dyld3/shared-cache/MachOFileAbstraction.hpp

   1 /* -*- mode: C++; c-basic-offset: 4; tab-width: 4 -*-
   2  *
   3  * Copyright (c) 2005 Apple Computer, Inc. All rights reserved.
   4  *
   5  * @APPLE_LICENSE_HEADER_START@
   6  *
   7  * This file contains Original Code and/or Modifications of Original Code
   8  * as defined in and that are subject to the Apple Public Source License
   9  * Version 2.0 (the 'License'). You may not use this file except in
  10  * compliance with the License. Please obtain a copy of the License at
  11  * http://www.opensource.apple.com/apsl/ and read it before using this
  12  * file.
  13  *
  14  * The Original Code and all software distributed under the License are
  15  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  16  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  17  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  18  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  19  * Please see the License for the specific language governing rights and
  20  * limitations under the License.
  21  *
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  23 */
  24 #ifndef __MACH_O_FILE_ABSTRACTION__
  25 #define __MACH_O_FILE_ABSTRACTION__
  26
  27 #include <mach-o/loader.h>
  28 #include <mach-o/nlist.h>
  29 #include <mach-o/reloc.h>
  30 #include <mach/machine.h>
  31
  32 // suport older versions of mach-o/loader.h
  33 #ifndef LC_UUID
  34 #define LC_UUID         0x1b
  35 struct uuid_command {
  36     uint32_t    cmd;            /* LC_UUID */
  37     uint32_t    cmdsize;        /* sizeof(struct uuid_command) */
  38     uint8_t     uuid[16];       /* the 128-bit uuid */
  39 };
  40 #endif
  41
  42 #ifndef S_16BYTE_LITERALS
  43         #define S_16BYTE_LITERALS 0xE
  44 #endif
  45
  46 #ifndef CPU_SUBTYPE_ARM_V5TEJ
  47         #define CPU_SUBTYPE_ARM_V5TEJ           ((cpu_subtype_t) 7)
  48 #endif
  49 #ifndef CPU_SUBTYPE_ARM_XSCALE
  50         #define CPU_SUBTYPE_ARM_XSCALE          ((cpu_subtype_t) 8)
  51 #endif
  52 #ifndef CPU_SUBTYPE_ARM_V7
  53         #define CPU_SUBTYPE_ARM_V7                      ((cpu_subtype_t) 9)
  54 #endif
  55 #ifndef CPU_SUBTYPE_ARM_V7F
  56         #define CPU_SUBTYPE_ARM_V7F                     ((cpu_subtype_t) 10)
  57 #endif
  58 #ifndef CPU_SUBTYPE_ARM_V7K
  59         #define CPU_SUBTYPE_ARM_V7K                     ((cpu_subtype_t) 12)
  60 #endif
  61 #ifndef CPU_SUBTYPE_ARM_V7S
  62         #define CPU_SUBTYPE_ARM_V7S                     ((cpu_subtype_t) 11)
  63 #endif
  64 #ifndef CPU_SUBTYPE_ARM64_ALL
  65         #define CPU_SUBTYPE_ARM64_ALL           ((cpu_subtype_t) 0)
  66 #endif
  67 #ifndef CPU_TYPE_ARM64
  68         #define CPU_TYPE_ARM64                          ((cpu_type_t) (CPU_TYPE_ARM | CPU_ARCH_ABI64))
  69 #endif
  70
  71 #define ARM64_RELOC_UNSIGNED            0 // for pointers
  72
  73
  74 #ifndef LC_LOAD_UPWARD_DYLIB
  75         #define LC_LOAD_UPWARD_DYLIB (0x23|LC_REQ_DYLD) /* load of dylib whose initializers run later */
  76 #endif
  77
  78 #ifndef EXPORT_SYMBOL_FLAGS_STUB_AND_RESOLVER
  79         #define EXPORT_SYMBOL_FLAGS_STUB_AND_RESOLVER 0x10
  80 #endif
  81 #ifndef EXPORT_SYMBOL_FLAGS_REEXPORT
  82         #define EXPORT_SYMBOL_FLAGS_REEXPORT 0x08
  83 #endif
  84
  85 #ifndef LC_FUNCTION_STARTS
  86         #define LC_FUNCTION_STARTS 0x26
  87 #endif
  88
  89 #ifndef LC_DATA_IN_CODE
  90         #define LC_DATA_IN_CODE 0x29
  91 #endif
  92
  93 #ifndef LC_DYLIB_CODE_SIGN_DRS
  94         #define LC_DYLIB_CODE_SIGN_DRS 0x2B
  95 #endif
  96
  97 #ifndef CPU_SUBTYPE_X86_64_H
  98         #define CPU_SUBTYPE_X86_64_H            ((cpu_subtype_t) 8)
  99 #endif
 100
 101
 102 #define DYLD_CACHE_ADJ_V2_FORMAT                                0x7F
 103
 104 #define DYLD_CACHE_ADJ_V2_POINTER_32                    0x01
 105 #define DYLD_CACHE_ADJ_V2_POINTER_64                    0x02
 106 #define DYLD_CACHE_ADJ_V2_DELTA_32                          0x03
 107 #define DYLD_CACHE_ADJ_V2_DELTA_64                          0x04
 108 #define DYLD_CACHE_ADJ_V2_ARM64_ADRP                    0x05
 109 #define DYLD_CACHE_ADJ_V2_ARM64_OFF12                   0x06
 110 #define DYLD_CACHE_ADJ_V2_ARM64_BR26                    0x07
 111 #define DYLD_CACHE_ADJ_V2_ARM_MOVW_MOVT                 0x08
 112 #define DYLD_CACHE_ADJ_V2_ARM_BR24                              0x09
 113 #define DYLD_CACHE_ADJ_V2_THUMB_MOVW_MOVT               0x0A
 114 #define DYLD_CACHE_ADJ_V2_THUMB_BR22                    0x0B
 115 #define DYLD_CACHE_ADJ_V2_IMAGE_OFF_32                  0x0C
 116
 117 #define MH_HAS_OBJC                     0x40000000
 118
 119 #include "FileAbstraction.hpp"
 120 //#include "Architectures.hpp"
 121
 122 // utility to pair together a cpu-type and cpu-sub-type
 123 struct ArchPair
 124 {
 125         uint32_t        arch;
 126         uint32_t        subtype;
 127
 128         ArchPair(uint32_t cputype, uint32_t cpusubtype) : arch(cputype), subtype(cpusubtype) {}
 129
 130         bool operator<(const ArchPair& other) const {
 131                 if ( this->arch != other.arch )
 132                         return (this->arch < other.arch);
 133                 return (this->subtype < other.subtype);
 134         }
 135
 136         bool operator==(const ArchPair& other) const {
 137         return this->arch == other.arch  &&  this->subtype == other.subtype;
 138         }
 139 };
 140
 141
 142 //
 143 // This abstraction layer makes every mach-o file look like a 64-bit mach-o file with native endianness
 144 //
 145
 146 //
 147 // mach-o load command
 148 //
 149 template <typename P>
 150 class macho_load_command {
 151 public:
 152         uint32_t                cmd() const                                             INLINE { return E::get32(command.cmd); }
 153         void                    set_cmd(uint32_t value)                 INLINE { E::set32(command.cmd, value); }
 154
 155         uint32_t                cmdsize() const                                 INLINE { return E::get32(command.cmdsize); }
 156         void                    set_cmdsize(uint32_t value)             INLINE { E::set32(command.cmdsize, value); }
 157
 158         typedef typename P::E           E;
 159 private:
 160         load_command    command;
 161 };
 162
 163
 164 //
 165 // mach-o segment load command
 166 //
 167 template <typename P> struct macho_segment_content {};
 168 template <> struct macho_segment_content<Pointer32<BigEndian> >    { segment_command    fields; enum { CMD = LC_SEGMENT         }; };
 169 template <> struct macho_segment_content<Pointer64<BigEndian> >    { segment_command_64 fields; enum { CMD = LC_SEGMENT_64      }; };
 170 template <> struct macho_segment_content<Pointer32<LittleEndian> > { segment_command    fields; enum { CMD = LC_SEGMENT         }; };
 171 template <> struct macho_segment_content<Pointer64<LittleEndian> > { segment_command_64 fields; enum { CMD = LC_SEGMENT_64      }; };
 172
 173 template <typename P>
