runtime/runtime.h

   1 /*
   2  * Copyright (c) 1999-2007 Apple Inc.  All Rights Reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * This file contains Original Code and/or Modifications of Original Code
   7  * as defined in and that are subject to the Apple Public Source License
   8  * Version 2.0 (the 'License'). You may not use this file except in
   9  * compliance with the License. Please obtain a copy of the License at
  10  * http://www.opensource.apple.com/apsl/ and read it before using this
  11  * file.
  12  *
  13  * The Original Code and all software distributed under the License are
  14  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  15  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  16  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  18  * Please see the License for the specific language governing rights and
  19  * limitations under the License.
  20  *
  21  * @APPLE_LICENSE_HEADER_END@
  22  */
  23
  24 #ifndef _OBJC_RUNTIME_H
  25 #define _OBJC_RUNTIME_H
  26
  27 #import <objc/objc.h>
  28
  29 #import <sys/types.h>
  30 #import <stdarg.h>
  31 #import <stdint.h>
  32 #import <stddef.h>
  33 #import <AvailabilityMacros.h>
  34
  35
  36 /* Types */
  37
  38 typedef struct objc_method *Method;
  39 typedef struct objc_ivar *Ivar;
  40 typedef struct objc_category *Category;
  41 typedef struct objc_property *objc_property_t;
  42
  43 struct objc_class {
  44     Class isa;
  45
  46 #if !__OBJC2__
  47     Class super_class                                        OBJC2_UNAVAILABLE;
  48     const char *name                                         OBJC2_UNAVAILABLE;
  49     long version                                             OBJC2_UNAVAILABLE;
  50     long info                                                OBJC2_UNAVAILABLE;
  51     long instance_size                                       OBJC2_UNAVAILABLE;
  52     struct objc_ivar_list *ivars                             OBJC2_UNAVAILABLE;
  53     struct objc_method_list **methodLists                    OBJC2_UNAVAILABLE;
  54     struct objc_cache *cache                                 OBJC2_UNAVAILABLE;
  55     struct objc_protocol_list *protocols                     OBJC2_UNAVAILABLE;
  56 #endif
  57
  58 } OBJC2_UNAVAILABLE;
  59 /* Use `Class` instead of `struct objc_class *` */
  60
  61 #ifdef __OBJC__
  62 @class Protocol;
  63 #else
  64 typedef struct objc_object Protocol;
  65 #endif
  66
  67 struct objc_method_description {
  68         SEL name;
  69         char *types;
  70 };
  71 struct objc_method_description_list {
  72         int count;
  73         struct objc_method_description list[1];
  74 };
  75
  76 struct objc_protocol_list {
  77     struct objc_protocol_list *next;
  78     long count;
  79     Protocol *list[1];
  80 };
  81
  82
  83 /* Functions */
  84
  85 OBJC_EXPORT id object_copy(id obj, size_t size);
  86 OBJC_EXPORT id object_dispose(id obj);
  87
  88 OBJC_EXPORT Class object_getClass(id obj)
  89      AVAILABLE_MAC_OS_X_VERSION_10_5_AND_LATER;
  90 OBJC_EXPORT Class object_setClass(id obj, Class cls)
  91      AVAILABLE_MAC_OS_X_VERSION_10_5_AND_LATER;
  92
  93 OBJC_EXPORT const char *object_getClassName(id obj);
