2 * marshal.c: Routines for marshaling complex types in P/Invoke methods.
5 * Paolo Molaro (lupus@ximian.com)
7 * (C) 2002 Ximian, Inc. http://www.ximian.com
14 #include "metadata/marshal.h"
15 #include "metadata/tabledefs.h"
16 #include "metadata/exception.h"
17 #include "metadata/appdomain.h"
18 #include "mono/metadata/debug-helpers.h"
19 #include "mono/metadata/threadpool.h"
20 #include "mono/metadata/threads.h"
21 #include "mono/metadata/monitor.h"
22 #include "mono/metadata/metadata-internals.h"
23 #include "mono/metadata/domain-internals.h"
24 #include "mono/metadata/gc-internal.h"
25 #include "mono/metadata/threads-types.h"
26 #include "mono/metadata/string-icalls.h"
27 #include <mono/os/gc_wrapper.h>
31 /* #define DEBUG_RUNTIME_CODE */
33 #define OPDEF(a,b,c,d,e,f,g,h,i,j) \
37 MONO_MARSHAL_NONE, /* No marshalling needed */
38 MONO_MARSHAL_COPY, /* Can be copied by value to the new domain */
39 MONO_MARSHAL_COPY_OUT, /* out parameter that needs to be copied back to the original instance */
40 MONO_MARSHAL_SERIALIZE /* Value needs to be serialized into the new domain */
41 } MonoXDomainMarshalType;
44 #include "mono/cil/opcode.def"
49 struct _MonoMethodBuilder {
55 guint32 code_size, pos;
59 struct _MonoRemotingMethods {
61 MonoMethod *invoke_with_check;
62 MonoMethod *xdomain_invoke;
63 MonoMethod *xdomain_dispatch;
66 typedef struct _MonoRemotingMethods MonoRemotingMethods;
68 #ifdef DEBUG_RUNTIME_CODE
70 indenter (MonoDisHelper *dh, MonoMethod *method, guint32 ip_offset)
72 return g_strdup (" ");
75 static MonoDisHelper marshal_dh = {
85 /* This mutex protects the various marshalling related caches in MonoImage */
86 #define mono_marshal_lock() EnterCriticalSection (&marshal_mutex)
87 #define mono_marshal_unlock() LeaveCriticalSection (&marshal_mutex)
88 static CRITICAL_SECTION marshal_mutex;
90 /* Maps wrapper methods to the methods they wrap */
91 static GHashTable *wrapper_hash;
93 static guint32 last_error_tls_id;
95 static guint32 load_type_info_tls_id;
98 delegate_hash_table_add (MonoDelegate *d);
101 emit_struct_conv (MonoMethodBuilder *mb, MonoClass *klass, gboolean to_object);
104 mono_struct_delete_old (MonoClass *klass, char *ptr);
107 mono_marshal_string_to_utf16 (MonoString *s);
110 mono_string_to_lpstr (MonoString *string_obj);
113 mono_string_from_bstr (gpointer bstr);
116 mono_free_bstr (gpointer bstr);
119 mono_byvalarray_to_array (MonoArray *arr, gpointer native_arr, MonoClass *eltype, guint32 elnum);
122 mono_array_to_byvalarray (gpointer native_arr, MonoArray *arr, MonoClass *eltype, guint32 elnum);
125 mono_remoting_wrapper (MonoMethod *method, gpointer *params);
127 static MonoAsyncResult *
128 mono_delegate_begin_invoke (MonoDelegate *delegate, gpointer *params);
131 mono_delegate_end_invoke (MonoDelegate *delegate, gpointer *params);
134 mono_marshal_xdomain_copy_value (MonoObject *val);
137 mono_marshal_xdomain_copy_out_value (MonoObject *src, MonoObject *dst);
140 mono_marshal_set_domain_by_id (gint32 id, MonoBoolean push);
143 mono_marshal_check_domain_image (gint32 domain_id, MonoImage *image);
146 mono_upgrade_remote_class_wrapper (MonoReflectionType *rtype, MonoTransparentProxy *tproxy);
148 static MonoReflectionType *
149 type_from_handle (MonoType *handle);
152 mono_marshal_set_last_error_windows (int error);
155 mono_marshal_emit_native_wrapper (MonoImage *image, MonoMethodBuilder *mb, MonoMethodSignature *sig, MonoMethodPInvoke *piinfo, MonoMarshalSpec **mspecs, gpointer func);
157 static void init_safe_handle (void);
159 /* MonoMethod pointers to SafeHandle::DangerousAddRef and ::DangerousRelease */
160 static MonoMethod *sh_dangerous_add_ref;
161 static MonoMethod *sh_dangerous_release;
167 sh_dangerous_add_ref = mono_class_get_method_from_name (
168 mono_defaults.safehandle_class, "DangerousAddRef", 1);
169 sh_dangerous_release = mono_class_get_method_from_name (
170 mono_defaults.safehandle_class, "DangerousRelease", 0);
174 register_icall (gpointer func, const char *name, const char *sigstr, gboolean save)
176 MonoMethodSignature *sig = mono_create_icall_signature (sigstr);
178 mono_register_jit_icall (func, name, sig, save);
181 static MonoMethodSignature*
182 signature_dup (MonoImage *image, MonoMethodSignature *sig)
184 MonoMethodSignature *res;
187 sigsize = sizeof (MonoMethodSignature) + ((sig->param_count - MONO_ZERO_LEN_ARRAY) * sizeof (MonoType *));
189 res = mono_mempool_alloc (image->mempool, sigsize);
190 mono_loader_unlock ();
191 memcpy (res, sig, sigsize);
196 static MonoMethodSignature*
197 signature_no_pinvoke (MonoMethod *method)
199 MonoMethodSignature *sig = mono_method_signature (method);
201 sig = signature_dup (method->klass->image, sig);
202 sig->pinvoke = FALSE;
209 * signature_cominterop:
211 * @sig: managed method signature
213 * Returns: the corresponding unmanaged method signature for a managed COM
216 static MonoMethodSignature*
217 signature_cominterop (MonoImage *image, MonoMethodSignature *sig)
219 MonoMethodSignature *res;
222 int param_count = sig->param_count + 1; // convert this arg into IntPtr arg
224 if (!MONO_TYPE_IS_VOID (sig->ret))
227 sigsize = sizeof (MonoMethodSignature) + ((param_count - MONO_ZERO_LEN_ARRAY) * sizeof (MonoType *));
229 res = mono_mempool_alloc (image->mempool, sigsize);
230 mono_loader_unlock ();
231 memcpy (res, sig, sigsize);
233 // now move args forward one
234 for (i = sig->param_count-1; i >= 0; i--)
235 res->params[i+1] = sig->params[i];
237 // first arg is interface pointer
238 res->params[0] = &mono_defaults.int_class->byval_arg;
240 // last arg is return type
241 if (!MONO_TYPE_IS_VOID (sig->ret)) {
242 res->params[param_count-1] = mono_metadata_type_dup_mp (image, sig->ret);
243 res->params[param_count-1]->byref = 1;
244 res->params[param_count-1]->attrs = PARAM_ATTRIBUTE_OUT;
248 res->pinvoke = FALSE;
254 res->param_count = param_count;
256 // return type is always int32 (HRESULT)
257 res->ret = &mono_defaults.int32_class->byval_arg;
259 // STDCALL on windows, CDECL everywhere else to work with XPCOM and MainWin COM
260 #ifdef PLATFORM_WIN32
261 res->call_convention = MONO_CALL_STDCALL;
263 res->call_convention = MONO_CALL_C;
270 * cominterop_get_function_pointer:
271 * @itf: a pointer to the COM interface
272 * @slot: the vtable slot of the method pointer to return
274 * Returns: the unmanaged vtable function pointer from the interface
277 cominterop_get_function_pointer (gpointer itf, int slot)
280 func = *((*(gpointer**)itf)+slot);
285 * cominterop_object_is_com_object:
286 * @obj: a pointer to the object
288 * Returns: a value indicating if the object is a
289 * Runtime Callable Wrapper (RCW) for a COM object
292 cominterop_object_is_rcw (MonoObject *obj)
294 MonoClass *klass = NULL;
295 MonoRealProxy* real_proxy = NULL;
298 klass = mono_object_class (obj);
299 if (klass != mono_defaults.transparent_proxy_class)
302 real_proxy = ((MonoTransparentProxy*)obj)->rp;
306 klass = mono_object_class (real_proxy);
307 return (klass && klass == mono_defaults.com_interop_proxy_class);
311 * cominterop_get_com_slot_for_method:
314 * Returns: the method's slot in the COM interface vtable
317 cominterop_get_com_slot_for_method (MonoMethod* method)
319 static MonoClass *interface_type_attribute = NULL;
320 MonoInterfaceTypeAttribute* itf_attr = NULL;
321 MonoCustomAttrInfo *cinfo = NULL;
323 guint32 slot = method->slot;
325 MonoClass *ic = NULL;
328 ifaces = mono_class_get_implemented_interfaces (method->klass);
331 for (i = 0; i < ifaces->len; ++i) {
332 ic = g_ptr_array_index (ifaces, i);
333 offset = method->klass->interface_offsets[ic->interface_id];
334 if (method->slot >= offset && method->slot < offset + ic->method.count) {
339 g_ptr_array_free (ifaces, TRUE);
346 g_assert (MONO_CLASS_IS_INTERFACE (ic));
348 if (!interface_type_attribute)
349 interface_type_attribute = mono_class_from_name (mono_defaults.corlib, "System.Runtime.InteropServices", "InterfaceTypeAttribute");
350 cinfo = mono_custom_attrs_from_class (ic);
352 itf_attr = (MonoInterfaceTypeAttribute*)mono_custom_attrs_get_attr (cinfo, interface_type_attribute);
354 mono_custom_attrs_free (cinfo);
357 if (itf_attr && itf_attr->intType == 1)
358 offset = 3; /* 3 methods in IUnknown*/
360 offset = 7; /* 7 methods in IDispatch*/
362 return slot + offset;
366 * cominterop_get_method_interface:
367 * @method: method being called
369 * Returns: the Type on which the method is defined on
371 static MonoReflectionType*
372 cominterop_get_method_interface (MonoMethod* method)
376 MonoClass *ic = NULL;
378 MonoReflectionType* rt = NULL;
380 ifaces = mono_class_get_implemented_interfaces (method->klass);
383 for (i = 0; i < ifaces->len; ++i) {
384 ic = g_ptr_array_index (ifaces, i);
385 offset = method->klass->interface_offsets[ic->interface_id];
386 if (method->slot >= offset && method->slot < offset + ic->method.count)
390 g_ptr_array_free (ifaces, TRUE);
397 g_assert (MONO_CLASS_IS_INTERFACE (ic));
399 t = mono_class_get_type (ic);
400 rt = mono_type_get_object (mono_domain_get(), t);
406 mono_marshal_init (void)
408 static gboolean module_initialized = FALSE;
410 if (!module_initialized) {
411 module_initialized = TRUE;
412 InitializeCriticalSection (&marshal_mutex);
413 wrapper_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
414 last_error_tls_id = TlsAlloc ();
415 load_type_info_tls_id = TlsAlloc ();
417 register_icall (mono_marshal_string_to_utf16, "mono_marshal_string_to_utf16", "ptr obj", FALSE);
418 register_icall (mono_string_to_utf16, "mono_string_to_utf16", "ptr obj", FALSE);
419 register_icall (mono_string_from_utf16, "mono_string_from_utf16", "obj ptr", FALSE);
420 register_icall (mono_string_new_wrapper, "mono_string_new_wrapper", "obj ptr", FALSE);
421 register_icall (mono_string_to_utf8, "mono_string_to_utf8", "ptr obj", FALSE);
422 register_icall (mono_string_to_lpstr, "mono_string_to_lpstr", "ptr obj", FALSE);
423 register_icall (mono_string_to_bstr, "mono_string_to_bstr", "ptr obj", FALSE);
424 register_icall (mono_string_from_bstr, "mono_string_from_bstr", "obj ptr", FALSE);
425 register_icall (mono_free_bstr, "mono_free_bstr", "void ptr", FALSE);
426 register_icall (mono_string_to_ansibstr, "mono_string_to_ansibstr", "ptr object", FALSE);
427 register_icall (mono_string_builder_to_utf8, "mono_string_builder_to_utf8", "ptr object", FALSE);
428 register_icall (mono_string_builder_to_utf16, "mono_string_builder_to_utf16", "ptr object", FALSE);
429 register_icall (mono_array_to_savearray, "mono_array_to_savearray", "ptr object", FALSE);
430 register_icall (mono_array_to_lparray, "mono_array_to_lparray", "ptr object", FALSE);
431 register_icall (mono_byvalarray_to_array, "mono_byvalarray_to_array", "void object ptr ptr int32", FALSE);
432 register_icall (mono_array_to_byvalarray, "mono_array_to_byvalarray", "void ptr object ptr int32", FALSE);
433 register_icall (mono_delegate_to_ftnptr, "mono_delegate_to_ftnptr", "ptr object", FALSE);
434 register_icall (mono_ftnptr_to_delegate, "mono_ftnptr_to_delegate", "object ptr ptr", FALSE);
435 register_icall (mono_marshal_asany, "mono_marshal_asany", "ptr object int32 int32", FALSE);
436 register_icall (mono_marshal_free_asany, "mono_marshal_free_asany", "void object ptr int32 int32", FALSE);
437 register_icall (mono_marshal_alloc, "mono_marshal_alloc", "ptr int32", FALSE);
438 register_icall (mono_marshal_free, "mono_marshal_free", "void ptr", FALSE);
439 register_icall (mono_marshal_set_last_error, "mono_marshal_set_last_error", "void", FALSE);
440 register_icall (mono_marshal_set_last_error_windows, "mono_marshal_set_last_error_windows", "void int32", FALSE);
441 register_icall (mono_string_utf8_to_builder, "mono_string_utf8_to_builder", "void ptr ptr", FALSE);
442 register_icall (mono_string_utf16_to_builder, "mono_string_utf16_to_builder", "void ptr ptr", FALSE);
443 register_icall (mono_marshal_free_array, "mono_marshal_free_array", "void ptr int32", FALSE);
444 register_icall (mono_string_to_byvalstr, "mono_string_to_byvalstr", "void ptr ptr int32", FALSE);
445 register_icall (mono_string_to_byvalwstr, "mono_string_to_byvalwstr", "void ptr ptr int32", FALSE);
446 register_icall (g_free, "g_free", "void ptr", FALSE);
447 register_icall (mono_object_isinst, "mono_object_isinst", "object object ptr", FALSE);
448 register_icall (mono_struct_delete_old, "mono_struct_delete_old", "void ptr ptr", FALSE);
449 register_icall (mono_remoting_wrapper, "mono_remoting_wrapper", "object ptr ptr", FALSE);
450 register_icall (mono_delegate_begin_invoke, "mono_delegate_begin_invoke", "object object ptr", FALSE);
451 register_icall (mono_delegate_end_invoke, "mono_delegate_end_invoke", "object object ptr", FALSE);
452 register_icall (mono_marshal_xdomain_copy_value, "mono_marshal_xdomain_copy_value", "object object", FALSE);
453 register_icall (mono_marshal_xdomain_copy_out_value, "mono_marshal_xdomain_copy_out_value", "void object object", FALSE);
454 register_icall (mono_marshal_set_domain_by_id, "mono_marshal_set_domain_by_id", "int32 int32 int32", FALSE);
455 register_icall (mono_marshal_check_domain_image, "mono_marshal_check_domain_image", "int32 int32 ptr", FALSE);
456 register_icall (mono_compile_method, "mono_compile_method", "ptr ptr", FALSE);
457 register_icall (mono_context_get, "mono_context_get", "object", FALSE);
458 register_icall (mono_context_set, "mono_context_set", "void object", FALSE);
459 register_icall (mono_upgrade_remote_class_wrapper, "mono_upgrade_remote_class_wrapper", "void object object", FALSE);
460 register_icall (type_from_handle, "type_from_handle", "object ptr", FALSE);
461 register_icall (mono_gc_wbarrier_generic_store, "wb_generic", "void ptr object", FALSE);
462 register_icall (cominterop_get_method_interface, "cominterop_get_method_interface", "object ptr", FALSE);
463 register_icall (cominterop_get_function_pointer, "cominterop_get_function_pointer", "ptr ptr int32", FALSE);
464 register_icall (cominterop_object_is_rcw, "cominterop_object_is_rcw", "int32 object", FALSE);
469 mono_marshal_cleanup (void)
471 g_hash_table_destroy (wrapper_hash);
472 TlsFree (load_type_info_tls_id);
473 TlsFree (last_error_tls_id);
474 DeleteCriticalSection (&marshal_mutex);
477 MonoClass *byte_array_class;
478 static MonoMethod *method_rs_serialize, *method_rs_deserialize, *method_exc_fixexc, *method_rs_appdomain_target;
479 static MonoMethod *method_set_context, *method_get_context;
480 static MonoMethod *method_set_call_context, *method_needs_context_sink, *method_rs_serialize_exc;
483 mono_remoting_marshal_init (void)
487 static gboolean module_initialized = FALSE;
489 if (!module_initialized) {
490 klass = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting", "RemotingServices");
491 method_rs_serialize = mono_class_get_method_from_name (klass, "SerializeCallData", -1);
492 method_rs_deserialize = mono_class_get_method_from_name (klass, "DeserializeCallData", -1);
493 method_rs_serialize_exc = mono_class_get_method_from_name (klass, "SerializeExceptionData", -1);
495 klass = mono_defaults.real_proxy_class;
496 method_rs_appdomain_target = mono_class_get_method_from_name (klass, "GetAppDomainTarget", -1);
498 klass = mono_defaults.exception_class;
499 method_exc_fixexc = mono_class_get_method_from_name (klass, "FixRemotingException", -1);
501 klass = mono_defaults.thread_class;
502 method_get_context = mono_class_get_method_from_name (klass, "get_CurrentContext", -1);
504 klass = mono_defaults.appdomain_class;
505 method_set_context = mono_class_get_method_from_name (klass, "InternalSetContext", -1);
506 byte_array_class = mono_array_class_get (mono_defaults.byte_class, 1);
508 klass = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting.Messaging", "CallContext");
509 method_set_call_context = mono_class_get_method_from_name (klass, "SetCurrentCallContext", -1);
511 klass = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting.Contexts", "Context");
512 method_needs_context_sink = mono_class_get_method_from_name (klass, "get_NeedsContextSink", -1);
514 module_initialized = TRUE;
519 mono_delegate_to_ftnptr (MonoDelegate *delegate)
521 MonoMethod *method, *wrapper;
527 if (delegate->delegate_trampoline)
528 return delegate->delegate_trampoline;
530 klass = ((MonoObject *)delegate)->vtable->klass;
531 g_assert (klass->delegate);
533 method = delegate->method_info->method;
535 wrapper = mono_marshal_get_managed_wrapper (method, klass, delegate->target);
537 delegate->delegate_trampoline = mono_compile_method (wrapper);
539 // Add the delegate to the delegate hash table
540 delegate_hash_table_add (delegate);
542 /* when the object is collected, collect the dunamic method, too */
543 mono_object_register_finalizer ((MonoObject*)delegate);
545 return delegate->delegate_trampoline;
548 static GHashTable *delegate_hash_table;
551 delegate_hash_table_new (void) {
552 return g_hash_table_new (NULL, NULL);
556 delegate_hash_table_remove (MonoDelegate *d)
558 mono_marshal_lock ();
559 if (delegate_hash_table == NULL)
560 delegate_hash_table = delegate_hash_table_new ();
561 g_hash_table_remove (delegate_hash_table, d->delegate_trampoline);
562 mono_marshal_unlock ();
566 delegate_hash_table_add (MonoDelegate *d)
568 mono_marshal_lock ();
569 if (delegate_hash_table == NULL)
570 delegate_hash_table = delegate_hash_table_new ();
571 g_hash_table_insert (delegate_hash_table, d->delegate_trampoline, d);
572 mono_marshal_unlock ();
576 mono_ftnptr_to_delegate (MonoClass *klass, gpointer ftn)
580 mono_marshal_lock ();
581 if (delegate_hash_table == NULL)
582 delegate_hash_table = delegate_hash_table_new ();
584 d = g_hash_table_lookup (delegate_hash_table, ftn);
585 mono_marshal_unlock ();
587 /* This is a native function, so construct a delegate for it */
588 static MonoClass *UnmanagedFunctionPointerAttribute;
589 MonoMethodSignature *sig;
591 MonoMarshalSpec **mspecs;
592 MonoCustomAttrInfo *cinfo;
593 MonoReflectionUnmanagedFunctionPointerAttribute *attr;
594 MonoMethod *invoke = mono_get_delegate_invoke (klass);
595 MonoMethodPInvoke piinfo;
598 memset (&piinfo, 0, sizeof (piinfo));
599 if (!UnmanagedFunctionPointerAttribute)
600 UnmanagedFunctionPointerAttribute = mono_class_from_name (mono_defaults.corlib, "System.Runtime.InteropServices", "UnmanagedFunctionPointerAttribute");
602 /* The attribute is only available in Net 2.0 */
603 if (UnmanagedFunctionPointerAttribute) {
605 * The pinvoke attributes are stored in a real custom attribute so we have to
608 cinfo = mono_custom_attrs_from_class (klass);
610 attr = (MonoReflectionUnmanagedFunctionPointerAttribute*)mono_custom_attrs_get_attr (cinfo, UnmanagedFunctionPointerAttribute);
612 piinfo.piflags = (attr->call_conv << 8) | (attr->charset ? (attr->charset - 1) * 2 : 1) | attr->set_last_error;
615 mono_custom_attrs_free (cinfo);
619 mspecs = g_new0 (MonoMarshalSpec*, mono_method_signature (invoke)->param_count + 1);
620 mono_method_get_marshal_info (invoke, mspecs);
621 /* Freed below so don't alloc from mempool */
622 sig = mono_metadata_signature_dup (mono_method_signature (invoke));
625 wrapper = mono_marshal_get_native_func_wrapper (klass->image, sig, &piinfo, mspecs, ftn);
627 for (i = mono_method_signature (invoke)->param_count; i >= 0; i--)
629 mono_metadata_free_marshal_spec (mspecs [i]);
633 d = (MonoDelegate*)mono_object_new (mono_domain_get (), klass);
634 mono_delegate_ctor ((MonoObject*)d, NULL, mono_compile_method (wrapper));
637 if (d->object.vtable->domain != mono_domain_get ())
638 mono_raise_exception (mono_get_exception_not_supported ("Delegates cannot be marshalled from native code into a domain other than their home domain"));
644 mono_delegate_free_ftnptr (MonoDelegate *delegate)
649 delegate_hash_table_remove (delegate);
651 ptr = (gpointer)InterlockedExchangePointer (&delegate->delegate_trampoline, NULL);
653 if (!delegate->target) {
654 /* The wrapper method is shared between delegates -> no need to free it */
659 ji = mono_jit_info_table_find (mono_domain_get (), mono_get_addr_from_ftnptr (ptr));
662 mono_runtime_free_method (mono_object_domain (delegate), ji->method);
667 mono_array_to_savearray (MonoArray *array)
672 g_assert_not_reached ();
677 mono_array_to_lparray (MonoArray *array)
682 /* fixme: maybe we need to make a copy */
683 return array->vector;
687 mono_byvalarray_to_array (MonoArray *arr, gpointer native_arr, MonoClass *elclass, guint32 elnum)
689 g_assert (arr->obj.vtable->klass->element_class == mono_defaults.char_class);
691 if (elclass == mono_defaults.byte_class) {
692 GError *error = NULL;
696 ut = g_utf8_to_utf16 (native_arr, elnum, NULL, &items_written, &error);
699 memcpy (mono_array_addr (arr, guint16, 0), ut, items_written * sizeof (guint16));
703 g_error_free (error);
706 g_assert_not_reached ();
710 mono_array_to_byvalarray (gpointer native_arr, MonoArray *arr, MonoClass *elclass, guint32 elnum)
712 g_assert (arr->obj.vtable->klass->element_class == mono_defaults.char_class);
714 if (elclass == mono_defaults.byte_class) {
716 GError *error = NULL;
718 as = g_utf16_to_utf8 (mono_array_addr (arr, gunichar2, 0), mono_array_length (arr), NULL, NULL, &error);
720 MonoException *exc = mono_get_exception_argument ("string", error->message);
721 g_error_free (error);
722 mono_raise_exception (exc);
725 memcpy (native_arr, as, MIN (strlen (as), elnum));
728 g_assert_not_reached ();
733 mono_string_utf8_to_builder (MonoStringBuilder *sb, char *text)
735 GError *error = NULL;
745 ut = g_utf8_to_utf16 (text, l, NULL, &items_written, &error);
747 if (items_written > mono_stringbuilder_capacity (sb))
748 items_written = mono_stringbuilder_capacity (sb);
751 if (! sb->str || sb->str == sb->cached_str) {
752 MONO_OBJECT_SETREF (sb, str, mono_string_new_size (mono_domain_get (), items_written));
753 sb->cached_str = NULL;
756 memcpy (mono_string_chars (sb->str), ut, items_written * 2);
757 sb->length = items_written;
759 g_error_free (error);
765 * FIXME: This routine does not seem to do what it seems to do
766 * the @text is never copied into the string builder
769 mono_string_utf16_to_builder (MonoStringBuilder *sb, gunichar2 *text)
776 g_assert (mono_string_chars (sb->str) == text);
778 for (len = 0; text [len] != 0; ++len)
785 * mono_string_builder_to_utf8:
786 * @sb: the string builder
788 * Converts to utf8 the contents of the MonoStringBuilder.
790 * Returns: a utf8 string with the contents of the StringBuilder.
792 * The return value must be released with g_free.
795 mono_string_builder_to_utf8 (MonoStringBuilder *sb)
797 GError *error = NULL;
804 if ((sb->str == sb->cached_str) && (sb->str->length == 0)) {
806 * The sb could have been allocated with the default capacity and be empty.
807 * we need to alloc a buffer of the default capacity in this case.
809 MONO_OBJECT_SETREF (sb, str, mono_string_new_size (mono_domain_get (), 16));
810 sb->cached_str = NULL;
813 res = mono_marshal_alloc (mono_stringbuilder_capacity (sb) + 1);
815 tmp = g_utf16_to_utf8 (mono_string_chars (sb->str), sb->length, NULL, res, &error);
817 g_error_free (error);
818 mono_marshal_free (res);
819 mono_raise_exception (mono_get_exception_execution_engine ("Failed to convert StringBuilder from utf16 to utf8"));
821 memcpy (res, tmp, sb->length + 1);
829 * mono_string_builder_to_utf16:
830 * @sb: the string builder
832 * Converts to utf16 the contents of the MonoStringBuilder.
834 * Returns: a utf16 string with the contents of the StringBuilder.
836 * The return value must not be freed.
839 mono_string_builder_to_utf16 (MonoStringBuilder *sb)
847 * The stringbuilder might not have ownership of this string. If this is
848 * the case, we must duplicate the string, so that we don't munge immutable
851 if (sb->str == sb->cached_str) {
853 * The sb could have been allocated with the default capacity and be empty.
854 * we need to alloc a buffer of the default capacity in this case.
856 if (sb->str->length == 0)
857 MONO_OBJECT_SETREF (sb, str, mono_string_new_size (mono_domain_get (), 16));
859 MONO_OBJECT_SETREF (sb, str, mono_string_new_utf16 (mono_domain_get (), mono_string_chars (sb->str), mono_stringbuilder_capacity (sb)));
860 sb->cached_str = NULL;
863 return mono_string_chars (sb->str);
867 mono_string_to_lpstr (MonoString *s)
869 #ifdef PLATFORM_WIN32
872 GError *error = NULL;
878 as = CoTaskMemAlloc (1);
883 tmp = g_utf16_to_utf8 (mono_string_chars (s), s->length, NULL, &len, &error);
885 MonoException *exc = mono_get_exception_argument ("string", error->message);
886 g_error_free (error);
887 mono_raise_exception(exc);
890 as = CoTaskMemAlloc (len + 1);
891 memcpy (as, tmp, len + 1);
896 return mono_string_to_utf8 (s);
901 mono_string_to_ansibstr (MonoString *string_obj)
903 g_error ("UnmanagedMarshal.BStr is not implemented.");
908 mono_string_to_bstr (MonoString *string_obj)
910 #ifdef PLATFORM_WIN32
913 return SysAllocStringLen (mono_string_chars (string_obj), mono_string_length (string_obj));
915 int slen = mono_string_length (string_obj);
916 char *ret = g_malloc (slen * 2 + 4 + 2);
919 memcpy (ret + 4, mono_string_chars (string_obj), slen * 2);
920 * ((guint32 *) ret) = slen * 2;
921 ret [4 + slen * 2] = 0;
922 ret [5 + slen * 2] = 0;
929 mono_string_from_bstr (gpointer bstr)
931 #ifdef PLATFORM_WIN32
934 return mono_string_new_utf16 (mono_domain_get (), bstr, SysStringLen (bstr));
936 return mono_string_new_utf16 (mono_domain_get (), bstr, *(guint32 *)((char *)bstr - 4));
941 mono_free_bstr (gpointer bstr)
943 #ifdef PLATFORM_WIN32
944 SysFreeString ((BSTR)bstr);
946 g_free (((char *)bstr) - 4);
951 * mono_string_to_byvalstr:
952 * @dst: Where to store the null-terminated utf8 decoded string.
953 * @src: the MonoString to copy.
954 * @size: the maximum number of bytes to copy.
956 * Copies the MonoString pointed to by @src as a utf8 string
957 * into @dst, it copies at most @size bytes into the destination.
960 mono_string_to_byvalstr (gpointer dst, MonoString *src, int size)
965 g_assert (dst != NULL);
968 memset (dst, 0, size);
973 s = mono_string_to_utf8 (src);
974 len = MIN (size, strlen (s));
975 memcpy (dst, s, len);
978 *((char *)dst + size - 1) = 0;
982 * mono_string_to_byvalwstr:
983 * @dst: Where to store the null-terminated utf16 decoded string.
984 * @src: the MonoString to copy.
985 * @size: the maximum number of bytes to copy.
987 * Copies the MonoString pointed to by @src as a utf16 string
988 * into @dst, it copies at most @size bytes into the destination.
991 mono_string_to_byvalwstr (gpointer dst, MonoString *src, int size)
995 g_assert (dst != NULL);
999 memset (dst, 0, size * 2);
1003 len = MIN (size, (mono_string_length (src)));
1004 memcpy (dst, mono_string_chars (src), len * 2);
1006 *((gunichar2 *)dst + len - 1) = 0;
1010 mono_mb_free (MonoMethodBuilder *mb)
1012 g_list_free (mb->locals_list);
1014 g_free (mb->method);
1022 mono_mb_new (MonoClass *klass, const char *name, MonoWrapperType type)
1024 MonoMethodBuilder *mb;
1027 g_assert (klass != NULL);
1028 g_assert (name != NULL);
1030 mb = g_new0 (MonoMethodBuilder, 1);
1032 mb->method = m = (MonoMethod *)g_new0 (MonoMethodWrapper, 1);
1036 m->wrapper_type = type;
1038 mb->name = g_strdup (name);
1040 mb->code = g_malloc (mb->code_size);
1046 mono_mb_add_local (MonoMethodBuilder *mb, MonoType *type)
1050 g_assert (mb != NULL);
1051 g_assert (type != NULL);
1054 mb->locals_list = g_list_append (mb->locals_list, type);
1061 * mono_mb_create_method:
1063 * Create a MonoMethod from this method builder.
1064 * Returns: the newly created method.
1066 * LOCKING: Assumes the loader lock is held.
