2 * marshal.c: Routines for marshaling complex types in P/Invoke methods.
5 * Paolo Molaro (lupus@ximian.com)
7 * Copyright 2002-2003 Ximian, Inc (http://www.ximian.com)
8 * Copyright 2004-2009 Novell, Inc (http://www.novell.com)
9 * Copyright 2011 Xamarin, Inc (http://www.xamarin.com)
21 #include "metadata/marshal.h"
22 #include "metadata/method-builder.h"
23 #include "metadata/tabledefs.h"
24 #include "metadata/exception.h"
25 #include "metadata/appdomain.h"
26 #include "mono/metadata/debug-helpers.h"
27 #include "mono/metadata/threadpool.h"
28 #include "mono/metadata/threads.h"
29 #include "mono/metadata/monitor.h"
30 #include "mono/metadata/metadata-internals.h"
31 #include "mono/metadata/domain-internals.h"
32 #include "mono/metadata/gc-internal.h"
33 #include "mono/metadata/threads-types.h"
34 #include "mono/metadata/string-icalls.h"
35 #include "mono/metadata/attrdefs.h"
36 #include "mono/metadata/gc-internal.h"
37 #include "mono/metadata/cominterop.h"
38 #include "mono/utils/mono-counters.h"
39 #include "mono/utils/mono-tls.h"
40 #include "mono/utils/mono-memory-model.h"
41 #include "mono/utils/atomic.h"
45 /* #define DEBUG_RUNTIME_CODE */
47 #define OPDEF(a,b,c,d,e,f,g,h,i,j) \
51 MONO_MARSHAL_NONE, /* No marshalling needed */
52 MONO_MARSHAL_COPY, /* Can be copied by value to the new domain */
53 MONO_MARSHAL_COPY_OUT, /* out parameter that needs to be copied back to the original instance */
54 MONO_MARSHAL_SERIALIZE /* Value needs to be serialized into the new domain */
55 } MonoXDomainMarshalType;
58 #include "mono/cil/opcode.def"
63 struct _MonoRemotingMethods {
65 MonoMethod *invoke_with_check;
66 MonoMethod *xdomain_invoke;
67 MonoMethod *xdomain_dispatch;
70 typedef struct _MonoRemotingMethods MonoRemotingMethods;
73 * This mutex protects the various marshalling related caches in MonoImage
74 * and a few other data structures static to this file.
76 * The marshal lock is a non-recursive complex lock that sits below the domain lock in the
77 * runtime locking latice. Which means it can take simple locks suck as the image lock.
79 #define mono_marshal_lock() mono_locks_acquire (&marshal_mutex, MarshalLock)
80 #define mono_marshal_unlock() mono_locks_release (&marshal_mutex, MarshalLock)
81 static CRITICAL_SECTION marshal_mutex;
82 static gboolean marshal_mutex_initialized;
84 static MonoNativeTlsKey last_error_tls_id;
86 static MonoNativeTlsKey load_type_info_tls_id;
88 static gboolean use_aot_wrappers;
91 delegate_hash_table_add (MonoDelegate *d);
94 emit_struct_conv (MonoMethodBuilder *mb, MonoClass *klass, gboolean to_object);
97 emit_struct_conv_full (MonoMethodBuilder *mb, MonoClass *klass, gboolean to_object, MonoMarshalNative string_encoding);
100 mono_struct_delete_old (MonoClass *klass, char *ptr);
103 mono_marshal_string_to_utf16 (MonoString *s);
106 mono_marshal_string_to_utf16_copy (MonoString *s);
109 mono_string_to_lpstr (MonoString *string_obj);
111 static MonoStringBuilder *
112 mono_string_utf8_to_builder2 (char *text);
114 static MonoStringBuilder *
115 mono_string_utf16_to_builder2 (gunichar2 *text);
118 mono_string_new_len_wrapper (const char *text, guint length);
121 mono_string_from_byvalwstr (gunichar2 *data, int len);
124 mono_byvalarray_to_array (MonoArray *arr, gpointer native_arr, MonoClass *eltype, guint32 elnum);
127 mono_byvalarray_to_byte_array (MonoArray *arr, gpointer native_arr, guint32 elnum);
130 mono_array_to_byvalarray (gpointer native_arr, MonoArray *arr, MonoClass *eltype, guint32 elnum);
133 mono_array_to_byte_byvalarray (gpointer native_arr, MonoArray *arr, guint32 elnum);
135 static MonoAsyncResult *
136 mono_delegate_begin_invoke (MonoDelegate *delegate, gpointer *params);
139 mono_delegate_end_invoke (MonoDelegate *delegate, gpointer *params);
142 mono_marshal_xdomain_copy_out_value (MonoObject *src, MonoObject *dst);
145 mono_marshal_set_domain_by_id (gint32 id, MonoBoolean push);
148 mono_marshal_check_domain_image (gint32 domain_id, MonoImage *image);
150 #ifndef DISABLE_REMOTING
152 mono_remoting_wrapper (MonoMethod *method, gpointer *params);
155 mono_upgrade_remote_class_wrapper (MonoReflectionType *rtype, MonoTransparentProxy *tproxy);
159 static MonoReflectionType *
160 type_from_handle (MonoType *handle);
163 mono_marshal_set_last_error_windows (int error);
165 static void init_safe_handle (void);
167 /* MonoMethod pointers to SafeHandle::DangerousAddRef and ::DangerousRelease */
168 static MonoMethod *sh_dangerous_add_ref;
169 static MonoMethod *sh_dangerous_release;
175 sh_dangerous_add_ref = mono_class_get_method_from_name (
176 mono_defaults.safehandle_class, "DangerousAddRef", 1);
177 sh_dangerous_release = mono_class_get_method_from_name (
178 mono_defaults.safehandle_class, "DangerousRelease", 0);
182 register_icall (gpointer func, const char *name, const char *sigstr, gboolean save)
184 MonoMethodSignature *sig = mono_create_icall_signature (sigstr);
186 mono_register_jit_icall (func, name, sig, save);
189 static MonoMethodSignature*
190 signature_dup (MonoImage *image, MonoMethodSignature *sig)
192 MonoMethodSignature *res;
195 res = mono_metadata_signature_alloc (image, sig->param_count);
196 sigsize = MONO_SIZEOF_METHOD_SIGNATURE + sig->param_count * sizeof (MonoType *);
197 memcpy (res, sig, sigsize);
203 mono_signature_no_pinvoke (MonoMethod *method)
205 MonoMethodSignature *sig = mono_method_signature (method);
207 sig = signature_dup (method->klass->image, sig);
208 sig->pinvoke = FALSE;
215 mono_marshal_init_tls (void)
217 mono_native_tls_alloc (&last_error_tls_id, NULL);
218 mono_native_tls_alloc (&load_type_info_tls_id, NULL);
222 mono_marshal_init (void)
224 static gboolean module_initialized = FALSE;
226 if (!module_initialized) {
227 module_initialized = TRUE;
228 InitializeCriticalSection (&marshal_mutex);
229 marshal_mutex_initialized = TRUE;
231 register_icall (ves_icall_System_Threading_Thread_ResetAbort, "ves_icall_System_Threading_Thread_ResetAbort", "void", TRUE);
232 register_icall (mono_marshal_string_to_utf16, "mono_marshal_string_to_utf16", "ptr obj", FALSE);
233 register_icall (mono_marshal_string_to_utf16_copy, "mono_marshal_string_to_utf16_copy", "ptr obj", FALSE);
234 register_icall (mono_string_to_utf16, "mono_string_to_utf16", "ptr obj", FALSE);
235 register_icall (mono_string_from_utf16, "mono_string_from_utf16", "obj ptr", FALSE);
236 register_icall (mono_string_from_byvalwstr, "mono_string_from_byvalwstr", "obj ptr int", FALSE);
237 register_icall (mono_string_new_wrapper, "mono_string_new_wrapper", "obj ptr", FALSE);
238 register_icall (mono_string_new_len_wrapper, "mono_string_new_len_wrapper", "obj ptr int", FALSE);
239 register_icall (mono_string_to_utf8, "mono_string_to_utf8", "ptr obj", FALSE);
240 register_icall (mono_string_to_lpstr, "mono_string_to_lpstr", "ptr obj", FALSE);
241 register_icall (mono_string_to_ansibstr, "mono_string_to_ansibstr", "ptr object", FALSE);
242 register_icall (mono_string_builder_to_utf8, "mono_string_builder_to_utf8", "ptr object", FALSE);
243 register_icall (mono_string_builder_to_utf16, "mono_string_builder_to_utf16", "ptr object", FALSE);
244 register_icall (mono_array_to_savearray, "mono_array_to_savearray", "ptr object", FALSE);
245 register_icall (mono_array_to_lparray, "mono_array_to_lparray", "ptr object", FALSE);
246 register_icall (mono_free_lparray, "mono_free_lparray", "void object ptr", FALSE);
247 register_icall (mono_byvalarray_to_array, "mono_byvalarray_to_array", "void object ptr ptr int32", FALSE);
248 register_icall (mono_byvalarray_to_byte_array, "mono_byvalarray_to_byte_array", "void object ptr int32", FALSE);
249 register_icall (mono_array_to_byvalarray, "mono_array_to_byvalarray", "void ptr object ptr int32", FALSE);
250 register_icall (mono_array_to_byte_byvalarray, "mono_array_to_byte_byvalarray", "void ptr object int32", FALSE);
251 register_icall (mono_delegate_to_ftnptr, "mono_delegate_to_ftnptr", "ptr object", FALSE);
252 register_icall (mono_ftnptr_to_delegate, "mono_ftnptr_to_delegate", "object ptr ptr", FALSE);
253 register_icall (mono_marshal_asany, "mono_marshal_asany", "ptr object int32 int32", FALSE);
254 register_icall (mono_marshal_free_asany, "mono_marshal_free_asany", "void object ptr int32 int32", FALSE);
255 register_icall (mono_marshal_alloc, "mono_marshal_alloc", "ptr int32", FALSE);
256 register_icall (mono_marshal_free, "mono_marshal_free", "void ptr", FALSE);
257 register_icall (mono_marshal_set_last_error, "mono_marshal_set_last_error", "void", FALSE);
258 register_icall (mono_marshal_set_last_error_windows, "mono_marshal_set_last_error_windows", "void int32", FALSE);
259 register_icall (mono_string_utf8_to_builder, "mono_string_utf8_to_builder", "void ptr ptr", FALSE);
260 register_icall (mono_string_utf8_to_builder2, "mono_string_utf8_to_builder2", "object ptr", FALSE);
261 register_icall (mono_string_utf16_to_builder, "mono_string_utf16_to_builder", "void ptr ptr", FALSE);
262 register_icall (mono_string_utf16_to_builder2, "mono_string_utf16_to_builder2", "object ptr", FALSE);
263 register_icall (mono_marshal_free_array, "mono_marshal_free_array", "void ptr int32", FALSE);
264 register_icall (mono_string_to_byvalstr, "mono_string_to_byvalstr", "void ptr ptr int32", FALSE);
265 register_icall (mono_string_to_byvalwstr, "mono_string_to_byvalwstr", "void ptr ptr int32", FALSE);
266 register_icall (g_free, "g_free", "void ptr", FALSE);
267 register_icall (mono_object_isinst, "mono_object_isinst", "object object ptr", FALSE);
268 register_icall (mono_struct_delete_old, "mono_struct_delete_old", "void ptr ptr", FALSE);
269 register_icall (mono_delegate_begin_invoke, "mono_delegate_begin_invoke", "object object ptr", FALSE);
270 register_icall (mono_delegate_end_invoke, "mono_delegate_end_invoke", "object object ptr", FALSE);
271 register_icall (mono_marshal_xdomain_copy_value, "mono_marshal_xdomain_copy_value", "object object", FALSE);
272 register_icall (mono_marshal_xdomain_copy_out_value, "mono_marshal_xdomain_copy_out_value", "void object object", FALSE);
273 register_icall (mono_marshal_set_domain_by_id, "mono_marshal_set_domain_by_id", "int32 int32 int32", FALSE);
274 register_icall (mono_marshal_check_domain_image, "mono_marshal_check_domain_image", "int32 int32 ptr", FALSE);
275 register_icall (mono_compile_method, "mono_compile_method", "ptr ptr", FALSE);
276 register_icall (mono_context_get, "mono_context_get", "object", FALSE);
277 register_icall (mono_context_set, "mono_context_set", "void object", FALSE);
278 register_icall (type_from_handle, "type_from_handle", "object ptr", FALSE);
279 register_icall (mono_gc_wbarrier_generic_nostore, "wb_generic", "void ptr", FALSE);
280 register_icall (mono_gchandle_get_target, "mono_gchandle_get_target", "object int32", TRUE);
282 #ifndef DISABLE_REMOTING
283 register_icall (mono_remoting_wrapper, "mono_remoting_wrapper", "object ptr ptr", FALSE);
284 register_icall (mono_upgrade_remote_class_wrapper, "mono_upgrade_remote_class_wrapper", "void object object", FALSE);
286 mono_cominterop_init ();
291 mono_marshal_cleanup (void)
293 mono_cominterop_cleanup ();
295 mono_native_tls_free (load_type_info_tls_id);
296 mono_native_tls_free (last_error_tls_id);
297 DeleteCriticalSection (&marshal_mutex);
298 marshal_mutex_initialized = FALSE;
301 #ifndef DISABLE_REMOTING
302 static MonoClass *byte_array_class;
303 static MonoMethod *method_rs_serialize, *method_rs_deserialize, *method_exc_fixexc, *method_rs_appdomain_target;
304 static MonoMethod *method_set_call_context, *method_needs_context_sink, *method_rs_serialize_exc;
307 mono_remoting_marshal_init (void)
311 static gboolean module_initialized = FALSE;
313 if (!module_initialized) {
314 klass = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting", "RemotingServices");
315 method_rs_serialize = mono_class_get_method_from_name (klass, "SerializeCallData", -1);
316 method_rs_deserialize = mono_class_get_method_from_name (klass, "DeserializeCallData", -1);
317 method_rs_serialize_exc = mono_class_get_method_from_name (klass, "SerializeExceptionData", -1);
319 klass = mono_defaults.real_proxy_class;
320 method_rs_appdomain_target = mono_class_get_method_from_name (klass, "GetAppDomainTarget", -1);
322 klass = mono_defaults.exception_class;
323 method_exc_fixexc = mono_class_get_method_from_name (klass, "FixRemotingException", -1);
325 byte_array_class = mono_array_class_get (mono_defaults.byte_class, 1);
327 klass = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting.Messaging", "CallContext");
328 method_set_call_context = mono_class_get_method_from_name (klass, "SetCurrentCallContext", -1);
330 klass = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting.Contexts", "Context");
331 method_needs_context_sink = mono_class_get_method_from_name (klass, "get_NeedsContextSink", -1);
333 module_initialized = TRUE;
339 mono_delegate_to_ftnptr (MonoDelegate *delegate)
341 MonoMethod *method, *wrapper;
343 uint32_t target_handle = 0;
348 if (delegate->delegate_trampoline)
349 return delegate->delegate_trampoline;
351 klass = ((MonoObject *)delegate)->vtable->klass;
352 g_assert (klass->delegate);
354 method = delegate->method;
356 if (mono_method_signature (method)->pinvoke) {
357 const char *exc_class, *exc_arg;
360 ftnptr = mono_lookup_pinvoke_call (method, &exc_class, &exc_arg);
362 g_assert (exc_class);
363 mono_raise_exception (mono_exception_from_name_msg (mono_defaults.corlib, "System", exc_class, exc_arg));
368 if (delegate->target) {
369 /* Produce a location which can be embedded in JITted code */
370 target_handle = mono_gchandle_new_weakref (delegate->target, FALSE);
373 wrapper = mono_marshal_get_managed_wrapper (method, klass, target_handle);
375 delegate->delegate_trampoline = mono_compile_method (wrapper);
377 // Add the delegate to the delegate hash table
378 delegate_hash_table_add (delegate);
380 /* when the object is collected, collect the dynamic method, too */
381 mono_object_register_finalizer ((MonoObject*)delegate);
383 return delegate->delegate_trampoline;
387 * this hash table maps from a delegate trampoline object to a weak reference
388 * of the delegate. As an optimizations with a non-moving GC we store the
389 * object pointer itself, otherwise we use a GC handle.
391 static GHashTable *delegate_hash_table;
394 delegate_hash_table_new (void) {
395 return g_hash_table_new (NULL, NULL);
399 delegate_hash_table_remove (MonoDelegate *d)
401 guint32 gchandle = 0;
403 mono_marshal_lock ();
404 if (delegate_hash_table == NULL)
405 delegate_hash_table = delegate_hash_table_new ();
406 if (mono_gc_is_moving ())
407 gchandle = GPOINTER_TO_UINT (g_hash_table_lookup (delegate_hash_table, d->delegate_trampoline));
408 g_hash_table_remove (delegate_hash_table, d->delegate_trampoline);
409 mono_marshal_unlock ();
410 if (mono_gc_is_moving ())
411 mono_gchandle_free (gchandle);
415 delegate_hash_table_add (MonoDelegate *d)
418 guint32 old_gchandle;
420 mono_marshal_lock ();
421 if (delegate_hash_table == NULL)
422 delegate_hash_table = delegate_hash_table_new ();
423 if (mono_gc_is_moving ()) {
424 gchandle = mono_gchandle_new_weakref ((MonoObject*)d, FALSE);
425 old_gchandle = GPOINTER_TO_UINT (g_hash_table_lookup (delegate_hash_table, d->delegate_trampoline));
426 g_hash_table_insert (delegate_hash_table, d->delegate_trampoline, GUINT_TO_POINTER (gchandle));
428 mono_gchandle_free (old_gchandle);
430 g_hash_table_insert (delegate_hash_table, d->delegate_trampoline, d);
432 mono_marshal_unlock ();
436 * mono_marshal_use_aot_wrappers:
438 * Instructs this module to use AOT compatible wrappers.
441 mono_marshal_use_aot_wrappers (gboolean use)
443 use_aot_wrappers = use;
447 parse_unmanaged_function_pointer_attr (MonoClass *klass, MonoMethodPInvoke *piinfo)
449 static MonoClass *UnmanagedFunctionPointerAttribute;
450 MonoCustomAttrInfo *cinfo;
451 MonoReflectionUnmanagedFunctionPointerAttribute *attr;
453 if (!UnmanagedFunctionPointerAttribute)
454 UnmanagedFunctionPointerAttribute = mono_class_from_name (mono_defaults.corlib, "System.Runtime.InteropServices", "UnmanagedFunctionPointerAttribute");
456 /* The attribute is only available in Net 2.0 */
457 if (UnmanagedFunctionPointerAttribute) {
459 * The pinvoke attributes are stored in a real custom attribute so we have to
462 cinfo = mono_custom_attrs_from_class (klass);
463 if (cinfo && !mono_runtime_get_no_exec ()) {
464 attr = (MonoReflectionUnmanagedFunctionPointerAttribute*)mono_custom_attrs_get_attr (cinfo, UnmanagedFunctionPointerAttribute);
466 piinfo->piflags = (attr->call_conv << 8) | (attr->charset ? (attr->charset - 1) * 2 : 1) | attr->set_last_error;
469 mono_custom_attrs_free (cinfo);
475 mono_ftnptr_to_delegate (MonoClass *klass, gpointer ftn)
483 mono_marshal_lock ();
484 if (delegate_hash_table == NULL)
485 delegate_hash_table = delegate_hash_table_new ();
487 if (mono_gc_is_moving ()) {
488 gchandle = GPOINTER_TO_UINT (g_hash_table_lookup (delegate_hash_table, ftn));
489 mono_marshal_unlock ();
491 d = (MonoDelegate*)mono_gchandle_get_target (gchandle);
495 d = g_hash_table_lookup (delegate_hash_table, ftn);
496 mono_marshal_unlock ();
499 /* This is a native function, so construct a delegate for it */
500 MonoMethodSignature *sig;
502 MonoMarshalSpec **mspecs;
503 MonoMethod *invoke = mono_get_delegate_invoke (klass);
504 MonoMethodPInvoke piinfo;
508 if (use_aot_wrappers) {
509 wrapper = mono_marshal_get_native_func_wrapper_aot (klass);
510 this = mono_value_box (mono_domain_get (), mono_defaults.int_class, &ftn);
512 memset (&piinfo, 0, sizeof (piinfo));
513 parse_unmanaged_function_pointer_attr (klass, &piinfo);
515 mspecs = g_new0 (MonoMarshalSpec*, mono_method_signature (invoke)->param_count + 1);
516 mono_method_get_marshal_info (invoke, mspecs);
517 /* Freed below so don't alloc from mempool */
518 sig = mono_metadata_signature_dup (mono_method_signature (invoke));
521 wrapper = mono_marshal_get_native_func_wrapper (klass->image, sig, &piinfo, mspecs, ftn);
524 for (i = mono_method_signature (invoke)->param_count; i >= 0; i--)
526 mono_metadata_free_marshal_spec (mspecs [i]);
531 d = (MonoDelegate*)mono_object_new (mono_domain_get (), klass);
532 mono_delegate_ctor_with_method ((MonoObject*)d, this, mono_compile_method (wrapper), wrapper);
535 if (d->object.vtable->domain != mono_domain_get ())
536 mono_raise_exception (mono_get_exception_not_supported ("Delegates cannot be marshalled from native code into a domain other than their home domain"));
542 mono_delegate_free_ftnptr (MonoDelegate *delegate)
547 delegate_hash_table_remove (delegate);
549 ptr = (gpointer)InterlockedExchangePointer (&delegate->delegate_trampoline, NULL);
551 if (!delegate->target) {
552 /* The wrapper method is shared between delegates -> no need to free it */
561 ji = mono_jit_info_table_find (mono_domain_get (), mono_get_addr_from_ftnptr (ptr));
564 method = mono_jit_info_get_method (ji);
565 method_data = ((MonoMethodWrapper*)method)->method_data;
567 /*the target gchandle is the first entry after size and the wrapper itself.*/
568 gchandle = GPOINTER_TO_UINT (method_data [2]);
571 mono_gchandle_free (gchandle);
573 mono_runtime_free_method (mono_object_domain (delegate), method);
578 mono_string_from_byvalwstr (gunichar2 *data, int max_len)
580 MonoDomain *domain = mono_domain_get ();
586 while (data [len]) len++;
588 return mono_string_new_utf16 (domain, data, MIN (len, max_len));
592 mono_array_to_savearray (MonoArray *array)
597 g_assert_not_reached ();
602 mono_array_to_lparray (MonoArray *array)
605 gpointer *nativeArray = NULL;
606 int nativeArraySize = 0;
616 klass = array->obj.vtable->klass;
618 switch (klass->element_class->byval_arg.type) {
620 g_assert_not_reached ();
622 case MONO_TYPE_CLASS:
623 nativeArraySize = array->max_length;
624 nativeArray = malloc(sizeof(gpointer) * nativeArraySize);
625 for(i = 0; i < nativeArraySize; ++i)
626 nativeArray[i] = ves_icall_System_Runtime_InteropServices_Marshal_GetIUnknownForObjectInternal(((gpointer*)array->vector)[i]);
629 case MONO_TYPE_BOOLEAN:
642 case MONO_TYPE_VALUETYPE:
646 case MONO_TYPE_GENERICINST:
647 case MONO_TYPE_OBJECT:
648 case MONO_TYPE_ARRAY:
649 case MONO_TYPE_SZARRAY:
650 case MONO_TYPE_STRING:
652 g_warning ("type 0x%x not handled", klass->element_class->byval_arg.type);
653 g_assert_not_reached ();
656 return array->vector;
660 mono_free_lparray (MonoArray *array, gpointer* nativeArray)
671 klass = array->obj.vtable->klass;
673 switch (klass->element_class->byval_arg.type) {
674 case MONO_TYPE_CLASS:
675 for(i = 0; i < array->max_length; ++i)
676 mono_marshal_free_ccw(nativeArray[i]);
684 mono_byvalarray_to_array (MonoArray *arr, gpointer native_arr, MonoClass *elclass, guint32 elnum)
686 g_assert (arr->obj.vtable->klass->element_class == mono_defaults.char_class);
688 if (elclass == mono_defaults.byte_class) {
689 GError *error = NULL;
693 ut = g_utf8_to_utf16 (native_arr, elnum, NULL, &items_written, &error);
696 memcpy (mono_array_addr (arr, guint16, 0), ut, items_written * sizeof (guint16));
700 g_error_free (error);
703 g_assert_not_reached ();
707 mono_byvalarray_to_byte_array (MonoArray *arr, gpointer native_arr, guint32 elnum)
709 mono_byvalarray_to_array (arr, native_arr, mono_defaults.byte_class, elnum);
713 mono_array_to_byvalarray (gpointer native_arr, MonoArray *arr, MonoClass *elclass, guint32 elnum)
715 g_assert (arr->obj.vtable->klass->element_class == mono_defaults.char_class);
717 if (elclass == mono_defaults.byte_class) {
719 GError *error = NULL;
721 as = g_utf16_to_utf8 (mono_array_addr (arr, gunichar2, 0), mono_array_length (arr), NULL, NULL, &error);
723 MonoException *exc = mono_get_exception_argument ("string", error->message);
724 g_error_free (error);
725 mono_raise_exception (exc);
728 memcpy (native_arr, as, MIN (strlen (as), elnum));
731 g_assert_not_reached ();
736 mono_array_to_byte_byvalarray (gpointer native_arr, MonoArray *arr, guint32 elnum)
738 mono_array_to_byvalarray (native_arr, arr, mono_defaults.byte_class, elnum);
742 mono_string_utf8_to_builder (MonoStringBuilder *sb, char *text)
744 GError *error = NULL;
754 ut = g_utf8_to_utf16 (text, l, NULL, &items_written, &error);
756 if (items_written > mono_stringbuilder_capacity (sb))
757 items_written = mono_stringbuilder_capacity (sb);
760 if (! sb->str || sb->str == sb->cached_str)
761 MONO_OBJECT_SETREF (sb, str, mono_string_new_size (mono_domain_get (), items_written));
763 memcpy (mono_string_chars (sb->str), ut, items_written * 2);
764 sb->length = items_written;
765 sb->cached_str = NULL;
767 g_error_free (error);
773 mono_string_utf8_to_builder2 (char *text)
776 MonoStringBuilder *sb;
777 static MonoClass *string_builder_class;
778 static MonoMethod *sb_ctor;
785 if (!string_builder_class) {
786 MonoMethodDesc *desc;
788 string_builder_class = mono_class_from_name (mono_defaults.corlib, "System.Text", "StringBuilder");
789 g_assert (string_builder_class);
790 desc = mono_method_desc_new (":.ctor(int)", FALSE);
791 sb_ctor = mono_method_desc_search_in_class (desc, string_builder_class);
793 mono_method_desc_free (desc);
798 sb = (MonoStringBuilder*)mono_object_new (mono_domain_get (), string_builder_class);
801 mono_runtime_invoke (sb_ctor, sb, args, &exc);
804 mono_string_utf8_to_builder (sb, text);
810 * FIXME: This routine does not seem to do what it seems to do
811 * the @text is never copied into the string builder
814 mono_string_utf16_to_builder (MonoStringBuilder *sb, gunichar2 *text)
821 g_assert (mono_string_chars (sb->str) == text);
823 for (len = 0; text [len] != 0; ++len)
830 mono_string_utf16_to_builder2 (gunichar2 *text)
833 MonoStringBuilder *sb;
834 static MonoClass *string_builder_class;
835 static MonoMethod *sb_ctor;
842 if (!string_builder_class) {
843 MonoMethodDesc *desc;
845 string_builder_class = mono_class_from_name (mono_defaults.corlib, "System.Text", "StringBuilder");
846 g_assert (string_builder_class);
847 desc = mono_method_desc_new (":.ctor(int)", FALSE);
848 sb_ctor = mono_method_desc_search_in_class (desc, string_builder_class);
850 mono_method_desc_free (desc);
853 for (len = 0; text [len] != 0; ++len)
856 sb = (MonoStringBuilder*)mono_object_new (mono_domain_get (), string_builder_class);
859 mono_runtime_invoke (sb_ctor, sb, args, &exc);
863 memcpy (mono_string_chars (sb->str), text, len * 2);
869 * mono_string_builder_to_utf8:
870 * @sb: the string builder
872 * Converts to utf8 the contents of the MonoStringBuilder.
874 * Returns: a utf8 string with the contents of the StringBuilder.
876 * The return value must be released with g_free.
879 mono_string_builder_to_utf8 (MonoStringBuilder *sb)
881 GError *error = NULL;
882 gchar *tmp, *res = NULL;
887 if ((sb->str == sb->cached_str) && (sb->str->length == 0)) {
889 * The sb could have been allocated with the default capacity and be empty.
890 * we need to alloc a buffer of the default capacity in this case.
892 MONO_OBJECT_SETREF (sb, str, mono_string_new_size (mono_domain_get (), 16));
893 sb->cached_str = NULL;
896 tmp = g_utf16_to_utf8 (mono_string_chars (sb->str), sb->length, NULL, NULL, &error);
898 g_error_free (error);
899 mono_raise_exception (mono_get_exception_execution_engine ("Failed to convert StringBuilder from utf16 to utf8"));
901 res = mono_marshal_alloc (mono_stringbuilder_capacity (sb) + 1);
902 memcpy (res, tmp, sb->length + 1);
910 * mono_string_builder_to_utf16:
911 * @sb: the string builder
913 * Converts to utf16 the contents of the MonoStringBuilder.
915 * Returns: a utf16 string with the contents of the StringBuilder.
917 * The return value must not be freed.
920 mono_string_builder_to_utf16 (MonoStringBuilder *sb)
928 * The stringbuilder might not have ownership of this string. If this is
929 * the case, we must duplicate the string, so that we don't munge immutable
932 if (sb->str == sb->cached_str) {
934 * The sb could have been allocated with the default capacity and be empty.
935 * we need to alloc a buffer of the default capacity in this case.
937 if (sb->str->length == 0)
938 MONO_OBJECT_SETREF (sb, str, mono_string_new_size (mono_domain_get (), 16));
940 MONO_OBJECT_SETREF (sb, str, mono_string_new_utf16 (mono_domain_get (), mono_string_chars (sb->str), mono_stringbuilder_capacity (sb)));
941 sb->cached_str = NULL;
945 *(mono_string_chars (sb->str)) = '\0';
947 return mono_string_chars (sb->str);
951 mono_string_to_lpstr (MonoString *s)
956 GError *error = NULL;
962 as = CoTaskMemAlloc (1);
967 tmp = g_utf16_to_utf8 (mono_string_chars (s), s->length, NULL, &len, &error);
969 MonoException *exc = mono_get_exception_argument ("string", error->message);
970 g_error_free (error);
971 mono_raise_exception(exc);
974 as = CoTaskMemAlloc (len + 1);
975 memcpy (as, tmp, len + 1);
980 return mono_string_to_utf8 (s);
985 mono_string_to_ansibstr (MonoString *string_obj)
987 g_error ("UnmanagedMarshal.BStr is not implemented.");
992 * mono_string_to_byvalstr:
993 * @dst: Where to store the null-terminated utf8 decoded string.
994 * @src: the MonoString to copy.
995 * @size: the maximum number of bytes to copy.
997 * Copies the MonoString pointed to by @src as a utf8 string
998 * into @dst, it copies at most @size bytes into the destination.
1001 mono_string_to_byvalstr (gpointer dst, MonoString *src, int size)
1006 g_assert (dst != NULL);
1007 g_assert (size > 0);
1009 memset (dst, 0, size);
1013 s = mono_string_to_utf8 (src);
1014 len = MIN (size, strlen (s));
1017 memcpy (dst, s, len);
1022 * mono_string_to_byvalwstr:
1023 * @dst: Where to store the null-terminated utf16 decoded string.
1024 * @src: the MonoString to copy.
1025 * @size: the maximum number of bytes to copy.
1027 * Copies the MonoString pointed to by @src as a utf16 string into
1028 * @dst, it copies at most @size bytes into the destination (including
1029 * a terminating 16-bit zero terminator).
1032 mono_string_to_byvalwstr (gpointer dst, MonoString *src, int size)
1036 g_assert (dst != NULL);
1037 g_assert (size > 1);
1040 memset (dst, 0, size * 2);
1044 len = MIN (size, (mono_string_length (src)));
1045 memcpy (dst, mono_string_chars (src), size * 2);
1046 if (size <= mono_string_length (src))
1048 *((gunichar2 *) dst + len) = 0;
1052 mono_string_new_len_wrapper (const char *text, guint length)
1054 return mono_string_new_len (mono_domain_get (), text, length);
1058 #ifndef DISABLE_REMOTING
1060 mono_mb_emit_proxy_check (MonoMethodBuilder *mb, int branch_code)
1063 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
1064 mono_mb_emit_byte (mb, CEE_LDIND_I);
1065 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoVTable, klass));
1066 mono_mb_emit_byte (mb, CEE_ADD);
1067 mono_mb_emit_byte (mb, CEE_LDIND_I);
1068 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1069 mono_mb_emit_byte (mb, CEE_MONO_CLASSCONST);
1070 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_defaults.transparent_proxy_class));
1071 pos = mono_mb_emit_branch (mb, branch_code);
1076 mono_mb_emit_xdomain_check (MonoMethodBuilder *mb, int branch_code)
1079 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
1080 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1081 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoRealProxy, target_domain_id));
1082 mono_mb_emit_byte (mb, CEE_LDIND_I4);
1083 mono_mb_emit_icon (mb, -1);
1084 pos = mono_mb_emit_branch (mb, branch_code);
1089 mono_mb_emit_contextbound_check (MonoMethodBuilder *mb, int branch_code)
1091 static int offset = -1;
1095 mono_marshal_find_bitfield_offset (MonoClass, contextbound, &offset, &mask);
1097 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, remote_class));
1098 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1099 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoRemoteClass, proxy_class));
1100 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1101 mono_mb_emit_ldflda (mb, offset);
1102 mono_mb_emit_byte (mb, CEE_LDIND_U1);
1103 mono_mb_emit_icon (mb, mask);
1104 mono_mb_emit_byte (mb, CEE_AND);
1105 mono_mb_emit_icon (mb, 0);
1106 return mono_mb_emit_branch (mb, branch_code);
1108 #endif /* DISABLE_REMOTING */
1111 * mono_mb_emit_exception_marshal_directive:
1113 * This function assumes ownership of MSG, which should be malloc-ed.
1116 mono_mb_emit_exception_marshal_directive (MonoMethodBuilder *mb, char *msg)
1121 s = mono_image_strdup (mb->method->klass->image, msg);
1126 mono_mb_emit_exception_full (mb, "System.Runtime.InteropServices", "MarshalDirectiveException", s);
1129 #endif /* !DISABLE_JIT */
1132 mono_type_to_ldind (MonoType *type)
1138 switch (type->type) {
1140 return CEE_LDIND_I1;
1142 case MONO_TYPE_BOOLEAN:
1143 return CEE_LDIND_U1;
1145 return CEE_LDIND_I2;
1147 case MONO_TYPE_CHAR:
1148 return CEE_LDIND_U2;
1150 return CEE_LDIND_I4;
1152 return CEE_LDIND_U4;
1156 case MONO_TYPE_FNPTR:
1158 case MONO_TYPE_CLASS:
1159 case MONO_TYPE_STRING:
1160 case MONO_TYPE_OBJECT:
1161 case MONO_TYPE_SZARRAY:
1162 case MONO_TYPE_ARRAY:
1163 return CEE_LDIND_REF;
1166 return CEE_LDIND_I8;
1168 return CEE_LDIND_R4;
1170 return CEE_LDIND_R8;
1171 case MONO_TYPE_VALUETYPE:
1172 if (type->data.klass->enumtype) {
1173 type = mono_class_enum_basetype (type->data.klass);
1177 case MONO_TYPE_TYPEDBYREF:
1179 case MONO_TYPE_GENERICINST:
1180 type = &type->data.generic_class->container_class->byval_arg;
1183 g_error ("unknown type 0x%02x in type_to_ldind", type->type);
1189 mono_type_to_stind (MonoType *type)
1195 switch (type->type) {
1198 case MONO_TYPE_BOOLEAN:
1199 return CEE_STIND_I1;
1202 case MONO_TYPE_CHAR:
1203 return CEE_STIND_I2;
1206 return CEE_STIND_I4;
1210 case MONO_TYPE_FNPTR:
1212 case MONO_TYPE_CLASS:
1213 case MONO_TYPE_STRING:
1214 case MONO_TYPE_OBJECT:
1215 case MONO_TYPE_SZARRAY:
1216 case MONO_TYPE_ARRAY:
1217 return CEE_STIND_REF;
1220 return CEE_STIND_I8;
1222 return CEE_STIND_R4;
1224 return CEE_STIND_R8;
1225 case MONO_TYPE_VALUETYPE:
1226 if (type->data.klass->enumtype) {
1227 type = mono_class_enum_basetype (type->data.klass);
1231 case MONO_TYPE_TYPEDBYREF:
1233 case MONO_TYPE_GENERICINST:
1234 type = &type->data.generic_class->container_class->byval_arg;
1237 g_error ("unknown type 0x%02x in type_to_stind", type->type);
1245 emit_ptr_to_object_conv (MonoMethodBuilder *mb, MonoType *type, MonoMarshalConv conv, MonoMarshalSpec *mspec)
1248 case MONO_MARSHAL_CONV_BOOL_I4:
1249 mono_mb_emit_ldloc (mb, 1);
1250 mono_mb_emit_ldloc (mb, 0);
1251 mono_mb_emit_byte (mb, CEE_LDIND_I4);
1252 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
1253 mono_mb_emit_byte (mb, 3);
1254 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
1255 mono_mb_emit_byte (mb, CEE_BR_S);
1256 mono_mb_emit_byte (mb, 1);
1257 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
1258 mono_mb_emit_byte (mb, CEE_STIND_I1);
1260 case MONO_MARSHAL_CONV_BOOL_VARIANTBOOL:
1261 mono_mb_emit_ldloc (mb, 1);
1262 mono_mb_emit_ldloc (mb, 0);
1263 mono_mb_emit_byte (mb, CEE_LDIND_I2);
1264 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
1265 mono_mb_emit_byte (mb, 3);
1266 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
1267 mono_mb_emit_byte (mb, CEE_BR_S);
1268 mono_mb_emit_byte (mb, 1);
1269 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
1270 mono_mb_emit_byte (mb, CEE_STIND_I1);
1272 case MONO_MARSHAL_CONV_ARRAY_BYVALARRAY: {
1273 MonoClass *eklass = NULL;
1276 if (type->type == MONO_TYPE_SZARRAY) {
1277 eklass = type->data.klass;
1279 g_assert_not_reached ();
1282 esize = mono_class_native_size (eklass, NULL);
1284 /* create a new array */
1285 mono_mb_emit_ldloc (mb, 1);
1286 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1287 mono_mb_emit_op (mb, CEE_NEWARR, eklass);
1288 mono_mb_emit_byte (mb, CEE_STIND_I);
1290 if (eklass->blittable) {
1291 /* copy the elements */
1292 mono_mb_emit_ldloc (mb, 1);
1293 mono_mb_emit_byte (mb, CEE_LDIND_I);
1294 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArray, vector));
1295 mono_mb_emit_byte (mb, CEE_ADD);
1296 mono_mb_emit_ldloc (mb, 0);
1297 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem * esize);
1298 mono_mb_emit_byte (mb, CEE_PREFIX1);
1299 mono_mb_emit_byte (mb, CEE_CPBLK);
1302 int array_var, src_var, dst_var, index_var;
1303 guint32 label2, label3;
1305 array_var = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
1306 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1307 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1310 mono_mb_emit_ldloc (mb, 1);
1311 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1312 mono_mb_emit_stloc (mb, array_var);
1314 /* save the old src pointer */
1315 mono_mb_emit_ldloc (mb, 0);
1316 mono_mb_emit_stloc (mb, src_var);
1317 /* save the old dst pointer */
1318 mono_mb_emit_ldloc (mb, 1);
1319 mono_mb_emit_stloc (mb, dst_var);
1321 /* Emit marshalling loop */
1322 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1323 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
1324 mono_mb_emit_stloc (mb, index_var);
1327 label2 = mono_mb_get_label (mb);
1328 mono_mb_emit_ldloc (mb, index_var);
1329 mono_mb_emit_ldloc (mb, array_var);
1330 mono_mb_emit_byte (mb, CEE_LDLEN);
1331 label3 = mono_mb_emit_branch (mb, CEE_BGE);
1333 /* src is already set */
1336 mono_mb_emit_ldloc (mb, array_var);
1337 mono_mb_emit_ldloc (mb, index_var);
1338 mono_mb_emit_op (mb, CEE_LDELEMA, eklass);
1339 mono_mb_emit_stloc (mb, 1);
1341 /* Do the conversion */
1342 emit_struct_conv (mb, eklass, TRUE);
1345 mono_mb_emit_add_to_local (mb, index_var, 1);
1347 mono_mb_emit_branch_label (mb, CEE_BR, label2);
1349 mono_mb_patch_branch (mb, label3);
1351 /* restore the old src pointer */
1352 mono_mb_emit_ldloc (mb, src_var);
1353 mono_mb_emit_stloc (mb, 0);
1354 /* restore the old dst pointer */
1355 mono_mb_emit_ldloc (mb, dst_var);
1356 mono_mb_emit_stloc (mb, 1);
1360 case MONO_MARSHAL_CONV_ARRAY_BYVALCHARARRAY: {
1361 MonoClass *eclass = mono_defaults.char_class;
1363 /* create a new array */
1364 mono_mb_emit_ldloc (mb, 1);
1365 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1366 mono_mb_emit_op (mb, CEE_NEWARR, eclass);
1367 mono_mb_emit_byte (mb, CEE_STIND_REF);
1369 mono_mb_emit_ldloc (mb, 1);
1370 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1371 mono_mb_emit_ldloc (mb, 0);
1372 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1373 mono_mb_emit_icall (mb, mono_byvalarray_to_byte_array);
1376 case MONO_MARSHAL_CONV_STR_BYVALSTR:
1377 mono_mb_emit_ldloc (mb, 1);
1378 mono_mb_emit_ldloc (mb, 0);
1379 mono_mb_emit_icall (mb, mono_string_new_wrapper);
1380 mono_mb_emit_byte (mb, CEE_STIND_REF);
1382 case MONO_MARSHAL_CONV_STR_BYVALWSTR:
1383 if (mspec && mspec->native == MONO_NATIVE_BYVALTSTR && mspec->data.array_data.num_elem) {
1384 mono_mb_emit_ldloc (mb, 1);
1385 mono_mb_emit_ldloc (mb, 0);
1386 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1387 mono_mb_emit_icall (mb, mono_string_from_byvalwstr);
1389 mono_mb_emit_ldloc (mb, 1);
1390 mono_mb_emit_ldloc (mb, 0);
1391 mono_mb_emit_icall (mb, mono_string_from_utf16);
1393 mono_mb_emit_byte (mb, CEE_STIND_REF);
1395 case MONO_MARSHAL_CONV_STR_LPTSTR:
1396 mono_mb_emit_ldloc (mb, 1);
1397 mono_mb_emit_ldloc (mb, 0);
1398 mono_mb_emit_byte (mb, CEE_LDIND_I);
1400 mono_mb_emit_icall (mb, mono_string_from_utf16);
1402 mono_mb_emit_icall (mb, mono_string_new_wrapper);
1404 mono_mb_emit_byte (mb, CEE_STIND_REF);
1406 case MONO_MARSHAL_CONV_STR_LPSTR:
1407 mono_mb_emit_ldloc (mb, 1);
1408 mono_mb_emit_ldloc (mb, 0);
1409 mono_mb_emit_byte (mb, CEE_LDIND_I);
1410 mono_mb_emit_icall (mb, mono_string_new_wrapper);
1411 mono_mb_emit_byte (mb, CEE_STIND_REF);
1413 case MONO_MARSHAL_CONV_STR_LPWSTR:
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_from_utf16);
1418 mono_mb_emit_byte (mb, CEE_STIND_REF);
1420 case MONO_MARSHAL_CONV_OBJECT_STRUCT: {
1421 MonoClass *klass = mono_class_from_mono_type (type);
1422 int src_var, dst_var;
1424 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1425 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1427 /* *dst = new object */
1428 mono_mb_emit_ldloc (mb, 1);
1429 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1430 mono_mb_emit_op (mb, CEE_MONO_NEWOBJ, klass);
1431 mono_mb_emit_byte (mb, CEE_STIND_REF);
1433 /* save the old src pointer */
1434 mono_mb_emit_ldloc (mb, 0);
1435 mono_mb_emit_stloc (mb, src_var);
1436 /* save the old dst pointer */
1437 mono_mb_emit_ldloc (mb, 1);
1438 mono_mb_emit_stloc (mb, dst_var);
1440 /* dst = pointer to newly created object data */
1441 mono_mb_emit_ldloc (mb, 1);
1442 mono_mb_emit_byte (mb, CEE_LDIND_I);
1443 mono_mb_emit_icon (mb, sizeof (MonoObject));
1444 mono_mb_emit_byte (mb, CEE_ADD);
1445 mono_mb_emit_stloc (mb, 1);
1447 emit_struct_conv (mb, klass, TRUE);
1449 /* restore the old src pointer */
1450 mono_mb_emit_ldloc (mb, src_var);
1451 mono_mb_emit_stloc (mb, 0);
1452 /* restore the old dst pointer */
1453 mono_mb_emit_ldloc (mb, dst_var);
1454 mono_mb_emit_stloc (mb, 1);
1457 case MONO_MARSHAL_CONV_DEL_FTN: {
1458 MonoClass *klass = mono_class_from_mono_type (type);
1460 mono_mb_emit_ldloc (mb, 1);
1461 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1462 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
1463 mono_mb_emit_ldloc (mb, 0);
1464 mono_mb_emit_byte (mb, CEE_LDIND_I);
1465 mono_mb_emit_icall (mb, mono_ftnptr_to_delegate);
1466 mono_mb_emit_byte (mb, CEE_STIND_REF);
1469 case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
1470 g_error ("Structure field of type %s can't be marshalled as LPArray", mono_class_from_mono_type (type)->name);
1474 case MONO_MARSHAL_CONV_OBJECT_INTERFACE:
1475 case MONO_MARSHAL_CONV_OBJECT_IUNKNOWN:
1476 case MONO_MARSHAL_CONV_OBJECT_IDISPATCH:
1477 mono_cominterop_emit_ptr_to_object_conv (mb, type, conv, mspec);
1479 #endif /* DISABLE_COM */
1481 case MONO_MARSHAL_CONV_SAFEHANDLE: {
1483 * Passing SafeHandles as ref does not allow the unmanaged code
1484 * to change the SafeHandle value. If the value is changed,
1485 * we should issue a diagnostic exception (NotSupportedException)
1486 * that informs the user that changes to handles in unmanaged code
1489 * Since we currently have no access to the original
1490 * SafeHandle that was used during the marshalling,
1491 * for now we just ignore this, and ignore/discard any
1492 * changes that might have happened to the handle.
