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.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_is_transparent_proxy (delegate->target)) {
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_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:
2630 return MONO_MARSHAL_CONV_LPTSTR_STR;
2631 case MONO_NATIVE_BSTR:
2632 return MONO_MARSHAL_CONV_BSTR_STR;
2634 return MONO_MARSHAL_CONV_INVALID;
2638 static MonoMarshalConv
2639 mono_marshal_get_ptr_to_stringbuilder_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec, gboolean *need_free)
2641 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
2646 case MONO_NATIVE_LPWSTR:
2648 * mono_string_builder_to_utf16 does not allocate a
2649 * new buffer, so no need to free it.
2652 return MONO_MARSHAL_CONV_LPWSTR_SB;
2653 case MONO_NATIVE_UTF8STR:
2654 return MONO_MARSHAL_CONV_UTF8STR_SB;
2655 case MONO_NATIVE_LPSTR:
2656 return MONO_MARSHAL_CONV_LPSTR_SB;
2658 case MONO_NATIVE_LPTSTR:
2659 return MONO_MARSHAL_CONV_LPTSTR_SB;
2662 return MONO_MARSHAL_CONV_INVALID;
2667 * Return whenever a field of a native structure or an array member needs to
2671 mono_marshal_need_free (MonoType *t, MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
2673 MonoMarshalNative encoding;
2676 case MONO_TYPE_VALUETYPE:
2677 /* FIXME: Optimize this */
2679 case MONO_TYPE_OBJECT:
2680 case MONO_TYPE_CLASS:
2681 if (t->data.klass == mono_defaults.stringbuilder_class) {
2683 mono_marshal_get_ptr_to_stringbuilder_conv (piinfo, spec, &need_free);
2687 case MONO_TYPE_STRING:
2688 encoding = mono_marshal_get_string_encoding (piinfo, spec);
2689 return (encoding == MONO_NATIVE_LPWSTR) ? FALSE : TRUE;
2696 * Return the hash table pointed to by VAR, lazily creating it if neccesary.
2699 get_cache (GHashTable **var, GHashFunc hash_func, GCompareFunc equal_func)
2702 mono_marshal_lock ();
2705 g_hash_table_new (hash_func, equal_func);
2706 mono_memory_barrier ();
2709 mono_marshal_unlock ();
2715 mono_marshal_get_cache (GHashTable **var, GHashFunc hash_func, GCompareFunc equal_func)
2717 return get_cache (var, hash_func, equal_func);
2721 mono_marshal_find_in_cache (GHashTable *cache, gpointer key)
2725 mono_marshal_lock ();
2726 res = (MonoMethod *)g_hash_table_lookup (cache, key);
2727 mono_marshal_unlock ();
2734 * Create a MonoMethod from MB, set INFO as wrapper info.
2737 mono_mb_create (MonoMethodBuilder *mb, MonoMethodSignature *sig,
2738 int max_stack, WrapperInfo *info)
2742 res = mono_mb_create_method (mb, sig, max_stack);
2744 mono_marshal_set_wrapper_info (res, info);
2748 /* Create the method from the builder and place it in the cache */
2750 mono_mb_create_and_cache_full (GHashTable *cache, gpointer key,
2751 MonoMethodBuilder *mb, MonoMethodSignature *sig,
2752 int max_stack, WrapperInfo *info, gboolean *out_found)
2759 mono_marshal_lock ();
2760 res = (MonoMethod *)g_hash_table_lookup (cache, key);
2761 mono_marshal_unlock ();
2764 newm = mono_mb_create_method (mb, sig, max_stack);
2765 mono_marshal_lock ();
2766 res = (MonoMethod *)g_hash_table_lookup (cache, key);
2769 g_hash_table_insert (cache, key, res);
2770 mono_marshal_set_wrapper_info (res, info);
2771 mono_marshal_unlock ();
2775 mono_marshal_unlock ();
2776 mono_free_method (newm);
2784 mono_mb_create_and_cache (GHashTable *cache, gpointer key,
2785 MonoMethodBuilder *mb, MonoMethodSignature *sig,
2788 return mono_mb_create_and_cache_full (cache, key, mb, sig, max_stack, NULL, NULL);
2792 mono_marshal_method_from_wrapper (MonoMethod *wrapper)
2795 int wrapper_type = wrapper->wrapper_type;
2798 if (wrapper_type == MONO_WRAPPER_NONE || wrapper_type == MONO_WRAPPER_DYNAMIC_METHOD)
2801 info = mono_marshal_get_wrapper_info (wrapper);
2803 switch (wrapper_type) {
2804 case MONO_WRAPPER_REMOTING_INVOKE:
2805 case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK:
2806 case MONO_WRAPPER_XDOMAIN_INVOKE:
2807 m = info->d.remoting.method;
2808 if (wrapper->is_inflated) {
2812 * A method cannot be inflated and a wrapper at the same time, so the wrapper info
2813 * contains an uninflated method.
2815 result = mono_class_inflate_generic_method_checked (m, mono_method_get_context (wrapper), &error);
2816 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
2820 case MONO_WRAPPER_SYNCHRONIZED:
2821 m = info->d.synchronized.method;
2822 if (wrapper->is_inflated) {
2825 result = mono_class_inflate_generic_method_checked (m, mono_method_get_context (wrapper), &error);
2826 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
2830 case MONO_WRAPPER_UNBOX:
2831 return info->d.unbox.method;
2832 case MONO_WRAPPER_MANAGED_TO_NATIVE:
2833 if (info && (info->subtype == WRAPPER_SUBTYPE_NONE || info->subtype == WRAPPER_SUBTYPE_NATIVE_FUNC_AOT || info->subtype == WRAPPER_SUBTYPE_PINVOKE))
2834 return info->d.managed_to_native.method;
2837 case MONO_WRAPPER_RUNTIME_INVOKE:
2838 if (info && (info->subtype == WRAPPER_SUBTYPE_RUNTIME_INVOKE_DIRECT || info->subtype == WRAPPER_SUBTYPE_RUNTIME_INVOKE_VIRTUAL))
2839 return info->d.runtime_invoke.method;
2842 case MONO_WRAPPER_DELEGATE_INVOKE:
2844 return info->d.delegate_invoke.method;
2853 * mono_marshal_get_wrapper_info:
2855 * Retrieve the WrapperInfo structure associated with WRAPPER.
2858 mono_marshal_get_wrapper_info (MonoMethod *wrapper)
2860 g_assert (wrapper->wrapper_type);
2862 return (WrapperInfo *)mono_method_get_wrapper_data (wrapper, 1);
2866 * mono_marshal_set_wrapper_info:
2868 * Set the WrapperInfo structure associated with the wrapper
2869 * method METHOD to INFO.
2872 mono_marshal_set_wrapper_info (MonoMethod *method, WrapperInfo *info)
2876 if (method->wrapper_type == MONO_WRAPPER_NONE || method->wrapper_type == MONO_WRAPPER_DYNAMIC_METHOD)
2879 datav = (void **)((MonoMethodWrapper *)method)->method_data;
2884 mono_wrapper_info_create (MonoMethodBuilder *mb, WrapperSubtype subtype)
2888 info = (WrapperInfo *)mono_image_alloc0 (mb->method->klass->image, sizeof (WrapperInfo));
2889 info->subtype = subtype;
2894 * get_wrapper_target_class:
2896 * Return the class where a wrapper method should be placed.
2899 get_wrapper_target_class (MonoImage *image)
2906 * - can't put all wrappers into an mscorlib class, because they reference
2907 * metadata (signature) so they should be put into the same image as the
2908 * method they wrap, so they are unloaded together.
2909 * - putting them into a class with a type initalizer could cause the
2910 * initializer to be executed which can be a problem if the wrappers are
2912 * - putting them into an inflated class can cause problems if the the
2913 * class is deleted because it references an image which is unloaded.
2914 * To avoid these problems, we put the wrappers into the <Module> class of
2917 if (image_is_dynamic (image)) {
2918 klass = ((MonoDynamicImage*)image)->wrappers_type;
2920 klass = mono_class_get_checked (image, mono_metadata_make_token (MONO_TABLE_TYPEDEF, 1), &error);
2921 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
2929 * Wrappers for generic methods should be instances of generic wrapper methods, i.e .the wrapper for Sort<int> should be
2930 * an instance of the wrapper for Sort<T>. This is required for full-aot to work.
2934 * check_generic_wrapper_cache:
2936 * Check CACHE for the wrapper of the generic instance ORIG_METHOD, and return it if it is found.
2937 * KEY should be the key for ORIG_METHOD in the cache, while DEF_KEY should be the key of its
2938 * generic method definition.
2941 check_generic_wrapper_cache (GHashTable *cache, MonoMethod *orig_method, gpointer key, gpointer def_key)
2944 MonoMethod *inst, *def;
2945 MonoGenericContext *ctx;
2947 g_assert (orig_method->is_inflated);
2948 ctx = mono_method_get_context (orig_method);
2951 * Look for the instance
2953 res = mono_marshal_find_in_cache (cache, key);
2958 * Look for the definition
2960 def = mono_marshal_find_in_cache (cache, def_key);
2963 inst = mono_class_inflate_generic_method_checked (def, ctx, &error);
2964 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
2966 mono_memory_barrier ();
2967 mono_marshal_lock ();
2968 res = (MonoMethod *)g_hash_table_lookup (cache, key);
2970 g_hash_table_insert (cache, key, inst);
2973 mono_marshal_unlock ();
2980 cache_generic_wrapper (GHashTable *cache, MonoMethod *orig_method, MonoMethod *def, MonoGenericContext *ctx, gpointer key)
2983 MonoMethod *inst, *res;
2986 * We use the same cache for the generic definition and the instances.
2988 inst = mono_class_inflate_generic_method_checked (def, ctx, &error);
2989 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
2990 mono_memory_barrier ();
2991 mono_marshal_lock ();
2992 res = (MonoMethod *)g_hash_table_lookup (cache, key);
2994 g_hash_table_insert (cache, key, inst);
2997 mono_marshal_unlock ();
3002 check_generic_delegate_wrapper_cache (GHashTable *cache, MonoMethod *orig_method, MonoMethod *def_method, MonoGenericContext *ctx)
3006 MonoMethod *inst, *def;
3009 * Look for the instance
3011 res = mono_marshal_find_in_cache (cache, orig_method->klass);
3016 * Look for the definition
3018 def = mono_marshal_find_in_cache (cache, def_method->klass);
3020 inst = mono_class_inflate_generic_method_checked (def, ctx, &error);
3021 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
3024 mono_memory_barrier ();
3025 mono_marshal_lock ();
3026 res = (MonoMethod *)g_hash_table_lookup (cache, orig_method->klass);
3028 g_hash_table_insert (cache, orig_method->klass, inst);
3031 mono_marshal_unlock ();
3038 cache_generic_delegate_wrapper (GHashTable *cache, MonoMethod *orig_method, MonoMethod *def, MonoGenericContext *ctx)
3041 MonoMethod *inst, *res;
3042 WrapperInfo *ginfo, *info;
3045 * We use the same cache for the generic definition and the instances.
3047 inst = mono_class_inflate_generic_method_checked (def, ctx, &error);
3048 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
3050 ginfo = mono_marshal_get_wrapper_info (def);
3052 info = (WrapperInfo *)mono_image_alloc0 (def->klass->image, sizeof (WrapperInfo));
3053 info->subtype = ginfo->subtype;
3054 if (info->subtype == WRAPPER_SUBTYPE_NONE) {
3055 info->d.delegate_invoke.method = mono_class_inflate_generic_method_checked (ginfo->d.delegate_invoke.method, ctx, &error);
3056 mono_error_assert_ok (&error);
3060 mono_memory_barrier ();
3061 mono_marshal_lock ();
3062 res = (MonoMethod *)g_hash_table_lookup (cache, orig_method->klass);
3064 g_hash_table_insert (cache, orig_method->klass, inst);
3067 mono_marshal_unlock ();
3072 mono_marshal_get_delegate_begin_invoke (MonoMethod *method)
3074 MonoMethodSignature *sig;
3075 MonoMethodBuilder *mb;
3080 MonoGenericContext *ctx = NULL;
3081 MonoMethod *orig_method = NULL;
3083 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
3084 !strcmp (method->name, "BeginInvoke"));
3087 * For generic delegates, create a generic wrapper, and returns an instance to help AOT.
3089 if (method->is_inflated) {
3090 orig_method = method;
3091 ctx = &((MonoMethodInflated*)method)->context;
3092 method = ((MonoMethodInflated*)method)->declaring;
3095 sig = mono_signature_no_pinvoke (method);
3101 cache = get_cache (&((MonoMethodInflated*)orig_method)->owner->wrapper_caches.delegate_begin_invoke_cache, mono_aligned_addr_hash, NULL);
3102 res = check_generic_delegate_wrapper_cache (cache, orig_method, method, ctx);
3106 cache = get_cache (&method->klass->image->wrapper_caches.delegate_begin_invoke_cache,
3107 (GHashFunc)mono_signature_hash,
3108 (GCompareFunc)mono_metadata_signature_equal);
3109 if ((res = mono_marshal_find_in_cache (cache, sig)))
3113 g_assert (sig->hasthis);
3115 name = mono_signature_to_name (sig, "begin_invoke");
3117 mb = mono_mb_new (method->klass, name, MONO_WRAPPER_DELEGATE_BEGIN_INVOKE);
3119 mb = mono_mb_new (get_wrapper_target_class (method->klass->image), name, MONO_WRAPPER_DELEGATE_BEGIN_INVOKE);
3123 params_var = mono_mb_emit_save_args (mb, sig, FALSE);
3125 mono_mb_emit_ldarg (mb, 0);
3126 mono_mb_emit_ldloc (mb, params_var);
3127 mono_mb_emit_icall (mb, mono_delegate_begin_invoke);
3128 mono_mb_emit_byte (mb, CEE_RET);
3133 def = mono_mb_create_and_cache (cache, method->klass, mb, sig, sig->param_count + 16);
3134 res = cache_generic_delegate_wrapper (cache, orig_method, def, ctx);
3136 res = mono_mb_create_and_cache (cache, sig, mb, sig, sig->param_count + 16);
3143 /* This is a JIT icall, it sets the pending exception and returns NULL on error. */
3145 mono_delegate_end_invoke (MonoDelegate *delegate, gpointer *params)
3148 MonoDomain *domain = mono_domain_get ();
3149 MonoAsyncResult *ares;
3150 MonoMethod *method = NULL;
3151 MonoMethodSignature *sig;
3152 MonoMethodMessage *msg;
3153 MonoObject *res, *exc;
3154 MonoArray *out_args;
3157 g_assert (delegate);
3159 if (!delegate->method_info) {
3160 g_assert (delegate->method);
3161 MonoReflectionMethod *rm = mono_method_get_object_checked (domain, delegate->method, NULL, &error);
3162 if (!mono_error_ok (&error)) {
3163 mono_error_set_pending_exception (&error);
3166 MONO_OBJECT_SETREF (delegate, method_info, rm);
3169 if (!delegate->method_info || !delegate->method_info->method)
3170 g_assert_not_reached ();
3172 klass = delegate->object.vtable->klass;
3174 method = mono_class_get_method_from_name (klass, "EndInvoke", -1);
3175 g_assert (method != NULL);
3177 sig = mono_signature_no_pinvoke (method);
3179 msg = mono_method_call_message_new (method, params, NULL, NULL, NULL, &error);
3180 if (mono_error_set_pending_exception (&error))
3183 ares = (MonoAsyncResult *)mono_array_get (msg->args, gpointer, sig->param_count - 1);
3185 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."));
3189 if (ares->async_delegate != (MonoObject*)delegate) {
3190 mono_set_pending_exception (mono_get_exception_invalid_operation (
3191 "The IAsyncResult object provided does not match this delegate."));
3195 #ifndef DISABLE_REMOTING
3196 if (delegate->target && mono_object_is_transparent_proxy (delegate->target)) {
3197 MonoTransparentProxy* tp = (MonoTransparentProxy *)delegate->target;
3198 msg = (MonoMethodMessage *)mono_object_new_checked (domain, mono_defaults.mono_method_message_class, &error);
3199 if (!mono_error_ok (&error)) {
3200 mono_error_set_pending_exception (&error);
3203 mono_message_init (domain, msg, delegate->method_info, NULL, &error);
3204 if (mono_error_set_pending_exception (&error))
3206 msg->call_type = CallType_EndInvoke;
3207 MONO_OBJECT_SETREF (msg, async_result, ares);
3208 res = mono_remoting_invoke ((MonoObject *)tp->rp, msg, &exc, &out_args, &error);
3209 if (!mono_error_ok (&error)) {
3210 mono_error_set_pending_exception (&error);
3216 res = mono_threadpool_end_invoke (ares, &out_args, &exc, &error);
3217 if (mono_error_set_pending_exception (&error))
3222 if (((MonoException*)exc)->stack_trace) {
3223 MonoError inner_error;
3224 char *strace = mono_string_to_utf8_checked (((MonoException*)exc)->stack_trace, &inner_error);
3225 if (is_ok (&inner_error)) {
3227 tmp = g_strdup_printf ("%s\nException Rethrown at:\n", strace);
3229 MONO_OBJECT_SETREF (((MonoException*)exc), stack_trace, mono_string_new (domain, tmp));
3232 mono_error_cleanup (&inner_error); /* no stack trace, but at least throw the original exception */
3234 mono_set_pending_exception ((MonoException*)exc);
3237 mono_method_return_message_restore (method, params, out_args, &error);
3238 mono_error_set_pending_exception (&error);
3245 mono_mb_emit_restore_result (MonoMethodBuilder *mb, MonoType *return_type)
3247 MonoType *t = mono_type_get_underlying_type (return_type);
3249 if (return_type->byref)
3250 return_type = &mono_defaults.int_class->byval_arg;
3253 case MONO_TYPE_VOID:
3254 g_assert_not_reached ();
3257 case MONO_TYPE_STRING:
3258 case MONO_TYPE_CLASS:
3259 case MONO_TYPE_OBJECT:
3260 case MONO_TYPE_ARRAY:
3261 case MONO_TYPE_SZARRAY:
3265 case MONO_TYPE_BOOLEAN:
3268 case MONO_TYPE_CHAR:
3278 mono_mb_emit_op (mb, CEE_UNBOX, mono_class_from_mono_type (return_type));
3279 mono_mb_emit_byte (mb, mono_type_to_ldind (return_type));
3281 case MONO_TYPE_GENERICINST:
3282 if (!mono_type_generic_inst_is_valuetype (t))
3285 case MONO_TYPE_VALUETYPE: {
3286 MonoClass *klass = mono_class_from_mono_type (return_type);
3287 mono_mb_emit_op (mb, CEE_UNBOX, klass);
3288 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
3292 case MONO_TYPE_MVAR: {
3293 MonoClass *klass = mono_class_from_mono_type (return_type);
3294 mono_mb_emit_op (mb, CEE_UNBOX_ANY, klass);
3298 g_warning ("type 0x%x not handled", return_type->type);
3299 g_assert_not_reached ();
3302 mono_mb_emit_byte (mb, CEE_RET);
3305 #endif /* DISABLE_JIT */
3308 mono_marshal_get_delegate_end_invoke (MonoMethod *method)
3310 MonoMethodSignature *sig;
3311 MonoMethodBuilder *mb;
3316 MonoGenericContext *ctx = NULL;
3317 MonoMethod *orig_method = NULL;
3319 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
3320 !strcmp (method->name, "EndInvoke"));
3323 * For generic delegates, create a generic wrapper, and returns an instance to help AOT.
3325 if (method->is_inflated) {
3326 orig_method = method;
3327 ctx = &((MonoMethodInflated*)method)->context;
3328 method = ((MonoMethodInflated*)method)->declaring;
3331 sig = mono_signature_no_pinvoke (method);
3337 cache = get_cache (&((MonoMethodInflated*)orig_method)->owner->wrapper_caches.delegate_end_invoke_cache, mono_aligned_addr_hash, NULL);
3338 res = check_generic_delegate_wrapper_cache (cache, orig_method, method, ctx);
3342 cache = get_cache (&method->klass->image->wrapper_caches.delegate_end_invoke_cache,
3343 (GHashFunc)mono_signature_hash,
3344 (GCompareFunc)mono_metadata_signature_equal);
3345 if ((res = mono_marshal_find_in_cache (cache, sig)))
3349 g_assert (sig->hasthis);
3351 name = mono_signature_to_name (sig, "end_invoke");
3353 mb = mono_mb_new (method->klass, name, MONO_WRAPPER_DELEGATE_END_INVOKE);
3355 mb = mono_mb_new (get_wrapper_target_class (method->klass->image), name, MONO_WRAPPER_DELEGATE_END_INVOKE);
3359 params_var = mono_mb_emit_save_args (mb, sig, FALSE);
3361 mono_mb_emit_ldarg (mb, 0);
3362 mono_mb_emit_ldloc (mb, params_var);
3363 mono_mb_emit_icall (mb, mono_delegate_end_invoke);
3365 if (sig->ret->type == MONO_TYPE_VOID) {
3366 mono_mb_emit_byte (mb, CEE_POP);
3367 mono_mb_emit_byte (mb, CEE_RET);
3369 mono_mb_emit_restore_result (mb, sig->ret);
3374 def = mono_mb_create_and_cache (cache, method->klass, mb, sig, sig->param_count + 16);
3375 res = cache_generic_delegate_wrapper (cache, orig_method, def, ctx);
3377 res = mono_mb_create_and_cache (cache, sig,
3378 mb, sig, sig->param_count + 16);
3387 MonoMethodSignature *sig;
3389 } SignaturePointerPair;
3392 signature_pointer_pair_hash (gconstpointer data)
3394 SignaturePointerPair *pair = (SignaturePointerPair*)data;
3396 return mono_signature_hash (pair->sig) ^ mono_aligned_addr_hash (pair->pointer);
3400 signature_pointer_pair_equal (gconstpointer data1, gconstpointer data2)
3402 SignaturePointerPair *pair1 = (SignaturePointerPair*) data1, *pair2 = (SignaturePointerPair*) data2;
3403 return mono_metadata_signature_equal (pair1->sig, pair2->sig) && (pair1->pointer == pair2->pointer);
3407 signature_pointer_pair_matches_pointer (gpointer key, gpointer value, gpointer user_data)
3409 SignaturePointerPair *pair = (SignaturePointerPair*)key;
3411 return pair->pointer == user_data;
3415 free_signature_pointer_pair (SignaturePointerPair *pair)
3421 mono_marshal_get_delegate_invoke_internal (MonoMethod *method, gboolean callvirt, gboolean static_method_with_first_arg_bound, MonoMethod *target_method)
3423 MonoMethodSignature *sig, *static_sig, *invoke_sig;
3425 MonoMethodBuilder *mb;
3428 gpointer cache_key = NULL;
3429 SignaturePointerPair key = { NULL, NULL };
3430 SignaturePointerPair *new_key;
3431 int local_i, local_len, local_delegates, local_d, local_target, local_res;
3432 int pos0, pos1, pos2;
3434 MonoClass *target_class = NULL;
3435 gboolean closed_over_null = FALSE;
3436 MonoGenericContext *ctx = NULL;
3437 MonoGenericContainer *container = NULL;
3438 MonoMethod *orig_method = method;
3440 WrapperSubtype subtype = WRAPPER_SUBTYPE_NONE;
3444 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
3445 !strcmp (method->name, "Invoke"));
3447 invoke_sig = sig = mono_signature_no_pinvoke (method);
3450 * If the delegate target is null, and the target method is not static, a virtual
3451 * call is made to that method with the first delegate argument as this. This is
3452 * a non-documented .NET feature.
3455 subtype = WRAPPER_SUBTYPE_DELEGATE_INVOKE_VIRTUAL;
3456 if (target_method->is_inflated) {
3458 MonoType *target_type;
3460 g_assert (method->signature->hasthis);
3461 target_type = mono_class_inflate_generic_type_checked (method->signature->params [0],
3462 mono_method_get_context (method), &error);
3463 mono_error_assert_ok (&error); /* FIXME don't swallow the error */
3464 target_class = mono_class_from_mono_type (target_type);
3466 target_class = target_method->klass;
3469 closed_over_null = sig->param_count == mono_method_signature (target_method)->param_count;
3472 if (static_method_with_first_arg_bound) {
3473 subtype = WRAPPER_SUBTYPE_DELEGATE_INVOKE_BOUND;
3474 g_assert (!callvirt);
3475 invoke_sig = mono_method_signature (target_method);
3479 * For generic delegates, create a generic wrapper, and return an instance to help AOT.
3481 if (method->is_inflated && subtype == WRAPPER_SUBTYPE_NONE) {
3482 ctx = &((MonoMethodInflated*)method)->context;
3483 method = ((MonoMethodInflated*)method)->declaring;
3485 container = mono_method_get_generic_container (method);
3487 container = mono_class_try_get_generic_container (method->klass); //FIXME is this a case of a try?
3488 g_assert (container);
3490 invoke_sig = sig = mono_signature_no_pinvoke (method);
3497 cache = get_cache (&((MonoMethodInflated*)orig_method)->owner->wrapper_caches.delegate_invoke_cache, mono_aligned_addr_hash, NULL);
3498 res = check_generic_delegate_wrapper_cache (cache, orig_method, method, ctx);
3501 cache_key = method->klass;
3502 } else if (static_method_with_first_arg_bound) {
3503 cache = get_cache (&method->klass->image->delegate_bound_static_invoke_cache,
3504 (GHashFunc)mono_signature_hash,
3505 (GCompareFunc)mono_metadata_signature_equal);
3507 * The wrapper is based on sig+invoke_sig, but sig can be derived from invoke_sig.
3509 res = mono_marshal_find_in_cache (cache, invoke_sig);
3512 cache_key = invoke_sig;
3513 } else if (callvirt) {
3514 GHashTable **cache_ptr;
3516 cache_ptr = &mono_method_get_wrapper_cache (method)->delegate_abstract_invoke_cache;
3518 /* We need to cache the signature+method pair */
3519 mono_marshal_lock ();
3521 *cache_ptr = g_hash_table_new_full (signature_pointer_pair_hash, (GEqualFunc)signature_pointer_pair_equal, (GDestroyNotify)free_signature_pointer_pair, NULL);
3523 key.sig = invoke_sig;
3524 key.pointer = target_method;
3525 res = (MonoMethod *)g_hash_table_lookup (cache, &key);
3526 mono_marshal_unlock ();
3530 // Inflated methods should not be in this cache because it's not stored on the imageset.
3531 g_assert (!method->is_inflated);
3532 cache = get_cache (&method->klass->image->wrapper_caches.delegate_invoke_cache,
3533 (GHashFunc)mono_signature_hash,
3534 (GCompareFunc)mono_metadata_signature_equal);
3535 res = mono_marshal_find_in_cache (cache, sig);
3541 static_sig = mono_metadata_signature_dup_full (method->klass->image, sig);
3542 static_sig->hasthis = 0;
3543 if (!static_method_with_first_arg_bound)
3544 invoke_sig = static_sig;
3546 if (static_method_with_first_arg_bound)
3547 name = mono_signature_to_name (invoke_sig, "invoke_bound");
3548 else if (closed_over_null)
3549 name = mono_signature_to_name (invoke_sig, "invoke_closed_over_null");
3551 name = mono_signature_to_name (invoke_sig, "invoke_callvirt");
3553 name = mono_signature_to_name (invoke_sig, "invoke");
3555 mb = mono_mb_new (method->klass, name, MONO_WRAPPER_DELEGATE_INVOKE);
3557 mb = mono_mb_new (get_wrapper_target_class (method->klass->image), name, MONO_WRAPPER_DELEGATE_INVOKE);
3561 void_ret = sig->ret->type == MONO_TYPE_VOID && !method->string_ctor;
3563 /* allocate local 0 (object) */
3564 local_i = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
3565 local_len = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
3566 local_delegates = mono_mb_add_local (mb, &mono_defaults.array_class->byval_arg);
3567 local_d = mono_mb_add_local (mb, &mono_defaults.multicastdelegate_class->byval_arg);
3568 local_target = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3571 local_res = mono_mb_add_local (mb, &mono_class_from_mono_type (sig->ret)->byval_arg);
3573 g_assert (sig->hasthis);
3576 * {type: sig->ret} res;
3577 * if (delegates == null) {
3578 * return this.<target> ( args .. );
3580 * int i = 0, len = this.delegates.Length;
3582 * res = this.delegates [i].Invoke ( args .. );
3583 * } while (++i < len);
3588 /* this wrapper can be used in unmanaged-managed transitions */
3589 emit_thread_interrupt_checkpoint (mb);
3591 /* delegates = this.delegates */
3592 mono_mb_emit_ldarg (mb, 0);
3593 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoMulticastDelegate, delegates));
3594 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3595 mono_mb_emit_stloc (mb, local_delegates);
3597 /* if (delegates == null) */
3598 mono_mb_emit_ldloc (mb, local_delegates);
3599 pos2 = mono_mb_emit_branch (mb, CEE_BRTRUE);
3601 /* return target.<target_method|method_ptr> ( args .. ); */
3603 /* target = d.target; */
3604 mono_mb_emit_ldarg (mb, 0);
3605 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoDelegate, target));
3606 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3607 mono_mb_emit_stloc (mb, local_target);
3609 /*static methods with bound first arg can have null target and still be bound*/
3610 if (!static_method_with_first_arg_bound) {
3611 /* if target != null */
3612 mono_mb_emit_ldloc (mb, local_target);
3613 pos0 = mono_mb_emit_branch (mb, CEE_BRFALSE);
3615 /* then call this->method_ptr nonstatic */
3618 mono_mb_emit_exception_full (mb, "System", "NotImplementedException", "");
3620 mono_mb_emit_ldloc (mb, local_target);
3621 for (i = 0; i < sig->param_count; ++i)
3622 mono_mb_emit_ldarg (mb, i + 1);
3623 mono_mb_emit_ldarg (mb, 0);
3624 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoDelegate, extra_arg));
3625 mono_mb_emit_byte (mb, CEE_LDIND_I);
3626 mono_mb_emit_ldarg (mb, 0);
3627 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoDelegate, method_ptr));
3628 mono_mb_emit_byte (mb, CEE_LDIND_I);
3629 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3630 mono_mb_emit_op (mb, CEE_MONO_CALLI_EXTRA_ARG, sig);
3631 mono_mb_emit_byte (mb, CEE_RET);
3634 /* else [target == null] call this->method_ptr static */
3635 mono_mb_patch_branch (mb, pos0);
3639 if (!closed_over_null) {
3640 if (target_class->valuetype) {
3641 mono_mb_emit_ldarg (mb, 1);
3642 for (i = 1; i < sig->param_count; ++i)
3643 mono_mb_emit_ldarg (mb, i + 1);
3644 mono_mb_emit_op (mb, CEE_CALL, target_method);
3646 mono_mb_emit_ldarg (mb, 1);
3647 mono_mb_emit_op (mb, CEE_CASTCLASS, target_class);
3648 for (i = 1; i < sig->param_count; ++i)
3649 mono_mb_emit_ldarg (mb, i + 1);
3650 mono_mb_emit_op (mb, CEE_CALLVIRT, target_method);
3653 mono_mb_emit_byte (mb, CEE_LDNULL);
3654 for (i = 0; i < sig->param_count; ++i)
3655 mono_mb_emit_ldarg (mb, i + 1);
3656 mono_mb_emit_op (mb, CEE_CALL, target_method);
3659 if (static_method_with_first_arg_bound) {
3660 mono_mb_emit_ldloc (mb, local_target);
3661 if (!MONO_TYPE_IS_REFERENCE (invoke_sig->params[0]))
3662 mono_mb_emit_op (mb, CEE_UNBOX_ANY, mono_class_from_mono_type (invoke_sig->params[0]));
3664 for (i = 0; i < sig->param_count; ++i)
3665 mono_mb_emit_ldarg (mb, i + 1);
3666 mono_mb_emit_ldarg (mb, 0);
3667 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoDelegate, extra_arg));
3668 mono_mb_emit_byte (mb, CEE_LDIND_I);
3669 mono_mb_emit_ldarg (mb, 0);
3670 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoDelegate, method_ptr));
3671 mono_mb_emit_byte (mb, CEE_LDIND_I);
3672 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3673 mono_mb_emit_op (mb, CEE_MONO_CALLI_EXTRA_ARG, invoke_sig);
3676 mono_mb_emit_byte (mb, CEE_RET);
3678 /* else [delegates != null] */
3679 mono_mb_patch_branch (mb, pos2);
3681 /* len = delegates.Length; */
3682 mono_mb_emit_ldloc (mb, local_delegates);
3683 mono_mb_emit_byte (mb, CEE_LDLEN);
3684 mono_mb_emit_byte (mb, CEE_CONV_I4);
3685 mono_mb_emit_stloc (mb, local_len);
3688 mono_mb_emit_icon (mb, 0);
3689 mono_mb_emit_stloc (mb, local_i);
3691 pos1 = mono_mb_get_label (mb);
3693 /* d = delegates [i]; */
3694 mono_mb_emit_ldloc (mb, local_delegates);
3695 mono_mb_emit_ldloc (mb, local_i);
3696 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3697 mono_mb_emit_stloc (mb, local_d);
3699 /* res = d.Invoke ( args .. ); */
3700 mono_mb_emit_ldloc (mb, local_d);
3701 for (i = 0; i < sig->param_count; i++)
3702 mono_mb_emit_ldarg (mb, i + 1);
3704 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
3707 mono_mb_emit_op (mb, CEE_CALLVIRT, mono_class_inflate_generic_method_checked (method, &container->context, &error));
3708 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
3711 mono_mb_emit_stloc (mb, local_res);
3714 mono_mb_emit_add_to_local (mb, local_i, 1);
3717 mono_mb_emit_ldloc (mb, local_i);
3718 mono_mb_emit_ldloc (mb, local_len);
3719 mono_mb_emit_branch_label (mb, CEE_BLT, pos1);
3723 mono_mb_emit_ldloc (mb, local_res);
3724 mono_mb_emit_byte (mb, CEE_RET);
3726 mb->skip_visibility = 1;
3727 #endif /* DISABLE_JIT */
3729 info = mono_wrapper_info_create (mb, subtype);
3730 info->d.delegate_invoke.method = method;
3735 def = mono_mb_create_and_cache_full (cache, cache_key, mb, sig, sig->param_count + 16, info, NULL);
3736 res = cache_generic_delegate_wrapper (cache, orig_method, def, ctx);
3737 } else if (callvirt) {
3738 new_key = g_new0 (SignaturePointerPair, 1);
3741 res = mono_mb_create_and_cache_full (cache, new_key, mb, sig, sig->param_count + 16, info, &found);
3745 res = mono_mb_create_and_cache_full (cache, cache_key, mb, sig, sig->param_count + 16, info, NULL);
3749 /* mono_method_print_code (res); */
3755 * the returned method invokes all methods in a multicast delegate.
3758 mono_marshal_get_delegate_invoke (MonoMethod *method, MonoDelegate *del)
3760 gboolean callvirt = FALSE;
3761 gboolean static_method_with_first_arg_bound = FALSE;
3762 MonoMethod *target_method = NULL;
3763 MonoMethodSignature *sig;
3765 sig = mono_signature_no_pinvoke (method);
3767 if (del && !del->target && del->method && mono_method_signature (del->method)->hasthis) {
3769 target_method = del->method;
3772 if (del && del->method && mono_method_signature (del->method)->param_count == sig->param_count + 1 && (del->method->flags & METHOD_ATTRIBUTE_STATIC)) {
3773 static_method_with_first_arg_bound = TRUE;
3774 target_method = del->method;
3777 return mono_marshal_get_delegate_invoke_internal (method, callvirt, static_method_with_first_arg_bound, target_method);
3781 MonoMethodSignature *ctor_sig;
3782 MonoMethodSignature *sig;
3785 /* protected by the marshal lock, contains CtorSigPair pointers */
3786 static GSList *strsig_list = NULL;
3788 static MonoMethodSignature *
3789 lookup_string_ctor_signature (MonoMethodSignature *sig)
3791 MonoMethodSignature *callsig;
3795 mono_marshal_lock ();
3797 for (item = strsig_list; item; item = item->next) {
3798 cs = (CtorSigPair *)item->data;
3799 /* mono_metadata_signature_equal () is safe to call with the marshal lock
3800 * because it is lock-free.
