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);
114 mono_string_to_utf8str (MonoString *string_obj);
117 static MonoStringBuilder *
118 mono_string_utf8_to_builder2 (char *text);
120 static MonoStringBuilder *
121 mono_string_utf16_to_builder2 (gunichar2 *text);
124 mono_string_new_len_wrapper (const char *text, guint length);
127 mono_string_from_byvalstr (const char *data, int len);
130 mono_string_from_byvalwstr (gunichar2 *data, int len);
133 mono_byvalarray_to_array (MonoArray *arr, gpointer native_arr, MonoClass *eltype, guint32 elnum);
136 mono_byvalarray_to_byte_array (MonoArray *arr, gpointer native_arr, guint32 elnum);
139 mono_array_to_byvalarray (gpointer native_arr, MonoArray *arr, MonoClass *eltype, guint32 elnum);
142 mono_array_to_byte_byvalarray (gpointer native_arr, MonoArray *arr, guint32 elnum);
144 static MonoAsyncResult *
145 mono_delegate_begin_invoke (MonoDelegate *delegate, gpointer *params);
148 mono_delegate_end_invoke (MonoDelegate *delegate, gpointer *params);
151 mono_marshal_set_last_error_windows (int error);
154 mono_marshal_isinst_with_cache (MonoObject *obj, MonoClass *klass, uintptr_t *cache);
156 static void init_safe_handle (void);
159 ves_icall_marshal_alloc (gulong size);
162 mono_string_utf8_to_builder (MonoStringBuilder *sb, char *text);
165 mono_string_utf16_to_builder (MonoStringBuilder *sb, gunichar2 *text);
168 mono_string_builder_to_utf8 (MonoStringBuilder *sb);
171 mono_string_builder_to_utf16 (MonoStringBuilder *sb);
174 mono_string_to_byvalstr (gpointer dst, MonoString *src, int size);
177 mono_string_to_byvalwstr (gpointer dst, MonoString *src, int size);
180 mono_delegate_to_ftnptr (MonoDelegate *delegate);
183 mono_ftnptr_to_delegate (MonoClass *klass, gpointer ftn);
186 mono_array_to_savearray (MonoArray *array);
189 mono_array_to_lparray (MonoArray *array);
192 mono_free_lparray (MonoArray *array, gpointer* nativeArray);
195 mono_marshal_asany (MonoObject *obj, MonoMarshalNative string_encoding, int param_attrs);
198 mono_marshal_free_asany (MonoObject *o, gpointer ptr, MonoMarshalNative string_encoding, int param_attrs);
201 mono_array_to_savearray (MonoArray *array);
204 mono_array_to_lparray (MonoArray *array);
207 mono_free_lparray (MonoArray *array, gpointer* nativeArray);
210 mono_marshal_ftnptr_eh_callback (guint32 gchandle);
212 static MonoThreadInfo*
213 mono_icall_start (HandleStackMark *stackmark, MonoError *error);
216 mono_icall_end (MonoThreadInfo *info, HandleStackMark *stackmark, MonoError *error);
218 /* Lazy class loading functions */
219 static GENERATE_GET_CLASS_WITH_CACHE (string_builder, System.Text, StringBuilder);
220 static GENERATE_GET_CLASS_WITH_CACHE (date_time, System, DateTime);
221 static GENERATE_GET_CLASS_WITH_CACHE (fixed_buffer_attribute, System.Runtime.CompilerServices, FixedBufferAttribute);
222 static GENERATE_TRY_GET_CLASS_WITH_CACHE (unmanaged_function_pointer_attribute, System.Runtime.InteropServices, UnmanagedFunctionPointerAttribute);
223 static GENERATE_TRY_GET_CLASS_WITH_CACHE (icustom_marshaler, System.Runtime.InteropServices, ICustomMarshaler);
225 /* MonoMethod pointers to SafeHandle::DangerousAddRef and ::DangerousRelease */
226 static MonoMethod *sh_dangerous_add_ref;
227 static MonoMethod *sh_dangerous_release;
232 sh_dangerous_add_ref = mono_class_get_method_from_name (
233 mono_class_try_get_safehandle_class (), "DangerousAddRef", 1);
234 sh_dangerous_release = mono_class_get_method_from_name (
235 mono_class_try_get_safehandle_class (), "DangerousRelease", 0);
239 register_icall (gpointer func, const char *name, const char *sigstr, gboolean no_wrapper)
241 MonoMethodSignature *sig = mono_create_icall_signature (sigstr);
243 mono_register_jit_icall (func, name, sig, no_wrapper);
247 mono_signature_no_pinvoke (MonoMethod *method)
249 MonoMethodSignature *sig = mono_method_signature (method);
251 sig = mono_metadata_signature_dup_full (method->klass->image, sig);
252 sig->pinvoke = FALSE;
259 mono_marshal_init_tls (void)
261 mono_native_tls_alloc (&last_error_tls_id, NULL);
262 mono_native_tls_alloc (&load_type_info_tls_id, NULL);
266 mono_object_isinst_icall (MonoObject *obj, MonoClass *klass)
269 MonoObject *result = mono_object_isinst_checked (obj, klass, &error);
270 mono_error_set_pending_exception (&error);
275 ves_icall_mono_string_from_utf16 (gunichar2 *data)
278 MonoString *result = mono_string_from_utf16_checked (data, &error);
279 mono_error_set_pending_exception (&error);
284 ves_icall_mono_string_to_utf8 (MonoString *str)
287 char *result = mono_string_to_utf8_checked (str, &error);
288 mono_error_set_pending_exception (&error);
293 mono_marshal_init (void)
295 static gboolean module_initialized = FALSE;
297 if (!module_initialized) {
298 module_initialized = TRUE;
299 mono_os_mutex_init_recursive (&marshal_mutex);
300 marshal_mutex_initialized = TRUE;
302 register_icall (ves_icall_System_Threading_Thread_ResetAbort, "ves_icall_System_Threading_Thread_ResetAbort", "void", TRUE);
303 register_icall (mono_marshal_string_to_utf16, "mono_marshal_string_to_utf16", "ptr obj", FALSE);
304 register_icall (mono_marshal_string_to_utf16_copy, "mono_marshal_string_to_utf16_copy", "ptr obj", FALSE);
305 register_icall (mono_string_to_utf16, "mono_string_to_utf16", "ptr obj", FALSE);
306 register_icall (ves_icall_mono_string_from_utf16, "ves_icall_mono_string_from_utf16", "obj ptr", FALSE);
307 register_icall (mono_string_from_byvalstr, "mono_string_from_byvalstr", "obj ptr int", FALSE);
308 register_icall (mono_string_from_byvalwstr, "mono_string_from_byvalwstr", "obj ptr int", FALSE);
309 register_icall (mono_string_new_wrapper, "mono_string_new_wrapper", "obj ptr", FALSE);
310 register_icall (mono_string_new_len_wrapper, "mono_string_new_len_wrapper", "obj ptr int", FALSE);
311 register_icall (ves_icall_mono_string_to_utf8, "ves_icall_mono_string_to_utf8", "ptr obj", FALSE);
312 register_icall (mono_string_to_utf8str, "mono_string_to_utf8str", "ptr obj", FALSE);
313 register_icall (mono_string_to_ansibstr, "mono_string_to_ansibstr", "ptr object", FALSE);
314 register_icall (mono_string_builder_to_utf8, "mono_string_builder_to_utf8", "ptr object", FALSE);
315 register_icall (mono_string_builder_to_utf16, "mono_string_builder_to_utf16", "ptr object", FALSE);
316 register_icall (mono_array_to_savearray, "mono_array_to_savearray", "ptr object", FALSE);
317 register_icall (mono_array_to_lparray, "mono_array_to_lparray", "ptr object", FALSE);
318 register_icall (mono_free_lparray, "mono_free_lparray", "void object ptr", FALSE);
319 register_icall (mono_byvalarray_to_array, "mono_byvalarray_to_array", "void object ptr ptr int32", FALSE);
320 register_icall (mono_byvalarray_to_byte_array, "mono_byvalarray_to_byte_array", "void object ptr int32", FALSE);
321 register_icall (mono_array_to_byvalarray, "mono_array_to_byvalarray", "void ptr object ptr int32", FALSE);
322 register_icall (mono_array_to_byte_byvalarray, "mono_array_to_byte_byvalarray", "void ptr object int32", FALSE);
323 register_icall (mono_delegate_to_ftnptr, "mono_delegate_to_ftnptr", "ptr object", FALSE);
324 register_icall (mono_ftnptr_to_delegate, "mono_ftnptr_to_delegate", "object ptr ptr", FALSE);
325 register_icall (mono_marshal_asany, "mono_marshal_asany", "ptr object int32 int32", FALSE);
326 register_icall (mono_marshal_free_asany, "mono_marshal_free_asany", "void object ptr int32 int32", FALSE);
327 register_icall (ves_icall_marshal_alloc, "ves_icall_marshal_alloc", "ptr int32", FALSE);
328 register_icall (mono_marshal_free, "mono_marshal_free", "void ptr", FALSE);
329 register_icall (mono_marshal_set_last_error, "mono_marshal_set_last_error", "void", FALSE);
330 register_icall (mono_marshal_set_last_error_windows, "mono_marshal_set_last_error_windows", "void int32", FALSE);
331 register_icall (mono_string_utf8_to_builder, "mono_string_utf8_to_builder", "void ptr ptr", FALSE);
332 register_icall (mono_string_utf8_to_builder2, "mono_string_utf8_to_builder2", "object ptr", FALSE);
333 register_icall (mono_string_utf16_to_builder, "mono_string_utf16_to_builder", "void ptr ptr", FALSE);
334 register_icall (mono_string_utf16_to_builder2, "mono_string_utf16_to_builder2", "object ptr", FALSE);
335 register_icall (mono_marshal_free_array, "mono_marshal_free_array", "void ptr int32", FALSE);
336 register_icall (mono_string_to_byvalstr, "mono_string_to_byvalstr", "void ptr ptr int32", FALSE);
337 register_icall (mono_string_to_byvalwstr, "mono_string_to_byvalwstr", "void ptr ptr int32", FALSE);
338 register_icall (g_free, "g_free", "void ptr", FALSE);
339 register_icall (mono_object_isinst_icall, "mono_object_isinst_icall", "object object ptr", FALSE);
340 register_icall (mono_struct_delete_old, "mono_struct_delete_old", "void ptr ptr", FALSE);
341 register_icall (mono_delegate_begin_invoke, "mono_delegate_begin_invoke", "object object ptr", FALSE);
342 register_icall (mono_delegate_end_invoke, "mono_delegate_end_invoke", "object object ptr", FALSE);
343 register_icall (mono_context_get, "mono_context_get", "object", FALSE);
344 register_icall (mono_context_set, "mono_context_set", "void object", FALSE);
345 register_icall (mono_gc_wbarrier_generic_nostore, "wb_generic", "void ptr", FALSE);
346 register_icall (mono_gchandle_get_target, "mono_gchandle_get_target", "object int32", TRUE);
347 register_icall (mono_gchandle_new, "mono_gchandle_new", "uint32 object bool", TRUE);
348 register_icall (mono_marshal_isinst_with_cache, "mono_marshal_isinst_with_cache", "object object ptr ptr", FALSE);
349 register_icall (mono_marshal_ftnptr_eh_callback, "mono_marshal_ftnptr_eh_callback", "void uint32", TRUE);
350 register_icall (mono_threads_enter_gc_safe_region_unbalanced, "mono_threads_enter_gc_safe_region_unbalanced", "ptr ptr", TRUE);
351 register_icall (mono_threads_exit_gc_safe_region_unbalanced, "mono_threads_exit_gc_safe_region_unbalanced", "void ptr ptr", TRUE);
352 register_icall (mono_threads_attach_coop, "mono_threads_attach_coop", "ptr ptr ptr", TRUE);
353 register_icall (mono_threads_detach_coop, "mono_threads_detach_coop", "void ptr ptr", TRUE);
354 register_icall (mono_icall_start, "mono_icall_start", "ptr ptr ptr", TRUE);
355 register_icall (mono_icall_end, "mono_icall_end", "void ptr ptr ptr", TRUE);
356 register_icall (mono_handle_new, "mono_handle_new", "ptr ptr", TRUE);
358 mono_cominterop_init ();
359 mono_remoting_init ();
361 mono_counters_register ("MonoClass::class_marshal_info_count count",
362 MONO_COUNTER_METADATA | MONO_COUNTER_INT, &class_marshal_info_count);
368 mono_marshal_cleanup (void)
370 mono_cominterop_cleanup ();
372 mono_native_tls_free (load_type_info_tls_id);
373 mono_native_tls_free (last_error_tls_id);
374 mono_os_mutex_destroy (&marshal_mutex);
375 marshal_mutex_initialized = FALSE;
379 mono_marshal_lock_internal (void)
381 mono_marshal_lock ();
385 mono_marshal_unlock_internal (void)
387 mono_marshal_unlock ();
390 /* This is a JIT icall, it sets the pending exception and return NULL on error */
392 mono_delegate_to_ftnptr (MonoDelegate *delegate)
395 MonoMethod *method, *wrapper;
397 uint32_t target_handle = 0;
402 if (delegate->delegate_trampoline)
403 return delegate->delegate_trampoline;
405 klass = ((MonoObject *)delegate)->vtable->klass;
406 g_assert (klass->delegate);
408 method = delegate->method;
409 if (delegate->method_is_virtual)
410 method = mono_object_get_virtual_method (delegate->target, method);
412 if (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) {
413 const char *exc_class, *exc_arg;
416 ftnptr = mono_lookup_pinvoke_call (method, &exc_class, &exc_arg);
418 g_assert (exc_class);
419 mono_set_pending_exception (mono_exception_from_name_msg (mono_defaults.corlib, "System", exc_class, exc_arg));
425 if (delegate->target) {
426 /* Produce a location which can be embedded in JITted code */
427 target_handle = mono_gchandle_new_weakref (delegate->target, FALSE);
430 wrapper = mono_marshal_get_managed_wrapper (method, klass, target_handle);
432 delegate->delegate_trampoline = mono_compile_method_checked (wrapper, &error);
436 // Add the delegate to the delegate hash table
437 delegate_hash_table_add (delegate);
439 /* when the object is collected, collect the dynamic method, too */
440 mono_object_register_finalizer ((MonoObject*)delegate);
442 return delegate->delegate_trampoline;
445 if (target_handle != 0)
446 mono_gchandle_free (target_handle);
447 mono_error_set_pending_exception (&error);
452 * this hash table maps from a delegate trampoline object to a weak reference
453 * of the delegate. As an optimizations with a non-moving GC we store the
454 * object pointer itself, otherwise we use a GC handle.
456 static GHashTable *delegate_hash_table;
459 delegate_hash_table_new (void) {
460 return g_hash_table_new (NULL, NULL);
464 delegate_hash_table_remove (MonoDelegate *d)
466 guint32 gchandle = 0;
468 mono_marshal_lock ();
469 if (delegate_hash_table == NULL)
470 delegate_hash_table = delegate_hash_table_new ();
471 if (mono_gc_is_moving ())
472 gchandle = GPOINTER_TO_UINT (g_hash_table_lookup (delegate_hash_table, d->delegate_trampoline));
473 g_hash_table_remove (delegate_hash_table, d->delegate_trampoline);
474 mono_marshal_unlock ();
475 if (gchandle && mono_gc_is_moving ())
476 mono_gchandle_free (gchandle);
480 delegate_hash_table_add (MonoDelegate *d)
483 guint32 old_gchandle;
485 mono_marshal_lock ();
486 if (delegate_hash_table == NULL)
487 delegate_hash_table = delegate_hash_table_new ();
488 if (mono_gc_is_moving ()) {
489 gchandle = mono_gchandle_new_weakref ((MonoObject*)d, FALSE);
490 old_gchandle = GPOINTER_TO_UINT (g_hash_table_lookup (delegate_hash_table, d->delegate_trampoline));
491 g_hash_table_insert (delegate_hash_table, d->delegate_trampoline, GUINT_TO_POINTER (gchandle));
493 mono_gchandle_free (old_gchandle);
495 g_hash_table_insert (delegate_hash_table, d->delegate_trampoline, d);
497 mono_marshal_unlock ();
501 * mono_marshal_use_aot_wrappers:
503 * Instructs this module to use AOT compatible wrappers.
506 mono_marshal_use_aot_wrappers (gboolean use)
508 use_aot_wrappers = use;
512 parse_unmanaged_function_pointer_attr (MonoClass *klass, MonoMethodPInvoke *piinfo)
515 MonoCustomAttrInfo *cinfo;
516 MonoReflectionUnmanagedFunctionPointerAttribute *attr;
518 /* The attribute is only available in Net 2.0 */
519 if (mono_class_try_get_unmanaged_function_pointer_attribute_class ()) {
521 * The pinvoke attributes are stored in a real custom attribute so we have to
524 cinfo = mono_custom_attrs_from_class_checked (klass, &error);
525 if (!mono_error_ok (&error)) {
526 g_warning ("Could not load UnmanagedFunctionPointerAttribute due to %s", mono_error_get_message (&error));
527 mono_error_cleanup (&error);
529 if (cinfo && !mono_runtime_get_no_exec ()) {
530 attr = (MonoReflectionUnmanagedFunctionPointerAttribute*)mono_custom_attrs_get_attr_checked (cinfo, mono_class_try_get_unmanaged_function_pointer_attribute_class (), &error);
532 piinfo->piflags = (attr->call_conv << 8) | (attr->charset ? (attr->charset - 1) * 2 : 1) | attr->set_last_error;
534 if (!mono_error_ok (&error)) {
535 g_warning ("Could not load UnmanagedFunctionPointerAttribute due to %s", mono_error_get_message (&error));
536 mono_error_cleanup (&error);
540 mono_custom_attrs_free (cinfo);
545 /* This is a JIT icall, it sets the pending exception and returns NULL on error */
547 mono_ftnptr_to_delegate (MonoClass *klass, gpointer ftn)
556 mono_marshal_lock ();
557 if (delegate_hash_table == NULL)
558 delegate_hash_table = delegate_hash_table_new ();
560 if (mono_gc_is_moving ()) {
561 gchandle = GPOINTER_TO_UINT (g_hash_table_lookup (delegate_hash_table, ftn));
562 mono_marshal_unlock ();
564 d = (MonoDelegate*)mono_gchandle_get_target (gchandle);
568 d = (MonoDelegate *)g_hash_table_lookup (delegate_hash_table, ftn);
569 mono_marshal_unlock ();
572 /* This is a native function, so construct a delegate for it */
573 MonoMethodSignature *sig;
575 MonoMarshalSpec **mspecs;
576 MonoMethod *invoke = mono_get_delegate_invoke (klass);
577 MonoMethodPInvoke piinfo;
578 MonoObject *this_obj;
581 if (use_aot_wrappers) {
582 wrapper = mono_marshal_get_native_func_wrapper_aot (klass);
583 this_obj = mono_value_box_checked (mono_domain_get (), mono_defaults.int_class, &ftn, &error);
584 if (!is_ok (&error)) {
585 mono_error_set_pending_exception (&error);
589 memset (&piinfo, 0, sizeof (piinfo));
590 parse_unmanaged_function_pointer_attr (klass, &piinfo);
592 mspecs = g_new0 (MonoMarshalSpec*, mono_method_signature (invoke)->param_count + 1);
593 mono_method_get_marshal_info (invoke, mspecs);
594 /* Freed below so don't alloc from mempool */
595 sig = mono_metadata_signature_dup (mono_method_signature (invoke));
598 wrapper = mono_marshal_get_native_func_wrapper (klass->image, sig, &piinfo, mspecs, ftn);
601 for (i = mono_method_signature (invoke)->param_count; i >= 0; i--)
603 mono_metadata_free_marshal_spec (mspecs [i]);
608 d = (MonoDelegate*)mono_object_new_checked (mono_domain_get (), klass, &error);
609 if (!mono_error_ok (&error)) {
610 mono_error_set_pending_exception (&error);
613 gpointer compiled_ptr = mono_compile_method_checked (wrapper, &error);
614 if (mono_error_set_pending_exception (&error))
616 mono_delegate_ctor_with_method ((MonoObject*)d, this_obj, compiled_ptr, wrapper, &error);
617 if (mono_error_set_pending_exception (&error))
621 if (d->object.vtable->domain != mono_domain_get ()) {
622 mono_set_pending_exception (mono_get_exception_not_supported ("Delegates cannot be marshalled from native code into a domain other than their home domain"));
630 mono_delegate_free_ftnptr (MonoDelegate *delegate)
635 delegate_hash_table_remove (delegate);
637 ptr = (gpointer)InterlockedExchangePointer (&delegate->delegate_trampoline, NULL);
639 if (!delegate->target) {
640 /* The wrapper method is shared between delegates -> no need to free it */
649 ji = mono_jit_info_table_find (mono_domain_get (), (char *)mono_get_addr_from_ftnptr (ptr));
652 method = mono_jit_info_get_method (ji);
653 method_data = (void **)((MonoMethodWrapper*)method)->method_data;
655 /*the target gchandle is the first entry after size and the wrapper itself.*/
656 gchandle = GPOINTER_TO_UINT (method_data [2]);
659 mono_gchandle_free (gchandle);
661 mono_runtime_free_method (mono_object_domain (delegate), method);
665 /* This is a JIT icall, it sets the pending exception and returns NULL on error */
667 mono_string_from_byvalstr (const char *data, int max_len)
670 MonoDomain *domain = mono_domain_get ();
676 while (len < max_len - 1 && data [len])
679 MonoString *result = mono_string_new_len_checked (domain, data, len, &error);
680 mono_error_set_pending_exception (&error);
684 /* This is a JIT icall, it sets the pending exception and return NULL on error */
686 mono_string_from_byvalwstr (gunichar2 *data, int max_len)
689 MonoString *res = NULL;
690 MonoDomain *domain = mono_domain_get ();
696 while (data [len]) len++;
698 res = mono_string_new_utf16_checked (domain, data, MIN (len, max_len), &error);
699 if (!mono_error_ok (&error)) {
700 mono_error_set_pending_exception (&error);
707 mono_array_to_savearray (MonoArray *array)
712 g_assert_not_reached ();
717 mono_array_to_lparray (MonoArray *array)
720 gpointer *nativeArray = NULL;
721 int nativeArraySize = 0;
731 klass = array->obj.vtable->klass;
733 switch (klass->element_class->byval_arg.type) {
735 g_assert_not_reached ();
737 case MONO_TYPE_CLASS:
738 nativeArraySize = array->max_length;
739 nativeArray = (void **)malloc(sizeof(gpointer) * nativeArraySize);
740 for(i = 0; i < nativeArraySize; ++i)
741 nativeArray[i] = ves_icall_System_Runtime_InteropServices_Marshal_GetIUnknownForObjectInternal(((MonoObject **)array->vector)[i]);
744 case MONO_TYPE_BOOLEAN:
757 case MONO_TYPE_VALUETYPE:
761 case MONO_TYPE_GENERICINST:
762 case MONO_TYPE_OBJECT:
763 case MONO_TYPE_ARRAY:
764 case MONO_TYPE_SZARRAY:
765 case MONO_TYPE_STRING:
767 g_warning ("type 0x%x not handled", klass->element_class->byval_arg.type);
768 g_assert_not_reached ();
771 return array->vector;
775 mono_free_lparray (MonoArray *array, gpointer* nativeArray)
786 klass = array->obj.vtable->klass;
788 if (klass->element_class->byval_arg.type == MONO_TYPE_CLASS) {
789 for(i = 0; i < array->max_length; ++i)
790 mono_marshal_free_ccw (mono_array_get (array, MonoObject*, i));
791 g_free (nativeArray);
797 mono_byvalarray_to_array (MonoArray *arr, gpointer native_arr, MonoClass *elclass, guint32 elnum)
799 g_assert (arr->obj.vtable->klass->element_class == mono_defaults.char_class);
801 if (elclass == mono_defaults.byte_class) {
802 GError *error = NULL;
806 ut = g_utf8_to_utf16 ((const gchar *)native_arr, elnum, NULL, &items_written, &error);
809 memcpy (mono_array_addr (arr, guint16, 0), ut, items_written * sizeof (guint16));
813 g_error_free (error);
816 g_assert_not_reached ();
820 mono_byvalarray_to_byte_array (MonoArray *arr, gpointer native_arr, guint32 elnum)
822 mono_byvalarray_to_array (arr, native_arr, mono_defaults.byte_class, elnum);
825 /* This is a JIT icall, it sets the pending exception and returns on error */
827 mono_array_to_byvalarray (gpointer native_arr, MonoArray *arr, MonoClass *elclass, guint32 elnum)
829 g_assert (arr->obj.vtable->klass->element_class == mono_defaults.char_class);
831 if (elclass == mono_defaults.byte_class) {
833 GError *error = NULL;
835 as = g_utf16_to_utf8 (mono_array_addr (arr, gunichar2, 0), mono_array_length (arr), NULL, NULL, &error);
837 mono_set_pending_exception (mono_get_exception_argument ("string", error->message));
838 g_error_free (error);
842 memcpy (native_arr, as, MIN (strlen (as), elnum));
845 g_assert_not_reached ();
850 mono_array_to_byte_byvalarray (gpointer native_arr, MonoArray *arr, guint32 elnum)
852 mono_array_to_byvalarray (native_arr, arr, mono_defaults.byte_class, elnum);
855 static MonoStringBuilder *
856 mono_string_builder_new (int starting_string_length)
858 static MonoClass *string_builder_class;
859 static MonoMethod *sb_ctor;
860 static void *args [1];
863 int initial_len = starting_string_length;
869 MonoMethodDesc *desc;
872 string_builder_class = mono_class_get_string_builder_class ();
873 g_assert (string_builder_class);
874 desc = mono_method_desc_new (":.ctor(int)", FALSE);
875 m = mono_method_desc_search_in_class (desc, string_builder_class);
877 mono_method_desc_free (desc);
878 mono_memory_barrier ();
882 // We make a new array in the _to_builder function, so this
883 // array will always be garbage collected.
884 args [0] = &initial_len;
886 MonoStringBuilder *sb = (MonoStringBuilder*)mono_object_new_checked (mono_domain_get (), string_builder_class, &error);
887 mono_error_assert_ok (&error);
890 mono_runtime_try_invoke (sb_ctor, sb, args, &exc, &error);
891 g_assert (exc == NULL);
892 mono_error_assert_ok (&error);
894 g_assert (sb->chunkChars->max_length >= initial_len);
900 mono_string_utf16_to_builder_copy (MonoStringBuilder *sb, gunichar2 *text, size_t string_len)
902 gunichar2 *charDst = (gunichar2 *)sb->chunkChars->vector;
903 gunichar2 *charSrc = (gunichar2 *)text;
904 memcpy (charDst, charSrc, sizeof (gunichar2) * string_len);
906 sb->chunkLength = string_len;
912 mono_string_utf16_to_builder2 (gunichar2 *text)
918 for (len = 0; text [len] != 0; ++len);
920 MonoStringBuilder *sb = mono_string_builder_new (len);
921 mono_string_utf16_to_builder (sb, text);
927 mono_string_utf8_to_builder (MonoStringBuilder *sb, char *text)
932 GError *error = NULL;
934 gunichar2* ut = g_utf8_to_utf16 (text, strlen (text), NULL, &copied, &error);
935 int capacity = mono_string_builder_capacity (sb);
937 if (copied > capacity)
941 MONO_OBJECT_SETREF (sb, chunkPrevious, NULL);
942 mono_string_utf16_to_builder_copy (sb, ut, copied);
944 g_error_free (error);
950 mono_string_utf8_to_builder2 (char *text)
955 int len = strlen (text);
956 MonoStringBuilder *sb = mono_string_builder_new (len);
957 mono_string_utf8_to_builder (sb, text);
963 mono_string_utf16_to_builder (MonoStringBuilder *sb, gunichar2 *text)
969 for (len = 0; text [len] != 0; ++len);
971 if (len > mono_string_builder_capacity (sb))
972 len = mono_string_builder_capacity (sb);
974 mono_string_utf16_to_builder_copy (sb, text, len);
978 * mono_string_builder_to_utf8:
979 * @sb: the string builder
981 * Converts to utf8 the contents of the MonoStringBuilder.
983 * Returns: a utf8 string with the contents of the StringBuilder.
985 * The return value must be released with mono_marshal_free.
987 * This is a JIT icall, it sets the pending exception and returns NULL on error.
990 mono_string_builder_to_utf8 (MonoStringBuilder *sb)
993 GError *gerror = NULL;
998 gunichar2 *str_utf16 = mono_string_builder_to_utf16 (sb);
1000 guint str_len = mono_string_builder_string_length (sb);
1002 gchar *tmp = g_utf16_to_utf8 (str_utf16, str_len, NULL, &byte_count, &gerror);
1005 g_error_free (gerror);
1006 mono_marshal_free (str_utf16);
1007 mono_set_pending_exception (mono_get_exception_execution_engine ("Failed to convert StringBuilder from utf16 to utf8"));
1010 guint len = mono_string_builder_capacity (sb) + 1;
1011 gchar *res = (gchar *)mono_marshal_alloc (MAX (byte_count+1, len * sizeof (gchar)), &error);
1012 if (!mono_error_ok (&error)) {
1013 mono_marshal_free (str_utf16);
1015 mono_error_set_pending_exception (&error);
1019 memcpy (res, tmp, byte_count);
1020 res[byte_count] = '\0';
1022 mono_marshal_free (str_utf16);
1029 * mono_string_builder_to_utf16:
1030 * @sb: the string builder
1032 * Converts to utf16 the contents of the MonoStringBuilder.
1034 * Returns: a utf16 string with the contents of the StringBuilder.
1036 * The return value must be released with mono_marshal_free.
1038 * This is a JIT icall, it sets the pending exception and returns NULL on error.
1041 mono_string_builder_to_utf16 (MonoStringBuilder *sb)
1048 g_assert (sb->chunkChars);
1050 guint len = mono_string_builder_capacity (sb);
1055 gunichar2 *str = (gunichar2 *)mono_marshal_alloc ((len + 1) * sizeof (gunichar2), &error);
1056 if (!mono_error_ok (&error)) {
1057 mono_error_set_pending_exception (&error);
1066 MonoStringBuilder* chunk = sb;
1068 if (chunk->chunkLength > 0) {
1069 // Check that we will not overrun our boundaries.
1070 gunichar2 *source = (gunichar2 *)chunk->chunkChars->vector;
1072 if (chunk->chunkLength <= len) {
1073 memcpy (str + chunk->chunkOffset, source, chunk->chunkLength * sizeof(gunichar2));
1075 g_error ("A chunk in the StringBuilder had a length longer than expected from the offset.");
1078 len -= chunk->chunkLength;
1080 chunk = chunk->chunkPrevious;
1081 } while (chunk != NULL);
1087 /* This is a JIT icall, it sets the pending exception and returns NULL on error. */
1089 mono_string_to_utf8str (MonoString *s)
1092 char *result = mono_string_to_utf8_checked (s, &error);
1093 mono_error_set_pending_exception (&error);
1099 mono_string_to_ansibstr (MonoString *string_obj)
1101 g_error ("UnmanagedMarshal.BStr is not implemented.");
1106 * mono_string_to_byvalstr:
1107 * @dst: Where to store the null-terminated utf8 decoded string.
1108 * @src: the MonoString to copy.
1109 * @size: the maximum number of bytes to copy.
1111 * Copies the MonoString pointed to by @src as a utf8 string
1112 * into @dst, it copies at most @size bytes into the destination.
1115 mono_string_to_byvalstr (gpointer dst, MonoString *src, int size)
1121 g_assert (dst != NULL);
1122 g_assert (size > 0);
1124 memset (dst, 0, size);
1128 s = mono_string_to_utf8_checked (src, &error);
1129 if (mono_error_set_pending_exception (&error))
1131 len = MIN (size, strlen (s));
1134 memcpy (dst, s, len);
1139 * mono_string_to_byvalwstr:
1140 * @dst: Where to store the null-terminated utf16 decoded string.
1141 * @src: the MonoString to copy.
1142 * @size: the maximum number of wide characters to copy (each consumes 2 bytes)
1144 * Copies the MonoString pointed to by @src as a utf16 string into
1145 * @dst, it copies at most @size bytes into the destination (including
1146 * a terminating 16-bit zero terminator).
1149 mono_string_to_byvalwstr (gpointer dst, MonoString *src, int size)
1153 g_assert (dst != NULL);
1154 g_assert (size > 1);
1157 memset (dst, 0, size * 2);
1161 len = MIN (size, (mono_string_length (src)));
1162 memcpy (dst, mono_string_chars (src), len * 2);
1163 if (size <= mono_string_length (src))
1165 *((gunichar2 *) dst + len) = 0;
1168 /* this is an icall, it sets the pending exception and returns NULL on error */
1170 mono_string_new_len_wrapper (const char *text, guint length)
1173 MonoString *result = mono_string_new_len_checked (mono_domain_get (), text, length, &error);
1174 mono_error_set_pending_exception (&error);
1181 * mono_mb_emit_exception_marshal_directive:
1183 * This function assumes ownership of MSG, which should be malloc-ed.
1186 mono_mb_emit_exception_marshal_directive (MonoMethodBuilder *mb, char *msg)
1191 s = mono_image_strdup (mb->method->klass->image, msg);
1196 mono_mb_emit_exception_full (mb, "System.Runtime.InteropServices", "MarshalDirectiveException", s);
1199 #endif /* !DISABLE_JIT */
1202 mono_type_to_ldind (MonoType *type)
1208 switch (type->type) {
1210 return CEE_LDIND_I1;
1212 case MONO_TYPE_BOOLEAN:
1213 return CEE_LDIND_U1;
1215 return CEE_LDIND_I2;
1217 case MONO_TYPE_CHAR:
1218 return CEE_LDIND_U2;
1220 return CEE_LDIND_I4;
1222 return CEE_LDIND_U4;
1226 case MONO_TYPE_FNPTR:
1228 case MONO_TYPE_CLASS:
1229 case MONO_TYPE_STRING:
1230 case MONO_TYPE_OBJECT:
1231 case MONO_TYPE_SZARRAY:
1232 case MONO_TYPE_ARRAY:
1233 return CEE_LDIND_REF;
1236 return CEE_LDIND_I8;
1238 return CEE_LDIND_R4;
1240 return CEE_LDIND_R8;
1241 case MONO_TYPE_VALUETYPE:
1242 if (type->data.klass->enumtype) {
1243 type = mono_class_enum_basetype (type->data.klass);
1247 case MONO_TYPE_TYPEDBYREF:
1249 case MONO_TYPE_GENERICINST:
1250 type = &type->data.generic_class->container_class->byval_arg;
1253 g_error ("unknown type 0x%02x in type_to_ldind", type->type);
1259 mono_type_to_stind (MonoType *type)
1262 return MONO_TYPE_IS_REFERENCE (type) ? CEE_STIND_REF : CEE_STIND_I;
1266 switch (type->type) {
1269 case MONO_TYPE_BOOLEAN:
1270 return CEE_STIND_I1;
1273 case MONO_TYPE_CHAR:
1274 return CEE_STIND_I2;
1277 return CEE_STIND_I4;
1281 case MONO_TYPE_FNPTR:
1283 case MONO_TYPE_CLASS:
1284 case MONO_TYPE_STRING:
1285 case MONO_TYPE_OBJECT:
1286 case MONO_TYPE_SZARRAY:
1287 case MONO_TYPE_ARRAY:
1288 return CEE_STIND_REF;
1291 return CEE_STIND_I8;
1293 return CEE_STIND_R4;
1295 return CEE_STIND_R8;
1296 case MONO_TYPE_VALUETYPE:
1297 if (type->data.klass->enumtype) {
1298 type = mono_class_enum_basetype (type->data.klass);
1302 case MONO_TYPE_TYPEDBYREF:
1304 case MONO_TYPE_GENERICINST:
1305 type = &type->data.generic_class->container_class->byval_arg;
1308 g_error ("unknown type 0x%02x in type_to_stind", type->type);
1316 emit_ptr_to_object_conv (MonoMethodBuilder *mb, MonoType *type, MonoMarshalConv conv, MonoMarshalSpec *mspec)
1319 case MONO_MARSHAL_CONV_BOOL_I4:
1320 mono_mb_emit_ldloc (mb, 1);
1321 mono_mb_emit_ldloc (mb, 0);
1322 mono_mb_emit_byte (mb, CEE_LDIND_I4);
1323 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
1324 mono_mb_emit_byte (mb, 3);
1325 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
1326 mono_mb_emit_byte (mb, CEE_BR_S);
1327 mono_mb_emit_byte (mb, 1);
1328 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
1329 mono_mb_emit_byte (mb, CEE_STIND_I1);
1331 case MONO_MARSHAL_CONV_BOOL_VARIANTBOOL:
1332 mono_mb_emit_ldloc (mb, 1);
1333 mono_mb_emit_ldloc (mb, 0);
1334 mono_mb_emit_byte (mb, CEE_LDIND_I2);
1335 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
1336 mono_mb_emit_byte (mb, 3);
1337 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
1338 mono_mb_emit_byte (mb, CEE_BR_S);
1339 mono_mb_emit_byte (mb, 1);
1340 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
1341 mono_mb_emit_byte (mb, CEE_STIND_I1);
1343 case MONO_MARSHAL_CONV_ARRAY_BYVALARRAY: {
1344 MonoClass *eklass = NULL;
1347 if (type->type == MONO_TYPE_SZARRAY) {
1348 eklass = type->data.klass;
1350 g_assert_not_reached ();
1353 esize = mono_class_native_size (eklass, NULL);
1355 /* create a new array */
1356 mono_mb_emit_ldloc (mb, 1);
1357 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1358 mono_mb_emit_op (mb, CEE_NEWARR, eklass);
1359 mono_mb_emit_byte (mb, CEE_STIND_REF);
1361 if (eklass->blittable) {
1362 /* copy the elements */
1363 mono_mb_emit_ldloc (mb, 1);
1364 mono_mb_emit_byte (mb, CEE_LDIND_I);
1365 mono_mb_emit_icon (mb, MONO_STRUCT_OFFSET (MonoArray, vector));
1366 mono_mb_emit_byte (mb, CEE_ADD);
1367 mono_mb_emit_ldloc (mb, 0);
1368 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem * esize);
1369 mono_mb_emit_byte (mb, CEE_PREFIX1);
1370 mono_mb_emit_byte (mb, CEE_CPBLK);
1373 int array_var, src_var, dst_var, index_var;
1374 guint32 label2, label3;
1376 array_var = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
1377 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1378 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1381 mono_mb_emit_ldloc (mb, 1);
1382 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1383 mono_mb_emit_stloc (mb, array_var);
1385 /* save the old src pointer */
1386 mono_mb_emit_ldloc (mb, 0);
1387 mono_mb_emit_stloc (mb, src_var);
1388 /* save the old dst pointer */
1389 mono_mb_emit_ldloc (mb, 1);
1390 mono_mb_emit_stloc (mb, dst_var);
1392 /* Emit marshalling loop */
1393 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1394 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
1395 mono_mb_emit_stloc (mb, index_var);
1398 label2 = mono_mb_get_label (mb);
1399 mono_mb_emit_ldloc (mb, index_var);
1400 mono_mb_emit_ldloc (mb, array_var);
1401 mono_mb_emit_byte (mb, CEE_LDLEN);
1402 label3 = mono_mb_emit_branch (mb, CEE_BGE);
1404 /* src is already set */
1407 mono_mb_emit_ldloc (mb, array_var);
1408 mono_mb_emit_ldloc (mb, index_var);
1409 mono_mb_emit_op (mb, CEE_LDELEMA, eklass);
1410 mono_mb_emit_stloc (mb, 1);
1412 /* Do the conversion */
1413 emit_struct_conv (mb, eklass, TRUE);
1416 mono_mb_emit_add_to_local (mb, index_var, 1);
1418 mono_mb_emit_branch_label (mb, CEE_BR, label2);
1420 mono_mb_patch_branch (mb, label3);
1422 /* restore the old src pointer */
1423 mono_mb_emit_ldloc (mb, src_var);
1424 mono_mb_emit_stloc (mb, 0);
1425 /* restore the old dst pointer */
1426 mono_mb_emit_ldloc (mb, dst_var);
1427 mono_mb_emit_stloc (mb, 1);
1431 case MONO_MARSHAL_CONV_ARRAY_BYVALCHARARRAY: {
1432 MonoClass *eclass = mono_defaults.char_class;
1434 /* create a new array */
1435 mono_mb_emit_ldloc (mb, 1);
1436 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1437 mono_mb_emit_op (mb, CEE_NEWARR, eclass);
1438 mono_mb_emit_byte (mb, CEE_STIND_REF);
1440 mono_mb_emit_ldloc (mb, 1);
1441 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1442 mono_mb_emit_ldloc (mb, 0);
1443 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1444 mono_mb_emit_icall (mb, mono_byvalarray_to_byte_array);
1447 case MONO_MARSHAL_CONV_STR_BYVALSTR:
1448 if (mspec && mspec->native == MONO_NATIVE_BYVALTSTR && mspec->data.array_data.num_elem) {
1449 mono_mb_emit_ldloc (mb, 1);
1450 mono_mb_emit_ldloc (mb, 0);
1451 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1452 mono_mb_emit_icall (mb, mono_string_from_byvalstr);
1454 mono_mb_emit_ldloc (mb, 1);
1455 mono_mb_emit_ldloc (mb, 0);
1456 mono_mb_emit_icall (mb, mono_string_new_wrapper);
1458 mono_mb_emit_byte (mb, CEE_STIND_REF);
1460 case MONO_MARSHAL_CONV_STR_BYVALWSTR:
1461 if (mspec && mspec->native == MONO_NATIVE_BYVALTSTR && mspec->data.array_data.num_elem) {
1462 mono_mb_emit_ldloc (mb, 1);
1463 mono_mb_emit_ldloc (mb, 0);
1464 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1465 mono_mb_emit_icall (mb, mono_string_from_byvalwstr);
1467 mono_mb_emit_ldloc (mb, 1);
1468 mono_mb_emit_ldloc (mb, 0);
1469 mono_mb_emit_icall (mb, ves_icall_mono_string_from_utf16);
1471 mono_mb_emit_byte (mb, CEE_STIND_REF);
1473 case MONO_MARSHAL_CONV_STR_LPTSTR:
1474 mono_mb_emit_ldloc (mb, 1);
1475 mono_mb_emit_ldloc (mb, 0);
1476 mono_mb_emit_byte (mb, CEE_LDIND_I);
1478 mono_mb_emit_icall (mb, ves_icall_mono_string_from_utf16);
1480 mono_mb_emit_icall (mb, mono_string_new_wrapper);
1482 mono_mb_emit_byte (mb, CEE_STIND_REF);
1485 // In Mono historically LPSTR was treated as a UTF8STR
1486 case MONO_MARSHAL_CONV_STR_LPSTR:
1487 case MONO_MARSHAL_CONV_STR_UTF8STR:
1488 mono_mb_emit_ldloc (mb, 1);
1489 mono_mb_emit_ldloc (mb, 0);
1490 mono_mb_emit_byte (mb, CEE_LDIND_I);
1491 mono_mb_emit_icall (mb, mono_string_new_wrapper);
1492 mono_mb_emit_byte (mb, CEE_STIND_REF);
1494 case MONO_MARSHAL_CONV_STR_LPWSTR:
1495 mono_mb_emit_ldloc (mb, 1);
1496 mono_mb_emit_ldloc (mb, 0);
1497 mono_mb_emit_byte (mb, CEE_LDIND_I);
1498 mono_mb_emit_icall (mb, ves_icall_mono_string_from_utf16);
1499 mono_mb_emit_byte (mb, CEE_STIND_REF);
1501 case MONO_MARSHAL_CONV_OBJECT_STRUCT: {
1502 MonoClass *klass = mono_class_from_mono_type (type);
1503 int src_var, dst_var;
1505 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1506 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1508 /* *dst = new object */
1509 mono_mb_emit_ldloc (mb, 1);
1510 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1511 mono_mb_emit_op (mb, CEE_MONO_NEWOBJ, klass);
1512 mono_mb_emit_byte (mb, CEE_STIND_REF);
1514 /* save the old src pointer */
1515 mono_mb_emit_ldloc (mb, 0);
1516 mono_mb_emit_stloc (mb, src_var);
1517 /* save the old dst pointer */
1518 mono_mb_emit_ldloc (mb, 1);
1519 mono_mb_emit_stloc (mb, dst_var);
1521 /* dst = pointer to newly created object data */
1522 mono_mb_emit_ldloc (mb, 1);
1523 mono_mb_emit_byte (mb, CEE_LDIND_I);
1524 mono_mb_emit_icon (mb, sizeof (MonoObject));
1525 mono_mb_emit_byte (mb, CEE_ADD);
1526 mono_mb_emit_stloc (mb, 1);
1528 emit_struct_conv (mb, klass, TRUE);
1530 /* restore the old src pointer */
1531 mono_mb_emit_ldloc (mb, src_var);
1532 mono_mb_emit_stloc (mb, 0);
1533 /* restore the old dst pointer */
1534 mono_mb_emit_ldloc (mb, dst_var);
1535 mono_mb_emit_stloc (mb, 1);
1538 case MONO_MARSHAL_CONV_DEL_FTN: {
1539 MonoClass *klass = mono_class_from_mono_type (type);
1541 mono_mb_emit_ldloc (mb, 1);
1542 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1543 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
1544 mono_mb_emit_ldloc (mb, 0);
1545 mono_mb_emit_byte (mb, CEE_LDIND_I);
1546 mono_mb_emit_icall (mb, mono_ftnptr_to_delegate);
1547 mono_mb_emit_byte (mb, CEE_STIND_REF);
1550 case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
1551 g_error ("Structure field of type %s can't be marshalled as LPArray", mono_class_from_mono_type (type)->name);
1555 case MONO_MARSHAL_CONV_OBJECT_INTERFACE:
1556 case MONO_MARSHAL_CONV_OBJECT_IUNKNOWN:
1557 case MONO_MARSHAL_CONV_OBJECT_IDISPATCH:
1558 mono_cominterop_emit_ptr_to_object_conv (mb, type, conv, mspec);
1560 #endif /* DISABLE_COM */
1562 case MONO_MARSHAL_CONV_SAFEHANDLE: {
1564 * Passing SafeHandles as ref does not allow the unmanaged code
1565 * to change the SafeHandle value. If the value is changed,
1566 * we should issue a diagnostic exception (NotSupportedException)
1567 * that informs the user that changes to handles in unmanaged code
1570 * Since we currently have no access to the original
1571 * SafeHandle that was used during the marshalling,
1572 * for now we just ignore this, and ignore/discard any
1573 * changes that might have happened to the handle.
