include/mach-o/loader.h

   1 /* Mach-O support for BFD.
   2    Copyright (C) 2011-2015 Free Software Foundation, Inc.
   3
   4    This file is part of BFD, the Binary File Descriptor library.
   5
   6    This program is free software; you can redistribute it and/or modify
   7    it under the terms of the GNU General Public License as published by
   8    the Free Software Foundation; either version 3 of the License, or
   9    (at your option) any later version.
  10
  11    This program is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14    GNU General Public License for more details.
  15
  16    You should have received a copy of the GNU General Public License
  17    along with this program; if not, write to the Free Software
  18    Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
  19    MA 02110-1301, USA.  */
  20
  21 #ifndef _MACH_O_LOADER_H
  22 #define _MACH_O_LOADER_H
  23
  24 /* Constants for header. */
  25
  26 typedef enum bfd_mach_o_mach_header_magic
  27 {
  28   BFD_MACH_O_MH_MAGIC    = 0xfeedface,
  29   BFD_MACH_O_MH_CIGAM    = 0xcefaedfe,
  30   BFD_MACH_O_MH_MAGIC_64 = 0xfeedfacf,
  31   BFD_MACH_O_MH_CIGAM_64 = 0xcffaedfe
  32 }
  33 bfd_mach_o_mach_header_magic;
  34
  35 /* Capability bits in cpu type.  */
  36 #define BFD_MACH_O_CPU_ARCH_MASK  0xff000000
  37 #define BFD_MACH_O_CPU_ARCH_ABI64 0x01000000
  38 #define BFD_MACH_O_CPU_IS64BIT    0x01000000
  39
  40 typedef enum bfd_mach_o_cpu_type
  41 {
  42   BFD_MACH_O_CPU_TYPE_VAX = 1,
  43   BFD_MACH_O_CPU_TYPE_MC680x0 = 6,
  44   BFD_MACH_O_CPU_TYPE_I386 = 7,
  45   BFD_MACH_O_CPU_TYPE_MIPS = 8,
  46   BFD_MACH_O_CPU_TYPE_MC98000 = 10,
  47   BFD_MACH_O_CPU_TYPE_HPPA = 11,
  48   BFD_MACH_O_CPU_TYPE_ARM = 12,
  49   BFD_MACH_O_CPU_TYPE_MC88000 = 13,
  50   BFD_MACH_O_CPU_TYPE_SPARC = 14,
  51   BFD_MACH_O_CPU_TYPE_I860 = 15,
  52   BFD_MACH_O_CPU_TYPE_ALPHA = 16,
  53   BFD_MACH_O_CPU_TYPE_POWERPC = 18,
  54   BFD_MACH_O_CPU_TYPE_POWERPC_64 =
  55     (BFD_MACH_O_CPU_TYPE_POWERPC | BFD_MACH_O_CPU_IS64BIT),
  56   BFD_MACH_O_CPU_TYPE_X86_64 =
  57     (BFD_MACH_O_CPU_TYPE_I386 | BFD_MACH_O_CPU_IS64BIT),
  58   BFD_MACH_O_CPU_TYPE_ARM64 =
  59     (BFD_MACH_O_CPU_TYPE_ARM | BFD_MACH_O_CPU_IS64BIT)
  60 }
  61 bfd_mach_o_cpu_type;
  62
  63 /* Capability bits in cpu subtype.  */
  64 #define BFD_MACH_O_CPU_SUBTYPE_MASK  0xff000000
  65 #define BFD_MACH_O_CPU_SUBTYPE_LIB64 0x80000000
  66
  67 typedef enum bfd_mach_o_cpu_subtype
  68 {
  69   /* i386.  */
  70   BFD_MACH_O_CPU_SUBTYPE_X86_ALL = 3,
  71
  72   /* arm.  */
  73   BFD_MACH_O_CPU_SUBTYPE_ARM_ALL = 0,
  74   BFD_MACH_O_CPU_SUBTYPE_ARM_V4T = 5,
