2 * marshal.c: Routines for marshaling complex types in P/Invoke methods.
5 * Paolo Molaro (lupus@ximian.com)
7 * Copyright 2002-2003 Ximian, Inc (http://www.ximian.com)
8 * Copyright 2004-2009 Novell, Inc (http://www.novell.com)
9 * Copyright 2011 Xamarin, Inc (http://www.xamarin.com)
11 * Licensed under the MIT license. See LICENSE file in the project root for full license information.
22 #include "metadata/marshal.h"
23 #include "metadata/marshal-internals.h"
24 #include "metadata/method-builder.h"
25 #include "metadata/tabledefs.h"
26 #include "metadata/exception.h"
27 #include "metadata/appdomain.h"
28 #include "mono/metadata/abi-details.h"
29 #include "mono/metadata/debug-helpers.h"
30 #include "mono/metadata/threads.h"
31 #include "mono/metadata/monitor.h"
32 #include "mono/metadata/class-internals.h"
33 #include "mono/metadata/metadata-internals.h"
34 #include "mono/metadata/domain-internals.h"
35 #include "mono/metadata/gc-internals.h"
36 #include "mono/metadata/threads-types.h"
37 #include "mono/metadata/string-icalls.h"
38 #include "mono/metadata/attrdefs.h"
39 #include "mono/metadata/gc-internals.h"
40 #include "mono/metadata/cominterop.h"
41 #include "mono/metadata/remoting.h"
42 #include "mono/metadata/reflection-internals.h"
43 #include "mono/metadata/threadpool-ms.h"
44 #include "mono/metadata/handle.h"
45 #include "mono/utils/mono-counters.h"
46 #include "mono/utils/mono-tls.h"
47 #include "mono/utils/mono-memory-model.h"
48 #include "mono/utils/atomic.h"
49 #include <mono/utils/mono-threads.h>
50 #include <mono/utils/mono-threads-coop.h>
51 #include <mono/utils/mono-error-internals.h>
56 /* #define DEBUG_RUNTIME_CODE */
58 #define OPDEF(a,b,c,d,e,f,g,h,i,j) \
62 #include "mono/cil/opcode.def"
68 * This mutex protects the various marshalling related caches in MonoImage
69 * and a few other data structures static to this file.
71 * The marshal lock is a non-recursive complex lock that sits below the domain lock in the
72 * runtime locking latice. Which means it can take simple locks suck as the image lock.
74 #define mono_marshal_lock() mono_locks_os_acquire (&marshal_mutex, MarshalLock)
75 #define mono_marshal_unlock() mono_locks_os_release (&marshal_mutex, MarshalLock)
76 static mono_mutex_t marshal_mutex;
77 static gboolean marshal_mutex_initialized;
79 static MonoNativeTlsKey last_error_tls_id;
81 static MonoNativeTlsKey load_type_info_tls_id;
83 static gboolean use_aot_wrappers;
85 static int class_marshal_info_count;
87 static void ftnptr_eh_callback_default (guint32 gchandle);
89 static MonoFtnPtrEHCallback ftnptr_eh_callback = ftnptr_eh_callback_default;
92 delegate_hash_table_add (MonoDelegate *d);
95 delegate_hash_table_remove (MonoDelegate *d);
98 emit_struct_conv (MonoMethodBuilder *mb, MonoClass *klass, gboolean to_object);
101 emit_struct_conv_full (MonoMethodBuilder *mb, MonoClass *klass, gboolean to_object, int offset_of_first_child_field, MonoMarshalNative string_encoding);
104 mono_struct_delete_old (MonoClass *klass, char *ptr);
107 mono_marshal_string_to_utf16 (MonoString *s);
110 mono_marshal_string_to_utf16_copy (MonoString *s);
113 mono_string_to_utf8str (MonoString *string_obj);
115 static MonoStringBuilder *
116 mono_string_utf8_to_builder2 (char *text);
118 static MonoStringBuilder *
119 mono_string_utf16_to_builder2 (gunichar2 *text);
122 mono_string_new_len_wrapper (const char *text, guint length);
125 mono_string_from_byvalstr (const char *data, int len);
128 mono_string_from_byvalwstr (gunichar2 *data, int len);
131 mono_byvalarray_to_array (MonoArray *arr, gpointer native_arr, MonoClass *eltype, guint32 elnum);
134 mono_byvalarray_to_byte_array (MonoArray *arr, gpointer native_arr, guint32 elnum);
137 mono_array_to_byvalarray (gpointer native_arr, MonoArray *arr, MonoClass *eltype, guint32 elnum);
140 mono_array_to_byte_byvalarray (gpointer native_arr, MonoArray *arr, guint32 elnum);
142 static MonoAsyncResult *
143 mono_delegate_begin_invoke (MonoDelegate *delegate, gpointer *params);
146 mono_delegate_end_invoke (MonoDelegate *delegate, gpointer *params);
149 mono_marshal_set_last_error_windows (int error);
152 mono_marshal_isinst_with_cache (MonoObject *obj, MonoClass *klass, uintptr_t *cache);
154 static void init_safe_handle (void);
157 ves_icall_marshal_alloc (gulong size);
160 mono_string_utf8_to_builder (MonoStringBuilder *sb, char *text);
163 mono_string_utf16_to_builder (MonoStringBuilder *sb, gunichar2 *text);
166 mono_string_builder_to_utf8 (MonoStringBuilder *sb);
169 mono_string_builder_to_utf16 (MonoStringBuilder *sb);
172 mono_string_to_byvalstr (gpointer dst, MonoString *src, int size);
175 mono_string_to_byvalwstr (gpointer dst, MonoString *src, int size);
178 mono_delegate_to_ftnptr (MonoDelegate *delegate);
181 mono_ftnptr_to_delegate (MonoClass *klass, gpointer ftn);
184 mono_array_to_savearray (MonoArray *array);
187 mono_array_to_lparray (MonoArray *array);
190 mono_free_lparray (MonoArray *array, gpointer* nativeArray);
193 mono_marshal_asany (MonoObject *obj, MonoMarshalNative string_encoding, int param_attrs);
196 mono_marshal_free_asany (MonoObject *o, gpointer ptr, MonoMarshalNative string_encoding, int param_attrs);
199 mono_array_to_savearray (MonoArray *array);
202 mono_array_to_lparray (MonoArray *array);
205 mono_free_lparray (MonoArray *array, gpointer* nativeArray);
208 mono_marshal_ftnptr_eh_callback (guint32 gchandle);
210 static MonoThreadInfo*
211 mono_icall_start (HandleStackMark *stackmark, MonoError *error);
214 mono_icall_end (MonoThreadInfo *info, HandleStackMark *stackmark, MonoError *error);
216 /* Lazy class loading functions */
217 static GENERATE_GET_CLASS_WITH_CACHE (string_builder, System.Text, StringBuilder)
218 static GENERATE_GET_CLASS_WITH_CACHE (date_time, System, DateTime)
219 static GENERATE_TRY_GET_CLASS_WITH_CACHE (unmanaged_function_pointer_attribute, System.Runtime.InteropServices, UnmanagedFunctionPointerAttribute)
220 static GENERATE_TRY_GET_CLASS_WITH_CACHE (icustom_marshaler, System.Runtime.InteropServices, ICustomMarshaler)
222 /* MonoMethod pointers to SafeHandle::DangerousAddRef and ::DangerousRelease */
223 static MonoMethod *sh_dangerous_add_ref;
224 static MonoMethod *sh_dangerous_release;
229 sh_dangerous_add_ref = mono_class_get_method_from_name (
230 mono_class_try_get_safehandle_class (), "DangerousAddRef", 1);
231 sh_dangerous_release = mono_class_get_method_from_name (
232 mono_class_try_get_safehandle_class (), "DangerousRelease", 0);
236 register_icall (gpointer func, const char *name, const char *sigstr, gboolean no_wrapper)
238 MonoMethodSignature *sig = mono_create_icall_signature (sigstr);
240 mono_register_jit_icall (func, name, sig, no_wrapper);
244 mono_signature_no_pinvoke (MonoMethod *method)
246 MonoMethodSignature *sig = mono_method_signature (method);
248 sig = mono_metadata_signature_dup_full (method->klass->image, sig);
249 sig->pinvoke = FALSE;
256 mono_marshal_init_tls (void)
258 mono_native_tls_alloc (&last_error_tls_id, NULL);
259 mono_native_tls_alloc (&load_type_info_tls_id, NULL);
263 mono_object_isinst_icall (MonoObject *obj, MonoClass *klass)
266 MonoObject *result = mono_object_isinst_checked (obj, klass, &error);
267 mono_error_set_pending_exception (&error);
272 ves_icall_mono_string_from_utf16 (gunichar2 *data)
275 MonoString *result = mono_string_from_utf16_checked (data, &error);
276 mono_error_set_pending_exception (&error);
281 ves_icall_mono_string_to_utf8 (MonoString *str)
284 char *result = mono_string_to_utf8_checked (str, &error);
285 mono_error_set_pending_exception (&error);
290 mono_marshal_init (void)
292 static gboolean module_initialized = FALSE;
294 if (!module_initialized) {
295 module_initialized = TRUE;
296 mono_os_mutex_init_recursive (&marshal_mutex);
297 marshal_mutex_initialized = TRUE;
299 register_icall (ves_icall_System_Threading_Thread_ResetAbort, "ves_icall_System_Threading_Thread_ResetAbort", "void", TRUE);
300 register_icall (mono_marshal_string_to_utf16, "mono_marshal_string_to_utf16", "ptr obj", FALSE);
301 register_icall (mono_marshal_string_to_utf16_copy, "mono_marshal_string_to_utf16_copy", "ptr obj", FALSE);
302 register_icall (mono_string_to_utf16, "mono_string_to_utf16", "ptr obj", FALSE);
303 register_icall (ves_icall_mono_string_from_utf16, "ves_icall_mono_string_from_utf16", "obj ptr", FALSE);
304 register_icall (mono_string_from_byvalstr, "mono_string_from_byvalstr", "obj ptr int", FALSE);
305 register_icall (mono_string_from_byvalwstr, "mono_string_from_byvalwstr", "obj ptr int", FALSE);
306 register_icall (mono_string_new_wrapper, "mono_string_new_wrapper", "obj ptr", FALSE);
307 register_icall (mono_string_new_len_wrapper, "mono_string_new_len_wrapper", "obj ptr int", FALSE);
308 register_icall (ves_icall_mono_string_to_utf8, "ves_icall_mono_string_to_utf8", "ptr obj", FALSE);
309 register_icall (mono_string_to_utf8str, "mono_string_to_utf8str", "ptr obj", FALSE);
310 register_icall (mono_string_to_ansibstr, "mono_string_to_ansibstr", "ptr object", FALSE);
311 register_icall (mono_string_builder_to_utf8, "mono_string_builder_to_utf8", "ptr object", FALSE);
312 register_icall (mono_string_builder_to_utf16, "mono_string_builder_to_utf16", "ptr object", FALSE);
313 register_icall (mono_array_to_savearray, "mono_array_to_savearray", "ptr object", FALSE);
314 register_icall (mono_array_to_lparray, "mono_array_to_lparray", "ptr object", FALSE);
315 register_icall (mono_free_lparray, "mono_free_lparray", "void object ptr", FALSE);
316 register_icall (mono_byvalarray_to_array, "mono_byvalarray_to_array", "void object ptr ptr int32", FALSE);
317 register_icall (mono_byvalarray_to_byte_array, "mono_byvalarray_to_byte_array", "void object ptr int32", FALSE);
318 register_icall (mono_array_to_byvalarray, "mono_array_to_byvalarray", "void ptr object ptr int32", FALSE);
319 register_icall (mono_array_to_byte_byvalarray, "mono_array_to_byte_byvalarray", "void ptr object int32", FALSE);
320 register_icall (mono_delegate_to_ftnptr, "mono_delegate_to_ftnptr", "ptr object", FALSE);
321 register_icall (mono_ftnptr_to_delegate, "mono_ftnptr_to_delegate", "object ptr ptr", FALSE);
322 register_icall (mono_marshal_asany, "mono_marshal_asany", "ptr object int32 int32", FALSE);
323 register_icall (mono_marshal_free_asany, "mono_marshal_free_asany", "void object ptr int32 int32", FALSE);
324 register_icall (ves_icall_marshal_alloc, "ves_icall_marshal_alloc", "ptr int32", FALSE);
325 register_icall (mono_marshal_free, "mono_marshal_free", "void ptr", FALSE);
326 register_icall (mono_marshal_set_last_error, "mono_marshal_set_last_error", "void", FALSE);
327 register_icall (mono_marshal_set_last_error_windows, "mono_marshal_set_last_error_windows", "void int32", FALSE);
328 register_icall (mono_string_utf8_to_builder, "mono_string_utf8_to_builder", "void ptr ptr", FALSE);
329 register_icall (mono_string_utf8_to_builder2, "mono_string_utf8_to_builder2", "object ptr", FALSE);
330 register_icall (mono_string_utf16_to_builder, "mono_string_utf16_to_builder", "void ptr ptr", FALSE);
331 register_icall (mono_string_utf16_to_builder2, "mono_string_utf16_to_builder2", "object ptr", FALSE);
332 register_icall (mono_marshal_free_array, "mono_marshal_free_array", "void ptr int32", FALSE);
333 register_icall (mono_string_to_byvalstr, "mono_string_to_byvalstr", "void ptr ptr int32", FALSE);
334 register_icall (mono_string_to_byvalwstr, "mono_string_to_byvalwstr", "void ptr ptr int32", FALSE);
335 register_icall (g_free, "g_free", "void ptr", FALSE);
336 register_icall (mono_object_isinst_icall, "mono_object_isinst_icall", "object object ptr", FALSE);
337 register_icall (mono_struct_delete_old, "mono_struct_delete_old", "void ptr ptr", FALSE);
338 register_icall (mono_delegate_begin_invoke, "mono_delegate_begin_invoke", "object object ptr", FALSE);
339 register_icall (mono_delegate_end_invoke, "mono_delegate_end_invoke", "object object ptr", FALSE);
340 register_icall (mono_context_get, "mono_context_get", "object", FALSE);
341 register_icall (mono_context_set, "mono_context_set", "void object", FALSE);
342 register_icall (mono_gc_wbarrier_generic_nostore, "wb_generic", "void ptr", FALSE);
343 register_icall (mono_gchandle_get_target, "mono_gchandle_get_target", "object int32", TRUE);
344 register_icall (mono_gchandle_new, "mono_gchandle_new", "uint32 object bool", TRUE);
345 register_icall (mono_marshal_isinst_with_cache, "mono_marshal_isinst_with_cache", "object object ptr ptr", FALSE);
346 register_icall (mono_marshal_ftnptr_eh_callback, "mono_marshal_ftnptr_eh_callback", "void uint32", TRUE);
347 register_icall (mono_threads_enter_gc_safe_region_unbalanced, "mono_threads_enter_gc_safe_region_unbalanced", "ptr ptr", TRUE);
348 register_icall (mono_threads_exit_gc_safe_region_unbalanced, "mono_threads_exit_gc_safe_region_unbalanced", "void ptr ptr", TRUE);
349 register_icall (mono_threads_attach_coop, "mono_threads_attach_coop", "ptr ptr ptr", TRUE);
350 register_icall (mono_threads_detach_coop, "mono_threads_detach_coop", "void ptr ptr", TRUE);
351 register_icall (mono_icall_start, "mono_icall_start", "ptr ptr ptr", TRUE);
352 register_icall (mono_icall_end, "mono_icall_end", "void ptr ptr ptr", TRUE);
353 register_icall (mono_handle_new, "mono_handle_new", "ptr ptr", TRUE);
355 mono_cominterop_init ();
356 mono_remoting_init ();
358 mono_counters_register ("MonoClass::class_marshal_info_count count",
359 MONO_COUNTER_METADATA | MONO_COUNTER_INT, &class_marshal_info_count);
365 mono_marshal_cleanup (void)
367 mono_cominterop_cleanup ();
369 mono_native_tls_free (load_type_info_tls_id);
370 mono_native_tls_free (last_error_tls_id);
371 mono_os_mutex_destroy (&marshal_mutex);
372 marshal_mutex_initialized = FALSE;
376 mono_marshal_lock_internal (void)
378 mono_marshal_lock ();
382 mono_marshal_unlock_internal (void)
384 mono_marshal_unlock ();
387 /* This is a JIT icall, it sets the pending exception and return NULL on error */
389 mono_delegate_to_ftnptr (MonoDelegate *delegate)
392 MonoMethod *method, *wrapper;
394 uint32_t target_handle = 0;
399 if (delegate->delegate_trampoline)
400 return delegate->delegate_trampoline;
402 klass = ((MonoObject *)delegate)->vtable->klass;
403 g_assert (klass->delegate);
405 method = delegate->method;
406 if (delegate->method_is_virtual)
407 method = mono_object_get_virtual_method (delegate->target, method);
409 if (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) {
410 const char *exc_class, *exc_arg;
413 ftnptr = mono_lookup_pinvoke_call (method, &exc_class, &exc_arg);
415 g_assert (exc_class);
416 mono_set_pending_exception (mono_exception_from_name_msg (mono_defaults.corlib, "System", exc_class, exc_arg));
422 if (delegate->target) {
423 /* Produce a location which can be embedded in JITted code */
424 target_handle = mono_gchandle_new_weakref (delegate->target, FALSE);
427 wrapper = mono_marshal_get_managed_wrapper (method, klass, target_handle);
429 delegate->delegate_trampoline = mono_compile_method_checked (wrapper, &error);
433 // Add the delegate to the delegate hash table
434 delegate_hash_table_add (delegate);
436 /* when the object is collected, collect the dynamic method, too */
437 mono_object_register_finalizer ((MonoObject*)delegate);
439 return delegate->delegate_trampoline;
442 if (target_handle != 0)
443 mono_gchandle_free (target_handle);
444 mono_error_set_pending_exception (&error);
449 * this hash table maps from a delegate trampoline object to a weak reference
450 * of the delegate. As an optimizations with a non-moving GC we store the
451 * object pointer itself, otherwise we use a GC handle.
453 static GHashTable *delegate_hash_table;
456 delegate_hash_table_new (void) {
457 return g_hash_table_new (NULL, NULL);
461 delegate_hash_table_remove (MonoDelegate *d)
463 guint32 gchandle = 0;
465 mono_marshal_lock ();
466 if (delegate_hash_table == NULL)
467 delegate_hash_table = delegate_hash_table_new ();
468 if (mono_gc_is_moving ())
469 gchandle = GPOINTER_TO_UINT (g_hash_table_lookup (delegate_hash_table, d->delegate_trampoline));
470 g_hash_table_remove (delegate_hash_table, d->delegate_trampoline);
471 mono_marshal_unlock ();
472 if (gchandle && mono_gc_is_moving ())
473 mono_gchandle_free (gchandle);
477 delegate_hash_table_add (MonoDelegate *d)
480 guint32 old_gchandle;
482 mono_marshal_lock ();
483 if (delegate_hash_table == NULL)
484 delegate_hash_table = delegate_hash_table_new ();
485 if (mono_gc_is_moving ()) {
486 gchandle = mono_gchandle_new_weakref ((MonoObject*)d, FALSE);
487 old_gchandle = GPOINTER_TO_UINT (g_hash_table_lookup (delegate_hash_table, d->delegate_trampoline));
488 g_hash_table_insert (delegate_hash_table, d->delegate_trampoline, GUINT_TO_POINTER (gchandle));
490 mono_gchandle_free (old_gchandle);
492 g_hash_table_insert (delegate_hash_table, d->delegate_trampoline, d);
494 mono_marshal_unlock ();
498 * mono_marshal_use_aot_wrappers:
500 * Instructs this module to use AOT compatible wrappers.
503 mono_marshal_use_aot_wrappers (gboolean use)
505 use_aot_wrappers = use;
509 parse_unmanaged_function_pointer_attr (MonoClass *klass, MonoMethodPInvoke *piinfo)
512 MonoCustomAttrInfo *cinfo;
513 MonoReflectionUnmanagedFunctionPointerAttribute *attr;
515 /* The attribute is only available in Net 2.0 */
516 if (mono_class_try_get_unmanaged_function_pointer_attribute_class ()) {
518 * The pinvoke attributes are stored in a real custom attribute so we have to
521 cinfo = mono_custom_attrs_from_class_checked (klass, &error);
522 if (!mono_error_ok (&error)) {
523 g_warning ("Could not load UnmanagedFunctionPointerAttribute due to %s", mono_error_get_message (&error));
524 mono_error_cleanup (&error);
526 if (cinfo && !mono_runtime_get_no_exec ()) {
527 attr = (MonoReflectionUnmanagedFunctionPointerAttribute*)mono_custom_attrs_get_attr_checked (cinfo, mono_class_try_get_unmanaged_function_pointer_attribute_class (), &error);
529 piinfo->piflags = (attr->call_conv << 8) | (attr->charset ? (attr->charset - 1) * 2 : 1) | attr->set_last_error;
531 if (!mono_error_ok (&error)) {
532 g_warning ("Could not load UnmanagedFunctionPointerAttribute due to %s", mono_error_get_message (&error));
533 mono_error_cleanup (&error);
537 mono_custom_attrs_free (cinfo);
542 /* This is a JIT icall, it sets the pending exception and returns NULL on error */
544 mono_ftnptr_to_delegate (MonoClass *klass, gpointer ftn)
553 mono_marshal_lock ();
554 if (delegate_hash_table == NULL)
555 delegate_hash_table = delegate_hash_table_new ();
557 if (mono_gc_is_moving ()) {
558 gchandle = GPOINTER_TO_UINT (g_hash_table_lookup (delegate_hash_table, ftn));
559 mono_marshal_unlock ();
561 d = (MonoDelegate*)mono_gchandle_get_target (gchandle);
565 d = (MonoDelegate *)g_hash_table_lookup (delegate_hash_table, ftn);
566 mono_marshal_unlock ();
569 /* This is a native function, so construct a delegate for it */
570 MonoMethodSignature *sig;
572 MonoMarshalSpec **mspecs;
573 MonoMethod *invoke = mono_get_delegate_invoke (klass);
574 MonoMethodPInvoke piinfo;
575 MonoObject *this_obj;
578 if (use_aot_wrappers) {
579 wrapper = mono_marshal_get_native_func_wrapper_aot (klass);
580 this_obj = mono_value_box_checked (mono_domain_get (), mono_defaults.int_class, &ftn, &error);
581 if (!is_ok (&error)) {
582 mono_error_set_pending_exception (&error);
586 memset (&piinfo, 0, sizeof (piinfo));
587 parse_unmanaged_function_pointer_attr (klass, &piinfo);
589 mspecs = g_new0 (MonoMarshalSpec*, mono_method_signature (invoke)->param_count + 1);
590 mono_method_get_marshal_info (invoke, mspecs);
591 /* Freed below so don't alloc from mempool */
592 sig = mono_metadata_signature_dup (mono_method_signature (invoke));
595 wrapper = mono_marshal_get_native_func_wrapper (klass->image, sig, &piinfo, mspecs, ftn);
598 for (i = mono_method_signature (invoke)->param_count; i >= 0; i--)
600 mono_metadata_free_marshal_spec (mspecs [i]);
605 d = (MonoDelegate*)mono_object_new_checked (mono_domain_get (), klass, &error);
606 if (!mono_error_ok (&error)) {
607 mono_error_set_pending_exception (&error);
610 gpointer compiled_ptr = mono_compile_method_checked (wrapper, &error);
611 if (mono_error_set_pending_exception (&error))
613 mono_delegate_ctor_with_method ((MonoObject*)d, this_obj, compiled_ptr, wrapper, &error);
614 if (mono_error_set_pending_exception (&error))
618 if (d->object.vtable->domain != mono_domain_get ()) {
619 mono_set_pending_exception (mono_get_exception_not_supported ("Delegates cannot be marshalled from native code into a domain other than their home domain"));
627 mono_delegate_free_ftnptr (MonoDelegate *delegate)
632 delegate_hash_table_remove (delegate);
634 ptr = (gpointer)InterlockedExchangePointer (&delegate->delegate_trampoline, NULL);
636 if (!delegate->target) {
637 /* The wrapper method is shared between delegates -> no need to free it */
646 ji = mono_jit_info_table_find (mono_domain_get (), (char *)mono_get_addr_from_ftnptr (ptr));
649 method = mono_jit_info_get_method (ji);
650 method_data = (void **)((MonoMethodWrapper*)method)->method_data;
652 /*the target gchandle is the first entry after size and the wrapper itself.*/
653 gchandle = GPOINTER_TO_UINT (method_data [2]);
656 mono_gchandle_free (gchandle);
658 mono_runtime_free_method (mono_object_domain (delegate), method);
662 /* This is a JIT icall, it sets the pending exception and returns NULL on error */
664 mono_string_from_byvalstr (const char *data, int max_len)
667 MonoDomain *domain = mono_domain_get ();
673 while (len < max_len - 1 && data [len])
676 MonoString *result = mono_string_new_len_checked (domain, data, len, &error);
677 mono_error_set_pending_exception (&error);
681 /* This is a JIT icall, it sets the pending exception and return NULL on error */
683 mono_string_from_byvalwstr (gunichar2 *data, int max_len)
686 MonoString *res = NULL;
687 MonoDomain *domain = mono_domain_get ();
693 while (data [len]) len++;
695 res = mono_string_new_utf16_checked (domain, data, MIN (len, max_len), &error);
696 if (!mono_error_ok (&error)) {
697 mono_error_set_pending_exception (&error);
704 mono_array_to_savearray (MonoArray *array)
709 g_assert_not_reached ();
714 mono_array_to_lparray (MonoArray *array)
717 gpointer *nativeArray = NULL;
718 int nativeArraySize = 0;
728 klass = array->obj.vtable->klass;
730 switch (klass->element_class->byval_arg.type) {
732 g_assert_not_reached ();
734 case MONO_TYPE_CLASS:
735 nativeArraySize = array->max_length;
736 nativeArray = (void **)malloc(sizeof(gpointer) * nativeArraySize);
737 for(i = 0; i < nativeArraySize; ++i)
738 nativeArray[i] = ves_icall_System_Runtime_InteropServices_Marshal_GetIUnknownForObjectInternal(((MonoObject **)array->vector)[i]);
741 case MONO_TYPE_BOOLEAN:
754 case MONO_TYPE_VALUETYPE:
758 case MONO_TYPE_GENERICINST:
759 case MONO_TYPE_OBJECT:
760 case MONO_TYPE_ARRAY:
761 case MONO_TYPE_SZARRAY:
762 case MONO_TYPE_STRING:
764 g_warning ("type 0x%x not handled", klass->element_class->byval_arg.type);
765 g_assert_not_reached ();
768 return array->vector;
772 mono_free_lparray (MonoArray *array, gpointer* nativeArray)
783 klass = array->obj.vtable->klass;
785 if (klass->element_class->byval_arg.type == MONO_TYPE_CLASS) {
786 for(i = 0; i < array->max_length; ++i)
787 mono_marshal_free_ccw (mono_array_get (array, MonoObject*, i));
788 g_free (nativeArray);
794 mono_byvalarray_to_array (MonoArray *arr, gpointer native_arr, MonoClass *elclass, guint32 elnum)
796 g_assert (arr->obj.vtable->klass->element_class == mono_defaults.char_class);
798 if (elclass == mono_defaults.byte_class) {
799 GError *error = NULL;
803 ut = g_utf8_to_utf16 ((const gchar *)native_arr, elnum, NULL, &items_written, &error);
806 memcpy (mono_array_addr (arr, guint16, 0), ut, items_written * sizeof (guint16));
810 g_error_free (error);
813 g_assert_not_reached ();
817 mono_byvalarray_to_byte_array (MonoArray *arr, gpointer native_arr, guint32 elnum)
819 mono_byvalarray_to_array (arr, native_arr, mono_defaults.byte_class, elnum);
822 /* This is a JIT icall, it sets the pending exception and returns on error */
824 mono_array_to_byvalarray (gpointer native_arr, MonoArray *arr, MonoClass *elclass, guint32 elnum)
826 g_assert (arr->obj.vtable->klass->element_class == mono_defaults.char_class);
828 if (elclass == mono_defaults.byte_class) {
830 GError *error = NULL;
832 as = g_utf16_to_utf8 (mono_array_addr (arr, gunichar2, 0), mono_array_length (arr), NULL, NULL, &error);
834 mono_set_pending_exception (mono_get_exception_argument ("string", error->message));
835 g_error_free (error);
839 memcpy (native_arr, as, MIN (strlen (as), elnum));
842 g_assert_not_reached ();
847 mono_array_to_byte_byvalarray (gpointer native_arr, MonoArray *arr, guint32 elnum)
849 mono_array_to_byvalarray (native_arr, arr, mono_defaults.byte_class, elnum);
852 static MonoStringBuilder *
853 mono_string_builder_new (int starting_string_length)
855 static MonoClass *string_builder_class;
856 static MonoMethod *sb_ctor;
857 static void *args [1];
860 int initial_len = starting_string_length;
866 MonoMethodDesc *desc;
869 string_builder_class = mono_class_get_string_builder_class ();
870 g_assert (string_builder_class);
871 desc = mono_method_desc_new (":.ctor(int)", FALSE);
872 m = mono_method_desc_search_in_class (desc, string_builder_class);
874 mono_method_desc_free (desc);
875 mono_memory_barrier ();
879 // We make a new array in the _to_builder function, so this
880 // array will always be garbage collected.
881 args [0] = &initial_len;
883 MonoStringBuilder *sb = (MonoStringBuilder*)mono_object_new_checked (mono_domain_get (), string_builder_class, &error);
884 mono_error_assert_ok (&error);
887 mono_runtime_try_invoke (sb_ctor, sb, args, &exc, &error);
888 g_assert (exc == NULL);
889 mono_error_assert_ok (&error);
891 g_assert (sb->chunkChars->max_length >= initial_len);
897 mono_string_utf16_to_builder_copy (MonoStringBuilder *sb, gunichar2 *text, size_t string_len)
899 gunichar2 *charDst = (gunichar2 *)sb->chunkChars->vector;
900 gunichar2 *charSrc = (gunichar2 *)text;
901 memcpy (charDst, charSrc, sizeof (gunichar2) * string_len);
903 sb->chunkLength = string_len;
909 mono_string_utf16_to_builder2 (gunichar2 *text)
915 for (len = 0; text [len] != 0; ++len);
917 MonoStringBuilder *sb = mono_string_builder_new (len);
918 mono_string_utf16_to_builder (sb, text);
924 mono_string_utf8_to_builder (MonoStringBuilder *sb, char *text)
929 GError *error = NULL;
931 gunichar2* ut = g_utf8_to_utf16 (text, strlen (text), NULL, &copied, &error);
932 int capacity = mono_string_builder_capacity (sb);
934 if (copied > capacity)
938 MONO_OBJECT_SETREF (sb, chunkPrevious, NULL);
939 mono_string_utf16_to_builder_copy (sb, ut, copied);
941 g_error_free (error);
947 mono_string_utf8_to_builder2 (char *text)
952 int len = strlen (text);
953 MonoStringBuilder *sb = mono_string_builder_new (len);
954 mono_string_utf8_to_builder (sb, text);
960 mono_string_utf16_to_builder (MonoStringBuilder *sb, gunichar2 *text)
966 for (len = 0; text [len] != 0; ++len);
968 if (len > mono_string_builder_capacity (sb))
969 len = mono_string_builder_capacity (sb);
971 mono_string_utf16_to_builder_copy (sb, text, len);
975 * mono_string_builder_to_utf8:
976 * @sb: the string builder
978 * Converts to utf8 the contents of the MonoStringBuilder.
980 * Returns: a utf8 string with the contents of the StringBuilder.
982 * The return value must be released with mono_marshal_free.
984 * This is a JIT icall, it sets the pending exception and returns NULL on error.
987 mono_string_builder_to_utf8 (MonoStringBuilder *sb)
990 GError *gerror = NULL;
995 gunichar2 *str_utf16 = mono_string_builder_to_utf16 (sb);
997 guint str_len = mono_string_builder_string_length (sb);
999 gchar *tmp = g_utf16_to_utf8 (str_utf16, str_len, NULL, &byte_count, &gerror);
1002 g_error_free (gerror);
1003 mono_marshal_free (str_utf16);
1004 mono_set_pending_exception (mono_get_exception_execution_engine ("Failed to convert StringBuilder from utf16 to utf8"));
1007 guint len = mono_string_builder_capacity (sb) + 1;
1008 gchar *res = (gchar *)mono_marshal_alloc (MAX (byte_count+1, len * sizeof (gchar)), &error);
1009 if (!mono_error_ok (&error)) {
1010 mono_marshal_free (str_utf16);
1012 mono_error_set_pending_exception (&error);
1016 memcpy (res, tmp, byte_count);
1017 res[byte_count] = '\0';
1019 mono_marshal_free (str_utf16);
1026 * mono_string_builder_to_utf16:
1027 * @sb: the string builder
1029 * Converts to utf16 the contents of the MonoStringBuilder.
1031 * Returns: a utf16 string with the contents of the StringBuilder.
1033 * The return value must be released with mono_marshal_free.
1035 * This is a JIT icall, it sets the pending exception and returns NULL on error.
1038 mono_string_builder_to_utf16 (MonoStringBuilder *sb)
1045 g_assert (sb->chunkChars);
1047 guint len = mono_string_builder_capacity (sb);
1052 gunichar2 *str = (gunichar2 *)mono_marshal_alloc ((len + 1) * sizeof (gunichar2), &error);
1053 if (!mono_error_ok (&error)) {
1054 mono_error_set_pending_exception (&error);
1063 MonoStringBuilder* chunk = sb;
1065 if (chunk->chunkLength > 0) {
1066 // Check that we will not overrun our boundaries.
1067 gunichar2 *source = (gunichar2 *)chunk->chunkChars->vector;
1069 if (chunk->chunkLength <= len) {
1070 memcpy (str + chunk->chunkOffset, source, chunk->chunkLength * sizeof(gunichar2));
1072 g_error ("A chunk in the StringBuilder had a length longer than expected from the offset.");
1075 len -= chunk->chunkLength;
1077 chunk = chunk->chunkPrevious;
1078 } while (chunk != NULL);
1083 /* This is a JIT icall, it sets the pending exception and returns NULL on error. */
1085 mono_string_to_utf8str (MonoString *s)
1088 char *result = mono_string_to_utf8_checked (s, &error);
1089 mono_error_set_pending_exception (&error);
1094 mono_string_to_ansibstr (MonoString *string_obj)
1096 g_error ("UnmanagedMarshal.BStr is not implemented.");
1101 * mono_string_to_byvalstr:
1102 * @dst: Where to store the null-terminated utf8 decoded string.
1103 * @src: the MonoString to copy.
1104 * @size: the maximum number of bytes to copy.
1106 * Copies the MonoString pointed to by @src as a utf8 string
1107 * into @dst, it copies at most @size bytes into the destination.
1110 mono_string_to_byvalstr (gpointer dst, MonoString *src, int size)
1116 g_assert (dst != NULL);
1117 g_assert (size > 0);
1119 memset (dst, 0, size);
1123 s = mono_string_to_utf8_checked (src, &error);
1124 if (mono_error_set_pending_exception (&error))
1126 len = MIN (size, strlen (s));
1129 memcpy (dst, s, len);
1134 * mono_string_to_byvalwstr:
1135 * @dst: Where to store the null-terminated utf16 decoded string.
1136 * @src: the MonoString to copy.
1137 * @size: the maximum number of bytes to copy.
1139 * Copies the MonoString pointed to by @src as a utf16 string into
1140 * @dst, it copies at most @size bytes into the destination (including
1141 * a terminating 16-bit zero terminator).
1144 mono_string_to_byvalwstr (gpointer dst, MonoString *src, int size)
1148 g_assert (dst != NULL);
1149 g_assert (size > 1);
1152 memset (dst, 0, size * 2);
1156 len = MIN (size, (mono_string_length (src)));
1157 memcpy (dst, mono_string_chars (src), size * 2);
1158 if (size <= mono_string_length (src))
1160 *((gunichar2 *) dst + len) = 0;
1163 /* this is an icall, it sets the pending exception and returns NULL on error */
1165 mono_string_new_len_wrapper (const char *text, guint length)
1168 MonoString *result = mono_string_new_len_checked (mono_domain_get (), text, length, &error);
1169 mono_error_set_pending_exception (&error);
1176 * mono_mb_emit_exception_marshal_directive:
1178 * This function assumes ownership of MSG, which should be malloc-ed.
1181 mono_mb_emit_exception_marshal_directive (MonoMethodBuilder *mb, char *msg)
1186 s = mono_image_strdup (mb->method->klass->image, msg);
1191 mono_mb_emit_exception_full (mb, "System.Runtime.InteropServices", "MarshalDirectiveException", s);
1194 #endif /* !DISABLE_JIT */
1197 mono_type_to_ldind (MonoType *type)
1203 switch (type->type) {
1205 return CEE_LDIND_I1;
1207 case MONO_TYPE_BOOLEAN:
1208 return CEE_LDIND_U1;
1210 return CEE_LDIND_I2;
1212 case MONO_TYPE_CHAR:
1213 return CEE_LDIND_U2;
1215 return CEE_LDIND_I4;
1217 return CEE_LDIND_U4;
1221 case MONO_TYPE_FNPTR:
1223 case MONO_TYPE_CLASS:
1224 case MONO_TYPE_STRING:
1225 case MONO_TYPE_OBJECT:
1226 case MONO_TYPE_SZARRAY:
1227 case MONO_TYPE_ARRAY:
1228 return CEE_LDIND_REF;
1231 return CEE_LDIND_I8;
1233 return CEE_LDIND_R4;
1235 return CEE_LDIND_R8;
1236 case MONO_TYPE_VALUETYPE:
1237 if (type->data.klass->enumtype) {
1238 type = mono_class_enum_basetype (type->data.klass);
1242 case MONO_TYPE_TYPEDBYREF:
1244 case MONO_TYPE_GENERICINST:
1245 type = &type->data.generic_class->container_class->byval_arg;
1248 g_error ("unknown type 0x%02x in type_to_ldind", type->type);
1254 mono_type_to_stind (MonoType *type)
1257 return MONO_TYPE_IS_REFERENCE (type) ? CEE_STIND_REF : CEE_STIND_I;
1261 switch (type->type) {
1264 case MONO_TYPE_BOOLEAN:
1265 return CEE_STIND_I1;
1268 case MONO_TYPE_CHAR:
1269 return CEE_STIND_I2;
1272 return CEE_STIND_I4;
1276 case MONO_TYPE_FNPTR:
1278 case MONO_TYPE_CLASS:
1279 case MONO_TYPE_STRING:
1280 case MONO_TYPE_OBJECT:
1281 case MONO_TYPE_SZARRAY:
1282 case MONO_TYPE_ARRAY:
1283 return CEE_STIND_REF;
1286 return CEE_STIND_I8;
1288 return CEE_STIND_R4;
1290 return CEE_STIND_R8;
1291 case MONO_TYPE_VALUETYPE:
1292 if (type->data.klass->enumtype) {
1293 type = mono_class_enum_basetype (type->data.klass);
1297 case MONO_TYPE_TYPEDBYREF:
1299 case MONO_TYPE_GENERICINST:
1300 type = &type->data.generic_class->container_class->byval_arg;
1303 g_error ("unknown type 0x%02x in type_to_stind", type->type);
1311 emit_ptr_to_object_conv (MonoMethodBuilder *mb, MonoType *type, MonoMarshalConv conv, MonoMarshalSpec *mspec)
1314 case MONO_MARSHAL_CONV_BOOL_I4:
1315 mono_mb_emit_ldloc (mb, 1);
1316 mono_mb_emit_ldloc (mb, 0);
1317 mono_mb_emit_byte (mb, CEE_LDIND_I4);
1318 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
1319 mono_mb_emit_byte (mb, 3);
1320 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
1321 mono_mb_emit_byte (mb, CEE_BR_S);
1322 mono_mb_emit_byte (mb, 1);
1323 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
1324 mono_mb_emit_byte (mb, CEE_STIND_I1);
1326 case MONO_MARSHAL_CONV_BOOL_VARIANTBOOL:
1327 mono_mb_emit_ldloc (mb, 1);
1328 mono_mb_emit_ldloc (mb, 0);
1329 mono_mb_emit_byte (mb, CEE_LDIND_I2);
1330 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
1331 mono_mb_emit_byte (mb, 3);
1332 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
1333 mono_mb_emit_byte (mb, CEE_BR_S);
1334 mono_mb_emit_byte (mb, 1);
1335 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
1336 mono_mb_emit_byte (mb, CEE_STIND_I1);
1338 case MONO_MARSHAL_CONV_ARRAY_BYVALARRAY: {
1339 MonoClass *eklass = NULL;
1342 if (type->type == MONO_TYPE_SZARRAY) {
1343 eklass = type->data.klass;
1345 g_assert_not_reached ();
1348 esize = mono_class_native_size (eklass, NULL);
1350 /* create a new array */
1351 mono_mb_emit_ldloc (mb, 1);
1352 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1353 mono_mb_emit_op (mb, CEE_NEWARR, eklass);
1354 mono_mb_emit_byte (mb, CEE_STIND_REF);
1356 if (eklass->blittable) {
1357 /* copy the elements */
1358 mono_mb_emit_ldloc (mb, 1);
1359 mono_mb_emit_byte (mb, CEE_LDIND_I);
1360 mono_mb_emit_icon (mb, MONO_STRUCT_OFFSET (MonoArray, vector));
1361 mono_mb_emit_byte (mb, CEE_ADD);
1362 mono_mb_emit_ldloc (mb, 0);
1363 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem * esize);
1364 mono_mb_emit_byte (mb, CEE_PREFIX1);
1365 mono_mb_emit_byte (mb, CEE_CPBLK);
1368 int array_var, src_var, dst_var, index_var;
1369 guint32 label2, label3;
1371 array_var = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
1372 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1373 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1376 mono_mb_emit_ldloc (mb, 1);
1377 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1378 mono_mb_emit_stloc (mb, array_var);
1380 /* save the old src pointer */
1381 mono_mb_emit_ldloc (mb, 0);
1382 mono_mb_emit_stloc (mb, src_var);
1383 /* save the old dst pointer */
1384 mono_mb_emit_ldloc (mb, 1);
1385 mono_mb_emit_stloc (mb, dst_var);
1387 /* Emit marshalling loop */
1388 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1389 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
1390 mono_mb_emit_stloc (mb, index_var);
1393 label2 = mono_mb_get_label (mb);
1394 mono_mb_emit_ldloc (mb, index_var);
1395 mono_mb_emit_ldloc (mb, array_var);
1396 mono_mb_emit_byte (mb, CEE_LDLEN);
1397 label3 = mono_mb_emit_branch (mb, CEE_BGE);
1399 /* src is already set */
1402 mono_mb_emit_ldloc (mb, array_var);
1403 mono_mb_emit_ldloc (mb, index_var);
1404 mono_mb_emit_op (mb, CEE_LDELEMA, eklass);
1405 mono_mb_emit_stloc (mb, 1);
1407 /* Do the conversion */
1408 emit_struct_conv (mb, eklass, TRUE);
1411 mono_mb_emit_add_to_local (mb, index_var, 1);
1413 mono_mb_emit_branch_label (mb, CEE_BR, label2);
1415 mono_mb_patch_branch (mb, label3);
1417 /* restore the old src pointer */
1418 mono_mb_emit_ldloc (mb, src_var);
1419 mono_mb_emit_stloc (mb, 0);
1420 /* restore the old dst pointer */
1421 mono_mb_emit_ldloc (mb, dst_var);
1422 mono_mb_emit_stloc (mb, 1);
1426 case MONO_MARSHAL_CONV_ARRAY_BYVALCHARARRAY: {
1427 MonoClass *eclass = mono_defaults.char_class;
1429 /* create a new array */
1430 mono_mb_emit_ldloc (mb, 1);
1431 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1432 mono_mb_emit_op (mb, CEE_NEWARR, eclass);
1433 mono_mb_emit_byte (mb, CEE_STIND_REF);
1435 mono_mb_emit_ldloc (mb, 1);
1436 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1437 mono_mb_emit_ldloc (mb, 0);
1438 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1439 mono_mb_emit_icall (mb, mono_byvalarray_to_byte_array);
1442 case MONO_MARSHAL_CONV_STR_BYVALSTR:
1443 if (mspec && mspec->native == MONO_NATIVE_BYVALTSTR && mspec->data.array_data.num_elem) {
1444 mono_mb_emit_ldloc (mb, 1);
1445 mono_mb_emit_ldloc (mb, 0);
1446 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1447 mono_mb_emit_icall (mb, mono_string_from_byvalstr);
1449 mono_mb_emit_ldloc (mb, 1);
1450 mono_mb_emit_ldloc (mb, 0);
1451 mono_mb_emit_icall (mb, mono_string_new_wrapper);
1453 mono_mb_emit_byte (mb, CEE_STIND_REF);
1455 case MONO_MARSHAL_CONV_STR_BYVALWSTR:
1456 if (mspec && mspec->native == MONO_NATIVE_BYVALTSTR && mspec->data.array_data.num_elem) {
1457 mono_mb_emit_ldloc (mb, 1);
1458 mono_mb_emit_ldloc (mb, 0);
1459 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1460 mono_mb_emit_icall (mb, mono_string_from_byvalwstr);
1462 mono_mb_emit_ldloc (mb, 1);
1463 mono_mb_emit_ldloc (mb, 0);
1464 mono_mb_emit_icall (mb, ves_icall_mono_string_from_utf16);
1466 mono_mb_emit_byte (mb, CEE_STIND_REF);
1468 case MONO_MARSHAL_CONV_STR_LPTSTR:
1469 mono_mb_emit_ldloc (mb, 1);
1470 mono_mb_emit_ldloc (mb, 0);
1471 mono_mb_emit_byte (mb, CEE_LDIND_I);
1473 mono_mb_emit_icall (mb, ves_icall_mono_string_from_utf16);
1475 mono_mb_emit_icall (mb, mono_string_new_wrapper);
1477 mono_mb_emit_byte (mb, CEE_STIND_REF);
1480 // In Mono historically LPSTR was treated as a UTF8STR
1481 case MONO_MARSHAL_CONV_STR_LPSTR:
1482 case MONO_MARSHAL_CONV_STR_UTF8STR:
1483 mono_mb_emit_ldloc (mb, 1);
1484 mono_mb_emit_ldloc (mb, 0);
1485 mono_mb_emit_byte (mb, CEE_LDIND_I);
1486 mono_mb_emit_icall (mb, mono_string_new_wrapper);
1487 mono_mb_emit_byte (mb, CEE_STIND_REF);
1489 case MONO_MARSHAL_CONV_STR_LPWSTR:
1490 mono_mb_emit_ldloc (mb, 1);
1491 mono_mb_emit_ldloc (mb, 0);
1492 mono_mb_emit_byte (mb, CEE_LDIND_I);
1493 mono_mb_emit_icall (mb, ves_icall_mono_string_from_utf16);
1494 mono_mb_emit_byte (mb, CEE_STIND_REF);
1496 case MONO_MARSHAL_CONV_OBJECT_STRUCT: {
1497 MonoClass *klass = mono_class_from_mono_type (type);
1498 int src_var, dst_var;
1500 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1501 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1503 /* *dst = new object */
1504 mono_mb_emit_ldloc (mb, 1);
1505 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1506 mono_mb_emit_op (mb, CEE_MONO_NEWOBJ, klass);
1507 mono_mb_emit_byte (mb, CEE_STIND_REF);
1509 /* save the old src pointer */
1510 mono_mb_emit_ldloc (mb, 0);
1511 mono_mb_emit_stloc (mb, src_var);
1512 /* save the old dst pointer */
1513 mono_mb_emit_ldloc (mb, 1);
1514 mono_mb_emit_stloc (mb, dst_var);
1516 /* dst = pointer to newly created object data */
1517 mono_mb_emit_ldloc (mb, 1);
1518 mono_mb_emit_byte (mb, CEE_LDIND_I);
1519 mono_mb_emit_icon (mb, sizeof (MonoObject));
1520 mono_mb_emit_byte (mb, CEE_ADD);
1521 mono_mb_emit_stloc (mb, 1);
1523 emit_struct_conv (mb, klass, TRUE);
1525 /* restore the old src pointer */
1526 mono_mb_emit_ldloc (mb, src_var);
1527 mono_mb_emit_stloc (mb, 0);
1528 /* restore the old dst pointer */
1529 mono_mb_emit_ldloc (mb, dst_var);
1530 mono_mb_emit_stloc (mb, 1);
1533 case MONO_MARSHAL_CONV_DEL_FTN: {
1534 MonoClass *klass = mono_class_from_mono_type (type);
1536 mono_mb_emit_ldloc (mb, 1);
1537 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1538 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
1539 mono_mb_emit_ldloc (mb, 0);
1540 mono_mb_emit_byte (mb, CEE_LDIND_I);
1541 mono_mb_emit_icall (mb, mono_ftnptr_to_delegate);
1542 mono_mb_emit_byte (mb, CEE_STIND_REF);
1545 case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
1546 g_error ("Structure field of type %s can't be marshalled as LPArray", mono_class_from_mono_type (type)->name);
1550 case MONO_MARSHAL_CONV_OBJECT_INTERFACE:
1551 case MONO_MARSHAL_CONV_OBJECT_IUNKNOWN:
1552 case MONO_MARSHAL_CONV_OBJECT_IDISPATCH:
1553 mono_cominterop_emit_ptr_to_object_conv (mb, type, conv, mspec);
1555 #endif /* DISABLE_COM */
1557 case MONO_MARSHAL_CONV_SAFEHANDLE: {
1559 * Passing SafeHandles as ref does not allow the unmanaged code
1560 * to change the SafeHandle value. If the value is changed,
1561 * we should issue a diagnostic exception (NotSupportedException)
1562 * that informs the user that changes to handles in unmanaged code
1565 * Since we currently have no access to the original
1566 * SafeHandle that was used during the marshalling,
1567 * for now we just ignore this, and ignore/discard any
1568 * changes that might have happened to the handle.