3802 if (mono_metadata_signature_equal (sig, cs->ctor_sig)) {
3807 mono_marshal_unlock ();
3811 static MonoMethodSignature *
3812 add_string_ctor_signature (MonoMethod *method)
3814 MonoMethodSignature *callsig;
3817 callsig = mono_metadata_signature_dup_full (method->klass->image, mono_method_signature (method));
3818 callsig->ret = &mono_defaults.string_class->byval_arg;
3819 cs = g_new (CtorSigPair, 1);
3821 cs->ctor_sig = mono_method_signature (method);
3823 mono_marshal_lock ();
3824 strsig_list = g_slist_prepend (strsig_list, cs);
3825 mono_marshal_unlock ();
3830 * mono_marshal_get_string_ctor_signature:
3832 * Return the modified signature used by string ctors (they return the newly created
3835 MonoMethodSignature*
3836 mono_marshal_get_string_ctor_signature (MonoMethod *method)
3838 MonoMethodSignature *sig = lookup_string_ctor_signature (mono_method_signature (method));
3840 sig = add_string_ctor_signature (method);
3846 get_runtime_invoke_type (MonoType *t, gboolean ret)
3849 if (t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t)))
3851 /* Can't share this with 'I' as that needs another indirection */
3852 return &mono_defaults.int_class->this_arg;
3855 if (MONO_TYPE_IS_REFERENCE (t))
3856 return &mono_defaults.object_class->byval_arg;
3859 /* The result needs to be boxed */
3864 /* Can't share these as the argument needs to be loaded using sign/zero extension */
3867 return &mono_defaults.sbyte_class->byval_arg;
3869 return &mono_defaults.int16_class->byval_arg;
3871 return &mono_defaults.int32_class->byval_arg;
3874 return &mono_defaults.int64_class->byval_arg;
3875 case MONO_TYPE_BOOLEAN:
3876 return &mono_defaults.byte_class->byval_arg;
3877 case MONO_TYPE_CHAR:
3878 return &mono_defaults.uint16_class->byval_arg;
3880 return &mono_defaults.int_class->byval_arg;
3881 case MONO_TYPE_VALUETYPE:
3882 if (t->data.klass->enumtype) {
3883 t = mono_class_enum_basetype (t->data.klass);
3893 * mono_marshal_get_runtime_invoke_sig:
3895 * Return a common signature used for sharing runtime invoke wrappers.
3897 static MonoMethodSignature*
3898 mono_marshal_get_runtime_invoke_sig (MonoMethodSignature *sig)
3900 MonoMethodSignature *res = mono_metadata_signature_dup (sig);
3903 res->generic_param_count = 0;
3904 res->ret = get_runtime_invoke_type (sig->ret, TRUE);
3905 for (i = 0; i < res->param_count; ++i)
3906 res->params [i] = get_runtime_invoke_type (sig->params [i], FALSE);
3912 runtime_invoke_signature_equal (MonoMethodSignature *sig1, MonoMethodSignature *sig2)
3914 /* Can't share wrappers which return a vtype since it needs to be boxed */
3915 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))
3918 return mono_metadata_signature_equal (sig1, sig2);
3926 * Emit the call to the wrapper method from a runtime invoke wrapper.
3929 emit_invoke_call (MonoMethodBuilder *mb, MonoMethod *method,
3930 MonoMethodSignature *sig, MonoMethodSignature *callsig,
3932 gboolean virtual_, gboolean need_direct_wrapper)
3934 static MonoString *string_dummy = NULL;
3936 int *tmp_nullable_locals;
3937 gboolean void_ret = FALSE;
3938 gboolean string_ctor = method && method->string_ctor;
3940 /* to make it work with our special string constructors */
3941 if (!string_dummy) {
3942 MONO_GC_REGISTER_ROOT_SINGLE (string_dummy, MONO_ROOT_SOURCE_MARSHAL, "dummy marshal string");
3943 string_dummy = mono_string_new_wrapper ("dummy");
3947 g_assert (sig->hasthis);
3948 g_assert (method->flags & METHOD_ATTRIBUTE_VIRTUAL);
3953 if (mono_gc_is_moving ()) {
3954 mono_mb_emit_ptr (mb, &string_dummy);
3955 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3957 mono_mb_emit_ptr (mb, string_dummy);
3960 mono_mb_emit_ldarg (mb, 0);
3964 tmp_nullable_locals = g_new0 (int, sig->param_count);
3966 for (i = 0; i < sig->param_count; i++) {
3967 MonoType *t = sig->params [i];
3970 mono_mb_emit_ldarg (mb, 1);
3972 mono_mb_emit_icon (mb, sizeof (gpointer) * i);
3973 mono_mb_emit_byte (mb, CEE_ADD);
3977 mono_mb_emit_byte (mb, CEE_LDIND_I);
3978 /* A Nullable<T> type don't have a boxed form, it's either null or a boxed T.
3979 * So to make this work we unbox it to a local variablee and push a reference to that.
3981 if (t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t))) {
3982 tmp_nullable_locals [i] = mono_mb_add_local (mb, &mono_class_from_mono_type (t)->byval_arg);
3984 mono_mb_emit_op (mb, CEE_UNBOX_ANY, mono_class_from_mono_type (t));
3985 mono_mb_emit_stloc (mb, tmp_nullable_locals [i]);
3986 mono_mb_emit_ldloc_addr (mb, tmp_nullable_locals [i]);
3991 /*FIXME 'this doesn't handle generic enums. Shouldn't we?*/
3992 type = sig->params [i]->type;
3996 case MONO_TYPE_BOOLEAN:
4000 case MONO_TYPE_CHAR:
4009 mono_mb_emit_byte (mb, CEE_LDIND_I);
4010 mono_mb_emit_byte (mb, mono_type_to_ldind (sig->params [i]));
4012 case MONO_TYPE_STRING:
4013 case MONO_TYPE_CLASS:
4014 case MONO_TYPE_ARRAY:
4016 case MONO_TYPE_SZARRAY:
4017 case MONO_TYPE_OBJECT:
4018 mono_mb_emit_byte (mb, mono_type_to_ldind (sig->params [i]));
4020 case MONO_TYPE_GENERICINST:
4021 if (!mono_type_generic_inst_is_valuetype (sig->params [i])) {
4022 mono_mb_emit_byte (mb, mono_type_to_ldind (sig->params [i]));
4027 case MONO_TYPE_VALUETYPE:
4028 if (type == MONO_TYPE_VALUETYPE && t->data.klass->enumtype) {
4029 type = mono_class_enum_basetype (t->data.klass)->type;
4032 mono_mb_emit_byte (mb, CEE_LDIND_I);
4033 if (mono_class_is_nullable (mono_class_from_mono_type (sig->params [i]))) {
4034 /* Need to convert a boxed vtype to an mp to a Nullable struct */
4035 mono_mb_emit_op (mb, CEE_UNBOX, mono_class_from_mono_type (sig->params [i]));
4036 mono_mb_emit_op (mb, CEE_LDOBJ, mono_class_from_mono_type (sig->params [i]));
4038 mono_mb_emit_op (mb, CEE_LDOBJ, mono_class_from_mono_type (sig->params [i]));
4042 g_assert_not_reached ();
4047 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
4048 } else if (need_direct_wrapper) {
4049 mono_mb_emit_op (mb, CEE_CALL, method);
4051 mono_mb_emit_ldarg (mb, 3);
4052 mono_mb_emit_calli (mb, callsig);
4055 if (sig->ret->byref) {
4057 g_assert_not_reached ();
4060 switch (sig->ret->type) {
4061 case MONO_TYPE_VOID:
4065 case MONO_TYPE_BOOLEAN:
4066 case MONO_TYPE_CHAR:
4079 case MONO_TYPE_VALUETYPE:
4080 case MONO_TYPE_TYPEDBYREF:
4081 case MONO_TYPE_GENERICINST:
4082 /* box value types */
4083 mono_mb_emit_op (mb, CEE_BOX, mono_class_from_mono_type (sig->ret));
4085 case MONO_TYPE_STRING:
4086 case MONO_TYPE_CLASS:
4087 case MONO_TYPE_ARRAY:
4088 case MONO_TYPE_SZARRAY:
4089 case MONO_TYPE_OBJECT:
4093 /* The result is an IntPtr */
4094 mono_mb_emit_op (mb, CEE_BOX, mono_defaults.int_class);
4097 g_assert_not_reached ();
4101 mono_mb_emit_stloc (mb, loc_res);
4103 /* Convert back nullable-byref arguments */
4104 for (i = 0; i < sig->param_count; i++) {
4105 MonoType *t = sig->params [i];
4108 * Box the result and put it back into the array, the caller will have
4109 * to obtain it from there.
4111 if (t->byref && t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t))) {
4112 mono_mb_emit_ldarg (mb, 1);
4113 mono_mb_emit_icon (mb, sizeof (gpointer) * i);
4114 mono_mb_emit_byte (mb, CEE_ADD);
4116 mono_mb_emit_ldloc (mb, tmp_nullable_locals [i]);
4117 mono_mb_emit_op (mb, CEE_BOX, mono_class_from_mono_type (t));
4119 mono_mb_emit_byte (mb, CEE_STIND_REF);
4123 g_free (tmp_nullable_locals);
4127 emit_runtime_invoke_body (MonoMethodBuilder *mb, MonoImage *image, MonoMethod *method,
4128 MonoMethodSignature *sig, MonoMethodSignature *callsig,
4129 gboolean virtual_, gboolean need_direct_wrapper)
4132 MonoExceptionClause *clause;
4133 int loc_res, loc_exc;
4135 /* The wrapper looks like this:
4141 * } catch (Exception e) {
4149 /* allocate local 0 (object) tmp */
4150 loc_res = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4151 /* allocate local 1 (object) exc */
4152 loc_exc = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4154 /* *exc is assumed to be initialized to NULL by the caller */
4156 mono_mb_emit_byte (mb, CEE_LDARG_2);
4157 labels [0] = mono_mb_emit_branch (mb, CEE_BRFALSE);
4162 labels [1] = mono_mb_get_label (mb);
4163 emit_thread_force_interrupt_checkpoint (mb);
4164 emit_invoke_call (mb, method, sig, callsig, loc_res, virtual_, need_direct_wrapper);
4166 labels [2] = mono_mb_emit_branch (mb, CEE_LEAVE);
4168 /* Add a try clause around the call */
4169 clause = (MonoExceptionClause *)mono_image_alloc0 (image, sizeof (MonoExceptionClause));
4170 clause->flags = MONO_EXCEPTION_CLAUSE_NONE;
4171 clause->data.catch_class = mono_defaults.exception_class;
4172 clause->try_offset = labels [1];
4173 clause->try_len = mono_mb_get_label (mb) - labels [1];
4175 clause->handler_offset = mono_mb_get_label (mb);
4178 mono_mb_emit_stloc (mb, loc_exc);
4179 mono_mb_emit_byte (mb, CEE_LDARG_2);
4180 mono_mb_emit_ldloc (mb, loc_exc);
4181 mono_mb_emit_byte (mb, CEE_STIND_REF);
4183 mono_mb_emit_branch (mb, CEE_LEAVE);
4185 clause->handler_len = mono_mb_get_pos (mb) - clause->handler_offset;
4187 mono_mb_set_clauses (mb, 1, clause);
4189 mono_mb_patch_branch (mb, labels [2]);
4190 mono_mb_emit_ldloc (mb, loc_res);
4191 mono_mb_emit_byte (mb, CEE_RET);
4196 mono_mb_patch_branch (mb, labels [0]);
4197 emit_thread_force_interrupt_checkpoint (mb);
4198 emit_invoke_call (mb, method, sig, callsig, loc_res, virtual_, need_direct_wrapper);
4200 mono_mb_emit_ldloc (mb, 0);
4201 mono_mb_emit_byte (mb, CEE_RET);
4206 * generates IL code for the runtime invoke function
4207 * MonoObject *runtime_invoke (MonoObject *this_obj, void **params, MonoObject **exc, void* method)
4209 * we also catch exceptions if exc != null
4210 * If VIRTUAL is TRUE, then METHOD is invoked virtually on THIS. This is useful since
4211 * it means that the compiled code for METHOD does not have to be looked up
4212 * before calling the runtime invoke wrapper. In this case, the wrapper ignores
4213 * its METHOD argument.
4216 mono_marshal_get_runtime_invoke (MonoMethod *method, gboolean virtual_)
4218 MonoMethodSignature *sig, *csig, *callsig;
4219 MonoMethodBuilder *mb;
4220 GHashTable *cache = NULL;
4221 MonoClass *target_klass;
4222 MonoMethod *res = NULL;
4223 static MonoMethodSignature *cctor_signature = NULL;
4224 static MonoMethodSignature *finalize_signature = NULL;
4226 const char *param_names [16];
4227 gboolean need_direct_wrapper = FALSE;
4232 if (!cctor_signature) {
4233 cctor_signature = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
4234 cctor_signature->ret = &mono_defaults.void_class->byval_arg;
4236 if (!finalize_signature) {
4237 finalize_signature = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
4238 finalize_signature->ret = &mono_defaults.void_class->byval_arg;
4239 finalize_signature->hasthis = 1;
4243 need_direct_wrapper = TRUE;
4246 * Use a separate cache indexed by methods to speed things up and to avoid the
4247 * boundless mempool growth caused by the signature_dup stuff below.
4250 cache = get_cache (&method->klass->image->runtime_invoke_vcall_cache, mono_aligned_addr_hash, NULL);
4252 cache = get_cache (&mono_method_get_wrapper_cache (method)->runtime_invoke_direct_cache, mono_aligned_addr_hash, NULL);
4254 res = mono_marshal_find_in_cache (cache, method);
4258 if (method->klass->rank && (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
4259 (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)) {
4261 * Array Get/Set/Address methods. The JIT implements them using inline code
4262 * so we need to create an invoke wrapper which calls the method directly.
4264 need_direct_wrapper = TRUE;
4267 if (method->string_ctor) {
4268 callsig = lookup_string_ctor_signature (mono_method_signature (method));
4270 callsig = add_string_ctor_signature (method);
4271 /* Can't share this as we push a string as this */
4272 need_direct_wrapper = TRUE;
4274 if (method_is_dynamic (method))
4275 callsig = mono_metadata_signature_dup_full (method->klass->image, mono_method_signature (method));
4277 callsig = mono_method_signature (method);
4280 sig = mono_method_signature (method);
4282 target_klass = get_wrapper_target_class (method->klass->image);
4284 /* Try to share wrappers for non-corlib methods with simple signatures */
4285 if (mono_metadata_signature_equal (callsig, cctor_signature)) {
4286 callsig = cctor_signature;
4287 target_klass = mono_defaults.object_class;
4288 } else if (mono_metadata_signature_equal (callsig, finalize_signature)) {
4289 callsig = finalize_signature;
4290 target_klass = mono_defaults.object_class;
4293 if (need_direct_wrapper) {
4294 /* Already searched at the start */
4296 MonoMethodSignature *tmp_sig;
4298 callsig = mono_marshal_get_runtime_invoke_sig (callsig);
4299 GHashTable **cache_table = NULL;
4301 if (method->klass->valuetype && mono_method_signature (method)->hasthis)
4302 cache_table = &mono_method_get_wrapper_cache (method)->runtime_invoke_vtype_cache;
4304 cache_table = &mono_method_get_wrapper_cache (method)->runtime_invoke_cache;
4306 cache = get_cache (cache_table, (GHashFunc)mono_signature_hash,
4307 (GCompareFunc)runtime_invoke_signature_equal);
4309 /* from mono_marshal_find_in_cache */
4310 mono_marshal_lock ();
4311 res = (MonoMethod *)g_hash_table_lookup (cache, callsig);
4312 mono_marshal_unlock ();
4319 /* Make a copy of the signature from the image mempool */
4321 callsig = mono_metadata_signature_dup_full (target_klass->image, callsig);
4325 csig = mono_metadata_signature_alloc (target_klass->image, 4);
4327 csig->ret = &mono_defaults.object_class->byval_arg;
4328 if (method->klass->valuetype && mono_method_signature (method)->hasthis)
4329 csig->params [0] = get_runtime_invoke_type (&method->klass->this_arg, FALSE);
4331 csig->params [0] = &mono_defaults.object_class->byval_arg;
4332 csig->params [1] = &mono_defaults.int_class->byval_arg;
4333 csig->params [2] = &mono_defaults.int_class->byval_arg;
4334 csig->params [3] = &mono_defaults.int_class->byval_arg;
4337 /* This is called from runtime code so it has to be cdecl */
4338 csig->call_convention = MONO_CALL_C;
4341 name = mono_signature_to_name (callsig, virtual_ ? "runtime_invoke_virtual" : "runtime_invoke");
4342 mb = mono_mb_new (target_klass, name, MONO_WRAPPER_RUNTIME_INVOKE);
4346 param_names [0] = "this";
4347 param_names [1] = "params";
4348 param_names [2] = "exc";
4349 param_names [3] = "method";
4350 mono_mb_set_param_names (mb, param_names);
4352 emit_runtime_invoke_body (mb, target_klass->image, method, sig, callsig, virtual_, need_direct_wrapper);
4355 if (need_direct_wrapper) {
4357 mb->skip_visibility = 1;
4359 info = mono_wrapper_info_create (mb, virtual_ ? WRAPPER_SUBTYPE_RUNTIME_INVOKE_VIRTUAL : WRAPPER_SUBTYPE_RUNTIME_INVOKE_DIRECT);
4360 info->d.runtime_invoke.method = method;
4361 res = mono_mb_create_and_cache_full (cache, method, mb, csig, sig->param_count + 16, info, NULL);
4363 /* taken from mono_mb_create_and_cache */
4364 mono_marshal_lock ();
4365 res = (MonoMethod *)g_hash_table_lookup (cache, callsig);
4366 mono_marshal_unlock ();
4368 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_RUNTIME_INVOKE_NORMAL);
4369 info->d.runtime_invoke.sig = callsig;
4371 /* Somebody may have created it before us */
4374 newm = mono_mb_create (mb, csig, sig->param_count + 16, info);
4376 mono_marshal_lock ();
4377 res = (MonoMethod *)g_hash_table_lookup (cache, callsig);
4379 GHashTable *direct_cache;
4381 g_hash_table_insert (cache, callsig, res);
4382 /* Can't insert it into wrapper_hash since the key is a signature */
4383 direct_cache = mono_method_get_wrapper_cache (method)->runtime_invoke_direct_cache;
4385 g_hash_table_insert (direct_cache, method, res);
4387 mono_free_method (newm);
4389 mono_marshal_unlock ();
4392 /* end mono_mb_create_and_cache */
4401 * mono_marshal_get_runtime_invoke_dynamic:
4403 * Return a method which can be used to invoke managed methods from native code
4405 * The signature of the returned method is given by RuntimeInvokeDynamicFunction:
4406 * void runtime_invoke (void *args, MonoObject **exc, void *compiled_method)
4407 * ARGS should point to an architecture specific structure containing
4408 * the arguments and space for the return value.
4409 * The other arguments are the same as for runtime_invoke (), except that
4410 * ARGS should contain the this argument too.
4411 * This wrapper serves the same purpose as the runtime-invoke wrappers, but there
4412 * is only one copy of it, which is useful in full-aot.
4415 mono_marshal_get_runtime_invoke_dynamic (void)
4417 static MonoMethod *method;
4418 MonoMethodSignature *csig;
4419 MonoExceptionClause *clause;
4420 MonoMethodBuilder *mb;
4428 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
4430 csig->ret = &mono_defaults.void_class->byval_arg;
4431 csig->params [0] = &mono_defaults.int_class->byval_arg;
4432 csig->params [1] = &mono_defaults.int_class->byval_arg;
4433 csig->params [2] = &mono_defaults.int_class->byval_arg;
4434 csig->params [3] = &mono_defaults.int_class->byval_arg;
4436 name = g_strdup ("runtime_invoke_dynamic");
4437 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_RUNTIME_INVOKE);
4441 /* allocate local 0 (object) tmp */
4442 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4443 /* allocate local 1 (object) exc */
4444 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4446 /* cond set *exc to null */
4447 mono_mb_emit_byte (mb, CEE_LDARG_1);
4448 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
4449 mono_mb_emit_byte (mb, 3);
4450 mono_mb_emit_byte (mb, CEE_LDARG_1);
4451 mono_mb_emit_byte (mb, CEE_LDNULL);
4452 mono_mb_emit_byte (mb, CEE_STIND_REF);
4454 emit_thread_force_interrupt_checkpoint (mb);
4456 mono_mb_emit_byte (mb, CEE_LDARG_0);
4457 mono_mb_emit_byte (mb, CEE_LDARG_2);
4458 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4459 mono_mb_emit_byte (mb, CEE_MONO_DYN_CALL);
4461 pos = mono_mb_emit_branch (mb, CEE_LEAVE);
4463 clause = (MonoExceptionClause *)mono_image_alloc0 (mono_defaults.corlib, sizeof (MonoExceptionClause));
4464 clause->flags = MONO_EXCEPTION_CLAUSE_FILTER;
4465 clause->try_len = mono_mb_get_label (mb);
4468 clause->data.filter_offset = mono_mb_get_label (mb);
4470 mono_mb_emit_byte (mb, CEE_POP);
4471 mono_mb_emit_byte (mb, CEE_LDARG_1);
4472 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
4473 mono_mb_emit_byte (mb, CEE_PREFIX1);
4474 mono_mb_emit_byte (mb, CEE_CGT_UN);
4475 mono_mb_emit_byte (mb, CEE_PREFIX1);
4476 mono_mb_emit_byte (mb, CEE_ENDFILTER);
4478 clause->handler_offset = mono_mb_get_label (mb);
4481 /* store exception */
4482 mono_mb_emit_stloc (mb, 1);
4484 mono_mb_emit_byte (mb, CEE_LDARG_1);
4485 mono_mb_emit_ldloc (mb, 1);
4486 mono_mb_emit_byte (mb, CEE_STIND_REF);
4488 mono_mb_emit_byte (mb, CEE_LDNULL);
4489 mono_mb_emit_stloc (mb, 0);
4491 /* Check for the abort exception */
4492 mono_mb_emit_ldloc (mb, 1);
4493 mono_mb_emit_op (mb, CEE_ISINST, mono_defaults.threadabortexception_class);
4494 posna = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
4496 /* Delay the abort exception */
4497 mono_mb_emit_icall (mb, ves_icall_System_Threading_Thread_ResetAbort);
4499 mono_mb_patch_short_branch (mb, posna);
4500 mono_mb_emit_branch (mb, CEE_LEAVE);
4502 clause->handler_len = mono_mb_get_pos (mb) - clause->handler_offset;
4504 mono_mb_set_clauses (mb, 1, clause);
4507 mono_mb_patch_branch (mb, pos);
4508 //mono_mb_emit_ldloc (mb, 0);
4509 mono_mb_emit_byte (mb, CEE_RET);
4510 #endif /* DISABLE_JIT */
4512 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_RUNTIME_INVOKE_DYNAMIC);
4514 mono_marshal_lock ();
4515 /* double-checked locking */
4517 method = mono_mb_create (mb, csig, 16, info);
4519 mono_marshal_unlock ();
4527 * mono_marshal_get_runtime_invoke_for_sig:
4529 * Return a runtime invoke wrapper for a given signature.
4532 mono_marshal_get_runtime_invoke_for_sig (MonoMethodSignature *sig)
4534 MonoMethodSignature *csig, *callsig;
4535 MonoMethodBuilder *mb;
4537 GHashTable *cache = NULL;
4538 GHashTable **cache_table = NULL;
4539 MonoMethod *res = NULL;
4541 const char *param_names [16];
4544 /* A simplified version of mono_marshal_get_runtime_invoke */
4546 image = mono_defaults.corlib;
4548 callsig = mono_marshal_get_runtime_invoke_sig (sig);
4550 cache_table = &image->wrapper_caches.runtime_invoke_sig_cache;
4552 cache = get_cache (cache_table, (GHashFunc)mono_signature_hash,
4553 (GCompareFunc)runtime_invoke_signature_equal);
4555 /* from mono_marshal_find_in_cache */
4556 mono_marshal_lock ();
4557 res = (MonoMethod *)g_hash_table_lookup (cache, callsig);
4558 mono_marshal_unlock ();
4565 /* Make a copy of the signature from the image mempool */
4566 callsig = mono_metadata_signature_dup_full (image, callsig);
4568 csig = mono_metadata_signature_alloc (image, 4);
4569 csig->ret = &mono_defaults.object_class->byval_arg;
4570 csig->params [0] = &mono_defaults.object_class->byval_arg;
4571 csig->params [1] = &mono_defaults.int_class->byval_arg;
4572 csig->params [2] = &mono_defaults.int_class->byval_arg;
4573 csig->params [3] = &mono_defaults.int_class->byval_arg;
4576 /* This is called from runtime code so it has to be cdecl */
4577 csig->call_convention = MONO_CALL_C;
4580 name = mono_signature_to_name (callsig, "runtime_invoke_sig");
4581 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_RUNTIME_INVOKE);
4585 param_names [0] = "this";
4586 param_names [1] = "params";
4587 param_names [2] = "exc";
4588 param_names [3] = "method";
4589 mono_mb_set_param_names (mb, param_names);
4591 emit_runtime_invoke_body (mb, image, NULL, sig, callsig, FALSE, FALSE);
4594 /* taken from mono_mb_create_and_cache */
4595 mono_marshal_lock ();
4596 res = (MonoMethod *)g_hash_table_lookup (cache, callsig);
4597 mono_marshal_unlock ();
4599 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_RUNTIME_INVOKE_NORMAL);
4600 info->d.runtime_invoke.sig = callsig;
4602 /* Somebody may have created it before us */
4605 newm = mono_mb_create (mb, csig, sig->param_count + 16, info);
4607 mono_marshal_lock ();
4608 res = (MonoMethod *)g_hash_table_lookup (cache, callsig);
4611 g_hash_table_insert (cache, callsig, res);
4613 mono_free_method (newm);
4615 mono_marshal_unlock ();
4618 /* end mono_mb_create_and_cache */
4627 mono_mb_emit_auto_layout_exception (MonoMethodBuilder *mb, MonoClass *klass)
4629 char *msg = g_strdup_printf ("The type `%s.%s' layout needs to be Sequential or Explicit",
4630 klass->name_space, klass->name);
4632 mono_mb_emit_exception_marshal_directive (mb, msg);
4637 * generates IL code for the icall wrapper (the generated method
4638 * calls the unmanaged code in func)
4641 mono_marshal_get_icall_wrapper (MonoMethodSignature *sig, const char *name, gconstpointer func, gboolean check_exceptions)
4643 MonoMethodSignature *csig, *csig2;
4644 MonoMethodBuilder *mb;
4649 GHashTable *cache = get_cache (&mono_defaults.object_class->image->icall_wrapper_cache, mono_aligned_addr_hash, NULL);
4650 if ((res = mono_marshal_find_in_cache (cache, (gpointer) func)))
4653 g_assert (sig->pinvoke);
4655 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_MANAGED_TO_NATIVE);
4657 mb->method->save_lmf = 1;
4659 /* Add an explicit this argument */
4661 csig2 = mono_metadata_signature_dup_add_this (mono_defaults.corlib, sig, mono_defaults.object_class);
4663 csig2 = mono_metadata_signature_dup_full (mono_defaults.corlib, sig);
4667 mono_mb_emit_byte (mb, CEE_LDARG_0);
4669 for (i = 0; i < sig->param_count; i++)
4670 mono_mb_emit_ldarg (mb, i + sig->hasthis);
4672 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4673 mono_mb_emit_op (mb, CEE_MONO_JIT_ICALL_ADDR, (gpointer)func);
4674 mono_mb_emit_calli (mb, csig2);
4675 if (check_exceptions)
4676 emit_thread_interrupt_checkpoint (mb);
4677 mono_mb_emit_byte (mb, CEE_RET);
4680 csig = mono_metadata_signature_dup_full (mono_defaults.corlib, sig);
4682 if (csig->call_convention == MONO_CALL_VARARG)
4683 csig->call_convention = 0;
4685 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_ICALL_WRAPPER);
4686 info->d.icall.func = (gpointer)func;
4687 res = mono_mb_create_and_cache_full (cache, (gpointer) func, mb, csig, csig->param_count + 16, info, NULL);
4694 emit_marshal_custom (EmitMarshalContext *m, int argnum, MonoType *t,
4695 MonoMarshalSpec *spec,
4696 int conv_arg, MonoType **conv_arg_type,
4697 MarshalAction action)
4700 if (action == MARSHAL_ACTION_CONV_IN && t->type == MONO_TYPE_VALUETYPE)
4701 *conv_arg_type = &mono_defaults.int_class->byval_arg;
4707 static MonoClass *ICustomMarshaler = NULL;
4708 static MonoMethod *cleanup_native, *cleanup_managed;
4709 static MonoMethod *marshal_managed_to_native, *marshal_native_to_managed;
4710 MonoMethod *get_instance = NULL;
4711 MonoMethodBuilder *mb = m->mb;
4712 char *exception_msg = NULL;
4716 if (!ICustomMarshaler) {
4717 MonoClass *klass = mono_class_try_get_icustom_marshaler_class ();
4719 exception_msg = g_strdup ("Current profile doesn't support ICustomMarshaler");
4720 goto handle_exception;
4723 cleanup_native = mono_class_get_method_from_name (klass, "CleanUpNativeData", 1);
4724 g_assert (cleanup_native);
4725 cleanup_managed = mono_class_get_method_from_name (klass, "CleanUpManagedData", 1);
4726 g_assert (cleanup_managed);
4727 marshal_managed_to_native = mono_class_get_method_from_name (klass, "MarshalManagedToNative", 1);
4728 g_assert (marshal_managed_to_native);
4729 marshal_native_to_managed = mono_class_get_method_from_name (klass, "MarshalNativeToManaged", 1);
4730 g_assert (marshal_native_to_managed);
4732 mono_memory_barrier ();
4733 ICustomMarshaler = klass;
4736 if (spec->data.custom_data.image)
4737 mtype = mono_reflection_type_from_name_checked (spec->data.custom_data.custom_name, spec->data.custom_data.image, &error);
4739 mtype = mono_reflection_type_from_name_checked (spec->data.custom_data.custom_name, m->image, &error);
4740 g_assert (mtype != NULL);
4741 mono_error_assert_ok (&error);
4742 mklass = mono_class_from_mono_type (mtype);
4743 g_assert (mklass != NULL);
4745 if (!mono_class_is_assignable_from (ICustomMarshaler, mklass))
4746 exception_msg = g_strdup_printf ("Custom marshaler '%s' does not implement the ICustomMarshaler interface.", mklass->name);
4748 get_instance = mono_class_get_method_from_name_flags (mklass, "GetInstance", 1, METHOD_ATTRIBUTE_STATIC);
4750 MonoMethodSignature *get_sig = mono_method_signature (get_instance);
4751 if ((get_sig->ret->type != MONO_TYPE_CLASS) ||
4752 (mono_class_from_mono_type (get_sig->ret) != ICustomMarshaler) ||
4753 (get_sig->params [0]->type != MONO_TYPE_STRING))
4754 get_instance = NULL;
4758 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);
4761 /* Throw exception and emit compensation code if neccesary */
4762 if (exception_msg) {
4764 case MARSHAL_ACTION_CONV_IN:
4765 case MARSHAL_ACTION_CONV_RESULT:
4766 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
4767 if ((action == MARSHAL_ACTION_CONV_RESULT) || (action == MARSHAL_ACTION_MANAGED_CONV_RESULT))
4768 mono_mb_emit_byte (mb, CEE_POP);
4770 mono_mb_emit_exception_full (mb, "System", "ApplicationException", exception_msg);
4771 g_free (exception_msg);
4774 case MARSHAL_ACTION_PUSH:
4775 mono_mb_emit_byte (mb, CEE_LDNULL);
4783 /* FIXME: MS.NET seems to create one instance for each klass + cookie pair */
4784 /* FIXME: MS.NET throws an exception if GetInstance returns null */
4787 case MARSHAL_ACTION_CONV_IN:
4789 case MONO_TYPE_CLASS:
4790 case MONO_TYPE_OBJECT:
4791 case MONO_TYPE_STRING:
4792 case MONO_TYPE_ARRAY:
4793 case MONO_TYPE_SZARRAY:
4794 case MONO_TYPE_VALUETYPE:
4798 g_warning ("custom marshalling of type %x is currently not supported", t->type);
4799 g_assert_not_reached ();
4803 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
4805 mono_mb_emit_byte (mb, CEE_LDNULL);
4806 mono_mb_emit_stloc (mb, conv_arg);
4808 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT))
4811 /* Minic MS.NET behavior */
4812 if (!t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT) && !(t->attrs & PARAM_ATTRIBUTE_IN))
4815 /* Check for null */
4816 mono_mb_emit_ldarg (mb, argnum);
4818 mono_mb_emit_byte (mb, CEE_LDIND_I);
4819 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
4821 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
4823 mono_mb_emit_op (mb, CEE_CALL, get_instance);
4825 mono_mb_emit_ldarg (mb, argnum);
4827 mono_mb_emit_byte (mb, CEE_LDIND_REF);
4829 if (t->type == MONO_TYPE_VALUETYPE) {
4831 * Since we can't determine the type of the argument, we
4832 * will assume the unmanaged function takes a pointer.
