[thirdparty/binutils-gdb.git] / include / mach-o / loader.h

/* Mach-O support for BFD.
   Copyright (C) 2011-2018 Free Software Foundation, Inc.

   This file is part of BFD, the Binary File Descriptor library.

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 3 of the License, or
   (at your option) any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
   MA 02110-1301, USA.  */

#ifndef _MACH_O_LOADER_H
#define _MACH_O_LOADER_H

/* Constants for header. */

typedef enum bfd_mach_o_mach_header_magic
{
  BFD_MACH_O_MH_MAGIC    = 0xfeedface,
  BFD_MACH_O_MH_CIGAM    = 0xcefaedfe,
  BFD_MACH_O_MH_MAGIC_64 = 0xfeedfacf,
  BFD_MACH_O_MH_CIGAM_64 = 0xcffaedfe
}
bfd_mach_o_mach_header_magic;

/* Capability bits in cpu type.  */
#define BFD_MACH_O_CPU_ARCH_MASK  0xff000000
#define BFD_MACH_O_CPU_ARCH_ABI64 0x01000000
#define BFD_MACH_O_CPU_IS64BIT    0x01000000

typedef enum bfd_mach_o_cpu_type
{
  BFD_MACH_O_CPU_TYPE_VAX = 1,
  BFD_MACH_O_CPU_TYPE_MC680x0 = 6,
  BFD_MACH_O_CPU_TYPE_I386 = 7,
  BFD_MACH_O_CPU_TYPE_MIPS = 8,
  BFD_MACH_O_CPU_TYPE_MC98000 = 10,
  BFD_MACH_O_CPU_TYPE_HPPA = 11,
  BFD_MACH_O_CPU_TYPE_ARM = 12,
  BFD_MACH_O_CPU_TYPE_MC88000 = 13,
  BFD_MACH_O_CPU_TYPE_SPARC = 14,
  BFD_MACH_O_CPU_TYPE_I860 = 15,
  BFD_MACH_O_CPU_TYPE_ALPHA = 16,
  BFD_MACH_O_CPU_TYPE_POWERPC = 18,
  BFD_MACH_O_CPU_TYPE_POWERPC_64 =
    (BFD_MACH_O_CPU_TYPE_POWERPC | BFD_MACH_O_CPU_IS64BIT),
  BFD_MACH_O_CPU_TYPE_X86_64 =
    (BFD_MACH_O_CPU_TYPE_I386 | BFD_MACH_O_CPU_IS64BIT),
  BFD_MACH_O_CPU_TYPE_ARM64 =
    (BFD_MACH_O_CPU_TYPE_ARM | BFD_MACH_O_CPU_IS64BIT)
}
bfd_mach_o_cpu_type;

/* Capability bits in cpu subtype.  */
#define BFD_MACH_O_CPU_SUBTYPE_MASK  0xff000000
#define BFD_MACH_O_CPU_SUBTYPE_LIB64 0x80000000

typedef enum bfd_mach_o_cpu_subtype
{
  /* i386.  */
  BFD_MACH_O_CPU_SUBTYPE_X86_ALL = 3,

  /* arm.  */
  BFD_MACH_O_CPU_SUBTYPE_ARM_ALL = 0,
  BFD_MACH_O_CPU_SUBTYPE_ARM_V4T = 5,
  BFD_MACH_O_CPU_SUBTYPE_ARM_V6 = 6,
  BFD_MACH_O_CPU_SUBTYPE_ARM_V5TEJ = 7,
  BFD_MACH_O_CPU_SUBTYPE_ARM_XSCALE = 8,
  BFD_MACH_O_CPU_SUBTYPE_ARM_V7 = 9,

  /* arm64.  */
  BFD_MACH_O_CPU_SUBTYPE_ARM64_ALL = 0,
  BFD_MACH_O_CPU_SUBTYPE_ARM64_V8 = 1
}
bfd_mach_o_cpu_subtype;

typedef enum bfd_mach_o_filetype
{
  BFD_MACH_O_MH_OBJECT      = 0x01,
  BFD_MACH_O_MH_EXECUTE     = 0x02,
  BFD_MACH_O_MH_FVMLIB      = 0x03,
  BFD_MACH_O_MH_CORE        = 0x04,
  BFD_MACH_O_MH_PRELOAD     = 0x05,
  BFD_MACH_O_MH_DYLIB       = 0x06,
  BFD_MACH_O_MH_DYLINKER    = 0x07,
  BFD_MACH_O_MH_BUNDLE      = 0x08,
  BFD_MACH_O_MH_DYLIB_STUB  = 0x09,
  BFD_MACH_O_MH_DSYM        = 0x0a,
  BFD_MACH_O_MH_KEXT_BUNDLE = 0x0b
}
bfd_mach_o_filetype;

typedef enum bfd_mach_o_header_flags
{
  BFD_MACH_O_MH_NOUNDEFS		= 0x0000001,
  BFD_MACH_O_MH_INCRLINK		= 0x0000002,
  BFD_MACH_O_MH_DYLDLINK		= 0x0000004,
  BFD_MACH_O_MH_BINDATLOAD		= 0x0000008,
  BFD_MACH_O_MH_PREBOUND		= 0x0000010,
  BFD_MACH_O_MH_SPLIT_SEGS		= 0x0000020,
  BFD_MACH_O_MH_LAZY_INIT		= 0x0000040,
  BFD_MACH_O_MH_TWOLEVEL		= 0x0000080,
  BFD_MACH_O_MH_FORCE_FLAT		= 0x0000100,
  BFD_MACH_O_MH_NOMULTIDEFS		= 0x0000200,
  BFD_MACH_O_MH_NOFIXPREBINDING		= 0x0000400,
  BFD_MACH_O_MH_PREBINDABLE		= 0x0000800,
  BFD_MACH_O_MH_ALLMODSBOUND		= 0x0001000,
  BFD_MACH_O_MH_SUBSECTIONS_VIA_SYMBOLS = 0x0002000,
  BFD_MACH_O_MH_CANONICAL		= 0x0004000,
  BFD_MACH_O_MH_WEAK_DEFINES		= 0x0008000,
  BFD_MACH_O_MH_BINDS_TO_WEAK		= 0x0010000,
  BFD_MACH_O_MH_ALLOW_STACK_EXECUTION	= 0x0020000,
  BFD_MACH_O_MH_ROOT_SAFE		= 0x0040000,
  BFD_MACH_O_MH_SETUID_SAFE		= 0x0080000,
  BFD_MACH_O_MH_NO_REEXPORTED_DYLIBS	= 0x0100000,
  BFD_MACH_O_MH_PIE			= 0x0200000,
  BFD_MACH_O_MH_DEAD_STRIPPABLE_DYLIB   = 0x0400000,
  BFD_MACH_O_MH_HAS_TLV_DESCRIPTORS     = 0x0800000,
  BFD_MACH_O_MH_NO_HEAP_EXECUTION       = 0x1000000,
  BFD_MACH_O_MH_APP_EXTENSION_SAFE      = 0x2000000
}
bfd_mach_o_header_flags;
\f
/* Load command constants.  */
#define BFD_MACH_O_LC_REQ_DYLD 0x80000000

