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

/* Mach-O support for BFD.
   Copyright (C) 2011-2021 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 macOS 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_TVOS = 0x2f,	/* Minimal tvOS version.  */
  BFD_MACH_O_LC_VERSION_MIN_WATCHOS = 0x30,	/* Minimal watchOS version.  */
  BFD_MACH_O_LC_NOTE = 0x31,			/* Region of arbitrary data.  */
  BFD_MACH_O_LC_BUILD_VERSION = 0x32,		/* Generic build version.  */
  BFD_MACH_O_LC_DYLD_EXPORTS_TRIE = 0x33,	/* Exports trie. */
  BFD_MACH_O_LC_DYLD_CHAINED_FIXUPS = 0x34,	/* Chained fixups. */
}
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.
250d07de	2	Copyright (C) 2011-2021 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,
fc7b364a RB	164	BFD_MACH_O_LC_SEGMENT_64 = 0x19, /* 64-bit segment of this file to be
	165	mapped. */
	166	BFD_MACH_O_LC_ROUTINES_64 = 0x1a, /* Address of the dyld init routine
	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. */
	175	BFD_MACH_O_LC_DYLD_INFO = 0x22, /* Compressed dyld information. */
	176	BFD_MACH_O_LC_LOAD_UPWARD_DYLIB = 0x23, /* Load upward dylib. */
91d78b81 SJ	177	BFD_MACH_O_LC_VERSION_MIN_MACOSX = 0x24, /* Minimal macOS version. */
91d78b81 SJ	178	BFD_MACH_O_LC_VERSION_MIN_IPHONEOS = 0x25, /* Minimal iOS version. */
fc7b364a RB	179	BFD_MACH_O_LC_FUNCTION_STARTS = 0x26, /* Compressed table of func start. */
	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. */
	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_TVOS = 0x2f, /* Minimal tvOS version. */
91d78b81	189	BFD_MACH_O_LC_VERSION_MIN_WATCHOS = 0x30, /* Minimal watchOS version. */
fc7b364a RB	190	BFD_MACH_O_LC_NOTE = 0x31, /* Region of arbitrary data. */
fc7b364a RB	191	BFD_MACH_O_LC_BUILD_VERSION = 0x32, /* Generic build version. */
d768f160 SJ	192	BFD_MACH_O_LC_DYLD_EXPORTS_TRIE = 0x33, /* Exports trie. */
d768f160 SJ	193	BFD_MACH_O_LC_DYLD_CHAINED_FIXUPS = 0x34, /* Chained fixups. */
74f26653 TG	194	}
74f26653 TG	195	bfd_mach_o_load_command_type;
46d1c23b TG	196	\f
46d1c23b TG	197	/* Section constants. */
74f26653 TG	198	/* Constants for the type of a section. */
	199
	200	typedef enum bfd_mach_o_section_type
	201	{
	202	/* Regular section. */
	203	BFD_MACH_O_S_REGULAR = 0x0,
	204
	205	/* Zero fill on demand section. */
	206	BFD_MACH_O_S_ZEROFILL = 0x1,
	207
	208	/* Section with only literal C strings. */
	209	BFD_MACH_O_S_CSTRING_LITERALS = 0x2,
	210
	211	/* Section with only 4 byte literals. */
	212	BFD_MACH_O_S_4BYTE_LITERALS = 0x3,
	213
	214	/* Section with only 8 byte literals. */
	215	BFD_MACH_O_S_8BYTE_LITERALS = 0x4,
	216
	217	/* Section with only pointers to literals. */
	218	BFD_MACH_O_S_LITERAL_POINTERS = 0x5,
	219
	220	/* For the two types of symbol pointers sections and the symbol stubs
	221	section they have indirect symbol table entries. For each of the
	222	entries in the section the indirect symbol table entries, in
	223	corresponding order in the indirect symbol table, start at the index
	224	stored in the reserved1 field of the section structure. Since the
	225	indirect symbol table entries correspond to the entries in the
	226	section the number of indirect symbol table entries is inferred from
	227	the size of the section divided by the size of the entries in the
	228	section. For symbol pointers sections the size of the entries in
	229	the section is 4 bytes and for symbol stubs sections the byte size
	230	of the stubs is stored in the reserved2 field of the section
	231	structure. */
	232
	233	/* Section with only non-lazy symbol pointers. */
