2 * marshal.c: Routines for marshaling complex types in P/Invoke methods.
5 * Paolo Molaro (lupus@ximian.com)
7 * Copyright 2002-2003 Ximian, Inc (http://www.ximian.com)
8 * Copyright 2004-2009 Novell, Inc (http://www.novell.com)
9 * Copyright 2011 Xamarin, Inc (http://www.xamarin.com)
21 #include "metadata/marshal.h"
22 #include "metadata/method-builder.h"
23 #include "metadata/tabledefs.h"
24 #include "metadata/exception.h"
25 #include "metadata/appdomain.h"
26 #include "mono/metadata/debug-helpers.h"
27 #include "mono/metadata/threadpool.h"
28 #include "mono/metadata/threads.h"
29 #include "mono/metadata/monitor.h"
30 #include "mono/metadata/metadata-internals.h"
31 #include "mono/metadata/domain-internals.h"
32 #include "mono/metadata/gc-internal.h"
33 #include "mono/metadata/threads-types.h"
34 #include "mono/metadata/string-icalls.h"
35 #include "mono/metadata/attrdefs.h"
36 #include "mono/metadata/gc-internal.h"
37 #include "mono/metadata/cominterop.h"
38 #include "mono/utils/mono-counters.h"
39 #include "mono/utils/mono-tls.h"
40 #include "mono/utils/mono-memory-model.h"
41 #include "mono/utils/atomic.h"
45 /* #define DEBUG_RUNTIME_CODE */
47 #define OPDEF(a,b,c,d,e,f,g,h,i,j) \
51 MONO_MARSHAL_NONE, /* No marshalling needed */
52 MONO_MARSHAL_COPY, /* Can be copied by value to the new domain */
53 MONO_MARSHAL_COPY_OUT, /* out parameter that needs to be copied back to the original instance */
54 MONO_MARSHAL_SERIALIZE /* Value needs to be serialized into the new domain */
55 } MonoXDomainMarshalType;
58 #include "mono/cil/opcode.def"
63 struct _MonoRemotingMethods {
65 MonoMethod *invoke_with_check;
66 MonoMethod *xdomain_invoke;
67 MonoMethod *xdomain_dispatch;
70 typedef struct _MonoRemotingMethods MonoRemotingMethods;
73 * This mutex protects the various marshalling related caches in MonoImage
74 * and a few other data structures static to this file.
75 * Note that when this lock is held it is not possible to take other runtime
76 * locks like the loader lock.
78 #define mono_marshal_lock() EnterCriticalSection (&marshal_mutex)
79 #define mono_marshal_unlock() LeaveCriticalSection (&marshal_mutex)
80 static CRITICAL_SECTION marshal_mutex;
81 static gboolean marshal_mutex_initialized;
83 static MonoNativeTlsKey last_error_tls_id;
85 static MonoNativeTlsKey load_type_info_tls_id;
87 static gboolean use_aot_wrappers;
90 delegate_hash_table_add (MonoDelegate *d);
93 emit_struct_conv (MonoMethodBuilder *mb, MonoClass *klass, gboolean to_object);
96 emit_struct_conv_full (MonoMethodBuilder *mb, MonoClass *klass, gboolean to_object, MonoMarshalNative string_encoding);
99 mono_struct_delete_old (MonoClass *klass, char *ptr);
102 mono_marshal_string_to_utf16 (MonoString *s);
105 mono_marshal_string_to_utf16_copy (MonoString *s);
108 mono_string_to_lpstr (MonoString *string_obj);
110 static MonoStringBuilder *
111 mono_string_utf8_to_builder2 (char *text);
113 static MonoStringBuilder *
114 mono_string_utf16_to_builder2 (gunichar2 *text);
117 mono_string_new_len_wrapper (const char *text, guint length);
120 mono_string_from_byvalwstr (gunichar2 *data, int len);
123 mono_byvalarray_to_array (MonoArray *arr, gpointer native_arr, MonoClass *eltype, guint32 elnum);
126 mono_byvalarray_to_byte_array (MonoArray *arr, gpointer native_arr, guint32 elnum);
129 mono_array_to_byvalarray (gpointer native_arr, MonoArray *arr, MonoClass *eltype, guint32 elnum);
132 mono_array_to_byte_byvalarray (gpointer native_arr, MonoArray *arr, guint32 elnum);
134 static MonoAsyncResult *
135 mono_delegate_begin_invoke (MonoDelegate *delegate, gpointer *params);
138 mono_delegate_end_invoke (MonoDelegate *delegate, gpointer *params);
141 mono_marshal_xdomain_copy_out_value (MonoObject *src, MonoObject *dst);
144 mono_marshal_set_domain_by_id (gint32 id, MonoBoolean push);
147 mono_marshal_check_domain_image (gint32 domain_id, MonoImage *image);
149 #ifndef DISABLE_REMOTING
151 mono_remoting_wrapper (MonoMethod *method, gpointer *params);
154 mono_upgrade_remote_class_wrapper (MonoReflectionType *rtype, MonoTransparentProxy *tproxy);
158 static MonoReflectionType *
159 type_from_handle (MonoType *handle);
162 mono_marshal_set_last_error_windows (int error);
164 static void init_safe_handle (void);
166 /* MonoMethod pointers to SafeHandle::DangerousAddRef and ::DangerousRelease */
167 static MonoMethod *sh_dangerous_add_ref;
168 static MonoMethod *sh_dangerous_release;
174 sh_dangerous_add_ref = mono_class_get_method_from_name (
175 mono_defaults.safehandle_class, "DangerousAddRef", 1);
176 sh_dangerous_release = mono_class_get_method_from_name (
177 mono_defaults.safehandle_class, "DangerousRelease", 0);
181 register_icall (gpointer func, const char *name, const char *sigstr, gboolean save)
183 MonoMethodSignature *sig = mono_create_icall_signature (sigstr);
185 mono_register_jit_icall (func, name, sig, save);
188 static MonoMethodSignature*
189 signature_dup (MonoImage *image, MonoMethodSignature *sig)
191 MonoMethodSignature *res;
194 res = mono_metadata_signature_alloc (image, sig->param_count);
195 sigsize = MONO_SIZEOF_METHOD_SIGNATURE + sig->param_count * sizeof (MonoType *);
196 memcpy (res, sig, sigsize);
202 mono_signature_no_pinvoke (MonoMethod *method)
204 MonoMethodSignature *sig = mono_method_signature (method);
206 sig = signature_dup (method->klass->image, sig);
207 sig->pinvoke = FALSE;
214 mono_marshal_init_tls (void)
216 mono_native_tls_alloc (&last_error_tls_id, NULL);
217 mono_native_tls_alloc (&load_type_info_tls_id, NULL);
221 mono_marshal_init (void)
223 static gboolean module_initialized = FALSE;
225 if (!module_initialized) {
226 module_initialized = TRUE;
227 InitializeCriticalSection (&marshal_mutex);
228 marshal_mutex_initialized = TRUE;
230 register_icall (ves_icall_System_Threading_Thread_ResetAbort, "ves_icall_System_Threading_Thread_ResetAbort", "void", TRUE);
231 register_icall (mono_marshal_string_to_utf16, "mono_marshal_string_to_utf16", "ptr obj", FALSE);
232 register_icall (mono_marshal_string_to_utf16_copy, "mono_marshal_string_to_utf16_copy", "ptr obj", FALSE);
233 register_icall (mono_string_to_utf16, "mono_string_to_utf16", "ptr obj", FALSE);
234 register_icall (mono_string_from_utf16, "mono_string_from_utf16", "obj ptr", FALSE);
235 register_icall (mono_string_from_byvalwstr, "mono_string_from_byvalwstr", "obj ptr int", FALSE);
236 register_icall (mono_string_new_wrapper, "mono_string_new_wrapper", "obj ptr", FALSE);
237 register_icall (mono_string_new_len_wrapper, "mono_string_new_len_wrapper", "obj ptr int", FALSE);
238 register_icall (mono_string_to_utf8, "mono_string_to_utf8", "ptr obj", FALSE);
239 register_icall (mono_string_to_lpstr, "mono_string_to_lpstr", "ptr obj", FALSE);
240 register_icall (mono_string_to_ansibstr, "mono_string_to_ansibstr", "ptr object", FALSE);
241 register_icall (mono_string_builder_to_utf8, "mono_string_builder_to_utf8", "ptr object", FALSE);
242 register_icall (mono_string_builder_to_utf16, "mono_string_builder_to_utf16", "ptr object", FALSE);
243 register_icall (mono_array_to_savearray, "mono_array_to_savearray", "ptr object", FALSE);
244 register_icall (mono_array_to_lparray, "mono_array_to_lparray", "ptr object", FALSE);
245 register_icall (mono_free_lparray, "mono_free_lparray", "void object ptr", FALSE);
246 register_icall (mono_byvalarray_to_array, "mono_byvalarray_to_array", "void object ptr ptr int32", FALSE);
247 register_icall (mono_byvalarray_to_byte_array, "mono_byvalarray_to_byte_array", "void object ptr int32", FALSE);
248 register_icall (mono_array_to_byvalarray, "mono_array_to_byvalarray", "void ptr object ptr int32", FALSE);
249 register_icall (mono_array_to_byte_byvalarray, "mono_array_to_byte_byvalarray", "void ptr object int32", FALSE);
250 register_icall (mono_delegate_to_ftnptr, "mono_delegate_to_ftnptr", "ptr object", FALSE);
251 register_icall (mono_ftnptr_to_delegate, "mono_ftnptr_to_delegate", "object ptr ptr", FALSE);
252 register_icall (mono_marshal_asany, "mono_marshal_asany", "ptr object int32 int32", FALSE);
253 register_icall (mono_marshal_free_asany, "mono_marshal_free_asany", "void object ptr int32 int32", FALSE);
254 register_icall (mono_marshal_alloc, "mono_marshal_alloc", "ptr int32", FALSE);
255 register_icall (mono_marshal_free, "mono_marshal_free", "void ptr", FALSE);
256 register_icall (mono_marshal_set_last_error, "mono_marshal_set_last_error", "void", FALSE);
257 register_icall (mono_marshal_set_last_error_windows, "mono_marshal_set_last_error_windows", "void int32", FALSE);
258 register_icall (mono_string_utf8_to_builder, "mono_string_utf8_to_builder", "void ptr ptr", FALSE);
259 register_icall (mono_string_utf8_to_builder2, "mono_string_utf8_to_builder2", "object ptr", FALSE);
260 register_icall (mono_string_utf16_to_builder, "mono_string_utf16_to_builder", "void ptr ptr", FALSE);
261 register_icall (mono_string_utf16_to_builder2, "mono_string_utf16_to_builder2", "object ptr", FALSE);
262 register_icall (mono_marshal_free_array, "mono_marshal_free_array", "void ptr int32", FALSE);
263 register_icall (mono_string_to_byvalstr, "mono_string_to_byvalstr", "void ptr ptr int32", FALSE);
264 register_icall (mono_string_to_byvalwstr, "mono_string_to_byvalwstr", "void ptr ptr int32", FALSE);
265 register_icall (g_free, "g_free", "void ptr", FALSE);
266 register_icall (mono_object_isinst, "mono_object_isinst", "object object ptr", FALSE);
267 register_icall (mono_struct_delete_old, "mono_struct_delete_old", "void ptr ptr", FALSE);
268 register_icall (mono_delegate_begin_invoke, "mono_delegate_begin_invoke", "object object ptr", FALSE);
269 register_icall (mono_delegate_end_invoke, "mono_delegate_end_invoke", "object object ptr", FALSE);
270 register_icall (mono_marshal_xdomain_copy_value, "mono_marshal_xdomain_copy_value", "object object", FALSE);
271 register_icall (mono_marshal_xdomain_copy_out_value, "mono_marshal_xdomain_copy_out_value", "void object object", FALSE);
272 register_icall (mono_marshal_set_domain_by_id, "mono_marshal_set_domain_by_id", "int32 int32 int32", FALSE);
273 register_icall (mono_marshal_check_domain_image, "mono_marshal_check_domain_image", "int32 int32 ptr", FALSE);
274 register_icall (mono_compile_method, "mono_compile_method", "ptr ptr", FALSE);
275 register_icall (mono_context_get, "mono_context_get", "object", FALSE);
276 register_icall (mono_context_set, "mono_context_set", "void object", FALSE);
277 register_icall (type_from_handle, "type_from_handle", "object ptr", FALSE);
278 register_icall (mono_gc_wbarrier_generic_nostore, "wb_generic", "void ptr", FALSE);
279 register_icall (mono_gchandle_get_target, "mono_gchandle_get_target", "object int32", TRUE);
281 #ifndef DISABLE_REMOTING
282 register_icall (mono_remoting_wrapper, "mono_remoting_wrapper", "object ptr ptr", FALSE);
283 register_icall (mono_upgrade_remote_class_wrapper, "mono_upgrade_remote_class_wrapper", "void object object", FALSE);
285 mono_cominterop_init ();
290 mono_marshal_cleanup (void)
292 mono_cominterop_cleanup ();
294 mono_native_tls_free (load_type_info_tls_id);
295 mono_native_tls_free (last_error_tls_id);
296 DeleteCriticalSection (&marshal_mutex);
297 marshal_mutex_initialized = FALSE;
300 #ifndef DISABLE_REMOTING
301 static MonoClass *byte_array_class;
302 static MonoMethod *method_rs_serialize, *method_rs_deserialize, *method_exc_fixexc, *method_rs_appdomain_target;
303 static MonoMethod *method_set_call_context, *method_needs_context_sink, *method_rs_serialize_exc;
306 mono_remoting_marshal_init (void)
310 static gboolean module_initialized = FALSE;
312 if (!module_initialized) {
313 klass = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting", "RemotingServices");
314 method_rs_serialize = mono_class_get_method_from_name (klass, "SerializeCallData", -1);
315 method_rs_deserialize = mono_class_get_method_from_name (klass, "DeserializeCallData", -1);
316 method_rs_serialize_exc = mono_class_get_method_from_name (klass, "SerializeExceptionData", -1);
318 klass = mono_defaults.real_proxy_class;
319 method_rs_appdomain_target = mono_class_get_method_from_name (klass, "GetAppDomainTarget", -1);
321 klass = mono_defaults.exception_class;
322 method_exc_fixexc = mono_class_get_method_from_name (klass, "FixRemotingException", -1);
324 byte_array_class = mono_array_class_get (mono_defaults.byte_class, 1);
326 klass = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting.Messaging", "CallContext");
327 method_set_call_context = mono_class_get_method_from_name (klass, "SetCurrentCallContext", -1);
329 klass = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting.Contexts", "Context");
330 method_needs_context_sink = mono_class_get_method_from_name (klass, "get_NeedsContextSink", -1);
332 module_initialized = TRUE;
338 mono_delegate_to_ftnptr (MonoDelegate *delegate)
340 MonoMethod *method, *wrapper;
342 uint32_t target_handle = 0;
347 if (delegate->delegate_trampoline)
348 return delegate->delegate_trampoline;
350 klass = ((MonoObject *)delegate)->vtable->klass;
351 g_assert (klass->delegate);
353 method = delegate->method;
355 if (mono_method_signature (method)->pinvoke) {
356 const char *exc_class, *exc_arg;
359 ftnptr = mono_lookup_pinvoke_call (method, &exc_class, &exc_arg);
361 g_assert (exc_class);
362 mono_raise_exception (mono_exception_from_name_msg (mono_defaults.corlib, "System", exc_class, exc_arg));
367 if (delegate->target) {
368 /* Produce a location which can be embedded in JITted code */
369 target_handle = mono_gchandle_new_weakref (delegate->target, FALSE);
372 wrapper = mono_marshal_get_managed_wrapper (method, klass, target_handle);
374 delegate->delegate_trampoline = mono_compile_method (wrapper);
376 // Add the delegate to the delegate hash table
377 delegate_hash_table_add (delegate);
379 /* when the object is collected, collect the dynamic method, too */
380 mono_object_register_finalizer ((MonoObject*)delegate);
382 return delegate->delegate_trampoline;
386 * this hash table maps from a delegate trampoline object to a weak reference
387 * of the delegate. As an optimizations with a non-moving GC we store the
388 * object pointer itself, otherwise we use a GC handle.
390 static GHashTable *delegate_hash_table;
393 delegate_hash_table_new (void) {
394 return g_hash_table_new (NULL, NULL);
398 delegate_hash_table_remove (MonoDelegate *d)
400 guint32 gchandle = 0;
402 mono_marshal_lock ();
403 if (delegate_hash_table == NULL)
404 delegate_hash_table = delegate_hash_table_new ();
405 if (mono_gc_is_moving ())
406 gchandle = GPOINTER_TO_UINT (g_hash_table_lookup (delegate_hash_table, d->delegate_trampoline));
407 g_hash_table_remove (delegate_hash_table, d->delegate_trampoline);
408 mono_marshal_unlock ();
409 if (mono_gc_is_moving ())
410 mono_gchandle_free (gchandle);
414 delegate_hash_table_add (MonoDelegate *d)
417 guint32 old_gchandle;
419 mono_marshal_lock ();
420 if (delegate_hash_table == NULL)
421 delegate_hash_table = delegate_hash_table_new ();
422 if (mono_gc_is_moving ()) {
423 gchandle = mono_gchandle_new_weakref ((MonoObject*)d, FALSE);
424 old_gchandle = GPOINTER_TO_UINT (g_hash_table_lookup (delegate_hash_table, d->delegate_trampoline));
425 g_hash_table_insert (delegate_hash_table, d->delegate_trampoline, GUINT_TO_POINTER (gchandle));
427 mono_gchandle_free (old_gchandle);
429 g_hash_table_insert (delegate_hash_table, d->delegate_trampoline, d);
431 mono_marshal_unlock ();
435 * mono_marshal_use_aot_wrappers:
437 * Instructs this module to use AOT compatible wrappers.
440 mono_marshal_use_aot_wrappers (gboolean use)
442 use_aot_wrappers = use;
446 parse_unmanaged_function_pointer_attr (MonoClass *klass, MonoMethodPInvoke *piinfo)
448 static MonoClass *UnmanagedFunctionPointerAttribute;
449 MonoCustomAttrInfo *cinfo;
450 MonoReflectionUnmanagedFunctionPointerAttribute *attr;
452 if (!UnmanagedFunctionPointerAttribute)
453 UnmanagedFunctionPointerAttribute = mono_class_from_name (mono_defaults.corlib, "System.Runtime.InteropServices", "UnmanagedFunctionPointerAttribute");
455 /* The attribute is only available in Net 2.0 */
456 if (UnmanagedFunctionPointerAttribute) {
458 * The pinvoke attributes are stored in a real custom attribute so we have to
461 cinfo = mono_custom_attrs_from_class (klass);
462 if (cinfo && !mono_runtime_get_no_exec ()) {
463 attr = (MonoReflectionUnmanagedFunctionPointerAttribute*)mono_custom_attrs_get_attr (cinfo, UnmanagedFunctionPointerAttribute);
465 piinfo->piflags = (attr->call_conv << 8) | (attr->charset ? (attr->charset - 1) * 2 : 1) | attr->set_last_error;
468 mono_custom_attrs_free (cinfo);
474 mono_ftnptr_to_delegate (MonoClass *klass, gpointer ftn)
482 mono_marshal_lock ();
483 if (delegate_hash_table == NULL)
484 delegate_hash_table = delegate_hash_table_new ();
486 if (mono_gc_is_moving ()) {
487 gchandle = GPOINTER_TO_UINT (g_hash_table_lookup (delegate_hash_table, ftn));
488 mono_marshal_unlock ();
490 d = (MonoDelegate*)mono_gchandle_get_target (gchandle);
494 d = g_hash_table_lookup (delegate_hash_table, ftn);
495 mono_marshal_unlock ();
498 /* This is a native function, so construct a delegate for it */
499 MonoMethodSignature *sig;
501 MonoMarshalSpec **mspecs;
502 MonoMethod *invoke = mono_get_delegate_invoke (klass);
503 MonoMethodPInvoke piinfo;
507 if (use_aot_wrappers) {
508 wrapper = mono_marshal_get_native_func_wrapper_aot (klass);
509 this = mono_value_box (mono_domain_get (), mono_defaults.int_class, &ftn);
511 memset (&piinfo, 0, sizeof (piinfo));
512 parse_unmanaged_function_pointer_attr (klass, &piinfo);
514 mspecs = g_new0 (MonoMarshalSpec*, mono_method_signature (invoke)->param_count + 1);
515 mono_method_get_marshal_info (invoke, mspecs);
516 /* Freed below so don't alloc from mempool */
517 sig = mono_metadata_signature_dup (mono_method_signature (invoke));
520 wrapper = mono_marshal_get_native_func_wrapper (klass->image, sig, &piinfo, mspecs, ftn);
523 for (i = mono_method_signature (invoke)->param_count; i >= 0; i--)
525 mono_metadata_free_marshal_spec (mspecs [i]);
530 d = (MonoDelegate*)mono_object_new (mono_domain_get (), klass);
531 mono_delegate_ctor_with_method ((MonoObject*)d, this, mono_compile_method (wrapper), wrapper);
534 if (d->object.vtable->domain != mono_domain_get ())
535 mono_raise_exception (mono_get_exception_not_supported ("Delegates cannot be marshalled from native code into a domain other than their home domain"));
541 mono_delegate_free_ftnptr (MonoDelegate *delegate)
546 delegate_hash_table_remove (delegate);
548 ptr = (gpointer)InterlockedExchangePointer (&delegate->delegate_trampoline, NULL);
550 if (!delegate->target) {
551 /* The wrapper method is shared between delegates -> no need to free it */
558 ji = mono_jit_info_table_find (mono_domain_get (), mono_get_addr_from_ftnptr (ptr));
561 method_data = ((MonoMethodWrapper*)ji->method)->method_data;
563 /*the target gchandle is the first entry after size and the wrapper itself.*/
564 gchandle = GPOINTER_TO_UINT (method_data [2]);
567 mono_gchandle_free (gchandle);
569 mono_runtime_free_method (mono_object_domain (delegate), ji->method);
574 mono_string_from_byvalwstr (gunichar2 *data, int max_len)
576 MonoDomain *domain = mono_domain_get ();
582 while (data [len]) len++;
584 return mono_string_new_utf16 (domain, data, MIN (len, max_len));
588 mono_array_to_savearray (MonoArray *array)
593 g_assert_not_reached ();
598 mono_array_to_lparray (MonoArray *array)
601 gpointer *nativeArray = NULL;
602 int nativeArraySize = 0;
612 klass = array->obj.vtable->klass;
614 switch (klass->element_class->byval_arg.type) {
616 g_assert_not_reached ();
618 case MONO_TYPE_CLASS:
619 nativeArraySize = array->max_length;
620 nativeArray = malloc(sizeof(gpointer) * nativeArraySize);
621 for(i = 0; i < nativeArraySize; ++i)
622 nativeArray[i] = ves_icall_System_Runtime_InteropServices_Marshal_GetIUnknownForObjectInternal(((gpointer*)array->vector)[i]);
625 case MONO_TYPE_BOOLEAN:
638 case MONO_TYPE_VALUETYPE:
642 case MONO_TYPE_GENERICINST:
643 case MONO_TYPE_OBJECT:
644 case MONO_TYPE_ARRAY:
645 case MONO_TYPE_SZARRAY:
646 case MONO_TYPE_STRING:
648 g_warning ("type 0x%x not handled", klass->element_class->byval_arg.type);
649 g_assert_not_reached ();
652 return array->vector;
656 mono_free_lparray (MonoArray *array, gpointer* nativeArray)
667 klass = array->obj.vtable->klass;
669 switch (klass->element_class->byval_arg.type) {
670 case MONO_TYPE_CLASS:
671 for(i = 0; i < array->max_length; ++i)
672 mono_marshal_free_ccw(nativeArray[i]);
680 mono_byvalarray_to_array (MonoArray *arr, gpointer native_arr, MonoClass *elclass, guint32 elnum)
682 g_assert (arr->obj.vtable->klass->element_class == mono_defaults.char_class);
684 if (elclass == mono_defaults.byte_class) {
685 GError *error = NULL;
689 ut = g_utf8_to_utf16 (native_arr, elnum, NULL, &items_written, &error);
692 memcpy (mono_array_addr (arr, guint16, 0), ut, items_written * sizeof (guint16));
696 g_error_free (error);
699 g_assert_not_reached ();
703 mono_byvalarray_to_byte_array (MonoArray *arr, gpointer native_arr, guint32 elnum)
705 mono_byvalarray_to_array (arr, native_arr, mono_defaults.byte_class, elnum);
709 mono_array_to_byvalarray (gpointer native_arr, MonoArray *arr, MonoClass *elclass, guint32 elnum)
711 g_assert (arr->obj.vtable->klass->element_class == mono_defaults.char_class);
713 if (elclass == mono_defaults.byte_class) {
715 GError *error = NULL;
717 as = g_utf16_to_utf8 (mono_array_addr (arr, gunichar2, 0), mono_array_length (arr), NULL, NULL, &error);
719 MonoException *exc = mono_get_exception_argument ("string", error->message);
720 g_error_free (error);
721 mono_raise_exception (exc);
724 memcpy (native_arr, as, MIN (strlen (as), elnum));
727 g_assert_not_reached ();
732 mono_array_to_byte_byvalarray (gpointer native_arr, MonoArray *arr, guint32 elnum)
734 mono_array_to_byvalarray (native_arr, arr, mono_defaults.byte_class, elnum);
738 mono_string_utf8_to_builder (MonoStringBuilder *sb, char *text)
740 GError *error = NULL;
750 ut = g_utf8_to_utf16 (text, l, NULL, &items_written, &error);
752 if (items_written > mono_stringbuilder_capacity (sb))
753 items_written = mono_stringbuilder_capacity (sb);
756 if (! sb->str || sb->str == sb->cached_str)
757 MONO_OBJECT_SETREF (sb, str, mono_string_new_size (mono_domain_get (), items_written));
759 memcpy (mono_string_chars (sb->str), ut, items_written * 2);
760 sb->length = items_written;
761 sb->cached_str = NULL;
763 g_error_free (error);
769 mono_string_utf8_to_builder2 (char *text)
772 MonoStringBuilder *sb;
773 static MonoClass *string_builder_class;
774 static MonoMethod *sb_ctor;
781 if (!string_builder_class) {
782 MonoMethodDesc *desc;
784 string_builder_class = mono_class_from_name (mono_defaults.corlib, "System.Text", "StringBuilder");
785 g_assert (string_builder_class);
786 desc = mono_method_desc_new (":.ctor(int)", FALSE);
787 sb_ctor = mono_method_desc_search_in_class (desc, string_builder_class);
789 mono_method_desc_free (desc);
794 sb = (MonoStringBuilder*)mono_object_new (mono_domain_get (), string_builder_class);
797 mono_runtime_invoke (sb_ctor, sb, args, &exc);
800 mono_string_utf8_to_builder (sb, text);
806 * FIXME: This routine does not seem to do what it seems to do
807 * the @text is never copied into the string builder
810 mono_string_utf16_to_builder (MonoStringBuilder *sb, gunichar2 *text)
817 g_assert (mono_string_chars (sb->str) == text);
819 for (len = 0; text [len] != 0; ++len)
826 mono_string_utf16_to_builder2 (gunichar2 *text)
829 MonoStringBuilder *sb;
830 static MonoClass *string_builder_class;
831 static MonoMethod *sb_ctor;
838 if (!string_builder_class) {
839 MonoMethodDesc *desc;
841 string_builder_class = mono_class_from_name (mono_defaults.corlib, "System.Text", "StringBuilder");
842 g_assert (string_builder_class);
843 desc = mono_method_desc_new (":.ctor(int)", FALSE);
844 sb_ctor = mono_method_desc_search_in_class (desc, string_builder_class);
846 mono_method_desc_free (desc);
849 for (len = 0; text [len] != 0; ++len)
852 sb = (MonoStringBuilder*)mono_object_new (mono_domain_get (), string_builder_class);
855 mono_runtime_invoke (sb_ctor, sb, args, &exc);
859 memcpy (mono_string_chars (sb->str), text, len * 2);
865 * mono_string_builder_to_utf8:
866 * @sb: the string builder
868 * Converts to utf8 the contents of the MonoStringBuilder.
870 * Returns: a utf8 string with the contents of the StringBuilder.
872 * The return value must be released with g_free.
875 mono_string_builder_to_utf8 (MonoStringBuilder *sb)
877 GError *error = NULL;
878 gchar *tmp, *res = NULL;
883 if ((sb->str == sb->cached_str) && (sb->str->length == 0)) {
885 * The sb could have been allocated with the default capacity and be empty.
886 * we need to alloc a buffer of the default capacity in this case.
888 MONO_OBJECT_SETREF (sb, str, mono_string_new_size (mono_domain_get (), 16));
889 sb->cached_str = NULL;
892 tmp = g_utf16_to_utf8 (mono_string_chars (sb->str), sb->length, NULL, NULL, &error);
894 g_error_free (error);
895 mono_raise_exception (mono_get_exception_execution_engine ("Failed to convert StringBuilder from utf16 to utf8"));
897 res = mono_marshal_alloc (mono_stringbuilder_capacity (sb) + 1);
898 memcpy (res, tmp, sb->length + 1);
906 * mono_string_builder_to_utf16:
907 * @sb: the string builder
909 * Converts to utf16 the contents of the MonoStringBuilder.
911 * Returns: a utf16 string with the contents of the StringBuilder.
913 * The return value must not be freed.
916 mono_string_builder_to_utf16 (MonoStringBuilder *sb)
924 * The stringbuilder might not have ownership of this string. If this is
925 * the case, we must duplicate the string, so that we don't munge immutable
928 if (sb->str == sb->cached_str) {
930 * The sb could have been allocated with the default capacity and be empty.
931 * we need to alloc a buffer of the default capacity in this case.
933 if (sb->str->length == 0)
934 MONO_OBJECT_SETREF (sb, str, mono_string_new_size (mono_domain_get (), 16));
936 MONO_OBJECT_SETREF (sb, str, mono_string_new_utf16 (mono_domain_get (), mono_string_chars (sb->str), mono_stringbuilder_capacity (sb)));
937 sb->cached_str = NULL;
941 *(mono_string_chars (sb->str)) = '\0';
943 return mono_string_chars (sb->str);
947 mono_string_to_lpstr (MonoString *s)
952 GError *error = NULL;
958 as = CoTaskMemAlloc (1);
963 tmp = g_utf16_to_utf8 (mono_string_chars (s), s->length, NULL, &len, &error);
965 MonoException *exc = mono_get_exception_argument ("string", error->message);
966 g_error_free (error);
967 mono_raise_exception(exc);
970 as = CoTaskMemAlloc (len + 1);
971 memcpy (as, tmp, len + 1);
976 return mono_string_to_utf8 (s);
981 mono_string_to_ansibstr (MonoString *string_obj)
983 g_error ("UnmanagedMarshal.BStr is not implemented.");
988 * mono_string_to_byvalstr:
989 * @dst: Where to store the null-terminated utf8 decoded string.
990 * @src: the MonoString to copy.
991 * @size: the maximum number of bytes to copy.
993 * Copies the MonoString pointed to by @src as a utf8 string
994 * into @dst, it copies at most @size bytes into the destination.
997 mono_string_to_byvalstr (gpointer dst, MonoString *src, int size)
1002 g_assert (dst != NULL);
1003 g_assert (size > 0);
1005 memset (dst, 0, size);
1009 s = mono_string_to_utf8 (src);
1010 len = MIN (size, strlen (s));
1013 memcpy (dst, s, len);
1018 * mono_string_to_byvalwstr:
1019 * @dst: Where to store the null-terminated utf16 decoded string.
1020 * @src: the MonoString to copy.
1021 * @size: the maximum number of bytes to copy.
1023 * Copies the MonoString pointed to by @src as a utf16 string into
1024 * @dst, it copies at most @size bytes into the destination (including
1025 * a terminating 16-bit zero terminator).
1028 mono_string_to_byvalwstr (gpointer dst, MonoString *src, int size)
1032 g_assert (dst != NULL);
1033 g_assert (size > 1);
1036 memset (dst, 0, size * 2);
1040 len = MIN (size, (mono_string_length (src)));
1041 memcpy (dst, mono_string_chars (src), size * 2);
1042 if (size <= mono_string_length (src))
1044 *((gunichar2 *) dst + len) = 0;
1048 mono_string_new_len_wrapper (const char *text, guint length)
1050 return mono_string_new_len (mono_domain_get (), text, length);
1054 #ifndef DISABLE_REMOTING
1056 mono_mb_emit_proxy_check (MonoMethodBuilder *mb, int branch_code)
1059 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
1060 mono_mb_emit_byte (mb, CEE_LDIND_I);
1061 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoVTable, klass));
1062 mono_mb_emit_byte (mb, CEE_ADD);
1063 mono_mb_emit_byte (mb, CEE_LDIND_I);
1064 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1065 mono_mb_emit_byte (mb, CEE_MONO_CLASSCONST);
1066 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_defaults.transparent_proxy_class));
1067 pos = mono_mb_emit_branch (mb, branch_code);
1072 mono_mb_emit_xdomain_check (MonoMethodBuilder *mb, int branch_code)
1075 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
1076 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1077 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoRealProxy, target_domain_id));
1078 mono_mb_emit_byte (mb, CEE_LDIND_I4);
1079 mono_mb_emit_icon (mb, -1);
1080 pos = mono_mb_emit_branch (mb, branch_code);
1085 mono_mb_emit_contextbound_check (MonoMethodBuilder *mb, int branch_code)
1087 static int offset = -1;
1091 mono_marshal_find_bitfield_offset (MonoClass, contextbound, &offset, &mask);
1093 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, remote_class));
1094 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1095 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoRemoteClass, proxy_class));
1096 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1097 mono_mb_emit_ldflda (mb, offset);
1098 mono_mb_emit_byte (mb, CEE_LDIND_U1);
1099 mono_mb_emit_icon (mb, mask);
1100 mono_mb_emit_byte (mb, CEE_AND);
1101 mono_mb_emit_icon (mb, 0);
1102 return mono_mb_emit_branch (mb, branch_code);
1104 #endif /* DISABLE_REMOTING */
1107 * mono_mb_emit_exception_marshal_directive:
1109 * This function assumes ownership of MSG, which should be malloc-ed.
1112 mono_mb_emit_exception_marshal_directive (MonoMethodBuilder *mb, char *msg)
1117 s = mono_image_strdup (mb->method->klass->image, msg);
1122 mono_mb_emit_exception_full (mb, "System.Runtime.InteropServices", "MarshalDirectiveException", s);
1125 #endif /* !DISABLE_JIT */
1128 mono_type_to_ldind (MonoType *type)
1134 switch (type->type) {
1136 return CEE_LDIND_I1;
1138 case MONO_TYPE_BOOLEAN:
1139 return CEE_LDIND_U1;
1141 return CEE_LDIND_I2;
1143 case MONO_TYPE_CHAR:
1144 return CEE_LDIND_U2;
1146 return CEE_LDIND_I4;
1148 return CEE_LDIND_U4;
1152 case MONO_TYPE_FNPTR:
1154 case MONO_TYPE_CLASS:
1155 case MONO_TYPE_STRING:
1156 case MONO_TYPE_OBJECT:
1157 case MONO_TYPE_SZARRAY:
1158 case MONO_TYPE_ARRAY:
1159 return CEE_LDIND_REF;
1162 return CEE_LDIND_I8;
1164 return CEE_LDIND_R4;
1166 return CEE_LDIND_R8;
1167 case MONO_TYPE_VALUETYPE:
1168 if (type->data.klass->enumtype) {
1169 type = mono_class_enum_basetype (type->data.klass);
1173 case MONO_TYPE_TYPEDBYREF:
1175 case MONO_TYPE_GENERICINST:
1176 type = &type->data.generic_class->container_class->byval_arg;
1179 g_error ("unknown type 0x%02x in type_to_ldind", type->type);
1185 mono_type_to_stind (MonoType *type)
1191 switch (type->type) {
1194 case MONO_TYPE_BOOLEAN:
1195 return CEE_STIND_I1;
1198 case MONO_TYPE_CHAR:
1199 return CEE_STIND_I2;
1202 return CEE_STIND_I4;
1206 case MONO_TYPE_FNPTR:
1208 case MONO_TYPE_CLASS:
1209 case MONO_TYPE_STRING:
1210 case MONO_TYPE_OBJECT:
1211 case MONO_TYPE_SZARRAY:
1212 case MONO_TYPE_ARRAY:
1213 return CEE_STIND_REF;
1216 return CEE_STIND_I8;
1218 return CEE_STIND_R4;
1220 return CEE_STIND_R8;
1221 case MONO_TYPE_VALUETYPE:
1222 if (type->data.klass->enumtype) {
1223 type = mono_class_enum_basetype (type->data.klass);
1227 case MONO_TYPE_TYPEDBYREF:
1229 case MONO_TYPE_GENERICINST:
1230 type = &type->data.generic_class->container_class->byval_arg;
1233 g_error ("unknown type 0x%02x in type_to_stind", type->type);
1241 emit_ptr_to_object_conv (MonoMethodBuilder *mb, MonoType *type, MonoMarshalConv conv, MonoMarshalSpec *mspec)
1244 case MONO_MARSHAL_CONV_BOOL_I4:
1245 mono_mb_emit_ldloc (mb, 1);
1246 mono_mb_emit_ldloc (mb, 0);
1247 mono_mb_emit_byte (mb, CEE_LDIND_I4);
1248 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
1249 mono_mb_emit_byte (mb, 3);
1250 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
1251 mono_mb_emit_byte (mb, CEE_BR_S);
1252 mono_mb_emit_byte (mb, 1);
1253 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
1254 mono_mb_emit_byte (mb, CEE_STIND_I1);
1256 case MONO_MARSHAL_CONV_BOOL_VARIANTBOOL:
1257 mono_mb_emit_ldloc (mb, 1);
1258 mono_mb_emit_ldloc (mb, 0);
1259 mono_mb_emit_byte (mb, CEE_LDIND_I2);
1260 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
1261 mono_mb_emit_byte (mb, 3);
1262 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
1263 mono_mb_emit_byte (mb, CEE_BR_S);
1264 mono_mb_emit_byte (mb, 1);
1265 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
1266 mono_mb_emit_byte (mb, CEE_STIND_I1);
1268 case MONO_MARSHAL_CONV_ARRAY_BYVALARRAY: {
1269 MonoClass *eklass = NULL;
1272 if (type->type == MONO_TYPE_SZARRAY) {
1273 eklass = type->data.klass;
1275 g_assert_not_reached ();
1278 esize = mono_class_native_size (eklass, NULL);
1280 /* create a new array */
1281 mono_mb_emit_ldloc (mb, 1);
1282 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1283 mono_mb_emit_op (mb, CEE_NEWARR, eklass);
1284 mono_mb_emit_byte (mb, CEE_STIND_I);
1286 if (eklass->blittable) {
1287 /* copy the elements */
1288 mono_mb_emit_ldloc (mb, 1);
1289 mono_mb_emit_byte (mb, CEE_LDIND_I);
1290 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArray, vector));
1291 mono_mb_emit_byte (mb, CEE_ADD);
1292 mono_mb_emit_ldloc (mb, 0);
1293 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem * esize);
1294 mono_mb_emit_byte (mb, CEE_PREFIX1);
1295 mono_mb_emit_byte (mb, CEE_CPBLK);
1298 int array_var, src_var, dst_var, index_var;
1299 guint32 label2, label3;
1301 array_var = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
1302 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1303 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1306 mono_mb_emit_ldloc (mb, 1);
1307 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1308 mono_mb_emit_stloc (mb, array_var);
1310 /* save the old src pointer */
1311 mono_mb_emit_ldloc (mb, 0);
1312 mono_mb_emit_stloc (mb, src_var);
1313 /* save the old dst pointer */
1314 mono_mb_emit_ldloc (mb, 1);
1315 mono_mb_emit_stloc (mb, dst_var);
1317 /* Emit marshalling loop */
1318 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1319 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
1320 mono_mb_emit_stloc (mb, index_var);
1323 label2 = mono_mb_get_label (mb);
1324 mono_mb_emit_ldloc (mb, index_var);
1325 mono_mb_emit_ldloc (mb, array_var);
1326 mono_mb_emit_byte (mb, CEE_LDLEN);
1327 label3 = mono_mb_emit_branch (mb, CEE_BGE);
1329 /* src is already set */
1332 mono_mb_emit_ldloc (mb, array_var);
1333 mono_mb_emit_ldloc (mb, index_var);
1334 mono_mb_emit_op (mb, CEE_LDELEMA, eklass);
1335 mono_mb_emit_stloc (mb, 1);
1337 /* Do the conversion */
1338 emit_struct_conv (mb, eklass, TRUE);
1341 mono_mb_emit_add_to_local (mb, index_var, 1);
1343 mono_mb_emit_branch_label (mb, CEE_BR, label2);
1345 mono_mb_patch_branch (mb, label3);
1347 /* restore the old src pointer */
1348 mono_mb_emit_ldloc (mb, src_var);
1349 mono_mb_emit_stloc (mb, 0);
1350 /* restore the old dst pointer */
1351 mono_mb_emit_ldloc (mb, dst_var);
1352 mono_mb_emit_stloc (mb, 1);
1356 case MONO_MARSHAL_CONV_ARRAY_BYVALCHARARRAY: {
1357 MonoClass *eclass = mono_defaults.char_class;
1359 /* create a new array */
1360 mono_mb_emit_ldloc (mb, 1);
1361 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1362 mono_mb_emit_op (mb, CEE_NEWARR, eclass);
1363 mono_mb_emit_byte (mb, CEE_STIND_REF);
1365 mono_mb_emit_ldloc (mb, 1);
1366 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1367 mono_mb_emit_ldloc (mb, 0);
1368 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1369 mono_mb_emit_icall (mb, mono_byvalarray_to_byte_array);
1372 case MONO_MARSHAL_CONV_STR_BYVALSTR:
1373 mono_mb_emit_ldloc (mb, 1);
1374 mono_mb_emit_ldloc (mb, 0);
1375 mono_mb_emit_icall (mb, mono_string_new_wrapper);
1376 mono_mb_emit_byte (mb, CEE_STIND_REF);
1378 case MONO_MARSHAL_CONV_STR_BYVALWSTR:
1379 if (mspec && mspec->native == MONO_NATIVE_BYVALTSTR && mspec->data.array_data.num_elem) {
1380 mono_mb_emit_ldloc (mb, 1);
1381 mono_mb_emit_ldloc (mb, 0);
1382 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1383 mono_mb_emit_icall (mb, mono_string_from_byvalwstr);
1385 mono_mb_emit_ldloc (mb, 1);
1386 mono_mb_emit_ldloc (mb, 0);
1387 mono_mb_emit_icall (mb, mono_string_from_utf16);
1389 mono_mb_emit_byte (mb, CEE_STIND_REF);
1391 case MONO_MARSHAL_CONV_STR_LPTSTR:
1392 mono_mb_emit_ldloc (mb, 1);
1393 mono_mb_emit_ldloc (mb, 0);
1394 mono_mb_emit_byte (mb, CEE_LDIND_I);
1396 mono_mb_emit_icall (mb, mono_string_from_utf16);
1398 mono_mb_emit_icall (mb, mono_string_new_wrapper);
1400 mono_mb_emit_byte (mb, CEE_STIND_REF);
1402 case MONO_MARSHAL_CONV_STR_LPSTR:
1403 mono_mb_emit_ldloc (mb, 1);
1404 mono_mb_emit_ldloc (mb, 0);
1405 mono_mb_emit_byte (mb, CEE_LDIND_I);
1406 mono_mb_emit_icall (mb, mono_string_new_wrapper);
1407 mono_mb_emit_byte (mb, CEE_STIND_REF);
1409 case MONO_MARSHAL_CONV_STR_LPWSTR:
1410 mono_mb_emit_ldloc (mb, 1);
1411 mono_mb_emit_ldloc (mb, 0);
1412 mono_mb_emit_byte (mb, CEE_LDIND_I);
1413 mono_mb_emit_icall (mb, mono_string_from_utf16);
1414 mono_mb_emit_byte (mb, CEE_STIND_REF);
1416 case MONO_MARSHAL_CONV_OBJECT_STRUCT: {
1417 MonoClass *klass = mono_class_from_mono_type (type);
1418 int src_var, dst_var;
1420 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1421 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1423 /* *dst = new object */
1424 mono_mb_emit_ldloc (mb, 1);
1425 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1426 mono_mb_emit_op (mb, CEE_MONO_NEWOBJ, klass);
1427 mono_mb_emit_byte (mb, CEE_STIND_REF);
1429 /* save the old src pointer */
1430 mono_mb_emit_ldloc (mb, 0);
1431 mono_mb_emit_stloc (mb, src_var);
1432 /* save the old dst pointer */
1433 mono_mb_emit_ldloc (mb, 1);
1434 mono_mb_emit_stloc (mb, dst_var);
1436 /* dst = pointer to newly created object data */
1437 mono_mb_emit_ldloc (mb, 1);
1438 mono_mb_emit_byte (mb, CEE_LDIND_I);
1439 mono_mb_emit_icon (mb, sizeof (MonoObject));
1440 mono_mb_emit_byte (mb, CEE_ADD);
1441 mono_mb_emit_stloc (mb, 1);
1443 emit_struct_conv (mb, klass, TRUE);
1445 /* restore the old src pointer */
1446 mono_mb_emit_ldloc (mb, src_var);
1447 mono_mb_emit_stloc (mb, 0);
1448 /* restore the old dst pointer */
1449 mono_mb_emit_ldloc (mb, dst_var);
1450 mono_mb_emit_stloc (mb, 1);
1453 case MONO_MARSHAL_CONV_DEL_FTN: {
1454 MonoClass *klass = mono_class_from_mono_type (type);
1456 mono_mb_emit_ldloc (mb, 1);
1457 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1458 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
1459 mono_mb_emit_ldloc (mb, 0);
1460 mono_mb_emit_byte (mb, CEE_LDIND_I);
1461 mono_mb_emit_icall (mb, mono_ftnptr_to_delegate);
1462 mono_mb_emit_byte (mb, CEE_STIND_REF);
1465 case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
1466 g_error ("Structure field of type %s can't be marshalled as LPArray", mono_class_from_mono_type (type)->name);
1470 case MONO_MARSHAL_CONV_OBJECT_INTERFACE:
1471 case MONO_MARSHAL_CONV_OBJECT_IUNKNOWN:
1472 case MONO_MARSHAL_CONV_OBJECT_IDISPATCH:
1473 mono_cominterop_emit_ptr_to_object_conv (mb, type, conv, mspec);
1475 #endif /* DISABLE_COM */
1477 case MONO_MARSHAL_CONV_SAFEHANDLE: {
1479 * Passing SafeHandles as ref does not allow the unmanaged code
1480 * to change the SafeHandle value. If the value is changed,
1481 * we should issue a diagnostic exception (NotSupportedException)
1482 * that informs the user that changes to handles in unmanaged code
1485 * Since we currently have no access to the original
1486 * SafeHandle that was used during the marshalling,
1487 * for now we just ignore this, and ignore/discard any
1488 * changes that might have happened to the handle.
