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_icon (mb, G_STRUCT_OFFSET (MonoHandleRef, handle));
2430 mono_mb_emit_byte (mb, CEE_ADD);
2431 mono_mb_emit_byte (mb, CEE_LDIND_I);
2432 mono_mb_emit_byte (mb, CEE_STIND_I);
2437 char *msg = g_strdup_printf ("marshalling conversion %d not implemented", conv);
2438 MonoException *exc = mono_get_exception_not_implemented (msg);
2441 mono_raise_exception (exc);
2447 emit_struct_conv (MonoMethodBuilder *mb, MonoClass *klass, gboolean to_object)
2449 MonoMarshalType *info;
2453 emit_struct_conv(mb, klass->parent, to_object);
2455 info = mono_marshal_load_type_info (klass);
2457 if (info->native_size == 0)
2460 if (klass->blittable) {
2461 int msize = mono_class_value_size (klass, NULL);
2462 g_assert (msize == info->native_size);
2463 mono_mb_emit_ldloc (mb, 1);
2464 mono_mb_emit_ldloc (mb, 0);
2465 mono_mb_emit_icon (mb, msize);
2466 mono_mb_emit_byte (mb, CEE_PREFIX1);
2467 mono_mb_emit_byte (mb, CEE_CPBLK);
2469 mono_mb_emit_add_to_local (mb, 0, msize);
2470 mono_mb_emit_add_to_local (mb, 1, msize);
2474 for (i = 0; i < info->num_fields; i++) {
2475 MonoMarshalNative ntype;
2476 MonoMarshalConv conv;
2477 MonoType *ftype = info->fields [i].field->type;
2480 gboolean last_field = i < (info->num_fields -1) ? 0 : 1;
2482 if (ftype->attrs & FIELD_ATTRIBUTE_STATIC)
2485 ntype = mono_type_to_unmanaged (ftype, info->fields [i].mspec, TRUE, klass->unicode, &conv);
2488 msize = klass->instance_size - info->fields [i].field->offset;
2489 usize = info->native_size - info->fields [i].offset;
2491 msize = info->fields [i + 1].field->offset - info->fields [i].field->offset;
2492 usize = info->fields [i + 1].offset - info->fields [i].offset;
2495 if (klass != mono_defaults.safehandle_class){
2497 * FIXME: Should really check for usize==0 and msize>0, but we apply
2498 * the layout to the managed structure as well.
2501 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) && (usize == 0)) {
2502 if (MONO_TYPE_IS_REFERENCE (info->fields [i].field->type) ||
2503 ((!last_field && MONO_TYPE_IS_REFERENCE (info->fields [i + 1].field->type))))
2504 g_error ("Type %s which has an [ExplicitLayout] attribute cannot have a "
2505 "reference field at the same offset as another field.",
2506 mono_type_full_name (&klass->byval_arg));
2509 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT)
2510 g_error ("Type %s which is passed to unmanaged code must have a StructLayout attribute",
2511 mono_type_full_name (&klass->byval_arg));
2516 case MONO_MARSHAL_CONV_NONE: {
2519 if (ftype->byref || ftype->type == MONO_TYPE_I ||
2520 ftype->type == MONO_TYPE_U) {
2521 mono_mb_emit_ldloc (mb, 1);
2522 mono_mb_emit_ldloc (mb, 0);
2523 mono_mb_emit_byte (mb, CEE_LDIND_I);
2524 mono_mb_emit_byte (mb, CEE_STIND_I);
2535 case MONO_TYPE_BOOLEAN:
2538 case MONO_TYPE_CHAR:
2544 mono_mb_emit_ldloc (mb, 1);
2545 mono_mb_emit_ldloc (mb, 0);
2546 mono_mb_emit_byte (mb, mono_type_to_ldind (ftype));
2547 mono_mb_emit_byte (mb, mono_type_to_stind (ftype));
2549 case MONO_TYPE_VALUETYPE: {
2550 int src_var, dst_var;
2552 if (ftype->data.klass->enumtype) {
2553 ftype = ftype->data.klass->enum_basetype;
2557 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2558 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2560 /* save the old src pointer */
2561 mono_mb_emit_ldloc (mb, 0);
2562 mono_mb_emit_stloc (mb, src_var);
2563 /* save the old dst pointer */
2564 mono_mb_emit_ldloc (mb, 1);
2565 mono_mb_emit_stloc (mb, dst_var);
2567 emit_struct_conv (mb, ftype->data.klass, to_object);
2569 /* restore the old src pointer */
2570 mono_mb_emit_ldloc (mb, src_var);
2571 mono_mb_emit_stloc (mb, 0);
2572 /* restore the old dst pointer */
2573 mono_mb_emit_ldloc (mb, dst_var);
2574 mono_mb_emit_stloc (mb, 1);
2577 case MONO_TYPE_OBJECT: {
2578 mono_init_com_types ();
2580 static MonoMethod *variant_clear = NULL;
2581 static MonoMethod *get_object_for_native_variant = NULL;
2584 variant_clear = mono_class_get_method_from_name (mono_defaults.variant_class, "Clear", 0);
2585 if (!get_object_for_native_variant)
2586 get_object_for_native_variant = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetObjectForNativeVariant", 1);
2587 mono_mb_emit_ldloc (mb, 1);
2588 mono_mb_emit_ldloc (mb, 0);
2589 mono_mb_emit_managed_call (mb, get_object_for_native_variant, NULL);
2590 mono_mb_emit_byte (mb, CEE_STIND_REF);
2592 mono_mb_emit_ldloc (mb, 0);
2593 mono_mb_emit_managed_call (mb, variant_clear, NULL);
2596 static MonoMethod *get_native_variant_for_object = NULL;
2598 if (!get_native_variant_for_object)
2599 get_native_variant_for_object = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetNativeVariantForObject", 2);
2601 mono_mb_emit_ldloc (mb, 0);
2602 mono_mb_emit_byte(mb, CEE_LDIND_REF);
2603 mono_mb_emit_ldloc (mb, 1);
2604 mono_mb_emit_managed_call (mb, get_native_variant_for_object, NULL);
2610 g_warning ("marshaling type %02x not implemented", ftype->type);
2611 g_assert_not_reached ();
2616 int src_var, dst_var;
2618 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2619 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2621 /* save the old src pointer */
2622 mono_mb_emit_ldloc (mb, 0);
2623 mono_mb_emit_stloc (mb, src_var);
2624 /* save the old dst pointer */
2625 mono_mb_emit_ldloc (mb, 1);
2626 mono_mb_emit_stloc (mb, dst_var);
2629 emit_ptr_to_object_conv (mb, ftype, conv, info->fields [i].mspec);
2631 emit_object_to_ptr_conv (mb, ftype, conv, info->fields [i].mspec);
2633 /* restore the old src pointer */
2634 mono_mb_emit_ldloc (mb, src_var);
2635 mono_mb_emit_stloc (mb, 0);
2636 /* restore the old dst pointer */
2637 mono_mb_emit_ldloc (mb, dst_var);
2638 mono_mb_emit_stloc (mb, 1);
2643 mono_mb_emit_add_to_local (mb, 0, usize);
2644 mono_mb_emit_add_to_local (mb, 1, msize);
2646 mono_mb_emit_add_to_local (mb, 0, msize);
2647 mono_mb_emit_add_to_local (mb, 1, usize);
2653 emit_struct_free (MonoMethodBuilder *mb, MonoClass *klass, int struct_var)
2655 /* Call DestroyStructure */
2656 /* FIXME: Only do this if needed */
2657 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2658 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
2659 mono_mb_emit_ldloc (mb, struct_var);
2660 mono_mb_emit_icall (mb, mono_struct_delete_old);
2664 emit_thread_interrupt_checkpoint_call (MonoMethodBuilder *mb, gpointer checkpoint_func)
2668 mono_mb_emit_ptr (mb, (gpointer) mono_thread_interruption_request_flag ());
2669 mono_mb_emit_byte (mb, CEE_LDIND_U4);
2670 pos_noabort = mono_mb_emit_branch (mb, CEE_BRFALSE);
2672 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2673 mono_mb_emit_byte (mb, CEE_MONO_NOT_TAKEN);
2675 mono_mb_emit_icall (mb, checkpoint_func);
2677 mono_mb_patch_addr (mb, pos_noabort, mb->pos - (pos_noabort + 4));
2681 emit_thread_interrupt_checkpoint (MonoMethodBuilder *mb)
2683 if (strstr (mb->name, "mono_thread_interruption_checkpoint"))
2686 emit_thread_interrupt_checkpoint_call (mb, mono_thread_interruption_checkpoint);
2690 emit_thread_force_interrupt_checkpoint (MonoMethodBuilder *mb)
2692 emit_thread_interrupt_checkpoint_call (mb, mono_thread_force_interruption_checkpoint);
2695 static MonoAsyncResult *
2696 mono_delegate_begin_invoke (MonoDelegate *delegate, gpointer *params)
2698 MonoMethodMessage *msg;
2699 MonoDelegate *async_callback;
2703 MonoMethod *method = NULL, *method2 = NULL;
2705 g_assert (delegate);
2707 if (delegate->target && mono_object_class (delegate->target) == mono_defaults.transparent_proxy_class) {
2709 MonoTransparentProxy* tp = (MonoTransparentProxy *)delegate->target;
2710 if (!tp->remote_class->proxy_class->contextbound || tp->rp->context != (MonoObject *) mono_context_get ()) {
2712 /* If the target is a proxy, make a direct call. Is proxy's work
2713 // to make the call asynchronous.
2715 MonoAsyncResult *ares;
2717 MonoArray *out_args;
2719 method = delegate->method_info->method;
2721 msg = mono_method_call_message_new (mono_marshal_method_from_wrapper (method), params, NULL, &async_callback, &state);
2722 handle = CreateEvent (NULL, TRUE, FALSE, NULL);
2723 g_assert(handle != NULL);
2724 ares = mono_async_result_new (mono_domain_get (), handle, state, handle, NULL);
2725 MONO_OBJECT_SETREF (ares, async_delegate, (MonoObject *)delegate);
2726 MONO_OBJECT_SETREF (ares, async_callback, (MonoObject *)async_callback);
2727 MONO_OBJECT_SETREF (msg, async_result, ares);
2728 msg->call_type = CallType_BeginInvoke;
2730 mono_remoting_invoke ((MonoObject *)tp->rp, msg, &exc, &out_args);
2735 klass = delegate->object.vtable->klass;
2737 method = mono_get_delegate_invoke (klass);
2738 method2 = mono_class_get_method_from_name (klass, "BeginInvoke", -1);
2741 g_assert (method != NULL);
2743 im = mono_get_delegate_invoke (method->klass);
2744 msg = mono_method_call_message_new (method, params, im, &async_callback, &state);
2746 return mono_thread_pool_add ((MonoObject *)delegate, msg, async_callback, state);
2750 mono_mb_emit_save_args (MonoMethodBuilder *mb, MonoMethodSignature *sig, gboolean save_this)
2752 int i, params_var, tmp_var;
2754 /* allocate local (pointer) *params[] */
2755 params_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2756 /* allocate local (pointer) tmp */
2757 tmp_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2759 /* alloate space on stack to store an array of pointers to the arguments */
2760 mono_mb_emit_icon (mb, sizeof (gpointer) * (sig->param_count + 1));
2761 mono_mb_emit_byte (mb, CEE_PREFIX1);
2762 mono_mb_emit_byte (mb, CEE_LOCALLOC);
2763 mono_mb_emit_stloc (mb, params_var);
2766 mono_mb_emit_ldloc (mb, params_var);
2767 mono_mb_emit_stloc (mb, tmp_var);
2769 if (save_this && sig->hasthis) {
2770 mono_mb_emit_ldloc (mb, tmp_var);
2771 mono_mb_emit_ldarg_addr (mb, 0);
2772 mono_mb_emit_byte (mb, CEE_STIND_I);
2773 /* tmp = tmp + sizeof (gpointer) */
2774 if (sig->param_count)
2775 mono_mb_emit_add_to_local (mb, tmp_var, sizeof (gpointer));
2779 for (i = 0; i < sig->param_count; i++) {
2780 mono_mb_emit_ldloc (mb, tmp_var);
2781 mono_mb_emit_ldarg_addr (mb, i + sig->hasthis);
2782 mono_mb_emit_byte (mb, CEE_STIND_I);
2783 /* tmp = tmp + sizeof (gpointer) */
2784 if (i < (sig->param_count - 1))
2785 mono_mb_emit_add_to_local (mb, tmp_var, sizeof (gpointer));
2792 mono_signature_to_name (MonoMethodSignature *sig, const char *prefix)
2796 GString *res = g_string_new ("");
2799 g_string_append (res, prefix);
2800 g_string_append_c (res, '_');
2803 mono_type_get_desc (res, sig->ret, FALSE);
2805 for (i = 0; i < sig->param_count; ++i) {
2806 g_string_append_c (res, '_');
2807 mono_type_get_desc (res, sig->params [i], FALSE);
2810 g_string_free (res, FALSE);
2815 * mono_marshal_get_string_encoding:
2817 * Return the string encoding which should be used for a given parameter.
2819 static MonoMarshalNative
2820 mono_marshal_get_string_encoding (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
2822 /* First try the parameter marshal info */
2824 if (spec->native == MONO_NATIVE_LPARRAY) {
2825 if ((spec->data.array_data.elem_type != 0) && (spec->data.array_data.elem_type != MONO_NATIVE_MAX))
2826 return spec->data.array_data.elem_type;
2829 return spec->native;
2833 return MONO_NATIVE_LPSTR;
2835 /* Then try the method level marshal info */
2836 switch (piinfo->piflags & PINVOKE_ATTRIBUTE_CHAR_SET_MASK) {
2837 case PINVOKE_ATTRIBUTE_CHAR_SET_ANSI:
2838 return MONO_NATIVE_LPSTR;
2839 case PINVOKE_ATTRIBUTE_CHAR_SET_UNICODE:
2840 return MONO_NATIVE_LPWSTR;
2841 case PINVOKE_ATTRIBUTE_CHAR_SET_AUTO:
2842 #ifdef PLATFORM_WIN32
2843 return MONO_NATIVE_LPWSTR;
2845 return MONO_NATIVE_LPSTR;
2848 return MONO_NATIVE_LPSTR;
2852 static MonoMarshalConv
2853 mono_marshal_get_string_to_ptr_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
2855 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
2858 case MONO_NATIVE_LPWSTR:
2859 return MONO_MARSHAL_CONV_STR_LPWSTR;
2860 case MONO_NATIVE_LPSTR:
2861 return MONO_MARSHAL_CONV_STR_LPSTR;
2862 case MONO_NATIVE_LPTSTR:
2863 return MONO_MARSHAL_CONV_STR_LPTSTR;
2864 case MONO_NATIVE_BSTR:
2865 return MONO_MARSHAL_CONV_STR_BSTR;
2871 static MonoMarshalConv
2872 mono_marshal_get_stringbuilder_to_ptr_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
2874 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
2877 case MONO_NATIVE_LPWSTR:
2878 return MONO_MARSHAL_CONV_SB_LPWSTR;
2880 case MONO_NATIVE_LPSTR:
2881 return MONO_MARSHAL_CONV_SB_LPSTR;
2883 case MONO_NATIVE_LPTSTR:
2884 return MONO_MARSHAL_CONV_SB_LPTSTR;
2891 static MonoMarshalConv
2892 mono_marshal_get_ptr_to_string_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec, gboolean *need_free)
2894 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
2899 case MONO_NATIVE_LPWSTR:
2900 return MONO_MARSHAL_CONV_LPWSTR_STR;
2901 case MONO_NATIVE_LPSTR:
2902 return MONO_MARSHAL_CONV_LPSTR_STR;
2903 case MONO_NATIVE_LPTSTR:
2904 return MONO_MARSHAL_CONV_LPTSTR_STR;
2905 case MONO_NATIVE_BSTR:
2906 return MONO_MARSHAL_CONV_BSTR_STR;
2912 static MonoMarshalConv
2913 mono_marshal_get_ptr_to_stringbuilder_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec, gboolean *need_free)
2915 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
2920 case MONO_NATIVE_LPWSTR:
2922 * mono_string_builder_to_utf16 does not allocate a
2923 * new buffer, so no need to free it.
2926 return MONO_MARSHAL_CONV_LPWSTR_SB;
2927 case MONO_NATIVE_LPSTR:
2928 return MONO_MARSHAL_CONV_LPSTR_SB;
2930 case MONO_NATIVE_LPTSTR:
2931 return MONO_MARSHAL_CONV_LPTSTR_SB;
2939 * Return whenever a field of a native structure or an array member needs to
2943 mono_marshal_need_free (MonoType *t, MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
2945 MonoMarshalNative encoding;
2946 MonoMarshalConv conv;
2949 case MONO_TYPE_VALUETYPE:
2950 /* FIXME: Optimize this */
2952 case MONO_TYPE_OBJECT:
2953 case MONO_TYPE_CLASS:
2954 if (t->data.klass == mono_defaults.stringbuilder_class) {
2956 conv = mono_marshal_get_ptr_to_stringbuilder_conv (piinfo, spec, &need_free);
2960 case MONO_TYPE_STRING:
2961 encoding = mono_marshal_get_string_encoding (piinfo, spec);
2962 return (encoding == MONO_NATIVE_LPWSTR) ? FALSE : TRUE;
2968 static inline MonoMethod*
2969 mono_marshal_find_in_cache (GHashTable *cache, gpointer key)
2973 mono_marshal_lock ();
2974 res = g_hash_table_lookup (cache, key);
2975 mono_marshal_unlock ();
2979 /* Create the method from the builder and place it in the cache */
2980 static inline MonoMethod*
2981 mono_mb_create_and_cache (GHashTable *cache, gpointer key,
2982 MonoMethodBuilder *mb, MonoMethodSignature *sig,
2987 mono_marshal_lock ();
2988 res = g_hash_table_lookup (cache, key);
2989 mono_marshal_unlock ();
2992 newm = mono_mb_create_method (mb, sig, max_stack);
2993 mono_marshal_lock ();
2994 res = g_hash_table_lookup (cache, key);
2997 g_hash_table_insert (cache, key, res);
2998 g_hash_table_insert (wrapper_hash, res, key);
2999 mono_marshal_unlock ();
3001 mono_marshal_unlock ();
3002 mono_free_method (newm);
3010 static inline MonoMethod*
3011 mono_marshal_remoting_find_in_cache (MonoMethod *method, int wrapper_type)
3013 MonoMethod *res = NULL;
3014 MonoRemotingMethods *wrps;
3016 mono_marshal_lock ();
3017 wrps = g_hash_table_lookup (method->klass->image->remoting_invoke_cache, method);
3020 switch (wrapper_type) {
3021 case MONO_WRAPPER_REMOTING_INVOKE: res = wrps->invoke; break;
3022 case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK: res = wrps->invoke_with_check; break;
3023 case MONO_WRAPPER_XDOMAIN_INVOKE: res = wrps->xdomain_invoke; break;
3024 case MONO_WRAPPER_XDOMAIN_DISPATCH: res = wrps->xdomain_dispatch; break;
3028 /* it is important to do the unlock after the load from wrps, since in
3029 * mono_remoting_mb_create_and_cache () we drop the marshal lock to be able
3030 * to take the loader lock and some other thread may set the fields.
3032 mono_marshal_unlock ();
3036 /* Create the method from the builder and place it in the cache */
3037 static inline MonoMethod*
3038 mono_remoting_mb_create_and_cache (MonoMethod *key, MonoMethodBuilder *mb,
3039 MonoMethodSignature *sig, int max_stack)
3041 MonoMethod **res = NULL;
3042 MonoRemotingMethods *wrps;
3043 GHashTable *cache = key->klass->image->remoting_invoke_cache;
3045 mono_marshal_lock ();
3046 wrps = g_hash_table_lookup (cache, key);
3048 wrps = g_new0 (MonoRemotingMethods, 1);
3049 g_hash_table_insert (cache, key, wrps);
3052 switch (mb->method->wrapper_type) {
3053 case MONO_WRAPPER_REMOTING_INVOKE: res = &wrps->invoke; break;
3054 case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK: res = &wrps->invoke_with_check; break;
3055 case MONO_WRAPPER_XDOMAIN_INVOKE: res = &wrps->xdomain_invoke; break;
3056 case MONO_WRAPPER_XDOMAIN_DISPATCH: res = &wrps->xdomain_dispatch; break;
3057 default: g_assert_not_reached (); break;
3059 mono_marshal_unlock ();
3063 newm = mono_mb_create_method (mb, sig, max_stack);
3065 mono_marshal_lock ();
3068 g_hash_table_insert (wrapper_hash, *res, key);
3069 mono_marshal_unlock ();
3071 mono_marshal_unlock ();
3072 mono_free_method (newm);
3080 mono_marshal_method_from_wrapper (MonoMethod *wrapper)
3084 if (wrapper->wrapper_type == MONO_WRAPPER_NONE)
3087 mono_marshal_lock ();
3088 res = g_hash_table_lookup (wrapper_hash, wrapper);
3089 mono_marshal_unlock ();
3094 mono_marshal_get_delegate_begin_invoke (MonoMethod *method)
3096 MonoMethodSignature *sig;
3097 MonoMethodBuilder *mb;
3103 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
3104 !strcmp (method->name, "BeginInvoke"));
3106 sig = signature_no_pinvoke (method);
3108 cache = method->klass->image->delegate_begin_invoke_cache;
3109 if ((res = mono_marshal_find_in_cache (cache, sig)))
3112 g_assert (sig->hasthis);
3114 name = mono_signature_to_name (sig, "begin_invoke");
3115 mb = mono_mb_new (mono_defaults.multicastdelegate_class, name, MONO_WRAPPER_DELEGATE_BEGIN_INVOKE);
3118 mb->method->save_lmf = 1;
3120 params_var = mono_mb_emit_save_args (mb, sig, FALSE);
3122 mono_mb_emit_ldarg (mb, 0);
3123 mono_mb_emit_ldloc (mb, params_var);
3124 mono_mb_emit_icall (mb, mono_delegate_begin_invoke);
3125 emit_thread_interrupt_checkpoint (mb);
3126 mono_mb_emit_byte (mb, CEE_RET);
3128 res = mono_mb_create_and_cache (cache, sig, mb, sig, sig->param_count + 16);
3134 mono_delegate_end_invoke (MonoDelegate *delegate, gpointer *params)
3136 MonoDomain *domain = mono_domain_get ();
3137 MonoAsyncResult *ares;
3138 MonoMethod *method = NULL;
3139 MonoMethodSignature *sig;
3140 MonoMethodMessage *msg;
3141 MonoObject *res, *exc;
3142 MonoArray *out_args;
3145 g_assert (delegate);
3147 if (!delegate->method_info || !delegate->method_info->method)
3148 g_assert_not_reached ();
3150 klass = delegate->object.vtable->klass;
3152 method = mono_class_get_method_from_name (klass, "EndInvoke", -1);
3153 g_assert (method != NULL);
3155 sig = signature_no_pinvoke (method);
3157 msg = mono_method_call_message_new (method, params, NULL, NULL, NULL);
3159 ares = mono_array_get (msg->args, gpointer, sig->param_count - 1);
3162 if (ares->async_delegate != (MonoObject*)delegate && mono_get_runtime_info ()->framework_version [0] >= '2') {
3163 mono_raise_exception (mono_get_exception_invalid_operation (
3164 "The IAsyncResult object provided does not match this delegate."));
3168 if (delegate->target && mono_object_class (delegate->target) == mono_defaults.transparent_proxy_class) {
3169 MonoTransparentProxy* tp = (MonoTransparentProxy *)delegate->target;
3170 msg = (MonoMethodMessage *)mono_object_new (domain, mono_defaults.mono_method_message_class);
3171 mono_message_init (domain, msg, delegate->method_info, NULL);
3172 msg->call_type = CallType_EndInvoke;
3173 MONO_OBJECT_SETREF (msg, async_result, ares);
3174 res = mono_remoting_invoke ((MonoObject *)tp->rp, msg, &exc, &out_args);
3176 res = mono_thread_pool_finish (ares, &out_args, &exc);
3180 if (((MonoException*)exc)->stack_trace) {
3181 char *strace = mono_string_to_utf8 (((MonoException*)exc)->stack_trace);
3183 tmp = g_strdup_printf ("%s\nException Rethrown at:\n", strace);
3185 MONO_OBJECT_SETREF (((MonoException*)exc), stack_trace, mono_string_new (domain, tmp));
3188 mono_raise_exception ((MonoException*)exc);
3191 mono_method_return_message_restore (method, params, out_args);
3196 mono_mb_emit_restore_result (MonoMethodBuilder *mb, MonoType *return_type)
3198 MonoType *t = mono_type_get_underlying_type (return_type);
3200 if (return_type->byref)
3201 return_type = &mono_defaults.int_class->byval_arg;
3204 case MONO_TYPE_VOID:
3205 g_assert_not_reached ();
3208 case MONO_TYPE_STRING:
3209 case MONO_TYPE_CLASS:
3210 case MONO_TYPE_OBJECT:
3211 case MONO_TYPE_ARRAY:
3212 case MONO_TYPE_SZARRAY:
3216 case MONO_TYPE_BOOLEAN:
3219 case MONO_TYPE_CHAR:
3229 mono_mb_emit_op (mb, CEE_UNBOX, mono_class_from_mono_type (return_type));
3230 mono_mb_emit_byte (mb, mono_type_to_ldind (return_type));
3232 case MONO_TYPE_GENERICINST:
3233 if (!mono_type_generic_inst_is_valuetype (return_type))
3236 case MONO_TYPE_VALUETYPE: {
3237 MonoClass *klass = mono_class_from_mono_type (return_type);
3238 mono_mb_emit_op (mb, CEE_UNBOX, klass);
3239 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
3243 g_warning ("type 0x%x not handled", return_type->type);
3244 g_assert_not_reached ();
3247 mono_mb_emit_byte (mb, CEE_RET);
3251 mono_marshal_get_delegate_end_invoke (MonoMethod *method)
3253 MonoMethodSignature *sig;
3254 MonoMethodBuilder *mb;
3260 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
3261 !strcmp (method->name, "EndInvoke"));
3263 sig = signature_no_pinvoke (method);
3265 cache = method->klass->image->delegate_end_invoke_cache;
3266 if ((res = mono_marshal_find_in_cache (cache, sig)))
3269 g_assert (sig->hasthis);
3271 name = mono_signature_to_name (sig, "end_invoke");
3272 mb = mono_mb_new (mono_defaults.multicastdelegate_class, name, MONO_WRAPPER_DELEGATE_END_INVOKE);
3275 mb->method->save_lmf = 1;
3277 params_var = mono_mb_emit_save_args (mb, sig, FALSE);
3279 mono_mb_emit_ldarg (mb, 0);
3280 mono_mb_emit_ldloc (mb, params_var);
3281 mono_mb_emit_icall (mb, mono_delegate_end_invoke);
3282 emit_thread_interrupt_checkpoint (mb);
3284 if (sig->ret->type == MONO_TYPE_VOID) {
3285 mono_mb_emit_byte (mb, CEE_POP);
3286 mono_mb_emit_byte (mb, CEE_RET);
3288 mono_mb_emit_restore_result (mb, sig->ret);
3290 res = mono_mb_create_and_cache (cache, sig,
3291 mb, sig, sig->param_count + 16);
3298 mono_remoting_wrapper (MonoMethod *method, gpointer *params)
3300 MonoMethodMessage *msg;
3301 MonoTransparentProxy *this;
3302 MonoObject *res, *exc;
3303 MonoArray *out_args;
3305 this = *((MonoTransparentProxy **)params [0]);
3308 g_assert (((MonoObject *)this)->vtable->klass == mono_defaults.transparent_proxy_class);
3310 /* skip the this pointer */
3313 if (this->remote_class->proxy_class->contextbound && this->rp->context == (MonoObject *) mono_context_get ())
3316 MonoMethodSignature *sig = mono_method_signature (method);
3317 int count = sig->param_count;
3318 gpointer* mparams = (gpointer*) alloca(count*sizeof(gpointer));
3320 for (i=0; i<count; i++) {
3321 MonoClass *class = mono_class_from_mono_type (sig->params [i]);
3322 if (class->valuetype) {
3323 if (sig->params [i]->byref)
3324 mparams[i] = *((gpointer *)params [i]);
3326 mparams[i] = params [i];
3328 mparams[i] = *((gpointer**)params [i]);
3332 return mono_runtime_invoke (method, method->klass->valuetype? mono_object_unbox ((MonoObject*)this): this, mparams, NULL);
3335 msg = mono_method_call_message_new (method, params, NULL, NULL, NULL);
3337 res = mono_remoting_invoke ((MonoObject *)this->rp, msg, &exc, &out_args);
3340 mono_raise_exception ((MonoException *)exc);
3342 mono_method_return_message_restore (method, params, out_args);
3348 * cominterop_get_native_wrapper_adjusted:
3349 * @method: managed COM Interop method
3351 * Returns: the generated method to call with signature matching
3352 * the unmanaged COM Method signature
3355 cominterop_get_native_wrapper_adjusted (MonoMethod *method)
3358 MonoMethodBuilder *mb_native;
3359 MonoMarshalSpec **mspecs;
3360 MonoMethodSignature *sig, *sig_native;
3361 MonoMethodPInvoke *piinfo = (MonoMethodPInvoke *) method;
3364 sig = mono_method_signature (method);
3366 // create unmanaged wrapper
3367 mb_native = mono_mb_new (method->klass, method->name, MONO_WRAPPER_MANAGED_TO_NATIVE);
3368 sig_native = signature_cominterop (method->klass->image, sig);
3370 mspecs = g_new (MonoMarshalSpec*, sig_native->param_count+1);
3371 memset (mspecs, 0, sizeof(MonoMarshalSpec*)*(sig_native->param_count+1));
3373 mono_method_get_marshal_info (method, mspecs);
3375 // move managed args up one
3376 for (i = sig->param_count; i >= 1; i--)
3377 mspecs[i+1] = mspecs[i];
3379 // first arg is IntPtr for interface
3382 // move return spec to last param
3383 if (!MONO_TYPE_IS_VOID (sig->ret))
3384 mspecs[sig_native->param_count] = mspecs[0];
3388 mono_marshal_emit_native_wrapper(mono_defaults.corlib, mb_native, sig_native, piinfo, mspecs, piinfo->addr);
3390 res = mono_mb_create_method (mb_native, sig_native, sig_native->param_count + 16);
3392 mono_mb_free (mb_native);
3394 for (i = sig_native->param_count; i >= 0; i--)
3396 mono_metadata_free_marshal_spec (mspecs [i]);
3403 * cominterop_get_native_wrapper:
3404 * @method: managed method
3406 * Returns: the generated method to call
3409 cominterop_get_native_wrapper (MonoMethod *method)
3413 MonoMethodBuilder *mb;
3414 MonoMethodSignature *sig, *csig;
3418 cache = method->klass->image->cominterop_wrapper_cache;
3419 if ((res = mono_marshal_find_in_cache (cache, method)))
3422 mono_init_com_types ();
3424 sig = mono_method_signature (method);
3425 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_COMINTEROP);
3427 /* if method klass is import, that means method
3428 * is really a com call. let interop system emit it.
3430 if (MONO_CLASS_IS_IMPORT(method->klass)) {
3431 /* FIXME: we have to call actual class .ctor
3432 * instead of just __ComObject .ctor.
3434 if (!strcmp(method->name, ".ctor")) {
3435 static MonoMethod *ctor = NULL;
3438 ctor = mono_class_get_method_from_name (mono_defaults.com_object_class, ".ctor", 0);
3439 mono_mb_emit_ldarg (mb, 0);
3440 mono_mb_emit_managed_call (mb, ctor, NULL);
3441 mono_mb_emit_byte (mb, CEE_RET);
3444 static MonoMethod * ThrowExceptionForHR = NULL;
3445 static MonoMethod * GetInterface = NULL;
3446 MonoMethod *adjusted_method;
3452 GetInterface = mono_class_get_method_from_name (mono_defaults.com_object_class, "GetInterface", 1);
3454 // add local variables
3455 hr = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
3456 ptr_this = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
3457 if (!MONO_TYPE_IS_VOID (sig->ret))
3458 retval = mono_mb_add_local (mb, sig->ret);
3460 // get the type for the interface the method is defined on
3461 // and then get the underlying COM interface for that type
3462 mono_mb_emit_ldarg (mb, 0);
3463 mono_mb_emit_ptr (mb, method);
3464 mono_mb_emit_icall (mb, cominterop_get_method_interface);
3465 mono_mb_emit_managed_call (mb, GetInterface, NULL);
3466 mono_mb_emit_stloc (mb, ptr_this);
3468 // arg 1 is unmanaged this pointer
3469 mono_mb_emit_ldloc (mb, ptr_this);
3472 for (i = 1; i <= sig->param_count; i++)
3473 mono_mb_emit_ldarg (mb, i);
3475 // push managed return value as byref last argument
3476 if (!MONO_TYPE_IS_VOID (sig->ret))
3477 mono_mb_emit_ldloc_addr (mb, retval);
3479 adjusted_method = cominterop_get_native_wrapper_adjusted (method);
3480 mono_mb_emit_managed_call (mb, adjusted_method, NULL);
3482 // store HRESULT to check
3483 mono_mb_emit_stloc (mb, hr);
3485 if (!ThrowExceptionForHR)
3486 ThrowExceptionForHR = mono_class_get_method_from_name (mono_defaults.marshal_class, "ThrowExceptionForHR", 1);
3487 mono_mb_emit_ldloc (mb, hr);
3488 mono_mb_emit_managed_call (mb, ThrowExceptionForHR, NULL);
3490 // load return value managed is expecting
3491 if (!MONO_TYPE_IS_VOID (sig->ret))
3492 mono_mb_emit_ldloc (mb, retval);
3494 mono_mb_emit_byte (mb, CEE_RET);
3499 /* Does this case ever get hit? */
3501 char *msg = g_strdup ("non imported interfaces on \
3502 imported classes is not yet implemented.");
3503 mono_mb_emit_exception (mb, "NotSupportedException", msg);
3505 csig = signature_dup (method->klass->image, sig);
3507 res = mono_mb_create_and_cache (cache, method,
3508 mb, csig, csig->param_count + 16);
3514 * cominterop_get_invoke:
3515 * @method: managed method
3517 * Returns: the generated method that calls the underlying __ComObject
3518 * rather than the proxy object.
3521 cominterop_get_invoke (MonoMethod *method)
3523 MonoMethodSignature *sig;
3524 MonoMethodBuilder *mb;
3527 GHashTable* cache = method->klass->image->cominterop_invoke_cache;
3531 if ((res = mono_marshal_find_in_cache (cache, method)))
3534 sig = signature_no_pinvoke (method);
3536 /* we cant remote methods without this pointer */
3540 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_COMINTEROP_INVOKE);
3542 /* get real proxy object, which is a ComInteropProxy in this case*/
3543 temp_obj = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3544 mono_mb_emit_ldarg (mb, 0);
3545 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
3546 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3548 /* load the RCW from the ComInteropProxy*/
3549 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoComInteropProxy, com_object));
3550 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3552 /* load args and make the call on the RCW */
3553 for (i = 1; i <= sig->param_count; i++)
3554 mono_mb_emit_ldarg (mb, i);
3556 if (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) {
3557 MonoMethod * native_wrapper = cominterop_get_native_wrapper(method);
3558 mono_mb_emit_managed_call (mb, native_wrapper, NULL);
3561 if (method->flags & METHOD_ATTRIBUTE_VIRTUAL)
3562 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
3564 mono_mb_emit_op (mb, CEE_CALL, method);
3567 if (!strcmp(method->name, ".ctor")) {
3568 static MonoClass *com_interop_proxy_class = NULL;
3569 static MonoMethod *cache_proxy = NULL;
3571 if (!com_interop_proxy_class)
3572 com_interop_proxy_class = mono_class_from_name (mono_defaults.corlib, "Mono.Interop", "ComInteropProxy");
3574 cache_proxy = mono_class_get_method_from_name (com_interop_proxy_class, "CacheProxy", 0);
3576 mono_mb_emit_ldarg (mb, 0);
3577 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
3578 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3579 mono_mb_emit_managed_call (mb, cache_proxy, NULL);
3582 emit_thread_interrupt_checkpoint (mb);
3584 mono_mb_emit_byte (mb, CEE_RET);
3586 res = mono_mb_create_and_cache (cache, method, mb, sig, sig->param_count + 16);
3591 /* Maps a managed object to its unmanaged representation
3592 * i.e. it's COM Callable Wrapper (CCW).
3596 static GHashTable* ccw_hash = NULL;
3598 /* Maps a CCW interface to it's containing CCW.
3599 * Note that a CCW support many interfaces.