1069 mono_mb_create_method (MonoMethodBuilder *mb, MonoMethodSignature *signature, int max_stack)
1071 MonoMethodHeader *header;
1072 MonoMethodWrapper *mw;
1078 g_assert (mb != NULL);
1080 mp = mb->method->klass->image->mempool;
1082 mono_loader_lock ();
1084 method = mb->method;
1086 method->name = mb->name;
1087 method->dynamic = TRUE;
1089 ((MonoMethodNormal *)method)->header = header = (MonoMethodHeader *)
1090 g_malloc0 (sizeof (MonoMethodHeader) + mb->locals * sizeof (MonoType *));
1092 header->code = mb->code;
1094 /* Realloc the method info into a mempool */
1096 method = mono_mempool_alloc (mp, sizeof (MonoMethodWrapper));
1097 memcpy (method, mb->method, sizeof (MonoMethodWrapper));
1099 method->name = mono_mempool_strdup (mp, mb->name);
1101 ((MonoMethodNormal *)method)->header = header = (MonoMethodHeader *)
1102 mono_mempool_alloc0 (mp, sizeof (MonoMethodHeader) + mb->locals * sizeof (MonoType *));
1104 header->code = mono_mempool_alloc (mp, mb->pos);
1105 memcpy ((char*)header->code, mb->code, mb->pos);
1111 header->max_stack = max_stack;
1113 for (i = 0, l = mb->locals_list; l; l = l->next, i++) {
1114 header->locals [i] = (MonoType *)l->data;
1117 method->signature = signature;
1119 header->code_size = mb->pos;
1120 header->num_locals = mb->locals;
1122 mw = (MonoMethodWrapper*) mb->method;
1123 i = g_list_length (mw->method_data);
1127 l = g_list_reverse (mw->method_data);
1128 if (method->dynamic)
1129 data = g_malloc (sizeof (gpointer) * (i + 1));
1131 data = mono_mempool_alloc (mp, sizeof (gpointer) * (i + 1));
1132 /* store the size in the first element */
1133 data [0] = GUINT_TO_POINTER (i);
1135 for (tmp = l; tmp; tmp = tmp->next) {
1136 data [i++] = tmp->data;
1140 ((MonoMethodWrapper*)method)->method_data = data;
1143 static int total_code = 0;
1144 static int total_alloc = 0;
1145 total_code += mb->pos;
1146 total_alloc += mb->code_size;
1147 g_print ("code size: %d of %d (allocated: %d)\n", mb->pos, total_code, total_alloc);
1150 #ifdef DEBUG_RUNTIME_CODE
1151 printf ("RUNTIME CODE FOR %s\n", mono_method_full_name (method, TRUE));
1152 printf ("%s\n", mono_disasm_code (&marshal_dh, method, mb->code, mb->code + mb->pos));
1155 mono_loader_unlock ();
1160 mono_mb_add_data (MonoMethodBuilder *mb, gpointer data)
1162 MonoMethodWrapper *mw;
1164 g_assert (mb != NULL);
1166 mw = (MonoMethodWrapper *)mb->method;
1168 /* one O(n) is enough */
1169 mw->method_data = g_list_prepend (mw->method_data, data);
1171 return g_list_length (mw->method_data);
1175 mono_mb_patch_addr (MonoMethodBuilder *mb, int pos, int value)
1177 mb->code [pos] = value & 0xff;
1178 mb->code [pos + 1] = (value >> 8) & 0xff;
1179 mb->code [pos + 2] = (value >> 16) & 0xff;
1180 mb->code [pos + 3] = (value >> 24) & 0xff;
1184 mono_mb_patch_addr_s (MonoMethodBuilder *mb, int pos, gint8 value)
1186 *((gint8 *)(&mb->code [pos])) = value;
1190 mono_mb_emit_byte (MonoMethodBuilder *mb, guint8 op)
1192 if (mb->pos >= mb->code_size) {
1193 mb->code_size += mb->code_size >> 1;
1194 mb->code = g_realloc (mb->code, mb->code_size);
1197 mb->code [mb->pos++] = op;
1201 mono_mb_emit_ldflda (MonoMethodBuilder *mb, gint32 offset)
1203 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1204 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
1207 mono_mb_emit_icon (mb, offset);
1208 mono_mb_emit_byte (mb, CEE_ADD);
1213 mono_mb_emit_proxy_check (MonoMethodBuilder *mb, int branch_code)
1216 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
1217 mono_mb_emit_byte (mb, CEE_LDIND_I);
1218 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoVTable, klass));
1219 mono_mb_emit_byte (mb, CEE_ADD);
1220 mono_mb_emit_byte (mb, CEE_LDIND_I);
1221 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1222 mono_mb_emit_byte (mb, CEE_MONO_CLASSCONST);
1223 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_defaults.transparent_proxy_class));
1224 mono_mb_emit_byte (mb, branch_code);
1226 mono_mb_emit_i4 (mb, 0);
1231 mono_mb_emit_xdomain_check (MonoMethodBuilder *mb, int branch_code)
1234 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
1235 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1236 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoRealProxy, target_domain_id));
1237 mono_mb_emit_byte (mb, CEE_LDIND_I4);
1238 mono_mb_emit_icon (mb, -1);
1239 mono_mb_emit_byte (mb, branch_code);
1241 mono_mb_emit_i4 (mb, 0);
1246 mono_mb_emit_i4 (MonoMethodBuilder *mb, gint32 data)
1248 if ((mb->pos + 4) >= mb->code_size) {
1249 mb->code_size += mb->code_size >> 1;
1250 mb->code = g_realloc (mb->code, mb->code_size);
1253 mono_mb_patch_addr (mb, mb->pos, data);
1258 mono_mb_emit_i2 (MonoMethodBuilder *mb, gint16 data)
1260 if ((mb->pos + 2) >= mb->code_size) {
1261 mb->code_size += mb->code_size >> 1;
1262 mb->code = g_realloc (mb->code, mb->code_size);
1265 mb->code [mb->pos] = data & 0xff;
1266 mb->code [mb->pos + 1] = (data >> 8) & 0xff;
1271 mono_mb_emit_op (MonoMethodBuilder *mb, guint8 op, gpointer data)
1273 mono_mb_emit_byte (mb, op);
1274 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, data));
1278 mono_mb_emit_ldstr (MonoMethodBuilder *mb, char *str)
1280 mono_mb_emit_op (mb, CEE_LDSTR, str);
1284 mono_mb_emit_ldarg (MonoMethodBuilder *mb, guint argnum)
1287 mono_mb_emit_byte (mb, CEE_LDARG_0 + argnum);
1288 } else if (argnum < 256) {
1289 mono_mb_emit_byte (mb, CEE_LDARG_S);
1290 mono_mb_emit_byte (mb, argnum);
1292 mono_mb_emit_byte (mb, CEE_PREFIX1);
1293 mono_mb_emit_byte (mb, CEE_LDARG);
1294 mono_mb_emit_i2 (mb, argnum);
1299 mono_mb_emit_ldarg_addr (MonoMethodBuilder *mb, guint argnum)
1302 mono_mb_emit_byte (mb, CEE_LDARGA_S);
1303 mono_mb_emit_byte (mb, argnum);
1305 mono_mb_emit_byte (mb, CEE_PREFIX1);
1306 mono_mb_emit_byte (mb, CEE_LDARGA);
1307 mono_mb_emit_i2 (mb, argnum);
1312 mono_mb_emit_ldloc_addr (MonoMethodBuilder *mb, guint locnum)
1315 mono_mb_emit_byte (mb, CEE_LDLOCA_S);
1316 mono_mb_emit_byte (mb, locnum);
1318 mono_mb_emit_byte (mb, CEE_PREFIX1);
1319 mono_mb_emit_byte (mb, CEE_LDLOCA);
1320 mono_mb_emit_i2 (mb, locnum);
1325 mono_mb_emit_ldloc (MonoMethodBuilder *mb, guint num)
1328 mono_mb_emit_byte (mb, CEE_LDLOC_0 + num);
1329 } else if (num < 256) {
1330 mono_mb_emit_byte (mb, CEE_LDLOC_S);
1331 mono_mb_emit_byte (mb, num);
1333 mono_mb_emit_byte (mb, CEE_PREFIX1);
1334 mono_mb_emit_byte (mb, CEE_LDLOC);
1335 mono_mb_emit_i2 (mb, num);
1340 mono_mb_emit_stloc (MonoMethodBuilder *mb, guint num)
1343 mono_mb_emit_byte (mb, CEE_STLOC_0 + num);
1344 } else if (num < 256) {
1345 mono_mb_emit_byte (mb, CEE_STLOC_S);
1346 mono_mb_emit_byte (mb, num);
1348 mono_mb_emit_byte (mb, CEE_PREFIX1);
1349 mono_mb_emit_byte (mb, CEE_STLOC);
1350 mono_mb_emit_i2 (mb, num);
1355 mono_mb_emit_icon (MonoMethodBuilder *mb, gint32 value)
1357 if (value >= -1 && value < 8) {
1358 mono_mb_emit_byte (mb, CEE_LDC_I4_0 + value);
1359 } else if (value >= -128 && value <= 127) {
1360 mono_mb_emit_byte (mb, CEE_LDC_I4_S);
1361 mono_mb_emit_byte (mb, value);
1363 mono_mb_emit_byte (mb, CEE_LDC_I4);
1364 mono_mb_emit_i4 (mb, value);
1369 mono_mb_emit_branch (MonoMethodBuilder *mb, guint8 op)
1372 mono_mb_emit_byte (mb, op);
1374 mono_mb_emit_i4 (mb, 0);
1379 mono_mb_emit_short_branch (MonoMethodBuilder *mb, guint8 op)
1382 mono_mb_emit_byte (mb, op);
1384 mono_mb_emit_byte (mb, 0);
1390 mono_mb_patch_branch (MonoMethodBuilder *mb, guint32 pos)
1392 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
1396 mono_mb_patch_short_branch (MonoMethodBuilder *mb, guint32 pos)
1398 mono_mb_patch_addr_s (mb, pos, mb->pos - (pos + 1));
1402 mono_mb_emit_ptr (MonoMethodBuilder *mb, gpointer ptr)
1404 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1405 mono_mb_emit_op (mb, CEE_MONO_LDPTR, ptr);
1409 mono_mb_emit_calli (MonoMethodBuilder *mb, MonoMethodSignature *sig)
1411 mono_mb_emit_op (mb, CEE_CALLI, sig);
1415 mono_mb_emit_managed_call (MonoMethodBuilder *mb, MonoMethod *method, MonoMethodSignature *opt_sig)
1417 mono_mb_emit_op (mb, CEE_CALL, method);
1421 mono_mb_emit_native_call (MonoMethodBuilder *mb, MonoMethodSignature *sig, gpointer func)
1423 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1424 mono_mb_emit_byte (mb, CEE_MONO_SAVE_LMF);
1425 mono_mb_emit_ptr (mb, func);
1426 mono_mb_emit_calli (mb, sig);
1427 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1428 mono_mb_emit_byte (mb, CEE_MONO_RESTORE_LMF);
1432 mono_mb_emit_icall (MonoMethodBuilder *mb, gpointer func)
1434 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1435 mono_mb_emit_op (mb, CEE_MONO_ICALL, func);
1439 mono_mb_emit_cominterop_call (MonoMethodBuilder *mb, MonoMethodSignature *sig, MonoMethod* method)
1441 // get function pointer from 1st arg, the COM interface pointer
1442 mono_mb_emit_ldarg (mb, 0);
1443 mono_mb_emit_icon (mb, cominterop_get_com_slot_for_method (method));
1444 mono_mb_emit_icall (mb, cominterop_get_function_pointer);
1446 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1447 mono_mb_emit_byte (mb, CEE_MONO_SAVE_LMF);
1448 mono_mb_emit_calli (mb, sig);
1449 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1450 mono_mb_emit_byte (mb, CEE_MONO_RESTORE_LMF);
1454 mono_mb_emit_exception_full (MonoMethodBuilder *mb, const char *exc_nspace, const char *exc_name, const char *msg)
1456 MonoMethod *ctor = NULL;
1458 MonoClass *mme = mono_class_from_name (mono_defaults.corlib, exc_nspace, exc_name);
1459 mono_class_init (mme);
1460 ctor = mono_class_get_method_from_name (mme, ".ctor", 0);
1462 mono_mb_emit_op (mb, CEE_NEWOBJ, ctor);
1464 mono_mb_emit_byte (mb, CEE_DUP);
1465 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoException, message));
1466 mono_mb_emit_ldstr (mb, (char*)msg);
1467 mono_mb_emit_byte (mb, CEE_STIND_REF);
1469 mono_mb_emit_byte (mb, CEE_THROW);
1473 mono_mb_emit_exception (MonoMethodBuilder *mb, const char *exc_name, const char *msg)
1475 mono_mb_emit_exception_full (mb, "System", exc_name, msg);
1479 mono_mb_emit_exception_marshal_directive (MonoMethodBuilder *mb, const char *msg)
1481 mono_mb_emit_exception_full (mb, "System.Runtime.InteropServices", "MarshalDirectiveException", msg);
1485 mono_mb_emit_add_to_local (MonoMethodBuilder *mb, guint16 local, gint32 incr)
1487 mono_mb_emit_ldloc (mb, local);
1488 mono_mb_emit_icon (mb, incr);
1489 mono_mb_emit_byte (mb, CEE_ADD);
1490 mono_mb_emit_stloc (mb, local);
1494 mono_type_to_ldind (MonoType *type)
1500 switch (type->type) {
1502 return CEE_LDIND_I1;
1504 case MONO_TYPE_BOOLEAN:
1505 return CEE_LDIND_U1;
1507 return CEE_LDIND_I2;
1509 case MONO_TYPE_CHAR:
1510 return CEE_LDIND_U2;
1512 return CEE_LDIND_I4;
1514 return CEE_LDIND_U4;
1518 case MONO_TYPE_FNPTR:
1520 case MONO_TYPE_CLASS:
1521 case MONO_TYPE_STRING:
1522 case MONO_TYPE_OBJECT:
1523 case MONO_TYPE_SZARRAY:
1524 case MONO_TYPE_ARRAY:
1525 return CEE_LDIND_REF;
1528 return CEE_LDIND_I8;
1530 return CEE_LDIND_R4;
1532 return CEE_LDIND_R8;
1533 case MONO_TYPE_VALUETYPE:
1534 if (type->data.klass->enumtype) {
1535 type = type->data.klass->enum_basetype;
1539 case MONO_TYPE_TYPEDBYREF:
1541 case MONO_TYPE_GENERICINST:
1542 type = &type->data.generic_class->container_class->byval_arg;
1545 g_error ("unknown type 0x%02x in type_to_ldind", type->type);
1551 mono_type_to_stind (MonoType *type)
1557 switch (type->type) {
1560 case MONO_TYPE_BOOLEAN:
1561 return CEE_STIND_I1;
1564 case MONO_TYPE_CHAR:
1565 return CEE_STIND_I2;
1568 return CEE_STIND_I4;
1572 case MONO_TYPE_FNPTR:
1574 case MONO_TYPE_CLASS:
1575 case MONO_TYPE_STRING:
1576 case MONO_TYPE_OBJECT:
1577 case MONO_TYPE_SZARRAY:
1578 case MONO_TYPE_ARRAY:
1579 return CEE_STIND_REF;
1582 return CEE_STIND_I8;
1584 return CEE_STIND_R4;
1586 return CEE_STIND_R8;
1587 case MONO_TYPE_VALUETYPE:
1588 if (type->data.klass->enumtype) {
1589 type = type->data.klass->enum_basetype;
1593 case MONO_TYPE_TYPEDBYREF:
1595 case MONO_TYPE_GENERICINST:
1596 type = &type->data.generic_class->container_class->byval_arg;
1599 g_error ("unknown type 0x%02x in type_to_stind", type->type);
1605 emit_ptr_to_object_conv (MonoMethodBuilder *mb, MonoType *type, MonoMarshalConv conv, MonoMarshalSpec *mspec)
1608 case MONO_MARSHAL_CONV_BOOL_I4:
1609 mono_mb_emit_ldloc (mb, 1);
1610 mono_mb_emit_ldloc (mb, 0);
1611 mono_mb_emit_byte (mb, CEE_LDIND_I4);
1612 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
1613 mono_mb_emit_byte (mb, 3);
1614 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
1615 mono_mb_emit_byte (mb, CEE_BR_S);
1616 mono_mb_emit_byte (mb, 1);
1617 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
1618 mono_mb_emit_byte (mb, CEE_STIND_I1);
1620 case MONO_MARSHAL_CONV_BOOL_VARIANTBOOL:
1621 mono_mb_emit_ldloc (mb, 1);
1622 mono_mb_emit_ldloc (mb, 0);
1623 mono_mb_emit_byte (mb, CEE_LDIND_I2);
1624 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
1625 mono_mb_emit_byte (mb, 3);
1626 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
1627 mono_mb_emit_byte (mb, CEE_BR_S);
1628 mono_mb_emit_byte (mb, 1);
1629 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
1630 mono_mb_emit_byte (mb, CEE_STIND_I1);
1632 case MONO_MARSHAL_CONV_ARRAY_BYVALARRAY: {
1633 MonoClass *eklass = NULL;
1636 if (type->type == MONO_TYPE_SZARRAY) {
1637 eklass = type->data.klass;
1639 g_assert_not_reached ();
1642 esize = mono_class_native_size (eklass, NULL);
1644 /* create a new array */
1645 mono_mb_emit_ldloc (mb, 1);
1646 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1647 mono_mb_emit_op (mb, CEE_NEWARR, eklass);
1648 mono_mb_emit_byte (mb, CEE_STIND_I);
1650 if (eklass->blittable) {
1651 /* copy the elements */
1652 mono_mb_emit_ldloc (mb, 1);
1653 mono_mb_emit_byte (mb, CEE_LDIND_I);
1654 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArray, vector));
1655 mono_mb_emit_byte (mb, CEE_ADD);
1656 mono_mb_emit_ldloc (mb, 0);
1657 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem * esize);
1658 mono_mb_emit_byte (mb, CEE_PREFIX1);
1659 mono_mb_emit_byte (mb, CEE_CPBLK);
1662 int array_var, src_var, dst_var, index_var;
1663 guint32 label2, label3;
1665 array_var = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
1666 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1667 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1670 mono_mb_emit_ldloc (mb, 1);
1671 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1672 mono_mb_emit_stloc (mb, array_var);
1674 /* save the old src pointer */
1675 mono_mb_emit_ldloc (mb, 0);
1676 mono_mb_emit_stloc (mb, src_var);
1677 /* save the old dst pointer */
1678 mono_mb_emit_ldloc (mb, 1);
1679 mono_mb_emit_stloc (mb, dst_var);
1681 /* Emit marshalling loop */
1682 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1683 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
1684 mono_mb_emit_stloc (mb, index_var);
1688 mono_mb_emit_ldloc (mb, index_var);
1689 mono_mb_emit_ldloc (mb, array_var);
1690 mono_mb_emit_byte (mb, CEE_LDLEN);
1691 label3 = mono_mb_emit_branch (mb, CEE_BGE);
1693 /* src is already set */
1696 mono_mb_emit_ldloc (mb, array_var);
1697 mono_mb_emit_ldloc (mb, index_var);
1698 mono_mb_emit_op (mb, CEE_LDELEMA, eklass);
1699 mono_mb_emit_stloc (mb, 1);
1701 /* Do the conversion */
1702 emit_struct_conv (mb, eklass, TRUE);
1705 mono_mb_emit_add_to_local (mb, index_var, 1);
1707 mono_mb_emit_byte (mb, CEE_BR);
1708 mono_mb_emit_i4 (mb, label2 - (mb->pos + 4));
1710 mono_mb_patch_branch (mb, label3);
1712 /* restore the old src pointer */
1713 mono_mb_emit_ldloc (mb, src_var);
1714 mono_mb_emit_stloc (mb, 0);
1715 /* restore the old dst pointer */
1716 mono_mb_emit_ldloc (mb, dst_var);
1717 mono_mb_emit_stloc (mb, 1);
1721 case MONO_MARSHAL_CONV_ARRAY_BYVALCHARARRAY: {
1722 MonoClass *eclass = mono_defaults.char_class;
1724 /* create a new array */
1725 mono_mb_emit_ldloc (mb, 1);
1726 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1727 mono_mb_emit_op (mb, CEE_NEWARR, eclass);
1728 mono_mb_emit_byte (mb, CEE_STIND_REF);
1730 mono_mb_emit_ldloc (mb, 1);
1731 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1732 mono_mb_emit_ldloc (mb, 0);
1733 mono_mb_emit_ptr (mb, mono_defaults.byte_class);
1734 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1735 mono_mb_emit_icall (mb, mono_byvalarray_to_array);
1738 case MONO_MARSHAL_CONV_STR_BYVALSTR:
1739 mono_mb_emit_ldloc (mb, 1);
1740 mono_mb_emit_ldloc (mb, 0);
1741 mono_mb_emit_icall (mb, mono_string_new_wrapper);
1742 mono_mb_emit_byte (mb, CEE_STIND_REF);
1744 case MONO_MARSHAL_CONV_STR_BYVALWSTR:
1745 mono_mb_emit_ldloc (mb, 1);
1746 mono_mb_emit_ldloc (mb, 0);
1747 mono_mb_emit_icall (mb, mono_string_from_utf16);
1748 mono_mb_emit_byte (mb, CEE_STIND_REF);
1750 case MONO_MARSHAL_CONV_STR_LPTSTR:
1751 case MONO_MARSHAL_CONV_STR_LPSTR:
1752 mono_mb_emit_ldloc (mb, 1);
1753 mono_mb_emit_ldloc (mb, 0);
1754 mono_mb_emit_byte (mb, CEE_LDIND_I);
1755 mono_mb_emit_icall (mb, mono_string_new_wrapper);
1756 mono_mb_emit_byte (mb, CEE_STIND_REF);
1758 case MONO_MARSHAL_CONV_STR_LPWSTR:
1759 mono_mb_emit_ldloc (mb, 1);
1760 mono_mb_emit_ldloc (mb, 0);
1761 mono_mb_emit_byte (mb, CEE_LDIND_I);
1762 mono_mb_emit_icall (mb, mono_string_from_utf16);
1763 mono_mb_emit_byte (mb, CEE_STIND_REF);
1765 case MONO_MARSHAL_CONV_OBJECT_STRUCT: {
1766 MonoClass *klass = mono_class_from_mono_type (type);
1767 int src_var, dst_var;
1769 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1770 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1772 /* *dst = new object */
1773 mono_mb_emit_ldloc (mb, 1);
1774 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1775 mono_mb_emit_op (mb, CEE_MONO_NEWOBJ, klass);
1776 mono_mb_emit_byte (mb, CEE_STIND_REF);
1778 /* save the old src pointer */
1779 mono_mb_emit_ldloc (mb, 0);
1780 mono_mb_emit_stloc (mb, src_var);
1781 /* save the old dst pointer */
1782 mono_mb_emit_ldloc (mb, 1);
1783 mono_mb_emit_stloc (mb, dst_var);
1785 /* dst = pointer to newly created object data */
1786 mono_mb_emit_ldloc (mb, 1);
1787 mono_mb_emit_byte (mb, CEE_LDIND_I);
1788 mono_mb_emit_icon (mb, sizeof (MonoObject));
1789 mono_mb_emit_byte (mb, CEE_ADD);
1790 mono_mb_emit_stloc (mb, 1);
1792 emit_struct_conv (mb, klass, TRUE);
1794 /* restore the old src pointer */
1795 mono_mb_emit_ldloc (mb, src_var);
1796 mono_mb_emit_stloc (mb, 0);
1797 /* restore the old dst pointer */
1798 mono_mb_emit_ldloc (mb, dst_var);
1799 mono_mb_emit_stloc (mb, 1);
1802 case MONO_MARSHAL_CONV_DEL_FTN: {
1803 MonoClass *klass = mono_class_from_mono_type (type);
1805 mono_mb_emit_ldloc (mb, 1);
1806 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1807 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
1808 mono_mb_emit_ldloc (mb, 0);
1809 mono_mb_emit_byte (mb, CEE_LDIND_I);
1810 mono_mb_emit_icall (mb, mono_ftnptr_to_delegate);
1811 mono_mb_emit_byte (mb, CEE_STIND_REF);
1814 case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
1815 g_error ("Structure field of type %s can't be marshalled as LPArray", mono_class_from_mono_type (type)->name);
1817 case MONO_MARSHAL_CONV_OBJECT_INTERFACE:
1818 case MONO_MARSHAL_CONV_OBJECT_IUNKNOWN:
1819 case MONO_MARSHAL_CONV_OBJECT_IDISPATCH: {
1820 static MonoClass* com_interop_proxy_class = NULL;
1821 static MonoMethod* com_interop_proxy_get_proxy = NULL;
1822 static MonoMethod* get_transparent_proxy = NULL;
1824 guint32 pos_failed = 0;
1825 MonoClass *klass = mono_class_from_mono_type (type);
1827 mono_mb_emit_ldloc (mb, 1);
1828 mono_mb_emit_byte (mb, CEE_LDNULL);
1829 mono_mb_emit_byte (mb, CEE_STIND_REF);
1831 mono_mb_emit_ldloc (mb, 0);
1832 mono_mb_emit_byte (mb, CEE_LDIND_I);
1833 pos_failed = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
1835 if (!com_interop_proxy_class)
1836 com_interop_proxy_class = mono_class_from_name (mono_defaults.corlib, "Mono.Interop", "ComInteropProxy");
1837 if (!com_interop_proxy_get_proxy)
1838 com_interop_proxy_get_proxy = mono_class_get_method_from_name_flags (com_interop_proxy_class, "GetProxy", 2, METHOD_ATTRIBUTE_PRIVATE);
1839 if (!get_transparent_proxy)
1840 get_transparent_proxy = mono_class_get_method_from_name (mono_defaults.real_proxy_class, "GetTransparentProxy", 0);
1842 real_proxy = mono_mb_add_local (mb, &com_interop_proxy_class->byval_arg);
1844 mono_mb_emit_ldloc (mb, 0);
1845 mono_mb_emit_byte (mb, CEE_LDIND_I);
1846 mono_mb_emit_ptr (mb, &mono_defaults.com_object_class->byval_arg);
1847 mono_mb_emit_icall (mb, type_from_handle);
1848 mono_mb_emit_managed_call (mb, com_interop_proxy_get_proxy, NULL);
1849 mono_mb_emit_stloc (mb, real_proxy);
1852 mono_mb_emit_ldloc (mb, 1);
1853 mono_mb_emit_ldloc (mb, real_proxy);
1854 mono_mb_emit_managed_call (mb, get_transparent_proxy, NULL);
1855 if (klass && klass != mono_defaults.object_class)
1856 mono_mb_emit_op (mb, CEE_CASTCLASS, klass);
1857 mono_mb_emit_byte (mb, CEE_STIND_REF);
1860 mono_mb_patch_short_branch (mb, pos_failed);
1864 case MONO_MARSHAL_CONV_SAFEHANDLE: {
1866 * Passing SafeHandles as ref does not allow the unmanaged code
1867 * to change the SafeHandle value. If the value is changed,
1868 * we should issue a diagnostic exception (NotSupportedException)
1869 * that informs the user that changes to handles in unmanaged code
1872 * Since we currently have no access to the original
1873 * SafeHandle that was used during the marshalling,
1874 * for now we just ignore this, and ignore/discard any
1875 * changes that might have happened to the handle.
1880 case MONO_MARSHAL_CONV_STR_BSTR:
1881 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
1882 case MONO_MARSHAL_CONV_STR_TBSTR:
1883 case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
1885 g_warning ("marshaling conversion %d not implemented", conv);
1886 g_assert_not_reached ();
1891 conv_to_icall (MonoMarshalConv conv)
1894 case MONO_MARSHAL_CONV_STR_LPWSTR:
1895 return mono_marshal_string_to_utf16;
1896 case MONO_MARSHAL_CONV_LPWSTR_STR:
1897 return mono_string_from_utf16;
1898 case MONO_MARSHAL_CONV_LPSTR_STR:
1899 return mono_string_new_wrapper;
1900 case MONO_MARSHAL_CONV_STR_LPTSTR:
1901 case MONO_MARSHAL_CONV_STR_LPSTR:
1902 return mono_string_to_lpstr;
1903 case MONO_MARSHAL_CONV_STR_BSTR:
1904 return mono_string_to_bstr;
1905 case MONO_MARSHAL_CONV_BSTR_STR:
1906 return mono_string_from_bstr;
1907 case MONO_MARSHAL_CONV_STR_TBSTR:
1908 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
1909 return mono_string_to_ansibstr;
1910 case MONO_MARSHAL_CONV_SB_LPSTR:
1911 case MONO_MARSHAL_CONV_SB_LPTSTR:
1912 return mono_string_builder_to_utf8;
1913 case MONO_MARSHAL_CONV_SB_LPWSTR:
1914 return mono_string_builder_to_utf16;
1915 case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
1916 return mono_array_to_savearray;
1917 case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
1918 return mono_array_to_lparray;
1919 case MONO_MARSHAL_CONV_DEL_FTN:
1920 return mono_delegate_to_ftnptr;
1921 case MONO_MARSHAL_CONV_FTN_DEL:
1922 return mono_ftnptr_to_delegate;
1923 case MONO_MARSHAL_CONV_LPSTR_SB:
1924 case MONO_MARSHAL_CONV_LPTSTR_SB:
1925 return mono_string_utf8_to_builder;
1926 case MONO_MARSHAL_CONV_LPWSTR_SB:
1927 return mono_string_utf16_to_builder;
1928 case MONO_MARSHAL_FREE_ARRAY:
1929 return mono_marshal_free_array;
1930 case MONO_MARSHAL_CONV_STR_BYVALSTR:
1931 return mono_string_to_byvalstr;
1932 case MONO_MARSHAL_CONV_STR_BYVALWSTR:
1933 return mono_string_to_byvalwstr;
1935 g_assert_not_reached ();
1942 emit_object_to_ptr_conv (MonoMethodBuilder *mb, MonoType *type, MonoMarshalConv conv, MonoMarshalSpec *mspec)
1947 case MONO_MARSHAL_CONV_BOOL_I4:
1948 mono_mb_emit_ldloc (mb, 1);
1949 mono_mb_emit_ldloc (mb, 0);
1950 mono_mb_emit_byte (mb, CEE_LDIND_U1);
1951 mono_mb_emit_byte (mb, CEE_STIND_I4);
1953 case MONO_MARSHAL_CONV_BOOL_VARIANTBOOL:
1954 mono_mb_emit_ldloc (mb, 1);
1955 mono_mb_emit_ldloc (mb, 0);
1956 mono_mb_emit_byte (mb, CEE_LDIND_U1);
1957 mono_mb_emit_byte (mb, CEE_NEG);
1958 mono_mb_emit_byte (mb, CEE_STIND_I2);
1960 case MONO_MARSHAL_CONV_STR_LPWSTR:
1961 case MONO_MARSHAL_CONV_STR_LPSTR:
1962 case MONO_MARSHAL_CONV_STR_LPTSTR:
1963 case MONO_MARSHAL_CONV_STR_BSTR:
1964 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
1965 case MONO_MARSHAL_CONV_STR_TBSTR: {
1968 /* free space if free == true */
1969 mono_mb_emit_ldloc (mb, 2);
1970 pos = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
1971 mono_mb_emit_ldloc (mb, 1);
1972 mono_mb_emit_byte (mb, CEE_LDIND_I);
1973 mono_mb_emit_icall (mb, g_free);
1974 mono_mb_patch_short_branch (mb, pos);
1976 mono_mb_emit_ldloc (mb, 1);
1977 mono_mb_emit_ldloc (mb, 0);
1978 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1979 mono_mb_emit_icall (mb, conv_to_icall (conv));
1980 mono_mb_emit_byte (mb, CEE_STIND_I);
1983 case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
1984 case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
1985 case MONO_MARSHAL_CONV_DEL_FTN:
1986 mono_mb_emit_ldloc (mb, 1);
1987 mono_mb_emit_ldloc (mb, 0);
1988 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1989 mono_mb_emit_icall (mb, conv_to_icall (conv));
1990 mono_mb_emit_byte (mb, CEE_STIND_I);
1992 case MONO_MARSHAL_CONV_STR_BYVALSTR:
1993 case MONO_MARSHAL_CONV_STR_BYVALWSTR: {
1996 mono_mb_emit_ldloc (mb, 1); /* dst */
1997 mono_mb_emit_ldloc (mb, 0);
1998 mono_mb_emit_byte (mb, CEE_LDIND_REF); /* src String */
1999 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
2000 mono_mb_emit_icall (mb, conv_to_icall (conv));
2003 case MONO_MARSHAL_CONV_ARRAY_BYVALARRAY: {
2004 MonoClass *eklass = NULL;
2007 if (type->type == MONO_TYPE_SZARRAY) {
2008 eklass = type->data.klass;
2010 g_assert_not_reached ();
2013 if (eklass->valuetype)
2014 esize = mono_class_native_size (eklass, NULL);
2016 esize = sizeof (gpointer);
2018 mono_mb_emit_ldloc (mb, 0);
2019 mono_mb_emit_byte (mb, CEE_LDIND_REF);
2020 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
2022 if (eklass->blittable) {
2023 mono_mb_emit_ldloc (mb, 1);
2024 mono_mb_emit_ldloc (mb, 0);
2025 mono_mb_emit_byte (mb, CEE_LDIND_REF);
2026 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoArray, vector));
2027 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem * esize);
2028 mono_mb_emit_byte (mb, CEE_PREFIX1);
2029 mono_mb_emit_byte (mb, CEE_CPBLK);
2031 int array_var, src_var, dst_var, index_var;
2032 guint32 label2, label3;
2034 array_var = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
2035 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2036 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2039 mono_mb_emit_ldloc (mb, 0);
2040 mono_mb_emit_byte (mb, CEE_LDIND_REF);
2041 mono_mb_emit_stloc (mb, array_var);
2043 /* save the old src pointer */
2044 mono_mb_emit_ldloc (mb, 0);
2045 mono_mb_emit_stloc (mb, src_var);
2046 /* save the old dst pointer */
2047 mono_mb_emit_ldloc (mb, 1);
2048 mono_mb_emit_stloc (mb, dst_var);
2050 /* Emit marshalling loop */
2051 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2052 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
2053 mono_mb_emit_stloc (mb, index_var);
2057 mono_mb_emit_ldloc (mb, index_var);
2058 mono_mb_emit_ldloc (mb, array_var);
2059 mono_mb_emit_byte (mb, CEE_LDLEN);
2060 label3 = mono_mb_emit_branch (mb, CEE_BGE);
2063 mono_mb_emit_ldloc (mb, array_var);
2064 mono_mb_emit_ldloc (mb, index_var);
2065 mono_mb_emit_op (mb, CEE_LDELEMA, eklass);
2066 mono_mb_emit_stloc (mb, 0);
2068 /* dst is already set */
2070 /* Do the conversion */
2071 emit_struct_conv (mb, eklass, FALSE);
2074 mono_mb_emit_add_to_local (mb, index_var, 1);
2076 mono_mb_emit_byte (mb, CEE_BR);
2077 mono_mb_emit_i4 (mb, label2 - (mb->pos + 4));
2079 mono_mb_patch_branch (mb, label3);
2081 /* restore the old src pointer */
2082 mono_mb_emit_ldloc (mb, src_var);
2083 mono_mb_emit_stloc (mb, 0);
2084 /* restore the old dst pointer */
2085 mono_mb_emit_ldloc (mb, dst_var);
2086 mono_mb_emit_stloc (mb, 1);
2089 mono_mb_patch_branch (mb, pos);
2092 case MONO_MARSHAL_CONV_ARRAY_BYVALCHARARRAY: {
2093 mono_mb_emit_ldloc (mb, 0);
2094 mono_mb_emit_byte (mb, CEE_LDIND_REF);
2095 pos = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
2097 mono_mb_emit_ldloc (mb, 1);
2098 mono_mb_emit_ldloc (mb, 0);
2099 mono_mb_emit_byte (mb, CEE_LDIND_REF);
2100 mono_mb_emit_ptr (mb, mono_defaults.byte_class);
2101 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
2102 mono_mb_emit_icall (mb, mono_array_to_byvalarray);
2103 mono_mb_patch_short_branch (mb, pos);
2106 case MONO_MARSHAL_CONV_OBJECT_STRUCT: {
2107 int src_var, dst_var;
2109 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2110 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2112 mono_mb_emit_ldloc (mb, 0);
2113 mono_mb_emit_byte (mb, CEE_LDIND_I);
2114 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
2116 /* save the old src pointer */
2117 mono_mb_emit_ldloc (mb, 0);
2118 mono_mb_emit_stloc (mb, src_var);
2119 /* save the old dst pointer */
2120 mono_mb_emit_ldloc (mb, 1);
2121 mono_mb_emit_stloc (mb, dst_var);
2123 /* src = pointer to object data */
2124 mono_mb_emit_ldloc (mb, 0);
2125 mono_mb_emit_byte (mb, CEE_LDIND_I);
2126 mono_mb_emit_icon (mb, sizeof (MonoObject));
2127 mono_mb_emit_byte (mb, CEE_ADD);
2128 mono_mb_emit_stloc (mb, 0);
2130 emit_struct_conv (mb, mono_class_from_mono_type (type), FALSE);
2132 /* restore the old src pointer */
2133 mono_mb_emit_ldloc (mb, src_var);
2134 mono_mb_emit_stloc (mb, 0);
2135 /* restore the old dst pointer */
2136 mono_mb_emit_ldloc (mb, dst_var);
2137 mono_mb_emit_stloc (mb, 1);
2139 mono_mb_patch_branch (mb, pos);
2142 case MONO_MARSHAL_CONV_OBJECT_INTERFACE:
2143 case MONO_MARSHAL_CONV_OBJECT_IDISPATCH:
2144 case MONO_MARSHAL_CONV_OBJECT_IUNKNOWN: {
2145 guint32 pos_failed = 0, pos_rcw = 0;
2148 mono_mb_emit_ldloc (mb, 1);
2149 //mono_mb_emit_ldloc (mb, 0);
2150 mono_mb_emit_ptr (mb, 0);
2151 //mono_mb_emit_byte (mb, CEE_LDIND_U1);
2152 mono_mb_emit_byte (mb, CEE_STIND_I);
2154 mono_mb_emit_ldloc (mb, 0);
2155 mono_mb_emit_byte (mb, CEE_LDIND_REF);
2157 // if null just break, dst was already inited to 0
2158 pos_failed = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
2160 mono_mb_emit_ldloc (mb, 0);
2161 mono_mb_emit_byte (mb, CEE_LDIND_REF);
2162 mono_mb_emit_icall (mb, cominterop_object_is_rcw);
2163 pos_rcw = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
2165 // load dst to store later
2166 mono_mb_emit_ldloc (mb, 1);
2169 mono_mb_emit_ldloc (mb, 0);
2170 mono_mb_emit_byte (mb, CEE_LDIND_REF);
2171 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
2172 mono_mb_emit_byte (mb, CEE_LDIND_REF);
2174 /* load the RCW from the ComInteropProxy*/
2175 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoComInteropProxy, com_object));
2176 mono_mb_emit_byte (mb, CEE_LDIND_REF);
2178 if (conv == MONO_MARSHAL_CONV_OBJECT_INTERFACE) {
2179 static MonoMethod* GetInterface = NULL;
2182 GetInterface = mono_class_get_method_from_name (mono_defaults.com_object_class, "GetInterface", 1);
2183 mono_mb_emit_ptr (mb, type);
2184 mono_mb_emit_icall (mb, type_from_handle);
2185 mono_mb_emit_managed_call (mb, GetInterface, NULL);
2187 else if (conv == MONO_MARSHAL_CONV_OBJECT_IUNKNOWN) {
2188 static MonoProperty* iunknown = NULL;
2191 iunknown = mono_class_get_property_from_name (mono_defaults.com_object_class, "IUnknown");
2192 mono_mb_emit_managed_call (mb, iunknown->get, NULL);
2194 else if (conv == MONO_MARSHAL_CONV_OBJECT_IDISPATCH) {
2195 static MonoProperty* idispatch = NULL;
2198 idispatch = mono_class_get_property_from_name (mono_defaults.com_object_class, "IDispatch");
2199 mono_mb_emit_managed_call (mb, idispatch->get, NULL);
2203 mono_mb_emit_byte (mb, CEE_STIND_I);
2206 mono_mb_patch_short_branch (mb, pos_rcw);
2207 msg = g_strdup ("Marshalling of COM Callable Wrappers is not yet implemented.");
2208 mono_mb_emit_exception_marshal_directive (mb, msg);
2211 mono_mb_patch_short_branch (mb, pos_failed);
2215 case MONO_MARSHAL_CONV_SAFEHANDLE: {
2216 int dar_release_slot;
2218 dar_release_slot = mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
2221 * The following is ifdefed-out, because I have no way of doing the
2222 * DangerousRelease when destroying the structure
2225 /* set release = false */
2226 mono_mb_emit_icon (mb, 0);
2227 mono_mb_emit_stloc (mb, dar_release_slot);
2228 if (!sh_dangerous_add_ref)
2229 init_safe_handle ();
2231 /* safehandle.DangerousAddRef (ref release) */
2232 mono_mb_emit_ldloc (mb, 0); /* the source */
2233 mono_mb_emit_byte (mb, CEE_LDIND_I);
2234 mono_mb_emit_ldloc_addr (mb, dar_release_slot);
2235 mono_mb_emit_managed_call (mb, sh_dangerous_add_ref, NULL);
2238 /* Pull the handle field from SafeHandle */
2239 mono_mb_emit_ldloc (mb, 1);
2240 mono_mb_emit_ldloc (mb, 0);
2241 mono_mb_emit_byte (mb, CEE_LDIND_I);
2242 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoSafeHandle, handle));
2243 mono_mb_emit_byte (mb, CEE_LDIND_I);
2244 mono_mb_emit_byte (mb, CEE_STIND_I);
2248 char *msg = g_strdup_printf ("marshalling conversion %d not implemented", conv);
2249 MonoException *exc = mono_get_exception_not_implemented (msg);
2252 mono_raise_exception (exc);
2258 emit_struct_conv (MonoMethodBuilder *mb, MonoClass *klass, gboolean to_object)
2260 MonoMarshalType *info;
2264 emit_struct_conv(mb, klass->parent, to_object);
2266 info = mono_marshal_load_type_info (klass);
2268 if (info->native_size == 0)
2271 if (klass->blittable) {
2272 int msize = mono_class_value_size (klass, NULL);
2273 g_assert (msize == info->native_size);
2274 mono_mb_emit_ldloc (mb, 1);
2275 mono_mb_emit_ldloc (mb, 0);
2276 mono_mb_emit_icon (mb, msize);
2277 mono_mb_emit_byte (mb, CEE_PREFIX1);
2278 mono_mb_emit_byte (mb, CEE_CPBLK);
2280 mono_mb_emit_add_to_local (mb, 0, msize);
2281 mono_mb_emit_add_to_local (mb, 1, msize);
2285 for (i = 0; i < info->num_fields; i++) {
2286 MonoMarshalNative ntype;
2287 MonoMarshalConv conv;
2288 MonoType *ftype = info->fields [i].field->type;
2291 gboolean last_field = i < (info->num_fields -1) ? 0 : 1;
2293 if (ftype->attrs & FIELD_ATTRIBUTE_STATIC)
2296 ntype = mono_type_to_unmanaged (ftype, info->fields [i].mspec, TRUE, klass->unicode, &conv);
2299 msize = klass->instance_size - info->fields [i].field->offset;
2300 usize = info->native_size - info->fields [i].offset;
2302 msize = info->fields [i + 1].field->offset - info->fields [i].field->offset;
2303 usize = info->fields [i + 1].offset - info->fields [i].offset;
2306 if (klass != mono_defaults.safehandle_class){
2308 * FIXME: Should really check for usize==0 and msize>0, but we apply
2309 * the layout to the managed structure as well.
2312 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) && (usize == 0)) {
2313 if (MONO_TYPE_IS_REFERENCE (info->fields [i].field->type) ||
2314 ((!last_field && MONO_TYPE_IS_REFERENCE (info->fields [i + 1].field->type))))
2315 g_error ("Type %s which has an [ExplicitLayout] attribute cannot have a "
2316 "reference field at the same offset as another field.",
2317 mono_type_full_name (&klass->byval_arg));
2320 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT)
2321 g_error ("Type %s which is passed to unmanaged code must have a StructLayout attribute",
2322 mono_type_full_name (&klass->byval_arg));
2327 case MONO_MARSHAL_CONV_NONE: {
2330 if (ftype->byref || ftype->type == MONO_TYPE_I ||
2331 ftype->type == MONO_TYPE_U) {
2332 mono_mb_emit_ldloc (mb, 1);
2333 mono_mb_emit_ldloc (mb, 0);
2334 mono_mb_emit_byte (mb, CEE_LDIND_I);
2335 mono_mb_emit_byte (mb, CEE_STIND_I);
2346 case MONO_TYPE_BOOLEAN:
2349 case MONO_TYPE_CHAR:
2355 mono_mb_emit_ldloc (mb, 1);
2356 mono_mb_emit_ldloc (mb, 0);
2357 mono_mb_emit_byte (mb, mono_type_to_ldind (ftype));
2358 mono_mb_emit_byte (mb, mono_type_to_stind (ftype));
2360 case MONO_TYPE_VALUETYPE: {
2361 int src_var, dst_var;
2363 if (ftype->data.klass->enumtype) {
2364 ftype = ftype->data.klass->enum_basetype;
2368 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2369 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2371 /* save the old src pointer */
2372 mono_mb_emit_ldloc (mb, 0);
2373 mono_mb_emit_stloc (mb, src_var);
2374 /* save the old dst pointer */
2375 mono_mb_emit_ldloc (mb, 1);
2376 mono_mb_emit_stloc (mb, dst_var);
2378 emit_struct_conv (mb, ftype->data.klass, to_object);
2380 /* restore the old src pointer */
2381 mono_mb_emit_ldloc (mb, src_var);
2382 mono_mb_emit_stloc (mb, 0);
2383 /* restore the old dst pointer */
2384 mono_mb_emit_ldloc (mb, dst_var);
2385 mono_mb_emit_stloc (mb, 1);
2388 case MONO_TYPE_OBJECT: {
2390 static MonoMethod *variant_clear = NULL;
2391 static MonoMethod *get_object_for_native_variant = NULL;
2393 variant_clear = mono_class_get_method_from_name (mono_defaults.variant_class, "Clear", 0);
2394 if (!get_object_for_native_variant)
2395 get_object_for_native_variant = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetObjectForNativeVariant", 1);
2396 mono_mb_emit_ldloc (mb, 1);
2397 mono_mb_emit_ldloc (mb, 0);
2398 mono_mb_emit_managed_call (mb, get_object_for_native_variant, NULL);
2399 mono_mb_emit_byte (mb, CEE_STIND_REF);
2401 mono_mb_emit_ldloc (mb, 0);
2402 mono_mb_emit_managed_call (mb, variant_clear, NULL);
2405 static MonoMethod *get_native_variant_for_object = NULL;
2407 if (!get_native_variant_for_object)
2408 get_native_variant_for_object = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetNativeVariantForObject", 2);
2410 mono_mb_emit_ldloc (mb, 0);
2411 mono_mb_emit_byte(mb, CEE_LDIND_REF);
2412 mono_mb_emit_ldloc (mb, 1);
2413 mono_mb_emit_managed_call (mb, get_native_variant_for_object, NULL);
2419 g_warning ("marshaling type %02x not implemented", ftype->type);
2420 g_assert_not_reached ();
2425 int src_var, dst_var;
2427 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2428 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2430 /* save the old src pointer */
2431 mono_mb_emit_ldloc (mb, 0);
2432 mono_mb_emit_stloc (mb, src_var);
2433 /* save the old dst pointer */
2434 mono_mb_emit_ldloc (mb, 1);
2435 mono_mb_emit_stloc (mb, dst_var);
2438 emit_ptr_to_object_conv (mb, ftype, conv, info->fields [i].mspec);
2440 emit_object_to_ptr_conv (mb, ftype, conv, info->fields [i].mspec);
2442 /* restore the old src pointer */
2443 mono_mb_emit_ldloc (mb, src_var);
2444 mono_mb_emit_stloc (mb, 0);
2445 /* restore the old dst pointer */
2446 mono_mb_emit_ldloc (mb, dst_var);
2447 mono_mb_emit_stloc (mb, 1);
2452 mono_mb_emit_add_to_local (mb, 0, usize);
2453 mono_mb_emit_add_to_local (mb, 1, msize);
2455 mono_mb_emit_add_to_local (mb, 0, msize);
2456 mono_mb_emit_add_to_local (mb, 1, usize);
2462 emit_struct_free (MonoMethodBuilder *mb, MonoClass *klass, int struct_var)
2464 /* Call DestroyStructure */
2465 /* FIXME: Only do this if needed */
2466 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2467 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
2468 mono_mb_emit_ldloc (mb, struct_var);
2469 mono_mb_emit_icall (mb, mono_struct_delete_old);
2473 emit_thread_interrupt_checkpoint_call (MonoMethodBuilder *mb, gpointer checkpoint_func)
2477 mono_mb_emit_ptr (mb, (gpointer) mono_thread_interruption_request_flag ());
2478 mono_mb_emit_byte (mb, CEE_LDIND_U4);
2479 pos_noabort = mono_mb_emit_branch (mb, CEE_BRFALSE);
2481 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2482 mono_mb_emit_byte (mb, CEE_MONO_NOT_TAKEN);
2484 mono_mb_emit_icall (mb, checkpoint_func);
2486 mono_mb_patch_addr (mb, pos_noabort, mb->pos - (pos_noabort + 4));
2490 emit_thread_interrupt_checkpoint (MonoMethodBuilder *mb)
2492 if (strstr (mb->name, "mono_thread_interruption_checkpoint"))
2495 emit_thread_interrupt_checkpoint_call (mb, mono_thread_interruption_checkpoint);
2499 emit_thread_force_interrupt_checkpoint (MonoMethodBuilder *mb)
2501 emit_thread_interrupt_checkpoint_call (mb, mono_thread_force_interruption_checkpoint);
2504 static MonoAsyncResult *
2505 mono_delegate_begin_invoke (MonoDelegate *delegate, gpointer *params)
2507 MonoMethodMessage *msg;
2508 MonoDelegate *async_callback;
2512 MonoMethod *method = NULL, *method2 = NULL;
2514 g_assert (delegate);
2516 if (delegate->target && mono_object_class (delegate->target) == mono_defaults.transparent_proxy_class) {
2518 MonoTransparentProxy* tp = (MonoTransparentProxy *)delegate->target;
2519 if (!tp->remote_class->proxy_class->contextbound || tp->rp->context != (MonoObject *) mono_context_get ()) {
2521 /* If the target is a proxy, make a direct call. Is proxy's work
2522 // to make the call asynchronous.