1497 case MONO_MARSHAL_CONV_HANDLEREF: {
1499 * Passing HandleRefs in a struct that is ref()ed does not
1500 * copy the values back to the HandleRef
1505 case MONO_MARSHAL_CONV_STR_BSTR:
1506 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
1507 case MONO_MARSHAL_CONV_STR_TBSTR:
1508 case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
1510 char *msg = g_strdup_printf ("marshaling conversion %d not implemented", conv);
1512 mono_mb_emit_exception_marshal_directive (mb, msg);
1519 conv_to_icall (MonoMarshalConv conv)
1522 case MONO_MARSHAL_CONV_STR_LPWSTR:
1523 return mono_marshal_string_to_utf16;
1524 case MONO_MARSHAL_CONV_LPWSTR_STR:
1525 return mono_string_from_utf16;
1526 case MONO_MARSHAL_CONV_LPTSTR_STR:
1527 return mono_string_new_wrapper;
1528 case MONO_MARSHAL_CONV_LPSTR_STR:
1529 return mono_string_new_wrapper;
1530 case MONO_MARSHAL_CONV_STR_LPTSTR:
1532 return mono_marshal_string_to_utf16;
1534 return mono_string_to_lpstr;
1536 case MONO_MARSHAL_CONV_STR_LPSTR:
1537 return mono_string_to_lpstr;
1538 case MONO_MARSHAL_CONV_STR_BSTR:
1539 return mono_string_to_bstr;
1540 case MONO_MARSHAL_CONV_BSTR_STR:
1541 return mono_string_from_bstr;
1542 case MONO_MARSHAL_CONV_STR_TBSTR:
1543 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
1544 return mono_string_to_ansibstr;
1545 case MONO_MARSHAL_CONV_SB_LPSTR:
1546 return mono_string_builder_to_utf8;
1547 case MONO_MARSHAL_CONV_SB_LPTSTR:
1549 return mono_string_builder_to_utf16;
1551 return mono_string_builder_to_utf8;
1553 case MONO_MARSHAL_CONV_SB_LPWSTR:
1554 return mono_string_builder_to_utf16;
1555 case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
1556 return mono_array_to_savearray;
1557 case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
1558 return mono_array_to_lparray;
1559 case MONO_MARSHAL_FREE_LPARRAY:
1560 return mono_free_lparray;
1561 case MONO_MARSHAL_CONV_DEL_FTN:
1562 return mono_delegate_to_ftnptr;
1563 case MONO_MARSHAL_CONV_FTN_DEL:
1564 return mono_ftnptr_to_delegate;
1565 case MONO_MARSHAL_CONV_LPSTR_SB:
1566 return mono_string_utf8_to_builder;
1567 case MONO_MARSHAL_CONV_LPTSTR_SB:
1569 return mono_string_utf16_to_builder;
1571 return mono_string_utf8_to_builder;
1573 case MONO_MARSHAL_CONV_LPWSTR_SB:
1574 return mono_string_utf16_to_builder;
1575 case MONO_MARSHAL_FREE_ARRAY:
1576 return mono_marshal_free_array;
1577 case MONO_MARSHAL_CONV_STR_BYVALSTR:
1578 return mono_string_to_byvalstr;
1579 case MONO_MARSHAL_CONV_STR_BYVALWSTR:
1580 return mono_string_to_byvalwstr;
1582 g_assert_not_reached ();
1589 emit_object_to_ptr_conv (MonoMethodBuilder *mb, MonoType *type, MonoMarshalConv conv, MonoMarshalSpec *mspec)
1594 case MONO_MARSHAL_CONV_BOOL_I4:
1595 mono_mb_emit_ldloc (mb, 1);
1596 mono_mb_emit_ldloc (mb, 0);
1597 mono_mb_emit_byte (mb, CEE_LDIND_U1);
1598 mono_mb_emit_byte (mb, CEE_STIND_I4);
1600 case MONO_MARSHAL_CONV_BOOL_VARIANTBOOL:
1601 mono_mb_emit_ldloc (mb, 1);
1602 mono_mb_emit_ldloc (mb, 0);
1603 mono_mb_emit_byte (mb, CEE_LDIND_U1);
1604 mono_mb_emit_byte (mb, CEE_NEG);
1605 mono_mb_emit_byte (mb, CEE_STIND_I2);
1607 case MONO_MARSHAL_CONV_STR_LPWSTR:
1608 case MONO_MARSHAL_CONV_STR_LPSTR:
1609 case MONO_MARSHAL_CONV_STR_LPTSTR:
1610 case MONO_MARSHAL_CONV_STR_BSTR:
1611 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
1612 case MONO_MARSHAL_CONV_STR_TBSTR: {
1615 /* free space if free == true */
1616 mono_mb_emit_ldloc (mb, 2);
1617 pos = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
1618 mono_mb_emit_ldloc (mb, 1);
1619 mono_mb_emit_byte (mb, CEE_LDIND_I);
1620 mono_mb_emit_icall (mb, g_free);
1621 mono_mb_patch_short_branch (mb, pos);
1623 mono_mb_emit_ldloc (mb, 1);
1624 mono_mb_emit_ldloc (mb, 0);
1625 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1626 mono_mb_emit_icall (mb, conv_to_icall (conv));
1627 mono_mb_emit_byte (mb, CEE_STIND_I);
1630 case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
1631 case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
1632 case MONO_MARSHAL_CONV_DEL_FTN:
1633 mono_mb_emit_ldloc (mb, 1);
1634 mono_mb_emit_ldloc (mb, 0);
1635 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1636 mono_mb_emit_icall (mb, conv_to_icall (conv));
1637 mono_mb_emit_byte (mb, CEE_STIND_I);
1639 case MONO_MARSHAL_CONV_STR_BYVALSTR:
1640 case MONO_MARSHAL_CONV_STR_BYVALWSTR: {
1643 mono_mb_emit_ldloc (mb, 1); /* dst */
1644 mono_mb_emit_ldloc (mb, 0);
1645 mono_mb_emit_byte (mb, CEE_LDIND_REF); /* src String */
1646 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1647 mono_mb_emit_icall (mb, conv_to_icall (conv));
1650 case MONO_MARSHAL_CONV_ARRAY_BYVALARRAY: {
1651 MonoClass *eklass = NULL;
1654 if (type->type == MONO_TYPE_SZARRAY) {
1655 eklass = type->data.klass;
1657 g_assert_not_reached ();
1660 if (eklass->valuetype)
1661 esize = mono_class_native_size (eklass, NULL);
1663 esize = sizeof (gpointer);
1665 mono_mb_emit_ldloc (mb, 0);
1666 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1667 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
1669 if (eklass->blittable) {
1670 mono_mb_emit_ldloc (mb, 1);
1671 mono_mb_emit_ldloc (mb, 0);
1672 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1673 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoArray, vector));
1674 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem * esize);
1675 mono_mb_emit_byte (mb, CEE_PREFIX1);
1676 mono_mb_emit_byte (mb, CEE_CPBLK);
1678 int array_var, src_var, dst_var, index_var;
1679 guint32 label2, label3;
1681 array_var = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
1682 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1683 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1686 mono_mb_emit_ldloc (mb, 0);
1687 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1688 mono_mb_emit_stloc (mb, array_var);
1690 /* save the old src pointer */
1691 mono_mb_emit_ldloc (mb, 0);
1692 mono_mb_emit_stloc (mb, src_var);
1693 /* save the old dst pointer */
1694 mono_mb_emit_ldloc (mb, 1);
1695 mono_mb_emit_stloc (mb, dst_var);
1697 /* Emit marshalling loop */
1698 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1699 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
1700 mono_mb_emit_stloc (mb, index_var);
1703 label2 = mono_mb_get_label (mb);
1704 mono_mb_emit_ldloc (mb, index_var);
1705 mono_mb_emit_ldloc (mb, array_var);
1706 mono_mb_emit_byte (mb, CEE_LDLEN);
1707 label3 = mono_mb_emit_branch (mb, CEE_BGE);
1710 mono_mb_emit_ldloc (mb, array_var);
1711 mono_mb_emit_ldloc (mb, index_var);
1712 mono_mb_emit_op (mb, CEE_LDELEMA, eklass);
1713 mono_mb_emit_stloc (mb, 0);
1715 /* dst is already set */
1717 /* Do the conversion */
1718 emit_struct_conv (mb, eklass, FALSE);
1721 mono_mb_emit_add_to_local (mb, index_var, 1);
1723 mono_mb_emit_branch_label (mb, CEE_BR, label2);
1725 mono_mb_patch_branch (mb, label3);
1727 /* restore the old src pointer */
1728 mono_mb_emit_ldloc (mb, src_var);
1729 mono_mb_emit_stloc (mb, 0);
1730 /* restore the old dst pointer */
1731 mono_mb_emit_ldloc (mb, dst_var);
1732 mono_mb_emit_stloc (mb, 1);
1735 mono_mb_patch_branch (mb, pos);
1738 case MONO_MARSHAL_CONV_ARRAY_BYVALCHARARRAY: {
1739 mono_mb_emit_ldloc (mb, 0);
1740 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1741 pos = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
1743 mono_mb_emit_ldloc (mb, 1);
1744 mono_mb_emit_ldloc (mb, 0);
1745 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1746 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1747 mono_mb_emit_icall (mb, mono_array_to_byte_byvalarray);
1748 mono_mb_patch_short_branch (mb, pos);
1751 case MONO_MARSHAL_CONV_OBJECT_STRUCT: {
1752 int src_var, dst_var;
1754 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1755 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1757 mono_mb_emit_ldloc (mb, 0);
1758 mono_mb_emit_byte (mb, CEE_LDIND_I);
1759 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
1761 /* save the old src pointer */
1762 mono_mb_emit_ldloc (mb, 0);
1763 mono_mb_emit_stloc (mb, src_var);
1764 /* save the old dst pointer */
1765 mono_mb_emit_ldloc (mb, 1);
1766 mono_mb_emit_stloc (mb, dst_var);
1768 /* src = pointer to object data */
1769 mono_mb_emit_ldloc (mb, 0);
1770 mono_mb_emit_byte (mb, CEE_LDIND_I);
1771 mono_mb_emit_icon (mb, sizeof (MonoObject));
1772 mono_mb_emit_byte (mb, CEE_ADD);
1773 mono_mb_emit_stloc (mb, 0);
1775 emit_struct_conv (mb, mono_class_from_mono_type (type), FALSE);
1777 /* restore the old src pointer */
1778 mono_mb_emit_ldloc (mb, src_var);
1779 mono_mb_emit_stloc (mb, 0);
1780 /* restore the old dst pointer */
1781 mono_mb_emit_ldloc (mb, dst_var);
1782 mono_mb_emit_stloc (mb, 1);
1784 mono_mb_patch_branch (mb, pos);
1789 case MONO_MARSHAL_CONV_OBJECT_INTERFACE:
1790 case MONO_MARSHAL_CONV_OBJECT_IDISPATCH:
1791 case MONO_MARSHAL_CONV_OBJECT_IUNKNOWN:
1792 mono_cominterop_emit_object_to_ptr_conv (mb, type, conv, mspec);
1794 #endif /* DISABLE_COM */
1796 case MONO_MARSHAL_CONV_SAFEHANDLE: {
1797 int dar_release_slot, pos;
1799 dar_release_slot = mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
1802 * The following is ifdefed-out, because I have no way of doing the
1803 * DangerousRelease when destroying the structure
1806 /* set release = false */
1807 mono_mb_emit_icon (mb, 0);
1808 mono_mb_emit_stloc (mb, dar_release_slot);
1809 if (!sh_dangerous_add_ref)
1810 init_safe_handle ();
1812 /* safehandle.DangerousAddRef (ref release) */
1813 mono_mb_emit_ldloc (mb, 0); /* the source */
1814 mono_mb_emit_byte (mb, CEE_LDIND_I);
1815 mono_mb_emit_ldloc_addr (mb, dar_release_slot);
1816 mono_mb_emit_managed_call (mb, sh_dangerous_add_ref, NULL);
1818 mono_mb_emit_ldloc (mb, 0);
1819 mono_mb_emit_byte (mb, CEE_LDIND_I);
1820 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
1821 mono_mb_emit_exception (mb, "ArgumentNullException", NULL);
1822 mono_mb_patch_branch (mb, pos);
1824 /* Pull the handle field from SafeHandle */
1825 mono_mb_emit_ldloc (mb, 1);
1826 mono_mb_emit_ldloc (mb, 0);
1827 mono_mb_emit_byte (mb, CEE_LDIND_I);
1828 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoSafeHandle, handle));
1829 mono_mb_emit_byte (mb, CEE_LDIND_I);
1830 mono_mb_emit_byte (mb, CEE_STIND_I);
1834 case MONO_MARSHAL_CONV_HANDLEREF: {
1835 mono_mb_emit_ldloc (mb, 1);
1836 mono_mb_emit_ldloc (mb, 0);
1837 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoHandleRef, handle));
1838 mono_mb_emit_byte (mb, CEE_ADD);
1839 mono_mb_emit_byte (mb, CEE_LDIND_I);
1840 mono_mb_emit_byte (mb, CEE_STIND_I);
1845 char *msg = g_strdup_printf ("marshalling conversion %d not implemented", conv);
1846 MonoException *exc = mono_get_exception_not_implemented (msg);
1847 g_warning ("%s", msg);
1849 mono_raise_exception (exc);
1855 emit_struct_conv_full (MonoMethodBuilder *mb, MonoClass *klass, gboolean to_object,
1856 MonoMarshalNative string_encoding)
1858 MonoMarshalType *info;
1862 emit_struct_conv(mb, klass->parent, to_object);
1864 info = mono_marshal_load_type_info (klass);
1866 if (info->native_size == 0)
1869 if (klass->blittable) {
1870 int msize = mono_class_value_size (klass, NULL);
1871 g_assert (msize == info->native_size);
1872 mono_mb_emit_ldloc (mb, 1);
1873 mono_mb_emit_ldloc (mb, 0);
1874 mono_mb_emit_icon (mb, msize);
1875 mono_mb_emit_byte (mb, CEE_PREFIX1);
1876 mono_mb_emit_byte (mb, CEE_CPBLK);
1878 mono_mb_emit_add_to_local (mb, 0, msize);
1879 mono_mb_emit_add_to_local (mb, 1, msize);
1883 if (klass != mono_defaults.safehandle_class) {
1884 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
1885 char *msg = g_strdup_printf ("Type %s which is passed to unmanaged code must have a StructLayout attribute.",
1886 mono_type_full_name (&klass->byval_arg));
1887 mono_mb_emit_exception_marshal_directive (mb, msg);
1892 for (i = 0; i < info->num_fields; i++) {
1893 MonoMarshalNative ntype;
1894 MonoMarshalConv conv;
1895 MonoType *ftype = info->fields [i].field->type;
1898 gboolean last_field = i < (info->num_fields -1) ? 0 : 1;
1900 if (ftype->attrs & FIELD_ATTRIBUTE_STATIC)
1903 ntype = mono_type_to_unmanaged (ftype, info->fields [i].mspec, TRUE, klass->unicode, &conv);
1906 msize = klass->instance_size - info->fields [i].field->offset;
1907 usize = info->native_size - info->fields [i].offset;
1909 msize = info->fields [i + 1].field->offset - info->fields [i].field->offset;
1910 usize = info->fields [i + 1].offset - info->fields [i].offset;
1913 if (klass != mono_defaults.safehandle_class){
1915 * FIXME: Should really check for usize==0 and msize>0, but we apply
1916 * the layout to the managed structure as well.
1919 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) && (usize == 0)) {
1920 if (MONO_TYPE_IS_REFERENCE (info->fields [i].field->type) ||
1921 ((!last_field && MONO_TYPE_IS_REFERENCE (info->fields [i + 1].field->type))))
1922 g_error ("Type %s which has an [ExplicitLayout] attribute cannot have a "
1923 "reference field at the same offset as another field.",
1924 mono_type_full_name (&klass->byval_arg));
1929 case MONO_MARSHAL_CONV_NONE: {
1932 if (ftype->byref || ftype->type == MONO_TYPE_I ||
1933 ftype->type == MONO_TYPE_U) {
1934 mono_mb_emit_ldloc (mb, 1);
1935 mono_mb_emit_ldloc (mb, 0);
1936 mono_mb_emit_byte (mb, CEE_LDIND_I);
1937 mono_mb_emit_byte (mb, CEE_STIND_I);
1948 case MONO_TYPE_BOOLEAN:
1951 case MONO_TYPE_CHAR:
1957 mono_mb_emit_ldloc (mb, 1);
1958 mono_mb_emit_ldloc (mb, 0);
1959 if (t == MONO_TYPE_CHAR && ntype == MONO_NATIVE_U1 && string_encoding != MONO_NATIVE_LPWSTR) {
1961 mono_mb_emit_byte (mb, CEE_LDIND_U1);
1962 mono_mb_emit_byte (mb, CEE_STIND_I2);
1964 mono_mb_emit_byte (mb, CEE_LDIND_U2);
1965 mono_mb_emit_byte (mb, CEE_STIND_I1);
1968 mono_mb_emit_byte (mb, mono_type_to_ldind (ftype));
1969 mono_mb_emit_byte (mb, mono_type_to_stind (ftype));
1972 case MONO_TYPE_VALUETYPE: {
1973 int src_var, dst_var;
1975 if (ftype->data.klass->enumtype) {
1976 ftype = mono_class_enum_basetype (ftype->data.klass);
1980 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1981 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1983 /* save the old src pointer */
1984 mono_mb_emit_ldloc (mb, 0);
1985 mono_mb_emit_stloc (mb, src_var);
1986 /* save the old dst pointer */
1987 mono_mb_emit_ldloc (mb, 1);
1988 mono_mb_emit_stloc (mb, dst_var);
1990 emit_struct_conv (mb, ftype->data.klass, to_object);
1992 /* restore the old src pointer */
1993 mono_mb_emit_ldloc (mb, src_var);
1994 mono_mb_emit_stloc (mb, 0);
1995 /* restore the old dst pointer */
1996 mono_mb_emit_ldloc (mb, dst_var);
1997 mono_mb_emit_stloc (mb, 1);
2000 case MONO_TYPE_OBJECT: {
2003 static MonoMethod *variant_clear = NULL;
2004 static MonoMethod *get_object_for_native_variant = NULL;
2007 variant_clear = mono_class_get_method_from_name (mono_class_get_variant_class (), "Clear", 0);
2008 if (!get_object_for_native_variant)
2009 get_object_for_native_variant = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetObjectForNativeVariant", 1);
2010 mono_mb_emit_ldloc (mb, 1);
2011 mono_mb_emit_ldloc (mb, 0);
2012 mono_mb_emit_managed_call (mb, get_object_for_native_variant, NULL);
2013 mono_mb_emit_byte (mb, CEE_STIND_REF);
2015 mono_mb_emit_ldloc (mb, 0);
2016 mono_mb_emit_managed_call (mb, variant_clear, NULL);
2019 static MonoMethod *get_native_variant_for_object = NULL;
2021 if (!get_native_variant_for_object)
2022 get_native_variant_for_object = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetNativeVariantForObject", 2);
2024 mono_mb_emit_ldloc (mb, 0);
2025 mono_mb_emit_byte(mb, CEE_LDIND_REF);
2026 mono_mb_emit_ldloc (mb, 1);
2027 mono_mb_emit_managed_call (mb, get_native_variant_for_object, NULL);
2030 char *msg = g_strdup_printf ("COM support was disabled at compilation time.");
2031 mono_mb_emit_exception_marshal_directive (mb, msg);
2037 g_warning ("marshaling type %02x not implemented", ftype->type);
2038 g_assert_not_reached ();
2043 int src_var, dst_var;
2045 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2046 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2048 /* save the old src pointer */
2049 mono_mb_emit_ldloc (mb, 0);
2050 mono_mb_emit_stloc (mb, src_var);
2051 /* save the old dst pointer */
2052 mono_mb_emit_ldloc (mb, 1);
2053 mono_mb_emit_stloc (mb, dst_var);
2056 emit_ptr_to_object_conv (mb, ftype, conv, info->fields [i].mspec);
2058 emit_object_to_ptr_conv (mb, ftype, conv, info->fields [i].mspec);
2060 /* restore the old src pointer */
2061 mono_mb_emit_ldloc (mb, src_var);
2062 mono_mb_emit_stloc (mb, 0);
2063 /* restore the old dst pointer */
2064 mono_mb_emit_ldloc (mb, dst_var);
2065 mono_mb_emit_stloc (mb, 1);
2070 mono_mb_emit_add_to_local (mb, 0, usize);
2071 mono_mb_emit_add_to_local (mb, 1, msize);
2073 mono_mb_emit_add_to_local (mb, 0, msize);
2074 mono_mb_emit_add_to_local (mb, 1, usize);
2080 emit_struct_conv (MonoMethodBuilder *mb, MonoClass *klass, gboolean to_object)
2082 emit_struct_conv_full (mb, klass, to_object, -1);
2086 emit_struct_free (MonoMethodBuilder *mb, MonoClass *klass, int struct_var)
2088 /* Call DestroyStructure */
2089 /* FIXME: Only do this if needed */
2090 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2091 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
2092 mono_mb_emit_ldloc (mb, struct_var);
2093 mono_mb_emit_icall (mb, mono_struct_delete_old);
2097 emit_thread_interrupt_checkpoint_call (MonoMethodBuilder *mb, gpointer checkpoint_func)
2101 mono_mb_emit_ptr (mb, (gpointer) mono_thread_interruption_request_flag ());
2102 mono_mb_emit_byte (mb, CEE_LDIND_U4);
2103 pos_noabort = mono_mb_emit_branch (mb, CEE_BRFALSE);
2105 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2106 mono_mb_emit_byte (mb, CEE_MONO_NOT_TAKEN);
2108 mono_mb_emit_icall (mb, checkpoint_func);
2110 mono_mb_patch_branch (mb, pos_noabort);
2114 emit_thread_interrupt_checkpoint (MonoMethodBuilder *mb)
2116 if (strstr (mb->name, "mono_thread_interruption_checkpoint"))
2119 emit_thread_interrupt_checkpoint_call (mb, mono_thread_interruption_checkpoint);
2123 emit_thread_force_interrupt_checkpoint (MonoMethodBuilder *mb)
2125 emit_thread_interrupt_checkpoint_call (mb, mono_thread_force_interruption_checkpoint);
2129 mono_marshal_emit_thread_interrupt_checkpoint (MonoMethodBuilder *mb)
2131 emit_thread_interrupt_checkpoint (mb);
2134 #endif /* DISABLE_JIT */
2136 static MonoAsyncResult *
2137 mono_delegate_begin_invoke (MonoDelegate *delegate, gpointer *params)
2139 MonoMethodMessage *msg;
2140 MonoDelegate *async_callback;
2141 MonoMulticastDelegate *mcast_delegate;
2145 MonoMethod *method = NULL, *method2 = NULL;
2147 g_assert (delegate);
2148 mcast_delegate = (MonoMulticastDelegate *) delegate;
2149 if (mcast_delegate->prev != NULL)
2150 mono_raise_exception (mono_get_exception_argument (NULL, "The delegate must have only one target"));
2152 #ifndef DISABLE_REMOTING
2153 if (delegate->target && mono_object_class (delegate->target) == mono_defaults.transparent_proxy_class) {
2155 MonoTransparentProxy* tp = (MonoTransparentProxy *)delegate->target;
2156 if (!mono_class_is_contextbound (tp->remote_class->proxy_class) || tp->rp->context != (MonoObject *) mono_context_get ()) {
2158 /* If the target is a proxy, make a direct call. Is proxy's work
2159 // to make the call asynchronous.
2161 MonoAsyncResult *ares;
2163 MonoArray *out_args;
2164 method = delegate->method;
2166 msg = mono_method_call_message_new (mono_marshal_method_from_wrapper (method), params, NULL, &async_callback, &state);
2167 ares = mono_async_result_new (mono_domain_get (), NULL, state, NULL, NULL);
2168 MONO_OBJECT_SETREF (ares, async_delegate, (MonoObject *)delegate);
2169 MONO_OBJECT_SETREF (ares, async_callback, (MonoObject *)async_callback);
2170 MONO_OBJECT_SETREF (msg, async_result, ares);
2171 msg->call_type = CallType_BeginInvoke;
2174 mono_remoting_invoke ((MonoObject *)tp->rp, msg, &exc, &out_args);
2176 mono_raise_exception ((MonoException *) exc);
2182 klass = delegate->object.vtable->klass;
2184 method = mono_get_delegate_invoke (klass);
2185 method2 = mono_class_get_method_from_name (klass, "BeginInvoke", -1);
2188 g_assert (method != NULL);
2190 im = mono_get_delegate_invoke (method->klass);
2191 msg = mono_method_call_message_new (method, params, im, &async_callback, &state);
2193 return mono_thread_pool_add ((MonoObject *)delegate, msg, async_callback, state);
2199 mono_mb_emit_save_args (MonoMethodBuilder *mb, MonoMethodSignature *sig, gboolean save_this)
2201 int i, params_var, tmp_var;
2203 /* allocate local (pointer) *params[] */
2204 params_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2205 /* allocate local (pointer) tmp */
2206 tmp_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2208 /* alloate space on stack to store an array of pointers to the arguments */
2209 mono_mb_emit_icon (mb, sizeof (gpointer) * (sig->param_count + 1));
2210 mono_mb_emit_byte (mb, CEE_PREFIX1);
2211 mono_mb_emit_byte (mb, CEE_LOCALLOC);
2212 mono_mb_emit_stloc (mb, params_var);
2215 mono_mb_emit_ldloc (mb, params_var);
2216 mono_mb_emit_stloc (mb, tmp_var);
2218 if (save_this && sig->hasthis) {
2219 mono_mb_emit_ldloc (mb, tmp_var);
2220 mono_mb_emit_ldarg_addr (mb, 0);
2221 mono_mb_emit_byte (mb, CEE_STIND_I);
2222 /* tmp = tmp + sizeof (gpointer) */
2223 if (sig->param_count)
2224 mono_mb_emit_add_to_local (mb, tmp_var, sizeof (gpointer));
2228 for (i = 0; i < sig->param_count; i++) {
2229 mono_mb_emit_ldloc (mb, tmp_var);
2230 mono_mb_emit_ldarg_addr (mb, i + sig->hasthis);
2231 mono_mb_emit_byte (mb, CEE_STIND_I);
2232 /* tmp = tmp + sizeof (gpointer) */
2233 if (i < (sig->param_count - 1))
2234 mono_mb_emit_add_to_local (mb, tmp_var, sizeof (gpointer));
2240 #endif /* DISABLE_JIT */
2243 mono_signature_to_name (MonoMethodSignature *sig, const char *prefix)
2247 GString *res = g_string_new ("");
2250 g_string_append (res, prefix);
2251 g_string_append_c (res, '_');
2254 mono_type_get_desc (res, sig->ret, FALSE);
2257 g_string_append (res, "__this__");
2259 for (i = 0; i < sig->param_count; ++i) {
2260 g_string_append_c (res, '_');
2261 mono_type_get_desc (res, sig->params [i], FALSE);
2264 g_string_free (res, FALSE);
2269 * mono_marshal_get_string_encoding:
2271 * Return the string encoding which should be used for a given parameter.
2273 static MonoMarshalNative
2274 mono_marshal_get_string_encoding (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
2276 /* First try the parameter marshal info */
2278 if (spec->native == MONO_NATIVE_LPARRAY) {
2279 if ((spec->data.array_data.elem_type != 0) && (spec->data.array_data.elem_type != MONO_NATIVE_MAX))
2280 return spec->data.array_data.elem_type;
2283 return spec->native;
2287 return MONO_NATIVE_LPSTR;
2289 /* Then try the method level marshal info */
2290 switch (piinfo->piflags & PINVOKE_ATTRIBUTE_CHAR_SET_MASK) {
2291 case PINVOKE_ATTRIBUTE_CHAR_SET_ANSI:
2292 return MONO_NATIVE_LPSTR;
2293 case PINVOKE_ATTRIBUTE_CHAR_SET_UNICODE:
2294 return MONO_NATIVE_LPWSTR;
2295 case PINVOKE_ATTRIBUTE_CHAR_SET_AUTO:
2297 return MONO_NATIVE_LPWSTR;
2299 return MONO_NATIVE_LPSTR;
2302 return MONO_NATIVE_LPSTR;
2306 static MonoMarshalConv
2307 mono_marshal_get_string_to_ptr_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
2309 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
2312 case MONO_NATIVE_LPWSTR:
2313 return MONO_MARSHAL_CONV_STR_LPWSTR;
2314 case MONO_NATIVE_LPSTR:
2315 case MONO_NATIVE_VBBYREFSTR:
2316 return MONO_MARSHAL_CONV_STR_LPSTR;
2317 case MONO_NATIVE_LPTSTR:
2318 return MONO_MARSHAL_CONV_STR_LPTSTR;
2319 case MONO_NATIVE_BSTR:
2320 return MONO_MARSHAL_CONV_STR_BSTR;
2326 static MonoMarshalConv
2327 mono_marshal_get_stringbuilder_to_ptr_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
2329 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
2332 case MONO_NATIVE_LPWSTR:
2333 return MONO_MARSHAL_CONV_SB_LPWSTR;
2335 case MONO_NATIVE_LPSTR:
2336 return MONO_MARSHAL_CONV_SB_LPSTR;
2338 case MONO_NATIVE_LPTSTR:
2339 return MONO_MARSHAL_CONV_SB_LPTSTR;
2346 static MonoMarshalConv
2347 mono_marshal_get_ptr_to_string_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec, gboolean *need_free)
2349 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
2354 case MONO_NATIVE_LPWSTR:
2356 return MONO_MARSHAL_CONV_LPWSTR_STR;
2357 case MONO_NATIVE_LPSTR:
2358 case MONO_NATIVE_VBBYREFSTR:
2359 return MONO_MARSHAL_CONV_LPSTR_STR;
2360 case MONO_NATIVE_LPTSTR:
2361 return MONO_MARSHAL_CONV_LPTSTR_STR;
2362 case MONO_NATIVE_BSTR:
2363 return MONO_MARSHAL_CONV_BSTR_STR;
2369 static MonoMarshalConv
2370 mono_marshal_get_ptr_to_stringbuilder_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec, gboolean *need_free)
2372 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
2377 case MONO_NATIVE_LPWSTR:
2379 * mono_string_builder_to_utf16 does not allocate a
2380 * new buffer, so no need to free it.
2383 return MONO_MARSHAL_CONV_LPWSTR_SB;
2384 case MONO_NATIVE_LPSTR:
2385 return MONO_MARSHAL_CONV_LPSTR_SB;
2387 case MONO_NATIVE_LPTSTR:
2388 return MONO_MARSHAL_CONV_LPTSTR_SB;
2396 * Return whenever a field of a native structure or an array member needs to
2400 mono_marshal_need_free (MonoType *t, MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
2402 MonoMarshalNative encoding;
2403 MonoMarshalConv conv;
2406 case MONO_TYPE_VALUETYPE:
2407 /* FIXME: Optimize this */
2409 case MONO_TYPE_OBJECT:
2410 case MONO_TYPE_CLASS:
2411 if (t->data.klass == mono_defaults.stringbuilder_class) {
2413 conv = mono_marshal_get_ptr_to_stringbuilder_conv (piinfo, spec, &need_free);
2417 case MONO_TYPE_STRING:
2418 encoding = mono_marshal_get_string_encoding (piinfo, spec);
2419 return (encoding == MONO_NATIVE_LPWSTR) ? FALSE : TRUE;
2426 * Return the hash table pointed to by VAR, lazily creating it if neccesary.
2429 get_cache (GHashTable **var, GHashFunc hash_func, GCompareFunc equal_func)
2432 mono_marshal_lock ();
2435 g_hash_table_new (hash_func, equal_func);
2436 mono_memory_barrier ();
2439 mono_marshal_unlock ();
2445 get_cache_full (GHashTable **var, GHashFunc hash_func, GCompareFunc equal_func, GDestroyNotify key_destroy_func, GDestroyNotify value_destroy_func)
2448 mono_marshal_lock ();
2451 g_hash_table_new_full (hash_func, equal_func, key_destroy_func, value_destroy_func);
2452 mono_memory_barrier ();
2455 mono_marshal_unlock ();
2461 mono_marshal_get_cache (GHashTable **var, GHashFunc hash_func, GCompareFunc equal_func)
2463 return get_cache (var, hash_func, equal_func);
2467 mono_marshal_find_in_cache (GHashTable *cache, gpointer key)
2471 mono_marshal_lock ();
2472 res = g_hash_table_lookup (cache, key);
2473 mono_marshal_unlock ();
2477 /* Create the method from the builder and place it in the cache */
2479 mono_mb_create_and_cache (GHashTable *cache, gpointer key,
2480 MonoMethodBuilder *mb, MonoMethodSignature *sig,
2485 mono_marshal_lock ();
2486 res = g_hash_table_lookup (cache, key);
2487 mono_marshal_unlock ();
2490 newm = mono_mb_create_method (mb, sig, max_stack);
2491 mono_marshal_lock ();
2492 res = g_hash_table_lookup (cache, key);
2495 g_hash_table_insert (cache, key, res);
2496 mono_marshal_set_wrapper_info (res, key);
2497 mono_marshal_unlock ();
2499 mono_marshal_unlock ();
2500 mono_free_method (newm);
2508 static inline MonoMethod*
2509 mono_marshal_remoting_find_in_cache (MonoMethod *method, int wrapper_type)
2511 MonoMethod *res = NULL;
2512 MonoRemotingMethods *wrps;
2514 mono_marshal_lock ();
2515 if (method->klass->image->remoting_invoke_cache)
2516 wrps = g_hash_table_lookup (method->klass->image->remoting_invoke_cache, method);
2521 switch (wrapper_type) {
2522 case MONO_WRAPPER_REMOTING_INVOKE: res = wrps->invoke; break;
2523 case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK: res = wrps->invoke_with_check; break;
2524 case MONO_WRAPPER_XDOMAIN_INVOKE: res = wrps->xdomain_invoke; break;
2525 case MONO_WRAPPER_XDOMAIN_DISPATCH: res = wrps->xdomain_dispatch; break;
2529 /* it is important to do the unlock after the load from wrps, since in
2530 * mono_remoting_mb_create_and_cache () we drop the marshal lock to be able
2531 * to take the loader lock and some other thread may set the fields.
2533 mono_marshal_unlock ();
2537 /* Create the method from the builder and place it in the cache */
2538 static inline MonoMethod*
2539 mono_remoting_mb_create_and_cache (MonoMethod *key, MonoMethodBuilder *mb,
2540 MonoMethodSignature *sig, int max_stack)
2542 MonoMethod **res = NULL;
2543 MonoRemotingMethods *wrps;
2544 GHashTable *cache = get_cache_full (&key->klass->image->remoting_invoke_cache, mono_aligned_addr_hash, NULL, NULL, g_free);
2546 mono_marshal_lock ();
2547 wrps = g_hash_table_lookup (cache, key);
2549 wrps = g_new0 (MonoRemotingMethods, 1);
2550 g_hash_table_insert (cache, key, wrps);
2553 switch (mb->method->wrapper_type) {
2554 case MONO_WRAPPER_REMOTING_INVOKE: res = &wrps->invoke; break;
2555 case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK: res = &wrps->invoke_with_check; break;
2556 case MONO_WRAPPER_XDOMAIN_INVOKE: res = &wrps->xdomain_invoke; break;
2557 case MONO_WRAPPER_XDOMAIN_DISPATCH: res = &wrps->xdomain_dispatch; break;
2558 default: g_assert_not_reached (); break;
2560 mono_marshal_unlock ();
2564 newm = mono_mb_create_method (mb, sig, max_stack);
2566 mono_marshal_lock ();
2569 mono_marshal_set_wrapper_info (*res, key);
2570 mono_marshal_unlock ();
2572 mono_marshal_unlock ();
2573 mono_free_method (newm);
2581 mono_marshal_method_from_wrapper (MonoMethod *wrapper)
2584 int wrapper_type = wrapper->wrapper_type;
2587 if (wrapper_type == MONO_WRAPPER_NONE || wrapper_type == MONO_WRAPPER_DYNAMIC_METHOD)
2590 switch (wrapper_type) {
2591 case MONO_WRAPPER_REMOTING_INVOKE:
2592 case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK:
2593 case MONO_WRAPPER_XDOMAIN_INVOKE:
2594 case MONO_WRAPPER_SYNCHRONIZED:
2595 case MONO_WRAPPER_UNBOX:
2596 res = mono_marshal_get_wrapper_info (wrapper);
2599 if (wrapper->is_inflated)
2601 * A method cannot be inflated and a wrapper at the same time, so the wrapper info
2602 * contains an uninflated method.
2604 return mono_class_inflate_generic_method (res, mono_method_get_context (wrapper));
2607 case MONO_WRAPPER_MANAGED_TO_NATIVE:
2608 info = mono_marshal_get_wrapper_info (wrapper);
2609 if (info && (info->subtype == WRAPPER_SUBTYPE_NONE || info->subtype == WRAPPER_SUBTYPE_NATIVE_FUNC_AOT || info->subtype == WRAPPER_SUBTYPE_PINVOKE))
2610 return info->d.managed_to_native.method;
2613 case MONO_WRAPPER_RUNTIME_INVOKE:
2614 info = mono_marshal_get_wrapper_info (wrapper);
2615 if (info && (info->subtype == WRAPPER_SUBTYPE_RUNTIME_INVOKE_DIRECT || info->subtype == WRAPPER_SUBTYPE_RUNTIME_INVOKE_VIRTUAL))
2616 return info->d.runtime_invoke.method;
2625 * mono_marshal_get_wrapper_info:
2627 * Retrieve the pointer stored by mono_marshal_set_wrapper_info. The type of data
2628 * returned depends on the wrapper type. It is usually a method, a class, or a
2629 * WrapperInfo structure.
2632 mono_marshal_get_wrapper_info (MonoMethod *wrapper)
2634 g_assert (wrapper->wrapper_type);
2636 return mono_method_get_wrapper_data (wrapper, 1);
2640 * mono_marshal_set_wrapper_info:
2642 * Store an arbitrary pointer inside the wrapper which is retrievable by
2643 * mono_marshal_get_wrapper_info. The format of the data depends on the type of the
2644 * wrapper (method->wrapper_type).
2647 mono_marshal_set_wrapper_info (MonoMethod *method, gpointer data)
2651 if (method->wrapper_type == MONO_WRAPPER_NONE || method->wrapper_type == MONO_WRAPPER_DYNAMIC_METHOD)
2654 datav = ((MonoMethodWrapper *)method)->method_data;
2659 mono_wrapper_info_create (MonoMethod *wrapper, WrapperSubtype subtype)
2663 info = mono_image_alloc0 (wrapper->klass->image, sizeof (WrapperInfo));
2664 info->subtype = subtype;
2669 * get_wrapper_target_class:
2671 * Return the class where a wrapper method should be placed.
2674 get_wrapper_target_class (MonoImage *image)
2680 * - can't put all wrappers into an mscorlib class, because they reference
2681 * metadata (signature) so they should be put into the same image as the
2682 * method they wrap, so they are unloaded together.
2683 * - putting them into a class with a type initalizer could cause the
2684 * initializer to be executed which can be a problem if the wrappers are
2686 * - putting them into an inflated class can cause problems if the the
2687 * class is deleted because it references an image which is unloaded.
2688 * To avoid these problems, we put the wrappers into the <Module> class of
2692 klass = ((MonoDynamicImage*)image)->wrappers_type;
2694 klass = mono_class_get (image, mono_metadata_make_token (MONO_TABLE_TYPEDEF, 1));
2701 * Wrappers for generic methods should be instances of generic wrapper methods, i.e .the wrapper for Sort<int> should be
2702 * an instance of the wrapper for Sort<T>. This is required for full-aot to work.
2706 * check_generic_wrapper_cache:
2708 * Check CACHE for the wrapper of the generic instance ORIG_METHOD, and return it if it is found.
2709 * KEY should be the key for ORIG_METHOD in the cache, while DEF_KEY should be the key of its
2710 * generic method definition.
2713 check_generic_wrapper_cache (GHashTable *cache, MonoMethod *orig_method, gpointer key, gpointer def_key)
2716 MonoMethod *inst, *def;
2717 MonoGenericContext *ctx;
2718 MonoMethod *def_method;
2720 g_assert (orig_method->is_inflated);
2721 def_method = ((MonoMethodInflated*)orig_method)->declaring;
2722 ctx = mono_method_get_context (orig_method);
2725 * Look for the instance
2727 res = mono_marshal_find_in_cache (cache, key);
2732 * Look for the definition
2734 def = mono_marshal_find_in_cache (cache, def_key);
2736 inst = mono_class_inflate_generic_method (def, ctx);
2738 mono_memory_barrier ();
2739 mono_marshal_lock ();
2740 res = g_hash_table_lookup (cache, key);
2742 g_hash_table_insert (cache, key, inst);
2745 mono_marshal_unlock ();
2752 cache_generic_wrapper (GHashTable *cache, MonoMethod *orig_method, MonoMethod *def, MonoGenericContext *ctx, gpointer key)
2754 MonoMethod *inst, *res;
2757 * We use the same cache for the generic definition and the instances.
2759 inst = mono_class_inflate_generic_method (def, ctx);
2760 mono_memory_barrier ();
2761 mono_marshal_lock ();
2762 res = g_hash_table_lookup (cache, key);
2764 g_hash_table_insert (cache, key, inst);
2767 mono_marshal_unlock ();
2772 check_generic_delegate_wrapper_cache (GHashTable *cache, MonoMethod *orig_method, MonoMethod *def_method, MonoGenericContext *ctx)
2775 MonoMethod *inst, *def;
2778 * Look for the instance
2780 res = mono_marshal_find_in_cache (cache, orig_method->klass);
2785 * Look for the definition
2787 def = mono_marshal_find_in_cache (cache, def_method->klass);
2789 inst = mono_class_inflate_generic_method (def, ctx);
2791 mono_memory_barrier ();
2792 mono_marshal_lock ();
2793 res = g_hash_table_lookup (cache, orig_method->klass);
2795 g_hash_table_insert (cache, orig_method->klass, inst);
2798 mono_marshal_unlock ();
2805 cache_generic_delegate_wrapper (GHashTable *cache, MonoMethod *orig_method, MonoMethod *def, MonoGenericContext *ctx)
2807 MonoMethod *inst, *res;
2810 * We use the same cache for the generic definition and the instances.
2812 inst = mono_class_inflate_generic_method (def, ctx);
2813 mono_memory_barrier ();
2814 mono_marshal_lock ();
2815 res = g_hash_table_lookup (cache, orig_method->klass);
2817 g_hash_table_insert (cache, orig_method->klass, inst);
2820 mono_marshal_unlock ();
2825 mono_marshal_get_delegate_begin_invoke (MonoMethod *method)
2827 MonoMethodSignature *sig;
2828 MonoMethodBuilder *mb;
2833 MonoGenericContext *ctx = NULL;
2834 MonoMethod *orig_method = NULL;
2836 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
2837 !strcmp (method->name, "BeginInvoke"));
2840 * For generic delegates, create a generic wrapper, and returns an instance to help AOT.
2842 if (method->is_inflated) {
2843 orig_method = method;
2844 ctx = &((MonoMethodInflated*)method)->context;
2845 method = ((MonoMethodInflated*)method)->declaring;
2848 sig = mono_signature_no_pinvoke (method);
2854 cache = get_cache (&method->klass->image->delegate_begin_invoke_generic_cache, mono_aligned_addr_hash, NULL);
2855 res = check_generic_delegate_wrapper_cache (cache, orig_method, method, ctx);
2859 cache = get_cache (&method->klass->image->delegate_begin_invoke_cache,
2860 (GHashFunc)mono_signature_hash,
2861 (GCompareFunc)mono_metadata_signature_equal);
2862 if ((res = mono_marshal_find_in_cache (cache, sig)))
2866 g_assert (sig->hasthis);
2868 name = mono_signature_to_name (sig, "begin_invoke");
2870 mb = mono_mb_new (method->klass, name, MONO_WRAPPER_DELEGATE_BEGIN_INVOKE);
2872 mb = mono_mb_new (get_wrapper_target_class (method->klass->image), name, MONO_WRAPPER_DELEGATE_BEGIN_INVOKE);
2876 params_var = mono_mb_emit_save_args (mb, sig, FALSE);
2878 mono_mb_emit_ldarg (mb, 0);
2879 mono_mb_emit_ldloc (mb, params_var);
2880 mono_mb_emit_icall (mb, mono_delegate_begin_invoke);
2881 mono_mb_emit_byte (mb, CEE_RET);
2886 def = mono_mb_create_and_cache (cache, method->klass, mb, sig, sig->param_count + 16);
2887 res = cache_generic_delegate_wrapper (cache, orig_method, def, ctx);
2889 res = mono_mb_create_and_cache (cache, sig, mb, sig, sig->param_count + 16);
2897 mono_delegate_end_invoke (MonoDelegate *delegate, gpointer *params)
2899 MonoDomain *domain = mono_domain_get ();
2900 MonoAsyncResult *ares;
2901 MonoMethod *method = NULL;
2902 MonoMethodSignature *sig;
2903 MonoMethodMessage *msg;
2904 MonoObject *res, *exc;
2905 MonoArray *out_args;
2908 g_assert (delegate);
2910 if (!delegate->method_info) {
2911 g_assert (delegate->method);
2912 MONO_OBJECT_SETREF (delegate, method_info, mono_method_get_object (domain, delegate->method, NULL));
2915 if (!delegate->method_info || !delegate->method_info->method)
2916 g_assert_not_reached ();
2918 klass = delegate->object.vtable->klass;
2920 method = mono_class_get_method_from_name (klass, "EndInvoke", -1);
2921 g_assert (method != NULL);
2923 sig = mono_signature_no_pinvoke (method);
2925 msg = mono_method_call_message_new (method, params, NULL, NULL, NULL);
2927 ares = mono_array_get (msg->args, gpointer, sig->param_count - 1);
2929 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."));
2933 if (ares->async_delegate != (MonoObject*)delegate) {
2934 mono_raise_exception (mono_get_exception_invalid_operation (
2935 "The IAsyncResult object provided does not match this delegate."));
2939 #ifndef DISABLE_REMOTING
2940 if (delegate->target && mono_object_is_transparent_proxy (delegate->target)) {
2941 MonoTransparentProxy* tp = (MonoTransparentProxy *)delegate->target;
2942 msg = (MonoMethodMessage *)mono_object_new (domain, mono_defaults.mono_method_message_class);
2943 mono_message_init (domain, msg, delegate->method_info, NULL);
2944 msg->call_type = CallType_EndInvoke;
2945 MONO_OBJECT_SETREF (msg, async_result, ares);
2946 res = mono_remoting_invoke ((MonoObject *)tp->rp, msg, &exc, &out_args);
2950 res = mono_thread_pool_finish (ares, &out_args, &exc);
2954 if (((MonoException*)exc)->stack_trace) {
2955 char *strace = mono_string_to_utf8 (((MonoException*)exc)->stack_trace);
2957 tmp = g_strdup_printf ("%s\nException Rethrown at:\n", strace);
2959 MONO_OBJECT_SETREF (((MonoException*)exc), stack_trace, mono_string_new (domain, tmp));
2962 mono_raise_exception ((MonoException*)exc);
2965 mono_method_return_message_restore (method, params, out_args);
2972 mono_mb_emit_restore_result (MonoMethodBuilder *mb, MonoType *return_type)
2974 MonoType *t = mono_type_get_underlying_type (return_type);
2976 if (return_type->byref)
2977 return_type = &mono_defaults.int_class->byval_arg;
2980 case MONO_TYPE_VOID:
2981 g_assert_not_reached ();
2984 case MONO_TYPE_STRING:
2985 case MONO_TYPE_CLASS:
2986 case MONO_TYPE_OBJECT:
2987 case MONO_TYPE_ARRAY:
2988 case MONO_TYPE_SZARRAY:
2992 case MONO_TYPE_BOOLEAN:
2995 case MONO_TYPE_CHAR:
3005 mono_mb_emit_op (mb, CEE_UNBOX, mono_class_from_mono_type (return_type));
3006 mono_mb_emit_byte (mb, mono_type_to_ldind (return_type));
3008 case MONO_TYPE_GENERICINST:
3009 if (!mono_type_generic_inst_is_valuetype (t))
3012 case MONO_TYPE_VALUETYPE: {
3013 MonoClass *klass = mono_class_from_mono_type (return_type);
3014 mono_mb_emit_op (mb, CEE_UNBOX, klass);
3015 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
3019 case MONO_TYPE_MVAR: {
3020 MonoClass *klass = mono_class_from_mono_type (return_type);
3021 mono_mb_emit_op (mb, CEE_UNBOX_ANY, klass);
3025 g_warning ("type 0x%x not handled", return_type->type);
3026 g_assert_not_reached ();
3029 mono_mb_emit_byte (mb, CEE_RET);
3032 #endif /* DISABLE_JIT */
3035 mono_marshal_get_delegate_end_invoke (MonoMethod *method)
3037 MonoMethodSignature *sig;
3038 MonoMethodBuilder *mb;
3043 MonoGenericContext *ctx = NULL;
3044 MonoMethod *orig_method = NULL;
3046 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
3047 !strcmp (method->name, "EndInvoke"));
3050 * For generic delegates, create a generic wrapper, and returns an instance to help AOT.
3052 if (method->is_inflated) {
3053 orig_method = method;
3054 ctx = &((MonoMethodInflated*)method)->context;
3055 method = ((MonoMethodInflated*)method)->declaring;
3058 sig = mono_signature_no_pinvoke (method);
3064 cache = get_cache (&method->klass->image->delegate_end_invoke_generic_cache, mono_aligned_addr_hash, NULL);
3065 res = check_generic_delegate_wrapper_cache (cache, orig_method, method, ctx);
3069 cache = get_cache (&method->klass->image->delegate_end_invoke_cache,
3070 (GHashFunc)mono_signature_hash,
3071 (GCompareFunc)mono_metadata_signature_equal);
3072 if ((res = mono_marshal_find_in_cache (cache, sig)))
3076 g_assert (sig->hasthis);
3078 name = mono_signature_to_name (sig, "end_invoke");
3080 mb = mono_mb_new (method->klass, name, MONO_WRAPPER_DELEGATE_END_INVOKE);
3082 mb = mono_mb_new (get_wrapper_target_class (method->klass->image), name, MONO_WRAPPER_DELEGATE_END_INVOKE);
3086 params_var = mono_mb_emit_save_args (mb, sig, FALSE);
3088 mono_mb_emit_ldarg (mb, 0);
3089 mono_mb_emit_ldloc (mb, params_var);
3090 mono_mb_emit_icall (mb, mono_delegate_end_invoke);
3092 if (sig->ret->type == MONO_TYPE_VOID) {
3093 mono_mb_emit_byte (mb, CEE_POP);
3094 mono_mb_emit_byte (mb, CEE_RET);
3096 mono_mb_emit_restore_result (mb, sig->ret);
3101 def = mono_mb_create_and_cache (cache, method->klass, mb, sig, sig->param_count + 16);
3102 res = cache_generic_delegate_wrapper (cache, orig_method, def, ctx);
3104 res = mono_mb_create_and_cache (cache, sig,
3105 mb, sig, sig->param_count + 16);
3112 #ifndef DISABLE_REMOTING
3115 mono_remoting_wrapper (MonoMethod *method, gpointer *params)
3117 MonoMethodMessage *msg;
3118 MonoTransparentProxy *this;
3119 MonoObject *res, *exc;
3120 MonoArray *out_args;
3122 this = *((MonoTransparentProxy **)params [0]);
3125 g_assert (((MonoObject *)this)->vtable->klass == mono_defaults.transparent_proxy_class);
3127 /* skip the this pointer */
3130 if (mono_class_is_contextbound (this->remote_class->proxy_class) && this->rp->context == (MonoObject *) mono_context_get ())
3133 MonoMethodSignature *sig = mono_method_signature (method);
3134 int count = sig->param_count;
3135 gpointer* mparams = (gpointer*) alloca(count*sizeof(gpointer));
3137 for (i=0; i<count; i++) {
3138 MonoClass *class = mono_class_from_mono_type (sig->params [i]);
3139 if (class->valuetype) {
3140 if (sig->params [i]->byref) {
3141 mparams[i] = *((gpointer *)params [i]);
3143 /* runtime_invoke expects a boxed instance */
3144 if (mono_class_is_nullable (mono_class_from_mono_type (sig->params [i])))
3145 mparams[i] = mono_nullable_box (params [i], class);
3147 mparams[i] = params [i];
3150 mparams[i] = *((gpointer**)params [i]);
3154 return mono_runtime_invoke (method, method->klass->valuetype? mono_object_unbox ((MonoObject*)this): this, mparams, NULL);
3157 msg = mono_method_call_message_new (method, params, NULL, NULL, NULL);
3159 res = mono_remoting_invoke ((MonoObject *)this->rp, msg, &exc, &out_args);
3162 mono_raise_exception ((MonoException *)exc);
3164 mono_method_return_message_restore (method, params, out_args);
3170 mono_marshal_get_remoting_invoke (MonoMethod *method)
3172 MonoMethodSignature *sig;
3173 MonoMethodBuilder *mb;
3179 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE || method->wrapper_type == MONO_WRAPPER_XDOMAIN_INVOKE)
3182 /* this seems to be the best plase to put this, as all remoting invokes seem to get filtered through here */
3184 if (mono_class_is_com_object (method->klass) || method->klass == mono_class_get_com_object_class ()) {
3185 MonoVTable *vtable = mono_class_vtable (mono_domain_get (), method->klass);
3186 g_assert (vtable); /*FIXME do proper error handling*/
3188 if (!mono_vtable_is_remote (vtable)) {
3189 return mono_cominterop_get_invoke (method);
3194 sig = mono_signature_no_pinvoke (method);
3196 /* we cant remote methods without this pointer */
3200 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_REMOTING_INVOKE)))
3203 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_REMOTING_INVOKE);
3206 mb->method->save_lmf = 1;
3208 params_var = mono_mb_emit_save_args (mb, sig, TRUE);
3210 mono_mb_emit_ptr (mb, method);
3211 mono_mb_emit_ldloc (mb, params_var);
3212 mono_mb_emit_icall (mb, mono_remoting_wrapper);
3213 emit_thread_interrupt_checkpoint (mb);
3215 if (sig->ret->type == MONO_TYPE_VOID) {
3216 mono_mb_emit_byte (mb, CEE_POP);
3217 mono_mb_emit_byte (mb, CEE_RET);
3219 mono_mb_emit_restore_result (mb, sig->ret);
3223 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16);
3229 #endif /* DISABLE_REMOTING */
3232 /* mono_get_xdomain_marshal_type()
3233 * Returns the kind of marshalling that a type needs for cross domain calls.
3235 static MonoXDomainMarshalType
3236 mono_get_xdomain_marshal_type (MonoType *t)
3239 case MONO_TYPE_VOID:
3240 g_assert_not_reached ();
3244 case MONO_TYPE_BOOLEAN:
3247 case MONO_TYPE_CHAR:
3254 return MONO_MARSHAL_NONE;
3255 case MONO_TYPE_STRING:
3256 return MONO_MARSHAL_COPY;
3257 case MONO_TYPE_ARRAY:
3258 case MONO_TYPE_SZARRAY: {
3259 MonoClass *elem_class = mono_class_from_mono_type (t)->element_class;
3260 if (mono_get_xdomain_marshal_type (&(elem_class->byval_arg)) != MONO_MARSHAL_SERIALIZE)
3261 return MONO_MARSHAL_COPY;
3266 return MONO_MARSHAL_SERIALIZE;
3270 /* mono_marshal_xdomain_copy_value
3271 * Makes a copy of "val" suitable for the current domain.