3601 * Value: MonoCCWInterface*
3603 static GHashTable* ccw_interface_hash = NULL;
3605 /* Maps the IUnknown value of a RCW to
3606 * it's MonoComInteropProxy*.
3610 static GHashTable* rcw_hash = NULL;
3613 mono_marshal_get_remoting_invoke (MonoMethod *method)
3615 MonoMethodSignature *sig;
3616 MonoMethodBuilder *mb;
3622 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE || method->wrapper_type == MONO_WRAPPER_XDOMAIN_INVOKE)
3625 /* this seems to be the best plase to put this, as all remoting invokes seem to get filtered through here */
3626 if ((method->klass->is_com_object || method->klass == mono_defaults.com_object_class) && !mono_class_vtable (mono_domain_get (), method->klass)->remote)
3627 return cominterop_get_invoke(method);
3629 sig = signature_no_pinvoke (method);
3631 /* we cant remote methods without this pointer */
3635 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_REMOTING_INVOKE)))
3638 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_REMOTING_INVOKE);
3639 mb->method->save_lmf = 1;
3641 params_var = mono_mb_emit_save_args (mb, sig, TRUE);
3643 mono_mb_emit_ptr (mb, method);
3644 mono_mb_emit_ldloc (mb, params_var);
3645 mono_mb_emit_icall (mb, mono_remoting_wrapper);
3646 emit_thread_interrupt_checkpoint (mb);
3648 if (sig->ret->type == MONO_TYPE_VOID) {
3649 mono_mb_emit_byte (mb, CEE_POP);
3650 mono_mb_emit_byte (mb, CEE_RET);
3652 mono_mb_emit_restore_result (mb, sig->ret);
3655 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16);
3661 /* mono_get_xdomain_marshal_type()
3662 * Returns the kind of marshalling that a type needs for cross domain calls.
3664 static MonoXDomainMarshalType
3665 mono_get_xdomain_marshal_type (MonoType *t)
3668 case MONO_TYPE_VOID:
3669 g_assert_not_reached ();
3673 case MONO_TYPE_BOOLEAN:
3676 case MONO_TYPE_CHAR:
3683 return MONO_MARSHAL_NONE;
3684 case MONO_TYPE_STRING:
3685 return MONO_MARSHAL_COPY;
3686 case MONO_TYPE_ARRAY:
3687 case MONO_TYPE_SZARRAY: {
3688 MonoClass *elem_class = mono_class_from_mono_type (t)->element_class;
3689 if (mono_get_xdomain_marshal_type (&(elem_class->byval_arg)) != MONO_MARSHAL_SERIALIZE)
3690 return MONO_MARSHAL_COPY;
3695 return MONO_MARSHAL_SERIALIZE;
3699 /* mono_marshal_xdomain_copy_value
3700 * Makes a copy of "val" suitable for the current domain.
3703 mono_marshal_xdomain_copy_value (MonoObject *val)
3706 if (val == NULL) return NULL;
3708 domain = mono_domain_get ();
3710 switch (mono_object_class (val)->byval_arg.type) {
3711 case MONO_TYPE_VOID:
3712 g_assert_not_reached ();
3716 case MONO_TYPE_BOOLEAN:
3719 case MONO_TYPE_CHAR:
3725 case MONO_TYPE_R8: {
3726 return mono_value_box (domain, mono_object_class (val), ((char*)val) + sizeof(MonoObject));
3728 case MONO_TYPE_STRING: {
3729 MonoString *str = (MonoString *) val;
3730 return (MonoObject *) mono_string_new_utf16 (domain, mono_string_chars (str), mono_string_length (str));
3732 case MONO_TYPE_ARRAY:
3733 case MONO_TYPE_SZARRAY: {
3735 MonoXDomainMarshalType mt = mono_get_xdomain_marshal_type (&(mono_object_class (val)->element_class->byval_arg));
3736 if (mt == MONO_MARSHAL_SERIALIZE) return NULL;
3737 acopy = mono_array_clone_in_domain (domain, (MonoArray *) val);
3738 if (mt == MONO_MARSHAL_COPY) {
3739 int i, len = mono_array_length (acopy);
3740 for (i = 0; i < len; i++) {
3741 MonoObject *item = mono_array_get (acopy, gpointer, i);
3742 mono_array_setref (acopy, i, mono_marshal_xdomain_copy_value (item));
3745 return (MonoObject *) acopy;
3749 if (mono_object_class (val) == mono_defaults.stringbuilder_class) {
3750 MonoStringBuilder *oldsb = (MonoStringBuilder *) val;
3751 MonoStringBuilder *newsb = (MonoStringBuilder *) mono_object_new (domain, mono_defaults.stringbuilder_class);
3752 MONO_OBJECT_SETREF (newsb, str, mono_string_new_utf16 (domain, mono_string_chars (oldsb->str), mono_string_length (oldsb->str)));
3753 newsb->length = oldsb->length;
3754 newsb->max_capacity = (gint32)0x7fffffff;
3755 return (MonoObject *) newsb;
3760 /* mono_marshal_xdomain_copy_out_value()
3761 * Copies the contents of the src instance into the dst instance. src and dst
3762 * must have the same type, and if they are arrays, the same size.
3765 mono_marshal_xdomain_copy_out_value (MonoObject *src, MonoObject *dst)
3767 if (src == NULL || dst == NULL) return;
3769 g_assert (mono_object_class (src) == mono_object_class (dst));
3771 switch (mono_object_class (src)->byval_arg.type) {
3772 case MONO_TYPE_ARRAY:
3773 case MONO_TYPE_SZARRAY: {
3774 int mt = mono_get_xdomain_marshal_type (&(mono_object_class (src)->element_class->byval_arg));
3775 if (mt == MONO_MARSHAL_SERIALIZE) return;
3776 if (mt == MONO_MARSHAL_COPY) {
3777 int i, len = mono_array_length ((MonoArray *)dst);
3778 for (i = 0; i < len; i++) {
3779 MonoObject *item = mono_array_get ((MonoArray *)src, gpointer, i);
3780 mono_array_setref ((MonoArray *)dst, i, mono_marshal_xdomain_copy_value (item));
3783 mono_array_full_copy ((MonoArray *)src, (MonoArray *)dst);
3789 if (mono_object_class (src) == mono_defaults.stringbuilder_class) {
3790 MonoStringBuilder *src_sb = (MonoStringBuilder *) src;
3791 MonoStringBuilder *dst_sb = (MonoStringBuilder *) dst;
3793 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)));
3794 dst_sb->cached_str = NULL;
3795 dst_sb->length = src_sb->length;
3800 mono_marshal_emit_xdomain_copy_value (MonoMethodBuilder *mb, MonoClass *pclass)
3802 mono_mb_emit_icall (mb, mono_marshal_xdomain_copy_value);
3803 mono_mb_emit_op (mb, CEE_CASTCLASS, pclass);
3807 mono_marshal_emit_xdomain_copy_out_value (MonoMethodBuilder *mb, MonoClass *pclass)
3809 mono_mb_emit_icall (mb, mono_marshal_xdomain_copy_out_value);
3812 /* mono_marshal_supports_fast_xdomain()
3813 * Returns TRUE if the method can use the fast xdomain wrapper.
3816 mono_marshal_supports_fast_xdomain (MonoMethod *method)
3818 return !method->klass->contextbound &&
3819 !((method->flags & METHOD_ATTRIBUTE_SPECIAL_NAME) && (strcmp (".ctor", method->name) == 0));
3823 mono_marshal_set_domain_by_id (gint32 id, MonoBoolean push)
3825 MonoDomain *current_domain = mono_domain_get ();
3826 MonoDomain *domain = mono_domain_get_by_id (id);
3828 if (!domain || !mono_domain_set (domain, FALSE))
3829 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
3832 mono_thread_push_appdomain_ref (domain);
3834 mono_thread_pop_appdomain_ref ();
3836 return current_domain->domain_id;
3840 mono_marshal_emit_switch_domain (MonoMethodBuilder *mb)
3842 mono_mb_emit_icall (mb, mono_marshal_set_domain_by_id);
3845 /* mono_marshal_emit_load_domain_method ()
3846 * Loads into the stack a pointer to the code of the provided method for
3847 * the current domain.
3850 mono_marshal_emit_load_domain_method (MonoMethodBuilder *mb, MonoMethod *method)
3852 /* We need a pointer to the method for the running domain (not the domain
3853 * that compiles the method).
3855 mono_mb_emit_ptr (mb, method);
3856 mono_mb_emit_icall (mb, mono_compile_method);
3859 /* mono_marshal_check_domain_image ()
3860 * Returns TRUE if the image is loaded in the specified
3861 * application domain.
3864 mono_marshal_check_domain_image (gint32 domain_id, MonoImage *image)
3869 MonoDomain *domain = mono_domain_get_by_id (domain_id);
3873 mono_domain_assemblies_lock (domain);
3874 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
3876 if (ass->image == image)
3879 mono_domain_assemblies_unlock (domain);
3884 /* mono_marshal_get_xappdomain_dispatch ()
3885 * Generates a method that dispatches a method call from another domain into
3886 * the current domain.
3889 mono_marshal_get_xappdomain_dispatch (MonoMethod *method, int *marshal_types, int complex_count, int complex_out_count, int ret_marshal_type)
3891 MonoMethodSignature *sig, *csig;
3892 MonoMethodBuilder *mb;
3894 int i, j, param_index, copy_locals_base;
3895 MonoClass *ret_class = NULL;
3896 int loc_array=0, loc_return=0, loc_serialized_exc=0;
3897 MonoExceptionClause *main_clause;
3898 MonoMethodHeader *header;
3900 gboolean copy_return;
3902 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_XDOMAIN_DISPATCH)))
3905 sig = mono_method_signature (method);
3906 copy_return = (sig->ret->type != MONO_TYPE_VOID && ret_marshal_type != MONO_MARSHAL_SERIALIZE);
3909 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3 + sig->param_count - complex_count);
3910 csig->params [j++] = &mono_defaults.object_class->byval_arg;
3911 csig->params [j++] = &byte_array_class->this_arg;
3912 csig->params [j++] = &byte_array_class->this_arg;
3913 for (i = 0; i < sig->param_count; i++) {
3914 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE)
3915 csig->params [j++] = sig->params [i];
3918 csig->ret = sig->ret;
3920 csig->ret = &mono_defaults.void_class->byval_arg;
3922 csig->hasthis = FALSE;
3924 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_XDOMAIN_DISPATCH);
3925 mb->method->save_lmf = 1;
3929 loc_serialized_exc = mono_mb_add_local (mb, &byte_array_class->byval_arg);
3930 if (complex_count > 0)
3931 loc_array = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3932 if (sig->ret->type != MONO_TYPE_VOID) {
3933 loc_return = mono_mb_add_local (mb, sig->ret);
3934 ret_class = mono_class_from_mono_type (sig->ret);
3939 main_clause = g_new0 (MonoExceptionClause, 1);
3940 main_clause->try_offset = mb->pos;
3942 /* Clean the call context */
3944 mono_mb_emit_byte (mb, CEE_LDNULL);
3945 mono_mb_emit_managed_call (mb, method_set_call_context, NULL);
3946 mono_mb_emit_byte (mb, CEE_POP);
3948 /* Deserialize call data */
3950 mono_mb_emit_ldarg (mb, 1);
3951 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3952 mono_mb_emit_byte (mb, CEE_DUP);
3953 pos = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
3955 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
3956 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
3958 if (complex_count > 0)
3959 mono_mb_emit_stloc (mb, loc_array);
3961 mono_mb_emit_byte (mb, CEE_POP);
3963 mono_mb_patch_addr_s (mb, pos, mb->pos - (pos + 1));
3965 /* Get the target object */
3967 mono_mb_emit_ldarg (mb, 0);
3968 mono_mb_emit_managed_call (mb, method_rs_appdomain_target, NULL);
3970 /* Load the arguments */
3972 copy_locals_base = mb->locals;
3973 param_index = 3; // Index of the first non-serialized parameter of this wrapper
3975 for (i = 0; i < sig->param_count; i++) {
3976 MonoType *pt = sig->params [i];
3977 MonoClass *pclass = mono_class_from_mono_type (pt);
3978 switch (marshal_types [i]) {
3979 case MONO_MARSHAL_SERIALIZE: {
3980 /* take the value from the serialized array */
3981 mono_mb_emit_ldloc (mb, loc_array);
3982 mono_mb_emit_icon (mb, j++);
3984 if (pclass->valuetype) {
3985 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3986 mono_mb_emit_op (mb, CEE_UNBOX, pclass);
3988 mono_mb_emit_op (mb, CEE_LDELEMA, pclass);
3991 if (pclass->valuetype) {
3992 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3993 mono_mb_emit_op (mb, CEE_UNBOX, pclass);
3994 mono_mb_emit_op (mb, CEE_LDOBJ, pclass);
3996 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3997 if (pclass != mono_defaults.object_class) {
3998 mono_mb_emit_op (mb, CEE_CASTCLASS, pclass);
4004 case MONO_MARSHAL_COPY_OUT: {
4005 /* Keep a local copy of the value since we need to copy it back after the call */
4006 int copy_local = mono_mb_add_local (mb, &(pclass->byval_arg));
4007 mono_mb_emit_ldarg (mb, param_index++);
4008 mono_marshal_emit_xdomain_copy_value (mb, pclass);
4009 mono_mb_emit_byte (mb, CEE_DUP);
4010 mono_mb_emit_stloc (mb, copy_local);
4013 case MONO_MARSHAL_COPY: {
4014 mono_mb_emit_ldarg (mb, param_index);
4016 mono_mb_emit_byte (mb, CEE_DUP);
4017 mono_mb_emit_byte (mb, CEE_DUP);
4018 mono_mb_emit_byte (mb, CEE_LDIND_REF);
4019 mono_marshal_emit_xdomain_copy_value (mb, pclass);
4020 mono_mb_emit_byte (mb, CEE_STIND_REF);
4022 mono_marshal_emit_xdomain_copy_value (mb, pclass);
4027 case MONO_MARSHAL_NONE:
4028 mono_mb_emit_ldarg (mb, param_index++);
4033 /* Make the call to the real object */
4035 emit_thread_force_interrupt_checkpoint (mb);
4037 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
4039 if (sig->ret->type != MONO_TYPE_VOID)
4040 mono_mb_emit_stloc (mb, loc_return);
4042 /* copy back MONO_MARSHAL_COPY_OUT parameters */
4046 for (i = 0; i < sig->param_count; i++) {
4047 if (marshal_types [i] == MONO_MARSHAL_SERIALIZE) continue;
4048 if (marshal_types [i] == MONO_MARSHAL_COPY_OUT) {
4049 mono_mb_emit_ldloc (mb, copy_locals_base + (j++));
4050 mono_mb_emit_ldarg (mb, param_index);
4051 mono_marshal_emit_xdomain_copy_out_value (mb, mono_class_from_mono_type (sig->params [i]));
4056 /* Serialize the return values */
4058 if (complex_out_count > 0) {
4059 /* Reset parameters in the array that don't need to be serialized back */
4061 for (i = 0; i < sig->param_count; i++) {
4062 if (marshal_types[i] != MONO_MARSHAL_SERIALIZE) continue;
4063 if (!sig->params [i]->byref) {
4064 mono_mb_emit_ldloc (mb, loc_array);
4065 mono_mb_emit_icon (mb, j);
4066 mono_mb_emit_byte (mb, CEE_LDNULL);
4067 mono_mb_emit_byte (mb, CEE_STELEM_REF);
4072 /* Add the return value to the array */
4074 if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
4075 mono_mb_emit_ldloc (mb, loc_array);
4076 mono_mb_emit_icon (mb, complex_count); /* The array has an additional slot to hold the ret value */
4077 mono_mb_emit_ldloc (mb, loc_return);
4078 if (ret_class->valuetype) {
4079 mono_mb_emit_op (mb, CEE_BOX, ret_class);
4081 mono_mb_emit_byte (mb, CEE_STELEM_REF);
4086 mono_mb_emit_ldarg (mb, 1);
4087 mono_mb_emit_ldloc (mb, loc_array);
4088 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
4089 mono_mb_emit_byte (mb, CEE_STIND_REF);
4090 } else if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
4091 mono_mb_emit_ldarg (mb, 1);
4092 mono_mb_emit_ldloc (mb, loc_return);
4093 if (ret_class->valuetype) {
4094 mono_mb_emit_op (mb, CEE_BOX, ret_class);
4096 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
4097 mono_mb_emit_byte (mb, CEE_STIND_REF);
4099 mono_mb_emit_ldarg (mb, 1);
4100 mono_mb_emit_byte (mb, CEE_LDNULL);
4101 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
4102 mono_mb_emit_byte (mb, CEE_STIND_REF);
4105 mono_mb_emit_ldarg (mb, 2);
4106 mono_mb_emit_byte (mb, CEE_LDNULL);
4107 mono_mb_emit_byte (mb, CEE_STIND_REF);
4108 pos_leave = mono_mb_emit_branch (mb, CEE_LEAVE);
4110 /* Main exception catch */
4111 main_clause->flags = MONO_EXCEPTION_CLAUSE_NONE;
4112 main_clause->try_len = mb->pos - main_clause->try_offset;
4113 main_clause->data.catch_class = mono_defaults.object_class;
4116 main_clause->handler_offset = mb->pos;
4117 mono_mb_emit_managed_call (mb, method_rs_serialize_exc, NULL);
4118 mono_mb_emit_stloc (mb, loc_serialized_exc);
4119 mono_mb_emit_ldarg (mb, 2);
4120 mono_mb_emit_ldloc (mb, loc_serialized_exc);
4121 mono_mb_emit_byte (mb, CEE_STIND_REF);
4122 mono_mb_emit_branch (mb, CEE_LEAVE);
4123 main_clause->handler_len = mb->pos - main_clause->handler_offset;
4126 mono_mb_patch_addr (mb, pos_leave, mb->pos - (pos_leave + 4));
4129 mono_mb_emit_ldloc (mb, loc_return);
4131 mono_mb_emit_byte (mb, CEE_RET);
4133 res = mono_remoting_mb_create_and_cache (method, mb, csig, csig->param_count + 16);
4136 header = ((MonoMethodNormal *)res)->header;
4137 header->num_clauses = 1;
4138 header->clauses = main_clause;
4143 /* mono_marshal_get_xappdomain_invoke ()
4144 * Generates a fast remoting wrapper for cross app domain calls.
4147 mono_marshal_get_xappdomain_invoke (MonoMethod *method)
4149 MonoMethodSignature *sig;
4150 MonoMethodBuilder *mb;
4152 int i, j, complex_count, complex_out_count, copy_locals_base;
4154 MonoClass *ret_class = NULL;
4155 MonoMethod *xdomain_method;
4156 int ret_marshal_type = MONO_MARSHAL_NONE;
4157 int loc_array=0, loc_serialized_data=-1, loc_real_proxy;
4158 int loc_old_domainid, loc_domainid, loc_return=0, loc_serialized_exc=0, loc_context;
4159 int pos, pos_dispatch, pos_noex;
4160 gboolean copy_return = FALSE;
4164 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE || method->wrapper_type == MONO_WRAPPER_XDOMAIN_INVOKE)
4167 /* we cant remote methods without this pointer */
4168 if (!mono_method_signature (method)->hasthis)
4171 if (!mono_marshal_supports_fast_xdomain (method))
4172 return mono_marshal_get_remoting_invoke (method);
4174 mono_remoting_marshal_init ();
4176 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_XDOMAIN_INVOKE)))
4179 sig = signature_no_pinvoke (method);
4181 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_XDOMAIN_INVOKE);
4182 mb->method->save_lmf = 1;
4184 /* Count the number of parameters that need to be serialized */
4186 marshal_types = alloca (sizeof (int) * sig->param_count);
4187 complex_count = complex_out_count = 0;
4188 for (i = 0; i < sig->param_count; i++) {
4189 MonoType *ptype = sig->params[i];
4190 int mt = mono_get_xdomain_marshal_type (ptype);
4192 /* If the [Out] attribute is applied to a parameter that can be internally copied,
4193 * the copy will be made by reusing the original object instance
4195 if ((ptype->attrs & PARAM_ATTRIBUTE_OUT) != 0 && mt == MONO_MARSHAL_COPY && !ptype->byref)
4196 mt = MONO_MARSHAL_COPY_OUT;
4197 else if (mt == MONO_MARSHAL_SERIALIZE) {
4199 if (ptype->byref) complex_out_count++;
4201 marshal_types [i] = mt;
4204 if (sig->ret->type != MONO_TYPE_VOID) {
4205 ret_marshal_type = mono_get_xdomain_marshal_type (sig->ret);
4206 ret_class = mono_class_from_mono_type (sig->ret);
4207 copy_return = ret_marshal_type != MONO_MARSHAL_SERIALIZE;
4212 if (complex_count > 0)
4213 loc_array = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4214 loc_serialized_data = mono_mb_add_local (mb, &byte_array_class->byval_arg);
4215 loc_real_proxy = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4217 loc_return = mono_mb_add_local (mb, sig->ret);
4218 loc_old_domainid = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
4219 loc_domainid = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
4220 loc_serialized_exc = mono_mb_add_local (mb, &byte_array_class->byval_arg);
4221 loc_context = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4223 /* Save thread domain data */
4225 mono_mb_emit_icall (mb, mono_context_get);
4226 mono_mb_emit_byte (mb, CEE_DUP);
4227 mono_mb_emit_stloc (mb, loc_context);
4229 /* If the thread is not running in the default context, it needs to go
4230 * through the whole remoting sink, since the context is going to change
4232 mono_mb_emit_managed_call (mb, method_needs_context_sink, NULL);
4233 pos = mono_mb_emit_short_branch (mb, CEE_BRTRUE_S);
4235 /* Another case in which the fast path can't be used: when the target domain
4236 * has a different image for the same assembly.
4239 /* Get the target domain id */
4241 mono_mb_emit_ldarg (mb, 0);
4242 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
4243 mono_mb_emit_byte (mb, CEE_LDIND_REF);
4244 mono_mb_emit_byte (mb, CEE_DUP);
4245 mono_mb_emit_stloc (mb, loc_real_proxy);
4247 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoRealProxy, target_domain_id));
4248 mono_mb_emit_byte (mb, CEE_LDIND_I4);
4249 mono_mb_emit_stloc (mb, loc_domainid);
4251 /* Check if the target domain has the same image for the required assembly */
4253 mono_mb_emit_ldloc (mb, loc_domainid);
4254 mono_mb_emit_ptr (mb, method->klass->image);
4255 mono_mb_emit_icall (mb, mono_marshal_check_domain_image);
4256 pos_dispatch = mono_mb_emit_short_branch (mb, CEE_BRTRUE_S);
4258 /* Use the whole remoting sink to dispatch this message */
4260 mono_mb_patch_short_branch (mb, pos);
4262 mono_mb_emit_ldarg (mb, 0);
4263 for (i = 0; i < sig->param_count; i++)
4264 mono_mb_emit_ldarg (mb, i + 1);
4266 mono_mb_emit_managed_call (mb, mono_marshal_get_remoting_invoke (method), NULL);
4267 mono_mb_emit_byte (mb, CEE_RET);
4268 mono_mb_patch_short_branch (mb, pos_dispatch);
4270 /* Create the array that will hold the parameters to be serialized */
4272 if (complex_count > 0) {
4273 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 */
4274 mono_mb_emit_op (mb, CEE_NEWARR, mono_defaults.object_class);
4277 for (i = 0; i < sig->param_count; i++) {
4279 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE) continue;
4280 pclass = mono_class_from_mono_type (sig->params[i]);
4281 mono_mb_emit_byte (mb, CEE_DUP);
4282 mono_mb_emit_icon (mb, j);
4283 mono_mb_emit_ldarg (mb, i + 1); /* 0=this */
4284 if (sig->params[i]->byref) {
4285 if (pclass->valuetype)
4286 mono_mb_emit_op (mb, CEE_LDOBJ, pclass);
4288 mono_mb_emit_byte (mb, CEE_LDIND_REF);
4290 if (pclass->valuetype)
4291 mono_mb_emit_op (mb, CEE_BOX, pclass);
4292 mono_mb_emit_byte (mb, CEE_STELEM_REF);
4295 mono_mb_emit_stloc (mb, loc_array);
4297 /* Serialize parameters */
4299 mono_mb_emit_ldloc (mb, loc_array);
4300 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
4301 mono_mb_emit_stloc (mb, loc_serialized_data);
4303 mono_mb_emit_byte (mb, CEE_LDNULL);
4304 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
4305 mono_mb_emit_stloc (mb, loc_serialized_data);
4310 mono_mb_emit_ldloc (mb, loc_domainid);
4311 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
4312 mono_marshal_emit_switch_domain (mb);
4313 mono_mb_emit_stloc (mb, loc_old_domainid);
4315 /* Load the arguments */
4317 mono_mb_emit_ldloc (mb, loc_real_proxy);
4318 mono_mb_emit_ldloc_addr (mb, loc_serialized_data);
4319 mono_mb_emit_ldloc_addr (mb, loc_serialized_exc);
4321 copy_locals_base = mb->locals;
4322 for (i = 0; i < sig->param_count; i++) {
4323 switch (marshal_types [i]) {
4324 case MONO_MARSHAL_SERIALIZE:
4326 case MONO_MARSHAL_COPY: {
4327 mono_mb_emit_ldarg (mb, i+1);
4328 if (sig->params [i]->byref) {
4329 /* make a local copy of the byref parameter. The real parameter
4330 * will be updated after the xdomain call
4332 MonoClass *pclass = mono_class_from_mono_type (sig->params [i]);
4333 int copy_local = mono_mb_add_local (mb, &(pclass->byval_arg));
4334 mono_mb_emit_byte (mb, CEE_LDIND_REF);
4335 mono_mb_emit_stloc (mb, copy_local);
4336 mono_mb_emit_ldloc_addr (mb, copy_local);
4340 case MONO_MARSHAL_COPY_OUT:
4341 case MONO_MARSHAL_NONE:
4342 mono_mb_emit_ldarg (mb, i+1);
4347 /* Make the call to the invoke wrapper in the target domain */
4349 xdomain_method = mono_marshal_get_xappdomain_dispatch (method, marshal_types, complex_count, complex_out_count, ret_marshal_type);
4350 mono_marshal_emit_load_domain_method (mb, xdomain_method);
4351 mono_mb_emit_calli (mb, mono_method_signature (xdomain_method));
4354 mono_mb_emit_stloc (mb, loc_return);
4358 mono_mb_emit_ldloc (mb, loc_old_domainid);
4359 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
4360 mono_marshal_emit_switch_domain (mb);
4361 mono_mb_emit_byte (mb, CEE_POP);
4363 /* Restore thread domain data */
4365 mono_mb_emit_ldloc (mb, loc_context);
4366 mono_mb_emit_icall (mb, mono_context_set);
4368 /* if (loc_serialized_exc != null) ... */
4370 mono_mb_emit_ldloc (mb, loc_serialized_exc);
4371 pos_noex = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
4373 mono_mb_emit_ldloc (mb, loc_serialized_exc);
4374 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
4375 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
4376 mono_mb_emit_op (mb, CEE_CASTCLASS, mono_defaults.exception_class);
4377 mono_mb_emit_managed_call (mb, method_exc_fixexc, NULL);
4378 mono_mb_emit_byte (mb, CEE_THROW);
4379 mono_mb_patch_addr_s (mb, pos_noex, mb->pos - pos_noex - 1);
4381 /* copy back non-serialized output parameters */
4384 for (i = 0; i < sig->param_count; i++) {
4385 if (!sig->params [i]->byref || marshal_types [i] != MONO_MARSHAL_COPY) continue;
4386 mono_mb_emit_ldarg (mb, i + 1);
4387 mono_mb_emit_ldloc (mb, copy_locals_base + (j++));
4388 mono_marshal_emit_xdomain_copy_value (mb, mono_class_from_mono_type (sig->params [i]));
4389 mono_mb_emit_byte (mb, CEE_STIND_REF);
4392 /* Deserialize out parameters */
4394 if (complex_out_count > 0) {
4395 mono_mb_emit_ldloc (mb, loc_serialized_data);
4396 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
4397 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
4398 mono_mb_emit_stloc (mb, loc_array);
4400 /* Copy back output parameters and return type */
4403 for (i = 0; i < sig->param_count; i++) {
4404 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE) continue;
4405 if (sig->params[i]->byref) {
4406 MonoClass *pclass = mono_class_from_mono_type (sig->params [i]);
4407 mono_mb_emit_ldarg (mb, i + 1);
4408 mono_mb_emit_ldloc (mb, loc_array);
4409 mono_mb_emit_icon (mb, j);
4410 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
4411 if (pclass->valuetype) {
4412 mono_mb_emit_op (mb, CEE_UNBOX, pclass);
4413 mono_mb_emit_op (mb, CEE_LDOBJ, pclass);
4414 mono_mb_emit_op (mb, CEE_STOBJ, pclass);
4416 if (pclass != mono_defaults.object_class)
4417 mono_mb_emit_op (mb, CEE_CASTCLASS, pclass);
4418 mono_mb_emit_byte (mb, CEE_STIND_REF);
4424 if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
4425 mono_mb_emit_ldloc (mb, loc_array);
4426 mono_mb_emit_icon (mb, complex_count);
4427 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
4428 if (ret_class->valuetype) {
4429 mono_mb_emit_op (mb, CEE_UNBOX, ret_class);
4430 mono_mb_emit_op (mb, CEE_LDOBJ, ret_class);
4433 } else if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
4434 mono_mb_emit_ldloc (mb, loc_serialized_data);
4435 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
4436 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
4437 if (ret_class->valuetype) {
4438 mono_mb_emit_op (mb, CEE_UNBOX, ret_class);
4439 mono_mb_emit_op (mb, CEE_LDOBJ, ret_class);
4440 } else if (ret_class != mono_defaults.object_class) {
4441 mono_mb_emit_op (mb, CEE_CASTCLASS, ret_class);
4444 mono_mb_emit_ldloc (mb, loc_serialized_data);
4445 mono_mb_emit_byte (mb, CEE_DUP);
4446 pos = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
4447 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
4449 mono_mb_patch_addr_s (mb, pos, mb->pos - (pos + 1));
4450 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
4451 mono_mb_emit_byte (mb, CEE_POP);
4455 mono_mb_emit_ldloc (mb, loc_return);
4456 if (ret_marshal_type == MONO_MARSHAL_COPY)
4457 mono_marshal_emit_xdomain_copy_value (mb, ret_class);
4460 mono_mb_emit_byte (mb, CEE_RET);
4462 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16);
4469 mono_marshal_get_remoting_invoke_for_target (MonoMethod *method, MonoRemotingTarget target_type)
4471 if (target_type == MONO_REMOTING_TARGET_APPDOMAIN)
4472 return mono_marshal_get_xappdomain_invoke (method);
4473 else if (target_type == MONO_REMOTING_TARGET_COMINTEROP)
4474 return cominterop_get_invoke (method);
4476 return mono_marshal_get_remoting_invoke (method);
4479 G_GNUC_UNUSED static gpointer
4480 mono_marshal_load_remoting_wrapper (MonoRealProxy *rp, MonoMethod *method)
4482 if (rp->target_domain_id != -1)
4483 return mono_compile_method (mono_marshal_get_xappdomain_invoke (method));
4485 return mono_compile_method (mono_marshal_get_remoting_invoke (method));
4489 mono_marshal_get_remoting_invoke_with_check (MonoMethod *method)
4491 MonoMethodSignature *sig;
4492 MonoMethodBuilder *mb;
4493 MonoMethod *res, *native;
4494 int i, pos, pos_rem;
4498 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK)
4501 /* we cant remote methods without this pointer */
4502 g_assert (mono_method_signature (method)->hasthis);
4504 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK)))
4507 sig = signature_no_pinvoke (method);
4509 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK);
4511 for (i = 0; i <= sig->param_count; i++)
4512 mono_mb_emit_ldarg (mb, i);
4514 mono_mb_emit_ldarg (mb, 0);
4515 pos = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
4517 if (mono_marshal_supports_fast_xdomain (method)) {
4518 mono_mb_emit_ldarg (mb, 0);
4519 pos_rem = mono_mb_emit_xdomain_check (mb, CEE_BEQ);
4521 /* wrapper for cross app domain calls */
4522 native = mono_marshal_get_xappdomain_invoke (method);
4523 mono_mb_emit_managed_call (mb, native, mono_method_signature (native));
4524 mono_mb_emit_byte (mb, CEE_RET);
4526 mono_mb_patch_addr (mb, pos_rem, mb->pos - (pos_rem + 4));
4528 /* wrapper for normal remote calls */
4529 native = mono_marshal_get_remoting_invoke (method);
4530 mono_mb_emit_managed_call (mb, native, mono_method_signature (native));
4531 mono_mb_emit_byte (mb, CEE_RET);
4534 mono_mb_patch_branch (mb, pos);
4535 mono_mb_emit_managed_call (mb, method, mono_method_signature (method));
4536 mono_mb_emit_byte (mb, CEE_RET);
4538 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16);
4545 * the returned method invokes all methods in a multicast delegate
4548 mono_marshal_get_delegate_invoke (MonoMethod *method)
4550 MonoMethodSignature *sig, *static_sig;
4552 MonoMethodBuilder *mb;
4558 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
4559 !strcmp (method->name, "Invoke"));
4561 sig = signature_no_pinvoke (method);
4563 cache = method->klass->image->delegate_invoke_cache;
4564 if ((res = mono_marshal_find_in_cache (cache, sig)))
4567 static_sig = signature_dup (method->klass->image, sig);
4568 static_sig->hasthis = 0;
4570 name = mono_signature_to_name (sig, "invoke");
4571 mb = mono_mb_new (mono_defaults.multicastdelegate_class, name, MONO_WRAPPER_DELEGATE_INVOKE);
4574 /* allocate local 0 (object) */
4575 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4577 g_assert (sig->hasthis);
4581 * prev.Invoke( args .. );
4582 * return this.<target>( args .. );
4585 /* this wrapper can be used in unmanaged-managed transitions */
4586 emit_thread_interrupt_checkpoint (mb);
4588 /* get this->prev */
4589 mono_mb_emit_ldarg (mb, 0);
4590 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoMulticastDelegate, prev));
4591 mono_mb_emit_byte (mb, CEE_LDIND_REF);
4593 /* if prev != null */
4594 pos0 = mono_mb_emit_branch (mb, CEE_BRFALSE);
4598 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4599 mono_mb_emit_byte (mb, CEE_MONO_NOT_TAKEN);
4601 mono_mb_emit_ldarg (mb, 0);
4602 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoMulticastDelegate, prev));
4603 mono_mb_emit_byte (mb, CEE_LDIND_REF);
4604 for (i = 0; i < sig->param_count; i++)
4605 mono_mb_emit_ldarg (mb, i + 1);
4606 mono_mb_emit_managed_call (mb, method, mono_method_signature (method));
4607 if (sig->ret->type != MONO_TYPE_VOID)
4608 mono_mb_emit_byte (mb, CEE_POP);
4610 /* continued or prev == null */
4611 mono_mb_patch_branch (mb, pos0);
4613 /* get this->target */
4614 mono_mb_emit_ldarg (mb, 0);
4615 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, target));
4616 mono_mb_emit_byte (mb, CEE_LDIND_REF);
4617 mono_mb_emit_stloc (mb, 0);
4619 /* if target != null */
4620 mono_mb_emit_ldloc (mb, 0);
4621 pos0 = mono_mb_emit_branch (mb, CEE_BRFALSE);
4623 /* then call this->method_ptr nonstatic */
4624 mono_mb_emit_ldloc (mb, 0);
4625 for (i = 0; i < sig->param_count; ++i)
4626 mono_mb_emit_ldarg (mb, i + 1);
4627 mono_mb_emit_ldarg (mb, 0);
4628 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, method_ptr));
4629 mono_mb_emit_byte (mb, CEE_LDIND_I );
4630 mono_mb_emit_op (mb, CEE_CALLI, sig);
4632 pos1 = mono_mb_emit_branch (mb, CEE_BR);
4634 /* else [target == null] call this->method_ptr static */
4635 mono_mb_patch_branch (mb, pos0);
4637 for (i = 0; i < sig->param_count; ++i)
4638 mono_mb_emit_ldarg (mb, i + 1);
4639 mono_mb_emit_ldarg (mb, 0);
4640 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, method_ptr));
4641 mono_mb_emit_byte (mb, CEE_LDIND_I );
4642 mono_mb_emit_op (mb, CEE_CALLI, static_sig);
4645 mono_mb_patch_branch (mb, pos1);
4646 mono_mb_emit_byte (mb, CEE_RET);
4648 res = mono_mb_create_and_cache (cache, sig,
4649 mb, sig, sig->param_count + 16);
4656 * signature_dup_add_this:
4658 * Make a copy of @sig, adding an explicit this argument.
