mono/metadata/marshal.h

   1
   2 /*
   3  * marshal.h: 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
  23 #define mono_marshal_find_bitfield_offset(type, elem, byte_offset, bitmask) \
  24         do { \
  25                 type tmp; \
  26                 memset (&tmp, 0, sizeof (tmp)); \
  27                 tmp.elem = 1; \
  28                 mono_marshal_find_nonzero_bit_offset ((guint8*)&tmp, sizeof (tmp), (byte_offset), (bitmask)); \
  29         } while (0)
  30
  31 /*
  32  * This structure holds the state kept by the emit_ marshalling functions.
  33  * This is exported so it can be used by cominterop.c.
  34  */
  35 typedef struct {
  36         MonoMethodBuilder *mb;
  37         MonoMethodSignature *sig;
  38         MonoMethodPInvoke *piinfo;
  39         int *orig_conv_args; /* Locals containing the original values of byref args */
  40         int retobj_var;
  41         MonoClass *retobj_class;
  42         MonoMethodSignature *csig; /* Might need to be changed due to MarshalAs directives */
  43         MonoImage *image; /* The image to use for looking up custom marshallers */
  44 } EmitMarshalContext;
  45
  46 typedef enum {
  47         /*
  48          * This is invoked to convert arguments from the current types to
  49          * the underlying types expected by the platform routine.  If required,
  50          * the methods create a temporary variable with the proper type, and return
  51          * the location for it (either the passed argument, or the newly allocated
  52          * local slot).
  53          */
  54         MARSHAL_ACTION_CONV_IN,
  55
  56         /*
  57          * This operation is called to push the actual value that was optionally
  58          * converted on the first stage
  59          */
  60         MARSHAL_ACTION_PUSH,
  61
  62         /*
  63          * Convert byref arguments back or free resources allocated during the
  64          * CONV_IN stage
  65          */
  66         MARSHAL_ACTION_CONV_OUT,
  67
  68         /*
  69          * The result from the unmanaged call is at the top of the stack when
  70          * this action is invoked.    The result should be stored in the
  71          * third local variable slot.
  72          */
  73         MARSHAL_ACTION_CONV_RESULT,
  74
  75         MARSHAL_ACTION_MANAGED_CONV_IN,
  76         MARSHAL_ACTION_MANAGED_CONV_OUT,
  77         MARSHAL_ACTION_MANAGED_CONV_RESULT
  78 } MarshalAction;
  79
  80 /*
  81  * This is an extension of the MONO_WRAPPER_ enum to avoid adding more elements to that
  82  * enum.
  83  */
  84 typedef enum {
  85         WRAPPER_SUBTYPE_NONE,
  86         /* Subtypes of MONO_WRAPPER_MANAGED_TO_MANAGED */
  87         WRAPPER_SUBTYPE_ELEMENT_ADDR,
  88         WRAPPER_SUBTYPE_STRING_CTOR,
  89         /* Subtypes of MONO_WRAPPER_STELEMREF */
  90         WRAPPER_SUBTYPE_VIRTUAL_STELEMREF,
  91         /* Subtypes of MONO_WRAPPER_UNKNOWN */
  92         WRAPPER_SUBTYPE_FAST_MONITOR_ENTER,
  93         WRAPPER_SUBTYPE_FAST_MONITOR_ENTER_V4,
  94         WRAPPER_SUBTYPE_FAST_MONITOR_EXIT,