3274 mono_marshal_xdomain_copy_value (MonoObject *val)
3277 if (val == NULL) return NULL;
3279 domain = mono_domain_get ();
3281 switch (mono_object_class (val)->byval_arg.type) {
3282 case MONO_TYPE_VOID:
3283 g_assert_not_reached ();
3287 case MONO_TYPE_BOOLEAN:
3290 case MONO_TYPE_CHAR:
3296 case MONO_TYPE_R8: {
3297 return mono_value_box (domain, mono_object_class (val), ((char*)val) + sizeof(MonoObject));
3299 case MONO_TYPE_STRING: {
3300 MonoString *str = (MonoString *) val;
3301 return (MonoObject *) mono_string_new_utf16 (domain, mono_string_chars (str), mono_string_length (str));
3303 case MONO_TYPE_ARRAY:
3304 case MONO_TYPE_SZARRAY: {
3306 MonoXDomainMarshalType mt = mono_get_xdomain_marshal_type (&(mono_object_class (val)->element_class->byval_arg));
3307 if (mt == MONO_MARSHAL_SERIALIZE) return NULL;
3308 acopy = mono_array_clone_in_domain (domain, (MonoArray *) val);
3309 if (mt == MONO_MARSHAL_COPY) {
3310 int i, len = mono_array_length (acopy);
3311 for (i = 0; i < len; i++) {
3312 MonoObject *item = mono_array_get (acopy, gpointer, i);
3313 mono_array_setref (acopy, i, mono_marshal_xdomain_copy_value (item));
3316 return (MonoObject *) acopy;
3320 if (mono_object_class (val) == mono_defaults.stringbuilder_class) {
3321 MonoStringBuilder *oldsb = (MonoStringBuilder *) val;
3322 MonoStringBuilder *newsb = (MonoStringBuilder *) mono_object_new (domain, mono_defaults.stringbuilder_class);
3323 MONO_OBJECT_SETREF (newsb, str, mono_string_new_utf16 (domain, mono_string_chars (oldsb->str), mono_string_length (oldsb->str)));
3324 newsb->length = oldsb->length;
3325 newsb->max_capacity = (gint32)0x7fffffff;
3326 return (MonoObject *) newsb;
3331 /* mono_marshal_xdomain_copy_out_value()
3332 * Copies the contents of the src instance into the dst instance. src and dst
3333 * must have the same type, and if they are arrays, the same size.
3336 mono_marshal_xdomain_copy_out_value (MonoObject *src, MonoObject *dst)
3338 if (src == NULL || dst == NULL) return;
3340 g_assert (mono_object_class (src) == mono_object_class (dst));
3342 switch (mono_object_class (src)->byval_arg.type) {
3343 case MONO_TYPE_ARRAY:
3344 case MONO_TYPE_SZARRAY: {
3345 int mt = mono_get_xdomain_marshal_type (&(mono_object_class (src)->element_class->byval_arg));
3346 if (mt == MONO_MARSHAL_SERIALIZE) return;
3347 if (mt == MONO_MARSHAL_COPY) {
3348 int i, len = mono_array_length ((MonoArray *)dst);
3349 for (i = 0; i < len; i++) {
3350 MonoObject *item = mono_array_get ((MonoArray *)src, gpointer, i);
3351 mono_array_setref ((MonoArray *)dst, i, mono_marshal_xdomain_copy_value (item));
3354 mono_array_full_copy ((MonoArray *)src, (MonoArray *)dst);
3360 if (mono_object_class (src) == mono_defaults.stringbuilder_class) {
3361 MonoStringBuilder *src_sb = (MonoStringBuilder *) src;
3362 MonoStringBuilder *dst_sb = (MonoStringBuilder *) dst;
3364 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)));
3365 dst_sb->cached_str = NULL;
3366 dst_sb->length = src_sb->length;
3371 #if !(defined (DISABLE_JIT) || defined (DISABLE_REMOTING))
3374 mono_marshal_emit_xdomain_copy_value (MonoMethodBuilder *mb, MonoClass *pclass)
3376 mono_mb_emit_icall (mb, mono_marshal_xdomain_copy_value);
3377 mono_mb_emit_op (mb, CEE_CASTCLASS, pclass);
3381 mono_marshal_emit_xdomain_copy_out_value (MonoMethodBuilder *mb, MonoClass *pclass)
3383 mono_mb_emit_icall (mb, mono_marshal_xdomain_copy_out_value);
3387 #ifndef DISABLE_REMOTING
3388 /* mono_marshal_supports_fast_xdomain()
3389 * Returns TRUE if the method can use the fast xdomain wrapper.
3392 mono_marshal_supports_fast_xdomain (MonoMethod *method)
3394 return !mono_class_is_contextbound (method->klass) &&
3395 !((method->flags & METHOD_ATTRIBUTE_SPECIAL_NAME) && (strcmp (".ctor", method->name) == 0));
3400 mono_marshal_set_domain_by_id (gint32 id, MonoBoolean push)
3402 MonoDomain *current_domain = mono_domain_get ();
3403 MonoDomain *domain = mono_domain_get_by_id (id);
3405 if (!domain || !mono_domain_set (domain, FALSE))
3406 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
3409 mono_thread_push_appdomain_ref (domain);
3411 mono_thread_pop_appdomain_ref ();
3413 return current_domain->domain_id;
3416 #if !(defined (DISABLE_JIT) || defined (DISABLE_REMOTING))
3418 mono_marshal_emit_switch_domain (MonoMethodBuilder *mb)
3420 mono_mb_emit_icall (mb, mono_marshal_set_domain_by_id);
3423 /* mono_marshal_emit_load_domain_method ()
3424 * Loads into the stack a pointer to the code of the provided method for
3425 * the current domain.
3428 mono_marshal_emit_load_domain_method (MonoMethodBuilder *mb, MonoMethod *method)
3430 /* We need a pointer to the method for the running domain (not the domain
3431 * that compiles the method).
3433 mono_mb_emit_ptr (mb, method);
3434 mono_mb_emit_icall (mb, mono_compile_method);
3438 /* mono_marshal_check_domain_image ()
3439 * Returns TRUE if the image is loaded in the specified
3440 * application domain.
3443 mono_marshal_check_domain_image (gint32 domain_id, MonoImage *image)
3448 MonoDomain *domain = mono_domain_get_by_id (domain_id);
3452 mono_domain_assemblies_lock (domain);
3453 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
3455 if (ass->image == image)
3458 mono_domain_assemblies_unlock (domain);
3463 #ifndef DISABLE_REMOTING
3465 /* mono_marshal_get_xappdomain_dispatch ()
3466 * Generates a method that dispatches a method call from another domain into
3467 * the current domain.
3470 mono_marshal_get_xappdomain_dispatch (MonoMethod *method, int *marshal_types, int complex_count, int complex_out_count, int ret_marshal_type)
3472 MonoMethodSignature *sig, *csig;
3473 MonoMethodBuilder *mb;
3475 int i, j, param_index, copy_locals_base;
3476 MonoClass *ret_class = NULL;
3477 int loc_array=0, loc_return=0, loc_serialized_exc=0;
3478 MonoExceptionClause *main_clause;
3480 gboolean copy_return;
3482 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_XDOMAIN_DISPATCH)))
3485 sig = mono_method_signature (method);
3486 copy_return = (sig->ret->type != MONO_TYPE_VOID && ret_marshal_type != MONO_MARSHAL_SERIALIZE);
3489 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3 + sig->param_count - complex_count);
3490 csig->params [j++] = &mono_defaults.object_class->byval_arg;
3491 csig->params [j++] = &byte_array_class->this_arg;
3492 csig->params [j++] = &byte_array_class->this_arg;
3493 for (i = 0; i < sig->param_count; i++) {
3494 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE)
3495 csig->params [j++] = sig->params [i];
3498 csig->ret = sig->ret;
3500 csig->ret = &mono_defaults.void_class->byval_arg;
3502 csig->hasthis = FALSE;
3504 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_XDOMAIN_DISPATCH);
3505 mb->method->save_lmf = 1;
3510 loc_serialized_exc = mono_mb_add_local (mb, &byte_array_class->byval_arg);
3511 if (complex_count > 0)
3512 loc_array = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3513 if (sig->ret->type != MONO_TYPE_VOID) {
3514 loc_return = mono_mb_add_local (mb, sig->ret);
3515 ret_class = mono_class_from_mono_type (sig->ret);
3520 main_clause = mono_image_alloc0 (method->klass->image, sizeof (MonoExceptionClause));
3521 main_clause->try_offset = mono_mb_get_label (mb);
3523 /* Clean the call context */
3525 mono_mb_emit_byte (mb, CEE_LDNULL);
3526 mono_mb_emit_managed_call (mb, method_set_call_context, NULL);
3527 mono_mb_emit_byte (mb, CEE_POP);
3529 /* Deserialize call data */
3531 mono_mb_emit_ldarg (mb, 1);
3532 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3533 mono_mb_emit_byte (mb, CEE_DUP);
3534 pos = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
3536 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
3537 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
3539 if (complex_count > 0)
3540 mono_mb_emit_stloc (mb, loc_array);
3542 mono_mb_emit_byte (mb, CEE_POP);
3544 mono_mb_patch_short_branch (mb, pos);
3546 /* Get the target object */
3548 mono_mb_emit_ldarg (mb, 0);
3549 mono_mb_emit_managed_call (mb, method_rs_appdomain_target, NULL);
3551 /* Load the arguments */
3553 copy_locals_base = mb->locals;
3554 param_index = 3; // Index of the first non-serialized parameter of this wrapper
3556 for (i = 0; i < sig->param_count; i++) {
3557 MonoType *pt = sig->params [i];
3558 MonoClass *pclass = mono_class_from_mono_type (pt);
3559 switch (marshal_types [i]) {
3560 case MONO_MARSHAL_SERIALIZE: {
3561 /* take the value from the serialized array */
3562 mono_mb_emit_ldloc (mb, loc_array);
3563 mono_mb_emit_icon (mb, j++);
3565 if (pclass->valuetype) {
3566 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3567 mono_mb_emit_op (mb, CEE_UNBOX, pclass);
3569 mono_mb_emit_op (mb, CEE_LDELEMA, pclass);
3572 if (pclass->valuetype) {
3573 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3574 mono_mb_emit_op (mb, CEE_UNBOX, pclass);
3575 mono_mb_emit_op (mb, CEE_LDOBJ, pclass);
3577 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3578 if (pclass != mono_defaults.object_class) {
3579 mono_mb_emit_op (mb, CEE_CASTCLASS, pclass);
3585 case MONO_MARSHAL_COPY_OUT: {
3586 /* Keep a local copy of the value since we need to copy it back after the call */
3587 int copy_local = mono_mb_add_local (mb, &(pclass->byval_arg));
3588 mono_mb_emit_ldarg (mb, param_index++);
3589 mono_marshal_emit_xdomain_copy_value (mb, pclass);
3590 mono_mb_emit_byte (mb, CEE_DUP);
3591 mono_mb_emit_stloc (mb, copy_local);
3594 case MONO_MARSHAL_COPY: {
3595 mono_mb_emit_ldarg (mb, param_index);
3597 mono_mb_emit_byte (mb, CEE_DUP);
3598 mono_mb_emit_byte (mb, CEE_DUP);
3599 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3600 mono_marshal_emit_xdomain_copy_value (mb, pclass);
3601 mono_mb_emit_byte (mb, CEE_STIND_REF);
3603 mono_marshal_emit_xdomain_copy_value (mb, pclass);
3608 case MONO_MARSHAL_NONE:
3609 mono_mb_emit_ldarg (mb, param_index++);
3614 /* Make the call to the real object */
3616 emit_thread_force_interrupt_checkpoint (mb);
3618 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
3620 if (sig->ret->type != MONO_TYPE_VOID)
3621 mono_mb_emit_stloc (mb, loc_return);
3623 /* copy back MONO_MARSHAL_COPY_OUT parameters */
3627 for (i = 0; i < sig->param_count; i++) {
3628 if (marshal_types [i] == MONO_MARSHAL_SERIALIZE) continue;
3629 if (marshal_types [i] == MONO_MARSHAL_COPY_OUT) {
3630 mono_mb_emit_ldloc (mb, copy_locals_base + (j++));
3631 mono_mb_emit_ldarg (mb, param_index);
3632 mono_marshal_emit_xdomain_copy_out_value (mb, mono_class_from_mono_type (sig->params [i]));
3637 /* Serialize the return values */
3639 if (complex_out_count > 0) {
3640 /* Reset parameters in the array that don't need to be serialized back */
3642 for (i = 0; i < sig->param_count; i++) {
3643 if (marshal_types[i] != MONO_MARSHAL_SERIALIZE) continue;
3644 if (!sig->params [i]->byref) {
3645 mono_mb_emit_ldloc (mb, loc_array);
3646 mono_mb_emit_icon (mb, j);
3647 mono_mb_emit_byte (mb, CEE_LDNULL);
3648 mono_mb_emit_byte (mb, CEE_STELEM_REF);
3653 /* Add the return value to the array */
3655 if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
3656 mono_mb_emit_ldloc (mb, loc_array);
3657 mono_mb_emit_icon (mb, complex_count); /* The array has an additional slot to hold the ret value */
3658 mono_mb_emit_ldloc (mb, loc_return);
3660 g_assert (ret_class); /*FIXME properly fail here*/
3661 if (ret_class->valuetype) {
3662 mono_mb_emit_op (mb, CEE_BOX, ret_class);
3664 mono_mb_emit_byte (mb, CEE_STELEM_REF);
3669 mono_mb_emit_ldarg (mb, 1);
3670 mono_mb_emit_ldloc (mb, loc_array);
3671 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3672 mono_mb_emit_byte (mb, CEE_STIND_REF);
3673 } else if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
3674 mono_mb_emit_ldarg (mb, 1);
3675 mono_mb_emit_ldloc (mb, loc_return);
3676 if (ret_class->valuetype) {
3677 mono_mb_emit_op (mb, CEE_BOX, ret_class);
3679 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3680 mono_mb_emit_byte (mb, CEE_STIND_REF);
3682 mono_mb_emit_ldarg (mb, 1);
3683 mono_mb_emit_byte (mb, CEE_LDNULL);
3684 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3685 mono_mb_emit_byte (mb, CEE_STIND_REF);
3688 mono_mb_emit_ldarg (mb, 2);
3689 mono_mb_emit_byte (mb, CEE_LDNULL);
3690 mono_mb_emit_byte (mb, CEE_STIND_REF);
3691 pos_leave = mono_mb_emit_branch (mb, CEE_LEAVE);
3693 /* Main exception catch */
3694 main_clause->flags = MONO_EXCEPTION_CLAUSE_NONE;
3695 main_clause->try_len = mono_mb_get_pos (mb) - main_clause->try_offset;
3696 main_clause->data.catch_class = mono_defaults.object_class;
3699 main_clause->handler_offset = mono_mb_get_label (mb);
3700 mono_mb_emit_managed_call (mb, method_rs_serialize_exc, NULL);
3701 mono_mb_emit_stloc (mb, loc_serialized_exc);
3702 mono_mb_emit_ldarg (mb, 2);
3703 mono_mb_emit_ldloc (mb, loc_serialized_exc);
3704 mono_mb_emit_byte (mb, CEE_STIND_REF);
3705 mono_mb_emit_branch (mb, CEE_LEAVE);
3706 main_clause->handler_len = mono_mb_get_pos (mb) - main_clause->handler_offset;
3709 mono_mb_patch_branch (mb, pos_leave);
3712 mono_mb_emit_ldloc (mb, loc_return);
3714 mono_mb_emit_byte (mb, CEE_RET);
3716 mono_mb_set_clauses (mb, 1, main_clause);
3719 res = mono_remoting_mb_create_and_cache (method, mb, csig, csig->param_count + 16);
3725 /* mono_marshal_get_xappdomain_invoke ()
3726 * Generates a fast remoting wrapper for cross app domain calls.
3729 mono_marshal_get_xappdomain_invoke (MonoMethod *method)
3731 MonoMethodSignature *sig;
3732 MonoMethodBuilder *mb;
3734 int i, j, complex_count, complex_out_count, copy_locals_base;
3736 MonoClass *ret_class = NULL;
3737 MonoMethod *xdomain_method;
3738 int ret_marshal_type = MONO_MARSHAL_NONE;
3739 int loc_array=0, loc_serialized_data=-1, loc_real_proxy;
3740 int loc_old_domainid, loc_domainid, loc_return=0, loc_serialized_exc=0, loc_context;
3741 int pos, pos_dispatch, pos_noex;
3742 gboolean copy_return = FALSE;
3746 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE || method->wrapper_type == MONO_WRAPPER_XDOMAIN_INVOKE)
3749 /* we cant remote methods without this pointer */
3750 if (!mono_method_signature (method)->hasthis)
3753 if (!mono_marshal_supports_fast_xdomain (method))
3754 return mono_marshal_get_remoting_invoke (method);
3756 mono_remoting_marshal_init ();
3758 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_XDOMAIN_INVOKE)))
3761 sig = mono_signature_no_pinvoke (method);
3763 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_XDOMAIN_INVOKE);
3764 mb->method->save_lmf = 1;
3766 /* Count the number of parameters that need to be serialized */
3768 marshal_types = alloca (sizeof (int) * sig->param_count);
3769 complex_count = complex_out_count = 0;
3770 for (i = 0; i < sig->param_count; i++) {
3771 MonoType *ptype = sig->params[i];
3772 int mt = mono_get_xdomain_marshal_type (ptype);
3774 /* If the [Out] attribute is applied to a parameter that can be internally copied,
3775 * the copy will be made by reusing the original object instance
3777 if ((ptype->attrs & PARAM_ATTRIBUTE_OUT) != 0 && mt == MONO_MARSHAL_COPY && !ptype->byref)
3778 mt = MONO_MARSHAL_COPY_OUT;
3779 else if (mt == MONO_MARSHAL_SERIALIZE) {
3781 if (ptype->byref) complex_out_count++;
3783 marshal_types [i] = mt;
3786 if (sig->ret->type != MONO_TYPE_VOID) {
3787 ret_marshal_type = mono_get_xdomain_marshal_type (sig->ret);
3788 ret_class = mono_class_from_mono_type (sig->ret);
3789 copy_return = ret_marshal_type != MONO_MARSHAL_SERIALIZE;
3795 if (complex_count > 0)
3796 loc_array = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3797 loc_serialized_data = mono_mb_add_local (mb, &byte_array_class->byval_arg);
3798 loc_real_proxy = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3800 loc_return = mono_mb_add_local (mb, sig->ret);
3801 loc_old_domainid = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
3802 loc_domainid = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
3803 loc_serialized_exc = mono_mb_add_local (mb, &byte_array_class->byval_arg);
3804 loc_context = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3806 /* Save thread domain data */
3808 mono_mb_emit_icall (mb, mono_context_get);
3809 mono_mb_emit_byte (mb, CEE_DUP);
3810 mono_mb_emit_stloc (mb, loc_context);
3812 /* If the thread is not running in the default context, it needs to go
3813 * through the whole remoting sink, since the context is going to change
3815 mono_mb_emit_managed_call (mb, method_needs_context_sink, NULL);
3816 pos = mono_mb_emit_short_branch (mb, CEE_BRTRUE_S);
3818 /* Another case in which the fast path can't be used: when the target domain
3819 * has a different image for the same assembly.
3822 /* Get the target domain id */
3824 mono_mb_emit_ldarg (mb, 0);
3825 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
3826 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3827 mono_mb_emit_byte (mb, CEE_DUP);
3828 mono_mb_emit_stloc (mb, loc_real_proxy);
3830 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoRealProxy, target_domain_id));
3831 mono_mb_emit_byte (mb, CEE_LDIND_I4);
3832 mono_mb_emit_stloc (mb, loc_domainid);
3834 /* Check if the target domain has the same image for the required assembly */
3836 mono_mb_emit_ldloc (mb, loc_domainid);
3837 mono_mb_emit_ptr (mb, method->klass->image);
3838 mono_mb_emit_icall (mb, mono_marshal_check_domain_image);
3839 pos_dispatch = mono_mb_emit_short_branch (mb, CEE_BRTRUE_S);
3841 /* Use the whole remoting sink to dispatch this message */
3843 mono_mb_patch_short_branch (mb, pos);
3845 mono_mb_emit_ldarg (mb, 0);
3846 for (i = 0; i < sig->param_count; i++)
3847 mono_mb_emit_ldarg (mb, i + 1);
3849 mono_mb_emit_managed_call (mb, mono_marshal_get_remoting_invoke (method), NULL);
3850 mono_mb_emit_byte (mb, CEE_RET);
3851 mono_mb_patch_short_branch (mb, pos_dispatch);
3853 /* Create the array that will hold the parameters to be serialized */
3855 if (complex_count > 0) {
3856 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 */
3857 mono_mb_emit_op (mb, CEE_NEWARR, mono_defaults.object_class);
3860 for (i = 0; i < sig->param_count; i++) {
3862 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE) continue;
3863 pclass = mono_class_from_mono_type (sig->params[i]);
3864 mono_mb_emit_byte (mb, CEE_DUP);
3865 mono_mb_emit_icon (mb, j);
3866 mono_mb_emit_ldarg (mb, i + 1); /* 0=this */
3867 if (sig->params[i]->byref) {
3868 if (pclass->valuetype)
3869 mono_mb_emit_op (mb, CEE_LDOBJ, pclass);
3871 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3873 if (pclass->valuetype)
3874 mono_mb_emit_op (mb, CEE_BOX, pclass);
3875 mono_mb_emit_byte (mb, CEE_STELEM_REF);
3878 mono_mb_emit_stloc (mb, loc_array);
3880 /* Serialize parameters */
3882 mono_mb_emit_ldloc (mb, loc_array);
3883 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3884 mono_mb_emit_stloc (mb, loc_serialized_data);
3886 mono_mb_emit_byte (mb, CEE_LDNULL);
3887 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3888 mono_mb_emit_stloc (mb, loc_serialized_data);
3893 mono_mb_emit_ldloc (mb, loc_domainid);
3894 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
3895 mono_marshal_emit_switch_domain (mb);
3896 mono_mb_emit_stloc (mb, loc_old_domainid);
3898 /* Load the arguments */
3900 mono_mb_emit_ldloc (mb, loc_real_proxy);
3901 mono_mb_emit_ldloc_addr (mb, loc_serialized_data);
3902 mono_mb_emit_ldloc_addr (mb, loc_serialized_exc);
3904 copy_locals_base = mb->locals;
3905 for (i = 0; i < sig->param_count; i++) {
3906 switch (marshal_types [i]) {
3907 case MONO_MARSHAL_SERIALIZE:
3909 case MONO_MARSHAL_COPY: {
3910 mono_mb_emit_ldarg (mb, i+1);
3911 if (sig->params [i]->byref) {
3912 /* make a local copy of the byref parameter. The real parameter
3913 * will be updated after the xdomain call
3915 MonoClass *pclass = mono_class_from_mono_type (sig->params [i]);
3916 int copy_local = mono_mb_add_local (mb, &(pclass->byval_arg));
3917 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3918 mono_mb_emit_stloc (mb, copy_local);
3919 mono_mb_emit_ldloc_addr (mb, copy_local);
3923 case MONO_MARSHAL_COPY_OUT:
3924 case MONO_MARSHAL_NONE:
3925 mono_mb_emit_ldarg (mb, i+1);
3930 /* Make the call to the invoke wrapper in the target domain */
3932 xdomain_method = mono_marshal_get_xappdomain_dispatch (method, marshal_types, complex_count, complex_out_count, ret_marshal_type);
3933 mono_marshal_emit_load_domain_method (mb, xdomain_method);
3934 mono_mb_emit_calli (mb, mono_method_signature (xdomain_method));
3937 mono_mb_emit_stloc (mb, loc_return);
3941 mono_mb_emit_ldloc (mb, loc_old_domainid);
3942 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
3943 mono_marshal_emit_switch_domain (mb);
3944 mono_mb_emit_byte (mb, CEE_POP);
3946 /* Restore thread domain data */
3948 mono_mb_emit_ldloc (mb, loc_context);
3949 mono_mb_emit_icall (mb, mono_context_set);
3951 /* if (loc_serialized_exc != null) ... */
3953 mono_mb_emit_ldloc (mb, loc_serialized_exc);
3954 pos_noex = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
3956 mono_mb_emit_ldloc (mb, loc_serialized_exc);
3957 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
3958 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
3959 mono_mb_emit_op (mb, CEE_CASTCLASS, mono_defaults.exception_class);
3960 mono_mb_emit_managed_call (mb, method_exc_fixexc, NULL);
3961 mono_mb_emit_byte (mb, CEE_THROW);
3962 mono_mb_patch_short_branch (mb, pos_noex);
3964 /* copy back non-serialized output parameters */
3967 for (i = 0; i < sig->param_count; i++) {
3968 if (!sig->params [i]->byref || marshal_types [i] != MONO_MARSHAL_COPY) continue;
3969 mono_mb_emit_ldarg (mb, i + 1);
3970 mono_mb_emit_ldloc (mb, copy_locals_base + (j++));
3971 mono_marshal_emit_xdomain_copy_value (mb, mono_class_from_mono_type (sig->params [i]));
3972 mono_mb_emit_byte (mb, CEE_STIND_REF);
3975 /* Deserialize out parameters */
3977 if (complex_out_count > 0) {
3978 mono_mb_emit_ldloc (mb, loc_serialized_data);
3979 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
3980 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
3981 mono_mb_emit_stloc (mb, loc_array);
3983 /* Copy back output parameters and return type */
3986 for (i = 0; i < sig->param_count; i++) {
3987 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE) continue;
3988 if (sig->params[i]->byref) {
3989 MonoClass *pclass = mono_class_from_mono_type (sig->params [i]);
3990 mono_mb_emit_ldarg (mb, i + 1);
3991 mono_mb_emit_ldloc (mb, loc_array);
3992 mono_mb_emit_icon (mb, j);
3993 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3994 if (pclass->valuetype) {
3995 mono_mb_emit_op (mb, CEE_UNBOX, pclass);
3996 mono_mb_emit_op (mb, CEE_LDOBJ, pclass);
3997 mono_mb_emit_op (mb, CEE_STOBJ, pclass);
3999 if (pclass != mono_defaults.object_class)
4000 mono_mb_emit_op (mb, CEE_CASTCLASS, pclass);
4001 mono_mb_emit_byte (mb, CEE_STIND_REF);
4007 if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
4008 mono_mb_emit_ldloc (mb, loc_array);
4009 mono_mb_emit_icon (mb, complex_count);
4010 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
4011 if (ret_class->valuetype) {
4012 mono_mb_emit_op (mb, CEE_UNBOX, ret_class);
4013 mono_mb_emit_op (mb, CEE_LDOBJ, ret_class);
4016 } else if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
4017 mono_mb_emit_ldloc (mb, loc_serialized_data);
4018 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
4019 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
4020 if (ret_class->valuetype) {
4021 mono_mb_emit_op (mb, CEE_UNBOX, ret_class);
4022 mono_mb_emit_op (mb, CEE_LDOBJ, ret_class);
4023 } else if (ret_class != mono_defaults.object_class) {
4024 mono_mb_emit_op (mb, CEE_CASTCLASS, ret_class);
4027 mono_mb_emit_ldloc (mb, loc_serialized_data);
4028 mono_mb_emit_byte (mb, CEE_DUP);
4029 pos = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
4030 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
4032 mono_mb_patch_short_branch (mb, pos);
4033 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
4034 mono_mb_emit_byte (mb, CEE_POP);
4038 mono_mb_emit_ldloc (mb, loc_return);
4039 if (ret_marshal_type == MONO_MARSHAL_COPY)
4040 mono_marshal_emit_xdomain_copy_value (mb, ret_class);
4043 mono_mb_emit_byte (mb, CEE_RET);
4044 #endif /* DISABLE_JIT */
4046 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16);
4053 mono_marshal_get_remoting_invoke_for_target (MonoMethod *method, MonoRemotingTarget target_type)
4055 if (target_type == MONO_REMOTING_TARGET_APPDOMAIN) {
4056 return mono_marshal_get_xappdomain_invoke (method);
4057 } else if (target_type == MONO_REMOTING_TARGET_COMINTEROP) {
4059 return mono_cominterop_get_invoke (method);
4061 g_assert_not_reached ();
4064 return mono_marshal_get_remoting_invoke (method);
4070 G_GNUC_UNUSED static gpointer
4071 mono_marshal_load_remoting_wrapper (MonoRealProxy *rp, MonoMethod *method)
4073 if (rp->target_domain_id != -1)
4074 return mono_compile_method (mono_marshal_get_xappdomain_invoke (method));
4076 return mono_compile_method (mono_marshal_get_remoting_invoke (method));
4080 mono_marshal_get_remoting_invoke_with_check (MonoMethod *method)
4082 MonoMethodSignature *sig;
4083 MonoMethodBuilder *mb;
4084 MonoMethod *res, *native;
4085 int i, pos, pos_rem;
4089 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK)
4092 /* we cant remote methods without this pointer */
4093 g_assert (mono_method_signature (method)->hasthis);
4095 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK)))
4098 sig = mono_signature_no_pinvoke (method);
4100 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK);
4103 for (i = 0; i <= sig->param_count; i++)
4104 mono_mb_emit_ldarg (mb, i);
4106 mono_mb_emit_ldarg (mb, 0);
4107 pos = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
4109 if (mono_marshal_supports_fast_xdomain (method)) {
4110 mono_mb_emit_ldarg (mb, 0);
4111 pos_rem = mono_mb_emit_xdomain_check (mb, CEE_BEQ);
4113 /* wrapper for cross app domain calls */
4114 native = mono_marshal_get_xappdomain_invoke (method);
4115 mono_mb_emit_managed_call (mb, native, mono_method_signature (native));
4116 mono_mb_emit_byte (mb, CEE_RET);
4118 mono_mb_patch_branch (mb, pos_rem);
4120 /* wrapper for normal remote calls */
4121 native = mono_marshal_get_remoting_invoke (method);
4122 mono_mb_emit_managed_call (mb, native, mono_method_signature (native));
4123 mono_mb_emit_byte (mb, CEE_RET);
4126 mono_mb_patch_branch (mb, pos);
4127 mono_mb_emit_managed_call (mb, method, mono_method_signature (method));
4128 mono_mb_emit_byte (mb, CEE_RET);
4131 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16);
4137 #endif /* DISABLE_REMOTING */
4141 MonoMethodSignature *sig;
4143 } SignatureMethodPair;
4146 signature_method_pair_hash (gconstpointer data)
4148 SignatureMethodPair *pair = (SignatureMethodPair*)data;
4150 return mono_signature_hash (pair->sig) ^ mono_aligned_addr_hash (pair->method);
4154 signature_method_pair_equal (SignatureMethodPair *pair1, SignatureMethodPair *pair2)
4156 return mono_metadata_signature_equal (pair1->sig, pair2->sig) && (pair1->method == pair2->method);
4160 signature_method_pair_matches_method (gpointer key, gpointer value, gpointer user_data)
4162 SignatureMethodPair *pair = (SignatureMethodPair*)key;
4163 MonoMethod *method = (MonoMethod*)user_data;
4165 return pair->method == method;
4169 free_signature_method_pair (SignatureMethodPair *pair)
4175 * the returned method invokes all methods in a multicast delegate.
4178 mono_marshal_get_delegate_invoke (MonoMethod *method, MonoDelegate *del)
4180 MonoMethodSignature *sig, *static_sig, *invoke_sig;
4182 MonoMethodBuilder *mb;
4183 MonoMethod *res, *newm;
4185 SignatureMethodPair key;
4186 SignatureMethodPair *new_key;
4187 int local_prev, local_target;
4190 MonoMethod *target_method = NULL;
4191 MonoClass *target_class = NULL;
4192 gboolean callvirt = FALSE;
4193 gboolean closed_over_null = FALSE;
4194 gboolean static_method_with_first_arg_bound = FALSE;
4195 MonoGenericContext *ctx = NULL;
4196 MonoGenericContainer *container = NULL;
4197 MonoMethod *orig_method = NULL;
4201 * If the delegate target is null, and the target method is not static, a virtual
4202 * call is made to that method with the first delegate argument as this. This is
4203 * a non-documented .NET feature.
4205 if (del && !del->target && del->method && mono_method_signature (del->method)->hasthis) {
4207 target_method = del->method;
4208 if (target_method->is_inflated) {
4209 MonoType *target_type;
4211 g_assert (method->signature->hasthis);
4212 target_type = mono_class_inflate_generic_type (method->signature->params [0],
4213 mono_method_get_context (method));
4214 target_class = mono_class_from_mono_type (target_type);
4216 target_class = del->method->klass;
4220 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
4221 !strcmp (method->name, "Invoke"));
4223 invoke_sig = sig = mono_signature_no_pinvoke (method);
4226 closed_over_null = sig->param_count == mono_method_signature (del->method)->param_count;
4228 if (del && del->method && mono_method_signature (del->method)->param_count == sig->param_count + 1 && (del->method->flags & METHOD_ATTRIBUTE_STATIC)) {
4229 g_assert (!callvirt);
4230 invoke_sig = mono_method_signature (del->method);
4231 target_method = NULL;
4232 static_method_with_first_arg_bound = TRUE;
4236 * For generic delegates, create a generic wrapper, and returns an instance to help AOT.
4238 if (method->is_inflated && !callvirt && !static_method_with_first_arg_bound) {
4239 orig_method = method;
4240 ctx = &((MonoMethodInflated*)method)->context;
4241 method = ((MonoMethodInflated*)method)->declaring;
4243 container = mono_method_get_generic_container (method);
4245 container = method->klass->generic_container;
4246 g_assert (container);
4248 invoke_sig = sig = mono_signature_no_pinvoke (method);
4255 cache = get_cache (&method->klass->image->delegate_invoke_generic_cache, mono_aligned_addr_hash, NULL);
4256 res = check_generic_delegate_wrapper_cache (cache, orig_method, method, ctx);
4259 } else if (static_method_with_first_arg_bound) {
4260 cache = get_cache (&method->klass->image->delegate_bound_static_invoke_cache,
4261 (GHashFunc)mono_signature_hash,
4262 (GCompareFunc)mono_metadata_signature_equal);
4264 * The wrapper is based on sig+invoke_sig, but sig can be derived from invoke_sig.
4266 res = mono_marshal_find_in_cache (cache, invoke_sig);
4269 } else if (callvirt) {
4270 GHashTable **cache_ptr;
4272 cache_ptr = &method->klass->image->delegate_abstract_invoke_cache;
4274 /* We need to cache the signature+method pair */
4275 mono_marshal_lock ();
4277 *cache_ptr = g_hash_table_new_full (signature_method_pair_hash, (GEqualFunc)signature_method_pair_equal, (GDestroyNotify)free_signature_method_pair, NULL);
4279 key.sig = invoke_sig;
4280 key.method = target_method;
4281 res = g_hash_table_lookup (cache, &key);
4282 mono_marshal_unlock ();
4286 cache = get_cache (&method->klass->image->delegate_invoke_cache,
4287 (GHashFunc)mono_signature_hash,
4288 (GCompareFunc)mono_metadata_signature_equal);
4289 res = mono_marshal_find_in_cache (cache, sig);
4294 static_sig = signature_dup (method->klass->image, sig);
4295 static_sig->hasthis = 0;
4296 if (!static_method_with_first_arg_bound)
4297 invoke_sig = static_sig;
4299 if (static_method_with_first_arg_bound)
4300 name = mono_signature_to_name (invoke_sig, "invoke_bound");
4301 else if (closed_over_null)
4302 name = mono_signature_to_name (invoke_sig, "invoke_closed_over_null");
4304 name = mono_signature_to_name (invoke_sig, "invoke_callvirt");
4306 name = mono_signature_to_name (sig, "invoke");
4308 mb = mono_mb_new (method->klass, name, MONO_WRAPPER_DELEGATE_INVOKE);
4310 mb = mono_mb_new (get_wrapper_target_class (method->klass->image), name, MONO_WRAPPER_DELEGATE_INVOKE);
4314 /* allocate local 0 (object) */
4315 local_target = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4316 local_prev = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4318 g_assert (sig->hasthis);
4322 * prev.Invoke( args .. );
4323 * return this.<target>( args .. );
4326 /* this wrapper can be used in unmanaged-managed transitions */
4327 emit_thread_interrupt_checkpoint (mb);
4329 /* get this->prev */
4330 mono_mb_emit_ldarg (mb, 0);
4331 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoMulticastDelegate, prev));
4332 mono_mb_emit_byte (mb, CEE_LDIND_REF);
4333 mono_mb_emit_stloc (mb, local_prev);
4334 mono_mb_emit_ldloc (mb, local_prev);
4336 /* if prev != null */
4337 pos0 = mono_mb_emit_branch (mb, CEE_BRFALSE);
4341 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4342 mono_mb_emit_byte (mb, CEE_MONO_NOT_TAKEN);
4344 mono_mb_emit_ldloc (mb, local_prev);
4345 for (i = 0; i < sig->param_count; i++)
4346 mono_mb_emit_ldarg (mb, i + 1);
4348 mono_mb_emit_op (mb, CEE_CALLVIRT, mono_class_inflate_generic_method (method, &container->context));
4350 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
4351 if (sig->ret->type != MONO_TYPE_VOID)
4352 mono_mb_emit_byte (mb, CEE_POP);
4354 /* continued or prev == null */
4355 mono_mb_patch_branch (mb, pos0);
4357 /* get this->target */
4358 mono_mb_emit_ldarg (mb, 0);
4359 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, target));
4360 mono_mb_emit_byte (mb, CEE_LDIND_REF);
4361 mono_mb_emit_stloc (mb, local_target);
4363 /*static methods with bound first arg can have null target and still be bound*/
4364 if (!static_method_with_first_arg_bound) {
4365 /* if target != null */
4366 mono_mb_emit_ldloc (mb, local_target);
4367 pos0 = mono_mb_emit_branch (mb, CEE_BRFALSE);
4369 /* then call this->method_ptr nonstatic */
4372 mono_mb_emit_exception_full (mb, "System", "NotImplementedException", "");
4374 mono_mb_emit_ldloc (mb, local_target);
4375 for (i = 0; i < sig->param_count; ++i)
4376 mono_mb_emit_ldarg (mb, i + 1);
4377 mono_mb_emit_ldarg (mb, 0);
4378 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, method_ptr));
4379 mono_mb_emit_byte (mb, CEE_LDIND_I );
4380 mono_mb_emit_op (mb, CEE_CALLI, sig);
4382 mono_mb_emit_byte (mb, CEE_RET);
4385 /* else [target == null] call this->method_ptr static */
4386 mono_mb_patch_branch (mb, pos0);
4390 if (!closed_over_null) {
4391 mono_mb_emit_ldarg (mb, 1);
4392 mono_mb_emit_op (mb, CEE_CASTCLASS, target_class);
4393 for (i = 1; i < sig->param_count; ++i)
4394 mono_mb_emit_ldarg (mb, i + 1);
4395 mono_mb_emit_op (mb, CEE_CALLVIRT, target_method);
4397 mono_mb_emit_byte (mb, CEE_LDNULL);
4398 for (i = 0; i < sig->param_count; ++i)
4399 mono_mb_emit_ldarg (mb, i + 1);
4400 mono_mb_emit_op (mb, CEE_CALL, target_method);
4403 if (static_method_with_first_arg_bound) {
4404 mono_mb_emit_ldloc (mb, local_target);
4405 if (!MONO_TYPE_IS_REFERENCE (invoke_sig->params[0]))
4406 mono_mb_emit_op (mb, CEE_UNBOX_ANY, mono_class_from_mono_type (invoke_sig->params[0]));
4408 for (i = 0; i < sig->param_count; ++i)
4409 mono_mb_emit_ldarg (mb, i + 1);
4410 mono_mb_emit_ldarg (mb, 0);
4411 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, method_ptr));
4412 mono_mb_emit_byte (mb, CEE_LDIND_I );
4413 mono_mb_emit_op (mb, CEE_CALLI, invoke_sig);
4416 mono_mb_emit_byte (mb, CEE_RET);
4418 mb->skip_visibility = 1;
4419 #endif /* DISABLE_JIT */
4424 def = mono_mb_create_and_cache (cache, method->klass, mb, sig, sig->param_count + 16);
4425 res = cache_generic_delegate_wrapper (cache, orig_method, def, ctx);
4426 } else if (static_method_with_first_arg_bound) {
4427 res = mono_mb_create_and_cache (cache, invoke_sig, mb, sig, sig->param_count + 16);
4429 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_DELEGATE_INVOKE_BOUND);
4430 mono_marshal_set_wrapper_info (res, info);
4431 } else if (callvirt) {
4432 // From mono_mb_create_and_cache
4433 newm = mono_mb_create_method (mb, sig, sig->param_count + 16);
4434 /*We perform double checked locking, so must fence before publishing*/
4435 mono_memory_barrier ();
4436 mono_marshal_lock ();
4437 res = g_hash_table_lookup (cache, &key);
4440 new_key = g_new0 (SignatureMethodPair, 1);
4442 if (static_method_with_first_arg_bound)
4443 new_key->sig = signature_dup (del->method->klass->image, key.sig);
4444 g_hash_table_insert (cache, new_key, res);
4446 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_DELEGATE_INVOKE_VIRTUAL);
4447 mono_marshal_set_wrapper_info (res, info);
4449 mono_marshal_unlock ();
4451 mono_marshal_unlock ();
4452 mono_free_method (newm);
4455 res = mono_mb_create_and_cache (cache, sig, mb, sig, sig->param_count + 16);
4457 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_NONE);
4458 mono_marshal_set_wrapper_info (res, info);
4466 * signature_dup_add_this:
4468 * Make a copy of @sig, adding an explicit this argument.
4470 static MonoMethodSignature*
4471 signature_dup_add_this (MonoImage *image, MonoMethodSignature *sig, MonoClass *klass)
4473 MonoMethodSignature *res;
4476 res = mono_metadata_signature_alloc (image, sig->param_count + 1);
4477 memcpy (res, sig, MONO_SIZEOF_METHOD_SIGNATURE);
4478 res->param_count = sig->param_count + 1;
4479 res->hasthis = FALSE;
4480 for (i = sig->param_count - 1; i >= 0; i --)
4481 res->params [i + 1] = sig->params [i];
4482 res->params [0] = klass->valuetype ? &klass->this_arg : &klass->byval_arg;
4488 MonoMethodSignature *ctor_sig;
4489 MonoMethodSignature *sig;
4492 /* protected by the marshal lock, contains CtorSigPair pointers */
4493 static GSList *strsig_list = NULL;
4495 static MonoMethodSignature *
4496 lookup_string_ctor_signature (MonoMethodSignature *sig)
4498 MonoMethodSignature *callsig;
4502 mono_marshal_lock ();
4504 for (item = strsig_list; item; item = item->next) {
4506 /* mono_metadata_signature_equal () is safe to call with the marshal lock
4507 * because it is lock-free.
4509 if (mono_metadata_signature_equal (sig, cs->ctor_sig)) {
4514 mono_marshal_unlock ();
4518 static MonoMethodSignature *
4519 add_string_ctor_signature (MonoMethod *method)
4521 MonoMethodSignature *callsig;
4524 callsig = signature_dup (method->klass->image, mono_method_signature (method));
4525 callsig->ret = &mono_defaults.string_class->byval_arg;
4526 cs = g_new (CtorSigPair, 1);
4528 cs->ctor_sig = mono_method_signature (method);
4530 mono_marshal_lock ();
4531 strsig_list = g_slist_prepend (strsig_list, cs);
4532 mono_marshal_unlock ();
4537 * mono_marshal_get_string_ctor_signature:
4539 * Return the modified signature used by string ctors (they return the newly created
4542 MonoMethodSignature*
4543 mono_marshal_get_string_ctor_signature (MonoMethod *method)
4545 MonoMethodSignature *sig = lookup_string_ctor_signature (mono_method_signature (method));
4547 sig = add_string_ctor_signature (method);
4553 get_runtime_invoke_type (MonoType *t, gboolean ret)
4556 if (t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t)))
4558 /* Can't share this with 'I' as that needs another indirection */
4559 return &mono_defaults.int_class->this_arg;
4562 if (MONO_TYPE_IS_REFERENCE (t))
4563 return &mono_defaults.object_class->byval_arg;
4566 /* The result needs to be boxed */
4571 /* Can't share these as the argument needs to be loaded using sign/zero extension */
4574 return &mono_defaults.sbyte_class->byval_arg;
4576 return &mono_defaults.int16_class->byval_arg;
4578 return &mono_defaults.int32_class->byval_arg;
4581 return &mono_defaults.int64_class->byval_arg;
4582 case MONO_TYPE_BOOLEAN:
4583 return &mono_defaults.byte_class->byval_arg;
4584 case MONO_TYPE_CHAR:
4585 return &mono_defaults.uint16_class->byval_arg;
4588 return &mono_defaults.int_class->byval_arg;
4589 case MONO_TYPE_VALUETYPE:
4590 if (t->data.klass->enumtype) {
4591 t = mono_class_enum_basetype (t->data.klass);
4601 * mono_marshal_get_runtime_invoke_sig:
4603 * Return a common signature used for sharing runtime invoke wrappers.
4605 static MonoMethodSignature*
4606 mono_marshal_get_runtime_invoke_sig (MonoMethodSignature *sig)
4608 MonoMethodSignature *res = mono_metadata_signature_dup (sig);
4611 res->ret = get_runtime_invoke_type (sig->ret, TRUE);
4612 for (i = 0; i < res->param_count; ++i)
4613 res->params [i] = get_runtime_invoke_type (sig->params [i], FALSE);
4619 runtime_invoke_signature_equal (MonoMethodSignature *sig1, MonoMethodSignature *sig2)
4621 /* Can't share wrappers which return a vtype since it needs to be boxed */
4622 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))
4625 return mono_metadata_signature_equal (sig1, sig2);
4633 * Emit the call to the wrapper method from a runtime invoke wrapper.
4636 emit_invoke_call (MonoMethodBuilder *mb, MonoMethod *method,
4637 MonoMethodSignature *sig, MonoMethodSignature *callsig,
4639 gboolean virtual, gboolean need_direct_wrapper)
4641 static MonoString *string_dummy = NULL;
4643 int *tmp_nullable_locals;
4644 gboolean void_ret = FALSE;
4646 /* to make it work with our special string constructors */
4647 if (!string_dummy) {
4648 MONO_GC_REGISTER_ROOT_SINGLE (string_dummy);
4649 string_dummy = mono_string_new_wrapper ("dummy");
4653 g_assert (sig->hasthis);
4654 g_assert (method->flags & METHOD_ATTRIBUTE_VIRTUAL);
4658 if (method->string_ctor) {
4659 if (mono_gc_is_moving ()) {
4660 mono_mb_emit_ptr (mb, &string_dummy);
4661 mono_mb_emit_byte (mb, CEE_LDIND_REF);
4663 mono_mb_emit_ptr (mb, string_dummy);
4666 mono_mb_emit_ldarg (mb, 0);
4670 tmp_nullable_locals = g_new0 (int, sig->param_count);
4672 for (i = 0; i < sig->param_count; i++) {
4673 MonoType *t = sig->params [i];
4676 mono_mb_emit_ldarg (mb, 1);
4678 mono_mb_emit_icon (mb, sizeof (gpointer) * i);
4679 mono_mb_emit_byte (mb, CEE_ADD);
4683 mono_mb_emit_byte (mb, CEE_LDIND_I);
4684 /* A Nullable<T> type don't have a boxed form, it's either null or a boxed T.
4685 * So to make this work we unbox it to a local variablee and push a reference to that.
4687 if (t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t))) {
4688 tmp_nullable_locals [i] = mono_mb_add_local (mb, &mono_class_from_mono_type (t)->byval_arg);
4690 mono_mb_emit_op (mb, CEE_UNBOX_ANY, mono_class_from_mono_type (t));
4691 mono_mb_emit_stloc (mb, tmp_nullable_locals [i]);
4692 mono_mb_emit_ldloc_addr (mb, tmp_nullable_locals [i]);
4697 /*FIXME 'this doesn't handle generic enums. Shouldn't we?*/
4698 type = sig->params [i]->type;
4702 case MONO_TYPE_BOOLEAN:
4706 case MONO_TYPE_CHAR:
4715 mono_mb_emit_byte (mb, CEE_LDIND_I);
4716 mono_mb_emit_byte (mb, mono_type_to_ldind (sig->params [i]));
4718 case MONO_TYPE_STRING:
4719 case MONO_TYPE_CLASS:
4720 case MONO_TYPE_ARRAY:
4722 case MONO_TYPE_SZARRAY:
4723 case MONO_TYPE_OBJECT:
4724 mono_mb_emit_byte (mb, mono_type_to_ldind (sig->params [i]));
4726 case MONO_TYPE_GENERICINST:
4727 if (!mono_type_generic_inst_is_valuetype (sig->params [i])) {
4728 mono_mb_emit_byte (mb, mono_type_to_ldind (sig->params [i]));
4733 case MONO_TYPE_VALUETYPE:
4734 if (type == MONO_TYPE_VALUETYPE && t->data.klass->enumtype) {
4735 type = mono_class_enum_basetype (t->data.klass)->type;
4738 mono_mb_emit_byte (mb, CEE_LDIND_I);
4739 if (mono_class_is_nullable (mono_class_from_mono_type (sig->params [i]))) {
4740 /* Need to convert a boxed vtype to an mp to a Nullable struct */
4741 mono_mb_emit_op (mb, CEE_UNBOX, mono_class_from_mono_type (sig->params [i]));
4742 mono_mb_emit_op (mb, CEE_LDOBJ, mono_class_from_mono_type (sig->params [i]));
4744 mono_mb_emit_op (mb, CEE_LDOBJ, mono_class_from_mono_type (sig->params [i]));
4748 g_assert_not_reached ();
4753 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
4754 } else if (need_direct_wrapper) {
4755 mono_mb_emit_op (mb, CEE_CALL, method);
4757 mono_mb_emit_ldarg (mb, 3);
4758 mono_mb_emit_calli (mb, callsig);
4761 if (sig->ret->byref) {
4763 g_assert_not_reached ();
4766 switch (sig->ret->type) {
4767 case MONO_TYPE_VOID:
4768 if (!method->string_ctor)
4771 case MONO_TYPE_BOOLEAN:
4772 case MONO_TYPE_CHAR:
4785 case MONO_TYPE_VALUETYPE:
4786 case MONO_TYPE_TYPEDBYREF:
4787 case MONO_TYPE_GENERICINST:
4788 /* box value types */
4789 mono_mb_emit_op (mb, CEE_BOX, mono_class_from_mono_type (sig->ret));
4791 case MONO_TYPE_STRING:
4792 case MONO_TYPE_CLASS:
4793 case MONO_TYPE_ARRAY:
4794 case MONO_TYPE_SZARRAY:
4795 case MONO_TYPE_OBJECT:
4799 /* The result is an IntPtr */
4800 mono_mb_emit_op (mb, CEE_BOX, mono_defaults.int_class);
4803 g_assert_not_reached ();
4807 mono_mb_emit_stloc (mb, loc_res);
4809 /* Convert back nullable-byref arguments */
4810 for (i = 0; i < sig->param_count; i++) {
4811 MonoType *t = sig->params [i];
4814 * Box the result and put it back into the array, the caller will have
4815 * to obtain it from there.