1573 case MONO_MARSHAL_CONV_HANDLEREF: {
1575 * Passing HandleRefs in a struct that is ref()ed does not
1576 * copy the values back to the HandleRef
1581 case MONO_MARSHAL_CONV_STR_BSTR:
1582 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
1583 case MONO_MARSHAL_CONV_STR_TBSTR:
1584 case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
1586 char *msg = g_strdup_printf ("marshaling conversion %d not implemented", conv);
1588 mono_mb_emit_exception_marshal_directive (mb, msg);
1595 conv_to_icall (MonoMarshalConv conv, int *ind_store_type)
1598 if (!ind_store_type)
1599 ind_store_type = &dummy;
1600 *ind_store_type = CEE_STIND_I;
1602 case MONO_MARSHAL_CONV_STR_LPWSTR:
1603 return mono_marshal_string_to_utf16;
1604 case MONO_MARSHAL_CONV_LPWSTR_STR:
1605 *ind_store_type = CEE_STIND_REF;
1606 return ves_icall_mono_string_from_utf16;
1607 case MONO_MARSHAL_CONV_LPTSTR_STR:
1608 *ind_store_type = CEE_STIND_REF;
1609 return mono_string_new_wrapper;
1610 case MONO_MARSHAL_CONV_UTF8STR_STR:
1611 case MONO_MARSHAL_CONV_LPSTR_STR:
1612 *ind_store_type = CEE_STIND_REF;
1613 return mono_string_new_wrapper;
1614 case MONO_MARSHAL_CONV_STR_LPTSTR:
1616 return mono_marshal_string_to_utf16;
1618 return mono_string_to_utf8str;
1620 // In Mono historically LPSTR was treated as a UTF8STR
1621 case MONO_MARSHAL_CONV_STR_UTF8STR:
1622 case MONO_MARSHAL_CONV_STR_LPSTR:
1623 return mono_string_to_utf8str;
1624 case MONO_MARSHAL_CONV_STR_BSTR:
1625 return mono_string_to_bstr;
1626 case MONO_MARSHAL_CONV_BSTR_STR:
1627 *ind_store_type = CEE_STIND_REF;
1628 return mono_string_from_bstr_icall;
1629 case MONO_MARSHAL_CONV_STR_TBSTR:
1630 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
1631 return mono_string_to_ansibstr;
1632 case MONO_MARSHAL_CONV_SB_UTF8STR:
1633 case MONO_MARSHAL_CONV_SB_LPSTR:
1634 return mono_string_builder_to_utf8;
1635 case MONO_MARSHAL_CONV_SB_LPTSTR:
1637 return mono_string_builder_to_utf16;
1639 return mono_string_builder_to_utf8;
1641 case MONO_MARSHAL_CONV_SB_LPWSTR:
1642 return mono_string_builder_to_utf16;
1643 case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
1644 return mono_array_to_savearray;
1645 case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
1646 return mono_array_to_lparray;
1647 case MONO_MARSHAL_FREE_LPARRAY:
1648 return mono_free_lparray;
1649 case MONO_MARSHAL_CONV_DEL_FTN:
1650 return mono_delegate_to_ftnptr;
1651 case MONO_MARSHAL_CONV_FTN_DEL:
1652 *ind_store_type = CEE_STIND_REF;
1653 return mono_ftnptr_to_delegate;
1654 case MONO_MARSHAL_CONV_UTF8STR_SB:
1655 case MONO_MARSHAL_CONV_LPSTR_SB:
1656 *ind_store_type = CEE_STIND_REF;
1657 return mono_string_utf8_to_builder;
1658 case MONO_MARSHAL_CONV_LPTSTR_SB:
1659 *ind_store_type = CEE_STIND_REF;
1661 return mono_string_utf16_to_builder;
1663 return mono_string_utf8_to_builder;
1665 case MONO_MARSHAL_CONV_LPWSTR_SB:
1666 *ind_store_type = CEE_STIND_REF;
1667 return mono_string_utf16_to_builder;
1668 case MONO_MARSHAL_FREE_ARRAY:
1669 return mono_marshal_free_array;
1670 case MONO_MARSHAL_CONV_STR_BYVALSTR:
1671 return mono_string_to_byvalstr;
1672 case MONO_MARSHAL_CONV_STR_BYVALWSTR:
1673 return mono_string_to_byvalwstr;
1675 g_assert_not_reached ();
1682 emit_object_to_ptr_conv (MonoMethodBuilder *mb, MonoType *type, MonoMarshalConv conv, MonoMarshalSpec *mspec)
1688 case MONO_MARSHAL_CONV_BOOL_I4:
1689 mono_mb_emit_ldloc (mb, 1);
1690 mono_mb_emit_ldloc (mb, 0);
1691 mono_mb_emit_byte (mb, CEE_LDIND_U1);
1692 mono_mb_emit_byte (mb, CEE_STIND_I4);
1694 case MONO_MARSHAL_CONV_BOOL_VARIANTBOOL:
1695 mono_mb_emit_ldloc (mb, 1);
1696 mono_mb_emit_ldloc (mb, 0);
1697 mono_mb_emit_byte (mb, CEE_LDIND_U1);
1698 mono_mb_emit_byte (mb, CEE_NEG);
1699 mono_mb_emit_byte (mb, CEE_STIND_I2);
1701 // In Mono historically LPSTR was treated as a UTF8STR
1702 case MONO_MARSHAL_CONV_STR_UTF8STR:
1703 case MONO_MARSHAL_CONV_STR_LPWSTR:
1704 case MONO_MARSHAL_CONV_STR_LPSTR:
1705 case MONO_MARSHAL_CONV_STR_LPTSTR:
1706 case MONO_MARSHAL_CONV_STR_BSTR:
1707 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
1708 case MONO_MARSHAL_CONV_STR_TBSTR: {
1711 /* free space if free == true */
1712 mono_mb_emit_ldloc (mb, 2);
1713 pos = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
1714 mono_mb_emit_ldloc (mb, 1);
1715 mono_mb_emit_byte (mb, CEE_LDIND_I);
1716 mono_mb_emit_icall (mb, g_free);
1717 mono_mb_patch_short_branch (mb, pos);
1719 mono_mb_emit_ldloc (mb, 1);
1720 mono_mb_emit_ldloc (mb, 0);
1721 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1722 mono_mb_emit_icall (mb, conv_to_icall (conv, &stind_op));
1723 mono_mb_emit_byte (mb, stind_op);
1726 case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
1727 case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
1728 case MONO_MARSHAL_CONV_DEL_FTN:
1729 mono_mb_emit_ldloc (mb, 1);
1730 mono_mb_emit_ldloc (mb, 0);
1731 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1732 mono_mb_emit_icall (mb, conv_to_icall (conv, &stind_op));
1733 mono_mb_emit_byte (mb, stind_op);
1735 case MONO_MARSHAL_CONV_STR_BYVALSTR:
1736 case MONO_MARSHAL_CONV_STR_BYVALWSTR: {
1739 mono_mb_emit_ldloc (mb, 1); /* dst */
1740 mono_mb_emit_ldloc (mb, 0);
1741 mono_mb_emit_byte (mb, CEE_LDIND_REF); /* src String */
1742 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1743 mono_mb_emit_icall (mb, conv_to_icall (conv, NULL));
1746 case MONO_MARSHAL_CONV_ARRAY_BYVALARRAY: {
1747 MonoClass *eklass = NULL;
1750 if (type->type == MONO_TYPE_SZARRAY) {
1751 eklass = type->data.klass;
1753 g_assert_not_reached ();
1756 if (eklass->valuetype)
1757 esize = mono_class_native_size (eklass, NULL);
1759 esize = sizeof (gpointer);
1761 mono_mb_emit_ldloc (mb, 0);
1762 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1763 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
1765 if (eklass->blittable) {
1766 mono_mb_emit_ldloc (mb, 1);
1767 mono_mb_emit_ldloc (mb, 0);
1768 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1769 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoArray, vector));
1770 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem * esize);
1771 mono_mb_emit_byte (mb, CEE_PREFIX1);
1772 mono_mb_emit_byte (mb, CEE_CPBLK);
1774 int array_var, src_var, dst_var, index_var;
1775 guint32 label2, label3;
1777 array_var = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
1778 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1779 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1782 mono_mb_emit_ldloc (mb, 0);
1783 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1784 mono_mb_emit_stloc (mb, array_var);
1786 /* save the old src pointer */
1787 mono_mb_emit_ldloc (mb, 0);
1788 mono_mb_emit_stloc (mb, src_var);
1789 /* save the old dst pointer */
1790 mono_mb_emit_ldloc (mb, 1);
1791 mono_mb_emit_stloc (mb, dst_var);
1793 /* Emit marshalling loop */
1794 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1795 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
1796 mono_mb_emit_stloc (mb, index_var);
1799 label2 = mono_mb_get_label (mb);
1800 mono_mb_emit_ldloc (mb, index_var);
1801 mono_mb_emit_ldloc (mb, array_var);
1802 mono_mb_emit_byte (mb, CEE_LDLEN);
1803 label3 = mono_mb_emit_branch (mb, CEE_BGE);
1806 mono_mb_emit_ldloc (mb, array_var);
1807 mono_mb_emit_ldloc (mb, index_var);
1808 mono_mb_emit_op (mb, CEE_LDELEMA, eklass);
1809 mono_mb_emit_stloc (mb, 0);
1811 /* dst is already set */
1813 /* Do the conversion */
1814 emit_struct_conv (mb, eklass, FALSE);
1817 mono_mb_emit_add_to_local (mb, index_var, 1);
1819 mono_mb_emit_branch_label (mb, CEE_BR, label2);
1821 mono_mb_patch_branch (mb, label3);
1823 /* restore the old src pointer */
1824 mono_mb_emit_ldloc (mb, src_var);
1825 mono_mb_emit_stloc (mb, 0);
1826 /* restore the old dst pointer */
1827 mono_mb_emit_ldloc (mb, dst_var);
1828 mono_mb_emit_stloc (mb, 1);
1831 mono_mb_patch_branch (mb, pos);
1834 case MONO_MARSHAL_CONV_ARRAY_BYVALCHARARRAY: {
1835 mono_mb_emit_ldloc (mb, 0);
1836 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1837 pos = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
1839 mono_mb_emit_ldloc (mb, 1);
1840 mono_mb_emit_ldloc (mb, 0);
1841 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1842 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1843 mono_mb_emit_icall (mb, mono_array_to_byte_byvalarray);
1844 mono_mb_patch_short_branch (mb, pos);
1847 case MONO_MARSHAL_CONV_OBJECT_STRUCT: {
1848 int src_var, dst_var;
1850 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1851 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1853 mono_mb_emit_ldloc (mb, 0);
1854 mono_mb_emit_byte (mb, CEE_LDIND_I);
1855 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
1857 /* save the old src pointer */
1858 mono_mb_emit_ldloc (mb, 0);
1859 mono_mb_emit_stloc (mb, src_var);
1860 /* save the old dst pointer */
1861 mono_mb_emit_ldloc (mb, 1);
1862 mono_mb_emit_stloc (mb, dst_var);
1864 /* src = pointer to object data */
1865 mono_mb_emit_ldloc (mb, 0);
1866 mono_mb_emit_byte (mb, CEE_LDIND_I);
1867 mono_mb_emit_icon (mb, sizeof (MonoObject));
1868 mono_mb_emit_byte (mb, CEE_ADD);
1869 mono_mb_emit_stloc (mb, 0);
1871 emit_struct_conv (mb, mono_class_from_mono_type (type), FALSE);
1873 /* restore the old src pointer */
1874 mono_mb_emit_ldloc (mb, src_var);
1875 mono_mb_emit_stloc (mb, 0);
1876 /* restore the old dst pointer */
1877 mono_mb_emit_ldloc (mb, dst_var);
1878 mono_mb_emit_stloc (mb, 1);
1880 mono_mb_patch_branch (mb, pos);
1885 case MONO_MARSHAL_CONV_OBJECT_INTERFACE:
1886 case MONO_MARSHAL_CONV_OBJECT_IDISPATCH:
1887 case MONO_MARSHAL_CONV_OBJECT_IUNKNOWN:
1888 mono_cominterop_emit_object_to_ptr_conv (mb, type, conv, mspec);
1890 #endif /* DISABLE_COM */
1892 case MONO_MARSHAL_CONV_SAFEHANDLE: {
1895 mono_mb_emit_ldloc (mb, 0);
1896 mono_mb_emit_byte (mb, CEE_LDIND_I);
1897 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
1898 mono_mb_emit_exception (mb, "ArgumentNullException", NULL);
1899 mono_mb_patch_branch (mb, pos);
1901 /* Pull the handle field from SafeHandle */
1902 mono_mb_emit_ldloc (mb, 1);
1903 mono_mb_emit_ldloc (mb, 0);
1904 mono_mb_emit_byte (mb, CEE_LDIND_I);
1905 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoSafeHandle, handle));
1906 mono_mb_emit_byte (mb, CEE_LDIND_I);
1907 mono_mb_emit_byte (mb, CEE_STIND_I);
1911 case MONO_MARSHAL_CONV_HANDLEREF: {
1912 mono_mb_emit_ldloc (mb, 1);
1913 mono_mb_emit_ldloc (mb, 0);
1914 mono_mb_emit_icon (mb, MONO_STRUCT_OFFSET (MonoHandleRef, handle));
1915 mono_mb_emit_byte (mb, CEE_ADD);
1916 mono_mb_emit_byte (mb, CEE_LDIND_I);
1917 mono_mb_emit_byte (mb, CEE_STIND_I);
1922 g_error ("marshalling conversion %d not implemented", conv);
1927 static int offset_of_first_nonstatic_field(MonoClass *klass)
1930 for (i = 0; i < klass->field.count; i++) {
1931 if (!(klass->fields[i].type->attrs & FIELD_ATTRIBUTE_STATIC) && !mono_field_is_deleted (&klass->fields[i]))
1932 return klass->fields[i].offset - sizeof (MonoObject);
1939 emit_struct_conv_full (MonoMethodBuilder *mb, MonoClass *klass, gboolean to_object,
1940 int offset_of_first_child_field, MonoMarshalNative string_encoding)
1942 MonoMarshalType *info;
1946 emit_struct_conv_full (mb, klass->parent, to_object, offset_of_first_nonstatic_field (klass), string_encoding);
1948 info = mono_marshal_load_type_info (klass);
1950 if (info->native_size == 0)
1953 if (klass->blittable) {
1954 int usize = mono_class_value_size (klass, NULL);
1955 g_assert (usize == info->native_size);
1956 mono_mb_emit_ldloc (mb, 1);
1957 mono_mb_emit_ldloc (mb, 0);
1958 mono_mb_emit_icon (mb, usize);
1959 mono_mb_emit_byte (mb, CEE_PREFIX1);
1960 mono_mb_emit_byte (mb, CEE_CPBLK);
1963 mono_mb_emit_add_to_local (mb, 0, usize);
1964 mono_mb_emit_add_to_local (mb, 1, offset_of_first_child_field);
1966 mono_mb_emit_add_to_local (mb, 0, offset_of_first_child_field);
1967 mono_mb_emit_add_to_local (mb, 1, usize);
1972 if (klass != mono_class_try_get_safehandle_class ()) {
1973 if (mono_class_is_auto_layout (klass)) {
1974 char *msg = g_strdup_printf ("Type %s which is passed to unmanaged code must have a StructLayout attribute.",
1975 mono_type_full_name (&klass->byval_arg));
1976 mono_mb_emit_exception_marshal_directive (mb, msg);
1981 for (i = 0; i < info->num_fields; i++) {
1982 MonoMarshalNative ntype;
1983 MonoMarshalConv conv;
1984 MonoType *ftype = info->fields [i].field->type;
1987 gboolean last_field = i < (info->num_fields -1) ? 0 : 1;
1989 if (ftype->attrs & FIELD_ATTRIBUTE_STATIC)
1992 ntype = (MonoMarshalNative)mono_type_to_unmanaged (ftype, info->fields [i].mspec, TRUE, klass->unicode, &conv);
1995 msize = klass->instance_size - info->fields [i].field->offset;
1996 usize = info->native_size - info->fields [i].offset;
1998 msize = info->fields [i + 1].field->offset - info->fields [i].field->offset;
1999 usize = info->fields [i + 1].offset - info->fields [i].offset;
2002 if (klass != mono_class_try_get_safehandle_class ()){
2004 * FIXME: Should really check for usize==0 and msize>0, but we apply
2005 * the layout to the managed structure as well.
2008 if (mono_class_is_explicit_layout (klass) && (usize == 0)) {
2009 if (MONO_TYPE_IS_REFERENCE (info->fields [i].field->type) ||
2010 ((!last_field && MONO_TYPE_IS_REFERENCE (info->fields [i + 1].field->type))))
2011 g_error ("Type %s which has an [ExplicitLayout] attribute cannot have a "
2012 "reference field at the same offset as another field.",
2013 mono_type_full_name (&klass->byval_arg));
2018 case MONO_MARSHAL_CONV_NONE: {
2021 //XXX a byref field!?!? that's not allowed! and worse, it might miss a WB
2022 g_assert (!ftype->byref);
2023 if (ftype->type == MONO_TYPE_I || ftype->type == MONO_TYPE_U) {
2024 mono_mb_emit_ldloc (mb, 1);
2025 mono_mb_emit_ldloc (mb, 0);
2026 mono_mb_emit_byte (mb, CEE_LDIND_I);
2027 mono_mb_emit_byte (mb, CEE_STIND_I);
2038 case MONO_TYPE_BOOLEAN:
2041 case MONO_TYPE_CHAR:
2047 mono_mb_emit_ldloc (mb, 1);
2048 mono_mb_emit_ldloc (mb, 0);
2049 if (t == MONO_TYPE_CHAR && ntype == MONO_NATIVE_U1 && string_encoding != MONO_NATIVE_LPWSTR) {
2051 mono_mb_emit_byte (mb, CEE_LDIND_U1);
2052 mono_mb_emit_byte (mb, CEE_STIND_I2);
2054 mono_mb_emit_byte (mb, CEE_LDIND_U2);
2055 mono_mb_emit_byte (mb, CEE_STIND_I1);
2058 mono_mb_emit_byte (mb, mono_type_to_ldind (ftype));
2059 mono_mb_emit_byte (mb, mono_type_to_stind (ftype));
2062 case MONO_TYPE_VALUETYPE: {
2063 int src_var, dst_var;
2065 if (ftype->data.klass->enumtype) {
2066 ftype = mono_class_enum_basetype (ftype->data.klass);
2070 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2071 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2073 /* save the old src pointer */
2074 mono_mb_emit_ldloc (mb, 0);
2075 mono_mb_emit_stloc (mb, src_var);
2076 /* save the old dst pointer */
2077 mono_mb_emit_ldloc (mb, 1);
2078 mono_mb_emit_stloc (mb, dst_var);
2080 emit_struct_conv (mb, ftype->data.klass, to_object);
2082 /* restore the old src pointer */
2083 mono_mb_emit_ldloc (mb, src_var);
2084 mono_mb_emit_stloc (mb, 0);
2085 /* restore the old dst pointer */
2086 mono_mb_emit_ldloc (mb, dst_var);
2087 mono_mb_emit_stloc (mb, 1);
2090 case MONO_TYPE_OBJECT: {
2093 static MonoMethod *variant_clear = NULL;
2094 static MonoMethod *get_object_for_native_variant = NULL;
2097 variant_clear = mono_class_get_method_from_name (mono_class_get_variant_class (), "Clear", 0);
2098 if (!get_object_for_native_variant)
2099 get_object_for_native_variant = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetObjectForNativeVariant", 1);
2100 mono_mb_emit_ldloc (mb, 1);
2101 mono_mb_emit_ldloc (mb, 0);
2102 mono_mb_emit_managed_call (mb, get_object_for_native_variant, NULL);
2103 mono_mb_emit_byte (mb, CEE_STIND_REF);
2105 mono_mb_emit_ldloc (mb, 0);
2106 mono_mb_emit_managed_call (mb, variant_clear, NULL);
2109 static MonoMethod *get_native_variant_for_object = NULL;
2111 if (!get_native_variant_for_object)
2112 get_native_variant_for_object = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetNativeVariantForObject", 2);
2114 mono_mb_emit_ldloc (mb, 0);
2115 mono_mb_emit_byte(mb, CEE_LDIND_REF);
2116 mono_mb_emit_ldloc (mb, 1);
2117 mono_mb_emit_managed_call (mb, get_native_variant_for_object, NULL);
2120 char *msg = g_strdup_printf ("COM support was disabled at compilation time.");
2121 mono_mb_emit_exception_marshal_directive (mb, msg);
2127 g_warning ("marshaling type %02x not implemented", ftype->type);
2128 g_assert_not_reached ();
2133 int src_var, dst_var;
2135 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2136 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2138 /* save the old src pointer */
2139 mono_mb_emit_ldloc (mb, 0);
2140 mono_mb_emit_stloc (mb, src_var);
2141 /* save the old dst pointer */
2142 mono_mb_emit_ldloc (mb, 1);
2143 mono_mb_emit_stloc (mb, dst_var);
2146 emit_ptr_to_object_conv (mb, ftype, conv, info->fields [i].mspec);
2148 emit_object_to_ptr_conv (mb, ftype, conv, info->fields [i].mspec);
2150 /* restore the old src pointer */
2151 mono_mb_emit_ldloc (mb, src_var);
2152 mono_mb_emit_stloc (mb, 0);
2153 /* restore the old dst pointer */
2154 mono_mb_emit_ldloc (mb, dst_var);
2155 mono_mb_emit_stloc (mb, 1);
2160 mono_mb_emit_add_to_local (mb, 0, usize);
2161 mono_mb_emit_add_to_local (mb, 1, msize);
2163 mono_mb_emit_add_to_local (mb, 0, msize);
2164 mono_mb_emit_add_to_local (mb, 1, usize);
2170 emit_struct_conv (MonoMethodBuilder *mb, MonoClass *klass, gboolean to_object)
2172 emit_struct_conv_full (mb, klass, to_object, 0, (MonoMarshalNative)-1);
2176 emit_struct_free (MonoMethodBuilder *mb, MonoClass *klass, int struct_var)
2178 /* Call DestroyStructure */
2179 /* FIXME: Only do this if needed */
2180 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2181 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
2182 mono_mb_emit_ldloc (mb, struct_var);
2183 mono_mb_emit_icall (mb, mono_struct_delete_old);
2187 emit_thread_interrupt_checkpoint_call (MonoMethodBuilder *mb, gpointer checkpoint_func)
2189 int pos_noabort, pos_noex;
2191 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2192 mono_mb_emit_byte (mb, CEE_MONO_LDPTR_INT_REQ_FLAG);
2193 mono_mb_emit_byte (mb, CEE_LDIND_U4);
2194 pos_noabort = mono_mb_emit_branch (mb, CEE_BRFALSE);
2196 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2197 mono_mb_emit_byte (mb, CEE_MONO_NOT_TAKEN);
2199 mono_mb_emit_icall (mb, checkpoint_func);
2200 /* Throw the exception returned by the checkpoint function, if any */
2201 mono_mb_emit_byte (mb, CEE_DUP);
2202 pos_noex = mono_mb_emit_branch (mb, CEE_BRFALSE);
2203 mono_mb_emit_byte (mb, CEE_THROW);
2204 mono_mb_patch_branch (mb, pos_noex);
2205 mono_mb_emit_byte (mb, CEE_POP);
2207 mono_mb_patch_branch (mb, pos_noabort);
2211 emit_thread_interrupt_checkpoint (MonoMethodBuilder *mb)
2213 if (strstr (mb->name, "mono_thread_interruption_checkpoint"))
2216 emit_thread_interrupt_checkpoint_call (mb, mono_thread_interruption_checkpoint);
2220 emit_thread_force_interrupt_checkpoint (MonoMethodBuilder *mb)
2222 emit_thread_interrupt_checkpoint_call (mb, mono_thread_force_interruption_checkpoint_noraise);
2226 mono_marshal_emit_thread_interrupt_checkpoint (MonoMethodBuilder *mb)
2228 emit_thread_interrupt_checkpoint (mb);
2232 mono_marshal_emit_thread_force_interrupt_checkpoint (MonoMethodBuilder *mb)
2234 emit_thread_force_interrupt_checkpoint (mb);
2237 #endif /* DISABLE_JIT */
2239 /* This is a JIT icall, it sets the pending exception and returns NULL on error. */
2240 static MonoAsyncResult *
2241 mono_delegate_begin_invoke (MonoDelegate *delegate, gpointer *params)
2244 MonoMulticastDelegate *mcast_delegate;
2248 g_assert (delegate);
2249 mcast_delegate = (MonoMulticastDelegate *) delegate;
2250 if (mcast_delegate->delegates != NULL) {
2251 mono_set_pending_exception (mono_get_exception_argument (NULL, "The delegate must have only one target"));
2255 #ifndef DISABLE_REMOTING
2256 if (delegate->target && mono_object_class (delegate->target) == mono_defaults.transparent_proxy_class) {
2257 MonoTransparentProxy* tp = (MonoTransparentProxy *)delegate->target;
2258 if (!mono_class_is_contextbound (tp->remote_class->proxy_class) || tp->rp->context != (MonoObject *) mono_context_get ()) {
2259 /* If the target is a proxy, make a direct call. Is proxy's work
2260 // to make the call asynchronous.
2262 MonoMethodMessage *msg;
2263 MonoDelegate *async_callback;
2265 MonoAsyncResult *ares;
2267 MonoArray *out_args;
2268 method = delegate->method;
2270 msg = mono_method_call_message_new (mono_marshal_method_from_wrapper (method), params, NULL, &async_callback, &state, &error);
2271 if (mono_error_set_pending_exception (&error))
2273 ares = mono_async_result_new (mono_domain_get (), NULL, state, NULL, NULL, &error);
2274 if (mono_error_set_pending_exception (&error))
2276 MONO_OBJECT_SETREF (ares, async_delegate, (MonoObject *)delegate);
2277 MONO_OBJECT_SETREF (ares, async_callback, (MonoObject *)async_callback);
2278 MONO_OBJECT_SETREF (msg, async_result, ares);
2279 msg->call_type = CallType_BeginInvoke;
2282 mono_remoting_invoke ((MonoObject *)tp->rp, msg, &exc, &out_args, &error);
2283 if (!mono_error_ok (&error)) {
2284 mono_error_set_pending_exception (&error);
2288 mono_set_pending_exception ((MonoException *) exc);
2294 klass = delegate->object.vtable->klass;
2296 method = mono_class_get_method_from_name (klass, "BeginInvoke", -1);
2298 method = mono_get_delegate_invoke (klass);
2301 MonoAsyncResult *result = mono_threadpool_ms_begin_invoke (mono_domain_get (), (MonoObject*) delegate, method, params, &error);
2302 mono_error_set_pending_exception (&error);
2309 mono_mb_emit_save_args (MonoMethodBuilder *mb, MonoMethodSignature *sig, gboolean save_this)
2311 int i, params_var, tmp_var;
2313 /* allocate local (pointer) *params[] */
2314 params_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2315 /* allocate local (pointer) tmp */
2316 tmp_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2318 /* alloate space on stack to store an array of pointers to the arguments */
2319 mono_mb_emit_icon (mb, sizeof (gpointer) * (sig->param_count + 1));
2320 mono_mb_emit_byte (mb, CEE_PREFIX1);
2321 mono_mb_emit_byte (mb, CEE_LOCALLOC);
2322 mono_mb_emit_stloc (mb, params_var);
2325 mono_mb_emit_ldloc (mb, params_var);
2326 mono_mb_emit_stloc (mb, tmp_var);
2328 if (save_this && sig->hasthis) {
2329 mono_mb_emit_ldloc (mb, tmp_var);
2330 mono_mb_emit_ldarg_addr (mb, 0);
2331 mono_mb_emit_byte (mb, CEE_STIND_I);
2332 /* tmp = tmp + sizeof (gpointer) */
2333 if (sig->param_count)
2334 mono_mb_emit_add_to_local (mb, tmp_var, sizeof (gpointer));
2338 for (i = 0; i < sig->param_count; i++) {
2339 mono_mb_emit_ldloc (mb, tmp_var);
2340 mono_mb_emit_ldarg_addr (mb, i + sig->hasthis);
2341 mono_mb_emit_byte (mb, CEE_STIND_I);
2342 /* tmp = tmp + sizeof (gpointer) */
2343 if (i < (sig->param_count - 1))
2344 mono_mb_emit_add_to_local (mb, tmp_var, sizeof (gpointer));
2350 #endif /* DISABLE_JIT */
2353 mono_signature_to_name (MonoMethodSignature *sig, const char *prefix)
2357 GString *res = g_string_new ("");
2360 g_string_append (res, prefix);
2361 g_string_append_c (res, '_');
2364 mono_type_get_desc (res, sig->ret, FALSE);
2367 g_string_append (res, "__this__");
2369 for (i = 0; i < sig->param_count; ++i) {
2370 g_string_append_c (res, '_');
2371 mono_type_get_desc (res, sig->params [i], FALSE);
2374 g_string_free (res, FALSE);
2379 * mono_marshal_get_string_encoding:
2381 * Return the string encoding which should be used for a given parameter.
2383 static MonoMarshalNative
2384 mono_marshal_get_string_encoding (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
2386 /* First try the parameter marshal info */
2388 if (spec->native == MONO_NATIVE_LPARRAY) {
2389 if ((spec->data.array_data.elem_type != 0) && (spec->data.array_data.elem_type != MONO_NATIVE_MAX))
2390 return spec->data.array_data.elem_type;
2393 return spec->native;
2397 return MONO_NATIVE_LPSTR;
2399 /* Then try the method level marshal info */
2400 switch (piinfo->piflags & PINVOKE_ATTRIBUTE_CHAR_SET_MASK) {
2401 case PINVOKE_ATTRIBUTE_CHAR_SET_ANSI:
2402 return MONO_NATIVE_LPSTR;
2403 case PINVOKE_ATTRIBUTE_CHAR_SET_UNICODE:
2404 return MONO_NATIVE_LPWSTR;
2405 case PINVOKE_ATTRIBUTE_CHAR_SET_AUTO:
2407 return MONO_NATIVE_LPWSTR;
2409 return MONO_NATIVE_LPSTR;
2412 return MONO_NATIVE_LPSTR;
2416 static MonoMarshalConv
2417 mono_marshal_get_string_to_ptr_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
2419 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
2422 case MONO_NATIVE_LPWSTR:
2423 return MONO_MARSHAL_CONV_STR_LPWSTR;
2424 case MONO_NATIVE_LPSTR:
2425 case MONO_NATIVE_VBBYREFSTR:
2426 return MONO_MARSHAL_CONV_STR_LPSTR;
2427 case MONO_NATIVE_LPTSTR:
2428 return MONO_MARSHAL_CONV_STR_LPTSTR;
2429 case MONO_NATIVE_BSTR:
2430 return MONO_MARSHAL_CONV_STR_BSTR;
2431 case MONO_NATIVE_UTF8STR:
2432 return MONO_MARSHAL_CONV_STR_UTF8STR;
2434 return MONO_MARSHAL_CONV_INVALID;
2438 static MonoMarshalConv
2439 mono_marshal_get_stringbuilder_to_ptr_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
2441 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
2444 case MONO_NATIVE_LPWSTR:
2445 return MONO_MARSHAL_CONV_SB_LPWSTR;
2446 case MONO_NATIVE_LPSTR:
2447 return MONO_MARSHAL_CONV_SB_LPSTR;
2448 case MONO_NATIVE_UTF8STR:
2449 return MONO_MARSHAL_CONV_SB_UTF8STR;
2450 case MONO_NATIVE_LPTSTR:
2451 return MONO_MARSHAL_CONV_SB_LPTSTR;
2453 return MONO_MARSHAL_CONV_INVALID;
2457 static MonoMarshalConv
2458 mono_marshal_get_ptr_to_string_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec, gboolean *need_free)
2460 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
2465 case MONO_NATIVE_LPWSTR:
2467 return MONO_MARSHAL_CONV_LPWSTR_STR;
2468 case MONO_NATIVE_UTF8STR:
2469 return MONO_MARSHAL_CONV_UTF8STR_STR;
2470 case MONO_NATIVE_LPSTR:
2471 case MONO_NATIVE_VBBYREFSTR:
2472 return MONO_MARSHAL_CONV_LPSTR_STR;
2473 case MONO_NATIVE_LPTSTR:
2474 return MONO_MARSHAL_CONV_LPTSTR_STR;
2475 case MONO_NATIVE_BSTR:
2476 return MONO_MARSHAL_CONV_BSTR_STR;
2478 return MONO_MARSHAL_CONV_INVALID;
2482 static MonoMarshalConv
2483 mono_marshal_get_ptr_to_stringbuilder_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec, gboolean *need_free)
2485 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
2490 case MONO_NATIVE_LPWSTR:
2492 * mono_string_builder_to_utf16 does not allocate a
2493 * new buffer, so no need to free it.
2496 return MONO_MARSHAL_CONV_LPWSTR_SB;
2497 case MONO_NATIVE_UTF8STR:
2498 return MONO_MARSHAL_CONV_UTF8STR_SB;
2499 case MONO_NATIVE_LPSTR:
2500 return MONO_MARSHAL_CONV_LPSTR_SB;
2502 case MONO_NATIVE_LPTSTR:
2503 return MONO_MARSHAL_CONV_LPTSTR_SB;
2506 return MONO_MARSHAL_CONV_INVALID;
2511 * Return whenever a field of a native structure or an array member needs to
2515 mono_marshal_need_free (MonoType *t, MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
2517 MonoMarshalNative encoding;
2520 case MONO_TYPE_VALUETYPE:
2521 /* FIXME: Optimize this */
2523 case MONO_TYPE_OBJECT:
2524 case MONO_TYPE_CLASS:
2525 if (t->data.klass == mono_defaults.stringbuilder_class) {
2527 mono_marshal_get_ptr_to_stringbuilder_conv (piinfo, spec, &need_free);
2531 case MONO_TYPE_STRING:
2532 encoding = mono_marshal_get_string_encoding (piinfo, spec);
2533 return (encoding == MONO_NATIVE_LPWSTR) ? FALSE : TRUE;
2540 * Return the hash table pointed to by VAR, lazily creating it if neccesary.
2543 get_cache (GHashTable **var, GHashFunc hash_func, GCompareFunc equal_func)
2546 mono_marshal_lock ();
2549 g_hash_table_new (hash_func, equal_func);
2550 mono_memory_barrier ();
2553 mono_marshal_unlock ();
2559 mono_marshal_get_cache (GHashTable **var, GHashFunc hash_func, GCompareFunc equal_func)
2561 return get_cache (var, hash_func, equal_func);
2565 mono_marshal_find_in_cache (GHashTable *cache, gpointer key)
2569 mono_marshal_lock ();
2570 res = (MonoMethod *)g_hash_table_lookup (cache, key);
2571 mono_marshal_unlock ();
2578 * Create a MonoMethod from MB, set INFO as wrapper info.
2581 mono_mb_create (MonoMethodBuilder *mb, MonoMethodSignature *sig,
2582 int max_stack, WrapperInfo *info)
2586 res = mono_mb_create_method (mb, sig, max_stack);
2588 mono_marshal_set_wrapper_info (res, info);
2592 /* Create the method from the builder and place it in the cache */
2594 mono_mb_create_and_cache_full (GHashTable *cache, gpointer key,
2595 MonoMethodBuilder *mb, MonoMethodSignature *sig,
2596 int max_stack, WrapperInfo *info, gboolean *out_found)
2603 mono_marshal_lock ();
2604 res = (MonoMethod *)g_hash_table_lookup (cache, key);
2605 mono_marshal_unlock ();
2608 newm = mono_mb_create_method (mb, sig, max_stack);
2609 mono_marshal_lock ();
2610 res = (MonoMethod *)g_hash_table_lookup (cache, key);
2613 g_hash_table_insert (cache, key, res);
2614 mono_marshal_set_wrapper_info (res, info);
2615 mono_marshal_unlock ();
2619 mono_marshal_unlock ();
2620 mono_free_method (newm);
2628 mono_mb_create_and_cache (GHashTable *cache, gpointer key,
2629 MonoMethodBuilder *mb, MonoMethodSignature *sig,
2632 return mono_mb_create_and_cache_full (cache, key, mb, sig, max_stack, NULL, NULL);
2636 mono_marshal_method_from_wrapper (MonoMethod *wrapper)
2639 int wrapper_type = wrapper->wrapper_type;
2642 if (wrapper_type == MONO_WRAPPER_NONE || wrapper_type == MONO_WRAPPER_DYNAMIC_METHOD)
2645 info = mono_marshal_get_wrapper_info (wrapper);
2647 switch (wrapper_type) {
2648 case MONO_WRAPPER_REMOTING_INVOKE:
2649 case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK:
2650 case MONO_WRAPPER_XDOMAIN_INVOKE:
2651 m = info->d.remoting.method;
2652 if (wrapper->is_inflated) {
2656 * A method cannot be inflated and a wrapper at the same time, so the wrapper info
2657 * contains an uninflated method.
2659 result = mono_class_inflate_generic_method_checked (m, mono_method_get_context (wrapper), &error);
2660 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
2664 case MONO_WRAPPER_SYNCHRONIZED:
2665 m = info->d.synchronized.method;
2666 if (wrapper->is_inflated) {
2669 result = mono_class_inflate_generic_method_checked (m, mono_method_get_context (wrapper), &error);
2670 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
2674 case MONO_WRAPPER_UNBOX:
2675 return info->d.unbox.method;
2676 case MONO_WRAPPER_MANAGED_TO_NATIVE:
2677 if (info && (info->subtype == WRAPPER_SUBTYPE_NONE || info->subtype == WRAPPER_SUBTYPE_NATIVE_FUNC_AOT || info->subtype == WRAPPER_SUBTYPE_PINVOKE))
2678 return info->d.managed_to_native.method;
2681 case MONO_WRAPPER_RUNTIME_INVOKE:
2682 if (info && (info->subtype == WRAPPER_SUBTYPE_RUNTIME_INVOKE_DIRECT || info->subtype == WRAPPER_SUBTYPE_RUNTIME_INVOKE_VIRTUAL))
2683 return info->d.runtime_invoke.method;
2686 case MONO_WRAPPER_DELEGATE_INVOKE:
2688 return info->d.delegate_invoke.method;
2697 * mono_marshal_get_wrapper_info:
2699 * Retrieve the WrapperInfo structure associated with WRAPPER.
2702 mono_marshal_get_wrapper_info (MonoMethod *wrapper)
2704 g_assert (wrapper->wrapper_type);
2706 return (WrapperInfo *)mono_method_get_wrapper_data (wrapper, 1);
2710 * mono_marshal_set_wrapper_info:
2712 * Set the WrapperInfo structure associated with the wrapper
2713 * method METHOD to INFO.
2716 mono_marshal_set_wrapper_info (MonoMethod *method, WrapperInfo *info)
2720 if (method->wrapper_type == MONO_WRAPPER_NONE || method->wrapper_type == MONO_WRAPPER_DYNAMIC_METHOD)
2723 datav = (void **)((MonoMethodWrapper *)method)->method_data;
2728 mono_wrapper_info_create (MonoMethodBuilder *mb, WrapperSubtype subtype)
2732 info = (WrapperInfo *)mono_image_alloc0 (mb->method->klass->image, sizeof (WrapperInfo));
2733 info->subtype = subtype;
2738 * get_wrapper_target_class:
2740 * Return the class where a wrapper method should be placed.
2743 get_wrapper_target_class (MonoImage *image)
2750 * - can't put all wrappers into an mscorlib class, because they reference
2751 * metadata (signature) so they should be put into the same image as the
2752 * method they wrap, so they are unloaded together.
2753 * - putting them into a class with a type initalizer could cause the
2754 * initializer to be executed which can be a problem if the wrappers are
2756 * - putting them into an inflated class can cause problems if the the
2757 * class is deleted because it references an image which is unloaded.
2758 * To avoid these problems, we put the wrappers into the <Module> class of
2761 if (image_is_dynamic (image)) {
2762 klass = ((MonoDynamicImage*)image)->wrappers_type;
2764 klass = mono_class_get_checked (image, mono_metadata_make_token (MONO_TABLE_TYPEDEF, 1), &error);
2765 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
2773 * Wrappers for generic methods should be instances of generic wrapper methods, i.e .the wrapper for Sort<int> should be
2774 * an instance of the wrapper for Sort<T>. This is required for full-aot to work.
2778 * check_generic_wrapper_cache:
2780 * Check CACHE for the wrapper of the generic instance ORIG_METHOD, and return it if it is found.
2781 * KEY should be the key for ORIG_METHOD in the cache, while DEF_KEY should be the key of its
2782 * generic method definition.
2785 check_generic_wrapper_cache (GHashTable *cache, MonoMethod *orig_method, gpointer key, gpointer def_key)
2788 MonoMethod *inst, *def;
2789 MonoGenericContext *ctx;
2791 g_assert (orig_method->is_inflated);
2792 ctx = mono_method_get_context (orig_method);
2795 * Look for the instance
2797 res = mono_marshal_find_in_cache (cache, key);
2802 * Look for the definition
2804 def = mono_marshal_find_in_cache (cache, def_key);
2807 inst = mono_class_inflate_generic_method_checked (def, ctx, &error);
2808 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
2810 mono_memory_barrier ();
2811 mono_marshal_lock ();
2812 res = (MonoMethod *)g_hash_table_lookup (cache, key);
2814 g_hash_table_insert (cache, key, inst);
2817 mono_marshal_unlock ();
2824 cache_generic_wrapper (GHashTable *cache, MonoMethod *orig_method, MonoMethod *def, MonoGenericContext *ctx, gpointer key)
2827 MonoMethod *inst, *res;
2830 * We use the same cache for the generic definition and the instances.
2832 inst = mono_class_inflate_generic_method_checked (def, ctx, &error);
2833 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
2834 mono_memory_barrier ();
2835 mono_marshal_lock ();
2836 res = (MonoMethod *)g_hash_table_lookup (cache, key);
2838 g_hash_table_insert (cache, key, inst);
2841 mono_marshal_unlock ();
2846 check_generic_delegate_wrapper_cache (GHashTable *cache, MonoMethod *orig_method, MonoMethod *def_method, MonoGenericContext *ctx)
2850 MonoMethod *inst, *def;
2853 * Look for the instance
2855 res = mono_marshal_find_in_cache (cache, orig_method->klass);
2860 * Look for the definition
2862 def = mono_marshal_find_in_cache (cache, def_method->klass);
2864 inst = mono_class_inflate_generic_method_checked (def, ctx, &error);
2865 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
2868 mono_memory_barrier ();
2869 mono_marshal_lock ();
2870 res = (MonoMethod *)g_hash_table_lookup (cache, orig_method->klass);
2872 g_hash_table_insert (cache, orig_method->klass, inst);
2875 mono_marshal_unlock ();
2882 cache_generic_delegate_wrapper (GHashTable *cache, MonoMethod *orig_method, MonoMethod *def, MonoGenericContext *ctx)
2885 MonoMethod *inst, *res;
2886 WrapperInfo *ginfo, *info;
2889 * We use the same cache for the generic definition and the instances.
2891 inst = mono_class_inflate_generic_method_checked (def, ctx, &error);
2892 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
2894 ginfo = mono_marshal_get_wrapper_info (def);
2896 info = (WrapperInfo *)mono_image_alloc0 (def->klass->image, sizeof (WrapperInfo));
2897 info->subtype = ginfo->subtype;
2898 if (info->subtype == WRAPPER_SUBTYPE_NONE) {
2899 info->d.delegate_invoke.method = mono_class_inflate_generic_method_checked (ginfo->d.delegate_invoke.method, ctx, &error);
2900 mono_error_assert_ok (&error);
2904 mono_memory_barrier ();
2905 mono_marshal_lock ();
2906 res = (MonoMethod *)g_hash_table_lookup (cache, orig_method->klass);
2908 g_hash_table_insert (cache, orig_method->klass, inst);
2911 mono_marshal_unlock ();
2916 mono_marshal_get_delegate_begin_invoke (MonoMethod *method)
2918 MonoMethodSignature *sig;
2919 MonoMethodBuilder *mb;
2924 MonoGenericContext *ctx = NULL;
2925 MonoMethod *orig_method = NULL;
2927 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
2928 !strcmp (method->name, "BeginInvoke"));
2931 * For generic delegates, create a generic wrapper, and returns an instance to help AOT.
