1 /**
2  * \file
3  * Routines for marshaling complex types in P/Invoke methods.
4  *
5  * Author:
6  *   Paolo Molaro (lupus@ximian.com)
7  *
8  * (C) 2002 Ximian, Inc.  http://www.ximian.com
9  *
10  */
11 
12 #ifndef __MONO_MARSHAL_H__
13 #define __MONO_MARSHAL_H__
14 
15 #include <mono/metadata/class.h>
16 #include <mono/metadata/object-internals.h>
17 #include <mono/metadata/class-internals.h>
18 #include <mono/metadata/opcodes.h>
19 #include <mono/metadata/reflection.h>
20 #include <mono/metadata/method-builder.h>
21 #include <mono/metadata/remoting.h>
22 #include <mono/utils/mono-error.h>
23 
24 #define mono_marshal_find_bitfield_offset(type, elem, byte_offset, bitmask) \
25 	do { \
26 		type tmp; \
27 		memset (&tmp, 0, sizeof (tmp)); \
28 		tmp.elem = 1; \
29 		mono_marshal_find_nonzero_bit_offset ((guint8*)&tmp, sizeof (tmp), (byte_offset), (bitmask)); \
30 	} while (0)
31 
32 /*
33  * This structure holds the state kept by the emit_ marshalling functions.
34  * This is exported so it can be used by cominterop.c.
35  */
36 typedef struct {
37 	MonoMethodBuilder *mb;
38 	MonoMethodSignature *sig;
39 	MonoMethodPInvoke *piinfo;
40 	int *orig_conv_args; /* Locals containing the original values of byref args */
41 	int retobj_var;
42 	int vtaddr_var;
43 	MonoClass *retobj_class;
44 	MonoMethodSignature *csig; /* Might need to be changed due to MarshalAs directives */
45 	MonoImage *image; /* The image to use for looking up custom marshallers */
46 } EmitMarshalContext;
47 
48 typedef enum {
49 	/*
50 	 * This is invoked to convert arguments from the current types to
51 	 * the underlying types expected by the platform routine.  If required,
52 	 * the methods create a temporary variable with the proper type, and return
53 	 * the location for it (either the passed argument, or the newly allocated
54 	 * local slot).
55 	 */
56 	MARSHAL_ACTION_CONV_IN,
57 
58 	/*
59 	 * This operation is called to push the actual value that was optionally
60 	 * converted on the first stage
61 	 */
62 	MARSHAL_ACTION_PUSH,
63 
64 	/*
65 	 * Convert byref arguments back or free resources allocated during the
66 	 * CONV_IN stage
67 	 */
68 	MARSHAL_ACTION_CONV_OUT,
69 
70 	/*
71 	 * The result from the unmanaged call is at the top of the stack when
72 	 * this action is invoked.    The result should be stored in the
73 	 * third local variable slot.
74 	 */
75 	MARSHAL_ACTION_CONV_RESULT,
76 
77 	MARSHAL_ACTION_MANAGED_CONV_IN,
78 	MARSHAL_ACTION_MANAGED_CONV_OUT,
79 	MARSHAL_ACTION_MANAGED_CONV_RESULT
80 } MarshalAction;
81 
82 /*
83  * This is an extension of the MONO_WRAPPER_ enum to avoid adding more elements to that
84  * enum.
