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 = {
86 * This mutex protects the various marshalling related caches in MonoImage
87 * and a few other data structures static to this file.
88 * Note that when this lock is held it is not possible to take other runtime
89 * locks like the loader lock.
91 #define mono_marshal_lock() EnterCriticalSection (&marshal_mutex)
92 #define mono_marshal_unlock() LeaveCriticalSection (&marshal_mutex)
93 static CRITICAL_SECTION marshal_mutex;
95 /* This mutex protects the various cominterop related caches in MonoImage */
96 #define mono_cominterop_lock() EnterCriticalSection (&cominterop_mutex)
97 #define mono_cominterop_unlock() LeaveCriticalSection (&cominterop_mutex)
98 static CRITICAL_SECTION cominterop_mutex;
100 /* Maps wrapper methods to the methods they wrap */
101 static GHashTable *wrapper_hash;
103 static guint32 last_error_tls_id;
105 static guint32 load_type_info_tls_id;
108 delegate_hash_table_add (MonoDelegate *d);
111 emit_struct_conv (MonoMethodBuilder *mb, MonoClass *klass, gboolean to_object);
114 mono_struct_delete_old (MonoClass *klass, char *ptr);
117 mono_marshal_string_to_utf16 (MonoString *s);
120 mono_string_to_lpstr (MonoString *string_obj);
123 mono_string_from_bstr (gpointer bstr);
126 mono_free_bstr (gpointer bstr);
129 mono_byvalarray_to_array (MonoArray *arr, gpointer native_arr, MonoClass *eltype, guint32 elnum);
132 mono_array_to_byvalarray (gpointer native_arr, MonoArray *arr, MonoClass *eltype, guint32 elnum);
135 mono_remoting_wrapper (MonoMethod *method, gpointer *params);
137 static MonoAsyncResult *
138 mono_delegate_begin_invoke (MonoDelegate *delegate, gpointer *params);
141 mono_delegate_end_invoke (MonoDelegate *delegate, gpointer *params);
144 mono_marshal_xdomain_copy_value (MonoObject *val);
147 mono_marshal_xdomain_copy_out_value (MonoObject *src, MonoObject *dst);
150 mono_marshal_set_domain_by_id (gint32 id, MonoBoolean push);
153 mono_marshal_check_domain_image (gint32 domain_id, MonoImage *image);
156 mono_upgrade_remote_class_wrapper (MonoReflectionType *rtype, MonoTransparentProxy *tproxy);
158 static MonoReflectionType *
159 type_from_handle (MonoType *handle);
162 mono_marshal_set_last_error_windows (int error);
165 mono_marshal_emit_native_wrapper (MonoImage *image, MonoMethodBuilder *mb, MonoMethodSignature *sig, MonoMethodPInvoke *piinfo, MonoMarshalSpec **mspecs, gpointer func);
167 static void init_safe_handle (void);
169 /* MonoMethod pointers to SafeHandle::DangerousAddRef and ::DangerousRelease */
170 static MonoMethod *sh_dangerous_add_ref;
171 static MonoMethod *sh_dangerous_release;
177 sh_dangerous_add_ref = mono_class_get_method_from_name (
178 mono_defaults.safehandle_class, "DangerousAddRef", 1);
179 sh_dangerous_release = mono_class_get_method_from_name (
180 mono_defaults.safehandle_class, "DangerousRelease", 0);
184 register_icall (gpointer func, const char *name, const char *sigstr, gboolean save)
186 MonoMethodSignature *sig = mono_create_icall_signature (sigstr);
188 mono_register_jit_icall (func, name, sig, save);
191 static MonoMethodSignature*
192 signature_dup (MonoImage *image, MonoMethodSignature *sig)
194 MonoMethodSignature *res;
197 sigsize = sizeof (MonoMethodSignature) + ((sig->param_count - MONO_ZERO_LEN_ARRAY) * sizeof (MonoType *));
199 res = mono_mempool_alloc (image->mempool, sigsize);
200 mono_loader_unlock ();
201 memcpy (res, sig, sigsize);
206 static MonoMethodSignature*
207 signature_no_pinvoke (MonoMethod *method)
209 MonoMethodSignature *sig = mono_method_signature (method);
211 sig = signature_dup (method->klass->image, sig);
212 sig->pinvoke = FALSE;
218 /* Begin COM Interop related stuff until seperate file */
221 /* STDCALL on windows, CDECL everywhere else to work with XPCOM and MainWin COM */
222 #ifdef PLATFORM_WIN32
223 #define STDCALL __stdcall
228 /* Upon creation of a CCW, only allocate a weak handle and set the
229 * reference count to 0. If the unmanaged client code decides to addref and
230 * hold onto the CCW, I then allocate a strong handle. Once the reference count
231 * goes back to 0, convert back to a weak handle.
236 GHashTable* vtable_hash;
239 /* This type is the actual pointer passed to unmanaged code
240 * to represent a COM interface.
248 static int STDCALL cominterop_ccw_addref (MonoCCWInterface* ccwe);
250 static int STDCALL cominterop_ccw_release (MonoCCWInterface* ccwe);
252 static int STDCALL cominterop_ccw_queryinterface (MonoCCWInterface* ccwe, guint8* riid, gpointer* ppv);
255 static int STDCALL cominterop_ccw_get_type_info_count (MonoCCWInterface* ccwe, guint32 *pctinfo);
257 static int STDCALL cominterop_ccw_get_type_info (MonoCCWInterface* ccwe, guint32 iTInfo, guint32 lcid, gpointer *ppTInfo);
259 static int STDCALL cominterop_ccw_get_ids_of_names (MonoCCWInterface* ccwe, gpointer riid,
260 gunichar2** rgszNames, guint32 cNames,
261 guint32 lcid, gint32 *rgDispId);
263 static int STDCALL cominterop_ccw_invoke (MonoCCWInterface* ccwe, guint32 dispIdMember,
264 gpointer riid, guint32 lcid,
265 guint16 wFlags, gpointer pDispParams,
266 gpointer pVarResult, gpointer pExcepInfo,
270 cominterop_get_managed_wrapper_adjusted (MonoMethod *method);
273 cominterop_get_ccw (MonoObject* object, MonoClass* itf);
276 cominterop_get_ccw_object (MonoCCWInterface* ccw_entry, gboolean verify);
279 * signature_cominterop:
281 * @sig: managed method signature
283 * Returns: the corresponding unmanaged method signature for a managed COM
286 static MonoMethodSignature*
287 signature_cominterop (MonoImage *image, MonoMethodSignature *sig)
289 MonoMethodSignature *res;
292 int param_count = sig->param_count + 1; // convert this arg into IntPtr arg
294 if (!MONO_TYPE_IS_VOID (sig->ret))
297 sigsize = sizeof (MonoMethodSignature) + ((param_count - MONO_ZERO_LEN_ARRAY) * sizeof (MonoType *));
299 res = mono_mempool_alloc (image->mempool, sigsize);
300 mono_loader_unlock ();
301 memcpy (res, sig, sigsize);
303 // now move args forward one
304 for (i = sig->param_count-1; i >= 0; i--)
305 res->params[i+1] = sig->params[i];
307 // first arg is interface pointer
308 res->params[0] = &mono_defaults.int_class->byval_arg;
310 // last arg is return type
311 if (!MONO_TYPE_IS_VOID (sig->ret)) {
312 res->params[param_count-1] = mono_metadata_type_dup_mp (image, sig->ret);
313 res->params[param_count-1]->byref = 1;
314 res->params[param_count-1]->attrs = PARAM_ATTRIBUTE_OUT;
318 res->pinvoke = FALSE;
324 res->param_count = param_count;
326 // return type is always int32 (HRESULT)
327 res->ret = &mono_defaults.int32_class->byval_arg;
329 // STDCALL on windows, CDECL everywhere else to work with XPCOM and MainWin COM
330 #ifdef PLATFORM_WIN32
331 res->call_convention = MONO_CALL_STDCALL;
333 res->call_convention = MONO_CALL_C;
340 * cominterop_get_function_pointer:
341 * @itf: a pointer to the COM interface
342 * @slot: the vtable slot of the method pointer to return
344 * Returns: the unmanaged vtable function pointer from the interface
347 cominterop_get_function_pointer (gpointer itf, int slot)
350 func = *((*(gpointer**)itf)+slot);
355 * cominterop_object_is_com_object:
356 * @obj: a pointer to the object
358 * Returns: a value indicating if the object is a
359 * Runtime Callable Wrapper (RCW) for a COM object
362 cominterop_object_is_rcw (MonoObject *obj)
364 MonoClass *klass = NULL;
365 MonoRealProxy* real_proxy = NULL;
368 klass = mono_object_class (obj);
369 if (klass != mono_defaults.transparent_proxy_class)
372 real_proxy = ((MonoTransparentProxy*)obj)->rp;
376 klass = mono_object_class (real_proxy);
377 return (klass && klass == mono_defaults.com_interop_proxy_class);
381 cominterop_get_com_slot_begin (MonoClass* klass)
383 static MonoClass *interface_type_attribute = NULL;
384 MonoCustomAttrInfo *cinfo = NULL;
385 MonoInterfaceTypeAttribute* itf_attr = NULL;
387 if (!interface_type_attribute)
388 interface_type_attribute = mono_class_from_name (mono_defaults.corlib, "System.Runtime.InteropServices", "InterfaceTypeAttribute");
389 cinfo = mono_custom_attrs_from_class (klass);
391 itf_attr = (MonoInterfaceTypeAttribute*)mono_custom_attrs_get_attr (cinfo, interface_type_attribute);
393 mono_custom_attrs_free (cinfo);
396 if (itf_attr && itf_attr->intType == 1)
397 return 3; /* 3 methods in IUnknown*/
399 return 7; /* 7 methods in IDispatch*/
403 * cominterop_get_com_slot_for_method:
406 * Returns: the method's slot in the COM interface vtable
409 cominterop_get_com_slot_for_method (MonoMethod* method)
411 guint32 slot = method->slot;
413 MonoClass *ic = NULL;
416 ifaces = mono_class_get_implemented_interfaces (method->klass);
419 for (i = 0; i < ifaces->len; ++i) {
420 ic = g_ptr_array_index (ifaces, i);
421 offset = method->klass->interface_offsets[ic->interface_id];
422 if (method->slot >= offset && method->slot < offset + ic->method.count) {
427 g_ptr_array_free (ifaces, TRUE);
434 g_assert (MONO_CLASS_IS_INTERFACE (ic));
436 return slot + cominterop_get_com_slot_begin (ic);
440 * cominterop_get_method_interface:
441 * @method: method being called
443 * Returns: the Type on which the method is defined on
445 static MonoReflectionType*
446 cominterop_get_method_interface (MonoMethod* method)
450 MonoClass *ic = NULL;
452 MonoReflectionType* rt = NULL;
454 ifaces = mono_class_get_implemented_interfaces (method->klass);
457 for (i = 0; i < ifaces->len; ++i) {
458 ic = g_ptr_array_index (ifaces, i);
459 offset = method->klass->interface_offsets[ic->interface_id];
460 if (method->slot >= offset && method->slot < offset + ic->method.count)
464 g_ptr_array_free (ifaces, TRUE);
471 g_assert (MONO_CLASS_IS_INTERFACE (ic));
473 t = mono_class_get_type (ic);
474 rt = mono_type_get_object (mono_domain_get(), t);
480 cominterop_get_hresult_for_exception (MonoException* exc)
487 mono_marshal_init (void)
489 static gboolean module_initialized = FALSE;
491 if (!module_initialized) {
492 module_initialized = TRUE;
493 InitializeCriticalSection (&marshal_mutex);
494 InitializeCriticalSection (&cominterop_mutex);
495 wrapper_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
496 last_error_tls_id = TlsAlloc ();
497 load_type_info_tls_id = TlsAlloc ();
499 register_icall (mono_marshal_string_to_utf16, "mono_marshal_string_to_utf16", "ptr obj", FALSE);
500 register_icall (mono_string_to_utf16, "mono_string_to_utf16", "ptr obj", FALSE);
501 register_icall (mono_string_from_utf16, "mono_string_from_utf16", "obj ptr", FALSE);
502 register_icall (mono_string_new_wrapper, "mono_string_new_wrapper", "obj ptr", FALSE);
503 register_icall (mono_string_to_utf8, "mono_string_to_utf8", "ptr obj", FALSE);
504 register_icall (mono_string_to_lpstr, "mono_string_to_lpstr", "ptr obj", FALSE);
505 register_icall (mono_string_to_bstr, "mono_string_to_bstr", "ptr obj", FALSE);
506 register_icall (mono_string_from_bstr, "mono_string_from_bstr", "obj ptr", FALSE);
507 register_icall (mono_free_bstr, "mono_free_bstr", "void ptr", FALSE);
508 register_icall (mono_string_to_ansibstr, "mono_string_to_ansibstr", "ptr object", FALSE);
509 register_icall (mono_string_builder_to_utf8, "mono_string_builder_to_utf8", "ptr object", FALSE);
510 register_icall (mono_string_builder_to_utf16, "mono_string_builder_to_utf16", "ptr object", FALSE);
511 register_icall (mono_array_to_savearray, "mono_array_to_savearray", "ptr object", FALSE);
512 register_icall (mono_array_to_lparray, "mono_array_to_lparray", "ptr object", FALSE);
513 register_icall (mono_byvalarray_to_array, "mono_byvalarray_to_array", "void object ptr ptr int32", FALSE);
514 register_icall (mono_array_to_byvalarray, "mono_array_to_byvalarray", "void ptr object ptr int32", FALSE);
515 register_icall (mono_delegate_to_ftnptr, "mono_delegate_to_ftnptr", "ptr object", FALSE);
516 register_icall (mono_ftnptr_to_delegate, "mono_ftnptr_to_delegate", "object ptr ptr", FALSE);
517 register_icall (mono_marshal_asany, "mono_marshal_asany", "ptr object int32 int32", FALSE);
518 register_icall (mono_marshal_free_asany, "mono_marshal_free_asany", "void object ptr int32 int32", FALSE);
519 register_icall (mono_marshal_alloc, "mono_marshal_alloc", "ptr int32", FALSE);
520 register_icall (mono_marshal_free, "mono_marshal_free", "void ptr", FALSE);
521 register_icall (mono_marshal_set_last_error, "mono_marshal_set_last_error", "void", FALSE);
522 register_icall (mono_marshal_set_last_error_windows, "mono_marshal_set_last_error_windows", "void int32", FALSE);
523 register_icall (mono_string_utf8_to_builder, "mono_string_utf8_to_builder", "void ptr ptr", FALSE);
524 register_icall (mono_string_utf16_to_builder, "mono_string_utf16_to_builder", "void ptr ptr", FALSE);
525 register_icall (mono_marshal_free_array, "mono_marshal_free_array", "void ptr int32", FALSE);
526 register_icall (mono_string_to_byvalstr, "mono_string_to_byvalstr", "void ptr ptr int32", FALSE);
527 register_icall (mono_string_to_byvalwstr, "mono_string_to_byvalwstr", "void ptr ptr int32", FALSE);
528 register_icall (g_free, "g_free", "void ptr", FALSE);
529 register_icall (mono_object_isinst, "mono_object_isinst", "object object ptr", FALSE);
530 register_icall (mono_struct_delete_old, "mono_struct_delete_old", "void ptr ptr", FALSE);
531 register_icall (mono_remoting_wrapper, "mono_remoting_wrapper", "object ptr ptr", FALSE);
532 register_icall (mono_delegate_begin_invoke, "mono_delegate_begin_invoke", "object object ptr", FALSE);
533 register_icall (mono_delegate_end_invoke, "mono_delegate_end_invoke", "object object ptr", FALSE);
534 register_icall (mono_marshal_xdomain_copy_value, "mono_marshal_xdomain_copy_value", "object object", FALSE);
535 register_icall (mono_marshal_xdomain_copy_out_value, "mono_marshal_xdomain_copy_out_value", "void object object", FALSE);
536 register_icall (mono_marshal_set_domain_by_id, "mono_marshal_set_domain_by_id", "int32 int32 int32", FALSE);
537 register_icall (mono_marshal_check_domain_image, "mono_marshal_check_domain_image", "int32 int32 ptr", FALSE);
538 register_icall (mono_compile_method, "mono_compile_method", "ptr ptr", FALSE);
539 register_icall (mono_context_get, "mono_context_get", "object", FALSE);
540 register_icall (mono_context_set, "mono_context_set", "void object", FALSE);
541 register_icall (mono_upgrade_remote_class_wrapper, "mono_upgrade_remote_class_wrapper", "void object object", FALSE);
542 register_icall (type_from_handle, "type_from_handle", "object ptr", FALSE);
543 register_icall (mono_gc_wbarrier_generic_store, "wb_generic", "void ptr object", FALSE);
544 register_icall (cominterop_get_method_interface, "cominterop_get_method_interface", "object ptr", FALSE);
545 register_icall (cominterop_get_function_pointer, "cominterop_get_function_pointer", "ptr ptr int32", FALSE);
546 register_icall (cominterop_object_is_rcw, "cominterop_object_is_rcw", "int32 object", FALSE);
547 register_icall (cominterop_get_ccw, "cominterop_get_ccw", "ptr object ptr", FALSE);
548 register_icall (cominterop_get_ccw_object, "cominterop_get_ccw_object", "object ptr int32", FALSE);
549 register_icall (cominterop_get_hresult_for_exception, "cominterop_get_hresult_for_exception", "int32 object", FALSE);
554 mono_marshal_cleanup (void)
556 g_hash_table_destroy (wrapper_hash);
557 TlsFree (load_type_info_tls_id);
558 TlsFree (last_error_tls_id);
559 DeleteCriticalSection (&marshal_mutex);
560 DeleteCriticalSection (&cominterop_mutex);
563 MonoClass *byte_array_class;
564 static MonoMethod *method_rs_serialize, *method_rs_deserialize, *method_exc_fixexc, *method_rs_appdomain_target;
565 static MonoMethod *method_set_context, *method_get_context;
566 static MonoMethod *method_set_call_context, *method_needs_context_sink, *method_rs_serialize_exc;
569 mono_remoting_marshal_init (void)
573 static gboolean module_initialized = FALSE;
575 if (!module_initialized) {
576 klass = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting", "RemotingServices");
577 method_rs_serialize = mono_class_get_method_from_name (klass, "SerializeCallData", -1);
578 method_rs_deserialize = mono_class_get_method_from_name (klass, "DeserializeCallData", -1);
579 method_rs_serialize_exc = mono_class_get_method_from_name (klass, "SerializeExceptionData", -1);
581 klass = mono_defaults.real_proxy_class;
582 method_rs_appdomain_target = mono_class_get_method_from_name (klass, "GetAppDomainTarget", -1);
584 klass = mono_defaults.exception_class;
585 method_exc_fixexc = mono_class_get_method_from_name (klass, "FixRemotingException", -1);
587 klass = mono_defaults.thread_class;
588 method_get_context = mono_class_get_method_from_name (klass, "get_CurrentContext", -1);
590 klass = mono_defaults.appdomain_class;
591 method_set_context = mono_class_get_method_from_name (klass, "InternalSetContext", -1);
592 byte_array_class = mono_array_class_get (mono_defaults.byte_class, 1);
594 klass = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting.Messaging", "CallContext");
595 method_set_call_context = mono_class_get_method_from_name (klass, "SetCurrentCallContext", -1);
597 klass = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting.Contexts", "Context");
598 method_needs_context_sink = mono_class_get_method_from_name (klass, "get_NeedsContextSink", -1);
600 module_initialized = TRUE;
605 mono_delegate_to_ftnptr (MonoDelegate *delegate)
607 MonoMethod *method, *wrapper;
613 if (delegate->delegate_trampoline)
614 return delegate->delegate_trampoline;
616 klass = ((MonoObject *)delegate)->vtable->klass;
617 g_assert (klass->delegate);
619 method = delegate->method_info->method;
621 wrapper = mono_marshal_get_managed_wrapper (method, klass, delegate->target);
623 delegate->delegate_trampoline = mono_compile_method (wrapper);
625 // Add the delegate to the delegate hash table
626 delegate_hash_table_add (delegate);
628 /* when the object is collected, collect the dynamic method, too */
629 mono_object_register_finalizer ((MonoObject*)delegate);
631 return delegate->delegate_trampoline;
635 * this hash table maps from a delegate trampoline object to a weak reference
636 * of the delegate. As an optimizations with a non-moving GC we store the
637 * object pointer itself, otherwise we use a GC handle.
639 static GHashTable *delegate_hash_table;
642 delegate_hash_table_new (void) {
643 return g_hash_table_new (NULL, NULL);
647 delegate_hash_table_remove (MonoDelegate *d)
649 #ifdef HAVE_MOVING_COLLECTOR
652 mono_marshal_lock ();
653 if (delegate_hash_table == NULL)
654 delegate_hash_table = delegate_hash_table_new ();
655 #ifdef HAVE_MOVING_COLLECTOR
656 gchandle = GPOINTER_TO_UINT (g_hash_table_lookup (delegate_hash_table, d->delegate_trampoline));
658 g_hash_table_remove (delegate_hash_table, d->delegate_trampoline);
659 mono_marshal_unlock ();
660 #ifdef HAVE_MOVING_COLLECTOR
661 mono_gchandle_free (gchandle);
666 delegate_hash_table_add (MonoDelegate *d)
668 #ifdef HAVE_MOVING_COLLECTOR
669 guint32 gchandle = mono_gchandle_new_weakref ((MonoObject*)d, FALSE);
671 mono_marshal_lock ();
672 if (delegate_hash_table == NULL)
673 delegate_hash_table = delegate_hash_table_new ();
674 #ifdef HAVE_MOVING_COLLECTOR
675 g_hash_table_insert (delegate_hash_table, d->delegate_trampoline, GUINT_TO_POINTER (gchandle));
677 g_hash_table_insert (delegate_hash_table, d->delegate_trampoline, d);
679 mono_marshal_unlock ();
683 mono_ftnptr_to_delegate (MonoClass *klass, gpointer ftn)
685 #ifdef HAVE_MOVING_COLLECTOR
690 mono_marshal_lock ();
691 if (delegate_hash_table == NULL)
692 delegate_hash_table = delegate_hash_table_new ();
694 #ifdef HAVE_MOVING_COLLECTOR
695 gchandle = GPOINTER_TO_UINT (g_hash_table_lookup (delegate_hash_table, ftn));
696 mono_marshal_unlock ();
698 d = (MonoDelegate*)mono_gchandle_get_target (gchandle);
702 d = g_hash_table_lookup (delegate_hash_table, ftn);
703 mono_marshal_unlock ();
706 /* This is a native function, so construct a delegate for it */
707 static MonoClass *UnmanagedFunctionPointerAttribute;
708 MonoMethodSignature *sig;
710 MonoMarshalSpec **mspecs;
711 MonoCustomAttrInfo *cinfo;
712 MonoReflectionUnmanagedFunctionPointerAttribute *attr;
713 MonoMethod *invoke = mono_get_delegate_invoke (klass);
714 MonoMethodPInvoke piinfo;
717 memset (&piinfo, 0, sizeof (piinfo));
718 if (!UnmanagedFunctionPointerAttribute)
719 UnmanagedFunctionPointerAttribute = mono_class_from_name (mono_defaults.corlib, "System.Runtime.InteropServices", "UnmanagedFunctionPointerAttribute");
721 /* The attribute is only available in Net 2.0 */
722 if (UnmanagedFunctionPointerAttribute) {
724 * The pinvoke attributes are stored in a real custom attribute so we have to
727 cinfo = mono_custom_attrs_from_class (klass);
729 attr = (MonoReflectionUnmanagedFunctionPointerAttribute*)mono_custom_attrs_get_attr (cinfo, UnmanagedFunctionPointerAttribute);
731 piinfo.piflags = (attr->call_conv << 8) | (attr->charset ? (attr->charset - 1) * 2 : 1) | attr->set_last_error;
734 mono_custom_attrs_free (cinfo);
738 mspecs = g_new0 (MonoMarshalSpec*, mono_method_signature (invoke)->param_count + 1);
739 mono_method_get_marshal_info (invoke, mspecs);
740 /* Freed below so don't alloc from mempool */
741 sig = mono_metadata_signature_dup (mono_method_signature (invoke));
744 wrapper = mono_marshal_get_native_func_wrapper (klass->image, sig, &piinfo, mspecs, ftn);
746 for (i = mono_method_signature (invoke)->param_count; i >= 0; i--)
748 mono_metadata_free_marshal_spec (mspecs [i]);
752 d = (MonoDelegate*)mono_object_new (mono_domain_get (), klass);
753 mono_delegate_ctor ((MonoObject*)d, NULL, mono_compile_method (wrapper));
756 if (d->object.vtable->domain != mono_domain_get ())
757 mono_raise_exception (mono_get_exception_not_supported ("Delegates cannot be marshalled from native code into a domain other than their home domain"));
763 mono_delegate_free_ftnptr (MonoDelegate *delegate)
768 delegate_hash_table_remove (delegate);
770 ptr = (gpointer)InterlockedExchangePointer (&delegate->delegate_trampoline, NULL);
772 if (!delegate->target) {
773 /* The wrapper method is shared between delegates -> no need to free it */
778 ji = mono_jit_info_table_find (mono_domain_get (), mono_get_addr_from_ftnptr (ptr));
781 mono_runtime_free_method (mono_object_domain (delegate), ji->method);
786 mono_array_to_savearray (MonoArray *array)
791 g_assert_not_reached ();
796 mono_array_to_lparray (MonoArray *array)
801 /* fixme: maybe we need to make a copy */
802 return array->vector;
806 mono_byvalarray_to_array (MonoArray *arr, gpointer native_arr, MonoClass *elclass, guint32 elnum)
808 g_assert (arr->obj.vtable->klass->element_class == mono_defaults.char_class);
810 if (elclass == mono_defaults.byte_class) {
811 GError *error = NULL;
815 ut = g_utf8_to_utf16 (native_arr, elnum, NULL, &items_written, &error);
818 memcpy (mono_array_addr (arr, guint16, 0), ut, items_written * sizeof (guint16));
822 g_error_free (error);
825 g_assert_not_reached ();
829 mono_array_to_byvalarray (gpointer native_arr, MonoArray *arr, MonoClass *elclass, guint32 elnum)
831 g_assert (arr->obj.vtable->klass->element_class == mono_defaults.char_class);
833 if (elclass == mono_defaults.byte_class) {
835 GError *error = NULL;
837 as = g_utf16_to_utf8 (mono_array_addr (arr, gunichar2, 0), mono_array_length (arr), NULL, NULL, &error);
839 MonoException *exc = mono_get_exception_argument ("string", error->message);
840 g_error_free (error);
841 mono_raise_exception (exc);
844 memcpy (native_arr, as, MIN (strlen (as), elnum));
847 g_assert_not_reached ();
852 mono_string_utf8_to_builder (MonoStringBuilder *sb, char *text)
854 GError *error = NULL;
864 ut = g_utf8_to_utf16 (text, l, NULL, &items_written, &error);
866 if (items_written > mono_stringbuilder_capacity (sb))
867 items_written = mono_stringbuilder_capacity (sb);
870 if (! sb->str || sb->str == sb->cached_str) {
871 MONO_OBJECT_SETREF (sb, str, mono_string_new_size (mono_domain_get (), items_written));
872 sb->cached_str = NULL;
875 memcpy (mono_string_chars (sb->str), ut, items_written * 2);
876 sb->length = items_written;
878 g_error_free (error);
884 * FIXME: This routine does not seem to do what it seems to do
885 * the @text is never copied into the string builder
888 mono_string_utf16_to_builder (MonoStringBuilder *sb, gunichar2 *text)
895 g_assert (mono_string_chars (sb->str) == text);
897 for (len = 0; text [len] != 0; ++len)
904 * mono_string_builder_to_utf8:
905 * @sb: the string builder
907 * Converts to utf8 the contents of the MonoStringBuilder.
909 * Returns: a utf8 string with the contents of the StringBuilder.
911 * The return value must be released with g_free.
914 mono_string_builder_to_utf8 (MonoStringBuilder *sb)
916 GError *error = NULL;
923 if ((sb->str == sb->cached_str) && (sb->str->length == 0)) {
925 * The sb could have been allocated with the default capacity and be empty.
926 * we need to alloc a buffer of the default capacity in this case.
928 MONO_OBJECT_SETREF (sb, str, mono_string_new_size (mono_domain_get (), 16));
929 sb->cached_str = NULL;
932 res = mono_marshal_alloc (mono_stringbuilder_capacity (sb) + 1);
934 tmp = g_utf16_to_utf8 (mono_string_chars (sb->str), sb->length, NULL, res, &error);
936 g_error_free (error);
937 mono_marshal_free (res);
938 mono_raise_exception (mono_get_exception_execution_engine ("Failed to convert StringBuilder from utf16 to utf8"));
940 memcpy (res, tmp, sb->length + 1);
948 * mono_string_builder_to_utf16:
949 * @sb: the string builder
951 * Converts to utf16 the contents of the MonoStringBuilder.
953 * Returns: a utf16 string with the contents of the StringBuilder.
955 * The return value must not be freed.
958 mono_string_builder_to_utf16 (MonoStringBuilder *sb)
966 * The stringbuilder might not have ownership of this string. If this is
967 * the case, we must duplicate the string, so that we don't munge immutable
970 if (sb->str == sb->cached_str) {
972 * The sb could have been allocated with the default capacity and be empty.
973 * we need to alloc a buffer of the default capacity in this case.
975 if (sb->str->length == 0)
976 MONO_OBJECT_SETREF (sb, str, mono_string_new_size (mono_domain_get (), 16));
978 MONO_OBJECT_SETREF (sb, str, mono_string_new_utf16 (mono_domain_get (), mono_string_chars (sb->str), mono_stringbuilder_capacity (sb)));
979 sb->cached_str = NULL;
982 return mono_string_chars (sb->str);
986 mono_string_to_lpstr (MonoString *s)
988 #ifdef PLATFORM_WIN32
991 GError *error = NULL;
997 as = CoTaskMemAlloc (1);
1002 tmp = g_utf16_to_utf8 (mono_string_chars (s), s->length, NULL, &len, &error);
1004 MonoException *exc = mono_get_exception_argument ("string", error->message);
1005 g_error_free (error);
1006 mono_raise_exception(exc);
1009 as = CoTaskMemAlloc (len + 1);
1010 memcpy (as, tmp, len + 1);
1015 return mono_string_to_utf8 (s);
1020 mono_string_to_ansibstr (MonoString *string_obj)
1022 g_error ("UnmanagedMarshal.BStr is not implemented.");
1027 mono_string_to_bstr (MonoString *string_obj)
1029 #ifdef PLATFORM_WIN32
1032 return SysAllocStringLen (mono_string_chars (string_obj), mono_string_length (string_obj));
1034 int slen = mono_string_length (string_obj);
1035 char *ret = g_malloc (slen * 2 + 4 + 2);
1038 memcpy (ret + 4, mono_string_chars (string_obj), slen * 2);
1039 * ((guint32 *) ret) = slen * 2;
1040 ret [4 + slen * 2] = 0;
1041 ret [5 + slen * 2] = 0;
1048 mono_string_from_bstr (gpointer bstr)
1050 #ifdef PLATFORM_WIN32
1053 return mono_string_new_utf16 (mono_domain_get (), bstr, SysStringLen (bstr));
1055 return mono_string_new_utf16 (mono_domain_get (), bstr, *(guint32 *)((char *)bstr - 4));
1060 mono_free_bstr (gpointer bstr)
1062 #ifdef PLATFORM_WIN32
1063 SysFreeString ((BSTR)bstr);
1065 g_free (((char *)bstr) - 4);
1070 * mono_string_to_byvalstr:
1071 * @dst: Where to store the null-terminated utf8 decoded string.
1072 * @src: the MonoString to copy.
1073 * @size: the maximum number of bytes to copy.
1075 * Copies the MonoString pointed to by @src as a utf8 string
1076 * into @dst, it copies at most @size bytes into the destination.
1079 mono_string_to_byvalstr (gpointer dst, MonoString *src, int size)
1084 g_assert (dst != NULL);
1085 g_assert (size > 0);
1087 memset (dst, 0, size);
1091 s = mono_string_to_utf8 (src);
1092 len = MIN (size, strlen (s));
1095 memcpy (dst, s, len);
1100 * mono_string_to_byvalwstr:
1101 * @dst: Where to store the null-terminated utf16 decoded string.
1102 * @src: the MonoString to copy.
1103 * @size: the maximum number of bytes to copy.
1105 * Copies the MonoString pointed to by @src as a utf16 string into
1106 * @dst, it copies at most @size bytes into the destination (including
1107 * a terminating 16-bit zero terminator).
1110 mono_string_to_byvalwstr (gpointer dst, MonoString *src, int size)
1114 g_assert (dst != NULL);
1115 g_assert (size > 1);
1118 memset (dst, 0, size * 2);
1122 len = MIN (size, (mono_string_length (src)));
1123 memcpy (dst, mono_string_chars (src), size * 2);
1124 if (size <= mono_string_length (src))
1126 *((gunichar2 *) dst + len) = 0;
1130 mono_mb_free (MonoMethodBuilder *mb)
1132 g_list_free (mb->locals_list);
1134 g_free (mb->method);
1142 mono_mb_new (MonoClass *klass, const char *name, MonoWrapperType type)
1144 MonoMethodBuilder *mb;
1147 g_assert (klass != NULL);
1148 g_assert (name != NULL);
1150 mb = g_new0 (MonoMethodBuilder, 1);
1152 mb->method = m = (MonoMethod *)g_new0 (MonoMethodWrapper, 1);
1156 m->wrapper_type = type;
1158 mb->name = g_strdup (name);
1160 mb->code = g_malloc (mb->code_size);
1166 mono_mb_add_local (MonoMethodBuilder *mb, MonoType *type)
1170 g_assert (mb != NULL);
1171 g_assert (type != NULL);
1174 mb->locals_list = g_list_append (mb->locals_list, type);
1181 * mono_mb_create_method:
1183 * Create a MonoMethod from this method builder.
1184 * Returns: the newly created method.
1186 * LOCKING: Takes the loader lock.
