2 * marshal.c: Routines for marshaling complex types in P/Invoke methods.
5 * Paolo Molaro (lupus@ximian.com)
7 * Copyright 2002-2003 Ximian, Inc (http://www.ximian.com)
8 * Copyright 2004-2009 Novell, Inc (http://www.novell.com)
9 * Copyright 2011 Xamarin, Inc (http://www.xamarin.com)
21 #include "metadata/marshal.h"
22 #include "metadata/method-builder.h"
23 #include "metadata/tabledefs.h"
24 #include "metadata/exception.h"
25 #include "metadata/appdomain.h"
26 #include "mono/metadata/debug-helpers.h"
27 #include "mono/metadata/threadpool.h"
28 #include "mono/metadata/threads.h"
29 #include "mono/metadata/monitor.h"
30 #include "mono/metadata/metadata-internals.h"
31 #include "mono/metadata/domain-internals.h"
32 #include "mono/metadata/gc-internal.h"
33 #include "mono/metadata/threads-types.h"
34 #include "mono/metadata/string-icalls.h"
35 #include "mono/metadata/attrdefs.h"
36 #include "mono/metadata/gc-internal.h"
37 #include "mono/metadata/cominterop.h"
38 #include "mono/metadata/reflection-internals.h"
39 #include "mono/utils/mono-counters.h"
40 #include "mono/utils/mono-tls.h"
41 #include "mono/utils/mono-memory-model.h"
42 #include "mono/utils/atomic.h"
46 /* #define DEBUG_RUNTIME_CODE */
48 #define OPDEF(a,b,c,d,e,f,g,h,i,j) \
52 MONO_MARSHAL_NONE, /* No marshalling needed */
53 MONO_MARSHAL_COPY, /* Can be copied by value to the new domain */
54 MONO_MARSHAL_COPY_OUT, /* out parameter that needs to be copied back to the original instance */
55 MONO_MARSHAL_SERIALIZE /* Value needs to be serialized into the new domain */
56 } MonoXDomainMarshalType;
59 #include "mono/cil/opcode.def"
64 struct _MonoRemotingMethods {
66 MonoMethod *invoke_with_check;
67 MonoMethod *xdomain_invoke;
68 MonoMethod *xdomain_dispatch;
71 typedef struct _MonoRemotingMethods MonoRemotingMethods;
74 * This mutex protects the various marshalling related caches in MonoImage
75 * and a few other data structures static to this file.
77 * The marshal lock is a non-recursive complex lock that sits below the domain lock in the
78 * runtime locking latice. Which means it can take simple locks suck as the image lock.
80 #define mono_marshal_lock() mono_locks_acquire (&marshal_mutex, MarshalLock)
81 #define mono_marshal_unlock() mono_locks_release (&marshal_mutex, MarshalLock)
82 static CRITICAL_SECTION marshal_mutex;
83 static gboolean marshal_mutex_initialized;
85 static MonoNativeTlsKey last_error_tls_id;
87 static MonoNativeTlsKey load_type_info_tls_id;
89 static gboolean use_aot_wrappers;
92 delegate_hash_table_add (MonoDelegate *d);
95 emit_struct_conv (MonoMethodBuilder *mb, MonoClass *klass, gboolean to_object);
98 emit_struct_conv_full (MonoMethodBuilder *mb, MonoClass *klass, gboolean to_object, MonoMarshalNative string_encoding);
101 mono_struct_delete_old (MonoClass *klass, char *ptr);
104 mono_marshal_string_to_utf16 (MonoString *s);
107 mono_marshal_string_to_utf16_copy (MonoString *s);
110 mono_string_to_lpstr (MonoString *string_obj);
112 static MonoStringBuilder *
113 mono_string_utf8_to_builder2 (char *text);
115 static MonoStringBuilder *
116 mono_string_utf16_to_builder2 (gunichar2 *text);
119 mono_string_new_len_wrapper (const char *text, guint length);
122 mono_string_from_byvalstr (const char *data, int len);
125 mono_string_from_byvalwstr (gunichar2 *data, int len);
128 mono_byvalarray_to_array (MonoArray *arr, gpointer native_arr, MonoClass *eltype, guint32 elnum);
131 mono_byvalarray_to_byte_array (MonoArray *arr, gpointer native_arr, guint32 elnum);
134 mono_array_to_byvalarray (gpointer native_arr, MonoArray *arr, MonoClass *eltype, guint32 elnum);
137 mono_array_to_byte_byvalarray (gpointer native_arr, MonoArray *arr, guint32 elnum);
139 static MonoAsyncResult *
140 mono_delegate_begin_invoke (MonoDelegate *delegate, gpointer *params);
143 mono_delegate_end_invoke (MonoDelegate *delegate, gpointer *params);
146 mono_marshal_xdomain_copy_out_value (MonoObject *src, MonoObject *dst);
149 mono_marshal_set_domain_by_id (gint32 id, MonoBoolean push);
152 mono_marshal_check_domain_image (gint32 domain_id, MonoImage *image);
154 #ifndef DISABLE_REMOTING
156 mono_remoting_wrapper (MonoMethod *method, gpointer *params);
159 mono_upgrade_remote_class_wrapper (MonoReflectionType *rtype, MonoTransparentProxy *tproxy);
163 static MonoReflectionType *
164 type_from_handle (MonoType *handle);
167 mono_marshal_set_last_error_windows (int error);
169 static void init_safe_handle (void);
171 /* MonoMethod pointers to SafeHandle::DangerousAddRef and ::DangerousRelease */
172 static MonoMethod *sh_dangerous_add_ref;
173 static MonoMethod *sh_dangerous_release;
179 sh_dangerous_add_ref = mono_class_get_method_from_name (
180 mono_defaults.safehandle_class, "DangerousAddRef", 1);
181 sh_dangerous_release = mono_class_get_method_from_name (
182 mono_defaults.safehandle_class, "DangerousRelease", 0);
186 register_icall (gpointer func, const char *name, const char *sigstr, gboolean save)
188 MonoMethodSignature *sig = mono_create_icall_signature (sigstr);
190 mono_register_jit_icall (func, name, sig, save);
193 static MonoMethodSignature*
194 signature_dup (MonoImage *image, MonoMethodSignature *sig)
196 MonoMethodSignature *res;
199 res = mono_metadata_signature_alloc (image, sig->param_count);
200 sigsize = MONO_SIZEOF_METHOD_SIGNATURE + sig->param_count * sizeof (MonoType *);
201 memcpy (res, sig, sigsize);
207 mono_signature_no_pinvoke (MonoMethod *method)
209 MonoMethodSignature *sig = mono_method_signature (method);
211 sig = signature_dup (method->klass->image, sig);
212 sig->pinvoke = FALSE;
219 mono_marshal_init_tls (void)
221 mono_native_tls_alloc (&last_error_tls_id, NULL);
222 mono_native_tls_alloc (&load_type_info_tls_id, NULL);
226 mono_marshal_init (void)
228 static gboolean module_initialized = FALSE;
230 if (!module_initialized) {
231 module_initialized = TRUE;
232 InitializeCriticalSection (&marshal_mutex);
233 marshal_mutex_initialized = TRUE;
235 register_icall (ves_icall_System_Threading_Thread_ResetAbort, "ves_icall_System_Threading_Thread_ResetAbort", "void", TRUE);
236 register_icall (mono_marshal_string_to_utf16, "mono_marshal_string_to_utf16", "ptr obj", FALSE);
237 register_icall (mono_marshal_string_to_utf16_copy, "mono_marshal_string_to_utf16_copy", "ptr obj", FALSE);
238 register_icall (mono_string_to_utf16, "mono_string_to_utf16", "ptr obj", FALSE);
239 register_icall (mono_string_from_utf16, "mono_string_from_utf16", "obj ptr", FALSE);
240 register_icall (mono_string_from_byvalstr, "mono_string_from_byvalstr", "obj ptr int", FALSE);
241 register_icall (mono_string_from_byvalwstr, "mono_string_from_byvalwstr", "obj ptr int", FALSE);
242 register_icall (mono_string_new_wrapper, "mono_string_new_wrapper", "obj ptr", FALSE);
243 register_icall (mono_string_new_len_wrapper, "mono_string_new_len_wrapper", "obj ptr int", FALSE);
244 register_icall (mono_string_to_utf8, "mono_string_to_utf8", "ptr obj", FALSE);
245 register_icall (mono_string_to_lpstr, "mono_string_to_lpstr", "ptr obj", FALSE);
246 register_icall (mono_string_to_ansibstr, "mono_string_to_ansibstr", "ptr object", FALSE);
247 register_icall (mono_string_builder_to_utf8, "mono_string_builder_to_utf8", "ptr object", FALSE);
248 register_icall (mono_string_builder_to_utf16, "mono_string_builder_to_utf16", "ptr object", FALSE);
249 register_icall (mono_array_to_savearray, "mono_array_to_savearray", "ptr object", FALSE);
250 register_icall (mono_array_to_lparray, "mono_array_to_lparray", "ptr object", FALSE);
251 register_icall (mono_free_lparray, "mono_free_lparray", "void object ptr", FALSE);
252 register_icall (mono_byvalarray_to_array, "mono_byvalarray_to_array", "void object ptr ptr int32", FALSE);
253 register_icall (mono_byvalarray_to_byte_array, "mono_byvalarray_to_byte_array", "void object ptr int32", FALSE);
254 register_icall (mono_array_to_byvalarray, "mono_array_to_byvalarray", "void ptr object ptr int32", FALSE);
255 register_icall (mono_array_to_byte_byvalarray, "mono_array_to_byte_byvalarray", "void ptr object int32", FALSE);
256 register_icall (mono_delegate_to_ftnptr, "mono_delegate_to_ftnptr", "ptr object", FALSE);
257 register_icall (mono_ftnptr_to_delegate, "mono_ftnptr_to_delegate", "object ptr ptr", FALSE);
258 register_icall (mono_marshal_asany, "mono_marshal_asany", "ptr object int32 int32", FALSE);
259 register_icall (mono_marshal_free_asany, "mono_marshal_free_asany", "void object ptr int32 int32", FALSE);
260 register_icall (mono_marshal_alloc, "mono_marshal_alloc", "ptr int32", FALSE);
261 register_icall (mono_marshal_free, "mono_marshal_free", "void ptr", FALSE);
262 register_icall (mono_marshal_set_last_error, "mono_marshal_set_last_error", "void", FALSE);
263 register_icall (mono_marshal_set_last_error_windows, "mono_marshal_set_last_error_windows", "void int32", FALSE);
264 register_icall (mono_string_utf8_to_builder, "mono_string_utf8_to_builder", "void ptr ptr", FALSE);
265 register_icall (mono_string_utf8_to_builder2, "mono_string_utf8_to_builder2", "object ptr", FALSE);
266 register_icall (mono_string_utf16_to_builder, "mono_string_utf16_to_builder", "void ptr ptr", FALSE);
267 register_icall (mono_string_utf16_to_builder2, "mono_string_utf16_to_builder2", "object ptr", FALSE);
268 register_icall (mono_marshal_free_array, "mono_marshal_free_array", "void ptr int32", FALSE);
269 register_icall (mono_string_to_byvalstr, "mono_string_to_byvalstr", "void ptr ptr int32", FALSE);
270 register_icall (mono_string_to_byvalwstr, "mono_string_to_byvalwstr", "void ptr ptr int32", FALSE);
271 register_icall (g_free, "g_free", "void ptr", FALSE);
272 register_icall (mono_object_isinst, "mono_object_isinst", "object object ptr", FALSE);
273 register_icall (mono_struct_delete_old, "mono_struct_delete_old", "void ptr ptr", FALSE);
274 register_icall (mono_delegate_begin_invoke, "mono_delegate_begin_invoke", "object object ptr", FALSE);
275 register_icall (mono_delegate_end_invoke, "mono_delegate_end_invoke", "object object ptr", FALSE);
276 register_icall (mono_marshal_xdomain_copy_value, "mono_marshal_xdomain_copy_value", "object object", FALSE);
277 register_icall (mono_marshal_xdomain_copy_out_value, "mono_marshal_xdomain_copy_out_value", "void object object", FALSE);
278 register_icall (mono_marshal_set_domain_by_id, "mono_marshal_set_domain_by_id", "int32 int32 int32", FALSE);
279 register_icall (mono_marshal_check_domain_image, "mono_marshal_check_domain_image", "int32 int32 ptr", FALSE);
280 register_icall (mono_compile_method, "mono_compile_method", "ptr ptr", FALSE);
281 register_icall (mono_context_get, "mono_context_get", "object", FALSE);
282 register_icall (mono_context_set, "mono_context_set", "void object", FALSE);
283 register_icall (type_from_handle, "type_from_handle", "object ptr", FALSE);
284 register_icall (mono_gc_wbarrier_generic_nostore, "wb_generic", "void ptr", FALSE);
285 register_icall (mono_gchandle_get_target, "mono_gchandle_get_target", "object int32", TRUE);
287 #ifndef DISABLE_REMOTING
288 register_icall (mono_remoting_wrapper, "mono_remoting_wrapper", "object ptr ptr", FALSE);
289 register_icall (mono_upgrade_remote_class_wrapper, "mono_upgrade_remote_class_wrapper", "void object object", FALSE);
291 mono_cominterop_init ();
296 mono_marshal_cleanup (void)
298 mono_cominterop_cleanup ();
300 mono_native_tls_free (load_type_info_tls_id);
301 mono_native_tls_free (last_error_tls_id);
302 DeleteCriticalSection (&marshal_mutex);
303 marshal_mutex_initialized = FALSE;
306 #ifndef DISABLE_REMOTING
307 static MonoClass *byte_array_class;
308 static MonoMethod *method_rs_serialize, *method_rs_deserialize, *method_exc_fixexc, *method_rs_appdomain_target;
309 static MonoMethod *method_set_call_context, *method_needs_context_sink, *method_rs_serialize_exc;
312 mono_remoting_marshal_init (void)
316 static gboolean module_initialized = FALSE;
318 if (!module_initialized) {
319 klass = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting", "RemotingServices");
320 method_rs_serialize = mono_class_get_method_from_name (klass, "SerializeCallData", -1);
321 method_rs_deserialize = mono_class_get_method_from_name (klass, "DeserializeCallData", -1);
322 method_rs_serialize_exc = mono_class_get_method_from_name (klass, "SerializeExceptionData", -1);
324 klass = mono_defaults.real_proxy_class;
325 method_rs_appdomain_target = mono_class_get_method_from_name (klass, "GetAppDomainTarget", -1);
327 klass = mono_defaults.exception_class;
328 method_exc_fixexc = mono_class_get_method_from_name (klass, "FixRemotingException", -1);
330 byte_array_class = mono_array_class_get (mono_defaults.byte_class, 1);
332 klass = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting.Messaging", "CallContext");
333 method_set_call_context = mono_class_get_method_from_name (klass, "SetCurrentCallContext", -1);
335 klass = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting.Contexts", "Context");
336 method_needs_context_sink = mono_class_get_method_from_name (klass, "get_NeedsContextSink", -1);
338 module_initialized = TRUE;
344 mono_delegate_to_ftnptr (MonoDelegate *delegate)
346 MonoMethod *method, *wrapper;
348 uint32_t target_handle = 0;
353 if (delegate->delegate_trampoline)
354 return delegate->delegate_trampoline;
356 klass = ((MonoObject *)delegate)->vtable->klass;
357 g_assert (klass->delegate);
359 method = delegate->method;
361 if (mono_method_signature (method)->pinvoke) {
362 const char *exc_class, *exc_arg;
365 ftnptr = mono_lookup_pinvoke_call (method, &exc_class, &exc_arg);
367 g_assert (exc_class);
368 mono_raise_exception (mono_exception_from_name_msg (mono_defaults.corlib, "System", exc_class, exc_arg));
373 if (delegate->target) {
374 /* Produce a location which can be embedded in JITted code */
375 target_handle = mono_gchandle_new_weakref (delegate->target, FALSE);
378 wrapper = mono_marshal_get_managed_wrapper (method, klass, target_handle);
380 delegate->delegate_trampoline = mono_compile_method (wrapper);
382 // Add the delegate to the delegate hash table
383 delegate_hash_table_add (delegate);
385 /* when the object is collected, collect the dynamic method, too */
386 mono_object_register_finalizer ((MonoObject*)delegate);
388 return delegate->delegate_trampoline;
392 * this hash table maps from a delegate trampoline object to a weak reference
393 * of the delegate. As an optimizations with a non-moving GC we store the
394 * object pointer itself, otherwise we use a GC handle.
396 static GHashTable *delegate_hash_table;
399 delegate_hash_table_new (void) {
400 return g_hash_table_new (NULL, NULL);
404 delegate_hash_table_remove (MonoDelegate *d)
406 guint32 gchandle = 0;
408 mono_marshal_lock ();
409 if (delegate_hash_table == NULL)
410 delegate_hash_table = delegate_hash_table_new ();
411 if (mono_gc_is_moving ())
412 gchandle = GPOINTER_TO_UINT (g_hash_table_lookup (delegate_hash_table, d->delegate_trampoline));
413 g_hash_table_remove (delegate_hash_table, d->delegate_trampoline);
414 mono_marshal_unlock ();
415 if (mono_gc_is_moving ())
416 mono_gchandle_free (gchandle);
420 delegate_hash_table_add (MonoDelegate *d)
423 guint32 old_gchandle;
425 mono_marshal_lock ();
426 if (delegate_hash_table == NULL)
427 delegate_hash_table = delegate_hash_table_new ();
428 if (mono_gc_is_moving ()) {
429 gchandle = mono_gchandle_new_weakref ((MonoObject*)d, FALSE);
430 old_gchandle = GPOINTER_TO_UINT (g_hash_table_lookup (delegate_hash_table, d->delegate_trampoline));
431 g_hash_table_insert (delegate_hash_table, d->delegate_trampoline, GUINT_TO_POINTER (gchandle));
433 mono_gchandle_free (old_gchandle);
435 g_hash_table_insert (delegate_hash_table, d->delegate_trampoline, d);
437 mono_marshal_unlock ();
441 * mono_marshal_use_aot_wrappers:
443 * Instructs this module to use AOT compatible wrappers.
446 mono_marshal_use_aot_wrappers (gboolean use)
448 use_aot_wrappers = use;
452 parse_unmanaged_function_pointer_attr (MonoClass *klass, MonoMethodPInvoke *piinfo)
454 static MonoClass *UnmanagedFunctionPointerAttribute;
455 MonoCustomAttrInfo *cinfo;
456 MonoReflectionUnmanagedFunctionPointerAttribute *attr;
458 if (!UnmanagedFunctionPointerAttribute)
459 UnmanagedFunctionPointerAttribute = mono_class_from_name (mono_defaults.corlib, "System.Runtime.InteropServices", "UnmanagedFunctionPointerAttribute");
461 /* The attribute is only available in Net 2.0 */
462 if (UnmanagedFunctionPointerAttribute) {
464 * The pinvoke attributes are stored in a real custom attribute so we have to
467 cinfo = mono_custom_attrs_from_class (klass);
468 if (cinfo && !mono_runtime_get_no_exec ()) {
470 attr = (MonoReflectionUnmanagedFunctionPointerAttribute*)mono_custom_attrs_get_attr_checked (cinfo, UnmanagedFunctionPointerAttribute, &error);
472 piinfo->piflags = (attr->call_conv << 8) | (attr->charset ? (attr->charset - 1) * 2 : 1) | attr->set_last_error;
474 if (!mono_error_ok (&error)) {
475 g_warning ("Could not load UnmanagedFunctionPointerAttribute due to %s", mono_error_get_message (&error));
476 mono_error_cleanup (&error);
480 mono_custom_attrs_free (cinfo);
486 mono_ftnptr_to_delegate (MonoClass *klass, gpointer ftn)
494 mono_marshal_lock ();
495 if (delegate_hash_table == NULL)
496 delegate_hash_table = delegate_hash_table_new ();
498 if (mono_gc_is_moving ()) {
499 gchandle = GPOINTER_TO_UINT (g_hash_table_lookup (delegate_hash_table, ftn));
500 mono_marshal_unlock ();
502 d = (MonoDelegate*)mono_gchandle_get_target (gchandle);
506 d = g_hash_table_lookup (delegate_hash_table, ftn);
507 mono_marshal_unlock ();
510 /* This is a native function, so construct a delegate for it */
511 MonoMethodSignature *sig;
513 MonoMarshalSpec **mspecs;
514 MonoMethod *invoke = mono_get_delegate_invoke (klass);
515 MonoMethodPInvoke piinfo;
519 if (use_aot_wrappers) {
520 wrapper = mono_marshal_get_native_func_wrapper_aot (klass);
521 this = mono_value_box (mono_domain_get (), mono_defaults.int_class, &ftn);
523 memset (&piinfo, 0, sizeof (piinfo));
524 parse_unmanaged_function_pointer_attr (klass, &piinfo);
526 mspecs = g_new0 (MonoMarshalSpec*, mono_method_signature (invoke)->param_count + 1);
527 mono_method_get_marshal_info (invoke, mspecs);
528 /* Freed below so don't alloc from mempool */
529 sig = mono_metadata_signature_dup (mono_method_signature (invoke));
532 wrapper = mono_marshal_get_native_func_wrapper (klass->image, sig, &piinfo, mspecs, ftn);
535 for (i = mono_method_signature (invoke)->param_count; i >= 0; i--)
537 mono_metadata_free_marshal_spec (mspecs [i]);
542 d = (MonoDelegate*)mono_object_new (mono_domain_get (), klass);
543 mono_delegate_ctor_with_method ((MonoObject*)d, this, mono_compile_method (wrapper), wrapper);
546 if (d->object.vtable->domain != mono_domain_get ())
547 mono_raise_exception (mono_get_exception_not_supported ("Delegates cannot be marshalled from native code into a domain other than their home domain"));
553 mono_delegate_free_ftnptr (MonoDelegate *delegate)
558 delegate_hash_table_remove (delegate);
560 ptr = (gpointer)InterlockedExchangePointer (&delegate->delegate_trampoline, NULL);
562 if (!delegate->target) {
563 /* The wrapper method is shared between delegates -> no need to free it */
572 ji = mono_jit_info_table_find (mono_domain_get (), mono_get_addr_from_ftnptr (ptr));
575 method = mono_jit_info_get_method (ji);
576 method_data = ((MonoMethodWrapper*)method)->method_data;
578 /*the target gchandle is the first entry after size and the wrapper itself.*/
579 gchandle = GPOINTER_TO_UINT (method_data [2]);
582 mono_gchandle_free (gchandle);
584 mono_runtime_free_method (mono_object_domain (delegate), method);
589 mono_string_from_byvalstr (const char *data, int max_len)
591 MonoDomain *domain = mono_domain_get ();
597 while (len < max_len - 1 && data [len])
600 return mono_string_new_len (domain, data, len);
604 mono_string_from_byvalwstr (gunichar2 *data, int max_len)
606 MonoDomain *domain = mono_domain_get ();
612 while (data [len]) len++;
614 return mono_string_new_utf16 (domain, data, MIN (len, max_len));
618 mono_array_to_savearray (MonoArray *array)
623 g_assert_not_reached ();
628 mono_array_to_lparray (MonoArray *array)
631 gpointer *nativeArray = NULL;
632 int nativeArraySize = 0;
642 klass = array->obj.vtable->klass;
644 switch (klass->element_class->byval_arg.type) {
646 g_assert_not_reached ();
648 case MONO_TYPE_CLASS:
649 nativeArraySize = array->max_length;
650 nativeArray = malloc(sizeof(gpointer) * nativeArraySize);
651 for(i = 0; i < nativeArraySize; ++i)
652 nativeArray[i] = ves_icall_System_Runtime_InteropServices_Marshal_GetIUnknownForObjectInternal(((gpointer*)array->vector)[i]);
655 case MONO_TYPE_BOOLEAN:
668 case MONO_TYPE_VALUETYPE:
672 case MONO_TYPE_GENERICINST:
673 case MONO_TYPE_OBJECT:
674 case MONO_TYPE_ARRAY:
675 case MONO_TYPE_SZARRAY:
676 case MONO_TYPE_STRING:
678 g_warning ("type 0x%x not handled", klass->element_class->byval_arg.type);
679 g_assert_not_reached ();
682 return array->vector;
686 mono_free_lparray (MonoArray *array, gpointer* nativeArray)
697 klass = array->obj.vtable->klass;
699 switch (klass->element_class->byval_arg.type) {
700 case MONO_TYPE_CLASS:
701 for(i = 0; i < array->max_length; ++i)
702 mono_marshal_free_ccw(nativeArray[i]);
710 mono_byvalarray_to_array (MonoArray *arr, gpointer native_arr, MonoClass *elclass, guint32 elnum)
712 g_assert (arr->obj.vtable->klass->element_class == mono_defaults.char_class);
714 if (elclass == mono_defaults.byte_class) {
715 GError *error = NULL;
719 ut = g_utf8_to_utf16 (native_arr, elnum, NULL, &items_written, &error);
722 memcpy (mono_array_addr (arr, guint16, 0), ut, items_written * sizeof (guint16));
726 g_error_free (error);
729 g_assert_not_reached ();
733 mono_byvalarray_to_byte_array (MonoArray *arr, gpointer native_arr, guint32 elnum)
735 mono_byvalarray_to_array (arr, native_arr, mono_defaults.byte_class, elnum);
739 mono_array_to_byvalarray (gpointer native_arr, MonoArray *arr, MonoClass *elclass, guint32 elnum)
741 g_assert (arr->obj.vtable->klass->element_class == mono_defaults.char_class);
743 if (elclass == mono_defaults.byte_class) {
745 GError *error = NULL;
747 as = g_utf16_to_utf8 (mono_array_addr (arr, gunichar2, 0), mono_array_length (arr), NULL, NULL, &error);
749 MonoException *exc = mono_get_exception_argument ("string", error->message);
750 g_error_free (error);
751 mono_raise_exception (exc);
754 memcpy (native_arr, as, MIN (strlen (as), elnum));
757 g_assert_not_reached ();
762 mono_array_to_byte_byvalarray (gpointer native_arr, MonoArray *arr, guint32 elnum)
764 mono_array_to_byvalarray (native_arr, arr, mono_defaults.byte_class, elnum);
768 mono_string_utf8_to_builder (MonoStringBuilder *sb, char *text)
770 GError *error = NULL;
780 ut = g_utf8_to_utf16 (text, l, NULL, &items_written, &error);
782 if (items_written > mono_stringbuilder_capacity (sb))
783 items_written = mono_stringbuilder_capacity (sb);
786 if (! sb->str || sb->str == sb->cached_str)
787 MONO_OBJECT_SETREF (sb, str, mono_string_new_size (mono_domain_get (), items_written));
789 memcpy (mono_string_chars (sb->str), ut, items_written * 2);
790 sb->length = items_written;
791 sb->cached_str = NULL;
793 g_error_free (error);
799 mono_string_utf8_to_builder2 (char *text)
802 MonoStringBuilder *sb;
803 static MonoClass *string_builder_class;
804 static MonoMethod *sb_ctor;
811 if (!string_builder_class) {
812 MonoMethodDesc *desc;
814 string_builder_class = mono_class_from_name (mono_defaults.corlib, "System.Text", "StringBuilder");
815 g_assert (string_builder_class);
816 desc = mono_method_desc_new (":.ctor(int)", FALSE);
817 sb_ctor = mono_method_desc_search_in_class (desc, string_builder_class);
819 mono_method_desc_free (desc);
824 sb = (MonoStringBuilder*)mono_object_new (mono_domain_get (), string_builder_class);
827 mono_runtime_invoke (sb_ctor, sb, args, &exc);
830 mono_string_utf8_to_builder (sb, text);
836 * FIXME: This routine does not seem to do what it seems to do
837 * the @text is never copied into the string builder
840 mono_string_utf16_to_builder (MonoStringBuilder *sb, gunichar2 *text)
847 g_assert (mono_string_chars (sb->str) == text);
849 for (len = 0; text [len] != 0; ++len)
856 mono_string_utf16_to_builder2 (gunichar2 *text)
859 MonoStringBuilder *sb;
860 static MonoClass *string_builder_class;
861 static MonoMethod *sb_ctor;
868 if (!string_builder_class) {
869 MonoMethodDesc *desc;
871 string_builder_class = mono_class_from_name (mono_defaults.corlib, "System.Text", "StringBuilder");
872 g_assert (string_builder_class);
873 desc = mono_method_desc_new (":.ctor(int)", FALSE);
874 sb_ctor = mono_method_desc_search_in_class (desc, string_builder_class);
876 mono_method_desc_free (desc);
879 for (len = 0; text [len] != 0; ++len)
882 sb = (MonoStringBuilder*)mono_object_new (mono_domain_get (), string_builder_class);
885 mono_runtime_invoke (sb_ctor, sb, args, &exc);
889 memcpy (mono_string_chars (sb->str), text, len * 2);
895 * mono_string_builder_to_utf8:
896 * @sb: the string builder
898 * Converts to utf8 the contents of the MonoStringBuilder.
900 * Returns: a utf8 string with the contents of the StringBuilder.
902 * The return value must be released with g_free.
905 mono_string_builder_to_utf8 (MonoStringBuilder *sb)
907 GError *error = NULL;
908 gchar *tmp, *res = NULL;
913 if ((sb->str == sb->cached_str) && (sb->str->length == 0)) {
915 * The sb could have been allocated with the default capacity and be empty.
916 * we need to alloc a buffer of the default capacity in this case.
918 MONO_OBJECT_SETREF (sb, str, mono_string_new_size (mono_domain_get (), 16));
919 sb->cached_str = NULL;
922 tmp = g_utf16_to_utf8 (mono_string_chars (sb->str), sb->length, NULL, NULL, &error);
924 g_error_free (error);
925 mono_raise_exception (mono_get_exception_execution_engine ("Failed to convert StringBuilder from utf16 to utf8"));
927 res = mono_marshal_alloc (mono_stringbuilder_capacity (sb) + 1);
928 memcpy (res, tmp, sb->length + 1);
936 * mono_string_builder_to_utf16:
937 * @sb: the string builder
939 * Converts to utf16 the contents of the MonoStringBuilder.
941 * Returns: a utf16 string with the contents of the StringBuilder.
943 * The return value must not be freed.
946 mono_string_builder_to_utf16 (MonoStringBuilder *sb)
954 * The stringbuilder might not have ownership of this string. If this is
955 * the case, we must duplicate the string, so that we don't munge immutable
958 if (sb->str == sb->cached_str) {
960 * The sb could have been allocated with the default capacity and be empty.
961 * we need to alloc a buffer of the default capacity in this case.
963 if (sb->str->length == 0)
964 MONO_OBJECT_SETREF (sb, str, mono_string_new_size (mono_domain_get (), 16));
966 MONO_OBJECT_SETREF (sb, str, mono_string_new_utf16 (mono_domain_get (), mono_string_chars (sb->str), mono_stringbuilder_capacity (sb)));
967 sb->cached_str = NULL;
971 *(mono_string_chars (sb->str)) = '\0';
973 return mono_string_chars (sb->str);
977 mono_string_to_lpstr (MonoString *s)
982 GError *error = NULL;
988 as = CoTaskMemAlloc (1);
993 tmp = g_utf16_to_utf8 (mono_string_chars (s), s->length, NULL, &len, &error);
995 MonoException *exc = mono_get_exception_argument ("string", error->message);
996 g_error_free (error);
997 mono_raise_exception(exc);
1000 as = CoTaskMemAlloc (len + 1);
1001 memcpy (as, tmp, len + 1);
1006 return mono_string_to_utf8 (s);
1011 mono_string_to_ansibstr (MonoString *string_obj)
1013 g_error ("UnmanagedMarshal.BStr is not implemented.");
1018 * mono_string_to_byvalstr:
1019 * @dst: Where to store the null-terminated utf8 decoded string.
1020 * @src: the MonoString to copy.
1021 * @size: the maximum number of bytes to copy.
1023 * Copies the MonoString pointed to by @src as a utf8 string
1024 * into @dst, it copies at most @size bytes into the destination.
1027 mono_string_to_byvalstr (gpointer dst, MonoString *src, int size)
1032 g_assert (dst != NULL);
1033 g_assert (size > 0);
1035 memset (dst, 0, size);
1039 s = mono_string_to_utf8 (src);
1040 len = MIN (size, strlen (s));
1043 memcpy (dst, s, len);
1048 * mono_string_to_byvalwstr:
1049 * @dst: Where to store the null-terminated utf16 decoded string.
1050 * @src: the MonoString to copy.
1051 * @size: the maximum number of bytes to copy.
1053 * Copies the MonoString pointed to by @src as a utf16 string into
1054 * @dst, it copies at most @size bytes into the destination (including
1055 * a terminating 16-bit zero terminator).
1058 mono_string_to_byvalwstr (gpointer dst, MonoString *src, int size)
1062 g_assert (dst != NULL);
1063 g_assert (size > 1);
1066 memset (dst, 0, size * 2);
1070 len = MIN (size, (mono_string_length (src)));
1071 memcpy (dst, mono_string_chars (src), size * 2);
1072 if (size <= mono_string_length (src))
1074 *((gunichar2 *) dst + len) = 0;
1078 mono_string_new_len_wrapper (const char *text, guint length)
1080 return mono_string_new_len (mono_domain_get (), text, length);
1084 #ifndef DISABLE_REMOTING
1086 mono_mb_emit_proxy_check (MonoMethodBuilder *mb, int branch_code)
1089 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
1090 mono_mb_emit_byte (mb, CEE_LDIND_I);
1091 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoVTable, klass));
1092 mono_mb_emit_byte (mb, CEE_ADD);
1093 mono_mb_emit_byte (mb, CEE_LDIND_I);
1094 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1095 mono_mb_emit_byte (mb, CEE_MONO_CLASSCONST);
1096 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_defaults.transparent_proxy_class));
1097 pos = mono_mb_emit_branch (mb, branch_code);
1102 mono_mb_emit_xdomain_check (MonoMethodBuilder *mb, int branch_code)
1105 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
1106 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1107 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoRealProxy, target_domain_id));
1108 mono_mb_emit_byte (mb, CEE_LDIND_I4);
1109 mono_mb_emit_icon (mb, -1);
1110 pos = mono_mb_emit_branch (mb, branch_code);
1115 mono_mb_emit_contextbound_check (MonoMethodBuilder *mb, int branch_code)
1117 static int offset = -1;
1121 mono_marshal_find_bitfield_offset (MonoClass, contextbound, &offset, &mask);
1123 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, remote_class));
1124 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1125 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoRemoteClass, proxy_class));
1126 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1127 mono_mb_emit_ldflda (mb, offset);
1128 mono_mb_emit_byte (mb, CEE_LDIND_U1);
1129 mono_mb_emit_icon (mb, mask);
1130 mono_mb_emit_byte (mb, CEE_AND);
1131 mono_mb_emit_icon (mb, 0);
1132 return mono_mb_emit_branch (mb, branch_code);
1134 #endif /* DISABLE_REMOTING */
1137 * mono_mb_emit_exception_marshal_directive:
1139 * This function assumes ownership of MSG, which should be malloc-ed.
1142 mono_mb_emit_exception_marshal_directive (MonoMethodBuilder *mb, char *msg)
1147 s = mono_image_strdup (mb->method->klass->image, msg);
1152 mono_mb_emit_exception_full (mb, "System.Runtime.InteropServices", "MarshalDirectiveException", s);
1155 #endif /* !DISABLE_JIT */
1158 mono_type_to_ldind (MonoType *type)
1164 switch (type->type) {
1166 return CEE_LDIND_I1;
1168 case MONO_TYPE_BOOLEAN:
1169 return CEE_LDIND_U1;
1171 return CEE_LDIND_I2;
1173 case MONO_TYPE_CHAR:
1174 return CEE_LDIND_U2;
1176 return CEE_LDIND_I4;
1178 return CEE_LDIND_U4;
1182 case MONO_TYPE_FNPTR:
1184 case MONO_TYPE_CLASS:
1185 case MONO_TYPE_STRING:
1186 case MONO_TYPE_OBJECT:
1187 case MONO_TYPE_SZARRAY:
1188 case MONO_TYPE_ARRAY:
1189 return CEE_LDIND_REF;
1192 return CEE_LDIND_I8;
1194 return CEE_LDIND_R4;
1196 return CEE_LDIND_R8;
1197 case MONO_TYPE_VALUETYPE:
1198 if (type->data.klass->enumtype) {
1199 type = mono_class_enum_basetype (type->data.klass);
1203 case MONO_TYPE_TYPEDBYREF:
1205 case MONO_TYPE_GENERICINST:
1206 type = &type->data.generic_class->container_class->byval_arg;
1209 g_error ("unknown type 0x%02x in type_to_ldind", type->type);
1215 mono_type_to_stind (MonoType *type)
1221 switch (type->type) {
1224 case MONO_TYPE_BOOLEAN:
1225 return CEE_STIND_I1;
1228 case MONO_TYPE_CHAR:
1229 return CEE_STIND_I2;
1232 return CEE_STIND_I4;
1236 case MONO_TYPE_FNPTR:
1238 case MONO_TYPE_CLASS:
1239 case MONO_TYPE_STRING:
1240 case MONO_TYPE_OBJECT:
1241 case MONO_TYPE_SZARRAY:
1242 case MONO_TYPE_ARRAY:
1243 return CEE_STIND_REF;
1246 return CEE_STIND_I8;
1248 return CEE_STIND_R4;
1250 return CEE_STIND_R8;
1251 case MONO_TYPE_VALUETYPE:
1252 if (type->data.klass->enumtype) {
1253 type = mono_class_enum_basetype (type->data.klass);
1257 case MONO_TYPE_TYPEDBYREF:
1259 case MONO_TYPE_GENERICINST:
1260 type = &type->data.generic_class->container_class->byval_arg;
1263 g_error ("unknown type 0x%02x in type_to_stind", type->type);
1271 emit_ptr_to_object_conv (MonoMethodBuilder *mb, MonoType *type, MonoMarshalConv conv, MonoMarshalSpec *mspec)
1274 case MONO_MARSHAL_CONV_BOOL_I4:
1275 mono_mb_emit_ldloc (mb, 1);
1276 mono_mb_emit_ldloc (mb, 0);
1277 mono_mb_emit_byte (mb, CEE_LDIND_I4);
1278 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
1279 mono_mb_emit_byte (mb, 3);
1280 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
1281 mono_mb_emit_byte (mb, CEE_BR_S);
1282 mono_mb_emit_byte (mb, 1);
1283 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
1284 mono_mb_emit_byte (mb, CEE_STIND_I1);
1286 case MONO_MARSHAL_CONV_BOOL_VARIANTBOOL:
1287 mono_mb_emit_ldloc (mb, 1);
1288 mono_mb_emit_ldloc (mb, 0);
1289 mono_mb_emit_byte (mb, CEE_LDIND_I2);
1290 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
1291 mono_mb_emit_byte (mb, 3);
1292 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
1293 mono_mb_emit_byte (mb, CEE_BR_S);
1294 mono_mb_emit_byte (mb, 1);
1295 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
1296 mono_mb_emit_byte (mb, CEE_STIND_I1);
1298 case MONO_MARSHAL_CONV_ARRAY_BYVALARRAY: {
1299 MonoClass *eklass = NULL;
1302 if (type->type == MONO_TYPE_SZARRAY) {
1303 eklass = type->data.klass;
1305 g_assert_not_reached ();
1308 esize = mono_class_native_size (eklass, NULL);
1310 /* create a new array */
1311 mono_mb_emit_ldloc (mb, 1);
1312 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1313 mono_mb_emit_op (mb, CEE_NEWARR, eklass);
1314 mono_mb_emit_byte (mb, CEE_STIND_I);
1316 if (eklass->blittable) {
1317 /* copy the elements */
1318 mono_mb_emit_ldloc (mb, 1);
1319 mono_mb_emit_byte (mb, CEE_LDIND_I);
1320 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArray, vector));
1321 mono_mb_emit_byte (mb, CEE_ADD);
1322 mono_mb_emit_ldloc (mb, 0);
1323 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem * esize);
1324 mono_mb_emit_byte (mb, CEE_PREFIX1);
1325 mono_mb_emit_byte (mb, CEE_CPBLK);
1328 int array_var, src_var, dst_var, index_var;
1329 guint32 label2, label3;
1331 array_var = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
1332 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1333 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1336 mono_mb_emit_ldloc (mb, 1);
1337 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1338 mono_mb_emit_stloc (mb, array_var);
1340 /* save the old src pointer */
1341 mono_mb_emit_ldloc (mb, 0);
1342 mono_mb_emit_stloc (mb, src_var);
1343 /* save the old dst pointer */
1344 mono_mb_emit_ldloc (mb, 1);
1345 mono_mb_emit_stloc (mb, dst_var);
1347 /* Emit marshalling loop */
1348 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1349 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
1350 mono_mb_emit_stloc (mb, index_var);
1353 label2 = mono_mb_get_label (mb);
1354 mono_mb_emit_ldloc (mb, index_var);
1355 mono_mb_emit_ldloc (mb, array_var);
1356 mono_mb_emit_byte (mb, CEE_LDLEN);
1357 label3 = mono_mb_emit_branch (mb, CEE_BGE);
1359 /* src is already set */
1362 mono_mb_emit_ldloc (mb, array_var);
1363 mono_mb_emit_ldloc (mb, index_var);
1364 mono_mb_emit_op (mb, CEE_LDELEMA, eklass);
1365 mono_mb_emit_stloc (mb, 1);
1367 /* Do the conversion */
1368 emit_struct_conv (mb, eklass, TRUE);
1371 mono_mb_emit_add_to_local (mb, index_var, 1);
1373 mono_mb_emit_branch_label (mb, CEE_BR, label2);
1375 mono_mb_patch_branch (mb, label3);
1377 /* restore the old src pointer */
1378 mono_mb_emit_ldloc (mb, src_var);
1379 mono_mb_emit_stloc (mb, 0);
1380 /* restore the old dst pointer */
1381 mono_mb_emit_ldloc (mb, dst_var);
1382 mono_mb_emit_stloc (mb, 1);
1386 case MONO_MARSHAL_CONV_ARRAY_BYVALCHARARRAY: {
1387 MonoClass *eclass = mono_defaults.char_class;
1389 /* create a new array */
1390 mono_mb_emit_ldloc (mb, 1);
1391 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1392 mono_mb_emit_op (mb, CEE_NEWARR, eclass);
1393 mono_mb_emit_byte (mb, CEE_STIND_REF);
1395 mono_mb_emit_ldloc (mb, 1);
1396 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1397 mono_mb_emit_ldloc (mb, 0);
1398 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1399 mono_mb_emit_icall (mb, mono_byvalarray_to_byte_array);
1402 case MONO_MARSHAL_CONV_STR_BYVALSTR:
1403 if (mspec && mspec->native == MONO_NATIVE_BYVALTSTR && mspec->data.array_data.num_elem) {
1404 mono_mb_emit_ldloc (mb, 1);
1405 mono_mb_emit_ldloc (mb, 0);
1406 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1407 mono_mb_emit_icall (mb, mono_string_from_byvalstr);
1409 mono_mb_emit_ldloc (mb, 1);
1410 mono_mb_emit_ldloc (mb, 0);
1411 mono_mb_emit_icall (mb, mono_string_new_wrapper);
1413 mono_mb_emit_byte (mb, CEE_STIND_REF);
1415 case MONO_MARSHAL_CONV_STR_BYVALWSTR:
1416 if (mspec && mspec->native == MONO_NATIVE_BYVALTSTR && mspec->data.array_data.num_elem) {
1417 mono_mb_emit_ldloc (mb, 1);
1418 mono_mb_emit_ldloc (mb, 0);
1419 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1420 mono_mb_emit_icall (mb, mono_string_from_byvalwstr);
1422 mono_mb_emit_ldloc (mb, 1);
1423 mono_mb_emit_ldloc (mb, 0);
1424 mono_mb_emit_icall (mb, mono_string_from_utf16);
1426 mono_mb_emit_byte (mb, CEE_STIND_REF);
1428 case MONO_MARSHAL_CONV_STR_LPTSTR:
1429 mono_mb_emit_ldloc (mb, 1);
1430 mono_mb_emit_ldloc (mb, 0);
1431 mono_mb_emit_byte (mb, CEE_LDIND_I);
1433 mono_mb_emit_icall (mb, mono_string_from_utf16);
1435 mono_mb_emit_icall (mb, mono_string_new_wrapper);
1437 mono_mb_emit_byte (mb, CEE_STIND_REF);
1439 case MONO_MARSHAL_CONV_STR_LPSTR:
1440 mono_mb_emit_ldloc (mb, 1);
1441 mono_mb_emit_ldloc (mb, 0);
1442 mono_mb_emit_byte (mb, CEE_LDIND_I);
1443 mono_mb_emit_icall (mb, mono_string_new_wrapper);
1444 mono_mb_emit_byte (mb, CEE_STIND_REF);
1446 case MONO_MARSHAL_CONV_STR_LPWSTR:
1447 mono_mb_emit_ldloc (mb, 1);
1448 mono_mb_emit_ldloc (mb, 0);
1449 mono_mb_emit_byte (mb, CEE_LDIND_I);
1450 mono_mb_emit_icall (mb, mono_string_from_utf16);
1451 mono_mb_emit_byte (mb, CEE_STIND_REF);
1453 case MONO_MARSHAL_CONV_OBJECT_STRUCT: {
1454 MonoClass *klass = mono_class_from_mono_type (type);
1455 int src_var, dst_var;
1457 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1458 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1460 /* *dst = new object */
1461 mono_mb_emit_ldloc (mb, 1);
1462 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1463 mono_mb_emit_op (mb, CEE_MONO_NEWOBJ, klass);
1464 mono_mb_emit_byte (mb, CEE_STIND_REF);
1466 /* save the old src pointer */
1467 mono_mb_emit_ldloc (mb, 0);
1468 mono_mb_emit_stloc (mb, src_var);
1469 /* save the old dst pointer */
1470 mono_mb_emit_ldloc (mb, 1);
1471 mono_mb_emit_stloc (mb, dst_var);
1473 /* dst = pointer to newly created object data */
1474 mono_mb_emit_ldloc (mb, 1);
1475 mono_mb_emit_byte (mb, CEE_LDIND_I);
1476 mono_mb_emit_icon (mb, sizeof (MonoObject));
1477 mono_mb_emit_byte (mb, CEE_ADD);
1478 mono_mb_emit_stloc (mb, 1);
1480 emit_struct_conv (mb, klass, TRUE);
1482 /* restore the old src pointer */
1483 mono_mb_emit_ldloc (mb, src_var);
1484 mono_mb_emit_stloc (mb, 0);
1485 /* restore the old dst pointer */
1486 mono_mb_emit_ldloc (mb, dst_var);
1487 mono_mb_emit_stloc (mb, 1);
1490 case MONO_MARSHAL_CONV_DEL_FTN: {
1491 MonoClass *klass = mono_class_from_mono_type (type);
1493 mono_mb_emit_ldloc (mb, 1);
1494 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1495 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
1496 mono_mb_emit_ldloc (mb, 0);
1497 mono_mb_emit_byte (mb, CEE_LDIND_I);
1498 mono_mb_emit_icall (mb, mono_ftnptr_to_delegate);
1499 mono_mb_emit_byte (mb, CEE_STIND_REF);
1502 case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
1503 g_error ("Structure field of type %s can't be marshalled as LPArray", mono_class_from_mono_type (type)->name);
1507 case MONO_MARSHAL_CONV_OBJECT_INTERFACE:
1508 case MONO_MARSHAL_CONV_OBJECT_IUNKNOWN:
1509 case MONO_MARSHAL_CONV_OBJECT_IDISPATCH:
1510 mono_cominterop_emit_ptr_to_object_conv (mb, type, conv, mspec);
1512 #endif /* DISABLE_COM */
1514 case MONO_MARSHAL_CONV_SAFEHANDLE: {
1516 * Passing SafeHandles as ref does not allow the unmanaged code
1517 * to change the SafeHandle value. If the value is changed,
1518 * we should issue a diagnostic exception (NotSupportedException)
1519 * that informs the user that changes to handles in unmanaged code
1522 * Since we currently have no access to the original
1523 * SafeHandle that was used during the marshalling,
1524 * for now we just ignore this, and ignore/discard any
1525 * changes that might have happened to the handle.