1493 case MONO_MARSHAL_CONV_HANDLEREF: {
1495 * Passing HandleRefs in a struct that is ref()ed does not
1496 * copy the values back to the HandleRef
1501 case MONO_MARSHAL_CONV_STR_BSTR:
1502 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
1503 case MONO_MARSHAL_CONV_STR_TBSTR:
1504 case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
1506 char *msg = g_strdup_printf ("marshaling conversion %d not implemented", conv);
1508 mono_mb_emit_exception_marshal_directive (mb, msg);
1515 conv_to_icall (MonoMarshalConv conv)
1518 case MONO_MARSHAL_CONV_STR_LPWSTR:
1519 return mono_marshal_string_to_utf16;
1520 case MONO_MARSHAL_CONV_LPWSTR_STR:
1521 return mono_string_from_utf16;
1522 case MONO_MARSHAL_CONV_LPTSTR_STR:
1523 return mono_string_new_wrapper;
1524 case MONO_MARSHAL_CONV_LPSTR_STR:
1525 return mono_string_new_wrapper;
1526 case MONO_MARSHAL_CONV_STR_LPTSTR:
1528 return mono_marshal_string_to_utf16;
1530 return mono_string_to_lpstr;
1532 case MONO_MARSHAL_CONV_STR_LPSTR:
1533 return mono_string_to_lpstr;
1534 case MONO_MARSHAL_CONV_STR_BSTR:
1535 return mono_string_to_bstr;
1536 case MONO_MARSHAL_CONV_BSTR_STR:
1537 return mono_string_from_bstr;
1538 case MONO_MARSHAL_CONV_STR_TBSTR:
1539 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
1540 return mono_string_to_ansibstr;
1541 case MONO_MARSHAL_CONV_SB_LPSTR:
1542 return mono_string_builder_to_utf8;
1543 case MONO_MARSHAL_CONV_SB_LPTSTR:
1545 return mono_string_builder_to_utf16;
1547 return mono_string_builder_to_utf8;
1549 case MONO_MARSHAL_CONV_SB_LPWSTR:
1550 return mono_string_builder_to_utf16;
1551 case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
1552 return mono_array_to_savearray;
1553 case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
1554 return mono_array_to_lparray;
1555 case MONO_MARSHAL_FREE_LPARRAY:
1556 return mono_free_lparray;
1557 case MONO_MARSHAL_CONV_DEL_FTN:
1558 return mono_delegate_to_ftnptr;
1559 case MONO_MARSHAL_CONV_FTN_DEL:
1560 return mono_ftnptr_to_delegate;
1561 case MONO_MARSHAL_CONV_LPSTR_SB:
1562 return mono_string_utf8_to_builder;
1563 case MONO_MARSHAL_CONV_LPTSTR_SB:
1565 return mono_string_utf16_to_builder;
1567 return mono_string_utf8_to_builder;
1569 case MONO_MARSHAL_CONV_LPWSTR_SB:
1570 return mono_string_utf16_to_builder;
1571 case MONO_MARSHAL_FREE_ARRAY:
1572 return mono_marshal_free_array;
1573 case MONO_MARSHAL_CONV_STR_BYVALSTR:
1574 return mono_string_to_byvalstr;
1575 case MONO_MARSHAL_CONV_STR_BYVALWSTR:
1576 return mono_string_to_byvalwstr;
1578 g_assert_not_reached ();
1585 emit_object_to_ptr_conv (MonoMethodBuilder *mb, MonoType *type, MonoMarshalConv conv, MonoMarshalSpec *mspec)
1590 case MONO_MARSHAL_CONV_BOOL_I4:
1591 mono_mb_emit_ldloc (mb, 1);
1592 mono_mb_emit_ldloc (mb, 0);
1593 mono_mb_emit_byte (mb, CEE_LDIND_U1);
1594 mono_mb_emit_byte (mb, CEE_STIND_I4);
1596 case MONO_MARSHAL_CONV_BOOL_VARIANTBOOL:
1597 mono_mb_emit_ldloc (mb, 1);
1598 mono_mb_emit_ldloc (mb, 0);
1599 mono_mb_emit_byte (mb, CEE_LDIND_U1);
1600 mono_mb_emit_byte (mb, CEE_NEG);
1601 mono_mb_emit_byte (mb, CEE_STIND_I2);
1603 case MONO_MARSHAL_CONV_STR_LPWSTR:
1604 case MONO_MARSHAL_CONV_STR_LPSTR:
1605 case MONO_MARSHAL_CONV_STR_LPTSTR:
1606 case MONO_MARSHAL_CONV_STR_BSTR:
1607 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
1608 case MONO_MARSHAL_CONV_STR_TBSTR: {
1611 /* free space if free == true */
1612 mono_mb_emit_ldloc (mb, 2);
1613 pos = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
1614 mono_mb_emit_ldloc (mb, 1);
1615 mono_mb_emit_byte (mb, CEE_LDIND_I);
1616 mono_mb_emit_icall (mb, g_free);
1617 mono_mb_patch_short_branch (mb, pos);
1619 mono_mb_emit_ldloc (mb, 1);
1620 mono_mb_emit_ldloc (mb, 0);
1621 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1622 mono_mb_emit_icall (mb, conv_to_icall (conv));
1623 mono_mb_emit_byte (mb, CEE_STIND_I);
1626 case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
1627 case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
1628 case MONO_MARSHAL_CONV_DEL_FTN:
1629 mono_mb_emit_ldloc (mb, 1);
1630 mono_mb_emit_ldloc (mb, 0);
1631 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1632 mono_mb_emit_icall (mb, conv_to_icall (conv));
1633 mono_mb_emit_byte (mb, CEE_STIND_I);
1635 case MONO_MARSHAL_CONV_STR_BYVALSTR:
1636 case MONO_MARSHAL_CONV_STR_BYVALWSTR: {
1639 mono_mb_emit_ldloc (mb, 1); /* dst */
1640 mono_mb_emit_ldloc (mb, 0);
1641 mono_mb_emit_byte (mb, CEE_LDIND_REF); /* src String */
1642 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1643 mono_mb_emit_icall (mb, conv_to_icall (conv));
1646 case MONO_MARSHAL_CONV_ARRAY_BYVALARRAY: {
1647 MonoClass *eklass = NULL;
1650 if (type->type == MONO_TYPE_SZARRAY) {
1651 eklass = type->data.klass;
1653 g_assert_not_reached ();
1656 if (eklass->valuetype)
1657 esize = mono_class_native_size (eklass, NULL);
1659 esize = sizeof (gpointer);
1661 mono_mb_emit_ldloc (mb, 0);
1662 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1663 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
1665 if (eklass->blittable) {
1666 mono_mb_emit_ldloc (mb, 1);
1667 mono_mb_emit_ldloc (mb, 0);
1668 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1669 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoArray, vector));
1670 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem * esize);
1671 mono_mb_emit_byte (mb, CEE_PREFIX1);
1672 mono_mb_emit_byte (mb, CEE_CPBLK);
1674 int array_var, src_var, dst_var, index_var;
1675 guint32 label2, label3;
1677 array_var = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
1678 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1679 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1682 mono_mb_emit_ldloc (mb, 0);
1683 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1684 mono_mb_emit_stloc (mb, array_var);
1686 /* save the old src pointer */
1687 mono_mb_emit_ldloc (mb, 0);
1688 mono_mb_emit_stloc (mb, src_var);
1689 /* save the old dst pointer */
1690 mono_mb_emit_ldloc (mb, 1);
1691 mono_mb_emit_stloc (mb, dst_var);
1693 /* Emit marshalling loop */
1694 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1695 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
1696 mono_mb_emit_stloc (mb, index_var);
1699 label2 = mono_mb_get_label (mb);
1700 mono_mb_emit_ldloc (mb, index_var);
1701 mono_mb_emit_ldloc (mb, array_var);
1702 mono_mb_emit_byte (mb, CEE_LDLEN);
1703 label3 = mono_mb_emit_branch (mb, CEE_BGE);
1706 mono_mb_emit_ldloc (mb, array_var);
1707 mono_mb_emit_ldloc (mb, index_var);
1708 mono_mb_emit_op (mb, CEE_LDELEMA, eklass);
1709 mono_mb_emit_stloc (mb, 0);
1711 /* dst is already set */
1713 /* Do the conversion */
1714 emit_struct_conv (mb, eklass, FALSE);
1717 mono_mb_emit_add_to_local (mb, index_var, 1);
1719 mono_mb_emit_branch_label (mb, CEE_BR, label2);
1721 mono_mb_patch_branch (mb, label3);
1723 /* restore the old src pointer */
1724 mono_mb_emit_ldloc (mb, src_var);
1725 mono_mb_emit_stloc (mb, 0);
1726 /* restore the old dst pointer */
1727 mono_mb_emit_ldloc (mb, dst_var);
1728 mono_mb_emit_stloc (mb, 1);
1731 mono_mb_patch_branch (mb, pos);
1734 case MONO_MARSHAL_CONV_ARRAY_BYVALCHARARRAY: {
1735 mono_mb_emit_ldloc (mb, 0);
1736 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1737 pos = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
1739 mono_mb_emit_ldloc (mb, 1);
1740 mono_mb_emit_ldloc (mb, 0);
1741 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1742 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1743 mono_mb_emit_icall (mb, mono_array_to_byte_byvalarray);
1744 mono_mb_patch_short_branch (mb, pos);
1747 case MONO_MARSHAL_CONV_OBJECT_STRUCT: {
1748 int src_var, dst_var;
1750 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1751 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1753 mono_mb_emit_ldloc (mb, 0);
1754 mono_mb_emit_byte (mb, CEE_LDIND_I);
1755 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
1757 /* save the old src pointer */
1758 mono_mb_emit_ldloc (mb, 0);
1759 mono_mb_emit_stloc (mb, src_var);
1760 /* save the old dst pointer */
1761 mono_mb_emit_ldloc (mb, 1);
1762 mono_mb_emit_stloc (mb, dst_var);
1764 /* src = pointer to object data */
1765 mono_mb_emit_ldloc (mb, 0);
1766 mono_mb_emit_byte (mb, CEE_LDIND_I);
1767 mono_mb_emit_icon (mb, sizeof (MonoObject));
1768 mono_mb_emit_byte (mb, CEE_ADD);
1769 mono_mb_emit_stloc (mb, 0);
1771 emit_struct_conv (mb, mono_class_from_mono_type (type), FALSE);
1773 /* restore the old src pointer */
1774 mono_mb_emit_ldloc (mb, src_var);
1775 mono_mb_emit_stloc (mb, 0);
1776 /* restore the old dst pointer */
1777 mono_mb_emit_ldloc (mb, dst_var);
1778 mono_mb_emit_stloc (mb, 1);
1780 mono_mb_patch_branch (mb, pos);
1785 case MONO_MARSHAL_CONV_OBJECT_INTERFACE:
1786 case MONO_MARSHAL_CONV_OBJECT_IDISPATCH:
1787 case MONO_MARSHAL_CONV_OBJECT_IUNKNOWN:
1788 mono_cominterop_emit_object_to_ptr_conv (mb, type, conv, mspec);
1790 #endif /* DISABLE_COM */
1792 case MONO_MARSHAL_CONV_SAFEHANDLE: {
1793 int dar_release_slot, pos;
1795 dar_release_slot = mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
1798 * The following is ifdefed-out, because I have no way of doing the
1799 * DangerousRelease when destroying the structure
1802 /* set release = false */
1803 mono_mb_emit_icon (mb, 0);
1804 mono_mb_emit_stloc (mb, dar_release_slot);
1805 if (!sh_dangerous_add_ref)
1806 init_safe_handle ();
1808 /* safehandle.DangerousAddRef (ref release) */
1809 mono_mb_emit_ldloc (mb, 0); /* the source */
1810 mono_mb_emit_byte (mb, CEE_LDIND_I);
1811 mono_mb_emit_ldloc_addr (mb, dar_release_slot);
1812 mono_mb_emit_managed_call (mb, sh_dangerous_add_ref, NULL);
1814 mono_mb_emit_ldloc (mb, 0);
1815 mono_mb_emit_byte (mb, CEE_LDIND_I);
1816 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
1817 mono_mb_emit_exception (mb, "ArgumentNullException", NULL);
1818 mono_mb_patch_branch (mb, pos);
1820 /* Pull the handle field from SafeHandle */
1821 mono_mb_emit_ldloc (mb, 1);
1822 mono_mb_emit_ldloc (mb, 0);
1823 mono_mb_emit_byte (mb, CEE_LDIND_I);
1824 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoSafeHandle, handle));
1825 mono_mb_emit_byte (mb, CEE_LDIND_I);
1826 mono_mb_emit_byte (mb, CEE_STIND_I);
1830 case MONO_MARSHAL_CONV_HANDLEREF: {
1831 mono_mb_emit_ldloc (mb, 1);
1832 mono_mb_emit_ldloc (mb, 0);
1833 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoHandleRef, handle));
1834 mono_mb_emit_byte (mb, CEE_ADD);
1835 mono_mb_emit_byte (mb, CEE_LDIND_I);
1836 mono_mb_emit_byte (mb, CEE_STIND_I);
1841 char *msg = g_strdup_printf ("marshalling conversion %d not implemented", conv);
1842 MonoException *exc = mono_get_exception_not_implemented (msg);
1843 g_warning ("%s", msg);
1845 mono_raise_exception (exc);
1851 emit_struct_conv_full (MonoMethodBuilder *mb, MonoClass *klass, gboolean to_object,
1852 MonoMarshalNative string_encoding)
1854 MonoMarshalType *info;
1858 emit_struct_conv(mb, klass->parent, to_object);
1860 info = mono_marshal_load_type_info (klass);
1862 if (info->native_size == 0)
1865 if (klass->blittable) {
1866 int msize = mono_class_value_size (klass, NULL);
1867 g_assert (msize == info->native_size);
1868 mono_mb_emit_ldloc (mb, 1);
1869 mono_mb_emit_ldloc (mb, 0);
1870 mono_mb_emit_icon (mb, msize);
1871 mono_mb_emit_byte (mb, CEE_PREFIX1);
1872 mono_mb_emit_byte (mb, CEE_CPBLK);
1874 mono_mb_emit_add_to_local (mb, 0, msize);
1875 mono_mb_emit_add_to_local (mb, 1, msize);
1879 if (klass != mono_defaults.safehandle_class) {
1880 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
1881 char *msg = g_strdup_printf ("Type %s which is passed to unmanaged code must have a StructLayout attribute.",
1882 mono_type_full_name (&klass->byval_arg));
1883 mono_mb_emit_exception_marshal_directive (mb, msg);
1888 for (i = 0; i < info->num_fields; i++) {
1889 MonoMarshalNative ntype;
1890 MonoMarshalConv conv;
1891 MonoType *ftype = info->fields [i].field->type;
1894 gboolean last_field = i < (info->num_fields -1) ? 0 : 1;
1896 if (ftype->attrs & FIELD_ATTRIBUTE_STATIC)
1899 ntype = mono_type_to_unmanaged (ftype, info->fields [i].mspec, TRUE, klass->unicode, &conv);
1902 msize = klass->instance_size - info->fields [i].field->offset;
1903 usize = info->native_size - info->fields [i].offset;
1905 msize = info->fields [i + 1].field->offset - info->fields [i].field->offset;
1906 usize = info->fields [i + 1].offset - info->fields [i].offset;
1909 if (klass != mono_defaults.safehandle_class){
1911 * FIXME: Should really check for usize==0 and msize>0, but we apply
1912 * the layout to the managed structure as well.
1915 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) && (usize == 0)) {
1916 if (MONO_TYPE_IS_REFERENCE (info->fields [i].field->type) ||
1917 ((!last_field && MONO_TYPE_IS_REFERENCE (info->fields [i + 1].field->type))))
1918 g_error ("Type %s which has an [ExplicitLayout] attribute cannot have a "
1919 "reference field at the same offset as another field.",
1920 mono_type_full_name (&klass->byval_arg));
1925 case MONO_MARSHAL_CONV_NONE: {
1928 if (ftype->byref || ftype->type == MONO_TYPE_I ||
1929 ftype->type == MONO_TYPE_U) {
1930 mono_mb_emit_ldloc (mb, 1);
1931 mono_mb_emit_ldloc (mb, 0);
1932 mono_mb_emit_byte (mb, CEE_LDIND_I);
1933 mono_mb_emit_byte (mb, CEE_STIND_I);
1944 case MONO_TYPE_BOOLEAN:
1947 case MONO_TYPE_CHAR:
1953 mono_mb_emit_ldloc (mb, 1);
1954 mono_mb_emit_ldloc (mb, 0);
1955 if (t == MONO_TYPE_CHAR && ntype == MONO_NATIVE_U1 && string_encoding != MONO_NATIVE_LPWSTR) {
1957 mono_mb_emit_byte (mb, CEE_LDIND_U1);
1958 mono_mb_emit_byte (mb, CEE_STIND_I2);
1960 mono_mb_emit_byte (mb, CEE_LDIND_U2);
1961 mono_mb_emit_byte (mb, CEE_STIND_I1);
1964 mono_mb_emit_byte (mb, mono_type_to_ldind (ftype));
1965 mono_mb_emit_byte (mb, mono_type_to_stind (ftype));
1968 case MONO_TYPE_VALUETYPE: {
1969 int src_var, dst_var;
1971 if (ftype->data.klass->enumtype) {
1972 ftype = mono_class_enum_basetype (ftype->data.klass);
1976 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1977 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1979 /* save the old src pointer */
1980 mono_mb_emit_ldloc (mb, 0);
1981 mono_mb_emit_stloc (mb, src_var);
1982 /* save the old dst pointer */
1983 mono_mb_emit_ldloc (mb, 1);
1984 mono_mb_emit_stloc (mb, dst_var);
1986 emit_struct_conv (mb, ftype->data.klass, to_object);
1988 /* restore the old src pointer */
1989 mono_mb_emit_ldloc (mb, src_var);
1990 mono_mb_emit_stloc (mb, 0);
1991 /* restore the old dst pointer */
1992 mono_mb_emit_ldloc (mb, dst_var);
1993 mono_mb_emit_stloc (mb, 1);
1996 case MONO_TYPE_OBJECT: {
1999 static MonoMethod *variant_clear = NULL;
2000 static MonoMethod *get_object_for_native_variant = NULL;
2003 variant_clear = mono_class_get_method_from_name (mono_class_get_variant_class (), "Clear", 0);
2004 if (!get_object_for_native_variant)
2005 get_object_for_native_variant = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetObjectForNativeVariant", 1);
2006 mono_mb_emit_ldloc (mb, 1);
2007 mono_mb_emit_ldloc (mb, 0);
2008 mono_mb_emit_managed_call (mb, get_object_for_native_variant, NULL);
2009 mono_mb_emit_byte (mb, CEE_STIND_REF);
2011 mono_mb_emit_ldloc (mb, 0);
2012 mono_mb_emit_managed_call (mb, variant_clear, NULL);
2015 static MonoMethod *get_native_variant_for_object = NULL;
2017 if (!get_native_variant_for_object)
2018 get_native_variant_for_object = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetNativeVariantForObject", 2);
2020 mono_mb_emit_ldloc (mb, 0);
2021 mono_mb_emit_byte(mb, CEE_LDIND_REF);
2022 mono_mb_emit_ldloc (mb, 1);
2023 mono_mb_emit_managed_call (mb, get_native_variant_for_object, NULL);
2026 char *msg = g_strdup_printf ("COM support was disabled at compilation time.");
2027 mono_mb_emit_exception_marshal_directive (mb, msg);
2033 g_warning ("marshaling type %02x not implemented", ftype->type);
2034 g_assert_not_reached ();
2039 int src_var, dst_var;
2041 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2042 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2044 /* save the old src pointer */
2045 mono_mb_emit_ldloc (mb, 0);
2046 mono_mb_emit_stloc (mb, src_var);
2047 /* save the old dst pointer */
2048 mono_mb_emit_ldloc (mb, 1);
2049 mono_mb_emit_stloc (mb, dst_var);
2052 emit_ptr_to_object_conv (mb, ftype, conv, info->fields [i].mspec);
2054 emit_object_to_ptr_conv (mb, ftype, conv, info->fields [i].mspec);
2056 /* restore the old src pointer */
2057 mono_mb_emit_ldloc (mb, src_var);
2058 mono_mb_emit_stloc (mb, 0);
2059 /* restore the old dst pointer */
2060 mono_mb_emit_ldloc (mb, dst_var);
2061 mono_mb_emit_stloc (mb, 1);
2066 mono_mb_emit_add_to_local (mb, 0, usize);
2067 mono_mb_emit_add_to_local (mb, 1, msize);
2069 mono_mb_emit_add_to_local (mb, 0, msize);
2070 mono_mb_emit_add_to_local (mb, 1, usize);
2076 emit_struct_conv (MonoMethodBuilder *mb, MonoClass *klass, gboolean to_object)
2078 emit_struct_conv_full (mb, klass, to_object, -1);
2082 emit_struct_free (MonoMethodBuilder *mb, MonoClass *klass, int struct_var)
2084 /* Call DestroyStructure */
2085 /* FIXME: Only do this if needed */
2086 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2087 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
2088 mono_mb_emit_ldloc (mb, struct_var);
2089 mono_mb_emit_icall (mb, mono_struct_delete_old);
2093 emit_thread_interrupt_checkpoint_call (MonoMethodBuilder *mb, gpointer checkpoint_func)
2097 mono_mb_emit_ptr (mb, (gpointer) mono_thread_interruption_request_flag ());
2098 mono_mb_emit_byte (mb, CEE_LDIND_U4);
2099 pos_noabort = mono_mb_emit_branch (mb, CEE_BRFALSE);
2101 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2102 mono_mb_emit_byte (mb, CEE_MONO_NOT_TAKEN);
2104 mono_mb_emit_icall (mb, checkpoint_func);
2106 mono_mb_patch_branch (mb, pos_noabort);
2110 emit_thread_interrupt_checkpoint (MonoMethodBuilder *mb)
2112 if (strstr (mb->name, "mono_thread_interruption_checkpoint"))
2115 emit_thread_interrupt_checkpoint_call (mb, mono_thread_interruption_checkpoint);
2119 emit_thread_force_interrupt_checkpoint (MonoMethodBuilder *mb)
2121 emit_thread_interrupt_checkpoint_call (mb, mono_thread_force_interruption_checkpoint);
2125 mono_marshal_emit_thread_interrupt_checkpoint (MonoMethodBuilder *mb)
2127 emit_thread_interrupt_checkpoint (mb);
2130 #endif /* DISABLE_JIT */
2132 static MonoAsyncResult *
2133 mono_delegate_begin_invoke (MonoDelegate *delegate, gpointer *params)
2135 MonoMethodMessage *msg;
2136 MonoDelegate *async_callback;
2137 MonoMulticastDelegate *mcast_delegate;
2141 MonoMethod *method = NULL, *method2 = NULL;
2143 g_assert (delegate);
2144 mcast_delegate = (MonoMulticastDelegate *) delegate;
2145 if (mcast_delegate->prev != NULL)
2146 mono_raise_exception (mono_get_exception_argument (NULL, "The delegate must have only one target"));
2148 #ifndef DISABLE_REMOTING
2149 if (delegate->target && mono_object_class (delegate->target) == mono_defaults.transparent_proxy_class) {
2151 MonoTransparentProxy* tp = (MonoTransparentProxy *)delegate->target;
2152 if (!mono_class_is_contextbound (tp->remote_class->proxy_class) || tp->rp->context != (MonoObject *) mono_context_get ()) {
2154 /* If the target is a proxy, make a direct call. Is proxy's work
2155 // to make the call asynchronous.
2157 MonoAsyncResult *ares;
2159 MonoArray *out_args;
2160 method = delegate->method;
2162 msg = mono_method_call_message_new (mono_marshal_method_from_wrapper (method), params, NULL, &async_callback, &state);
2163 ares = mono_async_result_new (mono_domain_get (), NULL, state, NULL, NULL);
2164 MONO_OBJECT_SETREF (ares, async_delegate, (MonoObject *)delegate);
2165 MONO_OBJECT_SETREF (ares, async_callback, (MonoObject *)async_callback);
2166 MONO_OBJECT_SETREF (msg, async_result, ares);
2167 msg->call_type = CallType_BeginInvoke;
2170 mono_remoting_invoke ((MonoObject *)tp->rp, msg, &exc, &out_args);
2172 mono_raise_exception ((MonoException *) exc);
2178 klass = delegate->object.vtable->klass;
2180 method = mono_get_delegate_invoke (klass);
2181 method2 = mono_class_get_method_from_name (klass, "BeginInvoke", -1);
2184 g_assert (method != NULL);
2186 im = mono_get_delegate_invoke (method->klass);
2187 msg = mono_method_call_message_new (method, params, im, &async_callback, &state);
2189 return mono_thread_pool_add ((MonoObject *)delegate, msg, async_callback, state);
2195 mono_mb_emit_save_args (MonoMethodBuilder *mb, MonoMethodSignature *sig, gboolean save_this)
2197 int i, params_var, tmp_var;
2199 /* allocate local (pointer) *params[] */
2200 params_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2201 /* allocate local (pointer) tmp */
2202 tmp_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2204 /* alloate space on stack to store an array of pointers to the arguments */
2205 mono_mb_emit_icon (mb, sizeof (gpointer) * (sig->param_count + 1));
2206 mono_mb_emit_byte (mb, CEE_PREFIX1);
2207 mono_mb_emit_byte (mb, CEE_LOCALLOC);
2208 mono_mb_emit_stloc (mb, params_var);
2211 mono_mb_emit_ldloc (mb, params_var);
2212 mono_mb_emit_stloc (mb, tmp_var);
2214 if (save_this && sig->hasthis) {
2215 mono_mb_emit_ldloc (mb, tmp_var);
2216 mono_mb_emit_ldarg_addr (mb, 0);
2217 mono_mb_emit_byte (mb, CEE_STIND_I);
2218 /* tmp = tmp + sizeof (gpointer) */
2219 if (sig->param_count)
2220 mono_mb_emit_add_to_local (mb, tmp_var, sizeof (gpointer));
2224 for (i = 0; i < sig->param_count; i++) {
2225 mono_mb_emit_ldloc (mb, tmp_var);
2226 mono_mb_emit_ldarg_addr (mb, i + sig->hasthis);
2227 mono_mb_emit_byte (mb, CEE_STIND_I);
2228 /* tmp = tmp + sizeof (gpointer) */
2229 if (i < (sig->param_count - 1))
2230 mono_mb_emit_add_to_local (mb, tmp_var, sizeof (gpointer));
2236 #endif /* DISABLE_JIT */
2239 mono_signature_to_name (MonoMethodSignature *sig, const char *prefix)
2243 GString *res = g_string_new ("");
2246 g_string_append (res, prefix);
2247 g_string_append_c (res, '_');
2250 mono_type_get_desc (res, sig->ret, FALSE);
2253 g_string_append (res, "__this__");
2255 for (i = 0; i < sig->param_count; ++i) {
2256 g_string_append_c (res, '_');
2257 mono_type_get_desc (res, sig->params [i], FALSE);
2260 g_string_free (res, FALSE);
2265 * mono_marshal_get_string_encoding:
2267 * Return the string encoding which should be used for a given parameter.
2269 static MonoMarshalNative
2270 mono_marshal_get_string_encoding (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
2272 /* First try the parameter marshal info */
2274 if (spec->native == MONO_NATIVE_LPARRAY) {
2275 if ((spec->data.array_data.elem_type != 0) && (spec->data.array_data.elem_type != MONO_NATIVE_MAX))
2276 return spec->data.array_data.elem_type;
2279 return spec->native;
2283 return MONO_NATIVE_LPSTR;
2285 /* Then try the method level marshal info */
2286 switch (piinfo->piflags & PINVOKE_ATTRIBUTE_CHAR_SET_MASK) {
2287 case PINVOKE_ATTRIBUTE_CHAR_SET_ANSI:
2288 return MONO_NATIVE_LPSTR;
2289 case PINVOKE_ATTRIBUTE_CHAR_SET_UNICODE:
2290 return MONO_NATIVE_LPWSTR;
2291 case PINVOKE_ATTRIBUTE_CHAR_SET_AUTO:
2293 return MONO_NATIVE_LPWSTR;
2295 return MONO_NATIVE_LPSTR;
2298 return MONO_NATIVE_LPSTR;
2302 static MonoMarshalConv
2303 mono_marshal_get_string_to_ptr_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
2305 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
2308 case MONO_NATIVE_LPWSTR:
2309 return MONO_MARSHAL_CONV_STR_LPWSTR;
2310 case MONO_NATIVE_LPSTR:
2311 case MONO_NATIVE_VBBYREFSTR:
2312 return MONO_MARSHAL_CONV_STR_LPSTR;
2313 case MONO_NATIVE_LPTSTR:
2314 return MONO_MARSHAL_CONV_STR_LPTSTR;
2315 case MONO_NATIVE_BSTR:
2316 return MONO_MARSHAL_CONV_STR_BSTR;
2322 static MonoMarshalConv
2323 mono_marshal_get_stringbuilder_to_ptr_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
2325 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
2328 case MONO_NATIVE_LPWSTR:
2329 return MONO_MARSHAL_CONV_SB_LPWSTR;
2331 case MONO_NATIVE_LPSTR:
2332 return MONO_MARSHAL_CONV_SB_LPSTR;
2334 case MONO_NATIVE_LPTSTR:
2335 return MONO_MARSHAL_CONV_SB_LPTSTR;
2342 static MonoMarshalConv
2343 mono_marshal_get_ptr_to_string_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec, gboolean *need_free)
2345 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
2350 case MONO_NATIVE_LPWSTR:
2352 return MONO_MARSHAL_CONV_LPWSTR_STR;
2353 case MONO_NATIVE_LPSTR:
2354 case MONO_NATIVE_VBBYREFSTR:
2355 return MONO_MARSHAL_CONV_LPSTR_STR;
2356 case MONO_NATIVE_LPTSTR:
2357 return MONO_MARSHAL_CONV_LPTSTR_STR;
2358 case MONO_NATIVE_BSTR:
2359 return MONO_MARSHAL_CONV_BSTR_STR;
2365 static MonoMarshalConv
2366 mono_marshal_get_ptr_to_stringbuilder_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec, gboolean *need_free)
2368 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
2373 case MONO_NATIVE_LPWSTR:
2375 * mono_string_builder_to_utf16 does not allocate a
2376 * new buffer, so no need to free it.
2379 return MONO_MARSHAL_CONV_LPWSTR_SB;
2380 case MONO_NATIVE_LPSTR:
2381 return MONO_MARSHAL_CONV_LPSTR_SB;
2383 case MONO_NATIVE_LPTSTR:
2384 return MONO_MARSHAL_CONV_LPTSTR_SB;
2392 * Return whenever a field of a native structure or an array member needs to
2396 mono_marshal_need_free (MonoType *t, MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
2398 MonoMarshalNative encoding;
2399 MonoMarshalConv conv;
2402 case MONO_TYPE_VALUETYPE:
2403 /* FIXME: Optimize this */
2405 case MONO_TYPE_OBJECT:
2406 case MONO_TYPE_CLASS:
2407 if (t->data.klass == mono_defaults.stringbuilder_class) {
2409 conv = mono_marshal_get_ptr_to_stringbuilder_conv (piinfo, spec, &need_free);
2413 case MONO_TYPE_STRING:
2414 encoding = mono_marshal_get_string_encoding (piinfo, spec);
2415 return (encoding == MONO_NATIVE_LPWSTR) ? FALSE : TRUE;
2422 * Return the hash table pointed to by VAR, lazily creating it if neccesary.
2425 get_cache (GHashTable **var, GHashFunc hash_func, GCompareFunc equal_func)
2428 mono_marshal_lock ();
2431 g_hash_table_new (hash_func, equal_func);
2432 mono_memory_barrier ();
2435 mono_marshal_unlock ();
2441 get_cache_full (GHashTable **var, GHashFunc hash_func, GCompareFunc equal_func, GDestroyNotify key_destroy_func, GDestroyNotify value_destroy_func)
2444 mono_marshal_lock ();
2447 g_hash_table_new_full (hash_func, equal_func, key_destroy_func, value_destroy_func);
2448 mono_memory_barrier ();
2451 mono_marshal_unlock ();
2457 mono_marshal_get_cache (GHashTable **var, GHashFunc hash_func, GCompareFunc equal_func)
2459 return get_cache (var, hash_func, equal_func);
2463 mono_marshal_find_in_cache (GHashTable *cache, gpointer key)
2467 mono_marshal_lock ();
2468 res = g_hash_table_lookup (cache, key);
2469 mono_marshal_unlock ();
2473 /* Create the method from the builder and place it in the cache */
2475 mono_mb_create_and_cache (GHashTable *cache, gpointer key,
2476 MonoMethodBuilder *mb, MonoMethodSignature *sig,
2481 mono_marshal_lock ();
2482 res = g_hash_table_lookup (cache, key);
2483 mono_marshal_unlock ();
2486 newm = mono_mb_create_method (mb, sig, max_stack);
2487 mono_marshal_lock ();
2488 res = g_hash_table_lookup (cache, key);
2491 g_hash_table_insert (cache, key, res);
2492 mono_marshal_set_wrapper_info (res, key);
2493 mono_marshal_unlock ();
2495 mono_marshal_unlock ();
2496 mono_free_method (newm);
2504 static inline MonoMethod*
2505 mono_marshal_remoting_find_in_cache (MonoMethod *method, int wrapper_type)
2507 MonoMethod *res = NULL;
2508 MonoRemotingMethods *wrps;
2510 mono_marshal_lock ();
2511 if (method->klass->image->remoting_invoke_cache)
2512 wrps = g_hash_table_lookup (method->klass->image->remoting_invoke_cache, method);
2517 switch (wrapper_type) {
2518 case MONO_WRAPPER_REMOTING_INVOKE: res = wrps->invoke; break;
2519 case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK: res = wrps->invoke_with_check; break;
2520 case MONO_WRAPPER_XDOMAIN_INVOKE: res = wrps->xdomain_invoke; break;
2521 case MONO_WRAPPER_XDOMAIN_DISPATCH: res = wrps->xdomain_dispatch; break;
2525 /* it is important to do the unlock after the load from wrps, since in
2526 * mono_remoting_mb_create_and_cache () we drop the marshal lock to be able
2527 * to take the loader lock and some other thread may set the fields.
2529 mono_marshal_unlock ();
2533 /* Create the method from the builder and place it in the cache */
2534 static inline MonoMethod*
2535 mono_remoting_mb_create_and_cache (MonoMethod *key, MonoMethodBuilder *mb,
2536 MonoMethodSignature *sig, int max_stack)
2538 MonoMethod **res = NULL;
2539 MonoRemotingMethods *wrps;
2540 GHashTable *cache = get_cache_full (&key->klass->image->remoting_invoke_cache, mono_aligned_addr_hash, NULL, NULL, g_free);
2542 mono_marshal_lock ();
2543 wrps = g_hash_table_lookup (cache, key);
2545 wrps = g_new0 (MonoRemotingMethods, 1);
2546 g_hash_table_insert (cache, key, wrps);
2549 switch (mb->method->wrapper_type) {
2550 case MONO_WRAPPER_REMOTING_INVOKE: res = &wrps->invoke; break;
2551 case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK: res = &wrps->invoke_with_check; break;
2552 case MONO_WRAPPER_XDOMAIN_INVOKE: res = &wrps->xdomain_invoke; break;
2553 case MONO_WRAPPER_XDOMAIN_DISPATCH: res = &wrps->xdomain_dispatch; break;
2554 default: g_assert_not_reached (); break;
2556 mono_marshal_unlock ();
2560 newm = mono_mb_create_method (mb, sig, max_stack);
2562 mono_marshal_lock ();
2565 mono_marshal_set_wrapper_info (*res, key);
2566 mono_marshal_unlock ();
2568 mono_marshal_unlock ();
2569 mono_free_method (newm);
2577 mono_marshal_method_from_wrapper (MonoMethod *wrapper)
2580 int wrapper_type = wrapper->wrapper_type;
2583 if (wrapper_type == MONO_WRAPPER_NONE || wrapper_type == MONO_WRAPPER_DYNAMIC_METHOD)
2586 switch (wrapper_type) {
2587 case MONO_WRAPPER_REMOTING_INVOKE:
2588 case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK:
2589 case MONO_WRAPPER_XDOMAIN_INVOKE:
2590 case MONO_WRAPPER_SYNCHRONIZED:
2591 case MONO_WRAPPER_UNBOX:
2592 res = mono_marshal_get_wrapper_info (wrapper);
2595 if (wrapper->is_inflated)
2597 * A method cannot be inflated and a wrapper at the same time, so the wrapper info
2598 * contains an uninflated method.
2600 return mono_class_inflate_generic_method (res, mono_method_get_context (wrapper));
2603 case MONO_WRAPPER_MANAGED_TO_NATIVE:
2604 info = mono_marshal_get_wrapper_info (wrapper);
2605 if (info && (info->subtype == WRAPPER_SUBTYPE_NONE || info->subtype == WRAPPER_SUBTYPE_NATIVE_FUNC_AOT))
2606 return info->d.managed_to_native.method;
2609 case MONO_WRAPPER_RUNTIME_INVOKE:
2610 info = mono_marshal_get_wrapper_info (wrapper);
2611 if (info && (info->subtype == WRAPPER_SUBTYPE_RUNTIME_INVOKE_DIRECT || info->subtype == WRAPPER_SUBTYPE_RUNTIME_INVOKE_VIRTUAL))
2612 return info->d.runtime_invoke.method;
2621 * mono_marshal_get_wrapper_info:
2623 * Retrieve the pointer stored by mono_marshal_set_wrapper_info. The type of data
2624 * returned depends on the wrapper type. It is usually a method, a class, or a
2625 * WrapperInfo structure.
2628 mono_marshal_get_wrapper_info (MonoMethod *wrapper)
2630 g_assert (wrapper->wrapper_type);
2632 return mono_method_get_wrapper_data (wrapper, 1);
2636 * mono_marshal_set_wrapper_info:
2638 * Store an arbitrary pointer inside the wrapper which is retrievable by
2639 * mono_marshal_get_wrapper_info. The format of the data depends on the type of the
2640 * wrapper (method->wrapper_type).
2643 mono_marshal_set_wrapper_info (MonoMethod *method, gpointer data)
2647 if (method->wrapper_type == MONO_WRAPPER_NONE || method->wrapper_type == MONO_WRAPPER_DYNAMIC_METHOD)
2650 datav = ((MonoMethodWrapper *)method)->method_data;
2655 mono_wrapper_info_create (MonoMethod *wrapper, WrapperSubtype subtype)
2659 info = mono_image_alloc0 (wrapper->klass->image, sizeof (WrapperInfo));
2660 info->subtype = subtype;
2665 * get_wrapper_target_class:
2667 * Return the class where a wrapper method should be placed.
2670 get_wrapper_target_class (MonoImage *image)
2676 * - can't put all wrappers into an mscorlib class, because they reference
2677 * metadata (signature) so they should be put into the same image as the
2678 * method they wrap, so they are unloaded together.
2679 * - putting them into a class with a type initalizer could cause the
2680 * initializer to be executed which can be a problem if the wrappers are
2682 * - putting them into an inflated class can cause problems if the the
2683 * class is deleted because it references an image which is unloaded.
2684 * To avoid these problems, we put the wrappers into the <Module> class of
2688 klass = ((MonoDynamicImage*)image)->wrappers_type;
2690 klass = mono_class_get (image, mono_metadata_make_token (MONO_TABLE_TYPEDEF, 1));
2697 * Wrappers for generic methods should be instances of generic wrapper methods, i.e .the wrapper for Sort<int> should be
2698 * an instance of the wrapper for Sort<T>. This is required for full-aot to work.
2702 * check_generic_wrapper_cache:
2704 * Check CACHE for the wrapper of the generic instance ORIG_METHOD, and return it if it is found.
2705 * KEY should be the key for ORIG_METHOD in the cache, while DEF_KEY should be the key of its
2706 * generic method definition.
2709 check_generic_wrapper_cache (GHashTable *cache, MonoMethod *orig_method, gpointer key, gpointer def_key)
2712 MonoMethod *inst, *def;
2713 MonoGenericContext *ctx;
2714 MonoMethod *def_method;
2716 g_assert (orig_method->is_inflated);
2717 def_method = ((MonoMethodInflated*)orig_method)->declaring;
2718 ctx = mono_method_get_context (orig_method);
2721 * Look for the instance
2723 res = mono_marshal_find_in_cache (cache, key);
2728 * Look for the definition
2730 def = mono_marshal_find_in_cache (cache, def_key);
2732 inst = mono_class_inflate_generic_method (def, ctx);
2734 mono_memory_barrier ();
2735 mono_marshal_lock ();
2736 res = g_hash_table_lookup (cache, key);
2738 g_hash_table_insert (cache, key, inst);
2741 mono_marshal_unlock ();
2748 cache_generic_wrapper (GHashTable *cache, MonoMethod *orig_method, MonoMethod *def, MonoGenericContext *ctx, gpointer key)
2750 MonoMethod *inst, *res;
2753 * We use the same cache for the generic definition and the instances.
2755 inst = mono_class_inflate_generic_method (def, ctx);
2756 mono_memory_barrier ();
2757 mono_marshal_lock ();
2758 res = g_hash_table_lookup (cache, key);
2760 g_hash_table_insert (cache, key, inst);
2763 mono_marshal_unlock ();
2768 check_generic_delegate_wrapper_cache (GHashTable *cache, MonoMethod *orig_method, MonoMethod *def_method, MonoGenericContext *ctx)
2771 MonoMethod *inst, *def;
2774 * Look for the instance
2776 res = mono_marshal_find_in_cache (cache, orig_method->klass);
2781 * Look for the definition
2783 def = mono_marshal_find_in_cache (cache, def_method->klass);
2785 inst = mono_class_inflate_generic_method (def, ctx);
2787 mono_memory_barrier ();
2788 mono_marshal_lock ();
2789 res = g_hash_table_lookup (cache, orig_method->klass);
2791 g_hash_table_insert (cache, orig_method->klass, inst);
2794 mono_marshal_unlock ();
2801 cache_generic_delegate_wrapper (GHashTable *cache, MonoMethod *orig_method, MonoMethod *def, MonoGenericContext *ctx)
2803 MonoMethod *inst, *res;
2806 * We use the same cache for the generic definition and the instances.
2808 inst = mono_class_inflate_generic_method (def, ctx);
2809 mono_memory_barrier ();
2810 mono_marshal_lock ();
2811 res = g_hash_table_lookup (cache, orig_method->klass);
2813 g_hash_table_insert (cache, orig_method->klass, inst);
2816 mono_marshal_unlock ();
2821 mono_marshal_get_delegate_begin_invoke (MonoMethod *method)
2823 MonoMethodSignature *sig;
2824 MonoMethodBuilder *mb;
2829 MonoGenericContext *ctx = NULL;
2830 MonoMethod *orig_method = NULL;
2832 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
2833 !strcmp (method->name, "BeginInvoke"));
2836 * For generic delegates, create a generic wrapper, and returns an instance to help AOT.
2838 if (method->is_inflated) {
2839 orig_method = method;
2840 ctx = &((MonoMethodInflated*)method)->context;
2841 method = ((MonoMethodInflated*)method)->declaring;
2844 sig = mono_signature_no_pinvoke (method);
2850 cache = get_cache (&method->klass->image->delegate_begin_invoke_generic_cache, mono_aligned_addr_hash, NULL);
2851 res = check_generic_delegate_wrapper_cache (cache, orig_method, method, ctx);
2855 cache = get_cache (&method->klass->image->delegate_begin_invoke_cache,
2856 (GHashFunc)mono_signature_hash,
2857 (GCompareFunc)mono_metadata_signature_equal);
2858 if ((res = mono_marshal_find_in_cache (cache, sig)))
2862 g_assert (sig->hasthis);
2864 name = mono_signature_to_name (sig, "begin_invoke");
2866 mb = mono_mb_new (method->klass, name, MONO_WRAPPER_DELEGATE_BEGIN_INVOKE);
2868 mb = mono_mb_new (get_wrapper_target_class (method->klass->image), name, MONO_WRAPPER_DELEGATE_BEGIN_INVOKE);
2872 params_var = mono_mb_emit_save_args (mb, sig, FALSE);
2874 mono_mb_emit_ldarg (mb, 0);
2875 mono_mb_emit_ldloc (mb, params_var);
2876 mono_mb_emit_icall (mb, mono_delegate_begin_invoke);
2877 mono_mb_emit_byte (mb, CEE_RET);
2882 def = mono_mb_create_and_cache (cache, method->klass, mb, sig, sig->param_count + 16);
2883 res = cache_generic_delegate_wrapper (cache, orig_method, def, ctx);
2885 res = mono_mb_create_and_cache (cache, sig, mb, sig, sig->param_count + 16);
2893 mono_delegate_end_invoke (MonoDelegate *delegate, gpointer *params)
2895 MonoDomain *domain = mono_domain_get ();
2896 MonoAsyncResult *ares;
2897 MonoMethod *method = NULL;
2898 MonoMethodSignature *sig;
2899 MonoMethodMessage *msg;
2900 MonoObject *res, *exc;
2901 MonoArray *out_args;
2904 g_assert (delegate);
2906 if (!delegate->method_info) {
2907 g_assert (delegate->method);
2908 MONO_OBJECT_SETREF (delegate, method_info, mono_method_get_object (domain, delegate->method, NULL));
2911 if (!delegate->method_info || !delegate->method_info->method)
2912 g_assert_not_reached ();
2914 klass = delegate->object.vtable->klass;
2916 method = mono_class_get_method_from_name (klass, "EndInvoke", -1);
2917 g_assert (method != NULL);
2919 sig = mono_signature_no_pinvoke (method);
2921 msg = mono_method_call_message_new (method, params, NULL, NULL, NULL);
2923 ares = mono_array_get (msg->args, gpointer, sig->param_count - 1);
2925 mono_raise_exception (mono_exception_from_name_msg (mono_defaults.corlib, "System.Runtime.Remoting", "RemotingException", "The async result object is null or of an unexpected type."));
2929 if (ares->async_delegate != (MonoObject*)delegate) {
2930 mono_raise_exception (mono_get_exception_invalid_operation (
2931 "The IAsyncResult object provided does not match this delegate."));
2935 #ifndef DISABLE_REMOTING
2936 if (delegate->target && mono_object_is_transparent_proxy (delegate->target)) {
2937 MonoTransparentProxy* tp = (MonoTransparentProxy *)delegate->target;
2938 msg = (MonoMethodMessage *)mono_object_new (domain, mono_defaults.mono_method_message_class);
2939 mono_message_init (domain, msg, delegate->method_info, NULL);
2940 msg->call_type = CallType_EndInvoke;
2941 MONO_OBJECT_SETREF (msg, async_result, ares);
2942 res = mono_remoting_invoke ((MonoObject *)tp->rp, msg, &exc, &out_args);
2946 res = mono_thread_pool_finish (ares, &out_args, &exc);
2950 if (((MonoException*)exc)->stack_trace) {
2951 char *strace = mono_string_to_utf8 (((MonoException*)exc)->stack_trace);
2953 tmp = g_strdup_printf ("%s\nException Rethrown at:\n", strace);
2955 MONO_OBJECT_SETREF (((MonoException*)exc), stack_trace, mono_string_new (domain, tmp));
2958 mono_raise_exception ((MonoException*)exc);
2961 mono_method_return_message_restore (method, params, out_args);
2968 mono_mb_emit_restore_result (MonoMethodBuilder *mb, MonoType *return_type)
2970 MonoType *t = mono_type_get_underlying_type (return_type);
2972 if (return_type->byref)
2973 return_type = &mono_defaults.int_class->byval_arg;
2976 case MONO_TYPE_VOID:
2977 g_assert_not_reached ();
2980 case MONO_TYPE_STRING:
2981 case MONO_TYPE_CLASS:
2982 case MONO_TYPE_OBJECT:
2983 case MONO_TYPE_ARRAY:
2984 case MONO_TYPE_SZARRAY:
2988 case MONO_TYPE_BOOLEAN:
2991 case MONO_TYPE_CHAR:
3001 mono_mb_emit_op (mb, CEE_UNBOX, mono_class_from_mono_type (return_type));
3002 mono_mb_emit_byte (mb, mono_type_to_ldind (return_type));
3004 case MONO_TYPE_GENERICINST:
3005 if (!mono_type_generic_inst_is_valuetype (t))
3008 case MONO_TYPE_VALUETYPE: {
3009 MonoClass *klass = mono_class_from_mono_type (return_type);
3010 mono_mb_emit_op (mb, CEE_UNBOX, klass);
3011 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
3015 case MONO_TYPE_MVAR: {
3016 MonoClass *klass = mono_class_from_mono_type (return_type);
3017 mono_mb_emit_op (mb, CEE_UNBOX_ANY, klass);
3021 g_warning ("type 0x%x not handled", return_type->type);
3022 g_assert_not_reached ();
3025 mono_mb_emit_byte (mb, CEE_RET);
3028 #endif /* DISABLE_JIT */
3031 mono_marshal_get_delegate_end_invoke (MonoMethod *method)
3033 MonoMethodSignature *sig;
3034 MonoMethodBuilder *mb;
3039 MonoGenericContext *ctx = NULL;
3040 MonoMethod *orig_method = NULL;
3042 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
3043 !strcmp (method->name, "EndInvoke"));
3046 * For generic delegates, create a generic wrapper, and returns an instance to help AOT.
3048 if (method->is_inflated) {
3049 orig_method = method;
3050 ctx = &((MonoMethodInflated*)method)->context;
3051 method = ((MonoMethodInflated*)method)->declaring;
3054 sig = mono_signature_no_pinvoke (method);
3060 cache = get_cache (&method->klass->image->delegate_end_invoke_generic_cache, mono_aligned_addr_hash, NULL);
3061 res = check_generic_delegate_wrapper_cache (cache, orig_method, method, ctx);
3065 cache = get_cache (&method->klass->image->delegate_end_invoke_cache,
3066 (GHashFunc)mono_signature_hash,
3067 (GCompareFunc)mono_metadata_signature_equal);
3068 if ((res = mono_marshal_find_in_cache (cache, sig)))
3072 g_assert (sig->hasthis);
3074 name = mono_signature_to_name (sig, "end_invoke");
3076 mb = mono_mb_new (method->klass, name, MONO_WRAPPER_DELEGATE_END_INVOKE);
3078 mb = mono_mb_new (get_wrapper_target_class (method->klass->image), name, MONO_WRAPPER_DELEGATE_END_INVOKE);
3082 params_var = mono_mb_emit_save_args (mb, sig, FALSE);
3084 mono_mb_emit_ldarg (mb, 0);
3085 mono_mb_emit_ldloc (mb, params_var);
3086 mono_mb_emit_icall (mb, mono_delegate_end_invoke);
3088 if (sig->ret->type == MONO_TYPE_VOID) {
3089 mono_mb_emit_byte (mb, CEE_POP);
3090 mono_mb_emit_byte (mb, CEE_RET);
3092 mono_mb_emit_restore_result (mb, sig->ret);
3097 def = mono_mb_create_and_cache (cache, method->klass, mb, sig, sig->param_count + 16);
3098 res = cache_generic_delegate_wrapper (cache, orig_method, def, ctx);
3100 res = mono_mb_create_and_cache (cache, sig,
3101 mb, sig, sig->param_count + 16);
3108 #ifndef DISABLE_REMOTING
3111 mono_remoting_wrapper (MonoMethod *method, gpointer *params)
3113 MonoMethodMessage *msg;
3114 MonoTransparentProxy *this;
3115 MonoObject *res, *exc;
3116 MonoArray *out_args;
3118 this = *((MonoTransparentProxy **)params [0]);
3121 g_assert (((MonoObject *)this)->vtable->klass == mono_defaults.transparent_proxy_class);
3123 /* skip the this pointer */
3126 if (mono_class_is_contextbound (this->remote_class->proxy_class) && this->rp->context == (MonoObject *) mono_context_get ())
3129 MonoMethodSignature *sig = mono_method_signature (method);
3130 int count = sig->param_count;
3131 gpointer* mparams = (gpointer*) alloca(count*sizeof(gpointer));
3133 for (i=0; i<count; i++) {
3134 MonoClass *class = mono_class_from_mono_type (sig->params [i]);
3135 if (class->valuetype) {
3136 if (sig->params [i]->byref) {
3137 mparams[i] = *((gpointer *)params [i]);
3139 /* runtime_invoke expects a boxed instance */
3140 if (mono_class_is_nullable (mono_class_from_mono_type (sig->params [i])))
3141 mparams[i] = mono_nullable_box (params [i], class);
3143 mparams[i] = params [i];
3146 mparams[i] = *((gpointer**)params [i]);
3150 return mono_runtime_invoke (method, method->klass->valuetype? mono_object_unbox ((MonoObject*)this): this, mparams, NULL);
3153 msg = mono_method_call_message_new (method, params, NULL, NULL, NULL);
3155 res = mono_remoting_invoke ((MonoObject *)this->rp, msg, &exc, &out_args);
3158 mono_raise_exception ((MonoException *)exc);
3160 mono_method_return_message_restore (method, params, out_args);
3166 mono_marshal_get_remoting_invoke (MonoMethod *method)
3168 MonoMethodSignature *sig;
3169 MonoMethodBuilder *mb;
3175 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE || method->wrapper_type == MONO_WRAPPER_XDOMAIN_INVOKE)
3178 /* this seems to be the best plase to put this, as all remoting invokes seem to get filtered through here */
3180 if (mono_class_is_com_object (method->klass) || method->klass == mono_class_get_com_object_class ()) {
3181 MonoVTable *vtable = mono_class_vtable (mono_domain_get (), method->klass);
3182 g_assert (vtable); /*FIXME do proper error handling*/
3184 if (!mono_vtable_is_remote (vtable)) {
3185 return mono_cominterop_get_invoke (method);
3190 sig = mono_signature_no_pinvoke (method);
3192 /* we cant remote methods without this pointer */
3196 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_REMOTING_INVOKE)))
3199 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_REMOTING_INVOKE);
3202 mb->method->save_lmf = 1;
3204 params_var = mono_mb_emit_save_args (mb, sig, TRUE);
3206 mono_mb_emit_ptr (mb, method);
3207 mono_mb_emit_ldloc (mb, params_var);
3208 mono_mb_emit_icall (mb, mono_remoting_wrapper);
3209 emit_thread_interrupt_checkpoint (mb);
3211 if (sig->ret->type == MONO_TYPE_VOID) {
3212 mono_mb_emit_byte (mb, CEE_POP);
3213 mono_mb_emit_byte (mb, CEE_RET);
3215 mono_mb_emit_restore_result (mb, sig->ret);
3219 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16);
3225 #endif /* DISABLE_REMOTING */
3228 /* mono_get_xdomain_marshal_type()
3229 * Returns the kind of marshalling that a type needs for cross domain calls.
3231 static MonoXDomainMarshalType
3232 mono_get_xdomain_marshal_type (MonoType *t)
3235 case MONO_TYPE_VOID:
3236 g_assert_not_reached ();
3240 case MONO_TYPE_BOOLEAN:
3243 case MONO_TYPE_CHAR:
3250 return MONO_MARSHAL_NONE;
3251 case MONO_TYPE_STRING:
3252 return MONO_MARSHAL_COPY;
3253 case MONO_TYPE_ARRAY:
3254 case MONO_TYPE_SZARRAY: {
3255 MonoClass *elem_class = mono_class_from_mono_type (t)->element_class;
3256 if (mono_get_xdomain_marshal_type (&(elem_class->byval_arg)) != MONO_MARSHAL_SERIALIZE)
3257 return MONO_MARSHAL_COPY;
3262 return MONO_MARSHAL_SERIALIZE;
3266 /* mono_marshal_xdomain_copy_value
3267 * Makes a copy of "val" suitable for the current domain.