 174 class macho_segment_command {
 175 public:
 176         uint32_t                cmd() const                                             INLINE { return E::get32(segment.fields.cmd); }
 177         void                    set_cmd(uint32_t value)                 INLINE { E::set32(segment.fields.cmd, value); }
 178
 179         uint32_t                cmdsize() const                                 INLINE { return E::get32(segment.fields.cmdsize); }
 180         void                    set_cmdsize(uint32_t value)             INLINE { E::set32(segment.fields.cmdsize, value); }
 181
 182         const char*             segname() const                                 INLINE { return segment.fields.segname; }
 183         void                    set_segname(const char* value)  INLINE { strncpy(segment.fields.segname, value, 16); }
 184
 185         uint64_t                vmaddr() const                                  INLINE { return P::getP(segment.fields.vmaddr); }
 186         void                    set_vmaddr(uint64_t value)              INLINE { P::setP(segment.fields.vmaddr, value); }
 187
 188         uint64_t                vmsize() const                                  INLINE { return P::getP(segment.fields.vmsize); }
 189         void                    set_vmsize(uint64_t value)              INLINE { P::setP(segment.fields.vmsize, value); }
 190
 191         uint64_t                fileoff() const                                 INLINE { return P::getP(segment.fields.fileoff); }
 192         void                    set_fileoff(uint64_t value)             INLINE { P::setP(segment.fields.fileoff, value); }
 193
 194         uint64_t                filesize() const                                INLINE { return P::getP(segment.fields.filesize); }
 195         void                    set_filesize(uint64_t value)    INLINE { P::setP(segment.fields.filesize, value); }
 196
 197         uint32_t                maxprot() const                                 INLINE { return E::get32(segment.fields.maxprot); }
 198         void                    set_maxprot(uint32_t value)             INLINE { E::set32((uint32_t&)segment.fields.maxprot, value); }
 199
 200         uint32_t                initprot() const                                INLINE { return E::get32(segment.fields.initprot); }
 201         void                    set_initprot(uint32_t value)    INLINE { E::set32((uint32_t&)segment.fields.initprot, value); }
 202
 203         uint32_t                nsects() const                                  INLINE { return E::get32(segment.fields.nsects); }
 204         void                    set_nsects(uint32_t value)              INLINE { E::set32(segment.fields.nsects, value); }
 205
 206         uint32_t                flags() const                                   INLINE { return E::get32(segment.fields.flags); }
 207         void                    set_flags(uint32_t value)               INLINE { E::set32(segment.fields.flags, value); }
 208
 209         enum {
 210                 CMD = macho_segment_content<P>::CMD
 211         };
 212
 213         typedef typename P::E           E;
 214 private:
 215         macho_segment_content<P>        segment;
 216 };
 217
 218
 219 //
 220 // mach-o section
 221 //
 222 template <typename P> struct macho_section_content {};
 223 template <> struct macho_section_content<Pointer32<BigEndian> >    { section    fields; };
 224 template <> struct macho_section_content<Pointer64<BigEndian> >    { section_64 fields; };
 225 template <> struct macho_section_content<Pointer32<LittleEndian> > { section    fields; };
 226 template <> struct macho_section_content<Pointer64<LittleEndian> > { section_64 fields; };
 227
 228 template <typename P>
 229 class macho_section {
 230 public:
 231         const char*             sectname() const                                INLINE { return section.fields.sectname; }
 232         void                    set_sectname(const char* value) INLINE { strncpy(section.fields.sectname, value, 16); }
 233
 234         const char*             segname() const                                 INLINE { return section.fields.segname; }
 235         void                    set_segname(const char* value)  INLINE { strncpy(section.fields.segname, value, 16); }
 236
 237         uint64_t                addr() const                                    INLINE { return P::getP(section.fields.addr); }
 238         void                    set_addr(uint64_t value)                INLINE { P::setP(section.fields.addr, value); }
 239
 240         uint64_t                size() const                                    INLINE { return P::getP(section.fields.size); }
 241         void                    set_size(uint64_t value)                INLINE { P::setP(section.fields.size, value); }
 242
 243         uint32_t                offset() const                                  INLINE { return E::get32(section.fields.offset); }
 244         void                    set_offset(uint32_t value)              INLINE { E::set32(section.fields.offset, value); }
 245
 246         uint32_t                align() const                                   INLINE { return E::get32(section.fields.align); }
 247         void                    set_align(uint32_t value)               INLINE { E::set32(section.fields.align, value); }
 248
 249         uint32_t                reloff() const                                  INLINE { return E::get32(section.fields.reloff); }
 250         void                    set_reloff(uint32_t value)              INLINE { E::set32(section.fields.reloff, value); }
 251
 252         uint32_t                nreloc() const                                  INLINE { return E::get32(section.fields.nreloc); }
 253         void                    set_nreloc(uint32_t value)              INLINE { E::set32(section.fields.nreloc, value); }
 254
 255         uint32_t                flags() const                                   INLINE { return E::get32(section.fields.flags); }
 256         void                    set_flags(uint32_t value)               INLINE { E::set32(section.fields.flags, value); }
 257
 258         uint32_t                reserved1() const                               INLINE { return E::get32(section.fields.reserved1); }
 259         void                    set_reserved1(uint32_t value)   INLINE { E::set32(section.fields.reserved1, value); }
 260
 261         uint32_t                reserved2() const                               INLINE { return E::get32(section.fields.reserved2); }
 262         void                    set_reserved2(uint32_t value)   INLINE { E::set32(section.fields.reserved2, value); }
 263
 264         typedef typename P::E           E;
 265 private:
 266         macho_section_content<P>        section;
 267 };
 268
 269
 270 //
 271 // mach-o dylib load command
 272 //
 273 template <typename P>
 274 class macho_dylib_command {
 275 public:
