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/metadata/reflection-internals.h"
39 #include "mono/utils/mono-counters.h"
40 #include "mono/utils/mono-tls.h"
41 #include "mono/utils/mono-memory-model.h"
42 #include "mono/utils/atomic.h"
46 /* #define DEBUG_RUNTIME_CODE */
48 #define OPDEF(a,b,c,d,e,f,g,h,i,j) \
52 MONO_MARSHAL_NONE, /* No marshalling needed */
53 MONO_MARSHAL_COPY, /* Can be copied by value to the new domain */
54 MONO_MARSHAL_COPY_OUT, /* out parameter that needs to be copied back to the original instance */
55 MONO_MARSHAL_SERIALIZE /* Value needs to be serialized into the new domain */
56 } MonoXDomainMarshalType;
59 #include "mono/cil/opcode.def"
64 struct _MonoRemotingMethods {
66 MonoMethod *invoke_with_check;
67 MonoMethod *xdomain_invoke;
68 MonoMethod *xdomain_dispatch;
71 typedef struct _MonoRemotingMethods MonoRemotingMethods;
74 * This mutex protects the various marshalling related caches in MonoImage
75 * and a few other data structures static to this file.
77 * The marshal lock is a non-recursive complex lock that sits below the domain lock in the
78 * runtime locking latice. Which means it can take simple locks suck as the image lock.
80 #define mono_marshal_lock() mono_locks_acquire (&marshal_mutex, MarshalLock)
81 #define mono_marshal_unlock() mono_locks_release (&marshal_mutex, MarshalLock)
82 static CRITICAL_SECTION marshal_mutex;
83 static gboolean marshal_mutex_initialized;
85 static MonoNativeTlsKey last_error_tls_id;
87 static MonoNativeTlsKey load_type_info_tls_id;
89 static gboolean use_aot_wrappers;
92 delegate_hash_table_add (MonoDelegate *d);
95 emit_struct_conv (MonoMethodBuilder *mb, MonoClass *klass, gboolean to_object);
98 emit_struct_conv_full (MonoMethodBuilder *mb, MonoClass *klass, gboolean to_object, MonoMarshalNative string_encoding);
101 mono_struct_delete_old (MonoClass *klass, char *ptr);
104 mono_marshal_string_to_utf16 (MonoString *s);
107 mono_marshal_string_to_utf16_copy (MonoString *s);
110 mono_string_to_lpstr (MonoString *string_obj);
112 static MonoStringBuilder *
113 mono_string_utf8_to_builder2 (char *text);
115 static MonoStringBuilder *
116 mono_string_utf16_to_builder2 (gunichar2 *text);
119 mono_string_new_len_wrapper (const char *text, guint length);
122 mono_string_from_byvalwstr (gunichar2 *data, int len);
125 mono_byvalarray_to_array (MonoArray *arr, gpointer native_arr, MonoClass *eltype, guint32 elnum);
128 mono_byvalarray_to_byte_array (MonoArray *arr, gpointer native_arr, guint32 elnum);
131 mono_array_to_byvalarray (gpointer native_arr, MonoArray *arr, MonoClass *eltype, guint32 elnum);
134 mono_array_to_byte_byvalarray (gpointer native_arr, MonoArray *arr, guint32 elnum);
136 static MonoAsyncResult *
137 mono_delegate_begin_invoke (MonoDelegate *delegate, gpointer *params);
140 mono_delegate_end_invoke (MonoDelegate *delegate, gpointer *params);
143 mono_marshal_xdomain_copy_out_value (MonoObject *src, MonoObject *dst);
146 mono_marshal_set_domain_by_id (gint32 id, MonoBoolean push);
149 mono_marshal_check_domain_image (gint32 domain_id, MonoImage *image);
151 #ifndef DISABLE_REMOTING
153 mono_remoting_wrapper (MonoMethod *method, gpointer *params);
156 mono_upgrade_remote_class_wrapper (MonoReflectionType *rtype, MonoTransparentProxy *tproxy);
160 static MonoReflectionType *
161 type_from_handle (MonoType *handle);
164 mono_marshal_set_last_error_windows (int error);
166 static void init_safe_handle (void);
168 /* MonoMethod pointers to SafeHandle::DangerousAddRef and ::DangerousRelease */
169 static MonoMethod *sh_dangerous_add_ref;
170 static MonoMethod *sh_dangerous_release;
176 sh_dangerous_add_ref = mono_class_get_method_from_name (
177 mono_defaults.safehandle_class, "DangerousAddRef", 1);
178 sh_dangerous_release = mono_class_get_method_from_name (
179 mono_defaults.safehandle_class, "DangerousRelease", 0);
183 register_icall (gpointer func, const char *name, const char *sigstr, gboolean save)
185 MonoMethodSignature *sig = mono_create_icall_signature (sigstr);
187 mono_register_jit_icall (func, name, sig, save);
190 static MonoMethodSignature*
191 signature_dup (MonoImage *image, MonoMethodSignature *sig)
193 MonoMethodSignature *res;
196 res = mono_metadata_signature_alloc (image, sig->param_count);
197 sigsize = MONO_SIZEOF_METHOD_SIGNATURE + sig->param_count * sizeof (MonoType *);
198 memcpy (res, sig, sigsize);
204 mono_signature_no_pinvoke (MonoMethod *method)
206 MonoMethodSignature *sig = mono_method_signature (method);
208 sig = signature_dup (method->klass->image, sig);
209 sig->pinvoke = FALSE;
216 mono_marshal_init_tls (void)
218 mono_native_tls_alloc (&last_error_tls_id, NULL);
219 mono_native_tls_alloc (&load_type_info_tls_id, NULL);
223 mono_marshal_init (void)
225 static gboolean module_initialized = FALSE;
227 if (!module_initialized) {
228 module_initialized = TRUE;
229 InitializeCriticalSection (&marshal_mutex);
230 marshal_mutex_initialized = TRUE;
232 register_icall (ves_icall_System_Threading_Thread_ResetAbort, "ves_icall_System_Threading_Thread_ResetAbort", "void", TRUE);
233 register_icall (mono_marshal_string_to_utf16, "mono_marshal_string_to_utf16", "ptr obj", FALSE);
234 register_icall (mono_marshal_string_to_utf16_copy, "mono_marshal_string_to_utf16_copy", "ptr obj", FALSE);
235 register_icall (mono_string_to_utf16, "mono_string_to_utf16", "ptr obj", FALSE);
236 register_icall (mono_string_from_utf16, "mono_string_from_utf16", "obj ptr", FALSE);
237 register_icall (mono_string_from_byvalwstr, "mono_string_from_byvalwstr", "obj ptr int", FALSE);
238 register_icall (mono_string_new_wrapper, "mono_string_new_wrapper", "obj ptr", FALSE);
239 register_icall (mono_string_new_len_wrapper, "mono_string_new_len_wrapper", "obj ptr int", FALSE);
240 register_icall (mono_string_to_utf8, "mono_string_to_utf8", "ptr obj", FALSE);
241 register_icall (mono_string_to_lpstr, "mono_string_to_lpstr", "ptr obj", FALSE);
242 register_icall (mono_string_to_ansibstr, "mono_string_to_ansibstr", "ptr object", FALSE);
243 register_icall (mono_string_builder_to_utf8, "mono_string_builder_to_utf8", "ptr object", FALSE);
244 register_icall (mono_string_builder_to_utf16, "mono_string_builder_to_utf16", "ptr object", FALSE);
245 register_icall (mono_array_to_savearray, "mono_array_to_savearray", "ptr object", FALSE);
246 register_icall (mono_array_to_lparray, "mono_array_to_lparray", "ptr object", FALSE);
247 register_icall (mono_free_lparray, "mono_free_lparray", "void object ptr", FALSE);
248 register_icall (mono_byvalarray_to_array, "mono_byvalarray_to_array", "void object ptr ptr int32", FALSE);
249 register_icall (mono_byvalarray_to_byte_array, "mono_byvalarray_to_byte_array", "void object ptr int32", FALSE);
250 register_icall (mono_array_to_byvalarray, "mono_array_to_byvalarray", "void ptr object ptr int32", FALSE);
251 register_icall (mono_array_to_byte_byvalarray, "mono_array_to_byte_byvalarray", "void ptr object int32", FALSE);
252 register_icall (mono_delegate_to_ftnptr, "mono_delegate_to_ftnptr", "ptr object", FALSE);
253 register_icall (mono_ftnptr_to_delegate, "mono_ftnptr_to_delegate", "object ptr ptr", FALSE);
254 register_icall (mono_marshal_asany, "mono_marshal_asany", "ptr object int32 int32", FALSE);
255 register_icall (mono_marshal_free_asany, "mono_marshal_free_asany", "void object ptr int32 int32", FALSE);
256 register_icall (mono_marshal_alloc, "mono_marshal_alloc", "ptr int32", FALSE);
257 register_icall (mono_marshal_free, "mono_marshal_free", "void ptr", FALSE);
258 register_icall (mono_marshal_set_last_error, "mono_marshal_set_last_error", "void", FALSE);
259 register_icall (mono_marshal_set_last_error_windows, "mono_marshal_set_last_error_windows", "void int32", FALSE);
260 register_icall (mono_string_utf8_to_builder, "mono_string_utf8_to_builder", "void ptr ptr", FALSE);
261 register_icall (mono_string_utf8_to_builder2, "mono_string_utf8_to_builder2", "object ptr", FALSE);
262 register_icall (mono_string_utf16_to_builder, "mono_string_utf16_to_builder", "void ptr ptr", FALSE);
263 register_icall (mono_string_utf16_to_builder2, "mono_string_utf16_to_builder2", "object ptr", FALSE);
264 register_icall (mono_marshal_free_array, "mono_marshal_free_array", "void ptr int32", FALSE);
265 register_icall (mono_string_to_byvalstr, "mono_string_to_byvalstr", "void ptr ptr int32", FALSE);
266 register_icall (mono_string_to_byvalwstr, "mono_string_to_byvalwstr", "void ptr ptr int32", FALSE);
267 register_icall (g_free, "g_free", "void ptr", FALSE);
268 register_icall (mono_object_isinst, "mono_object_isinst", "object object ptr", FALSE);
269 register_icall (mono_struct_delete_old, "mono_struct_delete_old", "void ptr ptr", FALSE);
270 register_icall (mono_delegate_begin_invoke, "mono_delegate_begin_invoke", "object object ptr", FALSE);
271 register_icall (mono_delegate_end_invoke, "mono_delegate_end_invoke", "object object ptr", FALSE);
272 register_icall (mono_marshal_xdomain_copy_value, "mono_marshal_xdomain_copy_value", "object object", FALSE);
273 register_icall (mono_marshal_xdomain_copy_out_value, "mono_marshal_xdomain_copy_out_value", "void object object", FALSE);
274 register_icall (mono_marshal_set_domain_by_id, "mono_marshal_set_domain_by_id", "int32 int32 int32", FALSE);
275 register_icall (mono_marshal_check_domain_image, "mono_marshal_check_domain_image", "int32 int32 ptr", FALSE);
276 register_icall (mono_compile_method, "mono_compile_method", "ptr ptr", FALSE);
277 register_icall (mono_context_get, "mono_context_get", "object", FALSE);
278 register_icall (mono_context_set, "mono_context_set", "void object", FALSE);
279 register_icall (type_from_handle, "type_from_handle", "object ptr", FALSE);
280 register_icall (mono_gc_wbarrier_generic_nostore, "wb_generic", "void ptr", FALSE);
281 register_icall (mono_gchandle_get_target, "mono_gchandle_get_target", "object int32", TRUE);
283 #ifndef DISABLE_REMOTING
284 register_icall (mono_remoting_wrapper, "mono_remoting_wrapper", "object ptr ptr", FALSE);
285 register_icall (mono_upgrade_remote_class_wrapper, "mono_upgrade_remote_class_wrapper", "void object object", FALSE);
287 mono_cominterop_init ();
292 mono_marshal_cleanup (void)
294 mono_cominterop_cleanup ();
296 mono_native_tls_free (load_type_info_tls_id);
297 mono_native_tls_free (last_error_tls_id);
298 DeleteCriticalSection (&marshal_mutex);
299 marshal_mutex_initialized = FALSE;
302 #ifndef DISABLE_REMOTING
303 static MonoClass *byte_array_class;
304 static MonoMethod *method_rs_serialize, *method_rs_deserialize, *method_exc_fixexc, *method_rs_appdomain_target;
305 static MonoMethod *method_set_call_context, *method_needs_context_sink, *method_rs_serialize_exc;
308 mono_remoting_marshal_init (void)
312 static gboolean module_initialized = FALSE;
314 if (!module_initialized) {
315 klass = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting", "RemotingServices");
316 method_rs_serialize = mono_class_get_method_from_name (klass, "SerializeCallData", -1);
317 method_rs_deserialize = mono_class_get_method_from_name (klass, "DeserializeCallData", -1);
318 method_rs_serialize_exc = mono_class_get_method_from_name (klass, "SerializeExceptionData", -1);
320 klass = mono_defaults.real_proxy_class;
321 method_rs_appdomain_target = mono_class_get_method_from_name (klass, "GetAppDomainTarget", -1);
323 klass = mono_defaults.exception_class;
324 method_exc_fixexc = mono_class_get_method_from_name (klass, "FixRemotingException", -1);
326 byte_array_class = mono_array_class_get (mono_defaults.byte_class, 1);
328 klass = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting.Messaging", "CallContext");
329 method_set_call_context = mono_class_get_method_from_name (klass, "SetCurrentCallContext", -1);
331 klass = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting.Contexts", "Context");
332 method_needs_context_sink = mono_class_get_method_from_name (klass, "get_NeedsContextSink", -1);
334 module_initialized = TRUE;
340 mono_delegate_to_ftnptr (MonoDelegate *delegate)
342 MonoMethod *method, *wrapper;
344 uint32_t target_handle = 0;
349 if (delegate->delegate_trampoline)
350 return delegate->delegate_trampoline;
352 klass = ((MonoObject *)delegate)->vtable->klass;
353 g_assert (klass->delegate);
355 method = delegate->method;
357 if (mono_method_signature (method)->pinvoke) {
358 const char *exc_class, *exc_arg;
361 ftnptr = mono_lookup_pinvoke_call (method, &exc_class, &exc_arg);
363 g_assert (exc_class);
364 mono_raise_exception (mono_exception_from_name_msg (mono_defaults.corlib, "System", exc_class, exc_arg));
369 if (delegate->target) {
370 /* Produce a location which can be embedded in JITted code */
371 target_handle = mono_gchandle_new_weakref (delegate->target, FALSE);
374 wrapper = mono_marshal_get_managed_wrapper (method, klass, target_handle);
376 delegate->delegate_trampoline = mono_compile_method (wrapper);
378 // Add the delegate to the delegate hash table
379 delegate_hash_table_add (delegate);
381 /* when the object is collected, collect the dynamic method, too */
382 mono_object_register_finalizer ((MonoObject*)delegate);
384 return delegate->delegate_trampoline;
388 * this hash table maps from a delegate trampoline object to a weak reference
389 * of the delegate. As an optimizations with a non-moving GC we store the
390 * object pointer itself, otherwise we use a GC handle.
392 static GHashTable *delegate_hash_table;
395 delegate_hash_table_new (void) {
396 return g_hash_table_new (NULL, NULL);
400 delegate_hash_table_remove (MonoDelegate *d)
402 guint32 gchandle = 0;
404 mono_marshal_lock ();
405 if (delegate_hash_table == NULL)
406 delegate_hash_table = delegate_hash_table_new ();
407 if (mono_gc_is_moving ())
408 gchandle = GPOINTER_TO_UINT (g_hash_table_lookup (delegate_hash_table, d->delegate_trampoline));
409 g_hash_table_remove (delegate_hash_table, d->delegate_trampoline);
410 mono_marshal_unlock ();
411 if (mono_gc_is_moving ())
412 mono_gchandle_free (gchandle);
416 delegate_hash_table_add (MonoDelegate *d)
419 guint32 old_gchandle;
421 mono_marshal_lock ();
422 if (delegate_hash_table == NULL)
423 delegate_hash_table = delegate_hash_table_new ();
424 if (mono_gc_is_moving ()) {
425 gchandle = mono_gchandle_new_weakref ((MonoObject*)d, FALSE);
426 old_gchandle = GPOINTER_TO_UINT (g_hash_table_lookup (delegate_hash_table, d->delegate_trampoline));
427 g_hash_table_insert (delegate_hash_table, d->delegate_trampoline, GUINT_TO_POINTER (gchandle));
429 mono_gchandle_free (old_gchandle);
431 g_hash_table_insert (delegate_hash_table, d->delegate_trampoline, d);
433 mono_marshal_unlock ();
437 * mono_marshal_use_aot_wrappers:
439 * Instructs this module to use AOT compatible wrappers.
442 mono_marshal_use_aot_wrappers (gboolean use)
444 use_aot_wrappers = use;
448 parse_unmanaged_function_pointer_attr (MonoClass *klass, MonoMethodPInvoke *piinfo)
450 static MonoClass *UnmanagedFunctionPointerAttribute;
451 MonoCustomAttrInfo *cinfo;
452 MonoReflectionUnmanagedFunctionPointerAttribute *attr;
454 if (!UnmanagedFunctionPointerAttribute)
455 UnmanagedFunctionPointerAttribute = mono_class_from_name (mono_defaults.corlib, "System.Runtime.InteropServices", "UnmanagedFunctionPointerAttribute");
457 /* The attribute is only available in Net 2.0 */
458 if (UnmanagedFunctionPointerAttribute) {
460 * The pinvoke attributes are stored in a real custom attribute so we have to
463 cinfo = mono_custom_attrs_from_class (klass);
464 if (cinfo && !mono_runtime_get_no_exec ()) {
466 attr = (MonoReflectionUnmanagedFunctionPointerAttribute*)mono_custom_attrs_get_attr_checked (cinfo, UnmanagedFunctionPointerAttribute, &error);
468 piinfo->piflags = (attr->call_conv << 8) | (attr->charset ? (attr->charset - 1) * 2 : 1) | attr->set_last_error;
470 if (!mono_error_ok (&error)) {
471 g_warning ("Could not load UnmanagedFunctionPointerAttribute due to %s", mono_error_get_message (&error));
472 mono_error_cleanup (&error);
476 mono_custom_attrs_free (cinfo);
482 mono_ftnptr_to_delegate (MonoClass *klass, gpointer ftn)
490 mono_marshal_lock ();
491 if (delegate_hash_table == NULL)
492 delegate_hash_table = delegate_hash_table_new ();
494 if (mono_gc_is_moving ()) {
495 gchandle = GPOINTER_TO_UINT (g_hash_table_lookup (delegate_hash_table, ftn));
496 mono_marshal_unlock ();
498 d = (MonoDelegate*)mono_gchandle_get_target (gchandle);
502 d = g_hash_table_lookup (delegate_hash_table, ftn);
503 mono_marshal_unlock ();
506 /* This is a native function, so construct a delegate for it */
507 MonoMethodSignature *sig;
509 MonoMarshalSpec **mspecs;
510 MonoMethod *invoke = mono_get_delegate_invoke (klass);
511 MonoMethodPInvoke piinfo;
515 if (use_aot_wrappers) {
516 wrapper = mono_marshal_get_native_func_wrapper_aot (klass);
517 this = mono_value_box (mono_domain_get (), mono_defaults.int_class, &ftn);
519 memset (&piinfo, 0, sizeof (piinfo));
520 parse_unmanaged_function_pointer_attr (klass, &piinfo);
522 mspecs = g_new0 (MonoMarshalSpec*, mono_method_signature (invoke)->param_count + 1);
523 mono_method_get_marshal_info (invoke, mspecs);
524 /* Freed below so don't alloc from mempool */
525 sig = mono_metadata_signature_dup (mono_method_signature (invoke));
528 wrapper = mono_marshal_get_native_func_wrapper (klass->image, sig, &piinfo, mspecs, ftn);
531 for (i = mono_method_signature (invoke)->param_count; i >= 0; i--)
533 mono_metadata_free_marshal_spec (mspecs [i]);
538 d = (MonoDelegate*)mono_object_new (mono_domain_get (), klass);
539 mono_delegate_ctor_with_method ((MonoObject*)d, this, mono_compile_method (wrapper), wrapper);
542 if (d->object.vtable->domain != mono_domain_get ())
543 mono_raise_exception (mono_get_exception_not_supported ("Delegates cannot be marshalled from native code into a domain other than their home domain"));
549 mono_delegate_free_ftnptr (MonoDelegate *delegate)
554 delegate_hash_table_remove (delegate);
556 ptr = (gpointer)InterlockedExchangePointer (&delegate->delegate_trampoline, NULL);
558 if (!delegate->target) {
559 /* The wrapper method is shared between delegates -> no need to free it */
568 ji = mono_jit_info_table_find (mono_domain_get (), mono_get_addr_from_ftnptr (ptr));
571 method = mono_jit_info_get_method (ji);
572 method_data = ((MonoMethodWrapper*)method)->method_data;
574 /*the target gchandle is the first entry after size and the wrapper itself.*/
575 gchandle = GPOINTER_TO_UINT (method_data [2]);
578 mono_gchandle_free (gchandle);
580 mono_runtime_free_method (mono_object_domain (delegate), method);
585 mono_string_from_byvalwstr (gunichar2 *data, int max_len)
587 MonoDomain *domain = mono_domain_get ();
593 while (data [len]) len++;
595 return mono_string_new_utf16 (domain, data, MIN (len, max_len));
599 mono_array_to_savearray (MonoArray *array)
604 g_assert_not_reached ();
609 mono_array_to_lparray (MonoArray *array)
612 gpointer *nativeArray = NULL;
613 int nativeArraySize = 0;
623 klass = array->obj.vtable->klass;
625 switch (klass->element_class->byval_arg.type) {
627 g_assert_not_reached ();
629 case MONO_TYPE_CLASS:
630 nativeArraySize = array->max_length;
631 nativeArray = malloc(sizeof(gpointer) * nativeArraySize);
632 for(i = 0; i < nativeArraySize; ++i)
633 nativeArray[i] = ves_icall_System_Runtime_InteropServices_Marshal_GetIUnknownForObjectInternal(((gpointer*)array->vector)[i]);
636 case MONO_TYPE_BOOLEAN:
649 case MONO_TYPE_VALUETYPE:
653 case MONO_TYPE_GENERICINST:
654 case MONO_TYPE_OBJECT:
655 case MONO_TYPE_ARRAY:
656 case MONO_TYPE_SZARRAY:
657 case MONO_TYPE_STRING:
659 g_warning ("type 0x%x not handled", klass->element_class->byval_arg.type);
660 g_assert_not_reached ();
663 return array->vector;
667 mono_free_lparray (MonoArray *array, gpointer* nativeArray)
678 klass = array->obj.vtable->klass;
680 switch (klass->element_class->byval_arg.type) {
681 case MONO_TYPE_CLASS:
682 for(i = 0; i < array->max_length; ++i)
683 mono_marshal_free_ccw(nativeArray[i]);
691 mono_byvalarray_to_array (MonoArray *arr, gpointer native_arr, MonoClass *elclass, guint32 elnum)
693 g_assert (arr->obj.vtable->klass->element_class == mono_defaults.char_class);
695 if (elclass == mono_defaults.byte_class) {
696 GError *error = NULL;
700 ut = g_utf8_to_utf16 (native_arr, elnum, NULL, &items_written, &error);
703 memcpy (mono_array_addr (arr, guint16, 0), ut, items_written * sizeof (guint16));
707 g_error_free (error);
710 g_assert_not_reached ();
714 mono_byvalarray_to_byte_array (MonoArray *arr, gpointer native_arr, guint32 elnum)
716 mono_byvalarray_to_array (arr, native_arr, mono_defaults.byte_class, elnum);
720 mono_array_to_byvalarray (gpointer native_arr, MonoArray *arr, MonoClass *elclass, guint32 elnum)
722 g_assert (arr->obj.vtable->klass->element_class == mono_defaults.char_class);
724 if (elclass == mono_defaults.byte_class) {
726 GError *error = NULL;
728 as = g_utf16_to_utf8 (mono_array_addr (arr, gunichar2, 0), mono_array_length (arr), NULL, NULL, &error);
730 MonoException *exc = mono_get_exception_argument ("string", error->message);
731 g_error_free (error);
732 mono_raise_exception (exc);
735 memcpy (native_arr, as, MIN (strlen (as), elnum));
738 g_assert_not_reached ();
743 mono_array_to_byte_byvalarray (gpointer native_arr, MonoArray *arr, guint32 elnum)
745 mono_array_to_byvalarray (native_arr, arr, mono_defaults.byte_class, elnum);
749 mono_string_utf8_to_builder (MonoStringBuilder *sb, char *text)
751 GError *error = NULL;
761 ut = g_utf8_to_utf16 (text, l, NULL, &items_written, &error);
763 if (items_written > mono_stringbuilder_capacity (sb))
764 items_written = mono_stringbuilder_capacity (sb);
767 if (! sb->str || sb->str == sb->cached_str)
768 MONO_OBJECT_SETREF (sb, str, mono_string_new_size (mono_domain_get (), items_written));
770 memcpy (mono_string_chars (sb->str), ut, items_written * 2);
771 sb->length = items_written;
772 sb->cached_str = NULL;
774 g_error_free (error);
780 mono_string_utf8_to_builder2 (char *text)
783 MonoStringBuilder *sb;
784 static MonoClass *string_builder_class;
785 static MonoMethod *sb_ctor;
792 if (!string_builder_class) {
793 MonoMethodDesc *desc;
795 string_builder_class = mono_class_from_name (mono_defaults.corlib, "System.Text", "StringBuilder");
796 g_assert (string_builder_class);
797 desc = mono_method_desc_new (":.ctor(int)", FALSE);
798 sb_ctor = mono_method_desc_search_in_class (desc, string_builder_class);
800 mono_method_desc_free (desc);
805 sb = (MonoStringBuilder*)mono_object_new (mono_domain_get (), string_builder_class);
808 mono_runtime_invoke (sb_ctor, sb, args, &exc);
811 mono_string_utf8_to_builder (sb, text);
817 * FIXME: This routine does not seem to do what it seems to do
818 * the @text is never copied into the string builder
821 mono_string_utf16_to_builder (MonoStringBuilder *sb, gunichar2 *text)
828 g_assert (mono_string_chars (sb->str) == text);
830 for (len = 0; text [len] != 0; ++len)
837 mono_string_utf16_to_builder2 (gunichar2 *text)
840 MonoStringBuilder *sb;
841 static MonoClass *string_builder_class;
842 static MonoMethod *sb_ctor;
849 if (!string_builder_class) {
850 MonoMethodDesc *desc;
852 string_builder_class = mono_class_from_name (mono_defaults.corlib, "System.Text", "StringBuilder");
853 g_assert (string_builder_class);
854 desc = mono_method_desc_new (":.ctor(int)", FALSE);
855 sb_ctor = mono_method_desc_search_in_class (desc, string_builder_class);
857 mono_method_desc_free (desc);
860 for (len = 0; text [len] != 0; ++len)
863 sb = (MonoStringBuilder*)mono_object_new (mono_domain_get (), string_builder_class);
866 mono_runtime_invoke (sb_ctor, sb, args, &exc);
870 memcpy (mono_string_chars (sb->str), text, len * 2);
876 * mono_string_builder_to_utf8:
877 * @sb: the string builder
879 * Converts to utf8 the contents of the MonoStringBuilder.
881 * Returns: a utf8 string with the contents of the StringBuilder.
883 * The return value must be released with g_free.
886 mono_string_builder_to_utf8 (MonoStringBuilder *sb)
888 GError *error = NULL;
889 gchar *tmp, *res = NULL;
894 if ((sb->str == sb->cached_str) && (sb->str->length == 0)) {
896 * The sb could have been allocated with the default capacity and be empty.
897 * we need to alloc a buffer of the default capacity in this case.
899 MONO_OBJECT_SETREF (sb, str, mono_string_new_size (mono_domain_get (), 16));
900 sb->cached_str = NULL;
903 tmp = g_utf16_to_utf8 (mono_string_chars (sb->str), sb->length, NULL, NULL, &error);
905 g_error_free (error);
906 mono_raise_exception (mono_get_exception_execution_engine ("Failed to convert StringBuilder from utf16 to utf8"));
908 res = mono_marshal_alloc (mono_stringbuilder_capacity (sb) + 1);
909 memcpy (res, tmp, sb->length + 1);
917 * mono_string_builder_to_utf16:
918 * @sb: the string builder
920 * Converts to utf16 the contents of the MonoStringBuilder.
922 * Returns: a utf16 string with the contents of the StringBuilder.
924 * The return value must not be freed.
927 mono_string_builder_to_utf16 (MonoStringBuilder *sb)
935 * The stringbuilder might not have ownership of this string. If this is
936 * the case, we must duplicate the string, so that we don't munge immutable
939 if (sb->str == sb->cached_str) {
941 * The sb could have been allocated with the default capacity and be empty.
942 * we need to alloc a buffer of the default capacity in this case.
944 if (sb->str->length == 0)
945 MONO_OBJECT_SETREF (sb, str, mono_string_new_size (mono_domain_get (), 16));
947 MONO_OBJECT_SETREF (sb, str, mono_string_new_utf16 (mono_domain_get (), mono_string_chars (sb->str), mono_stringbuilder_capacity (sb)));
948 sb->cached_str = NULL;
952 *(mono_string_chars (sb->str)) = '\0';
954 return mono_string_chars (sb->str);
958 mono_string_to_lpstr (MonoString *s)
963 GError *error = NULL;
969 as = CoTaskMemAlloc (1);
974 tmp = g_utf16_to_utf8 (mono_string_chars (s), s->length, NULL, &len, &error);
976 MonoException *exc = mono_get_exception_argument ("string", error->message);
977 g_error_free (error);
978 mono_raise_exception(exc);
981 as = CoTaskMemAlloc (len + 1);
982 memcpy (as, tmp, len + 1);
987 return mono_string_to_utf8 (s);
992 mono_string_to_ansibstr (MonoString *string_obj)
994 g_error ("UnmanagedMarshal.BStr is not implemented.");
999 * mono_string_to_byvalstr:
1000 * @dst: Where to store the null-terminated utf8 decoded string.
1001 * @src: the MonoString to copy.
1002 * @size: the maximum number of bytes to copy.
1004 * Copies the MonoString pointed to by @src as a utf8 string
1005 * into @dst, it copies at most @size bytes into the destination.
1008 mono_string_to_byvalstr (gpointer dst, MonoString *src, int size)
1013 g_assert (dst != NULL);
1014 g_assert (size > 0);
1016 memset (dst, 0, size);
1020 s = mono_string_to_utf8 (src);
1021 len = MIN (size, strlen (s));
1024 memcpy (dst, s, len);
1029 * mono_string_to_byvalwstr:
1030 * @dst: Where to store the null-terminated utf16 decoded string.
1031 * @src: the MonoString to copy.
1032 * @size: the maximum number of bytes to copy.
1034 * Copies the MonoString pointed to by @src as a utf16 string into
1035 * @dst, it copies at most @size bytes into the destination (including
1036 * a terminating 16-bit zero terminator).
1039 mono_string_to_byvalwstr (gpointer dst, MonoString *src, int size)
1043 g_assert (dst != NULL);
1044 g_assert (size > 1);
1047 memset (dst, 0, size * 2);
1051 len = MIN (size, (mono_string_length (src)));
1052 memcpy (dst, mono_string_chars (src), size * 2);
1053 if (size <= mono_string_length (src))
1055 *((gunichar2 *) dst + len) = 0;
1059 mono_string_new_len_wrapper (const char *text, guint length)
1061 return mono_string_new_len (mono_domain_get (), text, length);
1065 #ifndef DISABLE_REMOTING
1067 mono_mb_emit_proxy_check (MonoMethodBuilder *mb, int branch_code)
1070 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
1071 mono_mb_emit_byte (mb, CEE_LDIND_I);
1072 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoVTable, klass));
1073 mono_mb_emit_byte (mb, CEE_ADD);
1074 mono_mb_emit_byte (mb, CEE_LDIND_I);
1075 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1076 mono_mb_emit_byte (mb, CEE_MONO_CLASSCONST);
1077 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_defaults.transparent_proxy_class));
1078 pos = mono_mb_emit_branch (mb, branch_code);
1083 mono_mb_emit_xdomain_check (MonoMethodBuilder *mb, int branch_code)
1086 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
1087 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1088 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoRealProxy, target_domain_id));
1089 mono_mb_emit_byte (mb, CEE_LDIND_I4);
1090 mono_mb_emit_icon (mb, -1);
1091 pos = mono_mb_emit_branch (mb, branch_code);
1096 mono_mb_emit_contextbound_check (MonoMethodBuilder *mb, int branch_code)
1098 static int offset = -1;
1102 mono_marshal_find_bitfield_offset (MonoClass, contextbound, &offset, &mask);
1104 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, remote_class));
1105 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1106 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoRemoteClass, proxy_class));
1107 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1108 mono_mb_emit_ldflda (mb, offset);
1109 mono_mb_emit_byte (mb, CEE_LDIND_U1);
1110 mono_mb_emit_icon (mb, mask);
1111 mono_mb_emit_byte (mb, CEE_AND);
1112 mono_mb_emit_icon (mb, 0);
1113 return mono_mb_emit_branch (mb, branch_code);
1115 #endif /* DISABLE_REMOTING */
1118 * mono_mb_emit_exception_marshal_directive:
1120 * This function assumes ownership of MSG, which should be malloc-ed.
1123 mono_mb_emit_exception_marshal_directive (MonoMethodBuilder *mb, char *msg)
1128 s = mono_image_strdup (mb->method->klass->image, msg);
1133 mono_mb_emit_exception_full (mb, "System.Runtime.InteropServices", "MarshalDirectiveException", s);
1136 #endif /* !DISABLE_JIT */
1139 mono_type_to_ldind (MonoType *type)
1145 switch (type->type) {
1147 return CEE_LDIND_I1;
1149 case MONO_TYPE_BOOLEAN:
1150 return CEE_LDIND_U1;
1152 return CEE_LDIND_I2;
1154 case MONO_TYPE_CHAR:
1155 return CEE_LDIND_U2;
1157 return CEE_LDIND_I4;
1159 return CEE_LDIND_U4;
1163 case MONO_TYPE_FNPTR:
1165 case MONO_TYPE_CLASS:
1166 case MONO_TYPE_STRING:
1167 case MONO_TYPE_OBJECT:
1168 case MONO_TYPE_SZARRAY:
1169 case MONO_TYPE_ARRAY:
1170 return CEE_LDIND_REF;
1173 return CEE_LDIND_I8;
1175 return CEE_LDIND_R4;
1177 return CEE_LDIND_R8;
1178 case MONO_TYPE_VALUETYPE:
1179 if (type->data.klass->enumtype) {
1180 type = mono_class_enum_basetype (type->data.klass);
1184 case MONO_TYPE_TYPEDBYREF:
1186 case MONO_TYPE_GENERICINST:
1187 type = &type->data.generic_class->container_class->byval_arg;
1190 g_error ("unknown type 0x%02x in type_to_ldind", type->type);
1196 mono_type_to_stind (MonoType *type)
1202 switch (type->type) {
1205 case MONO_TYPE_BOOLEAN:
1206 return CEE_STIND_I1;
1209 case MONO_TYPE_CHAR:
1210 return CEE_STIND_I2;
1213 return CEE_STIND_I4;
1217 case MONO_TYPE_FNPTR:
1219 case MONO_TYPE_CLASS:
1220 case MONO_TYPE_STRING:
1221 case MONO_TYPE_OBJECT:
1222 case MONO_TYPE_SZARRAY:
1223 case MONO_TYPE_ARRAY:
1224 return CEE_STIND_REF;
1227 return CEE_STIND_I8;
1229 return CEE_STIND_R4;
1231 return CEE_STIND_R8;
1232 case MONO_TYPE_VALUETYPE:
1233 if (type->data.klass->enumtype) {
1234 type = mono_class_enum_basetype (type->data.klass);
1238 case MONO_TYPE_TYPEDBYREF:
1240 case MONO_TYPE_GENERICINST:
1241 type = &type->data.generic_class->container_class->byval_arg;
1244 g_error ("unknown type 0x%02x in type_to_stind", type->type);
1252 emit_ptr_to_object_conv (MonoMethodBuilder *mb, MonoType *type, MonoMarshalConv conv, MonoMarshalSpec *mspec)
1255 case MONO_MARSHAL_CONV_BOOL_I4:
1256 mono_mb_emit_ldloc (mb, 1);
1257 mono_mb_emit_ldloc (mb, 0);
1258 mono_mb_emit_byte (mb, CEE_LDIND_I4);
1259 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
1260 mono_mb_emit_byte (mb, 3);
1261 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
1262 mono_mb_emit_byte (mb, CEE_BR_S);
1263 mono_mb_emit_byte (mb, 1);
1264 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
1265 mono_mb_emit_byte (mb, CEE_STIND_I1);
1267 case MONO_MARSHAL_CONV_BOOL_VARIANTBOOL:
1268 mono_mb_emit_ldloc (mb, 1);
1269 mono_mb_emit_ldloc (mb, 0);
1270 mono_mb_emit_byte (mb, CEE_LDIND_I2);
1271 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
1272 mono_mb_emit_byte (mb, 3);
1273 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
1274 mono_mb_emit_byte (mb, CEE_BR_S);
1275 mono_mb_emit_byte (mb, 1);
1276 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
1277 mono_mb_emit_byte (mb, CEE_STIND_I1);
1279 case MONO_MARSHAL_CONV_ARRAY_BYVALARRAY: {
1280 MonoClass *eklass = NULL;
1283 if (type->type == MONO_TYPE_SZARRAY) {
1284 eklass = type->data.klass;
1286 g_assert_not_reached ();
1289 esize = mono_class_native_size (eklass, NULL);
1291 /* create a new array */
1292 mono_mb_emit_ldloc (mb, 1);
1293 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1294 mono_mb_emit_op (mb, CEE_NEWARR, eklass);
1295 mono_mb_emit_byte (mb, CEE_STIND_I);
1297 if (eklass->blittable) {
1298 /* copy the elements */
1299 mono_mb_emit_ldloc (mb, 1);
1300 mono_mb_emit_byte (mb, CEE_LDIND_I);
1301 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArray, vector));
1302 mono_mb_emit_byte (mb, CEE_ADD);
1303 mono_mb_emit_ldloc (mb, 0);
1304 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem * esize);
1305 mono_mb_emit_byte (mb, CEE_PREFIX1);
1306 mono_mb_emit_byte (mb, CEE_CPBLK);
1309 int array_var, src_var, dst_var, index_var;
1310 guint32 label2, label3;
1312 array_var = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
1313 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1314 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1317 mono_mb_emit_ldloc (mb, 1);
1318 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1319 mono_mb_emit_stloc (mb, array_var);
1321 /* save the old src pointer */
1322 mono_mb_emit_ldloc (mb, 0);
1323 mono_mb_emit_stloc (mb, src_var);
1324 /* save the old dst pointer */
1325 mono_mb_emit_ldloc (mb, 1);
1326 mono_mb_emit_stloc (mb, dst_var);
1328 /* Emit marshalling loop */
1329 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1330 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
1331 mono_mb_emit_stloc (mb, index_var);
1334 label2 = mono_mb_get_label (mb);
1335 mono_mb_emit_ldloc (mb, index_var);
1336 mono_mb_emit_ldloc (mb, array_var);
1337 mono_mb_emit_byte (mb, CEE_LDLEN);
1338 label3 = mono_mb_emit_branch (mb, CEE_BGE);
1340 /* src is already set */
1343 mono_mb_emit_ldloc (mb, array_var);
1344 mono_mb_emit_ldloc (mb, index_var);
1345 mono_mb_emit_op (mb, CEE_LDELEMA, eklass);
1346 mono_mb_emit_stloc (mb, 1);
1348 /* Do the conversion */
1349 emit_struct_conv (mb, eklass, TRUE);
1352 mono_mb_emit_add_to_local (mb, index_var, 1);
1354 mono_mb_emit_branch_label (mb, CEE_BR, label2);
1356 mono_mb_patch_branch (mb, label3);
1358 /* restore the old src pointer */
1359 mono_mb_emit_ldloc (mb, src_var);
1360 mono_mb_emit_stloc (mb, 0);
1361 /* restore the old dst pointer */
1362 mono_mb_emit_ldloc (mb, dst_var);
1363 mono_mb_emit_stloc (mb, 1);
1367 case MONO_MARSHAL_CONV_ARRAY_BYVALCHARARRAY: {
1368 MonoClass *eclass = mono_defaults.char_class;
1370 /* create a new array */
1371 mono_mb_emit_ldloc (mb, 1);
1372 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1373 mono_mb_emit_op (mb, CEE_NEWARR, eclass);
1374 mono_mb_emit_byte (mb, CEE_STIND_REF);
1376 mono_mb_emit_ldloc (mb, 1);
1377 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1378 mono_mb_emit_ldloc (mb, 0);
1379 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1380 mono_mb_emit_icall (mb, mono_byvalarray_to_byte_array);
1383 case MONO_MARSHAL_CONV_STR_BYVALSTR:
1384 mono_mb_emit_ldloc (mb, 1);
1385 mono_mb_emit_ldloc (mb, 0);
1386 mono_mb_emit_icall (mb, mono_string_new_wrapper);
1387 mono_mb_emit_byte (mb, CEE_STIND_REF);
1389 case MONO_MARSHAL_CONV_STR_BYVALWSTR:
1390 if (mspec && mspec->native == MONO_NATIVE_BYVALTSTR && mspec->data.array_data.num_elem) {
1391 mono_mb_emit_ldloc (mb, 1);
1392 mono_mb_emit_ldloc (mb, 0);
1393 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1394 mono_mb_emit_icall (mb, mono_string_from_byvalwstr);
1396 mono_mb_emit_ldloc (mb, 1);
1397 mono_mb_emit_ldloc (mb, 0);
1398 mono_mb_emit_icall (mb, mono_string_from_utf16);
1400 mono_mb_emit_byte (mb, CEE_STIND_REF);
1402 case MONO_MARSHAL_CONV_STR_LPTSTR:
1403 mono_mb_emit_ldloc (mb, 1);
1404 mono_mb_emit_ldloc (mb, 0);
1405 mono_mb_emit_byte (mb, CEE_LDIND_I);
1407 mono_mb_emit_icall (mb, mono_string_from_utf16);
1409 mono_mb_emit_icall (mb, mono_string_new_wrapper);
1411 mono_mb_emit_byte (mb, CEE_STIND_REF);
1413 case MONO_MARSHAL_CONV_STR_LPSTR:
1414 mono_mb_emit_ldloc (mb, 1);
1415 mono_mb_emit_ldloc (mb, 0);
1416 mono_mb_emit_byte (mb, CEE_LDIND_I);
1417 mono_mb_emit_icall (mb, mono_string_new_wrapper);
1418 mono_mb_emit_byte (mb, CEE_STIND_REF);
1420 case MONO_MARSHAL_CONV_STR_LPWSTR:
1421 mono_mb_emit_ldloc (mb, 1);
1422 mono_mb_emit_ldloc (mb, 0);
1423 mono_mb_emit_byte (mb, CEE_LDIND_I);
1424 mono_mb_emit_icall (mb, mono_string_from_utf16);
1425 mono_mb_emit_byte (mb, CEE_STIND_REF);
1427 case MONO_MARSHAL_CONV_OBJECT_STRUCT: {
1428 MonoClass *klass = mono_class_from_mono_type (type);
1429 int src_var, dst_var;
1431 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1432 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1434 /* *dst = new object */
1435 mono_mb_emit_ldloc (mb, 1);
1436 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1437 mono_mb_emit_op (mb, CEE_MONO_NEWOBJ, klass);
1438 mono_mb_emit_byte (mb, CEE_STIND_REF);
1440 /* save the old src pointer */
1441 mono_mb_emit_ldloc (mb, 0);
1442 mono_mb_emit_stloc (mb, src_var);
1443 /* save the old dst pointer */
1444 mono_mb_emit_ldloc (mb, 1);
1445 mono_mb_emit_stloc (mb, dst_var);
1447 /* dst = pointer to newly created object data */
1448 mono_mb_emit_ldloc (mb, 1);
1449 mono_mb_emit_byte (mb, CEE_LDIND_I);
1450 mono_mb_emit_icon (mb, sizeof (MonoObject));
1451 mono_mb_emit_byte (mb, CEE_ADD);
1452 mono_mb_emit_stloc (mb, 1);
1454 emit_struct_conv (mb, klass, TRUE);
1456 /* restore the old src pointer */
1457 mono_mb_emit_ldloc (mb, src_var);
1458 mono_mb_emit_stloc (mb, 0);
1459 /* restore the old dst pointer */
1460 mono_mb_emit_ldloc (mb, dst_var);
1461 mono_mb_emit_stloc (mb, 1);
1464 case MONO_MARSHAL_CONV_DEL_FTN: {
1465 MonoClass *klass = mono_class_from_mono_type (type);
1467 mono_mb_emit_ldloc (mb, 1);
1468 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1469 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
1470 mono_mb_emit_ldloc (mb, 0);
1471 mono_mb_emit_byte (mb, CEE_LDIND_I);
1472 mono_mb_emit_icall (mb, mono_ftnptr_to_delegate);
1473 mono_mb_emit_byte (mb, CEE_STIND_REF);
1476 case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
1477 g_error ("Structure field of type %s can't be marshalled as LPArray", mono_class_from_mono_type (type)->name);
1481 case MONO_MARSHAL_CONV_OBJECT_INTERFACE:
1482 case MONO_MARSHAL_CONV_OBJECT_IUNKNOWN:
1483 case MONO_MARSHAL_CONV_OBJECT_IDISPATCH:
1484 mono_cominterop_emit_ptr_to_object_conv (mb, type, conv, mspec);
1486 #endif /* DISABLE_COM */
1488 case MONO_MARSHAL_CONV_SAFEHANDLE: {
1490 * Passing SafeHandles as ref does not allow the unmanaged code
1491 * to change the SafeHandle value. If the value is changed,
1492 * we should issue a diagnostic exception (NotSupportedException)
1493 * that informs the user that changes to handles in unmanaged code
1496 * Since we currently have no access to the original
1497 * SafeHandle that was used during the marshalling,
1498 * for now we just ignore this, and ignore/discard any
1499 * changes that might have happened to the handle.