1530 case MONO_MARSHAL_CONV_HANDLEREF: {
1532 * Passing HandleRefs in a struct that is ref()ed does not
1533 * copy the values back to the HandleRef
1538 case MONO_MARSHAL_CONV_STR_BSTR:
1539 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
1540 case MONO_MARSHAL_CONV_STR_TBSTR:
1541 case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
1543 char *msg = g_strdup_printf ("marshaling conversion %d not implemented", conv);
1545 mono_mb_emit_exception_marshal_directive (mb, msg);
1552 conv_to_icall (MonoMarshalConv conv)
1555 case MONO_MARSHAL_CONV_STR_LPWSTR:
1556 return mono_marshal_string_to_utf16;
1557 case MONO_MARSHAL_CONV_LPWSTR_STR:
1558 return mono_string_from_utf16;
1559 case MONO_MARSHAL_CONV_LPTSTR_STR:
1560 return mono_string_new_wrapper;
1561 case MONO_MARSHAL_CONV_LPSTR_STR:
1562 return mono_string_new_wrapper;
1563 case MONO_MARSHAL_CONV_STR_LPTSTR:
1565 return mono_marshal_string_to_utf16;
1567 return mono_string_to_lpstr;
1569 case MONO_MARSHAL_CONV_STR_LPSTR:
1570 return mono_string_to_lpstr;
1571 case MONO_MARSHAL_CONV_STR_BSTR:
1572 return mono_string_to_bstr;
1573 case MONO_MARSHAL_CONV_BSTR_STR:
1574 return mono_string_from_bstr;
1575 case MONO_MARSHAL_CONV_STR_TBSTR:
1576 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
1577 return mono_string_to_ansibstr;
1578 case MONO_MARSHAL_CONV_SB_LPSTR:
1579 return mono_string_builder_to_utf8;
1580 case MONO_MARSHAL_CONV_SB_LPTSTR:
1582 return mono_string_builder_to_utf16;
1584 return mono_string_builder_to_utf8;
1586 case MONO_MARSHAL_CONV_SB_LPWSTR:
1587 return mono_string_builder_to_utf16;
1588 case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
1589 return mono_array_to_savearray;
1590 case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
1591 return mono_array_to_lparray;
1592 case MONO_MARSHAL_FREE_LPARRAY:
1593 return mono_free_lparray;
1594 case MONO_MARSHAL_CONV_DEL_FTN:
1595 return mono_delegate_to_ftnptr;
1596 case MONO_MARSHAL_CONV_FTN_DEL:
1597 return mono_ftnptr_to_delegate;
1598 case MONO_MARSHAL_CONV_LPSTR_SB:
1599 return mono_string_utf8_to_builder;
1600 case MONO_MARSHAL_CONV_LPTSTR_SB:
1602 return mono_string_utf16_to_builder;
1604 return mono_string_utf8_to_builder;
1606 case MONO_MARSHAL_CONV_LPWSTR_SB:
1607 return mono_string_utf16_to_builder;
1608 case MONO_MARSHAL_FREE_ARRAY:
1609 return mono_marshal_free_array;
1610 case MONO_MARSHAL_CONV_STR_BYVALSTR:
1611 return mono_string_to_byvalstr;
1612 case MONO_MARSHAL_CONV_STR_BYVALWSTR:
1613 return mono_string_to_byvalwstr;
1615 g_assert_not_reached ();
1622 emit_object_to_ptr_conv (MonoMethodBuilder *mb, MonoType *type, MonoMarshalConv conv, MonoMarshalSpec *mspec)
1627 case MONO_MARSHAL_CONV_BOOL_I4:
1628 mono_mb_emit_ldloc (mb, 1);
1629 mono_mb_emit_ldloc (mb, 0);
1630 mono_mb_emit_byte (mb, CEE_LDIND_U1);
1631 mono_mb_emit_byte (mb, CEE_STIND_I4);
1633 case MONO_MARSHAL_CONV_BOOL_VARIANTBOOL:
1634 mono_mb_emit_ldloc (mb, 1);
1635 mono_mb_emit_ldloc (mb, 0);
1636 mono_mb_emit_byte (mb, CEE_LDIND_U1);
1637 mono_mb_emit_byte (mb, CEE_NEG);
1638 mono_mb_emit_byte (mb, CEE_STIND_I2);
1640 case MONO_MARSHAL_CONV_STR_LPWSTR:
1641 case MONO_MARSHAL_CONV_STR_LPSTR:
1642 case MONO_MARSHAL_CONV_STR_LPTSTR:
1643 case MONO_MARSHAL_CONV_STR_BSTR:
1644 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
1645 case MONO_MARSHAL_CONV_STR_TBSTR: {
1648 /* free space if free == true */
1649 mono_mb_emit_ldloc (mb, 2);
1650 pos = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
1651 mono_mb_emit_ldloc (mb, 1);
1652 mono_mb_emit_byte (mb, CEE_LDIND_I);
1653 mono_mb_emit_icall (mb, g_free);
1654 mono_mb_patch_short_branch (mb, pos);
1656 mono_mb_emit_ldloc (mb, 1);
1657 mono_mb_emit_ldloc (mb, 0);
1658 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1659 mono_mb_emit_icall (mb, conv_to_icall (conv));
1660 mono_mb_emit_byte (mb, CEE_STIND_I);
1663 case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
1664 case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
1665 case MONO_MARSHAL_CONV_DEL_FTN:
1666 mono_mb_emit_ldloc (mb, 1);
1667 mono_mb_emit_ldloc (mb, 0);
1668 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1669 mono_mb_emit_icall (mb, conv_to_icall (conv));
1670 mono_mb_emit_byte (mb, CEE_STIND_I);
1672 case MONO_MARSHAL_CONV_STR_BYVALSTR:
1673 case MONO_MARSHAL_CONV_STR_BYVALWSTR: {
1676 mono_mb_emit_ldloc (mb, 1); /* dst */
1677 mono_mb_emit_ldloc (mb, 0);
1678 mono_mb_emit_byte (mb, CEE_LDIND_REF); /* src String */
1679 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1680 mono_mb_emit_icall (mb, conv_to_icall (conv));
1683 case MONO_MARSHAL_CONV_ARRAY_BYVALARRAY: {
1684 MonoClass *eklass = NULL;
1687 if (type->type == MONO_TYPE_SZARRAY) {
1688 eklass = type->data.klass;
1690 g_assert_not_reached ();
1693 if (eklass->valuetype)
1694 esize = mono_class_native_size (eklass, NULL);
1696 esize = sizeof (gpointer);
1698 mono_mb_emit_ldloc (mb, 0);
1699 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1700 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
1702 if (eklass->blittable) {
1703 mono_mb_emit_ldloc (mb, 1);
1704 mono_mb_emit_ldloc (mb, 0);
1705 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1706 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoArray, vector));
1707 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem * esize);
1708 mono_mb_emit_byte (mb, CEE_PREFIX1);
1709 mono_mb_emit_byte (mb, CEE_CPBLK);
1711 int array_var, src_var, dst_var, index_var;
1712 guint32 label2, label3;
1714 array_var = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
1715 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1716 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1719 mono_mb_emit_ldloc (mb, 0);
1720 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1721 mono_mb_emit_stloc (mb, array_var);
1723 /* save the old src pointer */
1724 mono_mb_emit_ldloc (mb, 0);
1725 mono_mb_emit_stloc (mb, src_var);
1726 /* save the old dst pointer */
1727 mono_mb_emit_ldloc (mb, 1);
1728 mono_mb_emit_stloc (mb, dst_var);
1730 /* Emit marshalling loop */
1731 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1732 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
1733 mono_mb_emit_stloc (mb, index_var);
1736 label2 = mono_mb_get_label (mb);
1737 mono_mb_emit_ldloc (mb, index_var);
1738 mono_mb_emit_ldloc (mb, array_var);
1739 mono_mb_emit_byte (mb, CEE_LDLEN);
1740 label3 = mono_mb_emit_branch (mb, CEE_BGE);
1743 mono_mb_emit_ldloc (mb, array_var);
1744 mono_mb_emit_ldloc (mb, index_var);
1745 mono_mb_emit_op (mb, CEE_LDELEMA, eklass);
1746 mono_mb_emit_stloc (mb, 0);
1748 /* dst is already set */
1750 /* Do the conversion */
1751 emit_struct_conv (mb, eklass, FALSE);
1754 mono_mb_emit_add_to_local (mb, index_var, 1);
1756 mono_mb_emit_branch_label (mb, CEE_BR, label2);
1758 mono_mb_patch_branch (mb, label3);
1760 /* restore the old src pointer */
1761 mono_mb_emit_ldloc (mb, src_var);
1762 mono_mb_emit_stloc (mb, 0);
1763 /* restore the old dst pointer */
1764 mono_mb_emit_ldloc (mb, dst_var);
1765 mono_mb_emit_stloc (mb, 1);
1768 mono_mb_patch_branch (mb, pos);
1771 case MONO_MARSHAL_CONV_ARRAY_BYVALCHARARRAY: {
1772 mono_mb_emit_ldloc (mb, 0);
1773 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1774 pos = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
1776 mono_mb_emit_ldloc (mb, 1);
1777 mono_mb_emit_ldloc (mb, 0);
1778 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1779 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1780 mono_mb_emit_icall (mb, mono_array_to_byte_byvalarray);
1781 mono_mb_patch_short_branch (mb, pos);
1784 case MONO_MARSHAL_CONV_OBJECT_STRUCT: {
1785 int src_var, dst_var;
1787 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1788 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1790 mono_mb_emit_ldloc (mb, 0);
1791 mono_mb_emit_byte (mb, CEE_LDIND_I);
1792 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
1794 /* save the old src pointer */
1795 mono_mb_emit_ldloc (mb, 0);
1796 mono_mb_emit_stloc (mb, src_var);
1797 /* save the old dst pointer */
1798 mono_mb_emit_ldloc (mb, 1);
1799 mono_mb_emit_stloc (mb, dst_var);
1801 /* src = pointer to object data */
1802 mono_mb_emit_ldloc (mb, 0);
1803 mono_mb_emit_byte (mb, CEE_LDIND_I);
1804 mono_mb_emit_icon (mb, sizeof (MonoObject));
1805 mono_mb_emit_byte (mb, CEE_ADD);
1806 mono_mb_emit_stloc (mb, 0);
1808 emit_struct_conv (mb, mono_class_from_mono_type (type), FALSE);
1810 /* restore the old src pointer */
1811 mono_mb_emit_ldloc (mb, src_var);
1812 mono_mb_emit_stloc (mb, 0);
1813 /* restore the old dst pointer */
1814 mono_mb_emit_ldloc (mb, dst_var);
1815 mono_mb_emit_stloc (mb, 1);
1817 mono_mb_patch_branch (mb, pos);
1822 case MONO_MARSHAL_CONV_OBJECT_INTERFACE:
1823 case MONO_MARSHAL_CONV_OBJECT_IDISPATCH:
1824 case MONO_MARSHAL_CONV_OBJECT_IUNKNOWN:
1825 mono_cominterop_emit_object_to_ptr_conv (mb, type, conv, mspec);
1827 #endif /* DISABLE_COM */
1829 case MONO_MARSHAL_CONV_SAFEHANDLE: {
1830 int dar_release_slot, pos;
1832 dar_release_slot = mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
1835 * The following is ifdefed-out, because I have no way of doing the
1836 * DangerousRelease when destroying the structure
1839 /* set release = false */
1840 mono_mb_emit_icon (mb, 0);
1841 mono_mb_emit_stloc (mb, dar_release_slot);
1842 if (!sh_dangerous_add_ref)
1843 init_safe_handle ();
1845 /* safehandle.DangerousAddRef (ref release) */
1846 mono_mb_emit_ldloc (mb, 0); /* the source */
1847 mono_mb_emit_byte (mb, CEE_LDIND_I);
1848 mono_mb_emit_ldloc_addr (mb, dar_release_slot);
1849 mono_mb_emit_managed_call (mb, sh_dangerous_add_ref, NULL);
1851 mono_mb_emit_ldloc (mb, 0);
1852 mono_mb_emit_byte (mb, CEE_LDIND_I);
1853 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
1854 mono_mb_emit_exception (mb, "ArgumentNullException", NULL);
1855 mono_mb_patch_branch (mb, pos);
1857 /* Pull the handle field from SafeHandle */
1858 mono_mb_emit_ldloc (mb, 1);
1859 mono_mb_emit_ldloc (mb, 0);
1860 mono_mb_emit_byte (mb, CEE_LDIND_I);
1861 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoSafeHandle, handle));
1862 mono_mb_emit_byte (mb, CEE_LDIND_I);
1863 mono_mb_emit_byte (mb, CEE_STIND_I);
1867 case MONO_MARSHAL_CONV_HANDLEREF: {
1868 mono_mb_emit_ldloc (mb, 1);
1869 mono_mb_emit_ldloc (mb, 0);
1870 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoHandleRef, handle));
1871 mono_mb_emit_byte (mb, CEE_ADD);
1872 mono_mb_emit_byte (mb, CEE_LDIND_I);
1873 mono_mb_emit_byte (mb, CEE_STIND_I);
1878 char *msg = g_strdup_printf ("marshalling conversion %d not implemented", conv);
1879 MonoException *exc = mono_get_exception_not_implemented (msg);
1880 g_warning ("%s", msg);
1882 mono_raise_exception (exc);
1888 emit_struct_conv_full (MonoMethodBuilder *mb, MonoClass *klass, gboolean to_object,
1889 MonoMarshalNative string_encoding)
1891 MonoMarshalType *info;
1895 emit_struct_conv(mb, klass->parent, to_object);
1897 info = mono_marshal_load_type_info (klass);
1899 if (info->native_size == 0)
1902 if (klass->blittable) {
1903 int msize = mono_class_value_size (klass, NULL);
1904 g_assert (msize == info->native_size);
1905 mono_mb_emit_ldloc (mb, 1);
1906 mono_mb_emit_ldloc (mb, 0);
1907 mono_mb_emit_icon (mb, msize);
1908 mono_mb_emit_byte (mb, CEE_PREFIX1);
1909 mono_mb_emit_byte (mb, CEE_CPBLK);
1911 mono_mb_emit_add_to_local (mb, 0, msize);
1912 mono_mb_emit_add_to_local (mb, 1, msize);
1916 if (klass != mono_defaults.safehandle_class) {
1917 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
1918 char *msg = g_strdup_printf ("Type %s which is passed to unmanaged code must have a StructLayout attribute.",
1919 mono_type_full_name (&klass->byval_arg));
1920 mono_mb_emit_exception_marshal_directive (mb, msg);
1925 for (i = 0; i < info->num_fields; i++) {
1926 MonoMarshalNative ntype;
1927 MonoMarshalConv conv;
1928 MonoType *ftype = info->fields [i].field->type;
1931 gboolean last_field = i < (info->num_fields -1) ? 0 : 1;
1933 if (ftype->attrs & FIELD_ATTRIBUTE_STATIC)
1936 ntype = mono_type_to_unmanaged (ftype, info->fields [i].mspec, TRUE, klass->unicode, &conv);
1939 msize = klass->instance_size - info->fields [i].field->offset;
1940 usize = info->native_size - info->fields [i].offset;
1942 msize = info->fields [i + 1].field->offset - info->fields [i].field->offset;
1943 usize = info->fields [i + 1].offset - info->fields [i].offset;
1946 if (klass != mono_defaults.safehandle_class){
1948 * FIXME: Should really check for usize==0 and msize>0, but we apply
1949 * the layout to the managed structure as well.
1952 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) && (usize == 0)) {
1953 if (MONO_TYPE_IS_REFERENCE (info->fields [i].field->type) ||
1954 ((!last_field && MONO_TYPE_IS_REFERENCE (info->fields [i + 1].field->type))))
1955 g_error ("Type %s which has an [ExplicitLayout] attribute cannot have a "
1956 "reference field at the same offset as another field.",
1957 mono_type_full_name (&klass->byval_arg));
1962 case MONO_MARSHAL_CONV_NONE: {
1965 if (ftype->byref || ftype->type == MONO_TYPE_I ||
1966 ftype->type == MONO_TYPE_U) {
1967 mono_mb_emit_ldloc (mb, 1);
1968 mono_mb_emit_ldloc (mb, 0);
1969 mono_mb_emit_byte (mb, CEE_LDIND_I);
1970 mono_mb_emit_byte (mb, CEE_STIND_I);
1981 case MONO_TYPE_BOOLEAN:
1984 case MONO_TYPE_CHAR:
1990 mono_mb_emit_ldloc (mb, 1);
1991 mono_mb_emit_ldloc (mb, 0);
1992 if (t == MONO_TYPE_CHAR && ntype == MONO_NATIVE_U1 && string_encoding != MONO_NATIVE_LPWSTR) {
1994 mono_mb_emit_byte (mb, CEE_LDIND_U1);
1995 mono_mb_emit_byte (mb, CEE_STIND_I2);
1997 mono_mb_emit_byte (mb, CEE_LDIND_U2);
1998 mono_mb_emit_byte (mb, CEE_STIND_I1);
2001 mono_mb_emit_byte (mb, mono_type_to_ldind (ftype));
2002 mono_mb_emit_byte (mb, mono_type_to_stind (ftype));
2005 case MONO_TYPE_VALUETYPE: {
2006 int src_var, dst_var;
2008 if (ftype->data.klass->enumtype) {
2009 ftype = mono_class_enum_basetype (ftype->data.klass);
2013 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2014 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2016 /* save the old src pointer */
2017 mono_mb_emit_ldloc (mb, 0);
2018 mono_mb_emit_stloc (mb, src_var);
2019 /* save the old dst pointer */
2020 mono_mb_emit_ldloc (mb, 1);
2021 mono_mb_emit_stloc (mb, dst_var);
2023 emit_struct_conv (mb, ftype->data.klass, to_object);
2025 /* restore the old src pointer */
2026 mono_mb_emit_ldloc (mb, src_var);
2027 mono_mb_emit_stloc (mb, 0);
2028 /* restore the old dst pointer */
2029 mono_mb_emit_ldloc (mb, dst_var);
2030 mono_mb_emit_stloc (mb, 1);
2033 case MONO_TYPE_OBJECT: {
2036 static MonoMethod *variant_clear = NULL;
2037 static MonoMethod *get_object_for_native_variant = NULL;
2040 variant_clear = mono_class_get_method_from_name (mono_class_get_variant_class (), "Clear", 0);
2041 if (!get_object_for_native_variant)
2042 get_object_for_native_variant = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetObjectForNativeVariant", 1);
2043 mono_mb_emit_ldloc (mb, 1);
2044 mono_mb_emit_ldloc (mb, 0);
2045 mono_mb_emit_managed_call (mb, get_object_for_native_variant, NULL);
2046 mono_mb_emit_byte (mb, CEE_STIND_REF);
2048 mono_mb_emit_ldloc (mb, 0);
2049 mono_mb_emit_managed_call (mb, variant_clear, NULL);
2052 static MonoMethod *get_native_variant_for_object = NULL;
2054 if (!get_native_variant_for_object)
2055 get_native_variant_for_object = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetNativeVariantForObject", 2);
2057 mono_mb_emit_ldloc (mb, 0);
2058 mono_mb_emit_byte(mb, CEE_LDIND_REF);
2059 mono_mb_emit_ldloc (mb, 1);
2060 mono_mb_emit_managed_call (mb, get_native_variant_for_object, NULL);
2063 char *msg = g_strdup_printf ("COM support was disabled at compilation time.");
2064 mono_mb_emit_exception_marshal_directive (mb, msg);
2070 g_warning ("marshaling type %02x not implemented", ftype->type);
2071 g_assert_not_reached ();
2076 int src_var, dst_var;
2078 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2079 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2081 /* save the old src pointer */
2082 mono_mb_emit_ldloc (mb, 0);
2083 mono_mb_emit_stloc (mb, src_var);
2084 /* save the old dst pointer */
2085 mono_mb_emit_ldloc (mb, 1);
2086 mono_mb_emit_stloc (mb, dst_var);
2089 emit_ptr_to_object_conv (mb, ftype, conv, info->fields [i].mspec);
2091 emit_object_to_ptr_conv (mb, ftype, conv, info->fields [i].mspec);
2093 /* restore the old src pointer */
2094 mono_mb_emit_ldloc (mb, src_var);
2095 mono_mb_emit_stloc (mb, 0);
2096 /* restore the old dst pointer */
2097 mono_mb_emit_ldloc (mb, dst_var);
2098 mono_mb_emit_stloc (mb, 1);
2103 mono_mb_emit_add_to_local (mb, 0, usize);
2104 mono_mb_emit_add_to_local (mb, 1, msize);
2106 mono_mb_emit_add_to_local (mb, 0, msize);
2107 mono_mb_emit_add_to_local (mb, 1, usize);
2113 emit_struct_conv (MonoMethodBuilder *mb, MonoClass *klass, gboolean to_object)
2115 emit_struct_conv_full (mb, klass, to_object, -1);
2119 emit_struct_free (MonoMethodBuilder *mb, MonoClass *klass, int struct_var)
2121 /* Call DestroyStructure */
2122 /* FIXME: Only do this if needed */
2123 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2124 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
2125 mono_mb_emit_ldloc (mb, struct_var);
2126 mono_mb_emit_icall (mb, mono_struct_delete_old);
2130 emit_thread_interrupt_checkpoint_call (MonoMethodBuilder *mb, gpointer checkpoint_func)
2134 mono_mb_emit_ptr (mb, (gpointer) mono_thread_interruption_request_flag ());
2135 mono_mb_emit_byte (mb, CEE_LDIND_U4);
2136 pos_noabort = mono_mb_emit_branch (mb, CEE_BRFALSE);
2138 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2139 mono_mb_emit_byte (mb, CEE_MONO_NOT_TAKEN);
2141 mono_mb_emit_icall (mb, checkpoint_func);
2143 mono_mb_patch_branch (mb, pos_noabort);
2147 emit_thread_interrupt_checkpoint (MonoMethodBuilder *mb)
2149 if (strstr (mb->name, "mono_thread_interruption_checkpoint"))
2152 emit_thread_interrupt_checkpoint_call (mb, mono_thread_interruption_checkpoint);
2156 emit_thread_force_interrupt_checkpoint (MonoMethodBuilder *mb)
2158 emit_thread_interrupt_checkpoint_call (mb, mono_thread_force_interruption_checkpoint);
2162 mono_marshal_emit_thread_interrupt_checkpoint (MonoMethodBuilder *mb)
2164 emit_thread_interrupt_checkpoint (mb);
2167 #endif /* DISABLE_JIT */
2169 static MonoAsyncResult *
2170 mono_delegate_begin_invoke (MonoDelegate *delegate, gpointer *params)
2172 MonoMethodMessage *msg;
2173 MonoDelegate *async_callback;
2174 MonoMulticastDelegate *mcast_delegate;
2178 MonoMethod *method = NULL, *method2 = NULL;
2180 g_assert (delegate);
2181 mcast_delegate = (MonoMulticastDelegate *) delegate;
2182 if (mcast_delegate->prev != NULL)
2183 mono_raise_exception (mono_get_exception_argument (NULL, "The delegate must have only one target"));
2185 #ifndef DISABLE_REMOTING
2186 if (delegate->target && mono_object_class (delegate->target) == mono_defaults.transparent_proxy_class) {
2188 MonoTransparentProxy* tp = (MonoTransparentProxy *)delegate->target;
2189 if (!mono_class_is_contextbound (tp->remote_class->proxy_class) || tp->rp->context != (MonoObject *) mono_context_get ()) {
2191 /* If the target is a proxy, make a direct call. Is proxy's work
2192 // to make the call asynchronous.
2194 MonoAsyncResult *ares;
2196 MonoArray *out_args;
2197 method = delegate->method;
2199 msg = mono_method_call_message_new (mono_marshal_method_from_wrapper (method), params, NULL, &async_callback, &state);
2200 ares = mono_async_result_new (mono_domain_get (), NULL, state, NULL, NULL);
2201 MONO_OBJECT_SETREF (ares, async_delegate, (MonoObject *)delegate);
2202 MONO_OBJECT_SETREF (ares, async_callback, (MonoObject *)async_callback);
2203 MONO_OBJECT_SETREF (msg, async_result, ares);
2204 msg->call_type = CallType_BeginInvoke;
2207 mono_remoting_invoke ((MonoObject *)tp->rp, msg, &exc, &out_args);
2209 mono_raise_exception ((MonoException *) exc);
2215 klass = delegate->object.vtable->klass;
2217 method = mono_get_delegate_invoke (klass);
2218 method2 = mono_class_get_method_from_name (klass, "BeginInvoke", -1);
2221 g_assert (method != NULL);
2223 im = mono_get_delegate_invoke (method->klass);
2224 msg = mono_method_call_message_new (method, params, im, &async_callback, &state);
2226 return mono_thread_pool_add ((MonoObject *)delegate, msg, async_callback, state);
2232 mono_mb_emit_save_args (MonoMethodBuilder *mb, MonoMethodSignature *sig, gboolean save_this)
2234 int i, params_var, tmp_var;
2236 /* allocate local (pointer) *params[] */
2237 params_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2238 /* allocate local (pointer) tmp */
2239 tmp_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2241 /* alloate space on stack to store an array of pointers to the arguments */
2242 mono_mb_emit_icon (mb, sizeof (gpointer) * (sig->param_count + 1));
2243 mono_mb_emit_byte (mb, CEE_PREFIX1);
2244 mono_mb_emit_byte (mb, CEE_LOCALLOC);
2245 mono_mb_emit_stloc (mb, params_var);
2248 mono_mb_emit_ldloc (mb, params_var);
2249 mono_mb_emit_stloc (mb, tmp_var);
2251 if (save_this && sig->hasthis) {
2252 mono_mb_emit_ldloc (mb, tmp_var);
2253 mono_mb_emit_ldarg_addr (mb, 0);
2254 mono_mb_emit_byte (mb, CEE_STIND_I);
2255 /* tmp = tmp + sizeof (gpointer) */
2256 if (sig->param_count)
2257 mono_mb_emit_add_to_local (mb, tmp_var, sizeof (gpointer));
2261 for (i = 0; i < sig->param_count; i++) {
2262 mono_mb_emit_ldloc (mb, tmp_var);
2263 mono_mb_emit_ldarg_addr (mb, i + sig->hasthis);
2264 mono_mb_emit_byte (mb, CEE_STIND_I);
2265 /* tmp = tmp + sizeof (gpointer) */
2266 if (i < (sig->param_count - 1))
2267 mono_mb_emit_add_to_local (mb, tmp_var, sizeof (gpointer));
2273 #endif /* DISABLE_JIT */
2276 mono_signature_to_name (MonoMethodSignature *sig, const char *prefix)
2280 GString *res = g_string_new ("");
2283 g_string_append (res, prefix);
2284 g_string_append_c (res, '_');
2287 mono_type_get_desc (res, sig->ret, FALSE);
2290 g_string_append (res, "__this__");
2292 for (i = 0; i < sig->param_count; ++i) {
2293 g_string_append_c (res, '_');
2294 mono_type_get_desc (res, sig->params [i], FALSE);
2297 g_string_free (res, FALSE);
2302 * mono_marshal_get_string_encoding:
2304 * Return the string encoding which should be used for a given parameter.
2306 static MonoMarshalNative
2307 mono_marshal_get_string_encoding (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
2309 /* First try the parameter marshal info */
2311 if (spec->native == MONO_NATIVE_LPARRAY) {
2312 if ((spec->data.array_data.elem_type != 0) && (spec->data.array_data.elem_type != MONO_NATIVE_MAX))
2313 return spec->data.array_data.elem_type;
2316 return spec->native;
2320 return MONO_NATIVE_LPSTR;
2322 /* Then try the method level marshal info */
2323 switch (piinfo->piflags & PINVOKE_ATTRIBUTE_CHAR_SET_MASK) {
2324 case PINVOKE_ATTRIBUTE_CHAR_SET_ANSI:
2325 return MONO_NATIVE_LPSTR;
2326 case PINVOKE_ATTRIBUTE_CHAR_SET_UNICODE:
2327 return MONO_NATIVE_LPWSTR;
2328 case PINVOKE_ATTRIBUTE_CHAR_SET_AUTO:
2330 return MONO_NATIVE_LPWSTR;
2332 return MONO_NATIVE_LPSTR;
2335 return MONO_NATIVE_LPSTR;
2339 static MonoMarshalConv
2340 mono_marshal_get_string_to_ptr_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
2342 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
2345 case MONO_NATIVE_LPWSTR:
2346 return MONO_MARSHAL_CONV_STR_LPWSTR;
2347 case MONO_NATIVE_LPSTR:
2348 case MONO_NATIVE_VBBYREFSTR:
2349 return MONO_MARSHAL_CONV_STR_LPSTR;
2350 case MONO_NATIVE_LPTSTR:
2351 return MONO_MARSHAL_CONV_STR_LPTSTR;
2352 case MONO_NATIVE_BSTR:
2353 return MONO_MARSHAL_CONV_STR_BSTR;
2359 static MonoMarshalConv
2360 mono_marshal_get_stringbuilder_to_ptr_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
2362 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
2365 case MONO_NATIVE_LPWSTR:
2366 return MONO_MARSHAL_CONV_SB_LPWSTR;
2368 case MONO_NATIVE_LPSTR:
2369 return MONO_MARSHAL_CONV_SB_LPSTR;
2371 case MONO_NATIVE_LPTSTR:
2372 return MONO_MARSHAL_CONV_SB_LPTSTR;
2379 static MonoMarshalConv
2380 mono_marshal_get_ptr_to_string_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec, gboolean *need_free)
2382 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
2387 case MONO_NATIVE_LPWSTR:
2389 return MONO_MARSHAL_CONV_LPWSTR_STR;
2390 case MONO_NATIVE_LPSTR:
2391 case MONO_NATIVE_VBBYREFSTR:
2392 return MONO_MARSHAL_CONV_LPSTR_STR;
2393 case MONO_NATIVE_LPTSTR:
2394 return MONO_MARSHAL_CONV_LPTSTR_STR;
2395 case MONO_NATIVE_BSTR:
2396 return MONO_MARSHAL_CONV_BSTR_STR;
2402 static MonoMarshalConv
2403 mono_marshal_get_ptr_to_stringbuilder_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec, gboolean *need_free)
2405 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
2410 case MONO_NATIVE_LPWSTR:
2412 * mono_string_builder_to_utf16 does not allocate a
2413 * new buffer, so no need to free it.
2416 return MONO_MARSHAL_CONV_LPWSTR_SB;
2417 case MONO_NATIVE_LPSTR:
2418 return MONO_MARSHAL_CONV_LPSTR_SB;
2420 case MONO_NATIVE_LPTSTR:
2421 return MONO_MARSHAL_CONV_LPTSTR_SB;
2429 * Return whenever a field of a native structure or an array member needs to
2433 mono_marshal_need_free (MonoType *t, MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
2435 MonoMarshalNative encoding;
2436 MonoMarshalConv conv;
2439 case MONO_TYPE_VALUETYPE:
2440 /* FIXME: Optimize this */
2442 case MONO_TYPE_OBJECT:
2443 case MONO_TYPE_CLASS:
2444 if (t->data.klass == mono_defaults.stringbuilder_class) {
2446 conv = mono_marshal_get_ptr_to_stringbuilder_conv (piinfo, spec, &need_free);
2450 case MONO_TYPE_STRING:
2451 encoding = mono_marshal_get_string_encoding (piinfo, spec);
2452 return (encoding == MONO_NATIVE_LPWSTR) ? FALSE : TRUE;
2459 * Return the hash table pointed to by VAR, lazily creating it if neccesary.
2462 get_cache (GHashTable **var, GHashFunc hash_func, GCompareFunc equal_func)
2465 mono_marshal_lock ();
2468 g_hash_table_new (hash_func, equal_func);
2469 mono_memory_barrier ();
2472 mono_marshal_unlock ();
2478 get_cache_full (GHashTable **var, GHashFunc hash_func, GCompareFunc equal_func, GDestroyNotify key_destroy_func, GDestroyNotify value_destroy_func)
2481 mono_marshal_lock ();
2484 g_hash_table_new_full (hash_func, equal_func, key_destroy_func, value_destroy_func);
2485 mono_memory_barrier ();
2488 mono_marshal_unlock ();
2494 mono_marshal_get_cache (GHashTable **var, GHashFunc hash_func, GCompareFunc equal_func)
2496 return get_cache (var, hash_func, equal_func);
2500 mono_marshal_find_in_cache (GHashTable *cache, gpointer key)
2504 mono_marshal_lock ();
2505 res = g_hash_table_lookup (cache, key);
2506 mono_marshal_unlock ();
2510 /* Create the method from the builder and place it in the cache */
2512 mono_mb_create_and_cache_full (GHashTable *cache, gpointer key,
2513 MonoMethodBuilder *mb, MonoMethodSignature *sig,
2514 int max_stack, gboolean *out_found)
2521 mono_marshal_lock ();
2522 res = g_hash_table_lookup (cache, key);
2523 mono_marshal_unlock ();
2526 newm = mono_mb_create_method (mb, sig, max_stack);
2527 mono_marshal_lock ();
2528 res = g_hash_table_lookup (cache, key);
2531 g_hash_table_insert (cache, key, res);
2532 mono_marshal_set_wrapper_info (res, key);
2533 mono_marshal_unlock ();
2537 mono_marshal_unlock ();
2538 mono_free_method (newm);
2546 mono_mb_create_and_cache (GHashTable *cache, gpointer key,
2547 MonoMethodBuilder *mb, MonoMethodSignature *sig,
2550 return mono_mb_create_and_cache_full (cache, key, mb, sig, max_stack, NULL);
2553 static inline MonoMethod*
2554 mono_marshal_remoting_find_in_cache (MonoMethod *method, int wrapper_type)
2556 MonoMethod *res = NULL;
2557 MonoRemotingMethods *wrps;
2559 mono_marshal_lock ();
2560 if (method->klass->image->remoting_invoke_cache)
2561 wrps = g_hash_table_lookup (method->klass->image->remoting_invoke_cache, method);
2566 switch (wrapper_type) {
2567 case MONO_WRAPPER_REMOTING_INVOKE: res = wrps->invoke; break;
2568 case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK: res = wrps->invoke_with_check; break;
2569 case MONO_WRAPPER_XDOMAIN_INVOKE: res = wrps->xdomain_invoke; break;
2570 case MONO_WRAPPER_XDOMAIN_DISPATCH: res = wrps->xdomain_dispatch; break;
2574 /* it is important to do the unlock after the load from wrps, since in
2575 * mono_remoting_mb_create_and_cache () we drop the marshal lock to be able
2576 * to take the loader lock and some other thread may set the fields.
2578 mono_marshal_unlock ();
2582 /* Create the method from the builder and place it in the cache */
2583 static inline MonoMethod*
2584 mono_remoting_mb_create_and_cache (MonoMethod *key, MonoMethodBuilder *mb,
2585 MonoMethodSignature *sig, int max_stack)
2587 MonoMethod **res = NULL;
2588 MonoRemotingMethods *wrps;
2589 GHashTable *cache = get_cache_full (&key->klass->image->remoting_invoke_cache, mono_aligned_addr_hash, NULL, NULL, g_free);
2591 mono_marshal_lock ();
2592 wrps = g_hash_table_lookup (cache, key);
2594 wrps = g_new0 (MonoRemotingMethods, 1);
2595 g_hash_table_insert (cache, key, wrps);
2598 switch (mb->method->wrapper_type) {
2599 case MONO_WRAPPER_REMOTING_INVOKE: res = &wrps->invoke; break;
2600 case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK: res = &wrps->invoke_with_check; break;
2601 case MONO_WRAPPER_XDOMAIN_INVOKE: res = &wrps->xdomain_invoke; break;
2602 case MONO_WRAPPER_XDOMAIN_DISPATCH: res = &wrps->xdomain_dispatch; break;
2603 default: g_assert_not_reached (); break;
2605 mono_marshal_unlock ();
2609 newm = mono_mb_create_method (mb, sig, max_stack);
2611 mono_marshal_lock ();
2614 mono_marshal_set_wrapper_info (*res, key);
2615 mono_marshal_unlock ();
2617 mono_marshal_unlock ();
2618 mono_free_method (newm);
2626 mono_marshal_method_from_wrapper (MonoMethod *wrapper)
2629 int wrapper_type = wrapper->wrapper_type;
2632 if (wrapper_type == MONO_WRAPPER_NONE || wrapper_type == MONO_WRAPPER_DYNAMIC_METHOD)
2635 switch (wrapper_type) {
2636 case MONO_WRAPPER_REMOTING_INVOKE:
2637 case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK:
2638 case MONO_WRAPPER_XDOMAIN_INVOKE:
2639 case MONO_WRAPPER_SYNCHRONIZED:
2640 case MONO_WRAPPER_UNBOX:
2641 res = mono_marshal_get_wrapper_info (wrapper);
2644 if (wrapper->is_inflated)
2646 * A method cannot be inflated and a wrapper at the same time, so the wrapper info
2647 * contains an uninflated method.
2649 return mono_class_inflate_generic_method (res, mono_method_get_context (wrapper));
2652 case MONO_WRAPPER_MANAGED_TO_NATIVE:
2653 info = mono_marshal_get_wrapper_info (wrapper);
2654 if (info && (info->subtype == WRAPPER_SUBTYPE_NONE || info->subtype == WRAPPER_SUBTYPE_NATIVE_FUNC_AOT || info->subtype == WRAPPER_SUBTYPE_PINVOKE))
2655 return info->d.managed_to_native.method;
2658 case MONO_WRAPPER_RUNTIME_INVOKE:
2659 info = mono_marshal_get_wrapper_info (wrapper);
2660 if (info && (info->subtype == WRAPPER_SUBTYPE_RUNTIME_INVOKE_DIRECT || info->subtype == WRAPPER_SUBTYPE_RUNTIME_INVOKE_VIRTUAL))
2661 return info->d.runtime_invoke.method;
2670 * mono_marshal_get_wrapper_info:
2672 * Retrieve the pointer stored by mono_marshal_set_wrapper_info. The type of data
2673 * returned depends on the wrapper type. It is usually a method, a class, or a
2674 * WrapperInfo structure.
2677 mono_marshal_get_wrapper_info (MonoMethod *wrapper)
2679 g_assert (wrapper->wrapper_type);
2681 return mono_method_get_wrapper_data (wrapper, 1);
2685 * mono_marshal_set_wrapper_info:
2687 * Store an arbitrary pointer inside the wrapper which is retrievable by
2688 * mono_marshal_get_wrapper_info. The format of the data depends on the type of the
2689 * wrapper (method->wrapper_type).
2692 mono_marshal_set_wrapper_info (MonoMethod *method, gpointer data)
2696 if (method->wrapper_type == MONO_WRAPPER_NONE || method->wrapper_type == MONO_WRAPPER_DYNAMIC_METHOD)
2699 datav = ((MonoMethodWrapper *)method)->method_data;
2704 mono_wrapper_info_create (MonoMethod *wrapper, WrapperSubtype subtype)
2708 info = mono_image_alloc0 (wrapper->klass->image, sizeof (WrapperInfo));
2709 info->subtype = subtype;
2714 * get_wrapper_target_class:
2716 * Return the class where a wrapper method should be placed.
2719 get_wrapper_target_class (MonoImage *image)
2725 * - can't put all wrappers into an mscorlib class, because they reference
2726 * metadata (signature) so they should be put into the same image as the
2727 * method they wrap, so they are unloaded together.
2728 * - putting them into a class with a type initalizer could cause the
2729 * initializer to be executed which can be a problem if the wrappers are
2731 * - putting them into an inflated class can cause problems if the the
2732 * class is deleted because it references an image which is unloaded.
2733 * To avoid these problems, we put the wrappers into the <Module> class of
2737 klass = ((MonoDynamicImage*)image)->wrappers_type;
2739 klass = mono_class_get (image, mono_metadata_make_token (MONO_TABLE_TYPEDEF, 1));
2746 * Wrappers for generic methods should be instances of generic wrapper methods, i.e .the wrapper for Sort<int> should be
2747 * an instance of the wrapper for Sort<T>. This is required for full-aot to work.
2751 * check_generic_wrapper_cache:
2753 * Check CACHE for the wrapper of the generic instance ORIG_METHOD, and return it if it is found.
2754 * KEY should be the key for ORIG_METHOD in the cache, while DEF_KEY should be the key of its
2755 * generic method definition.
2758 check_generic_wrapper_cache (GHashTable *cache, MonoMethod *orig_method, gpointer key, gpointer def_key)
2761 MonoMethod *inst, *def;
2762 MonoGenericContext *ctx;
2763 MonoMethod *def_method;
2765 g_assert (orig_method->is_inflated);
2766 def_method = ((MonoMethodInflated*)orig_method)->declaring;
2767 ctx = mono_method_get_context (orig_method);
2770 * Look for the instance
2772 res = mono_marshal_find_in_cache (cache, key);
2777 * Look for the definition
2779 def = mono_marshal_find_in_cache (cache, def_key);
2781 inst = mono_class_inflate_generic_method (def, ctx);
2783 mono_memory_barrier ();
2784 mono_marshal_lock ();
2785 res = g_hash_table_lookup (cache, key);
2787 g_hash_table_insert (cache, key, inst);
2790 mono_marshal_unlock ();
2797 cache_generic_wrapper (GHashTable *cache, MonoMethod *orig_method, MonoMethod *def, MonoGenericContext *ctx, gpointer key)
2799 MonoMethod *inst, *res;
2802 * We use the same cache for the generic definition and the instances.
2804 inst = mono_class_inflate_generic_method (def, ctx);
2805 mono_memory_barrier ();
2806 mono_marshal_lock ();
2807 res = g_hash_table_lookup (cache, key);
2809 g_hash_table_insert (cache, key, inst);
2812 mono_marshal_unlock ();
2817 check_generic_delegate_wrapper_cache (GHashTable *cache, MonoMethod *orig_method, MonoMethod *def_method, MonoGenericContext *ctx)
2820 MonoMethod *inst, *def;
2823 * Look for the instance
2825 res = mono_marshal_find_in_cache (cache, orig_method->klass);
2830 * Look for the definition
2832 def = mono_marshal_find_in_cache (cache, def_method->klass);
2834 inst = mono_class_inflate_generic_method (def, ctx);
2836 mono_memory_barrier ();
2837 mono_marshal_lock ();
2838 res = g_hash_table_lookup (cache, orig_method->klass);
2840 g_hash_table_insert (cache, orig_method->klass, inst);
2843 mono_marshal_unlock ();
2850 cache_generic_delegate_wrapper (GHashTable *cache, MonoMethod *orig_method, MonoMethod *def, MonoGenericContext *ctx)
2852 MonoMethod *inst, *res;
2855 * We use the same cache for the generic definition and the instances.
2857 inst = mono_class_inflate_generic_method (def, ctx);
2858 mono_memory_barrier ();
2859 mono_marshal_lock ();
2860 res = g_hash_table_lookup (cache, orig_method->klass);
2862 g_hash_table_insert (cache, orig_method->klass, inst);
2865 mono_marshal_unlock ();
2870 mono_marshal_get_delegate_begin_invoke (MonoMethod *method)
2872 MonoMethodSignature *sig;
2873 MonoMethodBuilder *mb;
2878 MonoGenericContext *ctx = NULL;
2879 MonoMethod *orig_method = NULL;
2881 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
2882 !strcmp (method->name, "BeginInvoke"));
2885 * For generic delegates, create a generic wrapper, and returns an instance to help AOT.
2887 if (method->is_inflated) {
2888 orig_method = method;
2889 ctx = &((MonoMethodInflated*)method)->context;
2890 method = ((MonoMethodInflated*)method)->declaring;
2893 sig = mono_signature_no_pinvoke (method);
2899 cache = get_cache (&method->klass->image->delegate_begin_invoke_generic_cache, mono_aligned_addr_hash, NULL);
2900 res = check_generic_delegate_wrapper_cache (cache, orig_method, method, ctx);
2904 cache = get_cache (&method->klass->image->delegate_begin_invoke_cache,
2905 (GHashFunc)mono_signature_hash,
2906 (GCompareFunc)mono_metadata_signature_equal);
2907 if ((res = mono_marshal_find_in_cache (cache, sig)))
2911 g_assert (sig->hasthis);
2913 name = mono_signature_to_name (sig, "begin_invoke");
2915 mb = mono_mb_new (method->klass, name, MONO_WRAPPER_DELEGATE_BEGIN_INVOKE);
2917 mb = mono_mb_new (get_wrapper_target_class (method->klass->image), name, MONO_WRAPPER_DELEGATE_BEGIN_INVOKE);
2921 params_var = mono_mb_emit_save_args (mb, sig, FALSE);
2923 mono_mb_emit_ldarg (mb, 0);
2924 mono_mb_emit_ldloc (mb, params_var);
2925 mono_mb_emit_icall (mb, mono_delegate_begin_invoke);
2926 mono_mb_emit_byte (mb, CEE_RET);
2931 def = mono_mb_create_and_cache (cache, method->klass, mb, sig, sig->param_count + 16);
2932 res = cache_generic_delegate_wrapper (cache, orig_method, def, ctx);
2934 res = mono_mb_create_and_cache (cache, sig, mb, sig, sig->param_count + 16);
2942 mono_delegate_end_invoke (MonoDelegate *delegate, gpointer *params)
2944 MonoDomain *domain = mono_domain_get ();
2945 MonoAsyncResult *ares;
2946 MonoMethod *method = NULL;
2947 MonoMethodSignature *sig;
2948 MonoMethodMessage *msg;
2949 MonoObject *res, *exc;
2950 MonoArray *out_args;
2953 g_assert (delegate);
2955 if (!delegate->method_info) {
2956 g_assert (delegate->method);
2957 MONO_OBJECT_SETREF (delegate, method_info, mono_method_get_object (domain, delegate->method, NULL));
2960 if (!delegate->method_info || !delegate->method_info->method)
2961 g_assert_not_reached ();
2963 klass = delegate->object.vtable->klass;
2965 method = mono_class_get_method_from_name (klass, "EndInvoke", -1);
2966 g_assert (method != NULL);
2968 sig = mono_signature_no_pinvoke (method);
2970 msg = mono_method_call_message_new (method, params, NULL, NULL, NULL);
2972 ares = mono_array_get (msg->args, gpointer, sig->param_count - 1);
2974 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."));
2978 if (ares->async_delegate != (MonoObject*)delegate) {
2979 mono_raise_exception (mono_get_exception_invalid_operation (
2980 "The IAsyncResult object provided does not match this delegate."));
2984 #ifndef DISABLE_REMOTING
2985 if (delegate->target && mono_object_is_transparent_proxy (delegate->target)) {
2986 MonoTransparentProxy* tp = (MonoTransparentProxy *)delegate->target;
2987 msg = (MonoMethodMessage *)mono_object_new (domain, mono_defaults.mono_method_message_class);
2988 mono_message_init (domain, msg, delegate->method_info, NULL);
2989 msg->call_type = CallType_EndInvoke;
2990 MONO_OBJECT_SETREF (msg, async_result, ares);
2991 res = mono_remoting_invoke ((MonoObject *)tp->rp, msg, &exc, &out_args);
2995 res = mono_thread_pool_finish (ares, &out_args, &exc);
2999 if (((MonoException*)exc)->stack_trace) {
3000 char *strace = mono_string_to_utf8 (((MonoException*)exc)->stack_trace);
3002 tmp = g_strdup_printf ("%s\nException Rethrown at:\n", strace);
3004 MONO_OBJECT_SETREF (((MonoException*)exc), stack_trace, mono_string_new (domain, tmp));
3007 mono_raise_exception ((MonoException*)exc);
3010 mono_method_return_message_restore (method, params, out_args);
3017 mono_mb_emit_restore_result (MonoMethodBuilder *mb, MonoType *return_type)
3019 MonoType *t = mono_type_get_underlying_type (return_type);
3021 if (return_type->byref)
3022 return_type = &mono_defaults.int_class->byval_arg;
3025 case MONO_TYPE_VOID:
3026 g_assert_not_reached ();
3029 case MONO_TYPE_STRING:
3030 case MONO_TYPE_CLASS:
3031 case MONO_TYPE_OBJECT:
3032 case MONO_TYPE_ARRAY:
3033 case MONO_TYPE_SZARRAY:
3037 case MONO_TYPE_BOOLEAN:
3040 case MONO_TYPE_CHAR:
3050 mono_mb_emit_op (mb, CEE_UNBOX, mono_class_from_mono_type (return_type));
3051 mono_mb_emit_byte (mb, mono_type_to_ldind (return_type));
3053 case MONO_TYPE_GENERICINST:
3054 if (!mono_type_generic_inst_is_valuetype (t))
3057 case MONO_TYPE_VALUETYPE: {
3058 MonoClass *klass = mono_class_from_mono_type (return_type);
3059 mono_mb_emit_op (mb, CEE_UNBOX, klass);
3060 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
3064 case MONO_TYPE_MVAR: {
3065 MonoClass *klass = mono_class_from_mono_type (return_type);
3066 mono_mb_emit_op (mb, CEE_UNBOX_ANY, klass);
3070 g_warning ("type 0x%x not handled", return_type->type);
3071 g_assert_not_reached ();
3074 mono_mb_emit_byte (mb, CEE_RET);
3077 #endif /* DISABLE_JIT */
3080 mono_marshal_get_delegate_end_invoke (MonoMethod *method)
3082 MonoMethodSignature *sig;
3083 MonoMethodBuilder *mb;
3088 MonoGenericContext *ctx = NULL;
3089 MonoMethod *orig_method = NULL;
3091 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
3092 !strcmp (method->name, "EndInvoke"));
3095 * For generic delegates, create a generic wrapper, and returns an instance to help AOT.
3097 if (method->is_inflated) {
3098 orig_method = method;
3099 ctx = &((MonoMethodInflated*)method)->context;
3100 method = ((MonoMethodInflated*)method)->declaring;
3103 sig = mono_signature_no_pinvoke (method);
3109 cache = get_cache (&method->klass->image->delegate_end_invoke_generic_cache, mono_aligned_addr_hash, NULL);
3110 res = check_generic_delegate_wrapper_cache (cache, orig_method, method, ctx);
3114 cache = get_cache (&method->klass->image->delegate_end_invoke_cache,
3115 (GHashFunc)mono_signature_hash,
3116 (GCompareFunc)mono_metadata_signature_equal);
3117 if ((res = mono_marshal_find_in_cache (cache, sig)))
3121 g_assert (sig->hasthis);
3123 name = mono_signature_to_name (sig, "end_invoke");
3125 mb = mono_mb_new (method->klass, name, MONO_WRAPPER_DELEGATE_END_INVOKE);
3127 mb = mono_mb_new (get_wrapper_target_class (method->klass->image), name, MONO_WRAPPER_DELEGATE_END_INVOKE);
3131 params_var = mono_mb_emit_save_args (mb, sig, FALSE);
3133 mono_mb_emit_ldarg (mb, 0);
3134 mono_mb_emit_ldloc (mb, params_var);
3135 mono_mb_emit_icall (mb, mono_delegate_end_invoke);
3137 if (sig->ret->type == MONO_TYPE_VOID) {
3138 mono_mb_emit_byte (mb, CEE_POP);
3139 mono_mb_emit_byte (mb, CEE_RET);
3141 mono_mb_emit_restore_result (mb, sig->ret);
3146 def = mono_mb_create_and_cache (cache, method->klass, mb, sig, sig->param_count + 16);
3147 res = cache_generic_delegate_wrapper (cache, orig_method, def, ctx);
3149 res = mono_mb_create_and_cache (cache, sig,
3150 mb, sig, sig->param_count + 16);
3157 #ifndef DISABLE_REMOTING
3160 mono_remoting_wrapper (MonoMethod *method, gpointer *params)
3162 MonoMethodMessage *msg;
3163 MonoTransparentProxy *this;
3164 MonoObject *res, *exc;
3165 MonoArray *out_args;
3167 this = *((MonoTransparentProxy **)params [0]);
3170 g_assert (((MonoObject *)this)->vtable->klass == mono_defaults.transparent_proxy_class);
3172 /* skip the this pointer */
3175 if (mono_class_is_contextbound (this->remote_class->proxy_class) && this->rp->context == (MonoObject *) mono_context_get ())
3178 MonoMethodSignature *sig = mono_method_signature (method);
3179 int count = sig->param_count;
3180 gpointer* mparams = (gpointer*) alloca(count*sizeof(gpointer));
3182 for (i=0; i<count; i++) {
3183 MonoClass *class = mono_class_from_mono_type (sig->params [i]);
3184 if (class->valuetype) {
3185 if (sig->params [i]->byref) {
3186 mparams[i] = *((gpointer *)params [i]);
3188 /* runtime_invoke expects a boxed instance */
3189 if (mono_class_is_nullable (mono_class_from_mono_type (sig->params [i])))
3190 mparams[i] = mono_nullable_box (params [i], class);
3192 mparams[i] = params [i];
3195 mparams[i] = *((gpointer**)params [i]);
3199 return mono_runtime_invoke (method, method->klass->valuetype? mono_object_unbox ((MonoObject*)this): this, mparams, NULL);
3202 msg = mono_method_call_message_new (method, params, NULL, NULL, NULL);
3204 res = mono_remoting_invoke ((MonoObject *)this->rp, msg, &exc, &out_args);
3207 mono_raise_exception ((MonoException *)exc);
3209 mono_method_return_message_restore (method, params, out_args);
3215 mono_marshal_get_remoting_invoke (MonoMethod *method)
3217 MonoMethodSignature *sig;
3218 MonoMethodBuilder *mb;
3224 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE || method->wrapper_type == MONO_WRAPPER_XDOMAIN_INVOKE)
3227 /* this seems to be the best plase to put this, as all remoting invokes seem to get filtered through here */
3229 if (mono_class_is_com_object (method->klass) || method->klass == mono_class_get_com_object_class ()) {
3230 MonoVTable *vtable = mono_class_vtable (mono_domain_get (), method->klass);
3231 g_assert (vtable); /*FIXME do proper error handling*/
3233 if (!mono_vtable_is_remote (vtable)) {
3234 return mono_cominterop_get_invoke (method);
3239 sig = mono_signature_no_pinvoke (method);
3241 /* we cant remote methods without this pointer */
3245 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_REMOTING_INVOKE)))
3248 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_REMOTING_INVOKE);
3251 mb->method->save_lmf = 1;
3253 params_var = mono_mb_emit_save_args (mb, sig, TRUE);
3255 mono_mb_emit_ptr (mb, method);
3256 mono_mb_emit_ldloc (mb, params_var);
3257 mono_mb_emit_icall (mb, mono_remoting_wrapper);
3258 emit_thread_interrupt_checkpoint (mb);
3260 if (sig->ret->type == MONO_TYPE_VOID) {
3261 mono_mb_emit_byte (mb, CEE_POP);
3262 mono_mb_emit_byte (mb, CEE_RET);
3264 mono_mb_emit_restore_result (mb, sig->ret);
3268 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16);
3274 #endif /* DISABLE_REMOTING */
3277 /* mono_get_xdomain_marshal_type()
3278 * Returns the kind of marshalling that a type needs for cross domain calls.