  75   BFD_MACH_O_CPU_SUBTYPE_ARM_V6 = 6,
  76   BFD_MACH_O_CPU_SUBTYPE_ARM_V5TEJ = 7,
  77   BFD_MACH_O_CPU_SUBTYPE_ARM_XSCALE = 8,
  78   BFD_MACH_O_CPU_SUBTYPE_ARM_V7 = 9,
  79
  80   /* arm64.  */
  81   BFD_MACH_O_CPU_SUBTYPE_ARM64_ALL = 0,
  82   BFD_MACH_O_CPU_SUBTYPE_ARM64_V8 = 1
  83 }
  84 bfd_mach_o_cpu_subtype;
  85
  86 typedef enum bfd_mach_o_filetype
  87 {
  88   BFD_MACH_O_MH_OBJECT      = 0x01,
  89   BFD_MACH_O_MH_EXECUTE     = 0x02,
  90   BFD_MACH_O_MH_FVMLIB      = 0x03,
  91   BFD_MACH_O_MH_CORE        = 0x04,
  92   BFD_MACH_O_MH_PRELOAD     = 0x05,
  93   BFD_MACH_O_MH_DYLIB       = 0x06,
  94   BFD_MACH_O_MH_DYLINKER    = 0x07,
  95   BFD_MACH_O_MH_BUNDLE      = 0x08,
  96   BFD_MACH_O_MH_DYLIB_STUB  = 0x09,
  97   BFD_MACH_O_MH_DSYM        = 0x0a,
  98   BFD_MACH_O_MH_KEXT_BUNDLE = 0x0b
  99 }
 100 bfd_mach_o_filetype;
 101
 102 typedef enum bfd_mach_o_header_flags
 103 {
 104   BFD_MACH_O_MH_NOUNDEFS                = 0x0000001,
 105   BFD_MACH_O_MH_INCRLINK                = 0x0000002,
 106   BFD_MACH_O_MH_DYLDLINK                = 0x0000004,
 107   BFD_MACH_O_MH_BINDATLOAD              = 0x0000008,
 108   BFD_MACH_O_MH_PREBOUND                = 0x0000010,
 109   BFD_MACH_O_MH_SPLIT_SEGS              = 0x0000020,
 110   BFD_MACH_O_MH_LAZY_INIT               = 0x0000040,
 111   BFD_MACH_O_MH_TWOLEVEL                = 0x0000080,
 112   BFD_MACH_O_MH_FORCE_FLAT              = 0x0000100,
 113   BFD_MACH_O_MH_NOMULTIDEFS             = 0x0000200,
 114   BFD_MACH_O_MH_NOFIXPREBINDING         = 0x0000400,
 115   BFD_MACH_O_MH_PREBINDABLE             = 0x0000800,
 116   BFD_MACH_O_MH_ALLMODSBOUND            = 0x0001000,
 117   BFD_MACH_O_MH_SUBSECTIONS_VIA_SYMBOLS = 0x0002000,
 118   BFD_MACH_O_MH_CANONICAL               = 0x0004000,
 119   BFD_MACH_O_MH_WEAK_DEFINES            = 0x0008000,
 120   BFD_MACH_O_MH_BINDS_TO_WEAK           = 0x0010000,
 121   BFD_MACH_O_MH_ALLOW_STACK_EXECUTION   = 0x0020000,
 122   BFD_MACH_O_MH_ROOT_SAFE               = 0x0040000,
 123   BFD_MACH_O_MH_SETUID_SAFE             = 0x0080000,
 124   BFD_MACH_O_MH_NO_REEXPORTED_DYLIBS    = 0x0100000,
 125   BFD_MACH_O_MH_PIE                     = 0x0200000,
 126   BFD_MACH_O_MH_DEAD_STRIPPABLE_DYLIB   = 0x0400000,
 127   BFD_MACH_O_MH_HAS_TLV_DESCRIPTORS     = 0x0800000,
 128   BFD_MACH_O_MH_NO_HEAP_EXECUTION       = 0x1000000
 129 }
 130 bfd_mach_o_header_flags;
 131 \f
 132 /* Load command constants.  */
 133 #define BFD_MACH_O_LC_REQ_DYLD 0x80000000
 134
 135 typedef enum bfd_mach_o_load_command_type
 136 {
 137   BFD_MACH_O_LC_SEGMENT = 0x1,          /* File segment to be mapped.  */
