2 * marshal.c: Routines for marshaling complex types in P/Invoke methods.
5 * Paolo Molaro (lupus@ximian.com)
7 * (C) 2002 Ximian, Inc. http://www.ximian.com
14 #include "metadata/marshal.h"
15 #include "metadata/tabledefs.h"
16 #include "metadata/exception.h"
17 #include "metadata/appdomain.h"
18 #include "mono/metadata/debug-helpers.h"
19 #include "mono/metadata/threadpool.h"
20 #include "mono/metadata/threads.h"
21 #include "mono/metadata/monitor.h"
22 #include "mono/metadata/metadata-internals.h"
23 #include "mono/metadata/domain-internals.h"
24 #include "mono/metadata/gc-internal.h"
25 #include "mono/metadata/threads-types.h"
26 #include "mono/metadata/string-icalls.h"
27 #include <mono/os/gc_wrapper.h>
31 /* #define DEBUG_RUNTIME_CODE */
33 #define OPDEF(a,b,c,d,e,f,g,h,i,j) \
37 MONO_MARSHAL_NONE, /* No marshalling needed */
38 MONO_MARSHAL_COPY, /* Can be copied by value to the new domain */
39 MONO_MARSHAL_COPY_OUT, /* out parameter that needs to be copied back to the original instance */
40 MONO_MARSHAL_SERIALIZE /* Value needs to be serialized into the new domain */
41 } MonoXDomainMarshalType;
44 #include "mono/cil/opcode.def"
49 struct _MonoMethodBuilder {
55 guint32 code_size, pos;
59 struct _MonoRemotingMethods {
61 MonoMethod *invoke_with_check;
62 MonoMethod *xdomain_invoke;
63 MonoMethod *xdomain_dispatch;
66 typedef struct _MonoRemotingMethods MonoRemotingMethods;
68 #ifdef DEBUG_RUNTIME_CODE
70 indenter (MonoDisHelper *dh, MonoMethod *method, guint32 ip_offset)
72 return g_strdup (" ");
75 static MonoDisHelper marshal_dh = {
85 /* This mutex protects the various marshalling related caches in MonoImage */
86 #define mono_marshal_lock() EnterCriticalSection (&marshal_mutex)
87 #define mono_marshal_unlock() LeaveCriticalSection (&marshal_mutex)
88 static CRITICAL_SECTION marshal_mutex;
90 /* Maps wrapper methods to the methods they wrap */
91 static GHashTable *wrapper_hash;
93 static guint32 last_error_tls_id;
95 static guint32 load_type_info_tls_id;
98 delegate_hash_table_add (MonoDelegate *d);
101 emit_struct_conv (MonoMethodBuilder *mb, MonoClass *klass, gboolean to_object);
104 mono_struct_delete_old (MonoClass *klass, char *ptr);
107 mono_marshal_string_to_utf16 (MonoString *s);
110 mono_string_to_lpstr (MonoString *string_obj);
113 mono_string_from_bstr (gpointer bstr);
116 mono_free_bstr (gpointer bstr);
119 mono_byvalarray_to_array (MonoArray *arr, gpointer native_arr, MonoClass *eltype, guint32 elnum);
122 mono_array_to_byvalarray (gpointer native_arr, MonoArray *arr, MonoClass *eltype, guint32 elnum);
125 mono_remoting_wrapper (MonoMethod *method, gpointer *params);
127 static MonoAsyncResult *
128 mono_delegate_begin_invoke (MonoDelegate *delegate, gpointer *params);
131 mono_delegate_end_invoke (MonoDelegate *delegate, gpointer *params);
134 mono_marshal_xdomain_copy_value (MonoObject *val);
137 mono_marshal_xdomain_copy_out_value (MonoObject *src, MonoObject *dst);
140 mono_marshal_set_domain_by_id (gint32 id, MonoBoolean push);
143 mono_marshal_check_domain_image (gint32 domain_id, MonoImage *image);
146 mono_upgrade_remote_class_wrapper (MonoReflectionType *rtype, MonoTransparentProxy *tproxy);
148 static MonoReflectionType *
149 type_from_handle (MonoType *handle);
152 mono_marshal_set_last_error_windows (int error);
155 mono_marshal_emit_native_wrapper (MonoImage *image, MonoMethodBuilder *mb, MonoMethodSignature *sig, MonoMethodPInvoke *piinfo, MonoMarshalSpec **mspecs, gpointer func);
157 static void init_safe_handle (void);
159 /* MonoMethod pointers to SafeHandle::DangerousAddRef and ::DangerousRelease */
160 static MonoMethod *sh_dangerous_add_ref;
161 static MonoMethod *sh_dangerous_release;
167 sh_dangerous_add_ref = mono_class_get_method_from_name (
168 mono_defaults.safehandle_class, "DangerousAddRef", 1);
169 sh_dangerous_release = mono_class_get_method_from_name (
170 mono_defaults.safehandle_class, "DangerousRelease", 0);
174 register_icall (gpointer func, const char *name, const char *sigstr, gboolean save)
176 MonoMethodSignature *sig = mono_create_icall_signature (sigstr);
178 mono_register_jit_icall (func, name, sig, save);
181 static MonoMethodSignature*
182 signature_dup (MonoImage *image, MonoMethodSignature *sig)
184 MonoMethodSignature *res;
187 sigsize = sizeof (MonoMethodSignature) + ((sig->param_count - MONO_ZERO_LEN_ARRAY) * sizeof (MonoType *));
189 res = mono_mempool_alloc (image->mempool, sigsize);
190 mono_loader_unlock ();
191 memcpy (res, sig, sigsize);
196 static MonoMethodSignature*
197 signature_no_pinvoke (MonoMethod *method)
199 MonoMethodSignature *sig = mono_method_signature (method);
201 sig = signature_dup (method->klass->image, sig);
202 sig->pinvoke = FALSE;
209 * signature_cominterop:
211 * @sig: managed method signature
213 * Returns: the corresponding unmanaged method signature for a managed COM
216 static MonoMethodSignature*
217 signature_cominterop (MonoImage *image, MonoMethodSignature *sig)
219 MonoMethodSignature *res;
222 int param_count = sig->param_count + 1; // convert this arg into IntPtr arg
224 if (!MONO_TYPE_IS_VOID (sig->ret))
227 sigsize = sizeof (MonoMethodSignature) + ((param_count - MONO_ZERO_LEN_ARRAY) * sizeof (MonoType *));
229 res = mono_mempool_alloc (image->mempool, sigsize);
230 mono_loader_unlock ();
231 memcpy (res, sig, sigsize);
233 // now move args forward one
234 for (i = sig->param_count-1; i >= 0; i--)
235 res->params[i+1] = sig->params[i];
237 // first arg is interface pointer
238 res->params[0] = &mono_defaults.int_class->byval_arg;
240 // last arg is return type
241 if (!MONO_TYPE_IS_VOID (sig->ret)) {
242 res->params[param_count-1] = mono_metadata_type_dup_mp (image, sig->ret);
243 res->params[param_count-1]->byref = 1;
244 res->params[param_count-1]->attrs = PARAM_ATTRIBUTE_OUT;
248 res->pinvoke = FALSE;
254 res->param_count = param_count;
256 // return type is always int32 (HRESULT)
257 res->ret = &mono_defaults.int32_class->byval_arg;
259 // STDCALL on windows, CDECL everywhere else to work with XPCOM and MainWin COM
260 #ifdef PLATFORM_WIN32
261 res->call_convention = MONO_CALL_STDCALL;
263 res->call_convention = MONO_CALL_C;
270 * cominterop_get_function_pointer:
271 * @itf: a pointer to the COM interface
272 * @slot: the vtable slot of the method pointer to return
274 * Returns: the unmanaged vtable function pointer from the interface
277 cominterop_get_function_pointer (gpointer itf, int slot)
280 func = *((*(gpointer**)itf)+slot);
285 * cominterop_object_is_com_object:
286 * @obj: a pointer to the object
288 * Returns: a value indicating if the object is a
289 * Runtime Callable Wrapper (RCW) for a COM object
292 cominterop_object_is_rcw (MonoObject *obj)
294 MonoClass *klass = NULL;
295 MonoRealProxy* real_proxy = NULL;
298 klass = mono_object_class (obj);
299 if (klass != mono_defaults.transparent_proxy_class)
302 real_proxy = ((MonoTransparentProxy*)obj)->rp;
306 klass = mono_object_class (real_proxy);
307 return (klass && klass == mono_defaults.com_interop_proxy_class);
311 * cominterop_get_com_slot_for_method:
314 * Returns: the method's slot in the COM interface vtable
317 cominterop_get_com_slot_for_method (MonoMethod* method)
319 static MonoClass *interface_type_attribute = NULL;
320 MonoInterfaceTypeAttribute* itf_attr = NULL;
321 MonoCustomAttrInfo *cinfo = NULL;
323 guint32 slot = method->slot;
325 MonoClass *ic = NULL;
328 ifaces = mono_class_get_implemented_interfaces (method->klass);
331 for (i = 0; i < ifaces->len; ++i) {
332 ic = g_ptr_array_index (ifaces, i);
333 offset = method->klass->interface_offsets[ic->interface_id];
334 if (method->slot >= offset && method->slot < offset + ic->method.count) {
339 g_ptr_array_free (ifaces, TRUE);
346 g_assert (MONO_CLASS_IS_INTERFACE (ic));
348 if (!interface_type_attribute)
349 interface_type_attribute = mono_class_from_name (mono_defaults.corlib, "System.Runtime.InteropServices", "InterfaceTypeAttribute");
350 cinfo = mono_custom_attrs_from_class (ic);
352 itf_attr = (MonoInterfaceTypeAttribute*)mono_custom_attrs_get_attr (cinfo, interface_type_attribute);
354 mono_custom_attrs_free (cinfo);
357 if (itf_attr && itf_attr->intType == 1)
358 offset = 3; /* 3 methods in IUnknown*/
360 offset = 7; /* 7 methods in IDispatch*/
362 return slot + offset;
366 * cominterop_get_method_interface:
367 * @method: method being called
369 * Returns: the Type on which the method is defined on
371 static MonoReflectionType*
372 cominterop_get_method_interface (MonoMethod* method)
376 MonoClass *ic = NULL;
378 MonoReflectionType* rt = NULL;
380 ifaces = mono_class_get_implemented_interfaces (method->klass);
383 for (i = 0; i < ifaces->len; ++i) {
384 ic = g_ptr_array_index (ifaces, i);
385 offset = method->klass->interface_offsets[ic->interface_id];
386 if (method->slot >= offset && method->slot < offset + ic->method.count)
390 g_ptr_array_free (ifaces, TRUE);
397 g_assert (MONO_CLASS_IS_INTERFACE (ic));
399 t = mono_class_get_type (ic);
400 rt = mono_type_get_object (mono_domain_get(), t);
406 mono_marshal_init (void)
408 static gboolean module_initialized = FALSE;
410 if (!module_initialized) {
411 module_initialized = TRUE;
412 InitializeCriticalSection (&marshal_mutex);
413 wrapper_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
414 last_error_tls_id = TlsAlloc ();
415 load_type_info_tls_id = TlsAlloc ();
417 register_icall (mono_marshal_string_to_utf16, "mono_marshal_string_to_utf16", "ptr obj", FALSE);
418 register_icall (mono_string_to_utf16, "mono_string_to_utf16", "ptr obj", FALSE);
419 register_icall (mono_string_from_utf16, "mono_string_from_utf16", "obj ptr", FALSE);
420 register_icall (mono_string_new_wrapper, "mono_string_new_wrapper", "obj ptr", FALSE);
421 register_icall (mono_string_to_utf8, "mono_string_to_utf8", "ptr obj", FALSE);
422 register_icall (mono_string_to_lpstr, "mono_string_to_lpstr", "ptr obj", FALSE);
423 register_icall (mono_string_to_bstr, "mono_string_to_bstr", "ptr obj", FALSE);
424 register_icall (mono_string_from_bstr, "mono_string_from_bstr", "obj ptr", FALSE);
425 register_icall (mono_free_bstr, "mono_free_bstr", "void ptr", FALSE);
426 register_icall (mono_string_to_ansibstr, "mono_string_to_ansibstr", "ptr object", FALSE);
427 register_icall (mono_string_builder_to_utf8, "mono_string_builder_to_utf8", "ptr object", FALSE);
428 register_icall (mono_string_builder_to_utf16, "mono_string_builder_to_utf16", "ptr object", FALSE);
429 register_icall (mono_array_to_savearray, "mono_array_to_savearray", "ptr object", FALSE);
430 register_icall (mono_array_to_lparray, "mono_array_to_lparray", "ptr object", FALSE);
431 register_icall (mono_byvalarray_to_array, "mono_byvalarray_to_array", "void object ptr ptr int32", FALSE);
432 register_icall (mono_array_to_byvalarray, "mono_array_to_byvalarray", "void ptr object ptr int32", FALSE);
433 register_icall (mono_delegate_to_ftnptr, "mono_delegate_to_ftnptr", "ptr object", FALSE);
434 register_icall (mono_ftnptr_to_delegate, "mono_ftnptr_to_delegate", "object ptr ptr", FALSE);
435 register_icall (mono_marshal_asany, "mono_marshal_asany", "ptr object int32 int32", FALSE);
436 register_icall (mono_marshal_free_asany, "mono_marshal_free_asany", "void object ptr int32 int32", FALSE);
437 register_icall (mono_marshal_alloc, "mono_marshal_alloc", "ptr int32", FALSE);
438 register_icall (mono_marshal_free, "mono_marshal_free", "void ptr", FALSE);
439 register_icall (mono_marshal_set_last_error, "mono_marshal_set_last_error", "void", FALSE);
440 register_icall (mono_marshal_set_last_error_windows, "mono_marshal_set_last_error_windows", "void int32", FALSE);
441 register_icall (mono_string_utf8_to_builder, "mono_string_utf8_to_builder", "void ptr ptr", FALSE);
442 register_icall (mono_string_utf16_to_builder, "mono_string_utf16_to_builder", "void ptr ptr", FALSE);
443 register_icall (mono_marshal_free_array, "mono_marshal_free_array", "void ptr int32", FALSE);
444 register_icall (mono_string_to_byvalstr, "mono_string_to_byvalstr", "void ptr ptr int32", FALSE);
445 register_icall (mono_string_to_byvalwstr, "mono_string_to_byvalwstr", "void ptr ptr int32", FALSE);
446 register_icall (g_free, "g_free", "void ptr", FALSE);
447 register_icall (mono_object_isinst, "mono_object_isinst", "object object ptr", FALSE);
448 register_icall (mono_struct_delete_old, "mono_struct_delete_old", "void ptr ptr", FALSE);
449 register_icall (mono_remoting_wrapper, "mono_remoting_wrapper", "object ptr ptr", FALSE);
450 register_icall (mono_delegate_begin_invoke, "mono_delegate_begin_invoke", "object object ptr", FALSE);
451 register_icall (mono_delegate_end_invoke, "mono_delegate_end_invoke", "object object ptr", FALSE);
452 register_icall (mono_marshal_xdomain_copy_value, "mono_marshal_xdomain_copy_value", "object object", FALSE);
453 register_icall (mono_marshal_xdomain_copy_out_value, "mono_marshal_xdomain_copy_out_value", "void object object", FALSE);
454 register_icall (mono_marshal_set_domain_by_id, "mono_marshal_set_domain_by_id", "int32 int32 int32", FALSE);
455 register_icall (mono_marshal_check_domain_image, "mono_marshal_check_domain_image", "int32 int32 ptr", FALSE);
456 register_icall (mono_compile_method, "mono_compile_method", "ptr ptr", FALSE);
457 register_icall (mono_context_get, "mono_context_get", "object", FALSE);
458 register_icall (mono_context_set, "mono_context_set", "void object", FALSE);
459 register_icall (mono_upgrade_remote_class_wrapper, "mono_upgrade_remote_class_wrapper", "void object object", FALSE);
460 register_icall (type_from_handle, "type_from_handle", "object ptr", FALSE);
461 register_icall (mono_gc_wbarrier_generic_store, "wb_generic", "void ptr object", FALSE);
462 register_icall (cominterop_get_method_interface, "cominterop_get_method_interface", "object ptr", FALSE);
463 register_icall (cominterop_get_function_pointer, "cominterop_get_function_pointer", "ptr ptr int32", FALSE);
464 register_icall (cominterop_object_is_rcw, "cominterop_object_is_rcw", "int32 object", FALSE);
469 mono_marshal_cleanup (void)
471 g_hash_table_destroy (wrapper_hash);
472 TlsFree (load_type_info_tls_id);
473 TlsFree (last_error_tls_id);
474 DeleteCriticalSection (&marshal_mutex);
477 MonoClass *byte_array_class;
478 static MonoMethod *method_rs_serialize, *method_rs_deserialize, *method_exc_fixexc, *method_rs_appdomain_target;
479 static MonoMethod *method_set_context, *method_get_context;
480 static MonoMethod *method_set_call_context, *method_needs_context_sink, *method_rs_serialize_exc;
483 mono_remoting_marshal_init (void)
487 static gboolean module_initialized = FALSE;
489 if (!module_initialized) {
490 klass = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting", "RemotingServices");
491 method_rs_serialize = mono_class_get_method_from_name (klass, "SerializeCallData", -1);
492 method_rs_deserialize = mono_class_get_method_from_name (klass, "DeserializeCallData", -1);
493 method_rs_serialize_exc = mono_class_get_method_from_name (klass, "SerializeExceptionData", -1);
495 klass = mono_defaults.real_proxy_class;
496 method_rs_appdomain_target = mono_class_get_method_from_name (klass, "GetAppDomainTarget", -1);
498 klass = mono_defaults.exception_class;
499 method_exc_fixexc = mono_class_get_method_from_name (klass, "FixRemotingException", -1);
501 klass = mono_defaults.thread_class;
502 method_get_context = mono_class_get_method_from_name (klass, "get_CurrentContext", -1);
504 klass = mono_defaults.appdomain_class;
505 method_set_context = mono_class_get_method_from_name (klass, "InternalSetContext", -1);
506 byte_array_class = mono_array_class_get (mono_defaults.byte_class, 1);
508 klass = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting.Messaging", "CallContext");
509 method_set_call_context = mono_class_get_method_from_name (klass, "SetCurrentCallContext", -1);
511 klass = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting.Contexts", "Context");
512 method_needs_context_sink = mono_class_get_method_from_name (klass, "get_NeedsContextSink", -1);
514 module_initialized = TRUE;
519 mono_delegate_to_ftnptr (MonoDelegate *delegate)
521 MonoMethod *method, *wrapper;
527 if (delegate->delegate_trampoline)
528 return delegate->delegate_trampoline;
530 klass = ((MonoObject *)delegate)->vtable->klass;
531 g_assert (klass->delegate);
533 method = delegate->method_info->method;
535 wrapper = mono_marshal_get_managed_wrapper (method, klass, delegate->target);
537 delegate->delegate_trampoline = mono_compile_method (wrapper);
539 // Add the delegate to the delegate hash table
540 delegate_hash_table_add (delegate);
542 /* when the object is collected, collect the dynamic method, too */
543 mono_object_register_finalizer ((MonoObject*)delegate);
545 return delegate->delegate_trampoline;
548 static GHashTable *delegate_hash_table;
551 delegate_hash_table_new (void) {
552 return g_hash_table_new (NULL, NULL);
556 delegate_hash_table_remove (MonoDelegate *d)
558 mono_marshal_lock ();
559 if (delegate_hash_table == NULL)
560 delegate_hash_table = delegate_hash_table_new ();
561 g_hash_table_remove (delegate_hash_table, d->delegate_trampoline);
562 mono_marshal_unlock ();
566 delegate_hash_table_add (MonoDelegate *d)
568 mono_marshal_lock ();
569 if (delegate_hash_table == NULL)
570 delegate_hash_table = delegate_hash_table_new ();
571 g_hash_table_insert (delegate_hash_table, d->delegate_trampoline, d);
572 mono_marshal_unlock ();
576 mono_ftnptr_to_delegate (MonoClass *klass, gpointer ftn)
580 mono_marshal_lock ();
581 if (delegate_hash_table == NULL)
582 delegate_hash_table = delegate_hash_table_new ();
584 d = g_hash_table_lookup (delegate_hash_table, ftn);
585 mono_marshal_unlock ();
587 /* This is a native function, so construct a delegate for it */
588 static MonoClass *UnmanagedFunctionPointerAttribute;
589 MonoMethodSignature *sig;
591 MonoMarshalSpec **mspecs;
592 MonoCustomAttrInfo *cinfo;
593 MonoReflectionUnmanagedFunctionPointerAttribute *attr;
594 MonoMethod *invoke = mono_get_delegate_invoke (klass);
595 MonoMethodPInvoke piinfo;
598 memset (&piinfo, 0, sizeof (piinfo));
599 if (!UnmanagedFunctionPointerAttribute)
600 UnmanagedFunctionPointerAttribute = mono_class_from_name (mono_defaults.corlib, "System.Runtime.InteropServices", "UnmanagedFunctionPointerAttribute");
602 /* The attribute is only available in Net 2.0 */
603 if (UnmanagedFunctionPointerAttribute) {
605 * The pinvoke attributes are stored in a real custom attribute so we have to
608 cinfo = mono_custom_attrs_from_class (klass);
610 attr = (MonoReflectionUnmanagedFunctionPointerAttribute*)mono_custom_attrs_get_attr (cinfo, UnmanagedFunctionPointerAttribute);
612 piinfo.piflags = (attr->call_conv << 8) | (attr->charset ? (attr->charset - 1) * 2 : 1) | attr->set_last_error;
615 mono_custom_attrs_free (cinfo);
619 mspecs = g_new0 (MonoMarshalSpec*, mono_method_signature (invoke)->param_count + 1);
620 mono_method_get_marshal_info (invoke, mspecs);
621 /* Freed below so don't alloc from mempool */
622 sig = mono_metadata_signature_dup (mono_method_signature (invoke));
625 wrapper = mono_marshal_get_native_func_wrapper (klass->image, sig, &piinfo, mspecs, ftn);
627 for (i = mono_method_signature (invoke)->param_count; i >= 0; i--)
629 mono_metadata_free_marshal_spec (mspecs [i]);
633 d = (MonoDelegate*)mono_object_new (mono_domain_get (), klass);
634 mono_delegate_ctor ((MonoObject*)d, NULL, mono_compile_method (wrapper));
637 if (d->object.vtable->domain != mono_domain_get ())
638 mono_raise_exception (mono_get_exception_not_supported ("Delegates cannot be marshalled from native code into a domain other than their home domain"));
644 mono_delegate_free_ftnptr (MonoDelegate *delegate)
649 delegate_hash_table_remove (delegate);
651 ptr = (gpointer)InterlockedExchangePointer (&delegate->delegate_trampoline, NULL);
653 if (!delegate->target) {
654 /* The wrapper method is shared between delegates -> no need to free it */
659 ji = mono_jit_info_table_find (mono_domain_get (), mono_get_addr_from_ftnptr (ptr));
662 mono_runtime_free_method (mono_object_domain (delegate), ji->method);
667 mono_array_to_savearray (MonoArray *array)
672 g_assert_not_reached ();
677 mono_array_to_lparray (MonoArray *array)
682 /* fixme: maybe we need to make a copy */
683 return array->vector;
687 mono_byvalarray_to_array (MonoArray *arr, gpointer native_arr, MonoClass *elclass, guint32 elnum)
689 g_assert (arr->obj.vtable->klass->element_class == mono_defaults.char_class);
691 if (elclass == mono_defaults.byte_class) {
692 GError *error = NULL;
696 ut = g_utf8_to_utf16 (native_arr, elnum, NULL, &items_written, &error);
699 memcpy (mono_array_addr (arr, guint16, 0), ut, items_written * sizeof (guint16));
703 g_error_free (error);
706 g_assert_not_reached ();
710 mono_array_to_byvalarray (gpointer native_arr, MonoArray *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) {
716 GError *error = NULL;
718 as = g_utf16_to_utf8 (mono_array_addr (arr, gunichar2, 0), mono_array_length (arr), NULL, NULL, &error);
720 MonoException *exc = mono_get_exception_argument ("string", error->message);
721 g_error_free (error);
722 mono_raise_exception (exc);
725 memcpy (native_arr, as, MIN (strlen (as), elnum));
728 g_assert_not_reached ();
733 mono_string_utf8_to_builder (MonoStringBuilder *sb, char *text)
735 GError *error = NULL;
745 ut = g_utf8_to_utf16 (text, l, NULL, &items_written, &error);
747 if (items_written > mono_stringbuilder_capacity (sb))
748 items_written = mono_stringbuilder_capacity (sb);
751 if (! sb->str || sb->str == sb->cached_str) {
752 MONO_OBJECT_SETREF (sb, str, mono_string_new_size (mono_domain_get (), items_written));
753 sb->cached_str = NULL;
756 memcpy (mono_string_chars (sb->str), ut, items_written * 2);
757 sb->length = items_written;
759 g_error_free (error);
765 * FIXME: This routine does not seem to do what it seems to do
766 * the @text is never copied into the string builder
769 mono_string_utf16_to_builder (MonoStringBuilder *sb, gunichar2 *text)
776 g_assert (mono_string_chars (sb->str) == text);
778 for (len = 0; text [len] != 0; ++len)
785 * mono_string_builder_to_utf8:
786 * @sb: the string builder
788 * Converts to utf8 the contents of the MonoStringBuilder.
790 * Returns: a utf8 string with the contents of the StringBuilder.
792 * The return value must be released with g_free.
795 mono_string_builder_to_utf8 (MonoStringBuilder *sb)
797 GError *error = NULL;
804 if ((sb->str == sb->cached_str) && (sb->str->length == 0)) {
806 * The sb could have been allocated with the default capacity and be empty.
807 * we need to alloc a buffer of the default capacity in this case.
809 MONO_OBJECT_SETREF (sb, str, mono_string_new_size (mono_domain_get (), 16));
810 sb->cached_str = NULL;
813 res = mono_marshal_alloc (mono_stringbuilder_capacity (sb) + 1);
815 tmp = g_utf16_to_utf8 (mono_string_chars (sb->str), sb->length, NULL, res, &error);
817 g_error_free (error);
818 mono_marshal_free (res);
819 mono_raise_exception (mono_get_exception_execution_engine ("Failed to convert StringBuilder from utf16 to utf8"));
821 memcpy (res, tmp, sb->length + 1);
829 * mono_string_builder_to_utf16:
830 * @sb: the string builder
832 * Converts to utf16 the contents of the MonoStringBuilder.
834 * Returns: a utf16 string with the contents of the StringBuilder.
836 * The return value must not be freed.
839 mono_string_builder_to_utf16 (MonoStringBuilder *sb)
847 * The stringbuilder might not have ownership of this string. If this is
848 * the case, we must duplicate the string, so that we don't munge immutable
851 if (sb->str == sb->cached_str) {
853 * The sb could have been allocated with the default capacity and be empty.
854 * we need to alloc a buffer of the default capacity in this case.
856 if (sb->str->length == 0)
857 MONO_OBJECT_SETREF (sb, str, mono_string_new_size (mono_domain_get (), 16));
859 MONO_OBJECT_SETREF (sb, str, mono_string_new_utf16 (mono_domain_get (), mono_string_chars (sb->str), mono_stringbuilder_capacity (sb)));
860 sb->cached_str = NULL;
863 return mono_string_chars (sb->str);
867 mono_string_to_lpstr (MonoString *s)
869 #ifdef PLATFORM_WIN32
872 GError *error = NULL;
878 as = CoTaskMemAlloc (1);
883 tmp = g_utf16_to_utf8 (mono_string_chars (s), s->length, NULL, &len, &error);
885 MonoException *exc = mono_get_exception_argument ("string", error->message);
886 g_error_free (error);
887 mono_raise_exception(exc);
890 as = CoTaskMemAlloc (len + 1);
891 memcpy (as, tmp, len + 1);
896 return mono_string_to_utf8 (s);
901 mono_string_to_ansibstr (MonoString *string_obj)
903 g_error ("UnmanagedMarshal.BStr is not implemented.");
908 mono_string_to_bstr (MonoString *string_obj)
910 #ifdef PLATFORM_WIN32
913 return SysAllocStringLen (mono_string_chars (string_obj), mono_string_length (string_obj));
915 int slen = mono_string_length (string_obj);
916 char *ret = g_malloc (slen * 2 + 4 + 2);
919 memcpy (ret + 4, mono_string_chars (string_obj), slen * 2);
920 * ((guint32 *) ret) = slen * 2;
921 ret [4 + slen * 2] = 0;
922 ret [5 + slen * 2] = 0;
929 mono_string_from_bstr (gpointer bstr)
931 #ifdef PLATFORM_WIN32
934 return mono_string_new_utf16 (mono_domain_get (), bstr, SysStringLen (bstr));
936 return mono_string_new_utf16 (mono_domain_get (), bstr, *(guint32 *)((char *)bstr - 4));
941 mono_free_bstr (gpointer bstr)
943 #ifdef PLATFORM_WIN32
944 SysFreeString ((BSTR)bstr);
946 g_free (((char *)bstr) - 4);
951 * mono_string_to_byvalstr:
952 * @dst: Where to store the null-terminated utf8 decoded string.
953 * @src: the MonoString to copy.
954 * @size: the maximum number of bytes to copy.
956 * Copies the MonoString pointed to by @src as a utf8 string
957 * into @dst, it copies at most @size bytes into the destination.
960 mono_string_to_byvalstr (gpointer dst, MonoString *src, int size)
965 g_assert (dst != NULL);
968 memset (dst, 0, size);
972 s = mono_string_to_utf8 (src);
973 len = MIN (size, strlen (s));
976 memcpy (dst, s, len);
981 * mono_string_to_byvalwstr:
982 * @dst: Where to store the null-terminated utf16 decoded string.
983 * @src: the MonoString to copy.
984 * @size: the maximum number of bytes to copy.
986 * Copies the MonoString pointed to by @src as a utf16 string into
987 * @dst, it copies at most @size bytes into the destination (including
988 * a terminating 16-bit zero terminator).
991 mono_string_to_byvalwstr (gpointer dst, MonoString *src, int size)
995 g_assert (dst != NULL);
999 memset (dst, 0, size * 2);
1003 len = MIN (size, (mono_string_length (src)));
1004 memcpy (dst, mono_string_chars (src), size * 2);
1005 if (size <= mono_string_length (src))
1007 *((gunichar2 *) dst + len) = 0;
1011 mono_mb_free (MonoMethodBuilder *mb)
1013 g_list_free (mb->locals_list);
1015 g_free (mb->method);
1023 mono_mb_new (MonoClass *klass, const char *name, MonoWrapperType type)
1025 MonoMethodBuilder *mb;
1028 g_assert (klass != NULL);
1029 g_assert (name != NULL);
1031 mb = g_new0 (MonoMethodBuilder, 1);
1033 mb->method = m = (MonoMethod *)g_new0 (MonoMethodWrapper, 1);
1037 m->wrapper_type = type;
1039 mb->name = g_strdup (name);
1041 mb->code = g_malloc (mb->code_size);
1047 mono_mb_add_local (MonoMethodBuilder *mb, MonoType *type)
1051 g_assert (mb != NULL);
1052 g_assert (type != NULL);
1055 mb->locals_list = g_list_append (mb->locals_list, type);
1062 * mono_mb_create_method:
1064 * Create a MonoMethod from this method builder.
1065 * Returns: the newly created method.
1067 * LOCKING: Assumes the loader lock is held.