4834 *conv_arg_type = &mono_defaults.int_class->byval_arg;
4836 mono_mb_emit_op (mb, CEE_BOX, mono_class_from_mono_type (t));
4839 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_managed_to_native);
4840 mono_mb_emit_stloc (mb, conv_arg);
4842 mono_mb_patch_branch (mb, pos2);
4845 case MARSHAL_ACTION_CONV_OUT:
4846 /* Check for null */
4847 mono_mb_emit_ldloc (mb, conv_arg);
4848 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
4851 mono_mb_emit_ldarg (mb, argnum);
4853 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
4855 mono_mb_emit_op (mb, CEE_CALL, get_instance);
4857 mono_mb_emit_ldloc (mb, conv_arg);
4858 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
4859 mono_mb_emit_byte (mb, CEE_STIND_REF);
4860 } else if (t->attrs & PARAM_ATTRIBUTE_OUT) {
4861 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
4863 mono_mb_emit_op (mb, CEE_CALL, get_instance);
4865 mono_mb_emit_ldloc (mb, conv_arg);
4866 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
4868 /* We have nowhere to store the result */
4869 mono_mb_emit_byte (mb, CEE_POP);
4872 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
4874 mono_mb_emit_op (mb, CEE_CALL, get_instance);
4876 mono_mb_emit_ldloc (mb, conv_arg);
4878 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_native);
4880 mono_mb_patch_branch (mb, pos2);
4883 case MARSHAL_ACTION_PUSH:
4885 mono_mb_emit_ldloc_addr (mb, conv_arg);
4887 mono_mb_emit_ldloc (mb, conv_arg);
4890 case MARSHAL_ACTION_CONV_RESULT:
4891 loc1 = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
4893 mono_mb_emit_stloc (mb, 3);
4895 mono_mb_emit_ldloc (mb, 3);
4896 mono_mb_emit_stloc (mb, loc1);
4898 /* Check for null */
4899 mono_mb_emit_ldloc (mb, 3);
4900 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
4902 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
4904 mono_mb_emit_op (mb, CEE_CALL, get_instance);
4905 mono_mb_emit_byte (mb, CEE_DUP);
4907 mono_mb_emit_ldloc (mb, 3);
4908 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
4909 mono_mb_emit_stloc (mb, 3);
4911 mono_mb_emit_ldloc (mb, loc1);
4912 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_native);
4914 mono_mb_patch_branch (mb, pos2);
4917 case MARSHAL_ACTION_MANAGED_CONV_IN:
4918 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4920 mono_mb_emit_byte (mb, CEE_LDNULL);
4921 mono_mb_emit_stloc (mb, conv_arg);
4923 if (t->byref && t->attrs & PARAM_ATTRIBUTE_OUT)
4926 /* Check for null */
4927 mono_mb_emit_ldarg (mb, argnum);
4929 mono_mb_emit_byte (mb, CEE_LDIND_I);
4930 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
4932 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
4933 mono_mb_emit_op (mb, CEE_CALL, get_instance);
4935 mono_mb_emit_ldarg (mb, argnum);
4937 mono_mb_emit_byte (mb, CEE_LDIND_I);
4939 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
4940 mono_mb_emit_stloc (mb, conv_arg);
4942 mono_mb_patch_branch (mb, pos2);
4945 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
4946 g_assert (!t->byref);
4948 loc1 = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4950 mono_mb_emit_stloc (mb, 3);
4952 mono_mb_emit_ldloc (mb, 3);
4953 mono_mb_emit_stloc (mb, loc1);
4955 /* Check for null */
4956 mono_mb_emit_ldloc (mb, 3);
4957 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
4959 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
4960 mono_mb_emit_op (mb, CEE_CALL, get_instance);
4961 mono_mb_emit_byte (mb, CEE_DUP);
4963 mono_mb_emit_ldloc (mb, 3);
4964 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_managed_to_native);
4965 mono_mb_emit_stloc (mb, 3);
4967 mono_mb_emit_ldloc (mb, loc1);
4968 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_managed);
4970 mono_mb_patch_branch (mb, pos2);
4973 case MARSHAL_ACTION_MANAGED_CONV_OUT:
4975 /* Check for null */
4976 mono_mb_emit_ldloc (mb, conv_arg);
4977 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
4980 mono_mb_emit_ldarg (mb, argnum);
4982 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
4984 mono_mb_emit_op (mb, CEE_CALL, get_instance);
4986 mono_mb_emit_ldloc (mb, conv_arg);
4987 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_managed_to_native);
4988 mono_mb_emit_byte (mb, CEE_STIND_I);
4991 /* Call CleanUpManagedData */
4992 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
4994 mono_mb_emit_op (mb, CEE_CALL, get_instance);
4996 mono_mb_emit_ldloc (mb, conv_arg);
4997 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_managed);
4999 mono_mb_patch_branch (mb, pos2);
5003 g_assert_not_reached ();
5011 emit_marshal_asany (EmitMarshalContext *m, int argnum, MonoType *t,
5012 MonoMarshalSpec *spec,
5013 int conv_arg, MonoType **conv_arg_type,
5014 MarshalAction action)
5017 MonoMethodBuilder *mb = m->mb;
5020 case MARSHAL_ACTION_CONV_IN: {
5021 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, NULL);
5023 g_assert (t->type == MONO_TYPE_OBJECT);
5024 g_assert (!t->byref);
5026 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5027 mono_mb_emit_ldarg (mb, argnum);
5028 mono_mb_emit_icon (mb, encoding);
5029 mono_mb_emit_icon (mb, t->attrs);
5030 mono_mb_emit_icall (mb, mono_marshal_asany);
5031 mono_mb_emit_stloc (mb, conv_arg);
5035 case MARSHAL_ACTION_PUSH:
5036 mono_mb_emit_ldloc (mb, conv_arg);
5039 case MARSHAL_ACTION_CONV_OUT: {
5040 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, NULL);
5042 mono_mb_emit_ldarg (mb, argnum);
5043 mono_mb_emit_ldloc (mb, conv_arg);
5044 mono_mb_emit_icon (mb, encoding);
5045 mono_mb_emit_icon (mb, t->attrs);
5046 mono_mb_emit_icall (mb, mono_marshal_free_asany);
5051 g_assert_not_reached ();
5058 emit_marshal_vtype (EmitMarshalContext *m, int argnum, MonoType *t,
5059 MonoMarshalSpec *spec,
5060 int conv_arg, MonoType **conv_arg_type,
5061 MarshalAction action)
5064 MonoMethodBuilder *mb = m->mb;
5065 MonoClass *klass, *date_time_class;
5068 klass = mono_class_from_mono_type (t);
5070 date_time_class = mono_class_get_date_time_class ();
5073 case MARSHAL_ACTION_CONV_IN:
5074 if (klass == date_time_class) {
5075 /* Convert it to an OLE DATE type */
5076 static MonoMethod *to_oadate;
5079 to_oadate = mono_class_get_method_from_name (date_time_class, "ToOADate", 0);
5080 g_assert (to_oadate);
5082 conv_arg = mono_mb_add_local (mb, &mono_defaults.double_class->byval_arg);
5085 mono_mb_emit_ldarg (mb, argnum);
5086 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
5089 if (!(t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && (t->attrs & PARAM_ATTRIBUTE_OUT))) {
5091 m->csig->params [argnum - m->csig->hasthis] = &mono_defaults.double_class->byval_arg;
5093 mono_mb_emit_ldarg_addr (mb, argnum);
5094 mono_mb_emit_managed_call (mb, to_oadate, NULL);
5095 mono_mb_emit_stloc (mb, conv_arg);
5099 mono_mb_patch_branch (mb, pos);
5103 if (mono_class_is_explicit_layout (klass) || klass->blittable || klass->enumtype)
5106 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5108 /* store the address of the source into local variable 0 */
5110 mono_mb_emit_ldarg (mb, argnum);
5112 mono_mb_emit_ldarg_addr (mb, argnum);
5114 mono_mb_emit_stloc (mb, 0);
5116 /* allocate space for the native struct and
5117 * store the address into local variable 1 (dest) */
5118 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
5119 mono_mb_emit_byte (mb, CEE_PREFIX1);
5120 mono_mb_emit_byte (mb, CEE_LOCALLOC);
5121 mono_mb_emit_stloc (mb, conv_arg);
5124 mono_mb_emit_ldloc (mb, 0);
5125 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
5128 if (!(t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && (t->attrs & PARAM_ATTRIBUTE_OUT))) {
5130 mono_mb_emit_ldloc (mb, conv_arg);
5131 mono_mb_emit_stloc (mb, 1);
5133 /* emit valuetype conversion code */
5134 emit_struct_conv (mb, klass, FALSE);
5138 mono_mb_patch_branch (mb, pos);
5141 case MARSHAL_ACTION_PUSH:
5142 if (spec && spec->native == MONO_NATIVE_LPSTRUCT) {
5144 g_assert (!t->byref);
5146 /* Have to change the signature since the vtype is passed byref */
5147 m->csig->params [argnum - m->csig->hasthis] = &mono_defaults.int_class->byval_arg;
5149 if (mono_class_is_explicit_layout (klass) || klass->blittable || klass->enumtype)
5150 mono_mb_emit_ldarg_addr (mb, argnum);
5152 mono_mb_emit_ldloc (mb, conv_arg);
5156 if (klass == date_time_class) {
5158 mono_mb_emit_ldloc_addr (mb, conv_arg);
5160 mono_mb_emit_ldloc (mb, conv_arg);
5164 if (mono_class_is_explicit_layout (klass) || klass->blittable || klass->enumtype) {
5165 mono_mb_emit_ldarg (mb, argnum);
5168 mono_mb_emit_ldloc (mb, conv_arg);
5170 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5171 mono_mb_emit_op (mb, CEE_MONO_LDNATIVEOBJ, klass);
5175 case MARSHAL_ACTION_CONV_OUT:
5176 if (klass == date_time_class) {
5177 /* Convert from an OLE DATE type */
5178 static MonoMethod *from_oadate;
5183 if (!((t->attrs & PARAM_ATTRIBUTE_IN) && !(t->attrs & PARAM_ATTRIBUTE_OUT))) {
5185 from_oadate = mono_class_get_method_from_name (date_time_class, "FromOADate", 1);
5186 g_assert (from_oadate);
5188 mono_mb_emit_ldarg (mb, argnum);
5189 mono_mb_emit_ldloc (mb, conv_arg);
5190 mono_mb_emit_managed_call (mb, from_oadate, NULL);
5191 mono_mb_emit_op (mb, CEE_STOBJ, date_time_class);
5196 if (mono_class_is_explicit_layout (klass) || klass->blittable || klass->enumtype)
5200 /* dst = argument */
5201 mono_mb_emit_ldarg (mb, argnum);
5202 mono_mb_emit_stloc (mb, 1);
5204 mono_mb_emit_ldloc (mb, 1);
5205 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
5207 if (!((t->attrs & PARAM_ATTRIBUTE_IN) && !(t->attrs & PARAM_ATTRIBUTE_OUT))) {
5208 /* src = tmp_locals [i] */
5209 mono_mb_emit_ldloc (mb, conv_arg);
5210 mono_mb_emit_stloc (mb, 0);
5212 /* emit valuetype conversion code */
5213 emit_struct_conv (mb, klass, TRUE);
5217 emit_struct_free (mb, klass, conv_arg);
5220 mono_mb_patch_branch (mb, pos);
5223 case MARSHAL_ACTION_CONV_RESULT:
5224 if (mono_class_is_explicit_layout (klass) || klass->blittable) {
5225 mono_mb_emit_stloc (mb, 3);
5229 /* load pointer to returned value type */
5230 g_assert (m->vtaddr_var);
5231 mono_mb_emit_ldloc (mb, m->vtaddr_var);
5232 /* store the address of the source into local variable 0 */
5233 mono_mb_emit_stloc (mb, 0);
5235 mono_mb_emit_ldloc_addr (mb, 3);
5236 mono_mb_emit_stloc (mb, 1);
5238 /* emit valuetype conversion code */
5239 emit_struct_conv (mb, klass, TRUE);
5242 case MARSHAL_ACTION_MANAGED_CONV_IN:
5243 if (mono_class_is_explicit_layout (klass) || klass->blittable || klass->enumtype) {
5248 conv_arg = mono_mb_add_local (mb, &klass->byval_arg);
5250 if (t->attrs & PARAM_ATTRIBUTE_OUT)
5254 mono_mb_emit_ldarg (mb, argnum);
5256 mono_mb_emit_ldarg_addr (mb, argnum);
5257 mono_mb_emit_stloc (mb, 0);
5260 mono_mb_emit_ldloc (mb, 0);
5261 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
5264 mono_mb_emit_ldloc_addr (mb, conv_arg);
5265 mono_mb_emit_stloc (mb, 1);
5267 /* emit valuetype conversion code */
5268 emit_struct_conv (mb, klass, TRUE);
5271 mono_mb_patch_branch (mb, pos);
5274 case MARSHAL_ACTION_MANAGED_CONV_OUT:
5275 if (mono_class_is_explicit_layout (klass) || klass->blittable || klass->enumtype)
5277 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_IN) && !(t->attrs & PARAM_ATTRIBUTE_OUT))
5280 /* Check for null */
5281 mono_mb_emit_ldarg (mb, argnum);
5282 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5285 mono_mb_emit_ldloc_addr (mb, conv_arg);
5286 mono_mb_emit_stloc (mb, 0);
5289 mono_mb_emit_ldarg (mb, argnum);
5290 mono_mb_emit_stloc (mb, 1);
5292 /* emit valuetype conversion code */
5293 emit_struct_conv (mb, klass, FALSE);
5295 mono_mb_patch_branch (mb, pos2);
5298 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
5299 if (mono_class_is_explicit_layout (klass) || klass->blittable || klass->enumtype) {
5300 mono_mb_emit_stloc (mb, 3);
5305 /* load pointer to returned value type */
5306 g_assert (m->vtaddr_var);
5307 mono_mb_emit_ldloc (mb, m->vtaddr_var);
5309 /* store the address of the source into local variable 0 */
5310 mono_mb_emit_stloc (mb, 0);
5311 /* allocate space for the native struct and
5312 * store the address into dst_ptr */
5313 m->retobj_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5314 m->retobj_class = klass;
5315 g_assert (m->retobj_var);
5316 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
5317 mono_mb_emit_byte (mb, CEE_CONV_I);
5318 mono_mb_emit_icall (mb, ves_icall_marshal_alloc);
5319 mono_mb_emit_stloc (mb, 1);
5320 mono_mb_emit_ldloc (mb, 1);
5321 mono_mb_emit_stloc (mb, m->retobj_var);
5323 /* emit valuetype conversion code */
5324 emit_struct_conv (mb, klass, FALSE);
5328 g_assert_not_reached ();
5335 emit_marshal_string (EmitMarshalContext *m, int argnum, MonoType *t,
5336 MonoMarshalSpec *spec,
5337 int conv_arg, MonoType **conv_arg_type,
5338 MarshalAction action)
5342 case MARSHAL_ACTION_CONV_IN:
5343 *conv_arg_type = &mono_defaults.int_class->byval_arg;
5345 case MARSHAL_ACTION_MANAGED_CONV_IN:
5346 *conv_arg_type = &mono_defaults.int_class->byval_arg;
5350 MonoMethodBuilder *mb = m->mb;
5351 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
5352 MonoMarshalConv conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
5356 case MARSHAL_ACTION_CONV_IN:
5357 *conv_arg_type = &mono_defaults.int_class->byval_arg;
5358 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5361 if (t->attrs & PARAM_ATTRIBUTE_OUT)
5364 mono_mb_emit_ldarg (mb, argnum);
5365 mono_mb_emit_byte (mb, CEE_LDIND_I);
5367 mono_mb_emit_ldarg (mb, argnum);
5370 if (conv == MONO_MARSHAL_CONV_INVALID) {
5371 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
5372 mono_mb_emit_exception_marshal_directive (mb, msg);
5374 mono_mb_emit_icall (mb, conv_to_icall (conv, NULL));
5376 mono_mb_emit_stloc (mb, conv_arg);
5380 case MARSHAL_ACTION_CONV_OUT:
5381 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
5382 if (conv == MONO_MARSHAL_CONV_INVALID) {
5383 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
5384 mono_mb_emit_exception_marshal_directive (mb, msg);
5388 if (encoding == MONO_NATIVE_VBBYREFSTR) {
5389 static MonoMethod *m;
5392 m = mono_class_get_method_from_name_flags (mono_defaults.string_class, "get_Length", -1, 0);
5397 char *msg = g_strdup_printf ("VBByRefStr marshalling requires a ref parameter.", encoding);
5398 mono_mb_emit_exception_marshal_directive (mb, msg);
5403 * Have to allocate a new string with the same length as the original, and
5404 * copy the contents of the buffer pointed to by CONV_ARG into it.
5406 g_assert (t->byref);
5407 mono_mb_emit_ldarg (mb, argnum);
5408 mono_mb_emit_ldloc (mb, conv_arg);
5409 mono_mb_emit_ldarg (mb, argnum);
5410 mono_mb_emit_byte (mb, CEE_LDIND_I);
5411 mono_mb_emit_managed_call (mb, m, NULL);
5412 mono_mb_emit_icall (mb, mono_string_new_len_wrapper);
5413 mono_mb_emit_byte (mb, CEE_STIND_REF);
5414 } else if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT || !(t->attrs & PARAM_ATTRIBUTE_IN))) {
5416 mono_mb_emit_ldarg (mb, argnum);
5417 mono_mb_emit_ldloc (mb, conv_arg);
5418 mono_mb_emit_icall (mb, conv_to_icall (conv, &stind_op));
5419 mono_mb_emit_byte (mb, stind_op);
5424 mono_mb_emit_ldloc (mb, conv_arg);
5425 if (conv == MONO_MARSHAL_CONV_BSTR_STR)
5426 mono_mb_emit_icall (mb, mono_free_bstr);
5428 mono_mb_emit_icall (mb, mono_marshal_free);
5432 case MARSHAL_ACTION_PUSH:
5433 if (t->byref && encoding != MONO_NATIVE_VBBYREFSTR)
5434 mono_mb_emit_ldloc_addr (mb, conv_arg);
5436 mono_mb_emit_ldloc (mb, conv_arg);
5439 case MARSHAL_ACTION_CONV_RESULT:
5440 mono_mb_emit_stloc (mb, 0);
5442 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
5443 if (conv == MONO_MARSHAL_CONV_INVALID) {
5444 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
5445 mono_mb_emit_exception_marshal_directive (mb, msg);
5449 mono_mb_emit_ldloc (mb, 0);
5450 mono_mb_emit_icall (mb, conv_to_icall (conv, NULL));
5451 mono_mb_emit_stloc (mb, 3);
5453 /* free the string */
5454 mono_mb_emit_ldloc (mb, 0);
5455 if (conv == MONO_MARSHAL_CONV_BSTR_STR)
5456 mono_mb_emit_icall (mb, mono_free_bstr);
5458 mono_mb_emit_icall (mb, mono_marshal_free);
5461 case MARSHAL_ACTION_MANAGED_CONV_IN:
5462 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
5464 *conv_arg_type = &mono_defaults.int_class->byval_arg;
5467 if (t->attrs & PARAM_ATTRIBUTE_OUT)
5471 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
5472 if (conv == MONO_MARSHAL_CONV_INVALID) {
5473 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
5474 mono_mb_emit_exception_marshal_directive (mb, msg);
5478 mono_mb_emit_ldarg (mb, argnum);
5480 mono_mb_emit_byte (mb, CEE_LDIND_I);
5481 mono_mb_emit_icall (mb, conv_to_icall (conv, NULL));
5482 mono_mb_emit_stloc (mb, conv_arg);
5485 case MARSHAL_ACTION_MANAGED_CONV_OUT:
5489 mono_mb_emit_ldarg (mb, argnum);
5490 mono_mb_emit_ldloc (mb, conv_arg);
5491 mono_mb_emit_icall (mb, conv_to_icall (conv, &stind_op));
5492 mono_mb_emit_byte (mb, stind_op);
5497 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
5498 if (conv_to_icall (conv, NULL) == mono_marshal_string_to_utf16)
5499 /* We need to make a copy so the caller is able to free it */
5500 mono_mb_emit_icall (mb, mono_marshal_string_to_utf16_copy);
5502 mono_mb_emit_icall (mb, conv_to_icall (conv, NULL));
5503 mono_mb_emit_stloc (mb, 3);
5507 g_assert_not_reached ();
5515 emit_marshal_safehandle (EmitMarshalContext *m, int argnum, MonoType *t,
5516 MonoMarshalSpec *spec, int conv_arg,
5517 MonoType **conv_arg_type, MarshalAction action)
5520 if (action == MARSHAL_ACTION_CONV_IN)
5521 *conv_arg_type = &mono_defaults.int_class->byval_arg;
5523 MonoMethodBuilder *mb = m->mb;
5526 case MARSHAL_ACTION_CONV_IN: {
5527 MonoType *intptr_type;
5528 int dar_release_slot, pos;
5530 intptr_type = &mono_defaults.int_class->byval_arg;
5531 conv_arg = mono_mb_add_local (mb, intptr_type);
5532 *conv_arg_type = intptr_type;
5534 if (!sh_dangerous_add_ref)
5535 init_safe_handle ();
5537 mono_mb_emit_ldarg (mb, argnum);
5538 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
5539 mono_mb_emit_exception (mb, "ArgumentNullException", NULL);
5541 mono_mb_patch_branch (mb, pos);
5544 * My tests in show that ref SafeHandles are not really
5545 * passed as ref objects. Instead a NULL is passed as the
5548 mono_mb_emit_icon (mb, 0);
5549 mono_mb_emit_stloc (mb, conv_arg);
5553 /* Create local to hold the ref parameter to DangerousAddRef */
5554 dar_release_slot = mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
5556 /* set release = false; */
5557 mono_mb_emit_icon (mb, 0);
5558 mono_mb_emit_stloc (mb, dar_release_slot);
5560 /* safehandle.DangerousAddRef (ref release) */
5561 mono_mb_emit_ldarg (mb, argnum);
5562 mono_mb_emit_ldloc_addr (mb, dar_release_slot);
5563 mono_mb_emit_managed_call (mb, sh_dangerous_add_ref, NULL);
5565 /* Pull the handle field from SafeHandle */
5566 mono_mb_emit_ldarg (mb, argnum);
5567 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoSafeHandle, handle));
5568 mono_mb_emit_byte (mb, CEE_LDIND_I);
5569 mono_mb_emit_stloc (mb, conv_arg);
5574 case MARSHAL_ACTION_PUSH:
5576 mono_mb_emit_ldloc_addr (mb, conv_arg);
5578 mono_mb_emit_ldloc (mb, conv_arg);
5581 case MARSHAL_ACTION_CONV_OUT: {
5582 /* The slot for the boolean is the next temporary created after conv_arg, see the CONV_IN code */
5583 int dar_release_slot = conv_arg + 1;
5586 if (!sh_dangerous_release)
5587 init_safe_handle ();
5593 * My tests indicate that ref SafeHandles parameters are not actually
5594 * passed by ref, but instead a new Handle is created regardless of
5595 * whether a change happens in the unmanaged side.
5597 * Also, the Handle is created before calling into unmanaged code,
5598 * but we do not support that mechanism (getting to the original
5599 * handle) and it makes no difference where we create this
5601 ctor = mono_class_get_method_from_name (t->data.klass, ".ctor", 0);
5603 mono_mb_emit_exception (mb, "MissingMethodException", "paramterless constructor required");
5606 /* refval = new SafeHandleDerived ()*/
5607 mono_mb_emit_ldarg (mb, argnum);
5608 mono_mb_emit_op (mb, CEE_NEWOBJ, ctor);
5609 mono_mb_emit_byte (mb, CEE_STIND_REF);
5611 /* refval.handle = returned_handle */
5612 mono_mb_emit_ldarg (mb, argnum);
5613 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5614 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoSafeHandle, handle));
5615 mono_mb_emit_ldloc (mb, conv_arg);
5616 mono_mb_emit_byte (mb, CEE_STIND_I);
5618 mono_mb_emit_ldloc (mb, dar_release_slot);
5619 label_next = mono_mb_emit_branch (mb, CEE_BRFALSE);
5620 mono_mb_emit_ldarg (mb, argnum);
5621 mono_mb_emit_managed_call (mb, sh_dangerous_release, NULL);
5622 mono_mb_patch_branch (mb, label_next);
5627 case MARSHAL_ACTION_CONV_RESULT: {
5628 MonoMethod *ctor = NULL;
5629 int intptr_handle_slot;
5631 if (mono_class_is_abstract (t->data.klass)) {
5632 mono_mb_emit_byte (mb, CEE_POP);
5633 mono_mb_emit_exception_marshal_directive (mb, g_strdup ("Returned SafeHandles should not be abstract"));
5637 ctor = mono_class_get_method_from_name (t->data.klass, ".ctor", 0);
5639 mono_mb_emit_byte (mb, CEE_POP);
5640 mono_mb_emit_exception (mb, "MissingMethodException", "paramterless constructor required");
5643 /* Store the IntPtr results into a local */
5644 intptr_handle_slot = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5645 mono_mb_emit_stloc (mb, intptr_handle_slot);
5647 /* Create return value */
5648 mono_mb_emit_op (mb, CEE_NEWOBJ, ctor);
5649 mono_mb_emit_stloc (mb, 3);
5651 /* Set the return.handle to the value, am using ldflda, not sure if thats a good idea */
5652 mono_mb_emit_ldloc (mb, 3);
5653 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoSafeHandle, handle));
5654 mono_mb_emit_ldloc (mb, intptr_handle_slot);
5655 mono_mb_emit_byte (mb, CEE_STIND_I);
5659 case MARSHAL_ACTION_MANAGED_CONV_IN:
5660 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_IN\n");
5663 case MARSHAL_ACTION_MANAGED_CONV_OUT:
5664 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_OUT\n");
5667 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
5668 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_RESULT\n");
5671 printf ("Unhandled case for MarshalAction: %d\n", action);
5679 emit_marshal_handleref (EmitMarshalContext *m, int argnum, MonoType *t,
5680 MonoMarshalSpec *spec, int conv_arg,
5681 MonoType **conv_arg_type, MarshalAction action)
5684 if (action == MARSHAL_ACTION_CONV_IN)
5685 *conv_arg_type = &mono_defaults.int_class->byval_arg;
5687 MonoMethodBuilder *mb = m->mb;
5690 case MARSHAL_ACTION_CONV_IN: {
5691 MonoType *intptr_type;
5693 intptr_type = &mono_defaults.int_class->byval_arg;
5694 conv_arg = mono_mb_add_local (mb, intptr_type);
5695 *conv_arg_type = intptr_type;
5698 char *msg = g_strdup ("HandleRefs can not be returned from unmanaged code (or passed by ref)");
5699 mono_mb_emit_exception_marshal_directive (mb, msg);
5702 mono_mb_emit_ldarg_addr (mb, argnum);
5703 mono_mb_emit_icon (mb, MONO_STRUCT_OFFSET (MonoHandleRef, handle));
5704 mono_mb_emit_byte (mb, CEE_ADD);
5705 mono_mb_emit_byte (mb, CEE_LDIND_I);
5706 mono_mb_emit_stloc (mb, conv_arg);
5710 case MARSHAL_ACTION_PUSH:
5711 mono_mb_emit_ldloc (mb, conv_arg);
5714 case MARSHAL_ACTION_CONV_OUT: {
5715 /* no resource release required */
5719 case MARSHAL_ACTION_CONV_RESULT: {
5720 char *msg = g_strdup ("HandleRefs can not be returned from unmanaged code (or passed by ref)");
5721 mono_mb_emit_exception_marshal_directive (mb, msg);
5725 case MARSHAL_ACTION_MANAGED_CONV_IN:
5726 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_IN\n");
5729 case MARSHAL_ACTION_MANAGED_CONV_OUT:
5730 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_OUT\n");
5733 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
5734 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_RESULT\n");
5737 fprintf (stderr, "Unhandled case for MarshalAction: %d\n", action);
5745 emit_marshal_object (EmitMarshalContext *m, int argnum, MonoType *t,
5746 MonoMarshalSpec *spec,
5747 int conv_arg, MonoType **conv_arg_type,
5748 MarshalAction action)
5751 if (action == MARSHAL_ACTION_CONV_IN)
5752 *conv_arg_type = &mono_defaults.int_class->byval_arg;
5754 MonoMethodBuilder *mb = m->mb;
5755 MonoClass *klass = mono_class_from_mono_type (t);
5759 case MARSHAL_ACTION_CONV_IN:
5760 *conv_arg_type = &mono_defaults.int_class->byval_arg;
5761 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5763 m->orig_conv_args [argnum] = 0;
5765 if (mono_class_from_mono_type (t) == mono_defaults.object_class) {
5766 char *msg = g_strdup_printf ("Marshalling of type object is not implemented");
5767 mono_mb_emit_exception_marshal_directive (mb, msg);
5771 if (klass->delegate) {
5773 if (!(t->attrs & PARAM_ATTRIBUTE_OUT)) {
5774 char *msg = g_strdup_printf ("Byref marshalling of delegates is not implemented.");
5775 mono_mb_emit_exception_marshal_directive (mb, msg);
5777 mono_mb_emit_byte (mb, CEE_LDNULL);
5778 mono_mb_emit_stloc (mb, conv_arg);
5780 mono_mb_emit_ldarg (mb, argnum);
5781 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_DEL_FTN, NULL));
5782 mono_mb_emit_stloc (mb, conv_arg);
5784 } else if (klass == mono_defaults.stringbuilder_class) {
5785 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
5786 MonoMarshalConv conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
5790 if (!(t->attrs & PARAM_ATTRIBUTE_OUT)) {
5791 char *msg = g_strdup_printf ("Byref marshalling of stringbuilders is not implemented.");
5792 mono_mb_emit_exception_marshal_directive (mb, msg);
5798 if (t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && (t->attrs & PARAM_ATTRIBUTE_OUT))
5801 if (conv == MONO_MARSHAL_CONV_INVALID) {
5802 char *msg = g_strdup_printf ("stringbuilder marshalling conversion %d not implemented", encoding);
5803 mono_mb_emit_exception_marshal_directive (mb, msg);
5807 mono_mb_emit_ldarg (mb, argnum);
5809 mono_mb_emit_byte (mb, CEE_LDIND_I);
5811 mono_mb_emit_icall (mb, conv_to_icall (conv, NULL));
5812 mono_mb_emit_stloc (mb, conv_arg);
5813 } else if (klass->blittable) {
5814 mono_mb_emit_byte (mb, CEE_LDNULL);
5815 mono_mb_emit_stloc (mb, conv_arg);
5817 mono_mb_emit_ldarg (mb, argnum);
5818 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
5820 mono_mb_emit_ldarg (mb, argnum);
5821 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
5822 mono_mb_emit_stloc (mb, conv_arg);
5824 mono_mb_patch_branch (mb, pos);
5827 mono_mb_emit_byte (mb, CEE_LDNULL);
5828 mono_mb_emit_stloc (mb, conv_arg);
5831 /* we dont need any conversions for out parameters */
5832 if (t->attrs & PARAM_ATTRIBUTE_OUT)
5835 mono_mb_emit_ldarg (mb, argnum);
5836 mono_mb_emit_byte (mb, CEE_LDIND_I);
5839 mono_mb_emit_ldarg (mb, argnum);
5840 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5841 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
5844 /* store the address of the source into local variable 0 */
5845 mono_mb_emit_stloc (mb, 0);
5846 mono_mb_emit_ldloc (mb, 0);
5847 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
5849 /* allocate space for the native struct and store the address */
5850 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
5851 mono_mb_emit_byte (mb, CEE_PREFIX1);
5852 mono_mb_emit_byte (mb, CEE_LOCALLOC);
5853 mono_mb_emit_stloc (mb, conv_arg);
5856 /* Need to store the original buffer so we can free it later */
5857 m->orig_conv_args [argnum] = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5858 mono_mb_emit_ldloc (mb, conv_arg);
5859 mono_mb_emit_stloc (mb, m->orig_conv_args [argnum]);
5862 /* set the src_ptr */
5863 mono_mb_emit_ldloc (mb, 0);
5864 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
5865 mono_mb_emit_stloc (mb, 0);
5868 mono_mb_emit_ldloc (mb, conv_arg);
5869 mono_mb_emit_stloc (mb, 1);
5871 /* emit valuetype conversion code */
5872 emit_struct_conv (mb, klass, FALSE);
5874 mono_mb_patch_branch (mb, pos);
5878 case MARSHAL_ACTION_CONV_OUT:
5879 if (klass == mono_defaults.stringbuilder_class) {
5881 MonoMarshalNative encoding;
5882 MonoMarshalConv conv;
5884 encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
5885 conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free);
5887 g_assert (encoding != -1);
5890 //g_assert (!(t->attrs & PARAM_ATTRIBUTE_OUT));
5894 mono_mb_emit_ldarg (mb, argnum);
5895 mono_mb_emit_ldloc (mb, conv_arg);
5898 case MONO_NATIVE_LPWSTR:
5899 mono_mb_emit_icall (mb, mono_string_utf16_to_builder2);
5901 case MONO_NATIVE_LPSTR:
5902 mono_mb_emit_icall (mb, mono_string_utf8_to_builder2);
5904 case MONO_NATIVE_UTF8STR:
5905 mono_mb_emit_icall (mb, mono_string_utf8_to_builder2);
5908 g_assert_not_reached ();
5911 mono_mb_emit_byte (mb, CEE_STIND_REF);
5913 mono_mb_emit_ldarg (mb, argnum);
5914 mono_mb_emit_ldloc (mb, conv_arg);
5916 mono_mb_emit_icall (mb, conv_to_icall (conv, NULL));
5920 mono_mb_emit_ldloc (mb, conv_arg);
5921 mono_mb_emit_icall (mb, mono_marshal_free);
5926 if (klass->delegate) {
5928 mono_mb_emit_ldarg (mb, argnum);
5929 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5930 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
5931 mono_mb_emit_ldloc (mb, conv_arg);
5932 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_FTN_DEL, NULL));
5933 mono_mb_emit_byte (mb, CEE_STIND_REF);
5938 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT)) {
5939 /* allocate a new object */
5940 mono_mb_emit_ldarg (mb, argnum);
5941 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5942 mono_mb_emit_op (mb, CEE_MONO_NEWOBJ, klass);
5943 mono_mb_emit_byte (mb, CEE_STIND_REF);
5946 /* dst = *argument */
5947 mono_mb_emit_ldarg (mb, argnum);
5950 mono_mb_emit_byte (mb, CEE_LDIND_I);
5952 mono_mb_emit_stloc (mb, 1);
5954 mono_mb_emit_ldloc (mb, 1);
5955 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
5957 if (t->byref || (t->attrs & PARAM_ATTRIBUTE_OUT)) {
5958 mono_mb_emit_ldloc (mb, 1);
5959 mono_mb_emit_icon (mb, sizeof (MonoObject));
5960 mono_mb_emit_byte (mb, CEE_ADD);
5961 mono_mb_emit_stloc (mb, 1);
5963 /* src = tmp_locals [i] */
5964 mono_mb_emit_ldloc (mb, conv_arg);
5965 mono_mb_emit_stloc (mb, 0);
5967 /* emit valuetype conversion code */
5968 emit_struct_conv (mb, klass, TRUE);
5970 /* Free the structure returned by the native code */
5971 emit_struct_free (mb, klass, conv_arg);
5973 if (m->orig_conv_args [argnum]) {
5975 * If the native function changed the pointer, then free
5976 * the original structure plus the new pointer.
5978 mono_mb_emit_ldloc (mb, m->orig_conv_args [argnum]);
5979 mono_mb_emit_ldloc (mb, conv_arg);
5980 pos2 = mono_mb_emit_branch (mb, CEE_BEQ);
5982 if (!(t->attrs & PARAM_ATTRIBUTE_OUT)) {
5983 g_assert (m->orig_conv_args [argnum]);
5985 emit_struct_free (mb, klass, m->orig_conv_args [argnum]);
5988 mono_mb_emit_ldloc (mb, conv_arg);
5989 mono_mb_emit_icall (mb, mono_marshal_free);
5991 mono_mb_patch_branch (mb, pos2);
5995 /* Free the original structure passed to native code */
5996 emit_struct_free (mb, klass, conv_arg);
5998 mono_mb_patch_branch (mb, pos);
6001 case MARSHAL_ACTION_PUSH:
6003 mono_mb_emit_ldloc_addr (mb, conv_arg);
6005 mono_mb_emit_ldloc (mb, conv_arg);
6008 case MARSHAL_ACTION_CONV_RESULT:
6009 if (klass->delegate) {
6010 g_assert (!t->byref);
6011 mono_mb_emit_stloc (mb, 0);
6012 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6013 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
6014 mono_mb_emit_ldloc (mb, 0);
6015 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_FTN_DEL, NULL));
6016 mono_mb_emit_stloc (mb, 3);
6017 } else if (klass == mono_defaults.stringbuilder_class){
6021 mono_mb_emit_stloc (mb, 0);
6023 /* Make a copy since emit_conv modifies local 0 */
6024 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6025 mono_mb_emit_ldloc (mb, 0);
6026 mono_mb_emit_stloc (mb, loc);
6028 mono_mb_emit_byte (mb, CEE_LDNULL);
6029 mono_mb_emit_stloc (mb, 3);
6031 mono_mb_emit_ldloc (mb, 0);
6032 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6034 /* allocate result object */
6036 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6037 mono_mb_emit_op (mb, CEE_MONO_NEWOBJ, klass);
6038 mono_mb_emit_stloc (mb, 3);
6042 mono_mb_emit_ldloc (mb, 3);
6043 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6044 mono_mb_emit_stloc (mb, 1);
6046 /* emit conversion code */
6047 emit_struct_conv (mb, klass, TRUE);
6049 emit_struct_free (mb, klass, loc);
6051 /* Free the pointer allocated by unmanaged code */
6052 mono_mb_emit_ldloc (mb, loc);
6053 mono_mb_emit_icall (mb, mono_marshal_free);
6054 mono_mb_patch_branch (mb, pos);
6058 case MARSHAL_ACTION_MANAGED_CONV_IN:
6059 conv_arg = mono_mb_add_local (mb, &klass->byval_arg);
6061 if (klass->delegate) {
6062 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6063 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
6064 mono_mb_emit_ldarg (mb, argnum);
6066 mono_mb_emit_byte (mb, CEE_LDIND_I);
6067 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_FTN_DEL, NULL));
6068 mono_mb_emit_stloc (mb, conv_arg);
6072 if (klass == mono_defaults.stringbuilder_class) {
6073 MonoMarshalNative encoding;
6075 encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
6078 g_assert (encoding == MONO_NATIVE_LPSTR || encoding == MONO_NATIVE_UTF8STR);
6080 g_assert (!t->byref);
6081 g_assert (encoding != -1);
6083 mono_mb_emit_ldarg (mb, argnum);
6084 mono_mb_emit_icall (mb, mono_string_utf8_to_builder2);
6085 mono_mb_emit_stloc (mb, conv_arg);
6089 /* The class can not have an automatic layout */
6090 if (mono_class_is_auto_layout (klass)) {
6091 mono_mb_emit_auto_layout_exception (mb, klass);
6095 if (t->attrs & PARAM_ATTRIBUTE_OUT) {
6096 mono_mb_emit_byte (mb, CEE_LDNULL);
6097 mono_mb_emit_stloc (mb, conv_arg);
6102 mono_mb_emit_ldarg (mb, argnum);
6106 /* Check for NULL and raise an exception */
6107 pos2 = mono_mb_emit_branch (mb, CEE_BRTRUE);
6109 mono_mb_emit_exception (mb, "ArgumentNullException", NULL);
6111 mono_mb_patch_branch (mb, pos2);
6112 mono_mb_emit_ldarg (mb, argnum);
6113 mono_mb_emit_byte (mb, CEE_LDIND_I);
6116 mono_mb_emit_stloc (mb, 0);
6118 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
6119 mono_mb_emit_stloc (mb, conv_arg);
6121 mono_mb_emit_ldloc (mb, 0);
6122 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6124 /* Create and set dst */
6125 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6126 mono_mb_emit_op (mb, CEE_MONO_NEWOBJ, klass);
6127 mono_mb_emit_stloc (mb, conv_arg);
6128 mono_mb_emit_ldloc (mb, conv_arg);
6129 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6130 mono_mb_emit_stloc (mb, 1);
6132 /* emit valuetype conversion code */
6133 emit_struct_conv (mb, klass, TRUE);
6135 mono_mb_patch_branch (mb, pos);
6138 case MARSHAL_ACTION_MANAGED_CONV_OUT:
6139 if (klass->delegate) {
6142 mono_mb_emit_ldarg (mb, argnum);
6143 mono_mb_emit_ldloc (mb, conv_arg);
6144 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_DEL_FTN, &stind_op));
6145 mono_mb_emit_byte (mb, stind_op);
6151 /* Check for null */
6152 mono_mb_emit_ldloc (mb, conv_arg);
6153 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
6154 mono_mb_emit_ldarg (mb, argnum);
6155 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
6156 mono_mb_emit_byte (mb, CEE_STIND_REF);
6157 pos2 = mono_mb_emit_branch (mb, CEE_BR);
6159 mono_mb_patch_branch (mb, pos);
6162 mono_mb_emit_ldloc (mb, conv_arg);
6163 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6164 mono_mb_emit_stloc (mb, 0);
6166 /* Allocate and set dest */
6167 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
6168 mono_mb_emit_byte (mb, CEE_CONV_I);
6169 mono_mb_emit_icall (mb, ves_icall_marshal_alloc);
6170 mono_mb_emit_stloc (mb, 1);
6172 /* Update argument pointer */
6173 mono_mb_emit_ldarg (mb, argnum);
6174 mono_mb_emit_ldloc (mb, 1);
6175 mono_mb_emit_byte (mb, CEE_STIND_I);
6177 /* emit valuetype conversion code */
6178 emit_struct_conv (mb, klass, FALSE);
6180 mono_mb_patch_branch (mb, pos2);
6181 } else if (klass == mono_defaults.stringbuilder_class) {
6182 // FIXME: What to do here ?