  94 OBJC_EXPORT void *object_getIndexedIvars(id obj);
  95
  96 OBJC_EXPORT id object_getIvar(id obj, Ivar ivar)
  97      AVAILABLE_MAC_OS_X_VERSION_10_5_AND_LATER;
  98 OBJC_EXPORT void object_setIvar(id obj, Ivar ivar, id value)
  99      AVAILABLE_MAC_OS_X_VERSION_10_5_AND_LATER;
 100
 101 OBJC_EXPORT Ivar object_setInstanceVariable(id obj, const char *name, void *value);
 102 OBJC_EXPORT Ivar object_getInstanceVariable(id obj, const char *name, void **outValue);
 103
 104 OBJC_EXPORT id objc_getClass(const char *name);
 105 OBJC_EXPORT id objc_getMetaClass(const char *name);
 106 OBJC_EXPORT id objc_lookUpClass(const char *name);
 107 OBJC_EXPORT id objc_getRequiredClass(const char *name);
 108 OBJC_EXPORT Class objc_getFutureClass(const char *name)
 109      AVAILABLE_MAC_OS_X_VERSION_10_5_AND_LATER;
 110 OBJC_EXPORT void objc_setFutureClass(Class cls, const char *name)
 111      AVAILABLE_MAC_OS_X_VERSION_10_5_AND_LATER;
 112 OBJC_EXPORT int objc_getClassList(Class *buffer, int bufferCount);
 113
 114 OBJC_EXPORT Protocol *objc_getProtocol(const char *name)
 115      AVAILABLE_MAC_OS_X_VERSION_10_5_AND_LATER;
 116 OBJC_EXPORT Protocol **objc_copyProtocolList(unsigned int *outCount)
 117      AVAILABLE_MAC_OS_X_VERSION_10_5_AND_LATER;
 118
 119 OBJC_EXPORT const char *class_getName(Class cls)
 120      AVAILABLE_MAC_OS_X_VERSION_10_5_AND_LATER;
 121 OBJC_EXPORT BOOL class_isMetaClass(Class cls)
 122      AVAILABLE_MAC_OS_X_VERSION_10_5_AND_LATER;
 123 OBJC_EXPORT Class class_getSuperclass(Class cls)
 124      AVAILABLE_MAC_OS_X_VERSION_10_5_AND_LATER;
 125 OBJC_EXPORT Class class_setSuperclass(Class cls, Class newSuper)
 126      AVAILABLE_MAC_OS_X_VERSION_10_5_AND_LATER OBJC2_UNAVAILABLE;
 127
 128 OBJC_EXPORT int class_getVersion(Class cls);
 129 OBJC_EXPORT void class_setVersion(Class cls, int version);
 130
 131 OBJC_EXPORT size_t class_getInstanceSize(Class cls)
 132      AVAILABLE_MAC_OS_X_VERSION_10_5_AND_LATER;
 133
 134 OBJC_EXPORT Ivar class_getInstanceVariable(Class cls, const char *name);
 135 OBJC_EXPORT Ivar class_getClassVariable(Class cls, const char *name)
 136      AVAILABLE_MAC_OS_X_VERSION_10_5_AND_LATER;
 137 OBJC_EXPORT Ivar *class_copyIvarList(Class cls, unsigned int *outCount)
 138      AVAILABLE_MAC_OS_X_VERSION_10_5_AND_LATER;
 139
 140 OBJC_EXPORT Method class_getInstanceMethod(Class cls, SEL name);
 141 OBJC_EXPORT Method class_getClassMethod(Class cls, SEL name);
 142 OBJC_EXPORT IMP class_getMethodImplementation(Class cls, SEL name)
 143      AVAILABLE_MAC_OS_X_VERSION_10_5_AND_LATER;
 144 OBJC_EXPORT IMP class_getMethodImplementation_stret(Class cls, SEL name)
 145      AVAILABLE_MAC_OS_X_VERSION_10_5_AND_LATER;
 146 OBJC_EXPORT BOOL class_respondsToSelector(Class cls, SEL sel)
 147      AVAILABLE_MAC_OS_X_VERSION_10_5_AND_LATER;
 148 OBJC_EXPORT Method *class_copyMethodList(Class cls, unsigned int *outCount)
 149      AVAILABLE_MAC_OS_X_VERSION_10_5_AND_LATER;
 150
 151 OBJC_EXPORT BOOL class_conformsToProtocol(Class cls, Protocol *protocol)
 152      AVAILABLE_MAC_OS_X_VERSION_10_5_AND_LATER;
 153 OBJC_EXPORT Protocol **class_copyProtocolList(Class cls, unsigned int *outCount)
 154      AVAILABLE_MAC_OS_X_VERSION_10_5_AND_LATER;
 155