typedef enum bfd_mach_o_load_command_type
{
  BFD_MACH_O_LC_SEGMENT = 0x1,		/* File segment to be mapped.  */
  BFD_MACH_O_LC_SYMTAB = 0x2,		/* Link-edit stab symbol table info (obsolete).  */
  BFD_MACH_O_LC_SYMSEG = 0x3,		/* Link-edit gdb symbol table info.  */
  BFD_MACH_O_LC_THREAD = 0x4,		/* Thread.  */
  BFD_MACH_O_LC_UNIXTHREAD = 0x5,	/* UNIX thread (includes a stack).  */
  BFD_MACH_O_LC_LOADFVMLIB = 0x6,	/* Load a fixed VM shared library.  */
  BFD_MACH_O_LC_IDFVMLIB = 0x7,		/* Fixed VM shared library id.  */
  BFD_MACH_O_LC_IDENT = 0x8,		/* Object identification information (obsolete).  */
  BFD_MACH_O_LC_FVMFILE = 0x9,		/* Fixed VM file inclusion.  */
  BFD_MACH_O_LC_PREPAGE = 0xa,		/* Prepage command (internal use).  */
  BFD_MACH_O_LC_DYSYMTAB = 0xb,		/* Dynamic link-edit symbol table info.  */
  BFD_MACH_O_LC_LOAD_DYLIB = 0xc,	/* Load a dynamically linked shared library.  */
  BFD_MACH_O_LC_ID_DYLIB = 0xd,		/* Dynamically linked shared lib identification.  */
  BFD_MACH_O_LC_LOAD_DYLINKER = 0xe,	/* Load a dynamic linker.  */
  BFD_MACH_O_LC_ID_DYLINKER = 0xf,	/* Dynamic linker identification.  */
  BFD_MACH_O_LC_PREBOUND_DYLIB = 0x10,	/* Modules prebound for a dynamically.  */
  BFD_MACH_O_LC_ROUTINES = 0x11,	/* Image routines.  */
  BFD_MACH_O_LC_SUB_FRAMEWORK = 0x12,	/* Sub framework.  */
  BFD_MACH_O_LC_SUB_UMBRELLA = 0x13,	/* Sub umbrella.  */
  BFD_MACH_O_LC_SUB_CLIENT = 0x14,	/* Sub client.  */
  BFD_MACH_O_LC_SUB_LIBRARY = 0x15,   	/* Sub library.  */
  BFD_MACH_O_LC_TWOLEVEL_HINTS = 0x16,	/* Two-level namespace lookup hints.  */
  BFD_MACH_O_LC_PREBIND_CKSUM = 0x17, 	/* Prebind checksum.  */
  /* Load a dynamically linked shared library that is allowed to be
       missing (weak).  */
  BFD_MACH_O_LC_LOAD_WEAK_DYLIB = 0x18,
  BFD_MACH_O_LC_SEGMENT_64 = 0x19,	/* 64-bit segment of this file to be
                                           mapped.  */
  BFD_MACH_O_LC_ROUTINES_64 = 0x1a,     /* Address of the dyld init routine
                                           in a dylib.  */
  BFD_MACH_O_LC_UUID = 0x1b,            /* 128-bit UUID of the executable.  */
  BFD_MACH_O_LC_RPATH = 0x1c,		/* Run path addiions.  */
  BFD_MACH_O_LC_CODE_SIGNATURE = 0x1d,	/* Local of code signature.  */
  BFD_MACH_O_LC_SEGMENT_SPLIT_INFO = 0x1e, /* Local of info to split seg.  */
  BFD_MACH_O_LC_REEXPORT_DYLIB = 0x1f,  /* Load and re-export lib.  */
  BFD_MACH_O_LC_LAZY_LOAD_DYLIB = 0x20, /* Delay load of lib until use.  */
  BFD_MACH_O_LC_ENCRYPTION_INFO = 0x21, /* Encrypted segment info.  */
  BFD_MACH_O_LC_DYLD_INFO = 0x22,	/* Compressed dyld information.  */
  BFD_MACH_O_LC_LOAD_UPWARD_DYLIB = 0x23, /* Load upward dylib.  */
  BFD_MACH_O_LC_VERSION_MIN_MACOSX = 0x24,   /* Minimal MacOSX version.  */
  BFD_MACH_O_LC_VERSION_MIN_IPHONEOS = 0x25, /* Minimal IOS version.  */
  BFD_MACH_O_LC_FUNCTION_STARTS = 0x26,  /* Compressed table of func start.  */
  BFD_MACH_O_LC_DYLD_ENVIRONMENT = 0x27, /* Env variable string for dyld.  */
  BFD_MACH_O_LC_MAIN = 0x28,             /* Entry point.  */
  BFD_MACH_O_LC_DATA_IN_CODE = 0x29,     /* Table of non-instructions.  */
  BFD_MACH_O_LC_SOURCE_VERSION = 0x2a,   /* Source version.  */
  BFD_MACH_O_LC_DYLIB_CODE_SIGN_DRS = 0x2b, /* DRs from dylibs.  */
  BFD_MACH_O_LC_ENCRYPTION_INFO_64 = 0x2c, /* Encrypted 64 bit seg info.  */
  BFD_MACH_O_LC_LINKER_OPTIONS = 0x2d,	/* Linker options.  */
  BFD_MACH_O_LC_LINKER_OPTIMIZATION_HINT = 0x2e, /* Optimization hints.  */
  BFD_MACH_O_LC_VERSION_MIN_WATCHOS = 0x30 /* Minimal WatchOS version.  */
}
bfd_mach_o_load_command_type;
\f
/* Section constants.  */
/* Constants for the type of a section.  */

typedef enum bfd_mach_o_section_type
{
  /* Regular section.  */
  BFD_MACH_O_S_REGULAR = 0x0,