  95         WRAPPER_SUBTYPE_PTR_TO_STRUCTURE,
  96         WRAPPER_SUBTYPE_STRUCTURE_TO_PTR,
  97         /* Subtypes of MONO_WRAPPER_CASTCLASS */
  98         WRAPPER_SUBTYPE_CASTCLASS_WITH_CACHE,
  99         WRAPPER_SUBTYPE_ISINST_WITH_CACHE,
 100         /* Subtypes of MONO_WRAPPER_RUNTIME_INVOKE */
 101         WRAPPER_SUBTYPE_RUNTIME_INVOKE_NORMAL,
 102         WRAPPER_SUBTYPE_RUNTIME_INVOKE_DYNAMIC,
 103         WRAPPER_SUBTYPE_RUNTIME_INVOKE_DIRECT,
 104         WRAPPER_SUBTYPE_RUNTIME_INVOKE_VIRTUAL,
 105         /* Subtypes of MONO_WRAPPER_MANAGED_TO_NATIVE */
 106         WRAPPER_SUBTYPE_ICALL_WRAPPER,
 107         WRAPPER_SUBTYPE_NATIVE_FUNC_AOT,
 108         WRAPPER_SUBTYPE_PINVOKE,
 109         /* Subtypes of MONO_WRAPPER_UNKNOWN */
 110         WRAPPER_SUBTYPE_SYNCHRONIZED_INNER,
 111         WRAPPER_SUBTYPE_GSHAREDVT_IN,
 112         WRAPPER_SUBTYPE_GSHAREDVT_OUT,
 113         WRAPPER_SUBTYPE_ARRAY_ACCESSOR,
 114         /* Subtypes of MONO_WRAPPER_MANAGED_TO_MANAGED */
 115         WRAPPER_SUBTYPE_GENERIC_ARRAY_HELPER,
 116         /* Subtypes of MONO_WRAPPER_DELEGATE_INVOKE */
 117         WRAPPER_SUBTYPE_DELEGATE_INVOKE_VIRTUAL,
 118         WRAPPER_SUBTYPE_DELEGATE_INVOKE_BOUND
 119 } WrapperSubtype;
 120
 121 typedef struct {
 122         MonoMethod *method;
 123         MonoClass *klass;
 124 } NativeToManagedWrapperInfo;
 125
 126 typedef struct {
 127         MonoMethod *method;
 128 } StringCtorWrapperInfo;
 129
 130 typedef struct {
 131         int kind;
 132 } VirtualStelemrefWrapperInfo;
 133
 134 typedef struct {
 135         guint32 rank, elem_size;
 136 } ElementAddrWrapperInfo;
 137
 138 typedef struct {
 139         MonoMethod *method;
 140         /* For WRAPPER_SUBTYPE_RUNTIME_INVOKE_NORMAL */
 141         MonoMethodSignature *sig;
 142         gboolean pass_rgctx;
 143 } RuntimeInvokeWrapperInfo;
 144
 145 typedef struct {
 146         MonoMethod *method;
 147 } ManagedToNativeWrapperInfo;
 148
 149 typedef struct {
 150         MonoMethod *method;
 151 } SynchronizedWrapperInfo;
 152
 153 typedef struct {
 154         MonoMethod *method;
 155 } SynchronizedInnerWrapperInfo;
 156
 157 typedef struct {
 158         MonoMethod *method;
 159 } GenericArrayHelperWrapperInfo;
 160
 161 typedef struct {
 162         gpointer func;
 163 } ICallWrapperInfo;
 164
 165 typedef struct {
 166         MonoMethod *method;
 167 } ArrayAccessorWrapperInfo;
 168
 169 typedef struct {
 170         MonoClass *klass;
 171 } ProxyWrapperInfo;
 172
 173 typedef struct {
 174         const char *gc_name;
 175         int alloc_type;
 176 } AllocatorWrapperInfo;
 177
 178 typedef struct {
 179         MonoMethod *method;
 180 } UnboxWrapperInfo;
 181
 182 typedef struct {
 183         MonoMethod *method;
 184 } RemotingWrapperInfo;
 185
 186 /*
 187  * This structure contains additional information to uniquely identify a given wrapper
 188  * method. It can be retrieved by mono_marshal_get_wrapper_info () for certain types
 189  * of wrappers, i.e. ones which do not have a 1-1 association with a method/class.