2933 if (method->is_inflated) {
2934 orig_method = method;
2935 ctx = &((MonoMethodInflated*)method)->context;
2936 method = ((MonoMethodInflated*)method)->declaring;
2939 sig = mono_signature_no_pinvoke (method);
2945 cache = get_cache (&((MonoMethodInflated*)orig_method)->owner->wrapper_caches.delegate_begin_invoke_cache, mono_aligned_addr_hash, NULL);
2946 res = check_generic_delegate_wrapper_cache (cache, orig_method, method, ctx);
2950 cache = get_cache (&method->klass->image->wrapper_caches.delegate_begin_invoke_cache,
2951 (GHashFunc)mono_signature_hash,
2952 (GCompareFunc)mono_metadata_signature_equal);
2953 if ((res = mono_marshal_find_in_cache (cache, sig)))
2957 g_assert (sig->hasthis);
2959 name = mono_signature_to_name (sig, "begin_invoke");
2961 mb = mono_mb_new (method->klass, name, MONO_WRAPPER_DELEGATE_BEGIN_INVOKE);
2963 mb = mono_mb_new (get_wrapper_target_class (method->klass->image), name, MONO_WRAPPER_DELEGATE_BEGIN_INVOKE);
2967 params_var = mono_mb_emit_save_args (mb, sig, FALSE);
2969 mono_mb_emit_ldarg (mb, 0);
2970 mono_mb_emit_ldloc (mb, params_var);
2971 mono_mb_emit_icall (mb, mono_delegate_begin_invoke);
2972 mono_mb_emit_byte (mb, CEE_RET);
2977 def = mono_mb_create_and_cache (cache, method->klass, mb, sig, sig->param_count + 16);
2978 res = cache_generic_delegate_wrapper (cache, orig_method, def, ctx);
2980 res = mono_mb_create_and_cache (cache, sig, mb, sig, sig->param_count + 16);
2987 /* This is a JIT icall, it sets the pending exception and returns NULL on error. */
2989 mono_delegate_end_invoke (MonoDelegate *delegate, gpointer *params)
2992 MonoDomain *domain = mono_domain_get ();
2993 MonoAsyncResult *ares;
2994 MonoMethod *method = NULL;
2995 MonoMethodSignature *sig;
2996 MonoMethodMessage *msg;
2997 MonoObject *res, *exc;
2998 MonoArray *out_args;
3001 g_assert (delegate);
3003 if (!delegate->method_info) {
3004 g_assert (delegate->method);
3005 MonoReflectionMethod *rm = mono_method_get_object_checked (domain, delegate->method, NULL, &error);
3006 if (!mono_error_ok (&error)) {
3007 mono_error_set_pending_exception (&error);
3010 MONO_OBJECT_SETREF (delegate, method_info, rm);
3013 if (!delegate->method_info || !delegate->method_info->method)
3014 g_assert_not_reached ();
3016 klass = delegate->object.vtable->klass;
3018 method = mono_class_get_method_from_name (klass, "EndInvoke", -1);
3019 g_assert (method != NULL);
3021 sig = mono_signature_no_pinvoke (method);
3023 msg = mono_method_call_message_new (method, params, NULL, NULL, NULL, &error);
3024 if (mono_error_set_pending_exception (&error))
3027 ares = (MonoAsyncResult *)mono_array_get (msg->args, gpointer, sig->param_count - 1);
3029 mono_set_pending_exception (mono_exception_from_name_msg (mono_defaults.corlib, "System.Runtime.Remoting", "RemotingException", "The async result object is null or of an unexpected type."));
3033 if (ares->async_delegate != (MonoObject*)delegate) {
3034 mono_set_pending_exception (mono_get_exception_invalid_operation (
3035 "The IAsyncResult object provided does not match this delegate."));
3039 #ifndef DISABLE_REMOTING
3040 if (delegate->target && mono_object_is_transparent_proxy (delegate->target)) {
3041 MonoTransparentProxy* tp = (MonoTransparentProxy *)delegate->target;
3042 msg = (MonoMethodMessage *)mono_object_new_checked (domain, mono_defaults.mono_method_message_class, &error);
3043 if (!mono_error_ok (&error)) {
3044 mono_error_set_pending_exception (&error);
3047 mono_message_init (domain, msg, delegate->method_info, NULL, &error);
3048 if (mono_error_set_pending_exception (&error))
3050 msg->call_type = CallType_EndInvoke;
3051 MONO_OBJECT_SETREF (msg, async_result, ares);
3052 res = mono_remoting_invoke ((MonoObject *)tp->rp, msg, &exc, &out_args, &error);
3053 if (!mono_error_ok (&error)) {
3054 mono_error_set_pending_exception (&error);
3060 res = mono_threadpool_ms_end_invoke (ares, &out_args, &exc, &error);
3061 if (mono_error_set_pending_exception (&error))
3066 if (((MonoException*)exc)->stack_trace) {
3067 MonoError inner_error;
3068 char *strace = mono_string_to_utf8_checked (((MonoException*)exc)->stack_trace, &inner_error);
3069 if (is_ok (&inner_error)) {
3071 tmp = g_strdup_printf ("%s\nException Rethrown at:\n", strace);
3073 MONO_OBJECT_SETREF (((MonoException*)exc), stack_trace, mono_string_new (domain, tmp));
3076 mono_error_cleanup (&inner_error); /* no stack trace, but at least throw the original exception */
3078 mono_set_pending_exception ((MonoException*)exc);
3081 mono_method_return_message_restore (method, params, out_args, &error);
3082 mono_error_set_pending_exception (&error);
3089 mono_mb_emit_restore_result (MonoMethodBuilder *mb, MonoType *return_type)
3091 MonoType *t = mono_type_get_underlying_type (return_type);
3093 if (return_type->byref)
3094 return_type = &mono_defaults.int_class->byval_arg;
3097 case MONO_TYPE_VOID:
3098 g_assert_not_reached ();
3101 case MONO_TYPE_STRING:
3102 case MONO_TYPE_CLASS:
3103 case MONO_TYPE_OBJECT:
3104 case MONO_TYPE_ARRAY:
3105 case MONO_TYPE_SZARRAY:
3109 case MONO_TYPE_BOOLEAN:
3112 case MONO_TYPE_CHAR:
3122 mono_mb_emit_op (mb, CEE_UNBOX, mono_class_from_mono_type (return_type));
3123 mono_mb_emit_byte (mb, mono_type_to_ldind (return_type));
3125 case MONO_TYPE_GENERICINST:
3126 if (!mono_type_generic_inst_is_valuetype (t))
3129 case MONO_TYPE_VALUETYPE: {
3130 MonoClass *klass = mono_class_from_mono_type (return_type);
3131 mono_mb_emit_op (mb, CEE_UNBOX, klass);
3132 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
3136 case MONO_TYPE_MVAR: {
3137 MonoClass *klass = mono_class_from_mono_type (return_type);
3138 mono_mb_emit_op (mb, CEE_UNBOX_ANY, klass);
3142 g_warning ("type 0x%x not handled", return_type->type);
3143 g_assert_not_reached ();
3146 mono_mb_emit_byte (mb, CEE_RET);
3149 #endif /* DISABLE_JIT */
3152 mono_marshal_get_delegate_end_invoke (MonoMethod *method)
3154 MonoMethodSignature *sig;
3155 MonoMethodBuilder *mb;
3160 MonoGenericContext *ctx = NULL;
3161 MonoMethod *orig_method = NULL;
3163 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
3164 !strcmp (method->name, "EndInvoke"));
3167 * For generic delegates, create a generic wrapper, and returns an instance to help AOT.
3169 if (method->is_inflated) {
3170 orig_method = method;
3171 ctx = &((MonoMethodInflated*)method)->context;
3172 method = ((MonoMethodInflated*)method)->declaring;
3175 sig = mono_signature_no_pinvoke (method);
3181 cache = get_cache (&((MonoMethodInflated*)orig_method)->owner->wrapper_caches.delegate_end_invoke_cache, mono_aligned_addr_hash, NULL);
3182 res = check_generic_delegate_wrapper_cache (cache, orig_method, method, ctx);
3186 cache = get_cache (&method->klass->image->wrapper_caches.delegate_end_invoke_cache,
3187 (GHashFunc)mono_signature_hash,
3188 (GCompareFunc)mono_metadata_signature_equal);
3189 if ((res = mono_marshal_find_in_cache (cache, sig)))
3193 g_assert (sig->hasthis);
3195 name = mono_signature_to_name (sig, "end_invoke");
3197 mb = mono_mb_new (method->klass, name, MONO_WRAPPER_DELEGATE_END_INVOKE);
3199 mb = mono_mb_new (get_wrapper_target_class (method->klass->image), name, MONO_WRAPPER_DELEGATE_END_INVOKE);
3203 params_var = mono_mb_emit_save_args (mb, sig, FALSE);
3205 mono_mb_emit_ldarg (mb, 0);
3206 mono_mb_emit_ldloc (mb, params_var);
3207 mono_mb_emit_icall (mb, mono_delegate_end_invoke);
3209 if (sig->ret->type == MONO_TYPE_VOID) {
3210 mono_mb_emit_byte (mb, CEE_POP);
3211 mono_mb_emit_byte (mb, CEE_RET);
3213 mono_mb_emit_restore_result (mb, sig->ret);
3218 def = mono_mb_create_and_cache (cache, method->klass, mb, sig, sig->param_count + 16);
3219 res = cache_generic_delegate_wrapper (cache, orig_method, def, ctx);
3221 res = mono_mb_create_and_cache (cache, sig,
3222 mb, sig, sig->param_count + 16);
3231 MonoMethodSignature *sig;
3233 } SignaturePointerPair;
3236 signature_pointer_pair_hash (gconstpointer data)
3238 SignaturePointerPair *pair = (SignaturePointerPair*)data;
3240 return mono_signature_hash (pair->sig) ^ mono_aligned_addr_hash (pair->pointer);
3244 signature_pointer_pair_equal (gconstpointer data1, gconstpointer data2)
3246 SignaturePointerPair *pair1 = (SignaturePointerPair*) data1, *pair2 = (SignaturePointerPair*) data2;
3247 return mono_metadata_signature_equal (pair1->sig, pair2->sig) && (pair1->pointer == pair2->pointer);
3251 signature_pointer_pair_matches_pointer (gpointer key, gpointer value, gpointer user_data)
3253 SignaturePointerPair *pair = (SignaturePointerPair*)key;
3255 return pair->pointer == user_data;
3259 free_signature_pointer_pair (SignaturePointerPair *pair)
3265 mono_marshal_get_delegate_invoke_internal (MonoMethod *method, gboolean callvirt, gboolean static_method_with_first_arg_bound, MonoMethod *target_method)
3267 MonoMethodSignature *sig, *static_sig, *invoke_sig;
3269 MonoMethodBuilder *mb;
3272 gpointer cache_key = NULL;
3273 SignaturePointerPair key = { NULL, NULL };
3274 SignaturePointerPair *new_key;
3275 int local_i, local_len, local_delegates, local_d, local_target, local_res;
3276 int pos0, pos1, pos2;
3278 MonoClass *target_class = NULL;
3279 gboolean closed_over_null = FALSE;
3280 MonoGenericContext *ctx = NULL;
3281 MonoGenericContainer *container = NULL;
3282 MonoMethod *orig_method = method;
3284 WrapperSubtype subtype = WRAPPER_SUBTYPE_NONE;
3288 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
3289 !strcmp (method->name, "Invoke"));
3291 invoke_sig = sig = mono_signature_no_pinvoke (method);
3294 * If the delegate target is null, and the target method is not static, a virtual
3295 * call is made to that method with the first delegate argument as this. This is
3296 * a non-documented .NET feature.
3299 subtype = WRAPPER_SUBTYPE_DELEGATE_INVOKE_VIRTUAL;
3300 if (target_method->is_inflated) {
3302 MonoType *target_type;
3304 g_assert (method->signature->hasthis);
3305 target_type = mono_class_inflate_generic_type_checked (method->signature->params [0],
3306 mono_method_get_context (method), &error);
3307 mono_error_assert_ok (&error); /* FIXME don't swallow the error */
3308 target_class = mono_class_from_mono_type (target_type);
3310 target_class = target_method->klass;
3313 closed_over_null = sig->param_count == mono_method_signature (target_method)->param_count;
3316 if (static_method_with_first_arg_bound) {
3317 subtype = WRAPPER_SUBTYPE_DELEGATE_INVOKE_BOUND;
3318 g_assert (!callvirt);
3319 invoke_sig = mono_method_signature (target_method);
3323 * For generic delegates, create a generic wrapper, and return an instance to help AOT.
3325 if (method->is_inflated && subtype == WRAPPER_SUBTYPE_NONE) {
3326 ctx = &((MonoMethodInflated*)method)->context;
3327 method = ((MonoMethodInflated*)method)->declaring;
3329 container = mono_method_get_generic_container (method);
3331 container = mono_class_try_get_generic_container (method->klass); //FIXME is this a case of a try?
3332 g_assert (container);
3334 invoke_sig = sig = mono_signature_no_pinvoke (method);
3341 cache = get_cache (&((MonoMethodInflated*)orig_method)->owner->wrapper_caches.delegate_invoke_cache, mono_aligned_addr_hash, NULL);
3342 res = check_generic_delegate_wrapper_cache (cache, orig_method, method, ctx);
3345 cache_key = method->klass;
3346 } else if (static_method_with_first_arg_bound) {
3347 cache = get_cache (&method->klass->image->delegate_bound_static_invoke_cache,
3348 (GHashFunc)mono_signature_hash,
3349 (GCompareFunc)mono_metadata_signature_equal);
3351 * The wrapper is based on sig+invoke_sig, but sig can be derived from invoke_sig.
3353 res = mono_marshal_find_in_cache (cache, invoke_sig);
3356 cache_key = invoke_sig;
3357 } else if (callvirt) {
3358 GHashTable **cache_ptr;
3360 cache_ptr = &mono_method_get_wrapper_cache (method)->delegate_abstract_invoke_cache;
3362 /* We need to cache the signature+method pair */
3363 mono_marshal_lock ();
3365 *cache_ptr = g_hash_table_new_full (signature_pointer_pair_hash, (GEqualFunc)signature_pointer_pair_equal, (GDestroyNotify)free_signature_pointer_pair, NULL);
3367 key.sig = invoke_sig;
3368 key.pointer = target_method;
3369 res = (MonoMethod *)g_hash_table_lookup (cache, &key);
3370 mono_marshal_unlock ();
3374 // Inflated methods should not be in this cache because it's not stored on the imageset.
3375 g_assert (!method->is_inflated);
3376 cache = get_cache (&method->klass->image->wrapper_caches.delegate_invoke_cache,
3377 (GHashFunc)mono_signature_hash,
3378 (GCompareFunc)mono_metadata_signature_equal);
3379 res = mono_marshal_find_in_cache (cache, sig);
3385 static_sig = mono_metadata_signature_dup_full (method->klass->image, sig);
3386 static_sig->hasthis = 0;
3387 if (!static_method_with_first_arg_bound)
3388 invoke_sig = static_sig;
3390 if (static_method_with_first_arg_bound)
3391 name = mono_signature_to_name (invoke_sig, "invoke_bound");
3392 else if (closed_over_null)
3393 name = mono_signature_to_name (invoke_sig, "invoke_closed_over_null");
3395 name = mono_signature_to_name (invoke_sig, "invoke_callvirt");
3397 name = mono_signature_to_name (invoke_sig, "invoke");
3399 mb = mono_mb_new (method->klass, name, MONO_WRAPPER_DELEGATE_INVOKE);
3401 mb = mono_mb_new (get_wrapper_target_class (method->klass->image), name, MONO_WRAPPER_DELEGATE_INVOKE);
3405 void_ret = sig->ret->type == MONO_TYPE_VOID && !method->string_ctor;
3407 /* allocate local 0 (object) */
3408 local_i = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
3409 local_len = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
3410 local_delegates = mono_mb_add_local (mb, &mono_defaults.array_class->byval_arg);
3411 local_d = mono_mb_add_local (mb, &mono_defaults.multicastdelegate_class->byval_arg);
3412 local_target = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3415 local_res = mono_mb_add_local (mb, &mono_class_from_mono_type (sig->ret)->byval_arg);
3417 g_assert (sig->hasthis);
3420 * {type: sig->ret} res;
3421 * if (delegates == null) {
3422 * return this.<target> ( args .. );
3424 * int i = 0, len = this.delegates.Length;
3426 * res = this.delegates [i].Invoke ( args .. );
3427 * } while (++i < len);
3432 /* this wrapper can be used in unmanaged-managed transitions */
3433 emit_thread_interrupt_checkpoint (mb);
3435 /* delegates = this.delegates */
3436 mono_mb_emit_ldarg (mb, 0);
3437 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoMulticastDelegate, delegates));
3438 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3439 mono_mb_emit_stloc (mb, local_delegates);
3441 /* if (delegates == null) */
3442 mono_mb_emit_ldloc (mb, local_delegates);
3443 pos2 = mono_mb_emit_branch (mb, CEE_BRTRUE);
3445 /* return target.<target_method|method_ptr> ( args .. ); */
3447 /* target = d.target; */
3448 mono_mb_emit_ldarg (mb, 0);
3449 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoDelegate, target));
3450 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3451 mono_mb_emit_stloc (mb, local_target);
3453 /*static methods with bound first arg can have null target and still be bound*/
3454 if (!static_method_with_first_arg_bound) {
3455 /* if target != null */
3456 mono_mb_emit_ldloc (mb, local_target);
3457 pos0 = mono_mb_emit_branch (mb, CEE_BRFALSE);
3459 /* then call this->method_ptr nonstatic */
3462 mono_mb_emit_exception_full (mb, "System", "NotImplementedException", "");
3464 mono_mb_emit_ldloc (mb, local_target);
3465 for (i = 0; i < sig->param_count; ++i)
3466 mono_mb_emit_ldarg (mb, i + 1);
3467 mono_mb_emit_ldarg (mb, 0);
3468 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoDelegate, extra_arg));
3469 mono_mb_emit_byte (mb, CEE_LDIND_I);
3470 mono_mb_emit_ldarg (mb, 0);
3471 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoDelegate, method_ptr));
3472 mono_mb_emit_byte (mb, CEE_LDIND_I);
3473 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3474 mono_mb_emit_op (mb, CEE_MONO_CALLI_EXTRA_ARG, sig);
3475 mono_mb_emit_byte (mb, CEE_RET);
3478 /* else [target == null] call this->method_ptr static */
3479 mono_mb_patch_branch (mb, pos0);
3483 if (!closed_over_null) {
3484 if (target_class->valuetype) {
3485 mono_mb_emit_ldarg (mb, 1);
3486 for (i = 1; i < sig->param_count; ++i)
3487 mono_mb_emit_ldarg (mb, i + 1);
3488 mono_mb_emit_op (mb, CEE_CALL, target_method);
3490 mono_mb_emit_ldarg (mb, 1);
3491 mono_mb_emit_op (mb, CEE_CASTCLASS, target_class);
3492 for (i = 1; i < sig->param_count; ++i)
3493 mono_mb_emit_ldarg (mb, i + 1);
3494 mono_mb_emit_op (mb, CEE_CALLVIRT, target_method);
3497 mono_mb_emit_byte (mb, CEE_LDNULL);
3498 for (i = 0; i < sig->param_count; ++i)
3499 mono_mb_emit_ldarg (mb, i + 1);
3500 mono_mb_emit_op (mb, CEE_CALL, target_method);
3503 if (static_method_with_first_arg_bound) {
3504 mono_mb_emit_ldloc (mb, local_target);
3505 if (!MONO_TYPE_IS_REFERENCE (invoke_sig->params[0]))
3506 mono_mb_emit_op (mb, CEE_UNBOX_ANY, mono_class_from_mono_type (invoke_sig->params[0]));
3508 for (i = 0; i < sig->param_count; ++i)
3509 mono_mb_emit_ldarg (mb, i + 1);
3510 mono_mb_emit_ldarg (mb, 0);
3511 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoDelegate, extra_arg));
3512 mono_mb_emit_byte (mb, CEE_LDIND_I);
3513 mono_mb_emit_ldarg (mb, 0);
3514 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoDelegate, method_ptr));
3515 mono_mb_emit_byte (mb, CEE_LDIND_I);
3516 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3517 mono_mb_emit_op (mb, CEE_MONO_CALLI_EXTRA_ARG, invoke_sig);
3520 mono_mb_emit_byte (mb, CEE_RET);
3522 /* else [delegates != null] */
3523 mono_mb_patch_branch (mb, pos2);
3525 /* len = delegates.Length; */
3526 mono_mb_emit_ldloc (mb, local_delegates);
3527 mono_mb_emit_byte (mb, CEE_LDLEN);
3528 mono_mb_emit_byte (mb, CEE_CONV_I4);
3529 mono_mb_emit_stloc (mb, local_len);
3532 mono_mb_emit_icon (mb, 0);
3533 mono_mb_emit_stloc (mb, local_i);
3535 pos1 = mono_mb_get_label (mb);
3537 /* d = delegates [i]; */
3538 mono_mb_emit_ldloc (mb, local_delegates);
3539 mono_mb_emit_ldloc (mb, local_i);
3540 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3541 mono_mb_emit_stloc (mb, local_d);
3543 /* res = d.Invoke ( args .. ); */
3544 mono_mb_emit_ldloc (mb, local_d);
3545 for (i = 0; i < sig->param_count; i++)
3546 mono_mb_emit_ldarg (mb, i + 1);
3548 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
3551 mono_mb_emit_op (mb, CEE_CALLVIRT, mono_class_inflate_generic_method_checked (method, &container->context, &error));
3552 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
3555 mono_mb_emit_stloc (mb, local_res);
3558 mono_mb_emit_add_to_local (mb, local_i, 1);
3561 mono_mb_emit_ldloc (mb, local_i);
3562 mono_mb_emit_ldloc (mb, local_len);
3563 mono_mb_emit_branch_label (mb, CEE_BLT, pos1);
3567 mono_mb_emit_ldloc (mb, local_res);
3568 mono_mb_emit_byte (mb, CEE_RET);
3570 mb->skip_visibility = 1;
3571 #endif /* DISABLE_JIT */
3573 info = mono_wrapper_info_create (mb, subtype);
3574 info->d.delegate_invoke.method = method;
3579 def = mono_mb_create_and_cache_full (cache, cache_key, mb, sig, sig->param_count + 16, info, NULL);
3580 res = cache_generic_delegate_wrapper (cache, orig_method, def, ctx);
3581 } else if (callvirt) {
3582 new_key = g_new0 (SignaturePointerPair, 1);
3585 res = mono_mb_create_and_cache_full (cache, new_key, mb, sig, sig->param_count + 16, info, &found);
3589 res = mono_mb_create_and_cache_full (cache, cache_key, mb, sig, sig->param_count + 16, info, NULL);
3593 /* mono_method_print_code (res); */
3599 * the returned method invokes all methods in a multicast delegate.
3602 mono_marshal_get_delegate_invoke (MonoMethod *method, MonoDelegate *del)
3604 gboolean callvirt = FALSE;
3605 gboolean static_method_with_first_arg_bound = FALSE;
3606 MonoMethod *target_method = NULL;
3607 MonoMethodSignature *sig;
3609 sig = mono_signature_no_pinvoke (method);
3611 if (del && !del->target && del->method && mono_method_signature (del->method)->hasthis) {
3613 target_method = del->method;
3616 if (del && del->method && mono_method_signature (del->method)->param_count == sig->param_count + 1 && (del->method->flags & METHOD_ATTRIBUTE_STATIC)) {
3617 static_method_with_first_arg_bound = TRUE;
3618 target_method = del->method;
3621 return mono_marshal_get_delegate_invoke_internal (method, callvirt, static_method_with_first_arg_bound, target_method);
3625 MonoMethodSignature *ctor_sig;
3626 MonoMethodSignature *sig;
3629 /* protected by the marshal lock, contains CtorSigPair pointers */
3630 static GSList *strsig_list = NULL;
3632 static MonoMethodSignature *
3633 lookup_string_ctor_signature (MonoMethodSignature *sig)
3635 MonoMethodSignature *callsig;
3639 mono_marshal_lock ();
3641 for (item = strsig_list; item; item = item->next) {
3642 cs = (CtorSigPair *)item->data;
3643 /* mono_metadata_signature_equal () is safe to call with the marshal lock
3644 * because it is lock-free.
3646 if (mono_metadata_signature_equal (sig, cs->ctor_sig)) {
3651 mono_marshal_unlock ();
3655 static MonoMethodSignature *
3656 add_string_ctor_signature (MonoMethod *method)
3658 MonoMethodSignature *callsig;
3661 callsig = mono_metadata_signature_dup_full (method->klass->image, mono_method_signature (method));
3662 callsig->ret = &mono_defaults.string_class->byval_arg;
3663 cs = g_new (CtorSigPair, 1);
3665 cs->ctor_sig = mono_method_signature (method);
3667 mono_marshal_lock ();
3668 strsig_list = g_slist_prepend (strsig_list, cs);
3669 mono_marshal_unlock ();
3674 * mono_marshal_get_string_ctor_signature:
3676 * Return the modified signature used by string ctors (they return the newly created
3679 MonoMethodSignature*
3680 mono_marshal_get_string_ctor_signature (MonoMethod *method)
3682 MonoMethodSignature *sig = lookup_string_ctor_signature (mono_method_signature (method));
3684 sig = add_string_ctor_signature (method);
3690 get_runtime_invoke_type (MonoType *t, gboolean ret)
3693 if (t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t)))
3695 /* Can't share this with 'I' as that needs another indirection */
3696 return &mono_defaults.int_class->this_arg;
3699 if (MONO_TYPE_IS_REFERENCE (t))
3700 return &mono_defaults.object_class->byval_arg;
3703 /* The result needs to be boxed */
3708 /* Can't share these as the argument needs to be loaded using sign/zero extension */
3711 return &mono_defaults.sbyte_class->byval_arg;
3713 return &mono_defaults.int16_class->byval_arg;
3715 return &mono_defaults.int32_class->byval_arg;
3718 return &mono_defaults.int64_class->byval_arg;
3719 case MONO_TYPE_BOOLEAN:
3720 return &mono_defaults.byte_class->byval_arg;
3721 case MONO_TYPE_CHAR:
3722 return &mono_defaults.uint16_class->byval_arg;
3724 return &mono_defaults.int_class->byval_arg;
3725 case MONO_TYPE_VALUETYPE:
3726 if (t->data.klass->enumtype) {
3727 t = mono_class_enum_basetype (t->data.klass);
3737 * mono_marshal_get_runtime_invoke_sig:
3739 * Return a common signature used for sharing runtime invoke wrappers.
3741 static MonoMethodSignature*
3742 mono_marshal_get_runtime_invoke_sig (MonoMethodSignature *sig)
3744 MonoMethodSignature *res = mono_metadata_signature_dup (sig);
3747 res->generic_param_count = 0;
3748 res->ret = get_runtime_invoke_type (sig->ret, TRUE);
3749 for (i = 0; i < res->param_count; ++i)
3750 res->params [i] = get_runtime_invoke_type (sig->params [i], FALSE);
3756 runtime_invoke_signature_equal (MonoMethodSignature *sig1, MonoMethodSignature *sig2)
3758 /* Can't share wrappers which return a vtype since it needs to be boxed */
3759 if (sig1->ret != sig2->ret && !(MONO_TYPE_IS_REFERENCE (sig1->ret) && MONO_TYPE_IS_REFERENCE (sig2->ret)) && !mono_metadata_type_equal (sig1->ret, sig2->ret))
3762 return mono_metadata_signature_equal (sig1, sig2);
3770 * Emit the call to the wrapper method from a runtime invoke wrapper.
3773 emit_invoke_call (MonoMethodBuilder *mb, MonoMethod *method,
3774 MonoMethodSignature *sig, MonoMethodSignature *callsig,
3776 gboolean virtual_, gboolean need_direct_wrapper)
3778 static MonoString *string_dummy = NULL;
3780 int *tmp_nullable_locals;
3781 gboolean void_ret = FALSE;
3782 gboolean string_ctor = method && method->string_ctor;
3784 /* to make it work with our special string constructors */
3785 if (!string_dummy) {
3786 MONO_GC_REGISTER_ROOT_SINGLE (string_dummy, MONO_ROOT_SOURCE_MARSHAL, "dummy marshal string");
3787 string_dummy = mono_string_new_wrapper ("dummy");
3791 g_assert (sig->hasthis);
3792 g_assert (method->flags & METHOD_ATTRIBUTE_VIRTUAL);
3797 if (mono_gc_is_moving ()) {
3798 mono_mb_emit_ptr (mb, &string_dummy);
3799 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3801 mono_mb_emit_ptr (mb, string_dummy);
3804 mono_mb_emit_ldarg (mb, 0);
3808 tmp_nullable_locals = g_new0 (int, sig->param_count);
3810 for (i = 0; i < sig->param_count; i++) {
3811 MonoType *t = sig->params [i];
3814 mono_mb_emit_ldarg (mb, 1);
3816 mono_mb_emit_icon (mb, sizeof (gpointer) * i);
3817 mono_mb_emit_byte (mb, CEE_ADD);
3821 mono_mb_emit_byte (mb, CEE_LDIND_I);
3822 /* A Nullable<T> type don't have a boxed form, it's either null or a boxed T.
3823 * So to make this work we unbox it to a local variablee and push a reference to that.
3825 if (t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t))) {
3826 tmp_nullable_locals [i] = mono_mb_add_local (mb, &mono_class_from_mono_type (t)->byval_arg);
3828 mono_mb_emit_op (mb, CEE_UNBOX_ANY, mono_class_from_mono_type (t));
3829 mono_mb_emit_stloc (mb, tmp_nullable_locals [i]);
3830 mono_mb_emit_ldloc_addr (mb, tmp_nullable_locals [i]);
3835 /*FIXME 'this doesn't handle generic enums. Shouldn't we?*/
3836 type = sig->params [i]->type;
3840 case MONO_TYPE_BOOLEAN:
3844 case MONO_TYPE_CHAR:
3853 mono_mb_emit_byte (mb, CEE_LDIND_I);
3854 mono_mb_emit_byte (mb, mono_type_to_ldind (sig->params [i]));
3856 case MONO_TYPE_STRING:
3857 case MONO_TYPE_CLASS:
3858 case MONO_TYPE_ARRAY:
3860 case MONO_TYPE_SZARRAY:
3861 case MONO_TYPE_OBJECT:
3862 mono_mb_emit_byte (mb, mono_type_to_ldind (sig->params [i]));
3864 case MONO_TYPE_GENERICINST:
3865 if (!mono_type_generic_inst_is_valuetype (sig->params [i])) {
3866 mono_mb_emit_byte (mb, mono_type_to_ldind (sig->params [i]));
3871 case MONO_TYPE_VALUETYPE:
3872 if (type == MONO_TYPE_VALUETYPE && t->data.klass->enumtype) {
3873 type = mono_class_enum_basetype (t->data.klass)->type;
3876 mono_mb_emit_byte (mb, CEE_LDIND_I);
3877 if (mono_class_is_nullable (mono_class_from_mono_type (sig->params [i]))) {
3878 /* Need to convert a boxed vtype to an mp to a Nullable struct */
3879 mono_mb_emit_op (mb, CEE_UNBOX, mono_class_from_mono_type (sig->params [i]));
3880 mono_mb_emit_op (mb, CEE_LDOBJ, mono_class_from_mono_type (sig->params [i]));
3882 mono_mb_emit_op (mb, CEE_LDOBJ, mono_class_from_mono_type (sig->params [i]));
3886 g_assert_not_reached ();
3891 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
3892 } else if (need_direct_wrapper) {
3893 mono_mb_emit_op (mb, CEE_CALL, method);
3895 mono_mb_emit_ldarg (mb, 3);
3896 mono_mb_emit_calli (mb, callsig);
3899 if (sig->ret->byref) {
3901 g_assert_not_reached ();
3904 switch (sig->ret->type) {
3905 case MONO_TYPE_VOID:
3909 case MONO_TYPE_BOOLEAN:
3910 case MONO_TYPE_CHAR:
3923 case MONO_TYPE_VALUETYPE:
3924 case MONO_TYPE_TYPEDBYREF:
3925 case MONO_TYPE_GENERICINST:
3926 /* box value types */
3927 mono_mb_emit_op (mb, CEE_BOX, mono_class_from_mono_type (sig->ret));
3929 case MONO_TYPE_STRING:
3930 case MONO_TYPE_CLASS:
3931 case MONO_TYPE_ARRAY:
3932 case MONO_TYPE_SZARRAY:
3933 case MONO_TYPE_OBJECT:
3937 /* The result is an IntPtr */
3938 mono_mb_emit_op (mb, CEE_BOX, mono_defaults.int_class);
3941 g_assert_not_reached ();
3945 mono_mb_emit_stloc (mb, loc_res);
3947 /* Convert back nullable-byref arguments */
3948 for (i = 0; i < sig->param_count; i++) {
3949 MonoType *t = sig->params [i];
3952 * Box the result and put it back into the array, the caller will have
3953 * to obtain it from there.
3955 if (t->byref && t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t))) {
3956 mono_mb_emit_ldarg (mb, 1);
3957 mono_mb_emit_icon (mb, sizeof (gpointer) * i);
3958 mono_mb_emit_byte (mb, CEE_ADD);
3960 mono_mb_emit_ldloc (mb, tmp_nullable_locals [i]);
3961 mono_mb_emit_op (mb, CEE_BOX, mono_class_from_mono_type (t));
3963 mono_mb_emit_byte (mb, CEE_STIND_REF);
3967 g_free (tmp_nullable_locals);
3971 emit_runtime_invoke_body (MonoMethodBuilder *mb, MonoImage *image, MonoMethod *method,
3972 MonoMethodSignature *sig, MonoMethodSignature *callsig,
3973 gboolean virtual_, gboolean need_direct_wrapper)
3976 MonoExceptionClause *clause;
3977 int loc_res, loc_exc;
3979 /* The wrapper looks like this:
3985 * } catch (Exception e) {
3993 /* allocate local 0 (object) tmp */
3994 loc_res = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3995 /* allocate local 1 (object) exc */
3996 loc_exc = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3998 /* *exc is assumed to be initialized to NULL by the caller */
4000 mono_mb_emit_byte (mb, CEE_LDARG_2);
4001 labels [0] = mono_mb_emit_branch (mb, CEE_BRFALSE);
4006 labels [1] = mono_mb_get_label (mb);
4007 emit_thread_force_interrupt_checkpoint (mb);
4008 emit_invoke_call (mb, method, sig, callsig, loc_res, virtual_, need_direct_wrapper);
4010 labels [2] = mono_mb_emit_branch (mb, CEE_LEAVE);
4012 /* Add a try clause around the call */
4013 clause = (MonoExceptionClause *)mono_image_alloc0 (image, sizeof (MonoExceptionClause));
4014 clause->flags = MONO_EXCEPTION_CLAUSE_NONE;
4015 clause->data.catch_class = mono_defaults.exception_class;
4016 clause->try_offset = labels [1];
4017 clause->try_len = mono_mb_get_label (mb) - labels [1];
4019 clause->handler_offset = mono_mb_get_label (mb);
4022 mono_mb_emit_stloc (mb, loc_exc);
4023 mono_mb_emit_byte (mb, CEE_LDARG_2);
4024 mono_mb_emit_ldloc (mb, loc_exc);
4025 mono_mb_emit_byte (mb, CEE_STIND_REF);
4027 mono_mb_emit_branch (mb, CEE_LEAVE);
4029 clause->handler_len = mono_mb_get_pos (mb) - clause->handler_offset;
4031 mono_mb_set_clauses (mb, 1, clause);
4033 mono_mb_patch_branch (mb, labels [2]);
4034 mono_mb_emit_ldloc (mb, loc_res);
4035 mono_mb_emit_byte (mb, CEE_RET);
4040 mono_mb_patch_branch (mb, labels [0]);
4041 emit_thread_force_interrupt_checkpoint (mb);
4042 emit_invoke_call (mb, method, sig, callsig, loc_res, virtual_, need_direct_wrapper);
4044 mono_mb_emit_ldloc (mb, 0);
4045 mono_mb_emit_byte (mb, CEE_RET);
4050 * generates IL code for the runtime invoke function
4051 * MonoObject *runtime_invoke (MonoObject *this_obj, void **params, MonoObject **exc, void* method)
4053 * we also catch exceptions if exc != null
4054 * If VIRTUAL is TRUE, then METHOD is invoked virtually on THIS. This is useful since
4055 * it means that the compiled code for METHOD does not have to be looked up
4056 * before calling the runtime invoke wrapper. In this case, the wrapper ignores
4057 * its METHOD argument.
4060 mono_marshal_get_runtime_invoke (MonoMethod *method, gboolean virtual_)
4062 MonoMethodSignature *sig, *csig, *callsig;
4063 MonoMethodBuilder *mb;
4064 GHashTable *cache = NULL;
4065 MonoClass *target_klass;
4066 MonoMethod *res = NULL;
4067 static MonoMethodSignature *cctor_signature = NULL;
4068 static MonoMethodSignature *finalize_signature = NULL;
4070 const char *param_names [16];
4071 gboolean need_direct_wrapper = FALSE;
4076 if (!cctor_signature) {
4077 cctor_signature = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
4078 cctor_signature->ret = &mono_defaults.void_class->byval_arg;
4080 if (!finalize_signature) {
4081 finalize_signature = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
4082 finalize_signature->ret = &mono_defaults.void_class->byval_arg;
4083 finalize_signature->hasthis = 1;
4087 need_direct_wrapper = TRUE;
4090 * Use a separate cache indexed by methods to speed things up and to avoid the
4091 * boundless mempool growth caused by the signature_dup stuff below.
4094 cache = get_cache (&method->klass->image->runtime_invoke_vcall_cache, mono_aligned_addr_hash, NULL);
4096 cache = get_cache (&mono_method_get_wrapper_cache (method)->runtime_invoke_direct_cache, mono_aligned_addr_hash, NULL);
4098 res = mono_marshal_find_in_cache (cache, method);
4102 if (method->klass->rank && (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
4103 (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)) {
4105 * Array Get/Set/Address methods. The JIT implements them using inline code
4106 * so we need to create an invoke wrapper which calls the method directly.
4108 need_direct_wrapper = TRUE;
4111 if (method->string_ctor) {
4112 callsig = lookup_string_ctor_signature (mono_method_signature (method));
4114 callsig = add_string_ctor_signature (method);
4115 /* Can't share this as we push a string as this */
4116 need_direct_wrapper = TRUE;
4118 if (method_is_dynamic (method))
4119 callsig = mono_metadata_signature_dup_full (method->klass->image, mono_method_signature (method));
4121 callsig = mono_method_signature (method);
4124 sig = mono_method_signature (method);
4126 target_klass = get_wrapper_target_class (method->klass->image);
4128 /* Try to share wrappers for non-corlib methods with simple signatures */
4129 if (mono_metadata_signature_equal (callsig, cctor_signature)) {
4130 callsig = cctor_signature;
4131 target_klass = mono_defaults.object_class;
4132 } else if (mono_metadata_signature_equal (callsig, finalize_signature)) {
4133 callsig = finalize_signature;
4134 target_klass = mono_defaults.object_class;
4137 if (need_direct_wrapper) {
4138 /* Already searched at the start */
4140 MonoMethodSignature *tmp_sig;
4142 callsig = mono_marshal_get_runtime_invoke_sig (callsig);
4143 GHashTable **cache_table = NULL;
4145 if (method->klass->valuetype && mono_method_signature (method)->hasthis)
4146 cache_table = &mono_method_get_wrapper_cache (method)->runtime_invoke_vtype_cache;
4148 cache_table = &mono_method_get_wrapper_cache (method)->runtime_invoke_cache;
4150 cache = get_cache (cache_table, (GHashFunc)mono_signature_hash,
4151 (GCompareFunc)runtime_invoke_signature_equal);
4153 /* from mono_marshal_find_in_cache */
4154 mono_marshal_lock ();
4155 res = (MonoMethod *)g_hash_table_lookup (cache, callsig);
4156 mono_marshal_unlock ();
4163 /* Make a copy of the signature from the image mempool */
4165 callsig = mono_metadata_signature_dup_full (target_klass->image, callsig);
4169 csig = mono_metadata_signature_alloc (target_klass->image, 4);
4171 csig->ret = &mono_defaults.object_class->byval_arg;
4172 if (method->klass->valuetype && mono_method_signature (method)->hasthis)
4173 csig->params [0] = get_runtime_invoke_type (&method->klass->this_arg, FALSE);
4175 csig->params [0] = &mono_defaults.object_class->byval_arg;
4176 csig->params [1] = &mono_defaults.int_class->byval_arg;
4177 csig->params [2] = &mono_defaults.int_class->byval_arg;
4178 csig->params [3] = &mono_defaults.int_class->byval_arg;
4181 /* This is called from runtime code so it has to be cdecl */
4182 csig->call_convention = MONO_CALL_C;
4185 name = mono_signature_to_name (callsig, virtual_ ? "runtime_invoke_virtual" : "runtime_invoke");
4186 mb = mono_mb_new (target_klass, name, MONO_WRAPPER_RUNTIME_INVOKE);
4190 param_names [0] = "this";
4191 param_names [1] = "params";
4192 param_names [2] = "exc";
4193 param_names [3] = "method";
4194 mono_mb_set_param_names (mb, param_names);
4196 emit_runtime_invoke_body (mb, target_klass->image, method, sig, callsig, virtual_, need_direct_wrapper);
4199 if (need_direct_wrapper) {
4201 mb->skip_visibility = 1;
4203 info = mono_wrapper_info_create (mb, virtual_ ? WRAPPER_SUBTYPE_RUNTIME_INVOKE_VIRTUAL : WRAPPER_SUBTYPE_RUNTIME_INVOKE_DIRECT);
4204 info->d.runtime_invoke.method = method;
4205 res = mono_mb_create_and_cache_full (cache, method, mb, csig, sig->param_count + 16, info, NULL);
4207 /* taken from mono_mb_create_and_cache */
4208 mono_marshal_lock ();
4209 res = (MonoMethod *)g_hash_table_lookup (cache, callsig);
4210 mono_marshal_unlock ();
4212 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_RUNTIME_INVOKE_NORMAL);
4213 info->d.runtime_invoke.sig = callsig;
4215 /* Somebody may have created it before us */
4218 newm = mono_mb_create (mb, csig, sig->param_count + 16, info);
4220 mono_marshal_lock ();
4221 res = (MonoMethod *)g_hash_table_lookup (cache, callsig);
4223 GHashTable *direct_cache;
4225 g_hash_table_insert (cache, callsig, res);
4226 /* Can't insert it into wrapper_hash since the key is a signature */
4227 direct_cache = mono_method_get_wrapper_cache (method)->runtime_invoke_direct_cache;
4229 g_hash_table_insert (direct_cache, method, res);
4231 mono_free_method (newm);
4233 mono_marshal_unlock ();
4236 /* end mono_mb_create_and_cache */
4245 * mono_marshal_get_runtime_invoke_dynamic:
4247 * Return a method which can be used to invoke managed methods from native code
4249 * The signature of the returned method is given by RuntimeInvokeDynamicFunction:
4250 * void runtime_invoke (void *args, MonoObject **exc, void *compiled_method)
4251 * ARGS should point to an architecture specific structure containing
4252 * the arguments and space for the return value.
4253 * The other arguments are the same as for runtime_invoke (), except that
4254 * ARGS should contain the this argument too.
4255 * This wrapper serves the same purpose as the runtime-invoke wrappers, but there
4256 * is only one copy of it, which is useful in full-aot.
4259 mono_marshal_get_runtime_invoke_dynamic (void)
4261 static MonoMethod *method;
4262 MonoMethodSignature *csig;
4263 MonoExceptionClause *clause;
4264 MonoMethodBuilder *mb;
4272 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
4274 csig->ret = &mono_defaults.void_class->byval_arg;
4275 csig->params [0] = &mono_defaults.int_class->byval_arg;
4276 csig->params [1] = &mono_defaults.int_class->byval_arg;
4277 csig->params [2] = &mono_defaults.int_class->byval_arg;
4278 csig->params [3] = &mono_defaults.int_class->byval_arg;
4280 name = g_strdup ("runtime_invoke_dynamic");
4281 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_RUNTIME_INVOKE);
4285 /* allocate local 0 (object) tmp */
4286 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4287 /* allocate local 1 (object) exc */
4288 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4290 /* cond set *exc to null */
4291 mono_mb_emit_byte (mb, CEE_LDARG_1);
4292 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
4293 mono_mb_emit_byte (mb, 3);
4294 mono_mb_emit_byte (mb, CEE_LDARG_1);
4295 mono_mb_emit_byte (mb, CEE_LDNULL);
4296 mono_mb_emit_byte (mb, CEE_STIND_REF);
4298 emit_thread_force_interrupt_checkpoint (mb);
4300 mono_mb_emit_byte (mb, CEE_LDARG_0);
4301 mono_mb_emit_byte (mb, CEE_LDARG_2);
4302 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4303 mono_mb_emit_byte (mb, CEE_MONO_DYN_CALL);
4305 pos = mono_mb_emit_branch (mb, CEE_LEAVE);
4307 clause = (MonoExceptionClause *)mono_image_alloc0 (mono_defaults.corlib, sizeof (MonoExceptionClause));
4308 clause->flags = MONO_EXCEPTION_CLAUSE_FILTER;
4309 clause->try_len = mono_mb_get_label (mb);
4312 clause->data.filter_offset = mono_mb_get_label (mb);
4314 mono_mb_emit_byte (mb, CEE_POP);
4315 mono_mb_emit_byte (mb, CEE_LDARG_1);
4316 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
4317 mono_mb_emit_byte (mb, CEE_PREFIX1);
4318 mono_mb_emit_byte (mb, CEE_CGT_UN);
4319 mono_mb_emit_byte (mb, CEE_PREFIX1);
4320 mono_mb_emit_byte (mb, CEE_ENDFILTER);
4322 clause->handler_offset = mono_mb_get_label (mb);
4325 /* store exception */
4326 mono_mb_emit_stloc (mb, 1);
4328 mono_mb_emit_byte (mb, CEE_LDARG_1);
4329 mono_mb_emit_ldloc (mb, 1);
4330 mono_mb_emit_byte (mb, CEE_STIND_REF);
4332 mono_mb_emit_byte (mb, CEE_LDNULL);
4333 mono_mb_emit_stloc (mb, 0);
4335 /* Check for the abort exception */
4336 mono_mb_emit_ldloc (mb, 1);
4337 mono_mb_emit_op (mb, CEE_ISINST, mono_defaults.threadabortexception_class);
4338 posna = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
4340 /* Delay the abort exception */
4341 mono_mb_emit_icall (mb, ves_icall_System_Threading_Thread_ResetAbort);
4343 mono_mb_patch_short_branch (mb, posna);
4344 mono_mb_emit_branch (mb, CEE_LEAVE);
4346 clause->handler_len = mono_mb_get_pos (mb) - clause->handler_offset;
4348 mono_mb_set_clauses (mb, 1, clause);
4351 mono_mb_patch_branch (mb, pos);
4352 //mono_mb_emit_ldloc (mb, 0);
4353 mono_mb_emit_byte (mb, CEE_RET);
4354 #endif /* DISABLE_JIT */
4356 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_RUNTIME_INVOKE_DYNAMIC);
4358 mono_marshal_lock ();
4359 /* double-checked locking */
4361 method = mono_mb_create (mb, csig, 16, info);
4363 mono_marshal_unlock ();
4371 * mono_marshal_get_runtime_invoke_for_sig:
4373 * Return a runtime invoke wrapper for a given signature.