2524 MonoAsyncResult *ares;
2526 MonoArray *out_args;
2528 method = delegate->method_info->method;
2530 msg = mono_method_call_message_new (mono_marshal_method_from_wrapper (method), params, NULL, &async_callback, &state);
2531 handle = CreateEvent (NULL, TRUE, FALSE, NULL);
2532 g_assert(handle != NULL);
2533 ares = mono_async_result_new (mono_domain_get (), handle, state, handle, NULL);
2534 MONO_OBJECT_SETREF (ares, async_delegate, (MonoObject *)delegate);
2535 MONO_OBJECT_SETREF (ares, async_callback, (MonoObject *)async_callback);
2536 MONO_OBJECT_SETREF (msg, async_result, ares);
2537 msg->call_type = CallType_BeginInvoke;
2539 mono_remoting_invoke ((MonoObject *)tp->rp, msg, &exc, &out_args);
2544 klass = delegate->object.vtable->klass;
2546 method = mono_get_delegate_invoke (klass);
2547 method2 = mono_class_get_method_from_name (klass, "BeginInvoke", -1);
2550 g_assert (method != NULL);
2552 im = mono_get_delegate_invoke (method->klass);
2553 msg = mono_method_call_message_new (method, params, im, &async_callback, &state);
2555 return mono_thread_pool_add ((MonoObject *)delegate, msg, async_callback, state);
2559 mono_mb_emit_save_args (MonoMethodBuilder *mb, MonoMethodSignature *sig, gboolean save_this)
2561 int i, params_var, tmp_var;
2563 /* allocate local (pointer) *params[] */
2564 params_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2565 /* allocate local (pointer) tmp */
2566 tmp_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2568 /* alloate space on stack to store an array of pointers to the arguments */
2569 mono_mb_emit_icon (mb, sizeof (gpointer) * (sig->param_count + 1));
2570 mono_mb_emit_byte (mb, CEE_PREFIX1);
2571 mono_mb_emit_byte (mb, CEE_LOCALLOC);
2572 mono_mb_emit_stloc (mb, params_var);
2575 mono_mb_emit_ldloc (mb, params_var);
2576 mono_mb_emit_stloc (mb, tmp_var);
2578 if (save_this && sig->hasthis) {
2579 mono_mb_emit_ldloc (mb, tmp_var);
2580 mono_mb_emit_ldarg_addr (mb, 0);
2581 mono_mb_emit_byte (mb, CEE_STIND_I);
2582 /* tmp = tmp + sizeof (gpointer) */
2583 if (sig->param_count)
2584 mono_mb_emit_add_to_local (mb, tmp_var, sizeof (gpointer));
2588 for (i = 0; i < sig->param_count; i++) {
2589 mono_mb_emit_ldloc (mb, tmp_var);
2590 mono_mb_emit_ldarg_addr (mb, i + sig->hasthis);
2591 mono_mb_emit_byte (mb, CEE_STIND_I);
2592 /* tmp = tmp + sizeof (gpointer) */
2593 if (i < (sig->param_count - 1))
2594 mono_mb_emit_add_to_local (mb, tmp_var, sizeof (gpointer));
2601 mono_signature_to_name (MonoMethodSignature *sig, const char *prefix)
2605 GString *res = g_string_new ("");
2608 g_string_append (res, prefix);
2609 g_string_append_c (res, '_');
2612 mono_type_get_desc (res, sig->ret, FALSE);
2614 for (i = 0; i < sig->param_count; ++i) {
2615 g_string_append_c (res, '_');
2616 mono_type_get_desc (res, sig->params [i], FALSE);
2619 g_string_free (res, FALSE);
2624 * mono_marshal_get_string_encoding:
2626 * Return the string encoding which should be used for a given parameter.
2628 static MonoMarshalNative
2629 mono_marshal_get_string_encoding (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
2631 /* First try the parameter marshal info */
2633 if (spec->native == MONO_NATIVE_LPARRAY) {
2634 if ((spec->data.array_data.elem_type != 0) && (spec->data.array_data.elem_type != MONO_NATIVE_MAX))
2635 return spec->data.array_data.elem_type;
2638 return spec->native;
2642 return MONO_NATIVE_LPSTR;
2644 /* Then try the method level marshal info */
2645 switch (piinfo->piflags & PINVOKE_ATTRIBUTE_CHAR_SET_MASK) {
2646 case PINVOKE_ATTRIBUTE_CHAR_SET_ANSI:
2647 return MONO_NATIVE_LPSTR;
2648 case PINVOKE_ATTRIBUTE_CHAR_SET_UNICODE:
2649 return MONO_NATIVE_LPWSTR;
2650 case PINVOKE_ATTRIBUTE_CHAR_SET_AUTO:
2651 #ifdef PLATFORM_WIN32
2652 return MONO_NATIVE_LPWSTR;
2654 return MONO_NATIVE_LPSTR;
2657 return MONO_NATIVE_LPSTR;
2661 static MonoMarshalConv
2662 mono_marshal_get_string_to_ptr_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
2664 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
2667 case MONO_NATIVE_LPWSTR:
2668 return MONO_MARSHAL_CONV_STR_LPWSTR;
2669 case MONO_NATIVE_LPSTR:
2670 return MONO_MARSHAL_CONV_STR_LPSTR;
2671 case MONO_NATIVE_LPTSTR:
2672 return MONO_MARSHAL_CONV_STR_LPTSTR;
2673 case MONO_NATIVE_BSTR:
2674 return MONO_MARSHAL_CONV_STR_BSTR;
2680 static MonoMarshalConv
2681 mono_marshal_get_stringbuilder_to_ptr_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
2683 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
2686 case MONO_NATIVE_LPWSTR:
2687 return MONO_MARSHAL_CONV_SB_LPWSTR;
2689 case MONO_NATIVE_LPSTR:
2690 return MONO_MARSHAL_CONV_SB_LPSTR;
2692 case MONO_NATIVE_LPTSTR:
2693 return MONO_MARSHAL_CONV_SB_LPTSTR;
2700 static MonoMarshalConv
2701 mono_marshal_get_ptr_to_string_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec, gboolean *need_free)
2703 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
2708 case MONO_NATIVE_LPWSTR:
2709 return MONO_MARSHAL_CONV_LPWSTR_STR;
2710 case MONO_NATIVE_LPSTR:
2711 return MONO_MARSHAL_CONV_LPSTR_STR;
2712 case MONO_NATIVE_LPTSTR:
2713 return MONO_MARSHAL_CONV_LPTSTR_STR;
2714 case MONO_NATIVE_BSTR:
2715 return MONO_MARSHAL_CONV_BSTR_STR;
2721 static MonoMarshalConv
2722 mono_marshal_get_ptr_to_stringbuilder_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec, gboolean *need_free)
2724 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
2729 case MONO_NATIVE_LPWSTR:
2731 * mono_string_builder_to_utf16 does not allocate a
2732 * new buffer, so no need to free it.
2735 return MONO_MARSHAL_CONV_LPWSTR_SB;
2736 case MONO_NATIVE_LPSTR:
2737 return MONO_MARSHAL_CONV_LPSTR_SB;
2739 case MONO_NATIVE_LPTSTR:
2740 return MONO_MARSHAL_CONV_LPTSTR_SB;
2748 * Return whenever a field of a native structure or an array member needs to
2752 mono_marshal_need_free (MonoType *t, MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
2754 MonoMarshalNative encoding;
2755 MonoMarshalConv conv;
2758 case MONO_TYPE_VALUETYPE:
2759 /* FIXME: Optimize this */
2761 case MONO_TYPE_OBJECT:
2762 case MONO_TYPE_CLASS:
2763 if (t->data.klass == mono_defaults.stringbuilder_class) {
2765 conv = mono_marshal_get_ptr_to_stringbuilder_conv (piinfo, spec, &need_free);
2769 case MONO_TYPE_STRING:
2770 encoding = mono_marshal_get_string_encoding (piinfo, spec);
2771 return (encoding == MONO_NATIVE_LPWSTR) ? FALSE : TRUE;
2777 static inline MonoMethod*
2778 mono_marshal_find_in_cache (GHashTable *cache, gpointer key)
2782 mono_marshal_lock ();
2783 res = g_hash_table_lookup (cache, key);
2784 mono_marshal_unlock ();
2788 /* Create the method from the builder and place it in the cache */
2789 static inline MonoMethod*
2790 mono_mb_create_and_cache (GHashTable *cache, gpointer key,
2791 MonoMethodBuilder *mb, MonoMethodSignature *sig,
2796 mono_loader_lock ();
2797 mono_marshal_lock ();
2798 res = g_hash_table_lookup (cache, key);
2800 /* This does not acquire any locks */
2801 res = mono_mb_create_method (mb, sig, max_stack);
2802 g_hash_table_insert (cache, key, res);
2803 g_hash_table_insert (wrapper_hash, res, key);
2805 mono_marshal_unlock ();
2806 mono_loader_unlock ();
2812 static inline MonoMethod*
2813 mono_marshal_remoting_find_in_cache (MonoMethod *method, int wrapper_type)
2815 MonoMethod *res = NULL;
2816 MonoRemotingMethods *wrps;
2818 mono_marshal_lock ();
2819 wrps = g_hash_table_lookup (method->klass->image->remoting_invoke_cache, method);
2822 switch (wrapper_type) {
2823 case MONO_WRAPPER_REMOTING_INVOKE: res = wrps->invoke; break;
2824 case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK: res = wrps->invoke_with_check; break;
2825 case MONO_WRAPPER_XDOMAIN_INVOKE: res = wrps->xdomain_invoke; break;
2826 case MONO_WRAPPER_XDOMAIN_DISPATCH: res = wrps->xdomain_dispatch; break;
2830 mono_marshal_unlock ();
2834 /* Create the method from the builder and place it in the cache */
2835 static inline MonoMethod*
2836 mono_remoting_mb_create_and_cache (MonoMethod *key, MonoMethodBuilder *mb,
2837 MonoMethodSignature *sig, int max_stack)
2839 MonoMethod **res = NULL;
2840 MonoRemotingMethods *wrps;
2841 GHashTable *cache = key->klass->image->remoting_invoke_cache;
2843 mono_loader_lock ();
2844 mono_marshal_lock ();
2845 wrps = g_hash_table_lookup (cache, key);
2847 wrps = g_new0 (MonoRemotingMethods, 1);
2848 g_hash_table_insert (cache, key, wrps);
2851 switch (mb->method->wrapper_type) {
2852 case MONO_WRAPPER_REMOTING_INVOKE: res = &wrps->invoke; break;
2853 case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK: res = &wrps->invoke_with_check; break;
2854 case MONO_WRAPPER_XDOMAIN_INVOKE: res = &wrps->xdomain_invoke; break;
2855 case MONO_WRAPPER_XDOMAIN_DISPATCH: res = &wrps->xdomain_dispatch; break;
2856 default: g_assert_not_reached (); break;
2860 /* This does not acquire any locks */
2861 *res = mono_mb_create_method (mb, sig, max_stack);
2862 g_hash_table_insert (wrapper_hash, *res, key);
2865 mono_marshal_unlock ();
2866 mono_loader_unlock ();
2872 mono_marshal_method_from_wrapper (MonoMethod *wrapper)
2876 if (wrapper->wrapper_type == MONO_WRAPPER_NONE)
2879 mono_marshal_lock ();
2880 res = g_hash_table_lookup (wrapper_hash, wrapper);
2881 mono_marshal_unlock ();
2886 mono_marshal_get_delegate_begin_invoke (MonoMethod *method)
2888 MonoMethodSignature *sig;
2889 MonoMethodBuilder *mb;
2895 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
2896 !strcmp (method->name, "BeginInvoke"));
2898 sig = signature_no_pinvoke (method);
2900 cache = method->klass->image->delegate_begin_invoke_cache;
2901 if ((res = mono_marshal_find_in_cache (cache, sig)))
2904 g_assert (sig->hasthis);
2906 name = mono_signature_to_name (sig, "begin_invoke");
2907 mb = mono_mb_new (mono_defaults.multicastdelegate_class, name, MONO_WRAPPER_DELEGATE_BEGIN_INVOKE);
2910 mb->method->save_lmf = 1;
2912 params_var = mono_mb_emit_save_args (mb, sig, FALSE);
2914 mono_mb_emit_ldarg (mb, 0);
2915 mono_mb_emit_ldloc (mb, params_var);
2916 mono_mb_emit_icall (mb, mono_delegate_begin_invoke);
2917 emit_thread_interrupt_checkpoint (mb);
2918 mono_mb_emit_byte (mb, CEE_RET);
2920 res = mono_mb_create_and_cache (cache, sig, mb, sig, sig->param_count + 16);
2926 mono_delegate_end_invoke (MonoDelegate *delegate, gpointer *params)
2928 MonoDomain *domain = mono_domain_get ();
2929 MonoAsyncResult *ares;
2930 MonoMethod *method = NULL;
2931 MonoMethodSignature *sig;
2932 MonoMethodMessage *msg;
2933 MonoObject *res, *exc;
2934 MonoArray *out_args;
2937 g_assert (delegate);
2939 if (!delegate->method_info || !delegate->method_info->method)
2940 g_assert_not_reached ();
2942 klass = delegate->object.vtable->klass;
2944 method = mono_class_get_method_from_name (klass, "EndInvoke", -1);
2945 g_assert (method != NULL);
2947 sig = signature_no_pinvoke (method);
2949 msg = mono_method_call_message_new (method, params, NULL, NULL, NULL);
2951 ares = mono_array_get (msg->args, gpointer, sig->param_count - 1);
2954 if (delegate->target && mono_object_class (delegate->target) == mono_defaults.transparent_proxy_class) {
2955 MonoTransparentProxy* tp = (MonoTransparentProxy *)delegate->target;
2956 msg = (MonoMethodMessage *)mono_object_new (domain, mono_defaults.mono_method_message_class);
2957 mono_message_init (domain, msg, delegate->method_info, NULL);
2958 msg->call_type = CallType_EndInvoke;
2959 MONO_OBJECT_SETREF (msg, async_result, ares);
2960 res = mono_remoting_invoke ((MonoObject *)tp->rp, msg, &exc, &out_args);
2962 res = mono_thread_pool_finish (ares, &out_args, &exc);
2966 if (((MonoException*)exc)->stack_trace) {
2967 char *strace = mono_string_to_utf8 (((MonoException*)exc)->stack_trace);
2969 tmp = g_strdup_printf ("%s\nException Rethrown at:\n", strace);
2971 MONO_OBJECT_SETREF (((MonoException*)exc), stack_trace, mono_string_new (domain, tmp));
2974 mono_raise_exception ((MonoException*)exc);
2977 mono_method_return_message_restore (method, params, out_args);
2982 mono_mb_emit_restore_result (MonoMethodBuilder *mb, MonoType *return_type)
2984 MonoType *t = mono_type_get_underlying_type (return_type);
2986 if (return_type->byref)
2987 return_type = &mono_defaults.int_class->byval_arg;
2990 case MONO_TYPE_VOID:
2991 g_assert_not_reached ();
2994 case MONO_TYPE_STRING:
2995 case MONO_TYPE_CLASS:
2996 case MONO_TYPE_OBJECT:
2997 case MONO_TYPE_ARRAY:
2998 case MONO_TYPE_SZARRAY:
3002 case MONO_TYPE_BOOLEAN:
3005 case MONO_TYPE_CHAR:
3015 mono_mb_emit_op (mb, CEE_UNBOX, mono_class_from_mono_type (return_type));
3016 mono_mb_emit_byte (mb, mono_type_to_ldind (return_type));
3018 case MONO_TYPE_GENERICINST:
3019 if (!mono_type_generic_inst_is_valuetype (return_type))
3022 case MONO_TYPE_VALUETYPE: {
3023 MonoClass *klass = mono_class_from_mono_type (return_type);
3024 mono_mb_emit_op (mb, CEE_UNBOX, klass);
3025 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
3029 g_warning ("type 0x%x not handled", return_type->type);
3030 g_assert_not_reached ();
3033 mono_mb_emit_byte (mb, CEE_RET);
3037 mono_marshal_get_delegate_end_invoke (MonoMethod *method)
3039 MonoMethodSignature *sig;
3040 MonoMethodBuilder *mb;
3046 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
3047 !strcmp (method->name, "EndInvoke"));
3049 sig = signature_no_pinvoke (method);
3051 cache = method->klass->image->delegate_end_invoke_cache;
3052 if ((res = mono_marshal_find_in_cache (cache, sig)))
3055 g_assert (sig->hasthis);
3057 name = mono_signature_to_name (sig, "end_invoke");
3058 mb = mono_mb_new (mono_defaults.multicastdelegate_class, name, MONO_WRAPPER_DELEGATE_END_INVOKE);
3061 mb->method->save_lmf = 1;
3063 params_var = mono_mb_emit_save_args (mb, sig, FALSE);
3065 mono_mb_emit_ldarg (mb, 0);
3066 mono_mb_emit_ldloc (mb, params_var);
3067 mono_mb_emit_icall (mb, mono_delegate_end_invoke);
3068 emit_thread_interrupt_checkpoint (mb);
3070 if (sig->ret->type == MONO_TYPE_VOID) {
3071 mono_mb_emit_byte (mb, CEE_POP);
3072 mono_mb_emit_byte (mb, CEE_RET);
3074 mono_mb_emit_restore_result (mb, sig->ret);
3076 res = mono_mb_create_and_cache (cache, sig,
3077 mb, sig, sig->param_count + 16);
3084 mono_remoting_wrapper (MonoMethod *method, gpointer *params)
3086 MonoMethodMessage *msg;
3087 MonoTransparentProxy *this;
3088 MonoObject *res, *exc;
3089 MonoArray *out_args;
3091 this = *((MonoTransparentProxy **)params [0]);
3094 g_assert (((MonoObject *)this)->vtable->klass == mono_defaults.transparent_proxy_class);
3096 /* skip the this pointer */
3099 if (this->remote_class->proxy_class->contextbound && this->rp->context == (MonoObject *) mono_context_get ())
3102 MonoMethodSignature *sig = mono_method_signature (method);
3103 int count = sig->param_count;
3104 gpointer* mparams = (gpointer*) alloca(count*sizeof(gpointer));
3106 for (i=0; i<count; i++) {
3107 MonoClass *class = mono_class_from_mono_type (sig->params [i]);
3108 if (class->valuetype) {
3109 if (sig->params [i]->byref)
3110 mparams[i] = *((gpointer *)params [i]);
3112 mparams[i] = params [i];
3114 mparams[i] = *((gpointer**)params [i]);
3118 return mono_runtime_invoke (method, method->klass->valuetype? mono_object_unbox ((MonoObject*)this): this, mparams, NULL);
3121 msg = mono_method_call_message_new (method, params, NULL, NULL, NULL);
3123 res = mono_remoting_invoke ((MonoObject *)this->rp, msg, &exc, &out_args);
3126 mono_raise_exception ((MonoException *)exc);
3128 mono_method_return_message_restore (method, params, out_args);
3134 * cominterop_get_native_wrapper_adjusted:
3135 * @method: managed COM Interop method
3137 * Returns: the generated method to call with signature matching
3138 * the unmanaged COM Method signature
3141 cominterop_get_native_wrapper_adjusted (MonoMethod *method)
3144 MonoMethodBuilder *mb_native;
3145 MonoMarshalSpec **mspecs;
3146 MonoMethodSignature *sig, *sig_native;
3147 MonoMethodPInvoke *piinfo = (MonoMethodPInvoke *) method;
3150 sig = mono_method_signature (method);
3152 // create unmanaged wrapper
3153 mb_native = mono_mb_new (method->klass, method->name, MONO_WRAPPER_MANAGED_TO_NATIVE);
3154 sig_native = signature_cominterop (method->klass->image, sig);
3156 mspecs = g_new (MonoMarshalSpec*, sig_native->param_count+1);
3157 memset (mspecs, 0, sizeof(MonoMarshalSpec*)*(sig_native->param_count+1));
3159 mono_method_get_marshal_info (method, mspecs);
3161 // move managed args up one
3162 for (i = sig->param_count; i >= 1; i--)
3163 mspecs[i+1] = mspecs[i];
3165 // first arg is IntPtr for interface
3168 // move return spec to last param
3169 if (!MONO_TYPE_IS_VOID (sig->ret))
3170 mspecs[sig_native->param_count] = mspecs[0];
3174 mono_marshal_emit_native_wrapper(mono_defaults.corlib, mb_native, sig_native, piinfo, mspecs, piinfo->addr);
3176 mono_loader_lock ();
3177 mono_marshal_lock ();
3178 res = mono_mb_create_method (mb_native, sig_native, sig_native->param_count + 16);
3179 mono_marshal_unlock ();
3180 mono_loader_unlock ();
3182 mono_mb_free (mb_native);
3184 for (i = sig_native->param_count; i >= 0; i--)
3186 mono_metadata_free_marshal_spec (mspecs [i]);
3193 * cominterop_get_native_wrapper:
3194 * @method: managed method
3196 * Returns: the generated method to call
3199 cominterop_get_native_wrapper (MonoMethod *method)
3203 MonoMethodBuilder *mb;
3204 MonoMethodSignature *sig, *csig;
3208 cache = method->klass->image->cominterop_wrapper_cache;
3209 if ((res = mono_marshal_find_in_cache (cache, method)))
3212 sig = mono_method_signature (method);
3213 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_COMINTEROP);
3215 /* if method klass is import, that means method
3216 * is really a com call. let interop system emit it.
3218 if (MONO_CLASS_IS_IMPORT(method->klass)) {
3219 /* FIXME: we have to call actual class .ctor
3220 * instead of just __ComObject .ctor.
3222 if (!strcmp(method->name, ".ctor")) {
3223 static MonoMethod *ctor = NULL;
3226 ctor = mono_class_get_method_from_name (mono_defaults.com_object_class, ".ctor", 0);
3227 mono_mb_emit_ldarg (mb, 0);
3228 mono_mb_emit_managed_call (mb, ctor, NULL);
3229 mono_mb_emit_byte (mb, CEE_RET);
3232 static MonoMethod * ThrowExceptionForHR = NULL;
3233 static MonoMethod * GetInterface = NULL;
3234 MonoMethod *adjusted_method;
3240 GetInterface = mono_class_get_method_from_name (mono_defaults.com_object_class, "GetInterface", 1);
3242 // add local variables
3243 hr = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
3244 ptr_this = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
3245 if (!MONO_TYPE_IS_VOID (sig->ret))
3246 retval = mono_mb_add_local (mb, sig->ret);
3248 // get the type for the interface the method is defined on
3249 // and then get the underlying COM interface for that type
3250 mono_mb_emit_ldarg (mb, 0);
3251 mono_mb_emit_ptr (mb, method);
3252 mono_mb_emit_icall (mb, cominterop_get_method_interface);
3253 mono_mb_emit_managed_call (mb, GetInterface, NULL);
3254 mono_mb_emit_stloc (mb, ptr_this);
3256 // arg 1 is unmanaged this pointer
3257 mono_mb_emit_ldloc (mb, ptr_this);
3260 for (i = 1; i <= sig->param_count; i++)
3261 mono_mb_emit_ldarg (mb, i);
3263 // push managed return value as byref last argument
3264 if (!MONO_TYPE_IS_VOID (sig->ret))
3265 mono_mb_emit_ldloc_addr (mb, retval);
3267 adjusted_method = cominterop_get_native_wrapper_adjusted (method);
3268 mono_mb_emit_managed_call (mb, adjusted_method, NULL);
3270 // store HRESULT to check
3271 mono_mb_emit_stloc (mb, hr);
3273 if (!ThrowExceptionForHR)
3274 ThrowExceptionForHR = mono_class_get_method_from_name (mono_defaults.marshal_class, "ThrowExceptionForHR", 1);
3275 mono_mb_emit_ldloc (mb, hr);
3276 mono_mb_emit_managed_call (mb, ThrowExceptionForHR, NULL);
3278 // load return value managed is expecting
3279 if (!MONO_TYPE_IS_VOID (sig->ret))
3280 mono_mb_emit_ldloc (mb, retval);
3282 mono_mb_emit_byte (mb, CEE_RET);
3287 /* Does this case ever get hit? */
3289 char *msg = g_strdup ("non imported interfaces on \
3290 imported classes is not yet implemented.");
3291 mono_mb_emit_exception (mb, "NotSupportedException", msg);
3293 csig = signature_dup (method->klass->image, sig);
3295 res = mono_mb_create_and_cache (cache, method,
3296 mb, csig, csig->param_count + 16);
3302 * cominterop_get_invoke:
3303 * @method: managed method
3305 * Returns: the generated method that calls the underlying __ComObject
3306 * rather than the proxy object.
3309 cominterop_get_invoke (MonoMethod *method)
3311 MonoMethodSignature *sig;
3312 MonoMethodBuilder *mb;
3315 GHashTable* cache = method->klass->image->cominterop_invoke_cache;
3319 if ((res = mono_marshal_find_in_cache (cache, method)))
3322 sig = signature_no_pinvoke (method);
3324 /* we cant remote methods without this pointer */
3328 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_COMINTEROP_INVOKE);
3330 /* get real proxy object, which is a ComInteropProxy in this case*/
3331 temp_obj = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3332 mono_mb_emit_ldarg (mb, 0);
3333 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
3334 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3336 /* load the RCW from the ComInteropProxy*/
3337 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoComInteropProxy, com_object));
3338 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3340 /* load args and make the call on the RCW */
3341 for (i = 1; i <= sig->param_count; i++)
3342 mono_mb_emit_ldarg (mb, i);
3344 if (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) {
3345 MonoMethod * native_wrapper = cominterop_get_native_wrapper(method);
3346 mono_mb_emit_managed_call (mb, native_wrapper, NULL);
3349 if (method->flags & METHOD_ATTRIBUTE_VIRTUAL)
3350 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
3352 mono_mb_emit_op (mb, CEE_CALL, method);
3355 if (!strcmp(method->name, ".ctor")) {
3356 static MonoClass *com_interop_proxy_class = NULL;
3357 static MonoMethod *cache_proxy = NULL;
3359 if (!com_interop_proxy_class)
3360 com_interop_proxy_class = mono_class_from_name (mono_defaults.corlib, "Mono.Interop", "ComInteropProxy");
3362 cache_proxy = mono_class_get_method_from_name (com_interop_proxy_class, "CacheProxy", 0);
3364 mono_mb_emit_ldarg (mb, 0);
3365 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
3366 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3367 mono_mb_emit_managed_call (mb, cache_proxy, NULL);
3370 emit_thread_interrupt_checkpoint (mb);
3372 mono_mb_emit_byte (mb, CEE_RET);
3374 res = mono_mb_create_and_cache (cache, method, mb, sig, sig->param_count + 16);
3381 mono_marshal_get_remoting_invoke (MonoMethod *method)
3383 MonoMethodSignature *sig;
3384 MonoMethodBuilder *mb;
3390 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE || method->wrapper_type == MONO_WRAPPER_XDOMAIN_INVOKE)
3393 /* this seems to be the best plase to put this, as all remoting invokes seem to get filtered through here */
3394 if ((method->klass->is_com_object || method->klass == mono_defaults.com_object_class) && !mono_class_vtable (mono_domain_get (), method->klass)->remote)
3395 return cominterop_get_invoke(method);
3397 sig = signature_no_pinvoke (method);
3399 /* we cant remote methods without this pointer */
3403 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_REMOTING_INVOKE)))
3406 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_REMOTING_INVOKE);
3407 mb->method->save_lmf = 1;
3409 params_var = mono_mb_emit_save_args (mb, sig, TRUE);
3411 mono_mb_emit_ptr (mb, method);
3412 mono_mb_emit_ldloc (mb, params_var);
3413 mono_mb_emit_icall (mb, mono_remoting_wrapper);
3414 emit_thread_interrupt_checkpoint (mb);
3416 if (sig->ret->type == MONO_TYPE_VOID) {
3417 mono_mb_emit_byte (mb, CEE_POP);
3418 mono_mb_emit_byte (mb, CEE_RET);
3420 mono_mb_emit_restore_result (mb, sig->ret);
3423 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16);
3429 /* mono_get_xdomain_marshal_type()
3430 * Returns the kind of marshalling that a type needs for cross domain calls.
3432 static MonoXDomainMarshalType
3433 mono_get_xdomain_marshal_type (MonoType *t)
3436 case MONO_TYPE_VOID:
3437 g_assert_not_reached ();
3441 case MONO_TYPE_BOOLEAN:
3444 case MONO_TYPE_CHAR:
3451 return MONO_MARSHAL_NONE;
3452 case MONO_TYPE_STRING:
3453 return MONO_MARSHAL_COPY;
3454 case MONO_TYPE_ARRAY:
3455 case MONO_TYPE_SZARRAY: {
3456 MonoClass *elem_class = mono_class_from_mono_type (t)->element_class;
3457 if (mono_get_xdomain_marshal_type (&(elem_class->byval_arg)) != MONO_MARSHAL_SERIALIZE)
3458 return MONO_MARSHAL_COPY;
3463 if (mono_class_from_mono_type (t) == mono_defaults.stringbuilder_class)
3464 return MONO_MARSHAL_COPY;
3466 return MONO_MARSHAL_SERIALIZE;
3470 /* mono_marshal_xdomain_copy_value
3471 * Makes a copy of "val" suitable for the current domain.
3474 mono_marshal_xdomain_copy_value (MonoObject *val)
3477 if (val == NULL) return NULL;
3479 domain = mono_domain_get ();
3481 switch (mono_object_class (val)->byval_arg.type) {
3482 case MONO_TYPE_VOID:
3483 g_assert_not_reached ();
3487 case MONO_TYPE_BOOLEAN:
3490 case MONO_TYPE_CHAR:
3496 case MONO_TYPE_R8: {
3497 return mono_value_box (domain, mono_object_class (val), ((char*)val) + sizeof(MonoObject));
3499 case MONO_TYPE_STRING: {
3500 MonoString *str = (MonoString *) val;
3501 return (MonoObject *) mono_string_new_utf16 (domain, mono_string_chars (str), mono_string_length (str));
3503 case MONO_TYPE_ARRAY:
3504 case MONO_TYPE_SZARRAY: {
3506 MonoXDomainMarshalType mt = mono_get_xdomain_marshal_type (&(mono_object_class (val)->element_class->byval_arg));
3507 if (mt == MONO_MARSHAL_SERIALIZE) return NULL;
3508 acopy = mono_array_clone_in_domain (domain, (MonoArray *) val);
3509 if (mt == MONO_MARSHAL_COPY) {
3510 int i, len = mono_array_length (acopy);
3511 for (i = 0; i < len; i++) {
3512 MonoObject *item = mono_array_get (acopy, gpointer, i);
3513 mono_array_setref (acopy, i, mono_marshal_xdomain_copy_value (item));
3516 return (MonoObject *) acopy;
3520 if (mono_object_class (val) == mono_defaults.stringbuilder_class) {
3521 MonoStringBuilder *oldsb = (MonoStringBuilder *) val;
3522 MonoStringBuilder *newsb = (MonoStringBuilder *) mono_object_new (domain, mono_defaults.stringbuilder_class);
3523 MONO_OBJECT_SETREF (newsb, str, mono_string_new_utf16 (domain, mono_string_chars (oldsb->str), mono_string_length (oldsb->str)));
3524 newsb->length = oldsb->length;
3525 newsb->max_capacity = (gint32)0x7fffffff;
3526 return (MonoObject *) newsb;
3531 /* mono_marshal_xdomain_copy_out_value()
3532 * Copies the contents of the src instance into the dst instance. src and dst
3533 * must have the same type, and if they are arrays, the same size.
3536 mono_marshal_xdomain_copy_out_value (MonoObject *src, MonoObject *dst)
3538 if (src == NULL || dst == NULL) return;
3540 g_assert (mono_object_class (src) == mono_object_class (dst));
3542 switch (mono_object_class (src)->byval_arg.type) {
3543 case MONO_TYPE_ARRAY:
3544 case MONO_TYPE_SZARRAY: {
3545 int mt = mono_get_xdomain_marshal_type (&(mono_object_class (src)->element_class->byval_arg));
3546 if (mt == MONO_MARSHAL_SERIALIZE) return;
3547 if (mt == MONO_MARSHAL_COPY) {
3548 int i, len = mono_array_length ((MonoArray *)dst);
3549 for (i = 0; i < len; i++) {
3550 MonoObject *item = mono_array_get ((MonoArray *)src, gpointer, i);
3551 mono_array_setref ((MonoArray *)dst, i, mono_marshal_xdomain_copy_value (item));
3554 mono_array_full_copy ((MonoArray *)src, (MonoArray *)dst);
3560 if (mono_object_class (src) == mono_defaults.stringbuilder_class) {
3561 MonoStringBuilder *src_sb = (MonoStringBuilder *) src;
3562 MonoStringBuilder *dst_sb = (MonoStringBuilder *) dst;
3564 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)));
3565 dst_sb->cached_str = NULL;
3566 dst_sb->length = src_sb->length;
3571 mono_marshal_emit_xdomain_copy_value (MonoMethodBuilder *mb, MonoClass *pclass)
3573 mono_mb_emit_icall (mb, mono_marshal_xdomain_copy_value);
3574 mono_mb_emit_op (mb, CEE_CASTCLASS, pclass);
3578 mono_marshal_emit_xdomain_copy_out_value (MonoMethodBuilder *mb, MonoClass *pclass)
3580 mono_mb_emit_icall (mb, mono_marshal_xdomain_copy_out_value);
3583 /* mono_marshal_supports_fast_xdomain()
3584 * Returns TRUE if the method can use the fast xdomain wrapper.
3587 mono_marshal_supports_fast_xdomain (MonoMethod *method)
3589 return !method->klass->contextbound &&
3590 !((method->flags & METHOD_ATTRIBUTE_SPECIAL_NAME) && (strcmp (".ctor", method->name) == 0));
3594 mono_marshal_set_domain_by_id (gint32 id, MonoBoolean push)
3596 MonoDomain *current_domain = mono_domain_get ();
3597 MonoDomain *domain = mono_domain_get_by_id (id);
3599 if (!domain || !mono_domain_set (domain, FALSE))
3600 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
3603 mono_thread_push_appdomain_ref (domain);
3605 mono_thread_pop_appdomain_ref ();
3607 return current_domain->domain_id;
3611 mono_marshal_emit_switch_domain (MonoMethodBuilder *mb)
3613 mono_mb_emit_icall (mb, mono_marshal_set_domain_by_id);
3616 /* mono_marshal_emit_load_domain_method ()
3617 * Loads into the stack a pointer to the code of the provided method for
3618 * the current domain.
3621 mono_marshal_emit_load_domain_method (MonoMethodBuilder *mb, MonoMethod *method)
3623 /* We need a pointer to the method for the running domain (not the domain
3624 * that compiles the method).
3626 mono_mb_emit_ptr (mb, method);
3627 mono_mb_emit_icall (mb, mono_compile_method);
3630 /* mono_marshal_check_domain_image ()
3631 * Returns TRUE if the image is loaded in the specified
3632 * application domain.
3635 mono_marshal_check_domain_image (gint32 domain_id, MonoImage *image)
3640 MonoDomain *domain = mono_domain_get_by_id (domain_id);
3644 mono_domain_assemblies_lock (domain);
3645 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
3647 if (ass->image == image)
3650 mono_domain_assemblies_unlock (domain);
3655 /* mono_marshal_get_xappdomain_dispatch ()
3656 * Generates a method that dispatches a method call from another domain into
3657 * the current domain.
3660 mono_marshal_get_xappdomain_dispatch (MonoMethod *method, int *marshal_types, int complex_count, int complex_out_count, int ret_marshal_type)
3662 MonoMethodSignature *sig, *csig;
3663 MonoMethodBuilder *mb;
3665 int i, j, param_index, copy_locals_base;
3666 MonoClass *ret_class = NULL;
3667 int loc_array=0, loc_return=0, loc_serialized_exc=0;
3668 MonoExceptionClause *main_clause;
3669 MonoMethodHeader *header;
3671 gboolean copy_return;
3673 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_XDOMAIN_DISPATCH)))
3676 sig = mono_method_signature (method);
3677 copy_return = (sig->ret->type != MONO_TYPE_VOID && ret_marshal_type != MONO_MARSHAL_SERIALIZE);
3680 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3 + sig->param_count - complex_count);
3681 csig->params [j++] = &mono_defaults.object_class->byval_arg;
3682 csig->params [j++] = &byte_array_class->this_arg;
3683 csig->params [j++] = &byte_array_class->this_arg;
3684 for (i = 0; i < sig->param_count; i++) {
3685 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE)
3686 csig->params [j++] = sig->params [i];
3689 csig->ret = sig->ret;
3691 csig->ret = &mono_defaults.void_class->byval_arg;
3693 csig->hasthis = FALSE;
3695 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_XDOMAIN_DISPATCH);
3696 mb->method->save_lmf = 1;
3700 loc_serialized_exc = mono_mb_add_local (mb, &byte_array_class->byval_arg);
3701 if (complex_count > 0)
3702 loc_array = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3703 if (sig->ret->type != MONO_TYPE_VOID) {
3704 loc_return = mono_mb_add_local (mb, sig->ret);
3705 ret_class = mono_class_from_mono_type (sig->ret);
3710 main_clause = g_new0 (MonoExceptionClause, 1);
3711 main_clause->try_offset = mb->pos;
3713 /* Clean the call context */
3715 mono_mb_emit_byte (mb, CEE_LDNULL);
3716 mono_mb_emit_managed_call (mb, method_set_call_context, NULL);
3717 mono_mb_emit_byte (mb, CEE_POP);
3719 /* Deserialize call data */
3721 mono_mb_emit_ldarg (mb, 1);
3722 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3723 mono_mb_emit_byte (mb, CEE_DUP);
3724 pos = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
3726 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
3727 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
3729 if (complex_count > 0)
3730 mono_mb_emit_stloc (mb, loc_array);
3732 mono_mb_emit_byte (mb, CEE_POP);
3734 mono_mb_patch_addr_s (mb, pos, mb->pos - (pos + 1));
3736 /* Get the target object */
3738 mono_mb_emit_ldarg (mb, 0);
3739 mono_mb_emit_managed_call (mb, method_rs_appdomain_target, NULL);
3741 /* Load the arguments */
3743 copy_locals_base = mb->locals;
3744 param_index = 3; // Index of the first non-serialized parameter of this wrapper
3746 for (i = 0; i < sig->param_count; i++) {
3747 MonoType *pt = sig->params [i];
3748 MonoClass *pclass = mono_class_from_mono_type (pt);
3749 switch (marshal_types [i]) {
3750 case MONO_MARSHAL_SERIALIZE: {
3751 /* take the value from the serialized array */
3752 mono_mb_emit_ldloc (mb, loc_array);
3753 mono_mb_emit_icon (mb, j++);
3755 if (pclass->valuetype) {
3756 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3757 mono_mb_emit_op (mb, CEE_UNBOX, pclass);
3759 mono_mb_emit_op (mb, CEE_LDELEMA, pclass);
3762 if (pclass->valuetype) {
3763 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3764 mono_mb_emit_op (mb, CEE_UNBOX, pclass);
3765 mono_mb_emit_op (mb, CEE_LDOBJ, pclass);
3767 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3768 if (pclass != mono_defaults.object_class) {
3769 mono_mb_emit_op (mb, CEE_CASTCLASS, pclass);
3775 case MONO_MARSHAL_COPY_OUT: {
3776 /* Keep a local copy of the value since we need to copy it back after the call */
3777 int copy_local = mono_mb_add_local (mb, &(pclass->byval_arg));
3778 mono_mb_emit_ldarg (mb, param_index++);
3779 mono_marshal_emit_xdomain_copy_value (mb, pclass);
3780 mono_mb_emit_byte (mb, CEE_DUP);
3781 mono_mb_emit_stloc (mb, copy_local);
3784 case MONO_MARSHAL_COPY: {
3785 mono_mb_emit_ldarg (mb, param_index);
3787 mono_mb_emit_byte (mb, CEE_DUP);
3788 mono_mb_emit_byte (mb, CEE_DUP);
3789 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3790 mono_marshal_emit_xdomain_copy_value (mb, pclass);
3791 mono_mb_emit_byte (mb, CEE_STIND_REF);
3793 mono_marshal_emit_xdomain_copy_value (mb, pclass);
3798 case MONO_MARSHAL_NONE:
3799 mono_mb_emit_ldarg (mb, param_index++);
3804 /* Make the call to the real object */
3806 emit_thread_force_interrupt_checkpoint (mb);
3808 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
3810 if (sig->ret->type != MONO_TYPE_VOID)
3811 mono_mb_emit_stloc (mb, loc_return);
3813 /* copy back MONO_MARSHAL_COPY_OUT parameters */
3817 for (i = 0; i < sig->param_count; i++) {
3818 if (marshal_types [i] == MONO_MARSHAL_SERIALIZE) continue;
3819 if (marshal_types [i] == MONO_MARSHAL_COPY_OUT) {
3820 mono_mb_emit_ldloc (mb, copy_locals_base + (j++));
3821 mono_mb_emit_ldarg (mb, param_index);
3822 mono_marshal_emit_xdomain_copy_out_value (mb, mono_class_from_mono_type (sig->params [i]));
3827 /* Serialize the return values */
3829 if (complex_out_count > 0) {
3830 /* Reset parameters in the array that don't need to be serialized back */
3832 for (i = 0; i < sig->param_count; i++) {
3833 if (marshal_types[i] != MONO_MARSHAL_SERIALIZE) continue;
3834 if (!sig->params [i]->byref) {
3835 mono_mb_emit_ldloc (mb, loc_array);
3836 mono_mb_emit_icon (mb, j);
3837 mono_mb_emit_byte (mb, CEE_LDNULL);
3838 mono_mb_emit_byte (mb, CEE_STELEM_REF);
3843 /* Add the return value to the array */
3845 if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
3846 mono_mb_emit_ldloc (mb, loc_array);
3847 mono_mb_emit_icon (mb, complex_count); /* The array has an additional slot to hold the ret value */
3848 mono_mb_emit_ldloc (mb, loc_return);
3849 if (ret_class->valuetype) {
3850 mono_mb_emit_op (mb, CEE_BOX, ret_class);
3852 mono_mb_emit_byte (mb, CEE_STELEM_REF);
3857 mono_mb_emit_ldarg (mb, 1);
3858 mono_mb_emit_ldloc (mb, loc_array);
3859 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3860 mono_mb_emit_byte (mb, CEE_STIND_REF);
3861 } else if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
3862 mono_mb_emit_ldarg (mb, 1);
3863 mono_mb_emit_ldloc (mb, loc_return);
3864 if (ret_class->valuetype) {
3865 mono_mb_emit_op (mb, CEE_BOX, ret_class);
3867 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3868 mono_mb_emit_byte (mb, CEE_STIND_REF);
3870 mono_mb_emit_ldarg (mb, 1);
3871 mono_mb_emit_byte (mb, CEE_LDNULL);
3872 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3873 mono_mb_emit_byte (mb, CEE_STIND_REF);
3876 mono_mb_emit_ldarg (mb, 2);
3877 mono_mb_emit_byte (mb, CEE_LDNULL);
3878 mono_mb_emit_byte (mb, CEE_STIND_REF);
3879 pos_leave = mono_mb_emit_branch (mb, CEE_LEAVE);
3881 /* Main exception catch */
3882 main_clause->flags = MONO_EXCEPTION_CLAUSE_NONE;
3883 main_clause->try_len = mb->pos - main_clause->try_offset;
3884 main_clause->data.catch_class = mono_defaults.object_class;
3887 main_clause->handler_offset = mb->pos;
3888 mono_mb_emit_managed_call (mb, method_rs_serialize_exc, NULL);
3889 mono_mb_emit_stloc (mb, loc_serialized_exc);
3890 mono_mb_emit_ldarg (mb, 2);
3891 mono_mb_emit_ldloc (mb, loc_serialized_exc);
3892 mono_mb_emit_byte (mb, CEE_STIND_REF);
3893 mono_mb_emit_branch (mb, CEE_LEAVE);
3894 main_clause->handler_len = mb->pos - main_clause->handler_offset;
3897 mono_mb_patch_addr (mb, pos_leave, mb->pos - (pos_leave + 4));
3900 mono_mb_emit_ldloc (mb, loc_return);
3902 mono_mb_emit_byte (mb, CEE_RET);
3904 res = mono_remoting_mb_create_and_cache (method, mb, csig, csig->param_count + 16);
3907 header = ((MonoMethodNormal *)res)->header;
3908 header->num_clauses = 1;
3909 header->clauses = main_clause;
3914 /* mono_marshal_get_xappdomain_invoke ()
3915 * Generates a fast remoting wrapper for cross app domain calls.