4817 if (t->byref && t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t))) {
4818 mono_mb_emit_ldarg (mb, 1);
4819 mono_mb_emit_icon (mb, sizeof (gpointer) * i);
4820 mono_mb_emit_byte (mb, CEE_ADD);
4822 mono_mb_emit_ldloc (mb, tmp_nullable_locals [i]);
4823 mono_mb_emit_op (mb, CEE_BOX, mono_class_from_mono_type (t));
4825 mono_mb_emit_byte (mb, CEE_STIND_REF);
4829 g_free (tmp_nullable_locals);
4833 emit_runtime_invoke_body (MonoMethodBuilder *mb, MonoClass *target_klass, MonoMethod *method,
4834 MonoMethodSignature *sig, MonoMethodSignature *callsig,
4835 gboolean virtual, gboolean need_direct_wrapper)
4838 MonoExceptionClause *clause;
4839 int loc_res, loc_exc;
4841 /* The wrapper looks like this:
4847 * } catch (Exception e) {
4855 /* allocate local 0 (object) tmp */
4856 loc_res = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4857 /* allocate local 1 (object) exc */
4858 loc_exc = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4860 /* *exc is assumed to be initialized to NULL by the caller */
4862 mono_mb_emit_byte (mb, CEE_LDARG_2);
4863 labels [0] = mono_mb_emit_branch (mb, CEE_BRFALSE);
4868 labels [1] = mono_mb_get_label (mb);
4869 emit_thread_force_interrupt_checkpoint (mb);
4870 emit_invoke_call (mb, method, sig, callsig, loc_res, virtual, need_direct_wrapper);
4872 labels [2] = mono_mb_emit_branch (mb, CEE_LEAVE);
4874 /* Add a try clause around the call */
4875 clause = mono_image_alloc0 (target_klass->image, sizeof (MonoExceptionClause));
4876 clause->flags = MONO_EXCEPTION_CLAUSE_NONE;
4877 clause->data.catch_class = mono_defaults.exception_class;
4878 clause->try_offset = labels [1];
4879 clause->try_len = mono_mb_get_label (mb) - labels [1];
4881 clause->handler_offset = mono_mb_get_label (mb);
4884 mono_mb_emit_stloc (mb, loc_exc);
4885 mono_mb_emit_byte (mb, CEE_LDARG_2);
4886 mono_mb_emit_ldloc (mb, loc_exc);
4887 mono_mb_emit_byte (mb, CEE_STIND_REF);
4889 mono_mb_emit_branch (mb, CEE_LEAVE);
4891 clause->handler_len = mono_mb_get_pos (mb) - clause->handler_offset;
4893 mono_mb_set_clauses (mb, 1, clause);
4895 mono_mb_patch_branch (mb, labels [2]);
4896 mono_mb_emit_ldloc (mb, loc_res);
4897 mono_mb_emit_byte (mb, CEE_RET);
4902 mono_mb_patch_branch (mb, labels [0]);
4903 emit_thread_force_interrupt_checkpoint (mb);
4904 emit_invoke_call (mb, method, sig, callsig, loc_res, virtual, need_direct_wrapper);
4906 mono_mb_emit_ldloc (mb, 0);
4907 mono_mb_emit_byte (mb, CEE_RET);
4912 * generates IL code for the runtime invoke function
4913 * MonoObject *runtime_invoke (MonoObject *this, void **params, MonoObject **exc, void* method)
4915 * we also catch exceptions if exc != null
4916 * If VIRTUAL is TRUE, then METHOD is invoked virtually on THIS. This is useful since
4917 * it means that the compiled code for METHOD does not have to be looked up
4918 * before calling the runtime invoke wrapper. In this case, the wrapper ignores
4919 * its METHOD argument.
4922 mono_marshal_get_runtime_invoke (MonoMethod *method, gboolean virtual)
4924 MonoMethodSignature *sig, *csig, *callsig;
4925 MonoMethodBuilder *mb;
4926 GHashTable *cache = NULL;
4927 MonoClass *target_klass;
4928 MonoMethod *res = NULL;
4929 static MonoMethodSignature *cctor_signature = NULL;
4930 static MonoMethodSignature *finalize_signature = NULL;
4932 const char *param_names [16];
4933 gboolean need_direct_wrapper = FALSE;
4938 if (!cctor_signature) {
4939 cctor_signature = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
4940 cctor_signature->ret = &mono_defaults.void_class->byval_arg;
4942 if (!finalize_signature) {
4943 finalize_signature = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
4944 finalize_signature->ret = &mono_defaults.void_class->byval_arg;
4945 finalize_signature->hasthis = 1;
4949 need_direct_wrapper = TRUE;
4952 * Use a separate cache indexed by methods to speed things up and to avoid the
4953 * boundless mempool growth caused by the signature_dup stuff below.
4956 cache = get_cache (&method->klass->image->runtime_invoke_vcall_cache, mono_aligned_addr_hash, NULL);
4958 cache = get_cache (&method->klass->image->runtime_invoke_direct_cache, mono_aligned_addr_hash, NULL);
4959 res = mono_marshal_find_in_cache (cache, method);
4963 if (method->klass->rank && (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
4964 (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)) {
4966 * Array Get/Set/Address methods. The JIT implements them using inline code
4967 * so we need to create an invoke wrapper which calls the method directly.
4969 need_direct_wrapper = TRUE;
4972 if (method->string_ctor) {
4973 callsig = lookup_string_ctor_signature (mono_method_signature (method));
4975 callsig = add_string_ctor_signature (method);
4976 /* Can't share this as we push a string as this */
4977 need_direct_wrapper = TRUE;
4979 if (method->dynamic)
4980 callsig = signature_dup (method->klass->image, mono_method_signature (method));
4982 callsig = mono_method_signature (method);
4985 target_klass = get_wrapper_target_class (method->klass->image);
4987 /* Try to share wrappers for non-corlib methods with simple signatures */
4988 if (mono_metadata_signature_equal (callsig, cctor_signature)) {
4989 callsig = cctor_signature;
4990 target_klass = mono_defaults.object_class;
4991 } else if (mono_metadata_signature_equal (callsig, finalize_signature)) {
4992 callsig = finalize_signature;
4993 target_klass = mono_defaults.object_class;
4996 if (need_direct_wrapper) {
4997 /* Already searched at the start */
4999 MonoMethodSignature *tmp_sig;
5001 callsig = mono_marshal_get_runtime_invoke_sig (callsig);
5003 if (method->klass->valuetype && mono_method_signature (method)->hasthis)
5004 /* These have a different csig */
5005 cache = get_cache (&target_klass->image->runtime_invoke_vtype_cache,
5006 (GHashFunc)mono_signature_hash,
5007 (GCompareFunc)runtime_invoke_signature_equal);
5009 cache = get_cache (&target_klass->image->runtime_invoke_cache,
5010 (GHashFunc)mono_signature_hash,
5011 (GCompareFunc)runtime_invoke_signature_equal);
5013 /* from mono_marshal_find_in_cache */
5014 mono_marshal_lock ();
5015 res = g_hash_table_lookup (cache, callsig);
5016 mono_marshal_unlock ();
5023 /* Make a copy of the signature from the image mempool */
5025 callsig = mono_metadata_signature_dup_full (target_klass->image, callsig);
5029 sig = mono_method_signature (method);
5031 csig = mono_metadata_signature_alloc (target_klass->image, 4);
5033 csig->ret = &mono_defaults.object_class->byval_arg;
5034 if (method->klass->valuetype && mono_method_signature (method)->hasthis)
5035 csig->params [0] = get_runtime_invoke_type (&method->klass->this_arg, FALSE);
5037 csig->params [0] = &mono_defaults.object_class->byval_arg;
5038 csig->params [1] = &mono_defaults.int_class->byval_arg;
5039 csig->params [2] = &mono_defaults.int_class->byval_arg;
5040 csig->params [3] = &mono_defaults.int_class->byval_arg;
5043 /* This is called from runtime code so it has to be cdecl */
5044 csig->call_convention = MONO_CALL_C;
5047 name = mono_signature_to_name (callsig, virtual ? "runtime_invoke_virtual" : "runtime_invoke");
5048 mb = mono_mb_new (target_klass, name, MONO_WRAPPER_RUNTIME_INVOKE);
5052 param_names [0] = "this";
5053 param_names [1] = "params";
5054 param_names [2] = "exc";
5055 param_names [3] = "method";
5056 mono_mb_set_param_names (mb, param_names);
5058 emit_runtime_invoke_body (mb, target_klass, method, sig, callsig, virtual, need_direct_wrapper);
5061 if (need_direct_wrapper) {
5063 mb->skip_visibility = 1;
5065 res = mono_mb_create_and_cache (cache, method, mb, csig, sig->param_count + 16);
5066 info = mono_wrapper_info_create (res, virtual ? WRAPPER_SUBTYPE_RUNTIME_INVOKE_VIRTUAL : WRAPPER_SUBTYPE_RUNTIME_INVOKE_DIRECT);
5067 info->d.runtime_invoke.method = method;
5068 mono_marshal_set_wrapper_info (res, info);
5070 /* taken from mono_mb_create_and_cache */
5071 mono_marshal_lock ();
5072 res = g_hash_table_lookup (cache, callsig);
5073 mono_marshal_unlock ();
5075 /* Somebody may have created it before us */
5078 newm = mono_mb_create_method (mb, csig, sig->param_count + 16);
5080 mono_marshal_lock ();
5081 res = g_hash_table_lookup (cache, callsig);
5084 g_hash_table_insert (cache, callsig, res);
5085 /* Can't insert it into wrapper_hash since the key is a signature */
5086 g_hash_table_insert (method->klass->image->runtime_invoke_direct_cache, method, res);
5087 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_RUNTIME_INVOKE_NORMAL);
5088 info->d.runtime_invoke.sig = callsig;
5089 mono_marshal_set_wrapper_info (res, info);
5091 mono_free_method (newm);
5093 mono_marshal_unlock ();
5096 /* end mono_mb_create_and_cache */
5105 * mono_marshal_get_runtime_invoke_dynamic:
5107 * Return a method which can be used to invoke managed methods from native code
5109 * The signature of the returned method is given by RuntimeInvokeDynamicFunction:
5110 * void runtime_invoke (void *args, MonoObject **exc, void *compiled_method)
5111 * ARGS should point to an architecture specific structure containing
5112 * the arguments and space for the return value.
5113 * The other arguments are the same as for runtime_invoke (), except that
5114 * ARGS should contain the this argument too.
5115 * This wrapper serves the same purpose as the runtime-invoke wrappers, but there
5116 * is only one copy of it, which is useful in full-aot.
5117 * The wrapper info for the wrapper is a WrapperInfo structure.
5120 mono_marshal_get_runtime_invoke_dynamic (void)
5122 static MonoMethod *method;
5123 MonoMethodSignature *csig;
5124 MonoExceptionClause *clause;
5125 MonoMethodBuilder *mb;
5133 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
5135 csig->ret = &mono_defaults.void_class->byval_arg;
5136 csig->params [0] = &mono_defaults.int_class->byval_arg;
5137 csig->params [1] = &mono_defaults.int_class->byval_arg;
5138 csig->params [2] = &mono_defaults.int_class->byval_arg;
5139 csig->params [3] = &mono_defaults.int_class->byval_arg;
5141 name = g_strdup ("runtime_invoke_dynamic");
5142 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_RUNTIME_INVOKE);
5146 /* allocate local 0 (object) tmp */
5147 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
5148 /* allocate local 1 (object) exc */
5149 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
5151 /* cond set *exc to null */
5152 mono_mb_emit_byte (mb, CEE_LDARG_1);
5153 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
5154 mono_mb_emit_byte (mb, 3);
5155 mono_mb_emit_byte (mb, CEE_LDARG_1);
5156 mono_mb_emit_byte (mb, CEE_LDNULL);
5157 mono_mb_emit_byte (mb, CEE_STIND_REF);
5159 emit_thread_force_interrupt_checkpoint (mb);
5161 mono_mb_emit_byte (mb, CEE_LDARG_0);
5162 mono_mb_emit_byte (mb, CEE_LDARG_2);
5163 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5164 mono_mb_emit_byte (mb, CEE_MONO_DYN_CALL);
5166 pos = mono_mb_emit_branch (mb, CEE_LEAVE);
5168 clause = mono_image_alloc0 (mono_defaults.corlib, sizeof (MonoExceptionClause));
5169 clause->flags = MONO_EXCEPTION_CLAUSE_FILTER;
5170 clause->try_len = mono_mb_get_label (mb);
5173 clause->data.filter_offset = mono_mb_get_label (mb);
5175 mono_mb_emit_byte (mb, CEE_POP);
5176 mono_mb_emit_byte (mb, CEE_LDARG_1);
5177 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
5178 mono_mb_emit_byte (mb, CEE_PREFIX1);
5179 mono_mb_emit_byte (mb, CEE_CGT_UN);
5180 mono_mb_emit_byte (mb, CEE_PREFIX1);
5181 mono_mb_emit_byte (mb, CEE_ENDFILTER);
5183 clause->handler_offset = mono_mb_get_label (mb);
5186 /* store exception */
5187 mono_mb_emit_stloc (mb, 1);
5189 mono_mb_emit_byte (mb, CEE_LDARG_1);
5190 mono_mb_emit_ldloc (mb, 1);
5191 mono_mb_emit_byte (mb, CEE_STIND_REF);
5193 mono_mb_emit_byte (mb, CEE_LDNULL);
5194 mono_mb_emit_stloc (mb, 0);
5196 /* Check for the abort exception */
5197 mono_mb_emit_ldloc (mb, 1);
5198 mono_mb_emit_op (mb, CEE_ISINST, mono_defaults.threadabortexception_class);
5199 posna = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
5201 /* Delay the abort exception */
5202 mono_mb_emit_icall (mb, ves_icall_System_Threading_Thread_ResetAbort);
5204 mono_mb_patch_short_branch (mb, posna);
5205 mono_mb_emit_branch (mb, CEE_LEAVE);
5207 clause->handler_len = mono_mb_get_pos (mb) - clause->handler_offset;
5209 mono_mb_set_clauses (mb, 1, clause);
5212 mono_mb_patch_branch (mb, pos);
5213 //mono_mb_emit_ldloc (mb, 0);
5214 mono_mb_emit_byte (mb, CEE_RET);
5215 #endif /* DISABLE_JIT */
5217 mono_marshal_lock ();
5218 /* double-checked locking */
5220 method = mono_mb_create_method (mb, csig, 16);
5221 info = mono_wrapper_info_create (method, WRAPPER_SUBTYPE_RUNTIME_INVOKE_DYNAMIC);
5222 mono_marshal_set_wrapper_info (method, info);
5224 mono_marshal_unlock ();
5233 mono_mb_emit_auto_layout_exception (MonoMethodBuilder *mb, MonoClass *klass)
5235 char *msg = g_strdup_printf ("The type `%s.%s' layout needs to be Sequential or Explicit",
5236 klass->name_space, klass->name);
5238 mono_mb_emit_exception_marshal_directive (mb, msg);
5242 #ifndef DISABLE_REMOTING
5244 * mono_marshal_get_ldfld_remote_wrapper:
5245 * @klass: The return type
5247 * This method generates a wrapper for calling mono_load_remote_field_new.
5248 * The return type is ignored for now, as mono_load_remote_field_new () always
5249 * returns an object. In the future, to optimize some codepaths, we might
5250 * call a different function that takes a pointer to a valuetype, instead.
5253 mono_marshal_get_ldfld_remote_wrapper (MonoClass *klass)
5255 MonoMethodSignature *sig, *csig;
5256 MonoMethodBuilder *mb;
5258 static MonoMethod* cached = NULL;
5260 mono_marshal_lock ();
5262 mono_marshal_unlock ();
5265 mono_marshal_unlock ();
5267 mb = mono_mb_new_no_dup_name (mono_defaults.object_class, "__mono_load_remote_field_new_wrapper", MONO_WRAPPER_LDFLD_REMOTE);
5269 mb->method->save_lmf = 1;
5271 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
5272 sig->params [0] = &mono_defaults.object_class->byval_arg;
5273 sig->params [1] = &mono_defaults.int_class->byval_arg;
5274 sig->params [2] = &mono_defaults.int_class->byval_arg;
5275 sig->ret = &mono_defaults.object_class->byval_arg;
5278 mono_mb_emit_ldarg (mb, 0);
5279 mono_mb_emit_ldarg (mb, 1);
5280 mono_mb_emit_ldarg (mb, 2);
5282 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
5283 csig->params [0] = &mono_defaults.object_class->byval_arg;
5284 csig->params [1] = &mono_defaults.int_class->byval_arg;
5285 csig->params [2] = &mono_defaults.int_class->byval_arg;
5286 csig->ret = &mono_defaults.object_class->byval_arg;
5289 mono_mb_emit_native_call (mb, csig, mono_load_remote_field_new);
5290 emit_thread_interrupt_checkpoint (mb);
5292 mono_mb_emit_byte (mb, CEE_RET);
5295 mono_marshal_lock ();
5297 mono_marshal_unlock ();
5300 newm = mono_mb_create_method (mb, sig, 4);
5301 mono_marshal_lock ();
5306 mono_marshal_unlock ();
5308 mono_marshal_unlock ();
5309 mono_free_method (newm);
5318 * mono_marshal_get_ldfld_wrapper:
5319 * @type: the type of the field
5321 * This method generates a function which can be use to load a field with type
5322 * @type from an object. The generated function has the following signature:
5323 * <@type> ldfld_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset)
5326 mono_marshal_get_ldfld_wrapper (MonoType *type)
5328 MonoMethodSignature *sig;
5329 MonoMethodBuilder *mb;
5334 int t, pos0, pos1 = 0;
5336 type = mono_type_get_underlying_type (type);
5341 if (type->type == MONO_TYPE_SZARRAY) {
5342 klass = mono_defaults.array_class;
5343 } else if (type->type == MONO_TYPE_VALUETYPE) {
5344 klass = type->data.klass;
5345 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING) {
5346 klass = mono_defaults.object_class;
5347 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
5348 klass = mono_defaults.int_class;
5349 } else if (t == MONO_TYPE_GENERICINST) {
5350 if (mono_type_generic_inst_is_valuetype (type))
5351 klass = mono_class_from_mono_type (type);
5353 klass = mono_defaults.object_class;
5355 klass = mono_class_from_mono_type (type);
5358 klass = mono_defaults.int_class;
5361 cache = get_cache (&klass->image->ldfld_wrapper_cache, mono_aligned_addr_hash, NULL);
5362 if ((res = mono_marshal_find_in_cache (cache, klass)))
5365 /* we add the %p pointer value of klass because class names are not unique */
5366 name = g_strdup_printf ("__ldfld_wrapper_%p_%s.%s", klass, klass->name_space, klass->name);
5367 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_LDFLD);
5370 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
5371 sig->params [0] = &mono_defaults.object_class->byval_arg;
5372 sig->params [1] = &mono_defaults.int_class->byval_arg;
5373 sig->params [2] = &mono_defaults.int_class->byval_arg;
5374 sig->params [3] = &mono_defaults.int_class->byval_arg;
5375 sig->ret = &klass->byval_arg;
5378 mono_mb_emit_ldarg (mb, 0);
5379 pos0 = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
5381 mono_mb_emit_ldarg (mb, 0);
5382 mono_mb_emit_ldarg (mb, 1);
5383 mono_mb_emit_ldarg (mb, 2);
5385 mono_mb_emit_managed_call (mb, mono_marshal_get_ldfld_remote_wrapper (klass), NULL);
5388 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
5389 csig->params [0] = &mono_defaults.object_class->byval_arg;
5390 csig->params [1] = &mono_defaults.int_class->byval_arg;
5391 csig->params [2] = &mono_defaults.int_class->byval_arg;
5392 csig->ret = &klass->this_arg;
5395 mono_mb_emit_native_call (mb, csig, mono_load_remote_field_new);
5396 emit_thread_interrupt_checkpoint (mb);
5399 if (klass->valuetype) {
5400 mono_mb_emit_op (mb, CEE_UNBOX, klass);
5401 pos1 = mono_mb_emit_branch (mb, CEE_BR);
5403 mono_mb_emit_byte (mb, CEE_RET);
5407 mono_mb_patch_branch (mb, pos0);
5409 mono_mb_emit_ldarg (mb, 0);
5410 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5411 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
5412 mono_mb_emit_ldarg (mb, 3);
5413 mono_mb_emit_byte (mb, CEE_ADD);
5415 if (klass->valuetype)
5416 mono_mb_patch_branch (mb, pos1);
5421 case MONO_TYPE_BOOLEAN:
5422 case MONO_TYPE_CHAR:
5431 case MONO_TYPE_ARRAY:
5432 case MONO_TYPE_SZARRAY:
5433 case MONO_TYPE_OBJECT:
5434 case MONO_TYPE_CLASS:
5435 case MONO_TYPE_STRING:
5439 case MONO_TYPE_FNPTR:
5440 mono_mb_emit_byte (mb, mono_type_to_ldind (type));
5442 case MONO_TYPE_VALUETYPE:
5443 g_assert (!klass->enumtype);
5444 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
5446 case MONO_TYPE_GENERICINST:
5447 if (mono_type_generic_inst_is_valuetype (type)) {
5448 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
5450 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5454 case MONO_TYPE_MVAR:
5455 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
5458 g_warning ("type %x not implemented", type->type);
5459 g_assert_not_reached ();
5462 mono_mb_emit_byte (mb, CEE_RET);
5463 #endif /* DISABLE_JIT */
5465 res = mono_mb_create_and_cache (cache, klass,
5466 mb, sig, sig->param_count + 16);
5473 * mono_marshal_get_ldflda_wrapper:
5474 * @type: the type of the field
5476 * This method generates a function which can be used to load a field address
5477 * from an object. The generated function has the following signature:
5478 * gpointer ldflda_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset);
5481 mono_marshal_get_ldflda_wrapper (MonoType *type)
5483 MonoMethodSignature *sig;
5484 MonoMethodBuilder *mb;
5489 int t, pos0, pos1, pos2, pos3;
5491 type = mono_type_get_underlying_type (type);
5495 if (type->type == MONO_TYPE_SZARRAY) {
5496 klass = mono_defaults.array_class;
5497 } else if (type->type == MONO_TYPE_VALUETYPE) {
5498 klass = type->data.klass;
5499 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING ||
5500 t == MONO_TYPE_CLASS) {
5501 klass = mono_defaults.object_class;
5502 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
5503 klass = mono_defaults.int_class;
5504 } else if (t == MONO_TYPE_GENERICINST) {
5505 if (mono_type_generic_inst_is_valuetype (type))
5506 klass = mono_class_from_mono_type (type);
5508 klass = mono_defaults.object_class;
5510 klass = mono_class_from_mono_type (type);
5513 klass = mono_defaults.int_class;
5516 cache = get_cache (&klass->image->ldflda_wrapper_cache, mono_aligned_addr_hash, NULL);
5517 if ((res = mono_marshal_find_in_cache (cache, klass)))
5520 /* we add the %p pointer value of klass because class names are not unique */
5521 name = g_strdup_printf ("__ldflda_wrapper_%p_%s.%s", klass, klass->name_space, klass->name);
5522 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_LDFLDA);
5525 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
5526 sig->params [0] = &mono_defaults.object_class->byval_arg;
5527 sig->params [1] = &mono_defaults.int_class->byval_arg;
5528 sig->params [2] = &mono_defaults.int_class->byval_arg;
5529 sig->params [3] = &mono_defaults.int_class->byval_arg;
5530 sig->ret = &mono_defaults.int_class->byval_arg;
5533 /* if typeof (this) != transparent_proxy goto pos0 */
5534 mono_mb_emit_ldarg (mb, 0);
5535 pos0 = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
5537 /* if same_appdomain goto pos1 */
5538 mono_mb_emit_ldarg (mb, 0);
5539 pos1 = mono_mb_emit_xdomain_check (mb, CEE_BEQ);
5541 mono_mb_emit_exception_full (mb, "System", "InvalidOperationException", "Attempt to load field address from object in another appdomain.");
5543 /* same app domain */
5544 mono_mb_patch_branch (mb, pos1);
5546 /* if typeof (this) != contextbound goto pos2 */
5547 mono_mb_emit_ldarg (mb, 0);
5548 pos2 = mono_mb_emit_contextbound_check (mb, CEE_BEQ);
5550 /* if this->rp->context == mono_context_get goto pos3 */
5551 mono_mb_emit_ldarg (mb, 0);
5552 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
5553 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5554 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoRealProxy, context));
5555 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5556 mono_mb_emit_icall (mb, mono_context_get);
5557 pos3 = mono_mb_emit_branch (mb, CEE_BEQ);
5559 mono_mb_emit_exception_full (mb, "System", "InvalidOperationException", "Attempt to load field address from object in another context.");
5561 mono_mb_patch_branch (mb, pos2);
5562 mono_mb_patch_branch (mb, pos3);
5564 /* return the address of the field from this->rp->unwrapped_server */
5565 mono_mb_emit_ldarg (mb, 0);
5566 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
5567 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5568 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoRealProxy, unwrapped_server));
5569 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5570 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5571 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
5572 mono_mb_emit_ldarg (mb, 3);
5573 mono_mb_emit_byte (mb, CEE_ADD);
5574 mono_mb_emit_byte (mb, CEE_RET);
5576 /* not a proxy: return the address of the field directly */
5577 mono_mb_patch_branch (mb, pos0);
5579 mono_mb_emit_ldarg (mb, 0);
5580 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5581 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
5582 mono_mb_emit_ldarg (mb, 3);
5583 mono_mb_emit_byte (mb, CEE_ADD);
5585 mono_mb_emit_byte (mb, CEE_RET);
5588 res = mono_mb_create_and_cache (cache, klass,
5589 mb, sig, sig->param_count + 16);
5596 * mono_marshal_get_stfld_remote_wrapper:
5597 * klass: The type of the field
5599 * This function generates a wrapper for calling mono_store_remote_field_new
5600 * with the appropriate signature.
5601 * Similarly to mono_marshal_get_ldfld_remote_wrapper () this doesn't depend on the
5602 * klass argument anymore.
5605 mono_marshal_get_stfld_remote_wrapper (MonoClass *klass)
5607 MonoMethodSignature *sig, *csig;
5608 MonoMethodBuilder *mb;
5610 static MonoMethod *cached = NULL;
5612 mono_marshal_lock ();
5614 mono_marshal_unlock ();
5617 mono_marshal_unlock ();
5619 mb = mono_mb_new_no_dup_name (mono_defaults.object_class, "__mono_store_remote_field_new_wrapper", MONO_WRAPPER_STFLD_REMOTE);
5621 mb->method->save_lmf = 1;
5623 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
5624 sig->params [0] = &mono_defaults.object_class->byval_arg;
5625 sig->params [1] = &mono_defaults.int_class->byval_arg;
5626 sig->params [2] = &mono_defaults.int_class->byval_arg;
5627 sig->params [3] = &mono_defaults.object_class->byval_arg;
5628 sig->ret = &mono_defaults.void_class->byval_arg;
5631 mono_mb_emit_ldarg (mb, 0);
5632 mono_mb_emit_ldarg (mb, 1);
5633 mono_mb_emit_ldarg (mb, 2);
5634 mono_mb_emit_ldarg (mb, 3);
5636 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
5637 csig->params [0] = &mono_defaults.object_class->byval_arg;
5638 csig->params [1] = &mono_defaults.int_class->byval_arg;
5639 csig->params [2] = &mono_defaults.int_class->byval_arg;
5640 csig->params [3] = &mono_defaults.object_class->byval_arg;
5641 csig->ret = &mono_defaults.void_class->byval_arg;
5644 mono_mb_emit_native_call (mb, csig, mono_store_remote_field_new);
5645 emit_thread_interrupt_checkpoint (mb);
5647 mono_mb_emit_byte (mb, CEE_RET);
5650 mono_marshal_lock ();
5652 mono_marshal_unlock ();
5655 newm = mono_mb_create_method (mb, sig, 6);
5656 mono_marshal_lock ();
5661 mono_marshal_unlock ();
5663 mono_marshal_unlock ();
5664 mono_free_method (newm);
5673 * mono_marshal_get_stfld_wrapper:
5674 * @type: the type of the field
5676 * This method generates a function which can be use to store a field with type
5677 * @type. The generated function has the following signature:
5678 * void stfld_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset, <@type> val)
5681 mono_marshal_get_stfld_wrapper (MonoType *type)
5683 MonoMethodSignature *sig;
5684 MonoMethodBuilder *mb;
5691 type = mono_type_get_underlying_type (type);
5695 if (type->type == MONO_TYPE_SZARRAY) {
5696 klass = mono_defaults.array_class;
5697 } else if (type->type == MONO_TYPE_VALUETYPE) {
5698 klass = type->data.klass;
5699 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING) {
5700 klass = mono_defaults.object_class;
5701 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
5702 klass = mono_defaults.int_class;
5703 } else if (t == MONO_TYPE_GENERICINST) {
5704 if (mono_type_generic_inst_is_valuetype (type))
5705 klass = mono_class_from_mono_type (type);
5707 klass = mono_defaults.object_class;
5709 klass = mono_class_from_mono_type (type);
5712 klass = mono_defaults.int_class;
5715 cache = get_cache (&klass->image->stfld_wrapper_cache, mono_aligned_addr_hash, NULL);
5716 if ((res = mono_marshal_find_in_cache (cache, klass)))
5719 /* we add the %p pointer value of klass because class names are not unique */
5720 name = g_strdup_printf ("__stfld_wrapper_%p_%s.%s", klass, klass->name_space, klass->name);
5721 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_STFLD);
5724 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 5);
5725 sig->params [0] = &mono_defaults.object_class->byval_arg;
5726 sig->params [1] = &mono_defaults.int_class->byval_arg;
5727 sig->params [2] = &mono_defaults.int_class->byval_arg;
5728 sig->params [3] = &mono_defaults.int_class->byval_arg;
5729 sig->params [4] = &klass->byval_arg;
5730 sig->ret = &mono_defaults.void_class->byval_arg;
5733 mono_mb_emit_ldarg (mb, 0);
5734 pos = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
5736 mono_mb_emit_ldarg (mb, 0);
5737 mono_mb_emit_ldarg (mb, 1);
5738 mono_mb_emit_ldarg (mb, 2);
5739 mono_mb_emit_ldarg (mb, 4);
5740 if (klass->valuetype)
5741 mono_mb_emit_op (mb, CEE_BOX, klass);
5743 mono_mb_emit_managed_call (mb, mono_marshal_get_stfld_remote_wrapper (klass), NULL);
5745 mono_mb_emit_byte (mb, CEE_RET);
5747 mono_mb_patch_branch (mb, pos);
5749 mono_mb_emit_ldarg (mb, 0);
5750 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5751 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
5752 mono_mb_emit_ldarg (mb, 3);
5753 mono_mb_emit_byte (mb, CEE_ADD);
5754 mono_mb_emit_ldarg (mb, 4);
5759 case MONO_TYPE_BOOLEAN:
5760 case MONO_TYPE_CHAR:
5769 case MONO_TYPE_ARRAY:
5770 case MONO_TYPE_SZARRAY:
5771 case MONO_TYPE_OBJECT:
5772 case MONO_TYPE_CLASS:
5773 case MONO_TYPE_STRING:
5777 case MONO_TYPE_FNPTR:
5778 mono_mb_emit_byte (mb, mono_type_to_stind (type));
5780 case MONO_TYPE_VALUETYPE:
5781 g_assert (!klass->enumtype);
5782 mono_mb_emit_op (mb, CEE_STOBJ, klass);
5784 case MONO_TYPE_GENERICINST:
5786 case MONO_TYPE_MVAR:
5787 mono_mb_emit_op (mb, CEE_STOBJ, klass);
5790 g_warning ("type %x not implemented", type->type);
5791 g_assert_not_reached ();
5794 mono_mb_emit_byte (mb, CEE_RET);
5797 res = mono_mb_create_and_cache (cache, klass,
5798 mb, sig, sig->param_count + 16);
5803 #endif /* DISABLE_REMOTING */
5806 * generates IL code for the icall wrapper (the generated method
5807 * calls the unmanaged code in func)
5808 * The wrapper info for the wrapper is a WrapperInfo structure.
5811 mono_marshal_get_icall_wrapper (MonoMethodSignature *sig, const char *name, gconstpointer func, gboolean check_exceptions)
5813 MonoMethodSignature *csig, *csig2;
5814 MonoMethodBuilder *mb;
5819 g_assert (sig->pinvoke);
5821 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_MANAGED_TO_NATIVE);
5823 mb->method->save_lmf = 1;
5825 /* Add an explicit this argument */
5827 csig2 = signature_dup_add_this (mono_defaults.corlib, sig, mono_defaults.object_class);
5829 csig2 = signature_dup (mono_defaults.corlib, sig);
5833 mono_mb_emit_byte (mb, CEE_LDARG_0);
5835 for (i = 0; i < sig->param_count; i++)
5836 mono_mb_emit_ldarg (mb, i + sig->hasthis);
5838 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5839 mono_mb_emit_op (mb, CEE_MONO_JIT_ICALL_ADDR, (gpointer)func);
5840 mono_mb_emit_calli (mb, csig2);
5841 if (check_exceptions)
5842 emit_thread_interrupt_checkpoint (mb);
5843 mono_mb_emit_byte (mb, CEE_RET);
5846 csig = signature_dup (mono_defaults.corlib, sig);
5848 if (csig->call_convention == MONO_CALL_VARARG)
5849 csig->call_convention = 0;
5851 res = mono_mb_create_method (mb, csig, csig->param_count + 16);
5854 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_ICALL_WRAPPER);
5855 info->d.icall.func = (gpointer)func;
5856 mono_marshal_set_wrapper_info (res, info);
5862 emit_marshal_custom (EmitMarshalContext *m, int argnum, MonoType *t,
5863 MonoMarshalSpec *spec,
5864 int conv_arg, MonoType **conv_arg_type,
5865 MarshalAction action)
5868 if (action == MARSHAL_ACTION_CONV_IN && t->type == MONO_TYPE_VALUETYPE)
5869 *conv_arg_type = &mono_defaults.int_class->byval_arg;
5874 static MonoClass *ICustomMarshaler = NULL;
5875 static MonoMethod *cleanup_native, *cleanup_managed;
5876 static MonoMethod *marshal_managed_to_native, *marshal_native_to_managed;
5877 MonoMethod *get_instance = NULL;
5878 MonoMethodBuilder *mb = m->mb;
5879 char *exception_msg = NULL;
5883 if (!ICustomMarshaler) {
5884 ICustomMarshaler = mono_class_from_name (mono_defaults.corlib, "System.Runtime.InteropServices", "ICustomMarshaler");
5885 if (!ICustomMarshaler) {
5886 exception_msg = g_strdup ("Current profile doesn't support ICustomMarshaler");
5887 goto handle_exception;
5890 cleanup_native = mono_class_get_method_from_name (ICustomMarshaler, "CleanUpNativeData", 1);
5891 g_assert (cleanup_native);
5892 cleanup_managed = mono_class_get_method_from_name (ICustomMarshaler, "CleanUpManagedData", 1);
5893 g_assert (cleanup_managed);
5894 marshal_managed_to_native = mono_class_get_method_from_name (ICustomMarshaler, "MarshalManagedToNative", 1);
5895 g_assert (marshal_managed_to_native);
5896 marshal_native_to_managed = mono_class_get_method_from_name (ICustomMarshaler, "MarshalNativeToManaged", 1);
5897 g_assert (marshal_native_to_managed);
5900 mtype = mono_reflection_type_from_name (spec->data.custom_data.custom_name, m->image);
5901 g_assert (mtype != NULL);
5902 mklass = mono_class_from_mono_type (mtype);
5903 g_assert (mklass != NULL);
5905 if (!mono_class_is_assignable_from (ICustomMarshaler, mklass))
5906 exception_msg = g_strdup_printf ("Custom marshaler '%s' does not implement the ICustomMarshaler interface.", mklass->name);
5908 get_instance = mono_class_get_method_from_name_flags (mklass, "GetInstance", 1, METHOD_ATTRIBUTE_STATIC);
5910 MonoMethodSignature *get_sig = mono_method_signature (get_instance);
5911 if ((get_sig->ret->type != MONO_TYPE_CLASS) ||
5912 (mono_class_from_mono_type (get_sig->ret) != ICustomMarshaler) ||
5913 (get_sig->params [0]->type != MONO_TYPE_STRING))
5914 get_instance = NULL;
5918 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);
5921 /* Throw exception and emit compensation code if neccesary */
5922 if (exception_msg) {
5924 case MARSHAL_ACTION_CONV_IN:
5925 case MARSHAL_ACTION_CONV_RESULT:
5926 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
5927 if ((action == MARSHAL_ACTION_CONV_RESULT) || (action == MARSHAL_ACTION_MANAGED_CONV_RESULT))
5928 mono_mb_emit_byte (mb, CEE_POP);
5930 mono_mb_emit_exception_full (mb, "System", "ApplicationException", exception_msg);
5931 g_free (exception_msg);
5934 case MARSHAL_ACTION_PUSH:
5935 mono_mb_emit_byte (mb, CEE_LDNULL);
5943 /* FIXME: MS.NET seems to create one instance for each klass + cookie pair */
5944 /* FIXME: MS.NET throws an exception if GetInstance returns null */
5947 case MARSHAL_ACTION_CONV_IN:
5949 case MONO_TYPE_CLASS:
5950 case MONO_TYPE_OBJECT:
5951 case MONO_TYPE_STRING:
5952 case MONO_TYPE_ARRAY:
5953 case MONO_TYPE_SZARRAY:
5954 case MONO_TYPE_VALUETYPE:
5958 g_warning ("custom marshalling of type %x is currently not supported", t->type);
5959 g_assert_not_reached ();
5963 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5965 mono_mb_emit_byte (mb, CEE_LDNULL);
5966 mono_mb_emit_stloc (mb, conv_arg);
5968 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT))
5971 /* Minic MS.NET behavior */
5972 if (!t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT) && !(t->attrs & PARAM_ATTRIBUTE_IN))
5975 /* Check for null */
5976 mono_mb_emit_ldarg (mb, argnum);
5978 mono_mb_emit_byte (mb, CEE_LDIND_I);
5979 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5981 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5983 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5985 mono_mb_emit_ldarg (mb, argnum);
5987 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5989 if (t->type == MONO_TYPE_VALUETYPE) {
5991 * Since we can't determine the type of the argument, we
5992 * will assume the unmanaged function takes a pointer.
5994 *conv_arg_type = &mono_defaults.int_class->byval_arg;
5996 mono_mb_emit_op (mb, CEE_BOX, mono_class_from_mono_type (t));
5999 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_managed_to_native);
6000 mono_mb_emit_stloc (mb, conv_arg);
6002 mono_mb_patch_branch (mb, pos2);
6005 case MARSHAL_ACTION_CONV_OUT:
6006 /* Check for null */
6007 mono_mb_emit_ldloc (mb, conv_arg);
6008 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6011 mono_mb_emit_ldarg (mb, argnum);
6013 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
6015 mono_mb_emit_op (mb, CEE_CALL, get_instance);
6017 mono_mb_emit_ldloc (mb, conv_arg);
6018 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
6019 mono_mb_emit_byte (mb, CEE_STIND_REF);
6020 } else if (t->attrs & PARAM_ATTRIBUTE_OUT) {
6021 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
6023 mono_mb_emit_op (mb, CEE_CALL, get_instance);
6025 mono_mb_emit_ldloc (mb, conv_arg);
6026 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
6028 /* We have nowhere to store the result */
6029 mono_mb_emit_byte (mb, CEE_POP);
6032 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
6034 mono_mb_emit_op (mb, CEE_CALL, get_instance);
6036 mono_mb_emit_ldloc (mb, conv_arg);
6038 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_native);
6040 mono_mb_patch_branch (mb, pos2);
6043 case MARSHAL_ACTION_PUSH:
6045 mono_mb_emit_ldloc_addr (mb, conv_arg);
6047 mono_mb_emit_ldloc (mb, conv_arg);
6050 case MARSHAL_ACTION_CONV_RESULT:
6051 loc1 = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6053 mono_mb_emit_stloc (mb, 3);
6055 mono_mb_emit_ldloc (mb, 3);
6056 mono_mb_emit_stloc (mb, loc1);
6058 /* Check for null */
6059 mono_mb_emit_ldloc (mb, 3);
6060 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6062 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
6064 mono_mb_emit_op (mb, CEE_CALL, get_instance);
6065 mono_mb_emit_byte (mb, CEE_DUP);
6067 mono_mb_emit_ldloc (mb, 3);
6068 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
6069 mono_mb_emit_stloc (mb, 3);
6071 mono_mb_emit_ldloc (mb, loc1);
6072 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_native);
6074 mono_mb_patch_branch (mb, pos2);
6077 case MARSHAL_ACTION_MANAGED_CONV_IN:
6078 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
6080 mono_mb_emit_byte (mb, CEE_LDNULL);
6081 mono_mb_emit_stloc (mb, conv_arg);
6083 if (t->byref && t->attrs & PARAM_ATTRIBUTE_OUT)
6086 /* Check for null */
6087 mono_mb_emit_ldarg (mb, argnum);
6089 mono_mb_emit_byte (mb, CEE_LDIND_I);
6090 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6092 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
6093 mono_mb_emit_op (mb, CEE_CALL, get_instance);
6095 mono_mb_emit_ldarg (mb, argnum);
6097 mono_mb_emit_byte (mb, CEE_LDIND_I);
6099 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
6100 mono_mb_emit_stloc (mb, conv_arg);
6102 mono_mb_patch_branch (mb, pos2);
6105 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
6106 g_assert (!t->byref);
6108 loc1 = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
6110 mono_mb_emit_stloc (mb, 3);
6112 mono_mb_emit_ldloc (mb, 3);
6113 mono_mb_emit_stloc (mb, loc1);
6115 /* Check for null */
6116 mono_mb_emit_ldloc (mb, 3);
6117 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6119 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
6120 mono_mb_emit_op (mb, CEE_CALL, get_instance);
6121 mono_mb_emit_byte (mb, CEE_DUP);
6123 mono_mb_emit_ldloc (mb, 3);
6124 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_managed_to_native);
6125 mono_mb_emit_stloc (mb, 3);
6127 mono_mb_emit_ldloc (mb, loc1);
6128 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_managed);
6130 mono_mb_patch_branch (mb, pos2);
6133 case MARSHAL_ACTION_MANAGED_CONV_OUT:
6135 /* Check for null */
6136 mono_mb_emit_ldloc (mb, conv_arg);
6137 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6140 mono_mb_emit_ldarg (mb, argnum);
6142 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
6144 mono_mb_emit_op (mb, CEE_CALL, get_instance);
6146 mono_mb_emit_ldloc (mb, conv_arg);
6147 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_managed_to_native);
6148 mono_mb_emit_byte (mb, CEE_STIND_I);
6151 /* Call CleanUpManagedData */
6152 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
6154 mono_mb_emit_op (mb, CEE_CALL, get_instance);
6156 mono_mb_emit_ldloc (mb, conv_arg);
6157 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_managed);
6159 mono_mb_patch_branch (mb, pos2);
6163 g_assert_not_reached ();
6171 emit_marshal_asany (EmitMarshalContext *m, int argnum, MonoType *t,
6172 MonoMarshalSpec *spec,
6173 int conv_arg, MonoType **conv_arg_type,
6174 MarshalAction action)
6177 MonoMethodBuilder *mb = m->mb;
6180 case MARSHAL_ACTION_CONV_IN: {
6181 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, NULL);
6183 g_assert (t->type == MONO_TYPE_OBJECT);
6184 g_assert (!t->byref);
6186 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6187 mono_mb_emit_ldarg (mb, argnum);
6188 mono_mb_emit_icon (mb, encoding);
6189 mono_mb_emit_icon (mb, t->attrs);
6190 mono_mb_emit_icall (mb, mono_marshal_asany);
6191 mono_mb_emit_stloc (mb, conv_arg);
6195 case MARSHAL_ACTION_PUSH:
6196 mono_mb_emit_ldloc (mb, conv_arg);
6199 case MARSHAL_ACTION_CONV_OUT: {
6200 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, NULL);
6202 mono_mb_emit_ldarg (mb, argnum);
6203 mono_mb_emit_ldloc (mb, conv_arg);
6204 mono_mb_emit_icon (mb, encoding);
6205 mono_mb_emit_icon (mb, t->attrs);
6206 mono_mb_emit_icall (mb, mono_marshal_free_asany);
6211 g_assert_not_reached ();
6218 emit_marshal_vtype (EmitMarshalContext *m, int argnum, MonoType *t,
6219 MonoMarshalSpec *spec,
6220 int conv_arg, MonoType **conv_arg_type,
6221 MarshalAction action)
6224 MonoMethodBuilder *mb = m->mb;
6225 MonoClass *klass, *date_time_class;
6228 klass = mono_class_from_mono_type (t);
6230 date_time_class = mono_class_from_name_cached (mono_defaults.corlib, "System", "DateTime");
6233 case MARSHAL_ACTION_CONV_IN:
6234 if (klass == date_time_class) {
6235 /* Convert it to an OLE DATE type */
6236 static MonoMethod *to_oadate;
6239 to_oadate = mono_class_get_method_from_name (date_time_class, "ToOADate", 0);
6240 g_assert (to_oadate);
6242 conv_arg = mono_mb_add_local (mb, &mono_defaults.double_class->byval_arg);
6245 mono_mb_emit_ldarg (mb, argnum);
6246 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6249 if (!(t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && (t->attrs & PARAM_ATTRIBUTE_OUT))) {
6251 m->csig->params [argnum - m->csig->hasthis] = &mono_defaults.double_class->byval_arg;
6253 mono_mb_emit_ldarg_addr (mb, argnum);
6254 mono_mb_emit_managed_call (mb, to_oadate, NULL);
6255 mono_mb_emit_stloc (mb, conv_arg);
6259 mono_mb_patch_branch (mb, pos);
6263 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6264 klass->blittable || klass->enumtype)
6267 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6269 /* store the address of the source into local variable 0 */
6271 mono_mb_emit_ldarg (mb, argnum);
6273 mono_mb_emit_ldarg_addr (mb, argnum);
6275 mono_mb_emit_stloc (mb, 0);
6277 /* allocate space for the native struct and
6278 * store the address into local variable 1 (dest) */
6279 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
6280 mono_mb_emit_byte (mb, CEE_PREFIX1);
6281 mono_mb_emit_byte (mb, CEE_LOCALLOC);
6282 mono_mb_emit_stloc (mb, conv_arg);
6285 mono_mb_emit_ldloc (mb, 0);
6286 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6289 if (!(t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && (t->attrs & PARAM_ATTRIBUTE_OUT))) {
6291 mono_mb_emit_ldloc (mb, conv_arg);
6292 mono_mb_emit_stloc (mb, 1);
6294 /* emit valuetype conversion code */
6295 emit_struct_conv (mb, klass, FALSE);
6299 mono_mb_patch_branch (mb, pos);
6302 case MARSHAL_ACTION_PUSH:
6303 if (spec && spec->native == MONO_NATIVE_LPSTRUCT) {
6305 g_assert (!t->byref);
6307 /* Have to change the signature since the vtype is passed byref */
6308 m->csig->params [argnum - m->csig->hasthis] = &mono_defaults.int_class->byval_arg;
6310 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6311 klass->blittable || klass->enumtype)
6312 mono_mb_emit_ldarg_addr (mb, argnum);
6314 mono_mb_emit_ldloc (mb, conv_arg);
6318 if (klass == date_time_class) {
6320 mono_mb_emit_ldloc_addr (mb, conv_arg);
6322 mono_mb_emit_ldloc (mb, conv_arg);
6326 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6327 klass->blittable || klass->enumtype) {
6328 mono_mb_emit_ldarg (mb, argnum);
6331 mono_mb_emit_ldloc (mb, conv_arg);
6333 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6334 mono_mb_emit_op (mb, CEE_MONO_LDNATIVEOBJ, klass);
6338 case MARSHAL_ACTION_CONV_OUT:
6339 if (klass == date_time_class) {
6340 /* Convert from an OLE DATE type */
6341 static MonoMethod *from_oadate;
6346 if (!((t->attrs & PARAM_ATTRIBUTE_IN) && !(t->attrs & PARAM_ATTRIBUTE_OUT))) {
6348 from_oadate = mono_class_get_method_from_name (date_time_class, "FromOADate", 1);
6349 g_assert (from_oadate);
6351 mono_mb_emit_ldarg (mb, argnum);
6352 mono_mb_emit_ldloc (mb, conv_arg);
6353 mono_mb_emit_managed_call (mb, from_oadate, NULL);
6354 mono_mb_emit_op (mb, CEE_STOBJ, date_time_class);
6359 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6360 klass->blittable || klass->enumtype)
6364 /* dst = argument */
6365 mono_mb_emit_ldarg (mb, argnum);
6366 mono_mb_emit_stloc (mb, 1);
6368 mono_mb_emit_ldloc (mb, 1);
6369 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6371 if (!((t->attrs & PARAM_ATTRIBUTE_IN) && !(t->attrs & PARAM_ATTRIBUTE_OUT))) {
6372 /* src = tmp_locals [i] */
6373 mono_mb_emit_ldloc (mb, conv_arg);
6374 mono_mb_emit_stloc (mb, 0);
6376 /* emit valuetype conversion code */
6377 emit_struct_conv (mb, klass, TRUE);
6381 emit_struct_free (mb, klass, conv_arg);
6384 mono_mb_patch_branch (mb, pos);
6387 case MARSHAL_ACTION_CONV_RESULT:
6388 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6390 mono_mb_emit_stloc (mb, 3);
6394 /* load pointer to returned value type */
6395 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6396 mono_mb_emit_byte (mb, CEE_MONO_VTADDR);
6397 /* store the address of the source into local variable 0 */
6398 mono_mb_emit_stloc (mb, 0);
6400 mono_mb_emit_ldloc_addr (mb, 3);
6401 mono_mb_emit_stloc (mb, 1);
6403 /* emit valuetype conversion code */
6404 emit_struct_conv (mb, klass, TRUE);
6407 case MARSHAL_ACTION_MANAGED_CONV_IN:
6408 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6409 klass->blittable || klass->enumtype) {
6414 conv_arg = mono_mb_add_local (mb, &klass->byval_arg);
6416 if (t->attrs & PARAM_ATTRIBUTE_OUT)
6420 mono_mb_emit_ldarg (mb, argnum);
6422 mono_mb_emit_ldarg_addr (mb, argnum);
6423 mono_mb_emit_stloc (mb, 0);
6426 mono_mb_emit_ldloc (mb, 0);
6427 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6430 mono_mb_emit_ldloc_addr (mb, conv_arg);
6431 mono_mb_emit_stloc (mb, 1);
6433 /* emit valuetype conversion code */
6434 emit_struct_conv (mb, klass, TRUE);
6437 mono_mb_patch_branch (mb, pos);
6440 case MARSHAL_ACTION_MANAGED_CONV_OUT:
6441 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6442 klass->blittable || klass->enumtype) {
6446 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_IN) && !(t->attrs & PARAM_ATTRIBUTE_OUT))
6449 /* Check for null */
6450 mono_mb_emit_ldarg (mb, argnum);
6451 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6454 mono_mb_emit_ldloc_addr (mb, conv_arg);
6455 mono_mb_emit_stloc (mb, 0);
6458 mono_mb_emit_ldarg (mb, argnum);
6459 mono_mb_emit_stloc (mb, 1);
6461 /* emit valuetype conversion code */
6462 emit_struct_conv (mb, klass, FALSE);
6464 mono_mb_patch_branch (mb, pos2);
6467 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
6468 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6469 klass->blittable || klass->enumtype) {
6470 mono_mb_emit_stloc (mb, 3);
6475 /* load pointer to returned value type */
6476 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6477 mono_mb_emit_byte (mb, CEE_MONO_VTADDR);
6479 /* store the address of the source into local variable 0 */
6480 mono_mb_emit_stloc (mb, 0);
6481 /* allocate space for the native struct and
6482 * store the address into dst_ptr */
6483 m->retobj_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6484 m->retobj_class = klass;
6485 g_assert (m->retobj_var);
6486 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
6487 mono_mb_emit_byte (mb, CEE_CONV_I);
6488 mono_mb_emit_icall (mb, mono_marshal_alloc);
6489 mono_mb_emit_stloc (mb, 1);
6490 mono_mb_emit_ldloc (mb, 1);
6491 mono_mb_emit_stloc (mb, m->retobj_var);
6493 /* emit valuetype conversion code */
6494 emit_struct_conv (mb, klass, FALSE);
6498 g_assert_not_reached ();
6505 emit_marshal_string (EmitMarshalContext *m, int argnum, MonoType *t,
6506 MonoMarshalSpec *spec,
6507 int conv_arg, MonoType **conv_arg_type,
6508 MarshalAction action)
6512 case MARSHAL_ACTION_CONV_IN:
6513 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6515 case MARSHAL_ACTION_MANAGED_CONV_IN:
6516 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6520 MonoMethodBuilder *mb = m->mb;
6521 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
6522 MonoMarshalConv conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
6526 case MARSHAL_ACTION_CONV_IN:
6527 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6528 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6531 if (t->attrs & PARAM_ATTRIBUTE_OUT)
6534 mono_mb_emit_ldarg (mb, argnum);
6535 mono_mb_emit_byte (mb, CEE_LDIND_I);
6537 mono_mb_emit_ldarg (mb, argnum);
6541 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
6542 mono_mb_emit_exception_marshal_directive (mb, msg);
6544 mono_mb_emit_icall (mb, conv_to_icall (conv));
6546 mono_mb_emit_stloc (mb, conv_arg);
6550 case MARSHAL_ACTION_CONV_OUT:
6551 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
6553 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
6554 mono_mb_emit_exception_marshal_directive (mb, msg);
6558 if (encoding == MONO_NATIVE_VBBYREFSTR) {
6559 static MonoMethod *m;
6562 m = mono_class_get_method_from_name_flags (mono_defaults.string_class, "get_Length", -1, 0);
6567 char *msg = g_strdup_printf ("VBByRefStr marshalling requires a ref parameter.", encoding);
6568 mono_mb_emit_exception_marshal_directive (mb, msg);
6573 * Have to allocate a new string with the same length as the original, and
6574 * copy the contents of the buffer pointed to by CONV_ARG into it.