4376 mono_marshal_get_runtime_invoke_for_sig (MonoMethodSignature *sig)
4378 MonoMethodSignature *csig, *callsig;
4379 MonoMethodBuilder *mb;
4381 GHashTable *cache = NULL;
4382 GHashTable **cache_table = NULL;
4383 MonoMethod *res = NULL;
4385 const char *param_names [16];
4388 /* A simplified version of mono_marshal_get_runtime_invoke */
4390 image = mono_defaults.corlib;
4392 callsig = mono_marshal_get_runtime_invoke_sig (sig);
4394 cache_table = &image->wrapper_caches.runtime_invoke_sig_cache;
4396 cache = get_cache (cache_table, (GHashFunc)mono_signature_hash,
4397 (GCompareFunc)runtime_invoke_signature_equal);
4399 /* from mono_marshal_find_in_cache */
4400 mono_marshal_lock ();
4401 res = (MonoMethod *)g_hash_table_lookup (cache, callsig);
4402 mono_marshal_unlock ();
4409 /* Make a copy of the signature from the image mempool */
4410 callsig = mono_metadata_signature_dup_full (image, callsig);
4412 csig = mono_metadata_signature_alloc (image, 4);
4413 csig->ret = &mono_defaults.object_class->byval_arg;
4414 csig->params [0] = &mono_defaults.object_class->byval_arg;
4415 csig->params [1] = &mono_defaults.int_class->byval_arg;
4416 csig->params [2] = &mono_defaults.int_class->byval_arg;
4417 csig->params [3] = &mono_defaults.int_class->byval_arg;
4420 /* This is called from runtime code so it has to be cdecl */
4421 csig->call_convention = MONO_CALL_C;
4424 name = mono_signature_to_name (callsig, "runtime_invoke_sig");
4425 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_RUNTIME_INVOKE);
4429 param_names [0] = "this";
4430 param_names [1] = "params";
4431 param_names [2] = "exc";
4432 param_names [3] = "method";
4433 mono_mb_set_param_names (mb, param_names);
4435 emit_runtime_invoke_body (mb, image, NULL, sig, callsig, FALSE, FALSE);
4438 /* taken from mono_mb_create_and_cache */
4439 mono_marshal_lock ();
4440 res = (MonoMethod *)g_hash_table_lookup (cache, callsig);
4441 mono_marshal_unlock ();
4443 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_RUNTIME_INVOKE_NORMAL);
4444 info->d.runtime_invoke.sig = callsig;
4446 /* Somebody may have created it before us */
4449 newm = mono_mb_create (mb, csig, sig->param_count + 16, info);
4451 mono_marshal_lock ();
4452 res = (MonoMethod *)g_hash_table_lookup (cache, callsig);
4455 g_hash_table_insert (cache, callsig, res);
4457 mono_free_method (newm);
4459 mono_marshal_unlock ();
4462 /* end mono_mb_create_and_cache */
4471 mono_mb_emit_auto_layout_exception (MonoMethodBuilder *mb, MonoClass *klass)
4473 char *msg = g_strdup_printf ("The type `%s.%s' layout needs to be Sequential or Explicit",
4474 klass->name_space, klass->name);
4476 mono_mb_emit_exception_marshal_directive (mb, msg);
4481 * generates IL code for the icall wrapper (the generated method
4482 * calls the unmanaged code in func)
4485 mono_marshal_get_icall_wrapper (MonoMethodSignature *sig, const char *name, gconstpointer func, gboolean check_exceptions)
4487 MonoMethodSignature *csig, *csig2;
4488 MonoMethodBuilder *mb;
4493 GHashTable *cache = get_cache (&mono_defaults.object_class->image->icall_wrapper_cache, mono_aligned_addr_hash, NULL);
4494 if ((res = mono_marshal_find_in_cache (cache, (gpointer) func)))
4497 g_assert (sig->pinvoke);
4499 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_MANAGED_TO_NATIVE);
4501 mb->method->save_lmf = 1;
4503 /* Add an explicit this argument */
4505 csig2 = mono_metadata_signature_dup_add_this (mono_defaults.corlib, sig, mono_defaults.object_class);
4507 csig2 = mono_metadata_signature_dup_full (mono_defaults.corlib, sig);
4511 mono_mb_emit_byte (mb, CEE_LDARG_0);
4513 for (i = 0; i < sig->param_count; i++)
4514 mono_mb_emit_ldarg (mb, i + sig->hasthis);
4516 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4517 mono_mb_emit_op (mb, CEE_MONO_JIT_ICALL_ADDR, (gpointer)func);
4518 mono_mb_emit_calli (mb, csig2);
4519 if (check_exceptions)
4520 emit_thread_interrupt_checkpoint (mb);
4521 mono_mb_emit_byte (mb, CEE_RET);
4524 csig = mono_metadata_signature_dup_full (mono_defaults.corlib, sig);
4526 if (csig->call_convention == MONO_CALL_VARARG)
4527 csig->call_convention = 0;
4529 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_ICALL_WRAPPER);
4530 info->d.icall.func = (gpointer)func;
4531 res = mono_mb_create_and_cache_full (cache, (gpointer) func, mb, csig, csig->param_count + 16, info, NULL);
4538 emit_marshal_custom (EmitMarshalContext *m, int argnum, MonoType *t,
4539 MonoMarshalSpec *spec,
4540 int conv_arg, MonoType **conv_arg_type,
4541 MarshalAction action)
4544 if (action == MARSHAL_ACTION_CONV_IN && t->type == MONO_TYPE_VALUETYPE)
4545 *conv_arg_type = &mono_defaults.int_class->byval_arg;
4551 static MonoClass *ICustomMarshaler = NULL;
4552 static MonoMethod *cleanup_native, *cleanup_managed;
4553 static MonoMethod *marshal_managed_to_native, *marshal_native_to_managed;
4554 MonoMethod *get_instance = NULL;
4555 MonoMethodBuilder *mb = m->mb;
4556 char *exception_msg = NULL;
4560 if (!ICustomMarshaler) {
4561 MonoClass *klass = mono_class_try_get_icustom_marshaler_class ();
4563 exception_msg = g_strdup ("Current profile doesn't support ICustomMarshaler");
4564 goto handle_exception;
4567 cleanup_native = mono_class_get_method_from_name (klass, "CleanUpNativeData", 1);
4568 g_assert (cleanup_native);
4569 cleanup_managed = mono_class_get_method_from_name (klass, "CleanUpManagedData", 1);
4570 g_assert (cleanup_managed);
4571 marshal_managed_to_native = mono_class_get_method_from_name (klass, "MarshalManagedToNative", 1);
4572 g_assert (marshal_managed_to_native);
4573 marshal_native_to_managed = mono_class_get_method_from_name (klass, "MarshalNativeToManaged", 1);
4574 g_assert (marshal_native_to_managed);
4576 mono_memory_barrier ();
4577 ICustomMarshaler = klass;
4580 if (spec->data.custom_data.image)
4581 mtype = mono_reflection_type_from_name_checked (spec->data.custom_data.custom_name, spec->data.custom_data.image, &error);
4583 mtype = mono_reflection_type_from_name_checked (spec->data.custom_data.custom_name, m->image, &error);
4584 g_assert (mtype != NULL);
4585 mono_error_assert_ok (&error);
4586 mklass = mono_class_from_mono_type (mtype);
4587 g_assert (mklass != NULL);
4589 if (!mono_class_is_assignable_from (ICustomMarshaler, mklass))
4590 exception_msg = g_strdup_printf ("Custom marshaler '%s' does not implement the ICustomMarshaler interface.", mklass->name);
4592 get_instance = mono_class_get_method_from_name_flags (mklass, "GetInstance", 1, METHOD_ATTRIBUTE_STATIC);
4594 MonoMethodSignature *get_sig = mono_method_signature (get_instance);
4595 if ((get_sig->ret->type != MONO_TYPE_CLASS) ||
4596 (mono_class_from_mono_type (get_sig->ret) != ICustomMarshaler) ||
4597 (get_sig->params [0]->type != MONO_TYPE_STRING))
4598 get_instance = NULL;
4602 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);
4605 /* Throw exception and emit compensation code if neccesary */
4606 if (exception_msg) {
4608 case MARSHAL_ACTION_CONV_IN:
4609 case MARSHAL_ACTION_CONV_RESULT:
4610 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
4611 if ((action == MARSHAL_ACTION_CONV_RESULT) || (action == MARSHAL_ACTION_MANAGED_CONV_RESULT))
4612 mono_mb_emit_byte (mb, CEE_POP);
4614 mono_mb_emit_exception_full (mb, "System", "ApplicationException", exception_msg);
4615 g_free (exception_msg);
4618 case MARSHAL_ACTION_PUSH:
4619 mono_mb_emit_byte (mb, CEE_LDNULL);
4627 /* FIXME: MS.NET seems to create one instance for each klass + cookie pair */
4628 /* FIXME: MS.NET throws an exception if GetInstance returns null */
4631 case MARSHAL_ACTION_CONV_IN:
4633 case MONO_TYPE_CLASS:
4634 case MONO_TYPE_OBJECT:
4635 case MONO_TYPE_STRING:
4636 case MONO_TYPE_ARRAY:
4637 case MONO_TYPE_SZARRAY:
4638 case MONO_TYPE_VALUETYPE:
4642 g_warning ("custom marshalling of type %x is currently not supported", t->type);
4643 g_assert_not_reached ();
4647 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
4649 mono_mb_emit_byte (mb, CEE_LDNULL);
4650 mono_mb_emit_stloc (mb, conv_arg);
4652 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT))
4655 /* Minic MS.NET behavior */
4656 if (!t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT) && !(t->attrs & PARAM_ATTRIBUTE_IN))
4659 /* Check for null */
4660 mono_mb_emit_ldarg (mb, argnum);
4662 mono_mb_emit_byte (mb, CEE_LDIND_I);
4663 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
4665 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
4667 mono_mb_emit_op (mb, CEE_CALL, get_instance);
4669 mono_mb_emit_ldarg (mb, argnum);
4671 mono_mb_emit_byte (mb, CEE_LDIND_REF);
4673 if (t->type == MONO_TYPE_VALUETYPE) {
4675 * Since we can't determine the type of the argument, we
4676 * will assume the unmanaged function takes a pointer.
4678 *conv_arg_type = &mono_defaults.int_class->byval_arg;
4680 mono_mb_emit_op (mb, CEE_BOX, mono_class_from_mono_type (t));
4683 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_managed_to_native);
4684 mono_mb_emit_stloc (mb, conv_arg);
4686 mono_mb_patch_branch (mb, pos2);
4689 case MARSHAL_ACTION_CONV_OUT:
4690 /* Check for null */
4691 mono_mb_emit_ldloc (mb, conv_arg);
4692 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
4695 mono_mb_emit_ldarg (mb, argnum);
4697 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
4699 mono_mb_emit_op (mb, CEE_CALL, get_instance);
4701 mono_mb_emit_ldloc (mb, conv_arg);
4702 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
4703 mono_mb_emit_byte (mb, CEE_STIND_REF);
4704 } else if (t->attrs & PARAM_ATTRIBUTE_OUT) {
4705 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
4707 mono_mb_emit_op (mb, CEE_CALL, get_instance);
4709 mono_mb_emit_ldloc (mb, conv_arg);
4710 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
4712 /* We have nowhere to store the result */
4713 mono_mb_emit_byte (mb, CEE_POP);
4716 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
4718 mono_mb_emit_op (mb, CEE_CALL, get_instance);
4720 mono_mb_emit_ldloc (mb, conv_arg);
4722 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_native);
4724 mono_mb_patch_branch (mb, pos2);
4727 case MARSHAL_ACTION_PUSH:
4729 mono_mb_emit_ldloc_addr (mb, conv_arg);
4731 mono_mb_emit_ldloc (mb, conv_arg);
4734 case MARSHAL_ACTION_CONV_RESULT:
4735 loc1 = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
4737 mono_mb_emit_stloc (mb, 3);
4739 mono_mb_emit_ldloc (mb, 3);
4740 mono_mb_emit_stloc (mb, loc1);
4742 /* Check for null */
4743 mono_mb_emit_ldloc (mb, 3);
4744 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
4746 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
4748 mono_mb_emit_op (mb, CEE_CALL, get_instance);
4749 mono_mb_emit_byte (mb, CEE_DUP);
4751 mono_mb_emit_ldloc (mb, 3);
4752 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
4753 mono_mb_emit_stloc (mb, 3);
4755 mono_mb_emit_ldloc (mb, loc1);
4756 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_native);
4758 mono_mb_patch_branch (mb, pos2);
4761 case MARSHAL_ACTION_MANAGED_CONV_IN:
4762 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4764 mono_mb_emit_byte (mb, CEE_LDNULL);
4765 mono_mb_emit_stloc (mb, conv_arg);
4767 if (t->byref && t->attrs & PARAM_ATTRIBUTE_OUT)
4770 /* Check for null */
4771 mono_mb_emit_ldarg (mb, argnum);
4773 mono_mb_emit_byte (mb, CEE_LDIND_I);
4774 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
4776 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
4777 mono_mb_emit_op (mb, CEE_CALL, get_instance);
4779 mono_mb_emit_ldarg (mb, argnum);
4781 mono_mb_emit_byte (mb, CEE_LDIND_I);
4783 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
4784 mono_mb_emit_stloc (mb, conv_arg);
4786 mono_mb_patch_branch (mb, pos2);
4789 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
4790 g_assert (!t->byref);
4792 loc1 = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4794 mono_mb_emit_stloc (mb, 3);
4796 mono_mb_emit_ldloc (mb, 3);
4797 mono_mb_emit_stloc (mb, loc1);
4799 /* Check for null */
4800 mono_mb_emit_ldloc (mb, 3);
4801 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
4803 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
4804 mono_mb_emit_op (mb, CEE_CALL, get_instance);
4805 mono_mb_emit_byte (mb, CEE_DUP);
4807 mono_mb_emit_ldloc (mb, 3);
4808 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_managed_to_native);
4809 mono_mb_emit_stloc (mb, 3);
4811 mono_mb_emit_ldloc (mb, loc1);
4812 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_managed);
4814 mono_mb_patch_branch (mb, pos2);
4817 case MARSHAL_ACTION_MANAGED_CONV_OUT:
4819 /* Check for null */
4820 mono_mb_emit_ldloc (mb, conv_arg);
4821 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
4824 mono_mb_emit_ldarg (mb, argnum);
4826 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
4828 mono_mb_emit_op (mb, CEE_CALL, get_instance);
4830 mono_mb_emit_ldloc (mb, conv_arg);
4831 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_managed_to_native);
4832 mono_mb_emit_byte (mb, CEE_STIND_I);
4835 /* Call CleanUpManagedData */
4836 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
4838 mono_mb_emit_op (mb, CEE_CALL, get_instance);
4840 mono_mb_emit_ldloc (mb, conv_arg);
4841 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_managed);
4843 mono_mb_patch_branch (mb, pos2);
4847 g_assert_not_reached ();
4855 emit_marshal_asany (EmitMarshalContext *m, int argnum, MonoType *t,
4856 MonoMarshalSpec *spec,
4857 int conv_arg, MonoType **conv_arg_type,
4858 MarshalAction action)
4861 MonoMethodBuilder *mb = m->mb;
4864 case MARSHAL_ACTION_CONV_IN: {
4865 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, NULL);
4867 g_assert (t->type == MONO_TYPE_OBJECT);
4868 g_assert (!t->byref);
4870 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
4871 mono_mb_emit_ldarg (mb, argnum);
4872 mono_mb_emit_icon (mb, encoding);
4873 mono_mb_emit_icon (mb, t->attrs);
4874 mono_mb_emit_icall (mb, mono_marshal_asany);
4875 mono_mb_emit_stloc (mb, conv_arg);
4879 case MARSHAL_ACTION_PUSH:
4880 mono_mb_emit_ldloc (mb, conv_arg);
4883 case MARSHAL_ACTION_CONV_OUT: {
4884 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, NULL);
4886 mono_mb_emit_ldarg (mb, argnum);
4887 mono_mb_emit_ldloc (mb, conv_arg);
4888 mono_mb_emit_icon (mb, encoding);
4889 mono_mb_emit_icon (mb, t->attrs);
4890 mono_mb_emit_icall (mb, mono_marshal_free_asany);
4895 g_assert_not_reached ();
4902 emit_marshal_vtype (EmitMarshalContext *m, int argnum, MonoType *t,
4903 MonoMarshalSpec *spec,
4904 int conv_arg, MonoType **conv_arg_type,
4905 MarshalAction action)
4908 MonoMethodBuilder *mb = m->mb;
4909 MonoClass *klass, *date_time_class;
4912 klass = mono_class_from_mono_type (t);
4914 date_time_class = mono_class_get_date_time_class ();
4917 case MARSHAL_ACTION_CONV_IN:
4918 if (klass == date_time_class) {
4919 /* Convert it to an OLE DATE type */
4920 static MonoMethod *to_oadate;
4923 to_oadate = mono_class_get_method_from_name (date_time_class, "ToOADate", 0);
4924 g_assert (to_oadate);
4926 conv_arg = mono_mb_add_local (mb, &mono_defaults.double_class->byval_arg);
4929 mono_mb_emit_ldarg (mb, argnum);
4930 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
4933 if (!(t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && (t->attrs & PARAM_ATTRIBUTE_OUT))) {
4935 m->csig->params [argnum - m->csig->hasthis] = &mono_defaults.double_class->byval_arg;
4937 mono_mb_emit_ldarg_addr (mb, argnum);
4938 mono_mb_emit_managed_call (mb, to_oadate, NULL);
4939 mono_mb_emit_stloc (mb, conv_arg);
4943 mono_mb_patch_branch (mb, pos);
4947 if (mono_class_is_explicit_layout (klass) || klass->blittable || klass->enumtype)
4950 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
4952 /* store the address of the source into local variable 0 */
4954 mono_mb_emit_ldarg (mb, argnum);
4956 mono_mb_emit_ldarg_addr (mb, argnum);
4958 mono_mb_emit_stloc (mb, 0);
4960 /* allocate space for the native struct and
4961 * store the address into local variable 1 (dest) */
4962 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
4963 mono_mb_emit_byte (mb, CEE_PREFIX1);
4964 mono_mb_emit_byte (mb, CEE_LOCALLOC);
4965 mono_mb_emit_stloc (mb, conv_arg);
4968 mono_mb_emit_ldloc (mb, 0);
4969 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
4972 if (!(t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && (t->attrs & PARAM_ATTRIBUTE_OUT))) {
4974 mono_mb_emit_ldloc (mb, conv_arg);
4975 mono_mb_emit_stloc (mb, 1);
4977 /* emit valuetype conversion code */
4978 emit_struct_conv (mb, klass, FALSE);
4982 mono_mb_patch_branch (mb, pos);
4985 case MARSHAL_ACTION_PUSH:
4986 if (spec && spec->native == MONO_NATIVE_LPSTRUCT) {
4988 g_assert (!t->byref);
4990 /* Have to change the signature since the vtype is passed byref */
4991 m->csig->params [argnum - m->csig->hasthis] = &mono_defaults.int_class->byval_arg;
4993 if (mono_class_is_explicit_layout (klass) || klass->blittable || klass->enumtype)
4994 mono_mb_emit_ldarg_addr (mb, argnum);
4996 mono_mb_emit_ldloc (mb, conv_arg);
5000 if (klass == date_time_class) {
5002 mono_mb_emit_ldloc_addr (mb, conv_arg);
5004 mono_mb_emit_ldloc (mb, conv_arg);
5008 if (mono_class_is_explicit_layout (klass) || klass->blittable || klass->enumtype) {
5009 mono_mb_emit_ldarg (mb, argnum);
5012 mono_mb_emit_ldloc (mb, conv_arg);
5014 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5015 mono_mb_emit_op (mb, CEE_MONO_LDNATIVEOBJ, klass);
5019 case MARSHAL_ACTION_CONV_OUT:
5020 if (klass == date_time_class) {
5021 /* Convert from an OLE DATE type */
5022 static MonoMethod *from_oadate;
5027 if (!((t->attrs & PARAM_ATTRIBUTE_IN) && !(t->attrs & PARAM_ATTRIBUTE_OUT))) {
5029 from_oadate = mono_class_get_method_from_name (date_time_class, "FromOADate", 1);
5030 g_assert (from_oadate);
5032 mono_mb_emit_ldarg (mb, argnum);
5033 mono_mb_emit_ldloc (mb, conv_arg);
5034 mono_mb_emit_managed_call (mb, from_oadate, NULL);
5035 mono_mb_emit_op (mb, CEE_STOBJ, date_time_class);
5040 if (mono_class_is_explicit_layout (klass) || klass->blittable || klass->enumtype)
5044 /* dst = argument */
5045 mono_mb_emit_ldarg (mb, argnum);
5046 mono_mb_emit_stloc (mb, 1);
5048 mono_mb_emit_ldloc (mb, 1);
5049 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
5051 if (!((t->attrs & PARAM_ATTRIBUTE_IN) && !(t->attrs & PARAM_ATTRIBUTE_OUT))) {
5052 /* src = tmp_locals [i] */
5053 mono_mb_emit_ldloc (mb, conv_arg);
5054 mono_mb_emit_stloc (mb, 0);
5056 /* emit valuetype conversion code */
5057 emit_struct_conv (mb, klass, TRUE);
5061 emit_struct_free (mb, klass, conv_arg);
5064 mono_mb_patch_branch (mb, pos);
5067 case MARSHAL_ACTION_CONV_RESULT:
5068 if (mono_class_is_explicit_layout (klass) || klass->blittable) {
5069 mono_mb_emit_stloc (mb, 3);
5073 /* load pointer to returned value type */
5074 g_assert (m->vtaddr_var);
5075 mono_mb_emit_ldloc (mb, m->vtaddr_var);
5076 /* store the address of the source into local variable 0 */
5077 mono_mb_emit_stloc (mb, 0);
5079 mono_mb_emit_ldloc_addr (mb, 3);
5080 mono_mb_emit_stloc (mb, 1);
5082 /* emit valuetype conversion code */
5083 emit_struct_conv (mb, klass, TRUE);
5086 case MARSHAL_ACTION_MANAGED_CONV_IN:
5087 if (mono_class_is_explicit_layout (klass) || klass->blittable || klass->enumtype) {
5092 conv_arg = mono_mb_add_local (mb, &klass->byval_arg);
5094 if (t->attrs & PARAM_ATTRIBUTE_OUT)
5098 mono_mb_emit_ldarg (mb, argnum);
5100 mono_mb_emit_ldarg_addr (mb, argnum);
5101 mono_mb_emit_stloc (mb, 0);
5104 mono_mb_emit_ldloc (mb, 0);
5105 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
5108 mono_mb_emit_ldloc_addr (mb, conv_arg);
5109 mono_mb_emit_stloc (mb, 1);
5111 /* emit valuetype conversion code */
5112 emit_struct_conv (mb, klass, TRUE);
5115 mono_mb_patch_branch (mb, pos);
5118 case MARSHAL_ACTION_MANAGED_CONV_OUT:
5119 if (mono_class_is_explicit_layout (klass) || klass->blittable || klass->enumtype)
5121 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_IN) && !(t->attrs & PARAM_ATTRIBUTE_OUT))
5124 /* Check for null */
5125 mono_mb_emit_ldarg (mb, argnum);
5126 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5129 mono_mb_emit_ldloc_addr (mb, conv_arg);
5130 mono_mb_emit_stloc (mb, 0);
5133 mono_mb_emit_ldarg (mb, argnum);
5134 mono_mb_emit_stloc (mb, 1);
5136 /* emit valuetype conversion code */
5137 emit_struct_conv (mb, klass, FALSE);
5139 mono_mb_patch_branch (mb, pos2);
5142 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
5143 if (mono_class_is_explicit_layout (klass) || klass->blittable || klass->enumtype) {
5144 mono_mb_emit_stloc (mb, 3);
5149 /* load pointer to returned value type */
5150 g_assert (m->vtaddr_var);
5151 mono_mb_emit_ldloc (mb, m->vtaddr_var);
5153 /* store the address of the source into local variable 0 */
5154 mono_mb_emit_stloc (mb, 0);
5155 /* allocate space for the native struct and
5156 * store the address into dst_ptr */
5157 m->retobj_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5158 m->retobj_class = klass;
5159 g_assert (m->retobj_var);
5160 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
5161 mono_mb_emit_byte (mb, CEE_CONV_I);
5162 mono_mb_emit_icall (mb, ves_icall_marshal_alloc);
5163 mono_mb_emit_stloc (mb, 1);
5164 mono_mb_emit_ldloc (mb, 1);
5165 mono_mb_emit_stloc (mb, m->retobj_var);
5167 /* emit valuetype conversion code */
5168 emit_struct_conv (mb, klass, FALSE);
5172 g_assert_not_reached ();
5179 emit_marshal_string (EmitMarshalContext *m, int argnum, MonoType *t,
5180 MonoMarshalSpec *spec,
5181 int conv_arg, MonoType **conv_arg_type,
5182 MarshalAction action)
5186 case MARSHAL_ACTION_CONV_IN:
5187 *conv_arg_type = &mono_defaults.int_class->byval_arg;
5189 case MARSHAL_ACTION_MANAGED_CONV_IN:
5190 *conv_arg_type = &mono_defaults.int_class->byval_arg;
5194 MonoMethodBuilder *mb = m->mb;
5195 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
5196 MonoMarshalConv conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
5200 case MARSHAL_ACTION_CONV_IN:
5201 *conv_arg_type = &mono_defaults.int_class->byval_arg;
5202 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5205 if (t->attrs & PARAM_ATTRIBUTE_OUT)
5208 mono_mb_emit_ldarg (mb, argnum);
5209 mono_mb_emit_byte (mb, CEE_LDIND_I);
5211 mono_mb_emit_ldarg (mb, argnum);
5214 if (conv == MONO_MARSHAL_CONV_INVALID) {
5215 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
5216 mono_mb_emit_exception_marshal_directive (mb, msg);
5218 mono_mb_emit_icall (mb, conv_to_icall (conv, NULL));
5220 mono_mb_emit_stloc (mb, conv_arg);
5224 case MARSHAL_ACTION_CONV_OUT:
5225 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
5226 if (conv == MONO_MARSHAL_CONV_INVALID) {
5227 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
5228 mono_mb_emit_exception_marshal_directive (mb, msg);
5232 if (encoding == MONO_NATIVE_VBBYREFSTR) {
5233 static MonoMethod *m;
5236 m = mono_class_get_method_from_name_flags (mono_defaults.string_class, "get_Length", -1, 0);
5241 char *msg = g_strdup_printf ("VBByRefStr marshalling requires a ref parameter.", encoding);
5242 mono_mb_emit_exception_marshal_directive (mb, msg);
5247 * Have to allocate a new string with the same length as the original, and
5248 * copy the contents of the buffer pointed to by CONV_ARG into it.
5250 g_assert (t->byref);
5251 mono_mb_emit_ldarg (mb, argnum);
5252 mono_mb_emit_ldloc (mb, conv_arg);
5253 mono_mb_emit_ldarg (mb, argnum);
5254 mono_mb_emit_byte (mb, CEE_LDIND_I);
5255 mono_mb_emit_managed_call (mb, m, NULL);
5256 mono_mb_emit_icall (mb, mono_string_new_len_wrapper);
5257 mono_mb_emit_byte (mb, CEE_STIND_REF);
5258 } else if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT || !(t->attrs & PARAM_ATTRIBUTE_IN))) {
5260 mono_mb_emit_ldarg (mb, argnum);
5261 mono_mb_emit_ldloc (mb, conv_arg);
5262 mono_mb_emit_icall (mb, conv_to_icall (conv, &stind_op));
5263 mono_mb_emit_byte (mb, stind_op);
5268 mono_mb_emit_ldloc (mb, conv_arg);
5269 if (conv == MONO_MARSHAL_CONV_BSTR_STR)
5270 mono_mb_emit_icall (mb, mono_free_bstr);
5272 mono_mb_emit_icall (mb, mono_marshal_free);
5276 case MARSHAL_ACTION_PUSH:
5277 if (t->byref && encoding != MONO_NATIVE_VBBYREFSTR)
5278 mono_mb_emit_ldloc_addr (mb, conv_arg);
5280 mono_mb_emit_ldloc (mb, conv_arg);
5283 case MARSHAL_ACTION_CONV_RESULT:
5284 mono_mb_emit_stloc (mb, 0);
5286 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
5287 if (conv == MONO_MARSHAL_CONV_INVALID) {
5288 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
5289 mono_mb_emit_exception_marshal_directive (mb, msg);
5293 mono_mb_emit_ldloc (mb, 0);
5294 mono_mb_emit_icall (mb, conv_to_icall (conv, NULL));
5295 mono_mb_emit_stloc (mb, 3);
5297 /* free the string */
5298 mono_mb_emit_ldloc (mb, 0);
5299 if (conv == MONO_MARSHAL_CONV_BSTR_STR)
5300 mono_mb_emit_icall (mb, mono_free_bstr);
5302 mono_mb_emit_icall (mb, mono_marshal_free);
5305 case MARSHAL_ACTION_MANAGED_CONV_IN:
5306 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
5308 *conv_arg_type = &mono_defaults.int_class->byval_arg;
5311 if (t->attrs & PARAM_ATTRIBUTE_OUT)
5315 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
5316 if (conv == MONO_MARSHAL_CONV_INVALID) {
5317 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
5318 mono_mb_emit_exception_marshal_directive (mb, msg);
5322 mono_mb_emit_ldarg (mb, argnum);
5324 mono_mb_emit_byte (mb, CEE_LDIND_I);
5325 mono_mb_emit_icall (mb, conv_to_icall (conv, NULL));
5326 mono_mb_emit_stloc (mb, conv_arg);
5329 case MARSHAL_ACTION_MANAGED_CONV_OUT:
5333 mono_mb_emit_ldarg (mb, argnum);
5334 mono_mb_emit_ldloc (mb, conv_arg);
5335 mono_mb_emit_icall (mb, conv_to_icall (conv, &stind_op));
5336 mono_mb_emit_byte (mb, stind_op);
5341 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
5342 if (conv_to_icall (conv, NULL) == mono_marshal_string_to_utf16)
5343 /* We need to make a copy so the caller is able to free it */
5344 mono_mb_emit_icall (mb, mono_marshal_string_to_utf16_copy);
5346 mono_mb_emit_icall (mb, conv_to_icall (conv, NULL));
5347 mono_mb_emit_stloc (mb, 3);
5351 g_assert_not_reached ();
5359 emit_marshal_safehandle (EmitMarshalContext *m, int argnum, MonoType *t,
5360 MonoMarshalSpec *spec, int conv_arg,
5361 MonoType **conv_arg_type, MarshalAction action)
5364 if (action == MARSHAL_ACTION_CONV_IN)
5365 *conv_arg_type = &mono_defaults.int_class->byval_arg;
5367 MonoMethodBuilder *mb = m->mb;
5370 case MARSHAL_ACTION_CONV_IN: {
5371 MonoType *intptr_type;
5372 int dar_release_slot, pos;
5374 intptr_type = &mono_defaults.int_class->byval_arg;
5375 conv_arg = mono_mb_add_local (mb, intptr_type);
5376 *conv_arg_type = intptr_type;
5378 if (!sh_dangerous_add_ref)
5379 init_safe_handle ();
5381 mono_mb_emit_ldarg (mb, argnum);
5382 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
5383 mono_mb_emit_exception (mb, "ArgumentNullException", NULL);
5385 mono_mb_patch_branch (mb, pos);
5388 * My tests in show that ref SafeHandles are not really
5389 * passed as ref objects. Instead a NULL is passed as the
5392 mono_mb_emit_icon (mb, 0);
5393 mono_mb_emit_stloc (mb, conv_arg);
5397 /* Create local to hold the ref parameter to DangerousAddRef */
5398 dar_release_slot = mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
5400 /* set release = false; */
5401 mono_mb_emit_icon (mb, 0);
5402 mono_mb_emit_stloc (mb, dar_release_slot);
5404 /* safehandle.DangerousAddRef (ref release) */
5405 mono_mb_emit_ldarg (mb, argnum);
5406 mono_mb_emit_ldloc_addr (mb, dar_release_slot);
5407 mono_mb_emit_managed_call (mb, sh_dangerous_add_ref, NULL);
5409 /* Pull the handle field from SafeHandle */
5410 mono_mb_emit_ldarg (mb, argnum);
5411 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoSafeHandle, handle));
5412 mono_mb_emit_byte (mb, CEE_LDIND_I);
5413 mono_mb_emit_stloc (mb, conv_arg);
5418 case MARSHAL_ACTION_PUSH:
5420 mono_mb_emit_ldloc_addr (mb, conv_arg);
5422 mono_mb_emit_ldloc (mb, conv_arg);
5425 case MARSHAL_ACTION_CONV_OUT: {
5426 /* The slot for the boolean is the next temporary created after conv_arg, see the CONV_IN code */
5427 int dar_release_slot = conv_arg + 1;
5430 if (!sh_dangerous_release)
5431 init_safe_handle ();
5437 * My tests indicate that ref SafeHandles parameters are not actually
5438 * passed by ref, but instead a new Handle is created regardless of
5439 * whether a change happens in the unmanaged side.
5441 * Also, the Handle is created before calling into unmanaged code,
5442 * but we do not support that mechanism (getting to the original
5443 * handle) and it makes no difference where we create this
5445 ctor = mono_class_get_method_from_name (t->data.klass, ".ctor", 0);
5447 mono_mb_emit_exception (mb, "MissingMethodException", "paramterless constructor required");
5450 /* refval = new SafeHandleDerived ()*/
5451 mono_mb_emit_ldarg (mb, argnum);
5452 mono_mb_emit_op (mb, CEE_NEWOBJ, ctor);
5453 mono_mb_emit_byte (mb, CEE_STIND_REF);
5455 /* refval.handle = returned_handle */
5456 mono_mb_emit_ldarg (mb, argnum);
5457 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5458 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoSafeHandle, handle));
5459 mono_mb_emit_ldloc (mb, conv_arg);
5460 mono_mb_emit_byte (mb, CEE_STIND_I);
5462 mono_mb_emit_ldloc (mb, dar_release_slot);
5463 label_next = mono_mb_emit_branch (mb, CEE_BRFALSE);
5464 mono_mb_emit_ldarg (mb, argnum);
5465 mono_mb_emit_managed_call (mb, sh_dangerous_release, NULL);
5466 mono_mb_patch_branch (mb, label_next);
5471 case MARSHAL_ACTION_CONV_RESULT: {
5472 MonoMethod *ctor = NULL;
5473 int intptr_handle_slot;
5475 if (mono_class_is_abstract (t->data.klass)) {
5476 mono_mb_emit_byte (mb, CEE_POP);
5477 mono_mb_emit_exception_marshal_directive (mb, g_strdup ("Returned SafeHandles should not be abstract"));
5481 ctor = mono_class_get_method_from_name (t->data.klass, ".ctor", 0);
5483 mono_mb_emit_byte (mb, CEE_POP);
5484 mono_mb_emit_exception (mb, "MissingMethodException", "paramterless constructor required");
5487 /* Store the IntPtr results into a local */
5488 intptr_handle_slot = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5489 mono_mb_emit_stloc (mb, intptr_handle_slot);
5491 /* Create return value */
5492 mono_mb_emit_op (mb, CEE_NEWOBJ, ctor);
5493 mono_mb_emit_stloc (mb, 3);
5495 /* Set the return.handle to the value, am using ldflda, not sure if thats a good idea */
5496 mono_mb_emit_ldloc (mb, 3);
5497 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoSafeHandle, handle));
5498 mono_mb_emit_ldloc (mb, intptr_handle_slot);
5499 mono_mb_emit_byte (mb, CEE_STIND_I);
5503 case MARSHAL_ACTION_MANAGED_CONV_IN:
5504 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_IN\n");
5507 case MARSHAL_ACTION_MANAGED_CONV_OUT:
5508 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_OUT\n");
5511 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
5512 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_RESULT\n");
5515 printf ("Unhandled case for MarshalAction: %d\n", action);
5523 emit_marshal_handleref (EmitMarshalContext *m, int argnum, MonoType *t,
5524 MonoMarshalSpec *spec, int conv_arg,
5525 MonoType **conv_arg_type, MarshalAction action)
5528 if (action == MARSHAL_ACTION_CONV_IN)
5529 *conv_arg_type = &mono_defaults.int_class->byval_arg;
5531 MonoMethodBuilder *mb = m->mb;
5534 case MARSHAL_ACTION_CONV_IN: {
5535 MonoType *intptr_type;
5537 intptr_type = &mono_defaults.int_class->byval_arg;
5538 conv_arg = mono_mb_add_local (mb, intptr_type);
5539 *conv_arg_type = intptr_type;
5542 char *msg = g_strdup ("HandleRefs can not be returned from unmanaged code (or passed by ref)");
5543 mono_mb_emit_exception_marshal_directive (mb, msg);
5546 mono_mb_emit_ldarg_addr (mb, argnum);
5547 mono_mb_emit_icon (mb, MONO_STRUCT_OFFSET (MonoHandleRef, handle));
5548 mono_mb_emit_byte (mb, CEE_ADD);
5549 mono_mb_emit_byte (mb, CEE_LDIND_I);
5550 mono_mb_emit_stloc (mb, conv_arg);
5554 case MARSHAL_ACTION_PUSH:
5555 mono_mb_emit_ldloc (mb, conv_arg);
5558 case MARSHAL_ACTION_CONV_OUT: {
5559 /* no resource release required */
5563 case MARSHAL_ACTION_CONV_RESULT: {
5564 char *msg = g_strdup ("HandleRefs can not be returned from unmanaged code (or passed by ref)");
5565 mono_mb_emit_exception_marshal_directive (mb, msg);
5569 case MARSHAL_ACTION_MANAGED_CONV_IN:
5570 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_IN\n");
5573 case MARSHAL_ACTION_MANAGED_CONV_OUT:
5574 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_OUT\n");
5577 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
5578 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_RESULT\n");
5581 fprintf (stderr, "Unhandled case for MarshalAction: %d\n", action);
5589 emit_marshal_object (EmitMarshalContext *m, int argnum, MonoType *t,
5590 MonoMarshalSpec *spec,
5591 int conv_arg, MonoType **conv_arg_type,
5592 MarshalAction action)
5595 if (action == MARSHAL_ACTION_CONV_IN)
5596 *conv_arg_type = &mono_defaults.int_class->byval_arg;
5598 MonoMethodBuilder *mb = m->mb;
5599 MonoClass *klass = mono_class_from_mono_type (t);
5603 case MARSHAL_ACTION_CONV_IN:
5604 *conv_arg_type = &mono_defaults.int_class->byval_arg;
5605 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5607 m->orig_conv_args [argnum] = 0;
5609 if (mono_class_from_mono_type (t) == mono_defaults.object_class) {
5610 char *msg = g_strdup_printf ("Marshalling of type object is not implemented");
5611 mono_mb_emit_exception_marshal_directive (mb, msg);
5615 if (klass->delegate) {
5617 if (!(t->attrs & PARAM_ATTRIBUTE_OUT)) {
5618 char *msg = g_strdup_printf ("Byref marshalling of delegates is not implemented.");
5619 mono_mb_emit_exception_marshal_directive (mb, msg);
5621 mono_mb_emit_byte (mb, CEE_LDNULL);
5622 mono_mb_emit_stloc (mb, conv_arg);
5624 mono_mb_emit_ldarg (mb, argnum);
5625 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_DEL_FTN, NULL));
5626 mono_mb_emit_stloc (mb, conv_arg);
5628 } else if (klass == mono_defaults.stringbuilder_class) {
5629 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
5630 MonoMarshalConv conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
5634 if (!(t->attrs & PARAM_ATTRIBUTE_OUT)) {
5635 char *msg = g_strdup_printf ("Byref marshalling of stringbuilders is not implemented.");
5636 mono_mb_emit_exception_marshal_directive (mb, msg);
5642 if (t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && (t->attrs & PARAM_ATTRIBUTE_OUT))
5645 if (conv == MONO_MARSHAL_CONV_INVALID) {
5646 char *msg = g_strdup_printf ("stringbuilder marshalling conversion %d not implemented", encoding);
5647 mono_mb_emit_exception_marshal_directive (mb, msg);
5651 mono_mb_emit_ldarg (mb, argnum);
5653 mono_mb_emit_byte (mb, CEE_LDIND_I);
5655 mono_mb_emit_icall (mb, conv_to_icall (conv, NULL));
5656 mono_mb_emit_stloc (mb, conv_arg);
5657 } else if (klass->blittable) {
5658 mono_mb_emit_byte (mb, CEE_LDNULL);
5659 mono_mb_emit_stloc (mb, conv_arg);
5661 mono_mb_emit_ldarg (mb, argnum);
5662 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
5664 mono_mb_emit_ldarg (mb, argnum);
5665 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
5666 mono_mb_emit_stloc (mb, conv_arg);
5668 mono_mb_patch_branch (mb, pos);
5671 mono_mb_emit_byte (mb, CEE_LDNULL);
5672 mono_mb_emit_stloc (mb, conv_arg);
5675 /* we dont need any conversions for out parameters */
5676 if (t->attrs & PARAM_ATTRIBUTE_OUT)
5679 mono_mb_emit_ldarg (mb, argnum);
5680 mono_mb_emit_byte (mb, CEE_LDIND_I);
5683 mono_mb_emit_ldarg (mb, argnum);
5684 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5685 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
5688 /* store the address of the source into local variable 0 */
5689 mono_mb_emit_stloc (mb, 0);
5690 mono_mb_emit_ldloc (mb, 0);
5691 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
5693 /* allocate space for the native struct and store the address */
5694 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
5695 mono_mb_emit_byte (mb, CEE_PREFIX1);
5696 mono_mb_emit_byte (mb, CEE_LOCALLOC);
5697 mono_mb_emit_stloc (mb, conv_arg);
5700 /* Need to store the original buffer so we can free it later */
5701 m->orig_conv_args [argnum] = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5702 mono_mb_emit_ldloc (mb, conv_arg);
5703 mono_mb_emit_stloc (mb, m->orig_conv_args [argnum]);
5706 /* set the src_ptr */
5707 mono_mb_emit_ldloc (mb, 0);
5708 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
5709 mono_mb_emit_stloc (mb, 0);
5712 mono_mb_emit_ldloc (mb, conv_arg);
5713 mono_mb_emit_stloc (mb, 1);
5715 /* emit valuetype conversion code */
5716 emit_struct_conv (mb, klass, FALSE);
5718 mono_mb_patch_branch (mb, pos);
5722 case MARSHAL_ACTION_CONV_OUT:
5723 if (klass == mono_defaults.stringbuilder_class) {
5725 MonoMarshalNative encoding;
5726 MonoMarshalConv conv;
5728 encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
5729 conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free);
5731 g_assert (encoding != -1);
5734 //g_assert (!(t->attrs & PARAM_ATTRIBUTE_OUT));
5738 mono_mb_emit_ldarg (mb, argnum);
5739 mono_mb_emit_ldloc (mb, conv_arg);
5742 case MONO_NATIVE_LPWSTR:
5743 mono_mb_emit_icall (mb, mono_string_utf16_to_builder2);
5745 case MONO_NATIVE_LPSTR:
5746 mono_mb_emit_icall (mb, mono_string_utf8_to_builder2);
5748 case MONO_NATIVE_UTF8STR:
5749 mono_mb_emit_icall (mb, mono_string_utf8_to_builder2);
5752 g_assert_not_reached ();
5755 mono_mb_emit_byte (mb, CEE_STIND_REF);
5757 mono_mb_emit_ldarg (mb, argnum);
5758 mono_mb_emit_ldloc (mb, conv_arg);
5760 mono_mb_emit_icall (mb, conv_to_icall (conv, NULL));
5764 mono_mb_emit_ldloc (mb, conv_arg);
5765 mono_mb_emit_icall (mb, mono_marshal_free);
5770 if (klass->delegate) {
5772 mono_mb_emit_ldarg (mb, argnum);
5773 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5774 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
5775 mono_mb_emit_ldloc (mb, conv_arg);
5776 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_FTN_DEL, NULL));
5777 mono_mb_emit_byte (mb, CEE_STIND_REF);
5782 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT)) {
5783 /* allocate a new object */
5784 mono_mb_emit_ldarg (mb, argnum);
5785 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5786 mono_mb_emit_op (mb, CEE_MONO_NEWOBJ, klass);
5787 mono_mb_emit_byte (mb, CEE_STIND_REF);
5790 /* dst = *argument */
5791 mono_mb_emit_ldarg (mb, argnum);
5794 mono_mb_emit_byte (mb, CEE_LDIND_I);
5796 mono_mb_emit_stloc (mb, 1);
5798 mono_mb_emit_ldloc (mb, 1);
5799 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
5801 if (t->byref || (t->attrs & PARAM_ATTRIBUTE_OUT)) {
5802 mono_mb_emit_ldloc (mb, 1);
5803 mono_mb_emit_icon (mb, sizeof (MonoObject));
5804 mono_mb_emit_byte (mb, CEE_ADD);
5805 mono_mb_emit_stloc (mb, 1);
5807 /* src = tmp_locals [i] */
5808 mono_mb_emit_ldloc (mb, conv_arg);
5809 mono_mb_emit_stloc (mb, 0);
5811 /* emit valuetype conversion code */
5812 emit_struct_conv (mb, klass, TRUE);
5814 /* Free the structure returned by the native code */
5815 emit_struct_free (mb, klass, conv_arg);
5817 if (m->orig_conv_args [argnum]) {
5819 * If the native function changed the pointer, then free
5820 * the original structure plus the new pointer.
5822 mono_mb_emit_ldloc (mb, m->orig_conv_args [argnum]);
5823 mono_mb_emit_ldloc (mb, conv_arg);
5824 pos2 = mono_mb_emit_branch (mb, CEE_BEQ);
5826 if (!(t->attrs & PARAM_ATTRIBUTE_OUT)) {
5827 g_assert (m->orig_conv_args [argnum]);
5829 emit_struct_free (mb, klass, m->orig_conv_args [argnum]);
5832 mono_mb_emit_ldloc (mb, conv_arg);
5833 mono_mb_emit_icall (mb, mono_marshal_free);
5835 mono_mb_patch_branch (mb, pos2);
5839 /* Free the original structure passed to native code */
5840 emit_struct_free (mb, klass, conv_arg);
5842 mono_mb_patch_branch (mb, pos);
5845 case MARSHAL_ACTION_PUSH:
5847 mono_mb_emit_ldloc_addr (mb, conv_arg);
5849 mono_mb_emit_ldloc (mb, conv_arg);
5852 case MARSHAL_ACTION_CONV_RESULT:
5853 if (klass->delegate) {
5854 g_assert (!t->byref);
5855 mono_mb_emit_stloc (mb, 0);
5856 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5857 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
5858 mono_mb_emit_ldloc (mb, 0);
5859 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_FTN_DEL, NULL));
5860 mono_mb_emit_stloc (mb, 3);
5861 } else if (klass == mono_defaults.stringbuilder_class){
5865 mono_mb_emit_stloc (mb, 0);
5867 /* Make a copy since emit_conv modifies local 0 */
5868 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5869 mono_mb_emit_ldloc (mb, 0);
5870 mono_mb_emit_stloc (mb, loc);
5872 mono_mb_emit_byte (mb, CEE_LDNULL);
5873 mono_mb_emit_stloc (mb, 3);
5875 mono_mb_emit_ldloc (mb, 0);
5876 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
5878 /* allocate result object */
5880 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5881 mono_mb_emit_op (mb, CEE_MONO_NEWOBJ, klass);
5882 mono_mb_emit_stloc (mb, 3);
5886 mono_mb_emit_ldloc (mb, 3);
5887 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
5888 mono_mb_emit_stloc (mb, 1);
5890 /* emit conversion code */
5891 emit_struct_conv (mb, klass, TRUE);
5893 emit_struct_free (mb, klass, loc);
5895 /* Free the pointer allocated by unmanaged code */
5896 mono_mb_emit_ldloc (mb, loc);
5897 mono_mb_emit_icall (mb, mono_marshal_free);
5898 mono_mb_patch_branch (mb, pos);
5902 case MARSHAL_ACTION_MANAGED_CONV_IN:
5903 conv_arg = mono_mb_add_local (mb, &klass->byval_arg);
5905 if (klass->delegate) {
5906 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5907 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
5908 mono_mb_emit_ldarg (mb, argnum);
5910 mono_mb_emit_byte (mb, CEE_LDIND_I);
5911 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_FTN_DEL, NULL));
5912 mono_mb_emit_stloc (mb, conv_arg);
5916 if (klass == mono_defaults.stringbuilder_class) {
5917 MonoMarshalNative encoding;
5919 encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
5922 g_assert (encoding == MONO_NATIVE_LPSTR || encoding == MONO_NATIVE_UTF8STR);
5924 g_assert (!t->byref);
5925 g_assert (encoding != -1);
5927 mono_mb_emit_ldarg (mb, argnum);
5928 mono_mb_emit_icall (mb, mono_string_utf8_to_builder2);
5929 mono_mb_emit_stloc (mb, conv_arg);
5933 /* The class can not have an automatic layout */
5934 if (mono_class_is_auto_layout (klass)) {
5935 mono_mb_emit_auto_layout_exception (mb, klass);
5939 if (t->attrs & PARAM_ATTRIBUTE_OUT) {
5940 mono_mb_emit_byte (mb, CEE_LDNULL);
5941 mono_mb_emit_stloc (mb, conv_arg);
5946 mono_mb_emit_ldarg (mb, argnum);
5950 /* Check for NULL and raise an exception */
5951 pos2 = mono_mb_emit_branch (mb, CEE_BRTRUE);
5953 mono_mb_emit_exception (mb, "ArgumentNullException", NULL);
5955 mono_mb_patch_branch (mb, pos2);
5956 mono_mb_emit_ldarg (mb, argnum);
5957 mono_mb_emit_byte (mb, CEE_LDIND_I);
5960 mono_mb_emit_stloc (mb, 0);
5962 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
5963 mono_mb_emit_stloc (mb, conv_arg);
5965 mono_mb_emit_ldloc (mb, 0);
5966 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
5968 /* Create and set dst */
5969 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5970 mono_mb_emit_op (mb, CEE_MONO_NEWOBJ, klass);
5971 mono_mb_emit_stloc (mb, conv_arg);
5972 mono_mb_emit_ldloc (mb, conv_arg);
5973 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
5974 mono_mb_emit_stloc (mb, 1);
5976 /* emit valuetype conversion code */
5977 emit_struct_conv (mb, klass, TRUE);
5979 mono_mb_patch_branch (mb, pos);
5982 case MARSHAL_ACTION_MANAGED_CONV_OUT:
5983 if (klass->delegate) {
5986 mono_mb_emit_ldarg (mb, argnum);
5987 mono_mb_emit_ldloc (mb, conv_arg);
5988 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_DEL_FTN, &stind_op));
5989 mono_mb_emit_byte (mb, stind_op);
5995 /* Check for null */
5996 mono_mb_emit_ldloc (mb, conv_arg);
5997 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
5998 mono_mb_emit_ldarg (mb, argnum);
5999 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
6000 mono_mb_emit_byte (mb, CEE_STIND_REF);
6001 pos2 = mono_mb_emit_branch (mb, CEE_BR);
6003 mono_mb_patch_branch (mb, pos);
6006 mono_mb_emit_ldloc (mb, conv_arg);
6007 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6008 mono_mb_emit_stloc (mb, 0);
6010 /* Allocate and set dest */
6011 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
6012 mono_mb_emit_byte (mb, CEE_CONV_I);
6013 mono_mb_emit_icall (mb, ves_icall_marshal_alloc);
6014 mono_mb_emit_stloc (mb, 1);
6016 /* Update argument pointer */
6017 mono_mb_emit_ldarg (mb, argnum);
6018 mono_mb_emit_ldloc (mb, 1);
6019 mono_mb_emit_byte (mb, CEE_STIND_I);
6021 /* emit valuetype conversion code */
6022 emit_struct_conv (mb, klass, FALSE);
6024 mono_mb_patch_branch (mb, pos2);
6025 } else if (klass == mono_defaults.stringbuilder_class) {
6026 // FIXME: What to do here ?