  /* Zero fill on demand section.  */
  BFD_MACH_O_S_ZEROFILL = 0x1,

  /* Section with only literal C strings.  */
  BFD_MACH_O_S_CSTRING_LITERALS = 0x2,

  /* Section with only 4 byte literals.  */
  BFD_MACH_O_S_4BYTE_LITERALS = 0x3,

  /* Section with only 8 byte literals.  */
  BFD_MACH_O_S_8BYTE_LITERALS = 0x4,

  /* Section with only pointers to literals.  */
  BFD_MACH_O_S_LITERAL_POINTERS = 0x5,

  /* For the two types of symbol pointers sections and the symbol stubs
     section they have indirect symbol table entries.  For each of the
     entries in the section the indirect symbol table entries, in
     corresponding order in the indirect symbol table, start at the index
     stored in the reserved1 field of the section structure.  Since the
     indirect symbol table entries correspond to the entries in the
     section the number of indirect symbol table entries is inferred from
     the size of the section divided by the size of the entries in the
     section.  For symbol pointers sections the size of the entries in
     the section is 4 bytes and for symbol stubs sections the byte size
     of the stubs is stored in the reserved2 field of the section
     structure.  */

  /* Section with only non-lazy symbol pointers.  */
  BFD_MACH_O_S_NON_LAZY_SYMBOL_POINTERS = 0x6,

  /* Section with only lazy symbol pointers.  */
  BFD_MACH_O_S_LAZY_SYMBOL_POINTERS = 0x7,

  /* Section with only symbol stubs, byte size of stub in the reserved2
     field.  */
  BFD_MACH_O_S_SYMBOL_STUBS = 0x8,

  /* Section with only function pointers for initialization.  */
  BFD_MACH_O_S_MOD_INIT_FUNC_POINTERS = 0x9,

  /* Section with only function pointers for termination.  */
  BFD_MACH_O_S_MOD_FINI_FUNC_POINTERS = 0xa,

  /* Section contains symbols that are coalesced by the linkers.  */
  BFD_MACH_O_S_COALESCED = 0xb,

  /* Zero fill on demand section (possibly larger than 4 GB).  */
  BFD_MACH_O_S_GB_ZEROFILL = 0xc,

  /* Section with only pairs of function pointers for interposing.  */
  BFD_MACH_O_S_INTERPOSING = 0xd,

  /* Section with only 16 byte literals.  */
  BFD_MACH_O_S_16BYTE_LITERALS = 0xe,

  /* Section contains DTrace Object Format.  */
  BFD_MACH_O_S_DTRACE_DOF = 0xf,

  /* Section with only lazy symbol pointers to lazy loaded dylibs.  */
  BFD_MACH_O_S_LAZY_DYLIB_SYMBOL_POINTERS = 0x10
}
bfd_mach_o_section_type;

/* The flags field of a section structure is separated into two parts a section
   type and section attributes.  The section types are mutually exclusive (it
   can only have one type) but the section attributes are not (it may have more
   than one attribute).  */

#define BFD_MACH_O_SECTION_TYPE_MASK        0x000000ff

/* Constants for the section attributes part of the flags field of a section
   structure.  */
#define BFD_MACH_O_SECTION_ATTRIBUTES_MASK  0xffffff00
/* System setable attributes.  */
#define BFD_MACH_O_SECTION_ATTRIBUTES_SYS   0x00ffff00
/* User attributes.  */
#define BFD_MACH_O_SECTION_ATTRIBUTES_USR   0xff000000

typedef enum bfd_mach_o_section_attribute
{
  /* Section has no specified attibutes.  */
  BFD_MACH_O_S_ATTR_NONE              = 0,

  /* Section has local relocation entries.  */
  BFD_MACH_O_S_ATTR_LOC_RELOC         = 0x00000100,

  /* Section has external relocation entries.  */
  BFD_MACH_O_S_ATTR_EXT_RELOC         = 0x00000200,

  /* Section contains some machine instructions.  */
  BFD_MACH_O_S_ATTR_SOME_INSTRUCTIONS = 0x00000400,

  /* A debug section.  */
  BFD_MACH_O_S_ATTR_DEBUG             = 0x02000000,

  /* Used with i386 stubs.  */
  BFD_MACH_O_S_SELF_MODIFYING_CODE    = 0x04000000,

  /* Blocks are live if they reference live blocks.  */
  BFD_MACH_O_S_ATTR_LIVE_SUPPORT      = 0x08000000,

  /* No dead stripping.  */
  BFD_MACH_O_S_ATTR_NO_DEAD_STRIP     = 0x10000000,

  /* Section symbols can be stripped in files with MH_DYLDLINK flag.  */
  BFD_MACH_O_S_ATTR_STRIP_STATIC_SYMS = 0x20000000,

  /* Section contains coalesced symbols that are not to be in the TOC of an
     archive.  */
  BFD_MACH_O_S_ATTR_NO_TOC            = 0x40000000,

  /* Section contains only true machine instructions.  */
  BFD_MACH_O_S_ATTR_PURE_INSTRUCTIONS = 0x80000000
}
bfd_mach_o_section_attribute;
\f
/* Symbol constants.  */

/* Symbol n_type values.  */
#define BFD_MACH_O_N_STAB  0xe0	/* If any of these bits set, a symbolic debugging entry.  */
#define BFD_MACH_O_N_PEXT  0x10	/* Private external symbol bit.  */
#define BFD_MACH_O_N_TYPE  0x0e	/* Mask for the type bits.  */
#define BFD_MACH_O_N_EXT   0x01	/* External symbol bit, set for external symbols.  */
#define BFD_MACH_O_N_UNDF  0x00	/* Undefined, n_sect == NO_SECT.  */
#define BFD_MACH_O_N_ABS   0x02	/* Absolute, n_sect == NO_SECT.  */
#define BFD_MACH_O_N_INDR  0x0a	/* Indirect.  */
#define BFD_MACH_O_N_PBUD  0x0c /* Prebound undefined (defined in a dylib).  */
#define BFD_MACH_O_N_SECT  0x0e	/* Defined in section number n_sect.  */

#define BFD_MACH_O_NO_SECT 0	/* Symbol not in any section of the image.  */

/* Symbol n_desc reference flags.  */
#define BFD_MACH_O_REFERENCE_MASK 				0x07
#define BFD_MACH_O_REFERENCE_FLAG_UNDEFINED_NON_LAZY		0x00
#define BFD_MACH_O_REFERENCE_FLAG_UNDEFINED_LAZY		0x01
#define BFD_MACH_O_REFERENCE_FLAG_DEFINED			0x02
#define BFD_MACH_O_REFERENCE_FLAG_PRIVATE_DEFINED		0x03
#define BFD_MACH_O_REFERENCE_FLAG_PRIVATE_UNDEFINED_NON_LAZY	0x04
#define BFD_MACH_O_REFERENCE_FLAG_PRIVATE_UNDEFINED_LAZY	0x05

