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      1 /* Mach-O support for BFD.
      2    Copyright (C) 2011-2014 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 bfd_mach_o_cpu_subtype;
     81 
     82 typedef enum bfd_mach_o_filetype
     83 {
     84   BFD_MACH_O_MH_OBJECT      = 0x01,
     85   BFD_MACH_O_MH_EXECUTE     = 0x02,
     86   BFD_MACH_O_MH_FVMLIB      = 0x03,
     87   BFD_MACH_O_MH_CORE        = 0x04,
     88   BFD_MACH_O_MH_PRELOAD     = 0x05,
     89   BFD_MACH_O_MH_DYLIB       = 0x06,
     90   BFD_MACH_O_MH_DYLINKER    = 0x07,
     91   BFD_MACH_O_MH_BUNDLE      = 0x08,
     92   BFD_MACH_O_MH_DYLIB_STUB  = 0x09,
     93   BFD_MACH_O_MH_DSYM        = 0x0a,
     94   BFD_MACH_O_MH_KEXT_BUNDLE = 0x0b
     95 }
     96 bfd_mach_o_filetype;
     97 
     98 typedef enum bfd_mach_o_header_flags
     99 {
    100   BFD_MACH_O_MH_NOUNDEFS		= 0x0000001,
    101   BFD_MACH_O_MH_INCRLINK		= 0x0000002,
    102   BFD_MACH_O_MH_DYLDLINK		= 0x0000004,
    103   BFD_MACH_O_MH_BINDATLOAD		= 0x0000008,
    104   BFD_MACH_O_MH_PREBOUND		= 0x0000010,
    105   BFD_MACH_O_MH_SPLIT_SEGS		= 0x0000020,
    106   BFD_MACH_O_MH_LAZY_INIT		= 0x0000040,
    107   BFD_MACH_O_MH_TWOLEVEL		= 0x0000080,
    108   BFD_MACH_O_MH_FORCE_FLAT		= 0x0000100,
    109   BFD_MACH_O_MH_NOMULTIDEFS		= 0x0000200,
    110   BFD_MACH_O_MH_NOFIXPREBINDING		= 0x0000400,
    111   BFD_MACH_O_MH_PREBINDABLE		= 0x0000800,
    112   BFD_MACH_O_MH_ALLMODSBOUND		= 0x0001000,
    113   BFD_MACH_O_MH_SUBSECTIONS_VIA_SYMBOLS = 0x0002000,
    114   BFD_MACH_O_MH_CANONICAL		= 0x0004000,
    115   BFD_MACH_O_MH_WEAK_DEFINES		= 0x0008000,
    116   BFD_MACH_O_MH_BINDS_TO_WEAK		= 0x0010000,
    117   BFD_MACH_O_MH_ALLOW_STACK_EXECUTION	= 0x0020000,
    118   BFD_MACH_O_MH_ROOT_SAFE		= 0x0040000,
    119   BFD_MACH_O_MH_SETUID_SAFE		= 0x0080000,
    120   BFD_MACH_O_MH_NO_REEXPORTED_DYLIBS	= 0x0100000,
    121   BFD_MACH_O_MH_PIE			= 0x0200000,
    122   BFD_MACH_O_MH_DEAD_STRIPPABLE_DYLIB   = 0x0400000,
    123   BFD_MACH_O_MH_HAS_TLV_DESCRIPTORS     = 0x0800000,
    124   BFD_MACH_O_MH_NO_HEAP_EXECUTION       = 0x1000000
    125 }
    126 bfd_mach_o_header_flags;
    127 
    128 /* Load command constants.  */
    130 #define BFD_MACH_O_LC_REQ_DYLD 0x80000000
    131 
    132 typedef enum bfd_mach_o_load_command_type
    133 {
    134   BFD_MACH_O_LC_SEGMENT = 0x1,		/* File segment to be mapped.  */
    135   BFD_MACH_O_LC_SYMTAB = 0x2,		/* Link-edit stab symbol table info (obsolete).  */
    136   BFD_MACH_O_LC_SYMSEG = 0x3,		/* Link-edit gdb symbol table info.  */
    137   BFD_MACH_O_LC_THREAD = 0x4,		/* Thread.  */
    138   BFD_MACH_O_LC_UNIXTHREAD = 0x5,	/* UNIX thread (includes a stack).  */
    139   BFD_MACH_O_LC_LOADFVMLIB = 0x6,	/* Load a fixed VM shared library.  */
    140   BFD_MACH_O_LC_IDFVMLIB = 0x7,		/* Fixed VM shared library id.  */
    141   BFD_MACH_O_LC_IDENT = 0x8,		/* Object identification information (obsolete).  */
    142   BFD_MACH_O_LC_FVMFILE = 0x9,		/* Fixed VM file inclusion.  */
    143   BFD_MACH_O_LC_PREPAGE = 0xa,		/* Prepage command (internal use).  */