6184 /* byval [Out] marshalling */
6186 /* FIXME: Handle null */
6189 mono_mb_emit_ldloc (mb, conv_arg);
6190 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6191 mono_mb_emit_stloc (mb, 0);
6194 mono_mb_emit_ldarg (mb, argnum);
6195 mono_mb_emit_stloc (mb, 1);
6197 /* emit valuetype conversion code */
6198 emit_struct_conv (mb, klass, FALSE);
6202 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
6203 if (klass->delegate) {
6204 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_DEL_FTN, NULL));
6205 mono_mb_emit_stloc (mb, 3);
6209 /* The class can not have an automatic layout */
6210 if (mono_class_is_auto_layout (klass)) {
6211 mono_mb_emit_auto_layout_exception (mb, klass);
6215 mono_mb_emit_stloc (mb, 0);
6216 /* Check for null */
6217 mono_mb_emit_ldloc (mb, 0);
6218 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
6219 mono_mb_emit_byte (mb, CEE_LDNULL);
6220 mono_mb_emit_stloc (mb, 3);
6221 pos2 = mono_mb_emit_branch (mb, CEE_BR);
6223 mono_mb_patch_branch (mb, pos);
6226 mono_mb_emit_ldloc (mb, 0);
6227 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6228 mono_mb_emit_stloc (mb, 0);
6230 /* Allocate and set dest */
6231 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
6232 mono_mb_emit_byte (mb, CEE_CONV_I);
6233 mono_mb_emit_icall (mb, ves_icall_marshal_alloc);
6234 mono_mb_emit_byte (mb, CEE_DUP);
6235 mono_mb_emit_stloc (mb, 1);
6236 mono_mb_emit_stloc (mb, 3);
6238 emit_struct_conv (mb, klass, FALSE);
6240 mono_mb_patch_branch (mb, pos2);
6244 g_assert_not_reached ();
6255 emit_marshal_variant (EmitMarshalContext *m, int argnum, MonoType *t,
6256 MonoMarshalSpec *spec,
6257 int conv_arg, MonoType **conv_arg_type,
6258 MarshalAction action)
6260 MonoMethodBuilder *mb = m->mb;
6261 static MonoMethod *get_object_for_native_variant = NULL;
6262 static MonoMethod *get_native_variant_for_object = NULL;
6264 if (!get_object_for_native_variant)
6265 get_object_for_native_variant = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetObjectForNativeVariant", 1);
6266 g_assert (get_object_for_native_variant);
6268 if (!get_native_variant_for_object)
6269 get_native_variant_for_object = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetNativeVariantForObject", 2);
6270 g_assert (get_native_variant_for_object);
6273 case MARSHAL_ACTION_CONV_IN: {
6274 conv_arg = mono_mb_add_local (mb, &mono_class_get_variant_class ()->byval_arg);
6277 *conv_arg_type = &mono_class_get_variant_class ()->this_arg;
6279 *conv_arg_type = &mono_class_get_variant_class ()->byval_arg;
6281 if (t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && t->attrs & PARAM_ATTRIBUTE_OUT)
6284 mono_mb_emit_ldarg (mb, argnum);
6286 mono_mb_emit_byte(mb, CEE_LDIND_REF);
6287 mono_mb_emit_ldloc_addr (mb, conv_arg);
6288 mono_mb_emit_managed_call (mb, get_native_variant_for_object, NULL);
6292 case MARSHAL_ACTION_CONV_OUT: {
6293 static MonoMethod *variant_clear = NULL;
6296 variant_clear = mono_class_get_method_from_name (mono_class_get_variant_class (), "Clear", 0);
6297 g_assert (variant_clear);
6300 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT || !(t->attrs & PARAM_ATTRIBUTE_IN))) {
6301 mono_mb_emit_ldarg (mb, argnum);
6302 mono_mb_emit_ldloc_addr (mb, conv_arg);
6303 mono_mb_emit_managed_call (mb, get_object_for_native_variant, NULL);
6304 mono_mb_emit_byte (mb, CEE_STIND_REF);
6307 mono_mb_emit_ldloc_addr (mb, conv_arg);
6308 mono_mb_emit_managed_call (mb, variant_clear, NULL);
6312 case MARSHAL_ACTION_PUSH:
6314 mono_mb_emit_ldloc_addr (mb, conv_arg);
6316 mono_mb_emit_ldloc (mb, conv_arg);
6319 case MARSHAL_ACTION_CONV_RESULT: {
6320 char *msg = g_strdup ("Marshalling of VARIANT not supported as a return type.");
6321 mono_mb_emit_exception_marshal_directive (mb, msg);
6325 case MARSHAL_ACTION_MANAGED_CONV_IN: {
6326 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
6329 *conv_arg_type = &mono_class_get_variant_class ()->this_arg;
6331 *conv_arg_type = &mono_class_get_variant_class ()->byval_arg;
6333 if (t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && t->attrs & PARAM_ATTRIBUTE_OUT)
6337 mono_mb_emit_ldarg (mb, argnum);
6339 mono_mb_emit_ldarg_addr (mb, argnum);
6340 mono_mb_emit_managed_call (mb, get_object_for_native_variant, NULL);
6341 mono_mb_emit_stloc (mb, conv_arg);
6345 case MARSHAL_ACTION_MANAGED_CONV_OUT: {
6346 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT || !(t->attrs & PARAM_ATTRIBUTE_IN))) {
6347 mono_mb_emit_ldloc (mb, conv_arg);
6348 mono_mb_emit_ldarg (mb, argnum);
6349 mono_mb_emit_managed_call (mb, get_native_variant_for_object, NULL);
6354 case MARSHAL_ACTION_MANAGED_CONV_RESULT: {
6355 char *msg = g_strdup ("Marshalling of VARIANT not supported as a return type.");
6356 mono_mb_emit_exception_marshal_directive (mb, msg);
6361 g_assert_not_reached ();
6367 #endif /* DISABLE_COM */
6368 #endif /* DISABLE_JIT */
6371 mono_pinvoke_is_unicode (MonoMethodPInvoke *piinfo)
6373 switch (piinfo->piflags & PINVOKE_ATTRIBUTE_CHAR_SET_MASK) {
6374 case PINVOKE_ATTRIBUTE_CHAR_SET_ANSI:
6376 case PINVOKE_ATTRIBUTE_CHAR_SET_UNICODE:
6378 case PINVOKE_ATTRIBUTE_CHAR_SET_AUTO:
6390 emit_marshal_array (EmitMarshalContext *m, int argnum, MonoType *t,
6391 MonoMarshalSpec *spec,
6392 int conv_arg, MonoType **conv_arg_type,
6393 MarshalAction action)
6397 case MARSHAL_ACTION_CONV_IN:
6398 *conv_arg_type = &mono_defaults.object_class->byval_arg;
6400 case MARSHAL_ACTION_MANAGED_CONV_IN:
6401 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6405 MonoMethodBuilder *mb = m->mb;
6406 MonoClass *klass = mono_class_from_mono_type (t);
6407 gboolean need_convert, need_free;
6408 MonoMarshalNative encoding;
6410 encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
6413 case MARSHAL_ACTION_CONV_IN:
6414 *conv_arg_type = &mono_defaults.object_class->byval_arg;
6415 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
6417 if (klass->element_class->blittable) {
6418 mono_mb_emit_ldarg (mb, argnum);
6420 mono_mb_emit_byte (mb, CEE_LDIND_I);
6421 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_ARRAY_LPARRAY, NULL));
6422 mono_mb_emit_stloc (mb, conv_arg);
6425 guint32 label1, label2, label3;
6426 int index_var, src_var, dest_ptr, esize;
6427 MonoMarshalConv conv;
6428 gboolean is_string = FALSE;
6430 dest_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6432 eklass = klass->element_class;
6434 if (eklass == mono_defaults.string_class) {
6436 conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
6438 else if (eklass == mono_defaults.stringbuilder_class) {
6440 conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
6443 conv = MONO_MARSHAL_CONV_INVALID;
6445 if (is_string && conv == MONO_MARSHAL_CONV_INVALID) {
6446 char *msg = g_strdup_printf ("string/stringbuilder marshalling conversion %d not implemented", encoding);
6447 mono_mb_emit_exception_marshal_directive (mb, msg);
6451 src_var = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
6452 mono_mb_emit_ldarg (mb, argnum);
6454 mono_mb_emit_byte (mb, CEE_LDIND_I);
6455 mono_mb_emit_stloc (mb, src_var);
6458 mono_mb_emit_ldloc (mb, src_var);
6459 mono_mb_emit_stloc (mb, conv_arg);
6460 mono_mb_emit_ldloc (mb, src_var);
6461 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6464 esize = sizeof (gpointer);
6465 else if (eklass == mono_defaults.char_class) /*can't call mono_marshal_type_size since it causes all sorts of asserts*/
6466 esize = mono_pinvoke_is_unicode (m->piinfo) ? 2 : 1;
6468 esize = mono_class_native_size (eklass, NULL);
6470 /* allocate space for the native struct and store the address */
6471 mono_mb_emit_icon (mb, esize);
6472 mono_mb_emit_ldloc (mb, src_var);
6473 mono_mb_emit_byte (mb, CEE_LDLEN);
6475 if (eklass == mono_defaults.string_class) {
6476 /* Make the array bigger for the terminating null */
6477 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
6478 mono_mb_emit_byte (mb, CEE_ADD);
6480 mono_mb_emit_byte (mb, CEE_MUL);
6481 mono_mb_emit_byte (mb, CEE_PREFIX1);
6482 mono_mb_emit_byte (mb, CEE_LOCALLOC);
6483 mono_mb_emit_stloc (mb, conv_arg);
6485 mono_mb_emit_ldloc (mb, conv_arg);
6486 mono_mb_emit_stloc (mb, dest_ptr);
6488 /* Emit marshalling loop */
6489 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6490 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
6491 mono_mb_emit_stloc (mb, index_var);
6492 label2 = mono_mb_get_label (mb);
6493 mono_mb_emit_ldloc (mb, index_var);
6494 mono_mb_emit_ldloc (mb, src_var);
6495 mono_mb_emit_byte (mb, CEE_LDLEN);
6496 label3 = mono_mb_emit_branch (mb, CEE_BGE);
6498 /* Emit marshalling code */
6502 mono_mb_emit_ldloc (mb, dest_ptr);
6503 mono_mb_emit_ldloc (mb, src_var);
6504 mono_mb_emit_ldloc (mb, index_var);
6505 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
6506 mono_mb_emit_icall (mb, conv_to_icall (conv, &stind_op));
6507 mono_mb_emit_byte (mb, stind_op);
6509 /* set the src_ptr */
6510 mono_mb_emit_ldloc (mb, src_var);
6511 mono_mb_emit_ldloc (mb, index_var);
6512 mono_mb_emit_op (mb, CEE_LDELEMA, eklass);
6513 mono_mb_emit_stloc (mb, 0);
6516 mono_mb_emit_ldloc (mb, dest_ptr);
6517 mono_mb_emit_stloc (mb, 1);
6519 /* emit valuetype conversion code */
6520 emit_struct_conv_full (mb, eklass, FALSE, 0, eklass == mono_defaults.char_class ? encoding : (MonoMarshalNative)-1);
6523 mono_mb_emit_add_to_local (mb, index_var, 1);
6524 mono_mb_emit_add_to_local (mb, dest_ptr, esize);
6526 mono_mb_emit_branch_label (mb, CEE_BR, label2);
6528 mono_mb_patch_branch (mb, label3);
6530 if (eklass == mono_defaults.string_class) {
6531 /* Null terminate */
6532 mono_mb_emit_ldloc (mb, dest_ptr);
6533 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
6534 mono_mb_emit_byte (mb, CEE_STIND_REF);
6537 mono_mb_patch_branch (mb, label1);
6542 case MARSHAL_ACTION_CONV_OUT:
6543 /* Unicode character arrays are implicitly marshalled as [Out] under MS.NET */
6544 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);
6545 need_free = mono_marshal_need_free (&klass->element_class->byval_arg,
6548 if ((t->attrs & PARAM_ATTRIBUTE_OUT) && spec && spec->native == MONO_NATIVE_LPARRAY && spec->data.array_data.param_num != -1) {
6549 int param_num = spec->data.array_data.param_num;
6550 MonoType *param_type;
6552 param_type = m->sig->params [param_num];
6554 if (param_type->byref && param_type->type != MONO_TYPE_I4) {
6555 char *msg = g_strdup ("Not implemented.");
6556 mono_mb_emit_exception_marshal_directive (mb, msg);
6561 mono_mb_emit_ldarg (mb, argnum);
6563 /* Create the managed array */
6564 mono_mb_emit_ldarg (mb, param_num);
6565 if (m->sig->params [param_num]->byref)
6566 // FIXME: Support other types
6567 mono_mb_emit_byte (mb, CEE_LDIND_I4);
6568 mono_mb_emit_byte (mb, CEE_CONV_OVF_I);
6569 mono_mb_emit_op (mb, CEE_NEWARR, klass->element_class);
6570 /* Store into argument */
6571 mono_mb_emit_byte (mb, CEE_STIND_REF);
6575 if (need_convert || need_free) {
6576 /* FIXME: Optimize blittable case */
6578 guint32 label1, label2, label3;
6579 int index_var, src_ptr, loc, esize;
6581 eklass = klass->element_class;
6582 if ((eklass == mono_defaults.stringbuilder_class) || (eklass == mono_defaults.string_class))
6583 esize = sizeof (gpointer);
6584 else if (eklass == mono_defaults.char_class)
6585 esize = mono_pinvoke_is_unicode (m->piinfo) ? 2 : 1;
6587 esize = mono_class_native_size (eklass, NULL);
6588 src_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6589 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6592 mono_mb_emit_ldarg (mb, argnum);
6594 mono_mb_emit_byte (mb, CEE_LDIND_I);
6595 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6597 mono_mb_emit_ldloc (mb, conv_arg);
6598 mono_mb_emit_stloc (mb, src_ptr);
6600 /* Emit marshalling loop */
6601 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6602 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
6603 mono_mb_emit_stloc (mb, index_var);
6604 label2 = mono_mb_get_label (mb);
6605 mono_mb_emit_ldloc (mb, index_var);
6606 mono_mb_emit_ldarg (mb, argnum);
6608 mono_mb_emit_byte (mb, CEE_LDIND_REF);
6609 mono_mb_emit_byte (mb, CEE_LDLEN);
6610 label3 = mono_mb_emit_branch (mb, CEE_BGE);
6612 /* Emit marshalling code */
6614 if (eklass == mono_defaults.stringbuilder_class) {
6615 gboolean need_free2;
6616 MonoMarshalConv conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free2);
6618 g_assert (conv != MONO_MARSHAL_CONV_INVALID);
6621 mono_mb_emit_ldarg (mb, argnum);
6623 mono_mb_emit_byte (mb, CEE_LDIND_I);
6624 mono_mb_emit_ldloc (mb, index_var);
6625 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
6628 mono_mb_emit_ldloc (mb, src_ptr);
6629 mono_mb_emit_byte (mb, CEE_LDIND_I);
6631 mono_mb_emit_icall (mb, conv_to_icall (conv, NULL));
6635 mono_mb_emit_ldloc (mb, src_ptr);
6636 mono_mb_emit_byte (mb, CEE_LDIND_I);
6638 mono_mb_emit_icall (mb, mono_marshal_free);
6641 else if (eklass == mono_defaults.string_class) {
6644 mono_mb_emit_ldloc (mb, src_ptr);
6645 mono_mb_emit_byte (mb, CEE_LDIND_I);
6647 mono_mb_emit_icall (mb, mono_marshal_free);
6652 /* set the src_ptr */
6653 mono_mb_emit_ldloc (mb, src_ptr);
6654 mono_mb_emit_stloc (mb, 0);
6657 mono_mb_emit_ldarg (mb, argnum);
6659 mono_mb_emit_byte (mb, CEE_LDIND_REF);
6660 mono_mb_emit_ldloc (mb, index_var);
6661 mono_mb_emit_op (mb, CEE_LDELEMA, eklass);
6662 mono_mb_emit_stloc (mb, 1);
6664 /* emit valuetype conversion code */
6665 emit_struct_conv_full (mb, eklass, TRUE, 0, eklass == mono_defaults.char_class ? encoding : (MonoMarshalNative)-1);
6669 mono_mb_emit_ldloc (mb, src_ptr);
6670 mono_mb_emit_stloc (mb, loc);
6671 mono_mb_emit_ldloc (mb, loc);
6673 emit_struct_free (mb, eklass, loc);
6677 mono_mb_emit_add_to_local (mb, index_var, 1);
6678 mono_mb_emit_add_to_local (mb, src_ptr, esize);
6680 mono_mb_emit_branch_label (mb, CEE_BR, label2);
6682 mono_mb_patch_branch (mb, label1);
6683 mono_mb_patch_branch (mb, label3);
6686 if (klass->element_class->blittable) {
6687 /* free memory allocated (if any) by MONO_MARSHAL_CONV_ARRAY_LPARRAY */
6689 mono_mb_emit_ldarg (mb, argnum);
6691 mono_mb_emit_byte (mb, CEE_LDIND_REF);
6692 mono_mb_emit_ldloc (mb, conv_arg);
6693 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_FREE_LPARRAY, NULL));
6698 case MARSHAL_ACTION_PUSH:
6700 mono_mb_emit_ldloc_addr (mb, conv_arg);
6702 mono_mb_emit_ldloc (mb, conv_arg);
6705 case MARSHAL_ACTION_CONV_RESULT:
6706 /* fixme: we need conversions here */
6707 mono_mb_emit_stloc (mb, 3);
6710 case MARSHAL_ACTION_MANAGED_CONV_IN: {
6712 guint32 label1, label2, label3;
6713 int index_var, src_ptr, esize, param_num, num_elem;
6714 MonoMarshalConv conv;
6715 gboolean is_string = FALSE;
6717 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
6718 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6721 char *msg = g_strdup ("Byref array marshalling to managed code is not implemented.");
6722 mono_mb_emit_exception_marshal_directive (mb, msg);
6726 char *msg = g_strdup ("[MarshalAs] attribute required to marshal arrays to managed code.");
6727 mono_mb_emit_exception_marshal_directive (mb, msg);
6730 if (spec->native != MONO_NATIVE_LPARRAY) {
6731 char *msg = g_strdup ("Non LPArray marshalling of arrays to managed code is not implemented.");
6732 mono_mb_emit_exception_marshal_directive (mb, msg);
6736 /* FIXME: t is from the method which is wrapped, not the delegate type */
6737 /* g_assert (t->attrs & PARAM_ATTRIBUTE_IN); */
6739 param_num = spec->data.array_data.param_num;
6740 num_elem = spec->data.array_data.num_elem;
6741 if (spec->data.array_data.elem_mult == 0)
6742 /* param_num is not specified */
6745 if (param_num == -1) {
6746 if (num_elem <= 0) {
6747 char *msg = g_strdup ("Either SizeConst or SizeParamIndex should be specified when marshalling arrays to managed code.");
6748 mono_mb_emit_exception_marshal_directive (mb, msg);
6753 /* FIXME: Optimize blittable case */
6755 eklass = klass->element_class;
6756 if (eklass == mono_defaults.string_class) {
6758 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
6760 else if (eklass == mono_defaults.stringbuilder_class) {
6762 conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free);
6765 conv = MONO_MARSHAL_CONV_INVALID;
6767 mono_marshal_load_type_info (eklass);
6770 esize = sizeof (gpointer);
6772 esize = mono_class_native_size (eklass, NULL);
6773 src_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6775 mono_mb_emit_byte (mb, CEE_LDNULL);
6776 mono_mb_emit_stloc (mb, conv_arg);
6778 /* Check param index */
6779 if (param_num != -1) {
6780 if (param_num >= m->sig->param_count) {
6781 char *msg = g_strdup ("Array size control parameter index is out of range.");
6782 mono_mb_emit_exception_marshal_directive (mb, msg);
6785 switch (m->sig->params [param_num]->type) {
6798 char *msg = g_strdup ("Array size control parameter must be an integral type.");
6799 mono_mb_emit_exception_marshal_directive (mb, msg);
6806 mono_mb_emit_ldarg (mb, argnum);
6807 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6809 mono_mb_emit_ldarg (mb, argnum);
6810 mono_mb_emit_stloc (mb, src_ptr);
6812 /* Create managed array */
6814 * The LPArray marshalling spec says that sometimes param_num starts
6815 * from 1, sometimes it starts from 0. But MS seems to allways start
6819 if (param_num == -1) {
6820 mono_mb_emit_icon (mb, num_elem);
6822 mono_mb_emit_ldarg (mb, param_num);
6824 mono_mb_emit_icon (mb, num_elem);
6825 mono_mb_emit_byte (mb, CEE_ADD);
6827 mono_mb_emit_byte (mb, CEE_CONV_OVF_I);
6830 mono_mb_emit_op (mb, CEE_NEWARR, eklass);
6831 mono_mb_emit_stloc (mb, conv_arg);
6833 if (eklass->blittable) {
6834 mono_mb_emit_ldloc (mb, conv_arg);
6835 mono_mb_emit_byte (mb, CEE_CONV_I);
6836 mono_mb_emit_icon (mb, MONO_STRUCT_OFFSET (MonoArray, vector));
6837 mono_mb_emit_byte (mb, CEE_ADD);
6838 mono_mb_emit_ldarg (mb, argnum);
6839 mono_mb_emit_ldloc (mb, conv_arg);
6840 mono_mb_emit_byte (mb, CEE_LDLEN);
6841 mono_mb_emit_icon (mb, esize);
6842 mono_mb_emit_byte (mb, CEE_MUL);
6843 mono_mb_emit_byte (mb, CEE_PREFIX1);
6844 mono_mb_emit_byte (mb, CEE_CPBLK);
6845 mono_mb_patch_branch (mb, label1);
6849 /* Emit marshalling loop */
6850 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6851 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
6852 mono_mb_emit_stloc (mb, index_var);
6853 label2 = mono_mb_get_label (mb);
6854 mono_mb_emit_ldloc (mb, index_var);
6855 mono_mb_emit_ldloc (mb, conv_arg);
6856 mono_mb_emit_byte (mb, CEE_LDLEN);
6857 label3 = mono_mb_emit_branch (mb, CEE_BGE);
6859 /* Emit marshalling code */
6861 g_assert (conv != MONO_MARSHAL_CONV_INVALID);
6863 mono_mb_emit_ldloc (mb, conv_arg);
6864 mono_mb_emit_ldloc (mb, index_var);
6866 mono_mb_emit_ldloc (mb, src_ptr);
6867 mono_mb_emit_byte (mb, CEE_LDIND_I);
6869 mono_mb_emit_icall (mb, conv_to_icall (conv, NULL));
6870 mono_mb_emit_byte (mb, CEE_STELEM_REF);
6873 char *msg = g_strdup ("Marshalling of non-string and non-blittable arrays to managed code is not implemented.");
6874 mono_mb_emit_exception_marshal_directive (mb, msg);
6878 mono_mb_emit_add_to_local (mb, index_var, 1);
6879 mono_mb_emit_add_to_local (mb, src_ptr, esize);
6881 mono_mb_emit_branch_label (mb, CEE_BR, label2);
6883 mono_mb_patch_branch (mb, label1);
6884 mono_mb_patch_branch (mb, label3);
6888 case MARSHAL_ACTION_MANAGED_CONV_OUT: {
6890 guint32 label1, label2, label3;
6891 int index_var, dest_ptr, esize, param_num, num_elem;
6892 MonoMarshalConv conv;
6893 gboolean is_string = FALSE;
6896 /* Already handled in CONV_IN */
6899 /* These are already checked in CONV_IN */
6900 g_assert (!t->byref);
6901 g_assert (spec->native == MONO_NATIVE_LPARRAY);
6902 g_assert (t->attrs & PARAM_ATTRIBUTE_OUT);
6904 param_num = spec->data.array_data.param_num;
6905 num_elem = spec->data.array_data.num_elem;
6907 if (spec->data.array_data.elem_mult == 0)
6908 /* param_num is not specified */
6911 if (param_num == -1) {
6912 if (num_elem <= 0) {
6913 g_assert_not_reached ();
6917 /* FIXME: Optimize blittable case */
6919 eklass = klass->element_class;
6920 if (eklass == mono_defaults.string_class) {
6922 conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
6924 else if (eklass == mono_defaults.stringbuilder_class) {
6926 conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
6929 conv = MONO_MARSHAL_CONV_INVALID;
6931 mono_marshal_load_type_info (eklass);
6934 esize = sizeof (gpointer);
6936 esize = mono_class_native_size (eklass, NULL);
6938 dest_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6941 mono_mb_emit_ldloc (mb, conv_arg);
6942 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6944 mono_mb_emit_ldarg (mb, argnum);
6945 mono_mb_emit_stloc (mb, dest_ptr);
6947 if (eklass->blittable) {
6949 mono_mb_emit_ldarg (mb, argnum);
6951 mono_mb_emit_ldloc (mb, conv_arg);
6952 mono_mb_emit_byte (mb, CEE_CONV_I);
6953 mono_mb_emit_icon (mb, MONO_STRUCT_OFFSET (MonoArray, vector));
6954 mono_mb_emit_byte (mb, CEE_ADD);
6956 mono_mb_emit_ldloc (mb, conv_arg);
6957 mono_mb_emit_byte (mb, CEE_LDLEN);
6958 mono_mb_emit_icon (mb, esize);
6959 mono_mb_emit_byte (mb, CEE_MUL);
6960 mono_mb_emit_byte (mb, CEE_PREFIX1);
6961 mono_mb_emit_byte (mb, CEE_CPBLK);
6965 /* Emit marshalling loop */
6966 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6967 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
6968 mono_mb_emit_stloc (mb, index_var);
6969 label2 = mono_mb_get_label (mb);
6970 mono_mb_emit_ldloc (mb, index_var);
6971 mono_mb_emit_ldloc (mb, conv_arg);
6972 mono_mb_emit_byte (mb, CEE_LDLEN);
6973 label3 = mono_mb_emit_branch (mb, CEE_BGE);
6975 /* Emit marshalling code */
6978 g_assert (conv != MONO_MARSHAL_CONV_INVALID);
6981 mono_mb_emit_ldloc (mb, dest_ptr);
6984 mono_mb_emit_ldloc (mb, conv_arg);
6985 mono_mb_emit_ldloc (mb, index_var);
6987 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
6989 mono_mb_emit_icall (mb, conv_to_icall (conv, &stind_op));
6990 mono_mb_emit_byte (mb, stind_op);
6993 char *msg = g_strdup ("Marshalling of non-string and non-blittable arrays to managed code is not implemented.");
6994 mono_mb_emit_exception_marshal_directive (mb, msg);
6998 mono_mb_emit_add_to_local (mb, index_var, 1);
6999 mono_mb_emit_add_to_local (mb, dest_ptr, esize);
7001 mono_mb_emit_branch_label (mb, CEE_BR, label2);
7003 mono_mb_patch_branch (mb, label1);
7004 mono_mb_patch_branch (mb, label3);
7008 case MARSHAL_ACTION_MANAGED_CONV_RESULT: {
7010 guint32 label1, label2, label3;
7011 int index_var, src, dest, esize;
7012 MonoMarshalConv conv = MONO_MARSHAL_CONV_INVALID;
7013 gboolean is_string = FALSE;
7015 g_assert (!t->byref);
7017 eklass = klass->element_class;
7019 mono_marshal_load_type_info (eklass);
7021 if (eklass == mono_defaults.string_class) {
7023 conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
7026 g_assert_not_reached ();
7030 esize = sizeof (gpointer);
7031 else if (eklass == mono_defaults.char_class)
7032 esize = mono_pinvoke_is_unicode (m->piinfo) ? 2 : 1;
7034 esize = mono_class_native_size (eklass, NULL);
7036 src = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
7037 dest = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7039 mono_mb_emit_stloc (mb, src);
7040 mono_mb_emit_ldloc (mb, src);
7041 mono_mb_emit_stloc (mb, 3);
7043 /* Check for null */
7044 mono_mb_emit_ldloc (mb, src);
7045 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
7047 /* Allocate native array */
7048 mono_mb_emit_icon (mb, esize);
7049 mono_mb_emit_ldloc (mb, src);
7050 mono_mb_emit_byte (mb, CEE_LDLEN);
7052 if (eklass == mono_defaults.string_class) {
7053 /* Make the array bigger for the terminating null */
7054 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
7055 mono_mb_emit_byte (mb, CEE_ADD);
7057 mono_mb_emit_byte (mb, CEE_MUL);
7058 mono_mb_emit_icall (mb, ves_icall_marshal_alloc);
7059 mono_mb_emit_stloc (mb, dest);
7060 mono_mb_emit_ldloc (mb, dest);
7061 mono_mb_emit_stloc (mb, 3);
7063 /* Emit marshalling loop */
7064 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7065 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7066 mono_mb_emit_stloc (mb, index_var);
7067 label2 = mono_mb_get_label (mb);
7068 mono_mb_emit_ldloc (mb, index_var);
7069 mono_mb_emit_ldloc (mb, src);
7070 mono_mb_emit_byte (mb, CEE_LDLEN);
7071 label3 = mono_mb_emit_branch (mb, CEE_BGE);
7073 /* Emit marshalling code */
7076 g_assert (conv != MONO_MARSHAL_CONV_INVALID);
7079 mono_mb_emit_ldloc (mb, dest);
7082 mono_mb_emit_ldloc (mb, src);
7083 mono_mb_emit_ldloc (mb, index_var);
7085 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
7087 mono_mb_emit_icall (mb, conv_to_icall (conv, &stind_op));
7088 mono_mb_emit_byte (mb, stind_op);
7091 char *msg = g_strdup ("Marshalling of non-string arrays to managed code is not implemented.");
7092 mono_mb_emit_exception_marshal_directive (mb, msg);
7096 mono_mb_emit_add_to_local (mb, index_var, 1);
7097 mono_mb_emit_add_to_local (mb, dest, esize);
7099 mono_mb_emit_branch_label (mb, CEE_BR, label2);
7101 mono_mb_patch_branch (mb, label3);
7102 mono_mb_patch_branch (mb, label1);
7106 g_assert_not_reached ();
7113 marshal_boolean_conv_in_get_local_type (MonoMarshalSpec *spec, guint8 *ldc_op /*out*/)
7116 return &mono_defaults.int32_class->byval_arg;
7118 switch (spec->native) {
7119 case MONO_NATIVE_I1:
7120 case MONO_NATIVE_U1:
7121 return &mono_defaults.byte_class->byval_arg;
7122 case MONO_NATIVE_VARIANTBOOL:
7123 if (ldc_op) *ldc_op = CEE_LDC_I4_M1;
7124 return &mono_defaults.int16_class->byval_arg;
7125 case MONO_NATIVE_BOOLEAN:
7126 return &mono_defaults.int32_class->byval_arg;
7128 g_warning ("marshalling bool as native type %x is currently not supported", spec->native);
7129 return &mono_defaults.int32_class->byval_arg;
7135 marshal_boolean_managed_conv_in_get_conv_arg_class (MonoMarshalSpec *spec, guint8 *ldop/*out*/)
7137 MonoClass* conv_arg_class = mono_defaults.int32_class;
7139 switch (spec->native) {
7140 case MONO_NATIVE_I1:
7141 case MONO_NATIVE_U1:
7142 conv_arg_class = mono_defaults.byte_class;
7143 if (ldop) *ldop = CEE_LDIND_I1;
7145 case MONO_NATIVE_VARIANTBOOL:
7146 conv_arg_class = mono_defaults.int16_class;
7147 if (ldop) *ldop = CEE_LDIND_I2;
7149 case MONO_NATIVE_BOOLEAN:
7152 g_warning ("marshalling bool as native type %x is currently not supported", spec->native);
7155 return conv_arg_class;
7159 emit_marshal_boolean (EmitMarshalContext *m, int argnum, MonoType *t,
7160 MonoMarshalSpec *spec,
7161 int conv_arg, MonoType **conv_arg_type,
7162 MarshalAction action)
7166 case MARSHAL_ACTION_CONV_IN:
7168 *conv_arg_type = &mono_defaults.int_class->byval_arg;
7170 *conv_arg_type = marshal_boolean_conv_in_get_local_type (spec, NULL);
7173 case MARSHAL_ACTION_MANAGED_CONV_IN: {
7174 MonoClass* conv_arg_class = marshal_boolean_managed_conv_in_get_conv_arg_class (spec, NULL);
7176 *conv_arg_type = &conv_arg_class->this_arg;
7178 *conv_arg_type = &conv_arg_class->byval_arg;
7184 MonoMethodBuilder *mb = m->mb;
7187 case MARSHAL_ACTION_CONV_IN: {
7188 MonoType *local_type;
7190 guint8 ldc_op = CEE_LDC_I4_1;
7192 local_type = marshal_boolean_conv_in_get_local_type (spec, &ldc_op);
7194 *conv_arg_type = &mono_defaults.int_class->byval_arg;
7196 *conv_arg_type = local_type;
7197 conv_arg = mono_mb_add_local (mb, local_type);
7199 mono_mb_emit_ldarg (mb, argnum);
7201 mono_mb_emit_byte (mb, CEE_LDIND_I1);
7202 label_false = mono_mb_emit_branch (mb, CEE_BRFALSE);
7203 mono_mb_emit_byte (mb, ldc_op);
7204 mono_mb_emit_stloc (mb, conv_arg);
7205 mono_mb_patch_branch (mb, label_false);
7210 case MARSHAL_ACTION_CONV_OUT:
7212 int label_false, label_end;
7216 mono_mb_emit_ldarg (mb, argnum);
7217 mono_mb_emit_ldloc (mb, conv_arg);
7219 label_false = mono_mb_emit_branch (mb, CEE_BRFALSE);
7220 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
7222 label_end = mono_mb_emit_branch (mb, CEE_BR);
7223 mono_mb_patch_branch (mb, label_false);
7224 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7225 mono_mb_patch_branch (mb, label_end);
7227 mono_mb_emit_byte (mb, CEE_STIND_I1);
7231 case MARSHAL_ACTION_PUSH:
7233 mono_mb_emit_ldloc_addr (mb, conv_arg);
7235 mono_mb_emit_ldloc (mb, conv_arg);
7237 mono_mb_emit_ldarg (mb, argnum);
7240 case MARSHAL_ACTION_CONV_RESULT:
7241 /* maybe we need to make sure that it fits within 8 bits */
7242 mono_mb_emit_stloc (mb, 3);
7245 case MARSHAL_ACTION_MANAGED_CONV_IN: {
7246 MonoClass* conv_arg_class = mono_defaults.int32_class;
7247 guint8 ldop = CEE_LDIND_I4;
7248 int label_null, label_false;
7250 conv_arg_class = marshal_boolean_managed_conv_in_get_conv_arg_class (spec, &ldop);
7251 conv_arg = mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
7254 *conv_arg_type = &conv_arg_class->this_arg;
7256 *conv_arg_type = &conv_arg_class->byval_arg;
7259 mono_mb_emit_ldarg (mb, argnum);
7263 label_null = mono_mb_emit_branch (mb, CEE_BRFALSE);
7264 mono_mb_emit_ldarg (mb, argnum);
7265 mono_mb_emit_byte (mb, ldop);
7269 label_false = mono_mb_emit_branch (mb, CEE_BRFALSE);
7270 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
7271 mono_mb_emit_stloc (mb, conv_arg);
7272 mono_mb_patch_branch (mb, label_false);
7275 mono_mb_patch_branch (mb, label_null);
7279 case MARSHAL_ACTION_MANAGED_CONV_OUT: {
7280 guint8 stop = CEE_STIND_I4;
7281 guint8 ldc_op = CEE_LDC_I4_1;
7282 int label_null,label_false, label_end;;
7287 switch (spec->native) {
7288 case MONO_NATIVE_I1:
7289 case MONO_NATIVE_U1:
7290 stop = CEE_STIND_I1;
7292 case MONO_NATIVE_VARIANTBOOL:
7293 stop = CEE_STIND_I2;
7294 ldc_op = CEE_LDC_I4_M1;
7302 mono_mb_emit_ldarg (mb, argnum);
7303 label_null = mono_mb_emit_branch (mb, CEE_BRFALSE);
7305 mono_mb_emit_ldarg (mb, argnum);
7306 mono_mb_emit_ldloc (mb, conv_arg);
7308 label_false = mono_mb_emit_branch (mb, CEE_BRFALSE);
7309 mono_mb_emit_byte (mb, ldc_op);
7310 label_end = mono_mb_emit_branch (mb, CEE_BR);
7312 mono_mb_patch_branch (mb, label_false);
7313 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7314 mono_mb_patch_branch (mb, label_end);
7316 mono_mb_emit_byte (mb, stop);
7317 mono_mb_patch_branch (mb, label_null);
7322 g_assert_not_reached ();
7329 emit_marshal_ptr (EmitMarshalContext *m, int argnum, MonoType *t,
7330 MonoMarshalSpec *spec, int conv_arg,
7331 MonoType **conv_arg_type, MarshalAction action)
7334 MonoMethodBuilder *mb = m->mb;
7337 case MARSHAL_ACTION_CONV_IN:
7338 /* MS seems to allow this in some cases, ie. bxc #158 */
7340 if (MONO_TYPE_ISSTRUCT (t->data.type) && !mono_class_from_mono_type (t->data.type)->blittable) {
7341 char *msg = g_strdup_printf ("Can not marshal 'parameter #%d': Pointers can not reference marshaled structures. Use byref instead.", argnum + 1);
7342 mono_mb_emit_exception_marshal_directive (m->mb, msg);
7347 case MARSHAL_ACTION_PUSH:
7348 mono_mb_emit_ldarg (mb, argnum);
7351 case MARSHAL_ACTION_CONV_RESULT:
7352 /* no conversions necessary */
7353 mono_mb_emit_stloc (mb, 3);
7364 emit_marshal_char (EmitMarshalContext *m, int argnum, MonoType *t,
7365 MonoMarshalSpec *spec, int conv_arg,
7366 MonoType **conv_arg_type, MarshalAction action)
7369 MonoMethodBuilder *mb = m->mb;
7372 case MARSHAL_ACTION_PUSH:
7373 /* fixme: dont know how to marshal that. We cant simply
7374 * convert it to a one byte UTF8 character, because an
7375 * unicode character may need more that one byte in UTF8 */
7376 mono_mb_emit_ldarg (mb, argnum);
7379 case MARSHAL_ACTION_CONV_RESULT:
7380 /* fixme: we need conversions here */
7381 mono_mb_emit_stloc (mb, 3);
7392 emit_marshal_scalar (EmitMarshalContext *m, int argnum, MonoType *t,
7393 MonoMarshalSpec *spec, int conv_arg,
7394 MonoType **conv_arg_type, MarshalAction action)
7397 MonoMethodBuilder *mb = m->mb;
7400 case MARSHAL_ACTION_PUSH:
7401 mono_mb_emit_ldarg (mb, argnum);
7404 case MARSHAL_ACTION_CONV_RESULT:
7405 /* no conversions necessary */
7406 mono_mb_emit_stloc (mb, 3);
7417 emit_marshal (EmitMarshalContext *m, int argnum, MonoType *t,
7418 MonoMarshalSpec *spec, int conv_arg,
7419 MonoType **conv_arg_type, MarshalAction action)
7421 /* Ensure that we have marshalling info for this param */
7422 mono_marshal_load_type_info (mono_class_from_mono_type (t));
7424 if (spec && spec->native == MONO_NATIVE_CUSTOM)
7425 return emit_marshal_custom (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7427 if (spec && spec->native == MONO_NATIVE_ASANY)
7428 return emit_marshal_asany (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7431 case MONO_TYPE_VALUETYPE:
7432 if (t->data.klass == mono_defaults.handleref_class)
7433 return emit_marshal_handleref (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7435 return emit_marshal_vtype (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7436 case MONO_TYPE_STRING:
7437 return emit_marshal_string (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7438 case MONO_TYPE_CLASS:
7439 case MONO_TYPE_OBJECT:
7440 #if !defined(DISABLE_COM) && !defined(DISABLE_JIT)
7441 if (spec && spec->native == MONO_NATIVE_STRUCT)
7442 return emit_marshal_variant (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7445 #if !defined(DISABLE_COM)
7446 if (spec && (spec->native == MONO_NATIVE_IUNKNOWN ||
7447 spec->native == MONO_NATIVE_IDISPATCH ||
7448 spec->native == MONO_NATIVE_INTERFACE))
7449 return mono_cominterop_emit_marshal_com_interface (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7450 if (spec && (spec->native == MONO_NATIVE_SAFEARRAY) &&
7451 (spec->data.safearray_data.elem_type == MONO_VARIANT_VARIANT) &&
7452 ((action == MARSHAL_ACTION_CONV_OUT) || (action == MARSHAL_ACTION_CONV_IN) || (action == MARSHAL_ACTION_PUSH)))
7453 return mono_cominterop_emit_marshal_safearray (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7456 if (mono_class_try_get_safehandle_class () != NULL && t->data.klass &&
7457 mono_class_is_subclass_of (t->data.klass, mono_class_try_get_safehandle_class (), FALSE))
7458 return emit_marshal_safehandle (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7460 return emit_marshal_object (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7461 case MONO_TYPE_ARRAY:
7462 case MONO_TYPE_SZARRAY:
7463 return emit_marshal_array (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7464 case MONO_TYPE_BOOLEAN:
7465 return emit_marshal_boolean (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7467 return emit_marshal_ptr (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7468 case MONO_TYPE_CHAR:
7469 return emit_marshal_char (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7482 case MONO_TYPE_FNPTR:
7483 return emit_marshal_scalar (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7484 case MONO_TYPE_GENERICINST:
7485 if (mono_type_generic_inst_is_valuetype (t))
7486 return emit_marshal_vtype (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7488 return emit_marshal_object (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7496 * mono_marshal_emit_native_wrapper:
7497 * @image: the image to use for looking up custom marshallers
7498 * @sig: The signature of the native function
7499 * @piinfo: Marshalling information
7500 * @mspecs: Marshalling information
7501 * @aot: whenever the created method will be compiled by the AOT compiler
7502 * @method: if non-NULL, the pinvoke method to call
7503 * @check_exceptions: Whenever to check for pending exceptions after the native call
7504 * @func_param: the function to call is passed as a boxed IntPtr as the first parameter
7506 * generates IL code for the pinvoke wrapper, the generated code calls @func.
