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);
158 register_icall (gpointer func, const char *name, const char *sigstr, gboolean save)
160 MonoMethodSignature *sig = mono_create_icall_signature (sigstr);
162 mono_register_jit_icall (func, name, sig, save);
165 static MonoMethodSignature*
166 signature_dup (MonoImage *image, MonoMethodSignature *sig)
168 MonoMethodSignature *res;
171 sigsize = sizeof (MonoMethodSignature) + ((sig->param_count - MONO_ZERO_LEN_ARRAY) * sizeof (MonoType *));
173 res = mono_mempool_alloc (image->mempool, sigsize);
174 mono_loader_unlock ();
175 memcpy (res, sig, sigsize);
180 static MonoMethodSignature*
181 signature_no_pinvoke (MonoMethod *method)
183 MonoMethodSignature *sig = mono_method_signature (method);
185 sig = signature_dup (method->klass->image, sig);
186 sig->pinvoke = FALSE;
193 * signature_cominterop:
195 * @sig: managed method signature
197 * Returns: the corresponding unmanaged method signature for a managed COM
200 static MonoMethodSignature*
201 signature_cominterop (MonoImage *image, MonoMethodSignature *sig)
203 MonoMethodSignature *res;
206 int param_count = sig->param_count + 1; // convert this arg into IntPtr arg
208 if (!MONO_TYPE_IS_VOID (sig->ret))
211 sigsize = sizeof (MonoMethodSignature) + ((param_count - MONO_ZERO_LEN_ARRAY) * sizeof (MonoType *));
213 res = mono_mempool_alloc (image->mempool, sigsize);
214 mono_loader_unlock ();
215 memcpy (res, sig, sigsize);
217 // now move args forward one
218 for (i = sig->param_count-1; i >= 0; i--)
219 res->params[i+1] = sig->params[i];
221 // first arg is interface pointer
222 res->params[0] = &mono_defaults.int_class->byval_arg;
224 // last arg is return type
225 if (!MONO_TYPE_IS_VOID (sig->ret)) {
226 res->params[param_count-1] = mono_metadata_type_dup_mp (image, sig->ret);
227 res->params[param_count-1]->byref = 1;
228 res->params[param_count-1]->attrs = PARAM_ATTRIBUTE_OUT;
232 res->pinvoke = FALSE;
238 res->param_count = param_count;
240 // return type is always int32 (HRESULT)
241 res->ret = &mono_defaults.int32_class->byval_arg;
243 // STDCALL on windows, CDECL everywhere else to work with XPCOM and MainWin COM
244 #ifdef PLATFORM_WIN32
245 res->call_convention = MONO_CALL_STDCALL;
247 res->call_convention = MONO_CALL_C;
254 * cominterop_get_function_pointer:
255 * @itf: a pointer to the COM interface
256 * @slot: the vtable slot of the method pointer to return
258 * Returns: the unmanaged vtable function pointer from the interface
261 cominterop_get_function_pointer (gpointer itf, int slot)
264 func = *((*(gpointer**)itf)+slot);
269 * cominterop_object_is_com_object:
270 * @obj: a pointer to the object
272 * Returns: a value indicating if the object is a
273 * Runtime Callable Wrapper (RCW) for a COM object
276 cominterop_object_is_rcw (MonoObject *obj)
278 MonoClass *klass = NULL;
279 MonoRealProxy* real_proxy = NULL;
282 klass = mono_object_class (obj);
283 if (klass != mono_defaults.transparent_proxy_class)
286 real_proxy = ((MonoTransparentProxy*)obj)->rp;
290 klass = mono_object_class (real_proxy);
291 return (klass && klass == mono_defaults.com_interop_proxy_class);
295 * cominterop_get_com_slot_for_method:
298 * Returns: the method's slot in the COM interface vtable
301 cominterop_get_com_slot_for_method (MonoMethod* method)
303 static MonoClass *interface_type_attribute = NULL;
304 MonoInterfaceTypeAttribute* itf_attr = NULL;
305 MonoCustomAttrInfo *cinfo = NULL;
307 guint32 slot = method->slot;
309 MonoClass *ic = NULL;
312 ifaces = mono_class_get_implemented_interfaces (method->klass);
315 for (i = 0; i < ifaces->len; ++i) {
316 ic = g_ptr_array_index (ifaces, i);
317 offset = method->klass->interface_offsets[ic->interface_id];
318 if (method->slot >= offset && method->slot < offset + ic->method.count) {
323 g_ptr_array_free (ifaces, TRUE);
330 g_assert (MONO_CLASS_IS_INTERFACE (ic));
332 if (!interface_type_attribute)
333 interface_type_attribute = mono_class_from_name (mono_defaults.corlib, "System.Runtime.InteropServices", "InterfaceTypeAttribute");
334 cinfo = mono_custom_attrs_from_class (ic);
336 itf_attr = (MonoInterfaceTypeAttribute*)mono_custom_attrs_get_attr (cinfo, interface_type_attribute);
338 mono_custom_attrs_free (cinfo);
341 if (itf_attr && itf_attr->intType == 1)
342 offset = 3; /* 3 methods in IUnknown*/
344 offset = 7; /* 7 methods in IDispatch*/
346 return slot + offset;
350 * cominterop_get_method_interface:
351 * @method: method being called
353 * Returns: the Type on which the method is defined on
355 static MonoReflectionType*
356 cominterop_get_method_interface (MonoMethod* method)
360 MonoClass *ic = NULL;
362 MonoReflectionType* rt = NULL;
364 ifaces = mono_class_get_implemented_interfaces (method->klass);
367 for (i = 0; i < ifaces->len; ++i) {
368 ic = g_ptr_array_index (ifaces, i);
369 offset = method->klass->interface_offsets[ic->interface_id];
370 if (method->slot >= offset && method->slot < offset + ic->method.count)
374 g_ptr_array_free (ifaces, TRUE);
381 g_assert (MONO_CLASS_IS_INTERFACE (ic));
383 t = mono_class_get_type (ic);
384 rt = mono_type_get_object (mono_domain_get(), t);
390 mono_marshal_init (void)
392 static gboolean module_initialized = FALSE;
394 if (!module_initialized) {
395 module_initialized = TRUE;
396 InitializeCriticalSection (&marshal_mutex);
397 wrapper_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
398 last_error_tls_id = TlsAlloc ();
399 load_type_info_tls_id = TlsAlloc ();
401 register_icall (mono_marshal_string_to_utf16, "mono_marshal_string_to_utf16", "ptr obj", FALSE);
402 register_icall (mono_string_to_utf16, "mono_string_to_utf16", "ptr obj", FALSE);
403 register_icall (mono_string_from_utf16, "mono_string_from_utf16", "obj ptr", FALSE);
404 register_icall (mono_string_new_wrapper, "mono_string_new_wrapper", "obj ptr", FALSE);
405 register_icall (mono_string_to_utf8, "mono_string_to_utf8", "ptr obj", FALSE);
406 register_icall (mono_string_to_lpstr, "mono_string_to_lpstr", "ptr obj", FALSE);
407 register_icall (mono_string_to_bstr, "mono_string_to_bstr", "ptr obj", FALSE);
408 register_icall (mono_string_from_bstr, "mono_string_from_bstr", "obj ptr", FALSE);
409 register_icall (mono_free_bstr, "mono_free_bstr", "void ptr", FALSE);
410 register_icall (mono_string_to_ansibstr, "mono_string_to_ansibstr", "ptr object", FALSE);
411 register_icall (mono_string_builder_to_utf8, "mono_string_builder_to_utf8", "ptr object", FALSE);
412 register_icall (mono_string_builder_to_utf16, "mono_string_builder_to_utf16", "ptr object", FALSE);
413 register_icall (mono_array_to_savearray, "mono_array_to_savearray", "ptr object", FALSE);
414 register_icall (mono_array_to_lparray, "mono_array_to_lparray", "ptr object", FALSE);
415 register_icall (mono_byvalarray_to_array, "mono_byvalarray_to_array", "void object ptr ptr int32", FALSE);
416 register_icall (mono_array_to_byvalarray, "mono_array_to_byvalarray", "void ptr object ptr int32", FALSE);
417 register_icall (mono_delegate_to_ftnptr, "mono_delegate_to_ftnptr", "ptr object", FALSE);
418 register_icall (mono_ftnptr_to_delegate, "mono_ftnptr_to_delegate", "object ptr ptr", FALSE);
419 register_icall (mono_marshal_asany, "mono_marshal_asany", "ptr object int32 int32", FALSE);
420 register_icall (mono_marshal_free_asany, "mono_marshal_free_asany", "void object ptr int32 int32", FALSE);
421 register_icall (mono_marshal_alloc, "mono_marshal_alloc", "ptr int32", FALSE);
422 register_icall (mono_marshal_free, "mono_marshal_free", "void ptr", FALSE);
423 register_icall (mono_marshal_set_last_error, "mono_marshal_set_last_error", "void", FALSE);
424 register_icall (mono_marshal_set_last_error_windows, "mono_marshal_set_last_error_windows", "void int32", FALSE);
425 register_icall (mono_string_utf8_to_builder, "mono_string_utf8_to_builder", "void ptr ptr", FALSE);
426 register_icall (mono_string_utf16_to_builder, "mono_string_utf16_to_builder", "void ptr ptr", FALSE);
427 register_icall (mono_marshal_free_array, "mono_marshal_free_array", "void ptr int32", FALSE);
428 register_icall (mono_string_to_byvalstr, "mono_string_to_byvalstr", "void ptr ptr int32", FALSE);
429 register_icall (mono_string_to_byvalwstr, "mono_string_to_byvalwstr", "void ptr ptr int32", FALSE);
430 register_icall (g_free, "g_free", "void ptr", FALSE);
431 register_icall (mono_object_isinst, "mono_object_isinst", "object object ptr", FALSE);
432 register_icall (mono_struct_delete_old, "mono_struct_delete_old", "void ptr ptr", FALSE);
433 register_icall (mono_remoting_wrapper, "mono_remoting_wrapper", "object ptr ptr", FALSE);
434 register_icall (mono_delegate_begin_invoke, "mono_delegate_begin_invoke", "object object ptr", FALSE);
435 register_icall (mono_delegate_end_invoke, "mono_delegate_end_invoke", "object object ptr", FALSE);
436 register_icall (mono_marshal_xdomain_copy_value, "mono_marshal_xdomain_copy_value", "object object", FALSE);
437 register_icall (mono_marshal_xdomain_copy_out_value, "mono_marshal_xdomain_copy_out_value", "void object object", FALSE);
438 register_icall (mono_marshal_set_domain_by_id, "mono_marshal_set_domain_by_id", "int32 int32 int32", FALSE);
439 register_icall (mono_marshal_check_domain_image, "mono_marshal_check_domain_image", "int32 int32 ptr", FALSE);
440 register_icall (mono_compile_method, "mono_compile_method", "ptr ptr", FALSE);
441 register_icall (mono_context_get, "mono_context_get", "object", FALSE);
442 register_icall (mono_context_set, "mono_context_set", "void object", FALSE);
443 register_icall (mono_upgrade_remote_class_wrapper, "mono_upgrade_remote_class_wrapper", "void object object", FALSE);
444 register_icall (type_from_handle, "type_from_handle", "object ptr", FALSE);
445 register_icall (mono_gc_wbarrier_generic_store, "wb_generic", "void ptr object", FALSE);
446 register_icall (cominterop_get_method_interface, "cominterop_get_method_interface", "object ptr", FALSE);
447 register_icall (cominterop_get_function_pointer, "cominterop_get_function_pointer", "ptr ptr int32", FALSE);
448 register_icall (cominterop_object_is_rcw, "cominterop_object_is_rcw", "int32 object", FALSE);
453 mono_marshal_cleanup (void)
455 g_hash_table_destroy (wrapper_hash);
456 TlsFree (load_type_info_tls_id);
457 TlsFree (last_error_tls_id);
458 DeleteCriticalSection (&marshal_mutex);
461 MonoClass *byte_array_class;
462 static MonoMethod *method_rs_serialize, *method_rs_deserialize, *method_exc_fixexc, *method_rs_appdomain_target;
463 static MonoMethod *method_set_context, *method_get_context;
464 static MonoMethod *method_set_call_context, *method_needs_context_sink, *method_rs_serialize_exc;
467 mono_remoting_marshal_init (void)
471 static gboolean module_initialized = FALSE;
473 if (!module_initialized) {
474 klass = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting", "RemotingServices");
475 method_rs_serialize = mono_class_get_method_from_name (klass, "SerializeCallData", -1);
476 method_rs_deserialize = mono_class_get_method_from_name (klass, "DeserializeCallData", -1);
477 method_rs_serialize_exc = mono_class_get_method_from_name (klass, "SerializeExceptionData", -1);
479 klass = mono_defaults.real_proxy_class;
480 method_rs_appdomain_target = mono_class_get_method_from_name (klass, "GetAppDomainTarget", -1);
482 klass = mono_defaults.exception_class;
483 method_exc_fixexc = mono_class_get_method_from_name (klass, "FixRemotingException", -1);
485 klass = mono_defaults.thread_class;
486 method_get_context = mono_class_get_method_from_name (klass, "get_CurrentContext", -1);
488 klass = mono_defaults.appdomain_class;
489 method_set_context = mono_class_get_method_from_name (klass, "InternalSetContext", -1);
490 byte_array_class = mono_array_class_get (mono_defaults.byte_class, 1);
492 klass = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting.Messaging", "CallContext");
493 method_set_call_context = mono_class_get_method_from_name (klass, "SetCurrentCallContext", -1);
495 klass = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting.Contexts", "Context");
496 method_needs_context_sink = mono_class_get_method_from_name (klass, "get_NeedsContextSink", -1);
498 module_initialized = TRUE;
503 mono_delegate_to_ftnptr (MonoDelegate *delegate)
505 MonoMethod *method, *wrapper;
511 if (delegate->delegate_trampoline)
512 return delegate->delegate_trampoline;
514 klass = ((MonoObject *)delegate)->vtable->klass;
515 g_assert (klass->delegate);
517 method = delegate->method_info->method;
519 wrapper = mono_marshal_get_managed_wrapper (method, klass, delegate->target);
521 delegate->delegate_trampoline = mono_compile_method (wrapper);
523 // Add the delegate to the delegate hash table
524 delegate_hash_table_add (delegate);
526 /* when the object is collected, collect the dunamic method, too */
527 mono_object_register_finalizer ((MonoObject*)delegate);
529 return delegate->delegate_trampoline;
532 static GHashTable *delegate_hash_table;
535 delegate_hash_table_new (void) {
536 return g_hash_table_new (NULL, NULL);
540 delegate_hash_table_remove (MonoDelegate *d)
542 mono_marshal_lock ();
543 if (delegate_hash_table == NULL)
544 delegate_hash_table = delegate_hash_table_new ();
545 g_hash_table_remove (delegate_hash_table, d->delegate_trampoline);
546 mono_marshal_unlock ();
550 delegate_hash_table_add (MonoDelegate *d)
552 mono_marshal_lock ();
553 if (delegate_hash_table == NULL)
554 delegate_hash_table = delegate_hash_table_new ();
555 g_hash_table_insert (delegate_hash_table, d->delegate_trampoline, d);
556 mono_marshal_unlock ();
560 mono_ftnptr_to_delegate (MonoClass *klass, gpointer ftn)
564 mono_marshal_lock ();
565 if (delegate_hash_table == NULL)
566 delegate_hash_table = delegate_hash_table_new ();
568 d = g_hash_table_lookup (delegate_hash_table, ftn);
569 mono_marshal_unlock ();
571 /* This is a native function, so construct a delegate for it */
572 static MonoClass *UnmanagedFunctionPointerAttribute;
573 MonoMethodSignature *sig;
575 MonoMarshalSpec **mspecs;
576 MonoCustomAttrInfo *cinfo;
577 MonoReflectionUnmanagedFunctionPointerAttribute *attr;
578 MonoMethod *invoke = mono_get_delegate_invoke (klass);
579 MonoMethodPInvoke piinfo;
582 memset (&piinfo, 0, sizeof (piinfo));
583 if (!UnmanagedFunctionPointerAttribute)
584 UnmanagedFunctionPointerAttribute = mono_class_from_name (mono_defaults.corlib, "System.Runtime.InteropServices", "UnmanagedFunctionPointerAttribute");
586 /* The attribute is only available in Net 2.0 */
587 if (UnmanagedFunctionPointerAttribute) {
589 * The pinvoke attributes are stored in a real custom attribute so we have to
592 cinfo = mono_custom_attrs_from_class (klass);
594 attr = (MonoReflectionUnmanagedFunctionPointerAttribute*)mono_custom_attrs_get_attr (cinfo, UnmanagedFunctionPointerAttribute);
596 piinfo.piflags = (attr->call_conv << 8) | (attr->charset ? (attr->charset - 1) * 2 : 1) | attr->set_last_error;
599 mono_custom_attrs_free (cinfo);
603 mspecs = g_new0 (MonoMarshalSpec*, mono_method_signature (invoke)->param_count + 1);
604 mono_method_get_marshal_info (invoke, mspecs);
605 /* Freed below so don't alloc from mempool */
606 sig = mono_metadata_signature_dup (mono_method_signature (invoke));
609 wrapper = mono_marshal_get_native_func_wrapper (klass->image, sig, &piinfo, mspecs, ftn);
611 for (i = mono_method_signature (invoke)->param_count; i >= 0; i--)
613 mono_metadata_free_marshal_spec (mspecs [i]);
617 d = (MonoDelegate*)mono_object_new (mono_domain_get (), klass);
618 mono_delegate_ctor ((MonoObject*)d, NULL, mono_compile_method (wrapper));
621 if (d->object.vtable->domain != mono_domain_get ())
622 mono_raise_exception (mono_get_exception_not_supported ("Delegates cannot be marshalled from native code into a domain other than their home domain"));
628 mono_delegate_free_ftnptr (MonoDelegate *delegate)
633 delegate_hash_table_remove (delegate);
635 ptr = (gpointer)InterlockedExchangePointer (&delegate->delegate_trampoline, NULL);
637 if (!delegate->target) {
638 /* The wrapper method is shared between delegates -> no need to free it */
643 ji = mono_jit_info_table_find (mono_domain_get (), mono_get_addr_from_ftnptr (ptr));
646 mono_runtime_free_method (mono_object_domain (delegate), ji->method);
651 mono_array_to_savearray (MonoArray *array)
656 g_assert_not_reached ();
661 mono_array_to_lparray (MonoArray *array)
666 /* fixme: maybe we need to make a copy */
667 return array->vector;
671 mono_byvalarray_to_array (MonoArray *arr, gpointer native_arr, MonoClass *elclass, guint32 elnum)
673 g_assert (arr->obj.vtable->klass->element_class == mono_defaults.char_class);
675 if (elclass == mono_defaults.byte_class) {
676 GError *error = NULL;
680 ut = g_utf8_to_utf16 (native_arr, elnum, NULL, &items_written, &error);
683 memcpy (mono_array_addr (arr, guint16, 0), ut, items_written * sizeof (guint16));
687 g_error_free (error);
690 g_assert_not_reached ();
694 mono_array_to_byvalarray (gpointer native_arr, MonoArray *arr, MonoClass *elclass, guint32 elnum)
696 g_assert (arr->obj.vtable->klass->element_class == mono_defaults.char_class);
698 if (elclass == mono_defaults.byte_class) {
700 GError *error = NULL;
702 as = g_utf16_to_utf8 (mono_array_addr (arr, gunichar2, 0), mono_array_length (arr), NULL, NULL, &error);
704 MonoException *exc = mono_get_exception_argument ("string", error->message);
705 g_error_free (error);
706 mono_raise_exception (exc);
709 memcpy (native_arr, as, MIN (strlen (as), elnum));
713 g_assert_not_reached ();
717 mono_string_utf8_to_builder (MonoStringBuilder *sb, char *text)
719 GError *error = NULL;
729 ut = g_utf8_to_utf16 (text, l, NULL, &items_written, &error);
731 if (items_written > mono_stringbuilder_capacity (sb))
732 items_written = mono_stringbuilder_capacity (sb);
735 if (! sb->str || sb->str == sb->cached_str) {
736 MONO_OBJECT_SETREF (sb, str, mono_string_new_size (mono_domain_get (), items_written));
737 sb->cached_str = NULL;
740 memcpy (mono_string_chars (sb->str), ut, items_written * 2);
741 sb->length = items_written;
743 g_error_free (error);
749 mono_string_utf16_to_builder (MonoStringBuilder *sb, gunichar2 *text)
756 g_assert (mono_string_chars (sb->str) == text);
758 for (len = 0; text [len] != 0; ++len)
765 mono_string_builder_to_utf8 (MonoStringBuilder *sb)
767 GError *error = NULL;
774 if ((sb->str == sb->cached_str) && (sb->str->length == 0)) {
776 * The sb could have been allocated with the default capacity and be empty.
777 * we need to alloc a buffer of the default capacity in this case.
779 MONO_OBJECT_SETREF (sb, str, mono_string_new_size (mono_domain_get (), 16));
780 sb->cached_str = NULL;
783 res = mono_marshal_alloc (mono_stringbuilder_capacity (sb) + 1);
785 tmp = g_utf16_to_utf8 (mono_string_chars (sb->str), sb->length, NULL, res, &error);
787 g_error_free (error);
788 mono_raise_exception (mono_get_exception_execution_engine ("Failed to convert StringBuilder from utf16 to utf8"));
791 memcpy (res, tmp, sb->length + 1);
799 mono_string_builder_to_utf16 (MonoStringBuilder *sb)
807 * The stringbuilder might not have ownership of this string. If this is
808 * the case, we must duplicate the string, so that we don't munge immutable
811 if (sb->str == sb->cached_str) {
813 * The sb could have been allocated with the default capacity and be empty.
814 * we need to alloc a buffer of the default capacity in this case.
816 if (sb->str->length == 0)
817 MONO_OBJECT_SETREF (sb, str, mono_string_new_size (mono_domain_get (), 16));
819 MONO_OBJECT_SETREF (sb, str, mono_string_new_utf16 (mono_domain_get (), mono_string_chars (sb->str), mono_stringbuilder_capacity (sb)));
820 sb->cached_str = NULL;
823 return mono_string_chars (sb->str);
827 mono_string_to_lpstr (MonoString *s)
829 #ifdef PLATFORM_WIN32
832 GError *error = NULL;
838 as = CoTaskMemAlloc (1);
843 tmp = g_utf16_to_utf8 (mono_string_chars (s), s->length, NULL, &len, &error);
845 MonoException *exc = mono_get_exception_argument ("string", error->message);
846 g_error_free (error);
847 mono_raise_exception(exc);
851 as = CoTaskMemAlloc (len + 1);
852 memcpy (as, tmp, len + 1);
856 return mono_string_to_utf8 (s);
861 mono_string_to_ansibstr (MonoString *string_obj)
863 g_error ("UnmanagedMarshal.BStr is not implemented.");
868 mono_string_to_bstr (MonoString *string_obj)
870 #ifdef PLATFORM_WIN32
873 return SysAllocStringLen (mono_string_chars (string_obj), mono_string_length (string_obj));
875 g_error ("UnmanagedMarshal.BStr is not implemented.");
881 mono_string_from_bstr (gpointer bstr)
883 #ifdef PLATFORM_WIN32
886 return mono_string_new_utf16 (mono_domain_get (), bstr, SysStringLen (bstr));
888 g_error ("UnmanagedMarshal.BStr is not implemented.");
894 mono_free_bstr (gpointer bstr)
896 #ifdef PLATFORM_WIN32
897 SysFreeString ((BSTR)bstr);
899 g_error ("Free BSTR is not implemented.");
904 mono_string_to_byvalstr (gpointer dst, MonoString *src, int size)
909 g_assert (dst != NULL);
912 memset (dst, 0, size);
917 s = mono_string_to_utf8 (src);
918 len = MIN (size, strlen (s));
919 memcpy (dst, s, len);
922 *((char *)dst + size - 1) = 0;
926 mono_string_to_byvalwstr (gpointer dst, MonoString *src, int size)
930 g_assert (dst != NULL);
934 memset (dst, 0, size * 2);
938 len = MIN (size, (mono_string_length (src)));
939 memcpy (dst, mono_string_chars (src), len * 2);
941 *((gunichar2 *)dst + len - 1) = 0;
945 mono_mb_free (MonoMethodBuilder *mb)
947 g_list_free (mb->locals_list);
957 mono_mb_new (MonoClass *klass, const char *name, MonoWrapperType type)
959 MonoMethodBuilder *mb;
962 g_assert (klass != NULL);
963 g_assert (name != NULL);
965 mb = g_new0 (MonoMethodBuilder, 1);
967 mb->method = m = (MonoMethod *)g_new0 (MonoMethodWrapper, 1);
971 m->wrapper_type = type;
973 mb->name = g_strdup (name);
975 mb->code = g_malloc (mb->code_size);
981 mono_mb_add_local (MonoMethodBuilder *mb, MonoType *type)
985 g_assert (mb != NULL);
986 g_assert (type != NULL);
989 mb->locals_list = g_list_append (mb->locals_list, type);
996 * mono_mb_create_method:
998 * Create a MonoMethod from this method builder.
999 * Returns: the newly created method.
1001 * LOCKING: Assumes the loader lock is held.
1004 mono_mb_create_method (MonoMethodBuilder *mb, MonoMethodSignature *signature, int max_stack)
1006 MonoMethodHeader *header;
1007 MonoMethodWrapper *mw;
1013 g_assert (mb != NULL);
1015 mp = mb->method->klass->image->mempool;
1018 method = mb->method;
1020 method->name = mb->name;
1021 method->dynamic = TRUE;
1023 ((MonoMethodNormal *)method)->header = header = (MonoMethodHeader *)
1024 g_malloc0 (sizeof (MonoMethodHeader) + mb->locals * sizeof (MonoType *));
1026 header->code = mb->code;
1028 /* Realloc the method info into a mempool */
1030 method = mono_mempool_alloc (mp, sizeof (MonoMethodWrapper));
1031 memcpy (method, mb->method, sizeof (MonoMethodWrapper));
1033 method->name = mono_mempool_strdup (mp, mb->name);
1035 ((MonoMethodNormal *)method)->header = header = (MonoMethodHeader *)
1036 mono_mempool_alloc0 (mp, sizeof (MonoMethodHeader) + mb->locals * sizeof (MonoType *));
1038 header->code = mono_mempool_alloc (mp, mb->pos);
1039 memcpy ((char*)header->code, mb->code, mb->pos);
1045 header->max_stack = max_stack;
1047 for (i = 0, l = mb->locals_list; l; l = l->next, i++) {
1048 header->locals [i] = (MonoType *)l->data;
1051 method->signature = signature;
1053 header->code_size = mb->pos;
1054 header->num_locals = mb->locals;
1056 mw = (MonoMethodWrapper*) mb->method;
1057 i = g_list_length (mw->method_data);
1061 l = g_list_reverse (mw->method_data);
1062 if (method->dynamic)
1063 data = g_malloc (sizeof (gpointer) * (i + 1));
1065 data = mono_mempool_alloc (mp, sizeof (gpointer) * (i + 1));
1066 /* store the size in the first element */
1067 data [0] = GUINT_TO_POINTER (i);
1069 for (tmp = l; tmp; tmp = tmp->next) {
1070 data [i++] = tmp->data;
1074 ((MonoMethodWrapper*)method)->method_data = data;
1077 static int total_code = 0;
1078 static int total_alloc = 0;
1079 total_code += mb->pos;
1080 total_alloc += mb->code_size;
1081 g_print ("code size: %d of %d (allocated: %d)\n", mb->pos, total_code, total_alloc);
1084 #ifdef DEBUG_RUNTIME_CODE
1085 printf ("RUNTIME CODE FOR %s\n", mono_method_full_name (method, TRUE));
1086 printf ("%s\n", mono_disasm_code (&marshal_dh, method, mb->code, mb->code + mb->pos));
1093 mono_mb_add_data (MonoMethodBuilder *mb, gpointer data)
1095 MonoMethodWrapper *mw;
1097 g_assert (mb != NULL);
1099 mw = (MonoMethodWrapper *)mb->method;
1101 /* one O(n) is enough */
1102 mw->method_data = g_list_prepend (mw->method_data, data);
1104 return g_list_length (mw->method_data);
1108 mono_mb_patch_addr (MonoMethodBuilder *mb, int pos, int value)
1110 mb->code [pos] = value & 0xff;
1111 mb->code [pos + 1] = (value >> 8) & 0xff;
1112 mb->code [pos + 2] = (value >> 16) & 0xff;
1113 mb->code [pos + 3] = (value >> 24) & 0xff;
1117 mono_mb_patch_addr_s (MonoMethodBuilder *mb, int pos, gint8 value)
1119 *((gint8 *)(&mb->code [pos])) = value;
1123 mono_mb_emit_byte (MonoMethodBuilder *mb, guint8 op)
1125 if (mb->pos >= mb->code_size) {
1126 mb->code_size += mb->code_size >> 1;
1127 mb->code = g_realloc (mb->code, mb->code_size);
1130 mb->code [mb->pos++] = op;
1134 mono_mb_emit_ldflda (MonoMethodBuilder *mb, gint32 offset)
1136 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1137 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
1140 mono_mb_emit_icon (mb, offset);
1141 mono_mb_emit_byte (mb, CEE_ADD);
1146 mono_mb_emit_proxy_check (MonoMethodBuilder *mb, int branch_code)
1149 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
1150 mono_mb_emit_byte (mb, CEE_LDIND_I);
1151 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoVTable, klass));
1152 mono_mb_emit_byte (mb, CEE_ADD);
1153 mono_mb_emit_byte (mb, CEE_LDIND_I);
1154 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1155 mono_mb_emit_byte (mb, CEE_MONO_CLASSCONST);
1156 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_defaults.transparent_proxy_class));
1157 mono_mb_emit_byte (mb, branch_code);
1159 mono_mb_emit_i4 (mb, 0);
1164 mono_mb_emit_xdomain_check (MonoMethodBuilder *mb, int branch_code)
1167 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
1168 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1169 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoRealProxy, target_domain_id));
1170 mono_mb_emit_byte (mb, CEE_LDIND_I4);
1171 mono_mb_emit_icon (mb, -1);
1172 mono_mb_emit_byte (mb, branch_code);
1174 mono_mb_emit_i4 (mb, 0);
1179 mono_mb_emit_i4 (MonoMethodBuilder *mb, gint32 data)
1181 if ((mb->pos + 4) >= mb->code_size) {
1182 mb->code_size += mb->code_size >> 1;
1183 mb->code = g_realloc (mb->code, mb->code_size);
1186 mono_mb_patch_addr (mb, mb->pos, data);
1191 mono_mb_emit_i2 (MonoMethodBuilder *mb, gint16 data)
1193 if ((mb->pos + 2) >= 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] = data & 0xff;
1199 mb->code [mb->pos + 1] = (data >> 8) & 0xff;
1204 mono_mb_emit_op (MonoMethodBuilder *mb, guint8 op, gpointer data)
1206 mono_mb_emit_byte (mb, op);
1207 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, data));
1211 mono_mb_emit_ldstr (MonoMethodBuilder *mb, char *str)
1213 mono_mb_emit_op (mb, CEE_LDSTR, str);
1217 mono_mb_emit_ldarg (MonoMethodBuilder *mb, guint argnum)
1220 mono_mb_emit_byte (mb, CEE_LDARG_0 + argnum);
1221 } else if (argnum < 256) {
1222 mono_mb_emit_byte (mb, CEE_LDARG_S);
1223 mono_mb_emit_byte (mb, argnum);
1225 mono_mb_emit_byte (mb, CEE_PREFIX1);
1226 mono_mb_emit_byte (mb, CEE_LDARG);
1227 mono_mb_emit_i2 (mb, argnum);
1232 mono_mb_emit_ldarg_addr (MonoMethodBuilder *mb, guint argnum)
1235 mono_mb_emit_byte (mb, CEE_LDARGA_S);
1236 mono_mb_emit_byte (mb, argnum);
1238 mono_mb_emit_byte (mb, CEE_PREFIX1);
1239 mono_mb_emit_byte (mb, CEE_LDARGA);
1240 mono_mb_emit_i2 (mb, argnum);
1245 mono_mb_emit_ldloc_addr (MonoMethodBuilder *mb, guint locnum)
1248 mono_mb_emit_byte (mb, CEE_LDLOCA_S);
1249 mono_mb_emit_byte (mb, locnum);
1251 mono_mb_emit_byte (mb, CEE_PREFIX1);
1252 mono_mb_emit_byte (mb, CEE_LDLOCA);
1253 mono_mb_emit_i2 (mb, locnum);
1258 mono_mb_emit_ldloc (MonoMethodBuilder *mb, guint num)
1261 mono_mb_emit_byte (mb, CEE_LDLOC_0 + num);
1262 } else if (num < 256) {
1263 mono_mb_emit_byte (mb, CEE_LDLOC_S);
1264 mono_mb_emit_byte (mb, num);
1266 mono_mb_emit_byte (mb, CEE_PREFIX1);
1267 mono_mb_emit_byte (mb, CEE_LDLOC);
1268 mono_mb_emit_i2 (mb, num);
1273 mono_mb_emit_stloc (MonoMethodBuilder *mb, guint num)
1276 mono_mb_emit_byte (mb, CEE_STLOC_0 + num);
1277 } else if (num < 256) {
1278 mono_mb_emit_byte (mb, CEE_STLOC_S);
1279 mono_mb_emit_byte (mb, num);
1281 mono_mb_emit_byte (mb, CEE_PREFIX1);
1282 mono_mb_emit_byte (mb, CEE_STLOC);
1283 mono_mb_emit_i2 (mb, num);
1288 mono_mb_emit_icon (MonoMethodBuilder *mb, gint32 value)
1290 if (value >= -1 && value < 8) {
1291 mono_mb_emit_byte (mb, CEE_LDC_I4_0 + value);
1292 } else if (value >= -128 && value <= 127) {
1293 mono_mb_emit_byte (mb, CEE_LDC_I4_S);
1294 mono_mb_emit_byte (mb, value);
1296 mono_mb_emit_byte (mb, CEE_LDC_I4);
1297 mono_mb_emit_i4 (mb, value);
1302 mono_mb_emit_branch (MonoMethodBuilder *mb, guint8 op)
1305 mono_mb_emit_byte (mb, op);
1307 mono_mb_emit_i4 (mb, 0);
1312 mono_mb_emit_short_branch (MonoMethodBuilder *mb, guint8 op)
1315 mono_mb_emit_byte (mb, op);
1317 mono_mb_emit_byte (mb, 0);
1323 mono_mb_patch_branch (MonoMethodBuilder *mb, guint32 pos)
1325 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
1329 mono_mb_patch_short_branch (MonoMethodBuilder *mb, guint32 pos)
1331 mono_mb_patch_addr_s (mb, pos, mb->pos - (pos + 1));
1335 mono_mb_emit_ptr (MonoMethodBuilder *mb, gpointer ptr)
1337 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1338 mono_mb_emit_op (mb, CEE_MONO_LDPTR, ptr);
1342 mono_mb_emit_calli (MonoMethodBuilder *mb, MonoMethodSignature *sig)
1344 mono_mb_emit_op (mb, CEE_CALLI, sig);
1348 mono_mb_emit_managed_call (MonoMethodBuilder *mb, MonoMethod *method, MonoMethodSignature *opt_sig)
1350 mono_mb_emit_op (mb, CEE_CALL, method);
1354 mono_mb_emit_native_call (MonoMethodBuilder *mb, MonoMethodSignature *sig, gpointer func)
1356 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1357 mono_mb_emit_byte (mb, CEE_MONO_SAVE_LMF);
1358 mono_mb_emit_ptr (mb, func);
1359 mono_mb_emit_calli (mb, sig);
1360 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1361 mono_mb_emit_byte (mb, CEE_MONO_RESTORE_LMF);
1365 mono_mb_emit_icall (MonoMethodBuilder *mb, gpointer func)
1367 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1368 mono_mb_emit_op (mb, CEE_MONO_ICALL, func);
1372 mono_mb_emit_cominterop_call (MonoMethodBuilder *mb, MonoMethodSignature *sig, MonoMethod* method)
1374 // get function pointer from 1st arg, the COM interface pointer
1375 mono_mb_emit_ldarg (mb, 0);
1376 mono_mb_emit_icon (mb, cominterop_get_com_slot_for_method (method));
1377 mono_mb_emit_icall (mb, cominterop_get_function_pointer);
1379 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1380 mono_mb_emit_byte (mb, CEE_MONO_SAVE_LMF);
1381 mono_mb_emit_calli (mb, sig);
1382 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1383 mono_mb_emit_byte (mb, CEE_MONO_RESTORE_LMF);
1387 mono_mb_emit_exception_full (MonoMethodBuilder *mb, const char *exc_nspace, const char *exc_name, const char *msg)
1389 MonoMethod *ctor = NULL;
1391 MonoClass *mme = mono_class_from_name (mono_defaults.corlib, exc_nspace, exc_name);
1392 mono_class_init (mme);
1393 ctor = mono_class_get_method_from_name (mme, ".ctor", 0);
1395 mono_mb_emit_op (mb, CEE_NEWOBJ, ctor);
1397 mono_mb_emit_byte (mb, CEE_DUP);
1398 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoException, message));
1399 mono_mb_emit_ldstr (mb, (char*)msg);
1400 mono_mb_emit_byte (mb, CEE_STIND_REF);
1402 mono_mb_emit_byte (mb, CEE_THROW);
1406 mono_mb_emit_exception (MonoMethodBuilder *mb, const char *exc_name, const char *msg)