4660 static MonoMethodSignature*
4661 signature_dup_add_this (MonoMethodSignature *sig, MonoClass *klass)
4663 MonoMethodSignature *res;
4666 res = mono_metadata_signature_alloc (klass->image, sig->param_count + 1);
4667 memcpy (res, sig, sizeof (MonoMethodSignature));
4668 res->param_count = sig->param_count + 1;
4669 res->hasthis = FALSE;
4670 for (i = sig->param_count - 1; i >= 0; i --)
4671 res->params [i + 1] = sig->params [i];
4672 res->params [0] = &mono_ptr_class_get (&klass->byval_arg)->byval_arg;
4678 MonoMethodSignature *ctor_sig;
4679 MonoMethodSignature *sig;
4682 /* protected by the marshal lock, contains CtorSigPair pointers */
4683 static GSList *strsig_list = NULL;
4685 static MonoMethodSignature *
4686 lookup_string_ctor_signature (MonoMethodSignature *sig)
4688 MonoMethodSignature *callsig;
4692 mono_marshal_lock ();
4694 for (item = strsig_list; item; item = item->next) {
4696 /* mono_metadata_signature_equal () is safe to call with the marshal lock
4697 * because it is lock-free.
4699 if (mono_metadata_signature_equal (sig, cs->ctor_sig)) {
4704 mono_marshal_unlock ();
4708 static MonoMethodSignature *
4709 add_string_ctor_signature (MonoMethod *method)
4711 MonoMethodSignature *callsig;
4714 callsig = signature_dup (method->klass->image, mono_method_signature (method));
4715 callsig->ret = &mono_defaults.string_class->byval_arg;
4716 cs = g_new (CtorSigPair, 1);
4718 cs->ctor_sig = mono_method_signature (method);
4720 mono_marshal_lock ();
4721 strsig_list = g_slist_prepend (strsig_list, cs);
4722 mono_marshal_unlock ();
4727 * generates IL code for the runtime invoke function
4728 * MonoObject *runtime_invoke (MonoObject *this, void **params, MonoObject **exc, void* method)
4730 * we also catch exceptions if exc != null
4733 mono_marshal_get_runtime_invoke (MonoMethod *method)
4735 MonoMethodSignature *sig, *csig, *callsig;
4736 MonoExceptionClause *clause;
4737 MonoMethodHeader *header;
4738 MonoMethodBuilder *mb;
4739 GHashTable *cache = NULL;
4740 MonoClass *target_klass;
4741 MonoMethod *res = NULL;
4742 static MonoString *string_dummy = NULL;
4743 static MonoMethodSignature *dealy_abort_sig = NULL;
4749 if (method->string_ctor) {
4750 callsig = lookup_string_ctor_signature (mono_method_signature (method));
4752 callsig = add_string_ctor_signature (method);
4754 if (method->klass->valuetype && mono_method_signature (method)->hasthis) {
4756 * Valuetype methods receive a managed pointer as the this argument.
4757 * Create a new signature to reflect this.
4759 callsig = signature_dup_add_this (mono_method_signature (method), method->klass);
4761 callsig = mono_method_signature (method);
4765 target_klass = mono_defaults.object_class;
4767 * if types in the signature belong to non-mscorlib, we cache only
4768 * in the method image
4770 if (mono_class_from_mono_type (callsig->ret)->image != mono_defaults.corlib) {
4771 target_klass = method->klass;
4773 for (i = 0; i < callsig->param_count; i++) {
4774 if (mono_class_from_mono_type (callsig->params [i])->image != mono_defaults.corlib) {
4775 target_klass = method->klass;
4780 cache = target_klass->image->runtime_invoke_cache;
4782 /* from mono_marshal_find_in_cache */
4783 mono_marshal_lock ();
4784 res = g_hash_table_lookup (cache, callsig);
4785 mono_marshal_unlock ();
4791 if (!dealy_abort_sig) {
4792 dealy_abort_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
4793 dealy_abort_sig->ret = &mono_defaults.void_class->byval_arg;
4794 dealy_abort_sig->pinvoke = 0;
4797 /* to make it work with our special string constructors */
4798 if (!string_dummy) {
4799 MONO_GC_REGISTER_ROOT (string_dummy);
4800 string_dummy = mono_string_new_wrapper ("dummy");
4803 sig = mono_method_signature (method);
4805 csig = mono_metadata_signature_alloc (target_klass->image, 4);
4807 csig->ret = &mono_defaults.object_class->byval_arg;
4808 if (method->klass->valuetype && mono_method_signature (method)->hasthis)
4809 csig->params [0] = callsig->params [0];
4811 csig->params [0] = &mono_defaults.object_class->byval_arg;
4812 csig->params [1] = &mono_defaults.int_class->byval_arg;
4813 csig->params [2] = &mono_defaults.int_class->byval_arg;
4814 csig->params [3] = &mono_defaults.int_class->byval_arg;
4816 name = mono_signature_to_name (callsig, "runtime_invoke");
4817 mb = mono_mb_new (target_klass, name, MONO_WRAPPER_RUNTIME_INVOKE);
4820 /* allocate local 0 (object) tmp */
4821 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4822 /* allocate local 1 (object) exc */
4823 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4825 /* cond set *exc to null */
4826 mono_mb_emit_byte (mb, CEE_LDARG_2);
4827 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
4828 mono_mb_emit_byte (mb, 3);
4829 mono_mb_emit_byte (mb, CEE_LDARG_2);
4830 mono_mb_emit_byte (mb, CEE_LDNULL);
4831 mono_mb_emit_byte (mb, CEE_STIND_REF);
4833 emit_thread_force_interrupt_checkpoint (mb);
4836 if (method->string_ctor) {
4837 mono_mb_emit_ptr (mb, string_dummy);
4839 mono_mb_emit_ldarg (mb, 0);
4843 for (i = 0; i < sig->param_count; i++) {
4844 MonoType *t = sig->params [i];
4847 mono_mb_emit_ldarg (mb, 1);
4849 mono_mb_emit_icon (mb, sizeof (gpointer) * i);
4850 mono_mb_emit_byte (mb, CEE_ADD);
4852 mono_mb_emit_byte (mb, CEE_LDIND_I);
4857 type = sig->params [i]->type;
4861 case MONO_TYPE_BOOLEAN:
4865 case MONO_TYPE_CHAR:
4874 mono_mb_emit_byte (mb, mono_type_to_ldind (sig->params [i]));
4876 case MONO_TYPE_STRING:
4877 case MONO_TYPE_CLASS:
4878 case MONO_TYPE_ARRAY:
4880 case MONO_TYPE_SZARRAY:
4881 case MONO_TYPE_OBJECT:
4884 case MONO_TYPE_GENERICINST:
4885 if (!mono_type_generic_inst_is_valuetype (sig->params [i])) {
4891 case MONO_TYPE_VALUETYPE:
4892 if (type == MONO_TYPE_VALUETYPE && t->data.klass->enumtype) {
4893 type = t->data.klass->enum_basetype->type;
4896 if (mono_class_is_nullable (mono_class_from_mono_type (sig->params [i]))) {
4897 /* Need to convert a boxed vtype to an mp to a Nullable struct */
4898 mono_mb_emit_op (mb, CEE_UNBOX, mono_class_from_mono_type (sig->params [i]));
4899 mono_mb_emit_op (mb, CEE_LDOBJ, mono_class_from_mono_type (sig->params [i]));
4901 mono_mb_emit_op (mb, CEE_LDOBJ, mono_class_from_mono_type (sig->params [i]));
4905 g_assert_not_reached ();
4909 mono_mb_emit_ldarg (mb, 3);
4910 mono_mb_emit_calli (mb, callsig);
4912 if (sig->ret->byref) {
4914 g_assert_not_reached ();
4918 switch (sig->ret->type) {
4919 case MONO_TYPE_VOID:
4920 if (!method->string_ctor)
4921 mono_mb_emit_byte (mb, CEE_LDNULL);
4923 case MONO_TYPE_BOOLEAN:
4924 case MONO_TYPE_CHAR:
4937 case MONO_TYPE_VALUETYPE:
4938 case MONO_TYPE_TYPEDBYREF:
4939 case MONO_TYPE_GENERICINST:
4940 /* box value types */
4941 mono_mb_emit_op (mb, CEE_BOX, mono_class_from_mono_type (sig->ret));
4943 case MONO_TYPE_STRING:
4944 case MONO_TYPE_CLASS:
4945 case MONO_TYPE_ARRAY:
4946 case MONO_TYPE_SZARRAY:
4947 case MONO_TYPE_OBJECT:
4952 g_assert_not_reached ();
4955 mono_mb_emit_stloc (mb, 0);
4957 pos = mono_mb_emit_branch (mb, CEE_LEAVE);
4959 mono_loader_lock ();
4960 clause = mono_mempool_alloc0 (target_klass->image->mempool, sizeof (MonoExceptionClause));
4961 mono_loader_unlock ();
4962 clause->flags = MONO_EXCEPTION_CLAUSE_FILTER;
4963 clause->try_len = mb->pos;
4966 clause->data.filter_offset = mb->pos;
4968 mono_mb_emit_byte (mb, CEE_POP);
4969 mono_mb_emit_byte (mb, CEE_LDARG_2);
4970 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
4971 mono_mb_emit_byte (mb, CEE_PREFIX1);
4972 mono_mb_emit_byte (mb, CEE_CGT_UN);
4973 mono_mb_emit_byte (mb, CEE_PREFIX1);
4974 mono_mb_emit_byte (mb, CEE_ENDFILTER);
4976 clause->handler_offset = mb->pos;
4979 /* store exception */
4980 mono_mb_emit_stloc (mb, 1);
4982 mono_mb_emit_byte (mb, CEE_LDARG_2);
4983 mono_mb_emit_ldloc (mb, 1);
4984 mono_mb_emit_byte (mb, CEE_STIND_REF);
4986 mono_mb_emit_byte (mb, CEE_LDNULL);
4987 mono_mb_emit_stloc (mb, 0);
4989 /* Check for the abort exception */
4990 mono_mb_emit_ldloc (mb, 1);
4991 mono_mb_emit_op (mb, CEE_ISINST, mono_defaults.threadabortexception_class);
4992 posna = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
4994 /* Delay the abort exception */
4995 mono_mb_emit_native_call (mb, dealy_abort_sig, ves_icall_System_Threading_Thread_ResetAbort);
4997 mono_mb_patch_short_branch (mb, posna);
4998 mono_mb_emit_branch (mb, CEE_LEAVE);
5000 clause->handler_len = mb->pos - clause->handler_offset;
5003 mono_mb_patch_branch (mb, pos);
5004 mono_mb_emit_ldloc (mb, 0);
5005 mono_mb_emit_byte (mb, CEE_RET);
5007 /* taken from mono_mb_create_and_cache */
5008 mono_marshal_lock ();
5009 res = g_hash_table_lookup (cache, callsig);
5010 mono_marshal_unlock ();
5012 /* Somebody may have created it before us */
5015 newm = mono_mb_create_method (mb, csig, sig->param_count + 16);
5017 mono_marshal_lock ();
5018 res = g_hash_table_lookup (cache, callsig);
5021 g_hash_table_insert (cache, callsig, res);
5022 g_hash_table_insert (wrapper_hash, res, callsig);
5024 mono_free_method (newm);
5026 mono_marshal_unlock ();
5029 /* end mono_mb_create_and_cache */
5033 header = ((MonoMethodNormal *)res)->header;
5034 header->num_clauses = 1;
5035 header->clauses = clause;
5041 mono_mb_emit_auto_layout_exception (MonoMethodBuilder *mb, MonoClass *klass)
5043 char *msg = g_strdup_printf ("The type `%s.%s' layout needs to be Sequential or Explicit",
5044 klass->name_space, klass->name);
5046 mono_mb_emit_exception_marshal_directive (mb, msg);
5050 * mono_marshal_get_ldfld_remote_wrapper:
5051 * @klass: The return type
5053 * This method generates a wrapper for calling mono_load_remote_field_new with
5054 * the appropriate return type.
5057 mono_marshal_get_ldfld_remote_wrapper (MonoClass *klass)
5059 MonoMethodSignature *sig, *csig;
5060 MonoMethodBuilder *mb;
5065 cache = klass->image->ldfld_remote_wrapper_cache;
5066 if ((res = mono_marshal_find_in_cache (cache, klass)))
5070 * This wrapper is similar to an icall wrapper but all the wrappers
5071 * call the same C function, but with a different signature.
5073 name = g_strdup_printf ("__mono_load_remote_field_new_wrapper_%s.%s", klass->name_space, klass->name);
5074 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_LDFLD_REMOTE);
5077 mb->method->save_lmf = 1;
5079 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
5080 sig->params [0] = &mono_defaults.object_class->byval_arg;
5081 sig->params [1] = &mono_defaults.int_class->byval_arg;
5082 sig->params [2] = &mono_defaults.int_class->byval_arg;
5083 sig->ret = &klass->this_arg;
5085 mono_mb_emit_ldarg (mb, 0);
5086 mono_mb_emit_ldarg (mb, 1);
5087 mono_mb_emit_ldarg (mb, 2);
5089 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
5090 csig->params [0] = &mono_defaults.object_class->byval_arg;
5091 csig->params [1] = &mono_defaults.int_class->byval_arg;
5092 csig->params [2] = &mono_defaults.int_class->byval_arg;
5093 csig->ret = &klass->this_arg;
5096 mono_mb_emit_native_call (mb, csig, mono_load_remote_field_new);
5097 emit_thread_interrupt_checkpoint (mb);
5099 mono_mb_emit_byte (mb, CEE_RET);
5101 res = mono_mb_create_and_cache (cache, klass,
5102 mb, sig, sig->param_count + 16);
5109 * mono_marshal_get_ldfld_wrapper:
5110 * @type: the type of the field
5112 * This method generates a function which can be use to load a field with type
5113 * @type from an object. The generated function has the following signature:
5114 * <@type> ldfld_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset)
5117 mono_marshal_get_ldfld_wrapper (MonoType *type)
5119 MonoMethodSignature *sig;
5120 MonoMethodBuilder *mb;
5125 int t, pos0, pos1 = 0;
5127 type = mono_type_get_underlying_type (type);
5132 if (type->type == MONO_TYPE_SZARRAY) {
5133 klass = mono_defaults.array_class;
5134 } else if (type->type == MONO_TYPE_VALUETYPE) {
5135 klass = type->data.klass;
5136 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING) {
5137 klass = mono_defaults.object_class;
5138 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
5139 klass = mono_defaults.int_class;
5140 } else if (t == MONO_TYPE_GENERICINST) {
5141 if (mono_type_generic_inst_is_valuetype (type))
5142 klass = mono_class_from_mono_type (type);
5144 klass = mono_defaults.object_class;
5146 klass = mono_class_from_mono_type (type);
5149 klass = mono_defaults.int_class;
5152 cache = klass->image->ldfld_wrapper_cache;
5153 if ((res = mono_marshal_find_in_cache (cache, klass)))
5156 /* we add the %p pointer value of klass because class names are not unique */
5157 name = g_strdup_printf ("__ldfld_wrapper_%p_%s.%s", klass, klass->name_space, klass->name);
5158 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_LDFLD);
5161 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
5162 sig->params [0] = &mono_defaults.object_class->byval_arg;
5163 sig->params [1] = &mono_defaults.int_class->byval_arg;
5164 sig->params [2] = &mono_defaults.int_class->byval_arg;
5165 sig->params [3] = &mono_defaults.int_class->byval_arg;
5166 sig->ret = &klass->byval_arg;
5168 mono_mb_emit_ldarg (mb, 0);
5169 pos0 = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
5171 mono_mb_emit_ldarg (mb, 0);
5172 mono_mb_emit_ldarg (mb, 1);
5173 mono_mb_emit_ldarg (mb, 2);
5175 mono_mb_emit_managed_call (mb, mono_marshal_get_ldfld_remote_wrapper (klass), NULL);
5178 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
5179 csig->params [0] = &mono_defaults.object_class->byval_arg;
5180 csig->params [1] = &mono_defaults.int_class->byval_arg;
5181 csig->params [2] = &mono_defaults.int_class->byval_arg;
5182 csig->ret = &klass->this_arg;
5185 mono_mb_emit_native_call (mb, csig, mono_load_remote_field_new);
5186 emit_thread_interrupt_checkpoint (mb);
5189 if (klass->valuetype) {
5190 mono_mb_emit_op (mb, CEE_UNBOX, klass);
5191 pos1 = mono_mb_emit_branch (mb, CEE_BR);
5193 mono_mb_emit_byte (mb, CEE_RET);
5197 mono_mb_patch_branch (mb, pos0);
5199 mono_mb_emit_ldarg (mb, 0);
5200 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5201 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
5202 mono_mb_emit_ldarg (mb, 3);
5203 mono_mb_emit_byte (mb, CEE_ADD);
5205 if (klass->valuetype)
5206 mono_mb_patch_branch (mb, pos1);
5211 case MONO_TYPE_BOOLEAN:
5212 case MONO_TYPE_CHAR:
5221 case MONO_TYPE_ARRAY:
5222 case MONO_TYPE_SZARRAY:
5223 case MONO_TYPE_OBJECT:
5224 case MONO_TYPE_CLASS:
5225 case MONO_TYPE_STRING:
5229 case MONO_TYPE_FNPTR:
5230 mono_mb_emit_byte (mb, mono_type_to_ldind (type));
5232 case MONO_TYPE_VALUETYPE:
5233 g_assert (!klass->enumtype);
5234 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
5236 case MONO_TYPE_GENERICINST:
5237 if (mono_type_generic_inst_is_valuetype (type)) {
5238 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
5240 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5244 g_warning ("type %x not implemented", type->type);
5245 g_assert_not_reached ();
5248 mono_mb_emit_byte (mb, CEE_RET);
5250 res = mono_mb_create_and_cache (cache, klass,
5251 mb, sig, sig->param_count + 16);
5258 * mono_marshal_get_ldflda_wrapper:
5259 * @type: the type of the field
5261 * This method generates a function which can be used to load a field address
5262 * from an object. The generated function has the following signature:
5263 * gpointer ldflda_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset);
5266 mono_marshal_get_ldflda_wrapper (MonoType *type)
5268 MonoMethodSignature *sig;
5269 MonoMethodBuilder *mb;
5276 type = mono_type_get_underlying_type (type);
5280 if (type->type == MONO_TYPE_SZARRAY) {
5281 klass = mono_defaults.array_class;
5282 } else if (type->type == MONO_TYPE_VALUETYPE) {
5283 klass = type->data.klass;
5284 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING ||
5285 t == MONO_TYPE_CLASS) {
5286 klass = mono_defaults.object_class;
5287 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
5288 klass = mono_defaults.int_class;
5289 } else if (t == MONO_TYPE_GENERICINST) {
5290 if (mono_type_generic_inst_is_valuetype (type))
5291 klass = mono_class_from_mono_type (type);
5293 klass = mono_defaults.object_class;
5295 klass = mono_class_from_mono_type (type);
5298 klass = mono_defaults.int_class;
5301 cache = klass->image->ldflda_wrapper_cache;
5302 if ((res = mono_marshal_find_in_cache (cache, klass)))
5305 /* we add the %p pointer value of klass because class names are not unique */
5306 name = g_strdup_printf ("__ldflda_wrapper_%p_%s.%s", klass, klass->name_space, klass->name);
5307 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_LDFLDA);
5310 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
5311 sig->params [0] = &mono_defaults.object_class->byval_arg;
5312 sig->params [1] = &mono_defaults.int_class->byval_arg;
5313 sig->params [2] = &mono_defaults.int_class->byval_arg;
5314 sig->params [3] = &mono_defaults.int_class->byval_arg;
5315 sig->ret = &mono_defaults.int_class->byval_arg;
5317 mono_mb_emit_ldarg (mb, 0);
5318 pos0 = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
5320 /* FIXME: Only throw this if the object is in another appdomain */
5321 mono_mb_emit_exception_full (mb, "System", "InvalidOperationException", "Attempt to load field address from object in another appdomain.");
5323 mono_mb_patch_branch (mb, pos0);
5325 mono_mb_emit_ldarg (mb, 0);
5326 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5327 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
5328 mono_mb_emit_ldarg (mb, 3);
5329 mono_mb_emit_byte (mb, CEE_ADD);
5331 mono_mb_emit_byte (mb, CEE_RET);
5333 res = mono_mb_create_and_cache (cache, klass,
5334 mb, sig, sig->param_count + 16);
5341 * mono_marshal_get_stfld_remote_wrapper:
5342 * klass: The type of the field
5344 * This function generates a wrapper for calling mono_store_remote_field_new
5345 * with the appropriate signature.
5348 mono_marshal_get_stfld_remote_wrapper (MonoClass *klass)
5350 MonoMethodSignature *sig, *csig;
5351 MonoMethodBuilder *mb;
5356 cache = klass->image->stfld_remote_wrapper_cache;
5357 if ((res = mono_marshal_find_in_cache (cache, klass)))
5360 name = g_strdup_printf ("__mono_store_remote_field_new_wrapper_%s.%s", klass->name_space, klass->name);
5361 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_STFLD_REMOTE);
5364 mb->method->save_lmf = 1;
5366 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
5367 sig->params [0] = &mono_defaults.object_class->byval_arg;
5368 sig->params [1] = &mono_defaults.int_class->byval_arg;
5369 sig->params [2] = &mono_defaults.int_class->byval_arg;
5370 sig->params [3] = &klass->byval_arg;
5371 sig->ret = &mono_defaults.void_class->byval_arg;
5373 mono_mb_emit_ldarg (mb, 0);
5374 mono_mb_emit_ldarg (mb, 1);
5375 mono_mb_emit_ldarg (mb, 2);
5376 mono_mb_emit_ldarg (mb, 3);
5378 if (klass->valuetype)
5379 mono_mb_emit_op (mb, CEE_BOX, klass);
5381 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
5382 csig->params [0] = &mono_defaults.object_class->byval_arg;
5383 csig->params [1] = &mono_defaults.int_class->byval_arg;
5384 csig->params [2] = &mono_defaults.int_class->byval_arg;
5385 csig->params [3] = &klass->byval_arg;
5386 csig->ret = &mono_defaults.void_class->byval_arg;
5389 mono_mb_emit_native_call (mb, csig, mono_store_remote_field_new);
5390 emit_thread_interrupt_checkpoint (mb);
5392 mono_mb_emit_byte (mb, CEE_RET);
5394 res = mono_mb_create_and_cache (cache, klass,
5395 mb, sig, sig->param_count + 16);
5402 * mono_marshal_get_stfld_wrapper:
5403 * @type: the type of the field
5405 * This method generates a function which can be use to store a field with type
5406 * @type. The generated function has the following signature:
5407 * void stfld_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset, <@type> val)
5410 mono_marshal_get_stfld_wrapper (MonoType *type)
5412 MonoMethodSignature *sig;
5413 MonoMethodBuilder *mb;
5420 type = mono_type_get_underlying_type (type);
5424 if (type->type == MONO_TYPE_SZARRAY) {
5425 klass = mono_defaults.array_class;
5426 } else if (type->type == MONO_TYPE_VALUETYPE) {
5427 klass = type->data.klass;
5428 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING) {
5429 klass = mono_defaults.object_class;
5430 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
5431 klass = mono_defaults.int_class;
5432 } else if (t == MONO_TYPE_GENERICINST) {
5433 if (mono_type_generic_inst_is_valuetype (type))
5434 klass = mono_class_from_mono_type (type);
5436 klass = mono_defaults.object_class;
5438 klass = mono_class_from_mono_type (type);
5441 klass = mono_defaults.int_class;
5444 cache = klass->image->stfld_wrapper_cache;
5445 if ((res = mono_marshal_find_in_cache (cache, klass)))
5448 /* we add the %p pointer value of klass because class names are not unique */
5449 name = g_strdup_printf ("__stfld_wrapper_%p_%s.%s", klass, klass->name_space, klass->name);
5450 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_STFLD);
5453 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 5);
5454 sig->params [0] = &mono_defaults.object_class->byval_arg;
5455 sig->params [1] = &mono_defaults.int_class->byval_arg;
5456 sig->params [2] = &mono_defaults.int_class->byval_arg;
5457 sig->params [3] = &mono_defaults.int_class->byval_arg;
5458 sig->params [4] = &klass->byval_arg;
5459 sig->ret = &mono_defaults.void_class->byval_arg;
5461 mono_mb_emit_ldarg (mb, 0);
5462 pos = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
5464 mono_mb_emit_ldarg (mb, 0);
5465 mono_mb_emit_ldarg (mb, 1);
5466 mono_mb_emit_ldarg (mb, 2);
5467 mono_mb_emit_ldarg (mb, 4);
5469 mono_mb_emit_managed_call (mb, mono_marshal_get_stfld_remote_wrapper (klass), NULL);
5471 mono_mb_emit_byte (mb, CEE_RET);
5473 mono_mb_patch_branch (mb, pos);
5475 mono_mb_emit_ldarg (mb, 0);
5476 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5477 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
5478 mono_mb_emit_ldarg (mb, 3);
5479 mono_mb_emit_byte (mb, CEE_ADD);
5480 mono_mb_emit_ldarg (mb, 4);
5485 case MONO_TYPE_BOOLEAN:
5486 case MONO_TYPE_CHAR:
5495 case MONO_TYPE_ARRAY:
5496 case MONO_TYPE_SZARRAY:
5497 case MONO_TYPE_OBJECT:
5498 case MONO_TYPE_CLASS:
5499 case MONO_TYPE_STRING:
5503 case MONO_TYPE_FNPTR:
5504 mono_mb_emit_byte (mb, mono_type_to_stind (type));
5506 case MONO_TYPE_VALUETYPE:
5507 g_assert (!klass->enumtype);
5508 mono_mb_emit_op (mb, CEE_STOBJ, klass);
5510 case MONO_TYPE_GENERICINST:
5511 mono_mb_emit_op (mb, CEE_STOBJ, klass);
5514 g_warning ("type %x not implemented", type->type);
5515 g_assert_not_reached ();
5518 mono_mb_emit_byte (mb, CEE_RET);
5520 res = mono_mb_create_and_cache (cache, klass,
5521 mb, sig, sig->param_count + 16);
5528 * generates IL code for the icall wrapper (the generated method
5529 * calls the unmanaged code in func)
5532 mono_marshal_get_icall_wrapper (MonoMethodSignature *sig, const char *name, gconstpointer func)
5534 MonoMethodSignature *csig;
5535 MonoMethodBuilder *mb;
5539 g_assert (sig->pinvoke);
5541 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_MANAGED_TO_NATIVE);
5543 mb->method->save_lmf = 1;
5545 /* we copy the signature, so that we can modify it */
5548 mono_mb_emit_byte (mb, CEE_LDARG_0);
5550 for (i = 0; i < sig->param_count; i++)
5551 mono_mb_emit_ldarg (mb, i + sig->hasthis);
5553 mono_mb_emit_native_call (mb, sig, (gpointer) func);
5554 emit_thread_interrupt_checkpoint (mb);
5555 mono_mb_emit_byte (mb, CEE_RET);
5557 csig = signature_dup (mono_defaults.corlib, sig);
5559 if (csig->call_convention == MONO_CALL_VARARG)
5560 csig->call_convention = 0;
5562 res = mono_mb_create_method (mb, csig, csig->param_count + 16);
5569 MonoMethodBuilder *mb;
5570 MonoMethodSignature *sig;
5571 MonoMethodPInvoke *piinfo;
5572 int *orig_conv_args; /* Locals containing the original values of byref args */
5574 MonoClass *retobj_class;
5575 MonoMethodSignature *csig; /* Might need to be changed due to MarshalAs directives */
5576 MonoImage *image; /* The image to use for looking up custom marshallers */
5577 } EmitMarshalContext;
5581 * This is invoked to convert arguments from the current types to
5582 * the underlying types expected by the platform routine. If required,
5583 * the methods create a temporary variable with the proper type, and return
5584 * the location for it (either the passed argument, or the newly allocated
5587 MARSHAL_ACTION_CONV_IN,
5590 * This operation is called to push the actual value that was optionally
5591 * converted on the first stage
5593 MARSHAL_ACTION_PUSH,
5596 * Convert byref arguments back or free resources allocated during the
5599 MARSHAL_ACTION_CONV_OUT,
5602 * The result from the unmanaged call is at the top of the stack when
5603 * this action is invoked. The result should be stored in the
5604 * third local variable slot.
5606 MARSHAL_ACTION_CONV_RESULT,
5608 MARSHAL_ACTION_MANAGED_CONV_IN,
5609 MARSHAL_ACTION_MANAGED_CONV_OUT,
5610 MARSHAL_ACTION_MANAGED_CONV_RESULT
5614 emit_marshal_custom (EmitMarshalContext *m, int argnum, MonoType *t,
5615 MonoMarshalSpec *spec,
5616 int conv_arg, MonoType **conv_arg_type,
5617 MarshalAction action)
5621 static MonoClass *ICustomMarshaler = NULL;
5622 static MonoMethod *cleanup_native, *cleanup_managed;
5623 static MonoMethod *marshal_managed_to_native, *marshal_native_to_managed;
5624 MonoMethod *get_instance;
5625 MonoMethodBuilder *mb = m->mb;
5626 char *exception_msg = NULL;
5630 if (!ICustomMarshaler) {
5631 ICustomMarshaler = mono_class_from_name (mono_defaults.corlib, "System.Runtime.InteropServices", "ICustomMarshaler");
5632 g_assert (ICustomMarshaler);
5634 cleanup_native = mono_class_get_method_from_name (ICustomMarshaler, "CleanUpNativeData", 1);
5635 g_assert (cleanup_native);
5636 cleanup_managed = mono_class_get_method_from_name (ICustomMarshaler, "CleanUpManagedData", 1);
5637 g_assert (cleanup_managed);
5638 marshal_managed_to_native = mono_class_get_method_from_name (ICustomMarshaler, "MarshalManagedToNative", 1);
5639 g_assert (marshal_managed_to_native);
5640 marshal_native_to_managed = mono_class_get_method_from_name (ICustomMarshaler, "MarshalNativeToManaged", 1);
5641 g_assert (marshal_native_to_managed);
5644 mtype = mono_reflection_type_from_name (spec->data.custom_data.custom_name, m->image);
5645 g_assert (mtype != NULL);
5646 mklass = mono_class_from_mono_type (mtype);
5647 g_assert (mklass != NULL);
5649 if (!mono_class_is_assignable_from (ICustomMarshaler, mklass))
5650 exception_msg = g_strdup_printf ("Custom marshaler '%s' does not implement the ICustomMarshaler interface.", mklass->name);
5652 get_instance = mono_class_get_method_from_name_flags (mklass, "GetInstance", 1, METHOD_ATTRIBUTE_STATIC);
5654 MonoMethodSignature *get_sig = mono_method_signature (get_instance);
5655 if ((get_sig->ret->type != MONO_TYPE_CLASS) ||
5656 (mono_class_from_mono_type (get_sig->ret) != ICustomMarshaler) ||
5657 (get_sig->params [0]->type != MONO_TYPE_STRING))
5658 get_instance = NULL;
5662 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);
5664 /* Throw exception and emit compensation code if neccesary */
5665 if (exception_msg) {
5667 case MARSHAL_ACTION_CONV_IN:
5668 case MARSHAL_ACTION_CONV_RESULT:
5669 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
5670 if ((action == MARSHAL_ACTION_CONV_RESULT) || (action == MARSHAL_ACTION_MANAGED_CONV_RESULT))
5671 mono_mb_emit_byte (mb, CEE_POP);
5673 mono_mb_emit_exception_full (mb, "System", "ApplicationException", exception_msg);
5674 g_free (exception_msg);
5677 case MARSHAL_ACTION_PUSH:
5678 mono_mb_emit_byte (mb, CEE_LDNULL);
5686 /* FIXME: MS.NET seems to create one instance for each klass + cookie pair */
5687 /* FIXME: MS.NET throws an exception if GetInstance returns null */
5690 case MARSHAL_ACTION_CONV_IN:
5692 case MONO_TYPE_CLASS:
5693 case MONO_TYPE_OBJECT:
5694 case MONO_TYPE_STRING:
5695 case MONO_TYPE_ARRAY:
5696 case MONO_TYPE_SZARRAY:
5697 case MONO_TYPE_VALUETYPE:
5701 g_warning ("custom marshalling of type %x is currently not supported", t->type);
5702 g_assert_not_reached ();
5706 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5708 mono_mb_emit_byte (mb, CEE_LDNULL);
5709 mono_mb_emit_stloc (mb, conv_arg);
5711 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT))
5714 /* Minic MS.NET behavior */
5715 if (!t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT) && !(t->attrs & PARAM_ATTRIBUTE_IN))
5718 /* Check for null */
5719 mono_mb_emit_ldarg (mb, argnum);
5721 mono_mb_emit_byte (mb, CEE_LDIND_I);
5722 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5724 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5726 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5728 mono_mb_emit_ldarg (mb, argnum);
5730 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5732 if (t->type == MONO_TYPE_VALUETYPE) {
5734 * Since we can't determine the type of the argument, we
5735 * will assume the unmanaged function takes a pointer.