1189 mono_mb_create_method (MonoMethodBuilder *mb, MonoMethodSignature *signature, int max_stack)
1191 MonoMethodHeader *header;
1192 MonoMethodWrapper *mw;
1198 g_assert (mb != NULL);
1200 mp = mb->method->klass->image->mempool;
1202 mono_loader_lock ();
1204 method = mb->method;
1206 method->name = mb->name;
1207 method->dynamic = TRUE;
1209 ((MonoMethodNormal *)method)->header = header = (MonoMethodHeader *)
1210 g_malloc0 (sizeof (MonoMethodHeader) + mb->locals * sizeof (MonoType *));
1212 header->code = mb->code;
1214 /* Realloc the method info into a mempool */
1216 method = mono_mempool_alloc (mp, sizeof (MonoMethodWrapper));
1217 memcpy (method, mb->method, sizeof (MonoMethodWrapper));
1219 method->name = mono_mempool_strdup (mp, mb->name);
1221 ((MonoMethodNormal *)method)->header = header = (MonoMethodHeader *)
1222 mono_mempool_alloc0 (mp, sizeof (MonoMethodHeader) + mb->locals * sizeof (MonoType *));
1224 header->code = mono_mempool_alloc (mp, mb->pos);
1225 memcpy ((char*)header->code, mb->code, mb->pos);
1231 header->max_stack = max_stack;
1233 for (i = 0, l = mb->locals_list; l; l = l->next, i++) {
1234 header->locals [i] = (MonoType *)l->data;
1237 method->signature = signature;
1239 header->code_size = mb->pos;
1240 header->num_locals = mb->locals;
1241 header->init_locals = TRUE;
1243 mw = (MonoMethodWrapper*) mb->method;
1244 i = g_list_length (mw->method_data);
1248 l = g_list_reverse (mw->method_data);
1249 if (method->dynamic)
1250 data = g_malloc (sizeof (gpointer) * (i + 1));
1252 data = mono_mempool_alloc (mp, sizeof (gpointer) * (i + 1));
1253 /* store the size in the first element */
1254 data [0] = GUINT_TO_POINTER (i);
1256 for (tmp = l; tmp; tmp = tmp->next) {
1257 data [i++] = tmp->data;
1261 ((MonoMethodWrapper*)method)->method_data = data;
1264 static int total_code = 0;
1265 static int total_alloc = 0;
1266 total_code += mb->pos;
1267 total_alloc += mb->code_size;
1268 g_print ("code size: %d of %d (allocated: %d)\n", mb->pos, total_code, total_alloc);
1271 #ifdef DEBUG_RUNTIME_CODE
1272 printf ("RUNTIME CODE FOR %s\n", mono_method_full_name (method, TRUE));
1273 printf ("%s\n", mono_disasm_code (&marshal_dh, method, mb->code, mb->code + mb->pos));
1276 mono_loader_unlock ();
1281 mono_mb_add_data (MonoMethodBuilder *mb, gpointer data)
1283 MonoMethodWrapper *mw;
1285 g_assert (mb != NULL);
1287 mw = (MonoMethodWrapper *)mb->method;
1289 /* one O(n) is enough */
1290 mw->method_data = g_list_prepend (mw->method_data, data);
1292 return g_list_length (mw->method_data);
1296 mono_mb_patch_addr (MonoMethodBuilder *mb, int pos, int value)
1298 mb->code [pos] = value & 0xff;
1299 mb->code [pos + 1] = (value >> 8) & 0xff;
1300 mb->code [pos + 2] = (value >> 16) & 0xff;
1301 mb->code [pos + 3] = (value >> 24) & 0xff;
1305 mono_mb_patch_addr_s (MonoMethodBuilder *mb, int pos, gint8 value)
1307 *((gint8 *)(&mb->code [pos])) = value;
1311 mono_mb_emit_byte (MonoMethodBuilder *mb, guint8 op)
1313 if (mb->pos >= mb->code_size) {
1314 mb->code_size += mb->code_size >> 1;
1315 mb->code = g_realloc (mb->code, mb->code_size);
1318 mb->code [mb->pos++] = op;
1322 mono_mb_emit_ldflda (MonoMethodBuilder *mb, gint32 offset)
1324 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1325 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
1328 mono_mb_emit_icon (mb, offset);
1329 mono_mb_emit_byte (mb, CEE_ADD);
1334 mono_mb_emit_proxy_check (MonoMethodBuilder *mb, int branch_code)
1337 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
1338 mono_mb_emit_byte (mb, CEE_LDIND_I);
1339 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoVTable, klass));
1340 mono_mb_emit_byte (mb, CEE_ADD);
1341 mono_mb_emit_byte (mb, CEE_LDIND_I);
1342 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1343 mono_mb_emit_byte (mb, CEE_MONO_CLASSCONST);
1344 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_defaults.transparent_proxy_class));
1345 mono_mb_emit_byte (mb, branch_code);
1347 mono_mb_emit_i4 (mb, 0);
1352 mono_mb_emit_xdomain_check (MonoMethodBuilder *mb, int branch_code)
1355 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
1356 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1357 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoRealProxy, target_domain_id));
1358 mono_mb_emit_byte (mb, CEE_LDIND_I4);
1359 mono_mb_emit_icon (mb, -1);
1360 mono_mb_emit_byte (mb, branch_code);
1362 mono_mb_emit_i4 (mb, 0);
1367 mono_mb_emit_i4 (MonoMethodBuilder *mb, gint32 data)
1369 if ((mb->pos + 4) >= mb->code_size) {
1370 mb->code_size += mb->code_size >> 1;
1371 mb->code = g_realloc (mb->code, mb->code_size);
1374 mono_mb_patch_addr (mb, mb->pos, data);
1379 mono_mb_emit_i2 (MonoMethodBuilder *mb, gint16 data)
1381 if ((mb->pos + 2) >= mb->code_size) {
1382 mb->code_size += mb->code_size >> 1;
1383 mb->code = g_realloc (mb->code, mb->code_size);
1386 mb->code [mb->pos] = data & 0xff;
1387 mb->code [mb->pos + 1] = (data >> 8) & 0xff;
1392 mono_mb_emit_op (MonoMethodBuilder *mb, guint8 op, gpointer data)
1394 mono_mb_emit_byte (mb, op);
1395 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, data));
1399 mono_mb_emit_ldstr (MonoMethodBuilder *mb, char *str)
1401 mono_mb_emit_op (mb, CEE_LDSTR, str);
1405 mono_mb_emit_ldarg (MonoMethodBuilder *mb, guint argnum)
1408 mono_mb_emit_byte (mb, CEE_LDARG_0 + argnum);
1409 } else if (argnum < 256) {
1410 mono_mb_emit_byte (mb, CEE_LDARG_S);
1411 mono_mb_emit_byte (mb, argnum);
1413 mono_mb_emit_byte (mb, CEE_PREFIX1);
1414 mono_mb_emit_byte (mb, CEE_LDARG);
1415 mono_mb_emit_i2 (mb, argnum);
1420 mono_mb_emit_ldarg_addr (MonoMethodBuilder *mb, guint argnum)
1423 mono_mb_emit_byte (mb, CEE_LDARGA_S);
1424 mono_mb_emit_byte (mb, argnum);
1426 mono_mb_emit_byte (mb, CEE_PREFIX1);
1427 mono_mb_emit_byte (mb, CEE_LDARGA);
1428 mono_mb_emit_i2 (mb, argnum);
1433 mono_mb_emit_ldloc_addr (MonoMethodBuilder *mb, guint locnum)
1436 mono_mb_emit_byte (mb, CEE_LDLOCA_S);
1437 mono_mb_emit_byte (mb, locnum);
1439 mono_mb_emit_byte (mb, CEE_PREFIX1);
1440 mono_mb_emit_byte (mb, CEE_LDLOCA);
1441 mono_mb_emit_i2 (mb, locnum);
1446 mono_mb_emit_ldloc (MonoMethodBuilder *mb, guint num)
1449 mono_mb_emit_byte (mb, CEE_LDLOC_0 + num);
1450 } else if (num < 256) {
1451 mono_mb_emit_byte (mb, CEE_LDLOC_S);
1452 mono_mb_emit_byte (mb, num);
1454 mono_mb_emit_byte (mb, CEE_PREFIX1);
1455 mono_mb_emit_byte (mb, CEE_LDLOC);
1456 mono_mb_emit_i2 (mb, num);
1461 mono_mb_emit_stloc (MonoMethodBuilder *mb, guint num)
1464 mono_mb_emit_byte (mb, CEE_STLOC_0 + num);
1465 } else if (num < 256) {
1466 mono_mb_emit_byte (mb, CEE_STLOC_S);
1467 mono_mb_emit_byte (mb, num);
1469 mono_mb_emit_byte (mb, CEE_PREFIX1);
1470 mono_mb_emit_byte (mb, CEE_STLOC);
1471 mono_mb_emit_i2 (mb, num);
1476 mono_mb_emit_icon (MonoMethodBuilder *mb, gint32 value)
1478 if (value >= -1 && value < 8) {
1479 mono_mb_emit_byte (mb, CEE_LDC_I4_0 + value);
1480 } else if (value >= -128 && value <= 127) {
1481 mono_mb_emit_byte (mb, CEE_LDC_I4_S);
1482 mono_mb_emit_byte (mb, value);
1484 mono_mb_emit_byte (mb, CEE_LDC_I4);
1485 mono_mb_emit_i4 (mb, value);
1490 mono_mb_emit_branch (MonoMethodBuilder *mb, guint8 op)
1493 mono_mb_emit_byte (mb, op);
1495 mono_mb_emit_i4 (mb, 0);
1500 mono_mb_emit_short_branch (MonoMethodBuilder *mb, guint8 op)
1503 mono_mb_emit_byte (mb, op);
1505 mono_mb_emit_byte (mb, 0);
1511 mono_mb_patch_branch (MonoMethodBuilder *mb, guint32 pos)
1513 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
1517 mono_mb_patch_short_branch (MonoMethodBuilder *mb, guint32 pos)
1519 mono_mb_patch_addr_s (mb, pos, mb->pos - (pos + 1));
1523 mono_mb_emit_ptr (MonoMethodBuilder *mb, gpointer ptr)
1525 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1526 mono_mb_emit_op (mb, CEE_MONO_LDPTR, ptr);
1530 mono_mb_emit_calli (MonoMethodBuilder *mb, MonoMethodSignature *sig)
1532 mono_mb_emit_op (mb, CEE_CALLI, sig);
1536 mono_mb_emit_managed_call (MonoMethodBuilder *mb, MonoMethod *method, MonoMethodSignature *opt_sig)
1538 mono_mb_emit_op (mb, CEE_CALL, method);
1542 mono_mb_emit_native_call (MonoMethodBuilder *mb, MonoMethodSignature *sig, gpointer func)
1544 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1545 mono_mb_emit_byte (mb, CEE_MONO_SAVE_LMF);
1546 mono_mb_emit_ptr (mb, func);
1547 mono_mb_emit_calli (mb, sig);
1548 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1549 mono_mb_emit_byte (mb, CEE_MONO_RESTORE_LMF);
1553 mono_mb_emit_icall (MonoMethodBuilder *mb, gpointer func)
1555 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1556 mono_mb_emit_op (mb, CEE_MONO_ICALL, func);
1560 mono_mb_emit_cominterop_call (MonoMethodBuilder *mb, MonoMethodSignature *sig, MonoMethod* method)
1562 // get function pointer from 1st arg, the COM interface pointer
1563 mono_mb_emit_ldarg (mb, 0);
1564 mono_mb_emit_icon (mb, cominterop_get_com_slot_for_method (method));
1565 mono_mb_emit_icall (mb, cominterop_get_function_pointer);
1567 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1568 mono_mb_emit_byte (mb, CEE_MONO_SAVE_LMF);
1569 mono_mb_emit_calli (mb, sig);
1570 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1571 mono_mb_emit_byte (mb, CEE_MONO_RESTORE_LMF);
1575 mono_mb_emit_exception_full (MonoMethodBuilder *mb, const char *exc_nspace, const char *exc_name, const char *msg)
1577 MonoMethod *ctor = NULL;
1579 MonoClass *mme = mono_class_from_name (mono_defaults.corlib, exc_nspace, exc_name);
1580 mono_class_init (mme);
1581 ctor = mono_class_get_method_from_name (mme, ".ctor", 0);
1583 mono_mb_emit_op (mb, CEE_NEWOBJ, ctor);
1585 mono_mb_emit_byte (mb, CEE_DUP);
1586 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoException, message));
1587 mono_mb_emit_ldstr (mb, (char*)msg);
1588 mono_mb_emit_byte (mb, CEE_STIND_REF);
1590 mono_mb_emit_byte (mb, CEE_THROW);
1594 mono_mb_emit_exception (MonoMethodBuilder *mb, const char *exc_name, const char *msg)
1596 mono_mb_emit_exception_full (mb, "System", exc_name, msg);
1600 mono_mb_emit_exception_marshal_directive (MonoMethodBuilder *mb, const char *msg)
1602 mono_mb_emit_exception_full (mb, "System.Runtime.InteropServices", "MarshalDirectiveException", msg);
1606 mono_mb_emit_add_to_local (MonoMethodBuilder *mb, guint16 local, gint32 incr)
1608 mono_mb_emit_ldloc (mb, local);
1609 mono_mb_emit_icon (mb, incr);
1610 mono_mb_emit_byte (mb, CEE_ADD);
1611 mono_mb_emit_stloc (mb, local);
1615 mono_type_to_ldind (MonoType *type)
1621 switch (type->type) {
1623 return CEE_LDIND_I1;
1625 case MONO_TYPE_BOOLEAN:
1626 return CEE_LDIND_U1;
1628 return CEE_LDIND_I2;
1630 case MONO_TYPE_CHAR:
1631 return CEE_LDIND_U2;
1633 return CEE_LDIND_I4;
1635 return CEE_LDIND_U4;
1639 case MONO_TYPE_FNPTR:
1641 case MONO_TYPE_CLASS:
1642 case MONO_TYPE_STRING:
1643 case MONO_TYPE_OBJECT:
1644 case MONO_TYPE_SZARRAY:
1645 case MONO_TYPE_ARRAY:
1646 return CEE_LDIND_REF;
1649 return CEE_LDIND_I8;
1651 return CEE_LDIND_R4;
1653 return CEE_LDIND_R8;
1654 case MONO_TYPE_VALUETYPE:
1655 if (type->data.klass->enumtype) {
1656 type = type->data.klass->enum_basetype;
1660 case MONO_TYPE_TYPEDBYREF:
1662 case MONO_TYPE_GENERICINST:
1663 type = &type->data.generic_class->container_class->byval_arg;
1666 g_error ("unknown type 0x%02x in type_to_ldind", type->type);
1672 mono_type_to_stind (MonoType *type)
1678 switch (type->type) {
1681 case MONO_TYPE_BOOLEAN:
1682 return CEE_STIND_I1;
1685 case MONO_TYPE_CHAR:
1686 return CEE_STIND_I2;
1689 return CEE_STIND_I4;
1693 case MONO_TYPE_FNPTR:
1695 case MONO_TYPE_CLASS:
1696 case MONO_TYPE_STRING:
1697 case MONO_TYPE_OBJECT:
1698 case MONO_TYPE_SZARRAY:
1699 case MONO_TYPE_ARRAY:
1700 return CEE_STIND_REF;
1703 return CEE_STIND_I8;
1705 return CEE_STIND_R4;
1707 return CEE_STIND_R8;
1708 case MONO_TYPE_VALUETYPE:
1709 if (type->data.klass->enumtype) {
1710 type = type->data.klass->enum_basetype;
1714 case MONO_TYPE_TYPEDBYREF:
1716 case MONO_TYPE_GENERICINST:
1717 type = &type->data.generic_class->container_class->byval_arg;
1720 g_error ("unknown type 0x%02x in type_to_stind", type->type);
1726 emit_ptr_to_object_conv (MonoMethodBuilder *mb, MonoType *type, MonoMarshalConv conv, MonoMarshalSpec *mspec)
1729 case MONO_MARSHAL_CONV_BOOL_I4:
1730 mono_mb_emit_ldloc (mb, 1);
1731 mono_mb_emit_ldloc (mb, 0);
1732 mono_mb_emit_byte (mb, CEE_LDIND_I4);
1733 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
1734 mono_mb_emit_byte (mb, 3);
1735 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
1736 mono_mb_emit_byte (mb, CEE_BR_S);
1737 mono_mb_emit_byte (mb, 1);
1738 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
1739 mono_mb_emit_byte (mb, CEE_STIND_I1);
1741 case MONO_MARSHAL_CONV_BOOL_VARIANTBOOL:
1742 mono_mb_emit_ldloc (mb, 1);
1743 mono_mb_emit_ldloc (mb, 0);
1744 mono_mb_emit_byte (mb, CEE_LDIND_I2);
1745 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
1746 mono_mb_emit_byte (mb, 3);
1747 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
1748 mono_mb_emit_byte (mb, CEE_BR_S);
1749 mono_mb_emit_byte (mb, 1);
1750 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
1751 mono_mb_emit_byte (mb, CEE_STIND_I1);
1753 case MONO_MARSHAL_CONV_ARRAY_BYVALARRAY: {
1754 MonoClass *eklass = NULL;
1757 if (type->type == MONO_TYPE_SZARRAY) {
1758 eklass = type->data.klass;
1760 g_assert_not_reached ();
1763 esize = mono_class_native_size (eklass, NULL);
1765 /* create a new array */
1766 mono_mb_emit_ldloc (mb, 1);
1767 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1768 mono_mb_emit_op (mb, CEE_NEWARR, eklass);
1769 mono_mb_emit_byte (mb, CEE_STIND_I);
1771 if (eklass->blittable) {
1772 /* copy the elements */
1773 mono_mb_emit_ldloc (mb, 1);
1774 mono_mb_emit_byte (mb, CEE_LDIND_I);
1775 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArray, vector));
1776 mono_mb_emit_byte (mb, CEE_ADD);
1777 mono_mb_emit_ldloc (mb, 0);
1778 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem * esize);
1779 mono_mb_emit_byte (mb, CEE_PREFIX1);
1780 mono_mb_emit_byte (mb, CEE_CPBLK);
1783 int array_var, src_var, dst_var, index_var;
1784 guint32 label2, label3;
1786 array_var = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
1787 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1788 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1791 mono_mb_emit_ldloc (mb, 1);
1792 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1793 mono_mb_emit_stloc (mb, array_var);
1795 /* save the old src pointer */
1796 mono_mb_emit_ldloc (mb, 0);
1797 mono_mb_emit_stloc (mb, src_var);
1798 /* save the old dst pointer */
1799 mono_mb_emit_ldloc (mb, 1);
1800 mono_mb_emit_stloc (mb, dst_var);
1802 /* Emit marshalling loop */
1803 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1804 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
1805 mono_mb_emit_stloc (mb, index_var);
1809 mono_mb_emit_ldloc (mb, index_var);
1810 mono_mb_emit_ldloc (mb, array_var);
1811 mono_mb_emit_byte (mb, CEE_LDLEN);
1812 label3 = mono_mb_emit_branch (mb, CEE_BGE);
1814 /* src is already set */
1817 mono_mb_emit_ldloc (mb, array_var);
1818 mono_mb_emit_ldloc (mb, index_var);
1819 mono_mb_emit_op (mb, CEE_LDELEMA, eklass);
1820 mono_mb_emit_stloc (mb, 1);
1822 /* Do the conversion */
1823 emit_struct_conv (mb, eklass, TRUE);
1826 mono_mb_emit_add_to_local (mb, index_var, 1);
1828 mono_mb_emit_byte (mb, CEE_BR);
1829 mono_mb_emit_i4 (mb, label2 - (mb->pos + 4));
1831 mono_mb_patch_branch (mb, label3);
1833 /* restore the old src pointer */
1834 mono_mb_emit_ldloc (mb, src_var);
1835 mono_mb_emit_stloc (mb, 0);
1836 /* restore the old dst pointer */
1837 mono_mb_emit_ldloc (mb, dst_var);
1838 mono_mb_emit_stloc (mb, 1);
1842 case MONO_MARSHAL_CONV_ARRAY_BYVALCHARARRAY: {
1843 MonoClass *eclass = mono_defaults.char_class;
1845 /* create a new array */
1846 mono_mb_emit_ldloc (mb, 1);
1847 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1848 mono_mb_emit_op (mb, CEE_NEWARR, eclass);
1849 mono_mb_emit_byte (mb, CEE_STIND_REF);
1851 mono_mb_emit_ldloc (mb, 1);
1852 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1853 mono_mb_emit_ldloc (mb, 0);
1854 mono_mb_emit_ptr (mb, mono_defaults.byte_class);
1855 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1856 mono_mb_emit_icall (mb, mono_byvalarray_to_array);
1859 case MONO_MARSHAL_CONV_STR_BYVALSTR:
1860 mono_mb_emit_ldloc (mb, 1);
1861 mono_mb_emit_ldloc (mb, 0);
1862 mono_mb_emit_icall (mb, mono_string_new_wrapper);
1863 mono_mb_emit_byte (mb, CEE_STIND_REF);
1865 case MONO_MARSHAL_CONV_STR_BYVALWSTR:
1866 mono_mb_emit_ldloc (mb, 1);
1867 mono_mb_emit_ldloc (mb, 0);
1868 mono_mb_emit_icall (mb, mono_string_from_utf16);
1869 mono_mb_emit_byte (mb, CEE_STIND_REF);
1871 case MONO_MARSHAL_CONV_STR_LPTSTR:
1872 case MONO_MARSHAL_CONV_STR_LPSTR:
1873 mono_mb_emit_ldloc (mb, 1);
1874 mono_mb_emit_ldloc (mb, 0);
1875 mono_mb_emit_byte (mb, CEE_LDIND_I);
1876 mono_mb_emit_icall (mb, mono_string_new_wrapper);
1877 mono_mb_emit_byte (mb, CEE_STIND_REF);
1879 case MONO_MARSHAL_CONV_STR_LPWSTR:
1880 mono_mb_emit_ldloc (mb, 1);
1881 mono_mb_emit_ldloc (mb, 0);
1882 mono_mb_emit_byte (mb, CEE_LDIND_I);
1883 mono_mb_emit_icall (mb, mono_string_from_utf16);
1884 mono_mb_emit_byte (mb, CEE_STIND_REF);
1886 case MONO_MARSHAL_CONV_OBJECT_STRUCT: {
1887 MonoClass *klass = mono_class_from_mono_type (type);
1888 int src_var, dst_var;
1890 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1891 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1893 /* *dst = new object */
1894 mono_mb_emit_ldloc (mb, 1);
1895 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1896 mono_mb_emit_op (mb, CEE_MONO_NEWOBJ, klass);
1897 mono_mb_emit_byte (mb, CEE_STIND_REF);
1899 /* save the old src pointer */
1900 mono_mb_emit_ldloc (mb, 0);
1901 mono_mb_emit_stloc (mb, src_var);
1902 /* save the old dst pointer */
1903 mono_mb_emit_ldloc (mb, 1);
1904 mono_mb_emit_stloc (mb, dst_var);
1906 /* dst = pointer to newly created object data */
1907 mono_mb_emit_ldloc (mb, 1);
1908 mono_mb_emit_byte (mb, CEE_LDIND_I);
1909 mono_mb_emit_icon (mb, sizeof (MonoObject));
1910 mono_mb_emit_byte (mb, CEE_ADD);
1911 mono_mb_emit_stloc (mb, 1);
1913 emit_struct_conv (mb, klass, TRUE);
1915 /* restore the old src pointer */
1916 mono_mb_emit_ldloc (mb, src_var);
1917 mono_mb_emit_stloc (mb, 0);
1918 /* restore the old dst pointer */
1919 mono_mb_emit_ldloc (mb, dst_var);
1920 mono_mb_emit_stloc (mb, 1);
1923 case MONO_MARSHAL_CONV_DEL_FTN: {
1924 MonoClass *klass = mono_class_from_mono_type (type);
1926 mono_mb_emit_ldloc (mb, 1);
1927 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1928 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
1929 mono_mb_emit_ldloc (mb, 0);
1930 mono_mb_emit_byte (mb, CEE_LDIND_I);
1931 mono_mb_emit_icall (mb, mono_ftnptr_to_delegate);
1932 mono_mb_emit_byte (mb, CEE_STIND_REF);
1935 case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
1936 g_error ("Structure field of type %s can't be marshalled as LPArray", mono_class_from_mono_type (type)->name);
1938 case MONO_MARSHAL_CONV_OBJECT_INTERFACE:
1939 case MONO_MARSHAL_CONV_OBJECT_IUNKNOWN:
1940 case MONO_MARSHAL_CONV_OBJECT_IDISPATCH: {
1941 static MonoClass* com_interop_proxy_class = NULL;
1942 static MonoMethod* com_interop_proxy_get_proxy = NULL;
1943 static MonoMethod* get_transparent_proxy = NULL;
1945 guint32 pos_null = 0, pos_ccw = 0, pos_end = 0;
1946 MonoClass *klass = NULL;
1948 /* COM types are initialized lazily */
1949 mono_init_com_types ();
1951 klass = mono_class_from_mono_type (type);
1953 mono_mb_emit_ldloc (mb, 1);
1954 mono_mb_emit_byte (mb, CEE_LDNULL);
1955 mono_mb_emit_byte (mb, CEE_STIND_REF);
1957 mono_mb_emit_ldloc (mb, 0);
1958 mono_mb_emit_byte (mb, CEE_LDIND_I);
1959 pos_null = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
1961 /* load dst to store later */
1962 mono_mb_emit_ldloc (mb, 1);
1964 mono_mb_emit_ldloc (mb, 0);
1965 mono_mb_emit_byte (mb, CEE_LDIND_I);
1966 mono_mb_emit_icon (mb, TRUE);
1967 mono_mb_emit_icall (mb, cominterop_get_ccw_object);
1968 pos_ccw = mono_mb_emit_short_branch (mb, CEE_BRTRUE_S);
1970 if (!com_interop_proxy_class)
1971 com_interop_proxy_class = mono_class_from_name (mono_defaults.corlib, "Mono.Interop", "ComInteropProxy");
1972 if (!com_interop_proxy_get_proxy)
1973 com_interop_proxy_get_proxy = mono_class_get_method_from_name_flags (com_interop_proxy_class, "GetProxy", 2, METHOD_ATTRIBUTE_PRIVATE);
1974 if (!get_transparent_proxy)
1975 get_transparent_proxy = mono_class_get_method_from_name (mono_defaults.real_proxy_class, "GetTransparentProxy", 0);
1977 real_proxy = mono_mb_add_local (mb, &com_interop_proxy_class->byval_arg);
1979 mono_mb_emit_ldloc (mb, 0);
1980 mono_mb_emit_byte (mb, CEE_LDIND_I);
1981 mono_mb_emit_ptr (mb, &mono_defaults.com_object_class->byval_arg);
1982 mono_mb_emit_icall (mb, type_from_handle);
1983 mono_mb_emit_managed_call (mb, com_interop_proxy_get_proxy, NULL);
1984 mono_mb_emit_managed_call (mb, get_transparent_proxy, NULL);
1985 if (conv == MONO_MARSHAL_CONV_OBJECT_INTERFACE) {
1987 mono_mb_emit_op (mb, CEE_CASTCLASS, klass);
1989 mono_mb_emit_byte (mb, CEE_STIND_REF);
1990 pos_end = mono_mb_emit_short_branch (mb, CEE_BR_S);
1992 /* is already managed object */
1993 mono_mb_patch_short_branch (mb, pos_ccw);
1994 mono_mb_emit_ldloc (mb, 0);
1995 mono_mb_emit_byte (mb, CEE_LDIND_I);
1996 mono_mb_emit_icon (mb, TRUE);
1997 mono_mb_emit_icall (mb, cominterop_get_ccw_object);
1999 if (conv == MONO_MARSHAL_CONV_OBJECT_INTERFACE) {
2001 mono_mb_emit_op (mb, CEE_CASTCLASS, klass);
2003 mono_mb_emit_byte (mb, CEE_STIND_REF);
2005 mono_mb_patch_short_branch (mb, pos_end);
2007 mono_mb_patch_short_branch (mb, pos_null);
2011 case MONO_MARSHAL_CONV_SAFEHANDLE: {
2013 * Passing SafeHandles as ref does not allow the unmanaged code
2014 * to change the SafeHandle value. If the value is changed,
2015 * we should issue a diagnostic exception (NotSupportedException)
2016 * that informs the user that changes to handles in unmanaged code
2019 * Since we currently have no access to the original
2020 * SafeHandle that was used during the marshalling,
2021 * for now we just ignore this, and ignore/discard any
2022 * changes that might have happened to the handle.
2027 case MONO_MARSHAL_CONV_HANDLEREF: {
2029 * Passing HandleRefs in a struct that is ref()ed does not
2030 * copy the values back to the HandleRef
2035 case MONO_MARSHAL_CONV_STR_BSTR:
2036 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
2037 case MONO_MARSHAL_CONV_STR_TBSTR:
2038 case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
2040 g_warning ("marshaling conversion %d not implemented", conv);
2041 g_assert_not_reached ();
2046 conv_to_icall (MonoMarshalConv conv)
2049 case MONO_MARSHAL_CONV_STR_LPWSTR:
2050 return mono_marshal_string_to_utf16;
2051 case MONO_MARSHAL_CONV_LPWSTR_STR:
2052 return mono_string_from_utf16;
2053 case MONO_MARSHAL_CONV_LPSTR_STR:
2054 return mono_string_new_wrapper;
2055 case MONO_MARSHAL_CONV_STR_LPTSTR:
2056 case MONO_MARSHAL_CONV_STR_LPSTR:
2057 return mono_string_to_lpstr;
2058 case MONO_MARSHAL_CONV_STR_BSTR:
2059 return mono_string_to_bstr;
2060 case MONO_MARSHAL_CONV_BSTR_STR:
2061 return mono_string_from_bstr;
2062 case MONO_MARSHAL_CONV_STR_TBSTR:
2063 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
2064 return mono_string_to_ansibstr;
2065 case MONO_MARSHAL_CONV_SB_LPSTR:
2066 case MONO_MARSHAL_CONV_SB_LPTSTR:
2067 return mono_string_builder_to_utf8;
2068 case MONO_MARSHAL_CONV_SB_LPWSTR:
2069 return mono_string_builder_to_utf16;
2070 case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
2071 return mono_array_to_savearray;
2072 case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
2073 return mono_array_to_lparray;
2074 case MONO_MARSHAL_CONV_DEL_FTN:
2075 return mono_delegate_to_ftnptr;
2076 case MONO_MARSHAL_CONV_FTN_DEL:
2077 return mono_ftnptr_to_delegate;
2078 case MONO_MARSHAL_CONV_LPSTR_SB:
2079 case MONO_MARSHAL_CONV_LPTSTR_SB:
2080 return mono_string_utf8_to_builder;
2081 case MONO_MARSHAL_CONV_LPWSTR_SB:
2082 return mono_string_utf16_to_builder;
2083 case MONO_MARSHAL_FREE_ARRAY:
2084 return mono_marshal_free_array;
2085 case MONO_MARSHAL_CONV_STR_BYVALSTR:
2086 return mono_string_to_byvalstr;
2087 case MONO_MARSHAL_CONV_STR_BYVALWSTR:
2088 return mono_string_to_byvalwstr;
2090 g_assert_not_reached ();
2097 emit_object_to_ptr_conv (MonoMethodBuilder *mb, MonoType *type, MonoMarshalConv conv, MonoMarshalSpec *mspec)
2102 case MONO_MARSHAL_CONV_BOOL_I4:
2103 mono_mb_emit_ldloc (mb, 1);
2104 mono_mb_emit_ldloc (mb, 0);
2105 mono_mb_emit_byte (mb, CEE_LDIND_U1);
2106 mono_mb_emit_byte (mb, CEE_STIND_I4);
2108 case MONO_MARSHAL_CONV_BOOL_VARIANTBOOL:
2109 mono_mb_emit_ldloc (mb, 1);
2110 mono_mb_emit_ldloc (mb, 0);
2111 mono_mb_emit_byte (mb, CEE_LDIND_U1);
2112 mono_mb_emit_byte (mb, CEE_NEG);
2113 mono_mb_emit_byte (mb, CEE_STIND_I2);
2115 case MONO_MARSHAL_CONV_STR_LPWSTR:
2116 case MONO_MARSHAL_CONV_STR_LPSTR:
2117 case MONO_MARSHAL_CONV_STR_LPTSTR:
2118 case MONO_MARSHAL_CONV_STR_BSTR:
2119 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
2120 case MONO_MARSHAL_CONV_STR_TBSTR: {
2123 /* free space if free == true */
2124 mono_mb_emit_ldloc (mb, 2);
2125 pos = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
2126 mono_mb_emit_ldloc (mb, 1);
2127 mono_mb_emit_byte (mb, CEE_LDIND_I);
2128 mono_mb_emit_icall (mb, g_free);
2129 mono_mb_patch_short_branch (mb, pos);
2131 mono_mb_emit_ldloc (mb, 1);
2132 mono_mb_emit_ldloc (mb, 0);
2133 mono_mb_emit_byte (mb, CEE_LDIND_REF);
2134 mono_mb_emit_icall (mb, conv_to_icall (conv));
2135 mono_mb_emit_byte (mb, CEE_STIND_I);
2138 case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
2139 case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
2140 case MONO_MARSHAL_CONV_DEL_FTN:
2141 mono_mb_emit_ldloc (mb, 1);
2142 mono_mb_emit_ldloc (mb, 0);
2143 mono_mb_emit_byte (mb, CEE_LDIND_REF);
2144 mono_mb_emit_icall (mb, conv_to_icall (conv));
2145 mono_mb_emit_byte (mb, CEE_STIND_I);
2147 case MONO_MARSHAL_CONV_STR_BYVALSTR:
2148 case MONO_MARSHAL_CONV_STR_BYVALWSTR: {
2151 mono_mb_emit_ldloc (mb, 1); /* dst */
2152 mono_mb_emit_ldloc (mb, 0);
2153 mono_mb_emit_byte (mb, CEE_LDIND_REF); /* src String */
2154 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
2155 mono_mb_emit_icall (mb, conv_to_icall (conv));
2158 case MONO_MARSHAL_CONV_ARRAY_BYVALARRAY: {
2159 MonoClass *eklass = NULL;
2162 if (type->type == MONO_TYPE_SZARRAY) {
2163 eklass = type->data.klass;
2165 g_assert_not_reached ();
2168 if (eklass->valuetype)
2169 esize = mono_class_native_size (eklass, NULL);
2171 esize = sizeof (gpointer);
2173 mono_mb_emit_ldloc (mb, 0);
2174 mono_mb_emit_byte (mb, CEE_LDIND_REF);
2175 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
2177 if (eklass->blittable) {
2178 mono_mb_emit_ldloc (mb, 1);
2179 mono_mb_emit_ldloc (mb, 0);
2180 mono_mb_emit_byte (mb, CEE_LDIND_REF);
2181 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoArray, vector));
2182 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem * esize);
2183 mono_mb_emit_byte (mb, CEE_PREFIX1);
2184 mono_mb_emit_byte (mb, CEE_CPBLK);
2186 int array_var, src_var, dst_var, index_var;
2187 guint32 label2, label3;
2189 array_var = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
2190 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2191 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2194 mono_mb_emit_ldloc (mb, 0);
2195 mono_mb_emit_byte (mb, CEE_LDIND_REF);
2196 mono_mb_emit_stloc (mb, array_var);
2198 /* save the old src pointer */
2199 mono_mb_emit_ldloc (mb, 0);
2200 mono_mb_emit_stloc (mb, src_var);
2201 /* save the old dst pointer */
2202 mono_mb_emit_ldloc (mb, 1);
2203 mono_mb_emit_stloc (mb, dst_var);
2205 /* Emit marshalling loop */
2206 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2207 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
2208 mono_mb_emit_stloc (mb, index_var);
2212 mono_mb_emit_ldloc (mb, index_var);
2213 mono_mb_emit_ldloc (mb, array_var);
2214 mono_mb_emit_byte (mb, CEE_LDLEN);
2215 label3 = mono_mb_emit_branch (mb, CEE_BGE);
2218 mono_mb_emit_ldloc (mb, array_var);
2219 mono_mb_emit_ldloc (mb, index_var);
2220 mono_mb_emit_op (mb, CEE_LDELEMA, eklass);
2221 mono_mb_emit_stloc (mb, 0);
2223 /* dst is already set */
2225 /* Do the conversion */
2226 emit_struct_conv (mb, eklass, FALSE);
2229 mono_mb_emit_add_to_local (mb, index_var, 1);
2231 mono_mb_emit_byte (mb, CEE_BR);
2232 mono_mb_emit_i4 (mb, label2 - (mb->pos + 4));
2234 mono_mb_patch_branch (mb, label3);
2236 /* restore the old src pointer */
2237 mono_mb_emit_ldloc (mb, src_var);
2238 mono_mb_emit_stloc (mb, 0);
2239 /* restore the old dst pointer */
2240 mono_mb_emit_ldloc (mb, dst_var);
2241 mono_mb_emit_stloc (mb, 1);
2244 mono_mb_patch_branch (mb, pos);
2247 case MONO_MARSHAL_CONV_ARRAY_BYVALCHARARRAY: {
2248 mono_mb_emit_ldloc (mb, 0);
2249 mono_mb_emit_byte (mb, CEE_LDIND_REF);
2250 pos = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
2252 mono_mb_emit_ldloc (mb, 1);
2253 mono_mb_emit_ldloc (mb, 0);
2254 mono_mb_emit_byte (mb, CEE_LDIND_REF);
2255 mono_mb_emit_ptr (mb, mono_defaults.byte_class);
2256 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
2257 mono_mb_emit_icall (mb, mono_array_to_byvalarray);
2258 mono_mb_patch_short_branch (mb, pos);
2261 case MONO_MARSHAL_CONV_OBJECT_STRUCT: {
2262 int src_var, dst_var;
2264 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2265 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2267 mono_mb_emit_ldloc (mb, 0);
2268 mono_mb_emit_byte (mb, CEE_LDIND_I);
2269 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
2271 /* save the old src pointer */
2272 mono_mb_emit_ldloc (mb, 0);
2273 mono_mb_emit_stloc (mb, src_var);
2274 /* save the old dst pointer */
2275 mono_mb_emit_ldloc (mb, 1);
2276 mono_mb_emit_stloc (mb, dst_var);
2278 /* src = pointer to object data */
2279 mono_mb_emit_ldloc (mb, 0);
2280 mono_mb_emit_byte (mb, CEE_LDIND_I);
2281 mono_mb_emit_icon (mb, sizeof (MonoObject));
2282 mono_mb_emit_byte (mb, CEE_ADD);
2283 mono_mb_emit_stloc (mb, 0);
2285 emit_struct_conv (mb, mono_class_from_mono_type (type), FALSE);
2287 /* restore the old src pointer */
2288 mono_mb_emit_ldloc (mb, src_var);
2289 mono_mb_emit_stloc (mb, 0);
2290 /* restore the old dst pointer */
2291 mono_mb_emit_ldloc (mb, dst_var);
2292 mono_mb_emit_stloc (mb, 1);
2294 mono_mb_patch_branch (mb, pos);
2297 case MONO_MARSHAL_CONV_OBJECT_INTERFACE:
2298 case MONO_MARSHAL_CONV_OBJECT_IDISPATCH:
2299 case MONO_MARSHAL_CONV_OBJECT_IUNKNOWN: {
2300 guint32 pos_null = 0, pos_rcw = 0, pos_end = 0;
2302 /* COM types are initialized lazily */
2303 mono_init_com_types ();
2306 mono_mb_emit_ldloc (mb, 1);
2307 mono_mb_emit_icon (mb, 0);
2308 mono_mb_emit_byte (mb, CEE_CONV_U);
2309 mono_mb_emit_byte (mb, CEE_STIND_I);
2311 mono_mb_emit_ldloc (mb, 0);
2312 mono_mb_emit_byte (mb, CEE_LDIND_REF);
2314 // if null just break, dst was already inited to 0
2315 pos_null = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
2317 mono_mb_emit_ldloc (mb, 0);
2318 mono_mb_emit_byte (mb, CEE_LDIND_REF);
2319 mono_mb_emit_icall (mb, cominterop_object_is_rcw);
2320 pos_rcw = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
2322 // load dst to store later
2323 mono_mb_emit_ldloc (mb, 1);
2326 mono_mb_emit_ldloc (mb, 0);
2327 mono_mb_emit_byte (mb, CEE_LDIND_REF);
2328 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
2329 mono_mb_emit_byte (mb, CEE_LDIND_REF);
2331 /* load the RCW from the ComInteropProxy*/
2332 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoComInteropProxy, com_object));
2333 mono_mb_emit_byte (mb, CEE_LDIND_REF);
2335 if (conv == MONO_MARSHAL_CONV_OBJECT_INTERFACE) {
2336 static MonoMethod* GetInterface = NULL;
2339 GetInterface = mono_class_get_method_from_name (mono_defaults.com_object_class, "GetInterface", 1);
2340 mono_mb_emit_ptr (mb, type);
2341 mono_mb_emit_icall (mb, type_from_handle);
2342 mono_mb_emit_managed_call (mb, GetInterface, NULL);
2344 else if (conv == MONO_MARSHAL_CONV_OBJECT_IUNKNOWN) {
2345 static MonoProperty* iunknown = NULL;
2348 iunknown = mono_class_get_property_from_name (mono_defaults.com_object_class, "IUnknown");
2349 mono_mb_emit_managed_call (mb, iunknown->get, NULL);
2351 else if (conv == MONO_MARSHAL_CONV_OBJECT_IDISPATCH) {
2352 static MonoProperty* idispatch = NULL;
2355 idispatch = mono_class_get_property_from_name (mono_defaults.com_object_class, "IDispatch");
2356 mono_mb_emit_managed_call (mb, idispatch->get, NULL);
2359 g_assert_not_reached ();
2361 mono_mb_emit_byte (mb, CEE_STIND_I);
2362 pos_end = mono_mb_emit_short_branch (mb, CEE_BR_S);
2365 mono_mb_patch_short_branch (mb, pos_rcw);
2366 /* load dst to store later */
2367 mono_mb_emit_ldloc (mb, 1);
2369 mono_mb_emit_ldloc (mb, 0);
2370 mono_mb_emit_byte (mb, CEE_LDIND_REF);
2372 if (conv == MONO_MARSHAL_CONV_OBJECT_INTERFACE)
2373 mono_mb_emit_ptr (mb, mono_type_get_class (type));
2374 else if (conv == MONO_MARSHAL_CONV_OBJECT_IUNKNOWN)
2375 mono_mb_emit_ptr (mb, mono_defaults.iunknown_class);
2376 else if (conv == MONO_MARSHAL_CONV_OBJECT_IDISPATCH)
2377 mono_mb_emit_ptr (mb, mono_defaults.idispatch_class);
2379 g_assert_not_reached ();
2380 mono_mb_emit_icall (mb, cominterop_get_ccw);
2381 mono_mb_emit_byte (mb, CEE_STIND_I);
2383 mono_mb_patch_short_branch (mb, pos_end);
2384 mono_mb_patch_short_branch (mb, pos_null);
2388 case MONO_MARSHAL_CONV_SAFEHANDLE: {
2389 int dar_release_slot, pos;
2391 dar_release_slot = mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
2394 * The following is ifdefed-out, because I have no way of doing the
2395 * DangerousRelease when destroying the structure
2398 /* set release = false */
2399 mono_mb_emit_icon (mb, 0);
2400 mono_mb_emit_stloc (mb, dar_release_slot);
2401 if (!sh_dangerous_add_ref)
2402 init_safe_handle ();
2404 /* safehandle.DangerousAddRef (ref release) */
2405 mono_mb_emit_ldloc (mb, 0); /* the source */
2406 mono_mb_emit_byte (mb, CEE_LDIND_I);
2407 mono_mb_emit_ldloc_addr (mb, dar_release_slot);
2408 mono_mb_emit_managed_call (mb, sh_dangerous_add_ref, NULL);
2410 mono_mb_emit_ldloc (mb, 0);
2411 mono_mb_emit_byte (mb, CEE_LDIND_I);
2412 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
2413 mono_mb_emit_exception (mb, "ArgumentNullException", NULL);
2414 mono_mb_patch_branch (mb, pos);
2416 /* Pull the handle field from SafeHandle */
2417 mono_mb_emit_ldloc (mb, 1);
2418 mono_mb_emit_ldloc (mb, 0);
2419 mono_mb_emit_byte (mb, CEE_LDIND_I);
2420 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoSafeHandle, handle));
2421 mono_mb_emit_byte (mb, CEE_LDIND_I);
2422 mono_mb_emit_byte (mb, CEE_STIND_I);
2426 case MONO_MARSHAL_CONV_HANDLEREF: {
2427 mono_mb_emit_ldloc (mb, 1);
2428 mono_mb_emit_ldloc (mb, 0);
2429 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoHandleRef, handle));
2430 mono_mb_emit_byte (mb, CEE_LDIND_I);
2431 mono_mb_emit_byte (mb, CEE_STIND_I);
2436 char *msg = g_strdup_printf ("marshalling conversion %d not implemented", conv);
2437 MonoException *exc = mono_get_exception_not_implemented (msg);
2440 mono_raise_exception (exc);
2446 emit_struct_conv (MonoMethodBuilder *mb, MonoClass *klass, gboolean to_object)
2448 MonoMarshalType *info;
2452 emit_struct_conv(mb, klass->parent, to_object);
2454 info = mono_marshal_load_type_info (klass);
2456 if (info->native_size == 0)
2459 if (klass->blittable) {
2460 int msize = mono_class_value_size (klass, NULL);
2461 g_assert (msize == info->native_size);
2462 mono_mb_emit_ldloc (mb, 1);
2463 mono_mb_emit_ldloc (mb, 0);
2464 mono_mb_emit_icon (mb, msize);
2465 mono_mb_emit_byte (mb, CEE_PREFIX1);
2466 mono_mb_emit_byte (mb, CEE_CPBLK);
2468 mono_mb_emit_add_to_local (mb, 0, msize);
2469 mono_mb_emit_add_to_local (mb, 1, msize);
2473 for (i = 0; i < info->num_fields; i++) {
2474 MonoMarshalNative ntype;
2475 MonoMarshalConv conv;
2476 MonoType *ftype = info->fields [i].field->type;
2479 gboolean last_field = i < (info->num_fields -1) ? 0 : 1;
2481 if (ftype->attrs & FIELD_ATTRIBUTE_STATIC)
2484 ntype = mono_type_to_unmanaged (ftype, info->fields [i].mspec, TRUE, klass->unicode, &conv);
2487 msize = klass->instance_size - info->fields [i].field->offset;
2488 usize = info->native_size - info->fields [i].offset;
2490 msize = info->fields [i + 1].field->offset - info->fields [i].field->offset;
2491 usize = info->fields [i + 1].offset - info->fields [i].offset;
2494 if (klass != mono_defaults.safehandle_class){
2496 * FIXME: Should really check for usize==0 and msize>0, but we apply
2497 * the layout to the managed structure as well.
2500 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) && (usize == 0)) {
2501 if (MONO_TYPE_IS_REFERENCE (info->fields [i].field->type) ||
2502 ((!last_field && MONO_TYPE_IS_REFERENCE (info->fields [i + 1].field->type))))
2503 g_error ("Type %s which has an [ExplicitLayout] attribute cannot have a "
2504 "reference field at the same offset as another field.",
2505 mono_type_full_name (&klass->byval_arg));
2508 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT)
2509 g_error ("Type %s which is passed to unmanaged code must have a StructLayout attribute",
2510 mono_type_full_name (&klass->byval_arg));
2515 case MONO_MARSHAL_CONV_NONE: {
2518 if (ftype->byref || ftype->type == MONO_TYPE_I ||
2519 ftype->type == MONO_TYPE_U) {
2520 mono_mb_emit_ldloc (mb, 1);
2521 mono_mb_emit_ldloc (mb, 0);
2522 mono_mb_emit_byte (mb, CEE_LDIND_I);
2523 mono_mb_emit_byte (mb, CEE_STIND_I);
2534 case MONO_TYPE_BOOLEAN:
2537 case MONO_TYPE_CHAR:
2543 mono_mb_emit_ldloc (mb, 1);
2544 mono_mb_emit_ldloc (mb, 0);
2545 mono_mb_emit_byte (mb, mono_type_to_ldind (ftype));
2546 mono_mb_emit_byte (mb, mono_type_to_stind (ftype));
2548 case MONO_TYPE_VALUETYPE: {
2549 int src_var, dst_var;
2551 if (ftype->data.klass->enumtype) {
2552 ftype = ftype->data.klass->enum_basetype;
2556 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2557 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2559 /* save the old src pointer */
2560 mono_mb_emit_ldloc (mb, 0);
2561 mono_mb_emit_stloc (mb, src_var);
2562 /* save the old dst pointer */
2563 mono_mb_emit_ldloc (mb, 1);
2564 mono_mb_emit_stloc (mb, dst_var);
2566 emit_struct_conv (mb, ftype->data.klass, to_object);
2568 /* restore the old src pointer */
2569 mono_mb_emit_ldloc (mb, src_var);
2570 mono_mb_emit_stloc (mb, 0);
2571 /* restore the old dst pointer */
2572 mono_mb_emit_ldloc (mb, dst_var);
2573 mono_mb_emit_stloc (mb, 1);
2576 case MONO_TYPE_OBJECT: {
2577 mono_init_com_types ();
2579 static MonoMethod *variant_clear = NULL;
2580 static MonoMethod *get_object_for_native_variant = NULL;
2583 variant_clear = mono_class_get_method_from_name (mono_defaults.variant_class, "Clear", 0);
2584 if (!get_object_for_native_variant)
2585 get_object_for_native_variant = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetObjectForNativeVariant", 1);
2586 mono_mb_emit_ldloc (mb, 1);
2587 mono_mb_emit_ldloc (mb, 0);
2588 mono_mb_emit_managed_call (mb, get_object_for_native_variant, NULL);
2589 mono_mb_emit_byte (mb, CEE_STIND_REF);
2591 mono_mb_emit_ldloc (mb, 0);
2592 mono_mb_emit_managed_call (mb, variant_clear, NULL);
2595 static MonoMethod *get_native_variant_for_object = NULL;
2597 if (!get_native_variant_for_object)
2598 get_native_variant_for_object = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetNativeVariantForObject", 2);
2600 mono_mb_emit_ldloc (mb, 0);
2601 mono_mb_emit_byte(mb, CEE_LDIND_REF);
2602 mono_mb_emit_ldloc (mb, 1);
2603 mono_mb_emit_managed_call (mb, get_native_variant_for_object, NULL);
2609 g_warning ("marshaling type %02x not implemented", ftype->type);
2610 g_assert_not_reached ();
2615 int src_var, dst_var;
2617 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2618 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2620 /* save the old src pointer */
2621 mono_mb_emit_ldloc (mb, 0);
2622 mono_mb_emit_stloc (mb, src_var);
2623 /* save the old dst pointer */
2624 mono_mb_emit_ldloc (mb, 1);
2625 mono_mb_emit_stloc (mb, dst_var);
2628 emit_ptr_to_object_conv (mb, ftype, conv, info->fields [i].mspec);
2630 emit_object_to_ptr_conv (mb, ftype, conv, info->fields [i].mspec);
2632 /* restore the old src pointer */
2633 mono_mb_emit_ldloc (mb, src_var);
2634 mono_mb_emit_stloc (mb, 0);
2635 /* restore the old dst pointer */
2636 mono_mb_emit_ldloc (mb, dst_var);
2637 mono_mb_emit_stloc (mb, 1);
2642 mono_mb_emit_add_to_local (mb, 0, usize);
2643 mono_mb_emit_add_to_local (mb, 1, msize);
2645 mono_mb_emit_add_to_local (mb, 0, msize);
2646 mono_mb_emit_add_to_local (mb, 1, usize);
2652 emit_struct_free (MonoMethodBuilder *mb, MonoClass *klass, int struct_var)
2654 /* Call DestroyStructure */
2655 /* FIXME: Only do this if needed */
2656 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2657 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
2658 mono_mb_emit_ldloc (mb, struct_var);
2659 mono_mb_emit_icall (mb, mono_struct_delete_old);
2663 emit_thread_interrupt_checkpoint_call (MonoMethodBuilder *mb, gpointer checkpoint_func)
2667 mono_mb_emit_ptr (mb, (gpointer) mono_thread_interruption_request_flag ());
2668 mono_mb_emit_byte (mb, CEE_LDIND_U4);
2669 pos_noabort = mono_mb_emit_branch (mb, CEE_BRFALSE);
2671 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2672 mono_mb_emit_byte (mb, CEE_MONO_NOT_TAKEN);
2674 mono_mb_emit_icall (mb, checkpoint_func);
2676 mono_mb_patch_addr (mb, pos_noabort, mb->pos - (pos_noabort + 4));
2680 emit_thread_interrupt_checkpoint (MonoMethodBuilder *mb)
2682 if (strstr (mb->name, "mono_thread_interruption_checkpoint"))
2685 emit_thread_interrupt_checkpoint_call (mb, mono_thread_interruption_checkpoint);
2689 emit_thread_force_interrupt_checkpoint (MonoMethodBuilder *mb)
2691 emit_thread_interrupt_checkpoint_call (mb, mono_thread_force_interruption_checkpoint);
2694 static MonoAsyncResult *
2695 mono_delegate_begin_invoke (MonoDelegate *delegate, gpointer *params)
2697 MonoMethodMessage *msg;
2698 MonoDelegate *async_callback;
2702 MonoMethod *method = NULL, *method2 = NULL;
2704 g_assert (delegate);
2706 if (delegate->target && mono_object_class (delegate->target) == mono_defaults.transparent_proxy_class) {
2708 MonoTransparentProxy* tp = (MonoTransparentProxy *)delegate->target;
2709 if (!tp->remote_class->proxy_class->contextbound || tp->rp->context != (MonoObject *) mono_context_get ()) {
2711 /* If the target is a proxy, make a direct call. Is proxy's work
2712 // to make the call asynchronous.
2714 MonoAsyncResult *ares;
2716 MonoArray *out_args;
2718 method = delegate->method_info->method;
2720 msg = mono_method_call_message_new (mono_marshal_method_from_wrapper (method), params, NULL, &async_callback, &state);
2721 handle = CreateEvent (NULL, TRUE, FALSE, NULL);
2722 g_assert(handle != NULL);
2723 ares = mono_async_result_new (mono_domain_get (), handle, state, handle, NULL);
2724 MONO_OBJECT_SETREF (ares, async_delegate, (MonoObject *)delegate);
2725 MONO_OBJECT_SETREF (ares, async_callback, (MonoObject *)async_callback);
2726 MONO_OBJECT_SETREF (msg, async_result, ares);
2727 msg->call_type = CallType_BeginInvoke;
2729 mono_remoting_invoke ((MonoObject *)tp->rp, msg, &exc, &out_args);
2734 klass = delegate->object.vtable->klass;
2736 method = mono_get_delegate_invoke (klass);
2737 method2 = mono_class_get_method_from_name (klass, "BeginInvoke", -1);
2740 g_assert (method != NULL);
2742 im = mono_get_delegate_invoke (method->klass);
2743 msg = mono_method_call_message_new (method, params, im, &async_callback, &state);
2745 return mono_thread_pool_add ((MonoObject *)delegate, msg, async_callback, state);
2749 mono_mb_emit_save_args (MonoMethodBuilder *mb, MonoMethodSignature *sig, gboolean save_this)
2751 int i, params_var, tmp_var;
2753 /* allocate local (pointer) *params[] */
2754 params_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2755 /* allocate local (pointer) tmp */
2756 tmp_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2758 /* alloate space on stack to store an array of pointers to the arguments */
2759 mono_mb_emit_icon (mb, sizeof (gpointer) * (sig->param_count + 1));
2760 mono_mb_emit_byte (mb, CEE_PREFIX1);
2761 mono_mb_emit_byte (mb, CEE_LOCALLOC);
2762 mono_mb_emit_stloc (mb, params_var);
2765 mono_mb_emit_ldloc (mb, params_var);
2766 mono_mb_emit_stloc (mb, tmp_var);
2768 if (save_this && sig->hasthis) {
2769 mono_mb_emit_ldloc (mb, tmp_var);
2770 mono_mb_emit_ldarg_addr (mb, 0);
2771 mono_mb_emit_byte (mb, CEE_STIND_I);
2772 /* tmp = tmp + sizeof (gpointer) */
2773 if (sig->param_count)
2774 mono_mb_emit_add_to_local (mb, tmp_var, sizeof (gpointer));
2778 for (i = 0; i < sig->param_count; i++) {
2779 mono_mb_emit_ldloc (mb, tmp_var);
2780 mono_mb_emit_ldarg_addr (mb, i + sig->hasthis);
2781 mono_mb_emit_byte (mb, CEE_STIND_I);
2782 /* tmp = tmp + sizeof (gpointer) */
2783 if (i < (sig->param_count - 1))
2784 mono_mb_emit_add_to_local (mb, tmp_var, sizeof (gpointer));
2791 mono_signature_to_name (MonoMethodSignature *sig, const char *prefix)
2795 GString *res = g_string_new ("");
2798 g_string_append (res, prefix);
2799 g_string_append_c (res, '_');
2802 mono_type_get_desc (res, sig->ret, FALSE);
2804 for (i = 0; i < sig->param_count; ++i) {
2805 g_string_append_c (res, '_');
2806 mono_type_get_desc (res, sig->params [i], FALSE);
2809 g_string_free (res, FALSE);
2814 * mono_marshal_get_string_encoding:
2816 * Return the string encoding which should be used for a given parameter.