	234	BFD_MACH_O_S_NON_LAZY_SYMBOL_POINTERS = 0x6,
	235
	236	/* Section with only lazy symbol pointers. */
	237	BFD_MACH_O_S_LAZY_SYMBOL_POINTERS = 0x7,
	238
	239	/* Section with only symbol stubs, byte size of stub in the reserved2
	240	field. */
	241	BFD_MACH_O_S_SYMBOL_STUBS = 0x8,
	242
	243	/* Section with only function pointers for initialization. */
	244	BFD_MACH_O_S_MOD_INIT_FUNC_POINTERS = 0x9,
	245
	246	/* Section with only function pointers for termination. */
	247	BFD_MACH_O_S_MOD_FINI_FUNC_POINTERS = 0xa,
	248
	249	/* Section contains symbols that are coalesced by the linkers. */
	250	BFD_MACH_O_S_COALESCED = 0xb,
	251
	252	/* Zero fill on demand section (possibly larger than 4 GB). */
	253	BFD_MACH_O_S_GB_ZEROFILL = 0xc,
	254
	255	/* Section with only pairs of function pointers for interposing. */
	256	BFD_MACH_O_S_INTERPOSING = 0xd,
	257
	258	/* Section with only 16 byte literals. */
	259	BFD_MACH_O_S_16BYTE_LITERALS = 0xe,
	260
	261	/* Section contains DTrace Object Format. */
262	BFD_MACH_O_S_DTRACE_DOF = 0xf,
263
264	/* Section with only lazy symbol pointers to lazy loaded dylibs. */
265	BFD_MACH_O_S_LAZY_DYLIB_SYMBOL_POINTERS = 0x10
266	}
267	bfd_mach_o_section_type;
268
269	/* The flags field of a section structure is separated into two parts a section
270	type and section attributes. The section types are mutually exclusive (it
271	can only have one type) but the section attributes are not (it may have more
272	than one attribute). */
273
274	#define BFD_MACH_O_SECTION_TYPE_MASK 0x000000ff
275
276	/* Constants for the section attributes part of the flags field of a section
277	structure. */
278	#define BFD_MACH_O_SECTION_ATTRIBUTES_MASK 0xffffff00
279	/* System setable attributes. */
280	#define BFD_MACH_O_SECTION_ATTRIBUTES_SYS 0x00ffff00
91cb7781	281	/* User attributes. */
74f26653 TG	282	#define BFD_MACH_O_SECTION_ATTRIBUTES_USR 0xff000000
	283
	284	typedef enum bfd_mach_o_section_attribute
	285	{
a4551119 TG	286	/* Section has no specified attibutes. */
	287	BFD_MACH_O_S_ATTR_NONE = 0,
	288
74f26653 TG	289	/* Section has local relocation entries. */
	290	BFD_MACH_O_S_ATTR_LOC_RELOC = 0x00000100,
	291
91cb7781	292	/* Section has external relocation entries. */
74f26653 TG	293	BFD_MACH_O_S_ATTR_EXT_RELOC = 0x00000200,
	294
	295	/* Section contains some machine instructions. */
	296	BFD_MACH_O_S_ATTR_SOME_INSTRUCTIONS = 0x00000400,
	297
	298	/* A debug section. */
	299	BFD_MACH_O_S_ATTR_DEBUG = 0x02000000,
	300
	301	/* Used with i386 stubs. */
	302	BFD_MACH_O_S_SELF_MODIFYING_CODE = 0x04000000,
91cb7781	303
74f26653 TG	304	/* Blocks are live if they reference live blocks. */
	305	BFD_MACH_O_S_ATTR_LIVE_SUPPORT = 0x08000000,
	306
	307	/* No dead stripping. */
	308	BFD_MACH_O_S_ATTR_NO_DEAD_STRIP = 0x10000000,
	309
	310	/* Section symbols can be stripped in files with MH_DYLDLINK flag. */
	311	BFD_MACH_O_S_ATTR_STRIP_STATIC_SYMS = 0x20000000,
	312
	313	/* Section contains coalesced symbols that are not to be in the TOC of an
	314	archive. */
	315	BFD_MACH_O_S_ATTR_NO_TOC = 0x40000000,
	316
	317	/* Section contains only true machine instructions. */
	318	BFD_MACH_O_S_ATTR_PURE_INSTRUCTIONS = 0x80000000
	319	}
	320	bfd_mach_o_section_attribute;
46d1c23b TG	321	\f
	322	/* Symbol constants. */
	323
	324	/* Symbol n_type values. */
	325	#define BFD_MACH_O_N_STAB 0xe0 /* If any of these bits set, a symbolic debugging entry. */
	326	#define BFD_MACH_O_N_PEXT 0x10 /* Private external symbol bit. */
	327	#define BFD_MACH_O_N_TYPE 0x0e /* Mask for the type bits. */