    144   BFD_MACH_O_LC_DYSYMTAB = 0xb,		/* Dynamic link-edit symbol table info.  */
    145   BFD_MACH_O_LC_LOAD_DYLIB = 0xc,	/* Load a dynamically linked shared library.  */
    146   BFD_MACH_O_LC_ID_DYLIB = 0xd,		/* Dynamically linked shared lib identification.  */
    147   BFD_MACH_O_LC_LOAD_DYLINKER = 0xe,	/* Load a dynamic linker.  */
    148   BFD_MACH_O_LC_ID_DYLINKER = 0xf,	/* Dynamic linker identification.  */
    149   BFD_MACH_O_LC_PREBOUND_DYLIB = 0x10,	/* Modules prebound for a dynamically.  */
    150   BFD_MACH_O_LC_ROUTINES = 0x11,	/* Image routines.  */
    151   BFD_MACH_O_LC_SUB_FRAMEWORK = 0x12,	/* Sub framework.  */
    152   BFD_MACH_O_LC_SUB_UMBRELLA = 0x13,	/* Sub umbrella.  */
    153   BFD_MACH_O_LC_SUB_CLIENT = 0x14,	/* Sub client.  */
    154   BFD_MACH_O_LC_SUB_LIBRARY = 0x15,   	/* Sub library.  */
    155   BFD_MACH_O_LC_TWOLEVEL_HINTS = 0x16,	/* Two-level namespace lookup hints.  */
    156   BFD_MACH_O_LC_PREBIND_CKSUM = 0x17, 	/* Prebind checksum.  */
    157   /* Load a dynamically linked shared library that is allowed to be
    158        missing (weak).  */
    159   BFD_MACH_O_LC_LOAD_WEAK_DYLIB = 0x18,
    160   BFD_MACH_O_LC_SEGMENT_64 = 0x19,	/* 64-bit segment of this file to be
    161                                            mapped.  */
    162   BFD_MACH_O_LC_ROUTINES_64 = 0x1a,     /* Address of the dyld init routine
    163                                            in a dylib.  */
    164   BFD_MACH_O_LC_UUID = 0x1b,            /* 128-bit UUID of the executable.  */
    165   BFD_MACH_O_LC_RPATH = 0x1c,		/* Run path addiions.  */
    166   BFD_MACH_O_LC_CODE_SIGNATURE = 0x1d,	/* Local of code signature.  */
    167   BFD_MACH_O_LC_SEGMENT_SPLIT_INFO = 0x1e, /* Local of info to split seg.  */
    168   BFD_MACH_O_LC_REEXPORT_DYLIB = 0x1f,  /* Load and re-export lib.  */
    169   BFD_MACH_O_LC_LAZY_LOAD_DYLIB = 0x20, /* Delay load of lib until use.  */
    170   BFD_MACH_O_LC_ENCRYPTION_INFO = 0x21, /* Encrypted segment info.  */
    171   BFD_MACH_O_LC_DYLD_INFO = 0x22,	/* Compressed dyld information.  */
    172   BFD_MACH_O_LC_LOAD_UPWARD_DYLIB = 0x23, /* Load upward dylib.  */
    173   BFD_MACH_O_LC_VERSION_MIN_MACOSX = 0x24,   /* Minimal MacOSX version.  */
    174   BFD_MACH_O_LC_VERSION_MIN_IPHONEOS = 0x25, /* Minimal IOS version.  */
    175   BFD_MACH_O_LC_FUNCTION_STARTS = 0x26,  /* Compressed table of func start.  */
    176   BFD_MACH_O_LC_DYLD_ENVIRONMENT = 0x27, /* Env variable string for dyld.  */
    177   BFD_MACH_O_LC_MAIN = 0x28,             /* Entry point.  */
    178   BFD_MACH_O_LC_DATA_IN_CODE = 0x29,     /* Table of non-instructions.  */
    179   BFD_MACH_O_LC_SOURCE_VERSION = 0x2a,   /* Source version.  */
    180   BFD_MACH_O_LC_DYLIB_CODE_SIGN_DRS = 0x2b /* DRs from dylibs.  */
    181 }
    182 bfd_mach_o_load_command_type;
    183 
    184 /* Section constants.  */
    186 /* Constants for the type of a section.  */
    187 
    188 typedef enum bfd_mach_o_section_type
    189 {
    190   /* Regular section.  */