6576 g_assert (t->byref);
6577 mono_mb_emit_ldarg (mb, argnum);
6578 mono_mb_emit_ldloc (mb, conv_arg);
6579 mono_mb_emit_ldarg (mb, argnum);
6580 mono_mb_emit_byte (mb, CEE_LDIND_I);
6581 mono_mb_emit_managed_call (mb, m, NULL);
6582 mono_mb_emit_icall (mb, mono_string_new_len_wrapper);
6583 mono_mb_emit_byte (mb, CEE_STIND_REF);
6584 } else if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT || !(t->attrs & PARAM_ATTRIBUTE_IN))) {
6585 mono_mb_emit_ldarg (mb, argnum);
6586 mono_mb_emit_ldloc (mb, conv_arg);
6587 mono_mb_emit_icall (mb, conv_to_icall (conv));
6588 mono_mb_emit_byte (mb, CEE_STIND_REF);
6593 mono_mb_emit_ldloc (mb, conv_arg);
6594 if (conv == MONO_MARSHAL_CONV_BSTR_STR)
6595 mono_mb_emit_icall (mb, mono_free_bstr);
6597 mono_mb_emit_icall (mb, mono_marshal_free);
6601 case MARSHAL_ACTION_PUSH:
6602 if (t->byref && encoding != MONO_NATIVE_VBBYREFSTR)
6603 mono_mb_emit_ldloc_addr (mb, conv_arg);
6605 mono_mb_emit_ldloc (mb, conv_arg);
6608 case MARSHAL_ACTION_CONV_RESULT:
6609 mono_mb_emit_stloc (mb, 0);
6611 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
6613 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
6614 mono_mb_emit_exception_marshal_directive (mb, msg);
6618 mono_mb_emit_ldloc (mb, 0);
6619 mono_mb_emit_icall (mb, conv_to_icall (conv));
6620 mono_mb_emit_stloc (mb, 3);
6622 /* free the string */
6623 mono_mb_emit_ldloc (mb, 0);
6624 if (conv == MONO_MARSHAL_CONV_BSTR_STR)
6625 mono_mb_emit_icall (mb, mono_free_bstr);
6627 mono_mb_emit_icall (mb, mono_marshal_free);
6630 case MARSHAL_ACTION_MANAGED_CONV_IN:
6631 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
6633 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6636 if (t->attrs & PARAM_ATTRIBUTE_OUT)
6640 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
6642 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
6643 mono_mb_emit_exception_marshal_directive (mb, msg);
6647 mono_mb_emit_ldarg (mb, argnum);
6649 mono_mb_emit_byte (mb, CEE_LDIND_I);
6650 mono_mb_emit_icall (mb, conv_to_icall (conv));
6651 mono_mb_emit_stloc (mb, conv_arg);
6654 case MARSHAL_ACTION_MANAGED_CONV_OUT:
6657 mono_mb_emit_ldarg (mb, argnum);
6658 mono_mb_emit_ldloc (mb, conv_arg);
6659 mono_mb_emit_icall (mb, conv_to_icall (conv));
6660 mono_mb_emit_byte (mb, CEE_STIND_I);
6665 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
6666 if (conv_to_icall (conv) == mono_marshal_string_to_utf16)
6667 /* We need to make a copy so the caller is able to free it */
6668 mono_mb_emit_icall (mb, mono_marshal_string_to_utf16_copy);
6670 mono_mb_emit_icall (mb, conv_to_icall (conv));
6671 mono_mb_emit_stloc (mb, 3);
6675 g_assert_not_reached ();
6683 emit_marshal_safehandle (EmitMarshalContext *m, int argnum, MonoType *t,
6684 MonoMarshalSpec *spec, int conv_arg,
6685 MonoType **conv_arg_type, MarshalAction action)
6688 if (action == MARSHAL_ACTION_CONV_IN)
6689 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6691 MonoMethodBuilder *mb = m->mb;
6694 case MARSHAL_ACTION_CONV_IN: {
6695 MonoType *intptr_type;
6696 int dar_release_slot, pos;
6698 intptr_type = &mono_defaults.int_class->byval_arg;
6699 conv_arg = mono_mb_add_local (mb, intptr_type);
6700 *conv_arg_type = intptr_type;
6702 if (!sh_dangerous_add_ref)
6703 init_safe_handle ();
6705 mono_mb_emit_ldarg (mb, argnum);
6706 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
6707 mono_mb_emit_exception (mb, "ArgumentNullException", NULL);
6709 mono_mb_patch_branch (mb, pos);
6712 * My tests in show that ref SafeHandles are not really
6713 * passed as ref objects. Instead a NULL is passed as the
6716 mono_mb_emit_icon (mb, 0);
6717 mono_mb_emit_stloc (mb, conv_arg);
6721 /* Create local to hold the ref parameter to DangerousAddRef */
6722 dar_release_slot = mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
6724 /* set release = false; */
6725 mono_mb_emit_icon (mb, 0);
6726 mono_mb_emit_stloc (mb, dar_release_slot);
6728 /* safehandle.DangerousAddRef (ref release) */
6729 mono_mb_emit_ldarg (mb, argnum);
6730 mono_mb_emit_ldloc_addr (mb, dar_release_slot);
6731 mono_mb_emit_managed_call (mb, sh_dangerous_add_ref, NULL);
6733 /* Pull the handle field from SafeHandle */
6734 mono_mb_emit_ldarg (mb, argnum);
6735 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoSafeHandle, handle));
6736 mono_mb_emit_byte (mb, CEE_LDIND_I);
6737 mono_mb_emit_stloc (mb, conv_arg);
6742 case MARSHAL_ACTION_PUSH:
6744 mono_mb_emit_ldloc_addr (mb, conv_arg);
6746 mono_mb_emit_ldloc (mb, conv_arg);
6749 case MARSHAL_ACTION_CONV_OUT: {
6750 /* The slot for the boolean is the next temporary created after conv_arg, see the CONV_IN code */
6751 int dar_release_slot = conv_arg + 1;
6754 if (!sh_dangerous_release)
6755 init_safe_handle ();
6761 * My tests indicate that ref SafeHandles parameters are not actually
6762 * passed by ref, but instead a new Handle is created regardless of
6763 * whether a change happens in the unmanaged side.
6765 * Also, the Handle is created before calling into unmanaged code,
6766 * but we do not support that mechanism (getting to the original
6767 * handle) and it makes no difference where we create this
6769 ctor = mono_class_get_method_from_name (t->data.klass, ".ctor", 0);
6771 mono_mb_emit_exception (mb, "MissingMethodException", "paramterless constructor required");
6774 /* refval = new SafeHandleDerived ()*/
6775 mono_mb_emit_ldarg (mb, argnum);
6776 mono_mb_emit_op (mb, CEE_NEWOBJ, ctor);
6777 mono_mb_emit_byte (mb, CEE_STIND_REF);
6779 /* refval.handle = returned_handle */
6780 mono_mb_emit_ldarg (mb, argnum);
6781 mono_mb_emit_byte (mb, CEE_LDIND_REF);
6782 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoSafeHandle, handle));
6783 mono_mb_emit_ldloc (mb, conv_arg);
6784 mono_mb_emit_byte (mb, CEE_STIND_I);
6786 mono_mb_emit_ldloc (mb, dar_release_slot);
6787 label_next = mono_mb_emit_branch (mb, CEE_BRFALSE);
6788 mono_mb_emit_ldarg (mb, argnum);
6789 mono_mb_emit_managed_call (mb, sh_dangerous_release, NULL);
6790 mono_mb_patch_branch (mb, label_next);
6795 case MARSHAL_ACTION_CONV_RESULT: {
6796 MonoMethod *ctor = NULL;
6797 int intptr_handle_slot;
6799 if (t->data.klass->flags & TYPE_ATTRIBUTE_ABSTRACT){
6800 mono_mb_emit_byte (mb, CEE_POP);
6801 mono_mb_emit_exception_marshal_directive (mb, g_strdup ("Returned SafeHandles should not be abstract"));
6805 ctor = mono_class_get_method_from_name (t->data.klass, ".ctor", 0);
6807 mono_mb_emit_byte (mb, CEE_POP);
6808 mono_mb_emit_exception (mb, "MissingMethodException", "paramterless constructor required");
6811 /* Store the IntPtr results into a local */
6812 intptr_handle_slot = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6813 mono_mb_emit_stloc (mb, intptr_handle_slot);
6815 /* Create return value */
6816 mono_mb_emit_op (mb, CEE_NEWOBJ, ctor);
6817 mono_mb_emit_stloc (mb, 3);
6819 /* Set the return.handle to the value, am using ldflda, not sure if thats a good idea */
6820 mono_mb_emit_ldloc (mb, 3);
6821 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoSafeHandle, handle));
6822 mono_mb_emit_ldloc (mb, intptr_handle_slot);
6823 mono_mb_emit_byte (mb, CEE_STIND_I);
6827 case MARSHAL_ACTION_MANAGED_CONV_IN:
6828 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_IN\n");
6831 case MARSHAL_ACTION_MANAGED_CONV_OUT:
6832 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_OUT\n");
6835 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
6836 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_RESULT\n");
6839 printf ("Unhandled case for MarshalAction: %d\n", action);
6847 emit_marshal_handleref (EmitMarshalContext *m, int argnum, MonoType *t,
6848 MonoMarshalSpec *spec, int conv_arg,
6849 MonoType **conv_arg_type, MarshalAction action)
6852 if (action == MARSHAL_ACTION_CONV_IN)
6853 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6855 MonoMethodBuilder *mb = m->mb;
6858 case MARSHAL_ACTION_CONV_IN: {
6859 MonoType *intptr_type;
6861 intptr_type = &mono_defaults.int_class->byval_arg;
6862 conv_arg = mono_mb_add_local (mb, intptr_type);
6863 *conv_arg_type = intptr_type;
6866 char *msg = g_strdup ("HandleRefs can not be returned from unmanaged code (or passed by ref)");
6867 mono_mb_emit_exception_marshal_directive (mb, msg);
6870 mono_mb_emit_ldarg_addr (mb, argnum);
6871 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoHandleRef, handle));
6872 mono_mb_emit_byte (mb, CEE_ADD);
6873 mono_mb_emit_byte (mb, CEE_LDIND_I);
6874 mono_mb_emit_stloc (mb, conv_arg);
6878 case MARSHAL_ACTION_PUSH:
6879 mono_mb_emit_ldloc (mb, conv_arg);
6882 case MARSHAL_ACTION_CONV_OUT: {
6883 /* no resource release required */
6887 case MARSHAL_ACTION_CONV_RESULT: {
6888 char *msg = g_strdup ("HandleRefs can not be returned from unmanaged code (or passed by ref)");
6889 mono_mb_emit_exception_marshal_directive (mb, msg);
6893 case MARSHAL_ACTION_MANAGED_CONV_IN:
6894 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_IN\n");
6897 case MARSHAL_ACTION_MANAGED_CONV_OUT:
6898 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_OUT\n");
6901 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
6902 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_RESULT\n");
6905 fprintf (stderr, "Unhandled case for MarshalAction: %d\n", action);
6913 emit_marshal_object (EmitMarshalContext *m, int argnum, MonoType *t,
6914 MonoMarshalSpec *spec,
6915 int conv_arg, MonoType **conv_arg_type,
6916 MarshalAction action)
6919 if (action == MARSHAL_ACTION_CONV_IN)
6920 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6922 MonoMethodBuilder *mb = m->mb;
6923 MonoClass *klass = mono_class_from_mono_type (t);
6927 case MARSHAL_ACTION_CONV_IN:
6928 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6929 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6931 m->orig_conv_args [argnum] = 0;
6933 if (mono_class_from_mono_type (t) == mono_defaults.object_class) {
6934 char *msg = g_strdup_printf ("Marshalling of type object is not implemented");
6935 mono_mb_emit_exception_marshal_directive (mb, msg);
6939 if (klass->delegate) {
6941 if (!(t->attrs & PARAM_ATTRIBUTE_OUT)) {
6942 char *msg = g_strdup_printf ("Byref marshalling of delegates is not implemented.");
6943 mono_mb_emit_exception_marshal_directive (mb, msg);
6945 mono_mb_emit_byte (mb, CEE_LDNULL);
6946 mono_mb_emit_stloc (mb, conv_arg);
6948 mono_mb_emit_ldarg (mb, argnum);
6949 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_DEL_FTN));
6950 mono_mb_emit_stloc (mb, conv_arg);
6952 } else if (klass == mono_defaults.stringbuilder_class) {
6953 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
6954 MonoMarshalConv conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
6958 if (!(t->attrs & PARAM_ATTRIBUTE_OUT)) {
6959 char *msg = g_strdup_printf ("Byref marshalling of stringbuilders is not implemented.");
6960 mono_mb_emit_exception_marshal_directive (mb, msg);
6966 if (t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && (t->attrs & PARAM_ATTRIBUTE_OUT))
6970 char *msg = g_strdup_printf ("stringbuilder marshalling conversion %d not implemented", encoding);
6971 mono_mb_emit_exception_marshal_directive (mb, msg);
6975 mono_mb_emit_ldarg (mb, argnum);
6977 mono_mb_emit_byte (mb, CEE_LDIND_I);
6979 mono_mb_emit_icall (mb, conv_to_icall (conv));
6980 mono_mb_emit_stloc (mb, conv_arg);
6981 } else if (klass->blittable) {
6982 mono_mb_emit_byte (mb, CEE_LDNULL);
6983 mono_mb_emit_stloc (mb, conv_arg);
6985 mono_mb_emit_ldarg (mb, argnum);
6986 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6988 mono_mb_emit_ldarg (mb, argnum);
6989 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6990 mono_mb_emit_stloc (mb, conv_arg);
6992 mono_mb_patch_branch (mb, pos);
6995 mono_mb_emit_byte (mb, CEE_LDNULL);
6996 mono_mb_emit_stloc (mb, conv_arg);
6999 /* we dont need any conversions for out parameters */
7000 if (t->attrs & PARAM_ATTRIBUTE_OUT)
7003 mono_mb_emit_ldarg (mb, argnum);
7004 mono_mb_emit_byte (mb, CEE_LDIND_I);
7007 mono_mb_emit_ldarg (mb, argnum);
7008 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
7009 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
7012 /* store the address of the source into local variable 0 */
7013 mono_mb_emit_stloc (mb, 0);
7014 mono_mb_emit_ldloc (mb, 0);
7015 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
7017 /* allocate space for the native struct and store the address */
7018 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
7019 mono_mb_emit_byte (mb, CEE_PREFIX1);
7020 mono_mb_emit_byte (mb, CEE_LOCALLOC);
7021 mono_mb_emit_stloc (mb, conv_arg);
7024 /* Need to store the original buffer so we can free it later */
7025 m->orig_conv_args [argnum] = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7026 mono_mb_emit_ldloc (mb, conv_arg);
7027 mono_mb_emit_stloc (mb, m->orig_conv_args [argnum]);
7030 /* set the src_ptr */
7031 mono_mb_emit_ldloc (mb, 0);
7032 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
7033 mono_mb_emit_stloc (mb, 0);
7036 mono_mb_emit_ldloc (mb, conv_arg);
7037 mono_mb_emit_stloc (mb, 1);
7039 /* emit valuetype conversion code */
7040 emit_struct_conv (mb, klass, FALSE);
7042 mono_mb_patch_branch (mb, pos);
7046 case MARSHAL_ACTION_CONV_OUT:
7047 if (klass == mono_defaults.stringbuilder_class) {
7049 MonoMarshalNative encoding;
7050 MonoMarshalConv conv;
7052 encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
7053 conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free);
7055 g_assert (encoding != -1);
7058 //g_assert (!(t->attrs & PARAM_ATTRIBUTE_OUT));
7062 mono_mb_emit_ldarg (mb, argnum);
7063 mono_mb_emit_ldloc (mb, conv_arg);
7066 case MONO_NATIVE_LPWSTR:
7067 mono_mb_emit_icall (mb, mono_string_utf16_to_builder2);
7069 case MONO_NATIVE_LPSTR:
7070 mono_mb_emit_icall (mb, mono_string_utf8_to_builder2);
7073 g_assert_not_reached ();
7076 mono_mb_emit_byte (mb, CEE_STIND_REF);
7078 mono_mb_emit_ldarg (mb, argnum);
7079 mono_mb_emit_ldloc (mb, conv_arg);
7081 mono_mb_emit_icall (mb, conv_to_icall (conv));
7085 mono_mb_emit_ldloc (mb, conv_arg);
7086 mono_mb_emit_icall (mb, mono_marshal_free);
7091 if (klass->delegate) {
7093 mono_mb_emit_ldarg (mb, argnum);
7094 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
7095 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
7096 mono_mb_emit_ldloc (mb, conv_arg);
7097 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_FTN_DEL));
7098 mono_mb_emit_byte (mb, CEE_STIND_REF);
7103 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT)) {
7104 /* allocate a new object */
7105 mono_mb_emit_ldarg (mb, argnum);
7106 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
7107 mono_mb_emit_op (mb, CEE_MONO_NEWOBJ, klass);
7108 mono_mb_emit_byte (mb, CEE_STIND_REF);
7111 /* dst = *argument */
7112 mono_mb_emit_ldarg (mb, argnum);
7115 mono_mb_emit_byte (mb, CEE_LDIND_I);
7117 mono_mb_emit_stloc (mb, 1);
7119 mono_mb_emit_ldloc (mb, 1);
7120 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
7122 if (t->byref || (t->attrs & PARAM_ATTRIBUTE_OUT)) {
7123 mono_mb_emit_ldloc (mb, 1);
7124 mono_mb_emit_icon (mb, sizeof (MonoObject));
7125 mono_mb_emit_byte (mb, CEE_ADD);
7126 mono_mb_emit_stloc (mb, 1);
7128 /* src = tmp_locals [i] */
7129 mono_mb_emit_ldloc (mb, conv_arg);
7130 mono_mb_emit_stloc (mb, 0);
7132 /* emit valuetype conversion code */
7133 emit_struct_conv (mb, klass, TRUE);
7135 /* Free the structure returned by the native code */
7136 emit_struct_free (mb, klass, conv_arg);
7138 if (m->orig_conv_args [argnum]) {
7140 * If the native function changed the pointer, then free
7141 * the original structure plus the new pointer.
7143 mono_mb_emit_ldloc (mb, m->orig_conv_args [argnum]);
7144 mono_mb_emit_ldloc (mb, conv_arg);
7145 pos2 = mono_mb_emit_branch (mb, CEE_BEQ);
7147 if (!(t->attrs & PARAM_ATTRIBUTE_OUT)) {
7148 g_assert (m->orig_conv_args [argnum]);
7150 emit_struct_free (mb, klass, m->orig_conv_args [argnum]);
7153 mono_mb_emit_ldloc (mb, conv_arg);
7154 mono_mb_emit_icall (mb, mono_marshal_free);
7156 mono_mb_patch_branch (mb, pos2);
7160 /* Free the original structure passed to native code */
7161 emit_struct_free (mb, klass, conv_arg);
7163 mono_mb_patch_branch (mb, pos);
7166 case MARSHAL_ACTION_PUSH:
7168 mono_mb_emit_ldloc_addr (mb, conv_arg);
7170 mono_mb_emit_ldloc (mb, conv_arg);
7173 case MARSHAL_ACTION_CONV_RESULT:
7174 if (klass->delegate) {
7175 g_assert (!t->byref);
7176 mono_mb_emit_stloc (mb, 0);
7177 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
7178 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
7179 mono_mb_emit_ldloc (mb, 0);
7180 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_FTN_DEL));
7181 mono_mb_emit_stloc (mb, 3);
7184 mono_mb_emit_stloc (mb, 0);
7186 /* Make a copy since emit_conv modifies local 0 */
7187 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7188 mono_mb_emit_ldloc (mb, 0);
7189 mono_mb_emit_stloc (mb, loc);
7191 mono_mb_emit_byte (mb, CEE_LDNULL);
7192 mono_mb_emit_stloc (mb, 3);
7194 mono_mb_emit_ldloc (mb, 0);
7195 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
7197 /* allocate result object */
7199 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
7200 mono_mb_emit_op (mb, CEE_MONO_NEWOBJ, klass);
7201 mono_mb_emit_stloc (mb, 3);
7205 mono_mb_emit_ldloc (mb, 3);
7206 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
7207 mono_mb_emit_stloc (mb, 1);
7209 /* emit conversion code */
7210 emit_struct_conv (mb, klass, TRUE);
7212 emit_struct_free (mb, klass, loc);
7214 /* Free the pointer allocated by unmanaged code */
7215 mono_mb_emit_ldloc (mb, loc);
7216 mono_mb_emit_icall (mb, mono_marshal_free);
7217 mono_mb_patch_branch (mb, pos);
7221 case MARSHAL_ACTION_MANAGED_CONV_IN:
7222 conv_arg = mono_mb_add_local (mb, &klass->byval_arg);
7224 if (klass->delegate) {
7225 g_assert (!t->byref);
7226 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
7227 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
7228 mono_mb_emit_ldarg (mb, argnum);
7229 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_FTN_DEL));
7230 mono_mb_emit_stloc (mb, conv_arg);
7234 if (klass == mono_defaults.stringbuilder_class) {
7235 MonoMarshalNative encoding;
7237 encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
7240 g_assert (encoding == MONO_NATIVE_LPSTR);
7242 g_assert (!t->byref);
7243 g_assert (encoding != -1);
7245 mono_mb_emit_ldarg (mb, argnum);
7246 mono_mb_emit_icall (mb, mono_string_utf8_to_builder2);
7247 mono_mb_emit_stloc (mb, conv_arg);
7251 /* The class can not have an automatic layout */
7252 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
7253 mono_mb_emit_auto_layout_exception (mb, klass);
7257 if (t->attrs & PARAM_ATTRIBUTE_OUT) {
7258 mono_mb_emit_byte (mb, CEE_LDNULL);
7259 mono_mb_emit_stloc (mb, conv_arg);
7264 mono_mb_emit_ldarg (mb, argnum);
7268 /* Check for NULL and raise an exception */
7269 pos2 = mono_mb_emit_branch (mb, CEE_BRTRUE);
7271 mono_mb_emit_exception (mb, "ArgumentNullException", NULL);
7273 mono_mb_patch_branch (mb, pos2);
7274 mono_mb_emit_ldarg (mb, argnum);
7275 mono_mb_emit_byte (mb, CEE_LDIND_I);
7278 mono_mb_emit_stloc (mb, 0);
7280 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7281 mono_mb_emit_stloc (mb, conv_arg);
7283 mono_mb_emit_ldloc (mb, 0);
7284 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
7286 /* Create and set dst */
7287 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
7288 mono_mb_emit_op (mb, CEE_MONO_NEWOBJ, klass);
7289 mono_mb_emit_stloc (mb, conv_arg);
7290 mono_mb_emit_ldloc (mb, conv_arg);
7291 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
7292 mono_mb_emit_stloc (mb, 1);
7294 /* emit valuetype conversion code */
7295 emit_struct_conv (mb, klass, TRUE);
7297 mono_mb_patch_branch (mb, pos);
7300 case MARSHAL_ACTION_MANAGED_CONV_OUT:
7302 /* Check for null */
7303 mono_mb_emit_ldloc (mb, conv_arg);
7304 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
7305 mono_mb_emit_ldarg (mb, argnum);
7306 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7307 mono_mb_emit_byte (mb, CEE_STIND_REF);
7308 pos2 = mono_mb_emit_branch (mb, CEE_BR);
7310 mono_mb_patch_branch (mb, pos);
7313 mono_mb_emit_ldloc (mb, conv_arg);
7314 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
7315 mono_mb_emit_stloc (mb, 0);
7317 /* Allocate and set dest */
7318 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
7319 mono_mb_emit_byte (mb, CEE_CONV_I);
7320 mono_mb_emit_icall (mb, mono_marshal_alloc);
7321 mono_mb_emit_stloc (mb, 1);
7323 /* Update argument pointer */
7324 mono_mb_emit_ldarg (mb, argnum);
7325 mono_mb_emit_ldloc (mb, 1);
7326 mono_mb_emit_byte (mb, CEE_STIND_I);
7328 /* emit valuetype conversion code */
7329 emit_struct_conv (mb, klass, FALSE);
7331 mono_mb_patch_branch (mb, pos2);
7333 /* byval [Out] marshalling */
7335 /* FIXME: Handle null */
7338 mono_mb_emit_ldloc (mb, conv_arg);
7339 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
7340 mono_mb_emit_stloc (mb, 0);
7343 mono_mb_emit_ldarg (mb, argnum);
7344 mono_mb_emit_stloc (mb, 1);
7346 /* emit valuetype conversion code */
7347 emit_struct_conv (mb, klass, FALSE);
7351 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
7352 if (klass->delegate) {
7353 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_DEL_FTN));
7354 mono_mb_emit_stloc (mb, 3);
7358 /* The class can not have an automatic layout */
7359 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
7360 mono_mb_emit_auto_layout_exception (mb, klass);
7364 mono_mb_emit_stloc (mb, 0);
7365 /* Check for null */
7366 mono_mb_emit_ldloc (mb, 0);
7367 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
7368 mono_mb_emit_byte (mb, CEE_LDNULL);
7369 mono_mb_emit_stloc (mb, 3);
7370 pos2 = mono_mb_emit_branch (mb, CEE_BR);
7372 mono_mb_patch_branch (mb, pos);
7375 mono_mb_emit_ldloc (mb, 0);
7376 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
7377 mono_mb_emit_stloc (mb, 0);
7379 /* Allocate and set dest */
7380 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
7381 mono_mb_emit_byte (mb, CEE_CONV_I);
7382 mono_mb_emit_icall (mb, mono_marshal_alloc);
7383 mono_mb_emit_byte (mb, CEE_DUP);
7384 mono_mb_emit_stloc (mb, 1);
7385 mono_mb_emit_stloc (mb, 3);
7387 emit_struct_conv (mb, klass, FALSE);
7389 mono_mb_patch_branch (mb, pos2);
7393 g_assert_not_reached ();
7404 emit_marshal_variant (EmitMarshalContext *m, int argnum, MonoType *t,
7405 MonoMarshalSpec *spec,
7406 int conv_arg, MonoType **conv_arg_type,
7407 MarshalAction action)
7409 MonoMethodBuilder *mb = m->mb;
7410 static MonoMethod *get_object_for_native_variant = NULL;
7411 static MonoMethod *get_native_variant_for_object = NULL;
7413 if (!get_object_for_native_variant)
7414 get_object_for_native_variant = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetObjectForNativeVariant", 1);
7415 g_assert (get_object_for_native_variant);
7417 if (!get_native_variant_for_object)
7418 get_native_variant_for_object = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetNativeVariantForObject", 2);
7419 g_assert (get_native_variant_for_object);
7422 case MARSHAL_ACTION_CONV_IN: {
7423 conv_arg = mono_mb_add_local (mb, &mono_class_get_variant_class ()->byval_arg);
7426 *conv_arg_type = &mono_class_get_variant_class ()->this_arg;
7428 *conv_arg_type = &mono_class_get_variant_class ()->byval_arg;
7430 if (t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && t->attrs & PARAM_ATTRIBUTE_OUT)
7433 mono_mb_emit_ldarg (mb, argnum);
7435 mono_mb_emit_byte(mb, CEE_LDIND_REF);
7436 mono_mb_emit_ldloc_addr (mb, conv_arg);
7437 mono_mb_emit_managed_call (mb, get_native_variant_for_object, NULL);
7441 case MARSHAL_ACTION_CONV_OUT: {
7442 static MonoMethod *variant_clear = NULL;
7445 variant_clear = mono_class_get_method_from_name (mono_class_get_variant_class (), "Clear", 0);
7446 g_assert (variant_clear);
7449 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT || !(t->attrs & PARAM_ATTRIBUTE_IN))) {
7450 mono_mb_emit_ldarg (mb, argnum);
7451 mono_mb_emit_ldloc_addr (mb, conv_arg);
7452 mono_mb_emit_managed_call (mb, get_object_for_native_variant, NULL);
7453 mono_mb_emit_byte (mb, CEE_STIND_REF);
7456 mono_mb_emit_ldloc_addr (mb, conv_arg);
7457 mono_mb_emit_managed_call (mb, variant_clear, NULL);
7461 case MARSHAL_ACTION_PUSH:
7463 mono_mb_emit_ldloc_addr (mb, conv_arg);
7465 mono_mb_emit_ldloc (mb, conv_arg);
7468 case MARSHAL_ACTION_CONV_RESULT: {
7469 char *msg = g_strdup ("Marshalling of VARIANT not supported as a return type.");
7470 mono_mb_emit_exception_marshal_directive (mb, msg);
7474 case MARSHAL_ACTION_MANAGED_CONV_IN: {
7475 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
7478 *conv_arg_type = &mono_class_get_variant_class ()->this_arg;
7480 *conv_arg_type = &mono_class_get_variant_class ()->byval_arg;
7482 if (t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && t->attrs & PARAM_ATTRIBUTE_OUT)
7486 mono_mb_emit_ldarg (mb, argnum);
7488 mono_mb_emit_ldarg_addr (mb, argnum);
7489 mono_mb_emit_managed_call (mb, get_object_for_native_variant, NULL);
7490 mono_mb_emit_stloc (mb, conv_arg);
7494 case MARSHAL_ACTION_MANAGED_CONV_OUT: {
7495 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT || !(t->attrs & PARAM_ATTRIBUTE_IN))) {
7496 mono_mb_emit_ldloc (mb, conv_arg);
7497 mono_mb_emit_ldarg (mb, argnum);
7498 mono_mb_emit_managed_call (mb, get_native_variant_for_object, NULL);
7503 case MARSHAL_ACTION_MANAGED_CONV_RESULT: {
7504 char *msg = g_strdup ("Marshalling of VARIANT not supported as a return type.");
7505 mono_mb_emit_exception_marshal_directive (mb, msg);
7510 g_assert_not_reached ();
7516 #endif /* DISABLE_COM */
7517 #endif /* DISABLE_JIT */
7520 mono_pinvoke_is_unicode (MonoMethodPInvoke *piinfo)
7522 switch (piinfo->piflags & PINVOKE_ATTRIBUTE_CHAR_SET_MASK) {
7523 case PINVOKE_ATTRIBUTE_CHAR_SET_ANSI:
7525 case PINVOKE_ATTRIBUTE_CHAR_SET_UNICODE:
7527 case PINVOKE_ATTRIBUTE_CHAR_SET_AUTO:
7539 emit_marshal_array (EmitMarshalContext *m, int argnum, MonoType *t,
7540 MonoMarshalSpec *spec,
7541 int conv_arg, MonoType **conv_arg_type,
7542 MarshalAction action)
7546 case MARSHAL_ACTION_CONV_IN:
7547 *conv_arg_type = &mono_defaults.object_class->byval_arg;
7549 case MARSHAL_ACTION_MANAGED_CONV_IN:
7550 *conv_arg_type = &mono_defaults.int_class->byval_arg;
7554 MonoMethodBuilder *mb = m->mb;
7555 MonoClass *klass = mono_class_from_mono_type (t);
7556 gboolean need_convert, need_free;
7557 MonoMarshalNative encoding;
7559 encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
7562 case MARSHAL_ACTION_CONV_IN:
7563 *conv_arg_type = &mono_defaults.object_class->byval_arg;
7564 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
7566 if (klass->element_class->blittable) {
7567 mono_mb_emit_ldarg (mb, argnum);
7569 mono_mb_emit_byte (mb, CEE_LDIND_I);
7570 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_ARRAY_LPARRAY));
7571 mono_mb_emit_stloc (mb, conv_arg);
7574 guint32 label1, label2, label3;
7575 int index_var, src_var, dest_ptr, esize;
7576 MonoMarshalConv conv;
7577 gboolean is_string = FALSE;
7579 dest_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7581 eklass = klass->element_class;
7583 if (eklass == mono_defaults.string_class) {
7585 conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
7587 else if (eklass == mono_defaults.stringbuilder_class) {
7589 conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
7594 if (is_string && conv == -1) {
7595 char *msg = g_strdup_printf ("string/stringbuilder marshalling conversion %d not implemented", encoding);
7596 mono_mb_emit_exception_marshal_directive (mb, msg);
7600 src_var = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
7601 mono_mb_emit_ldarg (mb, argnum);
7603 mono_mb_emit_byte (mb, CEE_LDIND_I);
7604 mono_mb_emit_stloc (mb, src_var);
7607 mono_mb_emit_ldloc (mb, src_var);
7608 mono_mb_emit_stloc (mb, conv_arg);
7609 mono_mb_emit_ldloc (mb, src_var);
7610 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
7613 esize = sizeof (gpointer);
7614 else if (eklass == mono_defaults.char_class) /*can't call mono_marshal_type_size since it causes all sorts of asserts*/
7615 esize = mono_pinvoke_is_unicode (m->piinfo) ? 2 : 1;
7617 esize = mono_class_native_size (eklass, NULL);
7619 /* allocate space for the native struct and store the address */
7620 mono_mb_emit_icon (mb, esize);
7621 mono_mb_emit_ldloc (mb, src_var);
7622 mono_mb_emit_byte (mb, CEE_LDLEN);
7624 if (eklass == mono_defaults.string_class) {
7625 /* Make the array bigger for the terminating null */
7626 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
7627 mono_mb_emit_byte (mb, CEE_ADD);
7629 mono_mb_emit_byte (mb, CEE_MUL);
7630 mono_mb_emit_byte (mb, CEE_PREFIX1);
7631 mono_mb_emit_byte (mb, CEE_LOCALLOC);
7632 mono_mb_emit_stloc (mb, conv_arg);
7634 mono_mb_emit_ldloc (mb, conv_arg);
7635 mono_mb_emit_stloc (mb, dest_ptr);
7637 /* Emit marshalling loop */
7638 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7639 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7640 mono_mb_emit_stloc (mb, index_var);
7641 label2 = mono_mb_get_label (mb);
7642 mono_mb_emit_ldloc (mb, index_var);
7643 mono_mb_emit_ldloc (mb, src_var);
7644 mono_mb_emit_byte (mb, CEE_LDLEN);
7645 label3 = mono_mb_emit_branch (mb, CEE_BGE);
7647 /* Emit marshalling code */
7650 mono_mb_emit_ldloc (mb, dest_ptr);
7651 mono_mb_emit_ldloc (mb, src_var);
7652 mono_mb_emit_ldloc (mb, index_var);
7653 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
7654 mono_mb_emit_icall (mb, conv_to_icall (conv));
7655 mono_mb_emit_byte (mb, CEE_STIND_I);
7657 /* set the src_ptr */
7658 mono_mb_emit_ldloc (mb, src_var);
7659 mono_mb_emit_ldloc (mb, index_var);
7660 mono_mb_emit_op (mb, CEE_LDELEMA, eklass);
7661 mono_mb_emit_stloc (mb, 0);
7664 mono_mb_emit_ldloc (mb, dest_ptr);
7665 mono_mb_emit_stloc (mb, 1);
7667 /* emit valuetype conversion code */
7668 emit_struct_conv_full (mb, eklass, FALSE, eklass == mono_defaults.char_class ? encoding : -1);
7671 mono_mb_emit_add_to_local (mb, index_var, 1);
7672 mono_mb_emit_add_to_local (mb, dest_ptr, esize);
7674 mono_mb_emit_branch_label (mb, CEE_BR, label2);
7676 mono_mb_patch_branch (mb, label3);
7678 if (eklass == mono_defaults.string_class) {
7679 /* Null terminate */
7680 mono_mb_emit_ldloc (mb, dest_ptr);
7681 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7682 mono_mb_emit_byte (mb, CEE_STIND_REF);
7685 mono_mb_patch_branch (mb, label1);
7690 case MARSHAL_ACTION_CONV_OUT:
7691 /* Unicode character arrays are implicitly marshalled as [Out] under MS.NET */
7692 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);
7693 need_free = mono_marshal_need_free (&klass->element_class->byval_arg,
7696 if (need_convert || need_free) {
7697 /* FIXME: Optimize blittable case */
7699 guint32 label1, label2, label3;
7700 int index_var, src_ptr, loc, esize;
7702 eklass = klass->element_class;
7703 if ((eklass == mono_defaults.stringbuilder_class) || (eklass == mono_defaults.string_class))
7704 esize = sizeof (gpointer);
7705 else if (eklass == mono_defaults.char_class)
7706 esize = mono_pinvoke_is_unicode (m->piinfo) ? 2 : 1;
7708 esize = mono_class_native_size (eklass, NULL);
7709 src_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7710 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7713 mono_mb_emit_ldarg (mb, argnum);
7715 mono_mb_emit_byte (mb, CEE_LDIND_I);
7716 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
7718 mono_mb_emit_ldloc (mb, conv_arg);
7719 mono_mb_emit_stloc (mb, src_ptr);
7721 /* Emit marshalling loop */
7722 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7723 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7724 mono_mb_emit_stloc (mb, index_var);
7725 label2 = mono_mb_get_label (mb);
7726 mono_mb_emit_ldloc (mb, index_var);
7727 mono_mb_emit_ldarg (mb, argnum);
7729 mono_mb_emit_byte (mb, CEE_LDIND_REF);
7730 mono_mb_emit_byte (mb, CEE_LDLEN);
7731 label3 = mono_mb_emit_branch (mb, CEE_BGE);
7733 /* Emit marshalling code */
7735 if (eklass == mono_defaults.stringbuilder_class) {
7736 gboolean need_free2;
7737 MonoMarshalConv conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free2);
7739 g_assert (conv != -1);
7742 mono_mb_emit_ldarg (mb, argnum);
7744 mono_mb_emit_byte (mb, CEE_LDIND_I);
7745 mono_mb_emit_ldloc (mb, index_var);
7746 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
7749 mono_mb_emit_ldloc (mb, src_ptr);
7750 mono_mb_emit_byte (mb, CEE_LDIND_I);
7752 mono_mb_emit_icall (mb, conv_to_icall (conv));
7756 mono_mb_emit_ldloc (mb, src_ptr);
7757 mono_mb_emit_byte (mb, CEE_LDIND_I);
7759 mono_mb_emit_icall (mb, mono_marshal_free);
7762 else if (eklass == mono_defaults.string_class) {
7765 mono_mb_emit_ldloc (mb, src_ptr);
7766 mono_mb_emit_byte (mb, CEE_LDIND_I);
7768 mono_mb_emit_icall (mb, mono_marshal_free);
7773 /* set the src_ptr */
7774 mono_mb_emit_ldloc (mb, src_ptr);
7775 mono_mb_emit_stloc (mb, 0);
7778 mono_mb_emit_ldarg (mb, argnum);
7780 mono_mb_emit_byte (mb, CEE_LDIND_REF);
7781 mono_mb_emit_ldloc (mb, index_var);
7782 mono_mb_emit_op (mb, CEE_LDELEMA, eklass);
7783 mono_mb_emit_stloc (mb, 1);
7785 /* emit valuetype conversion code */
7786 emit_struct_conv_full (mb, eklass, TRUE, eklass == mono_defaults.char_class ? encoding : -1);
7790 mono_mb_emit_ldloc (mb, src_ptr);
7791 mono_mb_emit_stloc (mb, loc);
7792 mono_mb_emit_ldloc (mb, loc);
7794 emit_struct_free (mb, eklass, loc);
7798 mono_mb_emit_add_to_local (mb, index_var, 1);
7799 mono_mb_emit_add_to_local (mb, src_ptr, esize);
7801 mono_mb_emit_branch_label (mb, CEE_BR, label2);
7803 mono_mb_patch_branch (mb, label1);
7804 mono_mb_patch_branch (mb, label3);
7807 if (klass->element_class->blittable) {
7808 /* free memory allocated (if any) by MONO_MARSHAL_CONV_ARRAY_LPARRAY */
7810 mono_mb_emit_ldarg (mb, argnum);
7811 mono_mb_emit_ldloc (mb, conv_arg);
7812 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_FREE_LPARRAY));
7817 case MARSHAL_ACTION_PUSH:
7819 mono_mb_emit_ldloc_addr (mb, conv_arg);
7821 mono_mb_emit_ldloc (mb, conv_arg);
7824 case MARSHAL_ACTION_CONV_RESULT:
7825 /* fixme: we need conversions here */
7826 mono_mb_emit_stloc (mb, 3);
7829 case MARSHAL_ACTION_MANAGED_CONV_IN: {
7831 guint32 label1, label2, label3;
7832 int index_var, src_ptr, loc, esize, param_num, num_elem;
7833 MonoMarshalConv conv;
7834 gboolean is_string = FALSE;
7836 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
7837 *conv_arg_type = &mono_defaults.int_class->byval_arg;
7840 char *msg = g_strdup ("Byref array marshalling to managed code is not implemented.");
7841 mono_mb_emit_exception_marshal_directive (mb, msg);
7845 char *msg = g_strdup ("[MarshalAs] attribute required to marshal arrays to managed code.");
7846 mono_mb_emit_exception_marshal_directive (mb, msg);
7849 if (spec->native != MONO_NATIVE_LPARRAY) {
7850 char *msg = g_strdup ("Non LPArray marshalling of arrays to managed code is not implemented.");
7851 mono_mb_emit_exception_marshal_directive (mb, msg);
7855 /* FIXME: t is from the method which is wrapped, not the delegate type */
7856 /* g_assert (t->attrs & PARAM_ATTRIBUTE_IN); */
7858 param_num = spec->data.array_data.param_num;
7859 num_elem = spec->data.array_data.num_elem;
7860 if (spec->data.array_data.elem_mult == 0)
7861 /* param_num is not specified */
7864 if (param_num == -1) {
7865 if (num_elem <= 0) {
7866 char *msg = g_strdup ("Either SizeConst or SizeParamIndex should be specified when marshalling arrays to managed code.");
7867 mono_mb_emit_exception_marshal_directive (mb, msg);
7872 /* FIXME: Optimize blittable case */
7874 eklass = klass->element_class;
7875 if (eklass == mono_defaults.string_class) {
7877 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
7879 else if (eklass == mono_defaults.stringbuilder_class) {
7881 conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free);
7886 mono_marshal_load_type_info (eklass);
7889 esize = sizeof (gpointer);
7891 esize = mono_class_native_size (eklass, NULL);
7892 src_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7893 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7895 mono_mb_emit_byte (mb, CEE_LDNULL);
7896 mono_mb_emit_stloc (mb, conv_arg);
7898 /* Check param index */
7899 if (param_num != -1) {
7900 if (param_num >= m->sig->param_count) {
7901 char *msg = g_strdup ("Array size control parameter index is out of range.");
7902 mono_mb_emit_exception_marshal_directive (mb, msg);
7905 switch (m->sig->params [param_num]->type) {
7918 char *msg = g_strdup ("Array size control parameter must be an integral type.");
7919 mono_mb_emit_exception_marshal_directive (mb, msg);
7926 mono_mb_emit_ldarg (mb, argnum);
7927 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
7929 mono_mb_emit_ldarg (mb, argnum);
7930 mono_mb_emit_stloc (mb, src_ptr);
7932 /* Create managed array */
7934 * The LPArray marshalling spec says that sometimes param_num starts
7935 * from 1, sometimes it starts from 0. But MS seems to allways start
7939 if (param_num == -1) {
7940 mono_mb_emit_icon (mb, num_elem);
7942 mono_mb_emit_ldarg (mb, param_num);
7944 mono_mb_emit_icon (mb, num_elem);
7945 mono_mb_emit_byte (mb, CEE_ADD);
7947 mono_mb_emit_byte (mb, CEE_CONV_OVF_I);
7950 mono_mb_emit_op (mb, CEE_NEWARR, eklass);
7951 mono_mb_emit_stloc (mb, conv_arg);
7953 if (eklass->blittable) {
7954 mono_mb_emit_ldloc (mb, conv_arg);
7955 mono_mb_emit_byte (mb, CEE_CONV_I);
7956 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArray, vector));
7957 mono_mb_emit_byte (mb, CEE_ADD);
7958 mono_mb_emit_ldarg (mb, argnum);
7959 mono_mb_emit_ldloc (mb, conv_arg);
7960 mono_mb_emit_byte (mb, CEE_LDLEN);
7961 mono_mb_emit_icon (mb, esize);
7962 mono_mb_emit_byte (mb, CEE_MUL);
7963 mono_mb_emit_byte (mb, CEE_PREFIX1);
7964 mono_mb_emit_byte (mb, CEE_CPBLK);
7968 /* Emit marshalling loop */
7969 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7970 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7971 mono_mb_emit_stloc (mb, index_var);
7972 label2 = mono_mb_get_label (mb);
7973 mono_mb_emit_ldloc (mb, index_var);
7974 mono_mb_emit_ldloc (mb, conv_arg);
7975 mono_mb_emit_byte (mb, CEE_LDLEN);
7976 label3 = mono_mb_emit_branch (mb, CEE_BGE);
7978 /* Emit marshalling code */
7980 g_assert (conv != -1);
7982 mono_mb_emit_ldloc (mb, conv_arg);
7983 mono_mb_emit_ldloc (mb, index_var);
7985 mono_mb_emit_ldloc (mb, src_ptr);
7986 mono_mb_emit_byte (mb, CEE_LDIND_I);
7988 mono_mb_emit_icall (mb, conv_to_icall (conv));
7989 mono_mb_emit_byte (mb, CEE_STELEM_REF);
7992 char *msg = g_strdup ("Marshalling of non-string and non-blittable arrays to managed code is not implemented.");
7993 mono_mb_emit_exception_marshal_directive (mb, msg);
7997 mono_mb_emit_add_to_local (mb, index_var, 1);
7998 mono_mb_emit_add_to_local (mb, src_ptr, esize);
8000 mono_mb_emit_branch_label (mb, CEE_BR, label2);
8002 mono_mb_patch_branch (mb, label1);
8003 mono_mb_patch_branch (mb, label3);
8007 case MARSHAL_ACTION_MANAGED_CONV_OUT: {
8009 guint32 label1, label2, label3;
8010 int index_var, dest_ptr, loc, esize, param_num, num_elem;
8011 MonoMarshalConv conv;
8012 gboolean is_string = FALSE;
8015 /* Already handled in CONV_IN */
8018 /* These are already checked in CONV_IN */
8019 g_assert (!t->byref);
8020 g_assert (spec->native == MONO_NATIVE_LPARRAY);
8021 g_assert (t->attrs & PARAM_ATTRIBUTE_OUT);
8023 param_num = spec->data.array_data.param_num;
8024 num_elem = spec->data.array_data.num_elem;
8026 if (spec->data.array_data.elem_mult == 0)
8027 /* param_num is not specified */
8030 if (param_num == -1) {
8031 if (num_elem <= 0) {
8032 g_assert_not_reached ();
8036 /* FIXME: Optimize blittable case */
8038 eklass = klass->element_class;
8039 if (eklass == mono_defaults.string_class) {
8041 conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
8043 else if (eklass == mono_defaults.stringbuilder_class) {
8045 conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
8050 mono_marshal_load_type_info (eklass);
8053 esize = sizeof (gpointer);
8055 esize = mono_class_native_size (eklass, NULL);
8057 dest_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8058 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8061 mono_mb_emit_ldloc (mb, conv_arg);
8062 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
8064 mono_mb_emit_ldarg (mb, argnum);
8065 mono_mb_emit_stloc (mb, dest_ptr);
8067 if (eklass->blittable) {
8069 mono_mb_emit_ldarg (mb, argnum);
8071 mono_mb_emit_ldloc (mb, conv_arg);
8072 mono_mb_emit_byte (mb, CEE_CONV_I);
8073 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArray, vector));
8074 mono_mb_emit_byte (mb, CEE_ADD);
8076 mono_mb_emit_ldloc (mb, conv_arg);
8077 mono_mb_emit_byte (mb, CEE_LDLEN);
8078 mono_mb_emit_icon (mb, esize);
8079 mono_mb_emit_byte (mb, CEE_MUL);
8080 mono_mb_emit_byte (mb, CEE_PREFIX1);
8081 mono_mb_emit_byte (mb, CEE_CPBLK);
8085 /* Emit marshalling loop */
8086 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8087 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
8088 mono_mb_emit_stloc (mb, index_var);
8089 label2 = mono_mb_get_label (mb);
8090 mono_mb_emit_ldloc (mb, index_var);
8091 mono_mb_emit_ldloc (mb, conv_arg);
8092 mono_mb_emit_byte (mb, CEE_LDLEN);
8093 label3 = mono_mb_emit_branch (mb, CEE_BGE);
8095 /* Emit marshalling code */
8097 g_assert (conv != -1);
8100 mono_mb_emit_ldloc (mb, dest_ptr);
8103 mono_mb_emit_ldloc (mb, conv_arg);
8104 mono_mb_emit_ldloc (mb, index_var);
8106 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
8108 mono_mb_emit_icall (mb, conv_to_icall (conv));
8109 mono_mb_emit_byte (mb, CEE_STIND_I);
8112 char *msg = g_strdup ("Marshalling of non-string and non-blittable arrays to managed code is not implemented.");
8113 mono_mb_emit_exception_marshal_directive (mb, msg);
8117 mono_mb_emit_add_to_local (mb, index_var, 1);
8118 mono_mb_emit_add_to_local (mb, dest_ptr, esize);
8120 mono_mb_emit_branch_label (mb, CEE_BR, label2);
8122 mono_mb_patch_branch (mb, label1);
8123 mono_mb_patch_branch (mb, label3);
8127 case MARSHAL_ACTION_MANAGED_CONV_RESULT: {
8129 guint32 label1, label2, label3;
8130 int index_var, src, dest, esize;
8131 MonoMarshalConv conv = -1;
8132 gboolean is_string = FALSE;
8134 g_assert (!t->byref);
8136 eklass = klass->element_class;
8138 mono_marshal_load_type_info (eklass);
8140 if (eklass == mono_defaults.string_class) {
8142 conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
8145 g_assert_not_reached ();
8149 esize = sizeof (gpointer);
8150 else if (eklass == mono_defaults.char_class)
8151 esize = mono_pinvoke_is_unicode (m->piinfo) ? 2 : 1;
8153 esize = mono_class_native_size (eklass, NULL);
8155 src = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
8156 dest = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8158 mono_mb_emit_stloc (mb, src);
8159 mono_mb_emit_ldloc (mb, src);
8160 mono_mb_emit_stloc (mb, 3);
8162 /* Check for null */
8163 mono_mb_emit_ldloc (mb, src);
8164 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
8166 /* Allocate native array */