1504 case MONO_MARSHAL_CONV_HANDLEREF: {
1506 * Passing HandleRefs in a struct that is ref()ed does not
1507 * copy the values back to the HandleRef
1512 case MONO_MARSHAL_CONV_STR_BSTR:
1513 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
1514 case MONO_MARSHAL_CONV_STR_TBSTR:
1515 case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
1517 char *msg = g_strdup_printf ("marshaling conversion %d not implemented", conv);
1519 mono_mb_emit_exception_marshal_directive (mb, msg);
1526 conv_to_icall (MonoMarshalConv conv)
1529 case MONO_MARSHAL_CONV_STR_LPWSTR:
1530 return mono_marshal_string_to_utf16;
1531 case MONO_MARSHAL_CONV_LPWSTR_STR:
1532 return mono_string_from_utf16;
1533 case MONO_MARSHAL_CONV_LPTSTR_STR:
1534 return mono_string_new_wrapper;
1535 case MONO_MARSHAL_CONV_LPSTR_STR:
1536 return mono_string_new_wrapper;
1537 case MONO_MARSHAL_CONV_STR_LPTSTR:
1539 return mono_marshal_string_to_utf16;
1541 return mono_string_to_lpstr;
1543 case MONO_MARSHAL_CONV_STR_LPSTR:
1544 return mono_string_to_lpstr;
1545 case MONO_MARSHAL_CONV_STR_BSTR:
1546 return mono_string_to_bstr;
1547 case MONO_MARSHAL_CONV_BSTR_STR:
1548 return mono_string_from_bstr;
1549 case MONO_MARSHAL_CONV_STR_TBSTR:
1550 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
1551 return mono_string_to_ansibstr;
1552 case MONO_MARSHAL_CONV_SB_LPSTR:
1553 return mono_string_builder_to_utf8;
1554 case MONO_MARSHAL_CONV_SB_LPTSTR:
1556 return mono_string_builder_to_utf16;
1558 return mono_string_builder_to_utf8;
1560 case MONO_MARSHAL_CONV_SB_LPWSTR:
1561 return mono_string_builder_to_utf16;
1562 case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
1563 return mono_array_to_savearray;
1564 case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
1565 return mono_array_to_lparray;
1566 case MONO_MARSHAL_FREE_LPARRAY:
1567 return mono_free_lparray;
1568 case MONO_MARSHAL_CONV_DEL_FTN:
1569 return mono_delegate_to_ftnptr;
1570 case MONO_MARSHAL_CONV_FTN_DEL:
1571 return mono_ftnptr_to_delegate;
1572 case MONO_MARSHAL_CONV_LPSTR_SB:
1573 return mono_string_utf8_to_builder;
1574 case MONO_MARSHAL_CONV_LPTSTR_SB:
1576 return mono_string_utf16_to_builder;
1578 return mono_string_utf8_to_builder;
1580 case MONO_MARSHAL_CONV_LPWSTR_SB:
1581 return mono_string_utf16_to_builder;
1582 case MONO_MARSHAL_FREE_ARRAY:
1583 return mono_marshal_free_array;
1584 case MONO_MARSHAL_CONV_STR_BYVALSTR:
1585 return mono_string_to_byvalstr;
1586 case MONO_MARSHAL_CONV_STR_BYVALWSTR:
1587 return mono_string_to_byvalwstr;
1589 g_assert_not_reached ();
1596 emit_object_to_ptr_conv (MonoMethodBuilder *mb, MonoType *type, MonoMarshalConv conv, MonoMarshalSpec *mspec)
1601 case MONO_MARSHAL_CONV_BOOL_I4:
1602 mono_mb_emit_ldloc (mb, 1);
1603 mono_mb_emit_ldloc (mb, 0);
1604 mono_mb_emit_byte (mb, CEE_LDIND_U1);
1605 mono_mb_emit_byte (mb, CEE_STIND_I4);
1607 case MONO_MARSHAL_CONV_BOOL_VARIANTBOOL:
1608 mono_mb_emit_ldloc (mb, 1);
1609 mono_mb_emit_ldloc (mb, 0);
1610 mono_mb_emit_byte (mb, CEE_LDIND_U1);
1611 mono_mb_emit_byte (mb, CEE_NEG);
1612 mono_mb_emit_byte (mb, CEE_STIND_I2);
1614 case MONO_MARSHAL_CONV_STR_LPWSTR:
1615 case MONO_MARSHAL_CONV_STR_LPSTR:
1616 case MONO_MARSHAL_CONV_STR_LPTSTR:
1617 case MONO_MARSHAL_CONV_STR_BSTR:
1618 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
1619 case MONO_MARSHAL_CONV_STR_TBSTR: {
1622 /* free space if free == true */
1623 mono_mb_emit_ldloc (mb, 2);
1624 pos = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
1625 mono_mb_emit_ldloc (mb, 1);
1626 mono_mb_emit_byte (mb, CEE_LDIND_I);
1627 mono_mb_emit_icall (mb, g_free);
1628 mono_mb_patch_short_branch (mb, pos);
1630 mono_mb_emit_ldloc (mb, 1);
1631 mono_mb_emit_ldloc (mb, 0);
1632 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1633 mono_mb_emit_icall (mb, conv_to_icall (conv));
1634 mono_mb_emit_byte (mb, CEE_STIND_I);
1637 case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
1638 case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
1639 case MONO_MARSHAL_CONV_DEL_FTN:
1640 mono_mb_emit_ldloc (mb, 1);
1641 mono_mb_emit_ldloc (mb, 0);
1642 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1643 mono_mb_emit_icall (mb, conv_to_icall (conv));
1644 mono_mb_emit_byte (mb, CEE_STIND_I);
1646 case MONO_MARSHAL_CONV_STR_BYVALSTR:
1647 case MONO_MARSHAL_CONV_STR_BYVALWSTR: {
1650 mono_mb_emit_ldloc (mb, 1); /* dst */
1651 mono_mb_emit_ldloc (mb, 0);
1652 mono_mb_emit_byte (mb, CEE_LDIND_REF); /* src String */
1653 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1654 mono_mb_emit_icall (mb, conv_to_icall (conv));
1657 case MONO_MARSHAL_CONV_ARRAY_BYVALARRAY: {
1658 MonoClass *eklass = NULL;
1661 if (type->type == MONO_TYPE_SZARRAY) {
1662 eklass = type->data.klass;
1664 g_assert_not_reached ();
1667 if (eklass->valuetype)
1668 esize = mono_class_native_size (eklass, NULL);
1670 esize = sizeof (gpointer);
1672 mono_mb_emit_ldloc (mb, 0);
1673 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1674 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
1676 if (eklass->blittable) {
1677 mono_mb_emit_ldloc (mb, 1);
1678 mono_mb_emit_ldloc (mb, 0);
1679 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1680 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoArray, vector));
1681 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem * esize);
1682 mono_mb_emit_byte (mb, CEE_PREFIX1);
1683 mono_mb_emit_byte (mb, CEE_CPBLK);
1685 int array_var, src_var, dst_var, index_var;
1686 guint32 label2, label3;
1688 array_var = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
1689 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1690 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1693 mono_mb_emit_ldloc (mb, 0);
1694 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1695 mono_mb_emit_stloc (mb, array_var);
1697 /* save the old src pointer */
1698 mono_mb_emit_ldloc (mb, 0);
1699 mono_mb_emit_stloc (mb, src_var);
1700 /* save the old dst pointer */
1701 mono_mb_emit_ldloc (mb, 1);
1702 mono_mb_emit_stloc (mb, dst_var);
1704 /* Emit marshalling loop */
1705 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1706 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
1707 mono_mb_emit_stloc (mb, index_var);
1710 label2 = mono_mb_get_label (mb);
1711 mono_mb_emit_ldloc (mb, index_var);
1712 mono_mb_emit_ldloc (mb, array_var);
1713 mono_mb_emit_byte (mb, CEE_LDLEN);
1714 label3 = mono_mb_emit_branch (mb, CEE_BGE);
1717 mono_mb_emit_ldloc (mb, array_var);
1718 mono_mb_emit_ldloc (mb, index_var);
1719 mono_mb_emit_op (mb, CEE_LDELEMA, eklass);
1720 mono_mb_emit_stloc (mb, 0);
1722 /* dst is already set */
1724 /* Do the conversion */
1725 emit_struct_conv (mb, eklass, FALSE);
1728 mono_mb_emit_add_to_local (mb, index_var, 1);
1730 mono_mb_emit_branch_label (mb, CEE_BR, label2);
1732 mono_mb_patch_branch (mb, label3);
1734 /* restore the old src pointer */
1735 mono_mb_emit_ldloc (mb, src_var);
1736 mono_mb_emit_stloc (mb, 0);
1737 /* restore the old dst pointer */
1738 mono_mb_emit_ldloc (mb, dst_var);
1739 mono_mb_emit_stloc (mb, 1);
1742 mono_mb_patch_branch (mb, pos);
1745 case MONO_MARSHAL_CONV_ARRAY_BYVALCHARARRAY: {
1746 mono_mb_emit_ldloc (mb, 0);
1747 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1748 pos = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
1750 mono_mb_emit_ldloc (mb, 1);
1751 mono_mb_emit_ldloc (mb, 0);
1752 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1753 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1754 mono_mb_emit_icall (mb, mono_array_to_byte_byvalarray);
1755 mono_mb_patch_short_branch (mb, pos);
1758 case MONO_MARSHAL_CONV_OBJECT_STRUCT: {
1759 int src_var, dst_var;
1761 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1762 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1764 mono_mb_emit_ldloc (mb, 0);
1765 mono_mb_emit_byte (mb, CEE_LDIND_I);
1766 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
1768 /* save the old src pointer */
1769 mono_mb_emit_ldloc (mb, 0);
1770 mono_mb_emit_stloc (mb, src_var);
1771 /* save the old dst pointer */
1772 mono_mb_emit_ldloc (mb, 1);
1773 mono_mb_emit_stloc (mb, dst_var);
1775 /* src = pointer to object data */
1776 mono_mb_emit_ldloc (mb, 0);
1777 mono_mb_emit_byte (mb, CEE_LDIND_I);
1778 mono_mb_emit_icon (mb, sizeof (MonoObject));
1779 mono_mb_emit_byte (mb, CEE_ADD);
1780 mono_mb_emit_stloc (mb, 0);
1782 emit_struct_conv (mb, mono_class_from_mono_type (type), FALSE);
1784 /* restore the old src pointer */
1785 mono_mb_emit_ldloc (mb, src_var);
1786 mono_mb_emit_stloc (mb, 0);
1787 /* restore the old dst pointer */
1788 mono_mb_emit_ldloc (mb, dst_var);
1789 mono_mb_emit_stloc (mb, 1);
1791 mono_mb_patch_branch (mb, pos);
1796 case MONO_MARSHAL_CONV_OBJECT_INTERFACE:
1797 case MONO_MARSHAL_CONV_OBJECT_IDISPATCH:
1798 case MONO_MARSHAL_CONV_OBJECT_IUNKNOWN:
1799 mono_cominterop_emit_object_to_ptr_conv (mb, type, conv, mspec);
1801 #endif /* DISABLE_COM */
1803 case MONO_MARSHAL_CONV_SAFEHANDLE: {
1804 int dar_release_slot, pos;
1806 dar_release_slot = mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
1809 * The following is ifdefed-out, because I have no way of doing the
1810 * DangerousRelease when destroying the structure
1813 /* set release = false */
1814 mono_mb_emit_icon (mb, 0);
1815 mono_mb_emit_stloc (mb, dar_release_slot);
1816 if (!sh_dangerous_add_ref)
1817 init_safe_handle ();
1819 /* safehandle.DangerousAddRef (ref release) */
1820 mono_mb_emit_ldloc (mb, 0); /* the source */
1821 mono_mb_emit_byte (mb, CEE_LDIND_I);
1822 mono_mb_emit_ldloc_addr (mb, dar_release_slot);
1823 mono_mb_emit_managed_call (mb, sh_dangerous_add_ref, NULL);
1825 mono_mb_emit_ldloc (mb, 0);
1826 mono_mb_emit_byte (mb, CEE_LDIND_I);
1827 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
1828 mono_mb_emit_exception (mb, "ArgumentNullException", NULL);
1829 mono_mb_patch_branch (mb, pos);
1831 /* Pull the handle field from SafeHandle */
1832 mono_mb_emit_ldloc (mb, 1);
1833 mono_mb_emit_ldloc (mb, 0);
1834 mono_mb_emit_byte (mb, CEE_LDIND_I);
1835 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoSafeHandle, handle));
1836 mono_mb_emit_byte (mb, CEE_LDIND_I);
1837 mono_mb_emit_byte (mb, CEE_STIND_I);
1841 case MONO_MARSHAL_CONV_HANDLEREF: {
1842 mono_mb_emit_ldloc (mb, 1);
1843 mono_mb_emit_ldloc (mb, 0);
1844 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoHandleRef, handle));
1845 mono_mb_emit_byte (mb, CEE_ADD);
1846 mono_mb_emit_byte (mb, CEE_LDIND_I);
1847 mono_mb_emit_byte (mb, CEE_STIND_I);
1852 char *msg = g_strdup_printf ("marshalling conversion %d not implemented", conv);
1853 MonoException *exc = mono_get_exception_not_implemented (msg);
1854 g_warning ("%s", msg);
1856 mono_raise_exception (exc);
1862 emit_struct_conv_full (MonoMethodBuilder *mb, MonoClass *klass, gboolean to_object,
1863 MonoMarshalNative string_encoding)
1865 MonoMarshalType *info;
1869 emit_struct_conv(mb, klass->parent, to_object);
1871 info = mono_marshal_load_type_info (klass);
1873 if (info->native_size == 0)
1876 if (klass->blittable) {
1877 int msize = mono_class_value_size (klass, NULL);
1878 g_assert (msize == info->native_size);
1879 mono_mb_emit_ldloc (mb, 1);
1880 mono_mb_emit_ldloc (mb, 0);
1881 mono_mb_emit_icon (mb, msize);
1882 mono_mb_emit_byte (mb, CEE_PREFIX1);
1883 mono_mb_emit_byte (mb, CEE_CPBLK);
1885 mono_mb_emit_add_to_local (mb, 0, msize);
1886 mono_mb_emit_add_to_local (mb, 1, msize);
1890 if (klass != mono_defaults.safehandle_class) {
1891 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
1892 char *msg = g_strdup_printf ("Type %s which is passed to unmanaged code must have a StructLayout attribute.",
1893 mono_type_full_name (&klass->byval_arg));
1894 mono_mb_emit_exception_marshal_directive (mb, msg);
1899 for (i = 0; i < info->num_fields; i++) {
1900 MonoMarshalNative ntype;
1901 MonoMarshalConv conv;
1902 MonoType *ftype = info->fields [i].field->type;
1905 gboolean last_field = i < (info->num_fields -1) ? 0 : 1;
1907 if (ftype->attrs & FIELD_ATTRIBUTE_STATIC)
1910 ntype = mono_type_to_unmanaged (ftype, info->fields [i].mspec, TRUE, klass->unicode, &conv);
1913 msize = klass->instance_size - info->fields [i].field->offset;
1914 usize = info->native_size - info->fields [i].offset;
1916 msize = info->fields [i + 1].field->offset - info->fields [i].field->offset;
1917 usize = info->fields [i + 1].offset - info->fields [i].offset;
1920 if (klass != mono_defaults.safehandle_class){
1922 * FIXME: Should really check for usize==0 and msize>0, but we apply
1923 * the layout to the managed structure as well.
1926 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) && (usize == 0)) {
1927 if (MONO_TYPE_IS_REFERENCE (info->fields [i].field->type) ||
1928 ((!last_field && MONO_TYPE_IS_REFERENCE (info->fields [i + 1].field->type))))
1929 g_error ("Type %s which has an [ExplicitLayout] attribute cannot have a "
1930 "reference field at the same offset as another field.",
1931 mono_type_full_name (&klass->byval_arg));
1936 case MONO_MARSHAL_CONV_NONE: {
1939 if (ftype->byref || ftype->type == MONO_TYPE_I ||
1940 ftype->type == MONO_TYPE_U) {
1941 mono_mb_emit_ldloc (mb, 1);
1942 mono_mb_emit_ldloc (mb, 0);
1943 mono_mb_emit_byte (mb, CEE_LDIND_I);
1944 mono_mb_emit_byte (mb, CEE_STIND_I);
1955 case MONO_TYPE_BOOLEAN:
1958 case MONO_TYPE_CHAR:
1964 mono_mb_emit_ldloc (mb, 1);
1965 mono_mb_emit_ldloc (mb, 0);
1966 if (t == MONO_TYPE_CHAR && ntype == MONO_NATIVE_U1 && string_encoding != MONO_NATIVE_LPWSTR) {
1968 mono_mb_emit_byte (mb, CEE_LDIND_U1);
1969 mono_mb_emit_byte (mb, CEE_STIND_I2);
1971 mono_mb_emit_byte (mb, CEE_LDIND_U2);
1972 mono_mb_emit_byte (mb, CEE_STIND_I1);
1975 mono_mb_emit_byte (mb, mono_type_to_ldind (ftype));
1976 mono_mb_emit_byte (mb, mono_type_to_stind (ftype));
1979 case MONO_TYPE_VALUETYPE: {
1980 int src_var, dst_var;
1982 if (ftype->data.klass->enumtype) {
1983 ftype = mono_class_enum_basetype (ftype->data.klass);
1987 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1988 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1990 /* save the old src pointer */
1991 mono_mb_emit_ldloc (mb, 0);
1992 mono_mb_emit_stloc (mb, src_var);
1993 /* save the old dst pointer */
1994 mono_mb_emit_ldloc (mb, 1);
1995 mono_mb_emit_stloc (mb, dst_var);
1997 emit_struct_conv (mb, ftype->data.klass, to_object);
1999 /* restore the old src pointer */
2000 mono_mb_emit_ldloc (mb, src_var);
2001 mono_mb_emit_stloc (mb, 0);
2002 /* restore the old dst pointer */
2003 mono_mb_emit_ldloc (mb, dst_var);
2004 mono_mb_emit_stloc (mb, 1);
2007 case MONO_TYPE_OBJECT: {
2010 static MonoMethod *variant_clear = NULL;
2011 static MonoMethod *get_object_for_native_variant = NULL;
2014 variant_clear = mono_class_get_method_from_name (mono_class_get_variant_class (), "Clear", 0);
2015 if (!get_object_for_native_variant)
2016 get_object_for_native_variant = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetObjectForNativeVariant", 1);
2017 mono_mb_emit_ldloc (mb, 1);
2018 mono_mb_emit_ldloc (mb, 0);
2019 mono_mb_emit_managed_call (mb, get_object_for_native_variant, NULL);
2020 mono_mb_emit_byte (mb, CEE_STIND_REF);
2022 mono_mb_emit_ldloc (mb, 0);
2023 mono_mb_emit_managed_call (mb, variant_clear, NULL);
2026 static MonoMethod *get_native_variant_for_object = NULL;
2028 if (!get_native_variant_for_object)
2029 get_native_variant_for_object = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetNativeVariantForObject", 2);
2031 mono_mb_emit_ldloc (mb, 0);
2032 mono_mb_emit_byte(mb, CEE_LDIND_REF);
2033 mono_mb_emit_ldloc (mb, 1);
2034 mono_mb_emit_managed_call (mb, get_native_variant_for_object, NULL);
2037 char *msg = g_strdup_printf ("COM support was disabled at compilation time.");
2038 mono_mb_emit_exception_marshal_directive (mb, msg);
2044 g_warning ("marshaling type %02x not implemented", ftype->type);
2045 g_assert_not_reached ();
2050 int src_var, dst_var;
2052 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2053 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2055 /* save the old src pointer */
2056 mono_mb_emit_ldloc (mb, 0);
2057 mono_mb_emit_stloc (mb, src_var);
2058 /* save the old dst pointer */
2059 mono_mb_emit_ldloc (mb, 1);
2060 mono_mb_emit_stloc (mb, dst_var);
2063 emit_ptr_to_object_conv (mb, ftype, conv, info->fields [i].mspec);
2065 emit_object_to_ptr_conv (mb, ftype, conv, info->fields [i].mspec);
2067 /* restore the old src pointer */
2068 mono_mb_emit_ldloc (mb, src_var);
2069 mono_mb_emit_stloc (mb, 0);
2070 /* restore the old dst pointer */
2071 mono_mb_emit_ldloc (mb, dst_var);
2072 mono_mb_emit_stloc (mb, 1);
2077 mono_mb_emit_add_to_local (mb, 0, usize);
2078 mono_mb_emit_add_to_local (mb, 1, msize);
2080 mono_mb_emit_add_to_local (mb, 0, msize);
2081 mono_mb_emit_add_to_local (mb, 1, usize);
2087 emit_struct_conv (MonoMethodBuilder *mb, MonoClass *klass, gboolean to_object)
2089 emit_struct_conv_full (mb, klass, to_object, -1);
2093 emit_struct_free (MonoMethodBuilder *mb, MonoClass *klass, int struct_var)
2095 /* Call DestroyStructure */
2096 /* FIXME: Only do this if needed */
2097 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2098 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
2099 mono_mb_emit_ldloc (mb, struct_var);
2100 mono_mb_emit_icall (mb, mono_struct_delete_old);
2104 emit_thread_interrupt_checkpoint_call (MonoMethodBuilder *mb, gpointer checkpoint_func)
2108 mono_mb_emit_ptr (mb, (gpointer) mono_thread_interruption_request_flag ());
2109 mono_mb_emit_byte (mb, CEE_LDIND_U4);
2110 pos_noabort = mono_mb_emit_branch (mb, CEE_BRFALSE);
2112 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2113 mono_mb_emit_byte (mb, CEE_MONO_NOT_TAKEN);
2115 mono_mb_emit_icall (mb, checkpoint_func);
2117 mono_mb_patch_branch (mb, pos_noabort);
2121 emit_thread_interrupt_checkpoint (MonoMethodBuilder *mb)
2123 if (strstr (mb->name, "mono_thread_interruption_checkpoint"))
2126 emit_thread_interrupt_checkpoint_call (mb, mono_thread_interruption_checkpoint);
2130 emit_thread_force_interrupt_checkpoint (MonoMethodBuilder *mb)
2132 emit_thread_interrupt_checkpoint_call (mb, mono_thread_force_interruption_checkpoint);
2136 mono_marshal_emit_thread_interrupt_checkpoint (MonoMethodBuilder *mb)
2138 emit_thread_interrupt_checkpoint (mb);
2141 #endif /* DISABLE_JIT */
2143 static MonoAsyncResult *
2144 mono_delegate_begin_invoke (MonoDelegate *delegate, gpointer *params)
2146 MonoMethodMessage *msg;
2147 MonoDelegate *async_callback;
2148 MonoMulticastDelegate *mcast_delegate;
2152 MonoMethod *method = NULL, *method2 = NULL;
2154 g_assert (delegate);
2155 mcast_delegate = (MonoMulticastDelegate *) delegate;
2156 if (mcast_delegate->prev != NULL)
2157 mono_raise_exception (mono_get_exception_argument (NULL, "The delegate must have only one target"));
2159 #ifndef DISABLE_REMOTING
2160 if (delegate->target && mono_object_class (delegate->target) == mono_defaults.transparent_proxy_class) {
2162 MonoTransparentProxy* tp = (MonoTransparentProxy *)delegate->target;
2163 if (!mono_class_is_contextbound (tp->remote_class->proxy_class) || tp->rp->context != (MonoObject *) mono_context_get ()) {
2165 /* If the target is a proxy, make a direct call. Is proxy's work
2166 // to make the call asynchronous.
2168 MonoAsyncResult *ares;
2170 MonoArray *out_args;
2171 method = delegate->method;
2173 msg = mono_method_call_message_new (mono_marshal_method_from_wrapper (method), params, NULL, &async_callback, &state);
2174 ares = mono_async_result_new (mono_domain_get (), NULL, state, NULL, NULL);
2175 MONO_OBJECT_SETREF (ares, async_delegate, (MonoObject *)delegate);
2176 MONO_OBJECT_SETREF (ares, async_callback, (MonoObject *)async_callback);
2177 MONO_OBJECT_SETREF (msg, async_result, ares);
2178 msg->call_type = CallType_BeginInvoke;
2181 mono_remoting_invoke ((MonoObject *)tp->rp, msg, &exc, &out_args);
2183 mono_raise_exception ((MonoException *) exc);
2189 klass = delegate->object.vtable->klass;
2191 method = mono_get_delegate_invoke (klass);
2192 method2 = mono_class_get_method_from_name (klass, "BeginInvoke", -1);
2195 g_assert (method != NULL);
2197 im = mono_get_delegate_invoke (method->klass);
2198 msg = mono_method_call_message_new (method, params, im, &async_callback, &state);
2200 return mono_thread_pool_add ((MonoObject *)delegate, msg, async_callback, state);
2206 mono_mb_emit_save_args (MonoMethodBuilder *mb, MonoMethodSignature *sig, gboolean save_this)
2208 int i, params_var, tmp_var;
2210 /* allocate local (pointer) *params[] */
2211 params_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2212 /* allocate local (pointer) tmp */
2213 tmp_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2215 /* alloate space on stack to store an array of pointers to the arguments */
2216 mono_mb_emit_icon (mb, sizeof (gpointer) * (sig->param_count + 1));
2217 mono_mb_emit_byte (mb, CEE_PREFIX1);
2218 mono_mb_emit_byte (mb, CEE_LOCALLOC);
2219 mono_mb_emit_stloc (mb, params_var);
2222 mono_mb_emit_ldloc (mb, params_var);
2223 mono_mb_emit_stloc (mb, tmp_var);
2225 if (save_this && sig->hasthis) {
2226 mono_mb_emit_ldloc (mb, tmp_var);
2227 mono_mb_emit_ldarg_addr (mb, 0);
2228 mono_mb_emit_byte (mb, CEE_STIND_I);
2229 /* tmp = tmp + sizeof (gpointer) */
2230 if (sig->param_count)
2231 mono_mb_emit_add_to_local (mb, tmp_var, sizeof (gpointer));
2235 for (i = 0; i < sig->param_count; i++) {
2236 mono_mb_emit_ldloc (mb, tmp_var);
2237 mono_mb_emit_ldarg_addr (mb, i + sig->hasthis);
2238 mono_mb_emit_byte (mb, CEE_STIND_I);
2239 /* tmp = tmp + sizeof (gpointer) */
2240 if (i < (sig->param_count - 1))
2241 mono_mb_emit_add_to_local (mb, tmp_var, sizeof (gpointer));
2247 #endif /* DISABLE_JIT */
2250 mono_signature_to_name (MonoMethodSignature *sig, const char *prefix)
2254 GString *res = g_string_new ("");
2257 g_string_append (res, prefix);
2258 g_string_append_c (res, '_');
2261 mono_type_get_desc (res, sig->ret, FALSE);
2264 g_string_append (res, "__this__");
2266 for (i = 0; i < sig->param_count; ++i) {
2267 g_string_append_c (res, '_');
2268 mono_type_get_desc (res, sig->params [i], FALSE);
2271 g_string_free (res, FALSE);
2276 * mono_marshal_get_string_encoding:
2278 * Return the string encoding which should be used for a given parameter.
2280 static MonoMarshalNative
2281 mono_marshal_get_string_encoding (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
2283 /* First try the parameter marshal info */
2285 if (spec->native == MONO_NATIVE_LPARRAY) {
2286 if ((spec->data.array_data.elem_type != 0) && (spec->data.array_data.elem_type != MONO_NATIVE_MAX))
2287 return spec->data.array_data.elem_type;
2290 return spec->native;
2294 return MONO_NATIVE_LPSTR;
2296 /* Then try the method level marshal info */
2297 switch (piinfo->piflags & PINVOKE_ATTRIBUTE_CHAR_SET_MASK) {
2298 case PINVOKE_ATTRIBUTE_CHAR_SET_ANSI:
2299 return MONO_NATIVE_LPSTR;
2300 case PINVOKE_ATTRIBUTE_CHAR_SET_UNICODE:
2301 return MONO_NATIVE_LPWSTR;
2302 case PINVOKE_ATTRIBUTE_CHAR_SET_AUTO:
2304 return MONO_NATIVE_LPWSTR;
2306 return MONO_NATIVE_LPSTR;
2309 return MONO_NATIVE_LPSTR;
2313 static MonoMarshalConv
2314 mono_marshal_get_string_to_ptr_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
2316 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
2319 case MONO_NATIVE_LPWSTR:
2320 return MONO_MARSHAL_CONV_STR_LPWSTR;
2321 case MONO_NATIVE_LPSTR:
2322 case MONO_NATIVE_VBBYREFSTR:
2323 return MONO_MARSHAL_CONV_STR_LPSTR;
2324 case MONO_NATIVE_LPTSTR:
2325 return MONO_MARSHAL_CONV_STR_LPTSTR;
2326 case MONO_NATIVE_BSTR:
2327 return MONO_MARSHAL_CONV_STR_BSTR;
2333 static MonoMarshalConv
2334 mono_marshal_get_stringbuilder_to_ptr_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
2336 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
2339 case MONO_NATIVE_LPWSTR:
2340 return MONO_MARSHAL_CONV_SB_LPWSTR;
2342 case MONO_NATIVE_LPSTR:
2343 return MONO_MARSHAL_CONV_SB_LPSTR;
2345 case MONO_NATIVE_LPTSTR:
2346 return MONO_MARSHAL_CONV_SB_LPTSTR;
2353 static MonoMarshalConv
2354 mono_marshal_get_ptr_to_string_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec, gboolean *need_free)
2356 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
2361 case MONO_NATIVE_LPWSTR:
2363 return MONO_MARSHAL_CONV_LPWSTR_STR;
2364 case MONO_NATIVE_LPSTR:
2365 case MONO_NATIVE_VBBYREFSTR:
2366 return MONO_MARSHAL_CONV_LPSTR_STR;
2367 case MONO_NATIVE_LPTSTR:
2368 return MONO_MARSHAL_CONV_LPTSTR_STR;
2369 case MONO_NATIVE_BSTR:
2370 return MONO_MARSHAL_CONV_BSTR_STR;
2376 static MonoMarshalConv
2377 mono_marshal_get_ptr_to_stringbuilder_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec, gboolean *need_free)
2379 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
2384 case MONO_NATIVE_LPWSTR:
2386 * mono_string_builder_to_utf16 does not allocate a
2387 * new buffer, so no need to free it.
2390 return MONO_MARSHAL_CONV_LPWSTR_SB;
2391 case MONO_NATIVE_LPSTR:
2392 return MONO_MARSHAL_CONV_LPSTR_SB;
2394 case MONO_NATIVE_LPTSTR:
2395 return MONO_MARSHAL_CONV_LPTSTR_SB;
2403 * Return whenever a field of a native structure or an array member needs to
2407 mono_marshal_need_free (MonoType *t, MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
2409 MonoMarshalNative encoding;
2410 MonoMarshalConv conv;
2413 case MONO_TYPE_VALUETYPE:
2414 /* FIXME: Optimize this */
2416 case MONO_TYPE_OBJECT:
2417 case MONO_TYPE_CLASS:
2418 if (t->data.klass == mono_defaults.stringbuilder_class) {
2420 conv = mono_marshal_get_ptr_to_stringbuilder_conv (piinfo, spec, &need_free);
2424 case MONO_TYPE_STRING:
2425 encoding = mono_marshal_get_string_encoding (piinfo, spec);
2426 return (encoding == MONO_NATIVE_LPWSTR) ? FALSE : TRUE;
2433 * Return the hash table pointed to by VAR, lazily creating it if neccesary.
2436 get_cache (GHashTable **var, GHashFunc hash_func, GCompareFunc equal_func)
2439 mono_marshal_lock ();
2442 g_hash_table_new (hash_func, equal_func);
2443 mono_memory_barrier ();
2446 mono_marshal_unlock ();
2452 get_cache_full (GHashTable **var, GHashFunc hash_func, GCompareFunc equal_func, GDestroyNotify key_destroy_func, GDestroyNotify value_destroy_func)
2455 mono_marshal_lock ();
2458 g_hash_table_new_full (hash_func, equal_func, key_destroy_func, value_destroy_func);
2459 mono_memory_barrier ();
2462 mono_marshal_unlock ();
2468 mono_marshal_get_cache (GHashTable **var, GHashFunc hash_func, GCompareFunc equal_func)
2470 return get_cache (var, hash_func, equal_func);
2474 mono_marshal_find_in_cache (GHashTable *cache, gpointer key)
2478 mono_marshal_lock ();
2479 res = g_hash_table_lookup (cache, key);
2480 mono_marshal_unlock ();
2484 /* Create the method from the builder and place it in the cache */
2486 mono_mb_create_and_cache_full (GHashTable *cache, gpointer key,
2487 MonoMethodBuilder *mb, MonoMethodSignature *sig,
2488 int max_stack, gboolean *out_found)
2495 mono_marshal_lock ();
2496 res = g_hash_table_lookup (cache, key);
2497 mono_marshal_unlock ();
2500 newm = mono_mb_create_method (mb, sig, max_stack);
2501 mono_marshal_lock ();
2502 res = g_hash_table_lookup (cache, key);
2505 g_hash_table_insert (cache, key, res);
2506 mono_marshal_set_wrapper_info (res, key);
2507 mono_marshal_unlock ();
2511 mono_marshal_unlock ();
2512 mono_free_method (newm);
2520 mono_mb_create_and_cache (GHashTable *cache, gpointer key,
2521 MonoMethodBuilder *mb, MonoMethodSignature *sig,
2524 return mono_mb_create_and_cache_full (cache, key, mb, sig, max_stack, NULL);
2527 static inline MonoMethod*
2528 mono_marshal_remoting_find_in_cache (MonoMethod *method, int wrapper_type)
2530 MonoMethod *res = NULL;
2531 MonoRemotingMethods *wrps;
2533 mono_marshal_lock ();
2534 if (method->klass->image->remoting_invoke_cache)
2535 wrps = g_hash_table_lookup (method->klass->image->remoting_invoke_cache, method);
2540 switch (wrapper_type) {
2541 case MONO_WRAPPER_REMOTING_INVOKE: res = wrps->invoke; break;
2542 case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK: res = wrps->invoke_with_check; break;
2543 case MONO_WRAPPER_XDOMAIN_INVOKE: res = wrps->xdomain_invoke; break;
2544 case MONO_WRAPPER_XDOMAIN_DISPATCH: res = wrps->xdomain_dispatch; break;
2548 /* it is important to do the unlock after the load from wrps, since in
2549 * mono_remoting_mb_create_and_cache () we drop the marshal lock to be able
2550 * to take the loader lock and some other thread may set the fields.
2552 mono_marshal_unlock ();
2556 /* Create the method from the builder and place it in the cache */
2557 static inline MonoMethod*
2558 mono_remoting_mb_create_and_cache (MonoMethod *key, MonoMethodBuilder *mb,
2559 MonoMethodSignature *sig, int max_stack)
2561 MonoMethod **res = NULL;
2562 MonoRemotingMethods *wrps;
2563 GHashTable *cache = get_cache_full (&key->klass->image->remoting_invoke_cache, mono_aligned_addr_hash, NULL, NULL, g_free);
2565 mono_marshal_lock ();
2566 wrps = g_hash_table_lookup (cache, key);
2568 wrps = g_new0 (MonoRemotingMethods, 1);
2569 g_hash_table_insert (cache, key, wrps);
2572 switch (mb->method->wrapper_type) {
2573 case MONO_WRAPPER_REMOTING_INVOKE: res = &wrps->invoke; break;
2574 case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK: res = &wrps->invoke_with_check; break;
2575 case MONO_WRAPPER_XDOMAIN_INVOKE: res = &wrps->xdomain_invoke; break;
2576 case MONO_WRAPPER_XDOMAIN_DISPATCH: res = &wrps->xdomain_dispatch; break;
2577 default: g_assert_not_reached (); break;
2579 mono_marshal_unlock ();
2583 newm = mono_mb_create_method (mb, sig, max_stack);
2585 mono_marshal_lock ();
2588 mono_marshal_set_wrapper_info (*res, key);
2589 mono_marshal_unlock ();
2591 mono_marshal_unlock ();
2592 mono_free_method (newm);
2600 mono_marshal_method_from_wrapper (MonoMethod *wrapper)
2603 int wrapper_type = wrapper->wrapper_type;
2606 if (wrapper_type == MONO_WRAPPER_NONE || wrapper_type == MONO_WRAPPER_DYNAMIC_METHOD)
2609 switch (wrapper_type) {
2610 case MONO_WRAPPER_REMOTING_INVOKE:
2611 case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK:
2612 case MONO_WRAPPER_XDOMAIN_INVOKE:
2613 case MONO_WRAPPER_SYNCHRONIZED:
2614 case MONO_WRAPPER_UNBOX:
2615 res = mono_marshal_get_wrapper_info (wrapper);
2618 if (wrapper->is_inflated)
2620 * A method cannot be inflated and a wrapper at the same time, so the wrapper info
2621 * contains an uninflated method.
2623 return mono_class_inflate_generic_method (res, mono_method_get_context (wrapper));
2626 case MONO_WRAPPER_MANAGED_TO_NATIVE:
2627 info = mono_marshal_get_wrapper_info (wrapper);
2628 if (info && (info->subtype == WRAPPER_SUBTYPE_NONE || info->subtype == WRAPPER_SUBTYPE_NATIVE_FUNC_AOT || info->subtype == WRAPPER_SUBTYPE_PINVOKE))
2629 return info->d.managed_to_native.method;
2632 case MONO_WRAPPER_RUNTIME_INVOKE:
2633 info = mono_marshal_get_wrapper_info (wrapper);
2634 if (info && (info->subtype == WRAPPER_SUBTYPE_RUNTIME_INVOKE_DIRECT || info->subtype == WRAPPER_SUBTYPE_RUNTIME_INVOKE_VIRTUAL))
2635 return info->d.runtime_invoke.method;
2644 * mono_marshal_get_wrapper_info:
2646 * Retrieve the pointer stored by mono_marshal_set_wrapper_info. The type of data
2647 * returned depends on the wrapper type. It is usually a method, a class, or a
2648 * WrapperInfo structure.
2651 mono_marshal_get_wrapper_info (MonoMethod *wrapper)
2653 g_assert (wrapper->wrapper_type);
2655 return mono_method_get_wrapper_data (wrapper, 1);
2659 * mono_marshal_set_wrapper_info:
2661 * Store an arbitrary pointer inside the wrapper which is retrievable by
2662 * mono_marshal_get_wrapper_info. The format of the data depends on the type of the
2663 * wrapper (method->wrapper_type).
2666 mono_marshal_set_wrapper_info (MonoMethod *method, gpointer data)
2670 if (method->wrapper_type == MONO_WRAPPER_NONE || method->wrapper_type == MONO_WRAPPER_DYNAMIC_METHOD)
2673 datav = ((MonoMethodWrapper *)method)->method_data;
2678 mono_wrapper_info_create (MonoMethod *wrapper, WrapperSubtype subtype)
2682 info = mono_image_alloc0 (wrapper->klass->image, sizeof (WrapperInfo));
2683 info->subtype = subtype;
2688 * get_wrapper_target_class:
2690 * Return the class where a wrapper method should be placed.
2693 get_wrapper_target_class (MonoImage *image)
2699 * - can't put all wrappers into an mscorlib class, because they reference
2700 * metadata (signature) so they should be put into the same image as the
2701 * method they wrap, so they are unloaded together.
2702 * - putting them into a class with a type initalizer could cause the
2703 * initializer to be executed which can be a problem if the wrappers are
2705 * - putting them into an inflated class can cause problems if the the
2706 * class is deleted because it references an image which is unloaded.
2707 * To avoid these problems, we put the wrappers into the <Module> class of
2711 klass = ((MonoDynamicImage*)image)->wrappers_type;
2713 klass = mono_class_get (image, mono_metadata_make_token (MONO_TABLE_TYPEDEF, 1));
2720 * Wrappers for generic methods should be instances of generic wrapper methods, i.e .the wrapper for Sort<int> should be
2721 * an instance of the wrapper for Sort<T>. This is required for full-aot to work.
2725 * check_generic_wrapper_cache:
2727 * Check CACHE for the wrapper of the generic instance ORIG_METHOD, and return it if it is found.
2728 * KEY should be the key for ORIG_METHOD in the cache, while DEF_KEY should be the key of its
2729 * generic method definition.
2732 check_generic_wrapper_cache (GHashTable *cache, MonoMethod *orig_method, gpointer key, gpointer def_key)
2735 MonoMethod *inst, *def;
2736 MonoGenericContext *ctx;
2737 MonoMethod *def_method;
2739 g_assert (orig_method->is_inflated);
2740 def_method = ((MonoMethodInflated*)orig_method)->declaring;
2741 ctx = mono_method_get_context (orig_method);
2744 * Look for the instance
2746 res = mono_marshal_find_in_cache (cache, key);
2751 * Look for the definition
2753 def = mono_marshal_find_in_cache (cache, def_key);
2755 inst = mono_class_inflate_generic_method (def, ctx);
2757 mono_memory_barrier ();
2758 mono_marshal_lock ();
2759 res = g_hash_table_lookup (cache, key);
2761 g_hash_table_insert (cache, key, inst);
2764 mono_marshal_unlock ();
2771 cache_generic_wrapper (GHashTable *cache, MonoMethod *orig_method, MonoMethod *def, MonoGenericContext *ctx, gpointer key)
2773 MonoMethod *inst, *res;
2776 * We use the same cache for the generic definition and the instances.
2778 inst = mono_class_inflate_generic_method (def, ctx);
2779 mono_memory_barrier ();
2780 mono_marshal_lock ();
2781 res = g_hash_table_lookup (cache, key);
2783 g_hash_table_insert (cache, key, inst);
2786 mono_marshal_unlock ();
2791 check_generic_delegate_wrapper_cache (GHashTable *cache, MonoMethod *orig_method, MonoMethod *def_method, MonoGenericContext *ctx)
2794 MonoMethod *inst, *def;
2797 * Look for the instance
2799 res = mono_marshal_find_in_cache (cache, orig_method->klass);
2804 * Look for the definition
2806 def = mono_marshal_find_in_cache (cache, def_method->klass);
2808 inst = mono_class_inflate_generic_method (def, ctx);
2810 mono_memory_barrier ();
2811 mono_marshal_lock ();
2812 res = g_hash_table_lookup (cache, orig_method->klass);
2814 g_hash_table_insert (cache, orig_method->klass, inst);
2817 mono_marshal_unlock ();
2824 cache_generic_delegate_wrapper (GHashTable *cache, MonoMethod *orig_method, MonoMethod *def, MonoGenericContext *ctx)
2826 MonoMethod *inst, *res;
2829 * We use the same cache for the generic definition and the instances.
2831 inst = mono_class_inflate_generic_method (def, ctx);
2832 mono_memory_barrier ();
2833 mono_marshal_lock ();
2834 res = g_hash_table_lookup (cache, orig_method->klass);
2836 g_hash_table_insert (cache, orig_method->klass, inst);
2839 mono_marshal_unlock ();
2844 mono_marshal_get_delegate_begin_invoke (MonoMethod *method)
2846 MonoMethodSignature *sig;
2847 MonoMethodBuilder *mb;
2852 MonoGenericContext *ctx = NULL;
2853 MonoMethod *orig_method = NULL;
2855 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
2856 !strcmp (method->name, "BeginInvoke"));
2859 * For generic delegates, create a generic wrapper, and returns an instance to help AOT.
2861 if (method->is_inflated) {
2862 orig_method = method;
2863 ctx = &((MonoMethodInflated*)method)->context;
2864 method = ((MonoMethodInflated*)method)->declaring;
2867 sig = mono_signature_no_pinvoke (method);
2873 cache = get_cache (&method->klass->image->delegate_begin_invoke_generic_cache, mono_aligned_addr_hash, NULL);
2874 res = check_generic_delegate_wrapper_cache (cache, orig_method, method, ctx);
2878 cache = get_cache (&method->klass->image->delegate_begin_invoke_cache,
2879 (GHashFunc)mono_signature_hash,
2880 (GCompareFunc)mono_metadata_signature_equal);
2881 if ((res = mono_marshal_find_in_cache (cache, sig)))
2885 g_assert (sig->hasthis);
2887 name = mono_signature_to_name (sig, "begin_invoke");
2889 mb = mono_mb_new (method->klass, name, MONO_WRAPPER_DELEGATE_BEGIN_INVOKE);
2891 mb = mono_mb_new (get_wrapper_target_class (method->klass->image), name, MONO_WRAPPER_DELEGATE_BEGIN_INVOKE);
2895 params_var = mono_mb_emit_save_args (mb, sig, FALSE);
2897 mono_mb_emit_ldarg (mb, 0);
2898 mono_mb_emit_ldloc (mb, params_var);
2899 mono_mb_emit_icall (mb, mono_delegate_begin_invoke);
2900 mono_mb_emit_byte (mb, CEE_RET);
2905 def = mono_mb_create_and_cache (cache, method->klass, mb, sig, sig->param_count + 16);
2906 res = cache_generic_delegate_wrapper (cache, orig_method, def, ctx);
2908 res = mono_mb_create_and_cache (cache, sig, mb, sig, sig->param_count + 16);
2916 mono_delegate_end_invoke (MonoDelegate *delegate, gpointer *params)
2918 MonoDomain *domain = mono_domain_get ();
2919 MonoAsyncResult *ares;
2920 MonoMethod *method = NULL;
2921 MonoMethodSignature *sig;
2922 MonoMethodMessage *msg;
2923 MonoObject *res, *exc;
2924 MonoArray *out_args;
2927 g_assert (delegate);
2929 if (!delegate->method_info) {
2930 g_assert (delegate->method);
2931 MONO_OBJECT_SETREF (delegate, method_info, mono_method_get_object (domain, delegate->method, NULL));
2934 if (!delegate->method_info || !delegate->method_info->method)
2935 g_assert_not_reached ();
2937 klass = delegate->object.vtable->klass;
2939 method = mono_class_get_method_from_name (klass, "EndInvoke", -1);
2940 g_assert (method != NULL);
2942 sig = mono_signature_no_pinvoke (method);
2944 msg = mono_method_call_message_new (method, params, NULL, NULL, NULL);
2946 ares = mono_array_get (msg->args, gpointer, sig->param_count - 1);
2948 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."));
2952 if (ares->async_delegate != (MonoObject*)delegate) {
2953 mono_raise_exception (mono_get_exception_invalid_operation (
2954 "The IAsyncResult object provided does not match this delegate."));
2958 #ifndef DISABLE_REMOTING
2959 if (delegate->target && mono_object_is_transparent_proxy (delegate->target)) {
2960 MonoTransparentProxy* tp = (MonoTransparentProxy *)delegate->target;
2961 msg = (MonoMethodMessage *)mono_object_new (domain, mono_defaults.mono_method_message_class);
2962 mono_message_init (domain, msg, delegate->method_info, NULL);
2963 msg->call_type = CallType_EndInvoke;
2964 MONO_OBJECT_SETREF (msg, async_result, ares);
2965 res = mono_remoting_invoke ((MonoObject *)tp->rp, msg, &exc, &out_args);
2969 res = mono_thread_pool_finish (ares, &out_args, &exc);
2973 if (((MonoException*)exc)->stack_trace) {
2974 char *strace = mono_string_to_utf8 (((MonoException*)exc)->stack_trace);
2976 tmp = g_strdup_printf ("%s\nException Rethrown at:\n", strace);
2978 MONO_OBJECT_SETREF (((MonoException*)exc), stack_trace, mono_string_new (domain, tmp));
2981 mono_raise_exception ((MonoException*)exc);
2984 mono_method_return_message_restore (method, params, out_args);
2991 mono_mb_emit_restore_result (MonoMethodBuilder *mb, MonoType *return_type)
2993 MonoType *t = mono_type_get_underlying_type (return_type);
2995 if (return_type->byref)
2996 return_type = &mono_defaults.int_class->byval_arg;
2999 case MONO_TYPE_VOID:
3000 g_assert_not_reached ();
3003 case MONO_TYPE_STRING:
3004 case MONO_TYPE_CLASS:
3005 case MONO_TYPE_OBJECT:
3006 case MONO_TYPE_ARRAY:
3007 case MONO_TYPE_SZARRAY:
3011 case MONO_TYPE_BOOLEAN:
3014 case MONO_TYPE_CHAR:
3024 mono_mb_emit_op (mb, CEE_UNBOX, mono_class_from_mono_type (return_type));
3025 mono_mb_emit_byte (mb, mono_type_to_ldind (return_type));
3027 case MONO_TYPE_GENERICINST:
3028 if (!mono_type_generic_inst_is_valuetype (t))
3031 case MONO_TYPE_VALUETYPE: {
3032 MonoClass *klass = mono_class_from_mono_type (return_type);
3033 mono_mb_emit_op (mb, CEE_UNBOX, klass);
3034 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
3038 case MONO_TYPE_MVAR: {
3039 MonoClass *klass = mono_class_from_mono_type (return_type);
3040 mono_mb_emit_op (mb, CEE_UNBOX_ANY, klass);
3044 g_warning ("type 0x%x not handled", return_type->type);
3045 g_assert_not_reached ();
3048 mono_mb_emit_byte (mb, CEE_RET);
3051 #endif /* DISABLE_JIT */
3054 mono_marshal_get_delegate_end_invoke (MonoMethod *method)
3056 MonoMethodSignature *sig;
3057 MonoMethodBuilder *mb;
3062 MonoGenericContext *ctx = NULL;
3063 MonoMethod *orig_method = NULL;
3065 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
3066 !strcmp (method->name, "EndInvoke"));
3069 * For generic delegates, create a generic wrapper, and returns an instance to help AOT.
3071 if (method->is_inflated) {
3072 orig_method = method;
3073 ctx = &((MonoMethodInflated*)method)->context;
3074 method = ((MonoMethodInflated*)method)->declaring;
3077 sig = mono_signature_no_pinvoke (method);
3083 cache = get_cache (&method->klass->image->delegate_end_invoke_generic_cache, mono_aligned_addr_hash, NULL);
3084 res = check_generic_delegate_wrapper_cache (cache, orig_method, method, ctx);
3088 cache = get_cache (&method->klass->image->delegate_end_invoke_cache,
3089 (GHashFunc)mono_signature_hash,
3090 (GCompareFunc)mono_metadata_signature_equal);
3091 if ((res = mono_marshal_find_in_cache (cache, sig)))
3095 g_assert (sig->hasthis);
3097 name = mono_signature_to_name (sig, "end_invoke");
3099 mb = mono_mb_new (method->klass, name, MONO_WRAPPER_DELEGATE_END_INVOKE);
3101 mb = mono_mb_new (get_wrapper_target_class (method->klass->image), name, MONO_WRAPPER_DELEGATE_END_INVOKE);
3105 params_var = mono_mb_emit_save_args (mb, sig, FALSE);
3107 mono_mb_emit_ldarg (mb, 0);
3108 mono_mb_emit_ldloc (mb, params_var);
3109 mono_mb_emit_icall (mb, mono_delegate_end_invoke);
3111 if (sig->ret->type == MONO_TYPE_VOID) {
3112 mono_mb_emit_byte (mb, CEE_POP);
3113 mono_mb_emit_byte (mb, CEE_RET);
3115 mono_mb_emit_restore_result (mb, sig->ret);
3120 def = mono_mb_create_and_cache (cache, method->klass, mb, sig, sig->param_count + 16);
3121 res = cache_generic_delegate_wrapper (cache, orig_method, def, ctx);
3123 res = mono_mb_create_and_cache (cache, sig,
3124 mb, sig, sig->param_count + 16);
3131 #ifndef DISABLE_REMOTING
3134 mono_remoting_wrapper (MonoMethod *method, gpointer *params)
3136 MonoMethodMessage *msg;
3137 MonoTransparentProxy *this;
3138 MonoObject *res, *exc;
3139 MonoArray *out_args;
3141 this = *((MonoTransparentProxy **)params [0]);
3144 g_assert (((MonoObject *)this)->vtable->klass == mono_defaults.transparent_proxy_class);
3146 /* skip the this pointer */
3149 if (mono_class_is_contextbound (this->remote_class->proxy_class) && this->rp->context == (MonoObject *) mono_context_get ())
3152 MonoMethodSignature *sig = mono_method_signature (method);
3153 int count = sig->param_count;
3154 gpointer* mparams = (gpointer*) alloca(count*sizeof(gpointer));
3156 for (i=0; i<count; i++) {
3157 MonoClass *class = mono_class_from_mono_type (sig->params [i]);
3158 if (class->valuetype) {
3159 if (sig->params [i]->byref) {
3160 mparams[i] = *((gpointer *)params [i]);
3162 /* runtime_invoke expects a boxed instance */
3163 if (mono_class_is_nullable (mono_class_from_mono_type (sig->params [i])))
3164 mparams[i] = mono_nullable_box (params [i], class);
3166 mparams[i] = params [i];
3169 mparams[i] = *((gpointer**)params [i]);
3173 return mono_runtime_invoke (method, method->klass->valuetype? mono_object_unbox ((MonoObject*)this): this, mparams, NULL);
3176 msg = mono_method_call_message_new (method, params, NULL, NULL, NULL);
3178 res = mono_remoting_invoke ((MonoObject *)this->rp, msg, &exc, &out_args);
3181 mono_raise_exception ((MonoException *)exc);
3183 mono_method_return_message_restore (method, params, out_args);
3189 mono_marshal_get_remoting_invoke (MonoMethod *method)
3191 MonoMethodSignature *sig;
3192 MonoMethodBuilder *mb;
3198 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE || method->wrapper_type == MONO_WRAPPER_XDOMAIN_INVOKE)
3201 /* this seems to be the best plase to put this, as all remoting invokes seem to get filtered through here */
3203 if (mono_class_is_com_object (method->klass) || method->klass == mono_class_get_com_object_class ()) {
3204 MonoVTable *vtable = mono_class_vtable (mono_domain_get (), method->klass);
3205 g_assert (vtable); /*FIXME do proper error handling*/
3207 if (!mono_vtable_is_remote (vtable)) {
3208 return mono_cominterop_get_invoke (method);
3213 sig = mono_signature_no_pinvoke (method);
3215 /* we cant remote methods without this pointer */
3219 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_REMOTING_INVOKE)))
3222 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_REMOTING_INVOKE);
3225 mb->method->save_lmf = 1;
3227 params_var = mono_mb_emit_save_args (mb, sig, TRUE);
3229 mono_mb_emit_ptr (mb, method);
3230 mono_mb_emit_ldloc (mb, params_var);
3231 mono_mb_emit_icall (mb, mono_remoting_wrapper);
3232 emit_thread_interrupt_checkpoint (mb);
3234 if (sig->ret->type == MONO_TYPE_VOID) {
3235 mono_mb_emit_byte (mb, CEE_POP);
3236 mono_mb_emit_byte (mb, CEE_RET);
3238 mono_mb_emit_restore_result (mb, sig->ret);
3242 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16);
3248 #endif /* DISABLE_REMOTING */
3251 /* mono_get_xdomain_marshal_type()
3252 * Returns the kind of marshalling that a type needs for cross domain calls.
3254 static MonoXDomainMarshalType
3255 mono_get_xdomain_marshal_type (MonoType *t)
3258 case MONO_TYPE_VOID:
3259 g_assert_not_reached ();
3263 case MONO_TYPE_BOOLEAN:
3266 case MONO_TYPE_CHAR:
3273 return MONO_MARSHAL_NONE;
3274 case MONO_TYPE_STRING:
3275 return MONO_MARSHAL_COPY;
3276 case MONO_TYPE_ARRAY:
3277 case MONO_TYPE_SZARRAY: {
3278 MonoClass *elem_class = mono_class_from_mono_type (t)->element_class;
3279 if (mono_get_xdomain_marshal_type (&(elem_class->byval_arg)) != MONO_MARSHAL_SERIALIZE)
3280 return MONO_MARSHAL_COPY;
3285 return MONO_MARSHAL_SERIALIZE;
3289 /* mono_marshal_xdomain_copy_value
3290 * Makes a copy of "val" suitable for the current domain.
