono_object_unbox (o);
12568 res = mono_marshal_alloc (mono_class_native_size (klass, NULL));
12570 if (!((param_attrs & PARAM_ATTRIBUTE_OUT) && !(param_attrs & PARAM_ATTRIBUTE_IN))) {
12571 method = mono_marshal_get_struct_to_ptr (o->vtable->klass);
12575 pa [2] = &delete_old;
12577 mono_runtime_invoke (method, NULL, pa, NULL);
12584 mono_raise_exception (mono_get_exception_argument ("", "No PInvoke conversion exists for value passed to Object-typed parameter."));
12590 mono_marshal_free_asany (MonoObject *o, gpointer ptr, MonoMarshalNative string_encoding, int param_attrs)
12598 t = &o->vtable->klass->byval_arg;
12600 case MONO_TYPE_STRING:
12601 switch (string_encoding) {
12602 case MONO_NATIVE_LPWSTR:
12603 case MONO_NATIVE_LPSTR:
12604 mono_marshal_free (ptr);
12607 g_warning ("marshaling conversion %d not implemented", string_encoding);
12608 g_assert_not_reached ();
12611 case MONO_TYPE_CLASS:
12612 case MONO_TYPE_VALUETYPE: {
12613 klass = t->data.klass;
12615 if (klass->valuetype && (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
12616 klass->blittable || klass->enumtype))
12619 if (param_attrs & PARAM_ATTRIBUTE_OUT) {
12620 MonoMethod *method = mono_marshal_get_ptr_to_struct (o->vtable->klass);
12626 mono_runtime_invoke (method, NULL, pa, NULL);
12629 if (!((param_attrs & PARAM_ATTRIBUTE_OUT) && !(param_attrs & PARAM_ATTRIBUTE_IN))) {
12630 mono_struct_delete_old (klass, ptr);
12633 mono_marshal_free (ptr);
12642 mono_marshal_get_generic_array_helper (MonoClass *class, MonoClass *iface, gchar *name, MonoMethod *method)
12644 MonoMethodSignature *sig, *csig;
12645 MonoMethodBuilder *mb;
12650 mb = mono_mb_new_no_dup_name (class, name, MONO_WRAPPER_MANAGED_TO_MANAGED);
12651 mb->method->slot = -1;
12653 mb->method->flags = METHOD_ATTRIBUTE_PRIVATE | METHOD_ATTRIBUTE_VIRTUAL |
12654 METHOD_ATTRIBUTE_NEW_SLOT | METHOD_ATTRIBUTE_HIDE_BY_SIG | METHOD_ATTRIBUTE_FINAL;
12656 sig = mono_method_signature (method);
12657 csig = signature_dup (method->klass->image, sig);
12658 csig->generic_param_count = 0;
12660 #ifndef DISABLE_JIT
12661 mono_mb_emit_ldarg (mb, 0);
12662 for (i = 0; i < csig->param_count; i++)
12663 mono_mb_emit_ldarg (mb, i + 1);
12664 mono_mb_emit_managed_call (mb, method, NULL);
12665 mono_mb_emit_byte (mb, CEE_RET);
12667 /* We can corlib internal methods */
12668 mb->skip_visibility = TRUE;
12671 res = mono_mb_create_method (mb, csig, csig->param_count + 16);
12673 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_GENERIC_ARRAY_HELPER);
12674 info->d.generic_array_helper.method = method;
12675 mono_marshal_set_wrapper_info (res, info);
12683 * The mono_win32_compat_* functions are implementations of inline
12684 * Windows kernel32 APIs, which are DllImport-able under MS.NET,
12685 * although not exported by kernel32.
12687 * We map the appropiate kernel32 entries to these functions using
12688 * dllmaps declared in the global etc/mono/config.