5737 *conv_arg_type = &mono_defaults.int_class->byval_arg;
5739 mono_mb_emit_op (mb, CEE_BOX, mono_class_from_mono_type (t));
5742 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_managed_to_native);
5743 mono_mb_emit_stloc (mb, conv_arg);
5745 mono_mb_patch_branch (mb, pos2);
5748 case MARSHAL_ACTION_CONV_OUT:
5749 /* Check for null */
5750 mono_mb_emit_ldloc (mb, conv_arg);
5751 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5754 mono_mb_emit_ldarg (mb, argnum);
5756 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5758 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5760 mono_mb_emit_ldloc (mb, conv_arg);
5761 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
5762 mono_mb_emit_byte (mb, CEE_STIND_REF);
5763 } else if (t->attrs &PARAM_ATTRIBUTE_OUT) {
5764 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5766 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5768 mono_mb_emit_ldloc (mb, conv_arg);
5769 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
5771 /* We have nowhere to store the result */
5772 mono_mb_emit_byte (mb, CEE_POP);
5775 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5777 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5779 mono_mb_emit_ldloc (mb, conv_arg);
5781 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_native);
5783 mono_mb_patch_branch (mb, pos2);
5786 case MARSHAL_ACTION_PUSH:
5788 mono_mb_emit_ldloc_addr (mb, conv_arg);
5790 mono_mb_emit_ldloc (mb, conv_arg);
5793 case MARSHAL_ACTION_CONV_RESULT:
5794 loc1 = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5796 mono_mb_emit_stloc (mb, 3);
5798 mono_mb_emit_ldloc (mb, 3);
5799 mono_mb_emit_stloc (mb, loc1);
5801 /* Check for null */
5802 mono_mb_emit_ldloc (mb, 3);
5803 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5805 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5807 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5808 mono_mb_emit_byte (mb, CEE_DUP);
5810 mono_mb_emit_ldloc (mb, 3);
5811 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
5812 mono_mb_emit_stloc (mb, 3);
5814 mono_mb_emit_ldloc (mb, loc1);
5815 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_native);
5817 mono_mb_patch_branch (mb, pos2);
5820 case MARSHAL_ACTION_MANAGED_CONV_IN:
5821 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
5823 mono_mb_emit_byte (mb, CEE_LDNULL);
5824 mono_mb_emit_stloc (mb, conv_arg);
5826 /* Check for null */
5827 mono_mb_emit_ldarg (mb, argnum);
5829 mono_mb_emit_byte (mb, CEE_LDIND_I);
5830 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5832 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5833 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5835 mono_mb_emit_ldarg (mb, argnum);
5837 mono_mb_emit_byte (mb, CEE_LDIND_I);
5839 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
5840 mono_mb_emit_stloc (mb, conv_arg);
5842 mono_mb_patch_branch (mb, pos2);
5845 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
5846 g_assert (!t->byref);
5848 loc1 = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
5850 mono_mb_emit_stloc (mb, 3);
5852 mono_mb_emit_ldloc (mb, 3);
5853 mono_mb_emit_stloc (mb, loc1);
5855 /* Check for null */
5856 mono_mb_emit_ldloc (mb, 3);
5857 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5859 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5860 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5861 mono_mb_emit_byte (mb, CEE_DUP);
5863 mono_mb_emit_ldloc (mb, 3);
5864 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_managed_to_native);
5865 mono_mb_emit_stloc (mb, 3);
5867 mono_mb_emit_ldloc (mb, loc1);
5868 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_managed);
5870 mono_mb_patch_branch (mb, pos2);
5873 case MARSHAL_ACTION_MANAGED_CONV_OUT:
5875 /* Check for null */
5876 mono_mb_emit_ldloc (mb, conv_arg);
5877 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5880 mono_mb_emit_ldarg (mb, argnum);
5882 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5884 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5886 mono_mb_emit_ldloc (mb, conv_arg);
5887 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_managed_to_native);
5888 mono_mb_emit_byte (mb, CEE_STIND_I);
5891 /* Call CleanUpManagedData */
5892 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5894 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5896 mono_mb_emit_ldloc (mb, conv_arg);
5897 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_managed);
5899 mono_mb_patch_branch (mb, pos2);
5903 g_assert_not_reached ();
5910 emit_marshal_asany (EmitMarshalContext *m, int argnum, MonoType *t,
5911 MonoMarshalSpec *spec,
5912 int conv_arg, MonoType **conv_arg_type,
5913 MarshalAction action)
5915 MonoMethodBuilder *mb = m->mb;
5918 case MARSHAL_ACTION_CONV_IN: {
5919 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, NULL);
5921 g_assert (t->type == MONO_TYPE_OBJECT);
5922 g_assert (!t->byref);
5924 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5925 mono_mb_emit_ldarg (mb, argnum);
5926 mono_mb_emit_icon (mb, encoding);
5927 mono_mb_emit_icon (mb, t->attrs);
5928 mono_mb_emit_icall (mb, mono_marshal_asany);
5929 mono_mb_emit_stloc (mb, conv_arg);
5933 case MARSHAL_ACTION_PUSH:
5934 mono_mb_emit_ldloc (mb, conv_arg);
5937 case MARSHAL_ACTION_CONV_OUT: {
5938 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, NULL);
5940 mono_mb_emit_ldarg (mb, argnum);
5941 mono_mb_emit_ldloc (mb, conv_arg);
5942 mono_mb_emit_icon (mb, encoding);
5943 mono_mb_emit_icon (mb, t->attrs);
5944 mono_mb_emit_icall (mb, mono_marshal_free_asany);
5949 g_assert_not_reached ();
5956 emit_marshal_vtype (EmitMarshalContext *m, int argnum, MonoType *t,
5957 MonoMarshalSpec *spec,
5958 int conv_arg, MonoType **conv_arg_type,
5959 MarshalAction action)
5961 MonoMethodBuilder *mb = m->mb;
5965 klass = t->data.klass;
5968 case MARSHAL_ACTION_CONV_IN:
5969 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
5970 klass->blittable || klass->enumtype)
5973 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5975 /* store the address of the source into local variable 0 */
5977 mono_mb_emit_ldarg (mb, argnum);
5979 mono_mb_emit_ldarg_addr (mb, argnum);
5981 mono_mb_emit_stloc (mb, 0);
5983 /* allocate space for the native struct and
5984 * store the address into local variable 1 (dest) */
5985 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
5986 mono_mb_emit_byte (mb, CEE_PREFIX1);
5987 mono_mb_emit_byte (mb, CEE_LOCALLOC);
5988 mono_mb_emit_stloc (mb, conv_arg);
5991 mono_mb_emit_ldloc (mb, 0);
5992 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
5995 if (!(t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && (t->attrs & PARAM_ATTRIBUTE_OUT))) {
5997 mono_mb_emit_ldloc (mb, conv_arg);
5998 mono_mb_emit_stloc (mb, 1);
6000 /* emit valuetype conversion code */
6001 emit_struct_conv (mb, klass, FALSE);
6005 mono_mb_patch_branch (mb, pos);
6008 case MARSHAL_ACTION_PUSH:
6009 if (spec && spec->native == MONO_NATIVE_LPSTRUCT) {
6011 g_assert (!t->byref);
6013 /* Have to change the signature since the vtype is passed byref */
6014 m->csig->params [argnum - m->csig->hasthis] = &mono_defaults.int_class->byval_arg;
6016 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6017 klass->blittable || klass->enumtype)
6018 mono_mb_emit_ldarg_addr (mb, argnum);
6020 mono_mb_emit_ldloc (mb, conv_arg);
6024 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6025 klass->blittable || klass->enumtype) {
6026 mono_mb_emit_ldarg (mb, argnum);
6029 mono_mb_emit_ldloc (mb, conv_arg);
6031 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6032 mono_mb_emit_op (mb, CEE_MONO_LDNATIVEOBJ, klass);
6036 case MARSHAL_ACTION_CONV_OUT:
6037 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6038 klass->blittable || klass->enumtype)
6042 /* dst = argument */
6043 mono_mb_emit_ldarg (mb, argnum);
6044 mono_mb_emit_stloc (mb, 1);
6046 mono_mb_emit_ldloc (mb, 1);
6047 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6049 if (!((t->attrs & PARAM_ATTRIBUTE_IN) && !(t->attrs & PARAM_ATTRIBUTE_OUT))) {
6050 /* src = tmp_locals [i] */
6051 mono_mb_emit_ldloc (mb, conv_arg);
6052 mono_mb_emit_stloc (mb, 0);
6054 /* emit valuetype conversion code */
6055 emit_struct_conv (mb, klass, TRUE);
6059 emit_struct_free (mb, klass, conv_arg);
6062 mono_mb_patch_branch (mb, pos);
6065 case MARSHAL_ACTION_CONV_RESULT:
6066 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6068 mono_mb_emit_stloc (mb, 3);
6071 /* load pointer to returned value type */
6072 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6073 mono_mb_emit_byte (mb, CEE_MONO_VTADDR);
6074 /* store the address of the source into local variable 0 */
6075 mono_mb_emit_stloc (mb, 0);
6077 mono_mb_emit_ldloc_addr (mb, 3);
6078 mono_mb_emit_stloc (mb, 1);
6080 /* emit valuetype conversion code */
6081 emit_struct_conv (mb, klass, TRUE);
6084 case MARSHAL_ACTION_MANAGED_CONV_IN:
6085 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6086 klass->blittable || klass->enumtype) {
6091 conv_arg = mono_mb_add_local (mb, &klass->byval_arg);
6093 if (t->attrs & PARAM_ATTRIBUTE_OUT)
6097 mono_mb_emit_ldarg (mb, argnum);
6099 mono_mb_emit_ldarg_addr (mb, argnum);
6100 mono_mb_emit_stloc (mb, 0);
6103 mono_mb_emit_ldloc (mb, 0);
6104 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6107 mono_mb_emit_ldloc_addr (mb, conv_arg);
6108 mono_mb_emit_stloc (mb, 1);
6110 /* emit valuetype conversion code */
6111 emit_struct_conv (mb, klass, TRUE);
6114 mono_mb_patch_branch (mb, pos);
6117 case MARSHAL_ACTION_MANAGED_CONV_OUT:
6118 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6119 klass->blittable || klass->enumtype) {
6123 /* Check for null */
6124 mono_mb_emit_ldarg (mb, argnum);
6125 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6128 mono_mb_emit_ldloc_addr (mb, conv_arg);
6129 mono_mb_emit_stloc (mb, 0);
6132 mono_mb_emit_ldarg (mb, argnum);
6133 mono_mb_emit_stloc (mb, 1);
6135 /* emit valuetype conversion code */
6136 emit_struct_conv (mb, klass, FALSE);
6138 mono_mb_patch_branch (mb, pos2);
6141 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
6142 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6143 klass->blittable || klass->enumtype) {
6144 mono_mb_emit_stloc (mb, 3);
6149 /* load pointer to returned value type */
6150 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6151 mono_mb_emit_byte (mb, CEE_MONO_VTADDR);
6153 /* store the address of the source into local variable 0 */
6154 mono_mb_emit_stloc (mb, 0);
6155 /* allocate space for the native struct and
6156 * store the address into dst_ptr */
6157 m->retobj_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6158 m->retobj_class = klass;
6159 g_assert (m->retobj_var);
6160 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
6161 mono_mb_emit_byte (mb, CEE_CONV_I);
6162 mono_mb_emit_icall (mb, mono_marshal_alloc);
6163 mono_mb_emit_stloc (mb, 1);
6164 mono_mb_emit_ldloc (mb, 1);
6165 mono_mb_emit_stloc (mb, m->retobj_var);
6167 /* emit valuetype conversion code */
6168 emit_struct_conv (mb, klass, FALSE);
6172 g_assert_not_reached ();
6179 emit_marshal_string (EmitMarshalContext *m, int argnum, MonoType *t,
6180 MonoMarshalSpec *spec,
6181 int conv_arg, MonoType **conv_arg_type,
6182 MarshalAction action)
6184 MonoMethodBuilder *mb = m->mb;
6185 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
6186 MonoMarshalConv conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
6190 case MARSHAL_ACTION_CONV_IN:
6191 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6192 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6195 if (t->attrs & PARAM_ATTRIBUTE_OUT)
6198 mono_mb_emit_ldarg (mb, argnum);
6199 mono_mb_emit_byte (mb, CEE_LDIND_I);
6201 mono_mb_emit_ldarg (mb, argnum);
6205 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
6206 MonoException *exc = mono_get_exception_not_implemented (msg);
6209 mono_raise_exception (exc);
6212 mono_mb_emit_icall (mb, conv_to_icall (conv));
6214 mono_mb_emit_stloc (mb, conv_arg);
6217 case MARSHAL_ACTION_CONV_OUT:
6218 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT)) {
6219 mono_mb_emit_ldarg (mb, argnum);
6220 mono_mb_emit_ldloc (mb, conv_arg);
6221 if (conv == MONO_MARSHAL_CONV_STR_BSTR) {
6222 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_BSTR_STR));
6223 // BSTRs always need freed
6224 mono_mb_emit_ldloc (mb, conv_arg);
6225 mono_mb_emit_icall (mb, mono_free_bstr);
6228 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_LPSTR_STR));
6229 mono_mb_emit_byte (mb, CEE_STIND_REF);
6231 if (mono_marshal_need_free (t, m->piinfo, spec)) {
6232 mono_mb_emit_ldloc (mb, conv_arg);
6233 if (conv == MONO_MARSHAL_CONV_STR_BSTR)
6234 mono_mb_emit_icall (mb, mono_free_bstr);
6236 mono_mb_emit_icall (mb, mono_marshal_free);
6241 case MARSHAL_ACTION_PUSH:
6243 mono_mb_emit_ldloc_addr (mb, conv_arg);
6245 mono_mb_emit_ldloc (mb, conv_arg);
6248 case MARSHAL_ACTION_CONV_RESULT:
6249 mono_mb_emit_stloc (mb, 0);
6251 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
6253 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
6254 mono_mb_emit_exception_marshal_directive (mb, msg);
6258 mono_mb_emit_ldloc (mb, 0);
6259 mono_mb_emit_icall (mb, conv_to_icall (conv));
6260 mono_mb_emit_stloc (mb, 3);
6262 /* free the string */
6263 mono_mb_emit_ldloc (mb, 0);
6264 if (conv == MONO_MARSHAL_CONV_BSTR_STR)
6265 mono_mb_emit_icall (mb, mono_free_bstr);
6267 mono_mb_emit_icall (mb, g_free);
6270 case MARSHAL_ACTION_MANAGED_CONV_IN:
6276 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
6277 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6279 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
6281 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
6282 mono_mb_emit_exception_marshal_directive (mb, msg);
6286 mono_mb_emit_ldarg (mb, argnum);
6287 mono_mb_emit_icall (mb, conv_to_icall (conv));
6288 mono_mb_emit_stloc (mb, conv_arg);
6291 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
6292 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_STR_LPSTR));
6293 mono_mb_emit_stloc (mb, 3);
6297 g_assert_not_reached ();
6304 emit_marshal_safehandle (EmitMarshalContext *m, int argnum, MonoType *t,
6305 MonoMarshalSpec *spec, int conv_arg,
6306 MonoType **conv_arg_type, MarshalAction action)
6308 MonoMethodBuilder *mb = m->mb;
6311 case MARSHAL_ACTION_CONV_IN: {
6312 MonoType *intptr_type;
6313 int dar_release_slot, pos;
6315 intptr_type = &mono_defaults.int_class->byval_arg;
6316 conv_arg = mono_mb_add_local (mb, intptr_type);
6317 *conv_arg_type = intptr_type;
6319 if (!sh_dangerous_add_ref)
6320 init_safe_handle ();
6322 mono_mb_emit_ldarg (mb, argnum);
6323 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
6324 mono_mb_emit_exception (mb, "ArgumentNullException", NULL);
6326 mono_mb_patch_branch (mb, pos);
6329 * My tests in show that ref SafeHandles are not really
6330 * passed as ref objects. Instead a NULL is passed as the
6333 mono_mb_emit_icon (mb, 0);
6334 mono_mb_emit_stloc (mb, conv_arg);
6338 /* Create local to hold the ref parameter to DangerousAddRef */
6339 dar_release_slot = mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
6341 /* set release = false; */
6342 mono_mb_emit_icon (mb, 0);
6343 mono_mb_emit_stloc (mb, dar_release_slot);
6345 /* safehandle.DangerousAddRef (ref release) */
6346 mono_mb_emit_ldarg (mb, argnum);
6347 mono_mb_emit_ldloc_addr (mb, dar_release_slot);
6348 mono_mb_emit_managed_call (mb, sh_dangerous_add_ref, NULL);
6350 /* Pull the handle field from SafeHandle */
6351 mono_mb_emit_ldarg (mb, argnum);
6352 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoSafeHandle, handle));
6353 mono_mb_emit_byte (mb, CEE_LDIND_I);
6354 mono_mb_emit_stloc (mb, conv_arg);
6359 case MARSHAL_ACTION_PUSH:
6361 mono_mb_emit_ldloc_addr (mb, conv_arg);
6363 mono_mb_emit_ldloc (mb, conv_arg);
6366 case MARSHAL_ACTION_CONV_OUT: {
6367 /* The slot for the boolean is the next temporary created after conv_arg, see the CONV_IN code */
6368 int dar_release_slot = conv_arg + 1;
6371 if (!sh_dangerous_release)
6372 init_safe_handle ();
6378 * My tests indicate that ref SafeHandles parameters are not actually
6379 * passed by ref, but instead a new Handle is created regardless of
6380 * whether a change happens in the unmanaged side.
6382 * Also, the Handle is created before calling into unmanaged code,
6383 * but we do not support that mechanism (getting to the original
6384 * handle) and it makes no difference where we create this
6386 ctor = mono_class_get_method_from_name (t->data.klass, ".ctor", 0);
6388 mono_mb_emit_exception (mb, "MissingMethodException", "paramterless constructor required");
6391 /* refval = new SafeHandleDerived ()*/
6392 mono_mb_emit_ldarg (mb, argnum);
6393 mono_mb_emit_op (mb, CEE_NEWOBJ, ctor);
6394 mono_mb_emit_byte (mb, CEE_STIND_REF);
6396 /* refval.handle = returned_handle */
6397 mono_mb_emit_ldarg (mb, argnum);
6398 mono_mb_emit_byte (mb, CEE_LDIND_REF);
6399 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoSafeHandle, handle));
6400 mono_mb_emit_ldloc (mb, conv_arg);
6401 mono_mb_emit_byte (mb, CEE_STIND_I);
6403 mono_mb_emit_ldloc (mb, dar_release_slot);
6404 label_next = mono_mb_emit_branch (mb, CEE_BRFALSE);
6405 mono_mb_emit_ldarg (mb, argnum);
6406 mono_mb_emit_managed_call (mb, sh_dangerous_release, NULL);
6407 mono_mb_patch_addr (mb, label_next, mb->pos - (label_next + 4));
6412 case MARSHAL_ACTION_CONV_RESULT: {
6413 MonoMethod *ctor = NULL;
6414 int intptr_handle_slot;
6416 if (t->data.klass->flags & TYPE_ATTRIBUTE_ABSTRACT){
6417 mono_mb_emit_byte (mb, CEE_POP);
6418 mono_mb_emit_exception_marshal_directive (mb, "Returned SafeHandles should not be abstract");
6422 ctor = mono_class_get_method_from_name (t->data.klass, ".ctor", 0);
6424 mono_mb_emit_byte (mb, CEE_POP);
6425 mono_mb_emit_exception (mb, "MissingMethodException", "paramterless constructor required");
6428 /* Store the IntPtr results into a local */
6429 intptr_handle_slot = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6430 mono_mb_emit_stloc (mb, intptr_handle_slot);
6432 /* Create return value */
6433 mono_mb_emit_op (mb, CEE_NEWOBJ, ctor);
6434 mono_mb_emit_stloc (mb, 3);
6436 /* Set the return.handle to the value, am using ldflda, not sure if thats a good idea */
6437 mono_mb_emit_ldloc (mb, 3);
6438 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoSafeHandle, handle));
6439 mono_mb_emit_ldloc (mb, intptr_handle_slot);
6440 mono_mb_emit_byte (mb, CEE_STIND_I);
6444 case MARSHAL_ACTION_MANAGED_CONV_IN:
6445 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_IN\n");
6448 case MARSHAL_ACTION_MANAGED_CONV_OUT:
6449 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_OUT\n");
6452 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
6453 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_RESULT\n");
6456 printf ("Unhandled case for MarshalAction: %d\n", action);
6463 emit_marshal_handleref (EmitMarshalContext *m, int argnum, MonoType *t,
6464 MonoMarshalSpec *spec, int conv_arg,
6465 MonoType **conv_arg_type, MarshalAction action)
6467 MonoMethodBuilder *mb = m->mb;
6470 case MARSHAL_ACTION_CONV_IN: {
6471 MonoType *intptr_type;
6473 intptr_type = &mono_defaults.int_class->byval_arg;
6474 conv_arg = mono_mb_add_local (mb, intptr_type);
6475 *conv_arg_type = intptr_type;
6478 mono_mb_emit_exception_marshal_directive (mb,
6479 "HandleRefs can not be returned from unmanaged code (or passed by ref)");
6482 mono_mb_emit_ldarg_addr (mb, argnum);
6483 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoHandleRef, handle));
6484 mono_mb_emit_byte (mb, CEE_ADD);
6485 mono_mb_emit_byte (mb, CEE_LDIND_I);
6486 mono_mb_emit_stloc (mb, conv_arg);
6490 case MARSHAL_ACTION_PUSH:
6491 mono_mb_emit_ldloc (mb, conv_arg);
6494 case MARSHAL_ACTION_CONV_OUT: {
6495 /* no resource release required */
6499 case MARSHAL_ACTION_CONV_RESULT: {
6500 mono_mb_emit_exception_marshal_directive (mb,
6501 "HandleRefs can not be returned from unmanaged code (or passed by ref)");
6505 case MARSHAL_ACTION_MANAGED_CONV_IN:
6506 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_IN\n");
6509 case MARSHAL_ACTION_MANAGED_CONV_OUT:
6510 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_OUT\n");
6513 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
6514 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_RESULT\n");
6517 fprintf (stderr, "Unhandled case for MarshalAction: %d\n", action);
6524 emit_marshal_object (EmitMarshalContext *m, int argnum, MonoType *t,
6525 MonoMarshalSpec *spec,
6526 int conv_arg, MonoType **conv_arg_type,
6527 MarshalAction action)
6529 MonoMethodBuilder *mb = m->mb;
6530 MonoClass *klass = t->data.klass;
6533 if (mono_class_from_mono_type (t) == mono_defaults.object_class) {
6534 mono_raise_exception (mono_get_exception_not_implemented ("Marshalling of type object is not implemented"));
6538 case MARSHAL_ACTION_CONV_IN:
6539 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6540 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6542 m->orig_conv_args [argnum] = 0;
6544 if (klass->delegate) {
6545 g_assert (!t->byref);
6546 mono_mb_emit_ldarg (mb, argnum);
6547 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_DEL_FTN));
6548 mono_mb_emit_stloc (mb, conv_arg);
6549 } else if (klass == mono_defaults.stringbuilder_class) {
6550 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
6551 MonoMarshalConv conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
6553 g_assert (!t->byref);
6554 mono_mb_emit_ldarg (mb, argnum);
6557 mono_mb_emit_icall (mb, conv_to_icall (conv));
6559 char *msg = g_strdup_printf ("stringbuilder marshalling conversion %d not implemented", encoding);
6560 MonoException *exc = mono_get_exception_not_implemented (msg);
6563 mono_raise_exception (exc);
6566 mono_mb_emit_stloc (mb, conv_arg);
6567 } else if (klass->blittable) {
6568 mono_mb_emit_byte (mb, CEE_LDNULL);
6569 mono_mb_emit_stloc (mb, conv_arg);
6571 mono_mb_emit_ldarg (mb, argnum);
6572 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6574 mono_mb_emit_ldarg (mb, argnum);
6575 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6576 mono_mb_emit_stloc (mb, conv_arg);
6578 mono_mb_patch_branch (mb, pos);
6581 mono_mb_emit_byte (mb, CEE_LDNULL);
6582 mono_mb_emit_stloc (mb, conv_arg);
6585 /* we dont need any conversions for out parameters */
6586 if (t->attrs & PARAM_ATTRIBUTE_OUT)
6589 mono_mb_emit_ldarg (mb, argnum);
6590 mono_mb_emit_byte (mb, CEE_LDIND_I);
6593 mono_mb_emit_ldarg (mb, argnum);
6594 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6595 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
6598 /* store the address of the source into local variable 0 */
6599 mono_mb_emit_stloc (mb, 0);
6600 mono_mb_emit_ldloc (mb, 0);
6601 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6603 /* allocate space for the native struct and store the address */
6604 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
6605 mono_mb_emit_byte (mb, CEE_PREFIX1);
6606 mono_mb_emit_byte (mb, CEE_LOCALLOC);
6607 mono_mb_emit_stloc (mb, conv_arg);
6610 /* Need to store the original buffer so we can free it later */
6611 m->orig_conv_args [argnum] = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6612 mono_mb_emit_ldloc (mb, conv_arg);
6613 mono_mb_emit_stloc (mb, m->orig_conv_args [argnum]);
6616 /* set the src_ptr */
6617 mono_mb_emit_ldloc (mb, 0);
6618 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6619 mono_mb_emit_stloc (mb, 0);
6622 mono_mb_emit_ldloc (mb, conv_arg);
6623 mono_mb_emit_stloc (mb, 1);
6625 /* emit valuetype conversion code */
6626 emit_struct_conv (mb, klass, FALSE);
6628 mono_mb_patch_branch (mb, pos);
6632 case MARSHAL_ACTION_CONV_OUT:
6633 if (klass == mono_defaults.stringbuilder_class) {
6635 MonoMarshalNative encoding;
6636 MonoMarshalConv conv;
6638 encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
6639 conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free);
6641 g_assert (!t->byref);
6642 g_assert (encoding != -1);
6644 mono_mb_emit_ldarg (mb, argnum);
6645 mono_mb_emit_ldloc (mb, conv_arg);
6647 mono_mb_emit_icall (mb, conv_to_icall (conv));
6650 mono_mb_emit_ldloc (mb, conv_arg);
6651 mono_mb_emit_icall (mb, mono_marshal_free);
6656 if (klass->delegate)
6659 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT)) {
6660 /* allocate a new object */
6661 mono_mb_emit_ldarg (mb, argnum);
6662 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6663 mono_mb_emit_op (mb, CEE_MONO_NEWOBJ, t->data.klass);
6664 mono_mb_emit_byte (mb, CEE_STIND_REF);
6667 /* dst = *argument */
6668 mono_mb_emit_ldarg (mb, argnum);
6671 mono_mb_emit_byte (mb, CEE_LDIND_I);
6673 mono_mb_emit_stloc (mb, 1);
6675 mono_mb_emit_ldloc (mb, 1);
6676 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6678 if (t->byref || (t->attrs & PARAM_ATTRIBUTE_OUT)) {
6679 mono_mb_emit_ldloc (mb, 1);
6680 mono_mb_emit_icon (mb, sizeof (MonoObject));
6681 mono_mb_emit_byte (mb, CEE_ADD);
6682 mono_mb_emit_stloc (mb, 1);
6684 /* src = tmp_locals [i] */
6685 mono_mb_emit_ldloc (mb, conv_arg);
6686 mono_mb_emit_stloc (mb, 0);
6688 /* emit valuetype conversion code */
6689 emit_struct_conv (mb, t->data.klass, TRUE);
6691 /* Free the structure returned by the native code */
6692 emit_struct_free (mb, klass, conv_arg);
6694 if (m->orig_conv_args [argnum]) {
6696 * If the native function changed the pointer, then free
6697 * the original structure plus the new pointer.
6699 mono_mb_emit_ldloc (mb, m->orig_conv_args [argnum]);
6700 mono_mb_emit_ldloc (mb, conv_arg);
6701 pos2 = mono_mb_emit_branch (mb, CEE_BEQ);
6703 if (!(t->attrs & PARAM_ATTRIBUTE_OUT)) {
6704 g_assert (m->orig_conv_args [argnum]);
6706 emit_struct_free (mb, klass, m->orig_conv_args [argnum]);
6709 mono_mb_emit_ldloc (mb, conv_arg);
6710 mono_mb_emit_icall (mb, g_free);
6712 mono_mb_patch_branch (mb, pos2);
6716 /* Free the original structure passed to native code */
6717 emit_struct_free (mb, klass, conv_arg);
6719 mono_mb_patch_branch (mb, pos);
6722 case MARSHAL_ACTION_PUSH:
6724 mono_mb_emit_ldloc_addr (mb, conv_arg);
6726 mono_mb_emit_ldloc (mb, conv_arg);
6729 case MARSHAL_ACTION_CONV_RESULT:
6730 if (klass->delegate) {
6731 g_assert (!t->byref);
6732 mono_mb_emit_stloc (mb, 0);
6733 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6734 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
6735 mono_mb_emit_ldloc (mb, 0);
6736 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_FTN_DEL));
6737 mono_mb_emit_stloc (mb, 3);
6740 mono_mb_emit_stloc (mb, 0);
6742 /* Make a copy since emit_conv modifies local 0 */
6743 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6744 mono_mb_emit_ldloc (mb, 0);
6745 mono_mb_emit_stloc (mb, loc);
6747 mono_mb_emit_byte (mb, CEE_LDNULL);
6748 mono_mb_emit_stloc (mb, 3);
6750 mono_mb_emit_ldloc (mb, 0);
6751 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6753 /* allocate result object */
6755 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6756 mono_mb_emit_op (mb, CEE_MONO_NEWOBJ, klass);
6757 mono_mb_emit_stloc (mb, 3);
6761 mono_mb_emit_ldloc (mb, 3);
6762 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6763 mono_mb_emit_stloc (mb, 1);
6765 /* emit conversion code */
6766 emit_struct_conv (mb, klass, TRUE);
6768 emit_struct_free (mb, klass, loc);
6770 /* Free the pointer allocated by unmanaged code */
6771 mono_mb_emit_ldloc (mb, loc);
6772 mono_mb_emit_icall (mb, g_free);
6773 mono_mb_patch_branch (mb, pos);
6777 case MARSHAL_ACTION_MANAGED_CONV_IN:
6778 conv_arg = mono_mb_add_local (mb, &klass->byval_arg);
6780 if (klass->delegate) {
6781 g_assert (!t->byref);
6782 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6783 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
6784 mono_mb_emit_ldarg (mb, argnum);
6785 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_FTN_DEL));
6786 mono_mb_emit_stloc (mb, conv_arg);
6790 /* The class can not have an automatic layout */
6791 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
6792 mono_mb_emit_auto_layout_exception (mb, klass);
6796 if (t->attrs & PARAM_ATTRIBUTE_OUT) {
6797 mono_mb_emit_byte (mb, CEE_LDNULL);
6798 mono_mb_emit_stloc (mb, conv_arg);
6803 mono_mb_emit_ldarg (mb, argnum);
6807 /* Check for NULL and raise an exception */
6808 pos2 = mono_mb_emit_branch (mb, CEE_BRTRUE);
6810 mono_mb_emit_exception (mb, "ArgumentNullException", NULL);
6812 mono_mb_patch_branch (mb, pos2);
6813 mono_mb_emit_ldarg (mb, argnum);
6814 mono_mb_emit_byte (mb, CEE_LDIND_I);
6817 mono_mb_emit_stloc (mb, 0);
6819 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
6820 mono_mb_emit_stloc (mb, conv_arg);
6822 mono_mb_emit_ldloc (mb, 0);
6823 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6825 /* Create and set dst */
6826 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6827 mono_mb_emit_op (mb, CEE_MONO_NEWOBJ, klass);
6828 mono_mb_emit_stloc (mb, conv_arg);
6829 mono_mb_emit_ldloc (mb, conv_arg);
6830 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6831 mono_mb_emit_stloc (mb, 1);
6833 /* emit valuetype conversion code */
6834 emit_struct_conv (mb, klass, TRUE);
6836 mono_mb_patch_branch (mb, pos);
6839 case MARSHAL_ACTION_MANAGED_CONV_OUT:
6841 /* Check for null */
6842 mono_mb_emit_ldloc (mb, conv_arg);
6843 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
6844 mono_mb_emit_ldarg (mb, argnum);
6845 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
6846 mono_mb_emit_byte (mb, CEE_STIND_REF);
6847 pos2 = mono_mb_emit_branch (mb, CEE_BR);
6849 mono_mb_patch_branch (mb, pos);
6852 mono_mb_emit_ldloc (mb, conv_arg);
6853 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6854 mono_mb_emit_stloc (mb, 0);
6856 /* Allocate and set dest */
6857 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
6858 mono_mb_emit_byte (mb, CEE_CONV_I);
6859 mono_mb_emit_icall (mb, mono_marshal_alloc);
6860 mono_mb_emit_stloc (mb, 1);
6862 /* Update argument pointer */
6863 mono_mb_emit_ldarg (mb, argnum);
6864 mono_mb_emit_ldloc (mb, 1);
6865 mono_mb_emit_byte (mb, CEE_STIND_I);
6867 /* emit valuetype conversion code */
6868 emit_struct_conv (mb, klass, FALSE);
6870 mono_mb_patch_branch (mb, pos2);
6872 /* byval [Out] marshalling */
6874 /* FIXME: Handle null */
6877 mono_mb_emit_ldloc (mb, conv_arg);
6878 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6879 mono_mb_emit_stloc (mb, 0);
6882 mono_mb_emit_ldarg (mb, argnum);
6883 mono_mb_emit_stloc (mb, 1);
6885 /* emit valuetype conversion code */
6886 emit_struct_conv (mb, klass, FALSE);
6890 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
6891 if (klass->delegate) {
6892 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_DEL_FTN));
6893 mono_mb_emit_stloc (mb, 3);
6897 /* The class can not have an automatic layout */
6898 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
6899 mono_mb_emit_auto_layout_exception (mb, klass);
6903 mono_mb_emit_stloc (mb, 0);
6904 /* Check for null */
6905 mono_mb_emit_ldloc (mb, 0);
6906 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
6907 mono_mb_emit_byte (mb, CEE_LDNULL);
6908 mono_mb_emit_stloc (mb, 3);
6909 pos2 = mono_mb_emit_branch (mb, CEE_BR);
6911 mono_mb_patch_branch (mb, pos);
6914 mono_mb_emit_ldloc (mb, 0);
6915 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6916 mono_mb_emit_stloc (mb, 0);
6918 /* Allocate and set dest */
6919 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
6920 mono_mb_emit_byte (mb, CEE_CONV_I);
6921 mono_mb_emit_icall (mb, mono_marshal_alloc);
6922 mono_mb_emit_byte (mb, CEE_DUP);
6923 mono_mb_emit_stloc (mb, 1);
6924 mono_mb_emit_stloc (mb, 3);
6926 emit_struct_conv (mb, klass, FALSE);
6928 mono_mb_patch_branch (mb, pos2);
6932 g_assert_not_reached ();
6939 emit_marshal_com_interface (EmitMarshalContext *m, int argnum, MonoType *t,
6940 MonoMarshalSpec *spec,
6941 int conv_arg, MonoType **conv_arg_type,
6942 MarshalAction action)
6944 MonoMethodBuilder *mb = m->mb;
6945 MonoClass *klass = t->data.klass;
6946 static MonoMethod* get_object_for_iunknown = NULL;
6947 static MonoMethod* get_iunknown_for_object_internal = NULL;
6948 static MonoMethod* get_com_interface_for_object_internal = NULL;
6949 static MonoMethod* get_idispatch_for_object_internal = NULL;
6950 if (!get_object_for_iunknown)
6951 get_object_for_iunknown = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetObjectForIUnknown", 1);
6952 if (!get_iunknown_for_object_internal)
6953 get_iunknown_for_object_internal = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetIUnknownForObjectInternal", 1);
6954 if (!get_idispatch_for_object_internal)
6955 get_idispatch_for_object_internal = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetIDispatchForObjectInternal", 1);
6956 if (!get_com_interface_for_object_internal)
6957 get_com_interface_for_object_internal = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetComInterfaceForObjectInternal", 2);
6959 /* COM types are initialized lazily */
6960 mono_init_com_types ();
6963 case MARSHAL_ACTION_CONV_IN: {
6964 guint32 pos_null = 0;
6966 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6967 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6969 mono_mb_emit_ptr (mb, NULL);
6970 mono_mb_emit_stloc (mb, conv_arg);
6972 /* we dont need any conversions for out parameters */
6973 if (t->byref && t->attrs & PARAM_ATTRIBUTE_OUT)
6976 mono_mb_emit_ldarg (mb, argnum);
6978 mono_mb_emit_byte (mb, CEE_LDIND_REF);
6979 /* if null just break, conv arg was already inited to 0 */
6980 pos_null = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
6982 mono_mb_emit_ldarg (mb, argnum);
6984 mono_mb_emit_byte (mb, CEE_LDIND_REF);