2818 static MonoMarshalNative
2819 mono_marshal_get_string_encoding (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
2821 /* First try the parameter marshal info */
2823 if (spec->native == MONO_NATIVE_LPARRAY) {
2824 if ((spec->data.array_data.elem_type != 0) && (spec->data.array_data.elem_type != MONO_NATIVE_MAX))
2825 return spec->data.array_data.elem_type;
2828 return spec->native;
2832 return MONO_NATIVE_LPSTR;
2834 /* Then try the method level marshal info */
2835 switch (piinfo->piflags & PINVOKE_ATTRIBUTE_CHAR_SET_MASK) {
2836 case PINVOKE_ATTRIBUTE_CHAR_SET_ANSI:
2837 return MONO_NATIVE_LPSTR;
2838 case PINVOKE_ATTRIBUTE_CHAR_SET_UNICODE:
2839 return MONO_NATIVE_LPWSTR;
2840 case PINVOKE_ATTRIBUTE_CHAR_SET_AUTO:
2841 #ifdef PLATFORM_WIN32
2842 return MONO_NATIVE_LPWSTR;
2844 return MONO_NATIVE_LPSTR;
2847 return MONO_NATIVE_LPSTR;
2851 static MonoMarshalConv
2852 mono_marshal_get_string_to_ptr_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
2854 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
2857 case MONO_NATIVE_LPWSTR:
2858 return MONO_MARSHAL_CONV_STR_LPWSTR;
2859 case MONO_NATIVE_LPSTR:
2860 return MONO_MARSHAL_CONV_STR_LPSTR;
2861 case MONO_NATIVE_LPTSTR:
2862 return MONO_MARSHAL_CONV_STR_LPTSTR;
2863 case MONO_NATIVE_BSTR:
2864 return MONO_MARSHAL_CONV_STR_BSTR;
2870 static MonoMarshalConv
2871 mono_marshal_get_stringbuilder_to_ptr_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
2873 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
2876 case MONO_NATIVE_LPWSTR:
2877 return MONO_MARSHAL_CONV_SB_LPWSTR;
2879 case MONO_NATIVE_LPSTR:
2880 return MONO_MARSHAL_CONV_SB_LPSTR;
2882 case MONO_NATIVE_LPTSTR:
2883 return MONO_MARSHAL_CONV_SB_LPTSTR;
2890 static MonoMarshalConv
2891 mono_marshal_get_ptr_to_string_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec, gboolean *need_free)
2893 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
2898 case MONO_NATIVE_LPWSTR:
2899 return MONO_MARSHAL_CONV_LPWSTR_STR;
2900 case MONO_NATIVE_LPSTR:
2901 return MONO_MARSHAL_CONV_LPSTR_STR;
2902 case MONO_NATIVE_LPTSTR:
2903 return MONO_MARSHAL_CONV_LPTSTR_STR;
2904 case MONO_NATIVE_BSTR:
2905 return MONO_MARSHAL_CONV_BSTR_STR;
2911 static MonoMarshalConv
2912 mono_marshal_get_ptr_to_stringbuilder_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec, gboolean *need_free)
2914 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
2919 case MONO_NATIVE_LPWSTR:
2921 * mono_string_builder_to_utf16 does not allocate a
2922 * new buffer, so no need to free it.
2925 return MONO_MARSHAL_CONV_LPWSTR_SB;
2926 case MONO_NATIVE_LPSTR:
2927 return MONO_MARSHAL_CONV_LPSTR_SB;
2929 case MONO_NATIVE_LPTSTR:
2930 return MONO_MARSHAL_CONV_LPTSTR_SB;
2938 * Return whenever a field of a native structure or an array member needs to
2942 mono_marshal_need_free (MonoType *t, MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
2944 MonoMarshalNative encoding;
2945 MonoMarshalConv conv;
2948 case MONO_TYPE_VALUETYPE:
2949 /* FIXME: Optimize this */
2951 case MONO_TYPE_OBJECT:
2952 case MONO_TYPE_CLASS:
2953 if (t->data.klass == mono_defaults.stringbuilder_class) {
2955 conv = mono_marshal_get_ptr_to_stringbuilder_conv (piinfo, spec, &need_free);
2959 case MONO_TYPE_STRING:
2960 encoding = mono_marshal_get_string_encoding (piinfo, spec);
2961 return (encoding == MONO_NATIVE_LPWSTR) ? FALSE : TRUE;
2967 static inline MonoMethod*
2968 mono_marshal_find_in_cache (GHashTable *cache, gpointer key)
2972 mono_marshal_lock ();
2973 res = g_hash_table_lookup (cache, key);
2974 mono_marshal_unlock ();
2978 /* Create the method from the builder and place it in the cache */
2979 static inline MonoMethod*
2980 mono_mb_create_and_cache (GHashTable *cache, gpointer key,
2981 MonoMethodBuilder *mb, MonoMethodSignature *sig,
2986 mono_marshal_lock ();
2987 res = g_hash_table_lookup (cache, key);
2988 mono_marshal_unlock ();
2991 newm = mono_mb_create_method (mb, sig, max_stack);
2992 mono_marshal_lock ();
2993 res = g_hash_table_lookup (cache, key);
2996 g_hash_table_insert (cache, key, res);
2997 g_hash_table_insert (wrapper_hash, res, key);
2998 mono_marshal_unlock ();
3000 mono_marshal_unlock ();
3001 mono_free_method (newm);
3009 static inline MonoMethod*
3010 mono_marshal_remoting_find_in_cache (MonoMethod *method, int wrapper_type)
3012 MonoMethod *res = NULL;
3013 MonoRemotingMethods *wrps;
3015 mono_marshal_lock ();
3016 wrps = g_hash_table_lookup (method->klass->image->remoting_invoke_cache, method);
3019 switch (wrapper_type) {
3020 case MONO_WRAPPER_REMOTING_INVOKE: res = wrps->invoke; break;
3021 case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK: res = wrps->invoke_with_check; break;
3022 case MONO_WRAPPER_XDOMAIN_INVOKE: res = wrps->xdomain_invoke; break;
3023 case MONO_WRAPPER_XDOMAIN_DISPATCH: res = wrps->xdomain_dispatch; break;
3027 /* it is important to do the unlock after the load from wrps, since in
3028 * mono_remoting_mb_create_and_cache () we drop the marshal lock to be able
3029 * to take the loader lock and some other thread may set the fields.
3031 mono_marshal_unlock ();
3035 /* Create the method from the builder and place it in the cache */
3036 static inline MonoMethod*
3037 mono_remoting_mb_create_and_cache (MonoMethod *key, MonoMethodBuilder *mb,
3038 MonoMethodSignature *sig, int max_stack)
3040 MonoMethod **res = NULL;
3041 MonoRemotingMethods *wrps;
3042 GHashTable *cache = key->klass->image->remoting_invoke_cache;
3044 mono_marshal_lock ();
3045 wrps = g_hash_table_lookup (cache, key);
3047 wrps = g_new0 (MonoRemotingMethods, 1);
3048 g_hash_table_insert (cache, key, wrps);
3051 switch (mb->method->wrapper_type) {
3052 case MONO_WRAPPER_REMOTING_INVOKE: res = &wrps->invoke; break;
3053 case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK: res = &wrps->invoke_with_check; break;
3054 case MONO_WRAPPER_XDOMAIN_INVOKE: res = &wrps->xdomain_invoke; break;
3055 case MONO_WRAPPER_XDOMAIN_DISPATCH: res = &wrps->xdomain_dispatch; break;
3056 default: g_assert_not_reached (); break;
3058 mono_marshal_unlock ();
3062 newm = mono_mb_create_method (mb, sig, max_stack);
3064 mono_marshal_lock ();
3067 g_hash_table_insert (wrapper_hash, *res, key);
3068 mono_marshal_unlock ();
3070 mono_marshal_unlock ();
3071 mono_free_method (newm);
3079 mono_marshal_method_from_wrapper (MonoMethod *wrapper)
3083 if (wrapper->wrapper_type == MONO_WRAPPER_NONE)
3086 mono_marshal_lock ();
3087 res = g_hash_table_lookup (wrapper_hash, wrapper);
3088 mono_marshal_unlock ();
3093 mono_marshal_get_delegate_begin_invoke (MonoMethod *method)
3095 MonoMethodSignature *sig;
3096 MonoMethodBuilder *mb;
3102 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
3103 !strcmp (method->name, "BeginInvoke"));
3105 sig = signature_no_pinvoke (method);
3107 cache = method->klass->image->delegate_begin_invoke_cache;
3108 if ((res = mono_marshal_find_in_cache (cache, sig)))
3111 g_assert (sig->hasthis);
3113 name = mono_signature_to_name (sig, "begin_invoke");
3114 mb = mono_mb_new (mono_defaults.multicastdelegate_class, name, MONO_WRAPPER_DELEGATE_BEGIN_INVOKE);
3117 mb->method->save_lmf = 1;
3119 params_var = mono_mb_emit_save_args (mb, sig, FALSE);
3121 mono_mb_emit_ldarg (mb, 0);
3122 mono_mb_emit_ldloc (mb, params_var);
3123 mono_mb_emit_icall (mb, mono_delegate_begin_invoke);
3124 emit_thread_interrupt_checkpoint (mb);
3125 mono_mb_emit_byte (mb, CEE_RET);
3127 res = mono_mb_create_and_cache (cache, sig, mb, sig, sig->param_count + 16);
3133 mono_delegate_end_invoke (MonoDelegate *delegate, gpointer *params)
3135 MonoDomain *domain = mono_domain_get ();
3136 MonoAsyncResult *ares;
3137 MonoMethod *method = NULL;
3138 MonoMethodSignature *sig;
3139 MonoMethodMessage *msg;
3140 MonoObject *res, *exc;
3141 MonoArray *out_args;
3144 g_assert (delegate);
3146 if (!delegate->method_info || !delegate->method_info->method)
3147 g_assert_not_reached ();
3149 klass = delegate->object.vtable->klass;
3151 method = mono_class_get_method_from_name (klass, "EndInvoke", -1);
3152 g_assert (method != NULL);
3154 sig = signature_no_pinvoke (method);
3156 msg = mono_method_call_message_new (method, params, NULL, NULL, NULL);
3158 ares = mono_array_get (msg->args, gpointer, sig->param_count - 1);
3161 if (ares->async_delegate != (MonoObject*)delegate && mono_get_runtime_info ()->framework_version [0] >= '2') {
3162 mono_raise_exception (mono_get_exception_invalid_operation (
3163 "The IAsyncResult object provided does not match this delegate."));
3167 if (delegate->target && mono_object_class (delegate->target) == mono_defaults.transparent_proxy_class) {
3168 MonoTransparentProxy* tp = (MonoTransparentProxy *)delegate->target;
3169 msg = (MonoMethodMessage *)mono_object_new (domain, mono_defaults.mono_method_message_class);
3170 mono_message_init (domain, msg, delegate->method_info, NULL);
3171 msg->call_type = CallType_EndInvoke;
3172 MONO_OBJECT_SETREF (msg, async_result, ares);
3173 res = mono_remoting_invoke ((MonoObject *)tp->rp, msg, &exc, &out_args);
3175 res = mono_thread_pool_finish (ares, &out_args, &exc);
3179 if (((MonoException*)exc)->stack_trace) {
3180 char *strace = mono_string_to_utf8 (((MonoException*)exc)->stack_trace);
3182 tmp = g_strdup_printf ("%s\nException Rethrown at:\n", strace);
3184 MONO_OBJECT_SETREF (((MonoException*)exc), stack_trace, mono_string_new (domain, tmp));
3187 mono_raise_exception ((MonoException*)exc);
3190 mono_method_return_message_restore (method, params, out_args);
3195 mono_mb_emit_restore_result (MonoMethodBuilder *mb, MonoType *return_type)
3197 MonoType *t = mono_type_get_underlying_type (return_type);
3199 if (return_type->byref)
3200 return_type = &mono_defaults.int_class->byval_arg;
3203 case MONO_TYPE_VOID:
3204 g_assert_not_reached ();
3207 case MONO_TYPE_STRING:
3208 case MONO_TYPE_CLASS:
3209 case MONO_TYPE_OBJECT:
3210 case MONO_TYPE_ARRAY:
3211 case MONO_TYPE_SZARRAY:
3215 case MONO_TYPE_BOOLEAN:
3218 case MONO_TYPE_CHAR:
3228 mono_mb_emit_op (mb, CEE_UNBOX, mono_class_from_mono_type (return_type));
3229 mono_mb_emit_byte (mb, mono_type_to_ldind (return_type));
3231 case MONO_TYPE_GENERICINST:
3232 if (!mono_type_generic_inst_is_valuetype (return_type))
3235 case MONO_TYPE_VALUETYPE: {
3236 MonoClass *klass = mono_class_from_mono_type (return_type);
3237 mono_mb_emit_op (mb, CEE_UNBOX, klass);
3238 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
3242 g_warning ("type 0x%x not handled", return_type->type);
3243 g_assert_not_reached ();
3246 mono_mb_emit_byte (mb, CEE_RET);
3250 mono_marshal_get_delegate_end_invoke (MonoMethod *method)
3252 MonoMethodSignature *sig;
3253 MonoMethodBuilder *mb;
3259 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
3260 !strcmp (method->name, "EndInvoke"));
3262 sig = signature_no_pinvoke (method);
3264 cache = method->klass->image->delegate_end_invoke_cache;
3265 if ((res = mono_marshal_find_in_cache (cache, sig)))
3268 g_assert (sig->hasthis);
3270 name = mono_signature_to_name (sig, "end_invoke");
3271 mb = mono_mb_new (mono_defaults.multicastdelegate_class, name, MONO_WRAPPER_DELEGATE_END_INVOKE);
3274 mb->method->save_lmf = 1;
3276 params_var = mono_mb_emit_save_args (mb, sig, FALSE);
3278 mono_mb_emit_ldarg (mb, 0);
3279 mono_mb_emit_ldloc (mb, params_var);
3280 mono_mb_emit_icall (mb, mono_delegate_end_invoke);
3281 emit_thread_interrupt_checkpoint (mb);
3283 if (sig->ret->type == MONO_TYPE_VOID) {
3284 mono_mb_emit_byte (mb, CEE_POP);
3285 mono_mb_emit_byte (mb, CEE_RET);
3287 mono_mb_emit_restore_result (mb, sig->ret);
3289 res = mono_mb_create_and_cache (cache, sig,
3290 mb, sig, sig->param_count + 16);
3297 mono_remoting_wrapper (MonoMethod *method, gpointer *params)
3299 MonoMethodMessage *msg;
3300 MonoTransparentProxy *this;
3301 MonoObject *res, *exc;
3302 MonoArray *out_args;
3304 this = *((MonoTransparentProxy **)params [0]);
3307 g_assert (((MonoObject *)this)->vtable->klass == mono_defaults.transparent_proxy_class);
3309 /* skip the this pointer */
3312 if (this->remote_class->proxy_class->contextbound && this->rp->context == (MonoObject *) mono_context_get ())
3315 MonoMethodSignature *sig = mono_method_signature (method);
3316 int count = sig->param_count;
3317 gpointer* mparams = (gpointer*) alloca(count*sizeof(gpointer));
3319 for (i=0; i<count; i++) {
3320 MonoClass *class = mono_class_from_mono_type (sig->params [i]);
3321 if (class->valuetype) {
3322 if (sig->params [i]->byref)
3323 mparams[i] = *((gpointer *)params [i]);
3325 mparams[i] = params [i];
3327 mparams[i] = *((gpointer**)params [i]);
3331 return mono_runtime_invoke (method, method->klass->valuetype? mono_object_unbox ((MonoObject*)this): this, mparams, NULL);
3334 msg = mono_method_call_message_new (method, params, NULL, NULL, NULL);
3336 res = mono_remoting_invoke ((MonoObject *)this->rp, msg, &exc, &out_args);
3339 mono_raise_exception ((MonoException *)exc);
3341 mono_method_return_message_restore (method, params, out_args);
3347 * cominterop_get_native_wrapper_adjusted:
3348 * @method: managed COM Interop method
3350 * Returns: the generated method to call with signature matching
3351 * the unmanaged COM Method signature
3354 cominterop_get_native_wrapper_adjusted (MonoMethod *method)
3357 MonoMethodBuilder *mb_native;
3358 MonoMarshalSpec **mspecs;
3359 MonoMethodSignature *sig, *sig_native;
3360 MonoMethodPInvoke *piinfo = (MonoMethodPInvoke *) method;
3363 sig = mono_method_signature (method);
3365 // create unmanaged wrapper
3366 mb_native = mono_mb_new (method->klass, method->name, MONO_WRAPPER_MANAGED_TO_NATIVE);
3367 sig_native = signature_cominterop (method->klass->image, sig);
3369 mspecs = g_new (MonoMarshalSpec*, sig_native->param_count+1);
3370 memset (mspecs, 0, sizeof(MonoMarshalSpec*)*(sig_native->param_count+1));
3372 mono_method_get_marshal_info (method, mspecs);
3374 // move managed args up one
3375 for (i = sig->param_count; i >= 1; i--)
3376 mspecs[i+1] = mspecs[i];
3378 // first arg is IntPtr for interface
3381 // move return spec to last param
3382 if (!MONO_TYPE_IS_VOID (sig->ret))
3383 mspecs[sig_native->param_count] = mspecs[0];
3387 mono_marshal_emit_native_wrapper(mono_defaults.corlib, mb_native, sig_native, piinfo, mspecs, piinfo->addr);
3389 res = mono_mb_create_method (mb_native, sig_native, sig_native->param_count + 16);
3391 mono_mb_free (mb_native);
3393 for (i = sig_native->param_count; i >= 0; i--)
3395 mono_metadata_free_marshal_spec (mspecs [i]);
3402 * cominterop_get_native_wrapper:
3403 * @method: managed method
3405 * Returns: the generated method to call
3408 cominterop_get_native_wrapper (MonoMethod *method)
3412 MonoMethodBuilder *mb;
3413 MonoMethodSignature *sig, *csig;
3417 cache = method->klass->image->cominterop_wrapper_cache;
3418 if ((res = mono_marshal_find_in_cache (cache, method)))
3421 mono_init_com_types ();
3423 sig = mono_method_signature (method);
3424 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_COMINTEROP);
3426 /* if method klass is import, that means method
3427 * is really a com call. let interop system emit it.
3429 if (MONO_CLASS_IS_IMPORT(method->klass)) {
3430 /* FIXME: we have to call actual class .ctor
3431 * instead of just __ComObject .ctor.
3433 if (!strcmp(method->name, ".ctor")) {
3434 static MonoMethod *ctor = NULL;
3437 ctor = mono_class_get_method_from_name (mono_defaults.com_object_class, ".ctor", 0);
3438 mono_mb_emit_ldarg (mb, 0);
3439 mono_mb_emit_managed_call (mb, ctor, NULL);
3440 mono_mb_emit_byte (mb, CEE_RET);
3443 static MonoMethod * ThrowExceptionForHR = NULL;
3444 static MonoMethod * GetInterface = NULL;
3445 MonoMethod *adjusted_method;
3451 GetInterface = mono_class_get_method_from_name (mono_defaults.com_object_class, "GetInterface", 1);
3453 // add local variables
3454 hr = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
3455 ptr_this = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
3456 if (!MONO_TYPE_IS_VOID (sig->ret))
3457 retval = mono_mb_add_local (mb, sig->ret);
3459 // get the type for the interface the method is defined on
3460 // and then get the underlying COM interface for that type
3461 mono_mb_emit_ldarg (mb, 0);
3462 mono_mb_emit_ptr (mb, method);
3463 mono_mb_emit_icall (mb, cominterop_get_method_interface);
3464 mono_mb_emit_managed_call (mb, GetInterface, NULL);
3465 mono_mb_emit_stloc (mb, ptr_this);
3467 // arg 1 is unmanaged this pointer
3468 mono_mb_emit_ldloc (mb, ptr_this);
3471 for (i = 1; i <= sig->param_count; i++)
3472 mono_mb_emit_ldarg (mb, i);
3474 // push managed return value as byref last argument
3475 if (!MONO_TYPE_IS_VOID (sig->ret))
3476 mono_mb_emit_ldloc_addr (mb, retval);
3478 adjusted_method = cominterop_get_native_wrapper_adjusted (method);
3479 mono_mb_emit_managed_call (mb, adjusted_method, NULL);
3481 // store HRESULT to check
3482 mono_mb_emit_stloc (mb, hr);
3484 if (!ThrowExceptionForHR)
3485 ThrowExceptionForHR = mono_class_get_method_from_name (mono_defaults.marshal_class, "ThrowExceptionForHR", 1);
3486 mono_mb_emit_ldloc (mb, hr);
3487 mono_mb_emit_managed_call (mb, ThrowExceptionForHR, NULL);
3489 // load return value managed is expecting
3490 if (!MONO_TYPE_IS_VOID (sig->ret))
3491 mono_mb_emit_ldloc (mb, retval);
3493 mono_mb_emit_byte (mb, CEE_RET);
3498 /* Does this case ever get hit? */
3500 char *msg = g_strdup ("non imported interfaces on \
3501 imported classes is not yet implemented.");
3502 mono_mb_emit_exception (mb, "NotSupportedException", msg);
3504 csig = signature_dup (method->klass->image, sig);
3506 res = mono_mb_create_and_cache (cache, method,
3507 mb, csig, csig->param_count + 16);
3513 * cominterop_get_invoke:
3514 * @method: managed method
3516 * Returns: the generated method that calls the underlying __ComObject
3517 * rather than the proxy object.
3520 cominterop_get_invoke (MonoMethod *method)
3522 MonoMethodSignature *sig;
3523 MonoMethodBuilder *mb;
3526 GHashTable* cache = method->klass->image->cominterop_invoke_cache;
3530 if ((res = mono_marshal_find_in_cache (cache, method)))
3533 sig = signature_no_pinvoke (method);
3535 /* we cant remote methods without this pointer */
3539 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_COMINTEROP_INVOKE);
3541 /* get real proxy object, which is a ComInteropProxy in this case*/
3542 temp_obj = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3543 mono_mb_emit_ldarg (mb, 0);
3544 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
3545 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3547 /* load the RCW from the ComInteropProxy*/
3548 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoComInteropProxy, com_object));
3549 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3551 /* load args and make the call on the RCW */
3552 for (i = 1; i <= sig->param_count; i++)
3553 mono_mb_emit_ldarg (mb, i);
3555 if (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) {
3556 MonoMethod * native_wrapper = cominterop_get_native_wrapper(method);
3557 mono_mb_emit_managed_call (mb, native_wrapper, NULL);
3560 if (method->flags & METHOD_ATTRIBUTE_VIRTUAL)
3561 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
3563 mono_mb_emit_op (mb, CEE_CALL, method);
3566 if (!strcmp(method->name, ".ctor")) {
3567 static MonoClass *com_interop_proxy_class = NULL;
3568 static MonoMethod *cache_proxy = NULL;
3570 if (!com_interop_proxy_class)
3571 com_interop_proxy_class = mono_class_from_name (mono_defaults.corlib, "Mono.Interop", "ComInteropProxy");
3573 cache_proxy = mono_class_get_method_from_name (com_interop_proxy_class, "CacheProxy", 0);
3575 mono_mb_emit_ldarg (mb, 0);
3576 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
3577 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3578 mono_mb_emit_managed_call (mb, cache_proxy, NULL);
3581 emit_thread_interrupt_checkpoint (mb);
3583 mono_mb_emit_byte (mb, CEE_RET);
3585 res = mono_mb_create_and_cache (cache, method, mb, sig, sig->param_count + 16);
3590 /* Maps a managed object to its unmanaged representation
3591 * i.e. it's COM Callable Wrapper (CCW).
3595 static GHashTable* ccw_hash = NULL;
3597 /* Maps a CCW interface to it's containing CCW.
3598 * Note that a CCW support many interfaces.
3600 * Value: MonoCCWInterface*
3602 static GHashTable* ccw_interface_hash = NULL;
3604 /* Maps the IUnknown value of a RCW to
3605 * it's MonoComInteropProxy*.
3609 static GHashTable* rcw_hash = NULL;
3612 mono_marshal_get_remoting_invoke (MonoMethod *method)
3614 MonoMethodSignature *sig;
3615 MonoMethodBuilder *mb;
3621 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE || method->wrapper_type == MONO_WRAPPER_XDOMAIN_INVOKE)
3624 /* this seems to be the best plase to put this, as all remoting invokes seem to get filtered through here */
3625 if ((method->klass->is_com_object || method->klass == mono_defaults.com_object_class) && !mono_class_vtable (mono_domain_get (), method->klass)->remote)
3626 return cominterop_get_invoke(method);
3628 sig = signature_no_pinvoke (method);
3630 /* we cant remote methods without this pointer */
3634 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_REMOTING_INVOKE)))
3637 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_REMOTING_INVOKE);
3638 mb->method->save_lmf = 1;
3640 params_var = mono_mb_emit_save_args (mb, sig, TRUE);
3642 mono_mb_emit_ptr (mb, method);
3643 mono_mb_emit_ldloc (mb, params_var);
3644 mono_mb_emit_icall (mb, mono_remoting_wrapper);
3645 emit_thread_interrupt_checkpoint (mb);
3647 if (sig->ret->type == MONO_TYPE_VOID) {
3648 mono_mb_emit_byte (mb, CEE_POP);
3649 mono_mb_emit_byte (mb, CEE_RET);
3651 mono_mb_emit_restore_result (mb, sig->ret);
3654 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16);
3660 /* mono_get_xdomain_marshal_type()
3661 * Returns the kind of marshalling that a type needs for cross domain calls.
3663 static MonoXDomainMarshalType
3664 mono_get_xdomain_marshal_type (MonoType *t)
3667 case MONO_TYPE_VOID:
3668 g_assert_not_reached ();
3672 case MONO_TYPE_BOOLEAN:
3675 case MONO_TYPE_CHAR:
3682 return MONO_MARSHAL_NONE;
3683 case MONO_TYPE_STRING:
3684 return MONO_MARSHAL_COPY;
3685 case MONO_TYPE_ARRAY:
3686 case MONO_TYPE_SZARRAY: {
3687 MonoClass *elem_class = mono_class_from_mono_type (t)->element_class;
3688 if (mono_get_xdomain_marshal_type (&(elem_class->byval_arg)) != MONO_MARSHAL_SERIALIZE)
3689 return MONO_MARSHAL_COPY;
3694 return MONO_MARSHAL_SERIALIZE;
3698 /* mono_marshal_xdomain_copy_value
3699 * Makes a copy of "val" suitable for the current domain.
3702 mono_marshal_xdomain_copy_value (MonoObject *val)
3705 if (val == NULL) return NULL;
3707 domain = mono_domain_get ();
3709 switch (mono_object_class (val)->byval_arg.type) {
3710 case MONO_TYPE_VOID:
3711 g_assert_not_reached ();
3715 case MONO_TYPE_BOOLEAN:
3718 case MONO_TYPE_CHAR:
3724 case MONO_TYPE_R8: {
3725 return mono_value_box (domain, mono_object_class (val), ((char*)val) + sizeof(MonoObject));
3727 case MONO_TYPE_STRING: {
3728 MonoString *str = (MonoString *) val;
3729 return (MonoObject *) mono_string_new_utf16 (domain, mono_string_chars (str), mono_string_length (str));
3731 case MONO_TYPE_ARRAY:
3732 case MONO_TYPE_SZARRAY: {
3734 MonoXDomainMarshalType mt = mono_get_xdomain_marshal_type (&(mono_object_class (val)->element_class->byval_arg));
3735 if (mt == MONO_MARSHAL_SERIALIZE) return NULL;
3736 acopy = mono_array_clone_in_domain (domain, (MonoArray *) val);
3737 if (mt == MONO_MARSHAL_COPY) {
3738 int i, len = mono_array_length (acopy);
3739 for (i = 0; i < len; i++) {
3740 MonoObject *item = mono_array_get (acopy, gpointer, i);
3741 mono_array_setref (acopy, i, mono_marshal_xdomain_copy_value (item));
3744 return (MonoObject *) acopy;
3748 if (mono_object_class (val) == mono_defaults.stringbuilder_class) {
3749 MonoStringBuilder *oldsb = (MonoStringBuilder *) val;
3750 MonoStringBuilder *newsb = (MonoStringBuilder *) mono_object_new (domain, mono_defaults.stringbuilder_class);
3751 MONO_OBJECT_SETREF (newsb, str, mono_string_new_utf16 (domain, mono_string_chars (oldsb->str), mono_string_length (oldsb->str)));
3752 newsb->length = oldsb->length;
3753 newsb->max_capacity = (gint32)0x7fffffff;
3754 return (MonoObject *) newsb;
3759 /* mono_marshal_xdomain_copy_out_value()
3760 * Copies the contents of the src instance into the dst instance. src and dst
3761 * must have the same type, and if they are arrays, the same size.
3764 mono_marshal_xdomain_copy_out_value (MonoObject *src, MonoObject *dst)
3766 if (src == NULL || dst == NULL) return;
3768 g_assert (mono_object_class (src) == mono_object_class (dst));
3770 switch (mono_object_class (src)->byval_arg.type) {
3771 case MONO_TYPE_ARRAY:
3772 case MONO_TYPE_SZARRAY: {
3773 int mt = mono_get_xdomain_marshal_type (&(mono_object_class (src)->element_class->byval_arg));
3774 if (mt == MONO_MARSHAL_SERIALIZE) return;
3775 if (mt == MONO_MARSHAL_COPY) {
3776 int i, len = mono_array_length ((MonoArray *)dst);
3777 for (i = 0; i < len; i++) {
3778 MonoObject *item = mono_array_get ((MonoArray *)src, gpointer, i);
3779 mono_array_setref ((MonoArray *)dst, i, mono_marshal_xdomain_copy_value (item));
3782 mono_array_full_copy ((MonoArray *)src, (MonoArray *)dst);
3788 if (mono_object_class (src) == mono_defaults.stringbuilder_class) {
3789 MonoStringBuilder *src_sb = (MonoStringBuilder *) src;
3790 MonoStringBuilder *dst_sb = (MonoStringBuilder *) dst;
3792 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)));
3793 dst_sb->cached_str = NULL;
3794 dst_sb->length = src_sb->length;
3799 mono_marshal_emit_xdomain_copy_value (MonoMethodBuilder *mb, MonoClass *pclass)
3801 mono_mb_emit_icall (mb, mono_marshal_xdomain_copy_value);
3802 mono_mb_emit_op (mb, CEE_CASTCLASS, pclass);
3806 mono_marshal_emit_xdomain_copy_out_value (MonoMethodBuilder *mb, MonoClass *pclass)
3808 mono_mb_emit_icall (mb, mono_marshal_xdomain_copy_out_value);
3811 /* mono_marshal_supports_fast_xdomain()
3812 * Returns TRUE if the method can use the fast xdomain wrapper.
3815 mono_marshal_supports_fast_xdomain (MonoMethod *method)
3817 return !method->klass->contextbound &&
3818 !((method->flags & METHOD_ATTRIBUTE_SPECIAL_NAME) && (strcmp (".ctor", method->name) == 0));
3822 mono_marshal_set_domain_by_id (gint32 id, MonoBoolean push)
3824 MonoDomain *current_domain = mono_domain_get ();
3825 MonoDomain *domain = mono_domain_get_by_id (id);
3827 if (!domain || !mono_domain_set (domain, FALSE))
3828 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
3831 mono_thread_push_appdomain_ref (domain);
3833 mono_thread_pop_appdomain_ref ();
3835 return current_domain->domain_id;
3839 mono_marshal_emit_switch_domain (MonoMethodBuilder *mb)
3841 mono_mb_emit_icall (mb, mono_marshal_set_domain_by_id);
3844 /* mono_marshal_emit_load_domain_method ()
3845 * Loads into the stack a pointer to the code of the provided method for
3846 * the current domain.
3849 mono_marshal_emit_load_domain_method (MonoMethodBuilder *mb, MonoMethod *method)
3851 /* We need a pointer to the method for the running domain (not the domain
3852 * that compiles the method).
3854 mono_mb_emit_ptr (mb, method);
3855 mono_mb_emit_icall (mb, mono_compile_method);
3858 /* mono_marshal_check_domain_image ()
3859 * Returns TRUE if the image is loaded in the specified
3860 * application domain.
3863 mono_marshal_check_domain_image (gint32 domain_id, MonoImage *image)
3868 MonoDomain *domain = mono_domain_get_by_id (domain_id);
3872 mono_domain_assemblies_lock (domain);
3873 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
3875 if (ass->image == image)
3878 mono_domain_assemblies_unlock (domain);
3883 /* mono_marshal_get_xappdomain_dispatch ()
3884 * Generates a method that dispatches a method call from another domain into
3885 * the current domain.
3888 mono_marshal_get_xappdomain_dispatch (MonoMethod *method, int *marshal_types, int complex_count, int complex_out_count, int ret_marshal_type)
3890 MonoMethodSignature *sig, *csig;
3891 MonoMethodBuilder *mb;
3893 int i, j, param_index, copy_locals_base;
3894 MonoClass *ret_class = NULL;
3895 int loc_array=0, loc_return=0, loc_serialized_exc=0;
3896 MonoExceptionClause *main_clause;
3897 MonoMethodHeader *header;
3899 gboolean copy_return;
3901 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_XDOMAIN_DISPATCH)))
3904 sig = mono_method_signature (method);
3905 copy_return = (sig->ret->type != MONO_TYPE_VOID && ret_marshal_type != MONO_MARSHAL_SERIALIZE);
3908 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3 + sig->param_count - complex_count);
3909 csig->params [j++] = &mono_defaults.object_class->byval_arg;
3910 csig->params [j++] = &byte_array_class->this_arg;
3911 csig->params [j++] = &byte_array_class->this_arg;
3912 for (i = 0; i < sig->param_count; i++) {
3913 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE)
3914 csig->params [j++] = sig->params [i];
3917 csig->ret = sig->ret;
3919 csig->ret = &mono_defaults.void_class->byval_arg;
3921 csig->hasthis = FALSE;
3923 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_XDOMAIN_DISPATCH);
3924 mb->method->save_lmf = 1;
3928 loc_serialized_exc = mono_mb_add_local (mb, &byte_array_class->byval_arg);
3929 if (complex_count > 0)
3930 loc_array = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3931 if (sig->ret->type != MONO_TYPE_VOID) {
3932 loc_return = mono_mb_add_local (mb, sig->ret);
3933 ret_class = mono_class_from_mono_type (sig->ret);
3938 main_clause = g_new0 (MonoExceptionClause, 1);
3939 main_clause->try_offset = mb->pos;
3941 /* Clean the call context */
3943 mono_mb_emit_byte (mb, CEE_LDNULL);
3944 mono_mb_emit_managed_call (mb, method_set_call_context, NULL);
3945 mono_mb_emit_byte (mb, CEE_POP);
3947 /* Deserialize call data */
3949 mono_mb_emit_ldarg (mb, 1);
3950 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3951 mono_mb_emit_byte (mb, CEE_DUP);
3952 pos = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
3954 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
3955 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
3957 if (complex_count > 0)
3958 mono_mb_emit_stloc (mb, loc_array);
3960 mono_mb_emit_byte (mb, CEE_POP);
3962 mono_mb_patch_addr_s (mb, pos, mb->pos - (pos + 1));
3964 /* Get the target object */
3966 mono_mb_emit_ldarg (mb, 0);
3967 mono_mb_emit_managed_call (mb, method_rs_appdomain_target, NULL);
3969 /* Load the arguments */
3971 copy_locals_base = mb->locals;
3972 param_index = 3; // Index of the first non-serialized parameter of this wrapper
3974 for (i = 0; i < sig->param_count; i++) {
3975 MonoType *pt = sig->params [i];
3976 MonoClass *pclass = mono_class_from_mono_type (pt);
3977 switch (marshal_types [i]) {
3978 case MONO_MARSHAL_SERIALIZE: {
3979 /* take the value from the serialized array */
3980 mono_mb_emit_ldloc (mb, loc_array);
3981 mono_mb_emit_icon (mb, j++);
3983 if (pclass->valuetype) {
3984 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3985 mono_mb_emit_op (mb, CEE_UNBOX, pclass);
3987 mono_mb_emit_op (mb, CEE_LDELEMA, pclass);
3990 if (pclass->valuetype) {
3991 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3992 mono_mb_emit_op (mb, CEE_UNBOX, pclass);
3993 mono_mb_emit_op (mb, CEE_LDOBJ, pclass);
3995 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3996 if (pclass != mono_defaults.object_class) {
3997 mono_mb_emit_op (mb, CEE_CASTCLASS, pclass);
4003 case MONO_MARSHAL_COPY_OUT: {
4004 /* Keep a local copy of the value since we need to copy it back after the call */
4005 int copy_local = mono_mb_add_local (mb, &(pclass->byval_arg));
4006 mono_mb_emit_ldarg (mb, param_index++);
4007 mono_marshal_emit_xdomain_copy_value (mb, pclass);
4008 mono_mb_emit_byte (mb, CEE_DUP);
4009 mono_mb_emit_stloc (mb, copy_local);
4012 case MONO_MARSHAL_COPY: {
4013 mono_mb_emit_ldarg (mb, param_index);
4015 mono_mb_emit_byte (mb, CEE_DUP);
4016 mono_mb_emit_byte (mb, CEE_DUP);
4017 mono_mb_emit_byte (mb, CEE_LDIND_REF);
4018 mono_marshal_emit_xdomain_copy_value (mb, pclass);
4019 mono_mb_emit_byte (mb, CEE_STIND_REF);
4021 mono_marshal_emit_xdomain_copy_value (mb, pclass);
4026 case MONO_MARSHAL_NONE:
4027 mono_mb_emit_ldarg (mb, param_index++);
4032 /* Make the call to the real object */
4034 emit_thread_force_interrupt_checkpoint (mb);
4036 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
4038 if (sig->ret->type != MONO_TYPE_VOID)
4039 mono_mb_emit_stloc (mb, loc_return);
4041 /* copy back MONO_MARSHAL_COPY_OUT parameters */
4045 for (i = 0; i < sig->param_count; i++) {
4046 if (marshal_types [i] == MONO_MARSHAL_SERIALIZE) continue;
4047 if (marshal_types [i] == MONO_MARSHAL_COPY_OUT) {
4048 mono_mb_emit_ldloc (mb, copy_locals_base + (j++));
4049 mono_mb_emit_ldarg (mb, param_index);
4050 mono_marshal_emit_xdomain_copy_out_value (mb, mono_class_from_mono_type (sig->params [i]));
4055 /* Serialize the return values */
4057 if (complex_out_count > 0) {
4058 /* Reset parameters in the array that don't need to be serialized back */
4060 for (i = 0; i < sig->param_count; i++) {
4061 if (marshal_types[i] != MONO_MARSHAL_SERIALIZE) continue;
4062 if (!sig->params [i]->byref) {
4063 mono_mb_emit_ldloc (mb, loc_array);
4064 mono_mb_emit_icon (mb, j);
4065 mono_mb_emit_byte (mb, CEE_LDNULL);
4066 mono_mb_emit_byte (mb, CEE_STELEM_REF);
4071 /* Add the return value to the array */
4073 if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
4074 mono_mb_emit_ldloc (mb, loc_array);
4075 mono_mb_emit_icon (mb, complex_count); /* The array has an additional slot to hold the ret value */
4076 mono_mb_emit_ldloc (mb, loc_return);
4077 if (ret_class->valuetype) {
4078 mono_mb_emit_op (mb, CEE_BOX, ret_class);
4080 mono_mb_emit_byte (mb, CEE_STELEM_REF);
4085 mono_mb_emit_ldarg (mb, 1);
4086 mono_mb_emit_ldloc (mb, loc_array);
4087 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
4088 mono_mb_emit_byte (mb, CEE_STIND_REF);
4089 } else if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
4090 mono_mb_emit_ldarg (mb, 1);
4091 mono_mb_emit_ldloc (mb, loc_return);
4092 if (ret_class->valuetype) {
4093 mono_mb_emit_op (mb, CEE_BOX, ret_class);
4095 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
4096 mono_mb_emit_byte (mb, CEE_STIND_REF);
4098 mono_mb_emit_ldarg (mb, 1);
4099 mono_mb_emit_byte (mb, CEE_LDNULL);
4100 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
4101 mono_mb_emit_byte (mb, CEE_STIND_REF);
4104 mono_mb_emit_ldarg (mb, 2);
4105 mono_mb_emit_byte (mb, CEE_LDNULL);
4106 mono_mb_emit_byte (mb, CEE_STIND_REF);
4107 pos_leave = mono_mb_emit_branch (mb, CEE_LEAVE);
4109 /* Main exception catch */
4110 main_clause->flags = MONO_EXCEPTION_CLAUSE_NONE;
4111 main_clause->try_len = mb->pos - main_clause->try_offset;
4112 main_clause->data.catch_class = mono_defaults.object_class;
4115 main_clause->handler_offset = mb->pos;
4116 mono_mb_emit_managed_call (mb, method_rs_serialize_exc, NULL);
4117 mono_mb_emit_stloc (mb, loc_serialized_exc);
4118 mono_mb_emit_ldarg (mb, 2);
4119 mono_mb_emit_ldloc (mb, loc_serialized_exc);
4120 mono_mb_emit_byte (mb, CEE_STIND_REF);
4121 mono_mb_emit_branch (mb, CEE_LEAVE);
4122 main_clause->handler_len = mb->pos - main_clause->handler_offset;
4125 mono_mb_patch_addr (mb, pos_leave, mb->pos - (pos_leave + 4));
4128 mono_mb_emit_ldloc (mb, loc_return);
4130 mono_mb_emit_byte (mb, CEE_RET);
4132 res = mono_remoting_mb_create_and_cache (method, mb, csig, csig->param_count + 16);
4135 header = ((MonoMethodNormal *)res)->header;
4136 header->num_clauses = 1;
4137 header->clauses = main_clause;
4142 /* mono_marshal_get_xappdomain_invoke ()
4143 * Generates a fast remoting wrapper for cross app domain calls.
4146 mono_marshal_get_xappdomain_invoke (MonoMethod *method)
4148 MonoMethodSignature *sig;
4149 MonoMethodBuilder *mb;
4151 int i, j, complex_count, complex_out_count, copy_locals_base;
4153 MonoClass *ret_class = NULL;
4154 MonoMethod *xdomain_method;
4155 int ret_marshal_type = MONO_MARSHAL_NONE;
4156 int loc_array=0, loc_serialized_data=-1, loc_real_proxy;
4157 int loc_old_domainid, loc_domainid, loc_return=0, loc_serialized_exc=0, loc_context;
4158 int pos, pos_dispatch, pos_noex;
4159 gboolean copy_return = FALSE;
4163 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE || method->wrapper_type == MONO_WRAPPER_XDOMAIN_INVOKE)
4166 /* we cant remote methods without this pointer */
4167 if (!mono_method_signature (method)->hasthis)
4170 if (!mono_marshal_supports_fast_xdomain (method))
4171 return mono_marshal_get_remoting_invoke (method);
4173 mono_remoting_marshal_init ();
4175 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_XDOMAIN_INVOKE)))
4178 sig = signature_no_pinvoke (method);
4180 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_XDOMAIN_INVOKE);
4181 mb->method->save_lmf = 1;
4183 /* Count the number of parameters that need to be serialized */
4185 marshal_types = alloca (sizeof (int) * sig->param_count);
4186 complex_count = complex_out_count = 0;
4187 for (i = 0; i < sig->param_count; i++) {
4188 MonoType *ptype = sig->params[i];
4189 int mt = mono_get_xdomain_marshal_type (ptype);
4191 /* If the [Out] attribute is applied to a parameter that can be internally copied,
4192 * the copy will be made by reusing the original object instance
4194 if ((ptype->attrs & PARAM_ATTRIBUTE_OUT) != 0 && mt == MONO_MARSHAL_COPY && !ptype->byref)
4195 mt = MONO_MARSHAL_COPY_OUT;
4196 else if (mt == MONO_MARSHAL_SERIALIZE) {
4198 if (ptype->byref) complex_out_count++;
4200 marshal_types [i] = mt;
4203 if (sig->ret->type != MONO_TYPE_VOID) {
4204 ret_marshal_type = mono_get_xdomain_marshal_type (sig->ret);
4205 ret_class = mono_class_from_mono_type (sig->ret);
4206 copy_return = ret_marshal_type != MONO_MARSHAL_SERIALIZE;
4211 if (complex_count > 0)
4212 loc_array = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4213 loc_serialized_data = mono_mb_add_local (mb, &byte_array_class->byval_arg);
4214 loc_real_proxy = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4216 loc_return = mono_mb_add_local (mb, sig->ret);
4217 loc_old_domainid = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
4218 loc_domainid = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
4219 loc_serialized_exc = mono_mb_add_local (mb, &byte_array_class->byval_arg);
4220 loc_context = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4222 /* Save thread domain data */
4224 mono_mb_emit_icall (mb, mono_context_get);
4225 mono_mb_emit_byte (mb, CEE_DUP);
4226 mono_mb_emit_stloc (mb, loc_context);
4228 /* If the thread is not running in the default context, it needs to go
4229 * through the whole remoting sink, since the context is going to change
4231 mono_mb_emit_managed_call (mb, method_needs_context_sink, NULL);
4232 pos = mono_mb_emit_short_branch (mb, CEE_BRTRUE_S);
4234 /* Another case in which the fast path can't be used: when the target domain
4235 * has a different image for the same assembly.