3280 static MonoXDomainMarshalType
3281 mono_get_xdomain_marshal_type (MonoType *t)
3284 case MONO_TYPE_VOID:
3285 g_assert_not_reached ();
3289 case MONO_TYPE_BOOLEAN:
3292 case MONO_TYPE_CHAR:
3299 return MONO_MARSHAL_NONE;
3300 case MONO_TYPE_STRING:
3301 return MONO_MARSHAL_COPY;
3302 case MONO_TYPE_ARRAY:
3303 case MONO_TYPE_SZARRAY: {
3304 MonoClass *elem_class = mono_class_from_mono_type (t)->element_class;
3305 if (mono_get_xdomain_marshal_type (&(elem_class->byval_arg)) != MONO_MARSHAL_SERIALIZE)
3306 return MONO_MARSHAL_COPY;
3311 return MONO_MARSHAL_SERIALIZE;
3315 /* mono_marshal_xdomain_copy_value
3316 * Makes a copy of "val" suitable for the current domain.
3319 mono_marshal_xdomain_copy_value (MonoObject *val)
3322 if (val == NULL) return NULL;
3324 domain = mono_domain_get ();
3326 switch (mono_object_class (val)->byval_arg.type) {
3327 case MONO_TYPE_VOID:
3328 g_assert_not_reached ();
3332 case MONO_TYPE_BOOLEAN:
3335 case MONO_TYPE_CHAR:
3341 case MONO_TYPE_R8: {
3342 return mono_value_box (domain, mono_object_class (val), ((char*)val) + sizeof(MonoObject));
3344 case MONO_TYPE_STRING: {
3345 MonoString *str = (MonoString *) val;
3346 return (MonoObject *) mono_string_new_utf16 (domain, mono_string_chars (str), mono_string_length (str));
3348 case MONO_TYPE_ARRAY:
3349 case MONO_TYPE_SZARRAY: {
3351 MonoXDomainMarshalType mt = mono_get_xdomain_marshal_type (&(mono_object_class (val)->element_class->byval_arg));
3352 if (mt == MONO_MARSHAL_SERIALIZE) return NULL;
3353 acopy = mono_array_clone_in_domain (domain, (MonoArray *) val);
3354 if (mt == MONO_MARSHAL_COPY) {
3355 int i, len = mono_array_length (acopy);
3356 for (i = 0; i < len; i++) {
3357 MonoObject *item = mono_array_get (acopy, gpointer, i);
3358 mono_array_setref (acopy, i, mono_marshal_xdomain_copy_value (item));
3361 return (MonoObject *) acopy;
3365 if (mono_object_class (val) == mono_defaults.stringbuilder_class) {
3366 MonoStringBuilder *oldsb = (MonoStringBuilder *) val;
3367 MonoStringBuilder *newsb = (MonoStringBuilder *) mono_object_new (domain, mono_defaults.stringbuilder_class);
3368 MONO_OBJECT_SETREF (newsb, str, mono_string_new_utf16 (domain, mono_string_chars (oldsb->str), mono_string_length (oldsb->str)));
3369 newsb->length = oldsb->length;
3370 newsb->max_capacity = (gint32)0x7fffffff;
3371 return (MonoObject *) newsb;
3376 /* mono_marshal_xdomain_copy_out_value()
3377 * Copies the contents of the src instance into the dst instance. src and dst
3378 * must have the same type, and if they are arrays, the same size.
3381 mono_marshal_xdomain_copy_out_value (MonoObject *src, MonoObject *dst)
3383 if (src == NULL || dst == NULL) return;
3385 g_assert (mono_object_class (src) == mono_object_class (dst));
3387 switch (mono_object_class (src)->byval_arg.type) {
3388 case MONO_TYPE_ARRAY:
3389 case MONO_TYPE_SZARRAY: {
3390 int mt = mono_get_xdomain_marshal_type (&(mono_object_class (src)->element_class->byval_arg));
3391 if (mt == MONO_MARSHAL_SERIALIZE) return;
3392 if (mt == MONO_MARSHAL_COPY) {
3393 int i, len = mono_array_length ((MonoArray *)dst);
3394 for (i = 0; i < len; i++) {
3395 MonoObject *item = mono_array_get ((MonoArray *)src, gpointer, i);
3396 mono_array_setref ((MonoArray *)dst, i, mono_marshal_xdomain_copy_value (item));
3399 mono_array_full_copy ((MonoArray *)src, (MonoArray *)dst);
3405 if (mono_object_class (src) == mono_defaults.stringbuilder_class) {
3406 MonoStringBuilder *src_sb = (MonoStringBuilder *) src;
3407 MonoStringBuilder *dst_sb = (MonoStringBuilder *) dst;
3409 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)));
3410 dst_sb->cached_str = NULL;
3411 dst_sb->length = src_sb->length;
3416 #if !(defined (DISABLE_JIT) || defined (DISABLE_REMOTING))
3419 mono_marshal_emit_xdomain_copy_value (MonoMethodBuilder *mb, MonoClass *pclass)
3421 mono_mb_emit_icall (mb, mono_marshal_xdomain_copy_value);
3422 mono_mb_emit_op (mb, CEE_CASTCLASS, pclass);
3426 mono_marshal_emit_xdomain_copy_out_value (MonoMethodBuilder *mb, MonoClass *pclass)
3428 mono_mb_emit_icall (mb, mono_marshal_xdomain_copy_out_value);
3432 #ifndef DISABLE_REMOTING
3433 /* mono_marshal_supports_fast_xdomain()
3434 * Returns TRUE if the method can use the fast xdomain wrapper.
3437 mono_marshal_supports_fast_xdomain (MonoMethod *method)
3439 return !mono_class_is_contextbound (method->klass) &&
3440 !((method->flags & METHOD_ATTRIBUTE_SPECIAL_NAME) && (strcmp (".ctor", method->name) == 0));
3445 mono_marshal_set_domain_by_id (gint32 id, MonoBoolean push)
3447 MonoDomain *current_domain = mono_domain_get ();
3448 MonoDomain *domain = mono_domain_get_by_id (id);
3450 if (!domain || !mono_domain_set (domain, FALSE))
3451 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
3454 mono_thread_push_appdomain_ref (domain);
3456 mono_thread_pop_appdomain_ref ();
3458 return current_domain->domain_id;
3461 #if !(defined (DISABLE_JIT) || defined (DISABLE_REMOTING))
3463 mono_marshal_emit_switch_domain (MonoMethodBuilder *mb)
3465 mono_mb_emit_icall (mb, mono_marshal_set_domain_by_id);
3468 /* mono_marshal_emit_load_domain_method ()
3469 * Loads into the stack a pointer to the code of the provided method for
3470 * the current domain.
3473 mono_marshal_emit_load_domain_method (MonoMethodBuilder *mb, MonoMethod *method)
3475 /* We need a pointer to the method for the running domain (not the domain
3476 * that compiles the method).
3478 mono_mb_emit_ptr (mb, method);
3479 mono_mb_emit_icall (mb, mono_compile_method);
3483 /* mono_marshal_check_domain_image ()
3484 * Returns TRUE if the image is loaded in the specified
3485 * application domain.
3488 mono_marshal_check_domain_image (gint32 domain_id, MonoImage *image)
3493 MonoDomain *domain = mono_domain_get_by_id (domain_id);
3497 mono_domain_assemblies_lock (domain);
3498 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
3500 if (ass->image == image)
3503 mono_domain_assemblies_unlock (domain);
3508 #ifndef DISABLE_REMOTING
3510 /* mono_marshal_get_xappdomain_dispatch ()
3511 * Generates a method that dispatches a method call from another domain into
3512 * the current domain.
3515 mono_marshal_get_xappdomain_dispatch (MonoMethod *method, int *marshal_types, int complex_count, int complex_out_count, int ret_marshal_type)
3517 MonoMethodSignature *sig, *csig;
3518 MonoMethodBuilder *mb;
3520 int i, j, param_index, copy_locals_base;
3521 MonoClass *ret_class = NULL;
3522 int loc_array=0, loc_return=0, loc_serialized_exc=0;
3523 MonoExceptionClause *main_clause;
3525 gboolean copy_return;
3527 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_XDOMAIN_DISPATCH)))
3530 sig = mono_method_signature (method);
3531 copy_return = (sig->ret->type != MONO_TYPE_VOID && ret_marshal_type != MONO_MARSHAL_SERIALIZE);
3534 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3 + sig->param_count - complex_count);
3535 csig->params [j++] = &mono_defaults.object_class->byval_arg;
3536 csig->params [j++] = &byte_array_class->this_arg;
3537 csig->params [j++] = &byte_array_class->this_arg;
3538 for (i = 0; i < sig->param_count; i++) {
3539 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE)
3540 csig->params [j++] = sig->params [i];
3543 csig->ret = sig->ret;
3545 csig->ret = &mono_defaults.void_class->byval_arg;
3547 csig->hasthis = FALSE;
3549 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_XDOMAIN_DISPATCH);
3550 mb->method->save_lmf = 1;
3555 loc_serialized_exc = mono_mb_add_local (mb, &byte_array_class->byval_arg);
3556 if (complex_count > 0)
3557 loc_array = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3558 if (sig->ret->type != MONO_TYPE_VOID) {
3559 loc_return = mono_mb_add_local (mb, sig->ret);
3560 ret_class = mono_class_from_mono_type (sig->ret);
3565 main_clause = mono_image_alloc0 (method->klass->image, sizeof (MonoExceptionClause));
3566 main_clause->try_offset = mono_mb_get_label (mb);
3568 /* Clean the call context */
3570 mono_mb_emit_byte (mb, CEE_LDNULL);
3571 mono_mb_emit_managed_call (mb, method_set_call_context, NULL);
3572 mono_mb_emit_byte (mb, CEE_POP);
3574 /* Deserialize call data */
3576 mono_mb_emit_ldarg (mb, 1);
3577 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3578 mono_mb_emit_byte (mb, CEE_DUP);
3579 pos = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
3581 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
3582 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
3584 if (complex_count > 0)
3585 mono_mb_emit_stloc (mb, loc_array);
3587 mono_mb_emit_byte (mb, CEE_POP);
3589 mono_mb_patch_short_branch (mb, pos);
3591 /* Get the target object */
3593 mono_mb_emit_ldarg (mb, 0);
3594 mono_mb_emit_managed_call (mb, method_rs_appdomain_target, NULL);
3596 /* Load the arguments */
3598 copy_locals_base = mb->locals;
3599 param_index = 3; // Index of the first non-serialized parameter of this wrapper
3601 for (i = 0; i < sig->param_count; i++) {
3602 MonoType *pt = sig->params [i];
3603 MonoClass *pclass = mono_class_from_mono_type (pt);
3604 switch (marshal_types [i]) {
3605 case MONO_MARSHAL_SERIALIZE: {
3606 /* take the value from the serialized array */
3607 mono_mb_emit_ldloc (mb, loc_array);
3608 mono_mb_emit_icon (mb, j++);
3610 if (pclass->valuetype) {
3611 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3612 mono_mb_emit_op (mb, CEE_UNBOX, pclass);
3614 mono_mb_emit_op (mb, CEE_LDELEMA, pclass);
3617 if (pclass->valuetype) {
3618 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3619 mono_mb_emit_op (mb, CEE_UNBOX, pclass);
3620 mono_mb_emit_op (mb, CEE_LDOBJ, pclass);
3622 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3623 if (pclass != mono_defaults.object_class) {
3624 mono_mb_emit_op (mb, CEE_CASTCLASS, pclass);
3630 case MONO_MARSHAL_COPY_OUT: {
3631 /* Keep a local copy of the value since we need to copy it back after the call */
3632 int copy_local = mono_mb_add_local (mb, &(pclass->byval_arg));
3633 mono_mb_emit_ldarg (mb, param_index++);
3634 mono_marshal_emit_xdomain_copy_value (mb, pclass);
3635 mono_mb_emit_byte (mb, CEE_DUP);
3636 mono_mb_emit_stloc (mb, copy_local);
3639 case MONO_MARSHAL_COPY: {
3640 mono_mb_emit_ldarg (mb, param_index);
3642 mono_mb_emit_byte (mb, CEE_DUP);
3643 mono_mb_emit_byte (mb, CEE_DUP);
3644 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3645 mono_marshal_emit_xdomain_copy_value (mb, pclass);
3646 mono_mb_emit_byte (mb, CEE_STIND_REF);
3648 mono_marshal_emit_xdomain_copy_value (mb, pclass);
3653 case MONO_MARSHAL_NONE:
3654 mono_mb_emit_ldarg (mb, param_index++);
3659 /* Make the call to the real object */
3661 emit_thread_force_interrupt_checkpoint (mb);
3663 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
3665 if (sig->ret->type != MONO_TYPE_VOID)
3666 mono_mb_emit_stloc (mb, loc_return);
3668 /* copy back MONO_MARSHAL_COPY_OUT parameters */
3672 for (i = 0; i < sig->param_count; i++) {
3673 if (marshal_types [i] == MONO_MARSHAL_SERIALIZE) continue;
3674 if (marshal_types [i] == MONO_MARSHAL_COPY_OUT) {
3675 mono_mb_emit_ldloc (mb, copy_locals_base + (j++));
3676 mono_mb_emit_ldarg (mb, param_index);
3677 mono_marshal_emit_xdomain_copy_out_value (mb, mono_class_from_mono_type (sig->params [i]));
3682 /* Serialize the return values */
3684 if (complex_out_count > 0) {
3685 /* Reset parameters in the array that don't need to be serialized back */
3687 for (i = 0; i < sig->param_count; i++) {
3688 if (marshal_types[i] != MONO_MARSHAL_SERIALIZE) continue;
3689 if (!sig->params [i]->byref) {
3690 mono_mb_emit_ldloc (mb, loc_array);
3691 mono_mb_emit_icon (mb, j);
3692 mono_mb_emit_byte (mb, CEE_LDNULL);
3693 mono_mb_emit_byte (mb, CEE_STELEM_REF);
3698 /* Add the return value to the array */
3700 if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
3701 mono_mb_emit_ldloc (mb, loc_array);
3702 mono_mb_emit_icon (mb, complex_count); /* The array has an additional slot to hold the ret value */
3703 mono_mb_emit_ldloc (mb, loc_return);
3705 g_assert (ret_class); /*FIXME properly fail here*/
3706 if (ret_class->valuetype) {
3707 mono_mb_emit_op (mb, CEE_BOX, ret_class);
3709 mono_mb_emit_byte (mb, CEE_STELEM_REF);
3714 mono_mb_emit_ldarg (mb, 1);
3715 mono_mb_emit_ldloc (mb, loc_array);
3716 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3717 mono_mb_emit_byte (mb, CEE_STIND_REF);
3718 } else if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
3719 mono_mb_emit_ldarg (mb, 1);
3720 mono_mb_emit_ldloc (mb, loc_return);
3721 if (ret_class->valuetype) {
3722 mono_mb_emit_op (mb, CEE_BOX, ret_class);
3724 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3725 mono_mb_emit_byte (mb, CEE_STIND_REF);
3727 mono_mb_emit_ldarg (mb, 1);
3728 mono_mb_emit_byte (mb, CEE_LDNULL);
3729 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3730 mono_mb_emit_byte (mb, CEE_STIND_REF);
3733 mono_mb_emit_ldarg (mb, 2);
3734 mono_mb_emit_byte (mb, CEE_LDNULL);
3735 mono_mb_emit_byte (mb, CEE_STIND_REF);
3736 pos_leave = mono_mb_emit_branch (mb, CEE_LEAVE);
3738 /* Main exception catch */
3739 main_clause->flags = MONO_EXCEPTION_CLAUSE_NONE;
3740 main_clause->try_len = mono_mb_get_pos (mb) - main_clause->try_offset;
3741 main_clause->data.catch_class = mono_defaults.object_class;
3744 main_clause->handler_offset = mono_mb_get_label (mb);
3745 mono_mb_emit_managed_call (mb, method_rs_serialize_exc, NULL);
3746 mono_mb_emit_stloc (mb, loc_serialized_exc);
3747 mono_mb_emit_ldarg (mb, 2);
3748 mono_mb_emit_ldloc (mb, loc_serialized_exc);
3749 mono_mb_emit_byte (mb, CEE_STIND_REF);
3750 mono_mb_emit_branch (mb, CEE_LEAVE);
3751 main_clause->handler_len = mono_mb_get_pos (mb) - main_clause->handler_offset;
3754 mono_mb_patch_branch (mb, pos_leave);
3757 mono_mb_emit_ldloc (mb, loc_return);
3759 mono_mb_emit_byte (mb, CEE_RET);
3761 mono_mb_set_clauses (mb, 1, main_clause);
3764 res = mono_remoting_mb_create_and_cache (method, mb, csig, csig->param_count + 16);
3770 /* mono_marshal_get_xappdomain_invoke ()
3771 * Generates a fast remoting wrapper for cross app domain calls.
3774 mono_marshal_get_xappdomain_invoke (MonoMethod *method)
3776 MonoMethodSignature *sig;
3777 MonoMethodBuilder *mb;
3779 int i, j, complex_count, complex_out_count, copy_locals_base;
3781 MonoClass *ret_class = NULL;
3782 MonoMethod *xdomain_method;
3783 int ret_marshal_type = MONO_MARSHAL_NONE;
3784 int loc_array=0, loc_serialized_data=-1, loc_real_proxy;
3785 int loc_old_domainid, loc_domainid, loc_return=0, loc_serialized_exc=0, loc_context;
3786 int pos, pos_dispatch, pos_noex;
3787 gboolean copy_return = FALSE;
3791 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE || method->wrapper_type == MONO_WRAPPER_XDOMAIN_INVOKE)
3794 /* we cant remote methods without this pointer */
3795 if (!mono_method_signature (method)->hasthis)
3798 if (!mono_marshal_supports_fast_xdomain (method))
3799 return mono_marshal_get_remoting_invoke (method);
3801 mono_remoting_marshal_init ();
3803 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_XDOMAIN_INVOKE)))
3806 sig = mono_signature_no_pinvoke (method);
3808 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_XDOMAIN_INVOKE);
3809 mb->method->save_lmf = 1;
3811 /* Count the number of parameters that need to be serialized */
3813 marshal_types = alloca (sizeof (int) * sig->param_count);
3814 complex_count = complex_out_count = 0;
3815 for (i = 0; i < sig->param_count; i++) {
3816 MonoType *ptype = sig->params[i];
3817 int mt = mono_get_xdomain_marshal_type (ptype);
3819 /* If the [Out] attribute is applied to a parameter that can be internally copied,
3820 * the copy will be made by reusing the original object instance
3822 if ((ptype->attrs & PARAM_ATTRIBUTE_OUT) != 0 && mt == MONO_MARSHAL_COPY && !ptype->byref)
3823 mt = MONO_MARSHAL_COPY_OUT;
3824 else if (mt == MONO_MARSHAL_SERIALIZE) {
3826 if (ptype->byref) complex_out_count++;
3828 marshal_types [i] = mt;
3831 if (sig->ret->type != MONO_TYPE_VOID) {
3832 ret_marshal_type = mono_get_xdomain_marshal_type (sig->ret);
3833 ret_class = mono_class_from_mono_type (sig->ret);
3834 copy_return = ret_marshal_type != MONO_MARSHAL_SERIALIZE;
3840 if (complex_count > 0)
3841 loc_array = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3842 loc_serialized_data = mono_mb_add_local (mb, &byte_array_class->byval_arg);
3843 loc_real_proxy = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3845 loc_return = mono_mb_add_local (mb, sig->ret);
3846 loc_old_domainid = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
3847 loc_domainid = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
3848 loc_serialized_exc = mono_mb_add_local (mb, &byte_array_class->byval_arg);
3849 loc_context = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3851 /* Save thread domain data */
3853 mono_mb_emit_icall (mb, mono_context_get);
3854 mono_mb_emit_byte (mb, CEE_DUP);
3855 mono_mb_emit_stloc (mb, loc_context);
3857 /* If the thread is not running in the default context, it needs to go
3858 * through the whole remoting sink, since the context is going to change
3860 mono_mb_emit_managed_call (mb, method_needs_context_sink, NULL);
3861 pos = mono_mb_emit_short_branch (mb, CEE_BRTRUE_S);
3863 /* Another case in which the fast path can't be used: when the target domain
3864 * has a different image for the same assembly.
3867 /* Get the target domain id */
3869 mono_mb_emit_ldarg (mb, 0);
3870 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
3871 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3872 mono_mb_emit_byte (mb, CEE_DUP);
3873 mono_mb_emit_stloc (mb, loc_real_proxy);
3875 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoRealProxy, target_domain_id));
3876 mono_mb_emit_byte (mb, CEE_LDIND_I4);
3877 mono_mb_emit_stloc (mb, loc_domainid);
3879 /* Check if the target domain has the same image for the required assembly */
3881 mono_mb_emit_ldloc (mb, loc_domainid);
3882 mono_mb_emit_ptr (mb, method->klass->image);
3883 mono_mb_emit_icall (mb, mono_marshal_check_domain_image);
3884 pos_dispatch = mono_mb_emit_short_branch (mb, CEE_BRTRUE_S);
3886 /* Use the whole remoting sink to dispatch this message */
3888 mono_mb_patch_short_branch (mb, pos);
3890 mono_mb_emit_ldarg (mb, 0);
3891 for (i = 0; i < sig->param_count; i++)
3892 mono_mb_emit_ldarg (mb, i + 1);
3894 mono_mb_emit_managed_call (mb, mono_marshal_get_remoting_invoke (method), NULL);
3895 mono_mb_emit_byte (mb, CEE_RET);
3896 mono_mb_patch_short_branch (mb, pos_dispatch);
3898 /* Create the array that will hold the parameters to be serialized */
3900 if (complex_count > 0) {
3901 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 */
3902 mono_mb_emit_op (mb, CEE_NEWARR, mono_defaults.object_class);
3905 for (i = 0; i < sig->param_count; i++) {
3907 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE) continue;
3908 pclass = mono_class_from_mono_type (sig->params[i]);
3909 mono_mb_emit_byte (mb, CEE_DUP);
3910 mono_mb_emit_icon (mb, j);
3911 mono_mb_emit_ldarg (mb, i + 1); /* 0=this */
3912 if (sig->params[i]->byref) {
3913 if (pclass->valuetype)
3914 mono_mb_emit_op (mb, CEE_LDOBJ, pclass);
3916 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3918 if (pclass->valuetype)
3919 mono_mb_emit_op (mb, CEE_BOX, pclass);
3920 mono_mb_emit_byte (mb, CEE_STELEM_REF);
3923 mono_mb_emit_stloc (mb, loc_array);
3925 /* Serialize parameters */
3927 mono_mb_emit_ldloc (mb, loc_array);
3928 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3929 mono_mb_emit_stloc (mb, loc_serialized_data);
3931 mono_mb_emit_byte (mb, CEE_LDNULL);
3932 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3933 mono_mb_emit_stloc (mb, loc_serialized_data);
3938 mono_mb_emit_ldloc (mb, loc_domainid);
3939 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
3940 mono_marshal_emit_switch_domain (mb);
3941 mono_mb_emit_stloc (mb, loc_old_domainid);
3943 /* Load the arguments */
3945 mono_mb_emit_ldloc (mb, loc_real_proxy);
3946 mono_mb_emit_ldloc_addr (mb, loc_serialized_data);
3947 mono_mb_emit_ldloc_addr (mb, loc_serialized_exc);
3949 copy_locals_base = mb->locals;
3950 for (i = 0; i < sig->param_count; i++) {
3951 switch (marshal_types [i]) {
3952 case MONO_MARSHAL_SERIALIZE:
3954 case MONO_MARSHAL_COPY: {
3955 mono_mb_emit_ldarg (mb, i+1);
3956 if (sig->params [i]->byref) {
3957 /* make a local copy of the byref parameter. The real parameter
3958 * will be updated after the xdomain call
3960 MonoClass *pclass = mono_class_from_mono_type (sig->params [i]);
3961 int copy_local = mono_mb_add_local (mb, &(pclass->byval_arg));
3962 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3963 mono_mb_emit_stloc (mb, copy_local);
3964 mono_mb_emit_ldloc_addr (mb, copy_local);
3968 case MONO_MARSHAL_COPY_OUT:
3969 case MONO_MARSHAL_NONE:
3970 mono_mb_emit_ldarg (mb, i+1);
3975 /* Make the call to the invoke wrapper in the target domain */
3977 xdomain_method = mono_marshal_get_xappdomain_dispatch (method, marshal_types, complex_count, complex_out_count, ret_marshal_type);
3978 mono_marshal_emit_load_domain_method (mb, xdomain_method);
3979 mono_mb_emit_calli (mb, mono_method_signature (xdomain_method));
3982 mono_mb_emit_stloc (mb, loc_return);
3986 mono_mb_emit_ldloc (mb, loc_old_domainid);
3987 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
3988 mono_marshal_emit_switch_domain (mb);
3989 mono_mb_emit_byte (mb, CEE_POP);
3991 /* Restore thread domain data */
3993 mono_mb_emit_ldloc (mb, loc_context);
3994 mono_mb_emit_icall (mb, mono_context_set);
3996 /* if (loc_serialized_exc != null) ... */
3998 mono_mb_emit_ldloc (mb, loc_serialized_exc);
3999 pos_noex = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
4001 mono_mb_emit_ldloc (mb, loc_serialized_exc);
4002 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
4003 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
4004 mono_mb_emit_op (mb, CEE_CASTCLASS, mono_defaults.exception_class);
4005 mono_mb_emit_managed_call (mb, method_exc_fixexc, NULL);
4006 mono_mb_emit_byte (mb, CEE_THROW);
4007 mono_mb_patch_short_branch (mb, pos_noex);
4009 /* copy back non-serialized output parameters */
4012 for (i = 0; i < sig->param_count; i++) {
4013 if (!sig->params [i]->byref || marshal_types [i] != MONO_MARSHAL_COPY) continue;
4014 mono_mb_emit_ldarg (mb, i + 1);
4015 mono_mb_emit_ldloc (mb, copy_locals_base + (j++));
4016 mono_marshal_emit_xdomain_copy_value (mb, mono_class_from_mono_type (sig->params [i]));
4017 mono_mb_emit_byte (mb, CEE_STIND_REF);
4020 /* Deserialize out parameters */
4022 if (complex_out_count > 0) {
4023 mono_mb_emit_ldloc (mb, loc_serialized_data);
4024 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
4025 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
4026 mono_mb_emit_stloc (mb, loc_array);
4028 /* Copy back output parameters and return type */
4031 for (i = 0; i < sig->param_count; i++) {
4032 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE) continue;
4033 if (sig->params[i]->byref) {
4034 MonoClass *pclass = mono_class_from_mono_type (sig->params [i]);
4035 mono_mb_emit_ldarg (mb, i + 1);
4036 mono_mb_emit_ldloc (mb, loc_array);
4037 mono_mb_emit_icon (mb, j);
4038 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
4039 if (pclass->valuetype) {
4040 mono_mb_emit_op (mb, CEE_UNBOX, pclass);
4041 mono_mb_emit_op (mb, CEE_LDOBJ, pclass);
4042 mono_mb_emit_op (mb, CEE_STOBJ, pclass);
4044 if (pclass != mono_defaults.object_class)
4045 mono_mb_emit_op (mb, CEE_CASTCLASS, pclass);
4046 mono_mb_emit_byte (mb, CEE_STIND_REF);
4052 if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
4053 mono_mb_emit_ldloc (mb, loc_array);
4054 mono_mb_emit_icon (mb, complex_count);
4055 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
4056 if (ret_class->valuetype) {
4057 mono_mb_emit_op (mb, CEE_UNBOX, ret_class);
4058 mono_mb_emit_op (mb, CEE_LDOBJ, ret_class);
4061 } else if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
4062 mono_mb_emit_ldloc (mb, loc_serialized_data);
4063 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
4064 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
4065 if (ret_class->valuetype) {
4066 mono_mb_emit_op (mb, CEE_UNBOX, ret_class);
4067 mono_mb_emit_op (mb, CEE_LDOBJ, ret_class);
4068 } else if (ret_class != mono_defaults.object_class) {
4069 mono_mb_emit_op (mb, CEE_CASTCLASS, ret_class);
4072 mono_mb_emit_ldloc (mb, loc_serialized_data);
4073 mono_mb_emit_byte (mb, CEE_DUP);
4074 pos = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
4075 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
4077 mono_mb_patch_short_branch (mb, pos);
4078 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
4079 mono_mb_emit_byte (mb, CEE_POP);
4083 mono_mb_emit_ldloc (mb, loc_return);
4084 if (ret_marshal_type == MONO_MARSHAL_COPY)
4085 mono_marshal_emit_xdomain_copy_value (mb, ret_class);
4088 mono_mb_emit_byte (mb, CEE_RET);
4089 #endif /* DISABLE_JIT */
4091 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16);
4098 mono_marshal_get_remoting_invoke_for_target (MonoMethod *method, MonoRemotingTarget target_type)
4100 if (target_type == MONO_REMOTING_TARGET_APPDOMAIN) {
4101 return mono_marshal_get_xappdomain_invoke (method);
4102 } else if (target_type == MONO_REMOTING_TARGET_COMINTEROP) {
4104 return mono_cominterop_get_invoke (method);
4106 g_assert_not_reached ();
4109 return mono_marshal_get_remoting_invoke (method);
4115 G_GNUC_UNUSED static gpointer
4116 mono_marshal_load_remoting_wrapper (MonoRealProxy *rp, MonoMethod *method)
4118 if (rp->target_domain_id != -1)
4119 return mono_compile_method (mono_marshal_get_xappdomain_invoke (method));
4121 return mono_compile_method (mono_marshal_get_remoting_invoke (method));
4125 mono_marshal_get_remoting_invoke_with_check (MonoMethod *method)
4127 MonoMethodSignature *sig;
4128 MonoMethodBuilder *mb;
4129 MonoMethod *res, *native;
4130 int i, pos, pos_rem;
4134 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK)
4137 /* we cant remote methods without this pointer */
4138 g_assert (mono_method_signature (method)->hasthis);
4140 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK)))
4143 sig = mono_signature_no_pinvoke (method);
4145 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK);
4148 for (i = 0; i <= sig->param_count; i++)
4149 mono_mb_emit_ldarg (mb, i);
4151 mono_mb_emit_ldarg (mb, 0);
4152 pos = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
4154 if (mono_marshal_supports_fast_xdomain (method)) {
4155 mono_mb_emit_ldarg (mb, 0);
4156 pos_rem = mono_mb_emit_xdomain_check (mb, CEE_BEQ);
4158 /* wrapper for cross app domain calls */
4159 native = mono_marshal_get_xappdomain_invoke (method);
4160 mono_mb_emit_managed_call (mb, native, mono_method_signature (native));
4161 mono_mb_emit_byte (mb, CEE_RET);
4163 mono_mb_patch_branch (mb, pos_rem);
4165 /* wrapper for normal remote calls */
4166 native = mono_marshal_get_remoting_invoke (method);
4167 mono_mb_emit_managed_call (mb, native, mono_method_signature (native));
4168 mono_mb_emit_byte (mb, CEE_RET);
4171 mono_mb_patch_branch (mb, pos);
4172 mono_mb_emit_managed_call (mb, method, mono_method_signature (method));
4173 mono_mb_emit_byte (mb, CEE_RET);
4176 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16);
4182 #endif /* DISABLE_REMOTING */
4186 MonoMethodSignature *sig;
4188 } SignatureMethodPair;
4191 signature_method_pair_hash (gconstpointer data)
4193 SignatureMethodPair *pair = (SignatureMethodPair*)data;
4195 return mono_signature_hash (pair->sig) ^ mono_aligned_addr_hash (pair->method);
4199 signature_method_pair_equal (SignatureMethodPair *pair1, SignatureMethodPair *pair2)
4201 return mono_metadata_signature_equal (pair1->sig, pair2->sig) && (pair1->method == pair2->method);
4205 signature_method_pair_matches_method (gpointer key, gpointer value, gpointer user_data)
4207 SignatureMethodPair *pair = (SignatureMethodPair*)key;
4208 MonoMethod *method = (MonoMethod*)user_data;
4210 return pair->method == method;
4214 free_signature_method_pair (SignatureMethodPair *pair)
4220 mono_marshal_get_delegate_invoke_internal (MonoMethod *method, gboolean callvirt, gboolean static_method_with_first_arg_bound, MonoMethod *target_method)
4222 MonoMethodSignature *sig, *static_sig, *invoke_sig;
4224 MonoMethodBuilder *mb;
4227 gpointer cache_key = NULL;
4228 SignatureMethodPair key;
4229 SignatureMethodPair *new_key;
4230 int local_prev, local_target;
4233 MonoClass *target_class = NULL;
4234 gboolean closed_over_null = FALSE;
4235 MonoGenericContext *ctx = NULL;
4236 MonoGenericContainer *container = NULL;
4237 MonoMethod *orig_method = NULL;
4239 WrapperSubtype subtype = WRAPPER_SUBTYPE_NONE;
4242 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
4243 !strcmp (method->name, "Invoke"));
4245 invoke_sig = sig = mono_signature_no_pinvoke (method);
4248 * If the delegate target is null, and the target method is not static, a virtual
4249 * call is made to that method with the first delegate argument as this. This is
4250 * a non-documented .NET feature.
4253 subtype = WRAPPER_SUBTYPE_DELEGATE_INVOKE_VIRTUAL;
4254 if (target_method->is_inflated) {
4255 MonoType *target_type;
4257 g_assert (method->signature->hasthis);
4258 target_type = mono_class_inflate_generic_type (method->signature->params [0],
4259 mono_method_get_context (method));
4260 target_class = mono_class_from_mono_type (target_type);
4262 target_class = target_method->klass;
4265 closed_over_null = sig->param_count == mono_method_signature (target_method)->param_count;
4268 if (static_method_with_first_arg_bound) {
4269 subtype = WRAPPER_SUBTYPE_DELEGATE_INVOKE_BOUND;
4270 g_assert (!callvirt);
4271 invoke_sig = mono_method_signature (target_method);
4275 * For generic delegates, create a generic wrapper, and return an instance to help AOT.
4277 if (method->is_inflated && subtype == WRAPPER_SUBTYPE_NONE) {
4278 orig_method = method;
4279 ctx = &((MonoMethodInflated*)method)->context;
4280 method = ((MonoMethodInflated*)method)->declaring;
4282 container = mono_method_get_generic_container (method);
4284 container = method->klass->generic_container;
4285 g_assert (container);
4287 invoke_sig = sig = mono_signature_no_pinvoke (method);
4294 cache = get_cache (&method->klass->image->delegate_invoke_generic_cache, mono_aligned_addr_hash, NULL);
4295 res = check_generic_delegate_wrapper_cache (cache, orig_method, method, ctx);
4298 cache_key = method->klass;
4299 } else if (static_method_with_first_arg_bound) {
4300 cache = get_cache (&method->klass->image->delegate_bound_static_invoke_cache,
4301 (GHashFunc)mono_signature_hash,
4302 (GCompareFunc)mono_metadata_signature_equal);
4304 * The wrapper is based on sig+invoke_sig, but sig can be derived from invoke_sig.
4306 res = mono_marshal_find_in_cache (cache, invoke_sig);
4309 cache_key = invoke_sig;
4310 } else if (callvirt) {
4311 GHashTable **cache_ptr;
4313 cache_ptr = &method->klass->image->delegate_abstract_invoke_cache;
4315 /* We need to cache the signature+method pair */
4316 mono_marshal_lock ();
4318 *cache_ptr = g_hash_table_new_full (signature_method_pair_hash, (GEqualFunc)signature_method_pair_equal, (GDestroyNotify)free_signature_method_pair, NULL);
4320 key.sig = invoke_sig;
4321 key.method = target_method;
4322 res = g_hash_table_lookup (cache, &key);
4323 mono_marshal_unlock ();
4327 cache = get_cache (&method->klass->image->delegate_invoke_cache,
4328 (GHashFunc)mono_signature_hash,
4329 (GCompareFunc)mono_metadata_signature_equal);
4330 res = mono_marshal_find_in_cache (cache, sig);
4336 static_sig = signature_dup (method->klass->image, sig);
4337 static_sig->hasthis = 0;
4338 if (!static_method_with_first_arg_bound)
4339 invoke_sig = static_sig;
4341 if (static_method_with_first_arg_bound)
4342 name = mono_signature_to_name (invoke_sig, "invoke_bound");
4343 else if (closed_over_null)
4344 name = mono_signature_to_name (invoke_sig, "invoke_closed_over_null");
4346 name = mono_signature_to_name (invoke_sig, "invoke_callvirt");
4348 name = mono_signature_to_name (invoke_sig, "invoke");
4350 mb = mono_mb_new (method->klass, name, MONO_WRAPPER_DELEGATE_INVOKE);
4352 mb = mono_mb_new (get_wrapper_target_class (method->klass->image), name, MONO_WRAPPER_DELEGATE_INVOKE);
4356 /* allocate local 0 (object) */
4357 local_target = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4358 local_prev = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4360 g_assert (sig->hasthis);
4364 * prev.Invoke( args .. );
4365 * return this.<target>( args .. );
4368 /* this wrapper can be used in unmanaged-managed transitions */
4369 emit_thread_interrupt_checkpoint (mb);
4371 /* get this->prev */
4372 mono_mb_emit_ldarg (mb, 0);
4373 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoMulticastDelegate, prev));
4374 mono_mb_emit_byte (mb, CEE_LDIND_REF);
4375 mono_mb_emit_stloc (mb, local_prev);
4376 mono_mb_emit_ldloc (mb, local_prev);
4378 /* if prev != null */
4379 pos0 = mono_mb_emit_branch (mb, CEE_BRFALSE);
4383 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4384 mono_mb_emit_byte (mb, CEE_MONO_NOT_TAKEN);
4386 mono_mb_emit_ldloc (mb, local_prev);
4387 for (i = 0; i < sig->param_count; i++)
4388 mono_mb_emit_ldarg (mb, i + 1);
4390 mono_mb_emit_op (mb, CEE_CALLVIRT, mono_class_inflate_generic_method (method, &container->context));
4392 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
4393 if (sig->ret->type != MONO_TYPE_VOID)
4394 mono_mb_emit_byte (mb, CEE_POP);
4396 /* continued or prev == null */
4397 mono_mb_patch_branch (mb, pos0);
4399 /* get this->target */
4400 mono_mb_emit_ldarg (mb, 0);
4401 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, target));
4402 mono_mb_emit_byte (mb, CEE_LDIND_REF);
4403 mono_mb_emit_stloc (mb, local_target);
4405 /*static methods with bound first arg can have null target and still be bound*/
4406 if (!static_method_with_first_arg_bound) {
4407 /* if target != null */
4408 mono_mb_emit_ldloc (mb, local_target);
4409 pos0 = mono_mb_emit_branch (mb, CEE_BRFALSE);
4411 /* then call this->method_ptr nonstatic */
4414 mono_mb_emit_exception_full (mb, "System", "NotImplementedException", "");
4416 mono_mb_emit_ldloc (mb, local_target);
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, sig);
4424 mono_mb_emit_byte (mb, CEE_RET);
4427 /* else [target == null] call this->method_ptr static */
4428 mono_mb_patch_branch (mb, pos0);
4432 if (!closed_over_null) {
4433 mono_mb_emit_ldarg (mb, 1);
4434 mono_mb_emit_op (mb, CEE_CASTCLASS, target_class);
4435 for (i = 1; i < sig->param_count; ++i)
4436 mono_mb_emit_ldarg (mb, i + 1);
4437 mono_mb_emit_op (mb, CEE_CALLVIRT, target_method);
4439 mono_mb_emit_byte (mb, CEE_LDNULL);
4440 for (i = 0; i < sig->param_count; ++i)
4441 mono_mb_emit_ldarg (mb, i + 1);
4442 mono_mb_emit_op (mb, CEE_CALL, target_method);
4445 if (static_method_with_first_arg_bound) {
4446 mono_mb_emit_ldloc (mb, local_target);
4447 if (!MONO_TYPE_IS_REFERENCE (invoke_sig->params[0]))
4448 mono_mb_emit_op (mb, CEE_UNBOX_ANY, mono_class_from_mono_type (invoke_sig->params[0]));
4450 for (i = 0; i < sig->param_count; ++i)
4451 mono_mb_emit_ldarg (mb, i + 1);
4452 mono_mb_emit_ldarg (mb, 0);
4453 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, method_ptr));
4454 mono_mb_emit_byte (mb, CEE_LDIND_I );
4455 mono_mb_emit_op (mb, CEE_CALLI, invoke_sig);
4458 mono_mb_emit_byte (mb, CEE_RET);
4460 mb->skip_visibility = 1;
4461 #endif /* DISABLE_JIT */
4466 def = mono_mb_create_and_cache (cache, cache_key, mb, sig, sig->param_count + 16);
4467 res = cache_generic_delegate_wrapper (cache, orig_method, def, ctx);
4468 } else if (callvirt) {
4469 new_key = g_new0 (SignatureMethodPair, 1);
4472 res = mono_mb_create_and_cache_full (cache, new_key, mb, sig, sig->param_count + 16, &found);
4475 info = mono_wrapper_info_create (res, subtype);
4476 mono_marshal_set_wrapper_info (res, info);
4478 res = mono_mb_create_and_cache (cache, cache_key, mb, sig, sig->param_count + 16);
4480 info = mono_wrapper_info_create (res, subtype);
4481 mono_marshal_set_wrapper_info (res, info);
4489 * the returned method invokes all methods in a multicast delegate.
4492 mono_marshal_get_delegate_invoke (MonoMethod *method, MonoDelegate *del)
4494 gboolean callvirt = FALSE;
4495 gboolean static_method_with_first_arg_bound = FALSE;
4496 MonoMethod *target_method = NULL;
4497 MonoMethodSignature *sig;
4499 sig = mono_signature_no_pinvoke (method);
4501 if (del && !del->target && del->method && mono_method_signature (del->method)->hasthis) {
4503 target_method = del->method;
4506 if (del && del->method && mono_method_signature (del->method)->param_count == sig->param_count + 1 && (del->method->flags & METHOD_ATTRIBUTE_STATIC)) {
4507 static_method_with_first_arg_bound = TRUE;
4508 target_method = del->method;
4511 return mono_marshal_get_delegate_invoke_internal (method, callvirt, static_method_with_first_arg_bound, target_method);
4515 * signature_dup_add_this:
4517 * Make a copy of @sig, adding an explicit this argument.
4519 static MonoMethodSignature*
4520 signature_dup_add_this (MonoImage *image, MonoMethodSignature *sig, MonoClass *klass)
4522 MonoMethodSignature *res;
4525 res = mono_metadata_signature_alloc (image, sig->param_count + 1);
4526 memcpy (res, sig, MONO_SIZEOF_METHOD_SIGNATURE);
4527 res->param_count = sig->param_count + 1;
4528 res->hasthis = FALSE;
4529 for (i = sig->param_count - 1; i >= 0; i --)
4530 res->params [i + 1] = sig->params [i];
4531 res->params [0] = klass->valuetype ? &klass->this_arg : &klass->byval_arg;
4537 MonoMethodSignature *ctor_sig;
4538 MonoMethodSignature *sig;
4541 /* protected by the marshal lock, contains CtorSigPair pointers */
4542 static GSList *strsig_list = NULL;
4544 static MonoMethodSignature *
4545 lookup_string_ctor_signature (MonoMethodSignature *sig)
4547 MonoMethodSignature *callsig;
4551 mono_marshal_lock ();
4553 for (item = strsig_list; item; item = item->next) {
4555 /* mono_metadata_signature_equal () is safe to call with the marshal lock
4556 * because it is lock-free.
4558 if (mono_metadata_signature_equal (sig, cs->ctor_sig)) {
4563 mono_marshal_unlock ();
4567 static MonoMethodSignature *
4568 add_string_ctor_signature (MonoMethod *method)
4570 MonoMethodSignature *callsig;
4573 callsig = signature_dup (method->klass->image, mono_method_signature (method));
4574 callsig->ret = &mono_defaults.string_class->byval_arg;
4575 cs = g_new (CtorSigPair, 1);
4577 cs->ctor_sig = mono_method_signature (method);
4579 mono_marshal_lock ();
4580 strsig_list = g_slist_prepend (strsig_list, cs);
4581 mono_marshal_unlock ();
4586 * mono_marshal_get_string_ctor_signature:
4588 * Return the modified signature used by string ctors (they return the newly created
4591 MonoMethodSignature*
4592 mono_marshal_get_string_ctor_signature (MonoMethod *method)
4594 MonoMethodSignature *sig = lookup_string_ctor_signature (mono_method_signature (method));
4596 sig = add_string_ctor_signature (method);
4602 get_runtime_invoke_type (MonoType *t, gboolean ret)
4605 if (t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t)))
4607 /* Can't share this with 'I' as that needs another indirection */
4608 return &mono_defaults.int_class->this_arg;
4611 if (MONO_TYPE_IS_REFERENCE (t))
4612 return &mono_defaults.object_class->byval_arg;
4615 /* The result needs to be boxed */
4620 /* Can't share these as the argument needs to be loaded using sign/zero extension */
4623 return &mono_defaults.sbyte_class->byval_arg;
4625 return &mono_defaults.int16_class->byval_arg;
4627 return &mono_defaults.int32_class->byval_arg;
4630 return &mono_defaults.int64_class->byval_arg;
4631 case MONO_TYPE_BOOLEAN:
4632 return &mono_defaults.byte_class->byval_arg;
4633 case MONO_TYPE_CHAR:
4634 return &mono_defaults.uint16_class->byval_arg;
4637 return &mono_defaults.int_class->byval_arg;
4638 case MONO_TYPE_VALUETYPE:
4639 if (t->data.klass->enumtype) {
4640 t = mono_class_enum_basetype (t->data.klass);
4650 * mono_marshal_get_runtime_invoke_sig:
4652 * Return a common signature used for sharing runtime invoke wrappers.
4654 static MonoMethodSignature*
4655 mono_marshal_get_runtime_invoke_sig (MonoMethodSignature *sig)
4657 MonoMethodSignature *res = mono_metadata_signature_dup (sig);
4660 res->ret = get_runtime_invoke_type (sig->ret, TRUE);
4661 for (i = 0; i < res->param_count; ++i)
4662 res->params [i] = get_runtime_invoke_type (sig->params [i], FALSE);
4668 runtime_invoke_signature_equal (MonoMethodSignature *sig1, MonoMethodSignature *sig2)
4670 /* Can't share wrappers which return a vtype since it needs to be boxed */
4671 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))
4674 return mono_metadata_signature_equal (sig1, sig2);
4682 * Emit the call to the wrapper method from a runtime invoke wrapper.
4685 emit_invoke_call (MonoMethodBuilder *mb, MonoMethod *method,
4686 MonoMethodSignature *sig, MonoMethodSignature *callsig,
4688 gboolean virtual, gboolean need_direct_wrapper)
4690 static MonoString *string_dummy = NULL;
4692 int *tmp_nullable_locals;
4693 gboolean void_ret = FALSE;
4695 /* to make it work with our special string constructors */
4696 if (!string_dummy) {
4697 MONO_GC_REGISTER_ROOT_SINGLE (string_dummy);
4698 string_dummy = mono_string_new_wrapper ("dummy");
4702 g_assert (sig->hasthis);
4703 g_assert (method->flags & METHOD_ATTRIBUTE_VIRTUAL);
4707 if (method->string_ctor) {
4708 if (mono_gc_is_moving ()) {
4709 mono_mb_emit_ptr (mb, &string_dummy);
4710 mono_mb_emit_byte (mb, CEE_LDIND_REF);
4712 mono_mb_emit_ptr (mb, string_dummy);
4715 mono_mb_emit_ldarg (mb, 0);
4719 tmp_nullable_locals = g_new0 (int, sig->param_count);
4721 for (i = 0; i < sig->param_count; i++) {
4722 MonoType *t = sig->params [i];
4725 mono_mb_emit_ldarg (mb, 1);
4727 mono_mb_emit_icon (mb, sizeof (gpointer) * i);
4728 mono_mb_emit_byte (mb, CEE_ADD);
4732 mono_mb_emit_byte (mb, CEE_LDIND_I);
4733 /* A Nullable<T> type don't have a boxed form, it's either null or a boxed T.
4734 * So to make this work we unbox it to a local variablee and push a reference to that.
4736 if (t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t))) {
4737 tmp_nullable_locals [i] = mono_mb_add_local (mb, &mono_class_from_mono_type (t)->byval_arg);
4739 mono_mb_emit_op (mb, CEE_UNBOX_ANY, mono_class_from_mono_type (t));
4740 mono_mb_emit_stloc (mb, tmp_nullable_locals [i]);
4741 mono_mb_emit_ldloc_addr (mb, tmp_nullable_locals [i]);
4746 /*FIXME 'this doesn't handle generic enums. Shouldn't we?*/
4747 type = sig->params [i]->type;
4751 case MONO_TYPE_BOOLEAN:
4755 case MONO_TYPE_CHAR:
4764 mono_mb_emit_byte (mb, CEE_LDIND_I);
4765 mono_mb_emit_byte (mb, mono_type_to_ldind (sig->params [i]));
4767 case MONO_TYPE_STRING:
4768 case MONO_TYPE_CLASS:
4769 case MONO_TYPE_ARRAY:
4771 case MONO_TYPE_SZARRAY:
4772 case MONO_TYPE_OBJECT:
4773 mono_mb_emit_byte (mb, mono_type_to_ldind (sig->params [i]));
4775 case MONO_TYPE_GENERICINST:
4776 if (!mono_type_generic_inst_is_valuetype (sig->params [i])) {
4777 mono_mb_emit_byte (mb, mono_type_to_ldind (sig->params [i]));
4782 case MONO_TYPE_VALUETYPE:
4783 if (type == MONO_TYPE_VALUETYPE && t->data.klass->enumtype) {
4784 type = mono_class_enum_basetype (t->data.klass)->type;
4787 mono_mb_emit_byte (mb, CEE_LDIND_I);
4788 if (mono_class_is_nullable (mono_class_from_mono_type (sig->params [i]))) {
4789 /* Need to convert a boxed vtype to an mp to a Nullable struct */
4790 mono_mb_emit_op (mb, CEE_UNBOX, mono_class_from_mono_type (sig->params [i]));
4791 mono_mb_emit_op (mb, CEE_LDOBJ, mono_class_from_mono_type (sig->params [i]));
4793 mono_mb_emit_op (mb, CEE_LDOBJ, mono_class_from_mono_type (sig->params [i]));
4797 g_assert_not_reached ();
4802 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
4803 } else if (need_direct_wrapper) {
4804 mono_mb_emit_op (mb, CEE_CALL, method);
4806 mono_mb_emit_ldarg (mb, 3);
4807 mono_mb_emit_calli (mb, callsig);
4810 if (sig->ret->byref) {
4812 g_assert_not_reached ();
4815 switch (sig->ret->type) {
4816 case MONO_TYPE_VOID:
4817 if (!method->string_ctor)
4820 case MONO_TYPE_BOOLEAN:
4821 case MONO_TYPE_CHAR:
4834 case MONO_TYPE_VALUETYPE:
4835 case MONO_TYPE_TYPEDBYREF:
4836 case MONO_TYPE_GENERICINST:
4837 /* box value types */
4838 mono_mb_emit_op (mb, CEE_BOX, mono_class_from_mono_type (sig->ret));
4840 case MONO_TYPE_STRING:
4841 case MONO_TYPE_CLASS:
4842 case MONO_TYPE_ARRAY:
4843 case MONO_TYPE_SZARRAY:
4844 case MONO_TYPE_OBJECT:
4848 /* The result is an IntPtr */
4849 mono_mb_emit_op (mb, CEE_BOX, mono_defaults.int_class);
4852 g_assert_not_reached ();
4856 mono_mb_emit_stloc (mb, loc_res);
4858 /* Convert back nullable-byref arguments */
4859 for (i = 0; i < sig->param_count; i++) {
4860 MonoType *t = sig->params [i];
4863 * Box the result and put it back into the array, the caller will have
4864 * to obtain it from there.