6986 if (klass && klass != mono_defaults.object_class) {
6987 mono_mb_emit_ptr (mb, t);
6988 mono_mb_emit_icall (mb, type_from_handle);
6989 mono_mb_emit_managed_call (mb, get_com_interface_for_object_internal, NULL);
6991 else if (spec->native == MONO_NATIVE_IUNKNOWN)
6992 mono_mb_emit_managed_call (mb, get_iunknown_for_object_internal, NULL);
6993 else if (spec->native == MONO_NATIVE_IDISPATCH)
6994 mono_mb_emit_managed_call (mb, get_idispatch_for_object_internal, NULL);
6995 else if (!klass && spec->native == MONO_NATIVE_INTERFACE)
6996 mono_mb_emit_managed_call (mb, get_iunknown_for_object_internal, NULL);
6998 g_assert_not_reached ();
6999 mono_mb_emit_stloc (mb, conv_arg);
7000 mono_mb_patch_short_branch (mb, pos_null);
7004 case MARSHAL_ACTION_CONV_OUT: {
7005 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT)) {
7007 guint32 pos_null = 0, pos_ccw = 0, pos_end = 0;
7008 ccw_obj = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
7010 mono_mb_emit_ldarg (mb, argnum);
7011 mono_mb_emit_byte (mb, CEE_LDNULL);
7012 mono_mb_emit_byte (mb, CEE_STIND_REF);
7014 mono_mb_emit_ldloc (mb, conv_arg);
7015 pos_null = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
7017 mono_mb_emit_ldloc (mb, conv_arg);
7018 mono_mb_emit_icon (mb, TRUE);
7019 mono_mb_emit_icall (mb, cominterop_get_ccw_object);
7020 mono_mb_emit_stloc (mb, ccw_obj);
7021 mono_mb_emit_ldloc (mb, ccw_obj);
7022 pos_ccw = mono_mb_emit_short_branch (mb, CEE_BRTRUE_S);
7024 mono_mb_emit_ldarg (mb, argnum);
7025 mono_mb_emit_ldloc (mb, conv_arg);
7026 mono_mb_emit_managed_call (mb, get_object_for_iunknown, NULL);
7028 if (klass && klass != mono_defaults.object_class)
7029 mono_mb_emit_op (mb, CEE_CASTCLASS, klass);
7030 mono_mb_emit_byte (mb, CEE_STIND_REF);
7031 pos_end = mono_mb_emit_short_branch (mb, CEE_BR_S);
7033 /* is already managed object */
7034 mono_mb_patch_short_branch (mb, pos_ccw);
7035 mono_mb_emit_ldarg (mb, argnum);
7036 mono_mb_emit_ldloc (mb, ccw_obj);
7038 if (klass && klass != mono_defaults.object_class)
7039 mono_mb_emit_op (mb, CEE_CASTCLASS, klass);
7040 mono_mb_emit_byte (mb, CEE_STIND_REF);
7043 mono_mb_patch_short_branch (mb, pos_end);
7045 mono_mb_patch_short_branch (mb, pos_null);
7049 case MARSHAL_ACTION_PUSH:
7051 mono_mb_emit_ldloc_addr (mb, conv_arg);
7053 mono_mb_emit_ldloc (mb, conv_arg);
7056 case MARSHAL_ACTION_CONV_RESULT: {
7057 char *msg = g_strdup ("Marshalling of COM Objects is not yet implemented.");
7058 mono_mb_emit_exception_marshal_directive (mb, msg);
7062 case MARSHAL_ACTION_MANAGED_CONV_IN: {
7064 guint32 pos_null = 0, pos_ccw = 0, pos_end = 0;
7065 ccw_obj = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
7067 klass = mono_class_from_mono_type (t);
7068 conv_arg = mono_mb_add_local (mb, &klass->byval_arg);
7069 *conv_arg_type = &mono_defaults.int_class->byval_arg;
7071 mono_mb_emit_byte (mb, CEE_LDNULL);
7072 mono_mb_emit_stloc (mb, conv_arg);
7073 if (t->attrs & PARAM_ATTRIBUTE_OUT)
7076 mono_mb_emit_ldarg (mb, argnum);
7078 mono_mb_emit_byte (mb, CEE_LDIND_REF);
7079 pos_null = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
7081 mono_mb_emit_ldarg (mb, argnum);
7083 mono_mb_emit_byte (mb, CEE_LDIND_REF);
7084 mono_mb_emit_icon (mb, TRUE);
7085 mono_mb_emit_icall (mb, cominterop_get_ccw_object);
7086 mono_mb_emit_stloc (mb, ccw_obj);
7087 mono_mb_emit_ldloc (mb, ccw_obj);
7088 pos_ccw = mono_mb_emit_short_branch (mb, CEE_BRTRUE_S);
7091 mono_mb_emit_ldarg (mb, argnum);
7093 mono_mb_emit_byte (mb, CEE_LDIND_REF);
7094 mono_mb_emit_managed_call (mb, get_object_for_iunknown, NULL);
7096 if (klass && klass != mono_defaults.object_class)
7097 mono_mb_emit_op (mb, CEE_CASTCLASS, klass);
7098 mono_mb_emit_stloc (mb, conv_arg);
7099 pos_end = mono_mb_emit_short_branch (mb, CEE_BR_S);
7101 /* is already managed object */
7102 mono_mb_patch_short_branch (mb, pos_ccw);
7103 mono_mb_emit_ldloc (mb, ccw_obj);
7104 if (klass && klass != mono_defaults.object_class)
7105 mono_mb_emit_op (mb, CEE_CASTCLASS, klass);
7106 mono_mb_emit_stloc (mb, conv_arg);
7108 mono_mb_patch_short_branch (mb, pos_end);
7110 mono_mb_patch_short_branch (mb, pos_null);
7114 case MARSHAL_ACTION_MANAGED_CONV_OUT: {
7115 if (t->byref && t->attrs & PARAM_ATTRIBUTE_OUT) {
7116 static MonoMethod* AddRef = NULL;
7117 guint32 pos_null = 0;
7120 AddRef = mono_class_get_method_from_name (mono_defaults.marshal_class, "AddRef", 1);
7122 mono_mb_emit_ldloc (mb, conv_arg);
7123 /* if null just break, conv arg was already inited to 0 */
7124 pos_null = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
7126 /* to store later */
7127 mono_mb_emit_ldarg (mb, argnum);
7128 mono_mb_emit_ldloc (mb, conv_arg);
7129 if (klass && klass != mono_defaults.object_class) {
7130 mono_mb_emit_ptr (mb, t);
7131 mono_mb_emit_icall (mb, type_from_handle);
7132 mono_mb_emit_managed_call (mb, get_com_interface_for_object_internal, NULL);
7134 else if (spec->native == MONO_NATIVE_IUNKNOWN)
7135 mono_mb_emit_managed_call (mb, get_iunknown_for_object_internal, NULL);
7136 else if (spec->native == MONO_NATIVE_IDISPATCH)
7137 mono_mb_emit_managed_call (mb, get_idispatch_for_object_internal, NULL);
7138 else if (!klass && spec->native == MONO_NATIVE_INTERFACE)
7139 mono_mb_emit_managed_call (mb, get_iunknown_for_object_internal, NULL);
7141 g_assert_not_reached ();
7142 mono_mb_emit_byte (mb, CEE_STIND_I);
7144 mono_mb_emit_ldarg (mb, argnum);
7145 mono_mb_emit_byte (mb, CEE_LDIND_I);
7146 mono_mb_emit_managed_call (mb, AddRef, NULL);
7147 mono_mb_emit_byte (mb, CEE_POP);
7149 mono_mb_patch_short_branch (mb, pos_null);
7154 case MARSHAL_ACTION_MANAGED_CONV_RESULT: {
7155 char *msg = g_strdup ("Marshalling of COM Objects is not yet implemented.");
7156 mono_mb_emit_exception_marshal_directive (mb, msg);
7161 g_assert_not_reached ();
7168 emit_marshal_variant (EmitMarshalContext *m, int argnum, MonoType *t,
7169 MonoMarshalSpec *spec,
7170 int conv_arg, MonoType **conv_arg_type,
7171 MarshalAction action)
7173 MonoMethodBuilder *mb = m->mb;
7174 static MonoMethod *get_object_for_native_variant = NULL;
7175 static MonoMethod *get_native_variant_for_object = NULL;
7177 mono_init_com_types ();
7179 if (!get_object_for_native_variant)
7180 get_object_for_native_variant = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetObjectForNativeVariant", 1);
7181 g_assert (get_object_for_native_variant);
7183 if (!get_native_variant_for_object)
7184 get_native_variant_for_object = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetNativeVariantForObject", 2);
7185 g_assert (get_native_variant_for_object);
7188 case MARSHAL_ACTION_CONV_IN: {
7189 conv_arg = mono_mb_add_local (mb, &mono_defaults.variant_class->byval_arg);
7192 *conv_arg_type = &mono_defaults.variant_class->this_arg;
7194 *conv_arg_type = &mono_defaults.variant_class->byval_arg;
7196 if (t->byref && t->attrs & PARAM_ATTRIBUTE_OUT)
7199 mono_mb_emit_ldarg (mb, argnum);
7201 mono_mb_emit_byte(mb, CEE_LDIND_REF);
7202 mono_mb_emit_ldloc_addr (mb, conv_arg);
7203 mono_mb_emit_managed_call (mb, get_native_variant_for_object, NULL);
7207 case MARSHAL_ACTION_CONV_OUT: {
7208 static MonoMethod *variant_clear = NULL;
7211 variant_clear = mono_class_get_method_from_name (mono_defaults.variant_class, "Clear", 0);
7212 g_assert (variant_clear);
7216 mono_mb_emit_ldarg (mb, argnum);
7217 mono_mb_emit_ldloc_addr (mb, conv_arg);
7218 mono_mb_emit_managed_call (mb, get_object_for_native_variant, NULL);
7219 mono_mb_emit_byte (mb, CEE_STIND_REF);
7222 mono_mb_emit_ldloc_addr (mb, conv_arg);
7223 mono_mb_emit_managed_call (mb, variant_clear, NULL);
7227 case MARSHAL_ACTION_PUSH:
7229 mono_mb_emit_ldloc_addr (mb, conv_arg);
7231 mono_mb_emit_ldloc (mb, conv_arg);
7234 case MARSHAL_ACTION_CONV_RESULT: {
7235 char *msg = g_strdup ("Marshalling of VARIANT not supported as a return type.");
7236 mono_mb_emit_exception_marshal_directive (mb, msg);
7240 case MARSHAL_ACTION_MANAGED_CONV_IN: {
7241 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
7244 *conv_arg_type = &mono_defaults.variant_class->this_arg;
7246 *conv_arg_type = &mono_defaults.variant_class->byval_arg;
7248 if (t->byref && t->attrs & PARAM_ATTRIBUTE_OUT)
7252 mono_mb_emit_ldarg (mb, argnum);
7254 mono_mb_emit_ldarg_addr (mb, argnum);
7255 mono_mb_emit_managed_call (mb, get_object_for_native_variant, NULL);
7256 mono_mb_emit_stloc (mb, conv_arg);
7260 case MARSHAL_ACTION_MANAGED_CONV_OUT: {
7262 mono_mb_emit_ldloc (mb, conv_arg);
7263 mono_mb_emit_ldarg (mb, argnum);
7264 mono_mb_emit_managed_call (mb, get_native_variant_for_object, NULL);
7269 case MARSHAL_ACTION_MANAGED_CONV_RESULT: {
7270 char *msg = g_strdup ("Marshalling of VARIANT not supported as a return type.");
7271 mono_mb_emit_exception_marshal_directive (mb, msg);
7276 g_assert_not_reached ();
7283 emit_marshal_array (EmitMarshalContext *m, int argnum, MonoType *t,
7284 MonoMarshalSpec *spec,
7285 int conv_arg, MonoType **conv_arg_type,
7286 MarshalAction action)
7288 MonoMethodBuilder *mb = m->mb;
7289 MonoClass *klass = mono_class_from_mono_type (t);
7290 gboolean need_convert, need_free;
7291 MonoMarshalNative encoding;
7293 encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
7296 case MARSHAL_ACTION_CONV_IN:
7297 *conv_arg_type = &mono_defaults.object_class->byval_arg;
7298 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
7300 if (klass->element_class->blittable) {
7301 mono_mb_emit_ldarg (mb, argnum);
7303 mono_mb_emit_byte (mb, CEE_LDIND_I);
7304 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_ARRAY_LPARRAY));
7305 mono_mb_emit_stloc (mb, conv_arg);
7308 guint32 label1, label2, label3;
7309 int index_var, src_var, dest_ptr, esize;
7310 MonoMarshalConv conv;
7311 gboolean is_string = FALSE;
7313 dest_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7315 eklass = klass->element_class;
7317 if (eklass == mono_defaults.string_class) {
7319 conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
7321 else if (eklass == mono_defaults.stringbuilder_class) {
7323 conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
7328 src_var = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
7329 mono_mb_emit_ldarg (mb, argnum);
7331 mono_mb_emit_byte (mb, CEE_LDIND_I);
7332 mono_mb_emit_stloc (mb, src_var);
7335 mono_mb_emit_ldloc (mb, src_var);
7336 mono_mb_emit_stloc (mb, conv_arg);
7337 mono_mb_emit_ldloc (mb, src_var);
7338 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
7342 char *msg = g_strdup_printf ("string/stringbuilder marshalling conversion %d not implemented", encoding);
7343 MonoException *exc = mono_get_exception_not_implemented (msg);
7346 mono_raise_exception (exc);
7351 esize = sizeof (gpointer);
7353 esize = mono_class_native_size (eklass, NULL);
7355 /* allocate space for the native struct and store the address */
7356 mono_mb_emit_icon (mb, esize);
7357 mono_mb_emit_ldloc (mb, src_var);
7358 mono_mb_emit_byte (mb, CEE_LDLEN);
7360 if (eklass == mono_defaults.string_class) {
7361 /* Make the array bigger for the terminating null */
7362 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
7363 mono_mb_emit_byte (mb, CEE_ADD);
7365 mono_mb_emit_byte (mb, CEE_MUL);
7366 mono_mb_emit_byte (mb, CEE_PREFIX1);
7367 mono_mb_emit_byte (mb, CEE_LOCALLOC);
7368 mono_mb_emit_stloc (mb, conv_arg);
7370 mono_mb_emit_ldloc (mb, conv_arg);
7371 mono_mb_emit_stloc (mb, dest_ptr);
7373 /* Emit marshalling loop */
7374 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7375 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7376 mono_mb_emit_stloc (mb, index_var);
7378 mono_mb_emit_ldloc (mb, index_var);
7379 mono_mb_emit_ldloc (mb, src_var);
7380 mono_mb_emit_byte (mb, CEE_LDLEN);
7381 label3 = mono_mb_emit_branch (mb, CEE_BGE);
7383 /* Emit marshalling code */
7386 mono_mb_emit_ldloc (mb, dest_ptr);
7387 mono_mb_emit_ldloc (mb, src_var);
7388 mono_mb_emit_ldloc (mb, index_var);
7389 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
7390 mono_mb_emit_icall (mb, conv_to_icall (conv));
7391 mono_mb_emit_byte (mb, CEE_STIND_I);
7393 /* set the src_ptr */
7394 mono_mb_emit_ldloc (mb, src_var);
7395 mono_mb_emit_ldloc (mb, index_var);
7396 mono_mb_emit_op (mb, CEE_LDELEMA, eklass);
7397 mono_mb_emit_stloc (mb, 0);
7400 mono_mb_emit_ldloc (mb, dest_ptr);
7401 mono_mb_emit_stloc (mb, 1);
7403 /* emit valuetype conversion code */
7404 emit_struct_conv (mb, eklass, FALSE);
7407 mono_mb_emit_add_to_local (mb, index_var, 1);
7408 mono_mb_emit_add_to_local (mb, dest_ptr, esize);
7410 mono_mb_emit_byte (mb, CEE_BR);
7411 mono_mb_emit_i4 (mb, label2 - (mb->pos + 4));
7413 mono_mb_patch_branch (mb, label3);
7415 if (eklass == mono_defaults.string_class) {
7416 /* Null terminate */
7417 mono_mb_emit_ldloc (mb, dest_ptr);
7418 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7419 mono_mb_emit_byte (mb, CEE_STIND_REF);
7422 mono_mb_patch_branch (mb, label1);
7427 case MARSHAL_ACTION_CONV_OUT:
7428 /* Unicode character arrays are implicitly marshalled as [Out] under MS.NET */
7429 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);
7430 need_free = mono_marshal_need_free (&klass->element_class->byval_arg,
7433 if (need_convert || need_free) {
7434 /* FIXME: Optimize blittable case */
7436 guint32 label1, label2, label3;
7437 int index_var, src_ptr, loc, esize;
7439 eklass = klass->element_class;
7440 if ((eklass == mono_defaults.stringbuilder_class) || (eklass == mono_defaults.string_class))
7441 esize = sizeof (gpointer);
7443 esize = mono_class_native_size (eklass, NULL);
7444 src_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7445 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7448 mono_mb_emit_ldarg (mb, argnum);
7450 mono_mb_emit_byte (mb, CEE_LDIND_I);
7451 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
7453 mono_mb_emit_ldloc (mb, conv_arg);
7454 mono_mb_emit_stloc (mb, src_ptr);
7456 /* Emit marshalling loop */
7457 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7458 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7459 mono_mb_emit_stloc (mb, index_var);
7461 mono_mb_emit_ldloc (mb, index_var);
7462 mono_mb_emit_ldarg (mb, argnum);
7464 mono_mb_emit_byte (mb, CEE_LDIND_REF);
7465 mono_mb_emit_byte (mb, CEE_LDLEN);
7466 label3 = mono_mb_emit_branch (mb, CEE_BGE);
7468 /* Emit marshalling code */
7470 if (eklass == mono_defaults.stringbuilder_class) {
7471 gboolean need_free2;
7472 MonoMarshalConv conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free2);
7474 g_assert (conv != -1);
7477 mono_mb_emit_ldarg (mb, argnum);
7479 mono_mb_emit_byte (mb, CEE_LDIND_I);
7480 mono_mb_emit_ldloc (mb, index_var);
7481 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
7484 mono_mb_emit_ldloc (mb, src_ptr);
7485 mono_mb_emit_byte (mb, CEE_LDIND_I);
7487 mono_mb_emit_icall (mb, conv_to_icall (conv));
7491 mono_mb_emit_ldloc (mb, src_ptr);
7492 mono_mb_emit_byte (mb, CEE_LDIND_I);
7494 mono_mb_emit_icall (mb, mono_marshal_free);
7497 else if (eklass == mono_defaults.string_class) {
7500 mono_mb_emit_ldloc (mb, src_ptr);
7501 mono_mb_emit_byte (mb, CEE_LDIND_I);
7503 mono_mb_emit_icall (mb, mono_marshal_free);
7508 /* set the src_ptr */
7509 mono_mb_emit_ldloc (mb, src_ptr);
7510 mono_mb_emit_stloc (mb, 0);
7513 mono_mb_emit_ldarg (mb, argnum);
7515 mono_mb_emit_byte (mb, CEE_LDIND_I);
7516 mono_mb_emit_ldloc (mb, index_var);
7517 mono_mb_emit_op (mb, CEE_LDELEMA, eklass);
7518 mono_mb_emit_stloc (mb, 1);
7520 /* emit valuetype conversion code */
7521 emit_struct_conv (mb, eklass, TRUE);
7525 mono_mb_emit_ldloc (mb, src_ptr);
7526 mono_mb_emit_stloc (mb, loc);
7527 mono_mb_emit_ldloc (mb, loc);
7529 emit_struct_free (mb, eklass, loc);
7533 mono_mb_emit_add_to_local (mb, index_var, 1);
7534 mono_mb_emit_add_to_local (mb, src_ptr, esize);
7536 mono_mb_emit_byte (mb, CEE_BR);
7537 mono_mb_emit_i4 (mb, label2 - (mb->pos + 4));
7539 mono_mb_patch_branch (mb, label1);
7540 mono_mb_patch_branch (mb, label3);
7544 case MARSHAL_ACTION_PUSH:
7546 mono_mb_emit_ldloc_addr (mb, conv_arg);
7548 mono_mb_emit_ldloc (mb, conv_arg);
7551 case MARSHAL_ACTION_CONV_RESULT:
7552 /* fixme: we need conversions here */
7553 mono_mb_emit_stloc (mb, 3);
7556 case MARSHAL_ACTION_MANAGED_CONV_IN: {
7558 guint32 label1, label2, label3;
7559 int index_var, src_ptr, loc, esize, param_num, num_elem;
7560 MonoMarshalConv conv;
7561 gboolean is_string = FALSE;
7563 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
7564 *conv_arg_type = &mono_defaults.int_class->byval_arg;
7567 char *msg = g_strdup ("Byref array marshalling to managed code is not implemented.");
7568 mono_mb_emit_exception_marshal_directive (mb, msg);
7572 char *msg = g_strdup ("[MarshalAs] attribute required to marshal arrays to managed code.");
7573 mono_mb_emit_exception_marshal_directive (mb, msg);
7576 if (spec->native != MONO_NATIVE_LPARRAY) {
7577 char *msg = g_strdup ("Non LPArray marshalling of arrays to managed code is not implemented.");
7578 mono_mb_emit_exception_marshal_directive (mb, msg);
7582 /* FIXME: t is from the method which is wrapped, not the delegate type */
7583 /* g_assert (t->attrs & PARAM_ATTRIBUTE_IN); */
7585 param_num = spec->data.array_data.param_num;
7586 num_elem = spec->data.array_data.num_elem;
7587 if (spec->data.array_data.elem_mult == 0)
7588 /* param_num is not specified */
7591 if (param_num == -1) {
7592 if (num_elem <= 0) {
7593 char *msg = g_strdup ("Either SizeConst or SizeParamIndex should be specified when marshalling arrays to managed code.");
7594 mono_mb_emit_exception_marshal_directive (mb, msg);
7599 /* FIXME: Optimize blittable case */
7601 eklass = klass->element_class;
7602 if (eklass == mono_defaults.string_class) {
7604 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
7606 else if (eklass == mono_defaults.stringbuilder_class) {
7608 conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free);
7613 mono_marshal_load_type_info (eklass);
7616 esize = sizeof (gpointer);
7618 esize = mono_class_native_size (eklass, NULL);
7619 src_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7620 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7622 mono_mb_emit_byte (mb, CEE_LDNULL);
7623 mono_mb_emit_stloc (mb, conv_arg);
7625 /* Check param index */
7626 if (param_num != -1) {
7627 if (param_num >= m->sig->param_count) {
7628 char *msg = g_strdup ("Array size control parameter index is out of range.");
7629 mono_mb_emit_exception_marshal_directive (mb, msg);
7632 switch (m->sig->params [param_num]->type) {
7645 char *msg = g_strdup ("Array size control parameter must be an integral type.");
7646 mono_mb_emit_exception_marshal_directive (mb, msg);
7653 mono_mb_emit_ldarg (mb, argnum);
7654 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
7656 mono_mb_emit_ldarg (mb, argnum);
7657 mono_mb_emit_stloc (mb, src_ptr);
7659 /* Create managed array */
7661 * The LPArray marshalling spec says that sometimes param_num starts
7662 * from 1, sometimes it starts from 0. But MS seems to allways start
7666 if (param_num == -1)
7667 mono_mb_emit_icon (mb, num_elem);
7669 /* FIXME: Add the two together */
7670 mono_mb_emit_ldarg (mb, param_num);
7672 mono_mb_emit_icon (mb, num_elem);
7673 mono_mb_emit_byte (mb, CEE_ADD);
7677 mono_mb_emit_op (mb, CEE_NEWARR, eklass);
7678 mono_mb_emit_stloc (mb, conv_arg);
7680 if (eklass->blittable) {
7681 mono_mb_emit_ldloc (mb, conv_arg);
7682 mono_mb_emit_byte (mb, CEE_CONV_I);
7683 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArray, vector));
7684 mono_mb_emit_byte (mb, CEE_ADD);
7685 mono_mb_emit_ldarg (mb, argnum);
7686 mono_mb_emit_ldloc (mb, conv_arg);
7687 mono_mb_emit_byte (mb, CEE_LDLEN);
7688 mono_mb_emit_icon (mb, esize);
7689 mono_mb_emit_byte (mb, CEE_MUL);
7690 mono_mb_emit_byte (mb, CEE_PREFIX1);
7691 mono_mb_emit_byte (mb, CEE_CPBLK);
7695 /* Emit marshalling loop */
7696 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7697 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7698 mono_mb_emit_stloc (mb, index_var);
7700 mono_mb_emit_ldloc (mb, index_var);
7701 mono_mb_emit_ldloc (mb, conv_arg);
7702 mono_mb_emit_byte (mb, CEE_LDLEN);
7703 label3 = mono_mb_emit_branch (mb, CEE_BGE);
7705 /* Emit marshalling code */
7707 g_assert (conv != -1);
7709 mono_mb_emit_ldloc (mb, conv_arg);
7710 mono_mb_emit_ldloc (mb, index_var);
7712 mono_mb_emit_ldloc (mb, src_ptr);
7713 mono_mb_emit_byte (mb, CEE_LDIND_I);
7715 mono_mb_emit_icall (mb, conv_to_icall (conv));
7716 mono_mb_emit_byte (mb, CEE_STELEM_REF);
7719 char *msg = g_strdup ("Marshalling of non-string and non-blittable arrays to managed code is not implemented.");
7720 mono_mb_emit_exception_marshal_directive (mb, msg);
7724 mono_mb_emit_add_to_local (mb, index_var, 1);
7725 mono_mb_emit_add_to_local (mb, src_ptr, esize);
7727 mono_mb_emit_byte (mb, CEE_BR);
7728 mono_mb_emit_i4 (mb, label2 - (mb->pos + 4));
7730 mono_mb_patch_branch (mb, label1);
7731 mono_mb_patch_branch (mb, label3);
7735 case MARSHAL_ACTION_MANAGED_CONV_OUT: {
7737 guint32 label1, label2, label3;
7738 int index_var, dest_ptr, loc, esize, param_num, num_elem;
7739 MonoMarshalConv conv;
7740 gboolean is_string = FALSE;
7743 /* Already handled in CONV_IN */
7746 /* These are already checked in CONV_IN */
7747 g_assert (!t->byref);
7748 g_assert (spec->native == MONO_NATIVE_LPARRAY);
7749 g_assert (t->attrs & PARAM_ATTRIBUTE_OUT);
7751 param_num = spec->data.array_data.param_num;
7752 num_elem = spec->data.array_data.num_elem;
7754 if (spec->data.array_data.elem_mult == 0)
7755 /* param_num is not specified */
7758 if (param_num == -1) {
7759 if (num_elem <= 0) {
7760 g_assert_not_reached ();
7764 /* FIXME: Optimize blittable case */
7766 eklass = klass->element_class;
7767 if (eklass == mono_defaults.string_class) {
7769 conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
7771 else if (eklass == mono_defaults.stringbuilder_class) {
7773 conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
7778 mono_marshal_load_type_info (eklass);
7781 esize = sizeof (gpointer);
7783 esize = mono_class_native_size (eklass, NULL);
7785 dest_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7786 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7789 mono_mb_emit_ldloc (mb, conv_arg);
7790 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
7792 mono_mb_emit_ldarg (mb, argnum);
7793 mono_mb_emit_stloc (mb, dest_ptr);
7795 if (eklass->blittable) {
7797 mono_mb_emit_ldarg (mb, argnum);
7799 mono_mb_emit_ldloc (mb, conv_arg);
7800 mono_mb_emit_byte (mb, CEE_CONV_I);
7801 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArray, vector));
7802 mono_mb_emit_byte (mb, CEE_ADD);
7804 mono_mb_emit_ldloc (mb, conv_arg);
7805 mono_mb_emit_byte (mb, CEE_LDLEN);
7806 mono_mb_emit_icon (mb, esize);
7807 mono_mb_emit_byte (mb, CEE_MUL);
7808 mono_mb_emit_byte (mb, CEE_PREFIX1);
7809 mono_mb_emit_byte (mb, CEE_CPBLK);
7813 /* Emit marshalling loop */
7814 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7815 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7816 mono_mb_emit_stloc (mb, index_var);
7818 mono_mb_emit_ldloc (mb, index_var);
7819 mono_mb_emit_ldloc (mb, conv_arg);
7820 mono_mb_emit_byte (mb, CEE_LDLEN);
7821 label3 = mono_mb_emit_branch (mb, CEE_BGE);
7823 /* Emit marshalling code */
7825 g_assert (conv != -1);
7828 mono_mb_emit_ldloc (mb, dest_ptr);
7831 mono_mb_emit_ldloc (mb, conv_arg);
7832 mono_mb_emit_ldloc (mb, index_var);
7834 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
7836 mono_mb_emit_icall (mb, conv_to_icall (conv));
7837 mono_mb_emit_byte (mb, CEE_STIND_I);
7840 char *msg = g_strdup ("Marshalling of non-string and non-blittable arrays to managed code is not implemented.");
7841 mono_mb_emit_exception_marshal_directive (mb, msg);
7845 mono_mb_emit_add_to_local (mb, index_var, 1);
7846 mono_mb_emit_add_to_local (mb, dest_ptr, esize);
7848 mono_mb_emit_byte (mb, CEE_BR);
7849 mono_mb_emit_i4 (mb, label2 - (mb->pos + 4));
7851 mono_mb_patch_branch (mb, label1);
7852 mono_mb_patch_branch (mb, label3);
7856 case MARSHAL_ACTION_MANAGED_CONV_RESULT: {
7858 guint32 label1, label2, label3;
7859 int index_var, src, dest, esize;
7860 MonoMarshalConv conv = -1;
7861 gboolean is_string = FALSE;
7863 g_assert (!t->byref);
7865 eklass = klass->element_class;
7867 mono_marshal_load_type_info (eklass);
7869 if (eklass == mono_defaults.string_class) {
7871 conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
7874 g_assert_not_reached ();
7878 esize = sizeof (gpointer);
7880 esize = mono_class_native_size (eklass, NULL);
7882 src = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
7883 dest = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7885 mono_mb_emit_stloc (mb, src);
7886 mono_mb_emit_ldloc (mb, src);
7887 mono_mb_emit_stloc (mb, 3);
7889 /* Check for null */
7890 mono_mb_emit_ldloc (mb, src);
7891 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
7893 /* Allocate native array */
7894 mono_mb_emit_icon (mb, esize);
7895 mono_mb_emit_ldloc (mb, src);
7896 mono_mb_emit_byte (mb, CEE_LDLEN);
7898 if (eklass == mono_defaults.string_class) {
7899 /* Make the array bigger for the terminating null */
7900 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
7901 mono_mb_emit_byte (mb, CEE_ADD);
7903 mono_mb_emit_byte (mb, CEE_MUL);
7904 mono_mb_emit_icall (mb, mono_marshal_alloc);
7905 mono_mb_emit_stloc (mb, dest);
7906 mono_mb_emit_ldloc (mb, dest);
7907 mono_mb_emit_stloc (mb, 3);
7909 /* Emit marshalling loop */
7910 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7911 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7912 mono_mb_emit_stloc (mb, index_var);
7914 mono_mb_emit_ldloc (mb, index_var);
7915 mono_mb_emit_ldloc (mb, src);
7916 mono_mb_emit_byte (mb, CEE_LDLEN);
7917 label3 = mono_mb_emit_branch (mb, CEE_BGE);
7919 /* Emit marshalling code */
7921 g_assert (conv != -1);
7924 mono_mb_emit_ldloc (mb, dest);
7927 mono_mb_emit_ldloc (mb, src);
7928 mono_mb_emit_ldloc (mb, index_var);
7930 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
7932 mono_mb_emit_icall (mb, conv_to_icall (conv));
7933 mono_mb_emit_byte (mb, CEE_STIND_I);
7936 char *msg = g_strdup ("Marshalling of non-string arrays to managed code is not implemented.");
7937 mono_mb_emit_exception_marshal_directive (mb, msg);
7941 mono_mb_emit_add_to_local (mb, index_var, 1);
7942 mono_mb_emit_add_to_local (mb, dest, esize);
7944 mono_mb_emit_byte (mb, CEE_BR);
7945 mono_mb_emit_i4 (mb, label2 - (mb->pos + 4));
7947 mono_mb_patch_branch (mb, label3);
7948 mono_mb_patch_branch (mb, label1);
7952 g_assert_not_reached ();
7959 emit_marshal_boolean (EmitMarshalContext *m, int argnum, MonoType *t,
7960 MonoMarshalSpec *spec,
7961 int conv_arg, MonoType **conv_arg_type,
7962 MarshalAction action)
7964 MonoMethodBuilder *mb = m->mb;
7967 case MARSHAL_ACTION_CONV_IN: {
7968 MonoType *local_type;
7969 int variant_bool = 0;
7973 local_type = &mono_defaults.int32_class->byval_arg;
7975 switch (spec->native) {
7976 case MONO_NATIVE_I1:
7977 local_type = &mono_defaults.byte_class->byval_arg;
7979 case MONO_NATIVE_VARIANTBOOL:
7980 local_type = &mono_defaults.int16_class->byval_arg;
7984 g_warning ("marshalling bool as native type %x is currently not supported", spec->native);
7985 local_type = &mono_defaults.int32_class->byval_arg;
7989 *conv_arg_type = &mono_defaults.int_class->byval_arg;
7990 conv_arg = mono_mb_add_local (mb, local_type);
7991 mono_mb_emit_ldarg (mb, argnum);
7992 mono_mb_emit_byte (mb, CEE_LDIND_I1);
7994 mono_mb_emit_byte (mb, CEE_NEG);
7995 mono_mb_emit_stloc (mb, conv_arg);
7999 case MARSHAL_ACTION_CONV_OUT:
8002 mono_mb_emit_ldarg (mb, argnum);
8003 mono_mb_emit_ldloc (mb, conv_arg);
8004 if (spec != NULL && spec->native == MONO_NATIVE_VARIANTBOOL)
8005 mono_mb_emit_byte (mb, CEE_NEG);
8006 mono_mb_emit_byte (mb, CEE_STIND_I1);
8009 case MARSHAL_ACTION_PUSH:
8011 mono_mb_emit_ldloc_addr (mb, conv_arg);
8013 mono_mb_emit_ldarg (mb, argnum);
8016 case MARSHAL_ACTION_CONV_RESULT:
8017 /* maybe we need to make sure that it fits within 8 bits */
8018 mono_mb_emit_stloc (mb, 3);
8022 g_assert_not_reached ();
8029 emit_marshal_ptr (EmitMarshalContext *m, int argnum, MonoType *t,
8030 MonoMarshalSpec *spec, int conv_arg,
8031 MonoType **conv_arg_type, MarshalAction action)
8033 MonoMethodBuilder *mb = m->mb;
8036 case MARSHAL_ACTION_CONV_IN:
8037 if (MONO_TYPE_ISSTRUCT (t->data.type)) {
8038 char *msg = g_strdup_printf ("Can not marshal 'parameter #%d': Pointers can not reference marshaled structures. Use byref instead.", argnum + 1);
8039 mono_mb_emit_exception_marshal_directive (m->mb, msg);
8043 case MARSHAL_ACTION_PUSH:
8044 mono_mb_emit_ldarg (mb, argnum);
8047 case MARSHAL_ACTION_CONV_RESULT:
8048 /* no conversions necessary */
8049 mono_mb_emit_stloc (mb, 3);
8060 emit_marshal_char (EmitMarshalContext *m, int argnum, MonoType *t,
8061 MonoMarshalSpec *spec, int conv_arg,
8062 MonoType **conv_arg_type, MarshalAction action)
8064 MonoMethodBuilder *mb = m->mb;
8067 case MARSHAL_ACTION_PUSH:
8068 /* fixme: dont know how to marshal that. We cant simply
8069 * convert it to a one byte UTF8 character, because an
8070 * unicode character may need more that one byte in UTF8 */
8071 mono_mb_emit_ldarg (mb, argnum);
8074 case MARSHAL_ACTION_CONV_RESULT:
8075 /* fixme: we need conversions here */
8076 mono_mb_emit_stloc (mb, 3);
8087 emit_marshal_scalar (EmitMarshalContext *m, int argnum, MonoType *t,
8088 MonoMarshalSpec *spec, int conv_arg,
8089 MonoType **conv_arg_type, MarshalAction action)
8091 MonoMethodBuilder *mb = m->mb;
8094 case MARSHAL_ACTION_PUSH:
8095 mono_mb_emit_ldarg (mb, argnum);
8098 case MARSHAL_ACTION_CONV_RESULT:
8099 /* no conversions necessary */
8100 mono_mb_emit_stloc (mb, 3);
8111 emit_marshal (EmitMarshalContext *m, int argnum, MonoType *t,
8112 MonoMarshalSpec *spec, int conv_arg,
8113 MonoType **conv_arg_type, MarshalAction action)
8115 /* Ensure that we have marshalling info for this param */
8116 mono_marshal_load_type_info (mono_class_from_mono_type (t));
8118 if (spec && spec->native == MONO_NATIVE_CUSTOM)
8119 return emit_marshal_custom (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8121 if (spec && spec->native == MONO_NATIVE_ASANY)
8122 return emit_marshal_asany (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8125 case MONO_TYPE_VALUETYPE:
8126 if (t->data.klass == mono_defaults.handleref_class)
8127 return emit_marshal_handleref (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8129 return emit_marshal_vtype (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8130 case MONO_TYPE_STRING:
8131 return emit_marshal_string (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8132 case MONO_TYPE_CLASS:
8133 case MONO_TYPE_OBJECT:
8134 if (spec && spec->native == MONO_NATIVE_STRUCT)
8135 return emit_marshal_variant (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8137 if (spec && (spec->native == MONO_NATIVE_IUNKNOWN ||
8138 spec->native == MONO_NATIVE_IDISPATCH ||
8139 spec->native == MONO_NATIVE_INTERFACE))
8140 return emit_marshal_com_interface (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8142 if (mono_defaults.safehandle_class != NULL &&
8143 mono_class_is_subclass_of (t->data.klass, mono_defaults.safehandle_class, FALSE))
8144 return emit_marshal_safehandle (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8146 return emit_marshal_object (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8147 case MONO_TYPE_ARRAY:
8148 case MONO_TYPE_SZARRAY:
8149 return emit_marshal_array (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8150 case MONO_TYPE_BOOLEAN:
8151 return emit_marshal_boolean (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8153 return emit_marshal_ptr (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8154 case MONO_TYPE_CHAR:
8155 return emit_marshal_char (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8168 case MONO_TYPE_FNPTR:
8169 return emit_marshal_scalar (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8176 * mono_marshal_emit_native_wrapper:
8177 * @image: the image to use for looking up custom marshallers
8178 * @sig: The signature of the native function
8179 * @piinfo: Marshalling information
8180 * @mspecs: Marshalling information
8181 * @func: the native function to call
8183 * generates IL code for the pinvoke wrapper, the generated code calls @func.
8186 mono_marshal_emit_native_wrapper (MonoImage *image, MonoMethodBuilder *mb, MonoMethodSignature *sig, MonoMethodPInvoke *piinfo, MonoMarshalSpec **mspecs, gpointer func)
8188 EmitMarshalContext m;
8189 MonoMethodSignature *csig;
8191 int i, argnum, *tmp_locals;
8193 static MonoMethodSignature *get_last_error_sig = NULL;
8198 /* we copy the signature, so that we can set pinvoke to 0 */
8199 csig = signature_dup (mb->method->klass->image, sig);
8204 /* we allocate local for use with emit_struct_conv() */
8205 /* allocate local 0 (pointer) src_ptr */
8206 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8207 /* allocate local 1 (pointer) dst_ptr */
8208 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8209 /* allocate local 2 (boolean) delete_old */
8210 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
8212 /* delete_old = FALSE */
8213 mono_mb_emit_icon (mb, 0);
8214 mono_mb_emit_stloc (mb, 2);
8216 if (!MONO_TYPE_IS_VOID(sig->ret)) {
8217 /* allocate local 3 to store the return value */
8218 mono_mb_add_local (mb, sig->ret);
8221 if (mspecs [0] && mspecs [0]->native == MONO_NATIVE_CUSTOM) {
8222 /* Return type custom marshaling */
8224 * Since we can't determine the return type of the unmanaged function,
8225 * we assume it returns a pointer, and pass that pointer to
8226 * MarshalNativeToManaged.
