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_full (GHashTable *cache, gpointer key,
2480 MonoMethodBuilder *mb, MonoMethodSignature *sig,
2481 int max_stack, gboolean *out_found)
2488 mono_marshal_lock ();
2489 res = g_hash_table_lookup (cache, key);
2490 mono_marshal_unlock ();
2493 newm = mono_mb_create_method (mb, sig, max_stack);
2494 mono_marshal_lock ();
2495 res = g_hash_table_lookup (cache, key);
2498 g_hash_table_insert (cache, key, res);
2499 mono_marshal_set_wrapper_info (res, key);
2500 mono_marshal_unlock ();
2504 mono_marshal_unlock ();
2505 mono_free_method (newm);
2513 mono_mb_create_and_cache (GHashTable *cache, gpointer key,
2514 MonoMethodBuilder *mb, MonoMethodSignature *sig,
2517 return mono_mb_create_and_cache_full (cache, key, mb, sig, max_stack, NULL);
2520 static inline MonoMethod*
2521 mono_marshal_remoting_find_in_cache (MonoMethod *method, int wrapper_type)
2523 MonoMethod *res = NULL;
2524 MonoRemotingMethods *wrps;
2526 mono_marshal_lock ();
2527 if (method->klass->image->remoting_invoke_cache)
2528 wrps = g_hash_table_lookup (method->klass->image->remoting_invoke_cache, method);
2533 switch (wrapper_type) {
2534 case MONO_WRAPPER_REMOTING_INVOKE: res = wrps->invoke; break;
2535 case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK: res = wrps->invoke_with_check; break;
2536 case MONO_WRAPPER_XDOMAIN_INVOKE: res = wrps->xdomain_invoke; break;
2537 case MONO_WRAPPER_XDOMAIN_DISPATCH: res = wrps->xdomain_dispatch; break;
2541 /* it is important to do the unlock after the load from wrps, since in
2542 * mono_remoting_mb_create_and_cache () we drop the marshal lock to be able
2543 * to take the loader lock and some other thread may set the fields.
2545 mono_marshal_unlock ();
2549 /* Create the method from the builder and place it in the cache */
2550 static inline MonoMethod*
2551 mono_remoting_mb_create_and_cache (MonoMethod *key, MonoMethodBuilder *mb,
2552 MonoMethodSignature *sig, int max_stack)
2554 MonoMethod **res = NULL;
2555 MonoRemotingMethods *wrps;
2556 GHashTable *cache = get_cache_full (&key->klass->image->remoting_invoke_cache, mono_aligned_addr_hash, NULL, NULL, g_free);
2558 mono_marshal_lock ();
2559 wrps = g_hash_table_lookup (cache, key);
2561 wrps = g_new0 (MonoRemotingMethods, 1);
2562 g_hash_table_insert (cache, key, wrps);
2565 switch (mb->method->wrapper_type) {
2566 case MONO_WRAPPER_REMOTING_INVOKE: res = &wrps->invoke; break;
2567 case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK: res = &wrps->invoke_with_check; break;
2568 case MONO_WRAPPER_XDOMAIN_INVOKE: res = &wrps->xdomain_invoke; break;
2569 case MONO_WRAPPER_XDOMAIN_DISPATCH: res = &wrps->xdomain_dispatch; break;
2570 default: g_assert_not_reached (); break;
2572 mono_marshal_unlock ();
2576 newm = mono_mb_create_method (mb, sig, max_stack);
2578 mono_marshal_lock ();
2581 mono_marshal_set_wrapper_info (*res, key);
2582 mono_marshal_unlock ();
2584 mono_marshal_unlock ();
2585 mono_free_method (newm);
2593 mono_marshal_method_from_wrapper (MonoMethod *wrapper)
2596 int wrapper_type = wrapper->wrapper_type;
2599 if (wrapper_type == MONO_WRAPPER_NONE || wrapper_type == MONO_WRAPPER_DYNAMIC_METHOD)
2602 switch (wrapper_type) {
2603 case MONO_WRAPPER_REMOTING_INVOKE:
2604 case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK:
2605 case MONO_WRAPPER_XDOMAIN_INVOKE:
2606 case MONO_WRAPPER_SYNCHRONIZED:
2607 case MONO_WRAPPER_UNBOX:
2608 res = mono_marshal_get_wrapper_info (wrapper);
2611 if (wrapper->is_inflated)
2613 * A method cannot be inflated and a wrapper at the same time, so the wrapper info
2614 * contains an uninflated method.
2616 return mono_class_inflate_generic_method (res, mono_method_get_context (wrapper));
2619 case MONO_WRAPPER_MANAGED_TO_NATIVE:
2620 info = mono_marshal_get_wrapper_info (wrapper);
2621 if (info && (info->subtype == WRAPPER_SUBTYPE_NONE || info->subtype == WRAPPER_SUBTYPE_NATIVE_FUNC_AOT || info->subtype == WRAPPER_SUBTYPE_PINVOKE))
2622 return info->d.managed_to_native.method;
2625 case MONO_WRAPPER_RUNTIME_INVOKE:
2626 info = mono_marshal_get_wrapper_info (wrapper);
2627 if (info && (info->subtype == WRAPPER_SUBTYPE_RUNTIME_INVOKE_DIRECT || info->subtype == WRAPPER_SUBTYPE_RUNTIME_INVOKE_VIRTUAL))
2628 return info->d.runtime_invoke.method;
2637 * mono_marshal_get_wrapper_info:
2639 * Retrieve the pointer stored by mono_marshal_set_wrapper_info. The type of data
2640 * returned depends on the wrapper type. It is usually a method, a class, or a
2641 * WrapperInfo structure.
2644 mono_marshal_get_wrapper_info (MonoMethod *wrapper)
2646 g_assert (wrapper->wrapper_type);
2648 return mono_method_get_wrapper_data (wrapper, 1);
2652 * mono_marshal_set_wrapper_info:
2654 * Store an arbitrary pointer inside the wrapper which is retrievable by
2655 * mono_marshal_get_wrapper_info. The format of the data depends on the type of the
2656 * wrapper (method->wrapper_type).
2659 mono_marshal_set_wrapper_info (MonoMethod *method, gpointer data)
2663 if (method->wrapper_type == MONO_WRAPPER_NONE || method->wrapper_type == MONO_WRAPPER_DYNAMIC_METHOD)
2666 datav = ((MonoMethodWrapper *)method)->method_data;
2671 mono_wrapper_info_create (MonoMethod *wrapper, WrapperSubtype subtype)
2675 info = mono_image_alloc0 (wrapper->klass->image, sizeof (WrapperInfo));
2676 info->subtype = subtype;
2681 * get_wrapper_target_class:
2683 * Return the class where a wrapper method should be placed.
2686 get_wrapper_target_class (MonoImage *image)
2692 * - can't put all wrappers into an mscorlib class, because they reference
2693 * metadata (signature) so they should be put into the same image as the
2694 * method they wrap, so they are unloaded together.
2695 * - putting them into a class with a type initalizer could cause the
2696 * initializer to be executed which can be a problem if the wrappers are
2698 * - putting them into an inflated class can cause problems if the the
2699 * class is deleted because it references an image which is unloaded.
2700 * To avoid these problems, we put the wrappers into the <Module> class of
2704 klass = ((MonoDynamicImage*)image)->wrappers_type;
2706 klass = mono_class_get (image, mono_metadata_make_token (MONO_TABLE_TYPEDEF, 1));
2713 * Wrappers for generic methods should be instances of generic wrapper methods, i.e .the wrapper for Sort<int> should be
2714 * an instance of the wrapper for Sort<T>. This is required for full-aot to work.
2718 * check_generic_wrapper_cache:
2720 * Check CACHE for the wrapper of the generic instance ORIG_METHOD, and return it if it is found.
2721 * KEY should be the key for ORIG_METHOD in the cache, while DEF_KEY should be the key of its
2722 * generic method definition.
2725 check_generic_wrapper_cache (GHashTable *cache, MonoMethod *orig_method, gpointer key, gpointer def_key)
2728 MonoMethod *inst, *def;
2729 MonoGenericContext *ctx;
2730 MonoMethod *def_method;
2732 g_assert (orig_method->is_inflated);
2733 def_method = ((MonoMethodInflated*)orig_method)->declaring;
2734 ctx = mono_method_get_context (orig_method);
2737 * Look for the instance
2739 res = mono_marshal_find_in_cache (cache, key);
2744 * Look for the definition
2746 def = mono_marshal_find_in_cache (cache, def_key);
2748 inst = mono_class_inflate_generic_method (def, ctx);
2750 mono_memory_barrier ();
2751 mono_marshal_lock ();
2752 res = g_hash_table_lookup (cache, key);
2754 g_hash_table_insert (cache, key, inst);
2757 mono_marshal_unlock ();
2764 cache_generic_wrapper (GHashTable *cache, MonoMethod *orig_method, MonoMethod *def, MonoGenericContext *ctx, gpointer key)
2766 MonoMethod *inst, *res;
2769 * We use the same cache for the generic definition and the instances.
2771 inst = mono_class_inflate_generic_method (def, ctx);
2772 mono_memory_barrier ();
2773 mono_marshal_lock ();
2774 res = g_hash_table_lookup (cache, key);
2776 g_hash_table_insert (cache, key, inst);
2779 mono_marshal_unlock ();
2784 check_generic_delegate_wrapper_cache (GHashTable *cache, MonoMethod *orig_method, MonoMethod *def_method, MonoGenericContext *ctx)
2787 MonoMethod *inst, *def;
2790 * Look for the instance
2792 res = mono_marshal_find_in_cache (cache, orig_method->klass);
2797 * Look for the definition
2799 def = mono_marshal_find_in_cache (cache, def_method->klass);
2801 inst = mono_class_inflate_generic_method (def, ctx);
2803 mono_memory_barrier ();
2804 mono_marshal_lock ();
2805 res = g_hash_table_lookup (cache, orig_method->klass);
2807 g_hash_table_insert (cache, orig_method->klass, inst);
2810 mono_marshal_unlock ();
2817 cache_generic_delegate_wrapper (GHashTable *cache, MonoMethod *orig_method, MonoMethod *def, MonoGenericContext *ctx)
2819 MonoMethod *inst, *res;
2822 * We use the same cache for the generic definition and the instances.
2824 inst = mono_class_inflate_generic_method (def, ctx);
2825 mono_memory_barrier ();
2826 mono_marshal_lock ();
2827 res = g_hash_table_lookup (cache, orig_method->klass);
2829 g_hash_table_insert (cache, orig_method->klass, inst);
2832 mono_marshal_unlock ();
2837 mono_marshal_get_delegate_begin_invoke (MonoMethod *method)
2839 MonoMethodSignature *sig;
2840 MonoMethodBuilder *mb;
2845 MonoGenericContext *ctx = NULL;
2846 MonoMethod *orig_method = NULL;
2848 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
2849 !strcmp (method->name, "BeginInvoke"));
2852 * For generic delegates, create a generic wrapper, and returns an instance to help AOT.
2854 if (method->is_inflated) {
2855 orig_method = method;
2856 ctx = &((MonoMethodInflated*)method)->context;
2857 method = ((MonoMethodInflated*)method)->declaring;
2860 sig = mono_signature_no_pinvoke (method);
2866 cache = get_cache (&method->klass->image->delegate_begin_invoke_generic_cache, mono_aligned_addr_hash, NULL);
2867 res = check_generic_delegate_wrapper_cache (cache, orig_method, method, ctx);
2871 cache = get_cache (&method->klass->image->delegate_begin_invoke_cache,
2872 (GHashFunc)mono_signature_hash,
2873 (GCompareFunc)mono_metadata_signature_equal);
2874 if ((res = mono_marshal_find_in_cache (cache, sig)))
2878 g_assert (sig->hasthis);
2880 name = mono_signature_to_name (sig, "begin_invoke");
2882 mb = mono_mb_new (method->klass, name, MONO_WRAPPER_DELEGATE_BEGIN_INVOKE);
2884 mb = mono_mb_new (get_wrapper_target_class (method->klass->image), name, MONO_WRAPPER_DELEGATE_BEGIN_INVOKE);
2888 params_var = mono_mb_emit_save_args (mb, sig, FALSE);
2890 mono_mb_emit_ldarg (mb, 0);
2891 mono_mb_emit_ldloc (mb, params_var);
2892 mono_mb_emit_icall (mb, mono_delegate_begin_invoke);
2893 mono_mb_emit_byte (mb, CEE_RET);
2898 def = mono_mb_create_and_cache (cache, method->klass, mb, sig, sig->param_count + 16);
2899 res = cache_generic_delegate_wrapper (cache, orig_method, def, ctx);
2901 res = mono_mb_create_and_cache (cache, sig, mb, sig, sig->param_count + 16);
2909 mono_delegate_end_invoke (MonoDelegate *delegate, gpointer *params)
2911 MonoDomain *domain = mono_domain_get ();
2912 MonoAsyncResult *ares;
2913 MonoMethod *method = NULL;
2914 MonoMethodSignature *sig;
2915 MonoMethodMessage *msg;
2916 MonoObject *res, *exc;
2917 MonoArray *out_args;
2920 g_assert (delegate);
2922 if (!delegate->method_info) {
2923 g_assert (delegate->method);
2924 MONO_OBJECT_SETREF (delegate, method_info, mono_method_get_object (domain, delegate->method, NULL));
2927 if (!delegate->method_info || !delegate->method_info->method)
2928 g_assert_not_reached ();
2930 klass = delegate->object.vtable->klass;
2932 method = mono_class_get_method_from_name (klass, "EndInvoke", -1);
2933 g_assert (method != NULL);
2935 sig = mono_signature_no_pinvoke (method);
2937 msg = mono_method_call_message_new (method, params, NULL, NULL, NULL);
2939 ares = mono_array_get (msg->args, gpointer, sig->param_count - 1);
2941 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."));
2945 if (ares->async_delegate != (MonoObject*)delegate) {
2946 mono_raise_exception (mono_get_exception_invalid_operation (
2947 "The IAsyncResult object provided does not match this delegate."));
2951 #ifndef DISABLE_REMOTING
2952 if (delegate->target && mono_object_is_transparent_proxy (delegate->target)) {
2953 MonoTransparentProxy* tp = (MonoTransparentProxy *)delegate->target;
2954 msg = (MonoMethodMessage *)mono_object_new (domain, mono_defaults.mono_method_message_class);
2955 mono_message_init (domain, msg, delegate->method_info, NULL);
2956 msg->call_type = CallType_EndInvoke;
2957 MONO_OBJECT_SETREF (msg, async_result, ares);
2958 res = mono_remoting_invoke ((MonoObject *)tp->rp, msg, &exc, &out_args);
2962 res = mono_thread_pool_finish (ares, &out_args, &exc);
2966 if (((MonoException*)exc)->stack_trace) {
2967 char *strace = mono_string_to_utf8 (((MonoException*)exc)->stack_trace);
2969 tmp = g_strdup_printf ("%s\nException Rethrown at:\n", strace);
2971 MONO_OBJECT_SETREF (((MonoException*)exc), stack_trace, mono_string_new (domain, tmp));
2974 mono_raise_exception ((MonoException*)exc);
2977 mono_method_return_message_restore (method, params, out_args);
2984 mono_mb_emit_restore_result (MonoMethodBuilder *mb, MonoType *return_type)
2986 MonoType *t = mono_type_get_underlying_type (return_type);
2988 if (return_type->byref)
2989 return_type = &mono_defaults.int_class->byval_arg;
2992 case MONO_TYPE_VOID:
2993 g_assert_not_reached ();
2996 case MONO_TYPE_STRING:
2997 case MONO_TYPE_CLASS:
2998 case MONO_TYPE_OBJECT:
2999 case MONO_TYPE_ARRAY:
3000 case MONO_TYPE_SZARRAY:
3004 case MONO_TYPE_BOOLEAN:
3007 case MONO_TYPE_CHAR:
3017 mono_mb_emit_op (mb, CEE_UNBOX, mono_class_from_mono_type (return_type));
3018 mono_mb_emit_byte (mb, mono_type_to_ldind (return_type));
3020 case MONO_TYPE_GENERICINST:
3021 if (!mono_type_generic_inst_is_valuetype (t))
3024 case MONO_TYPE_VALUETYPE: {
3025 MonoClass *klass = mono_class_from_mono_type (return_type);
3026 mono_mb_emit_op (mb, CEE_UNBOX, klass);
3027 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
3031 case MONO_TYPE_MVAR: {
3032 MonoClass *klass = mono_class_from_mono_type (return_type);
3033 mono_mb_emit_op (mb, CEE_UNBOX_ANY, klass);
3037 g_warning ("type 0x%x not handled", return_type->type);
3038 g_assert_not_reached ();
3041 mono_mb_emit_byte (mb, CEE_RET);
3044 #endif /* DISABLE_JIT */
3047 mono_marshal_get_delegate_end_invoke (MonoMethod *method)
3049 MonoMethodSignature *sig;
3050 MonoMethodBuilder *mb;
3055 MonoGenericContext *ctx = NULL;
3056 MonoMethod *orig_method = NULL;
3058 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
3059 !strcmp (method->name, "EndInvoke"));
3062 * For generic delegates, create a generic wrapper, and returns an instance to help AOT.
3064 if (method->is_inflated) {
3065 orig_method = method;
3066 ctx = &((MonoMethodInflated*)method)->context;
3067 method = ((MonoMethodInflated*)method)->declaring;
3070 sig = mono_signature_no_pinvoke (method);
3076 cache = get_cache (&method->klass->image->delegate_end_invoke_generic_cache, mono_aligned_addr_hash, NULL);
3077 res = check_generic_delegate_wrapper_cache (cache, orig_method, method, ctx);
3081 cache = get_cache (&method->klass->image->delegate_end_invoke_cache,
3082 (GHashFunc)mono_signature_hash,
3083 (GCompareFunc)mono_metadata_signature_equal);
3084 if ((res = mono_marshal_find_in_cache (cache, sig)))
3088 g_assert (sig->hasthis);
3090 name = mono_signature_to_name (sig, "end_invoke");
3092 mb = mono_mb_new (method->klass, name, MONO_WRAPPER_DELEGATE_END_INVOKE);
3094 mb = mono_mb_new (get_wrapper_target_class (method->klass->image), name, MONO_WRAPPER_DELEGATE_END_INVOKE);
3098 params_var = mono_mb_emit_save_args (mb, sig, FALSE);
3100 mono_mb_emit_ldarg (mb, 0);
3101 mono_mb_emit_ldloc (mb, params_var);
3102 mono_mb_emit_icall (mb, mono_delegate_end_invoke);
3104 if (sig->ret->type == MONO_TYPE_VOID) {
3105 mono_mb_emit_byte (mb, CEE_POP);
3106 mono_mb_emit_byte (mb, CEE_RET);
3108 mono_mb_emit_restore_result (mb, sig->ret);
3113 def = mono_mb_create_and_cache (cache, method->klass, mb, sig, sig->param_count + 16);
3114 res = cache_generic_delegate_wrapper (cache, orig_method, def, ctx);
3116 res = mono_mb_create_and_cache (cache, sig,
3117 mb, sig, sig->param_count + 16);
3124 #ifndef DISABLE_REMOTING
3127 mono_remoting_wrapper (MonoMethod *method, gpointer *params)
3129 MonoMethodMessage *msg;
3130 MonoTransparentProxy *this;
3131 MonoObject *res, *exc;
3132 MonoArray *out_args;
3134 this = *((MonoTransparentProxy **)params [0]);
3137 g_assert (((MonoObject *)this)->vtable->klass == mono_defaults.transparent_proxy_class);
3139 /* skip the this pointer */
3142 if (mono_class_is_contextbound (this->remote_class->proxy_class) && this->rp->context == (MonoObject *) mono_context_get ())
3145 MonoMethodSignature *sig = mono_method_signature (method);
3146 int count = sig->param_count;
3147 gpointer* mparams = (gpointer*) alloca(count*sizeof(gpointer));
3149 for (i=0; i<count; i++) {
3150 MonoClass *class = mono_class_from_mono_type (sig->params [i]);
3151 if (class->valuetype) {
3152 if (sig->params [i]->byref) {
3153 mparams[i] = *((gpointer *)params [i]);
3155 /* runtime_invoke expects a boxed instance */
3156 if (mono_class_is_nullable (mono_class_from_mono_type (sig->params [i])))
3157 mparams[i] = mono_nullable_box (params [i], class);
3159 mparams[i] = params [i];
3162 mparams[i] = *((gpointer**)params [i]);
3166 return mono_runtime_invoke (method, method->klass->valuetype? mono_object_unbox ((MonoObject*)this): this, mparams, NULL);
3169 msg = mono_method_call_message_new (method, params, NULL, NULL, NULL);
3171 res = mono_remoting_invoke ((MonoObject *)this->rp, msg, &exc, &out_args);
3174 mono_raise_exception ((MonoException *)exc);
3176 mono_method_return_message_restore (method, params, out_args);
3182 mono_marshal_get_remoting_invoke (MonoMethod *method)
3184 MonoMethodSignature *sig;
3185 MonoMethodBuilder *mb;
3191 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE || method->wrapper_type == MONO_WRAPPER_XDOMAIN_INVOKE)
3194 /* this seems to be the best plase to put this, as all remoting invokes seem to get filtered through here */
3196 if (mono_class_is_com_object (method->klass) || method->klass == mono_class_get_com_object_class ()) {
3197 MonoVTable *vtable = mono_class_vtable (mono_domain_get (), method->klass);
3198 g_assert (vtable); /*FIXME do proper error handling*/
3200 if (!mono_vtable_is_remote (vtable)) {
3201 return mono_cominterop_get_invoke (method);
3206 sig = mono_signature_no_pinvoke (method);
3208 /* we cant remote methods without this pointer */
3212 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_REMOTING_INVOKE)))
3215 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_REMOTING_INVOKE);
3218 mb->method->save_lmf = 1;
3220 params_var = mono_mb_emit_save_args (mb, sig, TRUE);
3222 mono_mb_emit_ptr (mb, method);
3223 mono_mb_emit_ldloc (mb, params_var);
3224 mono_mb_emit_icall (mb, mono_remoting_wrapper);
3225 emit_thread_interrupt_checkpoint (mb);
3227 if (sig->ret->type == MONO_TYPE_VOID) {
3228 mono_mb_emit_byte (mb, CEE_POP);
3229 mono_mb_emit_byte (mb, CEE_RET);
3231 mono_mb_emit_restore_result (mb, sig->ret);
3235 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16);
3241 #endif /* DISABLE_REMOTING */
3244 /* mono_get_xdomain_marshal_type()
3245 * Returns the kind of marshalling that a type needs for cross domain calls.
3247 static MonoXDomainMarshalType
3248 mono_get_xdomain_marshal_type (MonoType *t)
3251 case MONO_TYPE_VOID:
3252 g_assert_not_reached ();
3256 case MONO_TYPE_BOOLEAN:
3259 case MONO_TYPE_CHAR:
3266 return MONO_MARSHAL_NONE;
3267 case MONO_TYPE_STRING:
3268 return MONO_MARSHAL_COPY;
3269 case MONO_TYPE_ARRAY:
3270 case MONO_TYPE_SZARRAY: {
3271 MonoClass *elem_class = mono_class_from_mono_type (t)->element_class;
3272 if (mono_get_xdomain_marshal_type (&(elem_class->byval_arg)) != MONO_MARSHAL_SERIALIZE)
3273 return MONO_MARSHAL_COPY;
3278 return MONO_MARSHAL_SERIALIZE;
3282 /* mono_marshal_xdomain_copy_value
3283 * Makes a copy of "val" suitable for the current domain.
3286 mono_marshal_xdomain_copy_value (MonoObject *val)
3289 if (val == NULL) return NULL;
3291 domain = mono_domain_get ();
3293 switch (mono_object_class (val)->byval_arg.type) {
3294 case MONO_TYPE_VOID:
3295 g_assert_not_reached ();
3299 case MONO_TYPE_BOOLEAN:
3302 case MONO_TYPE_CHAR:
3308 case MONO_TYPE_R8: {
3309 return mono_value_box (domain, mono_object_class (val), ((char*)val) + sizeof(MonoObject));
3311 case MONO_TYPE_STRING: {
3312 MonoString *str = (MonoString *) val;
3313 return (MonoObject *) mono_string_new_utf16 (domain, mono_string_chars (str), mono_string_length (str));
3315 case MONO_TYPE_ARRAY:
3316 case MONO_TYPE_SZARRAY: {
3318 MonoXDomainMarshalType mt = mono_get_xdomain_marshal_type (&(mono_object_class (val)->element_class->byval_arg));
3319 if (mt == MONO_MARSHAL_SERIALIZE) return NULL;
3320 acopy = mono_array_clone_in_domain (domain, (MonoArray *) val);
3321 if (mt == MONO_MARSHAL_COPY) {
3322 int i, len = mono_array_length (acopy);
3323 for (i = 0; i < len; i++) {
3324 MonoObject *item = mono_array_get (acopy, gpointer, i);
3325 mono_array_setref (acopy, i, mono_marshal_xdomain_copy_value (item));
3328 return (MonoObject *) acopy;
3332 if (mono_object_class (val) == mono_defaults.stringbuilder_class) {
3333 MonoStringBuilder *oldsb = (MonoStringBuilder *) val;
3334 MonoStringBuilder *newsb = (MonoStringBuilder *) mono_object_new (domain, mono_defaults.stringbuilder_class);
3335 MONO_OBJECT_SETREF (newsb, str, mono_string_new_utf16 (domain, mono_string_chars (oldsb->str), mono_string_length (oldsb->str)));
3336 newsb->length = oldsb->length;
3337 newsb->max_capacity = (gint32)0x7fffffff;
3338 return (MonoObject *) newsb;
3343 /* mono_marshal_xdomain_copy_out_value()
3344 * Copies the contents of the src instance into the dst instance. src and dst
3345 * must have the same type, and if they are arrays, the same size.
3348 mono_marshal_xdomain_copy_out_value (MonoObject *src, MonoObject *dst)
3350 if (src == NULL || dst == NULL) return;
3352 g_assert (mono_object_class (src) == mono_object_class (dst));
3354 switch (mono_object_class (src)->byval_arg.type) {
3355 case MONO_TYPE_ARRAY:
3356 case MONO_TYPE_SZARRAY: {
3357 int mt = mono_get_xdomain_marshal_type (&(mono_object_class (src)->element_class->byval_arg));
3358 if (mt == MONO_MARSHAL_SERIALIZE) return;
3359 if (mt == MONO_MARSHAL_COPY) {
3360 int i, len = mono_array_length ((MonoArray *)dst);
3361 for (i = 0; i < len; i++) {
3362 MonoObject *item = mono_array_get ((MonoArray *)src, gpointer, i);
3363 mono_array_setref ((MonoArray *)dst, i, mono_marshal_xdomain_copy_value (item));
3366 mono_array_full_copy ((MonoArray *)src, (MonoArray *)dst);
3372 if (mono_object_class (src) == mono_defaults.stringbuilder_class) {
3373 MonoStringBuilder *src_sb = (MonoStringBuilder *) src;
3374 MonoStringBuilder *dst_sb = (MonoStringBuilder *) dst;
3376 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)));
3377 dst_sb->cached_str = NULL;
3378 dst_sb->length = src_sb->length;
3383 #if !(defined (DISABLE_JIT) || defined (DISABLE_REMOTING))
3386 mono_marshal_emit_xdomain_copy_value (MonoMethodBuilder *mb, MonoClass *pclass)
3388 mono_mb_emit_icall (mb, mono_marshal_xdomain_copy_value);
3389 mono_mb_emit_op (mb, CEE_CASTCLASS, pclass);
3393 mono_marshal_emit_xdomain_copy_out_value (MonoMethodBuilder *mb, MonoClass *pclass)
3395 mono_mb_emit_icall (mb, mono_marshal_xdomain_copy_out_value);
3399 #ifndef DISABLE_REMOTING
3400 /* mono_marshal_supports_fast_xdomain()
3401 * Returns TRUE if the method can use the fast xdomain wrapper.
3404 mono_marshal_supports_fast_xdomain (MonoMethod *method)
3406 return !mono_class_is_contextbound (method->klass) &&
3407 !((method->flags & METHOD_ATTRIBUTE_SPECIAL_NAME) && (strcmp (".ctor", method->name) == 0));
3412 mono_marshal_set_domain_by_id (gint32 id, MonoBoolean push)
3414 MonoDomain *current_domain = mono_domain_get ();
3415 MonoDomain *domain = mono_domain_get_by_id (id);
3417 if (!domain || !mono_domain_set (domain, FALSE))
3418 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
3421 mono_thread_push_appdomain_ref (domain);
3423 mono_thread_pop_appdomain_ref ();
3425 return current_domain->domain_id;
3428 #if !(defined (DISABLE_JIT) || defined (DISABLE_REMOTING))
3430 mono_marshal_emit_switch_domain (MonoMethodBuilder *mb)
3432 mono_mb_emit_icall (mb, mono_marshal_set_domain_by_id);
3435 /* mono_marshal_emit_load_domain_method ()
3436 * Loads into the stack a pointer to the code of the provided method for
3437 * the current domain.
3440 mono_marshal_emit_load_domain_method (MonoMethodBuilder *mb, MonoMethod *method)
3442 /* We need a pointer to the method for the running domain (not the domain
3443 * that compiles the method).
3445 mono_mb_emit_ptr (mb, method);
3446 mono_mb_emit_icall (mb, mono_compile_method);
3450 /* mono_marshal_check_domain_image ()
3451 * Returns TRUE if the image is loaded in the specified
3452 * application domain.
3455 mono_marshal_check_domain_image (gint32 domain_id, MonoImage *image)
3460 MonoDomain *domain = mono_domain_get_by_id (domain_id);
3464 mono_domain_assemblies_lock (domain);
3465 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
3467 if (ass->image == image)
3470 mono_domain_assemblies_unlock (domain);
3475 #ifndef DISABLE_REMOTING
3477 /* mono_marshal_get_xappdomain_dispatch ()
3478 * Generates a method that dispatches a method call from another domain into
3479 * the current domain.
3482 mono_marshal_get_xappdomain_dispatch (MonoMethod *method, int *marshal_types, int complex_count, int complex_out_count, int ret_marshal_type)
3484 MonoMethodSignature *sig, *csig;
3485 MonoMethodBuilder *mb;
3487 int i, j, param_index, copy_locals_base;
3488 MonoClass *ret_class = NULL;
3489 int loc_array=0, loc_return=0, loc_serialized_exc=0;
3490 MonoExceptionClause *main_clause;
3492 gboolean copy_return;
3494 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_XDOMAIN_DISPATCH)))
3497 sig = mono_method_signature (method);
3498 copy_return = (sig->ret->type != MONO_TYPE_VOID && ret_marshal_type != MONO_MARSHAL_SERIALIZE);
3501 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3 + sig->param_count - complex_count);
3502 csig->params [j++] = &mono_defaults.object_class->byval_arg;
3503 csig->params [j++] = &byte_array_class->this_arg;
3504 csig->params [j++] = &byte_array_class->this_arg;
3505 for (i = 0; i < sig->param_count; i++) {
3506 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE)
3507 csig->params [j++] = sig->params [i];
3510 csig->ret = sig->ret;
3512 csig->ret = &mono_defaults.void_class->byval_arg;
3514 csig->hasthis = FALSE;
3516 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_XDOMAIN_DISPATCH);
3517 mb->method->save_lmf = 1;
3522 loc_serialized_exc = mono_mb_add_local (mb, &byte_array_class->byval_arg);
3523 if (complex_count > 0)
3524 loc_array = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3525 if (sig->ret->type != MONO_TYPE_VOID) {
3526 loc_return = mono_mb_add_local (mb, sig->ret);
3527 ret_class = mono_class_from_mono_type (sig->ret);
3532 main_clause = mono_image_alloc0 (method->klass->image, sizeof (MonoExceptionClause));
3533 main_clause->try_offset = mono_mb_get_label (mb);
3535 /* Clean the call context */
3537 mono_mb_emit_byte (mb, CEE_LDNULL);
3538 mono_mb_emit_managed_call (mb, method_set_call_context, NULL);
3539 mono_mb_emit_byte (mb, CEE_POP);
3541 /* Deserialize call data */
3543 mono_mb_emit_ldarg (mb, 1);
3544 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3545 mono_mb_emit_byte (mb, CEE_DUP);
3546 pos = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
3548 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
3549 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
3551 if (complex_count > 0)
3552 mono_mb_emit_stloc (mb, loc_array);
3554 mono_mb_emit_byte (mb, CEE_POP);
3556 mono_mb_patch_short_branch (mb, pos);
3558 /* Get the target object */
3560 mono_mb_emit_ldarg (mb, 0);
3561 mono_mb_emit_managed_call (mb, method_rs_appdomain_target, NULL);
3563 /* Load the arguments */
3565 copy_locals_base = mb->locals;
3566 param_index = 3; // Index of the first non-serialized parameter of this wrapper
3568 for (i = 0; i < sig->param_count; i++) {
3569 MonoType *pt = sig->params [i];
3570 MonoClass *pclass = mono_class_from_mono_type (pt);
3571 switch (marshal_types [i]) {
3572 case MONO_MARSHAL_SERIALIZE: {
3573 /* take the value from the serialized array */
3574 mono_mb_emit_ldloc (mb, loc_array);
3575 mono_mb_emit_icon (mb, j++);
3577 if (pclass->valuetype) {
3578 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3579 mono_mb_emit_op (mb, CEE_UNBOX, pclass);
3581 mono_mb_emit_op (mb, CEE_LDELEMA, pclass);
3584 if (pclass->valuetype) {
3585 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3586 mono_mb_emit_op (mb, CEE_UNBOX, pclass);
3587 mono_mb_emit_op (mb, CEE_LDOBJ, pclass);
3589 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3590 if (pclass != mono_defaults.object_class) {
3591 mono_mb_emit_op (mb, CEE_CASTCLASS, pclass);
3597 case MONO_MARSHAL_COPY_OUT: {
3598 /* Keep a local copy of the value since we need to copy it back after the call */
3599 int copy_local = mono_mb_add_local (mb, &(pclass->byval_arg));
3600 mono_mb_emit_ldarg (mb, param_index++);
3601 mono_marshal_emit_xdomain_copy_value (mb, pclass);
3602 mono_mb_emit_byte (mb, CEE_DUP);
3603 mono_mb_emit_stloc (mb, copy_local);
3606 case MONO_MARSHAL_COPY: {
3607 mono_mb_emit_ldarg (mb, param_index);
3609 mono_mb_emit_byte (mb, CEE_DUP);
3610 mono_mb_emit_byte (mb, CEE_DUP);
3611 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3612 mono_marshal_emit_xdomain_copy_value (mb, pclass);
3613 mono_mb_emit_byte (mb, CEE_STIND_REF);
3615 mono_marshal_emit_xdomain_copy_value (mb, pclass);
3620 case MONO_MARSHAL_NONE:
3621 mono_mb_emit_ldarg (mb, param_index++);
3626 /* Make the call to the real object */
3628 emit_thread_force_interrupt_checkpoint (mb);
3630 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
3632 if (sig->ret->type != MONO_TYPE_VOID)
3633 mono_mb_emit_stloc (mb, loc_return);
3635 /* copy back MONO_MARSHAL_COPY_OUT parameters */
3639 for (i = 0; i < sig->param_count; i++) {
3640 if (marshal_types [i] == MONO_MARSHAL_SERIALIZE) continue;
3641 if (marshal_types [i] == MONO_MARSHAL_COPY_OUT) {
3642 mono_mb_emit_ldloc (mb, copy_locals_base + (j++));
3643 mono_mb_emit_ldarg (mb, param_index);
3644 mono_marshal_emit_xdomain_copy_out_value (mb, mono_class_from_mono_type (sig->params [i]));
3649 /* Serialize the return values */
3651 if (complex_out_count > 0) {
3652 /* Reset parameters in the array that don't need to be serialized back */
3654 for (i = 0; i < sig->param_count; i++) {
3655 if (marshal_types[i] != MONO_MARSHAL_SERIALIZE) continue;
3656 if (!sig->params [i]->byref) {
3657 mono_mb_emit_ldloc (mb, loc_array);
3658 mono_mb_emit_icon (mb, j);
3659 mono_mb_emit_byte (mb, CEE_LDNULL);
3660 mono_mb_emit_byte (mb, CEE_STELEM_REF);
3665 /* Add the return value to the array */
3667 if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
3668 mono_mb_emit_ldloc (mb, loc_array);
3669 mono_mb_emit_icon (mb, complex_count); /* The array has an additional slot to hold the ret value */
3670 mono_mb_emit_ldloc (mb, loc_return);
3672 g_assert (ret_class); /*FIXME properly fail here*/
3673 if (ret_class->valuetype) {
3674 mono_mb_emit_op (mb, CEE_BOX, ret_class);
3676 mono_mb_emit_byte (mb, CEE_STELEM_REF);
3681 mono_mb_emit_ldarg (mb, 1);
3682 mono_mb_emit_ldloc (mb, loc_array);
3683 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3684 mono_mb_emit_byte (mb, CEE_STIND_REF);
3685 } else if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
3686 mono_mb_emit_ldarg (mb, 1);
3687 mono_mb_emit_ldloc (mb, loc_return);
3688 if (ret_class->valuetype) {
3689 mono_mb_emit_op (mb, CEE_BOX, ret_class);
3691 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3692 mono_mb_emit_byte (mb, CEE_STIND_REF);
3694 mono_mb_emit_ldarg (mb, 1);
3695 mono_mb_emit_byte (mb, CEE_LDNULL);
3696 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3697 mono_mb_emit_byte (mb, CEE_STIND_REF);
3700 mono_mb_emit_ldarg (mb, 2);
3701 mono_mb_emit_byte (mb, CEE_LDNULL);
3702 mono_mb_emit_byte (mb, CEE_STIND_REF);
3703 pos_leave = mono_mb_emit_branch (mb, CEE_LEAVE);
3705 /* Main exception catch */
3706 main_clause->flags = MONO_EXCEPTION_CLAUSE_NONE;
3707 main_clause->try_len = mono_mb_get_pos (mb) - main_clause->try_offset;
3708 main_clause->data.catch_class = mono_defaults.object_class;
3711 main_clause->handler_offset = mono_mb_get_label (mb);
3712 mono_mb_emit_managed_call (mb, method_rs_serialize_exc, NULL);
3713 mono_mb_emit_stloc (mb, loc_serialized_exc);
3714 mono_mb_emit_ldarg (mb, 2);
3715 mono_mb_emit_ldloc (mb, loc_serialized_exc);
3716 mono_mb_emit_byte (mb, CEE_STIND_REF);
3717 mono_mb_emit_branch (mb, CEE_LEAVE);
3718 main_clause->handler_len = mono_mb_get_pos (mb) - main_clause->handler_offset;
3721 mono_mb_patch_branch (mb, pos_leave);
3724 mono_mb_emit_ldloc (mb, loc_return);
3726 mono_mb_emit_byte (mb, CEE_RET);
3728 mono_mb_set_clauses (mb, 1, main_clause);
3731 res = mono_remoting_mb_create_and_cache (method, mb, csig, csig->param_count + 16);
3737 /* mono_marshal_get_xappdomain_invoke ()
3738 * Generates a fast remoting wrapper for cross app domain calls.
3741 mono_marshal_get_xappdomain_invoke (MonoMethod *method)
3743 MonoMethodSignature *sig;
3744 MonoMethodBuilder *mb;
3746 int i, j, complex_count, complex_out_count, copy_locals_base;
3748 MonoClass *ret_class = NULL;
3749 MonoMethod *xdomain_method;
3750 int ret_marshal_type = MONO_MARSHAL_NONE;
3751 int loc_array=0, loc_serialized_data=-1, loc_real_proxy;
3752 int loc_old_domainid, loc_domainid, loc_return=0, loc_serialized_exc=0, loc_context;
3753 int pos, pos_dispatch, pos_noex;
3754 gboolean copy_return = FALSE;
3758 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE || method->wrapper_type == MONO_WRAPPER_XDOMAIN_INVOKE)
3761 /* we cant remote methods without this pointer */
3762 if (!mono_method_signature (method)->hasthis)
3765 if (!mono_marshal_supports_fast_xdomain (method))
3766 return mono_marshal_get_remoting_invoke (method);
3768 mono_remoting_marshal_init ();
3770 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_XDOMAIN_INVOKE)))
3773 sig = mono_signature_no_pinvoke (method);
3775 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_XDOMAIN_INVOKE);
3776 mb->method->save_lmf = 1;
3778 /* Count the number of parameters that need to be serialized */
3780 marshal_types = alloca (sizeof (int) * sig->param_count);
3781 complex_count = complex_out_count = 0;
3782 for (i = 0; i < sig->param_count; i++) {
3783 MonoType *ptype = sig->params[i];
3784 int mt = mono_get_xdomain_marshal_type (ptype);
3786 /* If the [Out] attribute is applied to a parameter that can be internally copied,
3787 * the copy will be made by reusing the original object instance
3789 if ((ptype->attrs & PARAM_ATTRIBUTE_OUT) != 0 && mt == MONO_MARSHAL_COPY && !ptype->byref)
3790 mt = MONO_MARSHAL_COPY_OUT;
3791 else if (mt == MONO_MARSHAL_SERIALIZE) {
3793 if (ptype->byref) complex_out_count++;
3795 marshal_types [i] = mt;
3798 if (sig->ret->type != MONO_TYPE_VOID) {
3799 ret_marshal_type = mono_get_xdomain_marshal_type (sig->ret);
3800 ret_class = mono_class_from_mono_type (sig->ret);
3801 copy_return = ret_marshal_type != MONO_MARSHAL_SERIALIZE;
3807 if (complex_count > 0)
3808 loc_array = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3809 loc_serialized_data = mono_mb_add_local (mb, &byte_array_class->byval_arg);
3810 loc_real_proxy = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3812 loc_return = mono_mb_add_local (mb, sig->ret);
3813 loc_old_domainid = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
3814 loc_domainid = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
3815 loc_serialized_exc = mono_mb_add_local (mb, &byte_array_class->byval_arg);
3816 loc_context = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3818 /* Save thread domain data */
3820 mono_mb_emit_icall (mb, mono_context_get);
3821 mono_mb_emit_byte (mb, CEE_DUP);
3822 mono_mb_emit_stloc (mb, loc_context);
3824 /* If the thread is not running in the default context, it needs to go
3825 * through the whole remoting sink, since the context is going to change
3827 mono_mb_emit_managed_call (mb, method_needs_context_sink, NULL);
3828 pos = mono_mb_emit_short_branch (mb, CEE_BRTRUE_S);
3830 /* Another case in which the fast path can't be used: when the target domain
3831 * has a different image for the same assembly.