4866 if (t->byref && t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t))) {
4867 mono_mb_emit_ldarg (mb, 1);
4868 mono_mb_emit_icon (mb, sizeof (gpointer) * i);
4869 mono_mb_emit_byte (mb, CEE_ADD);
4871 mono_mb_emit_ldloc (mb, tmp_nullable_locals [i]);
4872 mono_mb_emit_op (mb, CEE_BOX, mono_class_from_mono_type (t));
4874 mono_mb_emit_byte (mb, CEE_STIND_REF);
4878 g_free (tmp_nullable_locals);
4882 emit_runtime_invoke_body (MonoMethodBuilder *mb, MonoClass *target_klass, MonoMethod *method,
4883 MonoMethodSignature *sig, MonoMethodSignature *callsig,
4884 gboolean virtual, gboolean need_direct_wrapper)
4887 MonoExceptionClause *clause;
4888 int loc_res, loc_exc;
4890 /* The wrapper looks like this:
4896 * } catch (Exception e) {
4904 /* allocate local 0 (object) tmp */
4905 loc_res = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4906 /* allocate local 1 (object) exc */
4907 loc_exc = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4909 /* *exc is assumed to be initialized to NULL by the caller */
4911 mono_mb_emit_byte (mb, CEE_LDARG_2);
4912 labels [0] = mono_mb_emit_branch (mb, CEE_BRFALSE);
4917 labels [1] = mono_mb_get_label (mb);
4918 emit_thread_force_interrupt_checkpoint (mb);
4919 emit_invoke_call (mb, method, sig, callsig, loc_res, virtual, need_direct_wrapper);
4921 labels [2] = mono_mb_emit_branch (mb, CEE_LEAVE);
4923 /* Add a try clause around the call */
4924 clause = mono_image_alloc0 (target_klass->image, sizeof (MonoExceptionClause));
4925 clause->flags = MONO_EXCEPTION_CLAUSE_NONE;
4926 clause->data.catch_class = mono_defaults.exception_class;
4927 clause->try_offset = labels [1];
4928 clause->try_len = mono_mb_get_label (mb) - labels [1];
4930 clause->handler_offset = mono_mb_get_label (mb);
4933 mono_mb_emit_stloc (mb, loc_exc);
4934 mono_mb_emit_byte (mb, CEE_LDARG_2);
4935 mono_mb_emit_ldloc (mb, loc_exc);
4936 mono_mb_emit_byte (mb, CEE_STIND_REF);
4938 mono_mb_emit_branch (mb, CEE_LEAVE);
4940 clause->handler_len = mono_mb_get_pos (mb) - clause->handler_offset;
4942 mono_mb_set_clauses (mb, 1, clause);
4944 mono_mb_patch_branch (mb, labels [2]);
4945 mono_mb_emit_ldloc (mb, loc_res);
4946 mono_mb_emit_byte (mb, CEE_RET);
4951 mono_mb_patch_branch (mb, labels [0]);
4952 emit_thread_force_interrupt_checkpoint (mb);
4953 emit_invoke_call (mb, method, sig, callsig, loc_res, virtual, need_direct_wrapper);
4955 mono_mb_emit_ldloc (mb, 0);
4956 mono_mb_emit_byte (mb, CEE_RET);
4961 * generates IL code for the runtime invoke function
4962 * MonoObject *runtime_invoke (MonoObject *this, void **params, MonoObject **exc, void* method)
4964 * we also catch exceptions if exc != null
4965 * If VIRTUAL is TRUE, then METHOD is invoked virtually on THIS. This is useful since
4966 * it means that the compiled code for METHOD does not have to be looked up
4967 * before calling the runtime invoke wrapper. In this case, the wrapper ignores
4968 * its METHOD argument.
4971 mono_marshal_get_runtime_invoke (MonoMethod *method, gboolean virtual)
4973 MonoMethodSignature *sig, *csig, *callsig;
4974 MonoMethodBuilder *mb;
4975 GHashTable *cache = NULL;
4976 MonoClass *target_klass;
4977 MonoMethod *res = NULL;
4978 static MonoMethodSignature *cctor_signature = NULL;
4979 static MonoMethodSignature *finalize_signature = NULL;
4981 const char *param_names [16];
4982 gboolean need_direct_wrapper = FALSE;
4987 if (!cctor_signature) {
4988 cctor_signature = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
4989 cctor_signature->ret = &mono_defaults.void_class->byval_arg;
4991 if (!finalize_signature) {
4992 finalize_signature = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
4993 finalize_signature->ret = &mono_defaults.void_class->byval_arg;
4994 finalize_signature->hasthis = 1;
4998 need_direct_wrapper = TRUE;
5001 * Use a separate cache indexed by methods to speed things up and to avoid the
5002 * boundless mempool growth caused by the signature_dup stuff below.
5005 cache = get_cache (&method->klass->image->runtime_invoke_vcall_cache, mono_aligned_addr_hash, NULL);
5007 cache = get_cache (&method->klass->image->runtime_invoke_direct_cache, mono_aligned_addr_hash, NULL);
5008 res = mono_marshal_find_in_cache (cache, method);
5012 if (method->klass->rank && (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
5013 (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)) {
5015 * Array Get/Set/Address methods. The JIT implements them using inline code
5016 * so we need to create an invoke wrapper which calls the method directly.
5018 need_direct_wrapper = TRUE;
5021 if (method->string_ctor) {
5022 callsig = lookup_string_ctor_signature (mono_method_signature (method));
5024 callsig = add_string_ctor_signature (method);
5025 /* Can't share this as we push a string as this */
5026 need_direct_wrapper = TRUE;
5028 if (method->dynamic)
5029 callsig = signature_dup (method->klass->image, mono_method_signature (method));
5031 callsig = mono_method_signature (method);
5034 target_klass = get_wrapper_target_class (method->klass->image);
5036 /* Try to share wrappers for non-corlib methods with simple signatures */
5037 if (mono_metadata_signature_equal (callsig, cctor_signature)) {
5038 callsig = cctor_signature;
5039 target_klass = mono_defaults.object_class;
5040 } else if (mono_metadata_signature_equal (callsig, finalize_signature)) {
5041 callsig = finalize_signature;
5042 target_klass = mono_defaults.object_class;
5045 if (need_direct_wrapper) {
5046 /* Already searched at the start */
5048 MonoMethodSignature *tmp_sig;
5050 callsig = mono_marshal_get_runtime_invoke_sig (callsig);
5052 if (method->klass->valuetype && mono_method_signature (method)->hasthis)
5053 /* These have a different csig */
5054 cache = get_cache (&target_klass->image->runtime_invoke_vtype_cache,
5055 (GHashFunc)mono_signature_hash,
5056 (GCompareFunc)runtime_invoke_signature_equal);
5058 cache = get_cache (&target_klass->image->runtime_invoke_cache,
5059 (GHashFunc)mono_signature_hash,
5060 (GCompareFunc)runtime_invoke_signature_equal);
5062 /* from mono_marshal_find_in_cache */
5063 mono_marshal_lock ();
5064 res = g_hash_table_lookup (cache, callsig);
5065 mono_marshal_unlock ();
5072 /* Make a copy of the signature from the image mempool */
5074 callsig = mono_metadata_signature_dup_full (target_klass->image, callsig);
5078 sig = mono_method_signature (method);
5080 csig = mono_metadata_signature_alloc (target_klass->image, 4);
5082 csig->ret = &mono_defaults.object_class->byval_arg;
5083 if (method->klass->valuetype && mono_method_signature (method)->hasthis)
5084 csig->params [0] = get_runtime_invoke_type (&method->klass->this_arg, FALSE);
5086 csig->params [0] = &mono_defaults.object_class->byval_arg;
5087 csig->params [1] = &mono_defaults.int_class->byval_arg;
5088 csig->params [2] = &mono_defaults.int_class->byval_arg;
5089 csig->params [3] = &mono_defaults.int_class->byval_arg;
5092 /* This is called from runtime code so it has to be cdecl */
5093 csig->call_convention = MONO_CALL_C;
5096 name = mono_signature_to_name (callsig, virtual ? "runtime_invoke_virtual" : "runtime_invoke");
5097 mb = mono_mb_new (target_klass, name, MONO_WRAPPER_RUNTIME_INVOKE);
5101 param_names [0] = "this";
5102 param_names [1] = "params";
5103 param_names [2] = "exc";
5104 param_names [3] = "method";
5105 mono_mb_set_param_names (mb, param_names);
5107 emit_runtime_invoke_body (mb, target_klass, method, sig, callsig, virtual, need_direct_wrapper);
5110 if (need_direct_wrapper) {
5112 mb->skip_visibility = 1;
5114 res = mono_mb_create_and_cache (cache, method, mb, csig, sig->param_count + 16);
5115 info = mono_wrapper_info_create (res, virtual ? WRAPPER_SUBTYPE_RUNTIME_INVOKE_VIRTUAL : WRAPPER_SUBTYPE_RUNTIME_INVOKE_DIRECT);
5116 info->d.runtime_invoke.method = method;
5117 mono_marshal_set_wrapper_info (res, info);
5119 /* taken from mono_mb_create_and_cache */
5120 mono_marshal_lock ();
5121 res = g_hash_table_lookup (cache, callsig);
5122 mono_marshal_unlock ();
5124 /* Somebody may have created it before us */
5127 newm = mono_mb_create_method (mb, csig, sig->param_count + 16);
5129 mono_marshal_lock ();
5130 res = g_hash_table_lookup (cache, callsig);
5133 g_hash_table_insert (cache, callsig, res);
5134 /* Can't insert it into wrapper_hash since the key is a signature */
5135 g_hash_table_insert (method->klass->image->runtime_invoke_direct_cache, method, res);
5136 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_RUNTIME_INVOKE_NORMAL);
5137 info->d.runtime_invoke.sig = callsig;
5138 mono_marshal_set_wrapper_info (res, info);
5140 mono_free_method (newm);
5142 mono_marshal_unlock ();
5145 /* end mono_mb_create_and_cache */
5154 * mono_marshal_get_runtime_invoke_dynamic:
5156 * Return a method which can be used to invoke managed methods from native code
5158 * The signature of the returned method is given by RuntimeInvokeDynamicFunction:
5159 * void runtime_invoke (void *args, MonoObject **exc, void *compiled_method)
5160 * ARGS should point to an architecture specific structure containing
5161 * the arguments and space for the return value.
5162 * The other arguments are the same as for runtime_invoke (), except that
5163 * ARGS should contain the this argument too.
5164 * This wrapper serves the same purpose as the runtime-invoke wrappers, but there
5165 * is only one copy of it, which is useful in full-aot.
5166 * The wrapper info for the wrapper is a WrapperInfo structure.
5169 mono_marshal_get_runtime_invoke_dynamic (void)
5171 static MonoMethod *method;
5172 MonoMethodSignature *csig;
5173 MonoExceptionClause *clause;
5174 MonoMethodBuilder *mb;
5182 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
5184 csig->ret = &mono_defaults.void_class->byval_arg;
5185 csig->params [0] = &mono_defaults.int_class->byval_arg;
5186 csig->params [1] = &mono_defaults.int_class->byval_arg;
5187 csig->params [2] = &mono_defaults.int_class->byval_arg;
5188 csig->params [3] = &mono_defaults.int_class->byval_arg;
5190 name = g_strdup ("runtime_invoke_dynamic");
5191 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_RUNTIME_INVOKE);
5195 /* allocate local 0 (object) tmp */
5196 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
5197 /* allocate local 1 (object) exc */
5198 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
5200 /* cond set *exc to null */
5201 mono_mb_emit_byte (mb, CEE_LDARG_1);
5202 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
5203 mono_mb_emit_byte (mb, 3);
5204 mono_mb_emit_byte (mb, CEE_LDARG_1);
5205 mono_mb_emit_byte (mb, CEE_LDNULL);
5206 mono_mb_emit_byte (mb, CEE_STIND_REF);
5208 emit_thread_force_interrupt_checkpoint (mb);
5210 mono_mb_emit_byte (mb, CEE_LDARG_0);
5211 mono_mb_emit_byte (mb, CEE_LDARG_2);
5212 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5213 mono_mb_emit_byte (mb, CEE_MONO_DYN_CALL);
5215 pos = mono_mb_emit_branch (mb, CEE_LEAVE);
5217 clause = mono_image_alloc0 (mono_defaults.corlib, sizeof (MonoExceptionClause));
5218 clause->flags = MONO_EXCEPTION_CLAUSE_FILTER;
5219 clause->try_len = mono_mb_get_label (mb);
5222 clause->data.filter_offset = mono_mb_get_label (mb);
5224 mono_mb_emit_byte (mb, CEE_POP);
5225 mono_mb_emit_byte (mb, CEE_LDARG_1);
5226 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
5227 mono_mb_emit_byte (mb, CEE_PREFIX1);
5228 mono_mb_emit_byte (mb, CEE_CGT_UN);
5229 mono_mb_emit_byte (mb, CEE_PREFIX1);
5230 mono_mb_emit_byte (mb, CEE_ENDFILTER);
5232 clause->handler_offset = mono_mb_get_label (mb);
5235 /* store exception */
5236 mono_mb_emit_stloc (mb, 1);
5238 mono_mb_emit_byte (mb, CEE_LDARG_1);
5239 mono_mb_emit_ldloc (mb, 1);
5240 mono_mb_emit_byte (mb, CEE_STIND_REF);
5242 mono_mb_emit_byte (mb, CEE_LDNULL);
5243 mono_mb_emit_stloc (mb, 0);
5245 /* Check for the abort exception */
5246 mono_mb_emit_ldloc (mb, 1);
5247 mono_mb_emit_op (mb, CEE_ISINST, mono_defaults.threadabortexception_class);
5248 posna = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
5250 /* Delay the abort exception */
5251 mono_mb_emit_icall (mb, ves_icall_System_Threading_Thread_ResetAbort);
5253 mono_mb_patch_short_branch (mb, posna);
5254 mono_mb_emit_branch (mb, CEE_LEAVE);
5256 clause->handler_len = mono_mb_get_pos (mb) - clause->handler_offset;
5258 mono_mb_set_clauses (mb, 1, clause);
5261 mono_mb_patch_branch (mb, pos);
5262 //mono_mb_emit_ldloc (mb, 0);
5263 mono_mb_emit_byte (mb, CEE_RET);
5264 #endif /* DISABLE_JIT */
5266 mono_marshal_lock ();
5267 /* double-checked locking */
5269 method = mono_mb_create_method (mb, csig, 16);
5270 info = mono_wrapper_info_create (method, WRAPPER_SUBTYPE_RUNTIME_INVOKE_DYNAMIC);
5271 mono_marshal_set_wrapper_info (method, info);
5273 mono_marshal_unlock ();
5282 mono_mb_emit_auto_layout_exception (MonoMethodBuilder *mb, MonoClass *klass)
5284 char *msg = g_strdup_printf ("The type `%s.%s' layout needs to be Sequential or Explicit",
5285 klass->name_space, klass->name);
5287 mono_mb_emit_exception_marshal_directive (mb, msg);
5291 #ifndef DISABLE_REMOTING
5293 * mono_marshal_get_ldfld_remote_wrapper:
5294 * @klass: The return type
5296 * This method generates a wrapper for calling mono_load_remote_field_new.
5297 * The return type is ignored for now, as mono_load_remote_field_new () always
5298 * returns an object. In the future, to optimize some codepaths, we might
5299 * call a different function that takes a pointer to a valuetype, instead.
5302 mono_marshal_get_ldfld_remote_wrapper (MonoClass *klass)
5304 MonoMethodSignature *sig, *csig;
5305 MonoMethodBuilder *mb;
5307 static MonoMethod* cached = NULL;
5309 mono_marshal_lock ();
5311 mono_marshal_unlock ();
5314 mono_marshal_unlock ();
5316 mb = mono_mb_new_no_dup_name (mono_defaults.object_class, "__mono_load_remote_field_new_wrapper", MONO_WRAPPER_LDFLD_REMOTE);
5318 mb->method->save_lmf = 1;
5320 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
5321 sig->params [0] = &mono_defaults.object_class->byval_arg;
5322 sig->params [1] = &mono_defaults.int_class->byval_arg;
5323 sig->params [2] = &mono_defaults.int_class->byval_arg;
5324 sig->ret = &mono_defaults.object_class->byval_arg;
5327 mono_mb_emit_ldarg (mb, 0);
5328 mono_mb_emit_ldarg (mb, 1);
5329 mono_mb_emit_ldarg (mb, 2);
5331 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
5332 csig->params [0] = &mono_defaults.object_class->byval_arg;
5333 csig->params [1] = &mono_defaults.int_class->byval_arg;
5334 csig->params [2] = &mono_defaults.int_class->byval_arg;
5335 csig->ret = &mono_defaults.object_class->byval_arg;
5338 mono_mb_emit_native_call (mb, csig, mono_load_remote_field_new);
5339 emit_thread_interrupt_checkpoint (mb);
5341 mono_mb_emit_byte (mb, CEE_RET);
5344 mono_marshal_lock ();
5346 mono_marshal_unlock ();
5349 newm = mono_mb_create_method (mb, sig, 4);
5350 mono_marshal_lock ();
5355 mono_marshal_unlock ();
5357 mono_marshal_unlock ();
5358 mono_free_method (newm);
5367 * mono_marshal_get_ldfld_wrapper:
5368 * @type: the type of the field
5370 * This method generates a function which can be use to load a field with type
5371 * @type from an object. The generated function has the following signature:
5372 * <@type> ldfld_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset)
5375 mono_marshal_get_ldfld_wrapper (MonoType *type)
5377 MonoMethodSignature *sig;
5378 MonoMethodBuilder *mb;
5383 int t, pos0, pos1 = 0;
5385 type = mono_type_get_underlying_type (type);
5390 if (type->type == MONO_TYPE_SZARRAY) {
5391 klass = mono_defaults.array_class;
5392 } else if (type->type == MONO_TYPE_VALUETYPE) {
5393 klass = type->data.klass;
5394 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING) {
5395 klass = mono_defaults.object_class;
5396 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
5397 klass = mono_defaults.int_class;
5398 } else if (t == MONO_TYPE_GENERICINST) {
5399 if (mono_type_generic_inst_is_valuetype (type))
5400 klass = mono_class_from_mono_type (type);
5402 klass = mono_defaults.object_class;
5404 klass = mono_class_from_mono_type (type);
5407 klass = mono_defaults.int_class;
5410 cache = get_cache (&klass->image->ldfld_wrapper_cache, mono_aligned_addr_hash, NULL);
5411 if ((res = mono_marshal_find_in_cache (cache, klass)))
5414 /* we add the %p pointer value of klass because class names are not unique */
5415 name = g_strdup_printf ("__ldfld_wrapper_%p_%s.%s", klass, klass->name_space, klass->name);
5416 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_LDFLD);
5419 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
5420 sig->params [0] = &mono_defaults.object_class->byval_arg;
5421 sig->params [1] = &mono_defaults.int_class->byval_arg;
5422 sig->params [2] = &mono_defaults.int_class->byval_arg;
5423 sig->params [3] = &mono_defaults.int_class->byval_arg;
5424 sig->ret = &klass->byval_arg;
5427 mono_mb_emit_ldarg (mb, 0);
5428 pos0 = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
5430 mono_mb_emit_ldarg (mb, 0);
5431 mono_mb_emit_ldarg (mb, 1);
5432 mono_mb_emit_ldarg (mb, 2);
5434 mono_mb_emit_managed_call (mb, mono_marshal_get_ldfld_remote_wrapper (klass), NULL);
5437 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
5438 csig->params [0] = &mono_defaults.object_class->byval_arg;
5439 csig->params [1] = &mono_defaults.int_class->byval_arg;
5440 csig->params [2] = &mono_defaults.int_class->byval_arg;
5441 csig->ret = &klass->this_arg;
5444 mono_mb_emit_native_call (mb, csig, mono_load_remote_field_new);
5445 emit_thread_interrupt_checkpoint (mb);
5448 if (klass->valuetype) {
5449 mono_mb_emit_op (mb, CEE_UNBOX, klass);
5450 pos1 = mono_mb_emit_branch (mb, CEE_BR);
5452 mono_mb_emit_byte (mb, CEE_RET);
5456 mono_mb_patch_branch (mb, pos0);
5458 mono_mb_emit_ldarg (mb, 0);
5459 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5460 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
5461 mono_mb_emit_ldarg (mb, 3);
5462 mono_mb_emit_byte (mb, CEE_ADD);
5464 if (klass->valuetype)
5465 mono_mb_patch_branch (mb, pos1);
5470 case MONO_TYPE_BOOLEAN:
5471 case MONO_TYPE_CHAR:
5480 case MONO_TYPE_ARRAY:
5481 case MONO_TYPE_SZARRAY:
5482 case MONO_TYPE_OBJECT:
5483 case MONO_TYPE_CLASS:
5484 case MONO_TYPE_STRING:
5488 case MONO_TYPE_FNPTR:
5489 mono_mb_emit_byte (mb, mono_type_to_ldind (type));
5491 case MONO_TYPE_VALUETYPE:
5492 g_assert (!klass->enumtype);
5493 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
5495 case MONO_TYPE_GENERICINST:
5496 if (mono_type_generic_inst_is_valuetype (type)) {
5497 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
5499 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5503 case MONO_TYPE_MVAR:
5504 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
5507 g_warning ("type %x not implemented", type->type);
5508 g_assert_not_reached ();
5511 mono_mb_emit_byte (mb, CEE_RET);
5512 #endif /* DISABLE_JIT */
5514 res = mono_mb_create_and_cache (cache, klass,
5515 mb, sig, sig->param_count + 16);
5522 * mono_marshal_get_ldflda_wrapper:
5523 * @type: the type of the field
5525 * This method generates a function which can be used to load a field address
5526 * from an object. The generated function has the following signature:
5527 * gpointer ldflda_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset);
5530 mono_marshal_get_ldflda_wrapper (MonoType *type)
5532 MonoMethodSignature *sig;
5533 MonoMethodBuilder *mb;
5538 int t, pos0, pos1, pos2, pos3;
5540 type = mono_type_get_underlying_type (type);
5544 if (type->type == MONO_TYPE_SZARRAY) {
5545 klass = mono_defaults.array_class;
5546 } else if (type->type == MONO_TYPE_VALUETYPE) {
5547 klass = type->data.klass;
5548 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING ||
5549 t == MONO_TYPE_CLASS) {
5550 klass = mono_defaults.object_class;
5551 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
5552 klass = mono_defaults.int_class;
5553 } else if (t == MONO_TYPE_GENERICINST) {
5554 if (mono_type_generic_inst_is_valuetype (type))
5555 klass = mono_class_from_mono_type (type);
5557 klass = mono_defaults.object_class;
5559 klass = mono_class_from_mono_type (type);
5562 klass = mono_defaults.int_class;
5565 cache = get_cache (&klass->image->ldflda_wrapper_cache, mono_aligned_addr_hash, NULL);
5566 if ((res = mono_marshal_find_in_cache (cache, klass)))
5569 /* we add the %p pointer value of klass because class names are not unique */
5570 name = g_strdup_printf ("__ldflda_wrapper_%p_%s.%s", klass, klass->name_space, klass->name);
5571 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_LDFLDA);
5574 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
5575 sig->params [0] = &mono_defaults.object_class->byval_arg;
5576 sig->params [1] = &mono_defaults.int_class->byval_arg;
5577 sig->params [2] = &mono_defaults.int_class->byval_arg;
5578 sig->params [3] = &mono_defaults.int_class->byval_arg;
5579 sig->ret = &mono_defaults.int_class->byval_arg;
5582 /* if typeof (this) != transparent_proxy goto pos0 */
5583 mono_mb_emit_ldarg (mb, 0);
5584 pos0 = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
5586 /* if same_appdomain goto pos1 */
5587 mono_mb_emit_ldarg (mb, 0);
5588 pos1 = mono_mb_emit_xdomain_check (mb, CEE_BEQ);
5590 mono_mb_emit_exception_full (mb, "System", "InvalidOperationException", "Attempt to load field address from object in another appdomain.");
5592 /* same app domain */
5593 mono_mb_patch_branch (mb, pos1);
5595 /* if typeof (this) != contextbound goto pos2 */
5596 mono_mb_emit_ldarg (mb, 0);
5597 pos2 = mono_mb_emit_contextbound_check (mb, CEE_BEQ);
5599 /* if this->rp->context == mono_context_get goto pos3 */
5600 mono_mb_emit_ldarg (mb, 0);
5601 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
5602 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5603 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoRealProxy, context));
5604 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5605 mono_mb_emit_icall (mb, mono_context_get);
5606 pos3 = mono_mb_emit_branch (mb, CEE_BEQ);
5608 mono_mb_emit_exception_full (mb, "System", "InvalidOperationException", "Attempt to load field address from object in another context.");
5610 mono_mb_patch_branch (mb, pos2);
5611 mono_mb_patch_branch (mb, pos3);
5613 /* return the address of the field from this->rp->unwrapped_server */
5614 mono_mb_emit_ldarg (mb, 0);
5615 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
5616 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5617 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoRealProxy, unwrapped_server));
5618 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5619 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5620 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
5621 mono_mb_emit_ldarg (mb, 3);
5622 mono_mb_emit_byte (mb, CEE_ADD);
5623 mono_mb_emit_byte (mb, CEE_RET);
5625 /* not a proxy: return the address of the field directly */
5626 mono_mb_patch_branch (mb, pos0);
5628 mono_mb_emit_ldarg (mb, 0);
5629 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5630 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
5631 mono_mb_emit_ldarg (mb, 3);
5632 mono_mb_emit_byte (mb, CEE_ADD);
5634 mono_mb_emit_byte (mb, CEE_RET);
5637 res = mono_mb_create_and_cache (cache, klass,
5638 mb, sig, sig->param_count + 16);
5645 * mono_marshal_get_stfld_remote_wrapper:
5646 * klass: The type of the field
5648 * This function generates a wrapper for calling mono_store_remote_field_new
5649 * with the appropriate signature.
5650 * Similarly to mono_marshal_get_ldfld_remote_wrapper () this doesn't depend on the
5651 * klass argument anymore.
5654 mono_marshal_get_stfld_remote_wrapper (MonoClass *klass)
5656 MonoMethodSignature *sig, *csig;
5657 MonoMethodBuilder *mb;
5659 static MonoMethod *cached = NULL;
5661 mono_marshal_lock ();
5663 mono_marshal_unlock ();
5666 mono_marshal_unlock ();
5668 mb = mono_mb_new_no_dup_name (mono_defaults.object_class, "__mono_store_remote_field_new_wrapper", MONO_WRAPPER_STFLD_REMOTE);
5670 mb->method->save_lmf = 1;
5672 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
5673 sig->params [0] = &mono_defaults.object_class->byval_arg;
5674 sig->params [1] = &mono_defaults.int_class->byval_arg;
5675 sig->params [2] = &mono_defaults.int_class->byval_arg;
5676 sig->params [3] = &mono_defaults.object_class->byval_arg;
5677 sig->ret = &mono_defaults.void_class->byval_arg;
5680 mono_mb_emit_ldarg (mb, 0);
5681 mono_mb_emit_ldarg (mb, 1);
5682 mono_mb_emit_ldarg (mb, 2);
5683 mono_mb_emit_ldarg (mb, 3);
5685 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
5686 csig->params [0] = &mono_defaults.object_class->byval_arg;
5687 csig->params [1] = &mono_defaults.int_class->byval_arg;
5688 csig->params [2] = &mono_defaults.int_class->byval_arg;
5689 csig->params [3] = &mono_defaults.object_class->byval_arg;
5690 csig->ret = &mono_defaults.void_class->byval_arg;
5693 mono_mb_emit_native_call (mb, csig, mono_store_remote_field_new);
5694 emit_thread_interrupt_checkpoint (mb);
5696 mono_mb_emit_byte (mb, CEE_RET);
5699 mono_marshal_lock ();
5701 mono_marshal_unlock ();
5704 newm = mono_mb_create_method (mb, sig, 6);
5705 mono_marshal_lock ();
5710 mono_marshal_unlock ();
5712 mono_marshal_unlock ();
5713 mono_free_method (newm);
5722 * mono_marshal_get_stfld_wrapper:
5723 * @type: the type of the field
5725 * This method generates a function which can be use to store a field with type
5726 * @type. The generated function has the following signature:
5727 * void stfld_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset, <@type> val)
5730 mono_marshal_get_stfld_wrapper (MonoType *type)
5732 MonoMethodSignature *sig;
5733 MonoMethodBuilder *mb;
5740 type = mono_type_get_underlying_type (type);
5744 if (type->type == MONO_TYPE_SZARRAY) {
5745 klass = mono_defaults.array_class;
5746 } else if (type->type == MONO_TYPE_VALUETYPE) {
5747 klass = type->data.klass;
5748 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING) {
5749 klass = mono_defaults.object_class;
5750 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
5751 klass = mono_defaults.int_class;
5752 } else if (t == MONO_TYPE_GENERICINST) {
5753 if (mono_type_generic_inst_is_valuetype (type))
5754 klass = mono_class_from_mono_type (type);
5756 klass = mono_defaults.object_class;
5758 klass = mono_class_from_mono_type (type);
5761 klass = mono_defaults.int_class;
5764 cache = get_cache (&klass->image->stfld_wrapper_cache, mono_aligned_addr_hash, NULL);
5765 if ((res = mono_marshal_find_in_cache (cache, klass)))
5768 /* we add the %p pointer value of klass because class names are not unique */
5769 name = g_strdup_printf ("__stfld_wrapper_%p_%s.%s", klass, klass->name_space, klass->name);
5770 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_STFLD);
5773 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 5);
5774 sig->params [0] = &mono_defaults.object_class->byval_arg;
5775 sig->params [1] = &mono_defaults.int_class->byval_arg;
5776 sig->params [2] = &mono_defaults.int_class->byval_arg;
5777 sig->params [3] = &mono_defaults.int_class->byval_arg;
5778 sig->params [4] = &klass->byval_arg;
5779 sig->ret = &mono_defaults.void_class->byval_arg;
5782 mono_mb_emit_ldarg (mb, 0);
5783 pos = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
5785 mono_mb_emit_ldarg (mb, 0);
5786 mono_mb_emit_ldarg (mb, 1);
5787 mono_mb_emit_ldarg (mb, 2);
5788 mono_mb_emit_ldarg (mb, 4);
5789 if (klass->valuetype)
5790 mono_mb_emit_op (mb, CEE_BOX, klass);
5792 mono_mb_emit_managed_call (mb, mono_marshal_get_stfld_remote_wrapper (klass), NULL);
5794 mono_mb_emit_byte (mb, CEE_RET);
5796 mono_mb_patch_branch (mb, pos);
5798 mono_mb_emit_ldarg (mb, 0);
5799 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5800 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
5801 mono_mb_emit_ldarg (mb, 3);
5802 mono_mb_emit_byte (mb, CEE_ADD);
5803 mono_mb_emit_ldarg (mb, 4);
5808 case MONO_TYPE_BOOLEAN:
5809 case MONO_TYPE_CHAR:
5818 case MONO_TYPE_ARRAY:
5819 case MONO_TYPE_SZARRAY:
5820 case MONO_TYPE_OBJECT:
5821 case MONO_TYPE_CLASS:
5822 case MONO_TYPE_STRING:
5826 case MONO_TYPE_FNPTR:
5827 mono_mb_emit_byte (mb, mono_type_to_stind (type));
5829 case MONO_TYPE_VALUETYPE:
5830 g_assert (!klass->enumtype);
5831 mono_mb_emit_op (mb, CEE_STOBJ, klass);
5833 case MONO_TYPE_GENERICINST:
5835 case MONO_TYPE_MVAR:
5836 mono_mb_emit_op (mb, CEE_STOBJ, klass);
5839 g_warning ("type %x not implemented", type->type);
5840 g_assert_not_reached ();
5843 mono_mb_emit_byte (mb, CEE_RET);
5846 res = mono_mb_create_and_cache (cache, klass,
5847 mb, sig, sig->param_count + 16);
5852 #endif /* DISABLE_REMOTING */
5855 * generates IL code for the icall wrapper (the generated method
5856 * calls the unmanaged code in func)
5857 * The wrapper info for the wrapper is a WrapperInfo structure.
5860 mono_marshal_get_icall_wrapper (MonoMethodSignature *sig, const char *name, gconstpointer func, gboolean check_exceptions)
5862 MonoMethodSignature *csig, *csig2;
5863 MonoMethodBuilder *mb;
5868 g_assert (sig->pinvoke);
5870 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_MANAGED_TO_NATIVE);
5872 mb->method->save_lmf = 1;
5874 /* Add an explicit this argument */
5876 csig2 = signature_dup_add_this (mono_defaults.corlib, sig, mono_defaults.object_class);
5878 csig2 = signature_dup (mono_defaults.corlib, sig);
5882 mono_mb_emit_byte (mb, CEE_LDARG_0);
5884 for (i = 0; i < sig->param_count; i++)
5885 mono_mb_emit_ldarg (mb, i + sig->hasthis);
5887 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5888 mono_mb_emit_op (mb, CEE_MONO_JIT_ICALL_ADDR, (gpointer)func);
5889 mono_mb_emit_calli (mb, csig2);
5890 if (check_exceptions)
5891 emit_thread_interrupt_checkpoint (mb);
5892 mono_mb_emit_byte (mb, CEE_RET);
5895 csig = signature_dup (mono_defaults.corlib, sig);
5897 if (csig->call_convention == MONO_CALL_VARARG)
5898 csig->call_convention = 0;
5900 res = mono_mb_create_method (mb, csig, csig->param_count + 16);
5903 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_ICALL_WRAPPER);
5904 info->d.icall.func = (gpointer)func;
5905 mono_marshal_set_wrapper_info (res, info);
5911 emit_marshal_custom (EmitMarshalContext *m, int argnum, MonoType *t,
5912 MonoMarshalSpec *spec,
5913 int conv_arg, MonoType **conv_arg_type,
5914 MarshalAction action)
5917 if (action == MARSHAL_ACTION_CONV_IN && t->type == MONO_TYPE_VALUETYPE)
5918 *conv_arg_type = &mono_defaults.int_class->byval_arg;
5923 static MonoClass *ICustomMarshaler = NULL;
5924 static MonoMethod *cleanup_native, *cleanup_managed;
5925 static MonoMethod *marshal_managed_to_native, *marshal_native_to_managed;
5926 MonoMethod *get_instance = NULL;
5927 MonoMethodBuilder *mb = m->mb;
5928 char *exception_msg = NULL;
5932 if (!ICustomMarshaler) {
5933 ICustomMarshaler = mono_class_from_name (mono_defaults.corlib, "System.Runtime.InteropServices", "ICustomMarshaler");
5934 if (!ICustomMarshaler) {
5935 exception_msg = g_strdup ("Current profile doesn't support ICustomMarshaler");
5936 goto handle_exception;
5939 cleanup_native = mono_class_get_method_from_name (ICustomMarshaler, "CleanUpNativeData", 1);
5940 g_assert (cleanup_native);
5941 cleanup_managed = mono_class_get_method_from_name (ICustomMarshaler, "CleanUpManagedData", 1);
5942 g_assert (cleanup_managed);
5943 marshal_managed_to_native = mono_class_get_method_from_name (ICustomMarshaler, "MarshalManagedToNative", 1);
5944 g_assert (marshal_managed_to_native);
5945 marshal_native_to_managed = mono_class_get_method_from_name (ICustomMarshaler, "MarshalNativeToManaged", 1);
5946 g_assert (marshal_native_to_managed);
5949 if (spec->data.custom_data.image)
5950 mtype = mono_reflection_type_from_name (spec->data.custom_data.custom_name, spec->data.custom_data.image);
5952 mtype = mono_reflection_type_from_name (spec->data.custom_data.custom_name, m->image);
5953 g_assert (mtype != NULL);
5954 mklass = mono_class_from_mono_type (mtype);
5955 g_assert (mklass != NULL);
5957 if (!mono_class_is_assignable_from (ICustomMarshaler, mklass))
5958 exception_msg = g_strdup_printf ("Custom marshaler '%s' does not implement the ICustomMarshaler interface.", mklass->name);
5960 get_instance = mono_class_get_method_from_name_flags (mklass, "GetInstance", 1, METHOD_ATTRIBUTE_STATIC);
5962 MonoMethodSignature *get_sig = mono_method_signature (get_instance);
5963 if ((get_sig->ret->type != MONO_TYPE_CLASS) ||
5964 (mono_class_from_mono_type (get_sig->ret) != ICustomMarshaler) ||
5965 (get_sig->params [0]->type != MONO_TYPE_STRING))
5966 get_instance = NULL;
5970 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);
5973 /* Throw exception and emit compensation code if neccesary */
5974 if (exception_msg) {
5976 case MARSHAL_ACTION_CONV_IN:
5977 case MARSHAL_ACTION_CONV_RESULT:
5978 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
5979 if ((action == MARSHAL_ACTION_CONV_RESULT) || (action == MARSHAL_ACTION_MANAGED_CONV_RESULT))
5980 mono_mb_emit_byte (mb, CEE_POP);
5982 mono_mb_emit_exception_full (mb, "System", "ApplicationException", exception_msg);
5983 g_free (exception_msg);
5986 case MARSHAL_ACTION_PUSH:
5987 mono_mb_emit_byte (mb, CEE_LDNULL);
5995 /* FIXME: MS.NET seems to create one instance for each klass + cookie pair */
5996 /* FIXME: MS.NET throws an exception if GetInstance returns null */
5999 case MARSHAL_ACTION_CONV_IN:
6001 case MONO_TYPE_CLASS:
6002 case MONO_TYPE_OBJECT:
6003 case MONO_TYPE_STRING:
6004 case MONO_TYPE_ARRAY:
6005 case MONO_TYPE_SZARRAY:
6006 case MONO_TYPE_VALUETYPE:
6010 g_warning ("custom marshalling of type %x is currently not supported", t->type);
6011 g_assert_not_reached ();
6015 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6017 mono_mb_emit_byte (mb, CEE_LDNULL);
6018 mono_mb_emit_stloc (mb, conv_arg);
6020 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT))
6023 /* Minic MS.NET behavior */
6024 if (!t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT) && !(t->attrs & PARAM_ATTRIBUTE_IN))
6027 /* Check for null */
6028 mono_mb_emit_ldarg (mb, argnum);
6030 mono_mb_emit_byte (mb, CEE_LDIND_I);
6031 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6033 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
6035 mono_mb_emit_op (mb, CEE_CALL, get_instance);
6037 mono_mb_emit_ldarg (mb, argnum);
6039 mono_mb_emit_byte (mb, CEE_LDIND_REF);
6041 if (t->type == MONO_TYPE_VALUETYPE) {
6043 * Since we can't determine the type of the argument, we
6044 * will assume the unmanaged function takes a pointer.
6046 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6048 mono_mb_emit_op (mb, CEE_BOX, mono_class_from_mono_type (t));
6051 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_managed_to_native);
6052 mono_mb_emit_stloc (mb, conv_arg);
6054 mono_mb_patch_branch (mb, pos2);
6057 case MARSHAL_ACTION_CONV_OUT:
6058 /* Check for null */
6059 mono_mb_emit_ldloc (mb, conv_arg);
6060 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6063 mono_mb_emit_ldarg (mb, argnum);
6065 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
6067 mono_mb_emit_op (mb, CEE_CALL, get_instance);
6069 mono_mb_emit_ldloc (mb, conv_arg);
6070 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
6071 mono_mb_emit_byte (mb, CEE_STIND_REF);
6072 } else if (t->attrs & PARAM_ATTRIBUTE_OUT) {
6073 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
6075 mono_mb_emit_op (mb, CEE_CALL, get_instance);
6077 mono_mb_emit_ldloc (mb, conv_arg);
6078 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
6080 /* We have nowhere to store the result */
6081 mono_mb_emit_byte (mb, CEE_POP);
6084 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
6086 mono_mb_emit_op (mb, CEE_CALL, get_instance);
6088 mono_mb_emit_ldloc (mb, conv_arg);
6090 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_native);
6092 mono_mb_patch_branch (mb, pos2);
6095 case MARSHAL_ACTION_PUSH:
6097 mono_mb_emit_ldloc_addr (mb, conv_arg);
6099 mono_mb_emit_ldloc (mb, conv_arg);
6102 case MARSHAL_ACTION_CONV_RESULT:
6103 loc1 = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6105 mono_mb_emit_stloc (mb, 3);
6107 mono_mb_emit_ldloc (mb, 3);
6108 mono_mb_emit_stloc (mb, loc1);
6110 /* Check for null */
6111 mono_mb_emit_ldloc (mb, 3);
6112 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6114 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
6116 mono_mb_emit_op (mb, CEE_CALL, get_instance);
6117 mono_mb_emit_byte (mb, CEE_DUP);
6119 mono_mb_emit_ldloc (mb, 3);
6120 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
6121 mono_mb_emit_stloc (mb, 3);
6123 mono_mb_emit_ldloc (mb, loc1);
6124 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_native);
6126 mono_mb_patch_branch (mb, pos2);
6129 case MARSHAL_ACTION_MANAGED_CONV_IN:
6130 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
6132 mono_mb_emit_byte (mb, CEE_LDNULL);
6133 mono_mb_emit_stloc (mb, conv_arg);
6135 if (t->byref && t->attrs & PARAM_ATTRIBUTE_OUT)
6138 /* Check for null */
6139 mono_mb_emit_ldarg (mb, argnum);
6141 mono_mb_emit_byte (mb, CEE_LDIND_I);
6142 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6144 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
6145 mono_mb_emit_op (mb, CEE_CALL, get_instance);
6147 mono_mb_emit_ldarg (mb, argnum);
6149 mono_mb_emit_byte (mb, CEE_LDIND_I);
6151 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
6152 mono_mb_emit_stloc (mb, conv_arg);
6154 mono_mb_patch_branch (mb, pos2);
6157 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
6158 g_assert (!t->byref);
6160 loc1 = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
6162 mono_mb_emit_stloc (mb, 3);
6164 mono_mb_emit_ldloc (mb, 3);
6165 mono_mb_emit_stloc (mb, loc1);
6167 /* Check for null */
6168 mono_mb_emit_ldloc (mb, 3);
6169 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6171 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
6172 mono_mb_emit_op (mb, CEE_CALL, get_instance);
6173 mono_mb_emit_byte (mb, CEE_DUP);
6175 mono_mb_emit_ldloc (mb, 3);
6176 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_managed_to_native);
6177 mono_mb_emit_stloc (mb, 3);
6179 mono_mb_emit_ldloc (mb, loc1);
6180 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_managed);
6182 mono_mb_patch_branch (mb, pos2);
6185 case MARSHAL_ACTION_MANAGED_CONV_OUT:
6187 /* Check for null */
6188 mono_mb_emit_ldloc (mb, conv_arg);
6189 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6192 mono_mb_emit_ldarg (mb, argnum);
6194 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
6196 mono_mb_emit_op (mb, CEE_CALL, get_instance);
6198 mono_mb_emit_ldloc (mb, conv_arg);
6199 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_managed_to_native);
6200 mono_mb_emit_byte (mb, CEE_STIND_I);
6203 /* Call CleanUpManagedData */
6204 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
6206 mono_mb_emit_op (mb, CEE_CALL, get_instance);
6208 mono_mb_emit_ldloc (mb, conv_arg);
6209 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_managed);
6211 mono_mb_patch_branch (mb, pos2);
6215 g_assert_not_reached ();
6223 emit_marshal_asany (EmitMarshalContext *m, int argnum, MonoType *t,
6224 MonoMarshalSpec *spec,
6225 int conv_arg, MonoType **conv_arg_type,
6226 MarshalAction action)
6229 MonoMethodBuilder *mb = m->mb;
6232 case MARSHAL_ACTION_CONV_IN: {
6233 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, NULL);
6235 g_assert (t->type == MONO_TYPE_OBJECT);
6236 g_assert (!t->byref);
6238 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6239 mono_mb_emit_ldarg (mb, argnum);
6240 mono_mb_emit_icon (mb, encoding);
6241 mono_mb_emit_icon (mb, t->attrs);
6242 mono_mb_emit_icall (mb, mono_marshal_asany);
6243 mono_mb_emit_stloc (mb, conv_arg);
6247 case MARSHAL_ACTION_PUSH:
6248 mono_mb_emit_ldloc (mb, conv_arg);
6251 case MARSHAL_ACTION_CONV_OUT: {
6252 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, NULL);
6254 mono_mb_emit_ldarg (mb, argnum);
6255 mono_mb_emit_ldloc (mb, conv_arg);
6256 mono_mb_emit_icon (mb, encoding);
6257 mono_mb_emit_icon (mb, t->attrs);
6258 mono_mb_emit_icall (mb, mono_marshal_free_asany);
6263 g_assert_not_reached ();
6270 emit_marshal_vtype (EmitMarshalContext *m, int argnum, MonoType *t,
6271 MonoMarshalSpec *spec,
6272 int conv_arg, MonoType **conv_arg_type,
6273 MarshalAction action)
6276 MonoMethodBuilder *mb = m->mb;
6277 MonoClass *klass, *date_time_class;
6280 klass = mono_class_from_mono_type (t);
6282 date_time_class = mono_class_from_name_cached (mono_defaults.corlib, "System", "DateTime");
6285 case MARSHAL_ACTION_CONV_IN:
6286 if (klass == date_time_class) {
6287 /* Convert it to an OLE DATE type */
6288 static MonoMethod *to_oadate;
6291 to_oadate = mono_class_get_method_from_name (date_time_class, "ToOADate", 0);
6292 g_assert (to_oadate);
6294 conv_arg = mono_mb_add_local (mb, &mono_defaults.double_class->byval_arg);
6297 mono_mb_emit_ldarg (mb, argnum);
6298 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6301 if (!(t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && (t->attrs & PARAM_ATTRIBUTE_OUT))) {
6303 m->csig->params [argnum - m->csig->hasthis] = &mono_defaults.double_class->byval_arg;
6305 mono_mb_emit_ldarg_addr (mb, argnum);
6306 mono_mb_emit_managed_call (mb, to_oadate, NULL);
6307 mono_mb_emit_stloc (mb, conv_arg);
6311 mono_mb_patch_branch (mb, pos);
6315 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6316 klass->blittable || klass->enumtype)
6319 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6321 /* store the address of the source into local variable 0 */
6323 mono_mb_emit_ldarg (mb, argnum);
6325 mono_mb_emit_ldarg_addr (mb, argnum);
6327 mono_mb_emit_stloc (mb, 0);
6329 /* allocate space for the native struct and
6330 * store the address into local variable 1 (dest) */
6331 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
6332 mono_mb_emit_byte (mb, CEE_PREFIX1);
6333 mono_mb_emit_byte (mb, CEE_LOCALLOC);
6334 mono_mb_emit_stloc (mb, conv_arg);
6337 mono_mb_emit_ldloc (mb, 0);
6338 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6341 if (!(t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && (t->attrs & PARAM_ATTRIBUTE_OUT))) {
6343 mono_mb_emit_ldloc (mb, conv_arg);
6344 mono_mb_emit_stloc (mb, 1);
6346 /* emit valuetype conversion code */
6347 emit_struct_conv (mb, klass, FALSE);
6351 mono_mb_patch_branch (mb, pos);
6354 case MARSHAL_ACTION_PUSH:
6355 if (spec && spec->native == MONO_NATIVE_LPSTRUCT) {
6357 g_assert (!t->byref);
6359 /* Have to change the signature since the vtype is passed byref */
6360 m->csig->params [argnum - m->csig->hasthis] = &mono_defaults.int_class->byval_arg;
6362 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6363 klass->blittable || klass->enumtype)
6364 mono_mb_emit_ldarg_addr (mb, argnum);
6366 mono_mb_emit_ldloc (mb, conv_arg);
6370 if (klass == date_time_class) {
6372 mono_mb_emit_ldloc_addr (mb, conv_arg);
6374 mono_mb_emit_ldloc (mb, conv_arg);
6378 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6379 klass->blittable || klass->enumtype) {
6380 mono_mb_emit_ldarg (mb, argnum);
6383 mono_mb_emit_ldloc (mb, conv_arg);
6385 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6386 mono_mb_emit_op (mb, CEE_MONO_LDNATIVEOBJ, klass);
6390 case MARSHAL_ACTION_CONV_OUT:
6391 if (klass == date_time_class) {
6392 /* Convert from an OLE DATE type */
6393 static MonoMethod *from_oadate;
6398 if (!((t->attrs & PARAM_ATTRIBUTE_IN) && !(t->attrs & PARAM_ATTRIBUTE_OUT))) {
6400 from_oadate = mono_class_get_method_from_name (date_time_class, "FromOADate", 1);
6401 g_assert (from_oadate);
6403 mono_mb_emit_ldarg (mb, argnum);
6404 mono_mb_emit_ldloc (mb, conv_arg);
6405 mono_mb_emit_managed_call (mb, from_oadate, NULL);
6406 mono_mb_emit_op (mb, CEE_STOBJ, date_time_class);
6411 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6412 klass->blittable || klass->enumtype)
6416 /* dst = argument */
6417 mono_mb_emit_ldarg (mb, argnum);
6418 mono_mb_emit_stloc (mb, 1);
6420 mono_mb_emit_ldloc (mb, 1);
6421 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6423 if (!((t->attrs & PARAM_ATTRIBUTE_IN) && !(t->attrs & PARAM_ATTRIBUTE_OUT))) {
6424 /* src = tmp_locals [i] */
6425 mono_mb_emit_ldloc (mb, conv_arg);
6426 mono_mb_emit_stloc (mb, 0);
6428 /* emit valuetype conversion code */
6429 emit_struct_conv (mb, klass, TRUE);
6433 emit_struct_free (mb, klass, conv_arg);
6436 mono_mb_patch_branch (mb, pos);
6439 case MARSHAL_ACTION_CONV_RESULT:
6440 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6442 mono_mb_emit_stloc (mb, 3);
6446 /* load pointer to returned value type */
6447 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6448 mono_mb_emit_byte (mb, CEE_MONO_VTADDR);
6449 /* store the address of the source into local variable 0 */
6450 mono_mb_emit_stloc (mb, 0);
6452 mono_mb_emit_ldloc_addr (mb, 3);
6453 mono_mb_emit_stloc (mb, 1);
6455 /* emit valuetype conversion code */
6456 emit_struct_conv (mb, klass, TRUE);
6459 case MARSHAL_ACTION_MANAGED_CONV_IN:
6460 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6461 klass->blittable || klass->enumtype) {
6466 conv_arg = mono_mb_add_local (mb, &klass->byval_arg);
6468 if (t->attrs & PARAM_ATTRIBUTE_OUT)
6472 mono_mb_emit_ldarg (mb, argnum);
6474 mono_mb_emit_ldarg_addr (mb, argnum);
6475 mono_mb_emit_stloc (mb, 0);
6478 mono_mb_emit_ldloc (mb, 0);
6479 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6482 mono_mb_emit_ldloc_addr (mb, conv_arg);
6483 mono_mb_emit_stloc (mb, 1);
6485 /* emit valuetype conversion code */
6486 emit_struct_conv (mb, klass, TRUE);
6489 mono_mb_patch_branch (mb, pos);
6492 case MARSHAL_ACTION_MANAGED_CONV_OUT:
6493 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6494 klass->blittable || klass->enumtype) {
6498 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_IN) && !(t->attrs & PARAM_ATTRIBUTE_OUT))
6501 /* Check for null */
6502 mono_mb_emit_ldarg (mb, argnum);
6503 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6506 mono_mb_emit_ldloc_addr (mb, conv_arg);
6507 mono_mb_emit_stloc (mb, 0);
6510 mono_mb_emit_ldarg (mb, argnum);
6511 mono_mb_emit_stloc (mb, 1);
6513 /* emit valuetype conversion code */
6514 emit_struct_conv (mb, klass, FALSE);
6516 mono_mb_patch_branch (mb, pos2);
6519 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
6520 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6521 klass->blittable || klass->enumtype) {
6522 mono_mb_emit_stloc (mb, 3);
6527 /* load pointer to returned value type */
6528 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6529 mono_mb_emit_byte (mb, CEE_MONO_VTADDR);
6531 /* store the address of the source into local variable 0 */
6532 mono_mb_emit_stloc (mb, 0);
6533 /* allocate space for the native struct and
6534 * store the address into dst_ptr */
6535 m->retobj_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6536 m->retobj_class = klass;
6537 g_assert (m->retobj_var);
6538 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
6539 mono_mb_emit_byte (mb, CEE_CONV_I);
6540 mono_mb_emit_icall (mb, mono_marshal_alloc);
6541 mono_mb_emit_stloc (mb, 1);
6542 mono_mb_emit_ldloc (mb, 1);
6543 mono_mb_emit_stloc (mb, m->retobj_var);
6545 /* emit valuetype conversion code */
6546 emit_struct_conv (mb, klass, FALSE);
6550 g_assert_not_reached ();
6557 emit_marshal_string (EmitMarshalContext *m, int argnum, MonoType *t,
6558 MonoMarshalSpec *spec,
6559 int conv_arg, MonoType **conv_arg_type,
6560 MarshalAction action)
6564 case MARSHAL_ACTION_CONV_IN:
6565 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6567 case MARSHAL_ACTION_MANAGED_CONV_IN:
6568 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6572 MonoMethodBuilder *mb = m->mb;
6573 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
6574 MonoMarshalConv conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
6578 case MARSHAL_ACTION_CONV_IN:
6579 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6580 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6583 if (t->attrs & PARAM_ATTRIBUTE_OUT)
6586 mono_mb_emit_ldarg (mb, argnum);
6587 mono_mb_emit_byte (mb, CEE_LDIND_I);
6589 mono_mb_emit_ldarg (mb, argnum);
6593 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
6594 mono_mb_emit_exception_marshal_directive (mb, msg);
6596 mono_mb_emit_icall (mb, conv_to_icall (conv));
6598 mono_mb_emit_stloc (mb, conv_arg);
6602 case MARSHAL_ACTION_CONV_OUT:
6603 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
6605 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
6606 mono_mb_emit_exception_marshal_directive (mb, msg);
6610 if (encoding == MONO_NATIVE_VBBYREFSTR) {
6611 static MonoMethod *m;
6614 m = mono_class_get_method_from_name_flags (mono_defaults.string_class, "get_Length", -1, 0);
6619 char *msg = g_strdup_printf ("VBByRefStr marshalling requires a ref parameter.", encoding);
6620 mono_mb_emit_exception_marshal_directive (mb, msg);
6625 * Have to allocate a new string with the same length as the original, and
6626 * copy the contents of the buffer pointed to by CONV_ARG into it.