 138   BFD_MACH_O_LC_SYMTAB = 0x2,           /* Link-edit stab symbol table info (obsolete).  */
 139   BFD_MACH_O_LC_SYMSEG = 0x3,           /* Link-edit gdb symbol table info.  */
 140   BFD_MACH_O_LC_THREAD = 0x4,           /* Thread.  */
 141   BFD_MACH_O_LC_UNIXTHREAD = 0x5,       /* UNIX thread (includes a stack).  */
 142   BFD_MACH_O_LC_LOADFVMLIB = 0x6,       /* Load a fixed VM shared library.  */
 143   BFD_MACH_O_LC_IDFVMLIB = 0x7,         /* Fixed VM shared library id.  */
 144   BFD_MACH_O_LC_IDENT = 0x8,            /* Object identification information (obsolete).  */
 145   BFD_MACH_O_LC_FVMFILE = 0x9,          /* Fixed VM file inclusion.  */
 146   BFD_MACH_O_LC_PREPAGE = 0xa,          /* Prepage command (internal use).  */
 147   BFD_MACH_O_LC_DYSYMTAB = 0xb,         /* Dynamic link-edit symbol table info.  */
 148   BFD_MACH_O_LC_LOAD_DYLIB = 0xc,       /* Load a dynamically linked shared library.  */
 149   BFD_MACH_O_LC_ID_DYLIB = 0xd,         /* Dynamically linked shared lib identification.  */
 150   BFD_MACH_O_LC_LOAD_DYLINKER = 0xe,    /* Load a dynamic linker.  */
 151   BFD_MACH_O_LC_ID_DYLINKER = 0xf,      /* Dynamic linker identification.  */
 152   BFD_MACH_O_LC_PREBOUND_DYLIB = 0x10,  /* Modules prebound for a dynamically.  */
 153   BFD_MACH_O_LC_ROUTINES = 0x11,        /* Image routines.  */
 154   BFD_MACH_O_LC_SUB_FRAMEWORK = 0x12,   /* Sub framework.  */
 155   BFD_MACH_O_LC_SUB_UMBRELLA = 0x13,    /* Sub umbrella.  */
 156   BFD_MACH_O_LC_SUB_CLIENT = 0x14,      /* Sub client.  */
 157   BFD_MACH_O_LC_SUB_LIBRARY = 0x15,     /* Sub library.  */
 158   BFD_MACH_O_LC_TWOLEVEL_HINTS = 0x16,  /* Two-level namespace lookup hints.  */
 159   BFD_MACH_O_LC_PREBIND_CKSUM = 0x17,   /* Prebind checksum.  */
 160   /* Load a dynamically linked shared library that is allowed to be
 161        missing (weak).  */
 162   BFD_MACH_O_LC_LOAD_WEAK_DYLIB = 0x18,
 163   BFD_MACH_O_LC_SEGMENT_64 = 0x19,      /* 64-bit segment of this file to be
 164                                            mapped.  */
 165   BFD_MACH_O_LC_ROUTINES_64 = 0x1a,     /* Address of the dyld init routine
 166                                            in a dylib.  */
 167   BFD_MACH_O_LC_UUID = 0x1b,            /* 128-bit UUID of the executable.  */
 168   BFD_MACH_O_LC_RPATH = 0x1c,           /* Run path addiions.  */
 169   BFD_MACH_O_LC_CODE_SIGNATURE = 0x1d,  /* Local of code signature.  */
 170   BFD_MACH_O_LC_SEGMENT_SPLIT_INFO = 0x1e, /* Local of info to split seg.  */
 171   BFD_MACH_O_LC_REEXPORT_DYLIB = 0x1f,  /* Load and re-export lib.  */
 172   BFD_MACH_O_LC_LAZY_LOAD_DYLIB = 0x20, /* Delay load of lib until use.  */