3834 /* Get the target domain id */
3836 mono_mb_emit_ldarg (mb, 0);
3837 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
3838 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3839 mono_mb_emit_byte (mb, CEE_DUP);
3840 mono_mb_emit_stloc (mb, loc_real_proxy);
3842 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoRealProxy, target_domain_id));
3843 mono_mb_emit_byte (mb, CEE_LDIND_I4);
3844 mono_mb_emit_stloc (mb, loc_domainid);
3846 /* Check if the target domain has the same image for the required assembly */
3848 mono_mb_emit_ldloc (mb, loc_domainid);
3849 mono_mb_emit_ptr (mb, method->klass->image);
3850 mono_mb_emit_icall (mb, mono_marshal_check_domain_image);
3851 pos_dispatch = mono_mb_emit_short_branch (mb, CEE_BRTRUE_S);
3853 /* Use the whole remoting sink to dispatch this message */
3855 mono_mb_patch_short_branch (mb, pos);
3857 mono_mb_emit_ldarg (mb, 0);
3858 for (i = 0; i < sig->param_count; i++)
3859 mono_mb_emit_ldarg (mb, i + 1);
3861 mono_mb_emit_managed_call (mb, mono_marshal_get_remoting_invoke (method), NULL);
3862 mono_mb_emit_byte (mb, CEE_RET);
3863 mono_mb_patch_short_branch (mb, pos_dispatch);
3865 /* Create the array that will hold the parameters to be serialized */
3867 if (complex_count > 0) {
3868 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 */
3869 mono_mb_emit_op (mb, CEE_NEWARR, mono_defaults.object_class);
3872 for (i = 0; i < sig->param_count; i++) {
3874 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE) continue;
3875 pclass = mono_class_from_mono_type (sig->params[i]);
3876 mono_mb_emit_byte (mb, CEE_DUP);
3877 mono_mb_emit_icon (mb, j);
3878 mono_mb_emit_ldarg (mb, i + 1); /* 0=this */
3879 if (sig->params[i]->byref) {
3880 if (pclass->valuetype)
3881 mono_mb_emit_op (mb, CEE_LDOBJ, pclass);
3883 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3885 if (pclass->valuetype)
3886 mono_mb_emit_op (mb, CEE_BOX, pclass);
3887 mono_mb_emit_byte (mb, CEE_STELEM_REF);
3890 mono_mb_emit_stloc (mb, loc_array);
3892 /* Serialize parameters */
3894 mono_mb_emit_ldloc (mb, loc_array);
3895 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3896 mono_mb_emit_stloc (mb, loc_serialized_data);
3898 mono_mb_emit_byte (mb, CEE_LDNULL);
3899 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3900 mono_mb_emit_stloc (mb, loc_serialized_data);
3905 mono_mb_emit_ldloc (mb, loc_domainid);
3906 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
3907 mono_marshal_emit_switch_domain (mb);
3908 mono_mb_emit_stloc (mb, loc_old_domainid);
3910 /* Load the arguments */
3912 mono_mb_emit_ldloc (mb, loc_real_proxy);
3913 mono_mb_emit_ldloc_addr (mb, loc_serialized_data);
3914 mono_mb_emit_ldloc_addr (mb, loc_serialized_exc);
3916 copy_locals_base = mb->locals;
3917 for (i = 0; i < sig->param_count; i++) {
3918 switch (marshal_types [i]) {
3919 case MONO_MARSHAL_SERIALIZE:
3921 case MONO_MARSHAL_COPY: {
3922 mono_mb_emit_ldarg (mb, i+1);
3923 if (sig->params [i]->byref) {
3924 /* make a local copy of the byref parameter. The real parameter
3925 * will be updated after the xdomain call
3927 MonoClass *pclass = mono_class_from_mono_type (sig->params [i]);
3928 int copy_local = mono_mb_add_local (mb, &(pclass->byval_arg));
3929 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3930 mono_mb_emit_stloc (mb, copy_local);
3931 mono_mb_emit_ldloc_addr (mb, copy_local);
3935 case MONO_MARSHAL_COPY_OUT:
3936 case MONO_MARSHAL_NONE:
3937 mono_mb_emit_ldarg (mb, i+1);
3942 /* Make the call to the invoke wrapper in the target domain */
3944 xdomain_method = mono_marshal_get_xappdomain_dispatch (method, marshal_types, complex_count, complex_out_count, ret_marshal_type);
3945 mono_marshal_emit_load_domain_method (mb, xdomain_method);
3946 mono_mb_emit_calli (mb, mono_method_signature (xdomain_method));
3949 mono_mb_emit_stloc (mb, loc_return);
3953 mono_mb_emit_ldloc (mb, loc_old_domainid);
3954 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
3955 mono_marshal_emit_switch_domain (mb);
3956 mono_mb_emit_byte (mb, CEE_POP);
3958 /* Restore thread domain data */
3960 mono_mb_emit_ldloc (mb, loc_context);
3961 mono_mb_emit_icall (mb, mono_context_set);
3963 /* if (loc_serialized_exc != null) ... */
3965 mono_mb_emit_ldloc (mb, loc_serialized_exc);
3966 pos_noex = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
3968 mono_mb_emit_ldloc (mb, loc_serialized_exc);
3969 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
3970 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
3971 mono_mb_emit_op (mb, CEE_CASTCLASS, mono_defaults.exception_class);
3972 mono_mb_emit_managed_call (mb, method_exc_fixexc, NULL);
3973 mono_mb_emit_byte (mb, CEE_THROW);
3974 mono_mb_patch_short_branch (mb, pos_noex);
3976 /* copy back non-serialized output parameters */
3979 for (i = 0; i < sig->param_count; i++) {
3980 if (!sig->params [i]->byref || marshal_types [i] != MONO_MARSHAL_COPY) continue;
3981 mono_mb_emit_ldarg (mb, i + 1);
3982 mono_mb_emit_ldloc (mb, copy_locals_base + (j++));
3983 mono_marshal_emit_xdomain_copy_value (mb, mono_class_from_mono_type (sig->params [i]));
3984 mono_mb_emit_byte (mb, CEE_STIND_REF);
3987 /* Deserialize out parameters */
3989 if (complex_out_count > 0) {
3990 mono_mb_emit_ldloc (mb, loc_serialized_data);
3991 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
3992 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
3993 mono_mb_emit_stloc (mb, loc_array);
3995 /* Copy back output parameters and return type */
3998 for (i = 0; i < sig->param_count; i++) {
3999 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE) continue;
4000 if (sig->params[i]->byref) {
4001 MonoClass *pclass = mono_class_from_mono_type (sig->params [i]);
4002 mono_mb_emit_ldarg (mb, i + 1);
4003 mono_mb_emit_ldloc (mb, loc_array);
4004 mono_mb_emit_icon (mb, j);
4005 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
4006 if (pclass->valuetype) {
4007 mono_mb_emit_op (mb, CEE_UNBOX, pclass);
4008 mono_mb_emit_op (mb, CEE_LDOBJ, pclass);
4009 mono_mb_emit_op (mb, CEE_STOBJ, pclass);
4011 if (pclass != mono_defaults.object_class)
4012 mono_mb_emit_op (mb, CEE_CASTCLASS, pclass);
4013 mono_mb_emit_byte (mb, CEE_STIND_REF);
4019 if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
4020 mono_mb_emit_ldloc (mb, loc_array);
4021 mono_mb_emit_icon (mb, complex_count);
4022 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
4023 if (ret_class->valuetype) {
4024 mono_mb_emit_op (mb, CEE_UNBOX, ret_class);
4025 mono_mb_emit_op (mb, CEE_LDOBJ, ret_class);
4028 } else if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
4029 mono_mb_emit_ldloc (mb, loc_serialized_data);
4030 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
4031 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
4032 if (ret_class->valuetype) {
4033 mono_mb_emit_op (mb, CEE_UNBOX, ret_class);
4034 mono_mb_emit_op (mb, CEE_LDOBJ, ret_class);
4035 } else if (ret_class != mono_defaults.object_class) {
4036 mono_mb_emit_op (mb, CEE_CASTCLASS, ret_class);
4039 mono_mb_emit_ldloc (mb, loc_serialized_data);
4040 mono_mb_emit_byte (mb, CEE_DUP);
4041 pos = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
4042 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
4044 mono_mb_patch_short_branch (mb, pos);
4045 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
4046 mono_mb_emit_byte (mb, CEE_POP);
4050 mono_mb_emit_ldloc (mb, loc_return);
4051 if (ret_marshal_type == MONO_MARSHAL_COPY)
4052 mono_marshal_emit_xdomain_copy_value (mb, ret_class);
4055 mono_mb_emit_byte (mb, CEE_RET);
4056 #endif /* DISABLE_JIT */
4058 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16);
4065 mono_marshal_get_remoting_invoke_for_target (MonoMethod *method, MonoRemotingTarget target_type)
4067 if (target_type == MONO_REMOTING_TARGET_APPDOMAIN) {
4068 return mono_marshal_get_xappdomain_invoke (method);
4069 } else if (target_type == MONO_REMOTING_TARGET_COMINTEROP) {
4071 return mono_cominterop_get_invoke (method);
4073 g_assert_not_reached ();
4076 return mono_marshal_get_remoting_invoke (method);
4082 G_GNUC_UNUSED static gpointer
4083 mono_marshal_load_remoting_wrapper (MonoRealProxy *rp, MonoMethod *method)
4085 if (rp->target_domain_id != -1)
4086 return mono_compile_method (mono_marshal_get_xappdomain_invoke (method));
4088 return mono_compile_method (mono_marshal_get_remoting_invoke (method));
4092 mono_marshal_get_remoting_invoke_with_check (MonoMethod *method)
4094 MonoMethodSignature *sig;
4095 MonoMethodBuilder *mb;
4096 MonoMethod *res, *native;
4097 int i, pos, pos_rem;
4101 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK)
4104 /* we cant remote methods without this pointer */
4105 g_assert (mono_method_signature (method)->hasthis);
4107 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK)))
4110 sig = mono_signature_no_pinvoke (method);
4112 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK);
4115 for (i = 0; i <= sig->param_count; i++)
4116 mono_mb_emit_ldarg (mb, i);
4118 mono_mb_emit_ldarg (mb, 0);
4119 pos = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
4121 if (mono_marshal_supports_fast_xdomain (method)) {
4122 mono_mb_emit_ldarg (mb, 0);
4123 pos_rem = mono_mb_emit_xdomain_check (mb, CEE_BEQ);
4125 /* wrapper for cross app domain calls */
4126 native = mono_marshal_get_xappdomain_invoke (method);
4127 mono_mb_emit_managed_call (mb, native, mono_method_signature (native));
4128 mono_mb_emit_byte (mb, CEE_RET);
4130 mono_mb_patch_branch (mb, pos_rem);
4132 /* wrapper for normal remote calls */
4133 native = mono_marshal_get_remoting_invoke (method);
4134 mono_mb_emit_managed_call (mb, native, mono_method_signature (native));
4135 mono_mb_emit_byte (mb, CEE_RET);
4138 mono_mb_patch_branch (mb, pos);
4139 mono_mb_emit_managed_call (mb, method, mono_method_signature (method));
4140 mono_mb_emit_byte (mb, CEE_RET);
4143 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16);
4149 #endif /* DISABLE_REMOTING */
4153 MonoMethodSignature *sig;
4155 } SignatureMethodPair;
4158 signature_method_pair_hash (gconstpointer data)
4160 SignatureMethodPair *pair = (SignatureMethodPair*)data;
4162 return mono_signature_hash (pair->sig) ^ mono_aligned_addr_hash (pair->method);
4166 signature_method_pair_equal (SignatureMethodPair *pair1, SignatureMethodPair *pair2)
4168 return mono_metadata_signature_equal (pair1->sig, pair2->sig) && (pair1->method == pair2->method);
4172 signature_method_pair_matches_method (gpointer key, gpointer value, gpointer user_data)
4174 SignatureMethodPair *pair = (SignatureMethodPair*)key;
4175 MonoMethod *method = (MonoMethod*)user_data;
4177 return pair->method == method;
4181 free_signature_method_pair (SignatureMethodPair *pair)
4187 mono_marshal_get_delegate_invoke_internal (MonoMethod *method, gboolean callvirt, gboolean static_method_with_first_arg_bound, MonoMethod *target_method)
4189 MonoMethodSignature *sig, *static_sig, *invoke_sig;
4191 MonoMethodBuilder *mb;
4194 gpointer cache_key = NULL;
4195 SignatureMethodPair key;
4196 SignatureMethodPair *new_key;
4197 int local_prev, local_target;
4200 MonoClass *target_class = NULL;
4201 gboolean closed_over_null = FALSE;
4202 MonoGenericContext *ctx = NULL;
4203 MonoGenericContainer *container = NULL;
4204 MonoMethod *orig_method = NULL;
4206 WrapperSubtype subtype = WRAPPER_SUBTYPE_NONE;
4209 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
4210 !strcmp (method->name, "Invoke"));
4212 invoke_sig = sig = mono_signature_no_pinvoke (method);
4215 * If the delegate target is null, and the target method is not static, a virtual
4216 * call is made to that method with the first delegate argument as this. This is
4217 * a non-documented .NET feature.
4220 subtype = WRAPPER_SUBTYPE_DELEGATE_INVOKE_VIRTUAL;
4221 if (target_method->is_inflated) {
4222 MonoType *target_type;
4224 g_assert (method->signature->hasthis);
4225 target_type = mono_class_inflate_generic_type (method->signature->params [0],
4226 mono_method_get_context (method));
4227 target_class = mono_class_from_mono_type (target_type);
4229 target_class = target_method->klass;
4232 closed_over_null = sig->param_count == mono_method_signature (target_method)->param_count;
4235 if (static_method_with_first_arg_bound) {
4236 subtype = WRAPPER_SUBTYPE_DELEGATE_INVOKE_BOUND;
4237 g_assert (!callvirt);
4238 invoke_sig = mono_method_signature (target_method);
4242 * For generic delegates, create a generic wrapper, and return an instance to help AOT.
4244 if (method->is_inflated && subtype == WRAPPER_SUBTYPE_NONE) {
4245 orig_method = method;
4246 ctx = &((MonoMethodInflated*)method)->context;
4247 method = ((MonoMethodInflated*)method)->declaring;
4249 container = mono_method_get_generic_container (method);
4251 container = method->klass->generic_container;
4252 g_assert (container);
4254 invoke_sig = sig = mono_signature_no_pinvoke (method);
4261 cache = get_cache (&method->klass->image->delegate_invoke_generic_cache, mono_aligned_addr_hash, NULL);
4262 res = check_generic_delegate_wrapper_cache (cache, orig_method, method, ctx);
4265 cache_key = method->klass;
4266 } else if (static_method_with_first_arg_bound) {
4267 cache = get_cache (&method->klass->image->delegate_bound_static_invoke_cache,
4268 (GHashFunc)mono_signature_hash,
4269 (GCompareFunc)mono_metadata_signature_equal);
4271 * The wrapper is based on sig+invoke_sig, but sig can be derived from invoke_sig.
4273 res = mono_marshal_find_in_cache (cache, invoke_sig);
4276 cache_key = invoke_sig;
4277 } else if (callvirt) {
4278 GHashTable **cache_ptr;
4280 cache_ptr = &method->klass->image->delegate_abstract_invoke_cache;
4282 /* We need to cache the signature+method pair */
4283 mono_marshal_lock ();
4285 *cache_ptr = g_hash_table_new_full (signature_method_pair_hash, (GEqualFunc)signature_method_pair_equal, (GDestroyNotify)free_signature_method_pair, NULL);
4287 key.sig = invoke_sig;
4288 key.method = target_method;
4289 res = g_hash_table_lookup (cache, &key);
4290 mono_marshal_unlock ();
4294 cache = get_cache (&method->klass->image->delegate_invoke_cache,
4295 (GHashFunc)mono_signature_hash,
4296 (GCompareFunc)mono_metadata_signature_equal);
4297 res = mono_marshal_find_in_cache (cache, sig);
4303 static_sig = signature_dup (method->klass->image, sig);
4304 static_sig->hasthis = 0;
4305 if (!static_method_with_first_arg_bound)
4306 invoke_sig = static_sig;
4308 if (static_method_with_first_arg_bound)
4309 name = mono_signature_to_name (invoke_sig, "invoke_bound");
4310 else if (closed_over_null)
4311 name = mono_signature_to_name (invoke_sig, "invoke_closed_over_null");
4313 name = mono_signature_to_name (invoke_sig, "invoke_callvirt");
4315 name = mono_signature_to_name (invoke_sig, "invoke");
4317 mb = mono_mb_new (method->klass, name, MONO_WRAPPER_DELEGATE_INVOKE);
4319 mb = mono_mb_new (get_wrapper_target_class (method->klass->image), name, MONO_WRAPPER_DELEGATE_INVOKE);
4323 /* allocate local 0 (object) */
4324 local_target = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4325 local_prev = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4327 g_assert (sig->hasthis);
4331 * prev.Invoke( args .. );
4332 * return this.<target>( args .. );
4335 /* this wrapper can be used in unmanaged-managed transitions */
4336 emit_thread_interrupt_checkpoint (mb);
4338 /* get this->prev */
4339 mono_mb_emit_ldarg (mb, 0);
4340 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoMulticastDelegate, prev));
4341 mono_mb_emit_byte (mb, CEE_LDIND_REF);
4342 mono_mb_emit_stloc (mb, local_prev);
4343 mono_mb_emit_ldloc (mb, local_prev);
4345 /* if prev != null */
4346 pos0 = mono_mb_emit_branch (mb, CEE_BRFALSE);
4350 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4351 mono_mb_emit_byte (mb, CEE_MONO_NOT_TAKEN);
4353 mono_mb_emit_ldloc (mb, local_prev);
4354 for (i = 0; i < sig->param_count; i++)
4355 mono_mb_emit_ldarg (mb, i + 1);
4357 mono_mb_emit_op (mb, CEE_CALLVIRT, mono_class_inflate_generic_method (method, &container->context));
4359 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
4360 if (sig->ret->type != MONO_TYPE_VOID)
4361 mono_mb_emit_byte (mb, CEE_POP);
4363 /* continued or prev == null */
4364 mono_mb_patch_branch (mb, pos0);
4366 /* get this->target */
4367 mono_mb_emit_ldarg (mb, 0);
4368 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, target));
4369 mono_mb_emit_byte (mb, CEE_LDIND_REF);
4370 mono_mb_emit_stloc (mb, local_target);
4372 /*static methods with bound first arg can have null target and still be bound*/
4373 if (!static_method_with_first_arg_bound) {
4374 /* if target != null */
4375 mono_mb_emit_ldloc (mb, local_target);
4376 pos0 = mono_mb_emit_branch (mb, CEE_BRFALSE);
4378 /* then call this->method_ptr nonstatic */
4381 mono_mb_emit_exception_full (mb, "System", "NotImplementedException", "");
4383 mono_mb_emit_ldloc (mb, local_target);
4384 for (i = 0; i < sig->param_count; ++i)
4385 mono_mb_emit_ldarg (mb, i + 1);
4386 mono_mb_emit_ldarg (mb, 0);
4387 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, method_ptr));
4388 mono_mb_emit_byte (mb, CEE_LDIND_I );
4389 mono_mb_emit_op (mb, CEE_CALLI, sig);
4391 mono_mb_emit_byte (mb, CEE_RET);
4394 /* else [target == null] call this->method_ptr static */
4395 mono_mb_patch_branch (mb, pos0);
4399 if (!closed_over_null) {
4400 mono_mb_emit_ldarg (mb, 1);
4401 mono_mb_emit_op (mb, CEE_CASTCLASS, target_class);
4402 for (i = 1; i < sig->param_count; ++i)
4403 mono_mb_emit_ldarg (mb, i + 1);
4404 mono_mb_emit_op (mb, CEE_CALLVIRT, target_method);
4406 mono_mb_emit_byte (mb, CEE_LDNULL);
4407 for (i = 0; i < sig->param_count; ++i)
4408 mono_mb_emit_ldarg (mb, i + 1);
4409 mono_mb_emit_op (mb, CEE_CALL, target_method);
4412 if (static_method_with_first_arg_bound) {
4413 mono_mb_emit_ldloc (mb, local_target);
4414 if (!MONO_TYPE_IS_REFERENCE (invoke_sig->params[0]))
4415 mono_mb_emit_op (mb, CEE_UNBOX_ANY, mono_class_from_mono_type (invoke_sig->params[0]));
4417 for (i = 0; i < sig->param_count; ++i)
4418 mono_mb_emit_ldarg (mb, i + 1);
4419 mono_mb_emit_ldarg (mb, 0);
4420 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, method_ptr));
4421 mono_mb_emit_byte (mb, CEE_LDIND_I );
4422 mono_mb_emit_op (mb, CEE_CALLI, invoke_sig);
4425 mono_mb_emit_byte (mb, CEE_RET);
4427 mb->skip_visibility = 1;
4428 #endif /* DISABLE_JIT */
4433 def = mono_mb_create_and_cache (cache, cache_key, mb, sig, sig->param_count + 16);
4434 res = cache_generic_delegate_wrapper (cache, orig_method, def, ctx);
4435 } else if (callvirt) {
4436 new_key = g_new0 (SignatureMethodPair, 1);
4439 res = mono_mb_create_and_cache_full (cache, new_key, mb, sig, sig->param_count + 16, &found);
4442 info = mono_wrapper_info_create (res, subtype);
4443 mono_marshal_set_wrapper_info (res, info);
4445 res = mono_mb_create_and_cache (cache, cache_key, mb, sig, sig->param_count + 16);
4447 info = mono_wrapper_info_create (res, subtype);
4448 mono_marshal_set_wrapper_info (res, info);
4456 * the returned method invokes all methods in a multicast delegate.
4459 mono_marshal_get_delegate_invoke (MonoMethod *method, MonoDelegate *del)
4461 gboolean callvirt = FALSE;
4462 gboolean static_method_with_first_arg_bound = FALSE;
4463 MonoMethod *target_method = NULL;
4464 MonoMethodSignature *sig;
4466 sig = mono_signature_no_pinvoke (method);
4468 if (del && !del->target && del->method && mono_method_signature (del->method)->hasthis) {
4470 target_method = del->method;
4473 if (del && del->method && mono_method_signature (del->method)->param_count == sig->param_count + 1 && (del->method->flags & METHOD_ATTRIBUTE_STATIC)) {
4474 static_method_with_first_arg_bound = TRUE;
4475 target_method = del->method;
4478 return mono_marshal_get_delegate_invoke_internal (method, callvirt, static_method_with_first_arg_bound, target_method);
4482 * signature_dup_add_this:
4484 * Make a copy of @sig, adding an explicit this argument.
4486 static MonoMethodSignature*
4487 signature_dup_add_this (MonoImage *image, MonoMethodSignature *sig, MonoClass *klass)
4489 MonoMethodSignature *res;
4492 res = mono_metadata_signature_alloc (image, sig->param_count + 1);
4493 memcpy (res, sig, MONO_SIZEOF_METHOD_SIGNATURE);
4494 res->param_count = sig->param_count + 1;
4495 res->hasthis = FALSE;
4496 for (i = sig->param_count - 1; i >= 0; i --)
4497 res->params [i + 1] = sig->params [i];
4498 res->params [0] = klass->valuetype ? &klass->this_arg : &klass->byval_arg;
4504 MonoMethodSignature *ctor_sig;
4505 MonoMethodSignature *sig;
4508 /* protected by the marshal lock, contains CtorSigPair pointers */
4509 static GSList *strsig_list = NULL;
4511 static MonoMethodSignature *
4512 lookup_string_ctor_signature (MonoMethodSignature *sig)
4514 MonoMethodSignature *callsig;
4518 mono_marshal_lock ();
4520 for (item = strsig_list; item; item = item->next) {
4522 /* mono_metadata_signature_equal () is safe to call with the marshal lock
4523 * because it is lock-free.
4525 if (mono_metadata_signature_equal (sig, cs->ctor_sig)) {
4530 mono_marshal_unlock ();
4534 static MonoMethodSignature *
4535 add_string_ctor_signature (MonoMethod *method)
4537 MonoMethodSignature *callsig;
4540 callsig = signature_dup (method->klass->image, mono_method_signature (method));
4541 callsig->ret = &mono_defaults.string_class->byval_arg;
4542 cs = g_new (CtorSigPair, 1);
4544 cs->ctor_sig = mono_method_signature (method);
4546 mono_marshal_lock ();
4547 strsig_list = g_slist_prepend (strsig_list, cs);
4548 mono_marshal_unlock ();
4553 * mono_marshal_get_string_ctor_signature:
4555 * Return the modified signature used by string ctors (they return the newly created
4558 MonoMethodSignature*
4559 mono_marshal_get_string_ctor_signature (MonoMethod *method)
4561 MonoMethodSignature *sig = lookup_string_ctor_signature (mono_method_signature (method));
4563 sig = add_string_ctor_signature (method);
4569 get_runtime_invoke_type (MonoType *t, gboolean ret)
4572 if (t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t)))
4574 /* Can't share this with 'I' as that needs another indirection */
4575 return &mono_defaults.int_class->this_arg;
4578 if (MONO_TYPE_IS_REFERENCE (t))
4579 return &mono_defaults.object_class->byval_arg;
4582 /* The result needs to be boxed */
4587 /* Can't share these as the argument needs to be loaded using sign/zero extension */
4590 return &mono_defaults.sbyte_class->byval_arg;
4592 return &mono_defaults.int16_class->byval_arg;
4594 return &mono_defaults.int32_class->byval_arg;
4597 return &mono_defaults.int64_class->byval_arg;
4598 case MONO_TYPE_BOOLEAN:
4599 return &mono_defaults.byte_class->byval_arg;
4600 case MONO_TYPE_CHAR:
4601 return &mono_defaults.uint16_class->byval_arg;
4604 return &mono_defaults.int_class->byval_arg;
4605 case MONO_TYPE_VALUETYPE:
4606 if (t->data.klass->enumtype) {
4607 t = mono_class_enum_basetype (t->data.klass);
4617 * mono_marshal_get_runtime_invoke_sig:
4619 * Return a common signature used for sharing runtime invoke wrappers.
4621 static MonoMethodSignature*
4622 mono_marshal_get_runtime_invoke_sig (MonoMethodSignature *sig)
4624 MonoMethodSignature *res = mono_metadata_signature_dup (sig);
4627 res->ret = get_runtime_invoke_type (sig->ret, TRUE);
4628 for (i = 0; i < res->param_count; ++i)
4629 res->params [i] = get_runtime_invoke_type (sig->params [i], FALSE);
4635 runtime_invoke_signature_equal (MonoMethodSignature *sig1, MonoMethodSignature *sig2)
4637 /* Can't share wrappers which return a vtype since it needs to be boxed */
4638 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))
4641 return mono_metadata_signature_equal (sig1, sig2);
4649 * Emit the call to the wrapper method from a runtime invoke wrapper.
4652 emit_invoke_call (MonoMethodBuilder *mb, MonoMethod *method,
4653 MonoMethodSignature *sig, MonoMethodSignature *callsig,
4655 gboolean virtual, gboolean need_direct_wrapper)
4657 static MonoString *string_dummy = NULL;
4659 int *tmp_nullable_locals;
4660 gboolean void_ret = FALSE;
4662 /* to make it work with our special string constructors */
4663 if (!string_dummy) {
4664 MONO_GC_REGISTER_ROOT_SINGLE (string_dummy);
4665 string_dummy = mono_string_new_wrapper ("dummy");
4669 g_assert (sig->hasthis);
4670 g_assert (method->flags & METHOD_ATTRIBUTE_VIRTUAL);
4674 if (method->string_ctor) {
4675 if (mono_gc_is_moving ()) {
4676 mono_mb_emit_ptr (mb, &string_dummy);
4677 mono_mb_emit_byte (mb, CEE_LDIND_REF);
4679 mono_mb_emit_ptr (mb, string_dummy);
4682 mono_mb_emit_ldarg (mb, 0);
4686 tmp_nullable_locals = g_new0 (int, sig->param_count);
4688 for (i = 0; i < sig->param_count; i++) {
4689 MonoType *t = sig->params [i];
4692 mono_mb_emit_ldarg (mb, 1);
4694 mono_mb_emit_icon (mb, sizeof (gpointer) * i);
4695 mono_mb_emit_byte (mb, CEE_ADD);
4699 mono_mb_emit_byte (mb, CEE_LDIND_I);
4700 /* A Nullable<T> type don't have a boxed form, it's either null or a boxed T.
4701 * So to make this work we unbox it to a local variablee and push a reference to that.
4703 if (t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t))) {
4704 tmp_nullable_locals [i] = mono_mb_add_local (mb, &mono_class_from_mono_type (t)->byval_arg);
4706 mono_mb_emit_op (mb, CEE_UNBOX_ANY, mono_class_from_mono_type (t));
4707 mono_mb_emit_stloc (mb, tmp_nullable_locals [i]);
4708 mono_mb_emit_ldloc_addr (mb, tmp_nullable_locals [i]);
4713 /*FIXME 'this doesn't handle generic enums. Shouldn't we?*/
4714 type = sig->params [i]->type;
4718 case MONO_TYPE_BOOLEAN:
4722 case MONO_TYPE_CHAR:
4731 mono_mb_emit_byte (mb, CEE_LDIND_I);
4732 mono_mb_emit_byte (mb, mono_type_to_ldind (sig->params [i]));
4734 case MONO_TYPE_STRING:
4735 case MONO_TYPE_CLASS:
4736 case MONO_TYPE_ARRAY:
4738 case MONO_TYPE_SZARRAY:
4739 case MONO_TYPE_OBJECT:
4740 mono_mb_emit_byte (mb, mono_type_to_ldind (sig->params [i]));
4742 case MONO_TYPE_GENERICINST:
4743 if (!mono_type_generic_inst_is_valuetype (sig->params [i])) {
4744 mono_mb_emit_byte (mb, mono_type_to_ldind (sig->params [i]));
4749 case MONO_TYPE_VALUETYPE:
4750 if (type == MONO_TYPE_VALUETYPE && t->data.klass->enumtype) {
4751 type = mono_class_enum_basetype (t->data.klass)->type;
4754 mono_mb_emit_byte (mb, CEE_LDIND_I);
4755 if (mono_class_is_nullable (mono_class_from_mono_type (sig->params [i]))) {
4756 /* Need to convert a boxed vtype to an mp to a Nullable struct */
4757 mono_mb_emit_op (mb, CEE_UNBOX, mono_class_from_mono_type (sig->params [i]));
4758 mono_mb_emit_op (mb, CEE_LDOBJ, mono_class_from_mono_type (sig->params [i]));
4760 mono_mb_emit_op (mb, CEE_LDOBJ, mono_class_from_mono_type (sig->params [i]));
4764 g_assert_not_reached ();
4769 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
4770 } else if (need_direct_wrapper) {
4771 mono_mb_emit_op (mb, CEE_CALL, method);
4773 mono_mb_emit_ldarg (mb, 3);
4774 mono_mb_emit_calli (mb, callsig);
4777 if (sig->ret->byref) {
4779 g_assert_not_reached ();
4782 switch (sig->ret->type) {
4783 case MONO_TYPE_VOID:
4784 if (!method->string_ctor)
4787 case MONO_TYPE_BOOLEAN:
4788 case MONO_TYPE_CHAR:
4801 case MONO_TYPE_VALUETYPE:
4802 case MONO_TYPE_TYPEDBYREF:
4803 case MONO_TYPE_GENERICINST:
4804 /* box value types */
4805 mono_mb_emit_op (mb, CEE_BOX, mono_class_from_mono_type (sig->ret));
4807 case MONO_TYPE_STRING:
4808 case MONO_TYPE_CLASS:
4809 case MONO_TYPE_ARRAY:
4810 case MONO_TYPE_SZARRAY:
4811 case MONO_TYPE_OBJECT:
4815 /* The result is an IntPtr */
4816 mono_mb_emit_op (mb, CEE_BOX, mono_defaults.int_class);
4819 g_assert_not_reached ();
4823 mono_mb_emit_stloc (mb, loc_res);
4825 /* Convert back nullable-byref arguments */
4826 for (i = 0; i < sig->param_count; i++) {
4827 MonoType *t = sig->params [i];
4830 * Box the result and put it back into the array, the caller will have
4831 * to obtain it from there.
4833 if (t->byref && t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t))) {
4834 mono_mb_emit_ldarg (mb, 1);
4835 mono_mb_emit_icon (mb, sizeof (gpointer) * i);
4836 mono_mb_emit_byte (mb, CEE_ADD);
4838 mono_mb_emit_ldloc (mb, tmp_nullable_locals [i]);
4839 mono_mb_emit_op (mb, CEE_BOX, mono_class_from_mono_type (t));
4841 mono_mb_emit_byte (mb, CEE_STIND_REF);
4845 g_free (tmp_nullable_locals);
4849 emit_runtime_invoke_body (MonoMethodBuilder *mb, MonoClass *target_klass, MonoMethod *method,
4850 MonoMethodSignature *sig, MonoMethodSignature *callsig,
4851 gboolean virtual, gboolean need_direct_wrapper)
4854 MonoExceptionClause *clause;
4855 int loc_res, loc_exc;
4857 /* The wrapper looks like this:
4863 * } catch (Exception e) {
4871 /* allocate local 0 (object) tmp */
4872 loc_res = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4873 /* allocate local 1 (object) exc */
4874 loc_exc = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4876 /* *exc is assumed to be initialized to NULL by the caller */
4878 mono_mb_emit_byte (mb, CEE_LDARG_2);
4879 labels [0] = mono_mb_emit_branch (mb, CEE_BRFALSE);
4884 labels [1] = mono_mb_get_label (mb);
4885 emit_thread_force_interrupt_checkpoint (mb);
4886 emit_invoke_call (mb, method, sig, callsig, loc_res, virtual, need_direct_wrapper);
4888 labels [2] = mono_mb_emit_branch (mb, CEE_LEAVE);
4890 /* Add a try clause around the call */
4891 clause = mono_image_alloc0 (target_klass->image, sizeof (MonoExceptionClause));
4892 clause->flags = MONO_EXCEPTION_CLAUSE_NONE;
4893 clause->data.catch_class = mono_defaults.exception_class;
4894 clause->try_offset = labels [1];
4895 clause->try_len = mono_mb_get_label (mb) - labels [1];
4897 clause->handler_offset = mono_mb_get_label (mb);
4900 mono_mb_emit_stloc (mb, loc_exc);
4901 mono_mb_emit_byte (mb, CEE_LDARG_2);
4902 mono_mb_emit_ldloc (mb, loc_exc);
4903 mono_mb_emit_byte (mb, CEE_STIND_REF);
4905 mono_mb_emit_branch (mb, CEE_LEAVE);
4907 clause->handler_len = mono_mb_get_pos (mb) - clause->handler_offset;
4909 mono_mb_set_clauses (mb, 1, clause);
4911 mono_mb_patch_branch (mb, labels [2]);
4912 mono_mb_emit_ldloc (mb, loc_res);
4913 mono_mb_emit_byte (mb, CEE_RET);
4918 mono_mb_patch_branch (mb, labels [0]);
4919 emit_thread_force_interrupt_checkpoint (mb);
4920 emit_invoke_call (mb, method, sig, callsig, loc_res, virtual, need_direct_wrapper);
4922 mono_mb_emit_ldloc (mb, 0);
4923 mono_mb_emit_byte (mb, CEE_RET);
4928 * generates IL code for the runtime invoke function
4929 * MonoObject *runtime_invoke (MonoObject *this, void **params, MonoObject **exc, void* method)
4931 * we also catch exceptions if exc != null
4932 * If VIRTUAL is TRUE, then METHOD is invoked virtually on THIS. This is useful since
4933 * it means that the compiled code for METHOD does not have to be looked up
4934 * before calling the runtime invoke wrapper. In this case, the wrapper ignores
4935 * its METHOD argument.
4938 mono_marshal_get_runtime_invoke (MonoMethod *method, gboolean virtual)
4940 MonoMethodSignature *sig, *csig, *callsig;
4941 MonoMethodBuilder *mb;
4942 GHashTable *cache = NULL;
4943 MonoClass *target_klass;
4944 MonoMethod *res = NULL;
4945 static MonoMethodSignature *cctor_signature = NULL;
4946 static MonoMethodSignature *finalize_signature = NULL;
4948 const char *param_names [16];
4949 gboolean need_direct_wrapper = FALSE;
4954 if (!cctor_signature) {
4955 cctor_signature = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
4956 cctor_signature->ret = &mono_defaults.void_class->byval_arg;
4958 if (!finalize_signature) {
4959 finalize_signature = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
4960 finalize_signature->ret = &mono_defaults.void_class->byval_arg;
4961 finalize_signature->hasthis = 1;
4965 need_direct_wrapper = TRUE;
4968 * Use a separate cache indexed by methods to speed things up and to avoid the
4969 * boundless mempool growth caused by the signature_dup stuff below.
4972 cache = get_cache (&method->klass->image->runtime_invoke_vcall_cache, mono_aligned_addr_hash, NULL);
4974 cache = get_cache (&method->klass->image->runtime_invoke_direct_cache, mono_aligned_addr_hash, NULL);
4975 res = mono_marshal_find_in_cache (cache, method);
4979 if (method->klass->rank && (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
4980 (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)) {
4982 * Array Get/Set/Address methods. The JIT implements them using inline code
4983 * so we need to create an invoke wrapper which calls the method directly.
4985 need_direct_wrapper = TRUE;
4988 if (method->string_ctor) {
4989 callsig = lookup_string_ctor_signature (mono_method_signature (method));
4991 callsig = add_string_ctor_signature (method);
4992 /* Can't share this as we push a string as this */
4993 need_direct_wrapper = TRUE;
4995 if (method->dynamic)
4996 callsig = signature_dup (method->klass->image, mono_method_signature (method));
4998 callsig = mono_method_signature (method);
5001 target_klass = get_wrapper_target_class (method->klass->image);
5003 /* Try to share wrappers for non-corlib methods with simple signatures */
5004 if (mono_metadata_signature_equal (callsig, cctor_signature)) {
5005 callsig = cctor_signature;
5006 target_klass = mono_defaults.object_class;
5007 } else if (mono_metadata_signature_equal (callsig, finalize_signature)) {
5008 callsig = finalize_signature;
5009 target_klass = mono_defaults.object_class;
5012 if (need_direct_wrapper) {
5013 /* Already searched at the start */
5015 MonoMethodSignature *tmp_sig;
5017 callsig = mono_marshal_get_runtime_invoke_sig (callsig);
5019 if (method->klass->valuetype && mono_method_signature (method)->hasthis)
5020 /* These have a different csig */
5021 cache = get_cache (&target_klass->image->runtime_invoke_vtype_cache,
5022 (GHashFunc)mono_signature_hash,
5023 (GCompareFunc)runtime_invoke_signature_equal);
5025 cache = get_cache (&target_klass->image->runtime_invoke_cache,
5026 (GHashFunc)mono_signature_hash,
5027 (GCompareFunc)runtime_invoke_signature_equal);
5029 /* from mono_marshal_find_in_cache */
5030 mono_marshal_lock ();
5031 res = g_hash_table_lookup (cache, callsig);
5032 mono_marshal_unlock ();
5039 /* Make a copy of the signature from the image mempool */
5041 callsig = mono_metadata_signature_dup_full (target_klass->image, callsig);
5045 sig = mono_method_signature (method);
5047 csig = mono_metadata_signature_alloc (target_klass->image, 4);
5049 csig->ret = &mono_defaults.object_class->byval_arg;
5050 if (method->klass->valuetype && mono_method_signature (method)->hasthis)
5051 csig->params [0] = get_runtime_invoke_type (&method->klass->this_arg, FALSE);
5053 csig->params [0] = &mono_defaults.object_class->byval_arg;
5054 csig->params [1] = &mono_defaults.int_class->byval_arg;
5055 csig->params [2] = &mono_defaults.int_class->byval_arg;
5056 csig->params [3] = &mono_defaults.int_class->byval_arg;
5059 /* This is called from runtime code so it has to be cdecl */
5060 csig->call_convention = MONO_CALL_C;
5063 name = mono_signature_to_name (callsig, virtual ? "runtime_invoke_virtual" : "runtime_invoke");
5064 mb = mono_mb_new (target_klass, name, MONO_WRAPPER_RUNTIME_INVOKE);
5068 param_names [0] = "this";
5069 param_names [1] = "params";
5070 param_names [2] = "exc";
5071 param_names [3] = "method";
5072 mono_mb_set_param_names (mb, param_names);
5074 emit_runtime_invoke_body (mb, target_klass, method, sig, callsig, virtual, need_direct_wrapper);
5077 if (need_direct_wrapper) {
5079 mb->skip_visibility = 1;
5081 res = mono_mb_create_and_cache (cache, method, mb, csig, sig->param_count + 16);
5082 info = mono_wrapper_info_create (res, virtual ? WRAPPER_SUBTYPE_RUNTIME_INVOKE_VIRTUAL : WRAPPER_SUBTYPE_RUNTIME_INVOKE_DIRECT);
5083 info->d.runtime_invoke.method = method;
5084 mono_marshal_set_wrapper_info (res, info);
5086 /* taken from mono_mb_create_and_cache */
5087 mono_marshal_lock ();
5088 res = g_hash_table_lookup (cache, callsig);
5089 mono_marshal_unlock ();
5091 /* Somebody may have created it before us */
5094 newm = mono_mb_create_method (mb, csig, sig->param_count + 16);
5096 mono_marshal_lock ();
5097 res = g_hash_table_lookup (cache, callsig);
5100 g_hash_table_insert (cache, callsig, res);
5101 /* Can't insert it into wrapper_hash since the key is a signature */
5102 g_hash_table_insert (method->klass->image->runtime_invoke_direct_cache, method, res);
5103 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_RUNTIME_INVOKE_NORMAL);
5104 info->d.runtime_invoke.sig = callsig;
5105 mono_marshal_set_wrapper_info (res, info);
5107 mono_free_method (newm);
5109 mono_marshal_unlock ();
5112 /* end mono_mb_create_and_cache */
5121 * mono_marshal_get_runtime_invoke_dynamic:
5123 * Return a method which can be used to invoke managed methods from native code
5125 * The signature of the returned method is given by RuntimeInvokeDynamicFunction:
5126 * void runtime_invoke (void *args, MonoObject **exc, void *compiled_method)
5127 * ARGS should point to an architecture specific structure containing
5128 * the arguments and space for the return value.