3918 mono_marshal_get_xappdomain_invoke (MonoMethod *method)
3920 MonoMethodSignature *sig;
3921 MonoMethodBuilder *mb;
3923 int i, j, complex_count, complex_out_count, copy_locals_base;
3925 MonoClass *ret_class = NULL;
3926 MonoMethod *xdomain_method;
3927 int ret_marshal_type = MONO_MARSHAL_NONE;
3928 int loc_array=0, loc_serialized_data=-1, loc_real_proxy;
3929 int loc_old_domainid, loc_domainid, loc_return=0, loc_serialized_exc=0, loc_context;
3930 int pos, pos_dispatch, pos_noex;
3931 gboolean copy_return = FALSE;
3935 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE || method->wrapper_type == MONO_WRAPPER_XDOMAIN_INVOKE)
3938 /* we cant remote methods without this pointer */
3939 if (!mono_method_signature (method)->hasthis)
3942 if (!mono_marshal_supports_fast_xdomain (method))
3943 return mono_marshal_get_remoting_invoke (method);
3945 mono_remoting_marshal_init ();
3947 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_XDOMAIN_INVOKE)))
3950 sig = signature_no_pinvoke (method);
3952 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_XDOMAIN_INVOKE);
3953 mb->method->save_lmf = 1;
3955 /* Count the number of parameters that need to be serialized */
3957 marshal_types = alloca (sizeof (int) * sig->param_count);
3958 complex_count = complex_out_count = 0;
3959 for (i = 0; i < sig->param_count; i++) {
3960 MonoType *ptype = sig->params[i];
3961 int mt = mono_get_xdomain_marshal_type (ptype);
3963 /* If the [Out] attribute is applied to a parameter that can be internally copied,
3964 * the copy will be made by reusing the original object instance
3966 if ((ptype->attrs & PARAM_ATTRIBUTE_OUT) != 0 && mt == MONO_MARSHAL_COPY && !ptype->byref)
3967 mt = MONO_MARSHAL_COPY_OUT;
3968 else if (mt == MONO_MARSHAL_SERIALIZE) {
3970 if (ptype->byref) complex_out_count++;
3972 marshal_types [i] = mt;
3975 if (sig->ret->type != MONO_TYPE_VOID) {
3976 ret_marshal_type = mono_get_xdomain_marshal_type (sig->ret);
3977 ret_class = mono_class_from_mono_type (sig->ret);
3978 copy_return = ret_marshal_type != MONO_MARSHAL_SERIALIZE;
3983 if (complex_count > 0)
3984 loc_array = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3985 loc_serialized_data = mono_mb_add_local (mb, &byte_array_class->byval_arg);
3986 loc_real_proxy = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3988 loc_return = mono_mb_add_local (mb, sig->ret);
3989 loc_old_domainid = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
3990 loc_domainid = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
3991 loc_serialized_exc = mono_mb_add_local (mb, &byte_array_class->byval_arg);
3992 loc_context = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3994 /* Save thread domain data */
3996 mono_mb_emit_icall (mb, mono_context_get);
3997 mono_mb_emit_byte (mb, CEE_DUP);
3998 mono_mb_emit_stloc (mb, loc_context);
4000 /* If the thread is not running in the default context, it needs to go
4001 * through the whole remoting sink, since the context is going to change
4003 mono_mb_emit_managed_call (mb, method_needs_context_sink, NULL);
4004 pos = mono_mb_emit_short_branch (mb, CEE_BRTRUE_S);
4006 /* Another case in which the fast path can't be used: when the target domain
4007 * has a different image for the same assembly.
4010 /* Get the target domain id */
4012 mono_mb_emit_ldarg (mb, 0);
4013 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
4014 mono_mb_emit_byte (mb, CEE_LDIND_REF);
4015 mono_mb_emit_byte (mb, CEE_DUP);
4016 mono_mb_emit_stloc (mb, loc_real_proxy);
4018 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoRealProxy, target_domain_id));
4019 mono_mb_emit_byte (mb, CEE_LDIND_I4);
4020 mono_mb_emit_stloc (mb, loc_domainid);
4022 /* Check if the target domain has the same image for the required assembly */
4024 mono_mb_emit_ldloc (mb, loc_domainid);
4025 mono_mb_emit_ptr (mb, method->klass->image);
4026 mono_mb_emit_icall (mb, mono_marshal_check_domain_image);
4027 pos_dispatch = mono_mb_emit_short_branch (mb, CEE_BRTRUE_S);
4029 /* Use the whole remoting sink to dispatch this message */
4031 mono_mb_patch_short_branch (mb, pos);
4033 mono_mb_emit_ldarg (mb, 0);
4034 for (i = 0; i < sig->param_count; i++)
4035 mono_mb_emit_ldarg (mb, i + 1);
4037 mono_mb_emit_managed_call (mb, mono_marshal_get_remoting_invoke (method), NULL);
4038 mono_mb_emit_byte (mb, CEE_RET);
4039 mono_mb_patch_short_branch (mb, pos_dispatch);
4041 /* Create the array that will hold the parameters to be serialized */
4043 if (complex_count > 0) {
4044 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 */
4045 mono_mb_emit_op (mb, CEE_NEWARR, mono_defaults.object_class);
4048 for (i = 0; i < sig->param_count; i++) {
4050 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE) continue;
4051 pclass = mono_class_from_mono_type (sig->params[i]);
4052 mono_mb_emit_byte (mb, CEE_DUP);
4053 mono_mb_emit_icon (mb, j);
4054 mono_mb_emit_ldarg (mb, i + 1); /* 0=this */
4055 if (sig->params[i]->byref) {
4056 if (pclass->valuetype)
4057 mono_mb_emit_op (mb, CEE_LDOBJ, pclass);
4059 mono_mb_emit_byte (mb, CEE_LDIND_REF);
4061 if (pclass->valuetype)
4062 mono_mb_emit_op (mb, CEE_BOX, pclass);
4063 mono_mb_emit_byte (mb, CEE_STELEM_REF);
4066 mono_mb_emit_stloc (mb, loc_array);
4068 /* Serialize parameters */
4070 mono_mb_emit_ldloc (mb, loc_array);
4071 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
4072 mono_mb_emit_stloc (mb, loc_serialized_data);
4074 mono_mb_emit_byte (mb, CEE_LDNULL);
4075 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
4076 mono_mb_emit_stloc (mb, loc_serialized_data);
4081 mono_mb_emit_ldloc (mb, loc_domainid);
4082 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
4083 mono_marshal_emit_switch_domain (mb);
4084 mono_mb_emit_stloc (mb, loc_old_domainid);
4086 /* Load the arguments */
4088 mono_mb_emit_ldloc (mb, loc_real_proxy);
4089 mono_mb_emit_ldloc_addr (mb, loc_serialized_data);
4090 mono_mb_emit_ldloc_addr (mb, loc_serialized_exc);
4092 copy_locals_base = mb->locals;
4093 for (i = 0; i < sig->param_count; i++) {
4094 switch (marshal_types [i]) {
4095 case MONO_MARSHAL_SERIALIZE:
4097 case MONO_MARSHAL_COPY: {
4098 mono_mb_emit_ldarg (mb, i+1);
4099 if (sig->params [i]->byref) {
4100 /* make a local copy of the byref parameter. The real parameter
4101 * will be updated after the xdomain call
4103 MonoClass *pclass = mono_class_from_mono_type (sig->params [i]);
4104 int copy_local = mono_mb_add_local (mb, &(pclass->byval_arg));
4105 mono_mb_emit_byte (mb, CEE_LDIND_REF);
4106 mono_mb_emit_stloc (mb, copy_local);
4107 mono_mb_emit_ldloc_addr (mb, copy_local);
4111 case MONO_MARSHAL_COPY_OUT:
4112 case MONO_MARSHAL_NONE:
4113 mono_mb_emit_ldarg (mb, i+1);
4118 /* Make the call to the invoke wrapper in the target domain */
4120 xdomain_method = mono_marshal_get_xappdomain_dispatch (method, marshal_types, complex_count, complex_out_count, ret_marshal_type);
4121 mono_marshal_emit_load_domain_method (mb, xdomain_method);
4122 mono_mb_emit_calli (mb, mono_method_signature (xdomain_method));
4125 mono_mb_emit_stloc (mb, loc_return);
4129 mono_mb_emit_ldloc (mb, loc_old_domainid);
4130 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
4131 mono_marshal_emit_switch_domain (mb);
4132 mono_mb_emit_byte (mb, CEE_POP);
4134 /* Restore thread domain data */
4136 mono_mb_emit_ldloc (mb, loc_context);
4137 mono_mb_emit_icall (mb, mono_context_set);
4139 /* if (loc_serialized_exc != null) ... */
4141 mono_mb_emit_ldloc (mb, loc_serialized_exc);
4142 pos_noex = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
4144 mono_mb_emit_ldloc (mb, loc_serialized_exc);
4145 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
4146 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
4147 mono_mb_emit_op (mb, CEE_CASTCLASS, mono_defaults.exception_class);
4148 mono_mb_emit_managed_call (mb, method_exc_fixexc, NULL);
4149 mono_mb_emit_byte (mb, CEE_THROW);
4150 mono_mb_patch_addr_s (mb, pos_noex, mb->pos - pos_noex - 1);
4152 /* copy back non-serialized output parameters */
4155 for (i = 0; i < sig->param_count; i++) {
4156 if (!sig->params [i]->byref || marshal_types [i] != MONO_MARSHAL_COPY) continue;
4157 mono_mb_emit_ldarg (mb, i + 1);
4158 mono_mb_emit_ldloc (mb, copy_locals_base + (j++));
4159 mono_marshal_emit_xdomain_copy_value (mb, mono_class_from_mono_type (sig->params [i]));
4160 mono_mb_emit_byte (mb, CEE_STIND_REF);
4163 /* Deserialize out parameters */
4165 if (complex_out_count > 0) {
4166 mono_mb_emit_ldloc (mb, loc_serialized_data);
4167 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
4168 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
4169 mono_mb_emit_stloc (mb, loc_array);
4171 /* Copy back output parameters and return type */
4174 for (i = 0; i < sig->param_count; i++) {
4175 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE) continue;
4176 if (sig->params[i]->byref) {
4177 MonoClass *pclass = mono_class_from_mono_type (sig->params [i]);
4178 mono_mb_emit_ldarg (mb, i + 1);
4179 mono_mb_emit_ldloc (mb, loc_array);
4180 mono_mb_emit_icon (mb, j);
4181 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
4182 if (pclass->valuetype) {
4183 mono_mb_emit_op (mb, CEE_UNBOX, pclass);
4184 mono_mb_emit_op (mb, CEE_LDOBJ, pclass);
4185 mono_mb_emit_op (mb, CEE_STOBJ, pclass);
4187 if (pclass != mono_defaults.object_class)
4188 mono_mb_emit_op (mb, CEE_CASTCLASS, pclass);
4189 mono_mb_emit_byte (mb, CEE_STIND_REF);
4195 if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
4196 mono_mb_emit_ldloc (mb, loc_array);
4197 mono_mb_emit_icon (mb, complex_count);
4198 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
4199 if (ret_class->valuetype) {
4200 mono_mb_emit_op (mb, CEE_UNBOX, ret_class);
4201 mono_mb_emit_op (mb, CEE_LDOBJ, ret_class);
4204 } else if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
4205 mono_mb_emit_ldloc (mb, loc_serialized_data);
4206 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
4207 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
4208 if (ret_class->valuetype) {
4209 mono_mb_emit_op (mb, CEE_UNBOX, ret_class);
4210 mono_mb_emit_op (mb, CEE_LDOBJ, ret_class);
4211 } else if (ret_class != mono_defaults.object_class) {
4212 mono_mb_emit_op (mb, CEE_CASTCLASS, ret_class);
4215 mono_mb_emit_ldloc (mb, loc_serialized_data);
4216 mono_mb_emit_byte (mb, CEE_DUP);
4217 pos = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
4218 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
4220 mono_mb_patch_addr_s (mb, pos, mb->pos - (pos + 1));
4221 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
4222 mono_mb_emit_byte (mb, CEE_POP);
4226 mono_mb_emit_ldloc (mb, loc_return);
4227 if (ret_marshal_type == MONO_MARSHAL_COPY)
4228 mono_marshal_emit_xdomain_copy_value (mb, ret_class);
4231 mono_mb_emit_byte (mb, CEE_RET);
4233 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16);
4240 mono_marshal_get_remoting_invoke_for_target (MonoMethod *method, MonoRemotingTarget target_type)
4242 if (target_type == MONO_REMOTING_TARGET_APPDOMAIN)
4243 return mono_marshal_get_xappdomain_invoke (method);
4244 else if (target_type == MONO_REMOTING_TARGET_COMINTEROP)
4245 return cominterop_get_invoke (method);
4247 return mono_marshal_get_remoting_invoke (method);
4250 G_GNUC_UNUSED static gpointer
4251 mono_marshal_load_remoting_wrapper (MonoRealProxy *rp, MonoMethod *method)
4253 if (rp->target_domain_id != -1)
4254 return mono_compile_method (mono_marshal_get_xappdomain_invoke (method));
4256 return mono_compile_method (mono_marshal_get_remoting_invoke (method));
4260 mono_marshal_get_remoting_invoke_with_check (MonoMethod *method)
4262 MonoMethodSignature *sig;
4263 MonoMethodBuilder *mb;
4264 MonoMethod *res, *native;
4265 int i, pos, pos_rem;
4269 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK)
4272 sig = signature_no_pinvoke (method);
4274 /* we cant remote methods without this pointer */
4275 g_assert (sig->hasthis);
4277 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK)))
4280 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK);
4282 for (i = 0; i <= sig->param_count; i++)
4283 mono_mb_emit_ldarg (mb, i);
4285 mono_mb_emit_ldarg (mb, 0);
4286 pos = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
4288 if (mono_marshal_supports_fast_xdomain (method)) {
4289 mono_mb_emit_ldarg (mb, 0);
4290 pos_rem = mono_mb_emit_xdomain_check (mb, CEE_BEQ);
4292 /* wrapper for cross app domain calls */
4293 native = mono_marshal_get_xappdomain_invoke (method);
4294 mono_mb_emit_managed_call (mb, native, mono_method_signature (native));
4295 mono_mb_emit_byte (mb, CEE_RET);
4297 mono_mb_patch_addr (mb, pos_rem, mb->pos - (pos_rem + 4));
4299 /* wrapper for normal remote calls */
4300 native = mono_marshal_get_remoting_invoke (method);
4301 mono_mb_emit_managed_call (mb, native, mono_method_signature (native));
4302 mono_mb_emit_byte (mb, CEE_RET);
4305 mono_mb_patch_branch (mb, pos);
4306 mono_mb_emit_managed_call (mb, method, mono_method_signature (method));
4307 mono_mb_emit_byte (mb, CEE_RET);
4309 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16);
4316 * the returned method invokes all methods in a multicast delegate
4319 mono_marshal_get_delegate_invoke (MonoMethod *method)
4321 MonoMethodSignature *sig, *static_sig;
4323 MonoMethodBuilder *mb;
4329 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
4330 !strcmp (method->name, "Invoke"));
4332 sig = signature_no_pinvoke (method);
4334 cache = method->klass->image->delegate_invoke_cache;
4335 if ((res = mono_marshal_find_in_cache (cache, sig)))
4338 static_sig = signature_dup (method->klass->image, sig);
4339 static_sig->hasthis = 0;
4341 name = mono_signature_to_name (sig, "invoke");
4342 mb = mono_mb_new (mono_defaults.multicastdelegate_class, name, MONO_WRAPPER_DELEGATE_INVOKE);
4345 /* allocate local 0 (object) */
4346 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4348 g_assert (sig->hasthis);
4352 * prev.Invoke( args .. );
4353 * return this.<target>( args .. );
4356 /* this wrapper can be used in unmanaged-managed transitions */
4357 emit_thread_interrupt_checkpoint (mb);
4359 /* get this->prev */
4360 mono_mb_emit_ldarg (mb, 0);
4361 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoMulticastDelegate, prev));
4362 mono_mb_emit_byte (mb, CEE_LDIND_REF);
4364 /* if prev != null */
4365 pos0 = mono_mb_emit_branch (mb, CEE_BRFALSE);
4369 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4370 mono_mb_emit_byte (mb, CEE_MONO_NOT_TAKEN);
4372 mono_mb_emit_ldarg (mb, 0);
4373 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoMulticastDelegate, prev));
4374 mono_mb_emit_byte (mb, CEE_LDIND_REF);
4375 for (i = 0; i < sig->param_count; i++)
4376 mono_mb_emit_ldarg (mb, i + 1);
4377 mono_mb_emit_managed_call (mb, method, mono_method_signature (method));
4378 if (sig->ret->type != MONO_TYPE_VOID)
4379 mono_mb_emit_byte (mb, CEE_POP);
4381 /* continued or prev == null */
4382 mono_mb_patch_branch (mb, pos0);
4384 /* get this->target */
4385 mono_mb_emit_ldarg (mb, 0);
4386 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, target));
4387 mono_mb_emit_byte (mb, CEE_LDIND_REF);
4388 mono_mb_emit_stloc (mb, 0);
4390 /* if target != null */
4391 mono_mb_emit_ldloc (mb, 0);
4392 pos0 = mono_mb_emit_branch (mb, CEE_BRFALSE);
4394 /* then call this->method_ptr nonstatic */
4395 mono_mb_emit_ldloc (mb, 0);
4396 for (i = 0; i < sig->param_count; ++i)
4397 mono_mb_emit_ldarg (mb, i + 1);
4398 mono_mb_emit_ldarg (mb, 0);
4399 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, method_ptr));
4400 mono_mb_emit_byte (mb, CEE_LDIND_I );
4401 mono_mb_emit_op (mb, CEE_CALLI, sig);
4403 pos1 = mono_mb_emit_branch (mb, CEE_BR);
4405 /* else [target == null] call this->method_ptr static */
4406 mono_mb_patch_branch (mb, pos0);
4408 for (i = 0; i < sig->param_count; ++i)
4409 mono_mb_emit_ldarg (mb, i + 1);
4410 mono_mb_emit_ldarg (mb, 0);
4411 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, method_ptr));
4412 mono_mb_emit_byte (mb, CEE_LDIND_I );
4413 mono_mb_emit_op (mb, CEE_CALLI, static_sig);
4416 mono_mb_patch_branch (mb, pos1);
4417 mono_mb_emit_byte (mb, CEE_RET);
4419 res = mono_mb_create_and_cache (cache, sig,
4420 mb, sig, sig->param_count + 16);
4427 * signature_dup_add_this:
4429 * Make a copy of @sig, adding an explicit this argument.
4431 static MonoMethodSignature*
4432 signature_dup_add_this (MonoMethodSignature *sig, MonoClass *klass)
4434 MonoMethodSignature *res;
4437 res = mono_metadata_signature_alloc (klass->image, sig->param_count + 1);
4438 memcpy (res, sig, sizeof (MonoMethodSignature));
4439 res->param_count = sig->param_count + 1;
4440 res->hasthis = FALSE;
4441 for (i = sig->param_count - 1; i >= 0; i --)
4442 res->params [i + 1] = sig->params [i];
4443 res->params [0] = &mono_ptr_class_get (&klass->byval_arg)->byval_arg;
4450 MonoMethodSignature *sig;
4456 * generates IL code for the runtime invoke function
4457 * MonoObject *runtime_invoke (MonoObject *this, void **params, MonoObject **exc, void* method)
4459 * we also catch exceptions if exc != null
4462 mono_marshal_get_runtime_invoke (MonoMethod *method)
4464 MonoMethodSignature *sig, *csig, *callsig;
4465 MonoExceptionClause *clause;
4466 MonoMethodHeader *header;
4467 MonoMethodBuilder *mb;
4468 GHashTable *cache = NULL;
4469 MonoClass *target_klass;
4470 MonoMethod *res = NULL;
4472 static MonoString *string_dummy = NULL;
4473 static MonoMethodSignature *dealy_abort_sig = NULL;
4479 target_klass = method->klass;
4481 mono_marshal_lock ();
4483 if (method->string_ctor) {
4484 static GSList *strsig_list = NULL;
4488 for (item = strsig_list; item; item = item->next) {
4490 if (mono_metadata_signature_equal (mono_method_signature (method), mono_method_signature (cs->ctor))) {
4496 callsig = signature_dup (method->klass->image, mono_method_signature (method));
4497 callsig->ret = &mono_defaults.string_class->byval_arg;
4498 cs = g_new (CtorSigPair, 1);
4501 strsig_list = g_slist_prepend (strsig_list, cs);
4504 if (method->klass->valuetype && mono_method_signature (method)->hasthis) {
4506 * Valuetype methods receive a managed pointer as the this argument.
4507 * Create a new signature to reflect this.
4509 callsig = signature_dup_add_this (mono_method_signature (method), method->klass);
4511 callsig = mono_method_signature (method);
4515 cache = method->klass->image->runtime_invoke_cache;
4517 /* from mono_marshal_find_in_cache */
4518 res = g_hash_table_lookup (cache, callsig);
4519 mono_marshal_unlock ();
4525 if (!dealy_abort_sig) {
4526 dealy_abort_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
4527 dealy_abort_sig->ret = &mono_defaults.void_class->byval_arg;
4528 dealy_abort_sig->pinvoke = 0;
4531 target_klass = mono_defaults.object_class;
4533 /* to make it work with our special string constructors */
4534 if (!string_dummy) {
4535 MONO_GC_REGISTER_ROOT (string_dummy);
4536 string_dummy = mono_string_new_wrapper ("dummy");
4539 sig = mono_method_signature (method);
4541 csig = mono_metadata_signature_alloc (method->klass->image, 4);
4543 csig->ret = &mono_defaults.object_class->byval_arg;
4544 if (method->klass->valuetype && mono_method_signature (method)->hasthis)
4545 csig->params [0] = callsig->params [0];
4547 csig->params [0] = &mono_defaults.object_class->byval_arg;
4548 csig->params [1] = &mono_defaults.int_class->byval_arg;
4549 csig->params [2] = &mono_defaults.int_class->byval_arg;
4550 csig->params [3] = &mono_defaults.int_class->byval_arg;
4552 name = mono_signature_to_name (callsig, "runtime_invoke");
4553 mb = mono_mb_new (target_klass, name, MONO_WRAPPER_RUNTIME_INVOKE);
4556 /* allocate local 0 (object) tmp */
4557 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4558 /* allocate local 1 (object) exc */
4559 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4561 /* cond set *exc to null */
4562 mono_mb_emit_byte (mb, CEE_LDARG_2);
4563 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
4564 mono_mb_emit_byte (mb, 3);
4565 mono_mb_emit_byte (mb, CEE_LDARG_2);
4566 mono_mb_emit_byte (mb, CEE_LDNULL);
4567 mono_mb_emit_byte (mb, CEE_STIND_REF);
4569 emit_thread_force_interrupt_checkpoint (mb);
4572 if (method->string_ctor) {
4573 mono_mb_emit_ptr (mb, string_dummy);
4575 mono_mb_emit_ldarg (mb, 0);
4579 for (i = 0; i < sig->param_count; i++) {
4580 MonoType *t = sig->params [i];
4583 mono_mb_emit_ldarg (mb, 1);
4585 mono_mb_emit_icon (mb, sizeof (gpointer) * i);
4586 mono_mb_emit_byte (mb, CEE_ADD);
4588 mono_mb_emit_byte (mb, CEE_LDIND_I);
4593 type = sig->params [i]->type;
4597 case MONO_TYPE_BOOLEAN:
4601 case MONO_TYPE_CHAR:
4610 mono_mb_emit_byte (mb, mono_type_to_ldind (sig->params [i]));
4612 case MONO_TYPE_STRING:
4613 case MONO_TYPE_CLASS:
4614 case MONO_TYPE_ARRAY:
4616 case MONO_TYPE_SZARRAY:
4617 case MONO_TYPE_OBJECT:
4620 case MONO_TYPE_GENERICINST:
4621 if (!mono_type_generic_inst_is_valuetype (sig->params [i])) {
4627 case MONO_TYPE_VALUETYPE:
4628 if (t->data.klass->enumtype) {
4629 type = t->data.klass->enum_basetype->type;
4632 if (mono_class_is_nullable (mono_class_from_mono_type (sig->params [i]))) {
4633 /* Need to convert a boxed vtype to an mp to a Nullable struct */
4634 mono_mb_emit_op (mb, CEE_UNBOX, mono_class_from_mono_type (sig->params [i]));
4635 mono_mb_emit_op (mb, CEE_LDOBJ, mono_class_from_mono_type (sig->params [i]));
4637 mono_mb_emit_op (mb, CEE_LDOBJ, mono_class_from_mono_type (sig->params [i]));
4641 g_assert_not_reached ();
4645 mono_mb_emit_ldarg (mb, 3);
4646 mono_mb_emit_calli (mb, callsig);
4648 if (sig->ret->byref) {
4650 g_assert_not_reached ();
4654 switch (sig->ret->type) {
4655 case MONO_TYPE_VOID:
4656 if (!method->string_ctor)
4657 mono_mb_emit_byte (mb, CEE_LDNULL);
4659 case MONO_TYPE_BOOLEAN:
4660 case MONO_TYPE_CHAR:
4673 case MONO_TYPE_VALUETYPE:
4674 case MONO_TYPE_TYPEDBYREF:
4675 case MONO_TYPE_GENERICINST:
4676 /* box value types */
4677 mono_mb_emit_op (mb, CEE_BOX, mono_class_from_mono_type (sig->ret));
4679 case MONO_TYPE_STRING:
4680 case MONO_TYPE_CLASS:
4681 case MONO_TYPE_ARRAY:
4682 case MONO_TYPE_SZARRAY:
4683 case MONO_TYPE_OBJECT:
4688 g_assert_not_reached ();
4691 mono_mb_emit_stloc (mb, 0);
4693 pos = mono_mb_emit_branch (mb, CEE_LEAVE);
4695 mono_loader_lock ();
4696 clause = mono_mempool_alloc0 (target_klass->image->mempool, sizeof (MonoExceptionClause));
4697 mono_loader_unlock ();
4698 clause->flags = MONO_EXCEPTION_CLAUSE_FILTER;
4699 clause->try_len = mb->pos;
4702 clause->data.filter_offset = mb->pos;
4704 mono_mb_emit_byte (mb, CEE_POP);
4705 mono_mb_emit_byte (mb, CEE_LDARG_2);
4706 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
4707 mono_mb_emit_byte (mb, CEE_PREFIX1);
4708 mono_mb_emit_byte (mb, CEE_CGT_UN);
4709 mono_mb_emit_byte (mb, CEE_PREFIX1);
4710 mono_mb_emit_byte (mb, CEE_ENDFILTER);
4712 clause->handler_offset = mb->pos;
4715 /* store exception */
4716 mono_mb_emit_stloc (mb, 1);
4718 mono_mb_emit_byte (mb, CEE_LDARG_2);
4719 mono_mb_emit_ldloc (mb, 1);
4720 mono_mb_emit_byte (mb, CEE_STIND_REF);
4722 mono_mb_emit_byte (mb, CEE_LDNULL);
4723 mono_mb_emit_stloc (mb, 0);
4725 /* Check for the abort exception */
4726 mono_mb_emit_ldloc (mb, 1);
4727 mono_mb_emit_op (mb, CEE_ISINST, mono_defaults.threadabortexception_class);
4728 posna = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
4730 /* Delay the abort exception */
4731 mono_mb_emit_native_call (mb, dealy_abort_sig, ves_icall_System_Threading_Thread_ResetAbort);
4733 mono_mb_patch_short_branch (mb, posna);
4734 mono_mb_emit_branch (mb, CEE_LEAVE);
4736 clause->handler_len = mb->pos - clause->handler_offset;
4739 mono_mb_patch_branch (mb, pos);
4740 mono_mb_emit_ldloc (mb, 0);
4741 mono_mb_emit_byte (mb, CEE_RET);
4743 /* taken from mono_mb_create_and_cache */
4744 mono_loader_lock ();
4745 mono_marshal_lock ();
4747 res = g_hash_table_lookup (cache, callsig);
4748 /* Somebody may have created it before us */
4750 res = mono_mb_create_method (mb, csig, sig->param_count + 16);
4751 g_hash_table_insert (cache, callsig, res);
4752 g_hash_table_insert (wrapper_hash, res, callsig);
4755 mono_marshal_unlock ();
4756 mono_loader_unlock ();
4757 /* end mono_mb_create_and_cache */
4761 header = ((MonoMethodNormal *)res)->header;
4762 header->num_clauses = 1;
4763 header->clauses = clause;
4769 mono_mb_emit_auto_layout_exception (MonoMethodBuilder *mb, MonoClass *klass)
4771 char *msg = g_strdup_printf ("The type `%s.%s' layout needs to be Sequential or Explicit",
4772 klass->name_space, klass->name);
4774 mono_mb_emit_exception_marshal_directive (mb, msg);
4778 * mono_marshal_get_ldfld_remote_wrapper:
4779 * @klass: The return type
4781 * This method generates a wrapper for calling mono_load_remote_field_new with
4782 * the appropriate return type.
4785 mono_marshal_get_ldfld_remote_wrapper (MonoClass *klass)
4787 MonoMethodSignature *sig, *csig;
4788 MonoMethodBuilder *mb;
4793 cache = klass->image->ldfld_remote_wrapper_cache;
4794 if ((res = mono_marshal_find_in_cache (cache, klass)))
4798 * This wrapper is similar to an icall wrapper but all the wrappers
4799 * call the same C function, but with a different signature.
4801 name = g_strdup_printf ("__mono_load_remote_field_new_wrapper_%s.%s", klass->name_space, klass->name);
4802 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_LDFLD_REMOTE);
4805 mb->method->save_lmf = 1;
4807 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
4808 sig->params [0] = &mono_defaults.object_class->byval_arg;
4809 sig->params [1] = &mono_defaults.int_class->byval_arg;
4810 sig->params [2] = &mono_defaults.int_class->byval_arg;
4811 sig->ret = &klass->this_arg;
4813 mono_mb_emit_ldarg (mb, 0);
4814 mono_mb_emit_ldarg (mb, 1);
4815 mono_mb_emit_ldarg (mb, 2);
4817 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
4818 csig->params [0] = &mono_defaults.object_class->byval_arg;
4819 csig->params [1] = &mono_defaults.int_class->byval_arg;
4820 csig->params [2] = &mono_defaults.int_class->byval_arg;
4821 csig->ret = &klass->this_arg;
4824 mono_mb_emit_native_call (mb, csig, mono_load_remote_field_new);
4825 emit_thread_interrupt_checkpoint (mb);
4827 mono_mb_emit_byte (mb, CEE_RET);
4829 res = mono_mb_create_and_cache (cache, klass,
4830 mb, sig, sig->param_count + 16);
4837 * mono_marshal_get_ldfld_wrapper:
4838 * @type: the type of the field
4840 * This method generates a function which can be use to load a field with type
4841 * @type from an object. The generated function has the following signature:
4842 * <@type> ldfld_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset)
4845 mono_marshal_get_ldfld_wrapper (MonoType *type)
4847 MonoMethodSignature *sig;
4848 MonoMethodBuilder *mb;
4853 int t, pos0, pos1 = 0;
4855 type = mono_type_get_underlying_type (type);
4860 if (type->type == MONO_TYPE_SZARRAY) {
4861 klass = mono_defaults.array_class;
4862 } else if (type->type == MONO_TYPE_VALUETYPE) {
4863 klass = type->data.klass;
4864 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING) {
4865 klass = mono_defaults.object_class;
4866 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
4867 klass = mono_defaults.int_class;
4868 } else if (t == MONO_TYPE_GENERICINST) {
4869 if (mono_type_generic_inst_is_valuetype (type))
4870 klass = mono_class_from_mono_type (type);
4872 klass = mono_defaults.object_class;
4874 klass = mono_class_from_mono_type (type);
4877 klass = mono_defaults.int_class;
4880 cache = klass->image->ldfld_wrapper_cache;
4881 if ((res = mono_marshal_find_in_cache (cache, klass)))
4884 /* we add the %p pointer value of klass because class names are not unique */
4885 name = g_strdup_printf ("__ldfld_wrapper_%p_%s.%s", klass, klass->name_space, klass->name);
4886 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_LDFLD);
4889 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
4890 sig->params [0] = &mono_defaults.object_class->byval_arg;
4891 sig->params [1] = &mono_defaults.int_class->byval_arg;
4892 sig->params [2] = &mono_defaults.int_class->byval_arg;
4893 sig->params [3] = &mono_defaults.int_class->byval_arg;
4894 sig->ret = &klass->byval_arg;
4896 mono_mb_emit_ldarg (mb, 0);
4897 pos0 = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
4899 mono_mb_emit_ldarg (mb, 0);
4900 mono_mb_emit_ldarg (mb, 1);
4901 mono_mb_emit_ldarg (mb, 2);
4903 mono_mb_emit_managed_call (mb, mono_marshal_get_ldfld_remote_wrapper (klass), NULL);
4906 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
4907 csig->params [0] = &mono_defaults.object_class->byval_arg;
4908 csig->params [1] = &mono_defaults.int_class->byval_arg;
4909 csig->params [2] = &mono_defaults.int_class->byval_arg;
4910 csig->ret = &klass->this_arg;
4913 mono_mb_emit_native_call (mb, csig, mono_load_remote_field_new);
4914 emit_thread_interrupt_checkpoint (mb);
4917 if (klass->valuetype) {
4918 mono_mb_emit_op (mb, CEE_UNBOX, klass);
4919 pos1 = mono_mb_emit_branch (mb, CEE_BR);
4921 mono_mb_emit_byte (mb, CEE_RET);
4925 mono_mb_patch_branch (mb, pos0);
4927 mono_mb_emit_ldarg (mb, 0);
4928 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4929 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
4930 mono_mb_emit_ldarg (mb, 3);
4931 mono_mb_emit_byte (mb, CEE_ADD);
4933 if (klass->valuetype)
4934 mono_mb_patch_branch (mb, pos1);
4939 case MONO_TYPE_BOOLEAN:
4940 case MONO_TYPE_CHAR:
4949 case MONO_TYPE_ARRAY:
4950 case MONO_TYPE_SZARRAY:
4951 case MONO_TYPE_OBJECT:
4952 case MONO_TYPE_CLASS:
4953 case MONO_TYPE_STRING:
4957 case MONO_TYPE_FNPTR:
4958 mono_mb_emit_byte (mb, mono_type_to_ldind (type));
4960 case MONO_TYPE_VALUETYPE:
4961 g_assert (!klass->enumtype);
4962 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
4964 case MONO_TYPE_GENERICINST:
4965 if (mono_type_generic_inst_is_valuetype (type)) {
4966 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
4968 mono_mb_emit_byte (mb, CEE_LDIND_REF);
4972 g_warning ("type %x not implemented", type->type);
4973 g_assert_not_reached ();
4976 mono_mb_emit_byte (mb, CEE_RET);
4978 res = mono_mb_create_and_cache (cache, klass,
4979 mb, sig, sig->param_count + 16);
4986 * mono_marshal_get_ldflda_wrapper:
4987 * @type: the type of the field
4989 * This method generates a function which can be used to load a field address
4990 * from an object. The generated function has the following signature:
4991 * gpointer ldflda_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset);
4994 mono_marshal_get_ldflda_wrapper (MonoType *type)
4996 MonoMethodSignature *sig;
4997 MonoMethodBuilder *mb;
5004 type = mono_type_get_underlying_type (type);
5008 if (type->type == MONO_TYPE_SZARRAY) {
5009 klass = mono_defaults.array_class;
5010 } else if (type->type == MONO_TYPE_VALUETYPE) {
5011 klass = type->data.klass;
5012 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING ||
5013 t == MONO_TYPE_CLASS) {
5014 klass = mono_defaults.object_class;
5015 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
5016 klass = mono_defaults.int_class;
5017 } else if (t == MONO_TYPE_GENERICINST) {
5018 if (mono_type_generic_inst_is_valuetype (type))
5019 klass = mono_class_from_mono_type (type);
5021 klass = mono_defaults.object_class;
5023 klass = mono_class_from_mono_type (type);
5026 klass = mono_defaults.int_class;
5029 cache = klass->image->ldflda_wrapper_cache;
5030 if ((res = mono_marshal_find_in_cache (cache, klass)))
5033 /* we add the %p pointer value of klass because class names are not unique */
5034 name = g_strdup_printf ("__ldflda_wrapper_%p_%s.%s", klass, klass->name_space, klass->name);
5035 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_LDFLDA);
5038 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
5039 sig->params [0] = &mono_defaults.object_class->byval_arg;
5040 sig->params [1] = &mono_defaults.int_class->byval_arg;
5041 sig->params [2] = &mono_defaults.int_class->byval_arg;
5042 sig->params [3] = &mono_defaults.int_class->byval_arg;
5043 sig->ret = &mono_defaults.int_class->byval_arg;
5045 mono_mb_emit_ldarg (mb, 0);
5046 pos0 = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
5048 /* FIXME: Only throw this if the object is in another appdomain */
5049 mono_mb_emit_exception_full (mb, "System", "InvalidOperationException", "Attempt to load field address from object in another appdomain.");
5051 mono_mb_patch_branch (mb, pos0);
5053 mono_mb_emit_ldarg (mb, 0);
5054 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5055 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
5056 mono_mb_emit_ldarg (mb, 3);
5057 mono_mb_emit_byte (mb, CEE_ADD);
5059 mono_mb_emit_byte (mb, CEE_RET);
5061 res = mono_mb_create_and_cache (cache, klass,
5062 mb, sig, sig->param_count + 16);
5069 * mono_marshal_get_stfld_remote_wrapper:
5070 * klass: The type of the field
5072 * This function generates a wrapper for calling mono_store_remote_field_new
5073 * with the appropriate signature.