6628 g_assert (t->byref);
6629 mono_mb_emit_ldarg (mb, argnum);
6630 mono_mb_emit_ldloc (mb, conv_arg);
6631 mono_mb_emit_ldarg (mb, argnum);
6632 mono_mb_emit_byte (mb, CEE_LDIND_I);
6633 mono_mb_emit_managed_call (mb, m, NULL);
6634 mono_mb_emit_icall (mb, mono_string_new_len_wrapper);
6635 mono_mb_emit_byte (mb, CEE_STIND_REF);
6636 } else if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT || !(t->attrs & PARAM_ATTRIBUTE_IN))) {
6637 mono_mb_emit_ldarg (mb, argnum);
6638 mono_mb_emit_ldloc (mb, conv_arg);
6639 mono_mb_emit_icall (mb, conv_to_icall (conv));
6640 mono_mb_emit_byte (mb, CEE_STIND_REF);
6645 mono_mb_emit_ldloc (mb, conv_arg);
6646 if (conv == MONO_MARSHAL_CONV_BSTR_STR)
6647 mono_mb_emit_icall (mb, mono_free_bstr);
6649 mono_mb_emit_icall (mb, mono_marshal_free);
6653 case MARSHAL_ACTION_PUSH:
6654 if (t->byref && encoding != MONO_NATIVE_VBBYREFSTR)
6655 mono_mb_emit_ldloc_addr (mb, conv_arg);
6657 mono_mb_emit_ldloc (mb, conv_arg);
6660 case MARSHAL_ACTION_CONV_RESULT:
6661 mono_mb_emit_stloc (mb, 0);
6663 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
6665 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
6666 mono_mb_emit_exception_marshal_directive (mb, msg);
6670 mono_mb_emit_ldloc (mb, 0);
6671 mono_mb_emit_icall (mb, conv_to_icall (conv));
6672 mono_mb_emit_stloc (mb, 3);
6674 /* free the string */
6675 mono_mb_emit_ldloc (mb, 0);
6676 if (conv == MONO_MARSHAL_CONV_BSTR_STR)
6677 mono_mb_emit_icall (mb, mono_free_bstr);
6679 mono_mb_emit_icall (mb, mono_marshal_free);
6682 case MARSHAL_ACTION_MANAGED_CONV_IN:
6683 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
6685 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6688 if (t->attrs & PARAM_ATTRIBUTE_OUT)
6692 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
6694 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
6695 mono_mb_emit_exception_marshal_directive (mb, msg);
6699 mono_mb_emit_ldarg (mb, argnum);
6701 mono_mb_emit_byte (mb, CEE_LDIND_I);
6702 mono_mb_emit_icall (mb, conv_to_icall (conv));
6703 mono_mb_emit_stloc (mb, conv_arg);
6706 case MARSHAL_ACTION_MANAGED_CONV_OUT:
6709 mono_mb_emit_ldarg (mb, argnum);
6710 mono_mb_emit_ldloc (mb, conv_arg);
6711 mono_mb_emit_icall (mb, conv_to_icall (conv));
6712 mono_mb_emit_byte (mb, CEE_STIND_I);
6717 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
6718 if (conv_to_icall (conv) == mono_marshal_string_to_utf16)
6719 /* We need to make a copy so the caller is able to free it */
6720 mono_mb_emit_icall (mb, mono_marshal_string_to_utf16_copy);
6722 mono_mb_emit_icall (mb, conv_to_icall (conv));
6723 mono_mb_emit_stloc (mb, 3);
6727 g_assert_not_reached ();
6735 emit_marshal_safehandle (EmitMarshalContext *m, int argnum, MonoType *t,
6736 MonoMarshalSpec *spec, int conv_arg,
6737 MonoType **conv_arg_type, MarshalAction action)
6740 if (action == MARSHAL_ACTION_CONV_IN)
6741 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6743 MonoMethodBuilder *mb = m->mb;
6746 case MARSHAL_ACTION_CONV_IN: {
6747 MonoType *intptr_type;
6748 int dar_release_slot, pos;
6750 intptr_type = &mono_defaults.int_class->byval_arg;
6751 conv_arg = mono_mb_add_local (mb, intptr_type);
6752 *conv_arg_type = intptr_type;
6754 if (!sh_dangerous_add_ref)
6755 init_safe_handle ();
6757 mono_mb_emit_ldarg (mb, argnum);
6758 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
6759 mono_mb_emit_exception (mb, "ArgumentNullException", NULL);
6761 mono_mb_patch_branch (mb, pos);
6764 * My tests in show that ref SafeHandles are not really
6765 * passed as ref objects. Instead a NULL is passed as the
6768 mono_mb_emit_icon (mb, 0);
6769 mono_mb_emit_stloc (mb, conv_arg);
6773 /* Create local to hold the ref parameter to DangerousAddRef */
6774 dar_release_slot = mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
6776 /* set release = false; */
6777 mono_mb_emit_icon (mb, 0);
6778 mono_mb_emit_stloc (mb, dar_release_slot);
6780 /* safehandle.DangerousAddRef (ref release) */
6781 mono_mb_emit_ldarg (mb, argnum);
6782 mono_mb_emit_ldloc_addr (mb, dar_release_slot);
6783 mono_mb_emit_managed_call (mb, sh_dangerous_add_ref, NULL);
6785 /* Pull the handle field from SafeHandle */
6786 mono_mb_emit_ldarg (mb, argnum);
6787 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoSafeHandle, handle));
6788 mono_mb_emit_byte (mb, CEE_LDIND_I);
6789 mono_mb_emit_stloc (mb, conv_arg);
6794 case MARSHAL_ACTION_PUSH:
6796 mono_mb_emit_ldloc_addr (mb, conv_arg);
6798 mono_mb_emit_ldloc (mb, conv_arg);
6801 case MARSHAL_ACTION_CONV_OUT: {
6802 /* The slot for the boolean is the next temporary created after conv_arg, see the CONV_IN code */
6803 int dar_release_slot = conv_arg + 1;
6806 if (!sh_dangerous_release)
6807 init_safe_handle ();
6813 * My tests indicate that ref SafeHandles parameters are not actually
6814 * passed by ref, but instead a new Handle is created regardless of
6815 * whether a change happens in the unmanaged side.
6817 * Also, the Handle is created before calling into unmanaged code,
6818 * but we do not support that mechanism (getting to the original
6819 * handle) and it makes no difference where we create this
6821 ctor = mono_class_get_method_from_name (t->data.klass, ".ctor", 0);
6823 mono_mb_emit_exception (mb, "MissingMethodException", "paramterless constructor required");
6826 /* refval = new SafeHandleDerived ()*/
6827 mono_mb_emit_ldarg (mb, argnum);
6828 mono_mb_emit_op (mb, CEE_NEWOBJ, ctor);
6829 mono_mb_emit_byte (mb, CEE_STIND_REF);
6831 /* refval.handle = returned_handle */
6832 mono_mb_emit_ldarg (mb, argnum);
6833 mono_mb_emit_byte (mb, CEE_LDIND_REF);
6834 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoSafeHandle, handle));
6835 mono_mb_emit_ldloc (mb, conv_arg);
6836 mono_mb_emit_byte (mb, CEE_STIND_I);
6838 mono_mb_emit_ldloc (mb, dar_release_slot);
6839 label_next = mono_mb_emit_branch (mb, CEE_BRFALSE);
6840 mono_mb_emit_ldarg (mb, argnum);
6841 mono_mb_emit_managed_call (mb, sh_dangerous_release, NULL);
6842 mono_mb_patch_branch (mb, label_next);
6847 case MARSHAL_ACTION_CONV_RESULT: {
6848 MonoMethod *ctor = NULL;
6849 int intptr_handle_slot;
6851 if (t->data.klass->flags & TYPE_ATTRIBUTE_ABSTRACT){
6852 mono_mb_emit_byte (mb, CEE_POP);
6853 mono_mb_emit_exception_marshal_directive (mb, g_strdup ("Returned SafeHandles should not be abstract"));
6857 ctor = mono_class_get_method_from_name (t->data.klass, ".ctor", 0);
6859 mono_mb_emit_byte (mb, CEE_POP);
6860 mono_mb_emit_exception (mb, "MissingMethodException", "paramterless constructor required");
6863 /* Store the IntPtr results into a local */
6864 intptr_handle_slot = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6865 mono_mb_emit_stloc (mb, intptr_handle_slot);
6867 /* Create return value */
6868 mono_mb_emit_op (mb, CEE_NEWOBJ, ctor);
6869 mono_mb_emit_stloc (mb, 3);
6871 /* Set the return.handle to the value, am using ldflda, not sure if thats a good idea */
6872 mono_mb_emit_ldloc (mb, 3);
6873 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoSafeHandle, handle));
6874 mono_mb_emit_ldloc (mb, intptr_handle_slot);
6875 mono_mb_emit_byte (mb, CEE_STIND_I);
6879 case MARSHAL_ACTION_MANAGED_CONV_IN:
6880 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_IN\n");
6883 case MARSHAL_ACTION_MANAGED_CONV_OUT:
6884 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_OUT\n");
6887 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
6888 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_RESULT\n");
6891 printf ("Unhandled case for MarshalAction: %d\n", action);
6899 emit_marshal_handleref (EmitMarshalContext *m, int argnum, MonoType *t,
6900 MonoMarshalSpec *spec, int conv_arg,
6901 MonoType **conv_arg_type, MarshalAction action)
6904 if (action == MARSHAL_ACTION_CONV_IN)
6905 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6907 MonoMethodBuilder *mb = m->mb;
6910 case MARSHAL_ACTION_CONV_IN: {
6911 MonoType *intptr_type;
6913 intptr_type = &mono_defaults.int_class->byval_arg;
6914 conv_arg = mono_mb_add_local (mb, intptr_type);
6915 *conv_arg_type = intptr_type;
6918 char *msg = g_strdup ("HandleRefs can not be returned from unmanaged code (or passed by ref)");
6919 mono_mb_emit_exception_marshal_directive (mb, msg);
6922 mono_mb_emit_ldarg_addr (mb, argnum);
6923 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoHandleRef, handle));
6924 mono_mb_emit_byte (mb, CEE_ADD);
6925 mono_mb_emit_byte (mb, CEE_LDIND_I);
6926 mono_mb_emit_stloc (mb, conv_arg);
6930 case MARSHAL_ACTION_PUSH:
6931 mono_mb_emit_ldloc (mb, conv_arg);
6934 case MARSHAL_ACTION_CONV_OUT: {
6935 /* no resource release required */
6939 case MARSHAL_ACTION_CONV_RESULT: {
6940 char *msg = g_strdup ("HandleRefs can not be returned from unmanaged code (or passed by ref)");
6941 mono_mb_emit_exception_marshal_directive (mb, msg);
6945 case MARSHAL_ACTION_MANAGED_CONV_IN:
6946 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_IN\n");
6949 case MARSHAL_ACTION_MANAGED_CONV_OUT:
6950 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_OUT\n");
6953 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
6954 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_RESULT\n");
6957 fprintf (stderr, "Unhandled case for MarshalAction: %d\n", action);
6965 emit_marshal_object (EmitMarshalContext *m, int argnum, MonoType *t,
6966 MonoMarshalSpec *spec,
6967 int conv_arg, MonoType **conv_arg_type,
6968 MarshalAction action)
6971 if (action == MARSHAL_ACTION_CONV_IN)
6972 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6974 MonoMethodBuilder *mb = m->mb;
6975 MonoClass *klass = mono_class_from_mono_type (t);
6979 case MARSHAL_ACTION_CONV_IN:
6980 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6981 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6983 m->orig_conv_args [argnum] = 0;
6985 if (mono_class_from_mono_type (t) == mono_defaults.object_class) {
6986 char *msg = g_strdup_printf ("Marshalling of type object is not implemented");
6987 mono_mb_emit_exception_marshal_directive (mb, msg);
6991 if (klass->delegate) {
6993 if (!(t->attrs & PARAM_ATTRIBUTE_OUT)) {
6994 char *msg = g_strdup_printf ("Byref marshalling of delegates is not implemented.");
6995 mono_mb_emit_exception_marshal_directive (mb, msg);
6997 mono_mb_emit_byte (mb, CEE_LDNULL);
6998 mono_mb_emit_stloc (mb, conv_arg);
7000 mono_mb_emit_ldarg (mb, argnum);
7001 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_DEL_FTN));
7002 mono_mb_emit_stloc (mb, conv_arg);
7004 } else if (klass == mono_defaults.stringbuilder_class) {
7005 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
7006 MonoMarshalConv conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
7010 if (!(t->attrs & PARAM_ATTRIBUTE_OUT)) {
7011 char *msg = g_strdup_printf ("Byref marshalling of stringbuilders is not implemented.");
7012 mono_mb_emit_exception_marshal_directive (mb, msg);
7018 if (t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && (t->attrs & PARAM_ATTRIBUTE_OUT))
7022 char *msg = g_strdup_printf ("stringbuilder marshalling conversion %d not implemented", encoding);
7023 mono_mb_emit_exception_marshal_directive (mb, msg);
7027 mono_mb_emit_ldarg (mb, argnum);
7029 mono_mb_emit_byte (mb, CEE_LDIND_I);
7031 mono_mb_emit_icall (mb, conv_to_icall (conv));
7032 mono_mb_emit_stloc (mb, conv_arg);
7033 } else if (klass->blittable) {
7034 mono_mb_emit_byte (mb, CEE_LDNULL);
7035 mono_mb_emit_stloc (mb, conv_arg);
7037 mono_mb_emit_ldarg (mb, argnum);
7038 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
7040 mono_mb_emit_ldarg (mb, argnum);
7041 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
7042 mono_mb_emit_stloc (mb, conv_arg);
7044 mono_mb_patch_branch (mb, pos);
7047 mono_mb_emit_byte (mb, CEE_LDNULL);
7048 mono_mb_emit_stloc (mb, conv_arg);
7051 /* we dont need any conversions for out parameters */
7052 if (t->attrs & PARAM_ATTRIBUTE_OUT)
7055 mono_mb_emit_ldarg (mb, argnum);
7056 mono_mb_emit_byte (mb, CEE_LDIND_I);
7059 mono_mb_emit_ldarg (mb, argnum);
7060 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
7061 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
7064 /* store the address of the source into local variable 0 */
7065 mono_mb_emit_stloc (mb, 0);
7066 mono_mb_emit_ldloc (mb, 0);
7067 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
7069 /* allocate space for the native struct and store the address */
7070 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
7071 mono_mb_emit_byte (mb, CEE_PREFIX1);
7072 mono_mb_emit_byte (mb, CEE_LOCALLOC);
7073 mono_mb_emit_stloc (mb, conv_arg);
7076 /* Need to store the original buffer so we can free it later */
7077 m->orig_conv_args [argnum] = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7078 mono_mb_emit_ldloc (mb, conv_arg);
7079 mono_mb_emit_stloc (mb, m->orig_conv_args [argnum]);
7082 /* set the src_ptr */
7083 mono_mb_emit_ldloc (mb, 0);
7084 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
7085 mono_mb_emit_stloc (mb, 0);
7088 mono_mb_emit_ldloc (mb, conv_arg);
7089 mono_mb_emit_stloc (mb, 1);
7091 /* emit valuetype conversion code */
7092 emit_struct_conv (mb, klass, FALSE);
7094 mono_mb_patch_branch (mb, pos);
7098 case MARSHAL_ACTION_CONV_OUT:
7099 if (klass == mono_defaults.stringbuilder_class) {
7101 MonoMarshalNative encoding;
7102 MonoMarshalConv conv;
7104 encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
7105 conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free);
7107 g_assert (encoding != -1);
7110 //g_assert (!(t->attrs & PARAM_ATTRIBUTE_OUT));
7114 mono_mb_emit_ldarg (mb, argnum);
7115 mono_mb_emit_ldloc (mb, conv_arg);
7118 case MONO_NATIVE_LPWSTR:
7119 mono_mb_emit_icall (mb, mono_string_utf16_to_builder2);
7121 case MONO_NATIVE_LPSTR:
7122 mono_mb_emit_icall (mb, mono_string_utf8_to_builder2);
7125 g_assert_not_reached ();
7128 mono_mb_emit_byte (mb, CEE_STIND_REF);
7130 mono_mb_emit_ldarg (mb, argnum);
7131 mono_mb_emit_ldloc (mb, conv_arg);
7133 mono_mb_emit_icall (mb, conv_to_icall (conv));
7137 mono_mb_emit_ldloc (mb, conv_arg);
7138 mono_mb_emit_icall (mb, mono_marshal_free);
7143 if (klass->delegate) {
7145 mono_mb_emit_ldarg (mb, argnum);
7146 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
7147 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
7148 mono_mb_emit_ldloc (mb, conv_arg);
7149 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_FTN_DEL));
7150 mono_mb_emit_byte (mb, CEE_STIND_REF);
7155 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT)) {
7156 /* allocate a new object */
7157 mono_mb_emit_ldarg (mb, argnum);
7158 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
7159 mono_mb_emit_op (mb, CEE_MONO_NEWOBJ, klass);
7160 mono_mb_emit_byte (mb, CEE_STIND_REF);
7163 /* dst = *argument */
7164 mono_mb_emit_ldarg (mb, argnum);
7167 mono_mb_emit_byte (mb, CEE_LDIND_I);
7169 mono_mb_emit_stloc (mb, 1);
7171 mono_mb_emit_ldloc (mb, 1);
7172 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
7174 if (t->byref || (t->attrs & PARAM_ATTRIBUTE_OUT)) {
7175 mono_mb_emit_ldloc (mb, 1);
7176 mono_mb_emit_icon (mb, sizeof (MonoObject));
7177 mono_mb_emit_byte (mb, CEE_ADD);
7178 mono_mb_emit_stloc (mb, 1);
7180 /* src = tmp_locals [i] */
7181 mono_mb_emit_ldloc (mb, conv_arg);
7182 mono_mb_emit_stloc (mb, 0);
7184 /* emit valuetype conversion code */
7185 emit_struct_conv (mb, klass, TRUE);
7187 /* Free the structure returned by the native code */
7188 emit_struct_free (mb, klass, conv_arg);
7190 if (m->orig_conv_args [argnum]) {
7192 * If the native function changed the pointer, then free
7193 * the original structure plus the new pointer.
7195 mono_mb_emit_ldloc (mb, m->orig_conv_args [argnum]);
7196 mono_mb_emit_ldloc (mb, conv_arg);
7197 pos2 = mono_mb_emit_branch (mb, CEE_BEQ);
7199 if (!(t->attrs & PARAM_ATTRIBUTE_OUT)) {
7200 g_assert (m->orig_conv_args [argnum]);
7202 emit_struct_free (mb, klass, m->orig_conv_args [argnum]);
7205 mono_mb_emit_ldloc (mb, conv_arg);
7206 mono_mb_emit_icall (mb, mono_marshal_free);
7208 mono_mb_patch_branch (mb, pos2);
7212 /* Free the original structure passed to native code */
7213 emit_struct_free (mb, klass, conv_arg);
7215 mono_mb_patch_branch (mb, pos);
7218 case MARSHAL_ACTION_PUSH:
7220 mono_mb_emit_ldloc_addr (mb, conv_arg);
7222 mono_mb_emit_ldloc (mb, conv_arg);
7225 case MARSHAL_ACTION_CONV_RESULT:
7226 if (klass->delegate) {
7227 g_assert (!t->byref);
7228 mono_mb_emit_stloc (mb, 0);
7229 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
7230 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
7231 mono_mb_emit_ldloc (mb, 0);
7232 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_FTN_DEL));
7233 mono_mb_emit_stloc (mb, 3);
7236 mono_mb_emit_stloc (mb, 0);
7238 /* Make a copy since emit_conv modifies local 0 */
7239 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7240 mono_mb_emit_ldloc (mb, 0);
7241 mono_mb_emit_stloc (mb, loc);
7243 mono_mb_emit_byte (mb, CEE_LDNULL);
7244 mono_mb_emit_stloc (mb, 3);
7246 mono_mb_emit_ldloc (mb, 0);
7247 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
7249 /* allocate result object */
7251 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
7252 mono_mb_emit_op (mb, CEE_MONO_NEWOBJ, klass);
7253 mono_mb_emit_stloc (mb, 3);
7257 mono_mb_emit_ldloc (mb, 3);
7258 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
7259 mono_mb_emit_stloc (mb, 1);
7261 /* emit conversion code */
7262 emit_struct_conv (mb, klass, TRUE);
7264 emit_struct_free (mb, klass, loc);
7266 /* Free the pointer allocated by unmanaged code */
7267 mono_mb_emit_ldloc (mb, loc);
7268 mono_mb_emit_icall (mb, mono_marshal_free);
7269 mono_mb_patch_branch (mb, pos);
7273 case MARSHAL_ACTION_MANAGED_CONV_IN:
7274 conv_arg = mono_mb_add_local (mb, &klass->byval_arg);
7276 if (klass->delegate) {
7277 g_assert (!t->byref);
7278 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
7279 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
7280 mono_mb_emit_ldarg (mb, argnum);
7281 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_FTN_DEL));
7282 mono_mb_emit_stloc (mb, conv_arg);
7286 if (klass == mono_defaults.stringbuilder_class) {
7287 MonoMarshalNative encoding;
7289 encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
7292 g_assert (encoding == MONO_NATIVE_LPSTR);
7294 g_assert (!t->byref);
7295 g_assert (encoding != -1);
7297 mono_mb_emit_ldarg (mb, argnum);
7298 mono_mb_emit_icall (mb, mono_string_utf8_to_builder2);
7299 mono_mb_emit_stloc (mb, conv_arg);
7303 /* The class can not have an automatic layout */
7304 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
7305 mono_mb_emit_auto_layout_exception (mb, klass);
7309 if (t->attrs & PARAM_ATTRIBUTE_OUT) {
7310 mono_mb_emit_byte (mb, CEE_LDNULL);
7311 mono_mb_emit_stloc (mb, conv_arg);
7316 mono_mb_emit_ldarg (mb, argnum);
7320 /* Check for NULL and raise an exception */
7321 pos2 = mono_mb_emit_branch (mb, CEE_BRTRUE);
7323 mono_mb_emit_exception (mb, "ArgumentNullException", NULL);
7325 mono_mb_patch_branch (mb, pos2);
7326 mono_mb_emit_ldarg (mb, argnum);
7327 mono_mb_emit_byte (mb, CEE_LDIND_I);
7330 mono_mb_emit_stloc (mb, 0);
7332 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7333 mono_mb_emit_stloc (mb, conv_arg);
7335 mono_mb_emit_ldloc (mb, 0);
7336 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
7338 /* Create and set dst */
7339 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
7340 mono_mb_emit_op (mb, CEE_MONO_NEWOBJ, klass);
7341 mono_mb_emit_stloc (mb, conv_arg);
7342 mono_mb_emit_ldloc (mb, conv_arg);
7343 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
7344 mono_mb_emit_stloc (mb, 1);
7346 /* emit valuetype conversion code */
7347 emit_struct_conv (mb, klass, TRUE);
7349 mono_mb_patch_branch (mb, pos);
7352 case MARSHAL_ACTION_MANAGED_CONV_OUT:
7354 /* Check for null */
7355 mono_mb_emit_ldloc (mb, conv_arg);
7356 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
7357 mono_mb_emit_ldarg (mb, argnum);
7358 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7359 mono_mb_emit_byte (mb, CEE_STIND_REF);
7360 pos2 = mono_mb_emit_branch (mb, CEE_BR);
7362 mono_mb_patch_branch (mb, pos);
7365 mono_mb_emit_ldloc (mb, conv_arg);
7366 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
7367 mono_mb_emit_stloc (mb, 0);
7369 /* Allocate and set dest */
7370 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
7371 mono_mb_emit_byte (mb, CEE_CONV_I);
7372 mono_mb_emit_icall (mb, mono_marshal_alloc);
7373 mono_mb_emit_stloc (mb, 1);
7375 /* Update argument pointer */
7376 mono_mb_emit_ldarg (mb, argnum);
7377 mono_mb_emit_ldloc (mb, 1);
7378 mono_mb_emit_byte (mb, CEE_STIND_I);
7380 /* emit valuetype conversion code */
7381 emit_struct_conv (mb, klass, FALSE);
7383 mono_mb_patch_branch (mb, pos2);
7385 /* byval [Out] marshalling */
7387 /* FIXME: Handle null */
7390 mono_mb_emit_ldloc (mb, conv_arg);
7391 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
7392 mono_mb_emit_stloc (mb, 0);
7395 mono_mb_emit_ldarg (mb, argnum);
7396 mono_mb_emit_stloc (mb, 1);
7398 /* emit valuetype conversion code */
7399 emit_struct_conv (mb, klass, FALSE);
7403 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
7404 if (klass->delegate) {
7405 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_DEL_FTN));
7406 mono_mb_emit_stloc (mb, 3);
7410 /* The class can not have an automatic layout */
7411 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
7412 mono_mb_emit_auto_layout_exception (mb, klass);
7416 mono_mb_emit_stloc (mb, 0);
7417 /* Check for null */
7418 mono_mb_emit_ldloc (mb, 0);
7419 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
7420 mono_mb_emit_byte (mb, CEE_LDNULL);
7421 mono_mb_emit_stloc (mb, 3);
7422 pos2 = mono_mb_emit_branch (mb, CEE_BR);
7424 mono_mb_patch_branch (mb, pos);
7427 mono_mb_emit_ldloc (mb, 0);
7428 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
7429 mono_mb_emit_stloc (mb, 0);
7431 /* Allocate and set dest */
7432 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
7433 mono_mb_emit_byte (mb, CEE_CONV_I);
7434 mono_mb_emit_icall (mb, mono_marshal_alloc);
7435 mono_mb_emit_byte (mb, CEE_DUP);
7436 mono_mb_emit_stloc (mb, 1);
7437 mono_mb_emit_stloc (mb, 3);
7439 emit_struct_conv (mb, klass, FALSE);
7441 mono_mb_patch_branch (mb, pos2);
7445 g_assert_not_reached ();
7456 emit_marshal_variant (EmitMarshalContext *m, int argnum, MonoType *t,
7457 MonoMarshalSpec *spec,
7458 int conv_arg, MonoType **conv_arg_type,
7459 MarshalAction action)
7461 MonoMethodBuilder *mb = m->mb;
7462 static MonoMethod *get_object_for_native_variant = NULL;
7463 static MonoMethod *get_native_variant_for_object = NULL;
7465 if (!get_object_for_native_variant)
7466 get_object_for_native_variant = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetObjectForNativeVariant", 1);
7467 g_assert (get_object_for_native_variant);
7469 if (!get_native_variant_for_object)
7470 get_native_variant_for_object = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetNativeVariantForObject", 2);
7471 g_assert (get_native_variant_for_object);
7474 case MARSHAL_ACTION_CONV_IN: {
7475 conv_arg = mono_mb_add_local (mb, &mono_class_get_variant_class ()->byval_arg);
7478 *conv_arg_type = &mono_class_get_variant_class ()->this_arg;
7480 *conv_arg_type = &mono_class_get_variant_class ()->byval_arg;
7482 if (t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && t->attrs & PARAM_ATTRIBUTE_OUT)
7485 mono_mb_emit_ldarg (mb, argnum);
7487 mono_mb_emit_byte(mb, CEE_LDIND_REF);
7488 mono_mb_emit_ldloc_addr (mb, conv_arg);
7489 mono_mb_emit_managed_call (mb, get_native_variant_for_object, NULL);
7493 case MARSHAL_ACTION_CONV_OUT: {
7494 static MonoMethod *variant_clear = NULL;
7497 variant_clear = mono_class_get_method_from_name (mono_class_get_variant_class (), "Clear", 0);
7498 g_assert (variant_clear);
7501 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT || !(t->attrs & PARAM_ATTRIBUTE_IN))) {
7502 mono_mb_emit_ldarg (mb, argnum);
7503 mono_mb_emit_ldloc_addr (mb, conv_arg);
7504 mono_mb_emit_managed_call (mb, get_object_for_native_variant, NULL);
7505 mono_mb_emit_byte (mb, CEE_STIND_REF);
7508 mono_mb_emit_ldloc_addr (mb, conv_arg);
7509 mono_mb_emit_managed_call (mb, variant_clear, NULL);
7513 case MARSHAL_ACTION_PUSH:
7515 mono_mb_emit_ldloc_addr (mb, conv_arg);
7517 mono_mb_emit_ldloc (mb, conv_arg);
7520 case MARSHAL_ACTION_CONV_RESULT: {
7521 char *msg = g_strdup ("Marshalling of VARIANT not supported as a return type.");
7522 mono_mb_emit_exception_marshal_directive (mb, msg);
7526 case MARSHAL_ACTION_MANAGED_CONV_IN: {
7527 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
7530 *conv_arg_type = &mono_class_get_variant_class ()->this_arg;
7532 *conv_arg_type = &mono_class_get_variant_class ()->byval_arg;
7534 if (t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && t->attrs & PARAM_ATTRIBUTE_OUT)
7538 mono_mb_emit_ldarg (mb, argnum);
7540 mono_mb_emit_ldarg_addr (mb, argnum);
7541 mono_mb_emit_managed_call (mb, get_object_for_native_variant, NULL);
7542 mono_mb_emit_stloc (mb, conv_arg);
7546 case MARSHAL_ACTION_MANAGED_CONV_OUT: {
7547 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT || !(t->attrs & PARAM_ATTRIBUTE_IN))) {
7548 mono_mb_emit_ldloc (mb, conv_arg);
7549 mono_mb_emit_ldarg (mb, argnum);
7550 mono_mb_emit_managed_call (mb, get_native_variant_for_object, NULL);
7555 case MARSHAL_ACTION_MANAGED_CONV_RESULT: {
7556 char *msg = g_strdup ("Marshalling of VARIANT not supported as a return type.");
7557 mono_mb_emit_exception_marshal_directive (mb, msg);
7562 g_assert_not_reached ();
7568 #endif /* DISABLE_COM */
7569 #endif /* DISABLE_JIT */
7572 mono_pinvoke_is_unicode (MonoMethodPInvoke *piinfo)
7574 switch (piinfo->piflags & PINVOKE_ATTRIBUTE_CHAR_SET_MASK) {
7575 case PINVOKE_ATTRIBUTE_CHAR_SET_ANSI:
7577 case PINVOKE_ATTRIBUTE_CHAR_SET_UNICODE:
7579 case PINVOKE_ATTRIBUTE_CHAR_SET_AUTO:
7591 emit_marshal_array (EmitMarshalContext *m, int argnum, MonoType *t,
7592 MonoMarshalSpec *spec,
7593 int conv_arg, MonoType **conv_arg_type,
7594 MarshalAction action)
7598 case MARSHAL_ACTION_CONV_IN:
7599 *conv_arg_type = &mono_defaults.object_class->byval_arg;
7601 case MARSHAL_ACTION_MANAGED_CONV_IN:
7602 *conv_arg_type = &mono_defaults.int_class->byval_arg;
7606 MonoMethodBuilder *mb = m->mb;
7607 MonoClass *klass = mono_class_from_mono_type (t);
7608 gboolean need_convert, need_free;
7609 MonoMarshalNative encoding;
7611 encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
7614 case MARSHAL_ACTION_CONV_IN:
7615 *conv_arg_type = &mono_defaults.object_class->byval_arg;
7616 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
7618 if (klass->element_class->blittable) {
7619 mono_mb_emit_ldarg (mb, argnum);
7621 mono_mb_emit_byte (mb, CEE_LDIND_I);
7622 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_ARRAY_LPARRAY));
7623 mono_mb_emit_stloc (mb, conv_arg);
7626 guint32 label1, label2, label3;
7627 int index_var, src_var, dest_ptr, esize;
7628 MonoMarshalConv conv;
7629 gboolean is_string = FALSE;
7631 dest_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7633 eklass = klass->element_class;
7635 if (eklass == mono_defaults.string_class) {
7637 conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
7639 else if (eklass == mono_defaults.stringbuilder_class) {
7641 conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
7646 if (is_string && conv == -1) {
7647 char *msg = g_strdup_printf ("string/stringbuilder marshalling conversion %d not implemented", encoding);
7648 mono_mb_emit_exception_marshal_directive (mb, msg);
7652 src_var = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
7653 mono_mb_emit_ldarg (mb, argnum);
7655 mono_mb_emit_byte (mb, CEE_LDIND_I);
7656 mono_mb_emit_stloc (mb, src_var);
7659 mono_mb_emit_ldloc (mb, src_var);
7660 mono_mb_emit_stloc (mb, conv_arg);
7661 mono_mb_emit_ldloc (mb, src_var);
7662 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
7665 esize = sizeof (gpointer);
7666 else if (eklass == mono_defaults.char_class) /*can't call mono_marshal_type_size since it causes all sorts of asserts*/
7667 esize = mono_pinvoke_is_unicode (m->piinfo) ? 2 : 1;
7669 esize = mono_class_native_size (eklass, NULL);
7671 /* allocate space for the native struct and store the address */
7672 mono_mb_emit_icon (mb, esize);
7673 mono_mb_emit_ldloc (mb, src_var);
7674 mono_mb_emit_byte (mb, CEE_LDLEN);
7676 if (eklass == mono_defaults.string_class) {
7677 /* Make the array bigger for the terminating null */
7678 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
7679 mono_mb_emit_byte (mb, CEE_ADD);
7681 mono_mb_emit_byte (mb, CEE_MUL);
7682 mono_mb_emit_byte (mb, CEE_PREFIX1);
7683 mono_mb_emit_byte (mb, CEE_LOCALLOC);
7684 mono_mb_emit_stloc (mb, conv_arg);
7686 mono_mb_emit_ldloc (mb, conv_arg);
7687 mono_mb_emit_stloc (mb, dest_ptr);
7689 /* Emit marshalling loop */
7690 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7691 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7692 mono_mb_emit_stloc (mb, index_var);
7693 label2 = mono_mb_get_label (mb);
7694 mono_mb_emit_ldloc (mb, index_var);
7695 mono_mb_emit_ldloc (mb, src_var);
7696 mono_mb_emit_byte (mb, CEE_LDLEN);
7697 label3 = mono_mb_emit_branch (mb, CEE_BGE);
7699 /* Emit marshalling code */
7702 mono_mb_emit_ldloc (mb, dest_ptr);
7703 mono_mb_emit_ldloc (mb, src_var);
7704 mono_mb_emit_ldloc (mb, index_var);
7705 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
7706 mono_mb_emit_icall (mb, conv_to_icall (conv));
7707 mono_mb_emit_byte (mb, CEE_STIND_I);
7709 /* set the src_ptr */
7710 mono_mb_emit_ldloc (mb, src_var);
7711 mono_mb_emit_ldloc (mb, index_var);
7712 mono_mb_emit_op (mb, CEE_LDELEMA, eklass);
7713 mono_mb_emit_stloc (mb, 0);
7716 mono_mb_emit_ldloc (mb, dest_ptr);
7717 mono_mb_emit_stloc (mb, 1);
7719 /* emit valuetype conversion code */
7720 emit_struct_conv_full (mb, eklass, FALSE, eklass == mono_defaults.char_class ? encoding : -1);
7723 mono_mb_emit_add_to_local (mb, index_var, 1);
7724 mono_mb_emit_add_to_local (mb, dest_ptr, esize);
7726 mono_mb_emit_branch_label (mb, CEE_BR, label2);
7728 mono_mb_patch_branch (mb, label3);
7730 if (eklass == mono_defaults.string_class) {
7731 /* Null terminate */
7732 mono_mb_emit_ldloc (mb, dest_ptr);
7733 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7734 mono_mb_emit_byte (mb, CEE_STIND_REF);
7737 mono_mb_patch_branch (mb, label1);
7742 case MARSHAL_ACTION_CONV_OUT:
7743 /* Unicode character arrays are implicitly marshalled as [Out] under MS.NET */
7744 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);
7745 need_free = mono_marshal_need_free (&klass->element_class->byval_arg,
7748 if (need_convert || need_free) {
7749 /* FIXME: Optimize blittable case */
7751 guint32 label1, label2, label3;
7752 int index_var, src_ptr, loc, esize;
7754 eklass = klass->element_class;
7755 if ((eklass == mono_defaults.stringbuilder_class) || (eklass == mono_defaults.string_class))
7756 esize = sizeof (gpointer);
7757 else if (eklass == mono_defaults.char_class)
7758 esize = mono_pinvoke_is_unicode (m->piinfo) ? 2 : 1;
7760 esize = mono_class_native_size (eklass, NULL);
7761 src_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7762 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7765 mono_mb_emit_ldarg (mb, argnum);
7767 mono_mb_emit_byte (mb, CEE_LDIND_I);
7768 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
7770 mono_mb_emit_ldloc (mb, conv_arg);
7771 mono_mb_emit_stloc (mb, src_ptr);
7773 /* Emit marshalling loop */
7774 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7775 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7776 mono_mb_emit_stloc (mb, index_var);
7777 label2 = mono_mb_get_label (mb);
7778 mono_mb_emit_ldloc (mb, index_var);
7779 mono_mb_emit_ldarg (mb, argnum);
7781 mono_mb_emit_byte (mb, CEE_LDIND_REF);
7782 mono_mb_emit_byte (mb, CEE_LDLEN);
7783 label3 = mono_mb_emit_branch (mb, CEE_BGE);
7785 /* Emit marshalling code */
7787 if (eklass == mono_defaults.stringbuilder_class) {
7788 gboolean need_free2;
7789 MonoMarshalConv conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free2);
7791 g_assert (conv != -1);
7794 mono_mb_emit_ldarg (mb, argnum);
7796 mono_mb_emit_byte (mb, CEE_LDIND_I);
7797 mono_mb_emit_ldloc (mb, index_var);
7798 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
7801 mono_mb_emit_ldloc (mb, src_ptr);
7802 mono_mb_emit_byte (mb, CEE_LDIND_I);
7804 mono_mb_emit_icall (mb, conv_to_icall (conv));
7808 mono_mb_emit_ldloc (mb, src_ptr);
7809 mono_mb_emit_byte (mb, CEE_LDIND_I);
7811 mono_mb_emit_icall (mb, mono_marshal_free);
7814 else if (eklass == mono_defaults.string_class) {
7817 mono_mb_emit_ldloc (mb, src_ptr);
7818 mono_mb_emit_byte (mb, CEE_LDIND_I);
7820 mono_mb_emit_icall (mb, mono_marshal_free);
7825 /* set the src_ptr */
7826 mono_mb_emit_ldloc (mb, src_ptr);
7827 mono_mb_emit_stloc (mb, 0);
7830 mono_mb_emit_ldarg (mb, argnum);
7832 mono_mb_emit_byte (mb, CEE_LDIND_REF);
7833 mono_mb_emit_ldloc (mb, index_var);
7834 mono_mb_emit_op (mb, CEE_LDELEMA, eklass);
7835 mono_mb_emit_stloc (mb, 1);
7837 /* emit valuetype conversion code */
7838 emit_struct_conv_full (mb, eklass, TRUE, eklass == mono_defaults.char_class ? encoding : -1);
7842 mono_mb_emit_ldloc (mb, src_ptr);
7843 mono_mb_emit_stloc (mb, loc);
7844 mono_mb_emit_ldloc (mb, loc);
7846 emit_struct_free (mb, eklass, loc);
7850 mono_mb_emit_add_to_local (mb, index_var, 1);
7851 mono_mb_emit_add_to_local (mb, src_ptr, esize);
7853 mono_mb_emit_branch_label (mb, CEE_BR, label2);
7855 mono_mb_patch_branch (mb, label1);
7856 mono_mb_patch_branch (mb, label3);
7859 if (klass->element_class->blittable) {
7860 /* free memory allocated (if any) by MONO_MARSHAL_CONV_ARRAY_LPARRAY */
7862 mono_mb_emit_ldarg (mb, argnum);
7863 mono_mb_emit_ldloc (mb, conv_arg);
7864 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_FREE_LPARRAY));
7869 case MARSHAL_ACTION_PUSH:
7871 mono_mb_emit_ldloc_addr (mb, conv_arg);
7873 mono_mb_emit_ldloc (mb, conv_arg);
7876 case MARSHAL_ACTION_CONV_RESULT:
7877 /* fixme: we need conversions here */
7878 mono_mb_emit_stloc (mb, 3);
7881 case MARSHAL_ACTION_MANAGED_CONV_IN: {
7883 guint32 label1, label2, label3;
7884 int index_var, src_ptr, loc, esize, param_num, num_elem;
7885 MonoMarshalConv conv;
7886 gboolean is_string = FALSE;
7888 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
7889 *conv_arg_type = &mono_defaults.int_class->byval_arg;
7892 char *msg = g_strdup ("Byref array marshalling to managed code is not implemented.");
7893 mono_mb_emit_exception_marshal_directive (mb, msg);
7897 char *msg = g_strdup ("[MarshalAs] attribute required to marshal arrays to managed code.");
7898 mono_mb_emit_exception_marshal_directive (mb, msg);
7901 if (spec->native != MONO_NATIVE_LPARRAY) {
7902 char *msg = g_strdup ("Non LPArray marshalling of arrays to managed code is not implemented.");
7903 mono_mb_emit_exception_marshal_directive (mb, msg);
7907 /* FIXME: t is from the method which is wrapped, not the delegate type */
7908 /* g_assert (t->attrs & PARAM_ATTRIBUTE_IN); */
7910 param_num = spec->data.array_data.param_num;
7911 num_elem = spec->data.array_data.num_elem;
7912 if (spec->data.array_data.elem_mult == 0)
7913 /* param_num is not specified */
7916 if (param_num == -1) {
7917 if (num_elem <= 0) {
7918 char *msg = g_strdup ("Either SizeConst or SizeParamIndex should be specified when marshalling arrays to managed code.");
7919 mono_mb_emit_exception_marshal_directive (mb, msg);
7924 /* FIXME: Optimize blittable case */
7926 eklass = klass->element_class;
7927 if (eklass == mono_defaults.string_class) {
7929 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
7931 else if (eklass == mono_defaults.stringbuilder_class) {
7933 conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free);
7938 mono_marshal_load_type_info (eklass);
7941 esize = sizeof (gpointer);
7943 esize = mono_class_native_size (eklass, NULL);
7944 src_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7945 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7947 mono_mb_emit_byte (mb, CEE_LDNULL);
7948 mono_mb_emit_stloc (mb, conv_arg);
7950 /* Check param index */
7951 if (param_num != -1) {
7952 if (param_num >= m->sig->param_count) {
7953 char *msg = g_strdup ("Array size control parameter index is out of range.");
7954 mono_mb_emit_exception_marshal_directive (mb, msg);
7957 switch (m->sig->params [param_num]->type) {
7970 char *msg = g_strdup ("Array size control parameter must be an integral type.");
7971 mono_mb_emit_exception_marshal_directive (mb, msg);
7978 mono_mb_emit_ldarg (mb, argnum);
7979 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
7981 mono_mb_emit_ldarg (mb, argnum);
7982 mono_mb_emit_stloc (mb, src_ptr);
7984 /* Create managed array */
7986 * The LPArray marshalling spec says that sometimes param_num starts
7987 * from 1, sometimes it starts from 0. But MS seems to allways start
7991 if (param_num == -1) {
7992 mono_mb_emit_icon (mb, num_elem);
7994 mono_mb_emit_ldarg (mb, param_num);
7996 mono_mb_emit_icon (mb, num_elem);
7997 mono_mb_emit_byte (mb, CEE_ADD);
7999 mono_mb_emit_byte (mb, CEE_CONV_OVF_I);
8002 mono_mb_emit_op (mb, CEE_NEWARR, eklass);
8003 mono_mb_emit_stloc (mb, conv_arg);
8005 if (eklass->blittable) {
8006 mono_mb_emit_ldloc (mb, conv_arg);
8007 mono_mb_emit_byte (mb, CEE_CONV_I);
8008 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArray, vector));
8009 mono_mb_emit_byte (mb, CEE_ADD);
8010 mono_mb_emit_ldarg (mb, argnum);
8011 mono_mb_emit_ldloc (mb, conv_arg);
8012 mono_mb_emit_byte (mb, CEE_LDLEN);
8013 mono_mb_emit_icon (mb, esize);
8014 mono_mb_emit_byte (mb, CEE_MUL);
8015 mono_mb_emit_byte (mb, CEE_PREFIX1);
8016 mono_mb_emit_byte (mb, CEE_CPBLK);
8020 /* Emit marshalling loop */
8021 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8022 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
8023 mono_mb_emit_stloc (mb, index_var);
8024 label2 = mono_mb_get_label (mb);
8025 mono_mb_emit_ldloc (mb, index_var);
8026 mono_mb_emit_ldloc (mb, conv_arg);
8027 mono_mb_emit_byte (mb, CEE_LDLEN);
8028 label3 = mono_mb_emit_branch (mb, CEE_BGE);
8030 /* Emit marshalling code */
8032 g_assert (conv != -1);
8034 mono_mb_emit_ldloc (mb, conv_arg);
8035 mono_mb_emit_ldloc (mb, index_var);
8037 mono_mb_emit_ldloc (mb, src_ptr);
8038 mono_mb_emit_byte (mb, CEE_LDIND_I);
8040 mono_mb_emit_icall (mb, conv_to_icall (conv));
8041 mono_mb_emit_byte (mb, CEE_STELEM_REF);
8044 char *msg = g_strdup ("Marshalling of non-string and non-blittable arrays to managed code is not implemented.");
8045 mono_mb_emit_exception_marshal_directive (mb, msg);
8049 mono_mb_emit_add_to_local (mb, index_var, 1);
8050 mono_mb_emit_add_to_local (mb, src_ptr, esize);
8052 mono_mb_emit_branch_label (mb, CEE_BR, label2);
8054 mono_mb_patch_branch (mb, label1);
8055 mono_mb_patch_branch (mb, label3);
8059 case MARSHAL_ACTION_MANAGED_CONV_OUT: {
8061 guint32 label1, label2, label3;
8062 int index_var, dest_ptr, loc, esize, param_num, num_elem;
8063 MonoMarshalConv conv;
8064 gboolean is_string = FALSE;
8067 /* Already handled in CONV_IN */
8070 /* These are already checked in CONV_IN */
8071 g_assert (!t->byref);
8072 g_assert (spec->native == MONO_NATIVE_LPARRAY);
8073 g_assert (t->attrs & PARAM_ATTRIBUTE_OUT);
8075 param_num = spec->data.array_data.param_num;
8076 num_elem = spec->data.array_data.num_elem;
8078 if (spec->data.array_data.elem_mult == 0)
8079 /* param_num is not specified */
8082 if (param_num == -1) {
8083 if (num_elem <= 0) {
8084 g_assert_not_reached ();
8088 /* FIXME: Optimize blittable case */
8090 eklass = klass->element_class;
8091 if (eklass == mono_defaults.string_class) {
8093 conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
8095 else if (eklass == mono_defaults.stringbuilder_class) {
8097 conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
8102 mono_marshal_load_type_info (eklass);
8105 esize = sizeof (gpointer);
8107 esize = mono_class_native_size (eklass, NULL);
8109 dest_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8110 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8113 mono_mb_emit_ldloc (mb, conv_arg);
8114 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
8116 mono_mb_emit_ldarg (mb, argnum);
8117 mono_mb_emit_stloc (mb, dest_ptr);
8119 if (eklass->blittable) {
8121 mono_mb_emit_ldarg (mb, argnum);
8123 mono_mb_emit_ldloc (mb, conv_arg);
8124 mono_mb_emit_byte (mb, CEE_CONV_I);
8125 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArray, vector));
8126 mono_mb_emit_byte (mb, CEE_ADD);
8128 mono_mb_emit_ldloc (mb, conv_arg);
8129 mono_mb_emit_byte (mb, CEE_LDLEN);
8130 mono_mb_emit_icon (mb, esize);
8131 mono_mb_emit_byte (mb, CEE_MUL);
8132 mono_mb_emit_byte (mb, CEE_PREFIX1);
8133 mono_mb_emit_byte (mb, CEE_CPBLK);
8137 /* Emit marshalling loop */
8138 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8139 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
8140 mono_mb_emit_stloc (mb, index_var);
8141 label2 = mono_mb_get_label (mb);
8142 mono_mb_emit_ldloc (mb, index_var);
8143 mono_mb_emit_ldloc (mb, conv_arg);
8144 mono_mb_emit_byte (mb, CEE_LDLEN);
8145 label3 = mono_mb_emit_branch (mb, CEE_BGE);
8147 /* Emit marshalling code */
8149 g_assert (conv != -1);
8152 mono_mb_emit_ldloc (mb, dest_ptr);
8155 mono_mb_emit_ldloc (mb, conv_arg);
8156 mono_mb_emit_ldloc (mb, index_var);
8158 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
8160 mono_mb_emit_icall (mb, conv_to_icall (conv));
8161 mono_mb_emit_byte (mb, CEE_STIND_I);
8164 char *msg = g_strdup ("Marshalling of non-string and non-blittable arrays to managed code is not implemented.");
8165 mono_mb_emit_exception_marshal_directive (mb, msg);
8169 mono_mb_emit_add_to_local (mb, index_var, 1);
8170 mono_mb_emit_add_to_local (mb, dest_ptr, esize);
8172 mono_mb_emit_branch_label (mb, CEE_BR, label2);
8174 mono_mb_patch_branch (mb, label1);
8175 mono_mb_patch_branch (mb, label3);
8179 case MARSHAL_ACTION_MANAGED_CONV_RESULT: {
8181 guint32 label1, label2, label3;
8182 int index_var, src, dest, esize;
8183 MonoMarshalConv conv = -1;
8184 gboolean is_string = FALSE;
8186 g_assert (!t->byref);
8188 eklass = klass->element_class;
8190 mono_marshal_load_type_info (eklass);
8192 if (eklass == mono_defaults.string_class) {
8194 conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
8197 g_assert_not_reached ();
8201 esize = sizeof (gpointer);
8202 else if (eklass == mono_defaults.char_class)
8203 esize = mono_pinvoke_is_unicode (m->piinfo) ? 2 : 1;
8205 esize = mono_class_native_size (eklass, NULL);
8207 src = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
8208 dest = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8210 mono_mb_emit_stloc (mb, src);
8211 mono_mb_emit_ldloc (mb, src);
8212 mono_mb_emit_stloc (mb, 3);
8214 /* Check for null */
8215 mono_mb_emit_ldloc (mb, src);
8216 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
8218 /* Allocate native array */