4238 /* Get the target domain id */
4240 mono_mb_emit_ldarg (mb, 0);
4241 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
4242 mono_mb_emit_byte (mb, CEE_LDIND_REF);
4243 mono_mb_emit_byte (mb, CEE_DUP);
4244 mono_mb_emit_stloc (mb, loc_real_proxy);
4246 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoRealProxy, target_domain_id));
4247 mono_mb_emit_byte (mb, CEE_LDIND_I4);
4248 mono_mb_emit_stloc (mb, loc_domainid);
4250 /* Check if the target domain has the same image for the required assembly */
4252 mono_mb_emit_ldloc (mb, loc_domainid);
4253 mono_mb_emit_ptr (mb, method->klass->image);
4254 mono_mb_emit_icall (mb, mono_marshal_check_domain_image);
4255 pos_dispatch = mono_mb_emit_short_branch (mb, CEE_BRTRUE_S);
4257 /* Use the whole remoting sink to dispatch this message */
4259 mono_mb_patch_short_branch (mb, pos);
4261 mono_mb_emit_ldarg (mb, 0);
4262 for (i = 0; i < sig->param_count; i++)
4263 mono_mb_emit_ldarg (mb, i + 1);
4265 mono_mb_emit_managed_call (mb, mono_marshal_get_remoting_invoke (method), NULL);
4266 mono_mb_emit_byte (mb, CEE_RET);
4267 mono_mb_patch_short_branch (mb, pos_dispatch);
4269 /* Create the array that will hold the parameters to be serialized */
4271 if (complex_count > 0) {
4272 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 */
4273 mono_mb_emit_op (mb, CEE_NEWARR, mono_defaults.object_class);
4276 for (i = 0; i < sig->param_count; i++) {
4278 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE) continue;
4279 pclass = mono_class_from_mono_type (sig->params[i]);
4280 mono_mb_emit_byte (mb, CEE_DUP);
4281 mono_mb_emit_icon (mb, j);
4282 mono_mb_emit_ldarg (mb, i + 1); /* 0=this */
4283 if (sig->params[i]->byref) {
4284 if (pclass->valuetype)
4285 mono_mb_emit_op (mb, CEE_LDOBJ, pclass);
4287 mono_mb_emit_byte (mb, CEE_LDIND_REF);
4289 if (pclass->valuetype)
4290 mono_mb_emit_op (mb, CEE_BOX, pclass);
4291 mono_mb_emit_byte (mb, CEE_STELEM_REF);
4294 mono_mb_emit_stloc (mb, loc_array);
4296 /* Serialize parameters */
4298 mono_mb_emit_ldloc (mb, loc_array);
4299 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
4300 mono_mb_emit_stloc (mb, loc_serialized_data);
4302 mono_mb_emit_byte (mb, CEE_LDNULL);
4303 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
4304 mono_mb_emit_stloc (mb, loc_serialized_data);
4309 mono_mb_emit_ldloc (mb, loc_domainid);
4310 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
4311 mono_marshal_emit_switch_domain (mb);
4312 mono_mb_emit_stloc (mb, loc_old_domainid);
4314 /* Load the arguments */
4316 mono_mb_emit_ldloc (mb, loc_real_proxy);
4317 mono_mb_emit_ldloc_addr (mb, loc_serialized_data);
4318 mono_mb_emit_ldloc_addr (mb, loc_serialized_exc);
4320 copy_locals_base = mb->locals;
4321 for (i = 0; i < sig->param_count; i++) {
4322 switch (marshal_types [i]) {
4323 case MONO_MARSHAL_SERIALIZE:
4325 case MONO_MARSHAL_COPY: {
4326 mono_mb_emit_ldarg (mb, i+1);
4327 if (sig->params [i]->byref) {
4328 /* make a local copy of the byref parameter. The real parameter
4329 * will be updated after the xdomain call
4331 MonoClass *pclass = mono_class_from_mono_type (sig->params [i]);
4332 int copy_local = mono_mb_add_local (mb, &(pclass->byval_arg));
4333 mono_mb_emit_byte (mb, CEE_LDIND_REF);
4334 mono_mb_emit_stloc (mb, copy_local);
4335 mono_mb_emit_ldloc_addr (mb, copy_local);
4339 case MONO_MARSHAL_COPY_OUT:
4340 case MONO_MARSHAL_NONE:
4341 mono_mb_emit_ldarg (mb, i+1);
4346 /* Make the call to the invoke wrapper in the target domain */
4348 xdomain_method = mono_marshal_get_xappdomain_dispatch (method, marshal_types, complex_count, complex_out_count, ret_marshal_type);
4349 mono_marshal_emit_load_domain_method (mb, xdomain_method);
4350 mono_mb_emit_calli (mb, mono_method_signature (xdomain_method));
4353 mono_mb_emit_stloc (mb, loc_return);
4357 mono_mb_emit_ldloc (mb, loc_old_domainid);
4358 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
4359 mono_marshal_emit_switch_domain (mb);
4360 mono_mb_emit_byte (mb, CEE_POP);
4362 /* Restore thread domain data */
4364 mono_mb_emit_ldloc (mb, loc_context);
4365 mono_mb_emit_icall (mb, mono_context_set);
4367 /* if (loc_serialized_exc != null) ... */
4369 mono_mb_emit_ldloc (mb, loc_serialized_exc);
4370 pos_noex = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
4372 mono_mb_emit_ldloc (mb, loc_serialized_exc);
4373 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
4374 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
4375 mono_mb_emit_op (mb, CEE_CASTCLASS, mono_defaults.exception_class);
4376 mono_mb_emit_managed_call (mb, method_exc_fixexc, NULL);
4377 mono_mb_emit_byte (mb, CEE_THROW);
4378 mono_mb_patch_addr_s (mb, pos_noex, mb->pos - pos_noex - 1);
4380 /* copy back non-serialized output parameters */
4383 for (i = 0; i < sig->param_count; i++) {
4384 if (!sig->params [i]->byref || marshal_types [i] != MONO_MARSHAL_COPY) continue;
4385 mono_mb_emit_ldarg (mb, i + 1);
4386 mono_mb_emit_ldloc (mb, copy_locals_base + (j++));
4387 mono_marshal_emit_xdomain_copy_value (mb, mono_class_from_mono_type (sig->params [i]));
4388 mono_mb_emit_byte (mb, CEE_STIND_REF);
4391 /* Deserialize out parameters */
4393 if (complex_out_count > 0) {
4394 mono_mb_emit_ldloc (mb, loc_serialized_data);
4395 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
4396 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
4397 mono_mb_emit_stloc (mb, loc_array);
4399 /* Copy back output parameters and return type */
4402 for (i = 0; i < sig->param_count; i++) {
4403 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE) continue;
4404 if (sig->params[i]->byref) {
4405 MonoClass *pclass = mono_class_from_mono_type (sig->params [i]);
4406 mono_mb_emit_ldarg (mb, i + 1);
4407 mono_mb_emit_ldloc (mb, loc_array);
4408 mono_mb_emit_icon (mb, j);
4409 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
4410 if (pclass->valuetype) {
4411 mono_mb_emit_op (mb, CEE_UNBOX, pclass);
4412 mono_mb_emit_op (mb, CEE_LDOBJ, pclass);
4413 mono_mb_emit_op (mb, CEE_STOBJ, pclass);
4415 if (pclass != mono_defaults.object_class)
4416 mono_mb_emit_op (mb, CEE_CASTCLASS, pclass);
4417 mono_mb_emit_byte (mb, CEE_STIND_REF);
4423 if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
4424 mono_mb_emit_ldloc (mb, loc_array);
4425 mono_mb_emit_icon (mb, complex_count);
4426 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
4427 if (ret_class->valuetype) {
4428 mono_mb_emit_op (mb, CEE_UNBOX, ret_class);
4429 mono_mb_emit_op (mb, CEE_LDOBJ, ret_class);
4432 } else if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
4433 mono_mb_emit_ldloc (mb, loc_serialized_data);
4434 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
4435 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
4436 if (ret_class->valuetype) {
4437 mono_mb_emit_op (mb, CEE_UNBOX, ret_class);
4438 mono_mb_emit_op (mb, CEE_LDOBJ, ret_class);
4439 } else if (ret_class != mono_defaults.object_class) {
4440 mono_mb_emit_op (mb, CEE_CASTCLASS, ret_class);
4443 mono_mb_emit_ldloc (mb, loc_serialized_data);
4444 mono_mb_emit_byte (mb, CEE_DUP);
4445 pos = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
4446 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
4448 mono_mb_patch_addr_s (mb, pos, mb->pos - (pos + 1));
4449 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
4450 mono_mb_emit_byte (mb, CEE_POP);
4454 mono_mb_emit_ldloc (mb, loc_return);
4455 if (ret_marshal_type == MONO_MARSHAL_COPY)
4456 mono_marshal_emit_xdomain_copy_value (mb, ret_class);
4459 mono_mb_emit_byte (mb, CEE_RET);
4461 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16);
4468 mono_marshal_get_remoting_invoke_for_target (MonoMethod *method, MonoRemotingTarget target_type)
4470 if (target_type == MONO_REMOTING_TARGET_APPDOMAIN)
4471 return mono_marshal_get_xappdomain_invoke (method);
4472 else if (target_type == MONO_REMOTING_TARGET_COMINTEROP)
4473 return cominterop_get_invoke (method);
4475 return mono_marshal_get_remoting_invoke (method);
4478 G_GNUC_UNUSED static gpointer
4479 mono_marshal_load_remoting_wrapper (MonoRealProxy *rp, MonoMethod *method)
4481 if (rp->target_domain_id != -1)
4482 return mono_compile_method (mono_marshal_get_xappdomain_invoke (method));
4484 return mono_compile_method (mono_marshal_get_remoting_invoke (method));
4488 mono_marshal_get_remoting_invoke_with_check (MonoMethod *method)
4490 MonoMethodSignature *sig;
4491 MonoMethodBuilder *mb;
4492 MonoMethod *res, *native;
4493 int i, pos, pos_rem;
4497 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK)
4500 /* we cant remote methods without this pointer */
4501 g_assert (mono_method_signature (method)->hasthis);
4503 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK)))
4506 sig = signature_no_pinvoke (method);
4508 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK);
4510 for (i = 0; i <= sig->param_count; i++)
4511 mono_mb_emit_ldarg (mb, i);
4513 mono_mb_emit_ldarg (mb, 0);
4514 pos = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
4516 if (mono_marshal_supports_fast_xdomain (method)) {
4517 mono_mb_emit_ldarg (mb, 0);
4518 pos_rem = mono_mb_emit_xdomain_check (mb, CEE_BEQ);
4520 /* wrapper for cross app domain calls */
4521 native = mono_marshal_get_xappdomain_invoke (method);
4522 mono_mb_emit_managed_call (mb, native, mono_method_signature (native));
4523 mono_mb_emit_byte (mb, CEE_RET);
4525 mono_mb_patch_addr (mb, pos_rem, mb->pos - (pos_rem + 4));
4527 /* wrapper for normal remote calls */
4528 native = mono_marshal_get_remoting_invoke (method);
4529 mono_mb_emit_managed_call (mb, native, mono_method_signature (native));
4530 mono_mb_emit_byte (mb, CEE_RET);
4533 mono_mb_patch_branch (mb, pos);
4534 mono_mb_emit_managed_call (mb, method, mono_method_signature (method));
4535 mono_mb_emit_byte (mb, CEE_RET);
4537 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16);
4544 * the returned method invokes all methods in a multicast delegate
4547 mono_marshal_get_delegate_invoke (MonoMethod *method)
4549 MonoMethodSignature *sig, *static_sig;
4551 MonoMethodBuilder *mb;
4557 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
4558 !strcmp (method->name, "Invoke"));
4560 sig = signature_no_pinvoke (method);
4562 cache = method->klass->image->delegate_invoke_cache;
4563 if ((res = mono_marshal_find_in_cache (cache, sig)))
4566 static_sig = signature_dup (method->klass->image, sig);
4567 static_sig->hasthis = 0;
4569 name = mono_signature_to_name (sig, "invoke");
4570 mb = mono_mb_new (mono_defaults.multicastdelegate_class, name, MONO_WRAPPER_DELEGATE_INVOKE);
4573 /* allocate local 0 (object) */
4574 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4576 g_assert (sig->hasthis);
4580 * prev.Invoke( args .. );
4581 * return this.<target>( args .. );
4584 /* this wrapper can be used in unmanaged-managed transitions */
4585 emit_thread_interrupt_checkpoint (mb);
4587 /* get this->prev */
4588 mono_mb_emit_ldarg (mb, 0);
4589 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoMulticastDelegate, prev));
4590 mono_mb_emit_byte (mb, CEE_LDIND_REF);
4592 /* if prev != null */
4593 pos0 = mono_mb_emit_branch (mb, CEE_BRFALSE);
4597 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4598 mono_mb_emit_byte (mb, CEE_MONO_NOT_TAKEN);
4600 mono_mb_emit_ldarg (mb, 0);
4601 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoMulticastDelegate, prev));
4602 mono_mb_emit_byte (mb, CEE_LDIND_REF);
4603 for (i = 0; i < sig->param_count; i++)
4604 mono_mb_emit_ldarg (mb, i + 1);
4605 mono_mb_emit_managed_call (mb, method, mono_method_signature (method));
4606 if (sig->ret->type != MONO_TYPE_VOID)
4607 mono_mb_emit_byte (mb, CEE_POP);
4609 /* continued or prev == null */
4610 mono_mb_patch_branch (mb, pos0);
4612 /* get this->target */
4613 mono_mb_emit_ldarg (mb, 0);
4614 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, target));
4615 mono_mb_emit_byte (mb, CEE_LDIND_REF);
4616 mono_mb_emit_stloc (mb, 0);
4618 /* if target != null */
4619 mono_mb_emit_ldloc (mb, 0);
4620 pos0 = mono_mb_emit_branch (mb, CEE_BRFALSE);
4622 /* then call this->method_ptr nonstatic */
4623 mono_mb_emit_ldloc (mb, 0);
4624 for (i = 0; i < sig->param_count; ++i)
4625 mono_mb_emit_ldarg (mb, i + 1);
4626 mono_mb_emit_ldarg (mb, 0);
4627 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, method_ptr));
4628 mono_mb_emit_byte (mb, CEE_LDIND_I );
4629 mono_mb_emit_op (mb, CEE_CALLI, sig);
4631 pos1 = mono_mb_emit_branch (mb, CEE_BR);
4633 /* else [target == null] call this->method_ptr static */
4634 mono_mb_patch_branch (mb, pos0);
4636 for (i = 0; i < sig->param_count; ++i)
4637 mono_mb_emit_ldarg (mb, i + 1);
4638 mono_mb_emit_ldarg (mb, 0);
4639 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, method_ptr));
4640 mono_mb_emit_byte (mb, CEE_LDIND_I );
4641 mono_mb_emit_op (mb, CEE_CALLI, static_sig);
4644 mono_mb_patch_branch (mb, pos1);
4645 mono_mb_emit_byte (mb, CEE_RET);
4647 res = mono_mb_create_and_cache (cache, sig,
4648 mb, sig, sig->param_count + 16);
4655 * signature_dup_add_this:
4657 * Make a copy of @sig, adding an explicit this argument.
4659 static MonoMethodSignature*
4660 signature_dup_add_this (MonoMethodSignature *sig, MonoClass *klass)
4662 MonoMethodSignature *res;
4665 res = mono_metadata_signature_alloc (klass->image, sig->param_count + 1);
4666 memcpy (res, sig, sizeof (MonoMethodSignature));
4667 res->param_count = sig->param_count + 1;
4668 res->hasthis = FALSE;
4669 for (i = sig->param_count - 1; i >= 0; i --)
4670 res->params [i + 1] = sig->params [i];
4671 res->params [0] = &mono_ptr_class_get (&klass->byval_arg)->byval_arg;
4677 MonoMethodSignature *ctor_sig;
4678 MonoMethodSignature *sig;
4681 /* protected by the marshal lock, contains CtorSigPair pointers */
4682 static GSList *strsig_list = NULL;
4684 static MonoMethodSignature *
4685 lookup_string_ctor_signature (MonoMethodSignature *sig)
4687 MonoMethodSignature *callsig;
4691 mono_marshal_lock ();
4693 for (item = strsig_list; item; item = item->next) {
4695 /* mono_metadata_signature_equal () is safe to call with the marshal lock
4696 * because it is lock-free.
4698 if (mono_metadata_signature_equal (sig, cs->ctor_sig)) {
4703 mono_marshal_unlock ();
4707 static MonoMethodSignature *
4708 add_string_ctor_signature (MonoMethod *method)
4710 MonoMethodSignature *callsig;
4713 callsig = signature_dup (method->klass->image, mono_method_signature (method));
4714 callsig->ret = &mono_defaults.string_class->byval_arg;
4715 cs = g_new (CtorSigPair, 1);
4717 cs->ctor_sig = mono_method_signature (method);
4719 mono_marshal_lock ();
4720 strsig_list = g_slist_prepend (strsig_list, cs);
4721 mono_marshal_unlock ();
4726 * generates IL code for the runtime invoke function
4727 * MonoObject *runtime_invoke (MonoObject *this, void **params, MonoObject **exc, void* method)
4729 * we also catch exceptions if exc != null
4732 mono_marshal_get_runtime_invoke (MonoMethod *method)
4734 MonoMethodSignature *sig, *csig, *callsig;
4735 MonoExceptionClause *clause;
4736 MonoMethodHeader *header;
4737 MonoMethodBuilder *mb;
4738 GHashTable *cache = NULL;
4739 MonoClass *target_klass;
4740 MonoMethod *res = NULL;
4741 static MonoString *string_dummy = NULL;
4742 static MonoMethodSignature *dealy_abort_sig = NULL;
4748 if (method->string_ctor) {
4749 callsig = lookup_string_ctor_signature (mono_method_signature (method));
4751 callsig = add_string_ctor_signature (method);
4753 if (method->klass->valuetype && mono_method_signature (method)->hasthis) {
4755 * Valuetype methods receive a managed pointer as the this argument.
4756 * Create a new signature to reflect this.
4758 callsig = signature_dup_add_this (mono_method_signature (method), method->klass);
4760 callsig = mono_method_signature (method);
4764 target_klass = mono_defaults.object_class;
4766 * if types in the signature belong to non-mscorlib, we cache only
4767 * in the method image
4769 if (mono_class_from_mono_type (callsig->ret)->image != mono_defaults.corlib) {
4770 target_klass = method->klass;
4772 for (i = 0; i < callsig->param_count; i++) {
4773 if (mono_class_from_mono_type (callsig->params [i])->image != mono_defaults.corlib) {
4774 target_klass = method->klass;
4779 cache = target_klass->image->runtime_invoke_cache;
4781 /* from mono_marshal_find_in_cache */
4782 mono_marshal_lock ();
4783 res = g_hash_table_lookup (cache, callsig);
4784 mono_marshal_unlock ();
4790 if (!dealy_abort_sig) {
4791 dealy_abort_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
4792 dealy_abort_sig->ret = &mono_defaults.void_class->byval_arg;
4793 dealy_abort_sig->pinvoke = 0;
4796 /* to make it work with our special string constructors */
4797 if (!string_dummy) {
4798 MONO_GC_REGISTER_ROOT (string_dummy);
4799 string_dummy = mono_string_new_wrapper ("dummy");
4802 sig = mono_method_signature (method);
4804 csig = mono_metadata_signature_alloc (target_klass->image, 4);
4806 csig->ret = &mono_defaults.object_class->byval_arg;
4807 if (method->klass->valuetype && mono_method_signature (method)->hasthis)
4808 csig->params [0] = callsig->params [0];
4810 csig->params [0] = &mono_defaults.object_class->byval_arg;
4811 csig->params [1] = &mono_defaults.int_class->byval_arg;
4812 csig->params [2] = &mono_defaults.int_class->byval_arg;
4813 csig->params [3] = &mono_defaults.int_class->byval_arg;
4815 name = mono_signature_to_name (callsig, "runtime_invoke");
4816 mb = mono_mb_new (target_klass, name, MONO_WRAPPER_RUNTIME_INVOKE);
4819 /* allocate local 0 (object) tmp */
4820 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4821 /* allocate local 1 (object) exc */
4822 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4824 /* cond set *exc to null */
4825 mono_mb_emit_byte (mb, CEE_LDARG_2);
4826 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
4827 mono_mb_emit_byte (mb, 3);
4828 mono_mb_emit_byte (mb, CEE_LDARG_2);
4829 mono_mb_emit_byte (mb, CEE_LDNULL);
4830 mono_mb_emit_byte (mb, CEE_STIND_REF);
4832 emit_thread_force_interrupt_checkpoint (mb);
4835 if (method->string_ctor) {
4836 mono_mb_emit_ptr (mb, string_dummy);
4838 mono_mb_emit_ldarg (mb, 0);
4842 for (i = 0; i < sig->param_count; i++) {
4843 MonoType *t = sig->params [i];
4846 mono_mb_emit_ldarg (mb, 1);
4848 mono_mb_emit_icon (mb, sizeof (gpointer) * i);
4849 mono_mb_emit_byte (mb, CEE_ADD);
4851 mono_mb_emit_byte (mb, CEE_LDIND_I);
4856 type = sig->params [i]->type;
4860 case MONO_TYPE_BOOLEAN:
4864 case MONO_TYPE_CHAR:
4873 mono_mb_emit_byte (mb, mono_type_to_ldind (sig->params [i]));
4875 case MONO_TYPE_STRING:
4876 case MONO_TYPE_CLASS:
4877 case MONO_TYPE_ARRAY:
4879 case MONO_TYPE_SZARRAY:
4880 case MONO_TYPE_OBJECT:
4883 case MONO_TYPE_GENERICINST:
4884 if (!mono_type_generic_inst_is_valuetype (sig->params [i])) {
4890 case MONO_TYPE_VALUETYPE:
4891 if (type == MONO_TYPE_VALUETYPE && t->data.klass->enumtype) {
4892 type = t->data.klass->enum_basetype->type;
4895 if (mono_class_is_nullable (mono_class_from_mono_type (sig->params [i]))) {
4896 /* Need to convert a boxed vtype to an mp to a Nullable struct */
4897 mono_mb_emit_op (mb, CEE_UNBOX, mono_class_from_mono_type (sig->params [i]));
4898 mono_mb_emit_op (mb, CEE_LDOBJ, mono_class_from_mono_type (sig->params [i]));
4900 mono_mb_emit_op (mb, CEE_LDOBJ, mono_class_from_mono_type (sig->params [i]));
4904 g_assert_not_reached ();
4908 mono_mb_emit_ldarg (mb, 3);
4909 mono_mb_emit_calli (mb, callsig);
4911 if (sig->ret->byref) {
4913 g_assert_not_reached ();
4917 switch (sig->ret->type) {
4918 case MONO_TYPE_VOID:
4919 if (!method->string_ctor)
4920 mono_mb_emit_byte (mb, CEE_LDNULL);
4922 case MONO_TYPE_BOOLEAN:
4923 case MONO_TYPE_CHAR:
4936 case MONO_TYPE_VALUETYPE:
4937 case MONO_TYPE_TYPEDBYREF:
4938 case MONO_TYPE_GENERICINST:
4939 /* box value types */
4940 mono_mb_emit_op (mb, CEE_BOX, mono_class_from_mono_type (sig->ret));
4942 case MONO_TYPE_STRING:
4943 case MONO_TYPE_CLASS:
4944 case MONO_TYPE_ARRAY:
4945 case MONO_TYPE_SZARRAY:
4946 case MONO_TYPE_OBJECT:
4951 g_assert_not_reached ();
4954 mono_mb_emit_stloc (mb, 0);
4956 pos = mono_mb_emit_branch (mb, CEE_LEAVE);
4958 mono_loader_lock ();
4959 clause = mono_mempool_alloc0 (target_klass->image->mempool, sizeof (MonoExceptionClause));
4960 mono_loader_unlock ();
4961 clause->flags = MONO_EXCEPTION_CLAUSE_FILTER;
4962 clause->try_len = mb->pos;
4965 clause->data.filter_offset = mb->pos;
4967 mono_mb_emit_byte (mb, CEE_POP);
4968 mono_mb_emit_byte (mb, CEE_LDARG_2);
4969 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
4970 mono_mb_emit_byte (mb, CEE_PREFIX1);
4971 mono_mb_emit_byte (mb, CEE_CGT_UN);
4972 mono_mb_emit_byte (mb, CEE_PREFIX1);
4973 mono_mb_emit_byte (mb, CEE_ENDFILTER);
4975 clause->handler_offset = mb->pos;
4978 /* store exception */
4979 mono_mb_emit_stloc (mb, 1);
4981 mono_mb_emit_byte (mb, CEE_LDARG_2);
4982 mono_mb_emit_ldloc (mb, 1);
4983 mono_mb_emit_byte (mb, CEE_STIND_REF);
4985 mono_mb_emit_byte (mb, CEE_LDNULL);
4986 mono_mb_emit_stloc (mb, 0);
4988 /* Check for the abort exception */
4989 mono_mb_emit_ldloc (mb, 1);
4990 mono_mb_emit_op (mb, CEE_ISINST, mono_defaults.threadabortexception_class);
4991 posna = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
4993 /* Delay the abort exception */
4994 mono_mb_emit_native_call (mb, dealy_abort_sig, ves_icall_System_Threading_Thread_ResetAbort);
4996 mono_mb_patch_short_branch (mb, posna);
4997 mono_mb_emit_branch (mb, CEE_LEAVE);
4999 clause->handler_len = mb->pos - clause->handler_offset;
5002 mono_mb_patch_branch (mb, pos);
5003 mono_mb_emit_ldloc (mb, 0);
5004 mono_mb_emit_byte (mb, CEE_RET);
5006 /* taken from mono_mb_create_and_cache */
5007 mono_marshal_lock ();
5008 res = g_hash_table_lookup (cache, callsig);
5009 mono_marshal_unlock ();
5011 /* Somebody may have created it before us */
5014 newm = mono_mb_create_method (mb, csig, sig->param_count + 16);
5016 mono_marshal_lock ();
5017 res = g_hash_table_lookup (cache, callsig);
5020 g_hash_table_insert (cache, callsig, res);
5021 g_hash_table_insert (wrapper_hash, res, callsig);
5023 mono_free_method (newm);
5025 mono_marshal_unlock ();
5028 /* end mono_mb_create_and_cache */
5032 header = ((MonoMethodNormal *)res)->header;
5033 header->num_clauses = 1;
5034 header->clauses = clause;
5040 mono_mb_emit_auto_layout_exception (MonoMethodBuilder *mb, MonoClass *klass)
5042 char *msg = g_strdup_printf ("The type `%s.%s' layout needs to be Sequential or Explicit",
5043 klass->name_space, klass->name);
5045 mono_mb_emit_exception_marshal_directive (mb, msg);
5049 * mono_marshal_get_ldfld_remote_wrapper:
5050 * @klass: The return type
5052 * This method generates a wrapper for calling mono_load_remote_field_new with
5053 * the appropriate return type.
5056 mono_marshal_get_ldfld_remote_wrapper (MonoClass *klass)
5058 MonoMethodSignature *sig, *csig;
5059 MonoMethodBuilder *mb;
5064 cache = klass->image->ldfld_remote_wrapper_cache;
5065 if ((res = mono_marshal_find_in_cache (cache, klass)))
5069 * This wrapper is similar to an icall wrapper but all the wrappers
5070 * call the same C function, but with a different signature.
5072 name = g_strdup_printf ("__mono_load_remote_field_new_wrapper_%s.%s", klass->name_space, klass->name);
5073 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_LDFLD_REMOTE);
5076 mb->method->save_lmf = 1;
5078 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
5079 sig->params [0] = &mono_defaults.object_class->byval_arg;
5080 sig->params [1] = &mono_defaults.int_class->byval_arg;
5081 sig->params [2] = &mono_defaults.int_class->byval_arg;
5082 sig->ret = &klass->this_arg;
5084 mono_mb_emit_ldarg (mb, 0);
5085 mono_mb_emit_ldarg (mb, 1);
5086 mono_mb_emit_ldarg (mb, 2);
5088 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
5089 csig->params [0] = &mono_defaults.object_class->byval_arg;
5090 csig->params [1] = &mono_defaults.int_class->byval_arg;
5091 csig->params [2] = &mono_defaults.int_class->byval_arg;
5092 csig->ret = &klass->this_arg;
5095 mono_mb_emit_native_call (mb, csig, mono_load_remote_field_new);
5096 emit_thread_interrupt_checkpoint (mb);
5098 mono_mb_emit_byte (mb, CEE_RET);
5100 res = mono_mb_create_and_cache (cache, klass,
5101 mb, sig, sig->param_count + 16);
5108 * mono_marshal_get_ldfld_wrapper:
5109 * @type: the type of the field
5111 * This method generates a function which can be use to load a field with type
5112 * @type from an object. The generated function has the following signature:
5113 * <@type> ldfld_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset)
5116 mono_marshal_get_ldfld_wrapper (MonoType *type)
5118 MonoMethodSignature *sig;
5119 MonoMethodBuilder *mb;
5124 int t, pos0, pos1 = 0;
5126 type = mono_type_get_underlying_type (type);
5131 if (type->type == MONO_TYPE_SZARRAY) {
5132 klass = mono_defaults.array_class;
5133 } else if (type->type == MONO_TYPE_VALUETYPE) {
5134 klass = type->data.klass;
5135 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING) {
5136 klass = mono_defaults.object_class;
5137 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
5138 klass = mono_defaults.int_class;
5139 } else if (t == MONO_TYPE_GENERICINST) {
5140 if (mono_type_generic_inst_is_valuetype (type))
5141 klass = mono_class_from_mono_type (type);
5143 klass = mono_defaults.object_class;
5145 klass = mono_class_from_mono_type (type);
5148 klass = mono_defaults.int_class;
5151 cache = klass->image->ldfld_wrapper_cache;
5152 if ((res = mono_marshal_find_in_cache (cache, klass)))
5155 /* we add the %p pointer value of klass because class names are not unique */
5156 name = g_strdup_printf ("__ldfld_wrapper_%p_%s.%s", klass, klass->name_space, klass->name);
5157 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_LDFLD);
5160 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
5161 sig->params [0] = &mono_defaults.object_class->byval_arg;
5162 sig->params [1] = &mono_defaults.int_class->byval_arg;
5163 sig->params [2] = &mono_defaults.int_class->byval_arg;
5164 sig->params [3] = &mono_defaults.int_class->byval_arg;
5165 sig->ret = &klass->byval_arg;
5167 mono_mb_emit_ldarg (mb, 0);
5168 pos0 = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
5170 mono_mb_emit_ldarg (mb, 0);
5171 mono_mb_emit_ldarg (mb, 1);
5172 mono_mb_emit_ldarg (mb, 2);
5174 mono_mb_emit_managed_call (mb, mono_marshal_get_ldfld_remote_wrapper (klass), NULL);
5177 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
5178 csig->params [0] = &mono_defaults.object_class->byval_arg;
5179 csig->params [1] = &mono_defaults.int_class->byval_arg;
5180 csig->params [2] = &mono_defaults.int_class->byval_arg;
5181 csig->ret = &klass->this_arg;
5184 mono_mb_emit_native_call (mb, csig, mono_load_remote_field_new);
5185 emit_thread_interrupt_checkpoint (mb);
5188 if (klass->valuetype) {
5189 mono_mb_emit_op (mb, CEE_UNBOX, klass);
5190 pos1 = mono_mb_emit_branch (mb, CEE_BR);
5192 mono_mb_emit_byte (mb, CEE_RET);
5196 mono_mb_patch_branch (mb, pos0);
5198 mono_mb_emit_ldarg (mb, 0);
5199 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5200 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
5201 mono_mb_emit_ldarg (mb, 3);
5202 mono_mb_emit_byte (mb, CEE_ADD);
5204 if (klass->valuetype)
5205 mono_mb_patch_branch (mb, pos1);
5210 case MONO_TYPE_BOOLEAN:
5211 case MONO_TYPE_CHAR:
5220 case MONO_TYPE_ARRAY:
5221 case MONO_TYPE_SZARRAY:
5222 case MONO_TYPE_OBJECT:
5223 case MONO_TYPE_CLASS:
5224 case MONO_TYPE_STRING:
5228 case MONO_TYPE_FNPTR:
5229 mono_mb_emit_byte (mb, mono_type_to_ldind (type));
5231 case MONO_TYPE_VALUETYPE:
5232 g_assert (!klass->enumtype);
5233 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
5235 case MONO_TYPE_GENERICINST:
5236 if (mono_type_generic_inst_is_valuetype (type)) {
5237 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
5239 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5243 g_warning ("type %x not implemented", type->type);
5244 g_assert_not_reached ();
5247 mono_mb_emit_byte (mb, CEE_RET);
5249 res = mono_mb_create_and_cache (cache, klass,
5250 mb, sig, sig->param_count + 16);
5257 * mono_marshal_get_ldflda_wrapper:
5258 * @type: the type of the field
5260 * This method generates a function which can be used to load a field address
5261 * from an object. The generated function has the following signature:
5262 * gpointer ldflda_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset);
5265 mono_marshal_get_ldflda_wrapper (MonoType *type)
5267 MonoMethodSignature *sig;
5268 MonoMethodBuilder *mb;
5275 type = mono_type_get_underlying_type (type);
5279 if (type->type == MONO_TYPE_SZARRAY) {
5280 klass = mono_defaults.array_class;
5281 } else if (type->type == MONO_TYPE_VALUETYPE) {
5282 klass = type->data.klass;
5283 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING ||
5284 t == MONO_TYPE_CLASS) {
5285 klass = mono_defaults.object_class;
5286 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
5287 klass = mono_defaults.int_class;
5288 } else if (t == MONO_TYPE_GENERICINST) {
5289 if (mono_type_generic_inst_is_valuetype (type))
5290 klass = mono_class_from_mono_type (type);
5292 klass = mono_defaults.object_class;
5294 klass = mono_class_from_mono_type (type);
5297 klass = mono_defaults.int_class;
5300 cache = klass->image->ldflda_wrapper_cache;
5301 if ((res = mono_marshal_find_in_cache (cache, klass)))
5304 /* we add the %p pointer value of klass because class names are not unique */
5305 name = g_strdup_printf ("__ldflda_wrapper_%p_%s.%s", klass, klass->name_space, klass->name);
5306 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_LDFLDA);
5309 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
5310 sig->params [0] = &mono_defaults.object_class->byval_arg;
5311 sig->params [1] = &mono_defaults.int_class->byval_arg;
5312 sig->params [2] = &mono_defaults.int_class->byval_arg;
5313 sig->params [3] = &mono_defaults.int_class->byval_arg;
5314 sig->ret = &mono_defaults.int_class->byval_arg;
5316 mono_mb_emit_ldarg (mb, 0);
5317 pos0 = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
5319 /* FIXME: Only throw this if the object is in another appdomain */
5320 mono_mb_emit_exception_full (mb, "System", "InvalidOperationException", "Attempt to load field address from object in another appdomain.");
5322 mono_mb_patch_branch (mb, pos0);
5324 mono_mb_emit_ldarg (mb, 0);
5325 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5326 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
5327 mono_mb_emit_ldarg (mb, 3);
5328 mono_mb_emit_byte (mb, CEE_ADD);
5330 mono_mb_emit_byte (mb, CEE_RET);
5332 res = mono_mb_create_and_cache (cache, klass,
5333 mb, sig, sig->param_count + 16);
5340 * mono_marshal_get_stfld_remote_wrapper:
5341 * klass: The type of the field
5343 * This function generates a wrapper for calling mono_store_remote_field_new
5344 * with the appropriate signature.
5347 mono_marshal_get_stfld_remote_wrapper (MonoClass *klass)
5349 MonoMethodSignature *sig, *csig;
5350 MonoMethodBuilder *mb;
5355 cache = klass->image->stfld_remote_wrapper_cache;
5356 if ((res = mono_marshal_find_in_cache (cache, klass)))
5359 name = g_strdup_printf ("__mono_store_remote_field_new_wrapper_%s.%s", klass->name_space, klass->name);
5360 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_STFLD_REMOTE);
5363 mb->method->save_lmf = 1;
5365 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
5366 sig->params [0] = &mono_defaults.object_class->byval_arg;
5367 sig->params [1] = &mono_defaults.int_class->byval_arg;
5368 sig->params [2] = &mono_defaults.int_class->byval_arg;
5369 sig->params [3] = &klass->byval_arg;
5370 sig->ret = &mono_defaults.void_class->byval_arg;
5372 mono_mb_emit_ldarg (mb, 0);
5373 mono_mb_emit_ldarg (mb, 1);
5374 mono_mb_emit_ldarg (mb, 2);
5375 mono_mb_emit_ldarg (mb, 3);
5377 if (klass->valuetype)
5378 mono_mb_emit_op (mb, CEE_BOX, klass);
5380 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
5381 csig->params [0] = &mono_defaults.object_class->byval_arg;
5382 csig->params [1] = &mono_defaults.int_class->byval_arg;
5383 csig->params [2] = &mono_defaults.int_class->byval_arg;
5384 csig->params [3] = &klass->byval_arg;
5385 csig->ret = &mono_defaults.void_class->byval_arg;
5388 mono_mb_emit_native_call (mb, csig, mono_store_remote_field_new);
5389 emit_thread_interrupt_checkpoint (mb);
5391 mono_mb_emit_byte (mb, CEE_RET);
5393 res = mono_mb_create_and_cache (cache, klass,
5394 mb, sig, sig->param_count + 16);
5401 * mono_marshal_get_stfld_wrapper:
5402 * @type: the type of the field
5404 * This method generates a function which can be use to store a field with type
5405 * @type. The generated function has the following signature:
5406 * void stfld_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset, <@type> val)
5409 mono_marshal_get_stfld_wrapper (MonoType *type)
5411 MonoMethodSignature *sig;
5412 MonoMethodBuilder *mb;
5419 type = mono_type_get_underlying_type (type);
5423 if (type->type == MONO_TYPE_SZARRAY) {
5424 klass = mono_defaults.array_class;
5425 } else if (type->type == MONO_TYPE_VALUETYPE) {
5426 klass = type->data.klass;
5427 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING) {
5428 klass = mono_defaults.object_class;
5429 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
5430 klass = mono_defaults.int_class;
5431 } else if (t == MONO_TYPE_GENERICINST) {
5432 if (mono_type_generic_inst_is_valuetype (type))
5433 klass = mono_class_from_mono_type (type);
5435 klass = mono_defaults.object_class;
5437 klass = mono_class_from_mono_type (type);
5440 klass = mono_defaults.int_class;
5443 cache = klass->image->stfld_wrapper_cache;
5444 if ((res = mono_marshal_find_in_cache (cache, klass)))
5447 /* we add the %p pointer value of klass because class names are not unique */
5448 name = g_strdup_printf ("__stfld_wrapper_%p_%s.%s", klass, klass->name_space, klass->name);
5449 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_STFLD);
5452 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 5);
5453 sig->params [0] = &mono_defaults.object_class->byval_arg;
5454 sig->params [1] = &mono_defaults.int_class->byval_arg;
5455 sig->params [2] = &mono_defaults.int_class->byval_arg;
5456 sig->params [3] = &mono_defaults.int_class->byval_arg;
5457 sig->params [4] = &klass->byval_arg;
5458 sig->ret = &mono_defaults.void_class->byval_arg;
5460 mono_mb_emit_ldarg (mb, 0);
5461 pos = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
5463 mono_mb_emit_ldarg (mb, 0);
5464 mono_mb_emit_ldarg (mb, 1);
5465 mono_mb_emit_ldarg (mb, 2);
5466 mono_mb_emit_ldarg (mb, 4);
5468 mono_mb_emit_managed_call (mb, mono_marshal_get_stfld_remote_wrapper (klass), NULL);
5470 mono_mb_emit_byte (mb, CEE_RET);
5472 mono_mb_patch_branch (mb, pos);
5474 mono_mb_emit_ldarg (mb, 0);
5475 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5476 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
5477 mono_mb_emit_ldarg (mb, 3);
5478 mono_mb_emit_byte (mb, CEE_ADD);
5479 mono_mb_emit_ldarg (mb, 4);
5484 case MONO_TYPE_BOOLEAN:
5485 case MONO_TYPE_CHAR:
5494 case MONO_TYPE_ARRAY:
5495 case MONO_TYPE_SZARRAY:
5496 case MONO_TYPE_OBJECT:
5497 case MONO_TYPE_CLASS:
5498 case MONO_TYPE_STRING:
5502 case MONO_TYPE_FNPTR:
5503 mono_mb_emit_byte (mb, mono_type_to_stind (type));
5505 case MONO_TYPE_VALUETYPE:
5506 g_assert (!klass->enumtype);
5507 mono_mb_emit_op (mb, CEE_STOBJ, klass);
5509 case MONO_TYPE_GENERICINST:
5510 mono_mb_emit_op (mb, CEE_STOBJ, klass);
5513 g_warning ("type %x not implemented", type->type);
5514 g_assert_not_reached ();
5517 mono_mb_emit_byte (mb, CEE_RET);
5519 res = mono_mb_create_and_cache (cache, klass,
5520 mb, sig, sig->param_count + 16);
5527 * generates IL code for the icall wrapper (the generated method
5528 * calls the unmanaged code in func)
5531 mono_marshal_get_icall_wrapper (MonoMethodSignature *sig, const char *name, gconstpointer func)
5533 MonoMethodSignature *csig;
5534 MonoMethodBuilder *mb;
5538 g_assert (sig->pinvoke);
5540 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_MANAGED_TO_NATIVE);
5542 mb->method->save_lmf = 1;
5544 /* we copy the signature, so that we can modify it */
5547 mono_mb_emit_byte (mb, CEE_LDARG_0);
5549 for (i = 0; i < sig->param_count; i++)
5550 mono_mb_emit_ldarg (mb, i + sig->hasthis);
5552 mono_mb_emit_native_call (mb, sig, (gpointer) func);
5553 emit_thread_interrupt_checkpoint (mb);
5554 mono_mb_emit_byte (mb, CEE_RET);
5556 csig = signature_dup (mono_defaults.corlib, sig);
5558 if (csig->call_convention == MONO_CALL_VARARG)
5559 csig->call_convention = 0;
5561 res = mono_mb_create_method (mb, csig, csig->param_count + 16);
5568 MonoMethodBuilder *mb;
5569 MonoMethodSignature *sig;
5570 MonoMethodPInvoke *piinfo;
5571 int *orig_conv_args; /* Locals containing the original values of byref args */
5573 MonoClass *retobj_class;
5574 MonoMethodSignature *csig; /* Might need to be changed due to MarshalAs directives */
5575 MonoImage *image; /* The image to use for looking up custom marshallers */
5576 } EmitMarshalContext;
5580 * This is invoked to convert arguments from the current types to
5581 * the underlying types expected by the platform routine. If required,
5582 * the methods create a temporary variable with the proper type, and return
5583 * the location for it (either the passed argument, or the newly allocated
5586 MARSHAL_ACTION_CONV_IN,
5589 * This operation is called to push the actual value that was optionally
5590 * converted on the first stage
5592 MARSHAL_ACTION_PUSH,
5595 * Convert byref arguments back or free resources allocated during the
5598 MARSHAL_ACTION_CONV_OUT,
5601 * The result from the unmanaged call is at the top of the stack when
5602 * this action is invoked. The result should be stored in the
5603 * third local variable slot.
5605 MARSHAL_ACTION_CONV_RESULT,
5607 MARSHAL_ACTION_MANAGED_CONV_IN,
5608 MARSHAL_ACTION_MANAGED_CONV_OUT,
5609 MARSHAL_ACTION_MANAGED_CONV_RESULT
5613 emit_marshal_custom (EmitMarshalContext *m, int argnum, MonoType *t,
5614 MonoMarshalSpec *spec,
5615 int conv_arg, MonoType **conv_arg_type,
5616 MarshalAction action)
5620 static MonoClass *ICustomMarshaler = NULL;
5621 static MonoMethod *cleanup_native, *cleanup_managed;
5622 static MonoMethod *marshal_managed_to_native, *marshal_native_to_managed;
5623 MonoMethod *get_instance;
5624 MonoMethodBuilder *mb = m->mb;
5625 char *exception_msg = NULL;
5629 if (!ICustomMarshaler) {
5630 ICustomMarshaler = mono_class_from_name (mono_defaults.corlib, "System.Runtime.InteropServices", "ICustomMarshaler");
5631 g_assert (ICustomMarshaler);
5633 cleanup_native = mono_class_get_method_from_name (ICustomMarshaler, "CleanUpNativeData", 1);
5634 g_assert (cleanup_native);
5635 cleanup_managed = mono_class_get_method_from_name (ICustomMarshaler, "CleanUpManagedData", 1);
5636 g_assert (cleanup_managed);
5637 marshal_managed_to_native = mono_class_get_method_from_name (ICustomMarshaler, "MarshalManagedToNative", 1);
5638 g_assert (marshal_managed_to_native);
5639 marshal_native_to_managed = mono_class_get_method_from_name (ICustomMarshaler, "MarshalNativeToManaged", 1);
5640 g_assert (marshal_native_to_managed);
5643 mtype = mono_reflection_type_from_name (spec->data.custom_data.custom_name, m->image);
5644 g_assert (mtype != NULL);
5645 mklass = mono_class_from_mono_type (mtype);
5646 g_assert (mklass != NULL);
5648 if (!mono_class_is_assignable_from (ICustomMarshaler, mklass))
5649 exception_msg = g_strdup_printf ("Custom marshaler '%s' does not implement the ICustomMarshaler interface.", mklass->name);
5651 get_instance = mono_class_get_method_from_name_flags (mklass, "GetInstance", 1, METHOD_ATTRIBUTE_STATIC);
5653 MonoMethodSignature *get_sig = mono_method_signature (get_instance);
5654 if ((get_sig->ret->type != MONO_TYPE_CLASS) ||
5655 (mono_class_from_mono_type (get_sig->ret) != ICustomMarshaler) ||
5656 (get_sig->params [0]->type != MONO_TYPE_STRING))
5657 get_instance = NULL;
5661 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);
5663 /* Throw exception and emit compensation code if neccesary */
5664 if (exception_msg) {
5666 case MARSHAL_ACTION_CONV_IN:
5667 case MARSHAL_ACTION_CONV_RESULT:
5668 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
5669 if ((action == MARSHAL_ACTION_CONV_RESULT) || (action == MARSHAL_ACTION_MANAGED_CONV_RESULT))
5670 mono_mb_emit_byte (mb, CEE_POP);
5672 mono_mb_emit_exception_full (mb, "System", "ApplicationException", exception_msg);
5673 g_free (exception_msg);
5676 case MARSHAL_ACTION_PUSH:
5677 mono_mb_emit_byte (mb, CEE_LDNULL);
5685 /* FIXME: MS.NET seems to create one instance for each klass + cookie pair */
5686 /* FIXME: MS.NET throws an exception if GetInstance returns null */
5689 case MARSHAL_ACTION_CONV_IN:
5691 case MONO_TYPE_CLASS:
5692 case MONO_TYPE_OBJECT:
5693 case MONO_TYPE_STRING:
5694 case MONO_TYPE_ARRAY:
5695 case MONO_TYPE_SZARRAY:
5696 case MONO_TYPE_VALUETYPE:
5700 g_warning ("custom marshalling of type %x is currently not supported", t->type);
5701 g_assert_not_reached ();
5705 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5707 mono_mb_emit_byte (mb, CEE_LDNULL);
5708 mono_mb_emit_stloc (mb, conv_arg);
5710 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT))
5713 /* Minic MS.NET behavior */
5714 if (!t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT) && !(t->attrs & PARAM_ATTRIBUTE_IN))
5717 /* Check for null */
5718 mono_mb_emit_ldarg (mb, argnum);
5720 mono_mb_emit_byte (mb, CEE_LDIND_I);
5721 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5723 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5725 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5727 mono_mb_emit_ldarg (mb, argnum);
5729 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5731 if (t->type == MONO_TYPE_VALUETYPE) {
5733 * Since we can't determine the type of the argument, we
5734 * will assume the unmanaged function takes a pointer.