1578 case MONO_MARSHAL_CONV_HANDLEREF: {
1580 * Passing HandleRefs in a struct that is ref()ed does not
1581 * copy the values back to the HandleRef
1586 case MONO_MARSHAL_CONV_STR_BSTR:
1587 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
1588 case MONO_MARSHAL_CONV_STR_TBSTR:
1589 case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
1591 char *msg = g_strdup_printf ("marshaling conversion %d not implemented", conv);
1593 mono_mb_emit_exception_marshal_directive (mb, msg);
1600 conv_to_icall (MonoMarshalConv conv, int *ind_store_type)
1603 if (!ind_store_type)
1604 ind_store_type = &dummy;
1605 *ind_store_type = CEE_STIND_I;
1607 case MONO_MARSHAL_CONV_STR_LPWSTR:
1608 return mono_marshal_string_to_utf16;
1609 case MONO_MARSHAL_CONV_LPWSTR_STR:
1610 *ind_store_type = CEE_STIND_REF;
1611 return ves_icall_mono_string_from_utf16;
1612 case MONO_MARSHAL_CONV_LPTSTR_STR:
1613 *ind_store_type = CEE_STIND_REF;
1614 return mono_string_new_wrapper;
1615 case MONO_MARSHAL_CONV_UTF8STR_STR:
1616 case MONO_MARSHAL_CONV_LPSTR_STR:
1617 *ind_store_type = CEE_STIND_REF;
1618 return mono_string_new_wrapper;
1619 case MONO_MARSHAL_CONV_STR_LPTSTR:
1621 return mono_marshal_string_to_utf16;
1623 return mono_string_to_utf8str;
1625 // In Mono historically LPSTR was treated as a UTF8STR
1626 case MONO_MARSHAL_CONV_STR_UTF8STR:
1627 case MONO_MARSHAL_CONV_STR_LPSTR:
1628 return mono_string_to_utf8str;
1629 case MONO_MARSHAL_CONV_STR_BSTR:
1630 return mono_string_to_bstr;
1631 case MONO_MARSHAL_CONV_BSTR_STR:
1632 *ind_store_type = CEE_STIND_REF;
1633 return mono_string_from_bstr_icall;
1634 case MONO_MARSHAL_CONV_STR_TBSTR:
1635 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
1636 return mono_string_to_ansibstr;
1637 case MONO_MARSHAL_CONV_SB_UTF8STR:
1638 case MONO_MARSHAL_CONV_SB_LPSTR:
1639 return mono_string_builder_to_utf8;
1640 case MONO_MARSHAL_CONV_SB_LPTSTR:
1642 return mono_string_builder_to_utf16;
1644 return mono_string_builder_to_utf8;
1646 case MONO_MARSHAL_CONV_SB_LPWSTR:
1647 return mono_string_builder_to_utf16;
1648 case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
1649 return mono_array_to_savearray;
1650 case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
1651 return mono_array_to_lparray;
1652 case MONO_MARSHAL_FREE_LPARRAY:
1653 return mono_free_lparray;
1654 case MONO_MARSHAL_CONV_DEL_FTN:
1655 return mono_delegate_to_ftnptr;
1656 case MONO_MARSHAL_CONV_FTN_DEL:
1657 *ind_store_type = CEE_STIND_REF;
1658 return mono_ftnptr_to_delegate;
1659 case MONO_MARSHAL_CONV_UTF8STR_SB:
1660 case MONO_MARSHAL_CONV_LPSTR_SB:
1661 *ind_store_type = CEE_STIND_REF;
1662 return mono_string_utf8_to_builder;
1663 case MONO_MARSHAL_CONV_LPTSTR_SB:
1664 *ind_store_type = CEE_STIND_REF;
1666 return mono_string_utf16_to_builder;
1668 return mono_string_utf8_to_builder;
1670 case MONO_MARSHAL_CONV_LPWSTR_SB:
1671 *ind_store_type = CEE_STIND_REF;
1672 return mono_string_utf16_to_builder;
1673 case MONO_MARSHAL_FREE_ARRAY:
1674 return mono_marshal_free_array;
1675 case MONO_MARSHAL_CONV_STR_BYVALSTR:
1676 return mono_string_to_byvalstr;
1677 case MONO_MARSHAL_CONV_STR_BYVALWSTR:
1678 return mono_string_to_byvalwstr;
1680 g_assert_not_reached ();
1687 emit_object_to_ptr_conv (MonoMethodBuilder *mb, MonoType *type, MonoMarshalConv conv, MonoMarshalSpec *mspec)
1693 case MONO_MARSHAL_CONV_BOOL_I4:
1694 mono_mb_emit_ldloc (mb, 1);
1695 mono_mb_emit_ldloc (mb, 0);
1696 mono_mb_emit_byte (mb, CEE_LDIND_U1);
1697 mono_mb_emit_byte (mb, CEE_STIND_I4);
1699 case MONO_MARSHAL_CONV_BOOL_VARIANTBOOL:
1700 mono_mb_emit_ldloc (mb, 1);
1701 mono_mb_emit_ldloc (mb, 0);
1702 mono_mb_emit_byte (mb, CEE_LDIND_U1);
1703 mono_mb_emit_byte (mb, CEE_NEG);
1704 mono_mb_emit_byte (mb, CEE_STIND_I2);
1706 // In Mono historically LPSTR was treated as a UTF8STR
1707 case MONO_MARSHAL_CONV_STR_UTF8STR:
1708 case MONO_MARSHAL_CONV_STR_LPWSTR:
1709 case MONO_MARSHAL_CONV_STR_LPSTR:
1710 case MONO_MARSHAL_CONV_STR_LPTSTR:
1711 case MONO_MARSHAL_CONV_STR_BSTR:
1712 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
1713 case MONO_MARSHAL_CONV_STR_TBSTR: {
1716 /* free space if free == true */
1717 mono_mb_emit_ldloc (mb, 2);
1718 pos = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
1719 mono_mb_emit_ldloc (mb, 1);
1720 mono_mb_emit_byte (mb, CEE_LDIND_I);
1721 mono_mb_emit_icall (mb, g_free);
1722 mono_mb_patch_short_branch (mb, pos);
1724 mono_mb_emit_ldloc (mb, 1);
1725 mono_mb_emit_ldloc (mb, 0);
1726 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1727 mono_mb_emit_icall (mb, conv_to_icall (conv, &stind_op));
1728 mono_mb_emit_byte (mb, stind_op);
1731 case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
1732 case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
1733 case MONO_MARSHAL_CONV_DEL_FTN:
1734 mono_mb_emit_ldloc (mb, 1);
1735 mono_mb_emit_ldloc (mb, 0);
1736 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1737 mono_mb_emit_icall (mb, conv_to_icall (conv, &stind_op));
1738 mono_mb_emit_byte (mb, stind_op);
1740 case MONO_MARSHAL_CONV_STR_BYVALSTR:
1741 case MONO_MARSHAL_CONV_STR_BYVALWSTR: {
1744 mono_mb_emit_ldloc (mb, 1); /* dst */
1745 mono_mb_emit_ldloc (mb, 0);
1746 mono_mb_emit_byte (mb, CEE_LDIND_REF); /* src String */
1747 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1748 mono_mb_emit_icall (mb, conv_to_icall (conv, NULL));
1751 case MONO_MARSHAL_CONV_ARRAY_BYVALARRAY: {
1752 MonoClass *eklass = NULL;
1755 if (type->type == MONO_TYPE_SZARRAY) {
1756 eklass = type->data.klass;
1758 g_assert_not_reached ();
1761 if (eklass->valuetype)
1762 esize = mono_class_native_size (eklass, NULL);
1764 esize = sizeof (gpointer);
1766 mono_mb_emit_ldloc (mb, 0);
1767 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1768 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
1770 if (eklass->blittable) {
1771 mono_mb_emit_ldloc (mb, 1);
1772 mono_mb_emit_ldloc (mb, 0);
1773 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1774 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoArray, vector));
1775 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem * esize);
1776 mono_mb_emit_byte (mb, CEE_PREFIX1);
1777 mono_mb_emit_byte (mb, CEE_CPBLK);
1779 int array_var, src_var, dst_var, index_var;
1780 guint32 label2, label3;
1782 array_var = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
1783 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1784 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1787 mono_mb_emit_ldloc (mb, 0);
1788 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1789 mono_mb_emit_stloc (mb, array_var);
1791 /* save the old src pointer */
1792 mono_mb_emit_ldloc (mb, 0);
1793 mono_mb_emit_stloc (mb, src_var);
1794 /* save the old dst pointer */
1795 mono_mb_emit_ldloc (mb, 1);
1796 mono_mb_emit_stloc (mb, dst_var);
1798 /* Emit marshalling loop */
1799 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1800 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
1801 mono_mb_emit_stloc (mb, index_var);
1804 label2 = mono_mb_get_label (mb);
1805 mono_mb_emit_ldloc (mb, index_var);
1806 mono_mb_emit_ldloc (mb, array_var);
1807 mono_mb_emit_byte (mb, CEE_LDLEN);
1808 label3 = mono_mb_emit_branch (mb, CEE_BGE);
1811 mono_mb_emit_ldloc (mb, array_var);
1812 mono_mb_emit_ldloc (mb, index_var);
1813 mono_mb_emit_op (mb, CEE_LDELEMA, eklass);
1814 mono_mb_emit_stloc (mb, 0);
1816 /* dst is already set */
1818 /* Do the conversion */
1819 emit_struct_conv (mb, eklass, FALSE);
1822 mono_mb_emit_add_to_local (mb, index_var, 1);
1824 mono_mb_emit_branch_label (mb, CEE_BR, label2);
1826 mono_mb_patch_branch (mb, label3);
1828 /* restore the old src pointer */
1829 mono_mb_emit_ldloc (mb, src_var);
1830 mono_mb_emit_stloc (mb, 0);
1831 /* restore the old dst pointer */
1832 mono_mb_emit_ldloc (mb, dst_var);
1833 mono_mb_emit_stloc (mb, 1);
1836 mono_mb_patch_branch (mb, pos);
1839 case MONO_MARSHAL_CONV_ARRAY_BYVALCHARARRAY: {
1840 mono_mb_emit_ldloc (mb, 0);
1841 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1842 pos = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
1844 mono_mb_emit_ldloc (mb, 1);
1845 mono_mb_emit_ldloc (mb, 0);
1846 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1847 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1848 mono_mb_emit_icall (mb, mono_array_to_byte_byvalarray);
1849 mono_mb_patch_short_branch (mb, pos);
1852 case MONO_MARSHAL_CONV_OBJECT_STRUCT: {
1853 int src_var, dst_var;
1855 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1856 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1858 mono_mb_emit_ldloc (mb, 0);
1859 mono_mb_emit_byte (mb, CEE_LDIND_I);
1860 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
1862 /* save the old src pointer */
1863 mono_mb_emit_ldloc (mb, 0);
1864 mono_mb_emit_stloc (mb, src_var);
1865 /* save the old dst pointer */
1866 mono_mb_emit_ldloc (mb, 1);
1867 mono_mb_emit_stloc (mb, dst_var);
1869 /* src = pointer to object data */
1870 mono_mb_emit_ldloc (mb, 0);
1871 mono_mb_emit_byte (mb, CEE_LDIND_I);
1872 mono_mb_emit_icon (mb, sizeof (MonoObject));
1873 mono_mb_emit_byte (mb, CEE_ADD);
1874 mono_mb_emit_stloc (mb, 0);
1876 emit_struct_conv (mb, mono_class_from_mono_type (type), FALSE);
1878 /* restore the old src pointer */
1879 mono_mb_emit_ldloc (mb, src_var);
1880 mono_mb_emit_stloc (mb, 0);
1881 /* restore the old dst pointer */
1882 mono_mb_emit_ldloc (mb, dst_var);
1883 mono_mb_emit_stloc (mb, 1);
1885 mono_mb_patch_branch (mb, pos);
1890 case MONO_MARSHAL_CONV_OBJECT_INTERFACE:
1891 case MONO_MARSHAL_CONV_OBJECT_IDISPATCH:
1892 case MONO_MARSHAL_CONV_OBJECT_IUNKNOWN:
1893 mono_cominterop_emit_object_to_ptr_conv (mb, type, conv, mspec);
1895 #endif /* DISABLE_COM */
1897 case MONO_MARSHAL_CONV_SAFEHANDLE: {
1900 mono_mb_emit_ldloc (mb, 0);
1901 mono_mb_emit_byte (mb, CEE_LDIND_I);
1902 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
1903 mono_mb_emit_exception (mb, "ArgumentNullException", NULL);
1904 mono_mb_patch_branch (mb, pos);
1906 /* Pull the handle field from SafeHandle */
1907 mono_mb_emit_ldloc (mb, 1);
1908 mono_mb_emit_ldloc (mb, 0);
1909 mono_mb_emit_byte (mb, CEE_LDIND_I);
1910 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoSafeHandle, handle));
1911 mono_mb_emit_byte (mb, CEE_LDIND_I);
1912 mono_mb_emit_byte (mb, CEE_STIND_I);
1916 case MONO_MARSHAL_CONV_HANDLEREF: {
1917 mono_mb_emit_ldloc (mb, 1);
1918 mono_mb_emit_ldloc (mb, 0);
1919 mono_mb_emit_icon (mb, MONO_STRUCT_OFFSET (MonoHandleRef, handle));
1920 mono_mb_emit_byte (mb, CEE_ADD);
1921 mono_mb_emit_byte (mb, CEE_LDIND_I);
1922 mono_mb_emit_byte (mb, CEE_STIND_I);
1927 g_error ("marshalling conversion %d not implemented", conv);
1933 offset_of_first_nonstatic_field (MonoClass *klass)
1936 int fcount = mono_class_get_field_count (klass);
1937 mono_class_setup_fields (klass);
1938 for (i = 0; i < fcount; i++) {
1939 if (!(klass->fields[i].type->attrs & FIELD_ATTRIBUTE_STATIC) && !mono_field_is_deleted (&klass->fields[i]))
1940 return klass->fields[i].offset - sizeof (MonoObject);
1947 get_fixed_buffer_attr (MonoClassField *field, MonoType **out_etype, int *out_len)
1950 MonoCustomAttrInfo *cinfo;
1951 MonoCustomAttrEntry *attr;
1954 cinfo = mono_custom_attrs_from_field_checked (field->parent, field, &error);
1955 if (!is_ok (&error))
1959 for (aindex = 0; aindex < cinfo->num_attrs; ++aindex) {
1960 MonoClass *ctor_class = cinfo->attrs [aindex].ctor->klass;
1961 if (mono_class_has_parent (ctor_class, mono_class_get_fixed_buffer_attribute_class ())) {
1962 attr = &cinfo->attrs [aindex];
1968 MonoArray *typed_args, *named_args;
1969 CattrNamedArg *arginfo;
1972 mono_reflection_create_custom_attr_data_args (mono_defaults.corlib, attr->ctor, attr->data, attr->data_size, &typed_args, &named_args, &arginfo, &error);
1973 if (!is_ok (&error))
1975 g_assert (mono_array_length (typed_args) == 2);
1978 o = mono_array_get (typed_args, MonoObject*, 0);
1979 *out_etype = monotype_cast (o)->type;
1980 o = mono_array_get (typed_args, MonoObject*, 1);
1981 g_assert (o->vtable->klass == mono_defaults.int32_class);
1982 *out_len = *(gint32*)mono_object_unbox (o);
1985 if (cinfo && !cinfo->cached)
1986 mono_custom_attrs_free (cinfo);
1987 return attr != NULL;
1991 emit_fixed_buf_conv (MonoMethodBuilder *mb, MonoType *type, MonoType *etype, int len, gboolean to_object, int *out_usize)
1993 MonoClass *klass = mono_class_from_mono_type (type);
1994 MonoClass *eklass = mono_class_from_mono_type (etype);
1997 esize = mono_class_native_size (eklass, NULL);
1999 MonoMarshalNative string_encoding = klass->unicode ? MONO_NATIVE_LPWSTR : MONO_NATIVE_LPSTR;
2000 int usize = mono_class_value_size (eklass, NULL);
2001 int msize = mono_class_value_size (eklass, NULL);
2003 //printf ("FIXED: %s %d %d\n", mono_type_full_name (type), eklass->blittable, string_encoding);
2005 if (eklass->blittable) {
2006 /* copy the elements */
2007 mono_mb_emit_ldloc (mb, 1);
2008 mono_mb_emit_ldloc (mb, 0);
2009 mono_mb_emit_icon (mb, len * esize);
2010 mono_mb_emit_byte (mb, CEE_PREFIX1);
2011 mono_mb_emit_byte (mb, CEE_CPBLK);
2014 guint32 label2, label3;
2016 /* Emit marshalling loop */
2017 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2018 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
2019 mono_mb_emit_stloc (mb, index_var);
2022 label2 = mono_mb_get_label (mb);
2023 mono_mb_emit_ldloc (mb, index_var);
2024 mono_mb_emit_icon (mb, len);
2025 label3 = mono_mb_emit_branch (mb, CEE_BGE);
2027 /* src/dst is already set */
2029 /* Do the conversion */
2030 MonoTypeEnum t = etype->type;
2036 case MONO_TYPE_BOOLEAN:
2039 case MONO_TYPE_CHAR:
2045 mono_mb_emit_ldloc (mb, 1);
2046 mono_mb_emit_ldloc (mb, 0);
2047 if (t == MONO_TYPE_CHAR && string_encoding != MONO_NATIVE_LPWSTR) {
2049 mono_mb_emit_byte (mb, CEE_LDIND_U1);
2050 mono_mb_emit_byte (mb, CEE_STIND_I2);
2052 mono_mb_emit_byte (mb, CEE_LDIND_U2);
2053 mono_mb_emit_byte (mb, CEE_STIND_I1);
2057 mono_mb_emit_byte (mb, mono_type_to_ldind (etype));
2058 mono_mb_emit_byte (mb, mono_type_to_stind (etype));
2062 g_assert_not_reached ();
2067 mono_mb_emit_add_to_local (mb, 0, usize);
2068 mono_mb_emit_add_to_local (mb, 1, msize);
2070 mono_mb_emit_add_to_local (mb, 0, msize);
2071 mono_mb_emit_add_to_local (mb, 1, usize);
2075 mono_mb_emit_add_to_local (mb, index_var, 1);
2077 mono_mb_emit_branch_label (mb, CEE_BR, label2);
2079 mono_mb_patch_branch (mb, label3);
2082 *out_usize = usize * len;
2086 emit_struct_conv_full (MonoMethodBuilder *mb, MonoClass *klass, gboolean to_object,
2087 int offset_of_first_child_field, MonoMarshalNative string_encoding)
2089 MonoMarshalType *info;
2093 emit_struct_conv_full (mb, klass->parent, to_object, offset_of_first_nonstatic_field (klass), string_encoding);
2095 info = mono_marshal_load_type_info (klass);
2097 if (info->native_size == 0)
2100 if (klass->blittable) {
2101 int usize = mono_class_value_size (klass, NULL);
2102 g_assert (usize == info->native_size);
2103 mono_mb_emit_ldloc (mb, 1);
2104 mono_mb_emit_ldloc (mb, 0);
2105 mono_mb_emit_icon (mb, usize);
2106 mono_mb_emit_byte (mb, CEE_PREFIX1);
2107 mono_mb_emit_byte (mb, CEE_CPBLK);
2110 mono_mb_emit_add_to_local (mb, 0, usize);
2111 mono_mb_emit_add_to_local (mb, 1, offset_of_first_child_field);
2113 mono_mb_emit_add_to_local (mb, 0, offset_of_first_child_field);
2114 mono_mb_emit_add_to_local (mb, 1, usize);
2119 if (klass != mono_class_try_get_safehandle_class ()) {
2120 if (mono_class_is_auto_layout (klass)) {
2121 char *msg = g_strdup_printf ("Type %s which is passed to unmanaged code must have a StructLayout attribute.",
2122 mono_type_full_name (&klass->byval_arg));
2123 mono_mb_emit_exception_marshal_directive (mb, msg);
2128 for (i = 0; i < info->num_fields; i++) {
2129 MonoMarshalNative ntype;
2130 MonoMarshalConv conv;
2131 MonoType *ftype = info->fields [i].field->type;
2134 gboolean last_field = i < (info->num_fields -1) ? 0 : 1;
2136 if (ftype->attrs & FIELD_ATTRIBUTE_STATIC)
2139 ntype = (MonoMarshalNative)mono_type_to_unmanaged (ftype, info->fields [i].mspec, TRUE, klass->unicode, &conv);
2142 msize = klass->instance_size - info->fields [i].field->offset;
2143 usize = info->native_size - info->fields [i].offset;
2145 msize = info->fields [i + 1].field->offset - info->fields [i].field->offset;
2146 usize = info->fields [i + 1].offset - info->fields [i].offset;
2149 if (klass != mono_class_try_get_safehandle_class ()){
2151 * FIXME: Should really check for usize==0 and msize>0, but we apply
2152 * the layout to the managed structure as well.
2155 if (mono_class_is_explicit_layout (klass) && (usize == 0)) {
2156 if (MONO_TYPE_IS_REFERENCE (info->fields [i].field->type) ||
2157 ((!last_field && MONO_TYPE_IS_REFERENCE (info->fields [i + 1].field->type))))
2158 g_error ("Type %s which has an [ExplicitLayout] attribute cannot have a "
2159 "reference field at the same offset as another field.",
2160 mono_type_full_name (&klass->byval_arg));
2165 case MONO_MARSHAL_CONV_NONE: {
2168 //XXX a byref field!?!? that's not allowed! and worse, it might miss a WB
2169 g_assert (!ftype->byref);
2170 if (ftype->type == MONO_TYPE_I || ftype->type == MONO_TYPE_U) {
2171 mono_mb_emit_ldloc (mb, 1);
2172 mono_mb_emit_ldloc (mb, 0);
2173 mono_mb_emit_byte (mb, CEE_LDIND_I);
2174 mono_mb_emit_byte (mb, CEE_STIND_I);
2185 case MONO_TYPE_BOOLEAN:
2188 case MONO_TYPE_CHAR:
2194 mono_mb_emit_ldloc (mb, 1);
2195 mono_mb_emit_ldloc (mb, 0);
2196 if (t == MONO_TYPE_CHAR && ntype == MONO_NATIVE_U1 && string_encoding != MONO_NATIVE_LPWSTR) {
2198 mono_mb_emit_byte (mb, CEE_LDIND_U1);
2199 mono_mb_emit_byte (mb, CEE_STIND_I2);
2201 mono_mb_emit_byte (mb, CEE_LDIND_U2);
2202 mono_mb_emit_byte (mb, CEE_STIND_I1);
2205 mono_mb_emit_byte (mb, mono_type_to_ldind (ftype));
2206 mono_mb_emit_byte (mb, mono_type_to_stind (ftype));
2209 case MONO_TYPE_VALUETYPE: {
2210 int src_var, dst_var;
2214 if (ftype->data.klass->enumtype) {
2215 ftype = mono_class_enum_basetype (ftype->data.klass);
2219 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2220 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2222 /* save the old src pointer */
2223 mono_mb_emit_ldloc (mb, 0);
2224 mono_mb_emit_stloc (mb, src_var);
2225 /* save the old dst pointer */
2226 mono_mb_emit_ldloc (mb, 1);
2227 mono_mb_emit_stloc (mb, dst_var);
2229 if (get_fixed_buffer_attr (info->fields [i].field, &etype, &len)) {
2230 emit_fixed_buf_conv (mb, ftype, etype, len, to_object, &usize);
2232 emit_struct_conv (mb, ftype->data.klass, to_object);
2235 /* restore the old src pointer */
2236 mono_mb_emit_ldloc (mb, src_var);
2237 mono_mb_emit_stloc (mb, 0);
2238 /* restore the old dst pointer */
2239 mono_mb_emit_ldloc (mb, dst_var);
2240 mono_mb_emit_stloc (mb, 1);
2243 case MONO_TYPE_OBJECT: {
2246 static MonoMethod *variant_clear = NULL;
2247 static MonoMethod *get_object_for_native_variant = NULL;
2250 variant_clear = mono_class_get_method_from_name (mono_class_get_variant_class (), "Clear", 0);
2251 if (!get_object_for_native_variant)
2252 get_object_for_native_variant = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetObjectForNativeVariant", 1);
2253 mono_mb_emit_ldloc (mb, 1);
2254 mono_mb_emit_ldloc (mb, 0);
2255 mono_mb_emit_managed_call (mb, get_object_for_native_variant, NULL);
2256 mono_mb_emit_byte (mb, CEE_STIND_REF);
2258 mono_mb_emit_ldloc (mb, 0);
2259 mono_mb_emit_managed_call (mb, variant_clear, NULL);
2262 static MonoMethod *get_native_variant_for_object = NULL;
2264 if (!get_native_variant_for_object)
2265 get_native_variant_for_object = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetNativeVariantForObject", 2);
2267 mono_mb_emit_ldloc (mb, 0);
2268 mono_mb_emit_byte(mb, CEE_LDIND_REF);
2269 mono_mb_emit_ldloc (mb, 1);
2270 mono_mb_emit_managed_call (mb, get_native_variant_for_object, NULL);
2273 char *msg = g_strdup_printf ("COM support was disabled at compilation time.");
2274 mono_mb_emit_exception_marshal_directive (mb, msg);
2280 g_warning ("marshaling type %02x not implemented", ftype->type);
2281 g_assert_not_reached ();
2286 int src_var, dst_var;
2288 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2289 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2291 /* save the old src pointer */
2292 mono_mb_emit_ldloc (mb, 0);
2293 mono_mb_emit_stloc (mb, src_var);
2294 /* save the old dst pointer */
2295 mono_mb_emit_ldloc (mb, 1);
2296 mono_mb_emit_stloc (mb, dst_var);
2299 emit_ptr_to_object_conv (mb, ftype, conv, info->fields [i].mspec);
2301 emit_object_to_ptr_conv (mb, ftype, conv, info->fields [i].mspec);
2303 /* restore the old src pointer */
2304 mono_mb_emit_ldloc (mb, src_var);
2305 mono_mb_emit_stloc (mb, 0);
2306 /* restore the old dst pointer */
2307 mono_mb_emit_ldloc (mb, dst_var);
2308 mono_mb_emit_stloc (mb, 1);
2313 mono_mb_emit_add_to_local (mb, 0, usize);
2314 mono_mb_emit_add_to_local (mb, 1, msize);
2316 mono_mb_emit_add_to_local (mb, 0, msize);
2317 mono_mb_emit_add_to_local (mb, 1, usize);
2323 emit_struct_conv (MonoMethodBuilder *mb, MonoClass *klass, gboolean to_object)
2325 emit_struct_conv_full (mb, klass, to_object, 0, (MonoMarshalNative)-1);
2329 emit_struct_free (MonoMethodBuilder *mb, MonoClass *klass, int struct_var)
2331 /* Call DestroyStructure */
2332 /* FIXME: Only do this if needed */
2333 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2334 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
2335 mono_mb_emit_ldloc (mb, struct_var);
2336 mono_mb_emit_icall (mb, mono_struct_delete_old);
2340 emit_thread_interrupt_checkpoint_call (MonoMethodBuilder *mb, gpointer checkpoint_func)
2342 int pos_noabort, pos_noex;
2344 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2345 mono_mb_emit_byte (mb, CEE_MONO_LDPTR_INT_REQ_FLAG);
2346 mono_mb_emit_byte (mb, CEE_LDIND_U4);
2347 pos_noabort = mono_mb_emit_branch (mb, CEE_BRFALSE);
2349 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2350 mono_mb_emit_byte (mb, CEE_MONO_NOT_TAKEN);
2352 mono_mb_emit_icall (mb, checkpoint_func);
2353 /* Throw the exception returned by the checkpoint function, if any */
2354 mono_mb_emit_byte (mb, CEE_DUP);
2355 pos_noex = mono_mb_emit_branch (mb, CEE_BRFALSE);
2356 mono_mb_emit_byte (mb, CEE_THROW);
2357 mono_mb_patch_branch (mb, pos_noex);
2358 mono_mb_emit_byte (mb, CEE_POP);
2360 mono_mb_patch_branch (mb, pos_noabort);
2364 emit_thread_interrupt_checkpoint (MonoMethodBuilder *mb)
2366 if (strstr (mb->name, "mono_thread_interruption_checkpoint"))
2369 emit_thread_interrupt_checkpoint_call (mb, mono_thread_interruption_checkpoint);
2373 emit_thread_force_interrupt_checkpoint (MonoMethodBuilder *mb)
2375 emit_thread_interrupt_checkpoint_call (mb, mono_thread_force_interruption_checkpoint_noraise);
2379 mono_marshal_emit_thread_interrupt_checkpoint (MonoMethodBuilder *mb)
2381 emit_thread_interrupt_checkpoint (mb);
2385 mono_marshal_emit_thread_force_interrupt_checkpoint (MonoMethodBuilder *mb)
2387 emit_thread_force_interrupt_checkpoint (mb);
2390 #endif /* DISABLE_JIT */
2392 /* This is a JIT icall, it sets the pending exception and returns NULL on error. */
2393 static MonoAsyncResult *
2394 mono_delegate_begin_invoke (MonoDelegate *delegate, gpointer *params)
2397 MonoMulticastDelegate *mcast_delegate;
2401 g_assert (delegate);
2402 mcast_delegate = (MonoMulticastDelegate *) delegate;
2403 if (mcast_delegate->delegates != NULL) {
2404 mono_set_pending_exception (mono_get_exception_argument (NULL, "The delegate must have only one target"));
2408 #ifndef DISABLE_REMOTING
2409 if (delegate->target && mono_object_class (delegate->target) == mono_defaults.transparent_proxy_class) {
2410 MonoTransparentProxy* tp = (MonoTransparentProxy *)delegate->target;
2411 if (!mono_class_is_contextbound (tp->remote_class->proxy_class) || tp->rp->context != (MonoObject *) mono_context_get ()) {
2412 /* If the target is a proxy, make a direct call. Is proxy's work
2413 // to make the call asynchronous.
2415 MonoMethodMessage *msg;
2416 MonoDelegate *async_callback;
2418 MonoAsyncResult *ares;
2420 MonoArray *out_args;
2421 method = delegate->method;
2423 msg = mono_method_call_message_new (mono_marshal_method_from_wrapper (method), params, NULL, &async_callback, &state, &error);
2424 if (mono_error_set_pending_exception (&error))
2426 ares = mono_async_result_new (mono_domain_get (), NULL, state, NULL, NULL, &error);
2427 if (mono_error_set_pending_exception (&error))
2429 MONO_OBJECT_SETREF (ares, async_delegate, (MonoObject *)delegate);
2430 MONO_OBJECT_SETREF (ares, async_callback, (MonoObject *)async_callback);
2431 MONO_OBJECT_SETREF (msg, async_result, ares);
2432 msg->call_type = CallType_BeginInvoke;
2435 mono_remoting_invoke ((MonoObject *)tp->rp, msg, &exc, &out_args, &error);
2436 if (!mono_error_ok (&error)) {
2437 mono_error_set_pending_exception (&error);
2441 mono_set_pending_exception ((MonoException *) exc);
2447 klass = delegate->object.vtable->klass;
2449 method = mono_class_get_method_from_name (klass, "BeginInvoke", -1);
2451 method = mono_get_delegate_invoke (klass);
2454 MonoAsyncResult *result = mono_threadpool_ms_begin_invoke (mono_domain_get (), (MonoObject*) delegate, method, params, &error);
2455 mono_error_set_pending_exception (&error);
2462 mono_mb_emit_save_args (MonoMethodBuilder *mb, MonoMethodSignature *sig, gboolean save_this)
2464 int i, params_var, tmp_var;
2466 /* allocate local (pointer) *params[] */
2467 params_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2468 /* allocate local (pointer) tmp */
2469 tmp_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2471 /* alloate space on stack to store an array of pointers to the arguments */
2472 mono_mb_emit_icon (mb, sizeof (gpointer) * (sig->param_count + 1));
2473 mono_mb_emit_byte (mb, CEE_PREFIX1);
2474 mono_mb_emit_byte (mb, CEE_LOCALLOC);
2475 mono_mb_emit_stloc (mb, params_var);
2478 mono_mb_emit_ldloc (mb, params_var);
2479 mono_mb_emit_stloc (mb, tmp_var);
2481 if (save_this && sig->hasthis) {
2482 mono_mb_emit_ldloc (mb, tmp_var);
2483 mono_mb_emit_ldarg_addr (mb, 0);
2484 mono_mb_emit_byte (mb, CEE_STIND_I);
2485 /* tmp = tmp + sizeof (gpointer) */
2486 if (sig->param_count)
2487 mono_mb_emit_add_to_local (mb, tmp_var, sizeof (gpointer));
2491 for (i = 0; i < sig->param_count; i++) {
2492 mono_mb_emit_ldloc (mb, tmp_var);
2493 mono_mb_emit_ldarg_addr (mb, i + sig->hasthis);
2494 mono_mb_emit_byte (mb, CEE_STIND_I);
2495 /* tmp = tmp + sizeof (gpointer) */
2496 if (i < (sig->param_count - 1))
2497 mono_mb_emit_add_to_local (mb, tmp_var, sizeof (gpointer));
2503 #endif /* DISABLE_JIT */
2506 mono_signature_to_name (MonoMethodSignature *sig, const char *prefix)
2510 GString *res = g_string_new ("");
2513 g_string_append (res, prefix);
2514 g_string_append_c (res, '_');
2517 mono_type_get_desc (res, sig->ret, FALSE);
2520 g_string_append (res, "__this__");
2522 for (i = 0; i < sig->param_count; ++i) {
2523 g_string_append_c (res, '_');
2524 mono_type_get_desc (res, sig->params [i], FALSE);
2527 g_string_free (res, FALSE);
2532 * mono_marshal_get_string_encoding:
2534 * Return the string encoding which should be used for a given parameter.
2536 static MonoMarshalNative
2537 mono_marshal_get_string_encoding (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
2539 /* First try the parameter marshal info */
2541 if (spec->native == MONO_NATIVE_LPARRAY) {
2542 if ((spec->data.array_data.elem_type != 0) && (spec->data.array_data.elem_type != MONO_NATIVE_MAX))
2543 return spec->data.array_data.elem_type;
2546 return spec->native;
2550 return MONO_NATIVE_LPSTR;
2552 /* Then try the method level marshal info */
2553 switch (piinfo->piflags & PINVOKE_ATTRIBUTE_CHAR_SET_MASK) {
2554 case PINVOKE_ATTRIBUTE_CHAR_SET_ANSI:
2555 return MONO_NATIVE_LPSTR;
2556 case PINVOKE_ATTRIBUTE_CHAR_SET_UNICODE:
2557 return MONO_NATIVE_LPWSTR;
2558 case PINVOKE_ATTRIBUTE_CHAR_SET_AUTO:
2560 return MONO_NATIVE_LPWSTR;
2562 return MONO_NATIVE_LPSTR;
2565 return MONO_NATIVE_LPSTR;
2569 static MonoMarshalConv
2570 mono_marshal_get_string_to_ptr_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
2572 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
2575 case MONO_NATIVE_LPWSTR:
2576 return MONO_MARSHAL_CONV_STR_LPWSTR;
2577 case MONO_NATIVE_LPSTR:
2578 case MONO_NATIVE_VBBYREFSTR:
2579 return MONO_MARSHAL_CONV_STR_LPSTR;
2580 case MONO_NATIVE_LPTSTR:
2581 return MONO_MARSHAL_CONV_STR_LPTSTR;
2582 case MONO_NATIVE_BSTR:
2583 return MONO_MARSHAL_CONV_STR_BSTR;
2584 case MONO_NATIVE_UTF8STR:
2585 return MONO_MARSHAL_CONV_STR_UTF8STR;
2587 return MONO_MARSHAL_CONV_INVALID;
2591 static MonoMarshalConv
2592 mono_marshal_get_stringbuilder_to_ptr_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
2594 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
2597 case MONO_NATIVE_LPWSTR:
2598 return MONO_MARSHAL_CONV_SB_LPWSTR;
2599 case MONO_NATIVE_LPSTR:
2600 return MONO_MARSHAL_CONV_SB_LPSTR;
2601 case MONO_NATIVE_UTF8STR:
2602 return MONO_MARSHAL_CONV_SB_UTF8STR;
2603 case MONO_NATIVE_LPTSTR:
2604 return MONO_MARSHAL_CONV_SB_LPTSTR;
2606 return MONO_MARSHAL_CONV_INVALID;
2610 static MonoMarshalConv
2611 mono_marshal_get_ptr_to_string_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec, gboolean *need_free)
2613 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
2618 case MONO_NATIVE_LPWSTR:
2620 return MONO_MARSHAL_CONV_LPWSTR_STR;
2621 case MONO_NATIVE_UTF8STR:
2622 return MONO_MARSHAL_CONV_UTF8STR_STR;
2623 case MONO_NATIVE_LPSTR:
2624 case MONO_NATIVE_VBBYREFSTR:
2625 return MONO_MARSHAL_CONV_LPSTR_STR;
2626 case MONO_NATIVE_LPTSTR:
2627 return MONO_MARSHAL_CONV_LPTSTR_STR;
2628 case MONO_NATIVE_BSTR:
2629 return MONO_MARSHAL_CONV_BSTR_STR;
2631 return MONO_MARSHAL_CONV_INVALID;
2635 static MonoMarshalConv
2636 mono_marshal_get_ptr_to_stringbuilder_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec, gboolean *need_free)
2638 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
2643 case MONO_NATIVE_LPWSTR:
2645 * mono_string_builder_to_utf16 does not allocate a
2646 * new buffer, so no need to free it.
2649 return MONO_MARSHAL_CONV_LPWSTR_SB;
2650 case MONO_NATIVE_UTF8STR:
2651 return MONO_MARSHAL_CONV_UTF8STR_SB;
2652 case MONO_NATIVE_LPSTR:
2653 return MONO_MARSHAL_CONV_LPSTR_SB;
2655 case MONO_NATIVE_LPTSTR:
2656 return MONO_MARSHAL_CONV_LPTSTR_SB;
2659 return MONO_MARSHAL_CONV_INVALID;
2664 * Return whenever a field of a native structure or an array member needs to
2668 mono_marshal_need_free (MonoType *t, MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
2670 MonoMarshalNative encoding;
2673 case MONO_TYPE_VALUETYPE:
2674 /* FIXME: Optimize this */
2676 case MONO_TYPE_OBJECT:
2677 case MONO_TYPE_CLASS:
2678 if (t->data.klass == mono_defaults.stringbuilder_class) {
2680 mono_marshal_get_ptr_to_stringbuilder_conv (piinfo, spec, &need_free);
2684 case MONO_TYPE_STRING:
2685 encoding = mono_marshal_get_string_encoding (piinfo, spec);
2686 return (encoding == MONO_NATIVE_LPWSTR) ? FALSE : TRUE;
2693 * Return the hash table pointed to by VAR, lazily creating it if neccesary.
2696 get_cache (GHashTable **var, GHashFunc hash_func, GCompareFunc equal_func)
2699 mono_marshal_lock ();
2702 g_hash_table_new (hash_func, equal_func);
2703 mono_memory_barrier ();
2706 mono_marshal_unlock ();
2712 mono_marshal_get_cache (GHashTable **var, GHashFunc hash_func, GCompareFunc equal_func)
2714 return get_cache (var, hash_func, equal_func);
2718 mono_marshal_find_in_cache (GHashTable *cache, gpointer key)
2722 mono_marshal_lock ();
2723 res = (MonoMethod *)g_hash_table_lookup (cache, key);
2724 mono_marshal_unlock ();
2731 * Create a MonoMethod from MB, set INFO as wrapper info.
2734 mono_mb_create (MonoMethodBuilder *mb, MonoMethodSignature *sig,
2735 int max_stack, WrapperInfo *info)
2739 res = mono_mb_create_method (mb, sig, max_stack);
2741 mono_marshal_set_wrapper_info (res, info);
2745 /* Create the method from the builder and place it in the cache */
2747 mono_mb_create_and_cache_full (GHashTable *cache, gpointer key,
2748 MonoMethodBuilder *mb, MonoMethodSignature *sig,
2749 int max_stack, WrapperInfo *info, gboolean *out_found)
2756 mono_marshal_lock ();
2757 res = (MonoMethod *)g_hash_table_lookup (cache, key);
2758 mono_marshal_unlock ();
2761 newm = mono_mb_create_method (mb, sig, max_stack);
2762 mono_marshal_lock ();
2763 res = (MonoMethod *)g_hash_table_lookup (cache, key);
2766 g_hash_table_insert (cache, key, res);
2767 mono_marshal_set_wrapper_info (res, info);
2768 mono_marshal_unlock ();
2772 mono_marshal_unlock ();
2773 mono_free_method (newm);
2781 mono_mb_create_and_cache (GHashTable *cache, gpointer key,
2782 MonoMethodBuilder *mb, MonoMethodSignature *sig,
2785 return mono_mb_create_and_cache_full (cache, key, mb, sig, max_stack, NULL, NULL);
2789 mono_marshal_method_from_wrapper (MonoMethod *wrapper)
2792 int wrapper_type = wrapper->wrapper_type;
2795 if (wrapper_type == MONO_WRAPPER_NONE || wrapper_type == MONO_WRAPPER_DYNAMIC_METHOD)
2798 info = mono_marshal_get_wrapper_info (wrapper);
2800 switch (wrapper_type) {
2801 case MONO_WRAPPER_REMOTING_INVOKE:
2802 case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK:
2803 case MONO_WRAPPER_XDOMAIN_INVOKE:
2804 m = info->d.remoting.method;
2805 if (wrapper->is_inflated) {
2809 * A method cannot be inflated and a wrapper at the same time, so the wrapper info
2810 * contains an uninflated method.
2812 result = mono_class_inflate_generic_method_checked (m, mono_method_get_context (wrapper), &error);
2813 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
2817 case MONO_WRAPPER_SYNCHRONIZED:
2818 m = info->d.synchronized.method;
2819 if (wrapper->is_inflated) {
2822 result = mono_class_inflate_generic_method_checked (m, mono_method_get_context (wrapper), &error);
2823 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
2827 case MONO_WRAPPER_UNBOX:
2828 return info->d.unbox.method;
2829 case MONO_WRAPPER_MANAGED_TO_NATIVE:
2830 if (info && (info->subtype == WRAPPER_SUBTYPE_NONE || info->subtype == WRAPPER_SUBTYPE_NATIVE_FUNC_AOT || info->subtype == WRAPPER_SUBTYPE_PINVOKE))
2831 return info->d.managed_to_native.method;
2834 case MONO_WRAPPER_RUNTIME_INVOKE:
2835 if (info && (info->subtype == WRAPPER_SUBTYPE_RUNTIME_INVOKE_DIRECT || info->subtype == WRAPPER_SUBTYPE_RUNTIME_INVOKE_VIRTUAL))
2836 return info->d.runtime_invoke.method;
2839 case MONO_WRAPPER_DELEGATE_INVOKE:
2841 return info->d.delegate_invoke.method;
2850 * mono_marshal_get_wrapper_info:
2852 * Retrieve the WrapperInfo structure associated with WRAPPER.
2855 mono_marshal_get_wrapper_info (MonoMethod *wrapper)
2857 g_assert (wrapper->wrapper_type);
2859 return (WrapperInfo *)mono_method_get_wrapper_data (wrapper, 1);
2863 * mono_marshal_set_wrapper_info:
2865 * Set the WrapperInfo structure associated with the wrapper
2866 * method METHOD to INFO.
2869 mono_marshal_set_wrapper_info (MonoMethod *method, WrapperInfo *info)
2873 if (method->wrapper_type == MONO_WRAPPER_NONE || method->wrapper_type == MONO_WRAPPER_DYNAMIC_METHOD)
2876 datav = (void **)((MonoMethodWrapper *)method)->method_data;
2881 mono_wrapper_info_create (MonoMethodBuilder *mb, WrapperSubtype subtype)
2885 info = (WrapperInfo *)mono_image_alloc0 (mb->method->klass->image, sizeof (WrapperInfo));
2886 info->subtype = subtype;
2891 * get_wrapper_target_class:
2893 * Return the class where a wrapper method should be placed.
2896 get_wrapper_target_class (MonoImage *image)
2903 * - can't put all wrappers into an mscorlib class, because they reference
2904 * metadata (signature) so they should be put into the same image as the
2905 * method they wrap, so they are unloaded together.
2906 * - putting them into a class with a type initalizer could cause the
2907 * initializer to be executed which can be a problem if the wrappers are
2909 * - putting them into an inflated class can cause problems if the the
2910 * class is deleted because it references an image which is unloaded.
2911 * To avoid these problems, we put the wrappers into the <Module> class of
2914 if (image_is_dynamic (image)) {
2915 klass = ((MonoDynamicImage*)image)->wrappers_type;
2917 klass = mono_class_get_checked (image, mono_metadata_make_token (MONO_TABLE_TYPEDEF, 1), &error);
2918 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
2926 * Wrappers for generic methods should be instances of generic wrapper methods, i.e .the wrapper for Sort<int> should be
2927 * an instance of the wrapper for Sort<T>. This is required for full-aot to work.
2931 * check_generic_wrapper_cache:
2933 * Check CACHE for the wrapper of the generic instance ORIG_METHOD, and return it if it is found.
2934 * KEY should be the key for ORIG_METHOD in the cache, while DEF_KEY should be the key of its
2935 * generic method definition.
2938 check_generic_wrapper_cache (GHashTable *cache, MonoMethod *orig_method, gpointer key, gpointer def_key)
2941 MonoMethod *inst, *def;
2942 MonoGenericContext *ctx;
2944 g_assert (orig_method->is_inflated);
2945 ctx = mono_method_get_context (orig_method);
2948 * Look for the instance
2950 res = mono_marshal_find_in_cache (cache, key);
2955 * Look for the definition
2957 def = mono_marshal_find_in_cache (cache, def_key);
2960 inst = mono_class_inflate_generic_method_checked (def, ctx, &error);
2961 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
2963 mono_memory_barrier ();
2964 mono_marshal_lock ();
2965 res = (MonoMethod *)g_hash_table_lookup (cache, key);
2967 g_hash_table_insert (cache, key, inst);
2970 mono_marshal_unlock ();
2977 cache_generic_wrapper (GHashTable *cache, MonoMethod *orig_method, MonoMethod *def, MonoGenericContext *ctx, gpointer key)
2980 MonoMethod *inst, *res;
2983 * We use the same cache for the generic definition and the instances.
2985 inst = mono_class_inflate_generic_method_checked (def, ctx, &error);
2986 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
2987 mono_memory_barrier ();
2988 mono_marshal_lock ();
2989 res = (MonoMethod *)g_hash_table_lookup (cache, key);
2991 g_hash_table_insert (cache, key, inst);
2994 mono_marshal_unlock ();
2999 check_generic_delegate_wrapper_cache (GHashTable *cache, MonoMethod *orig_method, MonoMethod *def_method, MonoGenericContext *ctx)
3003 MonoMethod *inst, *def;
3006 * Look for the instance
3008 res = mono_marshal_find_in_cache (cache, orig_method->klass);
3013 * Look for the definition
3015 def = mono_marshal_find_in_cache (cache, def_method->klass);
3017 inst = mono_class_inflate_generic_method_checked (def, ctx, &error);
3018 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
3021 mono_memory_barrier ();
3022 mono_marshal_lock ();
3023 res = (MonoMethod *)g_hash_table_lookup (cache, orig_method->klass);
3025 g_hash_table_insert (cache, orig_method->klass, inst);
3028 mono_marshal_unlock ();
3035 cache_generic_delegate_wrapper (GHashTable *cache, MonoMethod *orig_method, MonoMethod *def, MonoGenericContext *ctx)
3038 MonoMethod *inst, *res;
3039 WrapperInfo *ginfo, *info;
3042 * We use the same cache for the generic definition and the instances.
3044 inst = mono_class_inflate_generic_method_checked (def, ctx, &error);
3045 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
3047 ginfo = mono_marshal_get_wrapper_info (def);
3049 info = (WrapperInfo *)mono_image_alloc0 (def->klass->image, sizeof (WrapperInfo));
3050 info->subtype = ginfo->subtype;
3051 if (info->subtype == WRAPPER_SUBTYPE_NONE) {
3052 info->d.delegate_invoke.method = mono_class_inflate_generic_method_checked (ginfo->d.delegate_invoke.method, ctx, &error);
3053 mono_error_assert_ok (&error);
3057 mono_memory_barrier ();
3058 mono_marshal_lock ();
3059 res = (MonoMethod *)g_hash_table_lookup (cache, orig_method->klass);
3061 g_hash_table_insert (cache, orig_method->klass, inst);
3064 mono_marshal_unlock ();
3069 mono_marshal_get_delegate_begin_invoke (MonoMethod *method)
3071 MonoMethodSignature *sig;
3072 MonoMethodBuilder *mb;
3077 MonoGenericContext *ctx = NULL;
3078 MonoMethod *orig_method = NULL;
3080 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
3081 !strcmp (method->name, "BeginInvoke"));
3084 * For generic delegates, create a generic wrapper, and returns an instance to help AOT.