 190  */
 191 typedef struct {
 192         WrapperSubtype subtype;
 193         union {
 194                 /* RUNTIME_INVOKE_... */
 195                 RuntimeInvokeWrapperInfo runtime_invoke;
 196                 /* STRING_CTOR */
 197                 StringCtorWrapperInfo string_ctor;
 198                 /* ELEMENT_ADDR */
 199                 ElementAddrWrapperInfo element_addr;
 200                 /* VIRTUAL_STELEMREF */
 201                 VirtualStelemrefWrapperInfo virtual_stelemref;
 202                 /* MONO_WRAPPER_NATIVE_TO_MANAGED */
 203                 NativeToManagedWrapperInfo native_to_managed;
 204                 /* MONO_WRAPPER_MANAGED_TO_NATIVE */
 205                 ManagedToNativeWrapperInfo managed_to_native;
 206                 /* SYNCHRONIZED */
 207                 SynchronizedWrapperInfo synchronized;
 208                 /* SYNCHRONIZED_INNER */
 209                 SynchronizedInnerWrapperInfo synchronized_inner;
 210                 /* GENERIC_ARRAY_HELPER */
 211                 GenericArrayHelperWrapperInfo generic_array_helper;
 212                 /* ICALL_WRAPPER */
 213                 ICallWrapperInfo icall;
 214                 /* ARRAY_ACCESSOR */
 215                 ArrayAccessorWrapperInfo array_accessor;
 216                 /* PROXY_ISINST etc. */
 217                 ProxyWrapperInfo proxy;
 218                 /* ALLOC */
 219                 AllocatorWrapperInfo alloc;
 220                 /* UNBOX */
 221                 UnboxWrapperInfo unbox;
 222                 /* MONO_WRAPPER_REMOTING_INVOKE/MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK/MONO_WRAPPER_XDOMAIN_INVOKE */
 223                 RemotingWrapperInfo remoting;
 224         } d;
 225 } WrapperInfo;
 226
 227 G_BEGIN_DECLS
 228
 229 /*type of the function pointer of methods returned by mono_marshal_get_runtime_invoke*/
 230 typedef MonoObject *(*RuntimeInvokeFunction) (MonoObject *this_obj, void **params, MonoObject **exc, void* compiled_method);
 231
 232 typedef void (*RuntimeInvokeDynamicFunction) (void *args, MonoObject **exc, void* compiled_method);
 233
 234 /* marshaling helper functions */
 235
 236 void
 237 mono_marshal_init (void);
 238
 239 void
 240 mono_marshal_init_tls (void);
 241
 242 void
 243 mono_marshal_cleanup (void);
 244
 245 gint32
 246 mono_class_native_size (MonoClass *klass, guint32 *align);
 247
 248 MonoMarshalType *
 249 mono_marshal_load_type_info (MonoClass* klass);
 250
 251 gint32
 252 mono_marshal_type_size (MonoType *type, MonoMarshalSpec *mspec, guint32 *align,
 253                         gboolean as_field, gboolean unicode);
 254
 255 int
 256 mono_type_native_stack_size (MonoType *type, guint32 *alignment);
 257
 258 gpointer
 259 mono_array_to_savearray (MonoArray *array);
 260
 261 gpointer
 262 mono_array_to_lparray (MonoArray *array);
 263
 264 void
 265 mono_free_lparray (MonoArray *array, gpointer* nativeArray);
 266
 267 void
 268 mono_string_utf8_to_builder (MonoStringBuilder *sb, char *text);
 269
 270 void
 271 mono_string_utf16_to_builder (MonoStringBuilder *sb, gunichar2 *text);
 272
 273 gchar*
 274 mono_string_builder_to_utf8 (MonoStringBuilder *sb);
 275
 276 gunichar2*
 277 mono_string_builder_to_utf16 (MonoStringBuilder *sb);
 278
 279 gpointer
 280 mono_string_to_ansibstr (MonoString *string_obj);
 281
 282 gpointer
 283 mono_string_to_bstr (MonoString *string_obj);
 284
 285 void
 286 mono_string_to_byvalstr (gpointer dst, MonoString *src, int size);
 287
 288 void
 289 mono_string_to_byvalwstr (gpointer dst, MonoString *src, int size);
 290
 291 gpointer
 292 mono_delegate_to_ftnptr (MonoDelegate *delegate);
 293
 294 MonoDelegate*
 295 mono_ftnptr_to_delegate (MonoClass *klass, gpointer ftn);
 296
 297 void mono_delegate_free_ftnptr (MonoDelegate *delegate);
 298
 299 void
 300 mono_marshal_set_last_error (void);
 301
 302 gpointer