5736 *conv_arg_type = &mono_defaults.int_class->byval_arg;
5738 mono_mb_emit_op (mb, CEE_BOX, mono_class_from_mono_type (t));
5741 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_managed_to_native);
5742 mono_mb_emit_stloc (mb, conv_arg);
5744 mono_mb_patch_branch (mb, pos2);
5747 case MARSHAL_ACTION_CONV_OUT:
5748 /* Check for null */
5749 mono_mb_emit_ldloc (mb, conv_arg);
5750 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5753 mono_mb_emit_ldarg (mb, argnum);
5755 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5757 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5759 mono_mb_emit_ldloc (mb, conv_arg);
5760 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
5761 mono_mb_emit_byte (mb, CEE_STIND_REF);
5762 } else if (t->attrs &PARAM_ATTRIBUTE_OUT) {
5763 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5765 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5767 mono_mb_emit_ldloc (mb, conv_arg);
5768 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
5770 /* We have nowhere to store the result */
5771 mono_mb_emit_byte (mb, CEE_POP);
5774 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5776 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5778 mono_mb_emit_ldloc (mb, conv_arg);
5780 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_native);
5782 mono_mb_patch_branch (mb, pos2);
5785 case MARSHAL_ACTION_PUSH:
5787 mono_mb_emit_ldloc_addr (mb, conv_arg);
5789 mono_mb_emit_ldloc (mb, conv_arg);
5792 case MARSHAL_ACTION_CONV_RESULT:
5793 loc1 = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5795 mono_mb_emit_stloc (mb, 3);
5797 mono_mb_emit_ldloc (mb, 3);
5798 mono_mb_emit_stloc (mb, loc1);
5800 /* Check for null */
5801 mono_mb_emit_ldloc (mb, 3);
5802 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5804 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5806 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5807 mono_mb_emit_byte (mb, CEE_DUP);
5809 mono_mb_emit_ldloc (mb, 3);
5810 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
5811 mono_mb_emit_stloc (mb, 3);
5813 mono_mb_emit_ldloc (mb, loc1);
5814 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_native);
5816 mono_mb_patch_branch (mb, pos2);
5819 case MARSHAL_ACTION_MANAGED_CONV_IN:
5820 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
5822 mono_mb_emit_byte (mb, CEE_LDNULL);
5823 mono_mb_emit_stloc (mb, conv_arg);
5825 /* Check for null */
5826 mono_mb_emit_ldarg (mb, argnum);
5828 mono_mb_emit_byte (mb, CEE_LDIND_I);
5829 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5831 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5832 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5834 mono_mb_emit_ldarg (mb, argnum);
5836 mono_mb_emit_byte (mb, CEE_LDIND_I);
5838 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
5839 mono_mb_emit_stloc (mb, conv_arg);
5841 mono_mb_patch_branch (mb, pos2);
5844 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
5845 g_assert (!t->byref);
5847 loc1 = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
5849 mono_mb_emit_stloc (mb, 3);
5851 mono_mb_emit_ldloc (mb, 3);
5852 mono_mb_emit_stloc (mb, loc1);
5854 /* Check for null */
5855 mono_mb_emit_ldloc (mb, 3);
5856 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5858 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5859 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5860 mono_mb_emit_byte (mb, CEE_DUP);
5862 mono_mb_emit_ldloc (mb, 3);
5863 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_managed_to_native);
5864 mono_mb_emit_stloc (mb, 3);
5866 mono_mb_emit_ldloc (mb, loc1);
5867 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_managed);
5869 mono_mb_patch_branch (mb, pos2);
5872 case MARSHAL_ACTION_MANAGED_CONV_OUT:
5874 /* Check for null */
5875 mono_mb_emit_ldloc (mb, conv_arg);
5876 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5879 mono_mb_emit_ldarg (mb, argnum);
5881 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5883 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5885 mono_mb_emit_ldloc (mb, conv_arg);
5886 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_managed_to_native);
5887 mono_mb_emit_byte (mb, CEE_STIND_I);
5890 /* Call CleanUpManagedData */
5891 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5893 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5895 mono_mb_emit_ldloc (mb, conv_arg);
5896 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_managed);
5898 mono_mb_patch_branch (mb, pos2);
5902 g_assert_not_reached ();
5909 emit_marshal_asany (EmitMarshalContext *m, int argnum, MonoType *t,
5910 MonoMarshalSpec *spec,
5911 int conv_arg, MonoType **conv_arg_type,
5912 MarshalAction action)
5914 MonoMethodBuilder *mb = m->mb;
5917 case MARSHAL_ACTION_CONV_IN: {
5918 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, NULL);
5920 g_assert (t->type == MONO_TYPE_OBJECT);
5921 g_assert (!t->byref);
5923 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5924 mono_mb_emit_ldarg (mb, argnum);
5925 mono_mb_emit_icon (mb, encoding);
5926 mono_mb_emit_icon (mb, t->attrs);
5927 mono_mb_emit_icall (mb, mono_marshal_asany);
5928 mono_mb_emit_stloc (mb, conv_arg);
5932 case MARSHAL_ACTION_PUSH:
5933 mono_mb_emit_ldloc (mb, conv_arg);
5936 case MARSHAL_ACTION_CONV_OUT: {
5937 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, NULL);
5939 mono_mb_emit_ldarg (mb, argnum);
5940 mono_mb_emit_ldloc (mb, conv_arg);
5941 mono_mb_emit_icon (mb, encoding);
5942 mono_mb_emit_icon (mb, t->attrs);
5943 mono_mb_emit_icall (mb, mono_marshal_free_asany);
5948 g_assert_not_reached ();
5955 emit_marshal_vtype (EmitMarshalContext *m, int argnum, MonoType *t,
5956 MonoMarshalSpec *spec,
5957 int conv_arg, MonoType **conv_arg_type,
5958 MarshalAction action)
5960 MonoMethodBuilder *mb = m->mb;
5964 klass = t->data.klass;
5967 case MARSHAL_ACTION_CONV_IN:
5968 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
5969 klass->blittable || klass->enumtype)
5972 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5974 /* store the address of the source into local variable 0 */
5976 mono_mb_emit_ldarg (mb, argnum);
5978 mono_mb_emit_ldarg_addr (mb, argnum);
5980 mono_mb_emit_stloc (mb, 0);
5982 /* allocate space for the native struct and
5983 * store the address into local variable 1 (dest) */
5984 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
5985 mono_mb_emit_byte (mb, CEE_PREFIX1);
5986 mono_mb_emit_byte (mb, CEE_LOCALLOC);
5987 mono_mb_emit_stloc (mb, conv_arg);
5990 mono_mb_emit_ldloc (mb, 0);
5991 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
5994 if (!(t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && (t->attrs & PARAM_ATTRIBUTE_OUT))) {
5996 mono_mb_emit_ldloc (mb, conv_arg);
5997 mono_mb_emit_stloc (mb, 1);
5999 /* emit valuetype conversion code */
6000 emit_struct_conv (mb, klass, FALSE);
6004 mono_mb_patch_branch (mb, pos);
6007 case MARSHAL_ACTION_PUSH:
6008 if (spec && spec->native == MONO_NATIVE_LPSTRUCT) {
6010 g_assert (!t->byref);
6012 /* Have to change the signature since the vtype is passed byref */
6013 m->csig->params [argnum - m->csig->hasthis] = &mono_defaults.int_class->byval_arg;
6015 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6016 klass->blittable || klass->enumtype)
6017 mono_mb_emit_ldarg_addr (mb, argnum);
6019 mono_mb_emit_ldloc (mb, conv_arg);
6023 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6024 klass->blittable || klass->enumtype) {
6025 mono_mb_emit_ldarg (mb, argnum);
6028 mono_mb_emit_ldloc (mb, conv_arg);
6030 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6031 mono_mb_emit_op (mb, CEE_MONO_LDNATIVEOBJ, klass);
6035 case MARSHAL_ACTION_CONV_OUT:
6036 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6037 klass->blittable || klass->enumtype)
6041 /* dst = argument */
6042 mono_mb_emit_ldarg (mb, argnum);
6043 mono_mb_emit_stloc (mb, 1);
6045 mono_mb_emit_ldloc (mb, 1);
6046 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6048 if (!((t->attrs & PARAM_ATTRIBUTE_IN) && !(t->attrs & PARAM_ATTRIBUTE_OUT))) {
6049 /* src = tmp_locals [i] */
6050 mono_mb_emit_ldloc (mb, conv_arg);
6051 mono_mb_emit_stloc (mb, 0);
6053 /* emit valuetype conversion code */
6054 emit_struct_conv (mb, klass, TRUE);
6058 emit_struct_free (mb, klass, conv_arg);
6061 mono_mb_patch_branch (mb, pos);
6064 case MARSHAL_ACTION_CONV_RESULT:
6065 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6067 mono_mb_emit_stloc (mb, 3);
6070 /* load pointer to returned value type */
6071 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6072 mono_mb_emit_byte (mb, CEE_MONO_VTADDR);
6073 /* store the address of the source into local variable 0 */
6074 mono_mb_emit_stloc (mb, 0);
6076 mono_mb_emit_ldloc_addr (mb, 3);
6077 mono_mb_emit_stloc (mb, 1);
6079 /* emit valuetype conversion code */
6080 emit_struct_conv (mb, klass, TRUE);
6083 case MARSHAL_ACTION_MANAGED_CONV_IN:
6084 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6085 klass->blittable || klass->enumtype) {
6090 conv_arg = mono_mb_add_local (mb, &klass->byval_arg);
6092 if (t->attrs & PARAM_ATTRIBUTE_OUT)
6096 mono_mb_emit_ldarg (mb, argnum);
6098 mono_mb_emit_ldarg_addr (mb, argnum);
6099 mono_mb_emit_stloc (mb, 0);
6102 mono_mb_emit_ldloc (mb, 0);
6103 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6106 mono_mb_emit_ldloc_addr (mb, conv_arg);
6107 mono_mb_emit_stloc (mb, 1);
6109 /* emit valuetype conversion code */
6110 emit_struct_conv (mb, klass, TRUE);
6113 mono_mb_patch_branch (mb, pos);
6116 case MARSHAL_ACTION_MANAGED_CONV_OUT:
6117 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6118 klass->blittable || klass->enumtype) {
6122 /* Check for null */
6123 mono_mb_emit_ldarg (mb, argnum);
6124 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6127 mono_mb_emit_ldloc_addr (mb, conv_arg);
6128 mono_mb_emit_stloc (mb, 0);
6131 mono_mb_emit_ldarg (mb, argnum);
6132 mono_mb_emit_stloc (mb, 1);
6134 /* emit valuetype conversion code */
6135 emit_struct_conv (mb, klass, FALSE);
6137 mono_mb_patch_branch (mb, pos2);
6140 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
6141 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6142 klass->blittable || klass->enumtype) {
6143 mono_mb_emit_stloc (mb, 3);
6148 /* load pointer to returned value type */
6149 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6150 mono_mb_emit_byte (mb, CEE_MONO_VTADDR);
6152 /* store the address of the source into local variable 0 */
6153 mono_mb_emit_stloc (mb, 0);
6154 /* allocate space for the native struct and
6155 * store the address into dst_ptr */
6156 m->retobj_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6157 m->retobj_class = klass;
6158 g_assert (m->retobj_var);
6159 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
6160 mono_mb_emit_byte (mb, CEE_CONV_I);
6161 mono_mb_emit_icall (mb, mono_marshal_alloc);
6162 mono_mb_emit_stloc (mb, 1);
6163 mono_mb_emit_ldloc (mb, 1);
6164 mono_mb_emit_stloc (mb, m->retobj_var);
6166 /* emit valuetype conversion code */
6167 emit_struct_conv (mb, klass, FALSE);
6171 g_assert_not_reached ();
6178 emit_marshal_string (EmitMarshalContext *m, int argnum, MonoType *t,
6179 MonoMarshalSpec *spec,
6180 int conv_arg, MonoType **conv_arg_type,
6181 MarshalAction action)
6183 MonoMethodBuilder *mb = m->mb;
6184 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
6185 MonoMarshalConv conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
6189 case MARSHAL_ACTION_CONV_IN:
6190 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6191 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6194 if (t->attrs & PARAM_ATTRIBUTE_OUT)
6197 mono_mb_emit_ldarg (mb, argnum);
6198 mono_mb_emit_byte (mb, CEE_LDIND_I);
6200 mono_mb_emit_ldarg (mb, argnum);
6204 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
6205 MonoException *exc = mono_get_exception_not_implemented (msg);
6208 mono_raise_exception (exc);
6211 mono_mb_emit_icall (mb, conv_to_icall (conv));
6213 mono_mb_emit_stloc (mb, conv_arg);
6216 case MARSHAL_ACTION_CONV_OUT:
6217 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT)) {
6218 mono_mb_emit_ldarg (mb, argnum);
6219 mono_mb_emit_ldloc (mb, conv_arg);
6220 if (conv == MONO_MARSHAL_CONV_STR_BSTR) {
6221 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_BSTR_STR));
6222 // BSTRs always need freed
6223 mono_mb_emit_ldloc (mb, conv_arg);
6224 mono_mb_emit_icall (mb, mono_free_bstr);
6227 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_LPSTR_STR));
6228 mono_mb_emit_byte (mb, CEE_STIND_REF);
6230 if (mono_marshal_need_free (t, m->piinfo, spec)) {
6231 mono_mb_emit_ldloc (mb, conv_arg);
6232 if (conv == MONO_MARSHAL_CONV_STR_BSTR)
6233 mono_mb_emit_icall (mb, mono_free_bstr);
6235 mono_mb_emit_icall (mb, mono_marshal_free);
6240 case MARSHAL_ACTION_PUSH:
6242 mono_mb_emit_ldloc_addr (mb, conv_arg);
6244 mono_mb_emit_ldloc (mb, conv_arg);
6247 case MARSHAL_ACTION_CONV_RESULT:
6248 mono_mb_emit_stloc (mb, 0);
6250 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
6252 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
6253 mono_mb_emit_exception_marshal_directive (mb, msg);
6257 mono_mb_emit_ldloc (mb, 0);
6258 mono_mb_emit_icall (mb, conv_to_icall (conv));
6259 mono_mb_emit_stloc (mb, 3);
6261 /* free the string */
6262 mono_mb_emit_ldloc (mb, 0);
6263 if (conv == MONO_MARSHAL_CONV_BSTR_STR)
6264 mono_mb_emit_icall (mb, mono_free_bstr);
6266 mono_mb_emit_icall (mb, g_free);
6269 case MARSHAL_ACTION_MANAGED_CONV_IN:
6275 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
6276 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6278 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
6280 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
6281 mono_mb_emit_exception_marshal_directive (mb, msg);
6285 mono_mb_emit_ldarg (mb, argnum);
6286 mono_mb_emit_icall (mb, conv_to_icall (conv));
6287 mono_mb_emit_stloc (mb, conv_arg);
6290 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
6291 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_STR_LPSTR));
6292 mono_mb_emit_stloc (mb, 3);
6296 g_assert_not_reached ();
6303 emit_marshal_safehandle (EmitMarshalContext *m, int argnum, MonoType *t,
6304 MonoMarshalSpec *spec, int conv_arg,
6305 MonoType **conv_arg_type, MarshalAction action)
6307 MonoMethodBuilder *mb = m->mb;
6310 case MARSHAL_ACTION_CONV_IN: {
6311 MonoType *intptr_type;
6312 int dar_release_slot, pos;
6314 intptr_type = &mono_defaults.int_class->byval_arg;
6315 conv_arg = mono_mb_add_local (mb, intptr_type);
6316 *conv_arg_type = intptr_type;
6318 if (!sh_dangerous_add_ref)
6319 init_safe_handle ();
6321 mono_mb_emit_ldarg (mb, argnum);
6322 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
6323 mono_mb_emit_exception (mb, "ArgumentNullException", NULL);
6325 mono_mb_patch_branch (mb, pos);
6328 * My tests in show that ref SafeHandles are not really
6329 * passed as ref objects. Instead a NULL is passed as the
6332 mono_mb_emit_icon (mb, 0);
6333 mono_mb_emit_stloc (mb, conv_arg);
6337 /* Create local to hold the ref parameter to DangerousAddRef */
6338 dar_release_slot = mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
6340 /* set release = false; */
6341 mono_mb_emit_icon (mb, 0);
6342 mono_mb_emit_stloc (mb, dar_release_slot);
6344 /* safehandle.DangerousAddRef (ref release) */
6345 mono_mb_emit_ldarg (mb, argnum);
6346 mono_mb_emit_ldloc_addr (mb, dar_release_slot);
6347 mono_mb_emit_managed_call (mb, sh_dangerous_add_ref, NULL);
6349 /* Pull the handle field from SafeHandle */
6350 mono_mb_emit_ldarg (mb, argnum);
6351 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoSafeHandle, handle));
6352 mono_mb_emit_byte (mb, CEE_LDIND_I);
6353 mono_mb_emit_stloc (mb, conv_arg);
6358 case MARSHAL_ACTION_PUSH:
6360 mono_mb_emit_ldloc_addr (mb, conv_arg);
6362 mono_mb_emit_ldloc (mb, conv_arg);
6365 case MARSHAL_ACTION_CONV_OUT: {
6366 /* The slot for the boolean is the next temporary created after conv_arg, see the CONV_IN code */
6367 int dar_release_slot = conv_arg + 1;
6370 if (!sh_dangerous_release)
6371 init_safe_handle ();
6377 * My tests indicate that ref SafeHandles parameters are not actually
6378 * passed by ref, but instead a new Handle is created regardless of
6379 * whether a change happens in the unmanaged side.
6381 * Also, the Handle is created before calling into unmanaged code,
6382 * but we do not support that mechanism (getting to the original
6383 * handle) and it makes no difference where we create this
6385 ctor = mono_class_get_method_from_name (t->data.klass, ".ctor", 0);
6387 mono_mb_emit_exception (mb, "MissingMethodException", "paramterless constructor required");
6390 /* refval = new SafeHandleDerived ()*/
6391 mono_mb_emit_ldarg (mb, argnum);
6392 mono_mb_emit_op (mb, CEE_NEWOBJ, ctor);
6393 mono_mb_emit_byte (mb, CEE_STIND_REF);
6395 /* refval.handle = returned_handle */
6396 mono_mb_emit_ldarg (mb, argnum);
6397 mono_mb_emit_byte (mb, CEE_LDIND_REF);
6398 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoSafeHandle, handle));
6399 mono_mb_emit_ldloc (mb, conv_arg);
6400 mono_mb_emit_byte (mb, CEE_STIND_I);
6402 mono_mb_emit_ldloc (mb, dar_release_slot);
6403 label_next = mono_mb_emit_branch (mb, CEE_BRFALSE);
6404 mono_mb_emit_ldarg (mb, argnum);
6405 mono_mb_emit_managed_call (mb, sh_dangerous_release, NULL);
6406 mono_mb_patch_addr (mb, label_next, mb->pos - (label_next + 4));
6411 case MARSHAL_ACTION_CONV_RESULT: {
6412 MonoMethod *ctor = NULL;
6413 int intptr_handle_slot;
6415 if (t->data.klass->flags & TYPE_ATTRIBUTE_ABSTRACT){
6416 mono_mb_emit_byte (mb, CEE_POP);
6417 mono_mb_emit_exception_marshal_directive (mb, "Returned SafeHandles should not be abstract");
6421 ctor = mono_class_get_method_from_name (t->data.klass, ".ctor", 0);
6423 mono_mb_emit_byte (mb, CEE_POP);
6424 mono_mb_emit_exception (mb, "MissingMethodException", "paramterless constructor required");
6427 /* Store the IntPtr results into a local */
6428 intptr_handle_slot = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6429 mono_mb_emit_stloc (mb, intptr_handle_slot);
6431 /* Create return value */
6432 mono_mb_emit_op (mb, CEE_NEWOBJ, ctor);
6433 mono_mb_emit_stloc (mb, 3);
6435 /* Set the return.handle to the value, am using ldflda, not sure if thats a good idea */
6436 mono_mb_emit_ldloc (mb, 3);
6437 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoSafeHandle, handle));
6438 mono_mb_emit_ldloc (mb, intptr_handle_slot);
6439 mono_mb_emit_byte (mb, CEE_STIND_I);
6443 case MARSHAL_ACTION_MANAGED_CONV_IN:
6444 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_IN\n");
6447 case MARSHAL_ACTION_MANAGED_CONV_OUT:
6448 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_OUT\n");
6451 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
6452 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_RESULT\n");
6455 printf ("Unhandled case for MarshalAction: %d\n", action);
6462 emit_marshal_handleref (EmitMarshalContext *m, int argnum, MonoType *t,
6463 MonoMarshalSpec *spec, int conv_arg,
6464 MonoType **conv_arg_type, MarshalAction action)
6466 MonoMethodBuilder *mb = m->mb;
6469 case MARSHAL_ACTION_CONV_IN: {
6470 MonoType *intptr_type;
6472 intptr_type = &mono_defaults.int_class->byval_arg;
6473 conv_arg = mono_mb_add_local (mb, intptr_type);
6474 *conv_arg_type = intptr_type;
6477 mono_mb_emit_exception_marshal_directive (mb,
6478 "HandleRefs can not be returned from unmanaged code (or passed by ref)");
6481 mono_mb_emit_ldarg (mb, argnum);
6482 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoHandleRef, handle));
6483 mono_mb_emit_byte (mb, CEE_LDIND_I);
6484 mono_mb_emit_stloc (mb, conv_arg);
6488 case MARSHAL_ACTION_PUSH:
6489 mono_mb_emit_ldloc (mb, conv_arg);
6492 case MARSHAL_ACTION_CONV_OUT: {
6493 /* no resource release required */
6497 case MARSHAL_ACTION_CONV_RESULT: {
6498 mono_mb_emit_exception_marshal_directive (mb,
6499 "HandleRefs can not be returned from unmanaged code (or passed by ref)");
6503 case MARSHAL_ACTION_MANAGED_CONV_IN:
6504 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_IN\n");
6507 case MARSHAL_ACTION_MANAGED_CONV_OUT:
6508 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_OUT\n");
6511 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
6512 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_RESULT\n");
6515 fprintf (stderr, "Unhandled case for MarshalAction: %d\n", action);
6522 emit_marshal_object (EmitMarshalContext *m, int argnum, MonoType *t,
6523 MonoMarshalSpec *spec,
6524 int conv_arg, MonoType **conv_arg_type,
6525 MarshalAction action)
6527 MonoMethodBuilder *mb = m->mb;
6528 MonoClass *klass = t->data.klass;
6531 if (mono_class_from_mono_type (t) == mono_defaults.object_class) {
6532 mono_raise_exception (mono_get_exception_not_implemented ("Marshalling of type object is not implemented"));
6536 case MARSHAL_ACTION_CONV_IN:
6537 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6538 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6540 m->orig_conv_args [argnum] = 0;
6542 if (klass->delegate) {
6543 g_assert (!t->byref);
6544 mono_mb_emit_ldarg (mb, argnum);
6545 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_DEL_FTN));
6546 mono_mb_emit_stloc (mb, conv_arg);
6547 } else if (klass == mono_defaults.stringbuilder_class) {
6548 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
6549 MonoMarshalConv conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
6551 g_assert (!t->byref);
6552 mono_mb_emit_ldarg (mb, argnum);
6555 mono_mb_emit_icall (mb, conv_to_icall (conv));
6557 char *msg = g_strdup_printf ("stringbuilder marshalling conversion %d not implemented", encoding);
6558 MonoException *exc = mono_get_exception_not_implemented (msg);
6561 mono_raise_exception (exc);
6564 mono_mb_emit_stloc (mb, conv_arg);
6565 } else if (klass->blittable) {
6566 mono_mb_emit_byte (mb, CEE_LDNULL);
6567 mono_mb_emit_stloc (mb, conv_arg);
6569 mono_mb_emit_ldarg (mb, argnum);
6570 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6572 mono_mb_emit_ldarg (mb, argnum);
6573 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6574 mono_mb_emit_stloc (mb, conv_arg);
6576 mono_mb_patch_branch (mb, pos);
6579 mono_mb_emit_byte (mb, CEE_LDNULL);
6580 mono_mb_emit_stloc (mb, conv_arg);
6583 /* we dont need any conversions for out parameters */
6584 if (t->attrs & PARAM_ATTRIBUTE_OUT)
6587 mono_mb_emit_ldarg (mb, argnum);
6588 mono_mb_emit_byte (mb, CEE_LDIND_I);
6591 mono_mb_emit_ldarg (mb, argnum);
6592 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6593 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
6596 /* store the address of the source into local variable 0 */
6597 mono_mb_emit_stloc (mb, 0);
6598 mono_mb_emit_ldloc (mb, 0);
6599 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6601 /* allocate space for the native struct and store the address */
6602 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
6603 mono_mb_emit_byte (mb, CEE_PREFIX1);
6604 mono_mb_emit_byte (mb, CEE_LOCALLOC);
6605 mono_mb_emit_stloc (mb, conv_arg);
6608 /* Need to store the original buffer so we can free it later */
6609 m->orig_conv_args [argnum] = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6610 mono_mb_emit_ldloc (mb, conv_arg);
6611 mono_mb_emit_stloc (mb, m->orig_conv_args [argnum]);
6614 /* set the src_ptr */
6615 mono_mb_emit_ldloc (mb, 0);
6616 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6617 mono_mb_emit_stloc (mb, 0);
6620 mono_mb_emit_ldloc (mb, conv_arg);
6621 mono_mb_emit_stloc (mb, 1);
6623 /* emit valuetype conversion code */
6624 emit_struct_conv (mb, klass, FALSE);
6626 mono_mb_patch_branch (mb, pos);
6630 case MARSHAL_ACTION_CONV_OUT:
6631 if (klass == mono_defaults.stringbuilder_class) {
6633 MonoMarshalNative encoding;
6634 MonoMarshalConv conv;
6636 encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
6637 conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free);
6639 g_assert (!t->byref);
6640 g_assert (encoding != -1);
6642 mono_mb_emit_ldarg (mb, argnum);
6643 mono_mb_emit_ldloc (mb, conv_arg);
6645 mono_mb_emit_icall (mb, conv_to_icall (conv));
6648 mono_mb_emit_ldloc (mb, conv_arg);
6649 mono_mb_emit_icall (mb, mono_marshal_free);
6654 if (klass->delegate)
6657 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT)) {
6658 /* allocate a new object */
6659 mono_mb_emit_ldarg (mb, argnum);
6660 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6661 mono_mb_emit_op (mb, CEE_MONO_NEWOBJ, t->data.klass);
6662 mono_mb_emit_byte (mb, CEE_STIND_REF);
6665 /* dst = *argument */
6666 mono_mb_emit_ldarg (mb, argnum);
6669 mono_mb_emit_byte (mb, CEE_LDIND_I);
6671 mono_mb_emit_stloc (mb, 1);
6673 mono_mb_emit_ldloc (mb, 1);
6674 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6676 if (t->byref || (t->attrs & PARAM_ATTRIBUTE_OUT)) {
6677 mono_mb_emit_ldloc (mb, 1);
6678 mono_mb_emit_icon (mb, sizeof (MonoObject));
6679 mono_mb_emit_byte (mb, CEE_ADD);
6680 mono_mb_emit_stloc (mb, 1);
6682 /* src = tmp_locals [i] */
6683 mono_mb_emit_ldloc (mb, conv_arg);
6684 mono_mb_emit_stloc (mb, 0);
6686 /* emit valuetype conversion code */
6687 emit_struct_conv (mb, t->data.klass, TRUE);
6689 /* Free the structure returned by the native code */
6690 emit_struct_free (mb, klass, conv_arg);
6692 if (m->orig_conv_args [argnum]) {
6694 * If the native function changed the pointer, then free
6695 * the original structure plus the new pointer.
6697 mono_mb_emit_ldloc (mb, m->orig_conv_args [argnum]);
6698 mono_mb_emit_ldloc (mb, conv_arg);
6699 pos2 = mono_mb_emit_branch (mb, CEE_BEQ);
6701 if (!(t->attrs & PARAM_ATTRIBUTE_OUT)) {
6702 g_assert (m->orig_conv_args [argnum]);
6704 emit_struct_free (mb, klass, m->orig_conv_args [argnum]);
6707 mono_mb_emit_ldloc (mb, conv_arg);
6708 mono_mb_emit_icall (mb, g_free);
6710 mono_mb_patch_branch (mb, pos2);
6714 /* Free the original structure passed to native code */
6715 emit_struct_free (mb, klass, conv_arg);
6717 mono_mb_patch_branch (mb, pos);
6720 case MARSHAL_ACTION_PUSH:
6722 mono_mb_emit_ldloc_addr (mb, conv_arg);
6724 mono_mb_emit_ldloc (mb, conv_arg);
6727 case MARSHAL_ACTION_CONV_RESULT:
6728 if (klass->delegate) {
6729 g_assert (!t->byref);
6730 mono_mb_emit_stloc (mb, 0);
6731 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6732 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
6733 mono_mb_emit_ldloc (mb, 0);
6734 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_FTN_DEL));
6735 mono_mb_emit_stloc (mb, 3);
6738 mono_mb_emit_stloc (mb, 0);
6740 /* Make a copy since emit_conv modifies local 0 */
6741 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6742 mono_mb_emit_ldloc (mb, 0);
6743 mono_mb_emit_stloc (mb, loc);
6745 mono_mb_emit_byte (mb, CEE_LDNULL);
6746 mono_mb_emit_stloc (mb, 3);
6748 mono_mb_emit_ldloc (mb, 0);
6749 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6751 /* allocate result object */
6753 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6754 mono_mb_emit_op (mb, CEE_MONO_NEWOBJ, klass);
6755 mono_mb_emit_stloc (mb, 3);
6759 mono_mb_emit_ldloc (mb, 3);
6760 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6761 mono_mb_emit_stloc (mb, 1);
6763 /* emit conversion code */
6764 emit_struct_conv (mb, klass, TRUE);
6766 emit_struct_free (mb, klass, loc);
6768 /* Free the pointer allocated by unmanaged code */
6769 mono_mb_emit_ldloc (mb, loc);
6770 mono_mb_emit_icall (mb, g_free);
6771 mono_mb_patch_branch (mb, pos);
6775 case MARSHAL_ACTION_MANAGED_CONV_IN:
6776 conv_arg = mono_mb_add_local (mb, &klass->byval_arg);
6778 if (klass->delegate) {
6779 g_assert (!t->byref);
6780 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6781 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
6782 mono_mb_emit_ldarg (mb, argnum);
6783 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_FTN_DEL));
6784 mono_mb_emit_stloc (mb, conv_arg);
6788 /* The class can not have an automatic layout */
6789 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
6790 mono_mb_emit_auto_layout_exception (mb, klass);
6794 if (t->attrs & PARAM_ATTRIBUTE_OUT) {
6795 mono_mb_emit_byte (mb, CEE_LDNULL);
6796 mono_mb_emit_stloc (mb, conv_arg);
6801 mono_mb_emit_ldarg (mb, argnum);
6805 /* Check for NULL and raise an exception */
6806 pos2 = mono_mb_emit_branch (mb, CEE_BRTRUE);
6808 mono_mb_emit_exception (mb, "ArgumentNullException", NULL);
6810 mono_mb_patch_branch (mb, pos2);
6811 mono_mb_emit_ldarg (mb, argnum);
6812 mono_mb_emit_byte (mb, CEE_LDIND_I);
6815 mono_mb_emit_stloc (mb, 0);
6817 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
6818 mono_mb_emit_stloc (mb, conv_arg);
6820 mono_mb_emit_ldloc (mb, 0);
6821 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6823 /* Create and set dst */
6824 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6825 mono_mb_emit_op (mb, CEE_MONO_NEWOBJ, klass);
6826 mono_mb_emit_stloc (mb, conv_arg);
6827 mono_mb_emit_ldloc (mb, conv_arg);
6828 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6829 mono_mb_emit_stloc (mb, 1);
6831 /* emit valuetype conversion code */
6832 emit_struct_conv (mb, klass, TRUE);
6834 mono_mb_patch_branch (mb, pos);
6837 case MARSHAL_ACTION_MANAGED_CONV_OUT:
6839 /* Check for null */
6840 mono_mb_emit_ldloc (mb, conv_arg);
6841 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
6842 mono_mb_emit_ldarg (mb, argnum);
6843 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
6844 mono_mb_emit_byte (mb, CEE_STIND_REF);
6845 pos2 = mono_mb_emit_branch (mb, CEE_BR);
6847 mono_mb_patch_branch (mb, pos);
6850 mono_mb_emit_ldloc (mb, conv_arg);
6851 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6852 mono_mb_emit_stloc (mb, 0);
6854 /* Allocate and set dest */
6855 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
6856 mono_mb_emit_byte (mb, CEE_CONV_I);
6857 mono_mb_emit_icall (mb, mono_marshal_alloc);
6858 mono_mb_emit_stloc (mb, 1);
6860 /* Update argument pointer */
6861 mono_mb_emit_ldarg (mb, argnum);
6862 mono_mb_emit_ldloc (mb, 1);
6863 mono_mb_emit_byte (mb, CEE_STIND_I);
6865 /* emit valuetype conversion code */
6866 emit_struct_conv (mb, klass, FALSE);
6868 mono_mb_patch_branch (mb, pos2);
6870 /* byval [Out] marshalling */
6872 /* FIXME: Handle null */
6875 mono_mb_emit_ldloc (mb, conv_arg);
6876 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6877 mono_mb_emit_stloc (mb, 0);
6880 mono_mb_emit_ldarg (mb, argnum);
6881 mono_mb_emit_stloc (mb, 1);
6883 /* emit valuetype conversion code */
6884 emit_struct_conv (mb, klass, FALSE);
6888 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
6889 if (klass->delegate) {
6890 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_DEL_FTN));
6891 mono_mb_emit_stloc (mb, 3);
6895 /* The class can not have an automatic layout */
6896 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
6897 mono_mb_emit_auto_layout_exception (mb, klass);
6901 mono_mb_emit_stloc (mb, 0);
6902 /* Check for null */
6903 mono_mb_emit_ldloc (mb, 0);
6904 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
6905 mono_mb_emit_byte (mb, CEE_LDNULL);
6906 mono_mb_emit_stloc (mb, 3);
6907 pos2 = mono_mb_emit_branch (mb, CEE_BR);
6909 mono_mb_patch_branch (mb, pos);
6912 mono_mb_emit_ldloc (mb, 0);
6913 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6914 mono_mb_emit_stloc (mb, 0);
6916 /* Allocate and set dest */
6917 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
6918 mono_mb_emit_byte (mb, CEE_CONV_I);
6919 mono_mb_emit_icall (mb, mono_marshal_alloc);
6920 mono_mb_emit_byte (mb, CEE_DUP);
6921 mono_mb_emit_stloc (mb, 1);
6922 mono_mb_emit_stloc (mb, 3);
6924 emit_struct_conv (mb, klass, FALSE);
6926 mono_mb_patch_branch (mb, pos2);
6930 g_assert_not_reached ();
6937 emit_marshal_com_interface (EmitMarshalContext *m, int argnum, MonoType *t,
6938 MonoMarshalSpec *spec,
6939 int conv_arg, MonoType **conv_arg_type,
6940 MarshalAction action)
6942 MonoMethodBuilder *mb = m->mb;
6943 MonoClass *klass = t->data.klass;
6944 static MonoMethod* get_object_for_iunknown = NULL;
6945 static MonoMethod* get_iunknown_for_object_internal = NULL;
6946 static MonoMethod* get_com_interface_for_object_internal = NULL;
6947 static MonoMethod* get_idispatch_for_object_internal = NULL;
6948 if (!get_object_for_iunknown)
6949 get_object_for_iunknown = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetObjectForIUnknown", 1);
6950 if (!get_iunknown_for_object_internal)
6951 get_iunknown_for_object_internal = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetIUnknownForObjectInternal", 1);
6952 if (!get_idispatch_for_object_internal)
6953 get_idispatch_for_object_internal = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetIDispatchForObjectInternal", 1);
6954 if (!get_com_interface_for_object_internal)
6955 get_com_interface_for_object_internal = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetComInterfaceForObjectInternal", 2);
6957 /* COM types are initialized lazily */
6958 mono_init_com_types ();
6961 case MARSHAL_ACTION_CONV_IN: {
6962 guint32 pos_null = 0;
6964 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6965 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6967 mono_mb_emit_ptr (mb, NULL);
6968 mono_mb_emit_stloc (mb, conv_arg);
6970 /* we dont need any conversions for out parameters */
6971 if (t->byref && t->attrs & PARAM_ATTRIBUTE_OUT)
6974 mono_mb_emit_ldarg (mb, argnum);
6976 mono_mb_emit_byte (mb, CEE_LDIND_REF);
6977 /* if null just break, conv arg was already inited to 0 */
6978 pos_null = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
6980 mono_mb_emit_ldarg (mb, argnum);
6982 mono_mb_emit_byte (mb, CEE_LDIND_REF);
6984 if (klass && klass != mono_defaults.object_class) {
6985 mono_mb_emit_ptr (mb, t);
6986 mono_mb_emit_icall (mb, type_from_handle);
6987 mono_mb_emit_managed_call (mb, get_com_interface_for_object_internal, NULL);
6989 else if (spec->native == MONO_NATIVE_IUNKNOWN)
6990 mono_mb_emit_managed_call (mb, get_iunknown_for_object_internal, NULL);
6991 else if (spec->native == MONO_NATIVE_IDISPATCH)
6992 mono_mb_emit_managed_call (mb, get_idispatch_for_object_internal, NULL);
6993 else if (!klass && spec->native == MONO_NATIVE_INTERFACE)
6994 mono_mb_emit_managed_call (mb, get_iunknown_for_object_internal, NULL);
6996 g_assert_not_reached ();
6997 mono_mb_emit_stloc (mb, conv_arg);
6998 mono_mb_patch_short_branch (mb, pos_null);
7002 case MARSHAL_ACTION_CONV_OUT: {
7003 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT)) {
7005 guint32 pos_null = 0, pos_ccw = 0, pos_end = 0;
7006 ccw_obj = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
7008 mono_mb_emit_ldarg (mb, argnum);
7009 mono_mb_emit_byte (mb, CEE_LDNULL);
7010 mono_mb_emit_byte (mb, CEE_STIND_REF);
7012 mono_mb_emit_ldloc (mb, conv_arg);
7013 pos_null = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
7015 mono_mb_emit_ldloc (mb, conv_arg);
7016 mono_mb_emit_icon (mb, TRUE);
7017 mono_mb_emit_icall (mb, cominterop_get_ccw_object);
7018 mono_mb_emit_stloc (mb, ccw_obj);
7019 mono_mb_emit_ldloc (mb, ccw_obj);
7020 pos_ccw = mono_mb_emit_short_branch (mb, CEE_BRTRUE_S);
7022 mono_mb_emit_ldarg (mb, argnum);
7023 mono_mb_emit_ldloc (mb, conv_arg);
7024 mono_mb_emit_managed_call (mb, get_object_for_iunknown, NULL);
7026 if (klass && klass != mono_defaults.object_class)
7027 mono_mb_emit_op (mb, CEE_CASTCLASS, klass);
7028 mono_mb_emit_byte (mb, CEE_STIND_REF);
7029 pos_end = mono_mb_emit_short_branch (mb, CEE_BR_S);
7031 /* is already managed object */
7032 mono_mb_patch_short_branch (mb, pos_ccw);
7033 mono_mb_emit_ldarg (mb, argnum);
7034 mono_mb_emit_ldloc (mb, ccw_obj);
7036 if (klass && klass != mono_defaults.object_class)
7037 mono_mb_emit_op (mb, CEE_CASTCLASS, klass);
7038 mono_mb_emit_byte (mb, CEE_STIND_REF);
7041 mono_mb_patch_short_branch (mb, pos_end);
7043 mono_mb_patch_short_branch (mb, pos_null);
7047 case MARSHAL_ACTION_PUSH:
7049 mono_mb_emit_ldloc_addr (mb, conv_arg);
7051 mono_mb_emit_ldloc (mb, conv_arg);
7054 case MARSHAL_ACTION_CONV_RESULT: {
7055 char *msg = g_strdup ("Marshalling of COM Objects is not yet implemented.");
7056 mono_mb_emit_exception_marshal_directive (mb, msg);
7060 case MARSHAL_ACTION_MANAGED_CONV_IN: {
7062 guint32 pos_null = 0, pos_ccw = 0, pos_end = 0;
7063 ccw_obj = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
7065 klass = mono_class_from_mono_type (t);
7066 conv_arg = mono_mb_add_local (mb, &klass->byval_arg);
7067 *conv_arg_type = &mono_defaults.int_class->byval_arg;
7069 mono_mb_emit_byte (mb, CEE_LDNULL);
7070 mono_mb_emit_stloc (mb, conv_arg);
7071 if (t->attrs & PARAM_ATTRIBUTE_OUT)
7074 mono_mb_emit_ldarg (mb, argnum);
7076 mono_mb_emit_byte (mb, CEE_LDIND_REF);
7077 pos_null = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
7079 mono_mb_emit_ldarg (mb, argnum);
7081 mono_mb_emit_byte (mb, CEE_LDIND_REF);
7082 mono_mb_emit_icon (mb, TRUE);
7083 mono_mb_emit_icall (mb, cominterop_get_ccw_object);
7084 mono_mb_emit_stloc (mb, ccw_obj);
7085 mono_mb_emit_ldloc (mb, ccw_obj);
7086 pos_ccw = mono_mb_emit_short_branch (mb, CEE_BRTRUE_S);
7089 mono_mb_emit_ldarg (mb, argnum);
7091 mono_mb_emit_byte (mb, CEE_LDIND_REF);
7092 mono_mb_emit_managed_call (mb, get_object_for_iunknown, NULL);
7094 if (klass && klass != mono_defaults.object_class)
7095 mono_mb_emit_op (mb, CEE_CASTCLASS, klass);
7096 mono_mb_emit_stloc (mb, conv_arg);
7097 pos_end = mono_mb_emit_short_branch (mb, CEE_BR_S);
7099 /* is already managed object */
7100 mono_mb_patch_short_branch (mb, pos_ccw);
7101 mono_mb_emit_ldloc (mb, ccw_obj);
7102 if (klass && klass != mono_defaults.object_class)
7103 mono_mb_emit_op (mb, CEE_CASTCLASS, klass);
7104 mono_mb_emit_stloc (mb, conv_arg);
7106 mono_mb_patch_short_branch (mb, pos_end);
7108 mono_mb_patch_short_branch (mb, pos_null);
7112 case MARSHAL_ACTION_MANAGED_CONV_OUT: {
7113 if (t->byref && t->attrs & PARAM_ATTRIBUTE_OUT) {
7114 static MonoMethod* AddRef = NULL;
7115 guint32 pos_null = 0;
7118 AddRef = mono_class_get_method_from_name (mono_defaults.marshal_class, "AddRef", 1);
7120 mono_mb_emit_ldloc (mb, conv_arg);
7121 /* if null just break, conv arg was already inited to 0 */
7122 pos_null = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
7124 /* to store later */
7125 mono_mb_emit_ldarg (mb, argnum);
7126 mono_mb_emit_ldloc (mb, conv_arg);
7127 if (klass && klass != mono_defaults.object_class) {
7128 mono_mb_emit_ptr (mb, t);
7129 mono_mb_emit_icall (mb, type_from_handle);
7130 mono_mb_emit_managed_call (mb, get_com_interface_for_object_internal, NULL);
7132 else if (spec->native == MONO_NATIVE_IUNKNOWN)
7133 mono_mb_emit_managed_call (mb, get_iunknown_for_object_internal, NULL);
7134 else if (spec->native == MONO_NATIVE_IDISPATCH)
7135 mono_mb_emit_managed_call (mb, get_idispatch_for_object_internal, NULL);
7136 else if (!klass && spec->native == MONO_NATIVE_INTERFACE)
7137 mono_mb_emit_managed_call (mb, get_iunknown_for_object_internal, NULL);
7139 g_assert_not_reached ();
7140 mono_mb_emit_byte (mb, CEE_STIND_I);
7142 mono_mb_emit_ldarg (mb, argnum);
7143 mono_mb_emit_byte (mb, CEE_LDIND_I);
7144 mono_mb_emit_managed_call (mb, AddRef, NULL);
7145 mono_mb_emit_byte (mb, CEE_POP);
7147 mono_mb_patch_short_branch (mb, pos_null);
7152 case MARSHAL_ACTION_MANAGED_CONV_RESULT: {
7153 char *msg = g_strdup ("Marshalling of COM Objects is not yet implemented.");
7154 mono_mb_emit_exception_marshal_directive (mb, msg);
7159 g_assert_not_reached ();
7166 emit_marshal_variant (EmitMarshalContext *m, int argnum, MonoType *t,
7167 MonoMarshalSpec *spec,
7168 int conv_arg, MonoType **conv_arg_type,
7169 MarshalAction action)
7171 MonoMethodBuilder *mb = m->mb;
7172 static MonoMethod *get_object_for_native_variant = NULL;
7173 static MonoMethod *get_native_variant_for_object = NULL;
7175 mono_init_com_types ();
7177 if (!get_object_for_native_variant)
7178 get_object_for_native_variant = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetObjectForNativeVariant", 1);
7179 g_assert (get_object_for_native_variant);
7181 if (!get_native_variant_for_object)
7182 get_native_variant_for_object = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetNativeVariantForObject", 2);
7183 g_assert (get_native_variant_for_object);
7186 case MARSHAL_ACTION_CONV_IN: {
7187 conv_arg = mono_mb_add_local (mb, &mono_defaults.variant_class->byval_arg);
7190 *conv_arg_type = &mono_defaults.variant_class->this_arg;
7192 *conv_arg_type = &mono_defaults.variant_class->byval_arg;
7194 if (t->byref && t->attrs & PARAM_ATTRIBUTE_OUT)
7197 mono_mb_emit_ldarg (mb, argnum);
7199 mono_mb_emit_byte(mb, CEE_LDIND_REF);
7200 mono_mb_emit_ldloc_addr (mb, conv_arg);
7201 mono_mb_emit_managed_call (mb, get_native_variant_for_object, NULL);