85  */
86 typedef enum {
87 	WRAPPER_SUBTYPE_NONE,
88 	/* Subtypes of MONO_WRAPPER_MANAGED_TO_MANAGED */
89 	WRAPPER_SUBTYPE_ELEMENT_ADDR,
90 	WRAPPER_SUBTYPE_STRING_CTOR,
91 	/* Subtypes of MONO_WRAPPER_STELEMREF */
92 	WRAPPER_SUBTYPE_VIRTUAL_STELEMREF,
93 	/* Subtypes of MONO_WRAPPER_UNKNOWN */
94 	WRAPPER_SUBTYPE_FAST_MONITOR_ENTER,
95 	WRAPPER_SUBTYPE_FAST_MONITOR_ENTER_V4,
96 	WRAPPER_SUBTYPE_FAST_MONITOR_EXIT,
97 	WRAPPER_SUBTYPE_PTR_TO_STRUCTURE,
98 	WRAPPER_SUBTYPE_STRUCTURE_TO_PTR,
99 	/* Subtypes of MONO_WRAPPER_CASTCLASS */
100 	WRAPPER_SUBTYPE_CASTCLASS_WITH_CACHE,
101 	WRAPPER_SUBTYPE_ISINST_WITH_CACHE,
102 	/* Subtypes of MONO_WRAPPER_RUNTIME_INVOKE */
103 	WRAPPER_SUBTYPE_RUNTIME_INVOKE_NORMAL,
104 	WRAPPER_SUBTYPE_RUNTIME_INVOKE_DYNAMIC,
105 	WRAPPER_SUBTYPE_RUNTIME_INVOKE_DIRECT,
106 	WRAPPER_SUBTYPE_RUNTIME_INVOKE_VIRTUAL,
107 	/* Subtypes of MONO_WRAPPER_MANAGED_TO_NATIVE */
108 	WRAPPER_SUBTYPE_ICALL_WRAPPER,
109 	WRAPPER_SUBTYPE_NATIVE_FUNC_AOT,
110 	WRAPPER_SUBTYPE_PINVOKE,
111 	/* Subtypes of MONO_WRAPPER_UNKNOWN */
112 	WRAPPER_SUBTYPE_SYNCHRONIZED_INNER,
113 	WRAPPER_SUBTYPE_GSHAREDVT_IN,
114 	WRAPPER_SUBTYPE_GSHAREDVT_OUT,
115 	WRAPPER_SUBTYPE_ARRAY_ACCESSOR,
116 	/* Subtypes of MONO_WRAPPER_MANAGED_TO_MANAGED */
117 	WRAPPER_SUBTYPE_GENERIC_ARRAY_HELPER,
118 	/* Subtypes of MONO_WRAPPER_DELEGATE_INVOKE */
119 	WRAPPER_SUBTYPE_DELEGATE_INVOKE_VIRTUAL,
120 	WRAPPER_SUBTYPE_DELEGATE_INVOKE_BOUND,
121 	/* Subtypes of MONO_WRAPPER_UNKNOWN */
122 	WRAPPER_SUBTYPE_GSHAREDVT_IN_SIG,
123 	WRAPPER_SUBTYPE_GSHAREDVT_OUT_SIG,
124 	WRAPPER_SUBTYPE_INTERP_IN
125 } WrapperSubtype;
126 
127 typedef struct {
128 	MonoMethod *method;
129 	MonoClass *klass;
130 } NativeToManagedWrapperInfo;
131 
132 typedef struct {
133 	MonoMethod *method;
134 } StringCtorWrapperInfo;
135 
136 typedef struct {
137 	int kind;
138 } VirtualStelemrefWrapperInfo;
139 
140 typedef struct {
141 	guint32 rank, elem_size;
142 } ElementAddrWrapperInfo;
143 
144 typedef struct {
145 	MonoMethod *method;
146 	/* For WRAPPER_SUBTYPE_RUNTIME_INVOKE_NORMAL */
147 	MonoMethodSignature *sig;
148 } RuntimeInvokeWrapperInfo;
149 
150 typedef struct {
151 	MonoMethod *method;
152 } ManagedToNativeWrapperInfo;
153 
154 typedef struct {
155 	MonoMethod *method;
156 } SynchronizedWrapperInfo;
157 
158 typedef struct {
159 	MonoMethod *method;
160 } SynchronizedInnerWrapperInfo;
161 
162 typedef struct {
163 	MonoMethod *method;
164 } GenericArrayHelperWrapperInfo;
165 
166 typedef struct {
167 	gpointer func;
168 } ICallWrapperInfo;
169 
170 typedef struct {
171 	MonoMethod *method;
172 } ArrayAccessorWrapperInfo;
173 
174 typedef struct {
175 	MonoClass *klass;
176 } ProxyWrapperInfo;
177 
178 typedef struct {
179 	const char *gc_name;
180 	int alloc_type;
181 } AllocatorWrapperInfo;
182 
183 typedef struct {
184 	MonoMethod *method;
185 } UnboxWrapperInfo;
186 
187 typedef struct {
188 	MonoMethod *method;
189 } RemotingWrapperInfo;
190 
191 typedef struct {
192 	MonoMethodSignature *sig;
193 } GsharedvtWrapperInfo;
194 
195 typedef struct {
196 	MonoMethod *method;
197 } DelegateInvokeWrapperInfo;
198 
199 typedef struct {
200 	MonoMethodSignature *sig;
201 } InterpInWrapperInfo;
202 
203 /*
204  * This structure contains additional information to uniquely identify a given wrapper
205  * method. It can be retrieved by mono_marshal_get_wrapper_info () for certain types
206  * of wrappers, i.e. ones which do not have a 1-1 association with a method/class.