 276         uint32_t                cmd() const                                                                     INLINE { return E::get32(fields.cmd); }
 277         void                    set_cmd(uint32_t value)                                         INLINE { E::set32(fields.cmd, value); }
 278
 279         uint32_t                cmdsize() const                                                         INLINE { return E::get32(fields.cmdsize); }
 280         void                    set_cmdsize(uint32_t value)                                     INLINE { E::set32(fields.cmdsize, value); }
 281
 282         uint32_t                name_offset() const                                                     INLINE { return E::get32(fields.dylib.name.offset); }
 283         void                    set_name_offset(uint32_t value)                         INLINE { E::set32(fields.dylib.name.offset, value);  }
 284
 285         uint32_t                timestamp() const                                                       INLINE { return E::get32(fields.dylib.timestamp); }
 286         void                    set_timestamp(uint32_t value)                           INLINE { E::set32(fields.dylib.timestamp, value); }
 287
 288         uint32_t                current_version() const                                         INLINE { return E::get32(fields.dylib.current_version); }
 289         void                    set_current_version(uint32_t value)                     INLINE { E::set32(fields.dylib.current_version, value); }
 290
 291         uint32_t                compatibility_version() const                           INLINE { return E::get32(fields.dylib.compatibility_version); }
 292         void                    set_compatibility_version(uint32_t value)       INLINE { E::set32(fields.dylib.compatibility_version, value); }
 293
 294         const char*             name() const                                                            INLINE { return (const char*)&fields + name_offset(); }
 295         void                    set_name_offset()                                                       INLINE { set_name_offset(sizeof(fields)); }
 296
 297         typedef typename P::E           E;
 298 private:
 299         dylib_command   fields;
 300 };
 301
 302
 303 //
 304 // mach-o dylinker load command
 305 //
 306 template <typename P>
 307 class macho_dylinker_command {
 308 public:
 309         uint32_t                cmd() const                                                     INLINE { return E::get32(fields.cmd); }
 310         void                    set_cmd(uint32_t value)                         INLINE { E::set32(fields.cmd, value); }
 311
 312         uint32_t                cmdsize() const                                         INLINE { return E::get32(fields.cmdsize); }
 313         void                    set_cmdsize(uint32_t value)                     INLINE { E::set32(fields.cmdsize, value); }
 314
 315         uint32_t                name_offset() const                                     INLINE { return E::get32(fields.name.offset); }
 316         void                    set_name_offset(uint32_t value)         INLINE { E::set32(fields.name.offset, value);  }
 317
 318         const char*             name() const                                            INLINE { return (const char*)&fields + name_offset(); }
 319         void                    set_name_offset()                                       INLINE { set_name_offset(sizeof(fields)); }
 320
 321         typedef typename P::E           E;
 322 private:
 323         dylinker_command        fields;
 324 };
 325
 326
 327 //
 328 // mach-o sub_framework load command
 329 //
 330 template <typename P>
 331 class macho_sub_framework_command {
 332 public:
 333         uint32_t                cmd() const                                                     INLINE { return E::get32(fields.cmd); }
 334         void                    set_cmd(uint32_t value)                         INLINE { E::set32(fields.cmd, value); }
 335
 336         uint32_t                cmdsize() const                                         INLINE { return E::get32(fields.cmdsize); }
 337         void                    set_cmdsize(uint32_t value)                     INLINE { E::set32(fields.cmdsize, value); }
 338
 339         uint32_t                umbrella_offset() const                         INLINE { return E::get32(fields.umbrella.offset); }
 340         void                    set_umbrella_offset(uint32_t value)     INLINE { E::set32(fields.umbrella.offset, value);  }
 341
 342         const char*             umbrella() const                                        INLINE { return (const char*)&fields + umbrella_offset(); }
 343         void                    set_umbrella_offset()                           INLINE { set_umbrella_offset(sizeof(fields)); }
 344
 345         typedef typename P::E           E;
 346 private:
 347         sub_framework_command   fields;
 348 };
 349
 350
 351 //
 352 // mach-o sub_client load command
 353 //
 354 template <typename P>
 355 class macho_sub_client_command {
 356 public:
 357         uint32_t                cmd() const                                                     INLINE { return E::get32(fields.cmd); }
 358         void                    set_cmd(uint32_t value)                         INLINE { E::set32(fields.cmd, value); }
 359
 360         uint32_t                cmdsize() const                                         INLINE { return E::get32(fields.cmdsize); }
 361         void                    set_cmdsize(uint32_t value)                     INLINE { E::set32(fields.cmdsize, value); }
 362
 363         uint32_t                client_offset() const                           INLINE { return E::get32(fields.client.offset); }
 364         void                    set_client_offset(uint32_t value)       INLINE { E::set32(fields.client.offset, value);  }
 365
 366         const char*             client() const                                          INLINE { return (const char*)&fields + client_offset(); }
 367         void                    set_client_offset()                                     INLINE { set_client_offset(sizeof(fields)); }
 368
 369         typedef typename P::E           E;
 370 private:
 371         sub_client_command      fields;
 372 };
 373
 374
 375 //
 376 // mach-o sub_umbrella load command
 377 //
 378 template <typename P>
 379 class macho_sub_umbrella_command {
 380 public:
 381         uint32_t                cmd() const                                                             INLINE { return E::get32(fields.cmd); }
 382         void                    set_cmd(uint32_t value)                                 INLINE { E::set32(fields.cmd, value); }
 383
 384         uint32_t                cmdsize() const                                                 INLINE { return E::get32(fields.cmdsize); }
 385         void                    set_cmdsize(uint32_t value)                             INLINE { E::set32(fields.cmdsize, value); }