3270 mono_marshal_xdomain_copy_value (MonoObject *val)
3273 if (val == NULL) return NULL;
3275 domain = mono_domain_get ();
3277 switch (mono_object_class (val)->byval_arg.type) {
3278 case MONO_TYPE_VOID:
3279 g_assert_not_reached ();
3283 case MONO_TYPE_BOOLEAN:
3286 case MONO_TYPE_CHAR:
3292 case MONO_TYPE_R8: {
3293 return mono_value_box (domain, mono_object_class (val), ((char*)val) + sizeof(MonoObject));
3295 case MONO_TYPE_STRING: {
3296 MonoString *str = (MonoString *) val;
3297 return (MonoObject *) mono_string_new_utf16 (domain, mono_string_chars (str), mono_string_length (str));
3299 case MONO_TYPE_ARRAY:
3300 case MONO_TYPE_SZARRAY: {
3302 MonoXDomainMarshalType mt = mono_get_xdomain_marshal_type (&(mono_object_class (val)->element_class->byval_arg));
3303 if (mt == MONO_MARSHAL_SERIALIZE) return NULL;
3304 acopy = mono_array_clone_in_domain (domain, (MonoArray *) val);
3305 if (mt == MONO_MARSHAL_COPY) {
3306 int i, len = mono_array_length (acopy);
3307 for (i = 0; i < len; i++) {
3308 MonoObject *item = mono_array_get (acopy, gpointer, i);
3309 mono_array_setref (acopy, i, mono_marshal_xdomain_copy_value (item));
3312 return (MonoObject *) acopy;
3316 if (mono_object_class (val) == mono_defaults.stringbuilder_class) {
3317 MonoStringBuilder *oldsb = (MonoStringBuilder *) val;
3318 MonoStringBuilder *newsb = (MonoStringBuilder *) mono_object_new (domain, mono_defaults.stringbuilder_class);
3319 MONO_OBJECT_SETREF (newsb, str, mono_string_new_utf16 (domain, mono_string_chars (oldsb->str), mono_string_length (oldsb->str)));
3320 newsb->length = oldsb->length;
3321 newsb->max_capacity = (gint32)0x7fffffff;
3322 return (MonoObject *) newsb;
3327 /* mono_marshal_xdomain_copy_out_value()
3328 * Copies the contents of the src instance into the dst instance. src and dst
3329 * must have the same type, and if they are arrays, the same size.
3332 mono_marshal_xdomain_copy_out_value (MonoObject *src, MonoObject *dst)
3334 if (src == NULL || dst == NULL) return;
3336 g_assert (mono_object_class (src) == mono_object_class (dst));
3338 switch (mono_object_class (src)->byval_arg.type) {
3339 case MONO_TYPE_ARRAY:
3340 case MONO_TYPE_SZARRAY: {
3341 int mt = mono_get_xdomain_marshal_type (&(mono_object_class (src)->element_class->byval_arg));
3342 if (mt == MONO_MARSHAL_SERIALIZE) return;
3343 if (mt == MONO_MARSHAL_COPY) {
3344 int i, len = mono_array_length ((MonoArray *)dst);
3345 for (i = 0; i < len; i++) {
3346 MonoObject *item = mono_array_get ((MonoArray *)src, gpointer, i);
3347 mono_array_setref ((MonoArray *)dst, i, mono_marshal_xdomain_copy_value (item));
3350 mono_array_full_copy ((MonoArray *)src, (MonoArray *)dst);
3356 if (mono_object_class (src) == mono_defaults.stringbuilder_class) {
3357 MonoStringBuilder *src_sb = (MonoStringBuilder *) src;
3358 MonoStringBuilder *dst_sb = (MonoStringBuilder *) dst;
3360 MONO_OBJECT_SETREF (dst_sb, str, mono_string_new_utf16 (mono_object_domain (dst), mono_string_chars (src_sb->str), mono_string_length (src_sb->str)));
3361 dst_sb->cached_str = NULL;
3362 dst_sb->length = src_sb->length;
3367 #if !(defined (DISABLE_JIT) || defined (DISABLE_REMOTING))
3370 mono_marshal_emit_xdomain_copy_value (MonoMethodBuilder *mb, MonoClass *pclass)
3372 mono_mb_emit_icall (mb, mono_marshal_xdomain_copy_value);
3373 mono_mb_emit_op (mb, CEE_CASTCLASS, pclass);
3377 mono_marshal_emit_xdomain_copy_out_value (MonoMethodBuilder *mb, MonoClass *pclass)
3379 mono_mb_emit_icall (mb, mono_marshal_xdomain_copy_out_value);
3383 #ifndef DISABLE_REMOTING
3384 /* mono_marshal_supports_fast_xdomain()
3385 * Returns TRUE if the method can use the fast xdomain wrapper.
3388 mono_marshal_supports_fast_xdomain (MonoMethod *method)
3390 return !mono_class_is_contextbound (method->klass) &&
3391 !((method->flags & METHOD_ATTRIBUTE_SPECIAL_NAME) && (strcmp (".ctor", method->name) == 0));
3396 mono_marshal_set_domain_by_id (gint32 id, MonoBoolean push)
3398 MonoDomain *current_domain = mono_domain_get ();
3399 MonoDomain *domain = mono_domain_get_by_id (id);
3401 if (!domain || !mono_domain_set (domain, FALSE))
3402 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
3405 mono_thread_push_appdomain_ref (domain);
3407 mono_thread_pop_appdomain_ref ();
3409 return current_domain->domain_id;
3412 #if !(defined (DISABLE_JIT) || defined (DISABLE_REMOTING))
3414 mono_marshal_emit_switch_domain (MonoMethodBuilder *mb)
3416 mono_mb_emit_icall (mb, mono_marshal_set_domain_by_id);
3419 /* mono_marshal_emit_load_domain_method ()
3420 * Loads into the stack a pointer to the code of the provided method for
3421 * the current domain.
3424 mono_marshal_emit_load_domain_method (MonoMethodBuilder *mb, MonoMethod *method)
3426 /* We need a pointer to the method for the running domain (not the domain
3427 * that compiles the method).
3429 mono_mb_emit_ptr (mb, method);
3430 mono_mb_emit_icall (mb, mono_compile_method);
3434 /* mono_marshal_check_domain_image ()
3435 * Returns TRUE if the image is loaded in the specified
3436 * application domain.
3439 mono_marshal_check_domain_image (gint32 domain_id, MonoImage *image)
3444 MonoDomain *domain = mono_domain_get_by_id (domain_id);
3448 mono_domain_assemblies_lock (domain);
3449 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
3451 if (ass->image == image)
3454 mono_domain_assemblies_unlock (domain);
3459 #ifndef DISABLE_REMOTING
3461 /* mono_marshal_get_xappdomain_dispatch ()
3462 * Generates a method that dispatches a method call from another domain into
3463 * the current domain.
3466 mono_marshal_get_xappdomain_dispatch (MonoMethod *method, int *marshal_types, int complex_count, int complex_out_count, int ret_marshal_type)
3468 MonoMethodSignature *sig, *csig;
3469 MonoMethodBuilder *mb;
3471 int i, j, param_index, copy_locals_base;
3472 MonoClass *ret_class = NULL;
3473 int loc_array=0, loc_return=0, loc_serialized_exc=0;
3474 MonoExceptionClause *main_clause;
3476 gboolean copy_return;
3478 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_XDOMAIN_DISPATCH)))
3481 sig = mono_method_signature (method);
3482 copy_return = (sig->ret->type != MONO_TYPE_VOID && ret_marshal_type != MONO_MARSHAL_SERIALIZE);
3485 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3 + sig->param_count - complex_count);
3486 csig->params [j++] = &mono_defaults.object_class->byval_arg;
3487 csig->params [j++] = &byte_array_class->this_arg;
3488 csig->params [j++] = &byte_array_class->this_arg;
3489 for (i = 0; i < sig->param_count; i++) {
3490 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE)
3491 csig->params [j++] = sig->params [i];
3494 csig->ret = sig->ret;
3496 csig->ret = &mono_defaults.void_class->byval_arg;
3498 csig->hasthis = FALSE;
3500 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_XDOMAIN_DISPATCH);
3501 mb->method->save_lmf = 1;
3506 loc_serialized_exc = mono_mb_add_local (mb, &byte_array_class->byval_arg);
3507 if (complex_count > 0)
3508 loc_array = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3509 if (sig->ret->type != MONO_TYPE_VOID) {
3510 loc_return = mono_mb_add_local (mb, sig->ret);
3511 ret_class = mono_class_from_mono_type (sig->ret);
3516 main_clause = mono_image_alloc0 (method->klass->image, sizeof (MonoExceptionClause));
3517 main_clause->try_offset = mono_mb_get_label (mb);
3519 /* Clean the call context */
3521 mono_mb_emit_byte (mb, CEE_LDNULL);
3522 mono_mb_emit_managed_call (mb, method_set_call_context, NULL);
3523 mono_mb_emit_byte (mb, CEE_POP);
3525 /* Deserialize call data */
3527 mono_mb_emit_ldarg (mb, 1);
3528 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3529 mono_mb_emit_byte (mb, CEE_DUP);
3530 pos = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
3532 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
3533 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
3535 if (complex_count > 0)
3536 mono_mb_emit_stloc (mb, loc_array);
3538 mono_mb_emit_byte (mb, CEE_POP);
3540 mono_mb_patch_short_branch (mb, pos);
3542 /* Get the target object */
3544 mono_mb_emit_ldarg (mb, 0);
3545 mono_mb_emit_managed_call (mb, method_rs_appdomain_target, NULL);
3547 /* Load the arguments */
3549 copy_locals_base = mb->locals;
3550 param_index = 3; // Index of the first non-serialized parameter of this wrapper
3552 for (i = 0; i < sig->param_count; i++) {
3553 MonoType *pt = sig->params [i];
3554 MonoClass *pclass = mono_class_from_mono_type (pt);
3555 switch (marshal_types [i]) {
3556 case MONO_MARSHAL_SERIALIZE: {
3557 /* take the value from the serialized array */
3558 mono_mb_emit_ldloc (mb, loc_array);
3559 mono_mb_emit_icon (mb, j++);
3561 if (pclass->valuetype) {
3562 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3563 mono_mb_emit_op (mb, CEE_UNBOX, pclass);
3565 mono_mb_emit_op (mb, CEE_LDELEMA, pclass);
3568 if (pclass->valuetype) {
3569 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3570 mono_mb_emit_op (mb, CEE_UNBOX, pclass);
3571 mono_mb_emit_op (mb, CEE_LDOBJ, pclass);
3573 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3574 if (pclass != mono_defaults.object_class) {
3575 mono_mb_emit_op (mb, CEE_CASTCLASS, pclass);
3581 case MONO_MARSHAL_COPY_OUT: {
3582 /* Keep a local copy of the value since we need to copy it back after the call */
3583 int copy_local = mono_mb_add_local (mb, &(pclass->byval_arg));
3584 mono_mb_emit_ldarg (mb, param_index++);
3585 mono_marshal_emit_xdomain_copy_value (mb, pclass);
3586 mono_mb_emit_byte (mb, CEE_DUP);
3587 mono_mb_emit_stloc (mb, copy_local);
3590 case MONO_MARSHAL_COPY: {
3591 mono_mb_emit_ldarg (mb, param_index);
3593 mono_mb_emit_byte (mb, CEE_DUP);
3594 mono_mb_emit_byte (mb, CEE_DUP);
3595 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3596 mono_marshal_emit_xdomain_copy_value (mb, pclass);
3597 mono_mb_emit_byte (mb, CEE_STIND_REF);
3599 mono_marshal_emit_xdomain_copy_value (mb, pclass);
3604 case MONO_MARSHAL_NONE:
3605 mono_mb_emit_ldarg (mb, param_index++);
3610 /* Make the call to the real object */
3612 emit_thread_force_interrupt_checkpoint (mb);
3614 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
3616 if (sig->ret->type != MONO_TYPE_VOID)
3617 mono_mb_emit_stloc (mb, loc_return);
3619 /* copy back MONO_MARSHAL_COPY_OUT parameters */
3623 for (i = 0; i < sig->param_count; i++) {
3624 if (marshal_types [i] == MONO_MARSHAL_SERIALIZE) continue;
3625 if (marshal_types [i] == MONO_MARSHAL_COPY_OUT) {
3626 mono_mb_emit_ldloc (mb, copy_locals_base + (j++));
3627 mono_mb_emit_ldarg (mb, param_index);
3628 mono_marshal_emit_xdomain_copy_out_value (mb, mono_class_from_mono_type (sig->params [i]));
3633 /* Serialize the return values */
3635 if (complex_out_count > 0) {
3636 /* Reset parameters in the array that don't need to be serialized back */
3638 for (i = 0; i < sig->param_count; i++) {
3639 if (marshal_types[i] != MONO_MARSHAL_SERIALIZE) continue;
3640 if (!sig->params [i]->byref) {
3641 mono_mb_emit_ldloc (mb, loc_array);
3642 mono_mb_emit_icon (mb, j);
3643 mono_mb_emit_byte (mb, CEE_LDNULL);
3644 mono_mb_emit_byte (mb, CEE_STELEM_REF);
3649 /* Add the return value to the array */
3651 if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
3652 mono_mb_emit_ldloc (mb, loc_array);
3653 mono_mb_emit_icon (mb, complex_count); /* The array has an additional slot to hold the ret value */
3654 mono_mb_emit_ldloc (mb, loc_return);
3656 g_assert (ret_class); /*FIXME properly fail here*/
3657 if (ret_class->valuetype) {
3658 mono_mb_emit_op (mb, CEE_BOX, ret_class);
3660 mono_mb_emit_byte (mb, CEE_STELEM_REF);
3665 mono_mb_emit_ldarg (mb, 1);
3666 mono_mb_emit_ldloc (mb, loc_array);
3667 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3668 mono_mb_emit_byte (mb, CEE_STIND_REF);
3669 } else if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
3670 mono_mb_emit_ldarg (mb, 1);
3671 mono_mb_emit_ldloc (mb, loc_return);
3672 if (ret_class->valuetype) {
3673 mono_mb_emit_op (mb, CEE_BOX, ret_class);
3675 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3676 mono_mb_emit_byte (mb, CEE_STIND_REF);
3678 mono_mb_emit_ldarg (mb, 1);
3679 mono_mb_emit_byte (mb, CEE_LDNULL);
3680 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3681 mono_mb_emit_byte (mb, CEE_STIND_REF);
3684 mono_mb_emit_ldarg (mb, 2);
3685 mono_mb_emit_byte (mb, CEE_LDNULL);
3686 mono_mb_emit_byte (mb, CEE_STIND_REF);
3687 pos_leave = mono_mb_emit_branch (mb, CEE_LEAVE);
3689 /* Main exception catch */
3690 main_clause->flags = MONO_EXCEPTION_CLAUSE_NONE;
3691 main_clause->try_len = mono_mb_get_pos (mb) - main_clause->try_offset;
3692 main_clause->data.catch_class = mono_defaults.object_class;
3695 main_clause->handler_offset = mono_mb_get_label (mb);
3696 mono_mb_emit_managed_call (mb, method_rs_serialize_exc, NULL);
3697 mono_mb_emit_stloc (mb, loc_serialized_exc);
3698 mono_mb_emit_ldarg (mb, 2);
3699 mono_mb_emit_ldloc (mb, loc_serialized_exc);
3700 mono_mb_emit_byte (mb, CEE_STIND_REF);
3701 mono_mb_emit_branch (mb, CEE_LEAVE);
3702 main_clause->handler_len = mono_mb_get_pos (mb) - main_clause->handler_offset;
3705 mono_mb_patch_branch (mb, pos_leave);
3708 mono_mb_emit_ldloc (mb, loc_return);
3710 mono_mb_emit_byte (mb, CEE_RET);
3712 mono_mb_set_clauses (mb, 1, main_clause);
3715 res = mono_remoting_mb_create_and_cache (method, mb, csig, csig->param_count + 16);
3721 /* mono_marshal_get_xappdomain_invoke ()
3722 * Generates a fast remoting wrapper for cross app domain calls.
3725 mono_marshal_get_xappdomain_invoke (MonoMethod *method)
3727 MonoMethodSignature *sig;
3728 MonoMethodBuilder *mb;
3730 int i, j, complex_count, complex_out_count, copy_locals_base;
3732 MonoClass *ret_class = NULL;
3733 MonoMethod *xdomain_method;
3734 int ret_marshal_type = MONO_MARSHAL_NONE;
3735 int loc_array=0, loc_serialized_data=-1, loc_real_proxy;
3736 int loc_old_domainid, loc_domainid, loc_return=0, loc_serialized_exc=0, loc_context;
3737 int pos, pos_dispatch, pos_noex;
3738 gboolean copy_return = FALSE;
3742 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE || method->wrapper_type == MONO_WRAPPER_XDOMAIN_INVOKE)
3745 /* we cant remote methods without this pointer */
3746 if (!mono_method_signature (method)->hasthis)
3749 if (!mono_marshal_supports_fast_xdomain (method))
3750 return mono_marshal_get_remoting_invoke (method);
3752 mono_remoting_marshal_init ();
3754 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_XDOMAIN_INVOKE)))
3757 sig = mono_signature_no_pinvoke (method);
3759 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_XDOMAIN_INVOKE);
3760 mb->method->save_lmf = 1;
3762 /* Count the number of parameters that need to be serialized */
3764 marshal_types = alloca (sizeof (int) * sig->param_count);
3765 complex_count = complex_out_count = 0;
3766 for (i = 0; i < sig->param_count; i++) {
3767 MonoType *ptype = sig->params[i];
3768 int mt = mono_get_xdomain_marshal_type (ptype);
3770 /* If the [Out] attribute is applied to a parameter that can be internally copied,
3771 * the copy will be made by reusing the original object instance
3773 if ((ptype->attrs & PARAM_ATTRIBUTE_OUT) != 0 && mt == MONO_MARSHAL_COPY && !ptype->byref)
3774 mt = MONO_MARSHAL_COPY_OUT;
3775 else if (mt == MONO_MARSHAL_SERIALIZE) {
3777 if (ptype->byref) complex_out_count++;
3779 marshal_types [i] = mt;
3782 if (sig->ret->type != MONO_TYPE_VOID) {
3783 ret_marshal_type = mono_get_xdomain_marshal_type (sig->ret);
3784 ret_class = mono_class_from_mono_type (sig->ret);
3785 copy_return = ret_marshal_type != MONO_MARSHAL_SERIALIZE;
3791 if (complex_count > 0)
3792 loc_array = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3793 loc_serialized_data = mono_mb_add_local (mb, &byte_array_class->byval_arg);
3794 loc_real_proxy = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3796 loc_return = mono_mb_add_local (mb, sig->ret);
3797 loc_old_domainid = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
3798 loc_domainid = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
3799 loc_serialized_exc = mono_mb_add_local (mb, &byte_array_class->byval_arg);
3800 loc_context = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3802 /* Save thread domain data */
3804 mono_mb_emit_icall (mb, mono_context_get);
3805 mono_mb_emit_byte (mb, CEE_DUP);
3806 mono_mb_emit_stloc (mb, loc_context);
3808 /* If the thread is not running in the default context, it needs to go
3809 * through the whole remoting sink, since the context is going to change
3811 mono_mb_emit_managed_call (mb, method_needs_context_sink, NULL);
3812 pos = mono_mb_emit_short_branch (mb, CEE_BRTRUE_S);
3814 /* Another case in which the fast path can't be used: when the target domain
3815 * has a different image for the same assembly.
3818 /* Get the target domain id */
3820 mono_mb_emit_ldarg (mb, 0);
3821 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
3822 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3823 mono_mb_emit_byte (mb, CEE_DUP);
3824 mono_mb_emit_stloc (mb, loc_real_proxy);
3826 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoRealProxy, target_domain_id));
3827 mono_mb_emit_byte (mb, CEE_LDIND_I4);
3828 mono_mb_emit_stloc (mb, loc_domainid);
3830 /* Check if the target domain has the same image for the required assembly */
3832 mono_mb_emit_ldloc (mb, loc_domainid);
3833 mono_mb_emit_ptr (mb, method->klass->image);
3834 mono_mb_emit_icall (mb, mono_marshal_check_domain_image);
3835 pos_dispatch = mono_mb_emit_short_branch (mb, CEE_BRTRUE_S);
3837 /* Use the whole remoting sink to dispatch this message */
3839 mono_mb_patch_short_branch (mb, pos);
3841 mono_mb_emit_ldarg (mb, 0);
3842 for (i = 0; i < sig->param_count; i++)
3843 mono_mb_emit_ldarg (mb, i + 1);
3845 mono_mb_emit_managed_call (mb, mono_marshal_get_remoting_invoke (method), NULL);
3846 mono_mb_emit_byte (mb, CEE_RET);
3847 mono_mb_patch_short_branch (mb, pos_dispatch);
3849 /* Create the array that will hold the parameters to be serialized */
3851 if (complex_count > 0) {
3852 mono_mb_emit_icon (mb, (ret_marshal_type == MONO_MARSHAL_SERIALIZE && complex_out_count > 0) ? complex_count + 1 : complex_count); /* +1 for the return type */
3853 mono_mb_emit_op (mb, CEE_NEWARR, mono_defaults.object_class);
3856 for (i = 0; i < sig->param_count; i++) {
3858 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE) continue;
3859 pclass = mono_class_from_mono_type (sig->params[i]);
3860 mono_mb_emit_byte (mb, CEE_DUP);
3861 mono_mb_emit_icon (mb, j);
3862 mono_mb_emit_ldarg (mb, i + 1); /* 0=this */
3863 if (sig->params[i]->byref) {
3864 if (pclass->valuetype)
3865 mono_mb_emit_op (mb, CEE_LDOBJ, pclass);
3867 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3869 if (pclass->valuetype)
3870 mono_mb_emit_op (mb, CEE_BOX, pclass);
3871 mono_mb_emit_byte (mb, CEE_STELEM_REF);
3874 mono_mb_emit_stloc (mb, loc_array);
3876 /* Serialize parameters */
3878 mono_mb_emit_ldloc (mb, loc_array);
3879 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3880 mono_mb_emit_stloc (mb, loc_serialized_data);
3882 mono_mb_emit_byte (mb, CEE_LDNULL);
3883 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3884 mono_mb_emit_stloc (mb, loc_serialized_data);
3889 mono_mb_emit_ldloc (mb, loc_domainid);
3890 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
3891 mono_marshal_emit_switch_domain (mb);
3892 mono_mb_emit_stloc (mb, loc_old_domainid);
3894 /* Load the arguments */
3896 mono_mb_emit_ldloc (mb, loc_real_proxy);
3897 mono_mb_emit_ldloc_addr (mb, loc_serialized_data);
3898 mono_mb_emit_ldloc_addr (mb, loc_serialized_exc);
3900 copy_locals_base = mb->locals;
3901 for (i = 0; i < sig->param_count; i++) {
3902 switch (marshal_types [i]) {
3903 case MONO_MARSHAL_SERIALIZE:
3905 case MONO_MARSHAL_COPY: {
3906 mono_mb_emit_ldarg (mb, i+1);
3907 if (sig->params [i]->byref) {
3908 /* make a local copy of the byref parameter. The real parameter
3909 * will be updated after the xdomain call
3911 MonoClass *pclass = mono_class_from_mono_type (sig->params [i]);
3912 int copy_local = mono_mb_add_local (mb, &(pclass->byval_arg));
3913 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3914 mono_mb_emit_stloc (mb, copy_local);
3915 mono_mb_emit_ldloc_addr (mb, copy_local);
3919 case MONO_MARSHAL_COPY_OUT:
3920 case MONO_MARSHAL_NONE:
3921 mono_mb_emit_ldarg (mb, i+1);
3926 /* Make the call to the invoke wrapper in the target domain */
3928 xdomain_method = mono_marshal_get_xappdomain_dispatch (method, marshal_types, complex_count, complex_out_count, ret_marshal_type);
3929 mono_marshal_emit_load_domain_method (mb, xdomain_method);
3930 mono_mb_emit_calli (mb, mono_method_signature (xdomain_method));
3933 mono_mb_emit_stloc (mb, loc_return);
3937 mono_mb_emit_ldloc (mb, loc_old_domainid);
3938 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
3939 mono_marshal_emit_switch_domain (mb);
3940 mono_mb_emit_byte (mb, CEE_POP);
3942 /* Restore thread domain data */
3944 mono_mb_emit_ldloc (mb, loc_context);
3945 mono_mb_emit_icall (mb, mono_context_set);
3947 /* if (loc_serialized_exc != null) ... */
3949 mono_mb_emit_ldloc (mb, loc_serialized_exc);
3950 pos_noex = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
3952 mono_mb_emit_ldloc (mb, loc_serialized_exc);
3953 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
3954 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
3955 mono_mb_emit_op (mb, CEE_CASTCLASS, mono_defaults.exception_class);
3956 mono_mb_emit_managed_call (mb, method_exc_fixexc, NULL);
3957 mono_mb_emit_byte (mb, CEE_THROW);
3958 mono_mb_patch_short_branch (mb, pos_noex);
3960 /* copy back non-serialized output parameters */
3963 for (i = 0; i < sig->param_count; i++) {
3964 if (!sig->params [i]->byref || marshal_types [i] != MONO_MARSHAL_COPY) continue;
3965 mono_mb_emit_ldarg (mb, i + 1);
3966 mono_mb_emit_ldloc (mb, copy_locals_base + (j++));
3967 mono_marshal_emit_xdomain_copy_value (mb, mono_class_from_mono_type (sig->params [i]));
3968 mono_mb_emit_byte (mb, CEE_STIND_REF);
3971 /* Deserialize out parameters */
3973 if (complex_out_count > 0) {
3974 mono_mb_emit_ldloc (mb, loc_serialized_data);
3975 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
3976 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
3977 mono_mb_emit_stloc (mb, loc_array);
3979 /* Copy back output parameters and return type */
3982 for (i = 0; i < sig->param_count; i++) {
3983 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE) continue;
3984 if (sig->params[i]->byref) {
3985 MonoClass *pclass = mono_class_from_mono_type (sig->params [i]);
3986 mono_mb_emit_ldarg (mb, i + 1);
3987 mono_mb_emit_ldloc (mb, loc_array);
3988 mono_mb_emit_icon (mb, j);
3989 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3990 if (pclass->valuetype) {
3991 mono_mb_emit_op (mb, CEE_UNBOX, pclass);
3992 mono_mb_emit_op (mb, CEE_LDOBJ, pclass);
3993 mono_mb_emit_op (mb, CEE_STOBJ, pclass);
3995 if (pclass != mono_defaults.object_class)
3996 mono_mb_emit_op (mb, CEE_CASTCLASS, pclass);
3997 mono_mb_emit_byte (mb, CEE_STIND_REF);
4003 if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
4004 mono_mb_emit_ldloc (mb, loc_array);
4005 mono_mb_emit_icon (mb, complex_count);
4006 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
4007 if (ret_class->valuetype) {
4008 mono_mb_emit_op (mb, CEE_UNBOX, ret_class);
4009 mono_mb_emit_op (mb, CEE_LDOBJ, ret_class);
4012 } else if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
4013 mono_mb_emit_ldloc (mb, loc_serialized_data);
4014 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
4015 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
4016 if (ret_class->valuetype) {
4017 mono_mb_emit_op (mb, CEE_UNBOX, ret_class);
4018 mono_mb_emit_op (mb, CEE_LDOBJ, ret_class);
4019 } else if (ret_class != mono_defaults.object_class) {
4020 mono_mb_emit_op (mb, CEE_CASTCLASS, ret_class);
4023 mono_mb_emit_ldloc (mb, loc_serialized_data);
4024 mono_mb_emit_byte (mb, CEE_DUP);
4025 pos = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
4026 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
4028 mono_mb_patch_short_branch (mb, pos);
4029 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
4030 mono_mb_emit_byte (mb, CEE_POP);
4034 mono_mb_emit_ldloc (mb, loc_return);
4035 if (ret_marshal_type == MONO_MARSHAL_COPY)
4036 mono_marshal_emit_xdomain_copy_value (mb, ret_class);
4039 mono_mb_emit_byte (mb, CEE_RET);
4040 #endif /* DISABLE_JIT */
4042 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16);
4049 mono_marshal_get_remoting_invoke_for_target (MonoMethod *method, MonoRemotingTarget target_type)
4051 if (target_type == MONO_REMOTING_TARGET_APPDOMAIN) {
4052 return mono_marshal_get_xappdomain_invoke (method);
4053 } else if (target_type == MONO_REMOTING_TARGET_COMINTEROP) {
4055 return mono_cominterop_get_invoke (method);
4057 g_assert_not_reached ();
4060 return mono_marshal_get_remoting_invoke (method);
4066 G_GNUC_UNUSED static gpointer
4067 mono_marshal_load_remoting_wrapper (MonoRealProxy *rp, MonoMethod *method)
4069 if (rp->target_domain_id != -1)
4070 return mono_compile_method (mono_marshal_get_xappdomain_invoke (method));
4072 return mono_compile_method (mono_marshal_get_remoting_invoke (method));
4076 mono_marshal_get_remoting_invoke_with_check (MonoMethod *method)
4078 MonoMethodSignature *sig;
4079 MonoMethodBuilder *mb;
4080 MonoMethod *res, *native;
4081 int i, pos, pos_rem;
4085 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK)
4088 /* we cant remote methods without this pointer */
4089 g_assert (mono_method_signature (method)->hasthis);
4091 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK)))
4094 sig = mono_signature_no_pinvoke (method);
4096 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK);
4099 for (i = 0; i <= sig->param_count; i++)
4100 mono_mb_emit_ldarg (mb, i);
4102 mono_mb_emit_ldarg (mb, 0);
4103 pos = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
4105 if (mono_marshal_supports_fast_xdomain (method)) {
4106 mono_mb_emit_ldarg (mb, 0);
4107 pos_rem = mono_mb_emit_xdomain_check (mb, CEE_BEQ);
4109 /* wrapper for cross app domain calls */
4110 native = mono_marshal_get_xappdomain_invoke (method);
4111 mono_mb_emit_managed_call (mb, native, mono_method_signature (native));
4112 mono_mb_emit_byte (mb, CEE_RET);
4114 mono_mb_patch_branch (mb, pos_rem);
4116 /* wrapper for normal remote calls */
4117 native = mono_marshal_get_remoting_invoke (method);
4118 mono_mb_emit_managed_call (mb, native, mono_method_signature (native));
4119 mono_mb_emit_byte (mb, CEE_RET);
4122 mono_mb_patch_branch (mb, pos);
4123 mono_mb_emit_managed_call (mb, method, mono_method_signature (method));
4124 mono_mb_emit_byte (mb, CEE_RET);
4127 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16);
4133 #endif /* DISABLE_REMOTING */
4137 MonoMethodSignature *sig;
4139 } SignatureMethodPair;
4142 signature_method_pair_hash (gconstpointer data)
4144 SignatureMethodPair *pair = (SignatureMethodPair*)data;
4146 return mono_signature_hash (pair->sig) ^ mono_aligned_addr_hash (pair->method);
4150 signature_method_pair_equal (SignatureMethodPair *pair1, SignatureMethodPair *pair2)
4152 return mono_metadata_signature_equal (pair1->sig, pair2->sig) && (pair1->method == pair2->method);
4156 signature_method_pair_matches_method (gpointer key, gpointer value, gpointer user_data)
4158 SignatureMethodPair *pair = (SignatureMethodPair*)key;
4159 MonoMethod *method = (MonoMethod*)user_data;
4161 return pair->method == method;
4165 free_signature_method_pair (SignatureMethodPair *pair)
4171 * the returned method invokes all methods in a multicast delegate.
4174 mono_marshal_get_delegate_invoke (MonoMethod *method, MonoDelegate *del)
4176 MonoMethodSignature *sig, *static_sig, *invoke_sig;
4178 MonoMethodBuilder *mb;
4179 MonoMethod *res, *newm;
4181 SignatureMethodPair key;
4182 SignatureMethodPair *new_key;
4183 int local_prev, local_target;
4186 MonoMethod *target_method = NULL;
4187 MonoClass *target_class = NULL;
4188 gboolean callvirt = FALSE;
4189 gboolean closed_over_null = FALSE;
4190 gboolean static_method_with_first_arg_bound = FALSE;
4191 MonoGenericContext *ctx = NULL;
4192 MonoGenericContainer *container = NULL;
4193 MonoMethod *orig_method = NULL;
4197 * If the delegate target is null, and the target method is not static, a virtual
4198 * call is made to that method with the first delegate argument as this. This is
4199 * a non-documented .NET feature.
4201 if (del && !del->target && del->method && mono_method_signature (del->method)->hasthis) {
4203 target_method = del->method;
4204 if (target_method->is_inflated) {
4205 MonoType *target_type;
4207 g_assert (method->signature->hasthis);
4208 target_type = mono_class_inflate_generic_type (method->signature->params [0],
4209 mono_method_get_context (method));
4210 target_class = mono_class_from_mono_type (target_type);
4212 target_class = del->method->klass;
4216 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
4217 !strcmp (method->name, "Invoke"));
4219 invoke_sig = sig = mono_signature_no_pinvoke (method);
4222 closed_over_null = sig->param_count == mono_method_signature (del->method)->param_count;
4224 if (del && del->method && mono_method_signature (del->method)->param_count == sig->param_count + 1 && (del->method->flags & METHOD_ATTRIBUTE_STATIC)) {
4225 g_assert (!callvirt);
4226 invoke_sig = mono_method_signature (del->method);
4227 target_method = NULL;
4228 static_method_with_first_arg_bound = TRUE;
4232 * For generic delegates, create a generic wrapper, and returns an instance to help AOT.
4234 if (method->is_inflated && !callvirt && !static_method_with_first_arg_bound) {
4235 orig_method = method;
4236 ctx = &((MonoMethodInflated*)method)->context;
4237 method = ((MonoMethodInflated*)method)->declaring;
4239 container = mono_method_get_generic_container (method);
4241 container = method->klass->generic_container;
4242 g_assert (container);
4244 invoke_sig = sig = mono_signature_no_pinvoke (method);
4251 cache = get_cache (&method->klass->image->delegate_invoke_generic_cache, mono_aligned_addr_hash, NULL);
4252 res = check_generic_delegate_wrapper_cache (cache, orig_method, method, ctx);
4255 } else if (static_method_with_first_arg_bound) {
4256 cache = get_cache (&method->klass->image->delegate_bound_static_invoke_cache,
4257 (GHashFunc)mono_signature_hash,
4258 (GCompareFunc)mono_metadata_signature_equal);
4260 * The wrapper is based on sig+invoke_sig, but sig can be derived from invoke_sig.
4262 res = mono_marshal_find_in_cache (cache, invoke_sig);
4265 } else if (callvirt) {
4266 GHashTable **cache_ptr;
4268 cache_ptr = &method->klass->image->delegate_abstract_invoke_cache;
4270 /* We need to cache the signature+method pair */
4271 mono_marshal_lock ();
4273 *cache_ptr = g_hash_table_new_full (signature_method_pair_hash, (GEqualFunc)signature_method_pair_equal, (GDestroyNotify)free_signature_method_pair, NULL);
4275 key.sig = invoke_sig;
4276 key.method = target_method;
4277 res = g_hash_table_lookup (cache, &key);
4278 mono_marshal_unlock ();
4282 cache = get_cache (&method->klass->image->delegate_invoke_cache,
4283 (GHashFunc)mono_signature_hash,
4284 (GCompareFunc)mono_metadata_signature_equal);
4285 res = mono_marshal_find_in_cache (cache, sig);
4290 static_sig = signature_dup (method->klass->image, sig);
4291 static_sig->hasthis = 0;
4292 if (!static_method_with_first_arg_bound)
4293 invoke_sig = static_sig;
4295 if (static_method_with_first_arg_bound)
4296 name = mono_signature_to_name (invoke_sig, "invoke_bound_");
4298 name = mono_signature_to_name (sig, "invoke");
4300 mb = mono_mb_new (method->klass, name, MONO_WRAPPER_DELEGATE_INVOKE);
4302 mb = mono_mb_new (get_wrapper_target_class (method->klass->image), name, MONO_WRAPPER_DELEGATE_INVOKE);
4306 /* allocate local 0 (object) */
4307 local_target = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4308 local_prev = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4310 g_assert (sig->hasthis);
4314 * prev.Invoke( args .. );
4315 * return this.<target>( args .. );
4318 /* this wrapper can be used in unmanaged-managed transitions */
4319 emit_thread_interrupt_checkpoint (mb);
4321 /* get this->prev */
4322 mono_mb_emit_ldarg (mb, 0);
4323 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoMulticastDelegate, prev));
4324 mono_mb_emit_byte (mb, CEE_LDIND_REF);
4325 mono_mb_emit_stloc (mb, local_prev);
4326 mono_mb_emit_ldloc (mb, local_prev);
4328 /* if prev != null */
4329 pos0 = mono_mb_emit_branch (mb, CEE_BRFALSE);
4333 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4334 mono_mb_emit_byte (mb, CEE_MONO_NOT_TAKEN);
4336 mono_mb_emit_ldloc (mb, local_prev);
4337 for (i = 0; i < sig->param_count; i++)
4338 mono_mb_emit_ldarg (mb, i + 1);
4340 mono_mb_emit_op (mb, CEE_CALLVIRT, mono_class_inflate_generic_method (method, &container->context));
4342 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
4343 if (sig->ret->type != MONO_TYPE_VOID)
4344 mono_mb_emit_byte (mb, CEE_POP);
4346 /* continued or prev == null */
4347 mono_mb_patch_branch (mb, pos0);
4349 /* get this->target */
4350 mono_mb_emit_ldarg (mb, 0);
4351 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, target));
4352 mono_mb_emit_byte (mb, CEE_LDIND_REF);
4353 mono_mb_emit_stloc (mb, local_target);
4355 /*static methods with bound first arg can have null target and still be bound*/
4356 if (!static_method_with_first_arg_bound) {
4357 /* if target != null */
4358 mono_mb_emit_ldloc (mb, local_target);
4359 pos0 = mono_mb_emit_branch (mb, CEE_BRFALSE);
4361 /* then call this->method_ptr nonstatic */
4364 mono_mb_emit_exception_full (mb, "System", "NotImplementedException", "");
4366 mono_mb_emit_ldloc (mb, local_target);
4367 for (i = 0; i < sig->param_count; ++i)
4368 mono_mb_emit_ldarg (mb, i + 1);
4369 mono_mb_emit_ldarg (mb, 0);
4370 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, method_ptr));
4371 mono_mb_emit_byte (mb, CEE_LDIND_I );
4372 mono_mb_emit_op (mb, CEE_CALLI, sig);
4374 mono_mb_emit_byte (mb, CEE_RET);
4377 /* else [target == null] call this->method_ptr static */
4378 mono_mb_patch_branch (mb, pos0);
4382 if (!closed_over_null) {
4383 mono_mb_emit_ldarg (mb, 1);
4384 mono_mb_emit_op (mb, CEE_CASTCLASS, target_class);
4385 for (i = 1; i < sig->param_count; ++i)
4386 mono_mb_emit_ldarg (mb, i + 1);
4387 mono_mb_emit_op (mb, CEE_CALLVIRT, target_method);
4389 mono_mb_emit_byte (mb, CEE_LDNULL);
4390 for (i = 0; i < sig->param_count; ++i)
4391 mono_mb_emit_ldarg (mb, i + 1);
4392 mono_mb_emit_op (mb, CEE_CALL, target_method);
4395 if (static_method_with_first_arg_bound) {
4396 mono_mb_emit_ldloc (mb, local_target);
4397 if (!MONO_TYPE_IS_REFERENCE (invoke_sig->params[0]))
4398 mono_mb_emit_op (mb, CEE_UNBOX_ANY, mono_class_from_mono_type (invoke_sig->params[0]));
4400 for (i = 0; i < sig->param_count; ++i)
4401 mono_mb_emit_ldarg (mb, i + 1);
4402 mono_mb_emit_ldarg (mb, 0);
4403 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, method_ptr));
4404 mono_mb_emit_byte (mb, CEE_LDIND_I );
4405 mono_mb_emit_op (mb, CEE_CALLI, invoke_sig);
4408 mono_mb_emit_byte (mb, CEE_RET);
4410 mb->skip_visibility = 1;
4411 #endif /* DISABLE_JIT */
4416 def = mono_mb_create_and_cache (cache, method->klass, mb, sig, sig->param_count + 16);
4417 res = cache_generic_delegate_wrapper (cache, orig_method, def, ctx);
4418 } else if (static_method_with_first_arg_bound) {
4419 res = mono_mb_create_and_cache (cache, invoke_sig, mb, sig, sig->param_count + 16);
4421 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_DELEGATE_INVOKE_BOUND);
4422 mono_marshal_set_wrapper_info (res, info);
4423 } else if (callvirt) {
4424 // From mono_mb_create_and_cache
4425 newm = mono_mb_create_method (mb, sig, sig->param_count + 16);
4426 /*We perform double checked locking, so must fence before publishing*/
4427 mono_memory_barrier ();
4428 mono_marshal_lock ();
4429 res = g_hash_table_lookup (cache, &key);
4432 new_key = g_new0 (SignatureMethodPair, 1);
4434 if (static_method_with_first_arg_bound)
4435 new_key->sig = signature_dup (del->method->klass->image, key.sig);
4436 g_hash_table_insert (cache, new_key, res);
4438 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_DELEGATE_INVOKE_VIRTUAL);
4439 mono_marshal_set_wrapper_info (res, info);
4441 mono_marshal_unlock ();
4443 mono_marshal_unlock ();
4444 mono_free_method (newm);
4447 res = mono_mb_create_and_cache (cache, sig, mb, sig, sig->param_count + 16);
4449 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_NONE);
4450 mono_marshal_set_wrapper_info (res, info);
4458 * signature_dup_add_this:
4460 * Make a copy of @sig, adding an explicit this argument.
4462 static MonoMethodSignature*
4463 signature_dup_add_this (MonoImage *image, MonoMethodSignature *sig, MonoClass *klass)
4465 MonoMethodSignature *res;
4468 res = mono_metadata_signature_alloc (image, sig->param_count + 1);
4469 memcpy (res, sig, MONO_SIZEOF_METHOD_SIGNATURE);
4470 res->param_count = sig->param_count + 1;
4471 res->hasthis = FALSE;
4472 for (i = sig->param_count - 1; i >= 0; i --)
4473 res->params [i + 1] = sig->params [i];
4474 res->params [0] = klass->valuetype ? &klass->this_arg : &klass->byval_arg;
4480 MonoMethodSignature *ctor_sig;
4481 MonoMethodSignature *sig;
4484 /* protected by the marshal lock, contains CtorSigPair pointers */
4485 static GSList *strsig_list = NULL;
4487 static MonoMethodSignature *
4488 lookup_string_ctor_signature (MonoMethodSignature *sig)
4490 MonoMethodSignature *callsig;
4494 mono_marshal_lock ();
4496 for (item = strsig_list; item; item = item->next) {
4498 /* mono_metadata_signature_equal () is safe to call with the marshal lock
4499 * because it is lock-free.
4501 if (mono_metadata_signature_equal (sig, cs->ctor_sig)) {
4506 mono_marshal_unlock ();
4510 static MonoMethodSignature *
4511 add_string_ctor_signature (MonoMethod *method)
4513 MonoMethodSignature *callsig;
4516 callsig = signature_dup (method->klass->image, mono_method_signature (method));
4517 callsig->ret = &mono_defaults.string_class->byval_arg;
4518 cs = g_new (CtorSigPair, 1);
4520 cs->ctor_sig = mono_method_signature (method);
4522 mono_marshal_lock ();
4523 strsig_list = g_slist_prepend (strsig_list, cs);
4524 mono_marshal_unlock ();
4529 * mono_marshal_get_string_ctor_signature:
4531 * Return the modified signature used by string ctors (they return the newly created
4534 MonoMethodSignature*
4535 mono_marshal_get_string_ctor_signature (MonoMethod *method)
4537 MonoMethodSignature *sig = lookup_string_ctor_signature (mono_method_signature (method));
4539 sig = add_string_ctor_signature (method);
4545 get_runtime_invoke_type (MonoType *t, gboolean ret)
4548 if (t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t)))
4550 /* Can't share this with 'I' as that needs another indirection */
4551 return &mono_defaults.int_class->this_arg;
4554 if (MONO_TYPE_IS_REFERENCE (t))
4555 return &mono_defaults.object_class->byval_arg;
4558 /* The result needs to be boxed */
4563 /* Can't share these as the argument needs to be loaded using sign/zero extension */
4566 return &mono_defaults.sbyte_class->byval_arg;
4568 return &mono_defaults.int16_class->byval_arg;
4570 return &mono_defaults.int32_class->byval_arg;
4573 return &mono_defaults.int64_class->byval_arg;
4574 case MONO_TYPE_BOOLEAN:
4575 return &mono_defaults.byte_class->byval_arg;
4576 case MONO_TYPE_CHAR:
4577 return &mono_defaults.uint16_class->byval_arg;
4580 return &mono_defaults.int_class->byval_arg;
4581 case MONO_TYPE_VALUETYPE:
4582 if (t->data.klass->enumtype) {
4583 t = mono_class_enum_basetype (t->data.klass);
4593 * mono_marshal_get_runtime_invoke_sig:
4595 * Return a common signature used for sharing runtime invoke wrappers.
4597 static MonoMethodSignature*
4598 mono_marshal_get_runtime_invoke_sig (MonoMethodSignature *sig)
4600 MonoMethodSignature *res = mono_metadata_signature_dup (sig);
4603 res->ret = get_runtime_invoke_type (sig->ret, TRUE);
4604 for (i = 0; i < res->param_count; ++i)
4605 res->params [i] = get_runtime_invoke_type (sig->params [i], FALSE);
4611 runtime_invoke_signature_equal (MonoMethodSignature *sig1, MonoMethodSignature *sig2)
4613 /* Can't share wrappers which return a vtype since it needs to be boxed */
4614 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))
4617 return mono_metadata_signature_equal (sig1, sig2);
4625 * Emit the call to the wrapper method from a runtime invoke wrapper.
4628 emit_invoke_call (MonoMethodBuilder *mb, MonoMethod *method,
4629 MonoMethodSignature *sig, MonoMethodSignature *callsig,
4631 gboolean virtual, gboolean need_direct_wrapper)
4633 static MonoString *string_dummy = NULL;
4635 int *tmp_nullable_locals;
4636 gboolean void_ret = FALSE;
4638 /* to make it work with our special string constructors */
4639 if (!string_dummy) {
4640 MONO_GC_REGISTER_ROOT_SINGLE (string_dummy);
4641 string_dummy = mono_string_new_wrapper ("dummy");
4645 g_assert (sig->hasthis);
4646 g_assert (method->flags & METHOD_ATTRIBUTE_VIRTUAL);
4650 if (method->string_ctor) {
4651 if (mono_gc_is_moving ()) {
4652 mono_mb_emit_ptr (mb, &string_dummy);
4653 mono_mb_emit_byte (mb, CEE_LDIND_REF);
4655 mono_mb_emit_ptr (mb, string_dummy);
4658 mono_mb_emit_ldarg (mb, 0);
4662 tmp_nullable_locals = g_new0 (int, sig->param_count);
4664 for (i = 0; i < sig->param_count; i++) {
4665 MonoType *t = sig->params [i];
4668 mono_mb_emit_ldarg (mb, 1);
4670 mono_mb_emit_icon (mb, sizeof (gpointer) * i);
4671 mono_mb_emit_byte (mb, CEE_ADD);
4675 mono_mb_emit_byte (mb, CEE_LDIND_I);
4676 /* A Nullable<T> type don't have a boxed form, it's either null or a boxed T.
4677 * So to make this work we unbox it to a local variablee and push a reference to that.
4679 if (t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t))) {
4680 tmp_nullable_locals [i] = mono_mb_add_local (mb, &mono_class_from_mono_type (t)->byval_arg);
4682 mono_mb_emit_op (mb, CEE_UNBOX_ANY, mono_class_from_mono_type (t));
4683 mono_mb_emit_stloc (mb, tmp_nullable_locals [i]);
4684 mono_mb_emit_ldloc_addr (mb, tmp_nullable_locals [i]);
4689 /*FIXME 'this doesn't handle generic enums. Shouldn't we?*/
4690 type = sig->params [i]->type;
4694 case MONO_TYPE_BOOLEAN:
4698 case MONO_TYPE_CHAR:
4707 mono_mb_emit_byte (mb, CEE_LDIND_I);
4708 mono_mb_emit_byte (mb, mono_type_to_ldind (sig->params [i]));
4710 case MONO_TYPE_STRING:
4711 case MONO_TYPE_CLASS:
4712 case MONO_TYPE_ARRAY:
4714 case MONO_TYPE_SZARRAY:
4715 case MONO_TYPE_OBJECT:
4716 mono_mb_emit_byte (mb, mono_type_to_ldind (sig->params [i]));
4718 case MONO_TYPE_GENERICINST:
4719 if (!mono_type_generic_inst_is_valuetype (sig->params [i])) {
4720 mono_mb_emit_byte (mb, mono_type_to_ldind (sig->params [i]));
4725 case MONO_TYPE_VALUETYPE:
4726 if (type == MONO_TYPE_VALUETYPE && t->data.klass->enumtype) {
4727 type = mono_class_enum_basetype (t->data.klass)->type;
4730 mono_mb_emit_byte (mb, CEE_LDIND_I);
4731 if (mono_class_is_nullable (mono_class_from_mono_type (sig->params [i]))) {
4732 /* Need to convert a boxed vtype to an mp to a Nullable struct */
4733 mono_mb_emit_op (mb, CEE_UNBOX, mono_class_from_mono_type (sig->params [i]));
4734 mono_mb_emit_op (mb, CEE_LDOBJ, mono_class_from_mono_type (sig->params [i]));
4736 mono_mb_emit_op (mb, CEE_LDOBJ, mono_class_from_mono_type (sig->params [i]));
4740 g_assert_not_reached ();
4745 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
4746 } else if (need_direct_wrapper) {
4747 mono_mb_emit_op (mb, CEE_CALL, method);
4749 mono_mb_emit_ldarg (mb, 3);
4750 mono_mb_emit_calli (mb, callsig);
4753 if (sig->ret->byref) {
4755 g_assert_not_reached ();
4758 switch (sig->ret->type) {
4759 case MONO_TYPE_VOID:
4760 if (!method->string_ctor)
4763 case MONO_TYPE_BOOLEAN:
4764 case MONO_TYPE_CHAR:
4777 case MONO_TYPE_VALUETYPE:
4778 case MONO_TYPE_TYPEDBYREF:
4779 case MONO_TYPE_GENERICINST:
4780 /* box value types */
4781 mono_mb_emit_op (mb, CEE_BOX, mono_class_from_mono_type (sig->ret));
4783 case MONO_TYPE_STRING:
4784 case MONO_TYPE_CLASS:
4785 case MONO_TYPE_ARRAY:
4786 case MONO_TYPE_SZARRAY:
4787 case MONO_TYPE_OBJECT:
4791 /* The result is an IntPtr */
4792 mono_mb_emit_op (mb, CEE_BOX, mono_defaults.int_class);
4795 g_assert_not_reached ();
4799 mono_mb_emit_stloc (mb, loc_res);
4801 /* Convert back nullable-byref arguments */
4802 for (i = 0; i < sig->param_count; i++) {
4803 MonoType *t = sig->params [i];
4806 * Box the result and put it back into the array, the caller will have
4807 * to obtain it from there.