 173   BFD_MACH_O_LC_ENCRYPTION_INFO = 0x21, /* Encrypted segment info.  */
 174   BFD_MACH_O_LC_DYLD_INFO = 0x22,       /* Compressed dyld information.  */
 175   BFD_MACH_O_LC_LOAD_UPWARD_DYLIB = 0x23, /* Load upward dylib.  */
 176   BFD_MACH_O_LC_VERSION_MIN_MACOSX = 0x24,   /* Minimal MacOSX version.  */
 177   BFD_MACH_O_LC_VERSION_MIN_IPHONEOS = 0x25, /* Minimal IOS version.  */
 178   BFD_MACH_O_LC_FUNCTION_STARTS = 0x26,  /* Compressed table of func start.  */
 179   BFD_MACH_O_LC_DYLD_ENVIRONMENT = 0x27, /* Env variable string for dyld.  */
 180   BFD_MACH_O_LC_MAIN = 0x28,             /* Entry point.  */
 181   BFD_MACH_O_LC_DATA_IN_CODE = 0x29,     /* Table of non-instructions.  */
 182   BFD_MACH_O_LC_SOURCE_VERSION = 0x2a,   /* Source version.  */
 183   BFD_MACH_O_LC_DYLIB_CODE_SIGN_DRS = 0x2b, /* DRs from dylibs.  */
 184   BFD_MACH_O_LC_ENCRYPTION_INFO_64 = 0x2c, /* Encrypted 64 bit seg info.  */
 185   BFD_MACH_O_LC_LINKER_OPTIONS = 0x2d,  /* Linker options.  */
 186   BFD_MACH_O_LC_LINKER_OPTIMIZATION_HINT = 0x2e, /* Optimization hints.  */
 187   BFD_MACH_O_LC_VERSION_MIN_WATCHOS = 0x30 /* Minimal WatchOS version.  */
 188 }
 189 bfd_mach_o_load_command_type;
 190 \f
 191 /* Section constants.  */
 192 /* Constants for the type of a section.  */
 193
 194 typedef enum bfd_mach_o_section_type
 195 {
 196   /* Regular section.  */
 197   BFD_MACH_O_S_REGULAR = 0x0,
 198
 199   /* Zero fill on demand section.  */
 200   BFD_MACH_O_S_ZEROFILL = 0x1,
 201
 202   /* Section with only literal C strings.  */
 203   BFD_MACH_O_S_CSTRING_LITERALS = 0x2,
 204
 205   /* Section with only 4 byte literals.  */
 206   BFD_MACH_O_S_4BYTE_LITERALS = 0x3,
 207
 208   /* Section with only 8 byte literals.  */
 209   BFD_MACH_O_S_8BYTE_LITERALS = 0x4,
 210
 211   /* Section with only pointers to literals.  */
 212   BFD_MACH_O_S_LITERAL_POINTERS = 0x5,
 213
 214   /* For the two types of symbol pointers sections and the symbol stubs
 215      section they have indirect symbol table entries.  For each of the
 216      entries in the section the indirect symbol table entries, in
 217      corresponding order in the indirect symbol table, start at the index
 218      stored in the reserved1 field of the section structure.  Since the
 219      indirect symbol table entries correspond to the entries in the
 220      section the number of indirect symbol table entries is inferred from
 221      the size of the section divided by the size of the entries in the
 222      section.  For symbol pointers sections the size of the entries in
 223      the section is 4 bytes and for symbol stubs sections the byte size