3293 mono_marshal_xdomain_copy_value (MonoObject *val)
3296 if (val == NULL) return NULL;
3298 domain = mono_domain_get ();
3300 switch (mono_object_class (val)->byval_arg.type) {
3301 case MONO_TYPE_VOID:
3302 g_assert_not_reached ();
3306 case MONO_TYPE_BOOLEAN:
3309 case MONO_TYPE_CHAR:
3315 case MONO_TYPE_R8: {
3316 return mono_value_box (domain, mono_object_class (val), ((char*)val) + sizeof(MonoObject));
3318 case MONO_TYPE_STRING: {
3319 MonoString *str = (MonoString *) val;
3320 return (MonoObject *) mono_string_new_utf16 (domain, mono_string_chars (str), mono_string_length (str));
3322 case MONO_TYPE_ARRAY:
3323 case MONO_TYPE_SZARRAY: {
3325 MonoXDomainMarshalType mt = mono_get_xdomain_marshal_type (&(mono_object_class (val)->element_class->byval_arg));
3326 if (mt == MONO_MARSHAL_SERIALIZE) return NULL;
3327 acopy = mono_array_clone_in_domain (domain, (MonoArray *) val);
3328 if (mt == MONO_MARSHAL_COPY) {
3329 int i, len = mono_array_length (acopy);
3330 for (i = 0; i < len; i++) {
3331 MonoObject *item = mono_array_get (acopy, gpointer, i);
3332 mono_array_setref (acopy, i, mono_marshal_xdomain_copy_value (item));
3335 return (MonoObject *) acopy;
3339 if (mono_object_class (val) == mono_defaults.stringbuilder_class) {
3340 MonoStringBuilder *oldsb = (MonoStringBuilder *) val;
3341 MonoStringBuilder *newsb = (MonoStringBuilder *) mono_object_new (domain, mono_defaults.stringbuilder_class);
3342 MONO_OBJECT_SETREF (newsb, str, mono_string_new_utf16 (domain, mono_string_chars (oldsb->str), mono_string_length (oldsb->str)));
3343 newsb->length = oldsb->length;
3344 newsb->max_capacity = (gint32)0x7fffffff;
3345 return (MonoObject *) newsb;
3350 /* mono_marshal_xdomain_copy_out_value()
3351 * Copies the contents of the src instance into the dst instance. src and dst
3352 * must have the same type, and if they are arrays, the same size.
3355 mono_marshal_xdomain_copy_out_value (MonoObject *src, MonoObject *dst)
3357 if (src == NULL || dst == NULL) return;
3359 g_assert (mono_object_class (src) == mono_object_class (dst));
3361 switch (mono_object_class (src)->byval_arg.type) {
3362 case MONO_TYPE_ARRAY:
3363 case MONO_TYPE_SZARRAY: {
3364 int mt = mono_get_xdomain_marshal_type (&(mono_object_class (src)->element_class->byval_arg));
3365 if (mt == MONO_MARSHAL_SERIALIZE) return;
3366 if (mt == MONO_MARSHAL_COPY) {
3367 int i, len = mono_array_length ((MonoArray *)dst);
3368 for (i = 0; i < len; i++) {
3369 MonoObject *item = mono_array_get ((MonoArray *)src, gpointer, i);
3370 mono_array_setref ((MonoArray *)dst, i, mono_marshal_xdomain_copy_value (item));
3373 mono_array_full_copy ((MonoArray *)src, (MonoArray *)dst);
3379 if (mono_object_class (src) == mono_defaults.stringbuilder_class) {
3380 MonoStringBuilder *src_sb = (MonoStringBuilder *) src;
3381 MonoStringBuilder *dst_sb = (MonoStringBuilder *) dst;
3383 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)));
3384 dst_sb->cached_str = NULL;
3385 dst_sb->length = src_sb->length;
3390 #if !(defined (DISABLE_JIT) || defined (DISABLE_REMOTING))
3393 mono_marshal_emit_xdomain_copy_value (MonoMethodBuilder *mb, MonoClass *pclass)
3395 mono_mb_emit_icall (mb, mono_marshal_xdomain_copy_value);
3396 mono_mb_emit_op (mb, CEE_CASTCLASS, pclass);
3400 mono_marshal_emit_xdomain_copy_out_value (MonoMethodBuilder *mb, MonoClass *pclass)
3402 mono_mb_emit_icall (mb, mono_marshal_xdomain_copy_out_value);
3406 #ifndef DISABLE_REMOTING
3407 /* mono_marshal_supports_fast_xdomain()
3408 * Returns TRUE if the method can use the fast xdomain wrapper.
3411 mono_marshal_supports_fast_xdomain (MonoMethod *method)
3413 return !mono_class_is_contextbound (method->klass) &&
3414 !((method->flags & METHOD_ATTRIBUTE_SPECIAL_NAME) && (strcmp (".ctor", method->name) == 0));
3419 mono_marshal_set_domain_by_id (gint32 id, MonoBoolean push)
3421 MonoDomain *current_domain = mono_domain_get ();
3422 MonoDomain *domain = mono_domain_get_by_id (id);
3424 if (!domain || !mono_domain_set (domain, FALSE))
3425 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
3428 mono_thread_push_appdomain_ref (domain);
3430 mono_thread_pop_appdomain_ref ();
3432 return current_domain->domain_id;
3435 #if !(defined (DISABLE_JIT) || defined (DISABLE_REMOTING))
3437 mono_marshal_emit_switch_domain (MonoMethodBuilder *mb)
3439 mono_mb_emit_icall (mb, mono_marshal_set_domain_by_id);
3442 /* mono_marshal_emit_load_domain_method ()
3443 * Loads into the stack a pointer to the code of the provided method for
3444 * the current domain.
3447 mono_marshal_emit_load_domain_method (MonoMethodBuilder *mb, MonoMethod *method)
3449 /* We need a pointer to the method for the running domain (not the domain
3450 * that compiles the method).
3452 mono_mb_emit_ptr (mb, method);
3453 mono_mb_emit_icall (mb, mono_compile_method);
3457 /* mono_marshal_check_domain_image ()
3458 * Returns TRUE if the image is loaded in the specified
3459 * application domain.
3462 mono_marshal_check_domain_image (gint32 domain_id, MonoImage *image)
3467 MonoDomain *domain = mono_domain_get_by_id (domain_id);
3471 mono_domain_assemblies_lock (domain);
3472 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
3474 if (ass->image == image)
3477 mono_domain_assemblies_unlock (domain);
3482 #ifndef DISABLE_REMOTING
3484 /* mono_marshal_get_xappdomain_dispatch ()
3485 * Generates a method that dispatches a method call from another domain into
3486 * the current domain.
3489 mono_marshal_get_xappdomain_dispatch (MonoMethod *method, int *marshal_types, int complex_count, int complex_out_count, int ret_marshal_type)
3491 MonoMethodSignature *sig, *csig;
3492 MonoMethodBuilder *mb;
3494 int i, j, param_index, copy_locals_base;
3495 MonoClass *ret_class = NULL;
3496 int loc_array=0, loc_return=0, loc_serialized_exc=0;
3497 MonoExceptionClause *main_clause;
3499 gboolean copy_return;
3501 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_XDOMAIN_DISPATCH)))
3504 sig = mono_method_signature (method);
3505 copy_return = (sig->ret->type != MONO_TYPE_VOID && ret_marshal_type != MONO_MARSHAL_SERIALIZE);
3508 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3 + sig->param_count - complex_count);
3509 csig->params [j++] = &mono_defaults.object_class->byval_arg;
3510 csig->params [j++] = &byte_array_class->this_arg;
3511 csig->params [j++] = &byte_array_class->this_arg;
3512 for (i = 0; i < sig->param_count; i++) {
3513 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE)
3514 csig->params [j++] = sig->params [i];
3517 csig->ret = sig->ret;
3519 csig->ret = &mono_defaults.void_class->byval_arg;
3521 csig->hasthis = FALSE;
3523 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_XDOMAIN_DISPATCH);
3524 mb->method->save_lmf = 1;
3529 loc_serialized_exc = mono_mb_add_local (mb, &byte_array_class->byval_arg);
3530 if (complex_count > 0)
3531 loc_array = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3532 if (sig->ret->type != MONO_TYPE_VOID) {
3533 loc_return = mono_mb_add_local (mb, sig->ret);
3534 ret_class = mono_class_from_mono_type (sig->ret);
3539 main_clause = mono_image_alloc0 (method->klass->image, sizeof (MonoExceptionClause));
3540 main_clause->try_offset = mono_mb_get_label (mb);
3542 /* Clean the call context */
3544 mono_mb_emit_byte (mb, CEE_LDNULL);
3545 mono_mb_emit_managed_call (mb, method_set_call_context, NULL);
3546 mono_mb_emit_byte (mb, CEE_POP);
3548 /* Deserialize call data */
3550 mono_mb_emit_ldarg (mb, 1);
3551 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3552 mono_mb_emit_byte (mb, CEE_DUP);
3553 pos = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
3555 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
3556 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
3558 if (complex_count > 0)
3559 mono_mb_emit_stloc (mb, loc_array);
3561 mono_mb_emit_byte (mb, CEE_POP);
3563 mono_mb_patch_short_branch (mb, pos);
3565 /* Get the target object */
3567 mono_mb_emit_ldarg (mb, 0);
3568 mono_mb_emit_managed_call (mb, method_rs_appdomain_target, NULL);
3570 /* Load the arguments */
3572 copy_locals_base = mb->locals;
3573 param_index = 3; // Index of the first non-serialized parameter of this wrapper
3575 for (i = 0; i < sig->param_count; i++) {
3576 MonoType *pt = sig->params [i];
3577 MonoClass *pclass = mono_class_from_mono_type (pt);
3578 switch (marshal_types [i]) {
3579 case MONO_MARSHAL_SERIALIZE: {
3580 /* take the value from the serialized array */
3581 mono_mb_emit_ldloc (mb, loc_array);
3582 mono_mb_emit_icon (mb, j++);
3584 if (pclass->valuetype) {
3585 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3586 mono_mb_emit_op (mb, CEE_UNBOX, pclass);
3588 mono_mb_emit_op (mb, CEE_LDELEMA, pclass);
3591 if (pclass->valuetype) {
3592 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3593 mono_mb_emit_op (mb, CEE_UNBOX, pclass);
3594 mono_mb_emit_op (mb, CEE_LDOBJ, pclass);
3596 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3597 if (pclass != mono_defaults.object_class) {
3598 mono_mb_emit_op (mb, CEE_CASTCLASS, pclass);
3604 case MONO_MARSHAL_COPY_OUT: {
3605 /* Keep a local copy of the value since we need to copy it back after the call */
3606 int copy_local = mono_mb_add_local (mb, &(pclass->byval_arg));
3607 mono_mb_emit_ldarg (mb, param_index++);
3608 mono_marshal_emit_xdomain_copy_value (mb, pclass);
3609 mono_mb_emit_byte (mb, CEE_DUP);
3610 mono_mb_emit_stloc (mb, copy_local);
3613 case MONO_MARSHAL_COPY: {
3614 mono_mb_emit_ldarg (mb, param_index);
3616 mono_mb_emit_byte (mb, CEE_DUP);
3617 mono_mb_emit_byte (mb, CEE_DUP);
3618 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3619 mono_marshal_emit_xdomain_copy_value (mb, pclass);
3620 mono_mb_emit_byte (mb, CEE_STIND_REF);
3622 mono_marshal_emit_xdomain_copy_value (mb, pclass);
3627 case MONO_MARSHAL_NONE:
3628 mono_mb_emit_ldarg (mb, param_index++);
3633 /* Make the call to the real object */
3635 emit_thread_force_interrupt_checkpoint (mb);
3637 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
3639 if (sig->ret->type != MONO_TYPE_VOID)
3640 mono_mb_emit_stloc (mb, loc_return);
3642 /* copy back MONO_MARSHAL_COPY_OUT parameters */
3646 for (i = 0; i < sig->param_count; i++) {
3647 if (marshal_types [i] == MONO_MARSHAL_SERIALIZE) continue;
3648 if (marshal_types [i] == MONO_MARSHAL_COPY_OUT) {
3649 mono_mb_emit_ldloc (mb, copy_locals_base + (j++));
3650 mono_mb_emit_ldarg (mb, param_index);
3651 mono_marshal_emit_xdomain_copy_out_value (mb, mono_class_from_mono_type (sig->params [i]));
3656 /* Serialize the return values */
3658 if (complex_out_count > 0) {
3659 /* Reset parameters in the array that don't need to be serialized back */
3661 for (i = 0; i < sig->param_count; i++) {
3662 if (marshal_types[i] != MONO_MARSHAL_SERIALIZE) continue;
3663 if (!sig->params [i]->byref) {
3664 mono_mb_emit_ldloc (mb, loc_array);
3665 mono_mb_emit_icon (mb, j);
3666 mono_mb_emit_byte (mb, CEE_LDNULL);
3667 mono_mb_emit_byte (mb, CEE_STELEM_REF);
3672 /* Add the return value to the array */
3674 if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
3675 mono_mb_emit_ldloc (mb, loc_array);
3676 mono_mb_emit_icon (mb, complex_count); /* The array has an additional slot to hold the ret value */
3677 mono_mb_emit_ldloc (mb, loc_return);
3679 g_assert (ret_class); /*FIXME properly fail here*/
3680 if (ret_class->valuetype) {
3681 mono_mb_emit_op (mb, CEE_BOX, ret_class);
3683 mono_mb_emit_byte (mb, CEE_STELEM_REF);
3688 mono_mb_emit_ldarg (mb, 1);
3689 mono_mb_emit_ldloc (mb, loc_array);
3690 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3691 mono_mb_emit_byte (mb, CEE_STIND_REF);
3692 } else if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
3693 mono_mb_emit_ldarg (mb, 1);
3694 mono_mb_emit_ldloc (mb, loc_return);
3695 if (ret_class->valuetype) {
3696 mono_mb_emit_op (mb, CEE_BOX, ret_class);
3698 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3699 mono_mb_emit_byte (mb, CEE_STIND_REF);
3701 mono_mb_emit_ldarg (mb, 1);
3702 mono_mb_emit_byte (mb, CEE_LDNULL);
3703 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3704 mono_mb_emit_byte (mb, CEE_STIND_REF);
3707 mono_mb_emit_ldarg (mb, 2);
3708 mono_mb_emit_byte (mb, CEE_LDNULL);
3709 mono_mb_emit_byte (mb, CEE_STIND_REF);
3710 pos_leave = mono_mb_emit_branch (mb, CEE_LEAVE);
3712 /* Main exception catch */
3713 main_clause->flags = MONO_EXCEPTION_CLAUSE_NONE;
3714 main_clause->try_len = mono_mb_get_pos (mb) - main_clause->try_offset;
3715 main_clause->data.catch_class = mono_defaults.object_class;
3718 main_clause->handler_offset = mono_mb_get_label (mb);
3719 mono_mb_emit_managed_call (mb, method_rs_serialize_exc, NULL);
3720 mono_mb_emit_stloc (mb, loc_serialized_exc);
3721 mono_mb_emit_ldarg (mb, 2);
3722 mono_mb_emit_ldloc (mb, loc_serialized_exc);
3723 mono_mb_emit_byte (mb, CEE_STIND_REF);
3724 mono_mb_emit_branch (mb, CEE_LEAVE);
3725 main_clause->handler_len = mono_mb_get_pos (mb) - main_clause->handler_offset;
3728 mono_mb_patch_branch (mb, pos_leave);
3731 mono_mb_emit_ldloc (mb, loc_return);
3733 mono_mb_emit_byte (mb, CEE_RET);
3735 mono_mb_set_clauses (mb, 1, main_clause);
3738 res = mono_remoting_mb_create_and_cache (method, mb, csig, csig->param_count + 16);
3744 /* mono_marshal_get_xappdomain_invoke ()
3745 * Generates a fast remoting wrapper for cross app domain calls.
3748 mono_marshal_get_xappdomain_invoke (MonoMethod *method)
3750 MonoMethodSignature *sig;
3751 MonoMethodBuilder *mb;
3753 int i, j, complex_count, complex_out_count, copy_locals_base;
3755 MonoClass *ret_class = NULL;
3756 MonoMethod *xdomain_method;
3757 int ret_marshal_type = MONO_MARSHAL_NONE;
3758 int loc_array=0, loc_serialized_data=-1, loc_real_proxy;
3759 int loc_old_domainid, loc_domainid, loc_return=0, loc_serialized_exc=0, loc_context;
3760 int pos, pos_dispatch, pos_noex;
3761 gboolean copy_return = FALSE;
3765 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE || method->wrapper_type == MONO_WRAPPER_XDOMAIN_INVOKE)
3768 /* we cant remote methods without this pointer */
3769 if (!mono_method_signature (method)->hasthis)
3772 if (!mono_marshal_supports_fast_xdomain (method))
3773 return mono_marshal_get_remoting_invoke (method);
3775 mono_remoting_marshal_init ();
3777 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_XDOMAIN_INVOKE)))
3780 sig = mono_signature_no_pinvoke (method);
3782 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_XDOMAIN_INVOKE);
3783 mb->method->save_lmf = 1;
3785 /* Count the number of parameters that need to be serialized */
3787 marshal_types = alloca (sizeof (int) * sig->param_count);
3788 complex_count = complex_out_count = 0;
3789 for (i = 0; i < sig->param_count; i++) {
3790 MonoType *ptype = sig->params[i];
3791 int mt = mono_get_xdomain_marshal_type (ptype);
3793 /* If the [Out] attribute is applied to a parameter that can be internally copied,
3794 * the copy will be made by reusing the original object instance
3796 if ((ptype->attrs & PARAM_ATTRIBUTE_OUT) != 0 && mt == MONO_MARSHAL_COPY && !ptype->byref)
3797 mt = MONO_MARSHAL_COPY_OUT;
3798 else if (mt == MONO_MARSHAL_SERIALIZE) {
3800 if (ptype->byref) complex_out_count++;
3802 marshal_types [i] = mt;
3805 if (sig->ret->type != MONO_TYPE_VOID) {
3806 ret_marshal_type = mono_get_xdomain_marshal_type (sig->ret);
3807 ret_class = mono_class_from_mono_type (sig->ret);
3808 copy_return = ret_marshal_type != MONO_MARSHAL_SERIALIZE;
3814 if (complex_count > 0)
3815 loc_array = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3816 loc_serialized_data = mono_mb_add_local (mb, &byte_array_class->byval_arg);
3817 loc_real_proxy = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3819 loc_return = mono_mb_add_local (mb, sig->ret);
3820 loc_old_domainid = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
3821 loc_domainid = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
3822 loc_serialized_exc = mono_mb_add_local (mb, &byte_array_class->byval_arg);
3823 loc_context = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3825 /* Save thread domain data */
3827 mono_mb_emit_icall (mb, mono_context_get);
3828 mono_mb_emit_byte (mb, CEE_DUP);
3829 mono_mb_emit_stloc (mb, loc_context);
3831 /* If the thread is not running in the default context, it needs to go
3832 * through the whole remoting sink, since the context is going to change
3834 mono_mb_emit_managed_call (mb, method_needs_context_sink, NULL);
3835 pos = mono_mb_emit_short_branch (mb, CEE_BRTRUE_S);
3837 /* Another case in which the fast path can't be used: when the target domain
3838 * has a different image for the same assembly.
3841 /* Get the target domain id */
3843 mono_mb_emit_ldarg (mb, 0);
3844 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
3845 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3846 mono_mb_emit_byte (mb, CEE_DUP);
3847 mono_mb_emit_stloc (mb, loc_real_proxy);
3849 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoRealProxy, target_domain_id));
3850 mono_mb_emit_byte (mb, CEE_LDIND_I4);
3851 mono_mb_emit_stloc (mb, loc_domainid);
3853 /* Check if the target domain has the same image for the required assembly */
3855 mono_mb_emit_ldloc (mb, loc_domainid);
3856 mono_mb_emit_ptr (mb, method->klass->image);
3857 mono_mb_emit_icall (mb, mono_marshal_check_domain_image);
3858 pos_dispatch = mono_mb_emit_short_branch (mb, CEE_BRTRUE_S);
3860 /* Use the whole remoting sink to dispatch this message */
3862 mono_mb_patch_short_branch (mb, pos);
3864 mono_mb_emit_ldarg (mb, 0);
3865 for (i = 0; i < sig->param_count; i++)
3866 mono_mb_emit_ldarg (mb, i + 1);
3868 mono_mb_emit_managed_call (mb, mono_marshal_get_remoting_invoke (method), NULL);
3869 mono_mb_emit_byte (mb, CEE_RET);
3870 mono_mb_patch_short_branch (mb, pos_dispatch);
3872 /* Create the array that will hold the parameters to be serialized */
3874 if (complex_count > 0) {
3875 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 */
3876 mono_mb_emit_op (mb, CEE_NEWARR, mono_defaults.object_class);
3879 for (i = 0; i < sig->param_count; i++) {
3881 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE) continue;
3882 pclass = mono_class_from_mono_type (sig->params[i]);
3883 mono_mb_emit_byte (mb, CEE_DUP);
3884 mono_mb_emit_icon (mb, j);
3885 mono_mb_emit_ldarg (mb, i + 1); /* 0=this */
3886 if (sig->params[i]->byref) {
3887 if (pclass->valuetype)
3888 mono_mb_emit_op (mb, CEE_LDOBJ, pclass);
3890 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3892 if (pclass->valuetype)
3893 mono_mb_emit_op (mb, CEE_BOX, pclass);
3894 mono_mb_emit_byte (mb, CEE_STELEM_REF);
3897 mono_mb_emit_stloc (mb, loc_array);
3899 /* Serialize parameters */
3901 mono_mb_emit_ldloc (mb, loc_array);
3902 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3903 mono_mb_emit_stloc (mb, loc_serialized_data);
3905 mono_mb_emit_byte (mb, CEE_LDNULL);
3906 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3907 mono_mb_emit_stloc (mb, loc_serialized_data);
3912 mono_mb_emit_ldloc (mb, loc_domainid);
3913 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
3914 mono_marshal_emit_switch_domain (mb);
3915 mono_mb_emit_stloc (mb, loc_old_domainid);
3917 /* Load the arguments */
3919 mono_mb_emit_ldloc (mb, loc_real_proxy);
3920 mono_mb_emit_ldloc_addr (mb, loc_serialized_data);
3921 mono_mb_emit_ldloc_addr (mb, loc_serialized_exc);
3923 copy_locals_base = mb->locals;
3924 for (i = 0; i < sig->param_count; i++) {
3925 switch (marshal_types [i]) {
3926 case MONO_MARSHAL_SERIALIZE:
3928 case MONO_MARSHAL_COPY: {
3929 mono_mb_emit_ldarg (mb, i+1);
3930 if (sig->params [i]->byref) {
3931 /* make a local copy of the byref parameter. The real parameter
3932 * will be updated after the xdomain call
3934 MonoClass *pclass = mono_class_from_mono_type (sig->params [i]);
3935 int copy_local = mono_mb_add_local (mb, &(pclass->byval_arg));
3936 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3937 mono_mb_emit_stloc (mb, copy_local);
3938 mono_mb_emit_ldloc_addr (mb, copy_local);
3942 case MONO_MARSHAL_COPY_OUT:
3943 case MONO_MARSHAL_NONE:
3944 mono_mb_emit_ldarg (mb, i+1);
3949 /* Make the call to the invoke wrapper in the target domain */
3951 xdomain_method = mono_marshal_get_xappdomain_dispatch (method, marshal_types, complex_count, complex_out_count, ret_marshal_type);
3952 mono_marshal_emit_load_domain_method (mb, xdomain_method);
3953 mono_mb_emit_calli (mb, mono_method_signature (xdomain_method));
3956 mono_mb_emit_stloc (mb, loc_return);
3960 mono_mb_emit_ldloc (mb, loc_old_domainid);
3961 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
3962 mono_marshal_emit_switch_domain (mb);
3963 mono_mb_emit_byte (mb, CEE_POP);
3965 /* Restore thread domain data */
3967 mono_mb_emit_ldloc (mb, loc_context);
3968 mono_mb_emit_icall (mb, mono_context_set);
3970 /* if (loc_serialized_exc != null) ... */
3972 mono_mb_emit_ldloc (mb, loc_serialized_exc);
3973 pos_noex = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
3975 mono_mb_emit_ldloc (mb, loc_serialized_exc);
3976 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
3977 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
3978 mono_mb_emit_op (mb, CEE_CASTCLASS, mono_defaults.exception_class);
3979 mono_mb_emit_managed_call (mb, method_exc_fixexc, NULL);
3980 mono_mb_emit_byte (mb, CEE_THROW);
3981 mono_mb_patch_short_branch (mb, pos_noex);
3983 /* copy back non-serialized output parameters */
3986 for (i = 0; i < sig->param_count; i++) {
3987 if (!sig->params [i]->byref || marshal_types [i] != MONO_MARSHAL_COPY) continue;
3988 mono_mb_emit_ldarg (mb, i + 1);
3989 mono_mb_emit_ldloc (mb, copy_locals_base + (j++));
3990 mono_marshal_emit_xdomain_copy_value (mb, mono_class_from_mono_type (sig->params [i]));
3991 mono_mb_emit_byte (mb, CEE_STIND_REF);
3994 /* Deserialize out parameters */
3996 if (complex_out_count > 0) {
3997 mono_mb_emit_ldloc (mb, loc_serialized_data);
3998 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
3999 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
4000 mono_mb_emit_stloc (mb, loc_array);
4002 /* Copy back output parameters and return type */
4005 for (i = 0; i < sig->param_count; i++) {
4006 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE) continue;
4007 if (sig->params[i]->byref) {
4008 MonoClass *pclass = mono_class_from_mono_type (sig->params [i]);
4009 mono_mb_emit_ldarg (mb, i + 1);
4010 mono_mb_emit_ldloc (mb, loc_array);
4011 mono_mb_emit_icon (mb, j);
4012 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
4013 if (pclass->valuetype) {
4014 mono_mb_emit_op (mb, CEE_UNBOX, pclass);
4015 mono_mb_emit_op (mb, CEE_LDOBJ, pclass);
4016 mono_mb_emit_op (mb, CEE_STOBJ, pclass);
4018 if (pclass != mono_defaults.object_class)
4019 mono_mb_emit_op (mb, CEE_CASTCLASS, pclass);
4020 mono_mb_emit_byte (mb, CEE_STIND_REF);
4026 if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
4027 mono_mb_emit_ldloc (mb, loc_array);
4028 mono_mb_emit_icon (mb, complex_count);
4029 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
4030 if (ret_class->valuetype) {
4031 mono_mb_emit_op (mb, CEE_UNBOX, ret_class);
4032 mono_mb_emit_op (mb, CEE_LDOBJ, ret_class);
4035 } else if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
4036 mono_mb_emit_ldloc (mb, loc_serialized_data);
4037 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
4038 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
4039 if (ret_class->valuetype) {
4040 mono_mb_emit_op (mb, CEE_UNBOX, ret_class);
4041 mono_mb_emit_op (mb, CEE_LDOBJ, ret_class);
4042 } else if (ret_class != mono_defaults.object_class) {
4043 mono_mb_emit_op (mb, CEE_CASTCLASS, ret_class);
4046 mono_mb_emit_ldloc (mb, loc_serialized_data);
4047 mono_mb_emit_byte (mb, CEE_DUP);
4048 pos = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
4049 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
4051 mono_mb_patch_short_branch (mb, pos);
4052 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
4053 mono_mb_emit_byte (mb, CEE_POP);
4057 mono_mb_emit_ldloc (mb, loc_return);
4058 if (ret_marshal_type == MONO_MARSHAL_COPY)
4059 mono_marshal_emit_xdomain_copy_value (mb, ret_class);
4062 mono_mb_emit_byte (mb, CEE_RET);
4063 #endif /* DISABLE_JIT */
4065 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16);
4072 mono_marshal_get_remoting_invoke_for_target (MonoMethod *method, MonoRemotingTarget target_type)
4074 if (target_type == MONO_REMOTING_TARGET_APPDOMAIN) {
4075 return mono_marshal_get_xappdomain_invoke (method);
4076 } else if (target_type == MONO_REMOTING_TARGET_COMINTEROP) {
4078 return mono_cominterop_get_invoke (method);
4080 g_assert_not_reached ();
4083 return mono_marshal_get_remoting_invoke (method);
4089 G_GNUC_UNUSED static gpointer
4090 mono_marshal_load_remoting_wrapper (MonoRealProxy *rp, MonoMethod *method)
4092 if (rp->target_domain_id != -1)
4093 return mono_compile_method (mono_marshal_get_xappdomain_invoke (method));
4095 return mono_compile_method (mono_marshal_get_remoting_invoke (method));
4099 mono_marshal_get_remoting_invoke_with_check (MonoMethod *method)
4101 MonoMethodSignature *sig;
4102 MonoMethodBuilder *mb;
4103 MonoMethod *res, *native;
4104 int i, pos, pos_rem;
4108 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK)
4111 /* we cant remote methods without this pointer */
4112 g_assert (mono_method_signature (method)->hasthis);
4114 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK)))
4117 sig = mono_signature_no_pinvoke (method);
4119 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK);
4122 for (i = 0; i <= sig->param_count; i++)
4123 mono_mb_emit_ldarg (mb, i);
4125 mono_mb_emit_ldarg (mb, 0);
4126 pos = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
4128 if (mono_marshal_supports_fast_xdomain (method)) {
4129 mono_mb_emit_ldarg (mb, 0);
4130 pos_rem = mono_mb_emit_xdomain_check (mb, CEE_BEQ);
4132 /* wrapper for cross app domain calls */
4133 native = mono_marshal_get_xappdomain_invoke (method);
4134 mono_mb_emit_managed_call (mb, native, mono_method_signature (native));
4135 mono_mb_emit_byte (mb, CEE_RET);
4137 mono_mb_patch_branch (mb, pos_rem);
4139 /* wrapper for normal remote calls */
4140 native = mono_marshal_get_remoting_invoke (method);
4141 mono_mb_emit_managed_call (mb, native, mono_method_signature (native));
4142 mono_mb_emit_byte (mb, CEE_RET);
4145 mono_mb_patch_branch (mb, pos);
4146 mono_mb_emit_managed_call (mb, method, mono_method_signature (method));
4147 mono_mb_emit_byte (mb, CEE_RET);
4150 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16);
4156 #endif /* DISABLE_REMOTING */
4160 MonoMethodSignature *sig;
4162 } SignatureMethodPair;
4165 signature_method_pair_hash (gconstpointer data)
4167 SignatureMethodPair *pair = (SignatureMethodPair*)data;
4169 return mono_signature_hash (pair->sig) ^ mono_aligned_addr_hash (pair->method);
4173 signature_method_pair_equal (SignatureMethodPair *pair1, SignatureMethodPair *pair2)
4175 return mono_metadata_signature_equal (pair1->sig, pair2->sig) && (pair1->method == pair2->method);
4179 signature_method_pair_matches_method (gpointer key, gpointer value, gpointer user_data)
4181 SignatureMethodPair *pair = (SignatureMethodPair*)key;
4182 MonoMethod *method = (MonoMethod*)user_data;
4184 return pair->method == method;
4188 free_signature_method_pair (SignatureMethodPair *pair)
4194 mono_marshal_get_delegate_invoke_internal (MonoMethod *method, gboolean callvirt, gboolean static_method_with_first_arg_bound, MonoMethod *target_method)
4196 MonoMethodSignature *sig, *static_sig, *invoke_sig;
4198 MonoMethodBuilder *mb;
4201 gpointer cache_key = NULL;
4202 SignatureMethodPair key;
4203 SignatureMethodPair *new_key;
4204 int local_prev, local_target;
4207 MonoClass *target_class = NULL;
4208 gboolean closed_over_null = FALSE;
4209 MonoGenericContext *ctx = NULL;
4210 MonoGenericContainer *container = NULL;
4211 MonoMethod *orig_method = NULL;
4213 WrapperSubtype subtype = WRAPPER_SUBTYPE_NONE;
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 * If the delegate target is null, and the target method is not static, a virtual
4223 * call is made to that method with the first delegate argument as this. This is
4224 * a non-documented .NET feature.
4227 subtype = WRAPPER_SUBTYPE_DELEGATE_INVOKE_VIRTUAL;
4228 if (target_method->is_inflated) {
4229 MonoType *target_type;
4231 g_assert (method->signature->hasthis);
4232 target_type = mono_class_inflate_generic_type (method->signature->params [0],
4233 mono_method_get_context (method));
4234 target_class = mono_class_from_mono_type (target_type);
4236 target_class = target_method->klass;
4239 closed_over_null = sig->param_count == mono_method_signature (target_method)->param_count;
4242 if (static_method_with_first_arg_bound) {
4243 subtype = WRAPPER_SUBTYPE_DELEGATE_INVOKE_BOUND;
4244 g_assert (!callvirt);
4245 invoke_sig = mono_method_signature (target_method);
4249 * For generic delegates, create a generic wrapper, and return an instance to help AOT.
4251 if (method->is_inflated && subtype == WRAPPER_SUBTYPE_NONE) {
4252 orig_method = method;
4253 ctx = &((MonoMethodInflated*)method)->context;
4254 method = ((MonoMethodInflated*)method)->declaring;
4256 container = mono_method_get_generic_container (method);
4258 container = method->klass->generic_container;
4259 g_assert (container);
4261 invoke_sig = sig = mono_signature_no_pinvoke (method);
4268 cache = get_cache (&method->klass->image->delegate_invoke_generic_cache, mono_aligned_addr_hash, NULL);
4269 res = check_generic_delegate_wrapper_cache (cache, orig_method, method, ctx);
4272 cache_key = method->klass;
4273 } else if (static_method_with_first_arg_bound) {
4274 cache = get_cache (&method->klass->image->delegate_bound_static_invoke_cache,
4275 (GHashFunc)mono_signature_hash,
4276 (GCompareFunc)mono_metadata_signature_equal);
4278 * The wrapper is based on sig+invoke_sig, but sig can be derived from invoke_sig.
4280 res = mono_marshal_find_in_cache (cache, invoke_sig);
4283 cache_key = invoke_sig;
4284 } else if (callvirt) {
4285 GHashTable **cache_ptr;
4287 cache_ptr = &method->klass->image->delegate_abstract_invoke_cache;
4289 /* We need to cache the signature+method pair */
4290 mono_marshal_lock ();
4292 *cache_ptr = g_hash_table_new_full (signature_method_pair_hash, (GEqualFunc)signature_method_pair_equal, (GDestroyNotify)free_signature_method_pair, NULL);
4294 key.sig = invoke_sig;
4295 key.method = target_method;
4296 res = g_hash_table_lookup (cache, &key);
4297 mono_marshal_unlock ();
4301 cache = get_cache (&method->klass->image->delegate_invoke_cache,
4302 (GHashFunc)mono_signature_hash,
4303 (GCompareFunc)mono_metadata_signature_equal);
4304 res = mono_marshal_find_in_cache (cache, sig);
4310 static_sig = signature_dup (method->klass->image, sig);
4311 static_sig->hasthis = 0;
4312 if (!static_method_with_first_arg_bound)
4313 invoke_sig = static_sig;
4315 if (static_method_with_first_arg_bound)
4316 name = mono_signature_to_name (invoke_sig, "invoke_bound");
4317 else if (closed_over_null)
4318 name = mono_signature_to_name (invoke_sig, "invoke_closed_over_null");
4320 name = mono_signature_to_name (invoke_sig, "invoke_callvirt");
4322 name = mono_signature_to_name (invoke_sig, "invoke");
4324 mb = mono_mb_new (method->klass, name, MONO_WRAPPER_DELEGATE_INVOKE);
4326 mb = mono_mb_new (get_wrapper_target_class (method->klass->image), name, MONO_WRAPPER_DELEGATE_INVOKE);
4330 /* allocate local 0 (object) */
4331 local_target = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4332 local_prev = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4334 g_assert (sig->hasthis);
4338 * prev.Invoke( args .. );
4339 * return this.<target>( args .. );
4342 /* this wrapper can be used in unmanaged-managed transitions */
4343 emit_thread_interrupt_checkpoint (mb);
4345 /* get this->prev */
4346 mono_mb_emit_ldarg (mb, 0);
4347 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoMulticastDelegate, prev));
4348 mono_mb_emit_byte (mb, CEE_LDIND_REF);
4349 mono_mb_emit_stloc (mb, local_prev);
4350 mono_mb_emit_ldloc (mb, local_prev);
4352 /* if prev != null */
4353 pos0 = mono_mb_emit_branch (mb, CEE_BRFALSE);
4357 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4358 mono_mb_emit_byte (mb, CEE_MONO_NOT_TAKEN);
4360 mono_mb_emit_ldloc (mb, local_prev);
4361 for (i = 0; i < sig->param_count; i++)
4362 mono_mb_emit_ldarg (mb, i + 1);
4364 mono_mb_emit_op (mb, CEE_CALLVIRT, mono_class_inflate_generic_method (method, &container->context));
4366 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
4367 if (sig->ret->type != MONO_TYPE_VOID)
4368 mono_mb_emit_byte (mb, CEE_POP);
4370 /* continued or prev == null */
4371 mono_mb_patch_branch (mb, pos0);
4373 /* get this->target */
4374 mono_mb_emit_ldarg (mb, 0);
4375 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, target));
4376 mono_mb_emit_byte (mb, CEE_LDIND_REF);
4377 mono_mb_emit_stloc (mb, local_target);
4379 /*static methods with bound first arg can have null target and still be bound*/
4380 if (!static_method_with_first_arg_bound) {
4381 /* if target != null */
4382 mono_mb_emit_ldloc (mb, local_target);
4383 pos0 = mono_mb_emit_branch (mb, CEE_BRFALSE);
4385 /* then call this->method_ptr nonstatic */
4388 mono_mb_emit_exception_full (mb, "System", "NotImplementedException", "");
4390 mono_mb_emit_ldloc (mb, local_target);
4391 for (i = 0; i < sig->param_count; ++i)
4392 mono_mb_emit_ldarg (mb, i + 1);
4393 mono_mb_emit_ldarg (mb, 0);
4394 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, method_ptr));
4395 mono_mb_emit_byte (mb, CEE_LDIND_I );
4396 mono_mb_emit_op (mb, CEE_CALLI, sig);
4398 mono_mb_emit_byte (mb, CEE_RET);
4401 /* else [target == null] call this->method_ptr static */
4402 mono_mb_patch_branch (mb, pos0);
4406 if (!closed_over_null) {
4407 mono_mb_emit_ldarg (mb, 1);
4408 mono_mb_emit_op (mb, CEE_CASTCLASS, target_class);
4409 for (i = 1; i < sig->param_count; ++i)
4410 mono_mb_emit_ldarg (mb, i + 1);
4411 mono_mb_emit_op (mb, CEE_CALLVIRT, target_method);
4413 mono_mb_emit_byte (mb, CEE_LDNULL);
4414 for (i = 0; i < sig->param_count; ++i)
4415 mono_mb_emit_ldarg (mb, i + 1);
4416 mono_mb_emit_op (mb, CEE_CALL, target_method);
4419 if (static_method_with_first_arg_bound) {
4420 mono_mb_emit_ldloc (mb, local_target);
4421 if (!MONO_TYPE_IS_REFERENCE (invoke_sig->params[0]))
4422 mono_mb_emit_op (mb, CEE_UNBOX_ANY, mono_class_from_mono_type (invoke_sig->params[0]));
4424 for (i = 0; i < sig->param_count; ++i)
4425 mono_mb_emit_ldarg (mb, i + 1);
4426 mono_mb_emit_ldarg (mb, 0);
4427 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, method_ptr));
4428 mono_mb_emit_byte (mb, CEE_LDIND_I );
4429 mono_mb_emit_op (mb, CEE_CALLI, invoke_sig);
4432 mono_mb_emit_byte (mb, CEE_RET);
4434 mb->skip_visibility = 1;
4435 #endif /* DISABLE_JIT */
4440 def = mono_mb_create_and_cache (cache, cache_key, mb, sig, sig->param_count + 16);
4441 res = cache_generic_delegate_wrapper (cache, orig_method, def, ctx);
4442 } else if (callvirt) {
4443 new_key = g_new0 (SignatureMethodPair, 1);
4446 res = mono_mb_create_and_cache_full (cache, new_key, mb, sig, sig->param_count + 16, &found);
4449 info = mono_wrapper_info_create (res, subtype);
4450 mono_marshal_set_wrapper_info (res, info);
4452 res = mono_mb_create_and_cache (cache, cache_key, mb, sig, sig->param_count + 16);
4454 info = mono_wrapper_info_create (res, subtype);
4455 mono_marshal_set_wrapper_info (res, info);
4463 * the returned method invokes all methods in a multicast delegate.
4466 mono_marshal_get_delegate_invoke (MonoMethod *method, MonoDelegate *del)
4468 gboolean callvirt = FALSE;
4469 gboolean static_method_with_first_arg_bound = FALSE;
4470 MonoMethod *target_method = NULL;
4471 MonoMethodSignature *sig;
4473 sig = mono_signature_no_pinvoke (method);
4475 if (del && !del->target && del->method && mono_method_signature (del->method)->hasthis) {
4477 target_method = del->method;
4480 if (del && del->method && mono_method_signature (del->method)->param_count == sig->param_count + 1 && (del->method->flags & METHOD_ATTRIBUTE_STATIC)) {
4481 static_method_with_first_arg_bound = TRUE;
4482 target_method = del->method;
4485 return mono_marshal_get_delegate_invoke_internal (method, callvirt, static_method_with_first_arg_bound, target_method);
4489 * signature_dup_add_this:
4491 * Make a copy of @sig, adding an explicit this argument.
4493 static MonoMethodSignature*
4494 signature_dup_add_this (MonoImage *image, MonoMethodSignature *sig, MonoClass *klass)
4496 MonoMethodSignature *res;
4499 res = mono_metadata_signature_alloc (image, sig->param_count + 1);
4500 memcpy (res, sig, MONO_SIZEOF_METHOD_SIGNATURE);
4501 res->param_count = sig->param_count + 1;
4502 res->hasthis = FALSE;
4503 for (i = sig->param_count - 1; i >= 0; i --)
4504 res->params [i + 1] = sig->params [i];
4505 res->params [0] = klass->valuetype ? &klass->this_arg : &klass->byval_arg;
4511 MonoMethodSignature *ctor_sig;
4512 MonoMethodSignature *sig;
4515 /* protected by the marshal lock, contains CtorSigPair pointers */
4516 static GSList *strsig_list = NULL;
4518 static MonoMethodSignature *
4519 lookup_string_ctor_signature (MonoMethodSignature *sig)
4521 MonoMethodSignature *callsig;
4525 mono_marshal_lock ();
4527 for (item = strsig_list; item; item = item->next) {
4529 /* mono_metadata_signature_equal () is safe to call with the marshal lock
4530 * because it is lock-free.
4532 if (mono_metadata_signature_equal (sig, cs->ctor_sig)) {
4537 mono_marshal_unlock ();
4541 static MonoMethodSignature *
4542 add_string_ctor_signature (MonoMethod *method)
4544 MonoMethodSignature *callsig;
4547 callsig = signature_dup (method->klass->image, mono_method_signature (method));
4548 callsig->ret = &mono_defaults.string_class->byval_arg;
4549 cs = g_new (CtorSigPair, 1);
4551 cs->ctor_sig = mono_method_signature (method);
4553 mono_marshal_lock ();
4554 strsig_list = g_slist_prepend (strsig_list, cs);
4555 mono_marshal_unlock ();
4560 * mono_marshal_get_string_ctor_signature:
4562 * Return the modified signature used by string ctors (they return the newly created
4565 MonoMethodSignature*
4566 mono_marshal_get_string_ctor_signature (MonoMethod *method)
4568 MonoMethodSignature *sig = lookup_string_ctor_signature (mono_method_signature (method));
4570 sig = add_string_ctor_signature (method);
4576 get_runtime_invoke_type (MonoType *t, gboolean ret)
4579 if (t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t)))
4581 /* Can't share this with 'I' as that needs another indirection */
4582 return &mono_defaults.int_class->this_arg;
4585 if (MONO_TYPE_IS_REFERENCE (t))
4586 return &mono_defaults.object_class->byval_arg;
4589 /* The result needs to be boxed */
4594 /* Can't share these as the argument needs to be loaded using sign/zero extension */
4597 return &mono_defaults.sbyte_class->byval_arg;
4599 return &mono_defaults.int16_class->byval_arg;
4601 return &mono_defaults.int32_class->byval_arg;
4604 return &mono_defaults.int64_class->byval_arg;
4605 case MONO_TYPE_BOOLEAN:
4606 return &mono_defaults.byte_class->byval_arg;
4607 case MONO_TYPE_CHAR:
4608 return &mono_defaults.uint16_class->byval_arg;
4611 return &mono_defaults.int_class->byval_arg;
4612 case MONO_TYPE_VALUETYPE:
4613 if (t->data.klass->enumtype) {
4614 t = mono_class_enum_basetype (t->data.klass);
4624 * mono_marshal_get_runtime_invoke_sig:
4626 * Return a common signature used for sharing runtime invoke wrappers.
4628 static MonoMethodSignature*
4629 mono_marshal_get_runtime_invoke_sig (MonoMethodSignature *sig)
4631 MonoMethodSignature *res = mono_metadata_signature_dup (sig);
4634 res->ret = get_runtime_invoke_type (sig->ret, TRUE);
4635 for (i = 0; i < res->param_count; ++i)
4636 res->params [i] = get_runtime_invoke_type (sig->params [i], FALSE);
4642 runtime_invoke_signature_equal (MonoMethodSignature *sig1, MonoMethodSignature *sig2)
4644 /* Can't share wrappers which return a vtype since it needs to be boxed */
4645 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))
4648 return mono_metadata_signature_equal (sig1, sig2);
4656 * Emit the call to the wrapper method from a runtime invoke wrapper.
4659 emit_invoke_call (MonoMethodBuilder *mb, MonoMethod *method,
4660 MonoMethodSignature *sig, MonoMethodSignature *callsig,
4662 gboolean virtual, gboolean need_direct_wrapper)
4664 static MonoString *string_dummy = NULL;
4666 int *tmp_nullable_locals;
4667 gboolean void_ret = FALSE;
4669 /* to make it work with our special string constructors */
4670 if (!string_dummy) {
4671 MONO_GC_REGISTER_ROOT_SINGLE (string_dummy);
4672 string_dummy = mono_string_new_wrapper ("dummy");
4676 g_assert (sig->hasthis);
4677 g_assert (method->flags & METHOD_ATTRIBUTE_VIRTUAL);
4681 if (method->string_ctor) {
4682 if (mono_gc_is_moving ()) {
4683 mono_mb_emit_ptr (mb, &string_dummy);
4684 mono_mb_emit_byte (mb, CEE_LDIND_REF);
4686 mono_mb_emit_ptr (mb, string_dummy);
4689 mono_mb_emit_ldarg (mb, 0);
4693 tmp_nullable_locals = g_new0 (int, sig->param_count);
4695 for (i = 0; i < sig->param_count; i++) {
4696 MonoType *t = sig->params [i];
4699 mono_mb_emit_ldarg (mb, 1);
4701 mono_mb_emit_icon (mb, sizeof (gpointer) * i);
4702 mono_mb_emit_byte (mb, CEE_ADD);
4706 mono_mb_emit_byte (mb, CEE_LDIND_I);
4707 /* A Nullable<T> type don't have a boxed form, it's either null or a boxed T.
4708 * So to make this work we unbox it to a local variablee and push a reference to that.
4710 if (t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t))) {
4711 tmp_nullable_locals [i] = mono_mb_add_local (mb, &mono_class_from_mono_type (t)->byval_arg);
4713 mono_mb_emit_op (mb, CEE_UNBOX_ANY, mono_class_from_mono_type (t));
4714 mono_mb_emit_stloc (mb, tmp_nullable_locals [i]);
4715 mono_mb_emit_ldloc_addr (mb, tmp_nullable_locals [i]);
4720 /*FIXME 'this doesn't handle generic enums. Shouldn't we?*/
4721 type = sig->params [i]->type;
4725 case MONO_TYPE_BOOLEAN:
4729 case MONO_TYPE_CHAR:
4738 mono_mb_emit_byte (mb, CEE_LDIND_I);
4739 mono_mb_emit_byte (mb, mono_type_to_ldind (sig->params [i]));
4741 case MONO_TYPE_STRING:
4742 case MONO_TYPE_CLASS:
4743 case MONO_TYPE_ARRAY:
4745 case MONO_TYPE_SZARRAY:
4746 case MONO_TYPE_OBJECT:
4747 mono_mb_emit_byte (mb, mono_type_to_ldind (sig->params [i]));
4749 case MONO_TYPE_GENERICINST:
4750 if (!mono_type_generic_inst_is_valuetype (sig->params [i])) {
4751 mono_mb_emit_byte (mb, mono_type_to_ldind (sig->params [i]));
4756 case MONO_TYPE_VALUETYPE:
4757 if (type == MONO_TYPE_VALUETYPE && t->data.klass->enumtype) {
4758 type = mono_class_enum_basetype (t->data.klass)->type;
4761 mono_mb_emit_byte (mb, CEE_LDIND_I);
4762 if (mono_class_is_nullable (mono_class_from_mono_type (sig->params [i]))) {
4763 /* Need to convert a boxed vtype to an mp to a Nullable struct */
4764 mono_mb_emit_op (mb, CEE_UNBOX, mono_class_from_mono_type (sig->params [i]));
4765 mono_mb_emit_op (mb, CEE_LDOBJ, mono_class_from_mono_type (sig->params [i]));
4767 mono_mb_emit_op (mb, CEE_LDOBJ, mono_class_from_mono_type (sig->params [i]));
4771 g_assert_not_reached ();
4776 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
4777 } else if (need_direct_wrapper) {
4778 mono_mb_emit_op (mb, CEE_CALL, method);
4780 mono_mb_emit_ldarg (mb, 3);
4781 mono_mb_emit_calli (mb, callsig);
4784 if (sig->ret->byref) {
4786 g_assert_not_reached ();
4789 switch (sig->ret->type) {
4790 case MONO_TYPE_VOID:
4791 if (!method->string_ctor)
4794 case MONO_TYPE_BOOLEAN:
4795 case MONO_TYPE_CHAR:
4808 case MONO_TYPE_VALUETYPE:
4809 case MONO_TYPE_TYPEDBYREF:
4810 case MONO_TYPE_GENERICINST:
4811 /* box value types */
4812 mono_mb_emit_op (mb, CEE_BOX, mono_class_from_mono_type (sig->ret));
4814 case MONO_TYPE_STRING:
4815 case MONO_TYPE_CLASS:
4816 case MONO_TYPE_ARRAY:
4817 case MONO_TYPE_SZARRAY:
4818 case MONO_TYPE_OBJECT:
4822 /* The result is an IntPtr */
4823 mono_mb_emit_op (mb, CEE_BOX, mono_defaults.int_class);
4826 g_assert_not_reached ();
4830 mono_mb_emit_stloc (mb, loc_res);
4832 /* Convert back nullable-byref arguments */
4833 for (i = 0; i < sig->param_count; i++) {
4834 MonoType *t = sig->params [i];
4837 * Box the result and put it back into the array, the caller will have
4838 * to obtain it from there.