4809 if (t->byref && t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t))) {
4810 mono_mb_emit_ldarg (mb, 1);
4811 mono_mb_emit_icon (mb, sizeof (gpointer) * i);
4812 mono_mb_emit_byte (mb, CEE_ADD);
4814 mono_mb_emit_ldloc (mb, tmp_nullable_locals [i]);
4815 mono_mb_emit_op (mb, CEE_BOX, mono_class_from_mono_type (t));
4817 mono_mb_emit_byte (mb, CEE_STIND_REF);
4821 g_free (tmp_nullable_locals);
4825 emit_runtime_invoke_body (MonoMethodBuilder *mb, MonoClass *target_klass, MonoMethod *method,
4826 MonoMethodSignature *sig, MonoMethodSignature *callsig,
4827 gboolean virtual, gboolean need_direct_wrapper)
4830 MonoExceptionClause *clause;
4831 int loc_res, loc_exc;
4833 /* The wrapper looks like this:
4839 * } catch (Exception e) {
4847 /* allocate local 0 (object) tmp */
4848 loc_res = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4849 /* allocate local 1 (object) exc */
4850 loc_exc = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4852 /* *exc is assumed to be initialized to NULL by the caller */
4854 mono_mb_emit_byte (mb, CEE_LDARG_2);
4855 labels [0] = mono_mb_emit_branch (mb, CEE_BRFALSE);
4860 labels [1] = mono_mb_get_label (mb);
4861 emit_thread_force_interrupt_checkpoint (mb);
4862 emit_invoke_call (mb, method, sig, callsig, loc_res, virtual, need_direct_wrapper);
4864 labels [2] = mono_mb_emit_branch (mb, CEE_LEAVE);
4866 /* Add a try clause around the call */
4867 clause = mono_image_alloc0 (target_klass->image, sizeof (MonoExceptionClause));
4868 clause->flags = MONO_EXCEPTION_CLAUSE_NONE;
4869 clause->data.catch_class = mono_defaults.exception_class;
4870 clause->try_offset = labels [1];
4871 clause->try_len = mono_mb_get_label (mb) - labels [1];
4873 clause->handler_offset = mono_mb_get_label (mb);
4876 mono_mb_emit_stloc (mb, loc_exc);
4877 mono_mb_emit_byte (mb, CEE_LDARG_2);
4878 mono_mb_emit_ldloc (mb, loc_exc);
4879 mono_mb_emit_byte (mb, CEE_STIND_REF);
4881 mono_mb_emit_branch (mb, CEE_LEAVE);
4883 clause->handler_len = mono_mb_get_pos (mb) - clause->handler_offset;
4885 mono_mb_set_clauses (mb, 1, clause);
4887 mono_mb_patch_branch (mb, labels [2]);
4888 mono_mb_emit_ldloc (mb, loc_res);
4889 mono_mb_emit_byte (mb, CEE_RET);
4894 mono_mb_patch_branch (mb, labels [0]);
4895 emit_thread_force_interrupt_checkpoint (mb);
4896 emit_invoke_call (mb, method, sig, callsig, loc_res, virtual, need_direct_wrapper);
4898 mono_mb_emit_ldloc (mb, 0);
4899 mono_mb_emit_byte (mb, CEE_RET);
4904 * generates IL code for the runtime invoke function
4905 * MonoObject *runtime_invoke (MonoObject *this, void **params, MonoObject **exc, void* method)
4907 * we also catch exceptions if exc != null
4908 * If VIRTUAL is TRUE, then METHOD is invoked virtually on THIS. This is useful since
4909 * it means that the compiled code for METHOD does not have to be looked up
4910 * before calling the runtime invoke wrapper. In this case, the wrapper ignores
4911 * its METHOD argument.
4914 mono_marshal_get_runtime_invoke (MonoMethod *method, gboolean virtual)
4916 MonoMethodSignature *sig, *csig, *callsig;
4917 MonoMethodBuilder *mb;
4918 GHashTable *cache = NULL;
4919 MonoClass *target_klass;
4920 MonoMethod *res = NULL;
4921 static MonoMethodSignature *cctor_signature = NULL;
4922 static MonoMethodSignature *finalize_signature = NULL;
4924 const char *param_names [16];
4925 gboolean need_direct_wrapper = FALSE;
4930 if (!cctor_signature) {
4931 cctor_signature = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
4932 cctor_signature->ret = &mono_defaults.void_class->byval_arg;
4934 if (!finalize_signature) {
4935 finalize_signature = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
4936 finalize_signature->ret = &mono_defaults.void_class->byval_arg;
4937 finalize_signature->hasthis = 1;
4941 need_direct_wrapper = TRUE;
4944 * Use a separate cache indexed by methods to speed things up and to avoid the
4945 * boundless mempool growth caused by the signature_dup stuff below.
4948 cache = get_cache (&method->klass->image->runtime_invoke_vcall_cache, mono_aligned_addr_hash, NULL);
4950 cache = get_cache (&method->klass->image->runtime_invoke_direct_cache, mono_aligned_addr_hash, NULL);
4951 res = mono_marshal_find_in_cache (cache, method);
4955 if (method->klass->rank && (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
4956 (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)) {
4958 * Array Get/Set/Address methods. The JIT implements them using inline code
4959 * so we need to create an invoke wrapper which calls the method directly.
4961 need_direct_wrapper = TRUE;
4964 if (method->string_ctor) {
4965 callsig = lookup_string_ctor_signature (mono_method_signature (method));
4967 callsig = add_string_ctor_signature (method);
4968 /* Can't share this as we push a string as this */
4969 need_direct_wrapper = TRUE;
4971 if (method->dynamic)
4972 callsig = signature_dup (method->klass->image, mono_method_signature (method));
4974 callsig = mono_method_signature (method);
4977 target_klass = get_wrapper_target_class (method->klass->image);
4979 /* Try to share wrappers for non-corlib methods with simple signatures */
4980 if (mono_metadata_signature_equal (callsig, cctor_signature)) {
4981 callsig = cctor_signature;
4982 target_klass = mono_defaults.object_class;
4983 } else if (mono_metadata_signature_equal (callsig, finalize_signature)) {
4984 callsig = finalize_signature;
4985 target_klass = mono_defaults.object_class;
4988 if (need_direct_wrapper) {
4989 /* Already searched at the start */
4991 MonoMethodSignature *tmp_sig;
4993 callsig = mono_marshal_get_runtime_invoke_sig (callsig);
4995 if (method->klass->valuetype && mono_method_signature (method)->hasthis)
4996 /* These have a different csig */
4997 cache = get_cache (&target_klass->image->runtime_invoke_vtype_cache,
4998 (GHashFunc)mono_signature_hash,
4999 (GCompareFunc)runtime_invoke_signature_equal);
5001 cache = get_cache (&target_klass->image->runtime_invoke_cache,
5002 (GHashFunc)mono_signature_hash,
5003 (GCompareFunc)runtime_invoke_signature_equal);
5005 /* from mono_marshal_find_in_cache */
5006 mono_marshal_lock ();
5007 res = g_hash_table_lookup (cache, callsig);
5008 mono_marshal_unlock ();
5015 /* Make a copy of the signature from the image mempool */
5017 callsig = mono_metadata_signature_dup_full (target_klass->image, callsig);
5021 sig = mono_method_signature (method);
5023 csig = mono_metadata_signature_alloc (target_klass->image, 4);
5025 csig->ret = &mono_defaults.object_class->byval_arg;
5026 if (method->klass->valuetype && mono_method_signature (method)->hasthis)
5027 csig->params [0] = get_runtime_invoke_type (&method->klass->this_arg, FALSE);
5029 csig->params [0] = &mono_defaults.object_class->byval_arg;
5030 csig->params [1] = &mono_defaults.int_class->byval_arg;
5031 csig->params [2] = &mono_defaults.int_class->byval_arg;
5032 csig->params [3] = &mono_defaults.int_class->byval_arg;
5035 /* This is called from runtime code so it has to be cdecl */
5036 csig->call_convention = MONO_CALL_C;
5039 name = mono_signature_to_name (callsig, virtual ? "runtime_invoke_virtual" : "runtime_invoke");
5040 mb = mono_mb_new (target_klass, name, MONO_WRAPPER_RUNTIME_INVOKE);
5044 param_names [0] = "this";
5045 param_names [1] = "params";
5046 param_names [2] = "exc";
5047 param_names [3] = "method";
5048 mono_mb_set_param_names (mb, param_names);
5050 emit_runtime_invoke_body (mb, target_klass, method, sig, callsig, virtual, need_direct_wrapper);
5053 if (need_direct_wrapper) {
5055 mb->skip_visibility = 1;
5057 res = mono_mb_create_and_cache (cache, method, mb, csig, sig->param_count + 16);
5058 info = mono_wrapper_info_create (res, virtual ? WRAPPER_SUBTYPE_RUNTIME_INVOKE_VIRTUAL : WRAPPER_SUBTYPE_RUNTIME_INVOKE_DIRECT);
5059 info->d.runtime_invoke.method = method;
5060 mono_marshal_set_wrapper_info (res, info);
5062 /* taken from mono_mb_create_and_cache */
5063 mono_marshal_lock ();
5064 res = g_hash_table_lookup (cache, callsig);
5065 mono_marshal_unlock ();
5067 /* Somebody may have created it before us */
5070 newm = mono_mb_create_method (mb, csig, sig->param_count + 16);
5072 mono_marshal_lock ();
5073 res = g_hash_table_lookup (cache, callsig);
5076 g_hash_table_insert (cache, callsig, res);
5077 /* Can't insert it into wrapper_hash since the key is a signature */
5078 g_hash_table_insert (method->klass->image->runtime_invoke_direct_cache, method, res);
5079 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_RUNTIME_INVOKE_NORMAL);
5080 info->d.runtime_invoke.sig = callsig;
5081 mono_marshal_set_wrapper_info (res, info);
5083 mono_free_method (newm);
5085 mono_marshal_unlock ();
5088 /* end mono_mb_create_and_cache */
5097 * mono_marshal_get_runtime_invoke_dynamic:
5099 * Return a method which can be used to invoke managed methods from native code
5101 * The signature of the returned method is given by RuntimeInvokeDynamicFunction:
5102 * void runtime_invoke (void *args, MonoObject **exc, void *compiled_method)
5103 * ARGS should point to an architecture specific structure containing
5104 * the arguments and space for the return value.
5105 * The other arguments are the same as for runtime_invoke (), except that
5106 * ARGS should contain the this argument too.
5107 * This wrapper serves the same purpose as the runtime-invoke wrappers, but there
5108 * is only one copy of it, which is useful in full-aot.
5109 * The wrapper info for the wrapper is a WrapperInfo structure.
5112 mono_marshal_get_runtime_invoke_dynamic (void)
5114 static MonoMethod *method;
5115 MonoMethodSignature *csig;
5116 MonoExceptionClause *clause;
5117 MonoMethodBuilder *mb;
5125 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
5127 csig->ret = &mono_defaults.void_class->byval_arg;
5128 csig->params [0] = &mono_defaults.int_class->byval_arg;
5129 csig->params [1] = &mono_defaults.int_class->byval_arg;
5130 csig->params [2] = &mono_defaults.int_class->byval_arg;
5131 csig->params [3] = &mono_defaults.int_class->byval_arg;
5133 name = g_strdup ("runtime_invoke_dynamic");
5134 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_RUNTIME_INVOKE);
5138 /* allocate local 0 (object) tmp */
5139 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
5140 /* allocate local 1 (object) exc */
5141 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
5143 /* cond set *exc to null */
5144 mono_mb_emit_byte (mb, CEE_LDARG_1);
5145 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
5146 mono_mb_emit_byte (mb, 3);
5147 mono_mb_emit_byte (mb, CEE_LDARG_1);
5148 mono_mb_emit_byte (mb, CEE_LDNULL);
5149 mono_mb_emit_byte (mb, CEE_STIND_REF);
5151 emit_thread_force_interrupt_checkpoint (mb);
5153 mono_mb_emit_byte (mb, CEE_LDARG_0);
5154 mono_mb_emit_byte (mb, CEE_LDARG_2);
5155 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5156 mono_mb_emit_byte (mb, CEE_MONO_DYN_CALL);
5158 pos = mono_mb_emit_branch (mb, CEE_LEAVE);
5160 clause = mono_image_alloc0 (mono_defaults.corlib, sizeof (MonoExceptionClause));
5161 clause->flags = MONO_EXCEPTION_CLAUSE_FILTER;
5162 clause->try_len = mono_mb_get_label (mb);
5165 clause->data.filter_offset = mono_mb_get_label (mb);
5167 mono_mb_emit_byte (mb, CEE_POP);
5168 mono_mb_emit_byte (mb, CEE_LDARG_1);
5169 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
5170 mono_mb_emit_byte (mb, CEE_PREFIX1);
5171 mono_mb_emit_byte (mb, CEE_CGT_UN);
5172 mono_mb_emit_byte (mb, CEE_PREFIX1);
5173 mono_mb_emit_byte (mb, CEE_ENDFILTER);
5175 clause->handler_offset = mono_mb_get_label (mb);
5178 /* store exception */
5179 mono_mb_emit_stloc (mb, 1);
5181 mono_mb_emit_byte (mb, CEE_LDARG_1);
5182 mono_mb_emit_ldloc (mb, 1);
5183 mono_mb_emit_byte (mb, CEE_STIND_REF);
5185 mono_mb_emit_byte (mb, CEE_LDNULL);
5186 mono_mb_emit_stloc (mb, 0);
5188 /* Check for the abort exception */
5189 mono_mb_emit_ldloc (mb, 1);
5190 mono_mb_emit_op (mb, CEE_ISINST, mono_defaults.threadabortexception_class);
5191 posna = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
5193 /* Delay the abort exception */
5194 mono_mb_emit_icall (mb, ves_icall_System_Threading_Thread_ResetAbort);
5196 mono_mb_patch_short_branch (mb, posna);
5197 mono_mb_emit_branch (mb, CEE_LEAVE);
5199 clause->handler_len = mono_mb_get_pos (mb) - clause->handler_offset;
5201 mono_mb_set_clauses (mb, 1, clause);
5204 mono_mb_patch_branch (mb, pos);
5205 //mono_mb_emit_ldloc (mb, 0);
5206 mono_mb_emit_byte (mb, CEE_RET);
5207 #endif /* DISABLE_JIT */
5209 mono_loader_lock ();
5210 /* double-checked locking */
5212 method = mono_mb_create_method (mb, csig, 16);
5213 info = mono_wrapper_info_create (method, WRAPPER_SUBTYPE_RUNTIME_INVOKE_DYNAMIC);
5214 mono_marshal_set_wrapper_info (method, info);
5216 mono_loader_unlock ();
5225 mono_mb_emit_auto_layout_exception (MonoMethodBuilder *mb, MonoClass *klass)
5227 char *msg = g_strdup_printf ("The type `%s.%s' layout needs to be Sequential or Explicit",
5228 klass->name_space, klass->name);
5230 mono_mb_emit_exception_marshal_directive (mb, msg);
5234 #ifndef DISABLE_REMOTING
5236 * mono_marshal_get_ldfld_remote_wrapper:
5237 * @klass: The return type
5239 * This method generates a wrapper for calling mono_load_remote_field_new.
5240 * The return type is ignored for now, as mono_load_remote_field_new () always
5241 * returns an object. In the future, to optimize some codepaths, we might
5242 * call a different function that takes a pointer to a valuetype, instead.
5245 mono_marshal_get_ldfld_remote_wrapper (MonoClass *klass)
5247 MonoMethodSignature *sig, *csig;
5248 MonoMethodBuilder *mb;
5250 static MonoMethod* cached = NULL;
5252 mono_marshal_lock ();
5254 mono_marshal_unlock ();
5257 mono_marshal_unlock ();
5259 mb = mono_mb_new_no_dup_name (mono_defaults.object_class, "__mono_load_remote_field_new_wrapper", MONO_WRAPPER_LDFLD_REMOTE);
5261 mb->method->save_lmf = 1;
5263 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
5264 sig->params [0] = &mono_defaults.object_class->byval_arg;
5265 sig->params [1] = &mono_defaults.int_class->byval_arg;
5266 sig->params [2] = &mono_defaults.int_class->byval_arg;
5267 sig->ret = &mono_defaults.object_class->byval_arg;
5270 mono_mb_emit_ldarg (mb, 0);
5271 mono_mb_emit_ldarg (mb, 1);
5272 mono_mb_emit_ldarg (mb, 2);
5274 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
5275 csig->params [0] = &mono_defaults.object_class->byval_arg;
5276 csig->params [1] = &mono_defaults.int_class->byval_arg;
5277 csig->params [2] = &mono_defaults.int_class->byval_arg;
5278 csig->ret = &mono_defaults.object_class->byval_arg;
5281 mono_mb_emit_native_call (mb, csig, mono_load_remote_field_new);
5282 emit_thread_interrupt_checkpoint (mb);
5284 mono_mb_emit_byte (mb, CEE_RET);
5287 mono_marshal_lock ();
5289 mono_marshal_unlock ();
5292 newm = mono_mb_create_method (mb, sig, 4);
5293 mono_marshal_lock ();
5298 mono_marshal_unlock ();
5300 mono_marshal_unlock ();
5301 mono_free_method (newm);
5310 * mono_marshal_get_ldfld_wrapper:
5311 * @type: the type of the field
5313 * This method generates a function which can be use to load a field with type
5314 * @type from an object. The generated function has the following signature:
5315 * <@type> ldfld_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset)
5318 mono_marshal_get_ldfld_wrapper (MonoType *type)
5320 MonoMethodSignature *sig;
5321 MonoMethodBuilder *mb;
5326 int t, pos0, pos1 = 0;
5328 type = mono_type_get_underlying_type (type);
5333 if (type->type == MONO_TYPE_SZARRAY) {
5334 klass = mono_defaults.array_class;
5335 } else if (type->type == MONO_TYPE_VALUETYPE) {
5336 klass = type->data.klass;
5337 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING) {
5338 klass = mono_defaults.object_class;
5339 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
5340 klass = mono_defaults.int_class;
5341 } else if (t == MONO_TYPE_GENERICINST) {
5342 if (mono_type_generic_inst_is_valuetype (type))
5343 klass = mono_class_from_mono_type (type);
5345 klass = mono_defaults.object_class;
5347 klass = mono_class_from_mono_type (type);
5350 klass = mono_defaults.int_class;
5353 cache = get_cache (&klass->image->ldfld_wrapper_cache, mono_aligned_addr_hash, NULL);
5354 if ((res = mono_marshal_find_in_cache (cache, klass)))
5357 /* we add the %p pointer value of klass because class names are not unique */
5358 name = g_strdup_printf ("__ldfld_wrapper_%p_%s.%s", klass, klass->name_space, klass->name);
5359 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_LDFLD);
5362 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
5363 sig->params [0] = &mono_defaults.object_class->byval_arg;
5364 sig->params [1] = &mono_defaults.int_class->byval_arg;
5365 sig->params [2] = &mono_defaults.int_class->byval_arg;
5366 sig->params [3] = &mono_defaults.int_class->byval_arg;
5367 sig->ret = &klass->byval_arg;
5370 mono_mb_emit_ldarg (mb, 0);
5371 pos0 = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
5373 mono_mb_emit_ldarg (mb, 0);
5374 mono_mb_emit_ldarg (mb, 1);
5375 mono_mb_emit_ldarg (mb, 2);
5377 mono_mb_emit_managed_call (mb, mono_marshal_get_ldfld_remote_wrapper (klass), NULL);
5380 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
5381 csig->params [0] = &mono_defaults.object_class->byval_arg;
5382 csig->params [1] = &mono_defaults.int_class->byval_arg;
5383 csig->params [2] = &mono_defaults.int_class->byval_arg;
5384 csig->ret = &klass->this_arg;
5387 mono_mb_emit_native_call (mb, csig, mono_load_remote_field_new);
5388 emit_thread_interrupt_checkpoint (mb);
5391 if (klass->valuetype) {
5392 mono_mb_emit_op (mb, CEE_UNBOX, klass);
5393 pos1 = mono_mb_emit_branch (mb, CEE_BR);
5395 mono_mb_emit_byte (mb, CEE_RET);
5399 mono_mb_patch_branch (mb, pos0);
5401 mono_mb_emit_ldarg (mb, 0);
5402 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5403 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
5404 mono_mb_emit_ldarg (mb, 3);
5405 mono_mb_emit_byte (mb, CEE_ADD);
5407 if (klass->valuetype)
5408 mono_mb_patch_branch (mb, pos1);
5413 case MONO_TYPE_BOOLEAN:
5414 case MONO_TYPE_CHAR:
5423 case MONO_TYPE_ARRAY:
5424 case MONO_TYPE_SZARRAY:
5425 case MONO_TYPE_OBJECT:
5426 case MONO_TYPE_CLASS:
5427 case MONO_TYPE_STRING:
5431 case MONO_TYPE_FNPTR:
5432 mono_mb_emit_byte (mb, mono_type_to_ldind (type));
5434 case MONO_TYPE_VALUETYPE:
5435 g_assert (!klass->enumtype);
5436 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
5438 case MONO_TYPE_GENERICINST:
5439 if (mono_type_generic_inst_is_valuetype (type)) {
5440 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
5442 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5446 case MONO_TYPE_MVAR:
5447 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
5450 g_warning ("type %x not implemented", type->type);
5451 g_assert_not_reached ();
5454 mono_mb_emit_byte (mb, CEE_RET);
5455 #endif /* DISABLE_JIT */
5457 res = mono_mb_create_and_cache (cache, klass,
5458 mb, sig, sig->param_count + 16);
5465 * mono_marshal_get_ldflda_wrapper:
5466 * @type: the type of the field
5468 * This method generates a function which can be used to load a field address
5469 * from an object. The generated function has the following signature:
5470 * gpointer ldflda_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset);
5473 mono_marshal_get_ldflda_wrapper (MonoType *type)
5475 MonoMethodSignature *sig;
5476 MonoMethodBuilder *mb;
5481 int t, pos0, pos1, pos2, pos3;
5483 type = mono_type_get_underlying_type (type);
5487 if (type->type == MONO_TYPE_SZARRAY) {
5488 klass = mono_defaults.array_class;
5489 } else if (type->type == MONO_TYPE_VALUETYPE) {
5490 klass = type->data.klass;
5491 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING ||
5492 t == MONO_TYPE_CLASS) {
5493 klass = mono_defaults.object_class;
5494 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
5495 klass = mono_defaults.int_class;
5496 } else if (t == MONO_TYPE_GENERICINST) {
5497 if (mono_type_generic_inst_is_valuetype (type))
5498 klass = mono_class_from_mono_type (type);
5500 klass = mono_defaults.object_class;
5502 klass = mono_class_from_mono_type (type);
5505 klass = mono_defaults.int_class;
5508 cache = get_cache (&klass->image->ldflda_wrapper_cache, mono_aligned_addr_hash, NULL);
5509 if ((res = mono_marshal_find_in_cache (cache, klass)))
5512 /* we add the %p pointer value of klass because class names are not unique */
5513 name = g_strdup_printf ("__ldflda_wrapper_%p_%s.%s", klass, klass->name_space, klass->name);
5514 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_LDFLDA);
5517 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
5518 sig->params [0] = &mono_defaults.object_class->byval_arg;
5519 sig->params [1] = &mono_defaults.int_class->byval_arg;
5520 sig->params [2] = &mono_defaults.int_class->byval_arg;
5521 sig->params [3] = &mono_defaults.int_class->byval_arg;
5522 sig->ret = &mono_defaults.int_class->byval_arg;
5525 /* if typeof (this) != transparent_proxy goto pos0 */
5526 mono_mb_emit_ldarg (mb, 0);
5527 pos0 = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
5529 /* if same_appdomain goto pos1 */
5530 mono_mb_emit_ldarg (mb, 0);
5531 pos1 = mono_mb_emit_xdomain_check (mb, CEE_BEQ);
5533 mono_mb_emit_exception_full (mb, "System", "InvalidOperationException", "Attempt to load field address from object in another appdomain.");
5535 /* same app domain */
5536 mono_mb_patch_branch (mb, pos1);
5538 /* if typeof (this) != contextbound goto pos2 */
5539 mono_mb_emit_ldarg (mb, 0);
5540 pos2 = mono_mb_emit_contextbound_check (mb, CEE_BEQ);
5542 /* if this->rp->context == mono_context_get goto pos3 */
5543 mono_mb_emit_ldarg (mb, 0);
5544 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
5545 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5546 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoRealProxy, context));
5547 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5548 mono_mb_emit_icall (mb, mono_context_get);
5549 pos3 = mono_mb_emit_branch (mb, CEE_BEQ);
5551 mono_mb_emit_exception_full (mb, "System", "InvalidOperationException", "Attempt to load field address from object in another context.");
5553 mono_mb_patch_branch (mb, pos2);
5554 mono_mb_patch_branch (mb, pos3);
5556 /* return the address of the field from this->rp->unwrapped_server */
5557 mono_mb_emit_ldarg (mb, 0);
5558 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
5559 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5560 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoRealProxy, unwrapped_server));
5561 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5562 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5563 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
5564 mono_mb_emit_ldarg (mb, 3);
5565 mono_mb_emit_byte (mb, CEE_ADD);
5566 mono_mb_emit_byte (mb, CEE_RET);
5568 /* not a proxy: return the address of the field directly */
5569 mono_mb_patch_branch (mb, pos0);
5571 mono_mb_emit_ldarg (mb, 0);
5572 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5573 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
5574 mono_mb_emit_ldarg (mb, 3);
5575 mono_mb_emit_byte (mb, CEE_ADD);
5577 mono_mb_emit_byte (mb, CEE_RET);
5580 res = mono_mb_create_and_cache (cache, klass,
5581 mb, sig, sig->param_count + 16);
5588 * mono_marshal_get_stfld_remote_wrapper:
5589 * klass: The type of the field
5591 * This function generates a wrapper for calling mono_store_remote_field_new
5592 * with the appropriate signature.
5593 * Similarly to mono_marshal_get_ldfld_remote_wrapper () this doesn't depend on the
5594 * klass argument anymore.
5597 mono_marshal_get_stfld_remote_wrapper (MonoClass *klass)
5599 MonoMethodSignature *sig, *csig;
5600 MonoMethodBuilder *mb;
5602 static MonoMethod *cached = NULL;
5604 mono_marshal_lock ();
5606 mono_marshal_unlock ();
5609 mono_marshal_unlock ();
5611 mb = mono_mb_new_no_dup_name (mono_defaults.object_class, "__mono_store_remote_field_new_wrapper", MONO_WRAPPER_STFLD_REMOTE);
5613 mb->method->save_lmf = 1;
5615 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
5616 sig->params [0] = &mono_defaults.object_class->byval_arg;
5617 sig->params [1] = &mono_defaults.int_class->byval_arg;
5618 sig->params [2] = &mono_defaults.int_class->byval_arg;
5619 sig->params [3] = &mono_defaults.object_class->byval_arg;
5620 sig->ret = &mono_defaults.void_class->byval_arg;
5623 mono_mb_emit_ldarg (mb, 0);
5624 mono_mb_emit_ldarg (mb, 1);
5625 mono_mb_emit_ldarg (mb, 2);
5626 mono_mb_emit_ldarg (mb, 3);
5628 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
5629 csig->params [0] = &mono_defaults.object_class->byval_arg;
5630 csig->params [1] = &mono_defaults.int_class->byval_arg;
5631 csig->params [2] = &mono_defaults.int_class->byval_arg;
5632 csig->params [3] = &mono_defaults.object_class->byval_arg;
5633 csig->ret = &mono_defaults.void_class->byval_arg;
5636 mono_mb_emit_native_call (mb, csig, mono_store_remote_field_new);
5637 emit_thread_interrupt_checkpoint (mb);
5639 mono_mb_emit_byte (mb, CEE_RET);
5642 mono_marshal_lock ();
5644 mono_marshal_unlock ();
5647 newm = mono_mb_create_method (mb, sig, 6);
5648 mono_marshal_lock ();
5653 mono_marshal_unlock ();
5655 mono_marshal_unlock ();
5656 mono_free_method (newm);
5665 * mono_marshal_get_stfld_wrapper:
5666 * @type: the type of the field
5668 * This method generates a function which can be use to store a field with type
5669 * @type. The generated function has the following signature:
5670 * void stfld_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset, <@type> val)
5673 mono_marshal_get_stfld_wrapper (MonoType *type)
5675 MonoMethodSignature *sig;
5676 MonoMethodBuilder *mb;
5683 type = mono_type_get_underlying_type (type);
5687 if (type->type == MONO_TYPE_SZARRAY) {
5688 klass = mono_defaults.array_class;
5689 } else if (type->type == MONO_TYPE_VALUETYPE) {
5690 klass = type->data.klass;
5691 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING) {
5692 klass = mono_defaults.object_class;
5693 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
5694 klass = mono_defaults.int_class;
5695 } else if (t == MONO_TYPE_GENERICINST) {
5696 if (mono_type_generic_inst_is_valuetype (type))
5697 klass = mono_class_from_mono_type (type);
5699 klass = mono_defaults.object_class;
5701 klass = mono_class_from_mono_type (type);
5704 klass = mono_defaults.int_class;
5707 cache = get_cache (&klass->image->stfld_wrapper_cache, mono_aligned_addr_hash, NULL);
5708 if ((res = mono_marshal_find_in_cache (cache, klass)))
5711 /* we add the %p pointer value of klass because class names are not unique */
5712 name = g_strdup_printf ("__stfld_wrapper_%p_%s.%s", klass, klass->name_space, klass->name);
5713 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_STFLD);
5716 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 5);
5717 sig->params [0] = &mono_defaults.object_class->byval_arg;
5718 sig->params [1] = &mono_defaults.int_class->byval_arg;
5719 sig->params [2] = &mono_defaults.int_class->byval_arg;
5720 sig->params [3] = &mono_defaults.int_class->byval_arg;
5721 sig->params [4] = &klass->byval_arg;
5722 sig->ret = &mono_defaults.void_class->byval_arg;
5725 mono_mb_emit_ldarg (mb, 0);
5726 pos = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
5728 mono_mb_emit_ldarg (mb, 0);
5729 mono_mb_emit_ldarg (mb, 1);
5730 mono_mb_emit_ldarg (mb, 2);
5731 mono_mb_emit_ldarg (mb, 4);
5732 if (klass->valuetype)
5733 mono_mb_emit_op (mb, CEE_BOX, klass);
5735 mono_mb_emit_managed_call (mb, mono_marshal_get_stfld_remote_wrapper (klass), NULL);
5737 mono_mb_emit_byte (mb, CEE_RET);
5739 mono_mb_patch_branch (mb, pos);
5741 mono_mb_emit_ldarg (mb, 0);
5742 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5743 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
5744 mono_mb_emit_ldarg (mb, 3);
5745 mono_mb_emit_byte (mb, CEE_ADD);
5746 mono_mb_emit_ldarg (mb, 4);
5751 case MONO_TYPE_BOOLEAN:
5752 case MONO_TYPE_CHAR:
5761 case MONO_TYPE_ARRAY:
5762 case MONO_TYPE_SZARRAY:
5763 case MONO_TYPE_OBJECT:
5764 case MONO_TYPE_CLASS:
5765 case MONO_TYPE_STRING:
5769 case MONO_TYPE_FNPTR:
5770 mono_mb_emit_byte (mb, mono_type_to_stind (type));
5772 case MONO_TYPE_VALUETYPE:
5773 g_assert (!klass->enumtype);
5774 mono_mb_emit_op (mb, CEE_STOBJ, klass);
5776 case MONO_TYPE_GENERICINST:
5778 case MONO_TYPE_MVAR:
5779 mono_mb_emit_op (mb, CEE_STOBJ, klass);
5782 g_warning ("type %x not implemented", type->type);
5783 g_assert_not_reached ();
5786 mono_mb_emit_byte (mb, CEE_RET);
5789 res = mono_mb_create_and_cache (cache, klass,
5790 mb, sig, sig->param_count + 16);
5795 #endif /* DISABLE_REMOTING */
5798 * generates IL code for the icall wrapper (the generated method
5799 * calls the unmanaged code in func)
5800 * The wrapper info for the wrapper is a WrapperInfo structure.
5803 mono_marshal_get_icall_wrapper (MonoMethodSignature *sig, const char *name, gconstpointer func, gboolean check_exceptions)
5805 MonoMethodSignature *csig, *csig2;
5806 MonoMethodBuilder *mb;
5811 g_assert (sig->pinvoke);
5813 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_MANAGED_TO_NATIVE);
5815 mb->method->save_lmf = 1;
5817 /* Add an explicit this argument */
5819 csig2 = signature_dup_add_this (mono_defaults.corlib, sig, mono_defaults.object_class);
5821 csig2 = signature_dup (mono_defaults.corlib, sig);
5825 mono_mb_emit_byte (mb, CEE_LDARG_0);
5827 for (i = 0; i < sig->param_count; i++)
5828 mono_mb_emit_ldarg (mb, i + sig->hasthis);
5830 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5831 mono_mb_emit_op (mb, CEE_MONO_JIT_ICALL_ADDR, (gpointer)func);
5832 mono_mb_emit_calli (mb, csig2);
5833 if (check_exceptions)
5834 emit_thread_interrupt_checkpoint (mb);
5835 mono_mb_emit_byte (mb, CEE_RET);
5838 csig = signature_dup (mono_defaults.corlib, sig);
5840 if (csig->call_convention == MONO_CALL_VARARG)
5841 csig->call_convention = 0;
5843 res = mono_mb_create_method (mb, csig, csig->param_count + 16);
5846 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_ICALL_WRAPPER);
5847 info->d.icall.func = (gpointer)func;
5848 mono_marshal_set_wrapper_info (res, info);
5854 emit_marshal_custom (EmitMarshalContext *m, int argnum, MonoType *t,
5855 MonoMarshalSpec *spec,
5856 int conv_arg, MonoType **conv_arg_type,
5857 MarshalAction action)
5860 if (action == MARSHAL_ACTION_CONV_IN && t->type == MONO_TYPE_VALUETYPE)
5861 *conv_arg_type = &mono_defaults.int_class->byval_arg;
5866 static MonoClass *ICustomMarshaler = NULL;
5867 static MonoMethod *cleanup_native, *cleanup_managed;
5868 static MonoMethod *marshal_managed_to_native, *marshal_native_to_managed;
5869 MonoMethod *get_instance = NULL;
5870 MonoMethodBuilder *mb = m->mb;
5871 char *exception_msg = NULL;
5875 if (!ICustomMarshaler) {
5876 ICustomMarshaler = mono_class_from_name (mono_defaults.corlib, "System.Runtime.InteropServices", "ICustomMarshaler");
5877 if (!ICustomMarshaler) {
5878 exception_msg = g_strdup ("Current profile doesn't support ICustomMarshaler");
5879 goto handle_exception;
5882 cleanup_native = mono_class_get_method_from_name (ICustomMarshaler, "CleanUpNativeData", 1);
5883 g_assert (cleanup_native);
5884 cleanup_managed = mono_class_get_method_from_name (ICustomMarshaler, "CleanUpManagedData", 1);
5885 g_assert (cleanup_managed);
5886 marshal_managed_to_native = mono_class_get_method_from_name (ICustomMarshaler, "MarshalManagedToNative", 1);
5887 g_assert (marshal_managed_to_native);
5888 marshal_native_to_managed = mono_class_get_method_from_name (ICustomMarshaler, "MarshalNativeToManaged", 1);
5889 g_assert (marshal_native_to_managed);
5892 mtype = mono_reflection_type_from_name (spec->data.custom_data.custom_name, m->image);
5893 g_assert (mtype != NULL);
5894 mklass = mono_class_from_mono_type (mtype);
5895 g_assert (mklass != NULL);
5897 if (!mono_class_is_assignable_from (ICustomMarshaler, mklass))
5898 exception_msg = g_strdup_printf ("Custom marshaler '%s' does not implement the ICustomMarshaler interface.", mklass->name);
5900 get_instance = mono_class_get_method_from_name_flags (mklass, "GetInstance", 1, METHOD_ATTRIBUTE_STATIC);
5902 MonoMethodSignature *get_sig = mono_method_signature (get_instance);
5903 if ((get_sig->ret->type != MONO_TYPE_CLASS) ||
5904 (mono_class_from_mono_type (get_sig->ret) != ICustomMarshaler) ||
5905 (get_sig->params [0]->type != MONO_TYPE_STRING))
5906 get_instance = NULL;
5910 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);
5913 /* Throw exception and emit compensation code if neccesary */
5914 if (exception_msg) {
5916 case MARSHAL_ACTION_CONV_IN:
5917 case MARSHAL_ACTION_CONV_RESULT:
5918 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
5919 if ((action == MARSHAL_ACTION_CONV_RESULT) || (action == MARSHAL_ACTION_MANAGED_CONV_RESULT))
5920 mono_mb_emit_byte (mb, CEE_POP);
5922 mono_mb_emit_exception_full (mb, "System", "ApplicationException", exception_msg);
5923 g_free (exception_msg);
5926 case MARSHAL_ACTION_PUSH:
5927 mono_mb_emit_byte (mb, CEE_LDNULL);
5935 /* FIXME: MS.NET seems to create one instance for each klass + cookie pair */
5936 /* FIXME: MS.NET throws an exception if GetInstance returns null */
5939 case MARSHAL_ACTION_CONV_IN:
5941 case MONO_TYPE_CLASS:
5942 case MONO_TYPE_OBJECT:
5943 case MONO_TYPE_STRING:
5944 case MONO_TYPE_ARRAY:
5945 case MONO_TYPE_SZARRAY:
5946 case MONO_TYPE_VALUETYPE:
5950 g_warning ("custom marshalling of type %x is currently not supported", t->type);
5951 g_assert_not_reached ();
5955 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5957 mono_mb_emit_byte (mb, CEE_LDNULL);
5958 mono_mb_emit_stloc (mb, conv_arg);
5960 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT))
5963 /* Minic MS.NET behavior */
5964 if (!t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT) && !(t->attrs & PARAM_ATTRIBUTE_IN))
5967 /* Check for null */
5968 mono_mb_emit_ldarg (mb, argnum);
5970 mono_mb_emit_byte (mb, CEE_LDIND_I);
5971 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5973 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5975 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5977 mono_mb_emit_ldarg (mb, argnum);
5979 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5981 if (t->type == MONO_TYPE_VALUETYPE) {
5983 * Since we can't determine the type of the argument, we
5984 * will assume the unmanaged function takes a pointer.
5986 *conv_arg_type = &mono_defaults.int_class->byval_arg;
5988 mono_mb_emit_op (mb, CEE_BOX, mono_class_from_mono_type (t));
5991 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_managed_to_native);
5992 mono_mb_emit_stloc (mb, conv_arg);
5994 mono_mb_patch_branch (mb, pos2);
5997 case MARSHAL_ACTION_CONV_OUT:
5998 /* Check for null */
5999 mono_mb_emit_ldloc (mb, conv_arg);
6000 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6003 mono_mb_emit_ldarg (mb, argnum);
6005 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
6007 mono_mb_emit_op (mb, CEE_CALL, get_instance);
6009 mono_mb_emit_ldloc (mb, conv_arg);
6010 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
6011 mono_mb_emit_byte (mb, CEE_STIND_REF);
6012 } else if (t->attrs & PARAM_ATTRIBUTE_OUT) {
6013 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
6015 mono_mb_emit_op (mb, CEE_CALL, get_instance);
6017 mono_mb_emit_ldloc (mb, conv_arg);
6018 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
6020 /* We have nowhere to store the result */
6021 mono_mb_emit_byte (mb, CEE_POP);
6024 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
6026 mono_mb_emit_op (mb, CEE_CALL, get_instance);
6028 mono_mb_emit_ldloc (mb, conv_arg);
6030 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_native);
6032 mono_mb_patch_branch (mb, pos2);
6035 case MARSHAL_ACTION_PUSH:
6037 mono_mb_emit_ldloc_addr (mb, conv_arg);
6039 mono_mb_emit_ldloc (mb, conv_arg);
6042 case MARSHAL_ACTION_CONV_RESULT:
6043 loc1 = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6045 mono_mb_emit_stloc (mb, 3);
6047 mono_mb_emit_ldloc (mb, 3);
6048 mono_mb_emit_stloc (mb, loc1);
6050 /* Check for null */
6051 mono_mb_emit_ldloc (mb, 3);
6052 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6054 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
6056 mono_mb_emit_op (mb, CEE_CALL, get_instance);
6057 mono_mb_emit_byte (mb, CEE_DUP);
6059 mono_mb_emit_ldloc (mb, 3);
6060 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
6061 mono_mb_emit_stloc (mb, 3);
6063 mono_mb_emit_ldloc (mb, loc1);
6064 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_native);
6066 mono_mb_patch_branch (mb, pos2);
6069 case MARSHAL_ACTION_MANAGED_CONV_IN:
6070 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
6072 mono_mb_emit_byte (mb, CEE_LDNULL);
6073 mono_mb_emit_stloc (mb, conv_arg);
6075 if (t->byref && t->attrs & PARAM_ATTRIBUTE_OUT)
6078 /* Check for null */
6079 mono_mb_emit_ldarg (mb, argnum);
6081 mono_mb_emit_byte (mb, CEE_LDIND_I);
6082 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6084 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
6085 mono_mb_emit_op (mb, CEE_CALL, get_instance);
6087 mono_mb_emit_ldarg (mb, argnum);
6089 mono_mb_emit_byte (mb, CEE_LDIND_I);
6091 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
6092 mono_mb_emit_stloc (mb, conv_arg);
6094 mono_mb_patch_branch (mb, pos2);
6097 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
6098 g_assert (!t->byref);
6100 loc1 = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
6102 mono_mb_emit_stloc (mb, 3);
6104 mono_mb_emit_ldloc (mb, 3);
6105 mono_mb_emit_stloc (mb, loc1);
6107 /* Check for null */
6108 mono_mb_emit_ldloc (mb, 3);
6109 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6111 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
6112 mono_mb_emit_op (mb, CEE_CALL, get_instance);
6113 mono_mb_emit_byte (mb, CEE_DUP);
6115 mono_mb_emit_ldloc (mb, 3);
6116 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_managed_to_native);
6117 mono_mb_emit_stloc (mb, 3);
6119 mono_mb_emit_ldloc (mb, loc1);
6120 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_managed);
6122 mono_mb_patch_branch (mb, pos2);
6125 case MARSHAL_ACTION_MANAGED_CONV_OUT:
6127 /* Check for null */
6128 mono_mb_emit_ldloc (mb, conv_arg);
6129 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6132 mono_mb_emit_ldarg (mb, argnum);
6134 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
6136 mono_mb_emit_op (mb, CEE_CALL, get_instance);
6138 mono_mb_emit_ldloc (mb, conv_arg);
6139 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_managed_to_native);
6140 mono_mb_emit_byte (mb, CEE_STIND_I);
6143 /* Call CleanUpManagedData */
6144 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
6146 mono_mb_emit_op (mb, CEE_CALL, get_instance);
6148 mono_mb_emit_ldloc (mb, conv_arg);
6149 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_managed);
6151 mono_mb_patch_branch (mb, pos2);
6155 g_assert_not_reached ();
6163 emit_marshal_asany (EmitMarshalContext *m, int argnum, MonoType *t,
6164 MonoMarshalSpec *spec,
6165 int conv_arg, MonoType **conv_arg_type,
6166 MarshalAction action)
6169 MonoMethodBuilder *mb = m->mb;
6172 case MARSHAL_ACTION_CONV_IN: {
6173 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, NULL);
6175 g_assert (t->type == MONO_TYPE_OBJECT);
6176 g_assert (!t->byref);
6178 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6179 mono_mb_emit_ldarg (mb, argnum);
6180 mono_mb_emit_icon (mb, encoding);
6181 mono_mb_emit_icon (mb, t->attrs);
6182 mono_mb_emit_icall (mb, mono_marshal_asany);
6183 mono_mb_emit_stloc (mb, conv_arg);
6187 case MARSHAL_ACTION_PUSH:
6188 mono_mb_emit_ldloc (mb, conv_arg);
6191 case MARSHAL_ACTION_CONV_OUT: {
6192 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, NULL);
6194 mono_mb_emit_ldarg (mb, argnum);
6195 mono_mb_emit_ldloc (mb, conv_arg);
6196 mono_mb_emit_icon (mb, encoding);
6197 mono_mb_emit_icon (mb, t->attrs);
6198 mono_mb_emit_icall (mb, mono_marshal_free_asany);
6203 g_assert_not_reached ();
6210 emit_marshal_vtype (EmitMarshalContext *m, int argnum, MonoType *t,
6211 MonoMarshalSpec *spec,
6212 int conv_arg, MonoType **conv_arg_type,
6213 MarshalAction action)
6216 MonoMethodBuilder *mb = m->mb;
6217 MonoClass *klass, *date_time_class;
6220 klass = mono_class_from_mono_type (t);
6222 date_time_class = mono_class_from_name_cached (mono_defaults.corlib, "System", "DateTime");
6225 case MARSHAL_ACTION_CONV_IN:
6226 if (klass == date_time_class) {
6227 /* Convert it to an OLE DATE type */
6228 static MonoMethod *to_oadate;
6231 to_oadate = mono_class_get_method_from_name (date_time_class, "ToOADate", 0);
6232 g_assert (to_oadate);
6234 conv_arg = mono_mb_add_local (mb, &mono_defaults.double_class->byval_arg);
6237 mono_mb_emit_ldarg (mb, argnum);
6238 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6241 if (!(t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && (t->attrs & PARAM_ATTRIBUTE_OUT))) {
6243 m->csig->params [argnum - m->csig->hasthis] = &mono_defaults.double_class->byval_arg;
6245 mono_mb_emit_ldarg_addr (mb, argnum);
6246 mono_mb_emit_managed_call (mb, to_oadate, NULL);
6247 mono_mb_emit_stloc (mb, conv_arg);
6251 mono_mb_patch_branch (mb, pos);
6255 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6256 klass->blittable || klass->enumtype)
6259 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6261 /* store the address of the source into local variable 0 */
6263 mono_mb_emit_ldarg (mb, argnum);
6265 mono_mb_emit_ldarg_addr (mb, argnum);
6267 mono_mb_emit_stloc (mb, 0);
6269 /* allocate space for the native struct and
6270 * store the address into local variable 1 (dest) */
6271 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
6272 mono_mb_emit_byte (mb, CEE_PREFIX1);
6273 mono_mb_emit_byte (mb, CEE_LOCALLOC);
6274 mono_mb_emit_stloc (mb, conv_arg);
6277 mono_mb_emit_ldloc (mb, 0);
6278 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6281 if (!(t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && (t->attrs & PARAM_ATTRIBUTE_OUT))) {
6283 mono_mb_emit_ldloc (mb, conv_arg);
6284 mono_mb_emit_stloc (mb, 1);
6286 /* emit valuetype conversion code */
6287 emit_struct_conv (mb, klass, FALSE);
6291 mono_mb_patch_branch (mb, pos);
6294 case MARSHAL_ACTION_PUSH:
6295 if (spec && spec->native == MONO_NATIVE_LPSTRUCT) {
6297 g_assert (!t->byref);
6299 /* Have to change the signature since the vtype is passed byref */
6300 m->csig->params [argnum - m->csig->hasthis] = &mono_defaults.int_class->byval_arg;
6302 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6303 klass->blittable || klass->enumtype)
6304 mono_mb_emit_ldarg_addr (mb, argnum);
6306 mono_mb_emit_ldloc (mb, conv_arg);
6310 if (klass == date_time_class) {
6312 mono_mb_emit_ldloc_addr (mb, conv_arg);
6314 mono_mb_emit_ldloc (mb, conv_arg);
6318 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6319 klass->blittable || klass->enumtype) {
6320 mono_mb_emit_ldarg (mb, argnum);
6323 mono_mb_emit_ldloc (mb, conv_arg);
6325 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6326 mono_mb_emit_op (mb, CEE_MONO_LDNATIVEOBJ, klass);
6330 case MARSHAL_ACTION_CONV_OUT:
6331 if (klass == date_time_class) {
6332 /* Convert from an OLE DATE type */
6333 static MonoMethod *from_oadate;
6338 if (!((t->attrs & PARAM_ATTRIBUTE_IN) && !(t->attrs & PARAM_ATTRIBUTE_OUT))) {
6340 from_oadate = mono_class_get_method_from_name (date_time_class, "FromOADate", 1);
6341 g_assert (from_oadate);
6343 mono_mb_emit_ldarg (mb, argnum);
6344 mono_mb_emit_ldloc (mb, conv_arg);
6345 mono_mb_emit_managed_call (mb, from_oadate, NULL);
6346 mono_mb_emit_op (mb, CEE_STOBJ, date_time_class);
6351 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6352 klass->blittable || klass->enumtype)
6356 /* dst = argument */
6357 mono_mb_emit_ldarg (mb, argnum);
6358 mono_mb_emit_stloc (mb, 1);
6360 mono_mb_emit_ldloc (mb, 1);
6361 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6363 if (!((t->attrs & PARAM_ATTRIBUTE_IN) && !(t->attrs & PARAM_ATTRIBUTE_OUT))) {
6364 /* src = tmp_locals [i] */
6365 mono_mb_emit_ldloc (mb, conv_arg);
6366 mono_mb_emit_stloc (mb, 0);
6368 /* emit valuetype conversion code */
6369 emit_struct_conv (mb, klass, TRUE);
6373 emit_struct_free (mb, klass, conv_arg);
6376 mono_mb_patch_branch (mb, pos);
6379 case MARSHAL_ACTION_CONV_RESULT:
6380 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6382 mono_mb_emit_stloc (mb, 3);
6386 /* load pointer to returned value type */
6387 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6388 mono_mb_emit_byte (mb, CEE_MONO_VTADDR);
6389 /* store the address of the source into local variable 0 */
6390 mono_mb_emit_stloc (mb, 0);
6392 mono_mb_emit_ldloc_addr (mb, 3);
6393 mono_mb_emit_stloc (mb, 1);
6395 /* emit valuetype conversion code */
6396 emit_struct_conv (mb, klass, TRUE);
6399 case MARSHAL_ACTION_MANAGED_CONV_IN:
6400 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6401 klass->blittable || klass->enumtype) {
6406 conv_arg = mono_mb_add_local (mb, &klass->byval_arg);
6408 if (t->attrs & PARAM_ATTRIBUTE_OUT)
6412 mono_mb_emit_ldarg (mb, argnum);
6414 mono_mb_emit_ldarg_addr (mb, argnum);
6415 mono_mb_emit_stloc (mb, 0);
6418 mono_mb_emit_ldloc (mb, 0);
6419 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6422 mono_mb_emit_ldloc_addr (mb, conv_arg);
6423 mono_mb_emit_stloc (mb, 1);
6425 /* emit valuetype conversion code */
6426 emit_struct_conv (mb, klass, TRUE);
6429 mono_mb_patch_branch (mb, pos);
6432 case MARSHAL_ACTION_MANAGED_CONV_OUT:
6433 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6434 klass->blittable || klass->enumtype) {
6438 /* Check for null */
6439 mono_mb_emit_ldarg (mb, argnum);
6440 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6443 mono_mb_emit_ldloc_addr (mb, conv_arg);
6444 mono_mb_emit_stloc (mb, 0);
6447 mono_mb_emit_ldarg (mb, argnum);
6448 mono_mb_emit_stloc (mb, 1);
6450 /* emit valuetype conversion code */
6451 emit_struct_conv (mb, klass, FALSE);
6453 mono_mb_patch_branch (mb, pos2);
6456 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
6457 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6458 klass->blittable || klass->enumtype) {
6459 mono_mb_emit_stloc (mb, 3);
6464 /* load pointer to returned value type */
6465 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6466 mono_mb_emit_byte (mb, CEE_MONO_VTADDR);
6468 /* store the address of the source into local variable 0 */
6469 mono_mb_emit_stloc (mb, 0);
6470 /* allocate space for the native struct and
6471 * store the address into dst_ptr */
6472 m->retobj_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6473 m->retobj_class = klass;
6474 g_assert (m->retobj_var);
6475 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
6476 mono_mb_emit_byte (mb, CEE_CONV_I);
6477 mono_mb_emit_icall (mb, mono_marshal_alloc);
6478 mono_mb_emit_stloc (mb, 1);
6479 mono_mb_emit_ldloc (mb, 1);
6480 mono_mb_emit_stloc (mb, m->retobj_var);
6482 /* emit valuetype conversion code */
6483 emit_struct_conv (mb, klass, FALSE);
6487 g_assert_not_reached ();
6494 emit_marshal_string (EmitMarshalContext *m, int argnum, MonoType *t,
6495 MonoMarshalSpec *spec,
6496 int conv_arg, MonoType **conv_arg_type,
6497 MarshalAction action)
6501 case MARSHAL_ACTION_CONV_IN:
6502 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6504 case MARSHAL_ACTION_MANAGED_CONV_IN:
6505 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6509 MonoMethodBuilder *mb = m->mb;
6510 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
6511 MonoMarshalConv conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
6515 case MARSHAL_ACTION_CONV_IN:
6516 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6517 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6520 if (t->attrs & PARAM_ATTRIBUTE_OUT)
6523 mono_mb_emit_ldarg (mb, argnum);
6524 mono_mb_emit_byte (mb, CEE_LDIND_I);
6526 mono_mb_emit_ldarg (mb, argnum);
6530 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
6531 mono_mb_emit_exception_marshal_directive (mb, msg);
6533 mono_mb_emit_icall (mb, conv_to_icall (conv));
6535 mono_mb_emit_stloc (mb, conv_arg);
6539 case MARSHAL_ACTION_CONV_OUT:
6540 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
6542 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
6543 mono_mb_emit_exception_marshal_directive (mb, msg);
6547 if (encoding == MONO_NATIVE_VBBYREFSTR) {
6548 static MonoMethod *m;
6551 m = mono_class_get_method_from_name_flags (mono_defaults.string_class, "get_Length", -1, 0);
6556 char *msg = g_strdup_printf ("VBByRefStr marshalling requires a ref parameter.", encoding);
6557 mono_mb_emit_exception_marshal_directive (mb, msg);
6562 * Have to allocate a new string with the same length as the original, and
6563 * copy the contents of the buffer pointed to by CONV_ARG into it.