7509 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)
7511 EmitMarshalContext m;
7512 MonoMethodSignature *csig;
7514 int i, argnum, *tmp_locals;
7515 int type, param_shift = 0;
7516 int coop_gc_stack_dummy, coop_gc_var;
7518 memset (&m, 0, sizeof (m));
7523 /* we copy the signature, so that we can set pinvoke to 0 */
7525 /* The function address is passed as the first argument */
7526 g_assert (!sig->hasthis);
7529 csig = mono_metadata_signature_dup_full (mb->method->klass->image, sig);
7537 /* we allocate local for use with emit_struct_conv() */
7538 /* allocate local 0 (pointer) src_ptr */
7539 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7540 /* allocate local 1 (pointer) dst_ptr */
7541 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7542 /* allocate local 2 (boolean) delete_old */
7543 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
7545 /* delete_old = FALSE */
7546 mono_mb_emit_icon (mb, 0);
7547 mono_mb_emit_stloc (mb, 2);
7549 if (!MONO_TYPE_IS_VOID (sig->ret)) {
7550 /* allocate local 3 to store the return value */
7551 mono_mb_add_local (mb, sig->ret);
7554 if (mono_threads_is_coop_enabled ()) {
7555 /* local 4, dummy local used to get a stack address for suspend funcs */
7556 coop_gc_stack_dummy = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7557 /* local 5, the local to be used when calling the suspend funcs */
7558 coop_gc_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7562 * cookie = mono_threads_enter_gc_safe_region_unbalanced (ref dummy);
7564 * ret = method (...);
7566 * mono_threads_exit_gc_safe_region_unbalanced (cookie, ref dummy);
7573 if (MONO_TYPE_ISSTRUCT (sig->ret))
7574 m.vtaddr_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7576 if (mspecs [0] && mspecs [0]->native == MONO_NATIVE_CUSTOM) {
7577 /* Return type custom marshaling */
7579 * Since we can't determine the return type of the unmanaged function,
7580 * we assume it returns a pointer, and pass that pointer to
7581 * MarshalNativeToManaged.
7583 csig->ret = &mono_defaults.int_class->byval_arg;
7586 /* we first do all conversions */
7587 tmp_locals = (int *)alloca (sizeof (int) * sig->param_count);
7588 m.orig_conv_args = (int *)alloca (sizeof (int) * (sig->param_count + 1));
7590 for (i = 0; i < sig->param_count; i ++) {
7591 tmp_locals [i] = emit_marshal (&m, i + param_shift, sig->params [i], mspecs [i + 1], 0, &csig->params [i], MARSHAL_ACTION_CONV_IN);
7594 // In coop mode need to register blocking state during native call
7595 if (mono_threads_is_coop_enabled ()) {
7596 // Perform an extra, early lookup of the function address, so any exceptions
7597 // potentially resulting from the lookup occur before entering blocking mode.
7598 if (!func_param && !MONO_CLASS_IS_IMPORT (mb->method->klass) && aot) {
7599 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
7600 mono_mb_emit_op (mb, CEE_MONO_ICALL_ADDR, &piinfo->method);
7601 mono_mb_emit_byte (mb, CEE_POP); // Result not needed yet
7604 mono_mb_emit_ldloc_addr (mb, coop_gc_stack_dummy);
7605 mono_mb_emit_icall (mb, mono_threads_enter_gc_safe_region_unbalanced);
7606 mono_mb_emit_stloc (mb, coop_gc_var);
7609 /* push all arguments */
7612 mono_mb_emit_byte (mb, CEE_LDARG_0);
7614 for (i = 0; i < sig->param_count; i++) {
7615 emit_marshal (&m, i + param_shift, sig->params [i], mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_PUSH);
7618 /* call the native method */
7620 mono_mb_emit_byte (mb, CEE_LDARG_0);
7621 mono_mb_emit_op (mb, CEE_UNBOX, mono_defaults.int_class);
7622 mono_mb_emit_byte (mb, CEE_LDIND_I);
7623 mono_mb_emit_calli (mb, csig);
7624 } else if (MONO_CLASS_IS_IMPORT (mb->method->klass)) {
7626 mono_mb_emit_cominterop_call (mb, csig, &piinfo->method);
7628 g_assert_not_reached ();
7632 /* Reuse the ICALL_ADDR opcode for pinvokes too */
7633 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
7634 mono_mb_emit_op (mb, CEE_MONO_ICALL_ADDR, &piinfo->method);
7635 mono_mb_emit_calli (mb, csig);
7637 mono_mb_emit_native_call (mb, csig, func);
7641 /* Set LastError if needed */
7642 if (piinfo->piflags & PINVOKE_ATTRIBUTE_SUPPORTS_LAST_ERROR) {
7645 static MonoMethodSignature *get_last_error_sig = NULL;
7646 if (!get_last_error_sig) {
7647 get_last_error_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
7648 get_last_error_sig->ret = &mono_defaults.int_class->byval_arg;
7649 get_last_error_sig->pinvoke = 1;
7653 * Have to call GetLastError () early and without a wrapper, since various runtime components could
7654 * clobber its value.
7656 mono_mb_emit_native_call (mb, get_last_error_sig, GetLastError);
7657 mono_mb_emit_icall (mb, mono_marshal_set_last_error_windows);
7659 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
7660 mono_mb_emit_byte (mb, CEE_MONO_GET_LAST_ERROR);
7661 mono_mb_emit_icall (mb, mono_marshal_set_last_error_windows);
7664 mono_mb_emit_icall (mb, mono_marshal_set_last_error);
7668 if (MONO_TYPE_ISSTRUCT (sig->ret)) {
7669 MonoClass *klass = mono_class_from_mono_type (sig->ret);
7670 mono_class_init (klass);
7671 if (!(mono_class_is_explicit_layout (klass) || klass->blittable)) {
7672 /* This is used by emit_marshal_vtype (), but it needs to go right before the call */
7673 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
7674 mono_mb_emit_byte (mb, CEE_MONO_VTADDR);
7675 mono_mb_emit_stloc (mb, m.vtaddr_var);
7679 /* Unblock before converting the result, since that can involve calls into the runtime */
7680 if (mono_threads_is_coop_enabled ()) {
7681 mono_mb_emit_ldloc (mb, coop_gc_var);
7682 mono_mb_emit_ldloc_addr (mb, coop_gc_stack_dummy);
7683 mono_mb_emit_icall (mb, mono_threads_exit_gc_safe_region_unbalanced);
7686 /* convert the result */
7687 if (!sig->ret->byref) {
7688 MonoMarshalSpec *spec = mspecs [0];
7689 type = sig->ret->type;
7691 if (spec && spec->native == MONO_NATIVE_CUSTOM) {
7692 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
7696 case MONO_TYPE_VOID:
7698 case MONO_TYPE_VALUETYPE:
7699 klass = sig->ret->data.klass;
7700 if (klass->enumtype) {
7701 type = mono_class_enum_basetype (sig->ret->data.klass)->type;
7704 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
7718 case MONO_TYPE_FNPTR:
7719 case MONO_TYPE_STRING:
7720 case MONO_TYPE_CLASS:
7721 case MONO_TYPE_OBJECT:
7722 case MONO_TYPE_BOOLEAN:
7723 case MONO_TYPE_ARRAY:
7724 case MONO_TYPE_SZARRAY:
7725 case MONO_TYPE_CHAR:
7727 case MONO_TYPE_GENERICINST:
7728 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
7730 case MONO_TYPE_TYPEDBYREF:
7732 g_warning ("return type 0x%02x unknown", sig->ret->type);
7733 g_assert_not_reached ();
7737 mono_mb_emit_stloc (mb, 3);
7741 * Need to call this after converting the result since MONO_VTADDR needs
7742 * to be adjacent to the call instruction.
7744 if (check_exceptions)
7745 emit_thread_interrupt_checkpoint (mb);
7747 /* we need to convert byref arguments back and free string arrays */
7748 for (i = 0; i < sig->param_count; i++) {
7749 MonoType *t = sig->params [i];
7750 MonoMarshalSpec *spec = mspecs [i + 1];
7752 argnum = i + param_shift;
7754 if (spec && ((spec->native == MONO_NATIVE_CUSTOM) || (spec->native == MONO_NATIVE_ASANY))) {
7755 emit_marshal (&m, argnum, t, spec, tmp_locals [i], NULL, MARSHAL_ACTION_CONV_OUT);
7760 case MONO_TYPE_STRING:
7761 case MONO_TYPE_VALUETYPE:
7762 case MONO_TYPE_CLASS:
7763 case MONO_TYPE_OBJECT:
7764 case MONO_TYPE_SZARRAY:
7765 case MONO_TYPE_BOOLEAN:
7766 emit_marshal (&m, argnum, t, spec, tmp_locals [i], NULL, MARSHAL_ACTION_CONV_OUT);
7773 if (!MONO_TYPE_IS_VOID(sig->ret))
7774 mono_mb_emit_ldloc (mb, 3);
7776 mono_mb_emit_byte (mb, CEE_RET);
7778 #endif /* DISABLE_JIT */
7781 * mono_marshal_get_native_wrapper:
7782 * @method: The MonoMethod to wrap.
7783 * @check_exceptions: Whenever to check for pending exceptions
7785 * generates IL code for the pinvoke wrapper (the generated method
7786 * calls the unmanaged code in piinfo->addr)
7789 mono_marshal_get_native_wrapper (MonoMethod *method, gboolean check_exceptions, gboolean aot)
7791 MonoMethodSignature *sig, *csig;
7792 MonoMethodPInvoke *piinfo = (MonoMethodPInvoke *) method;
7793 MonoMethodBuilder *mb;
7794 MonoMarshalSpec **mspecs;
7797 gboolean pinvoke = FALSE;
7800 const char *exc_class = "MissingMethodException";
7801 const char *exc_arg = NULL;
7804 g_assert (method != NULL);
7805 g_assert (mono_method_signature (method)->pinvoke);
7807 GHashTable **cache_ptr;
7810 if (check_exceptions)
7811 cache_ptr = &mono_method_get_wrapper_cache (method)->native_wrapper_aot_check_cache;
7813 cache_ptr = &mono_method_get_wrapper_cache (method)->native_wrapper_aot_cache;
7815 if (check_exceptions)
7816 cache_ptr = &mono_method_get_wrapper_cache (method)->native_wrapper_check_cache;
7818 cache_ptr = &mono_method_get_wrapper_cache (method)->native_wrapper_cache;
7821 cache = get_cache (cache_ptr, mono_aligned_addr_hash, NULL);
7823 if ((res = mono_marshal_find_in_cache (cache, method)))
7826 if (MONO_CLASS_IS_IMPORT (method->klass)) {
7827 /* The COM code is not AOT compatible, it calls mono_custom_attrs_get_attr_checked () */
7831 return mono_cominterop_get_native_wrapper (method);
7833 g_assert_not_reached ();
7837 sig = mono_method_signature (method);
7839 if (!(method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
7840 (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL))
7843 if (!piinfo->addr) {
7845 if (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)
7846 exc_arg = "Method contains unsupported native code";
7848 mono_lookup_pinvoke_call (method, &exc_class, &exc_arg);
7850 piinfo->addr = mono_lookup_internal_call (method);
7854 /* hack - redirect certain string constructors to CreateString */
7855 if (piinfo->addr == ves_icall_System_String_ctor_RedirectToCreateString) {
7856 g_assert (!pinvoke);
7857 g_assert (method->string_ctor);
7858 g_assert (sig->hasthis);
7860 /* CreateString returns a value */
7861 csig = mono_metadata_signature_dup_full (method->klass->image, sig);
7862 csig->ret = &mono_defaults.string_class->byval_arg;
7866 while ((res = mono_class_get_methods (mono_defaults.string_class, &iter))) {
7867 if (!strcmp ("CreateString", res->name) &&
7868 mono_metadata_signature_equal (csig, mono_method_signature (res))) {
7871 g_assert (!(res->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL));
7872 g_assert (!(res->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL));
7874 /* create a wrapper to preserve .ctor in stack trace */
7875 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_MANAGED_TO_MANAGED);
7878 mono_mb_emit_byte (mb, CEE_LDARG_0);
7879 for (i = 1; i <= csig->param_count; i++)
7880 mono_mb_emit_ldarg (mb, i);
7881 mono_mb_emit_managed_call (mb, res, NULL);
7882 mono_mb_emit_byte (mb, CEE_RET);
7885 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_STRING_CTOR);
7886 info->d.string_ctor.method = method;
7888 /* use native_wrapper_cache because internal calls are looked up there */
7889 res = mono_mb_create_and_cache_full (cache, method, mb, csig,
7890 csig->param_count + 1, info, NULL);
7897 /* exception will be thrown */
7898 piinfo->addr = NULL;
7899 g_warning ("cannot find CreateString for .ctor");
7902 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_MANAGED_TO_NATIVE);
7904 mb->method->save_lmf = 1;
7907 * In AOT mode and embedding scenarios, it is possible that the icall is not
7908 * registered in the runtime doing the AOT compilation.
7910 if (!piinfo->addr && !aot) {
7912 mono_mb_emit_exception (mb, exc_class, exc_arg);
7914 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NONE);
7915 info->d.managed_to_native.method = method;
7917 csig = mono_metadata_signature_dup_full (method->klass->image, sig);
7919 res = mono_mb_create_and_cache_full (cache, method, mb, csig,
7920 csig->param_count + 16, info, NULL);
7926 /* internal calls: we simply push all arguments and call the method (no conversions) */
7927 if (method->iflags & (METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL | METHOD_IMPL_ATTRIBUTE_RUNTIME)) {
7929 csig = mono_metadata_signature_dup_add_this (method->klass->image, sig, method->klass);
7931 csig = mono_metadata_signature_dup_full (method->klass->image, sig);
7933 //printf ("%s\n", mono_method_full_name (method, 1));
7935 /* hack - string constructors returns a value */
7936 if (method->string_ctor)
7937 csig->ret = &mono_defaults.string_class->byval_arg;
7941 MonoClass *handle_stack_mark_class;
7942 MonoClass *error_class;
7943 int thread_info_var = -1, stack_mark_var = -1, error_var = -1;
7944 MonoMethodSignature *call_sig = csig;
7945 gboolean uses_handles = FALSE;
7946 gboolean has_outarg_handles = FALSE;
7947 int *outarg_handle = NULL;
7948 (void) mono_lookup_internal_call_full (method, &uses_handles);
7951 /* If it uses handles and MonoError, it had better check exceptions */
7952 g_assert (!uses_handles || check_exceptions);
7955 MonoMethodSignature *ret;
7957 /* Add a MonoError argument */
7958 // FIXME: The stuff from mono_metadata_signature_dup_internal_with_padding ()
7959 ret = mono_metadata_signature_alloc (method->klass->image, csig->param_count + 1);
7961 ret->param_count = csig->param_count + 1;
7962 ret->ret = csig->ret;
7963 for (int i = 0; i < csig->param_count; ++i) {
7964 if (MONO_TYPE_IS_REFERENCE (csig->params[i])) {
7965 ret->params [i] = mono_class_get_byref_type (mono_class_from_mono_type(csig->params[i]));
7966 if (mono_signature_param_is_out (csig, i)) {
7967 has_outarg_handles = TRUE;
7970 ret->params [i] = csig->params [i];
7972 ret->params [csig->param_count] = &mono_get_intptr_class ()->byval_arg;
7973 ret->pinvoke = csig->pinvoke;
7979 handle_stack_mark_class = mono_class_load_from_name (mono_get_corlib (), "Mono", "RuntimeStructs/HandleStackMark");
7980 error_class = mono_class_load_from_name (mono_get_corlib (), "Mono", "RuntimeStructs/MonoError");
7982 thread_info_var = mono_mb_add_local (mb, &mono_get_intptr_class ()->byval_arg);
7983 stack_mark_var = mono_mb_add_local (mb, &handle_stack_mark_class->byval_arg);
7984 error_var = mono_mb_add_local (mb, &error_class->byval_arg);
7986 if (has_outarg_handles) {
7987 outarg_handle = g_new0 (int, sig->param_count);
7989 /* add a local var to hold the handles for each out arg */
7990 for (int i = 0; i < sig->param_count; ++i) {
7991 if (mono_signature_param_is_out (sig, i) && MONO_TYPE_IS_REFERENCE (sig->params[i])) {
7992 outarg_handle[i] = mono_mb_add_local (mb, sig->params[i]);
7993 } else if (outarg_handle != NULL)
7994 outarg_handle[i] = -1;
8003 * Add a null check since public icalls can be called with 'call' which
8004 * does no such check.
8006 mono_mb_emit_byte (mb, CEE_LDARG_0);
8007 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
8008 mono_mb_emit_exception (mb, "NullReferenceException", NULL);
8009 mono_mb_patch_branch (mb, pos);
8013 mono_mb_emit_ldloc_addr (mb, stack_mark_var);
8014 mono_mb_emit_ldloc_addr (mb, error_var);
8015 mono_mb_emit_icall (mb, mono_icall_start);
8016 mono_mb_emit_stloc (mb, thread_info_var);
8019 mono_mb_emit_byte (mb, CEE_LDARG_0);
8020 mono_mb_emit_icall (mb, mono_handle_new);
8022 for (i = 0; i < sig->param_count; i++) {
8023 /* load each argument. object reference arguments get wrapped in handles */
8025 if (!MONO_TYPE_IS_REFERENCE (sig->params [i])) {
8026 mono_mb_emit_ldarg (mb, i + sig->hasthis);
8028 if (outarg_handle && outarg_handle[i] != -1) {
8029 /* handleI = argI = mono_handle_new (NULL) */
8030 mono_mb_emit_byte (mb, CEE_LDNULL);
8031 mono_mb_emit_icall (mb, mono_handle_new);
8033 mono_mb_emit_byte (mb, CEE_DUP);
8035 mono_mb_emit_stloc (mb, outarg_handle[i]);
8037 /* argI = mono_handle_new (argI_raw) */
8038 mono_mb_emit_ldarg (mb, i + sig->hasthis);
8039 mono_mb_emit_icall (mb, mono_handle_new);
8043 mono_mb_emit_ldloc_addr (mb, error_var);
8046 mono_mb_emit_byte (mb, CEE_LDARG_0);
8047 for (i = 0; i < sig->param_count; i++)
8048 mono_mb_emit_ldarg (mb, i + sig->hasthis);
8052 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
8053 mono_mb_emit_op (mb, CEE_MONO_ICALL_ADDR, &piinfo->method);
8054 mono_mb_emit_calli (mb, call_sig);
8056 g_assert (piinfo->addr);
8057 mono_mb_emit_native_call (mb, call_sig, piinfo->addr);
8061 if (MONO_TYPE_IS_REFERENCE (sig->ret)) {
8062 // if (ret != NULL_HANDLE) {
8063 // ret = MONO_HANDLE_RAW(ret)
8065 mono_mb_emit_byte (mb, CEE_DUP);
8066 int pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
8067 mono_mb_emit_ldflda (mb, MONO_HANDLE_PAYLOAD_OFFSET (MonoObject));
8068 mono_mb_emit_byte (mb, CEE_LDIND_REF);
8069 mono_mb_patch_branch (mb, pos);
8071 if (outarg_handle != NULL) {
8072 for (i = 0; i < sig->param_count; i++) {
8073 if (outarg_handle[i] != -1) {
8074 /* *argI_raw = MONO_HANDLE_RAW (handleI) */
8077 mono_mb_emit_ldarg (mb, i + sig->hasthis);
8079 mono_mb_emit_ldloc (mb, outarg_handle[i]);
8080 /* MONO_HANDLE_RAW(handleI) */
8081 mono_mb_emit_ldflda (mb, MONO_HANDLE_PAYLOAD_OFFSET (MonoObject));
8082 mono_mb_emit_byte (mb, CEE_LDIND_REF);
8083 /* *argI_raw = MONO_HANDLE_RAW(handleI) */
8084 mono_mb_emit_byte (mb, CEE_STIND_REF);
8087 g_free (outarg_handle);
8088 outarg_handle = NULL;
8090 mono_mb_emit_ldloc (mb, thread_info_var);
8091 mono_mb_emit_ldloc_addr (mb, stack_mark_var);
8092 mono_mb_emit_ldloc_addr (mb, error_var);
8093 mono_mb_emit_icall (mb, mono_icall_end);
8096 if (check_exceptions)
8097 emit_thread_interrupt_checkpoint (mb);
8098 mono_mb_emit_byte (mb, CEE_RET);
8100 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NONE);
8101 info->d.managed_to_native.method = method;
8103 csig = mono_metadata_signature_dup_full (method->klass->image, csig);
8105 res = mono_mb_create_and_cache_full (cache, method, mb, csig, csig->param_count + 16,
8114 g_assert (piinfo->addr);
8117 mspecs = g_new (MonoMarshalSpec*, sig->param_count + 1);
8118 mono_method_get_marshal_info (method, mspecs);
8120 mono_marshal_emit_native_wrapper (mb->method->klass->image, mb, sig, piinfo, mspecs, piinfo->addr, aot, check_exceptions, FALSE);
8122 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_PINVOKE);
8123 info->d.managed_to_native.method = method;
8125 csig = mono_metadata_signature_dup_full (method->klass->image, sig);
8127 res = mono_mb_create_and_cache_full (cache, method, mb, csig, csig->param_count + 16,
8132 for (i = sig->param_count; i >= 0; i--)
8134 mono_metadata_free_marshal_spec (mspecs [i]);
8138 /* mono_method_print_code (res); */
8144 * mono_marshal_get_native_func_wrapper:
8145 * @image: The image to use for memory allocation and for looking up custom marshallers.
8146 * @sig: The signature of the function
8147 * @func: The native function to wrap
8149 * Returns a wrapper method around native functions, similar to the pinvoke
8153 mono_marshal_get_native_func_wrapper (MonoImage *image, MonoMethodSignature *sig,
8154 MonoMethodPInvoke *piinfo, MonoMarshalSpec **mspecs, gpointer func)
8156 MonoMethodSignature *csig;
8158 SignaturePointerPair key, *new_key;
8159 MonoMethodBuilder *mb;
8168 // Generic types are not safe to place in MonoImage caches.
8169 g_assert (!sig->is_inflated);
8171 cache = get_cache (&image->native_func_wrapper_cache, signature_pointer_pair_hash, signature_pointer_pair_equal);
8172 if ((res = mono_marshal_find_in_cache (cache, &key)))
8175 name = g_strdup_printf ("wrapper_native_%p", func);
8176 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_MANAGED_TO_NATIVE);
8177 mb->method->save_lmf = 1;
8180 mono_marshal_emit_native_wrapper (image, mb, sig, piinfo, mspecs, func, FALSE, TRUE, FALSE);
8183 csig = mono_metadata_signature_dup_full (image, sig);
8186 new_key = g_new (SignaturePointerPair,1);
8187 new_key->sig = csig;
8188 new_key->pointer = func;
8190 res = mono_mb_create_and_cache_full (cache, new_key, mb, csig, csig->param_count + 16, NULL, &found);
8196 mono_marshal_set_wrapper_info (res, NULL);
8202 * The wrapper receives the native function as a boxed IntPtr as its 'this' argument. This is easier to support in
8206 mono_marshal_get_native_func_wrapper_aot (MonoClass *klass)
8208 MonoMethodSignature *sig, *csig;
8209 MonoMethodBuilder *mb;
8214 MonoMethodPInvoke mpiinfo;
8215 MonoMethodPInvoke *piinfo = &mpiinfo;
8216 MonoMarshalSpec **mspecs;
8217 MonoMethod *invoke = mono_get_delegate_invoke (klass);
8218 MonoImage *image = invoke->klass->image;
8221 // FIXME: include UnmanagedFunctionPointerAttribute info
8224 * The wrapper is associated with the delegate type, to pick up the marshalling info etc.
8226 cache = get_cache (&mono_method_get_wrapper_cache (invoke)->native_func_wrapper_aot_cache, mono_aligned_addr_hash, NULL);
8228 if ((res = mono_marshal_find_in_cache (cache, invoke)))
8231 memset (&mpiinfo, 0, sizeof (mpiinfo));
8232 parse_unmanaged_function_pointer_attr (klass, &mpiinfo);
8234 mspecs = g_new0 (MonoMarshalSpec*, mono_method_signature (invoke)->param_count + 1);
8235 mono_method_get_marshal_info (invoke, mspecs);
8236 /* Freed below so don't alloc from mempool */
8237 sig = mono_metadata_signature_dup (mono_method_signature (invoke));
8240 name = g_strdup_printf ("wrapper_aot_native");
8241 mb = mono_mb_new (invoke->klass, name, MONO_WRAPPER_MANAGED_TO_NATIVE);
8242 mb->method->save_lmf = 1;
8245 mono_marshal_emit_native_wrapper (image, mb, sig, piinfo, mspecs, NULL, FALSE, TRUE, TRUE);
8248 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NATIVE_FUNC_AOT);
8249 info->d.managed_to_native.method = invoke;
8251 g_assert (!sig->hasthis);
8252 csig = mono_metadata_signature_dup_add_this (image, sig, mono_defaults.object_class);
8254 res = mono_mb_create_and_cache_full (cache, invoke,
8255 mb, csig, csig->param_count + 16,
8259 for (i = mono_method_signature (invoke)->param_count; i >= 0; i--)
8261 mono_metadata_free_marshal_spec (mspecs [i]);
8269 * mono_marshal_emit_managed_wrapper:
8271 * Emit the body of a native-to-managed wrapper. INVOKE_SIG is the signature of
8272 * the delegate which wraps the managed method to be called. For closed delegates,
8273 * it could have fewer parameters than the method it wraps.
8274 * THIS_LOC is the memory location where the target of the delegate is stored.
8277 mono_marshal_emit_managed_wrapper (MonoMethodBuilder *mb, MonoMethodSignature *invoke_sig, MonoMarshalSpec **mspecs, EmitMarshalContext* m, MonoMethod *method, uint32_t target_handle)
8280 MonoMethodSignature *sig, *csig;
8286 /* we first do all conversions */
8287 for (i = 0; i < sig->param_count; i ++) {
8288 MonoType *t = sig->params [i];
8291 case MONO_TYPE_OBJECT:
8292 case MONO_TYPE_CLASS:
8293 case MONO_TYPE_VALUETYPE:
8294 case MONO_TYPE_ARRAY:
8295 case MONO_TYPE_SZARRAY:
8296 case MONO_TYPE_STRING:
8297 case MONO_TYPE_BOOLEAN:
8298 emit_marshal (m, i, sig->params [i], mspecs [i + 1], 0, &csig->params [i], MARSHAL_ACTION_MANAGED_CONV_IN);
8302 if (!sig->ret->byref) {
8303 switch (sig->ret->type) {
8304 case MONO_TYPE_STRING:
8305 csig->ret = &mono_defaults.int_class->byval_arg;
8312 MonoMethodSignature *sig, *csig;
8313 MonoExceptionClause *clauses, *clause_finally, *clause_catch;
8314 int i, *tmp_locals, ex_local, e_local, attach_cookie_local, attach_dummy_local;
8315 int leave_try_pos, leave_catch_pos, ex_m1_pos;
8316 gboolean closed = FALSE;
8321 /* allocate local 0 (pointer) src_ptr */
8322 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8323 /* allocate local 1 (pointer) dst_ptr */
8324 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8325 /* allocate local 2 (boolean) delete_old */
8326 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
8328 if (!sig->hasthis && sig->param_count != invoke_sig->param_count) {
8329 /* Closed delegate */
8330 g_assert (sig->param_count == invoke_sig->param_count + 1);
8332 /* Use a new signature without the first argument */
8333 sig = mono_metadata_signature_dup (sig);
8334 memmove (&sig->params [0], &sig->params [1], (sig->param_count - 1) * sizeof (MonoType*));
8335 sig->param_count --;
8338 if (!MONO_TYPE_IS_VOID(sig->ret)) {
8339 /* allocate local 3 to store the return value */
8340 mono_mb_add_local (mb, sig->ret);
8343 if (MONO_TYPE_ISSTRUCT (sig->ret))
8344 m->vtaddr_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8346 ex_local = mono_mb_add_local (mb, &mono_defaults.uint32_class->byval_arg);
8347 e_local = mono_mb_add_local (mb, &mono_defaults.exception_class->byval_arg);
8349 attach_cookie_local = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8350 attach_dummy_local = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8355 * // does (STARTING|RUNNING|BLOCKING) -> RUNNING + set/switch domain
8356 * mono_threads_attach_coop ();
8360 * ret = method (...);
8361 * } catch (Exception e) {
8362 * ex = mono_gchandle_new (e, false);
8364 * // does RUNNING -> (RUNNING|BLOCKING) + unset/switch domain
8365 * mono_threads_detach_coop ();
8368 * mono_marshal_ftnptr_eh_callback (ex);
8374 clauses = g_new0 (MonoExceptionClause, 2);
8376 clause_catch = &clauses [0];
8377 clause_catch->flags = MONO_EXCEPTION_CLAUSE_NONE;
8378 clause_catch->data.catch_class = mono_defaults.exception_class;
8380 clause_finally = &clauses [1];
8381 clause_finally->flags = MONO_EXCEPTION_CLAUSE_FINALLY;
8383 mono_mb_emit_icon (mb, 0);
8384 mono_mb_emit_stloc (mb, 2);
8386 mono_mb_emit_icon (mb, -1);
8387 mono_mb_emit_byte (mb, CEE_CONV_U4);
8388 mono_mb_emit_stloc (mb, ex_local);
8391 clause_catch->try_offset = clause_finally->try_offset = mono_mb_get_label (mb);
8393 if (!mono_threads_is_coop_enabled ()) {
8394 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
8395 mono_mb_emit_byte (mb, CEE_MONO_JIT_ATTACH);
8397 /* mono_threads_attach_coop (); */
8398 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
8399 mono_mb_emit_byte (mb, CEE_MONO_LDDOMAIN);
8400 mono_mb_emit_ldloc_addr (mb, attach_dummy_local);
8401 mono_mb_emit_icall (mb, mono_threads_attach_coop);
8402 mono_mb_emit_stloc (mb, attach_cookie_local);
8405 /* <interrupt check> */
8406 emit_thread_interrupt_checkpoint (mb);
8408 /* we first do all conversions */
8409 tmp_locals = (int *)alloca (sizeof (int) * sig->param_count);
8410 for (i = 0; i < sig->param_count; i ++) {
8411 MonoType *t = sig->params [i];
8414 case MONO_TYPE_OBJECT:
8415 case MONO_TYPE_CLASS:
8416 case MONO_TYPE_VALUETYPE:
8417 case MONO_TYPE_ARRAY:
8418 case MONO_TYPE_SZARRAY:
8419 case MONO_TYPE_STRING:
8420 case MONO_TYPE_BOOLEAN:
8421 tmp_locals [i] = emit_marshal (m, i, sig->params [i], mspecs [i + 1], 0, &csig->params [i], MARSHAL_ACTION_MANAGED_CONV_IN);
8431 if (target_handle) {
8432 mono_mb_emit_icon (mb, (gint32)target_handle);
8433 mono_mb_emit_icall (mb, mono_gchandle_get_target);
8436 g_assert_not_reached ();
8438 } else if (closed) {
8439 mono_mb_emit_icon (mb, (gint32)target_handle);
8440 mono_mb_emit_icall (mb, mono_gchandle_get_target);
8443 for (i = 0; i < sig->param_count; i++) {
8444 MonoType *t = sig->params [i];
8446 if (tmp_locals [i]) {
8448 mono_mb_emit_ldloc_addr (mb, tmp_locals [i]);
8450 mono_mb_emit_ldloc (mb, tmp_locals [i]);
8453 mono_mb_emit_ldarg (mb, i);
8456 /* ret = method (...) */
8457 mono_mb_emit_managed_call (mb, method, NULL);
8459 if (MONO_TYPE_ISSTRUCT (sig->ret)) {
8460 MonoClass *klass = mono_class_from_mono_type (sig->ret);
8461 mono_class_init (klass);
8462 if (!(mono_class_is_explicit_layout (klass) || klass->blittable)) {
8463 /* This is used by emit_marshal_vtype (), but it needs to go right before the call */
8464 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
8465 mono_mb_emit_byte (mb, CEE_MONO_VTADDR);
8466 mono_mb_emit_stloc (mb, m->vtaddr_var);
8470 if (mspecs [0] && mspecs [0]->native == MONO_NATIVE_CUSTOM) {
8471 emit_marshal (m, 0, sig->ret, mspecs [0], 0, NULL, MARSHAL_ACTION_MANAGED_CONV_RESULT);
8472 } else if (!sig->ret->byref) {
8473 switch (sig->ret->type) {
8474 case MONO_TYPE_VOID:
8476 case MONO_TYPE_BOOLEAN:
8479 case MONO_TYPE_CHAR:
8491 case MONO_TYPE_OBJECT:
8492 mono_mb_emit_stloc (mb, 3);
8494 case MONO_TYPE_STRING:
8495 csig->ret = &mono_defaults.int_class->byval_arg;
8496 emit_marshal (m, 0, sig->ret, mspecs [0], 0, NULL, MARSHAL_ACTION_MANAGED_CONV_RESULT);
8498 case MONO_TYPE_VALUETYPE:
8499 case MONO_TYPE_CLASS:
8500 case MONO_TYPE_SZARRAY:
8501 emit_marshal (m, 0, sig->ret, mspecs [0], 0, NULL, MARSHAL_ACTION_MANAGED_CONV_RESULT);
8504 g_warning ("return type 0x%02x unknown", sig->ret->type);
8505 g_assert_not_reached ();
8508 mono_mb_emit_stloc (mb, 3);
8511 /* Convert byref arguments back */
8512 for (i = 0; i < sig->param_count; i ++) {
8513 MonoType *t = sig->params [i];
8514 MonoMarshalSpec *spec = mspecs [i + 1];
8516 if (spec && spec->native == MONO_NATIVE_CUSTOM) {
8517 emit_marshal (m, i, t, mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_MANAGED_CONV_OUT);
8519 else if (t->byref) {
8521 case MONO_TYPE_CLASS:
8522 case MONO_TYPE_VALUETYPE:
8523 case MONO_TYPE_OBJECT:
8524 case MONO_TYPE_STRING:
8525 case MONO_TYPE_BOOLEAN:
8526 emit_marshal (m, i, t, mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_MANAGED_CONV_OUT);
8532 else if (invoke_sig->params [i]->attrs & PARAM_ATTRIBUTE_OUT) {
8533 /* The [Out] information is encoded in the delegate signature */
8535 case MONO_TYPE_SZARRAY:
8536 case MONO_TYPE_CLASS:
8537 case MONO_TYPE_VALUETYPE:
8538 emit_marshal (m, i, invoke_sig->params [i], mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_MANAGED_CONV_OUT);
8541 g_assert_not_reached ();
8546 leave_try_pos = mono_mb_emit_branch (mb, CEE_LEAVE);
8550 /* catch (Exception e) { */
8551 clause_catch->try_len = mono_mb_get_label (mb) - clause_catch->try_offset;
8552 clause_catch->handler_offset = mono_mb_get_label (mb);
8554 mono_mb_emit_stloc (mb, e_local);
8556 /* ex = mono_gchandle_new (e, false); */
8557 mono_mb_emit_ldloc (mb, e_local);
8558 mono_mb_emit_icon (mb, 0);
8559 mono_mb_emit_icall (mb, mono_gchandle_new);
8560 mono_mb_emit_stloc (mb, ex_local);
8562 leave_catch_pos = mono_mb_emit_branch (mb, CEE_LEAVE);
8565 clause_catch->handler_len = mono_mb_get_pos (mb) - clause_catch->handler_offset;
8568 clause_finally->try_len = mono_mb_get_label (mb) - clause_finally->try_offset;
8569 clause_finally->handler_offset = mono_mb_get_label (mb);
8571 if (!mono_threads_is_coop_enabled ()) {
8572 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
8573 mono_mb_emit_byte (mb, CEE_MONO_JIT_DETACH);
8575 /* mono_threads_detach_coop (); */
8576 mono_mb_emit_ldloc (mb, attach_cookie_local);
8577 mono_mb_emit_ldloc_addr (mb, attach_dummy_local);
8578 mono_mb_emit_icall (mb, mono_threads_detach_coop);
8582 mono_mb_emit_ldloc (mb, ex_local);
8583 mono_mb_emit_icon (mb, -1);
8584 mono_mb_emit_byte (mb, CEE_CONV_U4);
8585 ex_m1_pos = mono_mb_emit_branch (mb, CEE_BEQ);
8587 /* mono_marshal_ftnptr_eh_callback (ex) */
8588 mono_mb_emit_ldloc (mb, ex_local);
8589 mono_mb_emit_icall (mb, mono_marshal_ftnptr_eh_callback);
8592 mono_mb_patch_branch (mb, ex_m1_pos);
8594 mono_mb_emit_byte (mb, CEE_ENDFINALLY);
8596 /* } [endfinally] */
8597 clause_finally->handler_len = mono_mb_get_pos (mb) - clause_finally->handler_offset;
8599 mono_mb_patch_branch (mb, leave_try_pos);
8600 mono_mb_patch_branch (mb, leave_catch_pos);
8603 if (m->retobj_var) {
8604 mono_mb_emit_ldloc (mb, m->retobj_var);
8605 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
8606 mono_mb_emit_op (mb, CEE_MONO_RETOBJ, m->retobj_class);
8609 if (!MONO_TYPE_IS_VOID(sig->ret))
8610 mono_mb_emit_ldloc (mb, 3);
8611 mono_mb_emit_byte (mb, CEE_RET);
8614 mono_mb_set_clauses (mb, 2, clauses);
8622 mono_marshal_set_callconv_from_modopt (MonoMethod *method, MonoMethodSignature *csig)
8624 MonoMethodSignature *sig;
8629 * Under windows, delegates passed to native code must use the STDCALL
8630 * calling convention.