#define BFD_MACH_O_REFERENCED_DYNAMICALLY			0x10
#define BFD_MACH_O_N_DESC_DISCARDED				0x20
#define BFD_MACH_O_N_NO_DEAD_STRIP				0x20
#define BFD_MACH_O_N_WEAK_REF					0x40
#define BFD_MACH_O_N_WEAK_DEF					0x80
#define BFD_MACH_O_N_REF_TO_WEAK				0x80

#define BFD_MACH_O_N_ARM_THUMB_DEF				0x08
#define BFD_MACH_O_N_SYMBOL_RESOLVER				0x100

#define BFD_MACH_O_INDIRECT_SYM_LOCAL			0x80000000
#define BFD_MACH_O_INDIRECT_SYM_ABS			0x40000000
\f
/* Constants for dyld info rebase.  */
#define BFD_MACH_O_REBASE_OPCODE_MASK     0xf0
#define BFD_MACH_O_REBASE_IMMEDIATE_MASK  0x0f

/* The rebase opcodes.  */
#define BFD_MACH_O_REBASE_OPCODE_DONE                               0x00
#define BFD_MACH_O_REBASE_OPCODE_SET_TYPE_IMM                       0x10
#define BFD_MACH_O_REBASE_OPCODE_SET_SEGMENT_AND_OFFSET_ULEB        0x20
#define BFD_MACH_O_REBASE_OPCODE_ADD_ADDR_ULEB                      0x30
#define BFD_MACH_O_REBASE_OPCODE_ADD_ADDR_IMM_SCALED                0x40
#define BFD_MACH_O_REBASE_OPCODE_DO_REBASE_IMM_TIMES                0x50
#define BFD_MACH_O_REBASE_OPCODE_DO_REBASE_ULEB_TIMES               0x60
#define BFD_MACH_O_REBASE_OPCODE_DO_REBASE_ADD_ADDR_ULEB            0x70
#define BFD_MACH_O_REBASE_OPCODE_DO_REBASE_ULEB_TIMES_SKIPPING_ULEB 0x80

/* The rebase type.  */
#define BFD_MACH_O_REBASE_TYPE_POINTER            1
#define BFD_MACH_O_REBASE_TYPE_TEXT_ABSOLUTE32    2
#define BFD_MACH_O_REBASE_TYPE_TEXT_PCREL32       3

/* Constants for dyld info bind.  */
#define BFD_MACH_O_BIND_OPCODE_MASK    0xf0
#define BFD_MACH_O_BIND_IMMEDIATE_MASK 0x0f

/* The bind opcodes.  */
#define BFD_MACH_O_BIND_OPCODE_DONE                   	      	 0x00
#define BFD_MACH_O_BIND_OPCODE_SET_DYLIB_ORDINAL_IMM  	      	 0x10
#define BFD_MACH_O_BIND_OPCODE_SET_DYLIB_ORDINAL_ULEB 	      	 0x20
#define BFD_MACH_O_BIND_OPCODE_SET_DYLIB_SPECIAL_IMM  	      	 0x30
#define BFD_MACH_O_BIND_OPCODE_SET_SYMBOL_TRAILING_FLAGS_IMM 	 0x40
#define BFD_MACH_O_BIND_OPCODE_SET_TYPE_IMM                  	 0x50
#define BFD_MACH_O_BIND_OPCODE_SET_ADDEND_SLEB               	 0x60
#define BFD_MACH_O_BIND_OPCODE_SET_SEGMENT_AND_OFFSET_ULEB   	 0x70
#define BFD_MACH_O_BIND_OPCODE_ADD_ADDR_ULEB                 	 0x80
#define BFD_MACH_O_BIND_OPCODE_DO_BIND                       	 0x90
#define BFD_MACH_O_BIND_OPCODE_DO_BIND_ADD_ADDR_ULEB         	 0xa0
#define BFD_MACH_O_BIND_OPCODE_DO_BIND_ADD_ADDR_IMM_SCALED   	 0xb0
#define BFD_MACH_O_BIND_OPCODE_DO_BIND_ULEB_TIMES_SKIPPING_ULEB 0xc0

/* The bind types.  */
#define BFD_MACH_O_BIND_TYPE_POINTER            1
#define BFD_MACH_O_BIND_TYPE_TEXT_ABSOLUTE32    2
#define BFD_MACH_O_BIND_TYPE_TEXT_PCREL32       3

/* The special dylib.  */
#define BFD_MACH_O_BIND_SPECIAL_DYLIB_SELF             0
#define BFD_MACH_O_BIND_SPECIAL_DYLIB_MAIN_EXECUTABLE -1
#define BFD_MACH_O_BIND_SPECIAL_DYLIB_FLAT_LOOKUP     -2

/* Constants for dyld info export.  */
#define BFD_MACH_O_EXPORT_SYMBOL_FLAGS_KIND_MASK            0x03
#define BFD_MACH_O_EXPORT_SYMBOL_FLAGS_KIND_REGULAR         0x00
#define BFD_MACH_O_EXPORT_SYMBOL_FLAGS_KIND_THREAD_LOCAL    0x01
#define BFD_MACH_O_EXPORT_SYMBOL_FLAGS_WEAK_DEFINITION      0x04
#define BFD_MACH_O_EXPORT_SYMBOL_FLAGS_REEXPORT             0x08
#define BFD_MACH_O_EXPORT_SYMBOL_FLAGS_STUB_AND_RESOLVER    0x10

/* Constants for DATA_IN_CODE entries.  */
typedef enum bfd_mach_o_data_in_code_entry_kind
{
  BFD_MACH_O_DICE_KIND_DATA         = 0x0001, /* Data */
  BFD_MACH_O_DICE_JUMP_TABLES8      = 0x0002, /* 1 byte jump tables.  */
  BFD_MACH_O_DICE_JUMP_TABLES16     = 0x0003, /* 2 bytes.  */
  BFD_MACH_O_DICE_JUMP_TABLES32     = 0x0004, /* 4 bytes.  */
  BFD_MACH_O_DICE_ABS_JUMP_TABLES32 = 0x0005  /* Absolute jump table.  */
} bfd_mach_o_data_in_code_entry_kind;