 156 OBJC_EXPORT objc_property_t class_getProperty(Class cls, const char *name)
 157      AVAILABLE_MAC_OS_X_VERSION_10_5_AND_LATER;
 158 OBJC_EXPORT objc_property_t *class_copyPropertyList(Class cls, unsigned int *outCount)
 159      AVAILABLE_MAC_OS_X_VERSION_10_5_AND_LATER;
 160
 161 OBJC_EXPORT const char *class_getIvarLayout(Class cls)
 162      AVAILABLE_MAC_OS_X_VERSION_10_5_AND_LATER;
 163 OBJC_EXPORT const char *class_getWeakIvarLayout(Class cls)
 164      AVAILABLE_MAC_OS_X_VERSION_10_5_AND_LATER;
 165
 166 OBJC_EXPORT id class_createInstance(Class cls, size_t extraBytes);
 167
 168 OBJC_EXPORT Class objc_allocateClassPair(Class superclass, const char *name,
 169                                          size_t extraBytes)
 170      AVAILABLE_MAC_OS_X_VERSION_10_5_AND_LATER;
 171 OBJC_EXPORT void objc_registerClassPair(Class cls)
 172      AVAILABLE_MAC_OS_X_VERSION_10_5_AND_LATER;
 173 OBJC_EXPORT Class objc_duplicateClass(Class original, const char *name,
 174                                       size_t extraBytes)
 175      AVAILABLE_MAC_OS_X_VERSION_10_5_AND_LATER;
 176 OBJC_EXPORT void objc_disposeClassPair(Class cls)
 177      AVAILABLE_MAC_OS_X_VERSION_10_5_AND_LATER;
 178
 179 OBJC_EXPORT BOOL class_addMethod(Class cls, SEL name, IMP imp,
 180                                  const char *types)
 181      AVAILABLE_MAC_OS_X_VERSION_10_5_AND_LATER;
 182 OBJC_EXPORT IMP class_replaceMethod(Class cls, SEL name, IMP imp,
 183                                     const char *types)
 184      AVAILABLE_MAC_OS_X_VERSION_10_5_AND_LATER;
 185 OBJC_EXPORT BOOL class_addIvar(Class cls, const char *name, size_t size,
 186                                uint8_t alignment, const char *types)
 187      AVAILABLE_MAC_OS_X_VERSION_10_5_AND_LATER;
 188 OBJC_EXPORT BOOL class_addProtocol(Class cls, Protocol *protocol)
 189      AVAILABLE_MAC_OS_X_VERSION_10_5_AND_LATER;
 190 OBJC_EXPORT void class_setIvarLayout(Class cls, const char *layout)
 191      AVAILABLE_MAC_OS_X_VERSION_10_5_AND_LATER;
 192 OBJC_EXPORT void class_setWeakIvarLayout(Class cls, const char *layout)
 193      AVAILABLE_MAC_OS_X_VERSION_10_5_AND_LATER;
 194
 195
 196 OBJC_EXPORT SEL method_getName(Method m)
 197      AVAILABLE_MAC_OS_X_VERSION_10_5_AND_LATER;
 198 OBJC_EXPORT IMP method_getImplementation(Method m)
 199      AVAILABLE_MAC_OS_X_VERSION_10_5_AND_LATER;
 200 OBJC_EXPORT const char *method_getTypeEncoding(Method m)
 201      AVAILABLE_MAC_OS_X_VERSION_10_5_AND_LATER;
 202
 203 OBJC_EXPORT unsigned int method_getNumberOfArguments(Method m);
 204 OBJC_EXPORT char *method_copyReturnType(Method m)
 205      AVAILABLE_MAC_OS_X_VERSION_10_5_AND_LATER;
 206 OBJC_EXPORT char *method_copyArgumentType(Method m, unsigned int index)
 207      AVAILABLE_MAC_OS_X_VERSION_10_5_AND_LATER;
 208 OBJC_EXPORT void method_getReturnType(Method m, char *dst, size_t dst_len)
 209      AVAILABLE_MAC_OS_X_VERSION_10_5_AND_LATER;
 210 OBJC_EXPORT void method_getArgumentType(Method m, unsigned int index,
 211                                         char *dst, size_t dst_len)
 212      AVAILABLE_MAC_OS_X_VERSION_10_5_AND_LATER;
 213 OBJC_EXPORT struct objc_method_description *method_getDescription(Method m)