6565 g_assert (t->byref);
6566 mono_mb_emit_ldarg (mb, argnum);
6567 mono_mb_emit_ldloc (mb, conv_arg);
6568 mono_mb_emit_ldarg (mb, argnum);
6569 mono_mb_emit_byte (mb, CEE_LDIND_I);
6570 mono_mb_emit_managed_call (mb, m, NULL);
6571 mono_mb_emit_icall (mb, mono_string_new_len_wrapper);
6572 mono_mb_emit_byte (mb, CEE_STIND_REF);
6573 } else if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT || !(t->attrs & PARAM_ATTRIBUTE_IN))) {
6574 mono_mb_emit_ldarg (mb, argnum);
6575 mono_mb_emit_ldloc (mb, conv_arg);
6576 mono_mb_emit_icall (mb, conv_to_icall (conv));
6577 mono_mb_emit_byte (mb, CEE_STIND_REF);
6582 mono_mb_emit_ldloc (mb, conv_arg);
6583 if (conv == MONO_MARSHAL_CONV_BSTR_STR)
6584 mono_mb_emit_icall (mb, mono_free_bstr);
6586 mono_mb_emit_icall (mb, mono_marshal_free);
6590 case MARSHAL_ACTION_PUSH:
6591 if (t->byref && encoding != MONO_NATIVE_VBBYREFSTR)
6592 mono_mb_emit_ldloc_addr (mb, conv_arg);
6594 mono_mb_emit_ldloc (mb, conv_arg);
6597 case MARSHAL_ACTION_CONV_RESULT:
6598 mono_mb_emit_stloc (mb, 0);
6600 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
6602 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
6603 mono_mb_emit_exception_marshal_directive (mb, msg);
6607 mono_mb_emit_ldloc (mb, 0);
6608 mono_mb_emit_icall (mb, conv_to_icall (conv));
6609 mono_mb_emit_stloc (mb, 3);
6611 /* free the string */
6612 mono_mb_emit_ldloc (mb, 0);
6613 if (conv == MONO_MARSHAL_CONV_BSTR_STR)
6614 mono_mb_emit_icall (mb, mono_free_bstr);
6616 mono_mb_emit_icall (mb, mono_marshal_free);
6619 case MARSHAL_ACTION_MANAGED_CONV_IN:
6620 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
6622 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6625 if (t->attrs & PARAM_ATTRIBUTE_OUT)
6629 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
6631 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
6632 mono_mb_emit_exception_marshal_directive (mb, msg);
6636 mono_mb_emit_ldarg (mb, argnum);
6638 mono_mb_emit_byte (mb, CEE_LDIND_I);
6639 mono_mb_emit_icall (mb, conv_to_icall (conv));
6640 mono_mb_emit_stloc (mb, conv_arg);
6643 case MARSHAL_ACTION_MANAGED_CONV_OUT:
6646 mono_mb_emit_ldarg (mb, argnum);
6647 mono_mb_emit_ldloc (mb, conv_arg);
6648 mono_mb_emit_icall (mb, conv_to_icall (conv));
6649 mono_mb_emit_byte (mb, CEE_STIND_I);
6654 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
6655 if (conv_to_icall (conv) == mono_marshal_string_to_utf16)
6656 /* We need to make a copy so the caller is able to free it */
6657 mono_mb_emit_icall (mb, mono_marshal_string_to_utf16_copy);
6659 mono_mb_emit_icall (mb, conv_to_icall (conv));
6660 mono_mb_emit_stloc (mb, 3);
6664 g_assert_not_reached ();
6672 emit_marshal_safehandle (EmitMarshalContext *m, int argnum, MonoType *t,
6673 MonoMarshalSpec *spec, int conv_arg,
6674 MonoType **conv_arg_type, MarshalAction action)
6677 if (action == MARSHAL_ACTION_CONV_IN)
6678 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6680 MonoMethodBuilder *mb = m->mb;
6683 case MARSHAL_ACTION_CONV_IN: {
6684 MonoType *intptr_type;
6685 int dar_release_slot, pos;
6687 intptr_type = &mono_defaults.int_class->byval_arg;
6688 conv_arg = mono_mb_add_local (mb, intptr_type);
6689 *conv_arg_type = intptr_type;
6691 if (!sh_dangerous_add_ref)
6692 init_safe_handle ();
6694 mono_mb_emit_ldarg (mb, argnum);
6695 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
6696 mono_mb_emit_exception (mb, "ArgumentNullException", NULL);
6698 mono_mb_patch_branch (mb, pos);
6701 * My tests in show that ref SafeHandles are not really
6702 * passed as ref objects. Instead a NULL is passed as the
6705 mono_mb_emit_icon (mb, 0);
6706 mono_mb_emit_stloc (mb, conv_arg);
6710 /* Create local to hold the ref parameter to DangerousAddRef */
6711 dar_release_slot = mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
6713 /* set release = false; */
6714 mono_mb_emit_icon (mb, 0);
6715 mono_mb_emit_stloc (mb, dar_release_slot);
6717 /* safehandle.DangerousAddRef (ref release) */
6718 mono_mb_emit_ldarg (mb, argnum);
6719 mono_mb_emit_ldloc_addr (mb, dar_release_slot);
6720 mono_mb_emit_managed_call (mb, sh_dangerous_add_ref, NULL);
6722 /* Pull the handle field from SafeHandle */
6723 mono_mb_emit_ldarg (mb, argnum);
6724 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoSafeHandle, handle));
6725 mono_mb_emit_byte (mb, CEE_LDIND_I);
6726 mono_mb_emit_stloc (mb, conv_arg);
6731 case MARSHAL_ACTION_PUSH:
6733 mono_mb_emit_ldloc_addr (mb, conv_arg);
6735 mono_mb_emit_ldloc (mb, conv_arg);
6738 case MARSHAL_ACTION_CONV_OUT: {
6739 /* The slot for the boolean is the next temporary created after conv_arg, see the CONV_IN code */
6740 int dar_release_slot = conv_arg + 1;
6743 if (!sh_dangerous_release)
6744 init_safe_handle ();
6750 * My tests indicate that ref SafeHandles parameters are not actually
6751 * passed by ref, but instead a new Handle is created regardless of
6752 * whether a change happens in the unmanaged side.
6754 * Also, the Handle is created before calling into unmanaged code,
6755 * but we do not support that mechanism (getting to the original
6756 * handle) and it makes no difference where we create this
6758 ctor = mono_class_get_method_from_name (t->data.klass, ".ctor", 0);
6760 mono_mb_emit_exception (mb, "MissingMethodException", "paramterless constructor required");
6763 /* refval = new SafeHandleDerived ()*/
6764 mono_mb_emit_ldarg (mb, argnum);
6765 mono_mb_emit_op (mb, CEE_NEWOBJ, ctor);
6766 mono_mb_emit_byte (mb, CEE_STIND_REF);
6768 /* refval.handle = returned_handle */
6769 mono_mb_emit_ldarg (mb, argnum);
6770 mono_mb_emit_byte (mb, CEE_LDIND_REF);
6771 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoSafeHandle, handle));
6772 mono_mb_emit_ldloc (mb, conv_arg);
6773 mono_mb_emit_byte (mb, CEE_STIND_I);
6775 mono_mb_emit_ldloc (mb, dar_release_slot);
6776 label_next = mono_mb_emit_branch (mb, CEE_BRFALSE);
6777 mono_mb_emit_ldarg (mb, argnum);
6778 mono_mb_emit_managed_call (mb, sh_dangerous_release, NULL);
6779 mono_mb_patch_branch (mb, label_next);
6784 case MARSHAL_ACTION_CONV_RESULT: {
6785 MonoMethod *ctor = NULL;
6786 int intptr_handle_slot;
6788 if (t->data.klass->flags & TYPE_ATTRIBUTE_ABSTRACT){
6789 mono_mb_emit_byte (mb, CEE_POP);
6790 mono_mb_emit_exception_marshal_directive (mb, g_strdup ("Returned SafeHandles should not be abstract"));
6794 ctor = mono_class_get_method_from_name (t->data.klass, ".ctor", 0);
6796 mono_mb_emit_byte (mb, CEE_POP);
6797 mono_mb_emit_exception (mb, "MissingMethodException", "paramterless constructor required");
6800 /* Store the IntPtr results into a local */
6801 intptr_handle_slot = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6802 mono_mb_emit_stloc (mb, intptr_handle_slot);
6804 /* Create return value */
6805 mono_mb_emit_op (mb, CEE_NEWOBJ, ctor);
6806 mono_mb_emit_stloc (mb, 3);
6808 /* Set the return.handle to the value, am using ldflda, not sure if thats a good idea */
6809 mono_mb_emit_ldloc (mb, 3);
6810 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoSafeHandle, handle));
6811 mono_mb_emit_ldloc (mb, intptr_handle_slot);
6812 mono_mb_emit_byte (mb, CEE_STIND_I);
6816 case MARSHAL_ACTION_MANAGED_CONV_IN:
6817 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_IN\n");
6820 case MARSHAL_ACTION_MANAGED_CONV_OUT:
6821 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_OUT\n");
6824 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
6825 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_RESULT\n");
6828 printf ("Unhandled case for MarshalAction: %d\n", action);
6836 emit_marshal_handleref (EmitMarshalContext *m, int argnum, MonoType *t,
6837 MonoMarshalSpec *spec, int conv_arg,
6838 MonoType **conv_arg_type, MarshalAction action)
6841 if (action == MARSHAL_ACTION_CONV_IN)
6842 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6844 MonoMethodBuilder *mb = m->mb;
6847 case MARSHAL_ACTION_CONV_IN: {
6848 MonoType *intptr_type;
6850 intptr_type = &mono_defaults.int_class->byval_arg;
6851 conv_arg = mono_mb_add_local (mb, intptr_type);
6852 *conv_arg_type = intptr_type;
6855 char *msg = g_strdup ("HandleRefs can not be returned from unmanaged code (or passed by ref)");
6856 mono_mb_emit_exception_marshal_directive (mb, msg);
6859 mono_mb_emit_ldarg_addr (mb, argnum);
6860 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoHandleRef, handle));
6861 mono_mb_emit_byte (mb, CEE_ADD);
6862 mono_mb_emit_byte (mb, CEE_LDIND_I);
6863 mono_mb_emit_stloc (mb, conv_arg);
6867 case MARSHAL_ACTION_PUSH:
6868 mono_mb_emit_ldloc (mb, conv_arg);
6871 case MARSHAL_ACTION_CONV_OUT: {
6872 /* no resource release required */
6876 case MARSHAL_ACTION_CONV_RESULT: {
6877 char *msg = g_strdup ("HandleRefs can not be returned from unmanaged code (or passed by ref)");
6878 mono_mb_emit_exception_marshal_directive (mb, msg);
6882 case MARSHAL_ACTION_MANAGED_CONV_IN:
6883 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_IN\n");
6886 case MARSHAL_ACTION_MANAGED_CONV_OUT:
6887 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_OUT\n");
6890 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
6891 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_RESULT\n");
6894 fprintf (stderr, "Unhandled case for MarshalAction: %d\n", action);
6902 emit_marshal_object (EmitMarshalContext *m, int argnum, MonoType *t,
6903 MonoMarshalSpec *spec,
6904 int conv_arg, MonoType **conv_arg_type,
6905 MarshalAction action)
6908 if (action == MARSHAL_ACTION_CONV_IN)
6909 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6911 MonoMethodBuilder *mb = m->mb;
6912 MonoClass *klass = mono_class_from_mono_type (t);
6916 case MARSHAL_ACTION_CONV_IN:
6917 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6918 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6920 m->orig_conv_args [argnum] = 0;
6922 if (mono_class_from_mono_type (t) == mono_defaults.object_class) {
6923 char *msg = g_strdup_printf ("Marshalling of type object is not implemented");
6924 mono_mb_emit_exception_marshal_directive (mb, msg);
6928 if (klass->delegate) {
6930 if (!(t->attrs & PARAM_ATTRIBUTE_OUT)) {
6931 char *msg = g_strdup_printf ("Byref marshalling of delegates is not implemented.");
6932 mono_mb_emit_exception_marshal_directive (mb, msg);
6934 mono_mb_emit_byte (mb, CEE_LDNULL);
6935 mono_mb_emit_stloc (mb, conv_arg);
6937 mono_mb_emit_ldarg (mb, argnum);
6938 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_DEL_FTN));
6939 mono_mb_emit_stloc (mb, conv_arg);
6941 } else if (klass == mono_defaults.stringbuilder_class) {
6942 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
6943 MonoMarshalConv conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
6947 if (!(t->attrs & PARAM_ATTRIBUTE_OUT)) {
6948 char *msg = g_strdup_printf ("Byref marshalling of stringbuilders is not implemented.");
6949 mono_mb_emit_exception_marshal_directive (mb, msg);
6955 if (t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && (t->attrs & PARAM_ATTRIBUTE_OUT))
6959 char *msg = g_strdup_printf ("stringbuilder marshalling conversion %d not implemented", encoding);
6960 mono_mb_emit_exception_marshal_directive (mb, msg);
6964 mono_mb_emit_ldarg (mb, argnum);
6966 mono_mb_emit_byte (mb, CEE_LDIND_I);
6968 mono_mb_emit_icall (mb, conv_to_icall (conv));
6969 mono_mb_emit_stloc (mb, conv_arg);
6970 } else if (klass->blittable) {
6971 mono_mb_emit_byte (mb, CEE_LDNULL);
6972 mono_mb_emit_stloc (mb, conv_arg);
6974 mono_mb_emit_ldarg (mb, argnum);
6975 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6977 mono_mb_emit_ldarg (mb, argnum);
6978 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6979 mono_mb_emit_stloc (mb, conv_arg);
6981 mono_mb_patch_branch (mb, pos);
6984 mono_mb_emit_byte (mb, CEE_LDNULL);
6985 mono_mb_emit_stloc (mb, conv_arg);
6988 /* we dont need any conversions for out parameters */
6989 if (t->attrs & PARAM_ATTRIBUTE_OUT)
6992 mono_mb_emit_ldarg (mb, argnum);
6993 mono_mb_emit_byte (mb, CEE_LDIND_I);
6996 mono_mb_emit_ldarg (mb, argnum);
6997 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6998 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
7001 /* store the address of the source into local variable 0 */
7002 mono_mb_emit_stloc (mb, 0);
7003 mono_mb_emit_ldloc (mb, 0);
7004 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
7006 /* allocate space for the native struct and store the address */
7007 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
7008 mono_mb_emit_byte (mb, CEE_PREFIX1);
7009 mono_mb_emit_byte (mb, CEE_LOCALLOC);
7010 mono_mb_emit_stloc (mb, conv_arg);
7013 /* Need to store the original buffer so we can free it later */
7014 m->orig_conv_args [argnum] = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7015 mono_mb_emit_ldloc (mb, conv_arg);
7016 mono_mb_emit_stloc (mb, m->orig_conv_args [argnum]);
7019 /* set the src_ptr */
7020 mono_mb_emit_ldloc (mb, 0);
7021 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
7022 mono_mb_emit_stloc (mb, 0);
7025 mono_mb_emit_ldloc (mb, conv_arg);
7026 mono_mb_emit_stloc (mb, 1);
7028 /* emit valuetype conversion code */
7029 emit_struct_conv (mb, klass, FALSE);
7031 mono_mb_patch_branch (mb, pos);
7035 case MARSHAL_ACTION_CONV_OUT:
7036 if (klass == mono_defaults.stringbuilder_class) {
7038 MonoMarshalNative encoding;
7039 MonoMarshalConv conv;
7041 encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
7042 conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free);
7044 g_assert (encoding != -1);
7047 //g_assert (!(t->attrs & PARAM_ATTRIBUTE_OUT));
7051 mono_mb_emit_ldarg (mb, argnum);
7052 mono_mb_emit_ldloc (mb, conv_arg);
7055 case MONO_NATIVE_LPWSTR:
7056 mono_mb_emit_icall (mb, mono_string_utf16_to_builder2);
7058 case MONO_NATIVE_LPSTR:
7059 mono_mb_emit_icall (mb, mono_string_utf8_to_builder2);
7062 g_assert_not_reached ();
7065 mono_mb_emit_byte (mb, CEE_STIND_REF);
7067 mono_mb_emit_ldarg (mb, argnum);
7068 mono_mb_emit_ldloc (mb, conv_arg);
7070 mono_mb_emit_icall (mb, conv_to_icall (conv));
7074 mono_mb_emit_ldloc (mb, conv_arg);
7075 mono_mb_emit_icall (mb, mono_marshal_free);
7080 if (klass->delegate) {
7082 mono_mb_emit_ldarg (mb, argnum);
7083 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
7084 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
7085 mono_mb_emit_ldloc (mb, conv_arg);
7086 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_FTN_DEL));
7087 mono_mb_emit_byte (mb, CEE_STIND_REF);
7092 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT)) {
7093 /* allocate a new object */
7094 mono_mb_emit_ldarg (mb, argnum);
7095 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
7096 mono_mb_emit_op (mb, CEE_MONO_NEWOBJ, klass);
7097 mono_mb_emit_byte (mb, CEE_STIND_REF);
7100 /* dst = *argument */
7101 mono_mb_emit_ldarg (mb, argnum);
7104 mono_mb_emit_byte (mb, CEE_LDIND_I);
7106 mono_mb_emit_stloc (mb, 1);
7108 mono_mb_emit_ldloc (mb, 1);
7109 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
7111 if (t->byref || (t->attrs & PARAM_ATTRIBUTE_OUT)) {
7112 mono_mb_emit_ldloc (mb, 1);
7113 mono_mb_emit_icon (mb, sizeof (MonoObject));
7114 mono_mb_emit_byte (mb, CEE_ADD);
7115 mono_mb_emit_stloc (mb, 1);
7117 /* src = tmp_locals [i] */
7118 mono_mb_emit_ldloc (mb, conv_arg);
7119 mono_mb_emit_stloc (mb, 0);
7121 /* emit valuetype conversion code */
7122 emit_struct_conv (mb, klass, TRUE);
7124 /* Free the structure returned by the native code */
7125 emit_struct_free (mb, klass, conv_arg);
7127 if (m->orig_conv_args [argnum]) {
7129 * If the native function changed the pointer, then free
7130 * the original structure plus the new pointer.
7132 mono_mb_emit_ldloc (mb, m->orig_conv_args [argnum]);
7133 mono_mb_emit_ldloc (mb, conv_arg);
7134 pos2 = mono_mb_emit_branch (mb, CEE_BEQ);
7136 if (!(t->attrs & PARAM_ATTRIBUTE_OUT)) {
7137 g_assert (m->orig_conv_args [argnum]);
7139 emit_struct_free (mb, klass, m->orig_conv_args [argnum]);
7142 mono_mb_emit_ldloc (mb, conv_arg);
7143 mono_mb_emit_icall (mb, mono_marshal_free);
7145 mono_mb_patch_branch (mb, pos2);
7149 /* Free the original structure passed to native code */
7150 emit_struct_free (mb, klass, conv_arg);
7152 mono_mb_patch_branch (mb, pos);
7155 case MARSHAL_ACTION_PUSH:
7157 mono_mb_emit_ldloc_addr (mb, conv_arg);
7159 mono_mb_emit_ldloc (mb, conv_arg);
7162 case MARSHAL_ACTION_CONV_RESULT:
7163 if (klass->delegate) {
7164 g_assert (!t->byref);
7165 mono_mb_emit_stloc (mb, 0);
7166 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
7167 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
7168 mono_mb_emit_ldloc (mb, 0);
7169 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_FTN_DEL));
7170 mono_mb_emit_stloc (mb, 3);
7173 mono_mb_emit_stloc (mb, 0);
7175 /* Make a copy since emit_conv modifies local 0 */
7176 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7177 mono_mb_emit_ldloc (mb, 0);
7178 mono_mb_emit_stloc (mb, loc);
7180 mono_mb_emit_byte (mb, CEE_LDNULL);
7181 mono_mb_emit_stloc (mb, 3);
7183 mono_mb_emit_ldloc (mb, 0);
7184 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
7186 /* allocate result object */
7188 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
7189 mono_mb_emit_op (mb, CEE_MONO_NEWOBJ, klass);
7190 mono_mb_emit_stloc (mb, 3);
7194 mono_mb_emit_ldloc (mb, 3);
7195 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
7196 mono_mb_emit_stloc (mb, 1);
7198 /* emit conversion code */
7199 emit_struct_conv (mb, klass, TRUE);
7201 emit_struct_free (mb, klass, loc);
7203 /* Free the pointer allocated by unmanaged code */
7204 mono_mb_emit_ldloc (mb, loc);
7205 mono_mb_emit_icall (mb, mono_marshal_free);
7206 mono_mb_patch_branch (mb, pos);
7210 case MARSHAL_ACTION_MANAGED_CONV_IN:
7211 conv_arg = mono_mb_add_local (mb, &klass->byval_arg);
7213 if (klass->delegate) {
7214 g_assert (!t->byref);
7215 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
7216 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
7217 mono_mb_emit_ldarg (mb, argnum);
7218 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_FTN_DEL));
7219 mono_mb_emit_stloc (mb, conv_arg);
7223 if (klass == mono_defaults.stringbuilder_class) {
7224 MonoMarshalNative encoding;
7226 encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
7229 g_assert (encoding == MONO_NATIVE_LPSTR);
7231 g_assert (!t->byref);
7232 g_assert (encoding != -1);
7234 mono_mb_emit_ldarg (mb, argnum);
7235 mono_mb_emit_icall (mb, mono_string_utf8_to_builder2);
7236 mono_mb_emit_stloc (mb, conv_arg);
7240 /* The class can not have an automatic layout */
7241 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
7242 mono_mb_emit_auto_layout_exception (mb, klass);
7246 if (t->attrs & PARAM_ATTRIBUTE_OUT) {
7247 mono_mb_emit_byte (mb, CEE_LDNULL);
7248 mono_mb_emit_stloc (mb, conv_arg);
7253 mono_mb_emit_ldarg (mb, argnum);
7257 /* Check for NULL and raise an exception */
7258 pos2 = mono_mb_emit_branch (mb, CEE_BRTRUE);
7260 mono_mb_emit_exception (mb, "ArgumentNullException", NULL);
7262 mono_mb_patch_branch (mb, pos2);
7263 mono_mb_emit_ldarg (mb, argnum);
7264 mono_mb_emit_byte (mb, CEE_LDIND_I);
7267 mono_mb_emit_stloc (mb, 0);
7269 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7270 mono_mb_emit_stloc (mb, conv_arg);
7272 mono_mb_emit_ldloc (mb, 0);
7273 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
7275 /* Create and set dst */
7276 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
7277 mono_mb_emit_op (mb, CEE_MONO_NEWOBJ, klass);
7278 mono_mb_emit_stloc (mb, conv_arg);
7279 mono_mb_emit_ldloc (mb, conv_arg);
7280 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
7281 mono_mb_emit_stloc (mb, 1);
7283 /* emit valuetype conversion code */
7284 emit_struct_conv (mb, klass, TRUE);
7286 mono_mb_patch_branch (mb, pos);
7289 case MARSHAL_ACTION_MANAGED_CONV_OUT:
7291 /* Check for null */
7292 mono_mb_emit_ldloc (mb, conv_arg);
7293 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
7294 mono_mb_emit_ldarg (mb, argnum);
7295 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7296 mono_mb_emit_byte (mb, CEE_STIND_REF);
7297 pos2 = mono_mb_emit_branch (mb, CEE_BR);
7299 mono_mb_patch_branch (mb, pos);
7302 mono_mb_emit_ldloc (mb, conv_arg);
7303 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
7304 mono_mb_emit_stloc (mb, 0);
7306 /* Allocate and set dest */
7307 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
7308 mono_mb_emit_byte (mb, CEE_CONV_I);
7309 mono_mb_emit_icall (mb, mono_marshal_alloc);
7310 mono_mb_emit_stloc (mb, 1);
7312 /* Update argument pointer */
7313 mono_mb_emit_ldarg (mb, argnum);
7314 mono_mb_emit_ldloc (mb, 1);
7315 mono_mb_emit_byte (mb, CEE_STIND_I);
7317 /* emit valuetype conversion code */
7318 emit_struct_conv (mb, klass, FALSE);
7320 mono_mb_patch_branch (mb, pos2);
7322 /* byval [Out] marshalling */
7324 /* FIXME: Handle null */
7327 mono_mb_emit_ldloc (mb, conv_arg);
7328 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
7329 mono_mb_emit_stloc (mb, 0);
7332 mono_mb_emit_ldarg (mb, argnum);
7333 mono_mb_emit_stloc (mb, 1);
7335 /* emit valuetype conversion code */
7336 emit_struct_conv (mb, klass, FALSE);
7340 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
7341 if (klass->delegate) {
7342 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_DEL_FTN));
7343 mono_mb_emit_stloc (mb, 3);
7347 /* The class can not have an automatic layout */
7348 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
7349 mono_mb_emit_auto_layout_exception (mb, klass);
7353 mono_mb_emit_stloc (mb, 0);
7354 /* Check for null */
7355 mono_mb_emit_ldloc (mb, 0);
7356 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
7357 mono_mb_emit_byte (mb, CEE_LDNULL);
7358 mono_mb_emit_stloc (mb, 3);
7359 pos2 = mono_mb_emit_branch (mb, CEE_BR);
7361 mono_mb_patch_branch (mb, pos);
7364 mono_mb_emit_ldloc (mb, 0);
7365 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
7366 mono_mb_emit_stloc (mb, 0);
7368 /* Allocate and set dest */
7369 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
7370 mono_mb_emit_byte (mb, CEE_CONV_I);
7371 mono_mb_emit_icall (mb, mono_marshal_alloc);
7372 mono_mb_emit_byte (mb, CEE_DUP);
7373 mono_mb_emit_stloc (mb, 1);
7374 mono_mb_emit_stloc (mb, 3);
7376 emit_struct_conv (mb, klass, FALSE);
7378 mono_mb_patch_branch (mb, pos2);
7382 g_assert_not_reached ();
7393 emit_marshal_variant (EmitMarshalContext *m, int argnum, MonoType *t,
7394 MonoMarshalSpec *spec,
7395 int conv_arg, MonoType **conv_arg_type,
7396 MarshalAction action)
7398 MonoMethodBuilder *mb = m->mb;
7399 static MonoMethod *get_object_for_native_variant = NULL;
7400 static MonoMethod *get_native_variant_for_object = NULL;
7402 if (!get_object_for_native_variant)
7403 get_object_for_native_variant = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetObjectForNativeVariant", 1);
7404 g_assert (get_object_for_native_variant);
7406 if (!get_native_variant_for_object)
7407 get_native_variant_for_object = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetNativeVariantForObject", 2);
7408 g_assert (get_native_variant_for_object);
7411 case MARSHAL_ACTION_CONV_IN: {
7412 conv_arg = mono_mb_add_local (mb, &mono_class_get_variant_class ()->byval_arg);
7415 *conv_arg_type = &mono_class_get_variant_class ()->this_arg;
7417 *conv_arg_type = &mono_class_get_variant_class ()->byval_arg;
7419 if (t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && t->attrs & PARAM_ATTRIBUTE_OUT)
7422 mono_mb_emit_ldarg (mb, argnum);
7424 mono_mb_emit_byte(mb, CEE_LDIND_REF);
7425 mono_mb_emit_ldloc_addr (mb, conv_arg);
7426 mono_mb_emit_managed_call (mb, get_native_variant_for_object, NULL);
7430 case MARSHAL_ACTION_CONV_OUT: {
7431 static MonoMethod *variant_clear = NULL;
7434 variant_clear = mono_class_get_method_from_name (mono_class_get_variant_class (), "Clear", 0);
7435 g_assert (variant_clear);
7438 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT || !(t->attrs & PARAM_ATTRIBUTE_IN))) {
7439 mono_mb_emit_ldarg (mb, argnum);
7440 mono_mb_emit_ldloc_addr (mb, conv_arg);
7441 mono_mb_emit_managed_call (mb, get_object_for_native_variant, NULL);
7442 mono_mb_emit_byte (mb, CEE_STIND_REF);
7445 mono_mb_emit_ldloc_addr (mb, conv_arg);
7446 mono_mb_emit_managed_call (mb, variant_clear, NULL);
7450 case MARSHAL_ACTION_PUSH:
7452 mono_mb_emit_ldloc_addr (mb, conv_arg);
7454 mono_mb_emit_ldloc (mb, conv_arg);
7457 case MARSHAL_ACTION_CONV_RESULT: {
7458 char *msg = g_strdup ("Marshalling of VARIANT not supported as a return type.");
7459 mono_mb_emit_exception_marshal_directive (mb, msg);
7463 case MARSHAL_ACTION_MANAGED_CONV_IN: {
7464 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
7467 *conv_arg_type = &mono_class_get_variant_class ()->this_arg;
7469 *conv_arg_type = &mono_class_get_variant_class ()->byval_arg;
7471 if (t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && t->attrs & PARAM_ATTRIBUTE_OUT)
7475 mono_mb_emit_ldarg (mb, argnum);
7477 mono_mb_emit_ldarg_addr (mb, argnum);
7478 mono_mb_emit_managed_call (mb, get_object_for_native_variant, NULL);
7479 mono_mb_emit_stloc (mb, conv_arg);
7483 case MARSHAL_ACTION_MANAGED_CONV_OUT: {
7484 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT || !(t->attrs & PARAM_ATTRIBUTE_IN))) {
7485 mono_mb_emit_ldloc (mb, conv_arg);
7486 mono_mb_emit_ldarg (mb, argnum);
7487 mono_mb_emit_managed_call (mb, get_native_variant_for_object, NULL);
7492 case MARSHAL_ACTION_MANAGED_CONV_RESULT: {
7493 char *msg = g_strdup ("Marshalling of VARIANT not supported as a return type.");
7494 mono_mb_emit_exception_marshal_directive (mb, msg);
7499 g_assert_not_reached ();
7505 #endif /* DISABLE_COM */
7506 #endif /* DISABLE_JIT */
7509 mono_pinvoke_is_unicode (MonoMethodPInvoke *piinfo)
7511 switch (piinfo->piflags & PINVOKE_ATTRIBUTE_CHAR_SET_MASK) {
7512 case PINVOKE_ATTRIBUTE_CHAR_SET_ANSI:
7514 case PINVOKE_ATTRIBUTE_CHAR_SET_UNICODE:
7516 case PINVOKE_ATTRIBUTE_CHAR_SET_AUTO:
7528 emit_marshal_array (EmitMarshalContext *m, int argnum, MonoType *t,
7529 MonoMarshalSpec *spec,
7530 int conv_arg, MonoType **conv_arg_type,
7531 MarshalAction action)
7535 case MARSHAL_ACTION_CONV_IN:
7536 *conv_arg_type = &mono_defaults.object_class->byval_arg;
7538 case MARSHAL_ACTION_MANAGED_CONV_IN:
7539 *conv_arg_type = &mono_defaults.int_class->byval_arg;
7543 MonoMethodBuilder *mb = m->mb;
7544 MonoClass *klass = mono_class_from_mono_type (t);
7545 gboolean need_convert, need_free;
7546 MonoMarshalNative encoding;
7548 encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
7551 case MARSHAL_ACTION_CONV_IN:
7552 *conv_arg_type = &mono_defaults.object_class->byval_arg;
7553 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
7555 if (klass->element_class->blittable) {
7556 mono_mb_emit_ldarg (mb, argnum);
7558 mono_mb_emit_byte (mb, CEE_LDIND_I);
7559 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_ARRAY_LPARRAY));
7560 mono_mb_emit_stloc (mb, conv_arg);
7563 guint32 label1, label2, label3;
7564 int index_var, src_var, dest_ptr, esize;
7565 MonoMarshalConv conv;
7566 gboolean is_string = FALSE;
7568 dest_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7570 eklass = klass->element_class;
7572 if (eklass == mono_defaults.string_class) {
7574 conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
7576 else if (eklass == mono_defaults.stringbuilder_class) {
7578 conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
7583 if (is_string && conv == -1) {
7584 char *msg = g_strdup_printf ("string/stringbuilder marshalling conversion %d not implemented", encoding);
7585 mono_mb_emit_exception_marshal_directive (mb, msg);
7589 src_var = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
7590 mono_mb_emit_ldarg (mb, argnum);
7592 mono_mb_emit_byte (mb, CEE_LDIND_I);
7593 mono_mb_emit_stloc (mb, src_var);
7596 mono_mb_emit_ldloc (mb, src_var);
7597 mono_mb_emit_stloc (mb, conv_arg);
7598 mono_mb_emit_ldloc (mb, src_var);
7599 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
7602 esize = sizeof (gpointer);
7603 else if (eklass == mono_defaults.char_class) /*can't call mono_marshal_type_size since it causes all sorts of asserts*/
7604 esize = mono_pinvoke_is_unicode (m->piinfo) ? 2 : 1;
7606 esize = mono_class_native_size (eklass, NULL);
7608 /* allocate space for the native struct and store the address */
7609 mono_mb_emit_icon (mb, esize);
7610 mono_mb_emit_ldloc (mb, src_var);
7611 mono_mb_emit_byte (mb, CEE_LDLEN);
7613 if (eklass == mono_defaults.string_class) {
7614 /* Make the array bigger for the terminating null */
7615 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
7616 mono_mb_emit_byte (mb, CEE_ADD);
7618 mono_mb_emit_byte (mb, CEE_MUL);
7619 mono_mb_emit_byte (mb, CEE_PREFIX1);
7620 mono_mb_emit_byte (mb, CEE_LOCALLOC);
7621 mono_mb_emit_stloc (mb, conv_arg);
7623 mono_mb_emit_ldloc (mb, conv_arg);
7624 mono_mb_emit_stloc (mb, dest_ptr);
7626 /* Emit marshalling loop */
7627 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7628 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7629 mono_mb_emit_stloc (mb, index_var);
7630 label2 = mono_mb_get_label (mb);
7631 mono_mb_emit_ldloc (mb, index_var);
7632 mono_mb_emit_ldloc (mb, src_var);
7633 mono_mb_emit_byte (mb, CEE_LDLEN);
7634 label3 = mono_mb_emit_branch (mb, CEE_BGE);
7636 /* Emit marshalling code */
7639 mono_mb_emit_ldloc (mb, dest_ptr);
7640 mono_mb_emit_ldloc (mb, src_var);
7641 mono_mb_emit_ldloc (mb, index_var);
7642 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
7643 mono_mb_emit_icall (mb, conv_to_icall (conv));
7644 mono_mb_emit_byte (mb, CEE_STIND_I);
7646 /* set the src_ptr */
7647 mono_mb_emit_ldloc (mb, src_var);
7648 mono_mb_emit_ldloc (mb, index_var);
7649 mono_mb_emit_op (mb, CEE_LDELEMA, eklass);
7650 mono_mb_emit_stloc (mb, 0);
7653 mono_mb_emit_ldloc (mb, dest_ptr);
7654 mono_mb_emit_stloc (mb, 1);
7656 /* emit valuetype conversion code */
7657 emit_struct_conv_full (mb, eklass, FALSE, eklass == mono_defaults.char_class ? encoding : -1);
7660 mono_mb_emit_add_to_local (mb, index_var, 1);
7661 mono_mb_emit_add_to_local (mb, dest_ptr, esize);
7663 mono_mb_emit_branch_label (mb, CEE_BR, label2);
7665 mono_mb_patch_branch (mb, label3);
7667 if (eklass == mono_defaults.string_class) {
7668 /* Null terminate */
7669 mono_mb_emit_ldloc (mb, dest_ptr);
7670 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7671 mono_mb_emit_byte (mb, CEE_STIND_REF);
7674 mono_mb_patch_branch (mb, label1);
7679 case MARSHAL_ACTION_CONV_OUT:
7680 /* Unicode character arrays are implicitly marshalled as [Out] under MS.NET */
7681 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);
7682 need_free = mono_marshal_need_free (&klass->element_class->byval_arg,
7685 if (need_convert || need_free) {
7686 /* FIXME: Optimize blittable case */
7688 guint32 label1, label2, label3;
7689 int index_var, src_ptr, loc, esize;
7691 eklass = klass->element_class;
7692 if ((eklass == mono_defaults.stringbuilder_class) || (eklass == mono_defaults.string_class))
7693 esize = sizeof (gpointer);
7694 else if (eklass == mono_defaults.char_class)
7695 esize = mono_pinvoke_is_unicode (m->piinfo) ? 2 : 1;
7697 esize = mono_class_native_size (eklass, NULL);
7698 src_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7699 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7702 mono_mb_emit_ldarg (mb, argnum);
7704 mono_mb_emit_byte (mb, CEE_LDIND_I);
7705 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
7707 mono_mb_emit_ldloc (mb, conv_arg);
7708 mono_mb_emit_stloc (mb, src_ptr);
7710 /* Emit marshalling loop */
7711 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7712 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7713 mono_mb_emit_stloc (mb, index_var);
7714 label2 = mono_mb_get_label (mb);
7715 mono_mb_emit_ldloc (mb, index_var);
7716 mono_mb_emit_ldarg (mb, argnum);
7718 mono_mb_emit_byte (mb, CEE_LDIND_REF);
7719 mono_mb_emit_byte (mb, CEE_LDLEN);
7720 label3 = mono_mb_emit_branch (mb, CEE_BGE);
7722 /* Emit marshalling code */
7724 if (eklass == mono_defaults.stringbuilder_class) {
7725 gboolean need_free2;
7726 MonoMarshalConv conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free2);
7728 g_assert (conv != -1);
7731 mono_mb_emit_ldarg (mb, argnum);
7733 mono_mb_emit_byte (mb, CEE_LDIND_I);
7734 mono_mb_emit_ldloc (mb, index_var);
7735 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
7738 mono_mb_emit_ldloc (mb, src_ptr);
7739 mono_mb_emit_byte (mb, CEE_LDIND_I);
7741 mono_mb_emit_icall (mb, conv_to_icall (conv));
7745 mono_mb_emit_ldloc (mb, src_ptr);
7746 mono_mb_emit_byte (mb, CEE_LDIND_I);
7748 mono_mb_emit_icall (mb, mono_marshal_free);
7751 else if (eklass == mono_defaults.string_class) {
7754 mono_mb_emit_ldloc (mb, src_ptr);
7755 mono_mb_emit_byte (mb, CEE_LDIND_I);
7757 mono_mb_emit_icall (mb, mono_marshal_free);
7762 /* set the src_ptr */
7763 mono_mb_emit_ldloc (mb, src_ptr);
7764 mono_mb_emit_stloc (mb, 0);
7767 mono_mb_emit_ldarg (mb, argnum);
7769 mono_mb_emit_byte (mb, CEE_LDIND_REF);
7770 mono_mb_emit_ldloc (mb, index_var);
7771 mono_mb_emit_op (mb, CEE_LDELEMA, eklass);
7772 mono_mb_emit_stloc (mb, 1);
7774 /* emit valuetype conversion code */
7775 emit_struct_conv_full (mb, eklass, TRUE, eklass == mono_defaults.char_class ? encoding : -1);
7779 mono_mb_emit_ldloc (mb, src_ptr);
7780 mono_mb_emit_stloc (mb, loc);
7781 mono_mb_emit_ldloc (mb, loc);
7783 emit_struct_free (mb, eklass, loc);
7787 mono_mb_emit_add_to_local (mb, index_var, 1);
7788 mono_mb_emit_add_to_local (mb, src_ptr, esize);
7790 mono_mb_emit_branch_label (mb, CEE_BR, label2);
7792 mono_mb_patch_branch (mb, label1);
7793 mono_mb_patch_branch (mb, label3);
7796 if (klass->element_class->blittable) {
7797 /* free memory allocated (if any) by MONO_MARSHAL_CONV_ARRAY_LPARRAY */
7799 mono_mb_emit_ldarg (mb, argnum);
7800 mono_mb_emit_ldloc (mb, conv_arg);
7801 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_FREE_LPARRAY));
7806 case MARSHAL_ACTION_PUSH:
7808 mono_mb_emit_ldloc_addr (mb, conv_arg);
7810 mono_mb_emit_ldloc (mb, conv_arg);
7813 case MARSHAL_ACTION_CONV_RESULT:
7814 /* fixme: we need conversions here */
7815 mono_mb_emit_stloc (mb, 3);
7818 case MARSHAL_ACTION_MANAGED_CONV_IN: {
7820 guint32 label1, label2, label3;
7821 int index_var, src_ptr, loc, esize, param_num, num_elem;
7822 MonoMarshalConv conv;
7823 gboolean is_string = FALSE;
7825 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
7826 *conv_arg_type = &mono_defaults.int_class->byval_arg;
7829 char *msg = g_strdup ("Byref array marshalling to managed code is not implemented.");
7830 mono_mb_emit_exception_marshal_directive (mb, msg);
7834 char *msg = g_strdup ("[MarshalAs] attribute required to marshal arrays to managed code.");
7835 mono_mb_emit_exception_marshal_directive (mb, msg);
7838 if (spec->native != MONO_NATIVE_LPARRAY) {
7839 char *msg = g_strdup ("Non LPArray marshalling of arrays to managed code is not implemented.");
7840 mono_mb_emit_exception_marshal_directive (mb, msg);
7844 /* FIXME: t is from the method which is wrapped, not the delegate type */
7845 /* g_assert (t->attrs & PARAM_ATTRIBUTE_IN); */
7847 param_num = spec->data.array_data.param_num;
7848 num_elem = spec->data.array_data.num_elem;
7849 if (spec->data.array_data.elem_mult == 0)
7850 /* param_num is not specified */
7853 if (param_num == -1) {
7854 if (num_elem <= 0) {
7855 char *msg = g_strdup ("Either SizeConst or SizeParamIndex should be specified when marshalling arrays to managed code.");
7856 mono_mb_emit_exception_marshal_directive (mb, msg);
7861 /* FIXME: Optimize blittable case */
7863 eklass = klass->element_class;
7864 if (eklass == mono_defaults.string_class) {
7866 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
7868 else if (eklass == mono_defaults.stringbuilder_class) {
7870 conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free);
7875 mono_marshal_load_type_info (eklass);
7878 esize = sizeof (gpointer);
7880 esize = mono_class_native_size (eklass, NULL);
7881 src_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7882 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7884 mono_mb_emit_byte (mb, CEE_LDNULL);
7885 mono_mb_emit_stloc (mb, conv_arg);
7887 /* Check param index */
7888 if (param_num != -1) {
7889 if (param_num >= m->sig->param_count) {
7890 char *msg = g_strdup ("Array size control parameter index is out of range.");
7891 mono_mb_emit_exception_marshal_directive (mb, msg);
7894 switch (m->sig->params [param_num]->type) {
7907 char *msg = g_strdup ("Array size control parameter must be an integral type.");
7908 mono_mb_emit_exception_marshal_directive (mb, msg);
7915 mono_mb_emit_ldarg (mb, argnum);
7916 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
7918 mono_mb_emit_ldarg (mb, argnum);
7919 mono_mb_emit_stloc (mb, src_ptr);
7921 /* Create managed array */
7923 * The LPArray marshalling spec says that sometimes param_num starts
7924 * from 1, sometimes it starts from 0. But MS seems to allways start
7928 if (param_num == -1) {
7929 mono_mb_emit_icon (mb, num_elem);
7931 mono_mb_emit_ldarg (mb, param_num);
7933 mono_mb_emit_icon (mb, num_elem);
7934 mono_mb_emit_byte (mb, CEE_ADD);
7936 mono_mb_emit_byte (mb, CEE_CONV_OVF_I);
7939 mono_mb_emit_op (mb, CEE_NEWARR, eklass);
7940 mono_mb_emit_stloc (mb, conv_arg);
7942 if (eklass->blittable) {
7943 mono_mb_emit_ldloc (mb, conv_arg);
7944 mono_mb_emit_byte (mb, CEE_CONV_I);
7945 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArray, vector));
7946 mono_mb_emit_byte (mb, CEE_ADD);
7947 mono_mb_emit_ldarg (mb, argnum);
7948 mono_mb_emit_ldloc (mb, conv_arg);
7949 mono_mb_emit_byte (mb, CEE_LDLEN);
7950 mono_mb_emit_icon (mb, esize);
7951 mono_mb_emit_byte (mb, CEE_MUL);
7952 mono_mb_emit_byte (mb, CEE_PREFIX1);
7953 mono_mb_emit_byte (mb, CEE_CPBLK);
7957 /* Emit marshalling loop */
7958 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7959 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7960 mono_mb_emit_stloc (mb, index_var);
7961 label2 = mono_mb_get_label (mb);
7962 mono_mb_emit_ldloc (mb, index_var);
7963 mono_mb_emit_ldloc (mb, conv_arg);
7964 mono_mb_emit_byte (mb, CEE_LDLEN);
7965 label3 = mono_mb_emit_branch (mb, CEE_BGE);
7967 /* Emit marshalling code */
7969 g_assert (conv != -1);
7971 mono_mb_emit_ldloc (mb, conv_arg);
7972 mono_mb_emit_ldloc (mb, index_var);
7974 mono_mb_emit_ldloc (mb, src_ptr);
7975 mono_mb_emit_byte (mb, CEE_LDIND_I);
7977 mono_mb_emit_icall (mb, conv_to_icall (conv));
7978 mono_mb_emit_byte (mb, CEE_STELEM_REF);
7981 char *msg = g_strdup ("Marshalling of non-string and non-blittable arrays to managed code is not implemented.");
7982 mono_mb_emit_exception_marshal_directive (mb, msg);
7986 mono_mb_emit_add_to_local (mb, index_var, 1);
7987 mono_mb_emit_add_to_local (mb, src_ptr, esize);
7989 mono_mb_emit_branch_label (mb, CEE_BR, label2);
7991 mono_mb_patch_branch (mb, label1);
7992 mono_mb_patch_branch (mb, label3);
7996 case MARSHAL_ACTION_MANAGED_CONV_OUT: {
7998 guint32 label1, label2, label3;
7999 int index_var, dest_ptr, loc, esize, param_num, num_elem;
8000 MonoMarshalConv conv;
8001 gboolean is_string = FALSE;
8004 /* Already handled in CONV_IN */
8007 /* These are already checked in CONV_IN */
8008 g_assert (!t->byref);
8009 g_assert (spec->native == MONO_NATIVE_LPARRAY);
8010 g_assert (t->attrs & PARAM_ATTRIBUTE_OUT);
8012 param_num = spec->data.array_data.param_num;
8013 num_elem = spec->data.array_data.num_elem;
8015 if (spec->data.array_data.elem_mult == 0)
8016 /* param_num is not specified */
8019 if (param_num == -1) {
8020 if (num_elem <= 0) {
8021 g_assert_not_reached ();
8025 /* FIXME: Optimize blittable case */
8027 eklass = klass->element_class;
8028 if (eklass == mono_defaults.string_class) {
8030 conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
8032 else if (eklass == mono_defaults.stringbuilder_class) {
8034 conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
8039 mono_marshal_load_type_info (eklass);
8042 esize = sizeof (gpointer);
8044 esize = mono_class_native_size (eklass, NULL);
8046 dest_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8047 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8050 mono_mb_emit_ldloc (mb, conv_arg);
8051 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
8053 mono_mb_emit_ldarg (mb, argnum);
8054 mono_mb_emit_stloc (mb, dest_ptr);
8056 if (eklass->blittable) {
8058 mono_mb_emit_ldarg (mb, argnum);
8060 mono_mb_emit_ldloc (mb, conv_arg);
8061 mono_mb_emit_byte (mb, CEE_CONV_I);
8062 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArray, vector));
8063 mono_mb_emit_byte (mb, CEE_ADD);
8065 mono_mb_emit_ldloc (mb, conv_arg);
8066 mono_mb_emit_byte (mb, CEE_LDLEN);
8067 mono_mb_emit_icon (mb, esize);
8068 mono_mb_emit_byte (mb, CEE_MUL);
8069 mono_mb_emit_byte (mb, CEE_PREFIX1);
8070 mono_mb_emit_byte (mb, CEE_CPBLK);
8074 /* Emit marshalling loop */
8075 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8076 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
8077 mono_mb_emit_stloc (mb, index_var);
8078 label2 = mono_mb_get_label (mb);
8079 mono_mb_emit_ldloc (mb, index_var);
8080 mono_mb_emit_ldloc (mb, conv_arg);
8081 mono_mb_emit_byte (mb, CEE_LDLEN);
8082 label3 = mono_mb_emit_branch (mb, CEE_BGE);
8084 /* Emit marshalling code */
8086 g_assert (conv != -1);
8089 mono_mb_emit_ldloc (mb, dest_ptr);
8092 mono_mb_emit_ldloc (mb, conv_arg);
8093 mono_mb_emit_ldloc (mb, index_var);
8095 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
8097 mono_mb_emit_icall (mb, conv_to_icall (conv));
8098 mono_mb_emit_byte (mb, CEE_STIND_I);
8101 char *msg = g_strdup ("Marshalling of non-string and non-blittable arrays to managed code is not implemented.");
8102 mono_mb_emit_exception_marshal_directive (mb, msg);
8106 mono_mb_emit_add_to_local (mb, index_var, 1);
8107 mono_mb_emit_add_to_local (mb, dest_ptr, esize);
8109 mono_mb_emit_branch_label (mb, CEE_BR, label2);
8111 mono_mb_patch_branch (mb, label1);
8112 mono_mb_patch_branch (mb, label3);
8116 case MARSHAL_ACTION_MANAGED_CONV_RESULT: {
8118 guint32 label1, label2, label3;
8119 int index_var, src, dest, esize;
8120 MonoMarshalConv conv = -1;
8121 gboolean is_string = FALSE;
8123 g_assert (!t->byref);
8125 eklass = klass->element_class;
8127 mono_marshal_load_type_info (eklass);
8129 if (eklass == mono_defaults.string_class) {
8131 conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
8134 g_assert_not_reached ();
8138 esize = sizeof (gpointer);
8139 else if (eklass == mono_defaults.char_class)
8140 esize = mono_pinvoke_is_unicode (m->piinfo) ? 2 : 1;
8142 esize = mono_class_native_size (eklass, NULL);
8144 src = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
8145 dest = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8147 mono_mb_emit_stloc (mb, src);
8148 mono_mb_emit_ldloc (mb, src);
8149 mono_mb_emit_stloc (mb, 3);
8151 /* Check for null */
8152 mono_mb_emit_ldloc (mb, src);
8153 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
8155 /* Allocate native array */