5129 * The other arguments are the same as for runtime_invoke (), except that
5130 * ARGS should contain the this argument too.
5131 * This wrapper serves the same purpose as the runtime-invoke wrappers, but there
5132 * is only one copy of it, which is useful in full-aot.
5133 * The wrapper info for the wrapper is a WrapperInfo structure.
5136 mono_marshal_get_runtime_invoke_dynamic (void)
5138 static MonoMethod *method;
5139 MonoMethodSignature *csig;
5140 MonoExceptionClause *clause;
5141 MonoMethodBuilder *mb;
5149 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
5151 csig->ret = &mono_defaults.void_class->byval_arg;
5152 csig->params [0] = &mono_defaults.int_class->byval_arg;
5153 csig->params [1] = &mono_defaults.int_class->byval_arg;
5154 csig->params [2] = &mono_defaults.int_class->byval_arg;
5155 csig->params [3] = &mono_defaults.int_class->byval_arg;
5157 name = g_strdup ("runtime_invoke_dynamic");
5158 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_RUNTIME_INVOKE);
5162 /* allocate local 0 (object) tmp */
5163 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
5164 /* allocate local 1 (object) exc */
5165 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
5167 /* cond set *exc to null */
5168 mono_mb_emit_byte (mb, CEE_LDARG_1);
5169 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
5170 mono_mb_emit_byte (mb, 3);
5171 mono_mb_emit_byte (mb, CEE_LDARG_1);
5172 mono_mb_emit_byte (mb, CEE_LDNULL);
5173 mono_mb_emit_byte (mb, CEE_STIND_REF);
5175 emit_thread_force_interrupt_checkpoint (mb);
5177 mono_mb_emit_byte (mb, CEE_LDARG_0);
5178 mono_mb_emit_byte (mb, CEE_LDARG_2);
5179 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5180 mono_mb_emit_byte (mb, CEE_MONO_DYN_CALL);
5182 pos = mono_mb_emit_branch (mb, CEE_LEAVE);
5184 clause = mono_image_alloc0 (mono_defaults.corlib, sizeof (MonoExceptionClause));
5185 clause->flags = MONO_EXCEPTION_CLAUSE_FILTER;
5186 clause->try_len = mono_mb_get_label (mb);
5189 clause->data.filter_offset = mono_mb_get_label (mb);
5191 mono_mb_emit_byte (mb, CEE_POP);
5192 mono_mb_emit_byte (mb, CEE_LDARG_1);
5193 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
5194 mono_mb_emit_byte (mb, CEE_PREFIX1);
5195 mono_mb_emit_byte (mb, CEE_CGT_UN);
5196 mono_mb_emit_byte (mb, CEE_PREFIX1);
5197 mono_mb_emit_byte (mb, CEE_ENDFILTER);
5199 clause->handler_offset = mono_mb_get_label (mb);
5202 /* store exception */
5203 mono_mb_emit_stloc (mb, 1);
5205 mono_mb_emit_byte (mb, CEE_LDARG_1);
5206 mono_mb_emit_ldloc (mb, 1);
5207 mono_mb_emit_byte (mb, CEE_STIND_REF);
5209 mono_mb_emit_byte (mb, CEE_LDNULL);
5210 mono_mb_emit_stloc (mb, 0);
5212 /* Check for the abort exception */
5213 mono_mb_emit_ldloc (mb, 1);
5214 mono_mb_emit_op (mb, CEE_ISINST, mono_defaults.threadabortexception_class);
5215 posna = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
5217 /* Delay the abort exception */
5218 mono_mb_emit_icall (mb, ves_icall_System_Threading_Thread_ResetAbort);
5220 mono_mb_patch_short_branch (mb, posna);
5221 mono_mb_emit_branch (mb, CEE_LEAVE);
5223 clause->handler_len = mono_mb_get_pos (mb) - clause->handler_offset;
5225 mono_mb_set_clauses (mb, 1, clause);
5228 mono_mb_patch_branch (mb, pos);
5229 //mono_mb_emit_ldloc (mb, 0);
5230 mono_mb_emit_byte (mb, CEE_RET);
5231 #endif /* DISABLE_JIT */
5233 mono_marshal_lock ();
5234 /* double-checked locking */
5236 method = mono_mb_create_method (mb, csig, 16);
5237 info = mono_wrapper_info_create (method, WRAPPER_SUBTYPE_RUNTIME_INVOKE_DYNAMIC);
5238 mono_marshal_set_wrapper_info (method, info);
5240 mono_marshal_unlock ();
5249 mono_mb_emit_auto_layout_exception (MonoMethodBuilder *mb, MonoClass *klass)
5251 char *msg = g_strdup_printf ("The type `%s.%s' layout needs to be Sequential or Explicit",
5252 klass->name_space, klass->name);
5254 mono_mb_emit_exception_marshal_directive (mb, msg);
5258 #ifndef DISABLE_REMOTING
5260 * mono_marshal_get_ldfld_remote_wrapper:
5261 * @klass: The return type
5263 * This method generates a wrapper for calling mono_load_remote_field_new.
5264 * The return type is ignored for now, as mono_load_remote_field_new () always
5265 * returns an object. In the future, to optimize some codepaths, we might
5266 * call a different function that takes a pointer to a valuetype, instead.
5269 mono_marshal_get_ldfld_remote_wrapper (MonoClass *klass)
5271 MonoMethodSignature *sig, *csig;
5272 MonoMethodBuilder *mb;
5274 static MonoMethod* cached = NULL;
5276 mono_marshal_lock ();
5278 mono_marshal_unlock ();
5281 mono_marshal_unlock ();
5283 mb = mono_mb_new_no_dup_name (mono_defaults.object_class, "__mono_load_remote_field_new_wrapper", MONO_WRAPPER_LDFLD_REMOTE);
5285 mb->method->save_lmf = 1;
5287 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
5288 sig->params [0] = &mono_defaults.object_class->byval_arg;
5289 sig->params [1] = &mono_defaults.int_class->byval_arg;
5290 sig->params [2] = &mono_defaults.int_class->byval_arg;
5291 sig->ret = &mono_defaults.object_class->byval_arg;
5294 mono_mb_emit_ldarg (mb, 0);
5295 mono_mb_emit_ldarg (mb, 1);
5296 mono_mb_emit_ldarg (mb, 2);
5298 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
5299 csig->params [0] = &mono_defaults.object_class->byval_arg;
5300 csig->params [1] = &mono_defaults.int_class->byval_arg;
5301 csig->params [2] = &mono_defaults.int_class->byval_arg;
5302 csig->ret = &mono_defaults.object_class->byval_arg;
5305 mono_mb_emit_native_call (mb, csig, mono_load_remote_field_new);
5306 emit_thread_interrupt_checkpoint (mb);
5308 mono_mb_emit_byte (mb, CEE_RET);
5311 mono_marshal_lock ();
5313 mono_marshal_unlock ();
5316 newm = mono_mb_create_method (mb, sig, 4);
5317 mono_marshal_lock ();
5322 mono_marshal_unlock ();
5324 mono_marshal_unlock ();
5325 mono_free_method (newm);
5334 * mono_marshal_get_ldfld_wrapper:
5335 * @type: the type of the field
5337 * This method generates a function which can be use to load a field with type
5338 * @type from an object. The generated function has the following signature:
5339 * <@type> ldfld_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset)
5342 mono_marshal_get_ldfld_wrapper (MonoType *type)
5344 MonoMethodSignature *sig;
5345 MonoMethodBuilder *mb;
5350 int t, pos0, pos1 = 0;
5352 type = mono_type_get_underlying_type (type);
5357 if (type->type == MONO_TYPE_SZARRAY) {
5358 klass = mono_defaults.array_class;
5359 } else if (type->type == MONO_TYPE_VALUETYPE) {
5360 klass = type->data.klass;
5361 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING) {
5362 klass = mono_defaults.object_class;
5363 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
5364 klass = mono_defaults.int_class;
5365 } else if (t == MONO_TYPE_GENERICINST) {
5366 if (mono_type_generic_inst_is_valuetype (type))
5367 klass = mono_class_from_mono_type (type);
5369 klass = mono_defaults.object_class;
5371 klass = mono_class_from_mono_type (type);
5374 klass = mono_defaults.int_class;
5377 cache = get_cache (&klass->image->ldfld_wrapper_cache, mono_aligned_addr_hash, NULL);
5378 if ((res = mono_marshal_find_in_cache (cache, klass)))
5381 /* we add the %p pointer value of klass because class names are not unique */
5382 name = g_strdup_printf ("__ldfld_wrapper_%p_%s.%s", klass, klass->name_space, klass->name);
5383 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_LDFLD);
5386 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
5387 sig->params [0] = &mono_defaults.object_class->byval_arg;
5388 sig->params [1] = &mono_defaults.int_class->byval_arg;
5389 sig->params [2] = &mono_defaults.int_class->byval_arg;
5390 sig->params [3] = &mono_defaults.int_class->byval_arg;
5391 sig->ret = &klass->byval_arg;
5394 mono_mb_emit_ldarg (mb, 0);
5395 pos0 = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
5397 mono_mb_emit_ldarg (mb, 0);
5398 mono_mb_emit_ldarg (mb, 1);
5399 mono_mb_emit_ldarg (mb, 2);
5401 mono_mb_emit_managed_call (mb, mono_marshal_get_ldfld_remote_wrapper (klass), NULL);
5404 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
5405 csig->params [0] = &mono_defaults.object_class->byval_arg;
5406 csig->params [1] = &mono_defaults.int_class->byval_arg;
5407 csig->params [2] = &mono_defaults.int_class->byval_arg;
5408 csig->ret = &klass->this_arg;
5411 mono_mb_emit_native_call (mb, csig, mono_load_remote_field_new);
5412 emit_thread_interrupt_checkpoint (mb);
5415 if (klass->valuetype) {
5416 mono_mb_emit_op (mb, CEE_UNBOX, klass);
5417 pos1 = mono_mb_emit_branch (mb, CEE_BR);
5419 mono_mb_emit_byte (mb, CEE_RET);
5423 mono_mb_patch_branch (mb, pos0);
5425 mono_mb_emit_ldarg (mb, 0);
5426 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5427 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
5428 mono_mb_emit_ldarg (mb, 3);
5429 mono_mb_emit_byte (mb, CEE_ADD);
5431 if (klass->valuetype)
5432 mono_mb_patch_branch (mb, pos1);
5437 case MONO_TYPE_BOOLEAN:
5438 case MONO_TYPE_CHAR:
5447 case MONO_TYPE_ARRAY:
5448 case MONO_TYPE_SZARRAY:
5449 case MONO_TYPE_OBJECT:
5450 case MONO_TYPE_CLASS:
5451 case MONO_TYPE_STRING:
5455 case MONO_TYPE_FNPTR:
5456 mono_mb_emit_byte (mb, mono_type_to_ldind (type));
5458 case MONO_TYPE_VALUETYPE:
5459 g_assert (!klass->enumtype);
5460 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
5462 case MONO_TYPE_GENERICINST:
5463 if (mono_type_generic_inst_is_valuetype (type)) {
5464 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
5466 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5470 case MONO_TYPE_MVAR:
5471 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
5474 g_warning ("type %x not implemented", type->type);
5475 g_assert_not_reached ();
5478 mono_mb_emit_byte (mb, CEE_RET);
5479 #endif /* DISABLE_JIT */
5481 res = mono_mb_create_and_cache (cache, klass,
5482 mb, sig, sig->param_count + 16);
5489 * mono_marshal_get_ldflda_wrapper:
5490 * @type: the type of the field
5492 * This method generates a function which can be used to load a field address
5493 * from an object. The generated function has the following signature:
5494 * gpointer ldflda_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset);
5497 mono_marshal_get_ldflda_wrapper (MonoType *type)
5499 MonoMethodSignature *sig;
5500 MonoMethodBuilder *mb;
5505 int t, pos0, pos1, pos2, pos3;
5507 type = mono_type_get_underlying_type (type);
5511 if (type->type == MONO_TYPE_SZARRAY) {
5512 klass = mono_defaults.array_class;
5513 } else if (type->type == MONO_TYPE_VALUETYPE) {
5514 klass = type->data.klass;
5515 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING ||
5516 t == MONO_TYPE_CLASS) {
5517 klass = mono_defaults.object_class;
5518 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
5519 klass = mono_defaults.int_class;
5520 } else if (t == MONO_TYPE_GENERICINST) {
5521 if (mono_type_generic_inst_is_valuetype (type))
5522 klass = mono_class_from_mono_type (type);
5524 klass = mono_defaults.object_class;
5526 klass = mono_class_from_mono_type (type);
5529 klass = mono_defaults.int_class;
5532 cache = get_cache (&klass->image->ldflda_wrapper_cache, mono_aligned_addr_hash, NULL);
5533 if ((res = mono_marshal_find_in_cache (cache, klass)))
5536 /* we add the %p pointer value of klass because class names are not unique */
5537 name = g_strdup_printf ("__ldflda_wrapper_%p_%s.%s", klass, klass->name_space, klass->name);
5538 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_LDFLDA);
5541 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
5542 sig->params [0] = &mono_defaults.object_class->byval_arg;
5543 sig->params [1] = &mono_defaults.int_class->byval_arg;
5544 sig->params [2] = &mono_defaults.int_class->byval_arg;
5545 sig->params [3] = &mono_defaults.int_class->byval_arg;
5546 sig->ret = &mono_defaults.int_class->byval_arg;
5549 /* if typeof (this) != transparent_proxy goto pos0 */
5550 mono_mb_emit_ldarg (mb, 0);
5551 pos0 = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
5553 /* if same_appdomain goto pos1 */
5554 mono_mb_emit_ldarg (mb, 0);
5555 pos1 = mono_mb_emit_xdomain_check (mb, CEE_BEQ);
5557 mono_mb_emit_exception_full (mb, "System", "InvalidOperationException", "Attempt to load field address from object in another appdomain.");
5559 /* same app domain */
5560 mono_mb_patch_branch (mb, pos1);
5562 /* if typeof (this) != contextbound goto pos2 */
5563 mono_mb_emit_ldarg (mb, 0);
5564 pos2 = mono_mb_emit_contextbound_check (mb, CEE_BEQ);
5566 /* if this->rp->context == mono_context_get goto pos3 */
5567 mono_mb_emit_ldarg (mb, 0);
5568 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
5569 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5570 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoRealProxy, context));
5571 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5572 mono_mb_emit_icall (mb, mono_context_get);
5573 pos3 = mono_mb_emit_branch (mb, CEE_BEQ);
5575 mono_mb_emit_exception_full (mb, "System", "InvalidOperationException", "Attempt to load field address from object in another context.");
5577 mono_mb_patch_branch (mb, pos2);
5578 mono_mb_patch_branch (mb, pos3);
5580 /* return the address of the field from this->rp->unwrapped_server */
5581 mono_mb_emit_ldarg (mb, 0);
5582 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
5583 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5584 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoRealProxy, unwrapped_server));
5585 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5586 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5587 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
5588 mono_mb_emit_ldarg (mb, 3);
5589 mono_mb_emit_byte (mb, CEE_ADD);
5590 mono_mb_emit_byte (mb, CEE_RET);
5592 /* not a proxy: return the address of the field directly */
5593 mono_mb_patch_branch (mb, pos0);
5595 mono_mb_emit_ldarg (mb, 0);
5596 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5597 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
5598 mono_mb_emit_ldarg (mb, 3);
5599 mono_mb_emit_byte (mb, CEE_ADD);
5601 mono_mb_emit_byte (mb, CEE_RET);
5604 res = mono_mb_create_and_cache (cache, klass,
5605 mb, sig, sig->param_count + 16);
5612 * mono_marshal_get_stfld_remote_wrapper:
5613 * klass: The type of the field
5615 * This function generates a wrapper for calling mono_store_remote_field_new
5616 * with the appropriate signature.
5617 * Similarly to mono_marshal_get_ldfld_remote_wrapper () this doesn't depend on the
5618 * klass argument anymore.
5621 mono_marshal_get_stfld_remote_wrapper (MonoClass *klass)
5623 MonoMethodSignature *sig, *csig;
5624 MonoMethodBuilder *mb;
5626 static MonoMethod *cached = NULL;
5628 mono_marshal_lock ();
5630 mono_marshal_unlock ();
5633 mono_marshal_unlock ();
5635 mb = mono_mb_new_no_dup_name (mono_defaults.object_class, "__mono_store_remote_field_new_wrapper", MONO_WRAPPER_STFLD_REMOTE);
5637 mb->method->save_lmf = 1;
5639 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
5640 sig->params [0] = &mono_defaults.object_class->byval_arg;
5641 sig->params [1] = &mono_defaults.int_class->byval_arg;
5642 sig->params [2] = &mono_defaults.int_class->byval_arg;
5643 sig->params [3] = &mono_defaults.object_class->byval_arg;
5644 sig->ret = &mono_defaults.void_class->byval_arg;
5647 mono_mb_emit_ldarg (mb, 0);
5648 mono_mb_emit_ldarg (mb, 1);
5649 mono_mb_emit_ldarg (mb, 2);
5650 mono_mb_emit_ldarg (mb, 3);
5652 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
5653 csig->params [0] = &mono_defaults.object_class->byval_arg;
5654 csig->params [1] = &mono_defaults.int_class->byval_arg;
5655 csig->params [2] = &mono_defaults.int_class->byval_arg;
5656 csig->params [3] = &mono_defaults.object_class->byval_arg;
5657 csig->ret = &mono_defaults.void_class->byval_arg;
5660 mono_mb_emit_native_call (mb, csig, mono_store_remote_field_new);
5661 emit_thread_interrupt_checkpoint (mb);
5663 mono_mb_emit_byte (mb, CEE_RET);
5666 mono_marshal_lock ();
5668 mono_marshal_unlock ();
5671 newm = mono_mb_create_method (mb, sig, 6);
5672 mono_marshal_lock ();
5677 mono_marshal_unlock ();
5679 mono_marshal_unlock ();
5680 mono_free_method (newm);
5689 * mono_marshal_get_stfld_wrapper:
5690 * @type: the type of the field
5692 * This method generates a function which can be use to store a field with type
5693 * @type. The generated function has the following signature:
5694 * void stfld_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset, <@type> val)
5697 mono_marshal_get_stfld_wrapper (MonoType *type)
5699 MonoMethodSignature *sig;
5700 MonoMethodBuilder *mb;
5707 type = mono_type_get_underlying_type (type);
5711 if (type->type == MONO_TYPE_SZARRAY) {
5712 klass = mono_defaults.array_class;
5713 } else if (type->type == MONO_TYPE_VALUETYPE) {
5714 klass = type->data.klass;
5715 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING) {
5716 klass = mono_defaults.object_class;
5717 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
5718 klass = mono_defaults.int_class;
5719 } else if (t == MONO_TYPE_GENERICINST) {
5720 if (mono_type_generic_inst_is_valuetype (type))
5721 klass = mono_class_from_mono_type (type);
5723 klass = mono_defaults.object_class;
5725 klass = mono_class_from_mono_type (type);
5728 klass = mono_defaults.int_class;
5731 cache = get_cache (&klass->image->stfld_wrapper_cache, mono_aligned_addr_hash, NULL);
5732 if ((res = mono_marshal_find_in_cache (cache, klass)))
5735 /* we add the %p pointer value of klass because class names are not unique */
5736 name = g_strdup_printf ("__stfld_wrapper_%p_%s.%s", klass, klass->name_space, klass->name);
5737 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_STFLD);
5740 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 5);
5741 sig->params [0] = &mono_defaults.object_class->byval_arg;
5742 sig->params [1] = &mono_defaults.int_class->byval_arg;
5743 sig->params [2] = &mono_defaults.int_class->byval_arg;
5744 sig->params [3] = &mono_defaults.int_class->byval_arg;
5745 sig->params [4] = &klass->byval_arg;
5746 sig->ret = &mono_defaults.void_class->byval_arg;
5749 mono_mb_emit_ldarg (mb, 0);
5750 pos = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
5752 mono_mb_emit_ldarg (mb, 0);
5753 mono_mb_emit_ldarg (mb, 1);
5754 mono_mb_emit_ldarg (mb, 2);
5755 mono_mb_emit_ldarg (mb, 4);
5756 if (klass->valuetype)
5757 mono_mb_emit_op (mb, CEE_BOX, klass);
5759 mono_mb_emit_managed_call (mb, mono_marshal_get_stfld_remote_wrapper (klass), NULL);
5761 mono_mb_emit_byte (mb, CEE_RET);
5763 mono_mb_patch_branch (mb, pos);
5765 mono_mb_emit_ldarg (mb, 0);
5766 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5767 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
5768 mono_mb_emit_ldarg (mb, 3);
5769 mono_mb_emit_byte (mb, CEE_ADD);
5770 mono_mb_emit_ldarg (mb, 4);
5775 case MONO_TYPE_BOOLEAN:
5776 case MONO_TYPE_CHAR:
5785 case MONO_TYPE_ARRAY:
5786 case MONO_TYPE_SZARRAY:
5787 case MONO_TYPE_OBJECT:
5788 case MONO_TYPE_CLASS:
5789 case MONO_TYPE_STRING:
5793 case MONO_TYPE_FNPTR:
5794 mono_mb_emit_byte (mb, mono_type_to_stind (type));
5796 case MONO_TYPE_VALUETYPE:
5797 g_assert (!klass->enumtype);
5798 mono_mb_emit_op (mb, CEE_STOBJ, klass);
5800 case MONO_TYPE_GENERICINST:
5802 case MONO_TYPE_MVAR:
5803 mono_mb_emit_op (mb, CEE_STOBJ, klass);
5806 g_warning ("type %x not implemented", type->type);
5807 g_assert_not_reached ();
5810 mono_mb_emit_byte (mb, CEE_RET);
5813 res = mono_mb_create_and_cache (cache, klass,
5814 mb, sig, sig->param_count + 16);
5819 #endif /* DISABLE_REMOTING */
5822 * generates IL code for the icall wrapper (the generated method
5823 * calls the unmanaged code in func)
5824 * The wrapper info for the wrapper is a WrapperInfo structure.
5827 mono_marshal_get_icall_wrapper (MonoMethodSignature *sig, const char *name, gconstpointer func, gboolean check_exceptions)
5829 MonoMethodSignature *csig, *csig2;
5830 MonoMethodBuilder *mb;
5835 g_assert (sig->pinvoke);
5837 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_MANAGED_TO_NATIVE);
5839 mb->method->save_lmf = 1;
5841 /* Add an explicit this argument */
5843 csig2 = signature_dup_add_this (mono_defaults.corlib, sig, mono_defaults.object_class);
5845 csig2 = signature_dup (mono_defaults.corlib, sig);
5849 mono_mb_emit_byte (mb, CEE_LDARG_0);
5851 for (i = 0; i < sig->param_count; i++)
5852 mono_mb_emit_ldarg (mb, i + sig->hasthis);
5854 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5855 mono_mb_emit_op (mb, CEE_MONO_JIT_ICALL_ADDR, (gpointer)func);
5856 mono_mb_emit_calli (mb, csig2);
5857 if (check_exceptions)
5858 emit_thread_interrupt_checkpoint (mb);
5859 mono_mb_emit_byte (mb, CEE_RET);
5862 csig = signature_dup (mono_defaults.corlib, sig);
5864 if (csig->call_convention == MONO_CALL_VARARG)
5865 csig->call_convention = 0;
5867 res = mono_mb_create_method (mb, csig, csig->param_count + 16);
5870 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_ICALL_WRAPPER);
5871 info->d.icall.func = (gpointer)func;
5872 mono_marshal_set_wrapper_info (res, info);
5878 emit_marshal_custom (EmitMarshalContext *m, int argnum, MonoType *t,
5879 MonoMarshalSpec *spec,
5880 int conv_arg, MonoType **conv_arg_type,
5881 MarshalAction action)
5884 if (action == MARSHAL_ACTION_CONV_IN && t->type == MONO_TYPE_VALUETYPE)
5885 *conv_arg_type = &mono_defaults.int_class->byval_arg;
5890 static MonoClass *ICustomMarshaler = NULL;
5891 static MonoMethod *cleanup_native, *cleanup_managed;
5892 static MonoMethod *marshal_managed_to_native, *marshal_native_to_managed;
5893 MonoMethod *get_instance = NULL;
5894 MonoMethodBuilder *mb = m->mb;
5895 char *exception_msg = NULL;
5899 if (!ICustomMarshaler) {
5900 ICustomMarshaler = mono_class_from_name (mono_defaults.corlib, "System.Runtime.InteropServices", "ICustomMarshaler");
5901 if (!ICustomMarshaler) {
5902 exception_msg = g_strdup ("Current profile doesn't support ICustomMarshaler");
5903 goto handle_exception;
5906 cleanup_native = mono_class_get_method_from_name (ICustomMarshaler, "CleanUpNativeData", 1);
5907 g_assert (cleanup_native);
5908 cleanup_managed = mono_class_get_method_from_name (ICustomMarshaler, "CleanUpManagedData", 1);
5909 g_assert (cleanup_managed);
5910 marshal_managed_to_native = mono_class_get_method_from_name (ICustomMarshaler, "MarshalManagedToNative", 1);
5911 g_assert (marshal_managed_to_native);
5912 marshal_native_to_managed = mono_class_get_method_from_name (ICustomMarshaler, "MarshalNativeToManaged", 1);
5913 g_assert (marshal_native_to_managed);
5916 mtype = mono_reflection_type_from_name (spec->data.custom_data.custom_name, m->image);
5917 g_assert (mtype != NULL);
5918 mklass = mono_class_from_mono_type (mtype);
5919 g_assert (mklass != NULL);
5921 if (!mono_class_is_assignable_from (ICustomMarshaler, mklass))
5922 exception_msg = g_strdup_printf ("Custom marshaler '%s' does not implement the ICustomMarshaler interface.", mklass->name);
5924 get_instance = mono_class_get_method_from_name_flags (mklass, "GetInstance", 1, METHOD_ATTRIBUTE_STATIC);
5926 MonoMethodSignature *get_sig = mono_method_signature (get_instance);
5927 if ((get_sig->ret->type != MONO_TYPE_CLASS) ||
5928 (mono_class_from_mono_type (get_sig->ret) != ICustomMarshaler) ||
5929 (get_sig->params [0]->type != MONO_TYPE_STRING))
5930 get_instance = NULL;
5934 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);
5937 /* Throw exception and emit compensation code if neccesary */
5938 if (exception_msg) {
5940 case MARSHAL_ACTION_CONV_IN:
5941 case MARSHAL_ACTION_CONV_RESULT:
5942 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
5943 if ((action == MARSHAL_ACTION_CONV_RESULT) || (action == MARSHAL_ACTION_MANAGED_CONV_RESULT))
5944 mono_mb_emit_byte (mb, CEE_POP);
5946 mono_mb_emit_exception_full (mb, "System", "ApplicationException", exception_msg);
5947 g_free (exception_msg);
5950 case MARSHAL_ACTION_PUSH:
5951 mono_mb_emit_byte (mb, CEE_LDNULL);
5959 /* FIXME: MS.NET seems to create one instance for each klass + cookie pair */
5960 /* FIXME: MS.NET throws an exception if GetInstance returns null */
5963 case MARSHAL_ACTION_CONV_IN:
5965 case MONO_TYPE_CLASS:
5966 case MONO_TYPE_OBJECT:
5967 case MONO_TYPE_STRING:
5968 case MONO_TYPE_ARRAY:
5969 case MONO_TYPE_SZARRAY:
5970 case MONO_TYPE_VALUETYPE:
5974 g_warning ("custom marshalling of type %x is currently not supported", t->type);
5975 g_assert_not_reached ();
5979 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5981 mono_mb_emit_byte (mb, CEE_LDNULL);
5982 mono_mb_emit_stloc (mb, conv_arg);
5984 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT))
5987 /* Minic MS.NET behavior */
5988 if (!t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT) && !(t->attrs & PARAM_ATTRIBUTE_IN))
5991 /* Check for null */
5992 mono_mb_emit_ldarg (mb, argnum);
5994 mono_mb_emit_byte (mb, CEE_LDIND_I);
5995 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5997 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5999 mono_mb_emit_op (mb, CEE_CALL, get_instance);
6001 mono_mb_emit_ldarg (mb, argnum);
6003 mono_mb_emit_byte (mb, CEE_LDIND_REF);
6005 if (t->type == MONO_TYPE_VALUETYPE) {
6007 * Since we can't determine the type of the argument, we
6008 * will assume the unmanaged function takes a pointer.
6010 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6012 mono_mb_emit_op (mb, CEE_BOX, mono_class_from_mono_type (t));
6015 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_managed_to_native);
6016 mono_mb_emit_stloc (mb, conv_arg);
6018 mono_mb_patch_branch (mb, pos2);
6021 case MARSHAL_ACTION_CONV_OUT:
6022 /* Check for null */
6023 mono_mb_emit_ldloc (mb, conv_arg);
6024 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6027 mono_mb_emit_ldarg (mb, argnum);
6029 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
6031 mono_mb_emit_op (mb, CEE_CALL, get_instance);
6033 mono_mb_emit_ldloc (mb, conv_arg);
6034 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
6035 mono_mb_emit_byte (mb, CEE_STIND_REF);
6036 } else if (t->attrs & PARAM_ATTRIBUTE_OUT) {
6037 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
6039 mono_mb_emit_op (mb, CEE_CALL, get_instance);
6041 mono_mb_emit_ldloc (mb, conv_arg);
6042 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
6044 /* We have nowhere to store the result */
6045 mono_mb_emit_byte (mb, CEE_POP);
6048 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
6050 mono_mb_emit_op (mb, CEE_CALL, get_instance);
6052 mono_mb_emit_ldloc (mb, conv_arg);
6054 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_native);
6056 mono_mb_patch_branch (mb, pos2);
6059 case MARSHAL_ACTION_PUSH:
6061 mono_mb_emit_ldloc_addr (mb, conv_arg);
6063 mono_mb_emit_ldloc (mb, conv_arg);
6066 case MARSHAL_ACTION_CONV_RESULT:
6067 loc1 = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6069 mono_mb_emit_stloc (mb, 3);
6071 mono_mb_emit_ldloc (mb, 3);
6072 mono_mb_emit_stloc (mb, loc1);
6074 /* Check for null */
6075 mono_mb_emit_ldloc (mb, 3);
6076 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6078 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
6080 mono_mb_emit_op (mb, CEE_CALL, get_instance);
6081 mono_mb_emit_byte (mb, CEE_DUP);
6083 mono_mb_emit_ldloc (mb, 3);
6084 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
6085 mono_mb_emit_stloc (mb, 3);
6087 mono_mb_emit_ldloc (mb, loc1);
6088 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_native);
6090 mono_mb_patch_branch (mb, pos2);
6093 case MARSHAL_ACTION_MANAGED_CONV_IN:
6094 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
6096 mono_mb_emit_byte (mb, CEE_LDNULL);
6097 mono_mb_emit_stloc (mb, conv_arg);
6099 if (t->byref && t->attrs & PARAM_ATTRIBUTE_OUT)
6102 /* Check for null */
6103 mono_mb_emit_ldarg (mb, argnum);
6105 mono_mb_emit_byte (mb, CEE_LDIND_I);
6106 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6108 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
6109 mono_mb_emit_op (mb, CEE_CALL, get_instance);
6111 mono_mb_emit_ldarg (mb, argnum);
6113 mono_mb_emit_byte (mb, CEE_LDIND_I);
6115 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
6116 mono_mb_emit_stloc (mb, conv_arg);
6118 mono_mb_patch_branch (mb, pos2);
6121 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
6122 g_assert (!t->byref);
6124 loc1 = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
6126 mono_mb_emit_stloc (mb, 3);
6128 mono_mb_emit_ldloc (mb, 3);
6129 mono_mb_emit_stloc (mb, loc1);
6131 /* Check for null */
6132 mono_mb_emit_ldloc (mb, 3);
6133 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6135 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
6136 mono_mb_emit_op (mb, CEE_CALL, get_instance);
6137 mono_mb_emit_byte (mb, CEE_DUP);
6139 mono_mb_emit_ldloc (mb, 3);
6140 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_managed_to_native);
6141 mono_mb_emit_stloc (mb, 3);
6143 mono_mb_emit_ldloc (mb, loc1);
6144 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_managed);
6146 mono_mb_patch_branch (mb, pos2);
6149 case MARSHAL_ACTION_MANAGED_CONV_OUT:
6151 /* Check for null */
6152 mono_mb_emit_ldloc (mb, conv_arg);
6153 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6156 mono_mb_emit_ldarg (mb, argnum);
6158 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
6160 mono_mb_emit_op (mb, CEE_CALL, get_instance);
6162 mono_mb_emit_ldloc (mb, conv_arg);
6163 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_managed_to_native);
6164 mono_mb_emit_byte (mb, CEE_STIND_I);
6167 /* Call CleanUpManagedData */
6168 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
6170 mono_mb_emit_op (mb, CEE_CALL, get_instance);
6172 mono_mb_emit_ldloc (mb, conv_arg);
6173 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_managed);
6175 mono_mb_patch_branch (mb, pos2);
6179 g_assert_not_reached ();
6187 emit_marshal_asany (EmitMarshalContext *m, int argnum, MonoType *t,
6188 MonoMarshalSpec *spec,
6189 int conv_arg, MonoType **conv_arg_type,
6190 MarshalAction action)
6193 MonoMethodBuilder *mb = m->mb;
6196 case MARSHAL_ACTION_CONV_IN: {
6197 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, NULL);
6199 g_assert (t->type == MONO_TYPE_OBJECT);
6200 g_assert (!t->byref);
6202 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6203 mono_mb_emit_ldarg (mb, argnum);
6204 mono_mb_emit_icon (mb, encoding);
6205 mono_mb_emit_icon (mb, t->attrs);
6206 mono_mb_emit_icall (mb, mono_marshal_asany);
6207 mono_mb_emit_stloc (mb, conv_arg);
6211 case MARSHAL_ACTION_PUSH:
6212 mono_mb_emit_ldloc (mb, conv_arg);
6215 case MARSHAL_ACTION_CONV_OUT: {
6216 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, NULL);
6218 mono_mb_emit_ldarg (mb, argnum);
6219 mono_mb_emit_ldloc (mb, conv_arg);
6220 mono_mb_emit_icon (mb, encoding);
6221 mono_mb_emit_icon (mb, t->attrs);
6222 mono_mb_emit_icall (mb, mono_marshal_free_asany);
6227 g_assert_not_reached ();
6234 emit_marshal_vtype (EmitMarshalContext *m, int argnum, MonoType *t,
6235 MonoMarshalSpec *spec,
6236 int conv_arg, MonoType **conv_arg_type,
6237 MarshalAction action)
6240 MonoMethodBuilder *mb = m->mb;
6241 MonoClass *klass, *date_time_class;
6244 klass = mono_class_from_mono_type (t);
6246 date_time_class = mono_class_from_name_cached (mono_defaults.corlib, "System", "DateTime");
6249 case MARSHAL_ACTION_CONV_IN:
6250 if (klass == date_time_class) {
6251 /* Convert it to an OLE DATE type */
6252 static MonoMethod *to_oadate;
6255 to_oadate = mono_class_get_method_from_name (date_time_class, "ToOADate", 0);
6256 g_assert (to_oadate);
6258 conv_arg = mono_mb_add_local (mb, &mono_defaults.double_class->byval_arg);
6261 mono_mb_emit_ldarg (mb, argnum);
6262 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6265 if (!(t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && (t->attrs & PARAM_ATTRIBUTE_OUT))) {
6267 m->csig->params [argnum - m->csig->hasthis] = &mono_defaults.double_class->byval_arg;
6269 mono_mb_emit_ldarg_addr (mb, argnum);
6270 mono_mb_emit_managed_call (mb, to_oadate, NULL);
6271 mono_mb_emit_stloc (mb, conv_arg);
6275 mono_mb_patch_branch (mb, pos);
6279 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6280 klass->blittable || klass->enumtype)
6283 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6285 /* store the address of the source into local variable 0 */
6287 mono_mb_emit_ldarg (mb, argnum);
6289 mono_mb_emit_ldarg_addr (mb, argnum);
6291 mono_mb_emit_stloc (mb, 0);
6293 /* allocate space for the native struct and
6294 * store the address into local variable 1 (dest) */
6295 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
6296 mono_mb_emit_byte (mb, CEE_PREFIX1);
6297 mono_mb_emit_byte (mb, CEE_LOCALLOC);
6298 mono_mb_emit_stloc (mb, conv_arg);
6301 mono_mb_emit_ldloc (mb, 0);
6302 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6305 if (!(t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && (t->attrs & PARAM_ATTRIBUTE_OUT))) {
6307 mono_mb_emit_ldloc (mb, conv_arg);
6308 mono_mb_emit_stloc (mb, 1);
6310 /* emit valuetype conversion code */
6311 emit_struct_conv (mb, klass, FALSE);
6315 mono_mb_patch_branch (mb, pos);
6318 case MARSHAL_ACTION_PUSH:
6319 if (spec && spec->native == MONO_NATIVE_LPSTRUCT) {
6321 g_assert (!t->byref);
6323 /* Have to change the signature since the vtype is passed byref */
6324 m->csig->params [argnum - m->csig->hasthis] = &mono_defaults.int_class->byval_arg;
6326 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6327 klass->blittable || klass->enumtype)
6328 mono_mb_emit_ldarg_addr (mb, argnum);
6330 mono_mb_emit_ldloc (mb, conv_arg);
6334 if (klass == date_time_class) {
6336 mono_mb_emit_ldloc_addr (mb, conv_arg);
6338 mono_mb_emit_ldloc (mb, conv_arg);
6342 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6343 klass->blittable || klass->enumtype) {
6344 mono_mb_emit_ldarg (mb, argnum);
6347 mono_mb_emit_ldloc (mb, conv_arg);
6349 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6350 mono_mb_emit_op (mb, CEE_MONO_LDNATIVEOBJ, klass);
6354 case MARSHAL_ACTION_CONV_OUT:
6355 if (klass == date_time_class) {
6356 /* Convert from an OLE DATE type */
6357 static MonoMethod *from_oadate;
6362 if (!((t->attrs & PARAM_ATTRIBUTE_IN) && !(t->attrs & PARAM_ATTRIBUTE_OUT))) {
6364 from_oadate = mono_class_get_method_from_name (date_time_class, "FromOADate", 1);
6365 g_assert (from_oadate);
6367 mono_mb_emit_ldarg (mb, argnum);
6368 mono_mb_emit_ldloc (mb, conv_arg);
6369 mono_mb_emit_managed_call (mb, from_oadate, NULL);
6370 mono_mb_emit_op (mb, CEE_STOBJ, date_time_class);
6375 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6376 klass->blittable || klass->enumtype)
6380 /* dst = argument */
6381 mono_mb_emit_ldarg (mb, argnum);
6382 mono_mb_emit_stloc (mb, 1);
6384 mono_mb_emit_ldloc (mb, 1);
6385 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6387 if (!((t->attrs & PARAM_ATTRIBUTE_IN) && !(t->attrs & PARAM_ATTRIBUTE_OUT))) {
6388 /* src = tmp_locals [i] */
6389 mono_mb_emit_ldloc (mb, conv_arg);
6390 mono_mb_emit_stloc (mb, 0);
6392 /* emit valuetype conversion code */
6393 emit_struct_conv (mb, klass, TRUE);
6397 emit_struct_free (mb, klass, conv_arg);
6400 mono_mb_patch_branch (mb, pos);
6403 case MARSHAL_ACTION_CONV_RESULT:
6404 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6406 mono_mb_emit_stloc (mb, 3);
6410 /* load pointer to returned value type */
6411 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6412 mono_mb_emit_byte (mb, CEE_MONO_VTADDR);
6413 /* store the address of the source into local variable 0 */
6414 mono_mb_emit_stloc (mb, 0);
6416 mono_mb_emit_ldloc_addr (mb, 3);
6417 mono_mb_emit_stloc (mb, 1);
6419 /* emit valuetype conversion code */
6420 emit_struct_conv (mb, klass, TRUE);
6423 case MARSHAL_ACTION_MANAGED_CONV_IN:
6424 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6425 klass->blittable || klass->enumtype) {
6430 conv_arg = mono_mb_add_local (mb, &klass->byval_arg);
6432 if (t->attrs & PARAM_ATTRIBUTE_OUT)
6436 mono_mb_emit_ldarg (mb, argnum);
6438 mono_mb_emit_ldarg_addr (mb, argnum);
6439 mono_mb_emit_stloc (mb, 0);
6442 mono_mb_emit_ldloc (mb, 0);
6443 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6446 mono_mb_emit_ldloc_addr (mb, conv_arg);
6447 mono_mb_emit_stloc (mb, 1);
6449 /* emit valuetype conversion code */
6450 emit_struct_conv (mb, klass, TRUE);
6453 mono_mb_patch_branch (mb, pos);
6456 case MARSHAL_ACTION_MANAGED_CONV_OUT:
6457 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6458 klass->blittable || klass->enumtype) {
6462 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_IN) && !(t->attrs & PARAM_ATTRIBUTE_OUT))
6465 /* Check for null */
6466 mono_mb_emit_ldarg (mb, argnum);
6467 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6470 mono_mb_emit_ldloc_addr (mb, conv_arg);
6471 mono_mb_emit_stloc (mb, 0);
6474 mono_mb_emit_ldarg (mb, argnum);
6475 mono_mb_emit_stloc (mb, 1);
6477 /* emit valuetype conversion code */
6478 emit_struct_conv (mb, klass, FALSE);
6480 mono_mb_patch_branch (mb, pos2);
6483 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
6484 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6485 klass->blittable || klass->enumtype) {
6486 mono_mb_emit_stloc (mb, 3);
6491 /* load pointer to returned value type */
6492 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6493 mono_mb_emit_byte (mb, CEE_MONO_VTADDR);
6495 /* store the address of the source into local variable 0 */
6496 mono_mb_emit_stloc (mb, 0);
6497 /* allocate space for the native struct and
6498 * store the address into dst_ptr */
6499 m->retobj_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6500 m->retobj_class = klass;
6501 g_assert (m->retobj_var);
6502 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
6503 mono_mb_emit_byte (mb, CEE_CONV_I);
6504 mono_mb_emit_icall (mb, mono_marshal_alloc);
6505 mono_mb_emit_stloc (mb, 1);
6506 mono_mb_emit_ldloc (mb, 1);
6507 mono_mb_emit_stloc (mb, m->retobj_var);
6509 /* emit valuetype conversion code */
6510 emit_struct_conv (mb, klass, FALSE);
6514 g_assert_not_reached ();
6521 emit_marshal_string (EmitMarshalContext *m, int argnum, MonoType *t,
6522 MonoMarshalSpec *spec,
6523 int conv_arg, MonoType **conv_arg_type,
6524 MarshalAction action)
6528 case MARSHAL_ACTION_CONV_IN:
6529 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6531 case MARSHAL_ACTION_MANAGED_CONV_IN:
6532 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6536 MonoMethodBuilder *mb = m->mb;
6537 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
6538 MonoMarshalConv conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
6542 case MARSHAL_ACTION_CONV_IN:
6543 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6544 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6547 if (t->attrs & PARAM_ATTRIBUTE_OUT)
6550 mono_mb_emit_ldarg (mb, argnum);
6551 mono_mb_emit_byte (mb, CEE_LDIND_I);
6553 mono_mb_emit_ldarg (mb, argnum);
6557 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
6558 mono_mb_emit_exception_marshal_directive (mb, msg);
6560 mono_mb_emit_icall (mb, conv_to_icall (conv));
6562 mono_mb_emit_stloc (mb, conv_arg);
6566 case MARSHAL_ACTION_CONV_OUT:
6567 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
6569 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
6570 mono_mb_emit_exception_marshal_directive (mb, msg);
6574 if (encoding == MONO_NATIVE_VBBYREFSTR) {
6575 static MonoMethod *m;
6578 m = mono_class_get_method_from_name_flags (mono_defaults.string_class, "get_Length", -1, 0);
6583 char *msg = g_strdup_printf ("VBByRefStr marshalling requires a ref parameter.", encoding);
6584 mono_mb_emit_exception_marshal_directive (mb, msg);
6589 * Have to allocate a new string with the same length as the original, and
6590 * copy the contents of the buffer pointed to by CONV_ARG into it.