/* Thread constants.  */

typedef enum bfd_mach_o_ppc_thread_flavour
{
  BFD_MACH_O_PPC_THREAD_STATE      = 1,
  BFD_MACH_O_PPC_FLOAT_STATE       = 2,
  BFD_MACH_O_PPC_EXCEPTION_STATE   = 3,
  BFD_MACH_O_PPC_VECTOR_STATE      = 4,
  BFD_MACH_O_PPC_THREAD_STATE64    = 5,
  BFD_MACH_O_PPC_EXCEPTION_STATE64 = 6,
  BFD_MACH_O_PPC_THREAD_STATE_NONE = 7
}
bfd_mach_o_ppc_thread_flavour;

/* Defined in <mach/i386/thread_status.h> */
typedef enum bfd_mach_o_i386_thread_flavour
{
  BFD_MACH_O_x86_THREAD_STATE32    = 1,
  BFD_MACH_O_x86_FLOAT_STATE32     = 2,
  BFD_MACH_O_x86_EXCEPTION_STATE32 = 3,
  BFD_MACH_O_x86_THREAD_STATE64    = 4,
  BFD_MACH_O_x86_FLOAT_STATE64     = 5,
  BFD_MACH_O_x86_EXCEPTION_STATE64 = 6,
  BFD_MACH_O_x86_THREAD_STATE      = 7,
  BFD_MACH_O_x86_FLOAT_STATE       = 8,
  BFD_MACH_O_x86_EXCEPTION_STATE   = 9,
  BFD_MACH_O_x86_DEBUG_STATE32     = 10,
  BFD_MACH_O_x86_DEBUG_STATE64     = 11,
  BFD_MACH_O_x86_DEBUG_STATE       = 12,
  BFD_MACH_O_x86_THREAD_STATE_NONE = 13
}
bfd_mach_o_i386_thread_flavour;