 224      of the stubs is stored in the reserved2 field of the section
 225      structure.  */
 226
 227   /* Section with only non-lazy symbol pointers.  */
 228   BFD_MACH_O_S_NON_LAZY_SYMBOL_POINTERS = 0x6,
 229
 230   /* Section with only lazy symbol pointers.  */
 231   BFD_MACH_O_S_LAZY_SYMBOL_POINTERS = 0x7,
 232
 233   /* Section with only symbol stubs, byte size of stub in the reserved2
 234      field.  */
 235   BFD_MACH_O_S_SYMBOL_STUBS = 0x8,
 236
 237   /* Section with only function pointers for initialization.  */
 238   BFD_MACH_O_S_MOD_INIT_FUNC_POINTERS = 0x9,
 239
 240   /* Section with only function pointers for termination.  */
 241   BFD_MACH_O_S_MOD_FINI_FUNC_POINTERS = 0xa,
 242
 243   /* Section contains symbols that are coalesced by the linkers.  */
 244   BFD_MACH_O_S_COALESCED = 0xb,
 245
 246   /* Zero fill on demand section (possibly larger than 4 GB).  */
 247   BFD_MACH_O_S_GB_ZEROFILL = 0xc,
 248
 249   /* Section with only pairs of function pointers for interposing.  */
 250   BFD_MACH_O_S_INTERPOSING = 0xd,
 251
 252   /* Section with only 16 byte literals.  */
 253   BFD_MACH_O_S_16BYTE_LITERALS = 0xe,
 254
 255   /* Section contains DTrace Object Format.  */
 256   BFD_MACH_O_S_DTRACE_DOF = 0xf,
 257
 258   /* Section with only lazy symbol pointers to lazy loaded dylibs.  */
 259   BFD_MACH_O_S_LAZY_DYLIB_SYMBOL_POINTERS = 0x10
 260 }
 261 bfd_mach_o_section_type;
 262
 263 /* The flags field of a section structure is separated into two parts a section
 264    type and section attributes.  The section types are mutually exclusive (it
 265    can only have one type) but the section attributes are not (it may have more
 266    than one attribute).  */
 267
 268 #define BFD_MACH_O_SECTION_TYPE_MASK        0x000000ff
 269
 270 /* Constants for the section attributes part of the flags field of a section
 271    structure.  */
 272 #define BFD_MACH_O_SECTION_ATTRIBUTES_MASK  0xffffff00
 273 /* System setable attributes.  */
 274 #define BFD_MACH_O_SECTION_ATTRIBUTES_SYS   0x00ffff00
 275 /* User attributes.  */
 276 #define BFD_MACH_O_SECTION_ATTRIBUTES_USR   0xff000000
 277
 278 typedef enum bfd_mach_o_section_attribute
 279 {
 280   /* Section has no specified attibutes.  */
 281   BFD_MACH_O_S_ATTR_NONE              = 0,
 282
 283   /* Section has local relocation entries.  */
 284   BFD_MACH_O_S_ATTR_LOC_RELOC         = 0x00000100,
 285
 286   /* Section has external relocation entries.  */
 287   BFD_MACH_O_S_ATTR_EXT_RELOC         = 0x00000200,
 288
 289   /* Section contains some machine instructions.  */
 290   BFD_MACH_O_S_ATTR_SOME_INSTRUCTIONS = 0x00000400,