8167 mono_mb_emit_icon (mb, esize);
8168 mono_mb_emit_ldloc (mb, src);
8169 mono_mb_emit_byte (mb, CEE_LDLEN);
8171 if (eklass == mono_defaults.string_class) {
8172 /* Make the array bigger for the terminating null */
8173 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
8174 mono_mb_emit_byte (mb, CEE_ADD);
8176 mono_mb_emit_byte (mb, CEE_MUL);
8177 mono_mb_emit_icall (mb, mono_marshal_alloc);
8178 mono_mb_emit_stloc (mb, dest);
8179 mono_mb_emit_ldloc (mb, dest);
8180 mono_mb_emit_stloc (mb, 3);
8182 /* Emit marshalling loop */
8183 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8184 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
8185 mono_mb_emit_stloc (mb, index_var);
8186 label2 = mono_mb_get_label (mb);
8187 mono_mb_emit_ldloc (mb, index_var);
8188 mono_mb_emit_ldloc (mb, src);
8189 mono_mb_emit_byte (mb, CEE_LDLEN);
8190 label3 = mono_mb_emit_branch (mb, CEE_BGE);
8192 /* Emit marshalling code */
8194 g_assert (conv != -1);
8197 mono_mb_emit_ldloc (mb, dest);
8200 mono_mb_emit_ldloc (mb, src);
8201 mono_mb_emit_ldloc (mb, index_var);
8203 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
8205 mono_mb_emit_icall (mb, conv_to_icall (conv));
8206 mono_mb_emit_byte (mb, CEE_STIND_I);
8209 char *msg = g_strdup ("Marshalling of non-string arrays to managed code is not implemented.");
8210 mono_mb_emit_exception_marshal_directive (mb, msg);
8214 mono_mb_emit_add_to_local (mb, index_var, 1);
8215 mono_mb_emit_add_to_local (mb, dest, esize);
8217 mono_mb_emit_branch_label (mb, CEE_BR, label2);
8219 mono_mb_patch_branch (mb, label3);
8220 mono_mb_patch_branch (mb, label1);
8224 g_assert_not_reached ();
8231 marshal_boolean_conv_in_get_local_type (MonoMarshalSpec *spec, guint8 *ldc_op /*out*/)
8234 return &mono_defaults.int32_class->byval_arg;
8236 switch (spec->native) {
8237 case MONO_NATIVE_I1:
8238 case MONO_NATIVE_U1:
8239 return &mono_defaults.byte_class->byval_arg;
8240 case MONO_NATIVE_VARIANTBOOL:
8241 if (ldc_op) *ldc_op = CEE_LDC_I4_M1;
8242 return &mono_defaults.int16_class->byval_arg;
8243 case MONO_NATIVE_BOOLEAN:
8244 return &mono_defaults.int32_class->byval_arg;
8246 g_warning ("marshalling bool as native type %x is currently not supported", spec->native);
8247 return &mono_defaults.int32_class->byval_arg;
8253 marshal_boolean_managed_conv_in_get_conv_arg_class (MonoMarshalSpec *spec, guint8 *ldop/*out*/)
8255 MonoClass* conv_arg_class = mono_defaults.int32_class;
8257 switch (spec->native) {
8258 case MONO_NATIVE_I1:
8259 case MONO_NATIVE_U1:
8260 conv_arg_class = mono_defaults.byte_class;
8261 if (ldop) *ldop = CEE_LDIND_I1;
8263 case MONO_NATIVE_VARIANTBOOL:
8264 conv_arg_class = mono_defaults.int16_class;
8265 if (ldop) *ldop = CEE_LDIND_I2;
8267 case MONO_NATIVE_BOOLEAN:
8270 g_warning ("marshalling bool as native type %x is currently not supported", spec->native);
8273 return conv_arg_class;
8277 emit_marshal_boolean (EmitMarshalContext *m, int argnum, MonoType *t,
8278 MonoMarshalSpec *spec,
8279 int conv_arg, MonoType **conv_arg_type,
8280 MarshalAction action)
8284 case MARSHAL_ACTION_CONV_IN:
8286 *conv_arg_type = &mono_defaults.int_class->byval_arg;
8288 *conv_arg_type = marshal_boolean_conv_in_get_local_type (spec, NULL);
8291 case MARSHAL_ACTION_MANAGED_CONV_IN: {
8292 MonoClass* conv_arg_class = marshal_boolean_managed_conv_in_get_conv_arg_class (spec, NULL);
8294 *conv_arg_type = &conv_arg_class->this_arg;
8296 *conv_arg_type = &conv_arg_class->byval_arg;
8302 MonoMethodBuilder *mb = m->mb;
8305 case MARSHAL_ACTION_CONV_IN: {
8306 MonoType *local_type;
8308 guint8 ldc_op = CEE_LDC_I4_1;
8310 local_type = marshal_boolean_conv_in_get_local_type (spec, &ldc_op);
8312 *conv_arg_type = &mono_defaults.int_class->byval_arg;
8314 *conv_arg_type = local_type;
8315 conv_arg = mono_mb_add_local (mb, local_type);
8317 mono_mb_emit_ldarg (mb, argnum);
8319 mono_mb_emit_byte (mb, CEE_LDIND_I1);
8320 label_false = mono_mb_emit_branch (mb, CEE_BRFALSE);
8321 mono_mb_emit_byte (mb, ldc_op);
8322 mono_mb_emit_stloc (mb, conv_arg);
8323 mono_mb_patch_branch (mb, label_false);
8328 case MARSHAL_ACTION_CONV_OUT:
8330 int label_false, label_end;
8334 mono_mb_emit_ldarg (mb, argnum);
8335 mono_mb_emit_ldloc (mb, conv_arg);
8337 label_false = mono_mb_emit_branch (mb, CEE_BRFALSE);
8338 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
8340 label_end = mono_mb_emit_branch (mb, CEE_BR);
8341 mono_mb_patch_branch (mb, label_false);
8342 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
8343 mono_mb_patch_branch (mb, label_end);
8345 mono_mb_emit_byte (mb, CEE_STIND_I1);
8349 case MARSHAL_ACTION_PUSH:
8351 mono_mb_emit_ldloc_addr (mb, conv_arg);
8353 mono_mb_emit_ldloc (mb, conv_arg);
8355 mono_mb_emit_ldarg (mb, argnum);
8358 case MARSHAL_ACTION_CONV_RESULT:
8359 /* maybe we need to make sure that it fits within 8 bits */
8360 mono_mb_emit_stloc (mb, 3);
8363 case MARSHAL_ACTION_MANAGED_CONV_IN: {
8364 MonoClass* conv_arg_class = mono_defaults.int32_class;
8365 guint8 ldop = CEE_LDIND_I4;
8366 int label_null, label_false;
8368 conv_arg_class = marshal_boolean_managed_conv_in_get_conv_arg_class (spec, &ldop);
8369 conv_arg = mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
8372 *conv_arg_type = &conv_arg_class->this_arg;
8374 *conv_arg_type = &conv_arg_class->byval_arg;
8377 mono_mb_emit_ldarg (mb, argnum);
8381 label_null = mono_mb_emit_branch (mb, CEE_BRFALSE);
8382 mono_mb_emit_ldarg (mb, argnum);
8383 mono_mb_emit_byte (mb, ldop);
8387 label_false = mono_mb_emit_branch (mb, CEE_BRFALSE);
8388 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
8389 mono_mb_emit_stloc (mb, conv_arg);
8390 mono_mb_patch_branch (mb, label_false);
8393 mono_mb_patch_branch (mb, label_null);
8397 case MARSHAL_ACTION_MANAGED_CONV_OUT: {
8398 guint8 stop = CEE_STIND_I4;
8399 guint8 ldc_op = CEE_LDC_I4_1;
8400 int label_null,label_false, label_end;;
8405 switch (spec->native) {
8406 case MONO_NATIVE_I1:
8407 case MONO_NATIVE_U1:
8408 stop = CEE_STIND_I1;
8410 case MONO_NATIVE_VARIANTBOOL:
8411 stop = CEE_STIND_I2;
8412 ldc_op = CEE_LDC_I4_M1;
8420 mono_mb_emit_ldarg (mb, argnum);
8421 label_null = mono_mb_emit_branch (mb, CEE_BRFALSE);
8423 mono_mb_emit_ldarg (mb, argnum);
8424 mono_mb_emit_ldloc (mb, conv_arg);
8426 label_false = mono_mb_emit_branch (mb, CEE_BRFALSE);
8427 mono_mb_emit_byte (mb, ldc_op);
8428 label_end = mono_mb_emit_branch (mb, CEE_BR);
8430 mono_mb_patch_branch (mb, label_false);
8431 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
8432 mono_mb_patch_branch (mb, label_end);
8434 mono_mb_emit_byte (mb, stop);
8435 mono_mb_patch_branch (mb, label_null);
8440 g_assert_not_reached ();
8447 emit_marshal_ptr (EmitMarshalContext *m, int argnum, MonoType *t,
8448 MonoMarshalSpec *spec, int conv_arg,
8449 MonoType **conv_arg_type, MarshalAction action)
8452 MonoMethodBuilder *mb = m->mb;
8455 case MARSHAL_ACTION_CONV_IN:
8456 /* MS seems to allow this in some cases, ie. bxc #158 */
8458 if (MONO_TYPE_ISSTRUCT (t->data.type) && !mono_class_from_mono_type (t->data.type)->blittable) {
8459 char *msg = g_strdup_printf ("Can not marshal 'parameter #%d': Pointers can not reference marshaled structures. Use byref instead.", argnum + 1);
8460 mono_mb_emit_exception_marshal_directive (m->mb, msg);
8465 case MARSHAL_ACTION_PUSH:
8466 mono_mb_emit_ldarg (mb, argnum);
8469 case MARSHAL_ACTION_CONV_RESULT:
8470 /* no conversions necessary */
8471 mono_mb_emit_stloc (mb, 3);
8482 emit_marshal_char (EmitMarshalContext *m, int argnum, MonoType *t,
8483 MonoMarshalSpec *spec, int conv_arg,
8484 MonoType **conv_arg_type, MarshalAction action)
8487 MonoMethodBuilder *mb = m->mb;
8490 case MARSHAL_ACTION_PUSH:
8491 /* fixme: dont know how to marshal that. We cant simply
8492 * convert it to a one byte UTF8 character, because an
8493 * unicode character may need more that one byte in UTF8 */
8494 mono_mb_emit_ldarg (mb, argnum);
8497 case MARSHAL_ACTION_CONV_RESULT:
8498 /* fixme: we need conversions here */
8499 mono_mb_emit_stloc (mb, 3);
8510 emit_marshal_scalar (EmitMarshalContext *m, int argnum, MonoType *t,
8511 MonoMarshalSpec *spec, int conv_arg,
8512 MonoType **conv_arg_type, MarshalAction action)
8515 MonoMethodBuilder *mb = m->mb;
8518 case MARSHAL_ACTION_PUSH:
8519 mono_mb_emit_ldarg (mb, argnum);
8522 case MARSHAL_ACTION_CONV_RESULT:
8523 /* no conversions necessary */
8524 mono_mb_emit_stloc (mb, 3);
8535 emit_marshal (EmitMarshalContext *m, int argnum, MonoType *t,
8536 MonoMarshalSpec *spec, int conv_arg,
8537 MonoType **conv_arg_type, MarshalAction action)
8539 /* Ensure that we have marshalling info for this param */
8540 mono_marshal_load_type_info (mono_class_from_mono_type (t));
8542 if (spec && spec->native == MONO_NATIVE_CUSTOM)
8543 return emit_marshal_custom (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8545 if (spec && spec->native == MONO_NATIVE_ASANY)
8546 return emit_marshal_asany (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8549 case MONO_TYPE_VALUETYPE:
8550 if (t->data.klass == mono_defaults.handleref_class)
8551 return emit_marshal_handleref (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8553 return emit_marshal_vtype (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8554 case MONO_TYPE_STRING:
8555 return emit_marshal_string (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8556 case MONO_TYPE_CLASS:
8557 case MONO_TYPE_OBJECT:
8559 if (spec && spec->native == MONO_NATIVE_STRUCT)
8560 return emit_marshal_variant (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8562 if (spec && (spec->native == MONO_NATIVE_IUNKNOWN ||
8563 spec->native == MONO_NATIVE_IDISPATCH ||
8564 spec->native == MONO_NATIVE_INTERFACE))
8565 return mono_cominterop_emit_marshal_com_interface (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8566 if (spec && (spec->native == MONO_NATIVE_SAFEARRAY) &&
8567 (spec->data.safearray_data.elem_type == MONO_VARIANT_VARIANT) &&
8568 ((action == MARSHAL_ACTION_CONV_OUT) || (action == MARSHAL_ACTION_CONV_IN) || (action == MARSHAL_ACTION_PUSH)))
8569 return mono_cominterop_emit_marshal_safearray (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8572 if (mono_defaults.safehandle_class != NULL && t->data.klass &&
8573 mono_class_is_subclass_of (t->data.klass, mono_defaults.safehandle_class, FALSE))
8574 return emit_marshal_safehandle (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8576 return emit_marshal_object (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8577 case MONO_TYPE_ARRAY:
8578 case MONO_TYPE_SZARRAY:
8579 return emit_marshal_array (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8580 case MONO_TYPE_BOOLEAN:
8581 return emit_marshal_boolean (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8583 return emit_marshal_ptr (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8584 case MONO_TYPE_CHAR:
8585 return emit_marshal_char (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8598 case MONO_TYPE_FNPTR:
8599 return emit_marshal_scalar (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8600 case MONO_TYPE_GENERICINST:
8601 if (mono_type_generic_inst_is_valuetype (t))
8602 return emit_marshal_vtype (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8604 return emit_marshal_object (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8611 * mono_marshal_emit_native_wrapper:
8612 * @image: the image to use for looking up custom marshallers
8613 * @sig: The signature of the native function
8614 * @piinfo: Marshalling information
8615 * @mspecs: Marshalling information
8616 * @aot: whenever the created method will be compiled by the AOT compiler
8617 * @method: if non-NULL, the pinvoke method to call
8618 * @check_exceptions: Whenever to check for pending exceptions after the native call
8619 * @func_param: the function to call is passed as a boxed IntPtr as the first parameter
8621 * generates IL code for the pinvoke wrapper, the generated code calls @func.
8624 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)
8626 EmitMarshalContext m;
8627 MonoMethodSignature *csig;
8629 int i, argnum, *tmp_locals;
8630 int type, param_shift = 0;
8631 static MonoMethodSignature *get_last_error_sig = NULL;
8636 /* we copy the signature, so that we can set pinvoke to 0 */
8638 /* The function address is passed as the first argument */
8639 g_assert (!sig->hasthis);
8642 csig = signature_dup (mb->method->klass->image, sig);
8650 /* we allocate local for use with emit_struct_conv() */
8651 /* allocate local 0 (pointer) src_ptr */
8652 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8653 /* allocate local 1 (pointer) dst_ptr */
8654 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8655 /* allocate local 2 (boolean) delete_old */
8656 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
8658 /* delete_old = FALSE */
8659 mono_mb_emit_icon (mb, 0);
8660 mono_mb_emit_stloc (mb, 2);
8662 if (!MONO_TYPE_IS_VOID(sig->ret)) {
8663 /* allocate local 3 to store the return value */
8664 mono_mb_add_local (mb, sig->ret);
8667 if (mspecs [0] && mspecs [0]->native == MONO_NATIVE_CUSTOM) {
8668 /* Return type custom marshaling */
8670 * Since we can't determine the return type of the unmanaged function,
8671 * we assume it returns a pointer, and pass that pointer to
8672 * MarshalNativeToManaged.
8674 csig->ret = &mono_defaults.int_class->byval_arg;
8677 /* we first do all conversions */
8678 tmp_locals = alloca (sizeof (int) * sig->param_count);
8679 m.orig_conv_args = alloca (sizeof (int) * (sig->param_count + 1));
8681 for (i = 0; i < sig->param_count; i ++) {
8682 tmp_locals [i] = emit_marshal (&m, i + param_shift, sig->params [i], mspecs [i + 1], 0, &csig->params [i], MARSHAL_ACTION_CONV_IN);
8685 /* push all arguments */
8688 mono_mb_emit_byte (mb, CEE_LDARG_0);
8690 for (i = 0; i < sig->param_count; i++) {
8691 emit_marshal (&m, i + param_shift, sig->params [i], mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_PUSH);
8694 /* call the native method */
8696 mono_mb_emit_byte (mb, CEE_LDARG_0);
8697 mono_mb_emit_op (mb, CEE_UNBOX, mono_defaults.int_class);
8698 mono_mb_emit_byte (mb, CEE_LDIND_I);
8699 mono_mb_emit_calli (mb, csig);
8700 } else if (MONO_CLASS_IS_IMPORT (mb->method->klass)) {
8702 mono_mb_emit_cominterop_call (mb, csig, &piinfo->method);
8704 g_assert_not_reached ();
8709 /* Reuse the ICALL_ADDR opcode for pinvokes too */
8710 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
8711 mono_mb_emit_op (mb, CEE_MONO_ICALL_ADDR, &piinfo->method);
8712 mono_mb_emit_calli (mb, csig);
8714 mono_mb_emit_native_call (mb, csig, func);
8718 /* Set LastError if needed */
8719 if (piinfo->piflags & PINVOKE_ATTRIBUTE_SUPPORTS_LAST_ERROR) {
8720 if (!get_last_error_sig) {
8721 get_last_error_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
8722 get_last_error_sig->ret = &mono_defaults.int_class->byval_arg;
8723 get_last_error_sig->pinvoke = 1;
8728 * Have to call GetLastError () early and without a wrapper, since various runtime components could
8729 * clobber its value.
8731 mono_mb_emit_native_call (mb, get_last_error_sig, GetLastError);
8732 mono_mb_emit_icall (mb, mono_marshal_set_last_error_windows);
8734 mono_mb_emit_icall (mb, mono_marshal_set_last_error);
8738 /* convert the result */
8739 if (!sig->ret->byref) {
8740 MonoMarshalSpec *spec = mspecs [0];
8741 type = sig->ret->type;
8743 if (spec && spec->native == MONO_NATIVE_CUSTOM) {
8744 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
8749 case MONO_TYPE_VOID:
8751 case MONO_TYPE_VALUETYPE:
8752 klass = sig->ret->data.klass;
8753 if (klass->enumtype) {
8754 type = mono_class_enum_basetype (sig->ret->data.klass)->type;
8757 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
8771 case MONO_TYPE_FNPTR:
8772 case MONO_TYPE_STRING:
8773 case MONO_TYPE_CLASS:
8774 case MONO_TYPE_OBJECT:
8775 case MONO_TYPE_BOOLEAN:
8776 case MONO_TYPE_ARRAY:
8777 case MONO_TYPE_SZARRAY:
8778 case MONO_TYPE_CHAR:
8780 case MONO_TYPE_GENERICINST:
8781 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
8783 case MONO_TYPE_TYPEDBYREF:
8785 g_warning ("return type 0x%02x unknown", sig->ret->type);
8786 g_assert_not_reached ();
8790 mono_mb_emit_stloc (mb, 3);
8794 * Need to call this after converting the result since MONO_VTADDR needs
8795 * to be adjacent to the call instruction.
8797 if (check_exceptions)
8798 emit_thread_interrupt_checkpoint (mb);
8800 /* we need to convert byref arguments back and free string arrays */
8801 for (i = 0; i < sig->param_count; i++) {
8802 MonoType *t = sig->params [i];
8803 MonoMarshalSpec *spec = mspecs [i + 1];
8805 argnum = i + param_shift;
8807 if (spec && ((spec->native == MONO_NATIVE_CUSTOM) || (spec->native == MONO_NATIVE_ASANY))) {
8808 emit_marshal (&m, argnum, t, spec, tmp_locals [i], NULL, MARSHAL_ACTION_CONV_OUT);
8813 case MONO_TYPE_STRING:
8814 case MONO_TYPE_VALUETYPE:
8815 case MONO_TYPE_CLASS:
8816 case MONO_TYPE_OBJECT:
8817 case MONO_TYPE_SZARRAY:
8818 case MONO_TYPE_BOOLEAN:
8819 emit_marshal (&m, argnum, t, spec, tmp_locals [i], NULL, MARSHAL_ACTION_CONV_OUT);
8824 if (!MONO_TYPE_IS_VOID(sig->ret))
8825 mono_mb_emit_ldloc (mb, 3);
8827 mono_mb_emit_byte (mb, CEE_RET);
8829 #endif /* DISABLE_JIT */
8832 G_GNUC_UNUSED static void
8833 code_for (MonoMethod *method) {
8834 MonoMethodHeader *header = mono_method_get_header (method);
8835 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));
8839 * mono_marshal_get_native_wrapper:
8840 * @method: The MonoMethod to wrap.
8841 * @check_exceptions: Whenever to check for pending exceptions
8843 * generates IL code for the pinvoke wrapper (the generated method
8844 * calls the unmanaged code in piinfo->addr)
8845 * The wrapper info for the wrapper is a WrapperInfo structure.
8848 mono_marshal_get_native_wrapper (MonoMethod *method, gboolean check_exceptions, gboolean aot)
8850 MonoMethodSignature *sig, *csig;
8851 MonoMethodPInvoke *piinfo = (MonoMethodPInvoke *) method;
8852 MonoMethodBuilder *mb;
8853 MonoMarshalSpec **mspecs;
8856 gboolean pinvoke = FALSE;
8859 const char *exc_class = "MissingMethodException";
8860 const char *exc_arg = NULL;
8863 g_assert (method != NULL);
8864 g_assert (mono_method_signature (method)->pinvoke);
8867 cache = get_cache (&method->klass->image->native_wrapper_aot_cache, mono_aligned_addr_hash, NULL);
8869 cache = get_cache (&method->klass->image->native_wrapper_cache, mono_aligned_addr_hash, NULL);
8870 if ((res = mono_marshal_find_in_cache (cache, method)))
8873 if (MONO_CLASS_IS_IMPORT (method->klass)) {
8875 return mono_cominterop_get_native_wrapper (method);
8877 g_assert_not_reached ();
8881 sig = mono_method_signature (method);
8883 if (!(method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
8884 (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL))
8887 if (!piinfo->addr) {
8889 if (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)
8890 exc_arg = "Method contains unsupported native code";
8892 mono_lookup_pinvoke_call (method, &exc_class, &exc_arg);
8894 piinfo->addr = mono_lookup_internal_call (method);
8898 /* hack - redirect certain string constructors to CreateString */
8899 if (piinfo->addr == ves_icall_System_String_ctor_RedirectToCreateString) {
8900 g_assert (!pinvoke);
8901 g_assert (method->string_ctor);
8902 g_assert (sig->hasthis);
8904 /* CreateString returns a value */
8905 csig = signature_dup (method->klass->image, sig);
8906 csig->ret = &mono_defaults.string_class->byval_arg;
8910 while ((res = mono_class_get_methods (mono_defaults.string_class, &iter))) {
8911 if (!strcmp ("CreateString", res->name) &&
8912 mono_metadata_signature_equal (csig, mono_method_signature (res))) {
8915 g_assert (!(res->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL));
8916 g_assert (!(res->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL));
8918 /* create a wrapper to preserve .ctor in stack trace */
8919 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_MANAGED_TO_MANAGED);
8922 mono_mb_emit_byte (mb, CEE_LDARG_0);
8923 for (i = 1; i <= csig->param_count; i++)
8924 mono_mb_emit_ldarg (mb, i);
8925 mono_mb_emit_managed_call (mb, res, NULL);
8926 mono_mb_emit_byte (mb, CEE_RET);
8929 /* use native_wrapper_cache because internal calls are looked up there */
8930 res = mono_mb_create_and_cache (cache, method,
8931 mb, csig, csig->param_count + 1);
8935 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_STRING_CTOR);
8936 info->d.string_ctor.method = method;
8938 mono_marshal_set_wrapper_info (res, info);
8944 /* exception will be thrown */
8945 piinfo->addr = NULL;
8946 g_warning ("cannot find CreateString for .ctor");
8949 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_MANAGED_TO_NATIVE);
8951 mb->method->save_lmf = 1;
8954 * In AOT mode and embedding scenarios, it is possible that the icall is not
8955 * registered in the runtime doing the AOT compilation.
8957 if (!piinfo->addr && !aot) {
8959 mono_mb_emit_exception (mb, exc_class, exc_arg);
8961 csig = signature_dup (method->klass->image, sig);
8963 res = mono_mb_create_and_cache (cache, method,
8964 mb, csig, csig->param_count + 16);
8967 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_NONE);
8968 info->d.managed_to_native.method = method;
8969 mono_marshal_set_wrapper_info (res, info);
8974 /* internal calls: we simply push all arguments and call the method (no conversions) */
8975 if (method->iflags & (METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL | METHOD_IMPL_ATTRIBUTE_RUNTIME)) {
8977 csig = signature_dup_add_this (method->klass->image, sig, method->klass);
8979 csig = signature_dup (method->klass->image, sig);
8981 /* hack - string constructors returns a value */
8982 if (method->string_ctor)
8983 csig->ret = &mono_defaults.string_class->byval_arg;
8990 * Add a null check since public icalls can be called with 'call' which
8991 * does no such check.
8993 mono_mb_emit_byte (mb, CEE_LDARG_0);
8994 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
8995 mono_mb_emit_exception (mb, "NullReferenceException", NULL);
8996 mono_mb_patch_branch (mb, pos);
8998 mono_mb_emit_byte (mb, CEE_LDARG_0);
9001 for (i = 0; i < sig->param_count; i++)
9002 mono_mb_emit_ldarg (mb, i + sig->hasthis);
9005 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
9006 mono_mb_emit_op (mb, CEE_MONO_ICALL_ADDR, &piinfo->method);
9007 mono_mb_emit_calli (mb, csig);
9009 g_assert (piinfo->addr);
9010 mono_mb_emit_native_call (mb, csig, piinfo->addr);
9012 if (check_exceptions)
9013 emit_thread_interrupt_checkpoint (mb);
9014 mono_mb_emit_byte (mb, CEE_RET);
9017 csig = signature_dup (method->klass->image, csig);
9019 res = mono_mb_create_and_cache (cache, method,
9020 mb, csig, csig->param_count + 16);
9022 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_NONE);
9023 info->d.managed_to_native.method = method;
9024 mono_marshal_set_wrapper_info (res, info);
9032 g_assert (piinfo->addr);
9035 mspecs = g_new (MonoMarshalSpec*, sig->param_count + 1);
9036 mono_method_get_marshal_info (method, mspecs);
9038 mono_marshal_emit_native_wrapper (mb->method->klass->image, mb, sig, piinfo, mspecs, piinfo->addr, aot, check_exceptions, FALSE);
9041 csig = signature_dup (method->klass->image, sig);
9043 res = mono_mb_create_and_cache (cache, method,
9044 mb, csig, csig->param_count + 16);
9047 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_PINVOKE);
9048 info->d.managed_to_native.method = method;
9049 mono_marshal_set_wrapper_info (res, info);
9052 for (i = sig->param_count; i >= 0; i--)
9054 mono_metadata_free_marshal_spec (mspecs [i]);
9058 /* code_for (res); */
9064 * mono_marshal_get_native_func_wrapper:
9065 * @image: The image to use for memory allocation and for looking up custom marshallers.
9066 * @sig: The signature of the function
9067 * @func: The native function to wrap
9069 * Returns a wrapper method around native functions, similar to the pinvoke
9073 mono_marshal_get_native_func_wrapper (MonoImage *image, MonoMethodSignature *sig,
9074 MonoMethodPInvoke *piinfo, MonoMarshalSpec **mspecs, gpointer func)
9076 MonoMethodSignature *csig;
9078 MonoMethodBuilder *mb;
9083 cache = get_cache (&image->native_wrapper_cache, mono_aligned_addr_hash, NULL);
9084 if ((res = mono_marshal_find_in_cache (cache, func)))
9087 name = g_strdup_printf ("wrapper_native_%p", func);
9088 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_MANAGED_TO_NATIVE);
9089 mb->method->save_lmf = 1;
9092 mono_marshal_emit_native_wrapper (image, mb, sig, piinfo, mspecs, func, FALSE, TRUE, FALSE);
9095 csig = signature_dup (image, sig);
9097 res = mono_mb_create_and_cache (cache, func,
9098 mb, csig, csig->param_count + 16);
9101 mono_marshal_set_wrapper_info (res, NULL);
9107 * The wrapper receives the native function as a boxed IntPtr as its 'this' argument. This is easier to support in
9111 mono_marshal_get_native_func_wrapper_aot (MonoClass *klass)
9113 MonoMethodSignature *sig, *csig;
9114 MonoMethodBuilder *mb;
9119 MonoMethodPInvoke mpiinfo;
9120 MonoMethodPInvoke *piinfo = &mpiinfo;
9121 MonoMarshalSpec **mspecs;
9122 MonoMethod *invoke = mono_get_delegate_invoke (klass);
9123 MonoImage *image = invoke->klass->image;
9126 // FIXME: include UnmanagedFunctionPointerAttribute info
9129 * The wrapper is associated with the delegate type, to pick up the marshalling info etc.
9131 cache = get_cache (&image->native_func_wrapper_aot_cache, mono_aligned_addr_hash, NULL);
9132 if ((res = mono_marshal_find_in_cache (cache, invoke)))
9135 memset (&mpiinfo, 0, sizeof (mpiinfo));
9136 parse_unmanaged_function_pointer_attr (klass, &mpiinfo);
9138 mspecs = g_new0 (MonoMarshalSpec*, mono_method_signature (invoke)->param_count + 1);
9139 mono_method_get_marshal_info (invoke, mspecs);
9140 /* Freed below so don't alloc from mempool */
9141 sig = mono_metadata_signature_dup (mono_method_signature (invoke));
9144 name = g_strdup_printf ("wrapper_aot_native");
9145 mb = mono_mb_new (invoke->klass, name, MONO_WRAPPER_MANAGED_TO_NATIVE);
9146 mb->method->save_lmf = 1;
9149 mono_marshal_emit_native_wrapper (image, mb, sig, piinfo, mspecs, NULL, FALSE, TRUE, TRUE);
9152 g_assert (!sig->hasthis);
9153 csig = signature_dup_add_this (image, sig, mono_defaults.int_class);
9155 res = mono_mb_create_and_cache (cache, invoke,
9156 mb, csig, csig->param_count + 16);
9159 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_NATIVE_FUNC_AOT);
9160 info->d.managed_to_native.method = invoke;
9162 mono_marshal_set_wrapper_info (res, info);
9164 for (i = mono_method_signature (invoke)->param_count; i >= 0; i--)
9166 mono_metadata_free_marshal_spec (mspecs [i]);
9174 * mono_marshal_emit_managed_wrapper:
9176 * Emit the body of a native-to-managed wrapper. INVOKE_SIG is the signature of
9177 * the delegate which wraps the managed method to be called. For closed delegates,
9178 * it could have fewer parameters than the method it wraps.
9179 * THIS_LOC is the memory location where the target of the delegate is stored.
9182 mono_marshal_emit_managed_wrapper (MonoMethodBuilder *mb, MonoMethodSignature *invoke_sig, MonoMarshalSpec **mspecs, EmitMarshalContext* m, MonoMethod *method, uint32_t target_handle)
9185 MonoMethodSignature *sig, *csig;
9191 /* we first do all conversions */
9192 for (i = 0; i < sig->param_count; i ++) {
9193 MonoType *t = sig->params [i];
9196 case MONO_TYPE_OBJECT:
9197 case MONO_TYPE_CLASS:
9198 case MONO_TYPE_VALUETYPE:
9199 case MONO_TYPE_ARRAY:
9200 case MONO_TYPE_SZARRAY:
9201 case MONO_TYPE_STRING:
9202 case MONO_TYPE_BOOLEAN:
9203 emit_marshal (m, i, sig->params [i], mspecs [i + 1], 0, &csig->params [i], MARSHAL_ACTION_MANAGED_CONV_IN);
9207 if (!sig->ret->byref) {
9208 switch (sig->ret->type) {
9209 case MONO_TYPE_STRING:
9210 csig->ret = &mono_defaults.int_class->byval_arg;
9217 MonoMethodSignature *sig, *csig;
9219 gboolean closed = FALSE;
9224 /* allocate local 0 (pointer) src_ptr */
9225 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9226 /* allocate local 1 (pointer) dst_ptr */
9227 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9228 /* allocate local 2 (boolean) delete_old */
9229 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
9231 if (!sig->hasthis && sig->param_count != invoke_sig->param_count) {
9232 /* Closed delegate */
9233 g_assert (sig->param_count == invoke_sig->param_count + 1);
9235 /* Use a new signature without the first argument */
9236 sig = mono_metadata_signature_dup (sig);
9237 memmove (&sig->params [0], &sig->params [1], (sig->param_count - 1) * sizeof (MonoType*));
9238 sig->param_count --;
9241 if (!MONO_TYPE_IS_VOID(sig->ret)) {
9242 /* allocate local 3 to store the return value */
9243 mono_mb_add_local (mb, sig->ret);
9246 mono_mb_emit_icon (mb, 0);
9247 mono_mb_emit_stloc (mb, 2);
9250 * Might need to attach the thread to the JIT or change the
9251 * domain for the callback.
9253 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
9254 mono_mb_emit_byte (mb, CEE_MONO_JIT_ATTACH);
9256 /* we first do all conversions */
9257 tmp_locals = alloca (sizeof (int) * sig->param_count);
9258 for (i = 0; i < sig->param_count; i ++) {
9259 MonoType *t = sig->params [i];
9262 case MONO_TYPE_OBJECT:
9263 case MONO_TYPE_CLASS:
9264 case MONO_TYPE_VALUETYPE:
9265 case MONO_TYPE_ARRAY:
9266 case MONO_TYPE_SZARRAY:
9267 case MONO_TYPE_STRING:
9268 case MONO_TYPE_BOOLEAN:
9269 tmp_locals [i] = emit_marshal (m, i, sig->params [i], mspecs [i + 1], 0, &csig->params [i], MARSHAL_ACTION_MANAGED_CONV_IN);
9278 emit_thread_interrupt_checkpoint (mb);
9281 if (target_handle) {
9282 mono_mb_emit_icon (mb, (gint32)target_handle);
9283 mono_mb_emit_icall (mb, mono_gchandle_get_target);
9286 g_assert_not_reached ();
9288 } else if (closed) {
9289 mono_mb_emit_icon (mb, (gint32)target_handle);
9290 mono_mb_emit_icall (mb, mono_gchandle_get_target);
9293 for (i = 0; i < sig->param_count; i++) {
9294 MonoType *t = sig->params [i];
9296 if (tmp_locals [i]) {
9298 mono_mb_emit_ldloc_addr (mb, tmp_locals [i]);
9300 mono_mb_emit_ldloc (mb, tmp_locals [i]);
9303 mono_mb_emit_ldarg (mb, i);
9306 mono_mb_emit_managed_call (mb, method, NULL);
9308 if (mspecs [0] && mspecs [0]->native == MONO_NATIVE_CUSTOM) {
9309 emit_marshal (m, 0, sig->ret, mspecs [0], 0, NULL, MARSHAL_ACTION_MANAGED_CONV_RESULT);
9310 } else if (!sig->ret->byref) {
9311 switch (sig->ret->type) {
9312 case MONO_TYPE_VOID:
9314 case MONO_TYPE_BOOLEAN:
9317 case MONO_TYPE_CHAR:
9329 case MONO_TYPE_OBJECT:
9330 mono_mb_emit_stloc (mb, 3);
9332 case MONO_TYPE_STRING:
9333 csig->ret = &mono_defaults.int_class->byval_arg;
9334 emit_marshal (m, 0, sig->ret, mspecs [0], 0, NULL, MARSHAL_ACTION_MANAGED_CONV_RESULT);
9336 case MONO_TYPE_VALUETYPE:
9337 case MONO_TYPE_CLASS:
9338 case MONO_TYPE_SZARRAY:
9339 emit_marshal (m, 0, sig->ret, mspecs [0], 0, NULL, MARSHAL_ACTION_MANAGED_CONV_RESULT);
9342 g_warning ("return type 0x%02x unknown", sig->ret->type);
9343 g_assert_not_reached ();
9346 mono_mb_emit_stloc (mb, 3);
9349 /* Convert byref arguments back */
9350 for (i = 0; i < sig->param_count; i ++) {
9351 MonoType *t = sig->params [i];
9352 MonoMarshalSpec *spec = mspecs [i + 1];
9354 if (spec && spec->native == MONO_NATIVE_CUSTOM) {
9355 emit_marshal (m, i, t, mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_MANAGED_CONV_OUT);
9357 else if (t->byref) {
9359 case MONO_TYPE_CLASS:
9360 case MONO_TYPE_VALUETYPE:
9361 case MONO_TYPE_OBJECT:
9362 case MONO_TYPE_STRING:
9363 case MONO_TYPE_BOOLEAN:
9364 emit_marshal (m, i, t, mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_MANAGED_CONV_OUT);
9368 else if (invoke_sig->params [i]->attrs & PARAM_ATTRIBUTE_OUT) {
9369 /* The [Out] information is encoded in the delegate signature */
9371 case MONO_TYPE_SZARRAY:
9372 case MONO_TYPE_CLASS:
9373 case MONO_TYPE_VALUETYPE:
9374 emit_marshal (m, i, invoke_sig->params [i], mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_MANAGED_CONV_OUT);
9377 g_assert_not_reached ();
9382 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
9383 mono_mb_emit_byte (mb, CEE_MONO_JIT_DETACH);
9385 if (m->retobj_var) {
9386 mono_mb_emit_ldloc (mb, m->retobj_var);
9387 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
9388 mono_mb_emit_op (mb, CEE_MONO_RETOBJ, m->retobj_class);
9391 if (!MONO_TYPE_IS_VOID(sig->ret))
9392 mono_mb_emit_ldloc (mb, 3);
9393 mono_mb_emit_byte (mb, CEE_RET);
9402 mono_marshal_set_callconv_from_modopt (MonoMethod *method, MonoMethodSignature *csig)
9404 MonoMethodSignature *sig;
9409 * Under windows, delegates passed to native code must use the STDCALL
9410 * calling convention.
9412 csig->call_convention = MONO_CALL_STDCALL;
9415 sig = mono_method_signature (method);
9417 /* Change default calling convention if needed */
9418 /* Why is this a modopt ? */
9419 if (sig->ret && sig->ret->num_mods) {
9420 for (i = 0; i < sig->ret->num_mods; ++i) {
9421 MonoClass *cmod_class = mono_class_get (method->klass->image, sig->ret->modifiers [i].token);
9422 g_assert (cmod_class);
9423 if ((cmod_class->image == mono_defaults.corlib) && !strcmp (cmod_class->name_space, "System.Runtime.CompilerServices")) {
9424 if (!strcmp (cmod_class->name, "CallConvCdecl"))
9425 csig->call_convention = MONO_CALL_C;
9426 else if (!strcmp (cmod_class->name, "CallConvStdcall"))
9427 csig->call_convention = MONO_CALL_STDCALL;
9428 else if (!strcmp (cmod_class->name, "CallConvFastcall"))
9429 csig->call_convention = MONO_CALL_FASTCALL;
9430 else if (!strcmp (cmod_class->name, "CallConvThiscall"))
9431 csig->call_convention = MONO_CALL_THISCALL;
9438 * generates IL code to call managed methods from unmanaged code
9439 * If target_handle==0, the wrapper info will be a WrapperInfo structure.
9442 mono_marshal_get_managed_wrapper (MonoMethod *method, MonoClass *delegate_klass, uint32_t target_handle)
9444 static MonoClass *UnmanagedFunctionPointerAttribute;
9445 MonoMethodSignature *sig, *csig, *invoke_sig;
9446 MonoMethodBuilder *mb;
9447 MonoMethod *res, *invoke;
9448 MonoMarshalSpec **mspecs;
9449 MonoMethodPInvoke piinfo;
9452 EmitMarshalContext m;
9454 g_assert (method != NULL);
9455 g_assert (!mono_method_signature (method)->pinvoke);
9458 * FIXME: Should cache the method+delegate type pair, since the same method
9459 * could be called with different delegates, thus different marshalling
9462 cache = get_cache (&method->klass->image->managed_wrapper_cache, mono_aligned_addr_hash, NULL);
9463 if (!target_handle && (res = mono_marshal_find_in_cache (cache, method)))
9466 invoke = mono_get_delegate_invoke (delegate_klass);
9467 invoke_sig = mono_method_signature (invoke);
9469 mspecs = g_new0 (MonoMarshalSpec*, mono_method_signature (invoke)->param_count + 1);
9470 mono_method_get_marshal_info (invoke, mspecs);
9472 sig = mono_method_signature (method);
9474 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_NATIVE_TO_MANAGED);
9476 /*the target gchandle must be the first entry after size and the wrapper itself.*/
9477 mono_mb_add_data (mb, GUINT_TO_POINTER (target_handle));
9479 /* we copy the signature, so that we can modify it */
9481 /* Need to free this later */
9482 csig = mono_metadata_signature_dup (invoke_sig);
9484 csig = signature_dup (method->klass->image, invoke_sig);
9493 m.image = method->klass->image;
9495 mono_marshal_set_callconv_from_modopt (invoke, csig);
9497 /* Handle the UnmanagedFunctionPointerAttribute */
9498 if (!UnmanagedFunctionPointerAttribute)
9499 UnmanagedFunctionPointerAttribute = mono_class_from_name (mono_defaults.corlib, "System.Runtime.InteropServices", "UnmanagedFunctionPointerAttribute");
9501 /* The attribute is only available in Net 2.0 */
9502 if (UnmanagedFunctionPointerAttribute) {
9503 MonoCustomAttrInfo *cinfo;
9504 MonoCustomAttrEntry *attr;
9507 * The pinvoke attributes are stored in a real custom attribute. Obtain the
9508 * contents of the attribute without constructing it, as that might not be
9509 * possible when running in cross-compiling mode.
9511 cinfo = mono_custom_attrs_from_class (delegate_klass);
9514 for (i = 0; i < cinfo->num_attrs; ++i) {
9515 MonoClass *ctor_class = cinfo->attrs [i].ctor->klass;
9516 if (mono_class_has_parent (ctor_class, UnmanagedFunctionPointerAttribute)) {
9517 attr = &cinfo->attrs [i];
9523 MonoArray *typed_args, *named_args;
9524 CattrNamedArg *arginfo;
9528 MonoBoolean set_last_error = 0;
9529 MonoBoolean best_fit_mapping = 0;
9530 MonoBoolean throw_on_unmappable = 0;
9533 mono_reflection_create_custom_attr_data_args (mono_defaults.corlib, attr->ctor, attr->data, attr->data_size, &typed_args, &named_args, &arginfo, &error);
9534 g_assert (mono_error_ok (&error));
9535 g_assert (mono_array_length (typed_args) == 1);
9538 o = mono_array_get (typed_args, MonoObject*, 0);
9539 call_conv = *(gint32*)mono_object_unbox (o);
9542 for (i = 0; i < mono_array_length (named_args); ++i) {
9543 CattrNamedArg *narg = &arginfo [i];
9545 o = mono_array_get (named_args, MonoObject*, i);
9547 g_assert (narg->field);
9548 if (!strcmp (narg->field->name, "CharSet")) {
9549 charset = *(gint32*)mono_object_unbox (o);
9550 } else if (!strcmp (narg->field->name, "SetLastError")) {
9551 set_last_error = *(MonoBoolean*)mono_object_unbox (o);
9552 } else if (!strcmp (narg->field->name, "BestFitMapping")) {
9553 best_fit_mapping = *(MonoBoolean*)mono_object_unbox (o);
9554 } else if (!strcmp (narg->field->name, "ThrowOnUnmappableChar")) {
9555 throw_on_unmappable = *(MonoBoolean*)mono_object_unbox (o);
9557 g_assert_not_reached ();
9563 memset (&piinfo, 0, sizeof (piinfo));
9565 piinfo.piflags = (call_conv << 8) | (charset ? (charset - 1) * 2 : 1) | set_last_error;
9567 csig->call_convention = call_conv - 1;
9570 if (cinfo && !cinfo->cached)
9571 mono_custom_attrs_free (cinfo);
9574 mono_marshal_emit_managed_wrapper (mb, invoke_sig, mspecs, &m, method, target_handle);
9576 if (!target_handle) {
9579 res = mono_mb_create_and_cache (cache, method,
9580 mb, csig, sig->param_count + 16);
9581 // FIXME: Associate it with the method+delegate_klass pair
9582 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_NONE);
9583 info->d.native_to_managed.method = method;
9584 info->d.native_to_managed.klass = delegate_klass;
9585 mono_marshal_set_wrapper_info (res, info);
9590 res = mono_mb_create_method (mb, csig, sig->param_count + 16);
9594 for (i = mono_method_signature (invoke)->param_count; i >= 0; i--)
9596 mono_metadata_free_marshal_spec (mspecs [i]);
9599 /* code_for (res); */
9605 mono_marshal_get_vtfixup_ftnptr (MonoImage *image, guint32 token, guint16 type)
9608 MonoMethodSignature *sig;
9609 MonoMethodBuilder *mb;
9614 method = mono_get_method (image, token, NULL);
9617 if (type & (VTFIXUP_TYPE_FROM_UNMANAGED | VTFIXUP_TYPE_FROM_UNMANAGED_RETAIN_APPDOMAIN)) {
9618 MonoMethodSignature *csig;
9619 MonoMarshalSpec **mspecs;
9620 EmitMarshalContext m;
9622 sig = mono_method_signature (method);
9623 g_assert (!sig->hasthis);
9625 mspecs = g_new0 (MonoMarshalSpec*, sig->param_count + 1);
9626 mono_method_get_marshal_info (method, mspecs);
9628 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_NATIVE_TO_MANAGED);
9629 csig = signature_dup (image, sig);
9640 mono_marshal_set_callconv_from_modopt (method, csig);
9642 /* FIXME: Implement VTFIXUP_TYPE_FROM_UNMANAGED_RETAIN_APPDOMAIN. */
9644 mono_marshal_emit_managed_wrapper (mb, sig, mspecs, &m, method, 0);
9649 method = mono_mb_create_method (mb, csig, sig->param_count + 16);
9652 for (i = sig->param_count; i >= 0; i--)
9654 mono_metadata_free_marshal_spec (mspecs [i]);
9657 return mono_compile_method (method);
9660 sig = mono_method_signature (method);
9661 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_MANAGED_TO_MANAGED);
9663 param_count = sig->param_count + sig->hasthis;
9665 for (i = 0; i < param_count; i++)
9666 mono_mb_emit_ldarg (mb, i);
9668 if (type & VTFIXUP_TYPE_CALL_MOST_DERIVED)
9669 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
9671 mono_mb_emit_op (mb, CEE_CALL, method);
9672 mono_mb_emit_byte (mb, CEE_RET);
9677 method = mono_mb_create_method (mb, sig, param_count);
9680 return mono_compile_method (method);
9683 static MonoReflectionType *
9684 type_from_handle (MonoType *handle)
9686 MonoDomain *domain = mono_domain_get ();
9687 MonoClass *klass = mono_class_from_mono_type (handle);
9689 MONO_ARCH_SAVE_REGS;
9691 mono_class_init (klass);
9692 return mono_type_get_object (domain, handle);
9696 * This does the equivalent of mono_object_castclass_with_cache.
9697 * The wrapper info for the wrapper is a WrapperInfo structure.
9700 mono_marshal_get_castclass_with_cache (void)
9702 static MonoMethod *cached;
9704 MonoMethodBuilder *mb;
9705 MonoMethodSignature *sig;
9706 int return_null_pos, cache_miss_pos, invalid_cast_pos;
9712 mb = mono_mb_new (mono_defaults.object_class, "__castclass_with_cache", MONO_WRAPPER_CASTCLASS);
9713 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
9714 sig->params [0] = &mono_defaults.object_class->byval_arg;
9715 sig->params [1] = &mono_defaults.int_class->byval_arg;
9716 sig->params [2] = &mono_defaults.int_class->byval_arg;
9717 sig->ret = &mono_defaults.object_class->byval_arg;
9721 /* allocate local 0 (pointer) obj_vtable */
9722 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9725 mono_mb_emit_ldarg (mb, 0);
9726 return_null_pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
9728 /*obj_vtable = obj->vtable;*/
9729 mono_mb_emit_ldarg (mb, 0);
9730 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
9731 mono_mb_emit_byte (mb, CEE_LDIND_I);
9732 mono_mb_emit_stloc (mb, 0);
9735 mono_mb_emit_ldarg (mb, 2);
9736 mono_mb_emit_byte (mb, CEE_LDIND_I);
9737 mono_mb_emit_ldloc (mb, 0);
9739 /*if (*cache == obj_vtable)*/
9740 cache_miss_pos = mono_mb_emit_branch (mb, CEE_BNE_UN);
9743 mono_mb_emit_ldarg (mb, 0);
9744 mono_mb_emit_byte (mb, CEE_RET);
9746 mono_mb_patch_branch (mb, cache_miss_pos);
9747 /*if (mono_object_isinst (obj, klass)) */
9748 mono_mb_emit_ldarg (mb, 0);
9749 mono_mb_emit_ldarg (mb, 1);
9750 mono_mb_emit_icall (mb, mono_object_isinst);
9751 invalid_cast_pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
9753 /**cache = obj_vtable;*/
9754 mono_mb_emit_ldarg (mb, 2);
9755 mono_mb_emit_ldloc (mb, 0);
9756 mono_mb_emit_byte (mb, CEE_STIND_I);
9759 mono_mb_emit_ldarg (mb, 0);
9760 mono_mb_emit_byte (mb, CEE_RET);
9763 mono_mb_patch_branch (mb, invalid_cast_pos);
9764 mono_mb_emit_exception (mb, "InvalidCastException", NULL);
9767 mono_mb_patch_branch (mb, return_null_pos);
9768 mono_mb_emit_byte (mb, CEE_LDNULL);
9769 mono_mb_emit_byte (mb, CEE_RET);
9770 #endif /* DISABLE_JIT */
9772 res = mono_mb_create_method (mb, sig, 8);
9773 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_CASTCLASS_WITH_CACHE);
9774 mono_marshal_set_wrapper_info (res, info);
9777 if (InterlockedCompareExchangePointer ((volatile gpointer *)&cached, res, NULL)) {
9778 mono_free_method (res);
9779 mono_metadata_free_method_signature (sig);
9787 * This does the equivalent of mono_object_isinst_with_cache.