7205 case MARSHAL_ACTION_CONV_OUT: {
7206 static MonoMethod *variant_clear = NULL;
7209 variant_clear = mono_class_get_method_from_name (mono_defaults.variant_class, "Clear", 0);
7210 g_assert (variant_clear);
7214 mono_mb_emit_ldarg (mb, argnum);
7215 mono_mb_emit_ldloc_addr (mb, conv_arg);
7216 mono_mb_emit_managed_call (mb, get_object_for_native_variant, NULL);
7217 mono_mb_emit_byte (mb, CEE_STIND_REF);
7220 mono_mb_emit_ldloc_addr (mb, conv_arg);
7221 mono_mb_emit_managed_call (mb, variant_clear, NULL);
7225 case MARSHAL_ACTION_PUSH:
7227 mono_mb_emit_ldloc_addr (mb, conv_arg);
7229 mono_mb_emit_ldloc (mb, conv_arg);
7232 case MARSHAL_ACTION_CONV_RESULT: {
7233 char *msg = g_strdup ("Marshalling of VARIANT not supported as a return type.");
7234 mono_mb_emit_exception_marshal_directive (mb, msg);
7238 case MARSHAL_ACTION_MANAGED_CONV_IN: {
7239 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
7242 *conv_arg_type = &mono_defaults.variant_class->this_arg;
7244 *conv_arg_type = &mono_defaults.variant_class->byval_arg;
7246 if (t->byref && t->attrs & PARAM_ATTRIBUTE_OUT)
7250 mono_mb_emit_ldarg (mb, argnum);
7252 mono_mb_emit_ldarg_addr (mb, argnum);
7253 mono_mb_emit_managed_call (mb, get_object_for_native_variant, NULL);
7254 mono_mb_emit_stloc (mb, conv_arg);
7258 case MARSHAL_ACTION_MANAGED_CONV_OUT: {
7260 mono_mb_emit_ldloc (mb, conv_arg);
7261 mono_mb_emit_ldarg (mb, argnum);
7262 mono_mb_emit_managed_call (mb, get_native_variant_for_object, NULL);
7267 case MARSHAL_ACTION_MANAGED_CONV_RESULT: {
7268 char *msg = g_strdup ("Marshalling of VARIANT not supported as a return type.");
7269 mono_mb_emit_exception_marshal_directive (mb, msg);
7274 g_assert_not_reached ();
7281 emit_marshal_array (EmitMarshalContext *m, int argnum, MonoType *t,
7282 MonoMarshalSpec *spec,
7283 int conv_arg, MonoType **conv_arg_type,
7284 MarshalAction action)
7286 MonoMethodBuilder *mb = m->mb;
7287 MonoClass *klass = mono_class_from_mono_type (t);
7288 gboolean need_convert, need_free;
7289 MonoMarshalNative encoding;
7291 encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
7294 case MARSHAL_ACTION_CONV_IN:
7295 *conv_arg_type = &mono_defaults.object_class->byval_arg;
7296 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
7298 if (klass->element_class->blittable) {
7299 mono_mb_emit_ldarg (mb, argnum);
7301 mono_mb_emit_byte (mb, CEE_LDIND_I);
7302 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_ARRAY_LPARRAY));
7303 mono_mb_emit_stloc (mb, conv_arg);
7306 guint32 label1, label2, label3;
7307 int index_var, src_var, dest_ptr, esize;
7308 MonoMarshalConv conv;
7309 gboolean is_string = FALSE;
7311 dest_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7313 eklass = klass->element_class;
7315 if (eklass == mono_defaults.string_class) {
7317 conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
7319 else if (eklass == mono_defaults.stringbuilder_class) {
7321 conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
7326 src_var = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
7327 mono_mb_emit_ldarg (mb, argnum);
7329 mono_mb_emit_byte (mb, CEE_LDIND_I);
7330 mono_mb_emit_stloc (mb, src_var);
7333 mono_mb_emit_ldloc (mb, src_var);
7334 mono_mb_emit_stloc (mb, conv_arg);
7335 mono_mb_emit_ldloc (mb, src_var);
7336 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
7340 char *msg = g_strdup_printf ("string/stringbuilder marshalling conversion %d not implemented", encoding);
7341 MonoException *exc = mono_get_exception_not_implemented (msg);
7344 mono_raise_exception (exc);
7349 esize = sizeof (gpointer);
7351 esize = mono_class_native_size (eklass, NULL);
7353 /* allocate space for the native struct and store the address */
7354 mono_mb_emit_icon (mb, esize);
7355 mono_mb_emit_ldloc (mb, src_var);
7356 mono_mb_emit_byte (mb, CEE_LDLEN);
7358 if (eklass == mono_defaults.string_class) {
7359 /* Make the array bigger for the terminating null */
7360 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
7361 mono_mb_emit_byte (mb, CEE_ADD);
7363 mono_mb_emit_byte (mb, CEE_MUL);
7364 mono_mb_emit_byte (mb, CEE_PREFIX1);
7365 mono_mb_emit_byte (mb, CEE_LOCALLOC);
7366 mono_mb_emit_stloc (mb, conv_arg);
7368 mono_mb_emit_ldloc (mb, conv_arg);
7369 mono_mb_emit_stloc (mb, dest_ptr);
7371 /* Emit marshalling loop */
7372 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7373 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7374 mono_mb_emit_stloc (mb, index_var);
7376 mono_mb_emit_ldloc (mb, index_var);
7377 mono_mb_emit_ldloc (mb, src_var);
7378 mono_mb_emit_byte (mb, CEE_LDLEN);
7379 label3 = mono_mb_emit_branch (mb, CEE_BGE);
7381 /* Emit marshalling code */
7384 mono_mb_emit_ldloc (mb, dest_ptr);
7385 mono_mb_emit_ldloc (mb, src_var);
7386 mono_mb_emit_ldloc (mb, index_var);
7387 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
7388 mono_mb_emit_icall (mb, conv_to_icall (conv));
7389 mono_mb_emit_byte (mb, CEE_STIND_I);
7391 /* set the src_ptr */
7392 mono_mb_emit_ldloc (mb, src_var);
7393 mono_mb_emit_ldloc (mb, index_var);
7394 mono_mb_emit_op (mb, CEE_LDELEMA, eklass);
7395 mono_mb_emit_stloc (mb, 0);
7398 mono_mb_emit_ldloc (mb, dest_ptr);
7399 mono_mb_emit_stloc (mb, 1);
7401 /* emit valuetype conversion code */
7402 emit_struct_conv (mb, eklass, FALSE);
7405 mono_mb_emit_add_to_local (mb, index_var, 1);
7406 mono_mb_emit_add_to_local (mb, dest_ptr, esize);
7408 mono_mb_emit_byte (mb, CEE_BR);
7409 mono_mb_emit_i4 (mb, label2 - (mb->pos + 4));
7411 mono_mb_patch_branch (mb, label3);
7413 if (eklass == mono_defaults.string_class) {
7414 /* Null terminate */
7415 mono_mb_emit_ldloc (mb, dest_ptr);
7416 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7417 mono_mb_emit_byte (mb, CEE_STIND_REF);
7420 mono_mb_patch_branch (mb, label1);
7425 case MARSHAL_ACTION_CONV_OUT:
7426 /* Unicode character arrays are implicitly marshalled as [Out] under MS.NET */
7427 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);
7428 need_free = mono_marshal_need_free (&klass->element_class->byval_arg,
7431 if (need_convert || need_free) {
7432 /* FIXME: Optimize blittable case */
7434 guint32 label1, label2, label3;
7435 int index_var, src_ptr, loc, esize;
7437 eklass = klass->element_class;
7438 if ((eklass == mono_defaults.stringbuilder_class) || (eklass == mono_defaults.string_class))
7439 esize = sizeof (gpointer);
7441 esize = mono_class_native_size (eklass, NULL);
7442 src_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7443 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7446 mono_mb_emit_ldarg (mb, argnum);
7448 mono_mb_emit_byte (mb, CEE_LDIND_I);
7449 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
7451 mono_mb_emit_ldloc (mb, conv_arg);
7452 mono_mb_emit_stloc (mb, src_ptr);
7454 /* Emit marshalling loop */
7455 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7456 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7457 mono_mb_emit_stloc (mb, index_var);
7459 mono_mb_emit_ldloc (mb, index_var);
7460 mono_mb_emit_ldarg (mb, argnum);
7462 mono_mb_emit_byte (mb, CEE_LDIND_REF);
7463 mono_mb_emit_byte (mb, CEE_LDLEN);
7464 label3 = mono_mb_emit_branch (mb, CEE_BGE);
7466 /* Emit marshalling code */
7468 if (eklass == mono_defaults.stringbuilder_class) {
7469 gboolean need_free2;
7470 MonoMarshalConv conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free2);
7472 g_assert (conv != -1);
7475 mono_mb_emit_ldarg (mb, argnum);
7477 mono_mb_emit_byte (mb, CEE_LDIND_I);
7478 mono_mb_emit_ldloc (mb, index_var);
7479 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
7482 mono_mb_emit_ldloc (mb, src_ptr);
7483 mono_mb_emit_byte (mb, CEE_LDIND_I);
7485 mono_mb_emit_icall (mb, conv_to_icall (conv));
7489 mono_mb_emit_ldloc (mb, src_ptr);
7490 mono_mb_emit_byte (mb, CEE_LDIND_I);
7492 mono_mb_emit_icall (mb, mono_marshal_free);
7495 else if (eklass == mono_defaults.string_class) {
7498 mono_mb_emit_ldloc (mb, src_ptr);
7499 mono_mb_emit_byte (mb, CEE_LDIND_I);
7501 mono_mb_emit_icall (mb, mono_marshal_free);
7506 /* set the src_ptr */
7507 mono_mb_emit_ldloc (mb, src_ptr);
7508 mono_mb_emit_stloc (mb, 0);
7511 mono_mb_emit_ldarg (mb, argnum);
7513 mono_mb_emit_byte (mb, CEE_LDIND_I);
7514 mono_mb_emit_ldloc (mb, index_var);
7515 mono_mb_emit_op (mb, CEE_LDELEMA, eklass);
7516 mono_mb_emit_stloc (mb, 1);
7518 /* emit valuetype conversion code */
7519 emit_struct_conv (mb, eklass, TRUE);
7523 mono_mb_emit_ldloc (mb, src_ptr);
7524 mono_mb_emit_stloc (mb, loc);
7525 mono_mb_emit_ldloc (mb, loc);
7527 emit_struct_free (mb, eklass, loc);
7531 mono_mb_emit_add_to_local (mb, index_var, 1);
7532 mono_mb_emit_add_to_local (mb, src_ptr, esize);
7534 mono_mb_emit_byte (mb, CEE_BR);
7535 mono_mb_emit_i4 (mb, label2 - (mb->pos + 4));
7537 mono_mb_patch_branch (mb, label1);
7538 mono_mb_patch_branch (mb, label3);
7542 case MARSHAL_ACTION_PUSH:
7544 mono_mb_emit_ldloc_addr (mb, conv_arg);
7546 mono_mb_emit_ldloc (mb, conv_arg);
7549 case MARSHAL_ACTION_CONV_RESULT:
7550 /* fixme: we need conversions here */
7551 mono_mb_emit_stloc (mb, 3);
7554 case MARSHAL_ACTION_MANAGED_CONV_IN: {
7556 guint32 label1, label2, label3;
7557 int index_var, src_ptr, loc, esize, param_num, num_elem;
7558 MonoMarshalConv conv;
7559 gboolean is_string = FALSE;
7561 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
7562 *conv_arg_type = &mono_defaults.int_class->byval_arg;
7565 char *msg = g_strdup ("Byref array marshalling to managed code is not implemented.");
7566 mono_mb_emit_exception_marshal_directive (mb, msg);
7570 char *msg = g_strdup ("[MarshalAs] attribute required to marshal arrays to managed code.");
7571 mono_mb_emit_exception_marshal_directive (mb, msg);
7574 if (spec->native != MONO_NATIVE_LPARRAY) {
7575 char *msg = g_strdup ("Non LPArray marshalling of arrays to managed code is not implemented.");
7576 mono_mb_emit_exception_marshal_directive (mb, msg);
7580 /* FIXME: t is from the method which is wrapped, not the delegate type */
7581 /* g_assert (t->attrs & PARAM_ATTRIBUTE_IN); */
7583 param_num = spec->data.array_data.param_num;
7584 num_elem = spec->data.array_data.num_elem;
7585 if (spec->data.array_data.elem_mult == 0)
7586 /* param_num is not specified */
7589 if (param_num == -1) {
7590 if (num_elem <= 0) {
7591 char *msg = g_strdup ("Either SizeConst or SizeParamIndex should be specified when marshalling arrays to managed code.");
7592 mono_mb_emit_exception_marshal_directive (mb, msg);
7597 /* FIXME: Optimize blittable case */
7599 eklass = klass->element_class;
7600 if (eklass == mono_defaults.string_class) {
7602 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
7604 else if (eklass == mono_defaults.stringbuilder_class) {
7606 conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free);
7611 mono_marshal_load_type_info (eklass);
7614 esize = sizeof (gpointer);
7616 esize = mono_class_native_size (eklass, NULL);
7617 src_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7618 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7620 mono_mb_emit_byte (mb, CEE_LDNULL);
7621 mono_mb_emit_stloc (mb, conv_arg);
7623 /* Check param index */
7624 if (param_num != -1) {
7625 if (param_num >= m->sig->param_count) {
7626 char *msg = g_strdup ("Array size control parameter index is out of range.");
7627 mono_mb_emit_exception_marshal_directive (mb, msg);
7630 switch (m->sig->params [param_num]->type) {
7643 char *msg = g_strdup ("Array size control parameter must be an integral type.");
7644 mono_mb_emit_exception_marshal_directive (mb, msg);
7651 mono_mb_emit_ldarg (mb, argnum);
7652 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
7654 mono_mb_emit_ldarg (mb, argnum);
7655 mono_mb_emit_stloc (mb, src_ptr);
7657 /* Create managed array */
7659 * The LPArray marshalling spec says that sometimes param_num starts
7660 * from 1, sometimes it starts from 0. But MS seems to allways start
7664 if (param_num == -1)
7665 mono_mb_emit_icon (mb, num_elem);
7667 /* FIXME: Add the two together */
7668 mono_mb_emit_ldarg (mb, param_num);
7670 mono_mb_emit_icon (mb, num_elem);
7671 mono_mb_emit_byte (mb, CEE_ADD);
7675 mono_mb_emit_op (mb, CEE_NEWARR, eklass);
7676 mono_mb_emit_stloc (mb, conv_arg);
7678 if (eklass->blittable) {
7679 mono_mb_emit_ldloc (mb, conv_arg);
7680 mono_mb_emit_byte (mb, CEE_CONV_I);
7681 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArray, vector));
7682 mono_mb_emit_byte (mb, CEE_ADD);
7683 mono_mb_emit_ldarg (mb, argnum);
7684 mono_mb_emit_ldloc (mb, conv_arg);
7685 mono_mb_emit_byte (mb, CEE_LDLEN);
7686 mono_mb_emit_icon (mb, esize);
7687 mono_mb_emit_byte (mb, CEE_MUL);
7688 mono_mb_emit_byte (mb, CEE_PREFIX1);
7689 mono_mb_emit_byte (mb, CEE_CPBLK);
7693 /* Emit marshalling loop */
7694 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7695 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7696 mono_mb_emit_stloc (mb, index_var);
7698 mono_mb_emit_ldloc (mb, index_var);
7699 mono_mb_emit_ldloc (mb, conv_arg);
7700 mono_mb_emit_byte (mb, CEE_LDLEN);
7701 label3 = mono_mb_emit_branch (mb, CEE_BGE);
7703 /* Emit marshalling code */
7705 g_assert (conv != -1);
7707 mono_mb_emit_ldloc (mb, conv_arg);
7708 mono_mb_emit_ldloc (mb, index_var);
7710 mono_mb_emit_ldloc (mb, src_ptr);
7711 mono_mb_emit_byte (mb, CEE_LDIND_I);
7713 mono_mb_emit_icall (mb, conv_to_icall (conv));
7714 mono_mb_emit_byte (mb, CEE_STELEM_REF);
7717 char *msg = g_strdup ("Marshalling of non-string and non-blittable arrays to managed code is not implemented.");
7718 mono_mb_emit_exception_marshal_directive (mb, msg);
7722 mono_mb_emit_add_to_local (mb, index_var, 1);
7723 mono_mb_emit_add_to_local (mb, src_ptr, esize);
7725 mono_mb_emit_byte (mb, CEE_BR);
7726 mono_mb_emit_i4 (mb, label2 - (mb->pos + 4));
7728 mono_mb_patch_branch (mb, label1);
7729 mono_mb_patch_branch (mb, label3);
7733 case MARSHAL_ACTION_MANAGED_CONV_OUT: {
7735 guint32 label1, label2, label3;
7736 int index_var, dest_ptr, loc, esize, param_num, num_elem;
7737 MonoMarshalConv conv;
7738 gboolean is_string = FALSE;
7741 /* Already handled in CONV_IN */
7744 /* These are already checked in CONV_IN */
7745 g_assert (!t->byref);
7746 g_assert (spec->native == MONO_NATIVE_LPARRAY);
7747 g_assert (t->attrs & PARAM_ATTRIBUTE_OUT);
7749 param_num = spec->data.array_data.param_num;
7750 num_elem = spec->data.array_data.num_elem;
7752 if (spec->data.array_data.elem_mult == 0)
7753 /* param_num is not specified */
7756 if (param_num == -1) {
7757 if (num_elem <= 0) {
7758 g_assert_not_reached ();
7762 /* FIXME: Optimize blittable case */
7764 eklass = klass->element_class;
7765 if (eklass == mono_defaults.string_class) {
7767 conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
7769 else if (eklass == mono_defaults.stringbuilder_class) {
7771 conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
7776 mono_marshal_load_type_info (eklass);
7779 esize = sizeof (gpointer);
7781 esize = mono_class_native_size (eklass, NULL);
7783 dest_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7784 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7787 mono_mb_emit_ldloc (mb, conv_arg);
7788 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
7790 mono_mb_emit_ldarg (mb, argnum);
7791 mono_mb_emit_stloc (mb, dest_ptr);
7793 if (eklass->blittable) {
7795 mono_mb_emit_ldarg (mb, argnum);
7797 mono_mb_emit_ldloc (mb, conv_arg);
7798 mono_mb_emit_byte (mb, CEE_CONV_I);
7799 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArray, vector));
7800 mono_mb_emit_byte (mb, CEE_ADD);
7802 mono_mb_emit_ldloc (mb, conv_arg);
7803 mono_mb_emit_byte (mb, CEE_LDLEN);
7804 mono_mb_emit_icon (mb, esize);
7805 mono_mb_emit_byte (mb, CEE_MUL);
7806 mono_mb_emit_byte (mb, CEE_PREFIX1);
7807 mono_mb_emit_byte (mb, CEE_CPBLK);
7811 /* Emit marshalling loop */
7812 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7813 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7814 mono_mb_emit_stloc (mb, index_var);
7816 mono_mb_emit_ldloc (mb, index_var);
7817 mono_mb_emit_ldloc (mb, conv_arg);
7818 mono_mb_emit_byte (mb, CEE_LDLEN);
7819 label3 = mono_mb_emit_branch (mb, CEE_BGE);
7821 /* Emit marshalling code */
7823 g_assert (conv != -1);
7826 mono_mb_emit_ldloc (mb, dest_ptr);
7829 mono_mb_emit_ldloc (mb, conv_arg);
7830 mono_mb_emit_ldloc (mb, index_var);
7832 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
7834 mono_mb_emit_icall (mb, conv_to_icall (conv));
7835 mono_mb_emit_byte (mb, CEE_STIND_I);
7838 char *msg = g_strdup ("Marshalling of non-string and non-blittable arrays to managed code is not implemented.");
7839 mono_mb_emit_exception_marshal_directive (mb, msg);
7843 mono_mb_emit_add_to_local (mb, index_var, 1);
7844 mono_mb_emit_add_to_local (mb, dest_ptr, esize);
7846 mono_mb_emit_byte (mb, CEE_BR);
7847 mono_mb_emit_i4 (mb, label2 - (mb->pos + 4));
7849 mono_mb_patch_branch (mb, label1);
7850 mono_mb_patch_branch (mb, label3);
7854 case MARSHAL_ACTION_MANAGED_CONV_RESULT: {
7856 guint32 label1, label2, label3;
7857 int index_var, src, dest, esize;
7858 MonoMarshalConv conv = -1;
7859 gboolean is_string = FALSE;
7861 g_assert (!t->byref);
7863 eklass = klass->element_class;
7865 mono_marshal_load_type_info (eklass);
7867 if (eklass == mono_defaults.string_class) {
7869 conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
7872 g_assert_not_reached ();
7876 esize = sizeof (gpointer);
7878 esize = mono_class_native_size (eklass, NULL);
7880 src = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
7881 dest = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7883 mono_mb_emit_stloc (mb, src);
7884 mono_mb_emit_ldloc (mb, src);
7885 mono_mb_emit_stloc (mb, 3);
7887 /* Check for null */
7888 mono_mb_emit_ldloc (mb, src);
7889 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
7891 /* Allocate native array */
7892 mono_mb_emit_icon (mb, esize);
7893 mono_mb_emit_ldloc (mb, src);
7894 mono_mb_emit_byte (mb, CEE_LDLEN);
7896 if (eklass == mono_defaults.string_class) {
7897 /* Make the array bigger for the terminating null */
7898 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
7899 mono_mb_emit_byte (mb, CEE_ADD);
7901 mono_mb_emit_byte (mb, CEE_MUL);
7902 mono_mb_emit_icall (mb, mono_marshal_alloc);
7903 mono_mb_emit_stloc (mb, dest);
7904 mono_mb_emit_ldloc (mb, dest);
7905 mono_mb_emit_stloc (mb, 3);
7907 /* Emit marshalling loop */
7908 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7909 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7910 mono_mb_emit_stloc (mb, index_var);
7912 mono_mb_emit_ldloc (mb, index_var);
7913 mono_mb_emit_ldloc (mb, src);
7914 mono_mb_emit_byte (mb, CEE_LDLEN);
7915 label3 = mono_mb_emit_branch (mb, CEE_BGE);
7917 /* Emit marshalling code */
7919 g_assert (conv != -1);
7922 mono_mb_emit_ldloc (mb, dest);
7925 mono_mb_emit_ldloc (mb, src);
7926 mono_mb_emit_ldloc (mb, index_var);
7928 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
7930 mono_mb_emit_icall (mb, conv_to_icall (conv));
7931 mono_mb_emit_byte (mb, CEE_STIND_I);
7934 char *msg = g_strdup ("Marshalling of non-string arrays to managed code is not implemented.");
7935 mono_mb_emit_exception_marshal_directive (mb, msg);
7939 mono_mb_emit_add_to_local (mb, index_var, 1);
7940 mono_mb_emit_add_to_local (mb, dest, esize);
7942 mono_mb_emit_byte (mb, CEE_BR);
7943 mono_mb_emit_i4 (mb, label2 - (mb->pos + 4));
7945 mono_mb_patch_branch (mb, label3);
7946 mono_mb_patch_branch (mb, label1);
7950 g_assert_not_reached ();
7957 emit_marshal_boolean (EmitMarshalContext *m, int argnum, MonoType *t,
7958 MonoMarshalSpec *spec,
7959 int conv_arg, MonoType **conv_arg_type,
7960 MarshalAction action)
7962 MonoMethodBuilder *mb = m->mb;
7965 case MARSHAL_ACTION_CONV_IN: {
7966 MonoType *local_type;
7967 int variant_bool = 0;
7971 local_type = &mono_defaults.int32_class->byval_arg;
7973 switch (spec->native) {
7974 case MONO_NATIVE_I1:
7975 local_type = &mono_defaults.byte_class->byval_arg;
7977 case MONO_NATIVE_VARIANTBOOL:
7978 local_type = &mono_defaults.int16_class->byval_arg;
7982 g_warning ("marshalling bool as native type %x is currently not supported", spec->native);
7983 local_type = &mono_defaults.int32_class->byval_arg;
7987 *conv_arg_type = &mono_defaults.int_class->byval_arg;
7988 conv_arg = mono_mb_add_local (mb, local_type);
7989 mono_mb_emit_ldarg (mb, argnum);
7990 mono_mb_emit_byte (mb, CEE_LDIND_I1);
7992 mono_mb_emit_byte (mb, CEE_NEG);
7993 mono_mb_emit_stloc (mb, conv_arg);
7997 case MARSHAL_ACTION_CONV_OUT:
8000 mono_mb_emit_ldarg (mb, argnum);
8001 mono_mb_emit_ldloc (mb, conv_arg);
8002 if (spec != NULL && spec->native == MONO_NATIVE_VARIANTBOOL)
8003 mono_mb_emit_byte (mb, CEE_NEG);
8004 mono_mb_emit_byte (mb, CEE_STIND_I1);
8007 case MARSHAL_ACTION_PUSH:
8009 mono_mb_emit_ldloc_addr (mb, conv_arg);
8011 mono_mb_emit_ldarg (mb, argnum);
8014 case MARSHAL_ACTION_CONV_RESULT:
8015 /* maybe we need to make sure that it fits within 8 bits */
8016 mono_mb_emit_stloc (mb, 3);
8020 g_assert_not_reached ();
8027 emit_marshal_ptr (EmitMarshalContext *m, int argnum, MonoType *t,
8028 MonoMarshalSpec *spec, int conv_arg,
8029 MonoType **conv_arg_type, MarshalAction action)
8031 MonoMethodBuilder *mb = m->mb;
8034 case MARSHAL_ACTION_CONV_IN:
8035 if (MONO_TYPE_ISSTRUCT (t->data.type)) {
8036 char *msg = g_strdup_printf ("Can not marshal 'parameter #%d': Pointers can not reference marshaled structures. Use byref instead.", argnum + 1);
8037 mono_mb_emit_exception_marshal_directive (m->mb, msg);
8041 case MARSHAL_ACTION_PUSH:
8042 mono_mb_emit_ldarg (mb, argnum);
8045 case MARSHAL_ACTION_CONV_RESULT:
8046 /* no conversions necessary */
8047 mono_mb_emit_stloc (mb, 3);
8058 emit_marshal_char (EmitMarshalContext *m, int argnum, MonoType *t,
8059 MonoMarshalSpec *spec, int conv_arg,
8060 MonoType **conv_arg_type, MarshalAction action)
8062 MonoMethodBuilder *mb = m->mb;
8065 case MARSHAL_ACTION_PUSH:
8066 /* fixme: dont know how to marshal that. We cant simply
8067 * convert it to a one byte UTF8 character, because an
8068 * unicode character may need more that one byte in UTF8 */
8069 mono_mb_emit_ldarg (mb, argnum);
8072 case MARSHAL_ACTION_CONV_RESULT:
8073 /* fixme: we need conversions here */
8074 mono_mb_emit_stloc (mb, 3);
8085 emit_marshal_scalar (EmitMarshalContext *m, int argnum, MonoType *t,
8086 MonoMarshalSpec *spec, int conv_arg,
8087 MonoType **conv_arg_type, MarshalAction action)
8089 MonoMethodBuilder *mb = m->mb;
8092 case MARSHAL_ACTION_PUSH:
8093 mono_mb_emit_ldarg (mb, argnum);
8096 case MARSHAL_ACTION_CONV_RESULT:
8097 /* no conversions necessary */
8098 mono_mb_emit_stloc (mb, 3);
8109 emit_marshal (EmitMarshalContext *m, int argnum, MonoType *t,
8110 MonoMarshalSpec *spec, int conv_arg,
8111 MonoType **conv_arg_type, MarshalAction action)
8113 /* Ensure that we have marshalling info for this param */
8114 mono_marshal_load_type_info (mono_class_from_mono_type (t));
8116 if (spec && spec->native == MONO_NATIVE_CUSTOM)
8117 return emit_marshal_custom (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8119 if (spec && spec->native == MONO_NATIVE_ASANY)
8120 return emit_marshal_asany (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8123 case MONO_TYPE_VALUETYPE:
8124 if (t->data.klass == mono_defaults.handleref_class)
8125 return emit_marshal_handleref (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8127 return emit_marshal_vtype (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8128 case MONO_TYPE_STRING:
8129 return emit_marshal_string (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8130 case MONO_TYPE_CLASS:
8131 case MONO_TYPE_OBJECT:
8132 if (spec && spec->native == MONO_NATIVE_STRUCT)
8133 return emit_marshal_variant (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8135 if (spec && (spec->native == MONO_NATIVE_IUNKNOWN ||
8136 spec->native == MONO_NATIVE_IDISPATCH ||
8137 spec->native == MONO_NATIVE_INTERFACE))
8138 return emit_marshal_com_interface (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8140 if (mono_defaults.safehandle_class != NULL &&
8141 mono_class_is_subclass_of (t->data.klass, mono_defaults.safehandle_class, FALSE))
8142 return emit_marshal_safehandle (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8144 return emit_marshal_object (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8145 case MONO_TYPE_ARRAY:
8146 case MONO_TYPE_SZARRAY:
8147 return emit_marshal_array (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8148 case MONO_TYPE_BOOLEAN:
8149 return emit_marshal_boolean (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8151 return emit_marshal_ptr (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8152 case MONO_TYPE_CHAR:
8153 return emit_marshal_char (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8166 case MONO_TYPE_FNPTR:
8167 return emit_marshal_scalar (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8174 * mono_marshal_emit_native_wrapper:
8175 * @image: the image to use for looking up custom marshallers
8176 * @sig: The signature of the native function
8177 * @piinfo: Marshalling information
8178 * @mspecs: Marshalling information
8179 * @func: the native function to call
8181 * generates IL code for the pinvoke wrapper, the generated code calls @func.
8184 mono_marshal_emit_native_wrapper (MonoImage *image, MonoMethodBuilder *mb, MonoMethodSignature *sig, MonoMethodPInvoke *piinfo, MonoMarshalSpec **mspecs, gpointer func)
8186 EmitMarshalContext m;
8187 MonoMethodSignature *csig;
8189 int i, argnum, *tmp_locals;
8191 static MonoMethodSignature *get_last_error_sig = NULL;
8196 /* we copy the signature, so that we can set pinvoke to 0 */
8197 csig = signature_dup (mb->method->klass->image, sig);
8202 /* we allocate local for use with emit_struct_conv() */
8203 /* allocate local 0 (pointer) src_ptr */
8204 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8205 /* allocate local 1 (pointer) dst_ptr */
8206 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8207 /* allocate local 2 (boolean) delete_old */
8208 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
8210 /* delete_old = FALSE */
8211 mono_mb_emit_icon (mb, 0);
8212 mono_mb_emit_stloc (mb, 2);
8214 if (!MONO_TYPE_IS_VOID(sig->ret)) {
8215 /* allocate local 3 to store the return value */
8216 mono_mb_add_local (mb, sig->ret);
8219 if (mspecs [0] && mspecs [0]->native == MONO_NATIVE_CUSTOM) {
8220 /* Return type custom marshaling */
8222 * Since we can't determine the return type of the unmanaged function,
8223 * we assume it returns a pointer, and pass that pointer to
8224 * MarshalNativeToManaged.
8226 csig->ret = &mono_defaults.int_class->byval_arg;
8229 /* we first do all conversions */
8230 tmp_locals = alloca (sizeof (int) * sig->param_count);
8231 m.orig_conv_args = alloca (sizeof (int) * (sig->param_count + 1));
8233 for (i = 0; i < sig->param_count; i ++) {
8234 tmp_locals [i] = emit_marshal (&m, i + sig->hasthis, sig->params [i], mspecs [i + 1], 0, &csig->params [i], MARSHAL_ACTION_CONV_IN);
8237 /* push all arguments */
8240 mono_mb_emit_byte (mb, CEE_LDARG_0);
8243 for (i = 0; i < sig->param_count; i++) {
8244 emit_marshal (&m, i + sig->hasthis, sig->params [i], mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_PUSH);
8247 /* call the native method */
8248 if (MONO_CLASS_IS_IMPORT (mb->method->klass)) {
8249 mono_mb_emit_cominterop_call (mb, csig, &piinfo->method);
8252 mono_mb_emit_native_call (mb, csig, func);
8255 /* Set LastError if needed */
8256 if (piinfo->piflags & PINVOKE_ATTRIBUTE_SUPPORTS_LAST_ERROR) {
8257 if (!get_last_error_sig) {
8258 get_last_error_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
8259 get_last_error_sig->ret = &mono_defaults.int_class->byval_arg;
8260 get_last_error_sig->pinvoke = 1;
8263 #ifdef PLATFORM_WIN32
8265 * Have to call GetLastError () early and without a wrapper, since various runtime components could
8266 * clobber its value.
8268 mono_mb_emit_native_call (mb, get_last_error_sig, GetLastError);
8269 mono_mb_emit_icall (mb, mono_marshal_set_last_error_windows);
8271 mono_mb_emit_icall (mb, mono_marshal_set_last_error);
8275 /* convert the result */
8276 if (!sig->ret->byref) {
8277 MonoMarshalSpec *spec = mspecs [0];
8278 type = sig->ret->type;
8280 if (spec && spec->native == MONO_NATIVE_CUSTOM) {
8281 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
8286 case MONO_TYPE_VOID:
8288 case MONO_TYPE_VALUETYPE:
8289 klass = sig->ret->data.klass;
8290 if (klass->enumtype) {
8291 type = sig->ret->data.klass->enum_basetype->type;
8294 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
8308 case MONO_TYPE_FNPTR:
8309 case MONO_TYPE_STRING:
8310 case MONO_TYPE_CLASS:
8311 case MONO_TYPE_OBJECT:
8312 case MONO_TYPE_BOOLEAN:
8313 case MONO_TYPE_ARRAY:
8314 case MONO_TYPE_SZARRAY:
8315 case MONO_TYPE_CHAR:
8317 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
8319 case MONO_TYPE_TYPEDBYREF:
8321 g_warning ("return type 0x%02x unknown", sig->ret->type);
8322 g_assert_not_reached ();
8326 mono_mb_emit_stloc (mb, 3);
8330 * Need to call this after converting the result since MONO_VTADDR needs
8331 * to be adjacent to the call instruction.
8333 emit_thread_interrupt_checkpoint (mb);
8335 /* we need to convert byref arguments back and free string arrays */
8336 for (i = 0; i < sig->param_count; i++) {
8337 MonoType *t = sig->params [i];
8338 MonoMarshalSpec *spec = mspecs [i + 1];
8340 argnum = i + sig->hasthis;
8342 if (spec && ((spec->native == MONO_NATIVE_CUSTOM) || (spec->native == MONO_NATIVE_ASANY))) {
8343 emit_marshal (&m, argnum, t, spec, tmp_locals [i], NULL, MARSHAL_ACTION_CONV_OUT);
8348 case MONO_TYPE_STRING:
8349 case MONO_TYPE_VALUETYPE:
8350 case MONO_TYPE_CLASS:
8351 case MONO_TYPE_OBJECT:
8352 case MONO_TYPE_SZARRAY:
8353 case MONO_TYPE_BOOLEAN:
8354 emit_marshal (&m, argnum, t, spec, tmp_locals [i], NULL, MARSHAL_ACTION_CONV_OUT);
8359 if (!MONO_TYPE_IS_VOID(sig->ret))
8360 mono_mb_emit_ldloc (mb, 3);
8362 mono_mb_emit_byte (mb, CEE_RET);
8366 * mono_marshal_get_native_wrapper:
8367 * @method: The MonoMethod to wrap.
8369 * generates IL code for the pinvoke wrapper (the generated method
8370 * calls the unmanaged code in piinfo->addr)
8373 mono_marshal_get_native_wrapper (MonoMethod *method)
8375 MonoMethodSignature *sig, *csig;
8376 MonoMethodPInvoke *piinfo = (MonoMethodPInvoke *) method;
8377 MonoMethodBuilder *mb;
8378 MonoMarshalSpec **mspecs;
8381 gboolean pinvoke = FALSE;
8384 const char *exc_class = "MissingMethodException";
8385 const char *exc_arg = NULL;
8387 g_assert (method != NULL);
8388 g_assert (mono_method_signature (method)->pinvoke);
8390 cache = method->klass->image->native_wrapper_cache;
8391 if ((res = mono_marshal_find_in_cache (cache, method)))
8394 if (MONO_CLASS_IS_IMPORT (method->klass))
8395 return cominterop_get_native_wrapper (method);
8397 sig = mono_method_signature (method);
8399 if (!(method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
8400 (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL))
8403 if (!piinfo->addr) {
8405 mono_lookup_pinvoke_call (method, &exc_class, &exc_arg);
8407 piinfo->addr = mono_lookup_internal_call (method);
8410 /* hack - redirect certain string constructors to CreateString */
8411 if (piinfo->addr == ves_icall_System_String_ctor_RedirectToCreateString) {
8412 g_assert (!pinvoke);
8413 g_assert (method->string_ctor);
8414 g_assert (sig->hasthis);
8416 /* CreateString returns a value */
8417 csig = signature_dup (method->klass->image, sig);
8418 csig->ret = &mono_defaults.string_class->byval_arg;
8422 while ((res = mono_class_get_methods (mono_defaults.string_class, &iter))) {
8423 if (!strcmp ("CreateString", res->name) &&
8424 mono_metadata_signature_equal (csig, mono_method_signature (res))) {
8426 g_assert (!(res->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL));
8427 g_assert (!(res->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL));
8429 /* create a wrapper to preserve .ctor in stack trace */
8430 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_MANAGED_TO_MANAGED);
8432 mono_mb_emit_byte (mb, CEE_LDARG_0);
8433 for (i = 1; i <= csig->param_count; i++)
8434 mono_mb_emit_ldarg (mb, i);
8435 mono_mb_emit_managed_call (mb, res, NULL);
8436 mono_mb_emit_byte (mb, CEE_RET);
8438 /* use native_wrapper_cache because internal calls are looked up there */
8439 res = mono_mb_create_and_cache (cache, method,
8440 mb, csig, csig->param_count + 1);
8448 /* exception will be thrown */
8449 piinfo->addr = NULL;
8450 g_warning ("cannot find CreateString for .ctor");
8453 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_MANAGED_TO_NATIVE);
8455 mb->method->save_lmf = 1;
8457 if (!piinfo->addr) {
8458 mono_mb_emit_exception (mb, exc_class, exc_arg);
8459 csig = signature_dup (method->klass->image, sig);
8461 res = mono_mb_create_and_cache (cache, method,
8462 mb, csig, csig->param_count + 16);
8467 /* internal calls: we simply push all arguments and call the method (no conversions) */
8468 if (method->iflags & (METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL | METHOD_IMPL_ATTRIBUTE_RUNTIME)) {
8470 /* hack - string constructors returns a value */
8471 if (method->string_ctor) {
8472 csig = signature_dup (method->klass->image, sig);
8473 csig->ret = &mono_defaults.string_class->byval_arg;
8478 mono_mb_emit_byte (mb, CEE_LDARG_0);
8480 for (i = 0; i < sig->param_count; i++)
8481 mono_mb_emit_ldarg (mb, i + sig->hasthis);
8483 g_assert (piinfo->addr);
8484 mono_mb_emit_native_call (mb, csig, piinfo->addr);
8485 emit_thread_interrupt_checkpoint (mb);
8486 mono_mb_emit_byte (mb, CEE_RET);
8488 csig = signature_dup (method->klass->image, csig);
8490 res = mono_mb_create_and_cache (cache, method,
8491 mb, csig, csig->param_count + 16);
8498 mspecs = g_new (MonoMarshalSpec*, sig->param_count + 1);
8499 mono_method_get_marshal_info (method, mspecs);
8501 mono_marshal_emit_native_wrapper (mb->method->klass->image, mb, sig, piinfo, mspecs, piinfo->addr);
8503 csig = signature_dup (method->klass->image, sig);
8505 res = mono_mb_create_and_cache (cache, method,
8506 mb, csig, csig->param_count + 16);
8509 for (i = sig->param_count; i >= 0; i--)
8511 mono_metadata_free_marshal_spec (mspecs [i]);
8514 /* 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)); */
8520 * mono_marshal_get_native_func_wrapper:
8521 * @image: The image to use for memory allocation and for looking up custom marshallers.
8522 * @sig: The signature of the function
8523 * @func: The native function to wrap
8525 * Returns a wrapper method around native functions, similar to the pinvoke
8529 mono_marshal_get_native_func_wrapper (MonoImage *image, MonoMethodSignature *sig,
8530 MonoMethodPInvoke *piinfo, MonoMarshalSpec **mspecs, gpointer func)
8532 MonoMethodSignature *csig;
8534 MonoMethodBuilder *mb;
8539 cache = image->native_wrapper_cache;
8540 if ((res = mono_marshal_find_in_cache (cache, func)))
8543 name = g_strdup_printf ("wrapper_native_%p", func);
8544 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_MANAGED_TO_NATIVE);
8545 mb->method->save_lmf = 1;
8547 mono_marshal_emit_native_wrapper (image, mb, sig, piinfo, mspecs, func);
8549 csig = signature_dup (image, sig);
8551 res = mono_mb_create_and_cache (cache, func,
8552 mb, csig, csig->param_count + 16);
8555 /* 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)); */
8560 /* FIXME: moving GC */
8562 mono_marshal_emit_managed_wrapper (MonoMethodBuilder *mb, MonoMethodSignature *invoke_sig, MonoMarshalSpec **mspecs, EmitMarshalContext* m, MonoMethod *method, MonoObject* this)
8564 MonoMethodSignature *sig, *csig;
8570 /* allocate local 0 (pointer) src_ptr */
8571 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8572 /* allocate local 1 (pointer) dst_ptr */
8573 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8574 /* allocate local 2 (boolean) delete_old */
8575 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
8577 if (!MONO_TYPE_IS_VOID(sig->ret)) {
8578 /* allocate local 3 to store the return value */
8579 mono_mb_add_local (mb, sig->ret);
8582 mono_mb_emit_icon (mb, 0);
8583 mono_mb_emit_stloc (mb, 2);
8585 /* fixme: howto handle this ? */
8588 /* FIXME: need a solution for the moving GC here */
8589 mono_mb_emit_ptr (mb, this);
8592 g_assert_not_reached ();
8596 /* we first do all conversions */
8597 tmp_locals = alloca (sizeof (int) * sig->param_count);
8598 for (i = 0; i < sig->param_count; i ++) {
8599 MonoType *t = sig->params [i];
8602 case MONO_TYPE_OBJECT:
8603 case MONO_TYPE_CLASS:
8604 case MONO_TYPE_VALUETYPE:
8605 case MONO_TYPE_ARRAY:
8606 case MONO_TYPE_SZARRAY:
8607 case MONO_TYPE_STRING:
8608 tmp_locals [i] = emit_marshal (m, i, sig->params [i], mspecs [i + 1], 0, &csig->params [i], MARSHAL_ACTION_MANAGED_CONV_IN);
8617 emit_thread_interrupt_checkpoint (mb);
8619 for (i = 0; i < sig->param_count; i++) {
8620 MonoType *t = sig->params [i];
8622 if (tmp_locals [i]) {
8624 mono_mb_emit_ldloc_addr (mb, tmp_locals [i]);
8626 mono_mb_emit_ldloc (mb, tmp_locals [i]);
8629 mono_mb_emit_ldarg (mb, i);
8632 mono_mb_emit_managed_call (mb, method, NULL);
8634 if (mspecs [0] && mspecs [0]->native == MONO_NATIVE_CUSTOM) {
8635 emit_marshal (m, 0, sig->ret, mspecs [0], 0, NULL, MARSHAL_ACTION_MANAGED_CONV_RESULT);
8638 if (!sig->ret->byref) {
8639 switch (sig->ret->type) {
8640 case MONO_TYPE_VOID:
8642 case MONO_TYPE_BOOLEAN:
8656 case MONO_TYPE_OBJECT:
8657 mono_mb_emit_stloc (mb, 3);
8659 case MONO_TYPE_STRING:
8660 csig->ret = &mono_defaults.int_class->byval_arg;
8661 emit_marshal (m, 0, sig->ret, mspecs [0], 0, NULL, MARSHAL_ACTION_MANAGED_CONV_RESULT);
8663 case MONO_TYPE_VALUETYPE:
8664 case MONO_TYPE_CLASS:
8665 case MONO_TYPE_SZARRAY:
8666 emit_marshal (m, 0, sig->ret, mspecs [0], 0, NULL, MARSHAL_ACTION_MANAGED_CONV_RESULT);
8669 g_warning ("return type 0x%02x unknown", sig->ret->type);
8670 g_assert_not_reached ();
8673 mono_mb_emit_stloc (mb, 3);
8676 /* Convert byref arguments back */
8677 for (i = 0; i < sig->param_count; i ++) {
8678 MonoType *t = sig->params [i];
8679 MonoMarshalSpec *spec = mspecs [i + 1];
8681 if (spec && spec->native == MONO_NATIVE_CUSTOM) {
8682 emit_marshal (m, i, t, mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_MANAGED_CONV_OUT);
8684 else if (t->byref) {
8686 case MONO_TYPE_CLASS:
8687 case MONO_TYPE_VALUETYPE:
8688 case MONO_TYPE_OBJECT:
8689 emit_marshal (m, i, t, mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_MANAGED_CONV_OUT);
8693 else if (invoke_sig->params [i]->attrs & PARAM_ATTRIBUTE_OUT) {
8694 /* The [Out] information is encoded in the delegate signature */
8696 case MONO_TYPE_SZARRAY:
8697 case MONO_TYPE_CLASS:
8698 case MONO_TYPE_VALUETYPE:
8699 emit_marshal (m, i, invoke_sig->params [i], mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_MANAGED_CONV_OUT);
8702 g_assert_not_reached ();
8707 if (m->retobj_var) {
8708 mono_mb_emit_ldloc (mb, m->retobj_var);
8709 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
8710 mono_mb_emit_op (mb, CEE_MONO_RETOBJ, m->retobj_class);
8713 if (!MONO_TYPE_IS_VOID(sig->ret))
8714 mono_mb_emit_ldloc (mb, 3);
8715 mono_mb_emit_byte (mb, CEE_RET);
8721 * generates IL code to call managed methods from unmanaged code
8724 mono_marshal_get_managed_wrapper (MonoMethod *method, MonoClass *delegate_klass, MonoObject *this)
8726 static MonoClass *UnmanagedFunctionPointerAttribute;
8727 MonoMethodSignature *sig, *csig, *invoke_sig;
8728 MonoMethodBuilder *mb;
8729 MonoMethod *res, *invoke;
8730 MonoMarshalSpec **mspecs;
8731 MonoMethodPInvoke piinfo;
8734 EmitMarshalContext m;
8736 g_assert (method != NULL);
8737 g_assert (!mono_method_signature (method)->pinvoke);
8740 * FIXME: Should cache the method+delegate type pair, since the same method
8741 * could be called with different delegates, thus different marshalling
8744 cache = method->klass->image->managed_wrapper_cache;
8745 if (!this && (res = mono_marshal_find_in_cache (cache, method)))
8748 invoke = mono_class_get_method_from_name (delegate_klass, "Invoke", mono_method_signature (method)->param_count);
8749 invoke_sig = mono_method_signature (invoke);
8751 mspecs = g_new0 (MonoMarshalSpec*, mono_method_signature (invoke)->param_count + 1);
8752 mono_method_get_marshal_info (invoke, mspecs);
8754 sig = mono_method_signature (method);
8756 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_NATIVE_TO_MANAGED);
8759 /* we copy the signature, so that we can modify it */
8760 csig = signature_dup (method->klass->image, sig);
8769 m.image = method->klass->image;
8771 #ifdef PLATFORM_WIN32
8773 * Under windows, delegates passed to native code must use the STDCALL
8774 * calling convention.
