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  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. 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. /* Load command constants.  */
  128. #define BFD_MACH_O_LC_REQ_DYLD 0x80000000
  129.  
  130. typedef enum bfd_mach_o_load_command_type
  131. {
  132.   BFD_MACH_O_LC_SEGMENT = 0x1,          /* File segment to be mapped.  */
  133.   BFD_MACH_O_LC_SYMTAB = 0x2,           /* Link-edit stab symbol table info (obsolete).  */
  134.   BFD_MACH_O_LC_SYMSEG = 0x3,           /* Link-edit gdb symbol table info.  */
  135.   BFD_MACH_O_LC_THREAD = 0x4,           /* Thread.  */
  136.   BFD_MACH_O_LC_UNIXTHREAD = 0x5,       /* UNIX thread (includes a stack).  */
  137.   BFD_MACH_O_LC_LOADFVMLIB = 0x6,       /* Load a fixed VM shared library.  */
  138.   BFD_MACH_O_LC_IDFVMLIB = 0x7,         /* Fixed VM shared library id.  */
  139.   BFD_MACH_O_LC_IDENT = 0x8,            /* Object identification information (obsolete).  */
  140.   BFD_MACH_O_LC_FVMFILE = 0x9,          /* Fixed VM file inclusion.  */
  141.   BFD_MACH_O_LC_PREPAGE = 0xa,          /* Prepage command (internal use).  */
  142.   BFD_MACH_O_LC_DYSYMTAB = 0xb,         /* Dynamic link-edit symbol table info.  */
  143.   BFD_MACH_O_LC_LOAD_DYLIB = 0xc,       /* Load a dynamically linked shared library.  */
  144.   BFD_MACH_O_LC_ID_DYLIB = 0xd,         /* Dynamically linked shared lib identification.  */
  145.   BFD_MACH_O_LC_LOAD_DYLINKER = 0xe,    /* Load a dynamic linker.  */
  146.   BFD_MACH_O_LC_ID_DYLINKER = 0xf,      /* Dynamic linker identification.  */
  147.   BFD_MACH_O_LC_PREBOUND_DYLIB = 0x10/* Modules prebound for a dynamically.  */
  148.   BFD_MACH_O_LC_ROUTINES = 0x11,        /* Image routines.  */
  149.   BFD_MACH_O_LC_SUB_FRAMEWORK = 0x12,   /* Sub framework.  */
  150.   BFD_MACH_O_LC_SUB_UMBRELLA = 0x13,    /* Sub umbrella.  */
  151.   BFD_MACH_O_LC_SUB_CLIENT = 0x14,      /* Sub client.  */
  152.   BFD_MACH_O_LC_SUB_LIBRARY = 0x15,     /* Sub library.  */
  153.   BFD_MACH_O_LC_TWOLEVEL_HINTS = 0x16/* Two-level namespace lookup hints.  */
  154.   BFD_MACH_O_LC_PREBIND_CKSUM = 0x17,   /* Prebind checksum.  */
  155.   /* Load a dynamically linked shared library that is allowed to be
  156.        missing (weak).  */
  157.   BFD_MACH_O_LC_LOAD_WEAK_DYLIB = 0x18,
  158.   BFD_MACH_O_LC_SEGMENT_64 = 0x19,      /* 64-bit segment of this file to be
  159.                                            mapped.  */
  160.   BFD_MACH_O_LC_ROUTINES_64 = 0x1a,     /* Address of the dyld init routine
  161.                                            in a dylib.  */
  162.   BFD_MACH_O_LC_UUID = 0x1b,            /* 128-bit UUID of the executable.  */
  163.   BFD_MACH_O_LC_RPATH = 0x1c,           /* Run path addiions.  */
  164.   BFD_MACH_O_LC_CODE_SIGNATURE = 0x1d/* Local of code signature.  */
  165.   BFD_MACH_O_LC_SEGMENT_SPLIT_INFO = 0x1e, /* Local of info to split seg.  */
  166.   BFD_MACH_O_LC_REEXPORT_DYLIB = 0x1f,  /* Load and re-export lib.  */
  167.   BFD_MACH_O_LC_LAZY_LOAD_DYLIB = 0x20, /* Delay load of lib until use.  */
  168.   BFD_MACH_O_LC_ENCRYPTION_INFO = 0x21, /* Encrypted segment info.  */
  169.   BFD_MACH_O_LC_DYLD_INFO = 0x22,       /* Compressed dyld information.  */
  170.   BFD_MACH_O_LC_LOAD_UPWARD_DYLIB = 0x23, /* Load upward dylib.  */
  171.   BFD_MACH_O_LC_VERSION_MIN_MACOSX = 0x24,   /* Minimal MacOSX version.  */
  172.   BFD_MACH_O_LC_VERSION_MIN_IPHONEOS = 0x25, /* Minimal IOS version.  */
  173.   BFD_MACH_O_LC_FUNCTION_STARTS = 0x26,  /* Compressed table of func start.  */
  174.   BFD_MACH_O_LC_DYLD_ENVIRONMENT = 0x27, /* Env variable string for dyld.  */
  175.   BFD_MACH_O_LC_MAIN = 0x28,             /* Entry point.  */
  176.   BFD_MACH_O_LC_DATA_IN_CODE = 0x29,     /* Table of non-instructions.  */
  177.   BFD_MACH_O_LC_SOURCE_VERSION = 0x2a,   /* Source version.  */
  178.   BFD_MACH_O_LC_DYLIB_CODE_SIGN_DRS = 0x2b /* DRs from dylibs.  */
  179. }
  180. bfd_mach_o_load_command_type;
  181. /* Section constants.  */
  182. /* Constants for the type of a section.  */
  183.  