9788 * The wrapper info for the wrapper is a WrapperInfo structure.
9791 mono_marshal_get_isinst_with_cache (void)
9793 static MonoMethod *cached;
9795 MonoMethodBuilder *mb;
9796 MonoMethodSignature *sig;
9797 int return_null_pos, cache_miss_pos, cache_hit_pos, not_an_instance_pos, negative_cache_hit_pos;
9803 mb = mono_mb_new (mono_defaults.object_class, "__isinst_with_cache", MONO_WRAPPER_CASTCLASS);
9804 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
9805 sig->params [0] = &mono_defaults.object_class->byval_arg;
9806 sig->params [1] = &mono_defaults.int_class->byval_arg;
9807 sig->params [2] = &mono_defaults.int_class->byval_arg;
9808 sig->ret = &mono_defaults.object_class->byval_arg;
9812 /* allocate local 0 (pointer) obj_vtable */
9813 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9814 /* allocate local 1 (pointer) cached_vtable */
9815 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9818 mono_mb_emit_ldarg (mb, 0);
9819 return_null_pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
9821 /*obj_vtable = obj->vtable;*/
9822 mono_mb_emit_ldarg (mb, 0);
9823 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
9824 mono_mb_emit_byte (mb, CEE_LDIND_I);
9825 mono_mb_emit_stloc (mb, 0);
9827 /* cached_vtable = *cache*/
9828 mono_mb_emit_ldarg (mb, 2);
9829 mono_mb_emit_byte (mb, CEE_LDIND_I);
9830 mono_mb_emit_stloc (mb, 1);
9832 mono_mb_emit_ldloc (mb, 1);
9833 mono_mb_emit_byte (mb, CEE_LDC_I4);
9834 mono_mb_emit_i4 (mb, ~0x1);
9835 mono_mb_emit_byte (mb, CEE_CONV_U);
9836 mono_mb_emit_byte (mb, CEE_AND);
9837 mono_mb_emit_ldloc (mb, 0);
9838 /*if ((cached_vtable & ~0x1)== obj_vtable)*/
9839 cache_miss_pos = mono_mb_emit_branch (mb, CEE_BNE_UN);
9841 /*return (cached_vtable & 0x1) ? NULL : obj;*/
9842 mono_mb_emit_ldloc (mb, 1);
9843 mono_mb_emit_byte(mb, CEE_LDC_I4_1);
9844 mono_mb_emit_byte (mb, CEE_CONV_U);
9845 mono_mb_emit_byte (mb, CEE_AND);
9846 negative_cache_hit_pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
9849 mono_mb_emit_ldarg (mb, 0);
9850 cache_hit_pos = mono_mb_emit_branch (mb, CEE_BR);
9853 mono_mb_patch_branch (mb, negative_cache_hit_pos);
9854 mono_mb_emit_byte (mb, CEE_LDNULL);
9856 mono_mb_patch_branch (mb, cache_hit_pos);
9857 mono_mb_emit_byte (mb, CEE_RET);
9859 mono_mb_patch_branch (mb, cache_miss_pos);
9860 /*if (mono_object_isinst (obj, klass)) */
9861 mono_mb_emit_ldarg (mb, 0);
9862 mono_mb_emit_ldarg (mb, 1);
9863 mono_mb_emit_icall (mb, mono_object_isinst);
9864 not_an_instance_pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
9866 /**cache = obj_vtable;*/
9867 mono_mb_emit_ldarg (mb, 2);
9868 mono_mb_emit_ldloc (mb, 0);
9869 mono_mb_emit_byte (mb, CEE_STIND_I);
9872 mono_mb_emit_ldarg (mb, 0);
9873 mono_mb_emit_byte (mb, CEE_RET);
9876 mono_mb_patch_branch (mb, not_an_instance_pos);
9877 /* *cache = (gpointer)(obj_vtable | 0x1);*/
9878 mono_mb_emit_ldarg (mb, 2);
9879 /*obj_vtable | 0x1*/
9880 mono_mb_emit_ldloc (mb, 0);
9881 mono_mb_emit_byte(mb, CEE_LDC_I4_1);
9882 mono_mb_emit_byte (mb, CEE_CONV_U);
9883 mono_mb_emit_byte (mb, CEE_OR);
9886 mono_mb_emit_byte (mb, CEE_STIND_I);
9889 mono_mb_patch_branch (mb, return_null_pos);
9890 mono_mb_emit_byte (mb, CEE_LDNULL);
9891 mono_mb_emit_byte (mb, CEE_RET);
9894 res = mono_mb_create_method (mb, sig, 8);
9895 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_ISINST_WITH_CACHE);
9896 mono_marshal_set_wrapper_info (res, info);
9899 if (InterlockedCompareExchangePointer ((volatile gpointer *)&cached, res, NULL)) {
9900 mono_free_method (res);
9901 mono_metadata_free_method_signature (sig);
9909 * mono_marshal_get_isinst:
9910 * @klass: the type of the field
9912 * This method generates a function which can be used to check if an object is
9913 * an instance of the given type, icluding the case where the object is a proxy.
9914 * The generated function has the following signature:
9915 * MonoObject* __isinst_wrapper_ (MonoObject *obj)
9918 mono_marshal_get_isinst (MonoClass *klass)
9920 static MonoMethodSignature *isint_sig = NULL;
9923 int pos_was_ok, pos_end;
9924 #ifndef DISABLE_REMOTING
9925 int pos_end2, pos_failed;
9928 MonoMethodBuilder *mb;
9930 cache = get_cache (&klass->image->isinst_cache, mono_aligned_addr_hash, NULL);
9931 if ((res = mono_marshal_find_in_cache (cache, klass)))
9935 isint_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
9936 isint_sig->params [0] = &mono_defaults.object_class->byval_arg;
9937 isint_sig->ret = &mono_defaults.object_class->byval_arg;
9938 isint_sig->pinvoke = 0;
9941 name = g_strdup_printf ("__isinst_wrapper_%s", klass->name);
9942 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_ISINST);
9945 mb->method->save_lmf = 1;
9948 /* check if the object is a proxy that needs special cast */
9949 mono_mb_emit_ldarg (mb, 0);
9950 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
9951 mono_mb_emit_op (mb, CEE_MONO_CISINST, klass);
9953 /* The result of MONO_CISINST can be:
9954 0) the type check succeeded
9955 1) the type check did not succeed
9956 2) a CanCastTo call is needed */
9957 #ifndef DISABLE_REMOTING
9958 mono_mb_emit_byte (mb, CEE_DUP);
9959 pos_was_ok = mono_mb_emit_branch (mb, CEE_BRFALSE);
9961 mono_mb_emit_byte (mb, CEE_LDC_I4_2);
9962 pos_failed = mono_mb_emit_branch (mb, CEE_BNE_UN);
9964 /* get the real proxy from the transparent proxy*/
9966 mono_mb_emit_ldarg (mb, 0);
9967 mono_mb_emit_managed_call (mb, mono_marshal_get_proxy_cancast (klass), NULL);
9968 pos_end = mono_mb_emit_branch (mb, CEE_BR);
9972 mono_mb_patch_branch (mb, pos_failed);
9973 mono_mb_emit_byte (mb, CEE_LDNULL);
9974 pos_end2 = mono_mb_emit_branch (mb, CEE_BR);
9978 mono_mb_patch_branch (mb, pos_was_ok);
9979 mono_mb_emit_byte (mb, CEE_POP);
9980 mono_mb_emit_ldarg (mb, 0);
9984 mono_mb_patch_branch (mb, pos_end);
9985 mono_mb_patch_branch (mb, pos_end2);
9986 mono_mb_emit_byte (mb, CEE_RET);
9988 pos_was_ok = mono_mb_emit_branch (mb, CEE_BRFALSE);
9992 mono_mb_emit_byte (mb, CEE_LDNULL);
9993 pos_end = mono_mb_emit_branch (mb, CEE_BR);
9997 mono_mb_patch_branch (mb, pos_was_ok);
9998 mono_mb_emit_ldarg (mb, 0);
10002 mono_mb_patch_branch (mb, pos_end);
10003 mono_mb_emit_byte (mb, CEE_RET);
10004 #endif /* DISABLE_REMOTING */
10005 #endif /* DISABLE_JIT */
10007 res = mono_mb_create_and_cache (cache, klass, mb, isint_sig, isint_sig->param_count + 16);
10014 * mono_marshal_get_castclass:
10015 * @klass: the type of the field
10017 * This method generates a function which can be used to cast an object to
10018 * an instance of the given type, icluding the case where the object is a proxy.
10019 * The generated function has the following signature:
10020 * MonoObject* __castclass_wrapper_ (MonoObject *obj)
10021 * The wrapper info for the wrapper is a WrapperInfo structure.
10024 mono_marshal_get_castclass (MonoClass *klass)
10026 static MonoMethodSignature *castclass_sig = NULL;
10029 #ifndef DISABLE_REMOTING
10030 int pos_was_ok, pos_was_ok2;
10033 MonoMethodBuilder *mb;
10036 cache = get_cache (&klass->image->castclass_cache, mono_aligned_addr_hash, NULL);
10037 if ((res = mono_marshal_find_in_cache (cache, klass)))
10040 if (!castclass_sig) {
10041 castclass_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
10042 castclass_sig->params [0] = &mono_defaults.object_class->byval_arg;
10043 castclass_sig->ret = &mono_defaults.object_class->byval_arg;
10044 castclass_sig->pinvoke = 0;
10047 name = g_strdup_printf ("__castclass_wrapper_%s", klass->name);
10048 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_CASTCLASS);
10051 mb->method->save_lmf = 1;
10053 #ifndef DISABLE_JIT
10054 /* check if the object is a proxy that needs special cast */
10055 mono_mb_emit_ldarg (mb, 0);
10056 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
10057 mono_mb_emit_op (mb, CEE_MONO_CCASTCLASS, klass);
10059 /* The result of MONO_CCASTCLASS can be:
10060 0) the cast is valid
10061 1) cast of unknown proxy type
10062 or an exception if the cast is is invalid
10064 #ifndef DISABLE_REMOTING
10065 pos_was_ok = mono_mb_emit_branch (mb, CEE_BRFALSE);
10067 /* get the real proxy from the transparent proxy*/
10069 mono_mb_emit_ldarg (mb, 0);
10070 mono_mb_emit_managed_call (mb, mono_marshal_get_proxy_cancast (klass), NULL);
10071 pos_was_ok2 = mono_mb_emit_branch (mb, CEE_BRTRUE);
10074 mono_mb_emit_exception (mb, "InvalidCastException", NULL);
10077 mono_mb_patch_branch (mb, pos_was_ok);
10078 mono_mb_patch_branch (mb, pos_was_ok2);
10080 /* MONO_CCASTCLASS leaves an int in the stack with the result, pop it. */
10081 mono_mb_emit_byte (mb, CEE_POP);
10082 #endif /* DISABLE_REMOTING */
10084 mono_mb_emit_ldarg (mb, 0);
10087 mono_mb_emit_byte (mb, CEE_RET);
10088 #endif /* DISABLE_JIT */
10090 res = mono_mb_create_and_cache (cache, klass, mb, castclass_sig, castclass_sig->param_count + 16);
10093 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_NONE);
10094 mono_marshal_set_wrapper_info (res, info);
10099 #ifndef DISABLE_REMOTING
10101 mono_marshal_get_proxy_cancast (MonoClass *klass)
10103 static MonoMethodSignature *isint_sig = NULL;
10106 int pos_failed, pos_end;
10107 char *name, *klass_name;
10108 MonoMethod *can_cast_to;
10109 MonoMethodDesc *desc;
10110 MonoMethodBuilder *mb;
10112 cache = get_cache (&klass->image->proxy_isinst_cache, mono_aligned_addr_hash, NULL);
10113 if ((res = mono_marshal_find_in_cache (cache, klass)))
10117 isint_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
10118 isint_sig->params [0] = &mono_defaults.object_class->byval_arg;
10119 isint_sig->ret = &mono_defaults.object_class->byval_arg;
10120 isint_sig->pinvoke = 0;
10123 klass_name = mono_type_full_name (&klass->byval_arg);
10124 name = g_strdup_printf ("__proxy_isinst_wrapper_%s", klass_name);
10125 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_PROXY_ISINST);
10126 g_free (klass_name);
10129 mb->method->save_lmf = 1;
10131 #ifndef DISABLE_JIT
10132 /* get the real proxy from the transparent proxy*/
10133 mono_mb_emit_ldarg (mb, 0);
10134 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
10135 mono_mb_emit_byte (mb, CEE_LDIND_REF);
10137 /* get the reflection type from the type handle */
10138 mono_mb_emit_ptr (mb, &klass->byval_arg);
10139 mono_mb_emit_icall (mb, type_from_handle);
10141 mono_mb_emit_ldarg (mb, 0);
10143 /* make the call to CanCastTo (type, ob) */
10144 desc = mono_method_desc_new ("IRemotingTypeInfo:CanCastTo", FALSE);
10145 can_cast_to = mono_method_desc_search_in_class (desc, mono_defaults.iremotingtypeinfo_class);
10146 g_assert (can_cast_to);
10147 mono_method_desc_free (desc);
10148 mono_mb_emit_op (mb, CEE_CALLVIRT, can_cast_to);
10150 pos_failed = mono_mb_emit_branch (mb, CEE_BRFALSE);
10152 /* Upgrade the proxy vtable by calling: mono_upgrade_remote_class_wrapper (type, ob)*/
10153 mono_mb_emit_ptr (mb, &klass->byval_arg);
10154 mono_mb_emit_icall (mb, type_from_handle);
10155 mono_mb_emit_ldarg (mb, 0);
10157 mono_mb_emit_icall (mb, mono_upgrade_remote_class_wrapper);
10158 emit_thread_interrupt_checkpoint (mb);
10160 mono_mb_emit_ldarg (mb, 0);
10161 pos_end = mono_mb_emit_branch (mb, CEE_BR);
10165 mono_mb_patch_branch (mb, pos_failed);
10166 mono_mb_emit_byte (mb, CEE_LDNULL);
10170 mono_mb_patch_branch (mb, pos_end);
10171 mono_mb_emit_byte (mb, CEE_RET);
10174 res = mono_mb_create_and_cache (cache, klass, mb, isint_sig, isint_sig->param_count + 16);
10181 mono_upgrade_remote_class_wrapper (MonoReflectionType *rtype, MonoTransparentProxy *tproxy)
10184 MonoDomain *domain = ((MonoObject*)tproxy)->vtable->domain;
10185 klass = mono_class_from_mono_type (rtype->type);
10186 mono_upgrade_remote_class (domain, (MonoObject*)tproxy, klass);
10188 #endif /*DISABLE_REMOTING */
10191 * mono_marshal_get_struct_to_ptr:
10194 * generates IL code for StructureToPtr (object structure, IntPtr ptr, bool fDeleteOld)
10195 * The wrapper info for the wrapper is a WrapperInfo structure.
10198 mono_marshal_get_struct_to_ptr (MonoClass *klass)
10200 MonoMethodBuilder *mb;
10201 static MonoMethod *stoptr = NULL;
10205 g_assert (klass != NULL);
10207 mono_marshal_load_type_info (klass);
10209 if (klass->marshal_info->str_to_ptr)
10210 return klass->marshal_info->str_to_ptr;
10213 stoptr = mono_class_get_method_from_name (mono_defaults.marshal_class, "StructureToPtr", 3);
10216 mb = mono_mb_new (klass, stoptr->name, MONO_WRAPPER_UNKNOWN);
10218 #ifndef DISABLE_JIT
10219 if (klass->blittable) {
10220 mono_mb_emit_byte (mb, CEE_LDARG_1);
10221 mono_mb_emit_byte (mb, CEE_LDARG_0);
10222 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
10223 mono_mb_emit_icon (mb, mono_class_value_size (klass, NULL));
10224 mono_mb_emit_byte (mb, CEE_PREFIX1);
10225 mono_mb_emit_byte (mb, CEE_CPBLK);
10228 /* allocate local 0 (pointer) src_ptr */
10229 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10230 /* allocate local 1 (pointer) dst_ptr */
10231 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10232 /* allocate local 2 (boolean) delete_old */
10233 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
10234 mono_mb_emit_byte (mb, CEE_LDARG_2);
10235 mono_mb_emit_stloc (mb, 2);
10237 /* initialize src_ptr to point to the start of object data */
10238 mono_mb_emit_byte (mb, CEE_LDARG_0);
10239 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
10240 mono_mb_emit_stloc (mb, 0);
10242 /* initialize dst_ptr */
10243 mono_mb_emit_byte (mb, CEE_LDARG_1);
10244 mono_mb_emit_stloc (mb, 1);
10246 emit_struct_conv (mb, klass, FALSE);
10249 mono_mb_emit_byte (mb, CEE_RET);
10252 res = mono_mb_create_method (mb, mono_signature_no_pinvoke (stoptr), 0);
10255 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_STRUCTURE_TO_PTR);
10256 mono_marshal_set_wrapper_info (res, info);
10258 klass->marshal_info->str_to_ptr = res;
10263 * mono_marshal_get_ptr_to_struct:
10266 * generates IL code for PtrToStructure (IntPtr src, object structure)
10267 * The wrapper info for the wrapper is a WrapperInfo structure.
10270 mono_marshal_get_ptr_to_struct (MonoClass *klass)
10272 MonoMethodBuilder *mb;
10273 static MonoMethodSignature *ptostr = NULL;
10277 g_assert (klass != NULL);
10279 mono_marshal_load_type_info (klass);
10281 if (klass->marshal_info->ptr_to_str)
10282 return klass->marshal_info->ptr_to_str;
10285 MonoMethodSignature *sig;
10287 /* Create the signature corresponding to
10288 static void PtrToStructure (IntPtr ptr, object structure);
10289 defined in class/corlib/System.Runtime.InteropServices/Marshal.cs */
10290 sig = mono_create_icall_signature ("void ptr object");
10291 sig = signature_dup (mono_defaults.corlib, sig);
10293 mono_memory_barrier ();
10297 mb = mono_mb_new (klass, "PtrToStructure", MONO_WRAPPER_UNKNOWN);
10299 #ifndef DISABLE_JIT
10300 if (klass->blittable) {
10301 mono_mb_emit_byte (mb, CEE_LDARG_1);
10302 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
10303 mono_mb_emit_byte (mb, CEE_LDARG_0);
10304 mono_mb_emit_icon (mb, mono_class_value_size (klass, NULL));
10305 mono_mb_emit_byte (mb, CEE_PREFIX1);
10306 mono_mb_emit_byte (mb, CEE_CPBLK);
10309 /* allocate local 0 (pointer) src_ptr */
10310 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10311 /* allocate local 1 (pointer) dst_ptr */
10312 mono_mb_add_local (mb, &klass->this_arg);
10314 /* initialize src_ptr to point to the start of object data */
10315 mono_mb_emit_byte (mb, CEE_LDARG_0);
10316 mono_mb_emit_stloc (mb, 0);
10318 /* initialize dst_ptr */
10319 mono_mb_emit_byte (mb, CEE_LDARG_1);
10320 mono_mb_emit_op (mb, CEE_UNBOX, klass);
10321 mono_mb_emit_stloc (mb, 1);
10323 emit_struct_conv (mb, klass, TRUE);
10326 mono_mb_emit_byte (mb, CEE_RET);
10329 res = mono_mb_create_method (mb, ptostr, 0);
10332 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_PTR_TO_STRUCTURE);
10333 mono_marshal_set_wrapper_info (res, info);
10335 klass->marshal_info->ptr_to_str = res;
10340 * Return a dummy wrapper for METHOD which is called by synchronized wrappers.
10341 * This is used to avoid infinite recursion since it is hard to determine where to
10342 * replace a method with its synchronized wrapper, and where not.
10343 * The runtime should execute METHOD instead of the wrapper.
10344 * The wrapper info for the wrapper is a WrapperInfo structure.
10347 mono_marshal_get_synchronized_inner_wrapper (MonoMethod *method)
10349 MonoMethodBuilder *mb;
10351 MonoMethodSignature *sig;
10353 MonoGenericContext *ctx = NULL;
10354 MonoMethod *orig_method = NULL;
10355 MonoGenericContainer *container = NULL;
10357 if (method->is_inflated && !mono_method_get_context (method)->method_inst) {
10358 orig_method = method;
10359 ctx = &((MonoMethodInflated*)method)->context;
10360 method = ((MonoMethodInflated*)method)->declaring;
10361 container = mono_method_get_generic_container (method);
10363 container = method->klass->generic_container;
10364 g_assert (container);
10367 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_UNKNOWN);
10368 #ifndef DISABLE_JIT
10369 mono_mb_emit_exception_full (mb, "System", "ExecutionEngineException", "Shouldn't be called.");
10370 mono_mb_emit_byte (mb, CEE_RET);
10372 sig = signature_dup (method->klass->image, mono_method_signature (method));
10373 res = mono_mb_create_method (mb, sig, 0);
10375 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_SYNCHRONIZED_INNER);
10376 info->d.synchronized_inner.method = method;
10377 mono_marshal_set_wrapper_info (res, info);
10379 res = mono_class_inflate_generic_method (res, ctx);
10384 * generates IL code for the synchronized wrapper: the generated method
10385 * calls METHOD while locking 'this' or the parent type.
10388 mono_marshal_get_synchronized_wrapper (MonoMethod *method)
10390 static MonoMethod *enter_method, *exit_method, *gettypefromhandle_method;
10391 MonoMethodSignature *sig;
10392 MonoExceptionClause *clause;
10393 MonoMethodBuilder *mb;
10396 int i, pos, this_local, ret_local = 0;
10397 MonoGenericContext *ctx = NULL;
10398 MonoMethod *orig_method = NULL;
10399 MonoGenericContainer *container = NULL;
10403 if (method->wrapper_type == MONO_WRAPPER_SYNCHRONIZED)
10406 /* FIXME: Support generic methods too */
10407 if (method->is_inflated && !mono_method_get_context (method)->method_inst) {
10408 orig_method = method;
10409 ctx = &((MonoMethodInflated*)method)->context;
10410 method = ((MonoMethodInflated*)method)->declaring;
10411 container = mono_method_get_generic_container (method);
10413 container = method->klass->generic_container;
10414 g_assert (container);
10421 cache = get_cache (&method->klass->image->synchronized_generic_cache, mono_aligned_addr_hash, NULL);
10422 res = check_generic_wrapper_cache (cache, orig_method, orig_method, method);
10426 cache = get_cache (&method->klass->image->synchronized_cache, mono_aligned_addr_hash, NULL);
10427 if ((res = mono_marshal_find_in_cache (cache, method)))
10431 sig = signature_dup (method->klass->image, mono_method_signature (method));
10434 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_SYNCHRONIZED);
10436 #ifndef DISABLE_JIT
10438 if (!MONO_TYPE_IS_VOID (sig->ret))
10439 ret_local = mono_mb_add_local (mb, sig->ret);
10442 if (method->klass->valuetype && !(method->flags & MONO_METHOD_ATTR_STATIC)) {
10443 mono_class_set_failure (method->klass, MONO_EXCEPTION_TYPE_LOAD, NULL);
10444 #ifndef DISABLE_JIT
10445 /* This will throw the type load exception when the wrapper is compiled */
10446 mono_mb_emit_byte (mb, CEE_LDNULL);
10447 mono_mb_emit_op (mb, CEE_ISINST, method->klass);
10448 mono_mb_emit_byte (mb, CEE_POP);
10450 if (!MONO_TYPE_IS_VOID (sig->ret))
10451 mono_mb_emit_ldloc (mb, ret_local);
10452 mono_mb_emit_byte (mb, CEE_RET);
10455 res = mono_mb_create_and_cache (cache, method,
10456 mb, sig, sig->param_count + 16);
10462 #ifndef DISABLE_JIT
10464 this_local = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
10466 clause = mono_image_alloc0 (method->klass->image, sizeof (MonoExceptionClause));
10467 clause->flags = MONO_EXCEPTION_CLAUSE_FINALLY;
10470 mono_marshal_lock ();
10472 if (!enter_method) {
10473 MonoMethodDesc *desc;
10475 desc = mono_method_desc_new ("Monitor:Enter", FALSE);
10476 enter_method = mono_method_desc_search_in_class (desc, mono_defaults.monitor_class);
10477 g_assert (enter_method);
10478 mono_method_desc_free (desc);
10480 desc = mono_method_desc_new ("Monitor:Exit", FALSE);
10481 exit_method = mono_method_desc_search_in_class (desc, mono_defaults.monitor_class);
10482 g_assert (exit_method);
10483 mono_method_desc_free (desc);
10485 desc = mono_method_desc_new ("Type:GetTypeFromHandle", FALSE);
10486 gettypefromhandle_method = mono_method_desc_search_in_class (desc, mono_defaults.systemtype_class);
10487 g_assert (gettypefromhandle_method);
10488 mono_method_desc_free (desc);
10491 mono_marshal_unlock ();
10493 #ifndef DISABLE_JIT
10494 /* Push this or the type object */
10495 if (method->flags & METHOD_ATTRIBUTE_STATIC) {
10496 /* We have special handling for this in the JIT */
10497 int index = mono_mb_add_data (mb, method->klass);
10498 mono_mb_add_data (mb, mono_defaults.typehandle_class);
10499 mono_mb_emit_byte (mb, CEE_LDTOKEN);
10500 mono_mb_emit_i4 (mb, index);
10502 mono_mb_emit_managed_call (mb, gettypefromhandle_method, NULL);
10505 mono_mb_emit_ldarg (mb, 0);
10506 mono_mb_emit_stloc (mb, this_local);
10508 /* Call Monitor::Enter() */
10509 mono_mb_emit_ldloc (mb, this_local);
10510 mono_mb_emit_managed_call (mb, enter_method, NULL);
10512 clause->try_offset = mono_mb_get_label (mb);
10514 /* Call the method */
10516 mono_mb_emit_ldarg (mb, 0);
10517 for (i = 0; i < sig->param_count; i++)
10518 mono_mb_emit_ldarg (mb, i + (sig->hasthis == TRUE));
10521 mono_mb_emit_managed_call (mb, mono_class_inflate_generic_method (method, &container->context), NULL);
10523 mono_mb_emit_managed_call (mb, method, NULL);
10525 if (!MONO_TYPE_IS_VOID (sig->ret))
10526 mono_mb_emit_stloc (mb, ret_local);
10528 pos = mono_mb_emit_branch (mb, CEE_LEAVE);
10530 clause->try_len = mono_mb_get_pos (mb) - clause->try_offset;
10531 clause->handler_offset = mono_mb_get_label (mb);
10533 /* Call Monitor::Exit() */
10534 mono_mb_emit_ldloc (mb, this_local);
10535 mono_mb_emit_managed_call (mb, exit_method, NULL);
10536 mono_mb_emit_byte (mb, CEE_ENDFINALLY);
10538 clause->handler_len = mono_mb_get_pos (mb) - clause->handler_offset;
10540 mono_mb_patch_branch (mb, pos);
10541 if (!MONO_TYPE_IS_VOID (sig->ret))
10542 mono_mb_emit_ldloc (mb, ret_local);
10543 mono_mb_emit_byte (mb, CEE_RET);
10545 mono_mb_set_clauses (mb, 1, clause);
10550 def = mono_mb_create_and_cache (cache, method, mb, sig, sig->param_count + 16);
10551 res = cache_generic_wrapper (cache, orig_method, def, ctx, orig_method);
10553 res = mono_mb_create_and_cache (cache, method,
10554 mb, sig, sig->param_count + 16);
10563 * the returned method calls 'method' unboxing the this argument
10566 mono_marshal_get_unbox_wrapper (MonoMethod *method)
10568 MonoMethodSignature *sig = mono_method_signature (method);
10570 MonoMethodBuilder *mb;
10574 cache = get_cache (&method->klass->image->unbox_wrapper_cache, mono_aligned_addr_hash, NULL);
10575 if ((res = mono_marshal_find_in_cache (cache, method)))
10578 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_UNBOX);
10580 g_assert (sig->hasthis);
10582 #ifndef DISABLE_JIT
10583 mono_mb_emit_ldarg (mb, 0);
10584 mono_mb_emit_icon (mb, sizeof (MonoObject));
10585 mono_mb_emit_byte (mb, CEE_ADD);
10586 for (i = 0; i < sig->param_count; ++i)
10587 mono_mb_emit_ldarg (mb, i + 1);
10588 mono_mb_emit_managed_call (mb, method, NULL);
10589 mono_mb_emit_byte (mb, CEE_RET);
10592 res = mono_mb_create_and_cache (cache, method,
10593 mb, sig, sig->param_count + 16);
10596 /* code_for (res); */
10602 STELEMREF_OBJECT, /*no check at all*/
10603 STELEMREF_SEALED_CLASS, /*check vtable->klass->element_type */
10604 STELEMREF_CLASS, /*only the klass->parents check*/
10605 STELEMREF_INTERFACE, /*interfaces without variant generic arguments. */
10606 STELEMREF_COMPLEX, /*arrays, MBR or types with variant generic args - go straight to icalls*/
10607 STELEMREF_KIND_COUNT
10610 static const char *strelemref_wrapper_name[] = {
10611 "object", "sealed_class", "class", "interface", "complex"
10615 is_monomorphic_array (MonoClass *klass)
10617 MonoClass *element_class;
10618 if (klass->rank != 1)
10621 element_class = klass->element_class;
10622 return (element_class->flags & TYPE_ATTRIBUTE_SEALED) || element_class->valuetype;
10626 get_virtual_stelemref_kind (MonoClass *element_class)
10628 if (element_class == mono_defaults.object_class)
10629 return STELEMREF_OBJECT;
10630 if (is_monomorphic_array (element_class))
10631 return STELEMREF_SEALED_CLASS;
10632 /* Compressed interface bitmaps require code that is quite complex, so don't optimize for it. */
10633 if (MONO_CLASS_IS_INTERFACE (element_class) && !mono_class_has_variant_generic_params (element_class))
10634 #ifdef COMPRESSED_INTERFACE_BITMAP
10635 return STELEMREF_COMPLEX;
10637 return STELEMREF_INTERFACE;
10639 /*Arrays are sealed but are covariant on their element type, We can't use any of the fast paths.*/
10640 if (mono_class_is_marshalbyref (element_class) || element_class->rank || mono_class_has_variant_generic_params (element_class))
10641 return STELEMREF_COMPLEX;
10642 if (element_class->flags & TYPE_ATTRIBUTE_SEALED)
10643 return STELEMREF_SEALED_CLASS;
10644 return STELEMREF_CLASS;
10647 #ifndef DISABLE_JIT
10650 load_array_element_address (MonoMethodBuilder *mb)
10652 mono_mb_emit_ldarg (mb, 0);
10653 mono_mb_emit_ldarg (mb, 1);
10654 mono_mb_emit_op (mb, CEE_LDELEMA, mono_defaults.object_class);
10658 load_array_class (MonoMethodBuilder *mb, int aklass)
10660 mono_mb_emit_ldarg (mb, 0);
10661 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
10662 mono_mb_emit_byte (mb, CEE_LDIND_I);
10663 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, klass));
10664 mono_mb_emit_byte (mb, CEE_LDIND_I);
10665 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, element_class));
10666 mono_mb_emit_byte (mb, CEE_LDIND_I);
10667 mono_mb_emit_stloc (mb, aklass);
10671 load_value_class (MonoMethodBuilder *mb, int vklass)
10673 mono_mb_emit_ldarg (mb, 2);
10674 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
10675 mono_mb_emit_byte (mb, CEE_LDIND_I);
10676 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, klass));
10677 mono_mb_emit_byte (mb, CEE_LDIND_I);
10678 mono_mb_emit_stloc (mb, vklass);
10684 record_slot_vstore (MonoObject *array, size_t index, MonoObject *value)
10686 char *name = mono_type_get_full_name (array->vtable->klass->element_class);
10687 printf ("slow vstore of %s\n", name);
10693 * The wrapper info for the wrapper is a WrapperInfo structure.
10696 * - Separate simple interfaces from variant interfaces or mbr types. This way we can avoid the icall for them.
10697 * - Emit a (new) mono bytecode that produces OP_COND_EXC_NE_UN to raise ArrayTypeMismatch
10698 * - Maybe mve some MonoClass field into the vtable to reduce the number of loads
10699 * - Add a case for arrays of arrays.
10702 get_virtual_stelemref_wrapper (int kind)
10704 static MonoMethod *cached_methods [STELEMREF_KIND_COUNT] = { NULL }; /*object iface sealed regular*/
10705 static MonoMethodSignature *signature;
10706 MonoMethodBuilder *mb;
10709 const char *param_names [16];
10710 guint32 b1, b2, b3;
10711 int aklass, vklass, vtable, uiid;
10712 int array_slot_addr;
10715 if (cached_methods [kind])
10716 return cached_methods [kind];
10718 name = g_strdup_printf ("virt_stelemref_%s", strelemref_wrapper_name [kind]);
10719 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_STELEMREF);
10723 MonoMethodSignature *sig = mono_metadata_signature_alloc (mono_defaults.corlib, 2);
10725 /* void this::stelemref (size_t idx, void* value) */
10726 sig->ret = &mono_defaults.void_class->byval_arg;
10727 sig->hasthis = TRUE;
10728 sig->params [0] = &mono_defaults.int_class->byval_arg; /* this is a natural sized int */
10729 sig->params [1] = &mono_defaults.object_class->byval_arg;
10733 #ifndef DISABLE_JIT
10734 param_names [0] = "index";
10735 param_names [1] = "value";
10736 mono_mb_set_param_names (mb, param_names);
10738 /*For now simply call plain old stelemref*/
10740 case STELEMREF_OBJECT:
10741 /* ldelema (implicit bound check) */
10742 load_array_element_address (mb);
10744 mono_mb_emit_ldarg (mb, 2);
10745 mono_mb_emit_byte (mb, CEE_STIND_REF);
10746 mono_mb_emit_byte (mb, CEE_RET);
10749 case STELEMREF_COMPLEX:
10751 <ldelema (bound check)>
10754 if (!mono_object_isinst (value, aklass))
10758 *array_slot_addr = value;
10761 throw new ArrayTypeMismatchException ();
10764 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10765 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
10769 /*Use this to debug/record stores that are going thru the slow path*/
10770 MonoMethodSignature *csig;
10771 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
10772 csig->ret = &mono_defaults.void_class->byval_arg;
10773 csig->params [0] = &mono_defaults.object_class->byval_arg;
10774 csig->params [1] = &mono_defaults.int_class->byval_arg; /* this is a natural sized int */
10775 csig->params [2] = &mono_defaults.object_class->byval_arg;
10776 mono_mb_emit_ldarg (mb, 0);
10777 mono_mb_emit_ldarg (mb, 1);
10778 mono_mb_emit_ldarg (mb, 2);
10779 mono_mb_emit_native_call (mb, csig, record_slot_vstore);
10783 /* ldelema (implicit bound check) */
10784 load_array_element_address (mb);
10785 mono_mb_emit_stloc (mb, array_slot_addr);
10787 /* if (!value) goto do_store */
10788 mono_mb_emit_ldarg (mb, 2);
10789 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
10791 /* aklass = array->vtable->klass->element_class */
10792 load_array_class (mb, aklass);
10794 /*if (mono_object_isinst (value, aklass)) */
10795 mono_mb_emit_ldarg (mb, 2);
10796 mono_mb_emit_ldloc (mb, aklass);
10797 mono_mb_emit_icall (mb, mono_object_isinst);
10798 b2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
10801 mono_mb_patch_branch (mb, b1);
10802 mono_mb_emit_ldloc (mb, array_slot_addr);
10803 mono_mb_emit_ldarg (mb, 2);
10804 mono_mb_emit_byte (mb, CEE_STIND_REF);
10805 mono_mb_emit_byte (mb, CEE_RET);
10807 /* do_exception: */
10808 mono_mb_patch_branch (mb, b2);
10810 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
10813 case STELEMREF_SEALED_CLASS:
10815 <ldelema (bound check)>
10819 aklass = array->vtable->klass->element_class;
10820 vklass = value->vtable->klass;
10822 if (vklass != aklass)
10826 *array_slot_addr = value;
10829 throw new ArrayTypeMismatchException ();
10831 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10832 vklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10833 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
10836 /* ldelema (implicit bound check) */
10837 load_array_element_address (mb);
10838 mono_mb_emit_stloc (mb, array_slot_addr);
10840 /* if (!value) goto do_store */
10841 mono_mb_emit_ldarg (mb, 2);
10842 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
10844 /* aklass = array->vtable->klass->element_class */
10845 load_array_class (mb, aklass);
10847 /* vklass = value->vtable->klass */
10848 load_value_class (mb, vklass);
10850 /*if (vklass != aklass) goto do_exception; */
10851 mono_mb_emit_ldloc (mb, aklass);
10852 mono_mb_emit_ldloc (mb, vklass);
10853 b2 = mono_mb_emit_branch (mb, CEE_BNE_UN);
10856 mono_mb_patch_branch (mb, b1);
10857 mono_mb_emit_ldloc (mb, array_slot_addr);
10858 mono_mb_emit_ldarg (mb, 2);
10859 mono_mb_emit_byte (mb, CEE_STIND_REF);
10860 mono_mb_emit_byte (mb, CEE_RET);
10862 /* do_exception: */
10863 mono_mb_patch_branch (mb, b2);
10864 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
10867 case STELEMREF_CLASS:
10870 <ldelema (bound check)>
10874 aklass = array->vtable->klass->element_class;
10875 vklass = value->vtable->klass;
10877 if (vklass->idepth < aklass->idepth)
10880 if (vklass->supertypes [aklass->idepth - 1] != aklass)
10884 *array_slot_addr = value;
10888 throw new ArrayTypeMismatchException ();
10890 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10891 vklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10892 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
10894 /* ldelema (implicit bound check) */
10895 load_array_element_address (mb);
10896 mono_mb_emit_stloc (mb, array_slot_addr);
10898 /* if (!value) goto do_store */
10899 mono_mb_emit_ldarg (mb, 2);
10900 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
10902 /* aklass = array->vtable->klass->element_class */
10903 load_array_class (mb, aklass);
10905 /* vklass = value->vtable->klass */
10906 load_value_class (mb, vklass);
10908 /*if (mono_object_isinst (value, aklass)) */
10909 mono_mb_emit_ldarg (mb, 2);
10910 mono_mb_emit_ldloc (mb, aklass);
10911 mono_mb_emit_icall (mb, mono_object_isinst);
10912 b2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
10914 /* if (vklass->idepth < aklass->idepth) goto failue */
10915 mono_mb_emit_ldloc (mb, vklass);
10916 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
10917 mono_mb_emit_byte (mb, CEE_LDIND_U2);
10919 mono_mb_emit_ldloc (mb, aklass);
10920 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
10921 mono_mb_emit_byte (mb, CEE_LDIND_U2);
10923 b2 = mono_mb_emit_branch (mb, CEE_BLT_UN);
10925 /* if (vklass->supertypes [aklass->idepth - 1] != aklass) goto failure */
10926 mono_mb_emit_ldloc (mb, vklass);
10927 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, supertypes));
10928 mono_mb_emit_byte (mb, CEE_LDIND_I);
10930 mono_mb_emit_ldloc (mb, aklass);
10931 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
10932 mono_mb_emit_byte (mb, CEE_LDIND_U2);
10933 mono_mb_emit_icon (mb, 1);
10934 mono_mb_emit_byte (mb, CEE_SUB);
10935 mono_mb_emit_icon (mb, sizeof (void*));
10936 mono_mb_emit_byte (mb, CEE_MUL);
10937 mono_mb_emit_byte (mb, CEE_ADD);
10938 mono_mb_emit_byte (mb, CEE_LDIND_I);
10940 mono_mb_emit_ldloc (mb, aklass);
10941 b3 = mono_mb_emit_branch (mb, CEE_BNE_UN);
10944 mono_mb_patch_branch (mb, b1);
10945 mono_mb_emit_ldloc (mb, array_slot_addr);
10946 mono_mb_emit_ldarg (mb, 2);
10947 mono_mb_emit_byte (mb, CEE_STIND_REF);
10948 mono_mb_emit_byte (mb, CEE_RET);
10950 /* do_exception: */
10951 mono_mb_patch_branch (mb, b2);
10952 mono_mb_patch_branch (mb, b3);
10954 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
10957 case STELEMREF_INTERFACE:
10964 klass = array->obj.vtable->klass->element_class;
10965 vt = value->vtable;
10966 uiid = klass->interface_id;
10967 if (uiid > vt->max_interface_id)
10969 if (!(vt->interface_bitmap [(uiid) >> 3] & (1 << ((uiid)&7))))
10972 mono_array_setref (array, index, value);
10975 mono_raise_exception (mono_get_exception_array_type_mismatch ());*/
10977 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
10978 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10979 vtable = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10980 uiid = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
10982 /* ldelema (implicit bound check) */
10983 load_array_element_address (mb);
10984 mono_mb_emit_stloc (mb, array_slot_addr);
10986 /* if (!value) goto do_store */
10987 mono_mb_emit_ldarg (mb, 2);
10988 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
10990 /* klass = array->vtable->klass->element_class */
10991 load_array_class (mb, aklass);
10993 /* vt = value->vtable */
10994 mono_mb_emit_ldarg (mb, 2);
10995 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
10996 mono_mb_emit_byte (mb, CEE_LDIND_I);
10997 mono_mb_emit_stloc (mb, vtable);
10999 /* uiid = klass->interface_id; */
11000 mono_mb_emit_ldloc (mb, aklass);
11001 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, interface_id));
11002 mono_mb_emit_byte (mb, CEE_LDIND_U2);
11003 mono_mb_emit_stloc (mb, uiid);
11005 /*if (uiid > vt->max_interface_id)*/
11006 mono_mb_emit_ldloc (mb, uiid);
11007 mono_mb_emit_ldloc (mb, vtable);
11008 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, max_interface_id));
11009 mono_mb_emit_byte (mb, CEE_LDIND_U2);
11010 b2 = mono_mb_emit_branch (mb, CEE_BGT_UN);
11012 /* if (!(vt->interface_bitmap [(uiid) >> 3] & (1 << ((uiid)&7)))) */
11014 /*vt->interface_bitmap*/
11015 mono_mb_emit_ldloc (mb, vtable);
11016 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, interface_bitmap));
11017 mono_mb_emit_byte (mb, CEE_LDIND_I);
11020 mono_mb_emit_ldloc (mb, uiid);
11021 mono_mb_emit_icon (mb, 3);
11022 mono_mb_emit_byte (mb, CEE_SHR_UN);
11024 /*vt->interface_bitmap [(uiid) >> 3]*/
11025 mono_mb_emit_byte (mb, CEE_ADD); /*interface_bitmap is a guint8 array*/
11026 mono_mb_emit_byte (mb, CEE_LDIND_U1);
11028 /*(1 << ((uiid)&7)))*/
11029 mono_mb_emit_icon (mb, 1);
11030 mono_mb_emit_ldloc (mb, uiid);
11031 mono_mb_emit_icon (mb, 7);
11032 mono_mb_emit_byte (mb, CEE_AND);
11033 mono_mb_emit_byte (mb, CEE_SHL);
11035 /*bitwise and the whole thing*/
11036 mono_mb_emit_byte (mb, CEE_AND);
11037 b3 = mono_mb_emit_branch (mb, CEE_BRFALSE);
11040 mono_mb_patch_branch (mb, b1);
11041 mono_mb_emit_ldloc (mb, array_slot_addr);
11042 mono_mb_emit_ldarg (mb, 2);
11043 mono_mb_emit_byte (mb, CEE_STIND_REF);
11044 mono_mb_emit_byte (mb, CEE_RET);
11046 /* do_exception: */
11047 mono_mb_patch_branch (mb, b2);
11048 mono_mb_patch_branch (mb, b3);
11049 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
11053 mono_mb_emit_ldarg (mb, 0);
11054 mono_mb_emit_ldarg (mb, 1);
11055 mono_mb_emit_ldarg (mb, 2);
11056 mono_mb_emit_managed_call (mb, mono_marshal_get_stelemref (), NULL);
11057 mono_mb_emit_byte (mb, CEE_RET);
11060 #endif /* DISABLE_JIT */
11062 res = mono_mb_create_method (mb, signature, 4);
11063 res->flags |= METHOD_ATTRIBUTE_VIRTUAL;
11065 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_VIRTUAL_STELEMREF);
11066 info->d.virtual_stelemref.kind = kind;
11067 mono_marshal_set_wrapper_info (res, info);
11069 mono_marshal_lock ();
11070 if (!cached_methods [kind]) {
11071 cached_methods [kind] = res;
11072 mono_marshal_unlock ();
11074 mono_marshal_unlock ();
11075 mono_free_method (res);
11079 return cached_methods [kind];
11083 mono_marshal_get_virtual_stelemref (MonoClass *array_class)
11087 g_assert (array_class->rank == 1);
11088 kind = get_virtual_stelemref_kind (array_class->element_class);
11090 return get_virtual_stelemref_wrapper (kind);
11094 mono_marshal_get_virtual_stelemref_wrappers (int *nwrappers)
11099 *nwrappers = STELEMREF_KIND_COUNT;
11100 res = g_malloc0 (STELEMREF_KIND_COUNT * sizeof (MonoMethod*));
11101 for (i = 0; i < STELEMREF_KIND_COUNT; ++i)
11102 res [i] = get_virtual_stelemref_wrapper (i);
11107 * The wrapper info for the wrapper is a WrapperInfo structure.
11110 mono_marshal_get_stelemref ()
11112 static MonoMethod* ret = NULL;
11113 MonoMethodSignature *sig;
11114 MonoMethodBuilder *mb;
11117 guint32 b1, b2, b3, b4;
11119 int aklass, vklass;
11120 int array_slot_addr;
11125 mb = mono_mb_new (mono_defaults.object_class, "stelemref", MONO_WRAPPER_STELEMREF);
11128 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
11130 /* void stelemref (void* array, int idx, void* value) */
11131 sig->ret = &mono_defaults.void_class->byval_arg;
11132 sig->params [0] = &mono_defaults.object_class->byval_arg;
11133 sig->params [1] = &mono_defaults.int_class->byval_arg; /* this is a natural sized int */
11134 sig->params [2] = &mono_defaults.object_class->byval_arg;
11136 #ifndef DISABLE_JIT
11137 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
11138 vklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
11139 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
11143 <ldelema (bound check)>
11147 aklass = array->vtable->klass->element_class;
11148 vklass = value->vtable->klass;
11150 if (vklass->idepth < aklass->idepth)
11153 if (vklass->supertypes [aklass->idepth - 1] != aklass)
11157 *array_slot_addr = value;
11161 if (mono_object_isinst (value, aklass))
11164 throw new ArrayTypeMismatchException ();
11167 /* ldelema (implicit bound check) */
11168 mono_mb_emit_ldarg (mb, 0);
11169 mono_mb_emit_ldarg (mb, 1);
11170 mono_mb_emit_op (mb, CEE_LDELEMA, mono_defaults.object_class);
11171 mono_mb_emit_stloc (mb, array_slot_addr);
11173 /* if (!value) goto do_store */
11174 mono_mb_emit_ldarg (mb, 2);
11175 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
11177 /* aklass = array->vtable->klass->element_class */
11178 mono_mb_emit_ldarg (mb, 0);
11179 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
11180 mono_mb_emit_byte (mb, CEE_LDIND_I);
11181 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, klass));
11182 mono_mb_emit_byte (mb, CEE_LDIND_I);
11183 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, element_class));
11184 mono_mb_emit_byte (mb, CEE_LDIND_I);
11185 mono_mb_emit_stloc (mb, aklass);
11187 /* vklass = value->vtable->klass */
11188 mono_mb_emit_ldarg (mb, 2);
11189 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
11190 mono_mb_emit_byte (mb, CEE_LDIND_I);
11191 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, klass));
11192 mono_mb_emit_byte (mb, CEE_LDIND_I);
11193 mono_mb_emit_stloc (mb, vklass);
11195 /* if (vklass->idepth < aklass->idepth) goto failue */
11196 mono_mb_emit_ldloc (mb, vklass);
11197 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
11198 mono_mb_emit_byte (mb, CEE_LDIND_U2);
11200 mono_mb_emit_ldloc (mb, aklass);
11201 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
11202 mono_mb_emit_byte (mb, CEE_LDIND_U2);
11204 b2 = mono_mb_emit_branch (mb, CEE_BLT_UN);
11206 /* if (vklass->supertypes [aklass->idepth - 1] != aklass) goto failure */
11207 mono_mb_emit_ldloc (mb, vklass);
11208 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, supertypes));
11209 mono_mb_emit_byte (mb, CEE_LDIND_I);
11211 mono_mb_emit_ldloc (mb, aklass);
11212 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
11213 mono_mb_emit_byte (mb, CEE_LDIND_U2);
11214 mono_mb_emit_icon (mb, 1);
11215 mono_mb_emit_byte (mb, CEE_SUB);
11216 mono_mb_emit_icon (mb, sizeof (void*));
11217 mono_mb_emit_byte (mb, CEE_MUL);
11218 mono_mb_emit_byte (mb, CEE_ADD);
11219 mono_mb_emit_byte (mb, CEE_LDIND_I);
11221 mono_mb_emit_ldloc (mb, aklass);
11223 b3 = mono_mb_emit_branch (mb, CEE_BNE_UN);
11225 copy_pos = mono_mb_get_label (mb);
11227 mono_mb_patch_branch (mb, b1);
11228 mono_mb_emit_ldloc (mb, array_slot_addr);
11229 mono_mb_emit_ldarg (mb, 2);
11230 mono_mb_emit_byte (mb, CEE_STIND_REF);
11232 mono_mb_emit_byte (mb, CEE_RET);
11235 mono_mb_patch_branch (mb, b2);
11236 mono_mb_patch_branch (mb, b3);
11238 mono_mb_emit_ldarg (mb, 2);
11239 mono_mb_emit_ldloc (mb, aklass);
11240 mono_mb_emit_icall (mb, mono_object_isinst);
11242 b4 = mono_mb_emit_branch (mb, CEE_BRTRUE);
11243 mono_mb_patch_addr (mb, b4, copy_pos - (b4 + 4));
11244 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
11246 mono_mb_emit_byte (mb, CEE_RET);
11249 ret = mono_mb_create_method (mb, sig, 4);
11252 info = mono_wrapper_info_create (ret, WRAPPER_SUBTYPE_NONE);
11253 mono_marshal_set_wrapper_info (ret, info);
11259 * mono_marshal_get_gsharedvt_in_wrapper:
11261 * This wrapper handles calls from normal code to gsharedvt code.
11263 * The wrapper info for the wrapper is a WrapperInfo structure.
11266 mono_marshal_get_gsharedvt_in_wrapper (void)
11268 static MonoMethod* ret = NULL;
11269 MonoMethodSignature *sig;
11270 MonoMethodBuilder *mb;
11276 mb = mono_mb_new (mono_defaults.object_class, "gsharedvt_in", MONO_WRAPPER_UNKNOWN);
11278 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
11279 sig->ret = &mono_defaults.void_class->byval_arg;
11281 #ifndef DISABLE_JIT
11283 * The body is generated by the JIT, we use a wrapper instead of a trampoline so EH works.