1070 mono_mb_create_method (MonoMethodBuilder *mb, MonoMethodSignature *signature, int max_stack)
1072 MonoMethodHeader *header;
1073 MonoMethodWrapper *mw;
1079 g_assert (mb != NULL);
1081 mp = mb->method->klass->image->mempool;
1083 mono_loader_lock ();
1085 method = mb->method;
1087 method->name = mb->name;
1088 method->dynamic = TRUE;
1090 ((MonoMethodNormal *)method)->header = header = (MonoMethodHeader *)
1091 g_malloc0 (sizeof (MonoMethodHeader) + mb->locals * sizeof (MonoType *));
1093 header->code = mb->code;
1095 /* Realloc the method info into a mempool */
1097 method = mono_mempool_alloc (mp, sizeof (MonoMethodWrapper));
1098 memcpy (method, mb->method, sizeof (MonoMethodWrapper));
1100 method->name = mono_mempool_strdup (mp, mb->name);
1102 ((MonoMethodNormal *)method)->header = header = (MonoMethodHeader *)
1103 mono_mempool_alloc0 (mp, sizeof (MonoMethodHeader) + mb->locals * sizeof (MonoType *));
1105 header->code = mono_mempool_alloc (mp, mb->pos);
1106 memcpy ((char*)header->code, mb->code, mb->pos);
1112 header->max_stack = max_stack;
1114 for (i = 0, l = mb->locals_list; l; l = l->next, i++) {
1115 header->locals [i] = (MonoType *)l->data;
1118 method->signature = signature;
1120 header->code_size = mb->pos;
1121 header->num_locals = mb->locals;
1123 mw = (MonoMethodWrapper*) mb->method;
1124 i = g_list_length (mw->method_data);
1128 l = g_list_reverse (mw->method_data);
1129 if (method->dynamic)
1130 data = g_malloc (sizeof (gpointer) * (i + 1));
1132 data = mono_mempool_alloc (mp, sizeof (gpointer) * (i + 1));
1133 /* store the size in the first element */
1134 data [0] = GUINT_TO_POINTER (i);
1136 for (tmp = l; tmp; tmp = tmp->next) {
1137 data [i++] = tmp->data;
1141 ((MonoMethodWrapper*)method)->method_data = data;
1144 static int total_code = 0;
1145 static int total_alloc = 0;
1146 total_code += mb->pos;
1147 total_alloc += mb->code_size;
1148 g_print ("code size: %d of %d (allocated: %d)\n", mb->pos, total_code, total_alloc);
1151 #ifdef DEBUG_RUNTIME_CODE
1152 printf ("RUNTIME CODE FOR %s\n", mono_method_full_name (method, TRUE));
1153 printf ("%s\n", mono_disasm_code (&marshal_dh, method, mb->code, mb->code + mb->pos));
1156 mono_loader_unlock ();
1161 mono_mb_add_data (MonoMethodBuilder *mb, gpointer data)
1163 MonoMethodWrapper *mw;
1165 g_assert (mb != NULL);
1167 mw = (MonoMethodWrapper *)mb->method;
1169 /* one O(n) is enough */
1170 mw->method_data = g_list_prepend (mw->method_data, data);
1172 return g_list_length (mw->method_data);
1176 mono_mb_patch_addr (MonoMethodBuilder *mb, int pos, int value)
1178 mb->code [pos] = value & 0xff;
1179 mb->code [pos + 1] = (value >> 8) & 0xff;
1180 mb->code [pos + 2] = (value >> 16) & 0xff;
1181 mb->code [pos + 3] = (value >> 24) & 0xff;
1185 mono_mb_patch_addr_s (MonoMethodBuilder *mb, int pos, gint8 value)
1187 *((gint8 *)(&mb->code [pos])) = value;
1191 mono_mb_emit_byte (MonoMethodBuilder *mb, guint8 op)
1193 if (mb->pos >= mb->code_size) {
1194 mb->code_size += mb->code_size >> 1;
1195 mb->code = g_realloc (mb->code, mb->code_size);
1198 mb->code [mb->pos++] = op;
1202 mono_mb_emit_ldflda (MonoMethodBuilder *mb, gint32 offset)
1204 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1205 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
1208 mono_mb_emit_icon (mb, offset);
1209 mono_mb_emit_byte (mb, CEE_ADD);
1214 mono_mb_emit_proxy_check (MonoMethodBuilder *mb, int branch_code)
1217 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
1218 mono_mb_emit_byte (mb, CEE_LDIND_I);
1219 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoVTable, klass));
1220 mono_mb_emit_byte (mb, CEE_ADD);
1221 mono_mb_emit_byte (mb, CEE_LDIND_I);
1222 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1223 mono_mb_emit_byte (mb, CEE_MONO_CLASSCONST);
1224 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_defaults.transparent_proxy_class));
1225 mono_mb_emit_byte (mb, branch_code);
1227 mono_mb_emit_i4 (mb, 0);
1232 mono_mb_emit_xdomain_check (MonoMethodBuilder *mb, int branch_code)
1235 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
1236 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1237 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoRealProxy, target_domain_id));
1238 mono_mb_emit_byte (mb, CEE_LDIND_I4);
1239 mono_mb_emit_icon (mb, -1);
1240 mono_mb_emit_byte (mb, branch_code);
1242 mono_mb_emit_i4 (mb, 0);
1247 mono_mb_emit_i4 (MonoMethodBuilder *mb, gint32 data)
1249 if ((mb->pos + 4) >= mb->code_size) {
1250 mb->code_size += mb->code_size >> 1;
1251 mb->code = g_realloc (mb->code, mb->code_size);
1254 mono_mb_patch_addr (mb, mb->pos, data);
1259 mono_mb_emit_i2 (MonoMethodBuilder *mb, gint16 data)
1261 if ((mb->pos + 2) >= mb->code_size) {
1262 mb->code_size += mb->code_size >> 1;
1263 mb->code = g_realloc (mb->code, mb->code_size);
1266 mb->code [mb->pos] = data & 0xff;
1267 mb->code [mb->pos + 1] = (data >> 8) & 0xff;
1272 mono_mb_emit_op (MonoMethodBuilder *mb, guint8 op, gpointer data)
1274 mono_mb_emit_byte (mb, op);
1275 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, data));
1279 mono_mb_emit_ldstr (MonoMethodBuilder *mb, char *str)
1281 mono_mb_emit_op (mb, CEE_LDSTR, str);
1285 mono_mb_emit_ldarg (MonoMethodBuilder *mb, guint argnum)
1288 mono_mb_emit_byte (mb, CEE_LDARG_0 + argnum);
1289 } else if (argnum < 256) {
1290 mono_mb_emit_byte (mb, CEE_LDARG_S);
1291 mono_mb_emit_byte (mb, argnum);
1293 mono_mb_emit_byte (mb, CEE_PREFIX1);
1294 mono_mb_emit_byte (mb, CEE_LDARG);
1295 mono_mb_emit_i2 (mb, argnum);
1300 mono_mb_emit_ldarg_addr (MonoMethodBuilder *mb, guint argnum)
1303 mono_mb_emit_byte (mb, CEE_LDARGA_S);
1304 mono_mb_emit_byte (mb, argnum);
1306 mono_mb_emit_byte (mb, CEE_PREFIX1);
1307 mono_mb_emit_byte (mb, CEE_LDARGA);
1308 mono_mb_emit_i2 (mb, argnum);
1313 mono_mb_emit_ldloc_addr (MonoMethodBuilder *mb, guint locnum)
1316 mono_mb_emit_byte (mb, CEE_LDLOCA_S);
1317 mono_mb_emit_byte (mb, locnum);
1319 mono_mb_emit_byte (mb, CEE_PREFIX1);
1320 mono_mb_emit_byte (mb, CEE_LDLOCA);
1321 mono_mb_emit_i2 (mb, locnum);
1326 mono_mb_emit_ldloc (MonoMethodBuilder *mb, guint num)
1329 mono_mb_emit_byte (mb, CEE_LDLOC_0 + num);
1330 } else if (num < 256) {
1331 mono_mb_emit_byte (mb, CEE_LDLOC_S);
1332 mono_mb_emit_byte (mb, num);
1334 mono_mb_emit_byte (mb, CEE_PREFIX1);
1335 mono_mb_emit_byte (mb, CEE_LDLOC);
1336 mono_mb_emit_i2 (mb, num);
1341 mono_mb_emit_stloc (MonoMethodBuilder *mb, guint num)
1344 mono_mb_emit_byte (mb, CEE_STLOC_0 + num);
1345 } else if (num < 256) {
1346 mono_mb_emit_byte (mb, CEE_STLOC_S);
1347 mono_mb_emit_byte (mb, num);
1349 mono_mb_emit_byte (mb, CEE_PREFIX1);
1350 mono_mb_emit_byte (mb, CEE_STLOC);
1351 mono_mb_emit_i2 (mb, num);
1356 mono_mb_emit_icon (MonoMethodBuilder *mb, gint32 value)
1358 if (value >= -1 && value < 8) {
1359 mono_mb_emit_byte (mb, CEE_LDC_I4_0 + value);
1360 } else if (value >= -128 && value <= 127) {
1361 mono_mb_emit_byte (mb, CEE_LDC_I4_S);
1362 mono_mb_emit_byte (mb, value);
1364 mono_mb_emit_byte (mb, CEE_LDC_I4);
1365 mono_mb_emit_i4 (mb, value);
1370 mono_mb_emit_branch (MonoMethodBuilder *mb, guint8 op)
1373 mono_mb_emit_byte (mb, op);
1375 mono_mb_emit_i4 (mb, 0);
1380 mono_mb_emit_short_branch (MonoMethodBuilder *mb, guint8 op)
1383 mono_mb_emit_byte (mb, op);
1385 mono_mb_emit_byte (mb, 0);
1391 mono_mb_patch_branch (MonoMethodBuilder *mb, guint32 pos)
1393 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
1397 mono_mb_patch_short_branch (MonoMethodBuilder *mb, guint32 pos)
1399 mono_mb_patch_addr_s (mb, pos, mb->pos - (pos + 1));
1403 mono_mb_emit_ptr (MonoMethodBuilder *mb, gpointer ptr)
1405 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1406 mono_mb_emit_op (mb, CEE_MONO_LDPTR, ptr);
1410 mono_mb_emit_calli (MonoMethodBuilder *mb, MonoMethodSignature *sig)
1412 mono_mb_emit_op (mb, CEE_CALLI, sig);
1416 mono_mb_emit_managed_call (MonoMethodBuilder *mb, MonoMethod *method, MonoMethodSignature *opt_sig)
1418 mono_mb_emit_op (mb, CEE_CALL, method);
1422 mono_mb_emit_native_call (MonoMethodBuilder *mb, MonoMethodSignature *sig, gpointer func)
1424 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1425 mono_mb_emit_byte (mb, CEE_MONO_SAVE_LMF);
1426 mono_mb_emit_ptr (mb, func);
1427 mono_mb_emit_calli (mb, sig);
1428 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1429 mono_mb_emit_byte (mb, CEE_MONO_RESTORE_LMF);
1433 mono_mb_emit_icall (MonoMethodBuilder *mb, gpointer func)
1435 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1436 mono_mb_emit_op (mb, CEE_MONO_ICALL, func);
1440 mono_mb_emit_cominterop_call (MonoMethodBuilder *mb, MonoMethodSignature *sig, MonoMethod* method)
1442 // get function pointer from 1st arg, the COM interface pointer
1443 mono_mb_emit_ldarg (mb, 0);
1444 mono_mb_emit_icon (mb, cominterop_get_com_slot_for_method (method));
1445 mono_mb_emit_icall (mb, cominterop_get_function_pointer);
1447 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1448 mono_mb_emit_byte (mb, CEE_MONO_SAVE_LMF);
1449 mono_mb_emit_calli (mb, sig);
1450 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1451 mono_mb_emit_byte (mb, CEE_MONO_RESTORE_LMF);
1455 mono_mb_emit_exception_full (MonoMethodBuilder *mb, const char *exc_nspace, const char *exc_name, const char *msg)
1457 MonoMethod *ctor = NULL;
1459 MonoClass *mme = mono_class_from_name (mono_defaults.corlib, exc_nspace, exc_name);
1460 mono_class_init (mme);
1461 ctor = mono_class_get_method_from_name (mme, ".ctor", 0);
1463 mono_mb_emit_op (mb, CEE_NEWOBJ, ctor);
1465 mono_mb_emit_byte (mb, CEE_DUP);
1466 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoException, message));
1467 mono_mb_emit_ldstr (mb, (char*)msg);
1468 mono_mb_emit_byte (mb, CEE_STIND_REF);
1470 mono_mb_emit_byte (mb, CEE_THROW);
1474 mono_mb_emit_exception (MonoMethodBuilder *mb, const char *exc_name, const char *msg)
1476 mono_mb_emit_exception_full (mb, "System", exc_name, msg);
1480 mono_mb_emit_exception_marshal_directive (MonoMethodBuilder *mb, const char *msg)
1482 mono_mb_emit_exception_full (mb, "System.Runtime.InteropServices", "MarshalDirectiveException", msg);
1486 mono_mb_emit_add_to_local (MonoMethodBuilder *mb, guint16 local, gint32 incr)
1488 mono_mb_emit_ldloc (mb, local);
1489 mono_mb_emit_icon (mb, incr);
1490 mono_mb_emit_byte (mb, CEE_ADD);
1491 mono_mb_emit_stloc (mb, local);
1495 mono_type_to_ldind (MonoType *type)
1501 switch (type->type) {
1503 return CEE_LDIND_I1;
1505 case MONO_TYPE_BOOLEAN:
1506 return CEE_LDIND_U1;
1508 return CEE_LDIND_I2;
1510 case MONO_TYPE_CHAR:
1511 return CEE_LDIND_U2;
1513 return CEE_LDIND_I4;
1515 return CEE_LDIND_U4;
1519 case MONO_TYPE_FNPTR:
1521 case MONO_TYPE_CLASS:
1522 case MONO_TYPE_STRING:
1523 case MONO_TYPE_OBJECT:
1524 case MONO_TYPE_SZARRAY:
1525 case MONO_TYPE_ARRAY:
1526 return CEE_LDIND_REF;
1529 return CEE_LDIND_I8;
1531 return CEE_LDIND_R4;
1533 return CEE_LDIND_R8;
1534 case MONO_TYPE_VALUETYPE:
1535 if (type->data.klass->enumtype) {
1536 type = type->data.klass->enum_basetype;
1540 case MONO_TYPE_TYPEDBYREF:
1542 case MONO_TYPE_GENERICINST:
1543 type = &type->data.generic_class->container_class->byval_arg;
1546 g_error ("unknown type 0x%02x in type_to_ldind", type->type);
1552 mono_type_to_stind (MonoType *type)
1558 switch (type->type) {
1561 case MONO_TYPE_BOOLEAN:
1562 return CEE_STIND_I1;
1565 case MONO_TYPE_CHAR:
1566 return CEE_STIND_I2;
1569 return CEE_STIND_I4;
1573 case MONO_TYPE_FNPTR:
1575 case MONO_TYPE_CLASS:
1576 case MONO_TYPE_STRING:
1577 case MONO_TYPE_OBJECT:
1578 case MONO_TYPE_SZARRAY:
1579 case MONO_TYPE_ARRAY:
1580 return CEE_STIND_REF;
1583 return CEE_STIND_I8;
1585 return CEE_STIND_R4;
1587 return CEE_STIND_R8;
1588 case MONO_TYPE_VALUETYPE:
1589 if (type->data.klass->enumtype) {
1590 type = type->data.klass->enum_basetype;
1594 case MONO_TYPE_TYPEDBYREF:
1596 case MONO_TYPE_GENERICINST:
1597 type = &type->data.generic_class->container_class->byval_arg;
1600 g_error ("unknown type 0x%02x in type_to_stind", type->type);
1606 emit_ptr_to_object_conv (MonoMethodBuilder *mb, MonoType *type, MonoMarshalConv conv, MonoMarshalSpec *mspec)
1609 case MONO_MARSHAL_CONV_BOOL_I4:
1610 mono_mb_emit_ldloc (mb, 1);
1611 mono_mb_emit_ldloc (mb, 0);
1612 mono_mb_emit_byte (mb, CEE_LDIND_I4);
1613 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
1614 mono_mb_emit_byte (mb, 3);
1615 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
1616 mono_mb_emit_byte (mb, CEE_BR_S);
1617 mono_mb_emit_byte (mb, 1);
1618 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
1619 mono_mb_emit_byte (mb, CEE_STIND_I1);
1621 case MONO_MARSHAL_CONV_BOOL_VARIANTBOOL:
1622 mono_mb_emit_ldloc (mb, 1);
1623 mono_mb_emit_ldloc (mb, 0);
1624 mono_mb_emit_byte (mb, CEE_LDIND_I2);
1625 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
1626 mono_mb_emit_byte (mb, 3);
1627 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
1628 mono_mb_emit_byte (mb, CEE_BR_S);
1629 mono_mb_emit_byte (mb, 1);
1630 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
1631 mono_mb_emit_byte (mb, CEE_STIND_I1);
1633 case MONO_MARSHAL_CONV_ARRAY_BYVALARRAY: {
1634 MonoClass *eklass = NULL;
1637 if (type->type == MONO_TYPE_SZARRAY) {
1638 eklass = type->data.klass;
1640 g_assert_not_reached ();
1643 esize = mono_class_native_size (eklass, NULL);
1645 /* create a new array */
1646 mono_mb_emit_ldloc (mb, 1);
1647 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1648 mono_mb_emit_op (mb, CEE_NEWARR, eklass);
1649 mono_mb_emit_byte (mb, CEE_STIND_I);
1651 if (eklass->blittable) {
1652 /* copy the elements */
1653 mono_mb_emit_ldloc (mb, 1);
1654 mono_mb_emit_byte (mb, CEE_LDIND_I);
1655 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArray, vector));
1656 mono_mb_emit_byte (mb, CEE_ADD);
1657 mono_mb_emit_ldloc (mb, 0);
1658 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem * esize);
1659 mono_mb_emit_byte (mb, CEE_PREFIX1);
1660 mono_mb_emit_byte (mb, CEE_CPBLK);
1663 int array_var, src_var, dst_var, index_var;
1664 guint32 label2, label3;
1666 array_var = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
1667 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1668 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1671 mono_mb_emit_ldloc (mb, 1);
1672 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1673 mono_mb_emit_stloc (mb, array_var);
1675 /* save the old src pointer */
1676 mono_mb_emit_ldloc (mb, 0);
1677 mono_mb_emit_stloc (mb, src_var);
1678 /* save the old dst pointer */
1679 mono_mb_emit_ldloc (mb, 1);
1680 mono_mb_emit_stloc (mb, dst_var);
1682 /* Emit marshalling loop */
1683 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1684 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
1685 mono_mb_emit_stloc (mb, index_var);
1689 mono_mb_emit_ldloc (mb, index_var);
1690 mono_mb_emit_ldloc (mb, array_var);
1691 mono_mb_emit_byte (mb, CEE_LDLEN);
1692 label3 = mono_mb_emit_branch (mb, CEE_BGE);
1694 /* src is already set */
1697 mono_mb_emit_ldloc (mb, array_var);
1698 mono_mb_emit_ldloc (mb, index_var);
1699 mono_mb_emit_op (mb, CEE_LDELEMA, eklass);
1700 mono_mb_emit_stloc (mb, 1);
1702 /* Do the conversion */
1703 emit_struct_conv (mb, eklass, TRUE);
1706 mono_mb_emit_add_to_local (mb, index_var, 1);
1708 mono_mb_emit_byte (mb, CEE_BR);
1709 mono_mb_emit_i4 (mb, label2 - (mb->pos + 4));
1711 mono_mb_patch_branch (mb, label3);
1713 /* restore the old src pointer */
1714 mono_mb_emit_ldloc (mb, src_var);
1715 mono_mb_emit_stloc (mb, 0);
1716 /* restore the old dst pointer */
1717 mono_mb_emit_ldloc (mb, dst_var);
1718 mono_mb_emit_stloc (mb, 1);
1722 case MONO_MARSHAL_CONV_ARRAY_BYVALCHARARRAY: {
1723 MonoClass *eclass = mono_defaults.char_class;
1725 /* create a new array */
1726 mono_mb_emit_ldloc (mb, 1);
1727 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1728 mono_mb_emit_op (mb, CEE_NEWARR, eclass);
1729 mono_mb_emit_byte (mb, CEE_STIND_REF);
1731 mono_mb_emit_ldloc (mb, 1);
1732 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1733 mono_mb_emit_ldloc (mb, 0);
1734 mono_mb_emit_ptr (mb, mono_defaults.byte_class);
1735 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1736 mono_mb_emit_icall (mb, mono_byvalarray_to_array);
1739 case MONO_MARSHAL_CONV_STR_BYVALSTR:
1740 mono_mb_emit_ldloc (mb, 1);
1741 mono_mb_emit_ldloc (mb, 0);
1742 mono_mb_emit_icall (mb, mono_string_new_wrapper);
1743 mono_mb_emit_byte (mb, CEE_STIND_REF);
1745 case MONO_MARSHAL_CONV_STR_BYVALWSTR:
1746 mono_mb_emit_ldloc (mb, 1);
1747 mono_mb_emit_ldloc (mb, 0);
1748 mono_mb_emit_icall (mb, mono_string_from_utf16);
1749 mono_mb_emit_byte (mb, CEE_STIND_REF);
1751 case MONO_MARSHAL_CONV_STR_LPTSTR:
1752 case MONO_MARSHAL_CONV_STR_LPSTR:
1753 mono_mb_emit_ldloc (mb, 1);
1754 mono_mb_emit_ldloc (mb, 0);
1755 mono_mb_emit_byte (mb, CEE_LDIND_I);
1756 mono_mb_emit_icall (mb, mono_string_new_wrapper);
1757 mono_mb_emit_byte (mb, CEE_STIND_REF);
1759 case MONO_MARSHAL_CONV_STR_LPWSTR:
1760 mono_mb_emit_ldloc (mb, 1);
1761 mono_mb_emit_ldloc (mb, 0);
1762 mono_mb_emit_byte (mb, CEE_LDIND_I);
1763 mono_mb_emit_icall (mb, mono_string_from_utf16);
1764 mono_mb_emit_byte (mb, CEE_STIND_REF);
1766 case MONO_MARSHAL_CONV_OBJECT_STRUCT: {
1767 MonoClass *klass = mono_class_from_mono_type (type);
1768 int src_var, dst_var;
1770 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1771 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1773 /* *dst = new object */
1774 mono_mb_emit_ldloc (mb, 1);
1775 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1776 mono_mb_emit_op (mb, CEE_MONO_NEWOBJ, klass);
1777 mono_mb_emit_byte (mb, CEE_STIND_REF);
1779 /* save the old src pointer */
1780 mono_mb_emit_ldloc (mb, 0);
1781 mono_mb_emit_stloc (mb, src_var);
1782 /* save the old dst pointer */
1783 mono_mb_emit_ldloc (mb, 1);
1784 mono_mb_emit_stloc (mb, dst_var);
1786 /* dst = pointer to newly created object data */
1787 mono_mb_emit_ldloc (mb, 1);
1788 mono_mb_emit_byte (mb, CEE_LDIND_I);
1789 mono_mb_emit_icon (mb, sizeof (MonoObject));
1790 mono_mb_emit_byte (mb, CEE_ADD);
1791 mono_mb_emit_stloc (mb, 1);
1793 emit_struct_conv (mb, klass, TRUE);
1795 /* restore the old src pointer */
1796 mono_mb_emit_ldloc (mb, src_var);
1797 mono_mb_emit_stloc (mb, 0);
1798 /* restore the old dst pointer */
1799 mono_mb_emit_ldloc (mb, dst_var);
1800 mono_mb_emit_stloc (mb, 1);
1803 case MONO_MARSHAL_CONV_DEL_FTN: {
1804 MonoClass *klass = mono_class_from_mono_type (type);
1806 mono_mb_emit_ldloc (mb, 1);
1807 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1808 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
1809 mono_mb_emit_ldloc (mb, 0);
1810 mono_mb_emit_byte (mb, CEE_LDIND_I);
1811 mono_mb_emit_icall (mb, mono_ftnptr_to_delegate);
1812 mono_mb_emit_byte (mb, CEE_STIND_REF);
1815 case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
1816 g_error ("Structure field of type %s can't be marshalled as LPArray", mono_class_from_mono_type (type)->name);
1818 case MONO_MARSHAL_CONV_OBJECT_INTERFACE:
1819 case MONO_MARSHAL_CONV_OBJECT_IUNKNOWN:
1820 case MONO_MARSHAL_CONV_OBJECT_IDISPATCH: {
1821 static MonoClass* com_interop_proxy_class = NULL;
1822 static MonoMethod* com_interop_proxy_get_proxy = NULL;
1823 static MonoMethod* get_transparent_proxy = NULL;
1825 guint32 pos_failed = 0;
1826 MonoClass *klass = mono_class_from_mono_type (type);
1828 mono_mb_emit_ldloc (mb, 1);
1829 mono_mb_emit_byte (mb, CEE_LDNULL);
1830 mono_mb_emit_byte (mb, CEE_STIND_REF);
1832 mono_mb_emit_ldloc (mb, 0);
1833 mono_mb_emit_byte (mb, CEE_LDIND_I);
1834 pos_failed = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
1836 if (!com_interop_proxy_class)
1837 com_interop_proxy_class = mono_class_from_name (mono_defaults.corlib, "Mono.Interop", "ComInteropProxy");
1838 if (!com_interop_proxy_get_proxy)
1839 com_interop_proxy_get_proxy = mono_class_get_method_from_name_flags (com_interop_proxy_class, "GetProxy", 2, METHOD_ATTRIBUTE_PRIVATE);
1840 if (!get_transparent_proxy)
1841 get_transparent_proxy = mono_class_get_method_from_name (mono_defaults.real_proxy_class, "GetTransparentProxy", 0);
1843 real_proxy = mono_mb_add_local (mb, &com_interop_proxy_class->byval_arg);
1845 mono_mb_emit_ldloc (mb, 0);
1846 mono_mb_emit_byte (mb, CEE_LDIND_I);
1847 mono_mb_emit_ptr (mb, &mono_defaults.com_object_class->byval_arg);
1848 mono_mb_emit_icall (mb, type_from_handle);
1849 mono_mb_emit_managed_call (mb, com_interop_proxy_get_proxy, NULL);
1850 mono_mb_emit_stloc (mb, real_proxy);
1853 mono_mb_emit_ldloc (mb, 1);
1854 mono_mb_emit_ldloc (mb, real_proxy);
1855 mono_mb_emit_managed_call (mb, get_transparent_proxy, NULL);
1856 if (klass && klass != mono_defaults.object_class)
1857 mono_mb_emit_op (mb, CEE_CASTCLASS, klass);
1858 mono_mb_emit_byte (mb, CEE_STIND_REF);
1861 mono_mb_patch_short_branch (mb, pos_failed);
1865 case MONO_MARSHAL_CONV_SAFEHANDLE: {
1867 * Passing SafeHandles as ref does not allow the unmanaged code
1868 * to change the SafeHandle value. If the value is changed,
1869 * we should issue a diagnostic exception (NotSupportedException)
1870 * that informs the user that changes to handles in unmanaged code
1873 * Since we currently have no access to the original
1874 * SafeHandle that was used during the marshalling,
1875 * for now we just ignore this, and ignore/discard any
1876 * changes that might have happened to the handle.
1881 case MONO_MARSHAL_CONV_STR_BSTR:
1882 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
1883 case MONO_MARSHAL_CONV_STR_TBSTR:
1884 case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
1886 g_warning ("marshaling conversion %d not implemented", conv);
1887 g_assert_not_reached ();
1892 conv_to_icall (MonoMarshalConv conv)
1895 case MONO_MARSHAL_CONV_STR_LPWSTR:
1896 return mono_marshal_string_to_utf16;
1897 case MONO_MARSHAL_CONV_LPWSTR_STR:
1898 return mono_string_from_utf16;
1899 case MONO_MARSHAL_CONV_LPSTR_STR:
1900 return mono_string_new_wrapper;
1901 case MONO_MARSHAL_CONV_STR_LPTSTR:
1902 case MONO_MARSHAL_CONV_STR_LPSTR:
1903 return mono_string_to_lpstr;
1904 case MONO_MARSHAL_CONV_STR_BSTR:
1905 return mono_string_to_bstr;
1906 case MONO_MARSHAL_CONV_BSTR_STR:
1907 return mono_string_from_bstr;
1908 case MONO_MARSHAL_CONV_STR_TBSTR:
1909 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
1910 return mono_string_to_ansibstr;
1911 case MONO_MARSHAL_CONV_SB_LPSTR:
1912 case MONO_MARSHAL_CONV_SB_LPTSTR:
1913 return mono_string_builder_to_utf8;
1914 case MONO_MARSHAL_CONV_SB_LPWSTR:
1915 return mono_string_builder_to_utf16;
1916 case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
1917 return mono_array_to_savearray;
1918 case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
1919 return mono_array_to_lparray;
1920 case MONO_MARSHAL_CONV_DEL_FTN:
1921 return mono_delegate_to_ftnptr;
1922 case MONO_MARSHAL_CONV_FTN_DEL:
1923 return mono_ftnptr_to_delegate;
1924 case MONO_MARSHAL_CONV_LPSTR_SB:
1925 case MONO_MARSHAL_CONV_LPTSTR_SB:
1926 return mono_string_utf8_to_builder;
1927 case MONO_MARSHAL_CONV_LPWSTR_SB:
1928 return mono_string_utf16_to_builder;
1929 case MONO_MARSHAL_FREE_ARRAY:
1930 return mono_marshal_free_array;
1931 case MONO_MARSHAL_CONV_STR_BYVALSTR:
1932 return mono_string_to_byvalstr;
1933 case MONO_MARSHAL_CONV_STR_BYVALWSTR:
1934 return mono_string_to_byvalwstr;
1936 g_assert_not_reached ();
1943 emit_object_to_ptr_conv (MonoMethodBuilder *mb, MonoType *type, MonoMarshalConv conv, MonoMarshalSpec *mspec)
1948 case MONO_MARSHAL_CONV_BOOL_I4:
1949 mono_mb_emit_ldloc (mb, 1);
1950 mono_mb_emit_ldloc (mb, 0);
1951 mono_mb_emit_byte (mb, CEE_LDIND_U1);
1952 mono_mb_emit_byte (mb, CEE_STIND_I4);
1954 case MONO_MARSHAL_CONV_BOOL_VARIANTBOOL:
1955 mono_mb_emit_ldloc (mb, 1);
1956 mono_mb_emit_ldloc (mb, 0);
1957 mono_mb_emit_byte (mb, CEE_LDIND_U1);
1958 mono_mb_emit_byte (mb, CEE_NEG);
1959 mono_mb_emit_byte (mb, CEE_STIND_I2);
1961 case MONO_MARSHAL_CONV_STR_LPWSTR:
1962 case MONO_MARSHAL_CONV_STR_LPSTR:
1963 case MONO_MARSHAL_CONV_STR_LPTSTR:
1964 case MONO_MARSHAL_CONV_STR_BSTR:
1965 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
1966 case MONO_MARSHAL_CONV_STR_TBSTR: {
1969 /* free space if free == true */
1970 mono_mb_emit_ldloc (mb, 2);
1971 pos = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
1972 mono_mb_emit_ldloc (mb, 1);
1973 mono_mb_emit_byte (mb, CEE_LDIND_I);
1974 mono_mb_emit_icall (mb, g_free);
1975 mono_mb_patch_short_branch (mb, pos);
1977 mono_mb_emit_ldloc (mb, 1);
1978 mono_mb_emit_ldloc (mb, 0);
1979 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1980 mono_mb_emit_icall (mb, conv_to_icall (conv));
1981 mono_mb_emit_byte (mb, CEE_STIND_I);
1984 case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
1985 case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
1986 case MONO_MARSHAL_CONV_DEL_FTN:
1987 mono_mb_emit_ldloc (mb, 1);
1988 mono_mb_emit_ldloc (mb, 0);
1989 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1990 mono_mb_emit_icall (mb, conv_to_icall (conv));
1991 mono_mb_emit_byte (mb, CEE_STIND_I);
1993 case MONO_MARSHAL_CONV_STR_BYVALSTR:
1994 case MONO_MARSHAL_CONV_STR_BYVALWSTR: {
1997 mono_mb_emit_ldloc (mb, 1); /* dst */
1998 mono_mb_emit_ldloc (mb, 0);
1999 mono_mb_emit_byte (mb, CEE_LDIND_REF); /* src String */
2000 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
2001 mono_mb_emit_icall (mb, conv_to_icall (conv));
2004 case MONO_MARSHAL_CONV_ARRAY_BYVALARRAY: {
2005 MonoClass *eklass = NULL;
2008 if (type->type == MONO_TYPE_SZARRAY) {
2009 eklass = type->data.klass;
2011 g_assert_not_reached ();
2014 if (eklass->valuetype)
2015 esize = mono_class_native_size (eklass, NULL);
2017 esize = sizeof (gpointer);
2019 mono_mb_emit_ldloc (mb, 0);
2020 mono_mb_emit_byte (mb, CEE_LDIND_REF);
2021 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
2023 if (eklass->blittable) {
2024 mono_mb_emit_ldloc (mb, 1);
2025 mono_mb_emit_ldloc (mb, 0);
2026 mono_mb_emit_byte (mb, CEE_LDIND_REF);
2027 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoArray, vector));
2028 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem * esize);
2029 mono_mb_emit_byte (mb, CEE_PREFIX1);
2030 mono_mb_emit_byte (mb, CEE_CPBLK);
2032 int array_var, src_var, dst_var, index_var;
2033 guint32 label2, label3;
2035 array_var = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
2036 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2037 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2040 mono_mb_emit_ldloc (mb, 0);
2041 mono_mb_emit_byte (mb, CEE_LDIND_REF);
2042 mono_mb_emit_stloc (mb, array_var);
2044 /* save the old src pointer */
2045 mono_mb_emit_ldloc (mb, 0);
2046 mono_mb_emit_stloc (mb, src_var);
2047 /* save the old dst pointer */
2048 mono_mb_emit_ldloc (mb, 1);
2049 mono_mb_emit_stloc (mb, dst_var);
2051 /* Emit marshalling loop */
2052 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2053 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
2054 mono_mb_emit_stloc (mb, index_var);
2058 mono_mb_emit_ldloc (mb, index_var);
2059 mono_mb_emit_ldloc (mb, array_var);
2060 mono_mb_emit_byte (mb, CEE_LDLEN);
2061 label3 = mono_mb_emit_branch (mb, CEE_BGE);
2064 mono_mb_emit_ldloc (mb, array_var);
2065 mono_mb_emit_ldloc (mb, index_var);
2066 mono_mb_emit_op (mb, CEE_LDELEMA, eklass);
2067 mono_mb_emit_stloc (mb, 0);
2069 /* dst is already set */
2071 /* Do the conversion */
2072 emit_struct_conv (mb, eklass, FALSE);
2075 mono_mb_emit_add_to_local (mb, index_var, 1);
2077 mono_mb_emit_byte (mb, CEE_BR);
2078 mono_mb_emit_i4 (mb, label2 - (mb->pos + 4));
2080 mono_mb_patch_branch (mb, label3);
2082 /* restore the old src pointer */
2083 mono_mb_emit_ldloc (mb, src_var);
2084 mono_mb_emit_stloc (mb, 0);
2085 /* restore the old dst pointer */
2086 mono_mb_emit_ldloc (mb, dst_var);
2087 mono_mb_emit_stloc (mb, 1);
2090 mono_mb_patch_branch (mb, pos);
2093 case MONO_MARSHAL_CONV_ARRAY_BYVALCHARARRAY: {
2094 mono_mb_emit_ldloc (mb, 0);
2095 mono_mb_emit_byte (mb, CEE_LDIND_REF);
2096 pos = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
2098 mono_mb_emit_ldloc (mb, 1);
2099 mono_mb_emit_ldloc (mb, 0);
2100 mono_mb_emit_byte (mb, CEE_LDIND_REF);
2101 mono_mb_emit_ptr (mb, mono_defaults.byte_class);
2102 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
2103 mono_mb_emit_icall (mb, mono_array_to_byvalarray);
2104 mono_mb_patch_short_branch (mb, pos);
2107 case MONO_MARSHAL_CONV_OBJECT_STRUCT: {
2108 int src_var, dst_var;
2110 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2111 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2113 mono_mb_emit_ldloc (mb, 0);
2114 mono_mb_emit_byte (mb, CEE_LDIND_I);
2115 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
2117 /* save the old src pointer */
2118 mono_mb_emit_ldloc (mb, 0);
2119 mono_mb_emit_stloc (mb, src_var);
2120 /* save the old dst pointer */
2121 mono_mb_emit_ldloc (mb, 1);
2122 mono_mb_emit_stloc (mb, dst_var);
2124 /* src = pointer to object data */
2125 mono_mb_emit_ldloc (mb, 0);
2126 mono_mb_emit_byte (mb, CEE_LDIND_I);
2127 mono_mb_emit_icon (mb, sizeof (MonoObject));
2128 mono_mb_emit_byte (mb, CEE_ADD);
2129 mono_mb_emit_stloc (mb, 0);
2131 emit_struct_conv (mb, mono_class_from_mono_type (type), FALSE);
2133 /* restore the old src pointer */
2134 mono_mb_emit_ldloc (mb, src_var);
2135 mono_mb_emit_stloc (mb, 0);
2136 /* restore the old dst pointer */
2137 mono_mb_emit_ldloc (mb, dst_var);
2138 mono_mb_emit_stloc (mb, 1);
2140 mono_mb_patch_branch (mb, pos);
2143 case MONO_MARSHAL_CONV_OBJECT_INTERFACE:
2144 case MONO_MARSHAL_CONV_OBJECT_IDISPATCH:
2145 case MONO_MARSHAL_CONV_OBJECT_IUNKNOWN: {
2146 guint32 pos_failed = 0, pos_rcw = 0;
2149 mono_mb_emit_ldloc (mb, 1);
2150 //mono_mb_emit_ldloc (mb, 0);
2151 mono_mb_emit_ptr (mb, 0);
2152 //mono_mb_emit_byte (mb, CEE_LDIND_U1);
2153 mono_mb_emit_byte (mb, CEE_STIND_I);
2155 mono_mb_emit_ldloc (mb, 0);
2156 mono_mb_emit_byte (mb, CEE_LDIND_REF);
2158 // if null just break, dst was already inited to 0
2159 pos_failed = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
2161 mono_mb_emit_ldloc (mb, 0);
2162 mono_mb_emit_byte (mb, CEE_LDIND_REF);
2163 mono_mb_emit_icall (mb, cominterop_object_is_rcw);
2164 pos_rcw = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
2166 // load dst to store later
2167 mono_mb_emit_ldloc (mb, 1);
2170 mono_mb_emit_ldloc (mb, 0);
2171 mono_mb_emit_byte (mb, CEE_LDIND_REF);
2172 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
2173 mono_mb_emit_byte (mb, CEE_LDIND_REF);
2175 /* load the RCW from the ComInteropProxy*/
2176 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoComInteropProxy, com_object));
2177 mono_mb_emit_byte (mb, CEE_LDIND_REF);
2179 if (conv == MONO_MARSHAL_CONV_OBJECT_INTERFACE) {
2180 static MonoMethod* GetInterface = NULL;
2183 GetInterface = mono_class_get_method_from_name (mono_defaults.com_object_class, "GetInterface", 1);
2184 mono_mb_emit_ptr (mb, type);
2185 mono_mb_emit_icall (mb, type_from_handle);
2186 mono_mb_emit_managed_call (mb, GetInterface, NULL);
2188 else if (conv == MONO_MARSHAL_CONV_OBJECT_IUNKNOWN) {
2189 static MonoProperty* iunknown = NULL;
2192 iunknown = mono_class_get_property_from_name (mono_defaults.com_object_class, "IUnknown");
2193 mono_mb_emit_managed_call (mb, iunknown->get, NULL);
2195 else if (conv == MONO_MARSHAL_CONV_OBJECT_IDISPATCH) {
2196 static MonoProperty* idispatch = NULL;
2199 idispatch = mono_class_get_property_from_name (mono_defaults.com_object_class, "IDispatch");
2200 mono_mb_emit_managed_call (mb, idispatch->get, NULL);
2204 mono_mb_emit_byte (mb, CEE_STIND_I);
2207 mono_mb_patch_short_branch (mb, pos_rcw);
2208 msg = g_strdup ("Marshalling of COM Callable Wrappers is not yet implemented.");
2209 mono_mb_emit_exception_marshal_directive (mb, msg);
2212 mono_mb_patch_short_branch (mb, pos_failed);
2216 case MONO_MARSHAL_CONV_SAFEHANDLE: {
2217 int dar_release_slot, pos;
2219 dar_release_slot = mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
2222 * The following is ifdefed-out, because I have no way of doing the
2223 * DangerousRelease when destroying the structure
2226 /* set release = false */
2227 mono_mb_emit_icon (mb, 0);
2228 mono_mb_emit_stloc (mb, dar_release_slot);
2229 if (!sh_dangerous_add_ref)
2230 init_safe_handle ();
2232 /* safehandle.DangerousAddRef (ref release) */
2233 mono_mb_emit_ldloc (mb, 0); /* the source */
2234 mono_mb_emit_byte (mb, CEE_LDIND_I);
2235 mono_mb_emit_ldloc_addr (mb, dar_release_slot);
2236 mono_mb_emit_managed_call (mb, sh_dangerous_add_ref, NULL);
2238 mono_mb_emit_ldloc (mb, 0);
2239 mono_mb_emit_byte (mb, CEE_LDIND_I);
2240 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
2241 mono_mb_emit_exception (mb, "ArgumentNullException", NULL);
2242 mono_mb_patch_branch (mb, pos);
2244 /* Pull the handle field from SafeHandle */
2245 mono_mb_emit_ldloc (mb, 1);
2246 mono_mb_emit_ldloc (mb, 0);
2247 mono_mb_emit_byte (mb, CEE_LDIND_I);
2248 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoSafeHandle, handle));
2249 mono_mb_emit_byte (mb, CEE_LDIND_I);
2250 mono_mb_emit_byte (mb, CEE_STIND_I);
2254 char *msg = g_strdup_printf ("marshalling conversion %d not implemented", conv);
2255 MonoException *exc = mono_get_exception_not_implemented (msg);
2258 mono_raise_exception (exc);
2264 emit_struct_conv (MonoMethodBuilder *mb, MonoClass *klass, gboolean to_object)
2266 MonoMarshalType *info;
2270 emit_struct_conv(mb, klass->parent, to_object);
2272 info = mono_marshal_load_type_info (klass);
2274 if (info->native_size == 0)
2277 if (klass->blittable) {
2278 int msize = mono_class_value_size (klass, NULL);
2279 g_assert (msize == info->native_size);
2280 mono_mb_emit_ldloc (mb, 1);
2281 mono_mb_emit_ldloc (mb, 0);
2282 mono_mb_emit_icon (mb, msize);
2283 mono_mb_emit_byte (mb, CEE_PREFIX1);
2284 mono_mb_emit_byte (mb, CEE_CPBLK);
2286 mono_mb_emit_add_to_local (mb, 0, msize);
2287 mono_mb_emit_add_to_local (mb, 1, msize);
2291 for (i = 0; i < info->num_fields; i++) {
2292 MonoMarshalNative ntype;
2293 MonoMarshalConv conv;
2294 MonoType *ftype = info->fields [i].field->type;
2297 gboolean last_field = i < (info->num_fields -1) ? 0 : 1;
2299 if (ftype->attrs & FIELD_ATTRIBUTE_STATIC)
2302 ntype = mono_type_to_unmanaged (ftype, info->fields [i].mspec, TRUE, klass->unicode, &conv);
2305 msize = klass->instance_size - info->fields [i].field->offset;
2306 usize = info->native_size - info->fields [i].offset;
2308 msize = info->fields [i + 1].field->offset - info->fields [i].field->offset;
2309 usize = info->fields [i + 1].offset - info->fields [i].offset;
2312 if (klass != mono_defaults.safehandle_class){
2314 * FIXME: Should really check for usize==0 and msize>0, but we apply
2315 * the layout to the managed structure as well.
2318 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) && (usize == 0)) {
2319 if (MONO_TYPE_IS_REFERENCE (info->fields [i].field->type) ||
2320 ((!last_field && MONO_TYPE_IS_REFERENCE (info->fields [i + 1].field->type))))
2321 g_error ("Type %s which has an [ExplicitLayout] attribute cannot have a "
2322 "reference field at the same offset as another field.",
2323 mono_type_full_name (&klass->byval_arg));
2326 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT)
2327 g_error ("Type %s which is passed to unmanaged code must have a StructLayout attribute",
2328 mono_type_full_name (&klass->byval_arg));
2333 case MONO_MARSHAL_CONV_NONE: {
2336 if (ftype->byref || ftype->type == MONO_TYPE_I ||
2337 ftype->type == MONO_TYPE_U) {
2338 mono_mb_emit_ldloc (mb, 1);
2339 mono_mb_emit_ldloc (mb, 0);
2340 mono_mb_emit_byte (mb, CEE_LDIND_I);
2341 mono_mb_emit_byte (mb, CEE_STIND_I);
2352 case MONO_TYPE_BOOLEAN:
2355 case MONO_TYPE_CHAR:
2361 mono_mb_emit_ldloc (mb, 1);
2362 mono_mb_emit_ldloc (mb, 0);
2363 mono_mb_emit_byte (mb, mono_type_to_ldind (ftype));
2364 mono_mb_emit_byte (mb, mono_type_to_stind (ftype));
2366 case MONO_TYPE_VALUETYPE: {
2367 int src_var, dst_var;
2369 if (ftype->data.klass->enumtype) {
2370 ftype = ftype->data.klass->enum_basetype;
2374 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2375 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2377 /* save the old src pointer */
2378 mono_mb_emit_ldloc (mb, 0);
2379 mono_mb_emit_stloc (mb, src_var);
2380 /* save the old dst pointer */
2381 mono_mb_emit_ldloc (mb, 1);
2382 mono_mb_emit_stloc (mb, dst_var);
2384 emit_struct_conv (mb, ftype->data.klass, to_object);
2386 /* restore the old src pointer */
2387 mono_mb_emit_ldloc (mb, src_var);
2388 mono_mb_emit_stloc (mb, 0);
2389 /* restore the old dst pointer */
2390 mono_mb_emit_ldloc (mb, dst_var);
2391 mono_mb_emit_stloc (mb, 1);
2394 case MONO_TYPE_OBJECT: {
2396 static MonoMethod *variant_clear = NULL;
2397 static MonoMethod *get_object_for_native_variant = NULL;
2399 variant_clear = mono_class_get_method_from_name (mono_defaults.variant_class, "Clear", 0);
2400 if (!get_object_for_native_variant)
2401 get_object_for_native_variant = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetObjectForNativeVariant", 1);
2402 mono_mb_emit_ldloc (mb, 1);
2403 mono_mb_emit_ldloc (mb, 0);
2404 mono_mb_emit_managed_call (mb, get_object_for_native_variant, NULL);
2405 mono_mb_emit_byte (mb, CEE_STIND_REF);
2407 mono_mb_emit_ldloc (mb, 0);
2408 mono_mb_emit_managed_call (mb, variant_clear, NULL);
2411 static MonoMethod *get_native_variant_for_object = NULL;
2413 if (!get_native_variant_for_object)
2414 get_native_variant_for_object = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetNativeVariantForObject", 2);
2416 mono_mb_emit_ldloc (mb, 0);
2417 mono_mb_emit_byte(mb, CEE_LDIND_REF);
2418 mono_mb_emit_ldloc (mb, 1);
2419 mono_mb_emit_managed_call (mb, get_native_variant_for_object, NULL);
2425 g_warning ("marshaling type %02x not implemented", ftype->type);
2426 g_assert_not_reached ();
2431 int src_var, dst_var;
2433 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2434 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2436 /* save the old src pointer */
2437 mono_mb_emit_ldloc (mb, 0);
2438 mono_mb_emit_stloc (mb, src_var);
2439 /* save the old dst pointer */
2440 mono_mb_emit_ldloc (mb, 1);
2441 mono_mb_emit_stloc (mb, dst_var);
2444 emit_ptr_to_object_conv (mb, ftype, conv, info->fields [i].mspec);
2446 emit_object_to_ptr_conv (mb, ftype, conv, info->fields [i].mspec);
2448 /* restore the old src pointer */
2449 mono_mb_emit_ldloc (mb, src_var);
2450 mono_mb_emit_stloc (mb, 0);
2451 /* restore the old dst pointer */
2452 mono_mb_emit_ldloc (mb, dst_var);
2453 mono_mb_emit_stloc (mb, 1);
2458 mono_mb_emit_add_to_local (mb, 0, usize);
2459 mono_mb_emit_add_to_local (mb, 1, msize);
2461 mono_mb_emit_add_to_local (mb, 0, msize);
2462 mono_mb_emit_add_to_local (mb, 1, usize);
2468 emit_struct_free (MonoMethodBuilder *mb, MonoClass *klass, int struct_var)
2470 /* Call DestroyStructure */
2471 /* FIXME: Only do this if needed */
2472 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2473 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
2474 mono_mb_emit_ldloc (mb, struct_var);
2475 mono_mb_emit_icall (mb, mono_struct_delete_old);
2479 emit_thread_interrupt_checkpoint_call (MonoMethodBuilder *mb, gpointer checkpoint_func)
2483 mono_mb_emit_ptr (mb, (gpointer) mono_thread_interruption_request_flag ());
2484 mono_mb_emit_byte (mb, CEE_LDIND_U4);
2485 pos_noabort = mono_mb_emit_branch (mb, CEE_BRFALSE);
2487 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2488 mono_mb_emit_byte (mb, CEE_MONO_NOT_TAKEN);
2490 mono_mb_emit_icall (mb, checkpoint_func);
2492 mono_mb_patch_addr (mb, pos_noabort, mb->pos - (pos_noabort + 4));
2496 emit_thread_interrupt_checkpoint (MonoMethodBuilder *mb)
2498 if (strstr (mb->name, "mono_thread_interruption_checkpoint"))
2501 emit_thread_interrupt_checkpoint_call (mb, mono_thread_interruption_checkpoint);
2505 emit_thread_force_interrupt_checkpoint (MonoMethodBuilder *mb)
2507 emit_thread_interrupt_checkpoint_call (mb, mono_thread_force_interruption_checkpoint);
2510 static MonoAsyncResult *
2511 mono_delegate_begin_invoke (MonoDelegate *delegate, gpointer *params)
2513 MonoMethodMessage *msg;
2514 MonoDelegate *async_callback;
2518 MonoMethod *method = NULL, *method2 = NULL;
2520 g_assert (delegate);
2522 if (delegate->target && mono_object_class (delegate->target) == mono_defaults.transparent_proxy_class) {
2524 MonoTransparentProxy* tp = (MonoTransparentProxy *)delegate->target;
2525 if (!tp->remote_class->proxy_class->contextbound || tp->rp->context != (MonoObject *) mono_context_get ()) {
2527 /* If the target is a proxy, make a direct call. Is proxy's work
2528 // to make the call asynchronous.