    191   BFD_MACH_O_S_REGULAR = 0x0,
    192 
    193   /* Zero fill on demand section.  */
    194   BFD_MACH_O_S_ZEROFILL = 0x1,
    195 
    196   /* Section with only literal C strings.  */
    197   BFD_MACH_O_S_CSTRING_LITERALS = 0x2,
    198 
    199   /* Section with only 4 byte literals.  */
    200   BFD_MACH_O_S_4BYTE_LITERALS = 0x3,
    201 
    202   /* Section with only 8 byte literals.  */
    203   BFD_MACH_O_S_8BYTE_LITERALS = 0x4,
    204 
    205   /* Section with only pointers to literals.  */
    206   BFD_MACH_O_S_LITERAL_POINTERS = 0x5,
    207 
    208   /* For the two types of symbol pointers sections and the symbol stubs
    209      section they have indirect symbol table entries.  For each of the
    210      entries in the section the indirect symbol table entries, in
    211      corresponding order in the indirect symbol table, start at the index
    212      stored in the reserved1 field of the section structure.  Since the
    213      indirect symbol table entries correspond to the entries in the
    214      section the number of indirect symbol table entries is inferred from
    215      the size of the section divided by the size of the entries in the
    216      section.  For symbol pointers sections the size of the entries in
    217      the section is 4 bytes and for symbol stubs sections the byte size
    218      of the stubs is stored in the reserved2 field of the section
    219      structure.  */
    220 
    221   /* Section with only non-lazy symbol pointers.  */
    222   BFD_MACH_O_S_NON_LAZY_SYMBOL_POINTERS = 0x6,
    223 
    224   /* Section with only lazy symbol pointers.  */
    225   BFD_MACH_O_S_LAZY_SYMBOL_POINTERS = 0x7,
    226 
    227   /* Section with only symbol stubs, byte size of stub in the reserved2
    228      field.  */
    229   BFD_MACH_O_S_SYMBOL_STUBS = 0x8,
    230 
    231   /* Section with only function pointers for initialization.  */
    232   BFD_MACH_O_S_MOD_INIT_FUNC_POINTERS = 0x9,
    233 
    234   /* Section with only function pointers for termination.  */
    235   BFD_MACH_O_S_MOD_FINI_FUNC_POINTERS = 0xa,
    236 
    237   /* Section contains symbols that are coalesced by the linkers.  */
    238   BFD_MACH_O_S_COALESCED = 0xb,
    239 
    240   /* Zero fill on demand section (possibly larger than 4 GB).  */
    241   BFD_MACH_O_S_GB_ZEROFILL = 0xc,
    242 
    243   /* Section with only pairs of function pointers for interposing.  */
    244   BFD_MACH_O_S_INTERPOSING = 0xd,
    245 
    246   /* Section with only 16 byte literals.  */
    247   BFD_MACH_O_S_16BYTE_LITERALS = 0xe,
    248 
    249   /* Section contains DTrace Object Format.  */
    250   BFD_MACH_O_S_DTRACE_DOF = 0xf,
    251 
    252   /* Section with only lazy symbol pointers to lazy loaded dylibs.  */
    253   BFD_MACH_O_S_LAZY_DYLIB_SYMBOL_POINTERS = 0x10
    254 }
    255 bfd_mach_o_section_type;
    256 
    257 /* The flags field of a section structure is separated into two parts a section
    258    type and section attributes.  The section types are mutually exclusive (it