1408 mono_mb_emit_exception_full (mb, "System", exc_name, msg);
1412 mono_mb_emit_exception_marshal_directive (MonoMethodBuilder *mb, const char *msg)
1414 mono_mb_emit_exception_full (mb, "System.Runtime.InteropServices", "MarshalDirectiveException", msg);
1418 mono_mb_emit_add_to_local (MonoMethodBuilder *mb, guint16 local, gint32 incr)
1420 mono_mb_emit_ldloc (mb, local);
1421 mono_mb_emit_icon (mb, incr);
1422 mono_mb_emit_byte (mb, CEE_ADD);
1423 mono_mb_emit_stloc (mb, local);
1427 mono_type_to_ldind (MonoType *type)
1433 switch (type->type) {
1435 return CEE_LDIND_I1;
1437 case MONO_TYPE_BOOLEAN:
1438 return CEE_LDIND_U1;
1440 return CEE_LDIND_I2;
1442 case MONO_TYPE_CHAR:
1443 return CEE_LDIND_U2;
1445 return CEE_LDIND_I4;
1447 return CEE_LDIND_U4;
1451 case MONO_TYPE_FNPTR:
1453 case MONO_TYPE_CLASS:
1454 case MONO_TYPE_STRING:
1455 case MONO_TYPE_OBJECT:
1456 case MONO_TYPE_SZARRAY:
1457 case MONO_TYPE_ARRAY:
1458 return CEE_LDIND_REF;
1461 return CEE_LDIND_I8;
1463 return CEE_LDIND_R4;
1465 return CEE_LDIND_R8;
1466 case MONO_TYPE_VALUETYPE:
1467 if (type->data.klass->enumtype) {
1468 type = type->data.klass->enum_basetype;
1472 case MONO_TYPE_TYPEDBYREF:
1474 case MONO_TYPE_GENERICINST:
1475 type = &type->data.generic_class->container_class->byval_arg;
1478 g_error ("unknown type 0x%02x in type_to_ldind", type->type);
1484 mono_type_to_stind (MonoType *type)
1490 switch (type->type) {
1493 case MONO_TYPE_BOOLEAN:
1494 return CEE_STIND_I1;
1497 case MONO_TYPE_CHAR:
1498 return CEE_STIND_I2;
1501 return CEE_STIND_I4;
1505 case MONO_TYPE_FNPTR:
1507 case MONO_TYPE_CLASS:
1508 case MONO_TYPE_STRING:
1509 case MONO_TYPE_OBJECT:
1510 case MONO_TYPE_SZARRAY:
1511 case MONO_TYPE_ARRAY:
1512 return CEE_STIND_REF;
1515 return CEE_STIND_I8;
1517 return CEE_STIND_R4;
1519 return CEE_STIND_R8;
1520 case MONO_TYPE_VALUETYPE:
1521 if (type->data.klass->enumtype) {
1522 type = type->data.klass->enum_basetype;
1526 case MONO_TYPE_TYPEDBYREF:
1528 case MONO_TYPE_GENERICINST:
1529 type = &type->data.generic_class->container_class->byval_arg;
1532 g_error ("unknown type 0x%02x in type_to_stind", type->type);
1538 emit_ptr_to_object_conv (MonoMethodBuilder *mb, MonoType *type, MonoMarshalConv conv, MonoMarshalSpec *mspec)
1541 case MONO_MARSHAL_CONV_BOOL_I4:
1542 mono_mb_emit_ldloc (mb, 1);
1543 mono_mb_emit_ldloc (mb, 0);
1544 mono_mb_emit_byte (mb, CEE_LDIND_I4);
1545 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
1546 mono_mb_emit_byte (mb, 3);
1547 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
1548 mono_mb_emit_byte (mb, CEE_BR_S);
1549 mono_mb_emit_byte (mb, 1);
1550 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
1551 mono_mb_emit_byte (mb, CEE_STIND_I1);
1553 case MONO_MARSHAL_CONV_BOOL_VARIANTBOOL:
1554 mono_mb_emit_ldloc (mb, 1);
1555 mono_mb_emit_ldloc (mb, 0);
1556 mono_mb_emit_byte (mb, CEE_LDIND_I2);
1557 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
1558 mono_mb_emit_byte (mb, 3);
1559 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
1560 mono_mb_emit_byte (mb, CEE_BR_S);
1561 mono_mb_emit_byte (mb, 1);
1562 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
1563 mono_mb_emit_byte (mb, CEE_STIND_I1);
1565 case MONO_MARSHAL_CONV_ARRAY_BYVALARRAY: {
1566 MonoClass *eklass = NULL;
1569 if (type->type == MONO_TYPE_SZARRAY) {
1570 eklass = type->data.klass;
1572 g_assert_not_reached ();
1575 esize = mono_class_native_size (eklass, NULL);
1577 /* create a new array */
1578 mono_mb_emit_ldloc (mb, 1);
1579 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1580 mono_mb_emit_op (mb, CEE_NEWARR, eklass);
1581 mono_mb_emit_byte (mb, CEE_STIND_I);
1583 if (eklass->blittable) {
1584 /* copy the elements */
1585 mono_mb_emit_ldloc (mb, 1);
1586 mono_mb_emit_byte (mb, CEE_LDIND_I);
1587 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArray, vector));
1588 mono_mb_emit_byte (mb, CEE_ADD);
1589 mono_mb_emit_ldloc (mb, 0);
1590 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem * esize);
1591 mono_mb_emit_byte (mb, CEE_PREFIX1);
1592 mono_mb_emit_byte (mb, CEE_CPBLK);
1595 int array_var, src_var, dst_var, index_var;
1596 guint32 label2, label3;
1598 array_var = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
1599 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1600 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1603 mono_mb_emit_ldloc (mb, 1);
1604 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1605 mono_mb_emit_stloc (mb, array_var);
1607 /* save the old src pointer */
1608 mono_mb_emit_ldloc (mb, 0);
1609 mono_mb_emit_stloc (mb, src_var);
1610 /* save the old dst pointer */
1611 mono_mb_emit_ldloc (mb, 1);
1612 mono_mb_emit_stloc (mb, dst_var);
1614 /* Emit marshalling loop */
1615 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1616 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
1617 mono_mb_emit_stloc (mb, index_var);
1621 mono_mb_emit_ldloc (mb, index_var);
1622 mono_mb_emit_ldloc (mb, array_var);
1623 mono_mb_emit_byte (mb, CEE_LDLEN);
1624 label3 = mono_mb_emit_branch (mb, CEE_BGE);
1626 /* src is already set */
1629 mono_mb_emit_ldloc (mb, array_var);
1630 mono_mb_emit_ldloc (mb, index_var);
1631 mono_mb_emit_op (mb, CEE_LDELEMA, eklass);
1632 mono_mb_emit_stloc (mb, 1);
1634 /* Do the conversion */
1635 emit_struct_conv (mb, eklass, TRUE);
1638 mono_mb_emit_add_to_local (mb, index_var, 1);
1640 mono_mb_emit_byte (mb, CEE_BR);
1641 mono_mb_emit_i4 (mb, label2 - (mb->pos + 4));
1643 mono_mb_patch_branch (mb, label3);
1645 /* restore the old src pointer */
1646 mono_mb_emit_ldloc (mb, src_var);
1647 mono_mb_emit_stloc (mb, 0);
1648 /* restore the old dst pointer */
1649 mono_mb_emit_ldloc (mb, dst_var);
1650 mono_mb_emit_stloc (mb, 1);
1654 case MONO_MARSHAL_CONV_ARRAY_BYVALCHARARRAY: {
1655 MonoClass *eclass = mono_defaults.char_class;
1657 /* create a new array */
1658 mono_mb_emit_ldloc (mb, 1);
1659 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1660 mono_mb_emit_op (mb, CEE_NEWARR, eclass);
1661 mono_mb_emit_byte (mb, CEE_STIND_REF);
1663 mono_mb_emit_ldloc (mb, 1);
1664 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1665 mono_mb_emit_ldloc (mb, 0);
1666 mono_mb_emit_ptr (mb, mono_defaults.byte_class);
1667 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1668 mono_mb_emit_icall (mb, mono_byvalarray_to_array);
1671 case MONO_MARSHAL_CONV_STR_BYVALSTR:
1672 mono_mb_emit_ldloc (mb, 1);
1673 mono_mb_emit_ldloc (mb, 0);
1674 mono_mb_emit_icall (mb, mono_string_new_wrapper);
1675 mono_mb_emit_byte (mb, CEE_STIND_REF);
1677 case MONO_MARSHAL_CONV_STR_BYVALWSTR:
1678 mono_mb_emit_ldloc (mb, 1);
1679 mono_mb_emit_ldloc (mb, 0);
1680 mono_mb_emit_icall (mb, mono_string_from_utf16);
1681 mono_mb_emit_byte (mb, CEE_STIND_REF);
1683 case MONO_MARSHAL_CONV_STR_LPTSTR:
1684 case MONO_MARSHAL_CONV_STR_LPSTR:
1685 mono_mb_emit_ldloc (mb, 1);
1686 mono_mb_emit_ldloc (mb, 0);
1687 mono_mb_emit_byte (mb, CEE_LDIND_I);
1688 mono_mb_emit_icall (mb, mono_string_new_wrapper);
1689 mono_mb_emit_byte (mb, CEE_STIND_REF);
1691 case MONO_MARSHAL_CONV_STR_LPWSTR:
1692 mono_mb_emit_ldloc (mb, 1);
1693 mono_mb_emit_ldloc (mb, 0);
1694 mono_mb_emit_byte (mb, CEE_LDIND_I);
1695 mono_mb_emit_icall (mb, mono_string_from_utf16);
1696 mono_mb_emit_byte (mb, CEE_STIND_REF);
1698 case MONO_MARSHAL_CONV_OBJECT_STRUCT: {
1699 MonoClass *klass = mono_class_from_mono_type (type);
1700 int src_var, dst_var;
1702 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1703 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1705 /* *dst = new object */
1706 mono_mb_emit_ldloc (mb, 1);
1707 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1708 mono_mb_emit_op (mb, CEE_MONO_NEWOBJ, klass);
1709 mono_mb_emit_byte (mb, CEE_STIND_REF);
1711 /* save the old src pointer */
1712 mono_mb_emit_ldloc (mb, 0);
1713 mono_mb_emit_stloc (mb, src_var);
1714 /* save the old dst pointer */
1715 mono_mb_emit_ldloc (mb, 1);
1716 mono_mb_emit_stloc (mb, dst_var);
1718 /* dst = pointer to newly created object data */
1719 mono_mb_emit_ldloc (mb, 1);
1720 mono_mb_emit_byte (mb, CEE_LDIND_I);
1721 mono_mb_emit_icon (mb, sizeof (MonoObject));
1722 mono_mb_emit_byte (mb, CEE_ADD);
1723 mono_mb_emit_stloc (mb, 1);
1725 emit_struct_conv (mb, klass, TRUE);
1727 /* restore the old src pointer */
1728 mono_mb_emit_ldloc (mb, src_var);
1729 mono_mb_emit_stloc (mb, 0);
1730 /* restore the old dst pointer */
1731 mono_mb_emit_ldloc (mb, dst_var);
1732 mono_mb_emit_stloc (mb, 1);
1735 case MONO_MARSHAL_CONV_DEL_FTN: {
1736 MonoClass *klass = mono_class_from_mono_type (type);
1738 mono_mb_emit_ldloc (mb, 1);
1739 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1740 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
1741 mono_mb_emit_ldloc (mb, 0);
1742 mono_mb_emit_byte (mb, CEE_LDIND_I);
1743 mono_mb_emit_icall (mb, mono_ftnptr_to_delegate);
1744 mono_mb_emit_byte (mb, CEE_STIND_REF);
1747 case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
1748 g_error ("Structure field of type %s can't be marshalled as LPArray", mono_class_from_mono_type (type)->name);
1750 case MONO_MARSHAL_CONV_OBJECT_INTERFACE:
1751 case MONO_MARSHAL_CONV_OBJECT_IUNKNOWN:
1752 case MONO_MARSHAL_CONV_OBJECT_IDISPATCH: {
1753 static MonoClass* com_interop_proxy_class = NULL;
1754 static MonoMethod* com_interop_proxy_get_proxy = NULL;
1755 static MonoMethod* get_transparent_proxy = NULL;
1757 guint32 pos_failed = 0;
1758 MonoClass *klass = mono_class_from_mono_type (type);
1760 mono_mb_emit_ldloc (mb, 1);
1761 mono_mb_emit_byte (mb, CEE_LDNULL);
1762 mono_mb_emit_byte (mb, CEE_STIND_REF);
1764 mono_mb_emit_ldloc (mb, 0);
1765 mono_mb_emit_byte (mb, CEE_LDIND_I);
1766 pos_failed = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
1768 if (!com_interop_proxy_class)
1769 com_interop_proxy_class = mono_class_from_name (mono_defaults.corlib, "Mono.Interop", "ComInteropProxy");
1770 if (!com_interop_proxy_get_proxy)
1771 com_interop_proxy_get_proxy = mono_class_get_method_from_name_flags (com_interop_proxy_class, "GetProxy", 2, METHOD_ATTRIBUTE_PRIVATE);
1772 if (!get_transparent_proxy)
1773 get_transparent_proxy = mono_class_get_method_from_name (mono_defaults.real_proxy_class, "GetTransparentProxy", 0);
1775 real_proxy = mono_mb_add_local (mb, &com_interop_proxy_class->byval_arg);
1777 mono_mb_emit_ldloc (mb, 0);
1778 mono_mb_emit_byte (mb, CEE_LDIND_I);
1779 mono_mb_emit_ptr (mb, &mono_defaults.com_object_class->byval_arg);
1780 mono_mb_emit_icall (mb, type_from_handle);
1781 mono_mb_emit_managed_call (mb, com_interop_proxy_get_proxy, NULL);
1782 mono_mb_emit_stloc (mb, real_proxy);
1785 mono_mb_emit_ldloc (mb, 1);
1786 mono_mb_emit_ldloc (mb, real_proxy);
1787 mono_mb_emit_managed_call (mb, get_transparent_proxy, NULL);
1788 if (klass && klass != mono_defaults.object_class)
1789 mono_mb_emit_op (mb, CEE_CASTCLASS, klass);
1790 mono_mb_emit_byte (mb, CEE_STIND_REF);
1793 mono_mb_patch_short_branch (mb, pos_failed);
1796 case MONO_MARSHAL_CONV_STR_BSTR:
1797 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
1798 case MONO_MARSHAL_CONV_STR_TBSTR:
1799 case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
1801 g_warning ("marshaling conversion %d not implemented", conv);
1802 g_assert_not_reached ();
1807 conv_to_icall (MonoMarshalConv conv)
1810 case MONO_MARSHAL_CONV_STR_LPWSTR:
1811 return mono_marshal_string_to_utf16;
1812 case MONO_MARSHAL_CONV_LPWSTR_STR:
1813 return mono_string_from_utf16;
1814 case MONO_MARSHAL_CONV_LPSTR_STR:
1815 return mono_string_new_wrapper;
1816 case MONO_MARSHAL_CONV_STR_LPTSTR:
1817 case MONO_MARSHAL_CONV_STR_LPSTR:
1818 return mono_string_to_lpstr;
1819 case MONO_MARSHAL_CONV_STR_BSTR:
1820 return mono_string_to_bstr;
1821 case MONO_MARSHAL_CONV_BSTR_STR:
1822 return mono_string_from_bstr;
1823 case MONO_MARSHAL_CONV_STR_TBSTR:
1824 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
1825 return mono_string_to_ansibstr;
1826 case MONO_MARSHAL_CONV_SB_LPSTR:
1827 case MONO_MARSHAL_CONV_SB_LPTSTR:
1828 return mono_string_builder_to_utf8;
1829 case MONO_MARSHAL_CONV_SB_LPWSTR:
1830 return mono_string_builder_to_utf16;
1831 case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
1832 return mono_array_to_savearray;
1833 case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
1834 return mono_array_to_lparray;
1835 case MONO_MARSHAL_CONV_DEL_FTN:
1836 return mono_delegate_to_ftnptr;
1837 case MONO_MARSHAL_CONV_FTN_DEL:
1838 return mono_ftnptr_to_delegate;
1839 case MONO_MARSHAL_CONV_LPSTR_SB:
1840 case MONO_MARSHAL_CONV_LPTSTR_SB:
1841 return mono_string_utf8_to_builder;
1842 case MONO_MARSHAL_CONV_LPWSTR_SB:
1843 return mono_string_utf16_to_builder;
1844 case MONO_MARSHAL_FREE_ARRAY:
1845 return mono_marshal_free_array;
1846 case MONO_MARSHAL_CONV_STR_BYVALSTR:
1847 return mono_string_to_byvalstr;
1848 case MONO_MARSHAL_CONV_STR_BYVALWSTR:
1849 return mono_string_to_byvalwstr;
1851 g_assert_not_reached ();
1858 emit_object_to_ptr_conv (MonoMethodBuilder *mb, MonoType *type, MonoMarshalConv conv, MonoMarshalSpec *mspec)
1863 case MONO_MARSHAL_CONV_BOOL_I4:
1864 mono_mb_emit_ldloc (mb, 1);
1865 mono_mb_emit_ldloc (mb, 0);
1866 mono_mb_emit_byte (mb, CEE_LDIND_U1);
1867 mono_mb_emit_byte (mb, CEE_STIND_I4);
1869 case MONO_MARSHAL_CONV_BOOL_VARIANTBOOL:
1870 mono_mb_emit_ldloc (mb, 1);
1871 mono_mb_emit_ldloc (mb, 0);
1872 mono_mb_emit_byte (mb, CEE_LDIND_U1);
1873 mono_mb_emit_byte (mb, CEE_NEG);
1874 mono_mb_emit_byte (mb, CEE_STIND_I2);
1876 case MONO_MARSHAL_CONV_STR_LPWSTR:
1877 case MONO_MARSHAL_CONV_STR_LPSTR:
1878 case MONO_MARSHAL_CONV_STR_LPTSTR:
1879 case MONO_MARSHAL_CONV_STR_BSTR:
1880 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
1881 case MONO_MARSHAL_CONV_STR_TBSTR: {
1884 /* free space if free == true */
1885 mono_mb_emit_ldloc (mb, 2);
1886 pos = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
1887 mono_mb_emit_ldloc (mb, 1);
1888 mono_mb_emit_byte (mb, CEE_LDIND_I);
1889 mono_mb_emit_icall (mb, g_free);
1890 mono_mb_patch_short_branch (mb, pos);
1892 mono_mb_emit_ldloc (mb, 1);
1893 mono_mb_emit_ldloc (mb, 0);
1894 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1895 mono_mb_emit_icall (mb, conv_to_icall (conv));
1896 mono_mb_emit_byte (mb, CEE_STIND_I);
1899 case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
1900 case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
1901 case MONO_MARSHAL_CONV_DEL_FTN:
1902 mono_mb_emit_ldloc (mb, 1);
1903 mono_mb_emit_ldloc (mb, 0);
1904 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1905 mono_mb_emit_icall (mb, conv_to_icall (conv));
1906 mono_mb_emit_byte (mb, CEE_STIND_I);
1908 case MONO_MARSHAL_CONV_STR_BYVALSTR:
1909 case MONO_MARSHAL_CONV_STR_BYVALWSTR: {
1912 mono_mb_emit_ldloc (mb, 1); /* dst */
1913 mono_mb_emit_ldloc (mb, 0);
1914 mono_mb_emit_byte (mb, CEE_LDIND_REF); /* src String */
1915 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1916 mono_mb_emit_icall (mb, conv_to_icall (conv));
1919 case MONO_MARSHAL_CONV_ARRAY_BYVALARRAY: {
1920 MonoClass *eklass = NULL;
1923 if (type->type == MONO_TYPE_SZARRAY) {
1924 eklass = type->data.klass;
1926 g_assert_not_reached ();
1929 if (eklass->valuetype)
1930 esize = mono_class_native_size (eklass, NULL);
1932 esize = sizeof (gpointer);
1934 mono_mb_emit_ldloc (mb, 0);
1935 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1936 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
1938 if (eklass->blittable) {
1939 mono_mb_emit_ldloc (mb, 1);
1940 mono_mb_emit_ldloc (mb, 0);
1941 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1942 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoArray, vector));
1943 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem * esize);
1944 mono_mb_emit_byte (mb, CEE_PREFIX1);
1945 mono_mb_emit_byte (mb, CEE_CPBLK);
1947 int array_var, src_var, dst_var, index_var;
1948 guint32 label2, label3;
1950 array_var = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
1951 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1952 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1955 mono_mb_emit_ldloc (mb, 0);
1956 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1957 mono_mb_emit_stloc (mb, array_var);
1959 /* save the old src pointer */
1960 mono_mb_emit_ldloc (mb, 0);
1961 mono_mb_emit_stloc (mb, src_var);
1962 /* save the old dst pointer */
1963 mono_mb_emit_ldloc (mb, 1);
1964 mono_mb_emit_stloc (mb, dst_var);
1966 /* Emit marshalling loop */
1967 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1968 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
1969 mono_mb_emit_stloc (mb, index_var);
1973 mono_mb_emit_ldloc (mb, index_var);
1974 mono_mb_emit_ldloc (mb, array_var);
1975 mono_mb_emit_byte (mb, CEE_LDLEN);
1976 label3 = mono_mb_emit_branch (mb, CEE_BGE);
1979 mono_mb_emit_ldloc (mb, array_var);
1980 mono_mb_emit_ldloc (mb, index_var);
1981 mono_mb_emit_op (mb, CEE_LDELEMA, eklass);
1982 mono_mb_emit_stloc (mb, 0);
1984 /* dst is already set */
1986 /* Do the conversion */
1987 emit_struct_conv (mb, eklass, FALSE);
1990 mono_mb_emit_add_to_local (mb, index_var, 1);
1992 mono_mb_emit_byte (mb, CEE_BR);
1993 mono_mb_emit_i4 (mb, label2 - (mb->pos + 4));
1995 mono_mb_patch_branch (mb, label3);
1997 /* restore the old src pointer */
1998 mono_mb_emit_ldloc (mb, src_var);
1999 mono_mb_emit_stloc (mb, 0);
2000 /* restore the old dst pointer */
2001 mono_mb_emit_ldloc (mb, dst_var);
2002 mono_mb_emit_stloc (mb, 1);
2005 mono_mb_patch_branch (mb, pos);
2008 case MONO_MARSHAL_CONV_ARRAY_BYVALCHARARRAY: {
2009 mono_mb_emit_ldloc (mb, 0);
2010 mono_mb_emit_byte (mb, CEE_LDIND_REF);
2011 pos = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
2013 mono_mb_emit_ldloc (mb, 1);
2014 mono_mb_emit_ldloc (mb, 0);
2015 mono_mb_emit_byte (mb, CEE_LDIND_REF);
2016 mono_mb_emit_ptr (mb, mono_defaults.byte_class);
2017 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
2018 mono_mb_emit_icall (mb, mono_array_to_byvalarray);
2019 mono_mb_patch_short_branch (mb, pos);
2022 case MONO_MARSHAL_CONV_OBJECT_STRUCT: {
2023 int src_var, dst_var;
2025 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2026 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2028 mono_mb_emit_ldloc (mb, 0);
2029 mono_mb_emit_byte (mb, CEE_LDIND_I);
2030 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
2032 /* save the old src pointer */
2033 mono_mb_emit_ldloc (mb, 0);
2034 mono_mb_emit_stloc (mb, src_var);
2035 /* save the old dst pointer */
2036 mono_mb_emit_ldloc (mb, 1);
2037 mono_mb_emit_stloc (mb, dst_var);
2039 /* src = pointer to object data */
2040 mono_mb_emit_ldloc (mb, 0);
2041 mono_mb_emit_byte (mb, CEE_LDIND_I);
2042 mono_mb_emit_icon (mb, sizeof (MonoObject));
2043 mono_mb_emit_byte (mb, CEE_ADD);
2044 mono_mb_emit_stloc (mb, 0);
2046 emit_struct_conv (mb, mono_class_from_mono_type (type), FALSE);
2048 /* restore the old src pointer */
2049 mono_mb_emit_ldloc (mb, src_var);
2050 mono_mb_emit_stloc (mb, 0);
2051 /* restore the old dst pointer */
2052 mono_mb_emit_ldloc (mb, dst_var);
2053 mono_mb_emit_stloc (mb, 1);
2055 mono_mb_patch_branch (mb, pos);
2058 case MONO_MARSHAL_CONV_OBJECT_INTERFACE:
2059 case MONO_MARSHAL_CONV_OBJECT_IDISPATCH:
2060 case MONO_MARSHAL_CONV_OBJECT_IUNKNOWN: {
2061 guint32 pos_failed = 0, pos_rcw = 0;
2064 mono_mb_emit_ldloc (mb, 1);
2065 //mono_mb_emit_ldloc (mb, 0);
2066 mono_mb_emit_ptr (mb, 0);
2067 //mono_mb_emit_byte (mb, CEE_LDIND_U1);
2068 mono_mb_emit_byte (mb, CEE_STIND_I);
2070 mono_mb_emit_ldloc (mb, 0);
2071 mono_mb_emit_byte (mb, CEE_LDIND_REF);
2073 // if null just break, dst was already inited to 0
2074 pos_failed = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
2076 mono_mb_emit_ldloc (mb, 0);
2077 mono_mb_emit_byte (mb, CEE_LDIND_REF);
2078 mono_mb_emit_icall (mb, cominterop_object_is_rcw);
2079 pos_rcw = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
2081 // load dst to store later
2082 mono_mb_emit_ldloc (mb, 1);
2085 mono_mb_emit_ldloc (mb, 0);
2086 mono_mb_emit_byte (mb, CEE_LDIND_REF);
2087 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
2088 mono_mb_emit_byte (mb, CEE_LDIND_REF);
2090 /* load the RCW from the ComInteropProxy*/
2091 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoComInteropProxy, com_object));
2092 mono_mb_emit_byte (mb, CEE_LDIND_REF);
2094 if (conv == MONO_MARSHAL_CONV_OBJECT_INTERFACE) {
2095 static MonoMethod* GetInterface = NULL;
2098 GetInterface = mono_class_get_method_from_name (mono_defaults.com_object_class, "GetInterface", 1);
2099 mono_mb_emit_ptr (mb, type);
2100 mono_mb_emit_icall (mb, type_from_handle);
2101 mono_mb_emit_managed_call (mb, GetInterface, NULL);
2103 else if (conv == MONO_MARSHAL_CONV_OBJECT_IUNKNOWN) {
2104 static MonoProperty* iunknown = NULL;
2107 iunknown = mono_class_get_property_from_name (mono_defaults.com_object_class, "IUnknown");
2108 mono_mb_emit_managed_call (mb, iunknown->get, NULL);
2110 else if (conv == MONO_MARSHAL_CONV_OBJECT_IDISPATCH) {
2111 static MonoProperty* idispatch = NULL;
2114 idispatch = mono_class_get_property_from_name (mono_defaults.com_object_class, "IDispatch");
2115 mono_mb_emit_managed_call (mb, idispatch->get, NULL);
2119 mono_mb_emit_byte (mb, CEE_STIND_I);
2122 mono_mb_patch_short_branch (mb, pos_rcw);
2123 msg = g_strdup ("Marshalling of COM Callable Wrappers is not yet implemented.");
2124 mono_mb_emit_exception_marshal_directive (mb, msg);
2127 mono_mb_patch_short_branch (mb, pos_failed);
2131 char *msg = g_strdup_printf ("marshalling conversion %d not implemented", conv);
2132 MonoException *exc = mono_get_exception_not_implemented (msg);
2135 mono_raise_exception (exc);
2141 emit_struct_conv (MonoMethodBuilder *mb, MonoClass *klass, gboolean to_object)
2143 MonoMarshalType *info;
2147 emit_struct_conv(mb, klass->parent, to_object);
2149 info = mono_marshal_load_type_info (klass);
2151 if (info->native_size == 0)
2154 if (klass->blittable) {
2155 int msize = mono_class_value_size (klass, NULL);
2156 g_assert (msize == info->native_size);
2157 mono_mb_emit_ldloc (mb, 1);
2158 mono_mb_emit_ldloc (mb, 0);
2159 mono_mb_emit_icon (mb, msize);
2160 mono_mb_emit_byte (mb, CEE_PREFIX1);
2161 mono_mb_emit_byte (mb, CEE_CPBLK);
2163 mono_mb_emit_add_to_local (mb, 0, msize);
2164 mono_mb_emit_add_to_local (mb, 1, msize);
2168 for (i = 0; i < info->num_fields; i++) {
2169 MonoMarshalNative ntype;
2170 MonoMarshalConv conv;
2171 MonoType *ftype = info->fields [i].field->type;
2174 gboolean last_field = i < (info->num_fields -1) ? 0 : 1;
2176 if (ftype->attrs & FIELD_ATTRIBUTE_STATIC)
2179 ntype = mono_type_to_unmanaged (ftype, info->fields [i].mspec, TRUE, klass->unicode, &conv);
2182 msize = klass->instance_size - info->fields [i].field->offset;
2183 usize = info->native_size - info->fields [i].offset;
2185 msize = info->fields [i + 1].field->offset - info->fields [i].field->offset;
2186 usize = info->fields [i + 1].offset - info->fields [i].offset;
2190 * FIXME: Should really check for usize==0 and msize>0, but we apply
2191 * the layout to the managed structure as well.
2193 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) && (usize == 0)) {
2194 if (MONO_TYPE_IS_REFERENCE (info->fields [i].field->type) || ((!last_field && MONO_TYPE_IS_REFERENCE (info->fields [i + 1].field->type))))
2195 g_error ("Type %s which has an [ExplicitLayout] attribute cannot have a reference field at the same offset as another field.", mono_type_full_name (&klass->byval_arg));
2198 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT)
2199 g_error ("Type %s which is passed to unmanaged code must have a StructLayout attribute", mono_type_full_name (&klass->byval_arg));
2202 case MONO_MARSHAL_CONV_NONE: {
2205 if (ftype->byref || ftype->type == MONO_TYPE_I ||
2206 ftype->type == MONO_TYPE_U) {
2207 mono_mb_emit_ldloc (mb, 1);
2208 mono_mb_emit_ldloc (mb, 0);
2209 mono_mb_emit_byte (mb, CEE_LDIND_I);
2210 mono_mb_emit_byte (mb, CEE_STIND_I);
2221 case MONO_TYPE_BOOLEAN:
2224 case MONO_TYPE_CHAR:
2230 mono_mb_emit_ldloc (mb, 1);
2231 mono_mb_emit_ldloc (mb, 0);
2232 mono_mb_emit_byte (mb, mono_type_to_ldind (ftype));
2233 mono_mb_emit_byte (mb, mono_type_to_stind (ftype));
2235 case MONO_TYPE_VALUETYPE: {
2236 int src_var, dst_var;
2238 if (ftype->data.klass->enumtype) {
2239 ftype = ftype->data.klass->enum_basetype;
2243 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2244 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2246 /* save the old src pointer */
2247 mono_mb_emit_ldloc (mb, 0);
2248 mono_mb_emit_stloc (mb, src_var);
2249 /* save the old dst pointer */
2250 mono_mb_emit_ldloc (mb, 1);
2251 mono_mb_emit_stloc (mb, dst_var);
2253 emit_struct_conv (mb, ftype->data.klass, to_object);
2255 /* restore the old src pointer */
2256 mono_mb_emit_ldloc (mb, src_var);
2257 mono_mb_emit_stloc (mb, 0);
2258 /* restore the old dst pointer */
2259 mono_mb_emit_ldloc (mb, dst_var);
2260 mono_mb_emit_stloc (mb, 1);
2263 case MONO_TYPE_OBJECT: {
2265 static MonoMethod *variant_clear = NULL;
2266 static MonoMethod *get_object_for_native_variant = NULL;
2268 variant_clear = mono_class_get_method_from_name (mono_defaults.variant_class, "Clear", 0);
2269 if (!get_object_for_native_variant)
2270 get_object_for_native_variant = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetObjectForNativeVariant", 1);
2271 mono_mb_emit_ldloc (mb, 1);
2272 mono_mb_emit_ldloc (mb, 0);
2273 mono_mb_emit_managed_call (mb, get_object_for_native_variant, NULL);
2274 mono_mb_emit_byte (mb, CEE_STIND_REF);
2276 mono_mb_emit_ldloc (mb, 0);
2277 mono_mb_emit_managed_call (mb, variant_clear, NULL);
2280 static MonoMethod *get_native_variant_for_object = NULL;
2281 if (!get_native_variant_for_object)
2282 get_native_variant_for_object = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetNativeVariantForObject", 2);
2284 mono_mb_emit_ldloc (mb, 0);
2285 mono_mb_emit_byte(mb, CEE_LDIND_REF);
2286 mono_mb_emit_ldloc (mb, 1);
2287 mono_mb_emit_managed_call (mb, get_native_variant_for_object, NULL);
2293 g_warning ("marshaling type %02x not implemented", ftype->type);
2294 g_assert_not_reached ();
2299 int src_var, dst_var;
2301 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2302 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2304 /* save the old src pointer */
2305 mono_mb_emit_ldloc (mb, 0);
2306 mono_mb_emit_stloc (mb, src_var);
2307 /* save the old dst pointer */
2308 mono_mb_emit_ldloc (mb, 1);
2309 mono_mb_emit_stloc (mb, dst_var);
2312 emit_ptr_to_object_conv (mb, ftype, conv, info->fields [i].mspec);
2314 emit_object_to_ptr_conv (mb, ftype, conv, info->fields [i].mspec);
2316 /* restore the old src pointer */
2317 mono_mb_emit_ldloc (mb, src_var);
2318 mono_mb_emit_stloc (mb, 0);
2319 /* restore the old dst pointer */
2320 mono_mb_emit_ldloc (mb, dst_var);
2321 mono_mb_emit_stloc (mb, 1);
2326 mono_mb_emit_add_to_local (mb, 0, usize);
2327 mono_mb_emit_add_to_local (mb, 1, msize);
2329 mono_mb_emit_add_to_local (mb, 0, msize);
2330 mono_mb_emit_add_to_local (mb, 1, usize);
2336 emit_struct_free (MonoMethodBuilder *mb, MonoClass *klass, int struct_var)
2338 /* Call DestroyStructure */
2339 /* FIXME: Only do this if needed */
2340 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2341 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
2342 mono_mb_emit_ldloc (mb, struct_var);
2343 mono_mb_emit_icall (mb, mono_struct_delete_old);
2347 emit_thread_interrupt_checkpoint_call (MonoMethodBuilder *mb, gpointer checkpoint_func)
2351 mono_mb_emit_ptr (mb, (gpointer) mono_thread_interruption_request_flag ());
2352 mono_mb_emit_byte (mb, CEE_LDIND_U4);
2353 pos_noabort = mono_mb_emit_branch (mb, CEE_BRFALSE);
2355 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2356 mono_mb_emit_byte (mb, CEE_MONO_NOT_TAKEN);
2358 mono_mb_emit_icall (mb, checkpoint_func);
2360 mono_mb_patch_addr (mb, pos_noabort, mb->pos - (pos_noabort + 4));
2364 emit_thread_interrupt_checkpoint (MonoMethodBuilder *mb)
2366 if (strstr (mb->name, "mono_thread_interruption_checkpoint"))
2369 emit_thread_interrupt_checkpoint_call (mb, mono_thread_interruption_checkpoint);
2373 emit_thread_force_interrupt_checkpoint (MonoMethodBuilder *mb)
2375 emit_thread_interrupt_checkpoint_call (mb, mono_thread_force_interruption_checkpoint);
2378 static MonoAsyncResult *
2379 mono_delegate_begin_invoke (MonoDelegate *delegate, gpointer *params)
2381 MonoMethodMessage *msg;
2382 MonoDelegate *async_callback;
2386 MonoMethod *method = NULL, *method2 = NULL;
2388 g_assert (delegate);
2390 if (delegate->target && mono_object_class (delegate->target) == mono_defaults.transparent_proxy_class) {
2392 MonoTransparentProxy* tp = (MonoTransparentProxy *)delegate->target;
2393 if (!tp->remote_class->proxy_class->contextbound || tp->rp->context != (MonoObject *) mono_context_get ()) {
2395 /* If the target is a proxy, make a direct call. Is proxy's work
2396 // to make the call asynchronous.
2398 MonoAsyncResult *ares;
2400 MonoArray *out_args;
2402 method = delegate->method_info->method;
2404 msg = mono_method_call_message_new (mono_marshal_method_from_wrapper (method), params, NULL, &async_callback, &state);
2405 handle = CreateEvent (NULL, TRUE, FALSE, NULL);
2406 ares = mono_async_result_new (mono_domain_get (), handle, state, handle, NULL);
2407 MONO_OBJECT_SETREF (ares, async_delegate, (MonoObject *)delegate);
2408 MONO_OBJECT_SETREF (ares, async_callback, (MonoObject *)async_callback);
2409 MONO_OBJECT_SETREF (msg, async_result, ares);
2410 msg->call_type = CallType_BeginInvoke;
2412 mono_remoting_invoke ((MonoObject *)tp->rp, msg, &exc, &out_args);
2417 klass = delegate->object.vtable->klass;
2419 method = mono_get_delegate_invoke (klass);
2420 method2 = mono_class_get_method_from_name (klass, "BeginInvoke", -1);
2423 g_assert (method != NULL);
2425 im = mono_get_delegate_invoke (method->klass);
2426 msg = mono_method_call_message_new (method, params, im, &async_callback, &state);
2428 return mono_thread_pool_add ((MonoObject *)delegate, msg, async_callback, state);
2432 mono_mb_emit_save_args (MonoMethodBuilder *mb, MonoMethodSignature *sig, gboolean save_this)
2434 int i, params_var, tmp_var;
2436 /* allocate local (pointer) *params[] */
2437 params_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2438 /* allocate local (pointer) tmp */
2439 tmp_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2441 /* alloate space on stack to store an array of pointers to the arguments */
2442 mono_mb_emit_icon (mb, sizeof (gpointer) * (sig->param_count + 1));
2443 mono_mb_emit_byte (mb, CEE_PREFIX1);
2444 mono_mb_emit_byte (mb, CEE_LOCALLOC);
2445 mono_mb_emit_stloc (mb, params_var);
2448 mono_mb_emit_ldloc (mb, params_var);
2449 mono_mb_emit_stloc (mb, tmp_var);
2451 if (save_this && sig->hasthis) {
2452 mono_mb_emit_ldloc (mb, tmp_var);
2453 mono_mb_emit_ldarg_addr (mb, 0);
2454 mono_mb_emit_byte (mb, CEE_STIND_I);
2455 /* tmp = tmp + sizeof (gpointer) */
2456 if (sig->param_count)
2457 mono_mb_emit_add_to_local (mb, tmp_var, sizeof (gpointer));
2461 for (i = 0; i < sig->param_count; i++) {
2462 mono_mb_emit_ldloc (mb, tmp_var);
2463 mono_mb_emit_ldarg_addr (mb, i + sig->hasthis);
2464 mono_mb_emit_byte (mb, CEE_STIND_I);
2465 /* tmp = tmp + sizeof (gpointer) */
2466 if (i < (sig->param_count - 1))
2467 mono_mb_emit_add_to_local (mb, tmp_var, sizeof (gpointer));
2474 mono_signature_to_name (MonoMethodSignature *sig, const char *prefix)
2478 GString *res = g_string_new ("");
2481 g_string_append (res, prefix);
2482 g_string_append_c (res, '_');
2485 mono_type_get_desc (res, sig->ret, FALSE);
2487 for (i = 0; i < sig->param_count; ++i) {
2488 g_string_append_c (res, '_');
2489 mono_type_get_desc (res, sig->params [i], FALSE);
2492 g_string_free (res, FALSE);
2497 * mono_marshal_get_string_encoding:
2499 * Return the string encoding which should be used for a given parameter.