2530 MonoAsyncResult *ares;
2532 MonoArray *out_args;
2534 method = delegate->method_info->method;
2536 msg = mono_method_call_message_new (mono_marshal_method_from_wrapper (method), params, NULL, &async_callback, &state);
2537 handle = CreateEvent (NULL, TRUE, FALSE, NULL);
2538 g_assert(handle != NULL);
2539 ares = mono_async_result_new (mono_domain_get (), handle, state, handle, NULL);
2540 MONO_OBJECT_SETREF (ares, async_delegate, (MonoObject *)delegate);
2541 MONO_OBJECT_SETREF (ares, async_callback, (MonoObject *)async_callback);
2542 MONO_OBJECT_SETREF (msg, async_result, ares);
2543 msg->call_type = CallType_BeginInvoke;
2545 mono_remoting_invoke ((MonoObject *)tp->rp, msg, &exc, &out_args);
2550 klass = delegate->object.vtable->klass;
2552 method = mono_get_delegate_invoke (klass);
2553 method2 = mono_class_get_method_from_name (klass, "BeginInvoke", -1);
2556 g_assert (method != NULL);
2558 im = mono_get_delegate_invoke (method->klass);
2559 msg = mono_method_call_message_new (method, params, im, &async_callback, &state);
2561 return mono_thread_pool_add ((MonoObject *)delegate, msg, async_callback, state);
2565 mono_mb_emit_save_args (MonoMethodBuilder *mb, MonoMethodSignature *sig, gboolean save_this)
2567 int i, params_var, tmp_var;
2569 /* allocate local (pointer) *params[] */
2570 params_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2571 /* allocate local (pointer) tmp */
2572 tmp_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2574 /* alloate space on stack to store an array of pointers to the arguments */
2575 mono_mb_emit_icon (mb, sizeof (gpointer) * (sig->param_count + 1));
2576 mono_mb_emit_byte (mb, CEE_PREFIX1);
2577 mono_mb_emit_byte (mb, CEE_LOCALLOC);
2578 mono_mb_emit_stloc (mb, params_var);
2581 mono_mb_emit_ldloc (mb, params_var);
2582 mono_mb_emit_stloc (mb, tmp_var);
2584 if (save_this && sig->hasthis) {
2585 mono_mb_emit_ldloc (mb, tmp_var);
2586 mono_mb_emit_ldarg_addr (mb, 0);
2587 mono_mb_emit_byte (mb, CEE_STIND_I);
2588 /* tmp = tmp + sizeof (gpointer) */
2589 if (sig->param_count)
2590 mono_mb_emit_add_to_local (mb, tmp_var, sizeof (gpointer));
2594 for (i = 0; i < sig->param_count; i++) {
2595 mono_mb_emit_ldloc (mb, tmp_var);
2596 mono_mb_emit_ldarg_addr (mb, i + sig->hasthis);
2597 mono_mb_emit_byte (mb, CEE_STIND_I);
2598 /* tmp = tmp + sizeof (gpointer) */
2599 if (i < (sig->param_count - 1))
2600 mono_mb_emit_add_to_local (mb, tmp_var, sizeof (gpointer));
2607 mono_signature_to_name (MonoMethodSignature *sig, const char *prefix)
2611 GString *res = g_string_new ("");
2614 g_string_append (res, prefix);
2615 g_string_append_c (res, '_');
2618 mono_type_get_desc (res, sig->ret, FALSE);
2620 for (i = 0; i < sig->param_count; ++i) {
2621 g_string_append_c (res, '_');
2622 mono_type_get_desc (res, sig->params [i], FALSE);
2625 g_string_free (res, FALSE);
2630 * mono_marshal_get_string_encoding:
2632 * Return the string encoding which should be used for a given parameter.
2634 static MonoMarshalNative
2635 mono_marshal_get_string_encoding (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
2637 /* First try the parameter marshal info */
2639 if (spec->native == MONO_NATIVE_LPARRAY) {
2640 if ((spec->data.array_data.elem_type != 0) && (spec->data.array_data.elem_type != MONO_NATIVE_MAX))
2641 return spec->data.array_data.elem_type;
2644 return spec->native;
2648 return MONO_NATIVE_LPSTR;
2650 /* Then try the method level marshal info */
2651 switch (piinfo->piflags & PINVOKE_ATTRIBUTE_CHAR_SET_MASK) {
2652 case PINVOKE_ATTRIBUTE_CHAR_SET_ANSI:
2653 return MONO_NATIVE_LPSTR;
2654 case PINVOKE_ATTRIBUTE_CHAR_SET_UNICODE:
2655 return MONO_NATIVE_LPWSTR;
2656 case PINVOKE_ATTRIBUTE_CHAR_SET_AUTO:
2657 #ifdef PLATFORM_WIN32
2658 return MONO_NATIVE_LPWSTR;
2660 return MONO_NATIVE_LPSTR;
2663 return MONO_NATIVE_LPSTR;
2667 static MonoMarshalConv
2668 mono_marshal_get_string_to_ptr_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
2670 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
2673 case MONO_NATIVE_LPWSTR:
2674 return MONO_MARSHAL_CONV_STR_LPWSTR;
2675 case MONO_NATIVE_LPSTR:
2676 return MONO_MARSHAL_CONV_STR_LPSTR;
2677 case MONO_NATIVE_LPTSTR:
2678 return MONO_MARSHAL_CONV_STR_LPTSTR;
2679 case MONO_NATIVE_BSTR:
2680 return MONO_MARSHAL_CONV_STR_BSTR;
2686 static MonoMarshalConv
2687 mono_marshal_get_stringbuilder_to_ptr_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
2689 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
2692 case MONO_NATIVE_LPWSTR:
2693 return MONO_MARSHAL_CONV_SB_LPWSTR;
2695 case MONO_NATIVE_LPSTR:
2696 return MONO_MARSHAL_CONV_SB_LPSTR;
2698 case MONO_NATIVE_LPTSTR:
2699 return MONO_MARSHAL_CONV_SB_LPTSTR;
2706 static MonoMarshalConv
2707 mono_marshal_get_ptr_to_string_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec, gboolean *need_free)
2709 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
2714 case MONO_NATIVE_LPWSTR:
2715 return MONO_MARSHAL_CONV_LPWSTR_STR;
2716 case MONO_NATIVE_LPSTR:
2717 return MONO_MARSHAL_CONV_LPSTR_STR;
2718 case MONO_NATIVE_LPTSTR:
2719 return MONO_MARSHAL_CONV_LPTSTR_STR;
2720 case MONO_NATIVE_BSTR:
2721 return MONO_MARSHAL_CONV_BSTR_STR;
2727 static MonoMarshalConv
2728 mono_marshal_get_ptr_to_stringbuilder_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec, gboolean *need_free)
2730 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
2735 case MONO_NATIVE_LPWSTR:
2737 * mono_string_builder_to_utf16 does not allocate a
2738 * new buffer, so no need to free it.
2741 return MONO_MARSHAL_CONV_LPWSTR_SB;
2742 case MONO_NATIVE_LPSTR:
2743 return MONO_MARSHAL_CONV_LPSTR_SB;
2745 case MONO_NATIVE_LPTSTR:
2746 return MONO_MARSHAL_CONV_LPTSTR_SB;
2754 * Return whenever a field of a native structure or an array member needs to
2758 mono_marshal_need_free (MonoType *t, MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
2760 MonoMarshalNative encoding;
2761 MonoMarshalConv conv;
2764 case MONO_TYPE_VALUETYPE:
2765 /* FIXME: Optimize this */
2767 case MONO_TYPE_OBJECT:
2768 case MONO_TYPE_CLASS:
2769 if (t->data.klass == mono_defaults.stringbuilder_class) {
2771 conv = mono_marshal_get_ptr_to_stringbuilder_conv (piinfo, spec, &need_free);
2775 case MONO_TYPE_STRING:
2776 encoding = mono_marshal_get_string_encoding (piinfo, spec);
2777 return (encoding == MONO_NATIVE_LPWSTR) ? FALSE : TRUE;
2783 static inline MonoMethod*
2784 mono_marshal_find_in_cache (GHashTable *cache, gpointer key)
2788 mono_marshal_lock ();
2789 res = g_hash_table_lookup (cache, key);
2790 mono_marshal_unlock ();
2794 /* Create the method from the builder and place it in the cache */
2795 static inline MonoMethod*
2796 mono_mb_create_and_cache (GHashTable *cache, gpointer key,
2797 MonoMethodBuilder *mb, MonoMethodSignature *sig,
2802 mono_loader_lock ();
2803 mono_marshal_lock ();
2804 res = g_hash_table_lookup (cache, key);
2806 /* This does not acquire any locks */
2807 res = mono_mb_create_method (mb, sig, max_stack);
2808 g_hash_table_insert (cache, key, res);
2809 g_hash_table_insert (wrapper_hash, res, key);
2811 mono_marshal_unlock ();
2812 mono_loader_unlock ();
2818 static inline MonoMethod*
2819 mono_marshal_remoting_find_in_cache (MonoMethod *method, int wrapper_type)
2821 MonoMethod *res = NULL;
2822 MonoRemotingMethods *wrps;
2824 mono_marshal_lock ();
2825 wrps = g_hash_table_lookup (method->klass->image->remoting_invoke_cache, method);
2828 switch (wrapper_type) {
2829 case MONO_WRAPPER_REMOTING_INVOKE: res = wrps->invoke; break;
2830 case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK: res = wrps->invoke_with_check; break;
2831 case MONO_WRAPPER_XDOMAIN_INVOKE: res = wrps->xdomain_invoke; break;
2832 case MONO_WRAPPER_XDOMAIN_DISPATCH: res = wrps->xdomain_dispatch; break;
2836 mono_marshal_unlock ();
2840 /* Create the method from the builder and place it in the cache */
2841 static inline MonoMethod*
2842 mono_remoting_mb_create_and_cache (MonoMethod *key, MonoMethodBuilder *mb,
2843 MonoMethodSignature *sig, int max_stack)
2845 MonoMethod **res = NULL;
2846 MonoRemotingMethods *wrps;
2847 GHashTable *cache = key->klass->image->remoting_invoke_cache;
2849 mono_loader_lock ();
2850 mono_marshal_lock ();
2851 wrps = g_hash_table_lookup (cache, key);
2853 wrps = g_new0 (MonoRemotingMethods, 1);
2854 g_hash_table_insert (cache, key, wrps);
2857 switch (mb->method->wrapper_type) {
2858 case MONO_WRAPPER_REMOTING_INVOKE: res = &wrps->invoke; break;
2859 case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK: res = &wrps->invoke_with_check; break;
2860 case MONO_WRAPPER_XDOMAIN_INVOKE: res = &wrps->xdomain_invoke; break;
2861 case MONO_WRAPPER_XDOMAIN_DISPATCH: res = &wrps->xdomain_dispatch; break;
2862 default: g_assert_not_reached (); break;
2866 /* This does not acquire any locks */
2867 *res = mono_mb_create_method (mb, sig, max_stack);
2868 g_hash_table_insert (wrapper_hash, *res, key);
2871 mono_marshal_unlock ();
2872 mono_loader_unlock ();
2878 mono_marshal_method_from_wrapper (MonoMethod *wrapper)
2882 if (wrapper->wrapper_type == MONO_WRAPPER_NONE)
2885 mono_marshal_lock ();
2886 res = g_hash_table_lookup (wrapper_hash, wrapper);
2887 mono_marshal_unlock ();
2892 mono_marshal_get_delegate_begin_invoke (MonoMethod *method)
2894 MonoMethodSignature *sig;
2895 MonoMethodBuilder *mb;
2901 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
2902 !strcmp (method->name, "BeginInvoke"));
2904 sig = signature_no_pinvoke (method);
2906 cache = method->klass->image->delegate_begin_invoke_cache;
2907 if ((res = mono_marshal_find_in_cache (cache, sig)))
2910 g_assert (sig->hasthis);
2912 name = mono_signature_to_name (sig, "begin_invoke");
2913 mb = mono_mb_new (mono_defaults.multicastdelegate_class, name, MONO_WRAPPER_DELEGATE_BEGIN_INVOKE);
2916 mb->method->save_lmf = 1;
2918 params_var = mono_mb_emit_save_args (mb, sig, FALSE);
2920 mono_mb_emit_ldarg (mb, 0);
2921 mono_mb_emit_ldloc (mb, params_var);
2922 mono_mb_emit_icall (mb, mono_delegate_begin_invoke);
2923 emit_thread_interrupt_checkpoint (mb);
2924 mono_mb_emit_byte (mb, CEE_RET);
2926 res = mono_mb_create_and_cache (cache, sig, mb, sig, sig->param_count + 16);
2932 mono_delegate_end_invoke (MonoDelegate *delegate, gpointer *params)
2934 MonoDomain *domain = mono_domain_get ();
2935 MonoAsyncResult *ares;
2936 MonoMethod *method = NULL;
2937 MonoMethodSignature *sig;
2938 MonoMethodMessage *msg;
2939 MonoObject *res, *exc;
2940 MonoArray *out_args;
2943 g_assert (delegate);
2945 if (!delegate->method_info || !delegate->method_info->method)
2946 g_assert_not_reached ();
2948 klass = delegate->object.vtable->klass;
2950 method = mono_class_get_method_from_name (klass, "EndInvoke", -1);
2951 g_assert (method != NULL);
2953 sig = signature_no_pinvoke (method);
2955 msg = mono_method_call_message_new (method, params, NULL, NULL, NULL);
2957 ares = mono_array_get (msg->args, gpointer, sig->param_count - 1);
2960 if (ares->async_delegate != delegate && mono_get_runtime_info ()->framework_version [0] >= '2') {
2961 mono_raise_exception (mono_get_exception_invalid_operation (
2962 "The IAsyncResult object provided does not match this delegate."));
2966 if (delegate->target && mono_object_class (delegate->target) == mono_defaults.transparent_proxy_class) {
2967 MonoTransparentProxy* tp = (MonoTransparentProxy *)delegate->target;
2968 msg = (MonoMethodMessage *)mono_object_new (domain, mono_defaults.mono_method_message_class);
2969 mono_message_init (domain, msg, delegate->method_info, NULL);
2970 msg->call_type = CallType_EndInvoke;
2971 MONO_OBJECT_SETREF (msg, async_result, ares);
2972 res = mono_remoting_invoke ((MonoObject *)tp->rp, msg, &exc, &out_args);
2974 res = mono_thread_pool_finish (ares, &out_args, &exc);
2978 if (((MonoException*)exc)->stack_trace) {
2979 char *strace = mono_string_to_utf8 (((MonoException*)exc)->stack_trace);
2981 tmp = g_strdup_printf ("%s\nException Rethrown at:\n", strace);
2983 MONO_OBJECT_SETREF (((MonoException*)exc), stack_trace, mono_string_new (domain, tmp));
2986 mono_raise_exception ((MonoException*)exc);
2989 mono_method_return_message_restore (method, params, out_args);
2994 mono_mb_emit_restore_result (MonoMethodBuilder *mb, MonoType *return_type)
2996 MonoType *t = mono_type_get_underlying_type (return_type);
2998 if (return_type->byref)
2999 return_type = &mono_defaults.int_class->byval_arg;
3002 case MONO_TYPE_VOID:
3003 g_assert_not_reached ();
3006 case MONO_TYPE_STRING:
3007 case MONO_TYPE_CLASS:
3008 case MONO_TYPE_OBJECT:
3009 case MONO_TYPE_ARRAY:
3010 case MONO_TYPE_SZARRAY:
3014 case MONO_TYPE_BOOLEAN:
3017 case MONO_TYPE_CHAR:
3027 mono_mb_emit_op (mb, CEE_UNBOX, mono_class_from_mono_type (return_type));
3028 mono_mb_emit_byte (mb, mono_type_to_ldind (return_type));
3030 case MONO_TYPE_GENERICINST:
3031 if (!mono_type_generic_inst_is_valuetype (return_type))
3034 case MONO_TYPE_VALUETYPE: {
3035 MonoClass *klass = mono_class_from_mono_type (return_type);
3036 mono_mb_emit_op (mb, CEE_UNBOX, klass);
3037 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
3041 g_warning ("type 0x%x not handled", return_type->type);
3042 g_assert_not_reached ();
3045 mono_mb_emit_byte (mb, CEE_RET);
3049 mono_marshal_get_delegate_end_invoke (MonoMethod *method)
3051 MonoMethodSignature *sig;
3052 MonoMethodBuilder *mb;
3058 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
3059 !strcmp (method->name, "EndInvoke"));
3061 sig = signature_no_pinvoke (method);
3063 cache = method->klass->image->delegate_end_invoke_cache;
3064 if ((res = mono_marshal_find_in_cache (cache, sig)))
3067 g_assert (sig->hasthis);
3069 name = mono_signature_to_name (sig, "end_invoke");
3070 mb = mono_mb_new (mono_defaults.multicastdelegate_class, name, MONO_WRAPPER_DELEGATE_END_INVOKE);
3073 mb->method->save_lmf = 1;
3075 params_var = mono_mb_emit_save_args (mb, sig, FALSE);
3077 mono_mb_emit_ldarg (mb, 0);
3078 mono_mb_emit_ldloc (mb, params_var);
3079 mono_mb_emit_icall (mb, mono_delegate_end_invoke);
3080 emit_thread_interrupt_checkpoint (mb);
3082 if (sig->ret->type == MONO_TYPE_VOID) {
3083 mono_mb_emit_byte (mb, CEE_POP);
3084 mono_mb_emit_byte (mb, CEE_RET);
3086 mono_mb_emit_restore_result (mb, sig->ret);
3088 res = mono_mb_create_and_cache (cache, sig,
3089 mb, sig, sig->param_count + 16);
3096 mono_remoting_wrapper (MonoMethod *method, gpointer *params)
3098 MonoMethodMessage *msg;
3099 MonoTransparentProxy *this;
3100 MonoObject *res, *exc;
3101 MonoArray *out_args;
3103 this = *((MonoTransparentProxy **)params [0]);
3106 g_assert (((MonoObject *)this)->vtable->klass == mono_defaults.transparent_proxy_class);
3108 /* skip the this pointer */
3111 if (this->remote_class->proxy_class->contextbound && this->rp->context == (MonoObject *) mono_context_get ())
3114 MonoMethodSignature *sig = mono_method_signature (method);
3115 int count = sig->param_count;
3116 gpointer* mparams = (gpointer*) alloca(count*sizeof(gpointer));
3118 for (i=0; i<count; i++) {
3119 MonoClass *class = mono_class_from_mono_type (sig->params [i]);
3120 if (class->valuetype) {
3121 if (sig->params [i]->byref)
3122 mparams[i] = *((gpointer *)params [i]);
3124 mparams[i] = params [i];
3126 mparams[i] = *((gpointer**)params [i]);
3130 return mono_runtime_invoke (method, method->klass->valuetype? mono_object_unbox ((MonoObject*)this): this, mparams, NULL);
3133 msg = mono_method_call_message_new (method, params, NULL, NULL, NULL);
3135 res = mono_remoting_invoke ((MonoObject *)this->rp, msg, &exc, &out_args);
3138 mono_raise_exception ((MonoException *)exc);
3140 mono_method_return_message_restore (method, params, out_args);
3146 * cominterop_get_native_wrapper_adjusted:
3147 * @method: managed COM Interop method
3149 * Returns: the generated method to call with signature matching
3150 * the unmanaged COM Method signature
3153 cominterop_get_native_wrapper_adjusted (MonoMethod *method)
3156 MonoMethodBuilder *mb_native;
3157 MonoMarshalSpec **mspecs;
3158 MonoMethodSignature *sig, *sig_native;
3159 MonoMethodPInvoke *piinfo = (MonoMethodPInvoke *) method;
3162 sig = mono_method_signature (method);
3164 // create unmanaged wrapper
3165 mb_native = mono_mb_new (method->klass, method->name, MONO_WRAPPER_MANAGED_TO_NATIVE);
3166 sig_native = signature_cominterop (method->klass->image, sig);
3168 mspecs = g_new (MonoMarshalSpec*, sig_native->param_count+1);
3169 memset (mspecs, 0, sizeof(MonoMarshalSpec*)*(sig_native->param_count+1));
3171 mono_method_get_marshal_info (method, mspecs);
3173 // move managed args up one
3174 for (i = sig->param_count; i >= 1; i--)
3175 mspecs[i+1] = mspecs[i];
3177 // first arg is IntPtr for interface
3180 // move return spec to last param
3181 if (!MONO_TYPE_IS_VOID (sig->ret))
3182 mspecs[sig_native->param_count] = mspecs[0];
3186 mono_marshal_emit_native_wrapper(mono_defaults.corlib, mb_native, sig_native, piinfo, mspecs, piinfo->addr);
3188 mono_loader_lock ();
3189 mono_marshal_lock ();
3190 res = mono_mb_create_method (mb_native, sig_native, sig_native->param_count + 16);
3191 mono_marshal_unlock ();
3192 mono_loader_unlock ();
3194 mono_mb_free (mb_native);
3196 for (i = sig_native->param_count; i >= 0; i--)
3198 mono_metadata_free_marshal_spec (mspecs [i]);
3205 * cominterop_get_native_wrapper:
3206 * @method: managed method
3208 * Returns: the generated method to call
3211 cominterop_get_native_wrapper (MonoMethod *method)
3215 MonoMethodBuilder *mb;
3216 MonoMethodSignature *sig, *csig;
3220 cache = method->klass->image->cominterop_wrapper_cache;
3221 if ((res = mono_marshal_find_in_cache (cache, method)))
3224 sig = mono_method_signature (method);
3225 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_COMINTEROP);
3227 /* if method klass is import, that means method
3228 * is really a com call. let interop system emit it.
3230 if (MONO_CLASS_IS_IMPORT(method->klass)) {
3231 /* FIXME: we have to call actual class .ctor
3232 * instead of just __ComObject .ctor.
3234 if (!strcmp(method->name, ".ctor")) {
3235 static MonoMethod *ctor = NULL;
3238 ctor = mono_class_get_method_from_name (mono_defaults.com_object_class, ".ctor", 0);
3239 mono_mb_emit_ldarg (mb, 0);
3240 mono_mb_emit_managed_call (mb, ctor, NULL);
3241 mono_mb_emit_byte (mb, CEE_RET);
3244 static MonoMethod * ThrowExceptionForHR = NULL;
3245 static MonoMethod * GetInterface = NULL;
3246 MonoMethod *adjusted_method;
3252 GetInterface = mono_class_get_method_from_name (mono_defaults.com_object_class, "GetInterface", 1);
3254 // add local variables
3255 hr = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
3256 ptr_this = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
3257 if (!MONO_TYPE_IS_VOID (sig->ret))
3258 retval = mono_mb_add_local (mb, sig->ret);
3260 // get the type for the interface the method is defined on
3261 // and then get the underlying COM interface for that type
3262 mono_mb_emit_ldarg (mb, 0);
3263 mono_mb_emit_ptr (mb, method);
3264 mono_mb_emit_icall (mb, cominterop_get_method_interface);
3265 mono_mb_emit_managed_call (mb, GetInterface, NULL);
3266 mono_mb_emit_stloc (mb, ptr_this);
3268 // arg 1 is unmanaged this pointer
3269 mono_mb_emit_ldloc (mb, ptr_this);
3272 for (i = 1; i <= sig->param_count; i++)
3273 mono_mb_emit_ldarg (mb, i);
3275 // push managed return value as byref last argument
3276 if (!MONO_TYPE_IS_VOID (sig->ret))
3277 mono_mb_emit_ldloc_addr (mb, retval);
3279 adjusted_method = cominterop_get_native_wrapper_adjusted (method);
3280 mono_mb_emit_managed_call (mb, adjusted_method, NULL);
3282 // store HRESULT to check
3283 mono_mb_emit_stloc (mb, hr);
3285 if (!ThrowExceptionForHR)
3286 ThrowExceptionForHR = mono_class_get_method_from_name (mono_defaults.marshal_class, "ThrowExceptionForHR", 1);
3287 mono_mb_emit_ldloc (mb, hr);
3288 mono_mb_emit_managed_call (mb, ThrowExceptionForHR, NULL);
3290 // load return value managed is expecting
3291 if (!MONO_TYPE_IS_VOID (sig->ret))
3292 mono_mb_emit_ldloc (mb, retval);
3294 mono_mb_emit_byte (mb, CEE_RET);
3299 /* Does this case ever get hit? */
3301 char *msg = g_strdup ("non imported interfaces on \
3302 imported classes is not yet implemented.");
3303 mono_mb_emit_exception (mb, "NotSupportedException", msg);
3305 csig = signature_dup (method->klass->image, sig);
3307 res = mono_mb_create_and_cache (cache, method,
3308 mb, csig, csig->param_count + 16);
3314 * cominterop_get_invoke:
3315 * @method: managed method
3317 * Returns: the generated method that calls the underlying __ComObject
3318 * rather than the proxy object.
3321 cominterop_get_invoke (MonoMethod *method)
3323 MonoMethodSignature *sig;
3324 MonoMethodBuilder *mb;
3327 GHashTable* cache = method->klass->image->cominterop_invoke_cache;
3331 if ((res = mono_marshal_find_in_cache (cache, method)))
3334 sig = signature_no_pinvoke (method);
3336 /* we cant remote methods without this pointer */
3340 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_COMINTEROP_INVOKE);
3342 /* get real proxy object, which is a ComInteropProxy in this case*/
3343 temp_obj = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3344 mono_mb_emit_ldarg (mb, 0);
3345 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
3346 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3348 /* load the RCW from the ComInteropProxy*/
3349 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoComInteropProxy, com_object));
3350 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3352 /* load args and make the call on the RCW */
3353 for (i = 1; i <= sig->param_count; i++)
3354 mono_mb_emit_ldarg (mb, i);
3356 if (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) {
3357 MonoMethod * native_wrapper = cominterop_get_native_wrapper(method);
3358 mono_mb_emit_managed_call (mb, native_wrapper, NULL);
3361 if (method->flags & METHOD_ATTRIBUTE_VIRTUAL)
3362 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
3364 mono_mb_emit_op (mb, CEE_CALL, method);
3367 if (!strcmp(method->name, ".ctor")) {
3368 static MonoClass *com_interop_proxy_class = NULL;
3369 static MonoMethod *cache_proxy = NULL;
3371 if (!com_interop_proxy_class)
3372 com_interop_proxy_class = mono_class_from_name (mono_defaults.corlib, "Mono.Interop", "ComInteropProxy");
3374 cache_proxy = mono_class_get_method_from_name (com_interop_proxy_class, "CacheProxy", 0);
3376 mono_mb_emit_ldarg (mb, 0);
3377 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
3378 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3379 mono_mb_emit_managed_call (mb, cache_proxy, NULL);
3382 emit_thread_interrupt_checkpoint (mb);
3384 mono_mb_emit_byte (mb, CEE_RET);
3386 res = mono_mb_create_and_cache (cache, method, mb, sig, sig->param_count + 16);
3393 mono_marshal_get_remoting_invoke (MonoMethod *method)
3395 MonoMethodSignature *sig;
3396 MonoMethodBuilder *mb;
3402 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE || method->wrapper_type == MONO_WRAPPER_XDOMAIN_INVOKE)
3405 /* this seems to be the best plase to put this, as all remoting invokes seem to get filtered through here */
3406 if ((method->klass->is_com_object || method->klass == mono_defaults.com_object_class) && !mono_class_vtable (mono_domain_get (), method->klass)->remote)
3407 return cominterop_get_invoke(method);
3409 sig = signature_no_pinvoke (method);
3411 /* we cant remote methods without this pointer */
3415 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_REMOTING_INVOKE)))
3418 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_REMOTING_INVOKE);
3419 mb->method->save_lmf = 1;
3421 params_var = mono_mb_emit_save_args (mb, sig, TRUE);
3423 mono_mb_emit_ptr (mb, method);
3424 mono_mb_emit_ldloc (mb, params_var);
3425 mono_mb_emit_icall (mb, mono_remoting_wrapper);
3426 emit_thread_interrupt_checkpoint (mb);
3428 if (sig->ret->type == MONO_TYPE_VOID) {
3429 mono_mb_emit_byte (mb, CEE_POP);
3430 mono_mb_emit_byte (mb, CEE_RET);
3432 mono_mb_emit_restore_result (mb, sig->ret);
3435 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16);
3441 /* mono_get_xdomain_marshal_type()
3442 * Returns the kind of marshalling that a type needs for cross domain calls.
3444 static MonoXDomainMarshalType
3445 mono_get_xdomain_marshal_type (MonoType *t)
3448 case MONO_TYPE_VOID:
3449 g_assert_not_reached ();
3453 case MONO_TYPE_BOOLEAN:
3456 case MONO_TYPE_CHAR:
3463 return MONO_MARSHAL_NONE;
3464 case MONO_TYPE_STRING:
3465 return MONO_MARSHAL_COPY;
3466 case MONO_TYPE_ARRAY:
3467 case MONO_TYPE_SZARRAY: {
3468 MonoClass *elem_class = mono_class_from_mono_type (t)->element_class;
3469 if (mono_get_xdomain_marshal_type (&(elem_class->byval_arg)) != MONO_MARSHAL_SERIALIZE)
3470 return MONO_MARSHAL_COPY;
3475 return MONO_MARSHAL_SERIALIZE;
3479 /* mono_marshal_xdomain_copy_value
3480 * Makes a copy of "val" suitable for the current domain.
3483 mono_marshal_xdomain_copy_value (MonoObject *val)
3486 if (val == NULL) return NULL;
3488 domain = mono_domain_get ();
3490 switch (mono_object_class (val)->byval_arg.type) {
3491 case MONO_TYPE_VOID:
3492 g_assert_not_reached ();
3496 case MONO_TYPE_BOOLEAN:
3499 case MONO_TYPE_CHAR:
3505 case MONO_TYPE_R8: {
3506 return mono_value_box (domain, mono_object_class (val), ((char*)val) + sizeof(MonoObject));
3508 case MONO_TYPE_STRING: {
3509 MonoString *str = (MonoString *) val;
3510 return (MonoObject *) mono_string_new_utf16 (domain, mono_string_chars (str), mono_string_length (str));
3512 case MONO_TYPE_ARRAY:
3513 case MONO_TYPE_SZARRAY: {
3515 MonoXDomainMarshalType mt = mono_get_xdomain_marshal_type (&(mono_object_class (val)->element_class->byval_arg));
3516 if (mt == MONO_MARSHAL_SERIALIZE) return NULL;
3517 acopy = mono_array_clone_in_domain (domain, (MonoArray *) val);
3518 if (mt == MONO_MARSHAL_COPY) {
3519 int i, len = mono_array_length (acopy);
3520 for (i = 0; i < len; i++) {
3521 MonoObject *item = mono_array_get (acopy, gpointer, i);
3522 mono_array_setref (acopy, i, mono_marshal_xdomain_copy_value (item));
3525 return (MonoObject *) acopy;
3529 if (mono_object_class (val) == mono_defaults.stringbuilder_class) {
3530 MonoStringBuilder *oldsb = (MonoStringBuilder *) val;
3531 MonoStringBuilder *newsb = (MonoStringBuilder *) mono_object_new (domain, mono_defaults.stringbuilder_class);
3532 MONO_OBJECT_SETREF (newsb, str, mono_string_new_utf16 (domain, mono_string_chars (oldsb->str), mono_string_length (oldsb->str)));
3533 newsb->length = oldsb->length;
3534 newsb->max_capacity = (gint32)0x7fffffff;
3535 return (MonoObject *) newsb;
3540 /* mono_marshal_xdomain_copy_out_value()
3541 * Copies the contents of the src instance into the dst instance. src and dst
3542 * must have the same type, and if they are arrays, the same size.
3545 mono_marshal_xdomain_copy_out_value (MonoObject *src, MonoObject *dst)
3547 if (src == NULL || dst == NULL) return;
3549 g_assert (mono_object_class (src) == mono_object_class (dst));
3551 switch (mono_object_class (src)->byval_arg.type) {
3552 case MONO_TYPE_ARRAY:
3553 case MONO_TYPE_SZARRAY: {
3554 int mt = mono_get_xdomain_marshal_type (&(mono_object_class (src)->element_class->byval_arg));
3555 if (mt == MONO_MARSHAL_SERIALIZE) return;
3556 if (mt == MONO_MARSHAL_COPY) {
3557 int i, len = mono_array_length ((MonoArray *)dst);
3558 for (i = 0; i < len; i++) {
3559 MonoObject *item = mono_array_get ((MonoArray *)src, gpointer, i);
3560 mono_array_setref ((MonoArray *)dst, i, mono_marshal_xdomain_copy_value (item));
3563 mono_array_full_copy ((MonoArray *)src, (MonoArray *)dst);
3569 if (mono_object_class (src) == mono_defaults.stringbuilder_class) {
3570 MonoStringBuilder *src_sb = (MonoStringBuilder *) src;
3571 MonoStringBuilder *dst_sb = (MonoStringBuilder *) dst;
3573 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)));
3574 dst_sb->cached_str = NULL;
3575 dst_sb->length = src_sb->length;
3580 mono_marshal_emit_xdomain_copy_value (MonoMethodBuilder *mb, MonoClass *pclass)
3582 mono_mb_emit_icall (mb, mono_marshal_xdomain_copy_value);
3583 mono_mb_emit_op (mb, CEE_CASTCLASS, pclass);
3587 mono_marshal_emit_xdomain_copy_out_value (MonoMethodBuilder *mb, MonoClass *pclass)
3589 mono_mb_emit_icall (mb, mono_marshal_xdomain_copy_out_value);
3592 /* mono_marshal_supports_fast_xdomain()
3593 * Returns TRUE if the method can use the fast xdomain wrapper.
3596 mono_marshal_supports_fast_xdomain (MonoMethod *method)
3598 return !method->klass->contextbound &&
3599 !((method->flags & METHOD_ATTRIBUTE_SPECIAL_NAME) && (strcmp (".ctor", method->name) == 0));
3603 mono_marshal_set_domain_by_id (gint32 id, MonoBoolean push)
3605 MonoDomain *current_domain = mono_domain_get ();
3606 MonoDomain *domain = mono_domain_get_by_id (id);
3608 if (!domain || !mono_domain_set (domain, FALSE))
3609 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
3612 mono_thread_push_appdomain_ref (domain);
3614 mono_thread_pop_appdomain_ref ();
3616 return current_domain->domain_id;
3620 mono_marshal_emit_switch_domain (MonoMethodBuilder *mb)
3622 mono_mb_emit_icall (mb, mono_marshal_set_domain_by_id);
3625 /* mono_marshal_emit_load_domain_method ()
3626 * Loads into the stack a pointer to the code of the provided method for
3627 * the current domain.
3630 mono_marshal_emit_load_domain_method (MonoMethodBuilder *mb, MonoMethod *method)
3632 /* We need a pointer to the method for the running domain (not the domain
3633 * that compiles the method).
3635 mono_mb_emit_ptr (mb, method);
3636 mono_mb_emit_icall (mb, mono_compile_method);
3639 /* mono_marshal_check_domain_image ()
3640 * Returns TRUE if the image is loaded in the specified
3641 * application domain.
3644 mono_marshal_check_domain_image (gint32 domain_id, MonoImage *image)
3649 MonoDomain *domain = mono_domain_get_by_id (domain_id);
3653 mono_domain_assemblies_lock (domain);
3654 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
3656 if (ass->image == image)
3659 mono_domain_assemblies_unlock (domain);
3664 /* mono_marshal_get_xappdomain_dispatch ()
3665 * Generates a method that dispatches a method call from another domain into
3666 * the current domain.
3669 mono_marshal_get_xappdomain_dispatch (MonoMethod *method, int *marshal_types, int complex_count, int complex_out_count, int ret_marshal_type)
3671 MonoMethodSignature *sig, *csig;
3672 MonoMethodBuilder *mb;
3674 int i, j, param_index, copy_locals_base;
3675 MonoClass *ret_class = NULL;
3676 int loc_array=0, loc_return=0, loc_serialized_exc=0;
3677 MonoExceptionClause *main_clause;
3678 MonoMethodHeader *header;
3680 gboolean copy_return;
3682 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_XDOMAIN_DISPATCH)))
3685 sig = mono_method_signature (method);
3686 copy_return = (sig->ret->type != MONO_TYPE_VOID && ret_marshal_type != MONO_MARSHAL_SERIALIZE);
3689 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3 + sig->param_count - complex_count);
3690 csig->params [j++] = &mono_defaults.object_class->byval_arg;
3691 csig->params [j++] = &byte_array_class->this_arg;
3692 csig->params [j++] = &byte_array_class->this_arg;
3693 for (i = 0; i < sig->param_count; i++) {
3694 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE)
3695 csig->params [j++] = sig->params [i];
3698 csig->ret = sig->ret;
3700 csig->ret = &mono_defaults.void_class->byval_arg;
3702 csig->hasthis = FALSE;
3704 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_XDOMAIN_DISPATCH);
3705 mb->method->save_lmf = 1;
3709 loc_serialized_exc = mono_mb_add_local (mb, &byte_array_class->byval_arg);
3710 if (complex_count > 0)
3711 loc_array = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3712 if (sig->ret->type != MONO_TYPE_VOID) {
3713 loc_return = mono_mb_add_local (mb, sig->ret);
3714 ret_class = mono_class_from_mono_type (sig->ret);
3719 main_clause = g_new0 (MonoExceptionClause, 1);
3720 main_clause->try_offset = mb->pos;
3722 /* Clean the call context */
3724 mono_mb_emit_byte (mb, CEE_LDNULL);
3725 mono_mb_emit_managed_call (mb, method_set_call_context, NULL);
3726 mono_mb_emit_byte (mb, CEE_POP);
3728 /* Deserialize call data */
3730 mono_mb_emit_ldarg (mb, 1);
3731 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3732 mono_mb_emit_byte (mb, CEE_DUP);
3733 pos = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
3735 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
3736 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
3738 if (complex_count > 0)
3739 mono_mb_emit_stloc (mb, loc_array);
3741 mono_mb_emit_byte (mb, CEE_POP);
3743 mono_mb_patch_addr_s (mb, pos, mb->pos - (pos + 1));
3745 /* Get the target object */
3747 mono_mb_emit_ldarg (mb, 0);
3748 mono_mb_emit_managed_call (mb, method_rs_appdomain_target, NULL);
3750 /* Load the arguments */
3752 copy_locals_base = mb->locals;
3753 param_index = 3; // Index of the first non-serialized parameter of this wrapper
3755 for (i = 0; i < sig->param_count; i++) {
3756 MonoType *pt = sig->params [i];
3757 MonoClass *pclass = mono_class_from_mono_type (pt);
3758 switch (marshal_types [i]) {
3759 case MONO_MARSHAL_SERIALIZE: {
3760 /* take the value from the serialized array */
3761 mono_mb_emit_ldloc (mb, loc_array);
3762 mono_mb_emit_icon (mb, j++);
3764 if (pclass->valuetype) {
3765 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3766 mono_mb_emit_op (mb, CEE_UNBOX, pclass);
3768 mono_mb_emit_op (mb, CEE_LDELEMA, pclass);
3771 if (pclass->valuetype) {
3772 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3773 mono_mb_emit_op (mb, CEE_UNBOX, pclass);
3774 mono_mb_emit_op (mb, CEE_LDOBJ, pclass);
3776 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3777 if (pclass != mono_defaults.object_class) {
3778 mono_mb_emit_op (mb, CEE_CASTCLASS, pclass);
3784 case MONO_MARSHAL_COPY_OUT: {
3785 /* Keep a local copy of the value since we need to copy it back after the call */
3786 int copy_local = mono_mb_add_local (mb, &(pclass->byval_arg));
3787 mono_mb_emit_ldarg (mb, param_index++);
3788 mono_marshal_emit_xdomain_copy_value (mb, pclass);
3789 mono_mb_emit_byte (mb, CEE_DUP);
3790 mono_mb_emit_stloc (mb, copy_local);
3793 case MONO_MARSHAL_COPY: {
3794 mono_mb_emit_ldarg (mb, param_index);
3796 mono_mb_emit_byte (mb, CEE_DUP);
3797 mono_mb_emit_byte (mb, CEE_DUP);
3798 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3799 mono_marshal_emit_xdomain_copy_value (mb, pclass);
3800 mono_mb_emit_byte (mb, CEE_STIND_REF);
3802 mono_marshal_emit_xdomain_copy_value (mb, pclass);
3807 case MONO_MARSHAL_NONE:
3808 mono_mb_emit_ldarg (mb, param_index++);
3813 /* Make the call to the real object */
3815 emit_thread_force_interrupt_checkpoint (mb);
3817 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
3819 if (sig->ret->type != MONO_TYPE_VOID)
3820 mono_mb_emit_stloc (mb, loc_return);
3822 /* copy back MONO_MARSHAL_COPY_OUT parameters */
3826 for (i = 0; i < sig->param_count; i++) {
3827 if (marshal_types [i] == MONO_MARSHAL_SERIALIZE) continue;
3828 if (marshal_types [i] == MONO_MARSHAL_COPY_OUT) {
3829 mono_mb_emit_ldloc (mb, copy_locals_base + (j++));
3830 mono_mb_emit_ldarg (mb, param_index);
3831 mono_marshal_emit_xdomain_copy_out_value (mb, mono_class_from_mono_type (sig->params [i]));
3836 /* Serialize the return values */
3838 if (complex_out_count > 0) {
3839 /* Reset parameters in the array that don't need to be serialized back */
3841 for (i = 0; i < sig->param_count; i++) {
3842 if (marshal_types[i] != MONO_MARSHAL_SERIALIZE) continue;
3843 if (!sig->params [i]->byref) {
3844 mono_mb_emit_ldloc (mb, loc_array);
3845 mono_mb_emit_icon (mb, j);
3846 mono_mb_emit_byte (mb, CEE_LDNULL);
3847 mono_mb_emit_byte (mb, CEE_STELEM_REF);
3852 /* Add the return value to the array */
3854 if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
3855 mono_mb_emit_ldloc (mb, loc_array);
3856 mono_mb_emit_icon (mb, complex_count); /* The array has an additional slot to hold the ret value */
3857 mono_mb_emit_ldloc (mb, loc_return);
3858 if (ret_class->valuetype) {
3859 mono_mb_emit_op (mb, CEE_BOX, ret_class);
3861 mono_mb_emit_byte (mb, CEE_STELEM_REF);
3866 mono_mb_emit_ldarg (mb, 1);
3867 mono_mb_emit_ldloc (mb, loc_array);
3868 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3869 mono_mb_emit_byte (mb, CEE_STIND_REF);
3870 } else if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
3871 mono_mb_emit_ldarg (mb, 1);
3872 mono_mb_emit_ldloc (mb, loc_return);
3873 if (ret_class->valuetype) {
3874 mono_mb_emit_op (mb, CEE_BOX, ret_class);
3876 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3877 mono_mb_emit_byte (mb, CEE_STIND_REF);
3879 mono_mb_emit_ldarg (mb, 1);
3880 mono_mb_emit_byte (mb, CEE_LDNULL);
3881 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3882 mono_mb_emit_byte (mb, CEE_STIND_REF);
3885 mono_mb_emit_ldarg (mb, 2);
3886 mono_mb_emit_byte (mb, CEE_LDNULL);
3887 mono_mb_emit_byte (mb, CEE_STIND_REF);
3888 pos_leave = mono_mb_emit_branch (mb, CEE_LEAVE);
3890 /* Main exception catch */
3891 main_clause->flags = MONO_EXCEPTION_CLAUSE_NONE;
3892 main_clause->try_len = mb->pos - main_clause->try_offset;
3893 main_clause->data.catch_class = mono_defaults.object_class;
3896 main_clause->handler_offset = mb->pos;
3897 mono_mb_emit_managed_call (mb, method_rs_serialize_exc, NULL);
3898 mono_mb_emit_stloc (mb, loc_serialized_exc);
3899 mono_mb_emit_ldarg (mb, 2);
3900 mono_mb_emit_ldloc (mb, loc_serialized_exc);
3901 mono_mb_emit_byte (mb, CEE_STIND_REF);
3902 mono_mb_emit_branch (mb, CEE_LEAVE);
3903 main_clause->handler_len = mb->pos - main_clause->handler_offset;
3906 mono_mb_patch_addr (mb, pos_leave, mb->pos - (pos_leave + 4));
3909 mono_mb_emit_ldloc (mb, loc_return);
3911 mono_mb_emit_byte (mb, CEE_RET);
3913 res = mono_remoting_mb_create_and_cache (method, mb, csig, csig->param_count + 16);
3916 header = ((MonoMethodNormal *)res)->header;
3917 header->num_clauses = 1;
3918 header->clauses = main_clause;
3923 /* mono_marshal_get_xappdomain_invoke ()
3924 * Generates a fast remoting wrapper for cross app domain calls.
