mono/metadata/marshal.h

   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 (MonoMethod *method, gboolean is_virtual);
 329
 330 MonoMethod*
 331 mono_marshal_get_runtime_invoke_dynamic (void);
 332
 333 MonoMethod *
 334 mono_marshal_get_runtime_invoke_for_sig (MonoMethodSignature *sig);
 335
 336 MonoMethodSignature*
 337 mono_marshal_get_string_ctor_signature (MonoMethod *method);
 338
 339 MonoMethod *
 340 mono_marshal_get_managed_wrapper (MonoMethod *method, MonoClass *delegate_klass, uint32_t this_loc, MonoError *exernal_error);
 341
 342 gpointer
 343 mono_marshal_get_vtfixup_ftnptr (MonoImage *image, guint32 token, guint16 type);
 344
 345 MonoMethod *
 346 mono_marshal_get_icall_wrapper (MonoMethodSignature *sig, const char *name, gconstpointer func, gboolean check_exceptions);
 347
 348 MonoMethod *
 349 mono_marshal_get_native_wrapper (MonoMethod *method, gboolean check_exceptions, gboolean aot);
 350
 351 MonoMethod *
 352 mono_marshal_get_native_func_wrapper (MonoImage *image, MonoMethodSignature *sig, MonoMethodPInvoke *piinfo, MonoMarshalSpec **mspecs, gpointer func);
 353
 354 MonoMethod*
 355 mono_marshal_get_native_func_wrapper_aot (MonoClass *klass);
 356
 357 MonoMethod *
 358 mono_marshal_get_struct_to_ptr (MonoClass *klass);
 359
 360 MonoMethod *
 361 mono_marshal_get_ptr_to_struct (MonoClass *klass);
 362
 363 MonoMethod *
 364 mono_marshal_get_synchronized_wrapper (MonoMethod *method);
 365
 366 MonoMethod *
 367 mono_marshal_get_synchronized_inner_wrapper (MonoMethod *method);
 368
 369 MonoMethod *
 370 mono_marshal_get_unbox_wrapper (MonoMethod *method);
 371
 372 MonoMethod *
 373 mono_marshal_get_castclass_with_cache (void);
 374
 375 MonoMethod *
 376 mono_marshal_get_isinst_with_cache (void);
 377
 378 MonoMethod *
 379 mono_marshal_get_stelemref (void);
 380
 381 MonoMethod*
 382 mono_marshal_get_virtual_stelemref (MonoClass *array_class);
 383
 384 MonoMethod**
 385 mono_marshal_get_virtual_stelemref_wrappers (int *nwrappers);
 386
 387 MonoMethod*
 388 mono_marshal_get_array_address (int rank, int elem_size);
 389
 390 MonoMethod *
 391 mono_marshal_get_array_accessor_wrapper (MonoMethod *method);
 392
 393 MonoMethod *
 394 mono_marshal_get_generic_array_helper (MonoClass *klass, gchar *name, MonoMethod *method);
 395
 396 MonoMethod *
 397 mono_marshal_get_thunk_invoke_wrapper (MonoMethod *method);
 398
 399 MonoMethod*
 400 mono_marshal_get_gsharedvt_in_wrapper (void);
 401
 402 MonoMethod*
 403 mono_marshal_get_gsharedvt_out_wrapper (void);
 404
 405 void
 406 mono_marshal_free_dynamic_wrappers (MonoMethod *method);
 407
 408 void
 409 mono_marshal_lock_internal (void);
 410
 411 void
 412 mono_marshal_unlock_internal (void);
 413
 414 /* marshaling internal calls */
 415
 416 void *
 417 mono_marshal_alloc (gsize size, MonoError *error);
 418
 419 void
 420 mono_marshal_free (gpointer ptr);
 421
 422 void
 423 mono_marshal_free_array (gpointer *ptr, int size);
 424
 425 gboolean
 426 mono_marshal_free_ccw (MonoObject* obj);
 427
 428 void
 429 cominterop_release_all_rcws (void);
 430
 431 void
 432 ves_icall_System_Runtime_InteropServices_Marshal_copy_to_unmanaged (MonoArray *src, gint32 start_index,
 433                                                                     gpointer dest, gint32 length);
 434
 435 void
 436 ves_icall_System_Runtime_InteropServices_Marshal_copy_from_unmanaged (gpointer src, gint32 start_index,
 437                                                                       MonoArray *dest, gint32 length);
 438
 439 MonoStringHandle
 440 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringAnsi (char *ptr, MonoError *error);
 441
 442 MonoString *
 443 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringAnsi_len (char *ptr, gint32 len);