3086 if (method->is_inflated) {
3087 orig_method = method;
3088 ctx = &((MonoMethodInflated*)method)->context;
3089 method = ((MonoMethodInflated*)method)->declaring;
3092 sig = mono_signature_no_pinvoke (method);
3098 cache = get_cache (&((MonoMethodInflated*)orig_method)->owner->wrapper_caches.delegate_begin_invoke_cache, mono_aligned_addr_hash, NULL);
3099 res = check_generic_delegate_wrapper_cache (cache, orig_method, method, ctx);
3103 cache = get_cache (&method->klass->image->wrapper_caches.delegate_begin_invoke_cache,
3104 (GHashFunc)mono_signature_hash,
3105 (GCompareFunc)mono_metadata_signature_equal);
3106 if ((res = mono_marshal_find_in_cache (cache, sig)))
3110 g_assert (sig->hasthis);
3112 name = mono_signature_to_name (sig, "begin_invoke");
3114 mb = mono_mb_new (method->klass, name, MONO_WRAPPER_DELEGATE_BEGIN_INVOKE);
3116 mb = mono_mb_new (get_wrapper_target_class (method->klass->image), name, MONO_WRAPPER_DELEGATE_BEGIN_INVOKE);
3120 params_var = mono_mb_emit_save_args (mb, sig, FALSE);
3122 mono_mb_emit_ldarg (mb, 0);
3123 mono_mb_emit_ldloc (mb, params_var);
3124 mono_mb_emit_icall (mb, mono_delegate_begin_invoke);
3125 mono_mb_emit_byte (mb, CEE_RET);
3130 def = mono_mb_create_and_cache (cache, method->klass, mb, sig, sig->param_count + 16);
3131 res = cache_generic_delegate_wrapper (cache, orig_method, def, ctx);
3133 res = mono_mb_create_and_cache (cache, sig, mb, sig, sig->param_count + 16);
3140 /* This is a JIT icall, it sets the pending exception and returns NULL on error. */
3142 mono_delegate_end_invoke (MonoDelegate *delegate, gpointer *params)
3145 MonoDomain *domain = mono_domain_get ();
3146 MonoAsyncResult *ares;
3147 MonoMethod *method = NULL;
3148 MonoMethodSignature *sig;
3149 MonoMethodMessage *msg;
3150 MonoObject *res, *exc;
3151 MonoArray *out_args;
3154 g_assert (delegate);
3156 if (!delegate->method_info) {
3157 g_assert (delegate->method);
3158 MonoReflectionMethod *rm = mono_method_get_object_checked (domain, delegate->method, NULL, &error);
3159 if (!mono_error_ok (&error)) {
3160 mono_error_set_pending_exception (&error);
3163 MONO_OBJECT_SETREF (delegate, method_info, rm);
3166 if (!delegate->method_info || !delegate->method_info->method)
3167 g_assert_not_reached ();
3169 klass = delegate->object.vtable->klass;
3171 method = mono_class_get_method_from_name (klass, "EndInvoke", -1);
3172 g_assert (method != NULL);
3174 sig = mono_signature_no_pinvoke (method);
3176 msg = mono_method_call_message_new (method, params, NULL, NULL, NULL, &error);
3177 if (mono_error_set_pending_exception (&error))
3180 ares = (MonoAsyncResult *)mono_array_get (msg->args, gpointer, sig->param_count - 1);
3182 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."));
3186 if (ares->async_delegate != (MonoObject*)delegate) {
3187 mono_set_pending_exception (mono_get_exception_invalid_operation (
3188 "The IAsyncResult object provided does not match this delegate."));
3192 #ifndef DISABLE_REMOTING
3193 if (delegate->target && mono_object_is_transparent_proxy (delegate->target)) {
3194 MonoTransparentProxy* tp = (MonoTransparentProxy *)delegate->target;
3195 msg = (MonoMethodMessage *)mono_object_new_checked (domain, mono_defaults.mono_method_message_class, &error);
3196 if (!mono_error_ok (&error)) {
3197 mono_error_set_pending_exception (&error);
3200 mono_message_init (domain, msg, delegate->method_info, NULL, &error);
3201 if (mono_error_set_pending_exception (&error))
3203 msg->call_type = CallType_EndInvoke;
3204 MONO_OBJECT_SETREF (msg, async_result, ares);
3205 res = mono_remoting_invoke ((MonoObject *)tp->rp, msg, &exc, &out_args, &error);
3206 if (!mono_error_ok (&error)) {
3207 mono_error_set_pending_exception (&error);
3213 res = mono_threadpool_ms_end_invoke (ares, &out_args, &exc, &error);
3214 if (mono_error_set_pending_exception (&error))
3219 if (((MonoException*)exc)->stack_trace) {
3220 MonoError inner_error;
3221 char *strace = mono_string_to_utf8_checked (((MonoException*)exc)->stack_trace, &inner_error);
3222 if (is_ok (&inner_error)) {
3224 tmp = g_strdup_printf ("%s\nException Rethrown at:\n", strace);
3226 MONO_OBJECT_SETREF (((MonoException*)exc), stack_trace, mono_string_new (domain, tmp));
3229 mono_error_cleanup (&inner_error); /* no stack trace, but at least throw the original exception */
3231 mono_set_pending_exception ((MonoException*)exc);
3234 mono_method_return_message_restore (method, params, out_args, &error);
3235 mono_error_set_pending_exception (&error);
3242 mono_mb_emit_restore_result (MonoMethodBuilder *mb, MonoType *return_type)
3244 MonoType *t = mono_type_get_underlying_type (return_type);
3246 if (return_type->byref)
3247 return_type = &mono_defaults.int_class->byval_arg;
3250 case MONO_TYPE_VOID:
3251 g_assert_not_reached ();
3254 case MONO_TYPE_STRING:
3255 case MONO_TYPE_CLASS:
3256 case MONO_TYPE_OBJECT:
3257 case MONO_TYPE_ARRAY:
3258 case MONO_TYPE_SZARRAY:
3262 case MONO_TYPE_BOOLEAN:
3265 case MONO_TYPE_CHAR:
3275 mono_mb_emit_op (mb, CEE_UNBOX, mono_class_from_mono_type (return_type));
3276 mono_mb_emit_byte (mb, mono_type_to_ldind (return_type));
3278 case MONO_TYPE_GENERICINST:
3279 if (!mono_type_generic_inst_is_valuetype (t))
3282 case MONO_TYPE_VALUETYPE: {
3283 MonoClass *klass = mono_class_from_mono_type (return_type);
3284 mono_mb_emit_op (mb, CEE_UNBOX, klass);
3285 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
3289 case MONO_TYPE_MVAR: {
3290 MonoClass *klass = mono_class_from_mono_type (return_type);
3291 mono_mb_emit_op (mb, CEE_UNBOX_ANY, klass);
3295 g_warning ("type 0x%x not handled", return_type->type);
3296 g_assert_not_reached ();
3299 mono_mb_emit_byte (mb, CEE_RET);
3302 #endif /* DISABLE_JIT */
3305 mono_marshal_get_delegate_end_invoke (MonoMethod *method)
3307 MonoMethodSignature *sig;
3308 MonoMethodBuilder *mb;
3313 MonoGenericContext *ctx = NULL;
3314 MonoMethod *orig_method = NULL;
3316 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
3317 !strcmp (method->name, "EndInvoke"));
3320 * For generic delegates, create a generic wrapper, and returns an instance to help AOT.
3322 if (method->is_inflated) {
3323 orig_method = method;
3324 ctx = &((MonoMethodInflated*)method)->context;
3325 method = ((MonoMethodInflated*)method)->declaring;
3328 sig = mono_signature_no_pinvoke (method);
3334 cache = get_cache (&((MonoMethodInflated*)orig_method)->owner->wrapper_caches.delegate_end_invoke_cache, mono_aligned_addr_hash, NULL);
3335 res = check_generic_delegate_wrapper_cache (cache, orig_method, method, ctx);
3339 cache = get_cache (&method->klass->image->wrapper_caches.delegate_end_invoke_cache,
3340 (GHashFunc)mono_signature_hash,
3341 (GCompareFunc)mono_metadata_signature_equal);
3342 if ((res = mono_marshal_find_in_cache (cache, sig)))
3346 g_assert (sig->hasthis);
3348 name = mono_signature_to_name (sig, "end_invoke");
3350 mb = mono_mb_new (method->klass, name, MONO_WRAPPER_DELEGATE_END_INVOKE);
3352 mb = mono_mb_new (get_wrapper_target_class (method->klass->image), name, MONO_WRAPPER_DELEGATE_END_INVOKE);
3356 params_var = mono_mb_emit_save_args (mb, sig, FALSE);
3358 mono_mb_emit_ldarg (mb, 0);
3359 mono_mb_emit_ldloc (mb, params_var);
3360 mono_mb_emit_icall (mb, mono_delegate_end_invoke);
3362 if (sig->ret->type == MONO_TYPE_VOID) {
3363 mono_mb_emit_byte (mb, CEE_POP);
3364 mono_mb_emit_byte (mb, CEE_RET);
3366 mono_mb_emit_restore_result (mb, sig->ret);
3371 def = mono_mb_create_and_cache (cache, method->klass, mb, sig, sig->param_count + 16);
3372 res = cache_generic_delegate_wrapper (cache, orig_method, def, ctx);
3374 res = mono_mb_create_and_cache (cache, sig,
3375 mb, sig, sig->param_count + 16);
3384 MonoMethodSignature *sig;
3386 } SignaturePointerPair;
3389 signature_pointer_pair_hash (gconstpointer data)
3391 SignaturePointerPair *pair = (SignaturePointerPair*)data;
3393 return mono_signature_hash (pair->sig) ^ mono_aligned_addr_hash (pair->pointer);
3397 signature_pointer_pair_equal (gconstpointer data1, gconstpointer data2)
3399 SignaturePointerPair *pair1 = (SignaturePointerPair*) data1, *pair2 = (SignaturePointerPair*) data2;
3400 return mono_metadata_signature_equal (pair1->sig, pair2->sig) && (pair1->pointer == pair2->pointer);
3404 signature_pointer_pair_matches_pointer (gpointer key, gpointer value, gpointer user_data)
3406 SignaturePointerPair *pair = (SignaturePointerPair*)key;
3408 return pair->pointer == user_data;
3412 free_signature_pointer_pair (SignaturePointerPair *pair)
3418 mono_marshal_get_delegate_invoke_internal (MonoMethod *method, gboolean callvirt, gboolean static_method_with_first_arg_bound, MonoMethod *target_method)
3420 MonoMethodSignature *sig, *static_sig, *invoke_sig;
3422 MonoMethodBuilder *mb;
3425 gpointer cache_key = NULL;
3426 SignaturePointerPair key = { NULL, NULL };
3427 SignaturePointerPair *new_key;
3428 int local_i, local_len, local_delegates, local_d, local_target, local_res;
3429 int pos0, pos1, pos2;
3431 MonoClass *target_class = NULL;
3432 gboolean closed_over_null = FALSE;
3433 MonoGenericContext *ctx = NULL;
3434 MonoGenericContainer *container = NULL;
3435 MonoMethod *orig_method = method;
3437 WrapperSubtype subtype = WRAPPER_SUBTYPE_NONE;
3441 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
3442 !strcmp (method->name, "Invoke"));
3444 invoke_sig = sig = mono_signature_no_pinvoke (method);
3447 * If the delegate target is null, and the target method is not static, a virtual
3448 * call is made to that method with the first delegate argument as this. This is
3449 * a non-documented .NET feature.
3452 subtype = WRAPPER_SUBTYPE_DELEGATE_INVOKE_VIRTUAL;
3453 if (target_method->is_inflated) {
3455 MonoType *target_type;
3457 g_assert (method->signature->hasthis);
3458 target_type = mono_class_inflate_generic_type_checked (method->signature->params [0],
3459 mono_method_get_context (method), &error);
3460 mono_error_assert_ok (&error); /* FIXME don't swallow the error */
3461 target_class = mono_class_from_mono_type (target_type);
3463 target_class = target_method->klass;
3466 closed_over_null = sig->param_count == mono_method_signature (target_method)->param_count;
3469 if (static_method_with_first_arg_bound) {
3470 subtype = WRAPPER_SUBTYPE_DELEGATE_INVOKE_BOUND;
3471 g_assert (!callvirt);
3472 invoke_sig = mono_method_signature (target_method);
3476 * For generic delegates, create a generic wrapper, and return an instance to help AOT.
3478 if (method->is_inflated && subtype == WRAPPER_SUBTYPE_NONE) {
3479 ctx = &((MonoMethodInflated*)method)->context;
3480 method = ((MonoMethodInflated*)method)->declaring;
3482 container = mono_method_get_generic_container (method);
3484 container = mono_class_try_get_generic_container (method->klass); //FIXME is this a case of a try?
3485 g_assert (container);
3487 invoke_sig = sig = mono_signature_no_pinvoke (method);
3494 cache = get_cache (&((MonoMethodInflated*)orig_method)->owner->wrapper_caches.delegate_invoke_cache, mono_aligned_addr_hash, NULL);
3495 res = check_generic_delegate_wrapper_cache (cache, orig_method, method, ctx);
3498 cache_key = method->klass;
3499 } else if (static_method_with_first_arg_bound) {
3500 cache = get_cache (&method->klass->image->delegate_bound_static_invoke_cache,
3501 (GHashFunc)mono_signature_hash,
3502 (GCompareFunc)mono_metadata_signature_equal);
3504 * The wrapper is based on sig+invoke_sig, but sig can be derived from invoke_sig.
3506 res = mono_marshal_find_in_cache (cache, invoke_sig);
3509 cache_key = invoke_sig;
3510 } else if (callvirt) {
3511 GHashTable **cache_ptr;
3513 cache_ptr = &mono_method_get_wrapper_cache (method)->delegate_abstract_invoke_cache;
3515 /* We need to cache the signature+method pair */
3516 mono_marshal_lock ();
3518 *cache_ptr = g_hash_table_new_full (signature_pointer_pair_hash, (GEqualFunc)signature_pointer_pair_equal, (GDestroyNotify)free_signature_pointer_pair, NULL);
3520 key.sig = invoke_sig;
3521 key.pointer = target_method;
3522 res = (MonoMethod *)g_hash_table_lookup (cache, &key);
3523 mono_marshal_unlock ();
3527 // Inflated methods should not be in this cache because it's not stored on the imageset.
3528 g_assert (!method->is_inflated);
3529 cache = get_cache (&method->klass->image->wrapper_caches.delegate_invoke_cache,
3530 (GHashFunc)mono_signature_hash,
3531 (GCompareFunc)mono_metadata_signature_equal);
3532 res = mono_marshal_find_in_cache (cache, sig);
3538 static_sig = mono_metadata_signature_dup_full (method->klass->image, sig);
3539 static_sig->hasthis = 0;
3540 if (!static_method_with_first_arg_bound)
3541 invoke_sig = static_sig;
3543 if (static_method_with_first_arg_bound)
3544 name = mono_signature_to_name (invoke_sig, "invoke_bound");
3545 else if (closed_over_null)
3546 name = mono_signature_to_name (invoke_sig, "invoke_closed_over_null");
3548 name = mono_signature_to_name (invoke_sig, "invoke_callvirt");
3550 name = mono_signature_to_name (invoke_sig, "invoke");
3552 mb = mono_mb_new (method->klass, name, MONO_WRAPPER_DELEGATE_INVOKE);
3554 mb = mono_mb_new (get_wrapper_target_class (method->klass->image), name, MONO_WRAPPER_DELEGATE_INVOKE);
3558 void_ret = sig->ret->type == MONO_TYPE_VOID && !method->string_ctor;
3560 /* allocate local 0 (object) */
3561 local_i = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
3562 local_len = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
3563 local_delegates = mono_mb_add_local (mb, &mono_defaults.array_class->byval_arg);
3564 local_d = mono_mb_add_local (mb, &mono_defaults.multicastdelegate_class->byval_arg);
3565 local_target = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3568 local_res = mono_mb_add_local (mb, &mono_class_from_mono_type (sig->ret)->byval_arg);
3570 g_assert (sig->hasthis);
3573 * {type: sig->ret} res;
3574 * if (delegates == null) {
3575 * return this.<target> ( args .. );
3577 * int i = 0, len = this.delegates.Length;
3579 * res = this.delegates [i].Invoke ( args .. );
3580 * } while (++i < len);
3585 /* this wrapper can be used in unmanaged-managed transitions */
3586 emit_thread_interrupt_checkpoint (mb);
3588 /* delegates = this.delegates */
3589 mono_mb_emit_ldarg (mb, 0);
3590 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoMulticastDelegate, delegates));
3591 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3592 mono_mb_emit_stloc (mb, local_delegates);
3594 /* if (delegates == null) */
3595 mono_mb_emit_ldloc (mb, local_delegates);
3596 pos2 = mono_mb_emit_branch (mb, CEE_BRTRUE);
3598 /* return target.<target_method|method_ptr> ( args .. ); */
3600 /* target = d.target; */
3601 mono_mb_emit_ldarg (mb, 0);
3602 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoDelegate, target));
3603 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3604 mono_mb_emit_stloc (mb, local_target);
3606 /*static methods with bound first arg can have null target and still be bound*/
3607 if (!static_method_with_first_arg_bound) {
3608 /* if target != null */
3609 mono_mb_emit_ldloc (mb, local_target);
3610 pos0 = mono_mb_emit_branch (mb, CEE_BRFALSE);
3612 /* then call this->method_ptr nonstatic */
3615 mono_mb_emit_exception_full (mb, "System", "NotImplementedException", "");
3617 mono_mb_emit_ldloc (mb, local_target);
3618 for (i = 0; i < sig->param_count; ++i)
3619 mono_mb_emit_ldarg (mb, i + 1);
3620 mono_mb_emit_ldarg (mb, 0);
3621 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoDelegate, extra_arg));
3622 mono_mb_emit_byte (mb, CEE_LDIND_I);
3623 mono_mb_emit_ldarg (mb, 0);
3624 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoDelegate, method_ptr));
3625 mono_mb_emit_byte (mb, CEE_LDIND_I);
3626 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3627 mono_mb_emit_op (mb, CEE_MONO_CALLI_EXTRA_ARG, sig);
3628 mono_mb_emit_byte (mb, CEE_RET);
3631 /* else [target == null] call this->method_ptr static */
3632 mono_mb_patch_branch (mb, pos0);
3636 if (!closed_over_null) {
3637 if (target_class->valuetype) {
3638 mono_mb_emit_ldarg (mb, 1);
3639 for (i = 1; i < sig->param_count; ++i)
3640 mono_mb_emit_ldarg (mb, i + 1);
3641 mono_mb_emit_op (mb, CEE_CALL, target_method);
3643 mono_mb_emit_ldarg (mb, 1);
3644 mono_mb_emit_op (mb, CEE_CASTCLASS, target_class);
3645 for (i = 1; i < sig->param_count; ++i)
3646 mono_mb_emit_ldarg (mb, i + 1);
3647 mono_mb_emit_op (mb, CEE_CALLVIRT, target_method);
3650 mono_mb_emit_byte (mb, CEE_LDNULL);
3651 for (i = 0; i < sig->param_count; ++i)
3652 mono_mb_emit_ldarg (mb, i + 1);
3653 mono_mb_emit_op (mb, CEE_CALL, target_method);
3656 if (static_method_with_first_arg_bound) {
3657 mono_mb_emit_ldloc (mb, local_target);
3658 if (!MONO_TYPE_IS_REFERENCE (invoke_sig->params[0]))
3659 mono_mb_emit_op (mb, CEE_UNBOX_ANY, mono_class_from_mono_type (invoke_sig->params[0]));
3661 for (i = 0; i < sig->param_count; ++i)
3662 mono_mb_emit_ldarg (mb, i + 1);
3663 mono_mb_emit_ldarg (mb, 0);
3664 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoDelegate, extra_arg));
3665 mono_mb_emit_byte (mb, CEE_LDIND_I);
3666 mono_mb_emit_ldarg (mb, 0);
3667 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoDelegate, method_ptr));
3668 mono_mb_emit_byte (mb, CEE_LDIND_I);
3669 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3670 mono_mb_emit_op (mb, CEE_MONO_CALLI_EXTRA_ARG, invoke_sig);
3673 mono_mb_emit_byte (mb, CEE_RET);
3675 /* else [delegates != null] */
3676 mono_mb_patch_branch (mb, pos2);
3678 /* len = delegates.Length; */
3679 mono_mb_emit_ldloc (mb, local_delegates);
3680 mono_mb_emit_byte (mb, CEE_LDLEN);
3681 mono_mb_emit_byte (mb, CEE_CONV_I4);
3682 mono_mb_emit_stloc (mb, local_len);
3685 mono_mb_emit_icon (mb, 0);
3686 mono_mb_emit_stloc (mb, local_i);
3688 pos1 = mono_mb_get_label (mb);
3690 /* d = delegates [i]; */
3691 mono_mb_emit_ldloc (mb, local_delegates);
3692 mono_mb_emit_ldloc (mb, local_i);
3693 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3694 mono_mb_emit_stloc (mb, local_d);
3696 /* res = d.Invoke ( args .. ); */
3697 mono_mb_emit_ldloc (mb, local_d);
3698 for (i = 0; i < sig->param_count; i++)
3699 mono_mb_emit_ldarg (mb, i + 1);
3701 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
3704 mono_mb_emit_op (mb, CEE_CALLVIRT, mono_class_inflate_generic_method_checked (method, &container->context, &error));
3705 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
3708 mono_mb_emit_stloc (mb, local_res);
3711 mono_mb_emit_add_to_local (mb, local_i, 1);
3714 mono_mb_emit_ldloc (mb, local_i);
3715 mono_mb_emit_ldloc (mb, local_len);
3716 mono_mb_emit_branch_label (mb, CEE_BLT, pos1);
3720 mono_mb_emit_ldloc (mb, local_res);
3721 mono_mb_emit_byte (mb, CEE_RET);
3723 mb->skip_visibility = 1;
3724 #endif /* DISABLE_JIT */
3726 info = mono_wrapper_info_create (mb, subtype);
3727 info->d.delegate_invoke.method = method;
3732 def = mono_mb_create_and_cache_full (cache, cache_key, mb, sig, sig->param_count + 16, info, NULL);
3733 res = cache_generic_delegate_wrapper (cache, orig_method, def, ctx);
3734 } else if (callvirt) {
3735 new_key = g_new0 (SignaturePointerPair, 1);
3738 res = mono_mb_create_and_cache_full (cache, new_key, mb, sig, sig->param_count + 16, info, &found);
3742 res = mono_mb_create_and_cache_full (cache, cache_key, mb, sig, sig->param_count + 16, info, NULL);
3746 /* mono_method_print_code (res); */
3752 * the returned method invokes all methods in a multicast delegate.
3755 mono_marshal_get_delegate_invoke (MonoMethod *method, MonoDelegate *del)
3757 gboolean callvirt = FALSE;
3758 gboolean static_method_with_first_arg_bound = FALSE;
3759 MonoMethod *target_method = NULL;
3760 MonoMethodSignature *sig;
3762 sig = mono_signature_no_pinvoke (method);
3764 if (del && !del->target && del->method && mono_method_signature (del->method)->hasthis) {
3766 target_method = del->method;
3769 if (del && del->method && mono_method_signature (del->method)->param_count == sig->param_count + 1 && (del->method->flags & METHOD_ATTRIBUTE_STATIC)) {
3770 static_method_with_first_arg_bound = TRUE;
3771 target_method = del->method;
3774 return mono_marshal_get_delegate_invoke_internal (method, callvirt, static_method_with_first_arg_bound, target_method);
3778 MonoMethodSignature *ctor_sig;
3779 MonoMethodSignature *sig;
3782 /* protected by the marshal lock, contains CtorSigPair pointers */
3783 static GSList *strsig_list = NULL;
3785 static MonoMethodSignature *
3786 lookup_string_ctor_signature (MonoMethodSignature *sig)
3788 MonoMethodSignature *callsig;
3792 mono_marshal_lock ();
3794 for (item = strsig_list; item; item = item->next) {
3795 cs = (CtorSigPair *)item->data;
3796 /* mono_metadata_signature_equal () is safe to call with the marshal lock
3797 * because it is lock-free.
3799 if (mono_metadata_signature_equal (sig, cs->ctor_sig)) {
3804 mono_marshal_unlock ();
3808 static MonoMethodSignature *
3809 add_string_ctor_signature (MonoMethod *method)
3811 MonoMethodSignature *callsig;
3814 callsig = mono_metadata_signature_dup_full (method->klass->image, mono_method_signature (method));
3815 callsig->ret = &mono_defaults.string_class->byval_arg;
3816 cs = g_new (CtorSigPair, 1);
3818 cs->ctor_sig = mono_method_signature (method);
3820 mono_marshal_lock ();
3821 strsig_list = g_slist_prepend (strsig_list, cs);
3822 mono_marshal_unlock ();
3827 * mono_marshal_get_string_ctor_signature:
3829 * Return the modified signature used by string ctors (they return the newly created
3832 MonoMethodSignature*
3833 mono_marshal_get_string_ctor_signature (MonoMethod *method)
3835 MonoMethodSignature *sig = lookup_string_ctor_signature (mono_method_signature (method));
3837 sig = add_string_ctor_signature (method);
3843 get_runtime_invoke_type (MonoType *t, gboolean ret)
3846 if (t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t)))
3848 /* Can't share this with 'I' as that needs another indirection */
3849 return &mono_defaults.int_class->this_arg;
3852 if (MONO_TYPE_IS_REFERENCE (t))
3853 return &mono_defaults.object_class->byval_arg;
3856 /* The result needs to be boxed */
3861 /* Can't share these as the argument needs to be loaded using sign/zero extension */
3864 return &mono_defaults.sbyte_class->byval_arg;
3866 return &mono_defaults.int16_class->byval_arg;
3868 return &mono_defaults.int32_class->byval_arg;
3871 return &mono_defaults.int64_class->byval_arg;
3872 case MONO_TYPE_BOOLEAN:
3873 return &mono_defaults.byte_class->byval_arg;
3874 case MONO_TYPE_CHAR:
3875 return &mono_defaults.uint16_class->byval_arg;
3877 return &mono_defaults.int_class->byval_arg;
3878 case MONO_TYPE_VALUETYPE:
3879 if (t->data.klass->enumtype) {
3880 t = mono_class_enum_basetype (t->data.klass);
3890 * mono_marshal_get_runtime_invoke_sig:
3892 * Return a common signature used for sharing runtime invoke wrappers.
3894 static MonoMethodSignature*
3895 mono_marshal_get_runtime_invoke_sig (MonoMethodSignature *sig)
3897 MonoMethodSignature *res = mono_metadata_signature_dup (sig);
3900 res->generic_param_count = 0;
3901 res->ret = get_runtime_invoke_type (sig->ret, TRUE);
3902 for (i = 0; i < res->param_count; ++i)
3903 res->params [i] = get_runtime_invoke_type (sig->params [i], FALSE);
3909 runtime_invoke_signature_equal (MonoMethodSignature *sig1, MonoMethodSignature *sig2)
3911 /* Can't share wrappers which return a vtype since it needs to be boxed */
3912 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))
3915 return mono_metadata_signature_equal (sig1, sig2);
3923 * Emit the call to the wrapper method from a runtime invoke wrapper.
3926 emit_invoke_call (MonoMethodBuilder *mb, MonoMethod *method,
3927 MonoMethodSignature *sig, MonoMethodSignature *callsig,
3929 gboolean virtual_, gboolean need_direct_wrapper)
3931 static MonoString *string_dummy = NULL;
3933 int *tmp_nullable_locals;
3934 gboolean void_ret = FALSE;
3935 gboolean string_ctor = method && method->string_ctor;
3937 /* to make it work with our special string constructors */
3938 if (!string_dummy) {
3939 MONO_GC_REGISTER_ROOT_SINGLE (string_dummy, MONO_ROOT_SOURCE_MARSHAL, "dummy marshal string");
3940 string_dummy = mono_string_new_wrapper ("dummy");
3944 g_assert (sig->hasthis);
3945 g_assert (method->flags & METHOD_ATTRIBUTE_VIRTUAL);
3950 if (mono_gc_is_moving ()) {
3951 mono_mb_emit_ptr (mb, &string_dummy);
3952 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3954 mono_mb_emit_ptr (mb, string_dummy);
3957 mono_mb_emit_ldarg (mb, 0);
3961 tmp_nullable_locals = g_new0 (int, sig->param_count);
3963 for (i = 0; i < sig->param_count; i++) {
3964 MonoType *t = sig->params [i];
3967 mono_mb_emit_ldarg (mb, 1);
3969 mono_mb_emit_icon (mb, sizeof (gpointer) * i);
3970 mono_mb_emit_byte (mb, CEE_ADD);
3974 mono_mb_emit_byte (mb, CEE_LDIND_I);
3975 /* A Nullable<T> type don't have a boxed form, it's either null or a boxed T.
3976 * So to make this work we unbox it to a local variablee and push a reference to that.
3978 if (t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t))) {
3979 tmp_nullable_locals [i] = mono_mb_add_local (mb, &mono_class_from_mono_type (t)->byval_arg);
3981 mono_mb_emit_op (mb, CEE_UNBOX_ANY, mono_class_from_mono_type (t));
3982 mono_mb_emit_stloc (mb, tmp_nullable_locals [i]);
3983 mono_mb_emit_ldloc_addr (mb, tmp_nullable_locals [i]);
3988 /*FIXME 'this doesn't handle generic enums. Shouldn't we?*/
3989 type = sig->params [i]->type;
3993 case MONO_TYPE_BOOLEAN:
3997 case MONO_TYPE_CHAR:
4006 mono_mb_emit_byte (mb, CEE_LDIND_I);
4007 mono_mb_emit_byte (mb, mono_type_to_ldind (sig->params [i]));
4009 case MONO_TYPE_STRING:
4010 case MONO_TYPE_CLASS:
4011 case MONO_TYPE_ARRAY:
4013 case MONO_TYPE_SZARRAY:
4014 case MONO_TYPE_OBJECT:
4015 mono_mb_emit_byte (mb, mono_type_to_ldind (sig->params [i]));
4017 case MONO_TYPE_GENERICINST:
4018 if (!mono_type_generic_inst_is_valuetype (sig->params [i])) {
4019 mono_mb_emit_byte (mb, mono_type_to_ldind (sig->params [i]));
4024 case MONO_TYPE_VALUETYPE:
4025 if (type == MONO_TYPE_VALUETYPE && t->data.klass->enumtype) {
4026 type = mono_class_enum_basetype (t->data.klass)->type;
4029 mono_mb_emit_byte (mb, CEE_LDIND_I);
4030 if (mono_class_is_nullable (mono_class_from_mono_type (sig->params [i]))) {
4031 /* Need to convert a boxed vtype to an mp to a Nullable struct */
4032 mono_mb_emit_op (mb, CEE_UNBOX, mono_class_from_mono_type (sig->params [i]));
4033 mono_mb_emit_op (mb, CEE_LDOBJ, mono_class_from_mono_type (sig->params [i]));
4035 mono_mb_emit_op (mb, CEE_LDOBJ, mono_class_from_mono_type (sig->params [i]));
4039 g_assert_not_reached ();
4044 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
4045 } else if (need_direct_wrapper) {
4046 mono_mb_emit_op (mb, CEE_CALL, method);
4048 mono_mb_emit_ldarg (mb, 3);
4049 mono_mb_emit_calli (mb, callsig);
4052 if (sig->ret->byref) {
4054 g_assert_not_reached ();
4057 switch (sig->ret->type) {
4058 case MONO_TYPE_VOID:
4062 case MONO_TYPE_BOOLEAN:
4063 case MONO_TYPE_CHAR:
4076 case MONO_TYPE_VALUETYPE:
4077 case MONO_TYPE_TYPEDBYREF:
4078 case MONO_TYPE_GENERICINST:
4079 /* box value types */
4080 mono_mb_emit_op (mb, CEE_BOX, mono_class_from_mono_type (sig->ret));
4082 case MONO_TYPE_STRING:
4083 case MONO_TYPE_CLASS:
4084 case MONO_TYPE_ARRAY:
4085 case MONO_TYPE_SZARRAY:
4086 case MONO_TYPE_OBJECT:
4090 /* The result is an IntPtr */
4091 mono_mb_emit_op (mb, CEE_BOX, mono_defaults.int_class);
4094 g_assert_not_reached ();
4098 mono_mb_emit_stloc (mb, loc_res);
4100 /* Convert back nullable-byref arguments */
4101 for (i = 0; i < sig->param_count; i++) {
4102 MonoType *t = sig->params [i];
4105 * Box the result and put it back into the array, the caller will have
4106 * to obtain it from there.
4108 if (t->byref && t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t))) {
4109 mono_mb_emit_ldarg (mb, 1);
4110 mono_mb_emit_icon (mb, sizeof (gpointer) * i);
4111 mono_mb_emit_byte (mb, CEE_ADD);
4113 mono_mb_emit_ldloc (mb, tmp_nullable_locals [i]);
4114 mono_mb_emit_op (mb, CEE_BOX, mono_class_from_mono_type (t));
4116 mono_mb_emit_byte (mb, CEE_STIND_REF);
4120 g_free (tmp_nullable_locals);
4124 emit_runtime_invoke_body (MonoMethodBuilder *mb, MonoImage *image, MonoMethod *method,
4125 MonoMethodSignature *sig, MonoMethodSignature *callsig,
4126 gboolean virtual_, gboolean need_direct_wrapper)
4129 MonoExceptionClause *clause;
4130 int loc_res, loc_exc;
4132 /* The wrapper looks like this:
4138 * } catch (Exception e) {
4146 /* allocate local 0 (object) tmp */
4147 loc_res = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4148 /* allocate local 1 (object) exc */
4149 loc_exc = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4151 /* *exc is assumed to be initialized to NULL by the caller */
4153 mono_mb_emit_byte (mb, CEE_LDARG_2);
4154 labels [0] = mono_mb_emit_branch (mb, CEE_BRFALSE);
4159 labels [1] = mono_mb_get_label (mb);
4160 emit_thread_force_interrupt_checkpoint (mb);
4161 emit_invoke_call (mb, method, sig, callsig, loc_res, virtual_, need_direct_wrapper);
4163 labels [2] = mono_mb_emit_branch (mb, CEE_LEAVE);
4165 /* Add a try clause around the call */
4166 clause = (MonoExceptionClause *)mono_image_alloc0 (image, sizeof (MonoExceptionClause));
4167 clause->flags = MONO_EXCEPTION_CLAUSE_NONE;
4168 clause->data.catch_class = mono_defaults.exception_class;
4169 clause->try_offset = labels [1];
4170 clause->try_len = mono_mb_get_label (mb) - labels [1];
4172 clause->handler_offset = mono_mb_get_label (mb);
4175 mono_mb_emit_stloc (mb, loc_exc);
4176 mono_mb_emit_byte (mb, CEE_LDARG_2);
4177 mono_mb_emit_ldloc (mb, loc_exc);
4178 mono_mb_emit_byte (mb, CEE_STIND_REF);
4180 mono_mb_emit_branch (mb, CEE_LEAVE);
4182 clause->handler_len = mono_mb_get_pos (mb) - clause->handler_offset;
4184 mono_mb_set_clauses (mb, 1, clause);
4186 mono_mb_patch_branch (mb, labels [2]);
4187 mono_mb_emit_ldloc (mb, loc_res);
4188 mono_mb_emit_byte (mb, CEE_RET);
4193 mono_mb_patch_branch (mb, labels [0]);
4194 emit_thread_force_interrupt_checkpoint (mb);
4195 emit_invoke_call (mb, method, sig, callsig, loc_res, virtual_, need_direct_wrapper);
4197 mono_mb_emit_ldloc (mb, 0);
4198 mono_mb_emit_byte (mb, CEE_RET);
4203 * generates IL code for the runtime invoke function
4204 * MonoObject *runtime_invoke (MonoObject *this_obj, void **params, MonoObject **exc, void* method)
4206 * we also catch exceptions if exc != null
4207 * If VIRTUAL is TRUE, then METHOD is invoked virtually on THIS. This is useful since
4208 * it means that the compiled code for METHOD does not have to be looked up
4209 * before calling the runtime invoke wrapper. In this case, the wrapper ignores
4210 * its METHOD argument.
4213 mono_marshal_get_runtime_invoke (MonoMethod *method, gboolean virtual_)
4215 MonoMethodSignature *sig, *csig, *callsig;
4216 MonoMethodBuilder *mb;
4217 GHashTable *cache = NULL;
4218 MonoClass *target_klass;
4219 MonoMethod *res = NULL;
4220 static MonoMethodSignature *cctor_signature = NULL;
4221 static MonoMethodSignature *finalize_signature = NULL;
4223 const char *param_names [16];
4224 gboolean need_direct_wrapper = FALSE;
4229 if (!cctor_signature) {
4230 cctor_signature = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
4231 cctor_signature->ret = &mono_defaults.void_class->byval_arg;
4233 if (!finalize_signature) {
4234 finalize_signature = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
4235 finalize_signature->ret = &mono_defaults.void_class->byval_arg;
4236 finalize_signature->hasthis = 1;
4240 need_direct_wrapper = TRUE;
4243 * Use a separate cache indexed by methods to speed things up and to avoid the
4244 * boundless mempool growth caused by the signature_dup stuff below.
4247 cache = get_cache (&method->klass->image->runtime_invoke_vcall_cache, mono_aligned_addr_hash, NULL);
4249 cache = get_cache (&mono_method_get_wrapper_cache (method)->runtime_invoke_direct_cache, mono_aligned_addr_hash, NULL);
4251 res = mono_marshal_find_in_cache (cache, method);
4255 if (method->klass->rank && (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
4256 (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)) {
4258 * Array Get/Set/Address methods. The JIT implements them using inline code
4259 * so we need to create an invoke wrapper which calls the method directly.
4261 need_direct_wrapper = TRUE;
4264 if (method->string_ctor) {
4265 callsig = lookup_string_ctor_signature (mono_method_signature (method));
4267 callsig = add_string_ctor_signature (method);
4268 /* Can't share this as we push a string as this */
4269 need_direct_wrapper = TRUE;
4271 if (method_is_dynamic (method))
4272 callsig = mono_metadata_signature_dup_full (method->klass->image, mono_method_signature (method));
4274 callsig = mono_method_signature (method);
4277 sig = mono_method_signature (method);
4279 target_klass = get_wrapper_target_class (method->klass->image);
4281 /* Try to share wrappers for non-corlib methods with simple signatures */
4282 if (mono_metadata_signature_equal (callsig, cctor_signature)) {
4283 callsig = cctor_signature;
4284 target_klass = mono_defaults.object_class;
4285 } else if (mono_metadata_signature_equal (callsig, finalize_signature)) {
4286 callsig = finalize_signature;
4287 target_klass = mono_defaults.object_class;
4290 if (need_direct_wrapper) {
4291 /* Already searched at the start */
4293 MonoMethodSignature *tmp_sig;
4295 callsig = mono_marshal_get_runtime_invoke_sig (callsig);
4296 GHashTable **cache_table = NULL;
4298 if (method->klass->valuetype && mono_method_signature (method)->hasthis)
4299 cache_table = &mono_method_get_wrapper_cache (method)->runtime_invoke_vtype_cache;
4301 cache_table = &mono_method_get_wrapper_cache (method)->runtime_invoke_cache;
4303 cache = get_cache (cache_table, (GHashFunc)mono_signature_hash,
4304 (GCompareFunc)runtime_invoke_signature_equal);
4306 /* from mono_marshal_find_in_cache */
4307 mono_marshal_lock ();
4308 res = (MonoMethod *)g_hash_table_lookup (cache, callsig);
4309 mono_marshal_unlock ();
4316 /* Make a copy of the signature from the image mempool */
4318 callsig = mono_metadata_signature_dup_full (target_klass->image, callsig);
4322 csig = mono_metadata_signature_alloc (target_klass->image, 4);
4324 csig->ret = &mono_defaults.object_class->byval_arg;
4325 if (method->klass->valuetype && mono_method_signature (method)->hasthis)
4326 csig->params [0] = get_runtime_invoke_type (&method->klass->this_arg, FALSE);
4328 csig->params [0] = &mono_defaults.object_class->byval_arg;
4329 csig->params [1] = &mono_defaults.int_class->byval_arg;
4330 csig->params [2] = &mono_defaults.int_class->byval_arg;
4331 csig->params [3] = &mono_defaults.int_class->byval_arg;
4334 /* This is called from runtime code so it has to be cdecl */
4335 csig->call_convention = MONO_CALL_C;
4338 name = mono_signature_to_name (callsig, virtual_ ? "runtime_invoke_virtual" : "runtime_invoke");
4339 mb = mono_mb_new (target_klass, name, MONO_WRAPPER_RUNTIME_INVOKE);
4343 param_names [0] = "this";
4344 param_names [1] = "params";
4345 param_names [2] = "exc";
4346 param_names [3] = "method";
4347 mono_mb_set_param_names (mb, param_names);
4349 emit_runtime_invoke_body (mb, target_klass->image, method, sig, callsig, virtual_, need_direct_wrapper);
4352 if (need_direct_wrapper) {
4354 mb->skip_visibility = 1;
4356 info = mono_wrapper_info_create (mb, virtual_ ? WRAPPER_SUBTYPE_RUNTIME_INVOKE_VIRTUAL : WRAPPER_SUBTYPE_RUNTIME_INVOKE_DIRECT);
4357 info->d.runtime_invoke.method = method;
4358 res = mono_mb_create_and_cache_full (cache, method, mb, csig, sig->param_count + 16, info, NULL);
4360 /* taken from mono_mb_create_and_cache */
4361 mono_marshal_lock ();
4362 res = (MonoMethod *)g_hash_table_lookup (cache, callsig);
4363 mono_marshal_unlock ();
4365 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_RUNTIME_INVOKE_NORMAL);
4366 info->d.runtime_invoke.sig = callsig;
4368 /* Somebody may have created it before us */
4371 newm = mono_mb_create (mb, csig, sig->param_count + 16, info);
4373 mono_marshal_lock ();
4374 res = (MonoMethod *)g_hash_table_lookup (cache, callsig);
4376 GHashTable *direct_cache;
4378 g_hash_table_insert (cache, callsig, res);
4379 /* Can't insert it into wrapper_hash since the key is a signature */
4380 direct_cache = mono_method_get_wrapper_cache (method)->runtime_invoke_direct_cache;
4382 g_hash_table_insert (direct_cache, method, res);
4384 mono_free_method (newm);
4386 mono_marshal_unlock ();
4389 /* end mono_mb_create_and_cache */
4398 * mono_marshal_get_runtime_invoke_dynamic:
4400 * Return a method which can be used to invoke managed methods from native code
4402 * The signature of the returned method is given by RuntimeInvokeDynamicFunction:
4403 * void runtime_invoke (void *args, MonoObject **exc, void *compiled_method)
4404 * ARGS should point to an architecture specific structure containing
4405 * the arguments and space for the return value.
4406 * The other arguments are the same as for runtime_invoke (), except that
4407 * ARGS should contain the this argument too.
4408 * This wrapper serves the same purpose as the runtime-invoke wrappers, but there
4409 * is only one copy of it, which is useful in full-aot.
4412 mono_marshal_get_runtime_invoke_dynamic (void)
4414 static MonoMethod *method;
4415 MonoMethodSignature *csig;
4416 MonoExceptionClause *clause;
4417 MonoMethodBuilder *mb;
4425 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
4427 csig->ret = &mono_defaults.void_class->byval_arg;
4428 csig->params [0] = &mono_defaults.int_class->byval_arg;
4429 csig->params [1] = &mono_defaults.int_class->byval_arg;
4430 csig->params [2] = &mono_defaults.int_class->byval_arg;
4431 csig->params [3] = &mono_defaults.int_class->byval_arg;
4433 name = g_strdup ("runtime_invoke_dynamic");
4434 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_RUNTIME_INVOKE);
4438 /* allocate local 0 (object) tmp */
4439 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4440 /* allocate local 1 (object) exc */
4441 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4443 /* cond set *exc to null */
4444 mono_mb_emit_byte (mb, CEE_LDARG_1);
4445 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
4446 mono_mb_emit_byte (mb, 3);
4447 mono_mb_emit_byte (mb, CEE_LDARG_1);
4448 mono_mb_emit_byte (mb, CEE_LDNULL);
4449 mono_mb_emit_byte (mb, CEE_STIND_REF);
4451 emit_thread_force_interrupt_checkpoint (mb);
4453 mono_mb_emit_byte (mb, CEE_LDARG_0);
4454 mono_mb_emit_byte (mb, CEE_LDARG_2);
4455 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4456 mono_mb_emit_byte (mb, CEE_MONO_DYN_CALL);
4458 pos = mono_mb_emit_branch (mb, CEE_LEAVE);
4460 clause = (MonoExceptionClause *)mono_image_alloc0 (mono_defaults.corlib, sizeof (MonoExceptionClause));
4461 clause->flags = MONO_EXCEPTION_CLAUSE_FILTER;
4462 clause->try_len = mono_mb_get_label (mb);
4465 clause->data.filter_offset = mono_mb_get_label (mb);
4467 mono_mb_emit_byte (mb, CEE_POP);
4468 mono_mb_emit_byte (mb, CEE_LDARG_1);
4469 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
4470 mono_mb_emit_byte (mb, CEE_PREFIX1);
4471 mono_mb_emit_byte (mb, CEE_CGT_UN);
4472 mono_mb_emit_byte (mb, CEE_PREFIX1);
4473 mono_mb_emit_byte (mb, CEE_ENDFILTER);
4475 clause->handler_offset = mono_mb_get_label (mb);
4478 /* store exception */
4479 mono_mb_emit_stloc (mb, 1);
4481 mono_mb_emit_byte (mb, CEE_LDARG_1);
4482 mono_mb_emit_ldloc (mb, 1);
4483 mono_mb_emit_byte (mb, CEE_STIND_REF);
4485 mono_mb_emit_byte (mb, CEE_LDNULL);
4486 mono_mb_emit_stloc (mb, 0);
4488 /* Check for the abort exception */
4489 mono_mb_emit_ldloc (mb, 1);
4490 mono_mb_emit_op (mb, CEE_ISINST, mono_defaults.threadabortexception_class);
4491 posna = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
4493 /* Delay the abort exception */
4494 mono_mb_emit_icall (mb, ves_icall_System_Threading_Thread_ResetAbort);
4496 mono_mb_patch_short_branch (mb, posna);
4497 mono_mb_emit_branch (mb, CEE_LEAVE);
4499 clause->handler_len = mono_mb_get_pos (mb) - clause->handler_offset;
4501 mono_mb_set_clauses (mb, 1, clause);
4504 mono_mb_patch_branch (mb, pos);
4505 //mono_mb_emit_ldloc (mb, 0);
4506 mono_mb_emit_byte (mb, CEE_RET);
4507 #endif /* DISABLE_JIT */
4509 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_RUNTIME_INVOKE_DYNAMIC);
4511 mono_marshal_lock ();
4512 /* double-checked locking */
4514 method = mono_mb_create (mb, csig, 16, info);
4516 mono_marshal_unlock ();
4524 * mono_marshal_get_runtime_invoke_for_sig:
4526 * Return a runtime invoke wrapper for a given signature.