2501 static MonoMarshalNative
2502 mono_marshal_get_string_encoding (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
2504 /* First try the parameter marshal info */
2506 if (spec->native == MONO_NATIVE_LPARRAY) {
2507 if ((spec->data.array_data.elem_type != 0) && (spec->data.array_data.elem_type != MONO_NATIVE_MAX))
2508 return spec->data.array_data.elem_type;
2511 return spec->native;
2515 return MONO_NATIVE_LPSTR;
2517 /* Then try the method level marshal info */
2518 switch (piinfo->piflags & PINVOKE_ATTRIBUTE_CHAR_SET_MASK) {
2519 case PINVOKE_ATTRIBUTE_CHAR_SET_ANSI:
2520 return MONO_NATIVE_LPSTR;
2521 case PINVOKE_ATTRIBUTE_CHAR_SET_UNICODE:
2522 return MONO_NATIVE_LPWSTR;
2523 case PINVOKE_ATTRIBUTE_CHAR_SET_AUTO:
2524 #ifdef PLATFORM_WIN32
2525 return MONO_NATIVE_LPWSTR;
2527 return MONO_NATIVE_LPSTR;
2530 return MONO_NATIVE_LPSTR;
2534 static MonoMarshalConv
2535 mono_marshal_get_string_to_ptr_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
2537 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
2540 case MONO_NATIVE_LPWSTR:
2541 return MONO_MARSHAL_CONV_STR_LPWSTR;
2542 case MONO_NATIVE_LPSTR:
2543 return MONO_MARSHAL_CONV_STR_LPSTR;
2544 case MONO_NATIVE_LPTSTR:
2545 return MONO_MARSHAL_CONV_STR_LPTSTR;
2546 case MONO_NATIVE_BSTR:
2547 return MONO_MARSHAL_CONV_STR_BSTR;
2553 static MonoMarshalConv
2554 mono_marshal_get_stringbuilder_to_ptr_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
2556 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
2559 case MONO_NATIVE_LPWSTR:
2560 return MONO_MARSHAL_CONV_SB_LPWSTR;
2562 case MONO_NATIVE_LPSTR:
2563 return MONO_MARSHAL_CONV_SB_LPSTR;
2565 case MONO_NATIVE_LPTSTR:
2566 return MONO_MARSHAL_CONV_SB_LPTSTR;
2573 static MonoMarshalConv
2574 mono_marshal_get_ptr_to_string_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec, gboolean *need_free)
2576 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
2581 case MONO_NATIVE_LPWSTR:
2582 return MONO_MARSHAL_CONV_LPWSTR_STR;
2583 case MONO_NATIVE_LPSTR:
2584 return MONO_MARSHAL_CONV_LPSTR_STR;
2585 case MONO_NATIVE_LPTSTR:
2586 return MONO_MARSHAL_CONV_LPTSTR_STR;
2587 case MONO_NATIVE_BSTR:
2588 return MONO_MARSHAL_CONV_BSTR_STR;
2594 static MonoMarshalConv
2595 mono_marshal_get_ptr_to_stringbuilder_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec, gboolean *need_free)
2597 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
2602 case MONO_NATIVE_LPWSTR:
2604 * mono_string_builder_to_utf16 does not allocate a
2605 * new buffer, so no need to free it.
2608 return MONO_MARSHAL_CONV_LPWSTR_SB;
2609 case MONO_NATIVE_LPSTR:
2610 return MONO_MARSHAL_CONV_LPSTR_SB;
2612 case MONO_NATIVE_LPTSTR:
2613 return MONO_MARSHAL_CONV_LPTSTR_SB;
2621 * Return whenever a field of a native structure or an array member needs to
2625 mono_marshal_need_free (MonoType *t, MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
2627 MonoMarshalNative encoding;
2628 MonoMarshalConv conv;
2631 case MONO_TYPE_VALUETYPE:
2632 /* FIXME: Optimize this */
2634 case MONO_TYPE_OBJECT:
2635 case MONO_TYPE_CLASS:
2636 if (t->data.klass == mono_defaults.stringbuilder_class) {
2638 conv = mono_marshal_get_ptr_to_stringbuilder_conv (piinfo, spec, &need_free);
2642 case MONO_TYPE_STRING:
2643 encoding = mono_marshal_get_string_encoding (piinfo, spec);
2644 return (encoding == MONO_NATIVE_LPWSTR) ? FALSE : TRUE;
2650 static inline MonoMethod*
2651 mono_marshal_find_in_cache (GHashTable *cache, gpointer key)
2655 mono_marshal_lock ();
2656 res = g_hash_table_lookup (cache, key);
2657 mono_marshal_unlock ();
2661 /* Create the method from the builder and place it in the cache */
2662 static inline MonoMethod*
2663 mono_mb_create_and_cache (GHashTable *cache, gpointer key,
2664 MonoMethodBuilder *mb, MonoMethodSignature *sig,
2669 mono_loader_lock ();
2670 mono_marshal_lock ();
2671 res = g_hash_table_lookup (cache, key);
2673 /* This does not acquire any locks */
2674 res = mono_mb_create_method (mb, sig, max_stack);
2675 g_hash_table_insert (cache, key, res);
2676 g_hash_table_insert (wrapper_hash, res, key);
2678 mono_marshal_unlock ();
2679 mono_loader_unlock ();
2685 static inline MonoMethod*
2686 mono_marshal_remoting_find_in_cache (MonoMethod *method, int wrapper_type)
2688 MonoMethod *res = NULL;
2689 MonoRemotingMethods *wrps;
2691 mono_marshal_lock ();
2692 wrps = g_hash_table_lookup (method->klass->image->remoting_invoke_cache, method);
2695 switch (wrapper_type) {
2696 case MONO_WRAPPER_REMOTING_INVOKE: res = wrps->invoke; break;
2697 case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK: res = wrps->invoke_with_check; break;
2698 case MONO_WRAPPER_XDOMAIN_INVOKE: res = wrps->xdomain_invoke; break;
2699 case MONO_WRAPPER_XDOMAIN_DISPATCH: res = wrps->xdomain_dispatch; break;
2703 mono_marshal_unlock ();
2707 /* Create the method from the builder and place it in the cache */
2708 static inline MonoMethod*
2709 mono_remoting_mb_create_and_cache (MonoMethod *key, MonoMethodBuilder *mb,
2710 MonoMethodSignature *sig, int max_stack)
2712 MonoMethod **res = NULL;
2713 MonoRemotingMethods *wrps;
2714 GHashTable *cache = key->klass->image->remoting_invoke_cache;
2716 mono_loader_lock ();
2717 mono_marshal_lock ();
2718 wrps = g_hash_table_lookup (cache, key);
2720 wrps = g_new0 (MonoRemotingMethods, 1);
2721 g_hash_table_insert (cache, key, wrps);
2724 switch (mb->method->wrapper_type) {
2725 case MONO_WRAPPER_REMOTING_INVOKE: res = &wrps->invoke; break;
2726 case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK: res = &wrps->invoke_with_check; break;
2727 case MONO_WRAPPER_XDOMAIN_INVOKE: res = &wrps->xdomain_invoke; break;
2728 case MONO_WRAPPER_XDOMAIN_DISPATCH: res = &wrps->xdomain_dispatch; break;
2729 default: g_assert_not_reached (); break;
2733 /* This does not acquire any locks */
2734 *res = mono_mb_create_method (mb, sig, max_stack);
2735 g_hash_table_insert (wrapper_hash, *res, key);
2738 mono_marshal_unlock ();
2739 mono_loader_unlock ();
2745 mono_marshal_method_from_wrapper (MonoMethod *wrapper)
2749 if (wrapper->wrapper_type == MONO_WRAPPER_NONE)
2752 mono_marshal_lock ();
2753 res = g_hash_table_lookup (wrapper_hash, wrapper);
2754 mono_marshal_unlock ();
2759 mono_marshal_get_delegate_begin_invoke (MonoMethod *method)
2761 MonoMethodSignature *sig;
2762 MonoMethodBuilder *mb;
2768 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
2769 !strcmp (method->name, "BeginInvoke"));
2771 sig = signature_no_pinvoke (method);
2773 cache = method->klass->image->delegate_begin_invoke_cache;
2774 if ((res = mono_marshal_find_in_cache (cache, sig)))
2777 g_assert (sig->hasthis);
2779 name = mono_signature_to_name (sig, "begin_invoke");
2780 mb = mono_mb_new (mono_defaults.multicastdelegate_class, name, MONO_WRAPPER_DELEGATE_BEGIN_INVOKE);
2783 mb->method->save_lmf = 1;
2785 params_var = mono_mb_emit_save_args (mb, sig, FALSE);
2787 mono_mb_emit_ldarg (mb, 0);
2788 mono_mb_emit_ldloc (mb, params_var);
2789 mono_mb_emit_icall (mb, mono_delegate_begin_invoke);
2790 emit_thread_interrupt_checkpoint (mb);
2791 mono_mb_emit_byte (mb, CEE_RET);
2793 res = mono_mb_create_and_cache (cache, sig, mb, sig, sig->param_count + 16);
2799 mono_delegate_end_invoke (MonoDelegate *delegate, gpointer *params)
2801 MonoDomain *domain = mono_domain_get ();
2802 MonoAsyncResult *ares;
2803 MonoMethod *method = NULL;
2804 MonoMethodSignature *sig;
2805 MonoMethodMessage *msg;
2806 MonoObject *res, *exc;
2807 MonoArray *out_args;
2810 g_assert (delegate);
2812 if (!delegate->method_info || !delegate->method_info->method)
2813 g_assert_not_reached ();
2815 klass = delegate->object.vtable->klass;
2817 method = mono_class_get_method_from_name (klass, "EndInvoke", -1);
2818 g_assert (method != NULL);
2820 sig = signature_no_pinvoke (method);
2822 msg = mono_method_call_message_new (method, params, NULL, NULL, NULL);
2824 ares = mono_array_get (msg->args, gpointer, sig->param_count - 1);
2827 if (delegate->target && mono_object_class (delegate->target) == mono_defaults.transparent_proxy_class) {
2828 MonoTransparentProxy* tp = (MonoTransparentProxy *)delegate->target;
2829 msg = (MonoMethodMessage *)mono_object_new (domain, mono_defaults.mono_method_message_class);
2830 mono_message_init (domain, msg, delegate->method_info, NULL);
2831 msg->call_type = CallType_EndInvoke;
2832 MONO_OBJECT_SETREF (msg, async_result, ares);
2833 res = mono_remoting_invoke ((MonoObject *)tp->rp, msg, &exc, &out_args);
2836 res = mono_thread_pool_finish (ares, &out_args, &exc);
2839 if (((MonoException*)exc)->stack_trace) {
2840 char *strace = mono_string_to_utf8 (((MonoException*)exc)->stack_trace);
2842 tmp = g_strdup_printf ("%s\nException Rethrown at:\n", strace);
2844 MONO_OBJECT_SETREF (((MonoException*)exc), stack_trace, mono_string_new (domain, tmp));
2847 mono_raise_exception ((MonoException*)exc);
2850 mono_method_return_message_restore (method, params, out_args);
2855 mono_mb_emit_restore_result (MonoMethodBuilder *mb, MonoType *return_type)
2857 MonoType *t = mono_type_get_underlying_type (return_type);
2859 if (return_type->byref)
2860 return_type = &mono_defaults.int_class->byval_arg;
2863 case MONO_TYPE_VOID:
2864 g_assert_not_reached ();
2867 case MONO_TYPE_STRING:
2868 case MONO_TYPE_CLASS:
2869 case MONO_TYPE_OBJECT:
2870 case MONO_TYPE_ARRAY:
2871 case MONO_TYPE_SZARRAY:
2875 case MONO_TYPE_BOOLEAN:
2878 case MONO_TYPE_CHAR:
2888 mono_mb_emit_op (mb, CEE_UNBOX, mono_class_from_mono_type (return_type));
2889 mono_mb_emit_byte (mb, mono_type_to_ldind (return_type));
2891 case MONO_TYPE_GENERICINST:
2892 if (!mono_type_generic_inst_is_valuetype (return_type))
2895 case MONO_TYPE_VALUETYPE: {
2896 MonoClass *klass = mono_class_from_mono_type (return_type);
2897 mono_mb_emit_op (mb, CEE_UNBOX, klass);
2898 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
2902 g_warning ("type 0x%x not handled", return_type->type);
2903 g_assert_not_reached ();
2906 mono_mb_emit_byte (mb, CEE_RET);
2910 mono_marshal_get_delegate_end_invoke (MonoMethod *method)
2912 MonoMethodSignature *sig;
2913 MonoMethodBuilder *mb;
2919 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
2920 !strcmp (method->name, "EndInvoke"));
2922 sig = signature_no_pinvoke (method);
2924 cache = method->klass->image->delegate_end_invoke_cache;
2925 if ((res = mono_marshal_find_in_cache (cache, sig)))
2928 g_assert (sig->hasthis);
2930 name = mono_signature_to_name (sig, "end_invoke");
2931 mb = mono_mb_new (mono_defaults.multicastdelegate_class, name, MONO_WRAPPER_DELEGATE_END_INVOKE);
2934 mb->method->save_lmf = 1;
2936 params_var = mono_mb_emit_save_args (mb, sig, FALSE);
2938 mono_mb_emit_ldarg (mb, 0);
2939 mono_mb_emit_ldloc (mb, params_var);
2940 mono_mb_emit_icall (mb, mono_delegate_end_invoke);
2941 emit_thread_interrupt_checkpoint (mb);
2943 if (sig->ret->type == MONO_TYPE_VOID) {
2944 mono_mb_emit_byte (mb, CEE_POP);
2945 mono_mb_emit_byte (mb, CEE_RET);
2947 mono_mb_emit_restore_result (mb, sig->ret);
2949 res = mono_mb_create_and_cache (cache, sig,
2950 mb, sig, sig->param_count + 16);
2957 mono_remoting_wrapper (MonoMethod *method, gpointer *params)
2959 MonoMethodMessage *msg;
2960 MonoTransparentProxy *this;
2961 MonoObject *res, *exc;
2962 MonoArray *out_args;
2964 this = *((MonoTransparentProxy **)params [0]);
2967 g_assert (((MonoObject *)this)->vtable->klass == mono_defaults.transparent_proxy_class);
2969 /* skip the this pointer */
2972 if (this->remote_class->proxy_class->contextbound && this->rp->context == (MonoObject *) mono_context_get ())
2975 MonoMethodSignature *sig = mono_method_signature (method);
2976 int count = sig->param_count;
2977 gpointer* mparams = (gpointer*) alloca(count*sizeof(gpointer));
2979 for (i=0; i<count; i++) {
2980 MonoClass *class = mono_class_from_mono_type (sig->params [i]);
2981 if (class->valuetype) {
2982 if (sig->params [i]->byref)
2983 mparams[i] = *((gpointer *)params [i]);
2985 mparams[i] = params [i];
2987 mparams[i] = *((gpointer**)params [i]);
2991 return mono_runtime_invoke (method, method->klass->valuetype? mono_object_unbox ((MonoObject*)this): this, mparams, NULL);
2994 msg = mono_method_call_message_new (method, params, NULL, NULL, NULL);
2996 res = mono_remoting_invoke ((MonoObject *)this->rp, msg, &exc, &out_args);
2999 mono_raise_exception ((MonoException *)exc);
3001 mono_method_return_message_restore (method, params, out_args);
3007 * cominterop_get_native_wrapper_adjusted:
3008 * @method: managed COM Interop method
3010 * Returns: the generated method to call with signature matching
3011 * the unmanaged COM Method signature
3014 cominterop_get_native_wrapper_adjusted (MonoMethod *method)
3017 MonoMethodBuilder *mb_native;
3018 MonoMarshalSpec **mspecs;
3019 MonoMethodSignature *sig, *sig_native;
3020 MonoMethodPInvoke *piinfo = (MonoMethodPInvoke *) method;
3023 sig = mono_method_signature (method);
3025 // create unmanaged wrapper
3026 mb_native = mono_mb_new (method->klass, method->name, MONO_WRAPPER_MANAGED_TO_NATIVE);
3027 sig_native = signature_cominterop (method->klass->image, sig);
3029 mspecs = g_new (MonoMarshalSpec*, sig_native->param_count+1);
3030 memset (mspecs, 0, sizeof(MonoMarshalSpec*)*(sig_native->param_count+1));
3032 mono_method_get_marshal_info (method, mspecs);
3034 // move managed args up one
3035 for (i = sig->param_count; i >= 1; i--)
3036 mspecs[i+1] = mspecs[i];
3038 // first arg is IntPtr for interface
3041 // move return spec to last param
3042 if (!MONO_TYPE_IS_VOID (sig->ret))
3043 mspecs[sig_native->param_count] = mspecs[0];
3047 mono_marshal_emit_native_wrapper(mono_defaults.corlib, mb_native, sig_native, piinfo, mspecs, piinfo->addr);
3049 mono_loader_lock ();
3050 mono_marshal_lock ();
3051 res = mono_mb_create_method (mb_native, sig_native, sig_native->param_count + 16);
3052 mono_marshal_unlock ();
3053 mono_loader_unlock ();
3055 mono_mb_free (mb_native);
3057 for (i = sig_native->param_count; i >= 0; i--)
3059 mono_metadata_free_marshal_spec (mspecs [i]);
3066 * cominterop_get_native_wrapper:
3067 * @method: managed method
3069 * Returns: the generated method to call
3072 cominterop_get_native_wrapper (MonoMethod *method)
3076 MonoMethodBuilder *mb;
3077 MonoMethodSignature *sig, *csig;
3081 cache = method->klass->image->cominterop_wrapper_cache;
3082 if ((res = mono_marshal_find_in_cache (cache, method)))
3085 sig = mono_method_signature (method);
3086 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_COMINTEROP);
3088 /* if method klass is import, that means method
3089 * is really a com call. let interop system emit it.
3091 if (MONO_CLASS_IS_IMPORT(method->klass)) {
3092 /* FIXME: we have to call actual class .ctor
3093 * instead of just __ComObject .ctor.
3095 if (!strcmp(method->name, ".ctor")) {
3096 static MonoMethod *ctor = NULL;
3099 ctor = mono_class_get_method_from_name (mono_defaults.com_object_class, ".ctor", 0);
3100 mono_mb_emit_ldarg (mb, 0);
3101 mono_mb_emit_managed_call (mb, ctor, NULL);
3102 mono_mb_emit_byte (mb, CEE_RET);
3105 static MonoMethod * ThrowExceptionForHR = NULL;
3106 static MonoMethod * GetInterface = NULL;
3107 MonoMethod *adjusted_method;
3113 GetInterface = mono_class_get_method_from_name (mono_defaults.com_object_class, "GetInterface", 1);
3115 // add local variables
3116 hr = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
3117 ptr_this = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
3118 if (!MONO_TYPE_IS_VOID (sig->ret))
3119 retval = mono_mb_add_local (mb, sig->ret);
3121 // get the type for the interface the method is defined on
3122 // and then get the underlying COM interface for that type
3123 mono_mb_emit_ldarg (mb, 0);
3124 mono_mb_emit_ptr (mb, method);
3125 mono_mb_emit_icall (mb, cominterop_get_method_interface);
3126 mono_mb_emit_managed_call (mb, GetInterface, NULL);
3127 mono_mb_emit_stloc (mb, ptr_this);
3129 // arg 1 is unmanaged this pointer
3130 mono_mb_emit_ldloc (mb, ptr_this);
3133 for (i = 1; i <= sig->param_count; i++)
3134 mono_mb_emit_ldarg (mb, i);
3136 // push managed return value as byref last argument
3137 if (!MONO_TYPE_IS_VOID (sig->ret))
3138 mono_mb_emit_ldloc_addr (mb, retval);
3140 adjusted_method = cominterop_get_native_wrapper_adjusted (method);
3141 mono_mb_emit_managed_call (mb, adjusted_method, NULL);
3143 // store HRESULT to check
3144 mono_mb_emit_stloc (mb, hr);
3146 if (!ThrowExceptionForHR)
3147 ThrowExceptionForHR = mono_class_get_method_from_name (mono_defaults.marshal_class, "ThrowExceptionForHR", 1);
3148 mono_mb_emit_ldloc (mb, hr);
3149 mono_mb_emit_managed_call (mb, ThrowExceptionForHR, NULL);
3151 // load return value managed is expecting
3152 if (!MONO_TYPE_IS_VOID (sig->ret))
3153 mono_mb_emit_ldloc (mb, retval);
3155 mono_mb_emit_byte (mb, CEE_RET);
3160 /* Does this case ever get hit? */
3162 char *msg = g_strdup ("non imported interfaces on \
3163 imported classes is not yet implemented.");
3164 mono_mb_emit_exception (mb, "NotSupportedException", msg);
3166 csig = signature_dup (method->klass->image, sig);
3168 res = mono_mb_create_and_cache (cache, method,
3169 mb, csig, csig->param_count + 16);
3175 * cominterop_get_invoke:
3176 * @method: managed method
3178 * Returns: the generated method that calls the underlying __ComObject
3179 * rather than the proxy object.
3182 cominterop_get_invoke (MonoMethod *method)
3184 MonoMethodSignature *sig;
3185 MonoMethodBuilder *mb;
3188 GHashTable* cache = method->klass->image->cominterop_invoke_cache;
3192 if ((res = mono_marshal_find_in_cache (cache, method)))
3195 sig = signature_no_pinvoke (method);
3197 /* we cant remote methods without this pointer */
3201 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_COMINTEROP_INVOKE);
3203 /* get real proxy object, which is a ComInteropProxy in this case*/
3204 temp_obj = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3205 mono_mb_emit_ldarg (mb, 0);
3206 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
3207 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3209 /* load the RCW from the ComInteropProxy*/
3210 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoComInteropProxy, com_object));
3211 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3213 /* load args and make the call on the RCW */
3214 for (i = 1; i <= sig->param_count; i++)
3215 mono_mb_emit_ldarg (mb, i);
3217 if (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) {
3218 MonoMethod * native_wrapper = cominterop_get_native_wrapper(method);
3219 mono_mb_emit_managed_call (mb, native_wrapper, NULL);
3222 if (method->flags & METHOD_ATTRIBUTE_VIRTUAL)
3223 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
3225 mono_mb_emit_op (mb, CEE_CALL, method);
3228 if (!strcmp(method->name, ".ctor")) {
3229 static MonoClass *com_interop_proxy_class = NULL;
3230 static MonoMethod *cache_proxy = NULL;
3232 if (!com_interop_proxy_class)
3233 com_interop_proxy_class = mono_class_from_name (mono_defaults.corlib, "Mono.Interop", "ComInteropProxy");
3235 cache_proxy = mono_class_get_method_from_name (com_interop_proxy_class, "CacheProxy", 0);
3237 mono_mb_emit_ldarg (mb, 0);
3238 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
3239 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3240 mono_mb_emit_managed_call (mb, cache_proxy, NULL);
3243 emit_thread_interrupt_checkpoint (mb);
3245 mono_mb_emit_byte (mb, CEE_RET);
3247 res = mono_mb_create_and_cache (cache, method, mb, sig, sig->param_count + 16);
3254 mono_marshal_get_remoting_invoke (MonoMethod *method)
3256 MonoMethodSignature *sig;
3257 MonoMethodBuilder *mb;
3263 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE || method->wrapper_type == MONO_WRAPPER_XDOMAIN_INVOKE)
3266 /* this seems to be the best plase to put this, as all remoting invokes seem to get filtered through here */
3267 if ((method->klass->is_com_object || method->klass == mono_defaults.com_object_class) && !mono_class_vtable (mono_domain_get (), method->klass)->remote)
3268 return cominterop_get_invoke(method);
3270 sig = signature_no_pinvoke (method);
3272 /* we cant remote methods without this pointer */
3276 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_REMOTING_INVOKE)))
3279 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_REMOTING_INVOKE);
3280 mb->method->save_lmf = 1;
3282 params_var = mono_mb_emit_save_args (mb, sig, TRUE);
3284 mono_mb_emit_ptr (mb, method);
3285 mono_mb_emit_ldloc (mb, params_var);
3286 mono_mb_emit_icall (mb, mono_remoting_wrapper);
3287 emit_thread_interrupt_checkpoint (mb);
3289 if (sig->ret->type == MONO_TYPE_VOID) {
3290 mono_mb_emit_byte (mb, CEE_POP);
3291 mono_mb_emit_byte (mb, CEE_RET);
3293 mono_mb_emit_restore_result (mb, sig->ret);
3296 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16);
3302 /* mono_get_xdomain_marshal_type()
3303 * Returns the kind of marshalling that a type needs for cross domain calls.
3305 static MonoXDomainMarshalType
3306 mono_get_xdomain_marshal_type (MonoType *t)
3309 case MONO_TYPE_VOID:
3310 g_assert_not_reached ();
3314 case MONO_TYPE_BOOLEAN:
3317 case MONO_TYPE_CHAR:
3324 return MONO_MARSHAL_NONE;
3325 case MONO_TYPE_STRING:
3326 return MONO_MARSHAL_COPY;
3327 case MONO_TYPE_ARRAY:
3328 case MONO_TYPE_SZARRAY: {
3329 MonoClass *elem_class = mono_class_from_mono_type (t)->element_class;
3330 if (mono_get_xdomain_marshal_type (&(elem_class->byval_arg)) != MONO_MARSHAL_SERIALIZE)
3331 return MONO_MARSHAL_COPY;
3336 if (mono_class_from_mono_type (t) == mono_defaults.stringbuilder_class)
3337 return MONO_MARSHAL_COPY;
3339 return MONO_MARSHAL_SERIALIZE;
3343 /* mono_marshal_xdomain_copy_value
3344 * Makes a copy of "val" suitable for the current domain.
3347 mono_marshal_xdomain_copy_value (MonoObject *val)
3350 if (val == NULL) return NULL;
3352 domain = mono_domain_get ();
3354 switch (mono_object_class (val)->byval_arg.type) {
3355 case MONO_TYPE_VOID:
3356 g_assert_not_reached ();
3360 case MONO_TYPE_BOOLEAN:
3363 case MONO_TYPE_CHAR:
3369 case MONO_TYPE_R8: {
3370 return mono_value_box (domain, mono_object_class (val), ((char*)val) + sizeof(MonoObject));
3372 case MONO_TYPE_STRING: {
3373 MonoString *str = (MonoString *) val;
3374 return (MonoObject *) mono_string_new_utf16 (domain, mono_string_chars (str), mono_string_length (str));
3376 case MONO_TYPE_ARRAY:
3377 case MONO_TYPE_SZARRAY: {
3379 MonoXDomainMarshalType mt = mono_get_xdomain_marshal_type (&(mono_object_class (val)->element_class->byval_arg));
3380 if (mt == MONO_MARSHAL_SERIALIZE) return NULL;
3381 acopy = mono_array_clone_in_domain (domain, (MonoArray *) val);
3382 if (mt == MONO_MARSHAL_COPY) {
3383 int i, len = mono_array_length (acopy);
3384 for (i = 0; i < len; i++) {
3385 MonoObject *item = mono_array_get (acopy, gpointer, i);
3386 mono_array_setref (acopy, i, mono_marshal_xdomain_copy_value (item));
3389 return (MonoObject *) acopy;
3393 if (mono_object_class (val) == mono_defaults.stringbuilder_class) {
3394 MonoStringBuilder *oldsb = (MonoStringBuilder *) val;
3395 MonoStringBuilder *newsb = (MonoStringBuilder *) mono_object_new (domain, mono_defaults.stringbuilder_class);
3396 MONO_OBJECT_SETREF (newsb, str, mono_string_new_utf16 (domain, mono_string_chars (oldsb->str), mono_string_length (oldsb->str)));
3397 newsb->length = oldsb->length;
3398 newsb->max_capacity = (gint32)0x7fffffff;
3399 return (MonoObject *) newsb;
3404 /* mono_marshal_xdomain_copy_out_value()
3405 * Copies the contents of the src instance into the dst instance. src and dst
3406 * must have the same type, and if they are arrays, the same size.
3409 mono_marshal_xdomain_copy_out_value (MonoObject *src, MonoObject *dst)
3411 if (src == NULL || dst == NULL) return;
3413 g_assert (mono_object_class (src) == mono_object_class (dst));
3415 switch (mono_object_class (src)->byval_arg.type) {
3416 case MONO_TYPE_ARRAY:
3417 case MONO_TYPE_SZARRAY: {
3418 int mt = mono_get_xdomain_marshal_type (&(mono_object_class (src)->element_class->byval_arg));
3419 if (mt == MONO_MARSHAL_SERIALIZE) return;
3420 if (mt == MONO_MARSHAL_COPY) {
3421 int i, len = mono_array_length ((MonoArray *)dst);
3422 for (i = 0; i < len; i++) {
3423 MonoObject *item = mono_array_get ((MonoArray *)src, gpointer, i);
3424 mono_array_setref ((MonoArray *)dst, i, mono_marshal_xdomain_copy_value (item));
3427 mono_array_full_copy ((MonoArray *)src, (MonoArray *)dst);
3433 if (mono_object_class (src) == mono_defaults.stringbuilder_class) {
3434 MonoStringBuilder *src_sb = (MonoStringBuilder *) src;
3435 MonoStringBuilder *dst_sb = (MonoStringBuilder *) dst;
3437 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)));
3438 dst_sb->cached_str = NULL;
3439 dst_sb->length = src_sb->length;
3444 mono_marshal_emit_xdomain_copy_value (MonoMethodBuilder *mb, MonoClass *pclass)
3446 mono_mb_emit_icall (mb, mono_marshal_xdomain_copy_value);
3447 mono_mb_emit_op (mb, CEE_CASTCLASS, pclass);
3451 mono_marshal_emit_xdomain_copy_out_value (MonoMethodBuilder *mb, MonoClass *pclass)
3453 mono_mb_emit_icall (mb, mono_marshal_xdomain_copy_out_value);
3456 /* mono_marshal_supports_fast_xdomain()
3457 * Returns TRUE if the method can use the fast xdomain wrapper.
3460 mono_marshal_supports_fast_xdomain (MonoMethod *method)
3462 return !method->klass->contextbound &&
3463 !((method->flags & METHOD_ATTRIBUTE_SPECIAL_NAME) && (strcmp (".ctor", method->name) == 0));
3467 mono_marshal_set_domain_by_id (gint32 id, MonoBoolean push)
3469 MonoDomain *current_domain = mono_domain_get ();
3470 MonoDomain *domain = mono_domain_get_by_id (id);
3472 if (!domain || !mono_domain_set (domain, FALSE))
3473 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
3476 mono_thread_push_appdomain_ref (domain);
3478 mono_thread_pop_appdomain_ref ();
3480 return current_domain->domain_id;
3484 mono_marshal_emit_switch_domain (MonoMethodBuilder *mb)
3486 mono_mb_emit_icall (mb, mono_marshal_set_domain_by_id);
3489 /* mono_marshal_emit_load_domain_method ()
3490 * Loads into the stack a pointer to the code of the provided method for
3491 * the current domain.
3494 mono_marshal_emit_load_domain_method (MonoMethodBuilder *mb, MonoMethod *method)
3496 /* We need a pointer to the method for the running domain (not the domain
3497 * that compiles the method).
3499 mono_mb_emit_ptr (mb, method);
3500 mono_mb_emit_icall (mb, mono_compile_method);
3503 /* mono_marshal_check_domain_image ()
3504 * Returns TRUE if the image is loaded in the specified
3505 * application domain.
3508 mono_marshal_check_domain_image (gint32 domain_id, MonoImage *image)
3513 MonoDomain *domain = mono_domain_get_by_id (domain_id);
3517 mono_domain_assemblies_lock (domain);
3518 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
3520 if (ass->image == image)
3523 mono_domain_assemblies_unlock (domain);
3528 /* mono_marshal_get_xappdomain_dispatch ()
3529 * Generates a method that dispatches a method call from another domain into
3530 * the current domain.
3533 mono_marshal_get_xappdomain_dispatch (MonoMethod *method, int *marshal_types, int complex_count, int complex_out_count, int ret_marshal_type)
3535 MonoMethodSignature *sig, *csig;
3536 MonoMethodBuilder *mb;
3538 int i, j, param_index, copy_locals_base;
3539 MonoClass *ret_class = NULL;
3540 int loc_array=0, loc_return=0, loc_serialized_exc=0;
3541 MonoExceptionClause *main_clause;
3542 MonoMethodHeader *header;
3544 gboolean copy_return;
3546 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_XDOMAIN_DISPATCH)))
3549 sig = mono_method_signature (method);
3550 copy_return = (sig->ret->type != MONO_TYPE_VOID && ret_marshal_type != MONO_MARSHAL_SERIALIZE);
3553 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3 + sig->param_count - complex_count);
3554 csig->params [j++] = &mono_defaults.object_class->byval_arg;
3555 csig->params [j++] = &byte_array_class->this_arg;
3556 csig->params [j++] = &byte_array_class->this_arg;
3557 for (i = 0; i < sig->param_count; i++) {
3558 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE)
3559 csig->params [j++] = sig->params [i];
3562 csig->ret = sig->ret;
3564 csig->ret = &mono_defaults.void_class->byval_arg;
3566 csig->hasthis = FALSE;
3568 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_XDOMAIN_DISPATCH);
3569 mb->method->save_lmf = 1;
3573 loc_serialized_exc = mono_mb_add_local (mb, &byte_array_class->byval_arg);
3574 if (complex_count > 0)
3575 loc_array = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3576 if (sig->ret->type != MONO_TYPE_VOID) {
3577 loc_return = mono_mb_add_local (mb, sig->ret);
3578 ret_class = mono_class_from_mono_type (sig->ret);
3583 main_clause = g_new0 (MonoExceptionClause, 1);
3584 main_clause->try_offset = mb->pos;
3586 /* Clean the call context */
3588 mono_mb_emit_byte (mb, CEE_LDNULL);
3589 mono_mb_emit_managed_call (mb, method_set_call_context, NULL);
3590 mono_mb_emit_byte (mb, CEE_POP);
3592 /* Deserialize call data */
3594 mono_mb_emit_ldarg (mb, 1);
3595 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3596 mono_mb_emit_byte (mb, CEE_DUP);
3597 pos = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
3599 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
3600 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
3602 if (complex_count > 0)
3603 mono_mb_emit_stloc (mb, loc_array);
3605 mono_mb_emit_byte (mb, CEE_POP);
3607 mono_mb_patch_addr_s (mb, pos, mb->pos - (pos + 1));
3609 /* Get the target object */
3611 mono_mb_emit_ldarg (mb, 0);
3612 mono_mb_emit_managed_call (mb, method_rs_appdomain_target, NULL);
3614 /* Load the arguments */
3616 copy_locals_base = mb->locals;
3617 param_index = 3; // Index of the first non-serialized parameter of this wrapper
3619 for (i = 0; i < sig->param_count; i++) {
3620 MonoType *pt = sig->params [i];
3621 MonoClass *pclass = mono_class_from_mono_type (pt);
3622 switch (marshal_types [i]) {
3623 case MONO_MARSHAL_SERIALIZE: {
3624 /* take the value from the serialized array */
3625 mono_mb_emit_ldloc (mb, loc_array);
3626 mono_mb_emit_icon (mb, j++);
3628 if (pclass->valuetype) {
3629 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3630 mono_mb_emit_op (mb, CEE_UNBOX, pclass);
3632 mono_mb_emit_op (mb, CEE_LDELEMA, pclass);
3635 if (pclass->valuetype) {
3636 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3637 mono_mb_emit_op (mb, CEE_UNBOX, pclass);
3638 mono_mb_emit_op (mb, CEE_LDOBJ, pclass);
3640 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3641 if (pclass != mono_defaults.object_class) {
3642 mono_mb_emit_op (mb, CEE_CASTCLASS, pclass);
3648 case MONO_MARSHAL_COPY_OUT: {
3649 /* Keep a local copy of the value since we need to copy it back after the call */
3650 int copy_local = mono_mb_add_local (mb, &(pclass->byval_arg));
3651 mono_mb_emit_ldarg (mb, param_index++);
3652 mono_marshal_emit_xdomain_copy_value (mb, pclass);
3653 mono_mb_emit_byte (mb, CEE_DUP);
3654 mono_mb_emit_stloc (mb, copy_local);
3657 case MONO_MARSHAL_COPY: {
3658 mono_mb_emit_ldarg (mb, param_index);
3660 mono_mb_emit_byte (mb, CEE_DUP);
3661 mono_mb_emit_byte (mb, CEE_DUP);
3662 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3663 mono_marshal_emit_xdomain_copy_value (mb, pclass);
3664 mono_mb_emit_byte (mb, CEE_STIND_REF);
3666 mono_marshal_emit_xdomain_copy_value (mb, pclass);
3671 case MONO_MARSHAL_NONE:
3672 mono_mb_emit_ldarg (mb, param_index++);
3677 /* Make the call to the real object */
3679 emit_thread_force_interrupt_checkpoint (mb);
3681 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
3683 if (sig->ret->type != MONO_TYPE_VOID)
3684 mono_mb_emit_stloc (mb, loc_return);
3686 /* copy back MONO_MARSHAL_COPY_OUT parameters */
3690 for (i = 0; i < sig->param_count; i++) {
3691 if (marshal_types [i] == MONO_MARSHAL_SERIALIZE) continue;
3692 if (marshal_types [i] == MONO_MARSHAL_COPY_OUT) {
3693 mono_mb_emit_ldloc (mb, copy_locals_base + (j++));
3694 mono_mb_emit_ldarg (mb, param_index);
3695 mono_marshal_emit_xdomain_copy_out_value (mb, mono_class_from_mono_type (sig->params [i]));
3700 /* Serialize the return values */
3702 if (complex_out_count > 0) {
3703 /* Reset parameters in the array that don't need to be serialized back */
3705 for (i = 0; i < sig->param_count; i++) {
3706 if (marshal_types[i] != MONO_MARSHAL_SERIALIZE) continue;
3707 if (!sig->params [i]->byref) {
3708 mono_mb_emit_ldloc (mb, loc_array);
3709 mono_mb_emit_icon (mb, j);
3710 mono_mb_emit_byte (mb, CEE_LDNULL);
3711 mono_mb_emit_byte (mb, CEE_STELEM_REF);
3716 /* Add the return value to the array */
3718 if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
3719 mono_mb_emit_ldloc (mb, loc_array);
3720 mono_mb_emit_icon (mb, complex_count); /* The array has an additional slot to hold the ret value */
3721 mono_mb_emit_ldloc (mb, loc_return);
3722 if (ret_class->valuetype) {
3723 mono_mb_emit_op (mb, CEE_BOX, ret_class);
3725 mono_mb_emit_byte (mb, CEE_STELEM_REF);
3730 mono_mb_emit_ldarg (mb, 1);
3731 mono_mb_emit_ldloc (mb, loc_array);
3732 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3733 mono_mb_emit_byte (mb, CEE_STIND_REF);
3734 } else if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
3735 mono_mb_emit_ldarg (mb, 1);
3736 mono_mb_emit_ldloc (mb, loc_return);
3737 if (ret_class->valuetype) {
3738 mono_mb_emit_op (mb, CEE_BOX, ret_class);
3740 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3741 mono_mb_emit_byte (mb, CEE_STIND_REF);
3743 mono_mb_emit_ldarg (mb, 1);
3744 mono_mb_emit_byte (mb, CEE_LDNULL);
3745 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3746 mono_mb_emit_byte (mb, CEE_STIND_REF);
3749 mono_mb_emit_ldarg (mb, 2);
3750 mono_mb_emit_byte (mb, CEE_LDNULL);
3751 mono_mb_emit_byte (mb, CEE_STIND_REF);
3752 pos_leave = mono_mb_emit_branch (mb, CEE_LEAVE);
3754 /* Main exception catch */
3755 main_clause->flags = MONO_EXCEPTION_CLAUSE_NONE;
3756 main_clause->try_len = mb->pos - main_clause->try_offset;
3757 main_clause->data.catch_class = mono_defaults.object_class;
3760 main_clause->handler_offset = mb->pos;
3761 mono_mb_emit_managed_call (mb, method_rs_serialize_exc, NULL);
3762 mono_mb_emit_stloc (mb, loc_serialized_exc);
3763 mono_mb_emit_ldarg (mb, 2);
3764 mono_mb_emit_ldloc (mb, loc_serialized_exc);
3765 mono_mb_emit_byte (mb, CEE_STIND_REF);
3766 mono_mb_emit_branch (mb, CEE_LEAVE);
3767 main_clause->handler_len = mb->pos - main_clause->handler_offset;
3770 mono_mb_patch_addr (mb, pos_leave, mb->pos - (pos_leave + 4));
3773 mono_mb_emit_ldloc (mb, loc_return);
3775 mono_mb_emit_byte (mb, CEE_RET);
3777 res = mono_remoting_mb_create_and_cache (method, mb, csig, csig->param_count + 16);
3780 header = ((MonoMethodNormal *)res)->header;
3781 header->num_clauses = 1;
3782 header->clauses = main_clause;
3787 /* mono_marshal_get_xappdomain_invoke ()
3788 * Generates a fast remoting wrapper for cross app domain calls.