8228 csig->ret = &mono_defaults.int_class->byval_arg;
8231 /* we first do all conversions */
8232 tmp_locals = alloca (sizeof (int) * sig->param_count);
8233 m.orig_conv_args = alloca (sizeof (int) * (sig->param_count + 1));
8235 for (i = 0; i < sig->param_count; i ++) {
8236 tmp_locals [i] = emit_marshal (&m, i + sig->hasthis, sig->params [i], mspecs [i + 1], 0, &csig->params [i], MARSHAL_ACTION_CONV_IN);
8239 /* push all arguments */
8242 mono_mb_emit_byte (mb, CEE_LDARG_0);
8245 for (i = 0; i < sig->param_count; i++) {
8246 emit_marshal (&m, i + sig->hasthis, sig->params [i], mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_PUSH);
8249 /* call the native method */
8250 if (MONO_CLASS_IS_IMPORT (mb->method->klass)) {
8251 mono_mb_emit_cominterop_call (mb, csig, &piinfo->method);
8254 mono_mb_emit_native_call (mb, csig, func);
8257 /* Set LastError if needed */
8258 if (piinfo->piflags & PINVOKE_ATTRIBUTE_SUPPORTS_LAST_ERROR) {
8259 if (!get_last_error_sig) {
8260 get_last_error_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
8261 get_last_error_sig->ret = &mono_defaults.int_class->byval_arg;
8262 get_last_error_sig->pinvoke = 1;
8265 #ifdef PLATFORM_WIN32
8267 * Have to call GetLastError () early and without a wrapper, since various runtime components could
8268 * clobber its value.
8270 mono_mb_emit_native_call (mb, get_last_error_sig, GetLastError);
8271 mono_mb_emit_icall (mb, mono_marshal_set_last_error_windows);
8273 mono_mb_emit_icall (mb, mono_marshal_set_last_error);
8277 /* convert the result */
8278 if (!sig->ret->byref) {
8279 MonoMarshalSpec *spec = mspecs [0];
8280 type = sig->ret->type;
8282 if (spec && spec->native == MONO_NATIVE_CUSTOM) {
8283 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
8288 case MONO_TYPE_VOID:
8290 case MONO_TYPE_VALUETYPE:
8291 klass = sig->ret->data.klass;
8292 if (klass->enumtype) {
8293 type = sig->ret->data.klass->enum_basetype->type;
8296 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
8310 case MONO_TYPE_FNPTR:
8311 case MONO_TYPE_STRING:
8312 case MONO_TYPE_CLASS:
8313 case MONO_TYPE_OBJECT:
8314 case MONO_TYPE_BOOLEAN:
8315 case MONO_TYPE_ARRAY:
8316 case MONO_TYPE_SZARRAY:
8317 case MONO_TYPE_CHAR:
8319 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
8321 case MONO_TYPE_TYPEDBYREF:
8323 g_warning ("return type 0x%02x unknown", sig->ret->type);
8324 g_assert_not_reached ();
8328 mono_mb_emit_stloc (mb, 3);
8332 * Need to call this after converting the result since MONO_VTADDR needs
8333 * to be adjacent to the call instruction.
8335 emit_thread_interrupt_checkpoint (mb);
8337 /* we need to convert byref arguments back and free string arrays */
8338 for (i = 0; i < sig->param_count; i++) {
8339 MonoType *t = sig->params [i];
8340 MonoMarshalSpec *spec = mspecs [i + 1];
8342 argnum = i + sig->hasthis;
8344 if (spec && ((spec->native == MONO_NATIVE_CUSTOM) || (spec->native == MONO_NATIVE_ASANY))) {
8345 emit_marshal (&m, argnum, t, spec, tmp_locals [i], NULL, MARSHAL_ACTION_CONV_OUT);
8350 case MONO_TYPE_STRING:
8351 case MONO_TYPE_VALUETYPE:
8352 case MONO_TYPE_CLASS:
8353 case MONO_TYPE_OBJECT:
8354 case MONO_TYPE_SZARRAY:
8355 case MONO_TYPE_BOOLEAN:
8356 emit_marshal (&m, argnum, t, spec, tmp_locals [i], NULL, MARSHAL_ACTION_CONV_OUT);
8361 if (!MONO_TYPE_IS_VOID(sig->ret))
8362 mono_mb_emit_ldloc (mb, 3);
8364 mono_mb_emit_byte (mb, CEE_RET);
8368 * mono_marshal_get_native_wrapper:
8369 * @method: The MonoMethod to wrap.
8371 * generates IL code for the pinvoke wrapper (the generated method
8372 * calls the unmanaged code in piinfo->addr)
8375 mono_marshal_get_native_wrapper (MonoMethod *method)
8377 MonoMethodSignature *sig, *csig;
8378 MonoMethodPInvoke *piinfo = (MonoMethodPInvoke *) method;
8379 MonoMethodBuilder *mb;
8380 MonoMarshalSpec **mspecs;
8383 gboolean pinvoke = FALSE;
8386 const char *exc_class = "MissingMethodException";
8387 const char *exc_arg = NULL;
8389 g_assert (method != NULL);
8390 g_assert (mono_method_signature (method)->pinvoke);
8392 cache = method->klass->image->native_wrapper_cache;
8393 if ((res = mono_marshal_find_in_cache (cache, method)))
8396 if (MONO_CLASS_IS_IMPORT (method->klass))
8397 return cominterop_get_native_wrapper (method);
8399 sig = mono_method_signature (method);
8401 if (!(method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
8402 (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL))
8405 if (!piinfo->addr) {
8407 mono_lookup_pinvoke_call (method, &exc_class, &exc_arg);
8409 piinfo->addr = mono_lookup_internal_call (method);
8412 /* hack - redirect certain string constructors to CreateString */
8413 if (piinfo->addr == ves_icall_System_String_ctor_RedirectToCreateString) {
8414 g_assert (!pinvoke);
8415 g_assert (method->string_ctor);
8416 g_assert (sig->hasthis);
8418 /* CreateString returns a value */
8419 csig = signature_dup (method->klass->image, sig);
8420 csig->ret = &mono_defaults.string_class->byval_arg;
8424 while ((res = mono_class_get_methods (mono_defaults.string_class, &iter))) {
8425 if (!strcmp ("CreateString", res->name) &&
8426 mono_metadata_signature_equal (csig, mono_method_signature (res))) {
8428 g_assert (!(res->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL));
8429 g_assert (!(res->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL));
8431 /* create a wrapper to preserve .ctor in stack trace */
8432 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_MANAGED_TO_MANAGED);
8434 mono_mb_emit_byte (mb, CEE_LDARG_0);
8435 for (i = 1; i <= csig->param_count; i++)
8436 mono_mb_emit_ldarg (mb, i);
8437 mono_mb_emit_managed_call (mb, res, NULL);
8438 mono_mb_emit_byte (mb, CEE_RET);
8440 /* use native_wrapper_cache because internal calls are looked up there */
8441 res = mono_mb_create_and_cache (cache, method,
8442 mb, csig, csig->param_count + 1);
8450 /* exception will be thrown */
8451 piinfo->addr = NULL;
8452 g_warning ("cannot find CreateString for .ctor");
8455 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_MANAGED_TO_NATIVE);
8457 mb->method->save_lmf = 1;
8459 if (!piinfo->addr) {
8460 mono_mb_emit_exception (mb, exc_class, exc_arg);
8461 csig = signature_dup (method->klass->image, sig);
8463 res = mono_mb_create_and_cache (cache, method,
8464 mb, csig, csig->param_count + 16);
8469 /* internal calls: we simply push all arguments and call the method (no conversions) */
8470 if (method->iflags & (METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL | METHOD_IMPL_ATTRIBUTE_RUNTIME)) {
8472 /* hack - string constructors returns a value */
8473 if (method->string_ctor) {
8474 csig = signature_dup (method->klass->image, sig);
8475 csig->ret = &mono_defaults.string_class->byval_arg;
8480 mono_mb_emit_byte (mb, CEE_LDARG_0);
8482 for (i = 0; i < sig->param_count; i++)
8483 mono_mb_emit_ldarg (mb, i + sig->hasthis);
8485 g_assert (piinfo->addr);
8486 mono_mb_emit_native_call (mb, csig, piinfo->addr);
8487 emit_thread_interrupt_checkpoint (mb);
8488 mono_mb_emit_byte (mb, CEE_RET);
8490 csig = signature_dup (method->klass->image, csig);
8492 res = mono_mb_create_and_cache (cache, method,
8493 mb, csig, csig->param_count + 16);
8500 mspecs = g_new (MonoMarshalSpec*, sig->param_count + 1);
8501 mono_method_get_marshal_info (method, mspecs);
8503 mono_marshal_emit_native_wrapper (mb->method->klass->image, mb, sig, piinfo, mspecs, piinfo->addr);
8505 csig = signature_dup (method->klass->image, sig);
8507 res = mono_mb_create_and_cache (cache, method,
8508 mb, csig, csig->param_count + 16);
8511 for (i = sig->param_count; i >= 0; i--)
8513 mono_metadata_free_marshal_spec (mspecs [i]);
8516 /* 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)); */
8522 * mono_marshal_get_native_func_wrapper:
8523 * @image: The image to use for memory allocation and for looking up custom marshallers.
8524 * @sig: The signature of the function
8525 * @func: The native function to wrap
8527 * Returns a wrapper method around native functions, similar to the pinvoke
8531 mono_marshal_get_native_func_wrapper (MonoImage *image, MonoMethodSignature *sig,
8532 MonoMethodPInvoke *piinfo, MonoMarshalSpec **mspecs, gpointer func)
8534 MonoMethodSignature *csig;
8536 MonoMethodBuilder *mb;
8541 cache = image->native_wrapper_cache;
8542 if ((res = mono_marshal_find_in_cache (cache, func)))
8545 name = g_strdup_printf ("wrapper_native_%p", func);
8546 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_MANAGED_TO_NATIVE);
8547 mb->method->save_lmf = 1;
8549 mono_marshal_emit_native_wrapper (image, mb, sig, piinfo, mspecs, func);
8551 csig = signature_dup (image, sig);
8553 res = mono_mb_create_and_cache (cache, func,
8554 mb, csig, csig->param_count + 16);
8557 /* 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)); */
8562 /* FIXME: moving GC */
8564 mono_marshal_emit_managed_wrapper (MonoMethodBuilder *mb, MonoMethodSignature *invoke_sig, MonoMarshalSpec **mspecs, EmitMarshalContext* m, MonoMethod *method, MonoObject* this)
8566 MonoMethodSignature *sig, *csig;
8572 /* allocate local 0 (pointer) src_ptr */
8573 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8574 /* allocate local 1 (pointer) dst_ptr */
8575 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8576 /* allocate local 2 (boolean) delete_old */
8577 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
8579 if (!MONO_TYPE_IS_VOID(sig->ret)) {
8580 /* allocate local 3 to store the return value */
8581 mono_mb_add_local (mb, sig->ret);
8584 mono_mb_emit_icon (mb, 0);
8585 mono_mb_emit_stloc (mb, 2);
8587 /* fixme: howto handle this ? */
8590 /* FIXME: need a solution for the moving GC here */
8591 mono_mb_emit_ptr (mb, this);
8594 g_assert_not_reached ();
8598 /* we first do all conversions */
8599 tmp_locals = alloca (sizeof (int) * sig->param_count);
8600 for (i = 0; i < sig->param_count; i ++) {
8601 MonoType *t = sig->params [i];
8604 case MONO_TYPE_OBJECT:
8605 case MONO_TYPE_CLASS:
8606 case MONO_TYPE_VALUETYPE:
8607 case MONO_TYPE_ARRAY:
8608 case MONO_TYPE_SZARRAY:
8609 case MONO_TYPE_STRING:
8610 tmp_locals [i] = emit_marshal (m, i, sig->params [i], mspecs [i + 1], 0, &csig->params [i], MARSHAL_ACTION_MANAGED_CONV_IN);
8619 emit_thread_interrupt_checkpoint (mb);
8621 for (i = 0; i < sig->param_count; i++) {
8622 MonoType *t = sig->params [i];
8624 if (tmp_locals [i]) {
8626 mono_mb_emit_ldloc_addr (mb, tmp_locals [i]);
8628 mono_mb_emit_ldloc (mb, tmp_locals [i]);
8631 mono_mb_emit_ldarg (mb, i);
8634 mono_mb_emit_managed_call (mb, method, NULL);
8636 if (mspecs [0] && mspecs [0]->native == MONO_NATIVE_CUSTOM) {
8637 emit_marshal (m, 0, sig->ret, mspecs [0], 0, NULL, MARSHAL_ACTION_MANAGED_CONV_RESULT);
8640 if (!sig->ret->byref) {
8641 switch (sig->ret->type) {
8642 case MONO_TYPE_VOID:
8644 case MONO_TYPE_BOOLEAN:
8658 case MONO_TYPE_OBJECT:
8659 mono_mb_emit_stloc (mb, 3);
8661 case MONO_TYPE_STRING:
8662 csig->ret = &mono_defaults.int_class->byval_arg;
8663 emit_marshal (m, 0, sig->ret, mspecs [0], 0, NULL, MARSHAL_ACTION_MANAGED_CONV_RESULT);
8665 case MONO_TYPE_VALUETYPE:
8666 case MONO_TYPE_CLASS:
8667 case MONO_TYPE_SZARRAY:
8668 emit_marshal (m, 0, sig->ret, mspecs [0], 0, NULL, MARSHAL_ACTION_MANAGED_CONV_RESULT);
8671 g_warning ("return type 0x%02x unknown", sig->ret->type);
8672 g_assert_not_reached ();
8675 mono_mb_emit_stloc (mb, 3);
8678 /* Convert byref arguments back */
8679 for (i = 0; i < sig->param_count; i ++) {
8680 MonoType *t = sig->params [i];
8681 MonoMarshalSpec *spec = mspecs [i + 1];
8683 if (spec && spec->native == MONO_NATIVE_CUSTOM) {
8684 emit_marshal (m, i, t, mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_MANAGED_CONV_OUT);
8686 else if (t->byref) {
8688 case MONO_TYPE_CLASS:
8689 case MONO_TYPE_VALUETYPE:
8690 case MONO_TYPE_OBJECT:
8691 emit_marshal (m, i, t, mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_MANAGED_CONV_OUT);
8695 else if (invoke_sig->params [i]->attrs & PARAM_ATTRIBUTE_OUT) {
8696 /* The [Out] information is encoded in the delegate signature */
8698 case MONO_TYPE_SZARRAY:
8699 case MONO_TYPE_CLASS:
8700 case MONO_TYPE_VALUETYPE:
8701 emit_marshal (m, i, invoke_sig->params [i], mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_MANAGED_CONV_OUT);
8704 g_assert_not_reached ();
8709 if (m->retobj_var) {
8710 mono_mb_emit_ldloc (mb, m->retobj_var);
8711 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
8712 mono_mb_emit_op (mb, CEE_MONO_RETOBJ, m->retobj_class);
8715 if (!MONO_TYPE_IS_VOID(sig->ret))
8716 mono_mb_emit_ldloc (mb, 3);
8717 mono_mb_emit_byte (mb, CEE_RET);
8723 * generates IL code to call managed methods from unmanaged code
8726 mono_marshal_get_managed_wrapper (MonoMethod *method, MonoClass *delegate_klass, MonoObject *this)
8728 static MonoClass *UnmanagedFunctionPointerAttribute;
8729 MonoMethodSignature *sig, *csig, *invoke_sig;
8730 MonoMethodBuilder *mb;
8731 MonoMethod *res, *invoke;
8732 MonoMarshalSpec **mspecs;
8733 MonoMethodPInvoke piinfo;
8736 EmitMarshalContext m;
8738 g_assert (method != NULL);
8739 g_assert (!mono_method_signature (method)->pinvoke);
8742 * FIXME: Should cache the method+delegate type pair, since the same method
8743 * could be called with different delegates, thus different marshalling
8746 cache = method->klass->image->managed_wrapper_cache;
8747 if (!this && (res = mono_marshal_find_in_cache (cache, method)))
8750 invoke = mono_class_get_method_from_name (delegate_klass, "Invoke", mono_method_signature (method)->param_count);
8751 invoke_sig = mono_method_signature (invoke);
8753 mspecs = g_new0 (MonoMarshalSpec*, mono_method_signature (invoke)->param_count + 1);
8754 mono_method_get_marshal_info (invoke, mspecs);
8756 sig = mono_method_signature (method);
8758 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_NATIVE_TO_MANAGED);
8761 /* we copy the signature, so that we can modify it */
8762 csig = signature_dup (method->klass->image, sig);
8771 m.image = method->klass->image;
8773 #ifdef PLATFORM_WIN32
8775 * Under windows, delegates passed to native code must use the STDCALL
8776 * calling convention.
8778 csig->call_convention = MONO_CALL_STDCALL;
8781 /* Change default calling convention if needed */
8782 /* Why is this a modopt ? */
8783 if (invoke_sig->ret && invoke_sig->ret->num_mods) {
8784 for (i = 0; i < invoke_sig->ret->num_mods; ++i) {
8785 MonoClass *cmod_class = mono_class_get (delegate_klass->image, invoke_sig->ret->modifiers [i].token);
8786 g_assert (cmod_class);
8787 if ((cmod_class->image == mono_defaults.corlib) && !strcmp (cmod_class->name_space, "System.Runtime.CompilerServices")) {
8788 if (!strcmp (cmod_class->name, "CallConvCdecl"))
8789 csig->call_convention = MONO_CALL_C;
8790 else if (!strcmp (cmod_class->name, "CallConvStdcall"))
8791 csig->call_convention = MONO_CALL_STDCALL;
8792 else if (!strcmp (cmod_class->name, "CallConvFastcall"))
8793 csig->call_convention = MONO_CALL_FASTCALL;
8794 else if (!strcmp (cmod_class->name, "CallConvThiscall"))
8795 csig->call_convention = MONO_CALL_THISCALL;
8800 /* Handle the UnmanagedFunctionPointerAttribute */
8801 if (!UnmanagedFunctionPointerAttribute)
8802 UnmanagedFunctionPointerAttribute = mono_class_from_name (mono_defaults.corlib, "System.Runtime.InteropServices", "UnmanagedFunctionPointerAttribute");
8804 /* The attribute is only available in Net 2.0 */
8805 if (UnmanagedFunctionPointerAttribute) {
8806 MonoReflectionUnmanagedFunctionPointerAttribute *attr;
8807 MonoCustomAttrInfo *cinfo;
8810 * The pinvoke attributes are stored in a real custom attribute so we have to
8813 cinfo = mono_custom_attrs_from_class (delegate_klass);
8815 attr = (MonoReflectionUnmanagedFunctionPointerAttribute*)mono_custom_attrs_get_attr (cinfo, UnmanagedFunctionPointerAttribute);
8817 memset (&piinfo, 0, sizeof (piinfo));
8819 piinfo.piflags = (attr->call_conv << 8) | (attr->charset ? (attr->charset - 1) * 2 : 1) | attr->set_last_error;
8821 csig->call_convention = attr->call_conv - 1;
8824 mono_custom_attrs_free (cinfo);
8828 mono_marshal_emit_managed_wrapper (mb, invoke_sig, mspecs, &m, method, this);
8831 res = mono_mb_create_and_cache (cache, method,
8832 mb, csig, sig->param_count + 16);
8835 res = mono_mb_create_method (mb, csig, sig->param_count + 16);
8839 for (i = mono_method_signature (invoke)->param_count; i >= 0; i--)
8841 mono_metadata_free_marshal_spec (mspecs [i]);
8844 /* 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)); */
8849 static MonoReflectionType *
8850 type_from_handle (MonoType *handle)
8852 MonoDomain *domain = mono_domain_get ();
8853 MonoClass *klass = mono_class_from_mono_type (handle);
8855 MONO_ARCH_SAVE_REGS;
8857 mono_class_init (klass);
8858 return mono_type_get_object (domain, handle);
8862 * mono_marshal_get_isinst:
8863 * @klass: the type of the field
8865 * This method generates a function which can be used to check if an object is
8866 * an instance of the given type, icluding the case where the object is a proxy.
8867 * The generated function has the following signature:
8868 * MonoObject* __isinst_wrapper_ (MonoObject *obj)
8871 mono_marshal_get_isinst (MonoClass *klass)
8873 static MonoMethodSignature *isint_sig = NULL;
8876 int pos_was_ok, pos_failed, pos_end, pos_end2;
8878 MonoMethodBuilder *mb;
8880 cache = klass->image->isinst_cache;
8881 if ((res = mono_marshal_find_in_cache (cache, klass)))
8885 isint_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
8886 isint_sig->params [0] = &mono_defaults.object_class->byval_arg;
8887 isint_sig->ret = &mono_defaults.object_class->byval_arg;
8888 isint_sig->pinvoke = 0;
8891 name = g_strdup_printf ("__isinst_wrapper_%s", klass->name);
8892 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_ISINST);
8895 mb->method->save_lmf = 1;
8897 /* check if the object is a proxy that needs special cast */
8898 mono_mb_emit_ldarg (mb, 0);
8899 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
8900 mono_mb_emit_op (mb, CEE_MONO_CISINST, klass);
8902 /* The result of MONO_ISINST can be:
8903 0) the type check succeeded
8904 1) the type check did not succeed
8905 2) a CanCastTo call is needed */
8907 mono_mb_emit_byte (mb, CEE_DUP);
8908 pos_was_ok = mono_mb_emit_branch (mb, CEE_BRFALSE);
8910 mono_mb_emit_byte (mb, CEE_LDC_I4_2);
8911 pos_failed = mono_mb_emit_branch (mb, CEE_BNE_UN);
8913 /* get the real proxy from the transparent proxy*/
8915 mono_mb_emit_ldarg (mb, 0);
8916 mono_mb_emit_managed_call (mb, mono_marshal_get_proxy_cancast (klass), NULL);
8917 pos_end = mono_mb_emit_branch (mb, CEE_BR);
8921 mono_mb_patch_addr (mb, pos_failed, mb->pos - (pos_failed + 4));
8922 mono_mb_emit_byte (mb, CEE_LDNULL);
8923 pos_end2 = mono_mb_emit_branch (mb, CEE_BR);
8927 mono_mb_patch_addr (mb, pos_was_ok, mb->pos - (pos_was_ok + 4));
8928 mono_mb_emit_byte (mb, CEE_POP);
8929 mono_mb_emit_ldarg (mb, 0);
8933 mono_mb_patch_addr (mb, pos_end, mb->pos - (pos_end + 4));
8934 mono_mb_patch_addr (mb, pos_end2, mb->pos - (pos_end2 + 4));
8935 mono_mb_emit_byte (mb, CEE_RET);
8937 res = mono_mb_create_and_cache (cache, klass, mb, isint_sig, isint_sig->param_count + 16);
8944 * mono_marshal_get_castclass:
8945 * @klass: the type of the field
8947 * This method generates a function which can be used to cast an object to
8948 * an instance of the given type, icluding the case where the object is a proxy.
8949 * The generated function has the following signature:
8950 * MonoObject* __castclass_wrapper_ (MonoObject *obj)
8953 mono_marshal_get_castclass (MonoClass *klass)
8955 static MonoMethodSignature *castclass_sig = NULL;
8958 int pos_was_ok, pos_was_ok2;
8960 MonoMethodBuilder *mb;
8962 cache = klass->image->castclass_cache;
8963 if ((res = mono_marshal_find_in_cache (cache, klass)))
8966 if (!castclass_sig) {
8967 castclass_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
8968 castclass_sig->params [0] = &mono_defaults.object_class->byval_arg;
8969 castclass_sig->ret = &mono_defaults.object_class->byval_arg;
8970 castclass_sig->pinvoke = 0;
8973 name = g_strdup_printf ("__castclass_wrapper_%s", klass->name);
8974 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_CASTCLASS);
8977 mb->method->save_lmf = 1;
8979 /* check if the object is a proxy that needs special cast */
8980 mono_mb_emit_ldarg (mb, 0);
8981 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
8982 mono_mb_emit_op (mb, CEE_MONO_CCASTCLASS, klass);
8984 /* The result of MONO_ISINST can be:
8985 0) the cast is valid
8986 1) cast of unknown proxy type
8987 or an exception if the cast is is invalid
8990 pos_was_ok = mono_mb_emit_branch (mb, CEE_BRFALSE);
8992 /* get the real proxy from the transparent proxy*/
8994 mono_mb_emit_ldarg (mb, 0);
8995 mono_mb_emit_managed_call (mb, mono_marshal_get_proxy_cancast (klass), NULL);
8996 pos_was_ok2 = mono_mb_emit_branch (mb, CEE_BRTRUE);
8999 mono_mb_emit_exception (mb, "InvalidCastException", NULL);
9002 mono_mb_patch_addr (mb, pos_was_ok, mb->pos - (pos_was_ok + 4));
9003 mono_mb_patch_addr (mb, pos_was_ok2, mb->pos - (pos_was_ok2 + 4));
9004 mono_mb_emit_ldarg (mb, 0);
9007 mono_mb_emit_byte (mb, CEE_RET);
9009 res = mono_mb_create_and_cache (cache, klass, mb, castclass_sig, castclass_sig->param_count + 16);
9016 mono_marshal_get_proxy_cancast (MonoClass *klass)
9018 static MonoMethodSignature *isint_sig = NULL;
9021 int pos_failed, pos_end;
9023 MonoMethod *can_cast_to;
9024 MonoMethodDesc *desc;
9025 MonoMethodBuilder *mb;
9027 cache = klass->image->proxy_isinst_cache;
9028 if ((res = mono_marshal_find_in_cache (cache, klass)))
9032 isint_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
9033 isint_sig->params [0] = &mono_defaults.object_class->byval_arg;
9034 isint_sig->ret = &mono_defaults.object_class->byval_arg;
9035 isint_sig->pinvoke = 0;
9038 name = g_strdup_printf ("__proxy_isinst_wrapper_%s", klass->name);
9039 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_PROXY_ISINST);
9042 mb->method->save_lmf = 1;
9044 /* get the real proxy from the transparent proxy*/
9045 mono_mb_emit_ldarg (mb, 0);
9046 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
9047 mono_mb_emit_byte (mb, CEE_LDIND_REF);
9049 /* get the reflection type from the type handle */
9050 mono_mb_emit_ptr (mb, &klass->byval_arg);
9051 mono_mb_emit_icall (mb, type_from_handle);
9053 mono_mb_emit_ldarg (mb, 0);
9055 /* make the call to CanCastTo (type, ob) */
9056 desc = mono_method_desc_new ("IRemotingTypeInfo:CanCastTo", FALSE);
9057 can_cast_to = mono_method_desc_search_in_class (desc, mono_defaults.iremotingtypeinfo_class);
9058 g_assert (can_cast_to);
9059 mono_method_desc_free (desc);
9060 mono_mb_emit_op (mb, CEE_CALLVIRT, can_cast_to);
9062 pos_failed = mono_mb_emit_branch (mb, CEE_BRFALSE);
9064 /* Upgrade the proxy vtable by calling: mono_upgrade_remote_class_wrapper (type, ob)*/
9065 mono_mb_emit_ptr (mb, &klass->byval_arg);
9066 mono_mb_emit_icall (mb, type_from_handle);
9067 mono_mb_emit_ldarg (mb, 0);
9069 mono_mb_emit_icall (mb, mono_upgrade_remote_class_wrapper);
9070 emit_thread_interrupt_checkpoint (mb);
9072 mono_mb_emit_ldarg (mb, 0);
9073 pos_end = mono_mb_emit_branch (mb, CEE_BR);
9077 mono_mb_patch_addr (mb, pos_failed, mb->pos - (pos_failed + 4));
9078 mono_mb_emit_byte (mb, CEE_LDNULL);
9082 mono_mb_patch_addr (mb, pos_end, mb->pos - (pos_end + 4));
9083 mono_mb_emit_byte (mb, CEE_RET);
9085 res = mono_mb_create_and_cache (cache, klass, mb, isint_sig, isint_sig->param_count + 16);
9092 mono_upgrade_remote_class_wrapper (MonoReflectionType *rtype, MonoTransparentProxy *tproxy)
9095 MonoDomain *domain = ((MonoObject*)tproxy)->vtable->domain;
9096 klass = mono_class_from_mono_type (rtype->type);
9097 mono_upgrade_remote_class (domain, (MonoObject*)tproxy, klass);
9101 * mono_marshal_get_struct_to_ptr:
9104 * generates IL code for StructureToPtr (object structure, IntPtr ptr, bool fDeleteOld)
9107 mono_marshal_get_struct_to_ptr (MonoClass *klass)
9109 MonoMethodBuilder *mb;
9110 static MonoMethod *stoptr = NULL;
9113 g_assert (klass != NULL);
9115 mono_marshal_load_type_info (klass);
9117 if (klass->marshal_info->str_to_ptr)
9118 return klass->marshal_info->str_to_ptr;
9121 stoptr = mono_class_get_method_from_name (mono_defaults.marshal_class, "StructureToPtr", 3);
9124 mb = mono_mb_new (klass, stoptr->name, MONO_WRAPPER_UNKNOWN);
9126 if (klass->blittable) {
9127 mono_mb_emit_byte (mb, CEE_LDARG_1);
9128 mono_mb_emit_byte (mb, CEE_LDARG_0);
9129 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
9130 mono_mb_emit_icon (mb, mono_class_value_size (klass, NULL));
9131 mono_mb_emit_byte (mb, CEE_PREFIX1);
9132 mono_mb_emit_byte (mb, CEE_CPBLK);
9135 /* allocate local 0 (pointer) src_ptr */
9136 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9137 /* allocate local 1 (pointer) dst_ptr */
9138 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9139 /* allocate local 2 (boolean) delete_old */
9140 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
9141 mono_mb_emit_byte (mb, CEE_LDARG_2);
9142 mono_mb_emit_stloc (mb, 2);
9144 /* initialize src_ptr to point to the start of object data */
9145 mono_mb_emit_byte (mb, CEE_LDARG_0);
9146 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
9147 mono_mb_emit_stloc (mb, 0);
9149 /* initialize dst_ptr */
9150 mono_mb_emit_byte (mb, CEE_LDARG_1);
9151 mono_mb_emit_stloc (mb, 1);
9153 emit_struct_conv (mb, klass, FALSE);
9156 mono_mb_emit_byte (mb, CEE_RET);
9158 res = mono_mb_create_method (mb, mono_method_signature (stoptr), 0);
9161 klass->marshal_info->str_to_ptr = res;
9166 * mono_marshal_get_ptr_to_struct:
9169 * generates IL code for PtrToStructure (IntPtr src, object structure)
9172 mono_marshal_get_ptr_to_struct (MonoClass *klass)
9174 MonoMethodBuilder *mb;
9175 static MonoMethodSignature *ptostr = NULL;
9178 g_assert (klass != NULL);
9180 mono_marshal_load_type_info (klass);
9182 if (klass->marshal_info->ptr_to_str)
9183 return klass->marshal_info->ptr_to_str;
9186 /* Create the signature corresponding to
9187 static void PtrToStructure (IntPtr ptr, object structure);
9188 defined in class/corlib/System.Runtime.InteropServices/Marshal.cs */
9189 ptostr = mono_create_icall_signature ("void ptr object");
9191 mb = mono_mb_new (klass, "PtrToStructure", MONO_WRAPPER_UNKNOWN);
9193 if (klass->blittable) {
9194 mono_mb_emit_byte (mb, CEE_LDARG_1);
9195 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
9196 mono_mb_emit_byte (mb, CEE_LDARG_0);
9197 mono_mb_emit_icon (mb, mono_class_value_size (klass, NULL));
9198 mono_mb_emit_byte (mb, CEE_PREFIX1);
9199 mono_mb_emit_byte (mb, CEE_CPBLK);
9202 /* allocate local 0 (pointer) src_ptr */
9203 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9204 /* allocate local 1 (pointer) dst_ptr */
9205 mono_mb_add_local (mb, &klass->this_arg);
9207 /* initialize src_ptr to point to the start of object data */
9208 mono_mb_emit_byte (mb, CEE_LDARG_0);
9209 mono_mb_emit_stloc (mb, 0);
9211 /* initialize dst_ptr */
9212 mono_mb_emit_byte (mb, CEE_LDARG_1);
9213 mono_mb_emit_op (mb, CEE_UNBOX, klass);
9214 mono_mb_emit_stloc (mb, 1);
9216 emit_struct_conv (mb, klass, TRUE);
9219 mono_mb_emit_byte (mb, CEE_RET);
9221 res = mono_mb_create_method (mb, ptostr, 0);
9224 klass->marshal_info->ptr_to_str = res;
9229 * generates IL code for the synchronized wrapper: the generated method
9230 * calls METHOD while locking 'this' or the parent type.
9233 mono_marshal_get_synchronized_wrapper (MonoMethod *method)
9235 static MonoMethod *enter_method, *exit_method;
9236 MonoMethodSignature *sig;
9237 MonoExceptionClause *clause;
9238 MonoMethodHeader *header;
9239 MonoMethodBuilder *mb;
9242 int i, pos, this_local, ret_local = 0;
9246 if (method->wrapper_type == MONO_WRAPPER_SYNCHRONIZED)
9249 cache = method->klass->image->synchronized_cache;
9250 if ((res = mono_marshal_find_in_cache (cache, method)))
9253 sig = signature_dup (method->klass->image, mono_method_signature (method));
9256 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_SYNCHRONIZED);
9259 if (!MONO_TYPE_IS_VOID (sig->ret))
9260 ret_local = mono_mb_add_local (mb, sig->ret);
9263 this_local = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
9265 mono_loader_lock ();
9266 clause = mono_mempool_alloc0 (method->klass->image->mempool, sizeof (MonoExceptionClause));
9267 mono_loader_unlock ();
9268 clause->flags = MONO_EXCEPTION_CLAUSE_FINALLY;
9270 if (!enter_method) {
9271 MonoMethodDesc *desc;
9273 desc = mono_method_desc_new ("Monitor:Enter", FALSE);
9274 enter_method = mono_method_desc_search_in_class (desc, mono_defaults.monitor_class);
9275 g_assert (enter_method);
9276 mono_method_desc_free (desc);
9277 desc = mono_method_desc_new ("Monitor:Exit", FALSE);
9278 exit_method = mono_method_desc_search_in_class (desc, mono_defaults.monitor_class);
9279 g_assert (exit_method);
9280 mono_method_desc_free (desc);
9283 /* Push this or the type object */
9284 if (method->flags & METHOD_ATTRIBUTE_STATIC) {
9286 * GetTypeFromHandle isn't called as a managed method because it has
9287 * a funky calling sequence, e.g. ldtoken+GetTypeFromHandle gets
9288 * transformed into something else by the JIT.