5076 mono_marshal_get_stfld_remote_wrapper (MonoClass *klass)
5078 MonoMethodSignature *sig, *csig;
5079 MonoMethodBuilder *mb;
5084 cache = klass->image->stfld_remote_wrapper_cache;
5085 if ((res = mono_marshal_find_in_cache (cache, klass)))
5088 name = g_strdup_printf ("__mono_store_remote_field_new_wrapper_%s.%s", klass->name_space, klass->name);
5089 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_STFLD_REMOTE);
5092 mb->method->save_lmf = 1;
5094 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
5095 sig->params [0] = &mono_defaults.object_class->byval_arg;
5096 sig->params [1] = &mono_defaults.int_class->byval_arg;
5097 sig->params [2] = &mono_defaults.int_class->byval_arg;
5098 sig->params [3] = &klass->byval_arg;
5099 sig->ret = &mono_defaults.void_class->byval_arg;
5101 mono_mb_emit_ldarg (mb, 0);
5102 mono_mb_emit_ldarg (mb, 1);
5103 mono_mb_emit_ldarg (mb, 2);
5104 mono_mb_emit_ldarg (mb, 3);
5106 if (klass->valuetype)
5107 mono_mb_emit_op (mb, CEE_BOX, klass);
5109 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
5110 csig->params [0] = &mono_defaults.object_class->byval_arg;
5111 csig->params [1] = &mono_defaults.int_class->byval_arg;
5112 csig->params [2] = &mono_defaults.int_class->byval_arg;
5113 csig->params [3] = &klass->byval_arg;
5114 csig->ret = &mono_defaults.void_class->byval_arg;
5117 mono_mb_emit_native_call (mb, csig, mono_store_remote_field_new);
5118 emit_thread_interrupt_checkpoint (mb);
5120 mono_mb_emit_byte (mb, CEE_RET);
5122 res = mono_mb_create_and_cache (cache, klass,
5123 mb, sig, sig->param_count + 16);
5130 * mono_marshal_get_stfld_wrapper:
5131 * @type: the type of the field
5133 * This method generates a function which can be use to store a field with type
5134 * @type. The generated function has the following signature:
5135 * void stfld_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset, <@type> val)
5138 mono_marshal_get_stfld_wrapper (MonoType *type)
5140 MonoMethodSignature *sig;
5141 MonoMethodBuilder *mb;
5148 type = mono_type_get_underlying_type (type);
5152 if (type->type == MONO_TYPE_SZARRAY) {
5153 klass = mono_defaults.array_class;
5154 } else if (type->type == MONO_TYPE_VALUETYPE) {
5155 klass = type->data.klass;
5156 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING) {
5157 klass = mono_defaults.object_class;
5158 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
5159 klass = mono_defaults.int_class;
5160 } else if (t == MONO_TYPE_GENERICINST) {
5161 if (mono_type_generic_inst_is_valuetype (type))
5162 klass = mono_class_from_mono_type (type);
5164 klass = mono_defaults.object_class;
5166 klass = mono_class_from_mono_type (type);
5169 klass = mono_defaults.int_class;
5172 cache = klass->image->stfld_wrapper_cache;
5173 if ((res = mono_marshal_find_in_cache (cache, klass)))
5176 /* we add the %p pointer value of klass because class names are not unique */
5177 name = g_strdup_printf ("__stfld_wrapper_%p_%s.%s", klass, klass->name_space, klass->name);
5178 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_STFLD);
5181 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 5);
5182 sig->params [0] = &mono_defaults.object_class->byval_arg;
5183 sig->params [1] = &mono_defaults.int_class->byval_arg;
5184 sig->params [2] = &mono_defaults.int_class->byval_arg;
5185 sig->params [3] = &mono_defaults.int_class->byval_arg;
5186 sig->params [4] = &klass->byval_arg;
5187 sig->ret = &mono_defaults.void_class->byval_arg;
5189 mono_mb_emit_ldarg (mb, 0);
5190 pos = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
5192 mono_mb_emit_ldarg (mb, 0);
5193 mono_mb_emit_ldarg (mb, 1);
5194 mono_mb_emit_ldarg (mb, 2);
5195 mono_mb_emit_ldarg (mb, 4);
5197 mono_mb_emit_managed_call (mb, mono_marshal_get_stfld_remote_wrapper (klass), NULL);
5199 mono_mb_emit_byte (mb, CEE_RET);
5201 mono_mb_patch_branch (mb, pos);
5203 mono_mb_emit_ldarg (mb, 0);
5204 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5205 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
5206 mono_mb_emit_ldarg (mb, 3);
5207 mono_mb_emit_byte (mb, CEE_ADD);
5208 mono_mb_emit_ldarg (mb, 4);
5213 case MONO_TYPE_BOOLEAN:
5214 case MONO_TYPE_CHAR:
5223 case MONO_TYPE_ARRAY:
5224 case MONO_TYPE_SZARRAY:
5225 case MONO_TYPE_OBJECT:
5226 case MONO_TYPE_CLASS:
5227 case MONO_TYPE_STRING:
5231 case MONO_TYPE_FNPTR:
5232 mono_mb_emit_byte (mb, mono_type_to_stind (type));
5234 case MONO_TYPE_VALUETYPE:
5235 g_assert (!klass->enumtype);
5236 mono_mb_emit_op (mb, CEE_STOBJ, klass);
5238 case MONO_TYPE_GENERICINST:
5239 mono_mb_emit_op (mb, CEE_STOBJ, klass);
5242 g_warning ("type %x not implemented", type->type);
5243 g_assert_not_reached ();
5246 mono_mb_emit_byte (mb, CEE_RET);
5248 res = mono_mb_create_and_cache (cache, klass,
5249 mb, sig, sig->param_count + 16);
5256 * generates IL code for the icall wrapper (the generated method
5257 * calls the unmanaged code in func)
5260 mono_marshal_get_icall_wrapper (MonoMethodSignature *sig, const char *name, gconstpointer func)
5262 MonoMethodSignature *csig;
5263 MonoMethodBuilder *mb;
5267 g_assert (sig->pinvoke);
5269 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_MANAGED_TO_NATIVE);
5271 mb->method->save_lmf = 1;
5273 /* we copy the signature, so that we can modify it */
5276 mono_mb_emit_byte (mb, CEE_LDARG_0);
5278 for (i = 0; i < sig->param_count; i++)
5279 mono_mb_emit_ldarg (mb, i + sig->hasthis);
5281 mono_mb_emit_native_call (mb, sig, (gpointer) func);
5282 emit_thread_interrupt_checkpoint (mb);
5283 mono_mb_emit_byte (mb, CEE_RET);
5285 csig = signature_dup (mono_defaults.corlib, sig);
5287 if (csig->call_convention == MONO_CALL_VARARG)
5288 csig->call_convention = 0;
5290 res = mono_mb_create_method (mb, csig, csig->param_count + 16);
5297 MonoMethodBuilder *mb;
5298 MonoMethodSignature *sig;
5299 MonoMethodPInvoke *piinfo;
5300 int *orig_conv_args; /* Locals containing the original values of byref args */
5302 MonoClass *retobj_class;
5303 MonoMethodSignature *csig; /* Might need to be changed due to MarshalAs directives */
5304 MonoImage *image; /* The image to use for looking up custom marshallers */
5305 } EmitMarshalContext;
5309 * This is invoked to convert arguments from the current types to
5310 * the underlying types expected by the platform routine. If required,
5311 * the methods create a temporary variable with the proper type, and return
5312 * the location for it (either the passed argument, or the newly allocated
5315 MARSHAL_ACTION_CONV_IN,
5318 * This operation is called to push the actual value that was optionally
5319 * converted on the first stage
5321 MARSHAL_ACTION_PUSH,
5324 * Convert byref arguments back or free resources allocated during the
5327 MARSHAL_ACTION_CONV_OUT,
5330 * The result from the unmanaged call is at the top of the stack when
5331 * this action is invoked. The result should be stored in the
5332 * third local variable slot.
5334 MARSHAL_ACTION_CONV_RESULT,
5336 MARSHAL_ACTION_MANAGED_CONV_IN,
5337 MARSHAL_ACTION_MANAGED_CONV_OUT,
5338 MARSHAL_ACTION_MANAGED_CONV_RESULT
5342 emit_marshal_custom (EmitMarshalContext *m, int argnum, MonoType *t,
5343 MonoMarshalSpec *spec,
5344 int conv_arg, MonoType **conv_arg_type,
5345 MarshalAction action)
5349 static MonoClass *ICustomMarshaler = NULL;
5350 static MonoMethod *cleanup_native, *cleanup_managed;
5351 static MonoMethod *marshal_managed_to_native, *marshal_native_to_managed;
5352 MonoMethod *get_instance;
5353 MonoMethodBuilder *mb = m->mb;
5354 char *exception_msg = NULL;
5358 if (!ICustomMarshaler) {
5359 ICustomMarshaler = mono_class_from_name (mono_defaults.corlib, "System.Runtime.InteropServices", "ICustomMarshaler");
5360 g_assert (ICustomMarshaler);
5362 cleanup_native = mono_class_get_method_from_name (ICustomMarshaler, "CleanUpNativeData", 1);
5363 g_assert (cleanup_native);
5364 cleanup_managed = mono_class_get_method_from_name (ICustomMarshaler, "CleanUpManagedData", 1);
5365 g_assert (cleanup_managed);
5366 marshal_managed_to_native = mono_class_get_method_from_name (ICustomMarshaler, "MarshalManagedToNative", 1);
5367 g_assert (marshal_managed_to_native);
5368 marshal_native_to_managed = mono_class_get_method_from_name (ICustomMarshaler, "MarshalNativeToManaged", 1);
5369 g_assert (marshal_native_to_managed);
5372 mtype = mono_reflection_type_from_name (spec->data.custom_data.custom_name, m->image);
5373 g_assert (mtype != NULL);
5374 mklass = mono_class_from_mono_type (mtype);
5375 g_assert (mklass != NULL);
5377 if (!mono_class_is_assignable_from (ICustomMarshaler, mklass))
5378 exception_msg = g_strdup_printf ("Custom marshaler '%s' does not implement the ICustomMarshaler interface.", mklass->name);
5380 get_instance = mono_class_get_method_from_name_flags (mklass, "GetInstance", 1, METHOD_ATTRIBUTE_STATIC);
5382 MonoMethodSignature *get_sig = mono_method_signature (get_instance);
5383 if ((get_sig->ret->type != MONO_TYPE_CLASS) ||
5384 (mono_class_from_mono_type (get_sig->ret) != ICustomMarshaler) ||
5385 (get_sig->params [0]->type != MONO_TYPE_STRING))
5386 get_instance = NULL;
5390 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);
5392 /* Throw exception and emit compensation code if neccesary */
5393 if (exception_msg) {
5395 case MARSHAL_ACTION_CONV_IN:
5396 case MARSHAL_ACTION_CONV_RESULT:
5397 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
5398 if ((action == MARSHAL_ACTION_CONV_RESULT) || (action == MARSHAL_ACTION_MANAGED_CONV_RESULT))
5399 mono_mb_emit_byte (mb, CEE_POP);
5401 mono_mb_emit_exception_full (mb, "System", "ApplicationException", exception_msg);
5402 g_free (exception_msg);
5405 case MARSHAL_ACTION_PUSH:
5406 mono_mb_emit_byte (mb, CEE_LDNULL);
5414 /* FIXME: MS.NET seems to create one instance for each klass + cookie pair */
5415 /* FIXME: MS.NET throws an exception if GetInstance returns null */
5418 case MARSHAL_ACTION_CONV_IN:
5420 case MONO_TYPE_CLASS:
5421 case MONO_TYPE_OBJECT:
5422 case MONO_TYPE_STRING:
5423 case MONO_TYPE_ARRAY:
5424 case MONO_TYPE_SZARRAY:
5425 case MONO_TYPE_VALUETYPE:
5429 g_warning ("custom marshalling of type %x is currently not supported", t->type);
5430 g_assert_not_reached ();
5434 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5436 mono_mb_emit_byte (mb, CEE_LDNULL);
5437 mono_mb_emit_stloc (mb, conv_arg);
5439 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT))
5442 /* Minic MS.NET behavior */
5443 if (!t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT) && !(t->attrs & PARAM_ATTRIBUTE_IN))
5446 /* Check for null */
5447 mono_mb_emit_ldarg (mb, argnum);
5449 mono_mb_emit_byte (mb, CEE_LDIND_I);
5450 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5452 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5454 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5456 mono_mb_emit_ldarg (mb, argnum);
5458 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5460 if (t->type == MONO_TYPE_VALUETYPE) {
5462 * Since we can't determine the type of the argument, we
5463 * will assume the unmanaged function takes a pointer.
5465 *conv_arg_type = &mono_defaults.int_class->byval_arg;
5467 mono_mb_emit_op (mb, CEE_BOX, mono_class_from_mono_type (t));
5470 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_managed_to_native);
5471 mono_mb_emit_stloc (mb, conv_arg);
5473 mono_mb_patch_branch (mb, pos2);
5476 case MARSHAL_ACTION_CONV_OUT:
5477 /* Check for null */
5478 mono_mb_emit_ldloc (mb, conv_arg);
5479 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5482 mono_mb_emit_ldarg (mb, argnum);
5484 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5486 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5488 mono_mb_emit_ldloc (mb, conv_arg);
5489 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
5490 mono_mb_emit_byte (mb, CEE_STIND_REF);
5491 } else if (t->attrs &PARAM_ATTRIBUTE_OUT) {
5492 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5494 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5496 mono_mb_emit_ldloc (mb, conv_arg);
5497 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
5499 /* We have nowhere to store the result */
5500 mono_mb_emit_byte (mb, CEE_POP);
5503 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5505 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5507 mono_mb_emit_ldloc (mb, conv_arg);
5509 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_native);
5511 mono_mb_patch_branch (mb, pos2);
5514 case MARSHAL_ACTION_PUSH:
5516 mono_mb_emit_ldloc_addr (mb, conv_arg);
5518 mono_mb_emit_ldloc (mb, conv_arg);
5521 case MARSHAL_ACTION_CONV_RESULT:
5522 loc1 = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5524 mono_mb_emit_stloc (mb, 3);
5526 mono_mb_emit_ldloc (mb, 3);
5527 mono_mb_emit_stloc (mb, loc1);
5529 /* Check for null */
5530 mono_mb_emit_ldloc (mb, 3);
5531 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5533 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5535 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5536 mono_mb_emit_byte (mb, CEE_DUP);
5538 mono_mb_emit_ldloc (mb, 3);
5539 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
5540 mono_mb_emit_stloc (mb, 3);
5542 mono_mb_emit_ldloc (mb, loc1);
5543 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_native);
5545 mono_mb_patch_branch (mb, pos2);
5548 case MARSHAL_ACTION_MANAGED_CONV_IN:
5554 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
5556 mono_mb_emit_byte (mb, CEE_LDNULL);
5557 mono_mb_emit_stloc (mb, conv_arg);
5559 /* Check for null */
5560 mono_mb_emit_ldarg (mb, argnum);
5561 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5563 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5564 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5566 mono_mb_emit_ldarg (mb, argnum);
5568 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
5569 mono_mb_emit_stloc (mb, conv_arg);
5571 mono_mb_patch_branch (mb, pos2);
5574 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
5575 g_assert (!t->byref);
5577 loc1 = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
5579 mono_mb_emit_stloc (mb, 3);
5581 mono_mb_emit_ldloc (mb, 3);
5582 mono_mb_emit_stloc (mb, loc1);
5584 /* Check for null */
5585 mono_mb_emit_ldloc (mb, 3);
5586 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5588 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5589 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5590 mono_mb_emit_byte (mb, CEE_DUP);
5592 mono_mb_emit_ldloc (mb, 3);
5593 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_managed_to_native);
5594 mono_mb_emit_stloc (mb, 3);
5596 mono_mb_emit_ldloc (mb, loc1);
5597 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_managed);
5599 mono_mb_patch_branch (mb, pos2);
5602 case MARSHAL_ACTION_MANAGED_CONV_OUT:
5603 g_assert (!t->byref);
5605 /* Check for null */
5606 mono_mb_emit_ldloc (mb, conv_arg);
5607 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5609 /* Call CleanUpManagedData */
5610 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5612 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5614 mono_mb_emit_ldloc (mb, conv_arg);
5615 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_managed);
5617 mono_mb_patch_branch (mb, pos2);
5621 g_assert_not_reached ();
5628 emit_marshal_asany (EmitMarshalContext *m, int argnum, MonoType *t,
5629 MonoMarshalSpec *spec,
5630 int conv_arg, MonoType **conv_arg_type,
5631 MarshalAction action)
5633 MonoMethodBuilder *mb = m->mb;
5636 case MARSHAL_ACTION_CONV_IN: {
5637 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, NULL);
5639 g_assert (t->type == MONO_TYPE_OBJECT);
5640 g_assert (!t->byref);
5642 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5643 mono_mb_emit_ldarg (mb, argnum);
5644 mono_mb_emit_icon (mb, encoding);
5645 mono_mb_emit_icon (mb, t->attrs);
5646 mono_mb_emit_icall (mb, mono_marshal_asany);
5647 mono_mb_emit_stloc (mb, conv_arg);
5651 case MARSHAL_ACTION_PUSH:
5652 mono_mb_emit_ldloc (mb, conv_arg);
5655 case MARSHAL_ACTION_CONV_OUT: {
5656 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, NULL);
5658 mono_mb_emit_ldarg (mb, argnum);
5659 mono_mb_emit_ldloc (mb, conv_arg);
5660 mono_mb_emit_icon (mb, encoding);
5661 mono_mb_emit_icon (mb, t->attrs);
5662 mono_mb_emit_icall (mb, mono_marshal_free_asany);
5667 g_assert_not_reached ();
5674 emit_marshal_vtype (EmitMarshalContext *m, int argnum, MonoType *t,
5675 MonoMarshalSpec *spec,
5676 int conv_arg, MonoType **conv_arg_type,
5677 MarshalAction action)
5679 MonoMethodBuilder *mb = m->mb;
5683 klass = t->data.klass;
5686 case MARSHAL_ACTION_CONV_IN:
5687 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
5688 klass->blittable || klass->enumtype)
5691 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5693 /* store the address of the source into local variable 0 */
5695 mono_mb_emit_ldarg (mb, argnum);
5697 mono_mb_emit_ldarg_addr (mb, argnum);
5699 mono_mb_emit_stloc (mb, 0);
5701 /* allocate space for the native struct and
5702 * store the address into local variable 1 (dest) */
5703 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
5704 mono_mb_emit_byte (mb, CEE_PREFIX1);
5705 mono_mb_emit_byte (mb, CEE_LOCALLOC);
5706 mono_mb_emit_stloc (mb, conv_arg);
5709 mono_mb_emit_ldloc (mb, 0);
5710 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
5713 if (!(t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && (t->attrs & PARAM_ATTRIBUTE_OUT))) {
5715 mono_mb_emit_ldloc (mb, conv_arg);
5716 mono_mb_emit_stloc (mb, 1);
5718 /* emit valuetype conversion code */
5719 emit_struct_conv (mb, klass, FALSE);
5723 mono_mb_patch_branch (mb, pos);
5726 case MARSHAL_ACTION_PUSH:
5727 if (spec && spec->native == MONO_NATIVE_LPSTRUCT) {
5729 g_assert (!t->byref);
5731 /* Have to change the signature since the vtype is passed byref */
5732 m->csig->params [argnum - m->csig->hasthis] = &mono_defaults.int_class->byval_arg;
5734 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
5735 klass->blittable || klass->enumtype)
5736 mono_mb_emit_ldarg_addr (mb, argnum);
5738 mono_mb_emit_ldloc (mb, conv_arg);
5742 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
5743 klass->blittable || klass->enumtype) {
5744 mono_mb_emit_ldarg (mb, argnum);
5747 mono_mb_emit_ldloc (mb, conv_arg);
5749 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5750 mono_mb_emit_op (mb, CEE_MONO_LDNATIVEOBJ, klass);
5754 case MARSHAL_ACTION_CONV_OUT:
5755 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
5756 klass->blittable || klass->enumtype)
5760 /* dst = argument */
5761 mono_mb_emit_ldarg (mb, argnum);
5762 mono_mb_emit_stloc (mb, 1);
5764 mono_mb_emit_ldloc (mb, 1);
5765 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
5767 if (!((t->attrs & PARAM_ATTRIBUTE_IN) && !(t->attrs & PARAM_ATTRIBUTE_OUT))) {
5768 /* src = tmp_locals [i] */
5769 mono_mb_emit_ldloc (mb, conv_arg);
5770 mono_mb_emit_stloc (mb, 0);
5772 /* emit valuetype conversion code */
5773 emit_struct_conv (mb, klass, TRUE);
5777 emit_struct_free (mb, klass, conv_arg);
5780 mono_mb_patch_branch (mb, pos);
5783 case MARSHAL_ACTION_CONV_RESULT:
5784 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
5786 mono_mb_emit_stloc (mb, 3);
5789 /* load pointer to returned value type */
5790 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5791 mono_mb_emit_byte (mb, CEE_MONO_VTADDR);
5792 /* store the address of the source into local variable 0 */
5793 mono_mb_emit_stloc (mb, 0);
5795 mono_mb_emit_ldloc_addr (mb, 3);
5796 mono_mb_emit_stloc (mb, 1);
5798 /* emit valuetype conversion code */
5799 emit_struct_conv (mb, klass, TRUE);
5802 case MARSHAL_ACTION_MANAGED_CONV_IN:
5803 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
5804 klass->blittable || klass->enumtype) {
5809 conv_arg = mono_mb_add_local (mb, &klass->byval_arg);
5811 if (t->attrs & PARAM_ATTRIBUTE_OUT)
5815 mono_mb_emit_ldarg (mb, argnum);
5817 mono_mb_emit_ldarg_addr (mb, argnum);
5818 mono_mb_emit_stloc (mb, 0);
5821 mono_mb_emit_ldloc (mb, 0);
5822 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
5825 mono_mb_emit_ldloc_addr (mb, conv_arg);
5826 mono_mb_emit_stloc (mb, 1);
5828 /* emit valuetype conversion code */
5829 emit_struct_conv (mb, klass, TRUE);
5832 mono_mb_patch_branch (mb, pos);
5835 case MARSHAL_ACTION_MANAGED_CONV_OUT:
5836 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
5837 klass->blittable || klass->enumtype) {
5841 /* Check for null */
5842 mono_mb_emit_ldarg (mb, argnum);
5843 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5846 mono_mb_emit_ldloc_addr (mb, conv_arg);
5847 mono_mb_emit_stloc (mb, 0);
5850 mono_mb_emit_ldarg (mb, argnum);
5851 mono_mb_emit_stloc (mb, 1);
5853 /* emit valuetype conversion code */
5854 emit_struct_conv (mb, klass, FALSE);
5856 mono_mb_patch_branch (mb, pos2);
5859 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
5860 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
5861 klass->blittable || klass->enumtype) {
5862 mono_mb_emit_stloc (mb, 3);
5867 /* load pointer to returned value type */
5868 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5869 mono_mb_emit_byte (mb, CEE_MONO_VTADDR);
5871 /* store the address of the source into local variable 0 */
5872 mono_mb_emit_stloc (mb, 0);
5873 /* allocate space for the native struct and
5874 * store the address into dst_ptr */
5875 m->retobj_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5876 m->retobj_class = klass;
5877 g_assert (m->retobj_var);
5878 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
5879 mono_mb_emit_byte (mb, CEE_CONV_I);
5880 mono_mb_emit_icall (mb, mono_marshal_alloc);
5881 mono_mb_emit_stloc (mb, 1);
5882 mono_mb_emit_ldloc (mb, 1);
5883 mono_mb_emit_stloc (mb, m->retobj_var);
5885 /* emit valuetype conversion code */
5886 emit_struct_conv (mb, klass, FALSE);
5890 g_assert_not_reached ();
5897 emit_marshal_string (EmitMarshalContext *m, int argnum, MonoType *t,
5898 MonoMarshalSpec *spec,
5899 int conv_arg, MonoType **conv_arg_type,
5900 MarshalAction action)
5902 MonoMethodBuilder *mb = m->mb;
5903 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
5904 MonoMarshalConv conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
5908 case MARSHAL_ACTION_CONV_IN:
5909 *conv_arg_type = &mono_defaults.int_class->byval_arg;
5910 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5913 if (t->attrs & PARAM_ATTRIBUTE_OUT)
5916 mono_mb_emit_ldarg (mb, argnum);
5917 mono_mb_emit_byte (mb, CEE_LDIND_I);
5919 mono_mb_emit_ldarg (mb, argnum);
5923 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
5924 MonoException *exc = mono_get_exception_not_implemented (msg);
5927 mono_raise_exception (exc);
5930 mono_mb_emit_icall (mb, conv_to_icall (conv));
5932 mono_mb_emit_stloc (mb, conv_arg);
5935 case MARSHAL_ACTION_CONV_OUT:
5936 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT)) {
5937 mono_mb_emit_ldarg (mb, argnum);
5938 mono_mb_emit_ldloc (mb, conv_arg);
5939 if (conv == MONO_MARSHAL_CONV_STR_BSTR) {
5940 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_BSTR_STR));
5941 // BSTRs always need freed
5942 mono_mb_emit_ldloc (mb, conv_arg);
5943 mono_mb_emit_icall (mb, mono_free_bstr);
5946 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_LPSTR_STR));
5947 mono_mb_emit_byte (mb, CEE_STIND_REF);
5949 if (mono_marshal_need_free (t, m->piinfo, spec)) {
5950 mono_mb_emit_ldloc (mb, conv_arg);
5951 if (conv == MONO_MARSHAL_CONV_STR_BSTR)
5952 mono_mb_emit_icall (mb, mono_free_bstr);
5954 mono_mb_emit_icall (mb, mono_marshal_free);
5959 case MARSHAL_ACTION_PUSH:
5961 mono_mb_emit_ldloc_addr (mb, conv_arg);
5963 mono_mb_emit_ldloc (mb, conv_arg);
5966 case MARSHAL_ACTION_CONV_RESULT:
5967 mono_mb_emit_stloc (mb, 0);
5969 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
5971 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
5972 mono_mb_emit_exception_marshal_directive (mb, msg);
5976 mono_mb_emit_ldloc (mb, 0);
5977 mono_mb_emit_icall (mb, conv_to_icall (conv));
5978 mono_mb_emit_stloc (mb, 3);
5980 /* free the string */
5981 mono_mb_emit_ldloc (mb, 0);
5982 if (conv == MONO_MARSHAL_CONV_BSTR_STR)
5983 mono_mb_emit_icall (mb, mono_free_bstr);
5985 mono_mb_emit_icall (mb, g_free);
5988 case MARSHAL_ACTION_MANAGED_CONV_IN:
5994 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
5995 *conv_arg_type = &mono_defaults.int_class->byval_arg;
5997 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
5999 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
6000 mono_mb_emit_exception_marshal_directive (mb, msg);
6004 mono_mb_emit_ldarg (mb, argnum);
6005 mono_mb_emit_icall (mb, conv_to_icall (conv));
6006 mono_mb_emit_stloc (mb, conv_arg);
6009 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
6010 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_STR_LPSTR));
6011 mono_mb_emit_stloc (mb, 3);
6015 g_assert_not_reached ();
6022 emit_marshal_safehandle (EmitMarshalContext *m, int argnum, MonoType *t,
6023 MonoMarshalSpec *spec, int conv_arg,
6024 MonoType **conv_arg_type, MarshalAction action)
6026 MonoMethodBuilder *mb = m->mb;
6029 g_error ("SafeHandle ACTION_PUSH by ref not yet handled\n");
6032 case MARSHAL_ACTION_CONV_IN: {
6034 MonoType *intptr_type;
6035 int dar_release_slot;
6037 intptr_type = &mono_defaults.int_class->byval_arg;
6038 conv_arg = mono_mb_add_local (mb, intptr_type);
6039 *conv_arg_type = intptr_type;
6041 /* Create local to hold the ref parameter to DangerousAddRef */
6042 dar_release_slot = mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
6044 /* set release = false; */
6045 mono_mb_emit_icon (mb, 0);
6046 mono_mb_emit_stloc (mb, dar_release_slot);
6048 if (!sh_dangerous_add_ref)
6049 init_safe_handle ();
6051 /* safehandle.DangerousAddRef (ref release) */
6052 mono_mb_emit_ldarg (mb, argnum);
6053 mono_mb_emit_ldloc_addr (mb, dar_release_slot);
6054 mono_mb_emit_managed_call (mb, sh_dangerous_add_ref, NULL);
6056 /* Pull the handle field from SafeHandle */
6057 mono_mb_emit_ldarg (mb, argnum);
6058 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoSafeHandle, handle));
6059 mono_mb_emit_byte (mb, CEE_LDIND_I);
6060 mono_mb_emit_stloc (mb, conv_arg);
6065 case MARSHAL_ACTION_PUSH:
6066 mono_mb_emit_ldloc (mb, conv_arg);
6069 case MARSHAL_ACTION_CONV_OUT: {
6070 /* The slot for the boolean is the next temporary created after conv_arg, see the CONV_IN code */
6071 int dar_release_slot = conv_arg + 1;
6074 if (!sh_dangerous_release)
6075 init_safe_handle ();
6077 mono_mb_emit_ldloc (mb, dar_release_slot);
6078 label_next = mono_mb_emit_branch (mb, CEE_BRFALSE);
6079 mono_mb_emit_ldarg (mb, argnum);
6080 mono_mb_emit_managed_call (mb, sh_dangerous_release, NULL);
6081 mono_mb_patch_addr (mb, label_next, mb->pos - (label_next + 4));
6085 case MARSHAL_ACTION_CONV_RESULT: {
6086 MonoMethod *ctor = NULL;
6087 int intptr_handle_slot;
6089 if (t->data.klass->flags & TYPE_ATTRIBUTE_ABSTRACT){
6090 mono_mb_emit_byte (mb, CEE_POP);
6091 mono_mb_emit_exception_marshal_directive (mb, "Returned SafeHandles should not be abstract");
6095 ctor = mono_class_get_method_from_name (t->data.klass, ".ctor", 0);
6097 mono_mb_emit_byte (mb, CEE_POP);
6098 mono_mb_emit_exception (mb, "MissingMethodException", "paramterless constructor required");
6101 /* Store the IntPtr results into a local */
6102 intptr_handle_slot = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6103 mono_mb_emit_stloc (mb, intptr_handle_slot);
6105 /* Create return value */
6106 mono_mb_emit_op (mb, CEE_NEWOBJ, ctor);
6107 mono_mb_emit_stloc (mb, 3);
6109 /* Set the return.handle to the value, am using ldflda, not sure if thats a good idea */
6110 mono_mb_emit_ldloc (mb, 3);
6111 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoSafeHandle, handle));
6112 mono_mb_emit_ldloc (mb, intptr_handle_slot);
6113 mono_mb_emit_byte (mb, CEE_STIND_I);
6117 case MARSHAL_ACTION_MANAGED_CONV_IN:
6118 printf ("Missing MANAGED_CONV_IN\n");
6121 case MARSHAL_ACTION_MANAGED_CONV_OUT:
6122 printf ("Missing MANAGED_CONV_OUT\n");
6125 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
6126 printf ("Missing MANAGED_CONV_RESULT\n");
6129 printf ("Unhandled case for MarshalAction: %d\n", action);
6136 emit_marshal_object (EmitMarshalContext *m, int argnum, MonoType *t,
6137 MonoMarshalSpec *spec,
6138 int conv_arg, MonoType **conv_arg_type,
6139 MarshalAction action)
6141 MonoMethodBuilder *mb = m->mb;
6142 MonoClass *klass = t->data.klass;
6145 if (mono_class_from_mono_type (t) == mono_defaults.object_class &&
6146 (!spec || (spec && spec->native != MONO_NATIVE_STRUCT)) &&
6147 (!spec || (spec && (spec->native != MONO_NATIVE_IUNKNOWN &&
6148 spec->native != MONO_NATIVE_IDISPATCH &&
6149 spec->native != MONO_NATIVE_INTERFACE)))) {
6150 mono_raise_exception (mono_get_exception_not_implemented ("Marshalling of type object is not implemented"));
6154 case MARSHAL_ACTION_CONV_IN:
6155 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6156 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6158 m->orig_conv_args [argnum] = 0;
6160 if (spec && spec->native == MONO_NATIVE_STRUCT)
6162 static MonoMethod *get_native_variant_for_object = NULL;
6164 if (!get_native_variant_for_object)
6165 get_native_variant_for_object = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetNativeVariantForObject", 2);
6167 *conv_arg_type = &mono_defaults.variant_class->byval_arg;
6169 local_variant = mono_mb_add_local (mb, &mono_defaults.variant_class->byval_arg);
6170 conv_arg = local_variant;
6171 mono_mb_emit_ldarg (mb, argnum);
6173 mono_mb_emit_byte(mb, CEE_LDIND_REF);
6174 mono_mb_emit_ldloc_addr (mb, local_variant);
6175 mono_mb_emit_managed_call (mb, get_native_variant_for_object, NULL);
6177 else if (spec && (spec->native == MONO_NATIVE_IUNKNOWN ||
6178 spec->native == MONO_NATIVE_IDISPATCH ||
6179 spec->native == MONO_NATIVE_INTERFACE)) {
6180 mono_mb_emit_ptr (mb, 0);
6181 mono_mb_emit_stloc (mb, conv_arg);
6184 /* we dont need any conversions for out parameters */
6185 if (t->attrs & PARAM_ATTRIBUTE_OUT)
6188 char *msg = g_strdup_printf ("non out object references are no implemented");
6189 MonoException *exc = mono_get_exception_not_implemented (msg);
6192 mono_raise_exception (exc);
6197 guint32 pos_failed = 0, pos_rcw = 0;
6198 mono_mb_emit_ldarg (mb, argnum);
6199 // if null just break, conv arg was already inited to 0
6200 pos_failed = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
6202 mono_mb_emit_ldarg (mb, argnum);
6203 mono_mb_emit_icall (mb, cominterop_object_is_rcw);
6204 pos_rcw = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
6206 mono_mb_emit_ldarg (mb, argnum);
6207 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
6208 mono_mb_emit_byte (mb, CEE_LDIND_REF);
6210 /* load the RCW from the ComInteropProxy*/
6211 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoComInteropProxy, com_object));
6212 mono_mb_emit_byte (mb, CEE_LDIND_REF);
6214 if (klass && klass != mono_defaults.object_class) {
6215 static MonoMethod* GetInterface = NULL;
6218 GetInterface = mono_class_get_method_from_name (mono_defaults.com_object_class, "GetInterface", 1);
6219 mono_mb_emit_ptr (mb, t);
6220 mono_mb_emit_icall (mb, type_from_handle);
6221 mono_mb_emit_managed_call (mb, GetInterface, NULL);
6223 else if (spec->native == MONO_NATIVE_IUNKNOWN) {
6224 static MonoProperty* iunknown = NULL;
6227 iunknown = mono_class_get_property_from_name (mono_defaults.com_object_class, "IUnknown");
6228 mono_mb_emit_managed_call (mb, iunknown->get, NULL);
6230 else if (spec->native == MONO_NATIVE_IDISPATCH) {
6231 static MonoProperty* idispatch = NULL;
6234 idispatch = mono_class_get_property_from_name (mono_defaults.com_object_class, "IDispatch");
6235 mono_mb_emit_managed_call (mb, idispatch->get, NULL);
6239 mono_mb_emit_stloc (mb, conv_arg);
6242 mono_mb_patch_short_branch (mb, pos_rcw);
6243 msg = g_strdup ("Marshalling of COM Callable Wrappers is not yet implemented.");
6244 mono_mb_emit_exception_marshal_directive (mb, msg);
6247 mono_mb_patch_short_branch (mb, pos_failed);
6250 else if (klass->delegate) {
6251 g_assert (!t->byref);
6252 mono_mb_emit_ldarg (mb, argnum);
6253 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_DEL_FTN));
6254 mono_mb_emit_stloc (mb, conv_arg);
6255 } else if (klass == mono_defaults.stringbuilder_class) {
6256 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
6257 MonoMarshalConv conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
6259 g_assert (!t->byref);
6260 mono_mb_emit_ldarg (mb, argnum);
6263 mono_mb_emit_icall (mb, conv_to_icall (conv));
6265 char *msg = g_strdup_printf ("stringbuilder marshalling conversion %d not implemented", encoding);
6266 MonoException *exc = mono_get_exception_not_implemented (msg);
6269 mono_raise_exception (exc);
6272 mono_mb_emit_stloc (mb, conv_arg);
6273 } else if (klass->blittable) {
6274 mono_mb_emit_byte (mb, CEE_LDNULL);
6275 mono_mb_emit_stloc (mb, conv_arg);
6277 mono_mb_emit_ldarg (mb, argnum);
6278 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6280 mono_mb_emit_ldarg (mb, argnum);
6281 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6282 mono_mb_emit_stloc (mb, conv_arg);
6284 mono_mb_patch_branch (mb, pos);
6287 mono_mb_emit_byte (mb, CEE_LDNULL);
6288 mono_mb_emit_stloc (mb, conv_arg);
6291 /* we dont need any conversions for out parameters */
6292 if (t->attrs & PARAM_ATTRIBUTE_OUT)
6295 mono_mb_emit_ldarg (mb, argnum);
6296 mono_mb_emit_byte (mb, CEE_LDIND_I);
6299 mono_mb_emit_ldarg (mb, argnum);
6300 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6301 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
6304 /* store the address of the source into local variable 0 */
6305 mono_mb_emit_stloc (mb, 0);
6306 mono_mb_emit_ldloc (mb, 0);
6307 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6309 /* allocate space for the native struct and store the address */
6310 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
6311 mono_mb_emit_byte (mb, CEE_PREFIX1);
6312 mono_mb_emit_byte (mb, CEE_LOCALLOC);
6313 mono_mb_emit_stloc (mb, conv_arg);
6316 /* Need to store the original buffer so we can free it later */
6317 m->orig_conv_args [argnum] = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6318 mono_mb_emit_ldloc (mb, conv_arg);
6319 mono_mb_emit_stloc (mb, m->orig_conv_args [argnum]);
6322 /* set the src_ptr */
6323 mono_mb_emit_ldloc (mb, 0);
6324 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6325 mono_mb_emit_stloc (mb, 0);
6328 mono_mb_emit_ldloc (mb, conv_arg);
6329 mono_mb_emit_stloc (mb, 1);
6331 /* emit valuetype conversion code */
6332 emit_struct_conv (mb, klass, FALSE);
6334 mono_mb_patch_branch (mb, pos);
6338 case MARSHAL_ACTION_CONV_OUT:
6339 if (spec && spec->native == MONO_NATIVE_STRUCT) {
6340 static MonoMethod *variant_clear = NULL;
6341 static MonoMethod *get_object_for_native_variant = NULL;
6343 variant_clear = mono_class_get_method_from_name (mono_defaults.variant_class, "Clear", 0);
6344 if (!get_object_for_native_variant)
6345 get_object_for_native_variant = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetObjectForNativeVariant", 1);
6347 mono_mb_emit_ldarg (mb, argnum);
6348 mono_mb_emit_ldloc_addr (mb, conv_arg);
6349 mono_mb_emit_managed_call (mb, get_object_for_native_variant, NULL);
6350 mono_mb_emit_byte (mb, CEE_STIND_REF);
6353 mono_mb_emit_ldloc_addr (mb, conv_arg);
6354 mono_mb_emit_managed_call (mb, variant_clear, NULL);
6358 if (spec && (spec->native == MONO_NATIVE_IUNKNOWN ||
6359 spec->native == MONO_NATIVE_IDISPATCH ||
6360 spec->native == MONO_NATIVE_INTERFACE)) {
6361 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT)) {
6362 static MonoClass* com_interop_proxy_class = NULL;
6363 static MonoMethod* com_interop_proxy_get_proxy = NULL;
6364 static MonoMethod* get_transparent_proxy = NULL;
6366 guint32 pos_failed = 0;
6368 mono_mb_emit_ldarg (mb, argnum);
6369 mono_mb_emit_byte (mb, CEE_LDNULL);
6370 mono_mb_emit_byte (mb, CEE_STIND_REF);
6372 mono_mb_emit_ldloc (mb, conv_arg);
6373 pos_failed = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
6375 if (!com_interop_proxy_class)
6376 com_interop_proxy_class = mono_class_from_name (mono_defaults.corlib, "Mono.Interop", "ComInteropProxy");
6377 if (!com_interop_proxy_get_proxy)
6378 com_interop_proxy_get_proxy = mono_class_get_method_from_name_flags (com_interop_proxy_class, "GetProxy", 2, METHOD_ATTRIBUTE_PRIVATE);
6379 if (!get_transparent_proxy)
6380 get_transparent_proxy = mono_class_get_method_from_name (mono_defaults.real_proxy_class, "GetTransparentProxy", 0);
6382 real_proxy = mono_mb_add_local (mb, &com_interop_proxy_class->byval_arg);
6384 mono_mb_emit_ldloc (mb, conv_arg);
6385 mono_mb_emit_ptr (mb, &mono_defaults.com_object_class->byval_arg);
6386 mono_mb_emit_icall (mb, type_from_handle);
6387 mono_mb_emit_managed_call (mb, com_interop_proxy_get_proxy, NULL);
6388 mono_mb_emit_stloc (mb, real_proxy);
6391 mono_mb_emit_ldarg (mb, argnum);
6392 mono_mb_emit_ldloc (mb, real_proxy);
6393 mono_mb_emit_managed_call (mb, get_transparent_proxy, NULL);
6394 if (klass && klass != mono_defaults.object_class)
6395 mono_mb_emit_op (mb, CEE_CASTCLASS, klass);
6396 mono_mb_emit_byte (mb, CEE_STIND_REF);
6399 mono_mb_patch_short_branch (mb, pos_failed);
6403 if (klass == mono_defaults.stringbuilder_class) {
6405 MonoMarshalNative encoding;
6406 MonoMarshalConv conv;
6408 encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
6409 conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free);
6411 g_assert (!t->byref);
6412 g_assert (encoding != -1);
6414 mono_mb_emit_ldarg (mb, argnum);
6415 mono_mb_emit_ldloc (mb, conv_arg);
6417 mono_mb_emit_icall (mb, conv_to_icall (conv));
6420 mono_mb_emit_ldloc (mb, conv_arg);
6421 mono_mb_emit_icall (mb, mono_marshal_free);
6426 if (klass->delegate)
6429 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT)) {
6430 /* allocate a new object */
6431 mono_mb_emit_ldarg (mb, argnum);
6432 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6433 mono_mb_emit_op (mb, CEE_MONO_NEWOBJ, t->data.klass);
6434 mono_mb_emit_byte (mb, CEE_STIND_REF);
6437 /* dst = *argument */
6438 mono_mb_emit_ldarg (mb, argnum);
6441 mono_mb_emit_byte (mb, CEE_LDIND_I);
6443 mono_mb_emit_stloc (mb, 1);
6445 mono_mb_emit_ldloc (mb, 1);
6446 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6448 if (t->byref || (t->attrs & PARAM_ATTRIBUTE_OUT)) {
6449 mono_mb_emit_ldloc (mb, 1);
6450 mono_mb_emit_icon (mb, sizeof (MonoObject));
6451 mono_mb_emit_byte (mb, CEE_ADD);
6452 mono_mb_emit_stloc (mb, 1);
6454 /* src = tmp_locals [i] */
6455 mono_mb_emit_ldloc (mb, conv_arg);
6456 mono_mb_emit_stloc (mb, 0);
6458 /* emit valuetype conversion code */
6459 emit_struct_conv (mb, t->data.klass, TRUE);
6461 /* Free the structure returned by the native code */
6462 emit_struct_free (mb, klass, conv_arg);
6464 if (m->orig_conv_args [argnum]) {
6466 * If the native function changed the pointer, then free
6467 * the original structure plus the new pointer.