    259    can only have one type) but the section attributes are not (it may have more
    260    than one attribute).  */
    261 
    262 #define BFD_MACH_O_SECTION_TYPE_MASK        0x000000ff
    263 
    264 /* Constants for the section attributes part of the flags field of a section
    265    structure.  */
    266 #define BFD_MACH_O_SECTION_ATTRIBUTES_MASK  0xffffff00
    267 /* System setable attributes.  */
    268 #define BFD_MACH_O_SECTION_ATTRIBUTES_SYS   0x00ffff00
    269 /* User attributes.  */
    270 #define BFD_MACH_O_SECTION_ATTRIBUTES_USR   0xff000000
    271 
    272 typedef enum bfd_mach_o_section_attribute
    273 {
    274   /* Section has no specified attibutes.  */
    275   BFD_MACH_O_S_ATTR_NONE              = 0,
    276 
    277   /* Section has local relocation entries.  */
    278   BFD_MACH_O_S_ATTR_LOC_RELOC         = 0x00000100,
    279 
    280   /* Section has external relocation entries.  */
    281   BFD_MACH_O_S_ATTR_EXT_RELOC         = 0x00000200,
    282 
    283   /* Section contains some machine instructions.  */
    284   BFD_MACH_O_S_ATTR_SOME_INSTRUCTIONS = 0x00000400,
    285 
    286   /* A debug section.  */
    287   BFD_MACH_O_S_ATTR_DEBUG             = 0x02000000,
    288 
    289   /* Used with i386 stubs.  */
    290   BFD_MACH_O_S_SELF_MODIFYING_CODE    = 0x04000000,
    291 
    292   /* Blocks are live if they reference live blocks.  */
    293   BFD_MACH_O_S_ATTR_LIVE_SUPPORT      = 0x08000000,
    294 
    295   /* No dead stripping.  */
    296   BFD_MACH_O_S_ATTR_NO_DEAD_STRIP     = 0x10000000,
    297 
    298   /* Section symbols can be stripped in files with MH_DYLDLINK flag.  */
    299   BFD_MACH_O_S_ATTR_STRIP_STATIC_SYMS = 0x20000000,
    300 
    301   /* Section contains coalesced symbols that are not to be in the TOC of an
    302      archive.  */
    303   BFD_MACH_O_S_ATTR_NO_TOC            = 0x40000000,
    304 
    305   /* Section contains only true machine instructions.  */
    306   BFD_MACH_O_S_ATTR_PURE_INSTRUCTIONS = 0x80000000
    307 }
    308 bfd_mach_o_section_attribute;
    309 
    310 /* Symbol constants.  */
    312 
    313 /* Symbol n_type values.  */
    314 #define BFD_MACH_O_N_STAB  0xe0	/* If any of these bits set, a symbolic debugging entry.  */
    315 #define BFD_MACH_O_N_PEXT  0x10	/* Private external symbol bit.  */
    316 #define BFD_MACH_O_N_TYPE  0x0e	/* Mask for the type bits.  */
    317 #define BFD_MACH_O_N_EXT   0x01	/* External symbol bit, set for external symbols.  */
    318 #define BFD_MACH_O_N_UNDF  0x00	/* Undefined, n_sect == NO_SECT.  */
    319 #define BFD_MACH_O_N_ABS   0x02	/* Absolute, n_sect == NO_SECT.  */
    320 #define BFD_MACH_O_N_INDR  0x0a	/* Indirect.  */
    321 #define BFD_MACH_O_N_PBUD  0x0c /* Prebound undefined (defined in a dylib).  */
    322 #define BFD_MACH_O_N_SECT  0x0e	/* Defined in section number n_sect.  */
    323 
    324 #define BFD_MACH_O_NO_SECT 0	/* Symbol not in any section of the image.  */
    325 
    326 /* Symbol n_desc reference flags.  */