207  */
208 typedef struct {
209 	WrapperSubtype subtype;
210 	union {
211 		/* RUNTIME_INVOKE_... */
212 		RuntimeInvokeWrapperInfo runtime_invoke;
213 		/* STRING_CTOR */
214 		StringCtorWrapperInfo string_ctor;
215 		/* ELEMENT_ADDR */
216 		ElementAddrWrapperInfo element_addr;
217 		/* VIRTUAL_STELEMREF */
218 		VirtualStelemrefWrapperInfo virtual_stelemref;
219 		/* MONO_WRAPPER_NATIVE_TO_MANAGED */
220 		NativeToManagedWrapperInfo native_to_managed;
221 		/* MONO_WRAPPER_MANAGED_TO_NATIVE */
222 		ManagedToNativeWrapperInfo managed_to_native;
223 		/* SYNCHRONIZED */
224 		SynchronizedWrapperInfo synchronized;
225 		/* SYNCHRONIZED_INNER */
226 		SynchronizedInnerWrapperInfo synchronized_inner;
227 		/* GENERIC_ARRAY_HELPER */
228 		GenericArrayHelperWrapperInfo generic_array_helper;
229 		/* ICALL_WRAPPER */
230 		ICallWrapperInfo icall;
231 		/* ARRAY_ACCESSOR */
232 		ArrayAccessorWrapperInfo array_accessor;
233 		/* PROXY_ISINST etc. */
234 		ProxyWrapperInfo proxy;
235 		/* ALLOC */
236 		AllocatorWrapperInfo alloc;
237 		/* UNBOX */
238 		UnboxWrapperInfo unbox;
239 		/* MONO_WRAPPER_REMOTING_INVOKE/MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK/MONO_WRAPPER_XDOMAIN_INVOKE */
240 		RemotingWrapperInfo remoting;
241 		/* GSHAREDVT_IN_SIG/GSHAREDVT_OUT_SIG */
242 		GsharedvtWrapperInfo gsharedvt;
243 		/* DELEGATE_INVOKE */
244 		DelegateInvokeWrapperInfo delegate_invoke;
245 		/* INTERP_IN */
246 		InterpInWrapperInfo interp_in;
247 	} d;
248 } WrapperInfo;
249 
250 G_BEGIN_DECLS
251 
252 /*type of the function pointer of methods returned by mono_marshal_get_runtime_invoke*/
253 typedef MonoObject *(*RuntimeInvokeFunction) (MonoObject *this_obj, void **params, MonoObject **exc, void* compiled_method);
254 
255 typedef void (*RuntimeInvokeDynamicFunction) (void *args, MonoObject **exc, void* compiled_method);
256 
257 /* marshaling helper functions */
258 
259 void
260 mono_marshal_init (void);
261 
262 void
263 mono_marshal_init_tls (void);
264 
265 void
266 mono_marshal_cleanup (void);
267 
268 gint32
269 mono_class_native_size (MonoClass *klass, guint32 *align);
270 
271 MonoMarshalType *
272 mono_marshal_load_type_info (MonoClass* klass);
273 
274 gint32
275 mono_marshal_type_size (MonoType *type, MonoMarshalSpec *mspec, guint32 *align,
276 			gboolean as_field, gboolean unicode);
277 
278 int
279 mono_type_native_stack_size (MonoType *type, guint32 *alignment);
280 
281 gpointer
282 mono_string_to_ansibstr (MonoString *string_obj);
283 
284 gpointer
285 mono_ptr_to_bstr (gpointer ptr, int slen);
286 
287 gpointer
288 mono_string_to_bstr(MonoString* str);
289 
290 void mono_delegate_free_ftnptr (MonoDelegate *delegate);
291 
292 void
293 mono_marshal_set_last_error (void);
294 
295 guint
296 mono_type_to_ldind (MonoType *type);
297 
298 guint
299 mono_type_to_stind (MonoType *type);
300 
301 /* functions to create various architecture independent helper functions */