 386
 387         uint32_t                sub_umbrella_offset() const                             INLINE { return E::get32(fields.sub_umbrella.offset); }
 388         void                    set_sub_umbrella_offset(uint32_t value) INLINE { E::set32(fields.sub_umbrella.offset, value);  }
 389
 390         const char*             sub_umbrella() const                                    INLINE { return (const char*)&fields + sub_umbrella_offset(); }
 391         void                    set_sub_umbrella_offset()                               INLINE { set_sub_umbrella_offset(sizeof(fields)); }
 392
 393         typedef typename P::E           E;
 394 private:
 395         sub_umbrella_command    fields;
 396 };
 397
 398
 399 //
 400 // mach-o sub_library load command
 401 //
 402 template <typename P>
 403 class macho_sub_library_command {
 404 public:
 405         uint32_t                cmd() const                                                             INLINE { return E::get32(fields.cmd); }
 406         void                    set_cmd(uint32_t value)                                 INLINE { E::set32(fields.cmd, value); }
 407
 408         uint32_t                cmdsize() const                                                 INLINE { return E::get32(fields.cmdsize); }
 409         void                    set_cmdsize(uint32_t value)                             INLINE { E::set32(fields.cmdsize, value); }
 410
 411         uint32_t                sub_library_offset() const                              INLINE { return E::get32(fields.sub_library.offset); }
 412         void                    set_sub_library_offset(uint32_t value)  INLINE { E::set32(fields.sub_library.offset, value);  }
 413
 414         const char*             sub_library() const                                             INLINE { return (const char*)&fields + sub_library_offset(); }
 415         void                    set_sub_library_offset()                                INLINE { set_sub_library_offset(sizeof(fields)); }
 416
 417         typedef typename P::E           E;
 418 private:
 419         sub_library_command     fields;
 420 };
 421
 422
 423 //
 424 // mach-o uuid load command
 425 //
 426 template <typename P>
 427 class macho_uuid_command {
 428 public:
 429         uint32_t                cmd() const                                                             INLINE { return E::get32(fields.cmd); }
 430         void                    set_cmd(uint32_t value)                                 INLINE { E::set32(fields.cmd, value); }
 431
 432         uint32_t                cmdsize() const                                                 INLINE { return E::get32(fields.cmdsize); }
 433         void                    set_cmdsize(uint32_t value)                             INLINE { E::set32(fields.cmdsize, value); }
 434
 435         const uint8_t*  uuid() const                                                    INLINE { return fields.uuid; }
 436         void                    set_uuid(uint8_t value[16])                             INLINE { memcpy(&fields.uuid, value, 16); }
 437
 438         typedef typename P::E           E;
 439 private:
 440         uuid_command    fields;
 441 };
 442
 443
 444 //
 445 // mach-o routines load command
 446 //
 447 template <typename P> struct macho_routines_content {};
 448 template <> struct macho_routines_content<Pointer32<BigEndian> >    { routines_command          fields; enum { CMD = LC_ROUTINES        }; };
 449 template <> struct macho_routines_content<Pointer64<BigEndian> >        { routines_command_64   fields; enum { CMD = LC_ROUTINES_64     }; };
 450 template <> struct macho_routines_content<Pointer32<LittleEndian> > { routines_command          fields; enum { CMD = LC_ROUTINES        }; };
 451 template <> struct macho_routines_content<Pointer64<LittleEndian> > { routines_command_64       fields; enum { CMD = LC_ROUTINES_64     }; };
 452
 453 template <typename P>
 454 class macho_routines_command {
 455 public:
 456         uint32_t                cmd() const                                                     INLINE { return E::get32(routines.fields.cmd); }
 457         void                    set_cmd(uint32_t value)                         INLINE { E::set32(routines.fields.cmd, value); }
 458
 459         uint32_t                cmdsize() const                                         INLINE { return E::get32(routines.fields.cmdsize); }
 460         void                    set_cmdsize(uint32_t value)                     INLINE { E::set32(routines.fields.cmdsize, value); }
 461
 462         uint64_t                init_address() const                            INLINE { return P::getP(routines.fields.init_address); }
 463         void                    set_init_address(uint64_t value)        INLINE { P::setP(routines.fields.init_address, value); }
 464
 465         uint64_t                init_module() const                                     INLINE { return P::getP(routines.fields.init_module); }
 466         void                    set_init_module(uint64_t value)         INLINE { P::setP(routines.fields.init_module, value); }
 467
 468         uint64_t                reserved1() const                                       INLINE { return P::getP(routines.fields.reserved1); }
 469         void                    set_reserved1(uint64_t value)           INLINE { P::setP(routines.fields.reserved1, value); }
 470
 471         uint64_t                reserved2() const                                       INLINE { return P::getP(routines.fields.reserved2); }
 472         void                    set_reserved2(uint64_t value)           INLINE { P::setP(routines.fields.reserved2, value); }
 473
 474         uint64_t                reserved3() const                                       INLINE { return P::getP(routines.fields.reserved3); }
 475         void                    set_reserved3(uint64_t value)           INLINE { P::setP(routines.fields.reserved3, value); }
 476
 477         uint64_t                reserved4() const                                       INLINE { return P::getP(routines.fields.reserved4); }
 478         void                    set_reserved4(uint64_t value)           INLINE { P::setP(routines.fields.reserved4, value); }
 479
 480         uint64_t                reserved5() const                                       INLINE { return P::getP(routines.fields.reserved5); }
 481         void                    set_reserved5(uint64_t value)           INLINE { P::setP(routines.fields.reserved5, value); }
 482
 483         uint64_t                reserved6() const                                       INLINE { return P::getP(routines.fields.reserved6); }
 484         void                    set_reserved6(uint64_t value)           INLINE { P::setP(routines.fields.reserved6, value); }
 485
 486         typedef typename P::E           E;
 487         enum {
 488                 CMD = macho_routines_content<P>::CMD
 489         };
 490 private:
 491         macho_routines_content<P>       routines;
 492 };
 493
 494
 495 //
 496 // mach-o symbol table load command
 497 //
 498 template <typename P>
 499 class macho_symtab_command {
 500 public:
 501         uint32_t                cmd() const                                     INLINE { return E::get32(fields.cmd); }
 502         void                    set_cmd(uint32_t value)         INLINE { E::set32(fields.cmd, value); }
 503
 504         uint32_t                cmdsize() const                         INLINE { return E::get32(fields.cmdsize); }
 505         void                    set_cmdsize(uint32_t value)     INLINE { E::set32(fields.cmdsize, value); }
 506
 507         uint32_t                symoff() const                          INLINE { return E::get32(fields.symoff); }
 508         void                    set_symoff(uint32_t value)      INLINE { E::set32(fields.symoff, value);  }
 509
 510         uint32_t                nsyms() const                           INLINE { return E::get32(fields.nsyms); }
 511         void                    set_nsyms(uint32_t value)       INLINE { E::set32(fields.nsyms, value);  }
 512
 513         uint32_t                stroff() const                          INLINE { return E::get32(fields.stroff); }
 514         void                    set_stroff(uint32_t value)      INLINE { E::set32(fields.stroff, value);  }
 515
 516         uint32_t                strsize() const                         INLINE { return E::get32(fields.strsize); }
 517         void                    set_strsize(uint32_t value)     INLINE { E::set32(fields.strsize, value);  }
 518
 519
 520         typedef typename P::E           E;
 521 private:
 522         symtab_command  fields;
 523 };
 524
 525
 526 //
 527 // mach-o dynamic symbol table load command
 528 //
 529 template <typename P>
 530 class macho_dysymtab_command {
 531 public:
 532         uint32_t                cmd() const                                                     INLINE { return E::get32(fields.cmd); }
 533         void                    set_cmd(uint32_t value)                         INLINE { E::set32(fields.cmd, value); }
 534
 535         uint32_t                cmdsize() const                                         INLINE { return E::get32(fields.cmdsize); }
 536         void                    set_cmdsize(uint32_t value)                     INLINE { E::set32(fields.cmdsize, value); }
 537
 538         uint32_t                ilocalsym() const                                       INLINE { return E::get32(fields.ilocalsym); }
 539         void                    set_ilocalsym(uint32_t value)           INLINE { E::set32(fields.ilocalsym, value);  }
 540
 541         uint32_t                nlocalsym() const                                       INLINE { return E::get32(fields.nlocalsym); }
 542         void                    set_nlocalsym(uint32_t value)           INLINE { E::set32(fields.nlocalsym, value);  }
 543
 544         uint32_t                iextdefsym() const                                      INLINE { return E::get32(fields.iextdefsym); }
 545         void                    set_iextdefsym(uint32_t value)          INLINE { E::set32(fields.iextdefsym, value);  }
 546
 547         uint32_t                nextdefsym() const                                      INLINE { return E::get32(fields.nextdefsym); }
 548         void                    set_nextdefsym(uint32_t value)          INLINE { E::set32(fields.nextdefsym, value);  }
 549
 550         uint32_t                iundefsym() const                                       INLINE { return E::get32(fields.iundefsym); }
 551         void                    set_iundefsym(uint32_t value)           INLINE { E::set32(fields.iundefsym, value);  }
 552
 553         uint32_t                nundefsym() const                                       INLINE { return E::get32(fields.nundefsym); }
 554         void                    set_nundefsym(uint32_t value)           INLINE { E::set32(fields.nundefsym, value);  }
 555
 556         uint32_t                tocoff() const                                          INLINE { return E::get32(fields.tocoff); }
 557         void                    set_tocoff(uint32_t value)                      INLINE { E::set32(fields.tocoff, value);  }
 558
 559         uint32_t                ntoc() const                                            INLINE { return E::get32(fields.ntoc); }
 560         void                    set_ntoc(uint32_t value)                        INLINE { E::set32(fields.ntoc, value);  }
 561
 562         uint32_t                modtaboff() const                                       INLINE { return E::get32(fields.modtaboff); }
 563         void                    set_modtaboff(uint32_t value)           INLINE { E::set32(fields.modtaboff, value);  }
 564
 565         uint32_t                nmodtab() const                                         INLINE { return E::get32(fields.nmodtab); }
 566         void                    set_nmodtab(uint32_t value)                     INLINE { E::set32(fields.nmodtab, value);  }
 567
 568         uint32_t                extrefsymoff() const                            INLINE { return E::get32(fields.extrefsymoff); }
 569         void                    set_extrefsymoff(uint32_t value)        INLINE { E::set32(fields.extrefsymoff, value);  }
 570
 571         uint32_t                nextrefsyms() const                                     INLINE { return E::get32(fields.nextrefsyms); }
 572         void                    set_nextrefsyms(uint32_t value)         INLINE { E::set32(fields.nextrefsyms, value);  }
 573
 574         uint32_t                indirectsymoff() const                          INLINE { return E::get32(fields.indirectsymoff); }
 575         void                    set_indirectsymoff(uint32_t value)      INLINE { E::set32(fields.indirectsymoff, value);  }
 576
 577         uint32_t                nindirectsyms() const                           INLINE { return E::get32(fields.nindirectsyms); }
 578         void                    set_nindirectsyms(uint32_t value)       INLINE { E::set32(fields.nindirectsyms, value);  }
 579
 580         uint32_t                extreloff() const                                       INLINE { return E::get32(fields.extreloff); }
 581         void                    set_extreloff(uint32_t value)           INLINE { E::set32(fields.extreloff, value);  }
 582
 583         uint32_t                nextrel() const                                         INLINE { return E::get32(fields.nextrel); }
 584         void                    set_nextrel(uint32_t value)                     INLINE { E::set32(fields.nextrel, value);  }
 585
 586         uint32_t                locreloff() const                                       INLINE { return E::get32(fields.locreloff); }
 587         void                    set_locreloff(uint32_t value)           INLINE { E::set32(fields.locreloff, value);  }
 588