3927 mono_marshal_get_xappdomain_invoke (MonoMethod *method)
3929 MonoMethodSignature *sig;
3930 MonoMethodBuilder *mb;
3932 int i, j, complex_count, complex_out_count, copy_locals_base;
3934 MonoClass *ret_class = NULL;
3935 MonoMethod *xdomain_method;
3936 int ret_marshal_type = MONO_MARSHAL_NONE;
3937 int loc_array=0, loc_serialized_data=-1, loc_real_proxy;
3938 int loc_old_domainid, loc_domainid, loc_return=0, loc_serialized_exc=0, loc_context;
3939 int pos, pos_dispatch, pos_noex;
3940 gboolean copy_return = FALSE;
3944 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE || method->wrapper_type == MONO_WRAPPER_XDOMAIN_INVOKE)
3947 /* we cant remote methods without this pointer */
3948 if (!mono_method_signature (method)->hasthis)
3951 if (!mono_marshal_supports_fast_xdomain (method))
3952 return mono_marshal_get_remoting_invoke (method);
3954 mono_remoting_marshal_init ();
3956 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_XDOMAIN_INVOKE)))
3959 sig = signature_no_pinvoke (method);
3961 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_XDOMAIN_INVOKE);
3962 mb->method->save_lmf = 1;
3964 /* Count the number of parameters that need to be serialized */
3966 marshal_types = alloca (sizeof (int) * sig->param_count);
3967 complex_count = complex_out_count = 0;
3968 for (i = 0; i < sig->param_count; i++) {
3969 MonoType *ptype = sig->params[i];
3970 int mt = mono_get_xdomain_marshal_type (ptype);
3972 /* If the [Out] attribute is applied to a parameter that can be internally copied,
3973 * the copy will be made by reusing the original object instance
3975 if ((ptype->attrs & PARAM_ATTRIBUTE_OUT) != 0 && mt == MONO_MARSHAL_COPY && !ptype->byref)
3976 mt = MONO_MARSHAL_COPY_OUT;
3977 else if (mt == MONO_MARSHAL_SERIALIZE) {
3979 if (ptype->byref) complex_out_count++;
3981 marshal_types [i] = mt;
3984 if (sig->ret->type != MONO_TYPE_VOID) {
3985 ret_marshal_type = mono_get_xdomain_marshal_type (sig->ret);
3986 ret_class = mono_class_from_mono_type (sig->ret);
3987 copy_return = ret_marshal_type != MONO_MARSHAL_SERIALIZE;
3992 if (complex_count > 0)
3993 loc_array = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3994 loc_serialized_data = mono_mb_add_local (mb, &byte_array_class->byval_arg);
3995 loc_real_proxy = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3997 loc_return = mono_mb_add_local (mb, sig->ret);
3998 loc_old_domainid = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
3999 loc_domainid = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
4000 loc_serialized_exc = mono_mb_add_local (mb, &byte_array_class->byval_arg);
4001 loc_context = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4003 /* Save thread domain data */
4005 mono_mb_emit_icall (mb, mono_context_get);
4006 mono_mb_emit_byte (mb, CEE_DUP);
4007 mono_mb_emit_stloc (mb, loc_context);
4009 /* If the thread is not running in the default context, it needs to go
4010 * through the whole remoting sink, since the context is going to change
4012 mono_mb_emit_managed_call (mb, method_needs_context_sink, NULL);
4013 pos = mono_mb_emit_short_branch (mb, CEE_BRTRUE_S);
4015 /* Another case in which the fast path can't be used: when the target domain
4016 * has a different image for the same assembly.
4019 /* Get the target domain id */
4021 mono_mb_emit_ldarg (mb, 0);
4022 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
4023 mono_mb_emit_byte (mb, CEE_LDIND_REF);
4024 mono_mb_emit_byte (mb, CEE_DUP);
4025 mono_mb_emit_stloc (mb, loc_real_proxy);
4027 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoRealProxy, target_domain_id));
4028 mono_mb_emit_byte (mb, CEE_LDIND_I4);
4029 mono_mb_emit_stloc (mb, loc_domainid);
4031 /* Check if the target domain has the same image for the required assembly */
4033 mono_mb_emit_ldloc (mb, loc_domainid);
4034 mono_mb_emit_ptr (mb, method->klass->image);
4035 mono_mb_emit_icall (mb, mono_marshal_check_domain_image);
4036 pos_dispatch = mono_mb_emit_short_branch (mb, CEE_BRTRUE_S);
4038 /* Use the whole remoting sink to dispatch this message */
4040 mono_mb_patch_short_branch (mb, pos);
4042 mono_mb_emit_ldarg (mb, 0);
4043 for (i = 0; i < sig->param_count; i++)
4044 mono_mb_emit_ldarg (mb, i + 1);
4046 mono_mb_emit_managed_call (mb, mono_marshal_get_remoting_invoke (method), NULL);
4047 mono_mb_emit_byte (mb, CEE_RET);
4048 mono_mb_patch_short_branch (mb, pos_dispatch);
4050 /* Create the array that will hold the parameters to be serialized */
4052 if (complex_count > 0) {
4053 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 */
4054 mono_mb_emit_op (mb, CEE_NEWARR, mono_defaults.object_class);
4057 for (i = 0; i < sig->param_count; i++) {
4059 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE) continue;
4060 pclass = mono_class_from_mono_type (sig->params[i]);
4061 mono_mb_emit_byte (mb, CEE_DUP);
4062 mono_mb_emit_icon (mb, j);
4063 mono_mb_emit_ldarg (mb, i + 1); /* 0=this */
4064 if (sig->params[i]->byref) {
4065 if (pclass->valuetype)
4066 mono_mb_emit_op (mb, CEE_LDOBJ, pclass);
4068 mono_mb_emit_byte (mb, CEE_LDIND_REF);
4070 if (pclass->valuetype)
4071 mono_mb_emit_op (mb, CEE_BOX, pclass);
4072 mono_mb_emit_byte (mb, CEE_STELEM_REF);
4075 mono_mb_emit_stloc (mb, loc_array);
4077 /* Serialize parameters */
4079 mono_mb_emit_ldloc (mb, loc_array);
4080 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
4081 mono_mb_emit_stloc (mb, loc_serialized_data);
4083 mono_mb_emit_byte (mb, CEE_LDNULL);
4084 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
4085 mono_mb_emit_stloc (mb, loc_serialized_data);
4090 mono_mb_emit_ldloc (mb, loc_domainid);
4091 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
4092 mono_marshal_emit_switch_domain (mb);
4093 mono_mb_emit_stloc (mb, loc_old_domainid);
4095 /* Load the arguments */
4097 mono_mb_emit_ldloc (mb, loc_real_proxy);
4098 mono_mb_emit_ldloc_addr (mb, loc_serialized_data);
4099 mono_mb_emit_ldloc_addr (mb, loc_serialized_exc);
4101 copy_locals_base = mb->locals;
4102 for (i = 0; i < sig->param_count; i++) {
4103 switch (marshal_types [i]) {
4104 case MONO_MARSHAL_SERIALIZE:
4106 case MONO_MARSHAL_COPY: {
4107 mono_mb_emit_ldarg (mb, i+1);
4108 if (sig->params [i]->byref) {
4109 /* make a local copy of the byref parameter. The real parameter
4110 * will be updated after the xdomain call
4112 MonoClass *pclass = mono_class_from_mono_type (sig->params [i]);
4113 int copy_local = mono_mb_add_local (mb, &(pclass->byval_arg));
4114 mono_mb_emit_byte (mb, CEE_LDIND_REF);
4115 mono_mb_emit_stloc (mb, copy_local);
4116 mono_mb_emit_ldloc_addr (mb, copy_local);
4120 case MONO_MARSHAL_COPY_OUT:
4121 case MONO_MARSHAL_NONE:
4122 mono_mb_emit_ldarg (mb, i+1);
4127 /* Make the call to the invoke wrapper in the target domain */
4129 xdomain_method = mono_marshal_get_xappdomain_dispatch (method, marshal_types, complex_count, complex_out_count, ret_marshal_type);
4130 mono_marshal_emit_load_domain_method (mb, xdomain_method);
4131 mono_mb_emit_calli (mb, mono_method_signature (xdomain_method));
4134 mono_mb_emit_stloc (mb, loc_return);
4138 mono_mb_emit_ldloc (mb, loc_old_domainid);
4139 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
4140 mono_marshal_emit_switch_domain (mb);
4141 mono_mb_emit_byte (mb, CEE_POP);
4143 /* Restore thread domain data */
4145 mono_mb_emit_ldloc (mb, loc_context);
4146 mono_mb_emit_icall (mb, mono_context_set);
4148 /* if (loc_serialized_exc != null) ... */
4150 mono_mb_emit_ldloc (mb, loc_serialized_exc);
4151 pos_noex = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
4153 mono_mb_emit_ldloc (mb, loc_serialized_exc);
4154 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
4155 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
4156 mono_mb_emit_op (mb, CEE_CASTCLASS, mono_defaults.exception_class);
4157 mono_mb_emit_managed_call (mb, method_exc_fixexc, NULL);
4158 mono_mb_emit_byte (mb, CEE_THROW);
4159 mono_mb_patch_addr_s (mb, pos_noex, mb->pos - pos_noex - 1);
4161 /* copy back non-serialized output parameters */
4164 for (i = 0; i < sig->param_count; i++) {
4165 if (!sig->params [i]->byref || marshal_types [i] != MONO_MARSHAL_COPY) continue;
4166 mono_mb_emit_ldarg (mb, i + 1);
4167 mono_mb_emit_ldloc (mb, copy_locals_base + (j++));
4168 mono_marshal_emit_xdomain_copy_value (mb, mono_class_from_mono_type (sig->params [i]));
4169 mono_mb_emit_byte (mb, CEE_STIND_REF);
4172 /* Deserialize out parameters */
4174 if (complex_out_count > 0) {
4175 mono_mb_emit_ldloc (mb, loc_serialized_data);
4176 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
4177 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
4178 mono_mb_emit_stloc (mb, loc_array);
4180 /* Copy back output parameters and return type */
4183 for (i = 0; i < sig->param_count; i++) {
4184 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE) continue;
4185 if (sig->params[i]->byref) {
4186 MonoClass *pclass = mono_class_from_mono_type (sig->params [i]);
4187 mono_mb_emit_ldarg (mb, i + 1);
4188 mono_mb_emit_ldloc (mb, loc_array);
4189 mono_mb_emit_icon (mb, j);
4190 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
4191 if (pclass->valuetype) {
4192 mono_mb_emit_op (mb, CEE_UNBOX, pclass);
4193 mono_mb_emit_op (mb, CEE_LDOBJ, pclass);
4194 mono_mb_emit_op (mb, CEE_STOBJ, pclass);
4196 if (pclass != mono_defaults.object_class)
4197 mono_mb_emit_op (mb, CEE_CASTCLASS, pclass);
4198 mono_mb_emit_byte (mb, CEE_STIND_REF);
4204 if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
4205 mono_mb_emit_ldloc (mb, loc_array);
4206 mono_mb_emit_icon (mb, complex_count);
4207 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
4208 if (ret_class->valuetype) {
4209 mono_mb_emit_op (mb, CEE_UNBOX, ret_class);
4210 mono_mb_emit_op (mb, CEE_LDOBJ, ret_class);
4213 } else if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
4214 mono_mb_emit_ldloc (mb, loc_serialized_data);
4215 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
4216 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
4217 if (ret_class->valuetype) {
4218 mono_mb_emit_op (mb, CEE_UNBOX, ret_class);
4219 mono_mb_emit_op (mb, CEE_LDOBJ, ret_class);
4220 } else if (ret_class != mono_defaults.object_class) {
4221 mono_mb_emit_op (mb, CEE_CASTCLASS, ret_class);
4224 mono_mb_emit_ldloc (mb, loc_serialized_data);
4225 mono_mb_emit_byte (mb, CEE_DUP);
4226 pos = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
4227 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
4229 mono_mb_patch_addr_s (mb, pos, mb->pos - (pos + 1));
4230 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
4231 mono_mb_emit_byte (mb, CEE_POP);
4235 mono_mb_emit_ldloc (mb, loc_return);
4236 if (ret_marshal_type == MONO_MARSHAL_COPY)
4237 mono_marshal_emit_xdomain_copy_value (mb, ret_class);
4240 mono_mb_emit_byte (mb, CEE_RET);
4242 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16);
4249 mono_marshal_get_remoting_invoke_for_target (MonoMethod *method, MonoRemotingTarget target_type)
4251 if (target_type == MONO_REMOTING_TARGET_APPDOMAIN)
4252 return mono_marshal_get_xappdomain_invoke (method);
4253 else if (target_type == MONO_REMOTING_TARGET_COMINTEROP)
4254 return cominterop_get_invoke (method);
4256 return mono_marshal_get_remoting_invoke (method);
4259 G_GNUC_UNUSED static gpointer
4260 mono_marshal_load_remoting_wrapper (MonoRealProxy *rp, MonoMethod *method)
4262 if (rp->target_domain_id != -1)
4263 return mono_compile_method (mono_marshal_get_xappdomain_invoke (method));
4265 return mono_compile_method (mono_marshal_get_remoting_invoke (method));
4269 mono_marshal_get_remoting_invoke_with_check (MonoMethod *method)
4271 MonoMethodSignature *sig;
4272 MonoMethodBuilder *mb;
4273 MonoMethod *res, *native;
4274 int i, pos, pos_rem;
4278 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK)
4281 /* we cant remote methods without this pointer */
4282 g_assert (mono_method_signature (method)->hasthis);
4284 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK)))
4287 sig = signature_no_pinvoke (method);
4289 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK);
4291 for (i = 0; i <= sig->param_count; i++)
4292 mono_mb_emit_ldarg (mb, i);
4294 mono_mb_emit_ldarg (mb, 0);
4295 pos = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
4297 if (mono_marshal_supports_fast_xdomain (method)) {
4298 mono_mb_emit_ldarg (mb, 0);
4299 pos_rem = mono_mb_emit_xdomain_check (mb, CEE_BEQ);
4301 /* wrapper for cross app domain calls */
4302 native = mono_marshal_get_xappdomain_invoke (method);
4303 mono_mb_emit_managed_call (mb, native, mono_method_signature (native));
4304 mono_mb_emit_byte (mb, CEE_RET);
4306 mono_mb_patch_addr (mb, pos_rem, mb->pos - (pos_rem + 4));
4308 /* wrapper for normal remote calls */
4309 native = mono_marshal_get_remoting_invoke (method);
4310 mono_mb_emit_managed_call (mb, native, mono_method_signature (native));
4311 mono_mb_emit_byte (mb, CEE_RET);
4314 mono_mb_patch_branch (mb, pos);
4315 mono_mb_emit_managed_call (mb, method, mono_method_signature (method));
4316 mono_mb_emit_byte (mb, CEE_RET);
4318 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16);
4325 * the returned method invokes all methods in a multicast delegate
4328 mono_marshal_get_delegate_invoke (MonoMethod *method)
4330 MonoMethodSignature *sig, *static_sig;
4332 MonoMethodBuilder *mb;
4338 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
4339 !strcmp (method->name, "Invoke"));
4341 sig = signature_no_pinvoke (method);
4343 cache = method->klass->image->delegate_invoke_cache;
4344 if ((res = mono_marshal_find_in_cache (cache, sig)))
4347 static_sig = signature_dup (method->klass->image, sig);
4348 static_sig->hasthis = 0;
4350 name = mono_signature_to_name (sig, "invoke");
4351 mb = mono_mb_new (mono_defaults.multicastdelegate_class, name, MONO_WRAPPER_DELEGATE_INVOKE);
4354 /* allocate local 0 (object) */
4355 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4357 g_assert (sig->hasthis);
4361 * prev.Invoke( args .. );
4362 * return this.<target>( args .. );
4365 /* this wrapper can be used in unmanaged-managed transitions */
4366 emit_thread_interrupt_checkpoint (mb);
4368 /* get this->prev */
4369 mono_mb_emit_ldarg (mb, 0);
4370 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoMulticastDelegate, prev));
4371 mono_mb_emit_byte (mb, CEE_LDIND_REF);
4373 /* if prev != null */
4374 pos0 = mono_mb_emit_branch (mb, CEE_BRFALSE);
4378 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4379 mono_mb_emit_byte (mb, CEE_MONO_NOT_TAKEN);
4381 mono_mb_emit_ldarg (mb, 0);
4382 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoMulticastDelegate, prev));
4383 mono_mb_emit_byte (mb, CEE_LDIND_REF);
4384 for (i = 0; i < sig->param_count; i++)
4385 mono_mb_emit_ldarg (mb, i + 1);
4386 mono_mb_emit_managed_call (mb, method, mono_method_signature (method));
4387 if (sig->ret->type != MONO_TYPE_VOID)
4388 mono_mb_emit_byte (mb, CEE_POP);
4390 /* continued or prev == null */
4391 mono_mb_patch_branch (mb, pos0);
4393 /* get this->target */
4394 mono_mb_emit_ldarg (mb, 0);
4395 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, target));
4396 mono_mb_emit_byte (mb, CEE_LDIND_REF);
4397 mono_mb_emit_stloc (mb, 0);
4399 /* if target != null */
4400 mono_mb_emit_ldloc (mb, 0);
4401 pos0 = mono_mb_emit_branch (mb, CEE_BRFALSE);
4403 /* then call this->method_ptr nonstatic */
4404 mono_mb_emit_ldloc (mb, 0);
4405 for (i = 0; i < sig->param_count; ++i)
4406 mono_mb_emit_ldarg (mb, i + 1);
4407 mono_mb_emit_ldarg (mb, 0);
4408 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, method_ptr));
4409 mono_mb_emit_byte (mb, CEE_LDIND_I );
4410 mono_mb_emit_op (mb, CEE_CALLI, sig);
4412 pos1 = mono_mb_emit_branch (mb, CEE_BR);
4414 /* else [target == null] call this->method_ptr static */
4415 mono_mb_patch_branch (mb, pos0);
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, static_sig);
4425 mono_mb_patch_branch (mb, pos1);
4426 mono_mb_emit_byte (mb, CEE_RET);
4428 res = mono_mb_create_and_cache (cache, sig,
4429 mb, sig, sig->param_count + 16);
4436 * signature_dup_add_this:
4438 * Make a copy of @sig, adding an explicit this argument.
4440 static MonoMethodSignature*
4441 signature_dup_add_this (MonoMethodSignature *sig, MonoClass *klass)
4443 MonoMethodSignature *res;
4446 res = mono_metadata_signature_alloc (klass->image, sig->param_count + 1);
4447 memcpy (res, sig, sizeof (MonoMethodSignature));
4448 res->param_count = sig->param_count + 1;
4449 res->hasthis = FALSE;
4450 for (i = sig->param_count - 1; i >= 0; i --)
4451 res->params [i + 1] = sig->params [i];
4452 res->params [0] = &mono_ptr_class_get (&klass->byval_arg)->byval_arg;
4459 MonoMethodSignature *sig;
4465 * generates IL code for the runtime invoke function
4466 * MonoObject *runtime_invoke (MonoObject *this, void **params, MonoObject **exc, void* method)
4468 * we also catch exceptions if exc != null
4471 mono_marshal_get_runtime_invoke (MonoMethod *method)
4473 MonoMethodSignature *sig, *csig, *callsig;
4474 MonoExceptionClause *clause;
4475 MonoMethodHeader *header;
4476 MonoMethodBuilder *mb;
4477 GHashTable *cache = NULL;
4478 MonoClass *target_klass;
4479 MonoMethod *res = NULL;
4481 static MonoString *string_dummy = NULL;
4482 static MonoMethodSignature *dealy_abort_sig = NULL;
4488 mono_marshal_lock ();
4490 if (method->string_ctor) {
4491 static GSList *strsig_list = NULL;
4495 for (item = strsig_list; item; item = item->next) {
4497 if (mono_metadata_signature_equal (mono_method_signature (method), mono_method_signature (cs->ctor))) {
4503 callsig = signature_dup (method->klass->image, mono_method_signature (method));
4504 callsig->ret = &mono_defaults.string_class->byval_arg;
4505 cs = g_new (CtorSigPair, 1);
4508 strsig_list = g_slist_prepend (strsig_list, cs);
4511 if (method->klass->valuetype && mono_method_signature (method)->hasthis) {
4513 * Valuetype methods receive a managed pointer as the this argument.
4514 * Create a new signature to reflect this.
4516 callsig = signature_dup_add_this (mono_method_signature (method), method->klass);
4518 callsig = mono_method_signature (method);
4522 target_klass = mono_defaults.object_class;
4524 * if types in the signature belong to non-mscorlib, we cache only
4525 * in the method image
4527 if (mono_class_from_mono_type (callsig->ret)->image != mono_defaults.corlib) {
4528 target_klass = method->klass;
4530 for (i = 0; i < callsig->param_count; i++) {
4531 if (mono_class_from_mono_type (callsig->params [i])->image != mono_defaults.corlib) {
4532 target_klass = method->klass;
4537 cache = target_klass->image->runtime_invoke_cache;
4539 /* from mono_marshal_find_in_cache */
4540 res = g_hash_table_lookup (cache, callsig);
4541 mono_marshal_unlock ();
4547 if (!dealy_abort_sig) {
4548 dealy_abort_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
4549 dealy_abort_sig->ret = &mono_defaults.void_class->byval_arg;
4550 dealy_abort_sig->pinvoke = 0;
4553 /* to make it work with our special string constructors */
4554 if (!string_dummy) {
4555 MONO_GC_REGISTER_ROOT (string_dummy);
4556 string_dummy = mono_string_new_wrapper ("dummy");
4559 sig = mono_method_signature (method);
4561 csig = mono_metadata_signature_alloc (method->klass->image, 4);
4563 csig->ret = &mono_defaults.object_class->byval_arg;
4564 if (method->klass->valuetype && mono_method_signature (method)->hasthis)
4565 csig->params [0] = callsig->params [0];
4567 csig->params [0] = &mono_defaults.object_class->byval_arg;
4568 csig->params [1] = &mono_defaults.int_class->byval_arg;
4569 csig->params [2] = &mono_defaults.int_class->byval_arg;
4570 csig->params [3] = &mono_defaults.int_class->byval_arg;
4572 name = mono_signature_to_name (callsig, "runtime_invoke");
4573 mb = mono_mb_new (target_klass, name, MONO_WRAPPER_RUNTIME_INVOKE);
4576 /* allocate local 0 (object) tmp */
4577 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4578 /* allocate local 1 (object) exc */
4579 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4581 /* cond set *exc to null */
4582 mono_mb_emit_byte (mb, CEE_LDARG_2);
4583 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
4584 mono_mb_emit_byte (mb, 3);
4585 mono_mb_emit_byte (mb, CEE_LDARG_2);
4586 mono_mb_emit_byte (mb, CEE_LDNULL);
4587 mono_mb_emit_byte (mb, CEE_STIND_REF);
4589 emit_thread_force_interrupt_checkpoint (mb);
4592 if (method->string_ctor) {
4593 mono_mb_emit_ptr (mb, string_dummy);
4595 mono_mb_emit_ldarg (mb, 0);
4599 for (i = 0; i < sig->param_count; i++) {
4600 MonoType *t = sig->params [i];
4603 mono_mb_emit_ldarg (mb, 1);
4605 mono_mb_emit_icon (mb, sizeof (gpointer) * i);
4606 mono_mb_emit_byte (mb, CEE_ADD);
4608 mono_mb_emit_byte (mb, CEE_LDIND_I);
4613 type = sig->params [i]->type;
4617 case MONO_TYPE_BOOLEAN:
4621 case MONO_TYPE_CHAR:
4630 mono_mb_emit_byte (mb, mono_type_to_ldind (sig->params [i]));
4632 case MONO_TYPE_STRING:
4633 case MONO_TYPE_CLASS:
4634 case MONO_TYPE_ARRAY:
4636 case MONO_TYPE_SZARRAY:
4637 case MONO_TYPE_OBJECT:
4640 case MONO_TYPE_GENERICINST:
4641 if (!mono_type_generic_inst_is_valuetype (sig->params [i])) {
4647 case MONO_TYPE_VALUETYPE:
4648 if (type == MONO_TYPE_VALUETYPE && t->data.klass->enumtype) {
4649 type = t->data.klass->enum_basetype->type;
4652 if (mono_class_is_nullable (mono_class_from_mono_type (sig->params [i]))) {
4653 /* Need to convert a boxed vtype to an mp to a Nullable struct */
4654 mono_mb_emit_op (mb, CEE_UNBOX, mono_class_from_mono_type (sig->params [i]));
4655 mono_mb_emit_op (mb, CEE_LDOBJ, mono_class_from_mono_type (sig->params [i]));
4657 mono_mb_emit_op (mb, CEE_LDOBJ, mono_class_from_mono_type (sig->params [i]));
4661 g_assert_not_reached ();
4665 mono_mb_emit_ldarg (mb, 3);
4666 mono_mb_emit_calli (mb, callsig);
4668 if (sig->ret->byref) {
4670 g_assert_not_reached ();
4674 switch (sig->ret->type) {
4675 case MONO_TYPE_VOID:
4676 if (!method->string_ctor)
4677 mono_mb_emit_byte (mb, CEE_LDNULL);
4679 case MONO_TYPE_BOOLEAN:
4680 case MONO_TYPE_CHAR:
4693 case MONO_TYPE_VALUETYPE:
4694 case MONO_TYPE_TYPEDBYREF:
4695 case MONO_TYPE_GENERICINST:
4696 /* box value types */
4697 mono_mb_emit_op (mb, CEE_BOX, mono_class_from_mono_type (sig->ret));
4699 case MONO_TYPE_STRING:
4700 case MONO_TYPE_CLASS:
4701 case MONO_TYPE_ARRAY:
4702 case MONO_TYPE_SZARRAY:
4703 case MONO_TYPE_OBJECT:
4708 g_assert_not_reached ();
4711 mono_mb_emit_stloc (mb, 0);
4713 pos = mono_mb_emit_branch (mb, CEE_LEAVE);
4715 mono_loader_lock ();
4716 clause = mono_mempool_alloc0 (target_klass->image->mempool, sizeof (MonoExceptionClause));
4717 mono_loader_unlock ();
4718 clause->flags = MONO_EXCEPTION_CLAUSE_FILTER;
4719 clause->try_len = mb->pos;
4722 clause->data.filter_offset = mb->pos;
4724 mono_mb_emit_byte (mb, CEE_POP);
4725 mono_mb_emit_byte (mb, CEE_LDARG_2);
4726 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
4727 mono_mb_emit_byte (mb, CEE_PREFIX1);
4728 mono_mb_emit_byte (mb, CEE_CGT_UN);
4729 mono_mb_emit_byte (mb, CEE_PREFIX1);
4730 mono_mb_emit_byte (mb, CEE_ENDFILTER);
4732 clause->handler_offset = mb->pos;
4735 /* store exception */
4736 mono_mb_emit_stloc (mb, 1);
4738 mono_mb_emit_byte (mb, CEE_LDARG_2);
4739 mono_mb_emit_ldloc (mb, 1);
4740 mono_mb_emit_byte (mb, CEE_STIND_REF);
4742 mono_mb_emit_byte (mb, CEE_LDNULL);
4743 mono_mb_emit_stloc (mb, 0);
4745 /* Check for the abort exception */
4746 mono_mb_emit_ldloc (mb, 1);
4747 mono_mb_emit_op (mb, CEE_ISINST, mono_defaults.threadabortexception_class);
4748 posna = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
4750 /* Delay the abort exception */
4751 mono_mb_emit_native_call (mb, dealy_abort_sig, ves_icall_System_Threading_Thread_ResetAbort);
4753 mono_mb_patch_short_branch (mb, posna);
4754 mono_mb_emit_branch (mb, CEE_LEAVE);
4756 clause->handler_len = mb->pos - clause->handler_offset;
4759 mono_mb_patch_branch (mb, pos);
4760 mono_mb_emit_ldloc (mb, 0);
4761 mono_mb_emit_byte (mb, CEE_RET);
4763 /* taken from mono_mb_create_and_cache */
4764 mono_loader_lock ();
4765 mono_marshal_lock ();
4767 res = g_hash_table_lookup (cache, callsig);
4768 /* Somebody may have created it before us */
4770 res = mono_mb_create_method (mb, csig, sig->param_count + 16);
4771 g_hash_table_insert (cache, callsig, res);
4772 g_hash_table_insert (wrapper_hash, res, callsig);
4775 mono_marshal_unlock ();
4776 mono_loader_unlock ();
4777 /* end mono_mb_create_and_cache */
4781 header = ((MonoMethodNormal *)res)->header;
4782 header->num_clauses = 1;
4783 header->clauses = clause;
4789 mono_mb_emit_auto_layout_exception (MonoMethodBuilder *mb, MonoClass *klass)
4791 char *msg = g_strdup_printf ("The type `%s.%s' layout needs to be Sequential or Explicit",
4792 klass->name_space, klass->name);
4794 mono_mb_emit_exception_marshal_directive (mb, msg);
4798 * mono_marshal_get_ldfld_remote_wrapper:
4799 * @klass: The return type
4801 * This method generates a wrapper for calling mono_load_remote_field_new with
4802 * the appropriate return type.
4805 mono_marshal_get_ldfld_remote_wrapper (MonoClass *klass)
4807 MonoMethodSignature *sig, *csig;
4808 MonoMethodBuilder *mb;
4813 cache = klass->image->ldfld_remote_wrapper_cache;
4814 if ((res = mono_marshal_find_in_cache (cache, klass)))
4818 * This wrapper is similar to an icall wrapper but all the wrappers
4819 * call the same C function, but with a different signature.
4821 name = g_strdup_printf ("__mono_load_remote_field_new_wrapper_%s.%s", klass->name_space, klass->name);
4822 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_LDFLD_REMOTE);
4825 mb->method->save_lmf = 1;
4827 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
4828 sig->params [0] = &mono_defaults.object_class->byval_arg;
4829 sig->params [1] = &mono_defaults.int_class->byval_arg;
4830 sig->params [2] = &mono_defaults.int_class->byval_arg;
4831 sig->ret = &klass->this_arg;
4833 mono_mb_emit_ldarg (mb, 0);
4834 mono_mb_emit_ldarg (mb, 1);
4835 mono_mb_emit_ldarg (mb, 2);
4837 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
4838 csig->params [0] = &mono_defaults.object_class->byval_arg;
4839 csig->params [1] = &mono_defaults.int_class->byval_arg;
4840 csig->params [2] = &mono_defaults.int_class->byval_arg;
4841 csig->ret = &klass->this_arg;
4844 mono_mb_emit_native_call (mb, csig, mono_load_remote_field_new);
4845 emit_thread_interrupt_checkpoint (mb);
4847 mono_mb_emit_byte (mb, CEE_RET);
4849 res = mono_mb_create_and_cache (cache, klass,
4850 mb, sig, sig->param_count + 16);
4857 * mono_marshal_get_ldfld_wrapper:
4858 * @type: the type of the field
4860 * This method generates a function which can be use to load a field with type
4861 * @type from an object. The generated function has the following signature:
4862 * <@type> ldfld_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset)
4865 mono_marshal_get_ldfld_wrapper (MonoType *type)
4867 MonoMethodSignature *sig;
4868 MonoMethodBuilder *mb;
4873 int t, pos0, pos1 = 0;
4875 type = mono_type_get_underlying_type (type);
4880 if (type->type == MONO_TYPE_SZARRAY) {
4881 klass = mono_defaults.array_class;
4882 } else if (type->type == MONO_TYPE_VALUETYPE) {
4883 klass = type->data.klass;
4884 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING) {
4885 klass = mono_defaults.object_class;
4886 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
4887 klass = mono_defaults.int_class;
4888 } else if (t == MONO_TYPE_GENERICINST) {
4889 if (mono_type_generic_inst_is_valuetype (type))
4890 klass = mono_class_from_mono_type (type);
4892 klass = mono_defaults.object_class;
4894 klass = mono_class_from_mono_type (type);
4897 klass = mono_defaults.int_class;
4900 cache = klass->image->ldfld_wrapper_cache;
4901 if ((res = mono_marshal_find_in_cache (cache, klass)))
4904 /* we add the %p pointer value of klass because class names are not unique */
4905 name = g_strdup_printf ("__ldfld_wrapper_%p_%s.%s", klass, klass->name_space, klass->name);
4906 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_LDFLD);
4909 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
4910 sig->params [0] = &mono_defaults.object_class->byval_arg;
4911 sig->params [1] = &mono_defaults.int_class->byval_arg;
4912 sig->params [2] = &mono_defaults.int_class->byval_arg;
4913 sig->params [3] = &mono_defaults.int_class->byval_arg;
4914 sig->ret = &klass->byval_arg;
4916 mono_mb_emit_ldarg (mb, 0);
4917 pos0 = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
4919 mono_mb_emit_ldarg (mb, 0);
4920 mono_mb_emit_ldarg (mb, 1);
4921 mono_mb_emit_ldarg (mb, 2);
4923 mono_mb_emit_managed_call (mb, mono_marshal_get_ldfld_remote_wrapper (klass), NULL);
4926 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
4927 csig->params [0] = &mono_defaults.object_class->byval_arg;
4928 csig->params [1] = &mono_defaults.int_class->byval_arg;
4929 csig->params [2] = &mono_defaults.int_class->byval_arg;
4930 csig->ret = &klass->this_arg;
4933 mono_mb_emit_native_call (mb, csig, mono_load_remote_field_new);
4934 emit_thread_interrupt_checkpoint (mb);
4937 if (klass->valuetype) {
4938 mono_mb_emit_op (mb, CEE_UNBOX, klass);
4939 pos1 = mono_mb_emit_branch (mb, CEE_BR);
4941 mono_mb_emit_byte (mb, CEE_RET);
4945 mono_mb_patch_branch (mb, pos0);
4947 mono_mb_emit_ldarg (mb, 0);
4948 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4949 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
4950 mono_mb_emit_ldarg (mb, 3);
4951 mono_mb_emit_byte (mb, CEE_ADD);
4953 if (klass->valuetype)
4954 mono_mb_patch_branch (mb, pos1);
4959 case MONO_TYPE_BOOLEAN:
4960 case MONO_TYPE_CHAR:
4969 case MONO_TYPE_ARRAY:
4970 case MONO_TYPE_SZARRAY:
4971 case MONO_TYPE_OBJECT:
4972 case MONO_TYPE_CLASS:
4973 case MONO_TYPE_STRING:
4977 case MONO_TYPE_FNPTR:
4978 mono_mb_emit_byte (mb, mono_type_to_ldind (type));
4980 case MONO_TYPE_VALUETYPE:
4981 g_assert (!klass->enumtype);
4982 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
4984 case MONO_TYPE_GENERICINST:
4985 if (mono_type_generic_inst_is_valuetype (type)) {
4986 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
4988 mono_mb_emit_byte (mb, CEE_LDIND_REF);
4992 g_warning ("type %x not implemented", type->type);
4993 g_assert_not_reached ();
4996 mono_mb_emit_byte (mb, CEE_RET);
4998 res = mono_mb_create_and_cache (cache, klass,
4999 mb, sig, sig->param_count + 16);
5006 * mono_marshal_get_ldflda_wrapper:
5007 * @type: the type of the field
5009 * This method generates a function which can be used to load a field address
5010 * from an object. The generated function has the following signature:
5011 * gpointer ldflda_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset);
5014 mono_marshal_get_ldflda_wrapper (MonoType *type)
5016 MonoMethodSignature *sig;
5017 MonoMethodBuilder *mb;
5024 type = mono_type_get_underlying_type (type);
5028 if (type->type == MONO_TYPE_SZARRAY) {
5029 klass = mono_defaults.array_class;
5030 } else if (type->type == MONO_TYPE_VALUETYPE) {
5031 klass = type->data.klass;
5032 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING ||
5033 t == MONO_TYPE_CLASS) {
5034 klass = mono_defaults.object_class;
5035 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
5036 klass = mono_defaults.int_class;
5037 } else if (t == MONO_TYPE_GENERICINST) {
5038 if (mono_type_generic_inst_is_valuetype (type))
5039 klass = mono_class_from_mono_type (type);
5041 klass = mono_defaults.object_class;
5043 klass = mono_class_from_mono_type (type);
5046 klass = mono_defaults.int_class;
5049 cache = klass->image->ldflda_wrapper_cache;
5050 if ((res = mono_marshal_find_in_cache (cache, klass)))
5053 /* we add the %p pointer value of klass because class names are not unique */
5054 name = g_strdup_printf ("__ldflda_wrapper_%p_%s.%s", klass, klass->name_space, klass->name);
5055 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_LDFLDA);
5058 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
5059 sig->params [0] = &mono_defaults.object_class->byval_arg;
5060 sig->params [1] = &mono_defaults.int_class->byval_arg;
5061 sig->params [2] = &mono_defaults.int_class->byval_arg;
5062 sig->params [3] = &mono_defaults.int_class->byval_arg;
5063 sig->ret = &mono_defaults.int_class->byval_arg;
5065 mono_mb_emit_ldarg (mb, 0);
5066 pos0 = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
5068 /* FIXME: Only throw this if the object is in another appdomain */
5069 mono_mb_emit_exception_full (mb, "System", "InvalidOperationException", "Attempt to load field address from object in another appdomain.");
5071 mono_mb_patch_branch (mb, pos0);
5073 mono_mb_emit_ldarg (mb, 0);
5074 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5075 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
5076 mono_mb_emit_ldarg (mb, 3);
5077 mono_mb_emit_byte (mb, CEE_ADD);
5079 mono_mb_emit_byte (mb, CEE_RET);
5081 res = mono_mb_create_and_cache (cache, klass,
5082 mb, sig, sig->param_count + 16);
5089 * mono_marshal_get_stfld_remote_wrapper:
5090 * klass: The type of the field
5092 * This function generates a wrapper for calling mono_store_remote_field_new
5093 * with the appropriate signature.