6469 mono_mb_emit_ldloc (mb, m->orig_conv_args [argnum]);
6470 mono_mb_emit_ldloc (mb, conv_arg);
6471 pos2 = mono_mb_emit_branch (mb, CEE_BEQ);
6473 if (!(t->attrs & PARAM_ATTRIBUTE_OUT)) {
6474 g_assert (m->orig_conv_args [argnum]);
6476 emit_struct_free (mb, klass, m->orig_conv_args [argnum]);
6479 mono_mb_emit_ldloc (mb, conv_arg);
6480 mono_mb_emit_icall (mb, g_free);
6482 mono_mb_patch_branch (mb, pos2);
6486 /* Free the original structure passed to native code */
6487 emit_struct_free (mb, klass, conv_arg);
6489 mono_mb_patch_branch (mb, pos);
6492 case MARSHAL_ACTION_PUSH:
6494 mono_mb_emit_ldloc_addr (mb, conv_arg);
6496 mono_mb_emit_ldloc (mb, conv_arg);
6499 case MARSHAL_ACTION_CONV_RESULT:
6500 if (klass->delegate) {
6501 g_assert (!t->byref);
6502 mono_mb_emit_stloc (mb, 0);
6503 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6504 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
6505 mono_mb_emit_ldloc (mb, 0);
6506 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_FTN_DEL));
6507 mono_mb_emit_stloc (mb, 3);
6508 } else if (spec && (spec->native == MONO_NATIVE_IUNKNOWN ||
6509 spec->native == MONO_NATIVE_IDISPATCH ||
6510 spec->native == MONO_NATIVE_INTERFACE)) {
6511 char *msg = g_strdup ("Marshalling of COM Objects is not yet implemented.");
6512 mono_mb_emit_exception_marshal_directive (mb, msg);
6515 mono_mb_emit_stloc (mb, 0);
6517 /* Make a copy since emit_conv modifies local 0 */
6518 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6519 mono_mb_emit_ldloc (mb, 0);
6520 mono_mb_emit_stloc (mb, loc);
6522 mono_mb_emit_byte (mb, CEE_LDNULL);
6523 mono_mb_emit_stloc (mb, 3);
6525 mono_mb_emit_ldloc (mb, 0);
6526 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6528 /* allocate result object */
6530 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6531 mono_mb_emit_op (mb, CEE_MONO_NEWOBJ, klass);
6532 mono_mb_emit_stloc (mb, 3);
6536 mono_mb_emit_ldloc (mb, 3);
6537 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6538 mono_mb_emit_stloc (mb, 1);
6540 /* emit conversion code */
6541 emit_struct_conv (mb, klass, TRUE);
6543 emit_struct_free (mb, klass, loc);
6545 /* Free the pointer allocated by unmanaged code */
6546 mono_mb_emit_ldloc (mb, loc);
6547 mono_mb_emit_icall (mb, g_free);
6548 mono_mb_patch_branch (mb, pos);
6552 case MARSHAL_ACTION_MANAGED_CONV_IN:
6553 conv_arg = mono_mb_add_local (mb, &klass->byval_arg);
6555 if (klass->delegate) {
6556 g_assert (!t->byref);
6557 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6558 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
6559 mono_mb_emit_ldarg (mb, argnum);
6560 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_FTN_DEL));
6561 mono_mb_emit_stloc (mb, conv_arg);
6565 /* The class can not have an automatic layout */
6566 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
6567 mono_mb_emit_auto_layout_exception (mb, klass);
6571 if (t->attrs & PARAM_ATTRIBUTE_OUT) {
6572 mono_mb_emit_byte (mb, CEE_LDNULL);
6573 mono_mb_emit_stloc (mb, conv_arg);
6578 mono_mb_emit_ldarg (mb, argnum);
6582 /* Check for NULL and raise an exception */
6583 pos2 = mono_mb_emit_branch (mb, CEE_BRTRUE);
6585 mono_mb_emit_exception (mb, "ArgumentNullException", NULL);
6587 mono_mb_patch_branch (mb, pos2);
6588 mono_mb_emit_ldarg (mb, argnum);
6589 mono_mb_emit_byte (mb, CEE_LDIND_I);
6592 mono_mb_emit_stloc (mb, 0);
6594 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
6595 mono_mb_emit_stloc (mb, conv_arg);
6597 mono_mb_emit_ldloc (mb, 0);
6598 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6600 /* Create and set dst */
6601 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6602 mono_mb_emit_op (mb, CEE_MONO_NEWOBJ, klass);
6603 mono_mb_emit_stloc (mb, conv_arg);
6604 mono_mb_emit_ldloc (mb, conv_arg);
6605 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6606 mono_mb_emit_stloc (mb, 1);
6608 /* emit valuetype conversion code */
6609 emit_struct_conv (mb, klass, TRUE);
6611 mono_mb_patch_branch (mb, pos);
6614 case MARSHAL_ACTION_MANAGED_CONV_OUT:
6616 /* Check for null */
6617 mono_mb_emit_ldloc (mb, conv_arg);
6618 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
6619 mono_mb_emit_ldarg (mb, argnum);
6620 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
6621 mono_mb_emit_byte (mb, CEE_STIND_REF);
6622 pos2 = mono_mb_emit_branch (mb, CEE_BR);
6624 mono_mb_patch_branch (mb, pos);
6627 mono_mb_emit_ldloc (mb, conv_arg);
6628 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6629 mono_mb_emit_stloc (mb, 0);
6631 /* Allocate and set dest */
6632 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
6633 mono_mb_emit_byte (mb, CEE_CONV_I);
6634 mono_mb_emit_icall (mb, mono_marshal_alloc);
6635 mono_mb_emit_stloc (mb, 1);
6637 /* Update argument pointer */
6638 mono_mb_emit_ldarg (mb, argnum);
6639 mono_mb_emit_ldloc (mb, 1);
6640 mono_mb_emit_byte (mb, CEE_STIND_I);
6642 /* emit valuetype conversion code */
6643 emit_struct_conv (mb, klass, FALSE);
6645 mono_mb_patch_branch (mb, pos2);
6647 /* byval [Out] marshalling */
6649 /* FIXME: Handle null */
6652 mono_mb_emit_ldloc (mb, conv_arg);
6653 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6654 mono_mb_emit_stloc (mb, 0);
6657 mono_mb_emit_ldarg (mb, argnum);
6658 mono_mb_emit_stloc (mb, 1);
6660 /* emit valuetype conversion code */
6661 emit_struct_conv (mb, klass, FALSE);
6665 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
6666 if (klass->delegate) {
6667 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_DEL_FTN));
6668 mono_mb_emit_stloc (mb, 3);
6672 /* The class can not have an automatic layout */
6673 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
6674 mono_mb_emit_auto_layout_exception (mb, klass);
6678 mono_mb_emit_stloc (mb, 0);
6679 /* Check for null */
6680 mono_mb_emit_ldloc (mb, 0);
6681 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
6682 mono_mb_emit_byte (mb, CEE_LDNULL);
6683 mono_mb_emit_stloc (mb, 3);
6684 pos2 = mono_mb_emit_branch (mb, CEE_BR);
6686 mono_mb_patch_branch (mb, pos);
6689 mono_mb_emit_ldloc (mb, 0);
6690 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6691 mono_mb_emit_stloc (mb, 0);
6693 /* Allocate and set dest */
6694 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
6695 mono_mb_emit_byte (mb, CEE_CONV_I);
6696 mono_mb_emit_icall (mb, mono_marshal_alloc);
6697 mono_mb_emit_byte (mb, CEE_DUP);
6698 mono_mb_emit_stloc (mb, 1);
6699 mono_mb_emit_stloc (mb, 3);
6701 emit_struct_conv (mb, klass, FALSE);
6703 mono_mb_patch_branch (mb, pos2);
6707 g_assert_not_reached ();
6714 emit_marshal_array (EmitMarshalContext *m, int argnum, MonoType *t,
6715 MonoMarshalSpec *spec,
6716 int conv_arg, MonoType **conv_arg_type,
6717 MarshalAction action)
6719 MonoMethodBuilder *mb = m->mb;
6720 MonoClass *klass = mono_class_from_mono_type (t);
6721 gboolean need_convert, need_free;
6722 MonoMarshalNative encoding;
6724 encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
6727 case MARSHAL_ACTION_CONV_IN:
6728 *conv_arg_type = &mono_defaults.object_class->byval_arg;
6729 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
6731 if (klass->element_class->blittable) {
6732 mono_mb_emit_ldarg (mb, argnum);
6734 mono_mb_emit_byte (mb, CEE_LDIND_I);
6735 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_ARRAY_LPARRAY));
6736 mono_mb_emit_stloc (mb, conv_arg);
6739 guint32 label1, label2, label3;
6740 int index_var, src_var, dest_ptr, esize;
6741 MonoMarshalConv conv;
6742 gboolean is_string = FALSE;
6744 dest_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6746 eklass = klass->element_class;
6748 if (eklass == mono_defaults.string_class) {
6750 conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
6752 else if (eklass == mono_defaults.stringbuilder_class) {
6754 conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
6759 src_var = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
6760 mono_mb_emit_ldarg (mb, argnum);
6762 mono_mb_emit_byte (mb, CEE_LDIND_I);
6763 mono_mb_emit_stloc (mb, src_var);
6766 mono_mb_emit_ldloc (mb, src_var);
6767 mono_mb_emit_stloc (mb, conv_arg);
6768 mono_mb_emit_ldloc (mb, src_var);
6769 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6773 char *msg = g_strdup_printf ("string/stringbuilder marshalling conversion %d not implemented", encoding);
6774 MonoException *exc = mono_get_exception_not_implemented (msg);
6777 mono_raise_exception (exc);
6782 esize = sizeof (gpointer);
6784 esize = mono_class_native_size (eklass, NULL);
6786 /* allocate space for the native struct and store the address */
6787 mono_mb_emit_icon (mb, esize);
6788 mono_mb_emit_ldloc (mb, src_var);
6789 mono_mb_emit_byte (mb, CEE_LDLEN);
6791 if (eklass == mono_defaults.string_class) {
6792 /* Make the array bigger for the terminating null */
6793 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
6794 mono_mb_emit_byte (mb, CEE_ADD);
6796 mono_mb_emit_byte (mb, CEE_MUL);
6797 mono_mb_emit_byte (mb, CEE_PREFIX1);
6798 mono_mb_emit_byte (mb, CEE_LOCALLOC);
6799 mono_mb_emit_stloc (mb, conv_arg);
6801 mono_mb_emit_ldloc (mb, conv_arg);
6802 mono_mb_emit_stloc (mb, dest_ptr);
6804 /* Emit marshalling loop */
6805 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6806 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
6807 mono_mb_emit_stloc (mb, index_var);
6809 mono_mb_emit_ldloc (mb, index_var);
6810 mono_mb_emit_ldloc (mb, src_var);
6811 mono_mb_emit_byte (mb, CEE_LDLEN);
6812 label3 = mono_mb_emit_branch (mb, CEE_BGE);
6814 /* Emit marshalling code */
6817 mono_mb_emit_ldloc (mb, dest_ptr);
6818 mono_mb_emit_ldloc (mb, src_var);
6819 mono_mb_emit_ldloc (mb, index_var);
6820 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
6821 mono_mb_emit_icall (mb, conv_to_icall (conv));
6822 mono_mb_emit_byte (mb, CEE_STIND_I);
6824 /* set the src_ptr */
6825 mono_mb_emit_ldloc (mb, src_var);
6826 mono_mb_emit_ldloc (mb, index_var);
6827 mono_mb_emit_op (mb, CEE_LDELEMA, eklass);
6828 mono_mb_emit_stloc (mb, 0);
6831 mono_mb_emit_ldloc (mb, dest_ptr);
6832 mono_mb_emit_stloc (mb, 1);
6834 /* emit valuetype conversion code */
6835 emit_struct_conv (mb, eklass, FALSE);
6838 mono_mb_emit_add_to_local (mb, index_var, 1);
6839 mono_mb_emit_add_to_local (mb, dest_ptr, esize);
6841 mono_mb_emit_byte (mb, CEE_BR);
6842 mono_mb_emit_i4 (mb, label2 - (mb->pos + 4));
6844 mono_mb_patch_branch (mb, label3);
6846 if (eklass == mono_defaults.string_class) {
6847 /* Null terminate */
6848 mono_mb_emit_ldloc (mb, dest_ptr);
6849 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
6850 mono_mb_emit_byte (mb, CEE_STIND_REF);
6853 mono_mb_patch_branch (mb, label1);
6858 case MARSHAL_ACTION_CONV_OUT:
6859 /* Unicode character arrays are implicitly marshalled as [Out] under MS.NET */
6860 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);
6861 need_free = mono_marshal_need_free (&klass->element_class->byval_arg,
6864 if (need_convert || need_free) {
6865 /* FIXME: Optimize blittable case */
6867 guint32 label1, label2, label3;
6868 int index_var, src_ptr, loc, esize;
6870 eklass = klass->element_class;
6871 if ((eklass == mono_defaults.stringbuilder_class) || (eklass == mono_defaults.string_class))
6872 esize = sizeof (gpointer);
6874 esize = mono_class_native_size (eklass, NULL);
6875 src_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6876 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6879 mono_mb_emit_ldarg (mb, argnum);
6881 mono_mb_emit_byte (mb, CEE_LDIND_I);
6882 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6884 mono_mb_emit_ldloc (mb, conv_arg);
6885 mono_mb_emit_stloc (mb, src_ptr);
6887 /* Emit marshalling loop */
6888 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6889 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
6890 mono_mb_emit_stloc (mb, index_var);
6892 mono_mb_emit_ldloc (mb, index_var);
6893 mono_mb_emit_ldarg (mb, argnum);
6895 mono_mb_emit_byte (mb, CEE_LDIND_REF);
6896 mono_mb_emit_byte (mb, CEE_LDLEN);
6897 label3 = mono_mb_emit_branch (mb, CEE_BGE);
6899 /* Emit marshalling code */
6901 if (eklass == mono_defaults.stringbuilder_class) {
6902 gboolean need_free2;
6903 MonoMarshalConv conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free2);
6905 g_assert (conv != -1);
6908 mono_mb_emit_ldarg (mb, argnum);
6910 mono_mb_emit_byte (mb, CEE_LDIND_I);
6911 mono_mb_emit_ldloc (mb, index_var);
6912 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
6915 mono_mb_emit_ldloc (mb, src_ptr);
6916 mono_mb_emit_byte (mb, CEE_LDIND_I);
6918 mono_mb_emit_icall (mb, conv_to_icall (conv));
6922 mono_mb_emit_ldloc (mb, src_ptr);
6923 mono_mb_emit_byte (mb, CEE_LDIND_I);
6925 mono_mb_emit_icall (mb, mono_marshal_free);
6928 else if (eklass == mono_defaults.string_class) {
6931 mono_mb_emit_ldloc (mb, src_ptr);
6932 mono_mb_emit_byte (mb, CEE_LDIND_I);
6934 mono_mb_emit_icall (mb, mono_marshal_free);
6939 /* set the src_ptr */
6940 mono_mb_emit_ldloc (mb, src_ptr);
6941 mono_mb_emit_stloc (mb, 0);
6944 mono_mb_emit_ldarg (mb, argnum);
6946 mono_mb_emit_byte (mb, CEE_LDIND_I);
6947 mono_mb_emit_ldloc (mb, index_var);
6948 mono_mb_emit_op (mb, CEE_LDELEMA, eklass);
6949 mono_mb_emit_stloc (mb, 1);
6951 /* emit valuetype conversion code */
6952 emit_struct_conv (mb, eklass, TRUE);
6956 mono_mb_emit_ldloc (mb, src_ptr);
6957 mono_mb_emit_stloc (mb, loc);
6958 mono_mb_emit_ldloc (mb, loc);
6960 emit_struct_free (mb, eklass, loc);
6964 mono_mb_emit_add_to_local (mb, index_var, 1);
6965 mono_mb_emit_add_to_local (mb, src_ptr, esize);
6967 mono_mb_emit_byte (mb, CEE_BR);
6968 mono_mb_emit_i4 (mb, label2 - (mb->pos + 4));
6970 mono_mb_patch_branch (mb, label1);
6971 mono_mb_patch_branch (mb, label3);
6975 case MARSHAL_ACTION_PUSH:
6977 mono_mb_emit_ldloc_addr (mb, conv_arg);
6979 mono_mb_emit_ldloc (mb, conv_arg);
6982 case MARSHAL_ACTION_CONV_RESULT:
6983 /* fixme: we need conversions here */
6984 mono_mb_emit_stloc (mb, 3);
6987 case MARSHAL_ACTION_MANAGED_CONV_IN: {
6989 guint32 label1, label2, label3;
6990 int index_var, src_ptr, loc, esize, param_num, num_elem;
6991 MonoMarshalConv conv;
6992 gboolean is_string = FALSE;
6994 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
6995 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6998 char *msg = g_strdup ("Byref array marshalling to managed code is not implemented.");
6999 mono_mb_emit_exception_marshal_directive (mb, msg);
7003 char *msg = g_strdup ("[MarshalAs] attribute required to marshal arrays to managed code.");
7004 mono_mb_emit_exception_marshal_directive (mb, msg);
7007 if (spec->native != MONO_NATIVE_LPARRAY) {
7008 char *msg = g_strdup ("Non LPArray marshalling of arrays to managed code is not implemented.");
7009 mono_mb_emit_exception_marshal_directive (mb, msg);
7013 /* FIXME: t is from the method which is wrapped, not the delegate type */
7014 /* g_assert (t->attrs & PARAM_ATTRIBUTE_IN); */
7016 param_num = spec->data.array_data.param_num;
7017 num_elem = spec->data.array_data.num_elem;
7018 if (spec->data.array_data.elem_mult == 0)
7019 /* param_num is not specified */
7022 if (param_num == -1) {
7023 if (num_elem <= 0) {
7024 char *msg = g_strdup ("Either SizeConst or SizeParamIndex should be specified when marshalling arrays to managed code.");
7025 mono_mb_emit_exception_marshal_directive (mb, msg);
7030 /* FIXME: Optimize blittable case */
7032 eklass = klass->element_class;
7033 if (eklass == mono_defaults.string_class) {
7035 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
7037 else if (eklass == mono_defaults.stringbuilder_class) {
7039 conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free);
7044 mono_marshal_load_type_info (eklass);
7047 esize = sizeof (gpointer);
7049 esize = mono_class_native_size (eklass, NULL);
7050 src_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7051 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7053 mono_mb_emit_byte (mb, CEE_LDNULL);
7054 mono_mb_emit_stloc (mb, conv_arg);
7056 /* Check param index */
7057 if (param_num != -1) {
7058 if (param_num >= m->sig->param_count) {
7059 char *msg = g_strdup ("Array size control parameter index is out of range.");
7060 mono_mb_emit_exception_marshal_directive (mb, msg);
7063 switch (m->sig->params [param_num]->type) {
7076 char *msg = g_strdup ("Array size control parameter must be an integral type.");
7077 mono_mb_emit_exception_marshal_directive (mb, msg);
7084 mono_mb_emit_ldarg (mb, argnum);
7085 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
7087 mono_mb_emit_ldarg (mb, argnum);
7088 mono_mb_emit_stloc (mb, src_ptr);
7090 /* Create managed array */
7092 * The LPArray marshalling spec says that sometimes param_num starts
7093 * from 1, sometimes it starts from 0. But MS seems to allways start
7097 if (param_num == -1)
7098 mono_mb_emit_icon (mb, num_elem);
7100 /* FIXME: Add the two together */
7101 mono_mb_emit_ldarg (mb, param_num);
7103 mono_mb_emit_icon (mb, num_elem);
7104 mono_mb_emit_byte (mb, CEE_ADD);
7108 mono_mb_emit_op (mb, CEE_NEWARR, eklass);
7109 mono_mb_emit_stloc (mb, conv_arg);
7111 if (eklass->blittable) {
7112 mono_mb_emit_ldloc (mb, conv_arg);
7113 mono_mb_emit_byte (mb, CEE_CONV_I);
7114 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArray, vector));
7115 mono_mb_emit_byte (mb, CEE_ADD);
7116 mono_mb_emit_ldarg (mb, argnum);
7117 mono_mb_emit_ldloc (mb, conv_arg);
7118 mono_mb_emit_byte (mb, CEE_LDLEN);
7119 mono_mb_emit_icon (mb, esize);
7120 mono_mb_emit_byte (mb, CEE_MUL);
7121 mono_mb_emit_byte (mb, CEE_PREFIX1);
7122 mono_mb_emit_byte (mb, CEE_CPBLK);
7126 /* Emit marshalling loop */
7127 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7128 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7129 mono_mb_emit_stloc (mb, index_var);
7131 mono_mb_emit_ldloc (mb, index_var);
7132 mono_mb_emit_ldloc (mb, conv_arg);
7133 mono_mb_emit_byte (mb, CEE_LDLEN);
7134 label3 = mono_mb_emit_branch (mb, CEE_BGE);
7136 /* Emit marshalling code */
7138 g_assert (conv != -1);
7140 mono_mb_emit_ldloc (mb, conv_arg);
7141 mono_mb_emit_ldloc (mb, index_var);
7143 mono_mb_emit_ldloc (mb, src_ptr);
7144 mono_mb_emit_byte (mb, CEE_LDIND_I);
7146 mono_mb_emit_icall (mb, conv_to_icall (conv));
7147 mono_mb_emit_byte (mb, CEE_STELEM_REF);
7150 char *msg = g_strdup ("Marshalling of non-string and non-blittable arrays to managed code is not implemented.");
7151 mono_mb_emit_exception_marshal_directive (mb, msg);
7155 mono_mb_emit_add_to_local (mb, index_var, 1);
7156 mono_mb_emit_add_to_local (mb, src_ptr, esize);
7158 mono_mb_emit_byte (mb, CEE_BR);
7159 mono_mb_emit_i4 (mb, label2 - (mb->pos + 4));
7161 mono_mb_patch_branch (mb, label1);
7162 mono_mb_patch_branch (mb, label3);
7166 case MARSHAL_ACTION_MANAGED_CONV_OUT: {
7168 guint32 label1, label2, label3;
7169 int index_var, dest_ptr, loc, esize, param_num, num_elem;
7170 MonoMarshalConv conv;
7171 gboolean is_string = FALSE;
7174 /* Already handled in CONV_IN */
7177 /* These are already checked in CONV_IN */
7178 g_assert (!t->byref);
7179 g_assert (spec->native == MONO_NATIVE_LPARRAY);
7180 g_assert (t->attrs & PARAM_ATTRIBUTE_OUT);
7182 param_num = spec->data.array_data.param_num;
7183 num_elem = spec->data.array_data.num_elem;
7185 if (spec->data.array_data.elem_mult == 0)
7186 /* param_num is not specified */
7189 if (param_num == -1) {
7190 if (num_elem <= 0) {
7191 g_assert_not_reached ();
7195 /* FIXME: Optimize blittable case */
7197 eklass = klass->element_class;
7198 if (eklass == mono_defaults.string_class) {
7200 conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
7202 else if (eklass == mono_defaults.stringbuilder_class) {
7204 conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
7209 mono_marshal_load_type_info (eklass);
7212 esize = sizeof (gpointer);
7214 esize = mono_class_native_size (eklass, NULL);
7216 dest_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7217 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7220 mono_mb_emit_ldloc (mb, conv_arg);
7221 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
7223 mono_mb_emit_ldarg (mb, argnum);
7224 mono_mb_emit_stloc (mb, dest_ptr);
7226 if (eklass->blittable) {
7228 mono_mb_emit_ldarg (mb, argnum);
7230 mono_mb_emit_ldloc (mb, conv_arg);
7231 mono_mb_emit_byte (mb, CEE_CONV_I);
7232 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArray, vector));
7233 mono_mb_emit_byte (mb, CEE_ADD);
7235 mono_mb_emit_ldloc (mb, conv_arg);
7236 mono_mb_emit_byte (mb, CEE_LDLEN);
7237 mono_mb_emit_icon (mb, esize);
7238 mono_mb_emit_byte (mb, CEE_MUL);
7239 mono_mb_emit_byte (mb, CEE_PREFIX1);
7240 mono_mb_emit_byte (mb, CEE_CPBLK);
7244 /* Emit marshalling loop */
7245 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7246 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7247 mono_mb_emit_stloc (mb, index_var);
7249 mono_mb_emit_ldloc (mb, index_var);
7250 mono_mb_emit_ldloc (mb, conv_arg);
7251 mono_mb_emit_byte (mb, CEE_LDLEN);
7252 label3 = mono_mb_emit_branch (mb, CEE_BGE);
7254 /* Emit marshalling code */
7256 g_assert (conv != -1);
7259 mono_mb_emit_ldloc (mb, dest_ptr);
7262 mono_mb_emit_ldloc (mb, conv_arg);
7263 mono_mb_emit_ldloc (mb, index_var);
7265 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
7267 mono_mb_emit_icall (mb, conv_to_icall (conv));
7268 mono_mb_emit_byte (mb, CEE_STIND_I);
7271 char *msg = g_strdup ("Marshalling of non-string and non-blittable arrays to managed code is not implemented.");
7272 mono_mb_emit_exception_marshal_directive (mb, msg);
7276 mono_mb_emit_add_to_local (mb, index_var, 1);
7277 mono_mb_emit_add_to_local (mb, dest_ptr, esize);
7279 mono_mb_emit_byte (mb, CEE_BR);
7280 mono_mb_emit_i4 (mb, label2 - (mb->pos + 4));
7282 mono_mb_patch_branch (mb, label1);
7283 mono_mb_patch_branch (mb, label3);
7287 case MARSHAL_ACTION_MANAGED_CONV_RESULT: {
7289 guint32 label1, label2, label3;
7290 int index_var, src, dest, esize;
7291 MonoMarshalConv conv = -1;
7292 gboolean is_string = FALSE;
7294 g_assert (!t->byref);
7296 eklass = klass->element_class;
7298 mono_marshal_load_type_info (eklass);
7300 if (eklass == mono_defaults.string_class) {
7302 conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
7305 g_assert_not_reached ();
7309 esize = sizeof (gpointer);
7311 esize = mono_class_native_size (eklass, NULL);
7313 src = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
7314 dest = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7316 mono_mb_emit_stloc (mb, src);
7317 mono_mb_emit_ldloc (mb, src);
7318 mono_mb_emit_stloc (mb, 3);
7320 /* Check for null */
7321 mono_mb_emit_ldloc (mb, src);
7322 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
7324 /* Allocate native array */
7325 mono_mb_emit_icon (mb, esize);
7326 mono_mb_emit_ldloc (mb, src);
7327 mono_mb_emit_byte (mb, CEE_LDLEN);
7329 if (eklass == mono_defaults.string_class) {
7330 /* Make the array bigger for the terminating null */
7331 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
7332 mono_mb_emit_byte (mb, CEE_ADD);
7334 mono_mb_emit_byte (mb, CEE_MUL);
7335 mono_mb_emit_icall (mb, mono_marshal_alloc);
7336 mono_mb_emit_stloc (mb, dest);
7337 mono_mb_emit_ldloc (mb, dest);
7338 mono_mb_emit_stloc (mb, 3);
7340 /* Emit marshalling loop */
7341 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7342 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7343 mono_mb_emit_stloc (mb, index_var);
7345 mono_mb_emit_ldloc (mb, index_var);
7346 mono_mb_emit_ldloc (mb, src);
7347 mono_mb_emit_byte (mb, CEE_LDLEN);
7348 label3 = mono_mb_emit_branch (mb, CEE_BGE);
7350 /* Emit marshalling code */
7352 g_assert (conv != -1);
7355 mono_mb_emit_ldloc (mb, dest);
7358 mono_mb_emit_ldloc (mb, src);
7359 mono_mb_emit_ldloc (mb, index_var);
7361 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
7363 mono_mb_emit_icall (mb, conv_to_icall (conv));
7364 mono_mb_emit_byte (mb, CEE_STIND_I);
7367 char *msg = g_strdup ("Marshalling of non-string arrays to managed code is not implemented.");
7368 mono_mb_emit_exception_marshal_directive (mb, msg);
7372 mono_mb_emit_add_to_local (mb, index_var, 1);
7373 mono_mb_emit_add_to_local (mb, dest, esize);
7375 mono_mb_emit_byte (mb, CEE_BR);
7376 mono_mb_emit_i4 (mb, label2 - (mb->pos + 4));
7378 mono_mb_patch_branch (mb, label3);
7379 mono_mb_patch_branch (mb, label1);
7383 g_assert_not_reached ();
7390 emit_marshal_boolean (EmitMarshalContext *m, int argnum, MonoType *t,
7391 MonoMarshalSpec *spec,
7392 int conv_arg, MonoType **conv_arg_type,
7393 MarshalAction action)
7395 MonoMethodBuilder *mb = m->mb;
7398 case MARSHAL_ACTION_CONV_IN: {
7399 MonoType *local_type;
7400 int variant_bool = 0;
7404 local_type = &mono_defaults.int32_class->byval_arg;
7406 switch (spec->native) {
7407 case MONO_NATIVE_I1:
7408 local_type = &mono_defaults.byte_class->byval_arg;
7410 case MONO_NATIVE_VARIANTBOOL:
7411 local_type = &mono_defaults.int16_class->byval_arg;
7415 g_warning ("marshalling bool as native type %x is currently not supported", spec->native);
7416 local_type = &mono_defaults.int32_class->byval_arg;
7420 *conv_arg_type = &mono_defaults.int_class->byval_arg;
7421 conv_arg = mono_mb_add_local (mb, local_type);
7422 mono_mb_emit_ldarg (mb, argnum);
7423 mono_mb_emit_byte (mb, CEE_LDIND_I1);
7425 mono_mb_emit_byte (mb, CEE_NEG);
7426 mono_mb_emit_stloc (mb, conv_arg);
7430 case MARSHAL_ACTION_CONV_OUT:
7433 mono_mb_emit_ldarg (mb, argnum);
7434 mono_mb_emit_ldloc (mb, conv_arg);
7435 if (spec != NULL && spec->native == MONO_NATIVE_VARIANTBOOL)
7436 mono_mb_emit_byte (mb, CEE_NEG);
7437 mono_mb_emit_byte (mb, CEE_STIND_I1);
7440 case MARSHAL_ACTION_PUSH:
7442 mono_mb_emit_ldloc_addr (mb, conv_arg);
7444 mono_mb_emit_ldarg (mb, argnum);
7447 case MARSHAL_ACTION_CONV_RESULT:
7448 /* maybe we need to make sure that it fits within 8 bits */
7449 mono_mb_emit_stloc (mb, 3);
7453 g_assert_not_reached ();
7460 emit_marshal_ptr (EmitMarshalContext *m, int argnum, MonoType *t,
7461 MonoMarshalSpec *spec, int conv_arg,
7462 MonoType **conv_arg_type, MarshalAction action)
7464 MonoMethodBuilder *mb = m->mb;
7467 case MARSHAL_ACTION_CONV_IN:
7468 if (MONO_TYPE_ISSTRUCT (t->data.type)) {
7469 char *msg = g_strdup_printf ("Can not marshal 'parameter #%d': Pointers can not reference marshaled structures. Use byref instead.", argnum + 1);
7470 mono_mb_emit_exception_marshal_directive (m->mb, msg);
7474 case MARSHAL_ACTION_PUSH:
7475 mono_mb_emit_ldarg (mb, argnum);
7478 case MARSHAL_ACTION_CONV_RESULT:
7479 /* no conversions necessary */
7480 mono_mb_emit_stloc (mb, 3);
7491 emit_marshal_char (EmitMarshalContext *m, int argnum, MonoType *t,
7492 MonoMarshalSpec *spec, int conv_arg,
7493 MonoType **conv_arg_type, MarshalAction action)
7495 MonoMethodBuilder *mb = m->mb;
7498 case MARSHAL_ACTION_PUSH:
7499 /* fixme: dont know how to marshal that. We cant simply
7500 * convert it to a one byte UTF8 character, because an
7501 * unicode character may need more that one byte in UTF8 */
7502 mono_mb_emit_ldarg (mb, argnum);
7505 case MARSHAL_ACTION_CONV_RESULT:
7506 /* fixme: we need conversions here */
7507 mono_mb_emit_stloc (mb, 3);
7518 emit_marshal_scalar (EmitMarshalContext *m, int argnum, MonoType *t,
7519 MonoMarshalSpec *spec, int conv_arg,
7520 MonoType **conv_arg_type, MarshalAction action)
7522 MonoMethodBuilder *mb = m->mb;
7525 case MARSHAL_ACTION_PUSH:
7526 mono_mb_emit_ldarg (mb, argnum);
7529 case MARSHAL_ACTION_CONV_RESULT:
7530 /* no conversions necessary */
7531 mono_mb_emit_stloc (mb, 3);
7542 emit_marshal (EmitMarshalContext *m, int argnum, MonoType *t,
7543 MonoMarshalSpec *spec, int conv_arg,
7544 MonoType **conv_arg_type, MarshalAction action)
7546 /* Ensure that we have marshalling info for this param */
7547 mono_marshal_load_type_info (mono_class_from_mono_type (t));
7549 if (spec && spec->native == MONO_NATIVE_CUSTOM)
7550 return emit_marshal_custom (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7552 if (spec && spec->native == MONO_NATIVE_ASANY)
7553 return emit_marshal_asany (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7556 case MONO_TYPE_VALUETYPE:
7557 return emit_marshal_vtype (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7558 case MONO_TYPE_STRING:
7559 return emit_marshal_string (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7560 case MONO_TYPE_CLASS:
7561 case MONO_TYPE_OBJECT:
7562 if (mono_defaults.safehandle_class != NULL &&
7563 mono_class_is_subclass_of (t->data.klass, mono_defaults.safehandle_class, FALSE))
7564 return emit_marshal_safehandle (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7566 return emit_marshal_object (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7567 case MONO_TYPE_ARRAY:
7568 case MONO_TYPE_SZARRAY:
7569 return emit_marshal_array (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7570 case MONO_TYPE_BOOLEAN:
7571 return emit_marshal_boolean (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7573 return emit_marshal_ptr (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7574 case MONO_TYPE_CHAR:
7575 return emit_marshal_char (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7588 case MONO_TYPE_FNPTR:
7589 return emit_marshal_scalar (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7596 * mono_marshal_emit_native_wrapper:
7597 * @image: the image to use for looking up custom marshallers
7598 * @sig: The signature of the native function
7599 * @piinfo: Marshalling information
7600 * @mspecs: Marshalling information
7601 * @func: the native function to call
7603 * generates IL code for the pinvoke wrapper, the generated code calls @func.
7606 mono_marshal_emit_native_wrapper (MonoImage *image, MonoMethodBuilder *mb, MonoMethodSignature *sig, MonoMethodPInvoke *piinfo, MonoMarshalSpec **mspecs, gpointer func)
7608 EmitMarshalContext m;
7609 MonoMethodSignature *csig;
7611 int i, argnum, *tmp_locals;
7613 static MonoMethodSignature *get_last_error_sig = NULL;
7618 /* we copy the signature, so that we can set pinvoke to 0 */
7619 csig = signature_dup (mb->method->klass->image, sig);
7624 /* we allocate local for use with emit_struct_conv() */
7625 /* allocate local 0 (pointer) src_ptr */
7626 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7627 /* allocate local 1 (pointer) dst_ptr */
7628 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7629 /* allocate local 2 (boolean) delete_old */
7630 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
7632 /* delete_old = FALSE */
7633 mono_mb_emit_icon (mb, 0);
7634 mono_mb_emit_stloc (mb, 2);
7636 if (!MONO_TYPE_IS_VOID(sig->ret)) {
7637 /* allocate local 3 to store the return value */
7638 mono_mb_add_local (mb, sig->ret);
7641 if (mspecs [0] && mspecs [0]->native == MONO_NATIVE_CUSTOM) {
7642 /* Return type custom marshaling */
7644 * Since we can't determine the return type of the unmanaged function,
7645 * we assume it returns a pointer, and pass that pointer to
7646 * MarshalNativeToManaged.
7648 csig->ret = &mono_defaults.int_class->byval_arg;
7651 /* we first do all conversions */
7652 tmp_locals = alloca (sizeof (int) * sig->param_count);
7653 m.orig_conv_args = alloca (sizeof (int) * (sig->param_count + 1));
7655 for (i = 0; i < sig->param_count; i ++) {
7656 tmp_locals [i] = emit_marshal (&m, i + sig->hasthis, sig->params [i], mspecs [i + 1], 0, &csig->params [i], MARSHAL_ACTION_CONV_IN);
7659 /* push all arguments */
7662 mono_mb_emit_byte (mb, CEE_LDARG_0);
7665 for (i = 0; i < sig->param_count; i++) {
7666 emit_marshal (&m, i + sig->hasthis, sig->params [i], mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_PUSH);
7669 /* call the native method */
7670 if (MONO_CLASS_IS_IMPORT (mb->method->klass)) {
7671 mono_mb_emit_cominterop_call (mb, csig, &piinfo->method);
7674 mono_mb_emit_native_call (mb, csig, func);
7677 /* Set LastError if needed */
7678 if (piinfo->piflags & PINVOKE_ATTRIBUTE_SUPPORTS_LAST_ERROR) {
7679 if (!get_last_error_sig) {
7680 get_last_error_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
7681 get_last_error_sig->ret = &mono_defaults.int_class->byval_arg;
7682 get_last_error_sig->pinvoke = 1;
7685 #ifdef PLATFORM_WIN32
7687 * Have to call GetLastError () early and without a wrapper, since various runtime components could
7688 * clobber its value.
7690 mono_mb_emit_native_call (mb, get_last_error_sig, GetLastError);
7691 mono_mb_emit_icall (mb, mono_marshal_set_last_error_windows);
7693 mono_mb_emit_icall (mb, mono_marshal_set_last_error);
7697 /* convert the result */
7698 if (!sig->ret->byref) {
7699 MonoMarshalSpec *spec = mspecs [0];
7700 type = sig->ret->type;
7702 if (spec && spec->native == MONO_NATIVE_CUSTOM) {
7703 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
7708 case MONO_TYPE_VOID:
7710 case MONO_TYPE_VALUETYPE:
7711 klass = sig->ret->data.klass;
7712 if (klass->enumtype) {
7713 type = sig->ret->data.klass->enum_basetype->type;
7716 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
7730 case MONO_TYPE_FNPTR:
7731 case MONO_TYPE_STRING:
7732 case MONO_TYPE_CLASS:
7733 case MONO_TYPE_OBJECT:
7734 case MONO_TYPE_BOOLEAN:
7735 case MONO_TYPE_ARRAY:
7736 case MONO_TYPE_SZARRAY:
7737 case MONO_TYPE_CHAR:
7739 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
7741 case MONO_TYPE_TYPEDBYREF:
7743 g_warning ("return type 0x%02x unknown", sig->ret->type);
7744 g_assert_not_reached ();
7748 mono_mb_emit_stloc (mb, 3);
7752 * Need to call this after converting the result since MONO_VTADDR needs
7753 * to be adjacent to the call instruction.