 214      AVAILABLE_MAC_OS_X_VERSION_10_5_AND_LATER;
 215
 216 OBJC_EXPORT IMP method_setImplementation(Method m, IMP imp)
 217      AVAILABLE_MAC_OS_X_VERSION_10_5_AND_LATER;
 218 OBJC_EXPORT void method_exchangeImplementations(Method m1, Method m2)
 219      AVAILABLE_MAC_OS_X_VERSION_10_5_AND_LATER;
 220
 221 OBJC_EXPORT const char *ivar_getName(Ivar v)
 222      AVAILABLE_MAC_OS_X_VERSION_10_5_AND_LATER;
 223 OBJC_EXPORT const char *ivar_getTypeEncoding(Ivar v)
 224      AVAILABLE_MAC_OS_X_VERSION_10_5_AND_LATER;
 225 OBJC_EXPORT ptrdiff_t ivar_getOffset(Ivar v)
 226      AVAILABLE_MAC_OS_X_VERSION_10_5_AND_LATER;
 227
 228 OBJC_EXPORT const char *property_getName(objc_property_t property)
 229      AVAILABLE_MAC_OS_X_VERSION_10_5_AND_LATER;
 230 OBJC_EXPORT const char *property_getAttributes(objc_property_t property)
 231      AVAILABLE_MAC_OS_X_VERSION_10_5_AND_LATER;
 232
 233 OBJC_EXPORT BOOL protocol_conformsToProtocol(Protocol *proto, Protocol *other)
 234      AVAILABLE_MAC_OS_X_VERSION_10_5_AND_LATER;
 235 OBJC_EXPORT BOOL protocol_isEqual(Protocol *proto, Protocol *other)
 236      AVAILABLE_MAC_OS_X_VERSION_10_5_AND_LATER;
 237 OBJC_EXPORT const char *protocol_getName(Protocol *p)
 238      AVAILABLE_MAC_OS_X_VERSION_10_5_AND_LATER;
 239 OBJC_EXPORT struct objc_method_description protocol_getMethodDescription(Protocol *p, SEL aSel, BOOL isRequiredMethod, BOOL isInstanceMethod)
 240      AVAILABLE_MAC_OS_X_VERSION_10_5_AND_LATER;
 241 OBJC_EXPORT struct objc_method_description *protocol_copyMethodDescriptionList(Protocol *p, BOOL isRequiredMethod, BOOL isInstanceMethod, unsigned int *outCount)
 242      AVAILABLE_MAC_OS_X_VERSION_10_5_AND_LATER;
 243 OBJC_EXPORT objc_property_t protocol_getProperty(Protocol *proto, const char *name, BOOL isRequiredProperty, BOOL isInstanceProperty)
 244      AVAILABLE_MAC_OS_X_VERSION_10_5_AND_LATER;
 245 OBJC_EXPORT objc_property_t *protocol_copyPropertyList(Protocol *proto, unsigned int *outCount)
 246      AVAILABLE_MAC_OS_X_VERSION_10_5_AND_LATER;
 247 OBJC_EXPORT Protocol **protocol_copyProtocolList(Protocol *proto, unsigned int *outCount)
 248      AVAILABLE_MAC_OS_X_VERSION_10_5_AND_LATER;
 249
 250 OBJC_EXPORT const char **objc_copyImageNames(unsigned int *outCount)
 251      AVAILABLE_MAC_OS_X_VERSION_10_5_AND_LATER;
 252 OBJC_EXPORT const char *class_getImageName(Class cls)
 253      AVAILABLE_MAC_OS_X_VERSION_10_5_AND_LATER;
 254 OBJC_EXPORT const char **objc_copyClassNamesForImage(const char *image,
 255                                                      unsigned int *outCount)
 256      AVAILABLE_MAC_OS_X_VERSION_10_5_AND_LATER;
 257
 258 OBJC_EXPORT const char *sel_getName(SEL sel);
 259 OBJC_EXPORT SEL sel_getUid(const char *str);
 260 OBJC_EXPORT SEL sel_registerName(const char *str);
 261 OBJC_EXPORT BOOL sel_isEqual(SEL lhs, SEL rhs)
 262      AVAILABLE_MAC_OS_X_VERSION_10_5_AND_LATER;
 263
 264 OBJC_EXPORT void objc_enumerationMutation(id)
 265      AVAILABLE_MAC_OS_X_VERSION_10_5_AND_LATER;
 266 OBJC_EXPORT void objc_setEnumerationMutationHandler(void (*handler)(id))
 267      AVAILABLE_MAC_OS_X_VERSION_10_5_AND_LATER;
 268
 269 OBJC_EXPORT void objc_setForwardHandler(void *fwd, void *fwd_stret)