 444
 445 MonoString *
 446 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringUni (guint16 *ptr);
 447
 448 MonoString *
 449 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringUni_len (guint16 *ptr, gint32 len);
 450
 451 MonoString *
 452 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringBSTR (gpointer ptr);
 453
 454 guint32
 455 ves_icall_System_Runtime_InteropServices_Marshal_GetComSlotForMethodInfoInternal (MonoReflectionMethod *m);
 456
 457 guint32
 458 ves_icall_System_Runtime_InteropServices_Marshal_GetLastWin32Error (void);
 459
 460 guint32
 461 ves_icall_System_Runtime_InteropServices_Marshal_SizeOf (MonoReflectionTypeHandle rtype, MonoError *error);
 462
 463 void
 464 ves_icall_System_Runtime_InteropServices_Marshal_StructureToPtr (MonoObject *obj, gpointer dst, MonoBoolean delete_old);
 465
 466 void
 467 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure (gpointer src, MonoObject *dst);
 468
 469 MonoObject *
 470 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure_type (gpointer src, MonoReflectionType *type);
 471
 472 int
 473 ves_icall_System_Runtime_InteropServices_Marshal_OffsetOf (MonoReflectionTypeHandle type, MonoStringHandle field_name, MonoError *error);
 474
 475 gpointer
 476 ves_icall_System_Runtime_InteropServices_Marshal_StringToBSTR (MonoString *string);
 477
 478 gpointer
 479 ves_icall_System_Runtime_InteropServices_Marshal_BufferToBSTR (MonoArray *ptr, int len);
 480
 481 gpointer
 482 ves_icall_System_Runtime_InteropServices_Marshal_StringToHGlobalAnsi (MonoString *string);
 483
 484 gpointer
 485 ves_icall_System_Runtime_InteropServices_Marshal_StringToHGlobalUni (MonoString *string);
 486
 487 void
 488 ves_icall_System_Runtime_InteropServices_Marshal_DestroyStructure (gpointer src, MonoReflectionType *type);
 489
 490 void*
 491 ves_icall_System_Runtime_InteropServices_Marshal_AllocCoTaskMem (int size);
 492
 493 void*
 494 ves_icall_System_Runtime_InteropServices_Marshal_AllocCoTaskMemSize (gulong size);
 495
 496 void
 497 ves_icall_System_Runtime_InteropServices_Marshal_FreeCoTaskMem (void *ptr);
 498
 499 gpointer
 500 ves_icall_System_Runtime_InteropServices_Marshal_ReAllocCoTaskMem (gpointer ptr, int size);
 501
 502 void*
 503 ves_icall_System_Runtime_InteropServices_Marshal_AllocHGlobal (gpointer size);
 504
 505 gpointer
 506 ves_icall_System_Runtime_InteropServices_Marshal_ReAllocHGlobal (gpointer ptr, gpointer size);
 507
 508 void
 509 ves_icall_System_Runtime_InteropServices_Marshal_FreeHGlobal (void *ptr);
 510
 511 void
 512 ves_icall_System_Runtime_InteropServices_Marshal_FreeBSTR (void *ptr);
 513
 514 void*
 515 ves_icall_System_Runtime_InteropServices_Marshal_UnsafeAddrOfPinnedArrayElement (MonoArray *arrayobj, int index);
 516
 517 MonoDelegate*
 518 ves_icall_System_Runtime_InteropServices_Marshal_GetDelegateForFunctionPointerInternal (void *ftn, MonoReflectionType *type);
 519
 520 gpointer
 521 ves_icall_System_Runtime_InteropServices_Marshal_GetFunctionPointerForDelegateInternal (MonoDelegate *delegate);
 522
 523 int
 524 ves_icall_System_Runtime_InteropServices_Marshal_AddRefInternal (gpointer pUnk);
 525
 526 int
 527 ves_icall_System_Runtime_InteropServices_Marshal_QueryInterfaceInternal (gpointer pUnk, gpointer riid, gpointer* ppv);
 528
 529 int
 530 ves_icall_System_Runtime_InteropServices_Marshal_ReleaseInternal (gpointer pUnk);
 531
 532 void*
 533 ves_icall_System_Runtime_InteropServices_Marshal_GetIUnknownForObjectInternal (MonoObject* object);
 534
 535 MonoObject*
 536 ves_icall_System_Runtime_InteropServices_Marshal_GetObjectForCCW (void* pUnk);
 537
 538 void*
 539 ves_icall_System_Runtime_InteropServices_Marshal_GetIDispatchForObjectInternal (MonoObject* object);