  184. typedef enum bfd_mach_o_section_type
  185. {
  186.   /* Regular section.  */
  187.   BFD_MACH_O_S_REGULAR = 0x0,
  188.  
  189.   /* Zero fill on demand section.  */
  190.   BFD_MACH_O_S_ZEROFILL = 0x1,
  191.  
  192.   /* Section with only literal C strings.  */
  193.   BFD_MACH_O_S_CSTRING_LITERALS = 0x2,
  194.  
  195.   /* Section with only 4 byte literals.  */
  196.   BFD_MACH_O_S_4BYTE_LITERALS = 0x3,
  197.  
  198.   /* Section with only 8 byte literals.  */
  199.   BFD_MACH_O_S_8BYTE_LITERALS = 0x4,
  200.  
  201.   /* Section with only pointers to literals.  */
  202.   BFD_MACH_O_S_LITERAL_POINTERS = 0x5,
  203.  
  204.   /* For the two types of symbol pointers sections and the symbol stubs
  205.      section they have indirect symbol table entries.  For each of the
  206.      entries in the section the indirect symbol table entries, in
  207.      corresponding order in the indirect symbol table, start at the index
  208.      stored in the reserved1 field of the section structure.  Since the
  209.      indirect symbol table entries correspond to the entries in the
  210.      section the number of indirect symbol table entries is inferred from
  211.      the size of the section divided by the size of the entries in the
  212.      section.  For symbol pointers sections the size of the entries in
  213.      the section is 4 bytes and for symbol stubs sections the byte size
  214.      of the stubs is stored in the reserved2 field of the section
  215.      structure.  */
  216.  
  217.   /* Section with only non-lazy symbol pointers.  */
  218.   BFD_MACH_O_S_NON_LAZY_SYMBOL_POINTERS = 0x6,
  219.  
  220.   /* Section with only lazy symbol pointers.  */
  221.   BFD_MACH_O_S_LAZY_SYMBOL_POINTERS = 0x7,
  222.  
  223.   /* Section with only symbol stubs, byte size of stub in the reserved2
  224.      field.  */
  225.   BFD_MACH_O_S_SYMBOL_STUBS = 0x8,
  226.  
  227.   /* Section with only function pointers for initialization.  */
  228.   BFD_MACH_O_S_MOD_INIT_FUNC_POINTERS = 0x9,
  229.  
  230.   /* Section with only function pointers for termination.  */
  231.   BFD_MACH_O_S_MOD_FINI_FUNC_POINTERS = 0xa,
  232.  
  233.   /* Section contains symbols that are coalesced by the linkers.  */
  234.   BFD_MACH_O_S_COALESCED = 0xb,
  235.  
  236.   /* Zero fill on demand section (possibly larger than 4 GB).  */
  237.   BFD_MACH_O_S_GB_ZEROFILL = 0xc,
  238.  
  239.   /* Section with only pairs of function pointers for interposing.  */
  240.   BFD_MACH_O_S_INTERPOSING = 0xd,
  241.  
  242.   /* Section with only 16 byte literals.  */
  243.   BFD_MACH_O_S_16BYTE_LITERALS = 0xe,
  244.  
  245.   /* Section contains DTrace Object Format.  */
  246.   BFD_MACH_O_S_DTRACE_DOF = 0xf,
  247.  
  248.   /* Section with only lazy symbol pointers to lazy loaded dylibs.  */
  249.   BFD_MACH_O_S_LAZY_DYLIB_SYMBOL_POINTERS = 0x10
  250. }
  251. bfd_mach_o_section_type;
  252.  