 291
 292   /* A debug section.  */
 293   BFD_MACH_O_S_ATTR_DEBUG             = 0x02000000,
 294
 295   /* Used with i386 stubs.  */
 296   BFD_MACH_O_S_SELF_MODIFYING_CODE    = 0x04000000,
 297
 298   /* Blocks are live if they reference live blocks.  */
 299   BFD_MACH_O_S_ATTR_LIVE_SUPPORT      = 0x08000000,
 300
 301   /* No dead stripping.  */
 302   BFD_MACH_O_S_ATTR_NO_DEAD_STRIP     = 0x10000000,
 303
 304   /* Section symbols can be stripped in files with MH_DYLDLINK flag.  */
 305   BFD_MACH_O_S_ATTR_STRIP_STATIC_SYMS = 0x20000000,
 306
 307   /* Section contains coalesced symbols that are not to be in the TOC of an
 308      archive.  */
 309   BFD_MACH_O_S_ATTR_NO_TOC            = 0x40000000,
 310
 311   /* Section contains only true machine instructions.  */
 312   BFD_MACH_O_S_ATTR_PURE_INSTRUCTIONS = 0x80000000
 313 }
 314 bfd_mach_o_section_attribute;
 315 \f
 316 /* Symbol constants.  */
 317
 318 /* Symbol n_type values.  */
 319 #define BFD_MACH_O_N_STAB  0xe0 /* If any of these bits set, a symbolic debugging entry.  */
 320 #define BFD_MACH_O_N_PEXT  0x10 /* Private external symbol bit.  */
 321 #define BFD_MACH_O_N_TYPE  0x0e /* Mask for the type bits.  */
 322 #define BFD_MACH_O_N_EXT   0x01 /* External symbol bit, set for external symbols.  */
 323 #define BFD_MACH_O_N_UNDF  0x00 /* Undefined, n_sect == NO_SECT.  */
 324 #define BFD_MACH_O_N_ABS   0x02 /* Absolute, n_sect == NO_SECT.  */
 325 #define BFD_MACH_O_N_INDR  0x0a /* Indirect.  */
 326 #define BFD_MACH_O_N_PBUD  0x0c /* Prebound undefined (defined in a dylib).  */
 327 #define BFD_MACH_O_N_SECT  0x0e /* Defined in section number n_sect.  */
 328
 329 #define BFD_MACH_O_NO_SECT 0    /* Symbol not in any section of the image.  */
 330
 331 /* Symbol n_desc reference flags.  */
 332 #define BFD_MACH_O_REFERENCE_MASK                               0x07
 333 #define BFD_MACH_O_REFERENCE_FLAG_UNDEFINED_NON_LAZY            0x00
 334 #define BFD_MACH_O_REFERENCE_FLAG_UNDEFINED_LAZY                0x01
 335 #define BFD_MACH_O_REFERENCE_FLAG_DEFINED                       0x02
 336 #define BFD_MACH_O_REFERENCE_FLAG_PRIVATE_DEFINED               0x03
 337 #define BFD_MACH_O_REFERENCE_FLAG_PRIVATE_UNDEFINED_NON_LAZY    0x04
 338 #define BFD_MACH_O_REFERENCE_FLAG_PRIVATE_UNDEFINED_LAZY        0x05
 339
 340 #define BFD_MACH_O_REFERENCED_DYNAMICALLY                       0x10
 341 #define BFD_MACH_O_N_DESC_DISCARDED                             0x20
 342 #define BFD_MACH_O_N_NO_DEAD_STRIP                              0x20
 343 #define BFD_MACH_O_N_WEAK_REF                                   0x40
 344 #define BFD_MACH_O_N_WEAK_DEF                                   0x80