3791 mono_marshal_get_xappdomain_invoke (MonoMethod *method)
3793 MonoMethodSignature *sig;
3794 MonoMethodBuilder *mb;
3796 int i, j, complex_count, complex_out_count, copy_locals_base;
3798 MonoClass *ret_class = NULL;
3799 MonoMethod *xdomain_method;
3800 int ret_marshal_type = MONO_MARSHAL_NONE;
3801 int loc_array=0, loc_serialized_data=-1, loc_real_proxy;
3802 int loc_old_domainid, loc_domainid, loc_return=0, loc_serialized_exc=0, loc_context;
3803 int pos, pos_dispatch, pos_noex;
3804 gboolean copy_return = FALSE;
3808 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE || method->wrapper_type == MONO_WRAPPER_XDOMAIN_INVOKE)
3811 /* we cant remote methods without this pointer */
3812 if (!mono_method_signature (method)->hasthis)
3815 if (!mono_marshal_supports_fast_xdomain (method))
3816 return mono_marshal_get_remoting_invoke (method);
3818 mono_remoting_marshal_init ();
3820 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_XDOMAIN_INVOKE)))
3823 sig = signature_no_pinvoke (method);
3825 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_XDOMAIN_INVOKE);
3826 mb->method->save_lmf = 1;
3828 /* Count the number of parameters that need to be serialized */
3830 marshal_types = alloca (sizeof (int) * sig->param_count);
3831 complex_count = complex_out_count = 0;
3832 for (i = 0; i < sig->param_count; i++) {
3833 MonoType *ptype = sig->params[i];
3834 int mt = mono_get_xdomain_marshal_type (ptype);
3836 /* If the [Out] attribute is applied to a parameter that can be internally copied,
3837 * the copy will be made by reusing the original object instance
3839 if ((ptype->attrs & PARAM_ATTRIBUTE_OUT) != 0 && mt == MONO_MARSHAL_COPY && !ptype->byref)
3840 mt = MONO_MARSHAL_COPY_OUT;
3841 else if (mt == MONO_MARSHAL_SERIALIZE) {
3843 if (ptype->byref) complex_out_count++;
3845 marshal_types [i] = mt;
3848 if (sig->ret->type != MONO_TYPE_VOID) {
3849 ret_marshal_type = mono_get_xdomain_marshal_type (sig->ret);
3850 ret_class = mono_class_from_mono_type (sig->ret);
3851 copy_return = ret_marshal_type != MONO_MARSHAL_SERIALIZE;
3856 if (complex_count > 0)
3857 loc_array = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3858 loc_serialized_data = mono_mb_add_local (mb, &byte_array_class->byval_arg);
3859 loc_real_proxy = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3861 loc_return = mono_mb_add_local (mb, sig->ret);
3862 loc_old_domainid = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
3863 loc_domainid = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
3864 loc_serialized_exc = mono_mb_add_local (mb, &byte_array_class->byval_arg);
3865 loc_context = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3867 /* Save thread domain data */
3869 mono_mb_emit_icall (mb, mono_context_get);
3870 mono_mb_emit_byte (mb, CEE_DUP);
3871 mono_mb_emit_stloc (mb, loc_context);
3873 /* If the thread is not running in the default context, it needs to go
3874 * through the whole remoting sink, since the context is going to change
3876 mono_mb_emit_managed_call (mb, method_needs_context_sink, NULL);
3877 pos = mono_mb_emit_short_branch (mb, CEE_BRTRUE_S);
3879 /* Another case in which the fast path can't be used: when the target domain
3880 * has a different image for the same assembly.
3883 /* Get the target domain id */
3885 mono_mb_emit_ldarg (mb, 0);
3886 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
3887 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3888 mono_mb_emit_byte (mb, CEE_DUP);
3889 mono_mb_emit_stloc (mb, loc_real_proxy);
3891 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoRealProxy, target_domain_id));
3892 mono_mb_emit_byte (mb, CEE_LDIND_I4);
3893 mono_mb_emit_stloc (mb, loc_domainid);
3895 /* Check if the target domain has the same image for the required assembly */
3897 mono_mb_emit_ldloc (mb, loc_domainid);
3898 mono_mb_emit_ptr (mb, method->klass->image);
3899 mono_mb_emit_icall (mb, mono_marshal_check_domain_image);
3900 pos_dispatch = mono_mb_emit_short_branch (mb, CEE_BRTRUE_S);
3902 /* Use the whole remoting sink to dispatch this message */
3904 mono_mb_patch_short_branch (mb, pos);
3906 mono_mb_emit_ldarg (mb, 0);
3907 for (i = 0; i < sig->param_count; i++)
3908 mono_mb_emit_ldarg (mb, i + 1);
3910 mono_mb_emit_managed_call (mb, mono_marshal_get_remoting_invoke (method), NULL);
3911 mono_mb_emit_byte (mb, CEE_RET);
3912 mono_mb_patch_short_branch (mb, pos_dispatch);
3914 /* Create the array that will hold the parameters to be serialized */
3916 if (complex_count > 0) {
3917 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 */
3918 mono_mb_emit_op (mb, CEE_NEWARR, mono_defaults.object_class);
3921 for (i = 0; i < sig->param_count; i++) {
3923 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE) continue;
3924 pclass = mono_class_from_mono_type (sig->params[i]);
3925 mono_mb_emit_byte (mb, CEE_DUP);
3926 mono_mb_emit_icon (mb, j);
3927 mono_mb_emit_ldarg (mb, i + 1); /* 0=this */
3928 if (sig->params[i]->byref) {
3929 if (pclass->valuetype)
3930 mono_mb_emit_op (mb, CEE_LDOBJ, pclass);
3932 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3934 if (pclass->valuetype)
3935 mono_mb_emit_op (mb, CEE_BOX, pclass);
3936 mono_mb_emit_byte (mb, CEE_STELEM_REF);
3939 mono_mb_emit_stloc (mb, loc_array);
3941 /* Serialize parameters */
3943 mono_mb_emit_ldloc (mb, loc_array);
3944 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3945 mono_mb_emit_stloc (mb, loc_serialized_data);
3947 mono_mb_emit_byte (mb, CEE_LDNULL);
3948 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3949 mono_mb_emit_stloc (mb, loc_serialized_data);
3954 mono_mb_emit_ldloc (mb, loc_domainid);
3955 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
3956 mono_marshal_emit_switch_domain (mb);
3957 mono_mb_emit_stloc (mb, loc_old_domainid);
3959 /* Load the arguments */
3961 mono_mb_emit_ldloc (mb, loc_real_proxy);
3962 mono_mb_emit_ldloc_addr (mb, loc_serialized_data);
3963 mono_mb_emit_ldloc_addr (mb, loc_serialized_exc);
3965 copy_locals_base = mb->locals;
3966 for (i = 0; i < sig->param_count; i++) {
3967 switch (marshal_types [i]) {
3968 case MONO_MARSHAL_SERIALIZE:
3970 case MONO_MARSHAL_COPY: {
3971 mono_mb_emit_ldarg (mb, i+1);
3972 if (sig->params [i]->byref) {
3973 /* make a local copy of the byref parameter. The real parameter
3974 * will be updated after the xdomain call
3976 MonoClass *pclass = mono_class_from_mono_type (sig->params [i]);
3977 int copy_local = mono_mb_add_local (mb, &(pclass->byval_arg));
3978 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3979 mono_mb_emit_stloc (mb, copy_local);
3980 mono_mb_emit_ldloc_addr (mb, copy_local);
3984 case MONO_MARSHAL_COPY_OUT:
3985 case MONO_MARSHAL_NONE:
3986 mono_mb_emit_ldarg (mb, i+1);
3991 /* Make the call to the invoke wrapper in the target domain */
3993 xdomain_method = mono_marshal_get_xappdomain_dispatch (method, marshal_types, complex_count, complex_out_count, ret_marshal_type);
3994 mono_marshal_emit_load_domain_method (mb, xdomain_method);
3995 mono_mb_emit_calli (mb, mono_method_signature (xdomain_method));
3998 mono_mb_emit_stloc (mb, loc_return);
4002 mono_mb_emit_ldloc (mb, loc_old_domainid);
4003 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
4004 mono_marshal_emit_switch_domain (mb);
4005 mono_mb_emit_byte (mb, CEE_POP);
4007 /* Restore thread domain data */
4009 mono_mb_emit_ldloc (mb, loc_context);
4010 mono_mb_emit_icall (mb, mono_context_set);
4012 /* if (loc_serialized_exc != null) ... */
4014 mono_mb_emit_ldloc (mb, loc_serialized_exc);
4015 pos_noex = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
4017 mono_mb_emit_ldloc (mb, loc_serialized_exc);
4018 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
4019 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
4020 mono_mb_emit_op (mb, CEE_CASTCLASS, mono_defaults.exception_class);
4021 mono_mb_emit_managed_call (mb, method_exc_fixexc, NULL);
4022 mono_mb_emit_byte (mb, CEE_THROW);
4023 mono_mb_patch_addr_s (mb, pos_noex, mb->pos - pos_noex - 1);
4025 /* copy back non-serialized output parameters */
4028 for (i = 0; i < sig->param_count; i++) {
4029 if (!sig->params [i]->byref || marshal_types [i] != MONO_MARSHAL_COPY) continue;
4030 mono_mb_emit_ldarg (mb, i + 1);
4031 mono_mb_emit_ldloc (mb, copy_locals_base + (j++));
4032 mono_marshal_emit_xdomain_copy_value (mb, mono_class_from_mono_type (sig->params [i]));
4033 mono_mb_emit_byte (mb, CEE_STIND_REF);
4036 /* Deserialize out parameters */
4038 if (complex_out_count > 0) {
4039 mono_mb_emit_ldloc (mb, loc_serialized_data);
4040 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
4041 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
4042 mono_mb_emit_stloc (mb, loc_array);
4044 /* Copy back output parameters and return type */
4047 for (i = 0; i < sig->param_count; i++) {
4048 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE) continue;
4049 if (sig->params[i]->byref) {
4050 MonoClass *pclass = mono_class_from_mono_type (sig->params [i]);
4051 mono_mb_emit_ldarg (mb, i + 1);
4052 mono_mb_emit_ldloc (mb, loc_array);
4053 mono_mb_emit_icon (mb, j);
4054 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
4055 if (pclass->valuetype) {
4056 mono_mb_emit_op (mb, CEE_UNBOX, pclass);
4057 mono_mb_emit_op (mb, CEE_LDOBJ, pclass);
4058 mono_mb_emit_op (mb, CEE_STOBJ, pclass);
4060 if (pclass != mono_defaults.object_class)
4061 mono_mb_emit_op (mb, CEE_CASTCLASS, pclass);
4062 mono_mb_emit_byte (mb, CEE_STIND_REF);
4068 if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
4069 mono_mb_emit_ldloc (mb, loc_array);
4070 mono_mb_emit_icon (mb, complex_count);
4071 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
4072 if (ret_class->valuetype) {
4073 mono_mb_emit_op (mb, CEE_UNBOX, ret_class);
4074 mono_mb_emit_op (mb, CEE_LDOBJ, ret_class);
4077 } else if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
4078 mono_mb_emit_ldloc (mb, loc_serialized_data);
4079 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
4080 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
4081 if (ret_class->valuetype) {
4082 mono_mb_emit_op (mb, CEE_UNBOX, ret_class);
4083 mono_mb_emit_op (mb, CEE_LDOBJ, ret_class);
4084 } else if (ret_class != mono_defaults.object_class) {
4085 mono_mb_emit_op (mb, CEE_CASTCLASS, ret_class);
4088 mono_mb_emit_ldloc (mb, loc_serialized_data);
4089 mono_mb_emit_byte (mb, CEE_DUP);
4090 pos = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
4091 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
4093 mono_mb_patch_addr_s (mb, pos, mb->pos - (pos + 1));
4094 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
4095 mono_mb_emit_byte (mb, CEE_POP);
4099 mono_mb_emit_ldloc (mb, loc_return);
4100 if (ret_marshal_type == MONO_MARSHAL_COPY)
4101 mono_marshal_emit_xdomain_copy_value (mb, ret_class);
4104 mono_mb_emit_byte (mb, CEE_RET);
4106 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16);
4113 mono_marshal_get_remoting_invoke_for_target (MonoMethod *method, MonoRemotingTarget target_type)
4115 if (target_type == MONO_REMOTING_TARGET_APPDOMAIN)
4116 return mono_marshal_get_xappdomain_invoke (method);
4117 else if (target_type == MONO_REMOTING_TARGET_COMINTEROP)
4118 return cominterop_get_invoke (method);
4120 return mono_marshal_get_remoting_invoke (method);
4123 G_GNUC_UNUSED static gpointer
4124 mono_marshal_load_remoting_wrapper (MonoRealProxy *rp, MonoMethod *method)
4126 if (rp->target_domain_id != -1)
4127 return mono_compile_method (mono_marshal_get_xappdomain_invoke (method));
4129 return mono_compile_method (mono_marshal_get_remoting_invoke (method));
4133 mono_marshal_get_remoting_invoke_with_check (MonoMethod *method)
4135 MonoMethodSignature *sig;
4136 MonoMethodBuilder *mb;
4137 MonoMethod *res, *native;
4138 int i, pos, pos_rem;
4142 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK)
4145 sig = signature_no_pinvoke (method);
4147 /* we cant remote methods without this pointer */
4148 g_assert (sig->hasthis);
4150 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK)))
4153 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK);
4155 for (i = 0; i <= sig->param_count; i++)
4156 mono_mb_emit_ldarg (mb, i);
4158 mono_mb_emit_ldarg (mb, 0);
4159 pos = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
4161 if (mono_marshal_supports_fast_xdomain (method)) {
4162 mono_mb_emit_ldarg (mb, 0);
4163 pos_rem = mono_mb_emit_xdomain_check (mb, CEE_BEQ);
4165 /* wrapper for cross app domain calls */
4166 native = mono_marshal_get_xappdomain_invoke (method);
4167 mono_mb_emit_managed_call (mb, native, mono_method_signature (native));
4168 mono_mb_emit_byte (mb, CEE_RET);
4170 mono_mb_patch_addr (mb, pos_rem, mb->pos - (pos_rem + 4));
4172 /* wrapper for normal remote calls */
4173 native = mono_marshal_get_remoting_invoke (method);
4174 mono_mb_emit_managed_call (mb, native, mono_method_signature (native));
4175 mono_mb_emit_byte (mb, CEE_RET);
4178 mono_mb_patch_branch (mb, pos);
4179 mono_mb_emit_managed_call (mb, method, mono_method_signature (method));
4180 mono_mb_emit_byte (mb, CEE_RET);
4182 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16);
4189 * the returned method invokes all methods in a multicast delegate
4192 mono_marshal_get_delegate_invoke (MonoMethod *method)
4194 MonoMethodSignature *sig, *static_sig;
4196 MonoMethodBuilder *mb;
4202 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
4203 !strcmp (method->name, "Invoke"));
4205 sig = signature_no_pinvoke (method);
4207 cache = method->klass->image->delegate_invoke_cache;
4208 if ((res = mono_marshal_find_in_cache (cache, sig)))
4211 static_sig = signature_dup (method->klass->image, sig);
4212 static_sig->hasthis = 0;
4214 name = mono_signature_to_name (sig, "invoke");
4215 mb = mono_mb_new (mono_defaults.multicastdelegate_class, name, MONO_WRAPPER_DELEGATE_INVOKE);
4218 /* allocate local 0 (object) */
4219 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4221 g_assert (sig->hasthis);
4225 * prev.Invoke( args .. );
4226 * return this.<target>( args .. );
4229 /* this wrapper can be used in unmanaged-managed transitions */
4230 emit_thread_interrupt_checkpoint (mb);
4232 /* get this->prev */
4233 mono_mb_emit_ldarg (mb, 0);
4234 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoMulticastDelegate, prev));
4235 mono_mb_emit_byte (mb, CEE_LDIND_REF);
4237 /* if prev != null */
4238 pos0 = mono_mb_emit_branch (mb, CEE_BRFALSE);
4242 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4243 mono_mb_emit_byte (mb, CEE_MONO_NOT_TAKEN);
4245 mono_mb_emit_ldarg (mb, 0);
4246 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoMulticastDelegate, prev));
4247 mono_mb_emit_byte (mb, CEE_LDIND_REF);
4248 for (i = 0; i < sig->param_count; i++)
4249 mono_mb_emit_ldarg (mb, i + 1);
4250 mono_mb_emit_managed_call (mb, method, mono_method_signature (method));
4251 if (sig->ret->type != MONO_TYPE_VOID)
4252 mono_mb_emit_byte (mb, CEE_POP);
4254 /* continued or prev == null */
4255 mono_mb_patch_branch (mb, pos0);
4257 /* get this->target */
4258 mono_mb_emit_ldarg (mb, 0);
4259 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, target));
4260 mono_mb_emit_byte (mb, CEE_LDIND_REF);
4261 mono_mb_emit_stloc (mb, 0);
4263 /* if target != null */
4264 mono_mb_emit_ldloc (mb, 0);
4265 pos0 = mono_mb_emit_branch (mb, CEE_BRFALSE);
4267 /* then call this->method_ptr nonstatic */
4268 mono_mb_emit_ldloc (mb, 0);
4269 for (i = 0; i < sig->param_count; ++i)
4270 mono_mb_emit_ldarg (mb, i + 1);
4271 mono_mb_emit_ldarg (mb, 0);
4272 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, method_ptr));
4273 mono_mb_emit_byte (mb, CEE_LDIND_I );
4274 mono_mb_emit_op (mb, CEE_CALLI, sig);
4276 pos1 = mono_mb_emit_branch (mb, CEE_BR);
4278 /* else [target == null] call this->method_ptr static */
4279 mono_mb_patch_branch (mb, pos0);
4281 for (i = 0; i < sig->param_count; ++i)
4282 mono_mb_emit_ldarg (mb, i + 1);
4283 mono_mb_emit_ldarg (mb, 0);
4284 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, method_ptr));
4285 mono_mb_emit_byte (mb, CEE_LDIND_I );
4286 mono_mb_emit_op (mb, CEE_CALLI, static_sig);
4289 mono_mb_patch_branch (mb, pos1);
4290 mono_mb_emit_byte (mb, CEE_RET);
4292 res = mono_mb_create_and_cache (cache, sig,
4293 mb, sig, sig->param_count + 16);
4300 * signature_dup_add_this:
4302 * Make a copy of @sig, adding an explicit this argument.
4304 static MonoMethodSignature*
4305 signature_dup_add_this (MonoMethodSignature *sig, MonoClass *klass)
4307 MonoMethodSignature *res;
4310 res = mono_metadata_signature_alloc (klass->image, sig->param_count + 1);
4311 memcpy (res, sig, sizeof (MonoMethodSignature));
4312 res->param_count = sig->param_count + 1;
4313 res->hasthis = FALSE;
4314 for (i = sig->param_count - 1; i >= 0; i --)
4315 res->params [i + 1] = sig->params [i];
4316 res->params [0] = &mono_ptr_class_get (&klass->byval_arg)->byval_arg;
4323 MonoMethodSignature *sig;
4329 * generates IL code for the runtime invoke function
4330 * MonoObject *runtime_invoke (MonoObject *this, void **params, MonoObject **exc, void* method)
4332 * we also catch exceptions if exc != null
4335 mono_marshal_get_runtime_invoke (MonoMethod *method)
4337 MonoMethodSignature *sig, *csig, *callsig;
4338 MonoExceptionClause *clause;
4339 MonoMethodHeader *header;
4340 MonoMethodBuilder *mb;
4341 GHashTable *cache = NULL;
4342 MonoClass *target_klass;
4343 MonoMethod *res = NULL;
4345 static MonoString *string_dummy = NULL;
4346 static MonoMethodSignature *dealy_abort_sig = NULL;
4352 target_klass = method->klass;
4354 mono_marshal_lock ();
4356 if (method->string_ctor) {
4357 static GSList *strsig_list = NULL;
4361 for (item = strsig_list; item; item = item->next) {
4363 if (mono_metadata_signature_equal (mono_method_signature (method), mono_method_signature (cs->ctor))) {
4369 callsig = signature_dup (method->klass->image, mono_method_signature (method));
4370 callsig->ret = &mono_defaults.string_class->byval_arg;
4371 cs = g_new (CtorSigPair, 1);
4374 strsig_list = g_slist_prepend (strsig_list, cs);
4377 if (method->klass->valuetype && mono_method_signature (method)->hasthis) {
4379 * Valuetype methods receive a managed pointer as the this argument.
4380 * Create a new signature to reflect this.
4382 callsig = signature_dup_add_this (mono_method_signature (method), method->klass);
4384 callsig = mono_method_signature (method);
4388 cache = method->klass->image->runtime_invoke_cache;
4390 /* from mono_marshal_find_in_cache */
4391 res = g_hash_table_lookup (cache, callsig);
4392 mono_marshal_unlock ();
4398 if (!dealy_abort_sig) {
4399 dealy_abort_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
4400 dealy_abort_sig->ret = &mono_defaults.void_class->byval_arg;
4401 dealy_abort_sig->pinvoke = 0;
4404 target_klass = mono_defaults.object_class;
4406 /* to make it work with our special string constructors */
4407 if (!string_dummy) {
4408 MONO_GC_REGISTER_ROOT (string_dummy);
4409 string_dummy = mono_string_new_wrapper ("dummy");
4412 sig = mono_method_signature (method);
4414 csig = mono_metadata_signature_alloc (method->klass->image, 4);
4416 csig->ret = &mono_defaults.object_class->byval_arg;
4417 if (method->klass->valuetype && mono_method_signature (method)->hasthis)
4418 csig->params [0] = callsig->params [0];
4420 csig->params [0] = &mono_defaults.object_class->byval_arg;
4421 csig->params [1] = &mono_defaults.int_class->byval_arg;
4422 csig->params [2] = &mono_defaults.int_class->byval_arg;
4423 csig->params [3] = &mono_defaults.int_class->byval_arg;
4425 name = mono_signature_to_name (callsig, "runtime_invoke");
4426 mb = mono_mb_new (target_klass, name, MONO_WRAPPER_RUNTIME_INVOKE);
4429 /* allocate local 0 (object) tmp */
4430 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4431 /* allocate local 1 (object) exc */
4432 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4434 /* cond set *exc to null */
4435 mono_mb_emit_byte (mb, CEE_LDARG_2);
4436 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
4437 mono_mb_emit_byte (mb, 3);
4438 mono_mb_emit_byte (mb, CEE_LDARG_2);
4439 mono_mb_emit_byte (mb, CEE_LDNULL);
4440 mono_mb_emit_byte (mb, CEE_STIND_REF);
4442 emit_thread_force_interrupt_checkpoint (mb);
4445 if (method->string_ctor) {
4446 mono_mb_emit_ptr (mb, string_dummy);
4448 mono_mb_emit_ldarg (mb, 0);
4452 for (i = 0; i < sig->param_count; i++) {
4453 MonoType *t = sig->params [i];
4456 mono_mb_emit_ldarg (mb, 1);
4458 mono_mb_emit_icon (mb, sizeof (gpointer) * i);
4459 mono_mb_emit_byte (mb, CEE_ADD);
4461 mono_mb_emit_byte (mb, CEE_LDIND_I);
4466 type = sig->params [i]->type;
4470 case MONO_TYPE_BOOLEAN:
4474 case MONO_TYPE_CHAR:
4483 mono_mb_emit_byte (mb, mono_type_to_ldind (sig->params [i]));
4485 case MONO_TYPE_STRING:
4486 case MONO_TYPE_CLASS:
4487 case MONO_TYPE_ARRAY:
4489 case MONO_TYPE_SZARRAY:
4490 case MONO_TYPE_OBJECT:
4493 case MONO_TYPE_GENERICINST:
4494 if (!mono_type_generic_inst_is_valuetype (sig->params [i])) {
4500 case MONO_TYPE_VALUETYPE:
4501 if (t->data.klass->enumtype) {
4502 type = t->data.klass->enum_basetype->type;
4505 if (mono_class_is_nullable (mono_class_from_mono_type (sig->params [i]))) {
4506 /* Need to convert a boxed vtype to an mp to a Nullable struct */
4507 mono_mb_emit_op (mb, CEE_UNBOX, mono_class_from_mono_type (sig->params [i]));
4508 mono_mb_emit_op (mb, CEE_LDOBJ, mono_class_from_mono_type (sig->params [i]));
4510 mono_mb_emit_op (mb, CEE_LDOBJ, mono_class_from_mono_type (sig->params [i]));
4514 g_assert_not_reached ();
4518 mono_mb_emit_ldarg (mb, 3);
4519 mono_mb_emit_calli (mb, callsig);
4521 if (sig->ret->byref) {
4523 g_assert_not_reached ();
4527 switch (sig->ret->type) {
4528 case MONO_TYPE_VOID:
4529 if (!method->string_ctor)
4530 mono_mb_emit_byte (mb, CEE_LDNULL);
4532 case MONO_TYPE_BOOLEAN:
4533 case MONO_TYPE_CHAR:
4546 case MONO_TYPE_VALUETYPE:
4547 case MONO_TYPE_TYPEDBYREF:
4548 case MONO_TYPE_GENERICINST:
4549 /* box value types */
4550 mono_mb_emit_op (mb, CEE_BOX, mono_class_from_mono_type (sig->ret));
4552 case MONO_TYPE_STRING:
4553 case MONO_TYPE_CLASS:
4554 case MONO_TYPE_ARRAY:
4555 case MONO_TYPE_SZARRAY:
4556 case MONO_TYPE_OBJECT:
4561 g_assert_not_reached ();
4564 mono_mb_emit_stloc (mb, 0);
4566 pos = mono_mb_emit_branch (mb, CEE_LEAVE);
4568 mono_loader_lock ();
4569 clause = mono_mempool_alloc0 (target_klass->image->mempool, sizeof (MonoExceptionClause));
4570 mono_loader_unlock ();
4571 clause->flags = MONO_EXCEPTION_CLAUSE_FILTER;
4572 clause->try_len = mb->pos;
4575 clause->data.filter_offset = mb->pos;
4577 mono_mb_emit_byte (mb, CEE_POP);
4578 mono_mb_emit_byte (mb, CEE_LDARG_2);
4579 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
4580 mono_mb_emit_byte (mb, CEE_PREFIX1);
4581 mono_mb_emit_byte (mb, CEE_CGT_UN);
4582 mono_mb_emit_byte (mb, CEE_PREFIX1);
4583 mono_mb_emit_byte (mb, CEE_ENDFILTER);
4585 clause->handler_offset = mb->pos;
4588 /* store exception */
4589 mono_mb_emit_stloc (mb, 1);
4591 mono_mb_emit_byte (mb, CEE_LDARG_2);
4592 mono_mb_emit_ldloc (mb, 1);
4593 mono_mb_emit_byte (mb, CEE_STIND_REF);
4595 mono_mb_emit_byte (mb, CEE_LDNULL);
4596 mono_mb_emit_stloc (mb, 0);
4598 /* Check for the abort exception */
4599 mono_mb_emit_ldloc (mb, 1);
4600 mono_mb_emit_op (mb, CEE_ISINST, mono_defaults.threadabortexception_class);
4601 posna = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
4603 /* Delay the abort exception */
4604 mono_mb_emit_native_call (mb, dealy_abort_sig, ves_icall_System_Threading_Thread_ResetAbort);
4606 mono_mb_patch_short_branch (mb, posna);
4607 mono_mb_emit_branch (mb, CEE_LEAVE);
4609 clause->handler_len = mb->pos - clause->handler_offset;
4612 mono_mb_patch_branch (mb, pos);
4613 mono_mb_emit_ldloc (mb, 0);
4614 mono_mb_emit_byte (mb, CEE_RET);
4616 /* taken from mono_mb_create_and_cache */
4617 mono_loader_lock ();
4618 mono_marshal_lock ();
4620 res = g_hash_table_lookup (cache, callsig);
4621 /* Somebody may have created it before us */
4623 res = mono_mb_create_method (mb, csig, sig->param_count + 16);
4624 g_hash_table_insert (cache, callsig, res);
4625 g_hash_table_insert (wrapper_hash, res, callsig);
4628 mono_marshal_unlock ();
4629 mono_loader_unlock ();
4630 /* end mono_mb_create_and_cache */
4634 header = ((MonoMethodNormal *)res)->header;
4635 header->num_clauses = 1;
4636 header->clauses = clause;
4642 mono_mb_emit_auto_layout_exception (MonoMethodBuilder *mb, MonoClass *klass)
4644 char *msg = g_strdup_printf ("The type `%s.%s' layout needs to be Sequential or Explicit",
4645 klass->name_space, klass->name);
4647 mono_mb_emit_exception_marshal_directive (mb, msg);
4651 * mono_marshal_get_ldfld_remote_wrapper:
4652 * @klass: The return type
4654 * This method generates a wrapper for calling mono_load_remote_field_new with
4655 * the appropriate return type.
4658 mono_marshal_get_ldfld_remote_wrapper (MonoClass *klass)
4660 MonoMethodSignature *sig, *csig;
4661 MonoMethodBuilder *mb;
4666 cache = klass->image->ldfld_remote_wrapper_cache;
4667 if ((res = mono_marshal_find_in_cache (cache, klass)))
4671 * This wrapper is similar to an icall wrapper but all the wrappers
4672 * call the same C function, but with a different signature.
4674 name = g_strdup_printf ("__mono_load_remote_field_new_wrapper_%s.%s", klass->name_space, klass->name);
4675 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_LDFLD_REMOTE);
4678 mb->method->save_lmf = 1;
4680 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
4681 sig->params [0] = &mono_defaults.object_class->byval_arg;
4682 sig->params [1] = &mono_defaults.int_class->byval_arg;
4683 sig->params [2] = &mono_defaults.int_class->byval_arg;
4684 sig->ret = &klass->this_arg;
4686 mono_mb_emit_ldarg (mb, 0);
4687 mono_mb_emit_ldarg (mb, 1);
4688 mono_mb_emit_ldarg (mb, 2);
4690 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
4691 csig->params [0] = &mono_defaults.object_class->byval_arg;
4692 csig->params [1] = &mono_defaults.int_class->byval_arg;
4693 csig->params [2] = &mono_defaults.int_class->byval_arg;
4694 csig->ret = &klass->this_arg;
4697 mono_mb_emit_native_call (mb, csig, mono_load_remote_field_new);
4698 emit_thread_interrupt_checkpoint (mb);
4700 mono_mb_emit_byte (mb, CEE_RET);
4702 res = mono_mb_create_and_cache (cache, klass,
4703 mb, sig, sig->param_count + 16);
4710 * mono_marshal_get_ldfld_wrapper:
4711 * @type: the type of the field
4713 * This method generates a function which can be use to load a field with type
4714 * @type from an object. The generated function has the following signature:
4715 * <@type> ldfld_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset)
4718 mono_marshal_get_ldfld_wrapper (MonoType *type)
4720 MonoMethodSignature *sig;
4721 MonoMethodBuilder *mb;
4726 int t, pos0, pos1 = 0;
4728 type = mono_type_get_underlying_type (type);
4733 if (type->type == MONO_TYPE_SZARRAY) {
4734 klass = mono_defaults.array_class;
4735 } else if (type->type == MONO_TYPE_VALUETYPE) {
4736 klass = type->data.klass;
4737 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING) {
4738 klass = mono_defaults.object_class;
4739 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
4740 klass = mono_defaults.int_class;
4741 } else if (t == MONO_TYPE_GENERICINST) {
4742 if (mono_type_generic_inst_is_valuetype (type))
4743 klass = mono_class_from_mono_type (type);
4745 klass = mono_defaults.object_class;
4747 klass = mono_class_from_mono_type (type);
4750 klass = mono_defaults.int_class;
4753 cache = klass->image->ldfld_wrapper_cache;
4754 if ((res = mono_marshal_find_in_cache (cache, klass)))
4757 /* we add the %p pointer value of klass because class names are not unique */
4758 name = g_strdup_printf ("__ldfld_wrapper_%p_%s.%s", klass, klass->name_space, klass->name);
4759 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_LDFLD);
4762 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
4763 sig->params [0] = &mono_defaults.object_class->byval_arg;
4764 sig->params [1] = &mono_defaults.int_class->byval_arg;
4765 sig->params [2] = &mono_defaults.int_class->byval_arg;
4766 sig->params [3] = &mono_defaults.int_class->byval_arg;
4767 sig->ret = &klass->byval_arg;
4769 mono_mb_emit_ldarg (mb, 0);
4770 pos0 = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
4772 mono_mb_emit_ldarg (mb, 0);
4773 mono_mb_emit_ldarg (mb, 1);
4774 mono_mb_emit_ldarg (mb, 2);
4776 mono_mb_emit_managed_call (mb, mono_marshal_get_ldfld_remote_wrapper (klass), NULL);
4779 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
4780 csig->params [0] = &mono_defaults.object_class->byval_arg;
4781 csig->params [1] = &mono_defaults.int_class->byval_arg;
4782 csig->params [2] = &mono_defaults.int_class->byval_arg;
4783 csig->ret = &klass->this_arg;
4786 mono_mb_emit_native_call (mb, csig, mono_load_remote_field_new);
4787 emit_thread_interrupt_checkpoint (mb);
4790 if (klass->valuetype) {
4791 mono_mb_emit_op (mb, CEE_UNBOX, klass);
4792 pos1 = mono_mb_emit_branch (mb, CEE_BR);
4794 mono_mb_emit_byte (mb, CEE_RET);
4798 mono_mb_patch_branch (mb, pos0);
4800 mono_mb_emit_ldarg (mb, 0);
4801 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4802 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
4803 mono_mb_emit_ldarg (mb, 3);
4804 mono_mb_emit_byte (mb, CEE_ADD);
4806 if (klass->valuetype)
4807 mono_mb_patch_branch (mb, pos1);
4812 case MONO_TYPE_BOOLEAN:
4813 case MONO_TYPE_CHAR:
4822 case MONO_TYPE_ARRAY:
4823 case MONO_TYPE_SZARRAY:
4824 case MONO_TYPE_OBJECT:
4825 case MONO_TYPE_CLASS:
4826 case MONO_TYPE_STRING:
4830 case MONO_TYPE_FNPTR:
4831 mono_mb_emit_byte (mb, mono_type_to_ldind (type));
4833 case MONO_TYPE_VALUETYPE:
4834 g_assert (!klass->enumtype);
4835 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
4837 case MONO_TYPE_GENERICINST:
4838 if (mono_type_generic_inst_is_valuetype (type)) {
4839 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
4841 mono_mb_emit_byte (mb, CEE_LDIND_REF);
4845 g_warning ("type %x not implemented", type->type);
4846 g_assert_not_reached ();
4849 mono_mb_emit_byte (mb, CEE_RET);
4851 res = mono_mb_create_and_cache (cache, klass,
4852 mb, sig, sig->param_count + 16);
4859 * mono_marshal_get_ldflda_wrapper:
4860 * @type: the type of the field
4862 * This method generates a function which can be used to load a field address
4863 * from an object. The generated function has the following signature:
4864 * gpointer ldflda_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset);
4867 mono_marshal_get_ldflda_wrapper (MonoType *type)
4869 MonoMethodSignature *sig;
4870 MonoMethodBuilder *mb;
4877 type = mono_type_get_underlying_type (type);
4881 if (type->type == MONO_TYPE_SZARRAY) {
4882 klass = mono_defaults.array_class;
4883 } else if (type->type == MONO_TYPE_VALUETYPE) {
4884 klass = type->data.klass;
4885 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING ||
4886 t == MONO_TYPE_CLASS) {
4887 klass = mono_defaults.object_class;
4888 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
4889 klass = mono_defaults.int_class;
4890 } else if (t == MONO_TYPE_GENERICINST) {
4891 if (mono_type_generic_inst_is_valuetype (type))
4892 klass = mono_class_from_mono_type (type);
4894 klass = mono_defaults.object_class;
4896 klass = mono_class_from_mono_type (type);
4899 klass = mono_defaults.int_class;
4902 cache = klass->image->ldflda_wrapper_cache;
4903 if ((res = mono_marshal_find_in_cache (cache, klass)))
4906 /* we add the %p pointer value of klass because class names are not unique */
4907 name = g_strdup_printf ("__ldflda_wrapper_%p_%s.%s", klass, klass->name_space, klass->name);
4908 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_LDFLDA);
4911 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
4912 sig->params [0] = &mono_defaults.object_class->byval_arg;
4913 sig->params [1] = &mono_defaults.int_class->byval_arg;
4914 sig->params [2] = &mono_defaults.int_class->byval_arg;
4915 sig->params [3] = &mono_defaults.int_class->byval_arg;
4916 sig->ret = &mono_defaults.int_class->byval_arg;
4918 mono_mb_emit_ldarg (mb, 0);
4919 pos0 = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
4921 /* FIXME: Only throw this if the object is in another appdomain */
4922 mono_mb_emit_exception_full (mb, "System", "InvalidOperationException", "Attempt to load field address from object in another appdomain.");
4924 mono_mb_patch_branch (mb, pos0);
4926 mono_mb_emit_ldarg (mb, 0);
4927 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4928 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
4929 mono_mb_emit_ldarg (mb, 3);
4930 mono_mb_emit_byte (mb, CEE_ADD);
4932 mono_mb_emit_byte (mb, CEE_RET);
4934 res = mono_mb_create_and_cache (cache, klass,
4935 mb, sig, sig->param_count + 16);
4942 * mono_marshal_get_stfld_remote_wrapper:
4943 * klass: The type of the field
4945 * This function generates a wrapper for calling mono_store_remote_field_new
4946 * with the appropriate signature.