#endif /* _MACH_O_LOADER_H */
Commit	Line	Data
74f26653	1	/* Mach-O support for BFD.
219d1afa	2	Copyright (C) 2011-2018 Free Software Foundation, Inc.
74f26653 TG	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
46d1c23b	24	/* Constants for header. */
74f26653 TG	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
12241a34 TG	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
46d1c23b TG	39
46d1c23b TG	40	typedef enum bfd_mach_o_cpu_type
74f26653	41	{
46d1c23b TG	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,
d8028530 TG	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)
74f26653	60	}
46d1c23b	61	bfd_mach_o_cpu_type;
74f26653	62
12241a34 TG	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
46d1c23b	67	typedef enum bfd_mach_o_cpu_subtype
74f26653	68	{
0b2de107 TG	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,
c25b1ab6 TG	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
74f26653	83	}
46d1c23b TG	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;
74f26653	101
46d1c23b TG	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,
b4687fcc TG	128	BFD_MACH_O_MH_NO_HEAP_EXECUTION = 0x1000000,
b4687fcc TG	129	BFD_MACH_O_MH_APP_EXTENSION_SAFE = 0x2000000
46d1c23b TG	130	}
	131	bfd_mach_o_header_flags;
	132	\f
	133	/* Load command constants. */
74f26653 TG	134	#define BFD_MACH_O_LC_REQ_DYLD 0x80000000
	135
	136	typedef enum bfd_mach_o_load_command_type
	137	{
	138	BFD_MACH_O_LC_SEGMENT = 0x1, /* File segment to be mapped. */
	139	BFD_MACH_O_LC_SYMTAB = 0x2, /* Link-edit stab symbol table info (obsolete). */
	140	BFD_MACH_O_LC_SYMSEG = 0x3, /* Link-edit gdb symbol table info. */
	141	BFD_MACH_O_LC_THREAD = 0x4, /* Thread. */
	142	BFD_MACH_O_LC_UNIXTHREAD = 0x5, /* UNIX thread (includes a stack). */
	143	BFD_MACH_O_LC_LOADFVMLIB = 0x6, /* Load a fixed VM shared library. */
	144	BFD_MACH_O_LC_IDFVMLIB = 0x7, /* Fixed VM shared library id. */
	145	BFD_MACH_O_LC_IDENT = 0x8, /* Object identification information (obsolete). */
	146	BFD_MACH_O_LC_FVMFILE = 0x9, /* Fixed VM file inclusion. */
	147	BFD_MACH_O_LC_PREPAGE = 0xa, /* Prepage command (internal use). */
	148	BFD_MACH_O_LC_DYSYMTAB = 0xb, /* Dynamic link-edit symbol table info. */
	149	BFD_MACH_O_LC_LOAD_DYLIB = 0xc, /* Load a dynamically linked shared library. */
	150	BFD_MACH_O_LC_ID_DYLIB = 0xd, /* Dynamically linked shared lib identification. */
	151	BFD_MACH_O_LC_LOAD_DYLINKER = 0xe, /* Load a dynamic linker. */
	152	BFD_MACH_O_LC_ID_DYLINKER = 0xf, /* Dynamic linker identification. */
	153	BFD_MACH_O_LC_PREBOUND_DYLIB = 0x10, /* Modules prebound for a dynamically. */
	154	BFD_MACH_O_LC_ROUTINES = 0x11, /* Image routines. */
	155	BFD_MACH_O_LC_SUB_FRAMEWORK = 0x12, /* Sub framework. */
	156	BFD_MACH_O_LC_SUB_UMBRELLA = 0x13, /* Sub umbrella. */
	157	BFD_MACH_O_LC_SUB_CLIENT = 0x14, /* Sub client. */
	158	BFD_MACH_O_LC_SUB_LIBRARY = 0x15, /* Sub library. */
	159	BFD_MACH_O_LC_TWOLEVEL_HINTS = 0x16, /* Two-level namespace lookup hints. */
	160	BFD_MACH_O_LC_PREBIND_CKSUM = 0x17, /* Prebind checksum. */
	161	/* Load a dynamically linked shared library that is allowed to be
	162	missing (weak). */
	163	BFD_MACH_O_LC_LOAD_WEAK_DYLIB = 0x18,
91cb7781	164	BFD_MACH_O_LC_SEGMENT_64 = 0x19, /* 64-bit segment of this file to be
74f26653	165	mapped. */
91cb7781	166	BFD_MACH_O_LC_ROUTINES_64 = 0x1a, /* Address of the dyld init routine
74f26653 TG	167	in a dylib. */
	168	BFD_MACH_O_LC_UUID = 0x1b, /* 128-bit UUID of the executable. */
	169	BFD_MACH_O_LC_RPATH = 0x1c, /* Run path addiions. */
	170	BFD_MACH_O_LC_CODE_SIGNATURE = 0x1d, /* Local of code signature. */
	171	BFD_MACH_O_LC_SEGMENT_SPLIT_INFO = 0x1e, /* Local of info to split seg. */
	172	BFD_MACH_O_LC_REEXPORT_DYLIB = 0x1f, /* Load and re-export lib. */
	173	BFD_MACH_O_LC_LAZY_LOAD_DYLIB = 0x20, /* Delay load of lib until use. */
	174	BFD_MACH_O_LC_ENCRYPTION_INFO = 0x21, /* Encrypted segment info. */
edbdea0e TG	175	BFD_MACH_O_LC_DYLD_INFO = 0x22, /* Compressed dyld information. */
	176	BFD_MACH_O_LC_LOAD_UPWARD_DYLIB = 0x23, /* Load upward dylib. */
	177	BFD_MACH_O_LC_VERSION_MIN_MACOSX = 0x24, /* Minimal MacOSX version. */
	178	BFD_MACH_O_LC_VERSION_MIN_IPHONEOS = 0x25, /* Minimal IOS version. */
	179	BFD_MACH_O_LC_FUNCTION_STARTS = 0x26, /* Compressed table of func start. */
91cb7781 TG	180	BFD_MACH_O_LC_DYLD_ENVIRONMENT = 0x27, /* Env variable string for dyld. */
	181	BFD_MACH_O_LC_MAIN = 0x28, /* Entry point. */
	182	BFD_MACH_O_LC_DATA_IN_CODE = 0x29, /* Table of non-instructions. */
	183	BFD_MACH_O_LC_SOURCE_VERSION = 0x2a, /* Source version. */
c25b1ab6 TG	184	BFD_MACH_O_LC_DYLIB_CODE_SIGN_DRS = 0x2b, /* DRs from dylibs. */
	185	BFD_MACH_O_LC_ENCRYPTION_INFO_64 = 0x2c, /* Encrypted 64 bit seg info. */
	186	BFD_MACH_O_LC_LINKER_OPTIONS = 0x2d, /* Linker options. */
	187	BFD_MACH_O_LC_LINKER_OPTIMIZATION_HINT = 0x2e, /* Optimization hints. */
	188	BFD_MACH_O_LC_VERSION_MIN_WATCHOS = 0x30 /* Minimal WatchOS version. */
74f26653 TG	189	}
74f26653 TG	190	bfd_mach_o_load_command_type;
46d1c23b TG	191	\f
46d1c23b TG	192	/* Section constants. */
74f26653 TG	193	/* Constants for the type of a section. */
	194
	195	typedef enum bfd_mach_o_section_type
	196	{
	197	/* Regular section. */
	198	BFD_MACH_O_S_REGULAR = 0x0,
	199
	200	/* Zero fill on demand section. */
	201	BFD_MACH_O_S_ZEROFILL = 0x1,
	202