6028 /* byval [Out] marshalling */
6030 /* FIXME: Handle null */
6033 mono_mb_emit_ldloc (mb, conv_arg);
6034 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6035 mono_mb_emit_stloc (mb, 0);
6038 mono_mb_emit_ldarg (mb, argnum);
6039 mono_mb_emit_stloc (mb, 1);
6041 /* emit valuetype conversion code */
6042 emit_struct_conv (mb, klass, FALSE);
6046 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
6047 if (klass->delegate) {
6048 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_DEL_FTN, NULL));
6049 mono_mb_emit_stloc (mb, 3);
6053 /* The class can not have an automatic layout */
6054 if (mono_class_is_auto_layout (klass)) {
6055 mono_mb_emit_auto_layout_exception (mb, klass);
6059 mono_mb_emit_stloc (mb, 0);
6060 /* Check for null */
6061 mono_mb_emit_ldloc (mb, 0);
6062 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
6063 mono_mb_emit_byte (mb, CEE_LDNULL);
6064 mono_mb_emit_stloc (mb, 3);
6065 pos2 = mono_mb_emit_branch (mb, CEE_BR);
6067 mono_mb_patch_branch (mb, pos);
6070 mono_mb_emit_ldloc (mb, 0);
6071 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6072 mono_mb_emit_stloc (mb, 0);
6074 /* Allocate and set dest */
6075 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
6076 mono_mb_emit_byte (mb, CEE_CONV_I);
6077 mono_mb_emit_icall (mb, ves_icall_marshal_alloc);
6078 mono_mb_emit_byte (mb, CEE_DUP);
6079 mono_mb_emit_stloc (mb, 1);
6080 mono_mb_emit_stloc (mb, 3);
6082 emit_struct_conv (mb, klass, FALSE);
6084 mono_mb_patch_branch (mb, pos2);
6088 g_assert_not_reached ();
6099 emit_marshal_variant (EmitMarshalContext *m, int argnum, MonoType *t,
6100 MonoMarshalSpec *spec,
6101 int conv_arg, MonoType **conv_arg_type,
6102 MarshalAction action)
6104 MonoMethodBuilder *mb = m->mb;
6105 static MonoMethod *get_object_for_native_variant = NULL;
6106 static MonoMethod *get_native_variant_for_object = NULL;
6108 if (!get_object_for_native_variant)
6109 get_object_for_native_variant = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetObjectForNativeVariant", 1);
6110 g_assert (get_object_for_native_variant);
6112 if (!get_native_variant_for_object)
6113 get_native_variant_for_object = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetNativeVariantForObject", 2);
6114 g_assert (get_native_variant_for_object);
6117 case MARSHAL_ACTION_CONV_IN: {
6118 conv_arg = mono_mb_add_local (mb, &mono_class_get_variant_class ()->byval_arg);
6121 *conv_arg_type = &mono_class_get_variant_class ()->this_arg;
6123 *conv_arg_type = &mono_class_get_variant_class ()->byval_arg;
6125 if (t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && t->attrs & PARAM_ATTRIBUTE_OUT)
6128 mono_mb_emit_ldarg (mb, argnum);
6130 mono_mb_emit_byte(mb, CEE_LDIND_REF);
6131 mono_mb_emit_ldloc_addr (mb, conv_arg);
6132 mono_mb_emit_managed_call (mb, get_native_variant_for_object, NULL);
6136 case MARSHAL_ACTION_CONV_OUT: {
6137 static MonoMethod *variant_clear = NULL;
6140 variant_clear = mono_class_get_method_from_name (mono_class_get_variant_class (), "Clear", 0);
6141 g_assert (variant_clear);
6144 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT || !(t->attrs & PARAM_ATTRIBUTE_IN))) {
6145 mono_mb_emit_ldarg (mb, argnum);
6146 mono_mb_emit_ldloc_addr (mb, conv_arg);
6147 mono_mb_emit_managed_call (mb, get_object_for_native_variant, NULL);
6148 mono_mb_emit_byte (mb, CEE_STIND_REF);
6151 mono_mb_emit_ldloc_addr (mb, conv_arg);
6152 mono_mb_emit_managed_call (mb, variant_clear, NULL);
6156 case MARSHAL_ACTION_PUSH:
6158 mono_mb_emit_ldloc_addr (mb, conv_arg);
6160 mono_mb_emit_ldloc (mb, conv_arg);
6163 case MARSHAL_ACTION_CONV_RESULT: {
6164 char *msg = g_strdup ("Marshalling of VARIANT not supported as a return type.");
6165 mono_mb_emit_exception_marshal_directive (mb, msg);
6169 case MARSHAL_ACTION_MANAGED_CONV_IN: {
6170 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
6173 *conv_arg_type = &mono_class_get_variant_class ()->this_arg;
6175 *conv_arg_type = &mono_class_get_variant_class ()->byval_arg;
6177 if (t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && t->attrs & PARAM_ATTRIBUTE_OUT)
6181 mono_mb_emit_ldarg (mb, argnum);
6183 mono_mb_emit_ldarg_addr (mb, argnum);
6184 mono_mb_emit_managed_call (mb, get_object_for_native_variant, NULL);
6185 mono_mb_emit_stloc (mb, conv_arg);
6189 case MARSHAL_ACTION_MANAGED_CONV_OUT: {
6190 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT || !(t->attrs & PARAM_ATTRIBUTE_IN))) {
6191 mono_mb_emit_ldloc (mb, conv_arg);
6192 mono_mb_emit_ldarg (mb, argnum);
6193 mono_mb_emit_managed_call (mb, get_native_variant_for_object, NULL);
6198 case MARSHAL_ACTION_MANAGED_CONV_RESULT: {
6199 char *msg = g_strdup ("Marshalling of VARIANT not supported as a return type.");
6200 mono_mb_emit_exception_marshal_directive (mb, msg);
6205 g_assert_not_reached ();
6211 #endif /* DISABLE_COM */
6212 #endif /* DISABLE_JIT */
6215 mono_pinvoke_is_unicode (MonoMethodPInvoke *piinfo)
6217 switch (piinfo->piflags & PINVOKE_ATTRIBUTE_CHAR_SET_MASK) {
6218 case PINVOKE_ATTRIBUTE_CHAR_SET_ANSI:
6220 case PINVOKE_ATTRIBUTE_CHAR_SET_UNICODE:
6222 case PINVOKE_ATTRIBUTE_CHAR_SET_AUTO:
6234 emit_marshal_array (EmitMarshalContext *m, int argnum, MonoType *t,
6235 MonoMarshalSpec *spec,
6236 int conv_arg, MonoType **conv_arg_type,
6237 MarshalAction action)
6241 case MARSHAL_ACTION_CONV_IN:
6242 *conv_arg_type = &mono_defaults.object_class->byval_arg;
6244 case MARSHAL_ACTION_MANAGED_CONV_IN:
6245 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6249 MonoMethodBuilder *mb = m->mb;
6250 MonoClass *klass = mono_class_from_mono_type (t);
6251 gboolean need_convert, need_free;
6252 MonoMarshalNative encoding;
6254 encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
6257 case MARSHAL_ACTION_CONV_IN:
6258 *conv_arg_type = &mono_defaults.object_class->byval_arg;
6259 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
6261 if (klass->element_class->blittable) {
6262 mono_mb_emit_ldarg (mb, argnum);
6264 mono_mb_emit_byte (mb, CEE_LDIND_I);
6265 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_ARRAY_LPARRAY, NULL));
6266 mono_mb_emit_stloc (mb, conv_arg);
6269 guint32 label1, label2, label3;
6270 int index_var, src_var, dest_ptr, esize;
6271 MonoMarshalConv conv;
6272 gboolean is_string = FALSE;
6274 dest_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6276 eklass = klass->element_class;
6278 if (eklass == mono_defaults.string_class) {
6280 conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
6282 else if (eklass == mono_defaults.stringbuilder_class) {
6284 conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
6287 conv = MONO_MARSHAL_CONV_INVALID;
6289 if (is_string && conv == MONO_MARSHAL_CONV_INVALID) {
6290 char *msg = g_strdup_printf ("string/stringbuilder marshalling conversion %d not implemented", encoding);
6291 mono_mb_emit_exception_marshal_directive (mb, msg);
6295 src_var = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
6296 mono_mb_emit_ldarg (mb, argnum);
6298 mono_mb_emit_byte (mb, CEE_LDIND_I);
6299 mono_mb_emit_stloc (mb, src_var);
6302 mono_mb_emit_ldloc (mb, src_var);
6303 mono_mb_emit_stloc (mb, conv_arg);
6304 mono_mb_emit_ldloc (mb, src_var);
6305 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6308 esize = sizeof (gpointer);
6309 else if (eklass == mono_defaults.char_class) /*can't call mono_marshal_type_size since it causes all sorts of asserts*/
6310 esize = mono_pinvoke_is_unicode (m->piinfo) ? 2 : 1;
6312 esize = mono_class_native_size (eklass, NULL);
6314 /* allocate space for the native struct and store the address */
6315 mono_mb_emit_icon (mb, esize);
6316 mono_mb_emit_ldloc (mb, src_var);
6317 mono_mb_emit_byte (mb, CEE_LDLEN);
6319 if (eklass == mono_defaults.string_class) {
6320 /* Make the array bigger for the terminating null */
6321 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
6322 mono_mb_emit_byte (mb, CEE_ADD);
6324 mono_mb_emit_byte (mb, CEE_MUL);
6325 mono_mb_emit_byte (mb, CEE_PREFIX1);
6326 mono_mb_emit_byte (mb, CEE_LOCALLOC);
6327 mono_mb_emit_stloc (mb, conv_arg);
6329 mono_mb_emit_ldloc (mb, conv_arg);
6330 mono_mb_emit_stloc (mb, dest_ptr);
6332 /* Emit marshalling loop */
6333 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6334 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
6335 mono_mb_emit_stloc (mb, index_var);
6336 label2 = mono_mb_get_label (mb);
6337 mono_mb_emit_ldloc (mb, index_var);
6338 mono_mb_emit_ldloc (mb, src_var);
6339 mono_mb_emit_byte (mb, CEE_LDLEN);
6340 label3 = mono_mb_emit_branch (mb, CEE_BGE);
6342 /* Emit marshalling code */
6346 mono_mb_emit_ldloc (mb, dest_ptr);
6347 mono_mb_emit_ldloc (mb, src_var);
6348 mono_mb_emit_ldloc (mb, index_var);
6349 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
6350 mono_mb_emit_icall (mb, conv_to_icall (conv, &stind_op));
6351 mono_mb_emit_byte (mb, stind_op);
6353 /* set the src_ptr */
6354 mono_mb_emit_ldloc (mb, src_var);
6355 mono_mb_emit_ldloc (mb, index_var);
6356 mono_mb_emit_op (mb, CEE_LDELEMA, eklass);
6357 mono_mb_emit_stloc (mb, 0);
6360 mono_mb_emit_ldloc (mb, dest_ptr);
6361 mono_mb_emit_stloc (mb, 1);
6363 /* emit valuetype conversion code */
6364 emit_struct_conv_full (mb, eklass, FALSE, 0, eklass == mono_defaults.char_class ? encoding : (MonoMarshalNative)-1);
6367 mono_mb_emit_add_to_local (mb, index_var, 1);
6368 mono_mb_emit_add_to_local (mb, dest_ptr, esize);
6370 mono_mb_emit_branch_label (mb, CEE_BR, label2);
6372 mono_mb_patch_branch (mb, label3);
6374 if (eklass == mono_defaults.string_class) {
6375 /* Null terminate */
6376 mono_mb_emit_ldloc (mb, dest_ptr);
6377 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
6378 mono_mb_emit_byte (mb, CEE_STIND_REF);
6381 mono_mb_patch_branch (mb, label1);
6386 case MARSHAL_ACTION_CONV_OUT:
6387 /* Unicode character arrays are implicitly marshalled as [Out] under MS.NET */
6388 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);
6389 need_free = mono_marshal_need_free (&klass->element_class->byval_arg,
6392 if ((t->attrs & PARAM_ATTRIBUTE_OUT) && spec && spec->native == MONO_NATIVE_LPARRAY && spec->data.array_data.param_num != -1) {
6393 int param_num = spec->data.array_data.param_num;
6394 MonoType *param_type;
6396 param_type = m->sig->params [param_num];
6398 if (param_type->byref && param_type->type != MONO_TYPE_I4) {
6399 char *msg = g_strdup ("Not implemented.");
6400 mono_mb_emit_exception_marshal_directive (mb, msg);
6405 mono_mb_emit_ldarg (mb, argnum);
6407 /* Create the managed array */
6408 mono_mb_emit_ldarg (mb, param_num);
6409 if (m->sig->params [param_num]->byref)
6410 // FIXME: Support other types
6411 mono_mb_emit_byte (mb, CEE_LDIND_I4);
6412 mono_mb_emit_byte (mb, CEE_CONV_OVF_I);
6413 mono_mb_emit_op (mb, CEE_NEWARR, klass->element_class);
6414 /* Store into argument */
6415 mono_mb_emit_byte (mb, CEE_STIND_REF);
6419 if (need_convert || need_free) {
6420 /* FIXME: Optimize blittable case */
6422 guint32 label1, label2, label3;
6423 int index_var, src_ptr, loc, esize;
6425 eklass = klass->element_class;
6426 if ((eklass == mono_defaults.stringbuilder_class) || (eklass == mono_defaults.string_class))
6427 esize = sizeof (gpointer);
6428 else if (eklass == mono_defaults.char_class)
6429 esize = mono_pinvoke_is_unicode (m->piinfo) ? 2 : 1;
6431 esize = mono_class_native_size (eklass, NULL);
6432 src_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6433 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6436 mono_mb_emit_ldarg (mb, argnum);
6438 mono_mb_emit_byte (mb, CEE_LDIND_I);
6439 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6441 mono_mb_emit_ldloc (mb, conv_arg);
6442 mono_mb_emit_stloc (mb, src_ptr);
6444 /* Emit marshalling loop */
6445 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6446 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
6447 mono_mb_emit_stloc (mb, index_var);
6448 label2 = mono_mb_get_label (mb);
6449 mono_mb_emit_ldloc (mb, index_var);
6450 mono_mb_emit_ldarg (mb, argnum);
6452 mono_mb_emit_byte (mb, CEE_LDIND_REF);
6453 mono_mb_emit_byte (mb, CEE_LDLEN);
6454 label3 = mono_mb_emit_branch (mb, CEE_BGE);
6456 /* Emit marshalling code */
6458 if (eklass == mono_defaults.stringbuilder_class) {
6459 gboolean need_free2;
6460 MonoMarshalConv conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free2);
6462 g_assert (conv != MONO_MARSHAL_CONV_INVALID);
6465 mono_mb_emit_ldarg (mb, argnum);
6467 mono_mb_emit_byte (mb, CEE_LDIND_I);
6468 mono_mb_emit_ldloc (mb, index_var);
6469 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
6472 mono_mb_emit_ldloc (mb, src_ptr);
6473 mono_mb_emit_byte (mb, CEE_LDIND_I);
6475 mono_mb_emit_icall (mb, conv_to_icall (conv, NULL));
6479 mono_mb_emit_ldloc (mb, src_ptr);
6480 mono_mb_emit_byte (mb, CEE_LDIND_I);
6482 mono_mb_emit_icall (mb, mono_marshal_free);
6485 else if (eklass == mono_defaults.string_class) {
6488 mono_mb_emit_ldloc (mb, src_ptr);
6489 mono_mb_emit_byte (mb, CEE_LDIND_I);
6491 mono_mb_emit_icall (mb, mono_marshal_free);
6496 /* set the src_ptr */
6497 mono_mb_emit_ldloc (mb, src_ptr);
6498 mono_mb_emit_stloc (mb, 0);
6501 mono_mb_emit_ldarg (mb, argnum);
6503 mono_mb_emit_byte (mb, CEE_LDIND_REF);
6504 mono_mb_emit_ldloc (mb, index_var);
6505 mono_mb_emit_op (mb, CEE_LDELEMA, eklass);
6506 mono_mb_emit_stloc (mb, 1);
6508 /* emit valuetype conversion code */
6509 emit_struct_conv_full (mb, eklass, TRUE, 0, eklass == mono_defaults.char_class ? encoding : (MonoMarshalNative)-1);
6513 mono_mb_emit_ldloc (mb, src_ptr);
6514 mono_mb_emit_stloc (mb, loc);
6515 mono_mb_emit_ldloc (mb, loc);
6517 emit_struct_free (mb, eklass, loc);
6521 mono_mb_emit_add_to_local (mb, index_var, 1);
6522 mono_mb_emit_add_to_local (mb, src_ptr, esize);
6524 mono_mb_emit_branch_label (mb, CEE_BR, label2);
6526 mono_mb_patch_branch (mb, label1);
6527 mono_mb_patch_branch (mb, label3);
6530 if (klass->element_class->blittable) {
6531 /* free memory allocated (if any) by MONO_MARSHAL_CONV_ARRAY_LPARRAY */
6533 mono_mb_emit_ldarg (mb, argnum);
6535 mono_mb_emit_byte (mb, CEE_LDIND_REF);
6536 mono_mb_emit_ldloc (mb, conv_arg);
6537 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_FREE_LPARRAY, NULL));
6542 case MARSHAL_ACTION_PUSH:
6544 mono_mb_emit_ldloc_addr (mb, conv_arg);
6546 mono_mb_emit_ldloc (mb, conv_arg);
6549 case MARSHAL_ACTION_CONV_RESULT:
6550 /* fixme: we need conversions here */
6551 mono_mb_emit_stloc (mb, 3);
6554 case MARSHAL_ACTION_MANAGED_CONV_IN: {
6556 guint32 label1, label2, label3;
6557 int index_var, src_ptr, esize, param_num, num_elem;
6558 MonoMarshalConv conv;
6559 gboolean is_string = FALSE;
6561 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
6562 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6565 char *msg = g_strdup ("Byref array marshalling to managed code is not implemented.");
6566 mono_mb_emit_exception_marshal_directive (mb, msg);
6570 char *msg = g_strdup ("[MarshalAs] attribute required to marshal arrays to managed code.");
6571 mono_mb_emit_exception_marshal_directive (mb, msg);
6574 if (spec->native != MONO_NATIVE_LPARRAY) {
6575 char *msg = g_strdup ("Non LPArray marshalling of arrays to managed code is not implemented.");
6576 mono_mb_emit_exception_marshal_directive (mb, msg);
6580 /* FIXME: t is from the method which is wrapped, not the delegate type */
6581 /* g_assert (t->attrs & PARAM_ATTRIBUTE_IN); */
6583 param_num = spec->data.array_data.param_num;
6584 num_elem = spec->data.array_data.num_elem;
6585 if (spec->data.array_data.elem_mult == 0)
6586 /* param_num is not specified */
6589 if (param_num == -1) {
6590 if (num_elem <= 0) {
6591 char *msg = g_strdup ("Either SizeConst or SizeParamIndex should be specified when marshalling arrays to managed code.");
6592 mono_mb_emit_exception_marshal_directive (mb, msg);
6597 /* FIXME: Optimize blittable case */
6599 eklass = klass->element_class;
6600 if (eklass == mono_defaults.string_class) {
6602 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
6604 else if (eklass == mono_defaults.stringbuilder_class) {
6606 conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free);
6609 conv = MONO_MARSHAL_CONV_INVALID;
6611 mono_marshal_load_type_info (eklass);
6614 esize = sizeof (gpointer);
6616 esize = mono_class_native_size (eklass, NULL);
6617 src_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6619 mono_mb_emit_byte (mb, CEE_LDNULL);
6620 mono_mb_emit_stloc (mb, conv_arg);
6622 /* Check param index */
6623 if (param_num != -1) {
6624 if (param_num >= m->sig->param_count) {
6625 char *msg = g_strdup ("Array size control parameter index is out of range.");
6626 mono_mb_emit_exception_marshal_directive (mb, msg);
6629 switch (m->sig->params [param_num]->type) {
6642 char *msg = g_strdup ("Array size control parameter must be an integral type.");
6643 mono_mb_emit_exception_marshal_directive (mb, msg);
6650 mono_mb_emit_ldarg (mb, argnum);
6651 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6653 mono_mb_emit_ldarg (mb, argnum);
6654 mono_mb_emit_stloc (mb, src_ptr);
6656 /* Create managed array */
6658 * The LPArray marshalling spec says that sometimes param_num starts
6659 * from 1, sometimes it starts from 0. But MS seems to allways start
6663 if (param_num == -1) {
6664 mono_mb_emit_icon (mb, num_elem);
6666 mono_mb_emit_ldarg (mb, param_num);
6668 mono_mb_emit_icon (mb, num_elem);
6669 mono_mb_emit_byte (mb, CEE_ADD);
6671 mono_mb_emit_byte (mb, CEE_CONV_OVF_I);
6674 mono_mb_emit_op (mb, CEE_NEWARR, eklass);
6675 mono_mb_emit_stloc (mb, conv_arg);
6677 if (eklass->blittable) {
6678 mono_mb_emit_ldloc (mb, conv_arg);
6679 mono_mb_emit_byte (mb, CEE_CONV_I);
6680 mono_mb_emit_icon (mb, MONO_STRUCT_OFFSET (MonoArray, vector));
6681 mono_mb_emit_byte (mb, CEE_ADD);
6682 mono_mb_emit_ldarg (mb, argnum);
6683 mono_mb_emit_ldloc (mb, conv_arg);
6684 mono_mb_emit_byte (mb, CEE_LDLEN);
6685 mono_mb_emit_icon (mb, esize);
6686 mono_mb_emit_byte (mb, CEE_MUL);
6687 mono_mb_emit_byte (mb, CEE_PREFIX1);
6688 mono_mb_emit_byte (mb, CEE_CPBLK);
6689 mono_mb_patch_branch (mb, label1);
6693 /* Emit marshalling loop */
6694 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6695 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
6696 mono_mb_emit_stloc (mb, index_var);
6697 label2 = mono_mb_get_label (mb);
6698 mono_mb_emit_ldloc (mb, index_var);
6699 mono_mb_emit_ldloc (mb, conv_arg);
6700 mono_mb_emit_byte (mb, CEE_LDLEN);
6701 label3 = mono_mb_emit_branch (mb, CEE_BGE);
6703 /* Emit marshalling code */
6705 g_assert (conv != MONO_MARSHAL_CONV_INVALID);
6707 mono_mb_emit_ldloc (mb, conv_arg);
6708 mono_mb_emit_ldloc (mb, index_var);
6710 mono_mb_emit_ldloc (mb, src_ptr);
6711 mono_mb_emit_byte (mb, CEE_LDIND_I);
6713 mono_mb_emit_icall (mb, conv_to_icall (conv, NULL));
6714 mono_mb_emit_byte (mb, CEE_STELEM_REF);
6717 char *msg = g_strdup ("Marshalling of non-string and non-blittable arrays to managed code is not implemented.");
6718 mono_mb_emit_exception_marshal_directive (mb, msg);
6722 mono_mb_emit_add_to_local (mb, index_var, 1);
6723 mono_mb_emit_add_to_local (mb, src_ptr, esize);
6725 mono_mb_emit_branch_label (mb, CEE_BR, label2);
6727 mono_mb_patch_branch (mb, label1);
6728 mono_mb_patch_branch (mb, label3);
6732 case MARSHAL_ACTION_MANAGED_CONV_OUT: {
6734 guint32 label1, label2, label3;
6735 int index_var, dest_ptr, esize, param_num, num_elem;
6736 MonoMarshalConv conv;
6737 gboolean is_string = FALSE;
6740 /* Already handled in CONV_IN */
6743 /* These are already checked in CONV_IN */
6744 g_assert (!t->byref);
6745 g_assert (spec->native == MONO_NATIVE_LPARRAY);
6746 g_assert (t->attrs & PARAM_ATTRIBUTE_OUT);
6748 param_num = spec->data.array_data.param_num;
6749 num_elem = spec->data.array_data.num_elem;
6751 if (spec->data.array_data.elem_mult == 0)
6752 /* param_num is not specified */
6755 if (param_num == -1) {
6756 if (num_elem <= 0) {
6757 g_assert_not_reached ();
6761 /* FIXME: Optimize blittable case */
6763 eklass = klass->element_class;
6764 if (eklass == mono_defaults.string_class) {
6766 conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
6768 else if (eklass == mono_defaults.stringbuilder_class) {
6770 conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
6773 conv = MONO_MARSHAL_CONV_INVALID;
6775 mono_marshal_load_type_info (eklass);
6778 esize = sizeof (gpointer);
6780 esize = mono_class_native_size (eklass, NULL);
6782 dest_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6785 mono_mb_emit_ldloc (mb, conv_arg);
6786 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6788 mono_mb_emit_ldarg (mb, argnum);
6789 mono_mb_emit_stloc (mb, dest_ptr);
6791 if (eklass->blittable) {
6793 mono_mb_emit_ldarg (mb, argnum);
6795 mono_mb_emit_ldloc (mb, conv_arg);
6796 mono_mb_emit_byte (mb, CEE_CONV_I);
6797 mono_mb_emit_icon (mb, MONO_STRUCT_OFFSET (MonoArray, vector));
6798 mono_mb_emit_byte (mb, CEE_ADD);
6800 mono_mb_emit_ldloc (mb, conv_arg);
6801 mono_mb_emit_byte (mb, CEE_LDLEN);
6802 mono_mb_emit_icon (mb, esize);
6803 mono_mb_emit_byte (mb, CEE_MUL);
6804 mono_mb_emit_byte (mb, CEE_PREFIX1);
6805 mono_mb_emit_byte (mb, CEE_CPBLK);
6809 /* Emit marshalling loop */
6810 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6811 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
6812 mono_mb_emit_stloc (mb, index_var);
6813 label2 = mono_mb_get_label (mb);
6814 mono_mb_emit_ldloc (mb, index_var);
6815 mono_mb_emit_ldloc (mb, conv_arg);
6816 mono_mb_emit_byte (mb, CEE_LDLEN);
6817 label3 = mono_mb_emit_branch (mb, CEE_BGE);
6819 /* Emit marshalling code */
6822 g_assert (conv != MONO_MARSHAL_CONV_INVALID);
6825 mono_mb_emit_ldloc (mb, dest_ptr);
6828 mono_mb_emit_ldloc (mb, conv_arg);
6829 mono_mb_emit_ldloc (mb, index_var);
6831 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
6833 mono_mb_emit_icall (mb, conv_to_icall (conv, &stind_op));
6834 mono_mb_emit_byte (mb, stind_op);
6837 char *msg = g_strdup ("Marshalling of non-string and non-blittable arrays to managed code is not implemented.");
6838 mono_mb_emit_exception_marshal_directive (mb, msg);
6842 mono_mb_emit_add_to_local (mb, index_var, 1);
6843 mono_mb_emit_add_to_local (mb, dest_ptr, esize);
6845 mono_mb_emit_branch_label (mb, CEE_BR, label2);
6847 mono_mb_patch_branch (mb, label1);
6848 mono_mb_patch_branch (mb, label3);
6852 case MARSHAL_ACTION_MANAGED_CONV_RESULT: {
6854 guint32 label1, label2, label3;
6855 int index_var, src, dest, esize;
6856 MonoMarshalConv conv = MONO_MARSHAL_CONV_INVALID;
6857 gboolean is_string = FALSE;
6859 g_assert (!t->byref);
6861 eklass = klass->element_class;
6863 mono_marshal_load_type_info (eklass);
6865 if (eklass == mono_defaults.string_class) {
6867 conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
6870 g_assert_not_reached ();
6874 esize = sizeof (gpointer);
6875 else if (eklass == mono_defaults.char_class)
6876 esize = mono_pinvoke_is_unicode (m->piinfo) ? 2 : 1;
6878 esize = mono_class_native_size (eklass, NULL);
6880 src = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
6881 dest = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6883 mono_mb_emit_stloc (mb, src);
6884 mono_mb_emit_ldloc (mb, src);
6885 mono_mb_emit_stloc (mb, 3);
6887 /* Check for null */
6888 mono_mb_emit_ldloc (mb, src);
6889 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6891 /* Allocate native array */
6892 mono_mb_emit_icon (mb, esize);
6893 mono_mb_emit_ldloc (mb, src);
6894 mono_mb_emit_byte (mb, CEE_LDLEN);
6896 if (eklass == mono_defaults.string_class) {
6897 /* Make the array bigger for the terminating null */
6898 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
6899 mono_mb_emit_byte (mb, CEE_ADD);
6901 mono_mb_emit_byte (mb, CEE_MUL);
6902 mono_mb_emit_icall (mb, ves_icall_marshal_alloc);
6903 mono_mb_emit_stloc (mb, dest);
6904 mono_mb_emit_ldloc (mb, dest);
6905 mono_mb_emit_stloc (mb, 3);
6907 /* Emit marshalling loop */
6908 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6909 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
6910 mono_mb_emit_stloc (mb, index_var);
6911 label2 = mono_mb_get_label (mb);
6912 mono_mb_emit_ldloc (mb, index_var);
6913 mono_mb_emit_ldloc (mb, src);
6914 mono_mb_emit_byte (mb, CEE_LDLEN);
6915 label3 = mono_mb_emit_branch (mb, CEE_BGE);
6917 /* Emit marshalling code */
6920 g_assert (conv != MONO_MARSHAL_CONV_INVALID);
6923 mono_mb_emit_ldloc (mb, dest);
6926 mono_mb_emit_ldloc (mb, src);
6927 mono_mb_emit_ldloc (mb, index_var);
6929 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
6931 mono_mb_emit_icall (mb, conv_to_icall (conv, &stind_op));
6932 mono_mb_emit_byte (mb, stind_op);
6935 char *msg = g_strdup ("Marshalling of non-string arrays to managed code is not implemented.");
6936 mono_mb_emit_exception_marshal_directive (mb, msg);
6940 mono_mb_emit_add_to_local (mb, index_var, 1);
6941 mono_mb_emit_add_to_local (mb, dest, esize);
6943 mono_mb_emit_branch_label (mb, CEE_BR, label2);
6945 mono_mb_patch_branch (mb, label3);
6946 mono_mb_patch_branch (mb, label1);
6950 g_assert_not_reached ();
6957 marshal_boolean_conv_in_get_local_type (MonoMarshalSpec *spec, guint8 *ldc_op /*out*/)
6960 return &mono_defaults.int32_class->byval_arg;
6962 switch (spec->native) {
6963 case MONO_NATIVE_I1:
6964 case MONO_NATIVE_U1:
6965 return &mono_defaults.byte_class->byval_arg;
6966 case MONO_NATIVE_VARIANTBOOL:
6967 if (ldc_op) *ldc_op = CEE_LDC_I4_M1;
6968 return &mono_defaults.int16_class->byval_arg;
6969 case MONO_NATIVE_BOOLEAN:
6970 return &mono_defaults.int32_class->byval_arg;
6972 g_warning ("marshalling bool as native type %x is currently not supported", spec->native);
6973 return &mono_defaults.int32_class->byval_arg;
6979 marshal_boolean_managed_conv_in_get_conv_arg_class (MonoMarshalSpec *spec, guint8 *ldop/*out*/)
6981 MonoClass* conv_arg_class = mono_defaults.int32_class;
6983 switch (spec->native) {
6984 case MONO_NATIVE_I1:
6985 case MONO_NATIVE_U1:
6986 conv_arg_class = mono_defaults.byte_class;
6987 if (ldop) *ldop = CEE_LDIND_I1;
6989 case MONO_NATIVE_VARIANTBOOL:
6990 conv_arg_class = mono_defaults.int16_class;
6991 if (ldop) *ldop = CEE_LDIND_I2;
6993 case MONO_NATIVE_BOOLEAN:
6996 g_warning ("marshalling bool as native type %x is currently not supported", spec->native);
6999 return conv_arg_class;
7003 emit_marshal_boolean (EmitMarshalContext *m, int argnum, MonoType *t,
7004 MonoMarshalSpec *spec,
7005 int conv_arg, MonoType **conv_arg_type,
7006 MarshalAction action)
7010 case MARSHAL_ACTION_CONV_IN:
7012 *conv_arg_type = &mono_defaults.int_class->byval_arg;
7014 *conv_arg_type = marshal_boolean_conv_in_get_local_type (spec, NULL);
7017 case MARSHAL_ACTION_MANAGED_CONV_IN: {
7018 MonoClass* conv_arg_class = marshal_boolean_managed_conv_in_get_conv_arg_class (spec, NULL);
7020 *conv_arg_type = &conv_arg_class->this_arg;
7022 *conv_arg_type = &conv_arg_class->byval_arg;
7028 MonoMethodBuilder *mb = m->mb;
7031 case MARSHAL_ACTION_CONV_IN: {
7032 MonoType *local_type;
7034 guint8 ldc_op = CEE_LDC_I4_1;
7036 local_type = marshal_boolean_conv_in_get_local_type (spec, &ldc_op);
7038 *conv_arg_type = &mono_defaults.int_class->byval_arg;
7040 *conv_arg_type = local_type;
7041 conv_arg = mono_mb_add_local (mb, local_type);
7043 mono_mb_emit_ldarg (mb, argnum);
7045 mono_mb_emit_byte (mb, CEE_LDIND_I1);
7046 label_false = mono_mb_emit_branch (mb, CEE_BRFALSE);
7047 mono_mb_emit_byte (mb, ldc_op);
7048 mono_mb_emit_stloc (mb, conv_arg);
7049 mono_mb_patch_branch (mb, label_false);
7054 case MARSHAL_ACTION_CONV_OUT:
7056 int label_false, label_end;
7060 mono_mb_emit_ldarg (mb, argnum);
7061 mono_mb_emit_ldloc (mb, conv_arg);
7063 label_false = mono_mb_emit_branch (mb, CEE_BRFALSE);
7064 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
7066 label_end = mono_mb_emit_branch (mb, CEE_BR);
7067 mono_mb_patch_branch (mb, label_false);
7068 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7069 mono_mb_patch_branch (mb, label_end);
7071 mono_mb_emit_byte (mb, CEE_STIND_I1);
7075 case MARSHAL_ACTION_PUSH:
7077 mono_mb_emit_ldloc_addr (mb, conv_arg);
7079 mono_mb_emit_ldloc (mb, conv_arg);
7081 mono_mb_emit_ldarg (mb, argnum);
7084 case MARSHAL_ACTION_CONV_RESULT:
7085 /* maybe we need to make sure that it fits within 8 bits */
7086 mono_mb_emit_stloc (mb, 3);
7089 case MARSHAL_ACTION_MANAGED_CONV_IN: {
7090 MonoClass* conv_arg_class = mono_defaults.int32_class;
7091 guint8 ldop = CEE_LDIND_I4;
7092 int label_null, label_false;
7094 conv_arg_class = marshal_boolean_managed_conv_in_get_conv_arg_class (spec, &ldop);
7095 conv_arg = mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
7098 *conv_arg_type = &conv_arg_class->this_arg;
7100 *conv_arg_type = &conv_arg_class->byval_arg;
7103 mono_mb_emit_ldarg (mb, argnum);
7107 label_null = mono_mb_emit_branch (mb, CEE_BRFALSE);
7108 mono_mb_emit_ldarg (mb, argnum);
7109 mono_mb_emit_byte (mb, ldop);
7113 label_false = mono_mb_emit_branch (mb, CEE_BRFALSE);
7114 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
7115 mono_mb_emit_stloc (mb, conv_arg);
7116 mono_mb_patch_branch (mb, label_false);
7119 mono_mb_patch_branch (mb, label_null);
7123 case MARSHAL_ACTION_MANAGED_CONV_OUT: {
7124 guint8 stop = CEE_STIND_I4;
7125 guint8 ldc_op = CEE_LDC_I4_1;
7126 int label_null,label_false, label_end;;
7131 switch (spec->native) {
7132 case MONO_NATIVE_I1:
7133 case MONO_NATIVE_U1:
7134 stop = CEE_STIND_I1;
7136 case MONO_NATIVE_VARIANTBOOL:
7137 stop = CEE_STIND_I2;
7138 ldc_op = CEE_LDC_I4_M1;
7146 mono_mb_emit_ldarg (mb, argnum);
7147 label_null = mono_mb_emit_branch (mb, CEE_BRFALSE);
7149 mono_mb_emit_ldarg (mb, argnum);
7150 mono_mb_emit_ldloc (mb, conv_arg);
7152 label_false = mono_mb_emit_branch (mb, CEE_BRFALSE);
7153 mono_mb_emit_byte (mb, ldc_op);
7154 label_end = mono_mb_emit_branch (mb, CEE_BR);
7156 mono_mb_patch_branch (mb, label_false);
7157 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7158 mono_mb_patch_branch (mb, label_end);
7160 mono_mb_emit_byte (mb, stop);
7161 mono_mb_patch_branch (mb, label_null);
7166 g_assert_not_reached ();
7173 emit_marshal_ptr (EmitMarshalContext *m, int argnum, MonoType *t,
7174 MonoMarshalSpec *spec, int conv_arg,
7175 MonoType **conv_arg_type, MarshalAction action)
7178 MonoMethodBuilder *mb = m->mb;
7181 case MARSHAL_ACTION_CONV_IN:
7182 /* MS seems to allow this in some cases, ie. bxc #158 */
7184 if (MONO_TYPE_ISSTRUCT (t->data.type) && !mono_class_from_mono_type (t->data.type)->blittable) {
7185 char *msg = g_strdup_printf ("Can not marshal 'parameter #%d': Pointers can not reference marshaled structures. Use byref instead.", argnum + 1);
7186 mono_mb_emit_exception_marshal_directive (m->mb, msg);
7191 case MARSHAL_ACTION_PUSH:
7192 mono_mb_emit_ldarg (mb, argnum);
7195 case MARSHAL_ACTION_CONV_RESULT:
7196 /* no conversions necessary */
7197 mono_mb_emit_stloc (mb, 3);
7208 emit_marshal_char (EmitMarshalContext *m, int argnum, MonoType *t,
7209 MonoMarshalSpec *spec, int conv_arg,
7210 MonoType **conv_arg_type, MarshalAction action)
7213 MonoMethodBuilder *mb = m->mb;
7216 case MARSHAL_ACTION_PUSH:
7217 /* fixme: dont know how to marshal that. We cant simply
7218 * convert it to a one byte UTF8 character, because an
7219 * unicode character may need more that one byte in UTF8 */
7220 mono_mb_emit_ldarg (mb, argnum);
7223 case MARSHAL_ACTION_CONV_RESULT:
7224 /* fixme: we need conversions here */
7225 mono_mb_emit_stloc (mb, 3);
7236 emit_marshal_scalar (EmitMarshalContext *m, int argnum, MonoType *t,
7237 MonoMarshalSpec *spec, int conv_arg,
7238 MonoType **conv_arg_type, MarshalAction action)
7241 MonoMethodBuilder *mb = m->mb;
7244 case MARSHAL_ACTION_PUSH:
7245 mono_mb_emit_ldarg (mb, argnum);
7248 case MARSHAL_ACTION_CONV_RESULT:
7249 /* no conversions necessary */
7250 mono_mb_emit_stloc (mb, 3);
7261 emit_marshal (EmitMarshalContext *m, int argnum, MonoType *t,
7262 MonoMarshalSpec *spec, int conv_arg,
7263 MonoType **conv_arg_type, MarshalAction action)
7265 /* Ensure that we have marshalling info for this param */
7266 mono_marshal_load_type_info (mono_class_from_mono_type (t));
7268 if (spec && spec->native == MONO_NATIVE_CUSTOM)
7269 return emit_marshal_custom (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7271 if (spec && spec->native == MONO_NATIVE_ASANY)
7272 return emit_marshal_asany (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7275 case MONO_TYPE_VALUETYPE:
7276 if (t->data.klass == mono_defaults.handleref_class)
7277 return emit_marshal_handleref (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7279 return emit_marshal_vtype (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7280 case MONO_TYPE_STRING:
7281 return emit_marshal_string (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7282 case MONO_TYPE_CLASS:
7283 case MONO_TYPE_OBJECT:
7284 #if !defined(DISABLE_COM) && !defined(DISABLE_JIT)
7285 if (spec && spec->native == MONO_NATIVE_STRUCT)
7286 return emit_marshal_variant (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7289 #if !defined(DISABLE_COM)
7290 if (spec && (spec->native == MONO_NATIVE_IUNKNOWN ||
7291 spec->native == MONO_NATIVE_IDISPATCH ||
7292 spec->native == MONO_NATIVE_INTERFACE))
7293 return mono_cominterop_emit_marshal_com_interface (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7294 if (spec && (spec->native == MONO_NATIVE_SAFEARRAY) &&
7295 (spec->data.safearray_data.elem_type == MONO_VARIANT_VARIANT) &&
7296 ((action == MARSHAL_ACTION_CONV_OUT) || (action == MARSHAL_ACTION_CONV_IN) || (action == MARSHAL_ACTION_PUSH)))
7297 return mono_cominterop_emit_marshal_safearray (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7300 if (mono_class_try_get_safehandle_class () != NULL && t->data.klass &&
7301 mono_class_is_subclass_of (t->data.klass, mono_class_try_get_safehandle_class (), FALSE))
7302 return emit_marshal_safehandle (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7304 return emit_marshal_object (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7305 case MONO_TYPE_ARRAY:
7306 case MONO_TYPE_SZARRAY:
7307 return emit_marshal_array (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7308 case MONO_TYPE_BOOLEAN:
7309 return emit_marshal_boolean (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7311 return emit_marshal_ptr (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7312 case MONO_TYPE_CHAR:
7313 return emit_marshal_char (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7326 case MONO_TYPE_FNPTR:
7327 return emit_marshal_scalar (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7328 case MONO_TYPE_GENERICINST:
7329 if (mono_type_generic_inst_is_valuetype (t))
7330 return emit_marshal_vtype (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7332 return emit_marshal_object (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7340 * mono_marshal_emit_native_wrapper:
7341 * @image: the image to use for looking up custom marshallers
7342 * @sig: The signature of the native function
7343 * @piinfo: Marshalling information
7344 * @mspecs: Marshalling information
7345 * @aot: whenever the created method will be compiled by the AOT compiler
7346 * @method: if non-NULL, the pinvoke method to call
7347 * @check_exceptions: Whenever to check for pending exceptions after the native call
7348 * @func_param: the function to call is passed as a boxed IntPtr as the first parameter
7350 * generates IL code for the pinvoke wrapper, the generated code calls @func.
7353 mono_marshal_emit_native_wrapper (MonoImage *image, MonoMethodBuilder *mb, MonoMethodSignature *sig, MonoMethodPInvoke *piinfo, MonoMarshalSpec **mspecs, gpointer func, gboolean aot, gboolean check_exceptions, gboolean func_param)
7355 EmitMarshalContext m;
7356 MonoMethodSignature *csig;
7358 int i, argnum, *tmp_locals;
7359 int type, param_shift = 0;
7360 int coop_gc_stack_dummy, coop_gc_var;
7362 memset (&m, 0, sizeof (m));
7367 /* we copy the signature, so that we can set pinvoke to 0 */
7369 /* The function address is passed as the first argument */
7370 g_assert (!sig->hasthis);
7373 csig = mono_metadata_signature_dup_full (mb->method->klass->image, sig);
7381 /* we allocate local for use with emit_struct_conv() */
7382 /* allocate local 0 (pointer) src_ptr */
7383 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7384 /* allocate local 1 (pointer) dst_ptr */
7385 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7386 /* allocate local 2 (boolean) delete_old */
7387 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
7389 /* delete_old = FALSE */
7390 mono_mb_emit_icon (mb, 0);
7391 mono_mb_emit_stloc (mb, 2);
7393 if (!MONO_TYPE_IS_VOID (sig->ret)) {
7394 /* allocate local 3 to store the return value */
7395 mono_mb_add_local (mb, sig->ret);
7398 if (mono_threads_is_coop_enabled ()) {
7399 /* local 4, dummy local used to get a stack address for suspend funcs */
7400 coop_gc_stack_dummy = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7401 /* local 5, the local to be used when calling the suspend funcs */
7402 coop_gc_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7406 * cookie = mono_threads_enter_gc_safe_region_unbalanced (ref dummy);
7408 * ret = method (...);
7410 * mono_threads_exit_gc_safe_region_unbalanced (cookie, ref dummy);
7417 if (MONO_TYPE_ISSTRUCT (sig->ret))
7418 m.vtaddr_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7420 if (mspecs [0] && mspecs [0]->native == MONO_NATIVE_CUSTOM) {
7421 /* Return type custom marshaling */
7423 * Since we can't determine the return type of the unmanaged function,
7424 * we assume it returns a pointer, and pass that pointer to
7425 * MarshalNativeToManaged.
7427 csig->ret = &mono_defaults.int_class->byval_arg;
7430 /* we first do all conversions */
7431 tmp_locals = (int *)alloca (sizeof (int) * sig->param_count);
7432 m.orig_conv_args = (int *)alloca (sizeof (int) * (sig->param_count + 1));
7434 for (i = 0; i < sig->param_count; i ++) {
7435 tmp_locals [i] = emit_marshal (&m, i + param_shift, sig->params [i], mspecs [i + 1], 0, &csig->params [i], MARSHAL_ACTION_CONV_IN);
7438 // In coop mode need to register blocking state during native call
7439 if (mono_threads_is_coop_enabled ()) {
7440 // Perform an extra, early lookup of the function address, so any exceptions
7441 // potentially resulting from the lookup occur before entering blocking mode.
7442 if (!func_param && !MONO_CLASS_IS_IMPORT (mb->method->klass) && aot) {
7443 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
7444 mono_mb_emit_op (mb, CEE_MONO_ICALL_ADDR, &piinfo->method);
7445 mono_mb_emit_byte (mb, CEE_POP); // Result not needed yet
7448 mono_mb_emit_ldloc_addr (mb, coop_gc_stack_dummy);
7449 mono_mb_emit_icall (mb, mono_threads_enter_gc_safe_region_unbalanced);
7450 mono_mb_emit_stloc (mb, coop_gc_var);
7453 /* push all arguments */
7456 mono_mb_emit_byte (mb, CEE_LDARG_0);
7458 for (i = 0; i < sig->param_count; i++) {
7459 emit_marshal (&m, i + param_shift, sig->params [i], mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_PUSH);
7462 /* call the native method */
7464 mono_mb_emit_byte (mb, CEE_LDARG_0);
7465 mono_mb_emit_op (mb, CEE_UNBOX, mono_defaults.int_class);
7466 mono_mb_emit_byte (mb, CEE_LDIND_I);
7467 mono_mb_emit_calli (mb, csig);
7468 } else if (MONO_CLASS_IS_IMPORT (mb->method->klass)) {
7470 mono_mb_emit_cominterop_call (mb, csig, &piinfo->method);
7472 g_assert_not_reached ();
7476 /* Reuse the ICALL_ADDR opcode for pinvokes too */
7477 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
7478 mono_mb_emit_op (mb, CEE_MONO_ICALL_ADDR, &piinfo->method);
7479 mono_mb_emit_calli (mb, csig);
7481 mono_mb_emit_native_call (mb, csig, func);
7485 /* Set LastError if needed */
7486 if (piinfo->piflags & PINVOKE_ATTRIBUTE_SUPPORTS_LAST_ERROR) {
7489 static MonoMethodSignature *get_last_error_sig = NULL;
7490 if (!get_last_error_sig) {
7491 get_last_error_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
7492 get_last_error_sig->ret = &mono_defaults.int_class->byval_arg;
7493 get_last_error_sig->pinvoke = 1;
7497 * Have to call GetLastError () early and without a wrapper, since various runtime components could
7498 * clobber its value.