4949 mono_marshal_get_stfld_remote_wrapper (MonoClass *klass)
4951 MonoMethodSignature *sig, *csig;
4952 MonoMethodBuilder *mb;
4957 cache = klass->image->stfld_remote_wrapper_cache;
4958 if ((res = mono_marshal_find_in_cache (cache, klass)))
4961 name = g_strdup_printf ("__mono_store_remote_field_new_wrapper_%s.%s", klass->name_space, klass->name);
4962 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_STFLD_REMOTE);
4965 mb->method->save_lmf = 1;
4967 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
4968 sig->params [0] = &mono_defaults.object_class->byval_arg;
4969 sig->params [1] = &mono_defaults.int_class->byval_arg;
4970 sig->params [2] = &mono_defaults.int_class->byval_arg;
4971 sig->params [3] = &klass->byval_arg;
4972 sig->ret = &mono_defaults.void_class->byval_arg;
4974 mono_mb_emit_ldarg (mb, 0);
4975 mono_mb_emit_ldarg (mb, 1);
4976 mono_mb_emit_ldarg (mb, 2);
4977 mono_mb_emit_ldarg (mb, 3);
4979 if (klass->valuetype)
4980 mono_mb_emit_op (mb, CEE_BOX, klass);
4982 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
4983 csig->params [0] = &mono_defaults.object_class->byval_arg;
4984 csig->params [1] = &mono_defaults.int_class->byval_arg;
4985 csig->params [2] = &mono_defaults.int_class->byval_arg;
4986 csig->params [3] = &klass->byval_arg;
4987 csig->ret = &mono_defaults.void_class->byval_arg;
4990 mono_mb_emit_native_call (mb, csig, mono_store_remote_field_new);
4991 emit_thread_interrupt_checkpoint (mb);
4993 mono_mb_emit_byte (mb, CEE_RET);
4995 res = mono_mb_create_and_cache (cache, klass,
4996 mb, sig, sig->param_count + 16);
5003 * mono_marshal_get_stfld_wrapper:
5004 * @type: the type of the field
5006 * This method generates a function which can be use to store a field with type
5007 * @type. The generated function has the following signature:
5008 * void stfld_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset, <@type> val)
5011 mono_marshal_get_stfld_wrapper (MonoType *type)
5013 MonoMethodSignature *sig;
5014 MonoMethodBuilder *mb;
5021 type = mono_type_get_underlying_type (type);
5025 if (type->type == MONO_TYPE_SZARRAY) {
5026 klass = mono_defaults.array_class;
5027 } else if (type->type == MONO_TYPE_VALUETYPE) {
5028 klass = type->data.klass;
5029 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING) {
5030 klass = mono_defaults.object_class;
5031 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
5032 klass = mono_defaults.int_class;
5033 } else if (t == MONO_TYPE_GENERICINST) {
5034 if (mono_type_generic_inst_is_valuetype (type))
5035 klass = mono_class_from_mono_type (type);
5037 klass = mono_defaults.object_class;
5039 klass = mono_class_from_mono_type (type);
5042 klass = mono_defaults.int_class;
5045 cache = klass->image->stfld_wrapper_cache;
5046 if ((res = mono_marshal_find_in_cache (cache, klass)))
5049 /* we add the %p pointer value of klass because class names are not unique */
5050 name = g_strdup_printf ("__stfld_wrapper_%p_%s.%s", klass, klass->name_space, klass->name);
5051 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_STFLD);
5054 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 5);
5055 sig->params [0] = &mono_defaults.object_class->byval_arg;
5056 sig->params [1] = &mono_defaults.int_class->byval_arg;
5057 sig->params [2] = &mono_defaults.int_class->byval_arg;
5058 sig->params [3] = &mono_defaults.int_class->byval_arg;
5059 sig->params [4] = &klass->byval_arg;
5060 sig->ret = &mono_defaults.void_class->byval_arg;
5062 mono_mb_emit_ldarg (mb, 0);
5063 pos = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
5065 mono_mb_emit_ldarg (mb, 0);
5066 mono_mb_emit_ldarg (mb, 1);
5067 mono_mb_emit_ldarg (mb, 2);
5068 mono_mb_emit_ldarg (mb, 4);
5070 mono_mb_emit_managed_call (mb, mono_marshal_get_stfld_remote_wrapper (klass), NULL);
5072 mono_mb_emit_byte (mb, CEE_RET);
5074 mono_mb_patch_branch (mb, pos);
5076 mono_mb_emit_ldarg (mb, 0);
5077 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5078 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
5079 mono_mb_emit_ldarg (mb, 3);
5080 mono_mb_emit_byte (mb, CEE_ADD);
5081 mono_mb_emit_ldarg (mb, 4);
5086 case MONO_TYPE_BOOLEAN:
5087 case MONO_TYPE_CHAR:
5096 case MONO_TYPE_ARRAY:
5097 case MONO_TYPE_SZARRAY:
5098 case MONO_TYPE_OBJECT:
5099 case MONO_TYPE_CLASS:
5100 case MONO_TYPE_STRING:
5104 case MONO_TYPE_FNPTR:
5105 mono_mb_emit_byte (mb, mono_type_to_stind (type));
5107 case MONO_TYPE_VALUETYPE:
5108 g_assert (!klass->enumtype);
5109 mono_mb_emit_op (mb, CEE_STOBJ, klass);
5111 case MONO_TYPE_GENERICINST:
5112 mono_mb_emit_op (mb, CEE_STOBJ, klass);
5115 g_warning ("type %x not implemented", type->type);
5116 g_assert_not_reached ();
5119 mono_mb_emit_byte (mb, CEE_RET);
5121 res = mono_mb_create_and_cache (cache, klass,
5122 mb, sig, sig->param_count + 16);
5129 * generates IL code for the icall wrapper (the generated method
5130 * calls the unmanaged code in func)
5133 mono_marshal_get_icall_wrapper (MonoMethodSignature *sig, const char *name, gconstpointer func)
5135 MonoMethodSignature *csig;
5136 MonoMethodBuilder *mb;
5140 g_assert (sig->pinvoke);
5142 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_MANAGED_TO_NATIVE);
5144 mb->method->save_lmf = 1;
5146 /* we copy the signature, so that we can modify it */
5149 mono_mb_emit_byte (mb, CEE_LDARG_0);
5151 for (i = 0; i < sig->param_count; i++)
5152 mono_mb_emit_ldarg (mb, i + sig->hasthis);
5154 mono_mb_emit_native_call (mb, sig, (gpointer) func);
5155 emit_thread_interrupt_checkpoint (mb);
5156 mono_mb_emit_byte (mb, CEE_RET);
5158 csig = signature_dup (mono_defaults.corlib, sig);
5160 if (csig->call_convention == MONO_CALL_VARARG)
5161 csig->call_convention = 0;
5163 res = mono_mb_create_method (mb, csig, csig->param_count + 16);
5170 MonoMethodBuilder *mb;
5171 MonoMethodSignature *sig;
5172 MonoMethodPInvoke *piinfo;
5173 int *orig_conv_args; /* Locals containing the original values of byref args */
5175 MonoClass *retobj_class;
5176 MonoMethodSignature *csig; /* Might need to be changed due to MarshalAs directives */
5177 MonoImage *image; /* The image to use for looking up custom marshallers */
5178 } EmitMarshalContext;
5181 MARSHAL_ACTION_CONV_IN,
5182 MARSHAL_ACTION_PUSH,
5183 MARSHAL_ACTION_CONV_OUT,
5184 MARSHAL_ACTION_CONV_RESULT,
5185 MARSHAL_ACTION_MANAGED_CONV_IN,
5186 MARSHAL_ACTION_MANAGED_CONV_OUT,
5187 MARSHAL_ACTION_MANAGED_CONV_RESULT
5191 emit_marshal_custom (EmitMarshalContext *m, int argnum, MonoType *t,
5192 MonoMarshalSpec *spec,
5193 int conv_arg, MonoType **conv_arg_type,
5194 MarshalAction action)
5198 static MonoClass *ICustomMarshaler = NULL;
5199 static MonoMethod *cleanup_native, *cleanup_managed;
5200 static MonoMethod *marshal_managed_to_native, *marshal_native_to_managed;
5201 MonoMethod *get_instance;
5202 MonoMethodBuilder *mb = m->mb;
5203 char *exception_msg = NULL;
5207 if (!ICustomMarshaler) {
5208 ICustomMarshaler = mono_class_from_name (mono_defaults.corlib, "System.Runtime.InteropServices", "ICustomMarshaler");
5209 g_assert (ICustomMarshaler);
5211 cleanup_native = mono_class_get_method_from_name (ICustomMarshaler, "CleanUpNativeData", 1);
5212 g_assert (cleanup_native);
5213 cleanup_managed = mono_class_get_method_from_name (ICustomMarshaler, "CleanUpManagedData", 1);
5214 g_assert (cleanup_managed);
5215 marshal_managed_to_native = mono_class_get_method_from_name (ICustomMarshaler, "MarshalManagedToNative", 1);
5216 g_assert (marshal_managed_to_native);
5217 marshal_native_to_managed = mono_class_get_method_from_name (ICustomMarshaler, "MarshalNativeToManaged", 1);
5218 g_assert (marshal_native_to_managed);
5221 mtype = mono_reflection_type_from_name (spec->data.custom_data.custom_name, m->image);
5222 g_assert (mtype != NULL);
5223 mklass = mono_class_from_mono_type (mtype);
5224 g_assert (mklass != NULL);
5226 if (!mono_class_is_assignable_from (ICustomMarshaler, mklass))
5227 exception_msg = g_strdup_printf ("Custom marshaler '%s' does not implement the ICustomMarshaler interface.", mklass->name);
5229 get_instance = mono_class_get_method_from_name_flags (mklass, "GetInstance", 1, METHOD_ATTRIBUTE_STATIC);
5231 MonoMethodSignature *get_sig = mono_method_signature (get_instance);
5232 if ((get_sig->ret->type != MONO_TYPE_CLASS) ||
5233 (mono_class_from_mono_type (get_sig->ret) != ICustomMarshaler) ||
5234 (get_sig->params [0]->type != MONO_TYPE_STRING))
5235 get_instance = NULL;
5239 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);
5241 /* Throw exception and emit compensation code if neccesary */
5242 if (exception_msg) {
5244 case MARSHAL_ACTION_CONV_IN:
5245 case MARSHAL_ACTION_CONV_RESULT:
5246 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
5247 if ((action == MARSHAL_ACTION_CONV_RESULT) || (action == MARSHAL_ACTION_MANAGED_CONV_RESULT))
5248 mono_mb_emit_byte (mb, CEE_POP);
5250 mono_mb_emit_exception_full (mb, "System", "ApplicationException", exception_msg);
5251 g_free (exception_msg);
5254 case MARSHAL_ACTION_PUSH:
5255 mono_mb_emit_byte (mb, CEE_LDNULL);
5263 /* FIXME: MS.NET seems to create one instance for each klass + cookie pair */
5264 /* FIXME: MS.NET throws an exception if GetInstance returns null */
5267 case MARSHAL_ACTION_CONV_IN:
5269 case MONO_TYPE_CLASS:
5270 case MONO_TYPE_OBJECT:
5271 case MONO_TYPE_STRING:
5272 case MONO_TYPE_ARRAY:
5273 case MONO_TYPE_SZARRAY:
5274 case MONO_TYPE_VALUETYPE:
5278 g_warning ("custom marshalling of type %x is currently not supported", t->type);
5279 g_assert_not_reached ();
5283 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5285 mono_mb_emit_byte (mb, CEE_LDNULL);
5286 mono_mb_emit_stloc (mb, conv_arg);
5288 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT))
5291 /* Minic MS.NET behavior */
5292 if (!t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT) && !(t->attrs & PARAM_ATTRIBUTE_IN))
5295 /* Check for null */
5296 mono_mb_emit_ldarg (mb, argnum);
5298 mono_mb_emit_byte (mb, CEE_LDIND_I);
5299 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5301 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5303 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5305 mono_mb_emit_ldarg (mb, argnum);
5307 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5309 if (t->type == MONO_TYPE_VALUETYPE) {
5311 * Since we can't determine the type of the argument, we
5312 * will assume the unmanaged function takes a pointer.
5314 *conv_arg_type = &mono_defaults.int_class->byval_arg;
5316 mono_mb_emit_op (mb, CEE_BOX, mono_class_from_mono_type (t));
5319 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_managed_to_native);
5320 mono_mb_emit_stloc (mb, conv_arg);
5322 mono_mb_patch_branch (mb, pos2);
5325 case MARSHAL_ACTION_CONV_OUT:
5326 /* Check for null */
5327 mono_mb_emit_ldloc (mb, conv_arg);
5328 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5331 mono_mb_emit_ldarg (mb, argnum);
5333 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5335 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5337 mono_mb_emit_ldloc (mb, conv_arg);
5338 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
5339 mono_mb_emit_byte (mb, CEE_STIND_REF);
5340 } else if (t->attrs &PARAM_ATTRIBUTE_OUT) {
5341 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5343 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5345 mono_mb_emit_ldloc (mb, conv_arg);
5346 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
5348 /* We have nowhere to store the result */
5349 mono_mb_emit_byte (mb, CEE_POP);
5352 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5354 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5356 mono_mb_emit_ldloc (mb, conv_arg);
5358 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_native);
5360 mono_mb_patch_branch (mb, pos2);
5363 case MARSHAL_ACTION_PUSH:
5365 mono_mb_emit_ldloc_addr (mb, conv_arg);
5367 mono_mb_emit_ldloc (mb, conv_arg);
5370 case MARSHAL_ACTION_CONV_RESULT:
5371 loc1 = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5373 mono_mb_emit_stloc (mb, 3);
5375 mono_mb_emit_ldloc (mb, 3);
5376 mono_mb_emit_stloc (mb, loc1);
5378 /* Check for null */
5379 mono_mb_emit_ldloc (mb, 3);
5380 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5382 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5384 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5385 mono_mb_emit_byte (mb, CEE_DUP);
5387 mono_mb_emit_ldloc (mb, 3);
5388 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
5389 mono_mb_emit_stloc (mb, 3);
5391 mono_mb_emit_ldloc (mb, loc1);
5392 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_native);
5394 mono_mb_patch_branch (mb, pos2);
5397 case MARSHAL_ACTION_MANAGED_CONV_IN:
5403 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
5405 mono_mb_emit_byte (mb, CEE_LDNULL);
5406 mono_mb_emit_stloc (mb, conv_arg);
5408 /* Check for null */
5409 mono_mb_emit_ldarg (mb, argnum);
5410 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5412 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5413 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5415 mono_mb_emit_ldarg (mb, argnum);
5417 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
5418 mono_mb_emit_stloc (mb, conv_arg);
5420 mono_mb_patch_branch (mb, pos2);
5423 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
5424 g_assert (!t->byref);
5426 loc1 = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
5428 mono_mb_emit_stloc (mb, 3);
5430 mono_mb_emit_ldloc (mb, 3);
5431 mono_mb_emit_stloc (mb, loc1);
5433 /* Check for null */
5434 mono_mb_emit_ldloc (mb, 3);
5435 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5437 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5438 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5439 mono_mb_emit_byte (mb, CEE_DUP);
5441 mono_mb_emit_ldloc (mb, 3);
5442 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_managed_to_native);
5443 mono_mb_emit_stloc (mb, 3);
5445 mono_mb_emit_ldloc (mb, loc1);
5446 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_managed);
5448 mono_mb_patch_branch (mb, pos2);
5451 case MARSHAL_ACTION_MANAGED_CONV_OUT:
5452 g_assert (!t->byref);
5454 /* Check for null */
5455 mono_mb_emit_ldloc (mb, conv_arg);
5456 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5458 /* Call CleanUpManagedData */
5459 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5461 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5463 mono_mb_emit_ldloc (mb, conv_arg);
5464 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_managed);
5466 mono_mb_patch_branch (mb, pos2);
5470 g_assert_not_reached ();
5477 emit_marshal_asany (EmitMarshalContext *m, int argnum, MonoType *t,
5478 MonoMarshalSpec *spec,
5479 int conv_arg, MonoType **conv_arg_type,
5480 MarshalAction action)
5482 MonoMethodBuilder *mb = m->mb;
5485 case MARSHAL_ACTION_CONV_IN: {
5486 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, NULL);
5488 g_assert (t->type == MONO_TYPE_OBJECT);
5489 g_assert (!t->byref);
5491 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5492 mono_mb_emit_ldarg (mb, argnum);
5493 mono_mb_emit_icon (mb, encoding);
5494 mono_mb_emit_icon (mb, t->attrs);
5495 mono_mb_emit_icall (mb, mono_marshal_asany);
5496 mono_mb_emit_stloc (mb, conv_arg);
5500 case MARSHAL_ACTION_PUSH:
5501 mono_mb_emit_ldloc (mb, conv_arg);
5504 case MARSHAL_ACTION_CONV_OUT: {
5505 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, NULL);
5507 mono_mb_emit_ldarg (mb, argnum);
5508 mono_mb_emit_ldloc (mb, conv_arg);
5509 mono_mb_emit_icon (mb, encoding);
5510 mono_mb_emit_icon (mb, t->attrs);
5511 mono_mb_emit_icall (mb, mono_marshal_free_asany);
5516 g_assert_not_reached ();
5523 emit_marshal_vtype (EmitMarshalContext *m, int argnum, MonoType *t,
5524 MonoMarshalSpec *spec,
5525 int conv_arg, MonoType **conv_arg_type,
5526 MarshalAction action)
5528 MonoMethodBuilder *mb = m->mb;
5532 klass = t->data.klass;
5535 case MARSHAL_ACTION_CONV_IN:
5536 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
5537 klass->blittable || klass->enumtype)
5540 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5542 /* store the address of the source into local variable 0 */
5544 mono_mb_emit_ldarg (mb, argnum);
5546 mono_mb_emit_ldarg_addr (mb, argnum);
5548 mono_mb_emit_stloc (mb, 0);
5550 /* allocate space for the native struct and
5551 * store the address into local variable 1 (dest) */
5552 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
5553 mono_mb_emit_byte (mb, CEE_PREFIX1);
5554 mono_mb_emit_byte (mb, CEE_LOCALLOC);
5555 mono_mb_emit_stloc (mb, conv_arg);
5558 mono_mb_emit_ldloc (mb, 0);
5559 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
5562 if (!(t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && (t->attrs & PARAM_ATTRIBUTE_OUT))) {
5564 mono_mb_emit_ldloc (mb, conv_arg);
5565 mono_mb_emit_stloc (mb, 1);
5567 /* emit valuetype conversion code */
5568 emit_struct_conv (mb, klass, FALSE);
5572 mono_mb_patch_branch (mb, pos);
5575 case MARSHAL_ACTION_PUSH:
5576 if (spec && spec->native == MONO_NATIVE_LPSTRUCT) {
5578 g_assert (!t->byref);
5580 /* Have to change the signature since the vtype is passed byref */
5581 m->csig->params [argnum - m->csig->hasthis] = &mono_defaults.int_class->byval_arg;
5583 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
5584 klass->blittable || klass->enumtype)
5585 mono_mb_emit_ldarg_addr (mb, argnum);
5587 mono_mb_emit_ldloc (mb, conv_arg);
5591 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
5592 klass->blittable || klass->enumtype) {
5593 mono_mb_emit_ldarg (mb, argnum);
5596 mono_mb_emit_ldloc (mb, conv_arg);
5598 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5599 mono_mb_emit_op (mb, CEE_MONO_LDNATIVEOBJ, klass);
5603 case MARSHAL_ACTION_CONV_OUT:
5604 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
5605 klass->blittable || klass->enumtype)
5609 /* dst = argument */
5610 mono_mb_emit_ldarg (mb, argnum);
5611 mono_mb_emit_stloc (mb, 1);
5613 mono_mb_emit_ldloc (mb, 1);
5614 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
5616 if (!((t->attrs & PARAM_ATTRIBUTE_IN) && !(t->attrs & PARAM_ATTRIBUTE_OUT))) {
5617 /* src = tmp_locals [i] */
5618 mono_mb_emit_ldloc (mb, conv_arg);
5619 mono_mb_emit_stloc (mb, 0);
5621 /* emit valuetype conversion code */
5622 emit_struct_conv (mb, klass, TRUE);
5626 emit_struct_free (mb, klass, conv_arg);
5629 mono_mb_patch_branch (mb, pos);
5632 case MARSHAL_ACTION_CONV_RESULT:
5633 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
5635 mono_mb_emit_stloc (mb, 3);
5638 /* load pointer to returned value type */
5639 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5640 mono_mb_emit_byte (mb, CEE_MONO_VTADDR);
5641 /* store the address of the source into local variable 0 */
5642 mono_mb_emit_stloc (mb, 0);
5644 mono_mb_emit_ldloc_addr (mb, 3);
5645 mono_mb_emit_stloc (mb, 1);
5647 /* emit valuetype conversion code */
5648 emit_struct_conv (mb, klass, TRUE);
5651 case MARSHAL_ACTION_MANAGED_CONV_IN:
5652 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
5653 klass->blittable || klass->enumtype) {
5658 conv_arg = mono_mb_add_local (mb, &klass->byval_arg);
5660 if (t->attrs & PARAM_ATTRIBUTE_OUT)
5664 mono_mb_emit_ldarg (mb, argnum);
5666 mono_mb_emit_ldarg_addr (mb, argnum);
5667 mono_mb_emit_stloc (mb, 0);
5670 mono_mb_emit_ldloc (mb, 0);
5671 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
5674 mono_mb_emit_ldloc_addr (mb, conv_arg);
5675 mono_mb_emit_stloc (mb, 1);
5677 /* emit valuetype conversion code */
5678 emit_struct_conv (mb, klass, TRUE);
5681 mono_mb_patch_branch (mb, pos);
5684 case MARSHAL_ACTION_MANAGED_CONV_OUT:
5685 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
5686 klass->blittable || klass->enumtype) {
5690 /* Check for null */
5691 mono_mb_emit_ldarg (mb, argnum);
5692 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5695 mono_mb_emit_ldloc_addr (mb, conv_arg);
5696 mono_mb_emit_stloc (mb, 0);
5699 mono_mb_emit_ldarg (mb, argnum);
5700 mono_mb_emit_stloc (mb, 1);
5702 /* emit valuetype conversion code */
5703 emit_struct_conv (mb, klass, FALSE);
5705 mono_mb_patch_branch (mb, pos2);
5708 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
5709 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
5710 klass->blittable || klass->enumtype) {
5711 mono_mb_emit_stloc (mb, 3);
5716 /* load pointer to returned value type */
5717 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5718 mono_mb_emit_byte (mb, CEE_MONO_VTADDR);
5720 /* store the address of the source into local variable 0 */
5721 mono_mb_emit_stloc (mb, 0);
5722 /* allocate space for the native struct and
5723 * store the address into dst_ptr */
5724 m->retobj_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5725 m->retobj_class = klass;
5726 g_assert (m->retobj_var);
5727 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
5728 mono_mb_emit_byte (mb, CEE_CONV_I);
5729 mono_mb_emit_icall (mb, mono_marshal_alloc);
5730 mono_mb_emit_stloc (mb, 1);
5731 mono_mb_emit_ldloc (mb, 1);
5732 mono_mb_emit_stloc (mb, m->retobj_var);
5734 /* emit valuetype conversion code */
5735 emit_struct_conv (mb, klass, FALSE);
5739 g_assert_not_reached ();
5746 emit_marshal_string (EmitMarshalContext *m, int argnum, MonoType *t,
5747 MonoMarshalSpec *spec,
5748 int conv_arg, MonoType **conv_arg_type,
5749 MarshalAction action)
5751 MonoMethodBuilder *mb = m->mb;
5752 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
5753 MonoMarshalConv conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
5757 case MARSHAL_ACTION_CONV_IN:
5758 *conv_arg_type = &mono_defaults.int_class->byval_arg;
5759 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5762 if (t->attrs & PARAM_ATTRIBUTE_OUT)
5765 mono_mb_emit_ldarg (mb, argnum);
5766 mono_mb_emit_byte (mb, CEE_LDIND_I);
5768 mono_mb_emit_ldarg (mb, argnum);
5772 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
5773 MonoException *exc = mono_get_exception_not_implemented (msg);
5776 mono_raise_exception (exc);
5779 mono_mb_emit_icall (mb, conv_to_icall (conv));
5781 mono_mb_emit_stloc (mb, conv_arg);
5784 case MARSHAL_ACTION_CONV_OUT:
5785 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT)) {
5786 mono_mb_emit_ldarg (mb, argnum);
5787 mono_mb_emit_ldloc (mb, conv_arg);
5788 if (conv == MONO_MARSHAL_CONV_STR_BSTR) {
5789 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_BSTR_STR));
5790 // BSTRs always need freed
5791 mono_mb_emit_ldloc (mb, conv_arg);
5792 mono_mb_emit_icall (mb, mono_free_bstr);
5795 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_LPSTR_STR));
5796 mono_mb_emit_byte (mb, CEE_STIND_REF);
5798 if (mono_marshal_need_free (t, m->piinfo, spec)) {
5799 mono_mb_emit_ldloc (mb, conv_arg);
5800 if (conv == MONO_MARSHAL_CONV_STR_BSTR)
5801 mono_mb_emit_icall (mb, mono_free_bstr);
5803 mono_mb_emit_icall (mb, mono_marshal_free);
5808 case MARSHAL_ACTION_PUSH:
5810 mono_mb_emit_ldloc_addr (mb, conv_arg);
5812 mono_mb_emit_ldloc (mb, conv_arg);
5815 case MARSHAL_ACTION_CONV_RESULT:
5816 mono_mb_emit_stloc (mb, 0);
5818 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
5820 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
5821 mono_mb_emit_exception_marshal_directive (mb, msg);
5825 mono_mb_emit_ldloc (mb, 0);
5826 mono_mb_emit_icall (mb, conv_to_icall (conv));
5827 mono_mb_emit_stloc (mb, 3);
5829 /* free the string */
5830 mono_mb_emit_ldloc (mb, 0);
5831 if (conv == MONO_MARSHAL_CONV_BSTR_STR)
5832 mono_mb_emit_icall (mb, mono_free_bstr);
5834 mono_mb_emit_icall (mb, g_free);
5837 case MARSHAL_ACTION_MANAGED_CONV_IN:
5843 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
5844 *conv_arg_type = &mono_defaults.int_class->byval_arg;
5846 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
5848 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
5849 mono_mb_emit_exception_marshal_directive (mb, msg);
5853 mono_mb_emit_ldarg (mb, argnum);
5854 mono_mb_emit_icall (mb, conv_to_icall (conv));
5855 mono_mb_emit_stloc (mb, conv_arg);
5858 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
5859 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_STR_LPSTR));
5860 mono_mb_emit_stloc (mb, 3);
5864 g_assert_not_reached ();
5871 emit_marshal_object (EmitMarshalContext *m, int argnum, MonoType *t,
5872 MonoMarshalSpec *spec,
5873 int conv_arg, MonoType **conv_arg_type,
5874 MarshalAction action)
5876 MonoMethodBuilder *mb = m->mb;
5877 MonoClass *klass = t->data.klass;
5880 if (mono_class_from_mono_type (t) == mono_defaults.object_class &&
5881 (!spec || (spec && spec->native != MONO_NATIVE_STRUCT)) &&
5882 (!spec || (spec && (spec->native != MONO_NATIVE_IUNKNOWN &&
5883 spec->native != MONO_NATIVE_IDISPATCH &&
5884 spec->native != MONO_NATIVE_INTERFACE)))) {
5885 mono_raise_exception (mono_get_exception_not_implemented ("Marshalling of type object is not implemented"));
5889 case MARSHAL_ACTION_CONV_IN:
5890 *conv_arg_type = &mono_defaults.int_class->byval_arg;
5891 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5893 m->orig_conv_args [argnum] = 0;
5895 if (spec && spec->native == MONO_NATIVE_STRUCT)
5897 static MonoMethod *get_native_variant_for_object = NULL;
5899 if (!get_native_variant_for_object)
5900 get_native_variant_for_object = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetNativeVariantForObject", 2);
5902 *conv_arg_type = &mono_defaults.variant_class->byval_arg;
5904 local_variant = mono_mb_add_local (mb, &mono_defaults.variant_class->byval_arg);
5905 conv_arg = local_variant;
5906 mono_mb_emit_ldarg (mb, argnum);
5908 mono_mb_emit_byte(mb, CEE_LDIND_REF);
5909 mono_mb_emit_ldloc_addr (mb, local_variant);
5910 mono_mb_emit_managed_call (mb, get_native_variant_for_object, NULL);
5912 else if (spec && (spec->native == MONO_NATIVE_IUNKNOWN ||
5913 spec->native == MONO_NATIVE_IDISPATCH ||
5914 spec->native == MONO_NATIVE_INTERFACE)) {
5915 mono_mb_emit_ptr (mb, 0);
5916 mono_mb_emit_stloc (mb, conv_arg);
5919 /* we dont need any conversions for out parameters */
5920 if (t->attrs & PARAM_ATTRIBUTE_OUT)
5923 char *msg = g_strdup_printf ("non out object references are no implemented");
5924 MonoException *exc = mono_get_exception_not_implemented (msg);
5927 mono_raise_exception (exc);
5932 guint32 pos_failed = 0, pos_rcw = 0;
5933 mono_mb_emit_ldarg (mb, argnum);
5934 // if null just break, conv arg was already inited to 0
5935 pos_failed = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
5937 mono_mb_emit_ldarg (mb, argnum);
5938 mono_mb_emit_icall (mb, cominterop_object_is_rcw);
5939 pos_rcw = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
5941 mono_mb_emit_ldarg (mb, argnum);
5942 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
5943 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5945 /* load the RCW from the ComInteropProxy*/
5946 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoComInteropProxy, com_object));
5947 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5949 if (klass && klass != mono_defaults.object_class) {
5950 static MonoMethod* GetInterface = NULL;
5953 GetInterface = mono_class_get_method_from_name (mono_defaults.com_object_class, "GetInterface", 1);
5954 mono_mb_emit_ptr (mb, t);
5955 mono_mb_emit_icall (mb, type_from_handle);
5956 mono_mb_emit_managed_call (mb, GetInterface, NULL);
5958 else if (spec->native == MONO_NATIVE_IUNKNOWN) {
5959 static MonoProperty* iunknown = NULL;
5962 iunknown = mono_class_get_property_from_name (mono_defaults.com_object_class, "IUnknown");
5963 mono_mb_emit_managed_call (mb, iunknown->get, NULL);
5965 else if (spec->native == MONO_NATIVE_IDISPATCH) {
5966 static MonoProperty* idispatch = NULL;
5969 idispatch = mono_class_get_property_from_name (mono_defaults.com_object_class, "IDispatch");
5970 mono_mb_emit_managed_call (mb, idispatch->get, NULL);
5974 mono_mb_emit_stloc (mb, conv_arg);
5977 mono_mb_patch_short_branch (mb, pos_rcw);
5978 msg = g_strdup ("Marshalling of COM Callable Wrappers is not yet implemented.");
5979 mono_mb_emit_exception_marshal_directive (mb, msg);
5982 mono_mb_patch_short_branch (mb, pos_failed);
5985 else if (klass->delegate) {
5986 g_assert (!t->byref);
5987 mono_mb_emit_ldarg (mb, argnum);
5988 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_DEL_FTN));
5989 mono_mb_emit_stloc (mb, conv_arg);
5990 } else if (klass == mono_defaults.stringbuilder_class) {
5991 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
5992 MonoMarshalConv conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
5994 g_assert (!t->byref);
5995 mono_mb_emit_ldarg (mb, argnum);
5998 mono_mb_emit_icall (mb, conv_to_icall (conv));
6000 char *msg = g_strdup_printf ("stringbuilder marshalling conversion %d not implemented", encoding);
6001 MonoException *exc = mono_get_exception_not_implemented (msg);
6004 mono_raise_exception (exc);
6007 mono_mb_emit_stloc (mb, conv_arg);
6008 } else if (klass->blittable) {
6009 mono_mb_emit_byte (mb, CEE_LDNULL);
6010 mono_mb_emit_stloc (mb, conv_arg);
6012 mono_mb_emit_ldarg (mb, argnum);
6013 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6015 mono_mb_emit_ldarg (mb, argnum);
6016 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6017 mono_mb_emit_stloc (mb, conv_arg);
6019 mono_mb_patch_branch (mb, pos);
6022 mono_mb_emit_byte (mb, CEE_LDNULL);
6023 mono_mb_emit_stloc (mb, conv_arg);
6026 /* we dont need any conversions for out parameters */
6027 if (t->attrs & PARAM_ATTRIBUTE_OUT)
6030 mono_mb_emit_ldarg (mb, argnum);
6031 mono_mb_emit_byte (mb, CEE_LDIND_I);
6034 mono_mb_emit_ldarg (mb, argnum);
6035 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6036 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
6039 /* store the address of the source into local variable 0 */
6040 mono_mb_emit_stloc (mb, 0);
6041 mono_mb_emit_ldloc (mb, 0);
6042 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6044 /* allocate space for the native struct and store the address */
6045 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
6046 mono_mb_emit_byte (mb, CEE_PREFIX1);
6047 mono_mb_emit_byte (mb, CEE_LOCALLOC);
6048 mono_mb_emit_stloc (mb, conv_arg);
6051 /* Need to store the original buffer so we can free it later */
6052 m->orig_conv_args [argnum] = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6053 mono_mb_emit_ldloc (mb, conv_arg);
6054 mono_mb_emit_stloc (mb, m->orig_conv_args [argnum]);
6057 /* set the src_ptr */
6058 mono_mb_emit_ldloc (mb, 0);
6059 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6060 mono_mb_emit_stloc (mb, 0);
6063 mono_mb_emit_ldloc (mb, conv_arg);
6064 mono_mb_emit_stloc (mb, 1);
6066 /* emit valuetype conversion code */
6067 emit_struct_conv (mb, klass, FALSE);
6069 mono_mb_patch_branch (mb, pos);
6073 case MARSHAL_ACTION_CONV_OUT:
6074 if (spec && spec->native == MONO_NATIVE_STRUCT) {
6075 static MonoMethod *variant_clear = NULL;
6076 static MonoMethod *get_object_for_native_variant = NULL;
6078 variant_clear = mono_class_get_method_from_name (mono_defaults.variant_class, "Clear", 0);
6079 if (!get_object_for_native_variant)
6080 get_object_for_native_variant = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetObjectForNativeVariant", 1);
6082 mono_mb_emit_ldarg (mb, argnum);
6083 mono_mb_emit_ldloc_addr (mb, conv_arg);
6084 mono_mb_emit_managed_call (mb, get_object_for_native_variant, NULL);
6085 mono_mb_emit_byte (mb, CEE_STIND_REF);
6088 mono_mb_emit_ldloc_addr (mb, conv_arg);
6089 mono_mb_emit_managed_call (mb, variant_clear, NULL);
6093 if (spec && (spec->native == MONO_NATIVE_IUNKNOWN ||
6094 spec->native == MONO_NATIVE_IDISPATCH ||
6095 spec->native == MONO_NATIVE_INTERFACE)) {
6096 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT)) {
6097 static MonoClass* com_interop_proxy_class = NULL;
6098 static MonoMethod* com_interop_proxy_get_proxy = NULL;
6099 static MonoMethod* get_transparent_proxy = NULL;
6101 guint32 pos_failed = 0;
6103 mono_mb_emit_ldarg (mb, argnum);
6104 mono_mb_emit_byte (mb, CEE_LDNULL);
6105 mono_mb_emit_byte (mb, CEE_STIND_REF);
6107 mono_mb_emit_ldloc (mb, conv_arg);
6108 pos_failed = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
6110 if (!com_interop_proxy_class)
6111 com_interop_proxy_class = mono_class_from_name (mono_defaults.corlib, "Mono.Interop", "ComInteropProxy");
6112 if (!com_interop_proxy_get_proxy)
6113 com_interop_proxy_get_proxy = mono_class_get_method_from_name_flags (com_interop_proxy_class, "GetProxy", 2, METHOD_ATTRIBUTE_PRIVATE);
6114 if (!get_transparent_proxy)
6115 get_transparent_proxy = mono_class_get_method_from_name (mono_defaults.real_proxy_class, "GetTransparentProxy", 0);
6117 real_proxy = mono_mb_add_local (mb, &com_interop_proxy_class->byval_arg);
6119 mono_mb_emit_ldloc (mb, conv_arg);
6120 mono_mb_emit_ptr (mb, &mono_defaults.com_object_class->byval_arg);
6121 mono_mb_emit_icall (mb, type_from_handle);
6122 mono_mb_emit_managed_call (mb, com_interop_proxy_get_proxy, NULL);
6123 mono_mb_emit_stloc (mb, real_proxy);
6126 mono_mb_emit_ldarg (mb, argnum);
6127 mono_mb_emit_ldloc (mb, real_proxy);
6128 mono_mb_emit_managed_call (mb, get_transparent_proxy, NULL);
6129 if (klass && klass != mono_defaults.object_class)
6130 mono_mb_emit_op (mb, CEE_CASTCLASS, klass);
6131 mono_mb_emit_byte (mb, CEE_STIND_REF);
6134 mono_mb_patch_short_branch (mb, pos_failed);
6138 if (klass == mono_defaults.stringbuilder_class) {
6140 MonoMarshalNative encoding;
6141 MonoMarshalConv conv;
6143 encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
6144 conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free);
6146 g_assert (!t->byref);
6147 g_assert (encoding != -1);
6149 mono_mb_emit_ldarg (mb, argnum);
6150 mono_mb_emit_ldloc (mb, conv_arg);
6152 mono_mb_emit_icall (mb, conv_to_icall (conv));
6155 mono_mb_emit_ldloc (mb, conv_arg);
6156 mono_mb_emit_icall (mb, mono_marshal_free);
6161 if (klass->delegate)
6164 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT)) {
6165 /* allocate a new object */
6166 mono_mb_emit_ldarg (mb, argnum);
6167 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6168 mono_mb_emit_op (mb, CEE_MONO_NEWOBJ, t->data.klass);
6169 mono_mb_emit_byte (mb, CEE_STIND_REF);
6172 /* dst = *argument */
6173 mono_mb_emit_ldarg (mb, argnum);
6176 mono_mb_emit_byte (mb, CEE_LDIND_I);
6178 mono_mb_emit_stloc (mb, 1);
6180 mono_mb_emit_ldloc (mb, 1);
6181 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6183 if (t->byref || (t->attrs & PARAM_ATTRIBUTE_OUT)) {
6184 mono_mb_emit_ldloc (mb, 1);
6185 mono_mb_emit_icon (mb, sizeof (MonoObject));
6186 mono_mb_emit_byte (mb, CEE_ADD);
6187 mono_mb_emit_stloc (mb, 1);
6189 /* src = tmp_locals [i] */
6190 mono_mb_emit_ldloc (mb, conv_arg);
6191 mono_mb_emit_stloc (mb, 0);
6193 /* emit valuetype conversion code */
6194 emit_struct_conv (mb, t->data.klass, TRUE);
6196 /* Free the structure returned by the native code */
6197 emit_struct_free (mb, klass, conv_arg);
6199 if (m->orig_conv_args [argnum]) {
6201 * If the native function changed the pointer, then free
6202 * the original structure plus the new pointer.