5096 mono_marshal_get_stfld_remote_wrapper (MonoClass *klass)
5098 MonoMethodSignature *sig, *csig;
5099 MonoMethodBuilder *mb;
5104 cache = klass->image->stfld_remote_wrapper_cache;
5105 if ((res = mono_marshal_find_in_cache (cache, klass)))
5108 name = g_strdup_printf ("__mono_store_remote_field_new_wrapper_%s.%s", klass->name_space, klass->name);
5109 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_STFLD_REMOTE);
5112 mb->method->save_lmf = 1;
5114 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
5115 sig->params [0] = &mono_defaults.object_class->byval_arg;
5116 sig->params [1] = &mono_defaults.int_class->byval_arg;
5117 sig->params [2] = &mono_defaults.int_class->byval_arg;
5118 sig->params [3] = &klass->byval_arg;
5119 sig->ret = &mono_defaults.void_class->byval_arg;
5121 mono_mb_emit_ldarg (mb, 0);
5122 mono_mb_emit_ldarg (mb, 1);
5123 mono_mb_emit_ldarg (mb, 2);
5124 mono_mb_emit_ldarg (mb, 3);
5126 if (klass->valuetype)
5127 mono_mb_emit_op (mb, CEE_BOX, klass);
5129 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
5130 csig->params [0] = &mono_defaults.object_class->byval_arg;
5131 csig->params [1] = &mono_defaults.int_class->byval_arg;
5132 csig->params [2] = &mono_defaults.int_class->byval_arg;
5133 csig->params [3] = &klass->byval_arg;
5134 csig->ret = &mono_defaults.void_class->byval_arg;
5137 mono_mb_emit_native_call (mb, csig, mono_store_remote_field_new);
5138 emit_thread_interrupt_checkpoint (mb);
5140 mono_mb_emit_byte (mb, CEE_RET);
5142 res = mono_mb_create_and_cache (cache, klass,
5143 mb, sig, sig->param_count + 16);
5150 * mono_marshal_get_stfld_wrapper:
5151 * @type: the type of the field
5153 * This method generates a function which can be use to store a field with type
5154 * @type. The generated function has the following signature:
5155 * void stfld_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset, <@type> val)
5158 mono_marshal_get_stfld_wrapper (MonoType *type)
5160 MonoMethodSignature *sig;
5161 MonoMethodBuilder *mb;
5168 type = mono_type_get_underlying_type (type);
5172 if (type->type == MONO_TYPE_SZARRAY) {
5173 klass = mono_defaults.array_class;
5174 } else if (type->type == MONO_TYPE_VALUETYPE) {
5175 klass = type->data.klass;
5176 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING) {
5177 klass = mono_defaults.object_class;
5178 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
5179 klass = mono_defaults.int_class;
5180 } else if (t == MONO_TYPE_GENERICINST) {
5181 if (mono_type_generic_inst_is_valuetype (type))
5182 klass = mono_class_from_mono_type (type);
5184 klass = mono_defaults.object_class;
5186 klass = mono_class_from_mono_type (type);
5189 klass = mono_defaults.int_class;
5192 cache = klass->image->stfld_wrapper_cache;
5193 if ((res = mono_marshal_find_in_cache (cache, klass)))
5196 /* we add the %p pointer value of klass because class names are not unique */
5197 name = g_strdup_printf ("__stfld_wrapper_%p_%s.%s", klass, klass->name_space, klass->name);
5198 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_STFLD);
5201 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 5);
5202 sig->params [0] = &mono_defaults.object_class->byval_arg;
5203 sig->params [1] = &mono_defaults.int_class->byval_arg;
5204 sig->params [2] = &mono_defaults.int_class->byval_arg;
5205 sig->params [3] = &mono_defaults.int_class->byval_arg;
5206 sig->params [4] = &klass->byval_arg;
5207 sig->ret = &mono_defaults.void_class->byval_arg;
5209 mono_mb_emit_ldarg (mb, 0);
5210 pos = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
5212 mono_mb_emit_ldarg (mb, 0);
5213 mono_mb_emit_ldarg (mb, 1);
5214 mono_mb_emit_ldarg (mb, 2);
5215 mono_mb_emit_ldarg (mb, 4);
5217 mono_mb_emit_managed_call (mb, mono_marshal_get_stfld_remote_wrapper (klass), NULL);
5219 mono_mb_emit_byte (mb, CEE_RET);
5221 mono_mb_patch_branch (mb, pos);
5223 mono_mb_emit_ldarg (mb, 0);
5224 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5225 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
5226 mono_mb_emit_ldarg (mb, 3);
5227 mono_mb_emit_byte (mb, CEE_ADD);
5228 mono_mb_emit_ldarg (mb, 4);
5233 case MONO_TYPE_BOOLEAN:
5234 case MONO_TYPE_CHAR:
5243 case MONO_TYPE_ARRAY:
5244 case MONO_TYPE_SZARRAY:
5245 case MONO_TYPE_OBJECT:
5246 case MONO_TYPE_CLASS:
5247 case MONO_TYPE_STRING:
5251 case MONO_TYPE_FNPTR:
5252 mono_mb_emit_byte (mb, mono_type_to_stind (type));
5254 case MONO_TYPE_VALUETYPE:
5255 g_assert (!klass->enumtype);
5256 mono_mb_emit_op (mb, CEE_STOBJ, klass);
5258 case MONO_TYPE_GENERICINST:
5259 mono_mb_emit_op (mb, CEE_STOBJ, klass);
5262 g_warning ("type %x not implemented", type->type);
5263 g_assert_not_reached ();
5266 mono_mb_emit_byte (mb, CEE_RET);
5268 res = mono_mb_create_and_cache (cache, klass,
5269 mb, sig, sig->param_count + 16);
5276 * generates IL code for the icall wrapper (the generated method
5277 * calls the unmanaged code in func)
5280 mono_marshal_get_icall_wrapper (MonoMethodSignature *sig, const char *name, gconstpointer func)
5282 MonoMethodSignature *csig;
5283 MonoMethodBuilder *mb;
5287 g_assert (sig->pinvoke);
5289 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_MANAGED_TO_NATIVE);
5291 mb->method->save_lmf = 1;
5293 /* we copy the signature, so that we can modify it */
5296 mono_mb_emit_byte (mb, CEE_LDARG_0);
5298 for (i = 0; i < sig->param_count; i++)
5299 mono_mb_emit_ldarg (mb, i + sig->hasthis);
5301 mono_mb_emit_native_call (mb, sig, (gpointer) func);
5302 emit_thread_interrupt_checkpoint (mb);
5303 mono_mb_emit_byte (mb, CEE_RET);
5305 csig = signature_dup (mono_defaults.corlib, sig);
5307 if (csig->call_convention == MONO_CALL_VARARG)
5308 csig->call_convention = 0;
5310 res = mono_mb_create_method (mb, csig, csig->param_count + 16);
5317 MonoMethodBuilder *mb;
5318 MonoMethodSignature *sig;
5319 MonoMethodPInvoke *piinfo;
5320 int *orig_conv_args; /* Locals containing the original values of byref args */
5322 MonoClass *retobj_class;
5323 MonoMethodSignature *csig; /* Might need to be changed due to MarshalAs directives */
5324 MonoImage *image; /* The image to use for looking up custom marshallers */
5325 } EmitMarshalContext;
5329 * This is invoked to convert arguments from the current types to
5330 * the underlying types expected by the platform routine. If required,
5331 * the methods create a temporary variable with the proper type, and return
5332 * the location for it (either the passed argument, or the newly allocated
5335 MARSHAL_ACTION_CONV_IN,
5338 * This operation is called to push the actual value that was optionally
5339 * converted on the first stage
5341 MARSHAL_ACTION_PUSH,
5344 * Convert byref arguments back or free resources allocated during the
5347 MARSHAL_ACTION_CONV_OUT,
5350 * The result from the unmanaged call is at the top of the stack when
5351 * this action is invoked. The result should be stored in the
5352 * third local variable slot.
5354 MARSHAL_ACTION_CONV_RESULT,
5356 MARSHAL_ACTION_MANAGED_CONV_IN,
5357 MARSHAL_ACTION_MANAGED_CONV_OUT,
5358 MARSHAL_ACTION_MANAGED_CONV_RESULT
5362 emit_marshal_custom (EmitMarshalContext *m, int argnum, MonoType *t,
5363 MonoMarshalSpec *spec,
5364 int conv_arg, MonoType **conv_arg_type,
5365 MarshalAction action)
5369 static MonoClass *ICustomMarshaler = NULL;
5370 static MonoMethod *cleanup_native, *cleanup_managed;
5371 static MonoMethod *marshal_managed_to_native, *marshal_native_to_managed;
5372 MonoMethod *get_instance;
5373 MonoMethodBuilder *mb = m->mb;
5374 char *exception_msg = NULL;
5378 if (!ICustomMarshaler) {
5379 ICustomMarshaler = mono_class_from_name (mono_defaults.corlib, "System.Runtime.InteropServices", "ICustomMarshaler");
5380 g_assert (ICustomMarshaler);
5382 cleanup_native = mono_class_get_method_from_name (ICustomMarshaler, "CleanUpNativeData", 1);
5383 g_assert (cleanup_native);
5384 cleanup_managed = mono_class_get_method_from_name (ICustomMarshaler, "CleanUpManagedData", 1);
5385 g_assert (cleanup_managed);
5386 marshal_managed_to_native = mono_class_get_method_from_name (ICustomMarshaler, "MarshalManagedToNative", 1);
5387 g_assert (marshal_managed_to_native);
5388 marshal_native_to_managed = mono_class_get_method_from_name (ICustomMarshaler, "MarshalNativeToManaged", 1);
5389 g_assert (marshal_native_to_managed);
5392 mtype = mono_reflection_type_from_name (spec->data.custom_data.custom_name, m->image);
5393 g_assert (mtype != NULL);
5394 mklass = mono_class_from_mono_type (mtype);
5395 g_assert (mklass != NULL);
5397 if (!mono_class_is_assignable_from (ICustomMarshaler, mklass))
5398 exception_msg = g_strdup_printf ("Custom marshaler '%s' does not implement the ICustomMarshaler interface.", mklass->name);
5400 get_instance = mono_class_get_method_from_name_flags (mklass, "GetInstance", 1, METHOD_ATTRIBUTE_STATIC);
5402 MonoMethodSignature *get_sig = mono_method_signature (get_instance);
5403 if ((get_sig->ret->type != MONO_TYPE_CLASS) ||
5404 (mono_class_from_mono_type (get_sig->ret) != ICustomMarshaler) ||
5405 (get_sig->params [0]->type != MONO_TYPE_STRING))
5406 get_instance = NULL;
5410 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);
5412 /* Throw exception and emit compensation code if neccesary */
5413 if (exception_msg) {
5415 case MARSHAL_ACTION_CONV_IN:
5416 case MARSHAL_ACTION_CONV_RESULT:
5417 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
5418 if ((action == MARSHAL_ACTION_CONV_RESULT) || (action == MARSHAL_ACTION_MANAGED_CONV_RESULT))
5419 mono_mb_emit_byte (mb, CEE_POP);
5421 mono_mb_emit_exception_full (mb, "System", "ApplicationException", exception_msg);
5422 g_free (exception_msg);
5425 case MARSHAL_ACTION_PUSH:
5426 mono_mb_emit_byte (mb, CEE_LDNULL);
5434 /* FIXME: MS.NET seems to create one instance for each klass + cookie pair */
5435 /* FIXME: MS.NET throws an exception if GetInstance returns null */
5438 case MARSHAL_ACTION_CONV_IN:
5440 case MONO_TYPE_CLASS:
5441 case MONO_TYPE_OBJECT:
5442 case MONO_TYPE_STRING:
5443 case MONO_TYPE_ARRAY:
5444 case MONO_TYPE_SZARRAY:
5445 case MONO_TYPE_VALUETYPE:
5449 g_warning ("custom marshalling of type %x is currently not supported", t->type);
5450 g_assert_not_reached ();
5454 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5456 mono_mb_emit_byte (mb, CEE_LDNULL);
5457 mono_mb_emit_stloc (mb, conv_arg);
5459 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT))
5462 /* Minic MS.NET behavior */
5463 if (!t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT) && !(t->attrs & PARAM_ATTRIBUTE_IN))
5466 /* Check for null */
5467 mono_mb_emit_ldarg (mb, argnum);
5469 mono_mb_emit_byte (mb, CEE_LDIND_I);
5470 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5472 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5474 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5476 mono_mb_emit_ldarg (mb, argnum);
5478 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5480 if (t->type == MONO_TYPE_VALUETYPE) {
5482 * Since we can't determine the type of the argument, we
5483 * will assume the unmanaged function takes a pointer.
5485 *conv_arg_type = &mono_defaults.int_class->byval_arg;
5487 mono_mb_emit_op (mb, CEE_BOX, mono_class_from_mono_type (t));
5490 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_managed_to_native);
5491 mono_mb_emit_stloc (mb, conv_arg);
5493 mono_mb_patch_branch (mb, pos2);
5496 case MARSHAL_ACTION_CONV_OUT:
5497 /* Check for null */
5498 mono_mb_emit_ldloc (mb, conv_arg);
5499 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5502 mono_mb_emit_ldarg (mb, argnum);
5504 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5506 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5508 mono_mb_emit_ldloc (mb, conv_arg);
5509 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
5510 mono_mb_emit_byte (mb, CEE_STIND_REF);
5511 } else if (t->attrs &PARAM_ATTRIBUTE_OUT) {
5512 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5514 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5516 mono_mb_emit_ldloc (mb, conv_arg);
5517 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
5519 /* We have nowhere to store the result */
5520 mono_mb_emit_byte (mb, CEE_POP);
5523 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5525 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5527 mono_mb_emit_ldloc (mb, conv_arg);
5529 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_native);
5531 mono_mb_patch_branch (mb, pos2);
5534 case MARSHAL_ACTION_PUSH:
5536 mono_mb_emit_ldloc_addr (mb, conv_arg);
5538 mono_mb_emit_ldloc (mb, conv_arg);
5541 case MARSHAL_ACTION_CONV_RESULT:
5542 loc1 = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5544 mono_mb_emit_stloc (mb, 3);
5546 mono_mb_emit_ldloc (mb, 3);
5547 mono_mb_emit_stloc (mb, loc1);
5549 /* Check for null */
5550 mono_mb_emit_ldloc (mb, 3);
5551 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5553 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5555 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5556 mono_mb_emit_byte (mb, CEE_DUP);
5558 mono_mb_emit_ldloc (mb, 3);
5559 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
5560 mono_mb_emit_stloc (mb, 3);
5562 mono_mb_emit_ldloc (mb, loc1);
5563 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_native);
5565 mono_mb_patch_branch (mb, pos2);
5568 case MARSHAL_ACTION_MANAGED_CONV_IN:
5574 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
5576 mono_mb_emit_byte (mb, CEE_LDNULL);
5577 mono_mb_emit_stloc (mb, conv_arg);
5579 /* Check for null */
5580 mono_mb_emit_ldarg (mb, argnum);
5581 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5583 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5584 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5586 mono_mb_emit_ldarg (mb, argnum);
5588 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
5589 mono_mb_emit_stloc (mb, conv_arg);
5591 mono_mb_patch_branch (mb, pos2);
5594 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
5595 g_assert (!t->byref);
5597 loc1 = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
5599 mono_mb_emit_stloc (mb, 3);
5601 mono_mb_emit_ldloc (mb, 3);
5602 mono_mb_emit_stloc (mb, loc1);
5604 /* Check for null */
5605 mono_mb_emit_ldloc (mb, 3);
5606 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5608 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5609 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5610 mono_mb_emit_byte (mb, CEE_DUP);
5612 mono_mb_emit_ldloc (mb, 3);
5613 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_managed_to_native);
5614 mono_mb_emit_stloc (mb, 3);
5616 mono_mb_emit_ldloc (mb, loc1);
5617 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_managed);
5619 mono_mb_patch_branch (mb, pos2);
5622 case MARSHAL_ACTION_MANAGED_CONV_OUT:
5623 g_assert (!t->byref);
5625 /* Check for null */
5626 mono_mb_emit_ldloc (mb, conv_arg);
5627 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5629 /* Call CleanUpManagedData */
5630 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5632 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5634 mono_mb_emit_ldloc (mb, conv_arg);
5635 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_managed);
5637 mono_mb_patch_branch (mb, pos2);
5641 g_assert_not_reached ();
5648 emit_marshal_asany (EmitMarshalContext *m, int argnum, MonoType *t,
5649 MonoMarshalSpec *spec,
5650 int conv_arg, MonoType **conv_arg_type,
5651 MarshalAction action)
5653 MonoMethodBuilder *mb = m->mb;
5656 case MARSHAL_ACTION_CONV_IN: {
5657 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, NULL);
5659 g_assert (t->type == MONO_TYPE_OBJECT);
5660 g_assert (!t->byref);
5662 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5663 mono_mb_emit_ldarg (mb, argnum);
5664 mono_mb_emit_icon (mb, encoding);
5665 mono_mb_emit_icon (mb, t->attrs);
5666 mono_mb_emit_icall (mb, mono_marshal_asany);
5667 mono_mb_emit_stloc (mb, conv_arg);
5671 case MARSHAL_ACTION_PUSH:
5672 mono_mb_emit_ldloc (mb, conv_arg);
5675 case MARSHAL_ACTION_CONV_OUT: {
5676 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, NULL);
5678 mono_mb_emit_ldarg (mb, argnum);
5679 mono_mb_emit_ldloc (mb, conv_arg);
5680 mono_mb_emit_icon (mb, encoding);
5681 mono_mb_emit_icon (mb, t->attrs);
5682 mono_mb_emit_icall (mb, mono_marshal_free_asany);
5687 g_assert_not_reached ();
5694 emit_marshal_vtype (EmitMarshalContext *m, int argnum, MonoType *t,
5695 MonoMarshalSpec *spec,
5696 int conv_arg, MonoType **conv_arg_type,
5697 MarshalAction action)
5699 MonoMethodBuilder *mb = m->mb;
5703 klass = t->data.klass;
5706 case MARSHAL_ACTION_CONV_IN:
5707 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
5708 klass->blittable || klass->enumtype)
5711 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5713 /* store the address of the source into local variable 0 */
5715 mono_mb_emit_ldarg (mb, argnum);
5717 mono_mb_emit_ldarg_addr (mb, argnum);
5719 mono_mb_emit_stloc (mb, 0);
5721 /* allocate space for the native struct and
5722 * store the address into local variable 1 (dest) */
5723 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
5724 mono_mb_emit_byte (mb, CEE_PREFIX1);
5725 mono_mb_emit_byte (mb, CEE_LOCALLOC);
5726 mono_mb_emit_stloc (mb, conv_arg);
5729 mono_mb_emit_ldloc (mb, 0);
5730 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
5733 if (!(t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && (t->attrs & PARAM_ATTRIBUTE_OUT))) {
5735 mono_mb_emit_ldloc (mb, conv_arg);
5736 mono_mb_emit_stloc (mb, 1);
5738 /* emit valuetype conversion code */
5739 emit_struct_conv (mb, klass, FALSE);
5743 mono_mb_patch_branch (mb, pos);
5746 case MARSHAL_ACTION_PUSH:
5747 if (spec && spec->native == MONO_NATIVE_LPSTRUCT) {
5749 g_assert (!t->byref);
5751 /* Have to change the signature since the vtype is passed byref */
5752 m->csig->params [argnum - m->csig->hasthis] = &mono_defaults.int_class->byval_arg;
5754 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
5755 klass->blittable || klass->enumtype)
5756 mono_mb_emit_ldarg_addr (mb, argnum);
5758 mono_mb_emit_ldloc (mb, conv_arg);
5762 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
5763 klass->blittable || klass->enumtype) {
5764 mono_mb_emit_ldarg (mb, argnum);
5767 mono_mb_emit_ldloc (mb, conv_arg);
5769 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5770 mono_mb_emit_op (mb, CEE_MONO_LDNATIVEOBJ, klass);
5774 case MARSHAL_ACTION_CONV_OUT:
5775 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
5776 klass->blittable || klass->enumtype)
5780 /* dst = argument */
5781 mono_mb_emit_ldarg (mb, argnum);
5782 mono_mb_emit_stloc (mb, 1);
5784 mono_mb_emit_ldloc (mb, 1);
5785 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
5787 if (!((t->attrs & PARAM_ATTRIBUTE_IN) && !(t->attrs & PARAM_ATTRIBUTE_OUT))) {
5788 /* src = tmp_locals [i] */
5789 mono_mb_emit_ldloc (mb, conv_arg);
5790 mono_mb_emit_stloc (mb, 0);
5792 /* emit valuetype conversion code */
5793 emit_struct_conv (mb, klass, TRUE);
5797 emit_struct_free (mb, klass, conv_arg);
5800 mono_mb_patch_branch (mb, pos);
5803 case MARSHAL_ACTION_CONV_RESULT:
5804 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
5806 mono_mb_emit_stloc (mb, 3);
5809 /* load pointer to returned value type */
5810 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5811 mono_mb_emit_byte (mb, CEE_MONO_VTADDR);
5812 /* store the address of the source into local variable 0 */
5813 mono_mb_emit_stloc (mb, 0);
5815 mono_mb_emit_ldloc_addr (mb, 3);
5816 mono_mb_emit_stloc (mb, 1);
5818 /* emit valuetype conversion code */
5819 emit_struct_conv (mb, klass, TRUE);
5822 case MARSHAL_ACTION_MANAGED_CONV_IN:
5823 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
5824 klass->blittable || klass->enumtype) {
5829 conv_arg = mono_mb_add_local (mb, &klass->byval_arg);
5831 if (t->attrs & PARAM_ATTRIBUTE_OUT)
5835 mono_mb_emit_ldarg (mb, argnum);
5837 mono_mb_emit_ldarg_addr (mb, argnum);
5838 mono_mb_emit_stloc (mb, 0);
5841 mono_mb_emit_ldloc (mb, 0);
5842 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
5845 mono_mb_emit_ldloc_addr (mb, conv_arg);
5846 mono_mb_emit_stloc (mb, 1);
5848 /* emit valuetype conversion code */
5849 emit_struct_conv (mb, klass, TRUE);
5852 mono_mb_patch_branch (mb, pos);
5855 case MARSHAL_ACTION_MANAGED_CONV_OUT:
5856 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
5857 klass->blittable || klass->enumtype) {
5861 /* Check for null */
5862 mono_mb_emit_ldarg (mb, argnum);
5863 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5866 mono_mb_emit_ldloc_addr (mb, conv_arg);
5867 mono_mb_emit_stloc (mb, 0);
5870 mono_mb_emit_ldarg (mb, argnum);
5871 mono_mb_emit_stloc (mb, 1);
5873 /* emit valuetype conversion code */
5874 emit_struct_conv (mb, klass, FALSE);
5876 mono_mb_patch_branch (mb, pos2);
5879 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
5880 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
5881 klass->blittable || klass->enumtype) {
5882 mono_mb_emit_stloc (mb, 3);
5887 /* load pointer to returned value type */
5888 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5889 mono_mb_emit_byte (mb, CEE_MONO_VTADDR);
5891 /* store the address of the source into local variable 0 */
5892 mono_mb_emit_stloc (mb, 0);
5893 /* allocate space for the native struct and
5894 * store the address into dst_ptr */
5895 m->retobj_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5896 m->retobj_class = klass;
5897 g_assert (m->retobj_var);
5898 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
5899 mono_mb_emit_byte (mb, CEE_CONV_I);
5900 mono_mb_emit_icall (mb, mono_marshal_alloc);
5901 mono_mb_emit_stloc (mb, 1);
5902 mono_mb_emit_ldloc (mb, 1);
5903 mono_mb_emit_stloc (mb, m->retobj_var);
5905 /* emit valuetype conversion code */
5906 emit_struct_conv (mb, klass, FALSE);
5910 g_assert_not_reached ();
5917 emit_marshal_string (EmitMarshalContext *m, int argnum, MonoType *t,
5918 MonoMarshalSpec *spec,
5919 int conv_arg, MonoType **conv_arg_type,
5920 MarshalAction action)
5922 MonoMethodBuilder *mb = m->mb;
5923 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
5924 MonoMarshalConv conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
5928 case MARSHAL_ACTION_CONV_IN:
5929 *conv_arg_type = &mono_defaults.int_class->byval_arg;
5930 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5933 if (t->attrs & PARAM_ATTRIBUTE_OUT)
5936 mono_mb_emit_ldarg (mb, argnum);
5937 mono_mb_emit_byte (mb, CEE_LDIND_I);
5939 mono_mb_emit_ldarg (mb, argnum);
5943 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
5944 MonoException *exc = mono_get_exception_not_implemented (msg);
5947 mono_raise_exception (exc);
5950 mono_mb_emit_icall (mb, conv_to_icall (conv));
5952 mono_mb_emit_stloc (mb, conv_arg);
5955 case MARSHAL_ACTION_CONV_OUT:
5956 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT)) {
5957 mono_mb_emit_ldarg (mb, argnum);
5958 mono_mb_emit_ldloc (mb, conv_arg);
5959 if (conv == MONO_MARSHAL_CONV_STR_BSTR) {
5960 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_BSTR_STR));
5961 // BSTRs always need freed
5962 mono_mb_emit_ldloc (mb, conv_arg);
5963 mono_mb_emit_icall (mb, mono_free_bstr);
5966 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_LPSTR_STR));
5967 mono_mb_emit_byte (mb, CEE_STIND_REF);
5969 if (mono_marshal_need_free (t, m->piinfo, spec)) {
5970 mono_mb_emit_ldloc (mb, conv_arg);
5971 if (conv == MONO_MARSHAL_CONV_STR_BSTR)
5972 mono_mb_emit_icall (mb, mono_free_bstr);
5974 mono_mb_emit_icall (mb, mono_marshal_free);
5979 case MARSHAL_ACTION_PUSH:
5981 mono_mb_emit_ldloc_addr (mb, conv_arg);
5983 mono_mb_emit_ldloc (mb, conv_arg);
5986 case MARSHAL_ACTION_CONV_RESULT:
5987 mono_mb_emit_stloc (mb, 0);
5989 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
5991 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
5992 mono_mb_emit_exception_marshal_directive (mb, msg);
5996 mono_mb_emit_ldloc (mb, 0);
5997 mono_mb_emit_icall (mb, conv_to_icall (conv));
5998 mono_mb_emit_stloc (mb, 3);
6000 /* free the string */
6001 mono_mb_emit_ldloc (mb, 0);
6002 if (conv == MONO_MARSHAL_CONV_BSTR_STR)
6003 mono_mb_emit_icall (mb, mono_free_bstr);
6005 mono_mb_emit_icall (mb, g_free);
6008 case MARSHAL_ACTION_MANAGED_CONV_IN:
6014 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
6015 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6017 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
6019 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
6020 mono_mb_emit_exception_marshal_directive (mb, msg);
6024 mono_mb_emit_ldarg (mb, argnum);
6025 mono_mb_emit_icall (mb, conv_to_icall (conv));
6026 mono_mb_emit_stloc (mb, conv_arg);
6029 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
6030 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_STR_LPSTR));
6031 mono_mb_emit_stloc (mb, 3);
6035 g_assert_not_reached ();
6042 emit_marshal_safehandle (EmitMarshalContext *m, int argnum, MonoType *t,
6043 MonoMarshalSpec *spec, int conv_arg,
6044 MonoType **conv_arg_type, MarshalAction action)
6046 MonoMethodBuilder *mb = m->mb;
6049 case MARSHAL_ACTION_CONV_IN: {
6050 MonoType *intptr_type;
6051 int dar_release_slot, pos;
6053 intptr_type = &mono_defaults.int_class->byval_arg;
6054 conv_arg = mono_mb_add_local (mb, intptr_type);
6055 *conv_arg_type = intptr_type;
6057 if (!sh_dangerous_add_ref)
6058 init_safe_handle ();
6060 mono_mb_emit_ldarg (mb, argnum);
6061 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
6062 mono_mb_emit_exception (mb, "ArgumentNullException", NULL);
6064 mono_mb_patch_branch (mb, pos);
6067 * My tests in show that ref SafeHandles are not really
6068 * passed as ref objects. Instead a NULL is passed as the
6071 mono_mb_emit_icon (mb, 0);
6072 mono_mb_emit_stloc (mb, conv_arg);
6076 /* Create local to hold the ref parameter to DangerousAddRef */
6077 dar_release_slot = mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
6079 /* set release = false; */
6080 mono_mb_emit_icon (mb, 0);
6081 mono_mb_emit_stloc (mb, dar_release_slot);
6083 /* safehandle.DangerousAddRef (ref release) */
6084 mono_mb_emit_ldarg (mb, argnum);
6085 mono_mb_emit_ldloc_addr (mb, dar_release_slot);
6086 mono_mb_emit_managed_call (mb, sh_dangerous_add_ref, NULL);
6088 /* Pull the handle field from SafeHandle */
6089 mono_mb_emit_ldarg (mb, argnum);
6090 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoSafeHandle, handle));
6091 mono_mb_emit_byte (mb, CEE_LDIND_I);
6092 mono_mb_emit_stloc (mb, conv_arg);
6097 case MARSHAL_ACTION_PUSH:
6099 mono_mb_emit_ldloc_addr (mb, conv_arg);
6101 mono_mb_emit_ldloc (mb, conv_arg);
6104 case MARSHAL_ACTION_CONV_OUT: {
6105 /* The slot for the boolean is the next temporary created after conv_arg, see the CONV_IN code */
6106 int dar_release_slot = conv_arg + 1;
6109 if (!sh_dangerous_release)
6110 init_safe_handle ();
6116 * My tests indicate that ref SafeHandles parameters are not actually
6117 * passed by ref, but instead a new Handle is created regardless of
6118 * whether a change happens in the unmanaged side.
6120 * Also, the Handle is created before calling into unmanaged code,
6121 * but we do not support that mechanism (getting to the original
6122 * handle) and it makes no difference where we create this
6124 ctor = mono_class_get_method_from_name (t->data.klass, ".ctor", 0);
6126 mono_mb_emit_exception (mb, "MissingMethodException", "paramterless constructor required");
6129 /* refval = new SafeHandleDerived ()*/
6130 mono_mb_emit_ldarg (mb, argnum);
6131 mono_mb_emit_op (mb, CEE_NEWOBJ, ctor);
6132 mono_mb_emit_byte (mb, CEE_STIND_REF);
6134 /* refval.handle = returned_handle */
6135 mono_mb_emit_ldarg (mb, argnum);
6136 mono_mb_emit_byte (mb, CEE_LDIND_REF);
6137 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoSafeHandle, handle));
6138 mono_mb_emit_ldloc (mb, conv_arg);
6139 mono_mb_emit_byte (mb, CEE_STIND_I);
6141 mono_mb_emit_ldloc (mb, dar_release_slot);
6142 label_next = mono_mb_emit_branch (mb, CEE_BRFALSE);
6143 mono_mb_emit_ldarg (mb, argnum);
6144 mono_mb_emit_managed_call (mb, sh_dangerous_release, NULL);
6145 mono_mb_patch_addr (mb, label_next, mb->pos - (label_next + 4));
6150 case MARSHAL_ACTION_CONV_RESULT: {
6151 MonoMethod *ctor = NULL;
6152 int intptr_handle_slot;
6154 if (t->data.klass->flags & TYPE_ATTRIBUTE_ABSTRACT){
6155 mono_mb_emit_byte (mb, CEE_POP);
6156 mono_mb_emit_exception_marshal_directive (mb, "Returned SafeHandles should not be abstract");
6160 ctor = mono_class_get_method_from_name (t->data.klass, ".ctor", 0);
6162 mono_mb_emit_byte (mb, CEE_POP);
6163 mono_mb_emit_exception (mb, "MissingMethodException", "paramterless constructor required");
6166 /* Store the IntPtr results into a local */
6167 intptr_handle_slot = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6168 mono_mb_emit_stloc (mb, intptr_handle_slot);
6170 /* Create return value */
6171 mono_mb_emit_op (mb, CEE_NEWOBJ, ctor);
6172 mono_mb_emit_stloc (mb, 3);
6174 /* Set the return.handle to the value, am using ldflda, not sure if thats a good idea */
6175 mono_mb_emit_ldloc (mb, 3);
6176 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoSafeHandle, handle));
6177 mono_mb_emit_ldloc (mb, intptr_handle_slot);
6178 mono_mb_emit_byte (mb, CEE_STIND_I);
6182 case MARSHAL_ACTION_MANAGED_CONV_IN:
6183 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_IN\n");
6186 case MARSHAL_ACTION_MANAGED_CONV_OUT:
6187 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_OUT\n");
6190 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
6191 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_RESULT\n");
6194 printf ("Unhandled case for MarshalAction: %d\n", action);
6201 emit_marshal_object (EmitMarshalContext *m, int argnum, MonoType *t,
6202 MonoMarshalSpec *spec,
6203 int conv_arg, MonoType **conv_arg_type,
6204 MarshalAction action)
6206 MonoMethodBuilder *mb = m->mb;
6207 MonoClass *klass = t->data.klass;
6210 if (mono_class_from_mono_type (t) == mono_defaults.object_class) {
6211 mono_raise_exception (mono_get_exception_not_implemented ("Marshalling of type object is not implemented"));
6215 case MARSHAL_ACTION_CONV_IN:
6216 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6217 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6219 m->orig_conv_args [argnum] = 0;
6221 if (klass->delegate) {
6222 g_assert (!t->byref);
6223 mono_mb_emit_ldarg (mb, argnum);
6224 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_DEL_FTN));
6225 mono_mb_emit_stloc (mb, conv_arg);
6226 } else if (klass == mono_defaults.stringbuilder_class) {
6227 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
6228 MonoMarshalConv conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
6230 g_assert (!t->byref);
6231 mono_mb_emit_ldarg (mb, argnum);
6234 mono_mb_emit_icall (mb, conv_to_icall (conv));
6236 char *msg = g_strdup_printf ("stringbuilder marshalling conversion %d not implemented", encoding);
6237 MonoException *exc = mono_get_exception_not_implemented (msg);
6240 mono_raise_exception (exc);
6243 mono_mb_emit_stloc (mb, conv_arg);
6244 } else if (klass->blittable) {
6245 mono_mb_emit_byte (mb, CEE_LDNULL);
6246 mono_mb_emit_stloc (mb, conv_arg);
6248 mono_mb_emit_ldarg (mb, argnum);
6249 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6251 mono_mb_emit_ldarg (mb, argnum);
6252 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6253 mono_mb_emit_stloc (mb, conv_arg);
6255 mono_mb_patch_branch (mb, pos);
6258 mono_mb_emit_byte (mb, CEE_LDNULL);
6259 mono_mb_emit_stloc (mb, conv_arg);
6262 /* we dont need any conversions for out parameters */
6263 if (t->attrs & PARAM_ATTRIBUTE_OUT)
6266 mono_mb_emit_ldarg (mb, argnum);
6267 mono_mb_emit_byte (mb, CEE_LDIND_I);
6270 mono_mb_emit_ldarg (mb, argnum);
6271 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6272 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
6275 /* store the address of the source into local variable 0 */
6276 mono_mb_emit_stloc (mb, 0);
6277 mono_mb_emit_ldloc (mb, 0);
6278 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6280 /* allocate space for the native struct and store the address */
6281 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
6282 mono_mb_emit_byte (mb, CEE_PREFIX1);
6283 mono_mb_emit_byte (mb, CEE_LOCALLOC);
6284 mono_mb_emit_stloc (mb, conv_arg);
6287 /* Need to store the original buffer so we can free it later */
6288 m->orig_conv_args [argnum] = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6289 mono_mb_emit_ldloc (mb, conv_arg);
6290 mono_mb_emit_stloc (mb, m->orig_conv_args [argnum]);
6293 /* set the src_ptr */
6294 mono_mb_emit_ldloc (mb, 0);
6295 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6296 mono_mb_emit_stloc (mb, 0);
6299 mono_mb_emit_ldloc (mb, conv_arg);
6300 mono_mb_emit_stloc (mb, 1);
6302 /* emit valuetype conversion code */
6303 emit_struct_conv (mb, klass, FALSE);
6305 mono_mb_patch_branch (mb, pos);
6309 case MARSHAL_ACTION_CONV_OUT:
6310 if (klass == mono_defaults.stringbuilder_class) {
6312 MonoMarshalNative encoding;
6313 MonoMarshalConv conv;
6315 encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
6316 conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free);
6318 g_assert (!t->byref);
6319 g_assert (encoding != -1);
6321 mono_mb_emit_ldarg (mb, argnum);
6322 mono_mb_emit_ldloc (mb, conv_arg);
6324 mono_mb_emit_icall (mb, conv_to_icall (conv));
6327 mono_mb_emit_ldloc (mb, conv_arg);
6328 mono_mb_emit_icall (mb, mono_marshal_free);
6333 if (klass->delegate)
6336 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT)) {
6337 /* allocate a new object */
6338 mono_mb_emit_ldarg (mb, argnum);
6339 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6340 mono_mb_emit_op (mb, CEE_MONO_NEWOBJ, t->data.klass);
6341 mono_mb_emit_byte (mb, CEE_STIND_REF);
6344 /* dst = *argument */
6345 mono_mb_emit_ldarg (mb, argnum);
6348 mono_mb_emit_byte (mb, CEE_LDIND_I);
6350 mono_mb_emit_stloc (mb, 1);
6352 mono_mb_emit_ldloc (mb, 1);
6353 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6355 if (t->byref || (t->attrs & PARAM_ATTRIBUTE_OUT)) {
6356 mono_mb_emit_ldloc (mb, 1);
6357 mono_mb_emit_icon (mb, sizeof (MonoObject));
6358 mono_mb_emit_byte (mb, CEE_ADD);
6359 mono_mb_emit_stloc (mb, 1);
6361 /* src = tmp_locals [i] */
6362 mono_mb_emit_ldloc (mb, conv_arg);
6363 mono_mb_emit_stloc (mb, 0);
6365 /* emit valuetype conversion code */
6366 emit_struct_conv (mb, t->data.klass, TRUE);
6368 /* Free the structure returned by the native code */
6369 emit_struct_free (mb, klass, conv_arg);
6371 if (m->orig_conv_args [argnum]) {
6373 * If the native function changed the pointer, then free
6374 * the original structure plus the new pointer.