7500 mono_mb_emit_native_call (mb, get_last_error_sig, GetLastError);
7501 mono_mb_emit_icall (mb, mono_marshal_set_last_error_windows);
7503 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
7504 mono_mb_emit_byte (mb, CEE_MONO_GET_LAST_ERROR);
7505 mono_mb_emit_icall (mb, mono_marshal_set_last_error_windows);
7508 mono_mb_emit_icall (mb, mono_marshal_set_last_error);
7512 if (MONO_TYPE_ISSTRUCT (sig->ret)) {
7513 MonoClass *klass = mono_class_from_mono_type (sig->ret);
7514 mono_class_init (klass);
7515 if (!(mono_class_is_explicit_layout (klass) || klass->blittable)) {
7516 /* This is used by emit_marshal_vtype (), but it needs to go right before the call */
7517 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
7518 mono_mb_emit_byte (mb, CEE_MONO_VTADDR);
7519 mono_mb_emit_stloc (mb, m.vtaddr_var);
7523 /* Unblock before converting the result, since that can involve calls into the runtime */
7524 if (mono_threads_is_coop_enabled ()) {
7525 mono_mb_emit_ldloc (mb, coop_gc_var);
7526 mono_mb_emit_ldloc_addr (mb, coop_gc_stack_dummy);
7527 mono_mb_emit_icall (mb, mono_threads_exit_gc_safe_region_unbalanced);
7530 /* convert the result */
7531 if (!sig->ret->byref) {
7532 MonoMarshalSpec *spec = mspecs [0];
7533 type = sig->ret->type;
7535 if (spec && spec->native == MONO_NATIVE_CUSTOM) {
7536 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
7540 case MONO_TYPE_VOID:
7542 case MONO_TYPE_VALUETYPE:
7543 klass = sig->ret->data.klass;
7544 if (klass->enumtype) {
7545 type = mono_class_enum_basetype (sig->ret->data.klass)->type;
7548 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
7562 case MONO_TYPE_FNPTR:
7563 case MONO_TYPE_STRING:
7564 case MONO_TYPE_CLASS:
7565 case MONO_TYPE_OBJECT:
7566 case MONO_TYPE_BOOLEAN:
7567 case MONO_TYPE_ARRAY:
7568 case MONO_TYPE_SZARRAY:
7569 case MONO_TYPE_CHAR:
7571 case MONO_TYPE_GENERICINST:
7572 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
7574 case MONO_TYPE_TYPEDBYREF:
7576 g_warning ("return type 0x%02x unknown", sig->ret->type);
7577 g_assert_not_reached ();
7581 mono_mb_emit_stloc (mb, 3);
7585 * Need to call this after converting the result since MONO_VTADDR needs
7586 * to be adjacent to the call instruction.
7588 if (check_exceptions)
7589 emit_thread_interrupt_checkpoint (mb);
7591 /* we need to convert byref arguments back and free string arrays */
7592 for (i = 0; i < sig->param_count; i++) {
7593 MonoType *t = sig->params [i];
7594 MonoMarshalSpec *spec = mspecs [i + 1];
7596 argnum = i + param_shift;
7598 if (spec && ((spec->native == MONO_NATIVE_CUSTOM) || (spec->native == MONO_NATIVE_ASANY))) {
7599 emit_marshal (&m, argnum, t, spec, tmp_locals [i], NULL, MARSHAL_ACTION_CONV_OUT);
7604 case MONO_TYPE_STRING:
7605 case MONO_TYPE_VALUETYPE:
7606 case MONO_TYPE_CLASS:
7607 case MONO_TYPE_OBJECT:
7608 case MONO_TYPE_SZARRAY:
7609 case MONO_TYPE_BOOLEAN:
7610 emit_marshal (&m, argnum, t, spec, tmp_locals [i], NULL, MARSHAL_ACTION_CONV_OUT);
7617 if (!MONO_TYPE_IS_VOID(sig->ret))
7618 mono_mb_emit_ldloc (mb, 3);
7620 mono_mb_emit_byte (mb, CEE_RET);
7622 #endif /* DISABLE_JIT */
7625 * mono_marshal_get_native_wrapper:
7626 * @method: The MonoMethod to wrap.
7627 * @check_exceptions: Whenever to check for pending exceptions
7629 * generates IL code for the pinvoke wrapper (the generated method
7630 * calls the unmanaged code in piinfo->addr)
7633 mono_marshal_get_native_wrapper (MonoMethod *method, gboolean check_exceptions, gboolean aot)
7635 MonoMethodSignature *sig, *csig;
7636 MonoMethodPInvoke *piinfo = (MonoMethodPInvoke *) method;
7637 MonoMethodBuilder *mb;
7638 MonoMarshalSpec **mspecs;
7641 gboolean pinvoke = FALSE;
7644 const char *exc_class = "MissingMethodException";
7645 const char *exc_arg = NULL;
7648 g_assert (method != NULL);
7649 g_assert (mono_method_signature (method)->pinvoke);
7651 GHashTable **cache_ptr;
7654 if (check_exceptions)
7655 cache_ptr = &mono_method_get_wrapper_cache (method)->native_wrapper_aot_check_cache;
7657 cache_ptr = &mono_method_get_wrapper_cache (method)->native_wrapper_aot_cache;
7659 if (check_exceptions)
7660 cache_ptr = &mono_method_get_wrapper_cache (method)->native_wrapper_check_cache;
7662 cache_ptr = &mono_method_get_wrapper_cache (method)->native_wrapper_cache;
7665 cache = get_cache (cache_ptr, mono_aligned_addr_hash, NULL);
7667 if ((res = mono_marshal_find_in_cache (cache, method)))
7670 if (MONO_CLASS_IS_IMPORT (method->klass)) {
7671 /* The COM code is not AOT compatible, it calls mono_custom_attrs_get_attr_checked () */
7675 return mono_cominterop_get_native_wrapper (method);
7677 g_assert_not_reached ();
7681 sig = mono_method_signature (method);
7683 if (!(method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
7684 (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL))
7687 if (!piinfo->addr) {
7689 if (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)
7690 exc_arg = "Method contains unsupported native code";
7692 mono_lookup_pinvoke_call (method, &exc_class, &exc_arg);
7694 piinfo->addr = mono_lookup_internal_call (method);
7698 /* hack - redirect certain string constructors to CreateString */
7699 if (piinfo->addr == ves_icall_System_String_ctor_RedirectToCreateString) {
7700 g_assert (!pinvoke);
7701 g_assert (method->string_ctor);
7702 g_assert (sig->hasthis);
7704 /* CreateString returns a value */
7705 csig = mono_metadata_signature_dup_full (method->klass->image, sig);
7706 csig->ret = &mono_defaults.string_class->byval_arg;
7710 while ((res = mono_class_get_methods (mono_defaults.string_class, &iter))) {
7711 if (!strcmp ("CreateString", res->name) &&
7712 mono_metadata_signature_equal (csig, mono_method_signature (res))) {
7715 g_assert (!(res->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL));
7716 g_assert (!(res->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL));
7718 /* create a wrapper to preserve .ctor in stack trace */
7719 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_MANAGED_TO_MANAGED);
7722 mono_mb_emit_byte (mb, CEE_LDARG_0);
7723 for (i = 1; i <= csig->param_count; i++)
7724 mono_mb_emit_ldarg (mb, i);
7725 mono_mb_emit_managed_call (mb, res, NULL);
7726 mono_mb_emit_byte (mb, CEE_RET);
7729 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_STRING_CTOR);
7730 info->d.string_ctor.method = method;
7732 /* use native_wrapper_cache because internal calls are looked up there */
7733 res = mono_mb_create_and_cache_full (cache, method, mb, csig,
7734 csig->param_count + 1, info, NULL);
7741 /* exception will be thrown */
7742 piinfo->addr = NULL;
7743 g_warning ("cannot find CreateString for .ctor");
7746 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_MANAGED_TO_NATIVE);
7748 mb->method->save_lmf = 1;
7751 * In AOT mode and embedding scenarios, it is possible that the icall is not
7752 * registered in the runtime doing the AOT compilation.
7754 if (!piinfo->addr && !aot) {
7756 mono_mb_emit_exception (mb, exc_class, exc_arg);
7758 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NONE);
7759 info->d.managed_to_native.method = method;
7761 csig = mono_metadata_signature_dup_full (method->klass->image, sig);
7763 res = mono_mb_create_and_cache_full (cache, method, mb, csig,
7764 csig->param_count + 16, info, NULL);
7770 /* internal calls: we simply push all arguments and call the method (no conversions) */
7771 if (method->iflags & (METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL | METHOD_IMPL_ATTRIBUTE_RUNTIME)) {
7773 csig = mono_metadata_signature_dup_add_this (method->klass->image, sig, method->klass);
7775 csig = mono_metadata_signature_dup_full (method->klass->image, sig);
7777 //printf ("%s\n", mono_method_full_name (method, 1));
7779 /* hack - string constructors returns a value */
7780 if (method->string_ctor)
7781 csig->ret = &mono_defaults.string_class->byval_arg;
7785 MonoClass *handle_stack_mark_class;
7786 MonoClass *error_class;
7787 int thread_info_var = -1, stack_mark_var = -1, error_var = -1;
7788 MonoMethodSignature *call_sig = csig;
7789 gboolean uses_handles = FALSE;
7790 (void) mono_lookup_internal_call_full (method, &uses_handles);
7793 /* If it uses handles and MonoError, it had better check exceptions */
7794 g_assert (!uses_handles || check_exceptions);
7797 MonoMethodSignature *ret;
7799 /* Add a MonoError argument */
7800 // FIXME: The stuff from mono_metadata_signature_dup_internal_with_padding ()
7801 ret = mono_metadata_signature_alloc (method->klass->image, csig->param_count + 1);
7803 ret->param_count = csig->param_count + 1;
7804 ret->ret = csig->ret;
7805 for (int i = 0; i < csig->param_count; ++i) {
7806 // FIXME: TODO implement handle wrapping for out and inout params.
7807 g_assert (!mono_signature_param_is_out (csig, i));
7808 ret->params [i] = csig->params [i];
7810 ret->params [csig->param_count] = &mono_get_intptr_class ()->byval_arg;
7815 handle_stack_mark_class = mono_class_load_from_name (mono_get_corlib (), "Mono", "RuntimeStructs/HandleStackMark");
7816 error_class = mono_class_load_from_name (mono_get_corlib (), "Mono", "RuntimeStructs/MonoError");
7818 thread_info_var = mono_mb_add_local (mb, &mono_get_intptr_class ()->byval_arg);
7819 stack_mark_var = mono_mb_add_local (mb, &handle_stack_mark_class->byval_arg);
7820 error_var = mono_mb_add_local (mb, &error_class->byval_arg);
7822 // FIXME: Change csig so it passes a handle not an objref
7829 * Add a null check since public icalls can be called with 'call' which
7830 * does no such check.
7832 mono_mb_emit_byte (mb, CEE_LDARG_0);
7833 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
7834 mono_mb_emit_exception (mb, "NullReferenceException", NULL);
7835 mono_mb_patch_branch (mb, pos);
7839 mono_mb_emit_ldloc_addr (mb, stack_mark_var);
7840 mono_mb_emit_ldloc_addr (mb, error_var);
7841 mono_mb_emit_icall (mb, mono_icall_start);
7842 mono_mb_emit_stloc (mb, thread_info_var);
7845 mono_mb_emit_byte (mb, CEE_LDARG_0);
7846 mono_mb_emit_icall (mb, mono_handle_new);
7848 for (i = 0; i < sig->param_count; i++) {
7849 mono_mb_emit_ldarg (mb, i + sig->hasthis);
7850 if (MONO_TYPE_IS_REFERENCE (sig->params [i])) {
7851 mono_mb_emit_icall (mb, mono_handle_new);
7854 mono_mb_emit_ldloc_addr (mb, error_var);
7857 mono_mb_emit_byte (mb, CEE_LDARG_0);
7858 for (i = 0; i < sig->param_count; i++)
7859 mono_mb_emit_ldarg (mb, i + sig->hasthis);
7863 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
7864 mono_mb_emit_op (mb, CEE_MONO_ICALL_ADDR, &piinfo->method);
7865 mono_mb_emit_calli (mb, call_sig);
7867 g_assert (piinfo->addr);
7868 mono_mb_emit_native_call (mb, call_sig, piinfo->addr);
7872 if (MONO_TYPE_IS_REFERENCE (sig->ret)) {
7873 // if (ret != NULL_HANDLE) {
7874 // ret = MONO_HANDLE_RAW(ret)
7876 mono_mb_emit_byte (mb, CEE_DUP);
7877 int pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
7878 mono_mb_emit_ldflda (mb, MONO_HANDLE_PAYLOAD_OFFSET (MonoObject));
7879 mono_mb_emit_byte (mb, CEE_LDIND_REF);
7880 mono_mb_patch_branch (mb, pos);
7882 mono_mb_emit_ldloc (mb, thread_info_var);
7883 mono_mb_emit_ldloc_addr (mb, stack_mark_var);
7884 mono_mb_emit_ldloc_addr (mb, error_var);
7885 mono_mb_emit_icall (mb, mono_icall_end);
7888 if (check_exceptions)
7889 emit_thread_interrupt_checkpoint (mb);
7890 mono_mb_emit_byte (mb, CEE_RET);
7892 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NONE);
7893 info->d.managed_to_native.method = method;
7895 csig = mono_metadata_signature_dup_full (method->klass->image, csig);
7897 res = mono_mb_create_and_cache_full (cache, method, mb, csig, csig->param_count + 16,
7906 g_assert (piinfo->addr);
7909 mspecs = g_new (MonoMarshalSpec*, sig->param_count + 1);
7910 mono_method_get_marshal_info (method, mspecs);
7912 mono_marshal_emit_native_wrapper (mb->method->klass->image, mb, sig, piinfo, mspecs, piinfo->addr, aot, check_exceptions, FALSE);
7914 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_PINVOKE);
7915 info->d.managed_to_native.method = method;
7917 csig = mono_metadata_signature_dup_full (method->klass->image, sig);
7919 res = mono_mb_create_and_cache_full (cache, method, mb, csig, csig->param_count + 16,
7924 for (i = sig->param_count; i >= 0; i--)
7926 mono_metadata_free_marshal_spec (mspecs [i]);
7930 /* mono_method_print_code (res); */
7936 * mono_marshal_get_native_func_wrapper:
7937 * @image: The image to use for memory allocation and for looking up custom marshallers.
7938 * @sig: The signature of the function
7939 * @func: The native function to wrap
7941 * Returns a wrapper method around native functions, similar to the pinvoke
7945 mono_marshal_get_native_func_wrapper (MonoImage *image, MonoMethodSignature *sig,
7946 MonoMethodPInvoke *piinfo, MonoMarshalSpec **mspecs, gpointer func)
7948 MonoMethodSignature *csig;
7950 SignaturePointerPair key, *new_key;
7951 MonoMethodBuilder *mb;
7960 // Generic types are not safe to place in MonoImage caches.
7961 g_assert (!sig->is_inflated);
7963 cache = get_cache (&image->native_func_wrapper_cache, signature_pointer_pair_hash, signature_pointer_pair_equal);
7964 if ((res = mono_marshal_find_in_cache (cache, &key)))
7967 name = g_strdup_printf ("wrapper_native_%p", func);
7968 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_MANAGED_TO_NATIVE);
7969 mb->method->save_lmf = 1;
7972 mono_marshal_emit_native_wrapper (image, mb, sig, piinfo, mspecs, func, FALSE, TRUE, FALSE);
7975 csig = mono_metadata_signature_dup_full (image, sig);
7978 new_key = g_new (SignaturePointerPair,1);
7979 new_key->sig = csig;
7980 new_key->pointer = func;
7982 res = mono_mb_create_and_cache_full (cache, new_key, mb, csig, csig->param_count + 16, NULL, &found);
7988 mono_marshal_set_wrapper_info (res, NULL);
7994 * The wrapper receives the native function as a boxed IntPtr as its 'this' argument. This is easier to support in
7998 mono_marshal_get_native_func_wrapper_aot (MonoClass *klass)
8000 MonoMethodSignature *sig, *csig;
8001 MonoMethodBuilder *mb;
8006 MonoMethodPInvoke mpiinfo;
8007 MonoMethodPInvoke *piinfo = &mpiinfo;
8008 MonoMarshalSpec **mspecs;
8009 MonoMethod *invoke = mono_get_delegate_invoke (klass);
8010 MonoImage *image = invoke->klass->image;
8013 // FIXME: include UnmanagedFunctionPointerAttribute info
8016 * The wrapper is associated with the delegate type, to pick up the marshalling info etc.
8018 cache = get_cache (&mono_method_get_wrapper_cache (invoke)->native_func_wrapper_aot_cache, mono_aligned_addr_hash, NULL);
8020 if ((res = mono_marshal_find_in_cache (cache, invoke)))
8023 memset (&mpiinfo, 0, sizeof (mpiinfo));
8024 parse_unmanaged_function_pointer_attr (klass, &mpiinfo);
8026 mspecs = g_new0 (MonoMarshalSpec*, mono_method_signature (invoke)->param_count + 1);
8027 mono_method_get_marshal_info (invoke, mspecs);
8028 /* Freed below so don't alloc from mempool */
8029 sig = mono_metadata_signature_dup (mono_method_signature (invoke));
8032 name = g_strdup_printf ("wrapper_aot_native");
8033 mb = mono_mb_new (invoke->klass, name, MONO_WRAPPER_MANAGED_TO_NATIVE);
8034 mb->method->save_lmf = 1;
8037 mono_marshal_emit_native_wrapper (image, mb, sig, piinfo, mspecs, NULL, FALSE, TRUE, TRUE);
8040 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NATIVE_FUNC_AOT);
8041 info->d.managed_to_native.method = invoke;
8043 g_assert (!sig->hasthis);
8044 csig = mono_metadata_signature_dup_add_this (image, sig, mono_defaults.object_class);
8046 res = mono_mb_create_and_cache_full (cache, invoke,
8047 mb, csig, csig->param_count + 16,
8051 for (i = mono_method_signature (invoke)->param_count; i >= 0; i--)
8053 mono_metadata_free_marshal_spec (mspecs [i]);
8061 * mono_marshal_emit_managed_wrapper:
8063 * Emit the body of a native-to-managed wrapper. INVOKE_SIG is the signature of
8064 * the delegate which wraps the managed method to be called. For closed delegates,
8065 * it could have fewer parameters than the method it wraps.
8066 * THIS_LOC is the memory location where the target of the delegate is stored.
8069 mono_marshal_emit_managed_wrapper (MonoMethodBuilder *mb, MonoMethodSignature *invoke_sig, MonoMarshalSpec **mspecs, EmitMarshalContext* m, MonoMethod *method, uint32_t target_handle)
8072 MonoMethodSignature *sig, *csig;
8078 /* we first do all conversions */
8079 for (i = 0; i < sig->param_count; i ++) {
8080 MonoType *t = sig->params [i];
8083 case MONO_TYPE_OBJECT:
8084 case MONO_TYPE_CLASS:
8085 case MONO_TYPE_VALUETYPE:
8086 case MONO_TYPE_ARRAY:
8087 case MONO_TYPE_SZARRAY:
8088 case MONO_TYPE_STRING:
8089 case MONO_TYPE_BOOLEAN:
8090 emit_marshal (m, i, sig->params [i], mspecs [i + 1], 0, &csig->params [i], MARSHAL_ACTION_MANAGED_CONV_IN);
8094 if (!sig->ret->byref) {
8095 switch (sig->ret->type) {
8096 case MONO_TYPE_STRING:
8097 csig->ret = &mono_defaults.int_class->byval_arg;
8104 MonoMethodSignature *sig, *csig;
8105 MonoExceptionClause *clauses, *clause_finally, *clause_catch;
8106 int i, *tmp_locals, ex_local, e_local, attach_cookie_local, attach_dummy_local;
8107 int leave_try_pos, leave_catch_pos, ex_m1_pos;
8108 gboolean closed = FALSE;
8113 /* allocate local 0 (pointer) src_ptr */
8114 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8115 /* allocate local 1 (pointer) dst_ptr */
8116 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8117 /* allocate local 2 (boolean) delete_old */
8118 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
8120 if (!sig->hasthis && sig->param_count != invoke_sig->param_count) {
8121 /* Closed delegate */
8122 g_assert (sig->param_count == invoke_sig->param_count + 1);
8124 /* Use a new signature without the first argument */
8125 sig = mono_metadata_signature_dup (sig);
8126 memmove (&sig->params [0], &sig->params [1], (sig->param_count - 1) * sizeof (MonoType*));
8127 sig->param_count --;
8130 if (!MONO_TYPE_IS_VOID(sig->ret)) {
8131 /* allocate local 3 to store the return value */
8132 mono_mb_add_local (mb, sig->ret);
8135 if (MONO_TYPE_ISSTRUCT (sig->ret))
8136 m->vtaddr_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8138 ex_local = mono_mb_add_local (mb, &mono_defaults.uint32_class->byval_arg);
8139 e_local = mono_mb_add_local (mb, &mono_defaults.exception_class->byval_arg);
8141 attach_cookie_local = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8142 attach_dummy_local = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8147 * // does (STARTING|RUNNING|BLOCKING) -> RUNNING + set/switch domain
8148 * mono_threads_attach_coop ();
8152 * ret = method (...);
8153 * } catch (Exception e) {
8154 * ex = mono_gchandle_new (e, false);
8156 * // does RUNNING -> (RUNNING|BLOCKING) + unset/switch domain
8157 * mono_threads_detach_coop ();
8160 * mono_marshal_ftnptr_eh_callback (ex);
8166 clauses = g_new0 (MonoExceptionClause, 2);
8168 clause_catch = &clauses [0];
8169 clause_catch->flags = MONO_EXCEPTION_CLAUSE_NONE;
8170 clause_catch->data.catch_class = mono_defaults.exception_class;
8172 clause_finally = &clauses [1];
8173 clause_finally->flags = MONO_EXCEPTION_CLAUSE_FINALLY;
8175 mono_mb_emit_icon (mb, 0);
8176 mono_mb_emit_stloc (mb, 2);
8178 mono_mb_emit_icon (mb, -1);
8179 mono_mb_emit_byte (mb, CEE_CONV_U4);
8180 mono_mb_emit_stloc (mb, ex_local);
8183 clause_catch->try_offset = clause_finally->try_offset = mono_mb_get_label (mb);
8185 if (!mono_threads_is_coop_enabled ()) {
8186 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
8187 mono_mb_emit_byte (mb, CEE_MONO_JIT_ATTACH);
8189 /* mono_threads_attach_coop (); */
8190 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
8191 mono_mb_emit_byte (mb, CEE_MONO_LDDOMAIN);
8192 mono_mb_emit_ldloc_addr (mb, attach_dummy_local);
8193 mono_mb_emit_icall (mb, mono_threads_attach_coop);
8194 mono_mb_emit_stloc (mb, attach_cookie_local);
8197 /* <interrupt check> */
8198 emit_thread_interrupt_checkpoint (mb);
8200 /* we first do all conversions */
8201 tmp_locals = (int *)alloca (sizeof (int) * sig->param_count);
8202 for (i = 0; i < sig->param_count; i ++) {
8203 MonoType *t = sig->params [i];
8206 case MONO_TYPE_OBJECT:
8207 case MONO_TYPE_CLASS:
8208 case MONO_TYPE_VALUETYPE:
8209 case MONO_TYPE_ARRAY:
8210 case MONO_TYPE_SZARRAY:
8211 case MONO_TYPE_STRING:
8212 case MONO_TYPE_BOOLEAN:
8213 tmp_locals [i] = emit_marshal (m, i, sig->params [i], mspecs [i + 1], 0, &csig->params [i], MARSHAL_ACTION_MANAGED_CONV_IN);
8223 if (target_handle) {
8224 mono_mb_emit_icon (mb, (gint32)target_handle);
8225 mono_mb_emit_icall (mb, mono_gchandle_get_target);
8228 g_assert_not_reached ();
8230 } else if (closed) {
8231 mono_mb_emit_icon (mb, (gint32)target_handle);
8232 mono_mb_emit_icall (mb, mono_gchandle_get_target);
8235 for (i = 0; i < sig->param_count; i++) {
8236 MonoType *t = sig->params [i];
8238 if (tmp_locals [i]) {
8240 mono_mb_emit_ldloc_addr (mb, tmp_locals [i]);
8242 mono_mb_emit_ldloc (mb, tmp_locals [i]);
8245 mono_mb_emit_ldarg (mb, i);
8248 /* ret = method (...) */
8249 mono_mb_emit_managed_call (mb, method, NULL);
8251 if (MONO_TYPE_ISSTRUCT (sig->ret)) {
8252 MonoClass *klass = mono_class_from_mono_type (sig->ret);
8253 mono_class_init (klass);
8254 if (!(mono_class_is_explicit_layout (klass) || klass->blittable)) {
8255 /* This is used by emit_marshal_vtype (), but it needs to go right before the call */
8256 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
8257 mono_mb_emit_byte (mb, CEE_MONO_VTADDR);
8258 mono_mb_emit_stloc (mb, m->vtaddr_var);
8262 if (mspecs [0] && mspecs [0]->native == MONO_NATIVE_CUSTOM) {
8263 emit_marshal (m, 0, sig->ret, mspecs [0], 0, NULL, MARSHAL_ACTION_MANAGED_CONV_RESULT);
8264 } else if (!sig->ret->byref) {
8265 switch (sig->ret->type) {
8266 case MONO_TYPE_VOID:
8268 case MONO_TYPE_BOOLEAN:
8271 case MONO_TYPE_CHAR:
8283 case MONO_TYPE_OBJECT:
8284 mono_mb_emit_stloc (mb, 3);
8286 case MONO_TYPE_STRING:
8287 csig->ret = &mono_defaults.int_class->byval_arg;
8288 emit_marshal (m, 0, sig->ret, mspecs [0], 0, NULL, MARSHAL_ACTION_MANAGED_CONV_RESULT);
8290 case MONO_TYPE_VALUETYPE:
8291 case MONO_TYPE_CLASS:
8292 case MONO_TYPE_SZARRAY:
8293 emit_marshal (m, 0, sig->ret, mspecs [0], 0, NULL, MARSHAL_ACTION_MANAGED_CONV_RESULT);
8296 g_warning ("return type 0x%02x unknown", sig->ret->type);
8297 g_assert_not_reached ();
8300 mono_mb_emit_stloc (mb, 3);
8303 /* Convert byref arguments back */
8304 for (i = 0; i < sig->param_count; i ++) {
8305 MonoType *t = sig->params [i];
8306 MonoMarshalSpec *spec = mspecs [i + 1];
8308 if (spec && spec->native == MONO_NATIVE_CUSTOM) {
8309 emit_marshal (m, i, t, mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_MANAGED_CONV_OUT);
8311 else if (t->byref) {
8313 case MONO_TYPE_CLASS:
8314 case MONO_TYPE_VALUETYPE:
8315 case MONO_TYPE_OBJECT:
8316 case MONO_TYPE_STRING:
8317 case MONO_TYPE_BOOLEAN:
8318 emit_marshal (m, i, t, mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_MANAGED_CONV_OUT);
8324 else if (invoke_sig->params [i]->attrs & PARAM_ATTRIBUTE_OUT) {
8325 /* The [Out] information is encoded in the delegate signature */
8327 case MONO_TYPE_SZARRAY:
8328 case MONO_TYPE_CLASS:
8329 case MONO_TYPE_VALUETYPE:
8330 emit_marshal (m, i, invoke_sig->params [i], mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_MANAGED_CONV_OUT);
8333 g_assert_not_reached ();
8338 leave_try_pos = mono_mb_emit_branch (mb, CEE_LEAVE);
8342 /* catch (Exception e) { */
8343 clause_catch->try_len = mono_mb_get_label (mb) - clause_catch->try_offset;
8344 clause_catch->handler_offset = mono_mb_get_label (mb);
8346 mono_mb_emit_stloc (mb, e_local);
8348 /* ex = mono_gchandle_new (e, false); */
8349 mono_mb_emit_ldloc (mb, e_local);
8350 mono_mb_emit_icon (mb, 0);
8351 mono_mb_emit_icall (mb, mono_gchandle_new);
8352 mono_mb_emit_stloc (mb, ex_local);
8354 leave_catch_pos = mono_mb_emit_branch (mb, CEE_LEAVE);
8357 clause_catch->handler_len = mono_mb_get_pos (mb) - clause_catch->handler_offset;
8360 clause_finally->try_len = mono_mb_get_label (mb) - clause_finally->try_offset;
8361 clause_finally->handler_offset = mono_mb_get_label (mb);
8363 if (!mono_threads_is_coop_enabled ()) {
8364 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
8365 mono_mb_emit_byte (mb, CEE_MONO_JIT_DETACH);
8367 /* mono_threads_detach_coop (); */
8368 mono_mb_emit_ldloc (mb, attach_cookie_local);
8369 mono_mb_emit_ldloc_addr (mb, attach_dummy_local);
8370 mono_mb_emit_icall (mb, mono_threads_detach_coop);
8374 mono_mb_emit_ldloc (mb, ex_local);
8375 mono_mb_emit_icon (mb, -1);
8376 mono_mb_emit_byte (mb, CEE_CONV_U4);
8377 ex_m1_pos = mono_mb_emit_branch (mb, CEE_BEQ);
8379 /* mono_marshal_ftnptr_eh_callback (ex) */
8380 mono_mb_emit_ldloc (mb, ex_local);
8381 mono_mb_emit_icall (mb, mono_marshal_ftnptr_eh_callback);
8384 mono_mb_patch_branch (mb, ex_m1_pos);
8386 mono_mb_emit_byte (mb, CEE_ENDFINALLY);
8388 /* } [endfinally] */
8389 clause_finally->handler_len = mono_mb_get_pos (mb) - clause_finally->handler_offset;
8391 mono_mb_patch_branch (mb, leave_try_pos);
8392 mono_mb_patch_branch (mb, leave_catch_pos);
8395 if (m->retobj_var) {
8396 mono_mb_emit_ldloc (mb, m->retobj_var);
8397 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
8398 mono_mb_emit_op (mb, CEE_MONO_RETOBJ, m->retobj_class);
8401 if (!MONO_TYPE_IS_VOID(sig->ret))
8402 mono_mb_emit_ldloc (mb, 3);
8403 mono_mb_emit_byte (mb, CEE_RET);
8406 mono_mb_set_clauses (mb, 2, clauses);
8414 mono_marshal_set_callconv_from_modopt (MonoMethod *method, MonoMethodSignature *csig)
8416 MonoMethodSignature *sig;
8421 * Under windows, delegates passed to native code must use the STDCALL
8422 * calling convention.
8424 csig->call_convention = MONO_CALL_STDCALL;
8427 sig = mono_method_signature (method);
8429 /* Change default calling convention if needed */
8430 /* Why is this a modopt ? */
8431 if (sig->ret && sig->ret->num_mods) {
8432 for (i = 0; i < sig->ret->num_mods; ++i) {
8434 MonoClass *cmod_class = mono_class_get_checked (method->klass->image, sig->ret->modifiers [i].token, &error);
8435 g_assert (mono_error_ok (&error));
8436 if ((cmod_class->image == mono_defaults.corlib) && !strcmp (cmod_class->name_space, "System.Runtime.CompilerServices")) {
8437 if (!strcmp (cmod_class->name, "CallConvCdecl"))
8438 csig->call_convention = MONO_CALL_C;
8439 else if (!strcmp (cmod_class->name, "CallConvStdcall"))
8440 csig->call_convention = MONO_CALL_STDCALL;
8441 else if (!strcmp (cmod_class->name, "CallConvFastcall"))
8442 csig->call_convention = MONO_CALL_FASTCALL;
8443 else if (!strcmp (cmod_class->name, "CallConvThiscall"))
8444 csig->call_convention = MONO_CALL_THISCALL;
8451 * generates IL code to call managed methods from unmanaged code
8452 * If target_handle==0, the wrapper info will be a WrapperInfo structure.
8455 mono_marshal_get_managed_wrapper (MonoMethod *method, MonoClass *delegate_klass, uint32_t target_handle)
8458 MonoMethodSignature *sig, *csig, *invoke_sig;
8459 MonoMethodBuilder *mb;
8460 MonoMethod *res, *invoke;
8461 MonoMarshalSpec **mspecs;
8462 MonoMethodPInvoke piinfo;
8465 EmitMarshalContext m;
8467 g_assert (method != NULL);
8468 g_assert (!(method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL));
8471 * FIXME: Should cache the method+delegate type pair, since the same method
8472 * could be called with different delegates, thus different marshalling
8475 cache = get_cache (&mono_method_get_wrapper_cache (method)->managed_wrapper_cache, mono_aligned_addr_hash, NULL);
8477 if (!target_handle && (res = mono_marshal_find_in_cache (cache, method)))
8480 invoke = mono_get_delegate_invoke (delegate_klass);
8481 invoke_sig = mono_method_signature (invoke);
8483 mspecs = g_new0 (MonoMarshalSpec*, mono_method_signature (invoke)->param_count + 1);
8484 mono_method_get_marshal_info (invoke, mspecs);
8486 sig = mono_method_signature (method);
8488 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_NATIVE_TO_MANAGED);
8490 /*the target gchandle must be the first entry after size and the wrapper itself.*/
8491 mono_mb_add_data (mb, GUINT_TO_POINTER (target_handle));
8493 /* we copy the signature, so that we can modify it */
8495 /* Need to free this later */
8496 csig = mono_metadata_signature_dup (invoke_sig);
8498 csig = mono_metadata_signature_dup_full (method->klass->image, invoke_sig);
8502 memset (&m, 0, sizeof (m));
8508 m.image = method->klass->image;
8510 mono_marshal_set_callconv_from_modopt (invoke, csig);
8512 /* The attribute is only available in Net 2.0 */
8513 if (mono_class_try_get_unmanaged_function_pointer_attribute_class ()) {
8514 MonoCustomAttrInfo *cinfo;
8515 MonoCustomAttrEntry *attr;
8518 * The pinvoke attributes are stored in a real custom attribute. Obtain the
8519 * contents of the attribute without constructing it, as that might not be
8520 * possible when running in cross-compiling mode.
8522 cinfo = mono_custom_attrs_from_class_checked (delegate_klass, &error);
8523 mono_error_assert_ok (&error);
8526 for (i = 0; i < cinfo->num_attrs; ++i) {
8527 MonoClass *ctor_class = cinfo->attrs [i].ctor->klass;
8528 if (mono_class_has_parent (ctor_class, mono_class_try_get_unmanaged_function_pointer_attribute_class ())) {
8529 attr = &cinfo->attrs [i];
8535 MonoArray *typed_args, *named_args;
8536 CattrNamedArg *arginfo;
8540 MonoBoolean set_last_error = 0;
8543 mono_reflection_create_custom_attr_data_args (mono_defaults.corlib, attr->ctor, attr->data, attr->data_size, &typed_args, &named_args, &arginfo, &error);
8544 g_assert (mono_error_ok (&error));
8545 g_assert (mono_array_length (typed_args) == 1);
8548 o = mono_array_get (typed_args, MonoObject*, 0);
8549 call_conv = *(gint32*)mono_object_unbox (o);
8552 for (i = 0; i < mono_array_length (named_args); ++i) {
8553 CattrNamedArg *narg = &arginfo [i];
8555 o = mono_array_get (named_args, MonoObject*, i);
8557 g_assert (narg->field);
8558 if (!strcmp (narg->field->name, "CharSet")) {
8559 charset = *(gint32*)mono_object_unbox (o);
8560 } else if (!strcmp (narg->field->name, "SetLastError")) {
8561 set_last_error = *(MonoBoolean*)mono_object_unbox (o);
8562 } else if (!strcmp (narg->field->name, "BestFitMapping")) {
8563 // best_fit_mapping = *(MonoBoolean*)mono_object_unbox (o);
8564 } else if (!strcmp (narg->field->name, "ThrowOnUnmappableChar")) {
8565 // throw_on_unmappable = *(MonoBoolean*)mono_object_unbox (o);
8567 g_assert_not_reached ();
8573 memset (&piinfo, 0, sizeof (piinfo));
8575 piinfo.piflags = (call_conv << 8) | (charset ? (charset - 1) * 2 : 1) | set_last_error;
8577 csig->call_convention = call_conv - 1;
8580 if (cinfo && !cinfo->cached)
8581 mono_custom_attrs_free (cinfo);
8584 mono_marshal_emit_managed_wrapper (mb, invoke_sig, mspecs, &m, method, target_handle);
8586 if (!target_handle) {
8589 // FIXME: Associate it with the method+delegate_klass pair
8590 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NONE);
8591 info->d.native_to_managed.method = method;
8592 info->d.native_to_managed.klass = delegate_klass;
8594 res = mono_mb_create_and_cache_full (cache, method,
8595 mb, csig, sig->param_count + 16,
8601 res = mono_mb_create (mb, csig, sig->param_count + 16, NULL);
8605 for (i = mono_method_signature (invoke)->param_count; i >= 0; i--)
8607 mono_metadata_free_marshal_spec (mspecs [i]);
8610 /* mono_method_print_code (res); */
8616 mono_marshal_get_vtfixup_ftnptr (MonoImage *image, guint32 token, guint16 type)
8620 MonoMethodSignature *sig;
8621 MonoMethodBuilder *mb;
8626 method = mono_get_method_checked (image, token, NULL, NULL, &error);
8628 g_error ("Could not load vtfixup token 0x%x due to %s", token, mono_error_get_message (&error));
8631 if (type & (VTFIXUP_TYPE_FROM_UNMANAGED | VTFIXUP_TYPE_FROM_UNMANAGED_RETAIN_APPDOMAIN)) {
8632 MonoMethodSignature *csig;
8633 MonoMarshalSpec **mspecs;
8634 EmitMarshalContext m;
8636 sig = mono_method_signature (method);
8637 g_assert (!sig->hasthis);
8639 mspecs = g_new0 (MonoMarshalSpec*, sig->param_count + 1);
8640 mono_method_get_marshal_info (method, mspecs);
8642 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_NATIVE_TO_MANAGED);
8643 csig = mono_metadata_signature_dup_full (image, sig);
8647 memset (&m, 0, sizeof (m));
8655 mono_marshal_set_callconv_from_modopt (method, csig);
8657 /* FIXME: Implement VTFIXUP_TYPE_FROM_UNMANAGED_RETAIN_APPDOMAIN. */
8659 mono_marshal_emit_managed_wrapper (mb, sig, mspecs, &m, method, 0);
8664 method = mono_mb_create (mb, csig, sig->param_count + 16, NULL);
8667 for (i = sig->param_count; i >= 0; i--)
8669 mono_metadata_free_marshal_spec (mspecs [i]);
8672 gpointer compiled_ptr = mono_compile_method_checked (method, &error);
8673 mono_error_assert_ok (&error);
8674 return compiled_ptr;
8677 sig = mono_method_signature (method);
8678 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_MANAGED_TO_MANAGED);
8680 param_count = sig->param_count + sig->hasthis;
8682 for (i = 0; i < param_count; i++)
8683 mono_mb_emit_ldarg (mb, i);
8685 if (type & VTFIXUP_TYPE_CALL_MOST_DERIVED)
8686 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
8688 mono_mb_emit_op (mb, CEE_CALL, method);
8689 mono_mb_emit_byte (mb, CEE_RET);
8694 method = mono_mb_create (mb, sig, param_count, NULL);
8697 gpointer compiled_ptr = mono_compile_method_checked (method, &error);
8698 mono_error_assert_ok (&error);
8699 return compiled_ptr;
8705 * The code directly following this is the cache hit, value positive branch
8707 * This function takes a new method builder with 0 locals and adds two locals
8708 * to create multiple out-branches and the fall through state of having the object
8709 * on the stack after a cache miss
8712 generate_check_cache (int obj_arg_position, int class_arg_position, int cache_arg_position, // In-parameters
8713 int *null_obj, int *cache_hit_neg, int *cache_hit_pos, // Out-parameters
8714 MonoMethodBuilder *mb)
8718 /* allocate local 0 (pointer) obj_vtable */
8719 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8720 /* allocate local 1 (pointer) cached_vtable */
8721 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8724 mono_mb_emit_ldarg (mb, obj_arg_position);
8725 *null_obj = mono_mb_emit_branch (mb, CEE_BRFALSE);
8727 /*obj_vtable = obj->vtable;*/
8728 mono_mb_emit_ldarg (mb, obj_arg_position);
8729 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoObject, vtable));
8730 mono_mb_emit_byte (mb, CEE_LDIND_I);
8731 mono_mb_emit_stloc (mb, 0);
8733 /* cached_vtable = *cache*/
8734 mono_mb_emit_ldarg (mb, cache_arg_position);
8735 mono_mb_emit_byte (mb, CEE_LDIND_I);
8736 mono_mb_emit_stloc (mb, 1);
8738 mono_mb_emit_ldloc (mb, 1);
8739 mono_mb_emit_byte (mb, CEE_LDC_I4);
8740 mono_mb_emit_i4 (mb, ~0x1);
8741 mono_mb_emit_byte (mb, CEE_CONV_I);
8742 mono_mb_emit_byte (mb, CEE_AND);
8743 mono_mb_emit_ldloc (mb, 0);
8744 /*if ((cached_vtable & ~0x1)== obj_vtable)*/
8745 cache_miss_pos = mono_mb_emit_branch (mb, CEE_BNE_UN);
8747 /*return (cached_vtable & 0x1) ? NULL : obj;*/
8748 mono_mb_emit_ldloc (mb, 1);
8749 mono_mb_emit_byte(mb, CEE_LDC_I4_1);
8750 mono_mb_emit_byte (mb, CEE_CONV_U);
8751 mono_mb_emit_byte (mb, CEE_AND);
8752 *cache_hit_neg = mono_mb_emit_branch (mb, CEE_BRTRUE);
8753 *cache_hit_pos = mono_mb_emit_branch (mb, CEE_BR);
8756 mono_mb_patch_branch (mb, cache_miss_pos);
8759 mono_mb_emit_ldarg (mb, obj_arg_position);
8760 mono_mb_emit_ldarg (mb, class_arg_position);
8761 mono_mb_emit_ldarg (mb, cache_arg_position);
8762 mono_mb_emit_icall (mb, mono_marshal_isinst_with_cache);
8765 #endif /* DISABLE_JIT */
8768 * This does the equivalent of mono_object_castclass_with_cache.
8771 mono_marshal_get_castclass_with_cache (void)
8773 static MonoMethod *cached;
8775 MonoMethodBuilder *mb;
8776 MonoMethodSignature *sig;
8777 int return_null_pos, positive_cache_hit_pos, negative_cache_hit_pos, invalid_cast_pos;
8780 const int obj_arg_position = 0;
8781 const int class_arg_position = 1;
8782 const int cache_arg_position = 2;
8787 mb = mono_mb_new (mono_defaults.object_class, "__castclass_with_cache", MONO_WRAPPER_CASTCLASS);
8788 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
8789 sig->params [obj_arg_position] = &mono_defaults.object_class->byval_arg;
8790 sig->params [class_arg_position] = &mono_defaults.int_class->byval_arg;
8791 sig->params [cache_arg_position] = &mono_defaults.int_class->byval_arg;
8792 sig->ret = &mono_defaults.object_class->byval_arg;
8796 generate_check_cache (obj_arg_position, class_arg_position, cache_arg_position,
8797 &return_null_pos, &negative_cache_hit_pos, &positive_cache_hit_pos, mb);
8798 invalid_cast_pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
8801 mono_mb_patch_branch (mb, positive_cache_hit_pos);
8802 mono_mb_emit_ldarg (mb, obj_arg_position);
8803 mono_mb_emit_byte (mb, CEE_RET);
8806 mono_mb_patch_branch (mb, negative_cache_hit_pos);
8807 mono_mb_patch_branch (mb, invalid_cast_pos);
8808 mono_mb_emit_exception (mb, "InvalidCastException", NULL);
8811 mono_mb_patch_branch (mb, return_null_pos);
8812 mono_mb_emit_byte (mb, CEE_LDNULL);
8813 mono_mb_emit_byte (mb, CEE_RET);
8814 #endif /* DISABLE_JIT */
8816 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_CASTCLASS_WITH_CACHE);
8817 res = mono_mb_create (mb, sig, 8, info);
8820 if (InterlockedCompareExchangePointer ((volatile gpointer *)&cached, res, NULL)) {
8821 mono_free_method (res);
8822 mono_metadata_free_method_signature (sig);
8829 /* this is an icall */
8831 mono_marshal_isinst_with_cache (MonoObject *obj, MonoClass *klass, uintptr_t *cache)
8834 MonoObject *isinst = mono_object_isinst_checked (obj, klass, &error);
8835 if (mono_error_set_pending_exception (&error))
8838 #ifndef DISABLE_REMOTING
8839 if (obj->vtable->klass == mono_defaults.transparent_proxy_class)
8843 uintptr_t cache_update = (uintptr_t)obj->vtable;
8845 cache_update = cache_update | 0x1;
8847 *cache = cache_update;
8853 * This does the equivalent of mono_object_isinst_with_cache.
8856 mono_marshal_get_isinst_with_cache (void)
8858 static MonoMethod *cached;
8860 MonoMethodBuilder *mb;
8861 MonoMethodSignature *sig;
8862 int return_null_pos, positive_cache_hit_pos, negative_cache_hit_pos;
8865 const int obj_arg_position = 0;
8866 const int class_arg_position = 1;
8867 const int cache_arg_position = 2;
8872 mb = mono_mb_new (mono_defaults.object_class, "__isinst_with_cache", MONO_WRAPPER_CASTCLASS);
8873 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
8875 sig->params [obj_arg_position] = &mono_defaults.object_class->byval_arg;
8877 sig->params [class_arg_position] = &mono_defaults.int_class->byval_arg;
8879 sig->params [cache_arg_position] = &mono_defaults.int_class->byval_arg;
8880 sig->ret = &mono_defaults.object_class->byval_arg;
8884 generate_check_cache (obj_arg_position, class_arg_position, cache_arg_position,
8885 &return_null_pos, &negative_cache_hit_pos, &positive_cache_hit_pos, mb);
8886 // Return the object gotten via the slow path.
8887 mono_mb_emit_byte (mb, CEE_RET);
8890 mono_mb_patch_branch (mb, negative_cache_hit_pos);
8891 mono_mb_patch_branch (mb, return_null_pos);
8892 mono_mb_emit_byte (mb, CEE_LDNULL);
8893 mono_mb_emit_byte (mb, CEE_RET);
8896 mono_mb_patch_branch (mb, positive_cache_hit_pos);
8897 mono_mb_emit_ldarg (mb, obj_arg_position);
8898 mono_mb_emit_byte (mb, CEE_RET);
8901 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_ISINST_WITH_CACHE);
8902 res = mono_mb_create (mb, sig, 8, info);
8905 if (InterlockedCompareExchangePointer ((volatile gpointer *)&cached, res, NULL)) {
8906 mono_free_method (res);
8907 mono_metadata_free_method_signature (sig);
8915 * mono_marshal_get_isinst:
8916 * @klass: the type of the field
8918 * This method generates a function which can be used to check if an object is
8919 * an instance of the given type, icluding the case where the object is a proxy.