4529 mono_marshal_get_runtime_invoke_for_sig (MonoMethodSignature *sig)
4531 MonoMethodSignature *csig, *callsig;
4532 MonoMethodBuilder *mb;
4534 GHashTable *cache = NULL;
4535 GHashTable **cache_table = NULL;
4536 MonoMethod *res = NULL;
4538 const char *param_names [16];
4541 /* A simplified version of mono_marshal_get_runtime_invoke */
4543 image = mono_defaults.corlib;
4545 callsig = mono_marshal_get_runtime_invoke_sig (sig);
4547 cache_table = &image->wrapper_caches.runtime_invoke_sig_cache;
4549 cache = get_cache (cache_table, (GHashFunc)mono_signature_hash,
4550 (GCompareFunc)runtime_invoke_signature_equal);
4552 /* from mono_marshal_find_in_cache */
4553 mono_marshal_lock ();
4554 res = (MonoMethod *)g_hash_table_lookup (cache, callsig);
4555 mono_marshal_unlock ();
4562 /* Make a copy of the signature from the image mempool */
4563 callsig = mono_metadata_signature_dup_full (image, callsig);
4565 csig = mono_metadata_signature_alloc (image, 4);
4566 csig->ret = &mono_defaults.object_class->byval_arg;
4567 csig->params [0] = &mono_defaults.object_class->byval_arg;
4568 csig->params [1] = &mono_defaults.int_class->byval_arg;
4569 csig->params [2] = &mono_defaults.int_class->byval_arg;
4570 csig->params [3] = &mono_defaults.int_class->byval_arg;
4573 /* This is called from runtime code so it has to be cdecl */
4574 csig->call_convention = MONO_CALL_C;
4577 name = mono_signature_to_name (callsig, "runtime_invoke_sig");
4578 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_RUNTIME_INVOKE);
4582 param_names [0] = "this";
4583 param_names [1] = "params";
4584 param_names [2] = "exc";
4585 param_names [3] = "method";
4586 mono_mb_set_param_names (mb, param_names);
4588 emit_runtime_invoke_body (mb, image, NULL, sig, callsig, FALSE, FALSE);
4591 /* taken from mono_mb_create_and_cache */
4592 mono_marshal_lock ();
4593 res = (MonoMethod *)g_hash_table_lookup (cache, callsig);
4594 mono_marshal_unlock ();
4596 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_RUNTIME_INVOKE_NORMAL);
4597 info->d.runtime_invoke.sig = callsig;
4599 /* Somebody may have created it before us */
4602 newm = mono_mb_create (mb, csig, sig->param_count + 16, info);
4604 mono_marshal_lock ();
4605 res = (MonoMethod *)g_hash_table_lookup (cache, callsig);
4608 g_hash_table_insert (cache, callsig, res);
4610 mono_free_method (newm);
4612 mono_marshal_unlock ();
4615 /* end mono_mb_create_and_cache */
4624 mono_mb_emit_auto_layout_exception (MonoMethodBuilder *mb, MonoClass *klass)
4626 char *msg = g_strdup_printf ("The type `%s.%s' layout needs to be Sequential or Explicit",
4627 klass->name_space, klass->name);
4629 mono_mb_emit_exception_marshal_directive (mb, msg);
4634 * generates IL code for the icall wrapper (the generated method
4635 * calls the unmanaged code in func)
4638 mono_marshal_get_icall_wrapper (MonoMethodSignature *sig, const char *name, gconstpointer func, gboolean check_exceptions)
4640 MonoMethodSignature *csig, *csig2;
4641 MonoMethodBuilder *mb;
4646 GHashTable *cache = get_cache (&mono_defaults.object_class->image->icall_wrapper_cache, mono_aligned_addr_hash, NULL);
4647 if ((res = mono_marshal_find_in_cache (cache, (gpointer) func)))
4650 g_assert (sig->pinvoke);
4652 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_MANAGED_TO_NATIVE);
4654 mb->method->save_lmf = 1;
4656 /* Add an explicit this argument */
4658 csig2 = mono_metadata_signature_dup_add_this (mono_defaults.corlib, sig, mono_defaults.object_class);
4660 csig2 = mono_metadata_signature_dup_full (mono_defaults.corlib, sig);
4664 mono_mb_emit_byte (mb, CEE_LDARG_0);
4666 for (i = 0; i < sig->param_count; i++)
4667 mono_mb_emit_ldarg (mb, i + sig->hasthis);
4669 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4670 mono_mb_emit_op (mb, CEE_MONO_JIT_ICALL_ADDR, (gpointer)func);
4671 mono_mb_emit_calli (mb, csig2);
4672 if (check_exceptions)
4673 emit_thread_interrupt_checkpoint (mb);
4674 mono_mb_emit_byte (mb, CEE_RET);
4677 csig = mono_metadata_signature_dup_full (mono_defaults.corlib, sig);
4679 if (csig->call_convention == MONO_CALL_VARARG)
4680 csig->call_convention = 0;
4682 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_ICALL_WRAPPER);
4683 info->d.icall.func = (gpointer)func;
4684 res = mono_mb_create_and_cache_full (cache, (gpointer) func, mb, csig, csig->param_count + 16, info, NULL);
4691 emit_marshal_custom (EmitMarshalContext *m, int argnum, MonoType *t,
4692 MonoMarshalSpec *spec,
4693 int conv_arg, MonoType **conv_arg_type,
4694 MarshalAction action)
4697 if (action == MARSHAL_ACTION_CONV_IN && t->type == MONO_TYPE_VALUETYPE)
4698 *conv_arg_type = &mono_defaults.int_class->byval_arg;
4704 static MonoClass *ICustomMarshaler = NULL;
4705 static MonoMethod *cleanup_native, *cleanup_managed;
4706 static MonoMethod *marshal_managed_to_native, *marshal_native_to_managed;
4707 MonoMethod *get_instance = NULL;
4708 MonoMethodBuilder *mb = m->mb;
4709 char *exception_msg = NULL;
4713 if (!ICustomMarshaler) {
4714 MonoClass *klass = mono_class_try_get_icustom_marshaler_class ();
4716 exception_msg = g_strdup ("Current profile doesn't support ICustomMarshaler");
4717 goto handle_exception;
4720 cleanup_native = mono_class_get_method_from_name (klass, "CleanUpNativeData", 1);
4721 g_assert (cleanup_native);
4722 cleanup_managed = mono_class_get_method_from_name (klass, "CleanUpManagedData", 1);
4723 g_assert (cleanup_managed);
4724 marshal_managed_to_native = mono_class_get_method_from_name (klass, "MarshalManagedToNative", 1);
4725 g_assert (marshal_managed_to_native);
4726 marshal_native_to_managed = mono_class_get_method_from_name (klass, "MarshalNativeToManaged", 1);
4727 g_assert (marshal_native_to_managed);
4729 mono_memory_barrier ();
4730 ICustomMarshaler = klass;
4733 if (spec->data.custom_data.image)
4734 mtype = mono_reflection_type_from_name_checked (spec->data.custom_data.custom_name, spec->data.custom_data.image, &error);
4736 mtype = mono_reflection_type_from_name_checked (spec->data.custom_data.custom_name, m->image, &error);
4737 g_assert (mtype != NULL);
4738 mono_error_assert_ok (&error);
4739 mklass = mono_class_from_mono_type (mtype);
4740 g_assert (mklass != NULL);
4742 if (!mono_class_is_assignable_from (ICustomMarshaler, mklass))
4743 exception_msg = g_strdup_printf ("Custom marshaler '%s' does not implement the ICustomMarshaler interface.", mklass->name);
4745 get_instance = mono_class_get_method_from_name_flags (mklass, "GetInstance", 1, METHOD_ATTRIBUTE_STATIC);
4747 MonoMethodSignature *get_sig = mono_method_signature (get_instance);
4748 if ((get_sig->ret->type != MONO_TYPE_CLASS) ||
4749 (mono_class_from_mono_type (get_sig->ret) != ICustomMarshaler) ||
4750 (get_sig->params [0]->type != MONO_TYPE_STRING))
4751 get_instance = NULL;
4755 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);
4758 /* Throw exception and emit compensation code if neccesary */
4759 if (exception_msg) {
4761 case MARSHAL_ACTION_CONV_IN:
4762 case MARSHAL_ACTION_CONV_RESULT:
4763 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
4764 if ((action == MARSHAL_ACTION_CONV_RESULT) || (action == MARSHAL_ACTION_MANAGED_CONV_RESULT))
4765 mono_mb_emit_byte (mb, CEE_POP);
4767 mono_mb_emit_exception_full (mb, "System", "ApplicationException", exception_msg);
4768 g_free (exception_msg);
4771 case MARSHAL_ACTION_PUSH:
4772 mono_mb_emit_byte (mb, CEE_LDNULL);
4780 /* FIXME: MS.NET seems to create one instance for each klass + cookie pair */
4781 /* FIXME: MS.NET throws an exception if GetInstance returns null */
4784 case MARSHAL_ACTION_CONV_IN:
4786 case MONO_TYPE_CLASS:
4787 case MONO_TYPE_OBJECT:
4788 case MONO_TYPE_STRING:
4789 case MONO_TYPE_ARRAY:
4790 case MONO_TYPE_SZARRAY:
4791 case MONO_TYPE_VALUETYPE:
4795 g_warning ("custom marshalling of type %x is currently not supported", t->type);
4796 g_assert_not_reached ();
4800 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
4802 mono_mb_emit_byte (mb, CEE_LDNULL);
4803 mono_mb_emit_stloc (mb, conv_arg);
4805 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT))
4808 /* Minic MS.NET behavior */
4809 if (!t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT) && !(t->attrs & PARAM_ATTRIBUTE_IN))
4812 /* Check for null */
4813 mono_mb_emit_ldarg (mb, argnum);
4815 mono_mb_emit_byte (mb, CEE_LDIND_I);
4816 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
4818 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
4820 mono_mb_emit_op (mb, CEE_CALL, get_instance);
4822 mono_mb_emit_ldarg (mb, argnum);
4824 mono_mb_emit_byte (mb, CEE_LDIND_REF);
4826 if (t->type == MONO_TYPE_VALUETYPE) {
4828 * Since we can't determine the type of the argument, we
4829 * will assume the unmanaged function takes a pointer.
4831 *conv_arg_type = &mono_defaults.int_class->byval_arg;
4833 mono_mb_emit_op (mb, CEE_BOX, mono_class_from_mono_type (t));
4836 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_managed_to_native);
4837 mono_mb_emit_stloc (mb, conv_arg);
4839 mono_mb_patch_branch (mb, pos2);
4842 case MARSHAL_ACTION_CONV_OUT:
4843 /* Check for null */
4844 mono_mb_emit_ldloc (mb, conv_arg);
4845 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
4848 mono_mb_emit_ldarg (mb, argnum);
4850 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
4852 mono_mb_emit_op (mb, CEE_CALL, get_instance);
4854 mono_mb_emit_ldloc (mb, conv_arg);
4855 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
4856 mono_mb_emit_byte (mb, CEE_STIND_REF);
4857 } else if (t->attrs & PARAM_ATTRIBUTE_OUT) {
4858 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
4860 mono_mb_emit_op (mb, CEE_CALL, get_instance);
4862 mono_mb_emit_ldloc (mb, conv_arg);
4863 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
4865 /* We have nowhere to store the result */
4866 mono_mb_emit_byte (mb, CEE_POP);
4869 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
4871 mono_mb_emit_op (mb, CEE_CALL, get_instance);
4873 mono_mb_emit_ldloc (mb, conv_arg);
4875 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_native);
4877 mono_mb_patch_branch (mb, pos2);
4880 case MARSHAL_ACTION_PUSH:
4882 mono_mb_emit_ldloc_addr (mb, conv_arg);
4884 mono_mb_emit_ldloc (mb, conv_arg);
4887 case MARSHAL_ACTION_CONV_RESULT:
4888 loc1 = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
4890 mono_mb_emit_stloc (mb, 3);
4892 mono_mb_emit_ldloc (mb, 3);
4893 mono_mb_emit_stloc (mb, loc1);
4895 /* Check for null */
4896 mono_mb_emit_ldloc (mb, 3);
4897 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
4899 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
4901 mono_mb_emit_op (mb, CEE_CALL, get_instance);
4902 mono_mb_emit_byte (mb, CEE_DUP);
4904 mono_mb_emit_ldloc (mb, 3);
4905 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
4906 mono_mb_emit_stloc (mb, 3);
4908 mono_mb_emit_ldloc (mb, loc1);
4909 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_native);
4911 mono_mb_patch_branch (mb, pos2);
4914 case MARSHAL_ACTION_MANAGED_CONV_IN:
4915 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4917 mono_mb_emit_byte (mb, CEE_LDNULL);
4918 mono_mb_emit_stloc (mb, conv_arg);
4920 if (t->byref && t->attrs & PARAM_ATTRIBUTE_OUT)
4923 /* Check for null */
4924 mono_mb_emit_ldarg (mb, argnum);
4926 mono_mb_emit_byte (mb, CEE_LDIND_I);
4927 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
4929 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
4930 mono_mb_emit_op (mb, CEE_CALL, get_instance);
4932 mono_mb_emit_ldarg (mb, argnum);
4934 mono_mb_emit_byte (mb, CEE_LDIND_I);
4936 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
4937 mono_mb_emit_stloc (mb, conv_arg);
4939 mono_mb_patch_branch (mb, pos2);
4942 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
4943 g_assert (!t->byref);
4945 loc1 = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4947 mono_mb_emit_stloc (mb, 3);
4949 mono_mb_emit_ldloc (mb, 3);
4950 mono_mb_emit_stloc (mb, loc1);
4952 /* Check for null */
4953 mono_mb_emit_ldloc (mb, 3);
4954 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
4956 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
4957 mono_mb_emit_op (mb, CEE_CALL, get_instance);
4958 mono_mb_emit_byte (mb, CEE_DUP);
4960 mono_mb_emit_ldloc (mb, 3);
4961 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_managed_to_native);
4962 mono_mb_emit_stloc (mb, 3);
4964 mono_mb_emit_ldloc (mb, loc1);
4965 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_managed);
4967 mono_mb_patch_branch (mb, pos2);
4970 case MARSHAL_ACTION_MANAGED_CONV_OUT:
4972 /* Check for null */
4973 mono_mb_emit_ldloc (mb, conv_arg);
4974 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
4977 mono_mb_emit_ldarg (mb, argnum);
4979 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
4981 mono_mb_emit_op (mb, CEE_CALL, get_instance);
4983 mono_mb_emit_ldloc (mb, conv_arg);
4984 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_managed_to_native);
4985 mono_mb_emit_byte (mb, CEE_STIND_I);
4988 /* Call CleanUpManagedData */
4989 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
4991 mono_mb_emit_op (mb, CEE_CALL, get_instance);
4993 mono_mb_emit_ldloc (mb, conv_arg);
4994 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_managed);
4996 mono_mb_patch_branch (mb, pos2);
5000 g_assert_not_reached ();
5008 emit_marshal_asany (EmitMarshalContext *m, int argnum, MonoType *t,
5009 MonoMarshalSpec *spec,
5010 int conv_arg, MonoType **conv_arg_type,
5011 MarshalAction action)
5014 MonoMethodBuilder *mb = m->mb;
5017 case MARSHAL_ACTION_CONV_IN: {
5018 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, NULL);
5020 g_assert (t->type == MONO_TYPE_OBJECT);
5021 g_assert (!t->byref);
5023 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5024 mono_mb_emit_ldarg (mb, argnum);
5025 mono_mb_emit_icon (mb, encoding);
5026 mono_mb_emit_icon (mb, t->attrs);
5027 mono_mb_emit_icall (mb, mono_marshal_asany);
5028 mono_mb_emit_stloc (mb, conv_arg);
5032 case MARSHAL_ACTION_PUSH:
5033 mono_mb_emit_ldloc (mb, conv_arg);
5036 case MARSHAL_ACTION_CONV_OUT: {
5037 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, NULL);
5039 mono_mb_emit_ldarg (mb, argnum);
5040 mono_mb_emit_ldloc (mb, conv_arg);
5041 mono_mb_emit_icon (mb, encoding);
5042 mono_mb_emit_icon (mb, t->attrs);
5043 mono_mb_emit_icall (mb, mono_marshal_free_asany);
5048 g_assert_not_reached ();
5055 emit_marshal_vtype (EmitMarshalContext *m, int argnum, MonoType *t,
5056 MonoMarshalSpec *spec,
5057 int conv_arg, MonoType **conv_arg_type,
5058 MarshalAction action)
5061 MonoMethodBuilder *mb = m->mb;
5062 MonoClass *klass, *date_time_class;
5065 klass = mono_class_from_mono_type (t);
5067 date_time_class = mono_class_get_date_time_class ();
5070 case MARSHAL_ACTION_CONV_IN:
5071 if (klass == date_time_class) {
5072 /* Convert it to an OLE DATE type */
5073 static MonoMethod *to_oadate;
5076 to_oadate = mono_class_get_method_from_name (date_time_class, "ToOADate", 0);
5077 g_assert (to_oadate);
5079 conv_arg = mono_mb_add_local (mb, &mono_defaults.double_class->byval_arg);
5082 mono_mb_emit_ldarg (mb, argnum);
5083 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
5086 if (!(t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && (t->attrs & PARAM_ATTRIBUTE_OUT))) {
5088 m->csig->params [argnum - m->csig->hasthis] = &mono_defaults.double_class->byval_arg;
5090 mono_mb_emit_ldarg_addr (mb, argnum);
5091 mono_mb_emit_managed_call (mb, to_oadate, NULL);
5092 mono_mb_emit_stloc (mb, conv_arg);
5096 mono_mb_patch_branch (mb, pos);
5100 if (mono_class_is_explicit_layout (klass) || klass->blittable || klass->enumtype)
5103 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5105 /* store the address of the source into local variable 0 */
5107 mono_mb_emit_ldarg (mb, argnum);
5109 mono_mb_emit_ldarg_addr (mb, argnum);
5111 mono_mb_emit_stloc (mb, 0);
5113 /* allocate space for the native struct and
5114 * store the address into local variable 1 (dest) */
5115 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
5116 mono_mb_emit_byte (mb, CEE_PREFIX1);
5117 mono_mb_emit_byte (mb, CEE_LOCALLOC);
5118 mono_mb_emit_stloc (mb, conv_arg);
5121 mono_mb_emit_ldloc (mb, 0);
5122 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
5125 if (!(t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && (t->attrs & PARAM_ATTRIBUTE_OUT))) {
5127 mono_mb_emit_ldloc (mb, conv_arg);
5128 mono_mb_emit_stloc (mb, 1);
5130 /* emit valuetype conversion code */
5131 emit_struct_conv (mb, klass, FALSE);
5135 mono_mb_patch_branch (mb, pos);
5138 case MARSHAL_ACTION_PUSH:
5139 if (spec && spec->native == MONO_NATIVE_LPSTRUCT) {
5141 g_assert (!t->byref);
5143 /* Have to change the signature since the vtype is passed byref */
5144 m->csig->params [argnum - m->csig->hasthis] = &mono_defaults.int_class->byval_arg;
5146 if (mono_class_is_explicit_layout (klass) || klass->blittable || klass->enumtype)
5147 mono_mb_emit_ldarg_addr (mb, argnum);
5149 mono_mb_emit_ldloc (mb, conv_arg);
5153 if (klass == date_time_class) {
5155 mono_mb_emit_ldloc_addr (mb, conv_arg);
5157 mono_mb_emit_ldloc (mb, conv_arg);
5161 if (mono_class_is_explicit_layout (klass) || klass->blittable || klass->enumtype) {
5162 mono_mb_emit_ldarg (mb, argnum);
5165 mono_mb_emit_ldloc (mb, conv_arg);
5167 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5168 mono_mb_emit_op (mb, CEE_MONO_LDNATIVEOBJ, klass);
5172 case MARSHAL_ACTION_CONV_OUT:
5173 if (klass == date_time_class) {
5174 /* Convert from an OLE DATE type */
5175 static MonoMethod *from_oadate;
5180 if (!((t->attrs & PARAM_ATTRIBUTE_IN) && !(t->attrs & PARAM_ATTRIBUTE_OUT))) {
5182 from_oadate = mono_class_get_method_from_name (date_time_class, "FromOADate", 1);
5183 g_assert (from_oadate);
5185 mono_mb_emit_ldarg (mb, argnum);
5186 mono_mb_emit_ldloc (mb, conv_arg);
5187 mono_mb_emit_managed_call (mb, from_oadate, NULL);
5188 mono_mb_emit_op (mb, CEE_STOBJ, date_time_class);
5193 if (mono_class_is_explicit_layout (klass) || klass->blittable || klass->enumtype)
5197 /* dst = argument */
5198 mono_mb_emit_ldarg (mb, argnum);
5199 mono_mb_emit_stloc (mb, 1);
5201 mono_mb_emit_ldloc (mb, 1);
5202 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
5204 if (!((t->attrs & PARAM_ATTRIBUTE_IN) && !(t->attrs & PARAM_ATTRIBUTE_OUT))) {
5205 /* src = tmp_locals [i] */
5206 mono_mb_emit_ldloc (mb, conv_arg);
5207 mono_mb_emit_stloc (mb, 0);
5209 /* emit valuetype conversion code */
5210 emit_struct_conv (mb, klass, TRUE);
5214 emit_struct_free (mb, klass, conv_arg);
5217 mono_mb_patch_branch (mb, pos);
5220 case MARSHAL_ACTION_CONV_RESULT:
5221 if (mono_class_is_explicit_layout (klass) || klass->blittable) {
5222 mono_mb_emit_stloc (mb, 3);
5226 /* load pointer to returned value type */
5227 g_assert (m->vtaddr_var);
5228 mono_mb_emit_ldloc (mb, m->vtaddr_var);
5229 /* store the address of the source into local variable 0 */
5230 mono_mb_emit_stloc (mb, 0);
5232 mono_mb_emit_ldloc_addr (mb, 3);
5233 mono_mb_emit_stloc (mb, 1);
5235 /* emit valuetype conversion code */
5236 emit_struct_conv (mb, klass, TRUE);
5239 case MARSHAL_ACTION_MANAGED_CONV_IN:
5240 if (mono_class_is_explicit_layout (klass) || klass->blittable || klass->enumtype) {
5245 conv_arg = mono_mb_add_local (mb, &klass->byval_arg);
5247 if (t->attrs & PARAM_ATTRIBUTE_OUT)
5251 mono_mb_emit_ldarg (mb, argnum);
5253 mono_mb_emit_ldarg_addr (mb, argnum);
5254 mono_mb_emit_stloc (mb, 0);
5257 mono_mb_emit_ldloc (mb, 0);
5258 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
5261 mono_mb_emit_ldloc_addr (mb, conv_arg);
5262 mono_mb_emit_stloc (mb, 1);
5264 /* emit valuetype conversion code */
5265 emit_struct_conv (mb, klass, TRUE);
5268 mono_mb_patch_branch (mb, pos);
5271 case MARSHAL_ACTION_MANAGED_CONV_OUT:
5272 if (mono_class_is_explicit_layout (klass) || klass->blittable || klass->enumtype)
5274 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_IN) && !(t->attrs & PARAM_ATTRIBUTE_OUT))
5277 /* Check for null */
5278 mono_mb_emit_ldarg (mb, argnum);
5279 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5282 mono_mb_emit_ldloc_addr (mb, conv_arg);
5283 mono_mb_emit_stloc (mb, 0);
5286 mono_mb_emit_ldarg (mb, argnum);
5287 mono_mb_emit_stloc (mb, 1);
5289 /* emit valuetype conversion code */
5290 emit_struct_conv (mb, klass, FALSE);
5292 mono_mb_patch_branch (mb, pos2);
5295 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
5296 if (mono_class_is_explicit_layout (klass) || klass->blittable || klass->enumtype) {
5297 mono_mb_emit_stloc (mb, 3);
5302 /* load pointer to returned value type */
5303 g_assert (m->vtaddr_var);
5304 mono_mb_emit_ldloc (mb, m->vtaddr_var);
5306 /* store the address of the source into local variable 0 */
5307 mono_mb_emit_stloc (mb, 0);
5308 /* allocate space for the native struct and
5309 * store the address into dst_ptr */
5310 m->retobj_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5311 m->retobj_class = klass;
5312 g_assert (m->retobj_var);
5313 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
5314 mono_mb_emit_byte (mb, CEE_CONV_I);
5315 mono_mb_emit_icall (mb, ves_icall_marshal_alloc);
5316 mono_mb_emit_stloc (mb, 1);
5317 mono_mb_emit_ldloc (mb, 1);
5318 mono_mb_emit_stloc (mb, m->retobj_var);
5320 /* emit valuetype conversion code */
5321 emit_struct_conv (mb, klass, FALSE);
5325 g_assert_not_reached ();
5332 emit_marshal_string (EmitMarshalContext *m, int argnum, MonoType *t,
5333 MonoMarshalSpec *spec,
5334 int conv_arg, MonoType **conv_arg_type,
5335 MarshalAction action)
5339 case MARSHAL_ACTION_CONV_IN:
5340 *conv_arg_type = &mono_defaults.int_class->byval_arg;
5342 case MARSHAL_ACTION_MANAGED_CONV_IN:
5343 *conv_arg_type = &mono_defaults.int_class->byval_arg;
5347 MonoMethodBuilder *mb = m->mb;
5348 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
5349 MonoMarshalConv conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
5353 case MARSHAL_ACTION_CONV_IN:
5354 *conv_arg_type = &mono_defaults.int_class->byval_arg;
5355 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5358 if (t->attrs & PARAM_ATTRIBUTE_OUT)
5361 mono_mb_emit_ldarg (mb, argnum);
5362 mono_mb_emit_byte (mb, CEE_LDIND_I);
5364 mono_mb_emit_ldarg (mb, argnum);
5367 if (conv == MONO_MARSHAL_CONV_INVALID) {
5368 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
5369 mono_mb_emit_exception_marshal_directive (mb, msg);
5371 mono_mb_emit_icall (mb, conv_to_icall (conv, NULL));
5373 mono_mb_emit_stloc (mb, conv_arg);
5377 case MARSHAL_ACTION_CONV_OUT:
5378 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
5379 if (conv == MONO_MARSHAL_CONV_INVALID) {
5380 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
5381 mono_mb_emit_exception_marshal_directive (mb, msg);
5385 if (encoding == MONO_NATIVE_VBBYREFSTR) {
5386 static MonoMethod *m;
5389 m = mono_class_get_method_from_name_flags (mono_defaults.string_class, "get_Length", -1, 0);
5394 char *msg = g_strdup_printf ("VBByRefStr marshalling requires a ref parameter.", encoding);
5395 mono_mb_emit_exception_marshal_directive (mb, msg);
5400 * Have to allocate a new string with the same length as the original, and
5401 * copy the contents of the buffer pointed to by CONV_ARG into it.
5403 g_assert (t->byref);
5404 mono_mb_emit_ldarg (mb, argnum);
5405 mono_mb_emit_ldloc (mb, conv_arg);
5406 mono_mb_emit_ldarg (mb, argnum);
5407 mono_mb_emit_byte (mb, CEE_LDIND_I);
5408 mono_mb_emit_managed_call (mb, m, NULL);
5409 mono_mb_emit_icall (mb, mono_string_new_len_wrapper);
5410 mono_mb_emit_byte (mb, CEE_STIND_REF);
5411 } else if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT || !(t->attrs & PARAM_ATTRIBUTE_IN))) {
5413 mono_mb_emit_ldarg (mb, argnum);
5414 mono_mb_emit_ldloc (mb, conv_arg);
5415 mono_mb_emit_icall (mb, conv_to_icall (conv, &stind_op));
5416 mono_mb_emit_byte (mb, stind_op);
5421 mono_mb_emit_ldloc (mb, conv_arg);
5422 if (conv == MONO_MARSHAL_CONV_BSTR_STR)
5423 mono_mb_emit_icall (mb, mono_free_bstr);
5425 mono_mb_emit_icall (mb, mono_marshal_free);
5429 case MARSHAL_ACTION_PUSH:
5430 if (t->byref && encoding != MONO_NATIVE_VBBYREFSTR)
5431 mono_mb_emit_ldloc_addr (mb, conv_arg);
5433 mono_mb_emit_ldloc (mb, conv_arg);
5436 case MARSHAL_ACTION_CONV_RESULT:
5437 mono_mb_emit_stloc (mb, 0);
5439 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
5440 if (conv == MONO_MARSHAL_CONV_INVALID) {
5441 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
5442 mono_mb_emit_exception_marshal_directive (mb, msg);
5446 mono_mb_emit_ldloc (mb, 0);
5447 mono_mb_emit_icall (mb, conv_to_icall (conv, NULL));
5448 mono_mb_emit_stloc (mb, 3);
5450 /* free the string */
5451 mono_mb_emit_ldloc (mb, 0);
5452 if (conv == MONO_MARSHAL_CONV_BSTR_STR)
5453 mono_mb_emit_icall (mb, mono_free_bstr);
5455 mono_mb_emit_icall (mb, mono_marshal_free);
5458 case MARSHAL_ACTION_MANAGED_CONV_IN:
5459 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
5461 *conv_arg_type = &mono_defaults.int_class->byval_arg;
5464 if (t->attrs & PARAM_ATTRIBUTE_OUT)
5468 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
5469 if (conv == MONO_MARSHAL_CONV_INVALID) {
5470 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
5471 mono_mb_emit_exception_marshal_directive (mb, msg);
5475 mono_mb_emit_ldarg (mb, argnum);
5477 mono_mb_emit_byte (mb, CEE_LDIND_I);
5478 mono_mb_emit_icall (mb, conv_to_icall (conv, NULL));
5479 mono_mb_emit_stloc (mb, conv_arg);
5482 case MARSHAL_ACTION_MANAGED_CONV_OUT:
5486 mono_mb_emit_ldarg (mb, argnum);
5487 mono_mb_emit_ldloc (mb, conv_arg);
5488 mono_mb_emit_icall (mb, conv_to_icall (conv, &stind_op));
5489 mono_mb_emit_byte (mb, stind_op);
5494 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
5495 if (conv_to_icall (conv, NULL) == mono_marshal_string_to_utf16)
5496 /* We need to make a copy so the caller is able to free it */
5497 mono_mb_emit_icall (mb, mono_marshal_string_to_utf16_copy);
5499 mono_mb_emit_icall (mb, conv_to_icall (conv, NULL));
5500 mono_mb_emit_stloc (mb, 3);
5504 g_assert_not_reached ();
5512 emit_marshal_safehandle (EmitMarshalContext *m, int argnum, MonoType *t,
5513 MonoMarshalSpec *spec, int conv_arg,
5514 MonoType **conv_arg_type, MarshalAction action)
5517 if (action == MARSHAL_ACTION_CONV_IN)
5518 *conv_arg_type = &mono_defaults.int_class->byval_arg;
5520 MonoMethodBuilder *mb = m->mb;
5523 case MARSHAL_ACTION_CONV_IN: {
5524 MonoType *intptr_type;
5525 int dar_release_slot, pos;
5527 intptr_type = &mono_defaults.int_class->byval_arg;
5528 conv_arg = mono_mb_add_local (mb, intptr_type);
5529 *conv_arg_type = intptr_type;
5531 if (!sh_dangerous_add_ref)
5532 init_safe_handle ();
5534 mono_mb_emit_ldarg (mb, argnum);
5535 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
5536 mono_mb_emit_exception (mb, "ArgumentNullException", NULL);
5538 mono_mb_patch_branch (mb, pos);
5541 * My tests in show that ref SafeHandles are not really
5542 * passed as ref objects. Instead a NULL is passed as the
5545 mono_mb_emit_icon (mb, 0);
5546 mono_mb_emit_stloc (mb, conv_arg);
5550 /* Create local to hold the ref parameter to DangerousAddRef */
5551 dar_release_slot = mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
5553 /* set release = false; */
5554 mono_mb_emit_icon (mb, 0);
5555 mono_mb_emit_stloc (mb, dar_release_slot);
5557 /* safehandle.DangerousAddRef (ref release) */
5558 mono_mb_emit_ldarg (mb, argnum);
5559 mono_mb_emit_ldloc_addr (mb, dar_release_slot);
5560 mono_mb_emit_managed_call (mb, sh_dangerous_add_ref, NULL);
5562 /* Pull the handle field from SafeHandle */
5563 mono_mb_emit_ldarg (mb, argnum);
5564 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoSafeHandle, handle));
5565 mono_mb_emit_byte (mb, CEE_LDIND_I);
5566 mono_mb_emit_stloc (mb, conv_arg);
5571 case MARSHAL_ACTION_PUSH:
5573 mono_mb_emit_ldloc_addr (mb, conv_arg);
5575 mono_mb_emit_ldloc (mb, conv_arg);
5578 case MARSHAL_ACTION_CONV_OUT: {
5579 /* The slot for the boolean is the next temporary created after conv_arg, see the CONV_IN code */
5580 int dar_release_slot = conv_arg + 1;
5583 if (!sh_dangerous_release)
5584 init_safe_handle ();
5590 * My tests indicate that ref SafeHandles parameters are not actually
5591 * passed by ref, but instead a new Handle is created regardless of
5592 * whether a change happens in the unmanaged side.
5594 * Also, the Handle is created before calling into unmanaged code,
5595 * but we do not support that mechanism (getting to the original
5596 * handle) and it makes no difference where we create this
5598 ctor = mono_class_get_method_from_name (t->data.klass, ".ctor", 0);
5600 mono_mb_emit_exception (mb, "MissingMethodException", "paramterless constructor required");
5603 /* refval = new SafeHandleDerived ()*/
5604 mono_mb_emit_ldarg (mb, argnum);
5605 mono_mb_emit_op (mb, CEE_NEWOBJ, ctor);
5606 mono_mb_emit_byte (mb, CEE_STIND_REF);
5608 /* refval.handle = returned_handle */
5609 mono_mb_emit_ldarg (mb, argnum);
5610 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5611 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoSafeHandle, handle));
5612 mono_mb_emit_ldloc (mb, conv_arg);
5613 mono_mb_emit_byte (mb, CEE_STIND_I);
5615 mono_mb_emit_ldloc (mb, dar_release_slot);
5616 label_next = mono_mb_emit_branch (mb, CEE_BRFALSE);
5617 mono_mb_emit_ldarg (mb, argnum);
5618 mono_mb_emit_managed_call (mb, sh_dangerous_release, NULL);
5619 mono_mb_patch_branch (mb, label_next);
5624 case MARSHAL_ACTION_CONV_RESULT: {
5625 MonoMethod *ctor = NULL;
5626 int intptr_handle_slot;
5628 if (mono_class_is_abstract (t->data.klass)) {
5629 mono_mb_emit_byte (mb, CEE_POP);
5630 mono_mb_emit_exception_marshal_directive (mb, g_strdup ("Returned SafeHandles should not be abstract"));
5634 ctor = mono_class_get_method_from_name (t->data.klass, ".ctor", 0);
5636 mono_mb_emit_byte (mb, CEE_POP);
5637 mono_mb_emit_exception (mb, "MissingMethodException", "paramterless constructor required");
5640 /* Store the IntPtr results into a local */
5641 intptr_handle_slot = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5642 mono_mb_emit_stloc (mb, intptr_handle_slot);
5644 /* Create return value */
5645 mono_mb_emit_op (mb, CEE_NEWOBJ, ctor);
5646 mono_mb_emit_stloc (mb, 3);
5648 /* Set the return.handle to the value, am using ldflda, not sure if thats a good idea */
5649 mono_mb_emit_ldloc (mb, 3);
5650 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoSafeHandle, handle));
5651 mono_mb_emit_ldloc (mb, intptr_handle_slot);
5652 mono_mb_emit_byte (mb, CEE_STIND_I);
5656 case MARSHAL_ACTION_MANAGED_CONV_IN:
5657 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_IN\n");
5660 case MARSHAL_ACTION_MANAGED_CONV_OUT:
5661 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_OUT\n");
5664 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
5665 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_RESULT\n");
5668 printf ("Unhandled case for MarshalAction: %d\n", action);
5676 emit_marshal_handleref (EmitMarshalContext *m, int argnum, MonoType *t,
5677 MonoMarshalSpec *spec, int conv_arg,
5678 MonoType **conv_arg_type, MarshalAction action)
5681 if (action == MARSHAL_ACTION_CONV_IN)
5682 *conv_arg_type = &mono_defaults.int_class->byval_arg;
5684 MonoMethodBuilder *mb = m->mb;
5687 case MARSHAL_ACTION_CONV_IN: {
5688 MonoType *intptr_type;
5690 intptr_type = &mono_defaults.int_class->byval_arg;
5691 conv_arg = mono_mb_add_local (mb, intptr_type);
5692 *conv_arg_type = intptr_type;
5695 char *msg = g_strdup ("HandleRefs can not be returned from unmanaged code (or passed by ref)");
5696 mono_mb_emit_exception_marshal_directive (mb, msg);
5699 mono_mb_emit_ldarg_addr (mb, argnum);
5700 mono_mb_emit_icon (mb, MONO_STRUCT_OFFSET (MonoHandleRef, handle));
5701 mono_mb_emit_byte (mb, CEE_ADD);
5702 mono_mb_emit_byte (mb, CEE_LDIND_I);
5703 mono_mb_emit_stloc (mb, conv_arg);
5707 case MARSHAL_ACTION_PUSH:
5708 mono_mb_emit_ldloc (mb, conv_arg);
5711 case MARSHAL_ACTION_CONV_OUT: {
5712 /* no resource release required */
5716 case MARSHAL_ACTION_CONV_RESULT: {
5717 char *msg = g_strdup ("HandleRefs can not be returned from unmanaged code (or passed by ref)");
5718 mono_mb_emit_exception_marshal_directive (mb, msg);
5722 case MARSHAL_ACTION_MANAGED_CONV_IN:
5723 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_IN\n");
5726 case MARSHAL_ACTION_MANAGED_CONV_OUT:
5727 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_OUT\n");
5730 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
5731 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_RESULT\n");
5734 fprintf (stderr, "Unhandled case for MarshalAction: %d\n", action);
5742 emit_marshal_object (EmitMarshalContext *m, int argnum, MonoType *t,
5743 MonoMarshalSpec *spec,
5744 int conv_arg, MonoType **conv_arg_type,
5745 MarshalAction action)
5748 if (action == MARSHAL_ACTION_CONV_IN)
5749 *conv_arg_type = &mono_defaults.int_class->byval_arg;
5751 MonoMethodBuilder *mb = m->mb;
5752 MonoClass *klass = mono_class_from_mono_type (t);
5756 case MARSHAL_ACTION_CONV_IN:
5757 *conv_arg_type = &mono_defaults.int_class->byval_arg;
5758 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5760 m->orig_conv_args [argnum] = 0;
5762 if (mono_class_from_mono_type (t) == mono_defaults.object_class) {
5763 char *msg = g_strdup_printf ("Marshalling of type object is not implemented");
5764 mono_mb_emit_exception_marshal_directive (mb, msg);
5768 if (klass->delegate) {
5770 if (!(t->attrs & PARAM_ATTRIBUTE_OUT)) {
5771 char *msg = g_strdup_printf ("Byref marshalling of delegates is not implemented.");
5772 mono_mb_emit_exception_marshal_directive (mb, msg);
5774 mono_mb_emit_byte (mb, CEE_LDNULL);
5775 mono_mb_emit_stloc (mb, conv_arg);
5777 mono_mb_emit_ldarg (mb, argnum);
5778 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_DEL_FTN, NULL));
5779 mono_mb_emit_stloc (mb, conv_arg);
5781 } else if (klass == mono_defaults.stringbuilder_class) {
5782 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
5783 MonoMarshalConv conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
5787 if (!(t->attrs & PARAM_ATTRIBUTE_OUT)) {
5788 char *msg = g_strdup_printf ("Byref marshalling of stringbuilders is not implemented.");
5789 mono_mb_emit_exception_marshal_directive (mb, msg);
5795 if (t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && (t->attrs & PARAM_ATTRIBUTE_OUT))
5798 if (conv == MONO_MARSHAL_CONV_INVALID) {
5799 char *msg = g_strdup_printf ("stringbuilder marshalling conversion %d not implemented", encoding);
5800 mono_mb_emit_exception_marshal_directive (mb, msg);
5804 mono_mb_emit_ldarg (mb, argnum);
5806 mono_mb_emit_byte (mb, CEE_LDIND_I);
5808 mono_mb_emit_icall (mb, conv_to_icall (conv, NULL));
5809 mono_mb_emit_stloc (mb, conv_arg);
5810 } else if (klass->blittable) {
5811 mono_mb_emit_byte (mb, CEE_LDNULL);
5812 mono_mb_emit_stloc (mb, conv_arg);
5814 mono_mb_emit_ldarg (mb, argnum);
5815 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
5817 mono_mb_emit_ldarg (mb, argnum);
5818 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
5819 mono_mb_emit_stloc (mb, conv_arg);
5821 mono_mb_patch_branch (mb, pos);
5824 mono_mb_emit_byte (mb, CEE_LDNULL);
5825 mono_mb_emit_stloc (mb, conv_arg);
5828 /* we dont need any conversions for out parameters */
5829 if (t->attrs & PARAM_ATTRIBUTE_OUT)
5832 mono_mb_emit_ldarg (mb, argnum);
5833 mono_mb_emit_byte (mb, CEE_LDIND_I);
5836 mono_mb_emit_ldarg (mb, argnum);
5837 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5838 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
5841 /* store the address of the source into local variable 0 */
5842 mono_mb_emit_stloc (mb, 0);
5843 mono_mb_emit_ldloc (mb, 0);
5844 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
5846 /* allocate space for the native struct and store the address */
5847 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
5848 mono_mb_emit_byte (mb, CEE_PREFIX1);
5849 mono_mb_emit_byte (mb, CEE_LOCALLOC);
5850 mono_mb_emit_stloc (mb, conv_arg);
5853 /* Need to store the original buffer so we can free it later */
5854 m->orig_conv_args [argnum] = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5855 mono_mb_emit_ldloc (mb, conv_arg);
5856 mono_mb_emit_stloc (mb, m->orig_conv_args [argnum]);
5859 /* set the src_ptr */
5860 mono_mb_emit_ldloc (mb, 0);
5861 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
5862 mono_mb_emit_stloc (mb, 0);
5865 mono_mb_emit_ldloc (mb, conv_arg);
5866 mono_mb_emit_stloc (mb, 1);
5868 /* emit valuetype conversion code */
5869 emit_struct_conv (mb, klass, FALSE);
5871 mono_mb_patch_branch (mb, pos);
5875 case MARSHAL_ACTION_CONV_OUT:
5876 if (klass == mono_defaults.stringbuilder_class) {
5878 MonoMarshalNative encoding;
5879 MonoMarshalConv conv;
5881 encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
5882 conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free);
5884 g_assert (encoding != -1);
5887 //g_assert (!(t->attrs & PARAM_ATTRIBUTE_OUT));
5891 mono_mb_emit_ldarg (mb, argnum);
5892 mono_mb_emit_ldloc (mb, conv_arg);
5895 case MONO_NATIVE_LPWSTR:
5896 mono_mb_emit_icall (mb, mono_string_utf16_to_builder2);
5898 case MONO_NATIVE_LPSTR:
5899 mono_mb_emit_icall (mb, mono_string_utf8_to_builder2);
5901 case MONO_NATIVE_UTF8STR:
5902 mono_mb_emit_icall (mb, mono_string_utf8_to_builder2);
5905 g_assert_not_reached ();
5908 mono_mb_emit_byte (mb, CEE_STIND_REF);
5910 mono_mb_emit_ldarg (mb, argnum);
5911 mono_mb_emit_ldloc (mb, conv_arg);
5913 mono_mb_emit_icall (mb, conv_to_icall (conv, NULL));
5917 mono_mb_emit_ldloc (mb, conv_arg);
5918 mono_mb_emit_icall (mb, mono_marshal_free);
5923 if (klass->delegate) {
5925 mono_mb_emit_ldarg (mb, argnum);
5926 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5927 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
5928 mono_mb_emit_ldloc (mb, conv_arg);
5929 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_FTN_DEL, NULL));
5930 mono_mb_emit_byte (mb, CEE_STIND_REF);
5935 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT)) {
5936 /* allocate a new object */
5937 mono_mb_emit_ldarg (mb, argnum);
5938 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5939 mono_mb_emit_op (mb, CEE_MONO_NEWOBJ, klass);
5940 mono_mb_emit_byte (mb, CEE_STIND_REF);
5943 /* dst = *argument */
5944 mono_mb_emit_ldarg (mb, argnum);
5947 mono_mb_emit_byte (mb, CEE_LDIND_I);
5949 mono_mb_emit_stloc (mb, 1);
5951 mono_mb_emit_ldloc (mb, 1);
5952 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
5954 if (t->byref || (t->attrs & PARAM_ATTRIBUTE_OUT)) {
5955 mono_mb_emit_ldloc (mb, 1);
5956 mono_mb_emit_icon (mb, sizeof (MonoObject));
5957 mono_mb_emit_byte (mb, CEE_ADD);
5958 mono_mb_emit_stloc (mb, 1);
5960 /* src = tmp_locals [i] */
5961 mono_mb_emit_ldloc (mb, conv_arg);
5962 mono_mb_emit_stloc (mb, 0);
5964 /* emit valuetype conversion code */
5965 emit_struct_conv (mb, klass, TRUE);
5967 /* Free the structure returned by the native code */
5968 emit_struct_free (mb, klass, conv_arg);
5970 if (m->orig_conv_args [argnum]) {
5972 * If the native function changed the pointer, then free
5973 * the original structure plus the new pointer.