8156 mono_mb_emit_icon (mb, esize);
8157 mono_mb_emit_ldloc (mb, src);
8158 mono_mb_emit_byte (mb, CEE_LDLEN);
8160 if (eklass == mono_defaults.string_class) {
8161 /* Make the array bigger for the terminating null */
8162 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
8163 mono_mb_emit_byte (mb, CEE_ADD);
8165 mono_mb_emit_byte (mb, CEE_MUL);
8166 mono_mb_emit_icall (mb, mono_marshal_alloc);
8167 mono_mb_emit_stloc (mb, dest);
8168 mono_mb_emit_ldloc (mb, dest);
8169 mono_mb_emit_stloc (mb, 3);
8171 /* Emit marshalling loop */
8172 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8173 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
8174 mono_mb_emit_stloc (mb, index_var);
8175 label2 = mono_mb_get_label (mb);
8176 mono_mb_emit_ldloc (mb, index_var);
8177 mono_mb_emit_ldloc (mb, src);
8178 mono_mb_emit_byte (mb, CEE_LDLEN);
8179 label3 = mono_mb_emit_branch (mb, CEE_BGE);
8181 /* Emit marshalling code */
8183 g_assert (conv != -1);
8186 mono_mb_emit_ldloc (mb, dest);
8189 mono_mb_emit_ldloc (mb, src);
8190 mono_mb_emit_ldloc (mb, index_var);
8192 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
8194 mono_mb_emit_icall (mb, conv_to_icall (conv));
8195 mono_mb_emit_byte (mb, CEE_STIND_I);
8198 char *msg = g_strdup ("Marshalling of non-string arrays to managed code is not implemented.");
8199 mono_mb_emit_exception_marshal_directive (mb, msg);
8203 mono_mb_emit_add_to_local (mb, index_var, 1);
8204 mono_mb_emit_add_to_local (mb, dest, esize);
8206 mono_mb_emit_branch_label (mb, CEE_BR, label2);
8208 mono_mb_patch_branch (mb, label3);
8209 mono_mb_patch_branch (mb, label1);
8213 g_assert_not_reached ();
8220 marshal_boolean_conv_in_get_local_type (MonoMarshalSpec *spec, guint8 *ldc_op /*out*/)
8223 return &mono_defaults.int32_class->byval_arg;
8225 switch (spec->native) {
8226 case MONO_NATIVE_I1:
8227 case MONO_NATIVE_U1:
8228 return &mono_defaults.byte_class->byval_arg;
8229 case MONO_NATIVE_VARIANTBOOL:
8230 if (ldc_op) *ldc_op = CEE_LDC_I4_M1;
8231 return &mono_defaults.int16_class->byval_arg;
8232 case MONO_NATIVE_BOOLEAN:
8233 return &mono_defaults.int32_class->byval_arg;
8235 g_warning ("marshalling bool as native type %x is currently not supported", spec->native);
8236 return &mono_defaults.int32_class->byval_arg;
8242 marshal_boolean_managed_conv_in_get_conv_arg_class (MonoMarshalSpec *spec, guint8 *ldop/*out*/)
8244 MonoClass* conv_arg_class = mono_defaults.int32_class;
8246 switch (spec->native) {
8247 case MONO_NATIVE_I1:
8248 case MONO_NATIVE_U1:
8249 conv_arg_class = mono_defaults.byte_class;
8250 if (ldop) *ldop = CEE_LDIND_I1;
8252 case MONO_NATIVE_VARIANTBOOL:
8253 conv_arg_class = mono_defaults.int16_class;
8254 if (ldop) *ldop = CEE_LDIND_I2;
8256 case MONO_NATIVE_BOOLEAN:
8259 g_warning ("marshalling bool as native type %x is currently not supported", spec->native);
8262 return conv_arg_class;
8266 emit_marshal_boolean (EmitMarshalContext *m, int argnum, MonoType *t,
8267 MonoMarshalSpec *spec,
8268 int conv_arg, MonoType **conv_arg_type,
8269 MarshalAction action)
8273 case MARSHAL_ACTION_CONV_IN:
8275 *conv_arg_type = &mono_defaults.int_class->byval_arg;
8277 *conv_arg_type = marshal_boolean_conv_in_get_local_type (spec, NULL);
8280 case MARSHAL_ACTION_MANAGED_CONV_IN: {
8281 MonoClass* conv_arg_class = marshal_boolean_managed_conv_in_get_conv_arg_class (spec, NULL);
8283 *conv_arg_type = &conv_arg_class->this_arg;
8285 *conv_arg_type = &conv_arg_class->byval_arg;
8291 MonoMethodBuilder *mb = m->mb;
8294 case MARSHAL_ACTION_CONV_IN: {
8295 MonoType *local_type;
8297 guint8 ldc_op = CEE_LDC_I4_1;
8299 local_type = marshal_boolean_conv_in_get_local_type (spec, &ldc_op);
8301 *conv_arg_type = &mono_defaults.int_class->byval_arg;
8303 *conv_arg_type = local_type;
8304 conv_arg = mono_mb_add_local (mb, local_type);
8306 mono_mb_emit_ldarg (mb, argnum);
8308 mono_mb_emit_byte (mb, CEE_LDIND_I1);
8309 label_false = mono_mb_emit_branch (mb, CEE_BRFALSE);
8310 mono_mb_emit_byte (mb, ldc_op);
8311 mono_mb_emit_stloc (mb, conv_arg);
8312 mono_mb_patch_branch (mb, label_false);
8317 case MARSHAL_ACTION_CONV_OUT:
8319 int label_false, label_end;
8323 mono_mb_emit_ldarg (mb, argnum);
8324 mono_mb_emit_ldloc (mb, conv_arg);
8326 label_false = mono_mb_emit_branch (mb, CEE_BRFALSE);
8327 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
8329 label_end = mono_mb_emit_branch (mb, CEE_BR);
8330 mono_mb_patch_branch (mb, label_false);
8331 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
8332 mono_mb_patch_branch (mb, label_end);
8334 mono_mb_emit_byte (mb, CEE_STIND_I1);
8338 case MARSHAL_ACTION_PUSH:
8340 mono_mb_emit_ldloc_addr (mb, conv_arg);
8342 mono_mb_emit_ldloc (mb, conv_arg);
8344 mono_mb_emit_ldarg (mb, argnum);
8347 case MARSHAL_ACTION_CONV_RESULT:
8348 /* maybe we need to make sure that it fits within 8 bits */
8349 mono_mb_emit_stloc (mb, 3);
8352 case MARSHAL_ACTION_MANAGED_CONV_IN: {
8353 MonoClass* conv_arg_class = mono_defaults.int32_class;
8354 guint8 ldop = CEE_LDIND_I4;
8355 int label_null, label_false;
8357 conv_arg_class = marshal_boolean_managed_conv_in_get_conv_arg_class (spec, &ldop);
8358 conv_arg = mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
8361 *conv_arg_type = &conv_arg_class->this_arg;
8363 *conv_arg_type = &conv_arg_class->byval_arg;
8366 mono_mb_emit_ldarg (mb, argnum);
8370 label_null = mono_mb_emit_branch (mb, CEE_BRFALSE);
8371 mono_mb_emit_ldarg (mb, argnum);
8372 mono_mb_emit_byte (mb, ldop);
8376 label_false = mono_mb_emit_branch (mb, CEE_BRFALSE);
8377 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
8378 mono_mb_emit_stloc (mb, conv_arg);
8379 mono_mb_patch_branch (mb, label_false);
8382 mono_mb_patch_branch (mb, label_null);
8386 case MARSHAL_ACTION_MANAGED_CONV_OUT: {
8387 guint8 stop = CEE_STIND_I4;
8388 guint8 ldc_op = CEE_LDC_I4_1;
8389 int label_null,label_false, label_end;;
8394 switch (spec->native) {
8395 case MONO_NATIVE_I1:
8396 case MONO_NATIVE_U1:
8397 stop = CEE_STIND_I1;
8399 case MONO_NATIVE_VARIANTBOOL:
8400 stop = CEE_STIND_I2;
8401 ldc_op = CEE_LDC_I4_M1;
8409 mono_mb_emit_ldarg (mb, argnum);
8410 label_null = mono_mb_emit_branch (mb, CEE_BRFALSE);
8412 mono_mb_emit_ldarg (mb, argnum);
8413 mono_mb_emit_ldloc (mb, conv_arg);
8415 label_false = mono_mb_emit_branch (mb, CEE_BRFALSE);
8416 mono_mb_emit_byte (mb, ldc_op);
8417 label_end = mono_mb_emit_branch (mb, CEE_BR);
8419 mono_mb_patch_branch (mb, label_false);
8420 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
8421 mono_mb_patch_branch (mb, label_end);
8423 mono_mb_emit_byte (mb, stop);
8424 mono_mb_patch_branch (mb, label_null);
8429 g_assert_not_reached ();
8436 emit_marshal_ptr (EmitMarshalContext *m, int argnum, MonoType *t,
8437 MonoMarshalSpec *spec, int conv_arg,
8438 MonoType **conv_arg_type, MarshalAction action)
8441 MonoMethodBuilder *mb = m->mb;
8444 case MARSHAL_ACTION_CONV_IN:
8445 /* MS seems to allow this in some cases, ie. bxc #158 */
8447 if (MONO_TYPE_ISSTRUCT (t->data.type) && !mono_class_from_mono_type (t->data.type)->blittable) {
8448 char *msg = g_strdup_printf ("Can not marshal 'parameter #%d': Pointers can not reference marshaled structures. Use byref instead.", argnum + 1);
8449 mono_mb_emit_exception_marshal_directive (m->mb, msg);
8454 case MARSHAL_ACTION_PUSH:
8455 mono_mb_emit_ldarg (mb, argnum);
8458 case MARSHAL_ACTION_CONV_RESULT:
8459 /* no conversions necessary */
8460 mono_mb_emit_stloc (mb, 3);
8471 emit_marshal_char (EmitMarshalContext *m, int argnum, MonoType *t,
8472 MonoMarshalSpec *spec, int conv_arg,
8473 MonoType **conv_arg_type, MarshalAction action)
8476 MonoMethodBuilder *mb = m->mb;
8479 case MARSHAL_ACTION_PUSH:
8480 /* fixme: dont know how to marshal that. We cant simply
8481 * convert it to a one byte UTF8 character, because an
8482 * unicode character may need more that one byte in UTF8 */
8483 mono_mb_emit_ldarg (mb, argnum);
8486 case MARSHAL_ACTION_CONV_RESULT:
8487 /* fixme: we need conversions here */
8488 mono_mb_emit_stloc (mb, 3);
8499 emit_marshal_scalar (EmitMarshalContext *m, int argnum, MonoType *t,
8500 MonoMarshalSpec *spec, int conv_arg,
8501 MonoType **conv_arg_type, MarshalAction action)
8504 MonoMethodBuilder *mb = m->mb;
8507 case MARSHAL_ACTION_PUSH:
8508 mono_mb_emit_ldarg (mb, argnum);
8511 case MARSHAL_ACTION_CONV_RESULT:
8512 /* no conversions necessary */
8513 mono_mb_emit_stloc (mb, 3);
8524 emit_marshal (EmitMarshalContext *m, int argnum, MonoType *t,
8525 MonoMarshalSpec *spec, int conv_arg,
8526 MonoType **conv_arg_type, MarshalAction action)
8528 /* Ensure that we have marshalling info for this param */
8529 mono_marshal_load_type_info (mono_class_from_mono_type (t));
8531 if (spec && spec->native == MONO_NATIVE_CUSTOM)
8532 return emit_marshal_custom (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8534 if (spec && spec->native == MONO_NATIVE_ASANY)
8535 return emit_marshal_asany (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8538 case MONO_TYPE_VALUETYPE:
8539 if (t->data.klass == mono_defaults.handleref_class)
8540 return emit_marshal_handleref (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8542 return emit_marshal_vtype (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8543 case MONO_TYPE_STRING:
8544 return emit_marshal_string (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8545 case MONO_TYPE_CLASS:
8546 case MONO_TYPE_OBJECT:
8548 if (spec && spec->native == MONO_NATIVE_STRUCT)
8549 return emit_marshal_variant (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8551 if (spec && (spec->native == MONO_NATIVE_IUNKNOWN ||
8552 spec->native == MONO_NATIVE_IDISPATCH ||
8553 spec->native == MONO_NATIVE_INTERFACE))
8554 return mono_cominterop_emit_marshal_com_interface (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8555 if (spec && (spec->native == MONO_NATIVE_SAFEARRAY) &&
8556 (spec->data.safearray_data.elem_type == MONO_VARIANT_VARIANT) &&
8557 ((action == MARSHAL_ACTION_CONV_OUT) || (action == MARSHAL_ACTION_CONV_IN) || (action == MARSHAL_ACTION_PUSH)))
8558 return mono_cominterop_emit_marshal_safearray (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8561 if (mono_defaults.safehandle_class != NULL && t->data.klass &&
8562 mono_class_is_subclass_of (t->data.klass, mono_defaults.safehandle_class, FALSE))
8563 return emit_marshal_safehandle (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8565 return emit_marshal_object (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8566 case MONO_TYPE_ARRAY:
8567 case MONO_TYPE_SZARRAY:
8568 return emit_marshal_array (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8569 case MONO_TYPE_BOOLEAN:
8570 return emit_marshal_boolean (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8572 return emit_marshal_ptr (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8573 case MONO_TYPE_CHAR:
8574 return emit_marshal_char (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8587 case MONO_TYPE_FNPTR:
8588 return emit_marshal_scalar (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8589 case MONO_TYPE_GENERICINST:
8590 if (mono_type_generic_inst_is_valuetype (t))
8591 return emit_marshal_vtype (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8593 return emit_marshal_object (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8600 * mono_marshal_emit_native_wrapper:
8601 * @image: the image to use for looking up custom marshallers
8602 * @sig: The signature of the native function
8603 * @piinfo: Marshalling information
8604 * @mspecs: Marshalling information
8605 * @aot: whenever the created method will be compiled by the AOT compiler
8606 * @method: if non-NULL, the pinvoke method to call
8607 * @check_exceptions: Whenever to check for pending exceptions after the native call
8608 * @func_param: the function to call is passed as a boxed IntPtr as the first parameter
8610 * generates IL code for the pinvoke wrapper, the generated code calls @func.
8613 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)
8615 EmitMarshalContext m;
8616 MonoMethodSignature *csig;
8618 int i, argnum, *tmp_locals;
8619 int type, param_shift = 0;
8620 static MonoMethodSignature *get_last_error_sig = NULL;
8625 /* we copy the signature, so that we can set pinvoke to 0 */
8627 /* The function address is passed as the first argument */
8628 g_assert (!sig->hasthis);
8631 csig = signature_dup (mb->method->klass->image, sig);
8639 /* we allocate local for use with emit_struct_conv() */
8640 /* allocate local 0 (pointer) src_ptr */
8641 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8642 /* allocate local 1 (pointer) dst_ptr */
8643 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8644 /* allocate local 2 (boolean) delete_old */
8645 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
8647 /* delete_old = FALSE */
8648 mono_mb_emit_icon (mb, 0);
8649 mono_mb_emit_stloc (mb, 2);
8651 if (!MONO_TYPE_IS_VOID(sig->ret)) {
8652 /* allocate local 3 to store the return value */
8653 mono_mb_add_local (mb, sig->ret);
8656 if (mspecs [0] && mspecs [0]->native == MONO_NATIVE_CUSTOM) {
8657 /* Return type custom marshaling */
8659 * Since we can't determine the return type of the unmanaged function,
8660 * we assume it returns a pointer, and pass that pointer to
8661 * MarshalNativeToManaged.
8663 csig->ret = &mono_defaults.int_class->byval_arg;
8666 /* we first do all conversions */
8667 tmp_locals = alloca (sizeof (int) * sig->param_count);
8668 m.orig_conv_args = alloca (sizeof (int) * (sig->param_count + 1));
8670 for (i = 0; i < sig->param_count; i ++) {
8671 tmp_locals [i] = emit_marshal (&m, i + param_shift, sig->params [i], mspecs [i + 1], 0, &csig->params [i], MARSHAL_ACTION_CONV_IN);
8674 /* push all arguments */
8677 mono_mb_emit_byte (mb, CEE_LDARG_0);
8679 for (i = 0; i < sig->param_count; i++) {
8680 emit_marshal (&m, i + param_shift, sig->params [i], mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_PUSH);
8683 /* call the native method */
8685 mono_mb_emit_byte (mb, CEE_LDARG_0);
8686 mono_mb_emit_op (mb, CEE_UNBOX, mono_defaults.int_class);
8687 mono_mb_emit_byte (mb, CEE_LDIND_I);
8688 mono_mb_emit_calli (mb, csig);
8689 } else if (MONO_CLASS_IS_IMPORT (mb->method->klass)) {
8691 mono_mb_emit_cominterop_call (mb, csig, &piinfo->method);
8693 g_assert_not_reached ();
8698 /* Reuse the ICALL_ADDR opcode for pinvokes too */
8699 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
8700 mono_mb_emit_op (mb, CEE_MONO_ICALL_ADDR, &piinfo->method);
8701 mono_mb_emit_calli (mb, csig);
8703 mono_mb_emit_native_call (mb, csig, func);
8707 /* Set LastError if needed */
8708 if (piinfo->piflags & PINVOKE_ATTRIBUTE_SUPPORTS_LAST_ERROR) {
8709 if (!get_last_error_sig) {
8710 get_last_error_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
8711 get_last_error_sig->ret = &mono_defaults.int_class->byval_arg;
8712 get_last_error_sig->pinvoke = 1;
8717 * Have to call GetLastError () early and without a wrapper, since various runtime components could
8718 * clobber its value.
8720 mono_mb_emit_native_call (mb, get_last_error_sig, GetLastError);
8721 mono_mb_emit_icall (mb, mono_marshal_set_last_error_windows);
8723 mono_mb_emit_icall (mb, mono_marshal_set_last_error);
8727 /* convert the result */
8728 if (!sig->ret->byref) {
8729 MonoMarshalSpec *spec = mspecs [0];
8730 type = sig->ret->type;
8732 if (spec && spec->native == MONO_NATIVE_CUSTOM) {
8733 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
8738 case MONO_TYPE_VOID:
8740 case MONO_TYPE_VALUETYPE:
8741 klass = sig->ret->data.klass;
8742 if (klass->enumtype) {
8743 type = mono_class_enum_basetype (sig->ret->data.klass)->type;
8746 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
8760 case MONO_TYPE_FNPTR:
8761 case MONO_TYPE_STRING:
8762 case MONO_TYPE_CLASS:
8763 case MONO_TYPE_OBJECT:
8764 case MONO_TYPE_BOOLEAN:
8765 case MONO_TYPE_ARRAY:
8766 case MONO_TYPE_SZARRAY:
8767 case MONO_TYPE_CHAR:
8769 case MONO_TYPE_GENERICINST:
8770 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
8772 case MONO_TYPE_TYPEDBYREF:
8774 g_warning ("return type 0x%02x unknown", sig->ret->type);
8775 g_assert_not_reached ();
8779 mono_mb_emit_stloc (mb, 3);
8783 * Need to call this after converting the result since MONO_VTADDR needs
8784 * to be adjacent to the call instruction.
8786 if (check_exceptions)
8787 emit_thread_interrupt_checkpoint (mb);
8789 /* we need to convert byref arguments back and free string arrays */
8790 for (i = 0; i < sig->param_count; i++) {
8791 MonoType *t = sig->params [i];
8792 MonoMarshalSpec *spec = mspecs [i + 1];
8794 argnum = i + param_shift;
8796 if (spec && ((spec->native == MONO_NATIVE_CUSTOM) || (spec->native == MONO_NATIVE_ASANY))) {
8797 emit_marshal (&m, argnum, t, spec, tmp_locals [i], NULL, MARSHAL_ACTION_CONV_OUT);
8802 case MONO_TYPE_STRING:
8803 case MONO_TYPE_VALUETYPE:
8804 case MONO_TYPE_CLASS:
8805 case MONO_TYPE_OBJECT:
8806 case MONO_TYPE_SZARRAY:
8807 case MONO_TYPE_BOOLEAN:
8808 emit_marshal (&m, argnum, t, spec, tmp_locals [i], NULL, MARSHAL_ACTION_CONV_OUT);
8813 if (!MONO_TYPE_IS_VOID(sig->ret))
8814 mono_mb_emit_ldloc (mb, 3);
8816 mono_mb_emit_byte (mb, CEE_RET);
8818 #endif /* DISABLE_JIT */
8821 G_GNUC_UNUSED static void
8822 code_for (MonoMethod *method) {
8823 MonoMethodHeader *header = mono_method_get_header (method);
8824 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));
8828 * mono_marshal_get_native_wrapper:
8829 * @method: The MonoMethod to wrap.
8830 * @check_exceptions: Whenever to check for pending exceptions
8832 * generates IL code for the pinvoke wrapper (the generated method
8833 * calls the unmanaged code in piinfo->addr)
8834 * The wrapper info for the wrapper is a WrapperInfo structure.
8837 mono_marshal_get_native_wrapper (MonoMethod *method, gboolean check_exceptions, gboolean aot)
8839 MonoMethodSignature *sig, *csig;
8840 MonoMethodPInvoke *piinfo = (MonoMethodPInvoke *) method;
8841 MonoMethodBuilder *mb;
8842 MonoMarshalSpec **mspecs;
8845 gboolean pinvoke = FALSE;
8848 const char *exc_class = "MissingMethodException";
8849 const char *exc_arg = NULL;
8852 g_assert (method != NULL);
8853 g_assert (mono_method_signature (method)->pinvoke);
8856 cache = get_cache (&method->klass->image->native_wrapper_aot_cache, mono_aligned_addr_hash, NULL);
8858 cache = get_cache (&method->klass->image->native_wrapper_cache, mono_aligned_addr_hash, NULL);
8859 if ((res = mono_marshal_find_in_cache (cache, method)))
8862 if (MONO_CLASS_IS_IMPORT (method->klass)) {
8864 return mono_cominterop_get_native_wrapper (method);
8866 g_assert_not_reached ();
8870 sig = mono_method_signature (method);
8872 if (!(method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
8873 (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL))
8876 if (!piinfo->addr) {
8878 if (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)
8879 exc_arg = "Method contains unsupported native code";
8881 mono_lookup_pinvoke_call (method, &exc_class, &exc_arg);
8883 piinfo->addr = mono_lookup_internal_call (method);
8886 /* hack - redirect certain string constructors to CreateString */
8887 if (piinfo->addr == ves_icall_System_String_ctor_RedirectToCreateString) {
8888 g_assert (!pinvoke);
8889 g_assert (method->string_ctor);
8890 g_assert (sig->hasthis);
8892 /* CreateString returns a value */
8893 csig = signature_dup (method->klass->image, sig);
8894 csig->ret = &mono_defaults.string_class->byval_arg;
8898 while ((res = mono_class_get_methods (mono_defaults.string_class, &iter))) {
8899 if (!strcmp ("CreateString", res->name) &&
8900 mono_metadata_signature_equal (csig, mono_method_signature (res))) {
8903 g_assert (!(res->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL));
8904 g_assert (!(res->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL));
8906 /* create a wrapper to preserve .ctor in stack trace */
8907 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_MANAGED_TO_MANAGED);
8910 mono_mb_emit_byte (mb, CEE_LDARG_0);
8911 for (i = 1; i <= csig->param_count; i++)
8912 mono_mb_emit_ldarg (mb, i);
8913 mono_mb_emit_managed_call (mb, res, NULL);
8914 mono_mb_emit_byte (mb, CEE_RET);
8917 /* use native_wrapper_cache because internal calls are looked up there */
8918 res = mono_mb_create_and_cache (cache, method,
8919 mb, csig, csig->param_count + 1);
8923 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_STRING_CTOR);
8924 info->d.string_ctor.method = method;
8926 mono_marshal_set_wrapper_info (res, info);
8932 /* exception will be thrown */
8933 piinfo->addr = NULL;
8934 g_warning ("cannot find CreateString for .ctor");
8937 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_MANAGED_TO_NATIVE);
8939 mb->method->save_lmf = 1;
8942 * In AOT mode and embedding scenarios, it is possible that the icall is not
8943 * registered in the runtime doing the AOT compilation.
8945 if (!piinfo->addr && !aot) {
8947 mono_mb_emit_exception (mb, exc_class, exc_arg);
8949 csig = signature_dup (method->klass->image, sig);
8951 res = mono_mb_create_and_cache (cache, method,
8952 mb, csig, csig->param_count + 16);
8955 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_NONE);
8956 info->d.managed_to_native.method = method;
8957 mono_marshal_set_wrapper_info (res, info);
8962 /* internal calls: we simply push all arguments and call the method (no conversions) */
8963 if (method->iflags & (METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL | METHOD_IMPL_ATTRIBUTE_RUNTIME)) {
8965 csig = signature_dup_add_this (method->klass->image, sig, method->klass);
8967 csig = signature_dup (method->klass->image, sig);
8969 /* hack - string constructors returns a value */
8970 if (method->string_ctor)
8971 csig->ret = &mono_defaults.string_class->byval_arg;
8978 * Add a null check since public icalls can be called with 'call' which
8979 * does no such check.
8981 mono_mb_emit_byte (mb, CEE_LDARG_0);
8982 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
8983 mono_mb_emit_exception (mb, "NullReferenceException", NULL);
8984 mono_mb_patch_branch (mb, pos);
8986 mono_mb_emit_byte (mb, CEE_LDARG_0);
8989 for (i = 0; i < sig->param_count; i++)
8990 mono_mb_emit_ldarg (mb, i + sig->hasthis);
8993 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
8994 mono_mb_emit_op (mb, CEE_MONO_ICALL_ADDR, &piinfo->method);
8995 mono_mb_emit_calli (mb, csig);
8997 g_assert (piinfo->addr);
8998 mono_mb_emit_native_call (mb, csig, piinfo->addr);
9000 if (check_exceptions)
9001 emit_thread_interrupt_checkpoint (mb);
9002 mono_mb_emit_byte (mb, CEE_RET);
9005 csig = signature_dup (method->klass->image, csig);
9007 res = mono_mb_create_and_cache (cache, method,
9008 mb, csig, csig->param_count + 16);
9010 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_NONE);
9011 info->d.managed_to_native.method = method;
9012 mono_marshal_set_wrapper_info (res, info);
9020 g_assert (piinfo->addr);
9023 mspecs = g_new (MonoMarshalSpec*, sig->param_count + 1);
9024 mono_method_get_marshal_info (method, mspecs);
9026 mono_marshal_emit_native_wrapper (mb->method->klass->image, mb, sig, piinfo, mspecs, piinfo->addr, aot, check_exceptions, FALSE);
9029 csig = signature_dup (method->klass->image, sig);
9031 res = mono_mb_create_and_cache (cache, method,
9032 mb, csig, csig->param_count + 16);
9035 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_NONE);
9036 info->d.managed_to_native.method = method;
9037 mono_marshal_set_wrapper_info (res, info);
9040 for (i = sig->param_count; i >= 0; i--)
9042 mono_metadata_free_marshal_spec (mspecs [i]);
9046 /* code_for (res); */
9052 * mono_marshal_get_native_func_wrapper:
9053 * @image: The image to use for memory allocation and for looking up custom marshallers.
9054 * @sig: The signature of the function
9055 * @func: The native function to wrap
9057 * Returns a wrapper method around native functions, similar to the pinvoke
9061 mono_marshal_get_native_func_wrapper (MonoImage *image, MonoMethodSignature *sig,
9062 MonoMethodPInvoke *piinfo, MonoMarshalSpec **mspecs, gpointer func)
9064 MonoMethodSignature *csig;
9066 MonoMethodBuilder *mb;
9071 cache = get_cache (&image->native_wrapper_cache, mono_aligned_addr_hash, NULL);
9072 if ((res = mono_marshal_find_in_cache (cache, func)))
9075 name = g_strdup_printf ("wrapper_native_%p", func);
9076 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_MANAGED_TO_NATIVE);
9077 mb->method->save_lmf = 1;
9080 mono_marshal_emit_native_wrapper (image, mb, sig, piinfo, mspecs, func, FALSE, TRUE, FALSE);
9083 csig = signature_dup (image, sig);
9085 res = mono_mb_create_and_cache (cache, func,
9086 mb, csig, csig->param_count + 16);
9089 mono_marshal_set_wrapper_info (res, NULL);
9095 * The wrapper receives the native function as a boxed IntPtr as its 'this' argument. This is easier to support in
9099 mono_marshal_get_native_func_wrapper_aot (MonoClass *klass)
9101 MonoMethodSignature *sig, *csig;
9102 MonoMethodBuilder *mb;
9107 MonoMethodPInvoke mpiinfo;
9108 MonoMethodPInvoke *piinfo = &mpiinfo;
9109 MonoMarshalSpec **mspecs;
9110 MonoMethod *invoke = mono_get_delegate_invoke (klass);
9111 MonoImage *image = invoke->klass->image;
9114 // FIXME: include UnmanagedFunctionPointerAttribute info
9117 * The wrapper is associated with the delegate type, to pick up the marshalling info etc.
9119 cache = get_cache (&image->native_func_wrapper_aot_cache, mono_aligned_addr_hash, NULL);
9120 if ((res = mono_marshal_find_in_cache (cache, invoke)))
9123 memset (&mpiinfo, 0, sizeof (mpiinfo));
9124 parse_unmanaged_function_pointer_attr (klass, &mpiinfo);
9126 mspecs = g_new0 (MonoMarshalSpec*, mono_method_signature (invoke)->param_count + 1);
9127 mono_method_get_marshal_info (invoke, mspecs);
9128 /* Freed below so don't alloc from mempool */
9129 sig = mono_metadata_signature_dup (mono_method_signature (invoke));
9132 name = g_strdup_printf ("wrapper_aot_native");
9133 mb = mono_mb_new (invoke->klass, name, MONO_WRAPPER_MANAGED_TO_NATIVE);
9134 mb->method->save_lmf = 1;
9137 mono_marshal_emit_native_wrapper (image, mb, sig, piinfo, mspecs, NULL, FALSE, TRUE, TRUE);
9140 g_assert (!sig->hasthis);
9141 csig = signature_dup_add_this (image, sig, mono_defaults.int_class);
9143 res = mono_mb_create_and_cache (cache, invoke,
9144 mb, csig, csig->param_count + 16);
9147 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_NATIVE_FUNC_AOT);
9148 info->d.managed_to_native.method = invoke;
9150 mono_marshal_set_wrapper_info (res, info);
9152 for (i = mono_method_signature (invoke)->param_count; i >= 0; i--)
9154 mono_metadata_free_marshal_spec (mspecs [i]);
9162 * mono_marshal_emit_managed_wrapper:
9164 * Emit the body of a native-to-managed wrapper. INVOKE_SIG is the signature of
9165 * the delegate which wraps the managed method to be called. For closed delegates,
9166 * it could have fewer parameters than the method it wraps.
9167 * THIS_LOC is the memory location where the target of the delegate is stored.
9170 mono_marshal_emit_managed_wrapper (MonoMethodBuilder *mb, MonoMethodSignature *invoke_sig, MonoMarshalSpec **mspecs, EmitMarshalContext* m, MonoMethod *method, uint32_t target_handle)
9173 MonoMethodSignature *sig, *csig;
9179 /* we first do all conversions */
9180 for (i = 0; i < sig->param_count; i ++) {
9181 MonoType *t = sig->params [i];
9184 case MONO_TYPE_OBJECT:
9185 case MONO_TYPE_CLASS:
9186 case MONO_TYPE_VALUETYPE:
9187 case MONO_TYPE_ARRAY:
9188 case MONO_TYPE_SZARRAY:
9189 case MONO_TYPE_STRING:
9190 case MONO_TYPE_BOOLEAN:
9191 emit_marshal (m, i, sig->params [i], mspecs [i + 1], 0, &csig->params [i], MARSHAL_ACTION_MANAGED_CONV_IN);
9195 if (!sig->ret->byref) {
9196 switch (sig->ret->type) {
9197 case MONO_TYPE_STRING:
9198 csig->ret = &mono_defaults.int_class->byval_arg;
9205 MonoMethodSignature *sig, *csig;
9207 gboolean closed = FALSE;
9212 /* allocate local 0 (pointer) src_ptr */
9213 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9214 /* allocate local 1 (pointer) dst_ptr */
9215 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9216 /* allocate local 2 (boolean) delete_old */
9217 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
9219 if (!sig->hasthis && sig->param_count != invoke_sig->param_count) {
9220 /* Closed delegate */
9221 g_assert (sig->param_count == invoke_sig->param_count + 1);
9223 /* Use a new signature without the first argument */
9224 sig = mono_metadata_signature_dup (sig);
9225 memmove (&sig->params [0], &sig->params [1], (sig->param_count - 1) * sizeof (MonoType*));
9226 sig->param_count --;
9229 if (!MONO_TYPE_IS_VOID(sig->ret)) {
9230 /* allocate local 3 to store the return value */
9231 mono_mb_add_local (mb, sig->ret);
9234 mono_mb_emit_icon (mb, 0);
9235 mono_mb_emit_stloc (mb, 2);
9238 * Might need to attach the thread to the JIT or change the
9239 * domain for the callback.
9241 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
9242 mono_mb_emit_byte (mb, CEE_MONO_JIT_ATTACH);
9244 /* we first do all conversions */
9245 tmp_locals = alloca (sizeof (int) * sig->param_count);
9246 for (i = 0; i < sig->param_count; i ++) {
9247 MonoType *t = sig->params [i];
9250 case MONO_TYPE_OBJECT:
9251 case MONO_TYPE_CLASS:
9252 case MONO_TYPE_VALUETYPE:
9253 case MONO_TYPE_ARRAY:
9254 case MONO_TYPE_SZARRAY:
9255 case MONO_TYPE_STRING:
9256 case MONO_TYPE_BOOLEAN:
9257 tmp_locals [i] = emit_marshal (m, i, sig->params [i], mspecs [i + 1], 0, &csig->params [i], MARSHAL_ACTION_MANAGED_CONV_IN);
9266 emit_thread_interrupt_checkpoint (mb);
9269 if (target_handle) {
9270 mono_mb_emit_icon (mb, (gint32)target_handle);
9271 mono_mb_emit_icall (mb, mono_gchandle_get_target);
9274 g_assert_not_reached ();
9276 } else if (closed) {
9277 mono_mb_emit_icon (mb, (gint32)target_handle);
9278 mono_mb_emit_icall (mb, mono_gchandle_get_target);
9281 for (i = 0; i < sig->param_count; i++) {
9282 MonoType *t = sig->params [i];
9284 if (tmp_locals [i]) {
9286 mono_mb_emit_ldloc_addr (mb, tmp_locals [i]);
9288 mono_mb_emit_ldloc (mb, tmp_locals [i]);
9291 mono_mb_emit_ldarg (mb, i);
9294 mono_mb_emit_managed_call (mb, method, NULL);
9296 if (mspecs [0] && mspecs [0]->native == MONO_NATIVE_CUSTOM) {
9297 emit_marshal (m, 0, sig->ret, mspecs [0], 0, NULL, MARSHAL_ACTION_MANAGED_CONV_RESULT);
9298 } else if (!sig->ret->byref) {
9299 switch (sig->ret->type) {
9300 case MONO_TYPE_VOID:
9302 case MONO_TYPE_BOOLEAN:
9305 case MONO_TYPE_CHAR:
9317 case MONO_TYPE_OBJECT:
9318 mono_mb_emit_stloc (mb, 3);
9320 case MONO_TYPE_STRING:
9321 csig->ret = &mono_defaults.int_class->byval_arg;
9322 emit_marshal (m, 0, sig->ret, mspecs [0], 0, NULL, MARSHAL_ACTION_MANAGED_CONV_RESULT);
9324 case MONO_TYPE_VALUETYPE:
9325 case MONO_TYPE_CLASS:
9326 case MONO_TYPE_SZARRAY:
9327 emit_marshal (m, 0, sig->ret, mspecs [0], 0, NULL, MARSHAL_ACTION_MANAGED_CONV_RESULT);
9330 g_warning ("return type 0x%02x unknown", sig->ret->type);
9331 g_assert_not_reached ();
9334 mono_mb_emit_stloc (mb, 3);
9337 /* Convert byref arguments back */
9338 for (i = 0; i < sig->param_count; i ++) {
9339 MonoType *t = sig->params [i];
9340 MonoMarshalSpec *spec = mspecs [i + 1];
9342 if (spec && spec->native == MONO_NATIVE_CUSTOM) {
9343 emit_marshal (m, i, t, mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_MANAGED_CONV_OUT);
9345 else if (t->byref) {
9347 case MONO_TYPE_CLASS:
9348 case MONO_TYPE_VALUETYPE:
9349 case MONO_TYPE_OBJECT:
9350 case MONO_TYPE_STRING:
9351 case MONO_TYPE_BOOLEAN:
9352 emit_marshal (m, i, t, mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_MANAGED_CONV_OUT);
9356 else if (invoke_sig->params [i]->attrs & PARAM_ATTRIBUTE_OUT) {
9357 /* The [Out] information is encoded in the delegate signature */
9359 case MONO_TYPE_SZARRAY:
9360 case MONO_TYPE_CLASS:
9361 case MONO_TYPE_VALUETYPE:
9362 emit_marshal (m, i, invoke_sig->params [i], mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_MANAGED_CONV_OUT);
9365 g_assert_not_reached ();
9370 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
9371 mono_mb_emit_byte (mb, CEE_MONO_JIT_DETACH);
9373 if (m->retobj_var) {
9374 mono_mb_emit_ldloc (mb, m->retobj_var);
9375 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
9376 mono_mb_emit_op (mb, CEE_MONO_RETOBJ, m->retobj_class);
9379 if (!MONO_TYPE_IS_VOID(sig->ret))
9380 mono_mb_emit_ldloc (mb, 3);
9381 mono_mb_emit_byte (mb, CEE_RET);
9390 mono_marshal_set_callconv_from_modopt (MonoMethod *method, MonoMethodSignature *csig)
9392 MonoMethodSignature *sig;
9397 * Under windows, delegates passed to native code must use the STDCALL
9398 * calling convention.
9400 csig->call_convention = MONO_CALL_STDCALL;
9403 sig = mono_method_signature (method);
9405 /* Change default calling convention if needed */
9406 /* Why is this a modopt ? */
9407 if (sig->ret && sig->ret->num_mods) {
9408 for (i = 0; i < sig->ret->num_mods; ++i) {
9409 MonoClass *cmod_class = mono_class_get (method->klass->image, sig->ret->modifiers [i].token);
9410 g_assert (cmod_class);
9411 if ((cmod_class->image == mono_defaults.corlib) && !strcmp (cmod_class->name_space, "System.Runtime.CompilerServices")) {
9412 if (!strcmp (cmod_class->name, "CallConvCdecl"))
9413 csig->call_convention = MONO_CALL_C;
9414 else if (!strcmp (cmod_class->name, "CallConvStdcall"))
9415 csig->call_convention = MONO_CALL_STDCALL;
9416 else if (!strcmp (cmod_class->name, "CallConvFastcall"))
9417 csig->call_convention = MONO_CALL_FASTCALL;
9418 else if (!strcmp (cmod_class->name, "CallConvThiscall"))
9419 csig->call_convention = MONO_CALL_THISCALL;
9426 * generates IL code to call managed methods from unmanaged code
9427 * If target_handle==0, the wrapper info will be a WrapperInfo structure.
9430 mono_marshal_get_managed_wrapper (MonoMethod *method, MonoClass *delegate_klass, uint32_t target_handle)
9432 static MonoClass *UnmanagedFunctionPointerAttribute;
9433 MonoMethodSignature *sig, *csig, *invoke_sig;
9434 MonoMethodBuilder *mb;
9435 MonoMethod *res, *invoke;
9436 MonoMarshalSpec **mspecs;
9437 MonoMethodPInvoke piinfo;
9440 EmitMarshalContext m;
9442 g_assert (method != NULL);
9443 g_assert (!mono_method_signature (method)->pinvoke);
9446 * FIXME: Should cache the method+delegate type pair, since the same method
9447 * could be called with different delegates, thus different marshalling
9450 cache = get_cache (&method->klass->image->managed_wrapper_cache, mono_aligned_addr_hash, NULL);
9451 if (!target_handle && (res = mono_marshal_find_in_cache (cache, method)))
9454 invoke = mono_get_delegate_invoke (delegate_klass);
9455 invoke_sig = mono_method_signature (invoke);
9457 mspecs = g_new0 (MonoMarshalSpec*, mono_method_signature (invoke)->param_count + 1);
9458 mono_method_get_marshal_info (invoke, mspecs);
9460 sig = mono_method_signature (method);
9462 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_NATIVE_TO_MANAGED);
9464 /*the target gchandle must be the first entry after size and the wrapper itself.*/
9465 mono_mb_add_data (mb, GUINT_TO_POINTER (target_handle));
9467 /* we copy the signature, so that we can modify it */
9469 /* Need to free this later */
9470 csig = mono_metadata_signature_dup (invoke_sig);
9472 csig = signature_dup (method->klass->image, invoke_sig);
9481 m.image = method->klass->image;
9483 mono_marshal_set_callconv_from_modopt (invoke, csig);
9485 /* Handle the UnmanagedFunctionPointerAttribute */
9486 if (!UnmanagedFunctionPointerAttribute)
9487 UnmanagedFunctionPointerAttribute = mono_class_from_name (mono_defaults.corlib, "System.Runtime.InteropServices", "UnmanagedFunctionPointerAttribute");
9489 /* The attribute is only available in Net 2.0 */
9490 if (UnmanagedFunctionPointerAttribute) {
9491 MonoCustomAttrInfo *cinfo;
9492 MonoCustomAttrEntry *attr;
9495 * The pinvoke attributes are stored in a real custom attribute. Obtain the
9496 * contents of the attribute without constructing it, as that might not be
9497 * possible when running in cross-compiling mode.
9499 cinfo = mono_custom_attrs_from_class (delegate_klass);
9502 for (i = 0; i < cinfo->num_attrs; ++i) {
9503 MonoClass *ctor_class = cinfo->attrs [i].ctor->klass;
9504 if (mono_class_has_parent (ctor_class, UnmanagedFunctionPointerAttribute)) {
9505 attr = &cinfo->attrs [i];
9511 MonoArray *typed_args, *named_args;
9512 CattrNamedArg *arginfo;
9516 MonoBoolean set_last_error = 0;
9517 MonoBoolean best_fit_mapping = 0;
9518 MonoBoolean throw_on_unmappable = 0;
9521 mono_reflection_create_custom_attr_data_args (mono_defaults.corlib, attr->ctor, attr->data, attr->data_size, &typed_args, &named_args, &arginfo, &error);
9522 g_assert (mono_error_ok (&error));
9523 g_assert (mono_array_length (typed_args) == 1);
9526 o = mono_array_get (typed_args, MonoObject*, 0);
9527 call_conv = *(gint32*)mono_object_unbox (o);
9530 for (i = 0; i < mono_array_length (named_args); ++i) {
9531 CattrNamedArg *narg = &arginfo [i];
9533 o = mono_array_get (named_args, MonoObject*, i);
9535 g_assert (narg->field);
9536 if (!strcmp (narg->field->name, "CharSet")) {
9537 charset = *(gint32*)mono_object_unbox (o);
9538 } else if (!strcmp (narg->field->name, "SetLastError")) {
9539 set_last_error = *(MonoBoolean*)mono_object_unbox (o);
9540 } else if (!strcmp (narg->field->name, "BestFitMapping")) {
9541 best_fit_mapping = *(MonoBoolean*)mono_object_unbox (o);
9542 } else if (!strcmp (narg->field->name, "ThrowOnUnmappableChar")) {
9543 throw_on_unmappable = *(MonoBoolean*)mono_object_unbox (o);
9545 g_assert_not_reached ();
9551 memset (&piinfo, 0, sizeof (piinfo));
9553 piinfo.piflags = (call_conv << 8) | (charset ? (charset - 1) * 2 : 1) | set_last_error;
9555 csig->call_convention = call_conv - 1;
9558 if (cinfo && !cinfo->cached)
9559 mono_custom_attrs_free (cinfo);
9562 mono_marshal_emit_managed_wrapper (mb, invoke_sig, mspecs, &m, method, target_handle);
9564 if (!target_handle) {
9567 res = mono_mb_create_and_cache (cache, method,
9568 mb, csig, sig->param_count + 16);
9569 // FIXME: Associate it with the method+delegate_klass pair
9570 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_NONE);
9571 info->d.native_to_managed.method = method;
9572 info->d.native_to_managed.klass = delegate_klass;
9573 mono_marshal_set_wrapper_info (res, info);
9578 res = mono_mb_create_method (mb, csig, sig->param_count + 16);
9582 for (i = mono_method_signature (invoke)->param_count; i >= 0; i--)
9584 mono_metadata_free_marshal_spec (mspecs [i]);
9587 /* code_for (res); */
9593 mono_marshal_get_vtfixup_ftnptr (MonoImage *image, guint32 token, guint16 type)
9596 MonoMethodSignature *sig;
9597 MonoMethodBuilder *mb;
9602 method = mono_get_method (image, token, NULL);
9605 if (type & (VTFIXUP_TYPE_FROM_UNMANAGED | VTFIXUP_TYPE_FROM_UNMANAGED_RETAIN_APPDOMAIN)) {
9606 MonoMethodSignature *csig;
9607 MonoMarshalSpec **mspecs;
9608 EmitMarshalContext m;
9610 sig = mono_method_signature (method);
9611 g_assert (!sig->hasthis);
9613 mspecs = g_new0 (MonoMarshalSpec*, sig->param_count + 1);
9614 mono_method_get_marshal_info (method, mspecs);
9616 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_NATIVE_TO_MANAGED);
9617 csig = signature_dup (image, sig);
9628 mono_marshal_set_callconv_from_modopt (method, csig);
9630 /* FIXME: Implement VTFIXUP_TYPE_FROM_UNMANAGED_RETAIN_APPDOMAIN. */
9632 mono_marshal_emit_managed_wrapper (mb, sig, mspecs, &m, method, 0);
9637 method = mono_mb_create_method (mb, csig, sig->param_count + 16);
9640 for (i = sig->param_count; i >= 0; i--)
9642 mono_metadata_free_marshal_spec (mspecs [i]);
9645 return mono_compile_method (method);
9648 sig = mono_method_signature (method);
9649 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_MANAGED_TO_MANAGED);
9652 param_count = sig->param_count + sig->hasthis;
9653 for (i = 0; i < param_count; i++)
9654 mono_mb_emit_ldarg (mb, i);
9656 if (type & VTFIXUP_TYPE_CALL_MOST_DERIVED)
9657 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
9659 mono_mb_emit_op (mb, CEE_CALL, method);
9660 mono_mb_emit_byte (mb, CEE_RET);
9665 method = mono_mb_create_method (mb, sig, param_count);
9668 return mono_compile_method (method);
9671 static MonoReflectionType *
9672 type_from_handle (MonoType *handle)
9674 MonoDomain *domain = mono_domain_get ();
9675 MonoClass *klass = mono_class_from_mono_type (handle);
9677 MONO_ARCH_SAVE_REGS;
9679 mono_class_init (klass);
9680 return mono_type_get_object (domain, handle);
9684 * This does the equivalent of mono_object_castclass_with_cache.
9685 * The wrapper info for the wrapper is a WrapperInfo structure.
9688 mono_marshal_get_castclass_with_cache (void)
9690 static MonoMethod *cached;
9692 MonoMethodBuilder *mb;
9693 MonoMethodSignature *sig;
9694 int return_null_pos, cache_miss_pos, invalid_cast_pos;
9700 mb = mono_mb_new (mono_defaults.object_class, "__castclass_with_cache", MONO_WRAPPER_CASTCLASS);
9701 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
9702 sig->params [0] = &mono_defaults.object_class->byval_arg;
9703 sig->params [1] = &mono_defaults.int_class->byval_arg;
9704 sig->params [2] = &mono_defaults.int_class->byval_arg;
9705 sig->ret = &mono_defaults.object_class->byval_arg;
9709 /* allocate local 0 (pointer) obj_vtable */
9710 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9713 mono_mb_emit_ldarg (mb, 0);
9714 return_null_pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
9716 /*obj_vtable = obj->vtable;*/
9717 mono_mb_emit_ldarg (mb, 0);
9718 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
9719 mono_mb_emit_byte (mb, CEE_LDIND_I);
9720 mono_mb_emit_stloc (mb, 0);
9723 mono_mb_emit_ldarg (mb, 2);
9724 mono_mb_emit_byte (mb, CEE_LDIND_I);
9725 mono_mb_emit_ldloc (mb, 0);
9727 /*if (*cache == obj_vtable)*/
9728 cache_miss_pos = mono_mb_emit_branch (mb, CEE_BNE_UN);
9731 mono_mb_emit_ldarg (mb, 0);
9732 mono_mb_emit_byte (mb, CEE_RET);
9734 mono_mb_patch_branch (mb, cache_miss_pos);
9735 /*if (mono_object_isinst (obj, klass)) */
9736 mono_mb_emit_ldarg (mb, 0);
9737 mono_mb_emit_ldarg (mb, 1);
9738 mono_mb_emit_icall (mb, mono_object_isinst);
9739 invalid_cast_pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
9741 /**cache = obj_vtable;*/
9742 mono_mb_emit_ldarg (mb, 2);
9743 mono_mb_emit_ldloc (mb, 0);
9744 mono_mb_emit_byte (mb, CEE_STIND_I);
9747 mono_mb_emit_ldarg (mb, 0);
9748 mono_mb_emit_byte (mb, CEE_RET);
9751 mono_mb_patch_branch (mb, invalid_cast_pos);
9752 mono_mb_emit_exception (mb, "InvalidCastException", NULL);
9755 mono_mb_patch_branch (mb, return_null_pos);
9756 mono_mb_emit_byte (mb, CEE_LDNULL);
9757 mono_mb_emit_byte (mb, CEE_RET);
9758 #endif /* DISABLE_JIT */
9760 res = mono_mb_create_method (mb, sig, 8);
9761 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_CASTCLASS_WITH_CACHE);
9762 mono_marshal_set_wrapper_info (res, info);
9765 if (InterlockedCompareExchangePointer ((volatile gpointer *)&cached, res, NULL)) {
9766 mono_free_method (res);
9767 mono_metadata_free_method_signature (sig);
9775 * This does the equivalent of mono_object_isinst_with_cache.