8632 csig->call_convention = MONO_CALL_STDCALL;
8635 sig = mono_method_signature (method);
8637 /* Change default calling convention if needed */
8638 /* Why is this a modopt ? */
8639 if (sig->ret && sig->ret->num_mods) {
8640 for (i = 0; i < sig->ret->num_mods; ++i) {
8642 MonoClass *cmod_class = mono_class_get_checked (method->klass->image, sig->ret->modifiers [i].token, &error);
8643 g_assert (mono_error_ok (&error));
8644 if ((cmod_class->image == mono_defaults.corlib) && !strcmp (cmod_class->name_space, "System.Runtime.CompilerServices")) {
8645 if (!strcmp (cmod_class->name, "CallConvCdecl"))
8646 csig->call_convention = MONO_CALL_C;
8647 else if (!strcmp (cmod_class->name, "CallConvStdcall"))
8648 csig->call_convention = MONO_CALL_STDCALL;
8649 else if (!strcmp (cmod_class->name, "CallConvFastcall"))
8650 csig->call_convention = MONO_CALL_FASTCALL;
8651 else if (!strcmp (cmod_class->name, "CallConvThiscall"))
8652 csig->call_convention = MONO_CALL_THISCALL;
8659 * generates IL code to call managed methods from unmanaged code
8660 * If target_handle==0, the wrapper info will be a WrapperInfo structure.
8663 mono_marshal_get_managed_wrapper (MonoMethod *method, MonoClass *delegate_klass, uint32_t target_handle)
8666 MonoMethodSignature *sig, *csig, *invoke_sig;
8667 MonoMethodBuilder *mb;
8668 MonoMethod *res, *invoke;
8669 MonoMarshalSpec **mspecs;
8670 MonoMethodPInvoke piinfo;
8673 EmitMarshalContext m;
8675 g_assert (method != NULL);
8676 g_assert (!(method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL));
8679 * FIXME: Should cache the method+delegate type pair, since the same method
8680 * could be called with different delegates, thus different marshalling
8683 cache = get_cache (&mono_method_get_wrapper_cache (method)->managed_wrapper_cache, mono_aligned_addr_hash, NULL);
8685 if (!target_handle && (res = mono_marshal_find_in_cache (cache, method)))
8688 invoke = mono_get_delegate_invoke (delegate_klass);
8689 invoke_sig = mono_method_signature (invoke);
8691 mspecs = g_new0 (MonoMarshalSpec*, mono_method_signature (invoke)->param_count + 1);
8692 mono_method_get_marshal_info (invoke, mspecs);
8694 sig = mono_method_signature (method);
8696 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_NATIVE_TO_MANAGED);
8698 /*the target gchandle must be the first entry after size and the wrapper itself.*/
8699 mono_mb_add_data (mb, GUINT_TO_POINTER (target_handle));
8701 /* we copy the signature, so that we can modify it */
8703 /* Need to free this later */
8704 csig = mono_metadata_signature_dup (invoke_sig);
8706 csig = mono_metadata_signature_dup_full (method->klass->image, invoke_sig);
8710 memset (&m, 0, sizeof (m));
8716 m.image = method->klass->image;
8718 mono_marshal_set_callconv_from_modopt (invoke, csig);
8720 /* The attribute is only available in Net 2.0 */
8721 if (mono_class_try_get_unmanaged_function_pointer_attribute_class ()) {
8722 MonoCustomAttrInfo *cinfo;
8723 MonoCustomAttrEntry *attr;
8726 * The pinvoke attributes are stored in a real custom attribute. Obtain the
8727 * contents of the attribute without constructing it, as that might not be
8728 * possible when running in cross-compiling mode.
8730 cinfo = mono_custom_attrs_from_class_checked (delegate_klass, &error);
8731 mono_error_assert_ok (&error);
8734 for (i = 0; i < cinfo->num_attrs; ++i) {
8735 MonoClass *ctor_class = cinfo->attrs [i].ctor->klass;
8736 if (mono_class_has_parent (ctor_class, mono_class_try_get_unmanaged_function_pointer_attribute_class ())) {
8737 attr = &cinfo->attrs [i];
8743 MonoArray *typed_args, *named_args;
8744 CattrNamedArg *arginfo;
8748 MonoBoolean set_last_error = 0;
8751 mono_reflection_create_custom_attr_data_args (mono_defaults.corlib, attr->ctor, attr->data, attr->data_size, &typed_args, &named_args, &arginfo, &error);
8752 g_assert (mono_error_ok (&error));
8753 g_assert (mono_array_length (typed_args) == 1);
8756 o = mono_array_get (typed_args, MonoObject*, 0);
8757 call_conv = *(gint32*)mono_object_unbox (o);
8760 for (i = 0; i < mono_array_length (named_args); ++i) {
8761 CattrNamedArg *narg = &arginfo [i];
8763 o = mono_array_get (named_args, MonoObject*, i);
8765 g_assert (narg->field);
8766 if (!strcmp (narg->field->name, "CharSet")) {
8767 charset = *(gint32*)mono_object_unbox (o);
8768 } else if (!strcmp (narg->field->name, "SetLastError")) {
8769 set_last_error = *(MonoBoolean*)mono_object_unbox (o);
8770 } else if (!strcmp (narg->field->name, "BestFitMapping")) {
8771 // best_fit_mapping = *(MonoBoolean*)mono_object_unbox (o);
8772 } else if (!strcmp (narg->field->name, "ThrowOnUnmappableChar")) {
8773 // throw_on_unmappable = *(MonoBoolean*)mono_object_unbox (o);
8775 g_assert_not_reached ();
8781 memset (&piinfo, 0, sizeof (piinfo));
8783 piinfo.piflags = (call_conv << 8) | (charset ? (charset - 1) * 2 : 1) | set_last_error;
8785 csig->call_convention = call_conv - 1;
8788 if (cinfo && !cinfo->cached)
8789 mono_custom_attrs_free (cinfo);
8792 mono_marshal_emit_managed_wrapper (mb, invoke_sig, mspecs, &m, method, target_handle);
8794 if (!target_handle) {
8797 // FIXME: Associate it with the method+delegate_klass pair
8798 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NONE);
8799 info->d.native_to_managed.method = method;
8800 info->d.native_to_managed.klass = delegate_klass;
8802 res = mono_mb_create_and_cache_full (cache, method,
8803 mb, csig, sig->param_count + 16,
8809 res = mono_mb_create (mb, csig, sig->param_count + 16, NULL);
8813 for (i = mono_method_signature (invoke)->param_count; i >= 0; i--)
8815 mono_metadata_free_marshal_spec (mspecs [i]);
8818 /* mono_method_print_code (res); */
8824 mono_marshal_get_vtfixup_ftnptr (MonoImage *image, guint32 token, guint16 type)
8828 MonoMethodSignature *sig;
8829 MonoMethodBuilder *mb;
8834 method = mono_get_method_checked (image, token, NULL, NULL, &error);
8836 g_error ("Could not load vtfixup token 0x%x due to %s", token, mono_error_get_message (&error));
8839 if (type & (VTFIXUP_TYPE_FROM_UNMANAGED | VTFIXUP_TYPE_FROM_UNMANAGED_RETAIN_APPDOMAIN)) {
8840 MonoMethodSignature *csig;
8841 MonoMarshalSpec **mspecs;
8842 EmitMarshalContext m;
8844 sig = mono_method_signature (method);
8845 g_assert (!sig->hasthis);
8847 mspecs = g_new0 (MonoMarshalSpec*, sig->param_count + 1);
8848 mono_method_get_marshal_info (method, mspecs);
8850 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_NATIVE_TO_MANAGED);
8851 csig = mono_metadata_signature_dup_full (image, sig);
8855 memset (&m, 0, sizeof (m));
8863 mono_marshal_set_callconv_from_modopt (method, csig);
8865 /* FIXME: Implement VTFIXUP_TYPE_FROM_UNMANAGED_RETAIN_APPDOMAIN. */
8867 mono_marshal_emit_managed_wrapper (mb, sig, mspecs, &m, method, 0);
8872 method = mono_mb_create (mb, csig, sig->param_count + 16, NULL);
8875 for (i = sig->param_count; i >= 0; i--)
8877 mono_metadata_free_marshal_spec (mspecs [i]);
8880 gpointer compiled_ptr = mono_compile_method_checked (method, &error);
8881 mono_error_assert_ok (&error);
8882 return compiled_ptr;
8885 sig = mono_method_signature (method);
8886 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_MANAGED_TO_MANAGED);
8888 param_count = sig->param_count + sig->hasthis;
8890 for (i = 0; i < param_count; i++)
8891 mono_mb_emit_ldarg (mb, i);
8893 if (type & VTFIXUP_TYPE_CALL_MOST_DERIVED)
8894 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
8896 mono_mb_emit_op (mb, CEE_CALL, method);
8897 mono_mb_emit_byte (mb, CEE_RET);
8902 method = mono_mb_create (mb, sig, param_count, NULL);
8905 gpointer compiled_ptr = mono_compile_method_checked (method, &error);
8906 mono_error_assert_ok (&error);
8907 return compiled_ptr;
8913 * The code directly following this is the cache hit, value positive branch
8915 * This function takes a new method builder with 0 locals and adds two locals
8916 * to create multiple out-branches and the fall through state of having the object
8917 * on the stack after a cache miss
8920 generate_check_cache (int obj_arg_position, int class_arg_position, int cache_arg_position, // In-parameters
8921 int *null_obj, int *cache_hit_neg, int *cache_hit_pos, // Out-parameters
8922 MonoMethodBuilder *mb)
8926 /* allocate local 0 (pointer) obj_vtable */
8927 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8928 /* allocate local 1 (pointer) cached_vtable */
8929 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8932 mono_mb_emit_ldarg (mb, obj_arg_position);
8933 *null_obj = mono_mb_emit_branch (mb, CEE_BRFALSE);
8935 /*obj_vtable = obj->vtable;*/
8936 mono_mb_emit_ldarg (mb, obj_arg_position);
8937 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoObject, vtable));
8938 mono_mb_emit_byte (mb, CEE_LDIND_I);
8939 mono_mb_emit_stloc (mb, 0);
8941 /* cached_vtable = *cache*/
8942 mono_mb_emit_ldarg (mb, cache_arg_position);
8943 mono_mb_emit_byte (mb, CEE_LDIND_I);
8944 mono_mb_emit_stloc (mb, 1);
8946 mono_mb_emit_ldloc (mb, 1);
8947 mono_mb_emit_byte (mb, CEE_LDC_I4);
8948 mono_mb_emit_i4 (mb, ~0x1);
8949 mono_mb_emit_byte (mb, CEE_CONV_I);
8950 mono_mb_emit_byte (mb, CEE_AND);
8951 mono_mb_emit_ldloc (mb, 0);
8952 /*if ((cached_vtable & ~0x1)== obj_vtable)*/
8953 cache_miss_pos = mono_mb_emit_branch (mb, CEE_BNE_UN);
8955 /*return (cached_vtable & 0x1) ? NULL : obj;*/
8956 mono_mb_emit_ldloc (mb, 1);
8957 mono_mb_emit_byte(mb, CEE_LDC_I4_1);
8958 mono_mb_emit_byte (mb, CEE_CONV_U);
8959 mono_mb_emit_byte (mb, CEE_AND);
8960 *cache_hit_neg = mono_mb_emit_branch (mb, CEE_BRTRUE);
8961 *cache_hit_pos = mono_mb_emit_branch (mb, CEE_BR);
8964 mono_mb_patch_branch (mb, cache_miss_pos);
8967 mono_mb_emit_ldarg (mb, obj_arg_position);
8968 mono_mb_emit_ldarg (mb, class_arg_position);
8969 mono_mb_emit_ldarg (mb, cache_arg_position);
8970 mono_mb_emit_icall (mb, mono_marshal_isinst_with_cache);
8973 #endif /* DISABLE_JIT */
8976 * This does the equivalent of mono_object_castclass_with_cache.
8979 mono_marshal_get_castclass_with_cache (void)
8981 static MonoMethod *cached;
8983 MonoMethodBuilder *mb;
8984 MonoMethodSignature *sig;
8985 int return_null_pos, positive_cache_hit_pos, negative_cache_hit_pos, invalid_cast_pos;
8988 const int obj_arg_position = 0;
8989 const int class_arg_position = 1;
8990 const int cache_arg_position = 2;
8995 mb = mono_mb_new (mono_defaults.object_class, "__castclass_with_cache", MONO_WRAPPER_CASTCLASS);
8996 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
8997 sig->params [obj_arg_position] = &mono_defaults.object_class->byval_arg;
8998 sig->params [class_arg_position] = &mono_defaults.int_class->byval_arg;
8999 sig->params [cache_arg_position] = &mono_defaults.int_class->byval_arg;
9000 sig->ret = &mono_defaults.object_class->byval_arg;
9004 generate_check_cache (obj_arg_position, class_arg_position, cache_arg_position,
9005 &return_null_pos, &negative_cache_hit_pos, &positive_cache_hit_pos, mb);
9006 invalid_cast_pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
9009 mono_mb_patch_branch (mb, positive_cache_hit_pos);
9010 mono_mb_emit_ldarg (mb, obj_arg_position);
9011 mono_mb_emit_byte (mb, CEE_RET);
9014 mono_mb_patch_branch (mb, negative_cache_hit_pos);
9015 mono_mb_patch_branch (mb, invalid_cast_pos);
9016 mono_mb_emit_exception (mb, "InvalidCastException", NULL);
9019 mono_mb_patch_branch (mb, return_null_pos);
9020 mono_mb_emit_byte (mb, CEE_LDNULL);
9021 mono_mb_emit_byte (mb, CEE_RET);
9022 #endif /* DISABLE_JIT */
9024 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_CASTCLASS_WITH_CACHE);
9025 res = mono_mb_create (mb, sig, 8, info);
9028 if (InterlockedCompareExchangePointer ((volatile gpointer *)&cached, res, NULL)) {
9029 mono_free_method (res);
9030 mono_metadata_free_method_signature (sig);
9037 /* this is an icall */
9039 mono_marshal_isinst_with_cache (MonoObject *obj, MonoClass *klass, uintptr_t *cache)
9042 MonoObject *isinst = mono_object_isinst_checked (obj, klass, &error);
9043 if (mono_error_set_pending_exception (&error))
9046 if (mono_object_is_transparent_proxy (obj))
9049 uintptr_t cache_update = (uintptr_t)obj->vtable;
9051 cache_update = cache_update | 0x1;
9053 *cache = cache_update;
9059 * This does the equivalent of mono_object_isinst_with_cache.
9062 mono_marshal_get_isinst_with_cache (void)
9064 static MonoMethod *cached;
9066 MonoMethodBuilder *mb;
9067 MonoMethodSignature *sig;
9068 int return_null_pos, positive_cache_hit_pos, negative_cache_hit_pos;
9071 const int obj_arg_position = 0;
9072 const int class_arg_position = 1;
9073 const int cache_arg_position = 2;
9078 mb = mono_mb_new (mono_defaults.object_class, "__isinst_with_cache", MONO_WRAPPER_CASTCLASS);
9079 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
9081 sig->params [obj_arg_position] = &mono_defaults.object_class->byval_arg;
9083 sig->params [class_arg_position] = &mono_defaults.int_class->byval_arg;
9085 sig->params [cache_arg_position] = &mono_defaults.int_class->byval_arg;
9086 sig->ret = &mono_defaults.object_class->byval_arg;
9090 generate_check_cache (obj_arg_position, class_arg_position, cache_arg_position,
9091 &return_null_pos, &negative_cache_hit_pos, &positive_cache_hit_pos, mb);
9092 // Return the object gotten via the slow path.
9093 mono_mb_emit_byte (mb, CEE_RET);
9096 mono_mb_patch_branch (mb, negative_cache_hit_pos);
9097 mono_mb_patch_branch (mb, return_null_pos);
9098 mono_mb_emit_byte (mb, CEE_LDNULL);
9099 mono_mb_emit_byte (mb, CEE_RET);
9102 mono_mb_patch_branch (mb, positive_cache_hit_pos);
9103 mono_mb_emit_ldarg (mb, obj_arg_position);
9104 mono_mb_emit_byte (mb, CEE_RET);
9107 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_ISINST_WITH_CACHE);
9108 res = mono_mb_create (mb, sig, 8, info);
9111 if (InterlockedCompareExchangePointer ((volatile gpointer *)&cached, res, NULL)) {
9112 mono_free_method (res);
9113 mono_metadata_free_method_signature (sig);
9121 * mono_marshal_get_struct_to_ptr:
9124 * generates IL code for StructureToPtr (object structure, IntPtr ptr, bool fDeleteOld)
9127 mono_marshal_get_struct_to_ptr (MonoClass *klass)
9129 MonoMethodBuilder *mb;
9130 static MonoMethod *stoptr = NULL;
9134 g_assert (klass != NULL);
9136 mono_marshal_load_type_info (klass);
9138 MonoMarshalType *marshal_info = mono_class_get_marshal_info (klass);
9139 if (marshal_info->str_to_ptr)
9140 return marshal_info->str_to_ptr;
9143 stoptr = mono_class_get_method_from_name (mono_defaults.marshal_class, "StructureToPtr", 3);
9146 mb = mono_mb_new (klass, stoptr->name, MONO_WRAPPER_UNKNOWN);
9149 if (klass->blittable) {
9150 mono_mb_emit_byte (mb, CEE_LDARG_1);
9151 mono_mb_emit_byte (mb, CEE_LDARG_0);
9152 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
9153 mono_mb_emit_icon (mb, mono_class_value_size (klass, NULL));
9154 mono_mb_emit_byte (mb, CEE_PREFIX1);
9155 mono_mb_emit_byte (mb, CEE_CPBLK);
9158 /* allocate local 0 (pointer) src_ptr */
9159 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9160 /* allocate local 1 (pointer) dst_ptr */
9161 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9162 /* allocate local 2 (boolean) delete_old */
9163 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
9164 mono_mb_emit_byte (mb, CEE_LDARG_2);
9165 mono_mb_emit_stloc (mb, 2);
9167 /* initialize src_ptr to point to the start of object data */
9168 mono_mb_emit_byte (mb, CEE_LDARG_0);
9169 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
9170 mono_mb_emit_stloc (mb, 0);
9172 /* initialize dst_ptr */
9173 mono_mb_emit_byte (mb, CEE_LDARG_1);
9174 mono_mb_emit_stloc (mb, 1);
9176 emit_struct_conv (mb, klass, FALSE);
9179 mono_mb_emit_byte (mb, CEE_RET);
9181 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_STRUCTURE_TO_PTR);
9182 res = mono_mb_create (mb, mono_signature_no_pinvoke (stoptr), 0, info);
9185 mono_marshal_lock ();
9186 if (!marshal_info->str_to_ptr)
9187 marshal_info->str_to_ptr = res;
9189 res = marshal_info->str_to_ptr;
9190 mono_marshal_unlock ();
9195 * mono_marshal_get_ptr_to_struct:
9198 * generates IL code for PtrToStructure (IntPtr src, object structure)
9201 mono_marshal_get_ptr_to_struct (MonoClass *klass)
9203 MonoMethodBuilder *mb;
9204 static MonoMethodSignature *ptostr = NULL;
9208 g_assert (klass != NULL);
9210 mono_marshal_load_type_info (klass);
9212 MonoMarshalType *marshal_info = mono_class_get_marshal_info (klass);
9213 if (marshal_info->ptr_to_str)
9214 return marshal_info->ptr_to_str;
9217 MonoMethodSignature *sig;
9219 /* Create the signature corresponding to
9220 static void PtrToStructure (IntPtr ptr, object structure);
9221 defined in class/corlib/System.Runtime.InteropServices/Marshal.cs */
9222 sig = mono_create_icall_signature ("void ptr object");
9223 sig = mono_metadata_signature_dup_full (mono_defaults.corlib, sig);
9225 mono_memory_barrier ();
9229 mb = mono_mb_new (klass, "PtrToStructure", MONO_WRAPPER_UNKNOWN);
9232 if (klass->blittable) {
9233 mono_mb_emit_byte (mb, CEE_LDARG_1);
9234 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
9235 mono_mb_emit_byte (mb, CEE_LDARG_0);
9236 mono_mb_emit_icon (mb, mono_class_value_size (klass, NULL));
9237 mono_mb_emit_byte (mb, CEE_PREFIX1);
9238 mono_mb_emit_byte (mb, CEE_CPBLK);
9241 /* allocate local 0 (pointer) src_ptr */
9242 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9243 /* allocate local 1 (pointer) dst_ptr */
9244 mono_mb_add_local (mb, &klass->this_arg);
9246 /* initialize src_ptr to point to the start of object data */
9247 mono_mb_emit_byte (mb, CEE_LDARG_0);
9248 mono_mb_emit_stloc (mb, 0);
9250 /* initialize dst_ptr */
9251 mono_mb_emit_byte (mb, CEE_LDARG_1);
9252 mono_mb_emit_op (mb, CEE_UNBOX, klass);
9253 mono_mb_emit_stloc (mb, 1);
9255 emit_struct_conv (mb, klass, TRUE);
9258 mono_mb_emit_byte (mb, CEE_RET);
9260 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_PTR_TO_STRUCTURE);
9261 res = mono_mb_create (mb, ptostr, 0, info);
9264 mono_marshal_lock ();
9265 if (!marshal_info->ptr_to_str)
9266 marshal_info->ptr_to_str = res;
9268 res = marshal_info->ptr_to_str;
9269 mono_marshal_unlock ();
9274 * Return a dummy wrapper for METHOD which is called by synchronized wrappers.
9275 * This is used to avoid infinite recursion since it is hard to determine where to
9276 * replace a method with its synchronized wrapper, and where not.
9277 * The runtime should execute METHOD instead of the wrapper.
9280 mono_marshal_get_synchronized_inner_wrapper (MonoMethod *method)
9282 MonoMethodBuilder *mb;
9284 MonoMethodSignature *sig;
9286 MonoGenericContext *ctx = NULL;
9287 MonoGenericContainer *container = NULL;
9289 if (method->is_inflated && !mono_method_get_context (method)->method_inst) {
9290 ctx = &((MonoMethodInflated*)method)->context;
9291 method = ((MonoMethodInflated*)method)->declaring;
9292 container = mono_method_get_generic_container (method);
9294 container = mono_class_try_get_generic_container (method->klass); //FIXME is this a case of a try?
9295 g_assert (container);
9298 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_UNKNOWN);
9300 mono_mb_emit_exception_full (mb, "System", "ExecutionEngineException", "Shouldn't be called.");
9301 mono_mb_emit_byte (mb, CEE_RET);
9303 sig = mono_metadata_signature_dup_full (method->klass->image, mono_method_signature (method));
9305 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_SYNCHRONIZED_INNER);
9306 info->d.synchronized_inner.method = method;
9307 res = mono_mb_create (mb, sig, 0, info);
9311 res = mono_class_inflate_generic_method_checked (res, ctx, &error);
9312 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
9318 * generates IL code for the synchronized wrapper: the generated method
9319 * calls METHOD while locking 'this' or the parent type.
9322 mono_marshal_get_synchronized_wrapper (MonoMethod *method)
9324 static MonoMethod *enter_method, *exit_method, *gettypefromhandle_method;
9325 MonoMethodSignature *sig;
9326 MonoExceptionClause *clause;
9327 MonoMethodBuilder *mb;
9331 int i, pos, pos2, this_local, taken_local, ret_local = 0;
9332 MonoGenericContext *ctx = NULL;
9333 MonoMethod *orig_method = NULL;
9334 MonoGenericContainer *container = NULL;
9338 if (method->wrapper_type == MONO_WRAPPER_SYNCHRONIZED)
9341 /* FIXME: Support generic methods too */
9342 if (method->is_inflated && !mono_method_get_context (method)->method_inst) {
9343 orig_method = method;
9344 ctx = &((MonoMethodInflated*)method)->context;
9345 method = ((MonoMethodInflated*)method)->declaring;
9346 container = mono_method_get_generic_container (method);
9348 container = mono_class_try_get_generic_container (method->klass); //FIXME is this a case of a try?
9349 g_assert (container);
9356 cache = get_cache (&((MonoMethodInflated*)orig_method)->owner->wrapper_caches.synchronized_cache, mono_aligned_addr_hash, NULL);
9357 res = check_generic_wrapper_cache (cache, orig_method, orig_method, method);
9361 cache = get_cache (&method->klass->image->wrapper_caches.synchronized_cache, mono_aligned_addr_hash, NULL);
9362 if ((res = mono_marshal_find_in_cache (cache, method)))
9366 sig = mono_metadata_signature_dup_full (method->klass->image, mono_method_signature (method));
9369 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_SYNCHRONIZED);
9371 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NONE);
9372 info->d.synchronized.method = method;
9375 mb->skip_visibility = 1;
9377 if (!MONO_TYPE_IS_VOID (sig->ret))
9378 ret_local = mono_mb_add_local (mb, sig->ret);
9381 if (method->klass->valuetype && !(method->flags & MONO_METHOD_ATTR_STATIC)) {
9382 /* FIXME Is this really the best way to signal an error here? Isn't this called much later after class setup? -AK */
9383 mono_class_set_type_load_failure (method->klass, "");
9385 /* This will throw the type load exception when the wrapper is compiled */
9386 mono_mb_emit_byte (mb, CEE_LDNULL);
9387 mono_mb_emit_op (mb, CEE_ISINST, method->klass);
9388 mono_mb_emit_byte (mb, CEE_POP);
9390 if (!MONO_TYPE_IS_VOID (sig->ret))
9391 mono_mb_emit_ldloc (mb, ret_local);
9392 mono_mb_emit_byte (mb, CEE_RET);
9395 res = mono_mb_create_and_cache_full (cache, method,
9396 mb, sig, sig->param_count + 16, info, NULL);
9404 this_local = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
9405 taken_local = mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
9407 clause = (MonoExceptionClause *)mono_image_alloc0 (method->klass->image, sizeof (MonoExceptionClause));
9408 clause->flags = MONO_EXCEPTION_CLAUSE_FINALLY;
9411 mono_marshal_lock ();
9413 if (!enter_method) {
9414 MonoMethodDesc *desc;
9416 desc = mono_method_desc_new ("Monitor:Enter(object,bool&)", FALSE);
9417 enter_method = mono_method_desc_search_in_class (desc, mono_defaults.monitor_class);
9418 g_assert (enter_method);
9419 mono_method_desc_free (desc);
9421 desc = mono_method_desc_new ("Monitor:Exit", FALSE);
9422 exit_method = mono_method_desc_search_in_class (desc, mono_defaults.monitor_class);
9423 g_assert (exit_method);
9424 mono_method_desc_free (desc);
9426 desc = mono_method_desc_new ("Type:GetTypeFromHandle", FALSE);
9427 gettypefromhandle_method = mono_method_desc_search_in_class (desc, mono_defaults.systemtype_class);
9428 g_assert (gettypefromhandle_method);
9429 mono_method_desc_free (desc);
9432 mono_marshal_unlock ();
9435 /* Push this or the type object */
9436 if (method->flags & METHOD_ATTRIBUTE_STATIC) {
9437 /* We have special handling for this in the JIT */
9438 int index = mono_mb_add_data (mb, method->klass);
9439 mono_mb_add_data (mb, mono_defaults.typehandle_class);
9440 mono_mb_emit_byte (mb, CEE_LDTOKEN);
9441 mono_mb_emit_i4 (mb, index);
9443 mono_mb_emit_managed_call (mb, gettypefromhandle_method, NULL);
9446 mono_mb_emit_ldarg (mb, 0);
9447 mono_mb_emit_stloc (mb, this_local);
9449 /* Call Monitor::Enter() */
9450 mono_mb_emit_ldloc (mb, this_local);
9451 mono_mb_emit_ldloc_addr (mb, taken_local);
9452 mono_mb_emit_managed_call (mb, enter_method, NULL);
9454 clause->try_offset = mono_mb_get_label (mb);
9456 /* Call the method */
9458 mono_mb_emit_ldarg (mb, 0);
9459 for (i = 0; i < sig->param_count; i++)
9460 mono_mb_emit_ldarg (mb, i + (sig->hasthis == TRUE));
9464 mono_mb_emit_managed_call (mb, mono_class_inflate_generic_method_checked (method, &container->context, &error), NULL);
9465 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
9467 mono_mb_emit_managed_call (mb, method, NULL);
9470 if (!MONO_TYPE_IS_VOID (sig->ret))
9471 mono_mb_emit_stloc (mb, ret_local);
9473 pos = mono_mb_emit_branch (mb, CEE_LEAVE);
9475 clause->try_len = mono_mb_get_pos (mb) - clause->try_offset;
9476 clause->handler_offset = mono_mb_get_label (mb);
9478 /* Call Monitor::Exit() if needed */
9479 mono_mb_emit_ldloc (mb, taken_local);
9480 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
9481 mono_mb_emit_ldloc (mb, this_local);
9482 mono_mb_emit_managed_call (mb, exit_method, NULL);
9483 mono_mb_patch_branch (mb, pos2);
9484 mono_mb_emit_byte (mb, CEE_ENDFINALLY);
9486 clause->handler_len = mono_mb_get_pos (mb) - clause->handler_offset;
9488 mono_mb_patch_branch (mb, pos);
9489 if (!MONO_TYPE_IS_VOID (sig->ret))
9490 mono_mb_emit_ldloc (mb, ret_local);
9491 mono_mb_emit_byte (mb, CEE_RET);
9493 mono_mb_set_clauses (mb, 1, clause);
9498 def = mono_mb_create_and_cache_full (cache, method, mb, sig, sig->param_count + 16, info, NULL);
9499 res = cache_generic_wrapper (cache, orig_method, def, ctx, orig_method);
9501 res = mono_mb_create_and_cache_full (cache, method,
9502 mb, sig, sig->param_count + 16, info, NULL);
9511 * the returned method calls 'method' unboxing the this argument
9514 mono_marshal_get_unbox_wrapper (MonoMethod *method)
9516 MonoMethodSignature *sig = mono_method_signature (method);
9518 MonoMethodBuilder *mb;
9523 cache = get_cache (&mono_method_get_wrapper_cache (method)->unbox_wrapper_cache, mono_aligned_addr_hash, NULL);
9525 if ((res = mono_marshal_find_in_cache (cache, method)))
9528 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_UNBOX);
9530 g_assert (sig->hasthis);
9533 mono_mb_emit_ldarg (mb, 0);
9534 mono_mb_emit_icon (mb, sizeof (MonoObject));
9535 mono_mb_emit_byte (mb, CEE_ADD);
9536 for (i = 0; i < sig->param_count; ++i)
9537 mono_mb_emit_ldarg (mb, i + 1);
9538 mono_mb_emit_managed_call (mb, method, NULL);
9539 mono_mb_emit_byte (mb, CEE_RET);
9542 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NONE);
9543 info->d.unbox.method = method;
9545 res = mono_mb_create_and_cache_full (cache, method,
9546 mb, sig, sig->param_count + 16, info, NULL);
9549 /* mono_method_print_code (res); */
9555 STELEMREF_OBJECT, /*no check at all*/
9556 STELEMREF_SEALED_CLASS, /*check vtable->klass->element_type */
9557 STELEMREF_CLASS, /*only the klass->parents check*/
9558 STELEMREF_INTERFACE, /*interfaces without variant generic arguments. */
9559 STELEMREF_COMPLEX, /*arrays, MBR or types with variant generic args - go straight to icalls*/
9560 STELEMREF_KIND_COUNT
9563 static const char *strelemref_wrapper_name[] = {
9564 "object", "sealed_class", "class", "interface", "complex"
9568 is_monomorphic_array (MonoClass *klass)
9570 MonoClass *element_class;
9571 if (klass->rank != 1)
9574 element_class = klass->element_class;
9575 return mono_class_is_sealed (element_class) || element_class->valuetype;
9579 get_virtual_stelemref_kind (MonoClass *element_class)
9581 if (element_class == mono_defaults.object_class)
9582 return STELEMREF_OBJECT;
9583 if (is_monomorphic_array (element_class))
9584 return STELEMREF_SEALED_CLASS;
9585 /* Compressed interface bitmaps require code that is quite complex, so don't optimize for it. */
9586 if (MONO_CLASS_IS_INTERFACE (element_class) && !mono_class_has_variant_generic_params (element_class))
9587 #ifdef COMPRESSED_INTERFACE_BITMAP
9588 return STELEMREF_COMPLEX;
9590 return STELEMREF_INTERFACE;
9592 /*Arrays are sealed but are covariant on their element type, We can't use any of the fast paths.*/
9593 if (mono_class_is_marshalbyref (element_class) || element_class->rank || mono_class_has_variant_generic_params (element_class))
9594 return STELEMREF_COMPLEX;
9595 if (mono_class_is_sealed (element_class))
9596 return STELEMREF_SEALED_CLASS;
9597 return STELEMREF_CLASS;
9603 load_array_element_address (MonoMethodBuilder *mb)
9605 mono_mb_emit_ldarg (mb, 0);
9606 mono_mb_emit_ldarg (mb, 1);
9607 mono_mb_emit_op (mb, CEE_LDELEMA, mono_defaults.object_class);
9611 load_array_class (MonoMethodBuilder *mb, int aklass)
9613 mono_mb_emit_ldarg (mb, 0);
9614 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoObject, vtable));
9615 mono_mb_emit_byte (mb, CEE_LDIND_I);
9616 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoVTable, klass));
9617 mono_mb_emit_byte (mb, CEE_LDIND_I);
9618 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoClass, element_class));
9619 mono_mb_emit_byte (mb, CEE_LDIND_I);
9620 mono_mb_emit_stloc (mb, aklass);
9624 load_value_class (MonoMethodBuilder *mb, int vklass)
9626 mono_mb_emit_ldarg (mb, 2);
9627 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoObject, vtable));
9628 mono_mb_emit_byte (mb, CEE_LDIND_I);
9629 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoVTable, klass));
9630 mono_mb_emit_byte (mb, CEE_LDIND_I);
9631 mono_mb_emit_stloc (mb, vklass);
9637 record_slot_vstore (MonoObject *array, size_t index, MonoObject *value)
9639 char *name = mono_type_get_full_name (array->vtable->klass->element_class);
9640 printf ("slow vstore of %s\n", name);
9647 * - Separate simple interfaces from variant interfaces or mbr types. This way we can avoid the icall for them.