 303 mono_marshal_asany (MonoObject *obj, MonoMarshalNative string_encoding, int param_attrs);
 304
 305 void
 306 mono_marshal_free_asany (MonoObject *o, gpointer ptr, MonoMarshalNative string_encoding, int param_attrs);
 307
 308 guint
 309 mono_type_to_ldind (MonoType *type);
 310
 311 guint
 312 mono_type_to_stind (MonoType *type);
 313
 314 /* functions to create various architecture independent helper functions */
 315
 316 MonoMethod *
 317 mono_marshal_method_from_wrapper (MonoMethod *wrapper);
 318
 319 WrapperInfo*
 320 mono_wrapper_info_create (MonoMethodBuilder *mb, WrapperSubtype subtype);
 321
 322 void
 323 mono_marshal_set_wrapper_info (MonoMethod *method, WrapperInfo *info);
 324
 325 WrapperInfo*
 326 mono_marshal_get_wrapper_info (MonoMethod *wrapper);
 327
 328 MonoMethod *
 329 mono_marshal_get_delegate_begin_invoke (MonoMethod *method);
 330
 331 MonoMethod *
 332 mono_marshal_get_delegate_end_invoke (MonoMethod *method);
 333
 334 MonoMethod *
 335 mono_marshal_get_delegate_invoke (MonoMethod *method, MonoDelegate *del);
 336
 337 MonoMethod *
 338 mono_marshal_get_delegate_invoke_internal (MonoMethod *method, gboolean callvirt, gboolean static_method_with_first_arg_bound, MonoMethod *target_method);
 339
 340 MonoMethod *
 341 mono_marshal_get_runtime_invoke (MonoMethod *method, gboolean is_virtual, gboolean pass_rgctx);
 342
 343 MonoMethod*
 344 mono_marshal_get_runtime_invoke_dynamic (void);
 345
 346 MonoMethodSignature*
 347 mono_marshal_get_string_ctor_signature (MonoMethod *method);
 348
 349 MonoMethod *
 350 mono_marshal_get_managed_wrapper (MonoMethod *method, MonoClass *delegate_klass, uint32_t this_loc);
 351
 352 gpointer
 353 mono_marshal_get_vtfixup_ftnptr (MonoImage *image, guint32 token, guint16 type);
 354
 355 MonoMethod *
 356 mono_marshal_get_icall_wrapper (MonoMethodSignature *sig, const char *name, gconstpointer func, gboolean check_exceptions);
 357
 358 MonoMethod *
 359 mono_marshal_get_native_wrapper (MonoMethod *method, gboolean check_exceptions, gboolean aot);
 360
 361 MonoMethod *
 362 mono_marshal_get_native_func_wrapper (MonoImage *image, MonoMethodSignature *sig, MonoMethodPInvoke *piinfo, MonoMarshalSpec **mspecs, gpointer func);
 363
 364 MonoMethod*
 365 mono_marshal_get_native_func_wrapper_aot (MonoClass *klass);
 366
 367 MonoMethod *
 368 mono_marshal_get_struct_to_ptr (MonoClass *klass);
 369
 370 MonoMethod *
 371 mono_marshal_get_ptr_to_struct (MonoClass *klass);
 372
 373 MonoMethod *
 374 mono_marshal_get_synchronized_wrapper (MonoMethod *method);
 375
 376 MonoMethod *
 377 mono_marshal_get_synchronized_inner_wrapper (MonoMethod *method);
 378
 379 MonoMethod *
 380 mono_marshal_get_unbox_wrapper (MonoMethod *method);
 381
 382 MonoMethod *
 383 mono_marshal_get_castclass_with_cache (void);
 384
 385 MonoMethod *
 386 mono_marshal_get_isinst_with_cache (void);
 387
 388 MonoMethod *
 389 mono_marshal_get_isinst (MonoClass *klass);
 390
 391 MonoMethod *
 392 mono_marshal_get_castclass (MonoClass *klass);
 393
 394 MonoMethod *
 395 mono_marshal_get_stelemref (void);
 396
 397 MonoMethod*
 398 mono_marshal_get_virtual_stelemref (MonoClass *array_class);
 399
 400 MonoMethod**
 401 mono_marshal_get_virtual_stelemref_wrappers (int *nwrappers);
 402
 403 MonoMethod*
 404 mono_marshal_get_array_address (int rank, int elem_size);
 405
 406 MonoMethod *
 407 mono_marshal_get_array_accessor_wrapper (MonoMethod *method);
 408
 409 MonoMethod *
 410 mono_marshal_get_generic_array_helper (MonoClass *klass, MonoClass *iface,
 411                                        gchar *name, MonoMethod *method);
 412
 413 MonoMethod *
 414 mono_marshal_get_thunk_invoke_wrapper (MonoMethod *method);
 415
 416 MonoMethod*
 417 mono_marshal_get_gsharedvt_in_wrapper (void);
 418
 419 MonoMethod*
 420 mono_marshal_get_gsharedvt_out_wrapper (void);
 421
 422 void
 423 mono_marshal_free_dynamic_wrappers (MonoMethod *method);
 424
 425 void