7755 emit_thread_interrupt_checkpoint (mb);
7757 /* we need to convert byref arguments back and free string arrays */
7758 for (i = 0; i < sig->param_count; i++) {
7759 MonoType *t = sig->params [i];
7760 MonoMarshalSpec *spec = mspecs [i + 1];
7762 argnum = i + sig->hasthis;
7764 if (spec && ((spec->native == MONO_NATIVE_CUSTOM) || (spec->native == MONO_NATIVE_ASANY))) {
7765 emit_marshal (&m, argnum, t, spec, tmp_locals [i], NULL, MARSHAL_ACTION_CONV_OUT);
7770 case MONO_TYPE_STRING:
7771 case MONO_TYPE_VALUETYPE:
7772 case MONO_TYPE_CLASS:
7773 case MONO_TYPE_OBJECT:
7774 case MONO_TYPE_SZARRAY:
7775 case MONO_TYPE_BOOLEAN:
7776 emit_marshal (&m, argnum, t, spec, tmp_locals [i], NULL, MARSHAL_ACTION_CONV_OUT);
7781 if (!MONO_TYPE_IS_VOID(sig->ret))
7782 mono_mb_emit_ldloc (mb, 3);
7784 mono_mb_emit_byte (mb, CEE_RET);
7788 * mono_marshal_get_native_wrapper:
7789 * @method: The MonoMethod to wrap.
7791 * generates IL code for the pinvoke wrapper (the generated method
7792 * calls the unmanaged code in piinfo->addr)
7795 mono_marshal_get_native_wrapper (MonoMethod *method)
7797 MonoMethodSignature *sig, *csig;
7798 MonoMethodPInvoke *piinfo = (MonoMethodPInvoke *) method;
7799 MonoMethodBuilder *mb;
7800 MonoMarshalSpec **mspecs;
7803 gboolean pinvoke = FALSE;
7806 const char *exc_class = "MissingMethodException";
7807 const char *exc_arg = NULL;
7809 g_assert (method != NULL);
7810 g_assert (mono_method_signature (method)->pinvoke);
7812 cache = method->klass->image->native_wrapper_cache;
7813 if ((res = mono_marshal_find_in_cache (cache, method)))
7816 if (MONO_CLASS_IS_IMPORT (method->klass))
7817 return cominterop_get_native_wrapper (method);
7819 sig = mono_method_signature (method);
7821 if (!(method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
7822 (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL))
7825 if (!piinfo->addr) {
7827 mono_lookup_pinvoke_call (method, &exc_class, &exc_arg);
7829 piinfo->addr = mono_lookup_internal_call (method);
7832 /* hack - redirect certain string constructors to CreateString */
7833 if (piinfo->addr == ves_icall_System_String_ctor_RedirectToCreateString) {
7834 g_assert (!pinvoke);
7835 g_assert (method->string_ctor);
7836 g_assert (sig->hasthis);
7838 /* CreateString returns a value */
7839 csig = signature_dup (method->klass->image, sig);
7840 csig->ret = &mono_defaults.string_class->byval_arg;
7844 while ((res = mono_class_get_methods (mono_defaults.string_class, &iter))) {
7845 if (!strcmp ("CreateString", res->name) &&
7846 mono_metadata_signature_equal (csig, mono_method_signature (res))) {
7848 g_assert (!(res->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL));
7849 g_assert (!(res->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL));
7851 /* create a wrapper to preserve .ctor in stack trace */
7852 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_MANAGED_TO_MANAGED);
7854 mono_mb_emit_byte (mb, CEE_LDARG_0);
7855 for (i = 1; i <= csig->param_count; i++)
7856 mono_mb_emit_ldarg (mb, i);
7857 mono_mb_emit_managed_call (mb, res, NULL);
7858 mono_mb_emit_byte (mb, CEE_RET);
7860 /* use native_wrapper_cache because internal calls are looked up there */
7861 res = mono_mb_create_and_cache (cache, method,
7862 mb, csig, csig->param_count + 1);
7870 /* exception will be thrown */
7871 piinfo->addr = NULL;
7872 g_warning ("cannot find CreateString for .ctor");
7875 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_MANAGED_TO_NATIVE);
7877 mb->method->save_lmf = 1;
7879 if (!piinfo->addr) {
7880 mono_mb_emit_exception (mb, exc_class, exc_arg);
7881 csig = signature_dup (method->klass->image, sig);
7883 res = mono_mb_create_and_cache (cache, method,
7884 mb, csig, csig->param_count + 16);
7889 /* internal calls: we simply push all arguments and call the method (no conversions) */
7890 if (method->iflags & (METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL | METHOD_IMPL_ATTRIBUTE_RUNTIME)) {
7892 /* hack - string constructors returns a value */
7893 if (method->string_ctor) {
7894 csig = signature_dup (method->klass->image, sig);
7895 csig->ret = &mono_defaults.string_class->byval_arg;
7900 mono_mb_emit_byte (mb, CEE_LDARG_0);
7902 for (i = 0; i < sig->param_count; i++)
7903 mono_mb_emit_ldarg (mb, i + sig->hasthis);
7905 g_assert (piinfo->addr);
7906 mono_mb_emit_native_call (mb, csig, piinfo->addr);
7907 emit_thread_interrupt_checkpoint (mb);
7908 mono_mb_emit_byte (mb, CEE_RET);
7910 csig = signature_dup (method->klass->image, csig);
7912 res = mono_mb_create_and_cache (cache, method,
7913 mb, csig, csig->param_count + 16);
7920 mspecs = g_new (MonoMarshalSpec*, sig->param_count + 1);
7921 mono_method_get_marshal_info (method, mspecs);
7923 mono_marshal_emit_native_wrapper (mb->method->klass->image, mb, sig, piinfo, mspecs, piinfo->addr);
7925 csig = signature_dup (method->klass->image, sig);
7927 res = mono_mb_create_and_cache (cache, method,
7928 mb, csig, csig->param_count + 16);
7931 for (i = sig->param_count; i >= 0; i--)
7933 mono_metadata_free_marshal_spec (mspecs [i]);
7936 /* 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)); */
7942 * mono_marshal_get_native_func_wrapper:
7943 * @image: The image to use for memory allocation and for looking up custom marshallers.
7944 * @sig: The signature of the function
7945 * @func: The native function to wrap
7947 * Returns a wrapper method around native functions, similar to the pinvoke
7951 mono_marshal_get_native_func_wrapper (MonoImage *image, MonoMethodSignature *sig,
7952 MonoMethodPInvoke *piinfo, MonoMarshalSpec **mspecs, gpointer func)
7954 MonoMethodSignature *csig;
7956 MonoMethodBuilder *mb;
7961 cache = image->native_wrapper_cache;
7962 if ((res = mono_marshal_find_in_cache (cache, func)))
7965 name = g_strdup_printf ("wrapper_native_%p", func);
7966 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_MANAGED_TO_NATIVE);
7967 mb->method->save_lmf = 1;
7969 mono_marshal_emit_native_wrapper (image, mb, sig, piinfo, mspecs, func);
7971 csig = signature_dup (image, sig);
7973 res = mono_mb_create_and_cache (cache, func,
7974 mb, csig, csig->param_count + 16);
7977 /* 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)); */
7982 /* FIXME: moving GC */
7984 mono_marshal_emit_managed_wrapper (MonoMethodBuilder *mb, MonoMethodSignature *invoke_sig, MonoMarshalSpec **mspecs, EmitMarshalContext* m, MonoMethod *method, MonoObject* this)
7986 MonoMethodSignature *sig, *csig;
7992 /* allocate local 0 (pointer) src_ptr */
7993 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7994 /* allocate local 1 (pointer) dst_ptr */
7995 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7996 /* allocate local 2 (boolean) delete_old */
7997 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
7999 if (!MONO_TYPE_IS_VOID(sig->ret)) {
8000 /* allocate local 3 to store the return value */
8001 mono_mb_add_local (mb, sig->ret);
8004 mono_mb_emit_icon (mb, 0);
8005 mono_mb_emit_stloc (mb, 2);
8007 /* fixme: howto handle this ? */
8010 /* FIXME: need a solution for the moving GC here */
8011 mono_mb_emit_ptr (mb, this);
8014 g_assert_not_reached ();
8018 /* we first do all conversions */
8019 tmp_locals = alloca (sizeof (int) * sig->param_count);
8020 for (i = 0; i < sig->param_count; i ++) {
8021 MonoType *t = sig->params [i];
8024 case MONO_TYPE_OBJECT:
8025 case MONO_TYPE_CLASS:
8026 case MONO_TYPE_VALUETYPE:
8027 case MONO_TYPE_ARRAY:
8028 case MONO_TYPE_SZARRAY:
8029 case MONO_TYPE_STRING:
8030 tmp_locals [i] = emit_marshal (m, i, sig->params [i], mspecs [i + 1], 0, &csig->params [i], MARSHAL_ACTION_MANAGED_CONV_IN);
8039 emit_thread_interrupt_checkpoint (mb);
8041 for (i = 0; i < sig->param_count; i++) {
8042 MonoType *t = sig->params [i];
8044 if (tmp_locals [i]) {
8046 mono_mb_emit_ldloc_addr (mb, tmp_locals [i]);
8048 mono_mb_emit_ldloc (mb, tmp_locals [i]);
8051 mono_mb_emit_ldarg (mb, i);
8054 mono_mb_emit_managed_call (mb, method, NULL);
8056 if (mspecs [0] && mspecs [0]->native == MONO_NATIVE_CUSTOM) {
8057 emit_marshal (m, 0, sig->ret, mspecs [0], 0, NULL, MARSHAL_ACTION_MANAGED_CONV_RESULT);
8060 if (!sig->ret->byref) {
8061 switch (sig->ret->type) {
8062 case MONO_TYPE_VOID:
8064 case MONO_TYPE_BOOLEAN:
8078 case MONO_TYPE_OBJECT:
8079 mono_mb_emit_stloc (mb, 3);
8081 case MONO_TYPE_STRING:
8082 csig->ret = &mono_defaults.int_class->byval_arg;
8083 emit_marshal (m, 0, sig->ret, mspecs [0], 0, NULL, MARSHAL_ACTION_MANAGED_CONV_RESULT);
8085 case MONO_TYPE_VALUETYPE:
8086 case MONO_TYPE_CLASS:
8087 case MONO_TYPE_SZARRAY:
8088 emit_marshal (m, 0, sig->ret, mspecs [0], 0, NULL, MARSHAL_ACTION_MANAGED_CONV_RESULT);
8091 g_warning ("return type 0x%02x unknown", sig->ret->type);
8092 g_assert_not_reached ();
8095 mono_mb_emit_stloc (mb, 3);
8098 /* Convert byref arguments back */
8099 for (i = 0; i < sig->param_count; i ++) {
8100 MonoType *t = sig->params [i];
8101 MonoMarshalSpec *spec = mspecs [i + 1];
8103 if (spec && spec->native == MONO_NATIVE_CUSTOM) {
8104 emit_marshal (m, i, t, mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_MANAGED_CONV_OUT);
8106 else if (t->byref) {
8108 case MONO_TYPE_CLASS:
8109 case MONO_TYPE_VALUETYPE:
8110 emit_marshal (m, i, t, mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_MANAGED_CONV_OUT);
8114 else if (invoke_sig->params [i]->attrs & PARAM_ATTRIBUTE_OUT) {
8115 /* The [Out] information is encoded in the delegate signature */
8117 case MONO_TYPE_SZARRAY:
8118 case MONO_TYPE_CLASS:
8119 case MONO_TYPE_VALUETYPE:
8120 emit_marshal (m, i, invoke_sig->params [i], mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_MANAGED_CONV_OUT);
8123 g_assert_not_reached ();
8128 if (m->retobj_var) {
8129 mono_mb_emit_ldloc (mb, m->retobj_var);
8130 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
8131 mono_mb_emit_op (mb, CEE_MONO_RETOBJ, m->retobj_class);
8134 if (!MONO_TYPE_IS_VOID(sig->ret))
8135 mono_mb_emit_ldloc (mb, 3);
8136 mono_mb_emit_byte (mb, CEE_RET);
8142 * generates IL code to call managed methods from unmanaged code
8145 mono_marshal_get_managed_wrapper (MonoMethod *method, MonoClass *delegate_klass, MonoObject *this)
8147 static MonoClass *UnmanagedFunctionPointerAttribute;
8148 MonoMethodSignature *sig, *csig, *invoke_sig;
8149 MonoMethodBuilder *mb;
8150 MonoMethod *res, *invoke;
8151 MonoMarshalSpec **mspecs;
8152 MonoMethodPInvoke piinfo;
8155 EmitMarshalContext m;
8157 g_assert (method != NULL);
8158 g_assert (!mono_method_signature (method)->pinvoke);
8161 * FIXME: Should cache the method+delegate type pair, since the same method
8162 * could be called with different delegates, thus different marshalling
8165 cache = method->klass->image->managed_wrapper_cache;
8166 if (!this && (res = mono_marshal_find_in_cache (cache, method)))
8169 invoke = mono_class_get_method_from_name (delegate_klass, "Invoke", mono_method_signature (method)->param_count);
8170 invoke_sig = mono_method_signature (invoke);
8172 mspecs = g_new0 (MonoMarshalSpec*, mono_method_signature (invoke)->param_count + 1);
8173 mono_method_get_marshal_info (invoke, mspecs);
8175 sig = mono_method_signature (method);
8177 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_NATIVE_TO_MANAGED);
8180 /* we copy the signature, so that we can modify it */
8181 csig = signature_dup (method->klass->image, sig);
8190 m.image = method->klass->image;
8192 #ifdef PLATFORM_WIN32
8194 * Under windows, delegates passed to native code must use the STDCALL
8195 * calling convention.
8197 csig->call_convention = MONO_CALL_STDCALL;
8200 /* Change default calling convention if needed */
8201 /* Why is this a modopt ? */
8202 if (invoke_sig->ret && invoke_sig->ret->num_mods) {
8203 for (i = 0; i < invoke_sig->ret->num_mods; ++i) {
8204 MonoClass *cmod_class = mono_class_get (delegate_klass->image, invoke_sig->ret->modifiers [i].token);
8205 g_assert (cmod_class);
8206 if ((cmod_class->image == mono_defaults.corlib) && !strcmp (cmod_class->name_space, "System.Runtime.CompilerServices")) {
8207 if (!strcmp (cmod_class->name, "CallConvCdecl"))
8208 csig->call_convention = MONO_CALL_C;
8209 else if (!strcmp (cmod_class->name, "CallConvStdcall"))
8210 csig->call_convention = MONO_CALL_STDCALL;
8211 else if (!strcmp (cmod_class->name, "CallConvFastcall"))
8212 csig->call_convention = MONO_CALL_FASTCALL;
8213 else if (!strcmp (cmod_class->name, "CallConvThiscall"))
8214 csig->call_convention = MONO_CALL_THISCALL;
8219 /* Handle the UnmanagedFunctionPointerAttribute */
8220 if (!UnmanagedFunctionPointerAttribute)
8221 UnmanagedFunctionPointerAttribute = mono_class_from_name (mono_defaults.corlib, "System.Runtime.InteropServices", "UnmanagedFunctionPointerAttribute");
8223 /* The attribute is only available in Net 2.0 */
8224 if (UnmanagedFunctionPointerAttribute) {
8225 MonoReflectionUnmanagedFunctionPointerAttribute *attr;
8226 MonoCustomAttrInfo *cinfo;
8229 * The pinvoke attributes are stored in a real custom attribute so we have to
8232 cinfo = mono_custom_attrs_from_class (delegate_klass);
8234 attr = (MonoReflectionUnmanagedFunctionPointerAttribute*)mono_custom_attrs_get_attr (cinfo, UnmanagedFunctionPointerAttribute);
8236 memset (&piinfo, 0, sizeof (piinfo));
8238 piinfo.piflags = (attr->call_conv << 8) | (attr->charset ? (attr->charset - 1) * 2 : 1) | attr->set_last_error;
8240 csig->call_convention = attr->call_conv - 1;
8243 mono_custom_attrs_free (cinfo);
8247 mono_marshal_emit_managed_wrapper (mb, invoke_sig, mspecs, &m, method, this);
8250 res = mono_mb_create_and_cache (cache, method,
8251 mb, csig, sig->param_count + 16);
8254 res = mono_mb_create_method (mb, csig, sig->param_count + 16);
8258 for (i = mono_method_signature (invoke)->param_count; i >= 0; i--)
8260 mono_metadata_free_marshal_spec (mspecs [i]);
8263 /* 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)); */
8268 static MonoReflectionType *
8269 type_from_handle (MonoType *handle)
8271 MonoDomain *domain = mono_domain_get ();
8272 MonoClass *klass = mono_class_from_mono_type (handle);
8274 MONO_ARCH_SAVE_REGS;
8276 mono_class_init (klass);
8277 return mono_type_get_object (domain, handle);
8281 * mono_marshal_get_isinst:
8282 * @klass: the type of the field
8284 * This method generates a function which can be used to check if an object is
8285 * an instance of the given type, icluding the case where the object is a proxy.
8286 * The generated function has the following signature:
8287 * MonoObject* __isinst_wrapper_ (MonoObject *obj)
8290 mono_marshal_get_isinst (MonoClass *klass)
8292 static MonoMethodSignature *isint_sig = NULL;
8295 int pos_was_ok, pos_failed, pos_end, pos_end2;
8297 MonoMethodBuilder *mb;
8299 cache = klass->image->isinst_cache;
8300 if ((res = mono_marshal_find_in_cache (cache, klass)))
8304 isint_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
8305 isint_sig->params [0] = &mono_defaults.object_class->byval_arg;
8306 isint_sig->ret = &mono_defaults.object_class->byval_arg;
8307 isint_sig->pinvoke = 0;
8310 name = g_strdup_printf ("__isinst_wrapper_%s", klass->name);
8311 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_ISINST);
8314 mb->method->save_lmf = 1;
8316 /* check if the object is a proxy that needs special cast */
8317 mono_mb_emit_ldarg (mb, 0);
8318 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
8319 mono_mb_emit_op (mb, CEE_MONO_CISINST, klass);
8321 /* The result of MONO_ISINST can be:
8322 0) the type check succeeded
8323 1) the type check did not succeed
8324 2) a CanCastTo call is needed */
8326 mono_mb_emit_byte (mb, CEE_DUP);
8327 pos_was_ok = mono_mb_emit_branch (mb, CEE_BRFALSE);
8329 mono_mb_emit_byte (mb, CEE_LDC_I4_2);
8330 pos_failed = mono_mb_emit_branch (mb, CEE_BNE_UN);
8332 /* get the real proxy from the transparent proxy*/
8334 mono_mb_emit_ldarg (mb, 0);
8335 mono_mb_emit_managed_call (mb, mono_marshal_get_proxy_cancast (klass), NULL);
8336 pos_end = mono_mb_emit_branch (mb, CEE_BR);
8340 mono_mb_patch_addr (mb, pos_failed, mb->pos - (pos_failed + 4));
8341 mono_mb_emit_byte (mb, CEE_LDNULL);
8342 pos_end2 = mono_mb_emit_branch (mb, CEE_BR);
8346 mono_mb_patch_addr (mb, pos_was_ok, mb->pos - (pos_was_ok + 4));
8347 mono_mb_emit_byte (mb, CEE_POP);
8348 mono_mb_emit_ldarg (mb, 0);
8352 mono_mb_patch_addr (mb, pos_end, mb->pos - (pos_end + 4));
8353 mono_mb_patch_addr (mb, pos_end2, mb->pos - (pos_end2 + 4));
8354 mono_mb_emit_byte (mb, CEE_RET);
8356 res = mono_mb_create_and_cache (cache, klass, mb, isint_sig, isint_sig->param_count + 16);
8363 * mono_marshal_get_castclass:
8364 * @klass: the type of the field
8366 * This method generates a function which can be used to cast an object to
8367 * an instance of the given type, icluding the case where the object is a proxy.
8368 * The generated function has the following signature:
8369 * MonoObject* __castclass_wrapper_ (MonoObject *obj)
8372 mono_marshal_get_castclass (MonoClass *klass)
8374 static MonoMethodSignature *castclass_sig = NULL;
8377 int pos_was_ok, pos_was_ok2;
8379 MonoMethodBuilder *mb;
8381 cache = klass->image->castclass_cache;
8382 if ((res = mono_marshal_find_in_cache (cache, klass)))
8385 if (!castclass_sig) {
8386 castclass_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
8387 castclass_sig->params [0] = &mono_defaults.object_class->byval_arg;
8388 castclass_sig->ret = &mono_defaults.object_class->byval_arg;
8389 castclass_sig->pinvoke = 0;
8392 name = g_strdup_printf ("__castclass_wrapper_%s", klass->name);
8393 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_CASTCLASS);
8396 mb->method->save_lmf = 1;
8398 /* check if the object is a proxy that needs special cast */
8399 mono_mb_emit_ldarg (mb, 0);
8400 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
8401 mono_mb_emit_op (mb, CEE_MONO_CCASTCLASS, klass);
8403 /* The result of MONO_ISINST can be:
8404 0) the cast is valid
8405 1) cast of unknown proxy type
8406 or an exception if the cast is is invalid
8409 pos_was_ok = mono_mb_emit_branch (mb, CEE_BRFALSE);
8411 /* get the real proxy from the transparent proxy*/
8413 mono_mb_emit_ldarg (mb, 0);
8414 mono_mb_emit_managed_call (mb, mono_marshal_get_proxy_cancast (klass), NULL);
8415 pos_was_ok2 = mono_mb_emit_branch (mb, CEE_BRTRUE);
8418 mono_mb_emit_exception (mb, "InvalidCastException", NULL);
8421 mono_mb_patch_addr (mb, pos_was_ok, mb->pos - (pos_was_ok + 4));
8422 mono_mb_patch_addr (mb, pos_was_ok2, mb->pos - (pos_was_ok2 + 4));
8423 mono_mb_emit_ldarg (mb, 0);
8426 mono_mb_emit_byte (mb, CEE_RET);
8428 res = mono_mb_create_and_cache (cache, klass, mb, castclass_sig, castclass_sig->param_count + 16);
8435 mono_marshal_get_proxy_cancast (MonoClass *klass)
8437 static MonoMethodSignature *isint_sig = NULL;
8440 int pos_failed, pos_end;
8442 MonoMethod *can_cast_to;
8443 MonoMethodDesc *desc;
8444 MonoMethodBuilder *mb;
8446 cache = klass->image->proxy_isinst_cache;
8447 if ((res = mono_marshal_find_in_cache (cache, klass)))
8451 isint_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
8452 isint_sig->params [0] = &mono_defaults.object_class->byval_arg;
8453 isint_sig->ret = &mono_defaults.object_class->byval_arg;
8454 isint_sig->pinvoke = 0;
8457 name = g_strdup_printf ("__proxy_isinst_wrapper_%s", klass->name);
8458 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_PROXY_ISINST);
8461 mb->method->save_lmf = 1;
8463 /* get the real proxy from the transparent proxy*/
8464 mono_mb_emit_ldarg (mb, 0);
8465 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
8466 mono_mb_emit_byte (mb, CEE_LDIND_REF);
8468 /* get the reflection type from the type handle */
8469 mono_mb_emit_ptr (mb, &klass->byval_arg);
8470 mono_mb_emit_icall (mb, type_from_handle);
8472 mono_mb_emit_ldarg (mb, 0);
8474 /* make the call to CanCastTo (type, ob) */
8475 desc = mono_method_desc_new ("IRemotingTypeInfo:CanCastTo", FALSE);
8476 can_cast_to = mono_method_desc_search_in_class (desc, mono_defaults.iremotingtypeinfo_class);
8477 g_assert (can_cast_to);
8478 mono_method_desc_free (desc);
8479 mono_mb_emit_op (mb, CEE_CALLVIRT, can_cast_to);
8481 pos_failed = mono_mb_emit_branch (mb, CEE_BRFALSE);
8483 /* Upgrade the proxy vtable by calling: mono_upgrade_remote_class_wrapper (type, ob)*/
8484 mono_mb_emit_ptr (mb, &klass->byval_arg);
8485 mono_mb_emit_icall (mb, type_from_handle);
8486 mono_mb_emit_ldarg (mb, 0);
8488 mono_mb_emit_icall (mb, mono_upgrade_remote_class_wrapper);
8489 emit_thread_interrupt_checkpoint (mb);
8491 mono_mb_emit_ldarg (mb, 0);
8492 pos_end = mono_mb_emit_branch (mb, CEE_BR);
8496 mono_mb_patch_addr (mb, pos_failed, mb->pos - (pos_failed + 4));
8497 mono_mb_emit_byte (mb, CEE_LDNULL);
8501 mono_mb_patch_addr (mb, pos_end, mb->pos - (pos_end + 4));
8502 mono_mb_emit_byte (mb, CEE_RET);
8504 res = mono_mb_create_and_cache (cache, klass, mb, isint_sig, isint_sig->param_count + 16);
8511 mono_upgrade_remote_class_wrapper (MonoReflectionType *rtype, MonoTransparentProxy *tproxy)
8514 MonoDomain *domain = ((MonoObject*)tproxy)->vtable->domain;
8515 klass = mono_class_from_mono_type (rtype->type);
8516 mono_upgrade_remote_class (domain, (MonoObject*)tproxy, klass);
8520 * mono_marshal_get_struct_to_ptr:
8523 * generates IL code for StructureToPtr (object structure, IntPtr ptr, bool fDeleteOld)
8526 mono_marshal_get_struct_to_ptr (MonoClass *klass)
8528 MonoMethodBuilder *mb;
8529 static MonoMethod *stoptr = NULL;
8532 g_assert (klass != NULL);
8534 mono_marshal_load_type_info (klass);
8536 if (klass->marshal_info->str_to_ptr)
8537 return klass->marshal_info->str_to_ptr;
8540 stoptr = mono_class_get_method_from_name (mono_defaults.marshal_class, "StructureToPtr", 3);
8543 mb = mono_mb_new (klass, stoptr->name, MONO_WRAPPER_UNKNOWN);
8545 if (klass->blittable) {
8546 mono_mb_emit_byte (mb, CEE_LDARG_1);
8547 mono_mb_emit_byte (mb, CEE_LDARG_0);
8548 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
8549 mono_mb_emit_icon (mb, mono_class_value_size (klass, NULL));
8550 mono_mb_emit_byte (mb, CEE_PREFIX1);
8551 mono_mb_emit_byte (mb, CEE_CPBLK);
8554 /* allocate local 0 (pointer) src_ptr */
8555 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8556 /* allocate local 1 (pointer) dst_ptr */
8557 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8558 /* allocate local 2 (boolean) delete_old */
8559 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
8560 mono_mb_emit_byte (mb, CEE_LDARG_2);
8561 mono_mb_emit_stloc (mb, 2);
8563 /* initialize src_ptr to point to the start of object data */
8564 mono_mb_emit_byte (mb, CEE_LDARG_0);
8565 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
8566 mono_mb_emit_stloc (mb, 0);
8568 /* initialize dst_ptr */
8569 mono_mb_emit_byte (mb, CEE_LDARG_1);
8570 mono_mb_emit_stloc (mb, 1);
8572 emit_struct_conv (mb, klass, FALSE);
8575 mono_mb_emit_byte (mb, CEE_RET);
8577 res = mono_mb_create_method (mb, mono_method_signature (stoptr), 0);
8580 klass->marshal_info->str_to_ptr = res;
8585 * mono_marshal_get_ptr_to_struct:
8588 * generates IL code for PtrToStructure (IntPtr src, object structure)
8591 mono_marshal_get_ptr_to_struct (MonoClass *klass)
8593 MonoMethodBuilder *mb;
8594 static MonoMethodSignature *ptostr = NULL;
8597 g_assert (klass != NULL);
8599 mono_marshal_load_type_info (klass);
8601 if (klass->marshal_info->ptr_to_str)
8602 return klass->marshal_info->ptr_to_str;
8605 /* Create the signature corresponding to
8606 static void PtrToStructure (IntPtr ptr, object structure);
8607 defined in class/corlib/System.Runtime.InteropServices/Marshal.cs */
8608 ptostr = mono_create_icall_signature ("void ptr object");
8610 mb = mono_mb_new (klass, "PtrToStructure", MONO_WRAPPER_UNKNOWN);
8612 if (klass->blittable) {
8613 mono_mb_emit_byte (mb, CEE_LDARG_1);
8614 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
8615 mono_mb_emit_byte (mb, CEE_LDARG_0);
8616 mono_mb_emit_icon (mb, mono_class_value_size (klass, NULL));
8617 mono_mb_emit_byte (mb, CEE_PREFIX1);
8618 mono_mb_emit_byte (mb, CEE_CPBLK);
8621 /* allocate local 0 (pointer) src_ptr */
8622 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8623 /* allocate local 1 (pointer) dst_ptr */
8624 mono_mb_add_local (mb, &klass->this_arg);
8626 /* initialize src_ptr to point to the start of object data */
8627 mono_mb_emit_byte (mb, CEE_LDARG_0);
8628 mono_mb_emit_stloc (mb, 0);
8630 /* initialize dst_ptr */
8631 mono_mb_emit_byte (mb, CEE_LDARG_1);
8632 mono_mb_emit_op (mb, CEE_UNBOX, klass);
8633 mono_mb_emit_stloc (mb, 1);
8635 emit_struct_conv (mb, klass, TRUE);
8638 mono_mb_emit_byte (mb, CEE_RET);
8640 res = mono_mb_create_method (mb, ptostr, 0);
8643 klass->marshal_info->ptr_to_str = res;
8648 * generates IL code for the synchronized wrapper: the generated method
8649 * calls METHOD while locking 'this' or the parent type.
8652 mono_marshal_get_synchronized_wrapper (MonoMethod *method)
8654 static MonoMethod *enter_method, *exit_method;
8655 MonoMethodSignature *sig;
8656 MonoExceptionClause *clause;
8657 MonoMethodHeader *header;
8658 MonoMethodBuilder *mb;
8661 int i, pos, this_local, ret_local = 0;
8665 if (method->wrapper_type == MONO_WRAPPER_SYNCHRONIZED)
8668 cache = method->klass->image->synchronized_cache;
8669 if ((res = mono_marshal_find_in_cache (cache, method)))
8672 sig = signature_dup (method->klass->image, mono_method_signature (method));
8675 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_SYNCHRONIZED);
8678 if (!MONO_TYPE_IS_VOID (sig->ret))
8679 ret_local = mono_mb_add_local (mb, sig->ret);
8682 this_local = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
8684 mono_loader_lock ();
8685 clause = mono_mempool_alloc0 (method->klass->image->mempool, sizeof (MonoExceptionClause));
8686 mono_loader_unlock ();
8687 clause->flags = MONO_EXCEPTION_CLAUSE_FINALLY;
8689 if (!enter_method) {
8690 MonoMethodDesc *desc;
8692 desc = mono_method_desc_new ("Monitor:Enter", FALSE);
8693 enter_method = mono_method_desc_search_in_class (desc, mono_defaults.monitor_class);
8694 g_assert (enter_method);
8695 mono_method_desc_free (desc);
8696 desc = mono_method_desc_new ("Monitor:Exit", FALSE);
8697 exit_method = mono_method_desc_search_in_class (desc, mono_defaults.monitor_class);
8698 g_assert (exit_method);
8699 mono_method_desc_free (desc);
8702 /* Push this or the type object */
8703 if (method->flags & METHOD_ATTRIBUTE_STATIC) {
8705 * GetTypeFromHandle isn't called as a managed method because it has
8706 * a funky calling sequence, e.g. ldtoken+GetTypeFromHandle gets
8707 * transformed into something else by the JIT.
8709 mono_mb_emit_ptr (mb, &method->klass->byval_arg);
8710 mono_mb_emit_icall (mb, type_from_handle);
8713 mono_mb_emit_ldarg (mb, 0);
8714 mono_mb_emit_stloc (mb, this_local);
8716 /* Call Monitor::Enter() */
8717 mono_mb_emit_ldloc (mb, this_local);
8718 mono_mb_emit_managed_call (mb, enter_method, NULL);
8720 clause->try_offset = mb->pos;
8722 /* Call the method */
8724 mono_mb_emit_ldarg (mb, 0);
8725 for (i = 0; i < sig->param_count; i++)
8726 mono_mb_emit_ldarg (mb, i + (sig->hasthis == TRUE));
8728 /* this is needed to avoid recursion */
8729 mono_mb_emit_byte (mb, CEE_PREFIX1);
8730 mono_mb_emit_op (mb, CEE_LDFTN, method);
8731 mono_mb_emit_calli (mb, mono_method_signature (method));
8733 if (!MONO_TYPE_IS_VOID (sig->ret))
8734 mono_mb_emit_stloc (mb, ret_local);
8736 pos = mono_mb_emit_branch (mb, CEE_LEAVE);
8738 clause->try_len = mb->pos - clause->try_offset;
8739 clause->handler_offset = mb->pos;
8741 /* Call Monitor::Exit() */
8742 mono_mb_emit_ldloc (mb, this_local);
8743 /* mono_mb_emit_native_call (mb, exit_sig, mono_monitor_exit); */
8744 mono_mb_emit_managed_call (mb, exit_method, NULL);
8745 mono_mb_emit_byte (mb, CEE_ENDFINALLY);
8747 clause->handler_len = mb->pos - clause->handler_offset;
8749 mono_mb_patch_branch (mb, pos);
8750 if (!MONO_TYPE_IS_VOID (sig->ret))
8751 mono_mb_emit_ldloc (mb, ret_local);
8752 mono_mb_emit_byte (mb, CEE_RET);
8754 res = mono_mb_create_and_cache (cache, method,
8755 mb, sig, sig->param_count + 16);
8758 header = ((MonoMethodNormal *)res)->header;
8759 header->num_clauses = 1;
8760 header->clauses = clause;
8767 * the returned method calls 'method' unboxing the this argument
8770 mono_marshal_get_unbox_wrapper (MonoMethod *method)
8772 MonoMethodSignature *sig = mono_method_signature (method);
8774 MonoMethodBuilder *mb;
8778 cache = method->klass->image->unbox_wrapper_cache;
8779 if ((res = mono_marshal_find_in_cache (cache, method)))
8782 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_UNBOX);
8784 g_assert (sig->hasthis);
8786 mono_mb_emit_ldarg (mb, 0);
8787 mono_mb_emit_icon (mb, sizeof (MonoObject));
8788 mono_mb_emit_byte (mb, CEE_ADD);
8789 for (i = 0; i < sig->param_count; ++i)
8790 mono_mb_emit_ldarg (mb, i + 1);
8791 mono_mb_emit_managed_call (mb, method, NULL);
8792 mono_mb_emit_byte (mb, CEE_RET);
8794 res = mono_mb_create_and_cache (cache, method,
8795 mb, sig, sig->param_count + 16);
8798 /* 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)); */
8804 mono_marshal_get_stelemref ()
8806 static MonoMethod* ret = NULL;
8807 MonoMethodSignature *sig;
8808 MonoMethodBuilder *mb;
8810 guint32 b1, b2, b3, b4;
8813 int array_slot_addr;
8818 mb = mono_mb_new (mono_defaults.object_class, "stelemref", MONO_WRAPPER_STELEMREF);
8821 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
8823 /* void stelemref (void* array, int idx, void* value) */
8824 sig->ret = &mono_defaults.void_class->byval_arg;
8825 sig->params [0] = &mono_defaults.object_class->byval_arg;
8826 sig->params [1] = &mono_defaults.int_class->byval_arg; /* this is a natural sized int */
8827 sig->params [2] = &mono_defaults.object_class->byval_arg;
8829 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8830 vklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8831 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
8835 <ldelema (bound check)>
8839 aklass = array->vtable->klass->element_class;
8840 vklass = value->vtable->klass;
8842 if (vklass->idepth < aklass->idepth)
8845 if (vklass->supertypes [aklass->idepth - 1] != aklass)
8849 *array_slot_addr = value;
8853 if (mono_object_isinst (value, aklass))
8856 throw new ArrayTypeMismatchException ();
8859 /* ldelema (implicit bound check) */
8860 mono_mb_emit_ldarg (mb, 0);
8861 mono_mb_emit_ldarg (mb, 1);
8862 mono_mb_emit_op (mb, CEE_LDELEMA, mono_defaults.object_class);
8863 mono_mb_emit_stloc (mb, array_slot_addr);
8865 /* if (!value) goto do_store */
8866 mono_mb_emit_ldarg (mb, 2);
8867 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
8869 /* aklass = array->vtable->klass->element_class */
8870 mono_mb_emit_ldarg (mb, 0);
8871 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
8872 mono_mb_emit_byte (mb, CEE_LDIND_I);
8873 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, klass));
8874 mono_mb_emit_byte (mb, CEE_LDIND_I);
8875 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, element_class));
8876 mono_mb_emit_byte (mb, CEE_LDIND_I);
8877 mono_mb_emit_stloc (mb, aklass);
8879 /* vklass = value->vtable->klass */
8880 mono_mb_emit_ldarg (mb, 2);
8881 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
8882 mono_mb_emit_byte (mb, CEE_LDIND_I);
8883 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, klass));
8884 mono_mb_emit_byte (mb, CEE_LDIND_I);
8885 mono_mb_emit_stloc (mb, vklass);
8887 /* if (vklass->idepth < aklass->idepth) goto failue */
8888 mono_mb_emit_ldloc (mb, vklass);
8889 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
8890 mono_mb_emit_byte (mb, CEE_LDIND_U2);
8892 mono_mb_emit_ldloc (mb, aklass);
8893 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
8894 mono_mb_emit_byte (mb, CEE_LDIND_U2);
8896 b2 = mono_mb_emit_branch (mb, CEE_BLT_UN);
8898 /* if (vklass->supertypes [aklass->idepth - 1] != aklass) goto failure */
8899 mono_mb_emit_ldloc (mb, vklass);
8900 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, supertypes));
8901 mono_mb_emit_byte (mb, CEE_LDIND_I);
8903 mono_mb_emit_ldloc (mb, aklass);
8904 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
8905 mono_mb_emit_byte (mb, CEE_LDIND_U2);
8906 mono_mb_emit_icon (mb, 1);
8907 mono_mb_emit_byte (mb, CEE_SUB);
8908 mono_mb_emit_icon (mb, sizeof (void*));
8909 mono_mb_emit_byte (mb, CEE_MUL);
8910 mono_mb_emit_byte (mb, CEE_ADD);
8911 mono_mb_emit_byte (mb, CEE_LDIND_I);
8913 mono_mb_emit_ldloc (mb, aklass);
8915 b3 = mono_mb_emit_branch (mb, CEE_BNE_UN);
8919 mono_mb_patch_branch (mb, b1);
8920 mono_mb_emit_ldloc (mb, array_slot_addr);
8921 mono_mb_emit_ldarg (mb, 2);
8922 mono_mb_emit_byte (mb, CEE_STIND_REF);
8924 mono_mb_emit_byte (mb, CEE_RET);
8927 mono_mb_patch_branch (mb, b2);
8928 mono_mb_patch_branch (mb, b3);
8930 mono_mb_emit_ldarg (mb, 2);
8931 mono_mb_emit_ldloc (mb, aklass);
8932 mono_mb_emit_icall (mb, mono_object_isinst);
8934 b4 = mono_mb_emit_branch (mb, CEE_BRTRUE);
8935 mono_mb_patch_addr (mb, b4, copy_pos - (b4 + 4));
8936 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
8938 mono_mb_emit_byte (mb, CEE_RET);
8939 ret = mono_mb_create_method (mb, sig, 4);
8950 /* LOCKING: vars accessed under the marshal lock */
8951 static ArrayElemAddr *elem_addr_cache = NULL;
8952 static int elem_addr_cache_size = 0;
8953 static int elem_addr_cache_next = 0;
8956 * mono_marshal_get_array_address:
8957 * @rank: rank of the array type
8958 * @elem_size: size in bytes of an element of an array.
8960 * Returns a MonoMethd that implements the code to get the address
8961 * of an element in a multi-dimenasional array of @rank dimensions.
8962 * The returned method takes an array as the first argument and then
8963 * @rank indexes for the @rank dimensions.