9648 * - Emit a (new) mono bytecode that produces OP_COND_EXC_NE_UN to raise ArrayTypeMismatch
9649 * - Maybe mve some MonoClass field into the vtable to reduce the number of loads
9650 * - Add a case for arrays of arrays.
9653 get_virtual_stelemref_wrapper (int kind)
9655 static MonoMethod *cached_methods [STELEMREF_KIND_COUNT] = { NULL }; /*object iface sealed regular*/
9656 static MonoMethodSignature *signature;
9657 MonoMethodBuilder *mb;
9660 const char *param_names [16];
9661 guint32 b1, b2, b3, b4;
9662 int aklass, vklass, vtable, uiid;
9663 int array_slot_addr;
9666 if (cached_methods [kind])
9667 return cached_methods [kind];
9669 name = g_strdup_printf ("virt_stelemref_%s", strelemref_wrapper_name [kind]);
9670 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_STELEMREF);
9674 MonoMethodSignature *sig = mono_metadata_signature_alloc (mono_defaults.corlib, 2);
9676 /* void this::stelemref (size_t idx, void* value) */
9677 sig->ret = &mono_defaults.void_class->byval_arg;
9678 sig->hasthis = TRUE;
9679 sig->params [0] = &mono_defaults.int_class->byval_arg; /* this is a natural sized int */
9680 sig->params [1] = &mono_defaults.object_class->byval_arg;
9685 param_names [0] = "index";
9686 param_names [1] = "value";
9687 mono_mb_set_param_names (mb, param_names);
9689 /*For now simply call plain old stelemref*/
9691 case STELEMREF_OBJECT:
9692 /* ldelema (implicit bound check) */
9693 load_array_element_address (mb);
9695 mono_mb_emit_ldarg (mb, 2);
9696 mono_mb_emit_byte (mb, CEE_STIND_REF);
9697 mono_mb_emit_byte (mb, CEE_RET);
9700 case STELEMREF_COMPLEX:
9702 <ldelema (bound check)>
9705 if (!mono_object_isinst (value, aklass))
9709 *array_slot_addr = value;
9712 throw new ArrayTypeMismatchException ();
9715 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9716 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
9720 /*Use this to debug/record stores that are going thru the slow path*/
9721 MonoMethodSignature *csig;
9722 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
9723 csig->ret = &mono_defaults.void_class->byval_arg;
9724 csig->params [0] = &mono_defaults.object_class->byval_arg;
9725 csig->params [1] = &mono_defaults.int_class->byval_arg; /* this is a natural sized int */
9726 csig->params [2] = &mono_defaults.object_class->byval_arg;
9727 mono_mb_emit_ldarg (mb, 0);
9728 mono_mb_emit_ldarg (mb, 1);
9729 mono_mb_emit_ldarg (mb, 2);
9730 mono_mb_emit_native_call (mb, csig, record_slot_vstore);
9734 /* ldelema (implicit bound check) */
9735 load_array_element_address (mb);
9736 mono_mb_emit_stloc (mb, array_slot_addr);
9738 /* if (!value) goto do_store */
9739 mono_mb_emit_ldarg (mb, 2);
9740 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
9742 /* aklass = array->vtable->klass->element_class */
9743 load_array_class (mb, aklass);
9745 /*if (mono_object_isinst (value, aklass)) */
9746 mono_mb_emit_ldarg (mb, 2);
9747 mono_mb_emit_ldloc (mb, aklass);
9748 mono_mb_emit_icall (mb, mono_object_isinst_icall);
9749 b2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
9752 mono_mb_patch_branch (mb, b1);
9753 mono_mb_emit_ldloc (mb, array_slot_addr);
9754 mono_mb_emit_ldarg (mb, 2);
9755 mono_mb_emit_byte (mb, CEE_STIND_REF);
9756 mono_mb_emit_byte (mb, CEE_RET);
9759 mono_mb_patch_branch (mb, b2);
9761 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
9764 case STELEMREF_SEALED_CLASS:
9766 <ldelema (bound check)>
9770 aklass = array->vtable->klass->element_class;
9771 vklass = value->vtable->klass;
9773 if (vklass != aklass)
9777 *array_slot_addr = value;
9780 throw new ArrayTypeMismatchException ();
9782 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9783 vklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9784 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
9787 /* ldelema (implicit bound check) */
9788 load_array_element_address (mb);
9789 mono_mb_emit_stloc (mb, array_slot_addr);
9791 /* if (!value) goto do_store */
9792 mono_mb_emit_ldarg (mb, 2);
9793 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
9795 /* aklass = array->vtable->klass->element_class */
9796 load_array_class (mb, aklass);
9798 /* vklass = value->vtable->klass */
9799 load_value_class (mb, vklass);
9801 /*if (vklass != aklass) goto do_exception; */
9802 mono_mb_emit_ldloc (mb, aklass);
9803 mono_mb_emit_ldloc (mb, vklass);
9804 b2 = mono_mb_emit_branch (mb, CEE_BNE_UN);
9807 mono_mb_patch_branch (mb, b1);
9808 mono_mb_emit_ldloc (mb, array_slot_addr);
9809 mono_mb_emit_ldarg (mb, 2);
9810 mono_mb_emit_byte (mb, CEE_STIND_REF);
9811 mono_mb_emit_byte (mb, CEE_RET);
9814 mono_mb_patch_branch (mb, b2);
9815 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
9818 case STELEMREF_CLASS:
9821 <ldelema (bound check)>
9825 aklass = array->vtable->klass->element_class;
9826 vklass = value->vtable->klass;
9828 if (vklass->idepth < aklass->idepth)
9831 if (vklass->supertypes [aklass->idepth - 1] != aklass)
9835 *array_slot_addr = value;
9839 throw new ArrayTypeMismatchException ();
9841 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9842 vklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9843 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
9845 /* ldelema (implicit bound check) */
9846 load_array_element_address (mb);
9847 mono_mb_emit_stloc (mb, array_slot_addr);
9849 /* if (!value) goto do_store */
9850 mono_mb_emit_ldarg (mb, 2);
9851 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
9853 /* aklass = array->vtable->klass->element_class */
9854 load_array_class (mb, aklass);
9856 /* vklass = value->vtable->klass */
9857 load_value_class (mb, vklass);
9859 /*if (mono_object_isinst (value, aklass)) */
9860 mono_mb_emit_ldarg (mb, 2);
9861 mono_mb_emit_ldloc (mb, aklass);
9862 mono_mb_emit_icall (mb, mono_object_isinst_icall);
9863 b2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
9865 /* if (vklass->idepth < aklass->idepth) goto failue */
9866 mono_mb_emit_ldloc (mb, vklass);
9867 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoClass, idepth));
9868 mono_mb_emit_byte (mb, CEE_LDIND_U2);
9870 mono_mb_emit_ldloc (mb, aklass);
9871 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoClass, idepth));
9872 mono_mb_emit_byte (mb, CEE_LDIND_U2);
9874 b3 = mono_mb_emit_branch (mb, CEE_BLT_UN);
9876 /* if (vklass->supertypes [aklass->idepth - 1] != aklass) goto failure */
9877 mono_mb_emit_ldloc (mb, vklass);
9878 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoClass, supertypes));
9879 mono_mb_emit_byte (mb, CEE_LDIND_I);
9881 mono_mb_emit_ldloc (mb, aklass);
9882 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoClass, idepth));
9883 mono_mb_emit_byte (mb, CEE_LDIND_U2);
9884 mono_mb_emit_icon (mb, 1);
9885 mono_mb_emit_byte (mb, CEE_SUB);
9886 mono_mb_emit_icon (mb, sizeof (void*));
9887 mono_mb_emit_byte (mb, CEE_MUL);
9888 mono_mb_emit_byte (mb, CEE_ADD);
9889 mono_mb_emit_byte (mb, CEE_LDIND_I);
9891 mono_mb_emit_ldloc (mb, aklass);
9892 b4 = mono_mb_emit_branch (mb, CEE_BNE_UN);
9895 mono_mb_patch_branch (mb, b1);
9896 mono_mb_emit_ldloc (mb, array_slot_addr);
9897 mono_mb_emit_ldarg (mb, 2);
9898 mono_mb_emit_byte (mb, CEE_STIND_REF);
9899 mono_mb_emit_byte (mb, CEE_RET);
9902 mono_mb_patch_branch (mb, b2);
9903 mono_mb_patch_branch (mb, b3);
9904 mono_mb_patch_branch (mb, b4);
9906 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
9909 case STELEMREF_INTERFACE:
9916 klass = array->obj.vtable->klass->element_class;
9918 uiid = klass->interface_id;
9919 if (uiid > vt->max_interface_id)
9921 if (!(vt->interface_bitmap [(uiid) >> 3] & (1 << ((uiid)&7))))
9924 mono_array_setref (array, index, value);
9927 mono_raise_exception (mono_get_exception_array_type_mismatch ());*/
9929 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
9930 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9931 vtable = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9932 uiid = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
9934 /* ldelema (implicit bound check) */
9935 load_array_element_address (mb);
9936 mono_mb_emit_stloc (mb, array_slot_addr);
9938 /* if (!value) goto do_store */
9939 mono_mb_emit_ldarg (mb, 2);
9940 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
9942 /* klass = array->vtable->klass->element_class */
9943 load_array_class (mb, aklass);
9945 /* vt = value->vtable */
9946 mono_mb_emit_ldarg (mb, 2);
9947 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoObject, vtable));
9948 mono_mb_emit_byte (mb, CEE_LDIND_I);
9949 mono_mb_emit_stloc (mb, vtable);
9951 /* uiid = klass->interface_id; */
9952 mono_mb_emit_ldloc (mb, aklass);
9953 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoClass, interface_id));
9954 mono_mb_emit_byte (mb, CEE_LDIND_U4);
9955 mono_mb_emit_stloc (mb, uiid);
9957 /*if (uiid > vt->max_interface_id)*/
9958 mono_mb_emit_ldloc (mb, uiid);
9959 mono_mb_emit_ldloc (mb, vtable);
9960 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoVTable, max_interface_id));
9961 mono_mb_emit_byte (mb, CEE_LDIND_U4);
9962 b2 = mono_mb_emit_branch (mb, CEE_BGT_UN);
9964 /* if (!(vt->interface_bitmap [(uiid) >> 3] & (1 << ((uiid)&7)))) */
9966 /*vt->interface_bitmap*/
9967 mono_mb_emit_ldloc (mb, vtable);
9968 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoVTable, interface_bitmap));
9969 mono_mb_emit_byte (mb, CEE_LDIND_I);
9972 mono_mb_emit_ldloc (mb, uiid);
9973 mono_mb_emit_icon (mb, 3);
9974 mono_mb_emit_byte (mb, CEE_SHR_UN);
9976 /*vt->interface_bitmap [(uiid) >> 3]*/
9977 mono_mb_emit_byte (mb, CEE_ADD); /*interface_bitmap is a guint8 array*/
9978 mono_mb_emit_byte (mb, CEE_LDIND_U1);
9980 /*(1 << ((uiid)&7)))*/
9981 mono_mb_emit_icon (mb, 1);
9982 mono_mb_emit_ldloc (mb, uiid);
9983 mono_mb_emit_icon (mb, 7);
9984 mono_mb_emit_byte (mb, CEE_AND);
9985 mono_mb_emit_byte (mb, CEE_SHL);
9987 /*bitwise and the whole thing*/
9988 mono_mb_emit_byte (mb, CEE_AND);
9989 b3 = mono_mb_emit_branch (mb, CEE_BRFALSE);
9992 mono_mb_patch_branch (mb, b1);
9993 mono_mb_emit_ldloc (mb, array_slot_addr);
9994 mono_mb_emit_ldarg (mb, 2);
9995 mono_mb_emit_byte (mb, CEE_STIND_REF);
9996 mono_mb_emit_byte (mb, CEE_RET);
9999 mono_mb_patch_branch (mb, b2);
10000 mono_mb_patch_branch (mb, b3);
10001 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
10005 mono_mb_emit_ldarg (mb, 0);
10006 mono_mb_emit_ldarg (mb, 1);
10007 mono_mb_emit_ldarg (mb, 2);
10008 mono_mb_emit_managed_call (mb, mono_marshal_get_stelemref (), NULL);
10009 mono_mb_emit_byte (mb, CEE_RET);
10012 #endif /* DISABLE_JIT */
10013 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_VIRTUAL_STELEMREF);
10014 info->d.virtual_stelemref.kind = kind;
10015 res = mono_mb_create (mb, signature, 4, info);
10016 res->flags |= METHOD_ATTRIBUTE_VIRTUAL;
10018 mono_marshal_lock ();
10019 if (!cached_methods [kind]) {
10020 cached_methods [kind] = res;
10021 mono_marshal_unlock ();
10023 mono_marshal_unlock ();
10024 mono_free_method (res);
10028 return cached_methods [kind];
10032 mono_marshal_get_virtual_stelemref (MonoClass *array_class)
10036 g_assert (array_class->rank == 1);
10037 kind = get_virtual_stelemref_kind (array_class->element_class);
10039 return get_virtual_stelemref_wrapper (kind);
10043 mono_marshal_get_virtual_stelemref_wrappers (int *nwrappers)
10048 *nwrappers = STELEMREF_KIND_COUNT;
10049 res = (MonoMethod **)g_malloc0 (STELEMREF_KIND_COUNT * sizeof (MonoMethod*));
10050 for (i = 0; i < STELEMREF_KIND_COUNT; ++i)
10051 res [i] = get_virtual_stelemref_wrapper (i);
10056 mono_marshal_get_stelemref (void)
10058 static MonoMethod* ret = NULL;
10059 MonoMethodSignature *sig;
10060 MonoMethodBuilder *mb;
10063 guint32 b1, b2, b3, b4;
10065 int aklass, vklass;
10066 int array_slot_addr;
10071 mb = mono_mb_new (mono_defaults.object_class, "stelemref", MONO_WRAPPER_STELEMREF);
10074 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
10076 /* void stelemref (void* array, int idx, void* value) */
10077 sig->ret = &mono_defaults.void_class->byval_arg;
10078 sig->params [0] = &mono_defaults.object_class->byval_arg;
10079 sig->params [1] = &mono_defaults.int_class->byval_arg; /* this is a natural sized int */
10080 sig->params [2] = &mono_defaults.object_class->byval_arg;
10082 #ifndef DISABLE_JIT
10083 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10084 vklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10085 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
10089 <ldelema (bound check)>
10093 aklass = array->vtable->klass->element_class;
10094 vklass = value->vtable->klass;
10096 if (vklass->idepth < aklass->idepth)
10099 if (vklass->supertypes [aklass->idepth - 1] != aklass)
10103 *array_slot_addr = value;
10107 if (mono_object_isinst (value, aklass))
10110 throw new ArrayTypeMismatchException ();
10113 /* ldelema (implicit bound check) */
10114 mono_mb_emit_ldarg (mb, 0);
10115 mono_mb_emit_ldarg (mb, 1);
10116 mono_mb_emit_op (mb, CEE_LDELEMA, mono_defaults.object_class);
10117 mono_mb_emit_stloc (mb, array_slot_addr);
10119 /* if (!value) goto do_store */
10120 mono_mb_emit_ldarg (mb, 2);
10121 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
10123 /* aklass = array->vtable->klass->element_class */
10124 mono_mb_emit_ldarg (mb, 0);
10125 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoObject, vtable));
10126 mono_mb_emit_byte (mb, CEE_LDIND_I);
10127 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoVTable, klass));
10128 mono_mb_emit_byte (mb, CEE_LDIND_I);
10129 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoClass, element_class));
10130 mono_mb_emit_byte (mb, CEE_LDIND_I);
10131 mono_mb_emit_stloc (mb, aklass);
10133 /* vklass = value->vtable->klass */
10134 mono_mb_emit_ldarg (mb, 2);
10135 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoObject, vtable));
10136 mono_mb_emit_byte (mb, CEE_LDIND_I);
10137 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoVTable, klass));
10138 mono_mb_emit_byte (mb, CEE_LDIND_I);
10139 mono_mb_emit_stloc (mb, vklass);
10141 /* if (vklass->idepth < aklass->idepth) goto failue */
10142 mono_mb_emit_ldloc (mb, vklass);
10143 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoClass, idepth));
10144 mono_mb_emit_byte (mb, CEE_LDIND_U2);
10146 mono_mb_emit_ldloc (mb, aklass);
10147 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoClass, idepth));
10148 mono_mb_emit_byte (mb, CEE_LDIND_U2);
10150 b2 = mono_mb_emit_branch (mb, CEE_BLT_UN);
10152 /* if (vklass->supertypes [aklass->idepth - 1] != aklass) goto failure */
10153 mono_mb_emit_ldloc (mb, vklass);
10154 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoClass, supertypes));
10155 mono_mb_emit_byte (mb, CEE_LDIND_I);
10157 mono_mb_emit_ldloc (mb, aklass);
10158 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoClass, idepth));
10159 mono_mb_emit_byte (mb, CEE_LDIND_U2);
10160 mono_mb_emit_icon (mb, 1);
10161 mono_mb_emit_byte (mb, CEE_SUB);
10162 mono_mb_emit_icon (mb, sizeof (void*));
10163 mono_mb_emit_byte (mb, CEE_MUL);
10164 mono_mb_emit_byte (mb, CEE_ADD);
10165 mono_mb_emit_byte (mb, CEE_LDIND_I);
10167 mono_mb_emit_ldloc (mb, aklass);
10169 b3 = mono_mb_emit_branch (mb, CEE_BNE_UN);
10171 copy_pos = mono_mb_get_label (mb);
10173 mono_mb_patch_branch (mb, b1);
10174 mono_mb_emit_ldloc (mb, array_slot_addr);
10175 mono_mb_emit_ldarg (mb, 2);
10176 mono_mb_emit_byte (mb, CEE_STIND_REF);
10178 mono_mb_emit_byte (mb, CEE_RET);
10181 mono_mb_patch_branch (mb, b2);
10182 mono_mb_patch_branch (mb, b3);
10184 mono_mb_emit_ldarg (mb, 2);
10185 mono_mb_emit_ldloc (mb, aklass);
10186 mono_mb_emit_icall (mb, mono_object_isinst_icall);
10188 b4 = mono_mb_emit_branch (mb, CEE_BRTRUE);
10189 mono_mb_patch_addr (mb, b4, copy_pos - (b4 + 4));
10190 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
10192 mono_mb_emit_byte (mb, CEE_RET);
10194 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NONE);
10195 ret = mono_mb_create (mb, sig, 4, info);
10202 * mono_marshal_get_gsharedvt_in_wrapper:
10204 * This wrapper handles calls from normal code to gsharedvt code.
10207 mono_marshal_get_gsharedvt_in_wrapper (void)
10209 static MonoMethod* ret = NULL;
10210 MonoMethodSignature *sig;
10211 MonoMethodBuilder *mb;
10217 mb = mono_mb_new (mono_defaults.object_class, "gsharedvt_in", MONO_WRAPPER_UNKNOWN);
10219 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
10220 sig->ret = &mono_defaults.void_class->byval_arg;
10222 #ifndef DISABLE_JIT
10224 * The body is generated by the JIT, we use a wrapper instead of a trampoline so EH works.
10226 mono_mb_emit_byte (mb, CEE_RET);
10228 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_GSHAREDVT_IN);
10229 ret = mono_mb_create (mb, sig, 4, info);
10236 * mono_marshal_get_gsharedvt_out_wrapper:
10238 * This wrapper handles calls from gsharedvt code to normal code.
10241 mono_marshal_get_gsharedvt_out_wrapper (void)
10243 static MonoMethod* ret = NULL;
10244 MonoMethodSignature *sig;
10245 MonoMethodBuilder *mb;
10251 mb = mono_mb_new (mono_defaults.object_class, "gsharedvt_out", MONO_WRAPPER_UNKNOWN);
10253 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
10254 sig->ret = &mono_defaults.void_class->byval_arg;
10256 #ifndef DISABLE_JIT
10258 * The body is generated by the JIT, we use a wrapper instead of a trampoline so EH works.
10260 mono_mb_emit_byte (mb, CEE_RET);
10262 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_GSHAREDVT_OUT);
10263 ret = mono_mb_create (mb, sig, 4, info);
10272 MonoMethod *method;
10275 /* LOCKING: vars accessed under the marshal lock */
10276 static ArrayElemAddr *elem_addr_cache = NULL;
10277 static int elem_addr_cache_size = 0;
10278 static int elem_addr_cache_next = 0;
10281 * mono_marshal_get_array_address:
10282 * @rank: rank of the array type
10283 * @elem_size: size in bytes of an element of an array.
10285 * Returns a MonoMethod that implements the code to get the address
10286 * of an element in a multi-dimenasional array of @rank dimensions.
10287 * The returned method takes an array as the first argument and then
10288 * @rank indexes for the @rank dimensions.
10289 * If ELEM_SIZE is 0, read the array size from the array object.
10292 mono_marshal_get_array_address (int rank, int elem_size)
10295 MonoMethodBuilder *mb;
10296 MonoMethodSignature *sig;
10299 int i, bounds, ind, realidx;
10300 int branch_pos, *branch_positions;
10304 mono_marshal_lock ();
10305 for (i = 0; i < elem_addr_cache_next; ++i) {
10306 if (elem_addr_cache [i].rank == rank && elem_addr_cache [i].elem_size == elem_size) {
10307 ret = elem_addr_cache [i].method;
10311 mono_marshal_unlock ();
10315 branch_positions = g_new0 (int, rank);
10317 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1 + rank);
10319 /* void* address (void* array, int idx0, int idx1, int idx2, ...) */
10320 sig->ret = &mono_defaults.int_class->byval_arg;
10321 sig->params [0] = &mono_defaults.object_class->byval_arg;
10322 for (i = 0; i < rank; ++i) {
10323 sig->params [i + 1] = &mono_defaults.int32_class->byval_arg;
10326 name = g_strdup_printf ("ElementAddr_%d", elem_size);
10327 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_MANAGED_TO_MANAGED);
10330 #ifndef DISABLE_JIT
10331 bounds = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10332 ind = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
10333 realidx = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
10335 /* bounds = array->bounds; */
10336 mono_mb_emit_ldarg (mb, 0);
10337 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoArray, bounds));
10338 mono_mb_emit_byte (mb, CEE_LDIND_I);
10339 mono_mb_emit_stloc (mb, bounds);
10341 /* ind is the overall element index, realidx is the partial index in a single dimension */
10342 /* ind = idx0 - bounds [0].lower_bound */
10343 mono_mb_emit_ldarg (mb, 1);
10344 mono_mb_emit_ldloc (mb, bounds);
10345 mono_mb_emit_icon (mb, MONO_STRUCT_OFFSET (MonoArrayBounds, lower_bound));
10346 mono_mb_emit_byte (mb, CEE_ADD);
10347 mono_mb_emit_byte (mb, CEE_LDIND_I4);
10348 mono_mb_emit_byte (mb, CEE_SUB);
10349 mono_mb_emit_stloc (mb, ind);
10350 /* if (ind >= bounds [0].length) goto exeception; */
10351 mono_mb_emit_ldloc (mb, ind);
10352 mono_mb_emit_ldloc (mb, bounds);
10353 mono_mb_emit_icon (mb, MONO_STRUCT_OFFSET (MonoArrayBounds, length));
10354 mono_mb_emit_byte (mb, CEE_ADD);
10355 mono_mb_emit_byte (mb, CEE_LDIND_I4);
10356 /* note that we use unsigned comparison */
10357 branch_pos = mono_mb_emit_branch (mb, CEE_BGE_UN);
10359 /* For large ranks (> 4?) use a loop n IL later to reduce code size.
10360 * We could also decide to ignore the passed elem_size and get it
10361 * from the array object, to reduce the number of methods we generate:
10362 * the additional cost is 3 memory loads and a non-immediate mul.
10364 for (i = 1; i < rank; ++i) {
10365 /* realidx = idxi - bounds [i].lower_bound */
10366 mono_mb_emit_ldarg (mb, 1 + i);
10367 mono_mb_emit_ldloc (mb, bounds);
10368 mono_mb_emit_icon (mb, (i * sizeof (MonoArrayBounds)) + MONO_STRUCT_OFFSET (MonoArrayBounds, lower_bound));
10369 mono_mb_emit_byte (mb, CEE_ADD);
10370 mono_mb_emit_byte (mb, CEE_LDIND_I4);
10371 mono_mb_emit_byte (mb, CEE_SUB);
10372 mono_mb_emit_stloc (mb, realidx);
10373 /* if (realidx >= bounds [i].length) goto exeception; */
10374 mono_mb_emit_ldloc (mb, realidx);
10375 mono_mb_emit_ldloc (mb, bounds);
10376 mono_mb_emit_icon (mb, (i * sizeof (MonoArrayBounds)) + MONO_STRUCT_OFFSET (MonoArrayBounds, length));
10377 mono_mb_emit_byte (mb, CEE_ADD);
10378 mono_mb_emit_byte (mb, CEE_LDIND_I4);
10379 branch_positions [i] = mono_mb_emit_branch (mb, CEE_BGE_UN);
10380 /* ind = ind * bounds [i].length + realidx */
10381 mono_mb_emit_ldloc (mb, ind);
10382 mono_mb_emit_ldloc (mb, bounds);
10383 mono_mb_emit_icon (mb, (i * sizeof (MonoArrayBounds)) + MONO_STRUCT_OFFSET (MonoArrayBounds, length));
10384 mono_mb_emit_byte (mb, CEE_ADD);
10385 mono_mb_emit_byte (mb, CEE_LDIND_I4);
10386 mono_mb_emit_byte (mb, CEE_MUL);
10387 mono_mb_emit_ldloc (mb, realidx);
10388 mono_mb_emit_byte (mb, CEE_ADD);
10389 mono_mb_emit_stloc (mb, ind);
10392 /* return array->vector + ind * element_size */
10393 mono_mb_emit_ldarg (mb, 0);
10394 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoArray, vector));
10395 mono_mb_emit_ldloc (mb, ind);
10397 mono_mb_emit_icon (mb, elem_size);
10399 /* Load arr->vtable->klass->sizes.element_class */
10400 mono_mb_emit_ldarg (mb, 0);
10401 mono_mb_emit_byte (mb, CEE_CONV_I);
10402 mono_mb_emit_icon (mb, MONO_STRUCT_OFFSET (MonoObject, vtable));
10403 mono_mb_emit_byte (mb, CEE_ADD);
10404 mono_mb_emit_byte (mb, CEE_LDIND_I);
10405 mono_mb_emit_icon (mb, MONO_STRUCT_OFFSET (MonoVTable, klass));
10406 mono_mb_emit_byte (mb, CEE_ADD);
10407 mono_mb_emit_byte (mb, CEE_LDIND_I);
10408 /* sizes is an union, so this reads sizes.element_size */
10409 mono_mb_emit_icon (mb, MONO_STRUCT_OFFSET (MonoClass, sizes));
10410 mono_mb_emit_byte (mb, CEE_ADD);
10411 mono_mb_emit_byte (mb, CEE_LDIND_I4);
10413 mono_mb_emit_byte (mb, CEE_MUL);
10414 mono_mb_emit_byte (mb, CEE_ADD);
10415 mono_mb_emit_byte (mb, CEE_RET);
10417 /* patch the branches to get here and throw */
10418 for (i = 1; i < rank; ++i) {
10419 mono_mb_patch_branch (mb, branch_positions [i]);
10421 mono_mb_patch_branch (mb, branch_pos);
10422 /* throw exception */
10423 mono_mb_emit_exception (mb, "IndexOutOfRangeException", NULL);
10425 g_free (branch_positions);
10426 #endif /* DISABLE_JIT */
10428 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_ELEMENT_ADDR);
10429 info->d.element_addr.rank = rank;
10430 info->d.element_addr.elem_size = elem_size;
10431 ret = mono_mb_create (mb, sig, 4, info);
10434 /* cache the result */
10436 mono_marshal_lock ();
10437 for (i = 0; i < elem_addr_cache_next; ++i) {
10438 if (elem_addr_cache [i].rank == rank && elem_addr_cache [i].elem_size == elem_size) {
10439 /* FIXME: free ret */
10440 ret = elem_addr_cache [i].method;
10446 if (elem_addr_cache_next >= elem_addr_cache_size) {
10447 int new_size = elem_addr_cache_size + 4;
10448 ArrayElemAddr *new_array = g_new0 (ArrayElemAddr, new_size);
10449 memcpy (new_array, elem_addr_cache, elem_addr_cache_size * sizeof (ArrayElemAddr));
10450 g_free (elem_addr_cache);
10451 elem_addr_cache = new_array;
10452 elem_addr_cache_size = new_size;
10454 elem_addr_cache [elem_addr_cache_next].rank = rank;
10455 elem_addr_cache [elem_addr_cache_next].elem_size = elem_size;
10456 elem_addr_cache [elem_addr_cache_next].method = ret;
10457 elem_addr_cache_next ++;
10459 mono_marshal_unlock ();
10464 * mono_marshal_get_array_accessor_wrapper:
10466 * Return a wrapper which just calls METHOD, which should be an Array Get/Set/Address method.
10469 mono_marshal_get_array_accessor_wrapper (MonoMethod *method)
10471 MonoMethodSignature *sig;
10472 MonoMethodBuilder *mb;
10476 MonoGenericContext *ctx = NULL;
10477 MonoMethod *orig_method = NULL;
10478 MonoGenericContainer *container = NULL;
10482 * These wrappers are needed to avoid the JIT replacing the calls to these methods with intrinsics
10483 * inside runtime invoke wrappers, thereby making the wrappers not unshareable.
10484 * FIXME: Use generic methods.
10491 g_assert_not_reached ();
10493 cache = get_cache (&method->klass->image->array_accessor_cache, mono_aligned_addr_hash, NULL);
10494 if ((res = mono_marshal_find_in_cache (cache, method)))
10498 sig = mono_metadata_signature_dup_full (method->klass->image, mono_method_signature (method));
10501 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_UNKNOWN);
10503 #ifndef DISABLE_JIT
10504 /* Call the method */
10506 mono_mb_emit_ldarg (mb, 0);
10507 for (i = 0; i < sig->param_count; i++)
10508 mono_mb_emit_ldarg (mb, i + (sig->hasthis == TRUE));
10512 mono_mb_emit_managed_call (mb, mono_class_inflate_generic_method_checked (method, &container->context, &error), NULL);
10513 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
10515 mono_mb_emit_managed_call (mb, method, NULL);
10517 mono_mb_emit_byte (mb, CEE_RET);
10520 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_ARRAY_ACCESSOR);
10521 info->d.array_accessor.method = method;
10525 def = mono_mb_create_and_cache_full (cache, method, mb, sig, sig->param_count + 16, info, NULL);
10526 res = cache_generic_wrapper (cache, orig_method, def, ctx, orig_method);
10528 res = mono_mb_create_and_cache_full (cache, method,
10529 mb, sig, sig->param_count + 16,
10538 static inline void*
10539 mono_marshal_alloc_co_task_mem (size_t size)
10541 if ((gulong)size == 0)
10542 /* This returns a valid pointer for size 0 on MS.NET */
10545 return g_try_malloc ((gulong)size);
10550 mono_marshal_alloc (gulong size, MonoError *error)
10554 mono_error_init (error);
10556 res = mono_marshal_alloc_co_task_mem (size);
10558 mono_error_set_out_of_memory (error, "Could not allocate %lu bytes", size);
10563 /* This is a JIT icall, it sets the pending exception and returns NULL on error. */
10565 ves_icall_marshal_alloc (gulong size)
10568 void *ret = mono_marshal_alloc (size, &error);
10569 if (!mono_error_ok (&error)) {
10570 mono_error_set_pending_exception (&error);
10579 mono_marshal_free_co_task_mem (void *ptr)
10587 mono_marshal_free (gpointer ptr)
10589 mono_marshal_free_co_task_mem (ptr);
10593 mono_marshal_free_array (gpointer *ptr, int size)
10600 for (i = 0; i < size; i++)
10606 mono_marshal_string_to_utf16 (MonoString *s)
10608 return s ? mono_string_chars (s) : NULL;
10611 /* This is a JIT icall, it sets the pending exception and returns NULL on error. */
10613 mono_marshal_string_to_utf16_copy (MonoString *s)
10619 gunichar2 *res = (gunichar2 *)mono_marshal_alloc ((mono_string_length (s) * 2) + 2, &error);
10620 if (!mono_error_ok (&error)) {
10621 mono_error_set_pending_exception (&error);
10624 memcpy (res, mono_string_chars (s), mono_string_length (s) * 2);
10625 res [mono_string_length (s)] = 0;
10631 * mono_marshal_set_last_error:
10633 * This function is invoked to set the last error value from a P/Invoke call
10634 * which has SetLastError set.