5975 mono_mb_emit_ldloc (mb, m->orig_conv_args [argnum]);
5976 mono_mb_emit_ldloc (mb, conv_arg);
5977 pos2 = mono_mb_emit_branch (mb, CEE_BEQ);
5979 if (!(t->attrs & PARAM_ATTRIBUTE_OUT)) {
5980 g_assert (m->orig_conv_args [argnum]);
5982 emit_struct_free (mb, klass, m->orig_conv_args [argnum]);
5985 mono_mb_emit_ldloc (mb, conv_arg);
5986 mono_mb_emit_icall (mb, mono_marshal_free);
5988 mono_mb_patch_branch (mb, pos2);
5992 /* Free the original structure passed to native code */
5993 emit_struct_free (mb, klass, conv_arg);
5995 mono_mb_patch_branch (mb, pos);
5998 case MARSHAL_ACTION_PUSH:
6000 mono_mb_emit_ldloc_addr (mb, conv_arg);
6002 mono_mb_emit_ldloc (mb, conv_arg);
6005 case MARSHAL_ACTION_CONV_RESULT:
6006 if (klass->delegate) {
6007 g_assert (!t->byref);
6008 mono_mb_emit_stloc (mb, 0);
6009 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6010 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
6011 mono_mb_emit_ldloc (mb, 0);
6012 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_FTN_DEL, NULL));
6013 mono_mb_emit_stloc (mb, 3);
6014 } else if (klass == mono_defaults.stringbuilder_class){
6018 mono_mb_emit_stloc (mb, 0);
6020 /* Make a copy since emit_conv modifies local 0 */
6021 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6022 mono_mb_emit_ldloc (mb, 0);
6023 mono_mb_emit_stloc (mb, loc);
6025 mono_mb_emit_byte (mb, CEE_LDNULL);
6026 mono_mb_emit_stloc (mb, 3);
6028 mono_mb_emit_ldloc (mb, 0);
6029 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6031 /* allocate result object */
6033 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6034 mono_mb_emit_op (mb, CEE_MONO_NEWOBJ, klass);
6035 mono_mb_emit_stloc (mb, 3);
6039 mono_mb_emit_ldloc (mb, 3);
6040 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6041 mono_mb_emit_stloc (mb, 1);
6043 /* emit conversion code */
6044 emit_struct_conv (mb, klass, TRUE);
6046 emit_struct_free (mb, klass, loc);
6048 /* Free the pointer allocated by unmanaged code */
6049 mono_mb_emit_ldloc (mb, loc);
6050 mono_mb_emit_icall (mb, mono_marshal_free);
6051 mono_mb_patch_branch (mb, pos);
6055 case MARSHAL_ACTION_MANAGED_CONV_IN:
6056 conv_arg = mono_mb_add_local (mb, &klass->byval_arg);
6058 if (klass->delegate) {
6059 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6060 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
6061 mono_mb_emit_ldarg (mb, argnum);
6063 mono_mb_emit_byte (mb, CEE_LDIND_I);
6064 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_FTN_DEL, NULL));
6065 mono_mb_emit_stloc (mb, conv_arg);
6069 if (klass == mono_defaults.stringbuilder_class) {
6070 MonoMarshalNative encoding;
6072 encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
6075 g_assert (encoding == MONO_NATIVE_LPSTR || encoding == MONO_NATIVE_UTF8STR);
6077 g_assert (!t->byref);
6078 g_assert (encoding != -1);
6080 mono_mb_emit_ldarg (mb, argnum);
6081 mono_mb_emit_icall (mb, mono_string_utf8_to_builder2);
6082 mono_mb_emit_stloc (mb, conv_arg);
6086 /* The class can not have an automatic layout */
6087 if (mono_class_is_auto_layout (klass)) {
6088 mono_mb_emit_auto_layout_exception (mb, klass);
6092 if (t->attrs & PARAM_ATTRIBUTE_OUT) {
6093 mono_mb_emit_byte (mb, CEE_LDNULL);
6094 mono_mb_emit_stloc (mb, conv_arg);
6099 mono_mb_emit_ldarg (mb, argnum);
6103 /* Check for NULL and raise an exception */
6104 pos2 = mono_mb_emit_branch (mb, CEE_BRTRUE);
6106 mono_mb_emit_exception (mb, "ArgumentNullException", NULL);
6108 mono_mb_patch_branch (mb, pos2);
6109 mono_mb_emit_ldarg (mb, argnum);
6110 mono_mb_emit_byte (mb, CEE_LDIND_I);
6113 mono_mb_emit_stloc (mb, 0);
6115 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
6116 mono_mb_emit_stloc (mb, conv_arg);
6118 mono_mb_emit_ldloc (mb, 0);
6119 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6121 /* Create and set dst */
6122 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6123 mono_mb_emit_op (mb, CEE_MONO_NEWOBJ, klass);
6124 mono_mb_emit_stloc (mb, conv_arg);
6125 mono_mb_emit_ldloc (mb, conv_arg);
6126 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6127 mono_mb_emit_stloc (mb, 1);
6129 /* emit valuetype conversion code */
6130 emit_struct_conv (mb, klass, TRUE);
6132 mono_mb_patch_branch (mb, pos);
6135 case MARSHAL_ACTION_MANAGED_CONV_OUT:
6136 if (klass->delegate) {
6139 mono_mb_emit_ldarg (mb, argnum);
6140 mono_mb_emit_ldloc (mb, conv_arg);
6141 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_DEL_FTN, &stind_op));
6142 mono_mb_emit_byte (mb, stind_op);
6148 /* Check for null */
6149 mono_mb_emit_ldloc (mb, conv_arg);
6150 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
6151 mono_mb_emit_ldarg (mb, argnum);
6152 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
6153 mono_mb_emit_byte (mb, CEE_STIND_REF);
6154 pos2 = mono_mb_emit_branch (mb, CEE_BR);
6156 mono_mb_patch_branch (mb, pos);
6159 mono_mb_emit_ldloc (mb, conv_arg);
6160 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6161 mono_mb_emit_stloc (mb, 0);
6163 /* Allocate and set dest */
6164 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
6165 mono_mb_emit_byte (mb, CEE_CONV_I);
6166 mono_mb_emit_icall (mb, ves_icall_marshal_alloc);
6167 mono_mb_emit_stloc (mb, 1);
6169 /* Update argument pointer */
6170 mono_mb_emit_ldarg (mb, argnum);
6171 mono_mb_emit_ldloc (mb, 1);
6172 mono_mb_emit_byte (mb, CEE_STIND_I);
6174 /* emit valuetype conversion code */
6175 emit_struct_conv (mb, klass, FALSE);
6177 mono_mb_patch_branch (mb, pos2);
6178 } else if (klass == mono_defaults.stringbuilder_class) {
6179 // FIXME: What to do here ?
6181 /* byval [Out] marshalling */
6183 /* FIXME: Handle null */
6186 mono_mb_emit_ldloc (mb, conv_arg);
6187 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6188 mono_mb_emit_stloc (mb, 0);
6191 mono_mb_emit_ldarg (mb, argnum);
6192 mono_mb_emit_stloc (mb, 1);
6194 /* emit valuetype conversion code */
6195 emit_struct_conv (mb, klass, FALSE);
6199 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
6200 if (klass->delegate) {
6201 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_DEL_FTN, NULL));
6202 mono_mb_emit_stloc (mb, 3);
6206 /* The class can not have an automatic layout */
6207 if (mono_class_is_auto_layout (klass)) {
6208 mono_mb_emit_auto_layout_exception (mb, klass);
6212 mono_mb_emit_stloc (mb, 0);
6213 /* Check for null */
6214 mono_mb_emit_ldloc (mb, 0);
6215 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
6216 mono_mb_emit_byte (mb, CEE_LDNULL);
6217 mono_mb_emit_stloc (mb, 3);
6218 pos2 = mono_mb_emit_branch (mb, CEE_BR);
6220 mono_mb_patch_branch (mb, pos);
6223 mono_mb_emit_ldloc (mb, 0);
6224 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6225 mono_mb_emit_stloc (mb, 0);
6227 /* Allocate and set dest */
6228 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
6229 mono_mb_emit_byte (mb, CEE_CONV_I);
6230 mono_mb_emit_icall (mb, ves_icall_marshal_alloc);
6231 mono_mb_emit_byte (mb, CEE_DUP);
6232 mono_mb_emit_stloc (mb, 1);
6233 mono_mb_emit_stloc (mb, 3);
6235 emit_struct_conv (mb, klass, FALSE);
6237 mono_mb_patch_branch (mb, pos2);
6241 g_assert_not_reached ();
6252 emit_marshal_variant (EmitMarshalContext *m, int argnum, MonoType *t,
6253 MonoMarshalSpec *spec,
6254 int conv_arg, MonoType **conv_arg_type,
6255 MarshalAction action)
6257 MonoMethodBuilder *mb = m->mb;
6258 static MonoMethod *get_object_for_native_variant = NULL;
6259 static MonoMethod *get_native_variant_for_object = NULL;
6261 if (!get_object_for_native_variant)
6262 get_object_for_native_variant = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetObjectForNativeVariant", 1);
6263 g_assert (get_object_for_native_variant);
6265 if (!get_native_variant_for_object)
6266 get_native_variant_for_object = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetNativeVariantForObject", 2);
6267 g_assert (get_native_variant_for_object);
6270 case MARSHAL_ACTION_CONV_IN: {
6271 conv_arg = mono_mb_add_local (mb, &mono_class_get_variant_class ()->byval_arg);
6274 *conv_arg_type = &mono_class_get_variant_class ()->this_arg;
6276 *conv_arg_type = &mono_class_get_variant_class ()->byval_arg;
6278 if (t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && t->attrs & PARAM_ATTRIBUTE_OUT)
6281 mono_mb_emit_ldarg (mb, argnum);
6283 mono_mb_emit_byte(mb, CEE_LDIND_REF);
6284 mono_mb_emit_ldloc_addr (mb, conv_arg);
6285 mono_mb_emit_managed_call (mb, get_native_variant_for_object, NULL);
6289 case MARSHAL_ACTION_CONV_OUT: {
6290 static MonoMethod *variant_clear = NULL;
6293 variant_clear = mono_class_get_method_from_name (mono_class_get_variant_class (), "Clear", 0);
6294 g_assert (variant_clear);
6297 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT || !(t->attrs & PARAM_ATTRIBUTE_IN))) {
6298 mono_mb_emit_ldarg (mb, argnum);
6299 mono_mb_emit_ldloc_addr (mb, conv_arg);
6300 mono_mb_emit_managed_call (mb, get_object_for_native_variant, NULL);
6301 mono_mb_emit_byte (mb, CEE_STIND_REF);
6304 mono_mb_emit_ldloc_addr (mb, conv_arg);
6305 mono_mb_emit_managed_call (mb, variant_clear, NULL);
6309 case MARSHAL_ACTION_PUSH:
6311 mono_mb_emit_ldloc_addr (mb, conv_arg);
6313 mono_mb_emit_ldloc (mb, conv_arg);
6316 case MARSHAL_ACTION_CONV_RESULT: {
6317 char *msg = g_strdup ("Marshalling of VARIANT not supported as a return type.");
6318 mono_mb_emit_exception_marshal_directive (mb, msg);
6322 case MARSHAL_ACTION_MANAGED_CONV_IN: {
6323 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
6326 *conv_arg_type = &mono_class_get_variant_class ()->this_arg;
6328 *conv_arg_type = &mono_class_get_variant_class ()->byval_arg;
6330 if (t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && t->attrs & PARAM_ATTRIBUTE_OUT)
6334 mono_mb_emit_ldarg (mb, argnum);
6336 mono_mb_emit_ldarg_addr (mb, argnum);
6337 mono_mb_emit_managed_call (mb, get_object_for_native_variant, NULL);
6338 mono_mb_emit_stloc (mb, conv_arg);
6342 case MARSHAL_ACTION_MANAGED_CONV_OUT: {
6343 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT || !(t->attrs & PARAM_ATTRIBUTE_IN))) {
6344 mono_mb_emit_ldloc (mb, conv_arg);
6345 mono_mb_emit_ldarg (mb, argnum);
6346 mono_mb_emit_managed_call (mb, get_native_variant_for_object, NULL);
6351 case MARSHAL_ACTION_MANAGED_CONV_RESULT: {
6352 char *msg = g_strdup ("Marshalling of VARIANT not supported as a return type.");
6353 mono_mb_emit_exception_marshal_directive (mb, msg);
6358 g_assert_not_reached ();
6364 #endif /* DISABLE_COM */
6365 #endif /* DISABLE_JIT */
6368 mono_pinvoke_is_unicode (MonoMethodPInvoke *piinfo)
6370 switch (piinfo->piflags & PINVOKE_ATTRIBUTE_CHAR_SET_MASK) {
6371 case PINVOKE_ATTRIBUTE_CHAR_SET_ANSI:
6373 case PINVOKE_ATTRIBUTE_CHAR_SET_UNICODE:
6375 case PINVOKE_ATTRIBUTE_CHAR_SET_AUTO:
6387 emit_marshal_array (EmitMarshalContext *m, int argnum, MonoType *t,
6388 MonoMarshalSpec *spec,
6389 int conv_arg, MonoType **conv_arg_type,
6390 MarshalAction action)
6394 case MARSHAL_ACTION_CONV_IN:
6395 *conv_arg_type = &mono_defaults.object_class->byval_arg;
6397 case MARSHAL_ACTION_MANAGED_CONV_IN:
6398 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6402 MonoMethodBuilder *mb = m->mb;
6403 MonoClass *klass = mono_class_from_mono_type (t);
6404 gboolean need_convert, need_free;
6405 MonoMarshalNative encoding;
6407 encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
6410 case MARSHAL_ACTION_CONV_IN:
6411 *conv_arg_type = &mono_defaults.object_class->byval_arg;
6412 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
6414 if (klass->element_class->blittable) {
6415 mono_mb_emit_ldarg (mb, argnum);
6417 mono_mb_emit_byte (mb, CEE_LDIND_I);
6418 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_ARRAY_LPARRAY, NULL));
6419 mono_mb_emit_stloc (mb, conv_arg);
6422 guint32 label1, label2, label3;
6423 int index_var, src_var, dest_ptr, esize;
6424 MonoMarshalConv conv;
6425 gboolean is_string = FALSE;
6427 dest_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6429 eklass = klass->element_class;
6431 if (eklass == mono_defaults.string_class) {
6433 conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
6435 else if (eklass == mono_defaults.stringbuilder_class) {
6437 conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
6440 conv = MONO_MARSHAL_CONV_INVALID;
6442 if (is_string && conv == MONO_MARSHAL_CONV_INVALID) {
6443 char *msg = g_strdup_printf ("string/stringbuilder marshalling conversion %d not implemented", encoding);
6444 mono_mb_emit_exception_marshal_directive (mb, msg);
6448 src_var = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
6449 mono_mb_emit_ldarg (mb, argnum);
6451 mono_mb_emit_byte (mb, CEE_LDIND_I);
6452 mono_mb_emit_stloc (mb, src_var);
6455 mono_mb_emit_ldloc (mb, src_var);
6456 mono_mb_emit_stloc (mb, conv_arg);
6457 mono_mb_emit_ldloc (mb, src_var);
6458 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6461 esize = sizeof (gpointer);
6462 else if (eklass == mono_defaults.char_class) /*can't call mono_marshal_type_size since it causes all sorts of asserts*/
6463 esize = mono_pinvoke_is_unicode (m->piinfo) ? 2 : 1;
6465 esize = mono_class_native_size (eklass, NULL);
6467 /* allocate space for the native struct and store the address */
6468 mono_mb_emit_icon (mb, esize);
6469 mono_mb_emit_ldloc (mb, src_var);
6470 mono_mb_emit_byte (mb, CEE_LDLEN);
6472 if (eklass == mono_defaults.string_class) {
6473 /* Make the array bigger for the terminating null */
6474 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
6475 mono_mb_emit_byte (mb, CEE_ADD);
6477 mono_mb_emit_byte (mb, CEE_MUL);
6478 mono_mb_emit_byte (mb, CEE_PREFIX1);
6479 mono_mb_emit_byte (mb, CEE_LOCALLOC);
6480 mono_mb_emit_stloc (mb, conv_arg);
6482 mono_mb_emit_ldloc (mb, conv_arg);
6483 mono_mb_emit_stloc (mb, dest_ptr);
6485 /* Emit marshalling loop */
6486 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6487 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
6488 mono_mb_emit_stloc (mb, index_var);
6489 label2 = mono_mb_get_label (mb);
6490 mono_mb_emit_ldloc (mb, index_var);
6491 mono_mb_emit_ldloc (mb, src_var);
6492 mono_mb_emit_byte (mb, CEE_LDLEN);
6493 label3 = mono_mb_emit_branch (mb, CEE_BGE);
6495 /* Emit marshalling code */
6499 mono_mb_emit_ldloc (mb, dest_ptr);
6500 mono_mb_emit_ldloc (mb, src_var);
6501 mono_mb_emit_ldloc (mb, index_var);
6502 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
6503 mono_mb_emit_icall (mb, conv_to_icall (conv, &stind_op));
6504 mono_mb_emit_byte (mb, stind_op);
6506 /* set the src_ptr */
6507 mono_mb_emit_ldloc (mb, src_var);
6508 mono_mb_emit_ldloc (mb, index_var);
6509 mono_mb_emit_op (mb, CEE_LDELEMA, eklass);
6510 mono_mb_emit_stloc (mb, 0);
6513 mono_mb_emit_ldloc (mb, dest_ptr);
6514 mono_mb_emit_stloc (mb, 1);
6516 /* emit valuetype conversion code */
6517 emit_struct_conv_full (mb, eklass, FALSE, 0, eklass == mono_defaults.char_class ? encoding : (MonoMarshalNative)-1);
6520 mono_mb_emit_add_to_local (mb, index_var, 1);
6521 mono_mb_emit_add_to_local (mb, dest_ptr, esize);
6523 mono_mb_emit_branch_label (mb, CEE_BR, label2);
6525 mono_mb_patch_branch (mb, label3);
6527 if (eklass == mono_defaults.string_class) {
6528 /* Null terminate */
6529 mono_mb_emit_ldloc (mb, dest_ptr);
6530 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
6531 mono_mb_emit_byte (mb, CEE_STIND_REF);
6534 mono_mb_patch_branch (mb, label1);
6539 case MARSHAL_ACTION_CONV_OUT:
6540 /* Unicode character arrays are implicitly marshalled as [Out] under MS.NET */
6541 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);
6542 need_free = mono_marshal_need_free (&klass->element_class->byval_arg,
6545 if ((t->attrs & PARAM_ATTRIBUTE_OUT) && spec && spec->native == MONO_NATIVE_LPARRAY && spec->data.array_data.param_num != -1) {
6546 int param_num = spec->data.array_data.param_num;
6547 MonoType *param_type;
6549 param_type = m->sig->params [param_num];
6551 if (param_type->byref && param_type->type != MONO_TYPE_I4) {
6552 char *msg = g_strdup ("Not implemented.");
6553 mono_mb_emit_exception_marshal_directive (mb, msg);
6558 mono_mb_emit_ldarg (mb, argnum);
6560 /* Create the managed array */
6561 mono_mb_emit_ldarg (mb, param_num);
6562 if (m->sig->params [param_num]->byref)
6563 // FIXME: Support other types
6564 mono_mb_emit_byte (mb, CEE_LDIND_I4);
6565 mono_mb_emit_byte (mb, CEE_CONV_OVF_I);
6566 mono_mb_emit_op (mb, CEE_NEWARR, klass->element_class);
6567 /* Store into argument */
6568 mono_mb_emit_byte (mb, CEE_STIND_REF);
6572 if (need_convert || need_free) {
6573 /* FIXME: Optimize blittable case */
6575 guint32 label1, label2, label3;
6576 int index_var, src_ptr, loc, esize;
6578 eklass = klass->element_class;
6579 if ((eklass == mono_defaults.stringbuilder_class) || (eklass == mono_defaults.string_class))
6580 esize = sizeof (gpointer);
6581 else if (eklass == mono_defaults.char_class)
6582 esize = mono_pinvoke_is_unicode (m->piinfo) ? 2 : 1;
6584 esize = mono_class_native_size (eklass, NULL);
6585 src_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6586 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6589 mono_mb_emit_ldarg (mb, argnum);
6591 mono_mb_emit_byte (mb, CEE_LDIND_I);
6592 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6594 mono_mb_emit_ldloc (mb, conv_arg);
6595 mono_mb_emit_stloc (mb, src_ptr);
6597 /* Emit marshalling loop */
6598 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6599 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
6600 mono_mb_emit_stloc (mb, index_var);
6601 label2 = mono_mb_get_label (mb);
6602 mono_mb_emit_ldloc (mb, index_var);
6603 mono_mb_emit_ldarg (mb, argnum);
6605 mono_mb_emit_byte (mb, CEE_LDIND_REF);
6606 mono_mb_emit_byte (mb, CEE_LDLEN);
6607 label3 = mono_mb_emit_branch (mb, CEE_BGE);
6609 /* Emit marshalling code */
6611 if (eklass == mono_defaults.stringbuilder_class) {
6612 gboolean need_free2;
6613 MonoMarshalConv conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free2);
6615 g_assert (conv != MONO_MARSHAL_CONV_INVALID);
6618 mono_mb_emit_ldarg (mb, argnum);
6620 mono_mb_emit_byte (mb, CEE_LDIND_I);
6621 mono_mb_emit_ldloc (mb, index_var);
6622 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
6625 mono_mb_emit_ldloc (mb, src_ptr);
6626 mono_mb_emit_byte (mb, CEE_LDIND_I);
6628 mono_mb_emit_icall (mb, conv_to_icall (conv, NULL));
6632 mono_mb_emit_ldloc (mb, src_ptr);
6633 mono_mb_emit_byte (mb, CEE_LDIND_I);
6635 mono_mb_emit_icall (mb, mono_marshal_free);
6638 else if (eklass == mono_defaults.string_class) {
6641 mono_mb_emit_ldloc (mb, src_ptr);
6642 mono_mb_emit_byte (mb, CEE_LDIND_I);
6644 mono_mb_emit_icall (mb, mono_marshal_free);
6649 /* set the src_ptr */
6650 mono_mb_emit_ldloc (mb, src_ptr);
6651 mono_mb_emit_stloc (mb, 0);
6654 mono_mb_emit_ldarg (mb, argnum);
6656 mono_mb_emit_byte (mb, CEE_LDIND_REF);
6657 mono_mb_emit_ldloc (mb, index_var);
6658 mono_mb_emit_op (mb, CEE_LDELEMA, eklass);
6659 mono_mb_emit_stloc (mb, 1);
6661 /* emit valuetype conversion code */
6662 emit_struct_conv_full (mb, eklass, TRUE, 0, eklass == mono_defaults.char_class ? encoding : (MonoMarshalNative)-1);
6666 mono_mb_emit_ldloc (mb, src_ptr);
6667 mono_mb_emit_stloc (mb, loc);
6668 mono_mb_emit_ldloc (mb, loc);
6670 emit_struct_free (mb, eklass, loc);
6674 mono_mb_emit_add_to_local (mb, index_var, 1);
6675 mono_mb_emit_add_to_local (mb, src_ptr, esize);
6677 mono_mb_emit_branch_label (mb, CEE_BR, label2);
6679 mono_mb_patch_branch (mb, label1);
6680 mono_mb_patch_branch (mb, label3);
6683 if (klass->element_class->blittable) {
6684 /* free memory allocated (if any) by MONO_MARSHAL_CONV_ARRAY_LPARRAY */
6686 mono_mb_emit_ldarg (mb, argnum);
6688 mono_mb_emit_byte (mb, CEE_LDIND_REF);
6689 mono_mb_emit_ldloc (mb, conv_arg);
6690 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_FREE_LPARRAY, NULL));
6695 case MARSHAL_ACTION_PUSH:
6697 mono_mb_emit_ldloc_addr (mb, conv_arg);
6699 mono_mb_emit_ldloc (mb, conv_arg);
6702 case MARSHAL_ACTION_CONV_RESULT:
6703 /* fixme: we need conversions here */
6704 mono_mb_emit_stloc (mb, 3);
6707 case MARSHAL_ACTION_MANAGED_CONV_IN: {
6709 guint32 label1, label2, label3;
6710 int index_var, src_ptr, esize, param_num, num_elem;
6711 MonoMarshalConv conv;
6712 gboolean is_string = FALSE;
6714 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
6715 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6718 char *msg = g_strdup ("Byref array marshalling to managed code is not implemented.");
6719 mono_mb_emit_exception_marshal_directive (mb, msg);
6723 char *msg = g_strdup ("[MarshalAs] attribute required to marshal arrays to managed code.");
6724 mono_mb_emit_exception_marshal_directive (mb, msg);
6727 if (spec->native != MONO_NATIVE_LPARRAY) {
6728 char *msg = g_strdup ("Non LPArray marshalling of arrays to managed code is not implemented.");
6729 mono_mb_emit_exception_marshal_directive (mb, msg);
6733 /* FIXME: t is from the method which is wrapped, not the delegate type */
6734 /* g_assert (t->attrs & PARAM_ATTRIBUTE_IN); */
6736 param_num = spec->data.array_data.param_num;
6737 num_elem = spec->data.array_data.num_elem;
6738 if (spec->data.array_data.elem_mult == 0)
6739 /* param_num is not specified */
6742 if (param_num == -1) {
6743 if (num_elem <= 0) {
6744 char *msg = g_strdup ("Either SizeConst or SizeParamIndex should be specified when marshalling arrays to managed code.");
6745 mono_mb_emit_exception_marshal_directive (mb, msg);
6750 /* FIXME: Optimize blittable case */
6752 eklass = klass->element_class;
6753 if (eklass == mono_defaults.string_class) {
6755 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
6757 else if (eklass == mono_defaults.stringbuilder_class) {
6759 conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free);
6762 conv = MONO_MARSHAL_CONV_INVALID;
6764 mono_marshal_load_type_info (eklass);
6767 esize = sizeof (gpointer);
6769 esize = mono_class_native_size (eklass, NULL);
6770 src_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6772 mono_mb_emit_byte (mb, CEE_LDNULL);
6773 mono_mb_emit_stloc (mb, conv_arg);
6775 /* Check param index */
6776 if (param_num != -1) {
6777 if (param_num >= m->sig->param_count) {
6778 char *msg = g_strdup ("Array size control parameter index is out of range.");
6779 mono_mb_emit_exception_marshal_directive (mb, msg);
6782 switch (m->sig->params [param_num]->type) {
6795 char *msg = g_strdup ("Array size control parameter must be an integral type.");
6796 mono_mb_emit_exception_marshal_directive (mb, msg);
6803 mono_mb_emit_ldarg (mb, argnum);
6804 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6806 mono_mb_emit_ldarg (mb, argnum);
6807 mono_mb_emit_stloc (mb, src_ptr);
6809 /* Create managed array */
6811 * The LPArray marshalling spec says that sometimes param_num starts
6812 * from 1, sometimes it starts from 0. But MS seems to allways start
6816 if (param_num == -1) {
6817 mono_mb_emit_icon (mb, num_elem);
6819 mono_mb_emit_ldarg (mb, param_num);
6821 mono_mb_emit_icon (mb, num_elem);
6822 mono_mb_emit_byte (mb, CEE_ADD);
6824 mono_mb_emit_byte (mb, CEE_CONV_OVF_I);
6827 mono_mb_emit_op (mb, CEE_NEWARR, eklass);
6828 mono_mb_emit_stloc (mb, conv_arg);
6830 if (eklass->blittable) {
6831 mono_mb_emit_ldloc (mb, conv_arg);
6832 mono_mb_emit_byte (mb, CEE_CONV_I);
6833 mono_mb_emit_icon (mb, MONO_STRUCT_OFFSET (MonoArray, vector));
6834 mono_mb_emit_byte (mb, CEE_ADD);
6835 mono_mb_emit_ldarg (mb, argnum);
6836 mono_mb_emit_ldloc (mb, conv_arg);
6837 mono_mb_emit_byte (mb, CEE_LDLEN);
6838 mono_mb_emit_icon (mb, esize);
6839 mono_mb_emit_byte (mb, CEE_MUL);
6840 mono_mb_emit_byte (mb, CEE_PREFIX1);
6841 mono_mb_emit_byte (mb, CEE_CPBLK);
6842 mono_mb_patch_branch (mb, label1);
6846 /* Emit marshalling loop */
6847 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6848 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
6849 mono_mb_emit_stloc (mb, index_var);
6850 label2 = mono_mb_get_label (mb);
6851 mono_mb_emit_ldloc (mb, index_var);
6852 mono_mb_emit_ldloc (mb, conv_arg);
6853 mono_mb_emit_byte (mb, CEE_LDLEN);
6854 label3 = mono_mb_emit_branch (mb, CEE_BGE);
6856 /* Emit marshalling code */
6858 g_assert (conv != MONO_MARSHAL_CONV_INVALID);
6860 mono_mb_emit_ldloc (mb, conv_arg);
6861 mono_mb_emit_ldloc (mb, index_var);
6863 mono_mb_emit_ldloc (mb, src_ptr);
6864 mono_mb_emit_byte (mb, CEE_LDIND_I);
6866 mono_mb_emit_icall (mb, conv_to_icall (conv, NULL));
6867 mono_mb_emit_byte (mb, CEE_STELEM_REF);
6870 char *msg = g_strdup ("Marshalling of non-string and non-blittable arrays to managed code is not implemented.");
6871 mono_mb_emit_exception_marshal_directive (mb, msg);
6875 mono_mb_emit_add_to_local (mb, index_var, 1);
6876 mono_mb_emit_add_to_local (mb, src_ptr, esize);
6878 mono_mb_emit_branch_label (mb, CEE_BR, label2);
6880 mono_mb_patch_branch (mb, label1);
6881 mono_mb_patch_branch (mb, label3);
6885 case MARSHAL_ACTION_MANAGED_CONV_OUT: {
6887 guint32 label1, label2, label3;
6888 int index_var, dest_ptr, esize, param_num, num_elem;
6889 MonoMarshalConv conv;
6890 gboolean is_string = FALSE;
6893 /* Already handled in CONV_IN */
6896 /* These are already checked in CONV_IN */
6897 g_assert (!t->byref);
6898 g_assert (spec->native == MONO_NATIVE_LPARRAY);
6899 g_assert (t->attrs & PARAM_ATTRIBUTE_OUT);
6901 param_num = spec->data.array_data.param_num;
6902 num_elem = spec->data.array_data.num_elem;
6904 if (spec->data.array_data.elem_mult == 0)
6905 /* param_num is not specified */
6908 if (param_num == -1) {
6909 if (num_elem <= 0) {
6910 g_assert_not_reached ();
6914 /* FIXME: Optimize blittable case */
6916 eklass = klass->element_class;
6917 if (eklass == mono_defaults.string_class) {
6919 conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
6921 else if (eklass == mono_defaults.stringbuilder_class) {
6923 conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
6926 conv = MONO_MARSHAL_CONV_INVALID;
6928 mono_marshal_load_type_info (eklass);
6931 esize = sizeof (gpointer);
6933 esize = mono_class_native_size (eklass, NULL);
6935 dest_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6938 mono_mb_emit_ldloc (mb, conv_arg);
6939 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6941 mono_mb_emit_ldarg (mb, argnum);
6942 mono_mb_emit_stloc (mb, dest_ptr);
6944 if (eklass->blittable) {
6946 mono_mb_emit_ldarg (mb, argnum);
6948 mono_mb_emit_ldloc (mb, conv_arg);
6949 mono_mb_emit_byte (mb, CEE_CONV_I);
6950 mono_mb_emit_icon (mb, MONO_STRUCT_OFFSET (MonoArray, vector));
6951 mono_mb_emit_byte (mb, CEE_ADD);
6953 mono_mb_emit_ldloc (mb, conv_arg);
6954 mono_mb_emit_byte (mb, CEE_LDLEN);
6955 mono_mb_emit_icon (mb, esize);
6956 mono_mb_emit_byte (mb, CEE_MUL);
6957 mono_mb_emit_byte (mb, CEE_PREFIX1);
6958 mono_mb_emit_byte (mb, CEE_CPBLK);
6962 /* Emit marshalling loop */
6963 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6964 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
6965 mono_mb_emit_stloc (mb, index_var);
6966 label2 = mono_mb_get_label (mb);
6967 mono_mb_emit_ldloc (mb, index_var);
6968 mono_mb_emit_ldloc (mb, conv_arg);
6969 mono_mb_emit_byte (mb, CEE_LDLEN);
6970 label3 = mono_mb_emit_branch (mb, CEE_BGE);
6972 /* Emit marshalling code */
6975 g_assert (conv != MONO_MARSHAL_CONV_INVALID);
6978 mono_mb_emit_ldloc (mb, dest_ptr);
6981 mono_mb_emit_ldloc (mb, conv_arg);
6982 mono_mb_emit_ldloc (mb, index_var);
6984 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
6986 mono_mb_emit_icall (mb, conv_to_icall (conv, &stind_op));
6987 mono_mb_emit_byte (mb, stind_op);
6990 char *msg = g_strdup ("Marshalling of non-string and non-blittable arrays to managed code is not implemented.");
6991 mono_mb_emit_exception_marshal_directive (mb, msg);
6995 mono_mb_emit_add_to_local (mb, index_var, 1);
6996 mono_mb_emit_add_to_local (mb, dest_ptr, esize);
6998 mono_mb_emit_branch_label (mb, CEE_BR, label2);
7000 mono_mb_patch_branch (mb, label1);
7001 mono_mb_patch_branch (mb, label3);
7005 case MARSHAL_ACTION_MANAGED_CONV_RESULT: {
7007 guint32 label1, label2, label3;
7008 int index_var, src, dest, esize;
7009 MonoMarshalConv conv = MONO_MARSHAL_CONV_INVALID;
7010 gboolean is_string = FALSE;
7012 g_assert (!t->byref);
7014 eklass = klass->element_class;
7016 mono_marshal_load_type_info (eklass);
7018 if (eklass == mono_defaults.string_class) {
7020 conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
7023 g_assert_not_reached ();
7027 esize = sizeof (gpointer);
7028 else if (eklass == mono_defaults.char_class)
7029 esize = mono_pinvoke_is_unicode (m->piinfo) ? 2 : 1;
7031 esize = mono_class_native_size (eklass, NULL);
7033 src = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
7034 dest = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7036 mono_mb_emit_stloc (mb, src);
7037 mono_mb_emit_ldloc (mb, src);
7038 mono_mb_emit_stloc (mb, 3);
7040 /* Check for null */
7041 mono_mb_emit_ldloc (mb, src);
7042 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
7044 /* Allocate native array */
7045 mono_mb_emit_icon (mb, esize);
7046 mono_mb_emit_ldloc (mb, src);
7047 mono_mb_emit_byte (mb, CEE_LDLEN);
7049 if (eklass == mono_defaults.string_class) {
7050 /* Make the array bigger for the terminating null */
7051 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
7052 mono_mb_emit_byte (mb, CEE_ADD);
7054 mono_mb_emit_byte (mb, CEE_MUL);
7055 mono_mb_emit_icall (mb, ves_icall_marshal_alloc);
7056 mono_mb_emit_stloc (mb, dest);
7057 mono_mb_emit_ldloc (mb, dest);
7058 mono_mb_emit_stloc (mb, 3);
7060 /* Emit marshalling loop */
7061 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7062 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7063 mono_mb_emit_stloc (mb, index_var);
7064 label2 = mono_mb_get_label (mb);
7065 mono_mb_emit_ldloc (mb, index_var);
7066 mono_mb_emit_ldloc (mb, src);
7067 mono_mb_emit_byte (mb, CEE_LDLEN);
7068 label3 = mono_mb_emit_branch (mb, CEE_BGE);
7070 /* Emit marshalling code */
7073 g_assert (conv != MONO_MARSHAL_CONV_INVALID);
7076 mono_mb_emit_ldloc (mb, dest);
7079 mono_mb_emit_ldloc (mb, src);
7080 mono_mb_emit_ldloc (mb, index_var);
7082 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
7084 mono_mb_emit_icall (mb, conv_to_icall (conv, &stind_op));
7085 mono_mb_emit_byte (mb, stind_op);
7088 char *msg = g_strdup ("Marshalling of non-string arrays to managed code is not implemented.");
7089 mono_mb_emit_exception_marshal_directive (mb, msg);
7093 mono_mb_emit_add_to_local (mb, index_var, 1);
7094 mono_mb_emit_add_to_local (mb, dest, esize);
7096 mono_mb_emit_branch_label (mb, CEE_BR, label2);
7098 mono_mb_patch_branch (mb, label3);
7099 mono_mb_patch_branch (mb, label1);
7103 g_assert_not_reached ();
7110 marshal_boolean_conv_in_get_local_type (MonoMarshalSpec *spec, guint8 *ldc_op /*out*/)
7113 return &mono_defaults.int32_class->byval_arg;
7115 switch (spec->native) {
7116 case MONO_NATIVE_I1:
7117 case MONO_NATIVE_U1:
7118 return &mono_defaults.byte_class->byval_arg;
7119 case MONO_NATIVE_VARIANTBOOL:
7120 if (ldc_op) *ldc_op = CEE_LDC_I4_M1;
7121 return &mono_defaults.int16_class->byval_arg;
7122 case MONO_NATIVE_BOOLEAN:
7123 return &mono_defaults.int32_class->byval_arg;
7125 g_warning ("marshalling bool as native type %x is currently not supported", spec->native);
7126 return &mono_defaults.int32_class->byval_arg;
7132 marshal_boolean_managed_conv_in_get_conv_arg_class (MonoMarshalSpec *spec, guint8 *ldop/*out*/)
7134 MonoClass* conv_arg_class = mono_defaults.int32_class;
7136 switch (spec->native) {
7137 case MONO_NATIVE_I1:
7138 case MONO_NATIVE_U1:
7139 conv_arg_class = mono_defaults.byte_class;
7140 if (ldop) *ldop = CEE_LDIND_I1;
7142 case MONO_NATIVE_VARIANTBOOL:
7143 conv_arg_class = mono_defaults.int16_class;
7144 if (ldop) *ldop = CEE_LDIND_I2;
7146 case MONO_NATIVE_BOOLEAN:
7149 g_warning ("marshalling bool as native type %x is currently not supported", spec->native);
7152 return conv_arg_class;
7156 emit_marshal_boolean (EmitMarshalContext *m, int argnum, MonoType *t,
7157 MonoMarshalSpec *spec,
7158 int conv_arg, MonoType **conv_arg_type,
7159 MarshalAction action)
7163 case MARSHAL_ACTION_CONV_IN:
7165 *conv_arg_type = &mono_defaults.int_class->byval_arg;
7167 *conv_arg_type = marshal_boolean_conv_in_get_local_type (spec, NULL);
7170 case MARSHAL_ACTION_MANAGED_CONV_IN: {
7171 MonoClass* conv_arg_class = marshal_boolean_managed_conv_in_get_conv_arg_class (spec, NULL);
7173 *conv_arg_type = &conv_arg_class->this_arg;
7175 *conv_arg_type = &conv_arg_class->byval_arg;
7181 MonoMethodBuilder *mb = m->mb;
7184 case MARSHAL_ACTION_CONV_IN: {
7185 MonoType *local_type;
7187 guint8 ldc_op = CEE_LDC_I4_1;
7189 local_type = marshal_boolean_conv_in_get_local_type (spec, &ldc_op);
7191 *conv_arg_type = &mono_defaults.int_class->byval_arg;
7193 *conv_arg_type = local_type;
7194 conv_arg = mono_mb_add_local (mb, local_type);
7196 mono_mb_emit_ldarg (mb, argnum);
7198 mono_mb_emit_byte (mb, CEE_LDIND_I1);
7199 label_false = mono_mb_emit_branch (mb, CEE_BRFALSE);
7200 mono_mb_emit_byte (mb, ldc_op);
7201 mono_mb_emit_stloc (mb, conv_arg);
7202 mono_mb_patch_branch (mb, label_false);
7207 case MARSHAL_ACTION_CONV_OUT:
7209 int label_false, label_end;
7213 mono_mb_emit_ldarg (mb, argnum);
7214 mono_mb_emit_ldloc (mb, conv_arg);
7216 label_false = mono_mb_emit_branch (mb, CEE_BRFALSE);
7217 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
7219 label_end = mono_mb_emit_branch (mb, CEE_BR);
7220 mono_mb_patch_branch (mb, label_false);
7221 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7222 mono_mb_patch_branch (mb, label_end);
7224 mono_mb_emit_byte (mb, CEE_STIND_I1);
7228 case MARSHAL_ACTION_PUSH:
7230 mono_mb_emit_ldloc_addr (mb, conv_arg);
7232 mono_mb_emit_ldloc (mb, conv_arg);
7234 mono_mb_emit_ldarg (mb, argnum);
7237 case MARSHAL_ACTION_CONV_RESULT:
7238 /* maybe we need to make sure that it fits within 8 bits */
7239 mono_mb_emit_stloc (mb, 3);
7242 case MARSHAL_ACTION_MANAGED_CONV_IN: {
7243 MonoClass* conv_arg_class = mono_defaults.int32_class;
7244 guint8 ldop = CEE_LDIND_I4;
7245 int label_null, label_false;
7247 conv_arg_class = marshal_boolean_managed_conv_in_get_conv_arg_class (spec, &ldop);
7248 conv_arg = mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
7251 *conv_arg_type = &conv_arg_class->this_arg;
7253 *conv_arg_type = &conv_arg_class->byval_arg;
7256 mono_mb_emit_ldarg (mb, argnum);
7260 label_null = mono_mb_emit_branch (mb, CEE_BRFALSE);
7261 mono_mb_emit_ldarg (mb, argnum);
7262 mono_mb_emit_byte (mb, ldop);
7266 label_false = mono_mb_emit_branch (mb, CEE_BRFALSE);
7267 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
7268 mono_mb_emit_stloc (mb, conv_arg);
7269 mono_mb_patch_branch (mb, label_false);
7272 mono_mb_patch_branch (mb, label_null);
7276 case MARSHAL_ACTION_MANAGED_CONV_OUT: {
7277 guint8 stop = CEE_STIND_I4;
7278 guint8 ldc_op = CEE_LDC_I4_1;
7279 int label_null,label_false, label_end;;
7284 switch (spec->native) {
7285 case MONO_NATIVE_I1:
7286 case MONO_NATIVE_U1:
7287 stop = CEE_STIND_I1;
7289 case MONO_NATIVE_VARIANTBOOL:
7290 stop = CEE_STIND_I2;
7291 ldc_op = CEE_LDC_I4_M1;
7299 mono_mb_emit_ldarg (mb, argnum);
7300 label_null = mono_mb_emit_branch (mb, CEE_BRFALSE);
7302 mono_mb_emit_ldarg (mb, argnum);
7303 mono_mb_emit_ldloc (mb, conv_arg);
7305 label_false = mono_mb_emit_branch (mb, CEE_BRFALSE);
7306 mono_mb_emit_byte (mb, ldc_op);
7307 label_end = mono_mb_emit_branch (mb, CEE_BR);
7309 mono_mb_patch_branch (mb, label_false);
7310 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7311 mono_mb_patch_branch (mb, label_end);
7313 mono_mb_emit_byte (mb, stop);
7314 mono_mb_patch_branch (mb, label_null);
7319 g_assert_not_reached ();
7326 emit_marshal_ptr (EmitMarshalContext *m, int argnum, MonoType *t,
7327 MonoMarshalSpec *spec, int conv_arg,
7328 MonoType **conv_arg_type, MarshalAction action)
7331 MonoMethodBuilder *mb = m->mb;
7334 case MARSHAL_ACTION_CONV_IN:
7335 /* MS seems to allow this in some cases, ie. bxc #158 */
7337 if (MONO_TYPE_ISSTRUCT (t->data.type) && !mono_class_from_mono_type (t->data.type)->blittable) {
7338 char *msg = g_strdup_printf ("Can not marshal 'parameter #%d': Pointers can not reference marshaled structures. Use byref instead.", argnum + 1);
7339 mono_mb_emit_exception_marshal_directive (m->mb, msg);
7344 case MARSHAL_ACTION_PUSH:
7345 mono_mb_emit_ldarg (mb, argnum);
7348 case MARSHAL_ACTION_CONV_RESULT:
7349 /* no conversions necessary */
7350 mono_mb_emit_stloc (mb, 3);
7361 emit_marshal_char (EmitMarshalContext *m, int argnum, MonoType *t,
7362 MonoMarshalSpec *spec, int conv_arg,
7363 MonoType **conv_arg_type, MarshalAction action)
7366 MonoMethodBuilder *mb = m->mb;
7369 case MARSHAL_ACTION_PUSH:
7370 /* fixme: dont know how to marshal that. We cant simply
7371 * convert it to a one byte UTF8 character, because an
7372 * unicode character may need more that one byte in UTF8 */
7373 mono_mb_emit_ldarg (mb, argnum);
7376 case MARSHAL_ACTION_CONV_RESULT:
7377 /* fixme: we need conversions here */
7378 mono_mb_emit_stloc (mb, 3);
7389 emit_marshal_scalar (EmitMarshalContext *m, int argnum, MonoType *t,
7390 MonoMarshalSpec *spec, int conv_arg,
7391 MonoType **conv_arg_type, MarshalAction action)
7394 MonoMethodBuilder *mb = m->mb;
7397 case MARSHAL_ACTION_PUSH:
7398 mono_mb_emit_ldarg (mb, argnum);
7401 case MARSHAL_ACTION_CONV_RESULT:
7402 /* no conversions necessary */
7403 mono_mb_emit_stloc (mb, 3);
7414 emit_marshal (EmitMarshalContext *m, int argnum, MonoType *t,
7415 MonoMarshalSpec *spec, int conv_arg,
7416 MonoType **conv_arg_type, MarshalAction action)
7418 /* Ensure that we have marshalling info for this param */
7419 mono_marshal_load_type_info (mono_class_from_mono_type (t));
7421 if (spec && spec->native == MONO_NATIVE_CUSTOM)
7422 return emit_marshal_custom (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7424 if (spec && spec->native == MONO_NATIVE_ASANY)
7425 return emit_marshal_asany (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7428 case MONO_TYPE_VALUETYPE:
7429 if (t->data.klass == mono_defaults.handleref_class)
7430 return emit_marshal_handleref (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7432 return emit_marshal_vtype (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7433 case MONO_TYPE_STRING:
7434 return emit_marshal_string (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7435 case MONO_TYPE_CLASS:
7436 case MONO_TYPE_OBJECT:
7437 #if !defined(DISABLE_COM) && !defined(DISABLE_JIT)
7438 if (spec && spec->native == MONO_NATIVE_STRUCT)
7439 return emit_marshal_variant (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7442 #if !defined(DISABLE_COM)
7443 if (spec && (spec->native == MONO_NATIVE_IUNKNOWN ||
7444 spec->native == MONO_NATIVE_IDISPATCH ||
7445 spec->native == MONO_NATIVE_INTERFACE))
7446 return mono_cominterop_emit_marshal_com_interface (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7447 if (spec && (spec->native == MONO_NATIVE_SAFEARRAY) &&
7448 (spec->data.safearray_data.elem_type == MONO_VARIANT_VARIANT) &&
7449 ((action == MARSHAL_ACTION_CONV_OUT) || (action == MARSHAL_ACTION_CONV_IN) || (action == MARSHAL_ACTION_PUSH)))
7450 return mono_cominterop_emit_marshal_safearray (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7453 if (mono_class_try_get_safehandle_class () != NULL && t->data.klass &&
7454 mono_class_is_subclass_of (t->data.klass, mono_class_try_get_safehandle_class (), FALSE))
7455 return emit_marshal_safehandle (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7457 return emit_marshal_object (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7458 case MONO_TYPE_ARRAY:
7459 case MONO_TYPE_SZARRAY:
7460 return emit_marshal_array (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7461 case MONO_TYPE_BOOLEAN:
7462 return emit_marshal_boolean (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7464 return emit_marshal_ptr (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7465 case MONO_TYPE_CHAR:
7466 return emit_marshal_char (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7479 case MONO_TYPE_FNPTR:
7480 return emit_marshal_scalar (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7481 case MONO_TYPE_GENERICINST:
7482 if (mono_type_generic_inst_is_valuetype (t))
7483 return emit_marshal_vtype (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7485 return emit_marshal_object (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7493 * mono_marshal_emit_native_wrapper:
7494 * @image: the image to use for looking up custom marshallers
7495 * @sig: The signature of the native function
7496 * @piinfo: Marshalling information
7497 * @mspecs: Marshalling information
7498 * @aot: whenever the created method will be compiled by the AOT compiler
7499 * @method: if non-NULL, the pinvoke method to call
7500 * @check_exceptions: Whenever to check for pending exceptions after the native call
7501 * @func_param: the function to call is passed as a boxed IntPtr as the first parameter
7503 * generates IL code for the pinvoke wrapper, the generated code calls @func.
7506 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)
7508 EmitMarshalContext m;
7509 MonoMethodSignature *csig;
7511 int i, argnum, *tmp_locals;
7512 int type, param_shift = 0;
7513 int coop_gc_stack_dummy, coop_gc_var;
7515 memset (&m, 0, sizeof (m));
7520 /* we copy the signature, so that we can set pinvoke to 0 */
7522 /* The function address is passed as the first argument */
7523 g_assert (!sig->hasthis);
7526 csig = mono_metadata_signature_dup_full (mb->method->klass->image, sig);
7534 /* we allocate local for use with emit_struct_conv() */
7535 /* allocate local 0 (pointer) src_ptr */
7536 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7537 /* allocate local 1 (pointer) dst_ptr */
7538 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7539 /* allocate local 2 (boolean) delete_old */
7540 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
7542 /* delete_old = FALSE */
7543 mono_mb_emit_icon (mb, 0);
7544 mono_mb_emit_stloc (mb, 2);
7546 if (!MONO_TYPE_IS_VOID (sig->ret)) {
7547 /* allocate local 3 to store the return value */
7548 mono_mb_add_local (mb, sig->ret);
7551 if (mono_threads_is_coop_enabled ()) {
7552 /* local 4, dummy local used to get a stack address for suspend funcs */
7553 coop_gc_stack_dummy = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7554 /* local 5, the local to be used when calling the suspend funcs */
7555 coop_gc_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7559 * cookie = mono_threads_enter_gc_safe_region_unbalanced (ref dummy);
7561 * ret = method (...);
7563 * mono_threads_exit_gc_safe_region_unbalanced (cookie, ref dummy);
7570 if (MONO_TYPE_ISSTRUCT (sig->ret))
7571 m.vtaddr_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7573 if (mspecs [0] && mspecs [0]->native == MONO_NATIVE_CUSTOM) {
7574 /* Return type custom marshaling */
7576 * Since we can't determine the return type of the unmanaged function,
7577 * we assume it returns a pointer, and pass that pointer to
7578 * MarshalNativeToManaged.