 270      AVAILABLE_MAC_OS_X_VERSION_10_5_AND_LATER;
 271
 272 #define _C_ID       '@'
 273 #define _C_CLASS    '#'
 274 #define _C_SEL      ':'
 275 #define _C_CHR      'c'
 276 #define _C_UCHR     'C'
 277 #define _C_SHT      's'
 278 #define _C_USHT     'S'
 279 #define _C_INT      'i'
 280 #define _C_UINT     'I'
 281 #define _C_LNG      'l'
 282 #define _C_ULNG     'L'
 283 #define _C_LNG_LNG  'q'
 284 #define _C_ULNG_LNG 'Q'
 285 #define _C_FLT      'f'
 286 #define _C_DBL      'd'
 287 #define _C_BFLD     'b'
 288 #define _C_BOOL     'B'
 289 #define _C_VOID     'v'
 290 #define _C_UNDEF    '?'
 291 #define _C_PTR      '^'
 292 #define _C_CHARPTR  '*'
 293 #define _C_ATOM     '%'
 294 #define _C_ARY_B    '['
 295 #define _C_ARY_E    ']'
 296 #define _C_UNION_B  '('
 297 #define _C_UNION_E  ')'
 298 #define _C_STRUCT_B '{'
 299 #define _C_STRUCT_E '}'
 300 #define _C_VECTOR   '!'
 301 #define _C_CONST    'r'
 302
 303
 304 /* Obsolete types */
 305
 306 #if !__OBJC2__
 307
 308 #define CLS_GETINFO(cls,infomask)        ((cls)->info & (infomask))
 309 #define CLS_SETINFO(cls,infomask)        ((cls)->info |= (infomask))
 310
 311 // class is not a metaclass
 312 #define CLS_CLASS               0x1
 313 // class is a metaclass
 314 #define CLS_META                0x2
 315 // class's +initialize method has completed
 316 #define CLS_INITIALIZED         0x4
 317 // class is posing
 318 #define CLS_POSING              0x8
 319 // unused
 320 #define CLS_MAPPED              0x10
 321 // class and subclasses need cache flush during image loading
 322 #define CLS_FLUSH_CACHE         0x20
 323 // method cache should grow when full
 324 #define CLS_GROW_CACHE          0x40
 325 // unused
 326 #define CLS_NEED_BIND           0x80
 327 // methodLists is array of method lists
 328 #define CLS_METHOD_ARRAY        0x100
 329 // the JavaBridge constructs classes with these markers
 330 #define CLS_JAVA_HYBRID         0x200
 331 #define CLS_JAVA_CLASS          0x400
 332 // thread-safe +initialize
 333 #define CLS_INITIALIZING        0x800
 334 // bundle unloading
 335 #define CLS_FROM_BUNDLE         0x1000
 336 // C++ ivar support
 337 #define CLS_HAS_CXX_STRUCTORS   0x2000
 338 // Lazy method list arrays
 339 #define CLS_NO_METHOD_ARRAY     0x4000
 340 // +load implementation
 341 #define CLS_HAS_LOAD_METHOD     0x8000
 342 // objc_allocateClassPair API
 343 #define CLS_CONSTRUCTING        0x10000
 344 // class compiled with bigger class structure
 345 #define CLS_EXT                 0x20000
 346
 347
 348 struct objc_category {
 349     char *category_name                                      OBJC2_UNAVAILABLE;
 350     char *class_name                                         OBJC2_UNAVAILABLE;
 351     struct objc_method_list *instance_methods                OBJC2_UNAVAILABLE;
 352     struct objc_method_list *class_methods                   OBJC2_UNAVAILABLE;
 353     struct objc_protocol_list *protocols                     OBJC2_UNAVAILABLE;
 354 }                                                            OBJC2_UNAVAILABLE;
 355
 356
 357 struct objc_ivar {
 358     char *ivar_name                                          OBJC2_UNAVAILABLE;
 359     char *ivar_type                                          OBJC2_UNAVAILABLE;