6592 g_assert (t->byref);
6593 mono_mb_emit_ldarg (mb, argnum);
6594 mono_mb_emit_ldloc (mb, conv_arg);
6595 mono_mb_emit_ldarg (mb, argnum);
6596 mono_mb_emit_byte (mb, CEE_LDIND_I);
6597 mono_mb_emit_managed_call (mb, m, NULL);
6598 mono_mb_emit_icall (mb, mono_string_new_len_wrapper);
6599 mono_mb_emit_byte (mb, CEE_STIND_REF);
6600 } else if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT || !(t->attrs & PARAM_ATTRIBUTE_IN))) {
6601 mono_mb_emit_ldarg (mb, argnum);
6602 mono_mb_emit_ldloc (mb, conv_arg);
6603 mono_mb_emit_icall (mb, conv_to_icall (conv));
6604 mono_mb_emit_byte (mb, CEE_STIND_REF);
6609 mono_mb_emit_ldloc (mb, conv_arg);
6610 if (conv == MONO_MARSHAL_CONV_BSTR_STR)
6611 mono_mb_emit_icall (mb, mono_free_bstr);
6613 mono_mb_emit_icall (mb, mono_marshal_free);
6617 case MARSHAL_ACTION_PUSH:
6618 if (t->byref && encoding != MONO_NATIVE_VBBYREFSTR)
6619 mono_mb_emit_ldloc_addr (mb, conv_arg);
6621 mono_mb_emit_ldloc (mb, conv_arg);
6624 case MARSHAL_ACTION_CONV_RESULT:
6625 mono_mb_emit_stloc (mb, 0);
6627 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
6629 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
6630 mono_mb_emit_exception_marshal_directive (mb, msg);
6634 mono_mb_emit_ldloc (mb, 0);
6635 mono_mb_emit_icall (mb, conv_to_icall (conv));
6636 mono_mb_emit_stloc (mb, 3);
6638 /* free the string */
6639 mono_mb_emit_ldloc (mb, 0);
6640 if (conv == MONO_MARSHAL_CONV_BSTR_STR)
6641 mono_mb_emit_icall (mb, mono_free_bstr);
6643 mono_mb_emit_icall (mb, mono_marshal_free);
6646 case MARSHAL_ACTION_MANAGED_CONV_IN:
6647 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
6649 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6652 if (t->attrs & PARAM_ATTRIBUTE_OUT)
6656 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
6658 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
6659 mono_mb_emit_exception_marshal_directive (mb, msg);
6663 mono_mb_emit_ldarg (mb, argnum);
6665 mono_mb_emit_byte (mb, CEE_LDIND_I);
6666 mono_mb_emit_icall (mb, conv_to_icall (conv));
6667 mono_mb_emit_stloc (mb, conv_arg);
6670 case MARSHAL_ACTION_MANAGED_CONV_OUT:
6673 mono_mb_emit_ldarg (mb, argnum);
6674 mono_mb_emit_ldloc (mb, conv_arg);
6675 mono_mb_emit_icall (mb, conv_to_icall (conv));
6676 mono_mb_emit_byte (mb, CEE_STIND_I);
6681 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
6682 if (conv_to_icall (conv) == mono_marshal_string_to_utf16)
6683 /* We need to make a copy so the caller is able to free it */
6684 mono_mb_emit_icall (mb, mono_marshal_string_to_utf16_copy);
6686 mono_mb_emit_icall (mb, conv_to_icall (conv));
6687 mono_mb_emit_stloc (mb, 3);
6691 g_assert_not_reached ();
6699 emit_marshal_safehandle (EmitMarshalContext *m, int argnum, MonoType *t,
6700 MonoMarshalSpec *spec, int conv_arg,
6701 MonoType **conv_arg_type, MarshalAction action)
6704 if (action == MARSHAL_ACTION_CONV_IN)
6705 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6707 MonoMethodBuilder *mb = m->mb;
6710 case MARSHAL_ACTION_CONV_IN: {
6711 MonoType *intptr_type;
6712 int dar_release_slot, pos;
6714 intptr_type = &mono_defaults.int_class->byval_arg;
6715 conv_arg = mono_mb_add_local (mb, intptr_type);
6716 *conv_arg_type = intptr_type;
6718 if (!sh_dangerous_add_ref)
6719 init_safe_handle ();
6721 mono_mb_emit_ldarg (mb, argnum);
6722 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
6723 mono_mb_emit_exception (mb, "ArgumentNullException", NULL);
6725 mono_mb_patch_branch (mb, pos);
6728 * My tests in show that ref SafeHandles are not really
6729 * passed as ref objects. Instead a NULL is passed as the
6732 mono_mb_emit_icon (mb, 0);
6733 mono_mb_emit_stloc (mb, conv_arg);
6737 /* Create local to hold the ref parameter to DangerousAddRef */
6738 dar_release_slot = mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
6740 /* set release = false; */
6741 mono_mb_emit_icon (mb, 0);
6742 mono_mb_emit_stloc (mb, dar_release_slot);
6744 /* safehandle.DangerousAddRef (ref release) */
6745 mono_mb_emit_ldarg (mb, argnum);
6746 mono_mb_emit_ldloc_addr (mb, dar_release_slot);
6747 mono_mb_emit_managed_call (mb, sh_dangerous_add_ref, NULL);
6749 /* Pull the handle field from SafeHandle */
6750 mono_mb_emit_ldarg (mb, argnum);
6751 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoSafeHandle, handle));
6752 mono_mb_emit_byte (mb, CEE_LDIND_I);
6753 mono_mb_emit_stloc (mb, conv_arg);
6758 case MARSHAL_ACTION_PUSH:
6760 mono_mb_emit_ldloc_addr (mb, conv_arg);
6762 mono_mb_emit_ldloc (mb, conv_arg);
6765 case MARSHAL_ACTION_CONV_OUT: {
6766 /* The slot for the boolean is the next temporary created after conv_arg, see the CONV_IN code */
6767 int dar_release_slot = conv_arg + 1;
6770 if (!sh_dangerous_release)
6771 init_safe_handle ();
6777 * My tests indicate that ref SafeHandles parameters are not actually
6778 * passed by ref, but instead a new Handle is created regardless of
6779 * whether a change happens in the unmanaged side.
6781 * Also, the Handle is created before calling into unmanaged code,
6782 * but we do not support that mechanism (getting to the original
6783 * handle) and it makes no difference where we create this
6785 ctor = mono_class_get_method_from_name (t->data.klass, ".ctor", 0);
6787 mono_mb_emit_exception (mb, "MissingMethodException", "paramterless constructor required");
6790 /* refval = new SafeHandleDerived ()*/
6791 mono_mb_emit_ldarg (mb, argnum);
6792 mono_mb_emit_op (mb, CEE_NEWOBJ, ctor);
6793 mono_mb_emit_byte (mb, CEE_STIND_REF);
6795 /* refval.handle = returned_handle */
6796 mono_mb_emit_ldarg (mb, argnum);
6797 mono_mb_emit_byte (mb, CEE_LDIND_REF);
6798 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoSafeHandle, handle));
6799 mono_mb_emit_ldloc (mb, conv_arg);
6800 mono_mb_emit_byte (mb, CEE_STIND_I);
6802 mono_mb_emit_ldloc (mb, dar_release_slot);
6803 label_next = mono_mb_emit_branch (mb, CEE_BRFALSE);
6804 mono_mb_emit_ldarg (mb, argnum);
6805 mono_mb_emit_managed_call (mb, sh_dangerous_release, NULL);
6806 mono_mb_patch_branch (mb, label_next);
6811 case MARSHAL_ACTION_CONV_RESULT: {
6812 MonoMethod *ctor = NULL;
6813 int intptr_handle_slot;
6815 if (t->data.klass->flags & TYPE_ATTRIBUTE_ABSTRACT){
6816 mono_mb_emit_byte (mb, CEE_POP);
6817 mono_mb_emit_exception_marshal_directive (mb, g_strdup ("Returned SafeHandles should not be abstract"));
6821 ctor = mono_class_get_method_from_name (t->data.klass, ".ctor", 0);
6823 mono_mb_emit_byte (mb, CEE_POP);
6824 mono_mb_emit_exception (mb, "MissingMethodException", "paramterless constructor required");
6827 /* Store the IntPtr results into a local */
6828 intptr_handle_slot = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6829 mono_mb_emit_stloc (mb, intptr_handle_slot);
6831 /* Create return value */
6832 mono_mb_emit_op (mb, CEE_NEWOBJ, ctor);
6833 mono_mb_emit_stloc (mb, 3);
6835 /* Set the return.handle to the value, am using ldflda, not sure if thats a good idea */
6836 mono_mb_emit_ldloc (mb, 3);
6837 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoSafeHandle, handle));
6838 mono_mb_emit_ldloc (mb, intptr_handle_slot);
6839 mono_mb_emit_byte (mb, CEE_STIND_I);
6843 case MARSHAL_ACTION_MANAGED_CONV_IN:
6844 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_IN\n");
6847 case MARSHAL_ACTION_MANAGED_CONV_OUT:
6848 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_OUT\n");
6851 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
6852 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_RESULT\n");
6855 printf ("Unhandled case for MarshalAction: %d\n", action);
6863 emit_marshal_handleref (EmitMarshalContext *m, int argnum, MonoType *t,
6864 MonoMarshalSpec *spec, int conv_arg,
6865 MonoType **conv_arg_type, MarshalAction action)
6868 if (action == MARSHAL_ACTION_CONV_IN)
6869 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6871 MonoMethodBuilder *mb = m->mb;
6874 case MARSHAL_ACTION_CONV_IN: {
6875 MonoType *intptr_type;
6877 intptr_type = &mono_defaults.int_class->byval_arg;
6878 conv_arg = mono_mb_add_local (mb, intptr_type);
6879 *conv_arg_type = intptr_type;
6882 char *msg = g_strdup ("HandleRefs can not be returned from unmanaged code (or passed by ref)");
6883 mono_mb_emit_exception_marshal_directive (mb, msg);
6886 mono_mb_emit_ldarg_addr (mb, argnum);
6887 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoHandleRef, handle));
6888 mono_mb_emit_byte (mb, CEE_ADD);
6889 mono_mb_emit_byte (mb, CEE_LDIND_I);
6890 mono_mb_emit_stloc (mb, conv_arg);
6894 case MARSHAL_ACTION_PUSH:
6895 mono_mb_emit_ldloc (mb, conv_arg);
6898 case MARSHAL_ACTION_CONV_OUT: {
6899 /* no resource release required */
6903 case MARSHAL_ACTION_CONV_RESULT: {
6904 char *msg = g_strdup ("HandleRefs can not be returned from unmanaged code (or passed by ref)");
6905 mono_mb_emit_exception_marshal_directive (mb, msg);
6909 case MARSHAL_ACTION_MANAGED_CONV_IN:
6910 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_IN\n");
6913 case MARSHAL_ACTION_MANAGED_CONV_OUT:
6914 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_OUT\n");
6917 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
6918 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_RESULT\n");
6921 fprintf (stderr, "Unhandled case for MarshalAction: %d\n", action);
6929 emit_marshal_object (EmitMarshalContext *m, int argnum, MonoType *t,
6930 MonoMarshalSpec *spec,
6931 int conv_arg, MonoType **conv_arg_type,
6932 MarshalAction action)
6935 if (action == MARSHAL_ACTION_CONV_IN)
6936 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6938 MonoMethodBuilder *mb = m->mb;
6939 MonoClass *klass = mono_class_from_mono_type (t);
6943 case MARSHAL_ACTION_CONV_IN:
6944 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6945 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6947 m->orig_conv_args [argnum] = 0;
6949 if (mono_class_from_mono_type (t) == mono_defaults.object_class) {
6950 char *msg = g_strdup_printf ("Marshalling of type object is not implemented");
6951 mono_mb_emit_exception_marshal_directive (mb, msg);
6955 if (klass->delegate) {
6957 if (!(t->attrs & PARAM_ATTRIBUTE_OUT)) {
6958 char *msg = g_strdup_printf ("Byref marshalling of delegates is not implemented.");
6959 mono_mb_emit_exception_marshal_directive (mb, msg);
6961 mono_mb_emit_byte (mb, CEE_LDNULL);
6962 mono_mb_emit_stloc (mb, conv_arg);
6964 mono_mb_emit_ldarg (mb, argnum);
6965 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_DEL_FTN));
6966 mono_mb_emit_stloc (mb, conv_arg);
6968 } else if (klass == mono_defaults.stringbuilder_class) {
6969 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
6970 MonoMarshalConv conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
6974 if (!(t->attrs & PARAM_ATTRIBUTE_OUT)) {
6975 char *msg = g_strdup_printf ("Byref marshalling of stringbuilders is not implemented.");
6976 mono_mb_emit_exception_marshal_directive (mb, msg);
6982 if (t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && (t->attrs & PARAM_ATTRIBUTE_OUT))
6986 char *msg = g_strdup_printf ("stringbuilder marshalling conversion %d not implemented", encoding);
6987 mono_mb_emit_exception_marshal_directive (mb, msg);
6991 mono_mb_emit_ldarg (mb, argnum);
6993 mono_mb_emit_byte (mb, CEE_LDIND_I);
6995 mono_mb_emit_icall (mb, conv_to_icall (conv));
6996 mono_mb_emit_stloc (mb, conv_arg);
6997 } else if (klass->blittable) {
6998 mono_mb_emit_byte (mb, CEE_LDNULL);
6999 mono_mb_emit_stloc (mb, conv_arg);
7001 mono_mb_emit_ldarg (mb, argnum);
7002 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
7004 mono_mb_emit_ldarg (mb, argnum);
7005 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
7006 mono_mb_emit_stloc (mb, conv_arg);
7008 mono_mb_patch_branch (mb, pos);
7011 mono_mb_emit_byte (mb, CEE_LDNULL);
7012 mono_mb_emit_stloc (mb, conv_arg);
7015 /* we dont need any conversions for out parameters */
7016 if (t->attrs & PARAM_ATTRIBUTE_OUT)
7019 mono_mb_emit_ldarg (mb, argnum);
7020 mono_mb_emit_byte (mb, CEE_LDIND_I);
7023 mono_mb_emit_ldarg (mb, argnum);
7024 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
7025 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
7028 /* store the address of the source into local variable 0 */
7029 mono_mb_emit_stloc (mb, 0);
7030 mono_mb_emit_ldloc (mb, 0);
7031 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
7033 /* allocate space for the native struct and store the address */
7034 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
7035 mono_mb_emit_byte (mb, CEE_PREFIX1);
7036 mono_mb_emit_byte (mb, CEE_LOCALLOC);
7037 mono_mb_emit_stloc (mb, conv_arg);
7040 /* Need to store the original buffer so we can free it later */
7041 m->orig_conv_args [argnum] = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7042 mono_mb_emit_ldloc (mb, conv_arg);
7043 mono_mb_emit_stloc (mb, m->orig_conv_args [argnum]);
7046 /* set the src_ptr */
7047 mono_mb_emit_ldloc (mb, 0);
7048 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
7049 mono_mb_emit_stloc (mb, 0);
7052 mono_mb_emit_ldloc (mb, conv_arg);
7053 mono_mb_emit_stloc (mb, 1);
7055 /* emit valuetype conversion code */
7056 emit_struct_conv (mb, klass, FALSE);
7058 mono_mb_patch_branch (mb, pos);
7062 case MARSHAL_ACTION_CONV_OUT:
7063 if (klass == mono_defaults.stringbuilder_class) {
7065 MonoMarshalNative encoding;
7066 MonoMarshalConv conv;
7068 encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
7069 conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free);
7071 g_assert (encoding != -1);
7074 //g_assert (!(t->attrs & PARAM_ATTRIBUTE_OUT));
7078 mono_mb_emit_ldarg (mb, argnum);
7079 mono_mb_emit_ldloc (mb, conv_arg);
7082 case MONO_NATIVE_LPWSTR:
7083 mono_mb_emit_icall (mb, mono_string_utf16_to_builder2);
7085 case MONO_NATIVE_LPSTR:
7086 mono_mb_emit_icall (mb, mono_string_utf8_to_builder2);
7089 g_assert_not_reached ();
7092 mono_mb_emit_byte (mb, CEE_STIND_REF);
7094 mono_mb_emit_ldarg (mb, argnum);
7095 mono_mb_emit_ldloc (mb, conv_arg);
7097 mono_mb_emit_icall (mb, conv_to_icall (conv));
7101 mono_mb_emit_ldloc (mb, conv_arg);
7102 mono_mb_emit_icall (mb, mono_marshal_free);
7107 if (klass->delegate) {
7109 mono_mb_emit_ldarg (mb, argnum);
7110 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
7111 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
7112 mono_mb_emit_ldloc (mb, conv_arg);
7113 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_FTN_DEL));
7114 mono_mb_emit_byte (mb, CEE_STIND_REF);
7119 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT)) {
7120 /* allocate a new object */
7121 mono_mb_emit_ldarg (mb, argnum);
7122 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
7123 mono_mb_emit_op (mb, CEE_MONO_NEWOBJ, klass);
7124 mono_mb_emit_byte (mb, CEE_STIND_REF);
7127 /* dst = *argument */
7128 mono_mb_emit_ldarg (mb, argnum);
7131 mono_mb_emit_byte (mb, CEE_LDIND_I);
7133 mono_mb_emit_stloc (mb, 1);
7135 mono_mb_emit_ldloc (mb, 1);
7136 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
7138 if (t->byref || (t->attrs & PARAM_ATTRIBUTE_OUT)) {
7139 mono_mb_emit_ldloc (mb, 1);
7140 mono_mb_emit_icon (mb, sizeof (MonoObject));
7141 mono_mb_emit_byte (mb, CEE_ADD);
7142 mono_mb_emit_stloc (mb, 1);
7144 /* src = tmp_locals [i] */
7145 mono_mb_emit_ldloc (mb, conv_arg);
7146 mono_mb_emit_stloc (mb, 0);
7148 /* emit valuetype conversion code */
7149 emit_struct_conv (mb, klass, TRUE);
7151 /* Free the structure returned by the native code */
7152 emit_struct_free (mb, klass, conv_arg);
7154 if (m->orig_conv_args [argnum]) {
7156 * If the native function changed the pointer, then free
7157 * the original structure plus the new pointer.
7159 mono_mb_emit_ldloc (mb, m->orig_conv_args [argnum]);
7160 mono_mb_emit_ldloc (mb, conv_arg);
7161 pos2 = mono_mb_emit_branch (mb, CEE_BEQ);
7163 if (!(t->attrs & PARAM_ATTRIBUTE_OUT)) {
7164 g_assert (m->orig_conv_args [argnum]);
7166 emit_struct_free (mb, klass, m->orig_conv_args [argnum]);
7169 mono_mb_emit_ldloc (mb, conv_arg);
7170 mono_mb_emit_icall (mb, mono_marshal_free);
7172 mono_mb_patch_branch (mb, pos2);
7176 /* Free the original structure passed to native code */
7177 emit_struct_free (mb, klass, conv_arg);
7179 mono_mb_patch_branch (mb, pos);
7182 case MARSHAL_ACTION_PUSH:
7184 mono_mb_emit_ldloc_addr (mb, conv_arg);
7186 mono_mb_emit_ldloc (mb, conv_arg);
7189 case MARSHAL_ACTION_CONV_RESULT:
7190 if (klass->delegate) {
7191 g_assert (!t->byref);
7192 mono_mb_emit_stloc (mb, 0);
7193 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
7194 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
7195 mono_mb_emit_ldloc (mb, 0);
7196 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_FTN_DEL));
7197 mono_mb_emit_stloc (mb, 3);
7200 mono_mb_emit_stloc (mb, 0);
7202 /* Make a copy since emit_conv modifies local 0 */
7203 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7204 mono_mb_emit_ldloc (mb, 0);
7205 mono_mb_emit_stloc (mb, loc);
7207 mono_mb_emit_byte (mb, CEE_LDNULL);
7208 mono_mb_emit_stloc (mb, 3);
7210 mono_mb_emit_ldloc (mb, 0);
7211 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
7213 /* allocate result object */
7215 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
7216 mono_mb_emit_op (mb, CEE_MONO_NEWOBJ, klass);
7217 mono_mb_emit_stloc (mb, 3);
7221 mono_mb_emit_ldloc (mb, 3);
7222 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
7223 mono_mb_emit_stloc (mb, 1);
7225 /* emit conversion code */
7226 emit_struct_conv (mb, klass, TRUE);
7228 emit_struct_free (mb, klass, loc);
7230 /* Free the pointer allocated by unmanaged code */
7231 mono_mb_emit_ldloc (mb, loc);
7232 mono_mb_emit_icall (mb, mono_marshal_free);
7233 mono_mb_patch_branch (mb, pos);
7237 case MARSHAL_ACTION_MANAGED_CONV_IN:
7238 conv_arg = mono_mb_add_local (mb, &klass->byval_arg);
7240 if (klass->delegate) {
7241 g_assert (!t->byref);
7242 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
7243 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
7244 mono_mb_emit_ldarg (mb, argnum);
7245 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_FTN_DEL));
7246 mono_mb_emit_stloc (mb, conv_arg);
7250 if (klass == mono_defaults.stringbuilder_class) {
7251 MonoMarshalNative encoding;
7253 encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
7256 g_assert (encoding == MONO_NATIVE_LPSTR);
7258 g_assert (!t->byref);
7259 g_assert (encoding != -1);
7261 mono_mb_emit_ldarg (mb, argnum);
7262 mono_mb_emit_icall (mb, mono_string_utf8_to_builder2);
7263 mono_mb_emit_stloc (mb, conv_arg);
7267 /* The class can not have an automatic layout */
7268 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
7269 mono_mb_emit_auto_layout_exception (mb, klass);
7273 if (t->attrs & PARAM_ATTRIBUTE_OUT) {
7274 mono_mb_emit_byte (mb, CEE_LDNULL);
7275 mono_mb_emit_stloc (mb, conv_arg);
7280 mono_mb_emit_ldarg (mb, argnum);
7284 /* Check for NULL and raise an exception */
7285 pos2 = mono_mb_emit_branch (mb, CEE_BRTRUE);
7287 mono_mb_emit_exception (mb, "ArgumentNullException", NULL);
7289 mono_mb_patch_branch (mb, pos2);
7290 mono_mb_emit_ldarg (mb, argnum);
7291 mono_mb_emit_byte (mb, CEE_LDIND_I);
7294 mono_mb_emit_stloc (mb, 0);
7296 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7297 mono_mb_emit_stloc (mb, conv_arg);
7299 mono_mb_emit_ldloc (mb, 0);
7300 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
7302 /* Create and set dst */
7303 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
7304 mono_mb_emit_op (mb, CEE_MONO_NEWOBJ, klass);
7305 mono_mb_emit_stloc (mb, conv_arg);
7306 mono_mb_emit_ldloc (mb, conv_arg);
7307 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
7308 mono_mb_emit_stloc (mb, 1);
7310 /* emit valuetype conversion code */
7311 emit_struct_conv (mb, klass, TRUE);
7313 mono_mb_patch_branch (mb, pos);
7316 case MARSHAL_ACTION_MANAGED_CONV_OUT:
7318 /* Check for null */
7319 mono_mb_emit_ldloc (mb, conv_arg);
7320 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
7321 mono_mb_emit_ldarg (mb, argnum);
7322 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7323 mono_mb_emit_byte (mb, CEE_STIND_REF);
7324 pos2 = mono_mb_emit_branch (mb, CEE_BR);
7326 mono_mb_patch_branch (mb, pos);
7329 mono_mb_emit_ldloc (mb, conv_arg);
7330 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
7331 mono_mb_emit_stloc (mb, 0);
7333 /* Allocate and set dest */
7334 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
7335 mono_mb_emit_byte (mb, CEE_CONV_I);
7336 mono_mb_emit_icall (mb, mono_marshal_alloc);
7337 mono_mb_emit_stloc (mb, 1);
7339 /* Update argument pointer */
7340 mono_mb_emit_ldarg (mb, argnum);
7341 mono_mb_emit_ldloc (mb, 1);
7342 mono_mb_emit_byte (mb, CEE_STIND_I);
7344 /* emit valuetype conversion code */
7345 emit_struct_conv (mb, klass, FALSE);
7347 mono_mb_patch_branch (mb, pos2);
7349 /* byval [Out] marshalling */
7351 /* FIXME: Handle null */
7354 mono_mb_emit_ldloc (mb, conv_arg);
7355 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
7356 mono_mb_emit_stloc (mb, 0);
7359 mono_mb_emit_ldarg (mb, argnum);
7360 mono_mb_emit_stloc (mb, 1);
7362 /* emit valuetype conversion code */
7363 emit_struct_conv (mb, klass, FALSE);
7367 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
7368 if (klass->delegate) {
7369 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_DEL_FTN));
7370 mono_mb_emit_stloc (mb, 3);
7374 /* The class can not have an automatic layout */
7375 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
7376 mono_mb_emit_auto_layout_exception (mb, klass);
7380 mono_mb_emit_stloc (mb, 0);
7381 /* Check for null */
7382 mono_mb_emit_ldloc (mb, 0);
7383 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
7384 mono_mb_emit_byte (mb, CEE_LDNULL);
7385 mono_mb_emit_stloc (mb, 3);
7386 pos2 = mono_mb_emit_branch (mb, CEE_BR);
7388 mono_mb_patch_branch (mb, pos);
7391 mono_mb_emit_ldloc (mb, 0);
7392 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
7393 mono_mb_emit_stloc (mb, 0);
7395 /* Allocate and set dest */
7396 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
7397 mono_mb_emit_byte (mb, CEE_CONV_I);
7398 mono_mb_emit_icall (mb, mono_marshal_alloc);
7399 mono_mb_emit_byte (mb, CEE_DUP);
7400 mono_mb_emit_stloc (mb, 1);
7401 mono_mb_emit_stloc (mb, 3);
7403 emit_struct_conv (mb, klass, FALSE);
7405 mono_mb_patch_branch (mb, pos2);
7409 g_assert_not_reached ();
7420 emit_marshal_variant (EmitMarshalContext *m, int argnum, MonoType *t,
7421 MonoMarshalSpec *spec,
7422 int conv_arg, MonoType **conv_arg_type,
7423 MarshalAction action)
7425 MonoMethodBuilder *mb = m->mb;
7426 static MonoMethod *get_object_for_native_variant = NULL;
7427 static MonoMethod *get_native_variant_for_object = NULL;
7429 if (!get_object_for_native_variant)
7430 get_object_for_native_variant = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetObjectForNativeVariant", 1);
7431 g_assert (get_object_for_native_variant);
7433 if (!get_native_variant_for_object)
7434 get_native_variant_for_object = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetNativeVariantForObject", 2);
7435 g_assert (get_native_variant_for_object);
7438 case MARSHAL_ACTION_CONV_IN: {
7439 conv_arg = mono_mb_add_local (mb, &mono_class_get_variant_class ()->byval_arg);
7442 *conv_arg_type = &mono_class_get_variant_class ()->this_arg;
7444 *conv_arg_type = &mono_class_get_variant_class ()->byval_arg;
7446 if (t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && t->attrs & PARAM_ATTRIBUTE_OUT)
7449 mono_mb_emit_ldarg (mb, argnum);
7451 mono_mb_emit_byte(mb, CEE_LDIND_REF);
7452 mono_mb_emit_ldloc_addr (mb, conv_arg);
7453 mono_mb_emit_managed_call (mb, get_native_variant_for_object, NULL);
7457 case MARSHAL_ACTION_CONV_OUT: {
7458 static MonoMethod *variant_clear = NULL;
7461 variant_clear = mono_class_get_method_from_name (mono_class_get_variant_class (), "Clear", 0);
7462 g_assert (variant_clear);
7465 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT || !(t->attrs & PARAM_ATTRIBUTE_IN))) {
7466 mono_mb_emit_ldarg (mb, argnum);
7467 mono_mb_emit_ldloc_addr (mb, conv_arg);
7468 mono_mb_emit_managed_call (mb, get_object_for_native_variant, NULL);
7469 mono_mb_emit_byte (mb, CEE_STIND_REF);
7472 mono_mb_emit_ldloc_addr (mb, conv_arg);
7473 mono_mb_emit_managed_call (mb, variant_clear, NULL);
7477 case MARSHAL_ACTION_PUSH:
7479 mono_mb_emit_ldloc_addr (mb, conv_arg);
7481 mono_mb_emit_ldloc (mb, conv_arg);
7484 case MARSHAL_ACTION_CONV_RESULT: {
7485 char *msg = g_strdup ("Marshalling of VARIANT not supported as a return type.");
7486 mono_mb_emit_exception_marshal_directive (mb, msg);
7490 case MARSHAL_ACTION_MANAGED_CONV_IN: {
7491 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
7494 *conv_arg_type = &mono_class_get_variant_class ()->this_arg;
7496 *conv_arg_type = &mono_class_get_variant_class ()->byval_arg;
7498 if (t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && t->attrs & PARAM_ATTRIBUTE_OUT)
7502 mono_mb_emit_ldarg (mb, argnum);
7504 mono_mb_emit_ldarg_addr (mb, argnum);
7505 mono_mb_emit_managed_call (mb, get_object_for_native_variant, NULL);
7506 mono_mb_emit_stloc (mb, conv_arg);
7510 case MARSHAL_ACTION_MANAGED_CONV_OUT: {
7511 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT || !(t->attrs & PARAM_ATTRIBUTE_IN))) {
7512 mono_mb_emit_ldloc (mb, conv_arg);
7513 mono_mb_emit_ldarg (mb, argnum);
7514 mono_mb_emit_managed_call (mb, get_native_variant_for_object, NULL);
7519 case MARSHAL_ACTION_MANAGED_CONV_RESULT: {
7520 char *msg = g_strdup ("Marshalling of VARIANT not supported as a return type.");
7521 mono_mb_emit_exception_marshal_directive (mb, msg);
7526 g_assert_not_reached ();
7532 #endif /* DISABLE_COM */
7533 #endif /* DISABLE_JIT */
7536 mono_pinvoke_is_unicode (MonoMethodPInvoke *piinfo)
7538 switch (piinfo->piflags & PINVOKE_ATTRIBUTE_CHAR_SET_MASK) {
7539 case PINVOKE_ATTRIBUTE_CHAR_SET_ANSI:
7541 case PINVOKE_ATTRIBUTE_CHAR_SET_UNICODE:
7543 case PINVOKE_ATTRIBUTE_CHAR_SET_AUTO:
7555 emit_marshal_array (EmitMarshalContext *m, int argnum, MonoType *t,
7556 MonoMarshalSpec *spec,
7557 int conv_arg, MonoType **conv_arg_type,
7558 MarshalAction action)
7562 case MARSHAL_ACTION_CONV_IN:
7563 *conv_arg_type = &mono_defaults.object_class->byval_arg;
7565 case MARSHAL_ACTION_MANAGED_CONV_IN:
7566 *conv_arg_type = &mono_defaults.int_class->byval_arg;
7570 MonoMethodBuilder *mb = m->mb;
7571 MonoClass *klass = mono_class_from_mono_type (t);
7572 gboolean need_convert, need_free;
7573 MonoMarshalNative encoding;
7575 encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
7578 case MARSHAL_ACTION_CONV_IN:
7579 *conv_arg_type = &mono_defaults.object_class->byval_arg;
7580 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
7582 if (klass->element_class->blittable) {
7583 mono_mb_emit_ldarg (mb, argnum);
7585 mono_mb_emit_byte (mb, CEE_LDIND_I);
7586 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_ARRAY_LPARRAY));
7587 mono_mb_emit_stloc (mb, conv_arg);
7590 guint32 label1, label2, label3;
7591 int index_var, src_var, dest_ptr, esize;
7592 MonoMarshalConv conv;
7593 gboolean is_string = FALSE;
7595 dest_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7597 eklass = klass->element_class;
7599 if (eklass == mono_defaults.string_class) {
7601 conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
7603 else if (eklass == mono_defaults.stringbuilder_class) {
7605 conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
7610 if (is_string && conv == -1) {
7611 char *msg = g_strdup_printf ("string/stringbuilder marshalling conversion %d not implemented", encoding);
7612 mono_mb_emit_exception_marshal_directive (mb, msg);
7616 src_var = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
7617 mono_mb_emit_ldarg (mb, argnum);
7619 mono_mb_emit_byte (mb, CEE_LDIND_I);
7620 mono_mb_emit_stloc (mb, src_var);
7623 mono_mb_emit_ldloc (mb, src_var);
7624 mono_mb_emit_stloc (mb, conv_arg);
7625 mono_mb_emit_ldloc (mb, src_var);
7626 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
7629 esize = sizeof (gpointer);
7630 else if (eklass == mono_defaults.char_class) /*can't call mono_marshal_type_size since it causes all sorts of asserts*/
7631 esize = mono_pinvoke_is_unicode (m->piinfo) ? 2 : 1;
7633 esize = mono_class_native_size (eklass, NULL);
7635 /* allocate space for the native struct and store the address */
7636 mono_mb_emit_icon (mb, esize);
7637 mono_mb_emit_ldloc (mb, src_var);
7638 mono_mb_emit_byte (mb, CEE_LDLEN);
7640 if (eklass == mono_defaults.string_class) {
7641 /* Make the array bigger for the terminating null */
7642 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
7643 mono_mb_emit_byte (mb, CEE_ADD);
7645 mono_mb_emit_byte (mb, CEE_MUL);
7646 mono_mb_emit_byte (mb, CEE_PREFIX1);
7647 mono_mb_emit_byte (mb, CEE_LOCALLOC);
7648 mono_mb_emit_stloc (mb, conv_arg);
7650 mono_mb_emit_ldloc (mb, conv_arg);
7651 mono_mb_emit_stloc (mb, dest_ptr);
7653 /* Emit marshalling loop */
7654 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7655 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7656 mono_mb_emit_stloc (mb, index_var);
7657 label2 = mono_mb_get_label (mb);
7658 mono_mb_emit_ldloc (mb, index_var);
7659 mono_mb_emit_ldloc (mb, src_var);
7660 mono_mb_emit_byte (mb, CEE_LDLEN);
7661 label3 = mono_mb_emit_branch (mb, CEE_BGE);
7663 /* Emit marshalling code */
7666 mono_mb_emit_ldloc (mb, dest_ptr);
7667 mono_mb_emit_ldloc (mb, src_var);
7668 mono_mb_emit_ldloc (mb, index_var);
7669 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
7670 mono_mb_emit_icall (mb, conv_to_icall (conv));
7671 mono_mb_emit_byte (mb, CEE_STIND_I);
7673 /* set the src_ptr */
7674 mono_mb_emit_ldloc (mb, src_var);
7675 mono_mb_emit_ldloc (mb, index_var);
7676 mono_mb_emit_op (mb, CEE_LDELEMA, eklass);
7677 mono_mb_emit_stloc (mb, 0);
7680 mono_mb_emit_ldloc (mb, dest_ptr);
7681 mono_mb_emit_stloc (mb, 1);
7683 /* emit valuetype conversion code */
7684 emit_struct_conv_full (mb, eklass, FALSE, eklass == mono_defaults.char_class ? encoding : -1);
7687 mono_mb_emit_add_to_local (mb, index_var, 1);
7688 mono_mb_emit_add_to_local (mb, dest_ptr, esize);
7690 mono_mb_emit_branch_label (mb, CEE_BR, label2);
7692 mono_mb_patch_branch (mb, label3);
7694 if (eklass == mono_defaults.string_class) {
7695 /* Null terminate */
7696 mono_mb_emit_ldloc (mb, dest_ptr);
7697 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7698 mono_mb_emit_byte (mb, CEE_STIND_REF);
7701 mono_mb_patch_branch (mb, label1);
7706 case MARSHAL_ACTION_CONV_OUT:
7707 /* Unicode character arrays are implicitly marshalled as [Out] under MS.NET */
7708 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);
7709 need_free = mono_marshal_need_free (&klass->element_class->byval_arg,
7712 if (need_convert || need_free) {
7713 /* FIXME: Optimize blittable case */
7715 guint32 label1, label2, label3;
7716 int index_var, src_ptr, loc, esize;
7718 eklass = klass->element_class;
7719 if ((eklass == mono_defaults.stringbuilder_class) || (eklass == mono_defaults.string_class))
7720 esize = sizeof (gpointer);
7721 else if (eklass == mono_defaults.char_class)
7722 esize = mono_pinvoke_is_unicode (m->piinfo) ? 2 : 1;
7724 esize = mono_class_native_size (eklass, NULL);
7725 src_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7726 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7729 mono_mb_emit_ldarg (mb, argnum);
7731 mono_mb_emit_byte (mb, CEE_LDIND_I);
7732 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
7734 mono_mb_emit_ldloc (mb, conv_arg);
7735 mono_mb_emit_stloc (mb, src_ptr);
7737 /* Emit marshalling loop */
7738 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7739 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7740 mono_mb_emit_stloc (mb, index_var);
7741 label2 = mono_mb_get_label (mb);
7742 mono_mb_emit_ldloc (mb, index_var);
7743 mono_mb_emit_ldarg (mb, argnum);
7745 mono_mb_emit_byte (mb, CEE_LDIND_REF);
7746 mono_mb_emit_byte (mb, CEE_LDLEN);
7747 label3 = mono_mb_emit_branch (mb, CEE_BGE);
7749 /* Emit marshalling code */
7751 if (eklass == mono_defaults.stringbuilder_class) {
7752 gboolean need_free2;
7753 MonoMarshalConv conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free2);
7755 g_assert (conv != -1);
7758 mono_mb_emit_ldarg (mb, argnum);
7760 mono_mb_emit_byte (mb, CEE_LDIND_I);
7761 mono_mb_emit_ldloc (mb, index_var);
7762 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
7765 mono_mb_emit_ldloc (mb, src_ptr);
7766 mono_mb_emit_byte (mb, CEE_LDIND_I);
7768 mono_mb_emit_icall (mb, conv_to_icall (conv));
7772 mono_mb_emit_ldloc (mb, src_ptr);
7773 mono_mb_emit_byte (mb, CEE_LDIND_I);
7775 mono_mb_emit_icall (mb, mono_marshal_free);
7778 else if (eklass == mono_defaults.string_class) {
7781 mono_mb_emit_ldloc (mb, src_ptr);
7782 mono_mb_emit_byte (mb, CEE_LDIND_I);
7784 mono_mb_emit_icall (mb, mono_marshal_free);
7789 /* set the src_ptr */
7790 mono_mb_emit_ldloc (mb, src_ptr);
7791 mono_mb_emit_stloc (mb, 0);
7794 mono_mb_emit_ldarg (mb, argnum);
7796 mono_mb_emit_byte (mb, CEE_LDIND_REF);
7797 mono_mb_emit_ldloc (mb, index_var);
7798 mono_mb_emit_op (mb, CEE_LDELEMA, eklass);
7799 mono_mb_emit_stloc (mb, 1);
7801 /* emit valuetype conversion code */
7802 emit_struct_conv_full (mb, eklass, TRUE, eklass == mono_defaults.char_class ? encoding : -1);
7806 mono_mb_emit_ldloc (mb, src_ptr);
7807 mono_mb_emit_stloc (mb, loc);
7808 mono_mb_emit_ldloc (mb, loc);
7810 emit_struct_free (mb, eklass, loc);
7814 mono_mb_emit_add_to_local (mb, index_var, 1);
7815 mono_mb_emit_add_to_local (mb, src_ptr, esize);
7817 mono_mb_emit_branch_label (mb, CEE_BR, label2);
7819 mono_mb_patch_branch (mb, label1);
7820 mono_mb_patch_branch (mb, label3);
7823 if (klass->element_class->blittable) {
7824 /* free memory allocated (if any) by MONO_MARSHAL_CONV_ARRAY_LPARRAY */
7826 mono_mb_emit_ldarg (mb, argnum);
7827 mono_mb_emit_ldloc (mb, conv_arg);
7828 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_FREE_LPARRAY));
7833 case MARSHAL_ACTION_PUSH:
7835 mono_mb_emit_ldloc_addr (mb, conv_arg);
7837 mono_mb_emit_ldloc (mb, conv_arg);
7840 case MARSHAL_ACTION_CONV_RESULT:
7841 /* fixme: we need conversions here */
7842 mono_mb_emit_stloc (mb, 3);
7845 case MARSHAL_ACTION_MANAGED_CONV_IN: {