9776 * The wrapper info for the wrapper is a WrapperInfo structure.
9779 mono_marshal_get_isinst_with_cache (void)
9781 static MonoMethod *cached;
9783 MonoMethodBuilder *mb;
9784 MonoMethodSignature *sig;
9785 int return_null_pos, cache_miss_pos, cache_hit_pos, not_an_instance_pos, negative_cache_hit_pos;
9791 mb = mono_mb_new (mono_defaults.object_class, "__isinst_with_cache", MONO_WRAPPER_CASTCLASS);
9792 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
9793 sig->params [0] = &mono_defaults.object_class->byval_arg;
9794 sig->params [1] = &mono_defaults.int_class->byval_arg;
9795 sig->params [2] = &mono_defaults.int_class->byval_arg;
9796 sig->ret = &mono_defaults.object_class->byval_arg;
9800 /* allocate local 0 (pointer) obj_vtable */
9801 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9802 /* allocate local 1 (pointer) cached_vtable */
9803 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9806 mono_mb_emit_ldarg (mb, 0);
9807 return_null_pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
9809 /*obj_vtable = obj->vtable;*/
9810 mono_mb_emit_ldarg (mb, 0);
9811 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
9812 mono_mb_emit_byte (mb, CEE_LDIND_I);
9813 mono_mb_emit_stloc (mb, 0);
9815 /* cached_vtable = *cache*/
9816 mono_mb_emit_ldarg (mb, 2);
9817 mono_mb_emit_byte (mb, CEE_LDIND_I);
9818 mono_mb_emit_stloc (mb, 1);
9820 mono_mb_emit_ldloc (mb, 1);
9821 mono_mb_emit_byte (mb, CEE_LDC_I4);
9822 mono_mb_emit_i4 (mb, ~0x1);
9823 mono_mb_emit_byte (mb, CEE_CONV_U);
9824 mono_mb_emit_byte (mb, CEE_AND);
9825 mono_mb_emit_ldloc (mb, 0);
9826 /*if ((cached_vtable & ~0x1)== obj_vtable)*/
9827 cache_miss_pos = mono_mb_emit_branch (mb, CEE_BNE_UN);
9829 /*return (cached_vtable & 0x1) ? NULL : obj;*/
9830 mono_mb_emit_ldloc (mb, 1);
9831 mono_mb_emit_byte(mb, CEE_LDC_I4_1);
9832 mono_mb_emit_byte (mb, CEE_CONV_U);
9833 mono_mb_emit_byte (mb, CEE_AND);
9834 negative_cache_hit_pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
9837 mono_mb_emit_ldarg (mb, 0);
9838 cache_hit_pos = mono_mb_emit_branch (mb, CEE_BR);
9841 mono_mb_patch_branch (mb, negative_cache_hit_pos);
9842 mono_mb_emit_byte (mb, CEE_LDNULL);
9844 mono_mb_patch_branch (mb, cache_hit_pos);
9845 mono_mb_emit_byte (mb, CEE_RET);
9847 mono_mb_patch_branch (mb, cache_miss_pos);
9848 /*if (mono_object_isinst (obj, klass)) */
9849 mono_mb_emit_ldarg (mb, 0);
9850 mono_mb_emit_ldarg (mb, 1);
9851 mono_mb_emit_icall (mb, mono_object_isinst);
9852 not_an_instance_pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
9854 /**cache = obj_vtable;*/
9855 mono_mb_emit_ldarg (mb, 2);
9856 mono_mb_emit_ldloc (mb, 0);
9857 mono_mb_emit_byte (mb, CEE_STIND_I);
9860 mono_mb_emit_ldarg (mb, 0);
9861 mono_mb_emit_byte (mb, CEE_RET);
9864 mono_mb_patch_branch (mb, not_an_instance_pos);
9865 /* *cache = (gpointer)(obj_vtable | 0x1);*/
9866 mono_mb_emit_ldarg (mb, 2);
9867 /*obj_vtable | 0x1*/
9868 mono_mb_emit_ldloc (mb, 0);
9869 mono_mb_emit_byte(mb, CEE_LDC_I4_1);
9870 mono_mb_emit_byte (mb, CEE_CONV_U);
9871 mono_mb_emit_byte (mb, CEE_OR);
9874 mono_mb_emit_byte (mb, CEE_STIND_I);
9877 mono_mb_patch_branch (mb, return_null_pos);
9878 mono_mb_emit_byte (mb, CEE_LDNULL);
9879 mono_mb_emit_byte (mb, CEE_RET);
9882 res = mono_mb_create_method (mb, sig, 8);
9883 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_ISINST_WITH_CACHE);
9884 mono_marshal_set_wrapper_info (res, info);
9887 if (InterlockedCompareExchangePointer ((volatile gpointer *)&cached, res, NULL)) {
9888 mono_free_method (res);
9889 mono_metadata_free_method_signature (sig);
9897 * mono_marshal_get_isinst:
9898 * @klass: the type of the field
9900 * This method generates a function which can be used to check if an object is
9901 * an instance of the given type, icluding the case where the object is a proxy.
9902 * The generated function has the following signature:
9903 * MonoObject* __isinst_wrapper_ (MonoObject *obj)
9906 mono_marshal_get_isinst (MonoClass *klass)
9908 static MonoMethodSignature *isint_sig = NULL;
9911 int pos_was_ok, pos_end;
9912 #ifndef DISABLE_REMOTING
9913 int pos_end2, pos_failed;
9916 MonoMethodBuilder *mb;
9918 cache = get_cache (&klass->image->isinst_cache, mono_aligned_addr_hash, NULL);
9919 if ((res = mono_marshal_find_in_cache (cache, klass)))
9923 isint_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
9924 isint_sig->params [0] = &mono_defaults.object_class->byval_arg;
9925 isint_sig->ret = &mono_defaults.object_class->byval_arg;
9926 isint_sig->pinvoke = 0;
9929 name = g_strdup_printf ("__isinst_wrapper_%s", klass->name);
9930 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_ISINST);
9933 mb->method->save_lmf = 1;
9936 /* check if the object is a proxy that needs special cast */
9937 mono_mb_emit_ldarg (mb, 0);
9938 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
9939 mono_mb_emit_op (mb, CEE_MONO_CISINST, klass);
9941 /* The result of MONO_CISINST can be:
9942 0) the type check succeeded
9943 1) the type check did not succeed
9944 2) a CanCastTo call is needed */
9945 #ifndef DISABLE_REMOTING
9946 mono_mb_emit_byte (mb, CEE_DUP);
9947 pos_was_ok = mono_mb_emit_branch (mb, CEE_BRFALSE);
9949 mono_mb_emit_byte (mb, CEE_LDC_I4_2);
9950 pos_failed = mono_mb_emit_branch (mb, CEE_BNE_UN);
9952 /* get the real proxy from the transparent proxy*/
9954 mono_mb_emit_ldarg (mb, 0);
9955 mono_mb_emit_managed_call (mb, mono_marshal_get_proxy_cancast (klass), NULL);
9956 pos_end = mono_mb_emit_branch (mb, CEE_BR);
9960 mono_mb_patch_branch (mb, pos_failed);
9961 mono_mb_emit_byte (mb, CEE_LDNULL);
9962 pos_end2 = mono_mb_emit_branch (mb, CEE_BR);
9966 mono_mb_patch_branch (mb, pos_was_ok);
9967 mono_mb_emit_byte (mb, CEE_POP);
9968 mono_mb_emit_ldarg (mb, 0);
9972 mono_mb_patch_branch (mb, pos_end);
9973 mono_mb_patch_branch (mb, pos_end2);
9974 mono_mb_emit_byte (mb, CEE_RET);
9976 pos_was_ok = mono_mb_emit_branch (mb, CEE_BRFALSE);
9980 mono_mb_emit_byte (mb, CEE_LDNULL);
9981 pos_end = mono_mb_emit_branch (mb, CEE_BR);
9985 mono_mb_patch_branch (mb, pos_was_ok);
9986 mono_mb_emit_ldarg (mb, 0);
9990 mono_mb_patch_branch (mb, pos_end);
9991 mono_mb_emit_byte (mb, CEE_RET);
9992 #endif /* DISABLE_REMOTING */
9993 #endif /* DISABLE_JIT */
9995 res = mono_mb_create_and_cache (cache, klass, mb, isint_sig, isint_sig->param_count + 16);
10002 * mono_marshal_get_castclass:
10003 * @klass: the type of the field
10005 * This method generates a function which can be used to cast an object to
10006 * an instance of the given type, icluding the case where the object is a proxy.
10007 * The generated function has the following signature:
10008 * MonoObject* __castclass_wrapper_ (MonoObject *obj)
10009 * The wrapper info for the wrapper is a WrapperInfo structure.
10012 mono_marshal_get_castclass (MonoClass *klass)
10014 static MonoMethodSignature *castclass_sig = NULL;
10017 #ifndef DISABLE_REMOTING
10018 int pos_was_ok, pos_was_ok2;
10021 MonoMethodBuilder *mb;
10024 cache = get_cache (&klass->image->castclass_cache, mono_aligned_addr_hash, NULL);
10025 if ((res = mono_marshal_find_in_cache (cache, klass)))
10028 if (!castclass_sig) {
10029 castclass_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
10030 castclass_sig->params [0] = &mono_defaults.object_class->byval_arg;
10031 castclass_sig->ret = &mono_defaults.object_class->byval_arg;
10032 castclass_sig->pinvoke = 0;
10035 name = g_strdup_printf ("__castclass_wrapper_%s", klass->name);
10036 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_CASTCLASS);
10039 mb->method->save_lmf = 1;
10041 #ifndef DISABLE_JIT
10042 /* check if the object is a proxy that needs special cast */
10043 mono_mb_emit_ldarg (mb, 0);
10044 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
10045 mono_mb_emit_op (mb, CEE_MONO_CCASTCLASS, klass);
10047 /* The result of MONO_CCASTCLASS can be:
10048 0) the cast is valid
10049 1) cast of unknown proxy type
10050 or an exception if the cast is is invalid
10052 #ifndef DISABLE_REMOTING
10053 pos_was_ok = mono_mb_emit_branch (mb, CEE_BRFALSE);
10055 /* get the real proxy from the transparent proxy*/
10057 mono_mb_emit_ldarg (mb, 0);
10058 mono_mb_emit_managed_call (mb, mono_marshal_get_proxy_cancast (klass), NULL);
10059 pos_was_ok2 = mono_mb_emit_branch (mb, CEE_BRTRUE);
10062 mono_mb_emit_exception (mb, "InvalidCastException", NULL);
10065 mono_mb_patch_branch (mb, pos_was_ok);
10066 mono_mb_patch_branch (mb, pos_was_ok2);
10068 /* MONO_CCASTCLASS leaves an int in the stack with the result, pop it. */
10069 mono_mb_emit_byte (mb, CEE_POP);
10070 #endif /* DISABLE_REMOTING */
10072 mono_mb_emit_ldarg (mb, 0);
10075 mono_mb_emit_byte (mb, CEE_RET);
10076 #endif /* DISABLE_JIT */
10078 res = mono_mb_create_and_cache (cache, klass, mb, castclass_sig, castclass_sig->param_count + 16);
10081 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_NONE);
10082 mono_marshal_set_wrapper_info (res, info);
10087 #ifndef DISABLE_REMOTING
10089 mono_marshal_get_proxy_cancast (MonoClass *klass)
10091 static MonoMethodSignature *isint_sig = NULL;
10094 int pos_failed, pos_end;
10095 char *name, *klass_name;
10096 MonoMethod *can_cast_to;
10097 MonoMethodDesc *desc;
10098 MonoMethodBuilder *mb;
10100 cache = get_cache (&klass->image->proxy_isinst_cache, mono_aligned_addr_hash, NULL);
10101 if ((res = mono_marshal_find_in_cache (cache, klass)))
10105 isint_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
10106 isint_sig->params [0] = &mono_defaults.object_class->byval_arg;
10107 isint_sig->ret = &mono_defaults.object_class->byval_arg;
10108 isint_sig->pinvoke = 0;
10111 klass_name = mono_type_full_name (&klass->byval_arg);
10112 name = g_strdup_printf ("__proxy_isinst_wrapper_%s", klass_name);
10113 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_PROXY_ISINST);
10114 g_free (klass_name);
10117 mb->method->save_lmf = 1;
10119 #ifndef DISABLE_JIT
10120 /* get the real proxy from the transparent proxy*/
10121 mono_mb_emit_ldarg (mb, 0);
10122 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
10123 mono_mb_emit_byte (mb, CEE_LDIND_REF);
10125 /* get the reflection type from the type handle */
10126 mono_mb_emit_ptr (mb, &klass->byval_arg);
10127 mono_mb_emit_icall (mb, type_from_handle);
10129 mono_mb_emit_ldarg (mb, 0);
10131 /* make the call to CanCastTo (type, ob) */
10132 desc = mono_method_desc_new ("IRemotingTypeInfo:CanCastTo", FALSE);
10133 can_cast_to = mono_method_desc_search_in_class (desc, mono_defaults.iremotingtypeinfo_class);
10134 g_assert (can_cast_to);
10135 mono_method_desc_free (desc);
10136 mono_mb_emit_op (mb, CEE_CALLVIRT, can_cast_to);
10138 pos_failed = mono_mb_emit_branch (mb, CEE_BRFALSE);
10140 /* Upgrade the proxy vtable by calling: mono_upgrade_remote_class_wrapper (type, ob)*/
10141 mono_mb_emit_ptr (mb, &klass->byval_arg);
10142 mono_mb_emit_icall (mb, type_from_handle);
10143 mono_mb_emit_ldarg (mb, 0);
10145 mono_mb_emit_icall (mb, mono_upgrade_remote_class_wrapper);
10146 emit_thread_interrupt_checkpoint (mb);
10148 mono_mb_emit_ldarg (mb, 0);
10149 pos_end = mono_mb_emit_branch (mb, CEE_BR);
10153 mono_mb_patch_branch (mb, pos_failed);
10154 mono_mb_emit_byte (mb, CEE_LDNULL);
10158 mono_mb_patch_branch (mb, pos_end);
10159 mono_mb_emit_byte (mb, CEE_RET);
10162 res = mono_mb_create_and_cache (cache, klass, mb, isint_sig, isint_sig->param_count + 16);
10169 mono_upgrade_remote_class_wrapper (MonoReflectionType *rtype, MonoTransparentProxy *tproxy)
10172 MonoDomain *domain = ((MonoObject*)tproxy)->vtable->domain;
10173 klass = mono_class_from_mono_type (rtype->type);
10174 mono_upgrade_remote_class (domain, (MonoObject*)tproxy, klass);
10176 #endif /*DISABLE_REMOTING */
10179 * mono_marshal_get_struct_to_ptr:
10182 * generates IL code for StructureToPtr (object structure, IntPtr ptr, bool fDeleteOld)
10183 * The wrapper info for the wrapper is a WrapperInfo structure.
10186 mono_marshal_get_struct_to_ptr (MonoClass *klass)
10188 MonoMethodBuilder *mb;
10189 static MonoMethod *stoptr = NULL;
10193 g_assert (klass != NULL);
10195 mono_marshal_load_type_info (klass);
10197 if (klass->marshal_info->str_to_ptr)
10198 return klass->marshal_info->str_to_ptr;
10201 stoptr = mono_class_get_method_from_name (mono_defaults.marshal_class, "StructureToPtr", 3);
10204 mb = mono_mb_new (klass, stoptr->name, MONO_WRAPPER_UNKNOWN);
10206 #ifndef DISABLE_JIT
10207 if (klass->blittable) {
10208 mono_mb_emit_byte (mb, CEE_LDARG_1);
10209 mono_mb_emit_byte (mb, CEE_LDARG_0);
10210 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
10211 mono_mb_emit_icon (mb, mono_class_value_size (klass, NULL));
10212 mono_mb_emit_byte (mb, CEE_PREFIX1);
10213 mono_mb_emit_byte (mb, CEE_CPBLK);
10216 /* allocate local 0 (pointer) src_ptr */
10217 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10218 /* allocate local 1 (pointer) dst_ptr */
10219 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10220 /* allocate local 2 (boolean) delete_old */
10221 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
10222 mono_mb_emit_byte (mb, CEE_LDARG_2);
10223 mono_mb_emit_stloc (mb, 2);
10225 /* initialize src_ptr to point to the start of object data */
10226 mono_mb_emit_byte (mb, CEE_LDARG_0);
10227 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
10228 mono_mb_emit_stloc (mb, 0);
10230 /* initialize dst_ptr */
10231 mono_mb_emit_byte (mb, CEE_LDARG_1);
10232 mono_mb_emit_stloc (mb, 1);
10234 emit_struct_conv (mb, klass, FALSE);
10237 mono_mb_emit_byte (mb, CEE_RET);
10240 res = mono_mb_create_method (mb, mono_signature_no_pinvoke (stoptr), 0);
10243 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_STRUCTURE_TO_PTR);
10244 mono_marshal_set_wrapper_info (res, info);
10246 klass->marshal_info->str_to_ptr = res;
10251 * mono_marshal_get_ptr_to_struct:
10254 * generates IL code for PtrToStructure (IntPtr src, object structure)
10255 * The wrapper info for the wrapper is a WrapperInfo structure.
10258 mono_marshal_get_ptr_to_struct (MonoClass *klass)
10260 MonoMethodBuilder *mb;
10261 static MonoMethodSignature *ptostr = NULL;
10265 g_assert (klass != NULL);
10267 mono_marshal_load_type_info (klass);
10269 if (klass->marshal_info->ptr_to_str)
10270 return klass->marshal_info->ptr_to_str;
10273 MonoMethodSignature *sig;
10275 /* Create the signature corresponding to
10276 static void PtrToStructure (IntPtr ptr, object structure);
10277 defined in class/corlib/System.Runtime.InteropServices/Marshal.cs */
10278 sig = mono_create_icall_signature ("void ptr object");
10279 sig = signature_dup (mono_defaults.corlib, sig);
10281 mono_memory_barrier ();
10285 mb = mono_mb_new (klass, "PtrToStructure", MONO_WRAPPER_UNKNOWN);
10287 #ifndef DISABLE_JIT
10288 if (klass->blittable) {
10289 mono_mb_emit_byte (mb, CEE_LDARG_1);
10290 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
10291 mono_mb_emit_byte (mb, CEE_LDARG_0);
10292 mono_mb_emit_icon (mb, mono_class_value_size (klass, NULL));
10293 mono_mb_emit_byte (mb, CEE_PREFIX1);
10294 mono_mb_emit_byte (mb, CEE_CPBLK);
10297 /* allocate local 0 (pointer) src_ptr */
10298 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10299 /* allocate local 1 (pointer) dst_ptr */
10300 mono_mb_add_local (mb, &klass->this_arg);
10302 /* initialize src_ptr to point to the start of object data */
10303 mono_mb_emit_byte (mb, CEE_LDARG_0);
10304 mono_mb_emit_stloc (mb, 0);
10306 /* initialize dst_ptr */
10307 mono_mb_emit_byte (mb, CEE_LDARG_1);
10308 mono_mb_emit_op (mb, CEE_UNBOX, klass);
10309 mono_mb_emit_stloc (mb, 1);
10311 emit_struct_conv (mb, klass, TRUE);
10314 mono_mb_emit_byte (mb, CEE_RET);
10317 res = mono_mb_create_method (mb, ptostr, 0);
10320 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_PTR_TO_STRUCTURE);
10321 mono_marshal_set_wrapper_info (res, info);
10323 klass->marshal_info->ptr_to_str = res;
10328 * Return a dummy wrapper for METHOD which is called by synchronized wrappers.
10329 * This is used to avoid infinite recursion since it is hard to determine where to
10330 * replace a method with its synchronized wrapper, and where not.
10331 * The runtime should execute METHOD instead of the wrapper.
10332 * The wrapper info for the wrapper is a WrapperInfo structure.
10335 mono_marshal_get_synchronized_inner_wrapper (MonoMethod *method)
10337 MonoMethodBuilder *mb;
10339 MonoMethodSignature *sig;
10341 MonoGenericContext *ctx = NULL;
10342 MonoMethod *orig_method = NULL;
10343 MonoGenericContainer *container = NULL;
10345 if (method->is_inflated && !mono_method_get_context (method)->method_inst) {
10346 orig_method = method;
10347 ctx = &((MonoMethodInflated*)method)->context;
10348 method = ((MonoMethodInflated*)method)->declaring;
10349 container = mono_method_get_generic_container (method);
10351 container = method->klass->generic_container;
10352 g_assert (container);
10355 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_UNKNOWN);
10356 #ifndef DISABLE_JIT
10357 mono_mb_emit_exception_full (mb, "System", "ExecutionEngineException", "Shouldn't be called.");
10358 mono_mb_emit_byte (mb, CEE_RET);
10360 sig = signature_dup (method->klass->image, mono_method_signature (method));
10361 res = mono_mb_create_method (mb, sig, 0);
10363 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_SYNCHRONIZED_INNER);
10364 info->d.synchronized_inner.method = method;
10365 mono_marshal_set_wrapper_info (res, info);
10367 res = mono_class_inflate_generic_method (res, ctx);
10372 * generates IL code for the synchronized wrapper: the generated method
10373 * calls METHOD while locking 'this' or the parent type.
10376 mono_marshal_get_synchronized_wrapper (MonoMethod *method)
10378 static MonoMethod *enter_method, *exit_method, *gettypefromhandle_method;
10379 MonoMethodSignature *sig;
10380 MonoExceptionClause *clause;
10381 MonoMethodBuilder *mb;
10384 int i, pos, this_local, ret_local = 0;
10385 MonoGenericContext *ctx = NULL;
10386 MonoMethod *orig_method = NULL;
10387 MonoGenericContainer *container = NULL;
10391 if (method->wrapper_type == MONO_WRAPPER_SYNCHRONIZED)
10394 /* FIXME: Support generic methods too */
10395 if (method->is_inflated && !mono_method_get_context (method)->method_inst) {
10396 orig_method = method;
10397 ctx = &((MonoMethodInflated*)method)->context;
10398 method = ((MonoMethodInflated*)method)->declaring;
10399 container = mono_method_get_generic_container (method);
10401 container = method->klass->generic_container;
10402 g_assert (container);
10409 cache = get_cache (&method->klass->image->synchronized_generic_cache, mono_aligned_addr_hash, NULL);
10410 res = check_generic_wrapper_cache (cache, orig_method, orig_method, method);
10414 cache = get_cache (&method->klass->image->synchronized_cache, mono_aligned_addr_hash, NULL);
10415 if ((res = mono_marshal_find_in_cache (cache, method)))
10419 sig = signature_dup (method->klass->image, mono_method_signature (method));
10422 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_SYNCHRONIZED);
10424 #ifndef DISABLE_JIT
10426 if (!MONO_TYPE_IS_VOID (sig->ret))
10427 ret_local = mono_mb_add_local (mb, sig->ret);
10430 if (method->klass->valuetype && !(method->flags & MONO_METHOD_ATTR_STATIC)) {
10431 mono_class_set_failure (method->klass, MONO_EXCEPTION_TYPE_LOAD, NULL);
10432 #ifndef DISABLE_JIT
10433 /* This will throw the type load exception when the wrapper is compiled */
10434 mono_mb_emit_byte (mb, CEE_LDNULL);
10435 mono_mb_emit_op (mb, CEE_ISINST, method->klass);
10436 mono_mb_emit_byte (mb, CEE_POP);
10438 if (!MONO_TYPE_IS_VOID (sig->ret))
10439 mono_mb_emit_ldloc (mb, ret_local);
10440 mono_mb_emit_byte (mb, CEE_RET);
10443 res = mono_mb_create_and_cache (cache, method,
10444 mb, sig, sig->param_count + 16);
10450 #ifndef DISABLE_JIT
10452 this_local = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
10454 clause = mono_image_alloc0 (method->klass->image, sizeof (MonoExceptionClause));
10455 clause->flags = MONO_EXCEPTION_CLAUSE_FINALLY;
10458 mono_loader_lock ();
10460 if (!enter_method) {
10461 MonoMethodDesc *desc;
10463 desc = mono_method_desc_new ("Monitor:Enter", FALSE);
10464 enter_method = mono_method_desc_search_in_class (desc, mono_defaults.monitor_class);
10465 g_assert (enter_method);
10466 mono_method_desc_free (desc);
10468 desc = mono_method_desc_new ("Monitor:Exit", FALSE);
10469 exit_method = mono_method_desc_search_in_class (desc, mono_defaults.monitor_class);
10470 g_assert (exit_method);
10471 mono_method_desc_free (desc);
10473 desc = mono_method_desc_new ("Type:GetTypeFromHandle", FALSE);
10474 gettypefromhandle_method = mono_method_desc_search_in_class (desc, mono_defaults.monotype_class->parent);
10475 g_assert (gettypefromhandle_method);
10476 mono_method_desc_free (desc);
10479 mono_loader_unlock ();
10481 #ifndef DISABLE_JIT
10482 /* Push this or the type object */
10483 if (method->flags & METHOD_ATTRIBUTE_STATIC) {
10484 /* We have special handling for this in the JIT */
10485 int index = mono_mb_add_data (mb, method->klass);
10486 mono_mb_add_data (mb, mono_defaults.typehandle_class);
10487 mono_mb_emit_byte (mb, CEE_LDTOKEN);
10488 mono_mb_emit_i4 (mb, index);
10490 mono_mb_emit_managed_call (mb, gettypefromhandle_method, NULL);
10493 mono_mb_emit_ldarg (mb, 0);
10494 mono_mb_emit_stloc (mb, this_local);
10496 /* Call Monitor::Enter() */
10497 mono_mb_emit_ldloc (mb, this_local);
10498 mono_mb_emit_managed_call (mb, enter_method, NULL);
10500 clause->try_offset = mono_mb_get_label (mb);
10502 /* Call the method */
10504 mono_mb_emit_ldarg (mb, 0);
10505 for (i = 0; i < sig->param_count; i++)
10506 mono_mb_emit_ldarg (mb, i + (sig->hasthis == TRUE));
10509 mono_mb_emit_managed_call (mb, mono_class_inflate_generic_method (method, &container->context), NULL);
10511 mono_mb_emit_managed_call (mb, method, NULL);
10513 if (!MONO_TYPE_IS_VOID (sig->ret))
10514 mono_mb_emit_stloc (mb, ret_local);
10516 pos = mono_mb_emit_branch (mb, CEE_LEAVE);
10518 clause->try_len = mono_mb_get_pos (mb) - clause->try_offset;
10519 clause->handler_offset = mono_mb_get_label (mb);
10521 /* Call Monitor::Exit() */
10522 mono_mb_emit_ldloc (mb, this_local);
10523 mono_mb_emit_managed_call (mb, exit_method, NULL);
10524 mono_mb_emit_byte (mb, CEE_ENDFINALLY);
10526 clause->handler_len = mono_mb_get_pos (mb) - clause->handler_offset;
10528 mono_mb_patch_branch (mb, pos);
10529 if (!MONO_TYPE_IS_VOID (sig->ret))
10530 mono_mb_emit_ldloc (mb, ret_local);
10531 mono_mb_emit_byte (mb, CEE_RET);
10533 mono_mb_set_clauses (mb, 1, clause);
10538 def = mono_mb_create_and_cache (cache, method, mb, sig, sig->param_count + 16);
10539 res = cache_generic_wrapper (cache, orig_method, def, ctx, orig_method);
10541 res = mono_mb_create_and_cache (cache, method,
10542 mb, sig, sig->param_count + 16);
10551 * the returned method calls 'method' unboxing the this argument
10554 mono_marshal_get_unbox_wrapper (MonoMethod *method)
10556 MonoMethodSignature *sig = mono_method_signature (method);
10558 MonoMethodBuilder *mb;
10562 cache = get_cache (&method->klass->image->unbox_wrapper_cache, mono_aligned_addr_hash, NULL);
10563 if ((res = mono_marshal_find_in_cache (cache, method)))
10566 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_UNBOX);
10568 g_assert (sig->hasthis);
10570 #ifndef DISABLE_JIT
10571 mono_mb_emit_ldarg (mb, 0);
10572 mono_mb_emit_icon (mb, sizeof (MonoObject));
10573 mono_mb_emit_byte (mb, CEE_ADD);
10574 for (i = 0; i < sig->param_count; ++i)
10575 mono_mb_emit_ldarg (mb, i + 1);
10576 mono_mb_emit_managed_call (mb, method, NULL);
10577 mono_mb_emit_byte (mb, CEE_RET);
10580 res = mono_mb_create_and_cache (cache, method,
10581 mb, sig, sig->param_count + 16);
10584 /* code_for (res); */
10590 STELEMREF_OBJECT, /*no check at all*/
10591 STELEMREF_SEALED_CLASS, /*check vtable->klass->element_type */
10592 STELEMREF_CLASS, /*only the klass->parents check*/
10593 STELEMREF_INTERFACE, /*interfaces without variant generic arguments. */
10594 STELEMREF_COMPLEX, /*arrays, MBR or types with variant generic args - go straight to icalls*/
10595 STELEMREF_KIND_COUNT
10598 static const char *strelemref_wrapper_name[] = {
10599 "object", "sealed_class", "class", "interface", "complex"
10603 is_monomorphic_array (MonoClass *klass)
10605 MonoClass *element_class;
10606 if (klass->rank != 1)
10609 element_class = klass->element_class;
10610 return (element_class->flags & TYPE_ATTRIBUTE_SEALED) || element_class->valuetype;
10614 get_virtual_stelemref_kind (MonoClass *element_class)
10616 if (element_class == mono_defaults.object_class)
10617 return STELEMREF_OBJECT;
10618 if (is_monomorphic_array (element_class))
10619 return STELEMREF_SEALED_CLASS;
10620 /* Compressed interface bitmaps require code that is quite complex, so don't optimize for it. */
10621 if (MONO_CLASS_IS_INTERFACE (element_class) && !mono_class_has_variant_generic_params (element_class))
10622 #ifdef COMPRESSED_INTERFACE_BITMAP
10623 return STELEMREF_COMPLEX;
10625 return STELEMREF_INTERFACE;
10627 /*Arrays are sealed but are covariant on their element type, We can't use any of the fast paths.*/
10628 if (mono_class_is_marshalbyref (element_class) || element_class->rank || mono_class_has_variant_generic_params (element_class))
10629 return STELEMREF_COMPLEX;
10630 if (element_class->flags & TYPE_ATTRIBUTE_SEALED)
10631 return STELEMREF_SEALED_CLASS;
10632 return STELEMREF_CLASS;
10635 #ifndef DISABLE_JIT
10638 load_array_element_address (MonoMethodBuilder *mb)
10640 mono_mb_emit_ldarg (mb, 0);
10641 mono_mb_emit_ldarg (mb, 1);
10642 mono_mb_emit_op (mb, CEE_LDELEMA, mono_defaults.object_class);
10646 load_array_class (MonoMethodBuilder *mb, int aklass)
10648 mono_mb_emit_ldarg (mb, 0);
10649 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
10650 mono_mb_emit_byte (mb, CEE_LDIND_I);
10651 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, klass));
10652 mono_mb_emit_byte (mb, CEE_LDIND_I);
10653 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, element_class));
10654 mono_mb_emit_byte (mb, CEE_LDIND_I);
10655 mono_mb_emit_stloc (mb, aklass);
10659 load_value_class (MonoMethodBuilder *mb, int vklass)
10661 mono_mb_emit_ldarg (mb, 2);
10662 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
10663 mono_mb_emit_byte (mb, CEE_LDIND_I);
10664 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, klass));
10665 mono_mb_emit_byte (mb, CEE_LDIND_I);
10666 mono_mb_emit_stloc (mb, vklass);
10672 record_slot_vstore (MonoObject *array, size_t index, MonoObject *value)
10674 char *name = mono_type_get_full_name (array->vtable->klass->element_class);
10675 printf ("slow vstore of %s\n", name);
10681 * The wrapper info for the wrapper is a WrapperInfo structure.
10684 * - Separate simple interfaces from variant interfaces or mbr types. This way we can avoid the icall for them.
10685 * - Emit a (new) mono bytecode that produces OP_COND_EXC_NE_UN to raise ArrayTypeMismatch
10686 * - Maybe mve some MonoClass field into the vtable to reduce the number of loads
10687 * - Add a case for arrays of arrays.
10690 get_virtual_stelemref_wrapper (int kind)
10692 static MonoMethod *cached_methods [STELEMREF_KIND_COUNT] = { NULL }; /*object iface sealed regular*/
10693 static MonoMethodSignature *signature;
10694 MonoMethodBuilder *mb;
10697 const char *param_names [16];
10698 guint32 b1, b2, b3;
10699 int aklass, vklass, vtable, uiid;
10700 int array_slot_addr;
10703 if (cached_methods [kind])
10704 return cached_methods [kind];
10706 name = g_strdup_printf ("virt_stelemref_%s", strelemref_wrapper_name [kind]);
10707 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_STELEMREF);
10711 MonoMethodSignature *sig = mono_metadata_signature_alloc (mono_defaults.corlib, 2);
10713 /* void this::stelemref (size_t idx, void* value) */
10714 sig->ret = &mono_defaults.void_class->byval_arg;
10715 sig->hasthis = TRUE;
10716 sig->params [0] = &mono_defaults.int_class->byval_arg; /* this is a natural sized int */
10717 sig->params [1] = &mono_defaults.object_class->byval_arg;
10721 #ifndef DISABLE_JIT
10722 param_names [0] = "index";
10723 param_names [1] = "value";
10724 mono_mb_set_param_names (mb, param_names);
10726 /*For now simply call plain old stelemref*/
10728 case STELEMREF_OBJECT:
10729 /* ldelema (implicit bound check) */
10730 load_array_element_address (mb);
10732 mono_mb_emit_ldarg (mb, 2);
10733 mono_mb_emit_byte (mb, CEE_STIND_REF);
10734 mono_mb_emit_byte (mb, CEE_RET);
10737 case STELEMREF_COMPLEX:
10739 <ldelema (bound check)>
10742 if (!mono_object_isinst (value, aklass))
10746 *array_slot_addr = value;
10749 throw new ArrayTypeMismatchException ();
10752 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10753 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
10757 /*Use this to debug/record stores that are going thru the slow path*/
10758 MonoMethodSignature *csig;
10759 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
10760 csig->ret = &mono_defaults.void_class->byval_arg;
10761 csig->params [0] = &mono_defaults.object_class->byval_arg;
10762 csig->params [1] = &mono_defaults.int_class->byval_arg; /* this is a natural sized int */
10763 csig->params [2] = &mono_defaults.object_class->byval_arg;
10764 mono_mb_emit_ldarg (mb, 0);
10765 mono_mb_emit_ldarg (mb, 1);
10766 mono_mb_emit_ldarg (mb, 2);
10767 mono_mb_emit_native_call (mb, csig, record_slot_vstore);
10771 /* ldelema (implicit bound check) */
10772 load_array_element_address (mb);
10773 mono_mb_emit_stloc (mb, array_slot_addr);
10775 /* if (!value) goto do_store */
10776 mono_mb_emit_ldarg (mb, 2);
10777 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
10779 /* aklass = array->vtable->klass->element_class */
10780 load_array_class (mb, aklass);
10782 /*if (mono_object_isinst (value, aklass)) */
10783 mono_mb_emit_ldarg (mb, 2);
10784 mono_mb_emit_ldloc (mb, aklass);
10785 mono_mb_emit_icall (mb, mono_object_isinst);
10786 b2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
10789 mono_mb_patch_branch (mb, b1);
10790 mono_mb_emit_ldloc (mb, array_slot_addr);
10791 mono_mb_emit_ldarg (mb, 2);
10792 mono_mb_emit_byte (mb, CEE_STIND_REF);
10793 mono_mb_emit_byte (mb, CEE_RET);
10795 /* do_exception: */
10796 mono_mb_patch_branch (mb, b2);
10798 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
10801 case STELEMREF_SEALED_CLASS:
10803 <ldelema (bound check)>
10807 aklass = array->vtable->klass->element_class;
10808 vklass = value->vtable->klass;
10810 if (vklass != aklass)
10814 *array_slot_addr = value;
10817 throw new ArrayTypeMismatchException ();
10819 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10820 vklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10821 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
10824 /* ldelema (implicit bound check) */
10825 load_array_element_address (mb);
10826 mono_mb_emit_stloc (mb, array_slot_addr);
10828 /* if (!value) goto do_store */
10829 mono_mb_emit_ldarg (mb, 2);
10830 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
10832 /* aklass = array->vtable->klass->element_class */
10833 load_array_class (mb, aklass);
10835 /* vklass = value->vtable->klass */
10836 load_value_class (mb, vklass);
10838 /*if (vklass != aklass) goto do_exception; */
10839 mono_mb_emit_ldloc (mb, aklass);
10840 mono_mb_emit_ldloc (mb, vklass);
10841 b2 = mono_mb_emit_branch (mb, CEE_BNE_UN);
10844 mono_mb_patch_branch (mb, b1);
10845 mono_mb_emit_ldloc (mb, array_slot_addr);
10846 mono_mb_emit_ldarg (mb, 2);
10847 mono_mb_emit_byte (mb, CEE_STIND_REF);
10848 mono_mb_emit_byte (mb, CEE_RET);
10850 /* do_exception: */
10851 mono_mb_patch_branch (mb, b2);
10852 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
10855 case STELEMREF_CLASS:
10858 <ldelema (bound check)>
10862 aklass = array->vtable->klass->element_class;
10863 vklass = value->vtable->klass;
10865 if (vklass->idepth < aklass->idepth)
10868 if (vklass->supertypes [aklass->idepth - 1] != aklass)
10872 *array_slot_addr = value;
10876 throw new ArrayTypeMismatchException ();
10878 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10879 vklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10880 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
10882 /* ldelema (implicit bound check) */
10883 load_array_element_address (mb);
10884 mono_mb_emit_stloc (mb, array_slot_addr);
10886 /* if (!value) goto do_store */
10887 mono_mb_emit_ldarg (mb, 2);
10888 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
10890 /* aklass = array->vtable->klass->element_class */
10891 load_array_class (mb, aklass);
10893 /* vklass = value->vtable->klass */
10894 load_value_class (mb, vklass);
10896 /*if (mono_object_isinst (value, aklass)) */
10897 mono_mb_emit_ldarg (mb, 2);
10898 mono_mb_emit_ldloc (mb, aklass);
10899 mono_mb_emit_icall (mb, mono_object_isinst);
10900 b2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
10902 /* if (vklass->idepth < aklass->idepth) goto failue */
10903 mono_mb_emit_ldloc (mb, vklass);
10904 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
10905 mono_mb_emit_byte (mb, CEE_LDIND_U2);
10907 mono_mb_emit_ldloc (mb, aklass);
10908 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
10909 mono_mb_emit_byte (mb, CEE_LDIND_U2);
10911 b2 = mono_mb_emit_branch (mb, CEE_BLT_UN);
10913 /* if (vklass->supertypes [aklass->idepth - 1] != aklass) goto failure */
10914 mono_mb_emit_ldloc (mb, vklass);
10915 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, supertypes));
10916 mono_mb_emit_byte (mb, CEE_LDIND_I);
10918 mono_mb_emit_ldloc (mb, aklass);
10919 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
10920 mono_mb_emit_byte (mb, CEE_LDIND_U2);
10921 mono_mb_emit_icon (mb, 1);
10922 mono_mb_emit_byte (mb, CEE_SUB);
10923 mono_mb_emit_icon (mb, sizeof (void*));
10924 mono_mb_emit_byte (mb, CEE_MUL);
10925 mono_mb_emit_byte (mb, CEE_ADD);
10926 mono_mb_emit_byte (mb, CEE_LDIND_I);
10928 mono_mb_emit_ldloc (mb, aklass);
10929 b3 = mono_mb_emit_branch (mb, CEE_BNE_UN);
10932 mono_mb_patch_branch (mb, b1);
10933 mono_mb_emit_ldloc (mb, array_slot_addr);
10934 mono_mb_emit_ldarg (mb, 2);
10935 mono_mb_emit_byte (mb, CEE_STIND_REF);
10936 mono_mb_emit_byte (mb, CEE_RET);
10938 /* do_exception: */
10939 mono_mb_patch_branch (mb, b2);
10940 mono_mb_patch_branch (mb, b3);
10942 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
10945 case STELEMREF_INTERFACE:
10952 klass = array->obj.vtable->klass->element_class;
10953 vt = value->vtable;
10954 uiid = klass->interface_id;
10955 if (uiid > vt->max_interface_id)
10957 if (!(vt->interface_bitmap [(uiid) >> 3] & (1 << ((uiid)&7))))
10960 mono_array_setref (array, index, value);
10963 mono_raise_exception (mono_get_exception_array_type_mismatch ());*/
10965 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
10966 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10967 vtable = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10968 uiid = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
10970 /* ldelema (implicit bound check) */
10971 load_array_element_address (mb);
10972 mono_mb_emit_stloc (mb, array_slot_addr);
10974 /* if (!value) goto do_store */
10975 mono_mb_emit_ldarg (mb, 2);
10976 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
10978 /* klass = array->vtable->klass->element_class */
10979 load_array_class (mb, aklass);
10981 /* vt = value->vtable */
10982 mono_mb_emit_ldarg (mb, 2);
10983 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
10984 mono_mb_emit_byte (mb, CEE_LDIND_I);
10985 mono_mb_emit_stloc (mb, vtable);
10987 /* uiid = klass->interface_id; */
10988 mono_mb_emit_ldloc (mb, aklass);
10989 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, interface_id));
10990 mono_mb_emit_byte (mb, CEE_LDIND_U2);
10991 mono_mb_emit_stloc (mb, uiid);
10993 /*if (uiid > vt->max_interface_id)*/
10994 mono_mb_emit_ldloc (mb, uiid);
10995 mono_mb_emit_ldloc (mb, vtable);
10996 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, max_interface_id));
10997 mono_mb_emit_byte (mb, CEE_LDIND_U2);
10998 b2 = mono_mb_emit_branch (mb, CEE_BGT_UN);
11000 /* if (!(vt->interface_bitmap [(uiid) >> 3] & (1 << ((uiid)&7)))) */
11002 /*vt->interface_bitmap*/
11003 mono_mb_emit_ldloc (mb, vtable);
11004 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, interface_bitmap));
11005 mono_mb_emit_byte (mb, CEE_LDIND_I);
11008 mono_mb_emit_ldloc (mb, uiid);
11009 mono_mb_emit_icon (mb, 3);
11010 mono_mb_emit_byte (mb, CEE_SHR_UN);
11012 /*vt->interface_bitmap [(uiid) >> 3]*/
11013 mono_mb_emit_byte (mb, CEE_ADD); /*interface_bitmap is a guint8 array*/
11014 mono_mb_emit_byte (mb, CEE_LDIND_U1);
11016 /*(1 << ((uiid)&7)))*/
11017 mono_mb_emit_icon (mb, 1);
11018 mono_mb_emit_ldloc (mb, uiid);
11019 mono_mb_emit_icon (mb, 7);
11020 mono_mb_emit_byte (mb, CEE_AND);
11021 mono_mb_emit_byte (mb, CEE_SHL);
11023 /*bitwise and the whole thing*/
11024 mono_mb_emit_byte (mb, CEE_AND);
11025 b3 = mono_mb_emit_branch (mb, CEE_BRFALSE);
11028 mono_mb_patch_branch (mb, b1);
11029 mono_mb_emit_ldloc (mb, array_slot_addr);
11030 mono_mb_emit_ldarg (mb, 2);
11031 mono_mb_emit_byte (mb, CEE_STIND_REF);
11032 mono_mb_emit_byte (mb, CEE_RET);
11034 /* do_exception: */
11035 mono_mb_patch_branch (mb, b2);
11036 mono_mb_patch_branch (mb, b3);
11037 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
11041 mono_mb_emit_ldarg (mb, 0);
11042 mono_mb_emit_ldarg (mb, 1);
11043 mono_mb_emit_ldarg (mb, 2);
11044 mono_mb_emit_managed_call (mb, mono_marshal_get_stelemref (), NULL);
11045 mono_mb_emit_byte (mb, CEE_RET);
11048 #endif /* DISABLE_JIT */
11050 res = mono_mb_create_method (mb, signature, 4);
11051 res->flags |= METHOD_ATTRIBUTE_VIRTUAL;
11053 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_VIRTUAL_STELEMREF);
11054 info->d.virtual_stelemref.kind = kind;
11055 mono_marshal_set_wrapper_info (res, info);
11057 mono_marshal_lock ();
11058 if (!cached_methods [kind]) {
11059 cached_methods [kind] = res;
11060 mono_marshal_unlock ();
11062 mono_marshal_unlock ();
11063 mono_free_method (res);
11067 return cached_methods [kind];
11071 mono_marshal_get_virtual_stelemref (MonoClass *array_class)
11075 g_assert (array_class->rank == 1);
11076 kind = get_virtual_stelemref_kind (array_class->element_class);
11078 return get_virtual_stelemref_wrapper (kind);
11082 mono_marshal_get_virtual_stelemref_wrappers (int *nwrappers)
11087 *nwrappers = STELEMREF_KIND_COUNT;
11088 res = g_malloc0 (STELEMREF_KIND_COUNT * sizeof (MonoMethod*));
11089 for (i = 0; i < STELEMREF_KIND_COUNT; ++i)
11090 res [i] = get_virtual_stelemref_wrapper (i);
11095 * The wrapper info for the wrapper is a WrapperInfo structure.
11098 mono_marshal_get_stelemref ()
11100 static MonoMethod* ret = NULL;
11101 MonoMethodSignature *sig;
11102 MonoMethodBuilder *mb;
11105 guint32 b1, b2, b3, b4;
11107 int aklass, vklass;
11108 int array_slot_addr;
11113 mb = mono_mb_new (mono_defaults.object_class, "stelemref", MONO_WRAPPER_STELEMREF);
11116 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
11118 /* void stelemref (void* array, int idx, void* value) */
11119 sig->ret = &mono_defaults.void_class->byval_arg;
11120 sig->params [0] = &mono_defaults.object_class->byval_arg;
11121 sig->params [1] = &mono_defaults.int_class->byval_arg; /* this is a natural sized int */
11122 sig->params [2] = &mono_defaults.object_class->byval_arg;
11124 #ifndef DISABLE_JIT
11125 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
11126 vklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
11127 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
11131 <ldelema (bound check)>
11135 aklass = array->vtable->klass->element_class;
11136 vklass = value->vtable->klass;
11138 if (vklass->idepth < aklass->idepth)
11141 if (vklass->supertypes [aklass->idepth - 1] != aklass)
11145 *array_slot_addr = value;
11149 if (mono_object_isinst (value, aklass))
11152 throw new ArrayTypeMismatchException ();
11155 /* ldelema (implicit bound check) */
11156 mono_mb_emit_ldarg (mb, 0);
11157 mono_mb_emit_ldarg (mb, 1);
11158 mono_mb_emit_op (mb, CEE_LDELEMA, mono_defaults.object_class);
11159 mono_mb_emit_stloc (mb, array_slot_addr);
11161 /* if (!value) goto do_store */
11162 mono_mb_emit_ldarg (mb, 2);
11163 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
11165 /* aklass = array->vtable->klass->element_class */
11166 mono_mb_emit_ldarg (mb, 0);
11167 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
11168 mono_mb_emit_byte (mb, CEE_LDIND_I);
11169 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, klass));
11170 mono_mb_emit_byte (mb, CEE_LDIND_I);
11171 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, element_class));
11172 mono_mb_emit_byte (mb, CEE_LDIND_I);
11173 mono_mb_emit_stloc (mb, aklass);
11175 /* vklass = value->vtable->klass */
11176 mono_mb_emit_ldarg (mb, 2);
11177 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
11178 mono_mb_emit_byte (mb, CEE_LDIND_I);
11179 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, klass));
11180 mono_mb_emit_byte (mb, CEE_LDIND_I);
11181 mono_mb_emit_stloc (mb, vklass);
11183 /* if (vklass->idepth < aklass->idepth) goto failue */
11184 mono_mb_emit_ldloc (mb, vklass);
11185 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
11186 mono_mb_emit_byte (mb, CEE_LDIND_U2);
11188 mono_mb_emit_ldloc (mb, aklass);
11189 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
11190 mono_mb_emit_byte (mb, CEE_LDIND_U2);
11192 b2 = mono_mb_emit_branch (mb, CEE_BLT_UN);
11194 /* if (vklass->supertypes [aklass->idepth - 1] != aklass) goto failure */
11195 mono_mb_emit_ldloc (mb, vklass);
11196 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, supertypes));
11197 mono_mb_emit_byte (mb, CEE_LDIND_I);
11199 mono_mb_emit_ldloc (mb, aklass);
11200 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
11201 mono_mb_emit_byte (mb, CEE_LDIND_U2);
11202 mono_mb_emit_icon (mb, 1);
11203 mono_mb_emit_byte (mb, CEE_SUB);
11204 mono_mb_emit_icon (mb, sizeof (void*));
11205 mono_mb_emit_byte (mb, CEE_MUL);
11206 mono_mb_emit_byte (mb, CEE_ADD);
11207 mono_mb_emit_byte (mb, CEE_LDIND_I);
11209 mono_mb_emit_ldloc (mb, aklass);
11211 b3 = mono_mb_emit_branch (mb, CEE_BNE_UN);
11213 copy_pos = mono_mb_get_label (mb);
11215 mono_mb_patch_branch (mb, b1);
11216 mono_mb_emit_ldloc (mb, array_slot_addr);
11217 mono_mb_emit_ldarg (mb, 2);
11218 mono_mb_emit_byte (mb, CEE_STIND_REF);
11220 mono_mb_emit_byte (mb, CEE_RET);
11223 mono_mb_patch_branch (mb, b2);
11224 mono_mb_patch_branch (mb, b3);
11226 mono_mb_emit_ldarg (mb, 2);
11227 mono_mb_emit_ldloc (mb, aklass);
11228 mono_mb_emit_icall (mb, mono_object_isinst);
11230 b4 = mono_mb_emit_branch (mb, CEE_BRTRUE);
11231 mono_mb_patch_addr (mb, b4, copy_pos - (b4 + 4));
11232 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
11234 mono_mb_emit_byte (mb, CEE_RET);
11237 ret = mono_mb_create_method (mb, sig, 4);
11240 info = mono_wrapper_info_create (ret, WRAPPER_SUBTYPE_NONE);
11241 mono_marshal_set_wrapper_info (ret, info);
11247 * mono_marshal_get_gsharedvt_in_wrapper:
11249 * This wrapper handles calls from normal code to gsharedvt code.
11251 * The wrapper info for the wrapper is a WrapperInfo structure.