302 
303 MonoMethod *
304 mono_marshal_method_from_wrapper (MonoMethod *wrapper);
305 
306 WrapperInfo*
307 mono_wrapper_info_create (MonoMethodBuilder *mb, WrapperSubtype subtype);
308 
309 void
310 mono_marshal_set_wrapper_info (MonoMethod *method, WrapperInfo *info);
311 
312 WrapperInfo*
313 mono_marshal_get_wrapper_info (MonoMethod *wrapper);
314 
315 MonoMethod *
316 mono_marshal_get_delegate_begin_invoke (MonoMethod *method);
317 
318 MonoMethod *
319 mono_marshal_get_delegate_end_invoke (MonoMethod *method);
320 
321 MonoMethod *
322 mono_marshal_get_delegate_invoke (MonoMethod *method, MonoDelegate *del);
323 
324 MonoMethod *
325 mono_marshal_get_delegate_invoke_internal (MonoMethod *method, gboolean callvirt, gboolean static_method_with_first_arg_bound, MonoMethod *target_method);
326 
327 MonoMethod *
328 mono_marshal_get_runtime_invoke_full (MonoMethod *method, gboolean virtual_, gboolean need_direct_wrapper);
329 
330 MonoMethod *
331 mono_marshal_get_runtime_invoke (MonoMethod *method, gboolean is_virtual);
332 
333 MonoMethod*
334 mono_marshal_get_runtime_invoke_dynamic (void);
335 
336 MonoMethod *
337 mono_marshal_get_runtime_invoke_for_sig (MonoMethodSignature *sig);
338 
339 MonoMethodSignature*
340 mono_marshal_get_string_ctor_signature (MonoMethod *method);
341 
342 MonoMethod *
343 mono_marshal_get_managed_wrapper (MonoMethod *method, MonoClass *delegate_klass, uint32_t this_loc, MonoError *exernal_error);
344 
345 gpointer
346 mono_marshal_get_vtfixup_ftnptr (MonoImage *image, guint32 token, guint16 type);
347 
348 MonoMethod *
349 mono_marshal_get_icall_wrapper (MonoMethodSignature *sig, const char *name, gconstpointer func, gboolean check_exceptions);
350 
351 MonoMethod *
352 mono_marshal_get_native_wrapper (MonoMethod *method, gboolean check_exceptions, gboolean aot);
353 
354 MonoMethod *
355 mono_marshal_get_native_func_wrapper (MonoImage *image, MonoMethodSignature *sig, MonoMethodPInvoke *piinfo, MonoMarshalSpec **mspecs, gpointer func);
356 
357 MonoMethod*
358 mono_marshal_get_native_func_wrapper_aot (MonoClass *klass);
359 
360 MonoMethod *
361 mono_marshal_get_struct_to_ptr (MonoClass *klass);
362 
363 MonoMethod *
364 mono_marshal_get_ptr_to_struct (MonoClass *klass);
365 
366 MonoMethod *
367 mono_marshal_get_synchronized_wrapper (MonoMethod *method);
368 
369 MonoMethod *
370 mono_marshal_get_synchronized_inner_wrapper (MonoMethod *method);
371 
372 MonoMethod *
373 mono_marshal_get_unbox_wrapper (MonoMethod *method);
374 
375 MonoMethod *
376 mono_marshal_get_castclass_with_cache (void);
377 
378 MonoMethod *
379 mono_marshal_get_isinst_with_cache (void);
380 
381 MonoMethod *
382 mono_marshal_get_stelemref (void);
383 
384 MonoMethod*
385 mono_marshal_get_virtual_stelemref (MonoClass *array_class);
386 
387 MonoMethod**
388 mono_marshal_get_virtual_stelemref_wrappers (int *nwrappers);
389 
390 MonoMethod*