    327 #define BFD_MACH_O_REFERENCE_MASK 				0x07
    328 #define BFD_MACH_O_REFERENCE_FLAG_UNDEFINED_NON_LAZY		0x00
    329 #define BFD_MACH_O_REFERENCE_FLAG_UNDEFINED_LAZY		0x01
    330 #define BFD_MACH_O_REFERENCE_FLAG_DEFINED			0x02
    331 #define BFD_MACH_O_REFERENCE_FLAG_PRIVATE_DEFINED		0x03
    332 #define BFD_MACH_O_REFERENCE_FLAG_PRIVATE_UNDEFINED_NON_LAZY	0x04
    333 #define BFD_MACH_O_REFERENCE_FLAG_PRIVATE_UNDEFINED_LAZY	0x05
    334 
    335 #define BFD_MACH_O_REFERENCED_DYNAMICALLY			0x10
    336 #define BFD_MACH_O_N_DESC_DISCARDED				0x20
    337 #define BFD_MACH_O_N_NO_DEAD_STRIP				0x20
    338 #define BFD_MACH_O_N_WEAK_REF					0x40
    339 #define BFD_MACH_O_N_WEAK_DEF					0x80
    340 #define BFD_MACH_O_N_REF_TO_WEAK				0x80
    341 
    342 #define BFD_MACH_O_N_ARM_THUMB_DEF				0x08
    343 #define BFD_MACH_O_N_SYMBOL_RESOLVER				0x100
    344 
    345 #define BFD_MACH_O_INDIRECT_SYM_LOCAL			0x80000000
    346 #define BFD_MACH_O_INDIRECT_SYM_ABS			0x40000000
    347 
    348 /* Constants for dyld info rebase.  */
    350 #define BFD_MACH_O_REBASE_OPCODE_MASK     0xf0
    351 #define BFD_MACH_O_REBASE_IMMEDIATE_MASK  0x0f
    352 
    353 /* The rebase opcodes.  */
    354 #define BFD_MACH_O_REBASE_OPCODE_DONE                               0x00
    355 #define BFD_MACH_O_REBASE_OPCODE_SET_TYPE_IMM                       0x10
    356 #define BFD_MACH_O_REBASE_OPCODE_SET_SEGMENT_AND_OFFSET_ULEB        0x20
    357 #define BFD_MACH_O_REBASE_OPCODE_ADD_ADDR_ULEB                      0x30
    358 #define BFD_MACH_O_REBASE_OPCODE_ADD_ADDR_IMM_SCALED                0x40
    359 #define BFD_MACH_O_REBASE_OPCODE_DO_REBASE_IMM_TIMES                0x50
    360 #define BFD_MACH_O_REBASE_OPCODE_DO_REBASE_ULEB_TIMES               0x60
    361 #define BFD_MACH_O_REBASE_OPCODE_DO_REBASE_ADD_ADDR_ULEB            0x70
    362 #define BFD_MACH_O_REBASE_OPCODE_DO_REBASE_ULEB_TIMES_SKIPPING_ULEB 0x80
    363 
    364 /* The rebase type.  */
    365 #define BFD_MACH_O_REBASE_TYPE_POINTER            1
    366 #define BFD_MACH_O_REBASE_TYPE_TEXT_ABSOLUTE32    2
    367 #define BFD_MACH_O_REBASE_TYPE_TEXT_PCREL32       3
    368 
    369 /* Constants for dyld info bind.  */
    370 #define BFD_MACH_O_BIND_OPCODE_MASK    0xf0
    371 #define BFD_MACH_O_BIND_IMMEDIATE_MASK 0x0f
    372 
    373 /* The bind opcodes.  */
    374 #define BFD_MACH_O_BIND_OPCODE_DONE                   	      	 0x00
    375 #define BFD_MACH_O_BIND_OPCODE_SET_DYLIB_ORDINAL_IMM  	      	 0x10
    376 #define BFD_MACH_O_BIND_OPCODE_SET_DYLIB_ORDINAL_ULEB 	      	 0x20
    377 #define BFD_MACH_O_BIND_OPCODE_SET_DYLIB_SPECIAL_IMM  	      	 0x30
    378 #define BFD_MACH_O_BIND_OPCODE_SET_SYMBOL_TRAILING_FLAGS_IMM 	 0x40
    379 #define BFD_MACH_O_BIND_OPCODE_SET_TYPE_IMM                  	 0x50
    380 #define BFD_MACH_O_BIND_OPCODE_SET_ADDEND_SLEB               	 0x60
    381 #define BFD_MACH_O_BIND_OPCODE_SET_SEGMENT_AND_OFFSET_ULEB   	 0x70
    382 #define BFD_MACH_O_BIND_OPCODE_ADD_ADDR_ULEB                 	 0x80
    383 #define BFD_MACH_O_BIND_OPCODE_DO_BIND                       	 0x90