7847 guint32 label1, label2, label3;
7848 int index_var, src_ptr, loc, esize, param_num, num_elem;
7849 MonoMarshalConv conv;
7850 gboolean is_string = FALSE;
7852 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
7853 *conv_arg_type = &mono_defaults.int_class->byval_arg;
7856 char *msg = g_strdup ("Byref array marshalling to managed code is not implemented.");
7857 mono_mb_emit_exception_marshal_directive (mb, msg);
7861 char *msg = g_strdup ("[MarshalAs] attribute required to marshal arrays to managed code.");
7862 mono_mb_emit_exception_marshal_directive (mb, msg);
7865 if (spec->native != MONO_NATIVE_LPARRAY) {
7866 char *msg = g_strdup ("Non LPArray marshalling of arrays to managed code is not implemented.");
7867 mono_mb_emit_exception_marshal_directive (mb, msg);
7871 /* FIXME: t is from the method which is wrapped, not the delegate type */
7872 /* g_assert (t->attrs & PARAM_ATTRIBUTE_IN); */
7874 param_num = spec->data.array_data.param_num;
7875 num_elem = spec->data.array_data.num_elem;
7876 if (spec->data.array_data.elem_mult == 0)
7877 /* param_num is not specified */
7880 if (param_num == -1) {
7881 if (num_elem <= 0) {
7882 char *msg = g_strdup ("Either SizeConst or SizeParamIndex should be specified when marshalling arrays to managed code.");
7883 mono_mb_emit_exception_marshal_directive (mb, msg);
7888 /* FIXME: Optimize blittable case */
7890 eklass = klass->element_class;
7891 if (eklass == mono_defaults.string_class) {
7893 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
7895 else if (eklass == mono_defaults.stringbuilder_class) {
7897 conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free);
7902 mono_marshal_load_type_info (eklass);
7905 esize = sizeof (gpointer);
7907 esize = mono_class_native_size (eklass, NULL);
7908 src_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7909 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7911 mono_mb_emit_byte (mb, CEE_LDNULL);
7912 mono_mb_emit_stloc (mb, conv_arg);
7914 /* Check param index */
7915 if (param_num != -1) {
7916 if (param_num >= m->sig->param_count) {
7917 char *msg = g_strdup ("Array size control parameter index is out of range.");
7918 mono_mb_emit_exception_marshal_directive (mb, msg);
7921 switch (m->sig->params [param_num]->type) {
7934 char *msg = g_strdup ("Array size control parameter must be an integral type.");
7935 mono_mb_emit_exception_marshal_directive (mb, msg);
7942 mono_mb_emit_ldarg (mb, argnum);
7943 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
7945 mono_mb_emit_ldarg (mb, argnum);
7946 mono_mb_emit_stloc (mb, src_ptr);
7948 /* Create managed array */
7950 * The LPArray marshalling spec says that sometimes param_num starts
7951 * from 1, sometimes it starts from 0. But MS seems to allways start
7955 if (param_num == -1) {
7956 mono_mb_emit_icon (mb, num_elem);
7958 mono_mb_emit_ldarg (mb, param_num);
7960 mono_mb_emit_icon (mb, num_elem);
7961 mono_mb_emit_byte (mb, CEE_ADD);
7963 mono_mb_emit_byte (mb, CEE_CONV_OVF_I);
7966 mono_mb_emit_op (mb, CEE_NEWARR, eklass);
7967 mono_mb_emit_stloc (mb, conv_arg);
7969 if (eklass->blittable) {
7970 mono_mb_emit_ldloc (mb, conv_arg);
7971 mono_mb_emit_byte (mb, CEE_CONV_I);
7972 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArray, vector));
7973 mono_mb_emit_byte (mb, CEE_ADD);
7974 mono_mb_emit_ldarg (mb, argnum);
7975 mono_mb_emit_ldloc (mb, conv_arg);
7976 mono_mb_emit_byte (mb, CEE_LDLEN);
7977 mono_mb_emit_icon (mb, esize);
7978 mono_mb_emit_byte (mb, CEE_MUL);
7979 mono_mb_emit_byte (mb, CEE_PREFIX1);
7980 mono_mb_emit_byte (mb, CEE_CPBLK);
7984 /* Emit marshalling loop */
7985 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7986 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7987 mono_mb_emit_stloc (mb, index_var);
7988 label2 = mono_mb_get_label (mb);
7989 mono_mb_emit_ldloc (mb, index_var);
7990 mono_mb_emit_ldloc (mb, conv_arg);
7991 mono_mb_emit_byte (mb, CEE_LDLEN);
7992 label3 = mono_mb_emit_branch (mb, CEE_BGE);
7994 /* Emit marshalling code */
7996 g_assert (conv != -1);
7998 mono_mb_emit_ldloc (mb, conv_arg);
7999 mono_mb_emit_ldloc (mb, index_var);
8001 mono_mb_emit_ldloc (mb, src_ptr);
8002 mono_mb_emit_byte (mb, CEE_LDIND_I);
8004 mono_mb_emit_icall (mb, conv_to_icall (conv));
8005 mono_mb_emit_byte (mb, CEE_STELEM_REF);
8008 char *msg = g_strdup ("Marshalling of non-string and non-blittable arrays to managed code is not implemented.");
8009 mono_mb_emit_exception_marshal_directive (mb, msg);
8013 mono_mb_emit_add_to_local (mb, index_var, 1);
8014 mono_mb_emit_add_to_local (mb, src_ptr, esize);
8016 mono_mb_emit_branch_label (mb, CEE_BR, label2);
8018 mono_mb_patch_branch (mb, label1);
8019 mono_mb_patch_branch (mb, label3);
8023 case MARSHAL_ACTION_MANAGED_CONV_OUT: {
8025 guint32 label1, label2, label3;
8026 int index_var, dest_ptr, loc, esize, param_num, num_elem;
8027 MonoMarshalConv conv;
8028 gboolean is_string = FALSE;
8031 /* Already handled in CONV_IN */
8034 /* These are already checked in CONV_IN */
8035 g_assert (!t->byref);
8036 g_assert (spec->native == MONO_NATIVE_LPARRAY);
8037 g_assert (t->attrs & PARAM_ATTRIBUTE_OUT);
8039 param_num = spec->data.array_data.param_num;
8040 num_elem = spec->data.array_data.num_elem;
8042 if (spec->data.array_data.elem_mult == 0)
8043 /* param_num is not specified */
8046 if (param_num == -1) {
8047 if (num_elem <= 0) {
8048 g_assert_not_reached ();
8052 /* FIXME: Optimize blittable case */
8054 eklass = klass->element_class;
8055 if (eklass == mono_defaults.string_class) {
8057 conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
8059 else if (eklass == mono_defaults.stringbuilder_class) {
8061 conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
8066 mono_marshal_load_type_info (eklass);
8069 esize = sizeof (gpointer);
8071 esize = mono_class_native_size (eklass, NULL);
8073 dest_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8074 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8077 mono_mb_emit_ldloc (mb, conv_arg);
8078 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
8080 mono_mb_emit_ldarg (mb, argnum);
8081 mono_mb_emit_stloc (mb, dest_ptr);
8083 if (eklass->blittable) {
8085 mono_mb_emit_ldarg (mb, argnum);
8087 mono_mb_emit_ldloc (mb, conv_arg);
8088 mono_mb_emit_byte (mb, CEE_CONV_I);
8089 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArray, vector));
8090 mono_mb_emit_byte (mb, CEE_ADD);
8092 mono_mb_emit_ldloc (mb, conv_arg);
8093 mono_mb_emit_byte (mb, CEE_LDLEN);
8094 mono_mb_emit_icon (mb, esize);
8095 mono_mb_emit_byte (mb, CEE_MUL);
8096 mono_mb_emit_byte (mb, CEE_PREFIX1);
8097 mono_mb_emit_byte (mb, CEE_CPBLK);
8101 /* Emit marshalling loop */
8102 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8103 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
8104 mono_mb_emit_stloc (mb, index_var);
8105 label2 = mono_mb_get_label (mb);
8106 mono_mb_emit_ldloc (mb, index_var);
8107 mono_mb_emit_ldloc (mb, conv_arg);
8108 mono_mb_emit_byte (mb, CEE_LDLEN);
8109 label3 = mono_mb_emit_branch (mb, CEE_BGE);
8111 /* Emit marshalling code */
8113 g_assert (conv != -1);
8116 mono_mb_emit_ldloc (mb, dest_ptr);
8119 mono_mb_emit_ldloc (mb, conv_arg);
8120 mono_mb_emit_ldloc (mb, index_var);
8122 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
8124 mono_mb_emit_icall (mb, conv_to_icall (conv));
8125 mono_mb_emit_byte (mb, CEE_STIND_I);
8128 char *msg = g_strdup ("Marshalling of non-string and non-blittable arrays to managed code is not implemented.");
8129 mono_mb_emit_exception_marshal_directive (mb, msg);
8133 mono_mb_emit_add_to_local (mb, index_var, 1);
8134 mono_mb_emit_add_to_local (mb, dest_ptr, esize);
8136 mono_mb_emit_branch_label (mb, CEE_BR, label2);
8138 mono_mb_patch_branch (mb, label1);
8139 mono_mb_patch_branch (mb, label3);
8143 case MARSHAL_ACTION_MANAGED_CONV_RESULT: {
8145 guint32 label1, label2, label3;
8146 int index_var, src, dest, esize;
8147 MonoMarshalConv conv = -1;
8148 gboolean is_string = FALSE;
8150 g_assert (!t->byref);
8152 eklass = klass->element_class;
8154 mono_marshal_load_type_info (eklass);
8156 if (eklass == mono_defaults.string_class) {
8158 conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
8161 g_assert_not_reached ();
8165 esize = sizeof (gpointer);
8166 else if (eklass == mono_defaults.char_class)
8167 esize = mono_pinvoke_is_unicode (m->piinfo) ? 2 : 1;
8169 esize = mono_class_native_size (eklass, NULL);
8171 src = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
8172 dest = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8174 mono_mb_emit_stloc (mb, src);
8175 mono_mb_emit_ldloc (mb, src);
8176 mono_mb_emit_stloc (mb, 3);
8178 /* Check for null */
8179 mono_mb_emit_ldloc (mb, src);
8180 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
8182 /* Allocate native array */
8183 mono_mb_emit_icon (mb, esize);
8184 mono_mb_emit_ldloc (mb, src);
8185 mono_mb_emit_byte (mb, CEE_LDLEN);
8187 if (eklass == mono_defaults.string_class) {
8188 /* Make the array bigger for the terminating null */
8189 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
8190 mono_mb_emit_byte (mb, CEE_ADD);
8192 mono_mb_emit_byte (mb, CEE_MUL);
8193 mono_mb_emit_icall (mb, mono_marshal_alloc);
8194 mono_mb_emit_stloc (mb, dest);
8195 mono_mb_emit_ldloc (mb, dest);
8196 mono_mb_emit_stloc (mb, 3);
8198 /* Emit marshalling loop */
8199 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8200 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
8201 mono_mb_emit_stloc (mb, index_var);
8202 label2 = mono_mb_get_label (mb);
8203 mono_mb_emit_ldloc (mb, index_var);
8204 mono_mb_emit_ldloc (mb, src);
8205 mono_mb_emit_byte (mb, CEE_LDLEN);
8206 label3 = mono_mb_emit_branch (mb, CEE_BGE);
8208 /* Emit marshalling code */
8210 g_assert (conv != -1);
8213 mono_mb_emit_ldloc (mb, dest);
8216 mono_mb_emit_ldloc (mb, src);
8217 mono_mb_emit_ldloc (mb, index_var);
8219 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
8221 mono_mb_emit_icall (mb, conv_to_icall (conv));
8222 mono_mb_emit_byte (mb, CEE_STIND_I);
8225 char *msg = g_strdup ("Marshalling of non-string arrays to managed code is not implemented.");
8226 mono_mb_emit_exception_marshal_directive (mb, msg);
8230 mono_mb_emit_add_to_local (mb, index_var, 1);
8231 mono_mb_emit_add_to_local (mb, dest, esize);
8233 mono_mb_emit_branch_label (mb, CEE_BR, label2);
8235 mono_mb_patch_branch (mb, label3);
8236 mono_mb_patch_branch (mb, label1);
8240 g_assert_not_reached ();
8247 marshal_boolean_conv_in_get_local_type (MonoMarshalSpec *spec, guint8 *ldc_op /*out*/)
8250 return &mono_defaults.int32_class->byval_arg;
8252 switch (spec->native) {
8253 case MONO_NATIVE_I1:
8254 case MONO_NATIVE_U1:
8255 return &mono_defaults.byte_class->byval_arg;
8256 case MONO_NATIVE_VARIANTBOOL:
8257 if (ldc_op) *ldc_op = CEE_LDC_I4_M1;
8258 return &mono_defaults.int16_class->byval_arg;
8259 case MONO_NATIVE_BOOLEAN:
8260 return &mono_defaults.int32_class->byval_arg;
8262 g_warning ("marshalling bool as native type %x is currently not supported", spec->native);
8263 return &mono_defaults.int32_class->byval_arg;
8269 marshal_boolean_managed_conv_in_get_conv_arg_class (MonoMarshalSpec *spec, guint8 *ldop/*out*/)
8271 MonoClass* conv_arg_class = mono_defaults.int32_class;
8273 switch (spec->native) {
8274 case MONO_NATIVE_I1:
8275 case MONO_NATIVE_U1:
8276 conv_arg_class = mono_defaults.byte_class;
8277 if (ldop) *ldop = CEE_LDIND_I1;
8279 case MONO_NATIVE_VARIANTBOOL:
8280 conv_arg_class = mono_defaults.int16_class;
8281 if (ldop) *ldop = CEE_LDIND_I2;
8283 case MONO_NATIVE_BOOLEAN:
8286 g_warning ("marshalling bool as native type %x is currently not supported", spec->native);
8289 return conv_arg_class;
8293 emit_marshal_boolean (EmitMarshalContext *m, int argnum, MonoType *t,
8294 MonoMarshalSpec *spec,
8295 int conv_arg, MonoType **conv_arg_type,
8296 MarshalAction action)
8300 case MARSHAL_ACTION_CONV_IN:
8302 *conv_arg_type = &mono_defaults.int_class->byval_arg;
8304 *conv_arg_type = marshal_boolean_conv_in_get_local_type (spec, NULL);
8307 case MARSHAL_ACTION_MANAGED_CONV_IN: {
8308 MonoClass* conv_arg_class = marshal_boolean_managed_conv_in_get_conv_arg_class (spec, NULL);
8310 *conv_arg_type = &conv_arg_class->this_arg;
8312 *conv_arg_type = &conv_arg_class->byval_arg;
8318 MonoMethodBuilder *mb = m->mb;
8321 case MARSHAL_ACTION_CONV_IN: {
8322 MonoType *local_type;
8324 guint8 ldc_op = CEE_LDC_I4_1;
8326 local_type = marshal_boolean_conv_in_get_local_type (spec, &ldc_op);
8328 *conv_arg_type = &mono_defaults.int_class->byval_arg;
8330 *conv_arg_type = local_type;
8331 conv_arg = mono_mb_add_local (mb, local_type);
8333 mono_mb_emit_ldarg (mb, argnum);
8335 mono_mb_emit_byte (mb, CEE_LDIND_I1);
8336 label_false = mono_mb_emit_branch (mb, CEE_BRFALSE);
8337 mono_mb_emit_byte (mb, ldc_op);
8338 mono_mb_emit_stloc (mb, conv_arg);
8339 mono_mb_patch_branch (mb, label_false);
8344 case MARSHAL_ACTION_CONV_OUT:
8346 int label_false, label_end;
8350 mono_mb_emit_ldarg (mb, argnum);
8351 mono_mb_emit_ldloc (mb, conv_arg);
8353 label_false = mono_mb_emit_branch (mb, CEE_BRFALSE);
8354 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
8356 label_end = mono_mb_emit_branch (mb, CEE_BR);
8357 mono_mb_patch_branch (mb, label_false);
8358 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
8359 mono_mb_patch_branch (mb, label_end);
8361 mono_mb_emit_byte (mb, CEE_STIND_I1);
8365 case MARSHAL_ACTION_PUSH:
8367 mono_mb_emit_ldloc_addr (mb, conv_arg);
8369 mono_mb_emit_ldloc (mb, conv_arg);
8371 mono_mb_emit_ldarg (mb, argnum);
8374 case MARSHAL_ACTION_CONV_RESULT:
8375 /* maybe we need to make sure that it fits within 8 bits */
8376 mono_mb_emit_stloc (mb, 3);
8379 case MARSHAL_ACTION_MANAGED_CONV_IN: {
8380 MonoClass* conv_arg_class = mono_defaults.int32_class;
8381 guint8 ldop = CEE_LDIND_I4;
8382 int label_null, label_false;
8384 conv_arg_class = marshal_boolean_managed_conv_in_get_conv_arg_class (spec, &ldop);
8385 conv_arg = mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
8388 *conv_arg_type = &conv_arg_class->this_arg;
8390 *conv_arg_type = &conv_arg_class->byval_arg;
8393 mono_mb_emit_ldarg (mb, argnum);
8397 label_null = mono_mb_emit_branch (mb, CEE_BRFALSE);
8398 mono_mb_emit_ldarg (mb, argnum);
8399 mono_mb_emit_byte (mb, ldop);
8403 label_false = mono_mb_emit_branch (mb, CEE_BRFALSE);
8404 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
8405 mono_mb_emit_stloc (mb, conv_arg);
8406 mono_mb_patch_branch (mb, label_false);
8409 mono_mb_patch_branch (mb, label_null);
8413 case MARSHAL_ACTION_MANAGED_CONV_OUT: {
8414 guint8 stop = CEE_STIND_I4;
8415 guint8 ldc_op = CEE_LDC_I4_1;
8416 int label_null,label_false, label_end;;
8421 switch (spec->native) {
8422 case MONO_NATIVE_I1:
8423 case MONO_NATIVE_U1:
8424 stop = CEE_STIND_I1;
8426 case MONO_NATIVE_VARIANTBOOL:
8427 stop = CEE_STIND_I2;
8428 ldc_op = CEE_LDC_I4_M1;
8436 mono_mb_emit_ldarg (mb, argnum);
8437 label_null = mono_mb_emit_branch (mb, CEE_BRFALSE);
8439 mono_mb_emit_ldarg (mb, argnum);
8440 mono_mb_emit_ldloc (mb, conv_arg);
8442 label_false = mono_mb_emit_branch (mb, CEE_BRFALSE);
8443 mono_mb_emit_byte (mb, ldc_op);
8444 label_end = mono_mb_emit_branch (mb, CEE_BR);
8446 mono_mb_patch_branch (mb, label_false);
8447 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
8448 mono_mb_patch_branch (mb, label_end);
8450 mono_mb_emit_byte (mb, stop);
8451 mono_mb_patch_branch (mb, label_null);
8456 g_assert_not_reached ();
8463 emit_marshal_ptr (EmitMarshalContext *m, int argnum, MonoType *t,
8464 MonoMarshalSpec *spec, int conv_arg,
8465 MonoType **conv_arg_type, MarshalAction action)
8468 MonoMethodBuilder *mb = m->mb;
8471 case MARSHAL_ACTION_CONV_IN:
8472 /* MS seems to allow this in some cases, ie. bxc #158 */
8474 if (MONO_TYPE_ISSTRUCT (t->data.type) && !mono_class_from_mono_type (t->data.type)->blittable) {
8475 char *msg = g_strdup_printf ("Can not marshal 'parameter #%d': Pointers can not reference marshaled structures. Use byref instead.", argnum + 1);
8476 mono_mb_emit_exception_marshal_directive (m->mb, msg);
8481 case MARSHAL_ACTION_PUSH:
8482 mono_mb_emit_ldarg (mb, argnum);
8485 case MARSHAL_ACTION_CONV_RESULT:
8486 /* no conversions necessary */
8487 mono_mb_emit_stloc (mb, 3);
8498 emit_marshal_char (EmitMarshalContext *m, int argnum, MonoType *t,
8499 MonoMarshalSpec *spec, int conv_arg,
8500 MonoType **conv_arg_type, MarshalAction action)
8503 MonoMethodBuilder *mb = m->mb;
8506 case MARSHAL_ACTION_PUSH:
8507 /* fixme: dont know how to marshal that. We cant simply
8508 * convert it to a one byte UTF8 character, because an
8509 * unicode character may need more that one byte in UTF8 */
8510 mono_mb_emit_ldarg (mb, argnum);
8513 case MARSHAL_ACTION_CONV_RESULT:
8514 /* fixme: we need conversions here */
8515 mono_mb_emit_stloc (mb, 3);
8526 emit_marshal_scalar (EmitMarshalContext *m, int argnum, MonoType *t,
8527 MonoMarshalSpec *spec, int conv_arg,
8528 MonoType **conv_arg_type, MarshalAction action)
8531 MonoMethodBuilder *mb = m->mb;
8534 case MARSHAL_ACTION_PUSH:
8535 mono_mb_emit_ldarg (mb, argnum);
8538 case MARSHAL_ACTION_CONV_RESULT:
8539 /* no conversions necessary */
8540 mono_mb_emit_stloc (mb, 3);
8551 emit_marshal (EmitMarshalContext *m, int argnum, MonoType *t,
8552 MonoMarshalSpec *spec, int conv_arg,
8553 MonoType **conv_arg_type, MarshalAction action)
8555 /* Ensure that we have marshalling info for this param */
8556 mono_marshal_load_type_info (mono_class_from_mono_type (t));
8558 if (spec && spec->native == MONO_NATIVE_CUSTOM)
8559 return emit_marshal_custom (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8561 if (spec && spec->native == MONO_NATIVE_ASANY)
8562 return emit_marshal_asany (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8565 case MONO_TYPE_VALUETYPE:
8566 if (t->data.klass == mono_defaults.handleref_class)
8567 return emit_marshal_handleref (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8569 return emit_marshal_vtype (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8570 case MONO_TYPE_STRING:
8571 return emit_marshal_string (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8572 case MONO_TYPE_CLASS:
8573 case MONO_TYPE_OBJECT:
8575 if (spec && spec->native == MONO_NATIVE_STRUCT)
8576 return emit_marshal_variant (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8578 if (spec && (spec->native == MONO_NATIVE_IUNKNOWN ||
8579 spec->native == MONO_NATIVE_IDISPATCH ||
8580 spec->native == MONO_NATIVE_INTERFACE))
8581 return mono_cominterop_emit_marshal_com_interface (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8582 if (spec && (spec->native == MONO_NATIVE_SAFEARRAY) &&
8583 (spec->data.safearray_data.elem_type == MONO_VARIANT_VARIANT) &&
8584 ((action == MARSHAL_ACTION_CONV_OUT) || (action == MARSHAL_ACTION_CONV_IN) || (action == MARSHAL_ACTION_PUSH)))
8585 return mono_cominterop_emit_marshal_safearray (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8588 if (mono_defaults.safehandle_class != NULL && t->data.klass &&
8589 mono_class_is_subclass_of (t->data.klass, mono_defaults.safehandle_class, FALSE))
8590 return emit_marshal_safehandle (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8592 return emit_marshal_object (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8593 case MONO_TYPE_ARRAY:
8594 case MONO_TYPE_SZARRAY:
8595 return emit_marshal_array (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8596 case MONO_TYPE_BOOLEAN:
8597 return emit_marshal_boolean (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8599 return emit_marshal_ptr (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8600 case MONO_TYPE_CHAR:
8601 return emit_marshal_char (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8614 case MONO_TYPE_FNPTR:
8615 return emit_marshal_scalar (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8616 case MONO_TYPE_GENERICINST:
8617 if (mono_type_generic_inst_is_valuetype (t))
8618 return emit_marshal_vtype (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8620 return emit_marshal_object (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8627 * mono_marshal_emit_native_wrapper:
8628 * @image: the image to use for looking up custom marshallers
8629 * @sig: The signature of the native function
8630 * @piinfo: Marshalling information
8631 * @mspecs: Marshalling information
8632 * @aot: whenever the created method will be compiled by the AOT compiler
8633 * @method: if non-NULL, the pinvoke method to call
8634 * @check_exceptions: Whenever to check for pending exceptions after the native call
8635 * @func_param: the function to call is passed as a boxed IntPtr as the first parameter
8637 * generates IL code for the pinvoke wrapper, the generated code calls @func.
8640 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)
8642 EmitMarshalContext m;
8643 MonoMethodSignature *csig;
8645 int i, argnum, *tmp_locals;
8646 int type, param_shift = 0;
8647 static MonoMethodSignature *get_last_error_sig = NULL;
8652 /* we copy the signature, so that we can set pinvoke to 0 */
8654 /* The function address is passed as the first argument */
8655 g_assert (!sig->hasthis);
8658 csig = signature_dup (mb->method->klass->image, sig);
8666 /* we allocate local for use with emit_struct_conv() */
8667 /* allocate local 0 (pointer) src_ptr */
8668 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8669 /* allocate local 1 (pointer) dst_ptr */
8670 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8671 /* allocate local 2 (boolean) delete_old */
8672 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
8674 /* delete_old = FALSE */
8675 mono_mb_emit_icon (mb, 0);
8676 mono_mb_emit_stloc (mb, 2);
8678 if (!MONO_TYPE_IS_VOID(sig->ret)) {
8679 /* allocate local 3 to store the return value */
8680 mono_mb_add_local (mb, sig->ret);
8683 if (mspecs [0] && mspecs [0]->native == MONO_NATIVE_CUSTOM) {
8684 /* Return type custom marshaling */
8686 * Since we can't determine the return type of the unmanaged function,
8687 * we assume it returns a pointer, and pass that pointer to
8688 * MarshalNativeToManaged.
8690 csig->ret = &mono_defaults.int_class->byval_arg;
8693 /* we first do all conversions */
8694 tmp_locals = alloca (sizeof (int) * sig->param_count);
8695 m.orig_conv_args = alloca (sizeof (int) * (sig->param_count + 1));
8697 for (i = 0; i < sig->param_count; i ++) {
8698 tmp_locals [i] = emit_marshal (&m, i + param_shift, sig->params [i], mspecs [i + 1], 0, &csig->params [i], MARSHAL_ACTION_CONV_IN);
8701 /* push all arguments */
8704 mono_mb_emit_byte (mb, CEE_LDARG_0);
8706 for (i = 0; i < sig->param_count; i++) {
8707 emit_marshal (&m, i + param_shift, sig->params [i], mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_PUSH);
8710 /* call the native method */
8712 mono_mb_emit_byte (mb, CEE_LDARG_0);
8713 mono_mb_emit_op (mb, CEE_UNBOX, mono_defaults.int_class);
8714 mono_mb_emit_byte (mb, CEE_LDIND_I);
8715 mono_mb_emit_calli (mb, csig);
8716 } else if (MONO_CLASS_IS_IMPORT (mb->method->klass)) {
8718 mono_mb_emit_cominterop_call (mb, csig, &piinfo->method);
8720 g_assert_not_reached ();
8725 /* Reuse the ICALL_ADDR opcode for pinvokes too */
8726 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
8727 mono_mb_emit_op (mb, CEE_MONO_ICALL_ADDR, &piinfo->method);
8728 mono_mb_emit_calli (mb, csig);
8730 mono_mb_emit_native_call (mb, csig, func);
8734 /* Set LastError if needed */
8735 if (piinfo->piflags & PINVOKE_ATTRIBUTE_SUPPORTS_LAST_ERROR) {
8736 if (!get_last_error_sig) {
8737 get_last_error_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
8738 get_last_error_sig->ret = &mono_defaults.int_class->byval_arg;
8739 get_last_error_sig->pinvoke = 1;
8744 * Have to call GetLastError () early and without a wrapper, since various runtime components could
8745 * clobber its value.
8747 mono_mb_emit_native_call (mb, get_last_error_sig, GetLastError);
8748 mono_mb_emit_icall (mb, mono_marshal_set_last_error_windows);
8750 mono_mb_emit_icall (mb, mono_marshal_set_last_error);
8754 /* convert the result */
8755 if (!sig->ret->byref) {
8756 MonoMarshalSpec *spec = mspecs [0];
8757 type = sig->ret->type;
8759 if (spec && spec->native == MONO_NATIVE_CUSTOM) {
8760 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
8765 case MONO_TYPE_VOID:
8767 case MONO_TYPE_VALUETYPE:
8768 klass = sig->ret->data.klass;
8769 if (klass->enumtype) {
8770 type = mono_class_enum_basetype (sig->ret->data.klass)->type;
8773 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
8787 case MONO_TYPE_FNPTR:
8788 case MONO_TYPE_STRING:
8789 case MONO_TYPE_CLASS:
8790 case MONO_TYPE_OBJECT:
8791 case MONO_TYPE_BOOLEAN:
8792 case MONO_TYPE_ARRAY:
8793 case MONO_TYPE_SZARRAY:
8794 case MONO_TYPE_CHAR:
8796 case MONO_TYPE_GENERICINST:
8797 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
8799 case MONO_TYPE_TYPEDBYREF:
8801 g_warning ("return type 0x%02x unknown", sig->ret->type);
8802 g_assert_not_reached ();
8806 mono_mb_emit_stloc (mb, 3);
8810 * Need to call this after converting the result since MONO_VTADDR needs
8811 * to be adjacent to the call instruction.
8813 if (check_exceptions)
8814 emit_thread_interrupt_checkpoint (mb);
8816 /* we need to convert byref arguments back and free string arrays */
8817 for (i = 0; i < sig->param_count; i++) {
8818 MonoType *t = sig->params [i];
8819 MonoMarshalSpec *spec = mspecs [i + 1];
8821 argnum = i + param_shift;
8823 if (spec && ((spec->native == MONO_NATIVE_CUSTOM) || (spec->native == MONO_NATIVE_ASANY))) {
8824 emit_marshal (&m, argnum, t, spec, tmp_locals [i], NULL, MARSHAL_ACTION_CONV_OUT);
8829 case MONO_TYPE_STRING:
8830 case MONO_TYPE_VALUETYPE:
8831 case MONO_TYPE_CLASS:
8832 case MONO_TYPE_OBJECT:
8833 case MONO_TYPE_SZARRAY:
8834 case MONO_TYPE_BOOLEAN:
8835 emit_marshal (&m, argnum, t, spec, tmp_locals [i], NULL, MARSHAL_ACTION_CONV_OUT);
8840 if (!MONO_TYPE_IS_VOID(sig->ret))
8841 mono_mb_emit_ldloc (mb, 3);
8843 mono_mb_emit_byte (mb, CEE_RET);
8845 #endif /* DISABLE_JIT */
8848 G_GNUC_UNUSED static void
8849 code_for (MonoMethod *method) {
8850 MonoMethodHeader *header = mono_method_get_header (method);
8851 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));
8855 * mono_marshal_get_native_wrapper:
8856 * @method: The MonoMethod to wrap.
8857 * @check_exceptions: Whenever to check for pending exceptions
8859 * generates IL code for the pinvoke wrapper (the generated method
8860 * calls the unmanaged code in piinfo->addr)
8861 * The wrapper info for the wrapper is a WrapperInfo structure.
8864 mono_marshal_get_native_wrapper (MonoMethod *method, gboolean check_exceptions, gboolean aot)
8866 MonoMethodSignature *sig, *csig;
8867 MonoMethodPInvoke *piinfo = (MonoMethodPInvoke *) method;
8868 MonoMethodBuilder *mb;
8869 MonoMarshalSpec **mspecs;
8872 gboolean pinvoke = FALSE;
8875 const char *exc_class = "MissingMethodException";
8876 const char *exc_arg = NULL;
8879 g_assert (method != NULL);
8880 g_assert (mono_method_signature (method)->pinvoke);
8883 cache = get_cache (&method->klass->image->native_wrapper_aot_cache, mono_aligned_addr_hash, NULL);
8885 cache = get_cache (&method->klass->image->native_wrapper_cache, mono_aligned_addr_hash, NULL);
8886 if ((res = mono_marshal_find_in_cache (cache, method)))
8889 if (MONO_CLASS_IS_IMPORT (method->klass)) {
8891 return mono_cominterop_get_native_wrapper (method);
8893 g_assert_not_reached ();
8897 sig = mono_method_signature (method);
8899 if (!(method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
8900 (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL))
8903 if (!piinfo->addr) {
8905 if (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)
8906 exc_arg = "Method contains unsupported native code";
8908 mono_lookup_pinvoke_call (method, &exc_class, &exc_arg);
8910 piinfo->addr = mono_lookup_internal_call (method);
8914 /* hack - redirect certain string constructors to CreateString */
8915 if (piinfo->addr == ves_icall_System_String_ctor_RedirectToCreateString) {
8916 g_assert (!pinvoke);
8917 g_assert (method->string_ctor);
8918 g_assert (sig->hasthis);
8920 /* CreateString returns a value */
8921 csig = signature_dup (method->klass->image, sig);
8922 csig->ret = &mono_defaults.string_class->byval_arg;
8926 while ((res = mono_class_get_methods (mono_defaults.string_class, &iter))) {
8927 if (!strcmp ("CreateString", res->name) &&
8928 mono_metadata_signature_equal (csig, mono_method_signature (res))) {
8931 g_assert (!(res->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL));
8932 g_assert (!(res->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL));
8934 /* create a wrapper to preserve .ctor in stack trace */
8935 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_MANAGED_TO_MANAGED);
8938 mono_mb_emit_byte (mb, CEE_LDARG_0);
8939 for (i = 1; i <= csig->param_count; i++)
8940 mono_mb_emit_ldarg (mb, i);
8941 mono_mb_emit_managed_call (mb, res, NULL);
8942 mono_mb_emit_byte (mb, CEE_RET);
8945 /* use native_wrapper_cache because internal calls are looked up there */
8946 res = mono_mb_create_and_cache (cache, method,
8947 mb, csig, csig->param_count + 1);
8951 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_STRING_CTOR);
8952 info->d.string_ctor.method = method;
8954 mono_marshal_set_wrapper_info (res, info);
8960 /* exception will be thrown */
8961 piinfo->addr = NULL;
8962 g_warning ("cannot find CreateString for .ctor");
8965 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_MANAGED_TO_NATIVE);
8967 mb->method->save_lmf = 1;
8970 * In AOT mode and embedding scenarios, it is possible that the icall is not
8971 * registered in the runtime doing the AOT compilation.
8973 if (!piinfo->addr && !aot) {
8975 mono_mb_emit_exception (mb, exc_class, exc_arg);
8977 csig = signature_dup (method->klass->image, sig);
8979 res = mono_mb_create_and_cache (cache, method,
8980 mb, csig, csig->param_count + 16);
8983 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_NONE);
8984 info->d.managed_to_native.method = method;
8985 mono_marshal_set_wrapper_info (res, info);
8990 /* internal calls: we simply push all arguments and call the method (no conversions) */
8991 if (method->iflags & (METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL | METHOD_IMPL_ATTRIBUTE_RUNTIME)) {
8993 csig = signature_dup_add_this (method->klass->image, sig, method->klass);
8995 csig = signature_dup (method->klass->image, sig);
8997 /* hack - string constructors returns a value */
8998 if (method->string_ctor)
8999 csig->ret = &mono_defaults.string_class->byval_arg;
9006 * Add a null check since public icalls can be called with 'call' which
9007 * does no such check.
9009 mono_mb_emit_byte (mb, CEE_LDARG_0);
9010 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
9011 mono_mb_emit_exception (mb, "NullReferenceException", NULL);
9012 mono_mb_patch_branch (mb, pos);
9014 mono_mb_emit_byte (mb, CEE_LDARG_0);
9017 for (i = 0; i < sig->param_count; i++)
9018 mono_mb_emit_ldarg (mb, i + sig->hasthis);
9021 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
9022 mono_mb_emit_op (mb, CEE_MONO_ICALL_ADDR, &piinfo->method);
9023 mono_mb_emit_calli (mb, csig);
9025 g_assert (piinfo->addr);
9026 mono_mb_emit_native_call (mb, csig, piinfo->addr);
9028 if (check_exceptions)
9029 emit_thread_interrupt_checkpoint (mb);
9030 mono_mb_emit_byte (mb, CEE_RET);
9033 csig = signature_dup (method->klass->image, csig);
9035 res = mono_mb_create_and_cache (cache, method,
9036 mb, csig, csig->param_count + 16);
9038 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_NONE);
9039 info->d.managed_to_native.method = method;
9040 mono_marshal_set_wrapper_info (res, info);
9048 g_assert (piinfo->addr);
9051 mspecs = g_new (MonoMarshalSpec*, sig->param_count + 1);
9052 mono_method_get_marshal_info (method, mspecs);
9054 mono_marshal_emit_native_wrapper (mb->method->klass->image, mb, sig, piinfo, mspecs, piinfo->addr, aot, check_exceptions, FALSE);
9057 csig = signature_dup (method->klass->image, sig);
9059 res = mono_mb_create_and_cache (cache, method,
9060 mb, csig, csig->param_count + 16);
9063 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_PINVOKE);
9064 info->d.managed_to_native.method = method;
9065 mono_marshal_set_wrapper_info (res, info);
9068 for (i = sig->param_count; i >= 0; i--)
9070 mono_metadata_free_marshal_spec (mspecs [i]);
9074 /* code_for (res); */
9080 * mono_marshal_get_native_func_wrapper:
9081 * @image: The image to use for memory allocation and for looking up custom marshallers.
9082 * @sig: The signature of the function
9083 * @func: The native function to wrap
9085 * Returns a wrapper method around native functions, similar to the pinvoke
9089 mono_marshal_get_native_func_wrapper (MonoImage *image, MonoMethodSignature *sig,
9090 MonoMethodPInvoke *piinfo, MonoMarshalSpec **mspecs, gpointer func)
9092 MonoMethodSignature *csig;
9094 MonoMethodBuilder *mb;
9099 cache = get_cache (&image->native_wrapper_cache, mono_aligned_addr_hash, NULL);
9100 if ((res = mono_marshal_find_in_cache (cache, func)))
9103 name = g_strdup_printf ("wrapper_native_%p", func);
9104 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_MANAGED_TO_NATIVE);
9105 mb->method->save_lmf = 1;
9108 mono_marshal_emit_native_wrapper (image, mb, sig, piinfo, mspecs, func, FALSE, TRUE, FALSE);
9111 csig = signature_dup (image, sig);
9113 res = mono_mb_create_and_cache (cache, func,
9114 mb, csig, csig->param_count + 16);
9117 mono_marshal_set_wrapper_info (res, NULL);
9123 * The wrapper receives the native function as a boxed IntPtr as its 'this' argument. This is easier to support in
9127 mono_marshal_get_native_func_wrapper_aot (MonoClass *klass)
9129 MonoMethodSignature *sig, *csig;
9130 MonoMethodBuilder *mb;
9135 MonoMethodPInvoke mpiinfo;
9136 MonoMethodPInvoke *piinfo = &mpiinfo;
9137 MonoMarshalSpec **mspecs;
9138 MonoMethod *invoke = mono_get_delegate_invoke (klass);
9139 MonoImage *image = invoke->klass->image;
9142 // FIXME: include UnmanagedFunctionPointerAttribute info
9145 * The wrapper is associated with the delegate type, to pick up the marshalling info etc.