8219 mono_mb_emit_icon (mb, esize);
8220 mono_mb_emit_ldloc (mb, src);
8221 mono_mb_emit_byte (mb, CEE_LDLEN);
8223 if (eklass == mono_defaults.string_class) {
8224 /* Make the array bigger for the terminating null */
8225 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
8226 mono_mb_emit_byte (mb, CEE_ADD);
8228 mono_mb_emit_byte (mb, CEE_MUL);
8229 mono_mb_emit_icall (mb, mono_marshal_alloc);
8230 mono_mb_emit_stloc (mb, dest);
8231 mono_mb_emit_ldloc (mb, dest);
8232 mono_mb_emit_stloc (mb, 3);
8234 /* Emit marshalling loop */
8235 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8236 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
8237 mono_mb_emit_stloc (mb, index_var);
8238 label2 = mono_mb_get_label (mb);
8239 mono_mb_emit_ldloc (mb, index_var);
8240 mono_mb_emit_ldloc (mb, src);
8241 mono_mb_emit_byte (mb, CEE_LDLEN);
8242 label3 = mono_mb_emit_branch (mb, CEE_BGE);
8244 /* Emit marshalling code */
8246 g_assert (conv != -1);
8249 mono_mb_emit_ldloc (mb, dest);
8252 mono_mb_emit_ldloc (mb, src);
8253 mono_mb_emit_ldloc (mb, index_var);
8255 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
8257 mono_mb_emit_icall (mb, conv_to_icall (conv));
8258 mono_mb_emit_byte (mb, CEE_STIND_I);
8261 char *msg = g_strdup ("Marshalling of non-string arrays to managed code is not implemented.");
8262 mono_mb_emit_exception_marshal_directive (mb, msg);
8266 mono_mb_emit_add_to_local (mb, index_var, 1);
8267 mono_mb_emit_add_to_local (mb, dest, esize);
8269 mono_mb_emit_branch_label (mb, CEE_BR, label2);
8271 mono_mb_patch_branch (mb, label3);
8272 mono_mb_patch_branch (mb, label1);
8276 g_assert_not_reached ();
8283 marshal_boolean_conv_in_get_local_type (MonoMarshalSpec *spec, guint8 *ldc_op /*out*/)
8286 return &mono_defaults.int32_class->byval_arg;
8288 switch (spec->native) {
8289 case MONO_NATIVE_I1:
8290 case MONO_NATIVE_U1:
8291 return &mono_defaults.byte_class->byval_arg;
8292 case MONO_NATIVE_VARIANTBOOL:
8293 if (ldc_op) *ldc_op = CEE_LDC_I4_M1;
8294 return &mono_defaults.int16_class->byval_arg;
8295 case MONO_NATIVE_BOOLEAN:
8296 return &mono_defaults.int32_class->byval_arg;
8298 g_warning ("marshalling bool as native type %x is currently not supported", spec->native);
8299 return &mono_defaults.int32_class->byval_arg;
8305 marshal_boolean_managed_conv_in_get_conv_arg_class (MonoMarshalSpec *spec, guint8 *ldop/*out*/)
8307 MonoClass* conv_arg_class = mono_defaults.int32_class;
8309 switch (spec->native) {
8310 case MONO_NATIVE_I1:
8311 case MONO_NATIVE_U1:
8312 conv_arg_class = mono_defaults.byte_class;
8313 if (ldop) *ldop = CEE_LDIND_I1;
8315 case MONO_NATIVE_VARIANTBOOL:
8316 conv_arg_class = mono_defaults.int16_class;
8317 if (ldop) *ldop = CEE_LDIND_I2;
8319 case MONO_NATIVE_BOOLEAN:
8322 g_warning ("marshalling bool as native type %x is currently not supported", spec->native);
8325 return conv_arg_class;
8329 emit_marshal_boolean (EmitMarshalContext *m, int argnum, MonoType *t,
8330 MonoMarshalSpec *spec,
8331 int conv_arg, MonoType **conv_arg_type,
8332 MarshalAction action)
8336 case MARSHAL_ACTION_CONV_IN:
8338 *conv_arg_type = &mono_defaults.int_class->byval_arg;
8340 *conv_arg_type = marshal_boolean_conv_in_get_local_type (spec, NULL);
8343 case MARSHAL_ACTION_MANAGED_CONV_IN: {
8344 MonoClass* conv_arg_class = marshal_boolean_managed_conv_in_get_conv_arg_class (spec, NULL);
8346 *conv_arg_type = &conv_arg_class->this_arg;
8348 *conv_arg_type = &conv_arg_class->byval_arg;
8354 MonoMethodBuilder *mb = m->mb;
8357 case MARSHAL_ACTION_CONV_IN: {
8358 MonoType *local_type;
8360 guint8 ldc_op = CEE_LDC_I4_1;
8362 local_type = marshal_boolean_conv_in_get_local_type (spec, &ldc_op);
8364 *conv_arg_type = &mono_defaults.int_class->byval_arg;
8366 *conv_arg_type = local_type;
8367 conv_arg = mono_mb_add_local (mb, local_type);
8369 mono_mb_emit_ldarg (mb, argnum);
8371 mono_mb_emit_byte (mb, CEE_LDIND_I1);
8372 label_false = mono_mb_emit_branch (mb, CEE_BRFALSE);
8373 mono_mb_emit_byte (mb, ldc_op);
8374 mono_mb_emit_stloc (mb, conv_arg);
8375 mono_mb_patch_branch (mb, label_false);
8380 case MARSHAL_ACTION_CONV_OUT:
8382 int label_false, label_end;
8386 mono_mb_emit_ldarg (mb, argnum);
8387 mono_mb_emit_ldloc (mb, conv_arg);
8389 label_false = mono_mb_emit_branch (mb, CEE_BRFALSE);
8390 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
8392 label_end = mono_mb_emit_branch (mb, CEE_BR);
8393 mono_mb_patch_branch (mb, label_false);
8394 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
8395 mono_mb_patch_branch (mb, label_end);
8397 mono_mb_emit_byte (mb, CEE_STIND_I1);
8401 case MARSHAL_ACTION_PUSH:
8403 mono_mb_emit_ldloc_addr (mb, conv_arg);
8405 mono_mb_emit_ldloc (mb, conv_arg);
8407 mono_mb_emit_ldarg (mb, argnum);
8410 case MARSHAL_ACTION_CONV_RESULT:
8411 /* maybe we need to make sure that it fits within 8 bits */
8412 mono_mb_emit_stloc (mb, 3);
8415 case MARSHAL_ACTION_MANAGED_CONV_IN: {
8416 MonoClass* conv_arg_class = mono_defaults.int32_class;
8417 guint8 ldop = CEE_LDIND_I4;
8418 int label_null, label_false;
8420 conv_arg_class = marshal_boolean_managed_conv_in_get_conv_arg_class (spec, &ldop);
8421 conv_arg = mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
8424 *conv_arg_type = &conv_arg_class->this_arg;
8426 *conv_arg_type = &conv_arg_class->byval_arg;
8429 mono_mb_emit_ldarg (mb, argnum);
8433 label_null = mono_mb_emit_branch (mb, CEE_BRFALSE);
8434 mono_mb_emit_ldarg (mb, argnum);
8435 mono_mb_emit_byte (mb, ldop);
8439 label_false = mono_mb_emit_branch (mb, CEE_BRFALSE);
8440 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
8441 mono_mb_emit_stloc (mb, conv_arg);
8442 mono_mb_patch_branch (mb, label_false);
8445 mono_mb_patch_branch (mb, label_null);
8449 case MARSHAL_ACTION_MANAGED_CONV_OUT: {
8450 guint8 stop = CEE_STIND_I4;
8451 guint8 ldc_op = CEE_LDC_I4_1;
8452 int label_null,label_false, label_end;;
8457 switch (spec->native) {
8458 case MONO_NATIVE_I1:
8459 case MONO_NATIVE_U1:
8460 stop = CEE_STIND_I1;
8462 case MONO_NATIVE_VARIANTBOOL:
8463 stop = CEE_STIND_I2;
8464 ldc_op = CEE_LDC_I4_M1;
8472 mono_mb_emit_ldarg (mb, argnum);
8473 label_null = mono_mb_emit_branch (mb, CEE_BRFALSE);
8475 mono_mb_emit_ldarg (mb, argnum);
8476 mono_mb_emit_ldloc (mb, conv_arg);
8478 label_false = mono_mb_emit_branch (mb, CEE_BRFALSE);
8479 mono_mb_emit_byte (mb, ldc_op);
8480 label_end = mono_mb_emit_branch (mb, CEE_BR);
8482 mono_mb_patch_branch (mb, label_false);
8483 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
8484 mono_mb_patch_branch (mb, label_end);
8486 mono_mb_emit_byte (mb, stop);
8487 mono_mb_patch_branch (mb, label_null);
8492 g_assert_not_reached ();
8499 emit_marshal_ptr (EmitMarshalContext *m, int argnum, MonoType *t,
8500 MonoMarshalSpec *spec, int conv_arg,
8501 MonoType **conv_arg_type, MarshalAction action)
8504 MonoMethodBuilder *mb = m->mb;
8507 case MARSHAL_ACTION_CONV_IN:
8508 /* MS seems to allow this in some cases, ie. bxc #158 */
8510 if (MONO_TYPE_ISSTRUCT (t->data.type) && !mono_class_from_mono_type (t->data.type)->blittable) {
8511 char *msg = g_strdup_printf ("Can not marshal 'parameter #%d': Pointers can not reference marshaled structures. Use byref instead.", argnum + 1);
8512 mono_mb_emit_exception_marshal_directive (m->mb, msg);
8517 case MARSHAL_ACTION_PUSH:
8518 mono_mb_emit_ldarg (mb, argnum);
8521 case MARSHAL_ACTION_CONV_RESULT:
8522 /* no conversions necessary */
8523 mono_mb_emit_stloc (mb, 3);
8534 emit_marshal_char (EmitMarshalContext *m, int argnum, MonoType *t,
8535 MonoMarshalSpec *spec, int conv_arg,
8536 MonoType **conv_arg_type, MarshalAction action)
8539 MonoMethodBuilder *mb = m->mb;
8542 case MARSHAL_ACTION_PUSH:
8543 /* fixme: dont know how to marshal that. We cant simply
8544 * convert it to a one byte UTF8 character, because an
8545 * unicode character may need more that one byte in UTF8 */
8546 mono_mb_emit_ldarg (mb, argnum);
8549 case MARSHAL_ACTION_CONV_RESULT:
8550 /* fixme: we need conversions here */
8551 mono_mb_emit_stloc (mb, 3);
8562 emit_marshal_scalar (EmitMarshalContext *m, int argnum, MonoType *t,
8563 MonoMarshalSpec *spec, int conv_arg,
8564 MonoType **conv_arg_type, MarshalAction action)
8567 MonoMethodBuilder *mb = m->mb;
8570 case MARSHAL_ACTION_PUSH:
8571 mono_mb_emit_ldarg (mb, argnum);
8574 case MARSHAL_ACTION_CONV_RESULT:
8575 /* no conversions necessary */
8576 mono_mb_emit_stloc (mb, 3);
8587 emit_marshal (EmitMarshalContext *m, int argnum, MonoType *t,
8588 MonoMarshalSpec *spec, int conv_arg,
8589 MonoType **conv_arg_type, MarshalAction action)
8591 /* Ensure that we have marshalling info for this param */
8592 mono_marshal_load_type_info (mono_class_from_mono_type (t));
8594 if (spec && spec->native == MONO_NATIVE_CUSTOM)
8595 return emit_marshal_custom (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8597 if (spec && spec->native == MONO_NATIVE_ASANY)
8598 return emit_marshal_asany (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8601 case MONO_TYPE_VALUETYPE:
8602 if (t->data.klass == mono_defaults.handleref_class)
8603 return emit_marshal_handleref (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8605 return emit_marshal_vtype (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8606 case MONO_TYPE_STRING:
8607 return emit_marshal_string (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8608 case MONO_TYPE_CLASS:
8609 case MONO_TYPE_OBJECT:
8611 if (spec && spec->native == MONO_NATIVE_STRUCT)
8612 return emit_marshal_variant (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8614 if (spec && (spec->native == MONO_NATIVE_IUNKNOWN ||
8615 spec->native == MONO_NATIVE_IDISPATCH ||
8616 spec->native == MONO_NATIVE_INTERFACE))
8617 return mono_cominterop_emit_marshal_com_interface (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8618 if (spec && (spec->native == MONO_NATIVE_SAFEARRAY) &&
8619 (spec->data.safearray_data.elem_type == MONO_VARIANT_VARIANT) &&
8620 ((action == MARSHAL_ACTION_CONV_OUT) || (action == MARSHAL_ACTION_CONV_IN) || (action == MARSHAL_ACTION_PUSH)))
8621 return mono_cominterop_emit_marshal_safearray (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8624 if (mono_defaults.safehandle_class != NULL && t->data.klass &&
8625 mono_class_is_subclass_of (t->data.klass, mono_defaults.safehandle_class, FALSE))
8626 return emit_marshal_safehandle (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8628 return emit_marshal_object (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8629 case MONO_TYPE_ARRAY:
8630 case MONO_TYPE_SZARRAY:
8631 return emit_marshal_array (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8632 case MONO_TYPE_BOOLEAN:
8633 return emit_marshal_boolean (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8635 return emit_marshal_ptr (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8636 case MONO_TYPE_CHAR:
8637 return emit_marshal_char (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8650 case MONO_TYPE_FNPTR:
8651 return emit_marshal_scalar (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8652 case MONO_TYPE_GENERICINST:
8653 if (mono_type_generic_inst_is_valuetype (t))
8654 return emit_marshal_vtype (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8656 return emit_marshal_object (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8663 * mono_marshal_emit_native_wrapper:
8664 * @image: the image to use for looking up custom marshallers
8665 * @sig: The signature of the native function
8666 * @piinfo: Marshalling information
8667 * @mspecs: Marshalling information
8668 * @aot: whenever the created method will be compiled by the AOT compiler
8669 * @method: if non-NULL, the pinvoke method to call
8670 * @check_exceptions: Whenever to check for pending exceptions after the native call
8671 * @func_param: the function to call is passed as a boxed IntPtr as the first parameter
8673 * generates IL code for the pinvoke wrapper, the generated code calls @func.
8676 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)
8678 EmitMarshalContext m;
8679 MonoMethodSignature *csig;
8681 int i, argnum, *tmp_locals;
8682 int type, param_shift = 0;
8683 static MonoMethodSignature *get_last_error_sig = NULL;
8688 /* we copy the signature, so that we can set pinvoke to 0 */
8690 /* The function address is passed as the first argument */
8691 g_assert (!sig->hasthis);
8694 csig = signature_dup (mb->method->klass->image, sig);
8702 /* we allocate local for use with emit_struct_conv() */
8703 /* allocate local 0 (pointer) src_ptr */
8704 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8705 /* allocate local 1 (pointer) dst_ptr */
8706 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8707 /* allocate local 2 (boolean) delete_old */
8708 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
8710 /* delete_old = FALSE */
8711 mono_mb_emit_icon (mb, 0);
8712 mono_mb_emit_stloc (mb, 2);
8714 if (!MONO_TYPE_IS_VOID(sig->ret)) {
8715 /* allocate local 3 to store the return value */
8716 mono_mb_add_local (mb, sig->ret);
8719 if (mspecs [0] && mspecs [0]->native == MONO_NATIVE_CUSTOM) {
8720 /* Return type custom marshaling */
8722 * Since we can't determine the return type of the unmanaged function,
8723 * we assume it returns a pointer, and pass that pointer to
8724 * MarshalNativeToManaged.
8726 csig->ret = &mono_defaults.int_class->byval_arg;
8729 /* we first do all conversions */
8730 tmp_locals = alloca (sizeof (int) * sig->param_count);
8731 m.orig_conv_args = alloca (sizeof (int) * (sig->param_count + 1));
8733 for (i = 0; i < sig->param_count; i ++) {
8734 tmp_locals [i] = emit_marshal (&m, i + param_shift, sig->params [i], mspecs [i + 1], 0, &csig->params [i], MARSHAL_ACTION_CONV_IN);
8737 /* push all arguments */
8740 mono_mb_emit_byte (mb, CEE_LDARG_0);
8742 for (i = 0; i < sig->param_count; i++) {
8743 emit_marshal (&m, i + param_shift, sig->params [i], mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_PUSH);
8746 /* call the native method */
8748 mono_mb_emit_byte (mb, CEE_LDARG_0);
8749 mono_mb_emit_op (mb, CEE_UNBOX, mono_defaults.int_class);
8750 mono_mb_emit_byte (mb, CEE_LDIND_I);
8751 mono_mb_emit_calli (mb, csig);
8752 } else if (MONO_CLASS_IS_IMPORT (mb->method->klass)) {
8754 mono_mb_emit_cominterop_call (mb, csig, &piinfo->method);
8756 g_assert_not_reached ();
8761 /* Reuse the ICALL_ADDR opcode for pinvokes too */
8762 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
8763 mono_mb_emit_op (mb, CEE_MONO_ICALL_ADDR, &piinfo->method);
8764 mono_mb_emit_calli (mb, csig);
8766 mono_mb_emit_native_call (mb, csig, func);
8770 /* Set LastError if needed */
8771 if (piinfo->piflags & PINVOKE_ATTRIBUTE_SUPPORTS_LAST_ERROR) {
8772 if (!get_last_error_sig) {
8773 get_last_error_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
8774 get_last_error_sig->ret = &mono_defaults.int_class->byval_arg;
8775 get_last_error_sig->pinvoke = 1;
8780 * Have to call GetLastError () early and without a wrapper, since various runtime components could
8781 * clobber its value.
8783 mono_mb_emit_native_call (mb, get_last_error_sig, GetLastError);
8784 mono_mb_emit_icall (mb, mono_marshal_set_last_error_windows);
8786 mono_mb_emit_icall (mb, mono_marshal_set_last_error);
8790 /* convert the result */
8791 if (!sig->ret->byref) {
8792 MonoMarshalSpec *spec = mspecs [0];
8793 type = sig->ret->type;
8795 if (spec && spec->native == MONO_NATIVE_CUSTOM) {
8796 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
8801 case MONO_TYPE_VOID:
8803 case MONO_TYPE_VALUETYPE:
8804 klass = sig->ret->data.klass;
8805 if (klass->enumtype) {
8806 type = mono_class_enum_basetype (sig->ret->data.klass)->type;
8809 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
8823 case MONO_TYPE_FNPTR:
8824 case MONO_TYPE_STRING:
8825 case MONO_TYPE_CLASS:
8826 case MONO_TYPE_OBJECT:
8827 case MONO_TYPE_BOOLEAN:
8828 case MONO_TYPE_ARRAY:
8829 case MONO_TYPE_SZARRAY:
8830 case MONO_TYPE_CHAR:
8832 case MONO_TYPE_GENERICINST:
8833 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
8835 case MONO_TYPE_TYPEDBYREF:
8837 g_warning ("return type 0x%02x unknown", sig->ret->type);
8838 g_assert_not_reached ();
8842 mono_mb_emit_stloc (mb, 3);
8846 * Need to call this after converting the result since MONO_VTADDR needs
8847 * to be adjacent to the call instruction.
8849 if (check_exceptions)
8850 emit_thread_interrupt_checkpoint (mb);
8852 /* we need to convert byref arguments back and free string arrays */
8853 for (i = 0; i < sig->param_count; i++) {
8854 MonoType *t = sig->params [i];
8855 MonoMarshalSpec *spec = mspecs [i + 1];
8857 argnum = i + param_shift;
8859 if (spec && ((spec->native == MONO_NATIVE_CUSTOM) || (spec->native == MONO_NATIVE_ASANY))) {
8860 emit_marshal (&m, argnum, t, spec, tmp_locals [i], NULL, MARSHAL_ACTION_CONV_OUT);
8865 case MONO_TYPE_STRING:
8866 case MONO_TYPE_VALUETYPE:
8867 case MONO_TYPE_CLASS:
8868 case MONO_TYPE_OBJECT:
8869 case MONO_TYPE_SZARRAY:
8870 case MONO_TYPE_BOOLEAN:
8871 emit_marshal (&m, argnum, t, spec, tmp_locals [i], NULL, MARSHAL_ACTION_CONV_OUT);
8876 if (!MONO_TYPE_IS_VOID(sig->ret))
8877 mono_mb_emit_ldloc (mb, 3);
8879 mono_mb_emit_byte (mb, CEE_RET);
8881 #endif /* DISABLE_JIT */
8884 G_GNUC_UNUSED static void
8885 code_for (MonoMethod *method) {
8886 MonoMethodHeader *header = mono_method_get_header (method);
8887 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));
8891 * mono_marshal_get_native_wrapper:
8892 * @method: The MonoMethod to wrap.
8893 * @check_exceptions: Whenever to check for pending exceptions
8895 * generates IL code for the pinvoke wrapper (the generated method
8896 * calls the unmanaged code in piinfo->addr)
8897 * The wrapper info for the wrapper is a WrapperInfo structure.
8900 mono_marshal_get_native_wrapper (MonoMethod *method, gboolean check_exceptions, gboolean aot)
8902 MonoMethodSignature *sig, *csig;
8903 MonoMethodPInvoke *piinfo = (MonoMethodPInvoke *) method;
8904 MonoMethodBuilder *mb;
8905 MonoMarshalSpec **mspecs;
8908 gboolean pinvoke = FALSE;
8911 const char *exc_class = "MissingMethodException";
8912 const char *exc_arg = NULL;
8915 g_assert (method != NULL);
8916 g_assert (mono_method_signature (method)->pinvoke);
8919 cache = get_cache (&method->klass->image->native_wrapper_aot_cache, mono_aligned_addr_hash, NULL);
8921 cache = get_cache (&method->klass->image->native_wrapper_cache, mono_aligned_addr_hash, NULL);
8922 if ((res = mono_marshal_find_in_cache (cache, method)))
8925 if (MONO_CLASS_IS_IMPORT (method->klass)) {
8927 return mono_cominterop_get_native_wrapper (method);
8929 g_assert_not_reached ();
8933 sig = mono_method_signature (method);
8935 if (!(method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
8936 (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL))
8939 if (!piinfo->addr) {
8941 if (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)
8942 exc_arg = "Method contains unsupported native code";
8944 mono_lookup_pinvoke_call (method, &exc_class, &exc_arg);
8946 piinfo->addr = mono_lookup_internal_call (method);
8950 /* hack - redirect certain string constructors to CreateString */
8951 if (piinfo->addr == ves_icall_System_String_ctor_RedirectToCreateString) {
8952 g_assert (!pinvoke);
8953 g_assert (method->string_ctor);
8954 g_assert (sig->hasthis);
8956 /* CreateString returns a value */
8957 csig = signature_dup (method->klass->image, sig);
8958 csig->ret = &mono_defaults.string_class->byval_arg;
8962 while ((res = mono_class_get_methods (mono_defaults.string_class, &iter))) {
8963 if (!strcmp ("CreateString", res->name) &&
8964 mono_metadata_signature_equal (csig, mono_method_signature (res))) {
8967 g_assert (!(res->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL));
8968 g_assert (!(res->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL));
8970 /* create a wrapper to preserve .ctor in stack trace */
8971 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_MANAGED_TO_MANAGED);
8974 mono_mb_emit_byte (mb, CEE_LDARG_0);
8975 for (i = 1; i <= csig->param_count; i++)
8976 mono_mb_emit_ldarg (mb, i);
8977 mono_mb_emit_managed_call (mb, res, NULL);
8978 mono_mb_emit_byte (mb, CEE_RET);
8981 /* use native_wrapper_cache because internal calls are looked up there */
8982 res = mono_mb_create_and_cache (cache, method,
8983 mb, csig, csig->param_count + 1);
8987 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_STRING_CTOR);
8988 info->d.string_ctor.method = method;
8990 mono_marshal_set_wrapper_info (res, info);
8996 /* exception will be thrown */
8997 piinfo->addr = NULL;
8998 g_warning ("cannot find CreateString for .ctor");
9001 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_MANAGED_TO_NATIVE);
9003 mb->method->save_lmf = 1;
9006 * In AOT mode and embedding scenarios, it is possible that the icall is not
9007 * registered in the runtime doing the AOT compilation.
9009 if (!piinfo->addr && !aot) {
9011 mono_mb_emit_exception (mb, exc_class, exc_arg);
9013 csig = signature_dup (method->klass->image, sig);
9015 res = mono_mb_create_and_cache (cache, method,
9016 mb, csig, csig->param_count + 16);
9019 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_NONE);
9020 info->d.managed_to_native.method = method;
9021 mono_marshal_set_wrapper_info (res, info);
9026 /* internal calls: we simply push all arguments and call the method (no conversions) */
9027 if (method->iflags & (METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL | METHOD_IMPL_ATTRIBUTE_RUNTIME)) {
9029 csig = signature_dup_add_this (method->klass->image, sig, method->klass);
9031 csig = signature_dup (method->klass->image, sig);
9033 /* hack - string constructors returns a value */
9034 if (method->string_ctor)
9035 csig->ret = &mono_defaults.string_class->byval_arg;
9042 * Add a null check since public icalls can be called with 'call' which
9043 * does no such check.
9045 mono_mb_emit_byte (mb, CEE_LDARG_0);
9046 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
9047 mono_mb_emit_exception (mb, "NullReferenceException", NULL);
9048 mono_mb_patch_branch (mb, pos);
9050 mono_mb_emit_byte (mb, CEE_LDARG_0);
9053 for (i = 0; i < sig->param_count; i++)
9054 mono_mb_emit_ldarg (mb, i + sig->hasthis);
9057 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
9058 mono_mb_emit_op (mb, CEE_MONO_ICALL_ADDR, &piinfo->method);
9059 mono_mb_emit_calli (mb, csig);
9061 g_assert (piinfo->addr);
9062 mono_mb_emit_native_call (mb, csig, piinfo->addr);
9064 if (check_exceptions)
9065 emit_thread_interrupt_checkpoint (mb);
9066 mono_mb_emit_byte (mb, CEE_RET);
9069 csig = signature_dup (method->klass->image, csig);
9071 res = mono_mb_create_and_cache (cache, method,
9072 mb, csig, csig->param_count + 16);
9074 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_NONE);
9075 info->d.managed_to_native.method = method;
9076 mono_marshal_set_wrapper_info (res, info);
9084 g_assert (piinfo->addr);
9087 mspecs = g_new (MonoMarshalSpec*, sig->param_count + 1);
9088 mono_method_get_marshal_info (method, mspecs);
9090 mono_marshal_emit_native_wrapper (mb->method->klass->image, mb, sig, piinfo, mspecs, piinfo->addr, aot, check_exceptions, FALSE);
9093 csig = signature_dup (method->klass->image, sig);
9095 res = mono_mb_create_and_cache (cache, method,
9096 mb, csig, csig->param_count + 16);
9099 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_PINVOKE);
9100 info->d.managed_to_native.method = method;
9101 mono_marshal_set_wrapper_info (res, info);
9104 for (i = sig->param_count; i >= 0; i--)
9106 mono_metadata_free_marshal_spec (mspecs [i]);
9110 /* code_for (res); */
9116 * mono_marshal_get_native_func_wrapper:
9117 * @image: The image to use for memory allocation and for looking up custom marshallers.
9118 * @sig: The signature of the function
9119 * @func: The native function to wrap
9121 * Returns a wrapper method around native functions, similar to the pinvoke
9125 mono_marshal_get_native_func_wrapper (MonoImage *image, MonoMethodSignature *sig,
9126 MonoMethodPInvoke *piinfo, MonoMarshalSpec **mspecs, gpointer func)
9128 MonoMethodSignature *csig;
9130 MonoMethodBuilder *mb;
9135 cache = get_cache (&image->native_wrapper_cache, mono_aligned_addr_hash, NULL);
9136 if ((res = mono_marshal_find_in_cache (cache, func)))
9139 name = g_strdup_printf ("wrapper_native_%p", func);
9140 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_MANAGED_TO_NATIVE);
9141 mb->method->save_lmf = 1;
9144 mono_marshal_emit_native_wrapper (image, mb, sig, piinfo, mspecs, func, FALSE, TRUE, FALSE);
9147 csig = signature_dup (image, sig);
9149 res = mono_mb_create_and_cache (cache, func,
9150 mb, csig, csig->param_count + 16);
9153 mono_marshal_set_wrapper_info (res, NULL);
9159 * The wrapper receives the native function as a boxed IntPtr as its 'this' argument. This is easier to support in
9163 mono_marshal_get_native_func_wrapper_aot (MonoClass *klass)
9165 MonoMethodSignature *sig, *csig;
9166 MonoMethodBuilder *mb;
9171 MonoMethodPInvoke mpiinfo;
9172 MonoMethodPInvoke *piinfo = &mpiinfo;
9173 MonoMarshalSpec **mspecs;
9174 MonoMethod *invoke = mono_get_delegate_invoke (klass);
9175 MonoImage *image = invoke->klass->image;
9178 // FIXME: include UnmanagedFunctionPointerAttribute info
9181 * The wrapper is associated with the delegate type, to pick up the marshalling info etc.
9183 cache = get_cache (&image->native_func_wrapper_aot_cache, mono_aligned_addr_hash, NULL);
9184 if ((res = mono_marshal_find_in_cache (cache, invoke)))
9187 memset (&mpiinfo, 0, sizeof (mpiinfo));
9188 parse_unmanaged_function_pointer_attr (klass, &mpiinfo);
9190 mspecs = g_new0 (MonoMarshalSpec*, mono_method_signature (invoke)->param_count + 1);
9191 mono_method_get_marshal_info (invoke, mspecs);
9192 /* Freed below so don't alloc from mempool */
9193 sig = mono_metadata_signature_dup (mono_method_signature (invoke));
9196 name = g_strdup_printf ("wrapper_aot_native");
9197 mb = mono_mb_new (invoke->klass, name, MONO_WRAPPER_MANAGED_TO_NATIVE);
9198 mb->method->save_lmf = 1;
9201 mono_marshal_emit_native_wrapper (image, mb, sig, piinfo, mspecs, NULL, FALSE, TRUE, TRUE);
9204 g_assert (!sig->hasthis);
9205 csig = signature_dup_add_this (image, sig, mono_defaults.int_class);
9207 res = mono_mb_create_and_cache (cache, invoke,
9208 mb, csig, csig->param_count + 16);
9211 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_NATIVE_FUNC_AOT);
9212 info->d.managed_to_native.method = invoke;
9214 mono_marshal_set_wrapper_info (res, info);
9216 for (i = mono_method_signature (invoke)->param_count; i >= 0; i--)
9218 mono_metadata_free_marshal_spec (mspecs [i]);
9226 * mono_marshal_emit_managed_wrapper:
9228 * Emit the body of a native-to-managed wrapper. INVOKE_SIG is the signature of
9229 * the delegate which wraps the managed method to be called. For closed delegates,
9230 * it could have fewer parameters than the method it wraps.
9231 * THIS_LOC is the memory location where the target of the delegate is stored.
9234 mono_marshal_emit_managed_wrapper (MonoMethodBuilder *mb, MonoMethodSignature *invoke_sig, MonoMarshalSpec **mspecs, EmitMarshalContext* m, MonoMethod *method, uint32_t target_handle)
9237 MonoMethodSignature *sig, *csig;
9243 /* we first do all conversions */
9244 for (i = 0; i < sig->param_count; i ++) {
9245 MonoType *t = sig->params [i];
9248 case MONO_TYPE_OBJECT:
9249 case MONO_TYPE_CLASS:
9250 case MONO_TYPE_VALUETYPE:
9251 case MONO_TYPE_ARRAY:
9252 case MONO_TYPE_SZARRAY:
9253 case MONO_TYPE_STRING:
9254 case MONO_TYPE_BOOLEAN:
9255 emit_marshal (m, i, sig->params [i], mspecs [i + 1], 0, &csig->params [i], MARSHAL_ACTION_MANAGED_CONV_IN);
9259 if (!sig->ret->byref) {
9260 switch (sig->ret->type) {
9261 case MONO_TYPE_STRING:
9262 csig->ret = &mono_defaults.int_class->byval_arg;
9269 MonoMethodSignature *sig, *csig;
9271 gboolean closed = FALSE;
9276 /* allocate local 0 (pointer) src_ptr */
9277 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9278 /* allocate local 1 (pointer) dst_ptr */
9279 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9280 /* allocate local 2 (boolean) delete_old */
9281 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
9283 if (!sig->hasthis && sig->param_count != invoke_sig->param_count) {
9284 /* Closed delegate */
9285 g_assert (sig->param_count == invoke_sig->param_count + 1);
9287 /* Use a new signature without the first argument */
9288 sig = mono_metadata_signature_dup (sig);
9289 memmove (&sig->params [0], &sig->params [1], (sig->param_count - 1) * sizeof (MonoType*));
9290 sig->param_count --;
9293 if (!MONO_TYPE_IS_VOID(sig->ret)) {
9294 /* allocate local 3 to store the return value */
9295 mono_mb_add_local (mb, sig->ret);
9298 mono_mb_emit_icon (mb, 0);
9299 mono_mb_emit_stloc (mb, 2);
9302 * Might need to attach the thread to the JIT or change the
9303 * domain for the callback.
9305 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
9306 mono_mb_emit_byte (mb, CEE_MONO_JIT_ATTACH);
9308 /* we first do all conversions */
9309 tmp_locals = alloca (sizeof (int) * sig->param_count);
9310 for (i = 0; i < sig->param_count; i ++) {
9311 MonoType *t = sig->params [i];
9314 case MONO_TYPE_OBJECT:
9315 case MONO_TYPE_CLASS:
9316 case MONO_TYPE_VALUETYPE:
9317 case MONO_TYPE_ARRAY:
9318 case MONO_TYPE_SZARRAY:
9319 case MONO_TYPE_STRING:
9320 case MONO_TYPE_BOOLEAN:
9321 tmp_locals [i] = emit_marshal (m, i, sig->params [i], mspecs [i + 1], 0, &csig->params [i], MARSHAL_ACTION_MANAGED_CONV_IN);
9330 emit_thread_interrupt_checkpoint (mb);
9333 if (target_handle) {
9334 mono_mb_emit_icon (mb, (gint32)target_handle);
9335 mono_mb_emit_icall (mb, mono_gchandle_get_target);
9338 g_assert_not_reached ();
9340 } else if (closed) {
9341 mono_mb_emit_icon (mb, (gint32)target_handle);
9342 mono_mb_emit_icall (mb, mono_gchandle_get_target);
9345 for (i = 0; i < sig->param_count; i++) {
9346 MonoType *t = sig->params [i];
9348 if (tmp_locals [i]) {
9350 mono_mb_emit_ldloc_addr (mb, tmp_locals [i]);
9352 mono_mb_emit_ldloc (mb, tmp_locals [i]);
9355 mono_mb_emit_ldarg (mb, i);
9358 mono_mb_emit_managed_call (mb, method, NULL);
9360 if (mspecs [0] && mspecs [0]->native == MONO_NATIVE_CUSTOM) {
9361 emit_marshal (m, 0, sig->ret, mspecs [0], 0, NULL, MARSHAL_ACTION_MANAGED_CONV_RESULT);
9362 } else if (!sig->ret->byref) {
9363 switch (sig->ret->type) {
9364 case MONO_TYPE_VOID:
9366 case MONO_TYPE_BOOLEAN:
9369 case MONO_TYPE_CHAR:
9381 case MONO_TYPE_OBJECT:
9382 mono_mb_emit_stloc (mb, 3);
9384 case MONO_TYPE_STRING:
9385 csig->ret = &mono_defaults.int_class->byval_arg;
9386 emit_marshal (m, 0, sig->ret, mspecs [0], 0, NULL, MARSHAL_ACTION_MANAGED_CONV_RESULT);
9388 case MONO_TYPE_VALUETYPE:
9389 case MONO_TYPE_CLASS:
9390 case MONO_TYPE_SZARRAY:
9391 emit_marshal (m, 0, sig->ret, mspecs [0], 0, NULL, MARSHAL_ACTION_MANAGED_CONV_RESULT);
9394 g_warning ("return type 0x%02x unknown", sig->ret->type);
9395 g_assert_not_reached ();
9398 mono_mb_emit_stloc (mb, 3);
9401 /* Convert byref arguments back */
9402 for (i = 0; i < sig->param_count; i ++) {
9403 MonoType *t = sig->params [i];
9404 MonoMarshalSpec *spec = mspecs [i + 1];
9406 if (spec && spec->native == MONO_NATIVE_CUSTOM) {
9407 emit_marshal (m, i, t, mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_MANAGED_CONV_OUT);
9409 else if (t->byref) {
9411 case MONO_TYPE_CLASS:
9412 case MONO_TYPE_VALUETYPE:
9413 case MONO_TYPE_OBJECT:
9414 case MONO_TYPE_STRING:
9415 case MONO_TYPE_BOOLEAN:
9416 emit_marshal (m, i, t, mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_MANAGED_CONV_OUT);
9420 else if (invoke_sig->params [i]->attrs & PARAM_ATTRIBUTE_OUT) {
9421 /* The [Out] information is encoded in the delegate signature */
9423 case MONO_TYPE_SZARRAY:
9424 case MONO_TYPE_CLASS:
9425 case MONO_TYPE_VALUETYPE:
9426 emit_marshal (m, i, invoke_sig->params [i], mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_MANAGED_CONV_OUT);
9429 g_assert_not_reached ();
9434 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
9435 mono_mb_emit_byte (mb, CEE_MONO_JIT_DETACH);
9437 if (m->retobj_var) {
9438 mono_mb_emit_ldloc (mb, m->retobj_var);
9439 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
9440 mono_mb_emit_op (mb, CEE_MONO_RETOBJ, m->retobj_class);
9443 if (!MONO_TYPE_IS_VOID(sig->ret))
9444 mono_mb_emit_ldloc (mb, 3);
9445 mono_mb_emit_byte (mb, CEE_RET);
9454 mono_marshal_set_callconv_from_modopt (MonoMethod *method, MonoMethodSignature *csig)
9456 MonoMethodSignature *sig;
9461 * Under windows, delegates passed to native code must use the STDCALL
9462 * calling convention.
9464 csig->call_convention = MONO_CALL_STDCALL;
9467 sig = mono_method_signature (method);
9469 /* Change default calling convention if needed */
9470 /* Why is this a modopt ? */
9471 if (sig->ret && sig->ret->num_mods) {
9472 for (i = 0; i < sig->ret->num_mods; ++i) {
9473 MonoClass *cmod_class = mono_class_get (method->klass->image, sig->ret->modifiers [i].token);
9474 g_assert (cmod_class);
9475 if ((cmod_class->image == mono_defaults.corlib) && !strcmp (cmod_class->name_space, "System.Runtime.CompilerServices")) {
9476 if (!strcmp (cmod_class->name, "CallConvCdecl"))
9477 csig->call_convention = MONO_CALL_C;
9478 else if (!strcmp (cmod_class->name, "CallConvStdcall"))
9479 csig->call_convention = MONO_CALL_STDCALL;
9480 else if (!strcmp (cmod_class->name, "CallConvFastcall"))
9481 csig->call_convention = MONO_CALL_FASTCALL;
9482 else if (!strcmp (cmod_class->name, "CallConvThiscall"))
9483 csig->call_convention = MONO_CALL_THISCALL;
9490 * generates IL code to call managed methods from unmanaged code
9491 * If target_handle==0, the wrapper info will be a WrapperInfo structure.
9494 mono_marshal_get_managed_wrapper (MonoMethod *method, MonoClass *delegate_klass, uint32_t target_handle)
9496 static MonoClass *UnmanagedFunctionPointerAttribute;
9497 MonoMethodSignature *sig, *csig, *invoke_sig;
9498 MonoMethodBuilder *mb;
9499 MonoMethod *res, *invoke;
9500 MonoMarshalSpec **mspecs;
9501 MonoMethodPInvoke piinfo;
9504 EmitMarshalContext m;
9506 g_assert (method != NULL);
9507 g_assert (!mono_method_signature (method)->pinvoke);
9510 * FIXME: Should cache the method+delegate type pair, since the same method
9511 * could be called with different delegates, thus different marshalling
9514 cache = get_cache (&method->klass->image->managed_wrapper_cache, mono_aligned_addr_hash, NULL);
9515 if (!target_handle && (res = mono_marshal_find_in_cache (cache, method)))
9518 invoke = mono_get_delegate_invoke (delegate_klass);
9519 invoke_sig = mono_method_signature (invoke);
9521 mspecs = g_new0 (MonoMarshalSpec*, mono_method_signature (invoke)->param_count + 1);
9522 mono_method_get_marshal_info (invoke, mspecs);
9524 sig = mono_method_signature (method);
9526 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_NATIVE_TO_MANAGED);
9528 /*the target gchandle must be the first entry after size and the wrapper itself.*/
9529 mono_mb_add_data (mb, GUINT_TO_POINTER (target_handle));
9531 /* we copy the signature, so that we can modify it */
9533 /* Need to free this later */
9534 csig = mono_metadata_signature_dup (invoke_sig);
9536 csig = signature_dup (method->klass->image, invoke_sig);
9545 m.image = method->klass->image;
9547 mono_marshal_set_callconv_from_modopt (invoke, csig);
9549 /* Handle the UnmanagedFunctionPointerAttribute */
9550 if (!UnmanagedFunctionPointerAttribute)
9551 UnmanagedFunctionPointerAttribute = mono_class_from_name (mono_defaults.corlib, "System.Runtime.InteropServices", "UnmanagedFunctionPointerAttribute");
9553 /* The attribute is only available in Net 2.0 */
9554 if (UnmanagedFunctionPointerAttribute) {
9555 MonoCustomAttrInfo *cinfo;
9556 MonoCustomAttrEntry *attr;
9559 * The pinvoke attributes are stored in a real custom attribute. Obtain the
9560 * contents of the attribute without constructing it, as that might not be
9561 * possible when running in cross-compiling mode.
9563 cinfo = mono_custom_attrs_from_class (delegate_klass);
9566 for (i = 0; i < cinfo->num_attrs; ++i) {
9567 MonoClass *ctor_class = cinfo->attrs [i].ctor->klass;
9568 if (mono_class_has_parent (ctor_class, UnmanagedFunctionPointerAttribute)) {
9569 attr = &cinfo->attrs [i];
9575 MonoArray *typed_args, *named_args;
9576 CattrNamedArg *arginfo;
9580 MonoBoolean set_last_error = 0;
9581 MonoBoolean best_fit_mapping = 0;
9582 MonoBoolean throw_on_unmappable = 0;
9585 mono_reflection_create_custom_attr_data_args (mono_defaults.corlib, attr->ctor, attr->data, attr->data_size, &typed_args, &named_args, &arginfo, &error);
9586 g_assert (mono_error_ok (&error));
9587 g_assert (mono_array_length (typed_args) == 1);
9590 o = mono_array_get (typed_args, MonoObject*, 0);
9591 call_conv = *(gint32*)mono_object_unbox (o);
9594 for (i = 0; i < mono_array_length (named_args); ++i) {
9595 CattrNamedArg *narg = &arginfo [i];
9597 o = mono_array_get (named_args, MonoObject*, i);
9599 g_assert (narg->field);
9600 if (!strcmp (narg->field->name, "CharSet")) {
9601 charset = *(gint32*)mono_object_unbox (o);
9602 } else if (!strcmp (narg->field->name, "SetLastError")) {
9603 set_last_error = *(MonoBoolean*)mono_object_unbox (o);
9604 } else if (!strcmp (narg->field->name, "BestFitMapping")) {
9605 best_fit_mapping = *(MonoBoolean*)mono_object_unbox (o);
9606 } else if (!strcmp (narg->field->name, "ThrowOnUnmappableChar")) {
9607 throw_on_unmappable = *(MonoBoolean*)mono_object_unbox (o);
9609 g_assert_not_reached ();
9615 memset (&piinfo, 0, sizeof (piinfo));
9617 piinfo.piflags = (call_conv << 8) | (charset ? (charset - 1) * 2 : 1) | set_last_error;
9619 csig->call_convention = call_conv - 1;
9622 if (cinfo && !cinfo->cached)
9623 mono_custom_attrs_free (cinfo);
9626 mono_marshal_emit_managed_wrapper (mb, invoke_sig, mspecs, &m, method, target_handle);
9628 if (!target_handle) {
9631 res = mono_mb_create_and_cache (cache, method,
9632 mb, csig, sig->param_count + 16);
9633 // FIXME: Associate it with the method+delegate_klass pair
9634 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_NONE);
9635 info->d.native_to_managed.method = method;
9636 info->d.native_to_managed.klass = delegate_klass;
9637 mono_marshal_set_wrapper_info (res, info);
9642 res = mono_mb_create_method (mb, csig, sig->param_count + 16);
9646 for (i = mono_method_signature (invoke)->param_count; i >= 0; i--)
9648 mono_metadata_free_marshal_spec (mspecs [i]);
9651 /* code_for (res); */
9657 mono_marshal_get_vtfixup_ftnptr (MonoImage *image, guint32 token, guint16 type)
9660 MonoMethodSignature *sig;
9661 MonoMethodBuilder *mb;
9666 method = mono_get_method (image, token, NULL);
9669 if (type & (VTFIXUP_TYPE_FROM_UNMANAGED | VTFIXUP_TYPE_FROM_UNMANAGED_RETAIN_APPDOMAIN)) {
9670 MonoMethodSignature *csig;
9671 MonoMarshalSpec **mspecs;
9672 EmitMarshalContext m;
9674 sig = mono_method_signature (method);
9675 g_assert (!sig->hasthis);
9677 mspecs = g_new0 (MonoMarshalSpec*, sig->param_count + 1);
9678 mono_method_get_marshal_info (method, mspecs);
9680 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_NATIVE_TO_MANAGED);
9681 csig = signature_dup (image, sig);
9692 mono_marshal_set_callconv_from_modopt (method, csig);
9694 /* FIXME: Implement VTFIXUP_TYPE_FROM_UNMANAGED_RETAIN_APPDOMAIN. */
9696 mono_marshal_emit_managed_wrapper (mb, sig, mspecs, &m, method, 0);
9701 method = mono_mb_create_method (mb, csig, sig->param_count + 16);
9704 for (i = sig->param_count; i >= 0; i--)
9706 mono_metadata_free_marshal_spec (mspecs [i]);
9709 return mono_compile_method (method);
9712 sig = mono_method_signature (method);
9713 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_MANAGED_TO_MANAGED);
9715 param_count = sig->param_count + sig->hasthis;
9717 for (i = 0; i < param_count; i++)
9718 mono_mb_emit_ldarg (mb, i);
9720 if (type & VTFIXUP_TYPE_CALL_MOST_DERIVED)
9721 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
9723 mono_mb_emit_op (mb, CEE_CALL, method);
9724 mono_mb_emit_byte (mb, CEE_RET);
9729 method = mono_mb_create_method (mb, sig, param_count);
9732 return mono_compile_method (method);
9735 static MonoReflectionType *
9736 type_from_handle (MonoType *handle)
9738 MonoDomain *domain = mono_domain_get ();
9739 MonoClass *klass = mono_class_from_mono_type (handle);
9741 MONO_ARCH_SAVE_REGS;
9743 mono_class_init (klass);
9744 return mono_type_get_object (domain, handle);
9748 * This does the equivalent of mono_object_castclass_with_cache.
9749 * The wrapper info for the wrapper is a WrapperInfo structure.
9752 mono_marshal_get_castclass_with_cache (void)
9754 static MonoMethod *cached;
9756 MonoMethodBuilder *mb;
9757 MonoMethodSignature *sig;
9758 int return_null_pos, cache_miss_pos, invalid_cast_pos;
9764 mb = mono_mb_new (mono_defaults.object_class, "__castclass_with_cache", MONO_WRAPPER_CASTCLASS);
9765 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
9766 sig->params [0] = &mono_defaults.object_class->byval_arg;
9767 sig->params [1] = &mono_defaults.int_class->byval_arg;
9768 sig->params [2] = &mono_defaults.int_class->byval_arg;
9769 sig->ret = &mono_defaults.object_class->byval_arg;
9773 /* allocate local 0 (pointer) obj_vtable */
9774 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9777 mono_mb_emit_ldarg (mb, 0);
9778 return_null_pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
9780 /*obj_vtable = obj->vtable;*/
9781 mono_mb_emit_ldarg (mb, 0);
9782 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
9783 mono_mb_emit_byte (mb, CEE_LDIND_I);
9784 mono_mb_emit_stloc (mb, 0);
9787 mono_mb_emit_ldarg (mb, 2);
9788 mono_mb_emit_byte (mb, CEE_LDIND_I);
9789 mono_mb_emit_ldloc (mb, 0);
9791 /*if (*cache == obj_vtable)*/
9792 cache_miss_pos = mono_mb_emit_branch (mb, CEE_BNE_UN);
9795 mono_mb_emit_ldarg (mb, 0);
9796 mono_mb_emit_byte (mb, CEE_RET);
9798 mono_mb_patch_branch (mb, cache_miss_pos);
9799 /*if (mono_object_isinst (obj, klass)) */
9800 mono_mb_emit_ldarg (mb, 0);
9801 mono_mb_emit_ldarg (mb, 1);
9802 mono_mb_emit_icall (mb, mono_object_isinst);
9803 invalid_cast_pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
9805 /**cache = obj_vtable;*/
9806 mono_mb_emit_ldarg (mb, 2);
9807 mono_mb_emit_ldloc (mb, 0);
9808 mono_mb_emit_byte (mb, CEE_STIND_I);
9811 mono_mb_emit_ldarg (mb, 0);
9812 mono_mb_emit_byte (mb, CEE_RET);
9815 mono_mb_patch_branch (mb, invalid_cast_pos);
9816 mono_mb_emit_exception (mb, "InvalidCastException", NULL);
9819 mono_mb_patch_branch (mb, return_null_pos);
9820 mono_mb_emit_byte (mb, CEE_LDNULL);
9821 mono_mb_emit_byte (mb, CEE_RET);
9822 #endif /* DISABLE_JIT */
9824 res = mono_mb_create_method (mb, sig, 8);
9825 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_CASTCLASS_WITH_CACHE);
9826 mono_marshal_set_wrapper_info (res, info);
9829 if (InterlockedCompareExchangePointer ((volatile gpointer *)&cached, res, NULL)) {
9830 mono_free_method (res);
9831 mono_metadata_free_method_signature (sig);
9839 * This does the equivalent of mono_object_isinst_with_cache.