12692 mono_win32_compat_CopyMemory (gpointer dest, gconstpointer source, gsize length)
12694 if (!dest || !source)
12697 memcpy (dest, source, length);
12701 mono_win32_compat_FillMemory (gpointer dest, gsize length, guchar fill)
12703 memset (dest, fill, length);
12707 mono_win32_compat_MoveMemory (gpointer dest, gconstpointer source, gsize length)
12709 if (!dest || !source)
12712 memmove (dest, source, length);
12716 mono_win32_compat_ZeroMemory (gpointer dest, gsize length)
12718 memset (dest, 0, length);
12722 mono_marshal_find_nonzero_bit_offset (guint8 *buf, int len, int *byte_offset, guint8 *bitmask)
12727 for (i = 0; i < len; ++i)
12731 g_assert (i < len);
12734 while (byte && !(byte & 1))
12736 g_assert (byte == 1);
12739 *bitmask = buf [i];
12743 mono_marshal_get_thunk_invoke_wrapper (MonoMethod *method)
12745 MonoMethodBuilder *mb;
12746 MonoMethodSignature *sig, *csig;
12747 MonoExceptionClause *clause;
12752 int i, param_count, sig_size, pos_leave;
12756 klass = method->klass;
12757 image = method->klass->image;
12758 cache = get_cache (&image->thunk_invoke_cache, mono_aligned_addr_hash, NULL);
12760 if ((res = mono_marshal_find_in_cache (cache, method)))
12763 sig = mono_method_signature (method);
12764 mb = mono_mb_new (klass, method->name, MONO_WRAPPER_NATIVE_TO_MANAGED);
12766 /* add "this" and exception param */
12767 param_count = sig->param_count + sig->hasthis + 1;
12769 /* dup & extend signature */
12770 csig = mono_metadata_signature_alloc (image, param_count);
12771 sig_size = MONO_SIZEOF_METHOD_SIGNATURE + sig->param_count * sizeof (MonoType *);
12772 memcpy (csig, sig, sig_size);
12773 csig->param_count = param_count;
12776 csig->call_convention = MONO_CALL_DEFAULT;
12778 if (sig->hasthis) {
12780 csig->params [0] = &klass->byval_arg;
12781 /* move params up by one */
12782 for (i = 0; i < sig->param_count; i++)
12783 csig->params [i + 1] = sig->params [i];
12786 /* setup exception param as byref+[out] */
12787 csig->params [param_count - 1] = mono_metadata_type_dup (image,
12788 &mono_defaults.exception_class->byval_arg);
12789 csig->params [param_count - 1]->byref = 1;
12790 csig->params [param_count - 1]->attrs = PARAM_ATTRIBUTE_OUT;
12792 /* convert struct return to object */
12793 if (MONO_TYPE_ISSTRUCT (sig->ret))
12794 csig->ret = &mono_defaults.object_class->byval_arg;
12796 #ifndef DISABLE_JIT
12797 /* local 0 (temp for exception object) */
12798 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
12800 /* local 1 (temp for result) */
12801 if (!MONO_TYPE_IS_VOID (sig->ret))
12802 mono_mb_add_local (mb, sig->ret);
12804 /* clear exception arg */
12805 mono_mb_emit_ldarg (mb, param_count - 1);
12806 mono_mb_emit_byte (mb, CEE_LDNULL);
12807 mono_mb_emit_byte (mb, CEE_STIND_REF);
12810 clause = mono_image_alloc0 (image, sizeof (MonoExceptionClause));
12811 clause->try_offset = mono_mb_get_label (mb);
12813 /* push method's args */
12814 for (i = 0; i < param_count - 1; i++) {
12818 mono_mb_emit_ldarg (mb, i);
12820 /* get the byval type of the param */
12821 klass = mono_class_from_mono_type (csig->params [i]);
12822 type = &klass->byval_arg;
12824 /* unbox struct args */
12825 if (MONO_TYPE_ISSTRUCT (type)) {
12826 mono_mb_emit_op (mb, CEE_UNBOX, klass);
12828 /* byref args & and the "this" arg must remain a ptr.
12829 Otherwise make a copy of the value type */
12830 if (!(csig->params [i]->byref || (i == 0 && sig->hasthis)))
12831 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
12833 csig->params [i] = &mono_defaults.object_class->byval_arg;
12838 if (method->flags & METHOD_ATTRIBUTE_VIRTUAL)
12839 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
12841 mono_mb_emit_op (mb, CEE_CALL, method);
12843 /* save result at local 1 */
12844 if (!MONO_TYPE_IS_VOID (sig->ret))
12845 mono_mb_emit_stloc (mb, 1);
12847 pos_leave = mono_mb_emit_branch (mb, CEE_LEAVE);
12850 clause->flags = MONO_EXCEPTION_CLAUSE_NONE;
12851 clause->try_len = mono_mb_get_pos (mb) - clause->try_offset;
12852 clause->data.catch_class = mono_defaults.object_class;
12854 clause->handler_offset = mono_mb_get_label (mb);
12856 /* store exception at local 0 */
12857 mono_mb_emit_stloc (mb, 0);
12858 mono_mb_emit_ldarg (mb, param_count - 1);
12859 mono_mb_emit_ldloc (mb, 0);
12860 mono_mb_emit_byte (mb, CEE_STIND_REF);
12861 mono_mb_emit_branch (mb, CEE_LEAVE);
12863 clause->handler_len = mono_mb_get_pos (mb) - clause->handler_offset;
12865 mono_mb_set_clauses (mb, 1, clause);
12867 mono_mb_patch_branch (mb, pos_leave);
12870 if (!MONO_TYPE_IS_VOID (sig->ret)) {
12871 mono_mb_emit_ldloc (mb, 1);
12873 /* box the return value */
12874 if (MONO_TYPE_ISSTRUCT (sig->ret))
12875 mono_mb_emit_op (mb, CEE_BOX, mono_class_from_mono_type (sig->ret));
12878 mono_mb_emit_byte (mb, CEE_RET);
12881 res = mono_mb_create_and_cache (cache, method, mb, csig, param_count + 16);
12888 * mono_marshal_free_dynamic_wrappers:
12890 * Free wrappers of the dynamic method METHOD.