8920 * The generated function has the following signature:
8921 * MonoObject* __isinst_wrapper_ (MonoObject *obj)
8924 mono_marshal_get_isinst (MonoClass *klass)
8926 static MonoMethodSignature *isint_sig = NULL;
8930 int pos_was_ok, pos_end;
8931 #ifndef DISABLE_REMOTING
8932 int pos_end2, pos_failed;
8935 MonoMethodBuilder *mb;
8937 cache = get_cache (&klass->image->isinst_cache, mono_aligned_addr_hash, NULL);
8938 if ((res = mono_marshal_find_in_cache (cache, klass)))
8942 isint_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
8943 isint_sig->params [0] = &mono_defaults.object_class->byval_arg;
8944 isint_sig->ret = &mono_defaults.object_class->byval_arg;
8945 isint_sig->pinvoke = 0;
8948 name = g_strdup_printf ("__isinst_wrapper_%s", klass->name);
8949 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_ISINST);
8952 mb->method->save_lmf = 1;
8955 /* check if the object is a proxy that needs special cast */
8956 mono_mb_emit_ldarg (mb, 0);
8957 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
8958 mono_mb_emit_op (mb, CEE_MONO_CISINST, klass);
8960 /* The result of MONO_CISINST can be:
8961 0) the type check succeeded
8962 1) the type check did not succeed
8963 2) a CanCastTo call is needed */
8964 #ifndef DISABLE_REMOTING
8965 mono_mb_emit_byte (mb, CEE_DUP);
8966 pos_was_ok = mono_mb_emit_branch (mb, CEE_BRFALSE);
8968 mono_mb_emit_byte (mb, CEE_LDC_I4_2);
8969 pos_failed = mono_mb_emit_branch (mb, CEE_BNE_UN);
8971 /* get the real proxy from the transparent proxy*/
8973 mono_mb_emit_ldarg (mb, 0);
8974 mono_mb_emit_managed_call (mb, mono_marshal_get_proxy_cancast (klass), NULL);
8975 pos_end = mono_mb_emit_branch (mb, CEE_BR);
8979 mono_mb_patch_branch (mb, pos_failed);
8980 mono_mb_emit_byte (mb, CEE_LDNULL);
8981 pos_end2 = mono_mb_emit_branch (mb, CEE_BR);
8985 mono_mb_patch_branch (mb, pos_was_ok);
8986 mono_mb_emit_byte (mb, CEE_POP);
8987 mono_mb_emit_ldarg (mb, 0);
8991 mono_mb_patch_branch (mb, pos_end);
8992 mono_mb_patch_branch (mb, pos_end2);
8993 mono_mb_emit_byte (mb, CEE_RET);
8995 pos_was_ok = mono_mb_emit_branch (mb, CEE_BRFALSE);
8999 mono_mb_emit_byte (mb, CEE_LDNULL);
9000 pos_end = mono_mb_emit_branch (mb, CEE_BR);
9004 mono_mb_patch_branch (mb, pos_was_ok);
9005 mono_mb_emit_ldarg (mb, 0);
9009 mono_mb_patch_branch (mb, pos_end);
9010 mono_mb_emit_byte (mb, CEE_RET);
9011 #endif /* DISABLE_REMOTING */
9012 #endif /* DISABLE_JIT */
9014 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NONE);
9015 info->d.proxy.klass = klass;
9016 res = mono_mb_create_and_cache_full (cache, klass, mb, isint_sig, isint_sig->param_count + 16, info, NULL);
9023 * mono_marshal_get_castclass:
9024 * @klass: the type of the field
9026 * This method generates a function which can be used to cast an object to
9027 * an instance of the given type, icluding the case where the object is a proxy.
9028 * The generated function has the following signature:
9029 * MonoObject* __castclass_wrapper_ (MonoObject *obj)
9032 mono_marshal_get_castclass (MonoClass *klass)
9034 static MonoMethodSignature *castclass_sig = NULL;
9037 #ifndef DISABLE_REMOTING
9038 int pos_was_ok, pos_was_ok2;
9041 MonoMethodBuilder *mb;
9044 cache = get_cache (&klass->image->castclass_cache, mono_aligned_addr_hash, NULL);
9045 if ((res = mono_marshal_find_in_cache (cache, klass)))
9048 if (!castclass_sig) {
9049 castclass_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
9050 castclass_sig->params [0] = &mono_defaults.object_class->byval_arg;
9051 castclass_sig->ret = &mono_defaults.object_class->byval_arg;
9052 castclass_sig->pinvoke = 0;
9055 name = g_strdup_printf ("__castclass_wrapper_%s", klass->name);
9056 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_CASTCLASS);
9059 mb->method->save_lmf = 1;
9062 /* check if the object is a proxy that needs special cast */
9063 mono_mb_emit_ldarg (mb, 0);
9064 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
9065 mono_mb_emit_op (mb, CEE_MONO_CCASTCLASS, klass);
9067 /* The result of MONO_CCASTCLASS can be:
9068 0) the cast is valid
9069 1) cast of unknown proxy type
9070 or an exception if the cast is is invalid
9072 #ifndef DISABLE_REMOTING
9073 pos_was_ok = mono_mb_emit_branch (mb, CEE_BRFALSE);
9075 /* get the real proxy from the transparent proxy*/
9077 mono_mb_emit_ldarg (mb, 0);
9078 mono_mb_emit_managed_call (mb, mono_marshal_get_proxy_cancast (klass), NULL);
9079 pos_was_ok2 = mono_mb_emit_branch (mb, CEE_BRTRUE);
9082 mono_mb_emit_exception (mb, "InvalidCastException", NULL);
9085 mono_mb_patch_branch (mb, pos_was_ok);
9086 mono_mb_patch_branch (mb, pos_was_ok2);
9088 /* MONO_CCASTCLASS leaves an int in the stack with the result, pop it. */
9089 mono_mb_emit_byte (mb, CEE_POP);
9090 #endif /* DISABLE_REMOTING */
9092 mono_mb_emit_ldarg (mb, 0);
9095 mono_mb_emit_byte (mb, CEE_RET);
9096 #endif /* DISABLE_JIT */
9098 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NONE);
9100 res = mono_mb_create_and_cache_full (cache, klass, mb, castclass_sig, castclass_sig->param_count + 16,
9108 * mono_marshal_get_struct_to_ptr:
9111 * generates IL code for StructureToPtr (object structure, IntPtr ptr, bool fDeleteOld)
9114 mono_marshal_get_struct_to_ptr (MonoClass *klass)
9116 MonoMethodBuilder *mb;
9117 static MonoMethod *stoptr = NULL;
9121 g_assert (klass != NULL);
9123 mono_marshal_load_type_info (klass);
9125 if (klass->marshal_info->str_to_ptr)
9126 return klass->marshal_info->str_to_ptr;
9129 stoptr = mono_class_get_method_from_name (mono_defaults.marshal_class, "StructureToPtr", 3);
9132 mb = mono_mb_new (klass, stoptr->name, MONO_WRAPPER_UNKNOWN);
9135 if (klass->blittable) {
9136 mono_mb_emit_byte (mb, CEE_LDARG_1);
9137 mono_mb_emit_byte (mb, CEE_LDARG_0);
9138 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
9139 mono_mb_emit_icon (mb, mono_class_value_size (klass, NULL));
9140 mono_mb_emit_byte (mb, CEE_PREFIX1);
9141 mono_mb_emit_byte (mb, CEE_CPBLK);
9144 /* allocate local 0 (pointer) src_ptr */
9145 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9146 /* allocate local 1 (pointer) dst_ptr */
9147 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9148 /* allocate local 2 (boolean) delete_old */
9149 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
9150 mono_mb_emit_byte (mb, CEE_LDARG_2);
9151 mono_mb_emit_stloc (mb, 2);
9153 /* initialize src_ptr to point to the start of object data */
9154 mono_mb_emit_byte (mb, CEE_LDARG_0);
9155 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
9156 mono_mb_emit_stloc (mb, 0);
9158 /* initialize dst_ptr */
9159 mono_mb_emit_byte (mb, CEE_LDARG_1);
9160 mono_mb_emit_stloc (mb, 1);
9162 emit_struct_conv (mb, klass, FALSE);
9165 mono_mb_emit_byte (mb, CEE_RET);
9167 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_STRUCTURE_TO_PTR);
9168 res = mono_mb_create (mb, mono_signature_no_pinvoke (stoptr), 0, info);
9171 mono_marshal_lock ();
9172 if (!klass->marshal_info->str_to_ptr)
9173 klass->marshal_info->str_to_ptr = res;
9175 res = klass->marshal_info->str_to_ptr;
9176 mono_marshal_unlock ();
9181 * mono_marshal_get_ptr_to_struct:
9184 * generates IL code for PtrToStructure (IntPtr src, object structure)
9187 mono_marshal_get_ptr_to_struct (MonoClass *klass)
9189 MonoMethodBuilder *mb;
9190 static MonoMethodSignature *ptostr = NULL;
9194 g_assert (klass != NULL);
9196 mono_marshal_load_type_info (klass);
9198 if (klass->marshal_info->ptr_to_str)
9199 return klass->marshal_info->ptr_to_str;
9202 MonoMethodSignature *sig;
9204 /* Create the signature corresponding to
9205 static void PtrToStructure (IntPtr ptr, object structure);
9206 defined in class/corlib/System.Runtime.InteropServices/Marshal.cs */
9207 sig = mono_create_icall_signature ("void ptr object");
9208 sig = mono_metadata_signature_dup_full (mono_defaults.corlib, sig);
9210 mono_memory_barrier ();
9214 mb = mono_mb_new (klass, "PtrToStructure", MONO_WRAPPER_UNKNOWN);
9217 if (klass->blittable) {
9218 mono_mb_emit_byte (mb, CEE_LDARG_1);
9219 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
9220 mono_mb_emit_byte (mb, CEE_LDARG_0);
9221 mono_mb_emit_icon (mb, mono_class_value_size (klass, NULL));
9222 mono_mb_emit_byte (mb, CEE_PREFIX1);
9223 mono_mb_emit_byte (mb, CEE_CPBLK);
9226 /* allocate local 0 (pointer) src_ptr */
9227 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9228 /* allocate local 1 (pointer) dst_ptr */
9229 mono_mb_add_local (mb, &klass->this_arg);
9231 /* initialize src_ptr to point to the start of object data */
9232 mono_mb_emit_byte (mb, CEE_LDARG_0);
9233 mono_mb_emit_stloc (mb, 0);
9235 /* initialize dst_ptr */
9236 mono_mb_emit_byte (mb, CEE_LDARG_1);
9237 mono_mb_emit_op (mb, CEE_UNBOX, klass);
9238 mono_mb_emit_stloc (mb, 1);
9240 emit_struct_conv (mb, klass, TRUE);
9243 mono_mb_emit_byte (mb, CEE_RET);
9245 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_PTR_TO_STRUCTURE);
9246 res = mono_mb_create (mb, ptostr, 0, info);
9249 mono_marshal_lock ();
9250 if (!klass->marshal_info->ptr_to_str)
9251 klass->marshal_info->ptr_to_str = res;
9253 res = klass->marshal_info->ptr_to_str;
9254 mono_marshal_unlock ();
9259 * Return a dummy wrapper for METHOD which is called by synchronized wrappers.
9260 * This is used to avoid infinite recursion since it is hard to determine where to
9261 * replace a method with its synchronized wrapper, and where not.
9262 * The runtime should execute METHOD instead of the wrapper.
9265 mono_marshal_get_synchronized_inner_wrapper (MonoMethod *method)
9267 MonoMethodBuilder *mb;
9269 MonoMethodSignature *sig;
9271 MonoGenericContext *ctx = NULL;
9272 MonoGenericContainer *container = NULL;
9274 if (method->is_inflated && !mono_method_get_context (method)->method_inst) {
9275 ctx = &((MonoMethodInflated*)method)->context;
9276 method = ((MonoMethodInflated*)method)->declaring;
9277 container = mono_method_get_generic_container (method);
9279 container = mono_class_try_get_generic_container (method->klass); //FIXME is this a case of a try?
9280 g_assert (container);
9283 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_UNKNOWN);
9285 mono_mb_emit_exception_full (mb, "System", "ExecutionEngineException", "Shouldn't be called.");
9286 mono_mb_emit_byte (mb, CEE_RET);
9288 sig = mono_metadata_signature_dup_full (method->klass->image, mono_method_signature (method));
9290 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_SYNCHRONIZED_INNER);
9291 info->d.synchronized_inner.method = method;
9292 res = mono_mb_create (mb, sig, 0, info);
9296 res = mono_class_inflate_generic_method_checked (res, ctx, &error);
9297 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
9303 * generates IL code for the synchronized wrapper: the generated method
9304 * calls METHOD while locking 'this' or the parent type.
9307 mono_marshal_get_synchronized_wrapper (MonoMethod *method)
9309 static MonoMethod *enter_method, *exit_method, *gettypefromhandle_method;
9310 MonoMethodSignature *sig;
9311 MonoExceptionClause *clause;
9312 MonoMethodBuilder *mb;
9316 int i, pos, pos2, this_local, taken_local, ret_local = 0;
9317 MonoGenericContext *ctx = NULL;
9318 MonoMethod *orig_method = NULL;
9319 MonoGenericContainer *container = NULL;
9323 if (method->wrapper_type == MONO_WRAPPER_SYNCHRONIZED)
9326 /* FIXME: Support generic methods too */
9327 if (method->is_inflated && !mono_method_get_context (method)->method_inst) {
9328 orig_method = method;
9329 ctx = &((MonoMethodInflated*)method)->context;
9330 method = ((MonoMethodInflated*)method)->declaring;
9331 container = mono_method_get_generic_container (method);
9333 container = mono_class_try_get_generic_container (method->klass); //FIXME is this a case of a try?
9334 g_assert (container);
9341 cache = get_cache (&((MonoMethodInflated*)orig_method)->owner->wrapper_caches.synchronized_cache, mono_aligned_addr_hash, NULL);
9342 res = check_generic_wrapper_cache (cache, orig_method, orig_method, method);
9346 cache = get_cache (&method->klass->image->wrapper_caches.synchronized_cache, mono_aligned_addr_hash, NULL);
9347 if ((res = mono_marshal_find_in_cache (cache, method)))
9351 sig = mono_metadata_signature_dup_full (method->klass->image, mono_method_signature (method));
9354 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_SYNCHRONIZED);
9356 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NONE);
9357 info->d.synchronized.method = method;
9360 mb->skip_visibility = 1;
9362 if (!MONO_TYPE_IS_VOID (sig->ret))
9363 ret_local = mono_mb_add_local (mb, sig->ret);
9366 if (method->klass->valuetype && !(method->flags & MONO_METHOD_ATTR_STATIC)) {
9367 /* FIXME Is this really the best way to signal an error here? Isn't this called much later after class setup? -AK */
9368 mono_class_set_type_load_failure (method->klass, "");
9370 /* This will throw the type load exception when the wrapper is compiled */
9371 mono_mb_emit_byte (mb, CEE_LDNULL);
9372 mono_mb_emit_op (mb, CEE_ISINST, method->klass);
9373 mono_mb_emit_byte (mb, CEE_POP);
9375 if (!MONO_TYPE_IS_VOID (sig->ret))
9376 mono_mb_emit_ldloc (mb, ret_local);
9377 mono_mb_emit_byte (mb, CEE_RET);
9380 res = mono_mb_create_and_cache_full (cache, method,
9381 mb, sig, sig->param_count + 16, info, NULL);
9389 this_local = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
9390 taken_local = mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
9392 clause = (MonoExceptionClause *)mono_image_alloc0 (method->klass->image, sizeof (MonoExceptionClause));
9393 clause->flags = MONO_EXCEPTION_CLAUSE_FINALLY;
9396 mono_marshal_lock ();
9398 if (!enter_method) {
9399 MonoMethodDesc *desc;
9401 desc = mono_method_desc_new ("Monitor:Enter(object,bool&)", FALSE);
9402 enter_method = mono_method_desc_search_in_class (desc, mono_defaults.monitor_class);
9403 g_assert (enter_method);
9404 mono_method_desc_free (desc);
9406 desc = mono_method_desc_new ("Monitor:Exit", FALSE);
9407 exit_method = mono_method_desc_search_in_class (desc, mono_defaults.monitor_class);
9408 g_assert (exit_method);
9409 mono_method_desc_free (desc);
9411 desc = mono_method_desc_new ("Type:GetTypeFromHandle", FALSE);
9412 gettypefromhandle_method = mono_method_desc_search_in_class (desc, mono_defaults.systemtype_class);
9413 g_assert (gettypefromhandle_method);
9414 mono_method_desc_free (desc);
9417 mono_marshal_unlock ();
9420 /* Push this or the type object */
9421 if (method->flags & METHOD_ATTRIBUTE_STATIC) {
9422 /* We have special handling for this in the JIT */
9423 int index = mono_mb_add_data (mb, method->klass);
9424 mono_mb_add_data (mb, mono_defaults.typehandle_class);
9425 mono_mb_emit_byte (mb, CEE_LDTOKEN);
9426 mono_mb_emit_i4 (mb, index);
9428 mono_mb_emit_managed_call (mb, gettypefromhandle_method, NULL);
9431 mono_mb_emit_ldarg (mb, 0);
9432 mono_mb_emit_stloc (mb, this_local);
9434 /* Call Monitor::Enter() */
9435 mono_mb_emit_ldloc (mb, this_local);
9436 mono_mb_emit_ldloc_addr (mb, taken_local);
9437 mono_mb_emit_managed_call (mb, enter_method, NULL);
9439 clause->try_offset = mono_mb_get_label (mb);
9441 /* Call the method */
9443 mono_mb_emit_ldarg (mb, 0);
9444 for (i = 0; i < sig->param_count; i++)
9445 mono_mb_emit_ldarg (mb, i + (sig->hasthis == TRUE));
9449 mono_mb_emit_managed_call (mb, mono_class_inflate_generic_method_checked (method, &container->context, &error), NULL);
9450 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
9452 mono_mb_emit_managed_call (mb, method, NULL);
9455 if (!MONO_TYPE_IS_VOID (sig->ret))
9456 mono_mb_emit_stloc (mb, ret_local);
9458 pos = mono_mb_emit_branch (mb, CEE_LEAVE);
9460 clause->try_len = mono_mb_get_pos (mb) - clause->try_offset;
9461 clause->handler_offset = mono_mb_get_label (mb);
9463 /* Call Monitor::Exit() if needed */
9464 mono_mb_emit_ldloc (mb, taken_local);
9465 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
9466 mono_mb_emit_ldloc (mb, this_local);
9467 mono_mb_emit_managed_call (mb, exit_method, NULL);
9468 mono_mb_patch_branch (mb, pos2);
9469 mono_mb_emit_byte (mb, CEE_ENDFINALLY);
9471 clause->handler_len = mono_mb_get_pos (mb) - clause->handler_offset;
9473 mono_mb_patch_branch (mb, pos);
9474 if (!MONO_TYPE_IS_VOID (sig->ret))
9475 mono_mb_emit_ldloc (mb, ret_local);
9476 mono_mb_emit_byte (mb, CEE_RET);
9478 mono_mb_set_clauses (mb, 1, clause);
9483 def = mono_mb_create_and_cache_full (cache, method, mb, sig, sig->param_count + 16, info, NULL);
9484 res = cache_generic_wrapper (cache, orig_method, def, ctx, orig_method);
9486 res = mono_mb_create_and_cache_full (cache, method,
9487 mb, sig, sig->param_count + 16, info, NULL);
9496 * the returned method calls 'method' unboxing the this argument
9499 mono_marshal_get_unbox_wrapper (MonoMethod *method)
9501 MonoMethodSignature *sig = mono_method_signature (method);
9503 MonoMethodBuilder *mb;
9508 cache = get_cache (&mono_method_get_wrapper_cache (method)->unbox_wrapper_cache, mono_aligned_addr_hash, NULL);
9510 if ((res = mono_marshal_find_in_cache (cache, method)))
9513 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_UNBOX);
9515 g_assert (sig->hasthis);
9518 mono_mb_emit_ldarg (mb, 0);
9519 mono_mb_emit_icon (mb, sizeof (MonoObject));
9520 mono_mb_emit_byte (mb, CEE_ADD);
9521 for (i = 0; i < sig->param_count; ++i)
9522 mono_mb_emit_ldarg (mb, i + 1);
9523 mono_mb_emit_managed_call (mb, method, NULL);
9524 mono_mb_emit_byte (mb, CEE_RET);
9527 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NONE);
9528 info->d.unbox.method = method;
9530 res = mono_mb_create_and_cache_full (cache, method,
9531 mb, sig, sig->param_count + 16, info, NULL);
9534 /* mono_method_print_code (res); */
9540 STELEMREF_OBJECT, /*no check at all*/
9541 STELEMREF_SEALED_CLASS, /*check vtable->klass->element_type */
9542 STELEMREF_CLASS, /*only the klass->parents check*/
9543 STELEMREF_INTERFACE, /*interfaces without variant generic arguments. */
9544 STELEMREF_COMPLEX, /*arrays, MBR or types with variant generic args - go straight to icalls*/
9545 STELEMREF_KIND_COUNT
9548 static const char *strelemref_wrapper_name[] = {
9549 "object", "sealed_class", "class", "interface", "complex"
9553 is_monomorphic_array (MonoClass *klass)
9555 MonoClass *element_class;
9556 if (klass->rank != 1)
9559 element_class = klass->element_class;
9560 return mono_class_is_sealed (element_class) || element_class->valuetype;
9564 get_virtual_stelemref_kind (MonoClass *element_class)
9566 if (element_class == mono_defaults.object_class)
9567 return STELEMREF_OBJECT;
9568 if (is_monomorphic_array (element_class))
9569 return STELEMREF_SEALED_CLASS;
9570 /* Compressed interface bitmaps require code that is quite complex, so don't optimize for it. */
9571 if (MONO_CLASS_IS_INTERFACE (element_class) && !mono_class_has_variant_generic_params (element_class))
9572 #ifdef COMPRESSED_INTERFACE_BITMAP
9573 return STELEMREF_COMPLEX;
9575 return STELEMREF_INTERFACE;
9577 /*Arrays are sealed but are covariant on their element type, We can't use any of the fast paths.*/
9578 if (mono_class_is_marshalbyref (element_class) || element_class->rank || mono_class_has_variant_generic_params (element_class))
9579 return STELEMREF_COMPLEX;
9580 if (mono_class_is_sealed (element_class))
9581 return STELEMREF_SEALED_CLASS;
9582 return STELEMREF_CLASS;
9588 load_array_element_address (MonoMethodBuilder *mb)
9590 mono_mb_emit_ldarg (mb, 0);
9591 mono_mb_emit_ldarg (mb, 1);
9592 mono_mb_emit_op (mb, CEE_LDELEMA, mono_defaults.object_class);
9596 load_array_class (MonoMethodBuilder *mb, int aklass)
9598 mono_mb_emit_ldarg (mb, 0);
9599 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoObject, vtable));
9600 mono_mb_emit_byte (mb, CEE_LDIND_I);
9601 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoVTable, klass));
9602 mono_mb_emit_byte (mb, CEE_LDIND_I);
9603 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoClass, element_class));
9604 mono_mb_emit_byte (mb, CEE_LDIND_I);
9605 mono_mb_emit_stloc (mb, aklass);
9609 load_value_class (MonoMethodBuilder *mb, int vklass)
9611 mono_mb_emit_ldarg (mb, 2);
9612 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoObject, vtable));
9613 mono_mb_emit_byte (mb, CEE_LDIND_I);
9614 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoVTable, klass));
9615 mono_mb_emit_byte (mb, CEE_LDIND_I);
9616 mono_mb_emit_stloc (mb, vklass);
9622 record_slot_vstore (MonoObject *array, size_t index, MonoObject *value)
9624 char *name = mono_type_get_full_name (array->vtable->klass->element_class);
9625 printf ("slow vstore of %s\n", name);
9632 * - Separate simple interfaces from variant interfaces or mbr types. This way we can avoid the icall for them.
9633 * - Emit a (new) mono bytecode that produces OP_COND_EXC_NE_UN to raise ArrayTypeMismatch
9634 * - Maybe mve some MonoClass field into the vtable to reduce the number of loads
9635 * - Add a case for arrays of arrays.
9638 get_virtual_stelemref_wrapper (int kind)
9640 static MonoMethod *cached_methods [STELEMREF_KIND_COUNT] = { NULL }; /*object iface sealed regular*/
9641 static MonoMethodSignature *signature;
9642 MonoMethodBuilder *mb;
9645 const char *param_names [16];
9646 guint32 b1, b2, b3, b4;
9647 int aklass, vklass, vtable, uiid;
9648 int array_slot_addr;
9651 if (cached_methods [kind])
9652 return cached_methods [kind];
9654 name = g_strdup_printf ("virt_stelemref_%s", strelemref_wrapper_name [kind]);
9655 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_STELEMREF);
9659 MonoMethodSignature *sig = mono_metadata_signature_alloc (mono_defaults.corlib, 2);
9661 /* void this::stelemref (size_t idx, void* value) */
9662 sig->ret = &mono_defaults.void_class->byval_arg;
9663 sig->hasthis = TRUE;
9664 sig->params [0] = &mono_defaults.int_class->byval_arg; /* this is a natural sized int */
9665 sig->params [1] = &mono_defaults.object_class->byval_arg;
9670 param_names [0] = "index";
9671 param_names [1] = "value";
9672 mono_mb_set_param_names (mb, param_names);
9674 /*For now simply call plain old stelemref*/
9676 case STELEMREF_OBJECT:
9677 /* ldelema (implicit bound check) */
9678 load_array_element_address (mb);
9680 mono_mb_emit_ldarg (mb, 2);
9681 mono_mb_emit_byte (mb, CEE_STIND_REF);
9682 mono_mb_emit_byte (mb, CEE_RET);
9685 case STELEMREF_COMPLEX:
9687 <ldelema (bound check)>
9690 if (!mono_object_isinst (value, aklass))
9694 *array_slot_addr = value;
9697 throw new ArrayTypeMismatchException ();
9700 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9701 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
9705 /*Use this to debug/record stores that are going thru the slow path*/
9706 MonoMethodSignature *csig;
9707 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
9708 csig->ret = &mono_defaults.void_class->byval_arg;
9709 csig->params [0] = &mono_defaults.object_class->byval_arg;
9710 csig->params [1] = &mono_defaults.int_class->byval_arg; /* this is a natural sized int */
9711 csig->params [2] = &mono_defaults.object_class->byval_arg;
9712 mono_mb_emit_ldarg (mb, 0);
9713 mono_mb_emit_ldarg (mb, 1);
9714 mono_mb_emit_ldarg (mb, 2);
9715 mono_mb_emit_native_call (mb, csig, record_slot_vstore);
9719 /* ldelema (implicit bound check) */
9720 load_array_element_address (mb);
9721 mono_mb_emit_stloc (mb, array_slot_addr);
9723 /* if (!value) goto do_store */
9724 mono_mb_emit_ldarg (mb, 2);
9725 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
9727 /* aklass = array->vtable->klass->element_class */
9728 load_array_class (mb, aklass);
9730 /*if (mono_object_isinst (value, aklass)) */
9731 mono_mb_emit_ldarg (mb, 2);
9732 mono_mb_emit_ldloc (mb, aklass);
9733 mono_mb_emit_icall (mb, mono_object_isinst_icall);
9734 b2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
9737 mono_mb_patch_branch (mb, b1);
9738 mono_mb_emit_ldloc (mb, array_slot_addr);
9739 mono_mb_emit_ldarg (mb, 2);
9740 mono_mb_emit_byte (mb, CEE_STIND_REF);
9741 mono_mb_emit_byte (mb, CEE_RET);
9744 mono_mb_patch_branch (mb, b2);
9746 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
9749 case STELEMREF_SEALED_CLASS:
9751 <ldelema (bound check)>
9755 aklass = array->vtable->klass->element_class;
9756 vklass = value->vtable->klass;
9758 if (vklass != aklass)
9762 *array_slot_addr = value;
9765 throw new ArrayTypeMismatchException ();
9767 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9768 vklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9769 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
9772 /* ldelema (implicit bound check) */
9773 load_array_element_address (mb);
9774 mono_mb_emit_stloc (mb, array_slot_addr);
9776 /* if (!value) goto do_store */
9777 mono_mb_emit_ldarg (mb, 2);
9778 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
9780 /* aklass = array->vtable->klass->element_class */
9781 load_array_class (mb, aklass);
9783 /* vklass = value->vtable->klass */
9784 load_value_class (mb, vklass);
9786 /*if (vklass != aklass) goto do_exception; */
9787 mono_mb_emit_ldloc (mb, aklass);
9788 mono_mb_emit_ldloc (mb, vklass);
9789 b2 = mono_mb_emit_branch (mb, CEE_BNE_UN);
9792 mono_mb_patch_branch (mb, b1);
9793 mono_mb_emit_ldloc (mb, array_slot_addr);
9794 mono_mb_emit_ldarg (mb, 2);
9795 mono_mb_emit_byte (mb, CEE_STIND_REF);
9796 mono_mb_emit_byte (mb, CEE_RET);
9799 mono_mb_patch_branch (mb, b2);
9800 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
9803 case STELEMREF_CLASS:
9806 <ldelema (bound check)>
9810 aklass = array->vtable->klass->element_class;
9811 vklass = value->vtable->klass;
9813 if (vklass->idepth < aklass->idepth)
9816 if (vklass->supertypes [aklass->idepth - 1] != aklass)
9820 *array_slot_addr = value;
9824 throw new ArrayTypeMismatchException ();
9826 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9827 vklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9828 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
9830 /* ldelema (implicit bound check) */
9831 load_array_element_address (mb);
9832 mono_mb_emit_stloc (mb, array_slot_addr);
9834 /* if (!value) goto do_store */
9835 mono_mb_emit_ldarg (mb, 2);
9836 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
9838 /* aklass = array->vtable->klass->element_class */
9839 load_array_class (mb, aklass);
9841 /* vklass = value->vtable->klass */
9842 load_value_class (mb, vklass);
9844 /*if (mono_object_isinst (value, aklass)) */
9845 mono_mb_emit_ldarg (mb, 2);
9846 mono_mb_emit_ldloc (mb, aklass);
9847 mono_mb_emit_icall (mb, mono_object_isinst_icall);
9848 b2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
9850 /* if (vklass->idepth < aklass->idepth) goto failue */
9851 mono_mb_emit_ldloc (mb, vklass);
9852 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoClass, idepth));
9853 mono_mb_emit_byte (mb, CEE_LDIND_U2);
9855 mono_mb_emit_ldloc (mb, aklass);
9856 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoClass, idepth));
9857 mono_mb_emit_byte (mb, CEE_LDIND_U2);
9859 b3 = mono_mb_emit_branch (mb, CEE_BLT_UN);
9861 /* if (vklass->supertypes [aklass->idepth - 1] != aklass) goto failure */
9862 mono_mb_emit_ldloc (mb, vklass);
9863 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoClass, supertypes));
9864 mono_mb_emit_byte (mb, CEE_LDIND_I);
9866 mono_mb_emit_ldloc (mb, aklass);
9867 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoClass, idepth));
9868 mono_mb_emit_byte (mb, CEE_LDIND_U2);
9869 mono_mb_emit_icon (mb, 1);
9870 mono_mb_emit_byte (mb, CEE_SUB);
9871 mono_mb_emit_icon (mb, sizeof (void*));
9872 mono_mb_emit_byte (mb, CEE_MUL);
9873 mono_mb_emit_byte (mb, CEE_ADD);
9874 mono_mb_emit_byte (mb, CEE_LDIND_I);
9876 mono_mb_emit_ldloc (mb, aklass);
9877 b4 = mono_mb_emit_branch (mb, CEE_BNE_UN);
9880 mono_mb_patch_branch (mb, b1);
9881 mono_mb_emit_ldloc (mb, array_slot_addr);
9882 mono_mb_emit_ldarg (mb, 2);
9883 mono_mb_emit_byte (mb, CEE_STIND_REF);
9884 mono_mb_emit_byte (mb, CEE_RET);
9887 mono_mb_patch_branch (mb, b2);
9888 mono_mb_patch_branch (mb, b3);
9889 mono_mb_patch_branch (mb, b4);
9891 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
9894 case STELEMREF_INTERFACE:
9901 klass = array->obj.vtable->klass->element_class;
9903 uiid = klass->interface_id;
9904 if (uiid > vt->max_interface_id)
9906 if (!(vt->interface_bitmap [(uiid) >> 3] & (1 << ((uiid)&7))))
9909 mono_array_setref (array, index, value);
9912 mono_raise_exception (mono_get_exception_array_type_mismatch ());*/
9914 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
9915 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9916 vtable = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9917 uiid = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
9919 /* ldelema (implicit bound check) */
9920 load_array_element_address (mb);
9921 mono_mb_emit_stloc (mb, array_slot_addr);
9923 /* if (!value) goto do_store */
9924 mono_mb_emit_ldarg (mb, 2);
9925 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
9927 /* klass = array->vtable->klass->element_class */
9928 load_array_class (mb, aklass);
9930 /* vt = value->vtable */
9931 mono_mb_emit_ldarg (mb, 2);
9932 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoObject, vtable));
9933 mono_mb_emit_byte (mb, CEE_LDIND_I);
9934 mono_mb_emit_stloc (mb, vtable);
9936 /* uiid = klass->interface_id; */
9937 mono_mb_emit_ldloc (mb, aklass);
9938 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoClass, interface_id));
9939 mono_mb_emit_byte (mb, CEE_LDIND_U4);
9940 mono_mb_emit_stloc (mb, uiid);
9942 /*if (uiid > vt->max_interface_id)*/
9943 mono_mb_emit_ldloc (mb, uiid);
9944 mono_mb_emit_ldloc (mb, vtable);
9945 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoVTable, max_interface_id));
9946 mono_mb_emit_byte (mb, CEE_LDIND_U4);
9947 b2 = mono_mb_emit_branch (mb, CEE_BGT_UN);
9949 /* if (!(vt->interface_bitmap [(uiid) >> 3] & (1 << ((uiid)&7)))) */
9951 /*vt->interface_bitmap*/
9952 mono_mb_emit_ldloc (mb, vtable);
9953 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoVTable, interface_bitmap));
9954 mono_mb_emit_byte (mb, CEE_LDIND_I);
9957 mono_mb_emit_ldloc (mb, uiid);
9958 mono_mb_emit_icon (mb, 3);
9959 mono_mb_emit_byte (mb, CEE_SHR_UN);
9961 /*vt->interface_bitmap [(uiid) >> 3]*/
9962 mono_mb_emit_byte (mb, CEE_ADD); /*interface_bitmap is a guint8 array*/
9963 mono_mb_emit_byte (mb, CEE_LDIND_U1);
9965 /*(1 << ((uiid)&7)))*/
9966 mono_mb_emit_icon (mb, 1);
9967 mono_mb_emit_ldloc (mb, uiid);
9968 mono_mb_emit_icon (mb, 7);
9969 mono_mb_emit_byte (mb, CEE_AND);
9970 mono_mb_emit_byte (mb, CEE_SHL);
9972 /*bitwise and the whole thing*/
9973 mono_mb_emit_byte (mb, CEE_AND);
9974 b3 = mono_mb_emit_branch (mb, CEE_BRFALSE);
9977 mono_mb_patch_branch (mb, b1);
9978 mono_mb_emit_ldloc (mb, array_slot_addr);
9979 mono_mb_emit_ldarg (mb, 2);
9980 mono_mb_emit_byte (mb, CEE_STIND_REF);
9981 mono_mb_emit_byte (mb, CEE_RET);
9984 mono_mb_patch_branch (mb, b2);
9985 mono_mb_patch_branch (mb, b3);
9986 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
9990 mono_mb_emit_ldarg (mb, 0);
9991 mono_mb_emit_ldarg (mb, 1);
9992 mono_mb_emit_ldarg (mb, 2);
9993 mono_mb_emit_managed_call (mb, mono_marshal_get_stelemref (), NULL);
9994 mono_mb_emit_byte (mb, CEE_RET);
9997 #endif /* DISABLE_JIT */
9998 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_VIRTUAL_STELEMREF);
9999 info->d.virtual_stelemref.kind = kind;
10000 res = mono_mb_create (mb, signature, 4, info);
10001 res->flags |= METHOD_ATTRIBUTE_VIRTUAL;
10003 mono_marshal_lock ();
10004 if (!cached_methods [kind]) {
10005 cached_methods [kind] = res;
10006 mono_marshal_unlock ();
10008 mono_marshal_unlock ();
10009 mono_free_method (res);
10013 return cached_methods [kind];
10017 mono_marshal_get_virtual_stelemref (MonoClass *array_class)
10021 g_assert (array_class->rank == 1);
10022 kind = get_virtual_stelemref_kind (array_class->element_class);
10024 return get_virtual_stelemref_wrapper (kind);
10028 mono_marshal_get_virtual_stelemref_wrappers (int *nwrappers)
10033 *nwrappers = STELEMREF_KIND_COUNT;
10034 res = (MonoMethod **)g_malloc0 (STELEMREF_KIND_COUNT * sizeof (MonoMethod*));
10035 for (i = 0; i < STELEMREF_KIND_COUNT; ++i)
10036 res [i] = get_virtual_stelemref_wrapper (i);
10041 mono_marshal_get_stelemref (void)
10043 static MonoMethod* ret = NULL;
10044 MonoMethodSignature *sig;
10045 MonoMethodBuilder *mb;
10048 guint32 b1, b2, b3, b4;
10050 int aklass, vklass;
10051 int array_slot_addr;
10056 mb = mono_mb_new (mono_defaults.object_class, "stelemref", MONO_WRAPPER_STELEMREF);
10059 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
10061 /* void stelemref (void* array, int idx, void* value) */
10062 sig->ret = &mono_defaults.void_class->byval_arg;
10063 sig->params [0] = &mono_defaults.object_class->byval_arg;
10064 sig->params [1] = &mono_defaults.int_class->byval_arg; /* this is a natural sized int */
10065 sig->params [2] = &mono_defaults.object_class->byval_arg;
10067 #ifndef DISABLE_JIT
10068 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10069 vklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10070 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
10074 <ldelema (bound check)>
10078 aklass = array->vtable->klass->element_class;
10079 vklass = value->vtable->klass;
10081 if (vklass->idepth < aklass->idepth)
10084 if (vklass->supertypes [aklass->idepth - 1] != aklass)
10088 *array_slot_addr = value;
10092 if (mono_object_isinst (value, aklass))
10095 throw new ArrayTypeMismatchException ();
10098 /* ldelema (implicit bound check) */
10099 mono_mb_emit_ldarg (mb, 0);
10100 mono_mb_emit_ldarg (mb, 1);
10101 mono_mb_emit_op (mb, CEE_LDELEMA, mono_defaults.object_class);
10102 mono_mb_emit_stloc (mb, array_slot_addr);
10104 /* if (!value) goto do_store */
10105 mono_mb_emit_ldarg (mb, 2);
10106 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
10108 /* aklass = array->vtable->klass->element_class */
10109 mono_mb_emit_ldarg (mb, 0);
10110 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoObject, vtable));
10111 mono_mb_emit_byte (mb, CEE_LDIND_I);
10112 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoVTable, klass));
10113 mono_mb_emit_byte (mb, CEE_LDIND_I);
10114 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoClass, element_class));
10115 mono_mb_emit_byte (mb, CEE_LDIND_I);
10116 mono_mb_emit_stloc (mb, aklass);
10118 /* vklass = value->vtable->klass */
10119 mono_mb_emit_ldarg (mb, 2);
10120 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoObject, vtable));
10121 mono_mb_emit_byte (mb, CEE_LDIND_I);
10122 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoVTable, klass));
10123 mono_mb_emit_byte (mb, CEE_LDIND_I);
10124 mono_mb_emit_stloc (mb, vklass);
10126 /* if (vklass->idepth < aklass->idepth) goto failue */
10127 mono_mb_emit_ldloc (mb, vklass);
10128 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoClass, idepth));
10129 mono_mb_emit_byte (mb, CEE_LDIND_U2);
10131 mono_mb_emit_ldloc (mb, aklass);
10132 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoClass, idepth));
10133 mono_mb_emit_byte (mb, CEE_LDIND_U2);
10135 b2 = mono_mb_emit_branch (mb, CEE_BLT_UN);
10137 /* if (vklass->supertypes [aklass->idepth - 1] != aklass) goto failure */
10138 mono_mb_emit_ldloc (mb, vklass);
10139 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoClass, supertypes));
10140 mono_mb_emit_byte (mb, CEE_LDIND_I);
10142 mono_mb_emit_ldloc (mb, aklass);
10143 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoClass, idepth));
10144 mono_mb_emit_byte (mb, CEE_LDIND_U2);
10145 mono_mb_emit_icon (mb, 1);
10146 mono_mb_emit_byte (mb, CEE_SUB);
10147 mono_mb_emit_icon (mb, sizeof (void*));
10148 mono_mb_emit_byte (mb, CEE_MUL);
10149 mono_mb_emit_byte (mb, CEE_ADD);
10150 mono_mb_emit_byte (mb, CEE_LDIND_I);
10152 mono_mb_emit_ldloc (mb, aklass);
10154 b3 = mono_mb_emit_branch (mb, CEE_BNE_UN);
10156 copy_pos = mono_mb_get_label (mb);
10158 mono_mb_patch_branch (mb, b1);
10159 mono_mb_emit_ldloc (mb, array_slot_addr);
10160 mono_mb_emit_ldarg (mb, 2);
10161 mono_mb_emit_byte (mb, CEE_STIND_REF);
10163 mono_mb_emit_byte (mb, CEE_RET);
10166 mono_mb_patch_branch (mb, b2);
10167 mono_mb_patch_branch (mb, b3);
10169 mono_mb_emit_ldarg (mb, 2);
10170 mono_mb_emit_ldloc (mb, aklass);
10171 mono_mb_emit_icall (mb, mono_object_isinst_icall);
10173 b4 = mono_mb_emit_branch (mb, CEE_BRTRUE);
10174 mono_mb_patch_addr (mb, b4, copy_pos - (b4 + 4));
10175 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
10177 mono_mb_emit_byte (mb, CEE_RET);
10179 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NONE);
10180 ret = mono_mb_create (mb, sig, 4, info);
10187 * mono_marshal_get_gsharedvt_in_wrapper:
10189 * This wrapper handles calls from normal code to gsharedvt code.
10192 mono_marshal_get_gsharedvt_in_wrapper (void)
10194 static MonoMethod* ret = NULL;
10195 MonoMethodSignature *sig;
10196 MonoMethodBuilder *mb;
10202 mb = mono_mb_new (mono_defaults.object_class, "gsharedvt_in", MONO_WRAPPER_UNKNOWN);
10204 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
10205 sig->ret = &mono_defaults.void_class->byval_arg;
10207 #ifndef DISABLE_JIT
10209 * The body is generated by the JIT, we use a wrapper instead of a trampoline so EH works.
10211 mono_mb_emit_byte (mb, CEE_RET);
10213 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_GSHAREDVT_IN);
10214 ret = mono_mb_create (mb, sig, 4, info);
10221 * mono_marshal_get_gsharedvt_out_wrapper:
10223 * This wrapper handles calls from gsharedvt code to normal code.
10226 mono_marshal_get_gsharedvt_out_wrapper (void)
10228 static MonoMethod* ret = NULL;
10229 MonoMethodSignature *sig;
10230 MonoMethodBuilder *mb;
10236 mb = mono_mb_new (mono_defaults.object_class, "gsharedvt_out", MONO_WRAPPER_UNKNOWN);
10238 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
10239 sig->ret = &mono_defaults.void_class->byval_arg;
10241 #ifndef DISABLE_JIT
10243 * The body is generated by the JIT, we use a wrapper instead of a trampoline so EH works.
10245 mono_mb_emit_byte (mb, CEE_RET);
10247 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_GSHAREDVT_OUT);
10248 ret = mono_mb_create (mb, sig, 4, info);
10257 MonoMethod *method;
10260 /* LOCKING: vars accessed under the marshal lock */
10261 static ArrayElemAddr *elem_addr_cache = NULL;
10262 static int elem_addr_cache_size = 0;
10263 static int elem_addr_cache_next = 0;
10266 * mono_marshal_get_array_address:
10267 * @rank: rank of the array type
10268 * @elem_size: size in bytes of an element of an array.
10270 * Returns a MonoMethod that implements the code to get the address
10271 * of an element in a multi-dimenasional array of @rank dimensions.
10272 * The returned method takes an array as the first argument and then
10273 * @rank indexes for the @rank dimensions.
10274 * If ELEM_SIZE is 0, read the array size from the array object.
10277 mono_marshal_get_array_address (int rank, int elem_size)
10280 MonoMethodBuilder *mb;
10281 MonoMethodSignature *sig;
10284 int i, bounds, ind, realidx;
10285 int branch_pos, *branch_positions;
10289 mono_marshal_lock ();
10290 for (i = 0; i < elem_addr_cache_next; ++i) {
10291 if (elem_addr_cache [i].rank == rank && elem_addr_cache [i].elem_size == elem_size) {
10292 ret = elem_addr_cache [i].method;
10296 mono_marshal_unlock ();
10300 branch_positions = g_new0 (int, rank);
10302 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1 + rank);
10304 /* void* address (void* array, int idx0, int idx1, int idx2, ...) */
10305 sig->ret = &mono_defaults.int_class->byval_arg;
10306 sig->params [0] = &mono_defaults.object_class->byval_arg;
10307 for (i = 0; i < rank; ++i) {
10308 sig->params [i + 1] = &mono_defaults.int32_class->byval_arg;
10311 name = g_strdup_printf ("ElementAddr_%d", elem_size);
10312 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_MANAGED_TO_MANAGED);
10315 #ifndef DISABLE_JIT
10316 bounds = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10317 ind = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
10318 realidx = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
10320 /* bounds = array->bounds; */
10321 mono_mb_emit_ldarg (mb, 0);
10322 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoArray, bounds));
10323 mono_mb_emit_byte (mb, CEE_LDIND_I);
10324 mono_mb_emit_stloc (mb, bounds);
10326 /* ind is the overall element index, realidx is the partial index in a single dimension */
10327 /* ind = idx0 - bounds [0].lower_bound */
10328 mono_mb_emit_ldarg (mb, 1);
10329 mono_mb_emit_ldloc (mb, bounds);
10330 mono_mb_emit_icon (mb, MONO_STRUCT_OFFSET (MonoArrayBounds, lower_bound));
10331 mono_mb_emit_byte (mb, CEE_ADD);
10332 mono_mb_emit_byte (mb, CEE_LDIND_I4);
10333 mono_mb_emit_byte (mb, CEE_SUB);
10334 mono_mb_emit_stloc (mb, ind);
10335 /* if (ind >= bounds [0].length) goto exeception; */
10336 mono_mb_emit_ldloc (mb, ind);
10337 mono_mb_emit_ldloc (mb, bounds);
10338 mono_mb_emit_icon (mb, MONO_STRUCT_OFFSET (MonoArrayBounds, length));
10339 mono_mb_emit_byte (mb, CEE_ADD);
10340 mono_mb_emit_byte (mb, CEE_LDIND_I4);
10341 /* note that we use unsigned comparison */
10342 branch_pos = mono_mb_emit_branch (mb, CEE_BGE_UN);
10344 /* For large ranks (> 4?) use a loop n IL later to reduce code size.
10345 * We could also decide to ignore the passed elem_size and get it
10346 * from the array object, to reduce the number of methods we generate:
10347 * the additional cost is 3 memory loads and a non-immediate mul.