  253. /* The flags field of a section structure is separated into two parts a section
  254.    type and section attributes.  The section types are mutually exclusive (it
  255.    can only have one type) but the section attributes are not (it may have more
  256.    than one attribute).  */
  257.  
  258. #define BFD_MACH_O_SECTION_TYPE_MASK        0x000000ff
  259.  
  260. /* Constants for the section attributes part of the flags field of a section
  261.    structure.  */
  262. #define BFD_MACH_O_SECTION_ATTRIBUTES_MASK  0xffffff00
  263. /* System setable attributes.  */
  264. #define BFD_MACH_O_SECTION_ATTRIBUTES_SYS   0x00ffff00
  265. /* User attributes.  */
  266. #define BFD_MACH_O_SECTION_ATTRIBUTES_USR   0xff000000
  267.  
  268. typedef enum bfd_mach_o_section_attribute
  269. {
  270.   /* Section has no specified attibutes.  */
  271.   BFD_MACH_O_S_ATTR_NONE              = 0,
  272.  
  273.   /* Section has local relocation entries.  */
  274.   BFD_MACH_O_S_ATTR_LOC_RELOC         = 0x00000100,
  275.  
  276.   /* Section has external relocation entries.  */
  277.   BFD_MACH_O_S_ATTR_EXT_RELOC         = 0x00000200,
  278.  
  279.   /* Section contains some machine instructions.  */
  280.   BFD_MACH_O_S_ATTR_SOME_INSTRUCTIONS = 0x00000400,
  281.  
  282.   /* A debug section.  */
  283.   BFD_MACH_O_S_ATTR_DEBUG             = 0x02000000,
  284.  
  285.   /* Used with i386 stubs.  */
  286.   BFD_MACH_O_S_SELF_MODIFYING_CODE    = 0x04000000,
  287.  
  288.   /* Blocks are live if they reference live blocks.  */
  289.   BFD_MACH_O_S_ATTR_LIVE_SUPPORT      = 0x08000000,
  290.  
  291.   /* No dead stripping.  */
  292.   BFD_MACH_O_S_ATTR_NO_DEAD_STRIP     = 0x10000000,
  293.  
  294.   /* Section symbols can be stripped in files with MH_DYLDLINK flag.  */
  295.   BFD_MACH_O_S_ATTR_STRIP_STATIC_SYMS = 0x20000000,
  296.  
  297.   /* Section contains coalesced symbols that are not to be in the TOC of an
  298.      archive.  */
  299.   BFD_MACH_O_S_ATTR_NO_TOC            = 0x40000000,
  300.  
  301.   /* Section contains only true machine instructions.  */
  302.   BFD_MACH_O_S_ATTR_PURE_INSTRUCTIONS = 0x80000000
  303. }
  304. bfd_mach_o_section_attribute;
  305. /* Symbol constants.  */
  306.  
  307. /* Symbol n_type values.  */
  308. #define BFD_MACH_O_N_STAB  0xe0 /* If any of these bits set, a symbolic debugging entry.  */
  309. #define BFD_MACH_O_N_PEXT  0x10 /* Private external symbol bit.  */
  310. #define BFD_MACH_O_N_TYPE  0x0e /* Mask for the type bits.  */
  311. #define BFD_MACH_O_N_EXT   0x01 /* External symbol bit, set for external symbols.  */
  312. #define BFD_MACH_O_N_UNDF  0x00 /* Undefined, n_sect == NO_SECT.  */
  313. #define BFD_MACH_O_N_ABS   0x02 /* Absolute, n_sect == NO_SECT.  */
  314. #define BFD_MACH_O_N_INDR  0x0a /* Indirect.  */
  315. #define BFD_MACH_O_N_PBUD  0x0c /* Prebound undefined (defined in a dylib).  */
  316. #define BFD_MACH_O_N_SECT  0x0e /* Defined in section number n_sect.  */
  317.  
  318. #define BFD_MACH_O_NO_SECT 0    /* Symbol not in any section of the image.  */
  319.  
  320. /* Symbol n_desc reference flags.  */
  321. #define BFD_MACH_O_REFERENCE_MASK                               0x07
  322. #define BFD_MACH_O_REFERENCE_FLAG_UNDEFINED_NON_LAZY            0x00
  323. #define BFD_MACH_O_REFERENCE_FLAG_UNDEFINED_LAZY                0x01
  324. #define BFD_MACH_O_REFERENCE_FLAG_DEFINED                       0x02
  325. #define BFD_MACH_O_REFERENCE_FLAG_PRIVATE_DEFINED               0x03
  326. #define BFD_MACH_O_REFERENCE_FLAG_PRIVATE_UNDEFINED_NON_LAZY    0x04
  327. #define BFD_MACH_O_REFERENCE_FLAG_PRIVATE_UNDEFINED_LAZY        0x05
  328.  