4840 if (t->byref && t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t))) {
4841 mono_mb_emit_ldarg (mb, 1);
4842 mono_mb_emit_icon (mb, sizeof (gpointer) * i);
4843 mono_mb_emit_byte (mb, CEE_ADD);
4845 mono_mb_emit_ldloc (mb, tmp_nullable_locals [i]);
4846 mono_mb_emit_op (mb, CEE_BOX, mono_class_from_mono_type (t));
4848 mono_mb_emit_byte (mb, CEE_STIND_REF);
4852 g_free (tmp_nullable_locals);
4856 emit_runtime_invoke_body (MonoMethodBuilder *mb, MonoClass *target_klass, MonoMethod *method,
4857 MonoMethodSignature *sig, MonoMethodSignature *callsig,
4858 gboolean virtual, gboolean need_direct_wrapper)
4861 MonoExceptionClause *clause;
4862 int loc_res, loc_exc;
4864 /* The wrapper looks like this:
4870 * } catch (Exception e) {
4878 /* allocate local 0 (object) tmp */
4879 loc_res = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4880 /* allocate local 1 (object) exc */
4881 loc_exc = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4883 /* *exc is assumed to be initialized to NULL by the caller */
4885 mono_mb_emit_byte (mb, CEE_LDARG_2);
4886 labels [0] = mono_mb_emit_branch (mb, CEE_BRFALSE);
4891 labels [1] = mono_mb_get_label (mb);
4892 emit_thread_force_interrupt_checkpoint (mb);
4893 emit_invoke_call (mb, method, sig, callsig, loc_res, virtual, need_direct_wrapper);
4895 labels [2] = mono_mb_emit_branch (mb, CEE_LEAVE);
4897 /* Add a try clause around the call */
4898 clause = mono_image_alloc0 (target_klass->image, sizeof (MonoExceptionClause));
4899 clause->flags = MONO_EXCEPTION_CLAUSE_NONE;
4900 clause->data.catch_class = mono_defaults.exception_class;
4901 clause->try_offset = labels [1];
4902 clause->try_len = mono_mb_get_label (mb) - labels [1];
4904 clause->handler_offset = mono_mb_get_label (mb);
4907 mono_mb_emit_stloc (mb, loc_exc);
4908 mono_mb_emit_byte (mb, CEE_LDARG_2);
4909 mono_mb_emit_ldloc (mb, loc_exc);
4910 mono_mb_emit_byte (mb, CEE_STIND_REF);
4912 mono_mb_emit_branch (mb, CEE_LEAVE);
4914 clause->handler_len = mono_mb_get_pos (mb) - clause->handler_offset;
4916 mono_mb_set_clauses (mb, 1, clause);
4918 mono_mb_patch_branch (mb, labels [2]);
4919 mono_mb_emit_ldloc (mb, loc_res);
4920 mono_mb_emit_byte (mb, CEE_RET);
4925 mono_mb_patch_branch (mb, labels [0]);
4926 emit_thread_force_interrupt_checkpoint (mb);
4927 emit_invoke_call (mb, method, sig, callsig, loc_res, virtual, need_direct_wrapper);
4929 mono_mb_emit_ldloc (mb, 0);
4930 mono_mb_emit_byte (mb, CEE_RET);
4935 * generates IL code for the runtime invoke function
4936 * MonoObject *runtime_invoke (MonoObject *this, void **params, MonoObject **exc, void* method)
4938 * we also catch exceptions if exc != null
4939 * If VIRTUAL is TRUE, then METHOD is invoked virtually on THIS. This is useful since
4940 * it means that the compiled code for METHOD does not have to be looked up
4941 * before calling the runtime invoke wrapper. In this case, the wrapper ignores
4942 * its METHOD argument.
4945 mono_marshal_get_runtime_invoke (MonoMethod *method, gboolean virtual)
4947 MonoMethodSignature *sig, *csig, *callsig;
4948 MonoMethodBuilder *mb;
4949 GHashTable *cache = NULL;
4950 MonoClass *target_klass;
4951 MonoMethod *res = NULL;
4952 static MonoMethodSignature *cctor_signature = NULL;
4953 static MonoMethodSignature *finalize_signature = NULL;
4955 const char *param_names [16];
4956 gboolean need_direct_wrapper = FALSE;
4961 if (!cctor_signature) {
4962 cctor_signature = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
4963 cctor_signature->ret = &mono_defaults.void_class->byval_arg;
4965 if (!finalize_signature) {
4966 finalize_signature = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
4967 finalize_signature->ret = &mono_defaults.void_class->byval_arg;
4968 finalize_signature->hasthis = 1;
4972 need_direct_wrapper = TRUE;
4975 * Use a separate cache indexed by methods to speed things up and to avoid the
4976 * boundless mempool growth caused by the signature_dup stuff below.
4979 cache = get_cache (&method->klass->image->runtime_invoke_vcall_cache, mono_aligned_addr_hash, NULL);
4981 cache = get_cache (&method->klass->image->runtime_invoke_direct_cache, mono_aligned_addr_hash, NULL);
4982 res = mono_marshal_find_in_cache (cache, method);
4986 if (method->klass->rank && (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
4987 (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)) {
4989 * Array Get/Set/Address methods. The JIT implements them using inline code
4990 * so we need to create an invoke wrapper which calls the method directly.
4992 need_direct_wrapper = TRUE;
4995 if (method->string_ctor) {
4996 callsig = lookup_string_ctor_signature (mono_method_signature (method));
4998 callsig = add_string_ctor_signature (method);
4999 /* Can't share this as we push a string as this */
5000 need_direct_wrapper = TRUE;
5002 if (method->dynamic)
5003 callsig = signature_dup (method->klass->image, mono_method_signature (method));
5005 callsig = mono_method_signature (method);
5008 target_klass = get_wrapper_target_class (method->klass->image);
5010 /* Try to share wrappers for non-corlib methods with simple signatures */
5011 if (mono_metadata_signature_equal (callsig, cctor_signature)) {
5012 callsig = cctor_signature;
5013 target_klass = mono_defaults.object_class;
5014 } else if (mono_metadata_signature_equal (callsig, finalize_signature)) {
5015 callsig = finalize_signature;
5016 target_klass = mono_defaults.object_class;
5019 if (need_direct_wrapper) {
5020 /* Already searched at the start */
5022 MonoMethodSignature *tmp_sig;
5024 callsig = mono_marshal_get_runtime_invoke_sig (callsig);
5026 if (method->klass->valuetype && mono_method_signature (method)->hasthis)
5027 /* These have a different csig */
5028 cache = get_cache (&target_klass->image->runtime_invoke_vtype_cache,
5029 (GHashFunc)mono_signature_hash,
5030 (GCompareFunc)runtime_invoke_signature_equal);
5032 cache = get_cache (&target_klass->image->runtime_invoke_cache,
5033 (GHashFunc)mono_signature_hash,
5034 (GCompareFunc)runtime_invoke_signature_equal);
5036 /* from mono_marshal_find_in_cache */
5037 mono_marshal_lock ();
5038 res = g_hash_table_lookup (cache, callsig);
5039 mono_marshal_unlock ();
5046 /* Make a copy of the signature from the image mempool */
5048 callsig = mono_metadata_signature_dup_full (target_klass->image, callsig);
5052 sig = mono_method_signature (method);
5054 csig = mono_metadata_signature_alloc (target_klass->image, 4);
5056 csig->ret = &mono_defaults.object_class->byval_arg;
5057 if (method->klass->valuetype && mono_method_signature (method)->hasthis)
5058 csig->params [0] = get_runtime_invoke_type (&method->klass->this_arg, FALSE);
5060 csig->params [0] = &mono_defaults.object_class->byval_arg;
5061 csig->params [1] = &mono_defaults.int_class->byval_arg;
5062 csig->params [2] = &mono_defaults.int_class->byval_arg;
5063 csig->params [3] = &mono_defaults.int_class->byval_arg;
5066 /* This is called from runtime code so it has to be cdecl */
5067 csig->call_convention = MONO_CALL_C;
5070 name = mono_signature_to_name (callsig, virtual ? "runtime_invoke_virtual" : "runtime_invoke");
5071 mb = mono_mb_new (target_klass, name, MONO_WRAPPER_RUNTIME_INVOKE);
5075 param_names [0] = "this";
5076 param_names [1] = "params";
5077 param_names [2] = "exc";
5078 param_names [3] = "method";
5079 mono_mb_set_param_names (mb, param_names);
5081 emit_runtime_invoke_body (mb, target_klass, method, sig, callsig, virtual, need_direct_wrapper);
5084 if (need_direct_wrapper) {
5086 mb->skip_visibility = 1;
5088 res = mono_mb_create_and_cache (cache, method, mb, csig, sig->param_count + 16);
5089 info = mono_wrapper_info_create (res, virtual ? WRAPPER_SUBTYPE_RUNTIME_INVOKE_VIRTUAL : WRAPPER_SUBTYPE_RUNTIME_INVOKE_DIRECT);
5090 info->d.runtime_invoke.method = method;
5091 mono_marshal_set_wrapper_info (res, info);
5093 /* taken from mono_mb_create_and_cache */
5094 mono_marshal_lock ();
5095 res = g_hash_table_lookup (cache, callsig);
5096 mono_marshal_unlock ();
5098 /* Somebody may have created it before us */
5101 newm = mono_mb_create_method (mb, csig, sig->param_count + 16);
5103 mono_marshal_lock ();
5104 res = g_hash_table_lookup (cache, callsig);
5107 g_hash_table_insert (cache, callsig, res);
5108 /* Can't insert it into wrapper_hash since the key is a signature */
5109 g_hash_table_insert (method->klass->image->runtime_invoke_direct_cache, method, res);
5110 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_RUNTIME_INVOKE_NORMAL);
5111 info->d.runtime_invoke.sig = callsig;
5112 mono_marshal_set_wrapper_info (res, info);
5114 mono_free_method (newm);
5116 mono_marshal_unlock ();
5119 /* end mono_mb_create_and_cache */
5128 * mono_marshal_get_runtime_invoke_dynamic:
5130 * Return a method which can be used to invoke managed methods from native code
5132 * The signature of the returned method is given by RuntimeInvokeDynamicFunction:
5133 * void runtime_invoke (void *args, MonoObject **exc, void *compiled_method)
5134 * ARGS should point to an architecture specific structure containing
5135 * the arguments and space for the return value.
5136 * The other arguments are the same as for runtime_invoke (), except that
5137 * ARGS should contain the this argument too.
5138 * This wrapper serves the same purpose as the runtime-invoke wrappers, but there
5139 * is only one copy of it, which is useful in full-aot.
5140 * The wrapper info for the wrapper is a WrapperInfo structure.
5143 mono_marshal_get_runtime_invoke_dynamic (void)
5145 static MonoMethod *method;
5146 MonoMethodSignature *csig;
5147 MonoExceptionClause *clause;
5148 MonoMethodBuilder *mb;
5156 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
5158 csig->ret = &mono_defaults.void_class->byval_arg;
5159 csig->params [0] = &mono_defaults.int_class->byval_arg;
5160 csig->params [1] = &mono_defaults.int_class->byval_arg;
5161 csig->params [2] = &mono_defaults.int_class->byval_arg;
5162 csig->params [3] = &mono_defaults.int_class->byval_arg;
5164 name = g_strdup ("runtime_invoke_dynamic");
5165 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_RUNTIME_INVOKE);
5169 /* allocate local 0 (object) tmp */
5170 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
5171 /* allocate local 1 (object) exc */
5172 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
5174 /* cond set *exc to null */
5175 mono_mb_emit_byte (mb, CEE_LDARG_1);
5176 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
5177 mono_mb_emit_byte (mb, 3);
5178 mono_mb_emit_byte (mb, CEE_LDARG_1);
5179 mono_mb_emit_byte (mb, CEE_LDNULL);
5180 mono_mb_emit_byte (mb, CEE_STIND_REF);
5182 emit_thread_force_interrupt_checkpoint (mb);
5184 mono_mb_emit_byte (mb, CEE_LDARG_0);
5185 mono_mb_emit_byte (mb, CEE_LDARG_2);
5186 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5187 mono_mb_emit_byte (mb, CEE_MONO_DYN_CALL);
5189 pos = mono_mb_emit_branch (mb, CEE_LEAVE);
5191 clause = mono_image_alloc0 (mono_defaults.corlib, sizeof (MonoExceptionClause));
5192 clause->flags = MONO_EXCEPTION_CLAUSE_FILTER;
5193 clause->try_len = mono_mb_get_label (mb);
5196 clause->data.filter_offset = mono_mb_get_label (mb);
5198 mono_mb_emit_byte (mb, CEE_POP);
5199 mono_mb_emit_byte (mb, CEE_LDARG_1);
5200 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
5201 mono_mb_emit_byte (mb, CEE_PREFIX1);
5202 mono_mb_emit_byte (mb, CEE_CGT_UN);
5203 mono_mb_emit_byte (mb, CEE_PREFIX1);
5204 mono_mb_emit_byte (mb, CEE_ENDFILTER);
5206 clause->handler_offset = mono_mb_get_label (mb);
5209 /* store exception */
5210 mono_mb_emit_stloc (mb, 1);
5212 mono_mb_emit_byte (mb, CEE_LDARG_1);
5213 mono_mb_emit_ldloc (mb, 1);
5214 mono_mb_emit_byte (mb, CEE_STIND_REF);
5216 mono_mb_emit_byte (mb, CEE_LDNULL);
5217 mono_mb_emit_stloc (mb, 0);
5219 /* Check for the abort exception */
5220 mono_mb_emit_ldloc (mb, 1);
5221 mono_mb_emit_op (mb, CEE_ISINST, mono_defaults.threadabortexception_class);
5222 posna = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
5224 /* Delay the abort exception */
5225 mono_mb_emit_icall (mb, ves_icall_System_Threading_Thread_ResetAbort);
5227 mono_mb_patch_short_branch (mb, posna);
5228 mono_mb_emit_branch (mb, CEE_LEAVE);
5230 clause->handler_len = mono_mb_get_pos (mb) - clause->handler_offset;
5232 mono_mb_set_clauses (mb, 1, clause);
5235 mono_mb_patch_branch (mb, pos);
5236 //mono_mb_emit_ldloc (mb, 0);
5237 mono_mb_emit_byte (mb, CEE_RET);
5238 #endif /* DISABLE_JIT */
5240 mono_marshal_lock ();
5241 /* double-checked locking */
5243 method = mono_mb_create_method (mb, csig, 16);
5244 info = mono_wrapper_info_create (method, WRAPPER_SUBTYPE_RUNTIME_INVOKE_DYNAMIC);
5245 mono_marshal_set_wrapper_info (method, info);
5247 mono_marshal_unlock ();
5256 mono_mb_emit_auto_layout_exception (MonoMethodBuilder *mb, MonoClass *klass)
5258 char *msg = g_strdup_printf ("The type `%s.%s' layout needs to be Sequential or Explicit",
5259 klass->name_space, klass->name);
5261 mono_mb_emit_exception_marshal_directive (mb, msg);
5265 #ifndef DISABLE_REMOTING
5267 * mono_marshal_get_ldfld_remote_wrapper:
5268 * @klass: The return type
5270 * This method generates a wrapper for calling mono_load_remote_field_new.
5271 * The return type is ignored for now, as mono_load_remote_field_new () always
5272 * returns an object. In the future, to optimize some codepaths, we might
5273 * call a different function that takes a pointer to a valuetype, instead.
5276 mono_marshal_get_ldfld_remote_wrapper (MonoClass *klass)
5278 MonoMethodSignature *sig, *csig;
5279 MonoMethodBuilder *mb;
5281 static MonoMethod* cached = NULL;
5283 mono_marshal_lock ();
5285 mono_marshal_unlock ();
5288 mono_marshal_unlock ();
5290 mb = mono_mb_new_no_dup_name (mono_defaults.object_class, "__mono_load_remote_field_new_wrapper", MONO_WRAPPER_LDFLD_REMOTE);
5292 mb->method->save_lmf = 1;
5294 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
5295 sig->params [0] = &mono_defaults.object_class->byval_arg;
5296 sig->params [1] = &mono_defaults.int_class->byval_arg;
5297 sig->params [2] = &mono_defaults.int_class->byval_arg;
5298 sig->ret = &mono_defaults.object_class->byval_arg;
5301 mono_mb_emit_ldarg (mb, 0);
5302 mono_mb_emit_ldarg (mb, 1);
5303 mono_mb_emit_ldarg (mb, 2);
5305 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
5306 csig->params [0] = &mono_defaults.object_class->byval_arg;
5307 csig->params [1] = &mono_defaults.int_class->byval_arg;
5308 csig->params [2] = &mono_defaults.int_class->byval_arg;
5309 csig->ret = &mono_defaults.object_class->byval_arg;
5312 mono_mb_emit_native_call (mb, csig, mono_load_remote_field_new);
5313 emit_thread_interrupt_checkpoint (mb);
5315 mono_mb_emit_byte (mb, CEE_RET);
5318 mono_marshal_lock ();
5320 mono_marshal_unlock ();
5323 newm = mono_mb_create_method (mb, sig, 4);
5324 mono_marshal_lock ();
5329 mono_marshal_unlock ();
5331 mono_marshal_unlock ();
5332 mono_free_method (newm);
5341 * mono_marshal_get_ldfld_wrapper:
5342 * @type: the type of the field
5344 * This method generates a function which can be use to load a field with type
5345 * @type from an object. The generated function has the following signature:
5346 * <@type> ldfld_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset)
5349 mono_marshal_get_ldfld_wrapper (MonoType *type)
5351 MonoMethodSignature *sig;
5352 MonoMethodBuilder *mb;
5357 int t, pos0, pos1 = 0;
5359 type = mono_type_get_underlying_type (type);
5364 if (type->type == MONO_TYPE_SZARRAY) {
5365 klass = mono_defaults.array_class;
5366 } else if (type->type == MONO_TYPE_VALUETYPE) {
5367 klass = type->data.klass;
5368 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING) {
5369 klass = mono_defaults.object_class;
5370 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
5371 klass = mono_defaults.int_class;
5372 } else if (t == MONO_TYPE_GENERICINST) {
5373 if (mono_type_generic_inst_is_valuetype (type))
5374 klass = mono_class_from_mono_type (type);
5376 klass = mono_defaults.object_class;
5378 klass = mono_class_from_mono_type (type);
5381 klass = mono_defaults.int_class;
5384 cache = get_cache (&klass->image->ldfld_wrapper_cache, mono_aligned_addr_hash, NULL);
5385 if ((res = mono_marshal_find_in_cache (cache, klass)))
5388 /* we add the %p pointer value of klass because class names are not unique */
5389 name = g_strdup_printf ("__ldfld_wrapper_%p_%s.%s", klass, klass->name_space, klass->name);
5390 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_LDFLD);
5393 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
5394 sig->params [0] = &mono_defaults.object_class->byval_arg;
5395 sig->params [1] = &mono_defaults.int_class->byval_arg;
5396 sig->params [2] = &mono_defaults.int_class->byval_arg;
5397 sig->params [3] = &mono_defaults.int_class->byval_arg;
5398 sig->ret = &klass->byval_arg;
5401 mono_mb_emit_ldarg (mb, 0);
5402 pos0 = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
5404 mono_mb_emit_ldarg (mb, 0);
5405 mono_mb_emit_ldarg (mb, 1);
5406 mono_mb_emit_ldarg (mb, 2);
5408 mono_mb_emit_managed_call (mb, mono_marshal_get_ldfld_remote_wrapper (klass), NULL);
5411 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
5412 csig->params [0] = &mono_defaults.object_class->byval_arg;
5413 csig->params [1] = &mono_defaults.int_class->byval_arg;
5414 csig->params [2] = &mono_defaults.int_class->byval_arg;
5415 csig->ret = &klass->this_arg;
5418 mono_mb_emit_native_call (mb, csig, mono_load_remote_field_new);
5419 emit_thread_interrupt_checkpoint (mb);
5422 if (klass->valuetype) {
5423 mono_mb_emit_op (mb, CEE_UNBOX, klass);
5424 pos1 = mono_mb_emit_branch (mb, CEE_BR);
5426 mono_mb_emit_byte (mb, CEE_RET);
5430 mono_mb_patch_branch (mb, pos0);
5432 mono_mb_emit_ldarg (mb, 0);
5433 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5434 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
5435 mono_mb_emit_ldarg (mb, 3);
5436 mono_mb_emit_byte (mb, CEE_ADD);
5438 if (klass->valuetype)
5439 mono_mb_patch_branch (mb, pos1);
5444 case MONO_TYPE_BOOLEAN:
5445 case MONO_TYPE_CHAR:
5454 case MONO_TYPE_ARRAY:
5455 case MONO_TYPE_SZARRAY:
5456 case MONO_TYPE_OBJECT:
5457 case MONO_TYPE_CLASS:
5458 case MONO_TYPE_STRING:
5462 case MONO_TYPE_FNPTR:
5463 mono_mb_emit_byte (mb, mono_type_to_ldind (type));
5465 case MONO_TYPE_VALUETYPE:
5466 g_assert (!klass->enumtype);
5467 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
5469 case MONO_TYPE_GENERICINST:
5470 if (mono_type_generic_inst_is_valuetype (type)) {
5471 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
5473 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5477 case MONO_TYPE_MVAR:
5478 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
5481 g_warning ("type %x not implemented", type->type);
5482 g_assert_not_reached ();
5485 mono_mb_emit_byte (mb, CEE_RET);
5486 #endif /* DISABLE_JIT */
5488 res = mono_mb_create_and_cache (cache, klass,
5489 mb, sig, sig->param_count + 16);
5496 * mono_marshal_get_ldflda_wrapper:
5497 * @type: the type of the field
5499 * This method generates a function which can be used to load a field address
5500 * from an object. The generated function has the following signature:
5501 * gpointer ldflda_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset);
5504 mono_marshal_get_ldflda_wrapper (MonoType *type)
5506 MonoMethodSignature *sig;
5507 MonoMethodBuilder *mb;
5512 int t, pos0, pos1, pos2, pos3;
5514 type = mono_type_get_underlying_type (type);
5518 if (type->type == MONO_TYPE_SZARRAY) {
5519 klass = mono_defaults.array_class;
5520 } else if (type->type == MONO_TYPE_VALUETYPE) {
5521 klass = type->data.klass;
5522 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING ||
5523 t == MONO_TYPE_CLASS) {
5524 klass = mono_defaults.object_class;
5525 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
5526 klass = mono_defaults.int_class;
5527 } else if (t == MONO_TYPE_GENERICINST) {
5528 if (mono_type_generic_inst_is_valuetype (type))
5529 klass = mono_class_from_mono_type (type);
5531 klass = mono_defaults.object_class;
5533 klass = mono_class_from_mono_type (type);
5536 klass = mono_defaults.int_class;
5539 cache = get_cache (&klass->image->ldflda_wrapper_cache, mono_aligned_addr_hash, NULL);
5540 if ((res = mono_marshal_find_in_cache (cache, klass)))
5543 /* we add the %p pointer value of klass because class names are not unique */
5544 name = g_strdup_printf ("__ldflda_wrapper_%p_%s.%s", klass, klass->name_space, klass->name);
5545 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_LDFLDA);
5548 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
5549 sig->params [0] = &mono_defaults.object_class->byval_arg;
5550 sig->params [1] = &mono_defaults.int_class->byval_arg;
5551 sig->params [2] = &mono_defaults.int_class->byval_arg;
5552 sig->params [3] = &mono_defaults.int_class->byval_arg;
5553 sig->ret = &mono_defaults.int_class->byval_arg;
5556 /* if typeof (this) != transparent_proxy goto pos0 */
5557 mono_mb_emit_ldarg (mb, 0);
5558 pos0 = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
5560 /* if same_appdomain goto pos1 */
5561 mono_mb_emit_ldarg (mb, 0);
5562 pos1 = mono_mb_emit_xdomain_check (mb, CEE_BEQ);
5564 mono_mb_emit_exception_full (mb, "System", "InvalidOperationException", "Attempt to load field address from object in another appdomain.");
5566 /* same app domain */
5567 mono_mb_patch_branch (mb, pos1);
5569 /* if typeof (this) != contextbound goto pos2 */
5570 mono_mb_emit_ldarg (mb, 0);
5571 pos2 = mono_mb_emit_contextbound_check (mb, CEE_BEQ);
5573 /* if this->rp->context == mono_context_get goto pos3 */
5574 mono_mb_emit_ldarg (mb, 0);
5575 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
5576 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5577 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoRealProxy, context));
5578 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5579 mono_mb_emit_icall (mb, mono_context_get);
5580 pos3 = mono_mb_emit_branch (mb, CEE_BEQ);
5582 mono_mb_emit_exception_full (mb, "System", "InvalidOperationException", "Attempt to load field address from object in another context.");
5584 mono_mb_patch_branch (mb, pos2);
5585 mono_mb_patch_branch (mb, pos3);
5587 /* return the address of the field from this->rp->unwrapped_server */
5588 mono_mb_emit_ldarg (mb, 0);
5589 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
5590 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5591 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoRealProxy, unwrapped_server));
5592 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5593 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5594 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
5595 mono_mb_emit_ldarg (mb, 3);
5596 mono_mb_emit_byte (mb, CEE_ADD);
5597 mono_mb_emit_byte (mb, CEE_RET);
5599 /* not a proxy: return the address of the field directly */
5600 mono_mb_patch_branch (mb, pos0);
5602 mono_mb_emit_ldarg (mb, 0);
5603 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5604 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
5605 mono_mb_emit_ldarg (mb, 3);
5606 mono_mb_emit_byte (mb, CEE_ADD);
5608 mono_mb_emit_byte (mb, CEE_RET);
5611 res = mono_mb_create_and_cache (cache, klass,
5612 mb, sig, sig->param_count + 16);
5619 * mono_marshal_get_stfld_remote_wrapper:
5620 * klass: The type of the field
5622 * This function generates a wrapper for calling mono_store_remote_field_new
5623 * with the appropriate signature.
5624 * Similarly to mono_marshal_get_ldfld_remote_wrapper () this doesn't depend on the
5625 * klass argument anymore.
5628 mono_marshal_get_stfld_remote_wrapper (MonoClass *klass)
5630 MonoMethodSignature *sig, *csig;
5631 MonoMethodBuilder *mb;
5633 static MonoMethod *cached = NULL;
5635 mono_marshal_lock ();
5637 mono_marshal_unlock ();
5640 mono_marshal_unlock ();
5642 mb = mono_mb_new_no_dup_name (mono_defaults.object_class, "__mono_store_remote_field_new_wrapper", MONO_WRAPPER_STFLD_REMOTE);
5644 mb->method->save_lmf = 1;
5646 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
5647 sig->params [0] = &mono_defaults.object_class->byval_arg;
5648 sig->params [1] = &mono_defaults.int_class->byval_arg;
5649 sig->params [2] = &mono_defaults.int_class->byval_arg;
5650 sig->params [3] = &mono_defaults.object_class->byval_arg;
5651 sig->ret = &mono_defaults.void_class->byval_arg;
5654 mono_mb_emit_ldarg (mb, 0);
5655 mono_mb_emit_ldarg (mb, 1);
5656 mono_mb_emit_ldarg (mb, 2);
5657 mono_mb_emit_ldarg (mb, 3);
5659 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
5660 csig->params [0] = &mono_defaults.object_class->byval_arg;
5661 csig->params [1] = &mono_defaults.int_class->byval_arg;
5662 csig->params [2] = &mono_defaults.int_class->byval_arg;
5663 csig->params [3] = &mono_defaults.object_class->byval_arg;
5664 csig->ret = &mono_defaults.void_class->byval_arg;
5667 mono_mb_emit_native_call (mb, csig, mono_store_remote_field_new);
5668 emit_thread_interrupt_checkpoint (mb);
5670 mono_mb_emit_byte (mb, CEE_RET);
5673 mono_marshal_lock ();
5675 mono_marshal_unlock ();
5678 newm = mono_mb_create_method (mb, sig, 6);
5679 mono_marshal_lock ();
5684 mono_marshal_unlock ();
5686 mono_marshal_unlock ();
5687 mono_free_method (newm);
5696 * mono_marshal_get_stfld_wrapper:
5697 * @type: the type of the field
5699 * This method generates a function which can be use to store a field with type
5700 * @type. The generated function has the following signature:
5701 * void stfld_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset, <@type> val)
5704 mono_marshal_get_stfld_wrapper (MonoType *type)
5706 MonoMethodSignature *sig;
5707 MonoMethodBuilder *mb;
5714 type = mono_type_get_underlying_type (type);
5718 if (type->type == MONO_TYPE_SZARRAY) {
5719 klass = mono_defaults.array_class;
5720 } else if (type->type == MONO_TYPE_VALUETYPE) {
5721 klass = type->data.klass;
5722 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING) {
5723 klass = mono_defaults.object_class;
5724 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
5725 klass = mono_defaults.int_class;
5726 } else if (t == MONO_TYPE_GENERICINST) {
5727 if (mono_type_generic_inst_is_valuetype (type))
5728 klass = mono_class_from_mono_type (type);
5730 klass = mono_defaults.object_class;
5732 klass = mono_class_from_mono_type (type);
5735 klass = mono_defaults.int_class;
5738 cache = get_cache (&klass->image->stfld_wrapper_cache, mono_aligned_addr_hash, NULL);
5739 if ((res = mono_marshal_find_in_cache (cache, klass)))
5742 /* we add the %p pointer value of klass because class names are not unique */
5743 name = g_strdup_printf ("__stfld_wrapper_%p_%s.%s", klass, klass->name_space, klass->name);
5744 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_STFLD);
5747 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 5);
5748 sig->params [0] = &mono_defaults.object_class->byval_arg;
5749 sig->params [1] = &mono_defaults.int_class->byval_arg;
5750 sig->params [2] = &mono_defaults.int_class->byval_arg;
5751 sig->params [3] = &mono_defaults.int_class->byval_arg;
5752 sig->params [4] = &klass->byval_arg;
5753 sig->ret = &mono_defaults.void_class->byval_arg;
5756 mono_mb_emit_ldarg (mb, 0);
5757 pos = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
5759 mono_mb_emit_ldarg (mb, 0);
5760 mono_mb_emit_ldarg (mb, 1);
5761 mono_mb_emit_ldarg (mb, 2);
5762 mono_mb_emit_ldarg (mb, 4);
5763 if (klass->valuetype)
5764 mono_mb_emit_op (mb, CEE_BOX, klass);
5766 mono_mb_emit_managed_call (mb, mono_marshal_get_stfld_remote_wrapper (klass), NULL);
5768 mono_mb_emit_byte (mb, CEE_RET);
5770 mono_mb_patch_branch (mb, pos);
5772 mono_mb_emit_ldarg (mb, 0);
5773 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5774 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
5775 mono_mb_emit_ldarg (mb, 3);
5776 mono_mb_emit_byte (mb, CEE_ADD);
5777 mono_mb_emit_ldarg (mb, 4);
5782 case MONO_TYPE_BOOLEAN:
5783 case MONO_TYPE_CHAR:
5792 case MONO_TYPE_ARRAY:
5793 case MONO_TYPE_SZARRAY:
5794 case MONO_TYPE_OBJECT:
5795 case MONO_TYPE_CLASS:
5796 case MONO_TYPE_STRING:
5800 case MONO_TYPE_FNPTR:
5801 mono_mb_emit_byte (mb, mono_type_to_stind (type));
5803 case MONO_TYPE_VALUETYPE:
5804 g_assert (!klass->enumtype);
5805 mono_mb_emit_op (mb, CEE_STOBJ, klass);
5807 case MONO_TYPE_GENERICINST:
5809 case MONO_TYPE_MVAR:
5810 mono_mb_emit_op (mb, CEE_STOBJ, klass);
5813 g_warning ("type %x not implemented", type->type);
5814 g_assert_not_reached ();
5817 mono_mb_emit_byte (mb, CEE_RET);
5820 res = mono_mb_create_and_cache (cache, klass,
5821 mb, sig, sig->param_count + 16);
5826 #endif /* DISABLE_REMOTING */
5829 * generates IL code for the icall wrapper (the generated method
5830 * calls the unmanaged code in func)
5831 * The wrapper info for the wrapper is a WrapperInfo structure.
5834 mono_marshal_get_icall_wrapper (MonoMethodSignature *sig, const char *name, gconstpointer func, gboolean check_exceptions)
5836 MonoMethodSignature *csig, *csig2;
5837 MonoMethodBuilder *mb;
5842 g_assert (sig->pinvoke);
5844 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_MANAGED_TO_NATIVE);
5846 mb->method->save_lmf = 1;
5848 /* Add an explicit this argument */
5850 csig2 = signature_dup_add_this (mono_defaults.corlib, sig, mono_defaults.object_class);
5852 csig2 = signature_dup (mono_defaults.corlib, sig);
5856 mono_mb_emit_byte (mb, CEE_LDARG_0);
5858 for (i = 0; i < sig->param_count; i++)
5859 mono_mb_emit_ldarg (mb, i + sig->hasthis);
5861 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5862 mono_mb_emit_op (mb, CEE_MONO_JIT_ICALL_ADDR, (gpointer)func);
5863 mono_mb_emit_calli (mb, csig2);
5864 if (check_exceptions)
5865 emit_thread_interrupt_checkpoint (mb);
5866 mono_mb_emit_byte (mb, CEE_RET);
5869 csig = signature_dup (mono_defaults.corlib, sig);
5871 if (csig->call_convention == MONO_CALL_VARARG)
5872 csig->call_convention = 0;
5874 res = mono_mb_create_method (mb, csig, csig->param_count + 16);
5877 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_ICALL_WRAPPER);
5878 info->d.icall.func = (gpointer)func;
5879 mono_marshal_set_wrapper_info (res, info);
5885 emit_marshal_custom (EmitMarshalContext *m, int argnum, MonoType *t,
5886 MonoMarshalSpec *spec,
5887 int conv_arg, MonoType **conv_arg_type,
5888 MarshalAction action)
5891 if (action == MARSHAL_ACTION_CONV_IN && t->type == MONO_TYPE_VALUETYPE)
5892 *conv_arg_type = &mono_defaults.int_class->byval_arg;
5897 static MonoClass *ICustomMarshaler = NULL;
5898 static MonoMethod *cleanup_native, *cleanup_managed;
5899 static MonoMethod *marshal_managed_to_native, *marshal_native_to_managed;
5900 MonoMethod *get_instance = NULL;
5901 MonoMethodBuilder *mb = m->mb;
5902 char *exception_msg = NULL;
5906 if (!ICustomMarshaler) {
5907 ICustomMarshaler = mono_class_from_name (mono_defaults.corlib, "System.Runtime.InteropServices", "ICustomMarshaler");
5908 if (!ICustomMarshaler) {
5909 exception_msg = g_strdup ("Current profile doesn't support ICustomMarshaler");
5910 goto handle_exception;
5913 cleanup_native = mono_class_get_method_from_name (ICustomMarshaler, "CleanUpNativeData", 1);
5914 g_assert (cleanup_native);
5915 cleanup_managed = mono_class_get_method_from_name (ICustomMarshaler, "CleanUpManagedData", 1);
5916 g_assert (cleanup_managed);
5917 marshal_managed_to_native = mono_class_get_method_from_name (ICustomMarshaler, "MarshalManagedToNative", 1);
5918 g_assert (marshal_managed_to_native);
5919 marshal_native_to_managed = mono_class_get_method_from_name (ICustomMarshaler, "MarshalNativeToManaged", 1);
5920 g_assert (marshal_native_to_managed);
5923 if (spec->data.custom_data.image)
5924 mtype = mono_reflection_type_from_name (spec->data.custom_data.custom_name, spec->data.custom_data.image);
5926 mtype = mono_reflection_type_from_name (spec->data.custom_data.custom_name, m->image);
5927 g_assert (mtype != NULL);
5928 mklass = mono_class_from_mono_type (mtype);
5929 g_assert (mklass != NULL);
5931 if (!mono_class_is_assignable_from (ICustomMarshaler, mklass))
5932 exception_msg = g_strdup_printf ("Custom marshaler '%s' does not implement the ICustomMarshaler interface.", mklass->name);
5934 get_instance = mono_class_get_method_from_name_flags (mklass, "GetInstance", 1, METHOD_ATTRIBUTE_STATIC);
5936 MonoMethodSignature *get_sig = mono_method_signature (get_instance);
5937 if ((get_sig->ret->type != MONO_TYPE_CLASS) ||
5938 (mono_class_from_mono_type (get_sig->ret) != ICustomMarshaler) ||
5939 (get_sig->params [0]->type != MONO_TYPE_STRING))
5940 get_instance = NULL;
5944 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);
5947 /* Throw exception and emit compensation code if neccesary */
5948 if (exception_msg) {
5950 case MARSHAL_ACTION_CONV_IN:
5951 case MARSHAL_ACTION_CONV_RESULT:
5952 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
5953 if ((action == MARSHAL_ACTION_CONV_RESULT) || (action == MARSHAL_ACTION_MANAGED_CONV_RESULT))
5954 mono_mb_emit_byte (mb, CEE_POP);
5956 mono_mb_emit_exception_full (mb, "System", "ApplicationException", exception_msg);
5957 g_free (exception_msg);
5960 case MARSHAL_ACTION_PUSH:
5961 mono_mb_emit_byte (mb, CEE_LDNULL);
5969 /* FIXME: MS.NET seems to create one instance for each klass + cookie pair */
5970 /* FIXME: MS.NET throws an exception if GetInstance returns null */
5973 case MARSHAL_ACTION_CONV_IN:
5975 case MONO_TYPE_CLASS:
5976 case MONO_TYPE_OBJECT:
5977 case MONO_TYPE_STRING:
5978 case MONO_TYPE_ARRAY:
5979 case MONO_TYPE_SZARRAY:
5980 case MONO_TYPE_VALUETYPE:
5984 g_warning ("custom marshalling of type %x is currently not supported", t->type);
5985 g_assert_not_reached ();
5989 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5991 mono_mb_emit_byte (mb, CEE_LDNULL);
5992 mono_mb_emit_stloc (mb, conv_arg);
5994 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT))
5997 /* Minic MS.NET behavior */
5998 if (!t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT) && !(t->attrs & PARAM_ATTRIBUTE_IN))
6001 /* Check for null */
6002 mono_mb_emit_ldarg (mb, argnum);
6004 mono_mb_emit_byte (mb, CEE_LDIND_I);
6005 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6007 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
6009 mono_mb_emit_op (mb, CEE_CALL, get_instance);
6011 mono_mb_emit_ldarg (mb, argnum);
6013 mono_mb_emit_byte (mb, CEE_LDIND_REF);
6015 if (t->type == MONO_TYPE_VALUETYPE) {
6017 * Since we can't determine the type of the argument, we
6018 * will assume the unmanaged function takes a pointer.
6020 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6022 mono_mb_emit_op (mb, CEE_BOX, mono_class_from_mono_type (t));
6025 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_managed_to_native);
6026 mono_mb_emit_stloc (mb, conv_arg);
6028 mono_mb_patch_branch (mb, pos2);
6031 case MARSHAL_ACTION_CONV_OUT:
6032 /* Check for null */
6033 mono_mb_emit_ldloc (mb, conv_arg);
6034 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6037 mono_mb_emit_ldarg (mb, argnum);
6039 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
6041 mono_mb_emit_op (mb, CEE_CALL, get_instance);
6043 mono_mb_emit_ldloc (mb, conv_arg);
6044 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
6045 mono_mb_emit_byte (mb, CEE_STIND_REF);
6046 } else if (t->attrs & PARAM_ATTRIBUTE_OUT) {
6047 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
6049 mono_mb_emit_op (mb, CEE_CALL, get_instance);
6051 mono_mb_emit_ldloc (mb, conv_arg);
6052 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
6054 /* We have nowhere to store the result */
6055 mono_mb_emit_byte (mb, CEE_POP);
6058 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
6060 mono_mb_emit_op (mb, CEE_CALL, get_instance);
6062 mono_mb_emit_ldloc (mb, conv_arg);
6064 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_native);
6066 mono_mb_patch_branch (mb, pos2);
6069 case MARSHAL_ACTION_PUSH:
6071 mono_mb_emit_ldloc_addr (mb, conv_arg);
6073 mono_mb_emit_ldloc (mb, conv_arg);
6076 case MARSHAL_ACTION_CONV_RESULT:
6077 loc1 = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6079 mono_mb_emit_stloc (mb, 3);
6081 mono_mb_emit_ldloc (mb, 3);
6082 mono_mb_emit_stloc (mb, loc1);
6084 /* Check for null */
6085 mono_mb_emit_ldloc (mb, 3);
6086 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6088 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
6090 mono_mb_emit_op (mb, CEE_CALL, get_instance);
6091 mono_mb_emit_byte (mb, CEE_DUP);
6093 mono_mb_emit_ldloc (mb, 3);
6094 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
6095 mono_mb_emit_stloc (mb, 3);
6097 mono_mb_emit_ldloc (mb, loc1);
6098 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_native);
6100 mono_mb_patch_branch (mb, pos2);
6103 case MARSHAL_ACTION_MANAGED_CONV_IN:
6104 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
6106 mono_mb_emit_byte (mb, CEE_LDNULL);
6107 mono_mb_emit_stloc (mb, conv_arg);
6109 if (t->byref && t->attrs & PARAM_ATTRIBUTE_OUT)
6112 /* Check for null */
6113 mono_mb_emit_ldarg (mb, argnum);
6115 mono_mb_emit_byte (mb, CEE_LDIND_I);
6116 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6118 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
6119 mono_mb_emit_op (mb, CEE_CALL, get_instance);
6121 mono_mb_emit_ldarg (mb, argnum);
6123 mono_mb_emit_byte (mb, CEE_LDIND_I);
6125 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
6126 mono_mb_emit_stloc (mb, conv_arg);
6128 mono_mb_patch_branch (mb, pos2);
6131 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
6132 g_assert (!t->byref);
6134 loc1 = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
6136 mono_mb_emit_stloc (mb, 3);
6138 mono_mb_emit_ldloc (mb, 3);
6139 mono_mb_emit_stloc (mb, loc1);
6141 /* Check for null */
6142 mono_mb_emit_ldloc (mb, 3);
6143 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6145 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
6146 mono_mb_emit_op (mb, CEE_CALL, get_instance);
6147 mono_mb_emit_byte (mb, CEE_DUP);
6149 mono_mb_emit_ldloc (mb, 3);
6150 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_managed_to_native);
6151 mono_mb_emit_stloc (mb, 3);
6153 mono_mb_emit_ldloc (mb, loc1);
6154 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_managed);
6156 mono_mb_patch_branch (mb, pos2);
6159 case MARSHAL_ACTION_MANAGED_CONV_OUT:
6161 /* Check for null */
6162 mono_mb_emit_ldloc (mb, conv_arg);
6163 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6166 mono_mb_emit_ldarg (mb, argnum);
6168 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
6170 mono_mb_emit_op (mb, CEE_CALL, get_instance);
6172 mono_mb_emit_ldloc (mb, conv_arg);
6173 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_managed_to_native);
6174 mono_mb_emit_byte (mb, CEE_STIND_I);
6177 /* Call CleanUpManagedData */
6178 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
6180 mono_mb_emit_op (mb, CEE_CALL, get_instance);
6182 mono_mb_emit_ldloc (mb, conv_arg);
6183 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_managed);
6185 mono_mb_patch_branch (mb, pos2);
6189 g_assert_not_reached ();
6197 emit_marshal_asany (EmitMarshalContext *m, int argnum, MonoType *t,
6198 MonoMarshalSpec *spec,
6199 int conv_arg, MonoType **conv_arg_type,
6200 MarshalAction action)
6203 MonoMethodBuilder *mb = m->mb;
6206 case MARSHAL_ACTION_CONV_IN: {
6207 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, NULL);
6209 g_assert (t->type == MONO_TYPE_OBJECT);
6210 g_assert (!t->byref);
6212 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6213 mono_mb_emit_ldarg (mb, argnum);
6214 mono_mb_emit_icon (mb, encoding);
6215 mono_mb_emit_icon (mb, t->attrs);
6216 mono_mb_emit_icall (mb, mono_marshal_asany);
6217 mono_mb_emit_stloc (mb, conv_arg);
6221 case MARSHAL_ACTION_PUSH:
6222 mono_mb_emit_ldloc (mb, conv_arg);
6225 case MARSHAL_ACTION_CONV_OUT: {
6226 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, NULL);
6228 mono_mb_emit_ldarg (mb, argnum);
6229 mono_mb_emit_ldloc (mb, conv_arg);
6230 mono_mb_emit_icon (mb, encoding);
6231 mono_mb_emit_icon (mb, t->attrs);
6232 mono_mb_emit_icall (mb, mono_marshal_free_asany);
6237 g_assert_not_reached ();
6244 emit_marshal_vtype (EmitMarshalContext *m, int argnum, MonoType *t,
6245 MonoMarshalSpec *spec,
6246 int conv_arg, MonoType **conv_arg_type,
6247 MarshalAction action)
6250 MonoMethodBuilder *mb = m->mb;
6251 MonoClass *klass, *date_time_class;
6254 klass = mono_class_from_mono_type (t);
6256 date_time_class = mono_class_from_name_cached (mono_defaults.corlib, "System", "DateTime");
6259 case MARSHAL_ACTION_CONV_IN:
6260 if (klass == date_time_class) {
6261 /* Convert it to an OLE DATE type */
6262 static MonoMethod *to_oadate;
6265 to_oadate = mono_class_get_method_from_name (date_time_class, "ToOADate", 0);
6266 g_assert (to_oadate);
6268 conv_arg = mono_mb_add_local (mb, &mono_defaults.double_class->byval_arg);
6271 mono_mb_emit_ldarg (mb, argnum);
6272 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6275 if (!(t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && (t->attrs & PARAM_ATTRIBUTE_OUT))) {
6277 m->csig->params [argnum - m->csig->hasthis] = &mono_defaults.double_class->byval_arg;
6279 mono_mb_emit_ldarg_addr (mb, argnum);
6280 mono_mb_emit_managed_call (mb, to_oadate, NULL);
6281 mono_mb_emit_stloc (mb, conv_arg);
6285 mono_mb_patch_branch (mb, pos);
6289 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6290 klass->blittable || klass->enumtype)
6293 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6295 /* store the address of the source into local variable 0 */
6297 mono_mb_emit_ldarg (mb, argnum);
6299 mono_mb_emit_ldarg_addr (mb, argnum);
6301 mono_mb_emit_stloc (mb, 0);
6303 /* allocate space for the native struct and
6304 * store the address into local variable 1 (dest) */
6305 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
6306 mono_mb_emit_byte (mb, CEE_PREFIX1);
6307 mono_mb_emit_byte (mb, CEE_LOCALLOC);
6308 mono_mb_emit_stloc (mb, conv_arg);
6311 mono_mb_emit_ldloc (mb, 0);
6312 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6315 if (!(t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && (t->attrs & PARAM_ATTRIBUTE_OUT))) {
6317 mono_mb_emit_ldloc (mb, conv_arg);
6318 mono_mb_emit_stloc (mb, 1);
6320 /* emit valuetype conversion code */
6321 emit_struct_conv (mb, klass, FALSE);
6325 mono_mb_patch_branch (mb, pos);
6328 case MARSHAL_ACTION_PUSH:
6329 if (spec && spec->native == MONO_NATIVE_LPSTRUCT) {
6331 g_assert (!t->byref);
6333 /* Have to change the signature since the vtype is passed byref */
6334 m->csig->params [argnum - m->csig->hasthis] = &mono_defaults.int_class->byval_arg;
6336 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6337 klass->blittable || klass->enumtype)
6338 mono_mb_emit_ldarg_addr (mb, argnum);
6340 mono_mb_emit_ldloc (mb, conv_arg);
6344 if (klass == date_time_class) {
6346 mono_mb_emit_ldloc_addr (mb, conv_arg);
6348 mono_mb_emit_ldloc (mb, conv_arg);
6352 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6353 klass->blittable || klass->enumtype) {
6354 mono_mb_emit_ldarg (mb, argnum);
6357 mono_mb_emit_ldloc (mb, conv_arg);
6359 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6360 mono_mb_emit_op (mb, CEE_MONO_LDNATIVEOBJ, klass);
6364 case MARSHAL_ACTION_CONV_OUT:
6365 if (klass == date_time_class) {
6366 /* Convert from an OLE DATE type */
6367 static MonoMethod *from_oadate;
6372 if (!((t->attrs & PARAM_ATTRIBUTE_IN) && !(t->attrs & PARAM_ATTRIBUTE_OUT))) {
6374 from_oadate = mono_class_get_method_from_name (date_time_class, "FromOADate", 1);
6375 g_assert (from_oadate);
6377 mono_mb_emit_ldarg (mb, argnum);
6378 mono_mb_emit_ldloc (mb, conv_arg);
6379 mono_mb_emit_managed_call (mb, from_oadate, NULL);
6380 mono_mb_emit_op (mb, CEE_STOBJ, date_time_class);
6385 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6386 klass->blittable || klass->enumtype)
6390 /* dst = argument */
6391 mono_mb_emit_ldarg (mb, argnum);
6392 mono_mb_emit_stloc (mb, 1);
6394 mono_mb_emit_ldloc (mb, 1);
6395 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6397 if (!((t->attrs & PARAM_ATTRIBUTE_IN) && !(t->attrs & PARAM_ATTRIBUTE_OUT))) {
6398 /* src = tmp_locals [i] */
6399 mono_mb_emit_ldloc (mb, conv_arg);
6400 mono_mb_emit_stloc (mb, 0);
6402 /* emit valuetype conversion code */
6403 emit_struct_conv (mb, klass, TRUE);
6407 emit_struct_free (mb, klass, conv_arg);
6410 mono_mb_patch_branch (mb, pos);
6413 case MARSHAL_ACTION_CONV_RESULT:
6414 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6416 mono_mb_emit_stloc (mb, 3);
6420 /* load pointer to returned value type */
6421 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6422 mono_mb_emit_byte (mb, CEE_MONO_VTADDR);
6423 /* store the address of the source into local variable 0 */
6424 mono_mb_emit_stloc (mb, 0);
6426 mono_mb_emit_ldloc_addr (mb, 3);
6427 mono_mb_emit_stloc (mb, 1);
6429 /* emit valuetype conversion code */
6430 emit_struct_conv (mb, klass, TRUE);
6433 case MARSHAL_ACTION_MANAGED_CONV_IN:
6434 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6435 klass->blittable || klass->enumtype) {
6440 conv_arg = mono_mb_add_local (mb, &klass->byval_arg);
6442 if (t->attrs & PARAM_ATTRIBUTE_OUT)
6446 mono_mb_emit_ldarg (mb, argnum);
6448 mono_mb_emit_ldarg_addr (mb, argnum);
6449 mono_mb_emit_stloc (mb, 0);
6452 mono_mb_emit_ldloc (mb, 0);
6453 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6456 mono_mb_emit_ldloc_addr (mb, conv_arg);
6457 mono_mb_emit_stloc (mb, 1);
6459 /* emit valuetype conversion code */
6460 emit_struct_conv (mb, klass, TRUE);
6463 mono_mb_patch_branch (mb, pos);
6466 case MARSHAL_ACTION_MANAGED_CONV_OUT:
6467 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6468 klass->blittable || klass->enumtype) {
6472 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_IN) && !(t->attrs & PARAM_ATTRIBUTE_OUT))
6475 /* Check for null */
6476 mono_mb_emit_ldarg (mb, argnum);
6477 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6480 mono_mb_emit_ldloc_addr (mb, conv_arg);
6481 mono_mb_emit_stloc (mb, 0);
6484 mono_mb_emit_ldarg (mb, argnum);
6485 mono_mb_emit_stloc (mb, 1);
6487 /* emit valuetype conversion code */
6488 emit_struct_conv (mb, klass, FALSE);
6490 mono_mb_patch_branch (mb, pos2);
6493 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
6494 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6495 klass->blittable || klass->enumtype) {
6496 mono_mb_emit_stloc (mb, 3);
6501 /* load pointer to returned value type */
6502 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6503 mono_mb_emit_byte (mb, CEE_MONO_VTADDR);
6505 /* store the address of the source into local variable 0 */
6506 mono_mb_emit_stloc (mb, 0);
6507 /* allocate space for the native struct and
6508 * store the address into dst_ptr */
6509 m->retobj_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6510 m->retobj_class = klass;
6511 g_assert (m->retobj_var);
6512 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
6513 mono_mb_emit_byte (mb, CEE_CONV_I);
6514 mono_mb_emit_icall (mb, mono_marshal_alloc);
6515 mono_mb_emit_stloc (mb, 1);
6516 mono_mb_emit_ldloc (mb, 1);
6517 mono_mb_emit_stloc (mb, m->retobj_var);
6519 /* emit valuetype conversion code */
6520 emit_struct_conv (mb, klass, FALSE);
6524 g_assert_not_reached ();
6531 emit_marshal_string (EmitMarshalContext *m, int argnum, MonoType *t,
6532 MonoMarshalSpec *spec,
6533 int conv_arg, MonoType **conv_arg_type,
6534 MarshalAction action)
6538 case MARSHAL_ACTION_CONV_IN:
6539 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6541 case MARSHAL_ACTION_MANAGED_CONV_IN:
6542 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6546 MonoMethodBuilder *mb = m->mb;
6547 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
6548 MonoMarshalConv conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
6552 case MARSHAL_ACTION_CONV_IN:
6553 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6554 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6557 if (t->attrs & PARAM_ATTRIBUTE_OUT)
6560 mono_mb_emit_ldarg (mb, argnum);
6561 mono_mb_emit_byte (mb, CEE_LDIND_I);
6563 mono_mb_emit_ldarg (mb, argnum);
6567 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
6568 mono_mb_emit_exception_marshal_directive (mb, msg);
6570 mono_mb_emit_icall (mb, conv_to_icall (conv));
6572 mono_mb_emit_stloc (mb, conv_arg);
6576 case MARSHAL_ACTION_CONV_OUT:
6577 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
6579 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
6580 mono_mb_emit_exception_marshal_directive (mb, msg);
6584 if (encoding == MONO_NATIVE_VBBYREFSTR) {
6585 static MonoMethod *m;
6588 m = mono_class_get_method_from_name_flags (mono_defaults.string_class, "get_Length", -1, 0);
6593 char *msg = g_strdup_printf ("VBByRefStr marshalling requires a ref parameter.", encoding);
6594 mono_mb_emit_exception_marshal_directive (mb, msg);
6599 * Have to allocate a new string with the same length as the original, and
6600 * copy the contents of the buffer pointed to by CONV_ARG into it.