391 mono_marshal_get_array_address (int rank, int elem_size);
392 
393 MonoMethod *
394 mono_marshal_get_array_accessor_wrapper (MonoMethod *method);
395 
396 MonoMethod *
397 mono_marshal_get_generic_array_helper (MonoClass *klass, gchar *name, MonoMethod *method);
398 
399 MonoMethod *
400 mono_marshal_get_thunk_invoke_wrapper (MonoMethod *method);
401 
402 MonoMethod*
403 mono_marshal_get_gsharedvt_in_wrapper (void);
404 
405 MonoMethod*
406 mono_marshal_get_gsharedvt_out_wrapper (void);
407 
408 void
409 mono_marshal_free_dynamic_wrappers (MonoMethod *method);
410 
411 void
412 mono_marshal_lock_internal (void);
413 
414 void
415 mono_marshal_unlock_internal (void);
416 
417 /* marshaling internal calls */
418 
419 void *
420 mono_marshal_alloc (gsize size, MonoError *error);
421 
422 void
423 mono_marshal_free (gpointer ptr);
424 
425 void
426 mono_marshal_free_array (gpointer *ptr, int size);
427 
428 gboolean
429 mono_marshal_free_ccw (MonoObject* obj);
430 
431 void
432 cominterop_release_all_rcws (void);
433 
434 void
435 ves_icall_System_Runtime_InteropServices_Marshal_copy_to_unmanaged (MonoArray *src, gint32 start_index,
436 								    gpointer dest, gint32 length);
437 
438 void
439 ves_icall_System_Runtime_InteropServices_Marshal_copy_from_unmanaged (gpointer src, gint32 start_index,
440 								      MonoArray *dest, gint32 length);
441 
442 MonoStringHandle
443 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringAnsi (char *ptr, MonoError *error);
444 
445 MonoString *
446 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringAnsi_len (char *ptr, gint32 len);
447 
448 MonoString *
449 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringUni (guint16 *ptr);
450 
451 MonoString *
452 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringUni_len (guint16 *ptr, gint32 len);
453 
454 MonoString *
455 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringBSTR (gpointer ptr);
456 
457 guint32
458 ves_icall_System_Runtime_InteropServices_Marshal_GetComSlotForMethodInfoInternal (MonoReflectionMethod *m);
459 
460 guint32
461 ves_icall_System_Runtime_InteropServices_Marshal_GetLastWin32Error (void);
462 
463 guint32
464 ves_icall_System_Runtime_InteropServices_Marshal_SizeOf (MonoReflectionTypeHandle rtype, MonoError *error);
465 
466 void
467 ves_icall_System_Runtime_InteropServices_Marshal_StructureToPtr (MonoObject *obj, gpointer dst, MonoBoolean delete_old);
468 
469 void
470 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure (gpointer src, MonoObject *dst);
471 
472 MonoObject *
473 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure_type (gpointer src, MonoReflectionType *type);
474 
475 int
476 ves_icall_System_Runtime_InteropServices_Marshal_OffsetOf (MonoReflectionTypeHandle type, MonoStringHandle field_name, MonoError *error);
477 
478 gpointer
479 ves_icall_System_Runtime_InteropServices_Marshal_StringToBSTR (MonoString *string);