  329. #define BFD_MACH_O_REFERENCED_DYNAMICALLY                       0x10
  330. #define BFD_MACH_O_N_DESC_DISCARDED                             0x20
  331. #define BFD_MACH_O_N_NO_DEAD_STRIP                              0x20
  332. #define BFD_MACH_O_N_WEAK_REF                                   0x40
  333. #define BFD_MACH_O_N_WEAK_DEF                                   0x80
  334. #define BFD_MACH_O_N_REF_TO_WEAK                                0x80
  335.  
  336. #define BFD_MACH_O_N_ARM_THUMB_DEF                              0x08
  337. #define BFD_MACH_O_N_SYMBOL_RESOLVER                            0x100
  338.  
  339. #define BFD_MACH_O_INDIRECT_SYM_LOCAL                   0x80000000
  340. #define BFD_MACH_O_INDIRECT_SYM_ABS                     0x40000000
  341. /* Constants for dyld info rebase.  */
  342. #define BFD_MACH_O_REBASE_OPCODE_MASK     0xf0
  343. #define BFD_MACH_O_REBASE_IMMEDIATE_MASK  0x0f
  344.  
  345. /* The rebase opcodes.  */
  346. #define BFD_MACH_O_REBASE_OPCODE_DONE                               0x00
  347. #define BFD_MACH_O_REBASE_OPCODE_SET_TYPE_IMM                       0x10
  348. #define BFD_MACH_O_REBASE_OPCODE_SET_SEGMENT_AND_OFFSET_ULEB        0x20
  349. #define BFD_MACH_O_REBASE_OPCODE_ADD_ADDR_ULEB                      0x30
  350. #define BFD_MACH_O_REBASE_OPCODE_ADD_ADDR_IMM_SCALED                0x40
  351. #define BFD_MACH_O_REBASE_OPCODE_DO_REBASE_IMM_TIMES                0x50
  352. #define BFD_MACH_O_REBASE_OPCODE_DO_REBASE_ULEB_TIMES               0x60
  353. #define BFD_MACH_O_REBASE_OPCODE_DO_REBASE_ADD_ADDR_ULEB            0x70
  354. #define BFD_MACH_O_REBASE_OPCODE_DO_REBASE_ULEB_TIMES_SKIPPING_ULEB 0x80
  355.  
  356. /* The rebase type.  */
  357. #define BFD_MACH_O_REBASE_TYPE_POINTER            1
  358. #define BFD_MACH_O_REBASE_TYPE_TEXT_ABSOLUTE32    2
  359. #define BFD_MACH_O_REBASE_TYPE_TEXT_PCREL32       3
  360.  
  361. /* Constants for dyld info bind.  */
  362. #define BFD_MACH_O_BIND_OPCODE_MASK    0xf0
  363. #define BFD_MACH_O_BIND_IMMEDIATE_MASK 0x0f
  364.  
  365. /* The bind opcodes.  */
  366. #define BFD_MACH_O_BIND_OPCODE_DONE                              0x00
  367. #define BFD_MACH_O_BIND_OPCODE_SET_DYLIB_ORDINAL_IMM             0x10
  368. #define BFD_MACH_O_BIND_OPCODE_SET_DYLIB_ORDINAL_ULEB            0x20
  369. #define BFD_MACH_O_BIND_OPCODE_SET_DYLIB_SPECIAL_IMM             0x30
  370. #define BFD_MACH_O_BIND_OPCODE_SET_SYMBOL_TRAILING_FLAGS_IMM     0x40
  371. #define BFD_MACH_O_BIND_OPCODE_SET_TYPE_IMM                      0x50
  372. #define BFD_MACH_O_BIND_OPCODE_SET_ADDEND_SLEB                   0x60
  373. #define BFD_MACH_O_BIND_OPCODE_SET_SEGMENT_AND_OFFSET_ULEB       0x70
  374. #define BFD_MACH_O_BIND_OPCODE_ADD_ADDR_ULEB                     0x80
  375. #define BFD_MACH_O_BIND_OPCODE_DO_BIND                           0x90
  376. #define BFD_MACH_O_BIND_OPCODE_DO_BIND_ADD_ADDR_ULEB             0xa0
  377. #define BFD_MACH_O_BIND_OPCODE_DO_BIND_ADD_ADDR_IMM_SCALED       0xb0
  378. #define BFD_MACH_O_BIND_OPCODE_DO_BIND_ULEB_TIMES_SKIPPING_ULEB 0xc0
  379.  