 589         uint32_t                nlocrel() const                                         INLINE { return E::get32(fields.nlocrel); }
 590         void                    set_nlocrel(uint32_t value)                     INLINE { E::set32(fields.nlocrel, value);  }
 591
 592         typedef typename P::E           E;
 593 private:
 594         dysymtab_command        fields;
 595 };
 596
 597
 598 //
 599 // mach-o two-level hints load command
 600 //
 601 template <typename P>
 602 class macho_twolevel_hints_command {
 603 public:
 604         uint32_t                cmd() const                                     INLINE { return E::get32(fields.cmd); }
 605         void                    set_cmd(uint32_t value)         INLINE { E::set32(fields.cmd, value); }
 606
 607         uint32_t                cmdsize() const                         INLINE { return E::get32(fields.cmdsize); }
 608         void                    set_cmdsize(uint32_t value)     INLINE { E::set32(fields.cmdsize, value); }
 609
 610         uint32_t                offset() const                          INLINE { return E::get32(fields.offset); }
 611         void                    set_offset(uint32_t value)      INLINE { E::set32(fields.offset, value);  }
 612
 613         uint32_t                nhints() const                          INLINE { return E::get32(fields.nhints); }
 614         void                    set_nhints(uint32_t value)      INLINE { E::set32(fields.nhints, value);  }
 615
 616         typedef typename P::E           E;
 617 private:
 618         twolevel_hints_command  fields;
 619 };
 620
 621
 622 //
 623 // mach-o threads load command
 624 //
 625 template <typename P>
 626 class macho_thread_command {
 627 public:
 628         uint32_t                cmd() const                                                                                     INLINE { return E::get32(fields.cmd); }
 629         void                    set_cmd(uint32_t value)                                                         INLINE { E::set32(fields.cmd, value); }
 630
 631         uint32_t                cmdsize() const                                                                         INLINE { return E::get32(fields.cmdsize); }
 632         void                    set_cmdsize(uint32_t value)                                                     INLINE { E::set32(fields.cmdsize, value); }
 633
 634         uint32_t                flavor() const                                                                          INLINE { return E::get32(fields_flavor); }
 635         void                    set_flavor(uint32_t value)                                                      INLINE { E::set32(fields_flavor, value);  }
 636
 637         uint32_t                count() const                                                                           INLINE { return E::get32(fields_count); }
 638         void                    set_count(uint32_t value)                                                       INLINE { E::set32(fields_count, value);  }
 639
 640         uint64_t                thread_register(uint32_t index) const                           INLINE { return P::getP(thread_registers[index]); }
 641         void                    set_thread_register(uint32_t index, uint64_t value)     INLINE { P::setP(thread_registers[index], value); }
 642
 643         typedef typename P::E           E;
 644         typedef typename P::uint_t      pint_t;
 645 private:
 646         struct thread_command   fields;
 647         uint32_t                                fields_flavor;
 648         uint32_t                                fields_count;
 649         pint_t                                  thread_registers[1];
 650 };
 651
 652
 653 //
 654 // mach-o misc data
 655 //
 656 template <typename P>
 657 class macho_linkedit_data_command {
 658 public:
 659         uint32_t                cmd() const                                     INLINE { return E::get32(fields.cmd); }
 660         void                    set_cmd(uint32_t value)         INLINE { E::set32(fields.cmd, value); }
 661
 662         uint32_t                cmdsize() const                         INLINE { return E::get32(fields.cmdsize); }
 663         void                    set_cmdsize(uint32_t value)     INLINE { E::set32(fields.cmdsize, value); }
 664
 665         uint32_t                dataoff() const                         INLINE { return E::get32(fields.dataoff); }
 666         void                    set_dataoff(uint32_t value)     INLINE { E::set32(fields.dataoff, value);  }
 667
 668         uint32_t                datasize() const                        INLINE { return E::get32(fields.datasize); }
 669         void                    set_datasize(uint32_t value)INLINE { E::set32(fields.datasize, value);  }
 670
 671
 672         typedef typename P::E           E;
 673 private:
 674         linkedit_data_command   fields;
 675 };
 676
 677
 678 //
 679 // mach-o symbol table entry
 680 //
 681 template <typename P> struct macho_nlist_content {};
 682 template <> struct macho_nlist_content<Pointer32<BigEndian> >    { struct nlist         fields; };
 683 template <> struct macho_nlist_content<Pointer64<BigEndian> >    { struct nlist_64      fields; };
 684 template <> struct macho_nlist_content<Pointer32<LittleEndian> > { struct nlist         fields; };
 685 template <> struct macho_nlist_content<Pointer64<LittleEndian> > { struct nlist_64      fields; };
 686
 687 template <typename P>
 688 class macho_nlist {
 689 public:
 690         uint32_t                n_strx() const                                  INLINE { return E::get32(entry.fields.n_un.n_strx); }
 691         void                    set_n_strx(uint32_t value)              INLINE { E::set32((uint32_t&)entry.fields.n_un.n_strx, value); }
 692
 693         uint8_t                 n_type() const                                  INLINE { return entry.fields.n_type; }
 694         void                    set_n_type(uint8_t value)               INLINE { entry.fields.n_type = value; }
 695
 696         uint8_t                 n_sect() const                                  INLINE { return entry.fields.n_sect; }
 697         void                    set_n_sect(uint8_t value)               INLINE { entry.fields.n_sect = value; }
 698
 699         uint16_t                n_desc() const                                  INLINE { return E::get16(entry.fields.n_desc); }
 700         void                    set_n_desc(uint16_t value)              INLINE { E::set16((uint16_t&)entry.fields.n_desc, value); }
 701
 702         uint64_t                n_value() const                                 INLINE { return P::getP(entry.fields.n_value); }
 703         void                    set_n_value(uint64_t value)             INLINE { P::setP(entry.fields.n_value, value); }
 704
 705         typedef typename P::E           E;
 706 private:
 707         macho_nlist_content<P>  entry;
 708 };
 709
 710
 711
 712 //