7580 csig->ret = &mono_defaults.int_class->byval_arg;
7583 /* we first do all conversions */
7584 tmp_locals = (int *)alloca (sizeof (int) * sig->param_count);
7585 m.orig_conv_args = (int *)alloca (sizeof (int) * (sig->param_count + 1));
7587 for (i = 0; i < sig->param_count; i ++) {
7588 tmp_locals [i] = emit_marshal (&m, i + param_shift, sig->params [i], mspecs [i + 1], 0, &csig->params [i], MARSHAL_ACTION_CONV_IN);
7591 // In coop mode need to register blocking state during native call
7592 if (mono_threads_is_coop_enabled ()) {
7593 // Perform an extra, early lookup of the function address, so any exceptions
7594 // potentially resulting from the lookup occur before entering blocking mode.
7595 if (!func_param && !MONO_CLASS_IS_IMPORT (mb->method->klass) && aot) {
7596 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
7597 mono_mb_emit_op (mb, CEE_MONO_ICALL_ADDR, &piinfo->method);
7598 mono_mb_emit_byte (mb, CEE_POP); // Result not needed yet
7601 mono_mb_emit_ldloc_addr (mb, coop_gc_stack_dummy);
7602 mono_mb_emit_icall (mb, mono_threads_enter_gc_safe_region_unbalanced);
7603 mono_mb_emit_stloc (mb, coop_gc_var);
7606 /* push all arguments */
7609 mono_mb_emit_byte (mb, CEE_LDARG_0);
7611 for (i = 0; i < sig->param_count; i++) {
7612 emit_marshal (&m, i + param_shift, sig->params [i], mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_PUSH);
7615 /* call the native method */
7617 mono_mb_emit_byte (mb, CEE_LDARG_0);
7618 mono_mb_emit_op (mb, CEE_UNBOX, mono_defaults.int_class);
7619 mono_mb_emit_byte (mb, CEE_LDIND_I);
7620 mono_mb_emit_calli (mb, csig);
7621 } else if (MONO_CLASS_IS_IMPORT (mb->method->klass)) {
7623 mono_mb_emit_cominterop_call (mb, csig, &piinfo->method);
7625 g_assert_not_reached ();
7629 /* Reuse the ICALL_ADDR opcode for pinvokes too */
7630 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
7631 mono_mb_emit_op (mb, CEE_MONO_ICALL_ADDR, &piinfo->method);
7632 mono_mb_emit_calli (mb, csig);
7634 mono_mb_emit_native_call (mb, csig, func);
7638 /* Set LastError if needed */
7639 if (piinfo->piflags & PINVOKE_ATTRIBUTE_SUPPORTS_LAST_ERROR) {
7642 static MonoMethodSignature *get_last_error_sig = NULL;
7643 if (!get_last_error_sig) {
7644 get_last_error_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
7645 get_last_error_sig->ret = &mono_defaults.int_class->byval_arg;
7646 get_last_error_sig->pinvoke = 1;
7650 * Have to call GetLastError () early and without a wrapper, since various runtime components could
7651 * clobber its value.
7653 mono_mb_emit_native_call (mb, get_last_error_sig, GetLastError);
7654 mono_mb_emit_icall (mb, mono_marshal_set_last_error_windows);
7656 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
7657 mono_mb_emit_byte (mb, CEE_MONO_GET_LAST_ERROR);
7658 mono_mb_emit_icall (mb, mono_marshal_set_last_error_windows);
7661 mono_mb_emit_icall (mb, mono_marshal_set_last_error);
7665 if (MONO_TYPE_ISSTRUCT (sig->ret)) {
7666 MonoClass *klass = mono_class_from_mono_type (sig->ret);
7667 mono_class_init (klass);
7668 if (!(mono_class_is_explicit_layout (klass) || klass->blittable)) {
7669 /* This is used by emit_marshal_vtype (), but it needs to go right before the call */
7670 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
7671 mono_mb_emit_byte (mb, CEE_MONO_VTADDR);
7672 mono_mb_emit_stloc (mb, m.vtaddr_var);
7676 /* Unblock before converting the result, since that can involve calls into the runtime */
7677 if (mono_threads_is_coop_enabled ()) {
7678 mono_mb_emit_ldloc (mb, coop_gc_var);
7679 mono_mb_emit_ldloc_addr (mb, coop_gc_stack_dummy);
7680 mono_mb_emit_icall (mb, mono_threads_exit_gc_safe_region_unbalanced);
7683 /* convert the result */
7684 if (!sig->ret->byref) {
7685 MonoMarshalSpec *spec = mspecs [0];
7686 type = sig->ret->type;
7688 if (spec && spec->native == MONO_NATIVE_CUSTOM) {
7689 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
7693 case MONO_TYPE_VOID:
7695 case MONO_TYPE_VALUETYPE:
7696 klass = sig->ret->data.klass;
7697 if (klass->enumtype) {
7698 type = mono_class_enum_basetype (sig->ret->data.klass)->type;
7701 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
7715 case MONO_TYPE_FNPTR:
7716 case MONO_TYPE_STRING:
7717 case MONO_TYPE_CLASS:
7718 case MONO_TYPE_OBJECT:
7719 case MONO_TYPE_BOOLEAN:
7720 case MONO_TYPE_ARRAY:
7721 case MONO_TYPE_SZARRAY:
7722 case MONO_TYPE_CHAR:
7724 case MONO_TYPE_GENERICINST:
7725 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
7727 case MONO_TYPE_TYPEDBYREF:
7729 g_warning ("return type 0x%02x unknown", sig->ret->type);
7730 g_assert_not_reached ();
7734 mono_mb_emit_stloc (mb, 3);
7738 * Need to call this after converting the result since MONO_VTADDR needs
7739 * to be adjacent to the call instruction.
7741 if (check_exceptions)
7742 emit_thread_interrupt_checkpoint (mb);
7744 /* we need to convert byref arguments back and free string arrays */
7745 for (i = 0; i < sig->param_count; i++) {
7746 MonoType *t = sig->params [i];
7747 MonoMarshalSpec *spec = mspecs [i + 1];
7749 argnum = i + param_shift;
7751 if (spec && ((spec->native == MONO_NATIVE_CUSTOM) || (spec->native == MONO_NATIVE_ASANY))) {
7752 emit_marshal (&m, argnum, t, spec, tmp_locals [i], NULL, MARSHAL_ACTION_CONV_OUT);
7757 case MONO_TYPE_STRING:
7758 case MONO_TYPE_VALUETYPE:
7759 case MONO_TYPE_CLASS:
7760 case MONO_TYPE_OBJECT:
7761 case MONO_TYPE_SZARRAY:
7762 case MONO_TYPE_BOOLEAN:
7763 emit_marshal (&m, argnum, t, spec, tmp_locals [i], NULL, MARSHAL_ACTION_CONV_OUT);
7770 if (!MONO_TYPE_IS_VOID(sig->ret))
7771 mono_mb_emit_ldloc (mb, 3);
7773 mono_mb_emit_byte (mb, CEE_RET);
7775 #endif /* DISABLE_JIT */
7778 * mono_marshal_get_native_wrapper:
7779 * @method: The MonoMethod to wrap.
7780 * @check_exceptions: Whenever to check for pending exceptions
7782 * generates IL code for the pinvoke wrapper (the generated method
7783 * calls the unmanaged code in piinfo->addr)
7786 mono_marshal_get_native_wrapper (MonoMethod *method, gboolean check_exceptions, gboolean aot)
7788 MonoMethodSignature *sig, *csig;
7789 MonoMethodPInvoke *piinfo = (MonoMethodPInvoke *) method;
7790 MonoMethodBuilder *mb;
7791 MonoMarshalSpec **mspecs;
7794 gboolean pinvoke = FALSE;
7797 const char *exc_class = "MissingMethodException";
7798 const char *exc_arg = NULL;
7801 g_assert (method != NULL);
7802 g_assert (mono_method_signature (method)->pinvoke);
7804 GHashTable **cache_ptr;
7807 if (check_exceptions)
7808 cache_ptr = &mono_method_get_wrapper_cache (method)->native_wrapper_aot_check_cache;
7810 cache_ptr = &mono_method_get_wrapper_cache (method)->native_wrapper_aot_cache;
7812 if (check_exceptions)
7813 cache_ptr = &mono_method_get_wrapper_cache (method)->native_wrapper_check_cache;
7815 cache_ptr = &mono_method_get_wrapper_cache (method)->native_wrapper_cache;
7818 cache = get_cache (cache_ptr, mono_aligned_addr_hash, NULL);
7820 if ((res = mono_marshal_find_in_cache (cache, method)))
7823 if (MONO_CLASS_IS_IMPORT (method->klass)) {
7824 /* The COM code is not AOT compatible, it calls mono_custom_attrs_get_attr_checked () */
7828 return mono_cominterop_get_native_wrapper (method);
7830 g_assert_not_reached ();
7834 sig = mono_method_signature (method);
7836 if (!(method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
7837 (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL))
7840 if (!piinfo->addr) {
7842 if (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)
7843 exc_arg = "Method contains unsupported native code";
7845 mono_lookup_pinvoke_call (method, &exc_class, &exc_arg);
7847 piinfo->addr = mono_lookup_internal_call (method);
7851 /* hack - redirect certain string constructors to CreateString */
7852 if (piinfo->addr == ves_icall_System_String_ctor_RedirectToCreateString) {
7853 g_assert (!pinvoke);
7854 g_assert (method->string_ctor);
7855 g_assert (sig->hasthis);
7857 /* CreateString returns a value */
7858 csig = mono_metadata_signature_dup_full (method->klass->image, sig);
7859 csig->ret = &mono_defaults.string_class->byval_arg;
7863 while ((res = mono_class_get_methods (mono_defaults.string_class, &iter))) {
7864 if (!strcmp ("CreateString", res->name) &&
7865 mono_metadata_signature_equal (csig, mono_method_signature (res))) {
7868 g_assert (!(res->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL));
7869 g_assert (!(res->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL));
7871 /* create a wrapper to preserve .ctor in stack trace */
7872 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_MANAGED_TO_MANAGED);
7875 mono_mb_emit_byte (mb, CEE_LDARG_0);
7876 for (i = 1; i <= csig->param_count; i++)
7877 mono_mb_emit_ldarg (mb, i);
7878 mono_mb_emit_managed_call (mb, res, NULL);
7879 mono_mb_emit_byte (mb, CEE_RET);
7882 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_STRING_CTOR);
7883 info->d.string_ctor.method = method;
7885 /* use native_wrapper_cache because internal calls are looked up there */
7886 res = mono_mb_create_and_cache_full (cache, method, mb, csig,
7887 csig->param_count + 1, info, NULL);
7894 /* exception will be thrown */
7895 piinfo->addr = NULL;
7896 g_warning ("cannot find CreateString for .ctor");
7899 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_MANAGED_TO_NATIVE);
7901 mb->method->save_lmf = 1;
7904 * In AOT mode and embedding scenarios, it is possible that the icall is not
7905 * registered in the runtime doing the AOT compilation.
7907 if (!piinfo->addr && !aot) {
7909 mono_mb_emit_exception (mb, exc_class, exc_arg);
7911 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NONE);
7912 info->d.managed_to_native.method = method;
7914 csig = mono_metadata_signature_dup_full (method->klass->image, sig);
7916 res = mono_mb_create_and_cache_full (cache, method, mb, csig,
7917 csig->param_count + 16, info, NULL);
7923 /* internal calls: we simply push all arguments and call the method (no conversions) */
7924 if (method->iflags & (METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL | METHOD_IMPL_ATTRIBUTE_RUNTIME)) {
7926 csig = mono_metadata_signature_dup_add_this (method->klass->image, sig, method->klass);
7928 csig = mono_metadata_signature_dup_full (method->klass->image, sig);
7930 //printf ("%s\n", mono_method_full_name (method, 1));
7932 /* hack - string constructors returns a value */
7933 if (method->string_ctor)
7934 csig->ret = &mono_defaults.string_class->byval_arg;
7938 MonoClass *handle_stack_mark_class;
7939 MonoClass *error_class;
7940 int thread_info_var = -1, stack_mark_var = -1, error_var = -1;
7941 MonoMethodSignature *call_sig = csig;
7942 gboolean uses_handles = FALSE;
7943 gboolean has_outarg_handles = FALSE;
7944 int *outarg_handle = NULL;
7945 (void) mono_lookup_internal_call_full (method, &uses_handles);
7948 /* If it uses handles and MonoError, it had better check exceptions */
7949 g_assert (!uses_handles || check_exceptions);
7952 MonoMethodSignature *ret;
7954 /* Add a MonoError argument */
7955 // FIXME: The stuff from mono_metadata_signature_dup_internal_with_padding ()
7956 ret = mono_metadata_signature_alloc (method->klass->image, csig->param_count + 1);
7958 ret->param_count = csig->param_count + 1;
7959 ret->ret = csig->ret;
7960 for (int i = 0; i < csig->param_count; ++i) {
7961 if (MONO_TYPE_IS_REFERENCE (csig->params[i])) {
7962 ret->params [i] = mono_class_get_byref_type (mono_class_from_mono_type(csig->params[i]));
7963 if (mono_signature_param_is_out (csig, i)) {
7964 has_outarg_handles = TRUE;
7967 ret->params [i] = csig->params [i];
7969 ret->params [csig->param_count] = &mono_get_intptr_class ()->byval_arg;
7974 handle_stack_mark_class = mono_class_load_from_name (mono_get_corlib (), "Mono", "RuntimeStructs/HandleStackMark");
7975 error_class = mono_class_load_from_name (mono_get_corlib (), "Mono", "RuntimeStructs/MonoError");
7977 thread_info_var = mono_mb_add_local (mb, &mono_get_intptr_class ()->byval_arg);
7978 stack_mark_var = mono_mb_add_local (mb, &handle_stack_mark_class->byval_arg);
7979 error_var = mono_mb_add_local (mb, &error_class->byval_arg);
7981 if (has_outarg_handles) {
7982 outarg_handle = g_new0 (int, sig->param_count);
7984 /* add a local var to hold the handles for each out arg */
7985 for (int i = 0; i < sig->param_count; ++i) {
7986 if (mono_signature_param_is_out (sig, i) && MONO_TYPE_IS_REFERENCE (sig->params[i])) {
7987 outarg_handle[i] = mono_mb_add_local (mb, sig->params[i]);
7988 } else if (outarg_handle != NULL)
7989 outarg_handle[i] = -1;
7998 * Add a null check since public icalls can be called with 'call' which
7999 * does no such check.
8001 mono_mb_emit_byte (mb, CEE_LDARG_0);
8002 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
8003 mono_mb_emit_exception (mb, "NullReferenceException", NULL);
8004 mono_mb_patch_branch (mb, pos);
8008 mono_mb_emit_ldloc_addr (mb, stack_mark_var);
8009 mono_mb_emit_ldloc_addr (mb, error_var);
8010 mono_mb_emit_icall (mb, mono_icall_start);
8011 mono_mb_emit_stloc (mb, thread_info_var);
8014 mono_mb_emit_byte (mb, CEE_LDARG_0);
8015 mono_mb_emit_icall (mb, mono_handle_new);
8017 for (i = 0; i < sig->param_count; i++) {
8018 /* load each argument. object reference arguments get wrapped in handles */
8020 if (!MONO_TYPE_IS_REFERENCE (sig->params [i])) {
8021 mono_mb_emit_ldarg (mb, i + sig->hasthis);
8023 if (outarg_handle && outarg_handle[i] != -1) {
8024 /* handleI = argI = mono_handle_new (NULL) */
8025 mono_mb_emit_byte (mb, CEE_LDNULL);
8026 mono_mb_emit_icall (mb, mono_handle_new);
8028 mono_mb_emit_byte (mb, CEE_DUP);
8030 mono_mb_emit_stloc (mb, outarg_handle[i]);
8032 /* argI = mono_handle_new (argI_raw) */
8033 mono_mb_emit_ldarg (mb, i + sig->hasthis);
8034 mono_mb_emit_icall (mb, mono_handle_new);
8038 mono_mb_emit_ldloc_addr (mb, error_var);
8041 mono_mb_emit_byte (mb, CEE_LDARG_0);
8042 for (i = 0; i < sig->param_count; i++)
8043 mono_mb_emit_ldarg (mb, i + sig->hasthis);
8047 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
8048 mono_mb_emit_op (mb, CEE_MONO_ICALL_ADDR, &piinfo->method);
8049 mono_mb_emit_calli (mb, call_sig);
8051 g_assert (piinfo->addr);
8052 mono_mb_emit_native_call (mb, call_sig, piinfo->addr);
8056 if (MONO_TYPE_IS_REFERENCE (sig->ret)) {
8057 // if (ret != NULL_HANDLE) {
8058 // ret = MONO_HANDLE_RAW(ret)
8060 mono_mb_emit_byte (mb, CEE_DUP);
8061 int pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
8062 mono_mb_emit_ldflda (mb, MONO_HANDLE_PAYLOAD_OFFSET (MonoObject));
8063 mono_mb_emit_byte (mb, CEE_LDIND_REF);
8064 mono_mb_patch_branch (mb, pos);
8066 if (outarg_handle != NULL) {
8067 for (i = 0; i < sig->param_count; i++) {
8068 if (outarg_handle[i] != -1) {
8069 /* *argI_raw = MONO_HANDLE_RAW (handleI) */
8072 mono_mb_emit_ldarg (mb, i + sig->hasthis);
8074 mono_mb_emit_ldloc (mb, outarg_handle[i]);
8075 /* MONO_HANDLE_RAW(handleI) */
8076 mono_mb_emit_ldflda (mb, MONO_HANDLE_PAYLOAD_OFFSET (MonoObject));
8077 mono_mb_emit_byte (mb, CEE_LDIND_REF);
8078 /* *argI_raw = MONO_HANDLE_RAW(handleI) */
8079 mono_mb_emit_byte (mb, CEE_STIND_REF);
8082 g_free (outarg_handle);
8083 outarg_handle = NULL;
8085 mono_mb_emit_ldloc (mb, thread_info_var);
8086 mono_mb_emit_ldloc_addr (mb, stack_mark_var);
8087 mono_mb_emit_ldloc_addr (mb, error_var);
8088 mono_mb_emit_icall (mb, mono_icall_end);
8091 if (check_exceptions)
8092 emit_thread_interrupt_checkpoint (mb);
8093 mono_mb_emit_byte (mb, CEE_RET);
8095 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NONE);
8096 info->d.managed_to_native.method = method;
8098 csig = mono_metadata_signature_dup_full (method->klass->image, csig);
8100 res = mono_mb_create_and_cache_full (cache, method, mb, csig, csig->param_count + 16,
8109 g_assert (piinfo->addr);
8112 mspecs = g_new (MonoMarshalSpec*, sig->param_count + 1);
8113 mono_method_get_marshal_info (method, mspecs);
8115 mono_marshal_emit_native_wrapper (mb->method->klass->image, mb, sig, piinfo, mspecs, piinfo->addr, aot, check_exceptions, FALSE);
8117 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_PINVOKE);
8118 info->d.managed_to_native.method = method;
8120 csig = mono_metadata_signature_dup_full (method->klass->image, sig);
8122 res = mono_mb_create_and_cache_full (cache, method, mb, csig, csig->param_count + 16,
8127 for (i = sig->param_count; i >= 0; i--)
8129 mono_metadata_free_marshal_spec (mspecs [i]);
8133 /* mono_method_print_code (res); */
8139 * mono_marshal_get_native_func_wrapper:
8140 * @image: The image to use for memory allocation and for looking up custom marshallers.
8141 * @sig: The signature of the function
8142 * @func: The native function to wrap
8144 * Returns a wrapper method around native functions, similar to the pinvoke
8148 mono_marshal_get_native_func_wrapper (MonoImage *image, MonoMethodSignature *sig,
8149 MonoMethodPInvoke *piinfo, MonoMarshalSpec **mspecs, gpointer func)
8151 MonoMethodSignature *csig;
8153 SignaturePointerPair key, *new_key;
8154 MonoMethodBuilder *mb;
8163 // Generic types are not safe to place in MonoImage caches.
8164 g_assert (!sig->is_inflated);
8166 cache = get_cache (&image->native_func_wrapper_cache, signature_pointer_pair_hash, signature_pointer_pair_equal);
8167 if ((res = mono_marshal_find_in_cache (cache, &key)))
8170 name = g_strdup_printf ("wrapper_native_%p", func);
8171 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_MANAGED_TO_NATIVE);
8172 mb->method->save_lmf = 1;
8175 mono_marshal_emit_native_wrapper (image, mb, sig, piinfo, mspecs, func, FALSE, TRUE, FALSE);
8178 csig = mono_metadata_signature_dup_full (image, sig);
8181 new_key = g_new (SignaturePointerPair,1);
8182 new_key->sig = csig;
8183 new_key->pointer = func;
8185 res = mono_mb_create_and_cache_full (cache, new_key, mb, csig, csig->param_count + 16, NULL, &found);
8191 mono_marshal_set_wrapper_info (res, NULL);
8197 * The wrapper receives the native function as a boxed IntPtr as its 'this' argument. This is easier to support in
8201 mono_marshal_get_native_func_wrapper_aot (MonoClass *klass)
8203 MonoMethodSignature *sig, *csig;
8204 MonoMethodBuilder *mb;
8209 MonoMethodPInvoke mpiinfo;
8210 MonoMethodPInvoke *piinfo = &mpiinfo;
8211 MonoMarshalSpec **mspecs;
8212 MonoMethod *invoke = mono_get_delegate_invoke (klass);
8213 MonoImage *image = invoke->klass->image;
8216 // FIXME: include UnmanagedFunctionPointerAttribute info
8219 * The wrapper is associated with the delegate type, to pick up the marshalling info etc.
8221 cache = get_cache (&mono_method_get_wrapper_cache (invoke)->native_func_wrapper_aot_cache, mono_aligned_addr_hash, NULL);
8223 if ((res = mono_marshal_find_in_cache (cache, invoke)))
8226 memset (&mpiinfo, 0, sizeof (mpiinfo));
8227 parse_unmanaged_function_pointer_attr (klass, &mpiinfo);
8229 mspecs = g_new0 (MonoMarshalSpec*, mono_method_signature (invoke)->param_count + 1);
8230 mono_method_get_marshal_info (invoke, mspecs);
8231 /* Freed below so don't alloc from mempool */
8232 sig = mono_metadata_signature_dup (mono_method_signature (invoke));
8235 name = g_strdup_printf ("wrapper_aot_native");
8236 mb = mono_mb_new (invoke->klass, name, MONO_WRAPPER_MANAGED_TO_NATIVE);
8237 mb->method->save_lmf = 1;
8240 mono_marshal_emit_native_wrapper (image, mb, sig, piinfo, mspecs, NULL, FALSE, TRUE, TRUE);
8243 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NATIVE_FUNC_AOT);
8244 info->d.managed_to_native.method = invoke;
8246 g_assert (!sig->hasthis);
8247 csig = mono_metadata_signature_dup_add_this (image, sig, mono_defaults.object_class);
8249 res = mono_mb_create_and_cache_full (cache, invoke,
8250 mb, csig, csig->param_count + 16,
8254 for (i = mono_method_signature (invoke)->param_count; i >= 0; i--)
8256 mono_metadata_free_marshal_spec (mspecs [i]);
8264 * mono_marshal_emit_managed_wrapper:
8266 * Emit the body of a native-to-managed wrapper. INVOKE_SIG is the signature of
8267 * the delegate which wraps the managed method to be called. For closed delegates,
8268 * it could have fewer parameters than the method it wraps.
8269 * THIS_LOC is the memory location where the target of the delegate is stored.
8272 mono_marshal_emit_managed_wrapper (MonoMethodBuilder *mb, MonoMethodSignature *invoke_sig, MonoMarshalSpec **mspecs, EmitMarshalContext* m, MonoMethod *method, uint32_t target_handle)
8275 MonoMethodSignature *sig, *csig;
8281 /* we first do all conversions */
8282 for (i = 0; i < sig->param_count; i ++) {
8283 MonoType *t = sig->params [i];
8286 case MONO_TYPE_OBJECT:
8287 case MONO_TYPE_CLASS:
8288 case MONO_TYPE_VALUETYPE:
8289 case MONO_TYPE_ARRAY:
8290 case MONO_TYPE_SZARRAY:
8291 case MONO_TYPE_STRING:
8292 case MONO_TYPE_BOOLEAN:
8293 emit_marshal (m, i, sig->params [i], mspecs [i + 1], 0, &csig->params [i], MARSHAL_ACTION_MANAGED_CONV_IN);
8297 if (!sig->ret->byref) {
8298 switch (sig->ret->type) {
8299 case MONO_TYPE_STRING:
8300 csig->ret = &mono_defaults.int_class->byval_arg;
8307 MonoMethodSignature *sig, *csig;
8308 MonoExceptionClause *clauses, *clause_finally, *clause_catch;
8309 int i, *tmp_locals, ex_local, e_local, attach_cookie_local, attach_dummy_local;
8310 int leave_try_pos, leave_catch_pos, ex_m1_pos;
8311 gboolean closed = FALSE;
8316 /* allocate local 0 (pointer) src_ptr */
8317 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8318 /* allocate local 1 (pointer) dst_ptr */
8319 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8320 /* allocate local 2 (boolean) delete_old */
8321 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
8323 if (!sig->hasthis && sig->param_count != invoke_sig->param_count) {
8324 /* Closed delegate */
8325 g_assert (sig->param_count == invoke_sig->param_count + 1);
8327 /* Use a new signature without the first argument */
8328 sig = mono_metadata_signature_dup (sig);
8329 memmove (&sig->params [0], &sig->params [1], (sig->param_count - 1) * sizeof (MonoType*));
8330 sig->param_count --;
8333 if (!MONO_TYPE_IS_VOID(sig->ret)) {
8334 /* allocate local 3 to store the return value */
8335 mono_mb_add_local (mb, sig->ret);
8338 if (MONO_TYPE_ISSTRUCT (sig->ret))
8339 m->vtaddr_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8341 ex_local = mono_mb_add_local (mb, &mono_defaults.uint32_class->byval_arg);
8342 e_local = mono_mb_add_local (mb, &mono_defaults.exception_class->byval_arg);
8344 attach_cookie_local = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8345 attach_dummy_local = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8350 * // does (STARTING|RUNNING|BLOCKING) -> RUNNING + set/switch domain
8351 * mono_threads_attach_coop ();
8355 * ret = method (...);
8356 * } catch (Exception e) {
8357 * ex = mono_gchandle_new (e, false);
8359 * // does RUNNING -> (RUNNING|BLOCKING) + unset/switch domain
8360 * mono_threads_detach_coop ();
8363 * mono_marshal_ftnptr_eh_callback (ex);
8369 clauses = g_new0 (MonoExceptionClause, 2);
8371 clause_catch = &clauses [0];
8372 clause_catch->flags = MONO_EXCEPTION_CLAUSE_NONE;
8373 clause_catch->data.catch_class = mono_defaults.exception_class;
8375 clause_finally = &clauses [1];
8376 clause_finally->flags = MONO_EXCEPTION_CLAUSE_FINALLY;
8378 mono_mb_emit_icon (mb, 0);
8379 mono_mb_emit_stloc (mb, 2);
8381 mono_mb_emit_icon (mb, -1);
8382 mono_mb_emit_byte (mb, CEE_CONV_U4);
8383 mono_mb_emit_stloc (mb, ex_local);
8386 clause_catch->try_offset = clause_finally->try_offset = mono_mb_get_label (mb);
8388 if (!mono_threads_is_coop_enabled ()) {
8389 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
8390 mono_mb_emit_byte (mb, CEE_MONO_JIT_ATTACH);
8392 /* mono_threads_attach_coop (); */
8393 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
8394 mono_mb_emit_byte (mb, CEE_MONO_LDDOMAIN);
8395 mono_mb_emit_ldloc_addr (mb, attach_dummy_local);
8396 mono_mb_emit_icall (mb, mono_threads_attach_coop);
8397 mono_mb_emit_stloc (mb, attach_cookie_local);
8400 /* <interrupt check> */
8401 emit_thread_interrupt_checkpoint (mb);
8403 /* we first do all conversions */
8404 tmp_locals = (int *)alloca (sizeof (int) * sig->param_count);
8405 for (i = 0; i < sig->param_count; i ++) {
8406 MonoType *t = sig->params [i];
8409 case MONO_TYPE_OBJECT:
8410 case MONO_TYPE_CLASS:
8411 case MONO_TYPE_VALUETYPE:
8412 case MONO_TYPE_ARRAY:
8413 case MONO_TYPE_SZARRAY:
8414 case MONO_TYPE_STRING:
8415 case MONO_TYPE_BOOLEAN:
8416 tmp_locals [i] = emit_marshal (m, i, sig->params [i], mspecs [i + 1], 0, &csig->params [i], MARSHAL_ACTION_MANAGED_CONV_IN);
8426 if (target_handle) {
8427 mono_mb_emit_icon (mb, (gint32)target_handle);
8428 mono_mb_emit_icall (mb, mono_gchandle_get_target);
8431 g_assert_not_reached ();
8433 } else if (closed) {
8434 mono_mb_emit_icon (mb, (gint32)target_handle);
8435 mono_mb_emit_icall (mb, mono_gchandle_get_target);
8438 for (i = 0; i < sig->param_count; i++) {
8439 MonoType *t = sig->params [i];
8441 if (tmp_locals [i]) {
8443 mono_mb_emit_ldloc_addr (mb, tmp_locals [i]);
8445 mono_mb_emit_ldloc (mb, tmp_locals [i]);
8448 mono_mb_emit_ldarg (mb, i);
8451 /* ret = method (...) */
8452 mono_mb_emit_managed_call (mb, method, NULL);
8454 if (MONO_TYPE_ISSTRUCT (sig->ret)) {
8455 MonoClass *klass = mono_class_from_mono_type (sig->ret);
8456 mono_class_init (klass);
8457 if (!(mono_class_is_explicit_layout (klass) || klass->blittable)) {
8458 /* This is used by emit_marshal_vtype (), but it needs to go right before the call */
8459 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
8460 mono_mb_emit_byte (mb, CEE_MONO_VTADDR);
8461 mono_mb_emit_stloc (mb, m->vtaddr_var);
8465 if (mspecs [0] && mspecs [0]->native == MONO_NATIVE_CUSTOM) {
8466 emit_marshal (m, 0, sig->ret, mspecs [0], 0, NULL, MARSHAL_ACTION_MANAGED_CONV_RESULT);
8467 } else if (!sig->ret->byref) {
8468 switch (sig->ret->type) {
8469 case MONO_TYPE_VOID:
8471 case MONO_TYPE_BOOLEAN:
8474 case MONO_TYPE_CHAR:
8486 case MONO_TYPE_OBJECT:
8487 mono_mb_emit_stloc (mb, 3);
8489 case MONO_TYPE_STRING:
8490 csig->ret = &mono_defaults.int_class->byval_arg;
8491 emit_marshal (m, 0, sig->ret, mspecs [0], 0, NULL, MARSHAL_ACTION_MANAGED_CONV_RESULT);
8493 case MONO_TYPE_VALUETYPE:
8494 case MONO_TYPE_CLASS:
8495 case MONO_TYPE_SZARRAY:
8496 emit_marshal (m, 0, sig->ret, mspecs [0], 0, NULL, MARSHAL_ACTION_MANAGED_CONV_RESULT);
8499 g_warning ("return type 0x%02x unknown", sig->ret->type);
8500 g_assert_not_reached ();
8503 mono_mb_emit_stloc (mb, 3);
8506 /* Convert byref arguments back */
8507 for (i = 0; i < sig->param_count; i ++) {
8508 MonoType *t = sig->params [i];
8509 MonoMarshalSpec *spec = mspecs [i + 1];
8511 if (spec && spec->native == MONO_NATIVE_CUSTOM) {
8512 emit_marshal (m, i, t, mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_MANAGED_CONV_OUT);
8514 else if (t->byref) {
8516 case MONO_TYPE_CLASS:
8517 case MONO_TYPE_VALUETYPE:
8518 case MONO_TYPE_OBJECT:
8519 case MONO_TYPE_STRING:
8520 case MONO_TYPE_BOOLEAN:
8521 emit_marshal (m, i, t, mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_MANAGED_CONV_OUT);
8527 else if (invoke_sig->params [i]->attrs & PARAM_ATTRIBUTE_OUT) {
8528 /* The [Out] information is encoded in the delegate signature */
8530 case MONO_TYPE_SZARRAY:
8531 case MONO_TYPE_CLASS:
8532 case MONO_TYPE_VALUETYPE:
8533 emit_marshal (m, i, invoke_sig->params [i], mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_MANAGED_CONV_OUT);
8536 g_assert_not_reached ();
8541 leave_try_pos = mono_mb_emit_branch (mb, CEE_LEAVE);
8545 /* catch (Exception e) { */
8546 clause_catch->try_len = mono_mb_get_label (mb) - clause_catch->try_offset;
8547 clause_catch->handler_offset = mono_mb_get_label (mb);
8549 mono_mb_emit_stloc (mb, e_local);
8551 /* ex = mono_gchandle_new (e, false); */
8552 mono_mb_emit_ldloc (mb, e_local);
8553 mono_mb_emit_icon (mb, 0);
8554 mono_mb_emit_icall (mb, mono_gchandle_new);
8555 mono_mb_emit_stloc (mb, ex_local);
8557 leave_catch_pos = mono_mb_emit_branch (mb, CEE_LEAVE);
8560 clause_catch->handler_len = mono_mb_get_pos (mb) - clause_catch->handler_offset;
8563 clause_finally->try_len = mono_mb_get_label (mb) - clause_finally->try_offset;
8564 clause_finally->handler_offset = mono_mb_get_label (mb);
8566 if (!mono_threads_is_coop_enabled ()) {
8567 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
8568 mono_mb_emit_byte (mb, CEE_MONO_JIT_DETACH);
8570 /* mono_threads_detach_coop (); */
8571 mono_mb_emit_ldloc (mb, attach_cookie_local);
8572 mono_mb_emit_ldloc_addr (mb, attach_dummy_local);
8573 mono_mb_emit_icall (mb, mono_threads_detach_coop);
8577 mono_mb_emit_ldloc (mb, ex_local);
8578 mono_mb_emit_icon (mb, -1);
8579 mono_mb_emit_byte (mb, CEE_CONV_U4);
8580 ex_m1_pos = mono_mb_emit_branch (mb, CEE_BEQ);
8582 /* mono_marshal_ftnptr_eh_callback (ex) */
8583 mono_mb_emit_ldloc (mb, ex_local);
8584 mono_mb_emit_icall (mb, mono_marshal_ftnptr_eh_callback);
8587 mono_mb_patch_branch (mb, ex_m1_pos);
8589 mono_mb_emit_byte (mb, CEE_ENDFINALLY);
8591 /* } [endfinally] */
8592 clause_finally->handler_len = mono_mb_get_pos (mb) - clause_finally->handler_offset;
8594 mono_mb_patch_branch (mb, leave_try_pos);
8595 mono_mb_patch_branch (mb, leave_catch_pos);
8598 if (m->retobj_var) {
8599 mono_mb_emit_ldloc (mb, m->retobj_var);
8600 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
8601 mono_mb_emit_op (mb, CEE_MONO_RETOBJ, m->retobj_class);
8604 if (!MONO_TYPE_IS_VOID(sig->ret))
8605 mono_mb_emit_ldloc (mb, 3);
8606 mono_mb_emit_byte (mb, CEE_RET);
8609 mono_mb_set_clauses (mb, 2, clauses);
8617 mono_marshal_set_callconv_from_modopt (MonoMethod *method, MonoMethodSignature *csig)
8619 MonoMethodSignature *sig;
8624 * Under windows, delegates passed to native code must use the STDCALL
8625 * calling convention.
8627 csig->call_convention = MONO_CALL_STDCALL;
8630 sig = mono_method_signature (method);
8632 /* Change default calling convention if needed */
8633 /* Why is this a modopt ? */
8634 if (sig->ret && sig->ret->num_mods) {
8635 for (i = 0; i < sig->ret->num_mods; ++i) {
8637 MonoClass *cmod_class = mono_class_get_checked (method->klass->image, sig->ret->modifiers [i].token, &error);
8638 g_assert (mono_error_ok (&error));
8639 if ((cmod_class->image == mono_defaults.corlib) && !strcmp (cmod_class->name_space, "System.Runtime.CompilerServices")) {
8640 if (!strcmp (cmod_class->name, "CallConvCdecl"))
8641 csig->call_convention = MONO_CALL_C;
8642 else if (!strcmp (cmod_class->name, "CallConvStdcall"))
8643 csig->call_convention = MONO_CALL_STDCALL;
8644 else if (!strcmp (cmod_class->name, "CallConvFastcall"))
8645 csig->call_convention = MONO_CALL_FASTCALL;
8646 else if (!strcmp (cmod_class->name, "CallConvThiscall"))
8647 csig->call_convention = MONO_CALL_THISCALL;
8654 * generates IL code to call managed methods from unmanaged code
8655 * If target_handle==0, the wrapper info will be a WrapperInfo structure.
8658 mono_marshal_get_managed_wrapper (MonoMethod *method, MonoClass *delegate_klass, uint32_t target_handle)
8661 MonoMethodSignature *sig, *csig, *invoke_sig;
8662 MonoMethodBuilder *mb;
8663 MonoMethod *res, *invoke;
8664 MonoMarshalSpec **mspecs;
8665 MonoMethodPInvoke piinfo;
8668 EmitMarshalContext m;
8670 g_assert (method != NULL);
8671 g_assert (!(method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL));
8674 * FIXME: Should cache the method+delegate type pair, since the same method
8675 * could be called with different delegates, thus different marshalling
8678 cache = get_cache (&mono_method_get_wrapper_cache (method)->managed_wrapper_cache, mono_aligned_addr_hash, NULL);
8680 if (!target_handle && (res = mono_marshal_find_in_cache (cache, method)))
8683 invoke = mono_get_delegate_invoke (delegate_klass);
8684 invoke_sig = mono_method_signature (invoke);
8686 mspecs = g_new0 (MonoMarshalSpec*, mono_method_signature (invoke)->param_count + 1);
8687 mono_method_get_marshal_info (invoke, mspecs);
8689 sig = mono_method_signature (method);
8691 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_NATIVE_TO_MANAGED);
8693 /*the target gchandle must be the first entry after size and the wrapper itself.*/
8694 mono_mb_add_data (mb, GUINT_TO_POINTER (target_handle));
8696 /* we copy the signature, so that we can modify it */
8698 /* Need to free this later */
8699 csig = mono_metadata_signature_dup (invoke_sig);
8701 csig = mono_metadata_signature_dup_full (method->klass->image, invoke_sig);
8705 memset (&m, 0, sizeof (m));
8711 m.image = method->klass->image;
8713 mono_marshal_set_callconv_from_modopt (invoke, csig);
8715 /* The attribute is only available in Net 2.0 */
8716 if (mono_class_try_get_unmanaged_function_pointer_attribute_class ()) {
8717 MonoCustomAttrInfo *cinfo;
8718 MonoCustomAttrEntry *attr;
8721 * The pinvoke attributes are stored in a real custom attribute. Obtain the
8722 * contents of the attribute without constructing it, as that might not be
8723 * possible when running in cross-compiling mode.
8725 cinfo = mono_custom_attrs_from_class_checked (delegate_klass, &error);
8726 mono_error_assert_ok (&error);
8729 for (i = 0; i < cinfo->num_attrs; ++i) {
8730 MonoClass *ctor_class = cinfo->attrs [i].ctor->klass;
8731 if (mono_class_has_parent (ctor_class, mono_class_try_get_unmanaged_function_pointer_attribute_class ())) {
8732 attr = &cinfo->attrs [i];
8738 MonoArray *typed_args, *named_args;
8739 CattrNamedArg *arginfo;
8743 MonoBoolean set_last_error = 0;
8746 mono_reflection_create_custom_attr_data_args (mono_defaults.corlib, attr->ctor, attr->data, attr->data_size, &typed_args, &named_args, &arginfo, &error);
8747 g_assert (mono_error_ok (&error));
8748 g_assert (mono_array_length (typed_args) == 1);
8751 o = mono_array_get (typed_args, MonoObject*, 0);
8752 call_conv = *(gint32*)mono_object_unbox (o);
8755 for (i = 0; i < mono_array_length (named_args); ++i) {
8756 CattrNamedArg *narg = &arginfo [i];
8758 o = mono_array_get (named_args, MonoObject*, i);
8760 g_assert (narg->field);
8761 if (!strcmp (narg->field->name, "CharSet")) {
8762 charset = *(gint32*)mono_object_unbox (o);
8763 } else if (!strcmp (narg->field->name, "SetLastError")) {
8764 set_last_error = *(MonoBoolean*)mono_object_unbox (o);
8765 } else if (!strcmp (narg->field->name, "BestFitMapping")) {
8766 // best_fit_mapping = *(MonoBoolean*)mono_object_unbox (o);
8767 } else if (!strcmp (narg->field->name, "ThrowOnUnmappableChar")) {
8768 // throw_on_unmappable = *(MonoBoolean*)mono_object_unbox (o);
8770 g_assert_not_reached ();
8776 memset (&piinfo, 0, sizeof (piinfo));
8778 piinfo.piflags = (call_conv << 8) | (charset ? (charset - 1) * 2 : 1) | set_last_error;
8780 csig->call_convention = call_conv - 1;
8783 if (cinfo && !cinfo->cached)
8784 mono_custom_attrs_free (cinfo);
8787 mono_marshal_emit_managed_wrapper (mb, invoke_sig, mspecs, &m, method, target_handle);
8789 if (!target_handle) {
8792 // FIXME: Associate it with the method+delegate_klass pair
8793 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NONE);
8794 info->d.native_to_managed.method = method;
8795 info->d.native_to_managed.klass = delegate_klass;
8797 res = mono_mb_create_and_cache_full (cache, method,
8798 mb, csig, sig->param_count + 16,
8804 res = mono_mb_create (mb, csig, sig->param_count + 16, NULL);
8808 for (i = mono_method_signature (invoke)->param_count; i >= 0; i--)
8810 mono_metadata_free_marshal_spec (mspecs [i]);
8813 /* mono_method_print_code (res); */
8819 mono_marshal_get_vtfixup_ftnptr (MonoImage *image, guint32 token, guint16 type)
8823 MonoMethodSignature *sig;
8824 MonoMethodBuilder *mb;
8829 method = mono_get_method_checked (image, token, NULL, NULL, &error);
8831 g_error ("Could not load vtfixup token 0x%x due to %s", token, mono_error_get_message (&error));
8834 if (type & (VTFIXUP_TYPE_FROM_UNMANAGED | VTFIXUP_TYPE_FROM_UNMANAGED_RETAIN_APPDOMAIN)) {
8835 MonoMethodSignature *csig;
8836 MonoMarshalSpec **mspecs;
8837 EmitMarshalContext m;
8839 sig = mono_method_signature (method);
8840 g_assert (!sig->hasthis);
8842 mspecs = g_new0 (MonoMarshalSpec*, sig->param_count + 1);
8843 mono_method_get_marshal_info (method, mspecs);
8845 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_NATIVE_TO_MANAGED);
8846 csig = mono_metadata_signature_dup_full (image, sig);
8850 memset (&m, 0, sizeof (m));
8858 mono_marshal_set_callconv_from_modopt (method, csig);
8860 /* FIXME: Implement VTFIXUP_TYPE_FROM_UNMANAGED_RETAIN_APPDOMAIN. */
8862 mono_marshal_emit_managed_wrapper (mb, sig, mspecs, &m, method, 0);
8867 method = mono_mb_create (mb, csig, sig->param_count + 16, NULL);
8870 for (i = sig->param_count; i >= 0; i--)
8872 mono_metadata_free_marshal_spec (mspecs [i]);
8875 gpointer compiled_ptr = mono_compile_method_checked (method, &error);
8876 mono_error_assert_ok (&error);
8877 return compiled_ptr;
8880 sig = mono_method_signature (method);
8881 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_MANAGED_TO_MANAGED);
8883 param_count = sig->param_count + sig->hasthis;
8885 for (i = 0; i < param_count; i++)
8886 mono_mb_emit_ldarg (mb, i);
8888 if (type & VTFIXUP_TYPE_CALL_MOST_DERIVED)
8889 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
8891 mono_mb_emit_op (mb, CEE_CALL, method);
8892 mono_mb_emit_byte (mb, CEE_RET);
8897 method = mono_mb_create (mb, sig, param_count, NULL);
8900 gpointer compiled_ptr = mono_compile_method_checked (method, &error);
8901 mono_error_assert_ok (&error);
8902 return compiled_ptr;
8908 * The code directly following this is the cache hit, value positive branch
8910 * This function takes a new method builder with 0 locals and adds two locals
8911 * to create multiple out-branches and the fall through state of having the object
8912 * on the stack after a cache miss
8915 generate_check_cache (int obj_arg_position, int class_arg_position, int cache_arg_position, // In-parameters
8916 int *null_obj, int *cache_hit_neg, int *cache_hit_pos, // Out-parameters
8917 MonoMethodBuilder *mb)
8921 /* allocate local 0 (pointer) obj_vtable */
8922 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8923 /* allocate local 1 (pointer) cached_vtable */
8924 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8927 mono_mb_emit_ldarg (mb, obj_arg_position);
8928 *null_obj = mono_mb_emit_branch (mb, CEE_BRFALSE);
8930 /*obj_vtable = obj->vtable;*/
8931 mono_mb_emit_ldarg (mb, obj_arg_position);
8932 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoObject, vtable));
8933 mono_mb_emit_byte (mb, CEE_LDIND_I);
8934 mono_mb_emit_stloc (mb, 0);
8936 /* cached_vtable = *cache*/
8937 mono_mb_emit_ldarg (mb, cache_arg_position);
8938 mono_mb_emit_byte (mb, CEE_LDIND_I);
8939 mono_mb_emit_stloc (mb, 1);
8941 mono_mb_emit_ldloc (mb, 1);
8942 mono_mb_emit_byte (mb, CEE_LDC_I4);
8943 mono_mb_emit_i4 (mb, ~0x1);
8944 mono_mb_emit_byte (mb, CEE_CONV_I);
8945 mono_mb_emit_byte (mb, CEE_AND);
8946 mono_mb_emit_ldloc (mb, 0);
8947 /*if ((cached_vtable & ~0x1)== obj_vtable)*/
8948 cache_miss_pos = mono_mb_emit_branch (mb, CEE_BNE_UN);
8950 /*return (cached_vtable & 0x1) ? NULL : obj;*/
8951 mono_mb_emit_ldloc (mb, 1);
8952 mono_mb_emit_byte(mb, CEE_LDC_I4_1);
8953 mono_mb_emit_byte (mb, CEE_CONV_U);
8954 mono_mb_emit_byte (mb, CEE_AND);
8955 *cache_hit_neg = mono_mb_emit_branch (mb, CEE_BRTRUE);
8956 *cache_hit_pos = mono_mb_emit_branch (mb, CEE_BR);
8959 mono_mb_patch_branch (mb, cache_miss_pos);
8962 mono_mb_emit_ldarg (mb, obj_arg_position);
8963 mono_mb_emit_ldarg (mb, class_arg_position);
8964 mono_mb_emit_ldarg (mb, cache_arg_position);
8965 mono_mb_emit_icall (mb, mono_marshal_isinst_with_cache);
8968 #endif /* DISABLE_JIT */
8971 * This does the equivalent of mono_object_castclass_with_cache.