6602 g_assert (t->byref);
6603 mono_mb_emit_ldarg (mb, argnum);
6604 mono_mb_emit_ldloc (mb, conv_arg);
6605 mono_mb_emit_ldarg (mb, argnum);
6606 mono_mb_emit_byte (mb, CEE_LDIND_I);
6607 mono_mb_emit_managed_call (mb, m, NULL);
6608 mono_mb_emit_icall (mb, mono_string_new_len_wrapper);
6609 mono_mb_emit_byte (mb, CEE_STIND_REF);
6610 } else if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT || !(t->attrs & PARAM_ATTRIBUTE_IN))) {
6611 mono_mb_emit_ldarg (mb, argnum);
6612 mono_mb_emit_ldloc (mb, conv_arg);
6613 mono_mb_emit_icall (mb, conv_to_icall (conv));
6614 mono_mb_emit_byte (mb, CEE_STIND_REF);
6619 mono_mb_emit_ldloc (mb, conv_arg);
6620 if (conv == MONO_MARSHAL_CONV_BSTR_STR)
6621 mono_mb_emit_icall (mb, mono_free_bstr);
6623 mono_mb_emit_icall (mb, mono_marshal_free);
6627 case MARSHAL_ACTION_PUSH:
6628 if (t->byref && encoding != MONO_NATIVE_VBBYREFSTR)
6629 mono_mb_emit_ldloc_addr (mb, conv_arg);
6631 mono_mb_emit_ldloc (mb, conv_arg);
6634 case MARSHAL_ACTION_CONV_RESULT:
6635 mono_mb_emit_stloc (mb, 0);
6637 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
6639 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
6640 mono_mb_emit_exception_marshal_directive (mb, msg);
6644 mono_mb_emit_ldloc (mb, 0);
6645 mono_mb_emit_icall (mb, conv_to_icall (conv));
6646 mono_mb_emit_stloc (mb, 3);
6648 /* free the string */
6649 mono_mb_emit_ldloc (mb, 0);
6650 if (conv == MONO_MARSHAL_CONV_BSTR_STR)
6651 mono_mb_emit_icall (mb, mono_free_bstr);
6653 mono_mb_emit_icall (mb, mono_marshal_free);
6656 case MARSHAL_ACTION_MANAGED_CONV_IN:
6657 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
6659 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6662 if (t->attrs & PARAM_ATTRIBUTE_OUT)
6666 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
6668 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
6669 mono_mb_emit_exception_marshal_directive (mb, msg);
6673 mono_mb_emit_ldarg (mb, argnum);
6675 mono_mb_emit_byte (mb, CEE_LDIND_I);
6676 mono_mb_emit_icall (mb, conv_to_icall (conv));
6677 mono_mb_emit_stloc (mb, conv_arg);
6680 case MARSHAL_ACTION_MANAGED_CONV_OUT:
6683 mono_mb_emit_ldarg (mb, argnum);
6684 mono_mb_emit_ldloc (mb, conv_arg);
6685 mono_mb_emit_icall (mb, conv_to_icall (conv));
6686 mono_mb_emit_byte (mb, CEE_STIND_I);
6691 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
6692 if (conv_to_icall (conv) == mono_marshal_string_to_utf16)
6693 /* We need to make a copy so the caller is able to free it */
6694 mono_mb_emit_icall (mb, mono_marshal_string_to_utf16_copy);
6696 mono_mb_emit_icall (mb, conv_to_icall (conv));
6697 mono_mb_emit_stloc (mb, 3);
6701 g_assert_not_reached ();
6709 emit_marshal_safehandle (EmitMarshalContext *m, int argnum, MonoType *t,
6710 MonoMarshalSpec *spec, int conv_arg,
6711 MonoType **conv_arg_type, MarshalAction action)
6714 if (action == MARSHAL_ACTION_CONV_IN)
6715 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6717 MonoMethodBuilder *mb = m->mb;
6720 case MARSHAL_ACTION_CONV_IN: {
6721 MonoType *intptr_type;
6722 int dar_release_slot, pos;
6724 intptr_type = &mono_defaults.int_class->byval_arg;
6725 conv_arg = mono_mb_add_local (mb, intptr_type);
6726 *conv_arg_type = intptr_type;
6728 if (!sh_dangerous_add_ref)
6729 init_safe_handle ();
6731 mono_mb_emit_ldarg (mb, argnum);
6732 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
6733 mono_mb_emit_exception (mb, "ArgumentNullException", NULL);
6735 mono_mb_patch_branch (mb, pos);
6738 * My tests in show that ref SafeHandles are not really
6739 * passed as ref objects. Instead a NULL is passed as the
6742 mono_mb_emit_icon (mb, 0);
6743 mono_mb_emit_stloc (mb, conv_arg);
6747 /* Create local to hold the ref parameter to DangerousAddRef */
6748 dar_release_slot = mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
6750 /* set release = false; */
6751 mono_mb_emit_icon (mb, 0);
6752 mono_mb_emit_stloc (mb, dar_release_slot);
6754 /* safehandle.DangerousAddRef (ref release) */
6755 mono_mb_emit_ldarg (mb, argnum);
6756 mono_mb_emit_ldloc_addr (mb, dar_release_slot);
6757 mono_mb_emit_managed_call (mb, sh_dangerous_add_ref, NULL);
6759 /* Pull the handle field from SafeHandle */
6760 mono_mb_emit_ldarg (mb, argnum);
6761 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoSafeHandle, handle));
6762 mono_mb_emit_byte (mb, CEE_LDIND_I);
6763 mono_mb_emit_stloc (mb, conv_arg);
6768 case MARSHAL_ACTION_PUSH:
6770 mono_mb_emit_ldloc_addr (mb, conv_arg);
6772 mono_mb_emit_ldloc (mb, conv_arg);
6775 case MARSHAL_ACTION_CONV_OUT: {
6776 /* The slot for the boolean is the next temporary created after conv_arg, see the CONV_IN code */
6777 int dar_release_slot = conv_arg + 1;
6780 if (!sh_dangerous_release)
6781 init_safe_handle ();
6787 * My tests indicate that ref SafeHandles parameters are not actually
6788 * passed by ref, but instead a new Handle is created regardless of
6789 * whether a change happens in the unmanaged side.
6791 * Also, the Handle is created before calling into unmanaged code,
6792 * but we do not support that mechanism (getting to the original
6793 * handle) and it makes no difference where we create this
6795 ctor = mono_class_get_method_from_name (t->data.klass, ".ctor", 0);
6797 mono_mb_emit_exception (mb, "MissingMethodException", "paramterless constructor required");
6800 /* refval = new SafeHandleDerived ()*/
6801 mono_mb_emit_ldarg (mb, argnum);
6802 mono_mb_emit_op (mb, CEE_NEWOBJ, ctor);
6803 mono_mb_emit_byte (mb, CEE_STIND_REF);
6805 /* refval.handle = returned_handle */
6806 mono_mb_emit_ldarg (mb, argnum);
6807 mono_mb_emit_byte (mb, CEE_LDIND_REF);
6808 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoSafeHandle, handle));
6809 mono_mb_emit_ldloc (mb, conv_arg);
6810 mono_mb_emit_byte (mb, CEE_STIND_I);
6812 mono_mb_emit_ldloc (mb, dar_release_slot);
6813 label_next = mono_mb_emit_branch (mb, CEE_BRFALSE);
6814 mono_mb_emit_ldarg (mb, argnum);
6815 mono_mb_emit_managed_call (mb, sh_dangerous_release, NULL);
6816 mono_mb_patch_branch (mb, label_next);
6821 case MARSHAL_ACTION_CONV_RESULT: {
6822 MonoMethod *ctor = NULL;
6823 int intptr_handle_slot;
6825 if (t->data.klass->flags & TYPE_ATTRIBUTE_ABSTRACT){
6826 mono_mb_emit_byte (mb, CEE_POP);
6827 mono_mb_emit_exception_marshal_directive (mb, g_strdup ("Returned SafeHandles should not be abstract"));
6831 ctor = mono_class_get_method_from_name (t->data.klass, ".ctor", 0);
6833 mono_mb_emit_byte (mb, CEE_POP);
6834 mono_mb_emit_exception (mb, "MissingMethodException", "paramterless constructor required");
6837 /* Store the IntPtr results into a local */
6838 intptr_handle_slot = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6839 mono_mb_emit_stloc (mb, intptr_handle_slot);
6841 /* Create return value */
6842 mono_mb_emit_op (mb, CEE_NEWOBJ, ctor);
6843 mono_mb_emit_stloc (mb, 3);
6845 /* Set the return.handle to the value, am using ldflda, not sure if thats a good idea */
6846 mono_mb_emit_ldloc (mb, 3);
6847 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoSafeHandle, handle));
6848 mono_mb_emit_ldloc (mb, intptr_handle_slot);
6849 mono_mb_emit_byte (mb, CEE_STIND_I);
6853 case MARSHAL_ACTION_MANAGED_CONV_IN:
6854 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_IN\n");
6857 case MARSHAL_ACTION_MANAGED_CONV_OUT:
6858 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_OUT\n");
6861 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
6862 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_RESULT\n");
6865 printf ("Unhandled case for MarshalAction: %d\n", action);
6873 emit_marshal_handleref (EmitMarshalContext *m, int argnum, MonoType *t,
6874 MonoMarshalSpec *spec, int conv_arg,
6875 MonoType **conv_arg_type, MarshalAction action)
6878 if (action == MARSHAL_ACTION_CONV_IN)
6879 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6881 MonoMethodBuilder *mb = m->mb;
6884 case MARSHAL_ACTION_CONV_IN: {
6885 MonoType *intptr_type;
6887 intptr_type = &mono_defaults.int_class->byval_arg;
6888 conv_arg = mono_mb_add_local (mb, intptr_type);
6889 *conv_arg_type = intptr_type;
6892 char *msg = g_strdup ("HandleRefs can not be returned from unmanaged code (or passed by ref)");
6893 mono_mb_emit_exception_marshal_directive (mb, msg);
6896 mono_mb_emit_ldarg_addr (mb, argnum);
6897 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoHandleRef, handle));
6898 mono_mb_emit_byte (mb, CEE_ADD);
6899 mono_mb_emit_byte (mb, CEE_LDIND_I);
6900 mono_mb_emit_stloc (mb, conv_arg);
6904 case MARSHAL_ACTION_PUSH:
6905 mono_mb_emit_ldloc (mb, conv_arg);
6908 case MARSHAL_ACTION_CONV_OUT: {
6909 /* no resource release required */
6913 case MARSHAL_ACTION_CONV_RESULT: {
6914 char *msg = g_strdup ("HandleRefs can not be returned from unmanaged code (or passed by ref)");
6915 mono_mb_emit_exception_marshal_directive (mb, msg);
6919 case MARSHAL_ACTION_MANAGED_CONV_IN:
6920 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_IN\n");
6923 case MARSHAL_ACTION_MANAGED_CONV_OUT:
6924 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_OUT\n");
6927 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
6928 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_RESULT\n");
6931 fprintf (stderr, "Unhandled case for MarshalAction: %d\n", action);
6939 emit_marshal_object (EmitMarshalContext *m, int argnum, MonoType *t,
6940 MonoMarshalSpec *spec,
6941 int conv_arg, MonoType **conv_arg_type,
6942 MarshalAction action)
6945 if (action == MARSHAL_ACTION_CONV_IN)
6946 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6948 MonoMethodBuilder *mb = m->mb;
6949 MonoClass *klass = mono_class_from_mono_type (t);
6953 case MARSHAL_ACTION_CONV_IN:
6954 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6955 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6957 m->orig_conv_args [argnum] = 0;
6959 if (mono_class_from_mono_type (t) == mono_defaults.object_class) {
6960 char *msg = g_strdup_printf ("Marshalling of type object is not implemented");
6961 mono_mb_emit_exception_marshal_directive (mb, msg);
6965 if (klass->delegate) {
6967 if (!(t->attrs & PARAM_ATTRIBUTE_OUT)) {
6968 char *msg = g_strdup_printf ("Byref marshalling of delegates is not implemented.");
6969 mono_mb_emit_exception_marshal_directive (mb, msg);
6971 mono_mb_emit_byte (mb, CEE_LDNULL);
6972 mono_mb_emit_stloc (mb, conv_arg);
6974 mono_mb_emit_ldarg (mb, argnum);
6975 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_DEL_FTN));
6976 mono_mb_emit_stloc (mb, conv_arg);
6978 } else if (klass == mono_defaults.stringbuilder_class) {
6979 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
6980 MonoMarshalConv conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
6984 if (!(t->attrs & PARAM_ATTRIBUTE_OUT)) {
6985 char *msg = g_strdup_printf ("Byref marshalling of stringbuilders is not implemented.");
6986 mono_mb_emit_exception_marshal_directive (mb, msg);
6992 if (t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && (t->attrs & PARAM_ATTRIBUTE_OUT))
6996 char *msg = g_strdup_printf ("stringbuilder marshalling conversion %d not implemented", encoding);
6997 mono_mb_emit_exception_marshal_directive (mb, msg);
7001 mono_mb_emit_ldarg (mb, argnum);
7003 mono_mb_emit_byte (mb, CEE_LDIND_I);
7005 mono_mb_emit_icall (mb, conv_to_icall (conv));
7006 mono_mb_emit_stloc (mb, conv_arg);
7007 } else if (klass->blittable) {
7008 mono_mb_emit_byte (mb, CEE_LDNULL);
7009 mono_mb_emit_stloc (mb, conv_arg);
7011 mono_mb_emit_ldarg (mb, argnum);
7012 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
7014 mono_mb_emit_ldarg (mb, argnum);
7015 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
7016 mono_mb_emit_stloc (mb, conv_arg);
7018 mono_mb_patch_branch (mb, pos);
7021 mono_mb_emit_byte (mb, CEE_LDNULL);
7022 mono_mb_emit_stloc (mb, conv_arg);
7025 /* we dont need any conversions for out parameters */
7026 if (t->attrs & PARAM_ATTRIBUTE_OUT)
7029 mono_mb_emit_ldarg (mb, argnum);
7030 mono_mb_emit_byte (mb, CEE_LDIND_I);
7033 mono_mb_emit_ldarg (mb, argnum);
7034 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
7035 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
7038 /* store the address of the source into local variable 0 */
7039 mono_mb_emit_stloc (mb, 0);
7040 mono_mb_emit_ldloc (mb, 0);
7041 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
7043 /* allocate space for the native struct and store the address */
7044 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
7045 mono_mb_emit_byte (mb, CEE_PREFIX1);
7046 mono_mb_emit_byte (mb, CEE_LOCALLOC);
7047 mono_mb_emit_stloc (mb, conv_arg);
7050 /* Need to store the original buffer so we can free it later */
7051 m->orig_conv_args [argnum] = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7052 mono_mb_emit_ldloc (mb, conv_arg);
7053 mono_mb_emit_stloc (mb, m->orig_conv_args [argnum]);
7056 /* set the src_ptr */
7057 mono_mb_emit_ldloc (mb, 0);
7058 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
7059 mono_mb_emit_stloc (mb, 0);
7062 mono_mb_emit_ldloc (mb, conv_arg);
7063 mono_mb_emit_stloc (mb, 1);
7065 /* emit valuetype conversion code */
7066 emit_struct_conv (mb, klass, FALSE);
7068 mono_mb_patch_branch (mb, pos);
7072 case MARSHAL_ACTION_CONV_OUT:
7073 if (klass == mono_defaults.stringbuilder_class) {
7075 MonoMarshalNative encoding;
7076 MonoMarshalConv conv;
7078 encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
7079 conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free);
7081 g_assert (encoding != -1);
7084 //g_assert (!(t->attrs & PARAM_ATTRIBUTE_OUT));
7088 mono_mb_emit_ldarg (mb, argnum);
7089 mono_mb_emit_ldloc (mb, conv_arg);
7092 case MONO_NATIVE_LPWSTR:
7093 mono_mb_emit_icall (mb, mono_string_utf16_to_builder2);
7095 case MONO_NATIVE_LPSTR:
7096 mono_mb_emit_icall (mb, mono_string_utf8_to_builder2);
7099 g_assert_not_reached ();
7102 mono_mb_emit_byte (mb, CEE_STIND_REF);
7104 mono_mb_emit_ldarg (mb, argnum);
7105 mono_mb_emit_ldloc (mb, conv_arg);
7107 mono_mb_emit_icall (mb, conv_to_icall (conv));
7111 mono_mb_emit_ldloc (mb, conv_arg);
7112 mono_mb_emit_icall (mb, mono_marshal_free);
7117 if (klass->delegate) {
7119 mono_mb_emit_ldarg (mb, argnum);
7120 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
7121 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
7122 mono_mb_emit_ldloc (mb, conv_arg);
7123 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_FTN_DEL));
7124 mono_mb_emit_byte (mb, CEE_STIND_REF);
7129 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT)) {
7130 /* allocate a new object */
7131 mono_mb_emit_ldarg (mb, argnum);
7132 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
7133 mono_mb_emit_op (mb, CEE_MONO_NEWOBJ, klass);
7134 mono_mb_emit_byte (mb, CEE_STIND_REF);
7137 /* dst = *argument */
7138 mono_mb_emit_ldarg (mb, argnum);
7141 mono_mb_emit_byte (mb, CEE_LDIND_I);
7143 mono_mb_emit_stloc (mb, 1);
7145 mono_mb_emit_ldloc (mb, 1);
7146 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
7148 if (t->byref || (t->attrs & PARAM_ATTRIBUTE_OUT)) {
7149 mono_mb_emit_ldloc (mb, 1);
7150 mono_mb_emit_icon (mb, sizeof (MonoObject));
7151 mono_mb_emit_byte (mb, CEE_ADD);
7152 mono_mb_emit_stloc (mb, 1);
7154 /* src = tmp_locals [i] */
7155 mono_mb_emit_ldloc (mb, conv_arg);
7156 mono_mb_emit_stloc (mb, 0);
7158 /* emit valuetype conversion code */
7159 emit_struct_conv (mb, klass, TRUE);
7161 /* Free the structure returned by the native code */
7162 emit_struct_free (mb, klass, conv_arg);
7164 if (m->orig_conv_args [argnum]) {
7166 * If the native function changed the pointer, then free
7167 * the original structure plus the new pointer.
7169 mono_mb_emit_ldloc (mb, m->orig_conv_args [argnum]);
7170 mono_mb_emit_ldloc (mb, conv_arg);
7171 pos2 = mono_mb_emit_branch (mb, CEE_BEQ);
7173 if (!(t->attrs & PARAM_ATTRIBUTE_OUT)) {
7174 g_assert (m->orig_conv_args [argnum]);
7176 emit_struct_free (mb, klass, m->orig_conv_args [argnum]);
7179 mono_mb_emit_ldloc (mb, conv_arg);
7180 mono_mb_emit_icall (mb, mono_marshal_free);
7182 mono_mb_patch_branch (mb, pos2);
7186 /* Free the original structure passed to native code */
7187 emit_struct_free (mb, klass, conv_arg);
7189 mono_mb_patch_branch (mb, pos);
7192 case MARSHAL_ACTION_PUSH:
7194 mono_mb_emit_ldloc_addr (mb, conv_arg);
7196 mono_mb_emit_ldloc (mb, conv_arg);
7199 case MARSHAL_ACTION_CONV_RESULT:
7200 if (klass->delegate) {
7201 g_assert (!t->byref);
7202 mono_mb_emit_stloc (mb, 0);
7203 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
7204 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
7205 mono_mb_emit_ldloc (mb, 0);
7206 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_FTN_DEL));
7207 mono_mb_emit_stloc (mb, 3);
7210 mono_mb_emit_stloc (mb, 0);
7212 /* Make a copy since emit_conv modifies local 0 */
7213 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7214 mono_mb_emit_ldloc (mb, 0);
7215 mono_mb_emit_stloc (mb, loc);
7217 mono_mb_emit_byte (mb, CEE_LDNULL);
7218 mono_mb_emit_stloc (mb, 3);
7220 mono_mb_emit_ldloc (mb, 0);
7221 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
7223 /* allocate result object */
7225 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
7226 mono_mb_emit_op (mb, CEE_MONO_NEWOBJ, klass);
7227 mono_mb_emit_stloc (mb, 3);
7231 mono_mb_emit_ldloc (mb, 3);
7232 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
7233 mono_mb_emit_stloc (mb, 1);
7235 /* emit conversion code */
7236 emit_struct_conv (mb, klass, TRUE);
7238 emit_struct_free (mb, klass, loc);
7240 /* Free the pointer allocated by unmanaged code */
7241 mono_mb_emit_ldloc (mb, loc);
7242 mono_mb_emit_icall (mb, mono_marshal_free);
7243 mono_mb_patch_branch (mb, pos);
7247 case MARSHAL_ACTION_MANAGED_CONV_IN:
7248 conv_arg = mono_mb_add_local (mb, &klass->byval_arg);
7250 if (klass->delegate) {
7251 g_assert (!t->byref);
7252 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
7253 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
7254 mono_mb_emit_ldarg (mb, argnum);
7255 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_FTN_DEL));
7256 mono_mb_emit_stloc (mb, conv_arg);
7260 if (klass == mono_defaults.stringbuilder_class) {
7261 MonoMarshalNative encoding;
7263 encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
7266 g_assert (encoding == MONO_NATIVE_LPSTR);
7268 g_assert (!t->byref);
7269 g_assert (encoding != -1);
7271 mono_mb_emit_ldarg (mb, argnum);
7272 mono_mb_emit_icall (mb, mono_string_utf8_to_builder2);
7273 mono_mb_emit_stloc (mb, conv_arg);
7277 /* The class can not have an automatic layout */
7278 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
7279 mono_mb_emit_auto_layout_exception (mb, klass);
7283 if (t->attrs & PARAM_ATTRIBUTE_OUT) {
7284 mono_mb_emit_byte (mb, CEE_LDNULL);
7285 mono_mb_emit_stloc (mb, conv_arg);
7290 mono_mb_emit_ldarg (mb, argnum);
7294 /* Check for NULL and raise an exception */
7295 pos2 = mono_mb_emit_branch (mb, CEE_BRTRUE);
7297 mono_mb_emit_exception (mb, "ArgumentNullException", NULL);
7299 mono_mb_patch_branch (mb, pos2);
7300 mono_mb_emit_ldarg (mb, argnum);
7301 mono_mb_emit_byte (mb, CEE_LDIND_I);
7304 mono_mb_emit_stloc (mb, 0);
7306 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7307 mono_mb_emit_stloc (mb, conv_arg);
7309 mono_mb_emit_ldloc (mb, 0);
7310 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
7312 /* Create and set dst */
7313 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
7314 mono_mb_emit_op (mb, CEE_MONO_NEWOBJ, klass);
7315 mono_mb_emit_stloc (mb, conv_arg);
7316 mono_mb_emit_ldloc (mb, conv_arg);
7317 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
7318 mono_mb_emit_stloc (mb, 1);
7320 /* emit valuetype conversion code */
7321 emit_struct_conv (mb, klass, TRUE);
7323 mono_mb_patch_branch (mb, pos);
7326 case MARSHAL_ACTION_MANAGED_CONV_OUT:
7328 /* Check for null */
7329 mono_mb_emit_ldloc (mb, conv_arg);
7330 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
7331 mono_mb_emit_ldarg (mb, argnum);
7332 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7333 mono_mb_emit_byte (mb, CEE_STIND_REF);
7334 pos2 = mono_mb_emit_branch (mb, CEE_BR);
7336 mono_mb_patch_branch (mb, pos);
7339 mono_mb_emit_ldloc (mb, conv_arg);
7340 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
7341 mono_mb_emit_stloc (mb, 0);
7343 /* Allocate and set dest */
7344 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
7345 mono_mb_emit_byte (mb, CEE_CONV_I);
7346 mono_mb_emit_icall (mb, mono_marshal_alloc);
7347 mono_mb_emit_stloc (mb, 1);
7349 /* Update argument pointer */
7350 mono_mb_emit_ldarg (mb, argnum);
7351 mono_mb_emit_ldloc (mb, 1);
7352 mono_mb_emit_byte (mb, CEE_STIND_I);
7354 /* emit valuetype conversion code */
7355 emit_struct_conv (mb, klass, FALSE);
7357 mono_mb_patch_branch (mb, pos2);
7359 /* byval [Out] marshalling */
7361 /* FIXME: Handle null */
7364 mono_mb_emit_ldloc (mb, conv_arg);
7365 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
7366 mono_mb_emit_stloc (mb, 0);
7369 mono_mb_emit_ldarg (mb, argnum);
7370 mono_mb_emit_stloc (mb, 1);
7372 /* emit valuetype conversion code */
7373 emit_struct_conv (mb, klass, FALSE);
7377 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
7378 if (klass->delegate) {
7379 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_DEL_FTN));
7380 mono_mb_emit_stloc (mb, 3);
7384 /* The class can not have an automatic layout */
7385 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
7386 mono_mb_emit_auto_layout_exception (mb, klass);
7390 mono_mb_emit_stloc (mb, 0);
7391 /* Check for null */
7392 mono_mb_emit_ldloc (mb, 0);
7393 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
7394 mono_mb_emit_byte (mb, CEE_LDNULL);
7395 mono_mb_emit_stloc (mb, 3);
7396 pos2 = mono_mb_emit_branch (mb, CEE_BR);
7398 mono_mb_patch_branch (mb, pos);
7401 mono_mb_emit_ldloc (mb, 0);
7402 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
7403 mono_mb_emit_stloc (mb, 0);
7405 /* Allocate and set dest */
7406 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
7407 mono_mb_emit_byte (mb, CEE_CONV_I);
7408 mono_mb_emit_icall (mb, mono_marshal_alloc);
7409 mono_mb_emit_byte (mb, CEE_DUP);
7410 mono_mb_emit_stloc (mb, 1);
7411 mono_mb_emit_stloc (mb, 3);
7413 emit_struct_conv (mb, klass, FALSE);
7415 mono_mb_patch_branch (mb, pos2);
7419 g_assert_not_reached ();
7430 emit_marshal_variant (EmitMarshalContext *m, int argnum, MonoType *t,
7431 MonoMarshalSpec *spec,
7432 int conv_arg, MonoType **conv_arg_type,
7433 MarshalAction action)
7435 MonoMethodBuilder *mb = m->mb;
7436 static MonoMethod *get_object_for_native_variant = NULL;
7437 static MonoMethod *get_native_variant_for_object = NULL;
7439 if (!get_object_for_native_variant)
7440 get_object_for_native_variant = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetObjectForNativeVariant", 1);
7441 g_assert (get_object_for_native_variant);
7443 if (!get_native_variant_for_object)
7444 get_native_variant_for_object = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetNativeVariantForObject", 2);
7445 g_assert (get_native_variant_for_object);
7448 case MARSHAL_ACTION_CONV_IN: {
7449 conv_arg = mono_mb_add_local (mb, &mono_class_get_variant_class ()->byval_arg);
7452 *conv_arg_type = &mono_class_get_variant_class ()->this_arg;
7454 *conv_arg_type = &mono_class_get_variant_class ()->byval_arg;
7456 if (t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && t->attrs & PARAM_ATTRIBUTE_OUT)
7459 mono_mb_emit_ldarg (mb, argnum);
7461 mono_mb_emit_byte(mb, CEE_LDIND_REF);
7462 mono_mb_emit_ldloc_addr (mb, conv_arg);
7463 mono_mb_emit_managed_call (mb, get_native_variant_for_object, NULL);
7467 case MARSHAL_ACTION_CONV_OUT: {
7468 static MonoMethod *variant_clear = NULL;
7471 variant_clear = mono_class_get_method_from_name (mono_class_get_variant_class (), "Clear", 0);
7472 g_assert (variant_clear);
7475 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT || !(t->attrs & PARAM_ATTRIBUTE_IN))) {
7476 mono_mb_emit_ldarg (mb, argnum);
7477 mono_mb_emit_ldloc_addr (mb, conv_arg);
7478 mono_mb_emit_managed_call (mb, get_object_for_native_variant, NULL);
7479 mono_mb_emit_byte (mb, CEE_STIND_REF);
7482 mono_mb_emit_ldloc_addr (mb, conv_arg);
7483 mono_mb_emit_managed_call (mb, variant_clear, NULL);
7487 case MARSHAL_ACTION_PUSH:
7489 mono_mb_emit_ldloc_addr (mb, conv_arg);
7491 mono_mb_emit_ldloc (mb, conv_arg);
7494 case MARSHAL_ACTION_CONV_RESULT: {
7495 char *msg = g_strdup ("Marshalling of VARIANT not supported as a return type.");
7496 mono_mb_emit_exception_marshal_directive (mb, msg);
7500 case MARSHAL_ACTION_MANAGED_CONV_IN: {
7501 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
7504 *conv_arg_type = &mono_class_get_variant_class ()->this_arg;
7506 *conv_arg_type = &mono_class_get_variant_class ()->byval_arg;
7508 if (t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && t->attrs & PARAM_ATTRIBUTE_OUT)
7512 mono_mb_emit_ldarg (mb, argnum);
7514 mono_mb_emit_ldarg_addr (mb, argnum);
7515 mono_mb_emit_managed_call (mb, get_object_for_native_variant, NULL);
7516 mono_mb_emit_stloc (mb, conv_arg);
7520 case MARSHAL_ACTION_MANAGED_CONV_OUT: {
7521 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT || !(t->attrs & PARAM_ATTRIBUTE_IN))) {
7522 mono_mb_emit_ldloc (mb, conv_arg);
7523 mono_mb_emit_ldarg (mb, argnum);
7524 mono_mb_emit_managed_call (mb, get_native_variant_for_object, NULL);
7529 case MARSHAL_ACTION_MANAGED_CONV_RESULT: {
7530 char *msg = g_strdup ("Marshalling of VARIANT not supported as a return type.");
7531 mono_mb_emit_exception_marshal_directive (mb, msg);
7536 g_assert_not_reached ();
7542 #endif /* DISABLE_COM */
7543 #endif /* DISABLE_JIT */
7546 mono_pinvoke_is_unicode (MonoMethodPInvoke *piinfo)
7548 switch (piinfo->piflags & PINVOKE_ATTRIBUTE_CHAR_SET_MASK) {
7549 case PINVOKE_ATTRIBUTE_CHAR_SET_ANSI:
7551 case PINVOKE_ATTRIBUTE_CHAR_SET_UNICODE:
7553 case PINVOKE_ATTRIBUTE_CHAR_SET_AUTO:
7565 emit_marshal_array (EmitMarshalContext *m, int argnum, MonoType *t,
7566 MonoMarshalSpec *spec,
7567 int conv_arg, MonoType **conv_arg_type,
7568 MarshalAction action)
7572 case MARSHAL_ACTION_CONV_IN:
7573 *conv_arg_type = &mono_defaults.object_class->byval_arg;
7575 case MARSHAL_ACTION_MANAGED_CONV_IN:
7576 *conv_arg_type = &mono_defaults.int_class->byval_arg;
7580 MonoMethodBuilder *mb = m->mb;
7581 MonoClass *klass = mono_class_from_mono_type (t);
7582 gboolean need_convert, need_free;
7583 MonoMarshalNative encoding;
7585 encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
7588 case MARSHAL_ACTION_CONV_IN:
7589 *conv_arg_type = &mono_defaults.object_class->byval_arg;
7590 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
7592 if (klass->element_class->blittable) {
7593 mono_mb_emit_ldarg (mb, argnum);
7595 mono_mb_emit_byte (mb, CEE_LDIND_I);
7596 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_ARRAY_LPARRAY));
7597 mono_mb_emit_stloc (mb, conv_arg);
7600 guint32 label1, label2, label3;
7601 int index_var, src_var, dest_ptr, esize;
7602 MonoMarshalConv conv;
7603 gboolean is_string = FALSE;
7605 dest_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7607 eklass = klass->element_class;
7609 if (eklass == mono_defaults.string_class) {
7611 conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
7613 else if (eklass == mono_defaults.stringbuilder_class) {
7615 conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
7620 if (is_string && conv == -1) {
7621 char *msg = g_strdup_printf ("string/stringbuilder marshalling conversion %d not implemented", encoding);
7622 mono_mb_emit_exception_marshal_directive (mb, msg);
7626 src_var = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
7627 mono_mb_emit_ldarg (mb, argnum);
7629 mono_mb_emit_byte (mb, CEE_LDIND_I);
7630 mono_mb_emit_stloc (mb, src_var);
7633 mono_mb_emit_ldloc (mb, src_var);
7634 mono_mb_emit_stloc (mb, conv_arg);
7635 mono_mb_emit_ldloc (mb, src_var);
7636 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
7639 esize = sizeof (gpointer);
7640 else if (eklass == mono_defaults.char_class) /*can't call mono_marshal_type_size since it causes all sorts of asserts*/
7641 esize = mono_pinvoke_is_unicode (m->piinfo) ? 2 : 1;
7643 esize = mono_class_native_size (eklass, NULL);
7645 /* allocate space for the native struct and store the address */
7646 mono_mb_emit_icon (mb, esize);
7647 mono_mb_emit_ldloc (mb, src_var);
7648 mono_mb_emit_byte (mb, CEE_LDLEN);
7650 if (eklass == mono_defaults.string_class) {
7651 /* Make the array bigger for the terminating null */
7652 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
7653 mono_mb_emit_byte (mb, CEE_ADD);
7655 mono_mb_emit_byte (mb, CEE_MUL);
7656 mono_mb_emit_byte (mb, CEE_PREFIX1);
7657 mono_mb_emit_byte (mb, CEE_LOCALLOC);
7658 mono_mb_emit_stloc (mb, conv_arg);
7660 mono_mb_emit_ldloc (mb, conv_arg);
7661 mono_mb_emit_stloc (mb, dest_ptr);
7663 /* Emit marshalling loop */
7664 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7665 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7666 mono_mb_emit_stloc (mb, index_var);
7667 label2 = mono_mb_get_label (mb);
7668 mono_mb_emit_ldloc (mb, index_var);
7669 mono_mb_emit_ldloc (mb, src_var);
7670 mono_mb_emit_byte (mb, CEE_LDLEN);
7671 label3 = mono_mb_emit_branch (mb, CEE_BGE);
7673 /* Emit marshalling code */
7676 mono_mb_emit_ldloc (mb, dest_ptr);
7677 mono_mb_emit_ldloc (mb, src_var);
7678 mono_mb_emit_ldloc (mb, index_var);
7679 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
7680 mono_mb_emit_icall (mb, conv_to_icall (conv));
7681 mono_mb_emit_byte (mb, CEE_STIND_I);
7683 /* set the src_ptr */
7684 mono_mb_emit_ldloc (mb, src_var);
7685 mono_mb_emit_ldloc (mb, index_var);
7686 mono_mb_emit_op (mb, CEE_LDELEMA, eklass);
7687 mono_mb_emit_stloc (mb, 0);
7690 mono_mb_emit_ldloc (mb, dest_ptr);
7691 mono_mb_emit_stloc (mb, 1);
7693 /* emit valuetype conversion code */
7694 emit_struct_conv_full (mb, eklass, FALSE, eklass == mono_defaults.char_class ? encoding : -1);
7697 mono_mb_emit_add_to_local (mb, index_var, 1);
7698 mono_mb_emit_add_to_local (mb, dest_ptr, esize);
7700 mono_mb_emit_branch_label (mb, CEE_BR, label2);
7702 mono_mb_patch_branch (mb, label3);
7704 if (eklass == mono_defaults.string_class) {
7705 /* Null terminate */
7706 mono_mb_emit_ldloc (mb, dest_ptr);
7707 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7708 mono_mb_emit_byte (mb, CEE_STIND_REF);
7711 mono_mb_patch_branch (mb, label1);
7716 case MARSHAL_ACTION_CONV_OUT:
7717 /* Unicode character arrays are implicitly marshalled as [Out] under MS.NET */
7718 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);
7719 need_free = mono_marshal_need_free (&klass->element_class->byval_arg,
7722 if (need_convert || need_free) {
7723 /* FIXME: Optimize blittable case */
7725 guint32 label1, label2, label3;
7726 int index_var, src_ptr, loc, esize;
7728 eklass = klass->element_class;
7729 if ((eklass == mono_defaults.stringbuilder_class) || (eklass == mono_defaults.string_class))
7730 esize = sizeof (gpointer);
7731 else if (eklass == mono_defaults.char_class)
7732 esize = mono_pinvoke_is_unicode (m->piinfo) ? 2 : 1;
7734 esize = mono_class_native_size (eklass, NULL);
7735 src_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7736 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7739 mono_mb_emit_ldarg (mb, argnum);
7741 mono_mb_emit_byte (mb, CEE_LDIND_I);
7742 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
7744 mono_mb_emit_ldloc (mb, conv_arg);
7745 mono_mb_emit_stloc (mb, src_ptr);
7747 /* Emit marshalling loop */
7748 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7749 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7750 mono_mb_emit_stloc (mb, index_var);
7751 label2 = mono_mb_get_label (mb);
7752 mono_mb_emit_ldloc (mb, index_var);
7753 mono_mb_emit_ldarg (mb, argnum);
7755 mono_mb_emit_byte (mb, CEE_LDIND_REF);
7756 mono_mb_emit_byte (mb, CEE_LDLEN);
7757 label3 = mono_mb_emit_branch (mb, CEE_BGE);
7759 /* Emit marshalling code */
7761 if (eklass == mono_defaults.stringbuilder_class) {
7762 gboolean need_free2;
7763 MonoMarshalConv conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free2);
7765 g_assert (conv != -1);
7768 mono_mb_emit_ldarg (mb, argnum);
7770 mono_mb_emit_byte (mb, CEE_LDIND_I);
7771 mono_mb_emit_ldloc (mb, index_var);
7772 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
7775 mono_mb_emit_ldloc (mb, src_ptr);
7776 mono_mb_emit_byte (mb, CEE_LDIND_I);
7778 mono_mb_emit_icall (mb, conv_to_icall (conv));
7782 mono_mb_emit_ldloc (mb, src_ptr);
7783 mono_mb_emit_byte (mb, CEE_LDIND_I);
7785 mono_mb_emit_icall (mb, mono_marshal_free);
7788 else if (eklass == mono_defaults.string_class) {
7791 mono_mb_emit_ldloc (mb, src_ptr);
7792 mono_mb_emit_byte (mb, CEE_LDIND_I);
7794 mono_mb_emit_icall (mb, mono_marshal_free);
7799 /* set the src_ptr */
7800 mono_mb_emit_ldloc (mb, src_ptr);
7801 mono_mb_emit_stloc (mb, 0);
7804 mono_mb_emit_ldarg (mb, argnum);
7806 mono_mb_emit_byte (mb, CEE_LDIND_REF);
7807 mono_mb_emit_ldloc (mb, index_var);
7808 mono_mb_emit_op (mb, CEE_LDELEMA, eklass);
7809 mono_mb_emit_stloc (mb, 1);
7811 /* emit valuetype conversion code */
7812 emit_struct_conv_full (mb, eklass, TRUE, eklass == mono_defaults.char_class ? encoding : -1);
7816 mono_mb_emit_ldloc (mb, src_ptr);
7817 mono_mb_emit_stloc (mb, loc);
7818 mono_mb_emit_ldloc (mb, loc);
7820 emit_struct_free (mb, eklass, loc);
7824 mono_mb_emit_add_to_local (mb, index_var, 1);
7825 mono_mb_emit_add_to_local (mb, src_ptr, esize);
7827 mono_mb_emit_branch_label (mb, CEE_BR, label2);
7829 mono_mb_patch_branch (mb, label1);
7830 mono_mb_patch_branch (mb, label3);
7833 if (klass->element_class->blittable) {
7834 /* free memory allocated (if any) by MONO_MARSHAL_CONV_ARRAY_LPARRAY */
7836 mono_mb_emit_ldarg (mb, argnum);
7837 mono_mb_emit_ldloc (mb, conv_arg);
7838 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_FREE_LPARRAY));
7843 case MARSHAL_ACTION_PUSH:
7845 mono_mb_emit_ldloc_addr (mb, conv_arg);
7847 mono_mb_emit_ldloc (mb, conv_arg);
7850 case MARSHAL_ACTION_CONV_RESULT:
7851 /* fixme: we need conversions here */
7852 mono_mb_emit_stloc (mb, 3);
7855 case MARSHAL_ACTION_MANAGED_CONV_IN: {
7857 guint32 label1, label2, label3;
7858 int index_var, src_ptr, loc, esize, param_num, num_elem;
7859 MonoMarshalConv conv;
7860 gboolean is_string = FALSE;
7862 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
7863 *conv_arg_type = &mono_defaults.int_class->byval_arg;
7866 char *msg = g_strdup ("Byref array marshalling to managed code is not implemented.");
7867 mono_mb_emit_exception_marshal_directive (mb, msg);
7871 char *msg = g_strdup ("[MarshalAs] attribute required to marshal arrays to managed code.");
7872 mono_mb_emit_exception_marshal_directive (mb, msg);
7875 if (spec->native != MONO_NATIVE_LPARRAY) {
7876 char *msg = g_strdup ("Non LPArray marshalling of arrays to managed code is not implemented.");
7877 mono_mb_emit_exception_marshal_directive (mb, msg);
7881 /* FIXME: t is from the method which is wrapped, not the delegate type */
7882 /* g_assert (t->attrs & PARAM_ATTRIBUTE_IN); */
7884 param_num = spec->data.array_data.param_num;
7885 num_elem = spec->data.array_data.num_elem;
7886 if (spec->data.array_data.elem_mult == 0)
7887 /* param_num is not specified */
7890 if (param_num == -1) {
7891 if (num_elem <= 0) {
7892 char *msg = g_strdup ("Either SizeConst or SizeParamIndex should be specified when marshalling arrays to managed code.");
7893 mono_mb_emit_exception_marshal_directive (mb, msg);
7898 /* FIXME: Optimize blittable case */
7900 eklass = klass->element_class;
7901 if (eklass == mono_defaults.string_class) {
7903 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
7905 else if (eklass == mono_defaults.stringbuilder_class) {
7907 conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free);
7912 mono_marshal_load_type_info (eklass);
7915 esize = sizeof (gpointer);
7917 esize = mono_class_native_size (eklass, NULL);
7918 src_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7919 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7921 mono_mb_emit_byte (mb, CEE_LDNULL);
7922 mono_mb_emit_stloc (mb, conv_arg);
7924 /* Check param index */
7925 if (param_num != -1) {
7926 if (param_num >= m->sig->param_count) {
7927 char *msg = g_strdup ("Array size control parameter index is out of range.");
7928 mono_mb_emit_exception_marshal_directive (mb, msg);
7931 switch (m->sig->params [param_num]->type) {
7944 char *msg = g_strdup ("Array size control parameter must be an integral type.");
7945 mono_mb_emit_exception_marshal_directive (mb, msg);
7952 mono_mb_emit_ldarg (mb, argnum);
7953 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
7955 mono_mb_emit_ldarg (mb, argnum);
7956 mono_mb_emit_stloc (mb, src_ptr);
7958 /* Create managed array */
7960 * The LPArray marshalling spec says that sometimes param_num starts
7961 * from 1, sometimes it starts from 0. But MS seems to allways start
7965 if (param_num == -1) {
7966 mono_mb_emit_icon (mb, num_elem);
7968 mono_mb_emit_ldarg (mb, param_num);
7970 mono_mb_emit_icon (mb, num_elem);
7971 mono_mb_emit_byte (mb, CEE_ADD);
7973 mono_mb_emit_byte (mb, CEE_CONV_OVF_I);
7976 mono_mb_emit_op (mb, CEE_NEWARR, eklass);
7977 mono_mb_emit_stloc (mb, conv_arg);
7979 if (eklass->blittable) {
7980 mono_mb_emit_ldloc (mb, conv_arg);
7981 mono_mb_emit_byte (mb, CEE_CONV_I);
7982 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArray, vector));
7983 mono_mb_emit_byte (mb, CEE_ADD);
7984 mono_mb_emit_ldarg (mb, argnum);
7985 mono_mb_emit_ldloc (mb, conv_arg);
7986 mono_mb_emit_byte (mb, CEE_LDLEN);
7987 mono_mb_emit_icon (mb, esize);
7988 mono_mb_emit_byte (mb, CEE_MUL);
7989 mono_mb_emit_byte (mb, CEE_PREFIX1);
7990 mono_mb_emit_byte (mb, CEE_CPBLK);
7994 /* Emit marshalling loop */
7995 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7996 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7997 mono_mb_emit_stloc (mb, index_var);
7998 label2 = mono_mb_get_label (mb);
7999 mono_mb_emit_ldloc (mb, index_var);
8000 mono_mb_emit_ldloc (mb, conv_arg);
8001 mono_mb_emit_byte (mb, CEE_LDLEN);
8002 label3 = mono_mb_emit_branch (mb, CEE_BGE);
8004 /* Emit marshalling code */
8006 g_assert (conv != -1);
8008 mono_mb_emit_ldloc (mb, conv_arg);
8009 mono_mb_emit_ldloc (mb, index_var);
8011 mono_mb_emit_ldloc (mb, src_ptr);
8012 mono_mb_emit_byte (mb, CEE_LDIND_I);
8014 mono_mb_emit_icall (mb, conv_to_icall (conv));
8015 mono_mb_emit_byte (mb, CEE_STELEM_REF);
8018 char *msg = g_strdup ("Marshalling of non-string and non-blittable arrays to managed code is not implemented.");
8019 mono_mb_emit_exception_marshal_directive (mb, msg);
8023 mono_mb_emit_add_to_local (mb, index_var, 1);
8024 mono_mb_emit_add_to_local (mb, src_ptr, esize);
8026 mono_mb_emit_branch_label (mb, CEE_BR, label2);
8028 mono_mb_patch_branch (mb, label1);
8029 mono_mb_patch_branch (mb, label3);
8033 case MARSHAL_ACTION_MANAGED_CONV_OUT: {
8035 guint32 label1, label2, label3;
8036 int index_var, dest_ptr, loc, esize, param_num, num_elem;
8037 MonoMarshalConv conv;
8038 gboolean is_string = FALSE;
8041 /* Already handled in CONV_IN */
8044 /* These are already checked in CONV_IN */
8045 g_assert (!t->byref);
8046 g_assert (spec->native == MONO_NATIVE_LPARRAY);
8047 g_assert (t->attrs & PARAM_ATTRIBUTE_OUT);
8049 param_num = spec->data.array_data.param_num;
8050 num_elem = spec->data.array_data.num_elem;
8052 if (spec->data.array_data.elem_mult == 0)
8053 /* param_num is not specified */
8056 if (param_num == -1) {
8057 if (num_elem <= 0) {
8058 g_assert_not_reached ();
8062 /* FIXME: Optimize blittable case */
8064 eklass = klass->element_class;
8065 if (eklass == mono_defaults.string_class) {
8067 conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
8069 else if (eklass == mono_defaults.stringbuilder_class) {
8071 conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
8076 mono_marshal_load_type_info (eklass);
8079 esize = sizeof (gpointer);
8081 esize = mono_class_native_size (eklass, NULL);
8083 dest_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8084 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8087 mono_mb_emit_ldloc (mb, conv_arg);
8088 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
8090 mono_mb_emit_ldarg (mb, argnum);
8091 mono_mb_emit_stloc (mb, dest_ptr);
8093 if (eklass->blittable) {
8095 mono_mb_emit_ldarg (mb, argnum);
8097 mono_mb_emit_ldloc (mb, conv_arg);
8098 mono_mb_emit_byte (mb, CEE_CONV_I);
8099 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArray, vector));
8100 mono_mb_emit_byte (mb, CEE_ADD);
8102 mono_mb_emit_ldloc (mb, conv_arg);
8103 mono_mb_emit_byte (mb, CEE_LDLEN);
8104 mono_mb_emit_icon (mb, esize);
8105 mono_mb_emit_byte (mb, CEE_MUL);
8106 mono_mb_emit_byte (mb, CEE_PREFIX1);
8107 mono_mb_emit_byte (mb, CEE_CPBLK);
8111 /* Emit marshalling loop */
8112 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8113 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
8114 mono_mb_emit_stloc (mb, index_var);
8115 label2 = mono_mb_get_label (mb);
8116 mono_mb_emit_ldloc (mb, index_var);
8117 mono_mb_emit_ldloc (mb, conv_arg);
8118 mono_mb_emit_byte (mb, CEE_LDLEN);
8119 label3 = mono_mb_emit_branch (mb, CEE_BGE);
8121 /* Emit marshalling code */
8123 g_assert (conv != -1);
8126 mono_mb_emit_ldloc (mb, dest_ptr);
8129 mono_mb_emit_ldloc (mb, conv_arg);
8130 mono_mb_emit_ldloc (mb, index_var);
8132 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
8134 mono_mb_emit_icall (mb, conv_to_icall (conv));
8135 mono_mb_emit_byte (mb, CEE_STIND_I);
8138 char *msg = g_strdup ("Marshalling of non-string and non-blittable arrays to managed code is not implemented.");
8139 mono_mb_emit_exception_marshal_directive (mb, msg);
8143 mono_mb_emit_add_to_local (mb, index_var, 1);
8144 mono_mb_emit_add_to_local (mb, dest_ptr, esize);
8146 mono_mb_emit_branch_label (mb, CEE_BR, label2);
8148 mono_mb_patch_branch (mb, label1);
8149 mono_mb_patch_branch (mb, label3);
8153 case MARSHAL_ACTION_MANAGED_CONV_RESULT: {
8155 guint32 label1, label2, label3;
8156 int index_var, src, dest, esize;
8157 MonoMarshalConv conv = -1;
8158 gboolean is_string = FALSE;
8160 g_assert (!t->byref);
8162 eklass = klass->element_class;
8164 mono_marshal_load_type_info (eklass);
8166 if (eklass == mono_defaults.string_class) {
8168 conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
8171 g_assert_not_reached ();
8175 esize = sizeof (gpointer);
8176 else if (eklass == mono_defaults.char_class)
8177 esize = mono_pinvoke_is_unicode (m->piinfo) ? 2 : 1;
8179 esize = mono_class_native_size (eklass, NULL);
8181 src = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
8182 dest = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8184 mono_mb_emit_stloc (mb, src);
8185 mono_mb_emit_ldloc (mb, src);
8186 mono_mb_emit_stloc (mb, 3);
8188 /* Check for null */
8189 mono_mb_emit_ldloc (mb, src);
8190 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
8192 /* Allocate native array */