480 
481 gpointer
482 ves_icall_System_Runtime_InteropServices_Marshal_BufferToBSTR (MonoArray *ptr, int len);
483 
484 gpointer
485 ves_icall_System_Runtime_InteropServices_Marshal_StringToHGlobalAnsi (MonoString *string);
486 
487 gpointer
488 ves_icall_System_Runtime_InteropServices_Marshal_StringToHGlobalUni (MonoString *string);
489 
490 void
491 ves_icall_System_Runtime_InteropServices_Marshal_DestroyStructure (gpointer src, MonoReflectionType *type);
492 
493 void*
494 ves_icall_System_Runtime_InteropServices_Marshal_AllocCoTaskMem (int size);
495 
496 void*
497 ves_icall_System_Runtime_InteropServices_Marshal_AllocCoTaskMemSize (gulong size);
498 
499 void
500 ves_icall_System_Runtime_InteropServices_Marshal_FreeCoTaskMem (void *ptr);
501 
502 gpointer
503 ves_icall_System_Runtime_InteropServices_Marshal_ReAllocCoTaskMem (gpointer ptr, int size);
504 
505 void*
506 ves_icall_System_Runtime_InteropServices_Marshal_AllocHGlobal (gpointer size);
507 
508 gpointer
509 ves_icall_System_Runtime_InteropServices_Marshal_ReAllocHGlobal (gpointer ptr, gpointer size);
510 
511 void
512 ves_icall_System_Runtime_InteropServices_Marshal_FreeHGlobal (void *ptr);
513 
514 void
515 ves_icall_System_Runtime_InteropServices_Marshal_FreeBSTR (void *ptr);
516 
517 void*
518 ves_icall_System_Runtime_InteropServices_Marshal_UnsafeAddrOfPinnedArrayElement (MonoArray *arrayobj, int index);
519 
520 MonoDelegateHandle
521 ves_icall_System_Runtime_InteropServices_Marshal_GetDelegateForFunctionPointerInternal (void *ftn, MonoReflectionTypeHandle type, MonoError *error);
522 
523 gpointer
524 ves_icall_System_Runtime_InteropServices_Marshal_GetFunctionPointerForDelegateInternal (MonoDelegateHandle delegate, MonoError *error);
525 
526 int
527 ves_icall_System_Runtime_InteropServices_Marshal_AddRefInternal (gpointer pUnk);
528 
529 int
530 ves_icall_System_Runtime_InteropServices_Marshal_QueryInterfaceInternal (gpointer pUnk, gpointer riid, gpointer* ppv);
531 
532 int
533 ves_icall_System_Runtime_InteropServices_Marshal_ReleaseInternal (gpointer pUnk);
534 
535 void*
536 ves_icall_System_Runtime_InteropServices_Marshal_GetIUnknownForObjectInternal (MonoObject* object);
537 
538 MonoObject*
539 ves_icall_System_Runtime_InteropServices_Marshal_GetObjectForCCW (void* pUnk);
540 
541 void*
542 ves_icall_System_Runtime_InteropServices_Marshal_GetIDispatchForObjectInternal (MonoObject* object);
543 
544 void*
545 ves_icall_System_Runtime_InteropServices_Marshal_GetCCW (MonoObject* object, MonoReflectionType* type);
546 
547 MonoBoolean
548 ves_icall_System_Runtime_InteropServices_Marshal_IsComObject (MonoObject* object);
549 
550 gint32
551 ves_icall_System_Runtime_InteropServices_Marshal_ReleaseComObjectInternal (MonoObject* object);
552 
553 MonoObject *
554 ves_icall_System_ComObject_CreateRCW (MonoReflectionType *type);
555 
556 void
557 ves_icall_System_ComObject_ReleaseInterfaces(MonoComObject* obj);