8966 mono_marshal_get_array_address (int rank, int elem_size)
8969 MonoMethodBuilder *mb;
8970 MonoMethodSignature *sig;
8971 int i, bounds, ind, realidx;
8972 int branch_pos, *branch_positions;
8976 mono_marshal_lock ();
8977 for (i = 0; i < elem_addr_cache_next; ++i) {
8978 if (elem_addr_cache [i].rank == rank && elem_addr_cache [i].elem_size == elem_size) {
8979 ret = elem_addr_cache [i].method;
8983 mono_marshal_unlock ();
8987 branch_positions = g_new0 (int, rank);
8989 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1 + rank);
8991 /* void* address (void* array, int idx0, int idx1, int idx2, ...) */
8992 sig->ret = &mono_defaults.int_class->byval_arg;
8993 sig->params [0] = &mono_defaults.object_class->byval_arg;
8994 for (i = 0; i < rank; ++i) {
8995 sig->params [i + 1] = &mono_defaults.int32_class->byval_arg;
8998 mb = mono_mb_new (mono_defaults.object_class, "ElementAddr", MONO_WRAPPER_MANAGED_TO_MANAGED);
9000 bounds = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9001 ind = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
9002 realidx = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
9004 /* bounds = array->bounds; */
9005 mono_mb_emit_ldarg (mb, 0);
9006 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoArray, bounds));
9007 mono_mb_emit_byte (mb, CEE_LDIND_I);
9008 mono_mb_emit_stloc (mb, bounds);
9010 /* ind is the overall element index, realidx is the partial index in a single dimension */
9011 /* ind = idx0 - bounds [0].lower_bound */
9012 mono_mb_emit_ldarg (mb, 1);
9013 mono_mb_emit_ldloc (mb, bounds);
9014 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArrayBounds, lower_bound));
9015 mono_mb_emit_byte (mb, CEE_ADD);
9016 mono_mb_emit_byte (mb, CEE_LDIND_I4);
9017 mono_mb_emit_byte (mb, CEE_SUB);
9018 mono_mb_emit_stloc (mb, ind);
9019 /* if (ind >= bounds [0].length) goto exeception; */
9020 mono_mb_emit_ldloc (mb, ind);
9021 mono_mb_emit_ldloc (mb, bounds);
9022 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArrayBounds, length));
9023 mono_mb_emit_byte (mb, CEE_ADD);
9024 mono_mb_emit_byte (mb, CEE_LDIND_I4);
9025 /* note that we use unsigned comparison */
9026 branch_pos = mono_mb_emit_branch (mb, CEE_BGE_UN);
9028 /* For large ranks (> 4?) use a loop n IL later to reduce code size.
9029 * We could also decide to ignore the passed elem_size and get it
9030 * from the array object, to reduce the number of methods we generate:
9031 * the additional cost is 3 memory loads and a non-immediate mul.
9033 for (i = 1; i < rank; ++i) {
9034 /* realidx = idxi - bounds [i].lower_bound */
9035 mono_mb_emit_ldarg (mb, 1 + i);
9036 mono_mb_emit_ldloc (mb, bounds);
9037 mono_mb_emit_icon (mb, (i * sizeof (MonoArrayBounds)) + G_STRUCT_OFFSET (MonoArrayBounds, lower_bound));
9038 mono_mb_emit_byte (mb, CEE_ADD);
9039 mono_mb_emit_byte (mb, CEE_LDIND_I4);
9040 mono_mb_emit_byte (mb, CEE_SUB);
9041 mono_mb_emit_stloc (mb, realidx);
9042 /* if (realidx >= bounds [i].length) goto exeception; */
9043 mono_mb_emit_ldloc (mb, realidx);
9044 mono_mb_emit_ldloc (mb, bounds);
9045 mono_mb_emit_icon (mb, (i * sizeof (MonoArrayBounds)) + G_STRUCT_OFFSET (MonoArrayBounds, length));
9046 mono_mb_emit_byte (mb, CEE_ADD);
9047 mono_mb_emit_byte (mb, CEE_LDIND_I4);
9048 branch_positions [i] = mono_mb_emit_branch (mb, CEE_BGE_UN);
9049 /* ind = ind * bounds [i].length + realidx */
9050 mono_mb_emit_ldloc (mb, ind);
9051 mono_mb_emit_ldloc (mb, bounds);
9052 mono_mb_emit_icon (mb, (i * sizeof (MonoArrayBounds)) + G_STRUCT_OFFSET (MonoArrayBounds, length));
9053 mono_mb_emit_byte (mb, CEE_ADD);
9054 mono_mb_emit_byte (mb, CEE_LDIND_I4);
9055 mono_mb_emit_byte (mb, CEE_MUL);
9056 mono_mb_emit_ldloc (mb, realidx);
9057 mono_mb_emit_byte (mb, CEE_ADD);
9058 mono_mb_emit_stloc (mb, ind);
9061 /* return array->vector + ind * element_size */
9062 mono_mb_emit_ldarg (mb, 0);
9063 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoArray, vector));
9064 mono_mb_emit_ldloc (mb, ind);
9065 mono_mb_emit_icon (mb, elem_size);
9066 mono_mb_emit_byte (mb, CEE_MUL);
9067 mono_mb_emit_byte (mb, CEE_ADD);
9068 mono_mb_emit_byte (mb, CEE_RET);
9070 /* patch the branches to get here and throw */
9071 for (i = 1; i < rank; ++i) {
9072 mono_mb_patch_branch (mb, branch_positions [i]);
9074 mono_mb_patch_branch (mb, branch_pos);
9075 /* throw exception */
9076 mono_mb_emit_exception (mb, "IndexOutOfRangeException", NULL);
9078 g_free (branch_positions);
9079 mono_loader_lock ();
9080 ret = mono_mb_create_method (mb, sig, 4);
9081 mono_loader_unlock ();
9084 /* cache the result */
9086 mono_marshal_lock ();
9087 for (i = 0; i < elem_addr_cache_next; ++i) {
9088 if (elem_addr_cache [i].rank == rank && elem_addr_cache [i].elem_size == elem_size) {
9089 /* FIXME: free ret */
9090 ret = elem_addr_cache [i].method;
9096 if (elem_addr_cache_next >= elem_addr_cache_size) {
9097 int new_size = elem_addr_cache_size + 4;
9098 ArrayElemAddr *new_array = g_new0 (ArrayElemAddr, new_size);
9099 memcpy (new_array, elem_addr_cache, elem_addr_cache_size * sizeof (ArrayElemAddr));
9100 g_free (elem_addr_cache);
9101 elem_addr_cache = new_array;
9102 elem_addr_cache_size = new_size;
9104 elem_addr_cache [elem_addr_cache_next].rank = rank;
9105 elem_addr_cache [elem_addr_cache_next].elem_size = elem_size;
9106 elem_addr_cache [elem_addr_cache_next].method = ret;
9108 mono_marshal_unlock ();
9113 mono_marshal_get_write_barrier (void)
9115 static MonoMethod* ret = NULL;
9116 MonoMethodSignature *sig;
9117 MonoMethodBuilder *mb;
9123 mb = mono_mb_new (mono_defaults.object_class, "writebarrier", MONO_WRAPPER_WRITE_BARRIER);
9125 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 2);
9127 /* void writebarrier (MonoObject** addr, MonoObject* obj) */
9128 sig->ret = &mono_defaults.void_class->byval_arg;
9129 sig->params [0] = &mono_defaults.object_class->this_arg;
9130 sig->params [1] = &mono_defaults.object_class->byval_arg;
9132 /* just the store right now: add an hook for the GC to use, maybe something
9133 * that can be used for stelemref as well
9134 * We need a write barrier variant to be used with struct copies as well, though
9135 * there are also other approaches possible, like writing a wrapper specific to
9136 * the struct or to the reference pattern in the struct...
9137 * Depending on the GC, we may want variants that take the object we store to
9138 * when it is available.
9140 mono_mb_emit_ldarg (mb, 0);
9141 mono_mb_emit_ldarg (mb, 1);
9142 mono_mb_emit_icall (mb, mono_gc_wbarrier_generic_store);
9143 /*mono_mb_emit_byte (mb, CEE_STIND_REF);*/
9145 mono_mb_emit_byte (mb, CEE_RET);
9147 ret = mono_mb_create_method (mb, sig, max_stack);
9153 mono_marshal_alloc (gulong size)
9157 #ifdef PLATFORM_WIN32
9158 res = CoTaskMemAlloc (size);
9160 res = g_try_malloc ((gulong)size);
9162 mono_gc_out_of_memory ((gulong)size);
9168 mono_marshal_free (gpointer ptr)
9170 #ifdef PLATFORM_WIN32
9171 CoTaskMemFree (ptr);
9178 mono_marshal_free_array (gpointer *ptr, int size)
9185 for (i = 0; i < size; i++)
9191 mono_marshal_realloc (gpointer ptr, gpointer size)
9193 MONO_ARCH_SAVE_REGS;
9195 return g_try_realloc (ptr, (gulong)size);
9199 mono_marshal_string_to_utf16 (MonoString *s)
9201 return s ? mono_string_chars (s) : NULL;
9205 * mono_marshal_set_last_error:
9207 * This function is invoked to set the last error value from a P/Invoke call
9208 * which has SetLastError set.
9211 mono_marshal_set_last_error (void)
9214 TlsSetValue (last_error_tls_id, GINT_TO_POINTER (GetLastError ()));
9216 TlsSetValue (last_error_tls_id, GINT_TO_POINTER (errno));
9221 mono_marshal_set_last_error_windows (int error)
9224 TlsSetValue (last_error_tls_id, GINT_TO_POINTER (error));
9229 ves_icall_System_Runtime_InteropServices_Marshal_copy_to_unmanaged (MonoArray *src, gint32 start_index,
9230 gpointer dest, gint32 length)
9235 MONO_ARCH_SAVE_REGS;
9237 MONO_CHECK_ARG_NULL (src);
9238 MONO_CHECK_ARG_NULL (dest);
9240 if (src->obj.vtable->klass->rank != 1)
9241 mono_raise_exception (mono_get_exception_argument ("array", "array is multi-dimensional"));
9242 if (start_index < 0)
9243 mono_raise_exception (mono_get_exception_argument ("startIndex", "Must be >= 0"));
9245 mono_raise_exception (mono_get_exception_argument ("length", "Must be >= 0"));
9246 if (start_index + length > mono_array_length (src))
9247 mono_raise_exception (mono_get_exception_argument ("length", "start_index + length > array length"));
9249 element_size = mono_array_element_size (src->obj.vtable->klass);
9251 /* no references should be involved */
9252 source_addr = mono_array_addr_with_size (src, element_size, start_index);
9254 memcpy (dest, source_addr, length * element_size);
9258 ves_icall_System_Runtime_InteropServices_Marshal_copy_from_unmanaged (gpointer src, gint32 start_index,
9259 MonoArray *dest, gint32 length)
9264 MONO_ARCH_SAVE_REGS;
9266 MONO_CHECK_ARG_NULL (src);
9267 MONO_CHECK_ARG_NULL (dest);
9269 if (dest->obj.vtable->klass->rank != 1)
9270 mono_raise_exception (mono_get_exception_argument ("array", "array is multi-dimensional"));
9271 if (start_index < 0)
9272 mono_raise_exception (mono_get_exception_argument ("startIndex", "Must be >= 0"));
9274 mono_raise_exception (mono_get_exception_argument ("length", "Must be >= 0"));
9275 if (start_index + length > mono_array_length (dest))
9276 mono_raise_exception (mono_get_exception_argument ("length", "start_index + length > array length"));
9278 element_size = mono_array_element_size (dest->obj.vtable->klass);
9280 /* no references should be involved */
9281 dest_addr = mono_array_addr_with_size (dest, element_size, start_index);
9283 memcpy (dest_addr, src, length * element_size);
9286 #if NO_UNALIGNED_ACCESS
9287 #define RETURN_UNALIGNED(type, addr) \
9290 memcpy(&val, p + offset, sizeof(val)); \
9293 #define WRITE_UNALIGNED(type, addr, val) \
9294 memcpy(addr, &val, sizeof(type))
9296 #define RETURN_UNALIGNED(type, addr) \
9297 return *(type*)(p + offset);
9298 #define WRITE_UNALIGNED(type, addr, val) \
9299 (*(type *)(addr) = (val))
9303 ves_icall_System_Runtime_InteropServices_Marshal_ReadIntPtr (gpointer ptr, gint32 offset)
9307 MONO_ARCH_SAVE_REGS;
9309 RETURN_UNALIGNED(gpointer, p + offset);
9313 ves_icall_System_Runtime_InteropServices_Marshal_ReadByte (gpointer ptr, gint32 offset)
9317 MONO_ARCH_SAVE_REGS;
9319 return *(unsigned char*)(p + offset);
9323 ves_icall_System_Runtime_InteropServices_Marshal_ReadInt16 (gpointer ptr, gint32 offset)
9327 MONO_ARCH_SAVE_REGS;
9329 RETURN_UNALIGNED(gint16, p + offset);
9333 ves_icall_System_Runtime_InteropServices_Marshal_ReadInt32 (gpointer ptr, gint32 offset)
9337 MONO_ARCH_SAVE_REGS;
9339 RETURN_UNALIGNED(gint32, p + offset);
9343 ves_icall_System_Runtime_InteropServices_Marshal_ReadInt64 (gpointer ptr, gint32 offset)
9347 MONO_ARCH_SAVE_REGS;
9349 RETURN_UNALIGNED(gint64, p + offset);
9353 ves_icall_System_Runtime_InteropServices_Marshal_WriteByte (gpointer ptr, gint32 offset, unsigned char val)
9357 MONO_ARCH_SAVE_REGS;
9359 *(unsigned char*)(p + offset) = val;
9363 ves_icall_System_Runtime_InteropServices_Marshal_WriteIntPtr (gpointer ptr, gint32 offset, gpointer val)
9367 MONO_ARCH_SAVE_REGS;
9369 WRITE_UNALIGNED(gpointer, p + offset, val);
9373 ves_icall_System_Runtime_InteropServices_Marshal_WriteInt16 (gpointer ptr, gint32 offset, gint16 val)
9377 MONO_ARCH_SAVE_REGS;
9379 WRITE_UNALIGNED(gint16, p + offset, val);
9383 ves_icall_System_Runtime_InteropServices_Marshal_WriteInt32 (gpointer ptr, gint32 offset, gint32 val)
9387 MONO_ARCH_SAVE_REGS;
9389 WRITE_UNALIGNED(gint32, p + offset, val);
9393 ves_icall_System_Runtime_InteropServices_Marshal_WriteInt64 (gpointer ptr, gint32 offset, gint64 val)
9397 MONO_ARCH_SAVE_REGS;
9399 WRITE_UNALIGNED(gint64, p + offset, val);
9403 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringAnsi (char *ptr)
9405 MONO_ARCH_SAVE_REGS;
9410 return mono_string_new (mono_domain_get (), ptr);
9414 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringAnsi_len (char *ptr, gint32 len)
9416 MONO_ARCH_SAVE_REGS;
9419 mono_raise_exception (mono_get_exception_argument_null ("ptr"));
9420 g_assert_not_reached ();
9423 return mono_string_new_len (mono_domain_get (), ptr, len);
9428 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringUni (guint16 *ptr)
9430 MonoDomain *domain = mono_domain_get ();
9434 MONO_ARCH_SAVE_REGS;
9442 return mono_string_new_utf16 (domain, ptr, len);
9446 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringUni_len (guint16 *ptr, gint32 len)
9448 MonoDomain *domain = mono_domain_get ();
9450 MONO_ARCH_SAVE_REGS;
9453 mono_raise_exception (mono_get_exception_argument_null ("ptr"));
9454 g_assert_not_reached ();
9457 return mono_string_new_utf16 (domain, ptr, len);
9462 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringBSTR (gpointer ptr)
9464 MONO_ARCH_SAVE_REGS;
9466 return mono_string_from_bstr(ptr);
9470 ves_icall_System_Runtime_InteropServices_Marshal_StringToBSTR (MonoString* ptr)
9472 MONO_ARCH_SAVE_REGS;
9474 return mono_string_to_bstr(ptr);
9477 // STDCALL on windows, CDECL everywhere else to work with XPCOM and MainWin COM
9478 #ifdef PLATFORM_WIN32
9480 #define STDCALL __stdcall
9482 #define STDCALL __attribute__((stdcall))
9490 int (STDCALL *QueryInterface)(gpointer pUnk, gpointer riid, gpointer* ppv);
9491 int (STDCALL *AddRef)(gpointer pUnk);
9492 int (STDCALL *Release)(gpointer pUnk);
9496 ves_icall_System_Runtime_InteropServices_Marshal_FreeBSTR (gpointer ptr)
9498 MONO_ARCH_SAVE_REGS;
9500 mono_free_bstr (ptr);
9504 ves_icall_System_Runtime_InteropServices_Marshal_AddRef (gpointer pUnk)
9506 MONO_ARCH_SAVE_REGS;
9508 return (*(MonoIUnknown**)pUnk)->AddRef(pUnk);
9512 ves_icall_System_Runtime_InteropServices_Marshal_QueryInterface (gpointer pUnk, gpointer riid, gpointer* ppv)
9514 MONO_ARCH_SAVE_REGS;
9516 return (*(MonoIUnknown**)pUnk)->QueryInterface(pUnk, riid, ppv);
9520 ves_icall_System_Runtime_InteropServices_Marshal_Release (gpointer pUnk)
9522 MONO_ARCH_SAVE_REGS;
9524 return (*(MonoIUnknown**)pUnk)->Release(pUnk);
9528 ves_icall_System_Runtime_InteropServices_Marshal_GetComSlotForMethodInfoInternal (MonoReflectionMethod *m)
9530 MONO_ARCH_SAVE_REGS;
9532 return cominterop_get_com_slot_for_method (m->method);
9536 ves_icall_System_Runtime_InteropServices_Marshal_GetLastWin32Error (void)
9538 MONO_ARCH_SAVE_REGS;
9540 return (GPOINTER_TO_INT (TlsGetValue (last_error_tls_id)));
9544 ves_icall_System_Runtime_InteropServices_Marshal_SizeOf (MonoReflectionType *rtype)
9550 MONO_ARCH_SAVE_REGS;
9552 MONO_CHECK_ARG_NULL (rtype);
9555 klass = mono_class_from_mono_type (type);
9556 layout = (klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK);
9558 if (layout == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
9562 msg = g_strdup_printf ("Type %s cannot be marshaled as an unmanaged structure.", klass->name);
9563 exc = mono_get_exception_argument ("t", msg);
9565 mono_raise_exception (exc);
9569 return mono_class_native_size (klass, NULL);
9573 ves_icall_System_Runtime_InteropServices_Marshal_StructureToPtr (MonoObject *obj, gpointer dst, MonoBoolean delete_old)
9578 MONO_ARCH_SAVE_REGS;
9580 MONO_CHECK_ARG_NULL (obj);
9581 MONO_CHECK_ARG_NULL (dst);
9583 method = mono_marshal_get_struct_to_ptr (obj->vtable->klass);
9587 pa [2] = &delete_old;
9589 mono_runtime_invoke (method, NULL, pa, NULL);
9593 ptr_to_structure (gpointer src, MonoObject *dst)
9598 method = mono_marshal_get_ptr_to_struct (dst->vtable->klass);
9603 mono_runtime_invoke (method, NULL, pa, NULL);
9607 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure (gpointer src, MonoObject *dst)
9611 MONO_ARCH_SAVE_REGS;
9613 MONO_CHECK_ARG_NULL (src);
9614 MONO_CHECK_ARG_NULL (dst);
9616 t = mono_type_get_underlying_type (mono_class_get_type (dst->vtable->klass));
9618 if (t->type == MONO_TYPE_VALUETYPE) {
9622 tmp = g_strdup_printf ("Destination is a boxed value type.");
9623 exc = mono_get_exception_argument ("dst", tmp);
9626 mono_raise_exception (exc);
9630 ptr_to_structure (src, dst);
9634 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure_type (gpointer src, MonoReflectionType *type)
9636 MonoDomain *domain = mono_domain_get ();
9639 MONO_ARCH_SAVE_REGS;
9641 MONO_CHECK_ARG_NULL (src);
9642 MONO_CHECK_ARG_NULL (type);
9644 res = mono_object_new (domain, mono_class_from_mono_type (type->type));
9646 ptr_to_structure (src, res);
9652 ves_icall_System_Runtime_InteropServices_Marshal_OffsetOf (MonoReflectionType *type, MonoString *field_name)
9654 MonoMarshalType *info;
9657 int match_index = -1;
9659 MONO_ARCH_SAVE_REGS;
9661 MONO_CHECK_ARG_NULL (type);
9662 MONO_CHECK_ARG_NULL (field_name);
9664 fname = mono_string_to_utf8 (field_name);
9665 klass = mono_class_from_mono_type (type->type);
9667 while (klass && match_index == -1) {
9668 MonoClassField* field;
9670 gpointer iter = NULL;
9671 while ((field = mono_class_get_fields (klass, &iter))) {
9672 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
9674 if (!strcmp (fname, field->name)) {
9681 if (match_index == -1)
9682 klass = klass->parent;
9687 if(match_index == -1) {
9691 /* Get back original class instance */
9692 klass = mono_class_from_mono_type (type->type);
9694 tmp = g_strdup_printf ("Field passed in is not a marshaled member of the type %s", klass->name);
9695 exc = mono_get_exception_argument ("fieldName", tmp);
9698 mono_raise_exception ((MonoException*)exc);
9701 info = mono_marshal_load_type_info (klass);
9702 return info->fields [match_index].offset;
9706 ves_icall_System_Runtime_InteropServices_Marshal_StringToHGlobalAnsi (MonoString *string)
9708 MONO_ARCH_SAVE_REGS;
9710 return mono_string_to_utf8 (string);
9714 ves_icall_System_Runtime_InteropServices_Marshal_StringToHGlobalUni (MonoString *string)
9716 MONO_ARCH_SAVE_REGS;
9721 gunichar2 *res = g_malloc ((mono_string_length (string) + 1) * 2);
9722 memcpy (res, mono_string_chars (string), mono_string_length (string) * 2);
9723 res [mono_string_length (string)] = 0;
9729 mono_struct_delete_old (MonoClass *klass, char *ptr)
9731 MonoMarshalType *info;
9734 info = mono_marshal_load_type_info (klass);
9736 for (i = 0; i < info->num_fields; i++) {
9737 MonoMarshalNative ntype;
9738 MonoMarshalConv conv;
9739 MonoType *ftype = info->fields [i].field->type;
9742 if (ftype->attrs & FIELD_ATTRIBUTE_STATIC)
9745 ntype = mono_type_to_unmanaged (ftype, info->fields [i].mspec, TRUE,
9746 klass->unicode, &conv);
9748 cpos = ptr + info->fields [i].offset;
9751 case MONO_MARSHAL_CONV_NONE:
9752 if (MONO_TYPE_ISSTRUCT (ftype)) {
9753 mono_struct_delete_old (ftype->data.klass, cpos);
9757 case MONO_MARSHAL_CONV_STR_LPWSTR:
9758 /* We assume this field points inside a MonoString */
9760 case MONO_MARSHAL_CONV_STR_LPSTR:
9761 case MONO_MARSHAL_CONV_STR_LPTSTR:
9762 case MONO_MARSHAL_CONV_STR_BSTR:
9763 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
9764 case MONO_MARSHAL_CONV_STR_TBSTR:
9765 mono_marshal_free (*(gpointer *)cpos);
9775 ves_icall_System_Runtime_InteropServices_Marshal_DestroyStructure (gpointer src, MonoReflectionType *type)
9779 MONO_ARCH_SAVE_REGS;
9781 MONO_CHECK_ARG_NULL (src);
9782 MONO_CHECK_ARG_NULL (type);
9784 klass = mono_class_from_mono_type (type->type);
9786 mono_struct_delete_old (klass, (char *)src);
9790 /* FIXME: on win32 we should probably use GlobalAlloc(). */
9792 ves_icall_System_Runtime_InteropServices_Marshal_AllocHGlobal (int size)
9796 MONO_ARCH_SAVE_REGS;
9798 if ((gulong)size == 0)
9799 /* This returns a valid pointer for size 0 on MS.NET */
9802 res = g_try_malloc ((gulong)size);
9804 mono_gc_out_of_memory ((gulong)size);
9810 ves_icall_System_Runtime_InteropServices_Marshal_FreeHGlobal (void *ptr)
9812 MONO_ARCH_SAVE_REGS;
9818 ves_icall_System_Runtime_InteropServices_Marshal_AllocCoTaskMem (int size)
9820 MONO_ARCH_SAVE_REGS;
9822 #ifdef PLATFORM_WIN32
9823 return CoTaskMemAlloc (size);
9825 return g_try_malloc ((gulong)size);
9830 ves_icall_System_Runtime_InteropServices_Marshal_FreeCoTaskMem (void *ptr)
9832 MONO_ARCH_SAVE_REGS;
9834 #ifdef PLATFORM_WIN32
9835 CoTaskMemFree (ptr);
9842 ves_icall_System_Runtime_InteropServices_Marshal_UnsafeAddrOfPinnedArrayElement (MonoArray *arrayobj, int index)
9844 return mono_array_addr_with_size (arrayobj, mono_array_element_size (arrayobj->obj.vtable->klass), index);
9848 ves_icall_System_Runtime_InteropServices_Marshal_GetDelegateForFunctionPointerInternal (void *ftn, MonoReflectionType *type)
9850 return mono_ftnptr_to_delegate (mono_type_get_class (type->type), ftn);
9853 /* Only used for COM RCWs */
9855 ves_icall_System_ComObject_CreateRCW (MonoReflectionType *type)
9861 MONO_ARCH_SAVE_REGS;
9863 domain = mono_object_domain (type);
9864 klass = mono_class_from_mono_type (type->type);
9866 /* call mono_object_new_alloc_specific instead of mono_object_new
9867 * because we want to actually create object. mono_object_new checks
9868 * to see if type is import and creates transparent proxy. this method
9869 * is called by the corresponding real proxy to create the real RCW.
9870 * Constructor does not need to be called. Will be called later.
9872 obj = mono_object_new_alloc_specific (mono_class_vtable (domain, klass));
9877 cominterop_finalizer (gpointer key, gpointer value, gpointer user_data)
9879 ves_icall_System_Runtime_InteropServices_Marshal_Release (value);
9884 ves_icall_System_ComObject_Finalizer(MonoComObject* obj)
9888 g_hash_table_foreach_remove (obj->itf_hash, cominterop_finalizer, NULL);
9889 obj->itf_hash = NULL;
9892 #define MONO_IUNKNOWN_INTERFACE_SLOT 0
9895 ves_icall_System_ComObject_FindInterface (MonoComObject* obj, MonoReflectionType* type)
9899 g_assert(obj->itf_hash);
9901 klass = mono_class_from_mono_type (type->type);
9903 return g_hash_table_lookup (obj->itf_hash, GUINT_TO_POINTER ((guint)klass->interface_id));
9907 ves_icall_System_ComObject_CacheInterface (MonoComObject* obj, MonoReflectionType* type, gpointer pItf)
9911 g_assert(obj->itf_hash);
9913 klass = mono_class_from_mono_type (type->type);
9915 g_hash_table_insert (obj->itf_hash, GUINT_TO_POINTER ((guint)klass->interface_id), pItf);
9919 ves_icall_System_ComObject_GetIUnknown (MonoComObject* obj)
9924 return g_hash_table_lookup (obj->itf_hash, MONO_IUNKNOWN_INTERFACE_SLOT);
9928 ves_icall_System_ComObject_SetIUnknown (MonoComObject* obj, gpointer pUnk)
9931 g_assert(!obj->itf_hash);
9932 obj->itf_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
9933 g_hash_table_insert (obj->itf_hash, MONO_IUNKNOWN_INTERFACE_SLOT, pUnk);
9937 * mono_marshal_is_loading_type_info:
9939 * Return whenever mono_marshal_load_type_info () is being executed for KLASS by this
9943 mono_marshal_is_loading_type_info (MonoClass *klass)
9945 GSList *loads_list = TlsGetValue (load_type_info_tls_id);
9947 return g_slist_find (loads_list, klass) != NULL;
9951 * mono_marshal_load_type_info:
9953 * Initialize klass->marshal_info using information from metadata. This function can
9954 * recursively call itself, and the caller is responsible to avoid that by calling
9955 * mono_marshal_is_loading_type_info () beforehand.
9957 * LOCKING: Acquires the loader lock.
9960 mono_marshal_load_type_info (MonoClass* klass)
9963 guint32 native_size = 0, min_align = 1;
9964 MonoMarshalType *info;
9965 MonoClassField* field;
9970 g_assert (klass != NULL);
9972 if (klass->marshal_info)
9973 return klass->marshal_info;
9976 mono_class_init (klass);
9978 mono_loader_lock ();
9980 if (klass->marshal_info) {
9981 mono_loader_unlock ();
9982 return klass->marshal_info;
9986 * This function can recursively call itself, so we keep the list of classes which are
9987 * under initialization in a TLS list.
9989 g_assert (!mono_marshal_is_loading_type_info (klass));
9990 loads_list = TlsGetValue (load_type_info_tls_id);
9991 loads_list = g_slist_prepend (loads_list, klass);
9992 TlsSetValue (load_type_info_tls_id, loads_list);
9995 while ((field = mono_class_get_fields (klass, &iter))) {
9996 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
9998 if (mono_field_is_deleted (field))
10003 layout = klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK;
10005 /* The mempool is protected by the loader lock */
10006 info = mono_mempool_alloc0 (klass->image->mempool, sizeof (MonoMarshalType) + sizeof (MonoMarshalField) * count);
10007 info->num_fields = count;
10009 /* Try to find a size for this type in metadata */
10010 mono_metadata_packing_from_typedef (klass->image, klass->type_token, NULL, &native_size);
10012 if (klass->parent) {
10013 int parent_size = mono_class_native_size (klass->parent, NULL);
10015 /* Add parent size to real size */
10016 native_size += parent_size;
10017 info->native_size = parent_size;
10022 while ((field = mono_class_get_fields (klass, &iter))) {
10026 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
10029 if (mono_field_is_deleted (field))
10031 if (field->type->attrs & FIELD_ATTRIBUTE_HAS_FIELD_MARSHAL)
10032 mono_metadata_field_info (klass->image, mono_metadata_token_index (mono_class_get_field_token (field)) - 1,
10033 NULL, NULL, &info->fields [j].mspec);
10035 info->fields [j].field = field;
10037 if ((mono_class_num_fields (klass) == 1) && (klass->instance_size == sizeof (MonoObject)) &&
10038 (strcmp (field->name, "$PRIVATE$") == 0)) {
10039 /* This field is a hack inserted by MCS to empty structures */
10044 case TYPE_ATTRIBUTE_AUTO_LAYOUT:
10045 case TYPE_ATTRIBUTE_SEQUENTIAL_LAYOUT:
10046 size = mono_marshal_type_size (field->type, info->fields [j].mspec,
10047 &align, TRUE, klass->unicode);
10048 align = klass->packing_size ? MIN (klass->packing_size, align): align;
10049 min_align = MAX (align, min_align);
10050 info->fields [j].offset = info->native_size;
10051 info->fields [j].offset += align - 1;
10052 info->fields [j].offset &= ~(align - 1);
10053 info->native_size = info->fields [j].offset + size;
10055 case TYPE_ATTRIBUTE_EXPLICIT_LAYOUT:
10056 size = mono_marshal_type_size (field->type, info->fields [j].mspec,
10057 &align, TRUE, klass->unicode);
10058 align = klass->packing_size ? MIN (klass->packing_size, align): align;
10059 min_align = MAX (align, min_align);
10060 info->fields [j].offset = field->offset - sizeof (MonoObject);
10061 info->native_size = MAX (info->native_size, info->fields [j].offset + size);
10067 if(layout != TYPE_ATTRIBUTE_AUTO_LAYOUT) {
10068 info->native_size = MAX (native_size, info->native_size);
10071 if (info->native_size & (min_align - 1)) {
10072 info->native_size += min_align - 1;
10073 info->native_size &= ~(min_align - 1);
10076 /* Update the class's blittable info, if the layouts don't match */
10077 if (info->native_size != mono_class_value_size (klass, NULL))
10078 klass->blittable = FALSE;
10080 /* If this is an array type, ensure that we have element info */
10081 if (klass->element_class && !mono_marshal_is_loading_type_info (klass->element_class)) {
10082 mono_marshal_load_type_info (klass->element_class);
10085 loads_list = TlsGetValue (load_type_info_tls_id);
10086 loads_list = g_slist_remove (loads_list, klass);
10087 TlsSetValue (load_type_info_tls_id, loads_list);
10089 klass->marshal_info = info;
10091 mono_loader_unlock ();
10093 return klass->marshal_info;
10097 * mono_class_native_size:
10100 * Returns: the native size of an object instance (when marshaled
10101 * to unmanaged code)
10104 mono_class_native_size (MonoClass *klass, guint32 *align)
10106 if (!klass->marshal_info) {
10107 if (mono_marshal_is_loading_type_info (klass))
10110 mono_marshal_load_type_info (klass);
10114 *align = klass->min_align;
10116 return klass->marshal_info->native_size;
10120 * mono_type_native_stack_size:
10121 * @t: the type to return the size it uses on the stack
10123 * Returns: the number of bytes required to hold an instance of this
10124 * type on the native stack
10127 mono_type_native_stack_size (MonoType *t, guint32 *align)
10131 g_assert (t != NULL);
10142 case MONO_TYPE_BOOLEAN:
10143 case MONO_TYPE_CHAR:
10152 case MONO_TYPE_STRING:
10153 case MONO_TYPE_OBJECT:
10154 case MONO_TYPE_CLASS:
10155 case MONO_TYPE_SZARRAY:
10156 case MONO_TYPE_PTR:
10157 case MONO_TYPE_FNPTR:
10158 case MONO_TYPE_ARRAY:
10159 case MONO_TYPE_TYPEDBYREF:
10170 case MONO_TYPE_VALUETYPE: {
10173 if (t->data.klass->enumtype)
10174 return mono_type_native_stack_size (t->data.klass->enum_basetype, align);
10176 size = mono_class_native_size (t->data.klass, align);
10177 *align = *align + 3;
10187 g_error ("type 0x%02x unknown", t->type);
10192 /* __alignof__ returns the preferred alignment of values not the actual alignment used by
10193 the compiler so is wrong e.g. for Linux where doubles are aligned on a 4 byte boundary
10194 but __alignof__ returns 8 - using G_STRUCT_OFFSET works better */
10195 #define ALIGNMENT(type) G_STRUCT_OFFSET(struct { char c; type x; }, x)
10198 mono_marshal_type_size (MonoType *type, MonoMarshalSpec *mspec, guint32 *align,
10199 gboolean as_field, gboolean unicode)
10201 MonoMarshalNative native_type = mono_type_to_unmanaged (type, mspec, as_field, unicode, NULL);
10204 switch (native_type) {
10205 case MONO_NATIVE_BOOLEAN:
10208 case MONO_NATIVE_I1:
10209 case MONO_NATIVE_U1:
10212 case MONO_NATIVE_I2:
10213 case MONO_NATIVE_U2:
10214 case MONO_NATIVE_VARIANTBOOL:
10217 case MONO_NATIVE_I4:
10218 case MONO_NATIVE_U4:
10219 case MONO_NATIVE_ERROR:
10222 case MONO_NATIVE_I8:
10223 case MONO_NATIVE_U8:
10224 *align = ALIGNMENT(guint64);
10226 case MONO_NATIVE_R4:
10229 case MONO_NATIVE_R8:
10230 *align = ALIGNMENT(double);
10232 case MONO_NATIVE_INT:
10233 case MONO_NATIVE_UINT:
10234 case MONO_NATIVE_LPSTR:
10235 case MONO_NATIVE_LPWSTR:
10236 case MONO_NATIVE_LPTSTR:
10237 case MONO_NATIVE_BSTR:
10238 case MONO_NATIVE_ANSIBSTR:
10239 case MONO_NATIVE_TBSTR:
10240 case MONO_NATIVE_LPARRAY:
10241 case MONO_NATIVE_SAFEARRAY:
10242 case MONO_NATIVE_IUNKNOWN:
10243 case MONO_NATIVE_IDISPATCH:
10244 case MONO_NATIVE_INTERFACE:
10245 case MONO_NATIVE_ASANY:
10246 case MONO_NATIVE_FUNC:
10247 case MONO_NATIVE_LPSTRUCT:
10248 *align = ALIGNMENT(gpointer);
10249 return sizeof (gpointer);
10250 case MONO_NATIVE_STRUCT:
10251 klass = mono_class_from_mono_type (type);
10252 if (klass == mono_defaults.object_class &&
10253 (mspec && mspec->native == MONO_NATIVE_STRUCT)) {
10257 return mono_class_native_size (klass, align);
10258 case MONO_NATIVE_BYVALTSTR: {
10259 int esize = unicode ? 2: 1;
10262 return mspec->data.array_data.num_elem * esize;
10264 case MONO_NATIVE_BYVALARRAY: {
10265 // FIXME: Have to consider ArraySubType
10267 klass = mono_class_from_mono_type (type);
10268 if (klass->element_class == mono_defaults.char_class) {
10269 esize = unicode ? 2 : 1;
10272 esize = mono_class_native_size (klass->element_class, align);
10275 return mspec->data.array_data.num_elem * esize;
10277 case MONO_NATIVE_CUSTOM:
10278 g_assert_not_reached ();
10280 case MONO_NATIVE_CURRENCY:
10281 case MONO_NATIVE_VBBYREFSTR:
10283 g_error ("native type %02x not implemented", native_type);
10286 g_assert_not_reached ();
10291 mono_marshal_asany (MonoObject *o, MonoMarshalNative string_encoding, int param_attrs)
10299 t = &o->vtable->klass->byval_arg;
10303 case MONO_TYPE_PTR:
10306 case MONO_TYPE_BOOLEAN:
10309 case MONO_TYPE_CHAR:
10314 return mono_object_unbox (o);
10316 case MONO_TYPE_STRING:
10317 switch (string_encoding) {
10318 case MONO_NATIVE_LPWSTR:
10319 return mono_string_to_utf16 ((MonoString*)o);
10321 case MONO_NATIVE_LPSTR:
10322 return mono_string_to_lpstr ((MonoString*)o);
10325 g_warning ("marshaling conversion %d not implemented", string_encoding);
10326 g_assert_not_reached ();
10329 case MONO_TYPE_CLASS:
10330 case MONO_TYPE_VALUETYPE: {
10331 MonoMethod *method;
10334 MonoBoolean delete_old = FALSE;
10336 klass = t->data.klass;
10338 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT)
10341 if (klass->valuetype && (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
10342 klass->blittable || klass->enumtype))
10343 return mono_object_unbox (o);
10345 res = mono_marshal_alloc (mono_class_native_size (klass, NULL));
10347 if (!((param_attrs & PARAM_ATTRIBUTE_OUT) && !(param_attrs & PARAM_ATTRIBUTE_IN))) {
10348 method = mono_marshal_get_struct_to_ptr (o->vtable->klass);
10352 pa [2] = &delete_old;
10354 mono_runtime_invoke (method, NULL, pa, NULL);
10361 mono_raise_exception (mono_get_exception_argument ("", "No PInvoke conversion exists for value passed to Object-typed parameter."));
10367 mono_marshal_free_asany (MonoObject *o, gpointer ptr, MonoMarshalNative string_encoding, int param_attrs)
10375 t = &o->vtable->klass->byval_arg;
10377 case MONO_TYPE_STRING:
10378 switch (string_encoding) {
10379 case MONO_NATIVE_LPWSTR:
10380 case MONO_NATIVE_LPSTR:
10381 mono_marshal_free (ptr);
10384 g_warning ("marshaling conversion %d not implemented", string_encoding);
10385 g_assert_not_reached ();
10388 case MONO_TYPE_CLASS:
10389 case MONO_TYPE_VALUETYPE: {
10390 klass = t->data.klass;
10392 if (klass->valuetype && (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
10393 klass->blittable || klass->enumtype))
10396 if (param_attrs & PARAM_ATTRIBUTE_OUT) {
10397 MonoMethod *method = mono_marshal_get_ptr_to_struct (o->vtable->klass);
10403 mono_runtime_invoke (method, NULL, pa, NULL);
10406 if (!((param_attrs & PARAM_ATTRIBUTE_OUT) && !(param_attrs & PARAM_ATTRIBUTE_IN))) {
10407 mono_struct_delete_old (klass, ptr);
10410 mono_marshal_free (ptr);
10419 mono_marshal_get_generic_array_helper (MonoClass *class, MonoClass *iface, gchar *name, MonoMethod *method)
10421 MonoMethodSignature *sig, *csig;
10422 MonoMethodBuilder *mb;
10426 mb = mono_mb_new (class, name, MONO_WRAPPER_MANAGED_TO_MANAGED);
10427 mb->method->slot = -1;
10429 mb->method->flags = METHOD_ATTRIBUTE_PRIVATE | METHOD_ATTRIBUTE_VIRTUAL |
10430 METHOD_ATTRIBUTE_NEW_SLOT | METHOD_ATTRIBUTE_HIDE_BY_SIG | METHOD_ATTRIBUTE_FINAL;
10432 sig = mono_method_signature (method);
10433 csig = signature_dup (method->klass->image, sig);
10434 csig->generic_param_count = 0;
10436 mono_mb_emit_ldarg (mb, 0);
10437 for (i = 0; i < csig->param_count; i++)
10438 mono_mb_emit_ldarg (mb, i + 1);
10439 mono_mb_emit_managed_call (mb, method, NULL);
10440 mono_mb_emit_byte (mb, CEE_RET);
10442 res = mono_mb_create_method (mb, csig, csig->param_count + 16);