9147 cache = get_cache (&image->native_func_wrapper_aot_cache, mono_aligned_addr_hash, NULL);
9148 if ((res = mono_marshal_find_in_cache (cache, invoke)))
9151 memset (&mpiinfo, 0, sizeof (mpiinfo));
9152 parse_unmanaged_function_pointer_attr (klass, &mpiinfo);
9154 mspecs = g_new0 (MonoMarshalSpec*, mono_method_signature (invoke)->param_count + 1);
9155 mono_method_get_marshal_info (invoke, mspecs);
9156 /* Freed below so don't alloc from mempool */
9157 sig = mono_metadata_signature_dup (mono_method_signature (invoke));
9160 name = g_strdup_printf ("wrapper_aot_native");
9161 mb = mono_mb_new (invoke->klass, name, MONO_WRAPPER_MANAGED_TO_NATIVE);
9162 mb->method->save_lmf = 1;
9165 mono_marshal_emit_native_wrapper (image, mb, sig, piinfo, mspecs, NULL, FALSE, TRUE, TRUE);
9168 g_assert (!sig->hasthis);
9169 csig = signature_dup_add_this (image, sig, mono_defaults.int_class);
9171 res = mono_mb_create_and_cache (cache, invoke,
9172 mb, csig, csig->param_count + 16);
9175 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_NATIVE_FUNC_AOT);
9176 info->d.managed_to_native.method = invoke;
9178 mono_marshal_set_wrapper_info (res, info);
9180 for (i = mono_method_signature (invoke)->param_count; i >= 0; i--)
9182 mono_metadata_free_marshal_spec (mspecs [i]);
9190 * mono_marshal_emit_managed_wrapper:
9192 * Emit the body of a native-to-managed wrapper. INVOKE_SIG is the signature of
9193 * the delegate which wraps the managed method to be called. For closed delegates,
9194 * it could have fewer parameters than the method it wraps.
9195 * THIS_LOC is the memory location where the target of the delegate is stored.
9198 mono_marshal_emit_managed_wrapper (MonoMethodBuilder *mb, MonoMethodSignature *invoke_sig, MonoMarshalSpec **mspecs, EmitMarshalContext* m, MonoMethod *method, uint32_t target_handle)
9201 MonoMethodSignature *sig, *csig;
9207 /* we first do all conversions */
9208 for (i = 0; i < sig->param_count; i ++) {
9209 MonoType *t = sig->params [i];
9212 case MONO_TYPE_OBJECT:
9213 case MONO_TYPE_CLASS:
9214 case MONO_TYPE_VALUETYPE:
9215 case MONO_TYPE_ARRAY:
9216 case MONO_TYPE_SZARRAY:
9217 case MONO_TYPE_STRING:
9218 case MONO_TYPE_BOOLEAN:
9219 emit_marshal (m, i, sig->params [i], mspecs [i + 1], 0, &csig->params [i], MARSHAL_ACTION_MANAGED_CONV_IN);
9223 if (!sig->ret->byref) {
9224 switch (sig->ret->type) {
9225 case MONO_TYPE_STRING:
9226 csig->ret = &mono_defaults.int_class->byval_arg;
9233 MonoMethodSignature *sig, *csig;
9235 gboolean closed = FALSE;
9240 /* allocate local 0 (pointer) src_ptr */
9241 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9242 /* allocate local 1 (pointer) dst_ptr */
9243 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9244 /* allocate local 2 (boolean) delete_old */
9245 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
9247 if (!sig->hasthis && sig->param_count != invoke_sig->param_count) {
9248 /* Closed delegate */
9249 g_assert (sig->param_count == invoke_sig->param_count + 1);
9251 /* Use a new signature without the first argument */
9252 sig = mono_metadata_signature_dup (sig);
9253 memmove (&sig->params [0], &sig->params [1], (sig->param_count - 1) * sizeof (MonoType*));
9254 sig->param_count --;
9257 if (!MONO_TYPE_IS_VOID(sig->ret)) {
9258 /* allocate local 3 to store the return value */
9259 mono_mb_add_local (mb, sig->ret);
9262 mono_mb_emit_icon (mb, 0);
9263 mono_mb_emit_stloc (mb, 2);
9266 * Might need to attach the thread to the JIT or change the
9267 * domain for the callback.
9269 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
9270 mono_mb_emit_byte (mb, CEE_MONO_JIT_ATTACH);
9272 /* we first do all conversions */
9273 tmp_locals = alloca (sizeof (int) * sig->param_count);
9274 for (i = 0; i < sig->param_count; i ++) {
9275 MonoType *t = sig->params [i];
9278 case MONO_TYPE_OBJECT:
9279 case MONO_TYPE_CLASS:
9280 case MONO_TYPE_VALUETYPE:
9281 case MONO_TYPE_ARRAY:
9282 case MONO_TYPE_SZARRAY:
9283 case MONO_TYPE_STRING:
9284 case MONO_TYPE_BOOLEAN:
9285 tmp_locals [i] = emit_marshal (m, i, sig->params [i], mspecs [i + 1], 0, &csig->params [i], MARSHAL_ACTION_MANAGED_CONV_IN);
9294 emit_thread_interrupt_checkpoint (mb);
9297 if (target_handle) {
9298 mono_mb_emit_icon (mb, (gint32)target_handle);
9299 mono_mb_emit_icall (mb, mono_gchandle_get_target);
9302 g_assert_not_reached ();
9304 } else if (closed) {
9305 mono_mb_emit_icon (mb, (gint32)target_handle);
9306 mono_mb_emit_icall (mb, mono_gchandle_get_target);
9309 for (i = 0; i < sig->param_count; i++) {
9310 MonoType *t = sig->params [i];
9312 if (tmp_locals [i]) {
9314 mono_mb_emit_ldloc_addr (mb, tmp_locals [i]);
9316 mono_mb_emit_ldloc (mb, tmp_locals [i]);
9319 mono_mb_emit_ldarg (mb, i);
9322 mono_mb_emit_managed_call (mb, method, NULL);
9324 if (mspecs [0] && mspecs [0]->native == MONO_NATIVE_CUSTOM) {
9325 emit_marshal (m, 0, sig->ret, mspecs [0], 0, NULL, MARSHAL_ACTION_MANAGED_CONV_RESULT);
9326 } else if (!sig->ret->byref) {
9327 switch (sig->ret->type) {
9328 case MONO_TYPE_VOID:
9330 case MONO_TYPE_BOOLEAN:
9333 case MONO_TYPE_CHAR:
9345 case MONO_TYPE_OBJECT:
9346 mono_mb_emit_stloc (mb, 3);
9348 case MONO_TYPE_STRING:
9349 csig->ret = &mono_defaults.int_class->byval_arg;
9350 emit_marshal (m, 0, sig->ret, mspecs [0], 0, NULL, MARSHAL_ACTION_MANAGED_CONV_RESULT);
9352 case MONO_TYPE_VALUETYPE:
9353 case MONO_TYPE_CLASS:
9354 case MONO_TYPE_SZARRAY:
9355 emit_marshal (m, 0, sig->ret, mspecs [0], 0, NULL, MARSHAL_ACTION_MANAGED_CONV_RESULT);
9358 g_warning ("return type 0x%02x unknown", sig->ret->type);
9359 g_assert_not_reached ();
9362 mono_mb_emit_stloc (mb, 3);
9365 /* Convert byref arguments back */
9366 for (i = 0; i < sig->param_count; i ++) {
9367 MonoType *t = sig->params [i];
9368 MonoMarshalSpec *spec = mspecs [i + 1];
9370 if (spec && spec->native == MONO_NATIVE_CUSTOM) {
9371 emit_marshal (m, i, t, mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_MANAGED_CONV_OUT);
9373 else if (t->byref) {
9375 case MONO_TYPE_CLASS:
9376 case MONO_TYPE_VALUETYPE:
9377 case MONO_TYPE_OBJECT:
9378 case MONO_TYPE_STRING:
9379 case MONO_TYPE_BOOLEAN:
9380 emit_marshal (m, i, t, mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_MANAGED_CONV_OUT);
9384 else if (invoke_sig->params [i]->attrs & PARAM_ATTRIBUTE_OUT) {
9385 /* The [Out] information is encoded in the delegate signature */
9387 case MONO_TYPE_SZARRAY:
9388 case MONO_TYPE_CLASS:
9389 case MONO_TYPE_VALUETYPE:
9390 emit_marshal (m, i, invoke_sig->params [i], mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_MANAGED_CONV_OUT);
9393 g_assert_not_reached ();
9398 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
9399 mono_mb_emit_byte (mb, CEE_MONO_JIT_DETACH);
9401 if (m->retobj_var) {
9402 mono_mb_emit_ldloc (mb, m->retobj_var);
9403 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
9404 mono_mb_emit_op (mb, CEE_MONO_RETOBJ, m->retobj_class);
9407 if (!MONO_TYPE_IS_VOID(sig->ret))
9408 mono_mb_emit_ldloc (mb, 3);
9409 mono_mb_emit_byte (mb, CEE_RET);
9418 mono_marshal_set_callconv_from_modopt (MonoMethod *method, MonoMethodSignature *csig)
9420 MonoMethodSignature *sig;
9425 * Under windows, delegates passed to native code must use the STDCALL
9426 * calling convention.
9428 csig->call_convention = MONO_CALL_STDCALL;
9431 sig = mono_method_signature (method);
9433 /* Change default calling convention if needed */
9434 /* Why is this a modopt ? */
9435 if (sig->ret && sig->ret->num_mods) {
9436 for (i = 0; i < sig->ret->num_mods; ++i) {
9437 MonoClass *cmod_class = mono_class_get (method->klass->image, sig->ret->modifiers [i].token);
9438 g_assert (cmod_class);
9439 if ((cmod_class->image == mono_defaults.corlib) && !strcmp (cmod_class->name_space, "System.Runtime.CompilerServices")) {
9440 if (!strcmp (cmod_class->name, "CallConvCdecl"))
9441 csig->call_convention = MONO_CALL_C;
9442 else if (!strcmp (cmod_class->name, "CallConvStdcall"))
9443 csig->call_convention = MONO_CALL_STDCALL;
9444 else if (!strcmp (cmod_class->name, "CallConvFastcall"))
9445 csig->call_convention = MONO_CALL_FASTCALL;
9446 else if (!strcmp (cmod_class->name, "CallConvThiscall"))
9447 csig->call_convention = MONO_CALL_THISCALL;
9454 * generates IL code to call managed methods from unmanaged code
9455 * If target_handle==0, the wrapper info will be a WrapperInfo structure.
9458 mono_marshal_get_managed_wrapper (MonoMethod *method, MonoClass *delegate_klass, uint32_t target_handle)
9460 static MonoClass *UnmanagedFunctionPointerAttribute;
9461 MonoMethodSignature *sig, *csig, *invoke_sig;
9462 MonoMethodBuilder *mb;
9463 MonoMethod *res, *invoke;
9464 MonoMarshalSpec **mspecs;
9465 MonoMethodPInvoke piinfo;
9468 EmitMarshalContext m;
9470 g_assert (method != NULL);
9471 g_assert (!mono_method_signature (method)->pinvoke);
9474 * FIXME: Should cache the method+delegate type pair, since the same method
9475 * could be called with different delegates, thus different marshalling
9478 cache = get_cache (&method->klass->image->managed_wrapper_cache, mono_aligned_addr_hash, NULL);
9479 if (!target_handle && (res = mono_marshal_find_in_cache (cache, method)))
9482 invoke = mono_get_delegate_invoke (delegate_klass);
9483 invoke_sig = mono_method_signature (invoke);
9485 mspecs = g_new0 (MonoMarshalSpec*, mono_method_signature (invoke)->param_count + 1);
9486 mono_method_get_marshal_info (invoke, mspecs);
9488 sig = mono_method_signature (method);
9490 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_NATIVE_TO_MANAGED);
9492 /*the target gchandle must be the first entry after size and the wrapper itself.*/
9493 mono_mb_add_data (mb, GUINT_TO_POINTER (target_handle));
9495 /* we copy the signature, so that we can modify it */
9497 /* Need to free this later */
9498 csig = mono_metadata_signature_dup (invoke_sig);
9500 csig = signature_dup (method->klass->image, invoke_sig);
9509 m.image = method->klass->image;
9511 mono_marshal_set_callconv_from_modopt (invoke, csig);
9513 /* Handle the UnmanagedFunctionPointerAttribute */
9514 if (!UnmanagedFunctionPointerAttribute)
9515 UnmanagedFunctionPointerAttribute = mono_class_from_name (mono_defaults.corlib, "System.Runtime.InteropServices", "UnmanagedFunctionPointerAttribute");
9517 /* The attribute is only available in Net 2.0 */
9518 if (UnmanagedFunctionPointerAttribute) {
9519 MonoCustomAttrInfo *cinfo;
9520 MonoCustomAttrEntry *attr;
9523 * The pinvoke attributes are stored in a real custom attribute. Obtain the
9524 * contents of the attribute without constructing it, as that might not be
9525 * possible when running in cross-compiling mode.
9527 cinfo = mono_custom_attrs_from_class (delegate_klass);
9530 for (i = 0; i < cinfo->num_attrs; ++i) {
9531 MonoClass *ctor_class = cinfo->attrs [i].ctor->klass;
9532 if (mono_class_has_parent (ctor_class, UnmanagedFunctionPointerAttribute)) {
9533 attr = &cinfo->attrs [i];
9539 MonoArray *typed_args, *named_args;
9540 CattrNamedArg *arginfo;
9544 MonoBoolean set_last_error = 0;
9545 MonoBoolean best_fit_mapping = 0;
9546 MonoBoolean throw_on_unmappable = 0;
9549 mono_reflection_create_custom_attr_data_args (mono_defaults.corlib, attr->ctor, attr->data, attr->data_size, &typed_args, &named_args, &arginfo, &error);
9550 g_assert (mono_error_ok (&error));
9551 g_assert (mono_array_length (typed_args) == 1);
9554 o = mono_array_get (typed_args, MonoObject*, 0);
9555 call_conv = *(gint32*)mono_object_unbox (o);
9558 for (i = 0; i < mono_array_length (named_args); ++i) {
9559 CattrNamedArg *narg = &arginfo [i];
9561 o = mono_array_get (named_args, MonoObject*, i);
9563 g_assert (narg->field);
9564 if (!strcmp (narg->field->name, "CharSet")) {
9565 charset = *(gint32*)mono_object_unbox (o);
9566 } else if (!strcmp (narg->field->name, "SetLastError")) {
9567 set_last_error = *(MonoBoolean*)mono_object_unbox (o);
9568 } else if (!strcmp (narg->field->name, "BestFitMapping")) {
9569 best_fit_mapping = *(MonoBoolean*)mono_object_unbox (o);
9570 } else if (!strcmp (narg->field->name, "ThrowOnUnmappableChar")) {
9571 throw_on_unmappable = *(MonoBoolean*)mono_object_unbox (o);
9573 g_assert_not_reached ();
9579 memset (&piinfo, 0, sizeof (piinfo));
9581 piinfo.piflags = (call_conv << 8) | (charset ? (charset - 1) * 2 : 1) | set_last_error;
9583 csig->call_convention = call_conv - 1;
9586 if (cinfo && !cinfo->cached)
9587 mono_custom_attrs_free (cinfo);
9590 mono_marshal_emit_managed_wrapper (mb, invoke_sig, mspecs, &m, method, target_handle);
9592 if (!target_handle) {
9595 res = mono_mb_create_and_cache (cache, method,
9596 mb, csig, sig->param_count + 16);
9597 // FIXME: Associate it with the method+delegate_klass pair
9598 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_NONE);
9599 info->d.native_to_managed.method = method;
9600 info->d.native_to_managed.klass = delegate_klass;
9601 mono_marshal_set_wrapper_info (res, info);
9606 res = mono_mb_create_method (mb, csig, sig->param_count + 16);
9610 for (i = mono_method_signature (invoke)->param_count; i >= 0; i--)
9612 mono_metadata_free_marshal_spec (mspecs [i]);
9615 /* code_for (res); */
9621 mono_marshal_get_vtfixup_ftnptr (MonoImage *image, guint32 token, guint16 type)
9624 MonoMethodSignature *sig;
9625 MonoMethodBuilder *mb;
9630 method = mono_get_method (image, token, NULL);
9633 if (type & (VTFIXUP_TYPE_FROM_UNMANAGED | VTFIXUP_TYPE_FROM_UNMANAGED_RETAIN_APPDOMAIN)) {
9634 MonoMethodSignature *csig;
9635 MonoMarshalSpec **mspecs;
9636 EmitMarshalContext m;
9638 sig = mono_method_signature (method);
9639 g_assert (!sig->hasthis);
9641 mspecs = g_new0 (MonoMarshalSpec*, sig->param_count + 1);
9642 mono_method_get_marshal_info (method, mspecs);
9644 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_NATIVE_TO_MANAGED);
9645 csig = signature_dup (image, sig);
9656 mono_marshal_set_callconv_from_modopt (method, csig);
9658 /* FIXME: Implement VTFIXUP_TYPE_FROM_UNMANAGED_RETAIN_APPDOMAIN. */
9660 mono_marshal_emit_managed_wrapper (mb, sig, mspecs, &m, method, 0);
9665 method = mono_mb_create_method (mb, csig, sig->param_count + 16);
9668 for (i = sig->param_count; i >= 0; i--)
9670 mono_metadata_free_marshal_spec (mspecs [i]);
9673 return mono_compile_method (method);
9676 sig = mono_method_signature (method);
9677 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_MANAGED_TO_MANAGED);
9679 param_count = sig->param_count + sig->hasthis;
9681 for (i = 0; i < param_count; i++)
9682 mono_mb_emit_ldarg (mb, i);
9684 if (type & VTFIXUP_TYPE_CALL_MOST_DERIVED)
9685 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
9687 mono_mb_emit_op (mb, CEE_CALL, method);
9688 mono_mb_emit_byte (mb, CEE_RET);
9693 method = mono_mb_create_method (mb, sig, param_count);
9696 return mono_compile_method (method);
9699 static MonoReflectionType *
9700 type_from_handle (MonoType *handle)
9702 MonoDomain *domain = mono_domain_get ();
9703 MonoClass *klass = mono_class_from_mono_type (handle);
9705 MONO_ARCH_SAVE_REGS;
9707 mono_class_init (klass);
9708 return mono_type_get_object (domain, handle);
9712 * This does the equivalent of mono_object_castclass_with_cache.
9713 * The wrapper info for the wrapper is a WrapperInfo structure.
9716 mono_marshal_get_castclass_with_cache (void)
9718 static MonoMethod *cached;
9720 MonoMethodBuilder *mb;
9721 MonoMethodSignature *sig;
9722 int return_null_pos, cache_miss_pos, invalid_cast_pos;
9728 mb = mono_mb_new (mono_defaults.object_class, "__castclass_with_cache", MONO_WRAPPER_CASTCLASS);
9729 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
9730 sig->params [0] = &mono_defaults.object_class->byval_arg;
9731 sig->params [1] = &mono_defaults.int_class->byval_arg;
9732 sig->params [2] = &mono_defaults.int_class->byval_arg;
9733 sig->ret = &mono_defaults.object_class->byval_arg;
9737 /* allocate local 0 (pointer) obj_vtable */
9738 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9741 mono_mb_emit_ldarg (mb, 0);
9742 return_null_pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
9744 /*obj_vtable = obj->vtable;*/
9745 mono_mb_emit_ldarg (mb, 0);
9746 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
9747 mono_mb_emit_byte (mb, CEE_LDIND_I);
9748 mono_mb_emit_stloc (mb, 0);
9751 mono_mb_emit_ldarg (mb, 2);
9752 mono_mb_emit_byte (mb, CEE_LDIND_I);
9753 mono_mb_emit_ldloc (mb, 0);
9755 /*if (*cache == obj_vtable)*/
9756 cache_miss_pos = mono_mb_emit_branch (mb, CEE_BNE_UN);
9759 mono_mb_emit_ldarg (mb, 0);
9760 mono_mb_emit_byte (mb, CEE_RET);
9762 mono_mb_patch_branch (mb, cache_miss_pos);
9763 /*if (mono_object_isinst (obj, klass)) */
9764 mono_mb_emit_ldarg (mb, 0);
9765 mono_mb_emit_ldarg (mb, 1);
9766 mono_mb_emit_icall (mb, mono_object_isinst);
9767 invalid_cast_pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
9769 /**cache = obj_vtable;*/
9770 mono_mb_emit_ldarg (mb, 2);
9771 mono_mb_emit_ldloc (mb, 0);
9772 mono_mb_emit_byte (mb, CEE_STIND_I);
9775 mono_mb_emit_ldarg (mb, 0);
9776 mono_mb_emit_byte (mb, CEE_RET);
9779 mono_mb_patch_branch (mb, invalid_cast_pos);
9780 mono_mb_emit_exception (mb, "InvalidCastException", NULL);
9783 mono_mb_patch_branch (mb, return_null_pos);
9784 mono_mb_emit_byte (mb, CEE_LDNULL);
9785 mono_mb_emit_byte (mb, CEE_RET);
9786 #endif /* DISABLE_JIT */
9788 res = mono_mb_create_method (mb, sig, 8);
9789 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_CASTCLASS_WITH_CACHE);
9790 mono_marshal_set_wrapper_info (res, info);
9793 if (InterlockedCompareExchangePointer ((volatile gpointer *)&cached, res, NULL)) {
9794 mono_free_method (res);
9795 mono_metadata_free_method_signature (sig);
9803 * This does the equivalent of mono_object_isinst_with_cache.
9804 * The wrapper info for the wrapper is a WrapperInfo structure.
9807 mono_marshal_get_isinst_with_cache (void)
9809 static MonoMethod *cached;
9811 MonoMethodBuilder *mb;
9812 MonoMethodSignature *sig;
9813 int return_null_pos, cache_miss_pos, cache_hit_pos, not_an_instance_pos, negative_cache_hit_pos;
9819 mb = mono_mb_new (mono_defaults.object_class, "__isinst_with_cache", MONO_WRAPPER_CASTCLASS);
9820 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
9821 sig->params [0] = &mono_defaults.object_class->byval_arg;
9822 sig->params [1] = &mono_defaults.int_class->byval_arg;
9823 sig->params [2] = &mono_defaults.int_class->byval_arg;
9824 sig->ret = &mono_defaults.object_class->byval_arg;
9828 /* allocate local 0 (pointer) obj_vtable */
9829 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9830 /* allocate local 1 (pointer) cached_vtable */
9831 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9834 mono_mb_emit_ldarg (mb, 0);
9835 return_null_pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
9837 /*obj_vtable = obj->vtable;*/
9838 mono_mb_emit_ldarg (mb, 0);
9839 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
9840 mono_mb_emit_byte (mb, CEE_LDIND_I);
9841 mono_mb_emit_stloc (mb, 0);
9843 /* cached_vtable = *cache*/
9844 mono_mb_emit_ldarg (mb, 2);
9845 mono_mb_emit_byte (mb, CEE_LDIND_I);
9846 mono_mb_emit_stloc (mb, 1);
9848 mono_mb_emit_ldloc (mb, 1);
9849 mono_mb_emit_byte (mb, CEE_LDC_I4);
9850 mono_mb_emit_i4 (mb, ~0x1);
9851 mono_mb_emit_byte (mb, CEE_CONV_U);
9852 mono_mb_emit_byte (mb, CEE_AND);
9853 mono_mb_emit_ldloc (mb, 0);
9854 /*if ((cached_vtable & ~0x1)== obj_vtable)*/
9855 cache_miss_pos = mono_mb_emit_branch (mb, CEE_BNE_UN);
9857 /*return (cached_vtable & 0x1) ? NULL : obj;*/
9858 mono_mb_emit_ldloc (mb, 1);
9859 mono_mb_emit_byte(mb, CEE_LDC_I4_1);
9860 mono_mb_emit_byte (mb, CEE_CONV_U);
9861 mono_mb_emit_byte (mb, CEE_AND);
9862 negative_cache_hit_pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
9865 mono_mb_emit_ldarg (mb, 0);
9866 cache_hit_pos = mono_mb_emit_branch (mb, CEE_BR);
9869 mono_mb_patch_branch (mb, negative_cache_hit_pos);
9870 mono_mb_emit_byte (mb, CEE_LDNULL);
9872 mono_mb_patch_branch (mb, cache_hit_pos);
9873 mono_mb_emit_byte (mb, CEE_RET);
9875 mono_mb_patch_branch (mb, cache_miss_pos);
9876 /*if (mono_object_isinst (obj, klass)) */
9877 mono_mb_emit_ldarg (mb, 0);
9878 mono_mb_emit_ldarg (mb, 1);
9879 mono_mb_emit_icall (mb, mono_object_isinst);
9880 not_an_instance_pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
9882 /**cache = obj_vtable;*/
9883 mono_mb_emit_ldarg (mb, 2);
9884 mono_mb_emit_ldloc (mb, 0);
9885 mono_mb_emit_byte (mb, CEE_STIND_I);
9888 mono_mb_emit_ldarg (mb, 0);
9889 mono_mb_emit_byte (mb, CEE_RET);
9892 mono_mb_patch_branch (mb, not_an_instance_pos);
9893 /* *cache = (gpointer)(obj_vtable | 0x1);*/
9894 mono_mb_emit_ldarg (mb, 2);
9895 /*obj_vtable | 0x1*/
9896 mono_mb_emit_ldloc (mb, 0);
9897 mono_mb_emit_byte(mb, CEE_LDC_I4_1);
9898 mono_mb_emit_byte (mb, CEE_CONV_U);
9899 mono_mb_emit_byte (mb, CEE_OR);
9902 mono_mb_emit_byte (mb, CEE_STIND_I);
9905 mono_mb_patch_branch (mb, return_null_pos);
9906 mono_mb_emit_byte (mb, CEE_LDNULL);
9907 mono_mb_emit_byte (mb, CEE_RET);
9910 res = mono_mb_create_method (mb, sig, 8);
9911 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_ISINST_WITH_CACHE);
9912 mono_marshal_set_wrapper_info (res, info);
9915 if (InterlockedCompareExchangePointer ((volatile gpointer *)&cached, res, NULL)) {
9916 mono_free_method (res);
9917 mono_metadata_free_method_signature (sig);
9925 * mono_marshal_get_isinst:
9926 * @klass: the type of the field
9928 * This method generates a function which can be used to check if an object is
9929 * an instance of the given type, icluding the case where the object is a proxy.
9930 * The generated function has the following signature:
9931 * MonoObject* __isinst_wrapper_ (MonoObject *obj)
9934 mono_marshal_get_isinst (MonoClass *klass)
9936 static MonoMethodSignature *isint_sig = NULL;
9939 int pos_was_ok, pos_end;
9940 #ifndef DISABLE_REMOTING
9941 int pos_end2, pos_failed;
9944 MonoMethodBuilder *mb;
9946 cache = get_cache (&klass->image->isinst_cache, mono_aligned_addr_hash, NULL);
9947 if ((res = mono_marshal_find_in_cache (cache, klass)))
9951 isint_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
9952 isint_sig->params [0] = &mono_defaults.object_class->byval_arg;
9953 isint_sig->ret = &mono_defaults.object_class->byval_arg;
9954 isint_sig->pinvoke = 0;
9957 name = g_strdup_printf ("__isinst_wrapper_%s", klass->name);
9958 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_ISINST);
9961 mb->method->save_lmf = 1;
9964 /* check if the object is a proxy that needs special cast */
9965 mono_mb_emit_ldarg (mb, 0);
9966 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
9967 mono_mb_emit_op (mb, CEE_MONO_CISINST, klass);
9969 /* The result of MONO_CISINST can be:
9970 0) the type check succeeded
9971 1) the type check did not succeed
9972 2) a CanCastTo call is needed */
9973 #ifndef DISABLE_REMOTING
9974 mono_mb_emit_byte (mb, CEE_DUP);
9975 pos_was_ok = mono_mb_emit_branch (mb, CEE_BRFALSE);
9977 mono_mb_emit_byte (mb, CEE_LDC_I4_2);
9978 pos_failed = mono_mb_emit_branch (mb, CEE_BNE_UN);
9980 /* get the real proxy from the transparent proxy*/
9982 mono_mb_emit_ldarg (mb, 0);
9983 mono_mb_emit_managed_call (mb, mono_marshal_get_proxy_cancast (klass), NULL);
9984 pos_end = mono_mb_emit_branch (mb, CEE_BR);
9988 mono_mb_patch_branch (mb, pos_failed);
9989 mono_mb_emit_byte (mb, CEE_LDNULL);
9990 pos_end2 = mono_mb_emit_branch (mb, CEE_BR);
9994 mono_mb_patch_branch (mb, pos_was_ok);
9995 mono_mb_emit_byte (mb, CEE_POP);
9996 mono_mb_emit_ldarg (mb, 0);
10000 mono_mb_patch_branch (mb, pos_end);
10001 mono_mb_patch_branch (mb, pos_end2);
10002 mono_mb_emit_byte (mb, CEE_RET);
10004 pos_was_ok = mono_mb_emit_branch (mb, CEE_BRFALSE);
10008 mono_mb_emit_byte (mb, CEE_LDNULL);
10009 pos_end = mono_mb_emit_branch (mb, CEE_BR);
10013 mono_mb_patch_branch (mb, pos_was_ok);
10014 mono_mb_emit_ldarg (mb, 0);
10018 mono_mb_patch_branch (mb, pos_end);
10019 mono_mb_emit_byte (mb, CEE_RET);
10020 #endif /* DISABLE_REMOTING */
10021 #endif /* DISABLE_JIT */
10023 res = mono_mb_create_and_cache (cache, klass, mb, isint_sig, isint_sig->param_count + 16);
10030 * mono_marshal_get_castclass:
10031 * @klass: the type of the field
10033 * This method generates a function which can be used to cast an object to
10034 * an instance of the given type, icluding the case where the object is a proxy.
10035 * The generated function has the following signature:
10036 * MonoObject* __castclass_wrapper_ (MonoObject *obj)
10037 * The wrapper info for the wrapper is a WrapperInfo structure.
10040 mono_marshal_get_castclass (MonoClass *klass)
10042 static MonoMethodSignature *castclass_sig = NULL;
10045 #ifndef DISABLE_REMOTING
10046 int pos_was_ok, pos_was_ok2;
10049 MonoMethodBuilder *mb;
10052 cache = get_cache (&klass->image->castclass_cache, mono_aligned_addr_hash, NULL);
10053 if ((res = mono_marshal_find_in_cache (cache, klass)))
10056 if (!castclass_sig) {
10057 castclass_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
10058 castclass_sig->params [0] = &mono_defaults.object_class->byval_arg;
10059 castclass_sig->ret = &mono_defaults.object_class->byval_arg;
10060 castclass_sig->pinvoke = 0;
10063 name = g_strdup_printf ("__castclass_wrapper_%s", klass->name);
10064 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_CASTCLASS);
10067 mb->method->save_lmf = 1;
10069 #ifndef DISABLE_JIT
10070 /* check if the object is a proxy that needs special cast */
10071 mono_mb_emit_ldarg (mb, 0);
10072 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
10073 mono_mb_emit_op (mb, CEE_MONO_CCASTCLASS, klass);
10075 /* The result of MONO_CCASTCLASS can be:
10076 0) the cast is valid
10077 1) cast of unknown proxy type
10078 or an exception if the cast is is invalid
10080 #ifndef DISABLE_REMOTING
10081 pos_was_ok = mono_mb_emit_branch (mb, CEE_BRFALSE);
10083 /* get the real proxy from the transparent proxy*/
10085 mono_mb_emit_ldarg (mb, 0);
10086 mono_mb_emit_managed_call (mb, mono_marshal_get_proxy_cancast (klass), NULL);
10087 pos_was_ok2 = mono_mb_emit_branch (mb, CEE_BRTRUE);
10090 mono_mb_emit_exception (mb, "InvalidCastException", NULL);
10093 mono_mb_patch_branch (mb, pos_was_ok);
10094 mono_mb_patch_branch (mb, pos_was_ok2);
10096 /* MONO_CCASTCLASS leaves an int in the stack with the result, pop it. */
10097 mono_mb_emit_byte (mb, CEE_POP);
10098 #endif /* DISABLE_REMOTING */
10100 mono_mb_emit_ldarg (mb, 0);
10103 mono_mb_emit_byte (mb, CEE_RET);
10104 #endif /* DISABLE_JIT */
10106 res = mono_mb_create_and_cache (cache, klass, mb, castclass_sig, castclass_sig->param_count + 16);
10109 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_NONE);
10110 mono_marshal_set_wrapper_info (res, info);
10115 #ifndef DISABLE_REMOTING
10117 mono_marshal_get_proxy_cancast (MonoClass *klass)
10119 static MonoMethodSignature *isint_sig = NULL;
10122 int pos_failed, pos_end;
10123 char *name, *klass_name;
10124 MonoMethod *can_cast_to;
10125 MonoMethodDesc *desc;
10126 MonoMethodBuilder *mb;
10128 cache = get_cache (&klass->image->proxy_isinst_cache, mono_aligned_addr_hash, NULL);
10129 if ((res = mono_marshal_find_in_cache (cache, klass)))
10133 isint_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
10134 isint_sig->params [0] = &mono_defaults.object_class->byval_arg;
10135 isint_sig->ret = &mono_defaults.object_class->byval_arg;
10136 isint_sig->pinvoke = 0;
10139 klass_name = mono_type_full_name (&klass->byval_arg);
10140 name = g_strdup_printf ("__proxy_isinst_wrapper_%s", klass_name);
10141 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_PROXY_ISINST);
10142 g_free (klass_name);
10145 mb->method->save_lmf = 1;
10147 #ifndef DISABLE_JIT
10148 /* get the real proxy from the transparent proxy*/
10149 mono_mb_emit_ldarg (mb, 0);
10150 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
10151 mono_mb_emit_byte (mb, CEE_LDIND_REF);
10153 /* get the reflection type from the type handle */
10154 mono_mb_emit_ptr (mb, &klass->byval_arg);
10155 mono_mb_emit_icall (mb, type_from_handle);
10157 mono_mb_emit_ldarg (mb, 0);
10159 /* make the call to CanCastTo (type, ob) */
10160 desc = mono_method_desc_new ("IRemotingTypeInfo:CanCastTo", FALSE);
10161 can_cast_to = mono_method_desc_search_in_class (desc, mono_defaults.iremotingtypeinfo_class);
10162 g_assert (can_cast_to);
10163 mono_method_desc_free (desc);
10164 mono_mb_emit_op (mb, CEE_CALLVIRT, can_cast_to);
10166 pos_failed = mono_mb_emit_branch (mb, CEE_BRFALSE);
10168 /* Upgrade the proxy vtable by calling: mono_upgrade_remote_class_wrapper (type, ob)*/
10169 mono_mb_emit_ptr (mb, &klass->byval_arg);
10170 mono_mb_emit_icall (mb, type_from_handle);
10171 mono_mb_emit_ldarg (mb, 0);
10173 mono_mb_emit_icall (mb, mono_upgrade_remote_class_wrapper);
10174 emit_thread_interrupt_checkpoint (mb);
10176 mono_mb_emit_ldarg (mb, 0);
10177 pos_end = mono_mb_emit_branch (mb, CEE_BR);
10181 mono_mb_patch_branch (mb, pos_failed);
10182 mono_mb_emit_byte (mb, CEE_LDNULL);
10186 mono_mb_patch_branch (mb, pos_end);
10187 mono_mb_emit_byte (mb, CEE_RET);
10190 res = mono_mb_create_and_cache (cache, klass, mb, isint_sig, isint_sig->param_count + 16);
10197 mono_upgrade_remote_class_wrapper (MonoReflectionType *rtype, MonoTransparentProxy *tproxy)
10200 MonoDomain *domain = ((MonoObject*)tproxy)->vtable->domain;
10201 klass = mono_class_from_mono_type (rtype->type);
10202 mono_upgrade_remote_class (domain, (MonoObject*)tproxy, klass);
10204 #endif /*DISABLE_REMOTING */
10207 * mono_marshal_get_struct_to_ptr:
10210 * generates IL code for StructureToPtr (object structure, IntPtr ptr, bool fDeleteOld)
10211 * The wrapper info for the wrapper is a WrapperInfo structure.
10214 mono_marshal_get_struct_to_ptr (MonoClass *klass)
10216 MonoMethodBuilder *mb;
10217 static MonoMethod *stoptr = NULL;
10221 g_assert (klass != NULL);
10223 mono_marshal_load_type_info (klass);
10225 if (klass->marshal_info->str_to_ptr)
10226 return klass->marshal_info->str_to_ptr;
10229 stoptr = mono_class_get_method_from_name (mono_defaults.marshal_class, "StructureToPtr", 3);
10232 mb = mono_mb_new (klass, stoptr->name, MONO_WRAPPER_UNKNOWN);
10234 #ifndef DISABLE_JIT
10235 if (klass->blittable) {
10236 mono_mb_emit_byte (mb, CEE_LDARG_1);
10237 mono_mb_emit_byte (mb, CEE_LDARG_0);
10238 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
10239 mono_mb_emit_icon (mb, mono_class_value_size (klass, NULL));
10240 mono_mb_emit_byte (mb, CEE_PREFIX1);
10241 mono_mb_emit_byte (mb, CEE_CPBLK);
10244 /* allocate local 0 (pointer) src_ptr */
10245 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10246 /* allocate local 1 (pointer) dst_ptr */
10247 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10248 /* allocate local 2 (boolean) delete_old */
10249 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
10250 mono_mb_emit_byte (mb, CEE_LDARG_2);
10251 mono_mb_emit_stloc (mb, 2);
10253 /* initialize src_ptr to point to the start of object data */
10254 mono_mb_emit_byte (mb, CEE_LDARG_0);
10255 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
10256 mono_mb_emit_stloc (mb, 0);
10258 /* initialize dst_ptr */
10259 mono_mb_emit_byte (mb, CEE_LDARG_1);
10260 mono_mb_emit_stloc (mb, 1);
10262 emit_struct_conv (mb, klass, FALSE);
10265 mono_mb_emit_byte (mb, CEE_RET);
10268 res = mono_mb_create_method (mb, mono_signature_no_pinvoke (stoptr), 0);
10271 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_STRUCTURE_TO_PTR);
10272 mono_marshal_set_wrapper_info (res, info);
10274 klass->marshal_info->str_to_ptr = res;
10279 * mono_marshal_get_ptr_to_struct:
10282 * generates IL code for PtrToStructure (IntPtr src, object structure)
10283 * The wrapper info for the wrapper is a WrapperInfo structure.
10286 mono_marshal_get_ptr_to_struct (MonoClass *klass)
10288 MonoMethodBuilder *mb;
10289 static MonoMethodSignature *ptostr = NULL;
10293 g_assert (klass != NULL);
10295 mono_marshal_load_type_info (klass);
10297 if (klass->marshal_info->ptr_to_str)
10298 return klass->marshal_info->ptr_to_str;
10301 MonoMethodSignature *sig;
10303 /* Create the signature corresponding to
10304 static void PtrToStructure (IntPtr ptr, object structure);
10305 defined in class/corlib/System.Runtime.InteropServices/Marshal.cs */
10306 sig = mono_create_icall_signature ("void ptr object");
10307 sig = signature_dup (mono_defaults.corlib, sig);
10309 mono_memory_barrier ();
10313 mb = mono_mb_new (klass, "PtrToStructure", MONO_WRAPPER_UNKNOWN);
10315 #ifndef DISABLE_JIT
10316 if (klass->blittable) {
10317 mono_mb_emit_byte (mb, CEE_LDARG_1);
10318 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
10319 mono_mb_emit_byte (mb, CEE_LDARG_0);
10320 mono_mb_emit_icon (mb, mono_class_value_size (klass, NULL));
10321 mono_mb_emit_byte (mb, CEE_PREFIX1);
10322 mono_mb_emit_byte (mb, CEE_CPBLK);
10325 /* allocate local 0 (pointer) src_ptr */
10326 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10327 /* allocate local 1 (pointer) dst_ptr */
10328 mono_mb_add_local (mb, &klass->this_arg);
10330 /* initialize src_ptr to point to the start of object data */
10331 mono_mb_emit_byte (mb, CEE_LDARG_0);
10332 mono_mb_emit_stloc (mb, 0);
10334 /* initialize dst_ptr */
10335 mono_mb_emit_byte (mb, CEE_LDARG_1);
10336 mono_mb_emit_op (mb, CEE_UNBOX, klass);
10337 mono_mb_emit_stloc (mb, 1);
10339 emit_struct_conv (mb, klass, TRUE);
10342 mono_mb_emit_byte (mb, CEE_RET);
10345 res = mono_mb_create_method (mb, ptostr, 0);
10348 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_PTR_TO_STRUCTURE);
10349 mono_marshal_set_wrapper_info (res, info);
10351 klass->marshal_info->ptr_to_str = res;
10356 * Return a dummy wrapper for METHOD which is called by synchronized wrappers.