558 
559 gpointer
560 ves_icall_System_ComObject_GetInterfaceInternal (MonoComObject* obj, MonoReflectionType* type, MonoBoolean throw_exception);
561 
562 void
563 ves_icall_Mono_Interop_ComInteropProxy_AddProxy (gpointer pUnk, MonoComInteropProxy* proxy);
564 
565 MonoComInteropProxy*
566 ves_icall_Mono_Interop_ComInteropProxy_FindProxy (gpointer pUnk);
567 
568 MONO_API void
569 mono_win32_compat_CopyMemory (gpointer dest, gconstpointer source, gsize length);
570 
571 MONO_API void
572 mono_win32_compat_FillMemory (gpointer dest, gsize length, guchar fill);
573 
574 MONO_API void
575 mono_win32_compat_MoveMemory (gpointer dest, gconstpointer source, gsize length);
576 
577 MONO_API void
578 mono_win32_compat_ZeroMemory (gpointer dest, gsize length);
579 
580 void
581 mono_marshal_find_nonzero_bit_offset (guint8 *buf, int len, int *byte_offset, guint8 *bitmask) MONO_LLVM_INTERNAL;
582 
583 MonoMethodSignature*
584 mono_signature_no_pinvoke (MonoMethod *method);
585 
586 /* Called from cominterop.c/remoting.c */
587 
588 void
589 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);
590 
591 void
592 mono_marshal_emit_managed_wrapper (MonoMethodBuilder *mb, MonoMethodSignature *invoke_sig, MonoMarshalSpec **mspecs, EmitMarshalContext* m, MonoMethod *method, uint32_t target_handle);
593 
594 GHashTable*
595 mono_marshal_get_cache (GHashTable **var, GHashFunc hash_func, GCompareFunc equal_func);
596 
597 MonoMethod*
598 mono_marshal_find_in_cache (GHashTable *cache, gpointer key);
599 
600 MonoMethod*
601 mono_mb_create_and_cache (GHashTable *cache, gpointer key,
602 						  MonoMethodBuilder *mb, MonoMethodSignature *sig,
603 						  int max_stack);
604 void
605 mono_marshal_emit_thread_interrupt_checkpoint (MonoMethodBuilder *mb);
606 
607 void
608 mono_marshal_emit_thread_force_interrupt_checkpoint (MonoMethodBuilder *mb);
609 
610 void
611 mono_marshal_use_aot_wrappers (gboolean use);
612 
613 MonoObject *
614 mono_marshal_xdomain_copy_value (MonoObject *val, MonoError *error);
615 
616 MonoObject *
617 ves_icall_mono_marshal_xdomain_copy_value (MonoObject *val);
618 
619 int
620 mono_mb_emit_save_args (MonoMethodBuilder *mb, MonoMethodSignature *sig, gboolean save_this);
621 
622 void
623 mono_mb_emit_restore_result (MonoMethodBuilder *mb, MonoType *return_type);
624 
625 MonoMethod*
626 mono_mb_create (MonoMethodBuilder *mb, MonoMethodSignature *sig,
627 				int max_stack, WrapperInfo *info);
628 
629 MonoMethod*
630 mono_mb_create_and_cache_full (GHashTable *cache, gpointer key,
631 							   MonoMethodBuilder *mb, MonoMethodSignature *sig,
632 							   int max_stack, WrapperInfo *info, gboolean *out_found);
633 
634 typedef void (*MonoFtnPtrEHCallback) (guint32 gchandle);
635 
636 MONO_API void
637 mono_install_ftnptr_eh_callback (MonoFtnPtrEHCallback callback);
638 
639 G_END_DECLS
640 
641 #endif /* __MONO_MARSHAL_H__ */
642 
643 
644