8193 mono_mb_emit_icon (mb, esize);
8194 mono_mb_emit_ldloc (mb, src);
8195 mono_mb_emit_byte (mb, CEE_LDLEN);
8197 if (eklass == mono_defaults.string_class) {
8198 /* Make the array bigger for the terminating null */
8199 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
8200 mono_mb_emit_byte (mb, CEE_ADD);
8202 mono_mb_emit_byte (mb, CEE_MUL);
8203 mono_mb_emit_icall (mb, mono_marshal_alloc);
8204 mono_mb_emit_stloc (mb, dest);
8205 mono_mb_emit_ldloc (mb, dest);
8206 mono_mb_emit_stloc (mb, 3);
8208 /* Emit marshalling loop */
8209 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8210 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
8211 mono_mb_emit_stloc (mb, index_var);
8212 label2 = mono_mb_get_label (mb);
8213 mono_mb_emit_ldloc (mb, index_var);
8214 mono_mb_emit_ldloc (mb, src);
8215 mono_mb_emit_byte (mb, CEE_LDLEN);
8216 label3 = mono_mb_emit_branch (mb, CEE_BGE);
8218 /* Emit marshalling code */
8220 g_assert (conv != -1);
8223 mono_mb_emit_ldloc (mb, dest);
8226 mono_mb_emit_ldloc (mb, src);
8227 mono_mb_emit_ldloc (mb, index_var);
8229 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
8231 mono_mb_emit_icall (mb, conv_to_icall (conv));
8232 mono_mb_emit_byte (mb, CEE_STIND_I);
8235 char *msg = g_strdup ("Marshalling of non-string arrays to managed code is not implemented.");
8236 mono_mb_emit_exception_marshal_directive (mb, msg);
8240 mono_mb_emit_add_to_local (mb, index_var, 1);
8241 mono_mb_emit_add_to_local (mb, dest, esize);
8243 mono_mb_emit_branch_label (mb, CEE_BR, label2);
8245 mono_mb_patch_branch (mb, label3);
8246 mono_mb_patch_branch (mb, label1);
8250 g_assert_not_reached ();
8257 marshal_boolean_conv_in_get_local_type (MonoMarshalSpec *spec, guint8 *ldc_op /*out*/)
8260 return &mono_defaults.int32_class->byval_arg;
8262 switch (spec->native) {
8263 case MONO_NATIVE_I1:
8264 case MONO_NATIVE_U1:
8265 return &mono_defaults.byte_class->byval_arg;
8266 case MONO_NATIVE_VARIANTBOOL:
8267 if (ldc_op) *ldc_op = CEE_LDC_I4_M1;
8268 return &mono_defaults.int16_class->byval_arg;
8269 case MONO_NATIVE_BOOLEAN:
8270 return &mono_defaults.int32_class->byval_arg;
8272 g_warning ("marshalling bool as native type %x is currently not supported", spec->native);
8273 return &mono_defaults.int32_class->byval_arg;
8279 marshal_boolean_managed_conv_in_get_conv_arg_class (MonoMarshalSpec *spec, guint8 *ldop/*out*/)
8281 MonoClass* conv_arg_class = mono_defaults.int32_class;
8283 switch (spec->native) {
8284 case MONO_NATIVE_I1:
8285 case MONO_NATIVE_U1:
8286 conv_arg_class = mono_defaults.byte_class;
8287 if (ldop) *ldop = CEE_LDIND_I1;
8289 case MONO_NATIVE_VARIANTBOOL:
8290 conv_arg_class = mono_defaults.int16_class;
8291 if (ldop) *ldop = CEE_LDIND_I2;
8293 case MONO_NATIVE_BOOLEAN:
8296 g_warning ("marshalling bool as native type %x is currently not supported", spec->native);
8299 return conv_arg_class;
8303 emit_marshal_boolean (EmitMarshalContext *m, int argnum, MonoType *t,
8304 MonoMarshalSpec *spec,
8305 int conv_arg, MonoType **conv_arg_type,
8306 MarshalAction action)
8310 case MARSHAL_ACTION_CONV_IN:
8312 *conv_arg_type = &mono_defaults.int_class->byval_arg;
8314 *conv_arg_type = marshal_boolean_conv_in_get_local_type (spec, NULL);
8317 case MARSHAL_ACTION_MANAGED_CONV_IN: {
8318 MonoClass* conv_arg_class = marshal_boolean_managed_conv_in_get_conv_arg_class (spec, NULL);
8320 *conv_arg_type = &conv_arg_class->this_arg;
8322 *conv_arg_type = &conv_arg_class->byval_arg;
8328 MonoMethodBuilder *mb = m->mb;
8331 case MARSHAL_ACTION_CONV_IN: {
8332 MonoType *local_type;
8334 guint8 ldc_op = CEE_LDC_I4_1;
8336 local_type = marshal_boolean_conv_in_get_local_type (spec, &ldc_op);
8338 *conv_arg_type = &mono_defaults.int_class->byval_arg;
8340 *conv_arg_type = local_type;
8341 conv_arg = mono_mb_add_local (mb, local_type);
8343 mono_mb_emit_ldarg (mb, argnum);
8345 mono_mb_emit_byte (mb, CEE_LDIND_I1);
8346 label_false = mono_mb_emit_branch (mb, CEE_BRFALSE);
8347 mono_mb_emit_byte (mb, ldc_op);
8348 mono_mb_emit_stloc (mb, conv_arg);
8349 mono_mb_patch_branch (mb, label_false);
8354 case MARSHAL_ACTION_CONV_OUT:
8356 int label_false, label_end;
8360 mono_mb_emit_ldarg (mb, argnum);
8361 mono_mb_emit_ldloc (mb, conv_arg);
8363 label_false = mono_mb_emit_branch (mb, CEE_BRFALSE);
8364 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
8366 label_end = mono_mb_emit_branch (mb, CEE_BR);
8367 mono_mb_patch_branch (mb, label_false);
8368 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
8369 mono_mb_patch_branch (mb, label_end);
8371 mono_mb_emit_byte (mb, CEE_STIND_I1);
8375 case MARSHAL_ACTION_PUSH:
8377 mono_mb_emit_ldloc_addr (mb, conv_arg);
8379 mono_mb_emit_ldloc (mb, conv_arg);
8381 mono_mb_emit_ldarg (mb, argnum);
8384 case MARSHAL_ACTION_CONV_RESULT:
8385 /* maybe we need to make sure that it fits within 8 bits */
8386 mono_mb_emit_stloc (mb, 3);
8389 case MARSHAL_ACTION_MANAGED_CONV_IN: {
8390 MonoClass* conv_arg_class = mono_defaults.int32_class;
8391 guint8 ldop = CEE_LDIND_I4;
8392 int label_null, label_false;
8394 conv_arg_class = marshal_boolean_managed_conv_in_get_conv_arg_class (spec, &ldop);
8395 conv_arg = mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
8398 *conv_arg_type = &conv_arg_class->this_arg;
8400 *conv_arg_type = &conv_arg_class->byval_arg;
8403 mono_mb_emit_ldarg (mb, argnum);
8407 label_null = mono_mb_emit_branch (mb, CEE_BRFALSE);
8408 mono_mb_emit_ldarg (mb, argnum);
8409 mono_mb_emit_byte (mb, ldop);
8413 label_false = mono_mb_emit_branch (mb, CEE_BRFALSE);
8414 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
8415 mono_mb_emit_stloc (mb, conv_arg);
8416 mono_mb_patch_branch (mb, label_false);
8419 mono_mb_patch_branch (mb, label_null);
8423 case MARSHAL_ACTION_MANAGED_CONV_OUT: {
8424 guint8 stop = CEE_STIND_I4;
8425 guint8 ldc_op = CEE_LDC_I4_1;
8426 int label_null,label_false, label_end;;
8431 switch (spec->native) {
8432 case MONO_NATIVE_I1:
8433 case MONO_NATIVE_U1:
8434 stop = CEE_STIND_I1;
8436 case MONO_NATIVE_VARIANTBOOL:
8437 stop = CEE_STIND_I2;
8438 ldc_op = CEE_LDC_I4_M1;
8446 mono_mb_emit_ldarg (mb, argnum);
8447 label_null = mono_mb_emit_branch (mb, CEE_BRFALSE);
8449 mono_mb_emit_ldarg (mb, argnum);
8450 mono_mb_emit_ldloc (mb, conv_arg);
8452 label_false = mono_mb_emit_branch (mb, CEE_BRFALSE);
8453 mono_mb_emit_byte (mb, ldc_op);
8454 label_end = mono_mb_emit_branch (mb, CEE_BR);
8456 mono_mb_patch_branch (mb, label_false);
8457 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
8458 mono_mb_patch_branch (mb, label_end);
8460 mono_mb_emit_byte (mb, stop);
8461 mono_mb_patch_branch (mb, label_null);
8466 g_assert_not_reached ();
8473 emit_marshal_ptr (EmitMarshalContext *m, int argnum, MonoType *t,
8474 MonoMarshalSpec *spec, int conv_arg,
8475 MonoType **conv_arg_type, MarshalAction action)
8478 MonoMethodBuilder *mb = m->mb;
8481 case MARSHAL_ACTION_CONV_IN:
8482 /* MS seems to allow this in some cases, ie. bxc #158 */
8484 if (MONO_TYPE_ISSTRUCT (t->data.type) && !mono_class_from_mono_type (t->data.type)->blittable) {
8485 char *msg = g_strdup_printf ("Can not marshal 'parameter #%d': Pointers can not reference marshaled structures. Use byref instead.", argnum + 1);
8486 mono_mb_emit_exception_marshal_directive (m->mb, msg);
8491 case MARSHAL_ACTION_PUSH:
8492 mono_mb_emit_ldarg (mb, argnum);
8495 case MARSHAL_ACTION_CONV_RESULT:
8496 /* no conversions necessary */
8497 mono_mb_emit_stloc (mb, 3);
8508 emit_marshal_char (EmitMarshalContext *m, int argnum, MonoType *t,
8509 MonoMarshalSpec *spec, int conv_arg,
8510 MonoType **conv_arg_type, MarshalAction action)
8513 MonoMethodBuilder *mb = m->mb;
8516 case MARSHAL_ACTION_PUSH:
8517 /* fixme: dont know how to marshal that. We cant simply
8518 * convert it to a one byte UTF8 character, because an
8519 * unicode character may need more that one byte in UTF8 */
8520 mono_mb_emit_ldarg (mb, argnum);
8523 case MARSHAL_ACTION_CONV_RESULT:
8524 /* fixme: we need conversions here */
8525 mono_mb_emit_stloc (mb, 3);
8536 emit_marshal_scalar (EmitMarshalContext *m, int argnum, MonoType *t,
8537 MonoMarshalSpec *spec, int conv_arg,
8538 MonoType **conv_arg_type, MarshalAction action)
8541 MonoMethodBuilder *mb = m->mb;
8544 case MARSHAL_ACTION_PUSH:
8545 mono_mb_emit_ldarg (mb, argnum);
8548 case MARSHAL_ACTION_CONV_RESULT:
8549 /* no conversions necessary */
8550 mono_mb_emit_stloc (mb, 3);
8561 emit_marshal (EmitMarshalContext *m, int argnum, MonoType *t,
8562 MonoMarshalSpec *spec, int conv_arg,
8563 MonoType **conv_arg_type, MarshalAction action)
8565 /* Ensure that we have marshalling info for this param */
8566 mono_marshal_load_type_info (mono_class_from_mono_type (t));
8568 if (spec && spec->native == MONO_NATIVE_CUSTOM)
8569 return emit_marshal_custom (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8571 if (spec && spec->native == MONO_NATIVE_ASANY)
8572 return emit_marshal_asany (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8575 case MONO_TYPE_VALUETYPE:
8576 if (t->data.klass == mono_defaults.handleref_class)
8577 return emit_marshal_handleref (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8579 return emit_marshal_vtype (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8580 case MONO_TYPE_STRING:
8581 return emit_marshal_string (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8582 case MONO_TYPE_CLASS:
8583 case MONO_TYPE_OBJECT:
8585 if (spec && spec->native == MONO_NATIVE_STRUCT)
8586 return emit_marshal_variant (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8588 if (spec && (spec->native == MONO_NATIVE_IUNKNOWN ||
8589 spec->native == MONO_NATIVE_IDISPATCH ||
8590 spec->native == MONO_NATIVE_INTERFACE))
8591 return mono_cominterop_emit_marshal_com_interface (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8592 if (spec && (spec->native == MONO_NATIVE_SAFEARRAY) &&
8593 (spec->data.safearray_data.elem_type == MONO_VARIANT_VARIANT) &&
8594 ((action == MARSHAL_ACTION_CONV_OUT) || (action == MARSHAL_ACTION_CONV_IN) || (action == MARSHAL_ACTION_PUSH)))
8595 return mono_cominterop_emit_marshal_safearray (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8598 if (mono_defaults.safehandle_class != NULL && t->data.klass &&
8599 mono_class_is_subclass_of (t->data.klass, mono_defaults.safehandle_class, FALSE))
8600 return emit_marshal_safehandle (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8602 return emit_marshal_object (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8603 case MONO_TYPE_ARRAY:
8604 case MONO_TYPE_SZARRAY:
8605 return emit_marshal_array (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8606 case MONO_TYPE_BOOLEAN:
8607 return emit_marshal_boolean (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8609 return emit_marshal_ptr (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8610 case MONO_TYPE_CHAR:
8611 return emit_marshal_char (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8624 case MONO_TYPE_FNPTR:
8625 return emit_marshal_scalar (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8626 case MONO_TYPE_GENERICINST:
8627 if (mono_type_generic_inst_is_valuetype (t))
8628 return emit_marshal_vtype (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8630 return emit_marshal_object (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8637 * mono_marshal_emit_native_wrapper:
8638 * @image: the image to use for looking up custom marshallers
8639 * @sig: The signature of the native function
8640 * @piinfo: Marshalling information
8641 * @mspecs: Marshalling information
8642 * @aot: whenever the created method will be compiled by the AOT compiler
8643 * @method: if non-NULL, the pinvoke method to call
8644 * @check_exceptions: Whenever to check for pending exceptions after the native call
8645 * @func_param: the function to call is passed as a boxed IntPtr as the first parameter
8647 * generates IL code for the pinvoke wrapper, the generated code calls @func.
8650 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)
8652 EmitMarshalContext m;
8653 MonoMethodSignature *csig;
8655 int i, argnum, *tmp_locals;
8656 int type, param_shift = 0;
8657 static MonoMethodSignature *get_last_error_sig = NULL;
8662 /* we copy the signature, so that we can set pinvoke to 0 */
8664 /* The function address is passed as the first argument */
8665 g_assert (!sig->hasthis);
8668 csig = signature_dup (mb->method->klass->image, sig);
8676 /* we allocate local for use with emit_struct_conv() */
8677 /* allocate local 0 (pointer) src_ptr */
8678 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8679 /* allocate local 1 (pointer) dst_ptr */
8680 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8681 /* allocate local 2 (boolean) delete_old */
8682 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
8684 /* delete_old = FALSE */
8685 mono_mb_emit_icon (mb, 0);
8686 mono_mb_emit_stloc (mb, 2);
8688 if (!MONO_TYPE_IS_VOID(sig->ret)) {
8689 /* allocate local 3 to store the return value */
8690 mono_mb_add_local (mb, sig->ret);
8693 if (mspecs [0] && mspecs [0]->native == MONO_NATIVE_CUSTOM) {
8694 /* Return type custom marshaling */
8696 * Since we can't determine the return type of the unmanaged function,
8697 * we assume it returns a pointer, and pass that pointer to
8698 * MarshalNativeToManaged.
8700 csig->ret = &mono_defaults.int_class->byval_arg;
8703 /* we first do all conversions */
8704 tmp_locals = alloca (sizeof (int) * sig->param_count);
8705 m.orig_conv_args = alloca (sizeof (int) * (sig->param_count + 1));
8707 for (i = 0; i < sig->param_count; i ++) {
8708 tmp_locals [i] = emit_marshal (&m, i + param_shift, sig->params [i], mspecs [i + 1], 0, &csig->params [i], MARSHAL_ACTION_CONV_IN);
8711 /* push all arguments */
8714 mono_mb_emit_byte (mb, CEE_LDARG_0);
8716 for (i = 0; i < sig->param_count; i++) {
8717 emit_marshal (&m, i + param_shift, sig->params [i], mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_PUSH);
8720 /* call the native method */
8722 mono_mb_emit_byte (mb, CEE_LDARG_0);
8723 mono_mb_emit_op (mb, CEE_UNBOX, mono_defaults.int_class);
8724 mono_mb_emit_byte (mb, CEE_LDIND_I);
8725 mono_mb_emit_calli (mb, csig);
8726 } else if (MONO_CLASS_IS_IMPORT (mb->method->klass)) {
8728 mono_mb_emit_cominterop_call (mb, csig, &piinfo->method);
8730 g_assert_not_reached ();
8735 /* Reuse the ICALL_ADDR opcode for pinvokes too */
8736 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
8737 mono_mb_emit_op (mb, CEE_MONO_ICALL_ADDR, &piinfo->method);
8738 mono_mb_emit_calli (mb, csig);
8740 mono_mb_emit_native_call (mb, csig, func);
8744 /* Set LastError if needed */
8745 if (piinfo->piflags & PINVOKE_ATTRIBUTE_SUPPORTS_LAST_ERROR) {
8746 if (!get_last_error_sig) {
8747 get_last_error_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
8748 get_last_error_sig->ret = &mono_defaults.int_class->byval_arg;
8749 get_last_error_sig->pinvoke = 1;
8754 * Have to call GetLastError () early and without a wrapper, since various runtime components could
8755 * clobber its value.
8757 mono_mb_emit_native_call (mb, get_last_error_sig, GetLastError);
8758 mono_mb_emit_icall (mb, mono_marshal_set_last_error_windows);
8760 mono_mb_emit_icall (mb, mono_marshal_set_last_error);
8764 /* convert the result */
8765 if (!sig->ret->byref) {
8766 MonoMarshalSpec *spec = mspecs [0];
8767 type = sig->ret->type;
8769 if (spec && spec->native == MONO_NATIVE_CUSTOM) {
8770 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
8775 case MONO_TYPE_VOID:
8777 case MONO_TYPE_VALUETYPE:
8778 klass = sig->ret->data.klass;
8779 if (klass->enumtype) {
8780 type = mono_class_enum_basetype (sig->ret->data.klass)->type;
8783 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
8797 case MONO_TYPE_FNPTR:
8798 case MONO_TYPE_STRING:
8799 case MONO_TYPE_CLASS:
8800 case MONO_TYPE_OBJECT:
8801 case MONO_TYPE_BOOLEAN:
8802 case MONO_TYPE_ARRAY:
8803 case MONO_TYPE_SZARRAY:
8804 case MONO_TYPE_CHAR:
8806 case MONO_TYPE_GENERICINST:
8807 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
8809 case MONO_TYPE_TYPEDBYREF:
8811 g_warning ("return type 0x%02x unknown", sig->ret->type);
8812 g_assert_not_reached ();
8816 mono_mb_emit_stloc (mb, 3);
8820 * Need to call this after converting the result since MONO_VTADDR needs
8821 * to be adjacent to the call instruction.
8823 if (check_exceptions)
8824 emit_thread_interrupt_checkpoint (mb);
8826 /* we need to convert byref arguments back and free string arrays */
8827 for (i = 0; i < sig->param_count; i++) {
8828 MonoType *t = sig->params [i];
8829 MonoMarshalSpec *spec = mspecs [i + 1];
8831 argnum = i + param_shift;
8833 if (spec && ((spec->native == MONO_NATIVE_CUSTOM) || (spec->native == MONO_NATIVE_ASANY))) {
8834 emit_marshal (&m, argnum, t, spec, tmp_locals [i], NULL, MARSHAL_ACTION_CONV_OUT);
8839 case MONO_TYPE_STRING:
8840 case MONO_TYPE_VALUETYPE:
8841 case MONO_TYPE_CLASS:
8842 case MONO_TYPE_OBJECT:
8843 case MONO_TYPE_SZARRAY:
8844 case MONO_TYPE_BOOLEAN:
8845 emit_marshal (&m, argnum, t, spec, tmp_locals [i], NULL, MARSHAL_ACTION_CONV_OUT);
8850 if (!MONO_TYPE_IS_VOID(sig->ret))
8851 mono_mb_emit_ldloc (mb, 3);
8853 mono_mb_emit_byte (mb, CEE_RET);
8855 #endif /* DISABLE_JIT */
8858 G_GNUC_UNUSED static void
8859 code_for (MonoMethod *method) {
8860 MonoMethodHeader *header = mono_method_get_header (method);
8861 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));
8865 * mono_marshal_get_native_wrapper:
8866 * @method: The MonoMethod to wrap.
8867 * @check_exceptions: Whenever to check for pending exceptions
8869 * generates IL code for the pinvoke wrapper (the generated method
8870 * calls the unmanaged code in piinfo->addr)
8871 * The wrapper info for the wrapper is a WrapperInfo structure.
8874 mono_marshal_get_native_wrapper (MonoMethod *method, gboolean check_exceptions, gboolean aot)
8876 MonoMethodSignature *sig, *csig;
8877 MonoMethodPInvoke *piinfo = (MonoMethodPInvoke *) method;
8878 MonoMethodBuilder *mb;
8879 MonoMarshalSpec **mspecs;
8882 gboolean pinvoke = FALSE;
8885 const char *exc_class = "MissingMethodException";
8886 const char *exc_arg = NULL;
8889 g_assert (method != NULL);
8890 g_assert (mono_method_signature (method)->pinvoke);
8893 cache = get_cache (&method->klass->image->native_wrapper_aot_cache, mono_aligned_addr_hash, NULL);
8895 cache = get_cache (&method->klass->image->native_wrapper_cache, mono_aligned_addr_hash, NULL);
8896 if ((res = mono_marshal_find_in_cache (cache, method)))
8899 if (MONO_CLASS_IS_IMPORT (method->klass)) {
8901 return mono_cominterop_get_native_wrapper (method);
8903 g_assert_not_reached ();
8907 sig = mono_method_signature (method);
8909 if (!(method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
8910 (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL))
8913 if (!piinfo->addr) {
8915 if (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)
8916 exc_arg = "Method contains unsupported native code";
8918 mono_lookup_pinvoke_call (method, &exc_class, &exc_arg);
8920 piinfo->addr = mono_lookup_internal_call (method);
8924 /* hack - redirect certain string constructors to CreateString */
8925 if (piinfo->addr == ves_icall_System_String_ctor_RedirectToCreateString) {
8926 g_assert (!pinvoke);
8927 g_assert (method->string_ctor);
8928 g_assert (sig->hasthis);
8930 /* CreateString returns a value */
8931 csig = signature_dup (method->klass->image, sig);
8932 csig->ret = &mono_defaults.string_class->byval_arg;
8936 while ((res = mono_class_get_methods (mono_defaults.string_class, &iter))) {
8937 if (!strcmp ("CreateString", res->name) &&
8938 mono_metadata_signature_equal (csig, mono_method_signature (res))) {
8941 g_assert (!(res->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL));
8942 g_assert (!(res->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL));
8944 /* create a wrapper to preserve .ctor in stack trace */
8945 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_MANAGED_TO_MANAGED);
8948 mono_mb_emit_byte (mb, CEE_LDARG_0);
8949 for (i = 1; i <= csig->param_count; i++)
8950 mono_mb_emit_ldarg (mb, i);
8951 mono_mb_emit_managed_call (mb, res, NULL);
8952 mono_mb_emit_byte (mb, CEE_RET);
8955 /* use native_wrapper_cache because internal calls are looked up there */
8956 res = mono_mb_create_and_cache (cache, method,
8957 mb, csig, csig->param_count + 1);
8961 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_STRING_CTOR);
8962 info->d.string_ctor.method = method;
8964 mono_marshal_set_wrapper_info (res, info);
8970 /* exception will be thrown */
8971 piinfo->addr = NULL;
8972 g_warning ("cannot find CreateString for .ctor");
8975 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_MANAGED_TO_NATIVE);
8977 mb->method->save_lmf = 1;
8980 * In AOT mode and embedding scenarios, it is possible that the icall is not
8981 * registered in the runtime doing the AOT compilation.
8983 if (!piinfo->addr && !aot) {
8985 mono_mb_emit_exception (mb, exc_class, exc_arg);
8987 csig = signature_dup (method->klass->image, sig);
8989 res = mono_mb_create_and_cache (cache, method,
8990 mb, csig, csig->param_count + 16);
8993 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_NONE);
8994 info->d.managed_to_native.method = method;
8995 mono_marshal_set_wrapper_info (res, info);
9000 /* internal calls: we simply push all arguments and call the method (no conversions) */
9001 if (method->iflags & (METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL | METHOD_IMPL_ATTRIBUTE_RUNTIME)) {
9003 csig = signature_dup_add_this (method->klass->image, sig, method->klass);
9005 csig = signature_dup (method->klass->image, sig);
9007 /* hack - string constructors returns a value */
9008 if (method->string_ctor)
9009 csig->ret = &mono_defaults.string_class->byval_arg;
9016 * Add a null check since public icalls can be called with 'call' which
9017 * does no such check.
9019 mono_mb_emit_byte (mb, CEE_LDARG_0);
9020 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
9021 mono_mb_emit_exception (mb, "NullReferenceException", NULL);
9022 mono_mb_patch_branch (mb, pos);
9024 mono_mb_emit_byte (mb, CEE_LDARG_0);
9027 for (i = 0; i < sig->param_count; i++)
9028 mono_mb_emit_ldarg (mb, i + sig->hasthis);
9031 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
9032 mono_mb_emit_op (mb, CEE_MONO_ICALL_ADDR, &piinfo->method);
9033 mono_mb_emit_calli (mb, csig);
9035 g_assert (piinfo->addr);
9036 mono_mb_emit_native_call (mb, csig, piinfo->addr);
9038 if (check_exceptions)
9039 emit_thread_interrupt_checkpoint (mb);
9040 mono_mb_emit_byte (mb, CEE_RET);
9043 csig = signature_dup (method->klass->image, csig);
9045 res = mono_mb_create_and_cache (cache, method,
9046 mb, csig, csig->param_count + 16);
9048 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_NONE);
9049 info->d.managed_to_native.method = method;
9050 mono_marshal_set_wrapper_info (res, info);
9058 g_assert (piinfo->addr);
9061 mspecs = g_new (MonoMarshalSpec*, sig->param_count + 1);
9062 mono_method_get_marshal_info (method, mspecs);
9064 mono_marshal_emit_native_wrapper (mb->method->klass->image, mb, sig, piinfo, mspecs, piinfo->addr, aot, check_exceptions, FALSE);
9067 csig = signature_dup (method->klass->image, sig);
9069 res = mono_mb_create_and_cache (cache, method,
9070 mb, csig, csig->param_count + 16);
9073 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_PINVOKE);
9074 info->d.managed_to_native.method = method;
9075 mono_marshal_set_wrapper_info (res, info);
9078 for (i = sig->param_count; i >= 0; i--)
9080 mono_metadata_free_marshal_spec (mspecs [i]);
9084 /* code_for (res); */
9090 * mono_marshal_get_native_func_wrapper:
9091 * @image: The image to use for memory allocation and for looking up custom marshallers.
9092 * @sig: The signature of the function
9093 * @func: The native function to wrap
9095 * Returns a wrapper method around native functions, similar to the pinvoke
9099 mono_marshal_get_native_func_wrapper (MonoImage *image, MonoMethodSignature *sig,
9100 MonoMethodPInvoke *piinfo, MonoMarshalSpec **mspecs, gpointer func)
9102 MonoMethodSignature *csig;
9104 MonoMethodBuilder *mb;
9109 cache = get_cache (&image->native_wrapper_cache, mono_aligned_addr_hash, NULL);
9110 if ((res = mono_marshal_find_in_cache (cache, func)))
9113 name = g_strdup_printf ("wrapper_native_%p", func);
9114 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_MANAGED_TO_NATIVE);
9115 mb->method->save_lmf = 1;
9118 mono_marshal_emit_native_wrapper (image, mb, sig, piinfo, mspecs, func, FALSE, TRUE, FALSE);
9121 csig = signature_dup (image, sig);
9123 res = mono_mb_create_and_cache (cache, func,
9124 mb, csig, csig->param_count + 16);
9127 mono_marshal_set_wrapper_info (res, NULL);
9133 * The wrapper receives the native function as a boxed IntPtr as its 'this' argument. This is easier to support in
9137 mono_marshal_get_native_func_wrapper_aot (MonoClass *klass)
9139 MonoMethodSignature *sig, *csig;
9140 MonoMethodBuilder *mb;
9145 MonoMethodPInvoke mpiinfo;
9146 MonoMethodPInvoke *piinfo = &mpiinfo;
9147 MonoMarshalSpec **mspecs;
9148 MonoMethod *invoke = mono_get_delegate_invoke (klass);
9149 MonoImage *image = invoke->klass->image;
9152 // FIXME: include UnmanagedFunctionPointerAttribute info
9155 * The wrapper is associated with the delegate type, to pick up the marshalling info etc.
9157 cache = get_cache (&image->native_func_wrapper_aot_cache, mono_aligned_addr_hash, NULL);
9158 if ((res = mono_marshal_find_in_cache (cache, invoke)))
9161 memset (&mpiinfo, 0, sizeof (mpiinfo));
9162 parse_unmanaged_function_pointer_attr (klass, &mpiinfo);
9164 mspecs = g_new0 (MonoMarshalSpec*, mono_method_signature (invoke)->param_count + 1);
9165 mono_method_get_marshal_info (invoke, mspecs);
9166 /* Freed below so don't alloc from mempool */
9167 sig = mono_metadata_signature_dup (mono_method_signature (invoke));
9170 name = g_strdup_printf ("wrapper_aot_native");
9171 mb = mono_mb_new (invoke->klass, name, MONO_WRAPPER_MANAGED_TO_NATIVE);
9172 mb->method->save_lmf = 1;
9175 mono_marshal_emit_native_wrapper (image, mb, sig, piinfo, mspecs, NULL, FALSE, TRUE, TRUE);
9178 g_assert (!sig->hasthis);
9179 csig = signature_dup_add_this (image, sig, mono_defaults.int_class);
9181 res = mono_mb_create_and_cache (cache, invoke,
9182 mb, csig, csig->param_count + 16);
9185 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_NATIVE_FUNC_AOT);
9186 info->d.managed_to_native.method = invoke;
9188 mono_marshal_set_wrapper_info (res, info);
9190 for (i = mono_method_signature (invoke)->param_count; i >= 0; i--)
9192 mono_metadata_free_marshal_spec (mspecs [i]);
9200 * mono_marshal_emit_managed_wrapper:
9202 * Emit the body of a native-to-managed wrapper. INVOKE_SIG is the signature of
9203 * the delegate which wraps the managed method to be called. For closed delegates,
9204 * it could have fewer parameters than the method it wraps.
9205 * THIS_LOC is the memory location where the target of the delegate is stored.
9208 mono_marshal_emit_managed_wrapper (MonoMethodBuilder *mb, MonoMethodSignature *invoke_sig, MonoMarshalSpec **mspecs, EmitMarshalContext* m, MonoMethod *method, uint32_t target_handle)
9211 MonoMethodSignature *sig, *csig;
9217 /* we first do all conversions */
9218 for (i = 0; i < sig->param_count; i ++) {
9219 MonoType *t = sig->params [i];
9222 case MONO_TYPE_OBJECT:
9223 case MONO_TYPE_CLASS:
9224 case MONO_TYPE_VALUETYPE:
9225 case MONO_TYPE_ARRAY:
9226 case MONO_TYPE_SZARRAY:
9227 case MONO_TYPE_STRING:
9228 case MONO_TYPE_BOOLEAN:
9229 emit_marshal (m, i, sig->params [i], mspecs [i + 1], 0, &csig->params [i], MARSHAL_ACTION_MANAGED_CONV_IN);
9233 if (!sig->ret->byref) {
9234 switch (sig->ret->type) {
9235 case MONO_TYPE_STRING:
9236 csig->ret = &mono_defaults.int_class->byval_arg;
9243 MonoMethodSignature *sig, *csig;
9245 gboolean closed = FALSE;
9250 /* allocate local 0 (pointer) src_ptr */
9251 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9252 /* allocate local 1 (pointer) dst_ptr */
9253 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9254 /* allocate local 2 (boolean) delete_old */
9255 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
9257 if (!sig->hasthis && sig->param_count != invoke_sig->param_count) {
9258 /* Closed delegate */
9259 g_assert (sig->param_count == invoke_sig->param_count + 1);
9261 /* Use a new signature without the first argument */
9262 sig = mono_metadata_signature_dup (sig);
9263 memmove (&sig->params [0], &sig->params [1], (sig->param_count - 1) * sizeof (MonoType*));
9264 sig->param_count --;
9267 if (!MONO_TYPE_IS_VOID(sig->ret)) {
9268 /* allocate local 3 to store the return value */
9269 mono_mb_add_local (mb, sig->ret);
9272 mono_mb_emit_icon (mb, 0);
9273 mono_mb_emit_stloc (mb, 2);
9276 * Might need to attach the thread to the JIT or change the
9277 * domain for the callback.
9279 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
9280 mono_mb_emit_byte (mb, CEE_MONO_JIT_ATTACH);
9282 /* we first do all conversions */
9283 tmp_locals = alloca (sizeof (int) * sig->param_count);
9284 for (i = 0; i < sig->param_count; i ++) {
9285 MonoType *t = sig->params [i];
9288 case MONO_TYPE_OBJECT:
9289 case MONO_TYPE_CLASS:
9290 case MONO_TYPE_VALUETYPE:
9291 case MONO_TYPE_ARRAY:
9292 case MONO_TYPE_SZARRAY:
9293 case MONO_TYPE_STRING:
9294 case MONO_TYPE_BOOLEAN:
9295 tmp_locals [i] = emit_marshal (m, i, sig->params [i], mspecs [i + 1], 0, &csig->params [i], MARSHAL_ACTION_MANAGED_CONV_IN);
9304 emit_thread_interrupt_checkpoint (mb);
9307 if (target_handle) {
9308 mono_mb_emit_icon (mb, (gint32)target_handle);
9309 mono_mb_emit_icall (mb, mono_gchandle_get_target);
9312 g_assert_not_reached ();
9314 } else if (closed) {
9315 mono_mb_emit_icon (mb, (gint32)target_handle);
9316 mono_mb_emit_icall (mb, mono_gchandle_get_target);
9319 for (i = 0; i < sig->param_count; i++) {
9320 MonoType *t = sig->params [i];
9322 if (tmp_locals [i]) {
9324 mono_mb_emit_ldloc_addr (mb, tmp_locals [i]);
9326 mono_mb_emit_ldloc (mb, tmp_locals [i]);
9329 mono_mb_emit_ldarg (mb, i);
9332 mono_mb_emit_managed_call (mb, method, NULL);
9334 if (mspecs [0] && mspecs [0]->native == MONO_NATIVE_CUSTOM) {
9335 emit_marshal (m, 0, sig->ret, mspecs [0], 0, NULL, MARSHAL_ACTION_MANAGED_CONV_RESULT);
9336 } else if (!sig->ret->byref) {
9337 switch (sig->ret->type) {
9338 case MONO_TYPE_VOID:
9340 case MONO_TYPE_BOOLEAN:
9343 case MONO_TYPE_CHAR:
9355 case MONO_TYPE_OBJECT:
9356 mono_mb_emit_stloc (mb, 3);
9358 case MONO_TYPE_STRING:
9359 csig->ret = &mono_defaults.int_class->byval_arg;
9360 emit_marshal (m, 0, sig->ret, mspecs [0], 0, NULL, MARSHAL_ACTION_MANAGED_CONV_RESULT);
9362 case MONO_TYPE_VALUETYPE:
9363 case MONO_TYPE_CLASS:
9364 case MONO_TYPE_SZARRAY:
9365 emit_marshal (m, 0, sig->ret, mspecs [0], 0, NULL, MARSHAL_ACTION_MANAGED_CONV_RESULT);
9368 g_warning ("return type 0x%02x unknown", sig->ret->type);
9369 g_assert_not_reached ();
9372 mono_mb_emit_stloc (mb, 3);
9375 /* Convert byref arguments back */
9376 for (i = 0; i < sig->param_count; i ++) {
9377 MonoType *t = sig->params [i];
9378 MonoMarshalSpec *spec = mspecs [i + 1];
9380 if (spec && spec->native == MONO_NATIVE_CUSTOM) {
9381 emit_marshal (m, i, t, mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_MANAGED_CONV_OUT);
9383 else if (t->byref) {
9385 case MONO_TYPE_CLASS:
9386 case MONO_TYPE_VALUETYPE:
9387 case MONO_TYPE_OBJECT:
9388 case MONO_TYPE_STRING:
9389 case MONO_TYPE_BOOLEAN:
9390 emit_marshal (m, i, t, mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_MANAGED_CONV_OUT);
9394 else if (invoke_sig->params [i]->attrs & PARAM_ATTRIBUTE_OUT) {
9395 /* The [Out] information is encoded in the delegate signature */
9397 case MONO_TYPE_SZARRAY:
9398 case MONO_TYPE_CLASS:
9399 case MONO_TYPE_VALUETYPE:
9400 emit_marshal (m, i, invoke_sig->params [i], mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_MANAGED_CONV_OUT);
9403 g_assert_not_reached ();
9408 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
9409 mono_mb_emit_byte (mb, CEE_MONO_JIT_DETACH);
9411 if (m->retobj_var) {
9412 mono_mb_emit_ldloc (mb, m->retobj_var);
9413 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
9414 mono_mb_emit_op (mb, CEE_MONO_RETOBJ, m->retobj_class);
9417 if (!MONO_TYPE_IS_VOID(sig->ret))
9418 mono_mb_emit_ldloc (mb, 3);
9419 mono_mb_emit_byte (mb, CEE_RET);
9428 mono_marshal_set_callconv_from_modopt (MonoMethod *method, MonoMethodSignature *csig)
9430 MonoMethodSignature *sig;
9435 * Under windows, delegates passed to native code must use the STDCALL
9436 * calling convention.
9438 csig->call_convention = MONO_CALL_STDCALL;
9441 sig = mono_method_signature (method);
9443 /* Change default calling convention if needed */
9444 /* Why is this a modopt ? */
9445 if (sig->ret && sig->ret->num_mods) {
9446 for (i = 0; i < sig->ret->num_mods; ++i) {
9447 MonoClass *cmod_class = mono_class_get (method->klass->image, sig->ret->modifiers [i].token);
9448 g_assert (cmod_class);
9449 if ((cmod_class->image == mono_defaults.corlib) && !strcmp (cmod_class->name_space, "System.Runtime.CompilerServices")) {
9450 if (!strcmp (cmod_class->name, "CallConvCdecl"))
9451 csig->call_convention = MONO_CALL_C;
9452 else if (!strcmp (cmod_class->name, "CallConvStdcall"))
9453 csig->call_convention = MONO_CALL_STDCALL;
9454 else if (!strcmp (cmod_class->name, "CallConvFastcall"))
9455 csig->call_convention = MONO_CALL_FASTCALL;
9456 else if (!strcmp (cmod_class->name, "CallConvThiscall"))
9457 csig->call_convention = MONO_CALL_THISCALL;
9464 * generates IL code to call managed methods from unmanaged code
9465 * If target_handle==0, the wrapper info will be a WrapperInfo structure.
9468 mono_marshal_get_managed_wrapper (MonoMethod *method, MonoClass *delegate_klass, uint32_t target_handle)
9470 static MonoClass *UnmanagedFunctionPointerAttribute;
9471 MonoMethodSignature *sig, *csig, *invoke_sig;
9472 MonoMethodBuilder *mb;
9473 MonoMethod *res, *invoke;
9474 MonoMarshalSpec **mspecs;
9475 MonoMethodPInvoke piinfo;
9478 EmitMarshalContext m;
9480 g_assert (method != NULL);
9481 g_assert (!mono_method_signature (method)->pinvoke);
9484 * FIXME: Should cache the method+delegate type pair, since the same method
9485 * could be called with different delegates, thus different marshalling
9488 cache = get_cache (&method->klass->image->managed_wrapper_cache, mono_aligned_addr_hash, NULL);
9489 if (!target_handle && (res = mono_marshal_find_in_cache (cache, method)))
9492 invoke = mono_get_delegate_invoke (delegate_klass);
9493 invoke_sig = mono_method_signature (invoke);
9495 mspecs = g_new0 (MonoMarshalSpec*, mono_method_signature (invoke)->param_count + 1);
9496 mono_method_get_marshal_info (invoke, mspecs);
9498 sig = mono_method_signature (method);
9500 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_NATIVE_TO_MANAGED);
9502 /*the target gchandle must be the first entry after size and the wrapper itself.*/
9503 mono_mb_add_data (mb, GUINT_TO_POINTER (target_handle));
9505 /* we copy the signature, so that we can modify it */
9507 /* Need to free this later */
9508 csig = mono_metadata_signature_dup (invoke_sig);
9510 csig = signature_dup (method->klass->image, invoke_sig);
9519 m.image = method->klass->image;
9521 mono_marshal_set_callconv_from_modopt (invoke, csig);
9523 /* Handle the UnmanagedFunctionPointerAttribute */
9524 if (!UnmanagedFunctionPointerAttribute)
9525 UnmanagedFunctionPointerAttribute = mono_class_from_name (mono_defaults.corlib, "System.Runtime.InteropServices", "UnmanagedFunctionPointerAttribute");
9527 /* The attribute is only available in Net 2.0 */
9528 if (UnmanagedFunctionPointerAttribute) {
9529 MonoCustomAttrInfo *cinfo;
9530 MonoCustomAttrEntry *attr;
9533 * The pinvoke attributes are stored in a real custom attribute. Obtain the
9534 * contents of the attribute without constructing it, as that might not be
9535 * possible when running in cross-compiling mode.
9537 cinfo = mono_custom_attrs_from_class (delegate_klass);
9540 for (i = 0; i < cinfo->num_attrs; ++i) {
9541 MonoClass *ctor_class = cinfo->attrs [i].ctor->klass;
9542 if (mono_class_has_parent (ctor_class, UnmanagedFunctionPointerAttribute)) {
9543 attr = &cinfo->attrs [i];
9549 MonoArray *typed_args, *named_args;
9550 CattrNamedArg *arginfo;
9554 MonoBoolean set_last_error = 0;
9555 MonoBoolean best_fit_mapping = 0;
9556 MonoBoolean throw_on_unmappable = 0;
9559 mono_reflection_create_custom_attr_data_args (mono_defaults.corlib, attr->ctor, attr->data, attr->data_size, &typed_args, &named_args, &arginfo, &error);
9560 g_assert (mono_error_ok (&error));
9561 g_assert (mono_array_length (typed_args) == 1);
9564 o = mono_array_get (typed_args, MonoObject*, 0);
9565 call_conv = *(gint32*)mono_object_unbox (o);
9568 for (i = 0; i < mono_array_length (named_args); ++i) {
9569 CattrNamedArg *narg = &arginfo [i];
9571 o = mono_array_get (named_args, MonoObject*, i);
9573 g_assert (narg->field);
9574 if (!strcmp (narg->field->name, "CharSet")) {
9575 charset = *(gint32*)mono_object_unbox (o);
9576 } else if (!strcmp (narg->field->name, "SetLastError")) {
9577 set_last_error = *(MonoBoolean*)mono_object_unbox (o);
9578 } else if (!strcmp (narg->field->name, "BestFitMapping")) {
9579 best_fit_mapping = *(MonoBoolean*)mono_object_unbox (o);
9580 } else if (!strcmp (narg->field->name, "ThrowOnUnmappableChar")) {
9581 throw_on_unmappable = *(MonoBoolean*)mono_object_unbox (o);
9583 g_assert_not_reached ();
9589 memset (&piinfo, 0, sizeof (piinfo));
9591 piinfo.piflags = (call_conv << 8) | (charset ? (charset - 1) * 2 : 1) | set_last_error;
9593 csig->call_convention = call_conv - 1;
9596 if (cinfo && !cinfo->cached)
9597 mono_custom_attrs_free (cinfo);
9600 mono_marshal_emit_managed_wrapper (mb, invoke_sig, mspecs, &m, method, target_handle);
9602 if (!target_handle) {
9605 res = mono_mb_create_and_cache (cache, method,
9606 mb, csig, sig->param_count + 16);
9607 // FIXME: Associate it with the method+delegate_klass pair
9608 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_NONE);
9609 info->d.native_to_managed.method = method;
9610 info->d.native_to_managed.klass = delegate_klass;
9611 mono_marshal_set_wrapper_info (res, info);
9616 res = mono_mb_create_method (mb, csig, sig->param_count + 16);
9620 for (i = mono_method_signature (invoke)->param_count; i >= 0; i--)
9622 mono_metadata_free_marshal_spec (mspecs [i]);
9625 /* code_for (res); */
9631 mono_marshal_get_vtfixup_ftnptr (MonoImage *image, guint32 token, guint16 type)
9634 MonoMethodSignature *sig;
9635 MonoMethodBuilder *mb;
9640 method = mono_get_method (image, token, NULL);
9643 if (type & (VTFIXUP_TYPE_FROM_UNMANAGED | VTFIXUP_TYPE_FROM_UNMANAGED_RETAIN_APPDOMAIN)) {
9644 MonoMethodSignature *csig;
9645 MonoMarshalSpec **mspecs;
9646 EmitMarshalContext m;
9648 sig = mono_method_signature (method);
9649 g_assert (!sig->hasthis);
9651 mspecs = g_new0 (MonoMarshalSpec*, sig->param_count + 1);
9652 mono_method_get_marshal_info (method, mspecs);
9654 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_NATIVE_TO_MANAGED);
9655 csig = signature_dup (image, sig);
9666 mono_marshal_set_callconv_from_modopt (method, csig);
9668 /* FIXME: Implement VTFIXUP_TYPE_FROM_UNMANAGED_RETAIN_APPDOMAIN. */
9670 mono_marshal_emit_managed_wrapper (mb, sig, mspecs, &m, method, 0);
9675 method = mono_mb_create_method (mb, csig, sig->param_count + 16);
9678 for (i = sig->param_count; i >= 0; i--)
9680 mono_metadata_free_marshal_spec (mspecs [i]);
9683 return mono_compile_method (method);
9686 sig = mono_method_signature (method);
9687 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_MANAGED_TO_MANAGED);
9689 param_count = sig->param_count + sig->hasthis;
9691 for (i = 0; i < param_count; i++)
9692 mono_mb_emit_ldarg (mb, i);
9694 if (type & VTFIXUP_TYPE_CALL_MOST_DERIVED)
9695 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
9697 mono_mb_emit_op (mb, CEE_CALL, method);
9698 mono_mb_emit_byte (mb, CEE_RET);
9703 method = mono_mb_create_method (mb, sig, param_count);
9706 return mono_compile_method (method);
9709 static MonoReflectionType *
9710 type_from_handle (MonoType *handle)
9712 MonoDomain *domain = mono_domain_get ();
9713 MonoClass *klass = mono_class_from_mono_type (handle);
9715 MONO_ARCH_SAVE_REGS;
9717 mono_class_init (klass);
9718 return mono_type_get_object (domain, handle);
9722 * This does the equivalent of mono_object_castclass_with_cache.
9723 * The wrapper info for the wrapper is a WrapperInfo structure.
9726 mono_marshal_get_castclass_with_cache (void)
9728 static MonoMethod *cached;
9730 MonoMethodBuilder *mb;
9731 MonoMethodSignature *sig;
9732 int return_null_pos, cache_miss_pos, invalid_cast_pos;
9738 mb = mono_mb_new (mono_defaults.object_class, "__castclass_with_cache", MONO_WRAPPER_CASTCLASS);
9739 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
9740 sig->params [0] = &mono_defaults.object_class->byval_arg;
9741 sig->params [1] = &mono_defaults.int_class->byval_arg;
9742 sig->params [2] = &mono_defaults.int_class->byval_arg;
9743 sig->ret = &mono_defaults.object_class->byval_arg;
9747 /* allocate local 0 (pointer) obj_vtable */
9748 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9751 mono_mb_emit_ldarg (mb, 0);
9752 return_null_pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
9754 /*obj_vtable = obj->vtable;*/
9755 mono_mb_emit_ldarg (mb, 0);
9756 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
9757 mono_mb_emit_byte (mb, CEE_LDIND_I);
9758 mono_mb_emit_stloc (mb, 0);
9761 mono_mb_emit_ldarg (mb, 2);
9762 mono_mb_emit_byte (mb, CEE_LDIND_I);
9763 mono_mb_emit_ldloc (mb, 0);
9765 /*if (*cache == obj_vtable)*/
9766 cache_miss_pos = mono_mb_emit_branch (mb, CEE_BNE_UN);
9769 mono_mb_emit_ldarg (mb, 0);
9770 mono_mb_emit_byte (mb, CEE_RET);
9772 mono_mb_patch_branch (mb, cache_miss_pos);
9773 /*if (mono_object_isinst (obj, klass)) */
9774 mono_mb_emit_ldarg (mb, 0);
9775 mono_mb_emit_ldarg (mb, 1);
9776 mono_mb_emit_icall (mb, mono_object_isinst);
9777 invalid_cast_pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
9779 /**cache = obj_vtable;*/
9780 mono_mb_emit_ldarg (mb, 2);
9781 mono_mb_emit_ldloc (mb, 0);
9782 mono_mb_emit_byte (mb, CEE_STIND_I);
9785 mono_mb_emit_ldarg (mb, 0);
9786 mono_mb_emit_byte (mb, CEE_RET);
9789 mono_mb_patch_branch (mb, invalid_cast_pos);
9790 mono_mb_emit_exception (mb, "InvalidCastException", NULL);
9793 mono_mb_patch_branch (mb, return_null_pos);
9794 mono_mb_emit_byte (mb, CEE_LDNULL);
9795 mono_mb_emit_byte (mb, CEE_RET);
9796 #endif /* DISABLE_JIT */
9798 res = mono_mb_create_method (mb, sig, 8);
9799 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_CASTCLASS_WITH_CACHE);
9800 mono_marshal_set_wrapper_info (res, info);
9803 if (InterlockedCompareExchangePointer ((volatile gpointer *)&cached, res, NULL)) {
9804 mono_free_method (res);
9805 mono_metadata_free_method_signature (sig);
9813 * This does the equivalent of mono_object_isinst_with_cache.