10637 mono_marshal_set_last_error (void)
10640 mono_native_tls_set_value (last_error_tls_id, GINT_TO_POINTER (GetLastError ()));
10642 mono_native_tls_set_value (last_error_tls_id, GINT_TO_POINTER (errno));
10647 mono_marshal_set_last_error_windows (int error)
10650 mono_native_tls_set_value (last_error_tls_id, GINT_TO_POINTER (error));
10655 ves_icall_System_Runtime_InteropServices_Marshal_copy_to_unmanaged (MonoArray *src, gint32 start_index,
10656 gpointer dest, gint32 length)
10661 MONO_CHECK_ARG_NULL (src,);
10662 MONO_CHECK_ARG_NULL (dest,);
10664 if (src->obj.vtable->klass->rank != 1) {
10665 mono_set_pending_exception (mono_get_exception_argument ("array", "array is multi-dimensional"));
10668 if (start_index < 0) {
10669 mono_set_pending_exception (mono_get_exception_argument ("startIndex", "Must be >= 0"));
10673 mono_set_pending_exception (mono_get_exception_argument ("length", "Must be >= 0"));
10676 if (start_index + length > mono_array_length (src)) {
10677 mono_set_pending_exception (mono_get_exception_argument ("length", "start_index + length > array length"));
10681 element_size = mono_array_element_size (src->obj.vtable->klass);
10683 /* no references should be involved */
10684 source_addr = mono_array_addr_with_size_fast (src, element_size, start_index);
10686 memcpy (dest, source_addr, length * element_size);
10690 ves_icall_System_Runtime_InteropServices_Marshal_copy_from_unmanaged (gpointer src, gint32 start_index,
10691 MonoArray *dest, gint32 length)
10696 MONO_CHECK_ARG_NULL (src,);
10697 MONO_CHECK_ARG_NULL (dest,);
10699 if (dest->obj.vtable->klass->rank != 1) {
10700 mono_set_pending_exception (mono_get_exception_argument ("array", "array is multi-dimensional"));
10703 if (start_index < 0) {
10704 mono_set_pending_exception (mono_get_exception_argument ("startIndex", "Must be >= 0"));
10708 mono_set_pending_exception (mono_get_exception_argument ("length", "Must be >= 0"));
10711 if (start_index + length > mono_array_length (dest)) {
10712 mono_set_pending_exception (mono_get_exception_argument ("length", "start_index + length > array length"));
10715 element_size = mono_array_element_size (dest->obj.vtable->klass);
10717 /* no references should be involved */
10718 dest_addr = mono_array_addr_with_size_fast (dest, element_size, start_index);
10720 memcpy (dest_addr, src, length * element_size);
10724 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringAnsi (char *ptr)
10729 return mono_string_new (mono_domain_get (), ptr);
10733 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringAnsi_len (char *ptr, gint32 len)
10736 MonoString *result = NULL;
10737 mono_error_init (&error);
10739 mono_error_set_argument_null (&error, "ptr", "");
10741 result = mono_string_new_len_checked (mono_domain_get (), ptr, len, &error);
10742 mono_error_set_pending_exception (&error);
10747 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringUni (guint16 *ptr)
10750 MonoString *res = NULL;
10751 MonoDomain *domain = mono_domain_get ();
10761 res = mono_string_new_utf16_checked (domain, ptr, len, &error);
10762 if (!mono_error_ok (&error)) {
10763 mono_error_set_pending_exception (&error);
10770 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringUni_len (guint16 *ptr, gint32 len)
10773 MonoString *res = NULL;
10774 MonoDomain *domain = mono_domain_get ();
10776 mono_error_init (&error);
10780 mono_error_set_argument_null (&error, "ptr", "");
10782 res = mono_string_new_utf16_checked (domain, ptr, len, &error);
10785 if (!mono_error_ok (&error))
10786 mono_error_set_pending_exception (&error);
10791 ves_icall_System_Runtime_InteropServices_Marshal_GetLastWin32Error (void)
10793 return (GPOINTER_TO_INT (mono_native_tls_get_value (last_error_tls_id)));
10797 ves_icall_System_Runtime_InteropServices_Marshal_SizeOf (MonoReflectionType *rtype)
10803 MONO_CHECK_ARG_NULL (rtype, 0);
10805 type = rtype->type;
10806 klass = mono_class_from_mono_type (type);
10807 if (!mono_class_init (klass)) {
10808 mono_set_pending_exception (mono_class_get_exception_for_failure (klass));
10812 layout = (mono_class_get_flags (klass) & TYPE_ATTRIBUTE_LAYOUT_MASK);
10814 if (type->type == MONO_TYPE_PTR || type->type == MONO_TYPE_FNPTR) {
10815 return sizeof (gpointer);
10816 } else if (layout == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
10818 MonoException *exc;
10820 msg = g_strdup_printf ("Type %s cannot be marshaled as an unmanaged structure.", klass->name);
10821 exc = mono_get_exception_argument ("t", msg);
10823 mono_set_pending_exception (exc);
10827 return mono_class_native_size (klass, NULL);
10831 ves_icall_System_Runtime_InteropServices_Marshal_StructureToPtr (MonoObject *obj, gpointer dst, MonoBoolean delete_old)
10834 MonoMethod *method;
10837 MONO_CHECK_ARG_NULL (obj,);
10838 MONO_CHECK_ARG_NULL (dst,);
10840 method = mono_marshal_get_struct_to_ptr (obj->vtable->klass);
10844 pa [2] = &delete_old;
10846 mono_runtime_invoke_checked (method, NULL, pa, &error);
10847 if (!mono_error_ok (&error))
10848 mono_error_set_pending_exception (&error);
10852 ptr_to_structure (gpointer src, MonoObject *dst, MonoError *error)
10854 MonoMethod *method;
10857 mono_error_init (error);
10859 method = mono_marshal_get_ptr_to_struct (dst->vtable->klass);
10864 mono_runtime_invoke_checked (method, NULL, pa, error);
10868 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure (gpointer src, MonoObject *dst)
10873 MONO_CHECK_ARG_NULL (src,);
10874 MONO_CHECK_ARG_NULL (dst,);
10876 t = mono_type_get_underlying_type (mono_class_get_type (dst->vtable->klass));
10878 if (t->type == MONO_TYPE_VALUETYPE) {
10879 MonoException *exc;
10882 tmp = g_strdup_printf ("Destination is a boxed value type.");
10883 exc = mono_get_exception_argument ("dst", tmp);
10886 mono_set_pending_exception (exc);
10890 ptr_to_structure (src, dst, &error);
10891 if (!mono_error_ok (&error))
10892 mono_error_set_pending_exception (&error);
10896 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure_type (gpointer src, MonoReflectionType *type)
10900 MonoDomain *domain = mono_domain_get ();
10905 MONO_CHECK_ARG_NULL (type, NULL);
10907 klass = mono_class_from_mono_type (type->type);
10908 if (!mono_class_init (klass)) {
10909 mono_set_pending_exception (mono_class_get_exception_for_failure (klass));
10913 res = mono_object_new_checked (domain, klass, &error);
10914 if (!mono_error_ok (&error)) {
10915 mono_error_set_pending_exception (&error);
10919 ptr_to_structure (src, res, &error);
10920 if (!mono_error_ok (&error)) {
10921 mono_error_set_pending_exception (&error);
10929 ves_icall_System_Runtime_InteropServices_Marshal_OffsetOf (MonoReflectionType *type, MonoString *field_name)
10932 MonoMarshalType *info;
10935 int match_index = -1;
10937 MONO_CHECK_ARG_NULL (type, 0);
10938 MONO_CHECK_ARG_NULL (field_name, 0);
10940 fname = mono_string_to_utf8_checked (field_name, &error);
10941 if (mono_error_set_pending_exception (&error))
10943 klass = mono_class_from_mono_type (type->type);
10944 if (!mono_class_init (klass)) {
10945 mono_set_pending_exception (mono_class_get_exception_for_failure (klass));
10949 while (klass && match_index == -1) {
10950 MonoClassField* field;
10952 gpointer iter = NULL;
10953 while ((field = mono_class_get_fields (klass, &iter))) {
10954 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
10956 if (!strcmp (fname, mono_field_get_name (field))) {
10963 if (match_index == -1)
10964 klass = klass->parent;
10969 if(match_index == -1) {
10970 MonoException* exc;
10973 /* Get back original class instance */
10974 klass = mono_class_from_mono_type (type->type);
10976 tmp = g_strdup_printf ("Field passed in is not a marshaled member of the type %s", klass->name);
10977 exc = mono_get_exception_argument ("fieldName", tmp);
10980 mono_set_pending_exception ((MonoException*)exc);
10984 info = mono_marshal_load_type_info (klass);
10985 return info->fields [match_index].offset;
10990 ves_icall_System_Runtime_InteropServices_Marshal_StringToHGlobalAnsi (MonoString *string)
10993 char *ret = mono_string_to_utf8_checked (string, &error);
10994 mono_error_set_pending_exception (&error);
10999 ves_icall_System_Runtime_InteropServices_Marshal_StringToHGlobalUni (MonoString *string)
11001 if (string == NULL)
11004 gunichar2 *res = (gunichar2 *)g_malloc ((mono_string_length (string) + 1) * 2);
11006 memcpy (res, mono_string_chars (string), mono_string_length (string) * 2);
11007 res [mono_string_length (string)] = 0;
11011 #endif /* !HOST_WIN32 */
11014 mono_struct_delete_old (MonoClass *klass, char *ptr)
11016 MonoMarshalType *info;
11019 info = mono_marshal_load_type_info (klass);
11021 for (i = 0; i < info->num_fields; i++) {
11022 MonoMarshalConv conv;
11023 MonoType *ftype = info->fields [i].field->type;
11026 if (ftype->attrs & FIELD_ATTRIBUTE_STATIC)
11029 mono_type_to_unmanaged (ftype, info->fields [i].mspec, TRUE,
11030 klass->unicode, &conv);
11032 cpos = ptr + info->fields [i].offset;
11035 case MONO_MARSHAL_CONV_NONE:
11036 if (MONO_TYPE_ISSTRUCT (ftype)) {
11037 mono_struct_delete_old (ftype->data.klass, cpos);
11041 case MONO_MARSHAL_CONV_STR_LPWSTR:
11042 /* We assume this field points inside a MonoString */
11044 case MONO_MARSHAL_CONV_STR_LPTSTR:
11045 #ifdef TARGET_WIN32
11046 /* We assume this field points inside a MonoString
11050 case MONO_MARSHAL_CONV_STR_LPSTR:
11051 case MONO_MARSHAL_CONV_STR_BSTR:
11052 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
11053 case MONO_MARSHAL_CONV_STR_TBSTR:
11054 case MONO_MARSHAL_CONV_STR_UTF8STR:
11055 mono_marshal_free (*(gpointer *)cpos);
11065 ves_icall_System_Runtime_InteropServices_Marshal_DestroyStructure (gpointer src, MonoReflectionType *type)
11069 MONO_CHECK_ARG_NULL (src,);
11070 MONO_CHECK_ARG_NULL (type,);
11072 klass = mono_class_from_mono_type (type->type);
11073 if (!mono_class_init (klass)) {
11074 mono_set_pending_exception (mono_class_get_exception_for_failure (klass));
11078 mono_struct_delete_old (klass, (char *)src);
11082 static inline void *
11083 mono_marshal_alloc_hglobal (size_t size)
11085 return g_try_malloc (size);
11090 ves_icall_System_Runtime_InteropServices_Marshal_AllocHGlobal (gpointer size)
11093 size_t s = (size_t)size;
11096 /* This returns a valid pointer for size 0 on MS.NET */
11099 res = mono_marshal_alloc_hglobal (s);
11102 mono_set_pending_exception (mono_domain_get ()->out_of_memory_ex);
11110 static inline gpointer
11111 mono_marshal_realloc_hglobal (gpointer ptr, size_t size)
11113 return g_try_realloc (ptr, size);
11118 ves_icall_System_Runtime_InteropServices_Marshal_ReAllocHGlobal (gpointer ptr, gpointer size)
11121 size_t s = (size_t)size;
11124 mono_set_pending_exception (mono_domain_get ()->out_of_memory_ex);
11128 res = mono_marshal_realloc_hglobal (ptr, s);
11131 mono_set_pending_exception (mono_domain_get ()->out_of_memory_ex);
11140 mono_marshal_free_hglobal (gpointer ptr)
11148 ves_icall_System_Runtime_InteropServices_Marshal_FreeHGlobal (void *ptr)
11150 mono_marshal_free_hglobal (ptr);
11154 ves_icall_System_Runtime_InteropServices_Marshal_AllocCoTaskMem (int size)
11156 void *res = mono_marshal_alloc_co_task_mem (size);
11159 mono_set_pending_exception (mono_domain_get ()->out_of_memory_ex);
11166 ves_icall_System_Runtime_InteropServices_Marshal_AllocCoTaskMemSize (gulong size)
11168 void *res = mono_marshal_alloc_co_task_mem (size);
11171 mono_set_pending_exception (mono_domain_get ()->out_of_memory_ex);
11178 ves_icall_System_Runtime_InteropServices_Marshal_FreeCoTaskMem (void *ptr)
11180 mono_marshal_free_co_task_mem (ptr);
11185 static inline gpointer
11186 mono_marshal_realloc_co_task_mem (gpointer ptr, size_t size)
11188 return g_try_realloc (ptr, (gulong)size);
11193 ves_icall_System_Runtime_InteropServices_Marshal_ReAllocCoTaskMem (gpointer ptr, int size)
11195 void *res = mono_marshal_realloc_co_task_mem (ptr, size);
11198 mono_set_pending_exception (mono_domain_get ()->out_of_memory_ex);
11205 ves_icall_System_Runtime_InteropServices_Marshal_UnsafeAddrOfPinnedArrayElement (MonoArray *arrayobj, int index)
11207 return mono_array_addr_with_size_fast (arrayobj, mono_array_element_size (arrayobj->obj.vtable->klass), index);
11211 ves_icall_System_Runtime_InteropServices_Marshal_GetDelegateForFunctionPointerInternal (void *ftn, MonoReflectionType *type)
11213 MonoClass *klass = mono_type_get_class (type->type);
11214 if (!mono_class_init (klass)) {
11215 mono_set_pending_exception (mono_class_get_exception_for_failure (klass));
11219 return mono_ftnptr_to_delegate (klass, ftn);
11223 ves_icall_System_Runtime_InteropServices_Marshal_GetFunctionPointerForDelegateInternal (MonoDelegate *delegate)
11225 return mono_delegate_to_ftnptr (delegate);
11229 * mono_marshal_is_loading_type_info:
11231 * Return whenever mono_marshal_load_type_info () is being executed for KLASS by this
11235 mono_marshal_is_loading_type_info (MonoClass *klass)
11237 GSList *loads_list = (GSList *)mono_native_tls_get_value (load_type_info_tls_id);
11239 return g_slist_find (loads_list, klass) != NULL;
11243 * mono_marshal_load_type_info:
11245 * Initialize klass::marshal_info using information from metadata. This function can
11246 * recursively call itself, and the caller is responsible to avoid that by calling
11247 * mono_marshal_is_loading_type_info () beforehand.
11249 * LOCKING: Acquires the loader lock.
11252 mono_marshal_load_type_info (MonoClass* klass)
11255 guint32 native_size = 0, min_align = 1, packing;
11256 MonoMarshalType *info;
11257 MonoClassField* field;
11260 GSList *loads_list;
11262 g_assert (klass != NULL);
11264 info = mono_class_get_marshal_info (klass);
11268 if (!klass->inited)
11269 mono_class_init (klass);
11271 info = mono_class_get_marshal_info (klass);
11276 * This function can recursively call itself, so we keep the list of classes which are
11277 * under initialization in a TLS list.
11279 g_assert (!mono_marshal_is_loading_type_info (klass));
11280 loads_list = (GSList *)mono_native_tls_get_value (load_type_info_tls_id);
11281 loads_list = g_slist_prepend (loads_list, klass);
11282 mono_native_tls_set_value (load_type_info_tls_id, loads_list);
11285 while ((field = mono_class_get_fields (klass, &iter))) {
11286 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
11288 if (mono_field_is_deleted (field))
11293 layout = mono_class_get_flags (klass) & TYPE_ATTRIBUTE_LAYOUT_MASK;
11295 /* The mempool is protected by the loader lock */
11296 info = (MonoMarshalType *)mono_image_alloc0 (klass->image, MONO_SIZEOF_MARSHAL_TYPE + sizeof (MonoMarshalField) * count);
11297 info->num_fields = count;
11299 /* Try to find a size for this type in metadata */
11300 mono_metadata_packing_from_typedef (klass->image, klass->type_token, NULL, &native_size);
11302 if (klass->parent) {
11303 int parent_size = mono_class_native_size (klass->parent, NULL);
11305 /* Add parent size to real size */
11306 native_size += parent_size;
11307 info->native_size = parent_size;
11310 packing = klass->packing_size ? klass->packing_size : 8;
11313 while ((field = mono_class_get_fields (klass, &iter))) {
11317 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
11320 if (mono_field_is_deleted (field))
11322 if (field->type->attrs & FIELD_ATTRIBUTE_HAS_FIELD_MARSHAL)
11323 mono_metadata_field_info_with_mempool (klass->image, mono_metadata_token_index (mono_class_get_field_token (field)) - 1,
11324 NULL, NULL, &info->fields [j].mspec);
11326 info->fields [j].field = field;
11328 if ((mono_class_num_fields (klass) == 1) && (klass->instance_size == sizeof (MonoObject)) &&
11329 (strcmp (mono_field_get_name (field), "$PRIVATE$") == 0)) {
11330 /* This field is a hack inserted by MCS to empty structures */
11335 case TYPE_ATTRIBUTE_AUTO_LAYOUT:
11336 case TYPE_ATTRIBUTE_SEQUENTIAL_LAYOUT:
11337 size = mono_marshal_type_size (field->type, info->fields [j].mspec,
11338 &align, TRUE, klass->unicode);
11339 align = klass->packing_size ? MIN (klass->packing_size, align): align;
11340 min_align = MAX (align, min_align);
11341 info->fields [j].offset = info->native_size;
11342 info->fields [j].offset += align - 1;
11343 info->fields [j].offset &= ~(align - 1);
11344 info->native_size = info->fields [j].offset + size;
11346 case TYPE_ATTRIBUTE_EXPLICIT_LAYOUT:
11347 size = mono_marshal_type_size (field->type, info->fields [j].mspec,
11348 &align, TRUE, klass->unicode);
11349 min_align = MAX (align, min_align);
11350 info->fields [j].offset = field->offset - sizeof (MonoObject);
11351 info->native_size = MAX (info->native_size, info->fields [j].offset + size);
11357 if (klass->byval_arg.type == MONO_TYPE_PTR)
11358 info->native_size = sizeof (gpointer);
11360 if (layout != TYPE_ATTRIBUTE_AUTO_LAYOUT) {
11361 info->native_size = MAX (native_size, info->native_size);
11363 * If the provided Size is equal or larger than the calculated size, and there
11364 * was no Pack attribute, we set min_align to 1 to avoid native_size being increased
11366 if (layout == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) {
11367 if (native_size && native_size == info->native_size && klass->packing_size == 0)
11370 min_align = MIN (min_align, packing);
11374 if (info->native_size & (min_align - 1)) {
11375 info->native_size += min_align - 1;
11376 info->native_size &= ~(min_align - 1);
11379 info->min_align = min_align;
11381 /* Update the class's blittable info, if the layouts don't match */
11382 if (info->native_size != mono_class_value_size (klass, NULL))
11383 klass->blittable = FALSE;
11385 /* If this is an array type, ensure that we have element info */
11386 if (klass->rank && !mono_marshal_is_loading_type_info (klass->element_class)) {
11387 mono_marshal_load_type_info (klass->element_class);
11390 loads_list = (GSList *)mono_native_tls_get_value (load_type_info_tls_id);
11391 loads_list = g_slist_remove (loads_list, klass);
11392 mono_native_tls_set_value (load_type_info_tls_id, loads_list);
11394 mono_marshal_lock ();
11395 MonoMarshalType *info2 = mono_class_get_marshal_info (klass);
11397 /*We do double-checking locking on marshal_info */
11398 mono_memory_barrier ();
11399 mono_class_set_marshal_info (klass, info);
11400 ++class_marshal_info_count;
11403 mono_marshal_unlock ();
11409 * mono_class_native_size:
11412 * Returns: the native size of an object instance (when marshaled
11413 * to unmanaged code)
11416 mono_class_native_size (MonoClass *klass, guint32 *align)
11418 MonoMarshalType *info = mono_class_get_marshal_info (klass);
11420 if (mono_marshal_is_loading_type_info (klass)) {
11425 mono_marshal_load_type_info (klass);
11427 info = mono_class_get_marshal_info (klass);
11431 *align = info->min_align;
11433 return info->native_size;
11437 * mono_type_native_stack_size:
11438 * @t: the type to return the size it uses on the stack
11440 * Returns: the number of bytes required to hold an instance of this
11441 * type on the native stack
11444 mono_type_native_stack_size (MonoType *t, guint32 *align)
11448 g_assert (t != NULL);
11454 *align = sizeof (gpointer);
11455 return sizeof (gpointer);
11459 case MONO_TYPE_BOOLEAN:
11460 case MONO_TYPE_CHAR:
11471 case MONO_TYPE_STRING:
11472 case MONO_TYPE_OBJECT:
11473 case MONO_TYPE_CLASS:
11474 case MONO_TYPE_SZARRAY:
11475 case MONO_TYPE_PTR:
11476 case MONO_TYPE_FNPTR:
11477 case MONO_TYPE_ARRAY:
11478 *align = sizeof (gpointer);
11479 return sizeof (gpointer);
11484 *align = MONO_ABI_ALIGNOF (double);
11488 *align = MONO_ABI_ALIGNOF (gint64);
11490 case MONO_TYPE_GENERICINST:
11491 if (!mono_type_generic_inst_is_valuetype (t)) {
11492 *align = sizeof (gpointer);
11493 return sizeof (gpointer);
11496 case MONO_TYPE_TYPEDBYREF:
11497 case MONO_TYPE_VALUETYPE: {
11499 MonoClass *klass = mono_class_from_mono_type (t);
11501 if (klass->enumtype)
11502 return mono_type_native_stack_size (mono_class_enum_basetype (klass), align);
11504 size = mono_class_native_size (klass, align);
11505 *align = *align + 3;
11515 g_error ("type 0x%02x unknown", t->type);
11521 mono_marshal_type_size (MonoType *type, MonoMarshalSpec *mspec, guint32 *align,
11522 gboolean as_field, gboolean unicode)
11524 MonoMarshalNative native_type = mono_type_to_unmanaged (type, mspec, as_field, unicode, NULL);
11527 switch (native_type) {
11528 case MONO_NATIVE_BOOLEAN:
11531 case MONO_NATIVE_I1:
11532 case MONO_NATIVE_U1:
11535 case MONO_NATIVE_I2:
11536 case MONO_NATIVE_U2:
11537 case MONO_NATIVE_VARIANTBOOL:
11540 case MONO_NATIVE_I4:
11541 case MONO_NATIVE_U4:
11542 case MONO_NATIVE_ERROR:
11545 case MONO_NATIVE_I8:
11546 case MONO_NATIVE_U8:
11547 *align = MONO_ABI_ALIGNOF (gint64);
11549 case MONO_NATIVE_R4:
11552 case MONO_NATIVE_R8:
11553 *align = MONO_ABI_ALIGNOF (double);
11555 case MONO_NATIVE_INT:
11556 case MONO_NATIVE_UINT:
11557 case MONO_NATIVE_LPSTR:
11558 case MONO_NATIVE_LPWSTR:
11559 case MONO_NATIVE_LPTSTR:
11560 case MONO_NATIVE_BSTR:
11561 case MONO_NATIVE_ANSIBSTR:
11562 case MONO_NATIVE_TBSTR:
11563 case MONO_NATIVE_UTF8STR:
11564 case MONO_NATIVE_LPARRAY:
11565 case MONO_NATIVE_SAFEARRAY:
11566 case MONO_NATIVE_IUNKNOWN:
11567 case MONO_NATIVE_IDISPATCH:
11568 case MONO_NATIVE_INTERFACE:
11569 case MONO_NATIVE_ASANY:
11570 case MONO_NATIVE_FUNC:
11571 case MONO_NATIVE_LPSTRUCT:
11572 *align = MONO_ABI_ALIGNOF (gpointer);
11573 return sizeof (gpointer);
11574 case MONO_NATIVE_STRUCT:
11575 klass = mono_class_from_mono_type (type);
11576 if (klass == mono_defaults.object_class &&
11577 (mspec && mspec->native == MONO_NATIVE_STRUCT)) {
11581 return mono_class_native_size (klass, align);
11582 case MONO_NATIVE_BYVALTSTR: {
11583 int esize = unicode ? 2: 1;
11586 return mspec->data.array_data.num_elem * esize;
11588 case MONO_NATIVE_BYVALARRAY: {
11589 // FIXME: Have to consider ArraySubType
11591 klass = mono_class_from_mono_type (type);
11592 if (klass->element_class == mono_defaults.char_class) {
11593 esize = unicode ? 2 : 1;
11596 esize = mono_class_native_size (klass->element_class, align);
11599 return mspec->data.array_data.num_elem * esize;
11601 case MONO_NATIVE_CUSTOM:
11602 *align = sizeof (gpointer);
11603 return sizeof (gpointer);
11605 case MONO_NATIVE_CURRENCY:
11606 case MONO_NATIVE_VBBYREFSTR:
11608 g_error ("native type %02x not implemented", native_type);
11611 g_assert_not_reached ();
11615 /* This is a JIT icall, it sets the pending exception and return NULL on error */
11617 mono_marshal_asany (MonoObject *o, MonoMarshalNative string_encoding, int param_attrs)
11626 t = &o->vtable->klass->byval_arg;
11630 case MONO_TYPE_PTR:
11633 case MONO_TYPE_BOOLEAN:
11636 case MONO_TYPE_CHAR:
11641 return mono_object_unbox (o);
11643 case MONO_TYPE_STRING:
11644 switch (string_encoding) {
11645 case MONO_NATIVE_LPWSTR:
11646 return mono_marshal_string_to_utf16_copy ((MonoString*)o);
11647 case MONO_NATIVE_LPSTR:
11648 case MONO_NATIVE_UTF8STR:
11649 // Same code path, because in Mono, we treated strings as Utf8
11650 return mono_string_to_utf8str ((MonoString*)o);
11652 g_warning ("marshaling conversion %d not implemented", string_encoding);
11653 g_assert_not_reached ();
11656 case MONO_TYPE_CLASS:
11657 case MONO_TYPE_VALUETYPE: {
11658 MonoMethod *method;
11661 MonoBoolean delete_old = FALSE;
11663 klass = t->data.klass;
11665 if (mono_class_is_auto_layout (klass))
11668 if (klass->valuetype && (mono_class_is_explicit_layout (klass) || klass->blittable || klass->enumtype))
11669 return mono_object_unbox (o);
11671 res = mono_marshal_alloc (mono_class_native_size (klass, NULL), &error);
11672 if (!mono_error_ok (&error)) {
11673 mono_error_set_pending_exception (&error);
11677 if (!((param_attrs & PARAM_ATTRIBUTE_OUT) && !(param_attrs & PARAM_ATTRIBUTE_IN))) {
11678 method = mono_marshal_get_struct_to_ptr (o->vtable->klass);
11682 pa [2] = &delete_old;
11684 mono_runtime_invoke_checked (method, NULL, pa, &error);
11685 if (!mono_error_ok (&error)) {
11686 mono_error_set_pending_exception (&error);
11696 mono_set_pending_exception (mono_get_exception_argument ("", "No PInvoke conversion exists for value passed to Object-typed parameter."));
11700 /* This is a JIT icall, it sets the pending exception */
11702 mono_marshal_free_asany (MonoObject *o, gpointer ptr, MonoMarshalNative string_encoding, int param_attrs)
11711 t = &o->vtable->klass->byval_arg;
11713 case MONO_TYPE_STRING:
11714 switch (string_encoding) {
11715 case MONO_NATIVE_LPWSTR:
11716 case MONO_NATIVE_LPSTR:
11717 case MONO_NATIVE_UTF8STR:
11718 mono_marshal_free (ptr);
11721 g_warning ("marshaling conversion %d not implemented", string_encoding);
11722 g_assert_not_reached ();
11725 case MONO_TYPE_CLASS:
11726 case MONO_TYPE_VALUETYPE: {
11727 klass = t->data.klass;
11729 if (klass->valuetype && (mono_class_is_explicit_layout (klass) || klass->blittable || klass->enumtype))
11732 if (param_attrs & PARAM_ATTRIBUTE_OUT) {
11733 MonoMethod *method = mono_marshal_get_ptr_to_struct (o->vtable->klass);
11739 mono_runtime_invoke_checked (method, NULL, pa, &error);
11740 if (!mono_error_ok (&error)) {
11741 mono_error_set_pending_exception (&error);
11746 if (!((param_attrs & PARAM_ATTRIBUTE_OUT) && !(param_attrs & PARAM_ATTRIBUTE_IN))) {
11747 mono_struct_delete_old (klass, (char *)ptr);
11750 mono_marshal_free (ptr);
11759 mono_marshal_get_generic_array_helper (MonoClass *klass, MonoClass *iface, gchar *name, MonoMethod *method)
11761 MonoMethodSignature *sig, *csig;
11762 MonoMethodBuilder *mb;
11767 mb = mono_mb_new_no_dup_name (klass, name, MONO_WRAPPER_MANAGED_TO_MANAGED);
11768 mb->method->slot = -1;
11770 mb->method->flags = METHOD_ATTRIBUTE_PRIVATE | METHOD_ATTRIBUTE_VIRTUAL |
11771 METHOD_ATTRIBUTE_NEW_SLOT | METHOD_ATTRIBUTE_HIDE_BY_SIG | METHOD_ATTRIBUTE_FINAL;
11773 sig = mono_method_signature (method);
11774 csig = mono_metadata_signature_dup_full (method->klass->image, sig);
11775 csig->generic_param_count = 0;
11777 #ifndef DISABLE_JIT
11778 mono_mb_emit_ldarg (mb, 0);
11779 for (i = 0; i < csig->param_count; i++)
11780 mono_mb_emit_ldarg (mb, i + 1);
11781 mono_mb_emit_managed_call (mb, method, NULL);
11782 mono_mb_emit_byte (mb, CEE_RET);
11784 /* We can corlib internal methods */
11785 mb->skip_visibility = TRUE;
11787 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_GENERIC_ARRAY_HELPER);
11788 info->d.generic_array_helper.method = method;
11789 res = mono_mb_create (mb, csig, csig->param_count + 16, info);
11797 * The mono_win32_compat_* functions are implementations of inline
11798 * Windows kernel32 APIs, which are DllImport-able under MS.NET,
11799 * although not exported by kernel32.
11801 * We map the appropiate kernel32 entries to these functions using
11802 * dllmaps declared in the global etc/mono/config.
11806 mono_win32_compat_CopyMemory (gpointer dest, gconstpointer source, gsize length)
11808 if (!dest || !source)
11811 memcpy (dest, source, length);
11815 mono_win32_compat_FillMemory (gpointer dest, gsize length, guchar fill)
11817 memset (dest, fill, length);
11821 mono_win32_compat_MoveMemory (gpointer dest, gconstpointer source, gsize length)
11823 if (!dest || !source)
11826 memmove (dest, source, length);
11830 mono_win32_compat_ZeroMemory (gpointer dest, gsize length)
11832 memset (dest, 0, length);
11836 mono_marshal_find_nonzero_bit_offset (guint8 *buf, int len, int *byte_offset, guint8 *bitmask)
11841 for (i = 0; i < len; ++i)
11845 g_assert (i < len);
11848 while (byte && !(byte & 1))
11850 g_assert (byte == 1);
11853 *bitmask = buf [i];
11857 mono_marshal_get_thunk_invoke_wrapper (MonoMethod *method)
11859 MonoMethodBuilder *mb;
11860 MonoMethodSignature *sig, *csig;
11861 MonoExceptionClause *clause;
11866 int i, param_count, sig_size, pos_leave;
11870 // FIXME: we need to store the exception into a MonoHandle
11871 g_assert (!mono_threads_is_coop_enabled ());
11873 klass = method->klass;
11874 image = method->klass->image;
11876 cache = get_cache (&mono_method_get_wrapper_cache (method)->thunk_invoke_cache, mono_aligned_addr_hash, NULL);
11878 if ((res = mono_marshal_find_in_cache (cache, method)))
11881 sig = mono_method_signature (method);
11882 mb = mono_mb_new (klass, method->name, MONO_WRAPPER_NATIVE_TO_MANAGED);
11884 /* add "this" and exception param */
11885 param_count = sig->param_count + sig->hasthis + 1;
11887 /* dup & extend signature */
11888 csig = mono_metadata_signature_alloc (image, param_count);
11889 sig_size = MONO_SIZEOF_METHOD_SIGNATURE + sig->param_count * sizeof (MonoType *);
11890 memcpy (csig, sig, sig_size);
11891 csig->param_count = param_count;
11894 csig->call_convention = MONO_CALL_DEFAULT;
11896 if (sig->hasthis) {
11898 csig->params [0] = &klass->byval_arg;
11899 /* move params up by one */
11900 for (i = 0; i < sig->param_count; i++)
11901 csig->params [i + 1] = sig->params [i];
11904 /* setup exception param as byref+[out] */
11905 csig->params [param_count - 1] = mono_metadata_type_dup (image,
11906 &mono_defaults.exception_class->byval_arg);
11907 csig->params [param_count - 1]->byref = 1;
11908 csig->params [param_count - 1]->attrs = PARAM_ATTRIBUTE_OUT;
11910 /* convert struct return to object */
11911 if (MONO_TYPE_ISSTRUCT (sig->ret))
11912 csig->ret = &mono_defaults.object_class->byval_arg;
11914 #ifndef DISABLE_JIT
11915 /* local 0 (temp for exception object) */
11916 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
11918 /* local 1 (temp for result) */
11919 if (!MONO_TYPE_IS_VOID (sig->ret))
11920 mono_mb_add_local (mb, sig->ret);
11922 /* clear exception arg */
11923 mono_mb_emit_ldarg (mb, param_count - 1);
11924 mono_mb_emit_byte (mb, CEE_LDNULL);
11925 mono_mb_emit_byte (mb, CEE_STIND_REF);
11928 clause = (MonoExceptionClause *)mono_image_alloc0 (image, sizeof (MonoExceptionClause));
11929 clause->try_offset = mono_mb_get_label (mb);
11931 /* push method's args */
11932 for (i = 0; i < param_count - 1; i++) {
11936 mono_mb_emit_ldarg (mb, i);
11938 /* get the byval type of the param */
11939 klass = mono_class_from_mono_type (csig->params [i]);
11940 type = &klass->byval_arg;
11942 /* unbox struct args */
11943 if (MONO_TYPE_ISSTRUCT (type)) {
11944 mono_mb_emit_op (mb, CEE_UNBOX, klass);
11946 /* byref args & and the "this" arg must remain a ptr.
11947 Otherwise make a copy of the value type */
11948 if (!(csig->params [i]->byref || (i == 0 && sig->hasthis)))
11949 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
11951 csig->params [i] = &mono_defaults.object_class->byval_arg;
11956 if (method->flags & METHOD_ATTRIBUTE_VIRTUAL)
11957 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
11959 mono_mb_emit_op (mb, CEE_CALL, method);
11961 /* save result at local 1 */
11962 if (!MONO_TYPE_IS_VOID (sig->ret))
11963 mono_mb_emit_stloc (mb, 1);
11965 pos_leave = mono_mb_emit_branch (mb, CEE_LEAVE);
11968 clause->flags = MONO_EXCEPTION_CLAUSE_NONE;
11969 clause->try_len = mono_mb_get_pos (mb) - clause->try_offset;
11970 clause->data.catch_class = mono_defaults.object_class;
11972 clause->handler_offset = mono_mb_get_label (mb);
11974 /* store exception at local 0 */
11975 mono_mb_emit_stloc (mb, 0);
11976 mono_mb_emit_ldarg (mb, param_count - 1);
11977 mono_mb_emit_ldloc (mb, 0);
11978 mono_mb_emit_byte (mb, CEE_STIND_REF);
11979 mono_mb_emit_branch (mb, CEE_LEAVE);
11981 clause->handler_len = mono_mb_get_pos (mb) - clause->handler_offset;
11983 mono_mb_set_clauses (mb, 1, clause);
11985 mono_mb_patch_branch (mb, pos_leave);
11988 if (!MONO_TYPE_IS_VOID (sig->ret)) {
11989 mono_mb_emit_ldloc (mb, 1);
11991 /* box the return value */
11992 if (MONO_TYPE_ISSTRUCT (sig->ret))
11993 mono_mb_emit_op (mb, CEE_BOX, mono_class_from_mono_type (sig->ret));
11996 mono_mb_emit_byte (mb, CEE_RET);
11999 res = mono_mb_create_and_cache (cache, method, mb, csig, param_count + 16);
12006 * mono_marshal_free_dynamic_wrappers:
12008 * Free wrappers of the dynamic method METHOD.
12011 mono_marshal_free_dynamic_wrappers (MonoMethod *method)
12013 MonoImage *image = method->klass->image;
12015 g_assert (method_is_dynamic (method));
12017 /* This could be called during shutdown */
12018 if (marshal_mutex_initialized)
12019 mono_marshal_lock ();
12021 * FIXME: We currently leak the wrappers. Freeing them would be tricky as
12022 * they could be shared with other methods ?
12024 if (image->wrapper_caches.runtime_invoke_direct_cache)
12025 g_hash_table_remove (image->wrapper_caches.runtime_invoke_direct_cache, method);
12026 if (image->wrapper_caches.delegate_abstract_invoke_cache)
12027 g_hash_table_foreach_remove (image->wrapper_caches.delegate_abstract_invoke_cache, signature_pointer_pair_matches_pointer, method);
12028 // FIXME: Need to clear the caches in other images as well
12029 if (image->delegate_bound_static_invoke_cache)
12030 g_hash_table_remove (image->delegate_bound_static_invoke_cache, mono_method_signature (method));
12032 if (marshal_mutex_initialized)
12033 mono_marshal_unlock ();
12037 mono_marshal_ftnptr_eh_callback (guint32 gchandle)
12039 g_assert (ftnptr_eh_callback);
12040 ftnptr_eh_callback (gchandle);
12044 ftnptr_eh_callback_default (guint32 gchandle)
12046 MonoException *exc;
12047 gpointer stackdata;
12049 mono_threads_enter_gc_unsafe_region_unbalanced (&stackdata);
12051 exc = (MonoException*) mono_gchandle_get_target (gchandle);
12053 mono_gchandle_free (gchandle);
12055 mono_raise_exception (exc);
12059 * mono_install_ftnptr_eh_callback:
12061 * Install a callback that should be called when there is a managed exception
12062 * in a native-to-managed wrapper. This is mainly used by iOS to convert a
12063 * managed exception to a native exception, to properly unwind the native
12064 * stack; this native exception will then be converted back to a managed
12065 * exception in their managed-to-native wrapper.
12068 mono_install_ftnptr_eh_callback (MonoFtnPtrEHCallback callback)
12070 ftnptr_eh_callback = callback;
12073 static MonoThreadInfo*
12074 mono_icall_start (HandleStackMark *stackmark, MonoError *error)
12076 MonoThreadInfo *info = mono_thread_info_current ();
12078 mono_stack_mark_init (info, stackmark);
12079 mono_error_init (error);
12084 mono_icall_end (MonoThreadInfo *info, HandleStackMark *stackmark, MonoError *error)
12086 mono_stack_mark_pop (info, stackmark);
12087 mono_error_set_pending_exception (error);