 345 #define BFD_MACH_O_N_REF_TO_WEAK                                0x80
 346
 347 #define BFD_MACH_O_N_ARM_THUMB_DEF                              0x08
 348 #define BFD_MACH_O_N_SYMBOL_RESOLVER                            0x100
 349
 350 #define BFD_MACH_O_INDIRECT_SYM_LOCAL                   0x80000000
 351 #define BFD_MACH_O_INDIRECT_SYM_ABS                     0x40000000
 352 \f
 353 /* Constants for dyld info rebase.  */
 354 #define BFD_MACH_O_REBASE_OPCODE_MASK     0xf0
 355 #define BFD_MACH_O_REBASE_IMMEDIATE_MASK  0x0f
 356
 357 /* The rebase opcodes.  */
 358 #define BFD_MACH_O_REBASE_OPCODE_DONE                               0x00
 359 #define BFD_MACH_O_REBASE_OPCODE_SET_TYPE_IMM                       0x10
 360 #define BFD_MACH_O_REBASE_OPCODE_SET_SEGMENT_AND_OFFSET_ULEB        0x20
 361 #define BFD_MACH_O_REBASE_OPCODE_ADD_ADDR_ULEB                      0x30
 362 #define BFD_MACH_O_REBASE_OPCODE_ADD_ADDR_IMM_SCALED                0x40
 363 #define BFD_MACH_O_REBASE_OPCODE_DO_REBASE_IMM_TIMES                0x50
 364 #define BFD_MACH_O_REBASE_OPCODE_DO_REBASE_ULEB_TIMES               0x60
 365 #define BFD_MACH_O_REBASE_OPCODE_DO_REBASE_ADD_ADDR_ULEB            0x70
 366 #define BFD_MACH_O_REBASE_OPCODE_DO_REBASE_ULEB_TIMES_SKIPPING_ULEB 0x80
 367
 368 /* The rebase type.  */
 369 #define BFD_MACH_O_REBASE_TYPE_POINTER            1
 370 #define BFD_MACH_O_REBASE_TYPE_TEXT_ABSOLUTE32    2
 371 #define BFD_MACH_O_REBASE_TYPE_TEXT_PCREL32       3
 372
 373 /* Constants for dyld info bind.  */
 374 #define BFD_MACH_O_BIND_OPCODE_MASK    0xf0
 375 #define BFD_MACH_O_BIND_IMMEDIATE_MASK 0x0f
 376
 377 /* The bind opcodes.  */
 378 #define BFD_MACH_O_BIND_OPCODE_DONE                              0x00
 379 #define BFD_MACH_O_BIND_OPCODE_SET_DYLIB_ORDINAL_IMM             0x10
 380 #define BFD_MACH_O_BIND_OPCODE_SET_DYLIB_ORDINAL_ULEB            0x20
 381 #define BFD_MACH_O_BIND_OPCODE_SET_DYLIB_SPECIAL_IMM             0x30
 382 #define BFD_MACH_O_BIND_OPCODE_SET_SYMBOL_TRAILING_FLAGS_IMM     0x40
 383 #define BFD_MACH_O_BIND_OPCODE_SET_TYPE_IMM                      0x50
 384 #define BFD_MACH_O_BIND_OPCODE_SET_ADDEND_SLEB                   0x60
 385 #define BFD_MACH_O_BIND_OPCODE_SET_SEGMENT_AND_OFFSET_ULEB       0x70
 386 #define BFD_MACH_O_BIND_OPCODE_ADD_ADDR_ULEB                     0x80
 387 #define BFD_MACH_O_BIND_OPCODE_DO_BIND                           0x90
 388 #define BFD_MACH_O_BIND_OPCODE_DO_BIND_ADD_ADDR_ULEB             0xa0
 389 #define BFD_MACH_O_BIND_OPCODE_DO_BIND_ADD_ADDR_IMM_SCALED       0xb0
 390 #define BFD_MACH_O_BIND_OPCODE_DO_BIND_ULEB_TIMES_SKIPPING_ULEB 0xc0