 360     int ivar_offset                                          OBJC2_UNAVAILABLE;
 361 #ifdef __LP64__
 362     int space                                                OBJC2_UNAVAILABLE;
 363 #endif
 364 }                                                            OBJC2_UNAVAILABLE;
 365
 366 struct objc_ivar_list {
 367     int ivar_count                                           OBJC2_UNAVAILABLE;
 368 #ifdef __LP64__
 369     int space                                                OBJC2_UNAVAILABLE;
 370 #endif
 371     /* variable length structure */
 372     struct objc_ivar ivar_list[1]                            OBJC2_UNAVAILABLE;
 373 }                                                            OBJC2_UNAVAILABLE;
 374
 375
 376 struct objc_method {
 377     SEL method_name                                          OBJC2_UNAVAILABLE;
 378     char *method_types                                       OBJC2_UNAVAILABLE;
 379     IMP method_imp                                           OBJC2_UNAVAILABLE;
 380 }                                                            OBJC2_UNAVAILABLE;
 381
 382 struct objc_method_list {
 383     struct objc_method_list *obsolete                        OBJC2_UNAVAILABLE;
 384
 385     int method_count                                         OBJC2_UNAVAILABLE;
 386 #ifdef __LP64__
 387     int space                                                OBJC2_UNAVAILABLE;
 388 #endif
 389     /* variable length structure */
 390     struct objc_method method_list[1]                        OBJC2_UNAVAILABLE;
 391 }                                                            OBJC2_UNAVAILABLE;
 392
 393
 394 typedef struct objc_symtab *Symtab                           OBJC2_UNAVAILABLE;
 395
 396 struct objc_symtab {
 397     unsigned long sel_ref_cnt                                OBJC2_UNAVAILABLE;
 398     SEL *refs                                                OBJC2_UNAVAILABLE;
 399     unsigned short cls_def_cnt                               OBJC2_UNAVAILABLE;
 400     unsigned short cat_def_cnt                               OBJC2_UNAVAILABLE;
 401     void *defs[1] /* variable size */                        OBJC2_UNAVAILABLE;
 402 }                                                            OBJC2_UNAVAILABLE;
 403
 404
 405 typedef struct objc_cache *Cache                             OBJC2_UNAVAILABLE;
 406
 407 #define CACHE_BUCKET_NAME(B)  ((B)->method_name)
 408 #define CACHE_BUCKET_IMP(B)   ((B)->method_imp)
 409 #define CACHE_BUCKET_VALID(B) (B)
 410 #ifndef __LP64__
 411 #define CACHE_HASH(sel, mask) (((uintptr_t)(sel)>>2) & (mask))
 412 #else
 413 #define CACHE_HASH(sel, mask) (((unsigned int)((uintptr_t)(sel)>>3)) & (mask))
 414 #endif
 415 struct objc_cache {
 416     unsigned int mask /* total = mask + 1 */                 OBJC2_UNAVAILABLE;
 417     unsigned int occupied                                    OBJC2_UNAVAILABLE;
 418     Method buckets[1]                                        OBJC2_UNAVAILABLE;
 419 } /* GrP fixme should be OBJC2_UNAVAILABLE, but isn't because of spurious warnings in [super ...] calls */;
 420
 421
 422 typedef struct objc_module *Module                           OBJC2_UNAVAILABLE;