6204 mono_mb_emit_ldloc (mb, m->orig_conv_args [argnum]);
6205 mono_mb_emit_ldloc (mb, conv_arg);
6206 pos2 = mono_mb_emit_branch (mb, CEE_BEQ);
6208 if (!(t->attrs & PARAM_ATTRIBUTE_OUT)) {
6209 g_assert (m->orig_conv_args [argnum]);
6211 emit_struct_free (mb, klass, m->orig_conv_args [argnum]);
6214 mono_mb_emit_ldloc (mb, conv_arg);
6215 mono_mb_emit_icall (mb, g_free);
6217 mono_mb_patch_branch (mb, pos2);
6221 /* Free the original structure passed to native code */
6222 emit_struct_free (mb, klass, conv_arg);
6224 mono_mb_patch_branch (mb, pos);
6227 case MARSHAL_ACTION_PUSH:
6229 mono_mb_emit_ldloc_addr (mb, conv_arg);
6231 mono_mb_emit_ldloc (mb, conv_arg);
6234 case MARSHAL_ACTION_CONV_RESULT:
6235 if (klass->delegate) {
6236 g_assert (!t->byref);
6237 mono_mb_emit_stloc (mb, 0);
6238 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6239 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
6240 mono_mb_emit_ldloc (mb, 0);
6241 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_FTN_DEL));
6242 mono_mb_emit_stloc (mb, 3);
6243 } else if (spec && (spec->native == MONO_NATIVE_IUNKNOWN ||
6244 spec->native == MONO_NATIVE_IDISPATCH ||
6245 spec->native == MONO_NATIVE_INTERFACE)) {
6246 char *msg = g_strdup ("Marshalling of COM Objects is not yet implemented.");
6247 mono_mb_emit_exception_marshal_directive (mb, msg);
6250 mono_mb_emit_stloc (mb, 0);
6252 /* Make a copy since emit_conv modifies local 0 */
6253 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6254 mono_mb_emit_ldloc (mb, 0);
6255 mono_mb_emit_stloc (mb, loc);
6257 mono_mb_emit_byte (mb, CEE_LDNULL);
6258 mono_mb_emit_stloc (mb, 3);
6260 mono_mb_emit_ldloc (mb, 0);
6261 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6263 /* allocate result object */
6265 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6266 mono_mb_emit_op (mb, CEE_MONO_NEWOBJ, klass);
6267 mono_mb_emit_stloc (mb, 3);
6271 mono_mb_emit_ldloc (mb, 3);
6272 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6273 mono_mb_emit_stloc (mb, 1);
6275 /* emit conversion code */
6276 emit_struct_conv (mb, klass, TRUE);
6278 emit_struct_free (mb, klass, loc);
6280 /* Free the pointer allocated by unmanaged code */
6281 mono_mb_emit_ldloc (mb, loc);
6282 mono_mb_emit_icall (mb, g_free);
6283 mono_mb_patch_branch (mb, pos);
6287 case MARSHAL_ACTION_MANAGED_CONV_IN:
6288 conv_arg = mono_mb_add_local (mb, &klass->byval_arg);
6290 if (klass->delegate) {
6291 g_assert (!t->byref);
6292 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6293 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
6294 mono_mb_emit_ldarg (mb, argnum);
6295 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_FTN_DEL));
6296 mono_mb_emit_stloc (mb, conv_arg);
6300 /* The class can not have an automatic layout */
6301 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
6302 mono_mb_emit_auto_layout_exception (mb, klass);
6306 if (t->attrs & PARAM_ATTRIBUTE_OUT) {
6307 mono_mb_emit_byte (mb, CEE_LDNULL);
6308 mono_mb_emit_stloc (mb, conv_arg);
6313 mono_mb_emit_ldarg (mb, argnum);
6317 /* Check for NULL and raise an exception */
6318 pos2 = mono_mb_emit_branch (mb, CEE_BRTRUE);
6320 mono_mb_emit_exception (mb, "ArgumentNullException", NULL);
6322 mono_mb_patch_branch (mb, pos2);
6323 mono_mb_emit_ldarg (mb, argnum);
6324 mono_mb_emit_byte (mb, CEE_LDIND_I);
6327 mono_mb_emit_stloc (mb, 0);
6329 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
6330 mono_mb_emit_stloc (mb, conv_arg);
6332 mono_mb_emit_ldloc (mb, 0);
6333 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6335 /* Create and set dst */
6336 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6337 mono_mb_emit_op (mb, CEE_MONO_NEWOBJ, klass);
6338 mono_mb_emit_stloc (mb, conv_arg);
6339 mono_mb_emit_ldloc (mb, conv_arg);
6340 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6341 mono_mb_emit_stloc (mb, 1);
6343 /* emit valuetype conversion code */
6344 emit_struct_conv (mb, klass, TRUE);
6346 mono_mb_patch_branch (mb, pos);
6349 case MARSHAL_ACTION_MANAGED_CONV_OUT:
6351 /* Check for null */
6352 mono_mb_emit_ldloc (mb, conv_arg);
6353 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
6354 mono_mb_emit_ldarg (mb, argnum);
6355 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
6356 mono_mb_emit_byte (mb, CEE_STIND_REF);
6357 pos2 = mono_mb_emit_branch (mb, CEE_BR);
6359 mono_mb_patch_branch (mb, pos);
6362 mono_mb_emit_ldloc (mb, conv_arg);
6363 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6364 mono_mb_emit_stloc (mb, 0);
6366 /* Allocate and set dest */
6367 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
6368 mono_mb_emit_byte (mb, CEE_CONV_I);
6369 mono_mb_emit_icall (mb, mono_marshal_alloc);
6370 mono_mb_emit_stloc (mb, 1);
6372 /* Update argument pointer */
6373 mono_mb_emit_ldarg (mb, argnum);
6374 mono_mb_emit_ldloc (mb, 1);
6375 mono_mb_emit_byte (mb, CEE_STIND_I);
6377 /* emit valuetype conversion code */
6378 emit_struct_conv (mb, klass, FALSE);
6380 mono_mb_patch_branch (mb, pos2);
6382 /* byval [Out] marshalling */
6384 /* FIXME: Handle null */
6387 mono_mb_emit_ldloc (mb, conv_arg);
6388 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6389 mono_mb_emit_stloc (mb, 0);
6392 mono_mb_emit_ldarg (mb, argnum);
6393 mono_mb_emit_stloc (mb, 1);
6395 /* emit valuetype conversion code */
6396 emit_struct_conv (mb, klass, FALSE);
6400 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
6401 if (klass->delegate) {
6402 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_DEL_FTN));
6403 mono_mb_emit_stloc (mb, 3);
6407 /* The class can not have an automatic layout */
6408 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
6409 mono_mb_emit_auto_layout_exception (mb, klass);
6413 mono_mb_emit_stloc (mb, 0);
6414 /* Check for null */
6415 mono_mb_emit_ldloc (mb, 0);
6416 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
6417 mono_mb_emit_byte (mb, CEE_LDNULL);
6418 mono_mb_emit_stloc (mb, 3);
6419 pos2 = mono_mb_emit_branch (mb, CEE_BR);
6421 mono_mb_patch_branch (mb, pos);
6424 mono_mb_emit_ldloc (mb, 0);
6425 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6426 mono_mb_emit_stloc (mb, 0);
6428 /* Allocate and set dest */
6429 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
6430 mono_mb_emit_byte (mb, CEE_CONV_I);
6431 mono_mb_emit_icall (mb, mono_marshal_alloc);
6432 mono_mb_emit_byte (mb, CEE_DUP);
6433 mono_mb_emit_stloc (mb, 1);
6434 mono_mb_emit_stloc (mb, 3);
6436 emit_struct_conv (mb, klass, FALSE);
6438 mono_mb_patch_branch (mb, pos2);
6442 g_assert_not_reached ();
6449 emit_marshal_array (EmitMarshalContext *m, int argnum, MonoType *t,
6450 MonoMarshalSpec *spec,
6451 int conv_arg, MonoType **conv_arg_type,
6452 MarshalAction action)
6454 MonoMethodBuilder *mb = m->mb;
6455 MonoClass *klass = mono_class_from_mono_type (t);
6456 gboolean need_convert, need_free;
6457 MonoMarshalNative encoding;
6459 encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
6462 case MARSHAL_ACTION_CONV_IN:
6463 *conv_arg_type = &mono_defaults.object_class->byval_arg;
6464 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
6466 if (klass->element_class->blittable) {
6467 mono_mb_emit_ldarg (mb, argnum);
6469 mono_mb_emit_byte (mb, CEE_LDIND_I);
6470 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_ARRAY_LPARRAY));
6471 mono_mb_emit_stloc (mb, conv_arg);
6474 guint32 label1, label2, label3;
6475 int index_var, src_var, dest_ptr, esize;
6476 MonoMarshalConv conv;
6477 gboolean is_string = FALSE;
6479 dest_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6481 eklass = klass->element_class;
6483 if (eklass == mono_defaults.string_class) {
6485 conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
6487 else if (eklass == mono_defaults.stringbuilder_class) {
6489 conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
6494 src_var = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
6495 mono_mb_emit_ldarg (mb, argnum);
6497 mono_mb_emit_byte (mb, CEE_LDIND_I);
6498 mono_mb_emit_stloc (mb, src_var);
6501 mono_mb_emit_ldloc (mb, src_var);
6502 mono_mb_emit_stloc (mb, conv_arg);
6503 mono_mb_emit_ldloc (mb, src_var);
6504 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6508 char *msg = g_strdup_printf ("string/stringbuilder marshalling conversion %d not implemented", encoding);
6509 MonoException *exc = mono_get_exception_not_implemented (msg);
6512 mono_raise_exception (exc);
6517 esize = sizeof (gpointer);
6519 esize = mono_class_native_size (eklass, NULL);
6521 /* allocate space for the native struct and store the address */
6522 mono_mb_emit_icon (mb, esize);
6523 mono_mb_emit_ldloc (mb, src_var);
6524 mono_mb_emit_byte (mb, CEE_LDLEN);
6526 if (eklass == mono_defaults.string_class) {
6527 /* Make the array bigger for the terminating null */
6528 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
6529 mono_mb_emit_byte (mb, CEE_ADD);
6531 mono_mb_emit_byte (mb, CEE_MUL);
6532 mono_mb_emit_byte (mb, CEE_PREFIX1);
6533 mono_mb_emit_byte (mb, CEE_LOCALLOC);
6534 mono_mb_emit_stloc (mb, conv_arg);
6536 mono_mb_emit_ldloc (mb, conv_arg);
6537 mono_mb_emit_stloc (mb, dest_ptr);
6539 /* Emit marshalling loop */
6540 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6541 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
6542 mono_mb_emit_stloc (mb, index_var);
6544 mono_mb_emit_ldloc (mb, index_var);
6545 mono_mb_emit_ldloc (mb, src_var);
6546 mono_mb_emit_byte (mb, CEE_LDLEN);
6547 label3 = mono_mb_emit_branch (mb, CEE_BGE);
6549 /* Emit marshalling code */
6552 mono_mb_emit_ldloc (mb, dest_ptr);
6553 mono_mb_emit_ldloc (mb, src_var);
6554 mono_mb_emit_ldloc (mb, index_var);
6555 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
6556 mono_mb_emit_icall (mb, conv_to_icall (conv));
6557 mono_mb_emit_byte (mb, CEE_STIND_I);
6559 /* set the src_ptr */
6560 mono_mb_emit_ldloc (mb, src_var);
6561 mono_mb_emit_ldloc (mb, index_var);
6562 mono_mb_emit_op (mb, CEE_LDELEMA, eklass);
6563 mono_mb_emit_stloc (mb, 0);
6566 mono_mb_emit_ldloc (mb, dest_ptr);
6567 mono_mb_emit_stloc (mb, 1);
6569 /* emit valuetype conversion code */
6570 emit_struct_conv (mb, eklass, FALSE);
6573 mono_mb_emit_add_to_local (mb, index_var, 1);
6574 mono_mb_emit_add_to_local (mb, dest_ptr, esize);
6576 mono_mb_emit_byte (mb, CEE_BR);
6577 mono_mb_emit_i4 (mb, label2 - (mb->pos + 4));
6579 mono_mb_patch_branch (mb, label3);
6581 if (eklass == mono_defaults.string_class) {
6582 /* Null terminate */
6583 mono_mb_emit_ldloc (mb, dest_ptr);
6584 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
6585 mono_mb_emit_byte (mb, CEE_STIND_REF);
6588 mono_mb_patch_branch (mb, label1);
6593 case MARSHAL_ACTION_CONV_OUT:
6594 /* Unicode character arrays are implicitly marshalled as [Out] under MS.NET */
6595 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);
6596 need_free = mono_marshal_need_free (&klass->element_class->byval_arg,
6599 if (need_convert || need_free) {
6600 /* FIXME: Optimize blittable case */
6602 guint32 label1, label2, label3;
6603 int index_var, src_ptr, loc, esize;
6605 eklass = klass->element_class;
6606 if ((eklass == mono_defaults.stringbuilder_class) || (eklass == mono_defaults.string_class))
6607 esize = sizeof (gpointer);
6609 esize = mono_class_native_size (eklass, NULL);
6610 src_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6611 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6614 mono_mb_emit_ldarg (mb, argnum);
6616 mono_mb_emit_byte (mb, CEE_LDIND_I);
6617 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6619 mono_mb_emit_ldloc (mb, conv_arg);
6620 mono_mb_emit_stloc (mb, src_ptr);
6622 /* Emit marshalling loop */
6623 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6624 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
6625 mono_mb_emit_stloc (mb, index_var);
6627 mono_mb_emit_ldloc (mb, index_var);
6628 mono_mb_emit_ldarg (mb, argnum);
6630 mono_mb_emit_byte (mb, CEE_LDIND_REF);
6631 mono_mb_emit_byte (mb, CEE_LDLEN);
6632 label3 = mono_mb_emit_branch (mb, CEE_BGE);
6634 /* Emit marshalling code */
6636 if (eklass == mono_defaults.stringbuilder_class) {
6637 gboolean need_free2;
6638 MonoMarshalConv conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free2);
6640 g_assert (conv != -1);
6643 mono_mb_emit_ldarg (mb, argnum);
6645 mono_mb_emit_byte (mb, CEE_LDIND_I);
6646 mono_mb_emit_ldloc (mb, index_var);
6647 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
6650 mono_mb_emit_ldloc (mb, src_ptr);
6651 mono_mb_emit_byte (mb, CEE_LDIND_I);
6653 mono_mb_emit_icall (mb, conv_to_icall (conv));
6657 mono_mb_emit_ldloc (mb, src_ptr);
6658 mono_mb_emit_byte (mb, CEE_LDIND_I);
6660 mono_mb_emit_icall (mb, mono_marshal_free);
6663 else if (eklass == mono_defaults.string_class) {
6666 mono_mb_emit_ldloc (mb, src_ptr);
6667 mono_mb_emit_byte (mb, CEE_LDIND_I);
6669 mono_mb_emit_icall (mb, mono_marshal_free);
6674 /* set the src_ptr */
6675 mono_mb_emit_ldloc (mb, src_ptr);
6676 mono_mb_emit_stloc (mb, 0);
6679 mono_mb_emit_ldarg (mb, argnum);
6681 mono_mb_emit_byte (mb, CEE_LDIND_I);
6682 mono_mb_emit_ldloc (mb, index_var);
6683 mono_mb_emit_op (mb, CEE_LDELEMA, eklass);
6684 mono_mb_emit_stloc (mb, 1);
6686 /* emit valuetype conversion code */
6687 emit_struct_conv (mb, eklass, TRUE);
6691 mono_mb_emit_ldloc (mb, src_ptr);
6692 mono_mb_emit_stloc (mb, loc);
6693 mono_mb_emit_ldloc (mb, loc);
6695 emit_struct_free (mb, eklass, loc);
6699 mono_mb_emit_add_to_local (mb, index_var, 1);
6700 mono_mb_emit_add_to_local (mb, src_ptr, esize);
6702 mono_mb_emit_byte (mb, CEE_BR);
6703 mono_mb_emit_i4 (mb, label2 - (mb->pos + 4));
6705 mono_mb_patch_branch (mb, label1);
6706 mono_mb_patch_branch (mb, label3);
6710 case MARSHAL_ACTION_PUSH:
6712 mono_mb_emit_ldloc_addr (mb, conv_arg);
6714 mono_mb_emit_ldloc (mb, conv_arg);
6717 case MARSHAL_ACTION_CONV_RESULT:
6718 /* fixme: we need conversions here */
6719 mono_mb_emit_stloc (mb, 3);
6722 case MARSHAL_ACTION_MANAGED_CONV_IN: {
6724 guint32 label1, label2, label3;
6725 int index_var, src_ptr, loc, esize, param_num, num_elem;
6726 MonoMarshalConv conv;
6727 gboolean is_string = FALSE;
6729 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
6730 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6733 char *msg = g_strdup ("Byref array marshalling to managed code is not implemented.");
6734 mono_mb_emit_exception_marshal_directive (mb, msg);
6738 char *msg = g_strdup ("[MarshalAs] attribute required to marshal arrays to managed code.");
6739 mono_mb_emit_exception_marshal_directive (mb, msg);
6742 if (spec->native != MONO_NATIVE_LPARRAY) {
6743 char *msg = g_strdup ("Non LPArray marshalling of arrays to managed code is not implemented.");
6744 mono_mb_emit_exception_marshal_directive (mb, msg);
6748 /* FIXME: t is from the method which is wrapped, not the delegate type */
6749 /* g_assert (t->attrs & PARAM_ATTRIBUTE_IN); */
6751 param_num = spec->data.array_data.param_num;
6752 num_elem = spec->data.array_data.num_elem;
6753 if (spec->data.array_data.elem_mult == 0)
6754 /* param_num is not specified */
6757 if (param_num == -1) {
6758 if (num_elem <= 0) {
6759 char *msg = g_strdup ("Either SizeConst or SizeParamIndex should be specified when marshalling arrays to managed code.");
6760 mono_mb_emit_exception_marshal_directive (mb, msg);
6765 /* FIXME: Optimize blittable case */
6767 eklass = klass->element_class;
6768 if (eklass == mono_defaults.string_class) {
6770 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
6772 else if (eklass == mono_defaults.stringbuilder_class) {
6774 conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free);
6779 mono_marshal_load_type_info (eklass);
6782 esize = sizeof (gpointer);
6784 esize = mono_class_native_size (eklass, NULL);
6785 src_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6786 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6788 mono_mb_emit_byte (mb, CEE_LDNULL);
6789 mono_mb_emit_stloc (mb, conv_arg);
6791 /* Check param index */
6792 if (param_num != -1) {
6793 if (param_num >= m->sig->param_count) {
6794 char *msg = g_strdup ("Array size control parameter index is out of range.");
6795 mono_mb_emit_exception_marshal_directive (mb, msg);
6798 switch (m->sig->params [param_num]->type) {
6811 char *msg = g_strdup ("Array size control parameter must be an integral type.");
6812 mono_mb_emit_exception_marshal_directive (mb, msg);
6819 mono_mb_emit_ldarg (mb, argnum);
6820 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6822 mono_mb_emit_ldarg (mb, argnum);
6823 mono_mb_emit_stloc (mb, src_ptr);
6825 /* Create managed array */
6827 * The LPArray marshalling spec says that sometimes param_num starts
6828 * from 1, sometimes it starts from 0. But MS seems to allways start
6832 if (param_num == -1)
6833 mono_mb_emit_icon (mb, num_elem);
6835 /* FIXME: Add the two together */
6836 mono_mb_emit_ldarg (mb, param_num);
6838 mono_mb_emit_icon (mb, num_elem);
6839 mono_mb_emit_byte (mb, CEE_ADD);
6843 mono_mb_emit_op (mb, CEE_NEWARR, eklass);
6844 mono_mb_emit_stloc (mb, conv_arg);
6846 if (eklass->blittable) {
6847 mono_mb_emit_ldloc (mb, conv_arg);
6848 mono_mb_emit_byte (mb, CEE_CONV_I);
6849 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArray, vector));
6850 mono_mb_emit_byte (mb, CEE_ADD);
6851 mono_mb_emit_ldarg (mb, argnum);
6852 mono_mb_emit_ldloc (mb, conv_arg);
6853 mono_mb_emit_byte (mb, CEE_LDLEN);
6854 mono_mb_emit_icon (mb, esize);
6855 mono_mb_emit_byte (mb, CEE_MUL);
6856 mono_mb_emit_byte (mb, CEE_PREFIX1);
6857 mono_mb_emit_byte (mb, CEE_CPBLK);
6861 /* Emit marshalling loop */
6862 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6863 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
6864 mono_mb_emit_stloc (mb, index_var);
6866 mono_mb_emit_ldloc (mb, index_var);
6867 mono_mb_emit_ldloc (mb, conv_arg);
6868 mono_mb_emit_byte (mb, CEE_LDLEN);
6869 label3 = mono_mb_emit_branch (mb, CEE_BGE);
6871 /* Emit marshalling code */
6873 g_assert (conv != -1);
6875 mono_mb_emit_ldloc (mb, conv_arg);
6876 mono_mb_emit_ldloc (mb, index_var);
6878 mono_mb_emit_ldloc (mb, src_ptr);
6879 mono_mb_emit_byte (mb, CEE_LDIND_I);
6881 mono_mb_emit_icall (mb, conv_to_icall (conv));
6882 mono_mb_emit_byte (mb, CEE_STELEM_REF);
6885 char *msg = g_strdup ("Marshalling of non-string and non-blittable arrays to managed code is not implemented.");
6886 mono_mb_emit_exception_marshal_directive (mb, msg);
6890 mono_mb_emit_add_to_local (mb, index_var, 1);
6891 mono_mb_emit_add_to_local (mb, src_ptr, esize);
6893 mono_mb_emit_byte (mb, CEE_BR);
6894 mono_mb_emit_i4 (mb, label2 - (mb->pos + 4));
6896 mono_mb_patch_branch (mb, label1);
6897 mono_mb_patch_branch (mb, label3);
6901 case MARSHAL_ACTION_MANAGED_CONV_OUT: {
6903 guint32 label1, label2, label3;
6904 int index_var, dest_ptr, loc, esize, param_num, num_elem;
6905 MonoMarshalConv conv;
6906 gboolean is_string = FALSE;
6909 /* Already handled in CONV_IN */
6912 /* These are already checked in CONV_IN */
6913 g_assert (!t->byref);
6914 g_assert (spec->native == MONO_NATIVE_LPARRAY);
6915 g_assert (t->attrs & PARAM_ATTRIBUTE_OUT);
6917 param_num = spec->data.array_data.param_num;
6918 num_elem = spec->data.array_data.num_elem;
6920 if (spec->data.array_data.elem_mult == 0)
6921 /* param_num is not specified */
6924 if (param_num == -1) {
6925 if (num_elem <= 0) {
6926 g_assert_not_reached ();
6930 /* FIXME: Optimize blittable case */
6932 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 mono_marshal_load_type_info (eklass);
6947 esize = sizeof (gpointer);
6949 esize = mono_class_native_size (eklass, NULL);
6951 dest_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6952 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6955 mono_mb_emit_ldloc (mb, conv_arg);
6956 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6958 mono_mb_emit_ldarg (mb, argnum);
6959 mono_mb_emit_stloc (mb, dest_ptr);
6961 if (eklass->blittable) {
6963 mono_mb_emit_ldarg (mb, argnum);
6965 mono_mb_emit_ldloc (mb, conv_arg);
6966 mono_mb_emit_byte (mb, CEE_CONV_I);
6967 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArray, vector));
6968 mono_mb_emit_byte (mb, CEE_ADD);
6970 mono_mb_emit_ldloc (mb, conv_arg);
6971 mono_mb_emit_byte (mb, CEE_LDLEN);
6972 mono_mb_emit_icon (mb, esize);
6973 mono_mb_emit_byte (mb, CEE_MUL);
6974 mono_mb_emit_byte (mb, CEE_PREFIX1);
6975 mono_mb_emit_byte (mb, CEE_CPBLK);
6979 /* Emit marshalling loop */
6980 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6981 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
6982 mono_mb_emit_stloc (mb, index_var);
6984 mono_mb_emit_ldloc (mb, index_var);
6985 mono_mb_emit_ldloc (mb, conv_arg);
6986 mono_mb_emit_byte (mb, CEE_LDLEN);
6987 label3 = mono_mb_emit_branch (mb, CEE_BGE);
6989 /* Emit marshalling code */
6991 g_assert (conv != -1);
6994 mono_mb_emit_ldloc (mb, dest_ptr);
6997 mono_mb_emit_ldloc (mb, conv_arg);
6998 mono_mb_emit_ldloc (mb, index_var);
7000 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
7002 mono_mb_emit_icall (mb, conv_to_icall (conv));
7003 mono_mb_emit_byte (mb, CEE_STIND_I);
7006 char *msg = g_strdup ("Marshalling of non-string and non-blittable arrays to managed code is not implemented.");
7007 mono_mb_emit_exception_marshal_directive (mb, msg);
7011 mono_mb_emit_add_to_local (mb, index_var, 1);
7012 mono_mb_emit_add_to_local (mb, dest_ptr, esize);
7014 mono_mb_emit_byte (mb, CEE_BR);
7015 mono_mb_emit_i4 (mb, label2 - (mb->pos + 4));
7017 mono_mb_patch_branch (mb, label1);
7018 mono_mb_patch_branch (mb, label3);
7022 case MARSHAL_ACTION_MANAGED_CONV_RESULT: {
7024 guint32 label1, label2, label3;
7025 int index_var, src, dest, esize;
7026 MonoMarshalConv conv = -1;
7027 gboolean is_string = FALSE;
7029 g_assert (!t->byref);
7031 eklass = klass->element_class;
7033 mono_marshal_load_type_info (eklass);
7035 if (eklass == mono_defaults.string_class) {
7037 conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
7040 g_assert_not_reached ();
7044 esize = sizeof (gpointer);
7046 esize = mono_class_native_size (eklass, NULL);
7048 src = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
7049 dest = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7051 mono_mb_emit_stloc (mb, src);
7052 mono_mb_emit_ldloc (mb, src);
7053 mono_mb_emit_stloc (mb, 3);
7055 /* Check for null */
7056 mono_mb_emit_ldloc (mb, src);
7057 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
7059 /* Allocate native array */
7060 mono_mb_emit_icon (mb, esize);
7061 mono_mb_emit_ldloc (mb, src);
7062 mono_mb_emit_byte (mb, CEE_LDLEN);
7064 if (eklass == mono_defaults.string_class) {
7065 /* Make the array bigger for the terminating null */
7066 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
7067 mono_mb_emit_byte (mb, CEE_ADD);
7069 mono_mb_emit_byte (mb, CEE_MUL);
7070 mono_mb_emit_icall (mb, mono_marshal_alloc);
7071 mono_mb_emit_stloc (mb, dest);
7072 mono_mb_emit_ldloc (mb, dest);
7073 mono_mb_emit_stloc (mb, 3);
7075 /* Emit marshalling loop */
7076 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7077 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7078 mono_mb_emit_stloc (mb, index_var);
7080 mono_mb_emit_ldloc (mb, index_var);
7081 mono_mb_emit_ldloc (mb, src);
7082 mono_mb_emit_byte (mb, CEE_LDLEN);
7083 label3 = mono_mb_emit_branch (mb, CEE_BGE);
7085 /* Emit marshalling code */
7087 g_assert (conv != -1);
7090 mono_mb_emit_ldloc (mb, dest);
7093 mono_mb_emit_ldloc (mb, src);
7094 mono_mb_emit_ldloc (mb, index_var);
7096 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
7098 mono_mb_emit_icall (mb, conv_to_icall (conv));
7099 mono_mb_emit_byte (mb, CEE_STIND_I);
7102 char *msg = g_strdup ("Marshalling of non-string arrays to managed code is not implemented.");
7103 mono_mb_emit_exception_marshal_directive (mb, msg);
7107 mono_mb_emit_add_to_local (mb, index_var, 1);
7108 mono_mb_emit_add_to_local (mb, dest, esize);
7110 mono_mb_emit_byte (mb, CEE_BR);
7111 mono_mb_emit_i4 (mb, label2 - (mb->pos + 4));
7113 mono_mb_patch_branch (mb, label3);
7114 mono_mb_patch_branch (mb, label1);
7118 g_assert_not_reached ();
7125 emit_marshal_boolean (EmitMarshalContext *m, int argnum, MonoType *t,
7126 MonoMarshalSpec *spec,
7127 int conv_arg, MonoType **conv_arg_type,
7128 MarshalAction action)
7130 MonoMethodBuilder *mb = m->mb;
7133 case MARSHAL_ACTION_CONV_IN: {
7134 MonoType *local_type;
7135 int variant_bool = 0;
7139 local_type = &mono_defaults.int32_class->byval_arg;
7141 switch (spec->native) {
7142 case MONO_NATIVE_I1:
7143 local_type = &mono_defaults.byte_class->byval_arg;
7145 case MONO_NATIVE_VARIANTBOOL:
7146 local_type = &mono_defaults.int16_class->byval_arg;
7150 g_warning ("marshalling bool as native type %x is currently not supported", spec->native);
7151 local_type = &mono_defaults.int32_class->byval_arg;
7155 *conv_arg_type = &mono_defaults.int_class->byval_arg;
7156 conv_arg = mono_mb_add_local (mb, local_type);
7157 mono_mb_emit_ldarg (mb, argnum);
7158 mono_mb_emit_byte (mb, CEE_LDIND_I1);
7160 mono_mb_emit_byte (mb, CEE_NEG);
7161 mono_mb_emit_stloc (mb, conv_arg);
7165 case MARSHAL_ACTION_CONV_OUT:
7168 mono_mb_emit_ldarg (mb, argnum);
7169 mono_mb_emit_ldloc (mb, conv_arg);
7170 if (spec != NULL && spec->native == MONO_NATIVE_VARIANTBOOL)
7171 mono_mb_emit_byte (mb, CEE_NEG);
7172 mono_mb_emit_byte (mb, CEE_STIND_I1);
7175 case MARSHAL_ACTION_PUSH:
7177 mono_mb_emit_ldloc_addr (mb, conv_arg);
7179 mono_mb_emit_ldarg (mb, argnum);
7182 case MARSHAL_ACTION_CONV_RESULT:
7183 /* maybe we need to make sure that it fits within 8 bits */
7184 mono_mb_emit_stloc (mb, 3);
7188 g_assert_not_reached ();
7195 emit_marshal_ptr (EmitMarshalContext *m, int argnum, MonoType *t,
7196 MonoMarshalSpec *spec, int conv_arg,
7197 MonoType **conv_arg_type, MarshalAction action)
7199 MonoMethodBuilder *mb = m->mb;
7202 case MARSHAL_ACTION_CONV_IN:
7203 if (MONO_TYPE_ISSTRUCT (t->data.type)) {
7204 char *msg = g_strdup_printf ("Can not marshal 'parameter #%d': Pointers can not reference marshaled structures. Use byref instead.", argnum + 1);
7205 mono_mb_emit_exception_marshal_directive (m->mb, msg);
7209 case MARSHAL_ACTION_PUSH:
7210 mono_mb_emit_ldarg (mb, argnum);
7213 case MARSHAL_ACTION_CONV_RESULT:
7214 /* no conversions necessary */
7215 mono_mb_emit_stloc (mb, 3);
7226 emit_marshal_char (EmitMarshalContext *m, int argnum, MonoType *t,
7227 MonoMarshalSpec *spec, int conv_arg,
7228 MonoType **conv_arg_type, MarshalAction action)
7230 MonoMethodBuilder *mb = m->mb;
7233 case MARSHAL_ACTION_PUSH:
7234 /* fixme: dont know how to marshal that. We cant simply
7235 * convert it to a one byte UTF8 character, because an
7236 * unicode character may need more that one byte in UTF8 */
7237 mono_mb_emit_ldarg (mb, argnum);
7240 case MARSHAL_ACTION_CONV_RESULT:
7241 /* fixme: we need conversions here */
7242 mono_mb_emit_stloc (mb, 3);
7253 emit_marshal_scalar (EmitMarshalContext *m, int argnum, MonoType *t,
7254 MonoMarshalSpec *spec, int conv_arg,
7255 MonoType **conv_arg_type, MarshalAction action)
7257 MonoMethodBuilder *mb = m->mb;
7260 case MARSHAL_ACTION_PUSH:
7261 mono_mb_emit_ldarg (mb, argnum);
7264 case MARSHAL_ACTION_CONV_RESULT:
7265 /* no conversions necessary */
7266 mono_mb_emit_stloc (mb, 3);
7277 emit_marshal (EmitMarshalContext *m, int argnum, MonoType *t,
7278 MonoMarshalSpec *spec, int conv_arg,
7279 MonoType **conv_arg_type, MarshalAction action)
7281 /* Ensure that we have marshalling info for this param */
7282 mono_marshal_load_type_info (mono_class_from_mono_type (t));
7284 if (spec && spec->native == MONO_NATIVE_CUSTOM)
7285 return emit_marshal_custom (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7287 if (spec && spec->native == MONO_NATIVE_ASANY)
7288 return emit_marshal_asany (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7291 case MONO_TYPE_VALUETYPE:
7292 return emit_marshal_vtype (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7293 case MONO_TYPE_STRING:
7294 return emit_marshal_string (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7295 case MONO_TYPE_CLASS:
7296 case MONO_TYPE_OBJECT:
7297 return emit_marshal_object (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7298 case MONO_TYPE_ARRAY:
7299 case MONO_TYPE_SZARRAY:
7300 return emit_marshal_array (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7301 case MONO_TYPE_BOOLEAN:
7302 return emit_marshal_boolean (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7304 return emit_marshal_ptr (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7305 case MONO_TYPE_CHAR:
7306 return emit_marshal_char (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7319 case MONO_TYPE_FNPTR:
7320 return emit_marshal_scalar (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7327 * mono_marshal_emit_native_wrapper:
7328 * @image: the image to use for looking up custom marshallers
7329 * @sig: The signature of the native function
7330 * @piinfo: Marshalling information
7331 * @mspecs: Marshalling information
7332 * @func: the native function to call
7334 * generates IL code for the pinvoke wrapper, the generated code calls @func.
7337 mono_marshal_emit_native_wrapper (MonoImage *image, MonoMethodBuilder *mb, MonoMethodSignature *sig, MonoMethodPInvoke *piinfo, MonoMarshalSpec **mspecs, gpointer func)
7339 EmitMarshalContext m;
7340 MonoMethodSignature *csig;
7342 int i, argnum, *tmp_locals;
7344 static MonoMethodSignature *get_last_error_sig = NULL;
7349 /* we copy the signature, so that we can set pinvoke to 0 */
7350 csig = signature_dup (mb->method->klass->image, sig);
7355 /* we allocate local for use with emit_struct_conv() */
7356 /* allocate local 0 (pointer) src_ptr */
7357 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7358 /* allocate local 1 (pointer) dst_ptr */
7359 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7360 /* allocate local 2 (boolean) delete_old */
7361 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
7363 /* delete_old = FALSE */
7364 mono_mb_emit_icon (mb, 0);
7365 mono_mb_emit_stloc (mb, 2);
7367 if (!MONO_TYPE_IS_VOID(sig->ret)) {
7368 /* allocate local 3 to store the return value */
7369 mono_mb_add_local (mb, sig->ret);
7372 if (mspecs [0] && mspecs [0]->native == MONO_NATIVE_CUSTOM) {
7373 /* Return type custom marshaling */
7375 * Since we can't determine the return type of the unmanaged function,
7376 * we assume it returns a pointer, and pass that pointer to
7377 * MarshalNativeToManaged.