8974 mono_marshal_get_castclass_with_cache (void)
8976 static MonoMethod *cached;
8978 MonoMethodBuilder *mb;
8979 MonoMethodSignature *sig;
8980 int return_null_pos, positive_cache_hit_pos, negative_cache_hit_pos, invalid_cast_pos;
8983 const int obj_arg_position = 0;
8984 const int class_arg_position = 1;
8985 const int cache_arg_position = 2;
8990 mb = mono_mb_new (mono_defaults.object_class, "__castclass_with_cache", MONO_WRAPPER_CASTCLASS);
8991 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
8992 sig->params [obj_arg_position] = &mono_defaults.object_class->byval_arg;
8993 sig->params [class_arg_position] = &mono_defaults.int_class->byval_arg;
8994 sig->params [cache_arg_position] = &mono_defaults.int_class->byval_arg;
8995 sig->ret = &mono_defaults.object_class->byval_arg;
8999 generate_check_cache (obj_arg_position, class_arg_position, cache_arg_position,
9000 &return_null_pos, &negative_cache_hit_pos, &positive_cache_hit_pos, mb);
9001 invalid_cast_pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
9004 mono_mb_patch_branch (mb, positive_cache_hit_pos);
9005 mono_mb_emit_ldarg (mb, obj_arg_position);
9006 mono_mb_emit_byte (mb, CEE_RET);
9009 mono_mb_patch_branch (mb, negative_cache_hit_pos);
9010 mono_mb_patch_branch (mb, invalid_cast_pos);
9011 mono_mb_emit_exception (mb, "InvalidCastException", NULL);
9014 mono_mb_patch_branch (mb, return_null_pos);
9015 mono_mb_emit_byte (mb, CEE_LDNULL);
9016 mono_mb_emit_byte (mb, CEE_RET);
9017 #endif /* DISABLE_JIT */
9019 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_CASTCLASS_WITH_CACHE);
9020 res = mono_mb_create (mb, sig, 8, info);
9023 if (InterlockedCompareExchangePointer ((volatile gpointer *)&cached, res, NULL)) {
9024 mono_free_method (res);
9025 mono_metadata_free_method_signature (sig);
9032 /* this is an icall */
9034 mono_marshal_isinst_with_cache (MonoObject *obj, MonoClass *klass, uintptr_t *cache)
9037 MonoObject *isinst = mono_object_isinst_checked (obj, klass, &error);
9038 if (mono_error_set_pending_exception (&error))
9041 #ifndef DISABLE_REMOTING
9042 if (obj->vtable->klass == mono_defaults.transparent_proxy_class)
9046 uintptr_t cache_update = (uintptr_t)obj->vtable;
9048 cache_update = cache_update | 0x1;
9050 *cache = cache_update;
9056 * This does the equivalent of mono_object_isinst_with_cache.
9059 mono_marshal_get_isinst_with_cache (void)
9061 static MonoMethod *cached;
9063 MonoMethodBuilder *mb;
9064 MonoMethodSignature *sig;
9065 int return_null_pos, positive_cache_hit_pos, negative_cache_hit_pos;
9068 const int obj_arg_position = 0;
9069 const int class_arg_position = 1;
9070 const int cache_arg_position = 2;
9075 mb = mono_mb_new (mono_defaults.object_class, "__isinst_with_cache", MONO_WRAPPER_CASTCLASS);
9076 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
9078 sig->params [obj_arg_position] = &mono_defaults.object_class->byval_arg;
9080 sig->params [class_arg_position] = &mono_defaults.int_class->byval_arg;
9082 sig->params [cache_arg_position] = &mono_defaults.int_class->byval_arg;
9083 sig->ret = &mono_defaults.object_class->byval_arg;
9087 generate_check_cache (obj_arg_position, class_arg_position, cache_arg_position,
9088 &return_null_pos, &negative_cache_hit_pos, &positive_cache_hit_pos, mb);
9089 // Return the object gotten via the slow path.
9090 mono_mb_emit_byte (mb, CEE_RET);
9093 mono_mb_patch_branch (mb, negative_cache_hit_pos);
9094 mono_mb_patch_branch (mb, return_null_pos);
9095 mono_mb_emit_byte (mb, CEE_LDNULL);
9096 mono_mb_emit_byte (mb, CEE_RET);
9099 mono_mb_patch_branch (mb, positive_cache_hit_pos);
9100 mono_mb_emit_ldarg (mb, obj_arg_position);
9101 mono_mb_emit_byte (mb, CEE_RET);
9104 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_ISINST_WITH_CACHE);
9105 res = mono_mb_create (mb, sig, 8, info);
9108 if (InterlockedCompareExchangePointer ((volatile gpointer *)&cached, res, NULL)) {
9109 mono_free_method (res);
9110 mono_metadata_free_method_signature (sig);
9118 * mono_marshal_get_struct_to_ptr:
9121 * generates IL code for StructureToPtr (object structure, IntPtr ptr, bool fDeleteOld)
9124 mono_marshal_get_struct_to_ptr (MonoClass *klass)
9126 MonoMethodBuilder *mb;
9127 static MonoMethod *stoptr = NULL;
9131 g_assert (klass != NULL);
9133 mono_marshal_load_type_info (klass);
9135 MonoMarshalType *marshal_info = mono_class_get_marshal_info (klass);
9136 if (marshal_info->str_to_ptr)
9137 return marshal_info->str_to_ptr;
9140 stoptr = mono_class_get_method_from_name (mono_defaults.marshal_class, "StructureToPtr", 3);
9143 mb = mono_mb_new (klass, stoptr->name, MONO_WRAPPER_UNKNOWN);
9146 if (klass->blittable) {
9147 mono_mb_emit_byte (mb, CEE_LDARG_1);
9148 mono_mb_emit_byte (mb, CEE_LDARG_0);
9149 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
9150 mono_mb_emit_icon (mb, mono_class_value_size (klass, NULL));
9151 mono_mb_emit_byte (mb, CEE_PREFIX1);
9152 mono_mb_emit_byte (mb, CEE_CPBLK);
9155 /* allocate local 0 (pointer) src_ptr */
9156 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9157 /* allocate local 1 (pointer) dst_ptr */
9158 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9159 /* allocate local 2 (boolean) delete_old */
9160 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
9161 mono_mb_emit_byte (mb, CEE_LDARG_2);
9162 mono_mb_emit_stloc (mb, 2);
9164 /* initialize src_ptr to point to the start of object data */
9165 mono_mb_emit_byte (mb, CEE_LDARG_0);
9166 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
9167 mono_mb_emit_stloc (mb, 0);
9169 /* initialize dst_ptr */
9170 mono_mb_emit_byte (mb, CEE_LDARG_1);
9171 mono_mb_emit_stloc (mb, 1);
9173 emit_struct_conv (mb, klass, FALSE);
9176 mono_mb_emit_byte (mb, CEE_RET);
9178 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_STRUCTURE_TO_PTR);
9179 res = mono_mb_create (mb, mono_signature_no_pinvoke (stoptr), 0, info);
9182 mono_marshal_lock ();
9183 if (!marshal_info->str_to_ptr)
9184 marshal_info->str_to_ptr = res;
9186 res = marshal_info->str_to_ptr;
9187 mono_marshal_unlock ();
9192 * mono_marshal_get_ptr_to_struct:
9195 * generates IL code for PtrToStructure (IntPtr src, object structure)
9198 mono_marshal_get_ptr_to_struct (MonoClass *klass)
9200 MonoMethodBuilder *mb;
9201 static MonoMethodSignature *ptostr = NULL;
9205 g_assert (klass != NULL);
9207 mono_marshal_load_type_info (klass);
9209 MonoMarshalType *marshal_info = mono_class_get_marshal_info (klass);
9210 if (marshal_info->ptr_to_str)
9211 return marshal_info->ptr_to_str;
9214 MonoMethodSignature *sig;
9216 /* Create the signature corresponding to
9217 static void PtrToStructure (IntPtr ptr, object structure);
9218 defined in class/corlib/System.Runtime.InteropServices/Marshal.cs */
9219 sig = mono_create_icall_signature ("void ptr object");
9220 sig = mono_metadata_signature_dup_full (mono_defaults.corlib, sig);
9222 mono_memory_barrier ();
9226 mb = mono_mb_new (klass, "PtrToStructure", MONO_WRAPPER_UNKNOWN);
9229 if (klass->blittable) {
9230 mono_mb_emit_byte (mb, CEE_LDARG_1);
9231 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
9232 mono_mb_emit_byte (mb, CEE_LDARG_0);
9233 mono_mb_emit_icon (mb, mono_class_value_size (klass, NULL));
9234 mono_mb_emit_byte (mb, CEE_PREFIX1);
9235 mono_mb_emit_byte (mb, CEE_CPBLK);
9238 /* allocate local 0 (pointer) src_ptr */
9239 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9240 /* allocate local 1 (pointer) dst_ptr */
9241 mono_mb_add_local (mb, &klass->this_arg);
9243 /* initialize src_ptr to point to the start of object data */
9244 mono_mb_emit_byte (mb, CEE_LDARG_0);
9245 mono_mb_emit_stloc (mb, 0);
9247 /* initialize dst_ptr */
9248 mono_mb_emit_byte (mb, CEE_LDARG_1);
9249 mono_mb_emit_op (mb, CEE_UNBOX, klass);
9250 mono_mb_emit_stloc (mb, 1);
9252 emit_struct_conv (mb, klass, TRUE);
9255 mono_mb_emit_byte (mb, CEE_RET);
9257 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_PTR_TO_STRUCTURE);
9258 res = mono_mb_create (mb, ptostr, 0, info);
9261 mono_marshal_lock ();
9262 if (!marshal_info->ptr_to_str)
9263 marshal_info->ptr_to_str = res;
9265 res = marshal_info->ptr_to_str;
9266 mono_marshal_unlock ();
9271 * Return a dummy wrapper for METHOD which is called by synchronized wrappers.
9272 * This is used to avoid infinite recursion since it is hard to determine where to
9273 * replace a method with its synchronized wrapper, and where not.
9274 * The runtime should execute METHOD instead of the wrapper.
9277 mono_marshal_get_synchronized_inner_wrapper (MonoMethod *method)
9279 MonoMethodBuilder *mb;
9281 MonoMethodSignature *sig;
9283 MonoGenericContext *ctx = NULL;
9284 MonoGenericContainer *container = NULL;
9286 if (method->is_inflated && !mono_method_get_context (method)->method_inst) {
9287 ctx = &((MonoMethodInflated*)method)->context;
9288 method = ((MonoMethodInflated*)method)->declaring;
9289 container = mono_method_get_generic_container (method);
9291 container = mono_class_try_get_generic_container (method->klass); //FIXME is this a case of a try?
9292 g_assert (container);
9295 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_UNKNOWN);
9297 mono_mb_emit_exception_full (mb, "System", "ExecutionEngineException", "Shouldn't be called.");
9298 mono_mb_emit_byte (mb, CEE_RET);
9300 sig = mono_metadata_signature_dup_full (method->klass->image, mono_method_signature (method));
9302 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_SYNCHRONIZED_INNER);
9303 info->d.synchronized_inner.method = method;
9304 res = mono_mb_create (mb, sig, 0, info);
9308 res = mono_class_inflate_generic_method_checked (res, ctx, &error);
9309 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
9315 * generates IL code for the synchronized wrapper: the generated method
9316 * calls METHOD while locking 'this' or the parent type.
9319 mono_marshal_get_synchronized_wrapper (MonoMethod *method)
9321 static MonoMethod *enter_method, *exit_method, *gettypefromhandle_method;
9322 MonoMethodSignature *sig;
9323 MonoExceptionClause *clause;
9324 MonoMethodBuilder *mb;
9328 int i, pos, pos2, this_local, taken_local, ret_local = 0;
9329 MonoGenericContext *ctx = NULL;
9330 MonoMethod *orig_method = NULL;
9331 MonoGenericContainer *container = NULL;
9335 if (method->wrapper_type == MONO_WRAPPER_SYNCHRONIZED)
9338 /* FIXME: Support generic methods too */
9339 if (method->is_inflated && !mono_method_get_context (method)->method_inst) {
9340 orig_method = method;
9341 ctx = &((MonoMethodInflated*)method)->context;
9342 method = ((MonoMethodInflated*)method)->declaring;
9343 container = mono_method_get_generic_container (method);
9345 container = mono_class_try_get_generic_container (method->klass); //FIXME is this a case of a try?
9346 g_assert (container);
9353 cache = get_cache (&((MonoMethodInflated*)orig_method)->owner->wrapper_caches.synchronized_cache, mono_aligned_addr_hash, NULL);
9354 res = check_generic_wrapper_cache (cache, orig_method, orig_method, method);
9358 cache = get_cache (&method->klass->image->wrapper_caches.synchronized_cache, mono_aligned_addr_hash, NULL);
9359 if ((res = mono_marshal_find_in_cache (cache, method)))
9363 sig = mono_metadata_signature_dup_full (method->klass->image, mono_method_signature (method));
9366 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_SYNCHRONIZED);
9368 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NONE);
9369 info->d.synchronized.method = method;
9372 mb->skip_visibility = 1;
9374 if (!MONO_TYPE_IS_VOID (sig->ret))
9375 ret_local = mono_mb_add_local (mb, sig->ret);
9378 if (method->klass->valuetype && !(method->flags & MONO_METHOD_ATTR_STATIC)) {
9379 /* FIXME Is this really the best way to signal an error here? Isn't this called much later after class setup? -AK */
9380 mono_class_set_type_load_failure (method->klass, "");
9382 /* This will throw the type load exception when the wrapper is compiled */
9383 mono_mb_emit_byte (mb, CEE_LDNULL);
9384 mono_mb_emit_op (mb, CEE_ISINST, method->klass);
9385 mono_mb_emit_byte (mb, CEE_POP);
9387 if (!MONO_TYPE_IS_VOID (sig->ret))
9388 mono_mb_emit_ldloc (mb, ret_local);
9389 mono_mb_emit_byte (mb, CEE_RET);
9392 res = mono_mb_create_and_cache_full (cache, method,
9393 mb, sig, sig->param_count + 16, info, NULL);
9401 this_local = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
9402 taken_local = mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
9404 clause = (MonoExceptionClause *)mono_image_alloc0 (method->klass->image, sizeof (MonoExceptionClause));
9405 clause->flags = MONO_EXCEPTION_CLAUSE_FINALLY;
9408 mono_marshal_lock ();
9410 if (!enter_method) {
9411 MonoMethodDesc *desc;
9413 desc = mono_method_desc_new ("Monitor:Enter(object,bool&)", FALSE);
9414 enter_method = mono_method_desc_search_in_class (desc, mono_defaults.monitor_class);
9415 g_assert (enter_method);
9416 mono_method_desc_free (desc);
9418 desc = mono_method_desc_new ("Monitor:Exit", FALSE);
9419 exit_method = mono_method_desc_search_in_class (desc, mono_defaults.monitor_class);
9420 g_assert (exit_method);
9421 mono_method_desc_free (desc);
9423 desc = mono_method_desc_new ("Type:GetTypeFromHandle", FALSE);
9424 gettypefromhandle_method = mono_method_desc_search_in_class (desc, mono_defaults.systemtype_class);
9425 g_assert (gettypefromhandle_method);
9426 mono_method_desc_free (desc);
9429 mono_marshal_unlock ();
9432 /* Push this or the type object */
9433 if (method->flags & METHOD_ATTRIBUTE_STATIC) {
9434 /* We have special handling for this in the JIT */
9435 int index = mono_mb_add_data (mb, method->klass);
9436 mono_mb_add_data (mb, mono_defaults.typehandle_class);
9437 mono_mb_emit_byte (mb, CEE_LDTOKEN);
9438 mono_mb_emit_i4 (mb, index);
9440 mono_mb_emit_managed_call (mb, gettypefromhandle_method, NULL);
9443 mono_mb_emit_ldarg (mb, 0);
9444 mono_mb_emit_stloc (mb, this_local);
9446 /* Call Monitor::Enter() */
9447 mono_mb_emit_ldloc (mb, this_local);
9448 mono_mb_emit_ldloc_addr (mb, taken_local);
9449 mono_mb_emit_managed_call (mb, enter_method, NULL);
9451 clause->try_offset = mono_mb_get_label (mb);
9453 /* Call the method */
9455 mono_mb_emit_ldarg (mb, 0);
9456 for (i = 0; i < sig->param_count; i++)
9457 mono_mb_emit_ldarg (mb, i + (sig->hasthis == TRUE));
9461 mono_mb_emit_managed_call (mb, mono_class_inflate_generic_method_checked (method, &container->context, &error), NULL);
9462 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
9464 mono_mb_emit_managed_call (mb, method, NULL);
9467 if (!MONO_TYPE_IS_VOID (sig->ret))
9468 mono_mb_emit_stloc (mb, ret_local);
9470 pos = mono_mb_emit_branch (mb, CEE_LEAVE);
9472 clause->try_len = mono_mb_get_pos (mb) - clause->try_offset;
9473 clause->handler_offset = mono_mb_get_label (mb);
9475 /* Call Monitor::Exit() if needed */
9476 mono_mb_emit_ldloc (mb, taken_local);
9477 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
9478 mono_mb_emit_ldloc (mb, this_local);
9479 mono_mb_emit_managed_call (mb, exit_method, NULL);
9480 mono_mb_patch_branch (mb, pos2);
9481 mono_mb_emit_byte (mb, CEE_ENDFINALLY);
9483 clause->handler_len = mono_mb_get_pos (mb) - clause->handler_offset;
9485 mono_mb_patch_branch (mb, pos);
9486 if (!MONO_TYPE_IS_VOID (sig->ret))
9487 mono_mb_emit_ldloc (mb, ret_local);
9488 mono_mb_emit_byte (mb, CEE_RET);
9490 mono_mb_set_clauses (mb, 1, clause);
9495 def = mono_mb_create_and_cache_full (cache, method, mb, sig, sig->param_count + 16, info, NULL);
9496 res = cache_generic_wrapper (cache, orig_method, def, ctx, orig_method);
9498 res = mono_mb_create_and_cache_full (cache, method,
9499 mb, sig, sig->param_count + 16, info, NULL);
9508 * the returned method calls 'method' unboxing the this argument
9511 mono_marshal_get_unbox_wrapper (MonoMethod *method)
9513 MonoMethodSignature *sig = mono_method_signature (method);
9515 MonoMethodBuilder *mb;
9520 cache = get_cache (&mono_method_get_wrapper_cache (method)->unbox_wrapper_cache, mono_aligned_addr_hash, NULL);
9522 if ((res = mono_marshal_find_in_cache (cache, method)))
9525 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_UNBOX);
9527 g_assert (sig->hasthis);
9530 mono_mb_emit_ldarg (mb, 0);
9531 mono_mb_emit_icon (mb, sizeof (MonoObject));
9532 mono_mb_emit_byte (mb, CEE_ADD);
9533 for (i = 0; i < sig->param_count; ++i)
9534 mono_mb_emit_ldarg (mb, i + 1);
9535 mono_mb_emit_managed_call (mb, method, NULL);
9536 mono_mb_emit_byte (mb, CEE_RET);
9539 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NONE);
9540 info->d.unbox.method = method;
9542 res = mono_mb_create_and_cache_full (cache, method,
9543 mb, sig, sig->param_count + 16, info, NULL);
9546 /* mono_method_print_code (res); */
9552 STELEMREF_OBJECT, /*no check at all*/
9553 STELEMREF_SEALED_CLASS, /*check vtable->klass->element_type */
9554 STELEMREF_CLASS, /*only the klass->parents check*/
9555 STELEMREF_INTERFACE, /*interfaces without variant generic arguments. */
9556 STELEMREF_COMPLEX, /*arrays, MBR or types with variant generic args - go straight to icalls*/
9557 STELEMREF_KIND_COUNT
9560 static const char *strelemref_wrapper_name[] = {
9561 "object", "sealed_class", "class", "interface", "complex"
9565 is_monomorphic_array (MonoClass *klass)
9567 MonoClass *element_class;
9568 if (klass->rank != 1)
9571 element_class = klass->element_class;
9572 return mono_class_is_sealed (element_class) || element_class->valuetype;
9576 get_virtual_stelemref_kind (MonoClass *element_class)
9578 if (element_class == mono_defaults.object_class)
9579 return STELEMREF_OBJECT;
9580 if (is_monomorphic_array (element_class))
9581 return STELEMREF_SEALED_CLASS;
9582 /* Compressed interface bitmaps require code that is quite complex, so don't optimize for it. */
9583 if (MONO_CLASS_IS_INTERFACE (element_class) && !mono_class_has_variant_generic_params (element_class))
9584 #ifdef COMPRESSED_INTERFACE_BITMAP
9585 return STELEMREF_COMPLEX;
9587 return STELEMREF_INTERFACE;
9589 /*Arrays are sealed but are covariant on their element type, We can't use any of the fast paths.*/
9590 if (mono_class_is_marshalbyref (element_class) || element_class->rank || mono_class_has_variant_generic_params (element_class))
9591 return STELEMREF_COMPLEX;
9592 if (mono_class_is_sealed (element_class))
9593 return STELEMREF_SEALED_CLASS;
9594 return STELEMREF_CLASS;
9600 load_array_element_address (MonoMethodBuilder *mb)
9602 mono_mb_emit_ldarg (mb, 0);
9603 mono_mb_emit_ldarg (mb, 1);
9604 mono_mb_emit_op (mb, CEE_LDELEMA, mono_defaults.object_class);
9608 load_array_class (MonoMethodBuilder *mb, int aklass)
9610 mono_mb_emit_ldarg (mb, 0);
9611 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoObject, vtable));
9612 mono_mb_emit_byte (mb, CEE_LDIND_I);
9613 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoVTable, klass));
9614 mono_mb_emit_byte (mb, CEE_LDIND_I);
9615 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoClass, element_class));
9616 mono_mb_emit_byte (mb, CEE_LDIND_I);
9617 mono_mb_emit_stloc (mb, aklass);
9621 load_value_class (MonoMethodBuilder *mb, int vklass)
9623 mono_mb_emit_ldarg (mb, 2);
9624 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoObject, vtable));
9625 mono_mb_emit_byte (mb, CEE_LDIND_I);
9626 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoVTable, klass));
9627 mono_mb_emit_byte (mb, CEE_LDIND_I);
9628 mono_mb_emit_stloc (mb, vklass);
9634 record_slot_vstore (MonoObject *array, size_t index, MonoObject *value)
9636 char *name = mono_type_get_full_name (array->vtable->klass->element_class);
9637 printf ("slow vstore of %s\n", name);
9644 * - Separate simple interfaces from variant interfaces or mbr types. This way we can avoid the icall for them.
9645 * - Emit a (new) mono bytecode that produces OP_COND_EXC_NE_UN to raise ArrayTypeMismatch
9646 * - Maybe mve some MonoClass field into the vtable to reduce the number of loads
9647 * - Add a case for arrays of arrays.
9650 get_virtual_stelemref_wrapper (int kind)
9652 static MonoMethod *cached_methods [STELEMREF_KIND_COUNT] = { NULL }; /*object iface sealed regular*/
9653 static MonoMethodSignature *signature;
9654 MonoMethodBuilder *mb;
9657 const char *param_names [16];
9658 guint32 b1, b2, b3, b4;
9659 int aklass, vklass, vtable, uiid;
9660 int array_slot_addr;
9663 if (cached_methods [kind])
9664 return cached_methods [kind];
9666 name = g_strdup_printf ("virt_stelemref_%s", strelemref_wrapper_name [kind]);
9667 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_STELEMREF);
9671 MonoMethodSignature *sig = mono_metadata_signature_alloc (mono_defaults.corlib, 2);
9673 /* void this::stelemref (size_t idx, void* value) */
9674 sig->ret = &mono_defaults.void_class->byval_arg;
9675 sig->hasthis = TRUE;
9676 sig->params [0] = &mono_defaults.int_class->byval_arg; /* this is a natural sized int */
9677 sig->params [1] = &mono_defaults.object_class->byval_arg;
9682 param_names [0] = "index";
9683 param_names [1] = "value";
9684 mono_mb_set_param_names (mb, param_names);
9686 /*For now simply call plain old stelemref*/
9688 case STELEMREF_OBJECT:
9689 /* ldelema (implicit bound check) */
9690 load_array_element_address (mb);
9692 mono_mb_emit_ldarg (mb, 2);
9693 mono_mb_emit_byte (mb, CEE_STIND_REF);
9694 mono_mb_emit_byte (mb, CEE_RET);
9697 case STELEMREF_COMPLEX:
9699 <ldelema (bound check)>
9702 if (!mono_object_isinst (value, aklass))
9706 *array_slot_addr = value;
9709 throw new ArrayTypeMismatchException ();
9712 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9713 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
9717 /*Use this to debug/record stores that are going thru the slow path*/
9718 MonoMethodSignature *csig;
9719 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
9720 csig->ret = &mono_defaults.void_class->byval_arg;
9721 csig->params [0] = &mono_defaults.object_class->byval_arg;
9722 csig->params [1] = &mono_defaults.int_class->byval_arg; /* this is a natural sized int */
9723 csig->params [2] = &mono_defaults.object_class->byval_arg;
9724 mono_mb_emit_ldarg (mb, 0);
9725 mono_mb_emit_ldarg (mb, 1);
9726 mono_mb_emit_ldarg (mb, 2);
9727 mono_mb_emit_native_call (mb, csig, record_slot_vstore);
9731 /* ldelema (implicit bound check) */
9732 load_array_element_address (mb);
9733 mono_mb_emit_stloc (mb, array_slot_addr);
9735 /* if (!value) goto do_store */
9736 mono_mb_emit_ldarg (mb, 2);
9737 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
9739 /* aklass = array->vtable->klass->element_class */
9740 load_array_class (mb, aklass);
9742 /*if (mono_object_isinst (value, aklass)) */
9743 mono_mb_emit_ldarg (mb, 2);
9744 mono_mb_emit_ldloc (mb, aklass);
9745 mono_mb_emit_icall (mb, mono_object_isinst_icall);
9746 b2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
9749 mono_mb_patch_branch (mb, b1);
9750 mono_mb_emit_ldloc (mb, array_slot_addr);
9751 mono_mb_emit_ldarg (mb, 2);
9752 mono_mb_emit_byte (mb, CEE_STIND_REF);
9753 mono_mb_emit_byte (mb, CEE_RET);
9756 mono_mb_patch_branch (mb, b2);
9758 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
9761 case STELEMREF_SEALED_CLASS:
9763 <ldelema (bound check)>
9767 aklass = array->vtable->klass->element_class;
9768 vklass = value->vtable->klass;
9770 if (vklass != aklass)
9774 *array_slot_addr = value;
9777 throw new ArrayTypeMismatchException ();
9779 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9780 vklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9781 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
9784 /* ldelema (implicit bound check) */
9785 load_array_element_address (mb);
9786 mono_mb_emit_stloc (mb, array_slot_addr);
9788 /* if (!value) goto do_store */
9789 mono_mb_emit_ldarg (mb, 2);
9790 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
9792 /* aklass = array->vtable->klass->element_class */
9793 load_array_class (mb, aklass);
9795 /* vklass = value->vtable->klass */
9796 load_value_class (mb, vklass);
9798 /*if (vklass != aklass) goto do_exception; */
9799 mono_mb_emit_ldloc (mb, aklass);
9800 mono_mb_emit_ldloc (mb, vklass);
9801 b2 = mono_mb_emit_branch (mb, CEE_BNE_UN);
9804 mono_mb_patch_branch (mb, b1);
9805 mono_mb_emit_ldloc (mb, array_slot_addr);
9806 mono_mb_emit_ldarg (mb, 2);
9807 mono_mb_emit_byte (mb, CEE_STIND_REF);
9808 mono_mb_emit_byte (mb, CEE_RET);
9811 mono_mb_patch_branch (mb, b2);
9812 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
9815 case STELEMREF_CLASS:
9818 <ldelema (bound check)>
9822 aklass = array->vtable->klass->element_class;
9823 vklass = value->vtable->klass;
9825 if (vklass->idepth < aklass->idepth)
9828 if (vklass->supertypes [aklass->idepth - 1] != aklass)
9832 *array_slot_addr = value;
9836 throw new ArrayTypeMismatchException ();
9838 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9839 vklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9840 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
9842 /* ldelema (implicit bound check) */
9843 load_array_element_address (mb);
9844 mono_mb_emit_stloc (mb, array_slot_addr);
9846 /* if (!value) goto do_store */
9847 mono_mb_emit_ldarg (mb, 2);
9848 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
9850 /* aklass = array->vtable->klass->element_class */
9851 load_array_class (mb, aklass);
9853 /* vklass = value->vtable->klass */
9854 load_value_class (mb, vklass);
9856 /*if (mono_object_isinst (value, aklass)) */
9857 mono_mb_emit_ldarg (mb, 2);
9858 mono_mb_emit_ldloc (mb, aklass);
9859 mono_mb_emit_icall (mb, mono_object_isinst_icall);
9860 b2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
9862 /* if (vklass->idepth < aklass->idepth) goto failue */
9863 mono_mb_emit_ldloc (mb, vklass);
9864 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoClass, idepth));
9865 mono_mb_emit_byte (mb, CEE_LDIND_U2);
9867 mono_mb_emit_ldloc (mb, aklass);
9868 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoClass, idepth));
9869 mono_mb_emit_byte (mb, CEE_LDIND_U2);
9871 b3 = mono_mb_emit_branch (mb, CEE_BLT_UN);
9873 /* if (vklass->supertypes [aklass->idepth - 1] != aklass) goto failure */
9874 mono_mb_emit_ldloc (mb, vklass);
9875 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoClass, supertypes));
9876 mono_mb_emit_byte (mb, CEE_LDIND_I);
9878 mono_mb_emit_ldloc (mb, aklass);
9879 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoClass, idepth));
9880 mono_mb_emit_byte (mb, CEE_LDIND_U2);
9881 mono_mb_emit_icon (mb, 1);
9882 mono_mb_emit_byte (mb, CEE_SUB);
9883 mono_mb_emit_icon (mb, sizeof (void*));
9884 mono_mb_emit_byte (mb, CEE_MUL);
9885 mono_mb_emit_byte (mb, CEE_ADD);
9886 mono_mb_emit_byte (mb, CEE_LDIND_I);
9888 mono_mb_emit_ldloc (mb, aklass);
9889 b4 = mono_mb_emit_branch (mb, CEE_BNE_UN);
9892 mono_mb_patch_branch (mb, b1);
9893 mono_mb_emit_ldloc (mb, array_slot_addr);
9894 mono_mb_emit_ldarg (mb, 2);
9895 mono_mb_emit_byte (mb, CEE_STIND_REF);
9896 mono_mb_emit_byte (mb, CEE_RET);
9899 mono_mb_patch_branch (mb, b2);
9900 mono_mb_patch_branch (mb, b3);
9901 mono_mb_patch_branch (mb, b4);
9903 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
9906 case STELEMREF_INTERFACE:
9913 klass = array->obj.vtable->klass->element_class;
9915 uiid = klass->interface_id;
9916 if (uiid > vt->max_interface_id)
9918 if (!(vt->interface_bitmap [(uiid) >> 3] & (1 << ((uiid)&7))))
9921 mono_array_setref (array, index, value);
9924 mono_raise_exception (mono_get_exception_array_type_mismatch ());*/
9926 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
9927 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9928 vtable = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9929 uiid = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
9931 /* ldelema (implicit bound check) */
9932 load_array_element_address (mb);
9933 mono_mb_emit_stloc (mb, array_slot_addr);
9935 /* if (!value) goto do_store */
9936 mono_mb_emit_ldarg (mb, 2);
9937 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
9939 /* klass = array->vtable->klass->element_class */
9940 load_array_class (mb, aklass);
9942 /* vt = value->vtable */
9943 mono_mb_emit_ldarg (mb, 2);
9944 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoObject, vtable));
9945 mono_mb_emit_byte (mb, CEE_LDIND_I);
9946 mono_mb_emit_stloc (mb, vtable);
9948 /* uiid = klass->interface_id; */
9949 mono_mb_emit_ldloc (mb, aklass);
9950 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoClass, interface_id));
9951 mono_mb_emit_byte (mb, CEE_LDIND_U4);
9952 mono_mb_emit_stloc (mb, uiid);
9954 /*if (uiid > vt->max_interface_id)*/
9955 mono_mb_emit_ldloc (mb, uiid);
9956 mono_mb_emit_ldloc (mb, vtable);
9957 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoVTable, max_interface_id));
9958 mono_mb_emit_byte (mb, CEE_LDIND_U4);
9959 b2 = mono_mb_emit_branch (mb, CEE_BGT_UN);
9961 /* if (!(vt->interface_bitmap [(uiid) >> 3] & (1 << ((uiid)&7)))) */
9963 /*vt->interface_bitmap*/
9964 mono_mb_emit_ldloc (mb, vtable);
9965 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoVTable, interface_bitmap));
9966 mono_mb_emit_byte (mb, CEE_LDIND_I);
9969 mono_mb_emit_ldloc (mb, uiid);
9970 mono_mb_emit_icon (mb, 3);
9971 mono_mb_emit_byte (mb, CEE_SHR_UN);
9973 /*vt->interface_bitmap [(uiid) >> 3]*/
9974 mono_mb_emit_byte (mb, CEE_ADD); /*interface_bitmap is a guint8 array*/
9975 mono_mb_emit_byte (mb, CEE_LDIND_U1);
9977 /*(1 << ((uiid)&7)))*/
9978 mono_mb_emit_icon (mb, 1);
9979 mono_mb_emit_ldloc (mb, uiid);
9980 mono_mb_emit_icon (mb, 7);
9981 mono_mb_emit_byte (mb, CEE_AND);
9982 mono_mb_emit_byte (mb, CEE_SHL);
9984 /*bitwise and the whole thing*/
9985 mono_mb_emit_byte (mb, CEE_AND);
9986 b3 = mono_mb_emit_branch (mb, CEE_BRFALSE);
9989 mono_mb_patch_branch (mb, b1);
9990 mono_mb_emit_ldloc (mb, array_slot_addr);
9991 mono_mb_emit_ldarg (mb, 2);
9992 mono_mb_emit_byte (mb, CEE_STIND_REF);
9993 mono_mb_emit_byte (mb, CEE_RET);
9996 mono_mb_patch_branch (mb, b2);
9997 mono_mb_patch_branch (mb, b3);
9998 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
10002 mono_mb_emit_ldarg (mb, 0);
10003 mono_mb_emit_ldarg (mb, 1);
10004 mono_mb_emit_ldarg (mb, 2);
10005 mono_mb_emit_managed_call (mb, mono_marshal_get_stelemref (), NULL);
10006 mono_mb_emit_byte (mb, CEE_RET);
10009 #endif /* DISABLE_JIT */
10010 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_VIRTUAL_STELEMREF);
10011 info->d.virtual_stelemref.kind = kind;
10012 res = mono_mb_create (mb, signature, 4, info);
10013 res->flags |= METHOD_ATTRIBUTE_VIRTUAL;
10015 mono_marshal_lock ();
10016 if (!cached_methods [kind]) {
10017 cached_methods [kind] = res;
10018 mono_marshal_unlock ();
10020 mono_marshal_unlock ();
10021 mono_free_method (res);
10025 return cached_methods [kind];
10029 mono_marshal_get_virtual_stelemref (MonoClass *array_class)
10033 g_assert (array_class->rank == 1);
10034 kind = get_virtual_stelemref_kind (array_class->element_class);
10036 return get_virtual_stelemref_wrapper (kind);
10040 mono_marshal_get_virtual_stelemref_wrappers (int *nwrappers)
10045 *nwrappers = STELEMREF_KIND_COUNT;
10046 res = (MonoMethod **)g_malloc0 (STELEMREF_KIND_COUNT * sizeof (MonoMethod*));
10047 for (i = 0; i < STELEMREF_KIND_COUNT; ++i)
10048 res [i] = get_virtual_stelemref_wrapper (i);
10053 mono_marshal_get_stelemref (void)
10055 static MonoMethod* ret = NULL;
10056 MonoMethodSignature *sig;
10057 MonoMethodBuilder *mb;
10060 guint32 b1, b2, b3, b4;
10062 int aklass, vklass;
10063 int array_slot_addr;
10068 mb = mono_mb_new (mono_defaults.object_class, "stelemref", MONO_WRAPPER_STELEMREF);
10071 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
10073 /* void stelemref (void* array, int idx, void* value) */
10074 sig->ret = &mono_defaults.void_class->byval_arg;
10075 sig->params [0] = &mono_defaults.object_class->byval_arg;
10076 sig->params [1] = &mono_defaults.int_class->byval_arg; /* this is a natural sized int */
10077 sig->params [2] = &mono_defaults.object_class->byval_arg;
10079 #ifndef DISABLE_JIT
10080 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10081 vklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10082 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
10086 <ldelema (bound check)>
10090 aklass = array->vtable->klass->element_class;
10091 vklass = value->vtable->klass;
10093 if (vklass->idepth < aklass->idepth)
10096 if (vklass->supertypes [aklass->idepth - 1] != aklass)
10100 *array_slot_addr = value;
10104 if (mono_object_isinst (value, aklass))
10107 throw new ArrayTypeMismatchException ();
10110 /* ldelema (implicit bound check) */
10111 mono_mb_emit_ldarg (mb, 0);
10112 mono_mb_emit_ldarg (mb, 1);
10113 mono_mb_emit_op (mb, CEE_LDELEMA, mono_defaults.object_class);
10114 mono_mb_emit_stloc (mb, array_slot_addr);
10116 /* if (!value) goto do_store */
10117 mono_mb_emit_ldarg (mb, 2);
10118 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
10120 /* aklass = array->vtable->klass->element_class */
10121 mono_mb_emit_ldarg (mb, 0);
10122 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoObject, vtable));
10123 mono_mb_emit_byte (mb, CEE_LDIND_I);
10124 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoVTable, klass));
10125 mono_mb_emit_byte (mb, CEE_LDIND_I);
10126 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoClass, element_class));
10127 mono_mb_emit_byte (mb, CEE_LDIND_I);
10128 mono_mb_emit_stloc (mb, aklass);
10130 /* vklass = value->vtable->klass */
10131 mono_mb_emit_ldarg (mb, 2);
10132 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoObject, vtable));
10133 mono_mb_emit_byte (mb, CEE_LDIND_I);
10134 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoVTable, klass));
10135 mono_mb_emit_byte (mb, CEE_LDIND_I);
10136 mono_mb_emit_stloc (mb, vklass);
10138 /* if (vklass->idepth < aklass->idepth) goto failue */
10139 mono_mb_emit_ldloc (mb, vklass);
10140 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoClass, idepth));
10141 mono_mb_emit_byte (mb, CEE_LDIND_U2);
10143 mono_mb_emit_ldloc (mb, aklass);
10144 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoClass, idepth));
10145 mono_mb_emit_byte (mb, CEE_LDIND_U2);
10147 b2 = mono_mb_emit_branch (mb, CEE_BLT_UN);
10149 /* if (vklass->supertypes [aklass->idepth - 1] != aklass) goto failure */
10150 mono_mb_emit_ldloc (mb, vklass);
10151 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoClass, supertypes));
10152 mono_mb_emit_byte (mb, CEE_LDIND_I);
10154 mono_mb_emit_ldloc (mb, aklass);
10155 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoClass, idepth));
10156 mono_mb_emit_byte (mb, CEE_LDIND_U2);
10157 mono_mb_emit_icon (mb, 1);
10158 mono_mb_emit_byte (mb, CEE_SUB);
10159 mono_mb_emit_icon (mb, sizeof (void*));
10160 mono_mb_emit_byte (mb, CEE_MUL);
10161 mono_mb_emit_byte (mb, CEE_ADD);
10162 mono_mb_emit_byte (mb, CEE_LDIND_I);
10164 mono_mb_emit_ldloc (mb, aklass);
10166 b3 = mono_mb_emit_branch (mb, CEE_BNE_UN);
10168 copy_pos = mono_mb_get_label (mb);
10170 mono_mb_patch_branch (mb, b1);
10171 mono_mb_emit_ldloc (mb, array_slot_addr);
10172 mono_mb_emit_ldarg (mb, 2);
10173 mono_mb_emit_byte (mb, CEE_STIND_REF);
10175 mono_mb_emit_byte (mb, CEE_RET);
10178 mono_mb_patch_branch (mb, b2);
10179 mono_mb_patch_branch (mb, b3);
10181 mono_mb_emit_ldarg (mb, 2);
10182 mono_mb_emit_ldloc (mb, aklass);
10183 mono_mb_emit_icall (mb, mono_object_isinst_icall);
10185 b4 = mono_mb_emit_branch (mb, CEE_BRTRUE);
10186 mono_mb_patch_addr (mb, b4, copy_pos - (b4 + 4));
10187 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
10189 mono_mb_emit_byte (mb, CEE_RET);
10191 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NONE);
10192 ret = mono_mb_create (mb, sig, 4, info);
10199 * mono_marshal_get_gsharedvt_in_wrapper:
10201 * This wrapper handles calls from normal code to gsharedvt code.
10204 mono_marshal_get_gsharedvt_in_wrapper (void)
10206 static MonoMethod* ret = NULL;
10207 MonoMethodSignature *sig;
10208 MonoMethodBuilder *mb;
10214 mb = mono_mb_new (mono_defaults.object_class, "gsharedvt_in", MONO_WRAPPER_UNKNOWN);
10216 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
10217 sig->ret = &mono_defaults.void_class->byval_arg;
10219 #ifndef DISABLE_JIT
10221 * The body is generated by the JIT, we use a wrapper instead of a trampoline so EH works.
10223 mono_mb_emit_byte (mb, CEE_RET);
10225 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_GSHAREDVT_IN);
10226 ret = mono_mb_create (mb, sig, 4, info);
10233 * mono_marshal_get_gsharedvt_out_wrapper:
10235 * This wrapper handles calls from gsharedvt code to normal code.
10238 mono_marshal_get_gsharedvt_out_wrapper (void)
10240 static MonoMethod* ret = NULL;
10241 MonoMethodSignature *sig;
10242 MonoMethodBuilder *mb;
10248 mb = mono_mb_new (mono_defaults.object_class, "gsharedvt_out", MONO_WRAPPER_UNKNOWN);
10250 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
10251 sig->ret = &mono_defaults.void_class->byval_arg;
10253 #ifndef DISABLE_JIT
10255 * The body is generated by the JIT, we use a wrapper instead of a trampoline so EH works.
10257 mono_mb_emit_byte (mb, CEE_RET);
10259 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_GSHAREDVT_OUT);
10260 ret = mono_mb_create (mb, sig, 4, info);
10269 MonoMethod *method;
10272 /* LOCKING: vars accessed under the marshal lock */
10273 static ArrayElemAddr *elem_addr_cache = NULL;
10274 static int elem_addr_cache_size = 0;
10275 static int elem_addr_cache_next = 0;
10278 * mono_marshal_get_array_address:
10279 * @rank: rank of the array type
10280 * @elem_size: size in bytes of an element of an array.
10282 * Returns a MonoMethod that implements the code to get the address
10283 * of an element in a multi-dimenasional array of @rank dimensions.
10284 * The returned method takes an array as the first argument and then
10285 * @rank indexes for the @rank dimensions.
10286 * If ELEM_SIZE is 0, read the array size from the array object.
10289 mono_marshal_get_array_address (int rank, int elem_size)
10292 MonoMethodBuilder *mb;
10293 MonoMethodSignature *sig;
10296 int i, bounds, ind, realidx;
10297 int branch_pos, *branch_positions;
10301 mono_marshal_lock ();
10302 for (i = 0; i < elem_addr_cache_next; ++i) {
10303 if (elem_addr_cache [i].rank == rank && elem_addr_cache [i].elem_size == elem_size) {
10304 ret = elem_addr_cache [i].method;
10308 mono_marshal_unlock ();
10312 branch_positions = g_new0 (int, rank);
10314 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1 + rank);
10316 /* void* address (void* array, int idx0, int idx1, int idx2, ...) */
10317 sig->ret = &mono_defaults.int_class->byval_arg;
10318 sig->params [0] = &mono_defaults.object_class->byval_arg;
10319 for (i = 0; i < rank; ++i) {
10320 sig->params [i + 1] = &mono_defaults.int32_class->byval_arg;
10323 name = g_strdup_printf ("ElementAddr_%d", elem_size);
10324 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_MANAGED_TO_MANAGED);
10327 #ifndef DISABLE_JIT
10328 bounds = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10329 ind = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
10330 realidx = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
10332 /* bounds = array->bounds; */
10333 mono_mb_emit_ldarg (mb, 0);
10334 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoArray, bounds));
10335 mono_mb_emit_byte (mb, CEE_LDIND_I);
10336 mono_mb_emit_stloc (mb, bounds);
10338 /* ind is the overall element index, realidx is the partial index in a single dimension */
10339 /* ind = idx0 - bounds [0].lower_bound */
10340 mono_mb_emit_ldarg (mb, 1);
10341 mono_mb_emit_ldloc (mb, bounds);
10342 mono_mb_emit_icon (mb, MONO_STRUCT_OFFSET (MonoArrayBounds, lower_bound));
10343 mono_mb_emit_byte (mb, CEE_ADD);
10344 mono_mb_emit_byte (mb, CEE_LDIND_I4);
10345 mono_mb_emit_byte (mb, CEE_SUB);
10346 mono_mb_emit_stloc (mb, ind);
10347 /* if (ind >= bounds [0].length) goto exeception; */
10348 mono_mb_emit_ldloc (mb, ind);
10349 mono_mb_emit_ldloc (mb, bounds);
10350 mono_mb_emit_icon (mb, MONO_STRUCT_OFFSET (MonoArrayBounds, length));
10351 mono_mb_emit_byte (mb, CEE_ADD);
10352 mono_mb_emit_byte (mb, CEE_LDIND_I4);
10353 /* note that we use unsigned comparison */
10354 branch_pos = mono_mb_emit_branch (mb, CEE_BGE_UN);
10356 /* For large ranks (> 4?) use a loop n IL later to reduce code size.
10357 * We could also decide to ignore the passed elem_size and get it
10358 * from the array object, to reduce the number of methods we generate:
10359 * the additional cost is 3 memory loads and a non-immediate mul.