6376 mono_mb_emit_ldloc (mb, m->orig_conv_args [argnum]);
6377 mono_mb_emit_ldloc (mb, conv_arg);
6378 pos2 = mono_mb_emit_branch (mb, CEE_BEQ);
6380 if (!(t->attrs & PARAM_ATTRIBUTE_OUT)) {
6381 g_assert (m->orig_conv_args [argnum]);
6383 emit_struct_free (mb, klass, m->orig_conv_args [argnum]);
6386 mono_mb_emit_ldloc (mb, conv_arg);
6387 mono_mb_emit_icall (mb, g_free);
6389 mono_mb_patch_branch (mb, pos2);
6393 /* Free the original structure passed to native code */
6394 emit_struct_free (mb, klass, conv_arg);
6396 mono_mb_patch_branch (mb, pos);
6399 case MARSHAL_ACTION_PUSH:
6401 mono_mb_emit_ldloc_addr (mb, conv_arg);
6403 mono_mb_emit_ldloc (mb, conv_arg);
6406 case MARSHAL_ACTION_CONV_RESULT:
6407 if (klass->delegate) {
6408 g_assert (!t->byref);
6409 mono_mb_emit_stloc (mb, 0);
6410 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6411 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
6412 mono_mb_emit_ldloc (mb, 0);
6413 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_FTN_DEL));
6414 mono_mb_emit_stloc (mb, 3);
6417 mono_mb_emit_stloc (mb, 0);
6419 /* Make a copy since emit_conv modifies local 0 */
6420 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6421 mono_mb_emit_ldloc (mb, 0);
6422 mono_mb_emit_stloc (mb, loc);
6424 mono_mb_emit_byte (mb, CEE_LDNULL);
6425 mono_mb_emit_stloc (mb, 3);
6427 mono_mb_emit_ldloc (mb, 0);
6428 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6430 /* allocate result object */
6432 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6433 mono_mb_emit_op (mb, CEE_MONO_NEWOBJ, klass);
6434 mono_mb_emit_stloc (mb, 3);
6438 mono_mb_emit_ldloc (mb, 3);
6439 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6440 mono_mb_emit_stloc (mb, 1);
6442 /* emit conversion code */
6443 emit_struct_conv (mb, klass, TRUE);
6445 emit_struct_free (mb, klass, loc);
6447 /* Free the pointer allocated by unmanaged code */
6448 mono_mb_emit_ldloc (mb, loc);
6449 mono_mb_emit_icall (mb, g_free);
6450 mono_mb_patch_branch (mb, pos);
6454 case MARSHAL_ACTION_MANAGED_CONV_IN:
6455 conv_arg = mono_mb_add_local (mb, &klass->byval_arg);
6457 if (klass->delegate) {
6458 g_assert (!t->byref);
6459 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6460 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
6461 mono_mb_emit_ldarg (mb, argnum);
6462 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_FTN_DEL));
6463 mono_mb_emit_stloc (mb, conv_arg);
6467 /* The class can not have an automatic layout */
6468 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
6469 mono_mb_emit_auto_layout_exception (mb, klass);
6473 if (t->attrs & PARAM_ATTRIBUTE_OUT) {
6474 mono_mb_emit_byte (mb, CEE_LDNULL);
6475 mono_mb_emit_stloc (mb, conv_arg);
6480 mono_mb_emit_ldarg (mb, argnum);
6484 /* Check for NULL and raise an exception */
6485 pos2 = mono_mb_emit_branch (mb, CEE_BRTRUE);
6487 mono_mb_emit_exception (mb, "ArgumentNullException", NULL);
6489 mono_mb_patch_branch (mb, pos2);
6490 mono_mb_emit_ldarg (mb, argnum);
6491 mono_mb_emit_byte (mb, CEE_LDIND_I);
6494 mono_mb_emit_stloc (mb, 0);
6496 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
6497 mono_mb_emit_stloc (mb, conv_arg);
6499 mono_mb_emit_ldloc (mb, 0);
6500 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6502 /* Create and set dst */
6503 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6504 mono_mb_emit_op (mb, CEE_MONO_NEWOBJ, klass);
6505 mono_mb_emit_stloc (mb, conv_arg);
6506 mono_mb_emit_ldloc (mb, conv_arg);
6507 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6508 mono_mb_emit_stloc (mb, 1);
6510 /* emit valuetype conversion code */
6511 emit_struct_conv (mb, klass, TRUE);
6513 mono_mb_patch_branch (mb, pos);
6516 case MARSHAL_ACTION_MANAGED_CONV_OUT:
6518 /* Check for null */
6519 mono_mb_emit_ldloc (mb, conv_arg);
6520 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
6521 mono_mb_emit_ldarg (mb, argnum);
6522 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
6523 mono_mb_emit_byte (mb, CEE_STIND_REF);
6524 pos2 = mono_mb_emit_branch (mb, CEE_BR);
6526 mono_mb_patch_branch (mb, pos);
6529 mono_mb_emit_ldloc (mb, conv_arg);
6530 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6531 mono_mb_emit_stloc (mb, 0);
6533 /* Allocate and set dest */
6534 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
6535 mono_mb_emit_byte (mb, CEE_CONV_I);
6536 mono_mb_emit_icall (mb, mono_marshal_alloc);
6537 mono_mb_emit_stloc (mb, 1);
6539 /* Update argument pointer */
6540 mono_mb_emit_ldarg (mb, argnum);
6541 mono_mb_emit_ldloc (mb, 1);
6542 mono_mb_emit_byte (mb, CEE_STIND_I);
6544 /* emit valuetype conversion code */
6545 emit_struct_conv (mb, klass, FALSE);
6547 mono_mb_patch_branch (mb, pos2);
6549 /* byval [Out] marshalling */
6551 /* FIXME: Handle null */
6554 mono_mb_emit_ldloc (mb, conv_arg);
6555 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6556 mono_mb_emit_stloc (mb, 0);
6559 mono_mb_emit_ldarg (mb, argnum);
6560 mono_mb_emit_stloc (mb, 1);
6562 /* emit valuetype conversion code */
6563 emit_struct_conv (mb, klass, FALSE);
6567 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
6568 if (klass->delegate) {
6569 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_DEL_FTN));
6570 mono_mb_emit_stloc (mb, 3);
6574 /* The class can not have an automatic layout */
6575 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
6576 mono_mb_emit_auto_layout_exception (mb, klass);
6580 mono_mb_emit_stloc (mb, 0);
6581 /* Check for null */
6582 mono_mb_emit_ldloc (mb, 0);
6583 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
6584 mono_mb_emit_byte (mb, CEE_LDNULL);
6585 mono_mb_emit_stloc (mb, 3);
6586 pos2 = mono_mb_emit_branch (mb, CEE_BR);
6588 mono_mb_patch_branch (mb, pos);
6591 mono_mb_emit_ldloc (mb, 0);
6592 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6593 mono_mb_emit_stloc (mb, 0);
6595 /* Allocate and set dest */
6596 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
6597 mono_mb_emit_byte (mb, CEE_CONV_I);
6598 mono_mb_emit_icall (mb, mono_marshal_alloc);
6599 mono_mb_emit_byte (mb, CEE_DUP);
6600 mono_mb_emit_stloc (mb, 1);
6601 mono_mb_emit_stloc (mb, 3);
6603 emit_struct_conv (mb, klass, FALSE);
6605 mono_mb_patch_branch (mb, pos2);
6609 g_assert_not_reached ();
6616 emit_marshal_com_interface (EmitMarshalContext *m, int argnum, MonoType *t,
6617 MonoMarshalSpec *spec,
6618 int conv_arg, MonoType **conv_arg_type,
6619 MarshalAction action)
6621 MonoMethodBuilder *mb = m->mb;
6622 MonoClass *klass = t->data.klass;
6625 case MARSHAL_ACTION_CONV_IN: {
6626 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6627 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6629 m->orig_conv_args [argnum] = 0;
6631 mono_mb_emit_ptr (mb, 0);
6632 mono_mb_emit_stloc (mb, conv_arg);
6635 /* we dont need any conversions for out parameters */
6636 if (t->attrs & PARAM_ATTRIBUTE_OUT)
6639 char *msg = g_strdup_printf ("non out object references are no implemented");
6640 MonoException *exc = mono_get_exception_not_implemented (msg);
6643 mono_raise_exception (exc);
6648 guint32 pos_failed = 0, pos_rcw = 0;
6649 mono_mb_emit_ldarg (mb, argnum);
6650 // if null just break, conv arg was already inited to 0
6651 pos_failed = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
6653 mono_mb_emit_ldarg (mb, argnum);
6654 mono_mb_emit_icall (mb, cominterop_object_is_rcw);
6655 pos_rcw = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
6657 mono_mb_emit_ldarg (mb, argnum);
6658 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
6659 mono_mb_emit_byte (mb, CEE_LDIND_REF);
6661 /* load the RCW from the ComInteropProxy*/
6662 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoComInteropProxy, com_object));
6663 mono_mb_emit_byte (mb, CEE_LDIND_REF);
6665 if (klass && klass != mono_defaults.object_class) {
6666 static MonoMethod* GetInterface = NULL;
6669 GetInterface = mono_class_get_method_from_name (mono_defaults.com_object_class, "GetInterface", 1);
6670 mono_mb_emit_ptr (mb, t);
6671 mono_mb_emit_icall (mb, type_from_handle);
6672 mono_mb_emit_managed_call (mb, GetInterface, NULL);
6674 else if (spec->native == MONO_NATIVE_IUNKNOWN) {
6675 static MonoProperty* iunknown = NULL;
6678 iunknown = mono_class_get_property_from_name (mono_defaults.com_object_class, "IUnknown");
6679 mono_mb_emit_managed_call (mb, iunknown->get, NULL);
6681 else if (spec->native == MONO_NATIVE_IDISPATCH) {
6682 static MonoProperty* idispatch = NULL;
6685 idispatch = mono_class_get_property_from_name (mono_defaults.com_object_class, "IDispatch");
6686 mono_mb_emit_managed_call (mb, idispatch->get, NULL);
6690 mono_mb_emit_stloc (mb, conv_arg);
6693 mono_mb_patch_short_branch (mb, pos_rcw);
6694 msg = g_strdup ("Marshalling of COM Callable Wrappers is not yet implemented.");
6695 mono_mb_emit_exception_marshal_directive (mb, msg);
6698 mono_mb_patch_short_branch (mb, pos_failed);
6703 case MARSHAL_ACTION_CONV_OUT: {
6704 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT)) {
6705 static MonoClass* com_interop_proxy_class = NULL;
6706 static MonoMethod* com_interop_proxy_get_proxy = NULL;
6707 static MonoMethod* get_transparent_proxy = NULL;
6709 guint32 pos_failed = 0;
6711 mono_mb_emit_ldarg (mb, argnum);
6712 mono_mb_emit_byte (mb, CEE_LDNULL);
6713 mono_mb_emit_byte (mb, CEE_STIND_REF);
6715 mono_mb_emit_ldloc (mb, conv_arg);
6716 pos_failed = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
6718 if (!com_interop_proxy_class)
6719 com_interop_proxy_class = mono_class_from_name (mono_defaults.corlib, "Mono.Interop", "ComInteropProxy");
6720 if (!com_interop_proxy_get_proxy)
6721 com_interop_proxy_get_proxy = mono_class_get_method_from_name_flags (com_interop_proxy_class, "GetProxy", 2, METHOD_ATTRIBUTE_PRIVATE);
6722 if (!get_transparent_proxy)
6723 get_transparent_proxy = mono_class_get_method_from_name (mono_defaults.real_proxy_class, "GetTransparentProxy", 0);
6725 real_proxy = mono_mb_add_local (mb, &com_interop_proxy_class->byval_arg);
6727 mono_mb_emit_ldloc (mb, conv_arg);
6728 mono_mb_emit_ptr (mb, &mono_defaults.com_object_class->byval_arg);
6729 mono_mb_emit_icall (mb, type_from_handle);
6730 mono_mb_emit_managed_call (mb, com_interop_proxy_get_proxy, NULL);
6731 mono_mb_emit_stloc (mb, real_proxy);
6734 mono_mb_emit_ldarg (mb, argnum);
6735 mono_mb_emit_ldloc (mb, real_proxy);
6736 mono_mb_emit_managed_call (mb, get_transparent_proxy, NULL);
6737 if (klass && klass != mono_defaults.object_class)
6738 mono_mb_emit_op (mb, CEE_CASTCLASS, klass);
6739 mono_mb_emit_byte (mb, CEE_STIND_REF);
6742 mono_mb_patch_short_branch (mb, pos_failed);
6747 case MARSHAL_ACTION_PUSH:
6749 mono_mb_emit_ldloc_addr (mb, conv_arg);
6751 mono_mb_emit_ldloc (mb, conv_arg);
6754 case MARSHAL_ACTION_CONV_RESULT: {
6755 char *msg = g_strdup ("Marshalling of COM Objects is not yet implemented.");
6756 mono_mb_emit_exception_marshal_directive (mb, msg);
6760 case MARSHAL_ACTION_MANAGED_CONV_IN: {
6761 char *msg = g_strdup ("Marshalling of COM Objects is not yet implemented.");
6762 mono_mb_emit_exception_marshal_directive (mb, msg);
6766 case MARSHAL_ACTION_MANAGED_CONV_OUT: {
6767 char *msg = g_strdup ("Marshalling of COM Objects is not yet implemented.");
6768 mono_mb_emit_exception_marshal_directive (mb, msg);
6772 case MARSHAL_ACTION_MANAGED_CONV_RESULT: {
6773 char *msg = g_strdup ("Marshalling of COM Objects is not yet implemented.");
6774 mono_mb_emit_exception_marshal_directive (mb, msg);
6779 g_assert_not_reached ();
6786 emit_marshal_variant (EmitMarshalContext *m, int argnum, MonoType *t,
6787 MonoMarshalSpec *spec,
6788 int conv_arg, MonoType **conv_arg_type,
6789 MarshalAction action)
6791 MonoMethodBuilder *mb = m->mb;
6792 static MonoMethod *get_object_for_native_variant = NULL;
6793 static MonoMethod *get_native_variant_for_object = NULL;
6795 if (!get_object_for_native_variant)
6796 get_object_for_native_variant = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetObjectForNativeVariant", 1);
6797 g_assert (get_object_for_native_variant);
6799 if (!get_native_variant_for_object)
6800 get_native_variant_for_object = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetNativeVariantForObject", 2);
6801 g_assert (get_native_variant_for_object);
6804 case MARSHAL_ACTION_CONV_IN: {
6805 conv_arg = mono_mb_add_local (mb, &mono_defaults.variant_class->byval_arg);
6808 *conv_arg_type = &mono_defaults.variant_class->this_arg;
6810 *conv_arg_type = &mono_defaults.variant_class->byval_arg;
6812 if (t->byref && t->attrs & PARAM_ATTRIBUTE_OUT)
6815 mono_mb_emit_ldarg (mb, argnum);
6817 mono_mb_emit_byte(mb, CEE_LDIND_REF);
6818 mono_mb_emit_ldloc_addr (mb, conv_arg);
6819 mono_mb_emit_managed_call (mb, get_native_variant_for_object, NULL);
6823 case MARSHAL_ACTION_CONV_OUT: {
6824 static MonoMethod *variant_clear = NULL;
6827 variant_clear = mono_class_get_method_from_name (mono_defaults.variant_class, "Clear", 0);
6828 g_assert (variant_clear);
6832 mono_mb_emit_ldarg (mb, argnum);
6833 mono_mb_emit_ldloc_addr (mb, conv_arg);
6834 mono_mb_emit_managed_call (mb, get_object_for_native_variant, NULL);
6835 mono_mb_emit_byte (mb, CEE_STIND_REF);
6838 mono_mb_emit_ldloc_addr (mb, conv_arg);
6839 mono_mb_emit_managed_call (mb, variant_clear, NULL);
6843 case MARSHAL_ACTION_PUSH:
6845 mono_mb_emit_ldloc_addr (mb, conv_arg);
6847 mono_mb_emit_ldloc (mb, conv_arg);
6850 case MARSHAL_ACTION_CONV_RESULT: {
6851 char *msg = g_strdup ("Marshalling of VARIANT not supported as a return type.");
6852 mono_mb_emit_exception_marshal_directive (mb, msg);
6856 case MARSHAL_ACTION_MANAGED_CONV_IN: {
6857 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
6860 *conv_arg_type = &mono_defaults.variant_class->this_arg;
6862 *conv_arg_type = &mono_defaults.variant_class->byval_arg;
6864 if (t->byref && t->attrs & PARAM_ATTRIBUTE_OUT)
6868 mono_mb_emit_ldarg (mb, argnum);
6870 mono_mb_emit_ldarg_addr (mb, argnum);
6871 mono_mb_emit_managed_call (mb, get_object_for_native_variant, NULL);
6872 mono_mb_emit_stloc (mb, conv_arg);
6876 case MARSHAL_ACTION_MANAGED_CONV_OUT: {
6878 mono_mb_emit_ldloc (mb, conv_arg);
6879 mono_mb_emit_ldarg (mb, argnum);
6880 mono_mb_emit_managed_call (mb, get_native_variant_for_object, NULL);
6885 case MARSHAL_ACTION_MANAGED_CONV_RESULT: {
6886 char *msg = g_strdup ("Marshalling of VARIANT not supported as a return type.");
6887 mono_mb_emit_exception_marshal_directive (mb, msg);
6892 g_assert_not_reached ();
6899 emit_marshal_array (EmitMarshalContext *m, int argnum, MonoType *t,
6900 MonoMarshalSpec *spec,
6901 int conv_arg, MonoType **conv_arg_type,
6902 MarshalAction action)
6904 MonoMethodBuilder *mb = m->mb;
6905 MonoClass *klass = mono_class_from_mono_type (t);
6906 gboolean need_convert, need_free;
6907 MonoMarshalNative encoding;
6909 encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
6912 case MARSHAL_ACTION_CONV_IN:
6913 *conv_arg_type = &mono_defaults.object_class->byval_arg;
6914 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
6916 if (klass->element_class->blittable) {
6917 mono_mb_emit_ldarg (mb, argnum);
6919 mono_mb_emit_byte (mb, CEE_LDIND_I);
6920 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_ARRAY_LPARRAY));
6921 mono_mb_emit_stloc (mb, conv_arg);
6924 guint32 label1, label2, label3;
6925 int index_var, src_var, dest_ptr, esize;
6926 MonoMarshalConv conv;
6927 gboolean is_string = FALSE;
6929 dest_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6931 eklass = klass->element_class;
6933 if (eklass == mono_defaults.string_class) {
6935 conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
6937 else if (eklass == mono_defaults.stringbuilder_class) {
6939 conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
6944 src_var = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
6945 mono_mb_emit_ldarg (mb, argnum);
6947 mono_mb_emit_byte (mb, CEE_LDIND_I);
6948 mono_mb_emit_stloc (mb, src_var);
6951 mono_mb_emit_ldloc (mb, src_var);
6952 mono_mb_emit_stloc (mb, conv_arg);
6953 mono_mb_emit_ldloc (mb, src_var);
6954 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6958 char *msg = g_strdup_printf ("string/stringbuilder marshalling conversion %d not implemented", encoding);
6959 MonoException *exc = mono_get_exception_not_implemented (msg);
6962 mono_raise_exception (exc);
6967 esize = sizeof (gpointer);
6969 esize = mono_class_native_size (eklass, NULL);
6971 /* allocate space for the native struct and store the address */
6972 mono_mb_emit_icon (mb, esize);
6973 mono_mb_emit_ldloc (mb, src_var);
6974 mono_mb_emit_byte (mb, CEE_LDLEN);
6976 if (eklass == mono_defaults.string_class) {
6977 /* Make the array bigger for the terminating null */
6978 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
6979 mono_mb_emit_byte (mb, CEE_ADD);
6981 mono_mb_emit_byte (mb, CEE_MUL);
6982 mono_mb_emit_byte (mb, CEE_PREFIX1);
6983 mono_mb_emit_byte (mb, CEE_LOCALLOC);
6984 mono_mb_emit_stloc (mb, conv_arg);
6986 mono_mb_emit_ldloc (mb, conv_arg);
6987 mono_mb_emit_stloc (mb, dest_ptr);
6989 /* Emit marshalling loop */
6990 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6991 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
6992 mono_mb_emit_stloc (mb, index_var);
6994 mono_mb_emit_ldloc (mb, index_var);
6995 mono_mb_emit_ldloc (mb, src_var);
6996 mono_mb_emit_byte (mb, CEE_LDLEN);
6997 label3 = mono_mb_emit_branch (mb, CEE_BGE);
6999 /* Emit marshalling code */
7002 mono_mb_emit_ldloc (mb, dest_ptr);
7003 mono_mb_emit_ldloc (mb, src_var);
7004 mono_mb_emit_ldloc (mb, index_var);
7005 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
7006 mono_mb_emit_icall (mb, conv_to_icall (conv));
7007 mono_mb_emit_byte (mb, CEE_STIND_I);
7009 /* set the src_ptr */
7010 mono_mb_emit_ldloc (mb, src_var);
7011 mono_mb_emit_ldloc (mb, index_var);
7012 mono_mb_emit_op (mb, CEE_LDELEMA, eklass);
7013 mono_mb_emit_stloc (mb, 0);
7016 mono_mb_emit_ldloc (mb, dest_ptr);
7017 mono_mb_emit_stloc (mb, 1);
7019 /* emit valuetype conversion code */
7020 emit_struct_conv (mb, eklass, FALSE);
7023 mono_mb_emit_add_to_local (mb, index_var, 1);
7024 mono_mb_emit_add_to_local (mb, dest_ptr, esize);
7026 mono_mb_emit_byte (mb, CEE_BR);
7027 mono_mb_emit_i4 (mb, label2 - (mb->pos + 4));
7029 mono_mb_patch_branch (mb, label3);
7031 if (eklass == mono_defaults.string_class) {
7032 /* Null terminate */
7033 mono_mb_emit_ldloc (mb, dest_ptr);
7034 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7035 mono_mb_emit_byte (mb, CEE_STIND_REF);
7038 mono_mb_patch_branch (mb, label1);
7043 case MARSHAL_ACTION_CONV_OUT:
7044 /* Unicode character arrays are implicitly marshalled as [Out] under MS.NET */
7045 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);
7046 need_free = mono_marshal_need_free (&klass->element_class->byval_arg,
7049 if (need_convert || need_free) {
7050 /* FIXME: Optimize blittable case */
7052 guint32 label1, label2, label3;
7053 int index_var, src_ptr, loc, esize;
7055 eklass = klass->element_class;
7056 if ((eklass == mono_defaults.stringbuilder_class) || (eklass == mono_defaults.string_class))
7057 esize = sizeof (gpointer);
7059 esize = mono_class_native_size (eklass, NULL);
7060 src_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7061 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7064 mono_mb_emit_ldarg (mb, argnum);
7066 mono_mb_emit_byte (mb, CEE_LDIND_I);
7067 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
7069 mono_mb_emit_ldloc (mb, conv_arg);
7070 mono_mb_emit_stloc (mb, src_ptr);
7072 /* Emit marshalling loop */
7073 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7074 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7075 mono_mb_emit_stloc (mb, index_var);
7077 mono_mb_emit_ldloc (mb, index_var);
7078 mono_mb_emit_ldarg (mb, argnum);
7080 mono_mb_emit_byte (mb, CEE_LDIND_REF);
7081 mono_mb_emit_byte (mb, CEE_LDLEN);
7082 label3 = mono_mb_emit_branch (mb, CEE_BGE);
7084 /* Emit marshalling code */
7086 if (eklass == mono_defaults.stringbuilder_class) {
7087 gboolean need_free2;
7088 MonoMarshalConv conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free2);
7090 g_assert (conv != -1);
7093 mono_mb_emit_ldarg (mb, argnum);
7095 mono_mb_emit_byte (mb, CEE_LDIND_I);
7096 mono_mb_emit_ldloc (mb, index_var);
7097 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
7100 mono_mb_emit_ldloc (mb, src_ptr);
7101 mono_mb_emit_byte (mb, CEE_LDIND_I);
7103 mono_mb_emit_icall (mb, conv_to_icall (conv));
7107 mono_mb_emit_ldloc (mb, src_ptr);
7108 mono_mb_emit_byte (mb, CEE_LDIND_I);
7110 mono_mb_emit_icall (mb, mono_marshal_free);
7113 else if (eklass == mono_defaults.string_class) {
7116 mono_mb_emit_ldloc (mb, src_ptr);
7117 mono_mb_emit_byte (mb, CEE_LDIND_I);
7119 mono_mb_emit_icall (mb, mono_marshal_free);
7124 /* set the src_ptr */
7125 mono_mb_emit_ldloc (mb, src_ptr);
7126 mono_mb_emit_stloc (mb, 0);
7129 mono_mb_emit_ldarg (mb, argnum);
7131 mono_mb_emit_byte (mb, CEE_LDIND_I);
7132 mono_mb_emit_ldloc (mb, index_var);
7133 mono_mb_emit_op (mb, CEE_LDELEMA, eklass);
7134 mono_mb_emit_stloc (mb, 1);
7136 /* emit valuetype conversion code */
7137 emit_struct_conv (mb, eklass, TRUE);
7141 mono_mb_emit_ldloc (mb, src_ptr);
7142 mono_mb_emit_stloc (mb, loc);
7143 mono_mb_emit_ldloc (mb, loc);
7145 emit_struct_free (mb, eklass, loc);
7149 mono_mb_emit_add_to_local (mb, index_var, 1);
7150 mono_mb_emit_add_to_local (mb, src_ptr, esize);
7152 mono_mb_emit_byte (mb, CEE_BR);
7153 mono_mb_emit_i4 (mb, label2 - (mb->pos + 4));
7155 mono_mb_patch_branch (mb, label1);
7156 mono_mb_patch_branch (mb, label3);
7160 case MARSHAL_ACTION_PUSH:
7162 mono_mb_emit_ldloc_addr (mb, conv_arg);
7164 mono_mb_emit_ldloc (mb, conv_arg);
7167 case MARSHAL_ACTION_CONV_RESULT:
7168 /* fixme: we need conversions here */
7169 mono_mb_emit_stloc (mb, 3);
7172 case MARSHAL_ACTION_MANAGED_CONV_IN: {
7174 guint32 label1, label2, label3;
7175 int index_var, src_ptr, loc, esize, param_num, num_elem;
7176 MonoMarshalConv conv;
7177 gboolean is_string = FALSE;
7179 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
7180 *conv_arg_type = &mono_defaults.int_class->byval_arg;
7183 char *msg = g_strdup ("Byref array marshalling to managed code is not implemented.");
7184 mono_mb_emit_exception_marshal_directive (mb, msg);
7188 char *msg = g_strdup ("[MarshalAs] attribute required to marshal arrays to managed code.");
7189 mono_mb_emit_exception_marshal_directive (mb, msg);
7192 if (spec->native != MONO_NATIVE_LPARRAY) {
7193 char *msg = g_strdup ("Non LPArray marshalling of arrays to managed code is not implemented.");
7194 mono_mb_emit_exception_marshal_directive (mb, msg);
7198 /* FIXME: t is from the method which is wrapped, not the delegate type */
7199 /* g_assert (t->attrs & PARAM_ATTRIBUTE_IN); */
7201 param_num = spec->data.array_data.param_num;
7202 num_elem = spec->data.array_data.num_elem;
7203 if (spec->data.array_data.elem_mult == 0)
7204 /* param_num is not specified */
7207 if (param_num == -1) {
7208 if (num_elem <= 0) {
7209 char *msg = g_strdup ("Either SizeConst or SizeParamIndex should be specified when marshalling arrays to managed code.");
7210 mono_mb_emit_exception_marshal_directive (mb, msg);
7215 /* FIXME: Optimize blittable case */
7217 eklass = klass->element_class;
7218 if (eklass == mono_defaults.string_class) {
7220 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
7222 else if (eklass == mono_defaults.stringbuilder_class) {
7224 conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free);
7229 mono_marshal_load_type_info (eklass);
7232 esize = sizeof (gpointer);
7234 esize = mono_class_native_size (eklass, NULL);
7235 src_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7236 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7238 mono_mb_emit_byte (mb, CEE_LDNULL);
7239 mono_mb_emit_stloc (mb, conv_arg);
7241 /* Check param index */
7242 if (param_num != -1) {
7243 if (param_num >= m->sig->param_count) {
7244 char *msg = g_strdup ("Array size control parameter index is out of range.");
7245 mono_mb_emit_exception_marshal_directive (mb, msg);
7248 switch (m->sig->params [param_num]->type) {
7261 char *msg = g_strdup ("Array size control parameter must be an integral type.");
7262 mono_mb_emit_exception_marshal_directive (mb, msg);
7269 mono_mb_emit_ldarg (mb, argnum);
7270 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
7272 mono_mb_emit_ldarg (mb, argnum);
7273 mono_mb_emit_stloc (mb, src_ptr);
7275 /* Create managed array */
7277 * The LPArray marshalling spec says that sometimes param_num starts
7278 * from 1, sometimes it starts from 0. But MS seems to allways start
7282 if (param_num == -1)
7283 mono_mb_emit_icon (mb, num_elem);
7285 /* FIXME: Add the two together */
7286 mono_mb_emit_ldarg (mb, param_num);
7288 mono_mb_emit_icon (mb, num_elem);
7289 mono_mb_emit_byte (mb, CEE_ADD);
7293 mono_mb_emit_op (mb, CEE_NEWARR, eklass);
7294 mono_mb_emit_stloc (mb, conv_arg);
7296 if (eklass->blittable) {
7297 mono_mb_emit_ldloc (mb, conv_arg);
7298 mono_mb_emit_byte (mb, CEE_CONV_I);
7299 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArray, vector));
7300 mono_mb_emit_byte (mb, CEE_ADD);
7301 mono_mb_emit_ldarg (mb, argnum);
7302 mono_mb_emit_ldloc (mb, conv_arg);
7303 mono_mb_emit_byte (mb, CEE_LDLEN);
7304 mono_mb_emit_icon (mb, esize);
7305 mono_mb_emit_byte (mb, CEE_MUL);
7306 mono_mb_emit_byte (mb, CEE_PREFIX1);
7307 mono_mb_emit_byte (mb, CEE_CPBLK);
7311 /* Emit marshalling loop */
7312 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7313 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7314 mono_mb_emit_stloc (mb, index_var);
7316 mono_mb_emit_ldloc (mb, index_var);
7317 mono_mb_emit_ldloc (mb, conv_arg);
7318 mono_mb_emit_byte (mb, CEE_LDLEN);
7319 label3 = mono_mb_emit_branch (mb, CEE_BGE);
7321 /* Emit marshalling code */
7323 g_assert (conv != -1);
7325 mono_mb_emit_ldloc (mb, conv_arg);
7326 mono_mb_emit_ldloc (mb, index_var);
7328 mono_mb_emit_ldloc (mb, src_ptr);
7329 mono_mb_emit_byte (mb, CEE_LDIND_I);
7331 mono_mb_emit_icall (mb, conv_to_icall (conv));
7332 mono_mb_emit_byte (mb, CEE_STELEM_REF);
7335 char *msg = g_strdup ("Marshalling of non-string and non-blittable arrays to managed code is not implemented.");
7336 mono_mb_emit_exception_marshal_directive (mb, msg);
7340 mono_mb_emit_add_to_local (mb, index_var, 1);
7341 mono_mb_emit_add_to_local (mb, src_ptr, esize);
7343 mono_mb_emit_byte (mb, CEE_BR);
7344 mono_mb_emit_i4 (mb, label2 - (mb->pos + 4));
7346 mono_mb_patch_branch (mb, label1);
7347 mono_mb_patch_branch (mb, label3);
7351 case MARSHAL_ACTION_MANAGED_CONV_OUT: {
7353 guint32 label1, label2, label3;
7354 int index_var, dest_ptr, loc, esize, param_num, num_elem;
7355 MonoMarshalConv conv;
7356 gboolean is_string = FALSE;
7359 /* Already handled in CONV_IN */
7362 /* These are already checked in CONV_IN */
7363 g_assert (!t->byref);
7364 g_assert (spec->native == MONO_NATIVE_LPARRAY);
7365 g_assert (t->attrs & PARAM_ATTRIBUTE_OUT);
7367 param_num = spec->data.array_data.param_num;
7368 num_elem = spec->data.array_data.num_elem;
7370 if (spec->data.array_data.elem_mult == 0)
7371 /* param_num is not specified */
7374 if (param_num == -1) {
7375 if (num_elem <= 0) {
7376 g_assert_not_reached ();
7380 /* FIXME: Optimize blittable case */
7382 eklass = klass->element_class;
7383 if (eklass == mono_defaults.string_class) {
7385 conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
7387 else if (eklass == mono_defaults.stringbuilder_class) {
7389 conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
7394 mono_marshal_load_type_info (eklass);
7397 esize = sizeof (gpointer);
7399 esize = mono_class_native_size (eklass, NULL);
7401 dest_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7402 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7405 mono_mb_emit_ldloc (mb, conv_arg);
7406 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
7408 mono_mb_emit_ldarg (mb, argnum);
7409 mono_mb_emit_stloc (mb, dest_ptr);
7411 if (eklass->blittable) {
7413 mono_mb_emit_ldarg (mb, argnum);
7415 mono_mb_emit_ldloc (mb, conv_arg);
7416 mono_mb_emit_byte (mb, CEE_CONV_I);
7417 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArray, vector));
7418 mono_mb_emit_byte (mb, CEE_ADD);
7420 mono_mb_emit_ldloc (mb, conv_arg);
7421 mono_mb_emit_byte (mb, CEE_LDLEN);
7422 mono_mb_emit_icon (mb, esize);
7423 mono_mb_emit_byte (mb, CEE_MUL);
7424 mono_mb_emit_byte (mb, CEE_PREFIX1);
7425 mono_mb_emit_byte (mb, CEE_CPBLK);
7429 /* Emit marshalling loop */
7430 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7431 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7432 mono_mb_emit_stloc (mb, index_var);
7434 mono_mb_emit_ldloc (mb, index_var);
7435 mono_mb_emit_ldloc (mb, conv_arg);
7436 mono_mb_emit_byte (mb, CEE_LDLEN);
7437 label3 = mono_mb_emit_branch (mb, CEE_BGE);
7439 /* Emit marshalling code */
7441 g_assert (conv != -1);
7444 mono_mb_emit_ldloc (mb, dest_ptr);
7447 mono_mb_emit_ldloc (mb, conv_arg);
7448 mono_mb_emit_ldloc (mb, index_var);
7450 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
7452 mono_mb_emit_icall (mb, conv_to_icall (conv));
7453 mono_mb_emit_byte (mb, CEE_STIND_I);
7456 char *msg = g_strdup ("Marshalling of non-string and non-blittable arrays to managed code is not implemented.");
7457 mono_mb_emit_exception_marshal_directive (mb, msg);
7461 mono_mb_emit_add_to_local (mb, index_var, 1);
7462 mono_mb_emit_add_to_local (mb, dest_ptr, esize);
7464 mono_mb_emit_byte (mb, CEE_BR);
7465 mono_mb_emit_i4 (mb, label2 - (mb->pos + 4));
7467 mono_mb_patch_branch (mb, label1);
7468 mono_mb_patch_branch (mb, label3);
7472 case MARSHAL_ACTION_MANAGED_CONV_RESULT: {
7474 guint32 label1, label2, label3;
7475 int index_var, src, dest, esize;
7476 MonoMarshalConv conv = -1;
7477 gboolean is_string = FALSE;
7479 g_assert (!t->byref);
7481 eklass = klass->element_class;
7483 mono_marshal_load_type_info (eklass);
7485 if (eklass == mono_defaults.string_class) {
7487 conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
7490 g_assert_not_reached ();
7494 esize = sizeof (gpointer);
7496 esize = mono_class_native_size (eklass, NULL);
7498 src = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
7499 dest = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7501 mono_mb_emit_stloc (mb, src);
7502 mono_mb_emit_ldloc (mb, src);
7503 mono_mb_emit_stloc (mb, 3);
7505 /* Check for null */
7506 mono_mb_emit_ldloc (mb, src);
7507 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
7509 /* Allocate native array */
7510 mono_mb_emit_icon (mb, esize);
7511 mono_mb_emit_ldloc (mb, src);
7512 mono_mb_emit_byte (mb, CEE_LDLEN);
7514 if (eklass == mono_defaults.string_class) {
7515 /* Make the array bigger for the terminating null */
7516 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
7517 mono_mb_emit_byte (mb, CEE_ADD);
7519 mono_mb_emit_byte (mb, CEE_MUL);
7520 mono_mb_emit_icall (mb, mono_marshal_alloc);
7521 mono_mb_emit_stloc (mb, dest);
7522 mono_mb_emit_ldloc (mb, dest);
7523 mono_mb_emit_stloc (mb, 3);
7525 /* Emit marshalling loop */
7526 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7527 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7528 mono_mb_emit_stloc (mb, index_var);
7530 mono_mb_emit_ldloc (mb, index_var);
7531 mono_mb_emit_ldloc (mb, src);
7532 mono_mb_emit_byte (mb, CEE_LDLEN);
7533 label3 = mono_mb_emit_branch (mb, CEE_BGE);
7535 /* Emit marshalling code */
7537 g_assert (conv != -1);
7540 mono_mb_emit_ldloc (mb, dest);
7543 mono_mb_emit_ldloc (mb, src);
7544 mono_mb_emit_ldloc (mb, index_var);
7546 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
7548 mono_mb_emit_icall (mb, conv_to_icall (conv));
7549 mono_mb_emit_byte (mb, CEE_STIND_I);
7552 char *msg = g_strdup ("Marshalling of non-string arrays to managed code is not implemented.");
7553 mono_mb_emit_exception_marshal_directive (mb, msg);
7557 mono_mb_emit_add_to_local (mb, index_var, 1);
7558 mono_mb_emit_add_to_local (mb, dest, esize);
7560 mono_mb_emit_byte (mb, CEE_BR);
7561 mono_mb_emit_i4 (mb, label2 - (mb->pos + 4));
7563 mono_mb_patch_branch (mb, label3);
7564 mono_mb_patch_branch (mb, label1);
7568 g_assert_not_reached ();
7575 emit_marshal_boolean (EmitMarshalContext *m, int argnum, MonoType *t,
7576 MonoMarshalSpec *spec,
7577 int conv_arg, MonoType **conv_arg_type,
7578 MarshalAction action)
7580 MonoMethodBuilder *mb = m->mb;
7583 case MARSHAL_ACTION_CONV_IN: {
7584 MonoType *local_type;
7585 int variant_bool = 0;
7589 local_type = &mono_defaults.int32_class->byval_arg;
7591 switch (spec->native) {
7592 case MONO_NATIVE_I1:
7593 local_type = &mono_defaults.byte_class->byval_arg;
7595 case MONO_NATIVE_VARIANTBOOL:
7596 local_type = &mono_defaults.int16_class->byval_arg;
7600 g_warning ("marshalling bool as native type %x is currently not supported", spec->native);
7601 local_type = &mono_defaults.int32_class->byval_arg;
7605 *conv_arg_type = &mono_defaults.int_class->byval_arg;
7606 conv_arg = mono_mb_add_local (mb, local_type);
7607 mono_mb_emit_ldarg (mb, argnum);
7608 mono_mb_emit_byte (mb, CEE_LDIND_I1);
7610 mono_mb_emit_byte (mb, CEE_NEG);
7611 mono_mb_emit_stloc (mb, conv_arg);
7615 case MARSHAL_ACTION_CONV_OUT:
7618 mono_mb_emit_ldarg (mb, argnum);
7619 mono_mb_emit_ldloc (mb, conv_arg);
7620 if (spec != NULL && spec->native == MONO_NATIVE_VARIANTBOOL)
7621 mono_mb_emit_byte (mb, CEE_NEG);
7622 mono_mb_emit_byte (mb, CEE_STIND_I1);
7625 case MARSHAL_ACTION_PUSH:
7627 mono_mb_emit_ldloc_addr (mb, conv_arg);
7629 mono_mb_emit_ldarg (mb, argnum);
7632 case MARSHAL_ACTION_CONV_RESULT:
7633 /* maybe we need to make sure that it fits within 8 bits */
7634 mono_mb_emit_stloc (mb, 3);
7638 g_assert_not_reached ();
7645 emit_marshal_ptr (EmitMarshalContext *m, int argnum, MonoType *t,
7646 MonoMarshalSpec *spec, int conv_arg,
7647 MonoType **conv_arg_type, MarshalAction action)
7649 MonoMethodBuilder *mb = m->mb;
7652 case MARSHAL_ACTION_CONV_IN:
7653 if (MONO_TYPE_ISSTRUCT (t->data.type)) {
7654 char *msg = g_strdup_printf ("Can not marshal 'parameter #%d': Pointers can not reference marshaled structures. Use byref instead.", argnum + 1);
7655 mono_mb_emit_exception_marshal_directive (m->mb, msg);
7659 case MARSHAL_ACTION_PUSH:
7660 mono_mb_emit_ldarg (mb, argnum);
7663 case MARSHAL_ACTION_CONV_RESULT:
7664 /* no conversions necessary */
7665 mono_mb_emit_stloc (mb, 3);
7676 emit_marshal_char (EmitMarshalContext *m, int argnum, MonoType *t,
7677 MonoMarshalSpec *spec, int conv_arg,
7678 MonoType **conv_arg_type, MarshalAction action)
7680 MonoMethodBuilder *mb = m->mb;
7683 case MARSHAL_ACTION_PUSH:
7684 /* fixme: dont know how to marshal that. We cant simply
7685 * convert it to a one byte UTF8 character, because an
7686 * unicode character may need more that one byte in UTF8 */
7687 mono_mb_emit_ldarg (mb, argnum);
7690 case MARSHAL_ACTION_CONV_RESULT:
7691 /* fixme: we need conversions here */
7692 mono_mb_emit_stloc (mb, 3);
7703 emit_marshal_scalar (EmitMarshalContext *m, int argnum, MonoType *t,
7704 MonoMarshalSpec *spec, int conv_arg,
7705 MonoType **conv_arg_type, MarshalAction action)
7707 MonoMethodBuilder *mb = m->mb;
7710 case MARSHAL_ACTION_PUSH:
7711 mono_mb_emit_ldarg (mb, argnum);
7714 case MARSHAL_ACTION_CONV_RESULT:
7715 /* no conversions necessary */
7716 mono_mb_emit_stloc (mb, 3);
7727 emit_marshal (EmitMarshalContext *m, int argnum, MonoType *t,
7728 MonoMarshalSpec *spec, int conv_arg,
7729 MonoType **conv_arg_type, MarshalAction action)
7731 /* Ensure that we have marshalling info for this param */
7732 mono_marshal_load_type_info (mono_class_from_mono_type (t));
7734 if (spec && spec->native == MONO_NATIVE_CUSTOM)
7735 return emit_marshal_custom (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7737 if (spec && spec->native == MONO_NATIVE_ASANY)
7738 return emit_marshal_asany (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7741 case MONO_TYPE_VALUETYPE:
7742 return emit_marshal_vtype (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7743 case MONO_TYPE_STRING:
7744 return emit_marshal_string (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7745 case MONO_TYPE_CLASS:
7746 case MONO_TYPE_OBJECT:
7747 if (spec && spec->native == MONO_NATIVE_STRUCT)
7748 return emit_marshal_variant (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7750 if (spec && (spec->native == MONO_NATIVE_IUNKNOWN ||
7751 spec->native == MONO_NATIVE_IDISPATCH ||
7752 spec->native == MONO_NATIVE_INTERFACE))
7753 return emit_marshal_com_interface (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7755 if (mono_defaults.safehandle_class != NULL &&
7756 mono_class_is_subclass_of (t->data.klass, mono_defaults.safehandle_class, FALSE))
7757 return emit_marshal_safehandle (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7759 return emit_marshal_object (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7760 case MONO_TYPE_ARRAY:
7761 case MONO_TYPE_SZARRAY:
7762 return emit_marshal_array (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7763 case MONO_TYPE_BOOLEAN:
7764 return emit_marshal_boolean (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7766 return emit_marshal_ptr (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7767 case MONO_TYPE_CHAR:
7768 return emit_marshal_char (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7781 case MONO_TYPE_FNPTR:
7782 return emit_marshal_scalar (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7789 * mono_marshal_emit_native_wrapper:
7790 * @image: the image to use for looking up custom marshallers
7791 * @sig: The signature of the native function
7792 * @piinfo: Marshalling information
7793 * @mspecs: Marshalling information
7794 * @func: the native function to call
7796 * generates IL code for the pinvoke wrapper, the generated code calls @func.
7799 mono_marshal_emit_native_wrapper (MonoImage *image, MonoMethodBuilder *mb, MonoMethodSignature *sig, MonoMethodPInvoke *piinfo, MonoMarshalSpec **mspecs, gpointer func)
7801 EmitMarshalContext m;
7802 MonoMethodSignature *csig;
7804 int i, argnum, *tmp_locals;
7806 static MonoMethodSignature *get_last_error_sig = NULL;
7811 /* we copy the signature, so that we can set pinvoke to 0 */
7812 csig = signature_dup (mb->method->klass->image, sig);
7817 /* we allocate local for use with emit_struct_conv() */
7818 /* allocate local 0 (pointer) src_ptr */
7819 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7820 /* allocate local 1 (pointer) dst_ptr */
7821 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7822 /* allocate local 2 (boolean) delete_old */
7823 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
7825 /* delete_old = FALSE */
7826 mono_mb_emit_icon (mb, 0);
7827 mono_mb_emit_stloc (mb, 2);
7829 if (!MONO_TYPE_IS_VOID(sig->ret)) {
7830 /* allocate local 3 to store the return value */
7831 mono_mb_add_local (mb, sig->ret);
7834 if (mspecs [0] && mspecs [0]->native == MONO_NATIVE_CUSTOM) {
7835 /* Return type custom marshaling */
7837 * Since we can't determine the return type of the unmanaged function,
7838 * we assume it returns a pointer, and pass that pointer to
7839 * MarshalNativeToManaged.
7841 csig->ret = &mono_defaults.int_class->byval_arg;
7844 /* we first do all conversions */
7845 tmp_locals = alloca (sizeof (int) * sig->param_count);
7846 m.orig_conv_args = alloca (sizeof (int) * (sig->param_count + 1));
7848 for (i = 0; i < sig->param_count; i ++) {
7849 tmp_locals [i] = emit_marshal (&m, i + sig->hasthis, sig->params [i], mspecs [i + 1], 0, &csig->params [i], MARSHAL_ACTION_CONV_IN);
7852 /* push all arguments */
7855 mono_mb_emit_byte (mb, CEE_LDARG_0);
7858 for (i = 0; i < sig->param_count; i++) {
7859 emit_marshal (&m, i + sig->hasthis, sig->params [i], mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_PUSH);
7862 /* call the native method */
7863 if (MONO_CLASS_IS_IMPORT (mb->method->klass)) {
7864 mono_mb_emit_cominterop_call (mb, csig, &piinfo->method);
7867 mono_mb_emit_native_call (mb, csig, func);
7870 /* Set LastError if needed */
7871 if (piinfo->piflags & PINVOKE_ATTRIBUTE_SUPPORTS_LAST_ERROR) {
7872 if (!get_last_error_sig) {
7873 get_last_error_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
7874 get_last_error_sig->ret = &mono_defaults.int_class->byval_arg;
7875 get_last_error_sig->pinvoke = 1;
7878 #ifdef PLATFORM_WIN32
7880 * Have to call GetLastError () early and without a wrapper, since various runtime components could
7881 * clobber its value.
7883 mono_mb_emit_native_call (mb, get_last_error_sig, GetLastError);
7884 mono_mb_emit_icall (mb, mono_marshal_set_last_error_windows);
7886 mono_mb_emit_icall (mb, mono_marshal_set_last_error);
7890 /* convert the result */
7891 if (!sig->ret->byref) {
7892 MonoMarshalSpec *spec = mspecs [0];
7893 type = sig->ret->type;
7895 if (spec && spec->native == MONO_NATIVE_CUSTOM) {
7896 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
7901 case MONO_TYPE_VOID:
7903 case MONO_TYPE_VALUETYPE:
7904 klass = sig->ret->data.klass;
7905 if (klass->enumtype) {
7906 type = sig->ret->data.klass->enum_basetype->type;
7909 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
7923 case MONO_TYPE_FNPTR:
7924 case MONO_TYPE_STRING:
7925 case MONO_TYPE_CLASS:
7926 case MONO_TYPE_OBJECT:
7927 case MONO_TYPE_BOOLEAN:
7928 case MONO_TYPE_ARRAY:
7929 case MONO_TYPE_SZARRAY:
7930 case MONO_TYPE_CHAR:
7932 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
7934 case MONO_TYPE_TYPEDBYREF:
7936 g_warning ("return type 0x%02x unknown", sig->ret->type);
7937 g_assert_not_reached ();
7941 mono_mb_emit_stloc (mb, 3);
7945 * Need to call this after converting the result since MONO_VTADDR needs
7946 * to be adjacent to the call instruction.