7379 csig->ret = &mono_defaults.int_class->byval_arg;
7382 /* we first do all conversions */
7383 tmp_locals = alloca (sizeof (int) * sig->param_count);
7384 m.orig_conv_args = alloca (sizeof (int) * (sig->param_count + 1));
7386 for (i = 0; i < sig->param_count; i ++) {
7387 tmp_locals [i] = emit_marshal (&m, i + sig->hasthis, sig->params [i], mspecs [i + 1], 0, &csig->params [i], MARSHAL_ACTION_CONV_IN);
7390 /* push all arguments */
7393 mono_mb_emit_byte (mb, CEE_LDARG_0);
7396 for (i = 0; i < sig->param_count; i++) {
7397 emit_marshal (&m, i + sig->hasthis, sig->params [i], mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_PUSH);
7400 /* call the native method */
7401 if (MONO_CLASS_IS_IMPORT (mb->method->klass)) {
7402 mono_mb_emit_cominterop_call (mb, csig, &piinfo->method);
7405 mono_mb_emit_native_call (mb, csig, func);
7408 /* Set LastError if needed */
7409 if (piinfo->piflags & PINVOKE_ATTRIBUTE_SUPPORTS_LAST_ERROR) {
7410 if (!get_last_error_sig) {
7411 get_last_error_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
7412 get_last_error_sig->ret = &mono_defaults.int_class->byval_arg;
7413 get_last_error_sig->pinvoke = 1;
7416 #ifdef PLATFORM_WIN32
7418 * Have to call GetLastError () early and without a wrapper, since various runtime components could
7419 * clobber its value.
7421 mono_mb_emit_native_call (mb, get_last_error_sig, GetLastError);
7422 mono_mb_emit_icall (mb, mono_marshal_set_last_error_windows);
7424 mono_mb_emit_icall (mb, mono_marshal_set_last_error);
7428 /* convert the result */
7429 if (!sig->ret->byref) {
7430 MonoMarshalSpec *spec = mspecs [0];
7431 type = sig->ret->type;
7433 if (spec && spec->native == MONO_NATIVE_CUSTOM) {
7434 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
7439 case MONO_TYPE_VOID:
7441 case MONO_TYPE_VALUETYPE:
7442 klass = sig->ret->data.klass;
7443 if (klass->enumtype) {
7444 type = sig->ret->data.klass->enum_basetype->type;
7447 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
7461 case MONO_TYPE_FNPTR:
7462 case MONO_TYPE_STRING:
7463 case MONO_TYPE_CLASS:
7464 case MONO_TYPE_OBJECT:
7465 case MONO_TYPE_BOOLEAN:
7466 case MONO_TYPE_ARRAY:
7467 case MONO_TYPE_SZARRAY:
7468 case MONO_TYPE_CHAR:
7470 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
7472 case MONO_TYPE_TYPEDBYREF:
7474 g_warning ("return type 0x%02x unknown", sig->ret->type);
7475 g_assert_not_reached ();
7479 mono_mb_emit_stloc (mb, 3);
7483 * Need to call this after converting the result since MONO_VTADDR needs
7484 * to be adjacent to the call instruction.
7486 emit_thread_interrupt_checkpoint (mb);
7488 /* we need to convert byref arguments back and free string arrays */
7489 for (i = 0; i < sig->param_count; i++) {
7490 MonoType *t = sig->params [i];
7491 MonoMarshalSpec *spec = mspecs [i + 1];
7493 argnum = i + sig->hasthis;
7495 if (spec && ((spec->native == MONO_NATIVE_CUSTOM) || (spec->native == MONO_NATIVE_ASANY))) {
7496 emit_marshal (&m, argnum, t, spec, tmp_locals [i], NULL, MARSHAL_ACTION_CONV_OUT);
7501 case MONO_TYPE_STRING:
7502 case MONO_TYPE_VALUETYPE:
7503 case MONO_TYPE_CLASS:
7504 case MONO_TYPE_OBJECT:
7505 case MONO_TYPE_SZARRAY:
7506 case MONO_TYPE_BOOLEAN:
7507 emit_marshal (&m, argnum, t, spec, tmp_locals [i], NULL, MARSHAL_ACTION_CONV_OUT);
7512 if (!MONO_TYPE_IS_VOID(sig->ret))
7513 mono_mb_emit_ldloc (mb, 3);
7515 mono_mb_emit_byte (mb, CEE_RET);
7519 * mono_marshal_get_native_wrapper:
7520 * @method: The MonoMethod to wrap.
7522 * generates IL code for the pinvoke wrapper (the generated method
7523 * calls the unmanaged code in piinfo->addr)
7526 mono_marshal_get_native_wrapper (MonoMethod *method)
7528 MonoMethodSignature *sig, *csig;
7529 MonoMethodPInvoke *piinfo = (MonoMethodPInvoke *) method;
7530 MonoMethodBuilder *mb;
7531 MonoMarshalSpec **mspecs;
7534 gboolean pinvoke = FALSE;
7537 const char *exc_class = "MissingMethodException";
7538 const char *exc_arg = NULL;
7540 g_assert (method != NULL);
7541 g_assert (mono_method_signature (method)->pinvoke);
7543 cache = method->klass->image->native_wrapper_cache;
7544 if ((res = mono_marshal_find_in_cache (cache, method)))
7547 if (MONO_CLASS_IS_IMPORT (method->klass))
7548 return cominterop_get_native_wrapper (method);
7550 sig = mono_method_signature (method);
7552 if (!(method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
7553 (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL))
7556 if (!piinfo->addr) {
7558 mono_lookup_pinvoke_call (method, &exc_class, &exc_arg);
7560 piinfo->addr = mono_lookup_internal_call (method);
7563 /* hack - redirect certain string constructors to CreateString */
7564 if (piinfo->addr == ves_icall_System_String_ctor_RedirectToCreateString) {
7565 g_assert (!pinvoke);
7566 g_assert (method->string_ctor);
7567 g_assert (sig->hasthis);
7569 /* CreateString returns a value */
7570 csig = signature_dup (method->klass->image, sig);
7571 csig->ret = &mono_defaults.string_class->byval_arg;
7575 while ((res = mono_class_get_methods (mono_defaults.string_class, &iter))) {
7576 if (!strcmp ("CreateString", res->name) &&
7577 mono_metadata_signature_equal (csig, mono_method_signature (res))) {
7579 g_assert (!(res->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL));
7580 g_assert (!(res->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL));
7582 /* create a wrapper to preserve .ctor in stack trace */
7583 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_MANAGED_TO_MANAGED);
7585 mono_mb_emit_byte (mb, CEE_LDARG_0);
7586 for (i = 1; i <= csig->param_count; i++)
7587 mono_mb_emit_ldarg (mb, i);
7588 mono_mb_emit_managed_call (mb, res, NULL);
7589 mono_mb_emit_byte (mb, CEE_RET);
7591 /* use native_wrapper_cache because internal calls are looked up there */
7592 res = mono_mb_create_and_cache (cache, method,
7593 mb, csig, csig->param_count + 1);
7601 /* exception will be thrown */
7602 piinfo->addr = NULL;
7603 g_warning ("cannot find CreateString for .ctor");
7606 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_MANAGED_TO_NATIVE);
7608 mb->method->save_lmf = 1;
7610 if (!piinfo->addr) {
7611 mono_mb_emit_exception (mb, exc_class, exc_arg);
7612 csig = signature_dup (method->klass->image, sig);
7614 res = mono_mb_create_and_cache (cache, method,
7615 mb, csig, csig->param_count + 16);
7620 /* internal calls: we simply push all arguments and call the method (no conversions) */
7621 if (method->iflags & (METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL | METHOD_IMPL_ATTRIBUTE_RUNTIME)) {
7623 /* hack - string constructors returns a value */
7624 if (method->string_ctor) {
7625 csig = signature_dup (method->klass->image, sig);
7626 csig->ret = &mono_defaults.string_class->byval_arg;
7631 mono_mb_emit_byte (mb, CEE_LDARG_0);
7633 for (i = 0; i < sig->param_count; i++)
7634 mono_mb_emit_ldarg (mb, i + sig->hasthis);
7636 g_assert (piinfo->addr);
7637 mono_mb_emit_native_call (mb, csig, piinfo->addr);
7638 emit_thread_interrupt_checkpoint (mb);
7639 mono_mb_emit_byte (mb, CEE_RET);
7641 csig = signature_dup (method->klass->image, csig);
7643 res = mono_mb_create_and_cache (cache, method,
7644 mb, csig, csig->param_count + 16);
7651 mspecs = g_new (MonoMarshalSpec*, sig->param_count + 1);
7652 mono_method_get_marshal_info (method, mspecs);
7654 mono_marshal_emit_native_wrapper (mb->method->klass->image, mb, sig, piinfo, mspecs, piinfo->addr);
7656 csig = signature_dup (method->klass->image, sig);
7658 res = mono_mb_create_and_cache (cache, method,
7659 mb, csig, csig->param_count + 16);
7662 for (i = sig->param_count; i >= 0; i--)
7664 mono_metadata_free_marshal_spec (mspecs [i]);
7667 /* 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)); */
7673 * mono_marshal_get_native_func_wrapper:
7674 * @image: The image to use for memory allocation and for looking up custom marshallers.
7675 * @sig: The signature of the function
7676 * @func: The native function to wrap
7678 * Returns a wrapper method around native functions, similar to the pinvoke
7682 mono_marshal_get_native_func_wrapper (MonoImage *image, MonoMethodSignature *sig,
7683 MonoMethodPInvoke *piinfo, MonoMarshalSpec **mspecs, gpointer func)
7685 MonoMethodSignature *csig;
7687 MonoMethodBuilder *mb;
7692 cache = image->native_wrapper_cache;
7693 if ((res = mono_marshal_find_in_cache (cache, func)))
7696 name = g_strdup_printf ("wrapper_native_%p", func);
7697 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_MANAGED_TO_NATIVE);
7698 mb->method->save_lmf = 1;
7700 mono_marshal_emit_native_wrapper (image, mb, sig, piinfo, mspecs, func);
7702 csig = signature_dup (image, sig);
7704 res = mono_mb_create_and_cache (cache, func,
7705 mb, csig, csig->param_count + 16);
7708 /* 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)); */
7714 * generates IL code to call managed methods from unmanaged code
7717 mono_marshal_get_managed_wrapper (MonoMethod *method, MonoClass *delegate_klass, MonoObject *this)
7719 static MonoClass *UnmanagedFunctionPointerAttribute;
7720 MonoMethodSignature *sig, *csig, *invoke_sig;
7721 MonoMethodBuilder *mb;
7722 MonoMethod *res, *invoke;
7723 MonoMarshalSpec **mspecs;
7724 MonoMethodPInvoke piinfo;
7727 EmitMarshalContext m;
7729 g_assert (method != NULL);
7730 g_assert (!mono_method_signature (method)->pinvoke);
7733 * FIXME: Should cache the method+delegate type pair, since the same method
7734 * could be called with different delegates, thus different marshalling
7737 cache = method->klass->image->managed_wrapper_cache;
7738 if (!this && (res = mono_marshal_find_in_cache (cache, method)))
7741 invoke = mono_class_get_method_from_name (delegate_klass, "Invoke", mono_method_signature (method)->param_count);
7742 invoke_sig = mono_method_signature (invoke);
7744 mspecs = g_new0 (MonoMarshalSpec*, mono_method_signature (invoke)->param_count + 1);
7745 mono_method_get_marshal_info (invoke, mspecs);
7747 sig = mono_method_signature (method);
7749 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_NATIVE_TO_MANAGED);
7751 /* allocate local 0 (pointer) src_ptr */
7752 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7753 /* allocate local 1 (pointer) dst_ptr */
7754 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7755 /* allocate local 2 (boolean) delete_old */
7756 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
7758 if (!MONO_TYPE_IS_VOID(sig->ret)) {
7759 /* allocate local 3 to store the return value */
7760 mono_mb_add_local (mb, sig->ret);
7763 mono_mb_emit_icon (mb, 0);
7764 mono_mb_emit_stloc (mb, 2);
7766 /* we copy the signature, so that we can modify it */
7767 csig = signature_dup (method->klass->image, sig);
7776 m.image = method->klass->image;
7778 #ifdef PLATFORM_WIN32
7780 * Under windows, delegates passed to native code must use the STDCALL
7781 * calling convention.
7783 csig->call_convention = MONO_CALL_STDCALL;
7786 /* Change default calling convention if needed */
7787 /* Why is this a modopt ? */
7788 if (invoke_sig->ret && invoke_sig->ret->num_mods) {
7789 for (i = 0; i < invoke_sig->ret->num_mods; ++i) {
7790 MonoClass *cmod_class = mono_class_get (delegate_klass->image, invoke_sig->ret->modifiers [i].token);
7791 g_assert (cmod_class);
7792 if ((cmod_class->image == mono_defaults.corlib) && !strcmp (cmod_class->name_space, "System.Runtime.CompilerServices")) {
7793 if (!strcmp (cmod_class->name, "CallConvCdecl"))
7794 csig->call_convention = MONO_CALL_C;
7795 else if (!strcmp (cmod_class->name, "CallConvStdcall"))
7796 csig->call_convention = MONO_CALL_STDCALL;
7797 else if (!strcmp (cmod_class->name, "CallConvFastcall"))
7798 csig->call_convention = MONO_CALL_FASTCALL;
7799 else if (!strcmp (cmod_class->name, "CallConvThiscall"))
7800 csig->call_convention = MONO_CALL_THISCALL;
7805 /* Handle the UnmanagedFunctionPointerAttribute */
7806 if (!UnmanagedFunctionPointerAttribute)
7807 UnmanagedFunctionPointerAttribute = mono_class_from_name (mono_defaults.corlib, "System.Runtime.InteropServices", "UnmanagedFunctionPointerAttribute");
7809 /* The attribute is only available in Net 2.0 */
7810 if (UnmanagedFunctionPointerAttribute) {
7811 MonoReflectionUnmanagedFunctionPointerAttribute *attr;
7812 MonoCustomAttrInfo *cinfo;
7815 * The pinvoke attributes are stored in a real custom attribute so we have to
7818 cinfo = mono_custom_attrs_from_class (delegate_klass);
7820 attr = (MonoReflectionUnmanagedFunctionPointerAttribute*)mono_custom_attrs_get_attr (cinfo, UnmanagedFunctionPointerAttribute);
7822 memset (&piinfo, 0, sizeof (piinfo));
7824 piinfo.piflags = (attr->call_conv << 8) | (attr->charset ? (attr->charset - 1) * 2 : 1) | attr->set_last_error;
7826 csig->call_convention = attr->call_conv - 1;
7829 mono_custom_attrs_free (cinfo);
7833 /* fixme: howto handle this ? */
7836 mono_mb_emit_ptr (mb, this);
7839 g_assert_not_reached ();
7843 /* we first do all conversions */
7844 tmp_locals = alloca (sizeof (int) * sig->param_count);
7845 for (i = 0; i < sig->param_count; i ++) {
7846 MonoType *t = sig->params [i];
7849 case MONO_TYPE_OBJECT:
7850 case MONO_TYPE_CLASS:
7851 case MONO_TYPE_VALUETYPE:
7852 case MONO_TYPE_ARRAY:
7853 case MONO_TYPE_SZARRAY:
7854 case MONO_TYPE_STRING:
7855 tmp_locals [i] = emit_marshal (&m, i, sig->params [i], mspecs [i + 1], 0, &csig->params [i], MARSHAL_ACTION_MANAGED_CONV_IN);
7864 emit_thread_interrupt_checkpoint (mb);
7866 for (i = 0; i < sig->param_count; i++) {
7867 MonoType *t = sig->params [i];
7869 if (tmp_locals [i]) {
7871 mono_mb_emit_ldloc_addr (mb, tmp_locals [i]);
7873 mono_mb_emit_ldloc (mb, tmp_locals [i]);
7876 mono_mb_emit_ldarg (mb, i);
7879 mono_mb_emit_managed_call (mb, method, NULL);
7881 if (mspecs [0] && mspecs [0]->native == MONO_NATIVE_CUSTOM) {
7882 emit_marshal (&m, 0, sig->ret, mspecs [0], 0, NULL, MARSHAL_ACTION_MANAGED_CONV_RESULT);
7885 if (!sig->ret->byref) {
7886 switch (sig->ret->type) {
7887 case MONO_TYPE_VOID:
7889 case MONO_TYPE_BOOLEAN:
7903 case MONO_TYPE_OBJECT:
7904 mono_mb_emit_stloc (mb, 3);
7906 case MONO_TYPE_STRING:
7907 csig->ret = &mono_defaults.int_class->byval_arg;
7908 emit_marshal (&m, 0, sig->ret, mspecs [0], 0, NULL, MARSHAL_ACTION_MANAGED_CONV_RESULT);
7910 case MONO_TYPE_VALUETYPE:
7911 case MONO_TYPE_CLASS:
7912 case MONO_TYPE_SZARRAY:
7913 emit_marshal (&m, 0, sig->ret, mspecs [0], 0, NULL, MARSHAL_ACTION_MANAGED_CONV_RESULT);
7916 g_warning ("return type 0x%02x unknown", sig->ret->type);
7917 g_assert_not_reached ();
7920 mono_mb_emit_stloc (mb, 3);
7923 /* Convert byref arguments back */
7924 for (i = 0; i < sig->param_count; i ++) {
7925 MonoType *t = sig->params [i];
7926 MonoMarshalSpec *spec = mspecs [i + 1];
7928 if (spec && spec->native == MONO_NATIVE_CUSTOM) {
7929 emit_marshal (&m, i, t, mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_MANAGED_CONV_OUT);
7931 else if (t->byref) {
7933 case MONO_TYPE_CLASS:
7934 case MONO_TYPE_VALUETYPE:
7935 emit_marshal (&m, i, t, mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_MANAGED_CONV_OUT);
7939 else if (invoke_sig->params [i]->attrs & PARAM_ATTRIBUTE_OUT) {
7940 /* The [Out] information is encoded in the delegate signature */
7942 case MONO_TYPE_SZARRAY:
7943 case MONO_TYPE_CLASS:
7944 case MONO_TYPE_VALUETYPE:
7945 emit_marshal (&m, i, invoke_sig->params [i], mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_MANAGED_CONV_OUT);
7948 g_assert_not_reached ();
7954 mono_mb_emit_ldloc (mb, m.retobj_var);
7955 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
7956 mono_mb_emit_op (mb, CEE_MONO_RETOBJ, m.retobj_class);
7959 if (!MONO_TYPE_IS_VOID(sig->ret))
7960 mono_mb_emit_ldloc (mb, 3);
7961 mono_mb_emit_byte (mb, CEE_RET);
7965 res = mono_mb_create_and_cache (cache, method,
7966 mb, csig, sig->param_count + 16);
7969 res = mono_mb_create_method (mb, csig, sig->param_count + 16);
7973 for (i = mono_method_signature (invoke)->param_count; i >= 0; i--)
7975 mono_metadata_free_marshal_spec (mspecs [i]);
7978 /* 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)); */
7983 static MonoReflectionType *
7984 type_from_handle (MonoType *handle)
7986 MonoDomain *domain = mono_domain_get ();
7987 MonoClass *klass = mono_class_from_mono_type (handle);
7989 MONO_ARCH_SAVE_REGS;
7991 mono_class_init (klass);
7992 return mono_type_get_object (domain, handle);
7996 * mono_marshal_get_isinst:
7997 * @klass: the type of the field
7999 * This method generates a function which can be used to check if an object is
8000 * an instance of the given type, icluding the case where the object is a proxy.
8001 * The generated function has the following signature:
8002 * MonoObject* __isinst_wrapper_ (MonoObject *obj)
8005 mono_marshal_get_isinst (MonoClass *klass)
8007 static MonoMethodSignature *isint_sig = NULL;
8010 int pos_was_ok, pos_failed, pos_end, pos_end2;
8012 MonoMethodBuilder *mb;
8014 cache = klass->image->isinst_cache;
8015 if ((res = mono_marshal_find_in_cache (cache, klass)))
8019 isint_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
8020 isint_sig->params [0] = &mono_defaults.object_class->byval_arg;
8021 isint_sig->ret = &mono_defaults.object_class->byval_arg;
8022 isint_sig->pinvoke = 0;
8025 name = g_strdup_printf ("__isinst_wrapper_%s", klass->name);
8026 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_ISINST);
8029 mb->method->save_lmf = 1;
8031 /* check if the object is a proxy that needs special cast */
8032 mono_mb_emit_ldarg (mb, 0);
8033 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
8034 mono_mb_emit_op (mb, CEE_MONO_CISINST, klass);
8036 /* The result of MONO_ISINST can be:
8037 0) the type check succeeded
8038 1) the type check did not succeed
8039 2) a CanCastTo call is needed */
8041 mono_mb_emit_byte (mb, CEE_DUP);
8042 pos_was_ok = mono_mb_emit_branch (mb, CEE_BRFALSE);
8044 mono_mb_emit_byte (mb, CEE_LDC_I4_2);
8045 pos_failed = mono_mb_emit_branch (mb, CEE_BNE_UN);
8047 /* get the real proxy from the transparent proxy*/
8049 mono_mb_emit_ldarg (mb, 0);
8050 mono_mb_emit_managed_call (mb, mono_marshal_get_proxy_cancast (klass), NULL);
8051 pos_end = mono_mb_emit_branch (mb, CEE_BR);
8055 mono_mb_patch_addr (mb, pos_failed, mb->pos - (pos_failed + 4));
8056 mono_mb_emit_byte (mb, CEE_LDNULL);
8057 pos_end2 = mono_mb_emit_branch (mb, CEE_BR);
8061 mono_mb_patch_addr (mb, pos_was_ok, mb->pos - (pos_was_ok + 4));
8062 mono_mb_emit_byte (mb, CEE_POP);
8063 mono_mb_emit_ldarg (mb, 0);
8067 mono_mb_patch_addr (mb, pos_end, mb->pos - (pos_end + 4));
8068 mono_mb_patch_addr (mb, pos_end2, mb->pos - (pos_end2 + 4));
8069 mono_mb_emit_byte (mb, CEE_RET);
8071 res = mono_mb_create_and_cache (cache, klass, mb, isint_sig, isint_sig->param_count + 16);
8078 * mono_marshal_get_castclass:
8079 * @klass: the type of the field
8081 * This method generates a function which can be used to cast an object to
8082 * an instance of the given type, icluding the case where the object is a proxy.
8083 * The generated function has the following signature:
8084 * MonoObject* __castclass_wrapper_ (MonoObject *obj)
8087 mono_marshal_get_castclass (MonoClass *klass)
8089 static MonoMethodSignature *castclass_sig = NULL;
8092 int pos_was_ok, pos_was_ok2;
8094 MonoMethodBuilder *mb;
8096 cache = klass->image->castclass_cache;
8097 if ((res = mono_marshal_find_in_cache (cache, klass)))
8100 if (!castclass_sig) {
8101 castclass_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
8102 castclass_sig->params [0] = &mono_defaults.object_class->byval_arg;
8103 castclass_sig->ret = &mono_defaults.object_class->byval_arg;
8104 castclass_sig->pinvoke = 0;
8107 name = g_strdup_printf ("__castclass_wrapper_%s", klass->name);
8108 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_CASTCLASS);
8111 mb->method->save_lmf = 1;
8113 /* check if the object is a proxy that needs special cast */
8114 mono_mb_emit_ldarg (mb, 0);
8115 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
8116 mono_mb_emit_op (mb, CEE_MONO_CCASTCLASS, klass);
8118 /* The result of MONO_ISINST can be:
8119 0) the cast is valid
8120 1) cast of unknown proxy type
8121 or an exception if the cast is is invalid
8124 pos_was_ok = mono_mb_emit_branch (mb, CEE_BRFALSE);
8126 /* get the real proxy from the transparent proxy*/
8128 mono_mb_emit_ldarg (mb, 0);
8129 mono_mb_emit_managed_call (mb, mono_marshal_get_proxy_cancast (klass), NULL);
8130 pos_was_ok2 = mono_mb_emit_branch (mb, CEE_BRTRUE);
8133 mono_mb_emit_exception (mb, "InvalidCastException", NULL);
8136 mono_mb_patch_addr (mb, pos_was_ok, mb->pos - (pos_was_ok + 4));
8137 mono_mb_patch_addr (mb, pos_was_ok2, mb->pos - (pos_was_ok2 + 4));
8138 mono_mb_emit_ldarg (mb, 0);
8141 mono_mb_emit_byte (mb, CEE_RET);
8143 res = mono_mb_create_and_cache (cache, klass, mb, castclass_sig, castclass_sig->param_count + 16);
8150 mono_marshal_get_proxy_cancast (MonoClass *klass)
8152 static MonoMethodSignature *isint_sig = NULL;
8155 int pos_failed, pos_end;
8157 MonoMethod *can_cast_to;
8158 MonoMethodDesc *desc;
8159 MonoMethodBuilder *mb;
8161 cache = klass->image->proxy_isinst_cache;
8162 if ((res = mono_marshal_find_in_cache (cache, klass)))
8166 isint_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
8167 isint_sig->params [0] = &mono_defaults.object_class->byval_arg;
8168 isint_sig->ret = &mono_defaults.object_class->byval_arg;
8169 isint_sig->pinvoke = 0;
8172 name = g_strdup_printf ("__proxy_isinst_wrapper_%s", klass->name);
8173 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_PROXY_ISINST);
8176 mb->method->save_lmf = 1;
8178 /* get the real proxy from the transparent proxy*/
8179 mono_mb_emit_ldarg (mb, 0);
8180 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
8181 mono_mb_emit_byte (mb, CEE_LDIND_REF);
8183 /* get the reflection type from the type handle */
8184 mono_mb_emit_ptr (mb, &klass->byval_arg);
8185 mono_mb_emit_icall (mb, type_from_handle);
8187 mono_mb_emit_ldarg (mb, 0);
8189 /* make the call to CanCastTo (type, ob) */
8190 desc = mono_method_desc_new ("IRemotingTypeInfo:CanCastTo", FALSE);
8191 can_cast_to = mono_method_desc_search_in_class (desc, mono_defaults.iremotingtypeinfo_class);
8192 g_assert (can_cast_to);
8193 mono_method_desc_free (desc);
8194 mono_mb_emit_op (mb, CEE_CALLVIRT, can_cast_to);
8196 pos_failed = mono_mb_emit_branch (mb, CEE_BRFALSE);
8198 /* Upgrade the proxy vtable by calling: mono_upgrade_remote_class_wrapper (type, ob)*/
8199 mono_mb_emit_ptr (mb, &klass->byval_arg);
8200 mono_mb_emit_icall (mb, type_from_handle);
8201 mono_mb_emit_ldarg (mb, 0);
8203 mono_mb_emit_icall (mb, mono_upgrade_remote_class_wrapper);
8204 emit_thread_interrupt_checkpoint (mb);
8206 mono_mb_emit_ldarg (mb, 0);
8207 pos_end = mono_mb_emit_branch (mb, CEE_BR);
8211 mono_mb_patch_addr (mb, pos_failed, mb->pos - (pos_failed + 4));
8212 mono_mb_emit_byte (mb, CEE_LDNULL);
8216 mono_mb_patch_addr (mb, pos_end, mb->pos - (pos_end + 4));
8217 mono_mb_emit_byte (mb, CEE_RET);
8219 res = mono_mb_create_and_cache (cache, klass, mb, isint_sig, isint_sig->param_count + 16);
8226 mono_upgrade_remote_class_wrapper (MonoReflectionType *rtype, MonoTransparentProxy *tproxy)
8229 MonoDomain *domain = ((MonoObject*)tproxy)->vtable->domain;
8230 klass = mono_class_from_mono_type (rtype->type);
8231 mono_upgrade_remote_class (domain, (MonoObject*)tproxy, klass);
8235 * mono_marshal_get_struct_to_ptr:
8238 * generates IL code for StructureToPtr (object structure, IntPtr ptr, bool fDeleteOld)
8241 mono_marshal_get_struct_to_ptr (MonoClass *klass)
8243 MonoMethodBuilder *mb;
8244 static MonoMethod *stoptr = NULL;
8247 g_assert (klass != NULL);
8249 mono_marshal_load_type_info (klass);
8251 if (klass->marshal_info->str_to_ptr)
8252 return klass->marshal_info->str_to_ptr;
8255 stoptr = mono_class_get_method_from_name (mono_defaults.marshal_class, "StructureToPtr", 3);
8258 mb = mono_mb_new (klass, stoptr->name, MONO_WRAPPER_UNKNOWN);
8260 if (klass->blittable) {
8261 mono_mb_emit_byte (mb, CEE_LDARG_1);
8262 mono_mb_emit_byte (mb, CEE_LDARG_0);
8263 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
8264 mono_mb_emit_icon (mb, mono_class_value_size (klass, NULL));
8265 mono_mb_emit_byte (mb, CEE_PREFIX1);
8266 mono_mb_emit_byte (mb, CEE_CPBLK);
8269 /* allocate local 0 (pointer) src_ptr */
8270 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8271 /* allocate local 1 (pointer) dst_ptr */
8272 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8273 /* allocate local 2 (boolean) delete_old */
8274 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
8275 mono_mb_emit_byte (mb, CEE_LDARG_2);
8276 mono_mb_emit_stloc (mb, 2);
8278 /* initialize src_ptr to point to the start of object data */
8279 mono_mb_emit_byte (mb, CEE_LDARG_0);
8280 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
8281 mono_mb_emit_stloc (mb, 0);
8283 /* initialize dst_ptr */
8284 mono_mb_emit_byte (mb, CEE_LDARG_1);
8285 mono_mb_emit_stloc (mb, 1);
8287 emit_struct_conv (mb, klass, FALSE);
8290 mono_mb_emit_byte (mb, CEE_RET);
8292 res = mono_mb_create_method (mb, mono_method_signature (stoptr), 0);
8295 klass->marshal_info->str_to_ptr = res;
8300 * mono_marshal_get_ptr_to_struct:
8303 * generates IL code for PtrToStructure (IntPtr src, object structure)
8306 mono_marshal_get_ptr_to_struct (MonoClass *klass)
8308 MonoMethodBuilder *mb;
8309 static MonoMethodSignature *ptostr = NULL;
8312 g_assert (klass != NULL);
8314 mono_marshal_load_type_info (klass);
8316 if (klass->marshal_info->ptr_to_str)
8317 return klass->marshal_info->ptr_to_str;
8320 /* Create the signature corresponding to
8321 static void PtrToStructure (IntPtr ptr, object structure);
8322 defined in class/corlib/System.Runtime.InteropServices/Marshal.cs */
8323 ptostr = mono_create_icall_signature ("void ptr object");
8325 mb = mono_mb_new (klass, "PtrToStructure", MONO_WRAPPER_UNKNOWN);
8327 if (klass->blittable) {
8328 mono_mb_emit_byte (mb, CEE_LDARG_1);
8329 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
8330 mono_mb_emit_byte (mb, CEE_LDARG_0);
8331 mono_mb_emit_icon (mb, mono_class_value_size (klass, NULL));
8332 mono_mb_emit_byte (mb, CEE_PREFIX1);
8333 mono_mb_emit_byte (mb, CEE_CPBLK);
8336 /* allocate local 0 (pointer) src_ptr */
8337 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8338 /* allocate local 1 (pointer) dst_ptr */
8339 mono_mb_add_local (mb, &klass->this_arg);
8341 /* initialize src_ptr to point to the start of object data */
8342 mono_mb_emit_byte (mb, CEE_LDARG_0);
8343 mono_mb_emit_stloc (mb, 0);
8345 /* initialize dst_ptr */
8346 mono_mb_emit_byte (mb, CEE_LDARG_1);
8347 mono_mb_emit_op (mb, CEE_UNBOX, klass);
8348 mono_mb_emit_stloc (mb, 1);
8350 emit_struct_conv (mb, klass, TRUE);
8353 mono_mb_emit_byte (mb, CEE_RET);
8355 res = mono_mb_create_method (mb, ptostr, 0);
8358 klass->marshal_info->ptr_to_str = res;
8363 * generates IL code for the synchronized wrapper: the generated method
8364 * calls METHOD while locking 'this' or the parent type.
8367 mono_marshal_get_synchronized_wrapper (MonoMethod *method)
8369 static MonoMethod *enter_method, *exit_method;
8370 MonoMethodSignature *sig;
8371 MonoExceptionClause *clause;
8372 MonoMethodHeader *header;
8373 MonoMethodBuilder *mb;
8376 int i, pos, this_local, ret_local = 0;
8380 if (method->wrapper_type == MONO_WRAPPER_SYNCHRONIZED)
8383 cache = method->klass->image->synchronized_cache;
8384 if ((res = mono_marshal_find_in_cache (cache, method)))
8387 sig = signature_dup (method->klass->image, mono_method_signature (method));
8390 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_SYNCHRONIZED);
8393 if (!MONO_TYPE_IS_VOID (sig->ret))
8394 ret_local = mono_mb_add_local (mb, sig->ret);
8397 this_local = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
8399 mono_loader_lock ();
8400 clause = mono_mempool_alloc0 (method->klass->image->mempool, sizeof (MonoExceptionClause));
8401 mono_loader_unlock ();
8402 clause->flags = MONO_EXCEPTION_CLAUSE_FINALLY;
8404 if (!enter_method) {
8405 MonoMethodDesc *desc;
8407 desc = mono_method_desc_new ("Monitor:Enter", FALSE);
8408 enter_method = mono_method_desc_search_in_class (desc, mono_defaults.monitor_class);
8409 g_assert (enter_method);
8410 mono_method_desc_free (desc);
8411 desc = mono_method_desc_new ("Monitor:Exit", FALSE);
8412 exit_method = mono_method_desc_search_in_class (desc, mono_defaults.monitor_class);
8413 g_assert (exit_method);
8414 mono_method_desc_free (desc);
8417 /* Push this or the type object */
8418 if (method->flags & METHOD_ATTRIBUTE_STATIC) {
8420 * GetTypeFromHandle isn't called as a managed method because it has
8421 * a funky calling sequence, e.g. ldtoken+GetTypeFromHandle gets
8422 * transformed into something else by the JIT.