8776 csig->call_convention = MONO_CALL_STDCALL;
8779 /* Change default calling convention if needed */
8780 /* Why is this a modopt ? */
8781 if (invoke_sig->ret && invoke_sig->ret->num_mods) {
8782 for (i = 0; i < invoke_sig->ret->num_mods; ++i) {
8783 MonoClass *cmod_class = mono_class_get (delegate_klass->image, invoke_sig->ret->modifiers [i].token);
8784 g_assert (cmod_class);
8785 if ((cmod_class->image == mono_defaults.corlib) && !strcmp (cmod_class->name_space, "System.Runtime.CompilerServices")) {
8786 if (!strcmp (cmod_class->name, "CallConvCdecl"))
8787 csig->call_convention = MONO_CALL_C;
8788 else if (!strcmp (cmod_class->name, "CallConvStdcall"))
8789 csig->call_convention = MONO_CALL_STDCALL;
8790 else if (!strcmp (cmod_class->name, "CallConvFastcall"))
8791 csig->call_convention = MONO_CALL_FASTCALL;
8792 else if (!strcmp (cmod_class->name, "CallConvThiscall"))
8793 csig->call_convention = MONO_CALL_THISCALL;
8798 /* Handle the UnmanagedFunctionPointerAttribute */
8799 if (!UnmanagedFunctionPointerAttribute)
8800 UnmanagedFunctionPointerAttribute = mono_class_from_name (mono_defaults.corlib, "System.Runtime.InteropServices", "UnmanagedFunctionPointerAttribute");
8802 /* The attribute is only available in Net 2.0 */
8803 if (UnmanagedFunctionPointerAttribute) {
8804 MonoReflectionUnmanagedFunctionPointerAttribute *attr;
8805 MonoCustomAttrInfo *cinfo;
8808 * The pinvoke attributes are stored in a real custom attribute so we have to
8811 cinfo = mono_custom_attrs_from_class (delegate_klass);
8813 attr = (MonoReflectionUnmanagedFunctionPointerAttribute*)mono_custom_attrs_get_attr (cinfo, UnmanagedFunctionPointerAttribute);
8815 memset (&piinfo, 0, sizeof (piinfo));
8817 piinfo.piflags = (attr->call_conv << 8) | (attr->charset ? (attr->charset - 1) * 2 : 1) | attr->set_last_error;
8819 csig->call_convention = attr->call_conv - 1;
8822 mono_custom_attrs_free (cinfo);
8826 mono_marshal_emit_managed_wrapper (mb, invoke_sig, mspecs, &m, method, this);
8829 res = mono_mb_create_and_cache (cache, method,
8830 mb, csig, sig->param_count + 16);
8833 res = mono_mb_create_method (mb, csig, sig->param_count + 16);
8837 for (i = mono_method_signature (invoke)->param_count; i >= 0; i--)
8839 mono_metadata_free_marshal_spec (mspecs [i]);
8842 /* 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)); */
8847 static MonoReflectionType *
8848 type_from_handle (MonoType *handle)
8850 MonoDomain *domain = mono_domain_get ();
8851 MonoClass *klass = mono_class_from_mono_type (handle);
8853 MONO_ARCH_SAVE_REGS;
8855 mono_class_init (klass);
8856 return mono_type_get_object (domain, handle);
8860 * mono_marshal_get_isinst:
8861 * @klass: the type of the field
8863 * This method generates a function which can be used to check if an object is
8864 * an instance of the given type, icluding the case where the object is a proxy.
8865 * The generated function has the following signature:
8866 * MonoObject* __isinst_wrapper_ (MonoObject *obj)
8869 mono_marshal_get_isinst (MonoClass *klass)
8871 static MonoMethodSignature *isint_sig = NULL;
8874 int pos_was_ok, pos_failed, pos_end, pos_end2;
8876 MonoMethodBuilder *mb;
8878 cache = klass->image->isinst_cache;
8879 if ((res = mono_marshal_find_in_cache (cache, klass)))
8883 isint_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
8884 isint_sig->params [0] = &mono_defaults.object_class->byval_arg;
8885 isint_sig->ret = &mono_defaults.object_class->byval_arg;
8886 isint_sig->pinvoke = 0;
8889 name = g_strdup_printf ("__isinst_wrapper_%s", klass->name);
8890 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_ISINST);
8893 mb->method->save_lmf = 1;
8895 /* check if the object is a proxy that needs special cast */
8896 mono_mb_emit_ldarg (mb, 0);
8897 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
8898 mono_mb_emit_op (mb, CEE_MONO_CISINST, klass);
8900 /* The result of MONO_ISINST can be:
8901 0) the type check succeeded
8902 1) the type check did not succeed
8903 2) a CanCastTo call is needed */
8905 mono_mb_emit_byte (mb, CEE_DUP);
8906 pos_was_ok = mono_mb_emit_branch (mb, CEE_BRFALSE);
8908 mono_mb_emit_byte (mb, CEE_LDC_I4_2);
8909 pos_failed = mono_mb_emit_branch (mb, CEE_BNE_UN);
8911 /* get the real proxy from the transparent proxy*/
8913 mono_mb_emit_ldarg (mb, 0);
8914 mono_mb_emit_managed_call (mb, mono_marshal_get_proxy_cancast (klass), NULL);
8915 pos_end = mono_mb_emit_branch (mb, CEE_BR);
8919 mono_mb_patch_addr (mb, pos_failed, mb->pos - (pos_failed + 4));
8920 mono_mb_emit_byte (mb, CEE_LDNULL);
8921 pos_end2 = mono_mb_emit_branch (mb, CEE_BR);
8925 mono_mb_patch_addr (mb, pos_was_ok, mb->pos - (pos_was_ok + 4));
8926 mono_mb_emit_byte (mb, CEE_POP);
8927 mono_mb_emit_ldarg (mb, 0);
8931 mono_mb_patch_addr (mb, pos_end, mb->pos - (pos_end + 4));
8932 mono_mb_patch_addr (mb, pos_end2, mb->pos - (pos_end2 + 4));
8933 mono_mb_emit_byte (mb, CEE_RET);
8935 res = mono_mb_create_and_cache (cache, klass, mb, isint_sig, isint_sig->param_count + 16);
8942 * mono_marshal_get_castclass:
8943 * @klass: the type of the field
8945 * This method generates a function which can be used to cast an object to
8946 * an instance of the given type, icluding the case where the object is a proxy.
8947 * The generated function has the following signature:
8948 * MonoObject* __castclass_wrapper_ (MonoObject *obj)
8951 mono_marshal_get_castclass (MonoClass *klass)
8953 static MonoMethodSignature *castclass_sig = NULL;
8956 int pos_was_ok, pos_was_ok2;
8958 MonoMethodBuilder *mb;
8960 cache = klass->image->castclass_cache;
8961 if ((res = mono_marshal_find_in_cache (cache, klass)))
8964 if (!castclass_sig) {
8965 castclass_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
8966 castclass_sig->params [0] = &mono_defaults.object_class->byval_arg;
8967 castclass_sig->ret = &mono_defaults.object_class->byval_arg;
8968 castclass_sig->pinvoke = 0;
8971 name = g_strdup_printf ("__castclass_wrapper_%s", klass->name);
8972 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_CASTCLASS);
8975 mb->method->save_lmf = 1;
8977 /* check if the object is a proxy that needs special cast */
8978 mono_mb_emit_ldarg (mb, 0);
8979 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
8980 mono_mb_emit_op (mb, CEE_MONO_CCASTCLASS, klass);
8982 /* The result of MONO_ISINST can be:
8983 0) the cast is valid
8984 1) cast of unknown proxy type
8985 or an exception if the cast is is invalid
8988 pos_was_ok = mono_mb_emit_branch (mb, CEE_BRFALSE);
8990 /* get the real proxy from the transparent proxy*/
8992 mono_mb_emit_ldarg (mb, 0);
8993 mono_mb_emit_managed_call (mb, mono_marshal_get_proxy_cancast (klass), NULL);
8994 pos_was_ok2 = mono_mb_emit_branch (mb, CEE_BRTRUE);
8997 mono_mb_emit_exception (mb, "InvalidCastException", NULL);
9000 mono_mb_patch_addr (mb, pos_was_ok, mb->pos - (pos_was_ok + 4));
9001 mono_mb_patch_addr (mb, pos_was_ok2, mb->pos - (pos_was_ok2 + 4));
9002 mono_mb_emit_ldarg (mb, 0);
9005 mono_mb_emit_byte (mb, CEE_RET);
9007 res = mono_mb_create_and_cache (cache, klass, mb, castclass_sig, castclass_sig->param_count + 16);
9014 mono_marshal_get_proxy_cancast (MonoClass *klass)
9016 static MonoMethodSignature *isint_sig = NULL;
9019 int pos_failed, pos_end;
9021 MonoMethod *can_cast_to;
9022 MonoMethodDesc *desc;
9023 MonoMethodBuilder *mb;
9025 cache = klass->image->proxy_isinst_cache;
9026 if ((res = mono_marshal_find_in_cache (cache, klass)))
9030 isint_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
9031 isint_sig->params [0] = &mono_defaults.object_class->byval_arg;
9032 isint_sig->ret = &mono_defaults.object_class->byval_arg;
9033 isint_sig->pinvoke = 0;
9036 name = g_strdup_printf ("__proxy_isinst_wrapper_%s", klass->name);
9037 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_PROXY_ISINST);
9040 mb->method->save_lmf = 1;
9042 /* get the real proxy from the transparent proxy*/
9043 mono_mb_emit_ldarg (mb, 0);
9044 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
9045 mono_mb_emit_byte (mb, CEE_LDIND_REF);
9047 /* get the reflection type from the type handle */
9048 mono_mb_emit_ptr (mb, &klass->byval_arg);
9049 mono_mb_emit_icall (mb, type_from_handle);
9051 mono_mb_emit_ldarg (mb, 0);
9053 /* make the call to CanCastTo (type, ob) */
9054 desc = mono_method_desc_new ("IRemotingTypeInfo:CanCastTo", FALSE);
9055 can_cast_to = mono_method_desc_search_in_class (desc, mono_defaults.iremotingtypeinfo_class);
9056 g_assert (can_cast_to);
9057 mono_method_desc_free (desc);
9058 mono_mb_emit_op (mb, CEE_CALLVIRT, can_cast_to);
9060 pos_failed = mono_mb_emit_branch (mb, CEE_BRFALSE);
9062 /* Upgrade the proxy vtable by calling: mono_upgrade_remote_class_wrapper (type, ob)*/
9063 mono_mb_emit_ptr (mb, &klass->byval_arg);
9064 mono_mb_emit_icall (mb, type_from_handle);
9065 mono_mb_emit_ldarg (mb, 0);
9067 mono_mb_emit_icall (mb, mono_upgrade_remote_class_wrapper);
9068 emit_thread_interrupt_checkpoint (mb);
9070 mono_mb_emit_ldarg (mb, 0);
9071 pos_end = mono_mb_emit_branch (mb, CEE_BR);
9075 mono_mb_patch_addr (mb, pos_failed, mb->pos - (pos_failed + 4));
9076 mono_mb_emit_byte (mb, CEE_LDNULL);
9080 mono_mb_patch_addr (mb, pos_end, mb->pos - (pos_end + 4));
9081 mono_mb_emit_byte (mb, CEE_RET);
9083 res = mono_mb_create_and_cache (cache, klass, mb, isint_sig, isint_sig->param_count + 16);
9090 mono_upgrade_remote_class_wrapper (MonoReflectionType *rtype, MonoTransparentProxy *tproxy)
9093 MonoDomain *domain = ((MonoObject*)tproxy)->vtable->domain;
9094 klass = mono_class_from_mono_type (rtype->type);
9095 mono_upgrade_remote_class (domain, (MonoObject*)tproxy, klass);
9099 * mono_marshal_get_struct_to_ptr:
9102 * generates IL code for StructureToPtr (object structure, IntPtr ptr, bool fDeleteOld)
9105 mono_marshal_get_struct_to_ptr (MonoClass *klass)
9107 MonoMethodBuilder *mb;
9108 static MonoMethod *stoptr = NULL;
9111 g_assert (klass != NULL);
9113 mono_marshal_load_type_info (klass);
9115 if (klass->marshal_info->str_to_ptr)
9116 return klass->marshal_info->str_to_ptr;
9119 stoptr = mono_class_get_method_from_name (mono_defaults.marshal_class, "StructureToPtr", 3);
9122 mb = mono_mb_new (klass, stoptr->name, MONO_WRAPPER_UNKNOWN);
9124 if (klass->blittable) {
9125 mono_mb_emit_byte (mb, CEE_LDARG_1);
9126 mono_mb_emit_byte (mb, CEE_LDARG_0);
9127 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
9128 mono_mb_emit_icon (mb, mono_class_value_size (klass, NULL));
9129 mono_mb_emit_byte (mb, CEE_PREFIX1);
9130 mono_mb_emit_byte (mb, CEE_CPBLK);
9133 /* allocate local 0 (pointer) src_ptr */
9134 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9135 /* allocate local 1 (pointer) dst_ptr */
9136 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9137 /* allocate local 2 (boolean) delete_old */
9138 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
9139 mono_mb_emit_byte (mb, CEE_LDARG_2);
9140 mono_mb_emit_stloc (mb, 2);
9142 /* initialize src_ptr to point to the start of object data */
9143 mono_mb_emit_byte (mb, CEE_LDARG_0);
9144 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
9145 mono_mb_emit_stloc (mb, 0);
9147 /* initialize dst_ptr */
9148 mono_mb_emit_byte (mb, CEE_LDARG_1);
9149 mono_mb_emit_stloc (mb, 1);
9151 emit_struct_conv (mb, klass, FALSE);
9154 mono_mb_emit_byte (mb, CEE_RET);
9156 res = mono_mb_create_method (mb, mono_method_signature (stoptr), 0);
9159 klass->marshal_info->str_to_ptr = res;
9164 * mono_marshal_get_ptr_to_struct:
9167 * generates IL code for PtrToStructure (IntPtr src, object structure)
9170 mono_marshal_get_ptr_to_struct (MonoClass *klass)
9172 MonoMethodBuilder *mb;
9173 static MonoMethodSignature *ptostr = NULL;
9176 g_assert (klass != NULL);
9178 mono_marshal_load_type_info (klass);
9180 if (klass->marshal_info->ptr_to_str)
9181 return klass->marshal_info->ptr_to_str;
9184 /* Create the signature corresponding to
9185 static void PtrToStructure (IntPtr ptr, object structure);
9186 defined in class/corlib/System.Runtime.InteropServices/Marshal.cs */
9187 ptostr = mono_create_icall_signature ("void ptr object");
9189 mb = mono_mb_new (klass, "PtrToStructure", MONO_WRAPPER_UNKNOWN);
9191 if (klass->blittable) {
9192 mono_mb_emit_byte (mb, CEE_LDARG_1);
9193 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
9194 mono_mb_emit_byte (mb, CEE_LDARG_0);
9195 mono_mb_emit_icon (mb, mono_class_value_size (klass, NULL));
9196 mono_mb_emit_byte (mb, CEE_PREFIX1);
9197 mono_mb_emit_byte (mb, CEE_CPBLK);
9200 /* allocate local 0 (pointer) src_ptr */
9201 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9202 /* allocate local 1 (pointer) dst_ptr */
9203 mono_mb_add_local (mb, &klass->this_arg);
9205 /* initialize src_ptr to point to the start of object data */
9206 mono_mb_emit_byte (mb, CEE_LDARG_0);
9207 mono_mb_emit_stloc (mb, 0);
9209 /* initialize dst_ptr */
9210 mono_mb_emit_byte (mb, CEE_LDARG_1);
9211 mono_mb_emit_op (mb, CEE_UNBOX, klass);
9212 mono_mb_emit_stloc (mb, 1);
9214 emit_struct_conv (mb, klass, TRUE);
9217 mono_mb_emit_byte (mb, CEE_RET);
9219 res = mono_mb_create_method (mb, ptostr, 0);
9222 klass->marshal_info->ptr_to_str = res;
9227 * generates IL code for the synchronized wrapper: the generated method
9228 * calls METHOD while locking 'this' or the parent type.
9231 mono_marshal_get_synchronized_wrapper (MonoMethod *method)
9233 static MonoMethod *enter_method, *exit_method;
9234 MonoMethodSignature *sig;
9235 MonoExceptionClause *clause;
9236 MonoMethodHeader *header;
9237 MonoMethodBuilder *mb;
9240 int i, pos, this_local, ret_local = 0;
9244 if (method->wrapper_type == MONO_WRAPPER_SYNCHRONIZED)
9247 cache = method->klass->image->synchronized_cache;
9248 if ((res = mono_marshal_find_in_cache (cache, method)))
9251 sig = signature_dup (method->klass->image, mono_method_signature (method));
9254 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_SYNCHRONIZED);
9257 if (!MONO_TYPE_IS_VOID (sig->ret))
9258 ret_local = mono_mb_add_local (mb, sig->ret);
9261 this_local = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
9263 mono_loader_lock ();
9264 clause = mono_mempool_alloc0 (method->klass->image->mempool, sizeof (MonoExceptionClause));
9265 mono_loader_unlock ();
9266 clause->flags = MONO_EXCEPTION_CLAUSE_FINALLY;
9268 if (!enter_method) {
9269 MonoMethodDesc *desc;
9271 desc = mono_method_desc_new ("Monitor:Enter", FALSE);
9272 enter_method = mono_method_desc_search_in_class (desc, mono_defaults.monitor_class);
9273 g_assert (enter_method);
9274 mono_method_desc_free (desc);
9275 desc = mono_method_desc_new ("Monitor:Exit", FALSE);
9276 exit_method = mono_method_desc_search_in_class (desc, mono_defaults.monitor_class);
9277 g_assert (exit_method);
9278 mono_method_desc_free (desc);
9281 /* Push this or the type object */
9282 if (method->flags & METHOD_ATTRIBUTE_STATIC) {
9284 * GetTypeFromHandle isn't called as a managed method because it has
9285 * a funky calling sequence, e.g. ldtoken+GetTypeFromHandle gets
9286 * transformed into something else by the JIT.
9288 mono_mb_emit_ptr (mb, &method->klass->byval_arg);
9289 mono_mb_emit_icall (mb, type_from_handle);
9292 mono_mb_emit_ldarg (mb, 0);
9293 mono_mb_emit_stloc (mb, this_local);
9295 /* Call Monitor::Enter() */
9296 mono_mb_emit_ldloc (mb, this_local);
9297 mono_mb_emit_managed_call (mb, enter_method, NULL);
9299 clause->try_offset = mb->pos;
9301 /* Call the method */
9303 mono_mb_emit_ldarg (mb, 0);
9304 for (i = 0; i < sig->param_count; i++)
9305 mono_mb_emit_ldarg (mb, i + (sig->hasthis == TRUE));
9307 /* this is needed to avoid recursion */
9308 mono_mb_emit_byte (mb, CEE_PREFIX1);
9309 mono_mb_emit_op (mb, CEE_LDFTN, method);
9310 mono_mb_emit_calli (mb, mono_method_signature (method));
9312 if (!MONO_TYPE_IS_VOID (sig->ret))
9313 mono_mb_emit_stloc (mb, ret_local);
9315 pos = mono_mb_emit_branch (mb, CEE_LEAVE);
9317 clause->try_len = mb->pos - clause->try_offset;
9318 clause->handler_offset = mb->pos;
9320 /* Call Monitor::Exit() */
9321 mono_mb_emit_ldloc (mb, this_local);
9322 /* mono_mb_emit_native_call (mb, exit_sig, mono_monitor_exit); */
9323 mono_mb_emit_managed_call (mb, exit_method, NULL);
9324 mono_mb_emit_byte (mb, CEE_ENDFINALLY);
9326 clause->handler_len = mb->pos - clause->handler_offset;
9328 mono_mb_patch_branch (mb, pos);
9329 if (!MONO_TYPE_IS_VOID (sig->ret))
9330 mono_mb_emit_ldloc (mb, ret_local);
9331 mono_mb_emit_byte (mb, CEE_RET);
9333 res = mono_mb_create_and_cache (cache, method,
9334 mb, sig, sig->param_count + 16);
9337 header = ((MonoMethodNormal *)res)->header;
9338 header->num_clauses = 1;
9339 header->clauses = clause;
9346 * the returned method calls 'method' unboxing the this argument
9349 mono_marshal_get_unbox_wrapper (MonoMethod *method)
9351 MonoMethodSignature *sig = mono_method_signature (method);
9353 MonoMethodBuilder *mb;
9357 cache = method->klass->image->unbox_wrapper_cache;
9358 if ((res = mono_marshal_find_in_cache (cache, method)))
9361 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_UNBOX);
9363 g_assert (sig->hasthis);
9365 mono_mb_emit_ldarg (mb, 0);
9366 mono_mb_emit_icon (mb, sizeof (MonoObject));
9367 mono_mb_emit_byte (mb, CEE_ADD);
9368 for (i = 0; i < sig->param_count; ++i)
9369 mono_mb_emit_ldarg (mb, i + 1);
9370 mono_mb_emit_managed_call (mb, method, NULL);
9371 mono_mb_emit_byte (mb, CEE_RET);
9373 res = mono_mb_create_and_cache (cache, method,
9374 mb, sig, sig->param_count + 16);
9377 /* 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)); */
9383 mono_marshal_get_stelemref ()
9385 static MonoMethod* ret = NULL;
9386 MonoMethodSignature *sig;
9387 MonoMethodBuilder *mb;
9389 guint32 b1, b2, b3, b4;
9392 int array_slot_addr;
9397 mb = mono_mb_new (mono_defaults.object_class, "stelemref", MONO_WRAPPER_STELEMREF);
9400 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
9402 /* void stelemref (void* array, int idx, void* value) */
9403 sig->ret = &mono_defaults.void_class->byval_arg;
9404 sig->params [0] = &mono_defaults.object_class->byval_arg;
9405 sig->params [1] = &mono_defaults.int_class->byval_arg; /* this is a natural sized int */
9406 sig->params [2] = &mono_defaults.object_class->byval_arg;
9408 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9409 vklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9410 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
9414 <ldelema (bound check)>
9418 aklass = array->vtable->klass->element_class;
9419 vklass = value->vtable->klass;
9421 if (vklass->idepth < aklass->idepth)
9424 if (vklass->supertypes [aklass->idepth - 1] != aklass)
9428 *array_slot_addr = value;
9432 if (mono_object_isinst (value, aklass))
9435 throw new ArrayTypeMismatchException ();
9438 /* ldelema (implicit bound check) */
9439 mono_mb_emit_ldarg (mb, 0);
9440 mono_mb_emit_ldarg (mb, 1);
9441 mono_mb_emit_op (mb, CEE_LDELEMA, mono_defaults.object_class);
9442 mono_mb_emit_stloc (mb, array_slot_addr);
9444 /* if (!value) goto do_store */
9445 mono_mb_emit_ldarg (mb, 2);
9446 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
9448 /* aklass = array->vtable->klass->element_class */
9449 mono_mb_emit_ldarg (mb, 0);
9450 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
9451 mono_mb_emit_byte (mb, CEE_LDIND_I);
9452 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, klass));
9453 mono_mb_emit_byte (mb, CEE_LDIND_I);
9454 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, element_class));
9455 mono_mb_emit_byte (mb, CEE_LDIND_I);
9456 mono_mb_emit_stloc (mb, aklass);
9458 /* vklass = value->vtable->klass */
9459 mono_mb_emit_ldarg (mb, 2);
9460 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
9461 mono_mb_emit_byte (mb, CEE_LDIND_I);
9462 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, klass));
9463 mono_mb_emit_byte (mb, CEE_LDIND_I);
9464 mono_mb_emit_stloc (mb, vklass);
9466 /* if (vklass->idepth < aklass->idepth) goto failue */
9467 mono_mb_emit_ldloc (mb, vklass);
9468 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
9469 mono_mb_emit_byte (mb, CEE_LDIND_U2);
9471 mono_mb_emit_ldloc (mb, aklass);
9472 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
9473 mono_mb_emit_byte (mb, CEE_LDIND_U2);
9475 b2 = mono_mb_emit_branch (mb, CEE_BLT_UN);
9477 /* if (vklass->supertypes [aklass->idepth - 1] != aklass) goto failure */
9478 mono_mb_emit_ldloc (mb, vklass);
9479 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, supertypes));
9480 mono_mb_emit_byte (mb, CEE_LDIND_I);
9482 mono_mb_emit_ldloc (mb, aklass);
9483 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
9484 mono_mb_emit_byte (mb, CEE_LDIND_U2);
9485 mono_mb_emit_icon (mb, 1);
9486 mono_mb_emit_byte (mb, CEE_SUB);
9487 mono_mb_emit_icon (mb, sizeof (void*));
9488 mono_mb_emit_byte (mb, CEE_MUL);
9489 mono_mb_emit_byte (mb, CEE_ADD);
9490 mono_mb_emit_byte (mb, CEE_LDIND_I);
9492 mono_mb_emit_ldloc (mb, aklass);
9494 b3 = mono_mb_emit_branch (mb, CEE_BNE_UN);
9498 mono_mb_patch_branch (mb, b1);
9499 mono_mb_emit_ldloc (mb, array_slot_addr);
9500 mono_mb_emit_ldarg (mb, 2);
9501 mono_mb_emit_byte (mb, CEE_STIND_REF);
9503 mono_mb_emit_byte (mb, CEE_RET);
9506 mono_mb_patch_branch (mb, b2);
9507 mono_mb_patch_branch (mb, b3);
9509 mono_mb_emit_ldarg (mb, 2);
9510 mono_mb_emit_ldloc (mb, aklass);
9511 mono_mb_emit_icall (mb, mono_object_isinst);
9513 b4 = mono_mb_emit_branch (mb, CEE_BRTRUE);
9514 mono_mb_patch_addr (mb, b4, copy_pos - (b4 + 4));
9515 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
9517 mono_mb_emit_byte (mb, CEE_RET);
9518 ret = mono_mb_create_method (mb, sig, 4);
9529 /* LOCKING: vars accessed under the marshal lock */
9530 static ArrayElemAddr *elem_addr_cache = NULL;
9531 static int elem_addr_cache_size = 0;
9532 static int elem_addr_cache_next = 0;
9535 * mono_marshal_get_array_address:
9536 * @rank: rank of the array type
9537 * @elem_size: size in bytes of an element of an array.
9539 * Returns a MonoMethd that implements the code to get the address
9540 * of an element in a multi-dimenasional array of @rank dimensions.
9541 * The returned method takes an array as the first argument and then
9542 * @rank indexes for the @rank dimensions.
9545 mono_marshal_get_array_address (int rank, int elem_size)
9548 MonoMethodBuilder *mb;
9549 MonoMethodSignature *sig;
9550 int i, bounds, ind, realidx;
9551 int branch_pos, *branch_positions;
9555 mono_marshal_lock ();
9556 for (i = 0; i < elem_addr_cache_next; ++i) {
9557 if (elem_addr_cache [i].rank == rank && elem_addr_cache [i].elem_size == elem_size) {
9558 ret = elem_addr_cache [i].method;
9562 mono_marshal_unlock ();
9566 branch_positions = g_new0 (int, rank);
9568 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1 + rank);
9570 /* void* address (void* array, int idx0, int idx1, int idx2, ...) */
9571 sig->ret = &mono_defaults.int_class->byval_arg;
9572 sig->params [0] = &mono_defaults.object_class->byval_arg;
9573 for (i = 0; i < rank; ++i) {
9574 sig->params [i + 1] = &mono_defaults.int32_class->byval_arg;
9577 mb = mono_mb_new (mono_defaults.object_class, "ElementAddr", MONO_WRAPPER_MANAGED_TO_MANAGED);
9579 bounds = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9580 ind = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
9581 realidx = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
9583 /* bounds = array->bounds; */
9584 mono_mb_emit_ldarg (mb, 0);
9585 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoArray, bounds));
9586 mono_mb_emit_byte (mb, CEE_LDIND_I);
9587 mono_mb_emit_stloc (mb, bounds);
9589 /* ind is the overall element index, realidx is the partial index in a single dimension */
9590 /* ind = idx0 - bounds [0].lower_bound */
9591 mono_mb_emit_ldarg (mb, 1);
9592 mono_mb_emit_ldloc (mb, bounds);
9593 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArrayBounds, lower_bound));
9594 mono_mb_emit_byte (mb, CEE_ADD);
9595 mono_mb_emit_byte (mb, CEE_LDIND_I4);
9596 mono_mb_emit_byte (mb, CEE_SUB);
9597 mono_mb_emit_stloc (mb, ind);
9598 /* if (ind >= bounds [0].length) goto exeception; */
9599 mono_mb_emit_ldloc (mb, ind);
9600 mono_mb_emit_ldloc (mb, bounds);
9601 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArrayBounds, length));
9602 mono_mb_emit_byte (mb, CEE_ADD);
9603 mono_mb_emit_byte (mb, CEE_LDIND_I4);
9604 /* note that we use unsigned comparison */
9605 branch_pos = mono_mb_emit_branch (mb, CEE_BGE_UN);
9607 /* For large ranks (> 4?) use a loop n IL later to reduce code size.
9608 * We could also decide to ignore the passed elem_size and get it
9609 * from the array object, to reduce the number of methods we generate:
9610 * the additional cost is 3 memory loads and a non-immediate mul.
9612 for (i = 1; i < rank; ++i) {
9613 /* realidx = idxi - bounds [i].lower_bound */
9614 mono_mb_emit_ldarg (mb, 1 + i);
9615 mono_mb_emit_ldloc (mb, bounds);
9616 mono_mb_emit_icon (mb, (i * sizeof (MonoArrayBounds)) + G_STRUCT_OFFSET (MonoArrayBounds, lower_bound));
9617 mono_mb_emit_byte (mb, CEE_ADD);
9618 mono_mb_emit_byte (mb, CEE_LDIND_I4);
9619 mono_mb_emit_byte (mb, CEE_SUB);
9620 mono_mb_emit_stloc (mb, realidx);
9621 /* if (realidx >= bounds [i].length) goto exeception; */
9622 mono_mb_emit_ldloc (mb, realidx);
9623 mono_mb_emit_ldloc (mb, bounds);
9624 mono_mb_emit_icon (mb, (i * sizeof (MonoArrayBounds)) + G_STRUCT_OFFSET (MonoArrayBounds, length));
9625 mono_mb_emit_byte (mb, CEE_ADD);
9626 mono_mb_emit_byte (mb, CEE_LDIND_I4);
9627 branch_positions [i] = mono_mb_emit_branch (mb, CEE_BGE_UN);
9628 /* ind = ind * bounds [i].length + realidx */
9629 mono_mb_emit_ldloc (mb, ind);
9630 mono_mb_emit_ldloc (mb, bounds);
9631 mono_mb_emit_icon (mb, (i * sizeof (MonoArrayBounds)) + G_STRUCT_OFFSET (MonoArrayBounds, length));
9632 mono_mb_emit_byte (mb, CEE_ADD);
9633 mono_mb_emit_byte (mb, CEE_LDIND_I4);
9634 mono_mb_emit_byte (mb, CEE_MUL);
9635 mono_mb_emit_ldloc (mb, realidx);
9636 mono_mb_emit_byte (mb, CEE_ADD);
9637 mono_mb_emit_stloc (mb, ind);
9640 /* return array->vector + ind * element_size */
9641 mono_mb_emit_ldarg (mb, 0);
9642 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoArray, vector));
9643 mono_mb_emit_ldloc (mb, ind);
9644 mono_mb_emit_icon (mb, elem_size);
9645 mono_mb_emit_byte (mb, CEE_MUL);
9646 mono_mb_emit_byte (mb, CEE_ADD);
9647 mono_mb_emit_byte (mb, CEE_RET);
9649 /* patch the branches to get here and throw */
9650 for (i = 1; i < rank; ++i) {
9651 mono_mb_patch_branch (mb, branch_positions [i]);
9653 mono_mb_patch_branch (mb, branch_pos);
9654 /* throw exception */
9655 mono_mb_emit_exception (mb, "IndexOutOfRangeException", NULL);
9657 g_free (branch_positions);
9658 ret = mono_mb_create_method (mb, sig, 4);
9661 /* cache the result */
9663 mono_marshal_lock ();
9664 for (i = 0; i < elem_addr_cache_next; ++i) {
9665 if (elem_addr_cache [i].rank == rank && elem_addr_cache [i].elem_size == elem_size) {
9666 /* FIXME: free ret */
9667 ret = elem_addr_cache [i].method;
9673 if (elem_addr_cache_next >= elem_addr_cache_size) {
9674 int new_size = elem_addr_cache_size + 4;
9675 ArrayElemAddr *new_array = g_new0 (ArrayElemAddr, new_size);
9676 memcpy (new_array, elem_addr_cache, elem_addr_cache_size * sizeof (ArrayElemAddr));
9677 g_free (elem_addr_cache);
9678 elem_addr_cache = new_array;
9679 elem_addr_cache_size = new_size;
9681 elem_addr_cache [elem_addr_cache_next].rank = rank;
9682 elem_addr_cache [elem_addr_cache_next].elem_size = elem_size;
9683 elem_addr_cache [elem_addr_cache_next].method = ret;
9685 mono_marshal_unlock ();
9690 mono_marshal_get_write_barrier (void)
9692 static MonoMethod* ret = NULL;
9693 MonoMethodSignature *sig;
9694 MonoMethodBuilder *mb;
9700 mb = mono_mb_new (mono_defaults.object_class, "writebarrier", MONO_WRAPPER_WRITE_BARRIER);
9702 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 2);
9704 /* void writebarrier (MonoObject** addr, MonoObject* obj) */
9705 sig->ret = &mono_defaults.void_class->byval_arg;
9706 sig->params [0] = &mono_defaults.object_class->this_arg;
9707 sig->params [1] = &mono_defaults.object_class->byval_arg;
9709 /* just the store right now: add an hook for the GC to use, maybe something
9710 * that can be used for stelemref as well
9711 * We need a write barrier variant to be used with struct copies as well, though
9712 * there are also other approaches possible, like writing a wrapper specific to
9713 * the struct or to the reference pattern in the struct...
9714 * Depending on the GC, we may want variants that take the object we store to
9715 * when it is available.
9717 mono_mb_emit_ldarg (mb, 0);
9718 mono_mb_emit_ldarg (mb, 1);
9719 mono_mb_emit_icall (mb, mono_gc_wbarrier_generic_store);
9720 /*mono_mb_emit_byte (mb, CEE_STIND_REF);*/
9722 mono_mb_emit_byte (mb, CEE_RET);
9724 ret = mono_mb_create_method (mb, sig, max_stack);
9730 mono_marshal_alloc (gulong size)
9734 #ifdef PLATFORM_WIN32
9735 res = CoTaskMemAlloc (size);
9737 res = g_try_malloc ((gulong)size);
9739 mono_gc_out_of_memory ((gulong)size);
9745 mono_marshal_free (gpointer ptr)
9747 #ifdef PLATFORM_WIN32
9748 CoTaskMemFree (ptr);
9755 mono_marshal_free_array (gpointer *ptr, int size)
9762 for (i = 0; i < size; i++)
9768 mono_marshal_realloc (gpointer ptr, gpointer size)
9770 MONO_ARCH_SAVE_REGS;
9772 return g_try_realloc (ptr, (gulong)size);
9776 mono_marshal_string_to_utf16 (MonoString *s)
9778 return s ? mono_string_chars (s) : NULL;
9782 * mono_marshal_set_last_error:
9784 * This function is invoked to set the last error value from a P/Invoke call
9785 * which has SetLastError set.
9788 mono_marshal_set_last_error (void)
9791 TlsSetValue (last_error_tls_id, GINT_TO_POINTER (GetLastError ()));
9793 TlsSetValue (last_error_tls_id, GINT_TO_POINTER (errno));
9798 mono_marshal_set_last_error_windows (int error)
9801 TlsSetValue (last_error_tls_id, GINT_TO_POINTER (error));
9806 ves_icall_System_Runtime_InteropServices_Marshal_copy_to_unmanaged (MonoArray *src, gint32 start_index,
9807 gpointer dest, gint32 length)
9812 MONO_ARCH_SAVE_REGS;
9814 MONO_CHECK_ARG_NULL (src);
9815 MONO_CHECK_ARG_NULL (dest);
9817 if (src->obj.vtable->klass->rank != 1)
9818 mono_raise_exception (mono_get_exception_argument ("array", "array is multi-dimensional"));
9819 if (start_index < 0)
9820 mono_raise_exception (mono_get_exception_argument ("startIndex", "Must be >= 0"));
9822 mono_raise_exception (mono_get_exception_argument ("length", "Must be >= 0"));
9823 if (start_index + length > mono_array_length (src))
9824 mono_raise_exception (mono_get_exception_argument ("length", "start_index + length > array length"));
9826 element_size = mono_array_element_size (src->obj.vtable->klass);
9828 /* no references should be involved */
9829 source_addr = mono_array_addr_with_size (src, element_size, start_index);
9831 memcpy (dest, source_addr, length * element_size);
9835 ves_icall_System_Runtime_InteropServices_Marshal_copy_from_unmanaged (gpointer src, gint32 start_index,
9836 MonoArray *dest, gint32 length)
9841 MONO_ARCH_SAVE_REGS;
9843 MONO_CHECK_ARG_NULL (src);
9844 MONO_CHECK_ARG_NULL (dest);
9846 if (dest->obj.vtable->klass->rank != 1)
9847 mono_raise_exception (mono_get_exception_argument ("array", "array is multi-dimensional"));
9848 if (start_index < 0)
9849 mono_raise_exception (mono_get_exception_argument ("startIndex", "Must be >= 0"));
9851 mono_raise_exception (mono_get_exception_argument ("length", "Must be >= 0"));
9852 if (start_index + length > mono_array_length (dest))
9853 mono_raise_exception (mono_get_exception_argument ("length", "start_index + length > array length"));
9855 element_size = mono_array_element_size (dest->obj.vtable->klass);
9857 /* no references should be involved */
9858 dest_addr = mono_array_addr_with_size (dest, element_size, start_index);
9860 memcpy (dest_addr, src, length * element_size);
9863 #if NO_UNALIGNED_ACCESS
9864 #define RETURN_UNALIGNED(type, addr) \
9867 memcpy(&val, p + offset, sizeof(val)); \
9870 #define WRITE_UNALIGNED(type, addr, val) \
9871 memcpy(addr, &val, sizeof(type))
9873 #define RETURN_UNALIGNED(type, addr) \
9874 return *(type*)(p + offset);
9875 #define WRITE_UNALIGNED(type, addr, val) \
9876 (*(type *)(addr) = (val))
9880 ves_icall_System_Runtime_InteropServices_Marshal_ReadIntPtr (gpointer ptr, gint32 offset)
9884 MONO_ARCH_SAVE_REGS;
9886 RETURN_UNALIGNED(gpointer, p + offset);
9890 ves_icall_System_Runtime_InteropServices_Marshal_ReadByte (gpointer ptr, gint32 offset)
9894 MONO_ARCH_SAVE_REGS;
9896 return *(unsigned char*)(p + offset);
9900 ves_icall_System_Runtime_InteropServices_Marshal_ReadInt16 (gpointer ptr, gint32 offset)
9904 MONO_ARCH_SAVE_REGS;
9906 RETURN_UNALIGNED(gint16, p + offset);
9910 ves_icall_System_Runtime_InteropServices_Marshal_ReadInt32 (gpointer ptr, gint32 offset)
9914 MONO_ARCH_SAVE_REGS;
9916 RETURN_UNALIGNED(gint32, p + offset);
9920 ves_icall_System_Runtime_InteropServices_Marshal_ReadInt64 (gpointer ptr, gint32 offset)
9924 MONO_ARCH_SAVE_REGS;
9926 RETURN_UNALIGNED(gint64, p + offset);
9930 ves_icall_System_Runtime_InteropServices_Marshal_WriteByte (gpointer ptr, gint32 offset, unsigned char val)
9934 MONO_ARCH_SAVE_REGS;
9936 *(unsigned char*)(p + offset) = val;
9940 ves_icall_System_Runtime_InteropServices_Marshal_WriteIntPtr (gpointer ptr, gint32 offset, gpointer val)
9944 MONO_ARCH_SAVE_REGS;
9946 WRITE_UNALIGNED(gpointer, p + offset, val);
9950 ves_icall_System_Runtime_InteropServices_Marshal_WriteInt16 (gpointer ptr, gint32 offset, gint16 val)
9954 MONO_ARCH_SAVE_REGS;
9956 WRITE_UNALIGNED(gint16, p + offset, val);
9960 ves_icall_System_Runtime_InteropServices_Marshal_WriteInt32 (gpointer ptr, gint32 offset, gint32 val)
9964 MONO_ARCH_SAVE_REGS;
9966 WRITE_UNALIGNED(gint32, p + offset, val);
9970 ves_icall_System_Runtime_InteropServices_Marshal_WriteInt64 (gpointer ptr, gint32 offset, gint64 val)
9974 MONO_ARCH_SAVE_REGS;
9976 WRITE_UNALIGNED(gint64, p + offset, val);
9980 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringAnsi (char *ptr)
9982 MONO_ARCH_SAVE_REGS;
9987 return mono_string_new (mono_domain_get (), ptr);
9991 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringAnsi_len (char *ptr, gint32 len)
9993 MONO_ARCH_SAVE_REGS;
9996 mono_raise_exception (mono_get_exception_argument_null ("ptr"));
9997 g_assert_not_reached ();
10000 return mono_string_new_len (mono_domain_get (), ptr, len);
10005 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringUni (guint16 *ptr)
10007 MonoDomain *domain = mono_domain_get ();
10011 MONO_ARCH_SAVE_REGS;
10019 return mono_string_new_utf16 (domain, ptr, len);
10023 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringUni_len (guint16 *ptr, gint32 len)
10025 MonoDomain *domain = mono_domain_get ();
10027 MONO_ARCH_SAVE_REGS;
10030 mono_raise_exception (mono_get_exception_argument_null ("ptr"));
10031 g_assert_not_reached ();
10034 return mono_string_new_utf16 (domain, ptr, len);
10039 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringBSTR (gpointer ptr)
10041 MONO_ARCH_SAVE_REGS;
10043 return mono_string_from_bstr(ptr);
10047 ves_icall_System_Runtime_InteropServices_Marshal_StringToBSTR (MonoString* ptr)
10049 MONO_ARCH_SAVE_REGS;
10051 return mono_string_to_bstr(ptr);
10056 int (STDCALL *QueryInterface)(gpointer pUnk, gpointer riid, gpointer* ppv);
10057 int (STDCALL *AddRef)(gpointer pUnk);
10058 int (STDCALL *Release)(gpointer pUnk);
10062 ves_icall_System_Runtime_InteropServices_Marshal_FreeBSTR (gpointer ptr)
10064 MONO_ARCH_SAVE_REGS;
10066 mono_free_bstr (ptr);
10070 ves_icall_System_Runtime_InteropServices_Marshal_AddRefInternal (gpointer pUnk)
10073 return (*(MonoIUnknown**)pUnk)->AddRef(pUnk);
10077 ves_icall_System_Runtime_InteropServices_Marshal_QueryInterfaceInternal (gpointer pUnk, gpointer riid, gpointer* ppv)
10080 return (*(MonoIUnknown**)pUnk)->QueryInterface(pUnk, riid, ppv);
10084 ves_icall_System_Runtime_InteropServices_Marshal_ReleaseInternal (gpointer pUnk)
10087 return (*(MonoIUnknown**)pUnk)->Release(pUnk);
10091 cominterop_get_idispatch_for_object (MonoObject* object)
10096 if (cominterop_object_is_rcw (object)) {
10097 /* FIXME: Implement this case */
10098 g_assert_not_reached ();
10102 return cominterop_get_ccw (object, mono_defaults.idispatch_class);
10107 ves_icall_System_Runtime_InteropServices_Marshal_GetIUnknownForObjectInternal (MonoObject* object)
10112 if (cominterop_object_is_rcw (object)) {
10113 MonoClass *klass = NULL;
10114 MonoRealProxy* real_proxy = NULL;
10117 klass = mono_object_class (object);
10118 if (klass != mono_defaults.transparent_proxy_class) {
10119 g_assert_not_reached ();
10123 real_proxy = ((MonoTransparentProxy*)object)->rp;
10125 g_assert_not_reached ();
10129 klass = mono_object_class (real_proxy);
10130 if (klass != mono_defaults.com_interop_proxy_class) {
10131 g_assert_not_reached ();
10135 if (!((MonoComInteropProxy*)real_proxy)->com_object) {
10136 g_assert_not_reached ();
10140 return ((MonoComInteropProxy*)real_proxy)->com_object->iunknown;
10143 return cominterop_get_ccw (object, mono_defaults.iunknown_class);
10148 ves_icall_System_Runtime_InteropServices_Marshal_GetObjectForCCW (void* pUnk)
10150 MonoObject* object = NULL;
10155 /* see if it is a CCW */
10156 object = cominterop_get_ccw_object ((MonoCCWInterface*)pUnk, TRUE);
10162 ves_icall_System_Runtime_InteropServices_Marshal_GetIDispatchForObjectInternal (MonoObject* object)
10164 return cominterop_get_idispatch_for_object (object);
10168 ves_icall_System_Runtime_InteropServices_Marshal_GetCCW (MonoObject* object, MonoReflectionType* type)
10170 MonoClass* klass = NULL;
10173 g_assert (type->type);
10174 klass = mono_type_get_class (type->type);
10176 itf = cominterop_get_ccw (object, klass);
10183 ves_icall_System_Runtime_InteropServices_Marshal_IsComObject (MonoObject* object)
10185 return (MonoBoolean)cominterop_object_is_rcw (object);
10189 ves_icall_System_Runtime_InteropServices_Marshal_ReleaseComObjectInternal (MonoObject* object)
10191 MonoComInteropProxy* proxy = NULL;
10192 gint32 ref_count = 0;
10195 g_assert (cominterop_object_is_rcw (object));
10197 proxy = (MonoComInteropProxy*)((MonoTransparentProxy*)object)->rp;
10200 ref_count = InterlockedDecrement (&proxy->ref_count);
10201 g_assert (ref_count >= 0);
10203 if (ref_count == 0)
10204 ves_icall_System_ComObject_ReleaseInterfaces (proxy->com_object);
10210 ves_icall_System_Runtime_InteropServices_Marshal_GetComSlotForMethodInfoInternal (MonoReflectionMethod *m)
10212 MONO_ARCH_SAVE_REGS;
10214 return cominterop_get_com_slot_for_method (m->method);
10218 ves_icall_System_Runtime_InteropServices_Marshal_GetLastWin32Error (void)
10220 MONO_ARCH_SAVE_REGS;
10222 return (GPOINTER_TO_INT (TlsGetValue (last_error_tls_id)));
10226 ves_icall_System_Runtime_InteropServices_Marshal_SizeOf (MonoReflectionType *rtype)
10232 MONO_ARCH_SAVE_REGS;
10234 MONO_CHECK_ARG_NULL (rtype);
10236 type = rtype->type;
10237 klass = mono_class_from_mono_type (type);
10238 layout = (klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK);
10240 if (layout == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
10242 MonoException *exc;
10244 msg = g_strdup_printf ("Type %s cannot be marshaled as an unmanaged structure.", klass->name);
10245 exc = mono_get_exception_argument ("t", msg);
10247 mono_raise_exception (exc);
10251 return mono_class_native_size (klass, NULL);
10255 ves_icall_System_Runtime_InteropServices_Marshal_StructureToPtr (MonoObject *obj, gpointer dst, MonoBoolean delete_old)
10257 MonoMethod *method;
10260 MONO_ARCH_SAVE_REGS;
10262 MONO_CHECK_ARG_NULL (obj);
10263 MONO_CHECK_ARG_NULL (dst);
10265 method = mono_marshal_get_struct_to_ptr (obj->vtable->klass);
10269 pa [2] = &delete_old;
10271 mono_runtime_invoke (method, NULL, pa, NULL);
10275 ptr_to_structure (gpointer src, MonoObject *dst)
10277 MonoMethod *method;
10280 method = mono_marshal_get_ptr_to_struct (dst->vtable->klass);
10285 mono_runtime_invoke (method, NULL, pa, NULL);
10289 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure (gpointer src, MonoObject *dst)
10293 MONO_ARCH_SAVE_REGS;
10295 MONO_CHECK_ARG_NULL (src);
10296 MONO_CHECK_ARG_NULL (dst);
10298 t = mono_type_get_underlying_type (mono_class_get_type (dst->vtable->klass));
10300 if (t->type == MONO_TYPE_VALUETYPE) {
10301 MonoException *exc;
10304 tmp = g_strdup_printf ("Destination is a boxed value type.");
10305 exc = mono_get_exception_argument ("dst", tmp);
10308 mono_raise_exception (exc);
10312 ptr_to_structure (src, dst);
10316 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure_type (gpointer src, MonoReflectionType *type)
10318 MonoDomain *domain = mono_domain_get ();
10321 MONO_ARCH_SAVE_REGS;
10323 MONO_CHECK_ARG_NULL (src);
10324 MONO_CHECK_ARG_NULL (type);
10326 res = mono_object_new (domain, mono_class_from_mono_type (type->type));
10328 ptr_to_structure (src, res);
10334 ves_icall_System_Runtime_InteropServices_Marshal_OffsetOf (MonoReflectionType *type, MonoString *field_name)
10336 MonoMarshalType *info;
10339 int match_index = -1;
10341 MONO_ARCH_SAVE_REGS;
10343 MONO_CHECK_ARG_NULL (type);
10344 MONO_CHECK_ARG_NULL (field_name);
10346 fname = mono_string_to_utf8 (field_name);
10347 klass = mono_class_from_mono_type (type->type);
10349 while (klass && match_index == -1) {
10350 MonoClassField* field;
10352 gpointer iter = NULL;
10353 while ((field = mono_class_get_fields (klass, &iter))) {
10354 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
10356 if (!strcmp (fname, field->name)) {
10363 if (match_index == -1)
10364 klass = klass->parent;
10369 if(match_index == -1) {
10370 MonoException* exc;
10373 /* Get back original class instance */
10374 klass = mono_class_from_mono_type (type->type);
10376 tmp = g_strdup_printf ("Field passed in is not a marshaled member of the type %s", klass->name);
10377 exc = mono_get_exception_argument ("fieldName", tmp);
10380 mono_raise_exception ((MonoException*)exc);
10383 info = mono_marshal_load_type_info (klass);
10384 return info->fields [match_index].offset;
10388 ves_icall_System_Runtime_InteropServices_Marshal_StringToHGlobalAnsi (MonoString *string)
10390 MONO_ARCH_SAVE_REGS;
10392 return mono_string_to_utf8 (string);
10396 ves_icall_System_Runtime_InteropServices_Marshal_StringToHGlobalUni (MonoString *string)
10398 MONO_ARCH_SAVE_REGS;
10400 if (string == NULL)
10403 gunichar2 *res = g_malloc ((mono_string_length (string) + 1) * 2);
10404 memcpy (res, mono_string_chars (string), mono_string_length (string) * 2);
10405 res [mono_string_length (string)] = 0;
10411 mono_struct_delete_old (MonoClass *klass, char *ptr)
10413 MonoMarshalType *info;
10416 info = mono_marshal_load_type_info (klass);
10418 for (i = 0; i < info->num_fields; i++) {
10419 MonoMarshalNative ntype;
10420 MonoMarshalConv conv;
10421 MonoType *ftype = info->fields [i].field->type;
10424 if (ftype->attrs & FIELD_ATTRIBUTE_STATIC)
10427 ntype = mono_type_to_unmanaged (ftype, info->fields [i].mspec, TRUE,
10428 klass->unicode, &conv);
10430 cpos = ptr + info->fields [i].offset;
10433 case MONO_MARSHAL_CONV_NONE:
10434 if (MONO_TYPE_ISSTRUCT (ftype)) {
10435 mono_struct_delete_old (ftype->data.klass, cpos);
10439 case MONO_MARSHAL_CONV_STR_LPWSTR:
10440 /* We assume this field points inside a MonoString */
10442 case MONO_MARSHAL_CONV_STR_LPSTR:
10443 case MONO_MARSHAL_CONV_STR_LPTSTR:
10444 case MONO_MARSHAL_CONV_STR_BSTR:
10445 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
10446 case MONO_MARSHAL_CONV_STR_TBSTR:
10447 mono_marshal_free (*(gpointer *)cpos);
10457 ves_icall_System_Runtime_InteropServices_Marshal_DestroyStructure (gpointer src, MonoReflectionType *type)
10461 MONO_ARCH_SAVE_REGS;
10463 MONO_CHECK_ARG_NULL (src);
10464 MONO_CHECK_ARG_NULL (type);
10466 klass = mono_class_from_mono_type (type->type);
10468 mono_struct_delete_old (klass, (char *)src);
10472 ves_icall_System_Runtime_InteropServices_Marshal_AllocHGlobal (int size)
10476 MONO_ARCH_SAVE_REGS;
10478 if ((gulong)size == 0)
10479 /* This returns a valid pointer for size 0 on MS.NET */
10482 #ifdef PLATFORM_WIN32
10483 res = GlobalAlloc (GMEM_FIXED, (gulong)size);
10485 res = g_try_malloc ((gulong)size);
10488 mono_gc_out_of_memory ((gulong)size);
10494 ves_icall_System_Runtime_InteropServices_Marshal_FreeHGlobal (void *ptr)
10496 MONO_ARCH_SAVE_REGS;
10498 #ifdef PLATFORM_WIN32
10506 ves_icall_System_Runtime_InteropServices_Marshal_AllocCoTaskMem (int size)
10508 MONO_ARCH_SAVE_REGS;
10510 #ifdef PLATFORM_WIN32
10511 return CoTaskMemAlloc (size);
10513 return g_try_malloc ((gulong)size);
10518 ves_icall_System_Runtime_InteropServices_Marshal_FreeCoTaskMem (void *ptr)
10520 MONO_ARCH_SAVE_REGS;
10522 #ifdef PLATFORM_WIN32
10523 CoTaskMemFree (ptr);
10530 ves_icall_System_Runtime_InteropServices_Marshal_ReAllocCoTaskMem (gpointer ptr, int size)
10532 MONO_ARCH_SAVE_REGS;
10534 #ifdef PLATFORM_WIN32
10535 return CoTaskMemRealloc (ptr, size);
10537 return g_try_realloc (ptr, (gulong)size);
10542 ves_icall_System_Runtime_InteropServices_Marshal_UnsafeAddrOfPinnedArrayElement (MonoArray *arrayobj, int index)
10544 return mono_array_addr_with_size (arrayobj, mono_array_element_size (arrayobj->obj.vtable->klass), index);
10548 ves_icall_System_Runtime_InteropServices_Marshal_GetDelegateForFunctionPointerInternal (void *ftn, MonoReflectionType *type)
10550 return mono_ftnptr_to_delegate (mono_type_get_class (type->type), ftn);
10553 /* Only used for COM RCWs */
10555 ves_icall_System_ComObject_CreateRCW (MonoReflectionType *type)
10558 MonoDomain *domain;
10561 MONO_ARCH_SAVE_REGS;
10563 domain = mono_object_domain (type);
10564 klass = mono_class_from_mono_type (type->type);
10566 /* call mono_object_new_alloc_specific instead of mono_object_new
10567 * because we want to actually create object. mono_object_new checks
10568 * to see if type is import and creates transparent proxy. this method
10569 * is called by the corresponding real proxy to create the real RCW.