7948 emit_thread_interrupt_checkpoint (mb);
7950 /* we need to convert byref arguments back and free string arrays */
7951 for (i = 0; i < sig->param_count; i++) {
7952 MonoType *t = sig->params [i];
7953 MonoMarshalSpec *spec = mspecs [i + 1];
7955 argnum = i + sig->hasthis;
7957 if (spec && ((spec->native == MONO_NATIVE_CUSTOM) || (spec->native == MONO_NATIVE_ASANY))) {
7958 emit_marshal (&m, argnum, t, spec, tmp_locals [i], NULL, MARSHAL_ACTION_CONV_OUT);
7963 case MONO_TYPE_STRING:
7964 case MONO_TYPE_VALUETYPE:
7965 case MONO_TYPE_CLASS:
7966 case MONO_TYPE_OBJECT:
7967 case MONO_TYPE_SZARRAY:
7968 case MONO_TYPE_BOOLEAN:
7969 emit_marshal (&m, argnum, t, spec, tmp_locals [i], NULL, MARSHAL_ACTION_CONV_OUT);
7974 if (!MONO_TYPE_IS_VOID(sig->ret))
7975 mono_mb_emit_ldloc (mb, 3);
7977 mono_mb_emit_byte (mb, CEE_RET);
7981 * mono_marshal_get_native_wrapper:
7982 * @method: The MonoMethod to wrap.
7984 * generates IL code for the pinvoke wrapper (the generated method
7985 * calls the unmanaged code in piinfo->addr)
7988 mono_marshal_get_native_wrapper (MonoMethod *method)
7990 MonoMethodSignature *sig, *csig;
7991 MonoMethodPInvoke *piinfo = (MonoMethodPInvoke *) method;
7992 MonoMethodBuilder *mb;
7993 MonoMarshalSpec **mspecs;
7996 gboolean pinvoke = FALSE;
7999 const char *exc_class = "MissingMethodException";
8000 const char *exc_arg = NULL;
8002 g_assert (method != NULL);
8003 g_assert (mono_method_signature (method)->pinvoke);
8005 cache = method->klass->image->native_wrapper_cache;
8006 if ((res = mono_marshal_find_in_cache (cache, method)))
8009 if (MONO_CLASS_IS_IMPORT (method->klass))
8010 return cominterop_get_native_wrapper (method);
8012 sig = mono_method_signature (method);
8014 if (!(method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
8015 (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL))
8018 if (!piinfo->addr) {
8020 mono_lookup_pinvoke_call (method, &exc_class, &exc_arg);
8022 piinfo->addr = mono_lookup_internal_call (method);
8025 /* hack - redirect certain string constructors to CreateString */
8026 if (piinfo->addr == ves_icall_System_String_ctor_RedirectToCreateString) {
8027 g_assert (!pinvoke);
8028 g_assert (method->string_ctor);
8029 g_assert (sig->hasthis);
8031 /* CreateString returns a value */
8032 csig = signature_dup (method->klass->image, sig);
8033 csig->ret = &mono_defaults.string_class->byval_arg;
8037 while ((res = mono_class_get_methods (mono_defaults.string_class, &iter))) {
8038 if (!strcmp ("CreateString", res->name) &&
8039 mono_metadata_signature_equal (csig, mono_method_signature (res))) {
8041 g_assert (!(res->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL));
8042 g_assert (!(res->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL));
8044 /* create a wrapper to preserve .ctor in stack trace */
8045 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_MANAGED_TO_MANAGED);
8047 mono_mb_emit_byte (mb, CEE_LDARG_0);
8048 for (i = 1; i <= csig->param_count; i++)
8049 mono_mb_emit_ldarg (mb, i);
8050 mono_mb_emit_managed_call (mb, res, NULL);
8051 mono_mb_emit_byte (mb, CEE_RET);
8053 /* use native_wrapper_cache because internal calls are looked up there */
8054 res = mono_mb_create_and_cache (cache, method,
8055 mb, csig, csig->param_count + 1);
8063 /* exception will be thrown */
8064 piinfo->addr = NULL;
8065 g_warning ("cannot find CreateString for .ctor");
8068 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_MANAGED_TO_NATIVE);
8070 mb->method->save_lmf = 1;
8072 if (!piinfo->addr) {
8073 mono_mb_emit_exception (mb, exc_class, exc_arg);
8074 csig = signature_dup (method->klass->image, sig);
8076 res = mono_mb_create_and_cache (cache, method,
8077 mb, csig, csig->param_count + 16);
8082 /* internal calls: we simply push all arguments and call the method (no conversions) */
8083 if (method->iflags & (METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL | METHOD_IMPL_ATTRIBUTE_RUNTIME)) {
8085 /* hack - string constructors returns a value */
8086 if (method->string_ctor) {
8087 csig = signature_dup (method->klass->image, sig);
8088 csig->ret = &mono_defaults.string_class->byval_arg;
8093 mono_mb_emit_byte (mb, CEE_LDARG_0);
8095 for (i = 0; i < sig->param_count; i++)
8096 mono_mb_emit_ldarg (mb, i + sig->hasthis);
8098 g_assert (piinfo->addr);
8099 mono_mb_emit_native_call (mb, csig, piinfo->addr);
8100 emit_thread_interrupt_checkpoint (mb);
8101 mono_mb_emit_byte (mb, CEE_RET);
8103 csig = signature_dup (method->klass->image, csig);
8105 res = mono_mb_create_and_cache (cache, method,
8106 mb, csig, csig->param_count + 16);
8113 mspecs = g_new (MonoMarshalSpec*, sig->param_count + 1);
8114 mono_method_get_marshal_info (method, mspecs);
8116 mono_marshal_emit_native_wrapper (mb->method->klass->image, mb, sig, piinfo, mspecs, piinfo->addr);
8118 csig = signature_dup (method->klass->image, sig);
8120 res = mono_mb_create_and_cache (cache, method,
8121 mb, csig, csig->param_count + 16);
8124 for (i = sig->param_count; i >= 0; i--)
8126 mono_metadata_free_marshal_spec (mspecs [i]);
8129 /* printf ("CODE FOR %s: \n%s.\n", mono_method_full_name (res, TRUE), mono_disasm_code (0, res, ((MonoMethodNormal*)res)->header->code, ((MonoMethodNormal*)res)->header->code + ((MonoMethodNormal*)res)->header->code_size)); */
8135 * mono_marshal_get_native_func_wrapper:
8136 * @image: The image to use for memory allocation and for looking up custom marshallers.
8137 * @sig: The signature of the function
8138 * @func: The native function to wrap
8140 * Returns a wrapper method around native functions, similar to the pinvoke
8144 mono_marshal_get_native_func_wrapper (MonoImage *image, MonoMethodSignature *sig,
8145 MonoMethodPInvoke *piinfo, MonoMarshalSpec **mspecs, gpointer func)
8147 MonoMethodSignature *csig;
8149 MonoMethodBuilder *mb;
8154 cache = image->native_wrapper_cache;
8155 if ((res = mono_marshal_find_in_cache (cache, func)))
8158 name = g_strdup_printf ("wrapper_native_%p", func);
8159 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_MANAGED_TO_NATIVE);
8160 mb->method->save_lmf = 1;
8162 mono_marshal_emit_native_wrapper (image, mb, sig, piinfo, mspecs, func);
8164 csig = signature_dup (image, sig);
8166 res = mono_mb_create_and_cache (cache, func,
8167 mb, csig, csig->param_count + 16);
8170 /* printf ("CODE FOR %s: \n%s.\n", mono_method_full_name (res, TRUE), mono_disasm_code (0, res, ((MonoMethodNormal*)res)->header->code, ((MonoMethodNormal*)res)->header->code + ((MonoMethodNormal*)res)->header->code_size)); */
8175 /* FIXME: moving GC */
8177 mono_marshal_emit_managed_wrapper (MonoMethodBuilder *mb, MonoMethodSignature *invoke_sig, MonoMarshalSpec **mspecs, EmitMarshalContext* m, MonoMethod *method, MonoObject* this)
8179 MonoMethodSignature *sig, *csig;
8185 /* allocate local 0 (pointer) src_ptr */
8186 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8187 /* allocate local 1 (pointer) dst_ptr */
8188 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8189 /* allocate local 2 (boolean) delete_old */
8190 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
8192 if (!MONO_TYPE_IS_VOID(sig->ret)) {
8193 /* allocate local 3 to store the return value */
8194 mono_mb_add_local (mb, sig->ret);
8197 mono_mb_emit_icon (mb, 0);
8198 mono_mb_emit_stloc (mb, 2);
8200 /* fixme: howto handle this ? */
8203 /* FIXME: need a solution for the moving GC here */
8204 mono_mb_emit_ptr (mb, this);
8207 g_assert_not_reached ();
8211 /* we first do all conversions */
8212 tmp_locals = alloca (sizeof (int) * sig->param_count);
8213 for (i = 0; i < sig->param_count; i ++) {
8214 MonoType *t = sig->params [i];
8217 case MONO_TYPE_OBJECT:
8218 case MONO_TYPE_CLASS:
8219 case MONO_TYPE_VALUETYPE:
8220 case MONO_TYPE_ARRAY:
8221 case MONO_TYPE_SZARRAY:
8222 case MONO_TYPE_STRING:
8223 tmp_locals [i] = emit_marshal (m, i, sig->params [i], mspecs [i + 1], 0, &csig->params [i], MARSHAL_ACTION_MANAGED_CONV_IN);
8232 emit_thread_interrupt_checkpoint (mb);
8234 for (i = 0; i < sig->param_count; i++) {
8235 MonoType *t = sig->params [i];
8237 if (tmp_locals [i]) {
8239 mono_mb_emit_ldloc_addr (mb, tmp_locals [i]);
8241 mono_mb_emit_ldloc (mb, tmp_locals [i]);
8244 mono_mb_emit_ldarg (mb, i);
8247 mono_mb_emit_managed_call (mb, method, NULL);
8249 if (mspecs [0] && mspecs [0]->native == MONO_NATIVE_CUSTOM) {
8250 emit_marshal (m, 0, sig->ret, mspecs [0], 0, NULL, MARSHAL_ACTION_MANAGED_CONV_RESULT);
8253 if (!sig->ret->byref) {
8254 switch (sig->ret->type) {
8255 case MONO_TYPE_VOID:
8257 case MONO_TYPE_BOOLEAN:
8271 case MONO_TYPE_OBJECT:
8272 mono_mb_emit_stloc (mb, 3);
8274 case MONO_TYPE_STRING:
8275 csig->ret = &mono_defaults.int_class->byval_arg;
8276 emit_marshal (m, 0, sig->ret, mspecs [0], 0, NULL, MARSHAL_ACTION_MANAGED_CONV_RESULT);
8278 case MONO_TYPE_VALUETYPE:
8279 case MONO_TYPE_CLASS:
8280 case MONO_TYPE_SZARRAY:
8281 emit_marshal (m, 0, sig->ret, mspecs [0], 0, NULL, MARSHAL_ACTION_MANAGED_CONV_RESULT);
8284 g_warning ("return type 0x%02x unknown", sig->ret->type);
8285 g_assert_not_reached ();
8288 mono_mb_emit_stloc (mb, 3);
8291 /* Convert byref arguments back */
8292 for (i = 0; i < sig->param_count; i ++) {
8293 MonoType *t = sig->params [i];
8294 MonoMarshalSpec *spec = mspecs [i + 1];
8296 if (spec && spec->native == MONO_NATIVE_CUSTOM) {
8297 emit_marshal (m, i, t, mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_MANAGED_CONV_OUT);
8299 else if (t->byref) {
8301 case MONO_TYPE_CLASS:
8302 case MONO_TYPE_VALUETYPE:
8303 case MONO_TYPE_OBJECT:
8304 emit_marshal (m, i, t, mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_MANAGED_CONV_OUT);
8308 else if (invoke_sig->params [i]->attrs & PARAM_ATTRIBUTE_OUT) {
8309 /* The [Out] information is encoded in the delegate signature */
8311 case MONO_TYPE_SZARRAY:
8312 case MONO_TYPE_CLASS:
8313 case MONO_TYPE_VALUETYPE:
8314 emit_marshal (m, i, invoke_sig->params [i], mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_MANAGED_CONV_OUT);
8317 g_assert_not_reached ();
8322 if (m->retobj_var) {
8323 mono_mb_emit_ldloc (mb, m->retobj_var);
8324 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
8325 mono_mb_emit_op (mb, CEE_MONO_RETOBJ, m->retobj_class);
8328 if (!MONO_TYPE_IS_VOID(sig->ret))
8329 mono_mb_emit_ldloc (mb, 3);
8330 mono_mb_emit_byte (mb, CEE_RET);
8336 * generates IL code to call managed methods from unmanaged code
8339 mono_marshal_get_managed_wrapper (MonoMethod *method, MonoClass *delegate_klass, MonoObject *this)
8341 static MonoClass *UnmanagedFunctionPointerAttribute;
8342 MonoMethodSignature *sig, *csig, *invoke_sig;
8343 MonoMethodBuilder *mb;
8344 MonoMethod *res, *invoke;
8345 MonoMarshalSpec **mspecs;
8346 MonoMethodPInvoke piinfo;
8349 EmitMarshalContext m;
8351 g_assert (method != NULL);
8352 g_assert (!mono_method_signature (method)->pinvoke);
8355 * FIXME: Should cache the method+delegate type pair, since the same method
8356 * could be called with different delegates, thus different marshalling
8359 cache = method->klass->image->managed_wrapper_cache;
8360 if (!this && (res = mono_marshal_find_in_cache (cache, method)))
8363 invoke = mono_class_get_method_from_name (delegate_klass, "Invoke", mono_method_signature (method)->param_count);
8364 invoke_sig = mono_method_signature (invoke);
8366 mspecs = g_new0 (MonoMarshalSpec*, mono_method_signature (invoke)->param_count + 1);
8367 mono_method_get_marshal_info (invoke, mspecs);
8369 sig = mono_method_signature (method);
8371 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_NATIVE_TO_MANAGED);
8374 /* we copy the signature, so that we can modify it */
8375 csig = signature_dup (method->klass->image, sig);
8384 m.image = method->klass->image;
8386 #ifdef PLATFORM_WIN32
8388 * Under windows, delegates passed to native code must use the STDCALL
8389 * calling convention.
8391 csig->call_convention = MONO_CALL_STDCALL;
8394 /* Change default calling convention if needed */
8395 /* Why is this a modopt ? */
8396 if (invoke_sig->ret && invoke_sig->ret->num_mods) {
8397 for (i = 0; i < invoke_sig->ret->num_mods; ++i) {
8398 MonoClass *cmod_class = mono_class_get (delegate_klass->image, invoke_sig->ret->modifiers [i].token);
8399 g_assert (cmod_class);
8400 if ((cmod_class->image == mono_defaults.corlib) && !strcmp (cmod_class->name_space, "System.Runtime.CompilerServices")) {
8401 if (!strcmp (cmod_class->name, "CallConvCdecl"))
8402 csig->call_convention = MONO_CALL_C;
8403 else if (!strcmp (cmod_class->name, "CallConvStdcall"))
8404 csig->call_convention = MONO_CALL_STDCALL;
8405 else if (!strcmp (cmod_class->name, "CallConvFastcall"))
8406 csig->call_convention = MONO_CALL_FASTCALL;
8407 else if (!strcmp (cmod_class->name, "CallConvThiscall"))
8408 csig->call_convention = MONO_CALL_THISCALL;
8413 /* Handle the UnmanagedFunctionPointerAttribute */
8414 if (!UnmanagedFunctionPointerAttribute)
8415 UnmanagedFunctionPointerAttribute = mono_class_from_name (mono_defaults.corlib, "System.Runtime.InteropServices", "UnmanagedFunctionPointerAttribute");
8417 /* The attribute is only available in Net 2.0 */
8418 if (UnmanagedFunctionPointerAttribute) {
8419 MonoReflectionUnmanagedFunctionPointerAttribute *attr;
8420 MonoCustomAttrInfo *cinfo;
8423 * The pinvoke attributes are stored in a real custom attribute so we have to
8426 cinfo = mono_custom_attrs_from_class (delegate_klass);
8428 attr = (MonoReflectionUnmanagedFunctionPointerAttribute*)mono_custom_attrs_get_attr (cinfo, UnmanagedFunctionPointerAttribute);
8430 memset (&piinfo, 0, sizeof (piinfo));
8432 piinfo.piflags = (attr->call_conv << 8) | (attr->charset ? (attr->charset - 1) * 2 : 1) | attr->set_last_error;
8434 csig->call_convention = attr->call_conv - 1;
8437 mono_custom_attrs_free (cinfo);
8441 mono_marshal_emit_managed_wrapper (mb, invoke_sig, mspecs, &m, method, this);
8444 res = mono_mb_create_and_cache (cache, method,
8445 mb, csig, sig->param_count + 16);
8448 res = mono_mb_create_method (mb, csig, sig->param_count + 16);
8452 for (i = mono_method_signature (invoke)->param_count; i >= 0; i--)
8454 mono_metadata_free_marshal_spec (mspecs [i]);
8457 /* printf ("CODE FOR %s: \n%s.\n", mono_method_full_name (res, TRUE), mono_disasm_code (0, res, ((MonoMethodNormal*)res)->header->code, ((MonoMethodNormal*)res)->header->code + ((MonoMethodNormal*)res)->header->code_size)); */
8462 static MonoReflectionType *
8463 type_from_handle (MonoType *handle)
8465 MonoDomain *domain = mono_domain_get ();
8466 MonoClass *klass = mono_class_from_mono_type (handle);
8468 MONO_ARCH_SAVE_REGS;
8470 mono_class_init (klass);
8471 return mono_type_get_object (domain, handle);
8475 * mono_marshal_get_isinst:
8476 * @klass: the type of the field
8478 * This method generates a function which can be used to check if an object is
8479 * an instance of the given type, icluding the case where the object is a proxy.
8480 * The generated function has the following signature:
8481 * MonoObject* __isinst_wrapper_ (MonoObject *obj)
8484 mono_marshal_get_isinst (MonoClass *klass)
8486 static MonoMethodSignature *isint_sig = NULL;
8489 int pos_was_ok, pos_failed, pos_end, pos_end2;
8491 MonoMethodBuilder *mb;
8493 cache = klass->image->isinst_cache;
8494 if ((res = mono_marshal_find_in_cache (cache, klass)))
8498 isint_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
8499 isint_sig->params [0] = &mono_defaults.object_class->byval_arg;
8500 isint_sig->ret = &mono_defaults.object_class->byval_arg;
8501 isint_sig->pinvoke = 0;
8504 name = g_strdup_printf ("__isinst_wrapper_%s", klass->name);
8505 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_ISINST);
8508 mb->method->save_lmf = 1;
8510 /* check if the object is a proxy that needs special cast */
8511 mono_mb_emit_ldarg (mb, 0);
8512 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
8513 mono_mb_emit_op (mb, CEE_MONO_CISINST, klass);
8515 /* The result of MONO_ISINST can be:
8516 0) the type check succeeded
8517 1) the type check did not succeed
8518 2) a CanCastTo call is needed */
8520 mono_mb_emit_byte (mb, CEE_DUP);
8521 pos_was_ok = mono_mb_emit_branch (mb, CEE_BRFALSE);
8523 mono_mb_emit_byte (mb, CEE_LDC_I4_2);
8524 pos_failed = mono_mb_emit_branch (mb, CEE_BNE_UN);
8526 /* get the real proxy from the transparent proxy*/
8528 mono_mb_emit_ldarg (mb, 0);
8529 mono_mb_emit_managed_call (mb, mono_marshal_get_proxy_cancast (klass), NULL);
8530 pos_end = mono_mb_emit_branch (mb, CEE_BR);
8534 mono_mb_patch_addr (mb, pos_failed, mb->pos - (pos_failed + 4));
8535 mono_mb_emit_byte (mb, CEE_LDNULL);
8536 pos_end2 = mono_mb_emit_branch (mb, CEE_BR);
8540 mono_mb_patch_addr (mb, pos_was_ok, mb->pos - (pos_was_ok + 4));
8541 mono_mb_emit_byte (mb, CEE_POP);
8542 mono_mb_emit_ldarg (mb, 0);
8546 mono_mb_patch_addr (mb, pos_end, mb->pos - (pos_end + 4));
8547 mono_mb_patch_addr (mb, pos_end2, mb->pos - (pos_end2 + 4));
8548 mono_mb_emit_byte (mb, CEE_RET);
8550 res = mono_mb_create_and_cache (cache, klass, mb, isint_sig, isint_sig->param_count + 16);
8557 * mono_marshal_get_castclass:
8558 * @klass: the type of the field
8560 * This method generates a function which can be used to cast an object to
8561 * an instance of the given type, icluding the case where the object is a proxy.
8562 * The generated function has the following signature:
8563 * MonoObject* __castclass_wrapper_ (MonoObject *obj)
8566 mono_marshal_get_castclass (MonoClass *klass)
8568 static MonoMethodSignature *castclass_sig = NULL;
8571 int pos_was_ok, pos_was_ok2;
8573 MonoMethodBuilder *mb;
8575 cache = klass->image->castclass_cache;
8576 if ((res = mono_marshal_find_in_cache (cache, klass)))
8579 if (!castclass_sig) {
8580 castclass_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
8581 castclass_sig->params [0] = &mono_defaults.object_class->byval_arg;
8582 castclass_sig->ret = &mono_defaults.object_class->byval_arg;
8583 castclass_sig->pinvoke = 0;
8586 name = g_strdup_printf ("__castclass_wrapper_%s", klass->name);
8587 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_CASTCLASS);
8590 mb->method->save_lmf = 1;
8592 /* check if the object is a proxy that needs special cast */
8593 mono_mb_emit_ldarg (mb, 0);
8594 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
8595 mono_mb_emit_op (mb, CEE_MONO_CCASTCLASS, klass);
8597 /* The result of MONO_ISINST can be:
8598 0) the cast is valid
8599 1) cast of unknown proxy type
8600 or an exception if the cast is is invalid
8603 pos_was_ok = mono_mb_emit_branch (mb, CEE_BRFALSE);
8605 /* get the real proxy from the transparent proxy*/
8607 mono_mb_emit_ldarg (mb, 0);
8608 mono_mb_emit_managed_call (mb, mono_marshal_get_proxy_cancast (klass), NULL);
8609 pos_was_ok2 = mono_mb_emit_branch (mb, CEE_BRTRUE);
8612 mono_mb_emit_exception (mb, "InvalidCastException", NULL);
8615 mono_mb_patch_addr (mb, pos_was_ok, mb->pos - (pos_was_ok + 4));
8616 mono_mb_patch_addr (mb, pos_was_ok2, mb->pos - (pos_was_ok2 + 4));
8617 mono_mb_emit_ldarg (mb, 0);
8620 mono_mb_emit_byte (mb, CEE_RET);
8622 res = mono_mb_create_and_cache (cache, klass, mb, castclass_sig, castclass_sig->param_count + 16);
8629 mono_marshal_get_proxy_cancast (MonoClass *klass)
8631 static MonoMethodSignature *isint_sig = NULL;
8634 int pos_failed, pos_end;
8636 MonoMethod *can_cast_to;
8637 MonoMethodDesc *desc;
8638 MonoMethodBuilder *mb;
8640 cache = klass->image->proxy_isinst_cache;
8641 if ((res = mono_marshal_find_in_cache (cache, klass)))
8645 isint_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
8646 isint_sig->params [0] = &mono_defaults.object_class->byval_arg;
8647 isint_sig->ret = &mono_defaults.object_class->byval_arg;
8648 isint_sig->pinvoke = 0;
8651 name = g_strdup_printf ("__proxy_isinst_wrapper_%s", klass->name);
8652 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_PROXY_ISINST);
8655 mb->method->save_lmf = 1;
8657 /* get the real proxy from the transparent proxy*/
8658 mono_mb_emit_ldarg (mb, 0);
8659 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
8660 mono_mb_emit_byte (mb, CEE_LDIND_REF);
8662 /* get the reflection type from the type handle */
8663 mono_mb_emit_ptr (mb, &klass->byval_arg);
8664 mono_mb_emit_icall (mb, type_from_handle);
8666 mono_mb_emit_ldarg (mb, 0);
8668 /* make the call to CanCastTo (type, ob) */
8669 desc = mono_method_desc_new ("IRemotingTypeInfo:CanCastTo", FALSE);
8670 can_cast_to = mono_method_desc_search_in_class (desc, mono_defaults.iremotingtypeinfo_class);
8671 g_assert (can_cast_to);
8672 mono_method_desc_free (desc);
8673 mono_mb_emit_op (mb, CEE_CALLVIRT, can_cast_to);
8675 pos_failed = mono_mb_emit_branch (mb, CEE_BRFALSE);
8677 /* Upgrade the proxy vtable by calling: mono_upgrade_remote_class_wrapper (type, ob)*/
8678 mono_mb_emit_ptr (mb, &klass->byval_arg);
8679 mono_mb_emit_icall (mb, type_from_handle);
8680 mono_mb_emit_ldarg (mb, 0);
8682 mono_mb_emit_icall (mb, mono_upgrade_remote_class_wrapper);
8683 emit_thread_interrupt_checkpoint (mb);
8685 mono_mb_emit_ldarg (mb, 0);
8686 pos_end = mono_mb_emit_branch (mb, CEE_BR);
8690 mono_mb_patch_addr (mb, pos_failed, mb->pos - (pos_failed + 4));
8691 mono_mb_emit_byte (mb, CEE_LDNULL);
8695 mono_mb_patch_addr (mb, pos_end, mb->pos - (pos_end + 4));
8696 mono_mb_emit_byte (mb, CEE_RET);
8698 res = mono_mb_create_and_cache (cache, klass, mb, isint_sig, isint_sig->param_count + 16);
8705 mono_upgrade_remote_class_wrapper (MonoReflectionType *rtype, MonoTransparentProxy *tproxy)
8708 MonoDomain *domain = ((MonoObject*)tproxy)->vtable->domain;
8709 klass = mono_class_from_mono_type (rtype->type);
8710 mono_upgrade_remote_class (domain, (MonoObject*)tproxy, klass);
8714 * mono_marshal_get_struct_to_ptr:
8717 * generates IL code for StructureToPtr (object structure, IntPtr ptr, bool fDeleteOld)
8720 mono_marshal_get_struct_to_ptr (MonoClass *klass)
8722 MonoMethodBuilder *mb;
8723 static MonoMethod *stoptr = NULL;
8726 g_assert (klass != NULL);
8728 mono_marshal_load_type_info (klass);
8730 if (klass->marshal_info->str_to_ptr)
8731 return klass->marshal_info->str_to_ptr;
8734 stoptr = mono_class_get_method_from_name (mono_defaults.marshal_class, "StructureToPtr", 3);
8737 mb = mono_mb_new (klass, stoptr->name, MONO_WRAPPER_UNKNOWN);
8739 if (klass->blittable) {
8740 mono_mb_emit_byte (mb, CEE_LDARG_1);
8741 mono_mb_emit_byte (mb, CEE_LDARG_0);
8742 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
8743 mono_mb_emit_icon (mb, mono_class_value_size (klass, NULL));
8744 mono_mb_emit_byte (mb, CEE_PREFIX1);
8745 mono_mb_emit_byte (mb, CEE_CPBLK);
8748 /* allocate local 0 (pointer) src_ptr */
8749 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8750 /* allocate local 1 (pointer) dst_ptr */
8751 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8752 /* allocate local 2 (boolean) delete_old */
8753 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
8754 mono_mb_emit_byte (mb, CEE_LDARG_2);
8755 mono_mb_emit_stloc (mb, 2);
8757 /* initialize src_ptr to point to the start of object data */
8758 mono_mb_emit_byte (mb, CEE_LDARG_0);
8759 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
8760 mono_mb_emit_stloc (mb, 0);
8762 /* initialize dst_ptr */
8763 mono_mb_emit_byte (mb, CEE_LDARG_1);
8764 mono_mb_emit_stloc (mb, 1);
8766 emit_struct_conv (mb, klass, FALSE);
8769 mono_mb_emit_byte (mb, CEE_RET);
8771 res = mono_mb_create_method (mb, mono_method_signature (stoptr), 0);
8774 klass->marshal_info->str_to_ptr = res;
8779 * mono_marshal_get_ptr_to_struct:
8782 * generates IL code for PtrToStructure (IntPtr src, object structure)
8785 mono_marshal_get_ptr_to_struct (MonoClass *klass)
8787 MonoMethodBuilder *mb;
8788 static MonoMethodSignature *ptostr = NULL;
8791 g_assert (klass != NULL);
8793 mono_marshal_load_type_info (klass);
8795 if (klass->marshal_info->ptr_to_str)
8796 return klass->marshal_info->ptr_to_str;
8799 /* Create the signature corresponding to
8800 static void PtrToStructure (IntPtr ptr, object structure);
8801 defined in class/corlib/System.Runtime.InteropServices/Marshal.cs */
8802 ptostr = mono_create_icall_signature ("void ptr object");
8804 mb = mono_mb_new (klass, "PtrToStructure", MONO_WRAPPER_UNKNOWN);
8806 if (klass->blittable) {
8807 mono_mb_emit_byte (mb, CEE_LDARG_1);
8808 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
8809 mono_mb_emit_byte (mb, CEE_LDARG_0);
8810 mono_mb_emit_icon (mb, mono_class_value_size (klass, NULL));
8811 mono_mb_emit_byte (mb, CEE_PREFIX1);
8812 mono_mb_emit_byte (mb, CEE_CPBLK);
8815 /* allocate local 0 (pointer) src_ptr */
8816 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8817 /* allocate local 1 (pointer) dst_ptr */
8818 mono_mb_add_local (mb, &klass->this_arg);
8820 /* initialize src_ptr to point to the start of object data */
8821 mono_mb_emit_byte (mb, CEE_LDARG_0);
8822 mono_mb_emit_stloc (mb, 0);
8824 /* initialize dst_ptr */
8825 mono_mb_emit_byte (mb, CEE_LDARG_1);
8826 mono_mb_emit_op (mb, CEE_UNBOX, klass);
8827 mono_mb_emit_stloc (mb, 1);
8829 emit_struct_conv (mb, klass, TRUE);
8832 mono_mb_emit_byte (mb, CEE_RET);
8834 res = mono_mb_create_method (mb, ptostr, 0);
8837 klass->marshal_info->ptr_to_str = res;
8842 * generates IL code for the synchronized wrapper: the generated method
8843 * calls METHOD while locking 'this' or the parent type.
8846 mono_marshal_get_synchronized_wrapper (MonoMethod *method)
8848 static MonoMethod *enter_method, *exit_method;
8849 MonoMethodSignature *sig;
8850 MonoExceptionClause *clause;
8851 MonoMethodHeader *header;
8852 MonoMethodBuilder *mb;
8855 int i, pos, this_local, ret_local = 0;
8859 if (method->wrapper_type == MONO_WRAPPER_SYNCHRONIZED)
8862 cache = method->klass->image->synchronized_cache;
8863 if ((res = mono_marshal_find_in_cache (cache, method)))
8866 sig = signature_dup (method->klass->image, mono_method_signature (method));
8869 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_SYNCHRONIZED);
8872 if (!MONO_TYPE_IS_VOID (sig->ret))
8873 ret_local = mono_mb_add_local (mb, sig->ret);
8876 this_local = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
8878 mono_loader_lock ();
8879 clause = mono_mempool_alloc0 (method->klass->image->mempool, sizeof (MonoExceptionClause));
8880 mono_loader_unlock ();
8881 clause->flags = MONO_EXCEPTION_CLAUSE_FINALLY;
8883 if (!enter_method) {
8884 MonoMethodDesc *desc;
8886 desc = mono_method_desc_new ("Monitor:Enter", FALSE);
8887 enter_method = mono_method_desc_search_in_class (desc, mono_defaults.monitor_class);
8888 g_assert (enter_method);
8889 mono_method_desc_free (desc);
8890 desc = mono_method_desc_new ("Monitor:Exit", FALSE);
8891 exit_method = mono_method_desc_search_in_class (desc, mono_defaults.monitor_class);
8892 g_assert (exit_method);
8893 mono_method_desc_free (desc);
8896 /* Push this or the type object */
8897 if (method->flags & METHOD_ATTRIBUTE_STATIC) {
8899 * GetTypeFromHandle isn't called as a managed method because it has
8900 * a funky calling sequence, e.g. ldtoken+GetTypeFromHandle gets
8901 * transformed into something else by the JIT.
8903 mono_mb_emit_ptr (mb, &method->klass->byval_arg);
8904 mono_mb_emit_icall (mb, type_from_handle);
8907 mono_mb_emit_ldarg (mb, 0);
8908 mono_mb_emit_stloc (mb, this_local);
8910 /* Call Monitor::Enter() */
8911 mono_mb_emit_ldloc (mb, this_local);
8912 mono_mb_emit_managed_call (mb, enter_method, NULL);
8914 clause->try_offset = mb->pos;
8916 /* Call the method */
8918 mono_mb_emit_ldarg (mb, 0);
8919 for (i = 0; i < sig->param_count; i++)
8920 mono_mb_emit_ldarg (mb, i + (sig->hasthis == TRUE));
8922 /* this is needed to avoid recursion */
8923 mono_mb_emit_byte (mb, CEE_PREFIX1);
8924 mono_mb_emit_op (mb, CEE_LDFTN, method);
8925 mono_mb_emit_calli (mb, mono_method_signature (method));
8927 if (!MONO_TYPE_IS_VOID (sig->ret))
8928 mono_mb_emit_stloc (mb, ret_local);
8930 pos = mono_mb_emit_branch (mb, CEE_LEAVE);
8932 clause->try_len = mb->pos - clause->try_offset;
8933 clause->handler_offset = mb->pos;
8935 /* Call Monitor::Exit() */
8936 mono_mb_emit_ldloc (mb, this_local);
8937 /* mono_mb_emit_native_call (mb, exit_sig, mono_monitor_exit); */
8938 mono_mb_emit_managed_call (mb, exit_method, NULL);
8939 mono_mb_emit_byte (mb, CEE_ENDFINALLY);
8941 clause->handler_len = mb->pos - clause->handler_offset;
8943 mono_mb_patch_branch (mb, pos);
8944 if (!MONO_TYPE_IS_VOID (sig->ret))
8945 mono_mb_emit_ldloc (mb, ret_local);
8946 mono_mb_emit_byte (mb, CEE_RET);
8948 res = mono_mb_create_and_cache (cache, method,
8949 mb, sig, sig->param_count + 16);
8952 header = ((MonoMethodNormal *)res)->header;
8953 header->num_clauses = 1;
8954 header->clauses = clause;
8961 * the returned method calls 'method' unboxing the this argument
8964 mono_marshal_get_unbox_wrapper (MonoMethod *method)
8966 MonoMethodSignature *sig = mono_method_signature (method);
8968 MonoMethodBuilder *mb;
8972 cache = method->klass->image->unbox_wrapper_cache;
8973 if ((res = mono_marshal_find_in_cache (cache, method)))
8976 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_UNBOX);
8978 g_assert (sig->hasthis);
8980 mono_mb_emit_ldarg (mb, 0);
8981 mono_mb_emit_icon (mb, sizeof (MonoObject));
8982 mono_mb_emit_byte (mb, CEE_ADD);
8983 for (i = 0; i < sig->param_count; ++i)
8984 mono_mb_emit_ldarg (mb, i + 1);
8985 mono_mb_emit_managed_call (mb, method, NULL);
8986 mono_mb_emit_byte (mb, CEE_RET);
8988 res = mono_mb_create_and_cache (cache, method,
8989 mb, sig, sig->param_count + 16);
8992 /* printf ("CODE FOR %s: \n%s.\n", mono_method_full_name (res, TRUE), mono_disasm_code (0, res, ((MonoMethodNormal*)res)->header->code, ((MonoMethodNormal*)res)->header->code + ((MonoMethodNormal*)res)->header->code_size)); */
8998 mono_marshal_get_stelemref ()
9000 static MonoMethod* ret = NULL;
9001 MonoMethodSignature *sig;
9002 MonoMethodBuilder *mb;
9004 guint32 b1, b2, b3, b4;
9007 int array_slot_addr;
9012 mb = mono_mb_new (mono_defaults.object_class, "stelemref", MONO_WRAPPER_STELEMREF);
9015 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
9017 /* void stelemref (void* array, int idx, void* value) */
9018 sig->ret = &mono_defaults.void_class->byval_arg;
9019 sig->params [0] = &mono_defaults.object_class->byval_arg;
9020 sig->params [1] = &mono_defaults.int_class->byval_arg; /* this is a natural sized int */
9021 sig->params [2] = &mono_defaults.object_class->byval_arg;
9023 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9024 vklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9025 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
9029 <ldelema (bound check)>
9033 aklass = array->vtable->klass->element_class;
9034 vklass = value->vtable->klass;
9036 if (vklass->idepth < aklass->idepth)
9039 if (vklass->supertypes [aklass->idepth - 1] != aklass)
9043 *array_slot_addr = value;
9047 if (mono_object_isinst (value, aklass))
9050 throw new ArrayTypeMismatchException ();
9053 /* ldelema (implicit bound check) */
9054 mono_mb_emit_ldarg (mb, 0);
9055 mono_mb_emit_ldarg (mb, 1);
9056 mono_mb_emit_op (mb, CEE_LDELEMA, mono_defaults.object_class);
9057 mono_mb_emit_stloc (mb, array_slot_addr);
9059 /* if (!value) goto do_store */
9060 mono_mb_emit_ldarg (mb, 2);
9061 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
9063 /* aklass = array->vtable->klass->element_class */
9064 mono_mb_emit_ldarg (mb, 0);
9065 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
9066 mono_mb_emit_byte (mb, CEE_LDIND_I);
9067 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, klass));
9068 mono_mb_emit_byte (mb, CEE_LDIND_I);
9069 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, element_class));
9070 mono_mb_emit_byte (mb, CEE_LDIND_I);
9071 mono_mb_emit_stloc (mb, aklass);
9073 /* vklass = value->vtable->klass */
9074 mono_mb_emit_ldarg (mb, 2);
9075 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
9076 mono_mb_emit_byte (mb, CEE_LDIND_I);
9077 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, klass));
9078 mono_mb_emit_byte (mb, CEE_LDIND_I);
9079 mono_mb_emit_stloc (mb, vklass);
9081 /* if (vklass->idepth < aklass->idepth) goto failue */
9082 mono_mb_emit_ldloc (mb, vklass);
9083 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
9084 mono_mb_emit_byte (mb, CEE_LDIND_U2);
9086 mono_mb_emit_ldloc (mb, aklass);
9087 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
9088 mono_mb_emit_byte (mb, CEE_LDIND_U2);
9090 b2 = mono_mb_emit_branch (mb, CEE_BLT_UN);
9092 /* if (vklass->supertypes [aklass->idepth - 1] != aklass) goto failure */
9093 mono_mb_emit_ldloc (mb, vklass);
9094 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, supertypes));
9095 mono_mb_emit_byte (mb, CEE_LDIND_I);
9097 mono_mb_emit_ldloc (mb, aklass);
9098 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
9099 mono_mb_emit_byte (mb, CEE_LDIND_U2);
9100 mono_mb_emit_icon (mb, 1);
9101 mono_mb_emit_byte (mb, CEE_SUB);
9102 mono_mb_emit_icon (mb, sizeof (void*));
9103 mono_mb_emit_byte (mb, CEE_MUL);
9104 mono_mb_emit_byte (mb, CEE_ADD);
9105 mono_mb_emit_byte (mb, CEE_LDIND_I);
9107 mono_mb_emit_ldloc (mb, aklass);
9109 b3 = mono_mb_emit_branch (mb, CEE_BNE_UN);
9113 mono_mb_patch_branch (mb, b1);
9114 mono_mb_emit_ldloc (mb, array_slot_addr);
9115 mono_mb_emit_ldarg (mb, 2);
9116 mono_mb_emit_byte (mb, CEE_STIND_REF);
9118 mono_mb_emit_byte (mb, CEE_RET);
9121 mono_mb_patch_branch (mb, b2);
9122 mono_mb_patch_branch (mb, b3);
9124 mono_mb_emit_ldarg (mb, 2);
9125 mono_mb_emit_ldloc (mb, aklass);
9126 mono_mb_emit_icall (mb, mono_object_isinst);
9128 b4 = mono_mb_emit_branch (mb, CEE_BRTRUE);
9129 mono_mb_patch_addr (mb, b4, copy_pos - (b4 + 4));
9130 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
9132 mono_mb_emit_byte (mb, CEE_RET);
9133 ret = mono_mb_create_method (mb, sig, 4);
9144 /* LOCKING: vars accessed under the marshal lock */
9145 static ArrayElemAddr *elem_addr_cache = NULL;
9146 static int elem_addr_cache_size = 0;
9147 static int elem_addr_cache_next = 0;
9150 * mono_marshal_get_array_address:
9151 * @rank: rank of the array type
9152 * @elem_size: size in bytes of an element of an array.
9154 * Returns a MonoMethd that implements the code to get the address
9155 * of an element in a multi-dimenasional array of @rank dimensions.
9156 * The returned method takes an array as the first argument and then
9157 * @rank indexes for the @rank dimensions.