    384 #define BFD_MACH_O_BIND_OPCODE_DO_BIND_ADD_ADDR_ULEB         	 0xa0
    385 #define BFD_MACH_O_BIND_OPCODE_DO_BIND_ADD_ADDR_IMM_SCALED   	 0xb0
    386 #define BFD_MACH_O_BIND_OPCODE_DO_BIND_ULEB_TIMES_SKIPPING_ULEB 0xc0
    387 
    388 /* The bind types.  */
    389 #define BFD_MACH_O_BIND_TYPE_POINTER            1
    390 #define BFD_MACH_O_BIND_TYPE_TEXT_ABSOLUTE32    2
    391 #define BFD_MACH_O_BIND_TYPE_TEXT_PCREL32       3
    392 
    393 /* The special dylib.  */
    394 #define BFD_MACH_O_BIND_SPECIAL_DYLIB_SELF             0
    395 #define BFD_MACH_O_BIND_SPECIAL_DYLIB_MAIN_EXECUTABLE -1
    396 #define BFD_MACH_O_BIND_SPECIAL_DYLIB_FLAT_LOOKUP     -2
    397 
    398 /* Constants for dyld info export.  */
    399 #define BFD_MACH_O_EXPORT_SYMBOL_FLAGS_KIND_MASK            0x03
    400 #define BFD_MACH_O_EXPORT_SYMBOL_FLAGS_KIND_REGULAR         0x00
    401 #define BFD_MACH_O_EXPORT_SYMBOL_FLAGS_KIND_THREAD_LOCAL    0x01
    402 #define BFD_MACH_O_EXPORT_SYMBOL_FLAGS_WEAK_DEFINITION      0x04
    403 #define BFD_MACH_O_EXPORT_SYMBOL_FLAGS_REEXPORT             0x08
    404 #define BFD_MACH_O_EXPORT_SYMBOL_FLAGS_STUB_AND_RESOLVER    0x10
    405 
    406 /* Constants for DATA_IN_CODE entries.  */
    407 typedef enum bfd_mach_o_data_in_code_entry_kind
    408 {
    409   BFD_MACH_O_DICE_KIND_DATA         = 0x0001, /* Data */
    410   BFD_MACH_O_DICE_JUMP_TABLES8      = 0x0002, /* 1 byte jump tables.  */
    411   BFD_MACH_O_DICE_JUMP_TABLES16     = 0x0003, /* 2 bytes.  */
    412   BFD_MACH_O_DICE_JUMP_TABLES32     = 0x0004, /* 4 bytes.  */
    413   BFD_MACH_O_DICE_ABS_JUMP_TABLES32 = 0x0005  /* Absolute jump table.  */
    414 } bfd_mach_o_data_in_code_entry_kind;
    415 
    416 /* Thread constants.  */
    417 
    418 typedef enum bfd_mach_o_ppc_thread_flavour
    419 {
    420   BFD_MACH_O_PPC_THREAD_STATE      = 1,
    421   BFD_MACH_O_PPC_FLOAT_STATE       = 2,
    422   BFD_MACH_O_PPC_EXCEPTION_STATE   = 3,
    423   BFD_MACH_O_PPC_VECTOR_STATE      = 4,
    424   BFD_MACH_O_PPC_THREAD_STATE64    = 5,
    425   BFD_MACH_O_PPC_EXCEPTION_STATE64 = 6,
    426   BFD_MACH_O_PPC_THREAD_STATE_NONE = 7
    427 }
    428 bfd_mach_o_ppc_thread_flavour;
    429 
    430 /* Defined in <mach/i386/thread_status.h> */
    431 typedef enum bfd_mach_o_i386_thread_flavour
    432 {
    433   BFD_MACH_O_x86_THREAD_STATE32    = 1,
    434   BFD_MACH_O_x86_FLOAT_STATE32     = 2,
    435   BFD_MACH_O_x86_EXCEPTION_STATE32 = 3,
    436   BFD_MACH_O_x86_THREAD_STATE64    = 4,
    437   BFD_MACH_O_x86_FLOAT_STATE64     = 5,
    438   BFD_MACH_O_x86_EXCEPTION_STATE64 = 6,
    439   BFD_MACH_O_x86_THREAD_STATE      = 7,
    440   BFD_MACH_O_x86_FLOAT_STATE       = 8,
    441   BFD_MACH_O_x86_EXCEPTION_STATE   = 9,
    442   BFD_MACH_O_x86_DEBUG_STATE32     = 10,
    443   BFD_MACH_O_x86_DEBUG_STATE64     = 11,
    444   BFD_MACH_O_x86_DEBUG_STATE       = 12,
    445   BFD_MACH_O_x86_THREAD_STATE_NONE = 13
    446 }
    447 bfd_mach_o_i386_thread_flavour;
    448 
    449 #endif /* _MACH_O_LOADER_H */
    450