  380. /* The bind types.  */
  381. #define BFD_MACH_O_BIND_TYPE_POINTER            1
  382. #define BFD_MACH_O_BIND_TYPE_TEXT_ABSOLUTE32    2
  383. #define BFD_MACH_O_BIND_TYPE_TEXT_PCREL32       3
  384.  
  385. /* The special dylib.  */
  386. #define BFD_MACH_O_BIND_SPECIAL_DYLIB_SELF             0
  387. #define BFD_MACH_O_BIND_SPECIAL_DYLIB_MAIN_EXECUTABLE -1
  388. #define BFD_MACH_O_BIND_SPECIAL_DYLIB_FLAT_LOOKUP     -2
  389.  
  390. /* Constants for dyld info export.  */
  391. #define BFD_MACH_O_EXPORT_SYMBOL_FLAGS_KIND_MASK            0x03
  392. #define BFD_MACH_O_EXPORT_SYMBOL_FLAGS_KIND_REGULAR         0x00
  393. #define BFD_MACH_O_EXPORT_SYMBOL_FLAGS_KIND_THREAD_LOCAL    0x01
  394. #define BFD_MACH_O_EXPORT_SYMBOL_FLAGS_WEAK_DEFINITION      0x04
  395. #define BFD_MACH_O_EXPORT_SYMBOL_FLAGS_REEXPORT             0x08
  396. #define BFD_MACH_O_EXPORT_SYMBOL_FLAGS_STUB_AND_RESOLVER    0x10
  397.  
  398. /* Constants for DATA_IN_CODE entries.  */
  399. typedef enum bfd_mach_o_data_in_code_entry_kind
  400. {
  401.   BFD_MACH_O_DICE_KIND_DATA         = 0x0001, /* Data */
  402.   BFD_MACH_O_DICE_JUMP_TABLES8      = 0x0002, /* 1 byte jump tables.  */
  403.   BFD_MACH_O_DICE_JUMP_TABLES16     = 0x0003, /* 2 bytes.  */
  404.   BFD_MACH_O_DICE_JUMP_TABLES32     = 0x0004, /* 4 bytes.  */
  405.   BFD_MACH_O_DICE_ABS_JUMP_TABLES32 = 0x0005  /* Absolute jump table.  */
  406. } bfd_mach_o_data_in_code_entry_kind;
  407.  
  408. /* Thread constants.  */
  409.  
  410. typedef enum bfd_mach_o_ppc_thread_flavour
  411. {
  412.   BFD_MACH_O_PPC_THREAD_STATE      = 1,
  413.   BFD_MACH_O_PPC_FLOAT_STATE       = 2,
  414.   BFD_MACH_O_PPC_EXCEPTION_STATE   = 3,
  415.   BFD_MACH_O_PPC_VECTOR_STATE      = 4,
  416.   BFD_MACH_O_PPC_THREAD_STATE64    = 5,
  417.   BFD_MACH_O_PPC_EXCEPTION_STATE64 = 6,
  418.   BFD_MACH_O_PPC_THREAD_STATE_NONE = 7
  419. }
  420. bfd_mach_o_ppc_thread_flavour;
  421.  
  422. /* Defined in <mach/i386/thread_status.h> */
  423. typedef enum bfd_mach_o_i386_thread_flavour
  424. {
  425.   BFD_MACH_O_x86_THREAD_STATE32    = 1,
  426.   BFD_MACH_O_x86_FLOAT_STATE32     = 2,
  427.   BFD_MACH_O_x86_EXCEPTION_STATE32 = 3,
  428.   BFD_MACH_O_x86_THREAD_STATE64    = 4,
  429.   BFD_MACH_O_x86_FLOAT_STATE64     = 5,
  430.   BFD_MACH_O_x86_EXCEPTION_STATE64 = 6,
  431.   BFD_MACH_O_x86_THREAD_STATE      = 7,
  432.   BFD_MACH_O_x86_FLOAT_STATE       = 8,
  433.   BFD_MACH_O_x86_EXCEPTION_STATE   = 9,
  434.   BFD_MACH_O_x86_DEBUG_STATE32     = 10,
  435.   BFD_MACH_O_x86_DEBUG_STATE64     = 11,
  436.   BFD_MACH_O_x86_DEBUG_STATE       = 12,
  437.   BFD_MACH_O_x86_THREAD_STATE_NONE = 13
  438. }
  439. bfd_mach_o_i386_thread_flavour;
  440.  
  441. #endif /* _MACH_O_LOADER_H */
  442.