 713 // mach-o relocation info
 714 //
 715 template <typename P>
 716 class macho_relocation_info {
 717 public:
 718         uint32_t                r_address() const                               INLINE { return E::get32(address); }
 719         void                    set_r_address(uint32_t value)   INLINE { E::set32(address, value); }
 720
 721         uint32_t                r_symbolnum() const                             INLINE { return E::getBits(other, 0, 24); }
 722         void                    set_r_symbolnum(uint32_t value) INLINE { E::setBits(other, value, 0, 24); }
 723
 724         bool                    r_pcrel() const                                 INLINE { return E::getBits(other, 24, 1); }
 725         void                    set_r_pcrel(bool value)                 INLINE { E::setBits(other, value, 24, 1); }
 726
 727         uint8_t                 r_length() const                                INLINE { return E::getBits(other, 25, 2); }
 728         void                    set_r_length(uint8_t value)             INLINE { E::setBits(other, value, 25, 2); }
 729
 730         bool                    r_extern() const                                INLINE { return E::getBits(other, 27, 1); }
 731         void                    set_r_extern(bool value)                INLINE { E::setBits(other, value, 27, 1); }
 732
 733         uint8_t                 r_type() const                                  INLINE { return E::getBits(other, 28, 4); }
 734         void                    set_r_type(uint8_t value)               INLINE { E::setBits(other, value, 28, 4); }
 735
 736         void                    set_r_length()                                  INLINE { set_r_length((sizeof(typename P::uint_t)==8) ? 3 : 2); }
 737
 738         typedef typename P::E           E;
 739 private:
 740         uint32_t                address;
 741         uint32_t                other;
 742 };
 743
 744
 745 //
 746 // mach-o scattered relocation info
 747 // The bit fields are always in big-endian order (see mach-o/reloc.h)
 748 //
 749 template <typename P>
 750 class macho_scattered_relocation_info {
 751 public:
 752         bool                    r_scattered() const                     INLINE { return BigEndian::getBitsRaw(E::get32(other), 0, 1); }
 753         void                    set_r_scattered(bool x)         INLINE { uint32_t temp = E::get32(other); BigEndian::setBitsRaw(temp, x, 0, 1);  E::set32(other, temp); }
 754
 755         bool                    r_pcrel() const                         INLINE { return BigEndian::getBitsRaw(E::get32(other), 1, 1); }
 756         void                    set_r_pcrel(bool x)                     INLINE { uint32_t temp = E::get32(other); BigEndian::setBitsRaw(temp, x, 1, 1);  E::set32(other, temp); }
 757
 758         uint8_t                 r_length() const                        INLINE { return BigEndian::getBitsRaw(E::get32(other), 2, 2); }
 759         void                    set_r_length(uint8_t x)         INLINE { uint32_t temp = E::get32(other); BigEndian::setBitsRaw(temp, x, 2, 2);  E::set32(other, temp); }
 760
 761         uint8_t                 r_type() const                          INLINE { return BigEndian::getBitsRaw(E::get32(other), 4, 4); }
 762         void                    set_r_type(uint8_t x)           INLINE { uint32_t temp = E::get32(other); BigEndian::setBitsRaw(temp, x, 4, 4);  E::set32(other, temp); }
 763
 764         uint32_t                r_address() const                       INLINE { return BigEndian::getBitsRaw(E::get32(other), 8, 24); }
 765         void                    set_r_address(uint32_t x)       INLINE { uint32_t temp = E::get32(other); BigEndian::setBitsRaw(temp, x, 8, 24);  E::set32(other, temp); }
 766
 767         uint32_t                r_value() const                         INLINE { return E::get32(value); }
 768         void                    set_r_value(uint32_t x)         INLINE { E::set32(value, x); }
 769
 770         uint32_t                r_other() const                         INLINE { return other; }
 771
 772         typedef typename P::E           E;
 773 private:
 774         uint32_t                other;
 775         uint32_t                value;
 776 };
 777
 778
 779 //
 780 // mach-o file header
 781 //
 782 template <typename P> struct macho_header_content {};
 783 template <> struct macho_header_content<Pointer32<BigEndian> >    { mach_header         fields; };
 784 template <> struct macho_header_content<Pointer64<BigEndian> >    { mach_header_64      fields; };
 785 template <> struct macho_header_content<Pointer32<LittleEndian> > { mach_header         fields; };
 786 template <> struct macho_header_content<Pointer64<LittleEndian> > { mach_header_64      fields; };
 787
 788 template <typename P>
 789 class macho_header {
 790 public:
 791         uint32_t                magic() const                                   INLINE { return E::get32(header.fields.magic); }
 792         void                    set_magic(uint32_t value)               INLINE { E::set32(header.fields.magic, value); }
 793
 794         uint32_t                cputype() const                                 INLINE { return E::get32(header.fields.cputype); }
 795         void                    set_cputype(uint32_t value)             INLINE { E::set32((uint32_t&)header.fields.cputype, value); }
 796
 797         uint32_t                cpusubtype() const                              INLINE { return E::get32(header.fields.cpusubtype); }
 798         void                    set_cpusubtype(uint32_t value)  INLINE { E::set32((uint32_t&)header.fields.cpusubtype, value); }
 799
 800         uint32_t                filetype() const                                INLINE { return E::get32(header.fields.filetype); }
 801         void                    set_filetype(uint32_t value)    INLINE { E::set32(header.fields.filetype, value); }
 802
 803         uint32_t                ncmds() const                                   INLINE { return E::get32(header.fields.ncmds); }
 804         void                    set_ncmds(uint32_t value)               INLINE { E::set32(header.fields.ncmds, value); }
 805
 806         uint32_t                sizeofcmds() const                              INLINE { return E::get32(header.fields.sizeofcmds); }
 807         void                    set_sizeofcmds(uint32_t value)  INLINE { E::set32(header.fields.sizeofcmds, value); }
 808
 809         uint32_t                flags() const                                   INLINE { return E::get32(header.fields.flags); }
 810         void                    set_flags(uint32_t value)               INLINE { E::set32(header.fields.flags, value); }
 811
 812         uint32_t                reserved() const                                INLINE { return E::get32(header.fields.reserved); }
 813         void                    set_reserved(uint32_t value)    INLINE { E::set32(header.fields.reserved, value); }
 814