 426 mono_marshal_lock_internal (void);
 427
 428 void
 429 mono_marshal_unlock_internal (void);
 430
 431 /* marshaling internal calls */
 432
 433 void *
 434 mono_marshal_alloc (gulong size);
 435
 436 void
 437 mono_marshal_free (gpointer ptr);
 438
 439 void
 440 mono_marshal_free_array (gpointer *ptr, int size);
 441
 442 gboolean
 443 mono_marshal_free_ccw (MonoObject* obj);
 444
 445 void
 446 cominterop_release_all_rcws (void);
 447
 448 void
 449 ves_icall_System_Runtime_InteropServices_Marshal_copy_to_unmanaged (MonoArray *src, gint32 start_index,
 450                                                                     gpointer dest, gint32 length);
 451
 452 void
 453 ves_icall_System_Runtime_InteropServices_Marshal_copy_from_unmanaged (gpointer src, gint32 start_index,
 454                                                                       MonoArray *dest, gint32 length);
 455
 456 MonoString *
 457 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringAnsi (char *ptr);
 458
 459 MonoString *
 460 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringAnsi_len (char *ptr, gint32 len);
 461
 462 MonoString *
 463 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringUni (guint16 *ptr);
 464
 465 MonoString *
 466 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringUni_len (guint16 *ptr, gint32 len);
 467
 468 MonoString *
 469 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringBSTR (gpointer ptr);
 470
 471 guint32
 472 ves_icall_System_Runtime_InteropServices_Marshal_GetComSlotForMethodInfoInternal (MonoReflectionMethod *m);
 473
 474 guint32
 475 ves_icall_System_Runtime_InteropServices_Marshal_GetLastWin32Error (void);
 476
 477 guint32
 478 ves_icall_System_Runtime_InteropServices_Marshal_SizeOf (MonoReflectionType *rtype);
 479
 480 void
 481 ves_icall_System_Runtime_InteropServices_Marshal_StructureToPtr (MonoObject *obj, gpointer dst, MonoBoolean delete_old);
 482
 483 void
 484 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure (gpointer src, MonoObject *dst);
 485
 486 MonoObject *
 487 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure_type (gpointer src, MonoReflectionType *type);
 488
 489 int
 490 ves_icall_System_Runtime_InteropServices_Marshal_OffsetOf (MonoReflectionType *type, MonoString *field_name);
 491
 492 gpointer
 493 ves_icall_System_Runtime_InteropServices_Marshal_StringToBSTR (MonoString *string);
 494
 495 gpointer
 496 ves_icall_System_Runtime_InteropServices_Marshal_StringToHGlobalAnsi (MonoString *string);
 497
 498 gpointer
 499 ves_icall_System_Runtime_InteropServices_Marshal_StringToHGlobalUni (MonoString *string);
 500
 501 void
 502 ves_icall_System_Runtime_InteropServices_Marshal_DestroyStructure (gpointer src, MonoReflectionType *type);
 503
 504 void*
 505 ves_icall_System_Runtime_InteropServices_Marshal_AllocCoTaskMem (int size);
 506
 507 void
 508 ves_icall_System_Runtime_InteropServices_Marshal_FreeCoTaskMem (void *ptr);
 509
 510 gpointer
 511 ves_icall_System_Runtime_InteropServices_Marshal_ReAllocCoTaskMem (gpointer ptr, int size);
 512
 513 void*
 514 ves_icall_System_Runtime_InteropServices_Marshal_AllocHGlobal (gpointer size);
 515
 516 gpointer
 517 ves_icall_System_Runtime_InteropServices_Marshal_ReAllocHGlobal (gpointer ptr, gpointer size);
 518
 519 void
 520 ves_icall_System_Runtime_InteropServices_Marshal_FreeHGlobal (void *ptr);
 521
 522 void
 523 ves_icall_System_Runtime_InteropServices_Marshal_FreeBSTR (void *ptr);
 524
 525 void*
 526 ves_icall_System_Runtime_InteropServices_Marshal_UnsafeAddrOfPinnedArrayElement (MonoArray *arrayobj, int index);
 527
 528 MonoDelegate*
 529 ves_icall_System_Runtime_InteropServices_Marshal_GetDelegateForFunctionPointerInternal (void *ftn, MonoReflectionType *type);
 530
 531 int
 532 ves_icall_System_Runtime_InteropServices_Marshal_AddRefInternal (gpointer pUnk);
 533
 534 int
 535 ves_icall_System_Runtime_InteropServices_Marshal_QueryInterfaceInternal (gpointer pUnk, gpointer riid, gpointer* ppv);