9160 mono_marshal_get_array_address (int rank, int elem_size)
9163 MonoMethodBuilder *mb;
9164 MonoMethodSignature *sig;
9165 int i, bounds, ind, realidx;
9166 int branch_pos, *branch_positions;
9170 mono_marshal_lock ();
9171 for (i = 0; i < elem_addr_cache_next; ++i) {
9172 if (elem_addr_cache [i].rank == rank && elem_addr_cache [i].elem_size == elem_size) {
9173 ret = elem_addr_cache [i].method;
9177 mono_marshal_unlock ();
9181 branch_positions = g_new0 (int, rank);
9183 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1 + rank);
9185 /* void* address (void* array, int idx0, int idx1, int idx2, ...) */
9186 sig->ret = &mono_defaults.int_class->byval_arg;
9187 sig->params [0] = &mono_defaults.object_class->byval_arg;
9188 for (i = 0; i < rank; ++i) {
9189 sig->params [i + 1] = &mono_defaults.int32_class->byval_arg;
9192 mb = mono_mb_new (mono_defaults.object_class, "ElementAddr", MONO_WRAPPER_MANAGED_TO_MANAGED);
9194 bounds = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9195 ind = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
9196 realidx = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
9198 /* bounds = array->bounds; */
9199 mono_mb_emit_ldarg (mb, 0);
9200 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoArray, bounds));
9201 mono_mb_emit_byte (mb, CEE_LDIND_I);
9202 mono_mb_emit_stloc (mb, bounds);
9204 /* ind is the overall element index, realidx is the partial index in a single dimension */
9205 /* ind = idx0 - bounds [0].lower_bound */
9206 mono_mb_emit_ldarg (mb, 1);
9207 mono_mb_emit_ldloc (mb, bounds);
9208 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArrayBounds, lower_bound));
9209 mono_mb_emit_byte (mb, CEE_ADD);
9210 mono_mb_emit_byte (mb, CEE_LDIND_I4);
9211 mono_mb_emit_byte (mb, CEE_SUB);
9212 mono_mb_emit_stloc (mb, ind);
9213 /* if (ind >= bounds [0].length) goto exeception; */
9214 mono_mb_emit_ldloc (mb, ind);
9215 mono_mb_emit_ldloc (mb, bounds);
9216 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArrayBounds, length));
9217 mono_mb_emit_byte (mb, CEE_ADD);
9218 mono_mb_emit_byte (mb, CEE_LDIND_I4);
9219 /* note that we use unsigned comparison */
9220 branch_pos = mono_mb_emit_branch (mb, CEE_BGE_UN);
9222 /* For large ranks (> 4?) use a loop n IL later to reduce code size.
9223 * We could also decide to ignore the passed elem_size and get it
9224 * from the array object, to reduce the number of methods we generate:
9225 * the additional cost is 3 memory loads and a non-immediate mul.
9227 for (i = 1; i < rank; ++i) {
9228 /* realidx = idxi - bounds [i].lower_bound */
9229 mono_mb_emit_ldarg (mb, 1 + i);
9230 mono_mb_emit_ldloc (mb, bounds);
9231 mono_mb_emit_icon (mb, (i * sizeof (MonoArrayBounds)) + G_STRUCT_OFFSET (MonoArrayBounds, lower_bound));
9232 mono_mb_emit_byte (mb, CEE_ADD);
9233 mono_mb_emit_byte (mb, CEE_LDIND_I4);
9234 mono_mb_emit_byte (mb, CEE_SUB);
9235 mono_mb_emit_stloc (mb, realidx);
9236 /* if (realidx >= bounds [i].length) goto exeception; */
9237 mono_mb_emit_ldloc (mb, realidx);
9238 mono_mb_emit_ldloc (mb, bounds);
9239 mono_mb_emit_icon (mb, (i * sizeof (MonoArrayBounds)) + G_STRUCT_OFFSET (MonoArrayBounds, length));
9240 mono_mb_emit_byte (mb, CEE_ADD);
9241 mono_mb_emit_byte (mb, CEE_LDIND_I4);
9242 branch_positions [i] = mono_mb_emit_branch (mb, CEE_BGE_UN);
9243 /* ind = ind * bounds [i].length + realidx */
9244 mono_mb_emit_ldloc (mb, ind);
9245 mono_mb_emit_ldloc (mb, bounds);
9246 mono_mb_emit_icon (mb, (i * sizeof (MonoArrayBounds)) + G_STRUCT_OFFSET (MonoArrayBounds, length));
9247 mono_mb_emit_byte (mb, CEE_ADD);
9248 mono_mb_emit_byte (mb, CEE_LDIND_I4);
9249 mono_mb_emit_byte (mb, CEE_MUL);
9250 mono_mb_emit_ldloc (mb, realidx);
9251 mono_mb_emit_byte (mb, CEE_ADD);
9252 mono_mb_emit_stloc (mb, ind);
9255 /* return array->vector + ind * element_size */
9256 mono_mb_emit_ldarg (mb, 0);
9257 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoArray, vector));
9258 mono_mb_emit_ldloc (mb, ind);
9259 mono_mb_emit_icon (mb, elem_size);
9260 mono_mb_emit_byte (mb, CEE_MUL);
9261 mono_mb_emit_byte (mb, CEE_ADD);
9262 mono_mb_emit_byte (mb, CEE_RET);
9264 /* patch the branches to get here and throw */
9265 for (i = 1; i < rank; ++i) {
9266 mono_mb_patch_branch (mb, branch_positions [i]);
9268 mono_mb_patch_branch (mb, branch_pos);
9269 /* throw exception */
9270 mono_mb_emit_exception (mb, "IndexOutOfRangeException", NULL);
9272 g_free (branch_positions);
9273 mono_loader_lock ();
9274 ret = mono_mb_create_method (mb, sig, 4);
9275 mono_loader_unlock ();
9278 /* cache the result */
9280 mono_marshal_lock ();
9281 for (i = 0; i < elem_addr_cache_next; ++i) {
9282 if (elem_addr_cache [i].rank == rank && elem_addr_cache [i].elem_size == elem_size) {
9283 /* FIXME: free ret */
9284 ret = elem_addr_cache [i].method;
9290 if (elem_addr_cache_next >= elem_addr_cache_size) {
9291 int new_size = elem_addr_cache_size + 4;
9292 ArrayElemAddr *new_array = g_new0 (ArrayElemAddr, new_size);
9293 memcpy (new_array, elem_addr_cache, elem_addr_cache_size * sizeof (ArrayElemAddr));
9294 g_free (elem_addr_cache);
9295 elem_addr_cache = new_array;
9296 elem_addr_cache_size = new_size;
9298 elem_addr_cache [elem_addr_cache_next].rank = rank;
9299 elem_addr_cache [elem_addr_cache_next].elem_size = elem_size;
9300 elem_addr_cache [elem_addr_cache_next].method = ret;
9302 mono_marshal_unlock ();
9307 mono_marshal_get_write_barrier (void)
9309 static MonoMethod* ret = NULL;
9310 MonoMethodSignature *sig;
9311 MonoMethodBuilder *mb;
9317 mb = mono_mb_new (mono_defaults.object_class, "writebarrier", MONO_WRAPPER_WRITE_BARRIER);
9319 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 2);
9321 /* void writebarrier (MonoObject** addr, MonoObject* obj) */
9322 sig->ret = &mono_defaults.void_class->byval_arg;
9323 sig->params [0] = &mono_defaults.object_class->this_arg;
9324 sig->params [1] = &mono_defaults.object_class->byval_arg;
9326 /* just the store right now: add an hook for the GC to use, maybe something
9327 * that can be used for stelemref as well
9328 * We need a write barrier variant to be used with struct copies as well, though
9329 * there are also other approaches possible, like writing a wrapper specific to
9330 * the struct or to the reference pattern in the struct...
9331 * Depending on the GC, we may want variants that take the object we store to
9332 * when it is available.
9334 mono_mb_emit_ldarg (mb, 0);
9335 mono_mb_emit_ldarg (mb, 1);
9336 mono_mb_emit_icall (mb, mono_gc_wbarrier_generic_store);
9337 /*mono_mb_emit_byte (mb, CEE_STIND_REF);*/
9339 mono_mb_emit_byte (mb, CEE_RET);
9341 ret = mono_mb_create_method (mb, sig, max_stack);
9347 mono_marshal_alloc (gulong size)
9351 #ifdef PLATFORM_WIN32
9352 res = CoTaskMemAlloc (size);
9354 res = g_try_malloc ((gulong)size);
9356 mono_gc_out_of_memory ((gulong)size);
9362 mono_marshal_free (gpointer ptr)
9364 #ifdef PLATFORM_WIN32
9365 CoTaskMemFree (ptr);
9372 mono_marshal_free_array (gpointer *ptr, int size)
9379 for (i = 0; i < size; i++)
9385 mono_marshal_realloc (gpointer ptr, gpointer size)
9387 MONO_ARCH_SAVE_REGS;
9389 return g_try_realloc (ptr, (gulong)size);
9393 mono_marshal_string_to_utf16 (MonoString *s)
9395 return s ? mono_string_chars (s) : NULL;
9399 * mono_marshal_set_last_error:
9401 * This function is invoked to set the last error value from a P/Invoke call
9402 * which has SetLastError set.
9405 mono_marshal_set_last_error (void)
9408 TlsSetValue (last_error_tls_id, GINT_TO_POINTER (GetLastError ()));
9410 TlsSetValue (last_error_tls_id, GINT_TO_POINTER (errno));
9415 mono_marshal_set_last_error_windows (int error)
9418 TlsSetValue (last_error_tls_id, GINT_TO_POINTER (error));
9423 ves_icall_System_Runtime_InteropServices_Marshal_copy_to_unmanaged (MonoArray *src, gint32 start_index,
9424 gpointer dest, gint32 length)
9429 MONO_ARCH_SAVE_REGS;
9431 MONO_CHECK_ARG_NULL (src);
9432 MONO_CHECK_ARG_NULL (dest);
9434 if (src->obj.vtable->klass->rank != 1)
9435 mono_raise_exception (mono_get_exception_argument ("array", "array is multi-dimensional"));
9436 if (start_index < 0)
9437 mono_raise_exception (mono_get_exception_argument ("startIndex", "Must be >= 0"));
9439 mono_raise_exception (mono_get_exception_argument ("length", "Must be >= 0"));
9440 if (start_index + length > mono_array_length (src))
9441 mono_raise_exception (mono_get_exception_argument ("length", "start_index + length > array length"));
9443 element_size = mono_array_element_size (src->obj.vtable->klass);
9445 /* no references should be involved */
9446 source_addr = mono_array_addr_with_size (src, element_size, start_index);
9448 memcpy (dest, source_addr, length * element_size);
9452 ves_icall_System_Runtime_InteropServices_Marshal_copy_from_unmanaged (gpointer src, gint32 start_index,
9453 MonoArray *dest, gint32 length)
9458 MONO_ARCH_SAVE_REGS;
9460 MONO_CHECK_ARG_NULL (src);
9461 MONO_CHECK_ARG_NULL (dest);
9463 if (dest->obj.vtable->klass->rank != 1)
9464 mono_raise_exception (mono_get_exception_argument ("array", "array is multi-dimensional"));
9465 if (start_index < 0)
9466 mono_raise_exception (mono_get_exception_argument ("startIndex", "Must be >= 0"));
9468 mono_raise_exception (mono_get_exception_argument ("length", "Must be >= 0"));
9469 if (start_index + length > mono_array_length (dest))
9470 mono_raise_exception (mono_get_exception_argument ("length", "start_index + length > array length"));
9472 element_size = mono_array_element_size (dest->obj.vtable->klass);
9474 /* no references should be involved */
9475 dest_addr = mono_array_addr_with_size (dest, element_size, start_index);
9477 memcpy (dest_addr, src, length * element_size);
9480 #if NO_UNALIGNED_ACCESS
9481 #define RETURN_UNALIGNED(type, addr) \
9484 memcpy(&val, p + offset, sizeof(val)); \
9487 #define WRITE_UNALIGNED(type, addr, val) \
9488 memcpy(addr, &val, sizeof(type))
9490 #define RETURN_UNALIGNED(type, addr) \
9491 return *(type*)(p + offset);
9492 #define WRITE_UNALIGNED(type, addr, val) \
9493 (*(type *)(addr) = (val))
9497 ves_icall_System_Runtime_InteropServices_Marshal_ReadIntPtr (gpointer ptr, gint32 offset)
9501 MONO_ARCH_SAVE_REGS;
9503 RETURN_UNALIGNED(gpointer, p + offset);
9507 ves_icall_System_Runtime_InteropServices_Marshal_ReadByte (gpointer ptr, gint32 offset)
9511 MONO_ARCH_SAVE_REGS;
9513 return *(unsigned char*)(p + offset);
9517 ves_icall_System_Runtime_InteropServices_Marshal_ReadInt16 (gpointer ptr, gint32 offset)
9521 MONO_ARCH_SAVE_REGS;
9523 RETURN_UNALIGNED(gint16, p + offset);
9527 ves_icall_System_Runtime_InteropServices_Marshal_ReadInt32 (gpointer ptr, gint32 offset)
9531 MONO_ARCH_SAVE_REGS;
9533 RETURN_UNALIGNED(gint32, p + offset);
9537 ves_icall_System_Runtime_InteropServices_Marshal_ReadInt64 (gpointer ptr, gint32 offset)
9541 MONO_ARCH_SAVE_REGS;
9543 RETURN_UNALIGNED(gint64, p + offset);
9547 ves_icall_System_Runtime_InteropServices_Marshal_WriteByte (gpointer ptr, gint32 offset, unsigned char val)
9551 MONO_ARCH_SAVE_REGS;
9553 *(unsigned char*)(p + offset) = val;
9557 ves_icall_System_Runtime_InteropServices_Marshal_WriteIntPtr (gpointer ptr, gint32 offset, gpointer val)
9561 MONO_ARCH_SAVE_REGS;
9563 WRITE_UNALIGNED(gpointer, p + offset, val);
9567 ves_icall_System_Runtime_InteropServices_Marshal_WriteInt16 (gpointer ptr, gint32 offset, gint16 val)
9571 MONO_ARCH_SAVE_REGS;
9573 WRITE_UNALIGNED(gint16, p + offset, val);
9577 ves_icall_System_Runtime_InteropServices_Marshal_WriteInt32 (gpointer ptr, gint32 offset, gint32 val)
9581 MONO_ARCH_SAVE_REGS;
9583 WRITE_UNALIGNED(gint32, p + offset, val);
9587 ves_icall_System_Runtime_InteropServices_Marshal_WriteInt64 (gpointer ptr, gint32 offset, gint64 val)
9591 MONO_ARCH_SAVE_REGS;
9593 WRITE_UNALIGNED(gint64, p + offset, val);
9597 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringAnsi (char *ptr)
9599 MONO_ARCH_SAVE_REGS;
9604 return mono_string_new (mono_domain_get (), ptr);
9608 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringAnsi_len (char *ptr, gint32 len)
9610 MONO_ARCH_SAVE_REGS;
9613 mono_raise_exception (mono_get_exception_argument_null ("ptr"));
9614 g_assert_not_reached ();
9617 return mono_string_new_len (mono_domain_get (), ptr, len);
9622 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringUni (guint16 *ptr)
9624 MonoDomain *domain = mono_domain_get ();
9628 MONO_ARCH_SAVE_REGS;
9636 return mono_string_new_utf16 (domain, ptr, len);
9640 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringUni_len (guint16 *ptr, gint32 len)
9642 MonoDomain *domain = mono_domain_get ();
9644 MONO_ARCH_SAVE_REGS;
9647 mono_raise_exception (mono_get_exception_argument_null ("ptr"));
9648 g_assert_not_reached ();
9651 return mono_string_new_utf16 (domain, ptr, len);
9656 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringBSTR (gpointer ptr)
9658 MONO_ARCH_SAVE_REGS;
9660 return mono_string_from_bstr(ptr);
9664 ves_icall_System_Runtime_InteropServices_Marshal_StringToBSTR (MonoString* ptr)
9666 MONO_ARCH_SAVE_REGS;
9668 return mono_string_to_bstr(ptr);
9671 // STDCALL on windows, CDECL everywhere else to work with XPCOM and MainWin COM
9672 #ifdef PLATFORM_WIN32
9674 #define STDCALL __stdcall
9676 #define STDCALL __attribute__((stdcall))
9684 int (STDCALL *QueryInterface)(gpointer pUnk, gpointer riid, gpointer* ppv);
9685 int (STDCALL *AddRef)(gpointer pUnk);
9686 int (STDCALL *Release)(gpointer pUnk);
9690 ves_icall_System_Runtime_InteropServices_Marshal_FreeBSTR (gpointer ptr)
9692 MONO_ARCH_SAVE_REGS;
9694 mono_free_bstr (ptr);
9698 ves_icall_System_Runtime_InteropServices_Marshal_AddRef (gpointer pUnk)
9700 MONO_ARCH_SAVE_REGS;
9702 return (*(MonoIUnknown**)pUnk)->AddRef(pUnk);
9706 ves_icall_System_Runtime_InteropServices_Marshal_QueryInterface (gpointer pUnk, gpointer riid, gpointer* ppv)
9708 MONO_ARCH_SAVE_REGS;
9710 return (*(MonoIUnknown**)pUnk)->QueryInterface(pUnk, riid, ppv);
9714 ves_icall_System_Runtime_InteropServices_Marshal_Release (gpointer pUnk)
9716 MONO_ARCH_SAVE_REGS;
9718 return (*(MonoIUnknown**)pUnk)->Release(pUnk);
9722 ves_icall_System_Runtime_InteropServices_Marshal_GetComSlotForMethodInfoInternal (MonoReflectionMethod *m)
9724 MONO_ARCH_SAVE_REGS;
9726 return cominterop_get_com_slot_for_method (m->method);
9730 ves_icall_System_Runtime_InteropServices_Marshal_GetLastWin32Error (void)
9732 MONO_ARCH_SAVE_REGS;
9734 return (GPOINTER_TO_INT (TlsGetValue (last_error_tls_id)));
9738 ves_icall_System_Runtime_InteropServices_Marshal_SizeOf (MonoReflectionType *rtype)
9744 MONO_ARCH_SAVE_REGS;
9746 MONO_CHECK_ARG_NULL (rtype);
9749 klass = mono_class_from_mono_type (type);
9750 layout = (klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK);
9752 if (layout == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
9756 msg = g_strdup_printf ("Type %s cannot be marshaled as an unmanaged structure.", klass->name);
9757 exc = mono_get_exception_argument ("t", msg);
9759 mono_raise_exception (exc);
9763 return mono_class_native_size (klass, NULL);
9767 ves_icall_System_Runtime_InteropServices_Marshal_StructureToPtr (MonoObject *obj, gpointer dst, MonoBoolean delete_old)
9772 MONO_ARCH_SAVE_REGS;
9774 MONO_CHECK_ARG_NULL (obj);
9775 MONO_CHECK_ARG_NULL (dst);
9777 method = mono_marshal_get_struct_to_ptr (obj->vtable->klass);
9781 pa [2] = &delete_old;
9783 mono_runtime_invoke (method, NULL, pa, NULL);
9787 ptr_to_structure (gpointer src, MonoObject *dst)
9792 method = mono_marshal_get_ptr_to_struct (dst->vtable->klass);
9797 mono_runtime_invoke (method, NULL, pa, NULL);
9801 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure (gpointer src, MonoObject *dst)
9805 MONO_ARCH_SAVE_REGS;
9807 MONO_CHECK_ARG_NULL (src);
9808 MONO_CHECK_ARG_NULL (dst);
9810 t = mono_type_get_underlying_type (mono_class_get_type (dst->vtable->klass));
9812 if (t->type == MONO_TYPE_VALUETYPE) {
9816 tmp = g_strdup_printf ("Destination is a boxed value type.");
9817 exc = mono_get_exception_argument ("dst", tmp);
9820 mono_raise_exception (exc);
9824 ptr_to_structure (src, dst);
9828 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure_type (gpointer src, MonoReflectionType *type)
9830 MonoDomain *domain = mono_domain_get ();
9833 MONO_ARCH_SAVE_REGS;
9835 MONO_CHECK_ARG_NULL (src);
9836 MONO_CHECK_ARG_NULL (type);
9838 res = mono_object_new (domain, mono_class_from_mono_type (type->type));
9840 ptr_to_structure (src, res);
9846 ves_icall_System_Runtime_InteropServices_Marshal_OffsetOf (MonoReflectionType *type, MonoString *field_name)
9848 MonoMarshalType *info;
9851 int match_index = -1;
9853 MONO_ARCH_SAVE_REGS;
9855 MONO_CHECK_ARG_NULL (type);
9856 MONO_CHECK_ARG_NULL (field_name);
9858 fname = mono_string_to_utf8 (field_name);
9859 klass = mono_class_from_mono_type (type->type);
9861 while (klass && match_index == -1) {
9862 MonoClassField* field;
9864 gpointer iter = NULL;
9865 while ((field = mono_class_get_fields (klass, &iter))) {
9866 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
9868 if (!strcmp (fname, field->name)) {
9875 if (match_index == -1)
9876 klass = klass->parent;
9881 if(match_index == -1) {
9885 /* Get back original class instance */
9886 klass = mono_class_from_mono_type (type->type);
9888 tmp = g_strdup_printf ("Field passed in is not a marshaled member of the type %s", klass->name);
9889 exc = mono_get_exception_argument ("fieldName", tmp);
9892 mono_raise_exception ((MonoException*)exc);
9895 info = mono_marshal_load_type_info (klass);
9896 return info->fields [match_index].offset;
9900 ves_icall_System_Runtime_InteropServices_Marshal_StringToHGlobalAnsi (MonoString *string)
9902 MONO_ARCH_SAVE_REGS;
9904 return mono_string_to_utf8 (string);
9908 ves_icall_System_Runtime_InteropServices_Marshal_StringToHGlobalUni (MonoString *string)
9910 MONO_ARCH_SAVE_REGS;
9915 gunichar2 *res = g_malloc ((mono_string_length (string) + 1) * 2);
9916 memcpy (res, mono_string_chars (string), mono_string_length (string) * 2);
9917 res [mono_string_length (string)] = 0;
9923 mono_struct_delete_old (MonoClass *klass, char *ptr)
9925 MonoMarshalType *info;
9928 info = mono_marshal_load_type_info (klass);
9930 for (i = 0; i < info->num_fields; i++) {
9931 MonoMarshalNative ntype;
9932 MonoMarshalConv conv;
9933 MonoType *ftype = info->fields [i].field->type;
9936 if (ftype->attrs & FIELD_ATTRIBUTE_STATIC)
9939 ntype = mono_type_to_unmanaged (ftype, info->fields [i].mspec, TRUE,
9940 klass->unicode, &conv);
9942 cpos = ptr + info->fields [i].offset;
9945 case MONO_MARSHAL_CONV_NONE:
9946 if (MONO_TYPE_ISSTRUCT (ftype)) {
9947 mono_struct_delete_old (ftype->data.klass, cpos);
9951 case MONO_MARSHAL_CONV_STR_LPWSTR:
9952 /* We assume this field points inside a MonoString */
9954 case MONO_MARSHAL_CONV_STR_LPSTR:
9955 case MONO_MARSHAL_CONV_STR_LPTSTR:
9956 case MONO_MARSHAL_CONV_STR_BSTR:
9957 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
9958 case MONO_MARSHAL_CONV_STR_TBSTR:
9959 mono_marshal_free (*(gpointer *)cpos);
9969 ves_icall_System_Runtime_InteropServices_Marshal_DestroyStructure (gpointer src, MonoReflectionType *type)
9973 MONO_ARCH_SAVE_REGS;
9975 MONO_CHECK_ARG_NULL (src);
9976 MONO_CHECK_ARG_NULL (type);
9978 klass = mono_class_from_mono_type (type->type);
9980 mono_struct_delete_old (klass, (char *)src);
9984 ves_icall_System_Runtime_InteropServices_Marshal_AllocHGlobal (int size)
9988 MONO_ARCH_SAVE_REGS;
9990 if ((gulong)size == 0)
9991 /* This returns a valid pointer for size 0 on MS.NET */
9994 #ifdef PLATFORM_WIN32
9995 res = GlobalAlloc (GMEM_FIXED, (gulong)size);
9997 res = g_try_malloc ((gulong)size);
10000 mono_gc_out_of_memory ((gulong)size);
10006 ves_icall_System_Runtime_InteropServices_Marshal_FreeHGlobal (void *ptr)
10008 MONO_ARCH_SAVE_REGS;
10010 #ifdef PLATFORM_WIN32
10018 ves_icall_System_Runtime_InteropServices_Marshal_AllocCoTaskMem (int size)
10020 MONO_ARCH_SAVE_REGS;
10022 #ifdef PLATFORM_WIN32
10023 return CoTaskMemAlloc (size);
10025 return g_try_malloc ((gulong)size);
10030 ves_icall_System_Runtime_InteropServices_Marshal_FreeCoTaskMem (void *ptr)
10032 MONO_ARCH_SAVE_REGS;
10034 #ifdef PLATFORM_WIN32
10035 CoTaskMemFree (ptr);
10042 ves_icall_System_Runtime_InteropServices_Marshal_ReAllocCoTaskMem (gpointer ptr, int size)
10044 MONO_ARCH_SAVE_REGS;
10046 #ifdef PLATFORM_WIN32
10047 return CoTaskMemRealloc (ptr, size);
10049 return g_try_realloc (ptr, (gulong)size);
10054 ves_icall_System_Runtime_InteropServices_Marshal_UnsafeAddrOfPinnedArrayElement (MonoArray *arrayobj, int index)
10056 return mono_array_addr_with_size (arrayobj, mono_array_element_size (arrayobj->obj.vtable->klass), index);
10060 ves_icall_System_Runtime_InteropServices_Marshal_GetDelegateForFunctionPointerInternal (void *ftn, MonoReflectionType *type)
10062 return mono_ftnptr_to_delegate (mono_type_get_class (type->type), ftn);
10065 /* Only used for COM RCWs */
10067 ves_icall_System_ComObject_CreateRCW (MonoReflectionType *type)
10070 MonoDomain *domain;
10073 MONO_ARCH_SAVE_REGS;
10075 domain = mono_object_domain (type);
10076 klass = mono_class_from_mono_type (type->type);
10078 /* call mono_object_new_alloc_specific instead of mono_object_new
10079 * because we want to actually create object. mono_object_new checks
10080 * to see if type is import and creates transparent proxy. this method
10081 * is called by the corresponding real proxy to create the real RCW.
10082 * Constructor does not need to be called. Will be called later.
10084 obj = mono_object_new_alloc_specific (mono_class_vtable (domain, klass));
10089 cominterop_finalizer (gpointer key, gpointer value, gpointer user_data)
10091 ves_icall_System_Runtime_InteropServices_Marshal_Release (value);
10096 ves_icall_System_ComObject_Finalizer(MonoComObject* obj)
10100 g_hash_table_foreach_remove (obj->itf_hash, cominterop_finalizer, NULL);
10101 obj->itf_hash = NULL;
10104 #define MONO_IUNKNOWN_INTERFACE_SLOT 0
10107 ves_icall_System_ComObject_FindInterface (MonoComObject* obj, MonoReflectionType* type)
10111 g_assert(obj->itf_hash);
10113 klass = mono_class_from_mono_type (type->type);
10115 return g_hash_table_lookup (obj->itf_hash, GUINT_TO_POINTER ((guint)klass->interface_id));
10119 ves_icall_System_ComObject_CacheInterface (MonoComObject* obj, MonoReflectionType* type, gpointer pItf)
10123 g_assert(obj->itf_hash);
10125 klass = mono_class_from_mono_type (type->type);
10127 g_hash_table_insert (obj->itf_hash, GUINT_TO_POINTER ((guint)klass->interface_id), pItf);
10131 ves_icall_System_ComObject_GetIUnknown (MonoComObject* obj)
10134 if (!obj->itf_hash)
10136 return g_hash_table_lookup (obj->itf_hash, MONO_IUNKNOWN_INTERFACE_SLOT);
10140 ves_icall_System_ComObject_SetIUnknown (MonoComObject* obj, gpointer pUnk)
10143 g_assert(!obj->itf_hash);
10144 obj->itf_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
10145 g_hash_table_insert (obj->itf_hash, MONO_IUNKNOWN_INTERFACE_SLOT, pUnk);
10149 * mono_marshal_is_loading_type_info:
10151 * Return whenever mono_marshal_load_type_info () is being executed for KLASS by this
10155 mono_marshal_is_loading_type_info (MonoClass *klass)
10157 GSList *loads_list = TlsGetValue (load_type_info_tls_id);
10159 return g_slist_find (loads_list, klass) != NULL;
10163 * mono_marshal_load_type_info:
10165 * Initialize klass->marshal_info using information from metadata. This function can
10166 * recursively call itself, and the caller is responsible to avoid that by calling
10167 * mono_marshal_is_loading_type_info () beforehand.
10169 * LOCKING: Acquires the loader lock.
10172 mono_marshal_load_type_info (MonoClass* klass)
10175 guint32 native_size = 0, min_align = 1;
10176 MonoMarshalType *info;
10177 MonoClassField* field;
10180 GSList *loads_list;
10182 g_assert (klass != NULL);
10184 if (klass->marshal_info)
10185 return klass->marshal_info;
10187 if (!klass->inited)
10188 mono_class_init (klass);
10190 mono_loader_lock ();
10192 if (klass->marshal_info) {
10193 mono_loader_unlock ();
10194 return klass->marshal_info;
10198 * This function can recursively call itself, so we keep the list of classes which are
10199 * under initialization in a TLS list.
10201 g_assert (!mono_marshal_is_loading_type_info (klass));
10202 loads_list = TlsGetValue (load_type_info_tls_id);
10203 loads_list = g_slist_prepend (loads_list, klass);
10204 TlsSetValue (load_type_info_tls_id, loads_list);
10207 while ((field = mono_class_get_fields (klass, &iter))) {
10208 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
10210 if (mono_field_is_deleted (field))
10215 layout = klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK;
10217 /* The mempool is protected by the loader lock */
10218 info = mono_mempool_alloc0 (klass->image->mempool, sizeof (MonoMarshalType) + sizeof (MonoMarshalField) * count);
10219 info->num_fields = count;
10221 /* Try to find a size for this type in metadata */
10222 mono_metadata_packing_from_typedef (klass->image, klass->type_token, NULL, &native_size);
10224 if (klass->parent) {
10225 int parent_size = mono_class_native_size (klass->parent, NULL);
10227 /* Add parent size to real size */
10228 native_size += parent_size;
10229 info->native_size = parent_size;
10234 while ((field = mono_class_get_fields (klass, &iter))) {
10238 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
10241 if (mono_field_is_deleted (field))
10243 if (field->type->attrs & FIELD_ATTRIBUTE_HAS_FIELD_MARSHAL)
10244 mono_metadata_field_info (klass->image, mono_metadata_token_index (mono_class_get_field_token (field)) - 1,
10245 NULL, NULL, &info->fields [j].mspec);
10247 info->fields [j].field = field;
10249 if ((mono_class_num_fields (klass) == 1) && (klass->instance_size == sizeof (MonoObject)) &&
10250 (strcmp (field->name, "$PRIVATE$") == 0)) {
10251 /* This field is a hack inserted by MCS to empty structures */
10256 case TYPE_ATTRIBUTE_AUTO_LAYOUT:
10257 case TYPE_ATTRIBUTE_SEQUENTIAL_LAYOUT:
10258 size = mono_marshal_type_size (field->type, info->fields [j].mspec,
10259 &align, TRUE, klass->unicode);
10260 align = klass->packing_size ? MIN (klass->packing_size, align): align;
10261 min_align = MAX (align, min_align);
10262 info->fields [j].offset = info->native_size;
10263 info->fields [j].offset += align - 1;
10264 info->fields [j].offset &= ~(align - 1);
10265 info->native_size = info->fields [j].offset + size;
10267 case TYPE_ATTRIBUTE_EXPLICIT_LAYOUT:
10268 size = mono_marshal_type_size (field->type, info->fields [j].mspec,
10269 &align, TRUE, klass->unicode);
10270 align = klass->packing_size ? MIN (klass->packing_size, align): align;
10271 min_align = MAX (align, min_align);
10272 info->fields [j].offset = field->offset - sizeof (MonoObject);
10273 info->native_size = MAX (info->native_size, info->fields [j].offset + size);
10279 if(layout != TYPE_ATTRIBUTE_AUTO_LAYOUT) {
10280 info->native_size = MAX (native_size, info->native_size);
10283 if (info->native_size & (min_align - 1)) {
10284 info->native_size += min_align - 1;
10285 info->native_size &= ~(min_align - 1);
10288 /* Update the class's blittable info, if the layouts don't match */
10289 if (info->native_size != mono_class_value_size (klass, NULL))
10290 klass->blittable = FALSE;
10292 /* If this is an array type, ensure that we have element info */
10293 if (klass->element_class && !mono_marshal_is_loading_type_info (klass->element_class)) {
10294 mono_marshal_load_type_info (klass->element_class);
10297 loads_list = TlsGetValue (load_type_info_tls_id);
10298 loads_list = g_slist_remove (loads_list, klass);
10299 TlsSetValue (load_type_info_tls_id, loads_list);
10301 klass->marshal_info = info;
10303 mono_loader_unlock ();
10305 return klass->marshal_info;
10309 * mono_class_native_size:
10312 * Returns: the native size of an object instance (when marshaled
10313 * to unmanaged code)
10316 mono_class_native_size (MonoClass *klass, guint32 *align)
10318 if (!klass->marshal_info) {
10319 if (mono_marshal_is_loading_type_info (klass))
10322 mono_marshal_load_type_info (klass);
10326 *align = klass->min_align;
10328 return klass->marshal_info->native_size;
10332 * mono_type_native_stack_size:
10333 * @t: the type to return the size it uses on the stack
10335 * Returns: the number of bytes required to hold an instance of this
10336 * type on the native stack
10339 mono_type_native_stack_size (MonoType *t, guint32 *align)
10343 g_assert (t != NULL);
10354 case MONO_TYPE_BOOLEAN:
10355 case MONO_TYPE_CHAR:
10364 case MONO_TYPE_STRING:
10365 case MONO_TYPE_OBJECT:
10366 case MONO_TYPE_CLASS:
10367 case MONO_TYPE_SZARRAY:
10368 case MONO_TYPE_PTR:
10369 case MONO_TYPE_FNPTR:
10370 case MONO_TYPE_ARRAY:
10371 case MONO_TYPE_TYPEDBYREF:
10382 case MONO_TYPE_VALUETYPE: {
10385 if (t->data.klass->enumtype)
10386 return mono_type_native_stack_size (t->data.klass->enum_basetype, align);
10388 size = mono_class_native_size (t->data.klass, align);
10389 *align = *align + 3;
10399 g_error ("type 0x%02x unknown", t->type);
10404 /* __alignof__ returns the preferred alignment of values not the actual alignment used by
10405 the compiler so is wrong e.g. for Linux where doubles are aligned on a 4 byte boundary
10406 but __alignof__ returns 8 - using G_STRUCT_OFFSET works better */
10407 #define ALIGNMENT(type) G_STRUCT_OFFSET(struct { char c; type x; }, x)
10410 mono_marshal_type_size (MonoType *type, MonoMarshalSpec *mspec, guint32 *align,
10411 gboolean as_field, gboolean unicode)
10413 MonoMarshalNative native_type = mono_type_to_unmanaged (type, mspec, as_field, unicode, NULL);
10416 switch (native_type) {
10417 case MONO_NATIVE_BOOLEAN:
10420 case MONO_NATIVE_I1:
10421 case MONO_NATIVE_U1:
10424 case MONO_NATIVE_I2:
10425 case MONO_NATIVE_U2:
10426 case MONO_NATIVE_VARIANTBOOL:
10429 case MONO_NATIVE_I4:
10430 case MONO_NATIVE_U4:
10431 case MONO_NATIVE_ERROR:
10434 case MONO_NATIVE_I8:
10435 case MONO_NATIVE_U8:
10436 *align = ALIGNMENT(guint64);
10438 case MONO_NATIVE_R4:
10441 case MONO_NATIVE_R8:
10442 *align = ALIGNMENT(double);
10444 case MONO_NATIVE_INT:
10445 case MONO_NATIVE_UINT:
10446 case MONO_NATIVE_LPSTR:
10447 case MONO_NATIVE_LPWSTR:
10448 case MONO_NATIVE_LPTSTR:
10449 case MONO_NATIVE_BSTR:
10450 case MONO_NATIVE_ANSIBSTR:
10451 case MONO_NATIVE_TBSTR:
10452 case MONO_NATIVE_LPARRAY:
10453 case MONO_NATIVE_SAFEARRAY:
10454 case MONO_NATIVE_IUNKNOWN:
10455 case MONO_NATIVE_IDISPATCH:
10456 case MONO_NATIVE_INTERFACE:
10457 case MONO_NATIVE_ASANY:
10458 case MONO_NATIVE_FUNC:
10459 case MONO_NATIVE_LPSTRUCT:
10460 *align = ALIGNMENT(gpointer);
10461 return sizeof (gpointer);
10462 case MONO_NATIVE_STRUCT:
10463 klass = mono_class_from_mono_type (type);
10464 if (klass == mono_defaults.object_class &&
10465 (mspec && mspec->native == MONO_NATIVE_STRUCT)) {
10469 return mono_class_native_size (klass, align);
10470 case MONO_NATIVE_BYVALTSTR: {
10471 int esize = unicode ? 2: 1;
10474 return mspec->data.array_data.num_elem * esize;
10476 case MONO_NATIVE_BYVALARRAY: {
10477 // FIXME: Have to consider ArraySubType
10479 klass = mono_class_from_mono_type (type);
10480 if (klass->element_class == mono_defaults.char_class) {
10481 esize = unicode ? 2 : 1;
10484 esize = mono_class_native_size (klass->element_class, align);
10487 return mspec->data.array_data.num_elem * esize;
10489 case MONO_NATIVE_CUSTOM:
10490 g_assert_not_reached ();
10492 case MONO_NATIVE_CURRENCY:
10493 case MONO_NATIVE_VBBYREFSTR:
10495 g_error ("native type %02x not implemented", native_type);
10498 g_assert_not_reached ();
10503 mono_marshal_asany (MonoObject *o, MonoMarshalNative string_encoding, int param_attrs)
10511 t = &o->vtable->klass->byval_arg;
10515 case MONO_TYPE_PTR:
10518 case MONO_TYPE_BOOLEAN:
10521 case MONO_TYPE_CHAR:
10526 return mono_object_unbox (o);
10528 case MONO_TYPE_STRING:
10529 switch (string_encoding) {
10530 case MONO_NATIVE_LPWSTR:
10531 return mono_string_to_utf16 ((MonoString*)o);
10533 case MONO_NATIVE_LPSTR:
10534 return mono_string_to_lpstr ((MonoString*)o);
10537 g_warning ("marshaling conversion %d not implemented", string_encoding);
10538 g_assert_not_reached ();
10541 case MONO_TYPE_CLASS:
10542 case MONO_TYPE_VALUETYPE: {
10543 MonoMethod *method;
10546 MonoBoolean delete_old = FALSE;
10548 klass = t->data.klass;
10550 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT)
10553 if (klass->valuetype && (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
10554 klass->blittable || klass->enumtype))
10555 return mono_object_unbox (o);
10557 res = mono_marshal_alloc (mono_class_native_size (klass, NULL));
10559 if (!((param_attrs & PARAM_ATTRIBUTE_OUT) && !(param_attrs & PARAM_ATTRIBUTE_IN))) {
10560 method = mono_marshal_get_struct_to_ptr (o->vtable->klass);
10564 pa [2] = &delete_old;
10566 mono_runtime_invoke (method, NULL, pa, NULL);
10573 mono_raise_exception (mono_get_exception_argument ("", "No PInvoke conversion exists for value passed to Object-typed parameter."));
10579 mono_marshal_free_asany (MonoObject *o, gpointer ptr, MonoMarshalNative string_encoding, int param_attrs)
10587 t = &o->vtable->klass->byval_arg;
10589 case MONO_TYPE_STRING:
10590 switch (string_encoding) {
10591 case MONO_NATIVE_LPWSTR:
10592 case MONO_NATIVE_LPSTR:
10593 mono_marshal_free (ptr);
10596 g_warning ("marshaling conversion %d not implemented", string_encoding);
10597 g_assert_not_reached ();
10600 case MONO_TYPE_CLASS:
10601 case MONO_TYPE_VALUETYPE: {
10602 klass = t->data.klass;
10604 if (klass->valuetype && (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
10605 klass->blittable || klass->enumtype))
10608 if (param_attrs & PARAM_ATTRIBUTE_OUT) {
10609 MonoMethod *method = mono_marshal_get_ptr_to_struct (o->vtable->klass);
10615 mono_runtime_invoke (method, NULL, pa, NULL);
10618 if (!((param_attrs & PARAM_ATTRIBUTE_OUT) && !(param_attrs & PARAM_ATTRIBUTE_IN))) {
10619 mono_struct_delete_old (klass, ptr);
10622 mono_marshal_free (ptr);
10631 mono_marshal_get_generic_array_helper (MonoClass *class, MonoClass *iface, gchar *name, MonoMethod *method)
10633 MonoMethodSignature *sig, *csig;
10634 MonoMethodBuilder *mb;
10638 mb = mono_mb_new (class, name, MONO_WRAPPER_MANAGED_TO_MANAGED);
10639 mb->method->slot = -1;
10641 mb->method->flags = METHOD_ATTRIBUTE_PRIVATE | METHOD_ATTRIBUTE_VIRTUAL |
10642 METHOD_ATTRIBUTE_NEW_SLOT | METHOD_ATTRIBUTE_HIDE_BY_SIG | METHOD_ATTRIBUTE_FINAL;
10644 sig = mono_method_signature (method);
10645 csig = signature_dup (method->klass->image, sig);
10646 csig->generic_param_count = 0;
10648 mono_mb_emit_ldarg (mb, 0);
10649 for (i = 0; i < csig->param_count; i++)
10650 mono_mb_emit_ldarg (mb, i + 1);
10651 mono_mb_emit_managed_call (mb, method, NULL);
10652 mono_mb_emit_byte (mb, CEE_RET);
10654 res = mono_mb_create_method (mb, csig, csig->param_count + 16);