9840 * The wrapper info for the wrapper is a WrapperInfo structure.
9843 mono_marshal_get_isinst_with_cache (void)
9845 static MonoMethod *cached;
9847 MonoMethodBuilder *mb;
9848 MonoMethodSignature *sig;
9849 int return_null_pos, cache_miss_pos, cache_hit_pos, not_an_instance_pos, negative_cache_hit_pos;
9855 mb = mono_mb_new (mono_defaults.object_class, "__isinst_with_cache", MONO_WRAPPER_CASTCLASS);
9856 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
9857 sig->params [0] = &mono_defaults.object_class->byval_arg;
9858 sig->params [1] = &mono_defaults.int_class->byval_arg;
9859 sig->params [2] = &mono_defaults.int_class->byval_arg;
9860 sig->ret = &mono_defaults.object_class->byval_arg;
9864 /* allocate local 0 (pointer) obj_vtable */
9865 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9866 /* allocate local 1 (pointer) cached_vtable */
9867 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9870 mono_mb_emit_ldarg (mb, 0);
9871 return_null_pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
9873 /*obj_vtable = obj->vtable;*/
9874 mono_mb_emit_ldarg (mb, 0);
9875 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
9876 mono_mb_emit_byte (mb, CEE_LDIND_I);
9877 mono_mb_emit_stloc (mb, 0);
9879 /* cached_vtable = *cache*/
9880 mono_mb_emit_ldarg (mb, 2);
9881 mono_mb_emit_byte (mb, CEE_LDIND_I);
9882 mono_mb_emit_stloc (mb, 1);
9884 mono_mb_emit_ldloc (mb, 1);
9885 mono_mb_emit_byte (mb, CEE_LDC_I4);
9886 mono_mb_emit_i4 (mb, ~0x1);
9887 mono_mb_emit_byte (mb, CEE_CONV_U);
9888 mono_mb_emit_byte (mb, CEE_AND);
9889 mono_mb_emit_ldloc (mb, 0);
9890 /*if ((cached_vtable & ~0x1)== obj_vtable)*/
9891 cache_miss_pos = mono_mb_emit_branch (mb, CEE_BNE_UN);
9893 /*return (cached_vtable & 0x1) ? NULL : obj;*/
9894 mono_mb_emit_ldloc (mb, 1);
9895 mono_mb_emit_byte(mb, CEE_LDC_I4_1);
9896 mono_mb_emit_byte (mb, CEE_CONV_U);
9897 mono_mb_emit_byte (mb, CEE_AND);
9898 negative_cache_hit_pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
9901 mono_mb_emit_ldarg (mb, 0);
9902 cache_hit_pos = mono_mb_emit_branch (mb, CEE_BR);
9905 mono_mb_patch_branch (mb, negative_cache_hit_pos);
9906 mono_mb_emit_byte (mb, CEE_LDNULL);
9908 mono_mb_patch_branch (mb, cache_hit_pos);
9909 mono_mb_emit_byte (mb, CEE_RET);
9911 mono_mb_patch_branch (mb, cache_miss_pos);
9912 /*if (mono_object_isinst (obj, klass)) */
9913 mono_mb_emit_ldarg (mb, 0);
9914 mono_mb_emit_ldarg (mb, 1);
9915 mono_mb_emit_icall (mb, mono_object_isinst);
9916 not_an_instance_pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
9918 /**cache = obj_vtable;*/
9919 mono_mb_emit_ldarg (mb, 2);
9920 mono_mb_emit_ldloc (mb, 0);
9921 mono_mb_emit_byte (mb, CEE_STIND_I);
9924 mono_mb_emit_ldarg (mb, 0);
9925 mono_mb_emit_byte (mb, CEE_RET);
9928 mono_mb_patch_branch (mb, not_an_instance_pos);
9929 /* *cache = (gpointer)(obj_vtable | 0x1);*/
9930 mono_mb_emit_ldarg (mb, 2);
9931 /*obj_vtable | 0x1*/
9932 mono_mb_emit_ldloc (mb, 0);
9933 mono_mb_emit_byte(mb, CEE_LDC_I4_1);
9934 mono_mb_emit_byte (mb, CEE_CONV_U);
9935 mono_mb_emit_byte (mb, CEE_OR);
9938 mono_mb_emit_byte (mb, CEE_STIND_I);
9941 mono_mb_patch_branch (mb, return_null_pos);
9942 mono_mb_emit_byte (mb, CEE_LDNULL);
9943 mono_mb_emit_byte (mb, CEE_RET);
9946 res = mono_mb_create_method (mb, sig, 8);
9947 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_ISINST_WITH_CACHE);
9948 mono_marshal_set_wrapper_info (res, info);
9951 if (InterlockedCompareExchangePointer ((volatile gpointer *)&cached, res, NULL)) {
9952 mono_free_method (res);
9953 mono_metadata_free_method_signature (sig);
9961 * mono_marshal_get_isinst:
9962 * @klass: the type of the field
9964 * This method generates a function which can be used to check if an object is
9965 * an instance of the given type, icluding the case where the object is a proxy.
9966 * The generated function has the following signature:
9967 * MonoObject* __isinst_wrapper_ (MonoObject *obj)
9970 mono_marshal_get_isinst (MonoClass *klass)
9972 static MonoMethodSignature *isint_sig = NULL;
9975 int pos_was_ok, pos_end;
9976 #ifndef DISABLE_REMOTING
9977 int pos_end2, pos_failed;
9980 MonoMethodBuilder *mb;
9982 cache = get_cache (&klass->image->isinst_cache, mono_aligned_addr_hash, NULL);
9983 if ((res = mono_marshal_find_in_cache (cache, klass)))
9987 isint_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
9988 isint_sig->params [0] = &mono_defaults.object_class->byval_arg;
9989 isint_sig->ret = &mono_defaults.object_class->byval_arg;
9990 isint_sig->pinvoke = 0;
9993 name = g_strdup_printf ("__isinst_wrapper_%s", klass->name);
9994 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_ISINST);
9997 mb->method->save_lmf = 1;
10000 /* check if the object is a proxy that needs special cast */
10001 mono_mb_emit_ldarg (mb, 0);
10002 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
10003 mono_mb_emit_op (mb, CEE_MONO_CISINST, klass);
10005 /* The result of MONO_CISINST can be:
10006 0) the type check succeeded
10007 1) the type check did not succeed
10008 2) a CanCastTo call is needed */
10009 #ifndef DISABLE_REMOTING
10010 mono_mb_emit_byte (mb, CEE_DUP);
10011 pos_was_ok = mono_mb_emit_branch (mb, CEE_BRFALSE);
10013 mono_mb_emit_byte (mb, CEE_LDC_I4_2);
10014 pos_failed = mono_mb_emit_branch (mb, CEE_BNE_UN);
10016 /* get the real proxy from the transparent proxy*/
10018 mono_mb_emit_ldarg (mb, 0);
10019 mono_mb_emit_managed_call (mb, mono_marshal_get_proxy_cancast (klass), NULL);
10020 pos_end = mono_mb_emit_branch (mb, CEE_BR);
10024 mono_mb_patch_branch (mb, pos_failed);
10025 mono_mb_emit_byte (mb, CEE_LDNULL);
10026 pos_end2 = mono_mb_emit_branch (mb, CEE_BR);
10030 mono_mb_patch_branch (mb, pos_was_ok);
10031 mono_mb_emit_byte (mb, CEE_POP);
10032 mono_mb_emit_ldarg (mb, 0);
10036 mono_mb_patch_branch (mb, pos_end);
10037 mono_mb_patch_branch (mb, pos_end2);
10038 mono_mb_emit_byte (mb, CEE_RET);
10040 pos_was_ok = mono_mb_emit_branch (mb, CEE_BRFALSE);
10044 mono_mb_emit_byte (mb, CEE_LDNULL);
10045 pos_end = mono_mb_emit_branch (mb, CEE_BR);
10049 mono_mb_patch_branch (mb, pos_was_ok);
10050 mono_mb_emit_ldarg (mb, 0);
10054 mono_mb_patch_branch (mb, pos_end);
10055 mono_mb_emit_byte (mb, CEE_RET);
10056 #endif /* DISABLE_REMOTING */
10057 #endif /* DISABLE_JIT */
10059 res = mono_mb_create_and_cache (cache, klass, mb, isint_sig, isint_sig->param_count + 16);
10066 * mono_marshal_get_castclass:
10067 * @klass: the type of the field
10069 * This method generates a function which can be used to cast an object to
10070 * an instance of the given type, icluding the case where the object is a proxy.
10071 * The generated function has the following signature:
10072 * MonoObject* __castclass_wrapper_ (MonoObject *obj)
10073 * The wrapper info for the wrapper is a WrapperInfo structure.
10076 mono_marshal_get_castclass (MonoClass *klass)
10078 static MonoMethodSignature *castclass_sig = NULL;
10081 #ifndef DISABLE_REMOTING
10082 int pos_was_ok, pos_was_ok2;
10085 MonoMethodBuilder *mb;
10088 cache = get_cache (&klass->image->castclass_cache, mono_aligned_addr_hash, NULL);
10089 if ((res = mono_marshal_find_in_cache (cache, klass)))
10092 if (!castclass_sig) {
10093 castclass_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
10094 castclass_sig->params [0] = &mono_defaults.object_class->byval_arg;
10095 castclass_sig->ret = &mono_defaults.object_class->byval_arg;
10096 castclass_sig->pinvoke = 0;
10099 name = g_strdup_printf ("__castclass_wrapper_%s", klass->name);
10100 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_CASTCLASS);
10103 mb->method->save_lmf = 1;
10105 #ifndef DISABLE_JIT
10106 /* check if the object is a proxy that needs special cast */
10107 mono_mb_emit_ldarg (mb, 0);
10108 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
10109 mono_mb_emit_op (mb, CEE_MONO_CCASTCLASS, klass);
10111 /* The result of MONO_CCASTCLASS can be:
10112 0) the cast is valid
10113 1) cast of unknown proxy type
10114 or an exception if the cast is is invalid
10116 #ifndef DISABLE_REMOTING
10117 pos_was_ok = mono_mb_emit_branch (mb, CEE_BRFALSE);
10119 /* get the real proxy from the transparent proxy*/
10121 mono_mb_emit_ldarg (mb, 0);
10122 mono_mb_emit_managed_call (mb, mono_marshal_get_proxy_cancast (klass), NULL);
10123 pos_was_ok2 = mono_mb_emit_branch (mb, CEE_BRTRUE);
10126 mono_mb_emit_exception (mb, "InvalidCastException", NULL);
10129 mono_mb_patch_branch (mb, pos_was_ok);
10130 mono_mb_patch_branch (mb, pos_was_ok2);
10132 /* MONO_CCASTCLASS leaves an int in the stack with the result, pop it. */
10133 mono_mb_emit_byte (mb, CEE_POP);
10134 #endif /* DISABLE_REMOTING */
10136 mono_mb_emit_ldarg (mb, 0);
10139 mono_mb_emit_byte (mb, CEE_RET);
10140 #endif /* DISABLE_JIT */
10142 res = mono_mb_create_and_cache (cache, klass, mb, castclass_sig, castclass_sig->param_count + 16);
10145 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_NONE);
10146 mono_marshal_set_wrapper_info (res, info);
10151 #ifndef DISABLE_REMOTING
10153 mono_marshal_get_proxy_cancast (MonoClass *klass)
10155 static MonoMethodSignature *isint_sig = NULL;
10158 int pos_failed, pos_end;
10159 char *name, *klass_name;
10160 MonoMethod *can_cast_to;
10161 MonoMethodDesc *desc;
10162 MonoMethodBuilder *mb;
10164 cache = get_cache (&klass->image->proxy_isinst_cache, mono_aligned_addr_hash, NULL);
10165 if ((res = mono_marshal_find_in_cache (cache, klass)))
10169 isint_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
10170 isint_sig->params [0] = &mono_defaults.object_class->byval_arg;
10171 isint_sig->ret = &mono_defaults.object_class->byval_arg;
10172 isint_sig->pinvoke = 0;
10175 klass_name = mono_type_full_name (&klass->byval_arg);
10176 name = g_strdup_printf ("__proxy_isinst_wrapper_%s", klass_name);
10177 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_PROXY_ISINST);
10178 g_free (klass_name);
10181 mb->method->save_lmf = 1;
10183 #ifndef DISABLE_JIT
10184 /* get the real proxy from the transparent proxy*/
10185 mono_mb_emit_ldarg (mb, 0);
10186 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
10187 mono_mb_emit_byte (mb, CEE_LDIND_REF);
10189 /* get the reflection type from the type handle */
10190 mono_mb_emit_ptr (mb, &klass->byval_arg);
10191 mono_mb_emit_icall (mb, type_from_handle);
10193 mono_mb_emit_ldarg (mb, 0);
10195 /* make the call to CanCastTo (type, ob) */
10196 desc = mono_method_desc_new ("IRemotingTypeInfo:CanCastTo", FALSE);
10197 can_cast_to = mono_method_desc_search_in_class (desc, mono_defaults.iremotingtypeinfo_class);
10198 g_assert (can_cast_to);
10199 mono_method_desc_free (desc);
10200 mono_mb_emit_op (mb, CEE_CALLVIRT, can_cast_to);
10202 pos_failed = mono_mb_emit_branch (mb, CEE_BRFALSE);
10204 /* Upgrade the proxy vtable by calling: mono_upgrade_remote_class_wrapper (type, ob)*/
10205 mono_mb_emit_ptr (mb, &klass->byval_arg);
10206 mono_mb_emit_icall (mb, type_from_handle);
10207 mono_mb_emit_ldarg (mb, 0);
10209 mono_mb_emit_icall (mb, mono_upgrade_remote_class_wrapper);
10210 emit_thread_interrupt_checkpoint (mb);
10212 mono_mb_emit_ldarg (mb, 0);
10213 pos_end = mono_mb_emit_branch (mb, CEE_BR);
10217 mono_mb_patch_branch (mb, pos_failed);
10218 mono_mb_emit_byte (mb, CEE_LDNULL);
10222 mono_mb_patch_branch (mb, pos_end);
10223 mono_mb_emit_byte (mb, CEE_RET);
10226 res = mono_mb_create_and_cache (cache, klass, mb, isint_sig, isint_sig->param_count + 16);
10233 mono_upgrade_remote_class_wrapper (MonoReflectionType *rtype, MonoTransparentProxy *tproxy)
10236 MonoDomain *domain = ((MonoObject*)tproxy)->vtable->domain;
10237 klass = mono_class_from_mono_type (rtype->type);
10238 mono_upgrade_remote_class (domain, (MonoObject*)tproxy, klass);
10240 #endif /*DISABLE_REMOTING */
10243 * mono_marshal_get_struct_to_ptr:
10246 * generates IL code for StructureToPtr (object structure, IntPtr ptr, bool fDeleteOld)
10247 * The wrapper info for the wrapper is a WrapperInfo structure.
10250 mono_marshal_get_struct_to_ptr (MonoClass *klass)
10252 MonoMethodBuilder *mb;
10253 static MonoMethod *stoptr = NULL;
10257 g_assert (klass != NULL);
10259 mono_marshal_load_type_info (klass);
10261 if (klass->marshal_info->str_to_ptr)
10262 return klass->marshal_info->str_to_ptr;
10265 stoptr = mono_class_get_method_from_name (mono_defaults.marshal_class, "StructureToPtr", 3);
10268 mb = mono_mb_new (klass, stoptr->name, MONO_WRAPPER_UNKNOWN);
10270 #ifndef DISABLE_JIT
10271 if (klass->blittable) {
10272 mono_mb_emit_byte (mb, CEE_LDARG_1);
10273 mono_mb_emit_byte (mb, CEE_LDARG_0);
10274 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
10275 mono_mb_emit_icon (mb, mono_class_value_size (klass, NULL));
10276 mono_mb_emit_byte (mb, CEE_PREFIX1);
10277 mono_mb_emit_byte (mb, CEE_CPBLK);
10280 /* allocate local 0 (pointer) src_ptr */
10281 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10282 /* allocate local 1 (pointer) dst_ptr */
10283 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10284 /* allocate local 2 (boolean) delete_old */
10285 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
10286 mono_mb_emit_byte (mb, CEE_LDARG_2);
10287 mono_mb_emit_stloc (mb, 2);
10289 /* initialize src_ptr to point to the start of object data */
10290 mono_mb_emit_byte (mb, CEE_LDARG_0);
10291 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
10292 mono_mb_emit_stloc (mb, 0);
10294 /* initialize dst_ptr */
10295 mono_mb_emit_byte (mb, CEE_LDARG_1);
10296 mono_mb_emit_stloc (mb, 1);
10298 emit_struct_conv (mb, klass, FALSE);
10301 mono_mb_emit_byte (mb, CEE_RET);
10304 res = mono_mb_create_method (mb, mono_signature_no_pinvoke (stoptr), 0);
10307 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_STRUCTURE_TO_PTR);
10308 mono_marshal_set_wrapper_info (res, info);
10310 klass->marshal_info->str_to_ptr = res;
10315 * mono_marshal_get_ptr_to_struct:
10318 * generates IL code for PtrToStructure (IntPtr src, object structure)
10319 * The wrapper info for the wrapper is a WrapperInfo structure.
10322 mono_marshal_get_ptr_to_struct (MonoClass *klass)
10324 MonoMethodBuilder *mb;
10325 static MonoMethodSignature *ptostr = NULL;
10329 g_assert (klass != NULL);
10331 mono_marshal_load_type_info (klass);
10333 if (klass->marshal_info->ptr_to_str)
10334 return klass->marshal_info->ptr_to_str;
10337 MonoMethodSignature *sig;
10339 /* Create the signature corresponding to
10340 static void PtrToStructure (IntPtr ptr, object structure);
10341 defined in class/corlib/System.Runtime.InteropServices/Marshal.cs */
10342 sig = mono_create_icall_signature ("void ptr object");
10343 sig = signature_dup (mono_defaults.corlib, sig);
10345 mono_memory_barrier ();
10349 mb = mono_mb_new (klass, "PtrToStructure", MONO_WRAPPER_UNKNOWN);
10351 #ifndef DISABLE_JIT
10352 if (klass->blittable) {
10353 mono_mb_emit_byte (mb, CEE_LDARG_1);
10354 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
10355 mono_mb_emit_byte (mb, CEE_LDARG_0);
10356 mono_mb_emit_icon (mb, mono_class_value_size (klass, NULL));
10357 mono_mb_emit_byte (mb, CEE_PREFIX1);
10358 mono_mb_emit_byte (mb, CEE_CPBLK);
10361 /* allocate local 0 (pointer) src_ptr */
10362 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10363 /* allocate local 1 (pointer) dst_ptr */
10364 mono_mb_add_local (mb, &klass->this_arg);
10366 /* initialize src_ptr to point to the start of object data */
10367 mono_mb_emit_byte (mb, CEE_LDARG_0);
10368 mono_mb_emit_stloc (mb, 0);
10370 /* initialize dst_ptr */
10371 mono_mb_emit_byte (mb, CEE_LDARG_1);
10372 mono_mb_emit_op (mb, CEE_UNBOX, klass);
10373 mono_mb_emit_stloc (mb, 1);
10375 emit_struct_conv (mb, klass, TRUE);
10378 mono_mb_emit_byte (mb, CEE_RET);
10381 res = mono_mb_create_method (mb, ptostr, 0);
10384 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_PTR_TO_STRUCTURE);
10385 mono_marshal_set_wrapper_info (res, info);
10387 klass->marshal_info->ptr_to_str = res;
10392 * Return a dummy wrapper for METHOD which is called by synchronized wrappers.
10393 * This is used to avoid infinite recursion since it is hard to determine where to
10394 * replace a method with its synchronized wrapper, and where not.
10395 * The runtime should execute METHOD instead of the wrapper.
10396 * The wrapper info for the wrapper is a WrapperInfo structure.
10399 mono_marshal_get_synchronized_inner_wrapper (MonoMethod *method)
10401 MonoMethodBuilder *mb;
10403 MonoMethodSignature *sig;
10405 MonoGenericContext *ctx = NULL;
10406 MonoMethod *orig_method = NULL;
10407 MonoGenericContainer *container = NULL;
10409 if (method->is_inflated && !mono_method_get_context (method)->method_inst) {
10410 orig_method = method;
10411 ctx = &((MonoMethodInflated*)method)->context;
10412 method = ((MonoMethodInflated*)method)->declaring;
10413 container = mono_method_get_generic_container (method);
10415 container = method->klass->generic_container;
10416 g_assert (container);
10419 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_UNKNOWN);
10420 #ifndef DISABLE_JIT
10421 mono_mb_emit_exception_full (mb, "System", "ExecutionEngineException", "Shouldn't be called.");
10422 mono_mb_emit_byte (mb, CEE_RET);
10424 sig = signature_dup (method->klass->image, mono_method_signature (method));
10425 res = mono_mb_create_method (mb, sig, 0);
10427 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_SYNCHRONIZED_INNER);
10428 info->d.synchronized_inner.method = method;
10429 mono_marshal_set_wrapper_info (res, info);
10431 res = mono_class_inflate_generic_method (res, ctx);
10436 * generates IL code for the synchronized wrapper: the generated method
10437 * calls METHOD while locking 'this' or the parent type.
10440 mono_marshal_get_synchronized_wrapper (MonoMethod *method)
10442 static MonoMethod *enter_method, *exit_method, *gettypefromhandle_method;
10443 MonoMethodSignature *sig;
10444 MonoExceptionClause *clause;
10445 MonoMethodBuilder *mb;
10448 int i, pos, this_local, ret_local = 0;
10449 MonoGenericContext *ctx = NULL;
10450 MonoMethod *orig_method = NULL;
10451 MonoGenericContainer *container = NULL;
10455 if (method->wrapper_type == MONO_WRAPPER_SYNCHRONIZED)
10458 /* FIXME: Support generic methods too */
10459 if (method->is_inflated && !mono_method_get_context (method)->method_inst) {
10460 orig_method = method;
10461 ctx = &((MonoMethodInflated*)method)->context;
10462 method = ((MonoMethodInflated*)method)->declaring;
10463 container = mono_method_get_generic_container (method);
10465 container = method->klass->generic_container;
10466 g_assert (container);
10473 cache = get_cache (&method->klass->image->synchronized_generic_cache, mono_aligned_addr_hash, NULL);
10474 res = check_generic_wrapper_cache (cache, orig_method, orig_method, method);
10478 cache = get_cache (&method->klass->image->synchronized_cache, mono_aligned_addr_hash, NULL);
10479 if ((res = mono_marshal_find_in_cache (cache, method)))
10483 sig = signature_dup (method->klass->image, mono_method_signature (method));
10486 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_SYNCHRONIZED);
10488 #ifndef DISABLE_JIT
10490 if (!MONO_TYPE_IS_VOID (sig->ret))
10491 ret_local = mono_mb_add_local (mb, sig->ret);
10494 if (method->klass->valuetype && !(method->flags & MONO_METHOD_ATTR_STATIC)) {
10495 mono_class_set_failure (method->klass, MONO_EXCEPTION_TYPE_LOAD, NULL);
10496 #ifndef DISABLE_JIT
10497 /* This will throw the type load exception when the wrapper is compiled */
10498 mono_mb_emit_byte (mb, CEE_LDNULL);
10499 mono_mb_emit_op (mb, CEE_ISINST, method->klass);
10500 mono_mb_emit_byte (mb, CEE_POP);
10502 if (!MONO_TYPE_IS_VOID (sig->ret))
10503 mono_mb_emit_ldloc (mb, ret_local);
10504 mono_mb_emit_byte (mb, CEE_RET);
10507 res = mono_mb_create_and_cache (cache, method,
10508 mb, sig, sig->param_count + 16);
10514 #ifndef DISABLE_JIT
10516 this_local = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
10518 clause = mono_image_alloc0 (method->klass->image, sizeof (MonoExceptionClause));
10519 clause->flags = MONO_EXCEPTION_CLAUSE_FINALLY;
10522 mono_marshal_lock ();
10524 if (!enter_method) {
10525 MonoMethodDesc *desc;
10527 desc = mono_method_desc_new ("Monitor:Enter", FALSE);
10528 enter_method = mono_method_desc_search_in_class (desc, mono_defaults.monitor_class);
10529 g_assert (enter_method);
10530 mono_method_desc_free (desc);
10532 desc = mono_method_desc_new ("Monitor:Exit", FALSE);
10533 exit_method = mono_method_desc_search_in_class (desc, mono_defaults.monitor_class);
10534 g_assert (exit_method);
10535 mono_method_desc_free (desc);
10537 desc = mono_method_desc_new ("Type:GetTypeFromHandle", FALSE);
10538 gettypefromhandle_method = mono_method_desc_search_in_class (desc, mono_defaults.systemtype_class);
10539 g_assert (gettypefromhandle_method);
10540 mono_method_desc_free (desc);
10543 mono_marshal_unlock ();
10545 #ifndef DISABLE_JIT
10546 /* Push this or the type object */
10547 if (method->flags & METHOD_ATTRIBUTE_STATIC) {
10548 /* We have special handling for this in the JIT */
10549 int index = mono_mb_add_data (mb, method->klass);
10550 mono_mb_add_data (mb, mono_defaults.typehandle_class);
10551 mono_mb_emit_byte (mb, CEE_LDTOKEN);
10552 mono_mb_emit_i4 (mb, index);
10554 mono_mb_emit_managed_call (mb, gettypefromhandle_method, NULL);
10557 mono_mb_emit_ldarg (mb, 0);
10558 mono_mb_emit_stloc (mb, this_local);
10560 /* Call Monitor::Enter() */
10561 mono_mb_emit_ldloc (mb, this_local);
10562 mono_mb_emit_managed_call (mb, enter_method, NULL);
10564 clause->try_offset = mono_mb_get_label (mb);
10566 /* Call the method */
10568 mono_mb_emit_ldarg (mb, 0);
10569 for (i = 0; i < sig->param_count; i++)
10570 mono_mb_emit_ldarg (mb, i + (sig->hasthis == TRUE));
10573 mono_mb_emit_managed_call (mb, mono_class_inflate_generic_method (method, &container->context), NULL);
10575 mono_mb_emit_managed_call (mb, method, NULL);
10577 if (!MONO_TYPE_IS_VOID (sig->ret))
10578 mono_mb_emit_stloc (mb, ret_local);
10580 pos = mono_mb_emit_branch (mb, CEE_LEAVE);
10582 clause->try_len = mono_mb_get_pos (mb) - clause->try_offset;
10583 clause->handler_offset = mono_mb_get_label (mb);
10585 /* Call Monitor::Exit() */
10586 mono_mb_emit_ldloc (mb, this_local);
10587 mono_mb_emit_managed_call (mb, exit_method, NULL);
10588 mono_mb_emit_byte (mb, CEE_ENDFINALLY);
10590 clause->handler_len = mono_mb_get_pos (mb) - clause->handler_offset;
10592 mono_mb_patch_branch (mb, pos);
10593 if (!MONO_TYPE_IS_VOID (sig->ret))
10594 mono_mb_emit_ldloc (mb, ret_local);
10595 mono_mb_emit_byte (mb, CEE_RET);
10597 mono_mb_set_clauses (mb, 1, clause);
10602 def = mono_mb_create_and_cache (cache, method, mb, sig, sig->param_count + 16);
10603 res = cache_generic_wrapper (cache, orig_method, def, ctx, orig_method);
10605 res = mono_mb_create_and_cache (cache, method,
10606 mb, sig, sig->param_count + 16);
10615 * the returned method calls 'method' unboxing the this argument
10618 mono_marshal_get_unbox_wrapper (MonoMethod *method)
10620 MonoMethodSignature *sig = mono_method_signature (method);
10622 MonoMethodBuilder *mb;
10626 cache = get_cache (&method->klass->image->unbox_wrapper_cache, mono_aligned_addr_hash, NULL);
10627 if ((res = mono_marshal_find_in_cache (cache, method)))
10630 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_UNBOX);
10632 g_assert (sig->hasthis);
10634 #ifndef DISABLE_JIT
10635 mono_mb_emit_ldarg (mb, 0);
10636 mono_mb_emit_icon (mb, sizeof (MonoObject));
10637 mono_mb_emit_byte (mb, CEE_ADD);
10638 for (i = 0; i < sig->param_count; ++i)
10639 mono_mb_emit_ldarg (mb, i + 1);
10640 mono_mb_emit_managed_call (mb, method, NULL);
10641 mono_mb_emit_byte (mb, CEE_RET);
10644 res = mono_mb_create_and_cache (cache, method,
10645 mb, sig, sig->param_count + 16);
10648 /* code_for (res); */
10654 STELEMREF_OBJECT, /*no check at all*/
10655 STELEMREF_SEALED_CLASS, /*check vtable->klass->element_type */
10656 STELEMREF_CLASS, /*only the klass->parents check*/
10657 STELEMREF_INTERFACE, /*interfaces without variant generic arguments. */
10658 STELEMREF_COMPLEX, /*arrays, MBR or types with variant generic args - go straight to icalls*/
10659 STELEMREF_KIND_COUNT
10662 static const char *strelemref_wrapper_name[] = {
10663 "object", "sealed_class", "class", "interface", "complex"
10667 is_monomorphic_array (MonoClass *klass)
10669 MonoClass *element_class;
10670 if (klass->rank != 1)
10673 element_class = klass->element_class;
10674 return (element_class->flags & TYPE_ATTRIBUTE_SEALED) || element_class->valuetype;
10678 get_virtual_stelemref_kind (MonoClass *element_class)
10680 if (element_class == mono_defaults.object_class)
10681 return STELEMREF_OBJECT;
10682 if (is_monomorphic_array (element_class))
10683 return STELEMREF_SEALED_CLASS;
10684 /* Compressed interface bitmaps require code that is quite complex, so don't optimize for it. */
10685 if (MONO_CLASS_IS_INTERFACE (element_class) && !mono_class_has_variant_generic_params (element_class))
10686 #ifdef COMPRESSED_INTERFACE_BITMAP
10687 return STELEMREF_COMPLEX;
10689 return STELEMREF_INTERFACE;
10691 /*Arrays are sealed but are covariant on their element type, We can't use any of the fast paths.*/
10692 if (mono_class_is_marshalbyref (element_class) || element_class->rank || mono_class_has_variant_generic_params (element_class))
10693 return STELEMREF_COMPLEX;
10694 if (element_class->flags & TYPE_ATTRIBUTE_SEALED)
10695 return STELEMREF_SEALED_CLASS;
10696 return STELEMREF_CLASS;
10699 #ifndef DISABLE_JIT
10702 load_array_element_address (MonoMethodBuilder *mb)
10704 mono_mb_emit_ldarg (mb, 0);
10705 mono_mb_emit_ldarg (mb, 1);
10706 mono_mb_emit_op (mb, CEE_LDELEMA, mono_defaults.object_class);
10710 load_array_class (MonoMethodBuilder *mb, int aklass)
10712 mono_mb_emit_ldarg (mb, 0);
10713 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
10714 mono_mb_emit_byte (mb, CEE_LDIND_I);
10715 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, klass));
10716 mono_mb_emit_byte (mb, CEE_LDIND_I);
10717 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, element_class));
10718 mono_mb_emit_byte (mb, CEE_LDIND_I);
10719 mono_mb_emit_stloc (mb, aklass);
10723 load_value_class (MonoMethodBuilder *mb, int vklass)
10725 mono_mb_emit_ldarg (mb, 2);
10726 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
10727 mono_mb_emit_byte (mb, CEE_LDIND_I);
10728 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, klass));
10729 mono_mb_emit_byte (mb, CEE_LDIND_I);
10730 mono_mb_emit_stloc (mb, vklass);
10736 record_slot_vstore (MonoObject *array, size_t index, MonoObject *value)
10738 char *name = mono_type_get_full_name (array->vtable->klass->element_class);
10739 printf ("slow vstore of %s\n", name);
10745 * The wrapper info for the wrapper is a WrapperInfo structure.
10748 * - Separate simple interfaces from variant interfaces or mbr types. This way we can avoid the icall for them.
10749 * - Emit a (new) mono bytecode that produces OP_COND_EXC_NE_UN to raise ArrayTypeMismatch
10750 * - Maybe mve some MonoClass field into the vtable to reduce the number of loads
10751 * - Add a case for arrays of arrays.
10754 get_virtual_stelemref_wrapper (int kind)
10756 static MonoMethod *cached_methods [STELEMREF_KIND_COUNT] = { NULL }; /*object iface sealed regular*/
10757 static MonoMethodSignature *signature;
10758 MonoMethodBuilder *mb;
10761 const char *param_names [16];
10762 guint32 b1, b2, b3;
10763 int aklass, vklass, vtable, uiid;
10764 int array_slot_addr;
10767 if (cached_methods [kind])
10768 return cached_methods [kind];
10770 name = g_strdup_printf ("virt_stelemref_%s", strelemref_wrapper_name [kind]);
10771 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_STELEMREF);
10775 MonoMethodSignature *sig = mono_metadata_signature_alloc (mono_defaults.corlib, 2);
10777 /* void this::stelemref (size_t idx, void* value) */
10778 sig->ret = &mono_defaults.void_class->byval_arg;
10779 sig->hasthis = TRUE;
10780 sig->params [0] = &mono_defaults.int_class->byval_arg; /* this is a natural sized int */
10781 sig->params [1] = &mono_defaults.object_class->byval_arg;
10785 #ifndef DISABLE_JIT
10786 param_names [0] = "index";
10787 param_names [1] = "value";
10788 mono_mb_set_param_names (mb, param_names);
10790 /*For now simply call plain old stelemref*/
10792 case STELEMREF_OBJECT:
10793 /* ldelema (implicit bound check) */
10794 load_array_element_address (mb);
10796 mono_mb_emit_ldarg (mb, 2);
10797 mono_mb_emit_byte (mb, CEE_STIND_REF);
10798 mono_mb_emit_byte (mb, CEE_RET);
10801 case STELEMREF_COMPLEX:
10803 <ldelema (bound check)>
10806 if (!mono_object_isinst (value, aklass))
10810 *array_slot_addr = value;
10813 throw new ArrayTypeMismatchException ();
10816 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10817 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
10821 /*Use this to debug/record stores that are going thru the slow path*/
10822 MonoMethodSignature *csig;
10823 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
10824 csig->ret = &mono_defaults.void_class->byval_arg;
10825 csig->params [0] = &mono_defaults.object_class->byval_arg;
10826 csig->params [1] = &mono_defaults.int_class->byval_arg; /* this is a natural sized int */
10827 csig->params [2] = &mono_defaults.object_class->byval_arg;
10828 mono_mb_emit_ldarg (mb, 0);
10829 mono_mb_emit_ldarg (mb, 1);
10830 mono_mb_emit_ldarg (mb, 2);
10831 mono_mb_emit_native_call (mb, csig, record_slot_vstore);
10835 /* ldelema (implicit bound check) */
10836 load_array_element_address (mb);
10837 mono_mb_emit_stloc (mb, array_slot_addr);
10839 /* if (!value) goto do_store */
10840 mono_mb_emit_ldarg (mb, 2);
10841 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
10843 /* aklass = array->vtable->klass->element_class */
10844 load_array_class (mb, aklass);
10846 /*if (mono_object_isinst (value, aklass)) */
10847 mono_mb_emit_ldarg (mb, 2);
10848 mono_mb_emit_ldloc (mb, aklass);
10849 mono_mb_emit_icall (mb, mono_object_isinst);
10850 b2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
10853 mono_mb_patch_branch (mb, b1);
10854 mono_mb_emit_ldloc (mb, array_slot_addr);
10855 mono_mb_emit_ldarg (mb, 2);
10856 mono_mb_emit_byte (mb, CEE_STIND_REF);
10857 mono_mb_emit_byte (mb, CEE_RET);
10859 /* do_exception: */
10860 mono_mb_patch_branch (mb, b2);
10862 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
10865 case STELEMREF_SEALED_CLASS:
10867 <ldelema (bound check)>
10871 aklass = array->vtable->klass->element_class;
10872 vklass = value->vtable->klass;
10874 if (vklass != aklass)
10878 *array_slot_addr = value;
10881 throw new ArrayTypeMismatchException ();
10883 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10884 vklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10885 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
10888 /* ldelema (implicit bound check) */
10889 load_array_element_address (mb);
10890 mono_mb_emit_stloc (mb, array_slot_addr);
10892 /* if (!value) goto do_store */
10893 mono_mb_emit_ldarg (mb, 2);
10894 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
10896 /* aklass = array->vtable->klass->element_class */
10897 load_array_class (mb, aklass);
10899 /* vklass = value->vtable->klass */
10900 load_value_class (mb, vklass);
10902 /*if (vklass != aklass) goto do_exception; */
10903 mono_mb_emit_ldloc (mb, aklass);
10904 mono_mb_emit_ldloc (mb, vklass);
10905 b2 = mono_mb_emit_branch (mb, CEE_BNE_UN);
10908 mono_mb_patch_branch (mb, b1);
10909 mono_mb_emit_ldloc (mb, array_slot_addr);
10910 mono_mb_emit_ldarg (mb, 2);
10911 mono_mb_emit_byte (mb, CEE_STIND_REF);
10912 mono_mb_emit_byte (mb, CEE_RET);
10914 /* do_exception: */
10915 mono_mb_patch_branch (mb, b2);
10916 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
10919 case STELEMREF_CLASS:
10922 <ldelema (bound check)>
10926 aklass = array->vtable->klass->element_class;
10927 vklass = value->vtable->klass;
10929 if (vklass->idepth < aklass->idepth)
10932 if (vklass->supertypes [aklass->idepth - 1] != aklass)
10936 *array_slot_addr = value;
10940 throw new ArrayTypeMismatchException ();
10942 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10943 vklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10944 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
10946 /* ldelema (implicit bound check) */
10947 load_array_element_address (mb);
10948 mono_mb_emit_stloc (mb, array_slot_addr);
10950 /* if (!value) goto do_store */
10951 mono_mb_emit_ldarg (mb, 2);
10952 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
10954 /* aklass = array->vtable->klass->element_class */
10955 load_array_class (mb, aklass);
10957 /* vklass = value->vtable->klass */
10958 load_value_class (mb, vklass);
10960 /*if (mono_object_isinst (value, aklass)) */
10961 mono_mb_emit_ldarg (mb, 2);
10962 mono_mb_emit_ldloc (mb, aklass);
10963 mono_mb_emit_icall (mb, mono_object_isinst);
10964 b2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
10966 /* if (vklass->idepth < aklass->idepth) goto failue */
10967 mono_mb_emit_ldloc (mb, vklass);
10968 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
10969 mono_mb_emit_byte (mb, CEE_LDIND_U2);
10971 mono_mb_emit_ldloc (mb, aklass);
10972 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
10973 mono_mb_emit_byte (mb, CEE_LDIND_U2);
10975 b2 = mono_mb_emit_branch (mb, CEE_BLT_UN);
10977 /* if (vklass->supertypes [aklass->idepth - 1] != aklass) goto failure */
10978 mono_mb_emit_ldloc (mb, vklass);
10979 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, supertypes));
10980 mono_mb_emit_byte (mb, CEE_LDIND_I);
10982 mono_mb_emit_ldloc (mb, aklass);
10983 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
10984 mono_mb_emit_byte (mb, CEE_LDIND_U2);
10985 mono_mb_emit_icon (mb, 1);
10986 mono_mb_emit_byte (mb, CEE_SUB);
10987 mono_mb_emit_icon (mb, sizeof (void*));
10988 mono_mb_emit_byte (mb, CEE_MUL);
10989 mono_mb_emit_byte (mb, CEE_ADD);
10990 mono_mb_emit_byte (mb, CEE_LDIND_I);
10992 mono_mb_emit_ldloc (mb, aklass);
10993 b3 = mono_mb_emit_branch (mb, CEE_BNE_UN);
10996 mono_mb_patch_branch (mb, b1);
10997 mono_mb_emit_ldloc (mb, array_slot_addr);
10998 mono_mb_emit_ldarg (mb, 2);
10999 mono_mb_emit_byte (mb, CEE_STIND_REF);
11000 mono_mb_emit_byte (mb, CEE_RET);
11002 /* do_exception: */
11003 mono_mb_patch_branch (mb, b2);
11004 mono_mb_patch_branch (mb, b3);
11006 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
11009 case STELEMREF_INTERFACE:
11016 klass = array->obj.vtable->klass->element_class;
11017 vt = value->vtable;
11018 uiid = klass->interface_id;
11019 if (uiid > vt->max_interface_id)
11021 if (!(vt->interface_bitmap [(uiid) >> 3] & (1 << ((uiid)&7))))
11024 mono_array_setref (array, index, value);
11027 mono_raise_exception (mono_get_exception_array_type_mismatch ());*/
11029 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
11030 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
11031 vtable = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
11032 uiid = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
11034 /* ldelema (implicit bound check) */
11035 load_array_element_address (mb);
11036 mono_mb_emit_stloc (mb, array_slot_addr);
11038 /* if (!value) goto do_store */
11039 mono_mb_emit_ldarg (mb, 2);
11040 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
11042 /* klass = array->vtable->klass->element_class */
11043 load_array_class (mb, aklass);
11045 /* vt = value->vtable */
11046 mono_mb_emit_ldarg (mb, 2);
11047 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
11048 mono_mb_emit_byte (mb, CEE_LDIND_I);
11049 mono_mb_emit_stloc (mb, vtable);
11051 /* uiid = klass->interface_id; */
11052 mono_mb_emit_ldloc (mb, aklass);
11053 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, interface_id));
11054 mono_mb_emit_byte (mb, CEE_LDIND_U2);
11055 mono_mb_emit_stloc (mb, uiid);
11057 /*if (uiid > vt->max_interface_id)*/
11058 mono_mb_emit_ldloc (mb, uiid);
11059 mono_mb_emit_ldloc (mb, vtable);
11060 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, max_interface_id));
11061 mono_mb_emit_byte (mb, CEE_LDIND_U2);
11062 b2 = mono_mb_emit_branch (mb, CEE_BGT_UN);
11064 /* if (!(vt->interface_bitmap [(uiid) >> 3] & (1 << ((uiid)&7)))) */
11066 /*vt->interface_bitmap*/
11067 mono_mb_emit_ldloc (mb, vtable);
11068 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, interface_bitmap));
11069 mono_mb_emit_byte (mb, CEE_LDIND_I);
11072 mono_mb_emit_ldloc (mb, uiid);
11073 mono_mb_emit_icon (mb, 3);
11074 mono_mb_emit_byte (mb, CEE_SHR_UN);
11076 /*vt->interface_bitmap [(uiid) >> 3]*/
11077 mono_mb_emit_byte (mb, CEE_ADD); /*interface_bitmap is a guint8 array*/
11078 mono_mb_emit_byte (mb, CEE_LDIND_U1);
11080 /*(1 << ((uiid)&7)))*/
11081 mono_mb_emit_icon (mb, 1);
11082 mono_mb_emit_ldloc (mb, uiid);
11083 mono_mb_emit_icon (mb, 7);
11084 mono_mb_emit_byte (mb, CEE_AND);
11085 mono_mb_emit_byte (mb, CEE_SHL);
11087 /*bitwise and the whole thing*/
11088 mono_mb_emit_byte (mb, CEE_AND);
11089 b3 = mono_mb_emit_branch (mb, CEE_BRFALSE);
11092 mono_mb_patch_branch (mb, b1);
11093 mono_mb_emit_ldloc (mb, array_slot_addr);
11094 mono_mb_emit_ldarg (mb, 2);
11095 mono_mb_emit_byte (mb, CEE_STIND_REF);
11096 mono_mb_emit_byte (mb, CEE_RET);
11098 /* do_exception: */
11099 mono_mb_patch_branch (mb, b2);
11100 mono_mb_patch_branch (mb, b3);
11101 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
11105 mono_mb_emit_ldarg (mb, 0);
11106 mono_mb_emit_ldarg (mb, 1);
11107 mono_mb_emit_ldarg (mb, 2);
11108 mono_mb_emit_managed_call (mb, mono_marshal_get_stelemref (), NULL);
11109 mono_mb_emit_byte (mb, CEE_RET);
11112 #endif /* DISABLE_JIT */
11114 res = mono_mb_create_method (mb, signature, 4);
11115 res->flags |= METHOD_ATTRIBUTE_VIRTUAL;
11117 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_VIRTUAL_STELEMREF);
11118 info->d.virtual_stelemref.kind = kind;
11119 mono_marshal_set_wrapper_info (res, info);
11121 mono_marshal_lock ();
11122 if (!cached_methods [kind]) {
11123 cached_methods [kind] = res;
11124 mono_marshal_unlock ();
11126 mono_marshal_unlock ();
11127 mono_free_method (res);
11131 return cached_methods [kind];
11135 mono_marshal_get_virtual_stelemref (MonoClass *array_class)
11139 g_assert (array_class->rank == 1);
11140 kind = get_virtual_stelemref_kind (array_class->element_class);
11142 return get_virtual_stelemref_wrapper (kind);
11146 mono_marshal_get_virtual_stelemref_wrappers (int *nwrappers)
11151 *nwrappers = STELEMREF_KIND_COUNT;
11152 res = g_malloc0 (STELEMREF_KIND_COUNT * sizeof (MonoMethod*));
11153 for (i = 0; i < STELEMREF_KIND_COUNT; ++i)
11154 res [i] = get_virtual_stelemref_wrapper (i);
11159 * The wrapper info for the wrapper is a WrapperInfo structure.
11162 mono_marshal_get_stelemref ()
11164 static MonoMethod* ret = NULL;
11165 MonoMethodSignature *sig;
11166 MonoMethodBuilder *mb;
11169 guint32 b1, b2, b3, b4;
11171 int aklass, vklass;
11172 int array_slot_addr;
11177 mb = mono_mb_new (mono_defaults.object_class, "stelemref", MONO_WRAPPER_STELEMREF);
11180 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
11182 /* void stelemref (void* array, int idx, void* value) */
11183 sig->ret = &mono_defaults.void_class->byval_arg;
11184 sig->params [0] = &mono_defaults.object_class->byval_arg;
11185 sig->params [1] = &mono_defaults.int_class->byval_arg; /* this is a natural sized int */
11186 sig->params [2] = &mono_defaults.object_class->byval_arg;
11188 #ifndef DISABLE_JIT
11189 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
11190 vklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
11191 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
11195 <ldelema (bound check)>
11199 aklass = array->vtable->klass->element_class;
11200 vklass = value->vtable->klass;
11202 if (vklass->idepth < aklass->idepth)
11205 if (vklass->supertypes [aklass->idepth - 1] != aklass)
11209 *array_slot_addr = value;
11213 if (mono_object_isinst (value, aklass))
11216 throw new ArrayTypeMismatchException ();
11219 /* ldelema (implicit bound check) */
11220 mono_mb_emit_ldarg (mb, 0);
11221 mono_mb_emit_ldarg (mb, 1);
11222 mono_mb_emit_op (mb, CEE_LDELEMA, mono_defaults.object_class);
11223 mono_mb_emit_stloc (mb, array_slot_addr);
11225 /* if (!value) goto do_store */
11226 mono_mb_emit_ldarg (mb, 2);
11227 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
11229 /* aklass = array->vtable->klass->element_class */
11230 mono_mb_emit_ldarg (mb, 0);
11231 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
11232 mono_mb_emit_byte (mb, CEE_LDIND_I);
11233 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, klass));
11234 mono_mb_emit_byte (mb, CEE_LDIND_I);
11235 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, element_class));
11236 mono_mb_emit_byte (mb, CEE_LDIND_I);
11237 mono_mb_emit_stloc (mb, aklass);
11239 /* vklass = value->vtable->klass */
11240 mono_mb_emit_ldarg (mb, 2);
11241 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
11242 mono_mb_emit_byte (mb, CEE_LDIND_I);
11243 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, klass));
11244 mono_mb_emit_byte (mb, CEE_LDIND_I);
11245 mono_mb_emit_stloc (mb, vklass);
11247 /* if (vklass->idepth < aklass->idepth) goto failue */
11248 mono_mb_emit_ldloc (mb, vklass);
11249 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
11250 mono_mb_emit_byte (mb, CEE_LDIND_U2);
11252 mono_mb_emit_ldloc (mb, aklass);
11253 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
11254 mono_mb_emit_byte (mb, CEE_LDIND_U2);
11256 b2 = mono_mb_emit_branch (mb, CEE_BLT_UN);
11258 /* if (vklass->supertypes [aklass->idepth - 1] != aklass) goto failure */
11259 mono_mb_emit_ldloc (mb, vklass);
11260 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, supertypes));
11261 mono_mb_emit_byte (mb, CEE_LDIND_I);
11263 mono_mb_emit_ldloc (mb, aklass);
11264 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
11265 mono_mb_emit_byte (mb, CEE_LDIND_U2);
11266 mono_mb_emit_icon (mb, 1);
11267 mono_mb_emit_byte (mb, CEE_SUB);
11268 mono_mb_emit_icon (mb, sizeof (void*));
11269 mono_mb_emit_byte (mb, CEE_MUL);
11270 mono_mb_emit_byte (mb, CEE_ADD);
11271 mono_mb_emit_byte (mb, CEE_LDIND_I);
11273 mono_mb_emit_ldloc (mb, aklass);
11275 b3 = mono_mb_emit_branch (mb, CEE_BNE_UN);
11277 copy_pos = mono_mb_get_label (mb);
11279 mono_mb_patch_branch (mb, b1);
11280 mono_mb_emit_ldloc (mb, array_slot_addr);
11281 mono_mb_emit_ldarg (mb, 2);
11282 mono_mb_emit_byte (mb, CEE_STIND_REF);
11284 mono_mb_emit_byte (mb, CEE_RET);
11287 mono_mb_patch_branch (mb, b2);
11288 mono_mb_patch_branch (mb, b3);
11290 mono_mb_emit_ldarg (mb, 2);
11291 mono_mb_emit_ldloc (mb, aklass);
11292 mono_mb_emit_icall (mb, mono_object_isinst);
11294 b4 = mono_mb_emit_branch (mb, CEE_BRTRUE);
11295 mono_mb_patch_addr (mb, b4, copy_pos - (b4 + 4));
11296 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
11298 mono_mb_emit_byte (mb, CEE_RET);
11301 ret = mono_mb_create_method (mb, sig, 4);
11304 info = mono_wrapper_info_create (ret, WRAPPER_SUBTYPE_NONE);
11305 mono_marshal_set_wrapper_info (ret, info);
11311 * mono_marshal_get_gsharedvt_in_wrapper:
11313 * This wrapper handles calls from normal code to gsharedvt code.
11315 * The wrapper info for the wrapper is a WrapperInfo structure.
11318 mono_marshal_get_gsharedvt_in_wrapper (void)
11320 static MonoMethod* ret = NULL;
11321 MonoMethodSignature *sig;
11322 MonoMethodBuilder *mb;
11328 mb = mono_mb_new (mono_defaults.object_class, "gsharedvt_in", MONO_WRAPPER_UNKNOWN);
11330 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
11331 sig->ret = &mono_defaults.void_class->byval_arg;
11333 #ifndef DISABLE_JIT
11335 * The body is generated by the JIT, we use a wrapper instead of a trampoline so EH works.