10349 for (i = 1; i < rank; ++i) {
10350 /* realidx = idxi - bounds [i].lower_bound */
10351 mono_mb_emit_ldarg (mb, 1 + i);
10352 mono_mb_emit_ldloc (mb, bounds);
10353 mono_mb_emit_icon (mb, (i * sizeof (MonoArrayBounds)) + MONO_STRUCT_OFFSET (MonoArrayBounds, lower_bound));
10354 mono_mb_emit_byte (mb, CEE_ADD);
10355 mono_mb_emit_byte (mb, CEE_LDIND_I4);
10356 mono_mb_emit_byte (mb, CEE_SUB);
10357 mono_mb_emit_stloc (mb, realidx);
10358 /* if (realidx >= bounds [i].length) goto exeception; */
10359 mono_mb_emit_ldloc (mb, realidx);
10360 mono_mb_emit_ldloc (mb, bounds);
10361 mono_mb_emit_icon (mb, (i * sizeof (MonoArrayBounds)) + MONO_STRUCT_OFFSET (MonoArrayBounds, length));
10362 mono_mb_emit_byte (mb, CEE_ADD);
10363 mono_mb_emit_byte (mb, CEE_LDIND_I4);
10364 branch_positions [i] = mono_mb_emit_branch (mb, CEE_BGE_UN);
10365 /* ind = ind * bounds [i].length + realidx */
10366 mono_mb_emit_ldloc (mb, ind);
10367 mono_mb_emit_ldloc (mb, bounds);
10368 mono_mb_emit_icon (mb, (i * sizeof (MonoArrayBounds)) + MONO_STRUCT_OFFSET (MonoArrayBounds, length));
10369 mono_mb_emit_byte (mb, CEE_ADD);
10370 mono_mb_emit_byte (mb, CEE_LDIND_I4);
10371 mono_mb_emit_byte (mb, CEE_MUL);
10372 mono_mb_emit_ldloc (mb, realidx);
10373 mono_mb_emit_byte (mb, CEE_ADD);
10374 mono_mb_emit_stloc (mb, ind);
10377 /* return array->vector + ind * element_size */
10378 mono_mb_emit_ldarg (mb, 0);
10379 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoArray, vector));
10380 mono_mb_emit_ldloc (mb, ind);
10382 mono_mb_emit_icon (mb, elem_size);
10384 /* Load arr->vtable->klass->sizes.element_class */
10385 mono_mb_emit_ldarg (mb, 0);
10386 mono_mb_emit_byte (mb, CEE_CONV_I);
10387 mono_mb_emit_icon (mb, MONO_STRUCT_OFFSET (MonoObject, vtable));
10388 mono_mb_emit_byte (mb, CEE_ADD);
10389 mono_mb_emit_byte (mb, CEE_LDIND_I);
10390 mono_mb_emit_icon (mb, MONO_STRUCT_OFFSET (MonoVTable, klass));
10391 mono_mb_emit_byte (mb, CEE_ADD);
10392 mono_mb_emit_byte (mb, CEE_LDIND_I);
10393 /* sizes is an union, so this reads sizes.element_size */
10394 mono_mb_emit_icon (mb, MONO_STRUCT_OFFSET (MonoClass, sizes));
10395 mono_mb_emit_byte (mb, CEE_ADD);
10396 mono_mb_emit_byte (mb, CEE_LDIND_I4);
10398 mono_mb_emit_byte (mb, CEE_MUL);
10399 mono_mb_emit_byte (mb, CEE_ADD);
10400 mono_mb_emit_byte (mb, CEE_RET);
10402 /* patch the branches to get here and throw */
10403 for (i = 1; i < rank; ++i) {
10404 mono_mb_patch_branch (mb, branch_positions [i]);
10406 mono_mb_patch_branch (mb, branch_pos);
10407 /* throw exception */
10408 mono_mb_emit_exception (mb, "IndexOutOfRangeException", NULL);
10410 g_free (branch_positions);
10411 #endif /* DISABLE_JIT */
10413 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_ELEMENT_ADDR);
10414 info->d.element_addr.rank = rank;
10415 info->d.element_addr.elem_size = elem_size;
10416 ret = mono_mb_create (mb, sig, 4, info);
10419 /* cache the result */
10421 mono_marshal_lock ();
10422 for (i = 0; i < elem_addr_cache_next; ++i) {
10423 if (elem_addr_cache [i].rank == rank && elem_addr_cache [i].elem_size == elem_size) {
10424 /* FIXME: free ret */
10425 ret = elem_addr_cache [i].method;
10431 if (elem_addr_cache_next >= elem_addr_cache_size) {
10432 int new_size = elem_addr_cache_size + 4;
10433 ArrayElemAddr *new_array = g_new0 (ArrayElemAddr, new_size);
10434 memcpy (new_array, elem_addr_cache, elem_addr_cache_size * sizeof (ArrayElemAddr));
10435 g_free (elem_addr_cache);
10436 elem_addr_cache = new_array;
10437 elem_addr_cache_size = new_size;
10439 elem_addr_cache [elem_addr_cache_next].rank = rank;
10440 elem_addr_cache [elem_addr_cache_next].elem_size = elem_size;
10441 elem_addr_cache [elem_addr_cache_next].method = ret;
10442 elem_addr_cache_next ++;
10444 mono_marshal_unlock ();
10449 * mono_marshal_get_array_accessor_wrapper:
10451 * Return a wrapper which just calls METHOD, which should be an Array Get/Set/Address method.
10454 mono_marshal_get_array_accessor_wrapper (MonoMethod *method)
10456 MonoMethodSignature *sig;
10457 MonoMethodBuilder *mb;
10461 MonoGenericContext *ctx = NULL;
10462 MonoMethod *orig_method = NULL;
10463 MonoGenericContainer *container = NULL;
10467 * These wrappers are needed to avoid the JIT replacing the calls to these methods with intrinsics
10468 * inside runtime invoke wrappers, thereby making the wrappers not unshareable.
10469 * FIXME: Use generic methods.
10476 g_assert_not_reached ();
10478 cache = get_cache (&method->klass->image->array_accessor_cache, mono_aligned_addr_hash, NULL);
10479 if ((res = mono_marshal_find_in_cache (cache, method)))
10483 sig = mono_metadata_signature_dup_full (method->klass->image, mono_method_signature (method));
10486 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_UNKNOWN);
10488 #ifndef DISABLE_JIT
10489 /* Call the method */
10491 mono_mb_emit_ldarg (mb, 0);
10492 for (i = 0; i < sig->param_count; i++)
10493 mono_mb_emit_ldarg (mb, i + (sig->hasthis == TRUE));
10497 mono_mb_emit_managed_call (mb, mono_class_inflate_generic_method_checked (method, &container->context, &error), NULL);
10498 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
10500 mono_mb_emit_managed_call (mb, method, NULL);
10502 mono_mb_emit_byte (mb, CEE_RET);
10505 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_ARRAY_ACCESSOR);
10506 info->d.array_accessor.method = method;
10510 def = mono_mb_create_and_cache_full (cache, method, mb, sig, sig->param_count + 16, info, NULL);
10511 res = cache_generic_wrapper (cache, orig_method, def, ctx, orig_method);
10513 res = mono_mb_create_and_cache_full (cache, method,
10514 mb, sig, sig->param_count + 16,
10523 static inline void*
10524 mono_marshal_alloc_co_task_mem (size_t size)
10526 if ((gulong)size == 0)
10527 /* This returns a valid pointer for size 0 on MS.NET */
10530 return g_try_malloc ((gulong)size);
10535 mono_marshal_alloc (gulong size, MonoError *error)
10539 mono_error_init (error);
10541 res = mono_marshal_alloc_co_task_mem (size);
10543 mono_error_set_out_of_memory (error, "Could not allocate %lu bytes", size);
10548 /* This is a JIT icall, it sets the pending exception and returns NULL on error. */
10550 ves_icall_marshal_alloc (gulong size)
10553 void *ret = mono_marshal_alloc (size, &error);
10554 if (!mono_error_ok (&error)) {
10555 mono_error_set_pending_exception (&error);
10564 mono_marshal_free_co_task_mem (void *ptr)
10572 mono_marshal_free (gpointer ptr)
10574 mono_marshal_free_co_task_mem (ptr);
10578 mono_marshal_free_array (gpointer *ptr, int size)
10585 for (i = 0; i < size; i++)
10591 mono_marshal_string_to_utf16 (MonoString *s)
10593 return s ? mono_string_chars (s) : NULL;
10596 /* This is a JIT icall, it sets the pending exception and returns NULL on error. */
10598 mono_marshal_string_to_utf16_copy (MonoString *s)
10604 gunichar2 *res = (gunichar2 *)mono_marshal_alloc ((mono_string_length (s) * 2) + 2, &error);
10605 if (!mono_error_ok (&error)) {
10606 mono_error_set_pending_exception (&error);
10609 memcpy (res, mono_string_chars (s), mono_string_length (s) * 2);
10610 res [mono_string_length (s)] = 0;
10616 * mono_marshal_set_last_error:
10618 * This function is invoked to set the last error value from a P/Invoke call
10619 * which has SetLastError set.
10622 mono_marshal_set_last_error (void)
10625 mono_native_tls_set_value (last_error_tls_id, GINT_TO_POINTER (GetLastError ()));
10627 mono_native_tls_set_value (last_error_tls_id, GINT_TO_POINTER (errno));
10632 mono_marshal_set_last_error_windows (int error)
10635 mono_native_tls_set_value (last_error_tls_id, GINT_TO_POINTER (error));
10640 ves_icall_System_Runtime_InteropServices_Marshal_copy_to_unmanaged (MonoArray *src, gint32 start_index,
10641 gpointer dest, gint32 length)
10646 MONO_CHECK_ARG_NULL (src,);
10647 MONO_CHECK_ARG_NULL (dest,);
10649 if (src->obj.vtable->klass->rank != 1) {
10650 mono_set_pending_exception (mono_get_exception_argument ("array", "array is multi-dimensional"));
10653 if (start_index < 0) {
10654 mono_set_pending_exception (mono_get_exception_argument ("startIndex", "Must be >= 0"));
10658 mono_set_pending_exception (mono_get_exception_argument ("length", "Must be >= 0"));
10661 if (start_index + length > mono_array_length (src)) {
10662 mono_set_pending_exception (mono_get_exception_argument ("length", "start_index + length > array length"));
10666 element_size = mono_array_element_size (src->obj.vtable->klass);
10668 /* no references should be involved */
10669 source_addr = mono_array_addr_with_size_fast (src, element_size, start_index);
10671 memcpy (dest, source_addr, length * element_size);
10675 ves_icall_System_Runtime_InteropServices_Marshal_copy_from_unmanaged (gpointer src, gint32 start_index,
10676 MonoArray *dest, gint32 length)
10681 MONO_CHECK_ARG_NULL (src,);
10682 MONO_CHECK_ARG_NULL (dest,);
10684 if (dest->obj.vtable->klass->rank != 1) {
10685 mono_set_pending_exception (mono_get_exception_argument ("array", "array is multi-dimensional"));
10688 if (start_index < 0) {
10689 mono_set_pending_exception (mono_get_exception_argument ("startIndex", "Must be >= 0"));
10693 mono_set_pending_exception (mono_get_exception_argument ("length", "Must be >= 0"));
10696 if (start_index + length > mono_array_length (dest)) {
10697 mono_set_pending_exception (mono_get_exception_argument ("length", "start_index + length > array length"));
10700 element_size = mono_array_element_size (dest->obj.vtable->klass);
10702 /* no references should be involved */
10703 dest_addr = mono_array_addr_with_size_fast (dest, element_size, start_index);
10705 memcpy (dest_addr, src, length * element_size);
10709 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringAnsi (char *ptr)
10714 return mono_string_new (mono_domain_get (), ptr);
10718 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringAnsi_len (char *ptr, gint32 len)
10721 MonoString *result = NULL;
10722 mono_error_init (&error);
10724 mono_error_set_argument_null (&error, "ptr", "");
10726 result = mono_string_new_len_checked (mono_domain_get (), ptr, len, &error);
10727 mono_error_set_pending_exception (&error);
10732 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringUni (guint16 *ptr)
10735 MonoString *res = NULL;
10736 MonoDomain *domain = mono_domain_get ();
10746 res = mono_string_new_utf16_checked (domain, ptr, len, &error);
10747 if (!mono_error_ok (&error)) {
10748 mono_error_set_pending_exception (&error);
10755 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringUni_len (guint16 *ptr, gint32 len)
10758 MonoString *res = NULL;
10759 MonoDomain *domain = mono_domain_get ();
10761 mono_error_init (&error);
10765 mono_error_set_argument_null (&error, "ptr", "");
10767 res = mono_string_new_utf16_checked (domain, ptr, len, &error);
10770 if (!mono_error_ok (&error))
10771 mono_error_set_pending_exception (&error);
10776 ves_icall_System_Runtime_InteropServices_Marshal_GetLastWin32Error (void)
10778 return (GPOINTER_TO_INT (mono_native_tls_get_value (last_error_tls_id)));
10782 ves_icall_System_Runtime_InteropServices_Marshal_SizeOf (MonoReflectionType *rtype)
10788 MONO_CHECK_ARG_NULL (rtype, 0);
10790 type = rtype->type;
10791 klass = mono_class_from_mono_type (type);
10792 if (!mono_class_init (klass)) {
10793 mono_set_pending_exception (mono_class_get_exception_for_failure (klass));
10797 layout = (mono_class_get_flags (klass) & TYPE_ATTRIBUTE_LAYOUT_MASK);
10799 if (type->type == MONO_TYPE_PTR || type->type == MONO_TYPE_FNPTR) {
10800 return sizeof (gpointer);
10801 } else if (layout == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
10803 MonoException *exc;
10805 msg = g_strdup_printf ("Type %s cannot be marshaled as an unmanaged structure.", klass->name);
10806 exc = mono_get_exception_argument ("t", msg);
10808 mono_set_pending_exception (exc);
10812 return mono_class_native_size (klass, NULL);
10816 ves_icall_System_Runtime_InteropServices_Marshal_StructureToPtr (MonoObject *obj, gpointer dst, MonoBoolean delete_old)
10819 MonoMethod *method;
10822 MONO_CHECK_ARG_NULL (obj,);
10823 MONO_CHECK_ARG_NULL (dst,);
10825 method = mono_marshal_get_struct_to_ptr (obj->vtable->klass);
10829 pa [2] = &delete_old;
10831 mono_runtime_invoke_checked (method, NULL, pa, &error);
10832 if (!mono_error_ok (&error))
10833 mono_error_set_pending_exception (&error);
10837 ptr_to_structure (gpointer src, MonoObject *dst, MonoError *error)
10839 MonoMethod *method;
10842 mono_error_init (error);
10844 method = mono_marshal_get_ptr_to_struct (dst->vtable->klass);
10849 mono_runtime_invoke_checked (method, NULL, pa, error);
10853 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure (gpointer src, MonoObject *dst)
10858 MONO_CHECK_ARG_NULL (src,);
10859 MONO_CHECK_ARG_NULL (dst,);
10861 t = mono_type_get_underlying_type (mono_class_get_type (dst->vtable->klass));
10863 if (t->type == MONO_TYPE_VALUETYPE) {
10864 MonoException *exc;
10867 tmp = g_strdup_printf ("Destination is a boxed value type.");
10868 exc = mono_get_exception_argument ("dst", tmp);
10871 mono_set_pending_exception (exc);
10875 ptr_to_structure (src, dst, &error);
10876 if (!mono_error_ok (&error))
10877 mono_error_set_pending_exception (&error);
10881 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure_type (gpointer src, MonoReflectionType *type)
10885 MonoDomain *domain = mono_domain_get ();
10890 MONO_CHECK_ARG_NULL (type, NULL);
10892 klass = mono_class_from_mono_type (type->type);
10893 if (!mono_class_init (klass)) {
10894 mono_set_pending_exception (mono_class_get_exception_for_failure (klass));
10898 res = mono_object_new_checked (domain, klass, &error);
10899 if (!mono_error_ok (&error)) {
10900 mono_error_set_pending_exception (&error);
10904 ptr_to_structure (src, res, &error);
10905 if (!mono_error_ok (&error)) {
10906 mono_error_set_pending_exception (&error);
10914 ves_icall_System_Runtime_InteropServices_Marshal_OffsetOf (MonoReflectionType *type, MonoString *field_name)
10917 MonoMarshalType *info;
10920 int match_index = -1;
10922 MONO_CHECK_ARG_NULL (type, 0);
10923 MONO_CHECK_ARG_NULL (field_name, 0);
10925 fname = mono_string_to_utf8_checked (field_name, &error);
10926 if (mono_error_set_pending_exception (&error))
10928 klass = mono_class_from_mono_type (type->type);
10929 if (!mono_class_init (klass)) {
10930 mono_set_pending_exception (mono_class_get_exception_for_failure (klass));
10934 while (klass && match_index == -1) {
10935 MonoClassField* field;
10937 gpointer iter = NULL;
10938 while ((field = mono_class_get_fields (klass, &iter))) {
10939 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
10941 if (!strcmp (fname, mono_field_get_name (field))) {
10948 if (match_index == -1)
10949 klass = klass->parent;
10954 if(match_index == -1) {
10955 MonoException* exc;
10958 /* Get back original class instance */
10959 klass = mono_class_from_mono_type (type->type);
10961 tmp = g_strdup_printf ("Field passed in is not a marshaled member of the type %s", klass->name);
10962 exc = mono_get_exception_argument ("fieldName", tmp);
10965 mono_set_pending_exception ((MonoException*)exc);
10969 info = mono_marshal_load_type_info (klass);
10970 return info->fields [match_index].offset;
10975 ves_icall_System_Runtime_InteropServices_Marshal_StringToHGlobalAnsi (MonoString *string)
10978 char *ret = mono_string_to_utf8_checked (string, &error);
10979 mono_error_set_pending_exception (&error);
10984 ves_icall_System_Runtime_InteropServices_Marshal_StringToHGlobalUni (MonoString *string)
10986 if (string == NULL)
10989 gunichar2 *res = (gunichar2 *)g_malloc ((mono_string_length (string) + 1) * 2);
10991 memcpy (res, mono_string_chars (string), mono_string_length (string) * 2);
10992 res [mono_string_length (string)] = 0;
10996 #endif /* !HOST_WIN32 */
10999 mono_struct_delete_old (MonoClass *klass, char *ptr)
11001 MonoMarshalType *info;
11004 info = mono_marshal_load_type_info (klass);
11006 for (i = 0; i < info->num_fields; i++) {
11007 MonoMarshalConv conv;
11008 MonoType *ftype = info->fields [i].field->type;
11011 if (ftype->attrs & FIELD_ATTRIBUTE_STATIC)
11014 mono_type_to_unmanaged (ftype, info->fields [i].mspec, TRUE,
11015 klass->unicode, &conv);
11017 cpos = ptr + info->fields [i].offset;
11020 case MONO_MARSHAL_CONV_NONE:
11021 if (MONO_TYPE_ISSTRUCT (ftype)) {
11022 mono_struct_delete_old (ftype->data.klass, cpos);
11026 case MONO_MARSHAL_CONV_STR_LPWSTR:
11027 /* We assume this field points inside a MonoString */
11029 case MONO_MARSHAL_CONV_STR_LPTSTR:
11030 #ifdef TARGET_WIN32
11031 /* We assume this field points inside a MonoString
11035 case MONO_MARSHAL_CONV_STR_LPSTR:
11036 case MONO_MARSHAL_CONV_STR_BSTR:
11037 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
11038 case MONO_MARSHAL_CONV_STR_TBSTR:
11039 case MONO_MARSHAL_CONV_STR_UTF8STR:
11040 mono_marshal_free (*(gpointer *)cpos);
11050 ves_icall_System_Runtime_InteropServices_Marshal_DestroyStructure (gpointer src, MonoReflectionType *type)
11054 MONO_CHECK_ARG_NULL (src,);
11055 MONO_CHECK_ARG_NULL (type,);
11057 klass = mono_class_from_mono_type (type->type);
11058 if (!mono_class_init (klass)) {
11059 mono_set_pending_exception (mono_class_get_exception_for_failure (klass));
11063 mono_struct_delete_old (klass, (char *)src);
11067 static inline void *
11068 mono_marshal_alloc_hglobal (size_t size)
11070 return g_try_malloc (size);
11075 ves_icall_System_Runtime_InteropServices_Marshal_AllocHGlobal (gpointer size)
11078 size_t s = (size_t)size;
11081 /* This returns a valid pointer for size 0 on MS.NET */
11084 res = mono_marshal_alloc_hglobal (s);
11087 mono_set_pending_exception (mono_domain_get ()->out_of_memory_ex);
11095 static inline gpointer
11096 mono_marshal_realloc_hglobal (gpointer ptr, size_t size)
11098 return g_try_realloc (ptr, size);
11103 ves_icall_System_Runtime_InteropServices_Marshal_ReAllocHGlobal (gpointer ptr, gpointer size)
11106 size_t s = (size_t)size;
11109 mono_set_pending_exception (mono_domain_get ()->out_of_memory_ex);
11113 res = mono_marshal_realloc_hglobal (ptr, s);
11116 mono_set_pending_exception (mono_domain_get ()->out_of_memory_ex);
11125 mono_marshal_free_hglobal (gpointer ptr)
11133 ves_icall_System_Runtime_InteropServices_Marshal_FreeHGlobal (void *ptr)
11135 mono_marshal_free_hglobal (ptr);
11139 ves_icall_System_Runtime_InteropServices_Marshal_AllocCoTaskMem (int size)
11141 void *res = mono_marshal_alloc_co_task_mem (size);
11144 mono_set_pending_exception (mono_domain_get ()->out_of_memory_ex);
11151 ves_icall_System_Runtime_InteropServices_Marshal_AllocCoTaskMemSize (gulong size)
11153 void *res = mono_marshal_alloc_co_task_mem (size);
11156 mono_set_pending_exception (mono_domain_get ()->out_of_memory_ex);
11163 ves_icall_System_Runtime_InteropServices_Marshal_FreeCoTaskMem (void *ptr)
11165 mono_marshal_free_co_task_mem (ptr);
11170 static inline gpointer
11171 mono_marshal_realloc_co_task_mem (gpointer ptr, size_t size)
11173 return g_try_realloc (ptr, (gulong)size);
11178 ves_icall_System_Runtime_InteropServices_Marshal_ReAllocCoTaskMem (gpointer ptr, int size)
11180 void *res = mono_marshal_realloc_co_task_mem (ptr, size);
11183 mono_set_pending_exception (mono_domain_get ()->out_of_memory_ex);
11190 ves_icall_System_Runtime_InteropServices_Marshal_UnsafeAddrOfPinnedArrayElement (MonoArray *arrayobj, int index)
11192 return mono_array_addr_with_size_fast (arrayobj, mono_array_element_size (arrayobj->obj.vtable->klass), index);
11196 ves_icall_System_Runtime_InteropServices_Marshal_GetDelegateForFunctionPointerInternal (void *ftn, MonoReflectionType *type)
11198 MonoClass *klass = mono_type_get_class (type->type);
11199 if (!mono_class_init (klass)) {
11200 mono_set_pending_exception (mono_class_get_exception_for_failure (klass));
11204 return mono_ftnptr_to_delegate (klass, ftn);
11208 ves_icall_System_Runtime_InteropServices_Marshal_GetFunctionPointerForDelegateInternal (MonoDelegate *delegate)
11210 return mono_delegate_to_ftnptr (delegate);
11214 * mono_marshal_is_loading_type_info:
11216 * Return whenever mono_marshal_load_type_info () is being executed for KLASS by this
11220 mono_marshal_is_loading_type_info (MonoClass *klass)
11222 GSList *loads_list = (GSList *)mono_native_tls_get_value (load_type_info_tls_id);
11224 return g_slist_find (loads_list, klass) != NULL;
11228 * mono_marshal_load_type_info:
11230 * Initialize klass->marshal_info using information from metadata. This function can
11231 * recursively call itself, and the caller is responsible to avoid that by calling
11232 * mono_marshal_is_loading_type_info () beforehand.
11234 * LOCKING: Acquires the loader lock.
11237 mono_marshal_load_type_info (MonoClass* klass)
11240 guint32 native_size = 0, min_align = 1, packing;
11241 MonoMarshalType *info;
11242 MonoClassField* field;
11245 GSList *loads_list;
11247 g_assert (klass != NULL);
11249 if (klass->marshal_info)
11250 return klass->marshal_info;
11252 if (!klass->inited)
11253 mono_class_init (klass);
11255 if (klass->marshal_info)
11256 return klass->marshal_info;
11259 * This function can recursively call itself, so we keep the list of classes which are
11260 * under initialization in a TLS list.
11262 g_assert (!mono_marshal_is_loading_type_info (klass));
11263 loads_list = (GSList *)mono_native_tls_get_value (load_type_info_tls_id);
11264 loads_list = g_slist_prepend (loads_list, klass);
11265 mono_native_tls_set_value (load_type_info_tls_id, loads_list);
11268 while ((field = mono_class_get_fields (klass, &iter))) {
11269 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
11271 if (mono_field_is_deleted (field))
11276 layout = mono_class_get_flags (klass) & TYPE_ATTRIBUTE_LAYOUT_MASK;
11278 /* The mempool is protected by the loader lock */
11279 info = (MonoMarshalType *)mono_image_alloc0 (klass->image, MONO_SIZEOF_MARSHAL_TYPE + sizeof (MonoMarshalField) * count);
11280 info->num_fields = count;
11282 /* Try to find a size for this type in metadata */
11283 mono_metadata_packing_from_typedef (klass->image, klass->type_token, NULL, &native_size);
11285 if (klass->parent) {
11286 int parent_size = mono_class_native_size (klass->parent, NULL);
11288 /* Add parent size to real size */
11289 native_size += parent_size;
11290 info->native_size = parent_size;
11293 packing = klass->packing_size ? klass->packing_size : 8;
11296 while ((field = mono_class_get_fields (klass, &iter))) {
11300 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
11303 if (mono_field_is_deleted (field))
11305 if (field->type->attrs & FIELD_ATTRIBUTE_HAS_FIELD_MARSHAL)
11306 mono_metadata_field_info_with_mempool (klass->image, mono_metadata_token_index (mono_class_get_field_token (field)) - 1,
11307 NULL, NULL, &info->fields [j].mspec);
11309 info->fields [j].field = field;
11311 if ((mono_class_num_fields (klass) == 1) && (klass->instance_size == sizeof (MonoObject)) &&
11312 (strcmp (mono_field_get_name (field), "$PRIVATE$") == 0)) {
11313 /* This field is a hack inserted by MCS to empty structures */
11318 case TYPE_ATTRIBUTE_AUTO_LAYOUT:
11319 case TYPE_ATTRIBUTE_SEQUENTIAL_LAYOUT:
11320 size = mono_marshal_type_size (field->type, info->fields [j].mspec,
11321 &align, TRUE, klass->unicode);
11322 align = klass->packing_size ? MIN (klass->packing_size, align): align;
11323 min_align = MAX (align, min_align);
11324 info->fields [j].offset = info->native_size;
11325 info->fields [j].offset += align - 1;
11326 info->fields [j].offset &= ~(align - 1);
11327 info->native_size = info->fields [j].offset + size;
11329 case TYPE_ATTRIBUTE_EXPLICIT_LAYOUT:
11330 size = mono_marshal_type_size (field->type, info->fields [j].mspec,
11331 &align, TRUE, klass->unicode);
11332 min_align = MAX (align, min_align);
11333 info->fields [j].offset = field->offset - sizeof (MonoObject);
11334 info->native_size = MAX (info->native_size, info->fields [j].offset + size);
11340 if (klass->byval_arg.type == MONO_TYPE_PTR)
11341 info->native_size = sizeof (gpointer);
11343 if (layout != TYPE_ATTRIBUTE_AUTO_LAYOUT) {
11344 info->native_size = MAX (native_size, info->native_size);
11346 * If the provided Size is equal or larger than the calculated size, and there
11347 * was no Pack attribute, we set min_align to 1 to avoid native_size being increased
11349 if (layout == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) {
11350 if (native_size && native_size == info->native_size && klass->packing_size == 0)
11353 min_align = MIN (min_align, packing);
11357 if (info->native_size & (min_align - 1)) {
11358 info->native_size += min_align - 1;
11359 info->native_size &= ~(min_align - 1);
11362 info->min_align = min_align;
11364 /* Update the class's blittable info, if the layouts don't match */
11365 if (info->native_size != mono_class_value_size (klass, NULL))
11366 klass->blittable = FALSE;
11368 /* If this is an array type, ensure that we have element info */
11369 if (klass->rank && !mono_marshal_is_loading_type_info (klass->element_class)) {
11370 mono_marshal_load_type_info (klass->element_class);
11373 loads_list = (GSList *)mono_native_tls_get_value (load_type_info_tls_id);
11374 loads_list = g_slist_remove (loads_list, klass);
11375 mono_native_tls_set_value (load_type_info_tls_id, loads_list);
11377 mono_marshal_lock ();
11378 if (!klass->marshal_info) {
11379 /*We do double-checking locking on marshal_info */
11380 mono_memory_barrier ();
11381 klass->marshal_info = info;
11382 ++class_marshal_info_count;
11384 mono_marshal_unlock ();
11386 return klass->marshal_info;
11390 * mono_class_native_size:
11393 * Returns: the native size of an object instance (when marshaled
11394 * to unmanaged code)
11397 mono_class_native_size (MonoClass *klass, guint32 *align)
11399 if (!klass->marshal_info) {
11400 if (mono_marshal_is_loading_type_info (klass)) {
11405 mono_marshal_load_type_info (klass);
11410 *align = klass->marshal_info->min_align;
11412 return klass->marshal_info->native_size;
11416 * mono_type_native_stack_size:
11417 * @t: the type to return the size it uses on the stack
11419 * Returns: the number of bytes required to hold an instance of this
11420 * type on the native stack
11423 mono_type_native_stack_size (MonoType *t, guint32 *align)
11427 g_assert (t != NULL);
11433 *align = sizeof (gpointer);
11434 return sizeof (gpointer);
11438 case MONO_TYPE_BOOLEAN:
11439 case MONO_TYPE_CHAR:
11450 case MONO_TYPE_STRING:
11451 case MONO_TYPE_OBJECT:
11452 case MONO_TYPE_CLASS:
11453 case MONO_TYPE_SZARRAY:
11454 case MONO_TYPE_PTR:
11455 case MONO_TYPE_FNPTR:
11456 case MONO_TYPE_ARRAY:
11457 *align = sizeof (gpointer);
11458 return sizeof (gpointer);
11463 *align = MONO_ABI_ALIGNOF (double);
11467 *align = MONO_ABI_ALIGNOF (gint64);
11469 case MONO_TYPE_GENERICINST:
11470 if (!mono_type_generic_inst_is_valuetype (t)) {
11471 *align = sizeof (gpointer);
11472 return sizeof (gpointer);
11475 case MONO_TYPE_TYPEDBYREF:
11476 case MONO_TYPE_VALUETYPE: {
11478 MonoClass *klass = mono_class_from_mono_type (t);
11480 if (klass->enumtype)
11481 return mono_type_native_stack_size (mono_class_enum_basetype (klass), align);
11483 size = mono_class_native_size (klass, align);
11484 *align = *align + 3;
11494 g_error ("type 0x%02x unknown", t->type);
11500 mono_marshal_type_size (MonoType *type, MonoMarshalSpec *mspec, guint32 *align,
11501 gboolean as_field, gboolean unicode)
11503 MonoMarshalNative native_type = mono_type_to_unmanaged (type, mspec, as_field, unicode, NULL);
11506 switch (native_type) {
11507 case MONO_NATIVE_BOOLEAN:
11510 case MONO_NATIVE_I1:
11511 case MONO_NATIVE_U1:
11514 case MONO_NATIVE_I2:
11515 case MONO_NATIVE_U2:
11516 case MONO_NATIVE_VARIANTBOOL:
11519 case MONO_NATIVE_I4:
11520 case MONO_NATIVE_U4:
11521 case MONO_NATIVE_ERROR:
11524 case MONO_NATIVE_I8:
11525 case MONO_NATIVE_U8:
11526 *align = MONO_ABI_ALIGNOF (gint64);
11528 case MONO_NATIVE_R4:
11531 case MONO_NATIVE_R8:
11532 *align = MONO_ABI_ALIGNOF (double);
11534 case MONO_NATIVE_INT:
11535 case MONO_NATIVE_UINT:
11536 case MONO_NATIVE_LPSTR:
11537 case MONO_NATIVE_LPWSTR:
11538 case MONO_NATIVE_LPTSTR:
11539 case MONO_NATIVE_BSTR:
11540 case MONO_NATIVE_ANSIBSTR:
11541 case MONO_NATIVE_TBSTR:
11542 case MONO_NATIVE_UTF8STR:
11543 case MONO_NATIVE_LPARRAY:
11544 case MONO_NATIVE_SAFEARRAY:
11545 case MONO_NATIVE_IUNKNOWN:
11546 case MONO_NATIVE_IDISPATCH:
11547 case MONO_NATIVE_INTERFACE:
11548 case MONO_NATIVE_ASANY:
11549 case MONO_NATIVE_FUNC:
11550 case MONO_NATIVE_LPSTRUCT:
11551 *align = MONO_ABI_ALIGNOF (gpointer);
11552 return sizeof (gpointer);
11553 case MONO_NATIVE_STRUCT:
11554 klass = mono_class_from_mono_type (type);
11555 if (klass == mono_defaults.object_class &&
11556 (mspec && mspec->native == MONO_NATIVE_STRUCT)) {
11560 return mono_class_native_size (klass, align);
11561 case MONO_NATIVE_BYVALTSTR: {
11562 int esize = unicode ? 2: 1;
11565 return mspec->data.array_data.num_elem * esize;
11567 case MONO_NATIVE_BYVALARRAY: {
11568 // FIXME: Have to consider ArraySubType
11570 klass = mono_class_from_mono_type (type);
11571 if (klass->element_class == mono_defaults.char_class) {
11572 esize = unicode ? 2 : 1;
11575 esize = mono_class_native_size (klass->element_class, align);
11578 return mspec->data.array_data.num_elem * esize;
11580 case MONO_NATIVE_CUSTOM:
11581 *align = sizeof (gpointer);
11582 return sizeof (gpointer);
11584 case MONO_NATIVE_CURRENCY:
11585 case MONO_NATIVE_VBBYREFSTR:
11587 g_error ("native type %02x not implemented", native_type);
11590 g_assert_not_reached ();
11594 /* This is a JIT icall, it sets the pending exception and return NULL on error */
11596 mono_marshal_asany (MonoObject *o, MonoMarshalNative string_encoding, int param_attrs)
11605 t = &o->vtable->klass->byval_arg;
11609 case MONO_TYPE_PTR:
11612 case MONO_TYPE_BOOLEAN:
11615 case MONO_TYPE_CHAR:
11620 return mono_object_unbox (o);
11622 case MONO_TYPE_STRING:
11623 switch (string_encoding) {
11624 case MONO_NATIVE_LPWSTR:
11625 return mono_marshal_string_to_utf16_copy ((MonoString*)o);
11626 case MONO_NATIVE_LPSTR:
11627 case MONO_NATIVE_UTF8STR:
11628 // Same code path, because in Mono, we treated strings as Utf8
11629 return mono_string_to_utf8str ((MonoString*)o);
11631 g_warning ("marshaling conversion %d not implemented", string_encoding);
11632 g_assert_not_reached ();
11635 case MONO_TYPE_CLASS:
11636 case MONO_TYPE_VALUETYPE: {
11637 MonoMethod *method;
11640 MonoBoolean delete_old = FALSE;
11642 klass = t->data.klass;
11644 if (mono_class_is_auto_layout (klass))
11647 if (klass->valuetype && (mono_class_is_explicit_layout (klass) || klass->blittable || klass->enumtype))
11648 return mono_object_unbox (o);
11650 res = mono_marshal_alloc (mono_class_native_size (klass, NULL), &error);
11651 if (!mono_error_ok (&error)) {
11652 mono_error_set_pending_exception (&error);
11656 if (!((param_attrs & PARAM_ATTRIBUTE_OUT) && !(param_attrs & PARAM_ATTRIBUTE_IN))) {
11657 method = mono_marshal_get_struct_to_ptr (o->vtable->klass);
11661 pa [2] = &delete_old;
11663 mono_runtime_invoke_checked (method, NULL, pa, &error);
11664 if (!mono_error_ok (&error)) {
11665 mono_error_set_pending_exception (&error);
11675 mono_set_pending_exception (mono_get_exception_argument ("", "No PInvoke conversion exists for value passed to Object-typed parameter."));
11679 /* This is a JIT icall, it sets the pending exception */
11681 mono_marshal_free_asany (MonoObject *o, gpointer ptr, MonoMarshalNative string_encoding, int param_attrs)
11690 t = &o->vtable->klass->byval_arg;
11692 case MONO_TYPE_STRING:
11693 switch (string_encoding) {
11694 case MONO_NATIVE_LPWSTR:
11695 case MONO_NATIVE_LPSTR:
11696 case MONO_NATIVE_UTF8STR:
11697 mono_marshal_free (ptr);
11700 g_warning ("marshaling conversion %d not implemented", string_encoding);
11701 g_assert_not_reached ();
11704 case MONO_TYPE_CLASS:
11705 case MONO_TYPE_VALUETYPE: {
11706 klass = t->data.klass;
11708 if (klass->valuetype && (mono_class_is_explicit_layout (klass) || klass->blittable || klass->enumtype))
11711 if (param_attrs & PARAM_ATTRIBUTE_OUT) {
11712 MonoMethod *method = mono_marshal_get_ptr_to_struct (o->vtable->klass);
11718 mono_runtime_invoke_checked (method, NULL, pa, &error);
11719 if (!mono_error_ok (&error)) {
11720 mono_error_set_pending_exception (&error);
11725 if (!((param_attrs & PARAM_ATTRIBUTE_OUT) && !(param_attrs & PARAM_ATTRIBUTE_IN))) {
11726 mono_struct_delete_old (klass, (char *)ptr);
11729 mono_marshal_free (ptr);
11738 mono_marshal_get_generic_array_helper (MonoClass *klass, MonoClass *iface, gchar *name, MonoMethod *method)
11740 MonoMethodSignature *sig, *csig;
11741 MonoMethodBuilder *mb;
11746 mb = mono_mb_new_no_dup_name (klass, name, MONO_WRAPPER_MANAGED_TO_MANAGED);
11747 mb->method->slot = -1;
11749 mb->method->flags = METHOD_ATTRIBUTE_PRIVATE | METHOD_ATTRIBUTE_VIRTUAL |
11750 METHOD_ATTRIBUTE_NEW_SLOT | METHOD_ATTRIBUTE_HIDE_BY_SIG | METHOD_ATTRIBUTE_FINAL;
11752 sig = mono_method_signature (method);
11753 csig = mono_metadata_signature_dup_full (method->klass->image, sig);
11754 csig->generic_param_count = 0;
11756 #ifndef DISABLE_JIT
11757 mono_mb_emit_ldarg (mb, 0);
11758 for (i = 0; i < csig->param_count; i++)
11759 mono_mb_emit_ldarg (mb, i + 1);
11760 mono_mb_emit_managed_call (mb, method, NULL);
11761 mono_mb_emit_byte (mb, CEE_RET);
11763 /* We can corlib internal methods */
11764 mb->skip_visibility = TRUE;
11766 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_GENERIC_ARRAY_HELPER);
11767 info->d.generic_array_helper.method = method;
11768 res = mono_mb_create (mb, csig, csig->param_count + 16, info);
11776 * The mono_win32_compat_* functions are implementations of inline
11777 * Windows kernel32 APIs, which are DllImport-able under MS.NET,
11778 * although not exported by kernel32.
11780 * We map the appropiate kernel32 entries to these functions using
11781 * dllmaps declared in the global etc/mono/config.
11785 mono_win32_compat_CopyMemory (gpointer dest, gconstpointer source, gsize length)
11787 if (!dest || !source)
11790 memcpy (dest, source, length);
11794 mono_win32_compat_FillMemory (gpointer dest, gsize length, guchar fill)
11796 memset (dest, fill, length);
11800 mono_win32_compat_MoveMemory (gpointer dest, gconstpointer source, gsize length)
11802 if (!dest || !source)
11805 memmove (dest, source, length);
11809 mono_win32_compat_ZeroMemory (gpointer dest, gsize length)
11811 memset (dest, 0, length);
11815 mono_marshal_find_nonzero_bit_offset (guint8 *buf, int len, int *byte_offset, guint8 *bitmask)
11820 for (i = 0; i < len; ++i)
11824 g_assert (i < len);
11827 while (byte && !(byte & 1))
11829 g_assert (byte == 1);
11832 *bitmask = buf [i];
11836 mono_marshal_get_thunk_invoke_wrapper (MonoMethod *method)
11838 MonoMethodBuilder *mb;
11839 MonoMethodSignature *sig, *csig;
11840 MonoExceptionClause *clause;
11845 int i, param_count, sig_size, pos_leave;
11849 // FIXME: we need to store the exception into a MonoHandle
11850 g_assert (!mono_threads_is_coop_enabled ());
11852 klass = method->klass;
11853 image = method->klass->image;
11855 cache = get_cache (&mono_method_get_wrapper_cache (method)->thunk_invoke_cache, mono_aligned_addr_hash, NULL);
11857 if ((res = mono_marshal_find_in_cache (cache, method)))
11860 sig = mono_method_signature (method);
11861 mb = mono_mb_new (klass, method->name, MONO_WRAPPER_NATIVE_TO_MANAGED);
11863 /* add "this" and exception param */
11864 param_count = sig->param_count + sig->hasthis + 1;
11866 /* dup & extend signature */
11867 csig = mono_metadata_signature_alloc (image, param_count);
11868 sig_size = MONO_SIZEOF_METHOD_SIGNATURE + sig->param_count * sizeof (MonoType *);
11869 memcpy (csig, sig, sig_size);
11870 csig->param_count = param_count;
11873 csig->call_convention = MONO_CALL_DEFAULT;
11875 if (sig->hasthis) {
11877 csig->params [0] = &klass->byval_arg;
11878 /* move params up by one */
11879 for (i = 0; i < sig->param_count; i++)
11880 csig->params [i + 1] = sig->params [i];
11883 /* setup exception param as byref+[out] */
11884 csig->params [param_count - 1] = mono_metadata_type_dup (image,
11885 &mono_defaults.exception_class->byval_arg);
11886 csig->params [param_count - 1]->byref = 1;
11887 csig->params [param_count - 1]->attrs = PARAM_ATTRIBUTE_OUT;
11889 /* convert struct return to object */
11890 if (MONO_TYPE_ISSTRUCT (sig->ret))
11891 csig->ret = &mono_defaults.object_class->byval_arg;
11893 #ifndef DISABLE_JIT
11894 /* local 0 (temp for exception object) */
11895 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
11897 /* local 1 (temp for result) */
11898 if (!MONO_TYPE_IS_VOID (sig->ret))
11899 mono_mb_add_local (mb, sig->ret);
11901 /* clear exception arg */
11902 mono_mb_emit_ldarg (mb, param_count - 1);
11903 mono_mb_emit_byte (mb, CEE_LDNULL);
11904 mono_mb_emit_byte (mb, CEE_STIND_REF);
11907 clause = (MonoExceptionClause *)mono_image_alloc0 (image, sizeof (MonoExceptionClause));
11908 clause->try_offset = mono_mb_get_label (mb);
11910 /* push method's args */
11911 for (i = 0; i < param_count - 1; i++) {
11915 mono_mb_emit_ldarg (mb, i);
11917 /* get the byval type of the param */
11918 klass = mono_class_from_mono_type (csig->params [i]);
11919 type = &klass->byval_arg;
11921 /* unbox struct args */
11922 if (MONO_TYPE_ISSTRUCT (type)) {
11923 mono_mb_emit_op (mb, CEE_UNBOX, klass);
11925 /* byref args & and the "this" arg must remain a ptr.
11926 Otherwise make a copy of the value type */
11927 if (!(csig->params [i]->byref || (i == 0 && sig->hasthis)))
11928 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
11930 csig->params [i] = &mono_defaults.object_class->byval_arg;
11935 if (method->flags & METHOD_ATTRIBUTE_VIRTUAL)
11936 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
11938 mono_mb_emit_op (mb, CEE_CALL, method);
11940 /* save result at local 1 */
11941 if (!MONO_TYPE_IS_VOID (sig->ret))
11942 mono_mb_emit_stloc (mb, 1);
11944 pos_leave = mono_mb_emit_branch (mb, CEE_LEAVE);
11947 clause->flags = MONO_EXCEPTION_CLAUSE_NONE;
11948 clause->try_len = mono_mb_get_pos (mb) - clause->try_offset;
11949 clause->data.catch_class = mono_defaults.object_class;
11951 clause->handler_offset = mono_mb_get_label (mb);
11953 /* store exception at local 0 */
11954 mono_mb_emit_stloc (mb, 0);
11955 mono_mb_emit_ldarg (mb, param_count - 1);
11956 mono_mb_emit_ldloc (mb, 0);
11957 mono_mb_emit_byte (mb, CEE_STIND_REF);
11958 mono_mb_emit_branch (mb, CEE_LEAVE);
11960 clause->handler_len = mono_mb_get_pos (mb) - clause->handler_offset;
11962 mono_mb_set_clauses (mb, 1, clause);
11964 mono_mb_patch_branch (mb, pos_leave);
11967 if (!MONO_TYPE_IS_VOID (sig->ret)) {
11968 mono_mb_emit_ldloc (mb, 1);
11970 /* box the return value */
11971 if (MONO_TYPE_ISSTRUCT (sig->ret))
11972 mono_mb_emit_op (mb, CEE_BOX, mono_class_from_mono_type (sig->ret));
11975 mono_mb_emit_byte (mb, CEE_RET);
11978 res = mono_mb_create_and_cache (cache, method, mb, csig, param_count + 16);
11985 * mono_marshal_free_dynamic_wrappers:
11987 * Free wrappers of the dynamic method METHOD.
11990 mono_marshal_free_dynamic_wrappers (MonoMethod *method)
11992 MonoImage *image = method->klass->image;
11994 g_assert (method_is_dynamic (method));
11996 /* This could be called during shutdown */
11997 if (marshal_mutex_initialized)
11998 mono_marshal_lock ();
12000 * FIXME: We currently leak the wrappers. Freeing them would be tricky as
12001 * they could be shared with other methods ?
12003 if (image->wrapper_caches.runtime_invoke_direct_cache)
12004 g_hash_table_remove (image->wrapper_caches.runtime_invoke_direct_cache, method);
12005 if (image->wrapper_caches.delegate_abstract_invoke_cache)
12006 g_hash_table_foreach_remove (image->wrapper_caches.delegate_abstract_invoke_cache, signature_pointer_pair_matches_pointer, method);
12007 // FIXME: Need to clear the caches in other images as well
12008 if (image->delegate_bound_static_invoke_cache)
12009 g_hash_table_remove (image->delegate_bound_static_invoke_cache, mono_method_signature (method));
12011 if (marshal_mutex_initialized)
12012 mono_marshal_unlock ();
12016 mono_marshal_ftnptr_eh_callback (guint32 gchandle)
12018 g_assert (ftnptr_eh_callback);
12019 ftnptr_eh_callback (gchandle);
12023 ftnptr_eh_callback_default (guint32 gchandle)
12025 MonoException *exc;
12026 gpointer stackdata;
12028 mono_threads_enter_gc_unsafe_region_unbalanced (&stackdata);
12030 exc = (MonoException*) mono_gchandle_get_target (gchandle);
12032 mono_gchandle_free (gchandle);
12034 mono_raise_exception (exc);
12038 * mono_install_ftnptr_eh_callback:
12040 * Install a callback that should be called when there is a managed exception
12041 * in a native-to-managed wrapper. This is mainly used by iOS to convert a
12042 * managed exception to a native exception, to properly unwind the native
12043 * stack; this native exception will then be converted back to a managed
12044 * exception in their managed-to-native wrapper.
12047 mono_install_ftnptr_eh_callback (MonoFtnPtrEHCallback callback)
12049 ftnptr_eh_callback = callback;
12052 static MonoThreadInfo*
12053 mono_icall_start (HandleStackMark *stackmark, MonoError *error)
12055 MonoThreadInfo *info = mono_thread_info_current ();
12057 mono_stack_mark_init (info, stackmark);
12058 mono_error_init (error);
12063 mono_icall_end (MonoThreadInfo *info, HandleStackMark *stackmark, MonoError *error)
12065 mono_stack_mark_pop (info, stackmark);
12066 mono_error_set_pending_exception (error);