10361 for (i = 1; i < rank; ++i) {
10362 /* realidx = idxi - bounds [i].lower_bound */
10363 mono_mb_emit_ldarg (mb, 1 + i);
10364 mono_mb_emit_ldloc (mb, bounds);
10365 mono_mb_emit_icon (mb, (i * sizeof (MonoArrayBounds)) + MONO_STRUCT_OFFSET (MonoArrayBounds, lower_bound));
10366 mono_mb_emit_byte (mb, CEE_ADD);
10367 mono_mb_emit_byte (mb, CEE_LDIND_I4);
10368 mono_mb_emit_byte (mb, CEE_SUB);
10369 mono_mb_emit_stloc (mb, realidx);
10370 /* if (realidx >= bounds [i].length) goto exeception; */
10371 mono_mb_emit_ldloc (mb, realidx);
10372 mono_mb_emit_ldloc (mb, bounds);
10373 mono_mb_emit_icon (mb, (i * sizeof (MonoArrayBounds)) + MONO_STRUCT_OFFSET (MonoArrayBounds, length));
10374 mono_mb_emit_byte (mb, CEE_ADD);
10375 mono_mb_emit_byte (mb, CEE_LDIND_I4);
10376 branch_positions [i] = mono_mb_emit_branch (mb, CEE_BGE_UN);
10377 /* ind = ind * bounds [i].length + realidx */
10378 mono_mb_emit_ldloc (mb, ind);
10379 mono_mb_emit_ldloc (mb, bounds);
10380 mono_mb_emit_icon (mb, (i * sizeof (MonoArrayBounds)) + MONO_STRUCT_OFFSET (MonoArrayBounds, length));
10381 mono_mb_emit_byte (mb, CEE_ADD);
10382 mono_mb_emit_byte (mb, CEE_LDIND_I4);
10383 mono_mb_emit_byte (mb, CEE_MUL);
10384 mono_mb_emit_ldloc (mb, realidx);
10385 mono_mb_emit_byte (mb, CEE_ADD);
10386 mono_mb_emit_stloc (mb, ind);
10389 /* return array->vector + ind * element_size */
10390 mono_mb_emit_ldarg (mb, 0);
10391 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoArray, vector));
10392 mono_mb_emit_ldloc (mb, ind);
10394 mono_mb_emit_icon (mb, elem_size);
10396 /* Load arr->vtable->klass->sizes.element_class */
10397 mono_mb_emit_ldarg (mb, 0);
10398 mono_mb_emit_byte (mb, CEE_CONV_I);
10399 mono_mb_emit_icon (mb, MONO_STRUCT_OFFSET (MonoObject, vtable));
10400 mono_mb_emit_byte (mb, CEE_ADD);
10401 mono_mb_emit_byte (mb, CEE_LDIND_I);
10402 mono_mb_emit_icon (mb, MONO_STRUCT_OFFSET (MonoVTable, klass));
10403 mono_mb_emit_byte (mb, CEE_ADD);
10404 mono_mb_emit_byte (mb, CEE_LDIND_I);
10405 /* sizes is an union, so this reads sizes.element_size */
10406 mono_mb_emit_icon (mb, MONO_STRUCT_OFFSET (MonoClass, sizes));
10407 mono_mb_emit_byte (mb, CEE_ADD);
10408 mono_mb_emit_byte (mb, CEE_LDIND_I4);
10410 mono_mb_emit_byte (mb, CEE_MUL);
10411 mono_mb_emit_byte (mb, CEE_ADD);
10412 mono_mb_emit_byte (mb, CEE_RET);
10414 /* patch the branches to get here and throw */
10415 for (i = 1; i < rank; ++i) {
10416 mono_mb_patch_branch (mb, branch_positions [i]);
10418 mono_mb_patch_branch (mb, branch_pos);
10419 /* throw exception */
10420 mono_mb_emit_exception (mb, "IndexOutOfRangeException", NULL);
10422 g_free (branch_positions);
10423 #endif /* DISABLE_JIT */
10425 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_ELEMENT_ADDR);
10426 info->d.element_addr.rank = rank;
10427 info->d.element_addr.elem_size = elem_size;
10428 ret = mono_mb_create (mb, sig, 4, info);
10431 /* cache the result */
10433 mono_marshal_lock ();
10434 for (i = 0; i < elem_addr_cache_next; ++i) {
10435 if (elem_addr_cache [i].rank == rank && elem_addr_cache [i].elem_size == elem_size) {
10436 /* FIXME: free ret */
10437 ret = elem_addr_cache [i].method;
10443 if (elem_addr_cache_next >= elem_addr_cache_size) {
10444 int new_size = elem_addr_cache_size + 4;
10445 ArrayElemAddr *new_array = g_new0 (ArrayElemAddr, new_size);
10446 memcpy (new_array, elem_addr_cache, elem_addr_cache_size * sizeof (ArrayElemAddr));
10447 g_free (elem_addr_cache);
10448 elem_addr_cache = new_array;
10449 elem_addr_cache_size = new_size;
10451 elem_addr_cache [elem_addr_cache_next].rank = rank;
10452 elem_addr_cache [elem_addr_cache_next].elem_size = elem_size;
10453 elem_addr_cache [elem_addr_cache_next].method = ret;
10454 elem_addr_cache_next ++;
10456 mono_marshal_unlock ();
10461 * mono_marshal_get_array_accessor_wrapper:
10463 * Return a wrapper which just calls METHOD, which should be an Array Get/Set/Address method.
10466 mono_marshal_get_array_accessor_wrapper (MonoMethod *method)
10468 MonoMethodSignature *sig;
10469 MonoMethodBuilder *mb;
10473 MonoGenericContext *ctx = NULL;
10474 MonoMethod *orig_method = NULL;
10475 MonoGenericContainer *container = NULL;
10479 * These wrappers are needed to avoid the JIT replacing the calls to these methods with intrinsics
10480 * inside runtime invoke wrappers, thereby making the wrappers not unshareable.
10481 * FIXME: Use generic methods.
10488 g_assert_not_reached ();
10490 cache = get_cache (&method->klass->image->array_accessor_cache, mono_aligned_addr_hash, NULL);
10491 if ((res = mono_marshal_find_in_cache (cache, method)))
10495 sig = mono_metadata_signature_dup_full (method->klass->image, mono_method_signature (method));
10498 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_UNKNOWN);
10500 #ifndef DISABLE_JIT
10501 /* Call the method */
10503 mono_mb_emit_ldarg (mb, 0);
10504 for (i = 0; i < sig->param_count; i++)
10505 mono_mb_emit_ldarg (mb, i + (sig->hasthis == TRUE));
10509 mono_mb_emit_managed_call (mb, mono_class_inflate_generic_method_checked (method, &container->context, &error), NULL);
10510 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
10512 mono_mb_emit_managed_call (mb, method, NULL);
10514 mono_mb_emit_byte (mb, CEE_RET);
10517 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_ARRAY_ACCESSOR);
10518 info->d.array_accessor.method = method;
10522 def = mono_mb_create_and_cache_full (cache, method, mb, sig, sig->param_count + 16, info, NULL);
10523 res = cache_generic_wrapper (cache, orig_method, def, ctx, orig_method);
10525 res = mono_mb_create_and_cache_full (cache, method,
10526 mb, sig, sig->param_count + 16,
10535 static inline void*
10536 mono_marshal_alloc_co_task_mem (size_t size)
10538 if ((gulong)size == 0)
10539 /* This returns a valid pointer for size 0 on MS.NET */
10542 return g_try_malloc ((gulong)size);
10547 mono_marshal_alloc (gulong size, MonoError *error)
10551 mono_error_init (error);
10553 res = mono_marshal_alloc_co_task_mem (size);
10555 mono_error_set_out_of_memory (error, "Could not allocate %lu bytes", size);
10560 /* This is a JIT icall, it sets the pending exception and returns NULL on error. */
10562 ves_icall_marshal_alloc (gulong size)
10565 void *ret = mono_marshal_alloc (size, &error);
10566 if (!mono_error_ok (&error)) {
10567 mono_error_set_pending_exception (&error);
10576 mono_marshal_free_co_task_mem (void *ptr)
10584 mono_marshal_free (gpointer ptr)
10586 mono_marshal_free_co_task_mem (ptr);
10590 mono_marshal_free_array (gpointer *ptr, int size)
10597 for (i = 0; i < size; i++)
10603 mono_marshal_string_to_utf16 (MonoString *s)
10605 return s ? mono_string_chars (s) : NULL;
10608 /* This is a JIT icall, it sets the pending exception and returns NULL on error. */
10610 mono_marshal_string_to_utf16_copy (MonoString *s)
10616 gunichar2 *res = (gunichar2 *)mono_marshal_alloc ((mono_string_length (s) * 2) + 2, &error);
10617 if (!mono_error_ok (&error)) {
10618 mono_error_set_pending_exception (&error);
10621 memcpy (res, mono_string_chars (s), mono_string_length (s) * 2);
10622 res [mono_string_length (s)] = 0;
10628 * mono_marshal_set_last_error:
10630 * This function is invoked to set the last error value from a P/Invoke call
10631 * which has SetLastError set.
10634 mono_marshal_set_last_error (void)
10637 mono_native_tls_set_value (last_error_tls_id, GINT_TO_POINTER (GetLastError ()));
10639 mono_native_tls_set_value (last_error_tls_id, GINT_TO_POINTER (errno));
10644 mono_marshal_set_last_error_windows (int error)
10647 mono_native_tls_set_value (last_error_tls_id, GINT_TO_POINTER (error));
10652 ves_icall_System_Runtime_InteropServices_Marshal_copy_to_unmanaged (MonoArray *src, gint32 start_index,
10653 gpointer dest, gint32 length)
10658 MONO_CHECK_ARG_NULL (src,);
10659 MONO_CHECK_ARG_NULL (dest,);
10661 if (src->obj.vtable->klass->rank != 1) {
10662 mono_set_pending_exception (mono_get_exception_argument ("array", "array is multi-dimensional"));
10665 if (start_index < 0) {
10666 mono_set_pending_exception (mono_get_exception_argument ("startIndex", "Must be >= 0"));
10670 mono_set_pending_exception (mono_get_exception_argument ("length", "Must be >= 0"));
10673 if (start_index + length > mono_array_length (src)) {
10674 mono_set_pending_exception (mono_get_exception_argument ("length", "start_index + length > array length"));
10678 element_size = mono_array_element_size (src->obj.vtable->klass);
10680 /* no references should be involved */
10681 source_addr = mono_array_addr_with_size_fast (src, element_size, start_index);
10683 memcpy (dest, source_addr, length * element_size);
10687 ves_icall_System_Runtime_InteropServices_Marshal_copy_from_unmanaged (gpointer src, gint32 start_index,
10688 MonoArray *dest, gint32 length)
10693 MONO_CHECK_ARG_NULL (src,);
10694 MONO_CHECK_ARG_NULL (dest,);
10696 if (dest->obj.vtable->klass->rank != 1) {
10697 mono_set_pending_exception (mono_get_exception_argument ("array", "array is multi-dimensional"));
10700 if (start_index < 0) {
10701 mono_set_pending_exception (mono_get_exception_argument ("startIndex", "Must be >= 0"));
10705 mono_set_pending_exception (mono_get_exception_argument ("length", "Must be >= 0"));
10708 if (start_index + length > mono_array_length (dest)) {
10709 mono_set_pending_exception (mono_get_exception_argument ("length", "start_index + length > array length"));
10712 element_size = mono_array_element_size (dest->obj.vtable->klass);
10714 /* no references should be involved */
10715 dest_addr = mono_array_addr_with_size_fast (dest, element_size, start_index);
10717 memcpy (dest_addr, src, length * element_size);
10721 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringAnsi (char *ptr)
10726 return mono_string_new (mono_domain_get (), ptr);
10730 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringAnsi_len (char *ptr, gint32 len)
10733 MonoString *result = NULL;
10734 mono_error_init (&error);
10736 mono_error_set_argument_null (&error, "ptr", "");
10738 result = mono_string_new_len_checked (mono_domain_get (), ptr, len, &error);
10739 mono_error_set_pending_exception (&error);
10744 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringUni (guint16 *ptr)
10747 MonoString *res = NULL;
10748 MonoDomain *domain = mono_domain_get ();
10758 res = mono_string_new_utf16_checked (domain, ptr, len, &error);
10759 if (!mono_error_ok (&error)) {
10760 mono_error_set_pending_exception (&error);
10767 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringUni_len (guint16 *ptr, gint32 len)
10770 MonoString *res = NULL;
10771 MonoDomain *domain = mono_domain_get ();
10773 mono_error_init (&error);
10777 mono_error_set_argument_null (&error, "ptr", "");
10779 res = mono_string_new_utf16_checked (domain, ptr, len, &error);
10782 if (!mono_error_ok (&error))
10783 mono_error_set_pending_exception (&error);
10788 ves_icall_System_Runtime_InteropServices_Marshal_GetLastWin32Error (void)
10790 return (GPOINTER_TO_INT (mono_native_tls_get_value (last_error_tls_id)));
10794 ves_icall_System_Runtime_InteropServices_Marshal_SizeOf (MonoReflectionType *rtype)
10800 MONO_CHECK_ARG_NULL (rtype, 0);
10802 type = rtype->type;
10803 klass = mono_class_from_mono_type (type);
10804 if (!mono_class_init (klass)) {
10805 mono_set_pending_exception (mono_class_get_exception_for_failure (klass));
10809 layout = (mono_class_get_flags (klass) & TYPE_ATTRIBUTE_LAYOUT_MASK);
10811 if (type->type == MONO_TYPE_PTR || type->type == MONO_TYPE_FNPTR) {
10812 return sizeof (gpointer);
10813 } else if (layout == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
10815 MonoException *exc;
10817 msg = g_strdup_printf ("Type %s cannot be marshaled as an unmanaged structure.", klass->name);
10818 exc = mono_get_exception_argument ("t", msg);
10820 mono_set_pending_exception (exc);
10824 return mono_class_native_size (klass, NULL);
10828 ves_icall_System_Runtime_InteropServices_Marshal_StructureToPtr (MonoObject *obj, gpointer dst, MonoBoolean delete_old)
10831 MonoMethod *method;
10834 MONO_CHECK_ARG_NULL (obj,);
10835 MONO_CHECK_ARG_NULL (dst,);
10837 method = mono_marshal_get_struct_to_ptr (obj->vtable->klass);
10841 pa [2] = &delete_old;
10843 mono_runtime_invoke_checked (method, NULL, pa, &error);
10844 if (!mono_error_ok (&error))
10845 mono_error_set_pending_exception (&error);
10849 ptr_to_structure (gpointer src, MonoObject *dst, MonoError *error)
10851 MonoMethod *method;
10854 mono_error_init (error);
10856 method = mono_marshal_get_ptr_to_struct (dst->vtable->klass);
10861 mono_runtime_invoke_checked (method, NULL, pa, error);
10865 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure (gpointer src, MonoObject *dst)
10870 MONO_CHECK_ARG_NULL (src,);
10871 MONO_CHECK_ARG_NULL (dst,);
10873 t = mono_type_get_underlying_type (mono_class_get_type (dst->vtable->klass));
10875 if (t->type == MONO_TYPE_VALUETYPE) {
10876 MonoException *exc;
10879 tmp = g_strdup_printf ("Destination is a boxed value type.");
10880 exc = mono_get_exception_argument ("dst", tmp);
10883 mono_set_pending_exception (exc);
10887 ptr_to_structure (src, dst, &error);
10888 if (!mono_error_ok (&error))
10889 mono_error_set_pending_exception (&error);
10893 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure_type (gpointer src, MonoReflectionType *type)
10897 MonoDomain *domain = mono_domain_get ();
10902 MONO_CHECK_ARG_NULL (type, NULL);
10904 klass = mono_class_from_mono_type (type->type);
10905 if (!mono_class_init (klass)) {
10906 mono_set_pending_exception (mono_class_get_exception_for_failure (klass));
10910 res = mono_object_new_checked (domain, klass, &error);
10911 if (!mono_error_ok (&error)) {
10912 mono_error_set_pending_exception (&error);
10916 ptr_to_structure (src, res, &error);
10917 if (!mono_error_ok (&error)) {
10918 mono_error_set_pending_exception (&error);
10926 ves_icall_System_Runtime_InteropServices_Marshal_OffsetOf (MonoReflectionType *type, MonoString *field_name)
10929 MonoMarshalType *info;
10932 int match_index = -1;
10934 MONO_CHECK_ARG_NULL (type, 0);
10935 MONO_CHECK_ARG_NULL (field_name, 0);
10937 fname = mono_string_to_utf8_checked (field_name, &error);
10938 if (mono_error_set_pending_exception (&error))
10940 klass = mono_class_from_mono_type (type->type);
10941 if (!mono_class_init (klass)) {
10942 mono_set_pending_exception (mono_class_get_exception_for_failure (klass));
10946 while (klass && match_index == -1) {
10947 MonoClassField* field;
10949 gpointer iter = NULL;
10950 while ((field = mono_class_get_fields (klass, &iter))) {
10951 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
10953 if (!strcmp (fname, mono_field_get_name (field))) {
10960 if (match_index == -1)
10961 klass = klass->parent;
10966 if(match_index == -1) {
10967 MonoException* exc;
10970 /* Get back original class instance */
10971 klass = mono_class_from_mono_type (type->type);
10973 tmp = g_strdup_printf ("Field passed in is not a marshaled member of the type %s", klass->name);
10974 exc = mono_get_exception_argument ("fieldName", tmp);
10977 mono_set_pending_exception ((MonoException*)exc);
10981 info = mono_marshal_load_type_info (klass);
10982 return info->fields [match_index].offset;
10987 ves_icall_System_Runtime_InteropServices_Marshal_StringToHGlobalAnsi (MonoString *string)
10990 char *ret = mono_string_to_utf8_checked (string, &error);
10991 mono_error_set_pending_exception (&error);
10996 ves_icall_System_Runtime_InteropServices_Marshal_StringToHGlobalUni (MonoString *string)
10998 if (string == NULL)
11001 gunichar2 *res = (gunichar2 *)g_malloc ((mono_string_length (string) + 1) * 2);
11003 memcpy (res, mono_string_chars (string), mono_string_length (string) * 2);
11004 res [mono_string_length (string)] = 0;
11008 #endif /* !HOST_WIN32 */
11011 mono_struct_delete_old (MonoClass *klass, char *ptr)
11013 MonoMarshalType *info;
11016 info = mono_marshal_load_type_info (klass);
11018 for (i = 0; i < info->num_fields; i++) {
11019 MonoMarshalConv conv;
11020 MonoType *ftype = info->fields [i].field->type;
11023 if (ftype->attrs & FIELD_ATTRIBUTE_STATIC)
11026 mono_type_to_unmanaged (ftype, info->fields [i].mspec, TRUE,
11027 klass->unicode, &conv);
11029 cpos = ptr + info->fields [i].offset;
11032 case MONO_MARSHAL_CONV_NONE:
11033 if (MONO_TYPE_ISSTRUCT (ftype)) {
11034 mono_struct_delete_old (ftype->data.klass, cpos);
11038 case MONO_MARSHAL_CONV_STR_LPWSTR:
11039 /* We assume this field points inside a MonoString */
11041 case MONO_MARSHAL_CONV_STR_LPTSTR:
11042 #ifdef TARGET_WIN32
11043 /* We assume this field points inside a MonoString
11047 case MONO_MARSHAL_CONV_STR_LPSTR:
11048 case MONO_MARSHAL_CONV_STR_BSTR:
11049 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
11050 case MONO_MARSHAL_CONV_STR_TBSTR:
11051 case MONO_MARSHAL_CONV_STR_UTF8STR:
11052 mono_marshal_free (*(gpointer *)cpos);
11062 ves_icall_System_Runtime_InteropServices_Marshal_DestroyStructure (gpointer src, MonoReflectionType *type)
11066 MONO_CHECK_ARG_NULL (src,);
11067 MONO_CHECK_ARG_NULL (type,);
11069 klass = mono_class_from_mono_type (type->type);
11070 if (!mono_class_init (klass)) {
11071 mono_set_pending_exception (mono_class_get_exception_for_failure (klass));
11075 mono_struct_delete_old (klass, (char *)src);
11079 static inline void *
11080 mono_marshal_alloc_hglobal (size_t size)
11082 return g_try_malloc (size);
11087 ves_icall_System_Runtime_InteropServices_Marshal_AllocHGlobal (gpointer size)
11090 size_t s = (size_t)size;
11093 /* This returns a valid pointer for size 0 on MS.NET */
11096 res = mono_marshal_alloc_hglobal (s);
11099 mono_set_pending_exception (mono_domain_get ()->out_of_memory_ex);
11107 static inline gpointer
11108 mono_marshal_realloc_hglobal (gpointer ptr, size_t size)
11110 return g_try_realloc (ptr, size);
11115 ves_icall_System_Runtime_InteropServices_Marshal_ReAllocHGlobal (gpointer ptr, gpointer size)
11118 size_t s = (size_t)size;
11121 mono_set_pending_exception (mono_domain_get ()->out_of_memory_ex);
11125 res = mono_marshal_realloc_hglobal (ptr, s);
11128 mono_set_pending_exception (mono_domain_get ()->out_of_memory_ex);
11137 mono_marshal_free_hglobal (gpointer ptr)
11145 ves_icall_System_Runtime_InteropServices_Marshal_FreeHGlobal (void *ptr)
11147 mono_marshal_free_hglobal (ptr);
11151 ves_icall_System_Runtime_InteropServices_Marshal_AllocCoTaskMem (int 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_AllocCoTaskMemSize (gulong size)
11165 void *res = mono_marshal_alloc_co_task_mem (size);
11168 mono_set_pending_exception (mono_domain_get ()->out_of_memory_ex);
11175 ves_icall_System_Runtime_InteropServices_Marshal_FreeCoTaskMem (void *ptr)
11177 mono_marshal_free_co_task_mem (ptr);
11182 static inline gpointer
11183 mono_marshal_realloc_co_task_mem (gpointer ptr, size_t size)
11185 return g_try_realloc (ptr, (gulong)size);
11190 ves_icall_System_Runtime_InteropServices_Marshal_ReAllocCoTaskMem (gpointer ptr, int size)
11192 void *res = mono_marshal_realloc_co_task_mem (ptr, size);
11195 mono_set_pending_exception (mono_domain_get ()->out_of_memory_ex);
11202 ves_icall_System_Runtime_InteropServices_Marshal_UnsafeAddrOfPinnedArrayElement (MonoArray *arrayobj, int index)
11204 return mono_array_addr_with_size_fast (arrayobj, mono_array_element_size (arrayobj->obj.vtable->klass), index);
11208 ves_icall_System_Runtime_InteropServices_Marshal_GetDelegateForFunctionPointerInternal (void *ftn, MonoReflectionType *type)
11210 MonoClass *klass = mono_type_get_class (type->type);
11211 if (!mono_class_init (klass)) {
11212 mono_set_pending_exception (mono_class_get_exception_for_failure (klass));
11216 return mono_ftnptr_to_delegate (klass, ftn);
11220 ves_icall_System_Runtime_InteropServices_Marshal_GetFunctionPointerForDelegateInternal (MonoDelegate *delegate)
11222 return mono_delegate_to_ftnptr (delegate);
11226 * mono_marshal_is_loading_type_info:
11228 * Return whenever mono_marshal_load_type_info () is being executed for KLASS by this
11232 mono_marshal_is_loading_type_info (MonoClass *klass)
11234 GSList *loads_list = (GSList *)mono_native_tls_get_value (load_type_info_tls_id);
11236 return g_slist_find (loads_list, klass) != NULL;
11240 * mono_marshal_load_type_info:
11242 * Initialize klass::marshal_info using information from metadata. This function can
11243 * recursively call itself, and the caller is responsible to avoid that by calling
11244 * mono_marshal_is_loading_type_info () beforehand.
11246 * LOCKING: Acquires the loader lock.
11249 mono_marshal_load_type_info (MonoClass* klass)
11252 guint32 native_size = 0, min_align = 1, packing;
11253 MonoMarshalType *info;
11254 MonoClassField* field;
11257 GSList *loads_list;
11259 g_assert (klass != NULL);
11261 info = mono_class_get_marshal_info (klass);
11265 if (!klass->inited)
11266 mono_class_init (klass);
11268 info = mono_class_get_marshal_info (klass);
11273 * This function can recursively call itself, so we keep the list of classes which are
11274 * under initialization in a TLS list.
11276 g_assert (!mono_marshal_is_loading_type_info (klass));
11277 loads_list = (GSList *)mono_native_tls_get_value (load_type_info_tls_id);
11278 loads_list = g_slist_prepend (loads_list, klass);
11279 mono_native_tls_set_value (load_type_info_tls_id, loads_list);
11282 while ((field = mono_class_get_fields (klass, &iter))) {
11283 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
11285 if (mono_field_is_deleted (field))
11290 layout = mono_class_get_flags (klass) & TYPE_ATTRIBUTE_LAYOUT_MASK;
11292 /* The mempool is protected by the loader lock */
11293 info = (MonoMarshalType *)mono_image_alloc0 (klass->image, MONO_SIZEOF_MARSHAL_TYPE + sizeof (MonoMarshalField) * count);
11294 info->num_fields = count;
11296 /* Try to find a size for this type in metadata */
11297 mono_metadata_packing_from_typedef (klass->image, klass->type_token, NULL, &native_size);
11299 if (klass->parent) {
11300 int parent_size = mono_class_native_size (klass->parent, NULL);
11302 /* Add parent size to real size */
11303 native_size += parent_size;
11304 info->native_size = parent_size;
11307 packing = klass->packing_size ? klass->packing_size : 8;
11310 while ((field = mono_class_get_fields (klass, &iter))) {
11314 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
11317 if (mono_field_is_deleted (field))
11319 if (field->type->attrs & FIELD_ATTRIBUTE_HAS_FIELD_MARSHAL)
11320 mono_metadata_field_info_with_mempool (klass->image, mono_metadata_token_index (mono_class_get_field_token (field)) - 1,
11321 NULL, NULL, &info->fields [j].mspec);
11323 info->fields [j].field = field;
11325 if ((mono_class_num_fields (klass) == 1) && (klass->instance_size == sizeof (MonoObject)) &&
11326 (strcmp (mono_field_get_name (field), "$PRIVATE$") == 0)) {
11327 /* This field is a hack inserted by MCS to empty structures */
11332 case TYPE_ATTRIBUTE_AUTO_LAYOUT:
11333 case TYPE_ATTRIBUTE_SEQUENTIAL_LAYOUT:
11334 size = mono_marshal_type_size (field->type, info->fields [j].mspec,
11335 &align, TRUE, klass->unicode);
11336 align = klass->packing_size ? MIN (klass->packing_size, align): align;
11337 min_align = MAX (align, min_align);
11338 info->fields [j].offset = info->native_size;
11339 info->fields [j].offset += align - 1;
11340 info->fields [j].offset &= ~(align - 1);
11341 info->native_size = info->fields [j].offset + size;
11343 case TYPE_ATTRIBUTE_EXPLICIT_LAYOUT:
11344 size = mono_marshal_type_size (field->type, info->fields [j].mspec,
11345 &align, TRUE, klass->unicode);
11346 min_align = MAX (align, min_align);
11347 info->fields [j].offset = field->offset - sizeof (MonoObject);
11348 info->native_size = MAX (info->native_size, info->fields [j].offset + size);
11354 if (klass->byval_arg.type == MONO_TYPE_PTR)
11355 info->native_size = sizeof (gpointer);
11357 if (layout != TYPE_ATTRIBUTE_AUTO_LAYOUT) {
11358 info->native_size = MAX (native_size, info->native_size);
11360 * If the provided Size is equal or larger than the calculated size, and there
11361 * was no Pack attribute, we set min_align to 1 to avoid native_size being increased
11363 if (layout == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) {
11364 if (native_size && native_size == info->native_size && klass->packing_size == 0)
11367 min_align = MIN (min_align, packing);
11371 if (info->native_size & (min_align - 1)) {
11372 info->native_size += min_align - 1;
11373 info->native_size &= ~(min_align - 1);
11376 info->min_align = min_align;
11378 /* Update the class's blittable info, if the layouts don't match */
11379 if (info->native_size != mono_class_value_size (klass, NULL))
11380 klass->blittable = FALSE;
11382 /* If this is an array type, ensure that we have element info */
11383 if (klass->rank && !mono_marshal_is_loading_type_info (klass->element_class)) {
11384 mono_marshal_load_type_info (klass->element_class);
11387 loads_list = (GSList *)mono_native_tls_get_value (load_type_info_tls_id);
11388 loads_list = g_slist_remove (loads_list, klass);
11389 mono_native_tls_set_value (load_type_info_tls_id, loads_list);
11391 mono_marshal_lock ();
11392 MonoMarshalType *info2 = mono_class_get_marshal_info (klass);
11394 /*We do double-checking locking on marshal_info */
11395 mono_memory_barrier ();
11396 mono_class_set_marshal_info (klass, info);
11397 ++class_marshal_info_count;
11400 mono_marshal_unlock ();
11406 * mono_class_native_size:
11409 * Returns: the native size of an object instance (when marshaled
11410 * to unmanaged code)
11413 mono_class_native_size (MonoClass *klass, guint32 *align)
11415 MonoMarshalType *info = mono_class_get_marshal_info (klass);
11417 if (mono_marshal_is_loading_type_info (klass)) {
11422 mono_marshal_load_type_info (klass);
11424 info = mono_class_get_marshal_info (klass);
11428 *align = info->min_align;
11430 return info->native_size;
11434 * mono_type_native_stack_size:
11435 * @t: the type to return the size it uses on the stack
11437 * Returns: the number of bytes required to hold an instance of this
11438 * type on the native stack
11441 mono_type_native_stack_size (MonoType *t, guint32 *align)
11445 g_assert (t != NULL);
11451 *align = sizeof (gpointer);
11452 return sizeof (gpointer);
11456 case MONO_TYPE_BOOLEAN:
11457 case MONO_TYPE_CHAR:
11468 case MONO_TYPE_STRING:
11469 case MONO_TYPE_OBJECT:
11470 case MONO_TYPE_CLASS:
11471 case MONO_TYPE_SZARRAY:
11472 case MONO_TYPE_PTR:
11473 case MONO_TYPE_FNPTR:
11474 case MONO_TYPE_ARRAY:
11475 *align = sizeof (gpointer);
11476 return sizeof (gpointer);
11481 *align = MONO_ABI_ALIGNOF (double);
11485 *align = MONO_ABI_ALIGNOF (gint64);
11487 case MONO_TYPE_GENERICINST:
11488 if (!mono_type_generic_inst_is_valuetype (t)) {
11489 *align = sizeof (gpointer);
11490 return sizeof (gpointer);
11493 case MONO_TYPE_TYPEDBYREF:
11494 case MONO_TYPE_VALUETYPE: {
11496 MonoClass *klass = mono_class_from_mono_type (t);
11498 if (klass->enumtype)
11499 return mono_type_native_stack_size (mono_class_enum_basetype (klass), align);
11501 size = mono_class_native_size (klass, align);
11502 *align = *align + 3;
11512 g_error ("type 0x%02x unknown", t->type);
11518 mono_marshal_type_size (MonoType *type, MonoMarshalSpec *mspec, guint32 *align,
11519 gboolean as_field, gboolean unicode)
11521 MonoMarshalNative native_type = mono_type_to_unmanaged (type, mspec, as_field, unicode, NULL);
11524 switch (native_type) {
11525 case MONO_NATIVE_BOOLEAN:
11528 case MONO_NATIVE_I1:
11529 case MONO_NATIVE_U1:
11532 case MONO_NATIVE_I2:
11533 case MONO_NATIVE_U2:
11534 case MONO_NATIVE_VARIANTBOOL:
11537 case MONO_NATIVE_I4:
11538 case MONO_NATIVE_U4:
11539 case MONO_NATIVE_ERROR:
11542 case MONO_NATIVE_I8:
11543 case MONO_NATIVE_U8:
11544 *align = MONO_ABI_ALIGNOF (gint64);
11546 case MONO_NATIVE_R4:
11549 case MONO_NATIVE_R8:
11550 *align = MONO_ABI_ALIGNOF (double);
11552 case MONO_NATIVE_INT:
11553 case MONO_NATIVE_UINT:
11554 case MONO_NATIVE_LPSTR:
11555 case MONO_NATIVE_LPWSTR:
11556 case MONO_NATIVE_LPTSTR:
11557 case MONO_NATIVE_BSTR:
11558 case MONO_NATIVE_ANSIBSTR:
11559 case MONO_NATIVE_TBSTR:
11560 case MONO_NATIVE_UTF8STR:
11561 case MONO_NATIVE_LPARRAY:
11562 case MONO_NATIVE_SAFEARRAY:
11563 case MONO_NATIVE_IUNKNOWN:
11564 case MONO_NATIVE_IDISPATCH:
11565 case MONO_NATIVE_INTERFACE:
11566 case MONO_NATIVE_ASANY:
11567 case MONO_NATIVE_FUNC:
11568 case MONO_NATIVE_LPSTRUCT:
11569 *align = MONO_ABI_ALIGNOF (gpointer);
11570 return sizeof (gpointer);
11571 case MONO_NATIVE_STRUCT:
11572 klass = mono_class_from_mono_type (type);
11573 if (klass == mono_defaults.object_class &&
11574 (mspec && mspec->native == MONO_NATIVE_STRUCT)) {
11578 return mono_class_native_size (klass, align);
11579 case MONO_NATIVE_BYVALTSTR: {
11580 int esize = unicode ? 2: 1;
11583 return mspec->data.array_data.num_elem * esize;
11585 case MONO_NATIVE_BYVALARRAY: {
11586 // FIXME: Have to consider ArraySubType
11588 klass = mono_class_from_mono_type (type);
11589 if (klass->element_class == mono_defaults.char_class) {
11590 esize = unicode ? 2 : 1;
11593 esize = mono_class_native_size (klass->element_class, align);
11596 return mspec->data.array_data.num_elem * esize;
11598 case MONO_NATIVE_CUSTOM:
11599 *align = sizeof (gpointer);
11600 return sizeof (gpointer);
11602 case MONO_NATIVE_CURRENCY:
11603 case MONO_NATIVE_VBBYREFSTR:
11605 g_error ("native type %02x not implemented", native_type);
11608 g_assert_not_reached ();
11612 /* This is a JIT icall, it sets the pending exception and return NULL on error */
11614 mono_marshal_asany (MonoObject *o, MonoMarshalNative string_encoding, int param_attrs)
11623 t = &o->vtable->klass->byval_arg;
11627 case MONO_TYPE_PTR:
11630 case MONO_TYPE_BOOLEAN:
11633 case MONO_TYPE_CHAR:
11638 return mono_object_unbox (o);
11640 case MONO_TYPE_STRING:
11641 switch (string_encoding) {
11642 case MONO_NATIVE_LPWSTR:
11643 return mono_marshal_string_to_utf16_copy ((MonoString*)o);
11644 case MONO_NATIVE_LPSTR:
11645 case MONO_NATIVE_UTF8STR:
11646 // Same code path, because in Mono, we treated strings as Utf8
11647 return mono_string_to_utf8str ((MonoString*)o);
11649 g_warning ("marshaling conversion %d not implemented", string_encoding);
11650 g_assert_not_reached ();
11653 case MONO_TYPE_CLASS:
11654 case MONO_TYPE_VALUETYPE: {
11655 MonoMethod *method;
11658 MonoBoolean delete_old = FALSE;
11660 klass = t->data.klass;
11662 if (mono_class_is_auto_layout (klass))
11665 if (klass->valuetype && (mono_class_is_explicit_layout (klass) || klass->blittable || klass->enumtype))
11666 return mono_object_unbox (o);
11668 res = mono_marshal_alloc (mono_class_native_size (klass, NULL), &error);
11669 if (!mono_error_ok (&error)) {
11670 mono_error_set_pending_exception (&error);
11674 if (!((param_attrs & PARAM_ATTRIBUTE_OUT) && !(param_attrs & PARAM_ATTRIBUTE_IN))) {
11675 method = mono_marshal_get_struct_to_ptr (o->vtable->klass);
11679 pa [2] = &delete_old;
11681 mono_runtime_invoke_checked (method, NULL, pa, &error);
11682 if (!mono_error_ok (&error)) {
11683 mono_error_set_pending_exception (&error);
11693 mono_set_pending_exception (mono_get_exception_argument ("", "No PInvoke conversion exists for value passed to Object-typed parameter."));
11697 /* This is a JIT icall, it sets the pending exception */
11699 mono_marshal_free_asany (MonoObject *o, gpointer ptr, MonoMarshalNative string_encoding, int param_attrs)
11708 t = &o->vtable->klass->byval_arg;
11710 case MONO_TYPE_STRING:
11711 switch (string_encoding) {
11712 case MONO_NATIVE_LPWSTR:
11713 case MONO_NATIVE_LPSTR:
11714 case MONO_NATIVE_UTF8STR:
11715 mono_marshal_free (ptr);
11718 g_warning ("marshaling conversion %d not implemented", string_encoding);
11719 g_assert_not_reached ();
11722 case MONO_TYPE_CLASS:
11723 case MONO_TYPE_VALUETYPE: {
11724 klass = t->data.klass;
11726 if (klass->valuetype && (mono_class_is_explicit_layout (klass) || klass->blittable || klass->enumtype))
11729 if (param_attrs & PARAM_ATTRIBUTE_OUT) {
11730 MonoMethod *method = mono_marshal_get_ptr_to_struct (o->vtable->klass);
11736 mono_runtime_invoke_checked (method, NULL, pa, &error);
11737 if (!mono_error_ok (&error)) {
11738 mono_error_set_pending_exception (&error);
11743 if (!((param_attrs & PARAM_ATTRIBUTE_OUT) && !(param_attrs & PARAM_ATTRIBUTE_IN))) {
11744 mono_struct_delete_old (klass, (char *)ptr);
11747 mono_marshal_free (ptr);
11756 mono_marshal_get_generic_array_helper (MonoClass *klass, MonoClass *iface, gchar *name, MonoMethod *method)
11758 MonoMethodSignature *sig, *csig;
11759 MonoMethodBuilder *mb;
11764 mb = mono_mb_new_no_dup_name (klass, name, MONO_WRAPPER_MANAGED_TO_MANAGED);
11765 mb->method->slot = -1;
11767 mb->method->flags = METHOD_ATTRIBUTE_PRIVATE | METHOD_ATTRIBUTE_VIRTUAL |
11768 METHOD_ATTRIBUTE_NEW_SLOT | METHOD_ATTRIBUTE_HIDE_BY_SIG | METHOD_ATTRIBUTE_FINAL;
11770 sig = mono_method_signature (method);
11771 csig = mono_metadata_signature_dup_full (method->klass->image, sig);
11772 csig->generic_param_count = 0;
11774 #ifndef DISABLE_JIT
11775 mono_mb_emit_ldarg (mb, 0);
11776 for (i = 0; i < csig->param_count; i++)
11777 mono_mb_emit_ldarg (mb, i + 1);
11778 mono_mb_emit_managed_call (mb, method, NULL);
11779 mono_mb_emit_byte (mb, CEE_RET);
11781 /* We can corlib internal methods */
11782 mb->skip_visibility = TRUE;
11784 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_GENERIC_ARRAY_HELPER);
11785 info->d.generic_array_helper.method = method;
11786 res = mono_mb_create (mb, csig, csig->param_count + 16, info);
11794 * The mono_win32_compat_* functions are implementations of inline
11795 * Windows kernel32 APIs, which are DllImport-able under MS.NET,
11796 * although not exported by kernel32.
11798 * We map the appropiate kernel32 entries to these functions using
11799 * dllmaps declared in the global etc/mono/config.
11803 mono_win32_compat_CopyMemory (gpointer dest, gconstpointer source, gsize length)
11805 if (!dest || !source)
11808 memcpy (dest, source, length);
11812 mono_win32_compat_FillMemory (gpointer dest, gsize length, guchar fill)
11814 memset (dest, fill, length);
11818 mono_win32_compat_MoveMemory (gpointer dest, gconstpointer source, gsize length)
11820 if (!dest || !source)
11823 memmove (dest, source, length);
11827 mono_win32_compat_ZeroMemory (gpointer dest, gsize length)
11829 memset (dest, 0, length);
11833 mono_marshal_find_nonzero_bit_offset (guint8 *buf, int len, int *byte_offset, guint8 *bitmask)
11838 for (i = 0; i < len; ++i)
11842 g_assert (i < len);
11845 while (byte && !(byte & 1))
11847 g_assert (byte == 1);
11850 *bitmask = buf [i];
11854 mono_marshal_get_thunk_invoke_wrapper (MonoMethod *method)
11856 MonoMethodBuilder *mb;
11857 MonoMethodSignature *sig, *csig;
11858 MonoExceptionClause *clause;
11863 int i, param_count, sig_size, pos_leave;
11867 // FIXME: we need to store the exception into a MonoHandle
11868 g_assert (!mono_threads_is_coop_enabled ());
11870 klass = method->klass;
11871 image = method->klass->image;
11873 cache = get_cache (&mono_method_get_wrapper_cache (method)->thunk_invoke_cache, mono_aligned_addr_hash, NULL);
11875 if ((res = mono_marshal_find_in_cache (cache, method)))
11878 sig = mono_method_signature (method);
11879 mb = mono_mb_new (klass, method->name, MONO_WRAPPER_NATIVE_TO_MANAGED);
11881 /* add "this" and exception param */
11882 param_count = sig->param_count + sig->hasthis + 1;
11884 /* dup & extend signature */
11885 csig = mono_metadata_signature_alloc (image, param_count);
11886 sig_size = MONO_SIZEOF_METHOD_SIGNATURE + sig->param_count * sizeof (MonoType *);
11887 memcpy (csig, sig, sig_size);
11888 csig->param_count = param_count;
11891 csig->call_convention = MONO_CALL_DEFAULT;
11893 if (sig->hasthis) {
11895 csig->params [0] = &klass->byval_arg;
11896 /* move params up by one */
11897 for (i = 0; i < sig->param_count; i++)
11898 csig->params [i + 1] = sig->params [i];
11901 /* setup exception param as byref+[out] */
11902 csig->params [param_count - 1] = mono_metadata_type_dup (image,
11903 &mono_defaults.exception_class->byval_arg);
11904 csig->params [param_count - 1]->byref = 1;
11905 csig->params [param_count - 1]->attrs = PARAM_ATTRIBUTE_OUT;
11907 /* convert struct return to object */
11908 if (MONO_TYPE_ISSTRUCT (sig->ret))
11909 csig->ret = &mono_defaults.object_class->byval_arg;
11911 #ifndef DISABLE_JIT
11912 /* local 0 (temp for exception object) */
11913 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
11915 /* local 1 (temp for result) */
11916 if (!MONO_TYPE_IS_VOID (sig->ret))
11917 mono_mb_add_local (mb, sig->ret);
11919 /* clear exception arg */
11920 mono_mb_emit_ldarg (mb, param_count - 1);
11921 mono_mb_emit_byte (mb, CEE_LDNULL);
11922 mono_mb_emit_byte (mb, CEE_STIND_REF);
11925 clause = (MonoExceptionClause *)mono_image_alloc0 (image, sizeof (MonoExceptionClause));
11926 clause->try_offset = mono_mb_get_label (mb);
11928 /* push method's args */
11929 for (i = 0; i < param_count - 1; i++) {
11933 mono_mb_emit_ldarg (mb, i);
11935 /* get the byval type of the param */
11936 klass = mono_class_from_mono_type (csig->params [i]);
11937 type = &klass->byval_arg;
11939 /* unbox struct args */
11940 if (MONO_TYPE_ISSTRUCT (type)) {
11941 mono_mb_emit_op (mb, CEE_UNBOX, klass);
11943 /* byref args & and the "this" arg must remain a ptr.
11944 Otherwise make a copy of the value type */
11945 if (!(csig->params [i]->byref || (i == 0 && sig->hasthis)))
11946 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
11948 csig->params [i] = &mono_defaults.object_class->byval_arg;
11953 if (method->flags & METHOD_ATTRIBUTE_VIRTUAL)
11954 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
11956 mono_mb_emit_op (mb, CEE_CALL, method);
11958 /* save result at local 1 */
11959 if (!MONO_TYPE_IS_VOID (sig->ret))
11960 mono_mb_emit_stloc (mb, 1);
11962 pos_leave = mono_mb_emit_branch (mb, CEE_LEAVE);
11965 clause->flags = MONO_EXCEPTION_CLAUSE_NONE;
11966 clause->try_len = mono_mb_get_pos (mb) - clause->try_offset;
11967 clause->data.catch_class = mono_defaults.object_class;
11969 clause->handler_offset = mono_mb_get_label (mb);
11971 /* store exception at local 0 */
11972 mono_mb_emit_stloc (mb, 0);
11973 mono_mb_emit_ldarg (mb, param_count - 1);
11974 mono_mb_emit_ldloc (mb, 0);
11975 mono_mb_emit_byte (mb, CEE_STIND_REF);
11976 mono_mb_emit_branch (mb, CEE_LEAVE);
11978 clause->handler_len = mono_mb_get_pos (mb) - clause->handler_offset;
11980 mono_mb_set_clauses (mb, 1, clause);
11982 mono_mb_patch_branch (mb, pos_leave);
11985 if (!MONO_TYPE_IS_VOID (sig->ret)) {
11986 mono_mb_emit_ldloc (mb, 1);
11988 /* box the return value */
11989 if (MONO_TYPE_ISSTRUCT (sig->ret))
11990 mono_mb_emit_op (mb, CEE_BOX, mono_class_from_mono_type (sig->ret));
11993 mono_mb_emit_byte (mb, CEE_RET);
11996 res = mono_mb_create_and_cache (cache, method, mb, csig, param_count + 16);
12003 * mono_marshal_free_dynamic_wrappers:
12005 * Free wrappers of the dynamic method METHOD.
12008 mono_marshal_free_dynamic_wrappers (MonoMethod *method)
12010 MonoImage *image = method->klass->image;
12012 g_assert (method_is_dynamic (method));
12014 /* This could be called during shutdown */
12015 if (marshal_mutex_initialized)
12016 mono_marshal_lock ();
12018 * FIXME: We currently leak the wrappers. Freeing them would be tricky as
12019 * they could be shared with other methods ?
12021 if (image->wrapper_caches.runtime_invoke_direct_cache)
12022 g_hash_table_remove (image->wrapper_caches.runtime_invoke_direct_cache, method);
12023 if (image->wrapper_caches.delegate_abstract_invoke_cache)
12024 g_hash_table_foreach_remove (image->wrapper_caches.delegate_abstract_invoke_cache, signature_pointer_pair_matches_pointer, method);
12025 // FIXME: Need to clear the caches in other images as well
12026 if (image->delegate_bound_static_invoke_cache)
12027 g_hash_table_remove (image->delegate_bound_static_invoke_cache, mono_method_signature (method));
12029 if (marshal_mutex_initialized)
12030 mono_marshal_unlock ();
12034 mono_marshal_ftnptr_eh_callback (guint32 gchandle)
12036 g_assert (ftnptr_eh_callback);
12037 ftnptr_eh_callback (gchandle);
12041 ftnptr_eh_callback_default (guint32 gchandle)
12043 MonoException *exc;
12044 gpointer stackdata;
12046 mono_threads_enter_gc_unsafe_region_unbalanced (&stackdata);
12048 exc = (MonoException*) mono_gchandle_get_target (gchandle);
12050 mono_gchandle_free (gchandle);
12052 mono_raise_exception (exc);
12056 * mono_install_ftnptr_eh_callback:
12058 * Install a callback that should be called when there is a managed exception
12059 * in a native-to-managed wrapper. This is mainly used by iOS to convert a
12060 * managed exception to a native exception, to properly unwind the native
12061 * stack; this native exception will then be converted back to a managed
12062 * exception in their managed-to-native wrapper.
12065 mono_install_ftnptr_eh_callback (MonoFtnPtrEHCallback callback)
12067 ftnptr_eh_callback = callback;
12070 static MonoThreadInfo*
12071 mono_icall_start (HandleStackMark *stackmark, MonoError *error)
12073 MonoThreadInfo *info = mono_thread_info_current ();
12075 mono_stack_mark_init (info, stackmark);
12076 mono_error_init (error);
12081 mono_icall_end (MonoThreadInfo *info, HandleStackMark *stackmark, MonoError *error)
12083 mono_stack_mark_pop (info, stackmark);
12084 mono_error_set_pending_exception (error);