	203	/* Section with only literal C strings. */
	204	BFD_MACH_O_S_CSTRING_LITERALS = 0x2,
	205
	206	/* Section with only 4 byte literals. */
	207	BFD_MACH_O_S_4BYTE_LITERALS = 0x3,
	208
	209	/* Section with only 8 byte literals. */
	210	BFD_MACH_O_S_8BYTE_LITERALS = 0x4,
	211
	212	/* Section with only pointers to literals. */
	213	BFD_MACH_O_S_LITERAL_POINTERS = 0x5,
	214
	215	/* For the two types of symbol pointers sections and the symbol stubs
	216	section they have indirect symbol table entries. For each of the
	217	entries in the section the indirect symbol table entries, in
	218	corresponding order in the indirect symbol table, start at the index
	219	stored in the reserved1 field of the section structure. Since the
	220	indirect symbol table entries correspond to the entries in the
	221	section the number of indirect symbol table entries is inferred from
	222	the size of the section divided by the size of the entries in the
	223	section. For symbol pointers sections the size of the entries in
	224	the section is 4 bytes and for symbol stubs sections the byte size
	225	of the stubs is stored in the reserved2 field of the section
	226	structure. */
	227
	228	/* Section with only non-lazy symbol pointers. */
	229	BFD_MACH_O_S_NON_LAZY_SYMBOL_POINTERS = 0x6,
	230
	231	/* Section with only lazy symbol pointers. */
	232	BFD_MACH_O_S_LAZY_SYMBOL_POINTERS = 0x7,
	233
	234	/* Section with only symbol stubs, byte size of stub in the reserved2
	235	field. */
	236	BFD_MACH_O_S_SYMBOL_STUBS = 0x8,
	237
	238	/* Section with only function pointers for initialization. */
	239	BFD_MACH_O_S_MOD_INIT_FUNC_POINTERS = 0x9,
	240
	241	/* Section with only function pointers for termination. */
	242	BFD_MACH_O_S_MOD_FINI_FUNC_POINTERS = 0xa,
	243
	244	/* Section contains symbols that are coalesced by the linkers. */
	245	BFD_MACH_O_S_COALESCED = 0xb,
	246
	247	/* Zero fill on demand section (possibly larger than 4 GB). */
	248	BFD_MACH_O_S_GB_ZEROFILL = 0xc,
	249
	250	/* Section with only pairs of function pointers for interposing. */
	251	BFD_MACH_O_S_INTERPOSING = 0xd,
	252
	253	/* Section with only 16 byte literals. */
	254	BFD_MACH_O_S_16BYTE_LITERALS = 0xe,
	255
	256	/* Section contains DTrace Object Format. */
257	BFD_MACH_O_S_DTRACE_DOF = 0xf,
258
259	/* Section with only lazy symbol pointers to lazy loaded dylibs. */
260	BFD_MACH_O_S_LAZY_DYLIB_SYMBOL_POINTERS = 0x10
261	}
262	bfd_mach_o_section_type;
263
264	/* The flags field of a section structure is separated into two parts a section
265	type and section attributes. The section types are mutually exclusive (it
266	can only have one type) but the section attributes are not (it may have more
267	than one attribute). */
268
269	#define BFD_MACH_O_SECTION_TYPE_MASK 0x000000ff
270
271	/* Constants for the section attributes part of the flags field of a section
272	structure. */
273	#define BFD_MACH_O_SECTION_ATTRIBUTES_MASK 0xffffff00
274	/* System setable attributes. */
275	#define BFD_MACH_O_SECTION_ATTRIBUTES_SYS 0x00ffff00
91cb7781	276	/* User attributes. */
74f26653 TG	277	#define BFD_MACH_O_SECTION_ATTRIBUTES_USR 0xff000000
	278
	279	typedef enum bfd_mach_o_section_attribute
	280	{
a4551119 TG	281	/* Section has no specified attibutes. */
	282	BFD_MACH_O_S_ATTR_NONE = 0,
	283
74f26653 TG	284	/* Section has local relocation entries. */
	285	BFD_MACH_O_S_ATTR_LOC_RELOC = 0x00000100,
	286
91cb7781	287	/* Section has external relocation entries. */
74f26653 TG	288	BFD_MACH_O_S_ATTR_EXT_RELOC = 0x00000200,
	289
	290	/* Section contains some machine instructions. */
	291	BFD_MACH_O_S_ATTR_SOME_INSTRUCTIONS = 0x00000400,
	292
	293	/* A debug section. */
	294	BFD_MACH_O_S_ATTR_DEBUG = 0x02000000,
	295
	296	/* Used with i386 stubs. */
	297	BFD_MACH_O_S_SELF_MODIFYING_CODE = 0x04000000,
91cb7781	298
74f26653 TG	299	/* Blocks are live if they reference live blocks. */
	300	BFD_MACH_O_S_ATTR_LIVE_SUPPORT = 0x08000000,
	301
	302	/* No dead stripping. */
	303	BFD_MACH_O_S_ATTR_NO_DEAD_STRIP = 0x10000000,
	304
	305	/* Section symbols can be stripped in files with MH_DYLDLINK flag. */
	306	BFD_MACH_O_S_ATTR_STRIP_STATIC_SYMS = 0x20000000,
	307
	308	/* Section contains coalesced symbols that are not to be in the TOC of an
	309	archive. */
	310	BFD_MACH_O_S_ATTR_NO_TOC = 0x40000000,
	311
	312	/* Section contains only true machine instructions. */
	313	BFD_MACH_O_S_ATTR_PURE_INSTRUCTIONS = 0x80000000
	314	}
	315	bfd_mach_o_section_attribute;
46d1c23b TG	316	\f
	317	/* Symbol constants. */
	318
	319	/* Symbol n_type values. */
	320	#define BFD_MACH_O_N_STAB 0xe0 /* If any of these bits set, a symbolic debugging entry. */
	321	#define BFD_MACH_O_N_PEXT 0x10 /* Private external symbol bit. */
	322	#define BFD_MACH_O_N_TYPE 0x0e /* Mask for the type bits. */
	323	#define BFD_MACH_O_N_EXT 0x01 /* External symbol bit, set for external symbols. */
	324	#define BFD_MACH_O_N_UNDF 0x00 /* Undefined, n_sect == NO_SECT. */
	325	#define BFD_MACH_O_N_ABS 0x02 /* Absolute, n_sect == NO_SECT. */
	326	#define BFD_MACH_O_N_INDR 0x0a /* Indirect. */
	327	#define BFD_MACH_O_N_PBUD 0x0c /* Prebound undefined (defined in a dylib). */
	328	#define BFD_MACH_O_N_SECT 0x0e /* Defined in section number n_sect. */
	329
	330	#define BFD_MACH_O_NO_SECT 0 /* Symbol not in any section of the image. */
	331
	332	/* Symbol n_desc reference flags. */