12893 mono_marshal_free_dynamic_wrappers (MonoMethod *method)
12895 MonoImage *image = method->klass->image;
12897 g_assert (method->dynamic);
12899 /* This could be called during shutdown */
12900 if (marshal_mutex_initialized)
12901 mono_marshal_lock ();
12903 * FIXME: We currently leak the wrappers. Freeing them would be tricky as
12904 * they could be shared with other methods ?
12906 if (image->runtime_invoke_direct_cache)
12907 g_hash_table_remove (image->runtime_invoke_direct_cache, method);
12908 if (image->delegate_bound_static_invoke_cache)
12909 g_hash_table_foreach_remove (image->delegate_bound_static_invoke_cache, signature_method_pair_matches_method, method);
12910 if (image->delegate_abstract_invoke_cache)
12911 g_hash_table_foreach_remove (image->delegate_abstract_invoke_cache, signature_method_pair_matches_method, method);
12913 if (marshal_mutex_initialized)
12914 mono_marshal_unlock ();
12918 signature_method_pair_matches_signature (gpointer key, gpointer value, gpointer user_data)
12920 SignatureMethodPair *pair = (SignatureMethodPair*)key;
12921 MonoMethodSignature *sig = (MonoMethodSignature*)user_data;
12923 return mono_metadata_signature_equal (pair->sig, sig);
12927 * mono_marshal_free_inflated_wrappers:
12929 * Free wrappers of the inflated method METHOD.
12932 mono_marshal_free_inflated_wrappers (MonoMethod *method)
12934 MonoMethodSignature *sig = method->signature;
12936 g_assert (method->is_inflated);
12938 /* Ignore calls occuring late during cleanup. */
12939 if (!marshal_mutex_initialized)
12942 mono_marshal_lock ();
12944 * FIXME: We currently leak the wrappers. Freeing them would be tricky as
12945 * they could be shared with other methods ?
12949 * indexed by MonoMethodSignature
12951 /* FIXME: This could remove unrelated wrappers as well */
12952 if (sig && method->klass->image->delegate_begin_invoke_cache)
12953 g_hash_table_remove (method->klass->image->delegate_begin_invoke_cache, sig);
12954 if (sig && method->klass->image->delegate_end_invoke_cache)
12955 g_hash_table_remove (method->klass->image->delegate_end_invoke_cache, sig);
12956 if (sig && method->klass->image->delegate_invoke_cache)
12957 g_hash_table_remove (method->klass->image->delegate_invoke_cache, sig);
12958 if (sig && method->klass->image->runtime_invoke_cache)
12959 g_hash_table_remove (method->klass->image->runtime_invoke_cache, sig);
12960 if (sig && method->klass->image->runtime_invoke_vtype_cache)
12961 g_hash_table_remove (method->klass->image->runtime_invoke_vtype_cache, sig);
12964 * indexed by SignatureMethodPair
12966 if (sig && method->klass->image->delegate_abstract_invoke_cache)
12967 g_hash_table_foreach_remove (method->klass->image->delegate_abstract_invoke_cache,
12968 signature_method_pair_matches_signature, (gpointer)sig);
12970 if (sig && method->klass->image->delegate_bound_static_invoke_cache)
12971 g_hash_table_foreach_remove (method->klass->image->delegate_bound_static_invoke_cache,
12972 signature_method_pair_matches_signature, (gpointer)sig);
12975 * indexed by MonoMethod pointers
12977 if (method->klass->image->runtime_invoke_direct_cache)
12978 g_hash_table_remove (method->klass->image->runtime_invoke_direct_cache, method);
12979 if (method->klass->image->managed_wrapper_cache)
12980 g_hash_table_remove (method->klass->image->managed_wrapper_cache, method);
12981 if (method->klass->image->native_wrapper_cache)
12982 g_hash_table_remove (method->klass->image->native_wrapper_cache, method);
12983 if (method->klass->image->remoting_invoke_cache)
12984 g_hash_table_remove (method->klass->image->remoting_invoke_cache, method);
12985 if (method->klass->image->synchronized_cache)
12986 g_hash_table_remove (method->klass->image->synchronized_cache, method);
12987 if (method->klass->image->unbox_wrapper_cache)
12988 g_hash_table_remove (method->klass->image->unbox_wrapper_cache, method);
12989 if (method->klass->image->cominterop_invoke_cache)
12990 g_hash_table_remove (method->klass->image->cominterop_invoke_cache, method);
12991 if (method->klass->image->cominterop_wrapper_cache)
12992 g_hash_table_remove (method->klass->image->cominterop_wrapper_cache, method);
12993 if (method->klass->image->thunk_invoke_cache)
12994 g_hash_table_remove (method->klass->image->thunk_invoke_cache, method);
12995 if (method->klass->image->native_func_wrapper_aot_cache)
12996 g_hash_table_remove (method->klass->image->native_func_wrapper_aot_cache, method);
12998 mono_marshal_unlock ();