10357 * This is used to avoid infinite recursion since it is hard to determine where to
10358 * replace a method with its synchronized wrapper, and where not.
10359 * The runtime should execute METHOD instead of the wrapper.
10360 * The wrapper info for the wrapper is a WrapperInfo structure.
10363 mono_marshal_get_synchronized_inner_wrapper (MonoMethod *method)
10365 MonoMethodBuilder *mb;
10367 MonoMethodSignature *sig;
10369 MonoGenericContext *ctx = NULL;
10370 MonoMethod *orig_method = NULL;
10371 MonoGenericContainer *container = NULL;
10373 if (method->is_inflated && !mono_method_get_context (method)->method_inst) {
10374 orig_method = method;
10375 ctx = &((MonoMethodInflated*)method)->context;
10376 method = ((MonoMethodInflated*)method)->declaring;
10377 container = mono_method_get_generic_container (method);
10379 container = method->klass->generic_container;
10380 g_assert (container);
10383 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_UNKNOWN);
10384 #ifndef DISABLE_JIT
10385 mono_mb_emit_exception_full (mb, "System", "ExecutionEngineException", "Shouldn't be called.");
10386 mono_mb_emit_byte (mb, CEE_RET);
10388 sig = signature_dup (method->klass->image, mono_method_signature (method));
10389 res = mono_mb_create_method (mb, sig, 0);
10391 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_SYNCHRONIZED_INNER);
10392 info->d.synchronized_inner.method = method;
10393 mono_marshal_set_wrapper_info (res, info);
10395 res = mono_class_inflate_generic_method (res, ctx);
10400 * generates IL code for the synchronized wrapper: the generated method
10401 * calls METHOD while locking 'this' or the parent type.
10404 mono_marshal_get_synchronized_wrapper (MonoMethod *method)
10406 static MonoMethod *enter_method, *exit_method, *gettypefromhandle_method;
10407 MonoMethodSignature *sig;
10408 MonoExceptionClause *clause;
10409 MonoMethodBuilder *mb;
10412 int i, pos, this_local, ret_local = 0;
10413 MonoGenericContext *ctx = NULL;
10414 MonoMethod *orig_method = NULL;
10415 MonoGenericContainer *container = NULL;
10419 if (method->wrapper_type == MONO_WRAPPER_SYNCHRONIZED)
10422 /* FIXME: Support generic methods too */
10423 if (method->is_inflated && !mono_method_get_context (method)->method_inst) {
10424 orig_method = method;
10425 ctx = &((MonoMethodInflated*)method)->context;
10426 method = ((MonoMethodInflated*)method)->declaring;
10427 container = mono_method_get_generic_container (method);
10429 container = method->klass->generic_container;
10430 g_assert (container);
10437 cache = get_cache (&method->klass->image->synchronized_generic_cache, mono_aligned_addr_hash, NULL);
10438 res = check_generic_wrapper_cache (cache, orig_method, orig_method, method);
10442 cache = get_cache (&method->klass->image->synchronized_cache, mono_aligned_addr_hash, NULL);
10443 if ((res = mono_marshal_find_in_cache (cache, method)))
10447 sig = signature_dup (method->klass->image, mono_method_signature (method));
10450 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_SYNCHRONIZED);
10452 #ifndef DISABLE_JIT
10454 if (!MONO_TYPE_IS_VOID (sig->ret))
10455 ret_local = mono_mb_add_local (mb, sig->ret);
10458 if (method->klass->valuetype && !(method->flags & MONO_METHOD_ATTR_STATIC)) {
10459 mono_class_set_failure (method->klass, MONO_EXCEPTION_TYPE_LOAD, NULL);
10460 #ifndef DISABLE_JIT
10461 /* This will throw the type load exception when the wrapper is compiled */
10462 mono_mb_emit_byte (mb, CEE_LDNULL);
10463 mono_mb_emit_op (mb, CEE_ISINST, method->klass);
10464 mono_mb_emit_byte (mb, CEE_POP);
10466 if (!MONO_TYPE_IS_VOID (sig->ret))
10467 mono_mb_emit_ldloc (mb, ret_local);
10468 mono_mb_emit_byte (mb, CEE_RET);
10471 res = mono_mb_create_and_cache (cache, method,
10472 mb, sig, sig->param_count + 16);
10478 #ifndef DISABLE_JIT
10480 this_local = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
10482 clause = mono_image_alloc0 (method->klass->image, sizeof (MonoExceptionClause));
10483 clause->flags = MONO_EXCEPTION_CLAUSE_FINALLY;
10486 mono_marshal_lock ();
10488 if (!enter_method) {
10489 MonoMethodDesc *desc;
10491 desc = mono_method_desc_new ("Monitor:Enter", FALSE);
10492 enter_method = mono_method_desc_search_in_class (desc, mono_defaults.monitor_class);
10493 g_assert (enter_method);
10494 mono_method_desc_free (desc);
10496 desc = mono_method_desc_new ("Monitor:Exit", FALSE);
10497 exit_method = mono_method_desc_search_in_class (desc, mono_defaults.monitor_class);
10498 g_assert (exit_method);
10499 mono_method_desc_free (desc);
10501 desc = mono_method_desc_new ("Type:GetTypeFromHandle", FALSE);
10502 gettypefromhandle_method = mono_method_desc_search_in_class (desc, mono_defaults.systemtype_class);
10503 g_assert (gettypefromhandle_method);
10504 mono_method_desc_free (desc);
10507 mono_marshal_unlock ();
10509 #ifndef DISABLE_JIT
10510 /* Push this or the type object */
10511 if (method->flags & METHOD_ATTRIBUTE_STATIC) {
10512 /* We have special handling for this in the JIT */
10513 int index = mono_mb_add_data (mb, method->klass);
10514 mono_mb_add_data (mb, mono_defaults.typehandle_class);
10515 mono_mb_emit_byte (mb, CEE_LDTOKEN);
10516 mono_mb_emit_i4 (mb, index);
10518 mono_mb_emit_managed_call (mb, gettypefromhandle_method, NULL);
10521 mono_mb_emit_ldarg (mb, 0);
10522 mono_mb_emit_stloc (mb, this_local);
10524 /* Call Monitor::Enter() */
10525 mono_mb_emit_ldloc (mb, this_local);
10526 mono_mb_emit_managed_call (mb, enter_method, NULL);
10528 clause->try_offset = mono_mb_get_label (mb);
10530 /* Call the method */
10532 mono_mb_emit_ldarg (mb, 0);
10533 for (i = 0; i < sig->param_count; i++)
10534 mono_mb_emit_ldarg (mb, i + (sig->hasthis == TRUE));
10537 mono_mb_emit_managed_call (mb, mono_class_inflate_generic_method (method, &container->context), NULL);
10539 mono_mb_emit_managed_call (mb, method, NULL);
10541 if (!MONO_TYPE_IS_VOID (sig->ret))
10542 mono_mb_emit_stloc (mb, ret_local);
10544 pos = mono_mb_emit_branch (mb, CEE_LEAVE);
10546 clause->try_len = mono_mb_get_pos (mb) - clause->try_offset;
10547 clause->handler_offset = mono_mb_get_label (mb);
10549 /* Call Monitor::Exit() */
10550 mono_mb_emit_ldloc (mb, this_local);
10551 mono_mb_emit_managed_call (mb, exit_method, NULL);
10552 mono_mb_emit_byte (mb, CEE_ENDFINALLY);
10554 clause->handler_len = mono_mb_get_pos (mb) - clause->handler_offset;
10556 mono_mb_patch_branch (mb, pos);
10557 if (!MONO_TYPE_IS_VOID (sig->ret))
10558 mono_mb_emit_ldloc (mb, ret_local);
10559 mono_mb_emit_byte (mb, CEE_RET);
10561 mono_mb_set_clauses (mb, 1, clause);
10566 def = mono_mb_create_and_cache (cache, method, mb, sig, sig->param_count + 16);
10567 res = cache_generic_wrapper (cache, orig_method, def, ctx, orig_method);
10569 res = mono_mb_create_and_cache (cache, method,
10570 mb, sig, sig->param_count + 16);
10579 * the returned method calls 'method' unboxing the this argument
10582 mono_marshal_get_unbox_wrapper (MonoMethod *method)
10584 MonoMethodSignature *sig = mono_method_signature (method);
10586 MonoMethodBuilder *mb;
10590 cache = get_cache (&method->klass->image->unbox_wrapper_cache, mono_aligned_addr_hash, NULL);
10591 if ((res = mono_marshal_find_in_cache (cache, method)))
10594 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_UNBOX);
10596 g_assert (sig->hasthis);
10598 #ifndef DISABLE_JIT
10599 mono_mb_emit_ldarg (mb, 0);
10600 mono_mb_emit_icon (mb, sizeof (MonoObject));
10601 mono_mb_emit_byte (mb, CEE_ADD);
10602 for (i = 0; i < sig->param_count; ++i)
10603 mono_mb_emit_ldarg (mb, i + 1);
10604 mono_mb_emit_managed_call (mb, method, NULL);
10605 mono_mb_emit_byte (mb, CEE_RET);
10608 res = mono_mb_create_and_cache (cache, method,
10609 mb, sig, sig->param_count + 16);
10612 /* code_for (res); */
10618 STELEMREF_OBJECT, /*no check at all*/
10619 STELEMREF_SEALED_CLASS, /*check vtable->klass->element_type */
10620 STELEMREF_CLASS, /*only the klass->parents check*/
10621 STELEMREF_INTERFACE, /*interfaces without variant generic arguments. */
10622 STELEMREF_COMPLEX, /*arrays, MBR or types with variant generic args - go straight to icalls*/
10623 STELEMREF_KIND_COUNT
10626 static const char *strelemref_wrapper_name[] = {
10627 "object", "sealed_class", "class", "interface", "complex"
10631 is_monomorphic_array (MonoClass *klass)
10633 MonoClass *element_class;
10634 if (klass->rank != 1)
10637 element_class = klass->element_class;
10638 return (element_class->flags & TYPE_ATTRIBUTE_SEALED) || element_class->valuetype;
10642 get_virtual_stelemref_kind (MonoClass *element_class)
10644 if (element_class == mono_defaults.object_class)
10645 return STELEMREF_OBJECT;
10646 if (is_monomorphic_array (element_class))
10647 return STELEMREF_SEALED_CLASS;
10648 /* Compressed interface bitmaps require code that is quite complex, so don't optimize for it. */
10649 if (MONO_CLASS_IS_INTERFACE (element_class) && !mono_class_has_variant_generic_params (element_class))
10650 #ifdef COMPRESSED_INTERFACE_BITMAP
10651 return STELEMREF_COMPLEX;
10653 return STELEMREF_INTERFACE;
10655 /*Arrays are sealed but are covariant on their element type, We can't use any of the fast paths.*/
10656 if (mono_class_is_marshalbyref (element_class) || element_class->rank || mono_class_has_variant_generic_params (element_class))
10657 return STELEMREF_COMPLEX;
10658 if (element_class->flags & TYPE_ATTRIBUTE_SEALED)
10659 return STELEMREF_SEALED_CLASS;
10660 return STELEMREF_CLASS;
10663 #ifndef DISABLE_JIT
10666 load_array_element_address (MonoMethodBuilder *mb)
10668 mono_mb_emit_ldarg (mb, 0);
10669 mono_mb_emit_ldarg (mb, 1);
10670 mono_mb_emit_op (mb, CEE_LDELEMA, mono_defaults.object_class);
10674 load_array_class (MonoMethodBuilder *mb, int aklass)
10676 mono_mb_emit_ldarg (mb, 0);
10677 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
10678 mono_mb_emit_byte (mb, CEE_LDIND_I);
10679 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, klass));
10680 mono_mb_emit_byte (mb, CEE_LDIND_I);
10681 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, element_class));
10682 mono_mb_emit_byte (mb, CEE_LDIND_I);
10683 mono_mb_emit_stloc (mb, aklass);
10687 load_value_class (MonoMethodBuilder *mb, int vklass)
10689 mono_mb_emit_ldarg (mb, 2);
10690 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
10691 mono_mb_emit_byte (mb, CEE_LDIND_I);
10692 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, klass));
10693 mono_mb_emit_byte (mb, CEE_LDIND_I);
10694 mono_mb_emit_stloc (mb, vklass);
10700 record_slot_vstore (MonoObject *array, size_t index, MonoObject *value)
10702 char *name = mono_type_get_full_name (array->vtable->klass->element_class);
10703 printf ("slow vstore of %s\n", name);
10709 * The wrapper info for the wrapper is a WrapperInfo structure.
10712 * - Separate simple interfaces from variant interfaces or mbr types. This way we can avoid the icall for them.
10713 * - Emit a (new) mono bytecode that produces OP_COND_EXC_NE_UN to raise ArrayTypeMismatch
10714 * - Maybe mve some MonoClass field into the vtable to reduce the number of loads
10715 * - Add a case for arrays of arrays.
10718 get_virtual_stelemref_wrapper (int kind)
10720 static MonoMethod *cached_methods [STELEMREF_KIND_COUNT] = { NULL }; /*object iface sealed regular*/
10721 static MonoMethodSignature *signature;
10722 MonoMethodBuilder *mb;
10725 const char *param_names [16];
10726 guint32 b1, b2, b3;
10727 int aklass, vklass, vtable, uiid;
10728 int array_slot_addr;
10731 if (cached_methods [kind])
10732 return cached_methods [kind];
10734 name = g_strdup_printf ("virt_stelemref_%s", strelemref_wrapper_name [kind]);
10735 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_STELEMREF);
10739 MonoMethodSignature *sig = mono_metadata_signature_alloc (mono_defaults.corlib, 2);
10741 /* void this::stelemref (size_t idx, void* value) */
10742 sig->ret = &mono_defaults.void_class->byval_arg;
10743 sig->hasthis = TRUE;
10744 sig->params [0] = &mono_defaults.int_class->byval_arg; /* this is a natural sized int */
10745 sig->params [1] = &mono_defaults.object_class->byval_arg;
10749 #ifndef DISABLE_JIT
10750 param_names [0] = "index";
10751 param_names [1] = "value";
10752 mono_mb_set_param_names (mb, param_names);
10754 /*For now simply call plain old stelemref*/
10756 case STELEMREF_OBJECT:
10757 /* ldelema (implicit bound check) */
10758 load_array_element_address (mb);
10760 mono_mb_emit_ldarg (mb, 2);
10761 mono_mb_emit_byte (mb, CEE_STIND_REF);
10762 mono_mb_emit_byte (mb, CEE_RET);
10765 case STELEMREF_COMPLEX:
10767 <ldelema (bound check)>
10770 if (!mono_object_isinst (value, aklass))
10774 *array_slot_addr = value;
10777 throw new ArrayTypeMismatchException ();
10780 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10781 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
10785 /*Use this to debug/record stores that are going thru the slow path*/
10786 MonoMethodSignature *csig;
10787 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
10788 csig->ret = &mono_defaults.void_class->byval_arg;
10789 csig->params [0] = &mono_defaults.object_class->byval_arg;
10790 csig->params [1] = &mono_defaults.int_class->byval_arg; /* this is a natural sized int */
10791 csig->params [2] = &mono_defaults.object_class->byval_arg;
10792 mono_mb_emit_ldarg (mb, 0);
10793 mono_mb_emit_ldarg (mb, 1);
10794 mono_mb_emit_ldarg (mb, 2);
10795 mono_mb_emit_native_call (mb, csig, record_slot_vstore);
10799 /* ldelema (implicit bound check) */
10800 load_array_element_address (mb);
10801 mono_mb_emit_stloc (mb, array_slot_addr);
10803 /* if (!value) goto do_store */
10804 mono_mb_emit_ldarg (mb, 2);
10805 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
10807 /* aklass = array->vtable->klass->element_class */
10808 load_array_class (mb, aklass);
10810 /*if (mono_object_isinst (value, aklass)) */
10811 mono_mb_emit_ldarg (mb, 2);
10812 mono_mb_emit_ldloc (mb, aklass);
10813 mono_mb_emit_icall (mb, mono_object_isinst);
10814 b2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
10817 mono_mb_patch_branch (mb, b1);
10818 mono_mb_emit_ldloc (mb, array_slot_addr);
10819 mono_mb_emit_ldarg (mb, 2);
10820 mono_mb_emit_byte (mb, CEE_STIND_REF);
10821 mono_mb_emit_byte (mb, CEE_RET);
10823 /* do_exception: */
10824 mono_mb_patch_branch (mb, b2);
10826 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
10829 case STELEMREF_SEALED_CLASS:
10831 <ldelema (bound check)>
10835 aklass = array->vtable->klass->element_class;
10836 vklass = value->vtable->klass;
10838 if (vklass != aklass)
10842 *array_slot_addr = value;
10845 throw new ArrayTypeMismatchException ();
10847 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10848 vklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10849 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
10852 /* ldelema (implicit bound check) */
10853 load_array_element_address (mb);
10854 mono_mb_emit_stloc (mb, array_slot_addr);
10856 /* if (!value) goto do_store */
10857 mono_mb_emit_ldarg (mb, 2);
10858 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
10860 /* aklass = array->vtable->klass->element_class */
10861 load_array_class (mb, aklass);
10863 /* vklass = value->vtable->klass */
10864 load_value_class (mb, vklass);
10866 /*if (vklass != aklass) goto do_exception; */
10867 mono_mb_emit_ldloc (mb, aklass);
10868 mono_mb_emit_ldloc (mb, vklass);
10869 b2 = mono_mb_emit_branch (mb, CEE_BNE_UN);
10872 mono_mb_patch_branch (mb, b1);
10873 mono_mb_emit_ldloc (mb, array_slot_addr);
10874 mono_mb_emit_ldarg (mb, 2);
10875 mono_mb_emit_byte (mb, CEE_STIND_REF);
10876 mono_mb_emit_byte (mb, CEE_RET);
10878 /* do_exception: */
10879 mono_mb_patch_branch (mb, b2);
10880 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
10883 case STELEMREF_CLASS:
10886 <ldelema (bound check)>
10890 aklass = array->vtable->klass->element_class;
10891 vklass = value->vtable->klass;
10893 if (vklass->idepth < aklass->idepth)
10896 if (vklass->supertypes [aklass->idepth - 1] != aklass)
10900 *array_slot_addr = value;
10904 throw new ArrayTypeMismatchException ();
10906 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10907 vklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10908 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
10910 /* ldelema (implicit bound check) */
10911 load_array_element_address (mb);
10912 mono_mb_emit_stloc (mb, array_slot_addr);
10914 /* if (!value) goto do_store */
10915 mono_mb_emit_ldarg (mb, 2);
10916 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
10918 /* aklass = array->vtable->klass->element_class */
10919 load_array_class (mb, aklass);
10921 /* vklass = value->vtable->klass */
10922 load_value_class (mb, vklass);
10924 /*if (mono_object_isinst (value, aklass)) */
10925 mono_mb_emit_ldarg (mb, 2);
10926 mono_mb_emit_ldloc (mb, aklass);
10927 mono_mb_emit_icall (mb, mono_object_isinst);
10928 b2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
10930 /* if (vklass->idepth < aklass->idepth) goto failue */
10931 mono_mb_emit_ldloc (mb, vklass);
10932 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
10933 mono_mb_emit_byte (mb, CEE_LDIND_U2);
10935 mono_mb_emit_ldloc (mb, aklass);
10936 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
10937 mono_mb_emit_byte (mb, CEE_LDIND_U2);
10939 b2 = mono_mb_emit_branch (mb, CEE_BLT_UN);
10941 /* if (vklass->supertypes [aklass->idepth - 1] != aklass) goto failure */
10942 mono_mb_emit_ldloc (mb, vklass);
10943 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, supertypes));
10944 mono_mb_emit_byte (mb, CEE_LDIND_I);
10946 mono_mb_emit_ldloc (mb, aklass);
10947 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
10948 mono_mb_emit_byte (mb, CEE_LDIND_U2);
10949 mono_mb_emit_icon (mb, 1);
10950 mono_mb_emit_byte (mb, CEE_SUB);
10951 mono_mb_emit_icon (mb, sizeof (void*));
10952 mono_mb_emit_byte (mb, CEE_MUL);
10953 mono_mb_emit_byte (mb, CEE_ADD);
10954 mono_mb_emit_byte (mb, CEE_LDIND_I);
10956 mono_mb_emit_ldloc (mb, aklass);
10957 b3 = mono_mb_emit_branch (mb, CEE_BNE_UN);
10960 mono_mb_patch_branch (mb, b1);
10961 mono_mb_emit_ldloc (mb, array_slot_addr);
10962 mono_mb_emit_ldarg (mb, 2);
10963 mono_mb_emit_byte (mb, CEE_STIND_REF);
10964 mono_mb_emit_byte (mb, CEE_RET);
10966 /* do_exception: */
10967 mono_mb_patch_branch (mb, b2);
10968 mono_mb_patch_branch (mb, b3);
10970 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
10973 case STELEMREF_INTERFACE:
10980 klass = array->obj.vtable->klass->element_class;
10981 vt = value->vtable;
10982 uiid = klass->interface_id;
10983 if (uiid > vt->max_interface_id)
10985 if (!(vt->interface_bitmap [(uiid) >> 3] & (1 << ((uiid)&7))))
10988 mono_array_setref (array, index, value);
10991 mono_raise_exception (mono_get_exception_array_type_mismatch ());*/
10993 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
10994 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10995 vtable = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10996 uiid = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
10998 /* ldelema (implicit bound check) */
10999 load_array_element_address (mb);
11000 mono_mb_emit_stloc (mb, array_slot_addr);
11002 /* if (!value) goto do_store */
11003 mono_mb_emit_ldarg (mb, 2);
11004 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
11006 /* klass = array->vtable->klass->element_class */
11007 load_array_class (mb, aklass);
11009 /* vt = value->vtable */
11010 mono_mb_emit_ldarg (mb, 2);
11011 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
11012 mono_mb_emit_byte (mb, CEE_LDIND_I);
11013 mono_mb_emit_stloc (mb, vtable);
11015 /* uiid = klass->interface_id; */
11016 mono_mb_emit_ldloc (mb, aklass);
11017 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, interface_id));
11018 mono_mb_emit_byte (mb, CEE_LDIND_U2);
11019 mono_mb_emit_stloc (mb, uiid);
11021 /*if (uiid > vt->max_interface_id)*/
11022 mono_mb_emit_ldloc (mb, uiid);
11023 mono_mb_emit_ldloc (mb, vtable);
11024 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, max_interface_id));
11025 mono_mb_emit_byte (mb, CEE_LDIND_U2);
11026 b2 = mono_mb_emit_branch (mb, CEE_BGT_UN);
11028 /* if (!(vt->interface_bitmap [(uiid) >> 3] & (1 << ((uiid)&7)))) */
11030 /*vt->interface_bitmap*/
11031 mono_mb_emit_ldloc (mb, vtable);
11032 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, interface_bitmap));
11033 mono_mb_emit_byte (mb, CEE_LDIND_I);
11036 mono_mb_emit_ldloc (mb, uiid);
11037 mono_mb_emit_icon (mb, 3);
11038 mono_mb_emit_byte (mb, CEE_SHR_UN);
11040 /*vt->interface_bitmap [(uiid) >> 3]*/
11041 mono_mb_emit_byte (mb, CEE_ADD); /*interface_bitmap is a guint8 array*/
11042 mono_mb_emit_byte (mb, CEE_LDIND_U1);
11044 /*(1 << ((uiid)&7)))*/
11045 mono_mb_emit_icon (mb, 1);
11046 mono_mb_emit_ldloc (mb, uiid);
11047 mono_mb_emit_icon (mb, 7);
11048 mono_mb_emit_byte (mb, CEE_AND);
11049 mono_mb_emit_byte (mb, CEE_SHL);
11051 /*bitwise and the whole thing*/
11052 mono_mb_emit_byte (mb, CEE_AND);
11053 b3 = mono_mb_emit_branch (mb, CEE_BRFALSE);
11056 mono_mb_patch_branch (mb, b1);
11057 mono_mb_emit_ldloc (mb, array_slot_addr);
11058 mono_mb_emit_ldarg (mb, 2);
11059 mono_mb_emit_byte (mb, CEE_STIND_REF);
11060 mono_mb_emit_byte (mb, CEE_RET);
11062 /* do_exception: */
11063 mono_mb_patch_branch (mb, b2);
11064 mono_mb_patch_branch (mb, b3);
11065 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
11069 mono_mb_emit_ldarg (mb, 0);
11070 mono_mb_emit_ldarg (mb, 1);
11071 mono_mb_emit_ldarg (mb, 2);
11072 mono_mb_emit_managed_call (mb, mono_marshal_get_stelemref (), NULL);
11073 mono_mb_emit_byte (mb, CEE_RET);
11076 #endif /* DISABLE_JIT */
11078 res = mono_mb_create_method (mb, signature, 4);
11079 res->flags |= METHOD_ATTRIBUTE_VIRTUAL;
11081 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_VIRTUAL_STELEMREF);
11082 info->d.virtual_stelemref.kind = kind;
11083 mono_marshal_set_wrapper_info (res, info);
11085 mono_marshal_lock ();
11086 if (!cached_methods [kind]) {
11087 cached_methods [kind] = res;
11088 mono_marshal_unlock ();
11090 mono_marshal_unlock ();
11091 mono_free_method (res);
11095 return cached_methods [kind];
11099 mono_marshal_get_virtual_stelemref (MonoClass *array_class)
11103 g_assert (array_class->rank == 1);
11104 kind = get_virtual_stelemref_kind (array_class->element_class);
11106 return get_virtual_stelemref_wrapper (kind);
11110 mono_marshal_get_virtual_stelemref_wrappers (int *nwrappers)
11115 *nwrappers = STELEMREF_KIND_COUNT;
11116 res = g_malloc0 (STELEMREF_KIND_COUNT * sizeof (MonoMethod*));
11117 for (i = 0; i < STELEMREF_KIND_COUNT; ++i)
11118 res [i] = get_virtual_stelemref_wrapper (i);
11123 * The wrapper info for the wrapper is a WrapperInfo structure.
11126 mono_marshal_get_stelemref ()
11128 static MonoMethod* ret = NULL;
11129 MonoMethodSignature *sig;
11130 MonoMethodBuilder *mb;
11133 guint32 b1, b2, b3, b4;
11135 int aklass, vklass;
11136 int array_slot_addr;
11141 mb = mono_mb_new (mono_defaults.object_class, "stelemref", MONO_WRAPPER_STELEMREF);
11144 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
11146 /* void stelemref (void* array, int idx, void* value) */
11147 sig->ret = &mono_defaults.void_class->byval_arg;
11148 sig->params [0] = &mono_defaults.object_class->byval_arg;
11149 sig->params [1] = &mono_defaults.int_class->byval_arg; /* this is a natural sized int */
11150 sig->params [2] = &mono_defaults.object_class->byval_arg;
11152 #ifndef DISABLE_JIT
11153 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
11154 vklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
11155 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
11159 <ldelema (bound check)>
11163 aklass = array->vtable->klass->element_class;
11164 vklass = value->vtable->klass;
11166 if (vklass->idepth < aklass->idepth)
11169 if (vklass->supertypes [aklass->idepth - 1] != aklass)
11173 *array_slot_addr = value;
11177 if (mono_object_isinst (value, aklass))
11180 throw new ArrayTypeMismatchException ();
11183 /* ldelema (implicit bound check) */
11184 mono_mb_emit_ldarg (mb, 0);
11185 mono_mb_emit_ldarg (mb, 1);
11186 mono_mb_emit_op (mb, CEE_LDELEMA, mono_defaults.object_class);
11187 mono_mb_emit_stloc (mb, array_slot_addr);
11189 /* if (!value) goto do_store */
11190 mono_mb_emit_ldarg (mb, 2);
11191 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
11193 /* aklass = array->vtable->klass->element_class */
11194 mono_mb_emit_ldarg (mb, 0);
11195 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
11196 mono_mb_emit_byte (mb, CEE_LDIND_I);
11197 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, klass));
11198 mono_mb_emit_byte (mb, CEE_LDIND_I);
11199 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, element_class));
11200 mono_mb_emit_byte (mb, CEE_LDIND_I);
11201 mono_mb_emit_stloc (mb, aklass);
11203 /* vklass = value->vtable->klass */
11204 mono_mb_emit_ldarg (mb, 2);
11205 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
11206 mono_mb_emit_byte (mb, CEE_LDIND_I);
11207 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, klass));
11208 mono_mb_emit_byte (mb, CEE_LDIND_I);
11209 mono_mb_emit_stloc (mb, vklass);
11211 /* if (vklass->idepth < aklass->idepth) goto failue */
11212 mono_mb_emit_ldloc (mb, vklass);
11213 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
11214 mono_mb_emit_byte (mb, CEE_LDIND_U2);
11216 mono_mb_emit_ldloc (mb, aklass);
11217 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
11218 mono_mb_emit_byte (mb, CEE_LDIND_U2);
11220 b2 = mono_mb_emit_branch (mb, CEE_BLT_UN);
11222 /* if (vklass->supertypes [aklass->idepth - 1] != aklass) goto failure */
11223 mono_mb_emit_ldloc (mb, vklass);
11224 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, supertypes));
11225 mono_mb_emit_byte (mb, CEE_LDIND_I);
11227 mono_mb_emit_ldloc (mb, aklass);
11228 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
11229 mono_mb_emit_byte (mb, CEE_LDIND_U2);
11230 mono_mb_emit_icon (mb, 1);
11231 mono_mb_emit_byte (mb, CEE_SUB);
11232 mono_mb_emit_icon (mb, sizeof (void*));
11233 mono_mb_emit_byte (mb, CEE_MUL);
11234 mono_mb_emit_byte (mb, CEE_ADD);
11235 mono_mb_emit_byte (mb, CEE_LDIND_I);
11237 mono_mb_emit_ldloc (mb, aklass);
11239 b3 = mono_mb_emit_branch (mb, CEE_BNE_UN);
11241 copy_pos = mono_mb_get_label (mb);
11243 mono_mb_patch_branch (mb, b1);
11244 mono_mb_emit_ldloc (mb, array_slot_addr);
11245 mono_mb_emit_ldarg (mb, 2);
11246 mono_mb_emit_byte (mb, CEE_STIND_REF);
11248 mono_mb_emit_byte (mb, CEE_RET);
11251 mono_mb_patch_branch (mb, b2);
11252 mono_mb_patch_branch (mb, b3);
11254 mono_mb_emit_ldarg (mb, 2);
11255 mono_mb_emit_ldloc (mb, aklass);
11256 mono_mb_emit_icall (mb, mono_object_isinst);
11258 b4 = mono_mb_emit_branch (mb, CEE_BRTRUE);
11259 mono_mb_patch_addr (mb, b4, copy_pos - (b4 + 4));
11260 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
11262 mono_mb_emit_byte (mb, CEE_RET);
11265 ret = mono_mb_create_method (mb, sig, 4);
11268 info = mono_wrapper_info_create (ret, WRAPPER_SUBTYPE_NONE);
11269 mono_marshal_set_wrapper_info (ret, info);
11275 * mono_marshal_get_gsharedvt_in_wrapper:
11277 * This wrapper handles calls from normal code to gsharedvt code.
11279 * The wrapper info for the wrapper is a WrapperInfo structure.
11282 mono_marshal_get_gsharedvt_in_wrapper (void)
11284 static MonoMethod* ret = NULL;
11285 MonoMethodSignature *sig;
11286 MonoMethodBuilder *mb;
11292 mb = mono_mb_new (mono_defaults.object_class, "gsharedvt_in", MONO_WRAPPER_UNKNOWN);
11294 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
11295 sig->ret = &mono_defaults.void_class->byval_arg;
11297 #ifndef DISABLE_JIT
11299 * The body is generated by the JIT, we use a wrapper instead of a trampoline so EH works.
11301 mono_mb_emit_byte (mb, CEE_RET);
11304 ret = mono_mb_create_method (mb, sig, 4);
11307 info = mono_wrapper_info_create (ret, WRAPPER_SUBTYPE_GSHAREDVT_IN);
11308 mono_marshal_set_wrapper_info (ret, info);
11314 * mono_marshal_get_gsharedvt_out_wrapper:
11316 * This wrapper handles calls from gsharedvt code to normal code.
11318 * The wrapper info for the wrapper is a WrapperInfo structure.
11321 mono_marshal_get_gsharedvt_out_wrapper (void)
11323 static MonoMethod* ret = NULL;
11324 MonoMethodSignature *sig;
11325 MonoMethodBuilder *mb;
11331 mb = mono_mb_new (mono_defaults.object_class, "gsharedvt_out", MONO_WRAPPER_UNKNOWN);
11333 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
11334 sig->ret = &mono_defaults.void_class->byval_arg;
11336 #ifndef DISABLE_JIT
11338 * The body is generated by the JIT, we use a wrapper instead of a trampoline so EH works.
11340 mono_mb_emit_byte (mb, CEE_RET);
11343 ret = mono_mb_create_method (mb, sig, 4);
11346 info = mono_wrapper_info_create (ret, WRAPPER_SUBTYPE_GSHAREDVT_OUT);
11347 mono_marshal_set_wrapper_info (ret, info);
11355 MonoMethod *method;
11358 /* LOCKING: vars accessed under the marshal lock */
11359 static ArrayElemAddr *elem_addr_cache = NULL;
11360 static int elem_addr_cache_size = 0;
11361 static int elem_addr_cache_next = 0;
11364 * mono_marshal_get_array_address:
11365 * @rank: rank of the array type
11366 * @elem_size: size in bytes of an element of an array.
11368 * Returns a MonoMethd that implements the code to get the address
11369 * of an element in a multi-dimenasional array of @rank dimensions.
11370 * The returned method takes an array as the first argument and then
11371 * @rank indexes for the @rank dimensions.
11374 mono_marshal_get_array_address (int rank, int elem_size)
11377 MonoMethodBuilder *mb;
11378 MonoMethodSignature *sig;
11379 int i, bounds, ind, realidx;
11380 int branch_pos, *branch_positions;
11384 mono_marshal_lock ();
11385 for (i = 0; i < elem_addr_cache_next; ++i) {
11386 if (elem_addr_cache [i].rank == rank && elem_addr_cache [i].elem_size == elem_size) {
11387 ret = elem_addr_cache [i].method;
11391 mono_marshal_unlock ();
11395 branch_positions = g_new0 (int, rank);
11397 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1 + rank);
11399 /* void* address (void* array, int idx0, int idx1, int idx2, ...) */
11400 sig->ret = &mono_defaults.int_class->byval_arg;
11401 sig->params [0] = &mono_defaults.object_class->byval_arg;
11402 for (i = 0; i < rank; ++i) {
11403 sig->params [i + 1] = &mono_defaults.int32_class->byval_arg;
11406 mb = mono_mb_new (mono_defaults.object_class, "ElementAddr", MONO_WRAPPER_MANAGED_TO_MANAGED);
11408 #ifndef DISABLE_JIT
11409 bounds = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
11410 ind = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
11411 realidx = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
11413 /* bounds = array->bounds; */
11414 mono_mb_emit_ldarg (mb, 0);
11415 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoArray, bounds));
11416 mono_mb_emit_byte (mb, CEE_LDIND_I);
11417 mono_mb_emit_stloc (mb, bounds);
11419 /* ind is the overall element index, realidx is the partial index in a single dimension */
11420 /* ind = idx0 - bounds [0].lower_bound */
11421 mono_mb_emit_ldarg (mb, 1);
11422 mono_mb_emit_ldloc (mb, bounds);
11423 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArrayBounds, lower_bound));
11424 mono_mb_emit_byte (mb, CEE_ADD);
11425 mono_mb_emit_byte (mb, CEE_LDIND_I4);
11426 mono_mb_emit_byte (mb, CEE_SUB);
11427 mono_mb_emit_stloc (mb, ind);
11428 /* if (ind >= bounds [0].length) goto exeception; */
11429 mono_mb_emit_ldloc (mb, ind);
11430 mono_mb_emit_ldloc (mb, bounds);
11431 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArrayBounds, length));
11432 mono_mb_emit_byte (mb, CEE_ADD);
11433 mono_mb_emit_byte (mb, CEE_LDIND_I4);
11434 /* note that we use unsigned comparison */
11435 branch_pos = mono_mb_emit_branch (mb, CEE_BGE_UN);
11437 /* For large ranks (> 4?) use a loop n IL later to reduce code size.
11438 * We could also decide to ignore the passed elem_size and get it
11439 * from the array object, to reduce the number of methods we generate:
11440 * the additional cost is 3 memory loads and a non-immediate mul.
11442 for (i = 1; i < rank; ++i) {
11443 /* realidx = idxi - bounds [i].lower_bound */
11444 mono_mb_emit_ldarg (mb, 1 + i);
11445 mono_mb_emit_ldloc (mb, bounds);
11446 mono_mb_emit_icon (mb, (i * sizeof (MonoArrayBounds)) + G_STRUCT_OFFSET (MonoArrayBounds, lower_bound));
11447 mono_mb_emit_byte (mb, CEE_ADD);
11448 mono_mb_emit_byte (mb, CEE_LDIND_I4);
11449 mono_mb_emit_byte (mb, CEE_SUB);
11450 mono_mb_emit_stloc (mb, realidx);
11451 /* if (realidx >= bounds [i].length) goto exeception; */
11452 mono_mb_emit_ldloc (mb, realidx);
11453 mono_mb_emit_ldloc (mb, bounds);
11454 mono_mb_emit_icon (mb, (i * sizeof (MonoArrayBounds)) + G_STRUCT_OFFSET (MonoArrayBounds, length));
11455 mono_mb_emit_byte (mb, CEE_ADD);
11456 mono_mb_emit_byte (mb, CEE_LDIND_I4);
11457 branch_positions [i] = mono_mb_emit_branch (mb, CEE_BGE_UN);
11458 /* ind = ind * bounds [i].length + realidx */
11459 mono_mb_emit_ldloc (mb, ind);
11460 mono_mb_emit_ldloc (mb, bounds);
11461 mono_mb_emit_icon (mb, (i * sizeof (MonoArrayBounds)) + G_STRUCT_OFFSET (MonoArrayBounds, length));
11462 mono_mb_emit_byte (mb, CEE_ADD);
11463 mono_mb_emit_byte (mb, CEE_LDIND_I4);
11464 mono_mb_emit_byte (mb, CEE_MUL);
11465 mono_mb_emit_ldloc (mb, realidx);
11466 mono_mb_emit_byte (mb, CEE_ADD);
11467 mono_mb_emit_stloc (mb, ind);
11470 /* return array->vector + ind * element_size */
11471 mono_mb_emit_ldarg (mb, 0);
11472 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoArray, vector));
11473 mono_mb_emit_ldloc (mb, ind);
11474 mono_mb_emit_icon (mb, elem_size);
11475 mono_mb_emit_byte (mb, CEE_MUL);
11476 mono_mb_emit_byte (mb, CEE_ADD);
11477 mono_mb_emit_byte (mb, CEE_RET);
11479 /* patch the branches to get here and throw */
11480 for (i = 1; i < rank; ++i) {
11481 mono_mb_patch_branch (mb, branch_positions [i]);
11483 mono_mb_patch_branch (mb, branch_pos);
11484 /* throw exception */
11485 mono_mb_emit_exception (mb, "IndexOutOfRangeException", NULL);
11487 g_free (branch_positions);
11488 #endif /* DISABLE_JIT */
11490 ret = mono_mb_create_method (mb, sig, 4);
11493 /* cache the result */
11495 mono_marshal_lock ();
11496 for (i = 0; i < elem_addr_cache_next; ++i) {
11497 if (elem_addr_cache [i].rank == rank && elem_addr_cache [i].elem_size == elem_size) {
11498 /* FIXME: free ret */
11499 ret = elem_addr_cache [i].method;
11507 if (elem_addr_cache_next >= elem_addr_cache_size) {
11508 int new_size = elem_addr_cache_size + 4;
11509 ArrayElemAddr *new_array = g_new0 (ArrayElemAddr, new_size);
11510 memcpy (new_array, elem_addr_cache, elem_addr_cache_size * sizeof (ArrayElemAddr));
11511 g_free (elem_addr_cache);
11512 elem_addr_cache = new_array;
11513 elem_addr_cache_size = new_size;
11515 elem_addr_cache [elem_addr_cache_next].rank = rank;
11516 elem_addr_cache [elem_addr_cache_next].elem_size = elem_size;
11517 elem_addr_cache [elem_addr_cache_next].method = ret;
11518 elem_addr_cache_next ++;
11520 info = mono_wrapper_info_create (ret, WRAPPER_SUBTYPE_ELEMENT_ADDR);
11521 info->d.element_addr.rank = rank;
11522 info->d.element_addr.elem_size = elem_size;
11523 mono_marshal_set_wrapper_info (ret, info);
11525 mono_marshal_unlock ();
11530 * mono_marshal_get_array_accessor_wrapper:
11532 * Return a wrapper which just calls METHOD, which should be an Array Get/Set/Address method.
11535 mono_marshal_get_array_accessor_wrapper (MonoMethod *method)
11537 MonoMethodSignature *sig;
11538 MonoMethodBuilder *mb;
11542 MonoGenericContext *ctx = NULL;
11543 MonoMethod *orig_method = NULL;
11544 MonoGenericContainer *container = NULL;
11548 * These wrappers are needed to avoid the JIT replacing the calls to these methods with intrinsics
11549 * inside runtime invoke wrappers, thereby making the wrappers not unshareable.
11550 * FIXME: Use generic methods.