9814 * The wrapper info for the wrapper is a WrapperInfo structure.
9817 mono_marshal_get_isinst_with_cache (void)
9819 static MonoMethod *cached;
9821 MonoMethodBuilder *mb;
9822 MonoMethodSignature *sig;
9823 int return_null_pos, cache_miss_pos, cache_hit_pos, not_an_instance_pos, negative_cache_hit_pos;
9829 mb = mono_mb_new (mono_defaults.object_class, "__isinst_with_cache", MONO_WRAPPER_CASTCLASS);
9830 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
9831 sig->params [0] = &mono_defaults.object_class->byval_arg;
9832 sig->params [1] = &mono_defaults.int_class->byval_arg;
9833 sig->params [2] = &mono_defaults.int_class->byval_arg;
9834 sig->ret = &mono_defaults.object_class->byval_arg;
9838 /* allocate local 0 (pointer) obj_vtable */
9839 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9840 /* allocate local 1 (pointer) cached_vtable */
9841 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9844 mono_mb_emit_ldarg (mb, 0);
9845 return_null_pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
9847 /*obj_vtable = obj->vtable;*/
9848 mono_mb_emit_ldarg (mb, 0);
9849 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
9850 mono_mb_emit_byte (mb, CEE_LDIND_I);
9851 mono_mb_emit_stloc (mb, 0);
9853 /* cached_vtable = *cache*/
9854 mono_mb_emit_ldarg (mb, 2);
9855 mono_mb_emit_byte (mb, CEE_LDIND_I);
9856 mono_mb_emit_stloc (mb, 1);
9858 mono_mb_emit_ldloc (mb, 1);
9859 mono_mb_emit_byte (mb, CEE_LDC_I4);
9860 mono_mb_emit_i4 (mb, ~0x1);
9861 mono_mb_emit_byte (mb, CEE_CONV_U);
9862 mono_mb_emit_byte (mb, CEE_AND);
9863 mono_mb_emit_ldloc (mb, 0);
9864 /*if ((cached_vtable & ~0x1)== obj_vtable)*/
9865 cache_miss_pos = mono_mb_emit_branch (mb, CEE_BNE_UN);
9867 /*return (cached_vtable & 0x1) ? NULL : obj;*/
9868 mono_mb_emit_ldloc (mb, 1);
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_AND);
9872 negative_cache_hit_pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
9875 mono_mb_emit_ldarg (mb, 0);
9876 cache_hit_pos = mono_mb_emit_branch (mb, CEE_BR);
9879 mono_mb_patch_branch (mb, negative_cache_hit_pos);
9880 mono_mb_emit_byte (mb, CEE_LDNULL);
9882 mono_mb_patch_branch (mb, cache_hit_pos);
9883 mono_mb_emit_byte (mb, CEE_RET);
9885 mono_mb_patch_branch (mb, cache_miss_pos);
9886 /*if (mono_object_isinst (obj, klass)) */
9887 mono_mb_emit_ldarg (mb, 0);
9888 mono_mb_emit_ldarg (mb, 1);
9889 mono_mb_emit_icall (mb, mono_object_isinst);
9890 not_an_instance_pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
9892 /**cache = obj_vtable;*/
9893 mono_mb_emit_ldarg (mb, 2);
9894 mono_mb_emit_ldloc (mb, 0);
9895 mono_mb_emit_byte (mb, CEE_STIND_I);
9898 mono_mb_emit_ldarg (mb, 0);
9899 mono_mb_emit_byte (mb, CEE_RET);
9902 mono_mb_patch_branch (mb, not_an_instance_pos);
9903 /* *cache = (gpointer)(obj_vtable | 0x1);*/
9904 mono_mb_emit_ldarg (mb, 2);
9905 /*obj_vtable | 0x1*/
9906 mono_mb_emit_ldloc (mb, 0);
9907 mono_mb_emit_byte(mb, CEE_LDC_I4_1);
9908 mono_mb_emit_byte (mb, CEE_CONV_U);
9909 mono_mb_emit_byte (mb, CEE_OR);
9912 mono_mb_emit_byte (mb, CEE_STIND_I);
9915 mono_mb_patch_branch (mb, return_null_pos);
9916 mono_mb_emit_byte (mb, CEE_LDNULL);
9917 mono_mb_emit_byte (mb, CEE_RET);
9920 res = mono_mb_create_method (mb, sig, 8);
9921 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_ISINST_WITH_CACHE);
9922 mono_marshal_set_wrapper_info (res, info);
9925 if (InterlockedCompareExchangePointer ((volatile gpointer *)&cached, res, NULL)) {
9926 mono_free_method (res);
9927 mono_metadata_free_method_signature (sig);
9935 * mono_marshal_get_isinst:
9936 * @klass: the type of the field
9938 * This method generates a function which can be used to check if an object is
9939 * an instance of the given type, icluding the case where the object is a proxy.
9940 * The generated function has the following signature:
9941 * MonoObject* __isinst_wrapper_ (MonoObject *obj)
9944 mono_marshal_get_isinst (MonoClass *klass)
9946 static MonoMethodSignature *isint_sig = NULL;
9949 int pos_was_ok, pos_end;
9950 #ifndef DISABLE_REMOTING
9951 int pos_end2, pos_failed;
9954 MonoMethodBuilder *mb;
9956 cache = get_cache (&klass->image->isinst_cache, mono_aligned_addr_hash, NULL);
9957 if ((res = mono_marshal_find_in_cache (cache, klass)))
9961 isint_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
9962 isint_sig->params [0] = &mono_defaults.object_class->byval_arg;
9963 isint_sig->ret = &mono_defaults.object_class->byval_arg;
9964 isint_sig->pinvoke = 0;
9967 name = g_strdup_printf ("__isinst_wrapper_%s", klass->name);
9968 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_ISINST);
9971 mb->method->save_lmf = 1;
9974 /* check if the object is a proxy that needs special cast */
9975 mono_mb_emit_ldarg (mb, 0);
9976 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
9977 mono_mb_emit_op (mb, CEE_MONO_CISINST, klass);
9979 /* The result of MONO_CISINST can be:
9980 0) the type check succeeded
9981 1) the type check did not succeed
9982 2) a CanCastTo call is needed */
9983 #ifndef DISABLE_REMOTING
9984 mono_mb_emit_byte (mb, CEE_DUP);
9985 pos_was_ok = mono_mb_emit_branch (mb, CEE_BRFALSE);
9987 mono_mb_emit_byte (mb, CEE_LDC_I4_2);
9988 pos_failed = mono_mb_emit_branch (mb, CEE_BNE_UN);
9990 /* get the real proxy from the transparent proxy*/
9992 mono_mb_emit_ldarg (mb, 0);
9993 mono_mb_emit_managed_call (mb, mono_marshal_get_proxy_cancast (klass), NULL);
9994 pos_end = mono_mb_emit_branch (mb, CEE_BR);
9998 mono_mb_patch_branch (mb, pos_failed);
9999 mono_mb_emit_byte (mb, CEE_LDNULL);
10000 pos_end2 = mono_mb_emit_branch (mb, CEE_BR);
10004 mono_mb_patch_branch (mb, pos_was_ok);
10005 mono_mb_emit_byte (mb, CEE_POP);
10006 mono_mb_emit_ldarg (mb, 0);
10010 mono_mb_patch_branch (mb, pos_end);
10011 mono_mb_patch_branch (mb, pos_end2);
10012 mono_mb_emit_byte (mb, CEE_RET);
10014 pos_was_ok = mono_mb_emit_branch (mb, CEE_BRFALSE);
10018 mono_mb_emit_byte (mb, CEE_LDNULL);
10019 pos_end = mono_mb_emit_branch (mb, CEE_BR);
10023 mono_mb_patch_branch (mb, pos_was_ok);
10024 mono_mb_emit_ldarg (mb, 0);
10028 mono_mb_patch_branch (mb, pos_end);
10029 mono_mb_emit_byte (mb, CEE_RET);
10030 #endif /* DISABLE_REMOTING */
10031 #endif /* DISABLE_JIT */
10033 res = mono_mb_create_and_cache (cache, klass, mb, isint_sig, isint_sig->param_count + 16);
10040 * mono_marshal_get_castclass:
10041 * @klass: the type of the field
10043 * This method generates a function which can be used to cast an object to
10044 * an instance of the given type, icluding the case where the object is a proxy.
10045 * The generated function has the following signature:
10046 * MonoObject* __castclass_wrapper_ (MonoObject *obj)
10047 * The wrapper info for the wrapper is a WrapperInfo structure.
10050 mono_marshal_get_castclass (MonoClass *klass)
10052 static MonoMethodSignature *castclass_sig = NULL;
10055 #ifndef DISABLE_REMOTING
10056 int pos_was_ok, pos_was_ok2;
10059 MonoMethodBuilder *mb;
10062 cache = get_cache (&klass->image->castclass_cache, mono_aligned_addr_hash, NULL);
10063 if ((res = mono_marshal_find_in_cache (cache, klass)))
10066 if (!castclass_sig) {
10067 castclass_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
10068 castclass_sig->params [0] = &mono_defaults.object_class->byval_arg;
10069 castclass_sig->ret = &mono_defaults.object_class->byval_arg;
10070 castclass_sig->pinvoke = 0;
10073 name = g_strdup_printf ("__castclass_wrapper_%s", klass->name);
10074 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_CASTCLASS);
10077 mb->method->save_lmf = 1;
10079 #ifndef DISABLE_JIT
10080 /* check if the object is a proxy that needs special cast */
10081 mono_mb_emit_ldarg (mb, 0);
10082 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
10083 mono_mb_emit_op (mb, CEE_MONO_CCASTCLASS, klass);
10085 /* The result of MONO_CCASTCLASS can be:
10086 0) the cast is valid
10087 1) cast of unknown proxy type
10088 or an exception if the cast is is invalid
10090 #ifndef DISABLE_REMOTING
10091 pos_was_ok = mono_mb_emit_branch (mb, CEE_BRFALSE);
10093 /* get the real proxy from the transparent proxy*/
10095 mono_mb_emit_ldarg (mb, 0);
10096 mono_mb_emit_managed_call (mb, mono_marshal_get_proxy_cancast (klass), NULL);
10097 pos_was_ok2 = mono_mb_emit_branch (mb, CEE_BRTRUE);
10100 mono_mb_emit_exception (mb, "InvalidCastException", NULL);
10103 mono_mb_patch_branch (mb, pos_was_ok);
10104 mono_mb_patch_branch (mb, pos_was_ok2);
10106 /* MONO_CCASTCLASS leaves an int in the stack with the result, pop it. */
10107 mono_mb_emit_byte (mb, CEE_POP);
10108 #endif /* DISABLE_REMOTING */
10110 mono_mb_emit_ldarg (mb, 0);
10113 mono_mb_emit_byte (mb, CEE_RET);
10114 #endif /* DISABLE_JIT */
10116 res = mono_mb_create_and_cache (cache, klass, mb, castclass_sig, castclass_sig->param_count + 16);
10119 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_NONE);
10120 mono_marshal_set_wrapper_info (res, info);
10125 #ifndef DISABLE_REMOTING
10127 mono_marshal_get_proxy_cancast (MonoClass *klass)
10129 static MonoMethodSignature *isint_sig = NULL;
10132 int pos_failed, pos_end;
10133 char *name, *klass_name;
10134 MonoMethod *can_cast_to;
10135 MonoMethodDesc *desc;
10136 MonoMethodBuilder *mb;
10138 cache = get_cache (&klass->image->proxy_isinst_cache, mono_aligned_addr_hash, NULL);
10139 if ((res = mono_marshal_find_in_cache (cache, klass)))
10143 isint_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
10144 isint_sig->params [0] = &mono_defaults.object_class->byval_arg;
10145 isint_sig->ret = &mono_defaults.object_class->byval_arg;
10146 isint_sig->pinvoke = 0;
10149 klass_name = mono_type_full_name (&klass->byval_arg);
10150 name = g_strdup_printf ("__proxy_isinst_wrapper_%s", klass_name);
10151 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_PROXY_ISINST);
10152 g_free (klass_name);
10155 mb->method->save_lmf = 1;
10157 #ifndef DISABLE_JIT
10158 /* get the real proxy from the transparent proxy*/
10159 mono_mb_emit_ldarg (mb, 0);
10160 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
10161 mono_mb_emit_byte (mb, CEE_LDIND_REF);
10163 /* get the reflection type from the type handle */
10164 mono_mb_emit_ptr (mb, &klass->byval_arg);
10165 mono_mb_emit_icall (mb, type_from_handle);
10167 mono_mb_emit_ldarg (mb, 0);
10169 /* make the call to CanCastTo (type, ob) */
10170 desc = mono_method_desc_new ("IRemotingTypeInfo:CanCastTo", FALSE);
10171 can_cast_to = mono_method_desc_search_in_class (desc, mono_defaults.iremotingtypeinfo_class);
10172 g_assert (can_cast_to);
10173 mono_method_desc_free (desc);
10174 mono_mb_emit_op (mb, CEE_CALLVIRT, can_cast_to);
10176 pos_failed = mono_mb_emit_branch (mb, CEE_BRFALSE);
10178 /* Upgrade the proxy vtable by calling: mono_upgrade_remote_class_wrapper (type, ob)*/
10179 mono_mb_emit_ptr (mb, &klass->byval_arg);
10180 mono_mb_emit_icall (mb, type_from_handle);
10181 mono_mb_emit_ldarg (mb, 0);
10183 mono_mb_emit_icall (mb, mono_upgrade_remote_class_wrapper);
10184 emit_thread_interrupt_checkpoint (mb);
10186 mono_mb_emit_ldarg (mb, 0);
10187 pos_end = mono_mb_emit_branch (mb, CEE_BR);
10191 mono_mb_patch_branch (mb, pos_failed);
10192 mono_mb_emit_byte (mb, CEE_LDNULL);
10196 mono_mb_patch_branch (mb, pos_end);
10197 mono_mb_emit_byte (mb, CEE_RET);
10200 res = mono_mb_create_and_cache (cache, klass, mb, isint_sig, isint_sig->param_count + 16);
10207 mono_upgrade_remote_class_wrapper (MonoReflectionType *rtype, MonoTransparentProxy *tproxy)
10210 MonoDomain *domain = ((MonoObject*)tproxy)->vtable->domain;
10211 klass = mono_class_from_mono_type (rtype->type);
10212 mono_upgrade_remote_class (domain, (MonoObject*)tproxy, klass);
10214 #endif /*DISABLE_REMOTING */
10217 * mono_marshal_get_struct_to_ptr:
10220 * generates IL code for StructureToPtr (object structure, IntPtr ptr, bool fDeleteOld)
10221 * The wrapper info for the wrapper is a WrapperInfo structure.
10224 mono_marshal_get_struct_to_ptr (MonoClass *klass)
10226 MonoMethodBuilder *mb;
10227 static MonoMethod *stoptr = NULL;
10231 g_assert (klass != NULL);
10233 mono_marshal_load_type_info (klass);
10235 if (klass->marshal_info->str_to_ptr)
10236 return klass->marshal_info->str_to_ptr;
10239 stoptr = mono_class_get_method_from_name (mono_defaults.marshal_class, "StructureToPtr", 3);
10242 mb = mono_mb_new (klass, stoptr->name, MONO_WRAPPER_UNKNOWN);
10244 #ifndef DISABLE_JIT
10245 if (klass->blittable) {
10246 mono_mb_emit_byte (mb, CEE_LDARG_1);
10247 mono_mb_emit_byte (mb, CEE_LDARG_0);
10248 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
10249 mono_mb_emit_icon (mb, mono_class_value_size (klass, NULL));
10250 mono_mb_emit_byte (mb, CEE_PREFIX1);
10251 mono_mb_emit_byte (mb, CEE_CPBLK);
10254 /* allocate local 0 (pointer) src_ptr */
10255 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10256 /* allocate local 1 (pointer) dst_ptr */
10257 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10258 /* allocate local 2 (boolean) delete_old */
10259 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
10260 mono_mb_emit_byte (mb, CEE_LDARG_2);
10261 mono_mb_emit_stloc (mb, 2);
10263 /* initialize src_ptr to point to the start of object data */
10264 mono_mb_emit_byte (mb, CEE_LDARG_0);
10265 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
10266 mono_mb_emit_stloc (mb, 0);
10268 /* initialize dst_ptr */
10269 mono_mb_emit_byte (mb, CEE_LDARG_1);
10270 mono_mb_emit_stloc (mb, 1);
10272 emit_struct_conv (mb, klass, FALSE);
10275 mono_mb_emit_byte (mb, CEE_RET);
10278 res = mono_mb_create_method (mb, mono_signature_no_pinvoke (stoptr), 0);
10281 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_STRUCTURE_TO_PTR);
10282 mono_marshal_set_wrapper_info (res, info);
10284 klass->marshal_info->str_to_ptr = res;
10289 * mono_marshal_get_ptr_to_struct:
10292 * generates IL code for PtrToStructure (IntPtr src, object structure)
10293 * The wrapper info for the wrapper is a WrapperInfo structure.
10296 mono_marshal_get_ptr_to_struct (MonoClass *klass)
10298 MonoMethodBuilder *mb;
10299 static MonoMethodSignature *ptostr = NULL;
10303 g_assert (klass != NULL);
10305 mono_marshal_load_type_info (klass);
10307 if (klass->marshal_info->ptr_to_str)
10308 return klass->marshal_info->ptr_to_str;
10311 MonoMethodSignature *sig;
10313 /* Create the signature corresponding to
10314 static void PtrToStructure (IntPtr ptr, object structure);
10315 defined in class/corlib/System.Runtime.InteropServices/Marshal.cs */
10316 sig = mono_create_icall_signature ("void ptr object");
10317 sig = signature_dup (mono_defaults.corlib, sig);
10319 mono_memory_barrier ();
10323 mb = mono_mb_new (klass, "PtrToStructure", MONO_WRAPPER_UNKNOWN);
10325 #ifndef DISABLE_JIT
10326 if (klass->blittable) {
10327 mono_mb_emit_byte (mb, CEE_LDARG_1);
10328 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
10329 mono_mb_emit_byte (mb, CEE_LDARG_0);
10330 mono_mb_emit_icon (mb, mono_class_value_size (klass, NULL));
10331 mono_mb_emit_byte (mb, CEE_PREFIX1);
10332 mono_mb_emit_byte (mb, CEE_CPBLK);
10335 /* allocate local 0 (pointer) src_ptr */
10336 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10337 /* allocate local 1 (pointer) dst_ptr */
10338 mono_mb_add_local (mb, &klass->this_arg);
10340 /* initialize src_ptr to point to the start of object data */
10341 mono_mb_emit_byte (mb, CEE_LDARG_0);
10342 mono_mb_emit_stloc (mb, 0);
10344 /* initialize dst_ptr */
10345 mono_mb_emit_byte (mb, CEE_LDARG_1);
10346 mono_mb_emit_op (mb, CEE_UNBOX, klass);
10347 mono_mb_emit_stloc (mb, 1);
10349 emit_struct_conv (mb, klass, TRUE);
10352 mono_mb_emit_byte (mb, CEE_RET);
10355 res = mono_mb_create_method (mb, ptostr, 0);
10358 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_PTR_TO_STRUCTURE);
10359 mono_marshal_set_wrapper_info (res, info);
10361 klass->marshal_info->ptr_to_str = res;
10366 * Return a dummy wrapper for METHOD which is called by synchronized wrappers.
10367 * This is used to avoid infinite recursion since it is hard to determine where to
10368 * replace a method with its synchronized wrapper, and where not.
10369 * The runtime should execute METHOD instead of the wrapper.
10370 * The wrapper info for the wrapper is a WrapperInfo structure.
10373 mono_marshal_get_synchronized_inner_wrapper (MonoMethod *method)
10375 MonoMethodBuilder *mb;
10377 MonoMethodSignature *sig;
10379 MonoGenericContext *ctx = NULL;
10380 MonoMethod *orig_method = NULL;
10381 MonoGenericContainer *container = NULL;
10383 if (method->is_inflated && !mono_method_get_context (method)->method_inst) {
10384 orig_method = method;
10385 ctx = &((MonoMethodInflated*)method)->context;
10386 method = ((MonoMethodInflated*)method)->declaring;
10387 container = mono_method_get_generic_container (method);
10389 container = method->klass->generic_container;
10390 g_assert (container);
10393 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_UNKNOWN);
10394 #ifndef DISABLE_JIT
10395 mono_mb_emit_exception_full (mb, "System", "ExecutionEngineException", "Shouldn't be called.");
10396 mono_mb_emit_byte (mb, CEE_RET);
10398 sig = signature_dup (method->klass->image, mono_method_signature (method));
10399 res = mono_mb_create_method (mb, sig, 0);
10401 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_SYNCHRONIZED_INNER);
10402 info->d.synchronized_inner.method = method;
10403 mono_marshal_set_wrapper_info (res, info);
10405 res = mono_class_inflate_generic_method (res, ctx);
10410 * generates IL code for the synchronized wrapper: the generated method
10411 * calls METHOD while locking 'this' or the parent type.
10414 mono_marshal_get_synchronized_wrapper (MonoMethod *method)
10416 static MonoMethod *enter_method, *exit_method, *gettypefromhandle_method;
10417 MonoMethodSignature *sig;
10418 MonoExceptionClause *clause;
10419 MonoMethodBuilder *mb;
10422 int i, pos, this_local, ret_local = 0;
10423 MonoGenericContext *ctx = NULL;
10424 MonoMethod *orig_method = NULL;
10425 MonoGenericContainer *container = NULL;
10429 if (method->wrapper_type == MONO_WRAPPER_SYNCHRONIZED)
10432 /* FIXME: Support generic methods too */
10433 if (method->is_inflated && !mono_method_get_context (method)->method_inst) {
10434 orig_method = method;
10435 ctx = &((MonoMethodInflated*)method)->context;
10436 method = ((MonoMethodInflated*)method)->declaring;
10437 container = mono_method_get_generic_container (method);
10439 container = method->klass->generic_container;
10440 g_assert (container);
10447 cache = get_cache (&method->klass->image->synchronized_generic_cache, mono_aligned_addr_hash, NULL);
10448 res = check_generic_wrapper_cache (cache, orig_method, orig_method, method);
10452 cache = get_cache (&method->klass->image->synchronized_cache, mono_aligned_addr_hash, NULL);
10453 if ((res = mono_marshal_find_in_cache (cache, method)))
10457 sig = signature_dup (method->klass->image, mono_method_signature (method));
10460 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_SYNCHRONIZED);
10462 #ifndef DISABLE_JIT
10464 if (!MONO_TYPE_IS_VOID (sig->ret))
10465 ret_local = mono_mb_add_local (mb, sig->ret);
10468 if (method->klass->valuetype && !(method->flags & MONO_METHOD_ATTR_STATIC)) {
10469 mono_class_set_failure (method->klass, MONO_EXCEPTION_TYPE_LOAD, NULL);
10470 #ifndef DISABLE_JIT
10471 /* This will throw the type load exception when the wrapper is compiled */
10472 mono_mb_emit_byte (mb, CEE_LDNULL);
10473 mono_mb_emit_op (mb, CEE_ISINST, method->klass);
10474 mono_mb_emit_byte (mb, CEE_POP);
10476 if (!MONO_TYPE_IS_VOID (sig->ret))
10477 mono_mb_emit_ldloc (mb, ret_local);
10478 mono_mb_emit_byte (mb, CEE_RET);
10481 res = mono_mb_create_and_cache (cache, method,
10482 mb, sig, sig->param_count + 16);
10488 #ifndef DISABLE_JIT
10490 this_local = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
10492 clause = mono_image_alloc0 (method->klass->image, sizeof (MonoExceptionClause));
10493 clause->flags = MONO_EXCEPTION_CLAUSE_FINALLY;
10496 mono_marshal_lock ();
10498 if (!enter_method) {
10499 MonoMethodDesc *desc;
10501 desc = mono_method_desc_new ("Monitor:Enter", FALSE);
10502 enter_method = mono_method_desc_search_in_class (desc, mono_defaults.monitor_class);
10503 g_assert (enter_method);
10504 mono_method_desc_free (desc);
10506 desc = mono_method_desc_new ("Monitor:Exit", FALSE);
10507 exit_method = mono_method_desc_search_in_class (desc, mono_defaults.monitor_class);
10508 g_assert (exit_method);
10509 mono_method_desc_free (desc);
10511 desc = mono_method_desc_new ("Type:GetTypeFromHandle", FALSE);
10512 gettypefromhandle_method = mono_method_desc_search_in_class (desc, mono_defaults.systemtype_class);
10513 g_assert (gettypefromhandle_method);
10514 mono_method_desc_free (desc);
10517 mono_marshal_unlock ();
10519 #ifndef DISABLE_JIT
10520 /* Push this or the type object */
10521 if (method->flags & METHOD_ATTRIBUTE_STATIC) {
10522 /* We have special handling for this in the JIT */
10523 int index = mono_mb_add_data (mb, method->klass);
10524 mono_mb_add_data (mb, mono_defaults.typehandle_class);
10525 mono_mb_emit_byte (mb, CEE_LDTOKEN);
10526 mono_mb_emit_i4 (mb, index);
10528 mono_mb_emit_managed_call (mb, gettypefromhandle_method, NULL);
10531 mono_mb_emit_ldarg (mb, 0);
10532 mono_mb_emit_stloc (mb, this_local);
10534 /* Call Monitor::Enter() */
10535 mono_mb_emit_ldloc (mb, this_local);
10536 mono_mb_emit_managed_call (mb, enter_method, NULL);
10538 clause->try_offset = mono_mb_get_label (mb);
10540 /* Call the method */
10542 mono_mb_emit_ldarg (mb, 0);
10543 for (i = 0; i < sig->param_count; i++)
10544 mono_mb_emit_ldarg (mb, i + (sig->hasthis == TRUE));
10547 mono_mb_emit_managed_call (mb, mono_class_inflate_generic_method (method, &container->context), NULL);
10549 mono_mb_emit_managed_call (mb, method, NULL);
10551 if (!MONO_TYPE_IS_VOID (sig->ret))
10552 mono_mb_emit_stloc (mb, ret_local);
10554 pos = mono_mb_emit_branch (mb, CEE_LEAVE);
10556 clause->try_len = mono_mb_get_pos (mb) - clause->try_offset;
10557 clause->handler_offset = mono_mb_get_label (mb);
10559 /* Call Monitor::Exit() */
10560 mono_mb_emit_ldloc (mb, this_local);
10561 mono_mb_emit_managed_call (mb, exit_method, NULL);
10562 mono_mb_emit_byte (mb, CEE_ENDFINALLY);
10564 clause->handler_len = mono_mb_get_pos (mb) - clause->handler_offset;
10566 mono_mb_patch_branch (mb, pos);
10567 if (!MONO_TYPE_IS_VOID (sig->ret))
10568 mono_mb_emit_ldloc (mb, ret_local);
10569 mono_mb_emit_byte (mb, CEE_RET);
10571 mono_mb_set_clauses (mb, 1, clause);
10576 def = mono_mb_create_and_cache (cache, method, mb, sig, sig->param_count + 16);
10577 res = cache_generic_wrapper (cache, orig_method, def, ctx, orig_method);
10579 res = mono_mb_create_and_cache (cache, method,
10580 mb, sig, sig->param_count + 16);
10589 * the returned method calls 'method' unboxing the this argument
10592 mono_marshal_get_unbox_wrapper (MonoMethod *method)
10594 MonoMethodSignature *sig = mono_method_signature (method);
10596 MonoMethodBuilder *mb;
10600 cache = get_cache (&method->klass->image->unbox_wrapper_cache, mono_aligned_addr_hash, NULL);
10601 if ((res = mono_marshal_find_in_cache (cache, method)))
10604 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_UNBOX);
10606 g_assert (sig->hasthis);
10608 #ifndef DISABLE_JIT
10609 mono_mb_emit_ldarg (mb, 0);
10610 mono_mb_emit_icon (mb, sizeof (MonoObject));
10611 mono_mb_emit_byte (mb, CEE_ADD);
10612 for (i = 0; i < sig->param_count; ++i)
10613 mono_mb_emit_ldarg (mb, i + 1);
10614 mono_mb_emit_managed_call (mb, method, NULL);
10615 mono_mb_emit_byte (mb, CEE_RET);
10618 res = mono_mb_create_and_cache (cache, method,
10619 mb, sig, sig->param_count + 16);
10622 /* code_for (res); */
10628 STELEMREF_OBJECT, /*no check at all*/
10629 STELEMREF_SEALED_CLASS, /*check vtable->klass->element_type */
10630 STELEMREF_CLASS, /*only the klass->parents check*/
10631 STELEMREF_INTERFACE, /*interfaces without variant generic arguments. */
10632 STELEMREF_COMPLEX, /*arrays, MBR or types with variant generic args - go straight to icalls*/
10633 STELEMREF_KIND_COUNT
10636 static const char *strelemref_wrapper_name[] = {
10637 "object", "sealed_class", "class", "interface", "complex"
10641 is_monomorphic_array (MonoClass *klass)
10643 MonoClass *element_class;
10644 if (klass->rank != 1)
10647 element_class = klass->element_class;
10648 return (element_class->flags & TYPE_ATTRIBUTE_SEALED) || element_class->valuetype;
10652 get_virtual_stelemref_kind (MonoClass *element_class)
10654 if (element_class == mono_defaults.object_class)
10655 return STELEMREF_OBJECT;
10656 if (is_monomorphic_array (element_class))
10657 return STELEMREF_SEALED_CLASS;
10658 /* Compressed interface bitmaps require code that is quite complex, so don't optimize for it. */
10659 if (MONO_CLASS_IS_INTERFACE (element_class) && !mono_class_has_variant_generic_params (element_class))
10660 #ifdef COMPRESSED_INTERFACE_BITMAP
10661 return STELEMREF_COMPLEX;
10663 return STELEMREF_INTERFACE;
10665 /*Arrays are sealed but are covariant on their element type, We can't use any of the fast paths.*/
10666 if (mono_class_is_marshalbyref (element_class) || element_class->rank || mono_class_has_variant_generic_params (element_class))
10667 return STELEMREF_COMPLEX;
10668 if (element_class->flags & TYPE_ATTRIBUTE_SEALED)
10669 return STELEMREF_SEALED_CLASS;
10670 return STELEMREF_CLASS;
10673 #ifndef DISABLE_JIT
10676 load_array_element_address (MonoMethodBuilder *mb)
10678 mono_mb_emit_ldarg (mb, 0);
10679 mono_mb_emit_ldarg (mb, 1);
10680 mono_mb_emit_op (mb, CEE_LDELEMA, mono_defaults.object_class);
10684 load_array_class (MonoMethodBuilder *mb, int aklass)
10686 mono_mb_emit_ldarg (mb, 0);
10687 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
10688 mono_mb_emit_byte (mb, CEE_LDIND_I);
10689 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, klass));
10690 mono_mb_emit_byte (mb, CEE_LDIND_I);
10691 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, element_class));
10692 mono_mb_emit_byte (mb, CEE_LDIND_I);
10693 mono_mb_emit_stloc (mb, aklass);
10697 load_value_class (MonoMethodBuilder *mb, int vklass)
10699 mono_mb_emit_ldarg (mb, 2);
10700 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
10701 mono_mb_emit_byte (mb, CEE_LDIND_I);
10702 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, klass));
10703 mono_mb_emit_byte (mb, CEE_LDIND_I);
10704 mono_mb_emit_stloc (mb, vklass);
10710 record_slot_vstore (MonoObject *array, size_t index, MonoObject *value)
10712 char *name = mono_type_get_full_name (array->vtable->klass->element_class);
10713 printf ("slow vstore of %s\n", name);
10719 * The wrapper info for the wrapper is a WrapperInfo structure.
10722 * - Separate simple interfaces from variant interfaces or mbr types. This way we can avoid the icall for them.
10723 * - Emit a (new) mono bytecode that produces OP_COND_EXC_NE_UN to raise ArrayTypeMismatch
10724 * - Maybe mve some MonoClass field into the vtable to reduce the number of loads
10725 * - Add a case for arrays of arrays.
10728 get_virtual_stelemref_wrapper (int kind)
10730 static MonoMethod *cached_methods [STELEMREF_KIND_COUNT] = { NULL }; /*object iface sealed regular*/
10731 static MonoMethodSignature *signature;
10732 MonoMethodBuilder *mb;
10735 const char *param_names [16];
10736 guint32 b1, b2, b3;
10737 int aklass, vklass, vtable, uiid;
10738 int array_slot_addr;
10741 if (cached_methods [kind])
10742 return cached_methods [kind];
10744 name = g_strdup_printf ("virt_stelemref_%s", strelemref_wrapper_name [kind]);
10745 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_STELEMREF);
10749 MonoMethodSignature *sig = mono_metadata_signature_alloc (mono_defaults.corlib, 2);
10751 /* void this::stelemref (size_t idx, void* value) */
10752 sig->ret = &mono_defaults.void_class->byval_arg;
10753 sig->hasthis = TRUE;
10754 sig->params [0] = &mono_defaults.int_class->byval_arg; /* this is a natural sized int */
10755 sig->params [1] = &mono_defaults.object_class->byval_arg;
10759 #ifndef DISABLE_JIT
10760 param_names [0] = "index";
10761 param_names [1] = "value";
10762 mono_mb_set_param_names (mb, param_names);
10764 /*For now simply call plain old stelemref*/
10766 case STELEMREF_OBJECT:
10767 /* ldelema (implicit bound check) */
10768 load_array_element_address (mb);
10770 mono_mb_emit_ldarg (mb, 2);
10771 mono_mb_emit_byte (mb, CEE_STIND_REF);
10772 mono_mb_emit_byte (mb, CEE_RET);
10775 case STELEMREF_COMPLEX:
10777 <ldelema (bound check)>
10780 if (!mono_object_isinst (value, aklass))
10784 *array_slot_addr = value;
10787 throw new ArrayTypeMismatchException ();
10790 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10791 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
10795 /*Use this to debug/record stores that are going thru the slow path*/
10796 MonoMethodSignature *csig;
10797 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
10798 csig->ret = &mono_defaults.void_class->byval_arg;
10799 csig->params [0] = &mono_defaults.object_class->byval_arg;
10800 csig->params [1] = &mono_defaults.int_class->byval_arg; /* this is a natural sized int */
10801 csig->params [2] = &mono_defaults.object_class->byval_arg;
10802 mono_mb_emit_ldarg (mb, 0);
10803 mono_mb_emit_ldarg (mb, 1);
10804 mono_mb_emit_ldarg (mb, 2);
10805 mono_mb_emit_native_call (mb, csig, record_slot_vstore);
10809 /* ldelema (implicit bound check) */
10810 load_array_element_address (mb);
10811 mono_mb_emit_stloc (mb, array_slot_addr);
10813 /* if (!value) goto do_store */
10814 mono_mb_emit_ldarg (mb, 2);
10815 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
10817 /* aklass = array->vtable->klass->element_class */
10818 load_array_class (mb, aklass);
10820 /*if (mono_object_isinst (value, aklass)) */
10821 mono_mb_emit_ldarg (mb, 2);
10822 mono_mb_emit_ldloc (mb, aklass);
10823 mono_mb_emit_icall (mb, mono_object_isinst);
10824 b2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
10827 mono_mb_patch_branch (mb, b1);
10828 mono_mb_emit_ldloc (mb, array_slot_addr);
10829 mono_mb_emit_ldarg (mb, 2);
10830 mono_mb_emit_byte (mb, CEE_STIND_REF);
10831 mono_mb_emit_byte (mb, CEE_RET);
10833 /* do_exception: */
10834 mono_mb_patch_branch (mb, b2);
10836 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
10839 case STELEMREF_SEALED_CLASS:
10841 <ldelema (bound check)>
10845 aklass = array->vtable->klass->element_class;
10846 vklass = value->vtable->klass;
10848 if (vklass != aklass)
10852 *array_slot_addr = value;
10855 throw new ArrayTypeMismatchException ();
10857 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10858 vklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10859 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
10862 /* ldelema (implicit bound check) */
10863 load_array_element_address (mb);
10864 mono_mb_emit_stloc (mb, array_slot_addr);
10866 /* if (!value) goto do_store */
10867 mono_mb_emit_ldarg (mb, 2);
10868 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
10870 /* aklass = array->vtable->klass->element_class */
10871 load_array_class (mb, aklass);
10873 /* vklass = value->vtable->klass */
10874 load_value_class (mb, vklass);
10876 /*if (vklass != aklass) goto do_exception; */
10877 mono_mb_emit_ldloc (mb, aklass);
10878 mono_mb_emit_ldloc (mb, vklass);
10879 b2 = mono_mb_emit_branch (mb, CEE_BNE_UN);
10882 mono_mb_patch_branch (mb, b1);
10883 mono_mb_emit_ldloc (mb, array_slot_addr);
10884 mono_mb_emit_ldarg (mb, 2);
10885 mono_mb_emit_byte (mb, CEE_STIND_REF);
10886 mono_mb_emit_byte (mb, CEE_RET);
10888 /* do_exception: */
10889 mono_mb_patch_branch (mb, b2);
10890 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
10893 case STELEMREF_CLASS:
10896 <ldelema (bound check)>
10900 aklass = array->vtable->klass->element_class;
10901 vklass = value->vtable->klass;
10903 if (vklass->idepth < aklass->idepth)
10906 if (vklass->supertypes [aklass->idepth - 1] != aklass)
10910 *array_slot_addr = value;
10914 throw new ArrayTypeMismatchException ();
10916 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10917 vklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10918 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
10920 /* ldelema (implicit bound check) */
10921 load_array_element_address (mb);
10922 mono_mb_emit_stloc (mb, array_slot_addr);
10924 /* if (!value) goto do_store */
10925 mono_mb_emit_ldarg (mb, 2);
10926 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
10928 /* aklass = array->vtable->klass->element_class */
10929 load_array_class (mb, aklass);
10931 /* vklass = value->vtable->klass */
10932 load_value_class (mb, vklass);
10934 /*if (mono_object_isinst (value, aklass)) */
10935 mono_mb_emit_ldarg (mb, 2);
10936 mono_mb_emit_ldloc (mb, aklass);
10937 mono_mb_emit_icall (mb, mono_object_isinst);
10938 b2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
10940 /* if (vklass->idepth < aklass->idepth) goto failue */
10941 mono_mb_emit_ldloc (mb, vklass);
10942 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
10943 mono_mb_emit_byte (mb, CEE_LDIND_U2);
10945 mono_mb_emit_ldloc (mb, aklass);
10946 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
10947 mono_mb_emit_byte (mb, CEE_LDIND_U2);
10949 b2 = mono_mb_emit_branch (mb, CEE_BLT_UN);
10951 /* if (vklass->supertypes [aklass->idepth - 1] != aklass) goto failure */
10952 mono_mb_emit_ldloc (mb, vklass);
10953 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, supertypes));
10954 mono_mb_emit_byte (mb, CEE_LDIND_I);
10956 mono_mb_emit_ldloc (mb, aklass);
10957 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
10958 mono_mb_emit_byte (mb, CEE_LDIND_U2);
10959 mono_mb_emit_icon (mb, 1);
10960 mono_mb_emit_byte (mb, CEE_SUB);
10961 mono_mb_emit_icon (mb, sizeof (void*));
10962 mono_mb_emit_byte (mb, CEE_MUL);
10963 mono_mb_emit_byte (mb, CEE_ADD);
10964 mono_mb_emit_byte (mb, CEE_LDIND_I);
10966 mono_mb_emit_ldloc (mb, aklass);
10967 b3 = mono_mb_emit_branch (mb, CEE_BNE_UN);
10970 mono_mb_patch_branch (mb, b1);
10971 mono_mb_emit_ldloc (mb, array_slot_addr);
10972 mono_mb_emit_ldarg (mb, 2);
10973 mono_mb_emit_byte (mb, CEE_STIND_REF);
10974 mono_mb_emit_byte (mb, CEE_RET);
10976 /* do_exception: */
10977 mono_mb_patch_branch (mb, b2);
10978 mono_mb_patch_branch (mb, b3);
10980 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
10983 case STELEMREF_INTERFACE:
10990 klass = array->obj.vtable->klass->element_class;
10991 vt = value->vtable;
10992 uiid = klass->interface_id;
10993 if (uiid > vt->max_interface_id)
10995 if (!(vt->interface_bitmap [(uiid) >> 3] & (1 << ((uiid)&7))))
10998 mono_array_setref (array, index, value);
11001 mono_raise_exception (mono_get_exception_array_type_mismatch ());*/
11003 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
11004 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
11005 vtable = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
11006 uiid = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
11008 /* ldelema (implicit bound check) */
11009 load_array_element_address (mb);
11010 mono_mb_emit_stloc (mb, array_slot_addr);
11012 /* if (!value) goto do_store */
11013 mono_mb_emit_ldarg (mb, 2);
11014 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
11016 /* klass = array->vtable->klass->element_class */
11017 load_array_class (mb, aklass);
11019 /* vt = value->vtable */
11020 mono_mb_emit_ldarg (mb, 2);
11021 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
11022 mono_mb_emit_byte (mb, CEE_LDIND_I);
11023 mono_mb_emit_stloc (mb, vtable);
11025 /* uiid = klass->interface_id; */
11026 mono_mb_emit_ldloc (mb, aklass);
11027 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, interface_id));
11028 mono_mb_emit_byte (mb, CEE_LDIND_U2);
11029 mono_mb_emit_stloc (mb, uiid);
11031 /*if (uiid > vt->max_interface_id)*/
11032 mono_mb_emit_ldloc (mb, uiid);
11033 mono_mb_emit_ldloc (mb, vtable);
11034 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, max_interface_id));
11035 mono_mb_emit_byte (mb, CEE_LDIND_U2);
11036 b2 = mono_mb_emit_branch (mb, CEE_BGT_UN);
11038 /* if (!(vt->interface_bitmap [(uiid) >> 3] & (1 << ((uiid)&7)))) */
11040 /*vt->interface_bitmap*/
11041 mono_mb_emit_ldloc (mb, vtable);
11042 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, interface_bitmap));
11043 mono_mb_emit_byte (mb, CEE_LDIND_I);
11046 mono_mb_emit_ldloc (mb, uiid);
11047 mono_mb_emit_icon (mb, 3);
11048 mono_mb_emit_byte (mb, CEE_SHR_UN);
11050 /*vt->interface_bitmap [(uiid) >> 3]*/
11051 mono_mb_emit_byte (mb, CEE_ADD); /*interface_bitmap is a guint8 array*/
11052 mono_mb_emit_byte (mb, CEE_LDIND_U1);
11054 /*(1 << ((uiid)&7)))*/
11055 mono_mb_emit_icon (mb, 1);
11056 mono_mb_emit_ldloc (mb, uiid);
11057 mono_mb_emit_icon (mb, 7);
11058 mono_mb_emit_byte (mb, CEE_AND);
11059 mono_mb_emit_byte (mb, CEE_SHL);
11061 /*bitwise and the whole thing*/
11062 mono_mb_emit_byte (mb, CEE_AND);
11063 b3 = mono_mb_emit_branch (mb, CEE_BRFALSE);
11066 mono_mb_patch_branch (mb, b1);
11067 mono_mb_emit_ldloc (mb, array_slot_addr);
11068 mono_mb_emit_ldarg (mb, 2);
11069 mono_mb_emit_byte (mb, CEE_STIND_REF);
11070 mono_mb_emit_byte (mb, CEE_RET);
11072 /* do_exception: */
11073 mono_mb_patch_branch (mb, b2);
11074 mono_mb_patch_branch (mb, b3);
11075 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
11079 mono_mb_emit_ldarg (mb, 0);
11080 mono_mb_emit_ldarg (mb, 1);
11081 mono_mb_emit_ldarg (mb, 2);
11082 mono_mb_emit_managed_call (mb, mono_marshal_get_stelemref (), NULL);
11083 mono_mb_emit_byte (mb, CEE_RET);
11086 #endif /* DISABLE_JIT */
11088 res = mono_mb_create_method (mb, signature, 4);
11089 res->flags |= METHOD_ATTRIBUTE_VIRTUAL;
11091 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_VIRTUAL_STELEMREF);
11092 info->d.virtual_stelemref.kind = kind;
11093 mono_marshal_set_wrapper_info (res, info);
11095 mono_marshal_lock ();
11096 if (!cached_methods [kind]) {
11097 cached_methods [kind] = res;
11098 mono_marshal_unlock ();
11100 mono_marshal_unlock ();
11101 mono_free_method (res);
11105 return cached_methods [kind];
11109 mono_marshal_get_virtual_stelemref (MonoClass *array_class)
11113 g_assert (array_class->rank == 1);
11114 kind = get_virtual_stelemref_kind (array_class->element_class);
11116 return get_virtual_stelemref_wrapper (kind);
11120 mono_marshal_get_virtual_stelemref_wrappers (int *nwrappers)
11125 *nwrappers = STELEMREF_KIND_COUNT;
11126 res = g_malloc0 (STELEMREF_KIND_COUNT * sizeof (MonoMethod*));
11127 for (i = 0; i < STELEMREF_KIND_COUNT; ++i)
11128 res [i] = get_virtual_stelemref_wrapper (i);
11133 * The wrapper info for the wrapper is a WrapperInfo structure.
11136 mono_marshal_get_stelemref ()
11138 static MonoMethod* ret = NULL;
11139 MonoMethodSignature *sig;
11140 MonoMethodBuilder *mb;
11143 guint32 b1, b2, b3, b4;
11145 int aklass, vklass;
11146 int array_slot_addr;
11151 mb = mono_mb_new (mono_defaults.object_class, "stelemref", MONO_WRAPPER_STELEMREF);
11154 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
11156 /* void stelemref (void* array, int idx, void* value) */
11157 sig->ret = &mono_defaults.void_class->byval_arg;
11158 sig->params [0] = &mono_defaults.object_class->byval_arg;
11159 sig->params [1] = &mono_defaults.int_class->byval_arg; /* this is a natural sized int */
11160 sig->params [2] = &mono_defaults.object_class->byval_arg;
11162 #ifndef DISABLE_JIT
11163 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
11164 vklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
11165 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
11169 <ldelema (bound check)>
11173 aklass = array->vtable->klass->element_class;
11174 vklass = value->vtable->klass;
11176 if (vklass->idepth < aklass->idepth)
11179 if (vklass->supertypes [aklass->idepth - 1] != aklass)
11183 *array_slot_addr = value;
11187 if (mono_object_isinst (value, aklass))
11190 throw new ArrayTypeMismatchException ();
11193 /* ldelema (implicit bound check) */
11194 mono_mb_emit_ldarg (mb, 0);
11195 mono_mb_emit_ldarg (mb, 1);
11196 mono_mb_emit_op (mb, CEE_LDELEMA, mono_defaults.object_class);
11197 mono_mb_emit_stloc (mb, array_slot_addr);
11199 /* if (!value) goto do_store */
11200 mono_mb_emit_ldarg (mb, 2);
11201 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
11203 /* aklass = array->vtable->klass->element_class */
11204 mono_mb_emit_ldarg (mb, 0);
11205 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
11206 mono_mb_emit_byte (mb, CEE_LDIND_I);
11207 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, klass));
11208 mono_mb_emit_byte (mb, CEE_LDIND_I);
11209 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, element_class));
11210 mono_mb_emit_byte (mb, CEE_LDIND_I);
11211 mono_mb_emit_stloc (mb, aklass);
11213 /* vklass = value->vtable->klass */
11214 mono_mb_emit_ldarg (mb, 2);
11215 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
11216 mono_mb_emit_byte (mb, CEE_LDIND_I);
11217 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, klass));
11218 mono_mb_emit_byte (mb, CEE_LDIND_I);
11219 mono_mb_emit_stloc (mb, vklass);
11221 /* if (vklass->idepth < aklass->idepth) goto failue */
11222 mono_mb_emit_ldloc (mb, vklass);
11223 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
11224 mono_mb_emit_byte (mb, CEE_LDIND_U2);
11226 mono_mb_emit_ldloc (mb, aklass);
11227 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
11228 mono_mb_emit_byte (mb, CEE_LDIND_U2);
11230 b2 = mono_mb_emit_branch (mb, CEE_BLT_UN);
11232 /* if (vklass->supertypes [aklass->idepth - 1] != aklass) goto failure */
11233 mono_mb_emit_ldloc (mb, vklass);
11234 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, supertypes));
11235 mono_mb_emit_byte (mb, CEE_LDIND_I);
11237 mono_mb_emit_ldloc (mb, aklass);
11238 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
11239 mono_mb_emit_byte (mb, CEE_LDIND_U2);
11240 mono_mb_emit_icon (mb, 1);
11241 mono_mb_emit_byte (mb, CEE_SUB);
11242 mono_mb_emit_icon (mb, sizeof (void*));
11243 mono_mb_emit_byte (mb, CEE_MUL);
11244 mono_mb_emit_byte (mb, CEE_ADD);
11245 mono_mb_emit_byte (mb, CEE_LDIND_I);
11247 mono_mb_emit_ldloc (mb, aklass);
11249 b3 = mono_mb_emit_branch (mb, CEE_BNE_UN);
11251 copy_pos = mono_mb_get_label (mb);
11253 mono_mb_patch_branch (mb, b1);
11254 mono_mb_emit_ldloc (mb, array_slot_addr);
11255 mono_mb_emit_ldarg (mb, 2);
11256 mono_mb_emit_byte (mb, CEE_STIND_REF);
11258 mono_mb_emit_byte (mb, CEE_RET);
11261 mono_mb_patch_branch (mb, b2);
11262 mono_mb_patch_branch (mb, b3);
11264 mono_mb_emit_ldarg (mb, 2);
11265 mono_mb_emit_ldloc (mb, aklass);
11266 mono_mb_emit_icall (mb, mono_object_isinst);
11268 b4 = mono_mb_emit_branch (mb, CEE_BRTRUE);
11269 mono_mb_patch_addr (mb, b4, copy_pos - (b4 + 4));
11270 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
11272 mono_mb_emit_byte (mb, CEE_RET);
11275 ret = mono_mb_create_method (mb, sig, 4);
11278 info = mono_wrapper_info_create (ret, WRAPPER_SUBTYPE_NONE);
11279 mono_marshal_set_wrapper_info (ret, info);
11285 * mono_marshal_get_gsharedvt_in_wrapper:
11287 * This wrapper handles calls from normal code to gsharedvt code.
11289 * The wrapper info for the wrapper is a WrapperInfo structure.
11292 mono_marshal_get_gsharedvt_in_wrapper (void)
11294 static MonoMethod* ret = NULL;
11295 MonoMethodSignature *sig;
11296 MonoMethodBuilder *mb;
11302 mb = mono_mb_new (mono_defaults.object_class, "gsharedvt_in", MONO_WRAPPER_UNKNOWN);
11304 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
11305 sig->ret = &mono_defaults.void_class->byval_arg;
11307 #ifndef DISABLE_JIT
11309 * The body is generated by the JIT, we use a wrapper instead of a trampoline so EH works.