91cb7781	333	#define BFD_MACH_O_REFERENCE_MASK 0x07
46d1c23b TG	334	#define BFD_MACH_O_REFERENCE_FLAG_UNDEFINED_NON_LAZY 0x00
	335	#define BFD_MACH_O_REFERENCE_FLAG_UNDEFINED_LAZY 0x01
	336	#define BFD_MACH_O_REFERENCE_FLAG_DEFINED 0x02
	337	#define BFD_MACH_O_REFERENCE_FLAG_PRIVATE_DEFINED 0x03
	338	#define BFD_MACH_O_REFERENCE_FLAG_PRIVATE_UNDEFINED_NON_LAZY 0x04
	339	#define BFD_MACH_O_REFERENCE_FLAG_PRIVATE_UNDEFINED_LAZY 0x05
	340
	341	#define BFD_MACH_O_REFERENCED_DYNAMICALLY 0x10
	342	#define BFD_MACH_O_N_DESC_DISCARDED 0x20
	343	#define BFD_MACH_O_N_NO_DEAD_STRIP 0x20
	344	#define BFD_MACH_O_N_WEAK_REF 0x40
	345	#define BFD_MACH_O_N_WEAK_DEF 0x80
91cb7781 TG	346	#define BFD_MACH_O_N_REF_TO_WEAK 0x80
	347
	348	#define BFD_MACH_O_N_ARM_THUMB_DEF 0x08
	349	#define BFD_MACH_O_N_SYMBOL_RESOLVER 0x100
50d10658 IS	350
	351	#define BFD_MACH_O_INDIRECT_SYM_LOCAL 0x80000000
	352	#define BFD_MACH_O_INDIRECT_SYM_ABS 0x40000000
46d1c23b	353	\f
e89d3dee TG	354	/* Constants for dyld info rebase. */
	355	#define BFD_MACH_O_REBASE_OPCODE_MASK 0xf0
	356	#define BFD_MACH_O_REBASE_IMMEDIATE_MASK 0x0f
	357
	358	/* The rebase opcodes. */
	359	#define BFD_MACH_O_REBASE_OPCODE_DONE 0x00
	360	#define BFD_MACH_O_REBASE_OPCODE_SET_TYPE_IMM 0x10
	361	#define BFD_MACH_O_REBASE_OPCODE_SET_SEGMENT_AND_OFFSET_ULEB 0x20
	362	#define BFD_MACH_O_REBASE_OPCODE_ADD_ADDR_ULEB 0x30
	363	#define BFD_MACH_O_REBASE_OPCODE_ADD_ADDR_IMM_SCALED 0x40
	364	#define BFD_MACH_O_REBASE_OPCODE_DO_REBASE_IMM_TIMES 0x50
	365	#define BFD_MACH_O_REBASE_OPCODE_DO_REBASE_ULEB_TIMES 0x60
	366	#define BFD_MACH_O_REBASE_OPCODE_DO_REBASE_ADD_ADDR_ULEB 0x70
	367	#define BFD_MACH_O_REBASE_OPCODE_DO_REBASE_ULEB_TIMES_SKIPPING_ULEB 0x80
	368
	369	/* The rebase type. */
	370	#define BFD_MACH_O_REBASE_TYPE_POINTER 1
	371	#define BFD_MACH_O_REBASE_TYPE_TEXT_ABSOLUTE32 2
	372	#define BFD_MACH_O_REBASE_TYPE_TEXT_PCREL32 3
	373
	374	/* Constants for dyld info bind. */
	375	#define BFD_MACH_O_BIND_OPCODE_MASK 0xf0
	376	#define BFD_MACH_O_BIND_IMMEDIATE_MASK 0x0f
	377
	378	/* The bind opcodes. */
	379	#define BFD_MACH_O_BIND_OPCODE_DONE 0x00
	380	#define BFD_MACH_O_BIND_OPCODE_SET_DYLIB_ORDINAL_IMM 0x10
	381	#define BFD_MACH_O_BIND_OPCODE_SET_DYLIB_ORDINAL_ULEB 0x20
	382	#define BFD_MACH_O_BIND_OPCODE_SET_DYLIB_SPECIAL_IMM 0x30
	383	#define BFD_MACH_O_BIND_OPCODE_SET_SYMBOL_TRAILING_FLAGS_IMM 0x40
	384	#define BFD_MACH_O_BIND_OPCODE_SET_TYPE_IMM 0x50
	385	#define BFD_MACH_O_BIND_OPCODE_SET_ADDEND_SLEB 0x60
	386	#define BFD_MACH_O_BIND_OPCODE_SET_SEGMENT_AND_OFFSET_ULEB 0x70
	387	#define BFD_MACH_O_BIND_OPCODE_ADD_ADDR_ULEB 0x80
	388	#define BFD_MACH_O_BIND_OPCODE_DO_BIND 0x90
	389	#define BFD_MACH_O_BIND_OPCODE_DO_BIND_ADD_ADDR_ULEB 0xa0
	390	#define BFD_MACH_O_BIND_OPCODE_DO_BIND_ADD_ADDR_IMM_SCALED 0xb0
	391	#define BFD_MACH_O_BIND_OPCODE_DO_BIND_ULEB_TIMES_SKIPPING_ULEB 0xc0
	392
	393	/* The bind types. */
	394	#define BFD_MACH_O_BIND_TYPE_POINTER 1
	395	#define BFD_MACH_O_BIND_TYPE_TEXT_ABSOLUTE32 2
	396	#define BFD_MACH_O_BIND_TYPE_TEXT_PCREL32 3
	397
	398	/* The special dylib. */
	399	#define BFD_MACH_O_BIND_SPECIAL_DYLIB_SELF 0
	400	#define BFD_MACH_O_BIND_SPECIAL_DYLIB_MAIN_EXECUTABLE -1
	401	#define BFD_MACH_O_BIND_SPECIAL_DYLIB_FLAT_LOOKUP -2
	402
	403	/* Constants for dyld info export. */
	404	#define BFD_MACH_O_EXPORT_SYMBOL_FLAGS_KIND_MASK 0x03
	405	#define BFD_MACH_O_EXPORT_SYMBOL_FLAGS_KIND_REGULAR 0x00
	406	#define BFD_MACH_O_EXPORT_SYMBOL_FLAGS_KIND_THREAD_LOCAL 0x01
	407	#define BFD_MACH_O_EXPORT_SYMBOL_FLAGS_WEAK_DEFINITION 0x04
	408	#define BFD_MACH_O_EXPORT_SYMBOL_FLAGS_REEXPORT 0x08
	409	#define BFD_MACH_O_EXPORT_SYMBOL_FLAGS_STUB_AND_RESOLVER 0x10
	410
91cb7781 TG	411	/* Constants for DATA_IN_CODE entries. */
	412	typedef enum bfd_mach_o_data_in_code_entry_kind
	413	{
	414	BFD_MACH_O_DICE_KIND_DATA = 0x0001, /* Data */
	415	BFD_MACH_O_DICE_JUMP_TABLES8 = 0x0002, /* 1 byte jump tables. */
	416	BFD_MACH_O_DICE_JUMP_TABLES16 = 0x0003, /* 2 bytes. */
	417	BFD_MACH_O_DICE_JUMP_TABLES32 = 0x0004, /* 4 bytes. */
	418	BFD_MACH_O_DICE_ABS_JUMP_TABLES32 = 0x0005 /* Absolute jump table. */
	419	} bfd_mach_o_data_in_code_entry_kind;
	420
46d1c23b TG	421	/* Thread constants. */
	422
	423	typedef enum bfd_mach_o_ppc_thread_flavour
	424	{
	425	BFD_MACH_O_PPC_THREAD_STATE = 1,
	426	BFD_MACH_O_PPC_FLOAT_STATE = 2,
	427	BFD_MACH_O_PPC_EXCEPTION_STATE = 3,
	428	BFD_MACH_O_PPC_VECTOR_STATE = 4,
	429	BFD_MACH_O_PPC_THREAD_STATE64 = 5,
	430	BFD_MACH_O_PPC_EXCEPTION_STATE64 = 6,
	431	BFD_MACH_O_PPC_THREAD_STATE_NONE = 7
	432	}
	433	bfd_mach_o_ppc_thread_flavour;
	434
	435	/* Defined in <mach/i386/thread_status.h> */
	436	typedef enum bfd_mach_o_i386_thread_flavour
	437	{
	438	BFD_MACH_O_x86_THREAD_STATE32 = 1,
	439	BFD_MACH_O_x86_FLOAT_STATE32 = 2,
	440	BFD_MACH_O_x86_EXCEPTION_STATE32 = 3,
	441	BFD_MACH_O_x86_THREAD_STATE64 = 4,
	442	BFD_MACH_O_x86_FLOAT_STATE64 = 5,
	443	BFD_MACH_O_x86_EXCEPTION_STATE64 = 6,
	444	BFD_MACH_O_x86_THREAD_STATE = 7,
	445	BFD_MACH_O_x86_FLOAT_STATE = 8,
	446	BFD_MACH_O_x86_EXCEPTION_STATE = 9,
	447	BFD_MACH_O_x86_DEBUG_STATE32 = 10,
	448	BFD_MACH_O_x86_DEBUG_STATE64 = 11,
	449	BFD_MACH_O_x86_DEBUG_STATE = 12,
	450	BFD_MACH_O_x86_THREAD_STATE_NONE = 13
	451	}
	452	bfd_mach_o_i386_thread_flavour;
74f26653 TG	453
74f26653 TG	454	#endif /* _MACH_O_LOADER_H */