 423
 424 struct objc_module {
 425     unsigned long version                                    OBJC2_UNAVAILABLE;
 426     unsigned long size                                       OBJC2_UNAVAILABLE;
 427     const char *name                                         OBJC2_UNAVAILABLE;
 428     Symtab symtab                                            OBJC2_UNAVAILABLE;
 429 }                                                            OBJC2_UNAVAILABLE;
 430
 431 #else
 432
 433 struct objc_method_list;
 434
 435 #endif
 436
 437
 438 /* Obsolete functions */
 439
 440 OBJC_EXPORT BOOL sel_isMapped(SEL sel)                       OBJC2_UNAVAILABLE;
 441
 442 OBJC_EXPORT id object_copyFromZone(id anObject, size_t nBytes, void *z) OBJC2_UNAVAILABLE;
 443 OBJC_EXPORT id object_realloc(id anObject, size_t nBytes)    OBJC2_UNAVAILABLE;
 444 OBJC_EXPORT id object_reallocFromZone(id anObject, size_t nBytes, void *z) OBJC2_UNAVAILABLE;
 445
 446 #define OBSOLETE_OBJC_GETCLASSES 1
 447 OBJC_EXPORT void *objc_getClasses(void)                      OBJC2_UNAVAILABLE;
 448 OBJC_EXPORT void objc_addClass(Class myClass)                OBJC2_UNAVAILABLE;
 449 OBJC_EXPORT void objc_setClassHandler(int (*)(const char *)) OBJC2_UNAVAILABLE;
 450 OBJC_EXPORT void objc_setMultithreaded (BOOL flag)           OBJC2_UNAVAILABLE;
 451
 452 OBJC_EXPORT id class_createInstanceFromZone(Class, size_t idxIvars, void *z) OBJC2_UNAVAILABLE;
 453
 454 OBJC_EXPORT void class_addMethods(Class, struct objc_method_list *) OBJC2_UNAVAILABLE;
 455 OBJC_EXPORT void class_removeMethods(Class, struct objc_method_list *) OBJC2_UNAVAILABLE;
 456
 457 OBJC_EXPORT Class class_poseAs(Class imposter, Class original) OBJC2_UNAVAILABLE;
 458
 459 OBJC_EXPORT unsigned int method_getSizeOfArguments(Method m) OBJC2_UNAVAILABLE;
 460 OBJC_EXPORT unsigned method_getArgumentInfo(struct objc_method *m, int arg, const char **type, int *offset) OBJC2_UNAVAILABLE;
 461
 462 OBJC_EXPORT BOOL class_respondsToMethod(Class, SEL)          OBJC2_UNAVAILABLE;
 463 OBJC_EXPORT IMP class_lookupMethod(Class, SEL)               OBJC2_UNAVAILABLE;
 464 OBJC_EXPORT Class objc_getOrigClass(const char *name)        OBJC2_UNAVAILABLE;
 465 #define OBJC_NEXT_METHOD_LIST 1
 466 OBJC_EXPORT struct objc_method_list *class_nextMethodList(Class, void **) OBJC2_UNAVAILABLE;
 467 // usage for nextMethodList
 468 //
 469 // void *iterator = 0;
 470 // struct objc_method_list *mlist;
 471 // while ( mlist = class_nextMethodList( cls, &iterator ) )
 472 //    ;
 473
 474 OBJC_EXPORT id (*_alloc)(Class, size_t)                      OBJC2_UNAVAILABLE;
 475 OBJC_EXPORT id (*_copy)(id, size_t)                          OBJC2_UNAVAILABLE;
 476 OBJC_EXPORT id (*_realloc)(id, size_t)                       OBJC2_UNAVAILABLE;
 477 OBJC_EXPORT id (*_dealloc)(id)                               OBJC2_UNAVAILABLE;
 478 OBJC_EXPORT id (*_zoneAlloc)(Class, size_t, void *)          OBJC2_UNAVAILABLE;
 479 OBJC_EXPORT id (*_zoneRealloc)(id, size_t, void *)           OBJC2_UNAVAILABLE;
 480 OBJC_EXPORT id (*_zoneCopy)(id, size_t, void *)              OBJC2_UNAVAILABLE;
 481 OBJC_EXPORT void (*_error)(id, const char *, va_list)        OBJC2_UNAVAILABLE;
 482
 483 #endif