11557 g_assert_not_reached ();
11559 cache = get_cache (&method->klass->image->array_accessor_cache, mono_aligned_addr_hash, NULL);
11560 if ((res = mono_marshal_find_in_cache (cache, method)))
11564 sig = signature_dup (method->klass->image, mono_method_signature (method));
11567 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_UNKNOWN);
11569 #ifndef DISABLE_JIT
11570 /* Call the method */
11572 mono_mb_emit_ldarg (mb, 0);
11573 for (i = 0; i < sig->param_count; i++)
11574 mono_mb_emit_ldarg (mb, i + (sig->hasthis == TRUE));
11577 mono_mb_emit_managed_call (mb, mono_class_inflate_generic_method (method, &container->context), NULL);
11579 mono_mb_emit_managed_call (mb, method, NULL);
11580 mono_mb_emit_byte (mb, CEE_RET);
11585 def = mono_mb_create_and_cache (cache, method, mb, sig, sig->param_count + 16);
11586 res = cache_generic_wrapper (cache, orig_method, def, ctx, orig_method);
11588 res = mono_mb_create_and_cache (cache, method,
11589 mb, sig, sig->param_count + 16);
11590 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_ARRAY_ACCESSOR);
11591 info->d.array_accessor.method = method;
11592 mono_marshal_set_wrapper_info (res, info);
11600 mono_marshal_alloc (gulong size)
11605 res = CoTaskMemAlloc (size);
11607 res = g_try_malloc ((gulong)size);
11609 mono_gc_out_of_memory ((gulong)size);
11615 mono_marshal_free (gpointer ptr)
11618 CoTaskMemFree (ptr);
11625 mono_marshal_free_array (gpointer *ptr, int size)
11632 for (i = 0; i < size; i++)
11638 mono_marshal_string_to_utf16 (MonoString *s)
11640 return s ? mono_string_chars (s) : NULL;
11644 mono_marshal_string_to_utf16_copy (MonoString *s)
11649 gunichar2 *res = mono_marshal_alloc ((mono_string_length (s) * 2) + 2);
11650 memcpy (res, mono_string_chars (s), mono_string_length (s) * 2);
11651 res [mono_string_length (s)] = 0;
11657 * mono_marshal_set_last_error:
11659 * This function is invoked to set the last error value from a P/Invoke call
11660 * which has SetLastError set.
11663 mono_marshal_set_last_error (void)
11666 mono_native_tls_set_value (last_error_tls_id, GINT_TO_POINTER (GetLastError ()));
11668 mono_native_tls_set_value (last_error_tls_id, GINT_TO_POINTER (errno));
11673 mono_marshal_set_last_error_windows (int error)
11676 mono_native_tls_set_value (last_error_tls_id, GINT_TO_POINTER (error));
11681 ves_icall_System_Runtime_InteropServices_Marshal_copy_to_unmanaged (MonoArray *src, gint32 start_index,
11682 gpointer dest, gint32 length)
11687 MONO_ARCH_SAVE_REGS;
11689 MONO_CHECK_ARG_NULL (src);
11690 MONO_CHECK_ARG_NULL (dest);
11692 if (src->obj.vtable->klass->rank != 1)
11693 mono_raise_exception (mono_get_exception_argument ("array", "array is multi-dimensional"));
11694 if (start_index < 0)
11695 mono_raise_exception (mono_get_exception_argument ("startIndex", "Must be >= 0"));
11697 mono_raise_exception (mono_get_exception_argument ("length", "Must be >= 0"));
11698 if (start_index + length > mono_array_length (src))
11699 mono_raise_exception (mono_get_exception_argument ("length", "start_index + length > array length"));
11701 element_size = mono_array_element_size (src->obj.vtable->klass);
11703 /* no references should be involved */
11704 source_addr = mono_array_addr_with_size_fast (src, element_size, start_index);
11706 memcpy (dest, source_addr, length * element_size);
11710 ves_icall_System_Runtime_InteropServices_Marshal_copy_from_unmanaged (gpointer src, gint32 start_index,
11711 MonoArray *dest, gint32 length)
11716 MONO_ARCH_SAVE_REGS;
11718 MONO_CHECK_ARG_NULL (src);
11719 MONO_CHECK_ARG_NULL (dest);
11721 if (dest->obj.vtable->klass->rank != 1)
11722 mono_raise_exception (mono_get_exception_argument ("array", "array is multi-dimensional"));
11723 if (start_index < 0)
11724 mono_raise_exception (mono_get_exception_argument ("startIndex", "Must be >= 0"));
11726 mono_raise_exception (mono_get_exception_argument ("length", "Must be >= 0"));
11727 if (start_index + length > mono_array_length (dest))
11728 mono_raise_exception (mono_get_exception_argument ("length", "start_index + length > array length"));
11730 element_size = mono_array_element_size (dest->obj.vtable->klass);
11732 /* no references should be involved */
11733 dest_addr = mono_array_addr_with_size_fast (dest, element_size, start_index);
11735 memcpy (dest_addr, src, length * element_size);
11739 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringAnsi (char *ptr)
11741 MONO_ARCH_SAVE_REGS;
11746 return mono_string_new (mono_domain_get (), ptr);
11750 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringAnsi_len (char *ptr, gint32 len)
11752 MONO_ARCH_SAVE_REGS;
11755 mono_raise_exception (mono_get_exception_argument_null ("ptr"));
11756 g_assert_not_reached ();
11759 return mono_string_new_len (mono_domain_get (), ptr, len);
11764 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringUni (guint16 *ptr)
11766 MonoDomain *domain = mono_domain_get ();
11770 MONO_ARCH_SAVE_REGS;
11778 return mono_string_new_utf16 (domain, ptr, len);
11782 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringUni_len (guint16 *ptr, gint32 len)
11784 MonoDomain *domain = mono_domain_get ();
11786 MONO_ARCH_SAVE_REGS;
11789 mono_raise_exception (mono_get_exception_argument_null ("ptr"));
11790 g_assert_not_reached ();
11793 return mono_string_new_utf16 (domain, ptr, len);
11798 ves_icall_System_Runtime_InteropServices_Marshal_GetLastWin32Error (void)
11800 MONO_ARCH_SAVE_REGS;
11802 return (GPOINTER_TO_INT (mono_native_tls_get_value (last_error_tls_id)));
11806 ves_icall_System_Runtime_InteropServices_Marshal_SizeOf (MonoReflectionType *rtype)
11812 MONO_ARCH_SAVE_REGS;
11814 MONO_CHECK_ARG_NULL (rtype);
11816 type = rtype->type;
11817 klass = mono_class_from_mono_type (type);
11818 if (!mono_class_init (klass))
11819 mono_raise_exception (mono_class_get_exception_for_failure (klass));
11821 layout = (klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK);
11823 if (type->type == MONO_TYPE_PTR || type->type == MONO_TYPE_FNPTR) {
11824 return sizeof (gpointer);
11825 } else if (layout == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
11827 MonoException *exc;
11829 msg = g_strdup_printf ("Type %s cannot be marshaled as an unmanaged structure.", klass->name);
11830 exc = mono_get_exception_argument ("t", msg);
11832 mono_raise_exception (exc);
11836 return mono_class_native_size (klass, NULL);
11840 ves_icall_System_Runtime_InteropServices_Marshal_StructureToPtr (MonoObject *obj, gpointer dst, MonoBoolean delete_old)
11842 MonoMethod *method;
11845 MONO_ARCH_SAVE_REGS;
11847 MONO_CHECK_ARG_NULL (obj);
11848 MONO_CHECK_ARG_NULL (dst);
11850 method = mono_marshal_get_struct_to_ptr (obj->vtable->klass);
11854 pa [2] = &delete_old;
11856 mono_runtime_invoke (method, NULL, pa, NULL);
11860 ptr_to_structure (gpointer src, MonoObject *dst)
11862 MonoMethod *method;
11865 method = mono_marshal_get_ptr_to_struct (dst->vtable->klass);
11870 mono_runtime_invoke (method, NULL, pa, NULL);
11874 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure (gpointer src, MonoObject *dst)
11878 MONO_ARCH_SAVE_REGS;
11880 MONO_CHECK_ARG_NULL (src);
11881 MONO_CHECK_ARG_NULL (dst);
11883 t = mono_type_get_underlying_type (mono_class_get_type (dst->vtable->klass));
11885 if (t->type == MONO_TYPE_VALUETYPE) {
11886 MonoException *exc;
11889 tmp = g_strdup_printf ("Destination is a boxed value type.");
11890 exc = mono_get_exception_argument ("dst", tmp);
11893 mono_raise_exception (exc);
11897 ptr_to_structure (src, dst);
11901 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure_type (gpointer src, MonoReflectionType *type)
11904 MonoDomain *domain = mono_domain_get ();
11907 MONO_ARCH_SAVE_REGS;
11911 MONO_CHECK_ARG_NULL (type);
11913 klass = mono_class_from_mono_type (type->type);
11914 if (!mono_class_init (klass))
11915 mono_raise_exception (mono_class_get_exception_for_failure (klass));
11917 res = mono_object_new (domain, klass);
11919 ptr_to_structure (src, res);
11925 ves_icall_System_Runtime_InteropServices_Marshal_OffsetOf (MonoReflectionType *type, MonoString *field_name)
11927 MonoMarshalType *info;
11930 int match_index = -1;
11932 MONO_ARCH_SAVE_REGS;
11934 MONO_CHECK_ARG_NULL (type);
11935 MONO_CHECK_ARG_NULL (field_name);
11937 fname = mono_string_to_utf8 (field_name);
11938 klass = mono_class_from_mono_type (type->type);
11939 if (!mono_class_init (klass))
11940 mono_raise_exception (mono_class_get_exception_for_failure (klass));
11942 while (klass && match_index == -1) {
11943 MonoClassField* field;
11945 gpointer iter = NULL;
11946 while ((field = mono_class_get_fields (klass, &iter))) {
11947 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
11949 if (!strcmp (fname, mono_field_get_name (field))) {
11956 if (match_index == -1)
11957 klass = klass->parent;
11962 if(match_index == -1) {
11963 MonoException* exc;
11966 /* Get back original class instance */
11967 klass = mono_class_from_mono_type (type->type);
11969 tmp = g_strdup_printf ("Field passed in is not a marshaled member of the type %s", klass->name);
11970 exc = mono_get_exception_argument ("fieldName", tmp);
11973 mono_raise_exception ((MonoException*)exc);
11976 info = mono_marshal_load_type_info (klass);
11977 return info->fields [match_index].offset;
11981 ves_icall_System_Runtime_InteropServices_Marshal_StringToHGlobalAnsi (MonoString *string)
11986 tres = mono_string_to_utf8 (string);
11990 len = strlen (tres) + 1;
11991 ret = ves_icall_System_Runtime_InteropServices_Marshal_AllocHGlobal (len);
11992 memcpy (ret, tres, len);
11997 return mono_string_to_utf8 (string);
12002 ves_icall_System_Runtime_InteropServices_Marshal_StringToHGlobalUni (MonoString *string)
12004 MONO_ARCH_SAVE_REGS;
12006 if (string == NULL)
12009 #ifdef TARGET_WIN32
12010 gunichar2 *res = ves_icall_System_Runtime_InteropServices_Marshal_AllocHGlobal
12011 ((mono_string_length (string) + 1) * 2);
12013 gunichar2 *res = g_malloc ((mono_string_length (string) + 1) * 2);
12015 memcpy (res, mono_string_chars (string), mono_string_length (string) * 2);
12016 res [mono_string_length (string)] = 0;
12022 mono_struct_delete_old (MonoClass *klass, char *ptr)
12024 MonoMarshalType *info;
12027 info = mono_marshal_load_type_info (klass);
12029 for (i = 0; i < info->num_fields; i++) {
12030 MonoMarshalNative ntype;
12031 MonoMarshalConv conv;
12032 MonoType *ftype = info->fields [i].field->type;
12035 if (ftype->attrs & FIELD_ATTRIBUTE_STATIC)
12038 ntype = mono_type_to_unmanaged (ftype, info->fields [i].mspec, TRUE,
12039 klass->unicode, &conv);
12041 cpos = ptr + info->fields [i].offset;
12044 case MONO_MARSHAL_CONV_NONE:
12045 if (MONO_TYPE_ISSTRUCT (ftype)) {
12046 mono_struct_delete_old (ftype->data.klass, cpos);
12050 case MONO_MARSHAL_CONV_STR_LPWSTR:
12051 /* We assume this field points inside a MonoString */
12053 case MONO_MARSHAL_CONV_STR_LPTSTR:
12054 #ifdef TARGET_WIN32
12055 /* We assume this field points inside a MonoString
12059 case MONO_MARSHAL_CONV_STR_LPSTR:
12060 case MONO_MARSHAL_CONV_STR_BSTR:
12061 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
12062 case MONO_MARSHAL_CONV_STR_TBSTR:
12063 mono_marshal_free (*(gpointer *)cpos);
12073 ves_icall_System_Runtime_InteropServices_Marshal_DestroyStructure (gpointer src, MonoReflectionType *type)
12077 MONO_ARCH_SAVE_REGS;
12079 MONO_CHECK_ARG_NULL (src);
12080 MONO_CHECK_ARG_NULL (type);
12082 klass = mono_class_from_mono_type (type->type);
12083 if (!mono_class_init (klass))
12084 mono_raise_exception (mono_class_get_exception_for_failure (klass));
12086 mono_struct_delete_old (klass, (char *)src);
12090 ves_icall_System_Runtime_InteropServices_Marshal_AllocHGlobal (int size)
12094 MONO_ARCH_SAVE_REGS;
12096 if ((gulong)size == 0)
12097 /* This returns a valid pointer for size 0 on MS.NET */
12101 res = GlobalAlloc (GMEM_FIXED, (gulong)size);
12103 res = g_try_malloc ((gulong)size);
12106 mono_gc_out_of_memory ((gulong)size);
12112 ves_icall_System_Runtime_InteropServices_Marshal_ReAllocHGlobal (gpointer ptr, int size)
12117 mono_gc_out_of_memory ((gulong)size);
12122 res = GlobalReAlloc (ptr, (gulong)size, GMEM_MOVEABLE);
12124 res = g_try_realloc (ptr, (gulong)size);
12127 mono_gc_out_of_memory ((gulong)size);
12133 ves_icall_System_Runtime_InteropServices_Marshal_FreeHGlobal (void *ptr)
12135 MONO_ARCH_SAVE_REGS;
12145 ves_icall_System_Runtime_InteropServices_Marshal_AllocCoTaskMem (int size)
12147 MONO_ARCH_SAVE_REGS;
12150 return CoTaskMemAlloc (size);
12152 return g_try_malloc ((gulong)size);
12157 ves_icall_System_Runtime_InteropServices_Marshal_FreeCoTaskMem (void *ptr)
12159 MONO_ARCH_SAVE_REGS;
12162 CoTaskMemFree (ptr);
12169 ves_icall_System_Runtime_InteropServices_Marshal_ReAllocCoTaskMem (gpointer ptr, int size)
12171 MONO_ARCH_SAVE_REGS;
12174 return CoTaskMemRealloc (ptr, size);
12176 return g_try_realloc (ptr, (gulong)size);
12181 ves_icall_System_Runtime_InteropServices_Marshal_UnsafeAddrOfPinnedArrayElement (MonoArray *arrayobj, int index)
12183 return mono_array_addr_with_size_fast (arrayobj, mono_array_element_size (arrayobj->obj.vtable->klass), index);
12187 ves_icall_System_Runtime_InteropServices_Marshal_GetDelegateForFunctionPointerInternal (void *ftn, MonoReflectionType *type)
12189 MonoClass *klass = mono_type_get_class (type->type);
12190 if (!mono_class_init (klass))
12191 mono_raise_exception (mono_class_get_exception_for_failure (klass));
12193 return mono_ftnptr_to_delegate (klass, ftn);
12197 * mono_marshal_is_loading_type_info:
12199 * Return whenever mono_marshal_load_type_info () is being executed for KLASS by this
12203 mono_marshal_is_loading_type_info (MonoClass *klass)
12205 GSList *loads_list = mono_native_tls_get_value (load_type_info_tls_id);
12207 return g_slist_find (loads_list, klass) != NULL;
12211 * mono_marshal_load_type_info:
12213 * Initialize klass->marshal_info using information from metadata. This function can
12214 * recursively call itself, and the caller is responsible to avoid that by calling
12215 * mono_marshal_is_loading_type_info () beforehand.
12217 * LOCKING: Acquires the loader lock.
12220 mono_marshal_load_type_info (MonoClass* klass)
12223 guint32 native_size = 0, min_align = 1, packing;
12224 MonoMarshalType *info;
12225 MonoClassField* field;
12228 GSList *loads_list;
12230 g_assert (klass != NULL);
12232 if (klass->marshal_info)
12233 return klass->marshal_info;
12235 if (!klass->inited)
12236 mono_class_init (klass);
12238 if (klass->marshal_info)
12239 return klass->marshal_info;
12242 * This function can recursively call itself, so we keep the list of classes which are
12243 * under initialization in a TLS list.
12245 g_assert (!mono_marshal_is_loading_type_info (klass));
12246 loads_list = mono_native_tls_get_value (load_type_info_tls_id);
12247 loads_list = g_slist_prepend (loads_list, klass);
12248 mono_native_tls_set_value (load_type_info_tls_id, loads_list);
12251 while ((field = mono_class_get_fields (klass, &iter))) {
12252 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
12254 if (mono_field_is_deleted (field))
12259 layout = klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK;
12261 /* The mempool is protected by the loader lock */
12262 info = mono_image_alloc0 (klass->image, MONO_SIZEOF_MARSHAL_TYPE + sizeof (MonoMarshalField) * count);
12263 info->num_fields = count;
12265 /* Try to find a size for this type in metadata */
12266 mono_metadata_packing_from_typedef (klass->image, klass->type_token, NULL, &native_size);
12268 if (klass->parent) {
12269 int parent_size = mono_class_native_size (klass->parent, NULL);
12271 /* Add parent size to real size */
12272 native_size += parent_size;
12273 info->native_size = parent_size;
12276 packing = klass->packing_size ? klass->packing_size : 8;
12279 while ((field = mono_class_get_fields (klass, &iter))) {
12283 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
12286 if (mono_field_is_deleted (field))
12288 if (field->type->attrs & FIELD_ATTRIBUTE_HAS_FIELD_MARSHAL)
12289 mono_metadata_field_info_with_mempool (klass->image, mono_metadata_token_index (mono_class_get_field_token (field)) - 1,
12290 NULL, NULL, &info->fields [j].mspec);
12292 info->fields [j].field = field;
12294 if ((mono_class_num_fields (klass) == 1) && (klass->instance_size == sizeof (MonoObject)) &&
12295 (strcmp (mono_field_get_name (field), "$PRIVATE$") == 0)) {
12296 /* This field is a hack inserted by MCS to empty structures */
12301 case TYPE_ATTRIBUTE_AUTO_LAYOUT:
12302 case TYPE_ATTRIBUTE_SEQUENTIAL_LAYOUT:
12303 size = mono_marshal_type_size (field->type, info->fields [j].mspec,
12304 &align, TRUE, klass->unicode);
12305 align = klass->packing_size ? MIN (klass->packing_size, align): align;
12306 min_align = MAX (align, min_align);
12307 info->fields [j].offset = info->native_size;
12308 info->fields [j].offset += align - 1;
12309 info->fields [j].offset &= ~(align - 1);
12310 info->native_size = info->fields [j].offset + size;
12312 case TYPE_ATTRIBUTE_EXPLICIT_LAYOUT:
12313 size = mono_marshal_type_size (field->type, info->fields [j].mspec,
12314 &align, TRUE, klass->unicode);
12315 min_align = MAX (align, min_align);
12316 info->fields [j].offset = field->offset - sizeof (MonoObject);
12317 info->native_size = MAX (info->native_size, info->fields [j].offset + size);
12323 if (layout != TYPE_ATTRIBUTE_AUTO_LAYOUT) {
12324 info->native_size = MAX (native_size, info->native_size);
12326 * If the provided Size is equal or larger than the calculated size, and there
12327 * was no Pack attribute, we set min_align to 1 to avoid native_size being increased
12329 if (layout == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) {
12330 if (native_size && native_size == info->native_size && klass->packing_size == 0)
12333 min_align = MIN (min_align, packing);
12337 if (info->native_size & (min_align - 1)) {
12338 info->native_size += min_align - 1;
12339 info->native_size &= ~(min_align - 1);
12342 info->min_align = min_align;
12344 /* Update the class's blittable info, if the layouts don't match */
12345 if (info->native_size != mono_class_value_size (klass, NULL))
12346 klass->blittable = FALSE;
12348 /* If this is an array type, ensure that we have element info */
12349 if (klass->rank && !mono_marshal_is_loading_type_info (klass->element_class)) {
12350 mono_marshal_load_type_info (klass->element_class);
12353 loads_list = mono_native_tls_get_value (load_type_info_tls_id);
12354 loads_list = g_slist_remove (loads_list, klass);
12355 mono_native_tls_set_value (load_type_info_tls_id, loads_list);
12357 mono_marshal_lock ();
12358 if (!klass->marshal_info) {
12359 /*We do double-checking locking on marshal_info */
12360 mono_memory_barrier ();
12361 klass->marshal_info = info;
12363 mono_marshal_unlock ();
12365 return klass->marshal_info;
12369 * mono_class_native_size:
12372 * Returns: the native size of an object instance (when marshaled
12373 * to unmanaged code)
12376 mono_class_native_size (MonoClass *klass, guint32 *align)
12378 if (!klass->marshal_info) {
12379 if (mono_marshal_is_loading_type_info (klass)) {
12384 mono_marshal_load_type_info (klass);
12389 *align = klass->marshal_info->min_align;
12391 return klass->marshal_info->native_size;
12394 /* __alignof__ returns the preferred alignment of values not the actual alignment used by
12395 the compiler so is wrong e.g. for Linux where doubles are aligned on a 4 byte boundary
12396 but __alignof__ returns 8 - using G_STRUCT_OFFSET works better */
12397 #define ALIGNMENT(type) G_STRUCT_OFFSET(struct { char c; type x; }, x)
12400 * mono_type_native_stack_size:
12401 * @t: the type to return the size it uses on the stack
12403 * Returns: the number of bytes required to hold an instance of this
12404 * type on the native stack
12407 mono_type_native_stack_size (MonoType *t, guint32 *align)
12411 g_assert (t != NULL);
12417 *align = sizeof (gpointer);
12418 return sizeof (gpointer);
12422 case MONO_TYPE_BOOLEAN:
12423 case MONO_TYPE_CHAR:
12434 case MONO_TYPE_STRING:
12435 case MONO_TYPE_OBJECT:
12436 case MONO_TYPE_CLASS:
12437 case MONO_TYPE_SZARRAY:
12438 case MONO_TYPE_PTR:
12439 case MONO_TYPE_FNPTR:
12440 case MONO_TYPE_ARRAY:
12441 *align = sizeof (gpointer);
12442 return sizeof (gpointer);
12447 *align = ALIGNMENT (gdouble);
12451 *align = ALIGNMENT (glong);
12453 case MONO_TYPE_GENERICINST:
12454 if (!mono_type_generic_inst_is_valuetype (t)) {
12455 *align = sizeof (gpointer);
12456 return sizeof (gpointer);
12459 case MONO_TYPE_TYPEDBYREF:
12460 case MONO_TYPE_VALUETYPE: {
12462 MonoClass *klass = mono_class_from_mono_type (t);
12464 if (klass->enumtype)
12465 return mono_type_native_stack_size (mono_class_enum_basetype (klass), align);
12467 size = mono_class_native_size (klass, align);
12468 *align = *align + 3;
12478 g_error ("type 0x%02x unknown", t->type);
12484 mono_marshal_type_size (MonoType *type, MonoMarshalSpec *mspec, guint32 *align,
12485 gboolean as_field, gboolean unicode)
12487 MonoMarshalNative native_type = mono_type_to_unmanaged (type, mspec, as_field, unicode, NULL);
12490 switch (native_type) {
12491 case MONO_NATIVE_BOOLEAN:
12494 case MONO_NATIVE_I1:
12495 case MONO_NATIVE_U1:
12498 case MONO_NATIVE_I2:
12499 case MONO_NATIVE_U2:
12500 case MONO_NATIVE_VARIANTBOOL:
12503 case MONO_NATIVE_I4:
12504 case MONO_NATIVE_U4:
12505 case MONO_NATIVE_ERROR:
12508 case MONO_NATIVE_I8:
12509 case MONO_NATIVE_U8:
12510 *align = ALIGNMENT(guint64);
12512 case MONO_NATIVE_R4:
12515 case MONO_NATIVE_R8:
12516 *align = ALIGNMENT(double);
12518 case MONO_NATIVE_INT:
12519 case MONO_NATIVE_UINT:
12520 case MONO_NATIVE_LPSTR:
12521 case MONO_NATIVE_LPWSTR:
12522 case MONO_NATIVE_LPTSTR:
12523 case MONO_NATIVE_BSTR:
12524 case MONO_NATIVE_ANSIBSTR:
12525 case MONO_NATIVE_TBSTR:
12526 case MONO_NATIVE_LPARRAY:
12527 case MONO_NATIVE_SAFEARRAY:
12528 case MONO_NATIVE_IUNKNOWN:
12529 case MONO_NATIVE_IDISPATCH:
12530 case MONO_NATIVE_INTERFACE:
12531 case MONO_NATIVE_ASANY:
12532 case MONO_NATIVE_FUNC:
12533 case MONO_NATIVE_LPSTRUCT:
12534 *align = ALIGNMENT(gpointer);
12535 return sizeof (gpointer);
12536 case MONO_NATIVE_STRUCT:
12537 klass = mono_class_from_mono_type (type);
12538 if (klass == mono_defaults.object_class &&
12539 (mspec && mspec->native == MONO_NATIVE_STRUCT)) {
12543 return mono_class_native_size (klass, align);
12544 case MONO_NATIVE_BYVALTSTR: {
12545 int esize = unicode ? 2: 1;
12548 return mspec->data.array_data.num_elem * esize;
12550 case MONO_NATIVE_BYVALARRAY: {
12551 // FIXME: Have to consider ArraySubType
12553 klass = mono_class_from_mono_type (type);
12554 if (klass->element_class == mono_defaults.char_class) {
12555 esize = unicode ? 2 : 1;
12558 esize = mono_class_native_size (klass->element_class, align);
12561 return mspec->data.array_data.num_elem * esize;
12563 case MONO_NATIVE_CUSTOM:
12564 *align = sizeof (gpointer);
12565 return sizeof (gpointer);
12567 case MONO_NATIVE_CURRENCY:
12568 case MONO_NATIVE_VBBYREFSTR:
12570 g_error ("native type %02x not implemented", native_type);
12573 g_assert_not_reached ();
12578 mono_marshal_asany (MonoObject *o, MonoMarshalNative string_encoding, int param_attrs)
12586 t = &o->vtable->klass->byval_arg;
12590 case MONO_TYPE_PTR:
12593 case MONO_TYPE_BOOLEAN:
12596 case MONO_TYPE_CHAR:
12601 return mono_object_unbox (o);
12603 case MONO_TYPE_STRING:
12604 switch (string_encoding) {
12605 case MONO_NATIVE_LPWSTR:
12606 return mono_marshal_string_to_utf16_copy ((MonoString*)o);
12608 case MONO_NATIVE_LPSTR:
12609 return mono_string_to_lpstr ((MonoString*)o);
12612 g_warning ("marshaling conversion %d not implemented", string_encoding);
12613 g_assert_not_reached ();
12616 case MONO_TYPE_CLASS:
12617 case MONO_TYPE_VALUETYPE: {
12618 MonoMethod *method;
12621 MonoBoolean delete_old = FALSE;
12623 klass = t->data.klass;
12625 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT)
12628 if (klass->valuetype && (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
12629 klass->blittable || klass->enumtype))
12630 return mono_object_unbox (o);
12632 res = mono_marshal_alloc (mono_class_native_size (klass, NULL));
12634 if (!((param_attrs & PARAM_ATTRIBUTE_OUT) && !(param_attrs & PARAM_ATTRIBUTE_IN))) {
12635 method = mono_marshal_get_struct_to_ptr (o->vtable->klass);
12639 pa [2] = &delete_old;
12641 mono_runtime_invoke (method, NULL, pa, NULL);
12648 mono_raise_exception (mono_get_exception_argument ("", "No PInvoke conversion exists for value passed to Object-typed parameter."));
12654 mono_marshal_free_asany (MonoObject *o, gpointer ptr, MonoMarshalNative string_encoding, int param_attrs)
12662 t = &o->vtable->klass->byval_arg;
12664 case MONO_TYPE_STRING:
12665 switch (string_encoding) {
12666 case MONO_NATIVE_LPWSTR:
12667 case MONO_NATIVE_LPSTR:
12668 mono_marshal_free (ptr);
12671 g_warning ("marshaling conversion %d not implemented", string_encoding);
12672 g_assert_not_reached ();
12675 case MONO_TYPE_CLASS:
12676 case MONO_TYPE_VALUETYPE: {
12677 klass = t->data.klass;
12679 if (klass->valuetype && (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
12680 klass->blittable || klass->enumtype))
12683 if (param_attrs & PARAM_ATTRIBUTE_OUT) {
12684 MonoMethod *method = mono_marshal_get_ptr_to_struct (o->vtable->klass);
12690 mono_runtime_invoke (method, NULL, pa, NULL);
12693 if (!((param_attrs & PARAM_ATTRIBUTE_OUT) && !(param_attrs & PARAM_ATTRIBUTE_IN))) {
12694 mono_struct_delete_old (klass, ptr);
12697 mono_marshal_free (ptr);
12706 mono_marshal_get_generic_array_helper (MonoClass *class, MonoClass *iface, gchar *name, MonoMethod *method)
12708 MonoMethodSignature *sig, *csig;
12709 MonoMethodBuilder *mb;
12714 mb = mono_mb_new_no_dup_name (class, name, MONO_WRAPPER_MANAGED_TO_MANAGED);
12715 mb->method->slot = -1;
12717 mb->method->flags = METHOD_ATTRIBUTE_PRIVATE | METHOD_ATTRIBUTE_VIRTUAL |
12718 METHOD_ATTRIBUTE_NEW_SLOT | METHOD_ATTRIBUTE_HIDE_BY_SIG | METHOD_ATTRIBUTE_FINAL;
12720 sig = mono_method_signature (method);
12721 csig = signature_dup (method->klass->image, sig);
12722 csig->generic_param_count = 0;
12724 #ifndef DISABLE_JIT
12725 mono_mb_emit_ldarg (mb, 0);
12726 for (i = 0; i < csig->param_count; i++)
12727 mono_mb_emit_ldarg (mb, i + 1);
12728 mono_mb_emit_managed_call (mb, method, NULL);
12729 mono_mb_emit_byte (mb, CEE_RET);
12731 /* We can corlib internal methods */
12732 mb->skip_visibility = TRUE;
12735 res = mono_mb_create_method (mb, csig, csig->param_count + 16);
12737 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_GENERIC_ARRAY_HELPER);
12738 info->d.generic_array_helper.method = method;
12739 mono_marshal_set_wrapper_info (res, info);
12747 * The mono_win32_compat_* functions are implementations of inline
12748 * Windows kernel32 APIs, which are DllImport-able under MS.NET,
12749 * although not exported by kernel32.
12751 * We map the appropiate kernel32 entries to these functions using
12752 * dllmaps declared in the global etc/mono/config.
12756 mono_win32_compat_CopyMemory (gpointer dest, gconstpointer source, gsize length)
12758 if (!dest || !source)
12761 memcpy (dest, source, length);
12765 mono_win32_compat_FillMemory (gpointer dest, gsize length, guchar fill)
12767 memset (dest, fill, length);
12771 mono_win32_compat_MoveMemory (gpointer dest, gconstpointer source, gsize length)
12773 if (!dest || !source)
12776 memmove (dest, source, length);
12780 mono_win32_compat_ZeroMemory (gpointer dest, gsize length)
12782 memset (dest, 0, length);
12786 mono_marshal_find_nonzero_bit_offset (guint8 *buf, int len, int *byte_offset, guint8 *bitmask)
12791 for (i = 0; i < len; ++i)
12795 g_assert (i < len);
12798 while (byte && !(byte & 1))
12800 g_assert (byte == 1);
12803 *bitmask = buf [i];
12807 mono_marshal_get_thunk_invoke_wrapper (MonoMethod *method)
12809 MonoMethodBuilder *mb;
12810 MonoMethodSignature *sig, *csig;
12811 MonoExceptionClause *clause;
12816 int i, param_count, sig_size, pos_leave;
12820 klass = method->klass;
12821 image = method->klass->image;
12822 cache = get_cache (&image->thunk_invoke_cache, mono_aligned_addr_hash, NULL);
12824 if ((res = mono_marshal_find_in_cache (cache, method)))
12827 sig = mono_method_signature (method);
12828 mb = mono_mb_new (klass, method->name, MONO_WRAPPER_NATIVE_TO_MANAGED);
12830 /* add "this" and exception param */
12831 param_count = sig->param_count + sig->hasthis + 1;
12833 /* dup & extend signature */
12834 csig = mono_metadata_signature_alloc (image, param_count);
12835 sig_size = MONO_SIZEOF_METHOD_SIGNATURE + sig->param_count * sizeof (MonoType *);
12836 memcpy (csig, sig, sig_size);
12837 csig->param_count = param_count;
12840 csig->call_convention = MONO_CALL_DEFAULT;
12842 if (sig->hasthis) {
12844 csig->params [0] = &klass->byval_arg;
12845 /* move params up by one */
12846 for (i = 0; i < sig->param_count; i++)
12847 csig->params [i + 1] = sig->params [i];
12850 /* setup exception param as byref+[out] */
12851 csig->params [param_count - 1] = mono_metadata_type_dup (image,
12852 &mono_defaults.exception_class->byval_arg);
12853 csig->params [param_count - 1]->byref = 1;
12854 csig->params [param_count - 1]->attrs = PARAM_ATTRIBUTE_OUT;
12856 /* convert struct return to object */
12857 if (MONO_TYPE_ISSTRUCT (sig->ret))
12858 csig->ret = &mono_defaults.object_class->byval_arg;
12860 #ifndef DISABLE_JIT
12861 /* local 0 (temp for exception object) */
12862 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
12864 /* local 1 (temp for result) */
12865 if (!MONO_TYPE_IS_VOID (sig->ret))
12866 mono_mb_add_local (mb, sig->ret);
12868 /* clear exception arg */
12869 mono_mb_emit_ldarg (mb, param_count - 1);
12870 mono_mb_emit_byte (mb, CEE_LDNULL);
12871 mono_mb_emit_byte (mb, CEE_STIND_REF);
12874 clause = mono_image_alloc0 (image, sizeof (MonoExceptionClause));
12875 clause->try_offset = mono_mb_get_label (mb);
12877 /* push method's args */
12878 for (i = 0; i < param_count - 1; i++) {
12882 mono_mb_emit_ldarg (mb, i);
12884 /* get the byval type of the param */
12885 klass = mono_class_from_mono_type (csig->params [i]);
12886 type = &klass->byval_arg;
12888 /* unbox struct args */
12889 if (MONO_TYPE_ISSTRUCT (type)) {
12890 mono_mb_emit_op (mb, CEE_UNBOX, klass);
12892 /* byref args & and the "this" arg must remain a ptr.
12893 Otherwise make a copy of the value type */
12894 if (!(csig->params [i]->byref || (i == 0 && sig->hasthis)))
12895 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
12897 csig->params [i] = &mono_defaults.object_class->byval_arg;
12902 if (method->flags & METHOD_ATTRIBUTE_VIRTUAL)
12903 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
12905 mono_mb_emit_op (mb, CEE_CALL, method);
12907 /* save result at local 1 */
12908 if (!MONO_TYPE_IS_VOID (sig->ret))
12909 mono_mb_emit_stloc (mb, 1);
12911 pos_leave = mono_mb_emit_branch (mb, CEE_LEAVE);
12914 clause->flags = MONO_EXCEPTION_CLAUSE_NONE;
12915 clause->try_len = mono_mb_get_pos (mb) - clause->try_offset;
12916 clause->data.catch_class = mono_defaults.object_class;
12918 clause->handler_offset = mono_mb_get_label (mb);
12920 /* store exception at local 0 */
12921 mono_mb_emit_stloc (mb, 0);
12922 mono_mb_emit_ldarg (mb, param_count - 1);
12923 mono_mb_emit_ldloc (mb, 0);
12924 mono_mb_emit_byte (mb, CEE_STIND_REF);
12925 mono_mb_emit_branch (mb, CEE_LEAVE);
12927 clause->handler_len = mono_mb_get_pos (mb) - clause->handler_offset;
12929 mono_mb_set_clauses (mb, 1, clause);
12931 mono_mb_patch_branch (mb, pos_leave);
12934 if (!MONO_TYPE_IS_VOID (sig->ret)) {
12935 mono_mb_emit_ldloc (mb, 1);
12937 /* box the return value */
12938 if (MONO_TYPE_ISSTRUCT (sig->ret))
12939 mono_mb_emit_op (mb, CEE_BOX, mono_class_from_mono_type (sig->ret));
12942 mono_mb_emit_byte (mb, CEE_RET);
12945 res = mono_mb_create_and_cache (cache, method, mb, csig, param_count + 16);
12952 * mono_marshal_free_dynamic_wrappers:
12954 * Free wrappers of the dynamic method METHOD.
12957 mono_marshal_free_dynamic_wrappers (MonoMethod *method)
12959 MonoImage *image = method->klass->image;
12961 g_assert (method->dynamic);
12963 /* This could be called during shutdown */
12964 if (marshal_mutex_initialized)
12965 mono_marshal_lock ();
12967 * FIXME: We currently leak the wrappers. Freeing them would be tricky as
12968 * they could be shared with other methods ?
12970 if (image->runtime_invoke_direct_cache)
12971 g_hash_table_remove (image->runtime_invoke_direct_cache, method);
12972 if (image->delegate_abstract_invoke_cache)
12973 g_hash_table_foreach_remove (image->delegate_abstract_invoke_cache, signature_method_pair_matches_method, method);
12975 if (marshal_mutex_initialized)
12976 mono_marshal_unlock ();
12980 signature_method_pair_matches_signature (gpointer key, gpointer value, gpointer user_data)
12982 SignatureMethodPair *pair = (SignatureMethodPair*)key;
12983 MonoMethodSignature *sig = (MonoMethodSignature*)user_data;
12985 return mono_metadata_signature_equal (pair->sig, sig);
12989 * mono_marshal_free_inflated_wrappers:
12991 * Free wrappers of the inflated method METHOD.
12994 mono_marshal_free_inflated_wrappers (MonoMethod *method)
12996 MonoMethodSignature *sig = method->signature;
12998 g_assert (method->is_inflated);
13000 /* Ignore calls occuring late during cleanup. */
13001 if (!marshal_mutex_initialized)
13004 mono_marshal_lock ();
13006 * FIXME: We currently leak the wrappers. Freeing them would be tricky as
13007 * they could be shared with other methods ?
13011 * indexed by MonoMethodSignature
13013 /* FIXME: This could remove unrelated wrappers as well */
13014 if (sig && method->klass->image->delegate_begin_invoke_cache)
13015 g_hash_table_remove (method->klass->image->delegate_begin_invoke_cache, sig);
13016 if (sig && method->klass->image->delegate_end_invoke_cache)
13017 g_hash_table_remove (method->klass->image->delegate_end_invoke_cache, sig);
13018 if (sig && method->klass->image->delegate_invoke_cache)
13019 g_hash_table_remove (method->klass->image->delegate_invoke_cache, sig);
13020 if (sig && method->klass->image->runtime_invoke_cache)
13021 g_hash_table_remove (method->klass->image->runtime_invoke_cache, sig);
13022 if (sig && method->klass->image->runtime_invoke_vtype_cache)
13023 g_hash_table_remove (method->klass->image->runtime_invoke_vtype_cache, sig);
13026 * indexed by SignatureMethodPair
13028 if (sig && method->klass->image->delegate_abstract_invoke_cache)
13029 g_hash_table_foreach_remove (method->klass->image->delegate_abstract_invoke_cache,
13030 signature_method_pair_matches_signature, (gpointer)sig);
13033 * indexed by MonoMethod pointers
13035 if (method->klass->image->runtime_invoke_direct_cache)
13036 g_hash_table_remove (method->klass->image->runtime_invoke_direct_cache, method);
13037 if (method->klass->image->managed_wrapper_cache)
13038 g_hash_table_remove (method->klass->image->managed_wrapper_cache, method);
13039 if (method->klass->image->native_wrapper_cache)
13040 g_hash_table_remove (method->klass->image->native_wrapper_cache, method);
13041 if (method->klass->image->remoting_invoke_cache)
13042 g_hash_table_remove (method->klass->image->remoting_invoke_cache, method);
13043 if (method->klass->image->synchronized_cache)
13044 g_hash_table_remove (method->klass->image->synchronized_cache, method);
13045 if (method->klass->image->unbox_wrapper_cache)
13046 g_hash_table_remove (method->klass->image->unbox_wrapper_cache, method);
13047 if (method->klass->image->cominterop_invoke_cache)
13048 g_hash_table_remove (method->klass->image->cominterop_invoke_cache, method);
13049 if (method->klass->image->cominterop_wrapper_cache)
13050 g_hash_table_remove (method->klass->image->cominterop_wrapper_cache, method);
13051 if (method->klass->image->thunk_invoke_cache)
13052 g_hash_table_remove (method->klass->image->thunk_invoke_cache, method);
13053 if (method->klass->image->native_func_wrapper_aot_cache)
13054 g_hash_table_remove (method->klass->image->native_func_wrapper_aot_cache, method);
13056 mono_marshal_unlock ();