8424 mono_mb_emit_ptr (mb, &method->klass->byval_arg);
8425 mono_mb_emit_icall (mb, type_from_handle);
8428 mono_mb_emit_ldarg (mb, 0);
8429 mono_mb_emit_stloc (mb, this_local);
8431 /* Call Monitor::Enter() */
8432 mono_mb_emit_ldloc (mb, this_local);
8433 mono_mb_emit_managed_call (mb, enter_method, NULL);
8435 clause->try_offset = mb->pos;
8437 /* Call the method */
8439 mono_mb_emit_ldarg (mb, 0);
8440 for (i = 0; i < sig->param_count; i++)
8441 mono_mb_emit_ldarg (mb, i + (sig->hasthis == TRUE));
8443 /* this is needed to avoid recursion */
8444 mono_mb_emit_byte (mb, CEE_PREFIX1);
8445 mono_mb_emit_op (mb, CEE_LDFTN, method);
8446 mono_mb_emit_calli (mb, mono_method_signature (method));
8448 if (!MONO_TYPE_IS_VOID (sig->ret))
8449 mono_mb_emit_stloc (mb, ret_local);
8451 pos = mono_mb_emit_branch (mb, CEE_LEAVE);
8453 clause->try_len = mb->pos - clause->try_offset;
8454 clause->handler_offset = mb->pos;
8456 /* Call Monitor::Exit() */
8457 mono_mb_emit_ldloc (mb, this_local);
8458 /* mono_mb_emit_native_call (mb, exit_sig, mono_monitor_exit); */
8459 mono_mb_emit_managed_call (mb, exit_method, NULL);
8460 mono_mb_emit_byte (mb, CEE_ENDFINALLY);
8462 clause->handler_len = mb->pos - clause->handler_offset;
8464 mono_mb_patch_branch (mb, pos);
8465 if (!MONO_TYPE_IS_VOID (sig->ret))
8466 mono_mb_emit_ldloc (mb, ret_local);
8467 mono_mb_emit_byte (mb, CEE_RET);
8469 res = mono_mb_create_and_cache (cache, method,
8470 mb, sig, sig->param_count + 16);
8473 header = ((MonoMethodNormal *)res)->header;
8474 header->num_clauses = 1;
8475 header->clauses = clause;
8482 * the returned method calls 'method' unboxing the this argument
8485 mono_marshal_get_unbox_wrapper (MonoMethod *method)
8487 MonoMethodSignature *sig = mono_method_signature (method);
8489 MonoMethodBuilder *mb;
8493 cache = method->klass->image->unbox_wrapper_cache;
8494 if ((res = mono_marshal_find_in_cache (cache, method)))
8497 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_UNBOX);
8499 g_assert (sig->hasthis);
8501 mono_mb_emit_ldarg (mb, 0);
8502 mono_mb_emit_icon (mb, sizeof (MonoObject));
8503 mono_mb_emit_byte (mb, CEE_ADD);
8504 for (i = 0; i < sig->param_count; ++i)
8505 mono_mb_emit_ldarg (mb, i + 1);
8506 mono_mb_emit_managed_call (mb, method, NULL);
8507 mono_mb_emit_byte (mb, CEE_RET);
8509 res = mono_mb_create_and_cache (cache, method,
8510 mb, sig, sig->param_count + 16);
8513 /* 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)); */
8519 mono_marshal_get_stelemref ()
8521 static MonoMethod* ret = NULL;
8522 MonoMethodSignature *sig;
8523 MonoMethodBuilder *mb;
8525 guint32 b1, b2, b3, b4;
8528 int array_slot_addr;
8533 mb = mono_mb_new (mono_defaults.object_class, "stelemref", MONO_WRAPPER_STELEMREF);
8536 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
8538 /* void stelemref (void* array, int idx, void* value) */
8539 sig->ret = &mono_defaults.void_class->byval_arg;
8540 sig->params [0] = &mono_defaults.object_class->byval_arg;
8541 sig->params [1] = &mono_defaults.int_class->byval_arg; /* this is a natural sized int */
8542 sig->params [2] = &mono_defaults.object_class->byval_arg;
8544 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8545 vklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8546 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
8550 <ldelema (bound check)>
8554 aklass = array->vtable->klass->element_class;
8555 vklass = value->vtable->klass;
8557 if (vklass->idepth < aklass->idepth)
8560 if (vklass->supertypes [aklass->idepth - 1] != aklass)
8564 *array_slot_addr = value;
8568 if (mono_object_isinst (value, aklass))
8571 throw new ArrayTypeMismatchException ();
8574 /* ldelema (implicit bound check) */
8575 mono_mb_emit_ldarg (mb, 0);
8576 mono_mb_emit_ldarg (mb, 1);
8577 mono_mb_emit_op (mb, CEE_LDELEMA, mono_defaults.object_class);
8578 mono_mb_emit_stloc (mb, array_slot_addr);
8580 /* if (!value) goto do_store */
8581 mono_mb_emit_ldarg (mb, 2);
8582 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
8584 /* aklass = array->vtable->klass->element_class */
8585 mono_mb_emit_ldarg (mb, 0);
8586 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
8587 mono_mb_emit_byte (mb, CEE_LDIND_I);
8588 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, klass));
8589 mono_mb_emit_byte (mb, CEE_LDIND_I);
8590 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, element_class));
8591 mono_mb_emit_byte (mb, CEE_LDIND_I);
8592 mono_mb_emit_stloc (mb, aklass);
8594 /* vklass = value->vtable->klass */
8595 mono_mb_emit_ldarg (mb, 2);
8596 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
8597 mono_mb_emit_byte (mb, CEE_LDIND_I);
8598 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, klass));
8599 mono_mb_emit_byte (mb, CEE_LDIND_I);
8600 mono_mb_emit_stloc (mb, vklass);
8602 /* if (vklass->idepth < aklass->idepth) goto failue */
8603 mono_mb_emit_ldloc (mb, vklass);
8604 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
8605 mono_mb_emit_byte (mb, CEE_LDIND_U2);
8607 mono_mb_emit_ldloc (mb, aklass);
8608 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
8609 mono_mb_emit_byte (mb, CEE_LDIND_U2);
8611 b2 = mono_mb_emit_branch (mb, CEE_BLT_UN);
8613 /* if (vklass->supertypes [aklass->idepth - 1] != aklass) goto failure */
8614 mono_mb_emit_ldloc (mb, vklass);
8615 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, supertypes));
8616 mono_mb_emit_byte (mb, CEE_LDIND_I);
8618 mono_mb_emit_ldloc (mb, aklass);
8619 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
8620 mono_mb_emit_byte (mb, CEE_LDIND_U2);
8621 mono_mb_emit_icon (mb, 1);
8622 mono_mb_emit_byte (mb, CEE_SUB);
8623 mono_mb_emit_icon (mb, sizeof (void*));
8624 mono_mb_emit_byte (mb, CEE_MUL);
8625 mono_mb_emit_byte (mb, CEE_ADD);
8626 mono_mb_emit_byte (mb, CEE_LDIND_I);
8628 mono_mb_emit_ldloc (mb, aklass);
8630 b3 = mono_mb_emit_branch (mb, CEE_BNE_UN);
8634 mono_mb_patch_branch (mb, b1);
8635 mono_mb_emit_ldloc (mb, array_slot_addr);
8636 mono_mb_emit_ldarg (mb, 2);
8637 mono_mb_emit_byte (mb, CEE_STIND_REF);
8639 mono_mb_emit_byte (mb, CEE_RET);
8642 mono_mb_patch_branch (mb, b2);
8643 mono_mb_patch_branch (mb, b3);
8645 mono_mb_emit_ldarg (mb, 2);
8646 mono_mb_emit_ldloc (mb, aklass);
8647 mono_mb_emit_icall (mb, mono_object_isinst);
8649 b4 = mono_mb_emit_branch (mb, CEE_BRTRUE);
8650 mono_mb_patch_addr (mb, b4, copy_pos - (b4 + 4));
8651 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
8653 mono_mb_emit_byte (mb, CEE_RET);
8654 ret = mono_mb_create_method (mb, sig, 4);
8660 mono_marshal_get_write_barrier (void)
8662 static MonoMethod* ret = NULL;
8663 MonoMethodSignature *sig;
8664 MonoMethodBuilder *mb;
8670 mb = mono_mb_new (mono_defaults.object_class, "writebarrier", MONO_WRAPPER_WRITE_BARRIER);
8672 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 2);
8674 /* void writebarrier (MonoObject** addr, MonoObject* obj) */
8675 sig->ret = &mono_defaults.void_class->byval_arg;
8676 sig->params [0] = &mono_defaults.object_class->this_arg;
8677 sig->params [1] = &mono_defaults.object_class->byval_arg;
8679 /* just the store right now: add an hook for the GC to use, maybe something
8680 * that can be used for stelemref as well
8681 * We need a write barrier variant to be used with struct copies as well, though
8682 * there are also other approaches possible, like writing a wrapper specific to
8683 * the struct or to the reference pattern in the struct...
8684 * Depending on the GC, we may want variants that take the object we store to
8685 * when it is available.
8687 mono_mb_emit_ldarg (mb, 0);
8688 mono_mb_emit_ldarg (mb, 1);
8689 mono_mb_emit_icall (mb, mono_gc_wbarrier_generic_store);
8690 /*mono_mb_emit_byte (mb, CEE_STIND_REF);*/
8692 mono_mb_emit_byte (mb, CEE_RET);
8694 ret = mono_mb_create_method (mb, sig, max_stack);
8700 mono_marshal_alloc (gulong size)
8704 #ifdef PLATFORM_WIN32
8705 res = CoTaskMemAlloc (size);
8707 res = g_try_malloc ((gulong)size);
8709 mono_gc_out_of_memory ((gulong)size);
8715 mono_marshal_free (gpointer ptr)
8717 #ifdef PLATFORM_WIN32
8718 CoTaskMemFree (ptr);
8725 mono_marshal_free_array (gpointer *ptr, int size)
8732 for (i = 0; i < size; i++)
8738 mono_marshal_realloc (gpointer ptr, gpointer size)
8740 MONO_ARCH_SAVE_REGS;
8742 return g_try_realloc (ptr, (gulong)size);
8746 mono_marshal_string_to_utf16 (MonoString *s)
8748 return s ? mono_string_chars (s) : NULL;
8752 * mono_marshal_set_last_error:
8754 * This function is invoked to set the last error value from a P/Invoke call
8755 * which has SetLastError set.
8758 mono_marshal_set_last_error (void)
8761 TlsSetValue (last_error_tls_id, GINT_TO_POINTER (GetLastError ()));
8763 TlsSetValue (last_error_tls_id, GINT_TO_POINTER (errno));
8768 mono_marshal_set_last_error_windows (int error)
8771 TlsSetValue (last_error_tls_id, GINT_TO_POINTER (error));
8776 ves_icall_System_Runtime_InteropServices_Marshal_copy_to_unmanaged (MonoArray *src, gint32 start_index,
8777 gpointer dest, gint32 length)
8782 MONO_ARCH_SAVE_REGS;
8784 MONO_CHECK_ARG_NULL (src);
8785 MONO_CHECK_ARG_NULL (dest);
8787 g_assert (src->obj.vtable->klass->rank == 1);
8788 g_assert (start_index >= 0);
8789 g_assert (length >= 0);
8790 g_assert (start_index + length <= mono_array_length (src));
8792 element_size = mono_array_element_size (src->obj.vtable->klass);
8794 /* no references should be involved */
8795 source_addr = mono_array_addr_with_size (src, element_size, start_index);
8797 memcpy (dest, source_addr, length * element_size);
8801 ves_icall_System_Runtime_InteropServices_Marshal_copy_from_unmanaged (gpointer src, gint32 start_index,
8802 MonoArray *dest, gint32 length)
8807 MONO_ARCH_SAVE_REGS;
8809 MONO_CHECK_ARG_NULL (src);
8810 MONO_CHECK_ARG_NULL (dest);
8812 g_assert (dest->obj.vtable->klass->rank == 1);
8813 g_assert (start_index >= 0);
8814 g_assert (length >= 0);
8815 g_assert (start_index + length <= mono_array_length (dest));
8817 element_size = mono_array_element_size (dest->obj.vtable->klass);
8819 /* no references should be involved */
8820 dest_addr = mono_array_addr_with_size (dest, element_size, start_index);
8822 memcpy (dest_addr, src, length * element_size);
8825 #if NO_UNALIGNED_ACCESS
8826 #define RETURN_UNALIGNED(type, addr) \
8829 memcpy(&val, p + offset, sizeof(val)); \
8832 #define WRITE_UNALIGNED(type, addr, val) \
8833 memcpy(addr, &val, sizeof(type))
8835 #define RETURN_UNALIGNED(type, addr) \
8836 return *(type*)(p + offset);
8837 #define WRITE_UNALIGNED(type, addr, val) \
8838 (*(type *)(addr) = (val))
8842 ves_icall_System_Runtime_InteropServices_Marshal_ReadIntPtr (gpointer ptr, gint32 offset)
8846 MONO_ARCH_SAVE_REGS;
8848 RETURN_UNALIGNED(gpointer, p + offset);
8852 ves_icall_System_Runtime_InteropServices_Marshal_ReadByte (gpointer ptr, gint32 offset)
8856 MONO_ARCH_SAVE_REGS;
8858 return *(unsigned char*)(p + offset);
8862 ves_icall_System_Runtime_InteropServices_Marshal_ReadInt16 (gpointer ptr, gint32 offset)
8866 MONO_ARCH_SAVE_REGS;
8868 RETURN_UNALIGNED(gint16, p + offset);
8872 ves_icall_System_Runtime_InteropServices_Marshal_ReadInt32 (gpointer ptr, gint32 offset)
8876 MONO_ARCH_SAVE_REGS;
8878 RETURN_UNALIGNED(gint32, p + offset);
8882 ves_icall_System_Runtime_InteropServices_Marshal_ReadInt64 (gpointer ptr, gint32 offset)
8886 MONO_ARCH_SAVE_REGS;
8888 RETURN_UNALIGNED(gint64, p + offset);
8892 ves_icall_System_Runtime_InteropServices_Marshal_WriteByte (gpointer ptr, gint32 offset, unsigned char val)
8896 MONO_ARCH_SAVE_REGS;
8898 *(unsigned char*)(p + offset) = val;
8902 ves_icall_System_Runtime_InteropServices_Marshal_WriteIntPtr (gpointer ptr, gint32 offset, gpointer val)
8906 MONO_ARCH_SAVE_REGS;
8908 WRITE_UNALIGNED(gpointer, p + offset, val);
8912 ves_icall_System_Runtime_InteropServices_Marshal_WriteInt16 (gpointer ptr, gint32 offset, gint16 val)
8916 MONO_ARCH_SAVE_REGS;
8918 WRITE_UNALIGNED(gint16, p + offset, val);
8922 ves_icall_System_Runtime_InteropServices_Marshal_WriteInt32 (gpointer ptr, gint32 offset, gint32 val)
8926 MONO_ARCH_SAVE_REGS;
8928 WRITE_UNALIGNED(gint32, p + offset, val);
8932 ves_icall_System_Runtime_InteropServices_Marshal_WriteInt64 (gpointer ptr, gint32 offset, gint64 val)
8936 MONO_ARCH_SAVE_REGS;
8938 WRITE_UNALIGNED(gint64, p + offset, val);
8942 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringAnsi (char *ptr)
8944 MONO_ARCH_SAVE_REGS;
8949 return mono_string_new (mono_domain_get (), ptr);
8953 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringAnsi_len (char *ptr, gint32 len)
8955 MONO_ARCH_SAVE_REGS;
8958 mono_raise_exception (mono_get_exception_argument_null ("ptr"));
8959 g_assert_not_reached ();
8962 return mono_string_new_len (mono_domain_get (), ptr, len);
8966 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringUni (guint16 *ptr)
8968 MonoDomain *domain = mono_domain_get ();
8972 MONO_ARCH_SAVE_REGS;
8980 return mono_string_new_utf16 (domain, ptr, len);
8984 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringUni_len (guint16 *ptr, gint32 len)
8986 MonoDomain *domain = mono_domain_get ();
8988 MONO_ARCH_SAVE_REGS;
8991 mono_raise_exception (mono_get_exception_argument_null ("ptr"));
8992 g_assert_not_reached ();
8995 return mono_string_new_utf16 (domain, ptr, len);
8999 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringBSTR (gpointer ptr)
9001 MONO_ARCH_SAVE_REGS;
9003 return mono_string_from_bstr(ptr);
9007 ves_icall_System_Runtime_InteropServices_Marshal_StringToBSTR (MonoString* ptr)
9009 MONO_ARCH_SAVE_REGS;
9011 return mono_string_to_bstr(ptr);
9014 // STDCALL on windows, CDECL everywhere else to work with XPCOM and MainWin COM
9015 #ifdef PLATFORM_WIN32
9017 #define STDCALL __stdcall
9019 #define STDCALL __attribute__((stdcall))
9027 int (STDCALL *QueryInterface)(gpointer pUnk, gpointer riid, gpointer* ppv);
9028 int (STDCALL *AddRef)(gpointer pUnk);
9029 int (STDCALL *Release)(gpointer pUnk);
9033 ves_icall_System_Runtime_InteropServices_Marshal_FreeBSTR (gpointer ptr)
9035 MONO_ARCH_SAVE_REGS;
9037 mono_free_bstr (ptr);
9041 ves_icall_System_Runtime_InteropServices_Marshal_AddRef (gpointer pUnk)
9043 MONO_ARCH_SAVE_REGS;
9045 return (*(MonoIUnknown**)pUnk)->AddRef(pUnk);
9049 ves_icall_System_Runtime_InteropServices_Marshal_QueryInterface (gpointer pUnk, gpointer riid, gpointer* ppv)
9051 MONO_ARCH_SAVE_REGS;
9053 return (*(MonoIUnknown**)pUnk)->QueryInterface(pUnk, riid, ppv);
9057 ves_icall_System_Runtime_InteropServices_Marshal_Release (gpointer pUnk)
9059 MONO_ARCH_SAVE_REGS;
9061 return (*(MonoIUnknown**)pUnk)->Release(pUnk);
9065 ves_icall_System_Runtime_InteropServices_Marshal_GetComSlotForMethodInfoInternal (MonoReflectionMethod *m)
9067 MONO_ARCH_SAVE_REGS;
9069 return cominterop_get_com_slot_for_method (m->method);
9073 ves_icall_System_Runtime_InteropServices_Marshal_GetLastWin32Error (void)
9075 MONO_ARCH_SAVE_REGS;
9077 return (GPOINTER_TO_INT (TlsGetValue (last_error_tls_id)));
9081 ves_icall_System_Runtime_InteropServices_Marshal_SizeOf (MonoReflectionType *rtype)
9087 MONO_ARCH_SAVE_REGS;
9089 MONO_CHECK_ARG_NULL (rtype);
9092 klass = mono_class_from_mono_type (type);
9093 layout = (klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK);
9095 if (layout == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
9099 msg = g_strdup_printf ("Type %s cannot be marshaled as an unmanaged structure.", klass->name);
9100 exc = mono_get_exception_argument ("t", msg);
9102 mono_raise_exception (exc);
9106 return mono_class_native_size (klass, NULL);
9110 ves_icall_System_Runtime_InteropServices_Marshal_StructureToPtr (MonoObject *obj, gpointer dst, MonoBoolean delete_old)
9115 MONO_ARCH_SAVE_REGS;
9117 MONO_CHECK_ARG_NULL (obj);
9118 MONO_CHECK_ARG_NULL (dst);
9120 method = mono_marshal_get_struct_to_ptr (obj->vtable->klass);
9124 pa [2] = &delete_old;
9126 mono_runtime_invoke (method, NULL, pa, NULL);
9130 ptr_to_structure (gpointer src, MonoObject *dst)
9135 method = mono_marshal_get_ptr_to_struct (dst->vtable->klass);
9140 mono_runtime_invoke (method, NULL, pa, NULL);
9144 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure (gpointer src, MonoObject *dst)
9148 MONO_ARCH_SAVE_REGS;
9150 MONO_CHECK_ARG_NULL (src);
9151 MONO_CHECK_ARG_NULL (dst);
9153 t = mono_type_get_underlying_type (mono_class_get_type (dst->vtable->klass));
9155 if (t->type == MONO_TYPE_VALUETYPE) {
9159 tmp = g_strdup_printf ("Destination is a boxed value type.");
9160 exc = mono_get_exception_argument ("dst", tmp);
9163 mono_raise_exception (exc);
9167 ptr_to_structure (src, dst);
9171 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure_type (gpointer src, MonoReflectionType *type)
9173 MonoDomain *domain = mono_domain_get ();
9176 MONO_ARCH_SAVE_REGS;
9178 MONO_CHECK_ARG_NULL (src);
9179 MONO_CHECK_ARG_NULL (type);
9181 res = mono_object_new (domain, mono_class_from_mono_type (type->type));
9183 ptr_to_structure (src, res);
9189 ves_icall_System_Runtime_InteropServices_Marshal_OffsetOf (MonoReflectionType *type, MonoString *field_name)
9191 MonoMarshalType *info;
9194 int match_index = -1;
9196 MONO_ARCH_SAVE_REGS;
9198 MONO_CHECK_ARG_NULL (type);
9199 MONO_CHECK_ARG_NULL (field_name);
9201 fname = mono_string_to_utf8 (field_name);
9202 klass = mono_class_from_mono_type (type->type);
9204 while (klass && match_index == -1) {
9205 MonoClassField* field;
9207 gpointer iter = NULL;
9208 while ((field = mono_class_get_fields (klass, &iter))) {
9209 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
9211 if (!strcmp (fname, field->name)) {
9218 if (match_index == -1)
9219 klass = klass->parent;
9224 if(match_index == -1) {
9228 /* Get back original class instance */
9229 klass = mono_class_from_mono_type (type->type);
9231 tmp = g_strdup_printf ("Field passed in is not a marshaled member of the type %s", klass->name);
9232 exc = mono_get_exception_argument ("fieldName", tmp);
9235 mono_raise_exception ((MonoException*)exc);
9238 info = mono_marshal_load_type_info (klass);
9239 return info->fields [match_index].offset;
9243 ves_icall_System_Runtime_InteropServices_Marshal_StringToHGlobalAnsi (MonoString *string)
9245 MONO_ARCH_SAVE_REGS;
9247 return mono_string_to_utf8 (string);
9251 ves_icall_System_Runtime_InteropServices_Marshal_StringToHGlobalUni (MonoString *string)
9253 MONO_ARCH_SAVE_REGS;
9258 gunichar2 *res = g_malloc ((mono_string_length (string) + 1) * 2);
9259 memcpy (res, mono_string_chars (string), mono_string_length (string) * 2);
9260 res [mono_string_length (string)] = 0;
9266 mono_struct_delete_old (MonoClass *klass, char *ptr)
9268 MonoMarshalType *info;
9271 info = mono_marshal_load_type_info (klass);
9273 for (i = 0; i < info->num_fields; i++) {
9274 MonoMarshalNative ntype;
9275 MonoMarshalConv conv;
9276 MonoType *ftype = info->fields [i].field->type;
9279 if (ftype->attrs & FIELD_ATTRIBUTE_STATIC)
9282 ntype = mono_type_to_unmanaged (ftype, info->fields [i].mspec, TRUE,
9283 klass->unicode, &conv);
9285 cpos = ptr + info->fields [i].offset;
9288 case MONO_MARSHAL_CONV_NONE:
9289 if (MONO_TYPE_ISSTRUCT (ftype)) {
9290 mono_struct_delete_old (ftype->data.klass, cpos);
9294 case MONO_MARSHAL_CONV_STR_LPWSTR:
9295 /* We assume this field points inside a MonoString */
9297 case MONO_MARSHAL_CONV_STR_LPSTR:
9298 case MONO_MARSHAL_CONV_STR_LPTSTR:
9299 case MONO_MARSHAL_CONV_STR_BSTR:
9300 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
9301 case MONO_MARSHAL_CONV_STR_TBSTR:
9302 mono_marshal_free (*(gpointer *)cpos);
9311 ves_icall_System_Runtime_InteropServices_Marshal_DestroyStructure (gpointer src, MonoReflectionType *type)
9315 MONO_ARCH_SAVE_REGS;
9317 MONO_CHECK_ARG_NULL (src);
9318 MONO_CHECK_ARG_NULL (type);
9320 klass = mono_class_from_mono_type (type->type);
9322 mono_struct_delete_old (klass, (char *)src);
9326 /* FIXME: on win32 we should probably use GlobalAlloc(). */
9328 ves_icall_System_Runtime_InteropServices_Marshal_AllocHGlobal (int size)
9332 MONO_ARCH_SAVE_REGS;
9334 if ((gulong)size == 0)
9335 /* This returns a valid pointer for size 0 on MS.NET */
9338 res = g_try_malloc ((gulong)size);
9340 mono_gc_out_of_memory ((gulong)size);
9346 ves_icall_System_Runtime_InteropServices_Marshal_FreeHGlobal (void *ptr)
9348 MONO_ARCH_SAVE_REGS;
9354 ves_icall_System_Runtime_InteropServices_Marshal_AllocCoTaskMem (int size)
9356 MONO_ARCH_SAVE_REGS;
9358 #ifdef PLATFORM_WIN32
9359 return CoTaskMemAlloc (size);
9361 return g_try_malloc ((gulong)size);
9366 ves_icall_System_Runtime_InteropServices_Marshal_FreeCoTaskMem (void *ptr)
9368 MONO_ARCH_SAVE_REGS;
9370 #ifdef PLATFORM_WIN32
9371 CoTaskMemFree (ptr);
9378 ves_icall_System_Runtime_InteropServices_Marshal_UnsafeAddrOfPinnedArrayElement (MonoArray *arrayobj, int index)
9380 return mono_array_addr_with_size (arrayobj, mono_array_element_size (arrayobj->obj.vtable->klass), index);
9384 ves_icall_System_Runtime_InteropServices_Marshal_GetDelegateForFunctionPointerInternal (void *ftn, MonoReflectionType *type)
9386 return mono_ftnptr_to_delegate (mono_type_get_class (type->type), ftn);
9389 /* Only used for COM RCWs */
9391 ves_icall_System_ComObject_CreateRCW (MonoReflectionType *type)
9397 MONO_ARCH_SAVE_REGS;
9399 domain = mono_object_domain (type);
9400 klass = mono_class_from_mono_type (type->type);
9402 /* call mono_object_new_alloc_specific instead of mono_object_new
9403 * because we want to actually create object. mono_object_new checks
9404 * to see if type is import and creates transparent proxy. this method
9405 * is called by the corresponding real proxy to create the real RCW.
9406 * Constructor does not need to be called. Will be called later.
9408 obj = mono_object_new_alloc_specific (mono_class_vtable (domain, klass));
9413 cominterop_finalizer (gpointer key, gpointer value, gpointer user_data)
9415 ves_icall_System_Runtime_InteropServices_Marshal_Release (value);
9420 ves_icall_System_ComObject_Finalizer(MonoComObject* obj)
9424 g_hash_table_foreach_remove (obj->itf_hash, cominterop_finalizer, NULL);
9425 obj->itf_hash = NULL;
9428 #define MONO_IUNKNOWN_INTERFACE_SLOT 0
9431 ves_icall_System_ComObject_FindInterface (MonoComObject* obj, MonoReflectionType* type)
9435 g_assert(obj->itf_hash);
9437 klass = mono_class_from_mono_type (type->type);
9439 return g_hash_table_lookup (obj->itf_hash, GUINT_TO_POINTER ((guint)klass->interface_id));
9443 ves_icall_System_ComObject_CacheInterface (MonoComObject* obj, MonoReflectionType* type, gpointer pItf)
9447 g_assert(obj->itf_hash);
9449 klass = mono_class_from_mono_type (type->type);
9451 g_hash_table_insert (obj->itf_hash, GUINT_TO_POINTER ((guint)klass->interface_id), pItf);
9455 ves_icall_System_ComObject_GetIUnknown (MonoComObject* obj)
9460 return g_hash_table_lookup (obj->itf_hash, MONO_IUNKNOWN_INTERFACE_SLOT);
9464 ves_icall_System_ComObject_SetIUnknown (MonoComObject* obj, gpointer pUnk)
9467 g_assert(!obj->itf_hash);
9468 obj->itf_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
9469 g_hash_table_insert (obj->itf_hash, MONO_IUNKNOWN_INTERFACE_SLOT, pUnk);
9473 * mono_marshal_is_loading_type_info:
9475 * Return whenever mono_marshal_load_type_info () is being executed for KLASS by this
9479 mono_marshal_is_loading_type_info (MonoClass *klass)
9481 GSList *loads_list = TlsGetValue (load_type_info_tls_id);
9483 return g_slist_find (loads_list, klass) != NULL;
9487 * mono_marshal_load_type_info:
9489 * Initialize klass->marshal_info using information from metadata. This function can
9490 * recursively call itself, and the caller is responsible to avoid that by calling
9491 * mono_marshal_is_loading_type_info () beforehand.
9493 * LOCKING: Acquires the loader lock.
9496 mono_marshal_load_type_info (MonoClass* klass)
9499 guint32 native_size = 0, min_align = 1;
9500 MonoMarshalType *info;
9501 MonoClassField* field;
9506 g_assert (klass != NULL);
9508 if (klass->marshal_info)
9509 return klass->marshal_info;
9512 mono_class_init (klass);
9514 mono_loader_lock ();
9516 if (klass->marshal_info) {
9517 mono_loader_unlock ();
9518 return klass->marshal_info;
9522 * This function can recursively call itself, so we keep the list of classes which are
9523 * under initialization in a TLS list.
9525 g_assert (!mono_marshal_is_loading_type_info (klass));
9526 loads_list = TlsGetValue (load_type_info_tls_id);
9527 loads_list = g_slist_prepend (loads_list, klass);
9528 TlsSetValue (load_type_info_tls_id, loads_list);
9531 while ((field = mono_class_get_fields (klass, &iter))) {
9532 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
9534 if (mono_field_is_deleted (field))
9539 layout = klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK;
9541 /* The mempool is protected by the loader lock */
9542 info = mono_mempool_alloc0 (klass->image->mempool, sizeof (MonoMarshalType) + sizeof (MonoMarshalField) * count);
9543 info->num_fields = count;
9545 /* Try to find a size for this type in metadata */
9546 mono_metadata_packing_from_typedef (klass->image, klass->type_token, NULL, &native_size);
9548 if (klass->parent) {
9549 int parent_size = mono_class_native_size (klass->parent, NULL);
9551 /* Add parent size to real size */
9552 native_size += parent_size;
9553 info->native_size = parent_size;
9558 while ((field = mono_class_get_fields (klass, &iter))) {
9562 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
9565 if (mono_field_is_deleted (field))
9567 if (field->type->attrs & FIELD_ATTRIBUTE_HAS_FIELD_MARSHAL)
9568 mono_metadata_field_info (klass->image, mono_metadata_token_index (mono_class_get_field_token (field)) - 1,
9569 NULL, NULL, &info->fields [j].mspec);
9571 info->fields [j].field = field;
9573 if ((mono_class_num_fields (klass) == 1) && (klass->instance_size == sizeof (MonoObject)) &&
9574 (strcmp (field->name, "$PRIVATE$") == 0)) {
9575 /* This field is a hack inserted by MCS to empty structures */
9580 case TYPE_ATTRIBUTE_AUTO_LAYOUT:
9581 case TYPE_ATTRIBUTE_SEQUENTIAL_LAYOUT:
9582 size = mono_marshal_type_size (field->type, info->fields [j].mspec,
9583 &align, TRUE, klass->unicode);
9584 align = klass->packing_size ? MIN (klass->packing_size, align): align;
9585 min_align = MAX (align, min_align);
9586 info->fields [j].offset = info->native_size;
9587 info->fields [j].offset += align - 1;
9588 info->fields [j].offset &= ~(align - 1);
9589 info->native_size = info->fields [j].offset + size;
9591 case TYPE_ATTRIBUTE_EXPLICIT_LAYOUT:
9592 size = mono_marshal_type_size (field->type, info->fields [j].mspec,
9593 &align, TRUE, klass->unicode);
9594 align = klass->packing_size ? MIN (klass->packing_size, align): align;
9595 min_align = MAX (align, min_align);
9596 info->fields [j].offset = field->offset - sizeof (MonoObject);
9597 info->native_size = MAX (info->native_size, info->fields [j].offset + size);
9603 if(layout != TYPE_ATTRIBUTE_AUTO_LAYOUT) {
9604 info->native_size = MAX (native_size, info->native_size);
9607 if (info->native_size & (min_align - 1)) {
9608 info->native_size += min_align - 1;
9609 info->native_size &= ~(min_align - 1);
9612 /* Update the class's blittable info, if the layouts don't match */
9613 if (info->native_size != mono_class_value_size (klass, NULL))
9614 klass->blittable = FALSE;
9616 /* If this is an array type, ensure that we have element info */
9617 if (klass->element_class && !mono_marshal_is_loading_type_info (klass->element_class)) {
9618 mono_marshal_load_type_info (klass->element_class);
9621 loads_list = TlsGetValue (load_type_info_tls_id);
9622 loads_list = g_slist_remove (loads_list, klass);
9623 TlsSetValue (load_type_info_tls_id, loads_list);
9625 klass->marshal_info = info;
9627 mono_loader_unlock ();
9629 return klass->marshal_info;
9633 * mono_class_native_size:
9636 * Returns: the native size of an object instance (when marshaled
9637 * to unmanaged code)
9640 mono_class_native_size (MonoClass *klass, guint32 *align)
9642 if (!klass->marshal_info) {
9643 if (mono_marshal_is_loading_type_info (klass))
9646 mono_marshal_load_type_info (klass);
9650 *align = klass->min_align;
9652 return klass->marshal_info->native_size;
9656 * mono_type_native_stack_size:
9657 * @t: the type to return the size it uses on the stack
9659 * Returns: the number of bytes required to hold an instance of this
9660 * type on the native stack
9663 mono_type_native_stack_size (MonoType *t, guint32 *align)
9667 g_assert (t != NULL);
9678 case MONO_TYPE_BOOLEAN:
9679 case MONO_TYPE_CHAR:
9688 case MONO_TYPE_STRING:
9689 case MONO_TYPE_OBJECT:
9690 case MONO_TYPE_CLASS:
9691 case MONO_TYPE_SZARRAY:
9693 case MONO_TYPE_FNPTR:
9694 case MONO_TYPE_ARRAY:
9695 case MONO_TYPE_TYPEDBYREF:
9706 case MONO_TYPE_VALUETYPE: {
9709 if (t->data.klass->enumtype)
9710 return mono_type_native_stack_size (t->data.klass->enum_basetype, align);
9712 size = mono_class_native_size (t->data.klass, align);
9713 *align = *align + 3;
9723 g_error ("type 0x%02x unknown", t->type);
9728 /* __alignof__ returns the preferred alignment of values not the actual alignment used by
9729 the compiler so is wrong e.g. for Linux where doubles are aligned on a 4 byte boundary
9730 but __alignof__ returns 8 - using G_STRUCT_OFFSET works better */
9731 #define ALIGNMENT(type) G_STRUCT_OFFSET(struct { char c; type x; }, x)
9734 mono_marshal_type_size (MonoType *type, MonoMarshalSpec *mspec, guint32 *align,
9735 gboolean as_field, gboolean unicode)
9737 MonoMarshalNative native_type = mono_type_to_unmanaged (type, mspec, as_field, unicode, NULL);
9740 switch (native_type) {
9741 case MONO_NATIVE_BOOLEAN:
9744 case MONO_NATIVE_I1:
9745 case MONO_NATIVE_U1:
9748 case MONO_NATIVE_I2:
9749 case MONO_NATIVE_U2:
9750 case MONO_NATIVE_VARIANTBOOL:
9753 case MONO_NATIVE_I4:
9754 case MONO_NATIVE_U4:
9755 case MONO_NATIVE_ERROR:
9758 case MONO_NATIVE_I8:
9759 case MONO_NATIVE_U8:
9760 *align = ALIGNMENT(guint64);
9762 case MONO_NATIVE_R4:
9765 case MONO_NATIVE_R8:
9766 *align = ALIGNMENT(double);
9768 case MONO_NATIVE_INT:
9769 case MONO_NATIVE_UINT:
9770 case MONO_NATIVE_LPSTR:
9771 case MONO_NATIVE_LPWSTR:
9772 case MONO_NATIVE_LPTSTR:
9773 case MONO_NATIVE_BSTR:
9774 case MONO_NATIVE_ANSIBSTR:
9775 case MONO_NATIVE_TBSTR:
9776 case MONO_NATIVE_LPARRAY:
9777 case MONO_NATIVE_SAFEARRAY:
9778 case MONO_NATIVE_IUNKNOWN:
9779 case MONO_NATIVE_IDISPATCH:
9780 case MONO_NATIVE_INTERFACE:
9781 case MONO_NATIVE_ASANY:
9782 case MONO_NATIVE_FUNC:
9783 case MONO_NATIVE_LPSTRUCT:
9784 *align = ALIGNMENT(gpointer);
9785 return sizeof (gpointer);
9786 case MONO_NATIVE_STRUCT:
9787 klass = mono_class_from_mono_type (type);
9788 if (klass == mono_defaults.object_class &&
9789 (mspec && mspec->native == MONO_NATIVE_STRUCT)) {
9793 return mono_class_native_size (klass, align);
9794 case MONO_NATIVE_BYVALTSTR: {
9795 int esize = unicode ? 2: 1;
9798 return mspec->data.array_data.num_elem * esize;
9800 case MONO_NATIVE_BYVALARRAY: {
9801 // FIXME: Have to consider ArraySubType
9803 klass = mono_class_from_mono_type (type);
9804 if (klass->element_class == mono_defaults.char_class) {
9805 esize = unicode ? 2 : 1;
9808 esize = mono_class_native_size (klass->element_class, align);
9811 return mspec->data.array_data.num_elem * esize;
9813 case MONO_NATIVE_CUSTOM:
9814 g_assert_not_reached ();
9816 case MONO_NATIVE_CURRENCY:
9817 case MONO_NATIVE_VBBYREFSTR:
9819 g_error ("native type %02x not implemented", native_type);
9822 g_assert_not_reached ();
9827 mono_marshal_asany (MonoObject *o, MonoMarshalNative string_encoding, int param_attrs)
9835 t = &o->vtable->klass->byval_arg;
9842 case MONO_TYPE_BOOLEAN:
9845 case MONO_TYPE_CHAR:
9850 return mono_object_unbox (o);
9852 case MONO_TYPE_STRING:
9853 switch (string_encoding) {
9854 case MONO_NATIVE_LPWSTR:
9855 return mono_string_to_utf16 ((MonoString*)o);
9857 case MONO_NATIVE_LPSTR:
9858 return mono_string_to_lpstr ((MonoString*)o);
9861 g_warning ("marshaling conversion %d not implemented", string_encoding);
9862 g_assert_not_reached ();
9865 case MONO_TYPE_CLASS:
9866 case MONO_TYPE_VALUETYPE: {
9870 MonoBoolean delete_old = FALSE;
9872 klass = t->data.klass;
9874 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT)
9877 if (klass->valuetype && (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
9878 klass->blittable || klass->enumtype))
9879 return mono_object_unbox (o);
9881 res = mono_marshal_alloc (mono_class_native_size (klass, NULL));
9883 if (!((param_attrs & PARAM_ATTRIBUTE_OUT) && !(param_attrs & PARAM_ATTRIBUTE_IN))) {
9884 method = mono_marshal_get_struct_to_ptr (o->vtable->klass);
9888 pa [2] = &delete_old;
9890 mono_runtime_invoke (method, NULL, pa, NULL);
9897 mono_raise_exception (mono_get_exception_argument ("", "No PInvoke conversion exists for value passed to Object-typed parameter."));
9903 mono_marshal_free_asany (MonoObject *o, gpointer ptr, MonoMarshalNative string_encoding, int param_attrs)
9911 t = &o->vtable->klass->byval_arg;
9913 case MONO_TYPE_STRING:
9914 switch (string_encoding) {
9915 case MONO_NATIVE_LPWSTR:
9916 case MONO_NATIVE_LPSTR:
9917 mono_marshal_free (ptr);
9920 g_warning ("marshaling conversion %d not implemented", string_encoding);
9921 g_assert_not_reached ();
9924 case MONO_TYPE_CLASS:
9925 case MONO_TYPE_VALUETYPE: {
9926 klass = t->data.klass;
9928 if (klass->valuetype && (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
9929 klass->blittable || klass->enumtype))
9932 if (param_attrs & PARAM_ATTRIBUTE_OUT) {
9933 MonoMethod *method = mono_marshal_get_ptr_to_struct (o->vtable->klass);
9939 mono_runtime_invoke (method, NULL, pa, NULL);
9942 if (!((param_attrs & PARAM_ATTRIBUTE_OUT) && !(param_attrs & PARAM_ATTRIBUTE_IN))) {
9943 mono_struct_delete_old (klass, ptr);
9946 mono_marshal_free (ptr);
9955 mono_marshal_get_generic_array_helper (MonoClass *class, MonoClass *iface, gchar *name, MonoMethod *method)
9957 MonoMethodSignature *sig, *csig;
9958 MonoMethodBuilder *mb;
9962 mb = mono_mb_new (class, name, MONO_WRAPPER_MANAGED_TO_MANAGED);
9963 mb->method->slot = -1;
9965 mb->method->flags = METHOD_ATTRIBUTE_PRIVATE | METHOD_ATTRIBUTE_VIRTUAL |
9966 METHOD_ATTRIBUTE_NEW_SLOT | METHOD_ATTRIBUTE_HIDE_BY_SIG | METHOD_ATTRIBUTE_FINAL;
9968 sig = mono_method_signature (method);
9969 csig = signature_dup (method->klass->image, sig);
9970 csig->generic_param_count = 0;
9972 mono_mb_emit_ldarg (mb, 0);
9973 for (i = 0; i < csig->param_count; i++)
9974 mono_mb_emit_ldarg (mb, i + 1);
9975 mono_mb_emit_managed_call (mb, method, NULL);
9976 mono_mb_emit_byte (mb, CEE_RET);
9978 res = mono_mb_create_method (mb, csig, csig->param_count + 16);