11285 mono_mb_emit_byte (mb, CEE_RET);
11288 ret = mono_mb_create_method (mb, sig, 4);
11291 info = mono_wrapper_info_create (ret, WRAPPER_SUBTYPE_GSHAREDVT_IN);
11292 mono_marshal_set_wrapper_info (ret, info);
11298 * mono_marshal_get_gsharedvt_out_wrapper:
11300 * This wrapper handles calls from gsharedvt code to normal code.
11302 * The wrapper info for the wrapper is a WrapperInfo structure.
11305 mono_marshal_get_gsharedvt_out_wrapper (void)
11307 static MonoMethod* ret = NULL;
11308 MonoMethodSignature *sig;
11309 MonoMethodBuilder *mb;
11315 mb = mono_mb_new (mono_defaults.object_class, "gsharedvt_out", MONO_WRAPPER_UNKNOWN);
11317 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
11318 sig->ret = &mono_defaults.void_class->byval_arg;
11320 #ifndef DISABLE_JIT
11322 * The body is generated by the JIT, we use a wrapper instead of a trampoline so EH works.
11324 mono_mb_emit_byte (mb, CEE_RET);
11327 ret = mono_mb_create_method (mb, sig, 4);
11330 info = mono_wrapper_info_create (ret, WRAPPER_SUBTYPE_GSHAREDVT_OUT);
11331 mono_marshal_set_wrapper_info (ret, info);
11339 MonoMethod *method;
11342 /* LOCKING: vars accessed under the marshal lock */
11343 static ArrayElemAddr *elem_addr_cache = NULL;
11344 static int elem_addr_cache_size = 0;
11345 static int elem_addr_cache_next = 0;
11348 * mono_marshal_get_array_address:
11349 * @rank: rank of the array type
11350 * @elem_size: size in bytes of an element of an array.
11352 * Returns a MonoMethd that implements the code to get the address
11353 * of an element in a multi-dimenasional array of @rank dimensions.
11354 * The returned method takes an array as the first argument and then
11355 * @rank indexes for the @rank dimensions.
11358 mono_marshal_get_array_address (int rank, int elem_size)
11361 MonoMethodBuilder *mb;
11362 MonoMethodSignature *sig;
11363 int i, bounds, ind, realidx;
11364 int branch_pos, *branch_positions;
11368 mono_marshal_lock ();
11369 for (i = 0; i < elem_addr_cache_next; ++i) {
11370 if (elem_addr_cache [i].rank == rank && elem_addr_cache [i].elem_size == elem_size) {
11371 ret = elem_addr_cache [i].method;
11375 mono_marshal_unlock ();
11379 branch_positions = g_new0 (int, rank);
11381 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1 + rank);
11383 /* void* address (void* array, int idx0, int idx1, int idx2, ...) */
11384 sig->ret = &mono_defaults.int_class->byval_arg;
11385 sig->params [0] = &mono_defaults.object_class->byval_arg;
11386 for (i = 0; i < rank; ++i) {
11387 sig->params [i + 1] = &mono_defaults.int32_class->byval_arg;
11390 mb = mono_mb_new (mono_defaults.object_class, "ElementAddr", MONO_WRAPPER_MANAGED_TO_MANAGED);
11392 #ifndef DISABLE_JIT
11393 bounds = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
11394 ind = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
11395 realidx = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
11397 /* bounds = array->bounds; */
11398 mono_mb_emit_ldarg (mb, 0);
11399 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoArray, bounds));
11400 mono_mb_emit_byte (mb, CEE_LDIND_I);
11401 mono_mb_emit_stloc (mb, bounds);
11403 /* ind is the overall element index, realidx is the partial index in a single dimension */
11404 /* ind = idx0 - bounds [0].lower_bound */
11405 mono_mb_emit_ldarg (mb, 1);
11406 mono_mb_emit_ldloc (mb, bounds);
11407 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArrayBounds, lower_bound));
11408 mono_mb_emit_byte (mb, CEE_ADD);
11409 mono_mb_emit_byte (mb, CEE_LDIND_I4);
11410 mono_mb_emit_byte (mb, CEE_SUB);
11411 mono_mb_emit_stloc (mb, ind);
11412 /* if (ind >= bounds [0].length) goto exeception; */
11413 mono_mb_emit_ldloc (mb, ind);
11414 mono_mb_emit_ldloc (mb, bounds);
11415 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArrayBounds, length));
11416 mono_mb_emit_byte (mb, CEE_ADD);
11417 mono_mb_emit_byte (mb, CEE_LDIND_I4);
11418 /* note that we use unsigned comparison */
11419 branch_pos = mono_mb_emit_branch (mb, CEE_BGE_UN);
11421 /* For large ranks (> 4?) use a loop n IL later to reduce code size.
11422 * We could also decide to ignore the passed elem_size and get it
11423 * from the array object, to reduce the number of methods we generate:
11424 * the additional cost is 3 memory loads and a non-immediate mul.
11426 for (i = 1; i < rank; ++i) {
11427 /* realidx = idxi - bounds [i].lower_bound */
11428 mono_mb_emit_ldarg (mb, 1 + i);
11429 mono_mb_emit_ldloc (mb, bounds);
11430 mono_mb_emit_icon (mb, (i * sizeof (MonoArrayBounds)) + G_STRUCT_OFFSET (MonoArrayBounds, lower_bound));
11431 mono_mb_emit_byte (mb, CEE_ADD);
11432 mono_mb_emit_byte (mb, CEE_LDIND_I4);
11433 mono_mb_emit_byte (mb, CEE_SUB);
11434 mono_mb_emit_stloc (mb, realidx);
11435 /* if (realidx >= bounds [i].length) goto exeception; */
11436 mono_mb_emit_ldloc (mb, realidx);
11437 mono_mb_emit_ldloc (mb, bounds);
11438 mono_mb_emit_icon (mb, (i * sizeof (MonoArrayBounds)) + G_STRUCT_OFFSET (MonoArrayBounds, length));
11439 mono_mb_emit_byte (mb, CEE_ADD);
11440 mono_mb_emit_byte (mb, CEE_LDIND_I4);
11441 branch_positions [i] = mono_mb_emit_branch (mb, CEE_BGE_UN);
11442 /* ind = ind * bounds [i].length + realidx */
11443 mono_mb_emit_ldloc (mb, ind);
11444 mono_mb_emit_ldloc (mb, bounds);
11445 mono_mb_emit_icon (mb, (i * sizeof (MonoArrayBounds)) + G_STRUCT_OFFSET (MonoArrayBounds, length));
11446 mono_mb_emit_byte (mb, CEE_ADD);
11447 mono_mb_emit_byte (mb, CEE_LDIND_I4);
11448 mono_mb_emit_byte (mb, CEE_MUL);
11449 mono_mb_emit_ldloc (mb, realidx);
11450 mono_mb_emit_byte (mb, CEE_ADD);
11451 mono_mb_emit_stloc (mb, ind);
11454 /* return array->vector + ind * element_size */
11455 mono_mb_emit_ldarg (mb, 0);
11456 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoArray, vector));
11457 mono_mb_emit_ldloc (mb, ind);
11458 mono_mb_emit_icon (mb, elem_size);
11459 mono_mb_emit_byte (mb, CEE_MUL);
11460 mono_mb_emit_byte (mb, CEE_ADD);
11461 mono_mb_emit_byte (mb, CEE_RET);
11463 /* patch the branches to get here and throw */
11464 for (i = 1; i < rank; ++i) {
11465 mono_mb_patch_branch (mb, branch_positions [i]);
11467 mono_mb_patch_branch (mb, branch_pos);
11468 /* throw exception */
11469 mono_mb_emit_exception (mb, "IndexOutOfRangeException", NULL);
11471 g_free (branch_positions);
11472 #endif /* DISABLE_JIT */
11474 ret = mono_mb_create_method (mb, sig, 4);
11477 /* cache the result */
11479 mono_marshal_lock ();
11480 for (i = 0; i < elem_addr_cache_next; ++i) {
11481 if (elem_addr_cache [i].rank == rank && elem_addr_cache [i].elem_size == elem_size) {
11482 /* FIXME: free ret */
11483 ret = elem_addr_cache [i].method;
11491 if (elem_addr_cache_next >= elem_addr_cache_size) {
11492 int new_size = elem_addr_cache_size + 4;
11493 ArrayElemAddr *new_array = g_new0 (ArrayElemAddr, new_size);
11494 memcpy (new_array, elem_addr_cache, elem_addr_cache_size * sizeof (ArrayElemAddr));
11495 g_free (elem_addr_cache);
11496 elem_addr_cache = new_array;
11497 elem_addr_cache_size = new_size;
11499 elem_addr_cache [elem_addr_cache_next].rank = rank;
11500 elem_addr_cache [elem_addr_cache_next].elem_size = elem_size;
11501 elem_addr_cache [elem_addr_cache_next].method = ret;
11502 elem_addr_cache_next ++;
11504 info = mono_wrapper_info_create (ret, WRAPPER_SUBTYPE_ELEMENT_ADDR);
11505 info->d.element_addr.rank = rank;
11506 info->d.element_addr.elem_size = elem_size;
11507 mono_marshal_set_wrapper_info (ret, info);
11509 mono_marshal_unlock ();
11514 * mono_marshal_get_array_accessor_wrapper:
11516 * Return a wrapper which just calls METHOD, which should be an Array Get/Set/Address method.
11519 mono_marshal_get_array_accessor_wrapper (MonoMethod *method)
11521 MonoMethodSignature *sig;
11522 MonoMethodBuilder *mb;
11526 MonoGenericContext *ctx = NULL;
11527 MonoMethod *orig_method = NULL;
11528 MonoGenericContainer *container = NULL;
11532 * These wrappers are needed to avoid the JIT replacing the calls to these methods with intrinsics
11533 * inside runtime invoke wrappers, thereby making the wrappers not unshareable.
11534 * FIXME: Use generic methods.
11541 g_assert_not_reached ();
11543 cache = get_cache (&method->klass->image->array_accessor_cache, mono_aligned_addr_hash, NULL);
11544 if ((res = mono_marshal_find_in_cache (cache, method)))
11548 sig = signature_dup (method->klass->image, mono_method_signature (method));
11551 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_UNKNOWN);
11553 #ifndef DISABLE_JIT
11554 /* Call the method */
11556 mono_mb_emit_ldarg (mb, 0);
11557 for (i = 0; i < sig->param_count; i++)
11558 mono_mb_emit_ldarg (mb, i + (sig->hasthis == TRUE));
11561 mono_mb_emit_managed_call (mb, mono_class_inflate_generic_method (method, &container->context), NULL);
11563 mono_mb_emit_managed_call (mb, method, NULL);
11564 mono_mb_emit_byte (mb, CEE_RET);
11569 def = mono_mb_create_and_cache (cache, method, mb, sig, sig->param_count + 16);
11570 res = cache_generic_wrapper (cache, orig_method, def, ctx, orig_method);
11572 res = mono_mb_create_and_cache (cache, method,
11573 mb, sig, sig->param_count + 16);
11574 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_ARRAY_ACCESSOR);
11575 info->d.array_accessor.method = method;
11576 mono_marshal_set_wrapper_info (res, info);
11584 mono_marshal_alloc (gulong size)
11589 res = CoTaskMemAlloc (size);
11591 res = g_try_malloc ((gulong)size);
11593 mono_gc_out_of_memory ((gulong)size);
11599 mono_marshal_free (gpointer ptr)
11602 CoTaskMemFree (ptr);
11609 mono_marshal_free_array (gpointer *ptr, int size)
11616 for (i = 0; i < size; i++)
11622 mono_marshal_string_to_utf16 (MonoString *s)
11624 return s ? mono_string_chars (s) : NULL;
11628 mono_marshal_string_to_utf16_copy (MonoString *s)
11633 gunichar2 *res = mono_marshal_alloc ((mono_string_length (s) * 2) + 2);
11634 memcpy (res, mono_string_chars (s), mono_string_length (s) * 2);
11635 res [mono_string_length (s)] = 0;
11641 * mono_marshal_set_last_error:
11643 * This function is invoked to set the last error value from a P/Invoke call
11644 * which has SetLastError set.
11647 mono_marshal_set_last_error (void)
11650 mono_native_tls_set_value (last_error_tls_id, GINT_TO_POINTER (GetLastError ()));
11652 mono_native_tls_set_value (last_error_tls_id, GINT_TO_POINTER (errno));
11657 mono_marshal_set_last_error_windows (int error)
11660 mono_native_tls_set_value (last_error_tls_id, GINT_TO_POINTER (error));
11665 ves_icall_System_Runtime_InteropServices_Marshal_copy_to_unmanaged (MonoArray *src, gint32 start_index,
11666 gpointer dest, gint32 length)
11671 MONO_ARCH_SAVE_REGS;
11673 MONO_CHECK_ARG_NULL (src);
11674 MONO_CHECK_ARG_NULL (dest);
11676 if (src->obj.vtable->klass->rank != 1)
11677 mono_raise_exception (mono_get_exception_argument ("array", "array is multi-dimensional"));
11678 if (start_index < 0)
11679 mono_raise_exception (mono_get_exception_argument ("startIndex", "Must be >= 0"));
11681 mono_raise_exception (mono_get_exception_argument ("length", "Must be >= 0"));
11682 if (start_index + length > mono_array_length (src))
11683 mono_raise_exception (mono_get_exception_argument ("length", "start_index + length > array length"));
11685 element_size = mono_array_element_size (src->obj.vtable->klass);
11687 /* no references should be involved */
11688 source_addr = mono_array_addr_with_size_fast (src, element_size, start_index);
11690 memcpy (dest, source_addr, length * element_size);
11694 ves_icall_System_Runtime_InteropServices_Marshal_copy_from_unmanaged (gpointer src, gint32 start_index,
11695 MonoArray *dest, gint32 length)
11700 MONO_ARCH_SAVE_REGS;
11702 MONO_CHECK_ARG_NULL (src);
11703 MONO_CHECK_ARG_NULL (dest);
11705 if (dest->obj.vtable->klass->rank != 1)
11706 mono_raise_exception (mono_get_exception_argument ("array", "array is multi-dimensional"));
11707 if (start_index < 0)
11708 mono_raise_exception (mono_get_exception_argument ("startIndex", "Must be >= 0"));
11710 mono_raise_exception (mono_get_exception_argument ("length", "Must be >= 0"));
11711 if (start_index + length > mono_array_length (dest))
11712 mono_raise_exception (mono_get_exception_argument ("length", "start_index + length > array length"));
11714 element_size = mono_array_element_size (dest->obj.vtable->klass);
11716 /* no references should be involved */
11717 dest_addr = mono_array_addr_with_size_fast (dest, element_size, start_index);
11719 memcpy (dest_addr, src, length * element_size);
11723 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringAnsi (char *ptr)
11725 MONO_ARCH_SAVE_REGS;
11730 return mono_string_new (mono_domain_get (), ptr);
11734 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringAnsi_len (char *ptr, gint32 len)
11736 MONO_ARCH_SAVE_REGS;
11739 mono_raise_exception (mono_get_exception_argument_null ("ptr"));
11740 g_assert_not_reached ();
11743 return mono_string_new_len (mono_domain_get (), ptr, len);
11748 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringUni (guint16 *ptr)
11750 MonoDomain *domain = mono_domain_get ();
11754 MONO_ARCH_SAVE_REGS;
11762 return mono_string_new_utf16 (domain, ptr, len);
11766 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringUni_len (guint16 *ptr, gint32 len)
11768 MonoDomain *domain = mono_domain_get ();
11770 MONO_ARCH_SAVE_REGS;
11773 mono_raise_exception (mono_get_exception_argument_null ("ptr"));
11774 g_assert_not_reached ();
11777 return mono_string_new_utf16 (domain, ptr, len);
11782 ves_icall_System_Runtime_InteropServices_Marshal_GetLastWin32Error (void)
11784 MONO_ARCH_SAVE_REGS;
11786 return (GPOINTER_TO_INT (mono_native_tls_get_value (last_error_tls_id)));
11790 ves_icall_System_Runtime_InteropServices_Marshal_SizeOf (MonoReflectionType *rtype)
11796 MONO_ARCH_SAVE_REGS;
11798 MONO_CHECK_ARG_NULL (rtype);
11800 type = rtype->type;
11801 klass = mono_class_from_mono_type (type);
11802 if (!mono_class_init (klass))
11803 mono_raise_exception (mono_class_get_exception_for_failure (klass));
11805 layout = (klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK);
11807 if (type->type == MONO_TYPE_PTR || type->type == MONO_TYPE_FNPTR) {
11808 return sizeof (gpointer);
11809 } else if (layout == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
11811 MonoException *exc;
11813 msg = g_strdup_printf ("Type %s cannot be marshaled as an unmanaged structure.", klass->name);
11814 exc = mono_get_exception_argument ("t", msg);
11816 mono_raise_exception (exc);
11820 return mono_class_native_size (klass, NULL);
11824 ves_icall_System_Runtime_InteropServices_Marshal_StructureToPtr (MonoObject *obj, gpointer dst, MonoBoolean delete_old)
11826 MonoMethod *method;
11829 MONO_ARCH_SAVE_REGS;
11831 MONO_CHECK_ARG_NULL (obj);
11832 MONO_CHECK_ARG_NULL (dst);
11834 method = mono_marshal_get_struct_to_ptr (obj->vtable->klass);
11838 pa [2] = &delete_old;
11840 mono_runtime_invoke (method, NULL, pa, NULL);
11844 ptr_to_structure (gpointer src, MonoObject *dst)
11846 MonoMethod *method;
11849 method = mono_marshal_get_ptr_to_struct (dst->vtable->klass);
11854 mono_runtime_invoke (method, NULL, pa, NULL);
11858 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure (gpointer src, MonoObject *dst)
11862 MONO_ARCH_SAVE_REGS;
11864 MONO_CHECK_ARG_NULL (src);
11865 MONO_CHECK_ARG_NULL (dst);
11867 t = mono_type_get_underlying_type (mono_class_get_type (dst->vtable->klass));
11869 if (t->type == MONO_TYPE_VALUETYPE) {
11870 MonoException *exc;
11873 tmp = g_strdup_printf ("Destination is a boxed value type.");
11874 exc = mono_get_exception_argument ("dst", tmp);
11877 mono_raise_exception (exc);
11881 ptr_to_structure (src, dst);
11885 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure_type (gpointer src, MonoReflectionType *type)
11888 MonoDomain *domain = mono_domain_get ();
11891 MONO_ARCH_SAVE_REGS;
11895 MONO_CHECK_ARG_NULL (type);
11897 klass = mono_class_from_mono_type (type->type);
11898 if (!mono_class_init (klass))
11899 mono_raise_exception (mono_class_get_exception_for_failure (klass));
11901 res = mono_object_new (domain, klass);
11903 ptr_to_structure (src, res);
11909 ves_icall_System_Runtime_InteropServices_Marshal_OffsetOf (MonoReflectionType *type, MonoString *field_name)
11911 MonoMarshalType *info;
11914 int match_index = -1;
11916 MONO_ARCH_SAVE_REGS;
11918 MONO_CHECK_ARG_NULL (type);
11919 MONO_CHECK_ARG_NULL (field_name);
11921 fname = mono_string_to_utf8 (field_name);
11922 klass = mono_class_from_mono_type (type->type);
11923 if (!mono_class_init (klass))
11924 mono_raise_exception (mono_class_get_exception_for_failure (klass));
11926 while (klass && match_index == -1) {
11927 MonoClassField* field;
11929 gpointer iter = NULL;
11930 while ((field = mono_class_get_fields (klass, &iter))) {
11931 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
11933 if (!strcmp (fname, mono_field_get_name (field))) {
11940 if (match_index == -1)
11941 klass = klass->parent;
11946 if(match_index == -1) {
11947 MonoException* exc;
11950 /* Get back original class instance */
11951 klass = mono_class_from_mono_type (type->type);
11953 tmp = g_strdup_printf ("Field passed in is not a marshaled member of the type %s", klass->name);
11954 exc = mono_get_exception_argument ("fieldName", tmp);
11957 mono_raise_exception ((MonoException*)exc);
11960 info = mono_marshal_load_type_info (klass);
11961 return info->fields [match_index].offset;
11965 ves_icall_System_Runtime_InteropServices_Marshal_StringToHGlobalAnsi (MonoString *string)
11970 tres = mono_string_to_utf8 (string);
11974 len = strlen (tres) + 1;
11975 ret = ves_icall_System_Runtime_InteropServices_Marshal_AllocHGlobal (len);
11976 memcpy (ret, tres, len);
11981 return mono_string_to_utf8 (string);
11986 ves_icall_System_Runtime_InteropServices_Marshal_StringToHGlobalUni (MonoString *string)
11988 MONO_ARCH_SAVE_REGS;
11990 if (string == NULL)
11993 #ifdef TARGET_WIN32
11994 gunichar2 *res = ves_icall_System_Runtime_InteropServices_Marshal_AllocHGlobal
11995 ((mono_string_length (string) + 1) * 2);
11997 gunichar2 *res = g_malloc ((mono_string_length (string) + 1) * 2);
11999 memcpy (res, mono_string_chars (string), mono_string_length (string) * 2);
12000 res [mono_string_length (string)] = 0;
12006 mono_struct_delete_old (MonoClass *klass, char *ptr)
12008 MonoMarshalType *info;
12011 info = mono_marshal_load_type_info (klass);
12013 for (i = 0; i < info->num_fields; i++) {
12014 MonoMarshalNative ntype;
12015 MonoMarshalConv conv;
12016 MonoType *ftype = info->fields [i].field->type;
12019 if (ftype->attrs & FIELD_ATTRIBUTE_STATIC)
12022 ntype = mono_type_to_unmanaged (ftype, info->fields [i].mspec, TRUE,
12023 klass->unicode, &conv);
12025 cpos = ptr + info->fields [i].offset;
12028 case MONO_MARSHAL_CONV_NONE:
12029 if (MONO_TYPE_ISSTRUCT (ftype)) {
12030 mono_struct_delete_old (ftype->data.klass, cpos);
12034 case MONO_MARSHAL_CONV_STR_LPWSTR:
12035 /* We assume this field points inside a MonoString */
12037 case MONO_MARSHAL_CONV_STR_LPTSTR:
12038 #ifdef TARGET_WIN32
12039 /* We assume this field points inside a MonoString
12043 case MONO_MARSHAL_CONV_STR_LPSTR:
12044 case MONO_MARSHAL_CONV_STR_BSTR:
12045 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
12046 case MONO_MARSHAL_CONV_STR_TBSTR:
12047 mono_marshal_free (*(gpointer *)cpos);
12057 ves_icall_System_Runtime_InteropServices_Marshal_DestroyStructure (gpointer src, MonoReflectionType *type)
12061 MONO_ARCH_SAVE_REGS;
12063 MONO_CHECK_ARG_NULL (src);
12064 MONO_CHECK_ARG_NULL (type);
12066 klass = mono_class_from_mono_type (type->type);
12067 if (!mono_class_init (klass))
12068 mono_raise_exception (mono_class_get_exception_for_failure (klass));
12070 mono_struct_delete_old (klass, (char *)src);
12074 ves_icall_System_Runtime_InteropServices_Marshal_AllocHGlobal (int size)
12078 MONO_ARCH_SAVE_REGS;
12080 if ((gulong)size == 0)
12081 /* This returns a valid pointer for size 0 on MS.NET */
12085 res = GlobalAlloc (GMEM_FIXED, (gulong)size);
12087 res = g_try_malloc ((gulong)size);
12090 mono_gc_out_of_memory ((gulong)size);
12096 ves_icall_System_Runtime_InteropServices_Marshal_ReAllocHGlobal (gpointer ptr, int size)
12101 mono_gc_out_of_memory ((gulong)size);
12106 res = GlobalReAlloc (ptr, (gulong)size, GMEM_MOVEABLE);
12108 res = g_try_realloc (ptr, (gulong)size);
12111 mono_gc_out_of_memory ((gulong)size);
12117 ves_icall_System_Runtime_InteropServices_Marshal_FreeHGlobal (void *ptr)
12119 MONO_ARCH_SAVE_REGS;
12129 ves_icall_System_Runtime_InteropServices_Marshal_AllocCoTaskMem (int size)
12131 MONO_ARCH_SAVE_REGS;
12134 return CoTaskMemAlloc (size);
12136 return g_try_malloc ((gulong)size);
12141 ves_icall_System_Runtime_InteropServices_Marshal_FreeCoTaskMem (void *ptr)
12143 MONO_ARCH_SAVE_REGS;
12146 CoTaskMemFree (ptr);
12153 ves_icall_System_Runtime_InteropServices_Marshal_ReAllocCoTaskMem (gpointer ptr, int size)
12155 MONO_ARCH_SAVE_REGS;
12158 return CoTaskMemRealloc (ptr, size);
12160 return g_try_realloc (ptr, (gulong)size);
12165 ves_icall_System_Runtime_InteropServices_Marshal_UnsafeAddrOfPinnedArrayElement (MonoArray *arrayobj, int index)
12167 return mono_array_addr_with_size_fast (arrayobj, mono_array_element_size (arrayobj->obj.vtable->klass), index);
12171 ves_icall_System_Runtime_InteropServices_Marshal_GetDelegateForFunctionPointerInternal (void *ftn, MonoReflectionType *type)
12173 MonoClass *klass = mono_type_get_class (type->type);
12174 if (!mono_class_init (klass))
12175 mono_raise_exception (mono_class_get_exception_for_failure (klass));
12177 return mono_ftnptr_to_delegate (klass, ftn);
12181 * mono_marshal_is_loading_type_info:
12183 * Return whenever mono_marshal_load_type_info () is being executed for KLASS by this
12187 mono_marshal_is_loading_type_info (MonoClass *klass)
12189 GSList *loads_list = mono_native_tls_get_value (load_type_info_tls_id);
12191 return g_slist_find (loads_list, klass) != NULL;
12195 * mono_marshal_load_type_info:
12197 * Initialize klass->marshal_info using information from metadata. This function can
12198 * recursively call itself, and the caller is responsible to avoid that by calling
12199 * mono_marshal_is_loading_type_info () beforehand.
12201 * LOCKING: Acquires the loader lock.
12204 mono_marshal_load_type_info (MonoClass* klass)
12207 guint32 native_size = 0, min_align = 1, packing;
12208 MonoMarshalType *info;
12209 MonoClassField* field;
12212 GSList *loads_list;
12214 g_assert (klass != NULL);
12216 if (klass->marshal_info)
12217 return klass->marshal_info;
12219 if (!klass->inited)
12220 mono_class_init (klass);
12222 if (klass->marshal_info)
12223 return klass->marshal_info;
12226 * This function can recursively call itself, so we keep the list of classes which are
12227 * under initialization in a TLS list.
12229 g_assert (!mono_marshal_is_loading_type_info (klass));
12230 loads_list = mono_native_tls_get_value (load_type_info_tls_id);
12231 loads_list = g_slist_prepend (loads_list, klass);
12232 mono_native_tls_set_value (load_type_info_tls_id, loads_list);
12235 while ((field = mono_class_get_fields (klass, &iter))) {
12236 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
12238 if (mono_field_is_deleted (field))
12243 layout = klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK;
12245 /* The mempool is protected by the loader lock */
12246 info = mono_image_alloc0 (klass->image, MONO_SIZEOF_MARSHAL_TYPE + sizeof (MonoMarshalField) * count);
12247 info->num_fields = count;
12249 /* Try to find a size for this type in metadata */
12250 mono_metadata_packing_from_typedef (klass->image, klass->type_token, NULL, &native_size);
12252 if (klass->parent) {
12253 int parent_size = mono_class_native_size (klass->parent, NULL);
12255 /* Add parent size to real size */
12256 native_size += parent_size;
12257 info->native_size = parent_size;
12260 packing = klass->packing_size ? klass->packing_size : 8;
12263 while ((field = mono_class_get_fields (klass, &iter))) {
12267 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
12270 if (mono_field_is_deleted (field))
12272 if (field->type->attrs & FIELD_ATTRIBUTE_HAS_FIELD_MARSHAL)
12273 mono_metadata_field_info_with_mempool (klass->image, mono_metadata_token_index (mono_class_get_field_token (field)) - 1,
12274 NULL, NULL, &info->fields [j].mspec);
12276 info->fields [j].field = field;
12278 if ((mono_class_num_fields (klass) == 1) && (klass->instance_size == sizeof (MonoObject)) &&
12279 (strcmp (mono_field_get_name (field), "$PRIVATE$") == 0)) {
12280 /* This field is a hack inserted by MCS to empty structures */
12285 case TYPE_ATTRIBUTE_AUTO_LAYOUT:
12286 case TYPE_ATTRIBUTE_SEQUENTIAL_LAYOUT:
12287 size = mono_marshal_type_size (field->type, info->fields [j].mspec,
12288 &align, TRUE, klass->unicode);
12289 align = klass->packing_size ? MIN (klass->packing_size, align): align;
12290 min_align = MAX (align, min_align);
12291 info->fields [j].offset = info->native_size;
12292 info->fields [j].offset += align - 1;
12293 info->fields [j].offset &= ~(align - 1);
12294 info->native_size = info->fields [j].offset + size;
12296 case TYPE_ATTRIBUTE_EXPLICIT_LAYOUT:
12297 size = mono_marshal_type_size (field->type, info->fields [j].mspec,
12298 &align, TRUE, klass->unicode);
12299 min_align = MAX (align, min_align);
12300 info->fields [j].offset = field->offset - sizeof (MonoObject);
12301 info->native_size = MAX (info->native_size, info->fields [j].offset + size);
12307 if (layout != TYPE_ATTRIBUTE_AUTO_LAYOUT) {
12308 info->native_size = MAX (native_size, info->native_size);
12310 * If the provided Size is equal or larger than the calculated size, and there
12311 * was no Pack attribute, we set min_align to 1 to avoid native_size being increased
12313 if (layout == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) {
12314 if (native_size && native_size == info->native_size && klass->packing_size == 0)
12317 min_align = MIN (min_align, packing);
12321 if (info->native_size & (min_align - 1)) {
12322 info->native_size += min_align - 1;
12323 info->native_size &= ~(min_align - 1);
12326 info->min_align = min_align;
12328 /* Update the class's blittable info, if the layouts don't match */
12329 if (info->native_size != mono_class_value_size (klass, NULL))
12330 klass->blittable = FALSE;
12332 /* If this is an array type, ensure that we have element info */
12333 if (klass->rank && !mono_marshal_is_loading_type_info (klass->element_class)) {
12334 mono_marshal_load_type_info (klass->element_class);
12337 loads_list = mono_native_tls_get_value (load_type_info_tls_id);
12338 loads_list = g_slist_remove (loads_list, klass);
12339 mono_native_tls_set_value (load_type_info_tls_id, loads_list);
12341 mono_marshal_lock ();
12342 if (!klass->marshal_info) {
12343 /*We do double-checking locking on marshal_info */
12344 mono_memory_barrier ();
12345 klass->marshal_info = info;
12347 mono_marshal_unlock ();
12349 return klass->marshal_info;
12353 * mono_class_native_size:
12356 * Returns: the native size of an object instance (when marshaled
12357 * to unmanaged code)
12360 mono_class_native_size (MonoClass *klass, guint32 *align)
12362 if (!klass->marshal_info) {
12363 if (mono_marshal_is_loading_type_info (klass)) {
12368 mono_marshal_load_type_info (klass);
12373 *align = klass->marshal_info->min_align;
12375 return klass->marshal_info->native_size;
12378 /* __alignof__ returns the preferred alignment of values not the actual alignment used by
12379 the compiler so is wrong e.g. for Linux where doubles are aligned on a 4 byte boundary
12380 but __alignof__ returns 8 - using G_STRUCT_OFFSET works better */
12381 #define ALIGNMENT(type) G_STRUCT_OFFSET(struct { char c; type x; }, x)
12384 * mono_type_native_stack_size:
12385 * @t: the type to return the size it uses on the stack
12387 * Returns: the number of bytes required to hold an instance of this
12388 * type on the native stack
12391 mono_type_native_stack_size (MonoType *t, guint32 *align)
12395 g_assert (t != NULL);
12401 *align = sizeof (gpointer);
12402 return sizeof (gpointer);
12406 case MONO_TYPE_BOOLEAN:
12407 case MONO_TYPE_CHAR:
12418 case MONO_TYPE_STRING:
12419 case MONO_TYPE_OBJECT:
12420 case MONO_TYPE_CLASS:
12421 case MONO_TYPE_SZARRAY:
12422 case MONO_TYPE_PTR:
12423 case MONO_TYPE_FNPTR:
12424 case MONO_TYPE_ARRAY:
12425 *align = sizeof (gpointer);
12426 return sizeof (gpointer);
12431 *align = ALIGNMENT (gdouble);
12435 *align = ALIGNMENT (glong);
12437 case MONO_TYPE_GENERICINST:
12438 if (!mono_type_generic_inst_is_valuetype (t)) {
12439 *align = sizeof (gpointer);
12440 return sizeof (gpointer);
12443 case MONO_TYPE_TYPEDBYREF:
12444 case MONO_TYPE_VALUETYPE: {
12446 MonoClass *klass = mono_class_from_mono_type (t);
12448 if (klass->enumtype)
12449 return mono_type_native_stack_size (mono_class_enum_basetype (klass), align);
12451 size = mono_class_native_size (klass, align);
12452 *align = *align + 3;
12462 g_error ("type 0x%02x unknown", t->type);
12468 mono_marshal_type_size (MonoType *type, MonoMarshalSpec *mspec, guint32 *align,
12469 gboolean as_field, gboolean unicode)
12471 MonoMarshalNative native_type = mono_type_to_unmanaged (type, mspec, as_field, unicode, NULL);
12474 switch (native_type) {
12475 case MONO_NATIVE_BOOLEAN:
12478 case MONO_NATIVE_I1:
12479 case MONO_NATIVE_U1:
12482 case MONO_NATIVE_I2:
12483 case MONO_NATIVE_U2:
12484 case MONO_NATIVE_VARIANTBOOL:
12487 case MONO_NATIVE_I4:
12488 case MONO_NATIVE_U4:
12489 case MONO_NATIVE_ERROR:
12492 case MONO_NATIVE_I8:
12493 case MONO_NATIVE_U8:
12494 *align = ALIGNMENT(guint64);
12496 case MONO_NATIVE_R4:
12499 case MONO_NATIVE_R8:
12500 *align = ALIGNMENT(double);
12502 case MONO_NATIVE_INT:
12503 case MONO_NATIVE_UINT:
12504 case MONO_NATIVE_LPSTR:
12505 case MONO_NATIVE_LPWSTR:
12506 case MONO_NATIVE_LPTSTR:
12507 case MONO_NATIVE_BSTR:
12508 case MONO_NATIVE_ANSIBSTR:
12509 case MONO_NATIVE_TBSTR:
12510 case MONO_NATIVE_LPARRAY:
12511 case MONO_NATIVE_SAFEARRAY:
12512 case MONO_NATIVE_IUNKNOWN:
12513 case MONO_NATIVE_IDISPATCH:
12514 case MONO_NATIVE_INTERFACE:
12515 case MONO_NATIVE_ASANY:
12516 case MONO_NATIVE_FUNC:
12517 case MONO_NATIVE_LPSTRUCT:
12518 *align = ALIGNMENT(gpointer);
12519 return sizeof (gpointer);
12520 case MONO_NATIVE_STRUCT:
12521 klass = mono_class_from_mono_type (type);
12522 if (klass == mono_defaults.object_class &&
12523 (mspec && mspec->native == MONO_NATIVE_STRUCT)) {
12527 return mono_class_native_size (klass, align);
12528 case MONO_NATIVE_BYVALTSTR: {
12529 int esize = unicode ? 2: 1;
12532 return mspec->data.array_data.num_elem * esize;
12534 case MONO_NATIVE_BYVALARRAY: {
12535 // FIXME: Have to consider ArraySubType
12537 klass = mono_class_from_mono_type (type);
12538 if (klass->element_class == mono_defaults.char_class) {
12539 esize = unicode ? 2 : 1;
12542 esize = mono_class_native_size (klass->element_class, align);
12545 return mspec->data.array_data.num_elem * esize;
12547 case MONO_NATIVE_CUSTOM:
12548 *align = sizeof (gpointer);
12549 return sizeof (gpointer);
12551 case MONO_NATIVE_CURRENCY:
12552 case MONO_NATIVE_VBBYREFSTR:
12554 g_error ("native type %02x not implemented", native_type);
12557 g_assert_not_reached ();
12562 mono_marshal_asany (MonoObject *o, MonoMarshalNative string_encoding, int param_attrs)
12570 t = &o->vtable->klass->byval_arg;
12574 case MONO_TYPE_PTR:
12577 case MONO_TYPE_BOOLEAN:
12580 case MONO_TYPE_CHAR:
12585 return mono_object_unbox (o);
12587 case MONO_TYPE_STRING:
12588 switch (string_encoding) {
12589 case MONO_NATIVE_LPWSTR:
12590 return mono_marshal_string_to_utf16_copy ((MonoString*)o);
12592 case MONO_NATIVE_LPSTR:
12593 return mono_string_to_lpstr ((MonoString*)o);
12596 g_warning ("marshaling conversion %d not implemented", string_encoding);
12597 g_assert_not_reached ();
12600 case MONO_TYPE_CLASS:
12601 case MONO_TYPE_VALUETYPE: {
12602 MonoMethod *method;
12605 MonoBoolean delete_old = FALSE;
12607 klass = t->data.klass;
12609 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT)
12612 if (klass->valuetype && (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
12613 klass->blittable || klass->enumtype))
12614 return mono_object_unbox (o);
12616 res = mono_marshal_alloc (mono_class_native_size (klass, NULL));
12618 if (!((param_attrs & PARAM_ATTRIBUTE_OUT) && !(param_attrs & PARAM_ATTRIBUTE_IN))) {
12619 method = mono_marshal_get_struct_to_ptr (o->vtable->klass);
12623 pa [2] = &delete_old;
12625 mono_runtime_invoke (method, NULL, pa, NULL);
12632 mono_raise_exception (mono_get_exception_argument ("", "No PInvoke conversion exists for value passed to Object-typed parameter."));
12638 mono_marshal_free_asany (MonoObject *o, gpointer ptr, MonoMarshalNative string_encoding, int param_attrs)
12646 t = &o->vtable->klass->byval_arg;
12648 case MONO_TYPE_STRING:
12649 switch (string_encoding) {
12650 case MONO_NATIVE_LPWSTR:
12651 case MONO_NATIVE_LPSTR:
12652 mono_marshal_free (ptr);
12655 g_warning ("marshaling conversion %d not implemented", string_encoding);
12656 g_assert_not_reached ();
12659 case MONO_TYPE_CLASS:
12660 case MONO_TYPE_VALUETYPE: {
12661 klass = t->data.klass;
12663 if (klass->valuetype && (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
12664 klass->blittable || klass->enumtype))
12667 if (param_attrs & PARAM_ATTRIBUTE_OUT) {
12668 MonoMethod *method = mono_marshal_get_ptr_to_struct (o->vtable->klass);
12674 mono_runtime_invoke (method, NULL, pa, NULL);
12677 if (!((param_attrs & PARAM_ATTRIBUTE_OUT) && !(param_attrs & PARAM_ATTRIBUTE_IN))) {
12678 mono_struct_delete_old (klass, ptr);
12681 mono_marshal_free (ptr);
12690 mono_marshal_get_generic_array_helper (MonoClass *class, MonoClass *iface, gchar *name, MonoMethod *method)
12692 MonoMethodSignature *sig, *csig;
12693 MonoMethodBuilder *mb;
12698 mb = mono_mb_new_no_dup_name (class, name, MONO_WRAPPER_MANAGED_TO_MANAGED);
12699 mb->method->slot = -1;
12701 mb->method->flags = METHOD_ATTRIBUTE_PRIVATE | METHOD_ATTRIBUTE_VIRTUAL |
12702 METHOD_ATTRIBUTE_NEW_SLOT | METHOD_ATTRIBUTE_HIDE_BY_SIG | METHOD_ATTRIBUTE_FINAL;
12704 sig = mono_method_signature (method);
12705 csig = signature_dup (method->klass->image, sig);
12706 csig->generic_param_count = 0;
12708 #ifndef DISABLE_JIT
12709 mono_mb_emit_ldarg (mb, 0);
12710 for (i = 0; i < csig->param_count; i++)
12711 mono_mb_emit_ldarg (mb, i + 1);
12712 mono_mb_emit_managed_call (mb, method, NULL);
12713 mono_mb_emit_byte (mb, CEE_RET);
12715 /* We can corlib internal methods */
12716 mb->skip_visibility = TRUE;
12719 res = mono_mb_create_method (mb, csig, csig->param_count + 16);
12721 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_GENERIC_ARRAY_HELPER);
12722 info->d.generic_array_helper.method = method;
12723 mono_marshal_set_wrapper_info (res, info);
12731 * The mono_win32_compat_* functions are implementations of inline
12732 * Windows kernel32 APIs, which are DllImport-able under MS.NET,
12733 * although not exported by kernel32.
12735 * We map the appropiate kernel32 entries to these functions using
12736 * dllmaps declared in the global etc/mono/config.
12740 mono_win32_compat_CopyMemory (gpointer dest, gconstpointer source, gsize length)
12742 if (!dest || !source)
12745 memcpy (dest, source, length);
12749 mono_win32_compat_FillMemory (gpointer dest, gsize length, guchar fill)
12751 memset (dest, fill, length);
12755 mono_win32_compat_MoveMemory (gpointer dest, gconstpointer source, gsize length)
12757 if (!dest || !source)
12760 memmove (dest, source, length);
12764 mono_win32_compat_ZeroMemory (gpointer dest, gsize length)
12766 memset (dest, 0, length);
12770 mono_marshal_find_nonzero_bit_offset (guint8 *buf, int len, int *byte_offset, guint8 *bitmask)
12775 for (i = 0; i < len; ++i)
12779 g_assert (i < len);
12782 while (byte && !(byte & 1))
12784 g_assert (byte == 1);
12787 *bitmask = buf [i];
12791 mono_marshal_get_thunk_invoke_wrapper (MonoMethod *method)
12793 MonoMethodBuilder *mb;
12794 MonoMethodSignature *sig, *csig;
12795 MonoExceptionClause *clause;
12800 int i, param_count, sig_size, pos_leave;
12804 klass = method->klass;
12805 image = method->klass->image;
12806 cache = get_cache (&image->thunk_invoke_cache, mono_aligned_addr_hash, NULL);
12808 if ((res = mono_marshal_find_in_cache (cache, method)))
12811 sig = mono_method_signature (method);
12812 mb = mono_mb_new (klass, method->name, MONO_WRAPPER_NATIVE_TO_MANAGED);
12814 /* add "this" and exception param */
12815 param_count = sig->param_count + sig->hasthis + 1;
12817 /* dup & extend signature */
12818 csig = mono_metadata_signature_alloc (image, param_count);
12819 sig_size = MONO_SIZEOF_METHOD_SIGNATURE + sig->param_count * sizeof (MonoType *);
12820 memcpy (csig, sig, sig_size);
12821 csig->param_count = param_count;
12824 csig->call_convention = MONO_CALL_DEFAULT;
12826 if (sig->hasthis) {
12828 csig->params [0] = &klass->byval_arg;
12829 /* move params up by one */
12830 for (i = 0; i < sig->param_count; i++)
12831 csig->params [i + 1] = sig->params [i];
12834 /* setup exception param as byref+[out] */
12835 csig->params [param_count - 1] = mono_metadata_type_dup (image,
12836 &mono_defaults.exception_class->byval_arg);
12837 csig->params [param_count - 1]->byref = 1;
12838 csig->params [param_count - 1]->attrs = PARAM_ATTRIBUTE_OUT;
12840 /* convert struct return to object */
12841 if (MONO_TYPE_ISSTRUCT (sig->ret))
12842 csig->ret = &mono_defaults.object_class->byval_arg;
12844 #ifndef DISABLE_JIT
12845 /* local 0 (temp for exception object) */
12846 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
12848 /* local 1 (temp for result) */
12849 if (!MONO_TYPE_IS_VOID (sig->ret))
12850 mono_mb_add_local (mb, sig->ret);
12852 /* clear exception arg */
12853 mono_mb_emit_ldarg (mb, param_count - 1);
12854 mono_mb_emit_byte (mb, CEE_LDNULL);
12855 mono_mb_emit_byte (mb, CEE_STIND_REF);
12858 clause = mono_image_alloc0 (image, sizeof (MonoExceptionClause));
12859 clause->try_offset = mono_mb_get_label (mb);
12861 /* push method's args */
12862 for (i = 0; i < param_count - 1; i++) {
12866 mono_mb_emit_ldarg (mb, i);
12868 /* get the byval type of the param */
12869 klass = mono_class_from_mono_type (csig->params [i]);
12870 type = &klass->byval_arg;
12872 /* unbox struct args */
12873 if (MONO_TYPE_ISSTRUCT (type)) {
12874 mono_mb_emit_op (mb, CEE_UNBOX, klass);
12876 /* byref args & and the "this" arg must remain a ptr.
12877 Otherwise make a copy of the value type */
12878 if (!(csig->params [i]->byref || (i == 0 && sig->hasthis)))
12879 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
12881 csig->params [i] = &mono_defaults.object_class->byval_arg;
12886 if (method->flags & METHOD_ATTRIBUTE_VIRTUAL)
12887 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
12889 mono_mb_emit_op (mb, CEE_CALL, method);
12891 /* save result at local 1 */
12892 if (!MONO_TYPE_IS_VOID (sig->ret))
12893 mono_mb_emit_stloc (mb, 1);
12895 pos_leave = mono_mb_emit_branch (mb, CEE_LEAVE);
12898 clause->flags = MONO_EXCEPTION_CLAUSE_NONE;
12899 clause->try_len = mono_mb_get_pos (mb) - clause->try_offset;
12900 clause->data.catch_class = mono_defaults.object_class;
12902 clause->handler_offset = mono_mb_get_label (mb);
12904 /* store exception at local 0 */
12905 mono_mb_emit_stloc (mb, 0);
12906 mono_mb_emit_ldarg (mb, param_count - 1);
12907 mono_mb_emit_ldloc (mb, 0);
12908 mono_mb_emit_byte (mb, CEE_STIND_REF);
12909 mono_mb_emit_branch (mb, CEE_LEAVE);
12911 clause->handler_len = mono_mb_get_pos (mb) - clause->handler_offset;
12913 mono_mb_set_clauses (mb, 1, clause);
12915 mono_mb_patch_branch (mb, pos_leave);
12918 if (!MONO_TYPE_IS_VOID (sig->ret)) {
12919 mono_mb_emit_ldloc (mb, 1);
12921 /* box the return value */
12922 if (MONO_TYPE_ISSTRUCT (sig->ret))
12923 mono_mb_emit_op (mb, CEE_BOX, mono_class_from_mono_type (sig->ret));
12926 mono_mb_emit_byte (mb, CEE_RET);
12929 res = mono_mb_create_and_cache (cache, method, mb, csig, param_count + 16);
12936 * mono_marshal_free_dynamic_wrappers:
12938 * Free wrappers of the dynamic method METHOD.
12941 mono_marshal_free_dynamic_wrappers (MonoMethod *method)
12943 MonoImage *image = method->klass->image;
12945 g_assert (method->dynamic);
12947 /* This could be called during shutdown */
12948 if (marshal_mutex_initialized)
12949 mono_marshal_lock ();
12951 * FIXME: We currently leak the wrappers. Freeing them would be tricky as
12952 * they could be shared with other methods ?
12954 if (image->runtime_invoke_direct_cache)
12955 g_hash_table_remove (image->runtime_invoke_direct_cache, method);
12956 if (image->delegate_abstract_invoke_cache)
12957 g_hash_table_foreach_remove (image->delegate_abstract_invoke_cache, signature_method_pair_matches_method, method);
12959 if (marshal_mutex_initialized)
12960 mono_marshal_unlock ();
12964 signature_method_pair_matches_signature (gpointer key, gpointer value, gpointer user_data)
12966 SignatureMethodPair *pair = (SignatureMethodPair*)key;
12967 MonoMethodSignature *sig = (MonoMethodSignature*)user_data;
12969 return mono_metadata_signature_equal (pair->sig, sig);
12973 * mono_marshal_free_inflated_wrappers:
12975 * Free wrappers of the inflated method METHOD.
12978 mono_marshal_free_inflated_wrappers (MonoMethod *method)
12980 MonoMethodSignature *sig = method->signature;
12982 g_assert (method->is_inflated);
12984 /* Ignore calls occuring late during cleanup. */
12985 if (!marshal_mutex_initialized)
12988 mono_marshal_lock ();
12990 * FIXME: We currently leak the wrappers. Freeing them would be tricky as
12991 * they could be shared with other methods ?
12995 * indexed by MonoMethodSignature
12997 /* FIXME: This could remove unrelated wrappers as well */
12998 if (sig && method->klass->image->delegate_begin_invoke_cache)
12999 g_hash_table_remove (method->klass->image->delegate_begin_invoke_cache, sig);
13000 if (sig && method->klass->image->delegate_end_invoke_cache)
13001 g_hash_table_remove (method->klass->image->delegate_end_invoke_cache, sig);
13002 if (sig && method->klass->image->delegate_invoke_cache)
13003 g_hash_table_remove (method->klass->image->delegate_invoke_cache, sig);
13004 if (sig && method->klass->image->runtime_invoke_cache)
13005 g_hash_table_remove (method->klass->image->runtime_invoke_cache, sig);
13006 if (sig && method->klass->image->runtime_invoke_vtype_cache)
13007 g_hash_table_remove (method->klass->image->runtime_invoke_vtype_cache, sig);
13010 * indexed by SignatureMethodPair
13012 if (sig && method->klass->image->delegate_abstract_invoke_cache)
13013 g_hash_table_foreach_remove (method->klass->image->delegate_abstract_invoke_cache,
13014 signature_method_pair_matches_signature, (gpointer)sig);
13017 * indexed by MonoMethod pointers
13019 if (method->klass->image->runtime_invoke_direct_cache)
13020 g_hash_table_remove (method->klass->image->runtime_invoke_direct_cache, method);
13021 if (method->klass->image->managed_wrapper_cache)
13022 g_hash_table_remove (method->klass->image->managed_wrapper_cache, method);
13023 if (method->klass->image->native_wrapper_cache)
13024 g_hash_table_remove (method->klass->image->native_wrapper_cache, method);
13025 if (method->klass->image->remoting_invoke_cache)
13026 g_hash_table_remove (method->klass->image->remoting_invoke_cache, method);
13027 if (method->klass->image->synchronized_cache)
13028 g_hash_table_remove (method->klass->image->synchronized_cache, method);
13029 if (method->klass->image->unbox_wrapper_cache)
13030 g_hash_table_remove (method->klass->image->unbox_wrapper_cache, method);
13031 if (method->klass->image->cominterop_invoke_cache)
13032 g_hash_table_remove (method->klass->image->cominterop_invoke_cache, method);
13033 if (method->klass->image->cominterop_wrapper_cache)
13034 g_hash_table_remove (method->klass->image->cominterop_wrapper_cache, method);
13035 if (method->klass->image->thunk_invoke_cache)
13036 g_hash_table_remove (method->klass->image->thunk_invoke_cache, method);
13037 if (method->klass->image->native_func_wrapper_aot_cache)
13038 g_hash_table_remove (method->klass->image->native_func_wrapper_aot_cache, method);
13040 mono_marshal_unlock ();