9290 mono_mb_emit_ptr (mb, &method->klass->byval_arg);
9291 mono_mb_emit_icall (mb, type_from_handle);
9294 mono_mb_emit_ldarg (mb, 0);
9295 mono_mb_emit_stloc (mb, this_local);
9297 /* Call Monitor::Enter() */
9298 mono_mb_emit_ldloc (mb, this_local);
9299 mono_mb_emit_managed_call (mb, enter_method, NULL);
9301 clause->try_offset = mb->pos;
9303 /* Call the method */
9305 mono_mb_emit_ldarg (mb, 0);
9306 for (i = 0; i < sig->param_count; i++)
9307 mono_mb_emit_ldarg (mb, i + (sig->hasthis == TRUE));
9309 /* this is needed to avoid recursion */
9310 mono_mb_emit_byte (mb, CEE_PREFIX1);
9311 mono_mb_emit_op (mb, CEE_LDFTN, method);
9312 mono_mb_emit_calli (mb, mono_method_signature (method));
9314 if (!MONO_TYPE_IS_VOID (sig->ret))
9315 mono_mb_emit_stloc (mb, ret_local);
9317 pos = mono_mb_emit_branch (mb, CEE_LEAVE);
9319 clause->try_len = mb->pos - clause->try_offset;
9320 clause->handler_offset = mb->pos;
9322 /* Call Monitor::Exit() */
9323 mono_mb_emit_ldloc (mb, this_local);
9324 /* mono_mb_emit_native_call (mb, exit_sig, mono_monitor_exit); */
9325 mono_mb_emit_managed_call (mb, exit_method, NULL);
9326 mono_mb_emit_byte (mb, CEE_ENDFINALLY);
9328 clause->handler_len = mb->pos - clause->handler_offset;
9330 mono_mb_patch_branch (mb, pos);
9331 if (!MONO_TYPE_IS_VOID (sig->ret))
9332 mono_mb_emit_ldloc (mb, ret_local);
9333 mono_mb_emit_byte (mb, CEE_RET);
9335 res = mono_mb_create_and_cache (cache, method,
9336 mb, sig, sig->param_count + 16);
9339 header = ((MonoMethodNormal *)res)->header;
9340 header->num_clauses = 1;
9341 header->clauses = clause;
9348 * the returned method calls 'method' unboxing the this argument
9351 mono_marshal_get_unbox_wrapper (MonoMethod *method)
9353 MonoMethodSignature *sig = mono_method_signature (method);
9355 MonoMethodBuilder *mb;
9359 cache = method->klass->image->unbox_wrapper_cache;
9360 if ((res = mono_marshal_find_in_cache (cache, method)))
9363 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_UNBOX);
9365 g_assert (sig->hasthis);
9367 mono_mb_emit_ldarg (mb, 0);
9368 mono_mb_emit_icon (mb, sizeof (MonoObject));
9369 mono_mb_emit_byte (mb, CEE_ADD);
9370 for (i = 0; i < sig->param_count; ++i)
9371 mono_mb_emit_ldarg (mb, i + 1);
9372 mono_mb_emit_managed_call (mb, method, NULL);
9373 mono_mb_emit_byte (mb, CEE_RET);
9375 res = mono_mb_create_and_cache (cache, method,
9376 mb, sig, sig->param_count + 16);
9379 /* 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)); */
9385 mono_marshal_get_stelemref ()
9387 static MonoMethod* ret = NULL;
9388 MonoMethodSignature *sig;
9389 MonoMethodBuilder *mb;
9391 guint32 b1, b2, b3, b4;
9394 int array_slot_addr;
9399 mb = mono_mb_new (mono_defaults.object_class, "stelemref", MONO_WRAPPER_STELEMREF);
9402 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
9404 /* void stelemref (void* array, int idx, void* value) */
9405 sig->ret = &mono_defaults.void_class->byval_arg;
9406 sig->params [0] = &mono_defaults.object_class->byval_arg;
9407 sig->params [1] = &mono_defaults.int_class->byval_arg; /* this is a natural sized int */
9408 sig->params [2] = &mono_defaults.object_class->byval_arg;
9410 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9411 vklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9412 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
9416 <ldelema (bound check)>
9420 aklass = array->vtable->klass->element_class;
9421 vklass = value->vtable->klass;
9423 if (vklass->idepth < aklass->idepth)
9426 if (vklass->supertypes [aklass->idepth - 1] != aklass)
9430 *array_slot_addr = value;
9434 if (mono_object_isinst (value, aklass))
9437 throw new ArrayTypeMismatchException ();
9440 /* ldelema (implicit bound check) */
9441 mono_mb_emit_ldarg (mb, 0);
9442 mono_mb_emit_ldarg (mb, 1);
9443 mono_mb_emit_op (mb, CEE_LDELEMA, mono_defaults.object_class);
9444 mono_mb_emit_stloc (mb, array_slot_addr);
9446 /* if (!value) goto do_store */
9447 mono_mb_emit_ldarg (mb, 2);
9448 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
9450 /* aklass = array->vtable->klass->element_class */
9451 mono_mb_emit_ldarg (mb, 0);
9452 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
9453 mono_mb_emit_byte (mb, CEE_LDIND_I);
9454 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, klass));
9455 mono_mb_emit_byte (mb, CEE_LDIND_I);
9456 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, element_class));
9457 mono_mb_emit_byte (mb, CEE_LDIND_I);
9458 mono_mb_emit_stloc (mb, aklass);
9460 /* vklass = value->vtable->klass */
9461 mono_mb_emit_ldarg (mb, 2);
9462 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
9463 mono_mb_emit_byte (mb, CEE_LDIND_I);
9464 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, klass));
9465 mono_mb_emit_byte (mb, CEE_LDIND_I);
9466 mono_mb_emit_stloc (mb, vklass);
9468 /* if (vklass->idepth < aklass->idepth) goto failue */
9469 mono_mb_emit_ldloc (mb, vklass);
9470 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
9471 mono_mb_emit_byte (mb, CEE_LDIND_U2);
9473 mono_mb_emit_ldloc (mb, aklass);
9474 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
9475 mono_mb_emit_byte (mb, CEE_LDIND_U2);
9477 b2 = mono_mb_emit_branch (mb, CEE_BLT_UN);
9479 /* if (vklass->supertypes [aklass->idepth - 1] != aklass) goto failure */
9480 mono_mb_emit_ldloc (mb, vklass);
9481 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, supertypes));
9482 mono_mb_emit_byte (mb, CEE_LDIND_I);
9484 mono_mb_emit_ldloc (mb, aklass);
9485 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
9486 mono_mb_emit_byte (mb, CEE_LDIND_U2);
9487 mono_mb_emit_icon (mb, 1);
9488 mono_mb_emit_byte (mb, CEE_SUB);
9489 mono_mb_emit_icon (mb, sizeof (void*));
9490 mono_mb_emit_byte (mb, CEE_MUL);
9491 mono_mb_emit_byte (mb, CEE_ADD);
9492 mono_mb_emit_byte (mb, CEE_LDIND_I);
9494 mono_mb_emit_ldloc (mb, aklass);
9496 b3 = mono_mb_emit_branch (mb, CEE_BNE_UN);
9500 mono_mb_patch_branch (mb, b1);
9501 mono_mb_emit_ldloc (mb, array_slot_addr);
9502 mono_mb_emit_ldarg (mb, 2);
9503 mono_mb_emit_byte (mb, CEE_STIND_REF);
9505 mono_mb_emit_byte (mb, CEE_RET);
9508 mono_mb_patch_branch (mb, b2);
9509 mono_mb_patch_branch (mb, b3);
9511 mono_mb_emit_ldarg (mb, 2);
9512 mono_mb_emit_ldloc (mb, aklass);
9513 mono_mb_emit_icall (mb, mono_object_isinst);
9515 b4 = mono_mb_emit_branch (mb, CEE_BRTRUE);
9516 mono_mb_patch_addr (mb, b4, copy_pos - (b4 + 4));
9517 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
9519 mono_mb_emit_byte (mb, CEE_RET);
9520 ret = mono_mb_create_method (mb, sig, 4);
9531 /* LOCKING: vars accessed under the marshal lock */
9532 static ArrayElemAddr *elem_addr_cache = NULL;
9533 static int elem_addr_cache_size = 0;
9534 static int elem_addr_cache_next = 0;
9537 * mono_marshal_get_array_address:
9538 * @rank: rank of the array type
9539 * @elem_size: size in bytes of an element of an array.
9541 * Returns a MonoMethd that implements the code to get the address
9542 * of an element in a multi-dimenasional array of @rank dimensions.
9543 * The returned method takes an array as the first argument and then
9544 * @rank indexes for the @rank dimensions.
9547 mono_marshal_get_array_address (int rank, int elem_size)
9550 MonoMethodBuilder *mb;
9551 MonoMethodSignature *sig;
9552 int i, bounds, ind, realidx;
9553 int branch_pos, *branch_positions;
9557 mono_marshal_lock ();
9558 for (i = 0; i < elem_addr_cache_next; ++i) {
9559 if (elem_addr_cache [i].rank == rank && elem_addr_cache [i].elem_size == elem_size) {
9560 ret = elem_addr_cache [i].method;
9564 mono_marshal_unlock ();
9568 branch_positions = g_new0 (int, rank);
9570 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1 + rank);
9572 /* void* address (void* array, int idx0, int idx1, int idx2, ...) */
9573 sig->ret = &mono_defaults.int_class->byval_arg;
9574 sig->params [0] = &mono_defaults.object_class->byval_arg;
9575 for (i = 0; i < rank; ++i) {
9576 sig->params [i + 1] = &mono_defaults.int32_class->byval_arg;
9579 mb = mono_mb_new (mono_defaults.object_class, "ElementAddr", MONO_WRAPPER_MANAGED_TO_MANAGED);
9581 bounds = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9582 ind = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
9583 realidx = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
9585 /* bounds = array->bounds; */
9586 mono_mb_emit_ldarg (mb, 0);
9587 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoArray, bounds));
9588 mono_mb_emit_byte (mb, CEE_LDIND_I);
9589 mono_mb_emit_stloc (mb, bounds);
9591 /* ind is the overall element index, realidx is the partial index in a single dimension */
9592 /* ind = idx0 - bounds [0].lower_bound */
9593 mono_mb_emit_ldarg (mb, 1);
9594 mono_mb_emit_ldloc (mb, bounds);
9595 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArrayBounds, lower_bound));
9596 mono_mb_emit_byte (mb, CEE_ADD);
9597 mono_mb_emit_byte (mb, CEE_LDIND_I4);
9598 mono_mb_emit_byte (mb, CEE_SUB);
9599 mono_mb_emit_stloc (mb, ind);
9600 /* if (ind >= bounds [0].length) goto exeception; */
9601 mono_mb_emit_ldloc (mb, ind);
9602 mono_mb_emit_ldloc (mb, bounds);
9603 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArrayBounds, length));
9604 mono_mb_emit_byte (mb, CEE_ADD);
9605 mono_mb_emit_byte (mb, CEE_LDIND_I4);
9606 /* note that we use unsigned comparison */
9607 branch_pos = mono_mb_emit_branch (mb, CEE_BGE_UN);
9609 /* For large ranks (> 4?) use a loop n IL later to reduce code size.
9610 * We could also decide to ignore the passed elem_size and get it
9611 * from the array object, to reduce the number of methods we generate:
9612 * the additional cost is 3 memory loads and a non-immediate mul.
9614 for (i = 1; i < rank; ++i) {
9615 /* realidx = idxi - bounds [i].lower_bound */
9616 mono_mb_emit_ldarg (mb, 1 + i);
9617 mono_mb_emit_ldloc (mb, bounds);
9618 mono_mb_emit_icon (mb, (i * sizeof (MonoArrayBounds)) + G_STRUCT_OFFSET (MonoArrayBounds, lower_bound));
9619 mono_mb_emit_byte (mb, CEE_ADD);
9620 mono_mb_emit_byte (mb, CEE_LDIND_I4);
9621 mono_mb_emit_byte (mb, CEE_SUB);
9622 mono_mb_emit_stloc (mb, realidx);
9623 /* if (realidx >= bounds [i].length) goto exeception; */
9624 mono_mb_emit_ldloc (mb, realidx);
9625 mono_mb_emit_ldloc (mb, bounds);
9626 mono_mb_emit_icon (mb, (i * sizeof (MonoArrayBounds)) + G_STRUCT_OFFSET (MonoArrayBounds, length));
9627 mono_mb_emit_byte (mb, CEE_ADD);
9628 mono_mb_emit_byte (mb, CEE_LDIND_I4);
9629 branch_positions [i] = mono_mb_emit_branch (mb, CEE_BGE_UN);
9630 /* ind = ind * bounds [i].length + realidx */
9631 mono_mb_emit_ldloc (mb, ind);
9632 mono_mb_emit_ldloc (mb, bounds);
9633 mono_mb_emit_icon (mb, (i * sizeof (MonoArrayBounds)) + G_STRUCT_OFFSET (MonoArrayBounds, length));
9634 mono_mb_emit_byte (mb, CEE_ADD);
9635 mono_mb_emit_byte (mb, CEE_LDIND_I4);
9636 mono_mb_emit_byte (mb, CEE_MUL);
9637 mono_mb_emit_ldloc (mb, realidx);
9638 mono_mb_emit_byte (mb, CEE_ADD);
9639 mono_mb_emit_stloc (mb, ind);
9642 /* return array->vector + ind * element_size */
9643 mono_mb_emit_ldarg (mb, 0);
9644 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoArray, vector));
9645 mono_mb_emit_ldloc (mb, ind);
9646 mono_mb_emit_icon (mb, elem_size);
9647 mono_mb_emit_byte (mb, CEE_MUL);
9648 mono_mb_emit_byte (mb, CEE_ADD);
9649 mono_mb_emit_byte (mb, CEE_RET);
9651 /* patch the branches to get here and throw */
9652 for (i = 1; i < rank; ++i) {
9653 mono_mb_patch_branch (mb, branch_positions [i]);
9655 mono_mb_patch_branch (mb, branch_pos);
9656 /* throw exception */
9657 mono_mb_emit_exception (mb, "IndexOutOfRangeException", NULL);
9659 g_free (branch_positions);
9660 ret = mono_mb_create_method (mb, sig, 4);
9663 /* cache the result */
9665 mono_marshal_lock ();
9666 for (i = 0; i < elem_addr_cache_next; ++i) {
9667 if (elem_addr_cache [i].rank == rank && elem_addr_cache [i].elem_size == elem_size) {
9668 /* FIXME: free ret */
9669 ret = elem_addr_cache [i].method;
9675 if (elem_addr_cache_next >= elem_addr_cache_size) {
9676 int new_size = elem_addr_cache_size + 4;
9677 ArrayElemAddr *new_array = g_new0 (ArrayElemAddr, new_size);
9678 memcpy (new_array, elem_addr_cache, elem_addr_cache_size * sizeof (ArrayElemAddr));
9679 g_free (elem_addr_cache);
9680 elem_addr_cache = new_array;
9681 elem_addr_cache_size = new_size;
9683 elem_addr_cache [elem_addr_cache_next].rank = rank;
9684 elem_addr_cache [elem_addr_cache_next].elem_size = elem_size;
9685 elem_addr_cache [elem_addr_cache_next].method = ret;
9687 mono_marshal_unlock ();
9692 mono_marshal_get_write_barrier (void)
9694 static MonoMethod* ret = NULL;
9695 MonoMethodSignature *sig;
9696 MonoMethodBuilder *mb;
9702 mb = mono_mb_new (mono_defaults.object_class, "writebarrier", MONO_WRAPPER_WRITE_BARRIER);
9704 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 2);
9706 /* void writebarrier (MonoObject** addr, MonoObject* obj) */
9707 sig->ret = &mono_defaults.void_class->byval_arg;
9708 sig->params [0] = &mono_defaults.object_class->this_arg;
9709 sig->params [1] = &mono_defaults.object_class->byval_arg;
9711 /* just the store right now: add an hook for the GC to use, maybe something
9712 * that can be used for stelemref as well
9713 * We need a write barrier variant to be used with struct copies as well, though
9714 * there are also other approaches possible, like writing a wrapper specific to
9715 * the struct or to the reference pattern in the struct...
9716 * Depending on the GC, we may want variants that take the object we store to
9717 * when it is available.
9719 mono_mb_emit_ldarg (mb, 0);
9720 mono_mb_emit_ldarg (mb, 1);
9721 mono_mb_emit_icall (mb, mono_gc_wbarrier_generic_store);
9722 /*mono_mb_emit_byte (mb, CEE_STIND_REF);*/
9724 mono_mb_emit_byte (mb, CEE_RET);
9726 ret = mono_mb_create_method (mb, sig, max_stack);
9732 mono_marshal_alloc (gulong size)
9736 #ifdef PLATFORM_WIN32
9737 res = CoTaskMemAlloc (size);
9739 res = g_try_malloc ((gulong)size);
9741 mono_gc_out_of_memory ((gulong)size);
9747 mono_marshal_free (gpointer ptr)
9749 #ifdef PLATFORM_WIN32
9750 CoTaskMemFree (ptr);
9757 mono_marshal_free_array (gpointer *ptr, int size)
9764 for (i = 0; i < size; i++)
9770 mono_marshal_string_to_utf16 (MonoString *s)
9772 return s ? mono_string_chars (s) : NULL;
9776 * mono_marshal_set_last_error:
9778 * This function is invoked to set the last error value from a P/Invoke call
9779 * which has SetLastError set.
9782 mono_marshal_set_last_error (void)
9785 TlsSetValue (last_error_tls_id, GINT_TO_POINTER (GetLastError ()));
9787 TlsSetValue (last_error_tls_id, GINT_TO_POINTER (errno));
9792 mono_marshal_set_last_error_windows (int error)
9795 TlsSetValue (last_error_tls_id, GINT_TO_POINTER (error));
9800 ves_icall_System_Runtime_InteropServices_Marshal_copy_to_unmanaged (MonoArray *src, gint32 start_index,
9801 gpointer dest, gint32 length)
9806 MONO_ARCH_SAVE_REGS;
9808 MONO_CHECK_ARG_NULL (src);
9809 MONO_CHECK_ARG_NULL (dest);
9811 if (src->obj.vtable->klass->rank != 1)
9812 mono_raise_exception (mono_get_exception_argument ("array", "array is multi-dimensional"));
9813 if (start_index < 0)
9814 mono_raise_exception (mono_get_exception_argument ("startIndex", "Must be >= 0"));
9816 mono_raise_exception (mono_get_exception_argument ("length", "Must be >= 0"));
9817 if (start_index + length > mono_array_length (src))
9818 mono_raise_exception (mono_get_exception_argument ("length", "start_index + length > array length"));
9820 element_size = mono_array_element_size (src->obj.vtable->klass);
9822 /* no references should be involved */
9823 source_addr = mono_array_addr_with_size (src, element_size, start_index);
9825 memcpy (dest, source_addr, length * element_size);
9829 ves_icall_System_Runtime_InteropServices_Marshal_copy_from_unmanaged (gpointer src, gint32 start_index,
9830 MonoArray *dest, gint32 length)
9835 MONO_ARCH_SAVE_REGS;
9837 MONO_CHECK_ARG_NULL (src);
9838 MONO_CHECK_ARG_NULL (dest);
9840 if (dest->obj.vtable->klass->rank != 1)
9841 mono_raise_exception (mono_get_exception_argument ("array", "array is multi-dimensional"));
9842 if (start_index < 0)
9843 mono_raise_exception (mono_get_exception_argument ("startIndex", "Must be >= 0"));
9845 mono_raise_exception (mono_get_exception_argument ("length", "Must be >= 0"));
9846 if (start_index + length > mono_array_length (dest))
9847 mono_raise_exception (mono_get_exception_argument ("length", "start_index + length > array length"));
9849 element_size = mono_array_element_size (dest->obj.vtable->klass);
9851 /* no references should be involved */
9852 dest_addr = mono_array_addr_with_size (dest, element_size, start_index);
9854 memcpy (dest_addr, src, length * element_size);
9857 #if NO_UNALIGNED_ACCESS
9858 #define RETURN_UNALIGNED(type, addr) \
9861 memcpy(&val, p + offset, sizeof(val)); \
9864 #define WRITE_UNALIGNED(type, addr, val) \
9865 memcpy(addr, &val, sizeof(type))
9867 #define RETURN_UNALIGNED(type, addr) \
9868 return *(type*)(p + offset);
9869 #define WRITE_UNALIGNED(type, addr, val) \
9870 (*(type *)(addr) = (val))
9874 ves_icall_System_Runtime_InteropServices_Marshal_ReadIntPtr (gpointer ptr, gint32 offset)
9878 MONO_ARCH_SAVE_REGS;
9880 RETURN_UNALIGNED(gpointer, p + offset);
9884 ves_icall_System_Runtime_InteropServices_Marshal_ReadByte (gpointer ptr, gint32 offset)
9888 MONO_ARCH_SAVE_REGS;
9890 return *(unsigned char*)(p + offset);
9894 ves_icall_System_Runtime_InteropServices_Marshal_ReadInt16 (gpointer ptr, gint32 offset)
9898 MONO_ARCH_SAVE_REGS;
9900 RETURN_UNALIGNED(gint16, p + offset);
9904 ves_icall_System_Runtime_InteropServices_Marshal_ReadInt32 (gpointer ptr, gint32 offset)
9908 MONO_ARCH_SAVE_REGS;
9910 RETURN_UNALIGNED(gint32, p + offset);
9914 ves_icall_System_Runtime_InteropServices_Marshal_ReadInt64 (gpointer ptr, gint32 offset)
9918 MONO_ARCH_SAVE_REGS;
9920 RETURN_UNALIGNED(gint64, p + offset);
9924 ves_icall_System_Runtime_InteropServices_Marshal_WriteByte (gpointer ptr, gint32 offset, unsigned char val)
9928 MONO_ARCH_SAVE_REGS;
9930 *(unsigned char*)(p + offset) = val;
9934 ves_icall_System_Runtime_InteropServices_Marshal_WriteIntPtr (gpointer ptr, gint32 offset, gpointer val)
9938 MONO_ARCH_SAVE_REGS;
9940 WRITE_UNALIGNED(gpointer, p + offset, val);
9944 ves_icall_System_Runtime_InteropServices_Marshal_WriteInt16 (gpointer ptr, gint32 offset, gint16 val)
9948 MONO_ARCH_SAVE_REGS;
9950 WRITE_UNALIGNED(gint16, p + offset, val);
9954 ves_icall_System_Runtime_InteropServices_Marshal_WriteInt32 (gpointer ptr, gint32 offset, gint32 val)
9958 MONO_ARCH_SAVE_REGS;
9960 WRITE_UNALIGNED(gint32, p + offset, val);
9964 ves_icall_System_Runtime_InteropServices_Marshal_WriteInt64 (gpointer ptr, gint32 offset, gint64 val)
9968 MONO_ARCH_SAVE_REGS;
9970 WRITE_UNALIGNED(gint64, p + offset, val);
9974 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringAnsi (char *ptr)
9976 MONO_ARCH_SAVE_REGS;
9981 return mono_string_new (mono_domain_get (), ptr);
9985 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringAnsi_len (char *ptr, gint32 len)
9987 MONO_ARCH_SAVE_REGS;
9990 mono_raise_exception (mono_get_exception_argument_null ("ptr"));
9991 g_assert_not_reached ();
9994 return mono_string_new_len (mono_domain_get (), ptr, len);
9999 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringUni (guint16 *ptr)
10001 MonoDomain *domain = mono_domain_get ();
10005 MONO_ARCH_SAVE_REGS;
10013 return mono_string_new_utf16 (domain, ptr, len);
10017 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringUni_len (guint16 *ptr, gint32 len)
10019 MonoDomain *domain = mono_domain_get ();
10021 MONO_ARCH_SAVE_REGS;
10024 mono_raise_exception (mono_get_exception_argument_null ("ptr"));
10025 g_assert_not_reached ();
10028 return mono_string_new_utf16 (domain, ptr, len);
10033 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringBSTR (gpointer ptr)
10035 MONO_ARCH_SAVE_REGS;
10037 return mono_string_from_bstr(ptr);
10041 ves_icall_System_Runtime_InteropServices_Marshal_StringToBSTR (MonoString* ptr)
10043 MONO_ARCH_SAVE_REGS;
10045 return mono_string_to_bstr(ptr);
10050 int (STDCALL *QueryInterface)(gpointer pUnk, gpointer riid, gpointer* ppv);
10051 int (STDCALL *AddRef)(gpointer pUnk);
10052 int (STDCALL *Release)(gpointer pUnk);
10056 ves_icall_System_Runtime_InteropServices_Marshal_FreeBSTR (gpointer ptr)
10058 MONO_ARCH_SAVE_REGS;
10060 mono_free_bstr (ptr);
10064 ves_icall_System_Runtime_InteropServices_Marshal_AddRefInternal (gpointer pUnk)
10067 return (*(MonoIUnknown**)pUnk)->AddRef(pUnk);
10071 ves_icall_System_Runtime_InteropServices_Marshal_QueryInterfaceInternal (gpointer pUnk, gpointer riid, gpointer* ppv)
10074 return (*(MonoIUnknown**)pUnk)->QueryInterface(pUnk, riid, ppv);
10078 ves_icall_System_Runtime_InteropServices_Marshal_ReleaseInternal (gpointer pUnk)
10081 return (*(MonoIUnknown**)pUnk)->Release(pUnk);
10085 cominterop_get_idispatch_for_object (MonoObject* object)
10090 if (cominterop_object_is_rcw (object)) {
10091 /* FIXME: Implement this case */
10092 g_assert_not_reached ();
10096 return cominterop_get_ccw (object, mono_defaults.idispatch_class);
10101 ves_icall_System_Runtime_InteropServices_Marshal_GetIUnknownForObjectInternal (MonoObject* object)
10106 if (cominterop_object_is_rcw (object)) {
10107 MonoClass *klass = NULL;
10108 MonoRealProxy* real_proxy = NULL;
10111 klass = mono_object_class (object);
10112 if (klass != mono_defaults.transparent_proxy_class) {
10113 g_assert_not_reached ();
10117 real_proxy = ((MonoTransparentProxy*)object)->rp;
10119 g_assert_not_reached ();
10123 klass = mono_object_class (real_proxy);
10124 if (klass != mono_defaults.com_interop_proxy_class) {
10125 g_assert_not_reached ();
10129 if (!((MonoComInteropProxy*)real_proxy)->com_object) {
10130 g_assert_not_reached ();
10134 return ((MonoComInteropProxy*)real_proxy)->com_object->iunknown;
10137 return cominterop_get_ccw (object, mono_defaults.iunknown_class);
10142 ves_icall_System_Runtime_InteropServices_Marshal_GetObjectForCCW (void* pUnk)
10144 MonoObject* object = NULL;
10149 /* see if it is a CCW */
10150 object = cominterop_get_ccw_object ((MonoCCWInterface*)pUnk, TRUE);
10156 ves_icall_System_Runtime_InteropServices_Marshal_GetIDispatchForObjectInternal (MonoObject* object)
10158 return cominterop_get_idispatch_for_object (object);
10162 ves_icall_System_Runtime_InteropServices_Marshal_GetCCW (MonoObject* object, MonoReflectionType* type)
10164 MonoClass* klass = NULL;
10167 g_assert (type->type);
10168 klass = mono_type_get_class (type->type);
10170 itf = cominterop_get_ccw (object, klass);
10177 ves_icall_System_Runtime_InteropServices_Marshal_IsComObject (MonoObject* object)
10179 return (MonoBoolean)cominterop_object_is_rcw (object);
10183 ves_icall_System_Runtime_InteropServices_Marshal_ReleaseComObjectInternal (MonoObject* object)
10185 MonoComInteropProxy* proxy = NULL;
10186 gint32 ref_count = 0;
10189 g_assert (cominterop_object_is_rcw (object));
10191 proxy = (MonoComInteropProxy*)((MonoTransparentProxy*)object)->rp;
10194 ref_count = InterlockedDecrement (&proxy->ref_count);
10195 g_assert (ref_count >= 0);
10197 if (ref_count == 0)
10198 ves_icall_System_ComObject_ReleaseInterfaces (proxy->com_object);
10204 ves_icall_System_Runtime_InteropServices_Marshal_GetComSlotForMethodInfoInternal (MonoReflectionMethod *m)
10206 MONO_ARCH_SAVE_REGS;
10208 return cominterop_get_com_slot_for_method (m->method);
10212 ves_icall_System_Runtime_InteropServices_Marshal_GetLastWin32Error (void)
10214 MONO_ARCH_SAVE_REGS;
10216 return (GPOINTER_TO_INT (TlsGetValue (last_error_tls_id)));
10220 ves_icall_System_Runtime_InteropServices_Marshal_SizeOf (MonoReflectionType *rtype)
10226 MONO_ARCH_SAVE_REGS;
10228 MONO_CHECK_ARG_NULL (rtype);
10230 type = rtype->type;
10231 klass = mono_class_from_mono_type (type);
10232 layout = (klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK);
10234 if (layout == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
10236 MonoException *exc;
10238 msg = g_strdup_printf ("Type %s cannot be marshaled as an unmanaged structure.", klass->name);
10239 exc = mono_get_exception_argument ("t", msg);
10241 mono_raise_exception (exc);
10245 return mono_class_native_size (klass, NULL);
10249 ves_icall_System_Runtime_InteropServices_Marshal_StructureToPtr (MonoObject *obj, gpointer dst, MonoBoolean delete_old)
10251 MonoMethod *method;
10254 MONO_ARCH_SAVE_REGS;
10256 MONO_CHECK_ARG_NULL (obj);
10257 MONO_CHECK_ARG_NULL (dst);
10259 method = mono_marshal_get_struct_to_ptr (obj->vtable->klass);
10263 pa [2] = &delete_old;
10265 mono_runtime_invoke (method, NULL, pa, NULL);
10269 ptr_to_structure (gpointer src, MonoObject *dst)
10271 MonoMethod *method;
10274 method = mono_marshal_get_ptr_to_struct (dst->vtable->klass);
10279 mono_runtime_invoke (method, NULL, pa, NULL);
10283 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure (gpointer src, MonoObject *dst)
10287 MONO_ARCH_SAVE_REGS;
10289 MONO_CHECK_ARG_NULL (src);
10290 MONO_CHECK_ARG_NULL (dst);
10292 t = mono_type_get_underlying_type (mono_class_get_type (dst->vtable->klass));
10294 if (t->type == MONO_TYPE_VALUETYPE) {
10295 MonoException *exc;
10298 tmp = g_strdup_printf ("Destination is a boxed value type.");
10299 exc = mono_get_exception_argument ("dst", tmp);
10302 mono_raise_exception (exc);
10306 ptr_to_structure (src, dst);
10310 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure_type (gpointer src, MonoReflectionType *type)
10312 MonoDomain *domain = mono_domain_get ();
10315 MONO_ARCH_SAVE_REGS;
10317 MONO_CHECK_ARG_NULL (src);
10318 MONO_CHECK_ARG_NULL (type);
10320 res = mono_object_new (domain, mono_class_from_mono_type (type->type));
10322 ptr_to_structure (src, res);
10328 ves_icall_System_Runtime_InteropServices_Marshal_OffsetOf (MonoReflectionType *type, MonoString *field_name)
10330 MonoMarshalType *info;
10333 int match_index = -1;
10335 MONO_ARCH_SAVE_REGS;
10337 MONO_CHECK_ARG_NULL (type);
10338 MONO_CHECK_ARG_NULL (field_name);
10340 fname = mono_string_to_utf8 (field_name);
10341 klass = mono_class_from_mono_type (type->type);
10343 while (klass && match_index == -1) {
10344 MonoClassField* field;
10346 gpointer iter = NULL;
10347 while ((field = mono_class_get_fields (klass, &iter))) {
10348 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
10350 if (!strcmp (fname, field->name)) {
10357 if (match_index == -1)
10358 klass = klass->parent;
10363 if(match_index == -1) {
10364 MonoException* exc;
10367 /* Get back original class instance */
10368 klass = mono_class_from_mono_type (type->type);
10370 tmp = g_strdup_printf ("Field passed in is not a marshaled member of the type %s", klass->name);
10371 exc = mono_get_exception_argument ("fieldName", tmp);
10374 mono_raise_exception ((MonoException*)exc);
10377 info = mono_marshal_load_type_info (klass);
10378 return info->fields [match_index].offset;
10382 ves_icall_System_Runtime_InteropServices_Marshal_StringToHGlobalAnsi (MonoString *string)
10384 MONO_ARCH_SAVE_REGS;
10386 return mono_string_to_utf8 (string);
10390 ves_icall_System_Runtime_InteropServices_Marshal_StringToHGlobalUni (MonoString *string)
10392 MONO_ARCH_SAVE_REGS;
10394 if (string == NULL)
10397 gunichar2 *res = g_malloc ((mono_string_length (string) + 1) * 2);
10398 memcpy (res, mono_string_chars (string), mono_string_length (string) * 2);
10399 res [mono_string_length (string)] = 0;
10405 mono_struct_delete_old (MonoClass *klass, char *ptr)
10407 MonoMarshalType *info;
10410 info = mono_marshal_load_type_info (klass);
10412 for (i = 0; i < info->num_fields; i++) {
10413 MonoMarshalNative ntype;
10414 MonoMarshalConv conv;
10415 MonoType *ftype = info->fields [i].field->type;
10418 if (ftype->attrs & FIELD_ATTRIBUTE_STATIC)
10421 ntype = mono_type_to_unmanaged (ftype, info->fields [i].mspec, TRUE,
10422 klass->unicode, &conv);
10424 cpos = ptr + info->fields [i].offset;
10427 case MONO_MARSHAL_CONV_NONE:
10428 if (MONO_TYPE_ISSTRUCT (ftype)) {
10429 mono_struct_delete_old (ftype->data.klass, cpos);
10433 case MONO_MARSHAL_CONV_STR_LPWSTR:
10434 /* We assume this field points inside a MonoString */
10436 case MONO_MARSHAL_CONV_STR_LPSTR:
10437 case MONO_MARSHAL_CONV_STR_LPTSTR:
10438 case MONO_MARSHAL_CONV_STR_BSTR:
10439 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
10440 case MONO_MARSHAL_CONV_STR_TBSTR:
10441 mono_marshal_free (*(gpointer *)cpos);
10451 ves_icall_System_Runtime_InteropServices_Marshal_DestroyStructure (gpointer src, MonoReflectionType *type)
10455 MONO_ARCH_SAVE_REGS;
10457 MONO_CHECK_ARG_NULL (src);
10458 MONO_CHECK_ARG_NULL (type);
10460 klass = mono_class_from_mono_type (type->type);
10462 mono_struct_delete_old (klass, (char *)src);
10466 ves_icall_System_Runtime_InteropServices_Marshal_AllocHGlobal (int size)
10470 MONO_ARCH_SAVE_REGS;
10472 if ((gulong)size == 0)
10473 /* This returns a valid pointer for size 0 on MS.NET */
10476 #ifdef PLATFORM_WIN32
10477 res = GlobalAlloc (GMEM_FIXED, (gulong)size);
10479 res = g_try_malloc ((gulong)size);
10482 mono_gc_out_of_memory ((gulong)size);
10488 ves_icall_System_Runtime_InteropServices_Marshal_ReAllocHGlobal (gpointer ptr, int size)
10493 mono_gc_out_of_memory ((gulong)size);
10497 #ifdef PLATFORM_WIN32
10498 res = GlobalReAlloc (ptr, (gulong)size, 0);
10500 res = g_try_realloc (ptr, (gulong)size);
10503 mono_gc_out_of_memory ((gulong)size);
10509 ves_icall_System_Runtime_InteropServices_Marshal_FreeHGlobal (void *ptr)
10511 MONO_ARCH_SAVE_REGS;
10513 #ifdef PLATFORM_WIN32
10521 ves_icall_System_Runtime_InteropServices_Marshal_AllocCoTaskMem (int size)
10523 MONO_ARCH_SAVE_REGS;
10525 #ifdef PLATFORM_WIN32
10526 return CoTaskMemAlloc (size);
10528 return g_try_malloc ((gulong)size);
10533 ves_icall_System_Runtime_InteropServices_Marshal_FreeCoTaskMem (void *ptr)
10535 MONO_ARCH_SAVE_REGS;
10537 #ifdef PLATFORM_WIN32
10538 CoTaskMemFree (ptr);
10545 ves_icall_System_Runtime_InteropServices_Marshal_ReAllocCoTaskMem (gpointer ptr, int size)
10547 MONO_ARCH_SAVE_REGS;
10549 #ifdef PLATFORM_WIN32
10550 return CoTaskMemRealloc (ptr, size);
10552 return g_try_realloc (ptr, (gulong)size);
10557 ves_icall_System_Runtime_InteropServices_Marshal_UnsafeAddrOfPinnedArrayElement (MonoArray *arrayobj, int index)
10559 return mono_array_addr_with_size (arrayobj, mono_array_element_size (arrayobj->obj.vtable->klass), index);
10563 ves_icall_System_Runtime_InteropServices_Marshal_GetDelegateForFunctionPointerInternal (void *ftn, MonoReflectionType *type)
10565 return mono_ftnptr_to_delegate (mono_type_get_class (type->type), ftn);
10568 /* Only used for COM RCWs */
10570 ves_icall_System_ComObject_CreateRCW (MonoReflectionType *type)
10573 MonoDomain *domain;
10576 MONO_ARCH_SAVE_REGS;
10578 domain = mono_object_domain (type);
10579 klass = mono_class_from_mono_type (type->type);
10581 /* call mono_object_new_alloc_specific instead of mono_object_new
10582 * because we want to actually create object. mono_object_new checks
10583 * to see if type is import and creates transparent proxy. this method
10584 * is called by the corresponding real proxy to create the real RCW.
10585 * Constructor does not need to be called. Will be called later.