 536
 537 int
 538 ves_icall_System_Runtime_InteropServices_Marshal_ReleaseInternal (gpointer pUnk);
 539
 540 void*
 541 ves_icall_System_Runtime_InteropServices_Marshal_GetIUnknownForObjectInternal (MonoObject* object);
 542
 543 MonoObject*
 544 ves_icall_System_Runtime_InteropServices_Marshal_GetObjectForCCW (void* pUnk);
 545
 546 void*
 547 ves_icall_System_Runtime_InteropServices_Marshal_GetIDispatchForObjectInternal (MonoObject* object);
 548
 549 void*
 550 ves_icall_System_Runtime_InteropServices_Marshal_GetCCW (MonoObject* object, MonoReflectionType* type);
 551
 552 MonoBoolean
 553 ves_icall_System_Runtime_InteropServices_Marshal_IsComObject (MonoObject* object);
 554
 555 gint32
 556 ves_icall_System_Runtime_InteropServices_Marshal_ReleaseComObjectInternal (MonoObject* object);
 557
 558 MonoObject *
 559 ves_icall_System_ComObject_CreateRCW (MonoReflectionType *type);
 560
 561 void
 562 ves_icall_System_ComObject_ReleaseInterfaces(MonoComObject* obj);
 563
 564 gpointer
 565 ves_icall_System_ComObject_GetInterfaceInternal (MonoComObject* obj, MonoReflectionType* type, MonoBoolean throw_exception);
 566
 567 void
 568 ves_icall_Mono_Interop_ComInteropProxy_AddProxy (gpointer pUnk, MonoComInteropProxy* proxy);
 569
 570 MonoComInteropProxy*
 571 ves_icall_Mono_Interop_ComInteropProxy_FindProxy (gpointer pUnk);
 572
 573 MONO_API void
 574 mono_win32_compat_CopyMemory (gpointer dest, gconstpointer source, gsize length);
 575
 576 MONO_API void
 577 mono_win32_compat_FillMemory (gpointer dest, gsize length, guchar fill);
 578
 579 MONO_API void
 580 mono_win32_compat_MoveMemory (gpointer dest, gconstpointer source, gsize length);
 581
 582 MONO_API void
 583 mono_win32_compat_ZeroMemory (gpointer dest, gsize length);
 584
 585 void
 586 mono_marshal_find_nonzero_bit_offset (guint8 *buf, int len, int *byte_offset, guint8 *bitmask) MONO_LLVM_INTERNAL;
 587
 588 MonoMethodSignature*
 589 mono_signature_no_pinvoke (MonoMethod *method);
 590
 591 /* Called from cominterop.c/remoting.c */
 592
 593 void
 594 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);
 595
 596 void
 597 mono_marshal_emit_managed_wrapper (MonoMethodBuilder *mb, MonoMethodSignature *invoke_sig, MonoMarshalSpec **mspecs, EmitMarshalContext* m, MonoMethod *method, uint32_t target_handle);
 598
 599 GHashTable*
 600 mono_marshal_get_cache (GHashTable **var, GHashFunc hash_func, GCompareFunc equal_func);
 601
 602 MonoMethod*
 603 mono_marshal_find_in_cache (GHashTable *cache, gpointer key);
 604
 605 MonoMethod*
 606 mono_mb_create_and_cache (GHashTable *cache, gpointer key,
 607                                                   MonoMethodBuilder *mb, MonoMethodSignature *sig,
 608                                                   int max_stack);
 609 void
 610 mono_marshal_emit_thread_interrupt_checkpoint (MonoMethodBuilder *mb);
 611
 612 void
 613 mono_marshal_emit_thread_force_interrupt_checkpoint (MonoMethodBuilder *mb);
 614
 615 void
 616 mono_marshal_use_aot_wrappers (gboolean use);
 617
 618 MonoObject *
 619 mono_marshal_xdomain_copy_value (MonoObject *val);
 620
 621 int
 622 mono_mb_emit_save_args (MonoMethodBuilder *mb, MonoMethodSignature *sig, gboolean save_this);
 623
 624 void
 625 mono_mb_emit_restore_result (MonoMethodBuilder *mb, MonoType *return_type);
 626
 627 MonoMethod*
 628 mono_mb_create (MonoMethodBuilder *mb, MonoMethodSignature *sig,
 629                                 int max_stack, WrapperInfo *info);
 630
 631 MonoMethod*
 632 mono_mb_create_and_cache_full (GHashTable *cache, gpointer key,
 633                                                            MonoMethodBuilder *mb, MonoMethodSignature *sig,
 634                                                            int max_stack, WrapperInfo *info, gboolean *out_found);
 635
 636 G_END_DECLS
 637
 638 #endif /* __MONO_MARSHAL_H__ */
 639
 640