10570 * Constructor does not need to be called. Will be called later.
10572 obj = mono_object_new_alloc_specific (mono_class_vtable (domain, klass));
10577 cominterop_finalizer (gpointer key, gpointer value, gpointer user_data)
10579 ves_icall_System_Runtime_InteropServices_Marshal_ReleaseInternal (value);
10584 ves_icall_System_ComObject_ReleaseInterfaces (MonoComObject* obj)
10587 if (obj->itf_hash) {
10588 guint32 gchandle = 0;
10589 mono_cominterop_lock ();
10590 gchandle = GPOINTER_TO_UINT (g_hash_table_lookup (rcw_hash, obj->iunknown));
10592 mono_gchandle_free (gchandle);
10593 g_hash_table_remove (rcw_hash, obj->iunknown);
10596 g_hash_table_foreach_remove (obj->itf_hash, cominterop_finalizer, NULL);
10597 ves_icall_System_Runtime_InteropServices_Marshal_ReleaseInternal (obj->iunknown);
10598 obj->itf_hash = obj->iunknown = NULL;
10599 mono_cominterop_unlock ();
10604 ves_icall_System_ComObject_FindInterface (MonoComObject* obj, MonoReflectionType* type)
10607 gpointer itf = NULL;
10610 if (!obj->itf_hash)
10613 klass = mono_object_class (obj);
10614 klass = mono_class_from_mono_type (type->type);
10616 mono_cominterop_lock ();
10617 itf = g_hash_table_lookup (obj->itf_hash, GUINT_TO_POINTER ((guint)klass->interface_id));
10618 mono_cominterop_unlock ();
10624 ves_icall_System_ComObject_AddInterface (MonoComObject* obj, MonoReflectionType* type, gpointer pItf)
10629 if (!obj->itf_hash) {
10630 mono_cominterop_lock ();
10631 obj->itf_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
10632 mono_cominterop_unlock ();
10635 klass = mono_object_class (obj);
10636 klass = mono_class_from_mono_type (type->type);
10638 mono_cominterop_lock ();
10639 g_hash_table_insert (obj->itf_hash, GUINT_TO_POINTER ((guint)klass->interface_id), pItf);
10640 mono_cominterop_unlock ();
10644 ves_icall_Mono_Interop_ComInteropProxy_AddProxy (gpointer pUnk, MonoComInteropProxy* proxy)
10646 guint32 gchandle = 0;
10648 mono_cominterop_lock ();
10649 rcw_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
10650 mono_cominterop_unlock ();
10653 gchandle = mono_gchandle_new_weakref ((MonoObject*)proxy, FALSE);
10655 mono_cominterop_lock ();
10656 g_hash_table_insert (rcw_hash, pUnk, GUINT_TO_POINTER (gchandle));
10657 mono_cominterop_unlock ();
10660 MonoComInteropProxy*
10661 ves_icall_Mono_Interop_ComInteropProxy_FindProxy (gpointer pUnk)
10663 MonoComInteropProxy* proxy = NULL;
10664 guint32 gchandle = 0;
10666 mono_cominterop_lock ();
10668 gchandle = GPOINTER_TO_UINT (g_hash_table_lookup (rcw_hash, pUnk));
10669 mono_cominterop_unlock ();
10671 proxy = (MonoComInteropProxy*)mono_gchandle_get_target (gchandle);
10672 /* proxy is null means we need to free up old RCW */
10674 mono_gchandle_free (gchandle);
10675 g_hash_table_remove (rcw_hash, pUnk);
10682 * mono_marshal_is_loading_type_info:
10684 * Return whenever mono_marshal_load_type_info () is being executed for KLASS by this
10688 mono_marshal_is_loading_type_info (MonoClass *klass)
10690 GSList *loads_list = TlsGetValue (load_type_info_tls_id);
10692 return g_slist_find (loads_list, klass) != NULL;
10696 * mono_marshal_load_type_info:
10698 * Initialize klass->marshal_info using information from metadata. This function can
10699 * recursively call itself, and the caller is responsible to avoid that by calling
10700 * mono_marshal_is_loading_type_info () beforehand.
10702 * LOCKING: Acquires the loader lock.
10705 mono_marshal_load_type_info (MonoClass* klass)
10708 guint32 native_size = 0, min_align = 1;
10709 MonoMarshalType *info;
10710 MonoClassField* field;
10713 GSList *loads_list;
10715 g_assert (klass != NULL);
10717 if (klass->marshal_info)
10718 return klass->marshal_info;
10720 if (!klass->inited)
10721 mono_class_init (klass);
10723 mono_loader_lock ();
10725 if (klass->marshal_info) {
10726 mono_loader_unlock ();
10727 return klass->marshal_info;
10731 * This function can recursively call itself, so we keep the list of classes which are
10732 * under initialization in a TLS list.
10734 g_assert (!mono_marshal_is_loading_type_info (klass));
10735 loads_list = TlsGetValue (load_type_info_tls_id);
10736 loads_list = g_slist_prepend (loads_list, klass);
10737 TlsSetValue (load_type_info_tls_id, loads_list);
10740 while ((field = mono_class_get_fields (klass, &iter))) {
10741 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
10743 if (mono_field_is_deleted (field))
10748 layout = klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK;
10750 /* The mempool is protected by the loader lock */
10751 info = mono_mempool_alloc0 (klass->image->mempool, sizeof (MonoMarshalType) + sizeof (MonoMarshalField) * count);
10752 info->num_fields = count;
10754 /* Try to find a size for this type in metadata */
10755 mono_metadata_packing_from_typedef (klass->image, klass->type_token, NULL, &native_size);
10757 if (klass->parent) {
10758 int parent_size = mono_class_native_size (klass->parent, NULL);
10760 /* Add parent size to real size */
10761 native_size += parent_size;
10762 info->native_size = parent_size;
10767 while ((field = mono_class_get_fields (klass, &iter))) {
10771 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
10774 if (mono_field_is_deleted (field))
10776 if (field->type->attrs & FIELD_ATTRIBUTE_HAS_FIELD_MARSHAL)
10777 mono_metadata_field_info (klass->image, mono_metadata_token_index (mono_class_get_field_token (field)) - 1,
10778 NULL, NULL, &info->fields [j].mspec);
10780 info->fields [j].field = field;
10782 if ((mono_class_num_fields (klass) == 1) && (klass->instance_size == sizeof (MonoObject)) &&
10783 (strcmp (field->name, "$PRIVATE$") == 0)) {
10784 /* This field is a hack inserted by MCS to empty structures */
10789 case TYPE_ATTRIBUTE_AUTO_LAYOUT:
10790 case TYPE_ATTRIBUTE_SEQUENTIAL_LAYOUT:
10791 size = mono_marshal_type_size (field->type, info->fields [j].mspec,
10792 &align, TRUE, klass->unicode);
10793 align = klass->packing_size ? MIN (klass->packing_size, align): align;
10794 min_align = MAX (align, min_align);
10795 info->fields [j].offset = info->native_size;
10796 info->fields [j].offset += align - 1;
10797 info->fields [j].offset &= ~(align - 1);
10798 info->native_size = info->fields [j].offset + size;
10800 case TYPE_ATTRIBUTE_EXPLICIT_LAYOUT:
10801 size = mono_marshal_type_size (field->type, info->fields [j].mspec,
10802 &align, TRUE, klass->unicode);
10803 align = klass->packing_size ? MIN (klass->packing_size, align): align;
10804 min_align = MAX (align, min_align);
10805 info->fields [j].offset = field->offset - sizeof (MonoObject);
10806 info->native_size = MAX (info->native_size, info->fields [j].offset + size);
10812 if(layout != TYPE_ATTRIBUTE_AUTO_LAYOUT) {
10813 info->native_size = MAX (native_size, info->native_size);
10816 if (info->native_size & (min_align - 1)) {
10817 info->native_size += min_align - 1;
10818 info->native_size &= ~(min_align - 1);
10821 /* Update the class's blittable info, if the layouts don't match */
10822 if (info->native_size != mono_class_value_size (klass, NULL))
10823 klass->blittable = FALSE;
10825 /* If this is an array type, ensure that we have element info */
10826 if (klass->element_class && !mono_marshal_is_loading_type_info (klass->element_class)) {
10827 mono_marshal_load_type_info (klass->element_class);
10830 loads_list = TlsGetValue (load_type_info_tls_id);
10831 loads_list = g_slist_remove (loads_list, klass);
10832 TlsSetValue (load_type_info_tls_id, loads_list);
10834 klass->marshal_info = info;
10836 mono_loader_unlock ();
10838 return klass->marshal_info;
10842 * mono_class_native_size:
10845 * Returns: the native size of an object instance (when marshaled
10846 * to unmanaged code)
10849 mono_class_native_size (MonoClass *klass, guint32 *align)
10851 if (!klass->marshal_info) {
10852 if (mono_marshal_is_loading_type_info (klass))
10855 mono_marshal_load_type_info (klass);
10859 *align = klass->min_align;
10861 return klass->marshal_info->native_size;
10865 * mono_type_native_stack_size:
10866 * @t: the type to return the size it uses on the stack
10868 * Returns: the number of bytes required to hold an instance of this
10869 * type on the native stack
10872 mono_type_native_stack_size (MonoType *t, guint32 *align)
10876 g_assert (t != NULL);
10887 case MONO_TYPE_BOOLEAN:
10888 case MONO_TYPE_CHAR:
10897 case MONO_TYPE_STRING:
10898 case MONO_TYPE_OBJECT:
10899 case MONO_TYPE_CLASS:
10900 case MONO_TYPE_SZARRAY:
10901 case MONO_TYPE_PTR:
10902 case MONO_TYPE_FNPTR:
10903 case MONO_TYPE_ARRAY:
10904 case MONO_TYPE_TYPEDBYREF:
10915 case MONO_TYPE_VALUETYPE: {
10918 if (t->data.klass->enumtype)
10919 return mono_type_native_stack_size (t->data.klass->enum_basetype, align);
10921 size = mono_class_native_size (t->data.klass, align);
10922 *align = *align + 3;
10932 g_error ("type 0x%02x unknown", t->type);
10937 /* __alignof__ returns the preferred alignment of values not the actual alignment used by
10938 the compiler so is wrong e.g. for Linux where doubles are aligned on a 4 byte boundary
10939 but __alignof__ returns 8 - using G_STRUCT_OFFSET works better */
10940 #define ALIGNMENT(type) G_STRUCT_OFFSET(struct { char c; type x; }, x)
10943 mono_marshal_type_size (MonoType *type, MonoMarshalSpec *mspec, guint32 *align,
10944 gboolean as_field, gboolean unicode)
10946 MonoMarshalNative native_type = mono_type_to_unmanaged (type, mspec, as_field, unicode, NULL);
10949 switch (native_type) {
10950 case MONO_NATIVE_BOOLEAN:
10953 case MONO_NATIVE_I1:
10954 case MONO_NATIVE_U1:
10957 case MONO_NATIVE_I2:
10958 case MONO_NATIVE_U2:
10959 case MONO_NATIVE_VARIANTBOOL:
10962 case MONO_NATIVE_I4:
10963 case MONO_NATIVE_U4:
10964 case MONO_NATIVE_ERROR:
10967 case MONO_NATIVE_I8:
10968 case MONO_NATIVE_U8:
10969 *align = ALIGNMENT(guint64);
10971 case MONO_NATIVE_R4:
10974 case MONO_NATIVE_R8:
10975 *align = ALIGNMENT(double);
10977 case MONO_NATIVE_INT:
10978 case MONO_NATIVE_UINT:
10979 case MONO_NATIVE_LPSTR:
10980 case MONO_NATIVE_LPWSTR:
10981 case MONO_NATIVE_LPTSTR:
10982 case MONO_NATIVE_BSTR:
10983 case MONO_NATIVE_ANSIBSTR:
10984 case MONO_NATIVE_TBSTR:
10985 case MONO_NATIVE_LPARRAY:
10986 case MONO_NATIVE_SAFEARRAY:
10987 case MONO_NATIVE_IUNKNOWN:
10988 case MONO_NATIVE_IDISPATCH:
10989 case MONO_NATIVE_INTERFACE:
10990 case MONO_NATIVE_ASANY:
10991 case MONO_NATIVE_FUNC:
10992 case MONO_NATIVE_LPSTRUCT:
10993 *align = ALIGNMENT(gpointer);
10994 return sizeof (gpointer);
10995 case MONO_NATIVE_STRUCT:
10996 klass = mono_class_from_mono_type (type);
10997 if (klass == mono_defaults.object_class &&
10998 (mspec && mspec->native == MONO_NATIVE_STRUCT)) {
11002 return mono_class_native_size (klass, align);
11003 case MONO_NATIVE_BYVALTSTR: {
11004 int esize = unicode ? 2: 1;
11007 return mspec->data.array_data.num_elem * esize;
11009 case MONO_NATIVE_BYVALARRAY: {
11010 // FIXME: Have to consider ArraySubType
11012 klass = mono_class_from_mono_type (type);
11013 if (klass->element_class == mono_defaults.char_class) {
11014 esize = unicode ? 2 : 1;
11017 esize = mono_class_native_size (klass->element_class, align);
11020 return mspec->data.array_data.num_elem * esize;
11022 case MONO_NATIVE_CUSTOM:
11023 g_assert_not_reached ();
11025 case MONO_NATIVE_CURRENCY:
11026 case MONO_NATIVE_VBBYREFSTR:
11028 g_error ("native type %02x not implemented", native_type);
11031 g_assert_not_reached ();
11036 mono_marshal_asany (MonoObject *o, MonoMarshalNative string_encoding, int param_attrs)
11044 t = &o->vtable->klass->byval_arg;
11048 case MONO_TYPE_PTR:
11051 case MONO_TYPE_BOOLEAN:
11054 case MONO_TYPE_CHAR:
11059 return mono_object_unbox (o);
11061 case MONO_TYPE_STRING:
11062 switch (string_encoding) {
11063 case MONO_NATIVE_LPWSTR:
11064 return mono_string_to_utf16 ((MonoString*)o);
11066 case MONO_NATIVE_LPSTR:
11067 return mono_string_to_lpstr ((MonoString*)o);
11070 g_warning ("marshaling conversion %d not implemented", string_encoding);
11071 g_assert_not_reached ();
11074 case MONO_TYPE_CLASS:
11075 case MONO_TYPE_VALUETYPE: {
11076 MonoMethod *method;
11079 MonoBoolean delete_old = FALSE;
11081 klass = t->data.klass;
11083 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT)
11086 if (klass->valuetype && (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
11087 klass->blittable || klass->enumtype))
11088 return mono_object_unbox (o);
11090 res = mono_marshal_alloc (mono_class_native_size (klass, NULL));
11092 if (!((param_attrs & PARAM_ATTRIBUTE_OUT) && !(param_attrs & PARAM_ATTRIBUTE_IN))) {
11093 method = mono_marshal_get_struct_to_ptr (o->vtable->klass);
11097 pa [2] = &delete_old;
11099 mono_runtime_invoke (method, NULL, pa, NULL);
11106 mono_raise_exception (mono_get_exception_argument ("", "No PInvoke conversion exists for value passed to Object-typed parameter."));
11112 mono_marshal_free_asany (MonoObject *o, gpointer ptr, MonoMarshalNative string_encoding, int param_attrs)
11120 t = &o->vtable->klass->byval_arg;
11122 case MONO_TYPE_STRING:
11123 switch (string_encoding) {
11124 case MONO_NATIVE_LPWSTR:
11125 case MONO_NATIVE_LPSTR:
11126 mono_marshal_free (ptr);
11129 g_warning ("marshaling conversion %d not implemented", string_encoding);
11130 g_assert_not_reached ();
11133 case MONO_TYPE_CLASS:
11134 case MONO_TYPE_VALUETYPE: {
11135 klass = t->data.klass;
11137 if (klass->valuetype && (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
11138 klass->blittable || klass->enumtype))
11141 if (param_attrs & PARAM_ATTRIBUTE_OUT) {
11142 MonoMethod *method = mono_marshal_get_ptr_to_struct (o->vtable->klass);
11148 mono_runtime_invoke (method, NULL, pa, NULL);
11151 if (!((param_attrs & PARAM_ATTRIBUTE_OUT) && !(param_attrs & PARAM_ATTRIBUTE_IN))) {
11152 mono_struct_delete_old (klass, ptr);
11155 mono_marshal_free (ptr);
11164 mono_marshal_get_generic_array_helper (MonoClass *class, MonoClass *iface, gchar *name, MonoMethod *method)
11166 MonoMethodSignature *sig, *csig;
11167 MonoMethodBuilder *mb;
11171 mb = mono_mb_new (class, name, MONO_WRAPPER_MANAGED_TO_MANAGED);
11172 mb->method->slot = -1;
11174 mb->method->flags = METHOD_ATTRIBUTE_PRIVATE | METHOD_ATTRIBUTE_VIRTUAL |
11175 METHOD_ATTRIBUTE_NEW_SLOT | METHOD_ATTRIBUTE_HIDE_BY_SIG | METHOD_ATTRIBUTE_FINAL;
11177 sig = mono_method_signature (method);
11178 csig = signature_dup (method->klass->image, sig);
11179 csig->generic_param_count = 0;
11181 mono_mb_emit_ldarg (mb, 0);
11182 for (i = 0; i < csig->param_count; i++)
11183 mono_mb_emit_ldarg (mb, i + 1);
11184 mono_mb_emit_managed_call (mb, method, NULL);
11185 mono_mb_emit_byte (mb, CEE_RET);
11187 res = mono_mb_create_method (mb, csig, csig->param_count + 16);
11194 /* Put COM Interop related stuff here */
11197 * cominterop_get_ccw_object:
11198 * @ccw_entry: a pointer to the CCWEntry
11199 * @verify: verify ccw_entry is in fact a ccw
11201 * Returns: the corresponding object for the CCW
11204 cominterop_get_ccw_object (MonoCCWInterface* ccw_entry, gboolean verify)
11206 MonoCCW *ccw = NULL;
11208 /* no CCW's exist yet */
11209 if (!ccw_interface_hash)
11213 ccw = g_hash_table_lookup (ccw_interface_hash, ccw_entry);
11216 ccw = ccw_entry->ccw;
11220 return mono_gchandle_get_target (ccw->gc_handle);
11226 cominterop_setup_marshal_context (EmitMarshalContext *m, MonoMethod *method)
11228 MonoMethodSignature *sig, *csig;
11229 sig = mono_method_signature (method);
11230 /* we copy the signature, so that we can modify it */
11231 /* FIXME: which to use? */
11232 csig = signature_dup (method->klass->image, sig);
11233 /* csig = mono_metadata_signature_dup (sig); */
11234 csig->call_convention = MONO_CALL_STDCALL;
11238 m->image = method->klass->image;
11246 * cominterop_get_ccw:
11247 * @object: a pointer to the object
11248 * @itf: interface type needed
11250 * Returns: a value indicating if the object is a
11251 * Runtime Callable Wrapper (RCW) for a COM object
11254 cominterop_get_ccw (MonoObject* object, MonoClass* itf)
11257 MonoCCW *ccw = NULL;
11258 MonoCCWInterface* ccw_entry = NULL;
11259 gpointer *vtable = NULL;
11260 static gpointer iunknown[3] = {NULL, NULL, NULL};
11261 static gpointer idispatch[4] = {NULL, NULL, NULL, NULL};
11262 MonoClass* iface = NULL;
11263 MonoClass* klass = NULL;
11264 EmitMarshalContext m;
11265 int start_slot = 3;
11266 int method_count = 0;
11267 GList *ccw_list, *ccw_list_item;
11272 klass = mono_object_get_class (object);
11275 ccw_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
11276 if (!ccw_interface_hash)
11277 ccw_interface_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
11279 ccw_list = g_hash_table_lookup (ccw_hash, GINT_TO_POINTER (mono_object_hash (object)));
11281 ccw_list_item = ccw_list;
11282 while (ccw_list_item) {
11283 MonoCCW* ccw_iter = ccw_list_item->data;
11284 if (mono_gchandle_get_target (ccw_iter->gc_handle) == object) {
11288 ccw_list_item = g_list_next(ccw_list_item);
11291 if (!iunknown [0]) {
11292 iunknown [0] = cominterop_ccw_queryinterface;
11293 iunknown [1] = cominterop_ccw_addref;
11294 iunknown [2] = cominterop_ccw_release;
11297 if (!idispatch [0]) {
11298 idispatch [0] = cominterop_ccw_get_type_info_count;
11299 idispatch [1] = cominterop_ccw_get_type_info;
11300 idispatch [2] = cominterop_ccw_get_ids_of_names;
11301 idispatch [3] = cominterop_ccw_invoke;
11305 ccw = g_new0 (MonoCCW, 1);
11306 ccw->vtable_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
11307 ccw->ref_count = 0;
11308 /* just alloc a weak handle until we are addref'd*/
11309 ccw->gc_handle = mono_gchandle_new_weakref (object, FALSE);
11312 ccw_list = g_list_alloc ();
11313 ccw_list->data = ccw;
11316 g_list_append (ccw_list, ccw);
11317 g_hash_table_insert (ccw_hash, GINT_TO_POINTER (mono_object_hash (object)), ccw_list);
11318 /* register for finalization to clean up ccw */
11319 mono_object_register_finalizer (object);
11323 if (iface == mono_defaults.iunknown_class) {
11326 else if (iface == mono_defaults.idispatch_class) {
11331 method_count += iface->method.count;
11332 if (iface->interface_count) {
11333 iface = iface->interfaces [0];
11336 start_slot = cominterop_get_com_slot_begin (iface);
11342 ccw_entry = g_hash_table_lookup (ccw->vtable_hash, itf);
11345 int vtable_index = method_count-1+start_slot;
11346 mono_loader_lock ();
11347 vtable = mono_mempool_alloc0 (klass->image->mempool, sizeof (gpointer)*(method_count+start_slot));
11348 mono_loader_unlock ();
11349 memcpy (vtable, iunknown, sizeof (iunknown));
11350 if (start_slot == 7)
11351 memcpy (vtable+3, idispatch, sizeof (idispatch));
11355 for (i = iface->method.count-1; i >= 0;i--) {
11356 int param_index = 0;
11357 MonoMethodBuilder *mb;
11358 MonoMarshalSpec ** mspecs;
11359 MonoMethod *wrapper_method, *adjust_method;
11360 MonoMethod *method = iface->methods [i];
11361 MonoMethodSignature* sig_adjusted;
11362 MonoMethodSignature* sig = mono_method_signature (method);
11365 mb = mono_mb_new (iface, method->name, MONO_WRAPPER_NATIVE_TO_MANAGED);
11366 adjust_method = cominterop_get_managed_wrapper_adjusted (method);
11367 sig_adjusted = mono_method_signature (adjust_method);
11369 mspecs = g_new (MonoMarshalSpec*, sig_adjusted->param_count + 1);
11370 mono_method_get_marshal_info (method, mspecs);
11373 /* move managed args up one */
11374 for (param_index = sig->param_count; param_index >= 1; param_index--)
11375 mspecs [param_index+1] = mspecs [param_index];
11377 /* first arg is IntPtr for interface */
11380 /* move return spec to last param */
11381 if (!MONO_TYPE_IS_VOID (sig->ret))
11382 mspecs [sig_adjusted->param_count] = mspecs [0];
11386 cominterop_setup_marshal_context (&m, adjust_method);
11388 mono_marshal_emit_managed_wrapper (mb, sig_adjusted, mspecs, &m, adjust_method, NULL);
11389 mono_loader_lock ();
11390 mono_marshal_lock ();
11391 wrapper_method = mono_mb_create_method (mb, sig_adjusted, sig_adjusted->param_count + 16);
11392 mono_marshal_unlock ();
11393 mono_loader_unlock ();
11395 /* skip visiblity since we call internal methods */
11396 wrapper_method->skip_visibility = TRUE;
11398 vtable [vtable_index--] = mono_compile_method (wrapper_method);
11401 for (param_index = sig_adjusted->param_count; param_index >= 0; param_index--)
11402 if (mspecs [param_index])
11403 mono_metadata_free_marshal_spec (mspecs [param_index]);
11406 if (iface->interface_count)
11407 iface = iface->interfaces [0];
11412 ccw_entry = g_new0 (MonoCCWInterface, 1);
11413 ccw_entry->ccw = ccw;
11414 ccw_entry->vtable = vtable;
11415 g_hash_table_insert (ccw->vtable_hash, itf, ccw_entry);
11416 g_hash_table_insert (ccw_interface_hash, ccw_entry, ccw);
11423 mono_marshal_free_ccw_entry (gpointer key, gpointer value, gpointer user_data)
11431 * mono_marshal_free_ccw:
11432 * @object: the mono object
11434 * Returns: whether the object had a CCW
11437 mono_marshal_free_ccw (MonoObject* object)
11439 GList *ccw_list, *ccw_list_orig, *ccw_list_item;
11440 /* no ccw's were created */
11441 if (!ccw_hash || g_hash_table_size (ccw_hash) == 0)
11444 /* need to cache orig list address to remove from hash_table if empty */
11445 mono_cominterop_lock ();
11446 ccw_list = ccw_list_orig = g_hash_table_lookup (ccw_hash, GINT_TO_POINTER (mono_object_hash (object)));
11447 mono_cominterop_unlock ();
11452 ccw_list_item = ccw_list;
11453 while (ccw_list_item) {
11454 MonoCCW* ccw_iter = ccw_list_item->data;
11455 MonoObject* handle_target = mono_gchandle_get_target (ccw_iter->gc_handle);
11457 /* Looks like the GC NULLs the weakref handle target before running the
11458 * finalizer. So if we get a NULL target, destroy the CCW as well. */
11459 if (!handle_target || handle_target == object) {
11460 /* remove all interfaces */
11461 g_hash_table_foreach_remove (ccw_iter->vtable_hash, mono_marshal_free_ccw_entry, NULL);
11462 g_hash_table_destroy (ccw_iter->vtable_hash);
11464 /* get next before we delete */
11465 ccw_list_item = g_list_next(ccw_list_item);
11467 /* remove ccw from list */
11468 ccw_list = g_list_remove (ccw_list, ccw_iter);
11472 ccw_list_item = g_list_next(ccw_list_item);
11475 /* if list is empty remove original address from hash */
11476 if (g_list_length (ccw_list) == 0)
11477 g_hash_table_remove (ccw_hash, ccw_list_orig);
11484 * cominterop_get_native_wrapper_adjusted:
11485 * @method: managed COM Interop method
11487 * Returns: the generated method to call with signature matching
11488 * the unmanaged COM Method signature
11490 static MonoMethod *
11491 cominterop_get_managed_wrapper_adjusted (MonoMethod *method)
11493 static MonoMethod *get_hr_for_exception = NULL;
11494 MonoMethod *res = NULL;
11495 MonoMethodBuilder *mb;
11496 MonoMarshalSpec **mspecs;
11497 MonoMethodSignature *sig, *sig_native;
11498 MonoExceptionClause *main_clause;
11499 MonoMethodHeader *header;
11504 if (!get_hr_for_exception)
11505 get_hr_for_exception = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetHRForException", -1);
11507 sig = mono_method_signature (method);
11509 /* create unmanaged wrapper */
11510 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_COMINTEROP);
11512 sig_native = signature_cominterop (method->klass->image, sig);
11514 mspecs = g_new0 (MonoMarshalSpec*, sig_native->param_count+1);
11516 mono_method_get_marshal_info (method, mspecs);
11518 /* move managed args up one */
11519 for (i = sig->param_count; i >= 1; i--)
11520 mspecs [i+1] = mspecs [i];
11522 /* first arg is IntPtr for interface */
11525 /* move return spec to last param */
11526 if (!MONO_TYPE_IS_VOID (sig->ret))
11527 mspecs [sig_native->param_count] = mspecs [0];
11531 hr = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
11535 main_clause = g_new0 (MonoExceptionClause, 1);
11536 main_clause->try_offset = mb->pos;
11538 if (!MONO_TYPE_IS_VOID (sig->ret))
11539 mono_mb_emit_ldarg (mb, sig_native->param_count-1);
11541 /* the CCW -> object conversion */
11542 mono_mb_emit_ldarg (mb, 0);
11543 mono_mb_emit_icon (mb, FALSE);
11544 mono_mb_emit_icall (mb, cominterop_get_ccw_object);
11546 for (i = 0; i < sig->param_count; i++)
11547 mono_mb_emit_ldarg (mb, i+1);
11549 mono_mb_emit_managed_call (mb, method, NULL);
11551 /* store result if we have one */
11552 if (!MONO_TYPE_IS_VOID (sig->ret))
11553 mono_mb_emit_byte (mb, CEE_STIND_REF);
11555 pos_leave = mono_mb_emit_branch (mb, CEE_LEAVE);
11557 /* Main exception catch */
11558 main_clause->flags = MONO_EXCEPTION_CLAUSE_NONE;
11559 main_clause->try_len = mb->pos - main_clause->try_offset;
11560 main_clause->data.catch_class = mono_defaults.object_class;
11563 main_clause->handler_offset = mb->pos;
11564 mono_mb_emit_managed_call (mb, get_hr_for_exception, NULL);
11565 mono_mb_emit_stloc (mb, hr);
11566 mono_mb_emit_branch (mb, CEE_LEAVE);
11567 main_clause->handler_len = mb->pos - main_clause->handler_offset;
11570 mono_mb_patch_addr (mb, pos_leave, mb->pos - (pos_leave + 4));
11572 /* FIXME: need to emit try/catch block and return failure code if exception */
11573 mono_mb_emit_ldloc (mb, hr);
11574 mono_mb_emit_byte (mb, CEE_RET);
11576 mono_loader_lock ();
11577 mono_marshal_lock ();
11578 res = mono_mb_create_method (mb, sig_native, sig_native->param_count + 16);
11579 mono_marshal_unlock ();
11580 mono_loader_unlock ();
11584 for (i = sig_native->param_count; i >= 0; i--)
11586 mono_metadata_free_marshal_spec (mspecs [i]);
11589 header = ((MonoMethodNormal *)res)->header;
11590 header->num_clauses = 1;
11591 header->clauses = main_clause;
11597 * cominterop_mono_string_to_guid:
11599 * Converts the standard string representation of a GUID
11600 * to a 16 byte Microsoft GUID.
11603 cominterop_mono_string_to_guid (const MonoString* string, guint8 *guid) {
11604 gunichar2 * chars = mono_string_chars (string);
11606 static guint8 indexes[16] = {7, 5, 3, 1, 12, 10, 17, 15, 20, 22, 25, 27, 29, 31, 33, 35};
11608 for (i = 0; i < sizeof(indexes); i++)
11609 guid [i] = g_unichar_xdigit_value (chars [indexes [i]]) + (g_unichar_xdigit_value (chars [indexes [i] - 1]) << 4);
11611 //guid [0] = g_unichar_xdigit_value (chars [7]) + (g_unichar_xdigit_value (chars [6]) << 4);
11612 //guid [1] = g_unichar_xdigit_value (chars [5]) + (g_unichar_xdigit_value (chars [4]) << 4);
11613 //guid [2] = g_unichar_xdigit_value (chars [3]) + (g_unichar_xdigit_value (chars [2]) << 4);
11614 //guid [3] = g_unichar_xdigit_value (chars [1]) + (g_unichar_xdigit_value (chars [0]) << 4);
11615 //guid [4] = g_unichar_xdigit_value (chars [12]) + (g_unichar_xdigit_value (chars [11]) << 4);
11616 //guid [5] = g_unichar_xdigit_value (chars [10]) + (g_unichar_xdigit_value (chars [9]) << 4);
11617 //guid [6] = g_unichar_xdigit_value (chars [17]) + (g_unichar_xdigit_value (chars [16]) << 4);
11618 //guid [7] = g_unichar_xdigit_value (chars [15]) + (g_unichar_xdigit_value (chars [14]) << 4);
11619 //guid [8] = g_unichar_xdigit_value (chars [20]) + (g_unichar_xdigit_value (chars [19]) << 4);
11620 //guid [9] = g_unichar_xdigit_value (chars [22]) + (g_unichar_xdigit_value (chars [21]) << 4);
11621 //guid [10] = g_unichar_xdigit_value (chars [25]) + (g_unichar_xdigit_value (chars [24]) << 4);
11622 //guid [11] = g_unichar_xdigit_value (chars [27]) + (g_unichar_xdigit_value (chars [26]) << 4);
11623 //guid [12] = g_unichar_xdigit_value (chars [29]) + (g_unichar_xdigit_value (chars [28]) << 4);
11624 //guid [13] = g_unichar_xdigit_value (chars [31]) + (g_unichar_xdigit_value (chars [30]) << 4);
11625 //guid [14] = g_unichar_xdigit_value (chars [33]) + (g_unichar_xdigit_value (chars [32]) << 4);
11626 //guid [15] = g_unichar_xdigit_value (chars [35]) + (g_unichar_xdigit_value (chars [34]) << 4);
11630 cominterop_class_guid_equal (guint8* guid, MonoClass* klass)
11632 static MonoClass *GuidAttribute = NULL;
11633 MonoCustomAttrInfo *cinfo;
11635 /* Handle the GuidAttribute */
11636 if (!GuidAttribute)
11637 GuidAttribute = mono_class_from_name (mono_defaults.corlib, "System.Runtime.InteropServices", "GuidAttribute");
11639 cinfo = mono_custom_attrs_from_class (klass);
11641 guint8 klass_guid [16];
11642 MonoReflectionGuidAttribute *attr = (MonoReflectionGuidAttribute*)mono_custom_attrs_get_attr (cinfo, GuidAttribute);
11646 if (!cinfo->cached)
11647 mono_custom_attrs_free (cinfo);
11649 cominterop_mono_string_to_guid (attr->guid, klass_guid);
11650 return !memcmp (guid, klass_guid, sizeof (klass_guid));
11656 cominterop_ccw_addref (MonoCCWInterface* ccwe)
11658 gint32 ref_count = 0;
11659 MonoCCW* ccw = ccwe->ccw;
11661 g_assert (ccw->gc_handle);
11662 g_assert (ccw->ref_count >= 0);
11663 ref_count = InterlockedIncrement (&ccw->ref_count);
11664 if (ref_count == 1) {
11665 guint32 oldhandle = ccw->gc_handle;
11666 g_assert (oldhandle);
11667 /* since we now have a ref count, alloc a strong handle*/
11668 ccw->gc_handle = mono_gchandle_new (mono_gchandle_get_target (oldhandle), FALSE);
11669 mono_gchandle_free (oldhandle);
11675 cominterop_ccw_release (MonoCCWInterface* ccwe)
11677 gint32 ref_count = 0;
11678 MonoCCW* ccw = ccwe->ccw;
11680 g_assert (ccw->ref_count > 0);
11681 ref_count = InterlockedDecrement (&ccw->ref_count);
11682 if (ref_count == 0) {
11683 /* allow gc of object */
11684 guint32 oldhandle = ccw->gc_handle;
11685 g_assert (oldhandle);
11686 ccw->gc_handle = mono_gchandle_new_weakref (mono_gchandle_get_target (oldhandle), FALSE);
11687 mono_gchandle_free (oldhandle);
11692 #define MONO_S_OK 0x00000000L
11693 #define MONO_E_NOINTERFACE 0x80004002L
11694 #define MONO_E_NOTIMPL 0x80004001L
11697 cominterop_ccw_queryinterface (MonoCCWInterface* ccwe, guint8* riid, gpointer* ppv)
11700 MonoClass *itf = NULL;
11702 MonoCCW* ccw = ccwe->ccw;
11703 MonoClass* klass = NULL;
11704 MonoObject* object = mono_gchandle_get_target (ccw->gc_handle);
11707 klass = mono_object_class (object);
11712 /* handle IUnknown special */
11713 if (cominterop_class_guid_equal (riid, mono_defaults.iunknown_class)) {
11714 *ppv = cominterop_get_ccw (object, mono_defaults.iunknown_class);
11715 /* remember to addref on QI */
11716 cominterop_ccw_addref (*ppv);
11720 /* handle IDispatch special */
11721 if (cominterop_class_guid_equal (riid, mono_defaults.idispatch_class)) {
11722 *ppv = cominterop_get_ccw (object, mono_defaults.idispatch_class);
11723 /* remember to addref on QI */
11724 cominterop_ccw_addref (*ppv);
11728 ifaces = mono_class_get_implemented_interfaces (klass);
11730 for (i = 0; i < ifaces->len; ++i) {
11731 MonoClass *ic = NULL;
11732 ic = g_ptr_array_index (ifaces, i);
11733 if (cominterop_class_guid_equal (riid, ic)) {
11738 g_ptr_array_free (ifaces, TRUE);
11741 *ppv = cominterop_get_ccw (object, itf);
11742 /* remember to addref on QI */
11743 cominterop_ccw_addref (*ppv);
11747 return MONO_E_NOINTERFACE;
11751 cominterop_ccw_get_type_info_count (MonoCCWInterface* ccwe, guint32 *pctinfo)
11753 return MONO_E_NOTIMPL;
11757 cominterop_ccw_get_type_info (MonoCCWInterface* ccwe, guint32 iTInfo, guint32 lcid, gpointer *ppTInfo)
11759 return MONO_E_NOTIMPL;
11763 cominterop_ccw_get_ids_of_names (MonoCCWInterface* ccwe, gpointer riid,
11764 gunichar2** rgszNames, guint32 cNames,
11765 guint32 lcid, gint32 *rgDispId)
11767 return MONO_E_NOTIMPL;
11771 cominterop_ccw_invoke (MonoCCWInterface* ccwe, guint32 dispIdMember,
11772 gpointer riid, guint32 lcid,
11773 guint16 wFlags, gpointer pDispParams,
11774 gpointer pVarResult, gpointer pExcepInfo,
11777 return MONO_E_NOTIMPL;