 540
 541 void*
 542 ves_icall_System_Runtime_InteropServices_Marshal_GetCCW (MonoObject* object, MonoReflectionType* type);
 543
 544 MonoBoolean
 545 ves_icall_System_Runtime_InteropServices_Marshal_IsComObject (MonoObject* object);
 546
 547 gint32
 548 ves_icall_System_Runtime_InteropServices_Marshal_ReleaseComObjectInternal (MonoObject* object);
 549
 550 MonoObject *
 551 ves_icall_System_ComObject_CreateRCW (MonoReflectionType *type);
 552
 553 void
 554 ves_icall_System_ComObject_ReleaseInterfaces(MonoComObject* obj);
 555
 556 gpointer
 557 ves_icall_System_ComObject_GetInterfaceInternal (MonoComObject* obj, MonoReflectionType* type, MonoBoolean throw_exception);
 558
 559 void
 560 ves_icall_Mono_Interop_ComInteropProxy_AddProxy (gpointer pUnk, MonoComInteropProxy* proxy);
 561
 562 MonoComInteropProxy*
 563 ves_icall_Mono_Interop_ComInteropProxy_FindProxy (gpointer pUnk);
 564
 565 MONO_API void
 566 mono_win32_compat_CopyMemory (gpointer dest, gconstpointer source, gsize length);
 567
 568 MONO_API void
 569 mono_win32_compat_FillMemory (gpointer dest, gsize length, guchar fill);
 570
 571 MONO_API void
 572 mono_win32_compat_MoveMemory (gpointer dest, gconstpointer source, gsize length);
 573
 574 MONO_API void
 575 mono_win32_compat_ZeroMemory (gpointer dest, gsize length);
 576
 577 void
 578 mono_marshal_find_nonzero_bit_offset (guint8 *buf, int len, int *byte_offset, guint8 *bitmask) MONO_LLVM_INTERNAL;
 579
 580 MonoMethodSignature*
 581 mono_signature_no_pinvoke (MonoMethod *method);
 582
 583 /* Called from cominterop.c/remoting.c */
 584
 585 void
 586 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);
 587
 588 void
 589 mono_marshal_emit_managed_wrapper (MonoMethodBuilder *mb, MonoMethodSignature *invoke_sig, MonoMarshalSpec **mspecs, EmitMarshalContext* m, MonoMethod *method, uint32_t target_handle);
 590
 591 GHashTable*
 592 mono_marshal_get_cache (GHashTable **var, GHashFunc hash_func, GCompareFunc equal_func);
 593
 594 MonoMethod*
 595 mono_marshal_find_in_cache (GHashTable *cache, gpointer key);
 596
 597 MonoMethod*
 598 mono_mb_create_and_cache (GHashTable *cache, gpointer key,
 599                                                   MonoMethodBuilder *mb, MonoMethodSignature *sig,
 600                                                   int max_stack);
 601 void
 602 mono_marshal_emit_thread_interrupt_checkpoint (MonoMethodBuilder *mb);
 603
 604 void
 605 mono_marshal_emit_thread_force_interrupt_checkpoint (MonoMethodBuilder *mb);
 606
 607 void
 608 mono_marshal_use_aot_wrappers (gboolean use);
 609
 610 MonoObject *
 611 mono_marshal_xdomain_copy_value (MonoObject *val, MonoError *error);
 612
 613 MonoObject *
 614 ves_icall_mono_marshal_xdomain_copy_value (MonoObject *val);
 615
 616 int
 617 mono_mb_emit_save_args (MonoMethodBuilder *mb, MonoMethodSignature *sig, gboolean save_this);
 618
 619 void
 620 mono_mb_emit_restore_result (MonoMethodBuilder *mb, MonoType *return_type);
 621
 622 MonoMethod*
 623 mono_mb_create (MonoMethodBuilder *mb, MonoMethodSignature *sig,
 624                                 int max_stack, WrapperInfo *info);
 625
 626 MonoMethod*
 627 mono_mb_create_and_cache_full (GHashTable *cache, gpointer key,
 628                                                            MonoMethodBuilder *mb, MonoMethodSignature *sig,
 629                                                            int max_stack, WrapperInfo *info, gboolean *out_found);
 630
 631 typedef void (*MonoFtnPtrEHCallback) (guint32 gchandle);
 632
 633 MONO_API void
 634 mono_install_ftnptr_eh_callback (MonoFtnPtrEHCallback callback);
 635
 636 G_END_DECLS
 637
 638 #endif /* __MONO_MARSHAL_H__ */
 639
 640