11337 mono_mb_emit_byte (mb, CEE_RET);
11340 ret = mono_mb_create_method (mb, sig, 4);
11343 info = mono_wrapper_info_create (ret, WRAPPER_SUBTYPE_GSHAREDVT_IN);
11344 mono_marshal_set_wrapper_info (ret, info);
11350 * mono_marshal_get_gsharedvt_out_wrapper:
11352 * This wrapper handles calls from gsharedvt code to normal code.
11354 * The wrapper info for the wrapper is a WrapperInfo structure.
11357 mono_marshal_get_gsharedvt_out_wrapper (void)
11359 static MonoMethod* ret = NULL;
11360 MonoMethodSignature *sig;
11361 MonoMethodBuilder *mb;
11367 mb = mono_mb_new (mono_defaults.object_class, "gsharedvt_out", MONO_WRAPPER_UNKNOWN);
11369 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
11370 sig->ret = &mono_defaults.void_class->byval_arg;
11372 #ifndef DISABLE_JIT
11374 * The body is generated by the JIT, we use a wrapper instead of a trampoline so EH works.
11376 mono_mb_emit_byte (mb, CEE_RET);
11379 ret = mono_mb_create_method (mb, sig, 4);
11382 info = mono_wrapper_info_create (ret, WRAPPER_SUBTYPE_GSHAREDVT_OUT);
11383 mono_marshal_set_wrapper_info (ret, info);
11391 MonoMethod *method;
11394 /* LOCKING: vars accessed under the marshal lock */
11395 static ArrayElemAddr *elem_addr_cache = NULL;
11396 static int elem_addr_cache_size = 0;
11397 static int elem_addr_cache_next = 0;
11400 * mono_marshal_get_array_address:
11401 * @rank: rank of the array type
11402 * @elem_size: size in bytes of an element of an array.
11404 * Returns a MonoMethd that implements the code to get the address
11405 * of an element in a multi-dimenasional array of @rank dimensions.
11406 * The returned method takes an array as the first argument and then
11407 * @rank indexes for the @rank dimensions.
11410 mono_marshal_get_array_address (int rank, int elem_size)
11413 MonoMethodBuilder *mb;
11414 MonoMethodSignature *sig;
11415 int i, bounds, ind, realidx;
11416 int branch_pos, *branch_positions;
11420 mono_marshal_lock ();
11421 for (i = 0; i < elem_addr_cache_next; ++i) {
11422 if (elem_addr_cache [i].rank == rank && elem_addr_cache [i].elem_size == elem_size) {
11423 ret = elem_addr_cache [i].method;
11427 mono_marshal_unlock ();
11431 branch_positions = g_new0 (int, rank);
11433 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1 + rank);
11435 /* void* address (void* array, int idx0, int idx1, int idx2, ...) */
11436 sig->ret = &mono_defaults.int_class->byval_arg;
11437 sig->params [0] = &mono_defaults.object_class->byval_arg;
11438 for (i = 0; i < rank; ++i) {
11439 sig->params [i + 1] = &mono_defaults.int32_class->byval_arg;
11442 mb = mono_mb_new (mono_defaults.object_class, "ElementAddr", MONO_WRAPPER_MANAGED_TO_MANAGED);
11444 #ifndef DISABLE_JIT
11445 bounds = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
11446 ind = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
11447 realidx = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
11449 /* bounds = array->bounds; */
11450 mono_mb_emit_ldarg (mb, 0);
11451 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoArray, bounds));
11452 mono_mb_emit_byte (mb, CEE_LDIND_I);
11453 mono_mb_emit_stloc (mb, bounds);
11455 /* ind is the overall element index, realidx is the partial index in a single dimension */
11456 /* ind = idx0 - bounds [0].lower_bound */
11457 mono_mb_emit_ldarg (mb, 1);
11458 mono_mb_emit_ldloc (mb, bounds);
11459 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArrayBounds, lower_bound));
11460 mono_mb_emit_byte (mb, CEE_ADD);
11461 mono_mb_emit_byte (mb, CEE_LDIND_I4);
11462 mono_mb_emit_byte (mb, CEE_SUB);
11463 mono_mb_emit_stloc (mb, ind);
11464 /* if (ind >= bounds [0].length) goto exeception; */
11465 mono_mb_emit_ldloc (mb, ind);
11466 mono_mb_emit_ldloc (mb, bounds);
11467 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArrayBounds, length));
11468 mono_mb_emit_byte (mb, CEE_ADD);
11469 mono_mb_emit_byte (mb, CEE_LDIND_I4);
11470 /* note that we use unsigned comparison */
11471 branch_pos = mono_mb_emit_branch (mb, CEE_BGE_UN);
11473 /* For large ranks (> 4?) use a loop n IL later to reduce code size.
11474 * We could also decide to ignore the passed elem_size and get it
11475 * from the array object, to reduce the number of methods we generate:
11476 * the additional cost is 3 memory loads and a non-immediate mul.
11478 for (i = 1; i < rank; ++i) {
11479 /* realidx = idxi - bounds [i].lower_bound */
11480 mono_mb_emit_ldarg (mb, 1 + i);
11481 mono_mb_emit_ldloc (mb, bounds);
11482 mono_mb_emit_icon (mb, (i * sizeof (MonoArrayBounds)) + G_STRUCT_OFFSET (MonoArrayBounds, lower_bound));
11483 mono_mb_emit_byte (mb, CEE_ADD);
11484 mono_mb_emit_byte (mb, CEE_LDIND_I4);
11485 mono_mb_emit_byte (mb, CEE_SUB);
11486 mono_mb_emit_stloc (mb, realidx);
11487 /* if (realidx >= bounds [i].length) goto exeception; */
11488 mono_mb_emit_ldloc (mb, realidx);
11489 mono_mb_emit_ldloc (mb, bounds);
11490 mono_mb_emit_icon (mb, (i * sizeof (MonoArrayBounds)) + G_STRUCT_OFFSET (MonoArrayBounds, length));
11491 mono_mb_emit_byte (mb, CEE_ADD);
11492 mono_mb_emit_byte (mb, CEE_LDIND_I4);
11493 branch_positions [i] = mono_mb_emit_branch (mb, CEE_BGE_UN);
11494 /* ind = ind * bounds [i].length + realidx */
11495 mono_mb_emit_ldloc (mb, ind);
11496 mono_mb_emit_ldloc (mb, bounds);
11497 mono_mb_emit_icon (mb, (i * sizeof (MonoArrayBounds)) + G_STRUCT_OFFSET (MonoArrayBounds, length));
11498 mono_mb_emit_byte (mb, CEE_ADD);
11499 mono_mb_emit_byte (mb, CEE_LDIND_I4);
11500 mono_mb_emit_byte (mb, CEE_MUL);
11501 mono_mb_emit_ldloc (mb, realidx);
11502 mono_mb_emit_byte (mb, CEE_ADD);
11503 mono_mb_emit_stloc (mb, ind);
11506 /* return array->vector + ind * element_size */
11507 mono_mb_emit_ldarg (mb, 0);
11508 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoArray, vector));
11509 mono_mb_emit_ldloc (mb, ind);
11510 mono_mb_emit_icon (mb, elem_size);
11511 mono_mb_emit_byte (mb, CEE_MUL);
11512 mono_mb_emit_byte (mb, CEE_ADD);
11513 mono_mb_emit_byte (mb, CEE_RET);
11515 /* patch the branches to get here and throw */
11516 for (i = 1; i < rank; ++i) {
11517 mono_mb_patch_branch (mb, branch_positions [i]);
11519 mono_mb_patch_branch (mb, branch_pos);
11520 /* throw exception */
11521 mono_mb_emit_exception (mb, "IndexOutOfRangeException", NULL);
11523 g_free (branch_positions);
11524 #endif /* DISABLE_JIT */
11526 ret = mono_mb_create_method (mb, sig, 4);
11529 /* cache the result */
11531 mono_marshal_lock ();
11532 for (i = 0; i < elem_addr_cache_next; ++i) {
11533 if (elem_addr_cache [i].rank == rank && elem_addr_cache [i].elem_size == elem_size) {
11534 /* FIXME: free ret */
11535 ret = elem_addr_cache [i].method;
11543 if (elem_addr_cache_next >= elem_addr_cache_size) {
11544 int new_size = elem_addr_cache_size + 4;
11545 ArrayElemAddr *new_array = g_new0 (ArrayElemAddr, new_size);
11546 memcpy (new_array, elem_addr_cache, elem_addr_cache_size * sizeof (ArrayElemAddr));
11547 g_free (elem_addr_cache);
11548 elem_addr_cache = new_array;
11549 elem_addr_cache_size = new_size;
11551 elem_addr_cache [elem_addr_cache_next].rank = rank;
11552 elem_addr_cache [elem_addr_cache_next].elem_size = elem_size;
11553 elem_addr_cache [elem_addr_cache_next].method = ret;
11554 elem_addr_cache_next ++;
11556 info = mono_wrapper_info_create (ret, WRAPPER_SUBTYPE_ELEMENT_ADDR);
11557 info->d.element_addr.rank = rank;
11558 info->d.element_addr.elem_size = elem_size;
11559 mono_marshal_set_wrapper_info (ret, info);
11561 mono_marshal_unlock ();
11566 * mono_marshal_get_array_accessor_wrapper:
11568 * Return a wrapper which just calls METHOD, which should be an Array Get/Set/Address method.
11571 mono_marshal_get_array_accessor_wrapper (MonoMethod *method)
11573 MonoMethodSignature *sig;
11574 MonoMethodBuilder *mb;
11578 MonoGenericContext *ctx = NULL;
11579 MonoMethod *orig_method = NULL;
11580 MonoGenericContainer *container = NULL;
11584 * These wrappers are needed to avoid the JIT replacing the calls to these methods with intrinsics
11585 * inside runtime invoke wrappers, thereby making the wrappers not unshareable.
11586 * FIXME: Use generic methods.
11593 g_assert_not_reached ();
11595 cache = get_cache (&method->klass->image->array_accessor_cache, mono_aligned_addr_hash, NULL);
11596 if ((res = mono_marshal_find_in_cache (cache, method)))
11600 sig = signature_dup (method->klass->image, mono_method_signature (method));
11603 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_UNKNOWN);
11605 #ifndef DISABLE_JIT
11606 /* Call the method */
11608 mono_mb_emit_ldarg (mb, 0);
11609 for (i = 0; i < sig->param_count; i++)
11610 mono_mb_emit_ldarg (mb, i + (sig->hasthis == TRUE));
11613 mono_mb_emit_managed_call (mb, mono_class_inflate_generic_method (method, &container->context), NULL);
11615 mono_mb_emit_managed_call (mb, method, NULL);
11616 mono_mb_emit_byte (mb, CEE_RET);
11621 def = mono_mb_create_and_cache (cache, method, mb, sig, sig->param_count + 16);
11622 res = cache_generic_wrapper (cache, orig_method, def, ctx, orig_method);
11624 res = mono_mb_create_and_cache (cache, method,
11625 mb, sig, sig->param_count + 16);
11626 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_ARRAY_ACCESSOR);
11627 info->d.array_accessor.method = method;
11628 mono_marshal_set_wrapper_info (res, info);
11636 mono_marshal_alloc (gulong size)
11641 res = CoTaskMemAlloc (size);
11643 res = g_try_malloc ((gulong)size);
11645 mono_gc_out_of_memory ((gulong)size);
11651 mono_marshal_free (gpointer ptr)
11654 CoTaskMemFree (ptr);
11661 mono_marshal_free_array (gpointer *ptr, int size)
11668 for (i = 0; i < size; i++)
11674 mono_marshal_string_to_utf16 (MonoString *s)
11676 return s ? mono_string_chars (s) : NULL;
11680 mono_marshal_string_to_utf16_copy (MonoString *s)
11685 gunichar2 *res = mono_marshal_alloc ((mono_string_length (s) * 2) + 2);
11686 memcpy (res, mono_string_chars (s), mono_string_length (s) * 2);
11687 res [mono_string_length (s)] = 0;
11693 * mono_marshal_set_last_error:
11695 * This function is invoked to set the last error value from a P/Invoke call
11696 * which has SetLastError set.
11699 mono_marshal_set_last_error (void)
11702 mono_native_tls_set_value (last_error_tls_id, GINT_TO_POINTER (GetLastError ()));
11704 mono_native_tls_set_value (last_error_tls_id, GINT_TO_POINTER (errno));
11709 mono_marshal_set_last_error_windows (int error)
11712 mono_native_tls_set_value (last_error_tls_id, GINT_TO_POINTER (error));
11717 ves_icall_System_Runtime_InteropServices_Marshal_copy_to_unmanaged (MonoArray *src, gint32 start_index,
11718 gpointer dest, gint32 length)
11723 MONO_ARCH_SAVE_REGS;
11725 MONO_CHECK_ARG_NULL (src);
11726 MONO_CHECK_ARG_NULL (dest);
11728 if (src->obj.vtable->klass->rank != 1)
11729 mono_raise_exception (mono_get_exception_argument ("array", "array is multi-dimensional"));
11730 if (start_index < 0)
11731 mono_raise_exception (mono_get_exception_argument ("startIndex", "Must be >= 0"));
11733 mono_raise_exception (mono_get_exception_argument ("length", "Must be >= 0"));
11734 if (start_index + length > mono_array_length (src))
11735 mono_raise_exception (mono_get_exception_argument ("length", "start_index + length > array length"));
11737 element_size = mono_array_element_size (src->obj.vtable->klass);
11739 /* no references should be involved */
11740 source_addr = mono_array_addr_with_size_fast (src, element_size, start_index);
11742 memcpy (dest, source_addr, length * element_size);
11746 ves_icall_System_Runtime_InteropServices_Marshal_copy_from_unmanaged (gpointer src, gint32 start_index,
11747 MonoArray *dest, gint32 length)
11752 MONO_ARCH_SAVE_REGS;
11754 MONO_CHECK_ARG_NULL (src);
11755 MONO_CHECK_ARG_NULL (dest);
11757 if (dest->obj.vtable->klass->rank != 1)
11758 mono_raise_exception (mono_get_exception_argument ("array", "array is multi-dimensional"));
11759 if (start_index < 0)
11760 mono_raise_exception (mono_get_exception_argument ("startIndex", "Must be >= 0"));
11762 mono_raise_exception (mono_get_exception_argument ("length", "Must be >= 0"));
11763 if (start_index + length > mono_array_length (dest))
11764 mono_raise_exception (mono_get_exception_argument ("length", "start_index + length > array length"));
11766 element_size = mono_array_element_size (dest->obj.vtable->klass);
11768 /* no references should be involved */
11769 dest_addr = mono_array_addr_with_size_fast (dest, element_size, start_index);
11771 memcpy (dest_addr, src, length * element_size);
11775 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringAnsi (char *ptr)
11777 MONO_ARCH_SAVE_REGS;
11782 return mono_string_new (mono_domain_get (), ptr);
11786 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringAnsi_len (char *ptr, gint32 len)
11788 MONO_ARCH_SAVE_REGS;
11791 mono_raise_exception (mono_get_exception_argument_null ("ptr"));
11792 g_assert_not_reached ();
11795 return mono_string_new_len (mono_domain_get (), ptr, len);
11800 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringUni (guint16 *ptr)
11802 MonoDomain *domain = mono_domain_get ();
11806 MONO_ARCH_SAVE_REGS;
11814 return mono_string_new_utf16 (domain, ptr, len);
11818 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringUni_len (guint16 *ptr, gint32 len)
11820 MonoDomain *domain = mono_domain_get ();
11822 MONO_ARCH_SAVE_REGS;
11825 mono_raise_exception (mono_get_exception_argument_null ("ptr"));
11826 g_assert_not_reached ();
11829 return mono_string_new_utf16 (domain, ptr, len);
11834 ves_icall_System_Runtime_InteropServices_Marshal_GetLastWin32Error (void)
11836 MONO_ARCH_SAVE_REGS;
11838 return (GPOINTER_TO_INT (mono_native_tls_get_value (last_error_tls_id)));
11842 ves_icall_System_Runtime_InteropServices_Marshal_SizeOf (MonoReflectionType *rtype)
11848 MONO_ARCH_SAVE_REGS;
11850 MONO_CHECK_ARG_NULL (rtype);
11852 type = rtype->type;
11853 klass = mono_class_from_mono_type (type);
11854 if (!mono_class_init (klass))
11855 mono_raise_exception (mono_class_get_exception_for_failure (klass));
11857 layout = (klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK);
11859 if (type->type == MONO_TYPE_PTR || type->type == MONO_TYPE_FNPTR) {
11860 return sizeof (gpointer);
11861 } else if (layout == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
11863 MonoException *exc;
11865 msg = g_strdup_printf ("Type %s cannot be marshaled as an unmanaged structure.", klass->name);
11866 exc = mono_get_exception_argument ("t", msg);
11868 mono_raise_exception (exc);
11872 return mono_class_native_size (klass, NULL);
11876 ves_icall_System_Runtime_InteropServices_Marshal_StructureToPtr (MonoObject *obj, gpointer dst, MonoBoolean delete_old)
11878 MonoMethod *method;
11881 MONO_ARCH_SAVE_REGS;
11883 MONO_CHECK_ARG_NULL (obj);
11884 MONO_CHECK_ARG_NULL (dst);
11886 method = mono_marshal_get_struct_to_ptr (obj->vtable->klass);
11890 pa [2] = &delete_old;
11892 mono_runtime_invoke (method, NULL, pa, NULL);
11896 ptr_to_structure (gpointer src, MonoObject *dst)
11898 MonoMethod *method;
11901 method = mono_marshal_get_ptr_to_struct (dst->vtable->klass);
11906 mono_runtime_invoke (method, NULL, pa, NULL);
11910 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure (gpointer src, MonoObject *dst)
11914 MONO_ARCH_SAVE_REGS;
11916 MONO_CHECK_ARG_NULL (src);
11917 MONO_CHECK_ARG_NULL (dst);
11919 t = mono_type_get_underlying_type (mono_class_get_type (dst->vtable->klass));
11921 if (t->type == MONO_TYPE_VALUETYPE) {
11922 MonoException *exc;
11925 tmp = g_strdup_printf ("Destination is a boxed value type.");
11926 exc = mono_get_exception_argument ("dst", tmp);
11929 mono_raise_exception (exc);
11933 ptr_to_structure (src, dst);
11937 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure_type (gpointer src, MonoReflectionType *type)
11940 MonoDomain *domain = mono_domain_get ();
11943 MONO_ARCH_SAVE_REGS;
11947 MONO_CHECK_ARG_NULL (type);
11949 klass = mono_class_from_mono_type (type->type);
11950 if (!mono_class_init (klass))
11951 mono_raise_exception (mono_class_get_exception_for_failure (klass));
11953 res = mono_object_new (domain, klass);
11955 ptr_to_structure (src, res);
11961 ves_icall_System_Runtime_InteropServices_Marshal_OffsetOf (MonoReflectionType *type, MonoString *field_name)
11963 MonoMarshalType *info;
11966 int match_index = -1;
11968 MONO_ARCH_SAVE_REGS;
11970 MONO_CHECK_ARG_NULL (type);
11971 MONO_CHECK_ARG_NULL (field_name);
11973 fname = mono_string_to_utf8 (field_name);
11974 klass = mono_class_from_mono_type (type->type);
11975 if (!mono_class_init (klass))
11976 mono_raise_exception (mono_class_get_exception_for_failure (klass));
11978 while (klass && match_index == -1) {
11979 MonoClassField* field;
11981 gpointer iter = NULL;
11982 while ((field = mono_class_get_fields (klass, &iter))) {
11983 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
11985 if (!strcmp (fname, mono_field_get_name (field))) {
11992 if (match_index == -1)
11993 klass = klass->parent;
11998 if(match_index == -1) {
11999 MonoException* exc;
12002 /* Get back original class instance */
12003 klass = mono_class_from_mono_type (type->type);
12005 tmp = g_strdup_printf ("Field passed in is not a marshaled member of the type %s", klass->name);
12006 exc = mono_get_exception_argument ("fieldName", tmp);
12009 mono_raise_exception ((MonoException*)exc);
12012 info = mono_marshal_load_type_info (klass);
12013 return info->fields [match_index].offset;
12017 ves_icall_System_Runtime_InteropServices_Marshal_StringToHGlobalAnsi (MonoString *string)
12022 tres = mono_string_to_utf8 (string);
12026 len = strlen (tres) + 1;
12027 ret = ves_icall_System_Runtime_InteropServices_Marshal_AllocHGlobal (len);
12028 memcpy (ret, tres, len);
12033 return mono_string_to_utf8 (string);
12038 ves_icall_System_Runtime_InteropServices_Marshal_StringToHGlobalUni (MonoString *string)
12040 MONO_ARCH_SAVE_REGS;
12042 if (string == NULL)
12045 #ifdef TARGET_WIN32
12046 gunichar2 *res = ves_icall_System_Runtime_InteropServices_Marshal_AllocHGlobal
12047 ((mono_string_length (string) + 1) * 2);
12049 gunichar2 *res = g_malloc ((mono_string_length (string) + 1) * 2);
12051 memcpy (res, mono_string_chars (string), mono_string_length (string) * 2);
12052 res [mono_string_length (string)] = 0;
12058 mono_struct_delete_old (MonoClass *klass, char *ptr)
12060 MonoMarshalType *info;
12063 info = mono_marshal_load_type_info (klass);
12065 for (i = 0; i < info->num_fields; i++) {
12066 MonoMarshalNative ntype;
12067 MonoMarshalConv conv;
12068 MonoType *ftype = info->fields [i].field->type;
12071 if (ftype->attrs & FIELD_ATTRIBUTE_STATIC)
12074 ntype = mono_type_to_unmanaged (ftype, info->fields [i].mspec, TRUE,
12075 klass->unicode, &conv);
12077 cpos = ptr + info->fields [i].offset;
12080 case MONO_MARSHAL_CONV_NONE:
12081 if (MONO_TYPE_ISSTRUCT (ftype)) {
12082 mono_struct_delete_old (ftype->data.klass, cpos);
12086 case MONO_MARSHAL_CONV_STR_LPWSTR:
12087 /* We assume this field points inside a MonoString */
12089 case MONO_MARSHAL_CONV_STR_LPTSTR:
12090 #ifdef TARGET_WIN32
12091 /* We assume this field points inside a MonoString
12095 case MONO_MARSHAL_CONV_STR_LPSTR:
12096 case MONO_MARSHAL_CONV_STR_BSTR:
12097 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
12098 case MONO_MARSHAL_CONV_STR_TBSTR:
12099 mono_marshal_free (*(gpointer *)cpos);
12109 ves_icall_System_Runtime_InteropServices_Marshal_DestroyStructure (gpointer src, MonoReflectionType *type)
12113 MONO_ARCH_SAVE_REGS;
12115 MONO_CHECK_ARG_NULL (src);
12116 MONO_CHECK_ARG_NULL (type);
12118 klass = mono_class_from_mono_type (type->type);
12119 if (!mono_class_init (klass))
12120 mono_raise_exception (mono_class_get_exception_for_failure (klass));
12122 mono_struct_delete_old (klass, (char *)src);
12126 ves_icall_System_Runtime_InteropServices_Marshal_AllocHGlobal (int size)
12130 MONO_ARCH_SAVE_REGS;
12132 if ((gulong)size == 0)
12133 /* This returns a valid pointer for size 0 on MS.NET */
12137 res = GlobalAlloc (GMEM_FIXED, (gulong)size);
12139 res = g_try_malloc ((gulong)size);
12142 mono_gc_out_of_memory ((gulong)size);
12148 ves_icall_System_Runtime_InteropServices_Marshal_ReAllocHGlobal (gpointer ptr, int size)
12153 mono_gc_out_of_memory ((gulong)size);
12158 res = GlobalReAlloc (ptr, (gulong)size, GMEM_MOVEABLE);
12160 res = g_try_realloc (ptr, (gulong)size);
12163 mono_gc_out_of_memory ((gulong)size);
12169 ves_icall_System_Runtime_InteropServices_Marshal_FreeHGlobal (void *ptr)
12171 MONO_ARCH_SAVE_REGS;
12181 ves_icall_System_Runtime_InteropServices_Marshal_AllocCoTaskMem (int size)
12183 MONO_ARCH_SAVE_REGS;
12186 return CoTaskMemAlloc (size);
12188 return g_try_malloc ((gulong)size);
12193 ves_icall_System_Runtime_InteropServices_Marshal_FreeCoTaskMem (void *ptr)
12195 MONO_ARCH_SAVE_REGS;
12198 CoTaskMemFree (ptr);
12205 ves_icall_System_Runtime_InteropServices_Marshal_ReAllocCoTaskMem (gpointer ptr, int size)
12207 MONO_ARCH_SAVE_REGS;
12210 return CoTaskMemRealloc (ptr, size);
12212 return g_try_realloc (ptr, (gulong)size);
12217 ves_icall_System_Runtime_InteropServices_Marshal_UnsafeAddrOfPinnedArrayElement (MonoArray *arrayobj, int index)
12219 return mono_array_addr_with_size_fast (arrayobj, mono_array_element_size (arrayobj->obj.vtable->klass), index);
12223 ves_icall_System_Runtime_InteropServices_Marshal_GetDelegateForFunctionPointerInternal (void *ftn, MonoReflectionType *type)
12225 MonoClass *klass = mono_type_get_class (type->type);
12226 if (!mono_class_init (klass))
12227 mono_raise_exception (mono_class_get_exception_for_failure (klass));
12229 return mono_ftnptr_to_delegate (klass, ftn);
12233 * mono_marshal_is_loading_type_info:
12235 * Return whenever mono_marshal_load_type_info () is being executed for KLASS by this
12239 mono_marshal_is_loading_type_info (MonoClass *klass)
12241 GSList *loads_list = mono_native_tls_get_value (load_type_info_tls_id);
12243 return g_slist_find (loads_list, klass) != NULL;
12247 * mono_marshal_load_type_info:
12249 * Initialize klass->marshal_info using information from metadata. This function can
12250 * recursively call itself, and the caller is responsible to avoid that by calling
12251 * mono_marshal_is_loading_type_info () beforehand.
12253 * LOCKING: Acquires the loader lock.
12256 mono_marshal_load_type_info (MonoClass* klass)
12259 guint32 native_size = 0, min_align = 1, packing;
12260 MonoMarshalType *info;
12261 MonoClassField* field;
12264 GSList *loads_list;
12266 g_assert (klass != NULL);
12268 if (klass->marshal_info)
12269 return klass->marshal_info;
12271 if (!klass->inited)
12272 mono_class_init (klass);
12274 if (klass->marshal_info)
12275 return klass->marshal_info;
12278 * This function can recursively call itself, so we keep the list of classes which are
12279 * under initialization in a TLS list.
12281 g_assert (!mono_marshal_is_loading_type_info (klass));
12282 loads_list = mono_native_tls_get_value (load_type_info_tls_id);
12283 loads_list = g_slist_prepend (loads_list, klass);
12284 mono_native_tls_set_value (load_type_info_tls_id, loads_list);
12287 while ((field = mono_class_get_fields (klass, &iter))) {
12288 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
12290 if (mono_field_is_deleted (field))
12295 layout = klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK;
12297 /* The mempool is protected by the loader lock */
12298 info = mono_image_alloc0 (klass->image, MONO_SIZEOF_MARSHAL_TYPE + sizeof (MonoMarshalField) * count);
12299 info->num_fields = count;
12301 /* Try to find a size for this type in metadata */
12302 mono_metadata_packing_from_typedef (klass->image, klass->type_token, NULL, &native_size);
12304 if (klass->parent) {
12305 int parent_size = mono_class_native_size (klass->parent, NULL);
12307 /* Add parent size to real size */
12308 native_size += parent_size;
12309 info->native_size = parent_size;
12312 packing = klass->packing_size ? klass->packing_size : 8;
12315 while ((field = mono_class_get_fields (klass, &iter))) {
12319 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
12322 if (mono_field_is_deleted (field))
12324 if (field->type->attrs & FIELD_ATTRIBUTE_HAS_FIELD_MARSHAL)
12325 mono_metadata_field_info_with_mempool (klass->image, mono_metadata_token_index (mono_class_get_field_token (field)) - 1,
12326 NULL, NULL, &info->fields [j].mspec);
12328 info->fields [j].field = field;
12330 if ((mono_class_num_fields (klass) == 1) && (klass->instance_size == sizeof (MonoObject)) &&
12331 (strcmp (mono_field_get_name (field), "$PRIVATE$") == 0)) {
12332 /* This field is a hack inserted by MCS to empty structures */
12337 case TYPE_ATTRIBUTE_AUTO_LAYOUT:
12338 case TYPE_ATTRIBUTE_SEQUENTIAL_LAYOUT:
12339 size = mono_marshal_type_size (field->type, info->fields [j].mspec,
12340 &align, TRUE, klass->unicode);
12341 align = klass->packing_size ? MIN (klass->packing_size, align): align;
12342 min_align = MAX (align, min_align);
12343 info->fields [j].offset = info->native_size;
12344 info->fields [j].offset += align - 1;
12345 info->fields [j].offset &= ~(align - 1);
12346 info->native_size = info->fields [j].offset + size;
12348 case TYPE_ATTRIBUTE_EXPLICIT_LAYOUT:
12349 size = mono_marshal_type_size (field->type, info->fields [j].mspec,
12350 &align, TRUE, klass->unicode);
12351 min_align = MAX (align, min_align);
12352 info->fields [j].offset = field->offset - sizeof (MonoObject);
12353 info->native_size = MAX (info->native_size, info->fields [j].offset + size);
12359 if (layout != TYPE_ATTRIBUTE_AUTO_LAYOUT) {
12360 info->native_size = MAX (native_size, info->native_size);
12362 * If the provided Size is equal or larger than the calculated size, and there
12363 * was no Pack attribute, we set min_align to 1 to avoid native_size being increased
12365 if (layout == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) {
12366 if (native_size && native_size == info->native_size && klass->packing_size == 0)
12369 min_align = MIN (min_align, packing);
12373 if (info->native_size & (min_align - 1)) {
12374 info->native_size += min_align - 1;
12375 info->native_size &= ~(min_align - 1);
12378 info->min_align = min_align;
12380 /* Update the class's blittable info, if the layouts don't match */
12381 if (info->native_size != mono_class_value_size (klass, NULL))
12382 klass->blittable = FALSE;
12384 /* If this is an array type, ensure that we have element info */
12385 if (klass->rank && !mono_marshal_is_loading_type_info (klass->element_class)) {
12386 mono_marshal_load_type_info (klass->element_class);
12389 loads_list = mono_native_tls_get_value (load_type_info_tls_id);
12390 loads_list = g_slist_remove (loads_list, klass);
12391 mono_native_tls_set_value (load_type_info_tls_id, loads_list);
12393 mono_marshal_lock ();
12394 if (!klass->marshal_info) {
12395 /*We do double-checking locking on marshal_info */
12396 mono_memory_barrier ();
12397 klass->marshal_info = info;
12399 mono_marshal_unlock ();
12401 return klass->marshal_info;
12405 * mono_class_native_size:
12408 * Returns: the native size of an object instance (when marshaled
12409 * to unmanaged code)
12412 mono_class_native_size (MonoClass *klass, guint32 *align)
12414 if (!klass->marshal_info) {
12415 if (mono_marshal_is_loading_type_info (klass)) {
12420 mono_marshal_load_type_info (klass);
12425 *align = klass->marshal_info->min_align;
12427 return klass->marshal_info->native_size;
12430 /* __alignof__ returns the preferred alignment of values not the actual alignment used by
12431 the compiler so is wrong e.g. for Linux where doubles are aligned on a 4 byte boundary
12432 but __alignof__ returns 8 - using G_STRUCT_OFFSET works better */
12433 #define ALIGNMENT(type) G_STRUCT_OFFSET(struct { char c; type x; }, x)
12436 * mono_type_native_stack_size:
12437 * @t: the type to return the size it uses on the stack
12439 * Returns: the number of bytes required to hold an instance of this
12440 * type on the native stack
12443 mono_type_native_stack_size (MonoType *t, guint32 *align)
12447 g_assert (t != NULL);
12453 *align = sizeof (gpointer);
12454 return sizeof (gpointer);
12458 case MONO_TYPE_BOOLEAN:
12459 case MONO_TYPE_CHAR:
12470 case MONO_TYPE_STRING:
12471 case MONO_TYPE_OBJECT:
12472 case MONO_TYPE_CLASS:
12473 case MONO_TYPE_SZARRAY:
12474 case MONO_TYPE_PTR:
12475 case MONO_TYPE_FNPTR:
12476 case MONO_TYPE_ARRAY:
12477 *align = sizeof (gpointer);
12478 return sizeof (gpointer);
12483 *align = ALIGNMENT (gdouble);
12487 *align = ALIGNMENT (glong);
12489 case MONO_TYPE_GENERICINST:
12490 if (!mono_type_generic_inst_is_valuetype (t)) {
12491 *align = sizeof (gpointer);
12492 return sizeof (gpointer);
12495 case MONO_TYPE_TYPEDBYREF:
12496 case MONO_TYPE_VALUETYPE: {
12498 MonoClass *klass = mono_class_from_mono_type (t);
12500 if (klass->enumtype)
12501 return mono_type_native_stack_size (mono_class_enum_basetype (klass), align);
12503 size = mono_class_native_size (klass, align);
12504 *align = *align + 3;
12514 g_error ("type 0x%02x unknown", t->type);
12520 mono_marshal_type_size (MonoType *type, MonoMarshalSpec *mspec, guint32 *align,
12521 gboolean as_field, gboolean unicode)
12523 MonoMarshalNative native_type = mono_type_to_unmanaged (type, mspec, as_field, unicode, NULL);
12526 switch (native_type) {
12527 case MONO_NATIVE_BOOLEAN:
12530 case MONO_NATIVE_I1:
12531 case MONO_NATIVE_U1:
12534 case MONO_NATIVE_I2:
12535 case MONO_NATIVE_U2:
12536 case MONO_NATIVE_VARIANTBOOL:
12539 case MONO_NATIVE_I4:
12540 case MONO_NATIVE_U4:
12541 case MONO_NATIVE_ERROR:
12544 case MONO_NATIVE_I8:
12545 case MONO_NATIVE_U8:
12546 *align = ALIGNMENT(guint64);
12548 case MONO_NATIVE_R4:
12551 case MONO_NATIVE_R8:
12552 *align = ALIGNMENT(double);
12554 case MONO_NATIVE_INT:
12555 case MONO_NATIVE_UINT:
12556 case MONO_NATIVE_LPSTR:
12557 case MONO_NATIVE_LPWSTR:
12558 case MONO_NATIVE_LPTSTR:
12559 case MONO_NATIVE_BSTR:
12560 case MONO_NATIVE_ANSIBSTR:
12561 case MONO_NATIVE_TBSTR:
12562 case MONO_NATIVE_LPARRAY:
12563 case MONO_NATIVE_SAFEARRAY:
12564 case MONO_NATIVE_IUNKNOWN:
12565 case MONO_NATIVE_IDISPATCH:
12566 case MONO_NATIVE_INTERFACE:
12567 case MONO_NATIVE_ASANY:
12568 case MONO_NATIVE_FUNC:
12569 case MONO_NATIVE_LPSTRUCT:
12570 *align = ALIGNMENT(gpointer);
12571 return sizeof (gpointer);
12572 case MONO_NATIVE_STRUCT:
12573 klass = mono_class_from_mono_type (type);
12574 if (klass == mono_defaults.object_class &&
12575 (mspec && mspec->native == MONO_NATIVE_STRUCT)) {
12579 return mono_class_native_size (klass, align);
12580 case MONO_NATIVE_BYVALTSTR: {
12581 int esize = unicode ? 2: 1;
12584 return mspec->data.array_data.num_elem * esize;
12586 case MONO_NATIVE_BYVALARRAY: {
12587 // FIXME: Have to consider ArraySubType
12589 klass = mono_class_from_mono_type (type);
12590 if (klass->element_class == mono_defaults.char_class) {
12591 esize = unicode ? 2 : 1;
12594 esize = mono_class_native_size (klass->element_class, align);
12597 return mspec->data.array_data.num_elem * esize;
12599 case MONO_NATIVE_CUSTOM:
12600 *align = sizeof (gpointer);
12601 return sizeof (gpointer);
12603 case MONO_NATIVE_CURRENCY:
12604 case MONO_NATIVE_VBBYREFSTR:
12606 g_error ("native type %02x not implemented", native_type);
12609 g_assert_not_reached ();
12614 mono_marshal_asany (MonoObject *o, MonoMarshalNative string_encoding, int param_attrs)
12622 t = &o->vtable->klass->byval_arg;
12626 case MONO_TYPE_PTR:
12629 case MONO_TYPE_BOOLEAN:
12632 case MONO_TYPE_CHAR:
12637 return mono_object_unbox (o);
12639 case MONO_TYPE_STRING:
12640 switch (string_encoding) {
12641 case MONO_NATIVE_LPWSTR:
12642 return mono_marshal_string_to_utf16_copy ((MonoString*)o);
12644 case MONO_NATIVE_LPSTR:
12645 return mono_string_to_lpstr ((MonoString*)o);
12648 g_warning ("marshaling conversion %d not implemented", string_encoding);
12649 g_assert_not_reached ();
12652 case MONO_TYPE_CLASS:
12653 case MONO_TYPE_VALUETYPE: {
12654 MonoMethod *method;
12657 MonoBoolean delete_old = FALSE;
12659 klass = t->data.klass;
12661 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT)
12664 if (klass->valuetype && (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
12665 klass->blittable || klass->enumtype))
12666 return mono_object_unbox (o);
12668 res = mono_marshal_alloc (mono_class_native_size (klass, NULL));
12670 if (!((param_attrs & PARAM_ATTRIBUTE_OUT) && !(param_attrs & PARAM_ATTRIBUTE_IN))) {
12671 method = mono_marshal_get_struct_to_ptr (o->vtable->klass);
12675 pa [2] = &delete_old;
12677 mono_runtime_invoke (method, NULL, pa, NULL);
12684 mono_raise_exception (mono_get_exception_argument ("", "No PInvoke conversion exists for value passed to Object-typed parameter."));
12690 mono_marshal_free_asany (MonoObject *o, gpointer ptr, MonoMarshalNative string_encoding, int param_attrs)
12698 t = &o->vtable->klass->byval_arg;
12700 case MONO_TYPE_STRING:
12701 switch (string_encoding) {
12702 case MONO_NATIVE_LPWSTR:
12703 case MONO_NATIVE_LPSTR:
12704 mono_marshal_free (ptr);
12707 g_warning ("marshaling conversion %d not implemented", string_encoding);
12708 g_assert_not_reached ();
12711 case MONO_TYPE_CLASS:
12712 case MONO_TYPE_VALUETYPE: {
12713 klass = t->data.klass;
12715 if (klass->valuetype && (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
12716 klass->blittable || klass->enumtype))
12719 if (param_attrs & PARAM_ATTRIBUTE_OUT) {
12720 MonoMethod *method = mono_marshal_get_ptr_to_struct (o->vtable->klass);
12726 mono_runtime_invoke (method, NULL, pa, NULL);
12729 if (!((param_attrs & PARAM_ATTRIBUTE_OUT) && !(param_attrs & PARAM_ATTRIBUTE_IN))) {
12730 mono_struct_delete_old (klass, ptr);
12733 mono_marshal_free (ptr);
12742 mono_marshal_get_generic_array_helper (MonoClass *class, MonoClass *iface, gchar *name, MonoMethod *method)
12744 MonoMethodSignature *sig, *csig;
12745 MonoMethodBuilder *mb;
12750 mb = mono_mb_new_no_dup_name (class, name, MONO_WRAPPER_MANAGED_TO_MANAGED);
12751 mb->method->slot = -1;
12753 mb->method->flags = METHOD_ATTRIBUTE_PRIVATE | METHOD_ATTRIBUTE_VIRTUAL |
12754 METHOD_ATTRIBUTE_NEW_SLOT | METHOD_ATTRIBUTE_HIDE_BY_SIG | METHOD_ATTRIBUTE_FINAL;
12756 sig = mono_method_signature (method);
12757 csig = signature_dup (method->klass->image, sig);
12758 csig->generic_param_count = 0;
12760 #ifndef DISABLE_JIT
12761 mono_mb_emit_ldarg (mb, 0);
12762 for (i = 0; i < csig->param_count; i++)
12763 mono_mb_emit_ldarg (mb, i + 1);
12764 mono_mb_emit_managed_call (mb, method, NULL);
12765 mono_mb_emit_byte (mb, CEE_RET);
12767 /* We can corlib internal methods */
12768 mb->skip_visibility = TRUE;
12771 res = mono_mb_create_method (mb, csig, csig->param_count + 16);
12773 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_GENERIC_ARRAY_HELPER);
12774 info->d.generic_array_helper.method = method;
12775 mono_marshal_set_wrapper_info (res, info);
12783 * The mono_win32_compat_* functions are implementations of inline
12784 * Windows kernel32 APIs, which are DllImport-able under MS.NET,
12785 * although not exported by kernel32.
12787 * We map the appropiate kernel32 entries to these functions using
12788 * dllmaps declared in the global etc/mono/config.
12792 mono_win32_compat_CopyMemory (gpointer dest, gconstpointer source, gsize length)
12794 if (!dest || !source)
12797 memcpy (dest, source, length);
12801 mono_win32_compat_FillMemory (gpointer dest, gsize length, guchar fill)
12803 memset (dest, fill, length);
12807 mono_win32_compat_MoveMemory (gpointer dest, gconstpointer source, gsize length)
12809 if (!dest || !source)
12812 memmove (dest, source, length);
12816 mono_win32_compat_ZeroMemory (gpointer dest, gsize length)
12818 memset (dest, 0, length);
12822 mono_marshal_find_nonzero_bit_offset (guint8 *buf, int len, int *byte_offset, guint8 *bitmask)
12827 for (i = 0; i < len; ++i)
12831 g_assert (i < len);
12834 while (byte && !(byte & 1))
12836 g_assert (byte == 1);
12839 *bitmask = buf [i];
12843 mono_marshal_get_thunk_invoke_wrapper (MonoMethod *method)
12845 MonoMethodBuilder *mb;
12846 MonoMethodSignature *sig, *csig;
12847 MonoExceptionClause *clause;
12852 int i, param_count, sig_size, pos_leave;
12856 klass = method->klass;
12857 image = method->klass->image;
12858 cache = get_cache (&image->thunk_invoke_cache, mono_aligned_addr_hash, NULL);
12860 if ((res = mono_marshal_find_in_cache (cache, method)))
12863 sig = mono_method_signature (method);
12864 mb = mono_mb_new (klass, method->name, MONO_WRAPPER_NATIVE_TO_MANAGED);
12866 /* add "this" and exception param */
12867 param_count = sig->param_count + sig->hasthis + 1;
12869 /* dup & extend signature */
12870 csig = mono_metadata_signature_alloc (image, param_count);
12871 sig_size = MONO_SIZEOF_METHOD_SIGNATURE + sig->param_count * sizeof (MonoType *);
12872 memcpy (csig, sig, sig_size);
12873 csig->param_count = param_count;
12876 csig->call_convention = MONO_CALL_DEFAULT;
12878 if (sig->hasthis) {
12880 csig->params [0] = &klass->byval_arg;
12881 /* move params up by one */
12882 for (i = 0; i < sig->param_count; i++)
12883 csig->params [i + 1] = sig->params [i];
12886 /* setup exception param as byref+[out] */
12887 csig->params [param_count - 1] = mono_metadata_type_dup (image,
12888 &mono_defaults.exception_class->byval_arg);
12889 csig->params [param_count - 1]->byref = 1;
12890 csig->params [param_count - 1]->attrs = PARAM_ATTRIBUTE_OUT;
12892 /* convert struct return to object */
12893 if (MONO_TYPE_ISSTRUCT (sig->ret))
12894 csig->ret = &mono_defaults.object_class->byval_arg;
12896 #ifndef DISABLE_JIT
12897 /* local 0 (temp for exception object) */
12898 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
12900 /* local 1 (temp for result) */
12901 if (!MONO_TYPE_IS_VOID (sig->ret))
12902 mono_mb_add_local (mb, sig->ret);
12904 /* clear exception arg */
12905 mono_mb_emit_ldarg (mb, param_count - 1);
12906 mono_mb_emit_byte (mb, CEE_LDNULL);
12907 mono_mb_emit_byte (mb, CEE_STIND_REF);
12910 clause = mono_image_alloc0 (image, sizeof (MonoExceptionClause));
12911 clause->try_offset = mono_mb_get_label (mb);
12913 /* push method's args */
12914 for (i = 0; i < param_count - 1; i++) {
12918 mono_mb_emit_ldarg (mb, i);
12920 /* get the byval type of the param */
12921 klass = mono_class_from_mono_type (csig->params [i]);
12922 type = &klass->byval_arg;
12924 /* unbox struct args */
12925 if (MONO_TYPE_ISSTRUCT (type)) {
12926 mono_mb_emit_op (mb, CEE_UNBOX, klass);
12928 /* byref args & and the "this" arg must remain a ptr.
12929 Otherwise make a copy of the value type */
12930 if (!(csig->params [i]->byref || (i == 0 && sig->hasthis)))
12931 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
12933 csig->params [i] = &mono_defaults.object_class->byval_arg;
12938 if (method->flags & METHOD_ATTRIBUTE_VIRTUAL)
12939 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
12941 mono_mb_emit_op (mb, CEE_CALL, method);
12943 /* save result at local 1 */
12944 if (!MONO_TYPE_IS_VOID (sig->ret))
12945 mono_mb_emit_stloc (mb, 1);
12947 pos_leave = mono_mb_emit_branch (mb, CEE_LEAVE);
12950 clause->flags = MONO_EXCEPTION_CLAUSE_NONE;
12951 clause->try_len = mono_mb_get_pos (mb) - clause->try_offset;
12952 clause->data.catch_class = mono_defaults.object_class;
12954 clause->handler_offset = mono_mb_get_label (mb);
12956 /* store exception at local 0 */
12957 mono_mb_emit_stloc (mb, 0);
12958 mono_mb_emit_ldarg (mb, param_count - 1);
12959 mono_mb_emit_ldloc (mb, 0);
12960 mono_mb_emit_byte (mb, CEE_STIND_REF);
12961 mono_mb_emit_branch (mb, CEE_LEAVE);
12963 clause->handler_len = mono_mb_get_pos (mb) - clause->handler_offset;
12965 mono_mb_set_clauses (mb, 1, clause);
12967 mono_mb_patch_branch (mb, pos_leave);
12970 if (!MONO_TYPE_IS_VOID (sig->ret)) {
12971 mono_mb_emit_ldloc (mb, 1);
12973 /* box the return value */
12974 if (MONO_TYPE_ISSTRUCT (sig->ret))
12975 mono_mb_emit_op (mb, CEE_BOX, mono_class_from_mono_type (sig->ret));
12978 mono_mb_emit_byte (mb, CEE_RET);
12981 res = mono_mb_create_and_cache (cache, method, mb, csig, param_count + 16);
12988 * mono_marshal_free_dynamic_wrappers:
12990 * Free wrappers of the dynamic method METHOD.
12993 mono_marshal_free_dynamic_wrappers (MonoMethod *method)
12995 MonoImage *image = method->klass->image;
12997 g_assert (method->dynamic);
12999 /* This could be called during shutdown */
13000 if (marshal_mutex_initialized)
13001 mono_marshal_lock ();
13003 * FIXME: We currently leak the wrappers. Freeing them would be tricky as
13004 * they could be shared with other methods ?
13006 if (image->runtime_invoke_direct_cache)
13007 g_hash_table_remove (image->runtime_invoke_direct_cache, method);
13008 if (image->delegate_abstract_invoke_cache)
13009 g_hash_table_foreach_remove (image->delegate_abstract_invoke_cache, signature_method_pair_matches_method, method);
13010 // FIXME: Need to clear the caches in other images as well
13011 if (image->delegate_bound_static_invoke_cache)
13012 g_hash_table_remove (image->delegate_bound_static_invoke_cache, mono_method_signature (method));
13014 if (marshal_mutex_initialized)
13015 mono_marshal_unlock ();
13019 signature_method_pair_matches_signature (gpointer key, gpointer value, gpointer user_data)
13021 SignatureMethodPair *pair = (SignatureMethodPair*)key;
13022 MonoMethodSignature *sig = (MonoMethodSignature*)user_data;
13024 return mono_metadata_signature_equal (pair->sig, sig);
13028 * mono_marshal_free_inflated_wrappers:
13030 * Free wrappers of the inflated method METHOD.
13033 mono_marshal_free_inflated_wrappers (MonoMethod *method)
13035 MonoMethodSignature *sig = method->signature;
13037 g_assert (method->is_inflated);
13039 /* Ignore calls occuring late during cleanup. */
13040 if (!marshal_mutex_initialized)
13043 mono_marshal_lock ();
13045 * FIXME: We currently leak the wrappers. Freeing them would be tricky as
13046 * they could be shared with other methods ?
13050 * indexed by MonoMethodSignature
13052 /* FIXME: This could remove unrelated wrappers as well */
13053 if (sig && method->klass->image->delegate_begin_invoke_cache)
13054 g_hash_table_remove (method->klass->image->delegate_begin_invoke_cache, sig);
13055 if (sig && method->klass->image->delegate_end_invoke_cache)
13056 g_hash_table_remove (method->klass->image->delegate_end_invoke_cache, sig);
13057 if (sig && method->klass->image->delegate_invoke_cache)
13058 g_hash_table_remove (method->klass->image->delegate_invoke_cache, sig);
13059 if (sig && method->klass->image->runtime_invoke_cache)
13060 g_hash_table_remove (method->klass->image->runtime_invoke_cache, sig);
13061 if (sig && method->klass->image->runtime_invoke_vtype_cache)
13062 g_hash_table_remove (method->klass->image->runtime_invoke_vtype_cache, sig);
13065 * indexed by SignatureMethodPair
13067 if (sig && method->klass->image->delegate_abstract_invoke_cache)
13068 g_hash_table_foreach_remove (method->klass->image->delegate_abstract_invoke_cache,
13069 signature_method_pair_matches_signature, (gpointer)sig);
13072 * indexed by MonoMethod pointers
13074 if (method->klass->image->runtime_invoke_direct_cache)
13075 g_hash_table_remove (method->klass->image->runtime_invoke_direct_cache, method);
13076 if (method->klass->image->managed_wrapper_cache)
13077 g_hash_table_remove (method->klass->image->managed_wrapper_cache, method);
13078 if (method->klass->image->native_wrapper_cache)
13079 g_hash_table_remove (method->klass->image->native_wrapper_cache, method);
13080 if (method->klass->image->remoting_invoke_cache)
13081 g_hash_table_remove (method->klass->image->remoting_invoke_cache, method);
13082 if (method->klass->image->synchronized_cache)
13083 g_hash_table_remove (method->klass->image->synchronized_cache, method);
13084 if (method->klass->image->unbox_wrapper_cache)
13085 g_hash_table_remove (method->klass->image->unbox_wrapper_cache, method);
13086 if (method->klass->image->cominterop_invoke_cache)
13087 g_hash_table_remove (method->klass->image->cominterop_invoke_cache, method);
13088 if (method->klass->image->cominterop_wrapper_cache)
13089 g_hash_table_remove (method->klass->image->cominterop_wrapper_cache, method);
13090 if (method->klass->image->thunk_invoke_cache)
13091 g_hash_table_remove (method->klass->image->thunk_invoke_cache, method);
13092 if (method->klass->image->native_func_wrapper_aot_cache)
13093 g_hash_table_remove (method->klass->image->native_func_wrapper_aot_cache, method);
13095 mono_marshal_unlock ();