10587 obj = mono_object_new_alloc_specific (mono_class_vtable (domain, klass));
10592 cominterop_finalizer (gpointer key, gpointer value, gpointer user_data)
10594 ves_icall_System_Runtime_InteropServices_Marshal_ReleaseInternal (value);
10599 ves_icall_System_ComObject_ReleaseInterfaces (MonoComObject* obj)
10602 if (obj->itf_hash) {
10603 guint32 gchandle = 0;
10604 mono_cominterop_lock ();
10605 gchandle = GPOINTER_TO_UINT (g_hash_table_lookup (rcw_hash, obj->iunknown));
10607 mono_gchandle_free (gchandle);
10608 g_hash_table_remove (rcw_hash, obj->iunknown);
10611 g_hash_table_foreach_remove (obj->itf_hash, cominterop_finalizer, NULL);
10612 ves_icall_System_Runtime_InteropServices_Marshal_ReleaseInternal (obj->iunknown);
10613 obj->itf_hash = obj->iunknown = NULL;
10614 mono_cominterop_unlock ();
10619 ves_icall_System_ComObject_FindInterface (MonoComObject* obj, MonoReflectionType* type)
10622 gpointer itf = NULL;
10625 if (!obj->itf_hash)
10628 klass = mono_object_class (obj);
10629 klass = mono_class_from_mono_type (type->type);
10631 mono_cominterop_lock ();
10632 itf = g_hash_table_lookup (obj->itf_hash, GUINT_TO_POINTER ((guint)klass->interface_id));
10633 mono_cominterop_unlock ();
10639 ves_icall_System_ComObject_AddInterface (MonoComObject* obj, MonoReflectionType* type, gpointer pItf)
10644 if (!obj->itf_hash) {
10645 mono_cominterop_lock ();
10646 obj->itf_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
10647 mono_cominterop_unlock ();
10650 klass = mono_object_class (obj);
10651 klass = mono_class_from_mono_type (type->type);
10653 mono_cominterop_lock ();
10654 g_hash_table_insert (obj->itf_hash, GUINT_TO_POINTER ((guint)klass->interface_id), pItf);
10655 mono_cominterop_unlock ();
10659 ves_icall_Mono_Interop_ComInteropProxy_AddProxy (gpointer pUnk, MonoComInteropProxy* proxy)
10661 guint32 gchandle = 0;
10663 mono_cominterop_lock ();
10664 rcw_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
10665 mono_cominterop_unlock ();
10668 gchandle = mono_gchandle_new_weakref ((MonoObject*)proxy, FALSE);
10670 mono_cominterop_lock ();
10671 g_hash_table_insert (rcw_hash, pUnk, GUINT_TO_POINTER (gchandle));
10672 mono_cominterop_unlock ();
10675 MonoComInteropProxy*
10676 ves_icall_Mono_Interop_ComInteropProxy_FindProxy (gpointer pUnk)
10678 MonoComInteropProxy* proxy = NULL;
10679 guint32 gchandle = 0;
10681 mono_cominterop_lock ();
10683 gchandle = GPOINTER_TO_UINT (g_hash_table_lookup (rcw_hash, pUnk));
10684 mono_cominterop_unlock ();
10686 proxy = (MonoComInteropProxy*)mono_gchandle_get_target (gchandle);
10687 /* proxy is null means we need to free up old RCW */
10689 mono_gchandle_free (gchandle);
10690 g_hash_table_remove (rcw_hash, pUnk);
10697 * mono_marshal_is_loading_type_info:
10699 * Return whenever mono_marshal_load_type_info () is being executed for KLASS by this
10703 mono_marshal_is_loading_type_info (MonoClass *klass)
10705 GSList *loads_list = TlsGetValue (load_type_info_tls_id);
10707 return g_slist_find (loads_list, klass) != NULL;
10711 * mono_marshal_load_type_info:
10713 * Initialize klass->marshal_info using information from metadata. This function can
10714 * recursively call itself, and the caller is responsible to avoid that by calling
10715 * mono_marshal_is_loading_type_info () beforehand.
10717 * LOCKING: Acquires the loader lock.
10720 mono_marshal_load_type_info (MonoClass* klass)
10723 guint32 native_size = 0, min_align = 1;
10724 MonoMarshalType *info;
10725 MonoClassField* field;
10728 GSList *loads_list;
10730 g_assert (klass != NULL);
10732 if (klass->marshal_info)
10733 return klass->marshal_info;
10735 if (!klass->inited)
10736 mono_class_init (klass);
10738 mono_loader_lock ();
10740 if (klass->marshal_info) {
10741 mono_loader_unlock ();
10742 return klass->marshal_info;
10746 * This function can recursively call itself, so we keep the list of classes which are
10747 * under initialization in a TLS list.
10749 g_assert (!mono_marshal_is_loading_type_info (klass));
10750 loads_list = TlsGetValue (load_type_info_tls_id);
10751 loads_list = g_slist_prepend (loads_list, klass);
10752 TlsSetValue (load_type_info_tls_id, loads_list);
10755 while ((field = mono_class_get_fields (klass, &iter))) {
10756 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
10758 if (mono_field_is_deleted (field))
10763 layout = klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK;
10765 /* The mempool is protected by the loader lock */
10766 info = mono_mempool_alloc0 (klass->image->mempool, sizeof (MonoMarshalType) + sizeof (MonoMarshalField) * count);
10767 info->num_fields = count;
10769 /* Try to find a size for this type in metadata */
10770 mono_metadata_packing_from_typedef (klass->image, klass->type_token, NULL, &native_size);
10772 if (klass->parent) {
10773 int parent_size = mono_class_native_size (klass->parent, NULL);
10775 /* Add parent size to real size */
10776 native_size += parent_size;
10777 info->native_size = parent_size;
10782 while ((field = mono_class_get_fields (klass, &iter))) {
10786 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
10789 if (mono_field_is_deleted (field))
10791 if (field->type->attrs & FIELD_ATTRIBUTE_HAS_FIELD_MARSHAL)
10792 mono_metadata_field_info (klass->image, mono_metadata_token_index (mono_class_get_field_token (field)) - 1,
10793 NULL, NULL, &info->fields [j].mspec);
10795 info->fields [j].field = field;
10797 if ((mono_class_num_fields (klass) == 1) && (klass->instance_size == sizeof (MonoObject)) &&
10798 (strcmp (field->name, "$PRIVATE$") == 0)) {
10799 /* This field is a hack inserted by MCS to empty structures */
10804 case TYPE_ATTRIBUTE_AUTO_LAYOUT:
10805 case TYPE_ATTRIBUTE_SEQUENTIAL_LAYOUT:
10806 size = mono_marshal_type_size (field->type, info->fields [j].mspec,
10807 &align, TRUE, klass->unicode);
10808 align = klass->packing_size ? MIN (klass->packing_size, align): align;
10809 min_align = MAX (align, min_align);
10810 info->fields [j].offset = info->native_size;
10811 info->fields [j].offset += align - 1;
10812 info->fields [j].offset &= ~(align - 1);
10813 info->native_size = info->fields [j].offset + size;
10815 case TYPE_ATTRIBUTE_EXPLICIT_LAYOUT:
10816 size = mono_marshal_type_size (field->type, info->fields [j].mspec,
10817 &align, TRUE, klass->unicode);
10818 align = klass->packing_size ? MIN (klass->packing_size, align): align;
10819 min_align = MAX (align, min_align);
10820 info->fields [j].offset = field->offset - sizeof (MonoObject);
10821 info->native_size = MAX (info->native_size, info->fields [j].offset + size);
10827 if(layout != TYPE_ATTRIBUTE_AUTO_LAYOUT) {
10828 info->native_size = MAX (native_size, info->native_size);
10831 if (info->native_size & (min_align - 1)) {
10832 info->native_size += min_align - 1;
10833 info->native_size &= ~(min_align - 1);
10836 /* Update the class's blittable info, if the layouts don't match */
10837 if (info->native_size != mono_class_value_size (klass, NULL))
10838 klass->blittable = FALSE;
10840 /* If this is an array type, ensure that we have element info */
10841 if (klass->element_class && !mono_marshal_is_loading_type_info (klass->element_class)) {
10842 mono_marshal_load_type_info (klass->element_class);
10845 loads_list = TlsGetValue (load_type_info_tls_id);
10846 loads_list = g_slist_remove (loads_list, klass);
10847 TlsSetValue (load_type_info_tls_id, loads_list);
10849 klass->marshal_info = info;
10851 mono_loader_unlock ();
10853 return klass->marshal_info;
10857 * mono_class_native_size:
10860 * Returns: the native size of an object instance (when marshaled
10861 * to unmanaged code)
10864 mono_class_native_size (MonoClass *klass, guint32 *align)
10866 if (!klass->marshal_info) {
10867 if (mono_marshal_is_loading_type_info (klass))
10870 mono_marshal_load_type_info (klass);
10874 *align = klass->min_align;
10876 return klass->marshal_info->native_size;
10880 * mono_type_native_stack_size:
10881 * @t: the type to return the size it uses on the stack
10883 * Returns: the number of bytes required to hold an instance of this
10884 * type on the native stack
10887 mono_type_native_stack_size (MonoType *t, guint32 *align)
10891 g_assert (t != NULL);
10902 case MONO_TYPE_BOOLEAN:
10903 case MONO_TYPE_CHAR:
10912 case MONO_TYPE_STRING:
10913 case MONO_TYPE_OBJECT:
10914 case MONO_TYPE_CLASS:
10915 case MONO_TYPE_SZARRAY:
10916 case MONO_TYPE_PTR:
10917 case MONO_TYPE_FNPTR:
10918 case MONO_TYPE_ARRAY:
10919 case MONO_TYPE_TYPEDBYREF:
10930 case MONO_TYPE_VALUETYPE: {
10933 if (t->data.klass->enumtype)
10934 return mono_type_native_stack_size (t->data.klass->enum_basetype, align);
10936 size = mono_class_native_size (t->data.klass, align);
10937 *align = *align + 3;
10947 g_error ("type 0x%02x unknown", t->type);
10952 /* __alignof__ returns the preferred alignment of values not the actual alignment used by
10953 the compiler so is wrong e.g. for Linux where doubles are aligned on a 4 byte boundary
10954 but __alignof__ returns 8 - using G_STRUCT_OFFSET works better */
10955 #define ALIGNMENT(type) G_STRUCT_OFFSET(struct { char c; type x; }, x)
10958 mono_marshal_type_size (MonoType *type, MonoMarshalSpec *mspec, guint32 *align,
10959 gboolean as_field, gboolean unicode)
10961 MonoMarshalNative native_type = mono_type_to_unmanaged (type, mspec, as_field, unicode, NULL);
10964 switch (native_type) {
10965 case MONO_NATIVE_BOOLEAN:
10968 case MONO_NATIVE_I1:
10969 case MONO_NATIVE_U1:
10972 case MONO_NATIVE_I2:
10973 case MONO_NATIVE_U2:
10974 case MONO_NATIVE_VARIANTBOOL:
10977 case MONO_NATIVE_I4:
10978 case MONO_NATIVE_U4:
10979 case MONO_NATIVE_ERROR:
10982 case MONO_NATIVE_I8:
10983 case MONO_NATIVE_U8:
10984 *align = ALIGNMENT(guint64);
10986 case MONO_NATIVE_R4:
10989 case MONO_NATIVE_R8:
10990 *align = ALIGNMENT(double);
10992 case MONO_NATIVE_INT:
10993 case MONO_NATIVE_UINT:
10994 case MONO_NATIVE_LPSTR:
10995 case MONO_NATIVE_LPWSTR:
10996 case MONO_NATIVE_LPTSTR:
10997 case MONO_NATIVE_BSTR:
10998 case MONO_NATIVE_ANSIBSTR:
10999 case MONO_NATIVE_TBSTR:
11000 case MONO_NATIVE_LPARRAY:
11001 case MONO_NATIVE_SAFEARRAY:
11002 case MONO_NATIVE_IUNKNOWN:
11003 case MONO_NATIVE_IDISPATCH:
11004 case MONO_NATIVE_INTERFACE:
11005 case MONO_NATIVE_ASANY:
11006 case MONO_NATIVE_FUNC:
11007 case MONO_NATIVE_LPSTRUCT:
11008 *align = ALIGNMENT(gpointer);
11009 return sizeof (gpointer);
11010 case MONO_NATIVE_STRUCT:
11011 klass = mono_class_from_mono_type (type);
11012 if (klass == mono_defaults.object_class &&
11013 (mspec && mspec->native == MONO_NATIVE_STRUCT)) {
11017 return mono_class_native_size (klass, align);
11018 case MONO_NATIVE_BYVALTSTR: {
11019 int esize = unicode ? 2: 1;
11022 return mspec->data.array_data.num_elem * esize;
11024 case MONO_NATIVE_BYVALARRAY: {
11025 // FIXME: Have to consider ArraySubType
11027 klass = mono_class_from_mono_type (type);
11028 if (klass->element_class == mono_defaults.char_class) {
11029 esize = unicode ? 2 : 1;
11032 esize = mono_class_native_size (klass->element_class, align);
11035 return mspec->data.array_data.num_elem * esize;
11037 case MONO_NATIVE_CUSTOM:
11038 g_assert_not_reached ();
11040 case MONO_NATIVE_CURRENCY:
11041 case MONO_NATIVE_VBBYREFSTR:
11043 g_error ("native type %02x not implemented", native_type);
11046 g_assert_not_reached ();
11051 mono_marshal_asany (MonoObject *o, MonoMarshalNative string_encoding, int param_attrs)
11059 t = &o->vtable->klass->byval_arg;
11063 case MONO_TYPE_PTR:
11066 case MONO_TYPE_BOOLEAN:
11069 case MONO_TYPE_CHAR:
11074 return mono_object_unbox (o);
11076 case MONO_TYPE_STRING:
11077 switch (string_encoding) {
11078 case MONO_NATIVE_LPWSTR:
11079 return mono_string_to_utf16 ((MonoString*)o);
11081 case MONO_NATIVE_LPSTR:
11082 return mono_string_to_lpstr ((MonoString*)o);
11085 g_warning ("marshaling conversion %d not implemented", string_encoding);
11086 g_assert_not_reached ();
11089 case MONO_TYPE_CLASS:
11090 case MONO_TYPE_VALUETYPE: {
11091 MonoMethod *method;
11094 MonoBoolean delete_old = FALSE;
11096 klass = t->data.klass;
11098 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT)
11101 if (klass->valuetype && (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
11102 klass->blittable || klass->enumtype))
11103 return mono_object_unbox (o);
11105 res = mono_marshal_alloc (mono_class_native_size (klass, NULL));
11107 if (!((param_attrs & PARAM_ATTRIBUTE_OUT) && !(param_attrs & PARAM_ATTRIBUTE_IN))) {
11108 method = mono_marshal_get_struct_to_ptr (o->vtable->klass);
11112 pa [2] = &delete_old;
11114 mono_runtime_invoke (method, NULL, pa, NULL);
11121 mono_raise_exception (mono_get_exception_argument ("", "No PInvoke conversion exists for value passed to Object-typed parameter."));
11127 mono_marshal_free_asany (MonoObject *o, gpointer ptr, MonoMarshalNative string_encoding, int param_attrs)
11135 t = &o->vtable->klass->byval_arg;
11137 case MONO_TYPE_STRING:
11138 switch (string_encoding) {
11139 case MONO_NATIVE_LPWSTR:
11140 case MONO_NATIVE_LPSTR:
11141 mono_marshal_free (ptr);
11144 g_warning ("marshaling conversion %d not implemented", string_encoding);
11145 g_assert_not_reached ();
11148 case MONO_TYPE_CLASS:
11149 case MONO_TYPE_VALUETYPE: {
11150 klass = t->data.klass;
11152 if (klass->valuetype && (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
11153 klass->blittable || klass->enumtype))
11156 if (param_attrs & PARAM_ATTRIBUTE_OUT) {
11157 MonoMethod *method = mono_marshal_get_ptr_to_struct (o->vtable->klass);
11163 mono_runtime_invoke (method, NULL, pa, NULL);
11166 if (!((param_attrs & PARAM_ATTRIBUTE_OUT) && !(param_attrs & PARAM_ATTRIBUTE_IN))) {
11167 mono_struct_delete_old (klass, ptr);
11170 mono_marshal_free (ptr);
11179 mono_marshal_get_generic_array_helper (MonoClass *class, MonoClass *iface, gchar *name, MonoMethod *method)
11181 MonoMethodSignature *sig, *csig;
11182 MonoMethodBuilder *mb;
11186 mb = mono_mb_new (class, name, MONO_WRAPPER_MANAGED_TO_MANAGED);
11187 mb->method->slot = -1;
11189 mb->method->flags = METHOD_ATTRIBUTE_PRIVATE | METHOD_ATTRIBUTE_VIRTUAL |
11190 METHOD_ATTRIBUTE_NEW_SLOT | METHOD_ATTRIBUTE_HIDE_BY_SIG | METHOD_ATTRIBUTE_FINAL;
11192 sig = mono_method_signature (method);
11193 csig = signature_dup (method->klass->image, sig);
11194 csig->generic_param_count = 0;
11196 mono_mb_emit_ldarg (mb, 0);
11197 for (i = 0; i < csig->param_count; i++)
11198 mono_mb_emit_ldarg (mb, i + 1);
11199 mono_mb_emit_managed_call (mb, method, NULL);
11200 mono_mb_emit_byte (mb, CEE_RET);
11202 res = mono_mb_create_method (mb, csig, csig->param_count + 16);
11209 /* Put COM Interop related stuff here */
11212 * cominterop_get_ccw_object:
11213 * @ccw_entry: a pointer to the CCWEntry
11214 * @verify: verify ccw_entry is in fact a ccw
11216 * Returns: the corresponding object for the CCW
11219 cominterop_get_ccw_object (MonoCCWInterface* ccw_entry, gboolean verify)
11221 MonoCCW *ccw = NULL;
11223 /* no CCW's exist yet */
11224 if (!ccw_interface_hash)
11228 ccw = g_hash_table_lookup (ccw_interface_hash, ccw_entry);
11231 ccw = ccw_entry->ccw;
11235 return mono_gchandle_get_target (ccw->gc_handle);
11241 cominterop_setup_marshal_context (EmitMarshalContext *m, MonoMethod *method)
11243 MonoMethodSignature *sig, *csig;
11244 sig = mono_method_signature (method);
11245 /* we copy the signature, so that we can modify it */
11246 /* FIXME: which to use? */
11247 csig = signature_dup (method->klass->image, sig);
11248 /* csig = mono_metadata_signature_dup (sig); */
11249 csig->call_convention = MONO_CALL_STDCALL;
11253 m->image = method->klass->image;
11261 * cominterop_get_ccw:
11262 * @object: a pointer to the object
11263 * @itf: interface type needed
11265 * Returns: a value indicating if the object is a
11266 * Runtime Callable Wrapper (RCW) for a COM object
11269 cominterop_get_ccw (MonoObject* object, MonoClass* itf)
11272 MonoCCW *ccw = NULL;
11273 MonoCCWInterface* ccw_entry = NULL;
11274 gpointer *vtable = NULL;
11275 static gpointer iunknown[3] = {NULL, NULL, NULL};
11276 static gpointer idispatch[4] = {NULL, NULL, NULL, NULL};
11277 MonoClass* iface = NULL;
11278 MonoClass* klass = NULL;
11279 EmitMarshalContext m;
11280 int start_slot = 3;
11281 int method_count = 0;
11282 GList *ccw_list, *ccw_list_item;
11287 klass = mono_object_get_class (object);
11290 ccw_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
11291 if (!ccw_interface_hash)
11292 ccw_interface_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
11294 ccw_list = g_hash_table_lookup (ccw_hash, GINT_TO_POINTER (mono_object_hash (object)));
11296 ccw_list_item = ccw_list;
11297 while (ccw_list_item) {
11298 MonoCCW* ccw_iter = ccw_list_item->data;
11299 if (mono_gchandle_get_target (ccw_iter->gc_handle) == object) {
11303 ccw_list_item = g_list_next(ccw_list_item);
11306 if (!iunknown [0]) {
11307 iunknown [0] = cominterop_ccw_queryinterface;
11308 iunknown [1] = cominterop_ccw_addref;
11309 iunknown [2] = cominterop_ccw_release;
11312 if (!idispatch [0]) {
11313 idispatch [0] = cominterop_ccw_get_type_info_count;
11314 idispatch [1] = cominterop_ccw_get_type_info;
11315 idispatch [2] = cominterop_ccw_get_ids_of_names;
11316 idispatch [3] = cominterop_ccw_invoke;
11320 ccw = g_new0 (MonoCCW, 1);
11321 ccw->vtable_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
11322 ccw->ref_count = 0;
11323 /* just alloc a weak handle until we are addref'd*/
11324 ccw->gc_handle = mono_gchandle_new_weakref (object, FALSE);
11327 ccw_list = g_list_alloc ();
11328 ccw_list->data = ccw;
11331 ccw_list = g_list_append (ccw_list, ccw);
11332 g_hash_table_insert (ccw_hash, GINT_TO_POINTER (mono_object_hash (object)), ccw_list);
11333 /* register for finalization to clean up ccw */
11334 mono_object_register_finalizer (object);
11338 if (iface == mono_defaults.iunknown_class) {
11341 else if (iface == mono_defaults.idispatch_class) {
11346 method_count += iface->method.count;
11347 if (iface->interface_count) {
11348 iface = iface->interfaces [0];
11351 start_slot = cominterop_get_com_slot_begin (iface);
11357 ccw_entry = g_hash_table_lookup (ccw->vtable_hash, itf);
11360 int vtable_index = method_count-1+start_slot;
11361 mono_loader_lock ();
11362 vtable = mono_mempool_alloc0 (klass->image->mempool, sizeof (gpointer)*(method_count+start_slot));
11363 mono_loader_unlock ();
11364 memcpy (vtable, iunknown, sizeof (iunknown));
11365 if (start_slot == 7)
11366 memcpy (vtable+3, idispatch, sizeof (idispatch));
11370 for (i = iface->method.count-1; i >= 0;i--) {
11371 int param_index = 0;
11372 MonoMethodBuilder *mb;
11373 MonoMarshalSpec ** mspecs;
11374 MonoMethod *wrapper_method, *adjust_method;
11375 MonoMethod *method = iface->methods [i];
11376 MonoMethodSignature* sig_adjusted;
11377 MonoMethodSignature* sig = mono_method_signature (method);
11380 mb = mono_mb_new (iface, method->name, MONO_WRAPPER_NATIVE_TO_MANAGED);
11381 adjust_method = cominterop_get_managed_wrapper_adjusted (method);
11382 sig_adjusted = mono_method_signature (adjust_method);
11384 mspecs = g_new (MonoMarshalSpec*, sig_adjusted->param_count + 1);
11385 mono_method_get_marshal_info (method, mspecs);
11388 /* move managed args up one */
11389 for (param_index = sig->param_count; param_index >= 1; param_index--)
11390 mspecs [param_index+1] = mspecs [param_index];
11392 /* first arg is IntPtr for interface */
11395 /* move return spec to last param */
11396 if (!MONO_TYPE_IS_VOID (sig->ret))
11397 mspecs [sig_adjusted->param_count] = mspecs [0];
11401 cominterop_setup_marshal_context (&m, adjust_method);
11403 mono_marshal_emit_managed_wrapper (mb, sig_adjusted, mspecs, &m, adjust_method, NULL);
11404 mono_loader_lock ();
11405 mono_marshal_lock ();
11406 wrapper_method = mono_mb_create_method (mb, sig_adjusted, sig_adjusted->param_count + 16);
11407 mono_marshal_unlock ();
11408 mono_loader_unlock ();
11410 /* skip visiblity since we call internal methods */
11411 wrapper_method->skip_visibility = TRUE;
11413 vtable [vtable_index--] = mono_compile_method (wrapper_method);
11416 for (param_index = sig_adjusted->param_count; param_index >= 0; param_index--)
11417 if (mspecs [param_index])
11418 mono_metadata_free_marshal_spec (mspecs [param_index]);
11421 if (iface->interface_count)
11422 iface = iface->interfaces [0];
11427 ccw_entry = g_new0 (MonoCCWInterface, 1);
11428 ccw_entry->ccw = ccw;
11429 ccw_entry->vtable = vtable;
11430 g_hash_table_insert (ccw->vtable_hash, itf, ccw_entry);
11431 g_hash_table_insert (ccw_interface_hash, ccw_entry, ccw);
11438 mono_marshal_free_ccw_entry (gpointer key, gpointer value, gpointer user_data)
11446 * mono_marshal_free_ccw:
11447 * @object: the mono object
11449 * Returns: whether the object had a CCW
11452 mono_marshal_free_ccw (MonoObject* object)
11454 GList *ccw_list, *ccw_list_orig, *ccw_list_item;
11455 /* no ccw's were created */
11456 if (!ccw_hash || g_hash_table_size (ccw_hash) == 0)
11459 /* need to cache orig list address to remove from hash_table if empty */
11460 mono_cominterop_lock ();
11461 ccw_list = ccw_list_orig = g_hash_table_lookup (ccw_hash, GINT_TO_POINTER (mono_object_hash (object)));
11462 mono_cominterop_unlock ();
11467 ccw_list_item = ccw_list;
11468 while (ccw_list_item) {
11469 MonoCCW* ccw_iter = ccw_list_item->data;
11470 MonoObject* handle_target = mono_gchandle_get_target (ccw_iter->gc_handle);
11472 /* Looks like the GC NULLs the weakref handle target before running the
11473 * finalizer. So if we get a NULL target, destroy the CCW as well. */
11474 if (!handle_target || handle_target == object) {
11475 /* remove all interfaces */
11476 g_hash_table_foreach_remove (ccw_iter->vtable_hash, mono_marshal_free_ccw_entry, NULL);
11477 g_hash_table_destroy (ccw_iter->vtable_hash);
11479 /* get next before we delete */
11480 ccw_list_item = g_list_next(ccw_list_item);
11482 /* remove ccw from list */
11483 ccw_list = g_list_remove (ccw_list, ccw_iter);
11487 ccw_list_item = g_list_next(ccw_list_item);
11490 /* if list is empty remove original address from hash */
11491 if (g_list_length (ccw_list) == 0)
11492 g_hash_table_remove (ccw_hash, ccw_list_orig);
11499 * cominterop_get_native_wrapper_adjusted:
11500 * @method: managed COM Interop method
11502 * Returns: the generated method to call with signature matching
11503 * the unmanaged COM Method signature
11505 static MonoMethod *
11506 cominterop_get_managed_wrapper_adjusted (MonoMethod *method)
11508 static MonoMethod *get_hr_for_exception = NULL;
11509 MonoMethod *res = NULL;
11510 MonoMethodBuilder *mb;
11511 MonoMarshalSpec **mspecs;
11512 MonoMethodSignature *sig, *sig_native;
11513 MonoExceptionClause *main_clause;
11514 MonoMethodHeader *header;
11519 if (!get_hr_for_exception)
11520 get_hr_for_exception = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetHRForException", -1);
11522 sig = mono_method_signature (method);
11524 /* create unmanaged wrapper */
11525 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_COMINTEROP);
11527 sig_native = signature_cominterop (method->klass->image, sig);
11529 mspecs = g_new0 (MonoMarshalSpec*, sig_native->param_count+1);
11531 mono_method_get_marshal_info (method, mspecs);
11533 /* move managed args up one */
11534 for (i = sig->param_count; i >= 1; i--)
11535 mspecs [i+1] = mspecs [i];
11537 /* first arg is IntPtr for interface */
11540 /* move return spec to last param */
11541 if (!MONO_TYPE_IS_VOID (sig->ret))
11542 mspecs [sig_native->param_count] = mspecs [0];
11546 hr = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
11550 main_clause = g_new0 (MonoExceptionClause, 1);
11551 main_clause->try_offset = mb->pos;
11553 if (!MONO_TYPE_IS_VOID (sig->ret))
11554 mono_mb_emit_ldarg (mb, sig_native->param_count-1);
11556 /* the CCW -> object conversion */
11557 mono_mb_emit_ldarg (mb, 0);
11558 mono_mb_emit_icon (mb, FALSE);
11559 mono_mb_emit_icall (mb, cominterop_get_ccw_object);
11561 for (i = 0; i < sig->param_count; i++)
11562 mono_mb_emit_ldarg (mb, i+1);
11564 mono_mb_emit_managed_call (mb, method, NULL);
11566 /* store result if we have one */
11567 if (!MONO_TYPE_IS_VOID (sig->ret))
11568 mono_mb_emit_byte (mb, CEE_STIND_REF);
11570 pos_leave = mono_mb_emit_branch (mb, CEE_LEAVE);
11572 /* Main exception catch */
11573 main_clause->flags = MONO_EXCEPTION_CLAUSE_NONE;
11574 main_clause->try_len = mb->pos - main_clause->try_offset;
11575 main_clause->data.catch_class = mono_defaults.object_class;
11578 main_clause->handler_offset = mb->pos;
11579 mono_mb_emit_managed_call (mb, get_hr_for_exception, NULL);
11580 mono_mb_emit_stloc (mb, hr);
11581 mono_mb_emit_branch (mb, CEE_LEAVE);
11582 main_clause->handler_len = mb->pos - main_clause->handler_offset;
11585 mono_mb_patch_addr (mb, pos_leave, mb->pos - (pos_leave + 4));
11587 /* FIXME: need to emit try/catch block and return failure code if exception */
11588 mono_mb_emit_ldloc (mb, hr);
11589 mono_mb_emit_byte (mb, CEE_RET);
11591 mono_loader_lock ();
11592 mono_marshal_lock ();
11593 res = mono_mb_create_method (mb, sig_native, sig_native->param_count + 16);
11594 mono_marshal_unlock ();
11595 mono_loader_unlock ();
11599 for (i = sig_native->param_count; i >= 0; i--)
11601 mono_metadata_free_marshal_spec (mspecs [i]);
11604 header = ((MonoMethodNormal *)res)->header;
11605 header->num_clauses = 1;
11606 header->clauses = main_clause;
11612 * cominterop_mono_string_to_guid:
11614 * Converts the standard string representation of a GUID
11615 * to a 16 byte Microsoft GUID.
11618 cominterop_mono_string_to_guid (const MonoString* string, guint8 *guid) {
11619 gunichar2 * chars = mono_string_chars (string);
11621 static guint8 indexes[16] = {7, 5, 3, 1, 12, 10, 17, 15, 20, 22, 25, 27, 29, 31, 33, 35};
11623 for (i = 0; i < sizeof(indexes); i++)
11624 guid [i] = g_unichar_xdigit_value (chars [indexes [i]]) + (g_unichar_xdigit_value (chars [indexes [i] - 1]) << 4);
11626 //guid [0] = g_unichar_xdigit_value (chars [7]) + (g_unichar_xdigit_value (chars [6]) << 4);
11627 //guid [1] = g_unichar_xdigit_value (chars [5]) + (g_unichar_xdigit_value (chars [4]) << 4);
11628 //guid [2] = g_unichar_xdigit_value (chars [3]) + (g_unichar_xdigit_value (chars [2]) << 4);
11629 //guid [3] = g_unichar_xdigit_value (chars [1]) + (g_unichar_xdigit_value (chars [0]) << 4);
11630 //guid [4] = g_unichar_xdigit_value (chars [12]) + (g_unichar_xdigit_value (chars [11]) << 4);
11631 //guid [5] = g_unichar_xdigit_value (chars [10]) + (g_unichar_xdigit_value (chars [9]) << 4);
11632 //guid [6] = g_unichar_xdigit_value (chars [17]) + (g_unichar_xdigit_value (chars [16]) << 4);
11633 //guid [7] = g_unichar_xdigit_value (chars [15]) + (g_unichar_xdigit_value (chars [14]) << 4);
11634 //guid [8] = g_unichar_xdigit_value (chars [20]) + (g_unichar_xdigit_value (chars [19]) << 4);
11635 //guid [9] = g_unichar_xdigit_value (chars [22]) + (g_unichar_xdigit_value (chars [21]) << 4);
11636 //guid [10] = g_unichar_xdigit_value (chars [25]) + (g_unichar_xdigit_value (chars [24]) << 4);
11637 //guid [11] = g_unichar_xdigit_value (chars [27]) + (g_unichar_xdigit_value (chars [26]) << 4);
11638 //guid [12] = g_unichar_xdigit_value (chars [29]) + (g_unichar_xdigit_value (chars [28]) << 4);
11639 //guid [13] = g_unichar_xdigit_value (chars [31]) + (g_unichar_xdigit_value (chars [30]) << 4);
11640 //guid [14] = g_unichar_xdigit_value (chars [33]) + (g_unichar_xdigit_value (chars [32]) << 4);
11641 //guid [15] = g_unichar_xdigit_value (chars [35]) + (g_unichar_xdigit_value (chars [34]) << 4);
11645 cominterop_class_guid_equal (guint8* guid, MonoClass* klass)
11647 static MonoClass *GuidAttribute = NULL;
11648 MonoCustomAttrInfo *cinfo;
11650 /* Handle the GuidAttribute */
11651 if (!GuidAttribute)
11652 GuidAttribute = mono_class_from_name (mono_defaults.corlib, "System.Runtime.InteropServices", "GuidAttribute");
11654 cinfo = mono_custom_attrs_from_class (klass);
11656 guint8 klass_guid [16];
11657 MonoReflectionGuidAttribute *attr = (MonoReflectionGuidAttribute*)mono_custom_attrs_get_attr (cinfo, GuidAttribute);
11661 if (!cinfo->cached)
11662 mono_custom_attrs_free (cinfo);
11664 cominterop_mono_string_to_guid (attr->guid, klass_guid);
11665 return !memcmp (guid, klass_guid, sizeof (klass_guid));
11671 cominterop_ccw_addref (MonoCCWInterface* ccwe)
11673 gint32 ref_count = 0;
11674 MonoCCW* ccw = ccwe->ccw;
11676 g_assert (ccw->gc_handle);
11677 g_assert (ccw->ref_count >= 0);
11678 ref_count = InterlockedIncrement ((gint32*)&ccw->ref_count);
11679 if (ref_count == 1) {
11680 guint32 oldhandle = ccw->gc_handle;
11681 g_assert (oldhandle);
11682 /* since we now have a ref count, alloc a strong handle*/
11683 ccw->gc_handle = mono_gchandle_new (mono_gchandle_get_target (oldhandle), FALSE);
11684 mono_gchandle_free (oldhandle);
11690 cominterop_ccw_release (MonoCCWInterface* ccwe)
11692 gint32 ref_count = 0;
11693 MonoCCW* ccw = ccwe->ccw;
11695 g_assert (ccw->ref_count > 0);
11696 ref_count = InterlockedDecrement ((gint32*)&ccw->ref_count);
11697 if (ref_count == 0) {
11698 /* allow gc of object */
11699 guint32 oldhandle = ccw->gc_handle;
11700 g_assert (oldhandle);
11701 ccw->gc_handle = mono_gchandle_new_weakref (mono_gchandle_get_target (oldhandle), FALSE);
11702 mono_gchandle_free (oldhandle);
11707 #define MONO_S_OK 0x00000000L
11708 #define MONO_E_NOINTERFACE 0x80004002L
11709 #define MONO_E_NOTIMPL 0x80004001L
11712 cominterop_ccw_queryinterface (MonoCCWInterface* ccwe, guint8* riid, gpointer* ppv)
11715 MonoClass *itf = NULL;
11717 MonoCCW* ccw = ccwe->ccw;
11718 MonoClass* klass = NULL;
11719 MonoObject* object = mono_gchandle_get_target (ccw->gc_handle);
11722 klass = mono_object_class (object);
11727 /* handle IUnknown special */
11728 if (cominterop_class_guid_equal (riid, mono_defaults.iunknown_class)) {
11729 *ppv = cominterop_get_ccw (object, mono_defaults.iunknown_class);
11730 /* remember to addref on QI */
11731 cominterop_ccw_addref (*ppv);
11735 /* handle IDispatch special */
11736 if (cominterop_class_guid_equal (riid, mono_defaults.idispatch_class)) {
11737 *ppv = cominterop_get_ccw (object, mono_defaults.idispatch_class);
11738 /* remember to addref on QI */
11739 cominterop_ccw_addref (*ppv);
11743 ifaces = mono_class_get_implemented_interfaces (klass);
11745 for (i = 0; i < ifaces->len; ++i) {
11746 MonoClass *ic = NULL;
11747 ic = g_ptr_array_index (ifaces, i);
11748 if (cominterop_class_guid_equal (riid, ic)) {
11753 g_ptr_array_free (ifaces, TRUE);
11756 *ppv = cominterop_get_ccw (object, itf);
11757 /* remember to addref on QI */
11758 cominterop_ccw_addref (*ppv);
11762 return MONO_E_NOINTERFACE;
11766 cominterop_ccw_get_type_info_count (MonoCCWInterface* ccwe, guint32 *pctinfo)
11768 return MONO_E_NOTIMPL;
11772 cominterop_ccw_get_type_info (MonoCCWInterface* ccwe, guint32 iTInfo, guint32 lcid, gpointer *ppTInfo)
11774 return MONO_E_NOTIMPL;
11778 cominterop_ccw_get_ids_of_names (MonoCCWInterface* ccwe, gpointer riid,
11779 gunichar2** rgszNames, guint32 cNames,
11780 guint32 lcid, gint32 *rgDispId)
11782 return MONO_E_NOTIMPL;
11786 cominterop_ccw_invoke (MonoCCWInterface* ccwe, guint32 dispIdMember,
11787 gpointer riid, guint32 lcid,
11788 guint16 wFlags, gpointer pDispParams,
11789 gpointer pVarResult, gpointer pExcepInfo,
11792 return MONO_E_NOTIMPL;