 391
 392 /* The bind types.  */
 393 #define BFD_MACH_O_BIND_TYPE_POINTER            1
 394 #define BFD_MACH_O_BIND_TYPE_TEXT_ABSOLUTE32    2
 395 #define BFD_MACH_O_BIND_TYPE_TEXT_PCREL32       3
 396
 397 /* The special dylib.  */
 398 #define BFD_MACH_O_BIND_SPECIAL_DYLIB_SELF             0
 399 #define BFD_MACH_O_BIND_SPECIAL_DYLIB_MAIN_EXECUTABLE -1
 400 #define BFD_MACH_O_BIND_SPECIAL_DYLIB_FLAT_LOOKUP     -2
 401
 402 /* Constants for dyld info export.  */
 403 #define BFD_MACH_O_EXPORT_SYMBOL_FLAGS_KIND_MASK            0x03
 404 #define BFD_MACH_O_EXPORT_SYMBOL_FLAGS_KIND_REGULAR         0x00
 405 #define BFD_MACH_O_EXPORT_SYMBOL_FLAGS_KIND_THREAD_LOCAL    0x01
 406 #define BFD_MACH_O_EXPORT_SYMBOL_FLAGS_WEAK_DEFINITION      0x04
 407 #define BFD_MACH_O_EXPORT_SYMBOL_FLAGS_REEXPORT             0x08
 408 #define BFD_MACH_O_EXPORT_SYMBOL_FLAGS_STUB_AND_RESOLVER    0x10
 409
 410 /* Constants for DATA_IN_CODE entries.  */
 411 typedef enum bfd_mach_o_data_in_code_entry_kind
 412 {
 413   BFD_MACH_O_DICE_KIND_DATA         = 0x0001, /* Data */
 414   BFD_MACH_O_DICE_JUMP_TABLES8      = 0x0002, /* 1 byte jump tables.  */
 415   BFD_MACH_O_DICE_JUMP_TABLES16     = 0x0003, /* 2 bytes.  */
 416   BFD_MACH_O_DICE_JUMP_TABLES32     = 0x0004, /* 4 bytes.  */
 417   BFD_MACH_O_DICE_ABS_JUMP_TABLES32 = 0x0005  /* Absolute jump table.  */
 418 } bfd_mach_o_data_in_code_entry_kind;
 419
 420 /* Thread constants.  */
 421
 422 typedef enum bfd_mach_o_ppc_thread_flavour
 423 {
 424   BFD_MACH_O_PPC_THREAD_STATE      = 1,
 425   BFD_MACH_O_PPC_FLOAT_STATE       = 2,
 426   BFD_MACH_O_PPC_EXCEPTION_STATE   = 3,
 427   BFD_MACH_O_PPC_VECTOR_STATE      = 4,
 428   BFD_MACH_O_PPC_THREAD_STATE64    = 5,
 429   BFD_MACH_O_PPC_EXCEPTION_STATE64 = 6,
 430   BFD_MACH_O_PPC_THREAD_STATE_NONE = 7
 431 }
 432 bfd_mach_o_ppc_thread_flavour;
 433
 434 /* Defined in <mach/i386/thread_status.h> */
 435 typedef enum bfd_mach_o_i386_thread_flavour
 436 {
 437   BFD_MACH_O_x86_THREAD_STATE32    = 1,
 438   BFD_MACH_O_x86_FLOAT_STATE32     = 2,
 439   BFD_MACH_O_x86_EXCEPTION_STATE32 = 3,
 440   BFD_MACH_O_x86_THREAD_STATE64    = 4,
 441   BFD_MACH_O_x86_FLOAT_STATE64     = 5,
 442   BFD_MACH_O_x86_EXCEPTION_STATE64 = 6,
 443   BFD_MACH_O_x86_THREAD_STATE      = 7,
 444   BFD_MACH_O_x86_FLOAT_STATE       = 8,
 445   BFD_MACH_O_x86_EXCEPTION_STATE   = 9,
 446   BFD_MACH_O_x86_DEBUG_STATE32     = 10,
 447   BFD_MACH_O_x86_DEBUG_STATE64     = 11,
 448   BFD_MACH_O_x86_DEBUG_STATE       = 12,
 449   BFD_MACH_O_x86_THREAD_STATE_NONE = 13
 450 }
 451 bfd_mach_o_i386_thread_flavour;
 452
 453 #endif /* _MACH_O_LOADER_H */