 815     const macho_segment_command<P>* getSegment(const char *segname) const
 816     {
 817         const macho_load_command<P>* cmds = (macho_load_command<P>*)((uint8_t*)this + sizeof(macho_header<P>));
 818         uint32_t cmd_count = this->ncmds();
 819         const macho_load_command<P>* cmd = cmds;
 820         for (uint32_t i = 0; i < cmd_count; ++i) {
 821             if ( cmd->cmd() == macho_segment_command<P>::CMD ) {
 822                 const macho_segment_command<P>* segcmd = (macho_segment_command<P>*)cmd;
 823                 if (0 == strncmp(segname, segcmd->segname(), 16)) {
 824                     return segcmd;
 825               }
 826             }
 827             cmd = (macho_load_command<P>*)(((uint8_t*)cmd)+cmd->cmdsize());
 828         }
 829         return NULL;
 830     }
 831
 832     const macho_section<P>* getSection(const char *segname, const char *sectname) const
 833     {
 834        const  macho_segment_command<P>* segcmd = getSegment(segname);
 835         if (!segcmd) return NULL;
 836
 837         const macho_section<P>* sectcmd = (macho_section<P>*)(segcmd+1);
 838         uint32_t section_count = segcmd->nsects();
 839         for (uint32_t j = 0; j < section_count; ++j) {
 840             if (0 == ::strncmp(sectcmd[j].sectname(), sectname, 16)) {
 841                 return sectcmd+j;
 842             }
 843         }
 844
 845                 if (strcmp(segname, "__DATA") == 0)
 846                         return getSection("__DATA_CONST", sectname);
 847         return NULL;
 848     }
 849
 850     const macho_load_command<P>* getLoadCommand(int query) const
 851     {
 852         const macho_load_command<P>* cmds = (macho_load_command<P>*)((uint8_t*)this + sizeof(macho_header<P>));
 853         uint32_t cmd_count = this->ncmds();
 854         const macho_load_command<P>* cmd = cmds;
 855         for (uint32_t i = 0; i < cmd_count; ++i) {
 856             if ( cmd->cmd() == query ) {
 857                 return cmd;
 858             }
 859             cmd = (macho_load_command<P>*)(((uint8_t*)cmd)+cmd->cmdsize());
 860         }
 861         return NULL;
 862     }
 863
 864         typedef typename P::E           E;
 865 private:
 866         macho_header_content<P> header;
 867 };
 868
 869
 870
 871 //
 872 // compressed dyld info load command
 873 //
 874 template <typename P>
 875 class macho_dyld_info_command {
 876 public:
 877         uint32_t                cmd() const                                     INLINE { return E::get32(fields.cmd); }
 878         void                    set_cmd(uint32_t value)         INLINE { E::set32(fields.cmd, value); }
 879
 880         uint32_t                cmdsize() const                         INLINE { return E::get32(fields.cmdsize); }
 881         void                    set_cmdsize(uint32_t value)     INLINE { E::set32(fields.cmdsize, value); }
 882
 883         uint32_t                rebase_off() const                              INLINE { return E::get32(fields.rebase_off); }
 884         void                    set_rebase_off(uint32_t value)  INLINE { E::set32(fields.rebase_off, value);  }
 885
 886         uint32_t                rebase_size() const                             INLINE { return E::get32(fields.rebase_size); }
 887         void                    set_rebase_size(uint32_t value) INLINE { E::set32(fields.rebase_size, value);  }
 888
 889         uint32_t                bind_off() const                                INLINE { return E::get32(fields.bind_off); }
 890         void                    set_bind_off(uint32_t value)    INLINE { E::set32(fields.bind_off, value);  }
 891
 892         uint32_t                bind_size() const                               INLINE { return E::get32(fields.bind_size); }
 893         void                    set_bind_size(uint32_t value)   INLINE { E::set32(fields.bind_size, value);  }
 894
 895         uint32_t                weak_bind_off() const                           INLINE { return E::get32(fields.weak_bind_off); }
 896         void                    set_weak_bind_off(uint32_t value)       INLINE { E::set32(fields.weak_bind_off, value);  }
 897
 898         uint32_t                weak_bind_size() const                          INLINE { return E::get32(fields.weak_bind_size); }
 899         void                    set_weak_bind_size(uint32_t value)      INLINE { E::set32(fields.weak_bind_size, value);  }
 900
 901         uint32_t                lazy_bind_off() const                           INLINE { return E::get32(fields.lazy_bind_off); }
 902         void                    set_lazy_bind_off(uint32_t value)       INLINE { E::set32(fields.lazy_bind_off, value);  }
 903
 904         uint32_t                lazy_bind_size() const                          INLINE { return E::get32(fields.lazy_bind_size); }
 905         void                    set_lazy_bind_size(uint32_t value)      INLINE { E::set32(fields.lazy_bind_size, value);  }
 906
 907         uint32_t                export_off() const                              INLINE { return E::get32(fields.export_off); }
 908         void                    set_export_off(uint32_t value)  INLINE { E::set32(fields.export_off, value);  }
 909
 910         uint32_t                export_size() const                             INLINE { return E::get32(fields.export_size); }
 911         void                    set_export_size(uint32_t value) INLINE { E::set32(fields.export_size, value);  }
 912
 913
 914         typedef typename P::E           E;
 915 private:
 916         dyld_info_command       fields;
 917 };
 918
 919 #ifndef NO_ULEB
 920 inline uint64_t read_uleb128(const uint8_t*& p, const uint8_t* end) {
 921         uint64_t result = 0;
 922         int              bit = 0;
 923         do {
 924                 if (p == end)
 925                         throw "malformed uleb128 extends beyond trie";
 926
 927                 uint64_t slice = *p & 0x7f;
 928
 929                 if (bit >= 64 || slice << bit >> bit != slice)
 930                         throw "uleb128 too big for 64-bits";
 931                 else {
 932                         result |= (slice << bit);
 933                         bit += 7;
 934                 }
 935         }
 936         while (*p++ & 0x80);
 937         return result;
 938 }
 939
 940
 941 inline int64_t read_sleb128(const uint8_t*& p, const uint8_t* end)
 942 {
 943         int64_t result = 0;
 944         int bit = 0;
 945         uint8_t byte;
 946         do {
 947                 if (p == end)
 948                         throw "malformed sleb128";
 949                 byte = *p++;
 950                 result |= (((int64_t)(byte & 0x7f)) << bit);
 951                 bit += 7;
 952         } while (byte & 0x80);
 953         // sign extend negative numbers
 954         if ( (byte & 0x40) != 0 )
 955                 result |= (-1LL) << bit;
 956         return result;
 957 }
 958
 959 #endif
 960
 961
 962 #endif  // __MACH_O_FILE_ABSTRACTION__
 963
 964