11311 mono_mb_emit_byte (mb, CEE_RET);
11314 ret = mono_mb_create_method (mb, sig, 4);
11317 info = mono_wrapper_info_create (ret, WRAPPER_SUBTYPE_GSHAREDVT_IN);
11318 mono_marshal_set_wrapper_info (ret, info);
11324 * mono_marshal_get_gsharedvt_out_wrapper:
11326 * This wrapper handles calls from gsharedvt code to normal code.
11328 * The wrapper info for the wrapper is a WrapperInfo structure.
11331 mono_marshal_get_gsharedvt_out_wrapper (void)
11333 static MonoMethod* ret = NULL;
11334 MonoMethodSignature *sig;
11335 MonoMethodBuilder *mb;
11341 mb = mono_mb_new (mono_defaults.object_class, "gsharedvt_out", MONO_WRAPPER_UNKNOWN);
11343 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
11344 sig->ret = &mono_defaults.void_class->byval_arg;
11346 #ifndef DISABLE_JIT
11348 * The body is generated by the JIT, we use a wrapper instead of a trampoline so EH works.
11350 mono_mb_emit_byte (mb, CEE_RET);
11353 ret = mono_mb_create_method (mb, sig, 4);
11356 info = mono_wrapper_info_create (ret, WRAPPER_SUBTYPE_GSHAREDVT_OUT);
11357 mono_marshal_set_wrapper_info (ret, info);
11365 MonoMethod *method;
11368 /* LOCKING: vars accessed under the marshal lock */
11369 static ArrayElemAddr *elem_addr_cache = NULL;
11370 static int elem_addr_cache_size = 0;
11371 static int elem_addr_cache_next = 0;
11374 * mono_marshal_get_array_address:
11375 * @rank: rank of the array type
11376 * @elem_size: size in bytes of an element of an array.
11378 * Returns a MonoMethd that implements the code to get the address
11379 * of an element in a multi-dimenasional array of @rank dimensions.
11380 * The returned method takes an array as the first argument and then
11381 * @rank indexes for the @rank dimensions.
11384 mono_marshal_get_array_address (int rank, int elem_size)
11387 MonoMethodBuilder *mb;
11388 MonoMethodSignature *sig;
11389 int i, bounds, ind, realidx;
11390 int branch_pos, *branch_positions;
11394 mono_marshal_lock ();
11395 for (i = 0; i < elem_addr_cache_next; ++i) {
11396 if (elem_addr_cache [i].rank == rank && elem_addr_cache [i].elem_size == elem_size) {
11397 ret = elem_addr_cache [i].method;
11401 mono_marshal_unlock ();
11405 branch_positions = g_new0 (int, rank);
11407 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1 + rank);
11409 /* void* address (void* array, int idx0, int idx1, int idx2, ...) */
11410 sig->ret = &mono_defaults.int_class->byval_arg;
11411 sig->params [0] = &mono_defaults.object_class->byval_arg;
11412 for (i = 0; i < rank; ++i) {
11413 sig->params [i + 1] = &mono_defaults.int32_class->byval_arg;
11416 mb = mono_mb_new (mono_defaults.object_class, "ElementAddr", MONO_WRAPPER_MANAGED_TO_MANAGED);
11418 #ifndef DISABLE_JIT
11419 bounds = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
11420 ind = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
11421 realidx = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
11423 /* bounds = array->bounds; */
11424 mono_mb_emit_ldarg (mb, 0);
11425 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoArray, bounds));
11426 mono_mb_emit_byte (mb, CEE_LDIND_I);
11427 mono_mb_emit_stloc (mb, bounds);
11429 /* ind is the overall element index, realidx is the partial index in a single dimension */
11430 /* ind = idx0 - bounds [0].lower_bound */
11431 mono_mb_emit_ldarg (mb, 1);
11432 mono_mb_emit_ldloc (mb, bounds);
11433 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArrayBounds, lower_bound));
11434 mono_mb_emit_byte (mb, CEE_ADD);
11435 mono_mb_emit_byte (mb, CEE_LDIND_I4);
11436 mono_mb_emit_byte (mb, CEE_SUB);
11437 mono_mb_emit_stloc (mb, ind);
11438 /* if (ind >= bounds [0].length) goto exeception; */
11439 mono_mb_emit_ldloc (mb, ind);
11440 mono_mb_emit_ldloc (mb, bounds);
11441 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArrayBounds, length));
11442 mono_mb_emit_byte (mb, CEE_ADD);
11443 mono_mb_emit_byte (mb, CEE_LDIND_I4);
11444 /* note that we use unsigned comparison */
11445 branch_pos = mono_mb_emit_branch (mb, CEE_BGE_UN);
11447 /* For large ranks (> 4?) use a loop n IL later to reduce code size.
11448 * We could also decide to ignore the passed elem_size and get it
11449 * from the array object, to reduce the number of methods we generate:
11450 * the additional cost is 3 memory loads and a non-immediate mul.
11452 for (i = 1; i < rank; ++i) {
11453 /* realidx = idxi - bounds [i].lower_bound */
11454 mono_mb_emit_ldarg (mb, 1 + i);
11455 mono_mb_emit_ldloc (mb, bounds);
11456 mono_mb_emit_icon (mb, (i * sizeof (MonoArrayBounds)) + G_STRUCT_OFFSET (MonoArrayBounds, lower_bound));
11457 mono_mb_emit_byte (mb, CEE_ADD);
11458 mono_mb_emit_byte (mb, CEE_LDIND_I4);
11459 mono_mb_emit_byte (mb, CEE_SUB);
11460 mono_mb_emit_stloc (mb, realidx);
11461 /* if (realidx >= bounds [i].length) goto exeception; */
11462 mono_mb_emit_ldloc (mb, realidx);
11463 mono_mb_emit_ldloc (mb, bounds);
11464 mono_mb_emit_icon (mb, (i * sizeof (MonoArrayBounds)) + G_STRUCT_OFFSET (MonoArrayBounds, length));
11465 mono_mb_emit_byte (mb, CEE_ADD);
11466 mono_mb_emit_byte (mb, CEE_LDIND_I4);
11467 branch_positions [i] = mono_mb_emit_branch (mb, CEE_BGE_UN);
11468 /* ind = ind * bounds [i].length + realidx */
11469 mono_mb_emit_ldloc (mb, ind);
11470 mono_mb_emit_ldloc (mb, bounds);
11471 mono_mb_emit_icon (mb, (i * sizeof (MonoArrayBounds)) + G_STRUCT_OFFSET (MonoArrayBounds, length));
11472 mono_mb_emit_byte (mb, CEE_ADD);
11473 mono_mb_emit_byte (mb, CEE_LDIND_I4);
11474 mono_mb_emit_byte (mb, CEE_MUL);
11475 mono_mb_emit_ldloc (mb, realidx);
11476 mono_mb_emit_byte (mb, CEE_ADD);
11477 mono_mb_emit_stloc (mb, ind);
11480 /* return array->vector + ind * element_size */
11481 mono_mb_emit_ldarg (mb, 0);
11482 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoArray, vector));
11483 mono_mb_emit_ldloc (mb, ind);
11484 mono_mb_emit_icon (mb, elem_size);
11485 mono_mb_emit_byte (mb, CEE_MUL);
11486 mono_mb_emit_byte (mb, CEE_ADD);
11487 mono_mb_emit_byte (mb, CEE_RET);
11489 /* patch the branches to get here and throw */
11490 for (i = 1; i < rank; ++i) {
11491 mono_mb_patch_branch (mb, branch_positions [i]);
11493 mono_mb_patch_branch (mb, branch_pos);
11494 /* throw exception */
11495 mono_mb_emit_exception (mb, "IndexOutOfRangeException", NULL);
11497 g_free (branch_positions);
11498 #endif /* DISABLE_JIT */
11500 ret = mono_mb_create_method (mb, sig, 4);
11503 /* cache the result */
11505 mono_marshal_lock ();
11506 for (i = 0; i < elem_addr_cache_next; ++i) {
11507 if (elem_addr_cache [i].rank == rank && elem_addr_cache [i].elem_size == elem_size) {
11508 /* FIXME: free ret */
11509 ret = elem_addr_cache [i].method;
11517 if (elem_addr_cache_next >= elem_addr_cache_size) {
11518 int new_size = elem_addr_cache_size + 4;
11519 ArrayElemAddr *new_array = g_new0 (ArrayElemAddr, new_size);
11520 memcpy (new_array, elem_addr_cache, elem_addr_cache_size * sizeof (ArrayElemAddr));
11521 g_free (elem_addr_cache);
11522 elem_addr_cache = new_array;
11523 elem_addr_cache_size = new_size;
11525 elem_addr_cache [elem_addr_cache_next].rank = rank;
11526 elem_addr_cache [elem_addr_cache_next].elem_size = elem_size;
11527 elem_addr_cache [elem_addr_cache_next].method = ret;
11528 elem_addr_cache_next ++;
11530 info = mono_wrapper_info_create (ret, WRAPPER_SUBTYPE_ELEMENT_ADDR);
11531 info->d.element_addr.rank = rank;
11532 info->d.element_addr.elem_size = elem_size;
11533 mono_marshal_set_wrapper_info (ret, info);
11535 mono_marshal_unlock ();
11540 * mono_marshal_get_array_accessor_wrapper:
11542 * Return a wrapper which just calls METHOD, which should be an Array Get/Set/Address method.
11545 mono_marshal_get_array_accessor_wrapper (MonoMethod *method)
11547 MonoMethodSignature *sig;
11548 MonoMethodBuilder *mb;
11552 MonoGenericContext *ctx = NULL;
11553 MonoMethod *orig_method = NULL;
11554 MonoGenericContainer *container = NULL;
11558 * These wrappers are needed to avoid the JIT replacing the calls to these methods with intrinsics
11559 * inside runtime invoke wrappers, thereby making the wrappers not unshareable.
11560 * FIXME: Use generic methods.
11567 g_assert_not_reached ();
11569 cache = get_cache (&method->klass->image->array_accessor_cache, mono_aligned_addr_hash, NULL);
11570 if ((res = mono_marshal_find_in_cache (cache, method)))
11574 sig = signature_dup (method->klass->image, mono_method_signature (method));
11577 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_UNKNOWN);
11579 #ifndef DISABLE_JIT
11580 /* Call the method */
11582 mono_mb_emit_ldarg (mb, 0);
11583 for (i = 0; i < sig->param_count; i++)
11584 mono_mb_emit_ldarg (mb, i + (sig->hasthis == TRUE));
11587 mono_mb_emit_managed_call (mb, mono_class_inflate_generic_method (method, &container->context), NULL);
11589 mono_mb_emit_managed_call (mb, method, NULL);
11590 mono_mb_emit_byte (mb, CEE_RET);
11595 def = mono_mb_create_and_cache (cache, method, mb, sig, sig->param_count + 16);
11596 res = cache_generic_wrapper (cache, orig_method, def, ctx, orig_method);
11598 res = mono_mb_create_and_cache (cache, method,
11599 mb, sig, sig->param_count + 16);
11600 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_ARRAY_ACCESSOR);
11601 info->d.array_accessor.method = method;
11602 mono_marshal_set_wrapper_info (res, info);
11610 mono_marshal_alloc (gulong size)
11615 res = CoTaskMemAlloc (size);
11617 res = g_try_malloc ((gulong)size);
11619 mono_gc_out_of_memory ((gulong)size);
11625 mono_marshal_free (gpointer ptr)
11628 CoTaskMemFree (ptr);
11635 mono_marshal_free_array (gpointer *ptr, int size)
11642 for (i = 0; i < size; i++)
11648 mono_marshal_string_to_utf16 (MonoString *s)
11650 return s ? mono_string_chars (s) : NULL;
11654 mono_marshal_string_to_utf16_copy (MonoString *s)
11659 gunichar2 *res = mono_marshal_alloc ((mono_string_length (s) * 2) + 2);
11660 memcpy (res, mono_string_chars (s), mono_string_length (s) * 2);
11661 res [mono_string_length (s)] = 0;
11667 * mono_marshal_set_last_error:
11669 * This function is invoked to set the last error value from a P/Invoke call
11670 * which has SetLastError set.
11673 mono_marshal_set_last_error (void)
11676 mono_native_tls_set_value (last_error_tls_id, GINT_TO_POINTER (GetLastError ()));
11678 mono_native_tls_set_value (last_error_tls_id, GINT_TO_POINTER (errno));
11683 mono_marshal_set_last_error_windows (int error)
11686 mono_native_tls_set_value (last_error_tls_id, GINT_TO_POINTER (error));
11691 ves_icall_System_Runtime_InteropServices_Marshal_copy_to_unmanaged (MonoArray *src, gint32 start_index,
11692 gpointer dest, gint32 length)
11697 MONO_ARCH_SAVE_REGS;
11699 MONO_CHECK_ARG_NULL (src);
11700 MONO_CHECK_ARG_NULL (dest);
11702 if (src->obj.vtable->klass->rank != 1)
11703 mono_raise_exception (mono_get_exception_argument ("array", "array is multi-dimensional"));
11704 if (start_index < 0)
11705 mono_raise_exception (mono_get_exception_argument ("startIndex", "Must be >= 0"));
11707 mono_raise_exception (mono_get_exception_argument ("length", "Must be >= 0"));
11708 if (start_index + length > mono_array_length (src))
11709 mono_raise_exception (mono_get_exception_argument ("length", "start_index + length > array length"));
11711 element_size = mono_array_element_size (src->obj.vtable->klass);
11713 /* no references should be involved */
11714 source_addr = mono_array_addr_with_size_fast (src, element_size, start_index);
11716 memcpy (dest, source_addr, length * element_size);
11720 ves_icall_System_Runtime_InteropServices_Marshal_copy_from_unmanaged (gpointer src, gint32 start_index,
11721 MonoArray *dest, gint32 length)
11726 MONO_ARCH_SAVE_REGS;
11728 MONO_CHECK_ARG_NULL (src);
11729 MONO_CHECK_ARG_NULL (dest);
11731 if (dest->obj.vtable->klass->rank != 1)
11732 mono_raise_exception (mono_get_exception_argument ("array", "array is multi-dimensional"));
11733 if (start_index < 0)
11734 mono_raise_exception (mono_get_exception_argument ("startIndex", "Must be >= 0"));
11736 mono_raise_exception (mono_get_exception_argument ("length", "Must be >= 0"));
11737 if (start_index + length > mono_array_length (dest))
11738 mono_raise_exception (mono_get_exception_argument ("length", "start_index + length > array length"));
11740 element_size = mono_array_element_size (dest->obj.vtable->klass);
11742 /* no references should be involved */
11743 dest_addr = mono_array_addr_with_size_fast (dest, element_size, start_index);
11745 memcpy (dest_addr, src, length * element_size);
11749 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringAnsi (char *ptr)
11751 MONO_ARCH_SAVE_REGS;
11756 return mono_string_new (mono_domain_get (), ptr);
11760 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringAnsi_len (char *ptr, gint32 len)
11762 MONO_ARCH_SAVE_REGS;
11765 mono_raise_exception (mono_get_exception_argument_null ("ptr"));
11766 g_assert_not_reached ();
11769 return mono_string_new_len (mono_domain_get (), ptr, len);
11774 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringUni (guint16 *ptr)
11776 MonoDomain *domain = mono_domain_get ();
11780 MONO_ARCH_SAVE_REGS;
11788 return mono_string_new_utf16 (domain, ptr, len);
11792 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringUni_len (guint16 *ptr, gint32 len)
11794 MonoDomain *domain = mono_domain_get ();
11796 MONO_ARCH_SAVE_REGS;
11799 mono_raise_exception (mono_get_exception_argument_null ("ptr"));
11800 g_assert_not_reached ();
11803 return mono_string_new_utf16 (domain, ptr, len);
11808 ves_icall_System_Runtime_InteropServices_Marshal_GetLastWin32Error (void)
11810 MONO_ARCH_SAVE_REGS;
11812 return (GPOINTER_TO_INT (mono_native_tls_get_value (last_error_tls_id)));
11816 ves_icall_System_Runtime_InteropServices_Marshal_SizeOf (MonoReflectionType *rtype)
11822 MONO_ARCH_SAVE_REGS;
11824 MONO_CHECK_ARG_NULL (rtype);
11826 type = rtype->type;
11827 klass = mono_class_from_mono_type (type);
11828 if (!mono_class_init (klass))
11829 mono_raise_exception (mono_class_get_exception_for_failure (klass));
11831 layout = (klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK);
11833 if (type->type == MONO_TYPE_PTR || type->type == MONO_TYPE_FNPTR) {
11834 return sizeof (gpointer);
11835 } else if (layout == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
11837 MonoException *exc;
11839 msg = g_strdup_printf ("Type %s cannot be marshaled as an unmanaged structure.", klass->name);
11840 exc = mono_get_exception_argument ("t", msg);
11842 mono_raise_exception (exc);
11846 return mono_class_native_size (klass, NULL);
11850 ves_icall_System_Runtime_InteropServices_Marshal_StructureToPtr (MonoObject *obj, gpointer dst, MonoBoolean delete_old)
11852 MonoMethod *method;
11855 MONO_ARCH_SAVE_REGS;
11857 MONO_CHECK_ARG_NULL (obj);
11858 MONO_CHECK_ARG_NULL (dst);
11860 method = mono_marshal_get_struct_to_ptr (obj->vtable->klass);
11864 pa [2] = &delete_old;
11866 mono_runtime_invoke (method, NULL, pa, NULL);
11870 ptr_to_structure (gpointer src, MonoObject *dst)
11872 MonoMethod *method;
11875 method = mono_marshal_get_ptr_to_struct (dst->vtable->klass);
11880 mono_runtime_invoke (method, NULL, pa, NULL);
11884 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure (gpointer src, MonoObject *dst)
11888 MONO_ARCH_SAVE_REGS;
11890 MONO_CHECK_ARG_NULL (src);
11891 MONO_CHECK_ARG_NULL (dst);
11893 t = mono_type_get_underlying_type (mono_class_get_type (dst->vtable->klass));
11895 if (t->type == MONO_TYPE_VALUETYPE) {
11896 MonoException *exc;
11899 tmp = g_strdup_printf ("Destination is a boxed value type.");
11900 exc = mono_get_exception_argument ("dst", tmp);
11903 mono_raise_exception (exc);
11907 ptr_to_structure (src, dst);
11911 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure_type (gpointer src, MonoReflectionType *type)
11914 MonoDomain *domain = mono_domain_get ();
11917 MONO_ARCH_SAVE_REGS;
11921 MONO_CHECK_ARG_NULL (type);
11923 klass = mono_class_from_mono_type (type->type);
11924 if (!mono_class_init (klass))
11925 mono_raise_exception (mono_class_get_exception_for_failure (klass));
11927 res = mono_object_new (domain, klass);
11929 ptr_to_structure (src, res);
11935 ves_icall_System_Runtime_InteropServices_Marshal_OffsetOf (MonoReflectionType *type, MonoString *field_name)
11937 MonoMarshalType *info;
11940 int match_index = -1;
11942 MONO_ARCH_SAVE_REGS;
11944 MONO_CHECK_ARG_NULL (type);
11945 MONO_CHECK_ARG_NULL (field_name);
11947 fname = mono_string_to_utf8 (field_name);
11948 klass = mono_class_from_mono_type (type->type);
11949 if (!mono_class_init (klass))
11950 mono_raise_exception (mono_class_get_exception_for_failure (klass));
11952 while (klass && match_index == -1) {
11953 MonoClassField* field;
11955 gpointer iter = NULL;
11956 while ((field = mono_class_get_fields (klass, &iter))) {
11957 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
11959 if (!strcmp (fname, mono_field_get_name (field))) {
11966 if (match_index == -1)
11967 klass = klass->parent;
11972 if(match_index == -1) {
11973 MonoException* exc;
11976 /* Get back original class instance */
11977 klass = mono_class_from_mono_type (type->type);
11979 tmp = g_strdup_printf ("Field passed in is not a marshaled member of the type %s", klass->name);
11980 exc = mono_get_exception_argument ("fieldName", tmp);
11983 mono_raise_exception ((MonoException*)exc);
11986 info = mono_marshal_load_type_info (klass);
11987 return info->fields [match_index].offset;
11991 ves_icall_System_Runtime_InteropServices_Marshal_StringToHGlobalAnsi (MonoString *string)
11996 tres = mono_string_to_utf8 (string);
12000 len = strlen (tres) + 1;
12001 ret = ves_icall_System_Runtime_InteropServices_Marshal_AllocHGlobal (len);
12002 memcpy (ret, tres, len);
12007 return mono_string_to_utf8 (string);
12012 ves_icall_System_Runtime_InteropServices_Marshal_StringToHGlobalUni (MonoString *string)
12014 MONO_ARCH_SAVE_REGS;
12016 if (string == NULL)
12019 #ifdef TARGET_WIN32
12020 gunichar2 *res = ves_icall_System_Runtime_InteropServices_Marshal_AllocHGlobal
12021 ((mono_string_length (string) + 1) * 2);
12023 gunichar2 *res = g_malloc ((mono_string_length (string) + 1) * 2);
12025 memcpy (res, mono_string_chars (string), mono_string_length (string) * 2);
12026 res [mono_string_length (string)] = 0;
12032 mono_struct_delete_old (MonoClass *klass, char *ptr)
12034 MonoMarshalType *info;
12037 info = mono_marshal_load_type_info (klass);
12039 for (i = 0; i < info->num_fields; i++) {
12040 MonoMarshalNative ntype;
12041 MonoMarshalConv conv;
12042 MonoType *ftype = info->fields [i].field->type;
12045 if (ftype->attrs & FIELD_ATTRIBUTE_STATIC)
12048 ntype = mono_type_to_unmanaged (ftype, info->fields [i].mspec, TRUE,
12049 klass->unicode, &conv);
12051 cpos = ptr + info->fields [i].offset;
12054 case MONO_MARSHAL_CONV_NONE:
12055 if (MONO_TYPE_ISSTRUCT (ftype)) {
12056 mono_struct_delete_old (ftype->data.klass, cpos);
12060 case MONO_MARSHAL_CONV_STR_LPWSTR:
12061 /* We assume this field points inside a MonoString */
12063 case MONO_MARSHAL_CONV_STR_LPTSTR:
12064 #ifdef TARGET_WIN32
12065 /* We assume this field points inside a MonoString
12069 case MONO_MARSHAL_CONV_STR_LPSTR:
12070 case MONO_MARSHAL_CONV_STR_BSTR:
12071 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
12072 case MONO_MARSHAL_CONV_STR_TBSTR:
12073 mono_marshal_free (*(gpointer *)cpos);
12083 ves_icall_System_Runtime_InteropServices_Marshal_DestroyStructure (gpointer src, MonoReflectionType *type)
12087 MONO_ARCH_SAVE_REGS;
12089 MONO_CHECK_ARG_NULL (src);
12090 MONO_CHECK_ARG_NULL (type);
12092 klass = mono_class_from_mono_type (type->type);
12093 if (!mono_class_init (klass))
12094 mono_raise_exception (mono_class_get_exception_for_failure (klass));
12096 mono_struct_delete_old (klass, (char *)src);
12100 ves_icall_System_Runtime_InteropServices_Marshal_AllocHGlobal (int size)
12104 MONO_ARCH_SAVE_REGS;
12106 if ((gulong)size == 0)
12107 /* This returns a valid pointer for size 0 on MS.NET */
12111 res = GlobalAlloc (GMEM_FIXED, (gulong)size);
12113 res = g_try_malloc ((gulong)size);
12116 mono_gc_out_of_memory ((gulong)size);
12122 ves_icall_System_Runtime_InteropServices_Marshal_ReAllocHGlobal (gpointer ptr, int size)
12127 mono_gc_out_of_memory ((gulong)size);
12132 res = GlobalReAlloc (ptr, (gulong)size, GMEM_MOVEABLE);
12134 res = g_try_realloc (ptr, (gulong)size);
12137 mono_gc_out_of_memory ((gulong)size);
12143 ves_icall_System_Runtime_InteropServices_Marshal_FreeHGlobal (void *ptr)
12145 MONO_ARCH_SAVE_REGS;
12155 ves_icall_System_Runtime_InteropServices_Marshal_AllocCoTaskMem (int size)
12157 MONO_ARCH_SAVE_REGS;
12160 return CoTaskMemAlloc (size);
12162 return g_try_malloc ((gulong)size);
12167 ves_icall_System_Runtime_InteropServices_Marshal_FreeCoTaskMem (void *ptr)
12169 MONO_ARCH_SAVE_REGS;
12172 CoTaskMemFree (ptr);
12179 ves_icall_System_Runtime_InteropServices_Marshal_ReAllocCoTaskMem (gpointer ptr, int size)
12181 MONO_ARCH_SAVE_REGS;
12184 return CoTaskMemRealloc (ptr, size);
12186 return g_try_realloc (ptr, (gulong)size);
12191 ves_icall_System_Runtime_InteropServices_Marshal_UnsafeAddrOfPinnedArrayElement (MonoArray *arrayobj, int index)
12193 return mono_array_addr_with_size_fast (arrayobj, mono_array_element_size (arrayobj->obj.vtable->klass), index);
12197 ves_icall_System_Runtime_InteropServices_Marshal_GetDelegateForFunctionPointerInternal (void *ftn, MonoReflectionType *type)
12199 MonoClass *klass = mono_type_get_class (type->type);
12200 if (!mono_class_init (klass))
12201 mono_raise_exception (mono_class_get_exception_for_failure (klass));
12203 return mono_ftnptr_to_delegate (klass, ftn);
12207 * mono_marshal_is_loading_type_info:
12209 * Return whenever mono_marshal_load_type_info () is being executed for KLASS by this
12213 mono_marshal_is_loading_type_info (MonoClass *klass)
12215 GSList *loads_list = mono_native_tls_get_value (load_type_info_tls_id);
12217 return g_slist_find (loads_list, klass) != NULL;
12221 * mono_marshal_load_type_info:
12223 * Initialize klass->marshal_info using information from metadata. This function can
12224 * recursively call itself, and the caller is responsible to avoid that by calling
12225 * mono_marshal_is_loading_type_info () beforehand.
12227 * LOCKING: Acquires the loader lock.
12230 mono_marshal_load_type_info (MonoClass* klass)
12233 guint32 native_size = 0, min_align = 1, packing;
12234 MonoMarshalType *info;
12235 MonoClassField* field;
12238 GSList *loads_list;
12240 g_assert (klass != NULL);
12242 if (klass->marshal_info)
12243 return klass->marshal_info;
12245 if (!klass->inited)
12246 mono_class_init (klass);
12248 if (klass->marshal_info)
12249 return klass->marshal_info;
12252 * This function can recursively call itself, so we keep the list of classes which are
12253 * under initialization in a TLS list.
12255 g_assert (!mono_marshal_is_loading_type_info (klass));
12256 loads_list = mono_native_tls_get_value (load_type_info_tls_id);
12257 loads_list = g_slist_prepend (loads_list, klass);
12258 mono_native_tls_set_value (load_type_info_tls_id, loads_list);
12261 while ((field = mono_class_get_fields (klass, &iter))) {
12262 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
12264 if (mono_field_is_deleted (field))
12269 layout = klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK;
12271 /* The mempool is protected by the loader lock */
12272 info = mono_image_alloc0 (klass->image, MONO_SIZEOF_MARSHAL_TYPE + sizeof (MonoMarshalField) * count);
12273 info->num_fields = count;
12275 /* Try to find a size for this type in metadata */
12276 mono_metadata_packing_from_typedef (klass->image, klass->type_token, NULL, &native_size);
12278 if (klass->parent) {
12279 int parent_size = mono_class_native_size (klass->parent, NULL);
12281 /* Add parent size to real size */
12282 native_size += parent_size;
12283 info->native_size = parent_size;
12286 packing = klass->packing_size ? klass->packing_size : 8;
12289 while ((field = mono_class_get_fields (klass, &iter))) {
12293 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
12296 if (mono_field_is_deleted (field))
12298 if (field->type->attrs & FIELD_ATTRIBUTE_HAS_FIELD_MARSHAL)
12299 mono_metadata_field_info_with_mempool (klass->image, mono_metadata_token_index (mono_class_get_field_token (field)) - 1,
12300 NULL, NULL, &info->fields [j].mspec);
12302 info->fields [j].field = field;
12304 if ((mono_class_num_fields (klass) == 1) && (klass->instance_size == sizeof (MonoObject)) &&
12305 (strcmp (mono_field_get_name (field), "$PRIVATE$") == 0)) {
12306 /* This field is a hack inserted by MCS to empty structures */
12311 case TYPE_ATTRIBUTE_AUTO_LAYOUT:
12312 case TYPE_ATTRIBUTE_SEQUENTIAL_LAYOUT:
12313 size = mono_marshal_type_size (field->type, info->fields [j].mspec,
12314 &align, TRUE, klass->unicode);
12315 align = klass->packing_size ? MIN (klass->packing_size, align): align;
12316 min_align = MAX (align, min_align);
12317 info->fields [j].offset = info->native_size;
12318 info->fields [j].offset += align - 1;
12319 info->fields [j].offset &= ~(align - 1);
12320 info->native_size = info->fields [j].offset + size;
12322 case TYPE_ATTRIBUTE_EXPLICIT_LAYOUT:
12323 size = mono_marshal_type_size (field->type, info->fields [j].mspec,
12324 &align, TRUE, klass->unicode);
12325 min_align = MAX (align, min_align);
12326 info->fields [j].offset = field->offset - sizeof (MonoObject);
12327 info->native_size = MAX (info->native_size, info->fields [j].offset + size);
12333 if (layout != TYPE_ATTRIBUTE_AUTO_LAYOUT) {
12334 info->native_size = MAX (native_size, info->native_size);
12336 * If the provided Size is equal or larger than the calculated size, and there
12337 * was no Pack attribute, we set min_align to 1 to avoid native_size being increased
12339 if (layout == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) {
12340 if (native_size && native_size == info->native_size && klass->packing_size == 0)
12343 min_align = MIN (min_align, packing);
12347 if (info->native_size & (min_align - 1)) {
12348 info->native_size += min_align - 1;
12349 info->native_size &= ~(min_align - 1);
12352 info->min_align = min_align;
12354 /* Update the class's blittable info, if the layouts don't match */
12355 if (info->native_size != mono_class_value_size (klass, NULL))
12356 klass->blittable = FALSE;
12358 /* If this is an array type, ensure that we have element info */
12359 if (klass->rank && !mono_marshal_is_loading_type_info (klass->element_class)) {
12360 mono_marshal_load_type_info (klass->element_class);
12363 loads_list = mono_native_tls_get_value (load_type_info_tls_id);
12364 loads_list = g_slist_remove (loads_list, klass);
12365 mono_native_tls_set_value (load_type_info_tls_id, loads_list);
12367 mono_marshal_lock ();
12368 if (!klass->marshal_info) {
12369 /*We do double-checking locking on marshal_info */
12370 mono_memory_barrier ();
12371 klass->marshal_info = info;
12373 mono_marshal_unlock ();
12375 return klass->marshal_info;
12379 * mono_class_native_size:
12382 * Returns: the native size of an object instance (when marshaled
12383 * to unmanaged code)
12386 mono_class_native_size (MonoClass *klass, guint32 *align)
12388 if (!klass->marshal_info) {
12389 if (mono_marshal_is_loading_type_info (klass)) {
12394 mono_marshal_load_type_info (klass);
12399 *align = klass->marshal_info->min_align;
12401 return klass->marshal_info->native_size;
12404 /* __alignof__ returns the preferred alignment of values not the actual alignment used by
12405 the compiler so is wrong e.g. for Linux where doubles are aligned on a 4 byte boundary
12406 but __alignof__ returns 8 - using G_STRUCT_OFFSET works better */
12407 #define ALIGNMENT(type) G_STRUCT_OFFSET(struct { char c; type x; }, x)
12410 * mono_type_native_stack_size:
12411 * @t: the type to return the size it uses on the stack
12413 * Returns: the number of bytes required to hold an instance of this
12414 * type on the native stack
12417 mono_type_native_stack_size (MonoType *t, guint32 *align)
12421 g_assert (t != NULL);
12427 *align = sizeof (gpointer);
12428 return sizeof (gpointer);
12432 case MONO_TYPE_BOOLEAN:
12433 case MONO_TYPE_CHAR:
12444 case MONO_TYPE_STRING:
12445 case MONO_TYPE_OBJECT:
12446 case MONO_TYPE_CLASS:
12447 case MONO_TYPE_SZARRAY:
12448 case MONO_TYPE_PTR:
12449 case MONO_TYPE_FNPTR:
12450 case MONO_TYPE_ARRAY:
12451 *align = sizeof (gpointer);
12452 return sizeof (gpointer);
12457 *align = ALIGNMENT (gdouble);
12461 *align = ALIGNMENT (glong);
12463 case MONO_TYPE_GENERICINST:
12464 if (!mono_type_generic_inst_is_valuetype (t)) {
12465 *align = sizeof (gpointer);
12466 return sizeof (gpointer);
12469 case MONO_TYPE_TYPEDBYREF:
12470 case MONO_TYPE_VALUETYPE: {
12472 MonoClass *klass = mono_class_from_mono_type (t);
12474 if (klass->enumtype)
12475 return mono_type_native_stack_size (mono_class_enum_basetype (klass), align);
12477 size = mono_class_native_size (klass, align);
12478 *align = *align + 3;
12488 g_error ("type 0x%02x unknown", t->type);
12494 mono_marshal_type_size (MonoType *type, MonoMarshalSpec *mspec, guint32 *align,
12495 gboolean as_field, gboolean unicode)
12497 MonoMarshalNative native_type = mono_type_to_unmanaged (type, mspec, as_field, unicode, NULL);
12500 switch (native_type) {
12501 case MONO_NATIVE_BOOLEAN:
12504 case MONO_NATIVE_I1:
12505 case MONO_NATIVE_U1:
12508 case MONO_NATIVE_I2:
12509 case MONO_NATIVE_U2:
12510 case MONO_NATIVE_VARIANTBOOL:
12513 case MONO_NATIVE_I4:
12514 case MONO_NATIVE_U4:
12515 case MONO_NATIVE_ERROR:
12518 case MONO_NATIVE_I8:
12519 case MONO_NATIVE_U8:
12520 *align = ALIGNMENT(guint64);
12522 case MONO_NATIVE_R4:
12525 case MONO_NATIVE_R8:
12526 *align = ALIGNMENT(double);
12528 case MONO_NATIVE_INT:
12529 case MONO_NATIVE_UINT:
12530 case MONO_NATIVE_LPSTR:
12531 case MONO_NATIVE_LPWSTR:
12532 case MONO_NATIVE_LPTSTR:
12533 case MONO_NATIVE_BSTR:
12534 case MONO_NATIVE_ANSIBSTR:
12535 case MONO_NATIVE_TBSTR:
12536 case MONO_NATIVE_LPARRAY:
12537 case MONO_NATIVE_SAFEARRAY:
12538 case MONO_NATIVE_IUNKNOWN:
12539 case MONO_NATIVE_IDISPATCH:
12540 case MONO_NATIVE_INTERFACE:
12541 case MONO_NATIVE_ASANY:
12542 case MONO_NATIVE_FUNC:
12543 case MONO_NATIVE_LPSTRUCT:
12544 *align = ALIGNMENT(gpointer);
12545 return sizeof (gpointer);
12546 case MONO_NATIVE_STRUCT:
12547 klass = mono_class_from_mono_type (type);
12548 if (klass == mono_defaults.object_class &&
12549 (mspec && mspec->native == MONO_NATIVE_STRUCT)) {
12553 return mono_class_native_size (klass, align);
12554 case MONO_NATIVE_BYVALTSTR: {
12555 int esize = unicode ? 2: 1;
12558 return mspec->data.array_data.num_elem * esize;
12560 case MONO_NATIVE_BYVALARRAY: {
12561 // FIXME: Have to consider ArraySubType
12563 klass = mono_class_from_mono_type (type);
12564 if (klass->element_class == mono_defaults.char_class) {
12565 esize = unicode ? 2 : 1;
12568 esize = mono_class_native_size (klass->element_class, align);
12571 return mspec->data.array_data.num_elem * esize;
12573 case MONO_NATIVE_CUSTOM:
12574 *align = sizeof (gpointer);
12575 return sizeof (gpointer);
12577 case MONO_NATIVE_CURRENCY:
12578 case MONO_NATIVE_VBBYREFSTR:
12580 g_error ("native type %02x not implemented", native_type);
12583 g_assert_not_reached ();
12588 mono_marshal_asany (MonoObject *o, MonoMarshalNative string_encoding, int param_attrs)
12596 t = &o->vtable->klass->byval_arg;
12600 case MONO_TYPE_PTR:
12603 case MONO_TYPE_BOOLEAN:
12606 case MONO_TYPE_CHAR:
12611 return mono_object_unbox (o);
12613 case MONO_TYPE_STRING:
12614 switch (string_encoding) {
12615 case MONO_NATIVE_LPWSTR:
12616 return mono_marshal_string_to_utf16_copy ((MonoString*)o);
12618 case MONO_NATIVE_LPSTR:
12619 return mono_string_to_lpstr ((MonoString*)o);
12622 g_warning ("marshaling conversion %d not implemented", string_encoding);
12623 g_assert_not_reached ();
12626 case MONO_TYPE_CLASS:
12627 case MONO_TYPE_VALUETYPE: {
12628 MonoMethod *method;
12631 MonoBoolean delete_old = FALSE;
12633 klass = t->data.klass;
12635 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT)
12638 if (klass->valuetype && (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
12639 klass->blittable || klass->enumtype))
12640 return mono_object_unbox (o);
12642 res = mono_marshal_alloc (mono_class_native_size (klass, NULL));
12644 if (!((param_attrs & PARAM_ATTRIBUTE_OUT) && !(param_attrs & PARAM_ATTRIBUTE_IN))) {
12645 method = mono_marshal_get_struct_to_ptr (o->vtable->klass);
12649 pa [2] = &delete_old;
12651 mono_runtime_invoke (method, NULL, pa, NULL);
12658 mono_raise_exception (mono_get_exception_argument ("", "No PInvoke conversion exists for value passed to Object-typed parameter."));
12664 mono_marshal_free_asany (MonoObject *o, gpointer ptr, MonoMarshalNative string_encoding, int param_attrs)
12672 t = &o->vtable->klass->byval_arg;
12674 case MONO_TYPE_STRING:
12675 switch (string_encoding) {
12676 case MONO_NATIVE_LPWSTR:
12677 case MONO_NATIVE_LPSTR:
12678 mono_marshal_free (ptr);
12681 g_warning ("marshaling conversion %d not implemented", string_encoding);
12682 g_assert_not_reached ();
12685 case MONO_TYPE_CLASS:
12686 case MONO_TYPE_VALUETYPE: {
12687 klass = t->data.klass;
12689 if (klass->valuetype && (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
12690 klass->blittable || klass->enumtype))
12693 if (param_attrs & PARAM_ATTRIBUTE_OUT) {
12694 MonoMethod *method = mono_marshal_get_ptr_to_struct (o->vtable->klass);
12700 mono_runtime_invoke (method, NULL, pa, NULL);
12703 if (!((param_attrs & PARAM_ATTRIBUTE_OUT) && !(param_attrs & PARAM_ATTRIBUTE_IN))) {
12704 mono_struct_delete_old (klass, ptr);
12707 mono_marshal_free (ptr);
12716 mono_marshal_get_generic_array_helper (MonoClass *class, MonoClass *iface, gchar *name, MonoMethod *method)
12718 MonoMethodSignature *sig, *csig;
12719 MonoMethodBuilder *mb;
12724 mb = mono_mb_new_no_dup_name (class, name, MONO_WRAPPER_MANAGED_TO_MANAGED);
12725 mb->method->slot = -1;
12727 mb->method->flags = METHOD_ATTRIBUTE_PRIVATE | METHOD_ATTRIBUTE_VIRTUAL |
12728 METHOD_ATTRIBUTE_NEW_SLOT | METHOD_ATTRIBUTE_HIDE_BY_SIG | METHOD_ATTRIBUTE_FINAL;
12730 sig = mono_method_signature (method);
12731 csig = signature_dup (method->klass->image, sig);
12732 csig->generic_param_count = 0;
12734 #ifndef DISABLE_JIT
12735 mono_mb_emit_ldarg (mb, 0);
12736 for (i = 0; i < csig->param_count; i++)
12737 mono_mb_emit_ldarg (mb, i + 1);
12738 mono_mb_emit_managed_call (mb, method, NULL);
12739 mono_mb_emit_byte (mb, CEE_RET);
12741 /* We can corlib internal methods */
12742 mb->skip_visibility = TRUE;
12745 res = mono_mb_create_method (mb, csig, csig->param_count + 16);
12747 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_GENERIC_ARRAY_HELPER);
12748 info->d.generic_array_helper.method = method;
12749 mono_marshal_set_wrapper_info (res, info);
12757 * The mono_win32_compat_* functions are implementations of inline
12758 * Windows kernel32 APIs, which are DllImport-able under MS.NET,
12759 * although not exported by kernel32.
12761 * We map the appropiate kernel32 entries to these functions using
12762 * dllmaps declared in the global etc/mono/config.
12766 mono_win32_compat_CopyMemory (gpointer dest, gconstpointer source, gsize length)
12768 if (!dest || !source)
12771 memcpy (dest, source, length);
12775 mono_win32_compat_FillMemory (gpointer dest, gsize length, guchar fill)
12777 memset (dest, fill, length);
12781 mono_win32_compat_MoveMemory (gpointer dest, gconstpointer source, gsize length)
12783 if (!dest || !source)
12786 memmove (dest, source, length);
12790 mono_win32_compat_ZeroMemory (gpointer dest, gsize length)
12792 memset (dest, 0, length);
12796 mono_marshal_find_nonzero_bit_offset (guint8 *buf, int len, int *byte_offset, guint8 *bitmask)
12801 for (i = 0; i < len; ++i)
12805 g_assert (i < len);
12808 while (byte && !(byte & 1))
12810 g_assert (byte == 1);
12813 *bitmask = buf [i];
12817 mono_marshal_get_thunk_invoke_wrapper (MonoMethod *method)
12819 MonoMethodBuilder *mb;
12820 MonoMethodSignature *sig, *csig;
12821 MonoExceptionClause *clause;
12826 int i, param_count, sig_size, pos_leave;
12830 klass = method->klass;
12831 image = method->klass->image;
12832 cache = get_cache (&image->thunk_invoke_cache, mono_aligned_addr_hash, NULL);
12834 if ((res = mono_marshal_find_in_cache (cache, method)))
12837 sig = mono_method_signature (method);
12838 mb = mono_mb_new (klass, method->name, MONO_WRAPPER_NATIVE_TO_MANAGED);
12840 /* add "this" and exception param */
12841 param_count = sig->param_count + sig->hasthis + 1;
12843 /* dup & extend signature */
12844 csig = mono_metadata_signature_alloc (image, param_count);
12845 sig_size = MONO_SIZEOF_METHOD_SIGNATURE + sig->param_count * sizeof (MonoType *);
12846 memcpy (csig, sig, sig_size);
12847 csig->param_count = param_count;
12850 csig->call_convention = MONO_CALL_DEFAULT;
12852 if (sig->hasthis) {
12854 csig->params [0] = &klass->byval_arg;
12855 /* move params up by one */
12856 for (i = 0; i < sig->param_count; i++)
12857 csig->params [i + 1] = sig->params [i];
12860 /* setup exception param as byref+[out] */
12861 csig->params [param_count - 1] = mono_metadata_type_dup (image,
12862 &mono_defaults.exception_class->byval_arg);
12863 csig->params [param_count - 1]->byref = 1;
12864 csig->params [param_count - 1]->attrs = PARAM_ATTRIBUTE_OUT;
12866 /* convert struct return to object */
12867 if (MONO_TYPE_ISSTRUCT (sig->ret))
12868 csig->ret = &mono_defaults.object_class->byval_arg;
12870 #ifndef DISABLE_JIT
12871 /* local 0 (temp for exception object) */
12872 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
12874 /* local 1 (temp for result) */
12875 if (!MONO_TYPE_IS_VOID (sig->ret))
12876 mono_mb_add_local (mb, sig->ret);
12878 /* clear exception arg */
12879 mono_mb_emit_ldarg (mb, param_count - 1);
12880 mono_mb_emit_byte (mb, CEE_LDNULL);
12881 mono_mb_emit_byte (mb, CEE_STIND_REF);
12884 clause = mono_image_alloc0 (image, sizeof (MonoExceptionClause));
12885 clause->try_offset = mono_mb_get_label (mb);
12887 /* push method's args */
12888 for (i = 0; i < param_count - 1; i++) {
12892 mono_mb_emit_ldarg (mb, i);
12894 /* get the byval type of the param */
12895 klass = mono_class_from_mono_type (csig->params [i]);
12896 type = &klass->byval_arg;
12898 /* unbox struct args */
12899 if (MONO_TYPE_ISSTRUCT (type)) {
12900 mono_mb_emit_op (mb, CEE_UNBOX, klass);
12902 /* byref args & and the "this" arg must remain a ptr.
12903 Otherwise make a copy of the value type */
12904 if (!(csig->params [i]->byref || (i == 0 && sig->hasthis)))
12905 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
12907 csig->params [i] = &mono_defaults.object_class->byval_arg;
12912 if (method->flags & METHOD_ATTRIBUTE_VIRTUAL)
12913 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
12915 mono_mb_emit_op (mb, CEE_CALL, method);
12917 /* save result at local 1 */
12918 if (!MONO_TYPE_IS_VOID (sig->ret))
12919 mono_mb_emit_stloc (mb, 1);
12921 pos_leave = mono_mb_emit_branch (mb, CEE_LEAVE);
12924 clause->flags = MONO_EXCEPTION_CLAUSE_NONE;
12925 clause->try_len = mono_mb_get_pos (mb) - clause->try_offset;
12926 clause->data.catch_class = mono_defaults.object_class;
12928 clause->handler_offset = mono_mb_get_label (mb);
12930 /* store exception at local 0 */
12931 mono_mb_emit_stloc (mb, 0);
12932 mono_mb_emit_ldarg (mb, param_count - 1);
12933 mono_mb_emit_ldloc (mb, 0);
12934 mono_mb_emit_byte (mb, CEE_STIND_REF);
12935 mono_mb_emit_branch (mb, CEE_LEAVE);
12937 clause->handler_len = mono_mb_get_pos (mb) - clause->handler_offset;
12939 mono_mb_set_clauses (mb, 1, clause);
12941 mono_mb_patch_branch (mb, pos_leave);
12944 if (!MONO_TYPE_IS_VOID (sig->ret)) {
12945 mono_mb_emit_ldloc (mb, 1);
12947 /* box the return value */
12948 if (MONO_TYPE_ISSTRUCT (sig->ret))
12949 mono_mb_emit_op (mb, CEE_BOX, mono_class_from_mono_type (sig->ret));
12952 mono_mb_emit_byte (mb, CEE_RET);
12955 res = mono_mb_create_and_cache (cache, method, mb, csig, param_count + 16);
12962 * mono_marshal_free_dynamic_wrappers:
12964 * Free wrappers of the dynamic method METHOD.
12967 mono_marshal_free_dynamic_wrappers (MonoMethod *method)
12969 MonoImage *image = method->klass->image;
12971 g_assert (method->dynamic);
12973 /* This could be called during shutdown */
12974 if (marshal_mutex_initialized)
12975 mono_marshal_lock ();
12977 * FIXME: We currently leak the wrappers. Freeing them would be tricky as
12978 * they could be shared with other methods ?
12980 if (image->runtime_invoke_direct_cache)
12981 g_hash_table_remove (image->runtime_invoke_direct_cache, method);
12982 if (image->delegate_abstract_invoke_cache)
12983 g_hash_table_foreach_remove (image->delegate_abstract_invoke_cache, signature_method_pair_matches_method, method);
12985 if (marshal_mutex_initialized)
12986 mono_marshal_unlock ();
12990 signature_method_pair_matches_signature (gpointer key, gpointer value, gpointer user_data)
12992 SignatureMethodPair *pair = (SignatureMethodPair*)key;
12993 MonoMethodSignature *sig = (MonoMethodSignature*)user_data;
12995 return mono_metadata_signature_equal (pair->sig, sig);
12999 * mono_marshal_free_inflated_wrappers:
13001 * Free wrappers of the inflated method METHOD.
13004 mono_marshal_free_inflated_wrappers (MonoMethod *method)
13006 MonoMethodSignature *sig = method->signature;
13008 g_assert (method->is_inflated);
13010 /* Ignore calls occuring late during cleanup. */
13011 if (!marshal_mutex_initialized)
13014 mono_marshal_lock ();
13016 * FIXME: We currently leak the wrappers. Freeing them would be tricky as
13017 * they could be shared with other methods ?
13021 * indexed by MonoMethodSignature
13023 /* FIXME: This could remove unrelated wrappers as well */
13024 if (sig && method->klass->image->delegate_begin_invoke_cache)
13025 g_hash_table_remove (method->klass->image->delegate_begin_invoke_cache, sig);
13026 if (sig && method->klass->image->delegate_end_invoke_cache)
13027 g_hash_table_remove (method->klass->image->delegate_end_invoke_cache, sig);
13028 if (sig && method->klass->image->delegate_invoke_cache)
13029 g_hash_table_remove (method->klass->image->delegate_invoke_cache, sig);
13030 if (sig && method->klass->image->runtime_invoke_cache)
13031 g_hash_table_remove (method->klass->image->runtime_invoke_cache, sig);
13032 if (sig && method->klass->image->runtime_invoke_vtype_cache)
13033 g_hash_table_remove (method->klass->image->runtime_invoke_vtype_cache, sig);
13036 * indexed by SignatureMethodPair
13038 if (sig && method->klass->image->delegate_abstract_invoke_cache)
13039 g_hash_table_foreach_remove (method->klass->image->delegate_abstract_invoke_cache,
13040 signature_method_pair_matches_signature, (gpointer)sig);
13043 * indexed by MonoMethod pointers
13045 if (method->klass->image->runtime_invoke_direct_cache)
13046 g_hash_table_remove (method->klass->image->runtime_invoke_direct_cache, method);
13047 if (method->klass->image->managed_wrapper_cache)
13048 g_hash_table_remove (method->klass->image->managed_wrapper_cache, method);
13049 if (method->klass->image->native_wrapper_cache)
13050 g_hash_table_remove (method->klass->image->native_wrapper_cache, method);
13051 if (method->klass->image->remoting_invoke_cache)
13052 g_hash_table_remove (method->klass->image->remoting_invoke_cache, method);
13053 if (method->klass->image->synchronized_cache)
13054 g_hash_table_remove (method->klass->image->synchronized_cache, method);
13055 if (method->klass->image->unbox_wrapper_cache)
13056 g_hash_table_remove (method->klass->image->unbox_wrapper_cache, method);
13057 if (method->klass->image->cominterop_invoke_cache)
13058 g_hash_table_remove (method->klass->image->cominterop_invoke_cache, method);
13059 if (method->klass->image->cominterop_wrapper_cache)
13060 g_hash_table_remove (method->klass->image->cominterop_wrapper_cache, method);
13061 if (method->klass->image->thunk_invoke_cache)
13062 g_hash_table_remove (method->klass->image->thunk_invoke_cache, method);
13063 if (method->klass->image->native_func_wrapper_aot_cache)
13064 g_hash_table_remove (method->klass->image->native_func_wrapper_aot_cache, method);
13066 mono_marshal_unlock ();