11254 mono_marshal_get_gsharedvt_in_wrapper (void)
11256 static MonoMethod* ret = NULL;
11257 MonoMethodSignature *sig;
11258 MonoMethodBuilder *mb;
11264 mb = mono_mb_new (mono_defaults.object_class, "gsharedvt_in", MONO_WRAPPER_UNKNOWN);
11266 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
11267 sig->ret = &mono_defaults.void_class->byval_arg;
11269 #ifndef DISABLE_JIT
11271 * The body is generated by the JIT, we use a wrapper instead of a trampoline so EH works.
11273 mono_mb_emit_byte (mb, CEE_RET);
11276 ret = mono_mb_create_method (mb, sig, 4);
11279 info = mono_wrapper_info_create (ret, WRAPPER_SUBTYPE_GSHAREDVT_IN);
11280 mono_marshal_set_wrapper_info (ret, info);
11286 * mono_marshal_get_gsharedvt_out_wrapper:
11288 * This wrapper handles calls from gsharedvt code to normal code.
11290 * The wrapper info for the wrapper is a WrapperInfo structure.
11293 mono_marshal_get_gsharedvt_out_wrapper (void)
11295 static MonoMethod* ret = NULL;
11296 MonoMethodSignature *sig;
11297 MonoMethodBuilder *mb;
11303 mb = mono_mb_new (mono_defaults.object_class, "gsharedvt_out", MONO_WRAPPER_UNKNOWN);
11305 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
11306 sig->ret = &mono_defaults.void_class->byval_arg;
11308 #ifndef DISABLE_JIT
11310 * The body is generated by the JIT, we use a wrapper instead of a trampoline so EH works.
11312 mono_mb_emit_byte (mb, CEE_RET);
11315 ret = mono_mb_create_method (mb, sig, 4);
11318 info = mono_wrapper_info_create (ret, WRAPPER_SUBTYPE_GSHAREDVT_OUT);
11319 mono_marshal_set_wrapper_info (ret, info);
11327 MonoMethod *method;
11330 /* LOCKING: vars accessed under the marshal lock */
11331 static ArrayElemAddr *elem_addr_cache = NULL;
11332 static int elem_addr_cache_size = 0;
11333 static int elem_addr_cache_next = 0;
11336 * mono_marshal_get_array_address:
11337 * @rank: rank of the array type
11338 * @elem_size: size in bytes of an element of an array.
11340 * Returns a MonoMethd that implements the code to get the address
11341 * of an element in a multi-dimenasional array of @rank dimensions.
11342 * The returned method takes an array as the first argument and then
11343 * @rank indexes for the @rank dimensions.
11346 mono_marshal_get_array_address (int rank, int elem_size)
11349 MonoMethodBuilder *mb;
11350 MonoMethodSignature *sig;
11351 int i, bounds, ind, realidx;
11352 int branch_pos, *branch_positions;
11356 mono_marshal_lock ();
11357 for (i = 0; i < elem_addr_cache_next; ++i) {
11358 if (elem_addr_cache [i].rank == rank && elem_addr_cache [i].elem_size == elem_size) {
11359 ret = elem_addr_cache [i].method;
11363 mono_marshal_unlock ();
11367 branch_positions = g_new0 (int, rank);
11369 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1 + rank);
11371 /* void* address (void* array, int idx0, int idx1, int idx2, ...) */
11372 sig->ret = &mono_defaults.int_class->byval_arg;
11373 sig->params [0] = &mono_defaults.object_class->byval_arg;
11374 for (i = 0; i < rank; ++i) {
11375 sig->params [i + 1] = &mono_defaults.int32_class->byval_arg;
11378 mb = mono_mb_new (mono_defaults.object_class, "ElementAddr", MONO_WRAPPER_MANAGED_TO_MANAGED);
11380 #ifndef DISABLE_JIT
11381 bounds = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
11382 ind = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
11383 realidx = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
11385 /* bounds = array->bounds; */
11386 mono_mb_emit_ldarg (mb, 0);
11387 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoArray, bounds));
11388 mono_mb_emit_byte (mb, CEE_LDIND_I);
11389 mono_mb_emit_stloc (mb, bounds);
11391 /* ind is the overall element index, realidx is the partial index in a single dimension */
11392 /* ind = idx0 - bounds [0].lower_bound */
11393 mono_mb_emit_ldarg (mb, 1);
11394 mono_mb_emit_ldloc (mb, bounds);
11395 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArrayBounds, lower_bound));
11396 mono_mb_emit_byte (mb, CEE_ADD);
11397 mono_mb_emit_byte (mb, CEE_LDIND_I4);
11398 mono_mb_emit_byte (mb, CEE_SUB);
11399 mono_mb_emit_stloc (mb, ind);
11400 /* if (ind >= bounds [0].length) goto exeception; */
11401 mono_mb_emit_ldloc (mb, ind);
11402 mono_mb_emit_ldloc (mb, bounds);
11403 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArrayBounds, length));
11404 mono_mb_emit_byte (mb, CEE_ADD);
11405 mono_mb_emit_byte (mb, CEE_LDIND_I4);
11406 /* note that we use unsigned comparison */
11407 branch_pos = mono_mb_emit_branch (mb, CEE_BGE_UN);
11409 /* For large ranks (> 4?) use a loop n IL later to reduce code size.
11410 * We could also decide to ignore the passed elem_size and get it
11411 * from the array object, to reduce the number of methods we generate:
11412 * the additional cost is 3 memory loads and a non-immediate mul.
11414 for (i = 1; i < rank; ++i) {
11415 /* realidx = idxi - bounds [i].lower_bound */
11416 mono_mb_emit_ldarg (mb, 1 + i);
11417 mono_mb_emit_ldloc (mb, bounds);
11418 mono_mb_emit_icon (mb, (i * sizeof (MonoArrayBounds)) + G_STRUCT_OFFSET (MonoArrayBounds, lower_bound));
11419 mono_mb_emit_byte (mb, CEE_ADD);
11420 mono_mb_emit_byte (mb, CEE_LDIND_I4);
11421 mono_mb_emit_byte (mb, CEE_SUB);
11422 mono_mb_emit_stloc (mb, realidx);
11423 /* if (realidx >= bounds [i].length) goto exeception; */
11424 mono_mb_emit_ldloc (mb, realidx);
11425 mono_mb_emit_ldloc (mb, bounds);
11426 mono_mb_emit_icon (mb, (i * sizeof (MonoArrayBounds)) + G_STRUCT_OFFSET (MonoArrayBounds, length));
11427 mono_mb_emit_byte (mb, CEE_ADD);
11428 mono_mb_emit_byte (mb, CEE_LDIND_I4);
11429 branch_positions [i] = mono_mb_emit_branch (mb, CEE_BGE_UN);
11430 /* ind = ind * bounds [i].length + realidx */
11431 mono_mb_emit_ldloc (mb, ind);
11432 mono_mb_emit_ldloc (mb, bounds);
11433 mono_mb_emit_icon (mb, (i * sizeof (MonoArrayBounds)) + G_STRUCT_OFFSET (MonoArrayBounds, length));
11434 mono_mb_emit_byte (mb, CEE_ADD);
11435 mono_mb_emit_byte (mb, CEE_LDIND_I4);
11436 mono_mb_emit_byte (mb, CEE_MUL);
11437 mono_mb_emit_ldloc (mb, realidx);
11438 mono_mb_emit_byte (mb, CEE_ADD);
11439 mono_mb_emit_stloc (mb, ind);
11442 /* return array->vector + ind * element_size */
11443 mono_mb_emit_ldarg (mb, 0);
11444 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoArray, vector));
11445 mono_mb_emit_ldloc (mb, ind);
11446 mono_mb_emit_icon (mb, elem_size);
11447 mono_mb_emit_byte (mb, CEE_MUL);
11448 mono_mb_emit_byte (mb, CEE_ADD);
11449 mono_mb_emit_byte (mb, CEE_RET);
11451 /* patch the branches to get here and throw */
11452 for (i = 1; i < rank; ++i) {
11453 mono_mb_patch_branch (mb, branch_positions [i]);
11455 mono_mb_patch_branch (mb, branch_pos);
11456 /* throw exception */
11457 mono_mb_emit_exception (mb, "IndexOutOfRangeException", NULL);
11459 g_free (branch_positions);
11460 #endif /* DISABLE_JIT */
11462 ret = mono_mb_create_method (mb, sig, 4);
11465 /* cache the result */
11467 mono_marshal_lock ();
11468 for (i = 0; i < elem_addr_cache_next; ++i) {
11469 if (elem_addr_cache [i].rank == rank && elem_addr_cache [i].elem_size == elem_size) {
11470 /* FIXME: free ret */
11471 ret = elem_addr_cache [i].method;
11479 if (elem_addr_cache_next >= elem_addr_cache_size) {
11480 int new_size = elem_addr_cache_size + 4;
11481 ArrayElemAddr *new_array = g_new0 (ArrayElemAddr, new_size);
11482 memcpy (new_array, elem_addr_cache, elem_addr_cache_size * sizeof (ArrayElemAddr));
11483 g_free (elem_addr_cache);
11484 elem_addr_cache = new_array;
11485 elem_addr_cache_size = new_size;
11487 elem_addr_cache [elem_addr_cache_next].rank = rank;
11488 elem_addr_cache [elem_addr_cache_next].elem_size = elem_size;
11489 elem_addr_cache [elem_addr_cache_next].method = ret;
11490 elem_addr_cache_next ++;
11492 info = mono_wrapper_info_create (ret, WRAPPER_SUBTYPE_ELEMENT_ADDR);
11493 info->d.element_addr.rank = rank;
11494 info->d.element_addr.elem_size = elem_size;
11495 mono_marshal_set_wrapper_info (ret, info);
11497 mono_marshal_unlock ();
11502 * mono_marshal_get_array_accessor_wrapper:
11504 * Return a wrapper which just calls METHOD, which should be an Array Get/Set/Address method.
11507 mono_marshal_get_array_accessor_wrapper (MonoMethod *method)
11509 MonoMethodSignature *sig;
11510 MonoMethodBuilder *mb;
11514 MonoGenericContext *ctx = NULL;
11515 MonoMethod *orig_method = NULL;
11516 MonoGenericContainer *container = NULL;
11520 * These wrappers are needed to avoid the JIT replacing the calls to these methods with intrinsics
11521 * inside runtime invoke wrappers, thereby making the wrappers not unshareable.
11522 * FIXME: Use generic methods.
11529 g_assert_not_reached ();
11531 cache = get_cache (&method->klass->image->array_accessor_cache, mono_aligned_addr_hash, NULL);
11532 if ((res = mono_marshal_find_in_cache (cache, method)))
11536 sig = signature_dup (method->klass->image, mono_method_signature (method));
11539 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_UNKNOWN);
11541 #ifndef DISABLE_JIT
11542 /* Call the method */
11544 mono_mb_emit_ldarg (mb, 0);
11545 for (i = 0; i < sig->param_count; i++)
11546 mono_mb_emit_ldarg (mb, i + (sig->hasthis == TRUE));
11549 mono_mb_emit_managed_call (mb, mono_class_inflate_generic_method (method, &container->context), NULL);
11551 mono_mb_emit_managed_call (mb, method, NULL);
11552 mono_mb_emit_byte (mb, CEE_RET);
11557 def = mono_mb_create_and_cache (cache, method, mb, sig, sig->param_count + 16);
11558 res = cache_generic_wrapper (cache, orig_method, def, ctx, orig_method);
11560 res = mono_mb_create_and_cache (cache, method,
11561 mb, sig, sig->param_count + 16);
11562 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_ARRAY_ACCESSOR);
11563 info->d.array_accessor.method = method;
11564 mono_marshal_set_wrapper_info (res, info);
11572 mono_marshal_alloc (gulong size)
11577 res = CoTaskMemAlloc (size);
11579 res = g_try_malloc ((gulong)size);
11581 mono_gc_out_of_memory ((gulong)size);
11587 mono_marshal_free (gpointer ptr)
11590 CoTaskMemFree (ptr);
11597 mono_marshal_free_array (gpointer *ptr, int size)
11604 for (i = 0; i < size; i++)
11610 mono_marshal_string_to_utf16 (MonoString *s)
11612 return s ? mono_string_chars (s) : NULL;
11616 mono_marshal_string_to_utf16_copy (MonoString *s)
11621 gunichar2 *res = mono_marshal_alloc ((mono_string_length (s) * 2) + 2);
11622 memcpy (res, mono_string_chars (s), mono_string_length (s) * 2);
11623 res [mono_string_length (s)] = 0;
11629 * mono_marshal_set_last_error:
11631 * This function is invoked to set the last error value from a P/Invoke call
11632 * which has SetLastError set.
11635 mono_marshal_set_last_error (void)
11638 mono_native_tls_set_value (last_error_tls_id, GINT_TO_POINTER (GetLastError ()));
11640 mono_native_tls_set_value (last_error_tls_id, GINT_TO_POINTER (errno));
11645 mono_marshal_set_last_error_windows (int error)
11648 mono_native_tls_set_value (last_error_tls_id, GINT_TO_POINTER (error));
11653 ves_icall_System_Runtime_InteropServices_Marshal_copy_to_unmanaged (MonoArray *src, gint32 start_index,
11654 gpointer dest, gint32 length)
11659 MONO_ARCH_SAVE_REGS;
11661 MONO_CHECK_ARG_NULL (src);
11662 MONO_CHECK_ARG_NULL (dest);
11664 if (src->obj.vtable->klass->rank != 1)
11665 mono_raise_exception (mono_get_exception_argument ("array", "array is multi-dimensional"));
11666 if (start_index < 0)
11667 mono_raise_exception (mono_get_exception_argument ("startIndex", "Must be >= 0"));
11669 mono_raise_exception (mono_get_exception_argument ("length", "Must be >= 0"));
11670 if (start_index + length > mono_array_length (src))
11671 mono_raise_exception (mono_get_exception_argument ("length", "start_index + length > array length"));
11673 element_size = mono_array_element_size (src->obj.vtable->klass);
11675 /* no references should be involved */
11676 source_addr = mono_array_addr_with_size (src, element_size, start_index);
11678 memcpy (dest, source_addr, length * element_size);
11682 ves_icall_System_Runtime_InteropServices_Marshal_copy_from_unmanaged (gpointer src, gint32 start_index,
11683 MonoArray *dest, gint32 length)
11688 MONO_ARCH_SAVE_REGS;
11690 MONO_CHECK_ARG_NULL (src);
11691 MONO_CHECK_ARG_NULL (dest);
11693 if (dest->obj.vtable->klass->rank != 1)
11694 mono_raise_exception (mono_get_exception_argument ("array", "array is multi-dimensional"));
11695 if (start_index < 0)
11696 mono_raise_exception (mono_get_exception_argument ("startIndex", "Must be >= 0"));
11698 mono_raise_exception (mono_get_exception_argument ("length", "Must be >= 0"));
11699 if (start_index + length > mono_array_length (dest))
11700 mono_raise_exception (mono_get_exception_argument ("length", "start_index + length > array length"));
11702 element_size = mono_array_element_size (dest->obj.vtable->klass);
11704 /* no references should be involved */
11705 dest_addr = mono_array_addr_with_size (dest, element_size, start_index);
11707 memcpy (dest_addr, src, length * element_size);
11711 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringAnsi (char *ptr)
11713 MONO_ARCH_SAVE_REGS;
11718 return mono_string_new (mono_domain_get (), ptr);
11722 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringAnsi_len (char *ptr, gint32 len)
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_len (mono_domain_get (), ptr, len);
11736 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringUni (guint16 *ptr)
11738 MonoDomain *domain = mono_domain_get ();
11742 MONO_ARCH_SAVE_REGS;
11750 return mono_string_new_utf16 (domain, ptr, len);
11754 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringUni_len (guint16 *ptr, gint32 len)
11756 MonoDomain *domain = mono_domain_get ();
11758 MONO_ARCH_SAVE_REGS;
11761 mono_raise_exception (mono_get_exception_argument_null ("ptr"));
11762 g_assert_not_reached ();
11765 return mono_string_new_utf16 (domain, ptr, len);
11770 ves_icall_System_Runtime_InteropServices_Marshal_GetLastWin32Error (void)
11772 MONO_ARCH_SAVE_REGS;
11774 return (GPOINTER_TO_INT (mono_native_tls_get_value (last_error_tls_id)));
11778 ves_icall_System_Runtime_InteropServices_Marshal_SizeOf (MonoReflectionType *rtype)
11784 MONO_ARCH_SAVE_REGS;
11786 MONO_CHECK_ARG_NULL (rtype);
11788 type = rtype->type;
11789 klass = mono_class_from_mono_type (type);
11790 if (!mono_class_init (klass))
11791 mono_raise_exception (mono_class_get_exception_for_failure (klass));
11793 layout = (klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK);
11795 if (layout == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
11797 MonoException *exc;
11799 msg = g_strdup_printf ("Type %s cannot be marshaled as an unmanaged structure.", klass->name);
11800 exc = mono_get_exception_argument ("t", msg);
11802 mono_raise_exception (exc);
11806 return mono_class_native_size (klass, NULL);
11810 ves_icall_System_Runtime_InteropServices_Marshal_StructureToPtr (MonoObject *obj, gpointer dst, MonoBoolean delete_old)
11812 MonoMethod *method;
11815 MONO_ARCH_SAVE_REGS;
11817 MONO_CHECK_ARG_NULL (obj);
11818 MONO_CHECK_ARG_NULL (dst);
11820 method = mono_marshal_get_struct_to_ptr (obj->vtable->klass);
11824 pa [2] = &delete_old;
11826 mono_runtime_invoke (method, NULL, pa, NULL);
11830 ptr_to_structure (gpointer src, MonoObject *dst)
11832 MonoMethod *method;
11835 method = mono_marshal_get_ptr_to_struct (dst->vtable->klass);
11840 mono_runtime_invoke (method, NULL, pa, NULL);
11844 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure (gpointer src, MonoObject *dst)
11848 MONO_ARCH_SAVE_REGS;
11850 MONO_CHECK_ARG_NULL (src);
11851 MONO_CHECK_ARG_NULL (dst);
11853 t = mono_type_get_underlying_type (mono_class_get_type (dst->vtable->klass));
11855 if (t->type == MONO_TYPE_VALUETYPE) {
11856 MonoException *exc;
11859 tmp = g_strdup_printf ("Destination is a boxed value type.");
11860 exc = mono_get_exception_argument ("dst", tmp);
11863 mono_raise_exception (exc);
11867 ptr_to_structure (src, dst);
11871 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure_type (gpointer src, MonoReflectionType *type)
11874 MonoDomain *domain = mono_domain_get ();
11877 MONO_ARCH_SAVE_REGS;
11881 MONO_CHECK_ARG_NULL (type);
11883 klass = mono_class_from_mono_type (type->type);
11884 if (!mono_class_init (klass))
11885 mono_raise_exception (mono_class_get_exception_for_failure (klass));
11887 res = mono_object_new (domain, klass);
11889 ptr_to_structure (src, res);
11895 ves_icall_System_Runtime_InteropServices_Marshal_OffsetOf (MonoReflectionType *type, MonoString *field_name)
11897 MonoMarshalType *info;
11900 int match_index = -1;
11902 MONO_ARCH_SAVE_REGS;
11904 MONO_CHECK_ARG_NULL (type);
11905 MONO_CHECK_ARG_NULL (field_name);
11907 fname = mono_string_to_utf8 (field_name);
11908 klass = mono_class_from_mono_type (type->type);
11909 if (!mono_class_init (klass))
11910 mono_raise_exception (mono_class_get_exception_for_failure (klass));
11912 while (klass && match_index == -1) {
11913 MonoClassField* field;
11915 gpointer iter = NULL;
11916 while ((field = mono_class_get_fields (klass, &iter))) {
11917 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
11919 if (!strcmp (fname, mono_field_get_name (field))) {
11926 if (match_index == -1)
11927 klass = klass->parent;
11932 if(match_index == -1) {
11933 MonoException* exc;
11936 /* Get back original class instance */
11937 klass = mono_class_from_mono_type (type->type);
11939 tmp = g_strdup_printf ("Field passed in is not a marshaled member of the type %s", klass->name);
11940 exc = mono_get_exception_argument ("fieldName", tmp);
11943 mono_raise_exception ((MonoException*)exc);
11946 info = mono_marshal_load_type_info (klass);
11947 return info->fields [match_index].offset;
11951 ves_icall_System_Runtime_InteropServices_Marshal_StringToHGlobalAnsi (MonoString *string)
11956 tres = mono_string_to_utf8 (string);
11960 len = strlen (tres) + 1;
11961 ret = ves_icall_System_Runtime_InteropServices_Marshal_AllocHGlobal (len);
11962 memcpy (ret, tres, len);
11967 return mono_string_to_utf8 (string);
11972 ves_icall_System_Runtime_InteropServices_Marshal_StringToHGlobalUni (MonoString *string)
11974 MONO_ARCH_SAVE_REGS;
11976 if (string == NULL)
11979 #ifdef TARGET_WIN32
11980 gunichar2 *res = ves_icall_System_Runtime_InteropServices_Marshal_AllocHGlobal
11981 ((mono_string_length (string) + 1) * 2);
11983 gunichar2 *res = g_malloc ((mono_string_length (string) + 1) * 2);
11985 memcpy (res, mono_string_chars (string), mono_string_length (string) * 2);
11986 res [mono_string_length (string)] = 0;
11992 mono_struct_delete_old (MonoClass *klass, char *ptr)
11994 MonoMarshalType *info;
11997 info = mono_marshal_load_type_info (klass);
11999 for (i = 0; i < info->num_fields; i++) {
12000 MonoMarshalNative ntype;
12001 MonoMarshalConv conv;
12002 MonoType *ftype = info->fields [i].field->type;
12005 if (ftype->attrs & FIELD_ATTRIBUTE_STATIC)
12008 ntype = mono_type_to_unmanaged (ftype, info->fields [i].mspec, TRUE,
12009 klass->unicode, &conv);
12011 cpos = ptr + info->fields [i].offset;
12014 case MONO_MARSHAL_CONV_NONE:
12015 if (MONO_TYPE_ISSTRUCT (ftype)) {
12016 mono_struct_delete_old (ftype->data.klass, cpos);
12020 case MONO_MARSHAL_CONV_STR_LPWSTR:
12021 /* We assume this field points inside a MonoString */
12023 case MONO_MARSHAL_CONV_STR_LPTSTR:
12024 #ifdef TARGET_WIN32
12025 /* We assume this field points inside a MonoString
12029 case MONO_MARSHAL_CONV_STR_LPSTR:
12030 case MONO_MARSHAL_CONV_STR_BSTR:
12031 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
12032 case MONO_MARSHAL_CONV_STR_TBSTR:
12033 mono_marshal_free (*(gpointer *)cpos);
12043 ves_icall_System_Runtime_InteropServices_Marshal_DestroyStructure (gpointer src, MonoReflectionType *type)
12047 MONO_ARCH_SAVE_REGS;
12049 MONO_CHECK_ARG_NULL (src);
12050 MONO_CHECK_ARG_NULL (type);
12052 klass = mono_class_from_mono_type (type->type);
12053 if (!mono_class_init (klass))
12054 mono_raise_exception (mono_class_get_exception_for_failure (klass));
12056 mono_struct_delete_old (klass, (char *)src);
12060 ves_icall_System_Runtime_InteropServices_Marshal_AllocHGlobal (int size)
12064 MONO_ARCH_SAVE_REGS;
12066 if ((gulong)size == 0)
12067 /* This returns a valid pointer for size 0 on MS.NET */
12071 res = GlobalAlloc (GMEM_FIXED, (gulong)size);
12073 res = g_try_malloc ((gulong)size);
12076 mono_gc_out_of_memory ((gulong)size);
12082 ves_icall_System_Runtime_InteropServices_Marshal_ReAllocHGlobal (gpointer ptr, int size)
12087 mono_gc_out_of_memory ((gulong)size);
12092 res = GlobalReAlloc (ptr, (gulong)size, GMEM_MOVEABLE);
12094 res = g_try_realloc (ptr, (gulong)size);
12097 mono_gc_out_of_memory ((gulong)size);
12103 ves_icall_System_Runtime_InteropServices_Marshal_FreeHGlobal (void *ptr)
12105 MONO_ARCH_SAVE_REGS;
12115 ves_icall_System_Runtime_InteropServices_Marshal_AllocCoTaskMem (int size)
12117 MONO_ARCH_SAVE_REGS;
12120 return CoTaskMemAlloc (size);
12122 return g_try_malloc ((gulong)size);
12127 ves_icall_System_Runtime_InteropServices_Marshal_FreeCoTaskMem (void *ptr)
12129 MONO_ARCH_SAVE_REGS;
12132 CoTaskMemFree (ptr);
12139 ves_icall_System_Runtime_InteropServices_Marshal_ReAllocCoTaskMem (gpointer ptr, int size)
12141 MONO_ARCH_SAVE_REGS;
12144 return CoTaskMemRealloc (ptr, size);
12146 return g_try_realloc (ptr, (gulong)size);
12151 ves_icall_System_Runtime_InteropServices_Marshal_UnsafeAddrOfPinnedArrayElement (MonoArray *arrayobj, int index)
12153 return mono_array_addr_with_size (arrayobj, mono_array_element_size (arrayobj->obj.vtable->klass), index);
12157 ves_icall_System_Runtime_InteropServices_Marshal_GetDelegateForFunctionPointerInternal (void *ftn, MonoReflectionType *type)
12159 MonoClass *klass = mono_type_get_class (type->type);
12160 if (!mono_class_init (klass))
12161 mono_raise_exception (mono_class_get_exception_for_failure (klass));
12163 return mono_ftnptr_to_delegate (klass, ftn);
12167 * mono_marshal_is_loading_type_info:
12169 * Return whenever mono_marshal_load_type_info () is being executed for KLASS by this
12173 mono_marshal_is_loading_type_info (MonoClass *klass)
12175 GSList *loads_list = mono_native_tls_get_value (load_type_info_tls_id);
12177 return g_slist_find (loads_list, klass) != NULL;
12181 * mono_marshal_load_type_info:
12183 * Initialize klass->marshal_info using information from metadata. This function can
12184 * recursively call itself, and the caller is responsible to avoid that by calling
12185 * mono_marshal_is_loading_type_info () beforehand.
12187 * LOCKING: Acquires the loader lock.
12190 mono_marshal_load_type_info (MonoClass* klass)
12193 guint32 native_size = 0, min_align = 1, packing;
12194 MonoMarshalType *info;
12195 MonoClassField* field;
12198 GSList *loads_list;
12200 g_assert (klass != NULL);
12202 if (klass->marshal_info)
12203 return klass->marshal_info;
12205 if (!klass->inited)
12206 mono_class_init (klass);
12208 mono_loader_lock ();
12210 if (klass->marshal_info) {
12211 mono_loader_unlock ();
12212 return klass->marshal_info;
12216 * This function can recursively call itself, so we keep the list of classes which are
12217 * under initialization in a TLS list.
12219 g_assert (!mono_marshal_is_loading_type_info (klass));
12220 loads_list = mono_native_tls_get_value (load_type_info_tls_id);
12221 loads_list = g_slist_prepend (loads_list, klass);
12222 mono_native_tls_set_value (load_type_info_tls_id, loads_list);
12225 while ((field = mono_class_get_fields (klass, &iter))) {
12226 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
12228 if (mono_field_is_deleted (field))
12233 layout = klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK;
12235 /* The mempool is protected by the loader lock */
12236 info = mono_image_alloc0 (klass->image, MONO_SIZEOF_MARSHAL_TYPE + sizeof (MonoMarshalField) * count);
12237 info->num_fields = count;
12239 /* Try to find a size for this type in metadata */
12240 mono_metadata_packing_from_typedef (klass->image, klass->type_token, NULL, &native_size);
12242 if (klass->parent) {
12243 int parent_size = mono_class_native_size (klass->parent, NULL);
12245 /* Add parent size to real size */
12246 native_size += parent_size;
12247 info->native_size = parent_size;
12250 packing = klass->packing_size ? klass->packing_size : 8;
12253 while ((field = mono_class_get_fields (klass, &iter))) {
12257 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
12260 if (mono_field_is_deleted (field))
12262 if (field->type->attrs & FIELD_ATTRIBUTE_HAS_FIELD_MARSHAL)
12263 mono_metadata_field_info_with_mempool (klass->image, mono_metadata_token_index (mono_class_get_field_token (field)) - 1,
12264 NULL, NULL, &info->fields [j].mspec);
12266 info->fields [j].field = field;
12268 if ((mono_class_num_fields (klass) == 1) && (klass->instance_size == sizeof (MonoObject)) &&
12269 (strcmp (mono_field_get_name (field), "$PRIVATE$") == 0)) {
12270 /* This field is a hack inserted by MCS to empty structures */
12275 case TYPE_ATTRIBUTE_AUTO_LAYOUT:
12276 case TYPE_ATTRIBUTE_SEQUENTIAL_LAYOUT:
12277 size = mono_marshal_type_size (field->type, info->fields [j].mspec,
12278 &align, TRUE, klass->unicode);
12279 align = klass->packing_size ? MIN (klass->packing_size, align): align;
12280 min_align = MAX (align, min_align);
12281 info->fields [j].offset = info->native_size;
12282 info->fields [j].offset += align - 1;
12283 info->fields [j].offset &= ~(align - 1);
12284 info->native_size = info->fields [j].offset + size;
12286 case TYPE_ATTRIBUTE_EXPLICIT_LAYOUT:
12287 size = mono_marshal_type_size (field->type, info->fields [j].mspec,
12288 &align, TRUE, klass->unicode);
12289 min_align = packing;
12290 info->fields [j].offset = field->offset - sizeof (MonoObject);
12291 info->native_size = MAX (info->native_size, info->fields [j].offset + size);
12297 if (layout != TYPE_ATTRIBUTE_AUTO_LAYOUT) {
12298 info->native_size = MAX (native_size, info->native_size);
12300 * If the provided Size is equal or larger than the calculated size, and there
12301 * was no Pack attribute, we set min_align to 1 to avoid native_size being increased
12303 if (layout == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT)
12304 if (native_size && native_size == info->native_size && klass->packing_size == 0)
12308 if (info->native_size & (min_align - 1)) {
12309 info->native_size += min_align - 1;
12310 info->native_size &= ~(min_align - 1);
12313 info->min_align = min_align;
12315 /* Update the class's blittable info, if the layouts don't match */
12316 if (info->native_size != mono_class_value_size (klass, NULL))
12317 klass->blittable = FALSE;
12319 /* If this is an array type, ensure that we have element info */
12320 if (klass->rank && !mono_marshal_is_loading_type_info (klass->element_class)) {
12321 mono_marshal_load_type_info (klass->element_class);
12324 loads_list = mono_native_tls_get_value (load_type_info_tls_id);
12325 loads_list = g_slist_remove (loads_list, klass);
12326 mono_native_tls_set_value (load_type_info_tls_id, loads_list);
12328 /*We do double-checking locking on marshal_info */
12329 mono_memory_barrier ();
12331 klass->marshal_info = info;
12333 mono_loader_unlock ();
12335 return klass->marshal_info;
12339 * mono_class_native_size:
12342 * Returns: the native size of an object instance (when marshaled
12343 * to unmanaged code)
12346 mono_class_native_size (MonoClass *klass, guint32 *align)
12348 if (!klass->marshal_info) {
12349 if (mono_marshal_is_loading_type_info (klass)) {
12354 mono_marshal_load_type_info (klass);
12359 *align = klass->marshal_info->min_align;
12361 return klass->marshal_info->native_size;
12364 /* __alignof__ returns the preferred alignment of values not the actual alignment used by
12365 the compiler so is wrong e.g. for Linux where doubles are aligned on a 4 byte boundary
12366 but __alignof__ returns 8 - using G_STRUCT_OFFSET works better */
12367 #define ALIGNMENT(type) G_STRUCT_OFFSET(struct { char c; type x; }, x)
12370 * mono_type_native_stack_size:
12371 * @t: the type to return the size it uses on the stack
12373 * Returns: the number of bytes required to hold an instance of this
12374 * type on the native stack
12377 mono_type_native_stack_size (MonoType *t, guint32 *align)
12381 g_assert (t != NULL);
12387 *align = sizeof (gpointer);
12388 return sizeof (gpointer);
12392 case MONO_TYPE_BOOLEAN:
12393 case MONO_TYPE_CHAR:
12404 case MONO_TYPE_STRING:
12405 case MONO_TYPE_OBJECT:
12406 case MONO_TYPE_CLASS:
12407 case MONO_TYPE_SZARRAY:
12408 case MONO_TYPE_PTR:
12409 case MONO_TYPE_FNPTR:
12410 case MONO_TYPE_ARRAY:
12411 *align = sizeof (gpointer);
12412 return sizeof (gpointer);
12417 *align = ALIGNMENT (gdouble);
12421 *align = ALIGNMENT (glong);
12423 case MONO_TYPE_GENERICINST:
12424 if (!mono_type_generic_inst_is_valuetype (t)) {
12425 *align = sizeof (gpointer);
12426 return sizeof (gpointer);
12429 case MONO_TYPE_TYPEDBYREF:
12430 case MONO_TYPE_VALUETYPE: {
12432 MonoClass *klass = mono_class_from_mono_type (t);
12434 if (klass->enumtype)
12435 return mono_type_native_stack_size (mono_class_enum_basetype (klass), align);
12437 size = mono_class_native_size (klass, align);
12438 *align = *align + 3;
12448 g_error ("type 0x%02x unknown", t->type);
12454 mono_marshal_type_size (MonoType *type, MonoMarshalSpec *mspec, guint32 *align,
12455 gboolean as_field, gboolean unicode)
12457 MonoMarshalNative native_type = mono_type_to_unmanaged (type, mspec, as_field, unicode, NULL);
12460 switch (native_type) {
12461 case MONO_NATIVE_BOOLEAN:
12464 case MONO_NATIVE_I1:
12465 case MONO_NATIVE_U1:
12468 case MONO_NATIVE_I2:
12469 case MONO_NATIVE_U2:
12470 case MONO_NATIVE_VARIANTBOOL:
12473 case MONO_NATIVE_I4:
12474 case MONO_NATIVE_U4:
12475 case MONO_NATIVE_ERROR:
12478 case MONO_NATIVE_I8:
12479 case MONO_NATIVE_U8:
12480 *align = ALIGNMENT(guint64);
12482 case MONO_NATIVE_R4:
12485 case MONO_NATIVE_R8:
12486 *align = ALIGNMENT(double);
12488 case MONO_NATIVE_INT:
12489 case MONO_NATIVE_UINT:
12490 case MONO_NATIVE_LPSTR:
12491 case MONO_NATIVE_LPWSTR:
12492 case MONO_NATIVE_LPTSTR:
12493 case MONO_NATIVE_BSTR:
12494 case MONO_NATIVE_ANSIBSTR:
12495 case MONO_NATIVE_TBSTR:
12496 case MONO_NATIVE_LPARRAY:
12497 case MONO_NATIVE_SAFEARRAY:
12498 case MONO_NATIVE_IUNKNOWN:
12499 case MONO_NATIVE_IDISPATCH:
12500 case MONO_NATIVE_INTERFACE:
12501 case MONO_NATIVE_ASANY:
12502 case MONO_NATIVE_FUNC:
12503 case MONO_NATIVE_LPSTRUCT:
12504 *align = ALIGNMENT(gpointer);
12505 return sizeof (gpointer);
12506 case MONO_NATIVE_STRUCT:
12507 klass = mono_class_from_mono_type (type);
12508 if (klass == mono_defaults.object_class &&
12509 (mspec && mspec->native == MONO_NATIVE_STRUCT)) {
12513 return mono_class_native_size (klass, align);
12514 case MONO_NATIVE_BYVALTSTR: {
12515 int esize = unicode ? 2: 1;
12518 return mspec->data.array_data.num_elem * esize;
12520 case MONO_NATIVE_BYVALARRAY: {
12521 // FIXME: Have to consider ArraySubType
12523 klass = mono_class_from_mono_type (type);
12524 if (klass->element_class == mono_defaults.char_class) {
12525 esize = unicode ? 2 : 1;
12528 esize = mono_class_native_size (klass->element_class, align);
12531 return mspec->data.array_data.num_elem * esize;
12533 case MONO_NATIVE_CUSTOM:
12534 *align = sizeof (gpointer);
12535 return sizeof (gpointer);
12537 case MONO_NATIVE_CURRENCY:
12538 case MONO_NATIVE_VBBYREFSTR:
12540 g_error ("native type %02x not implemented", native_type);
12543 g_assert_not_reached ();
12548 mono_marshal_asany (MonoObject *o, MonoMarshalNative string_encoding, int param_attrs)
12556 t = &o->vtable->klass->byval_arg;
12560 case MONO_TYPE_PTR:
12563 case MONO_TYPE_BOOLEAN:
12566 case MONO_TYPE_CHAR:
12571 return mono_object_unbox (o);
12573 case MONO_TYPE_STRING:
12574 switch (string_encoding) {
12575 case MONO_NATIVE_LPWSTR:
12576 return mono_marshal_string_to_utf16_copy ((MonoString*)o);
12578 case MONO_NATIVE_LPSTR:
12579 return mono_string_to_lpstr ((MonoString*)o);
12582 g_warning ("marshaling conversion %d not implemented", string_encoding);
12583 g_assert_not_reached ();
12586 case MONO_TYPE_CLASS:
12587 case MONO_TYPE_VALUETYPE: {
12588 MonoMethod *method;
12591 MonoBoolean delete_old = FALSE;
12593 klass = t->data.klass;
12595 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT)
12598 if (klass->valuetype && (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
12599 klass->blittable || klass->enumtype))
12600 return mono_object_unbox (o);
12602 res = mono_marshal_alloc (mono_class_native_size (klass, NULL));
12604 if (!((param_attrs & PARAM_ATTRIBUTE_OUT) && !(param_attrs & PARAM_ATTRIBUTE_IN))) {
12605 method = mono_marshal_get_struct_to_ptr (o->vtable->klass);
12609 pa [2] = &delete_old;
12611 mono_runtime_invoke (method, NULL, pa, NULL);
12618 mono_raise_exception (mono_get_exception_argument ("", "No PInvoke conversion exists for value passed to Object-typed parameter."));
12624 mono_marshal_free_asany (MonoObject *o, gpointer ptr, MonoMarshalNative string_encoding, int param_attrs)
12632 t = &o->vtable->klass->byval_arg;
12634 case MONO_TYPE_STRING:
12635 switch (string_encoding) {
12636 case MONO_NATIVE_LPWSTR:
12637 case MONO_NATIVE_LPSTR:
12638 mono_marshal_free (ptr);
12641 g_warning ("marshaling conversion %d not implemented", string_encoding);
12642 g_assert_not_reached ();
12645 case MONO_TYPE_CLASS:
12646 case MONO_TYPE_VALUETYPE: {
12647 klass = t->data.klass;
12649 if (klass->valuetype && (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
12650 klass->blittable || klass->enumtype))
12653 if (param_attrs & PARAM_ATTRIBUTE_OUT) {
12654 MonoMethod *method = mono_marshal_get_ptr_to_struct (o->vtable->klass);
12660 mono_runtime_invoke (method, NULL, pa, NULL);
12663 if (!((param_attrs & PARAM_ATTRIBUTE_OUT) && !(param_attrs & PARAM_ATTRIBUTE_IN))) {
12664 mono_struct_delete_old (klass, ptr);
12667 mono_marshal_free (ptr);
12676 mono_marshal_get_generic_array_helper (MonoClass *class, MonoClass *iface, gchar *name, MonoMethod *method)
12678 MonoMethodSignature *sig, *csig;
12679 MonoMethodBuilder *mb;
12684 mb = mono_mb_new_no_dup_name (class, name, MONO_WRAPPER_MANAGED_TO_MANAGED);
12685 mb->method->slot = -1;
12687 mb->method->flags = METHOD_ATTRIBUTE_PRIVATE | METHOD_ATTRIBUTE_VIRTUAL |
12688 METHOD_ATTRIBUTE_NEW_SLOT | METHOD_ATTRIBUTE_HIDE_BY_SIG | METHOD_ATTRIBUTE_FINAL;
12690 sig = mono_method_signature (method);
12691 csig = signature_dup (method->klass->image, sig);
12692 csig->generic_param_count = 0;
12694 #ifndef DISABLE_JIT
12695 mono_mb_emit_ldarg (mb, 0);
12696 for (i = 0; i < csig->param_count; i++)
12697 mono_mb_emit_ldarg (mb, i + 1);
12698 mono_mb_emit_managed_call (mb, method, NULL);
12699 mono_mb_emit_byte (mb, CEE_RET);
12701 /* We can corlib internal methods */
12702 mb->skip_visibility = TRUE;
12705 res = mono_mb_create_method (mb, csig, csig->param_count + 16);
12707 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_GENERIC_ARRAY_HELPER);
12708 info->d.generic_array_helper.method = method;
12709 mono_marshal_set_wrapper_info (res, info);
12717 * The mono_win32_compat_* functions are implementations of inline
12718 * Windows kernel32 APIs, which are DllImport-able under MS.NET,
12719 * although not exported by kernel32.
12721 * We map the appropiate kernel32 entries to these functions using
12722 * dllmaps declared in the global etc/mono/config.
12726 mono_win32_compat_CopyMemory (gpointer dest, gconstpointer source, gsize length)
12728 if (!dest || !source)
12731 memcpy (dest, source, length);
12735 mono_win32_compat_FillMemory (gpointer dest, gsize length, guchar fill)
12737 memset (dest, fill, length);
12741 mono_win32_compat_MoveMemory (gpointer dest, gconstpointer source, gsize length)
12743 if (!dest || !source)
12746 memmove (dest, source, length);
12750 mono_win32_compat_ZeroMemory (gpointer dest, gsize length)
12752 memset (dest, 0, length);
12756 mono_marshal_find_nonzero_bit_offset (guint8 *buf, int len, int *byte_offset, guint8 *bitmask)
12761 for (i = 0; i < len; ++i)
12765 g_assert (i < len);
12768 while (byte && !(byte & 1))
12770 g_assert (byte == 1);
12773 *bitmask = buf [i];
12777 mono_marshal_get_thunk_invoke_wrapper (MonoMethod *method)
12779 MonoMethodBuilder *mb;
12780 MonoMethodSignature *sig, *csig;
12781 MonoExceptionClause *clause;
12786 int i, param_count, sig_size, pos_leave;
12790 klass = method->klass;
12791 image = method->klass->image;
12792 cache = get_cache (&image->thunk_invoke_cache, mono_aligned_addr_hash, NULL);
12794 if ((res = mono_marshal_find_in_cache (cache, method)))
12797 sig = mono_method_signature (method);
12798 mb = mono_mb_new (klass, method->name, MONO_WRAPPER_NATIVE_TO_MANAGED);
12800 /* add "this" and exception param */
12801 param_count = sig->param_count + sig->hasthis + 1;
12803 /* dup & extend signature */
12804 csig = mono_metadata_signature_alloc (image, param_count);
12805 sig_size = MONO_SIZEOF_METHOD_SIGNATURE + sig->param_count * sizeof (MonoType *);
12806 memcpy (csig, sig, sig_size);
12807 csig->param_count = param_count;
12810 csig->call_convention = MONO_CALL_DEFAULT;
12812 if (sig->hasthis) {
12814 csig->params [0] = &klass->byval_arg;
12815 /* move params up by one */
12816 for (i = 0; i < sig->param_count; i++)
12817 csig->params [i + 1] = sig->params [i];
12820 /* setup exception param as byref+[out] */
12821 csig->params [param_count - 1] = mono_metadata_type_dup (image,
12822 &mono_defaults.exception_class->byval_arg);
12823 csig->params [param_count - 1]->byref = 1;
12824 csig->params [param_count - 1]->attrs = PARAM_ATTRIBUTE_OUT;
12826 /* convert struct return to object */
12827 if (MONO_TYPE_ISSTRUCT (sig->ret))
12828 csig->ret = &mono_defaults.object_class->byval_arg;
12830 #ifndef DISABLE_JIT
12831 /* local 0 (temp for exception object) */
12832 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
12834 /* local 1 (temp for result) */
12835 if (!MONO_TYPE_IS_VOID (sig->ret))
12836 mono_mb_add_local (mb, sig->ret);
12838 /* clear exception arg */
12839 mono_mb_emit_ldarg (mb, param_count - 1);
12840 mono_mb_emit_byte (mb, CEE_LDNULL);
12841 mono_mb_emit_byte (mb, CEE_STIND_REF);
12844 clause = mono_image_alloc0 (image, sizeof (MonoExceptionClause));
12845 clause->try_offset = mono_mb_get_label (mb);
12847 /* push method's args */
12848 for (i = 0; i < param_count - 1; i++) {
12852 mono_mb_emit_ldarg (mb, i);
12854 /* get the byval type of the param */
12855 klass = mono_class_from_mono_type (csig->params [i]);
12856 type = &klass->byval_arg;
12858 /* unbox struct args */
12859 if (MONO_TYPE_ISSTRUCT (type)) {
12860 mono_mb_emit_op (mb, CEE_UNBOX, klass);
12862 /* byref args & and the "this" arg must remain a ptr.
12863 Otherwise make a copy of the value type */
12864 if (!(csig->params [i]->byref || (i == 0 && sig->hasthis)))
12865 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
12867 csig->params [i] = &mono_defaults.object_class->byval_arg;
12872 if (method->flags & METHOD_ATTRIBUTE_VIRTUAL)
12873 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
12875 mono_mb_emit_op (mb, CEE_CALL, method);
12877 /* save result at local 1 */
12878 if (!MONO_TYPE_IS_VOID (sig->ret))
12879 mono_mb_emit_stloc (mb, 1);
12881 pos_leave = mono_mb_emit_branch (mb, CEE_LEAVE);
12884 clause->flags = MONO_EXCEPTION_CLAUSE_NONE;
12885 clause->try_len = mono_mb_get_pos (mb) - clause->try_offset;
12886 clause->data.catch_class = mono_defaults.object_class;
12888 clause->handler_offset = mono_mb_get_label (mb);
12890 /* store exception at local 0 */
12891 mono_mb_emit_stloc (mb, 0);
12892 mono_mb_emit_ldarg (mb, param_count - 1);
12893 mono_mb_emit_ldloc (mb, 0);
12894 mono_mb_emit_byte (mb, CEE_STIND_REF);
12895 mono_mb_emit_branch (mb, CEE_LEAVE);
12897 clause->handler_len = mono_mb_get_pos (mb) - clause->handler_offset;
12899 mono_mb_set_clauses (mb, 1, clause);
12901 mono_mb_patch_branch (mb, pos_leave);
12904 if (!MONO_TYPE_IS_VOID (sig->ret)) {
12905 mono_mb_emit_ldloc (mb, 1);
12907 /* box the return value */
12908 if (MONO_TYPE_ISSTRUCT (sig->ret))
12909 mono_mb_emit_op (mb, CEE_BOX, mono_class_from_mono_type (sig->ret));
12912 mono_mb_emit_byte (mb, CEE_RET);
12915 res = mono_mb_create_and_cache (cache, method, mb, csig, param_count + 16);
12922 * mono_marshal_free_dynamic_wrappers:
12924 * Free wrappers of the dynamic method METHOD.
12927 mono_marshal_free_dynamic_wrappers (MonoMethod *method)
12929 MonoImage *image = method->klass->image;
12931 g_assert (method->dynamic);
12933 /* This could be called during shutdown */
12934 if (marshal_mutex_initialized)
12935 mono_marshal_lock ();
12937 * FIXME: We currently leak the wrappers. Freeing them would be tricky as
12938 * they could be shared with other methods ?
12940 if (image->runtime_invoke_direct_cache)
12941 g_hash_table_remove (image->runtime_invoke_direct_cache, method);
12942 if (image->delegate_abstract_invoke_cache)
12943 g_hash_table_foreach_remove (image->delegate_abstract_invoke_cache, signature_method_pair_matches_method, method);
12945 if (marshal_mutex_initialized)
12946 mono_marshal_unlock ();
12950 signature_method_pair_matches_signature (gpointer key, gpointer value, gpointer user_data)
12952 SignatureMethodPair *pair = (SignatureMethodPair*)key;
12953 MonoMethodSignature *sig = (MonoMethodSignature*)user_data;
12955 return mono_metadata_signature_equal (pair->sig, sig);
12959 * mono_marshal_free_inflated_wrappers:
12961 * Free wrappers of the inflated method METHOD.
12964 mono_marshal_free_inflated_wrappers (MonoMethod *method)
12966 MonoMethodSignature *sig = method->signature;
12968 g_assert (method->is_inflated);
12970 /* Ignore calls occuring late during cleanup. */
12971 if (!marshal_mutex_initialized)
12974 mono_marshal_lock ();
12976 * FIXME: We currently leak the wrappers. Freeing them would be tricky as
12977 * they could be shared with other methods ?
12981 * indexed by MonoMethodSignature
12983 /* FIXME: This could remove unrelated wrappers as well */
12984 if (sig && method->klass->image->delegate_begin_invoke_cache)
12985 g_hash_table_remove (method->klass->image->delegate_begin_invoke_cache, sig);
12986 if (sig && method->klass->image->delegate_end_invoke_cache)
12987 g_hash_table_remove (method->klass->image->delegate_end_invoke_cache, sig);
12988 if (sig && method->klass->image->delegate_invoke_cache)
12989 g_hash_table_remove (method->klass->image->delegate_invoke_cache, sig);
12990 if (sig && method->klass->image->runtime_invoke_cache)
12991 g_hash_table_remove (method->klass->image->runtime_invoke_cache, sig);
12992 if (sig && method->klass->image->runtime_invoke_vtype_cache)
12993 g_hash_table_remove (method->klass->image->runtime_invoke_vtype_cache, sig);
12996 * indexed by SignatureMethodPair
12998 if (sig && method->klass->image->delegate_abstract_invoke_cache)
12999 g_hash_table_foreach_remove (method->klass->image->delegate_abstract_invoke_cache,
13000 signature_method_pair_matches_signature, (gpointer)sig);
13003 * indexed by MonoMethod pointers
13005 if (method->klass->image->runtime_invoke_direct_cache)
13006 g_hash_table_remove (method->klass->image->runtime_invoke_direct_cache, method);
13007 if (method->klass->image->managed_wrapper_cache)
13008 g_hash_table_remove (method->klass->image->managed_wrapper_cache, method);
13009 if (method->klass->image->native_wrapper_cache)
13010 g_hash_table_remove (method->klass->image->native_wrapper_cache, method);
13011 if (method->klass->image->remoting_invoke_cache)
13012 g_hash_table_remove (method->klass->image->remoting_invoke_cache, method);
13013 if (method->klass->image->synchronized_cache)
13014 g_hash_table_remove (method->klass->image->synchronized_cache, method);
13015 if (method->klass->image->unbox_wrapper_cache)
13016 g_hash_table_remove (method->klass->image->unbox_wrapper_cache, method);
13017 if (method->klass->image->cominterop_invoke_cache)
13018 g_hash_table_remove (method->klass->image->cominterop_invoke_cache, method);
13019 if (method->klass->image->cominterop_wrapper_cache)
13020 g_hash_table_remove (method->klass->image->cominterop_wrapper_cache, method);
13021 if (method->klass->image->thunk_invoke_cache)
13022 g_hash_table_remove (method->klass->image->thunk_invoke_cache, method);
13023 if (method->klass->image->native_func_wrapper_aot_cache)
13024 g_hash_table_remove (method->klass->image->native_func_wrapper_aot_cache, method);
13026 mono_marshal_unlock ();