	328	#define BFD_MACH_O_N_EXT 0x01 /* External symbol bit, set for external symbols. */
	329	#define BFD_MACH_O_N_UNDF 0x00 /* Undefined, n_sect == NO_SECT. */
	330	#define BFD_MACH_O_N_ABS 0x02 /* Absolute, n_sect == NO_SECT. */
	331	#define BFD_MACH_O_N_INDR 0x0a /* Indirect. */
	332	#define BFD_MACH_O_N_PBUD 0x0c /* Prebound undefined (defined in a dylib). */
	333	#define BFD_MACH_O_N_SECT 0x0e /* Defined in section number n_sect. */
	334
	335	#define BFD_MACH_O_NO_SECT 0 /* Symbol not in any section of the image. */
	336
	337	/* Symbol n_desc reference flags. */
91cb7781	338	#define BFD_MACH_O_REFERENCE_MASK 0x07
46d1c23b TG	339	#define BFD_MACH_O_REFERENCE_FLAG_UNDEFINED_NON_LAZY 0x00
	340	#define BFD_MACH_O_REFERENCE_FLAG_UNDEFINED_LAZY 0x01
	341	#define BFD_MACH_O_REFERENCE_FLAG_DEFINED 0x02
	342	#define BFD_MACH_O_REFERENCE_FLAG_PRIVATE_DEFINED 0x03
	343	#define BFD_MACH_O_REFERENCE_FLAG_PRIVATE_UNDEFINED_NON_LAZY 0x04
	344	#define BFD_MACH_O_REFERENCE_FLAG_PRIVATE_UNDEFINED_LAZY 0x05
	345
	346	#define BFD_MACH_O_REFERENCED_DYNAMICALLY 0x10
	347	#define BFD_MACH_O_N_DESC_DISCARDED 0x20
	348	#define BFD_MACH_O_N_NO_DEAD_STRIP 0x20
	349	#define BFD_MACH_O_N_WEAK_REF 0x40
	350	#define BFD_MACH_O_N_WEAK_DEF 0x80
91cb7781 TG	351	#define BFD_MACH_O_N_REF_TO_WEAK 0x80
	352
	353	#define BFD_MACH_O_N_ARM_THUMB_DEF 0x08
	354	#define BFD_MACH_O_N_SYMBOL_RESOLVER 0x100
50d10658 IS	355
	356	#define BFD_MACH_O_INDIRECT_SYM_LOCAL 0x80000000
	357	#define BFD_MACH_O_INDIRECT_SYM_ABS 0x40000000
46d1c23b	358	\f
e89d3dee TG	359	/* Constants for dyld info rebase. */
	360	#define BFD_MACH_O_REBASE_OPCODE_MASK 0xf0
	361	#define BFD_MACH_O_REBASE_IMMEDIATE_MASK 0x0f
	362
	363	/* The rebase opcodes. */
	364	#define BFD_MACH_O_REBASE_OPCODE_DONE 0x00
	365	#define BFD_MACH_O_REBASE_OPCODE_SET_TYPE_IMM 0x10
	366	#define BFD_MACH_O_REBASE_OPCODE_SET_SEGMENT_AND_OFFSET_ULEB 0x20
	367	#define BFD_MACH_O_REBASE_OPCODE_ADD_ADDR_ULEB 0x30
	368	#define BFD_MACH_O_REBASE_OPCODE_ADD_ADDR_IMM_SCALED 0x40
	369	#define BFD_MACH_O_REBASE_OPCODE_DO_REBASE_IMM_TIMES 0x50
	370	#define BFD_MACH_O_REBASE_OPCODE_DO_REBASE_ULEB_TIMES 0x60
	371	#define BFD_MACH_O_REBASE_OPCODE_DO_REBASE_ADD_ADDR_ULEB 0x70
	372	#define BFD_MACH_O_REBASE_OPCODE_DO_REBASE_ULEB_TIMES_SKIPPING_ULEB 0x80
	373
	374	/* The rebase type. */
	375	#define BFD_MACH_O_REBASE_TYPE_POINTER 1
	376	#define BFD_MACH_O_REBASE_TYPE_TEXT_ABSOLUTE32 2
	377	#define BFD_MACH_O_REBASE_TYPE_TEXT_PCREL32 3
	378
	379	/* Constants for dyld info bind. */
	380	#define BFD_MACH_O_BIND_OPCODE_MASK 0xf0
	381	#define BFD_MACH_O_BIND_IMMEDIATE_MASK 0x0f
	382
	383	/* The bind opcodes. */
	384	#define BFD_MACH_O_BIND_OPCODE_DONE 0x00
	385	#define BFD_MACH_O_BIND_OPCODE_SET_DYLIB_ORDINAL_IMM 0x10
	386	#define BFD_MACH_O_BIND_OPCODE_SET_DYLIB_ORDINAL_ULEB 0x20
	387	#define BFD_MACH_O_BIND_OPCODE_SET_DYLIB_SPECIAL_IMM 0x30
	388	#define BFD_MACH_O_BIND_OPCODE_SET_SYMBOL_TRAILING_FLAGS_IMM 0x40
	389	#define BFD_MACH_O_BIND_OPCODE_SET_TYPE_IMM 0x50
	390	#define BFD_MACH_O_BIND_OPCODE_SET_ADDEND_SLEB 0x60
	391	#define BFD_MACH_O_BIND_OPCODE_SET_SEGMENT_AND_OFFSET_ULEB 0x70
	392	#define BFD_MACH_O_BIND_OPCODE_ADD_ADDR_ULEB 0x80
	393	#define BFD_MACH_O_BIND_OPCODE_DO_BIND 0x90
	394	#define BFD_MACH_O_BIND_OPCODE_DO_BIND_ADD_ADDR_ULEB 0xa0
	395	#define BFD_MACH_O_BIND_OPCODE_DO_BIND_ADD_ADDR_IMM_SCALED 0xb0
	396	#define BFD_MACH_O_BIND_OPCODE_DO_BIND_ULEB_TIMES_SKIPPING_ULEB 0xc0
	397
	398	/* The bind types. */
	399	#define BFD_MACH_O_BIND_TYPE_POINTER 1
	400	#define BFD_MACH_O_BIND_TYPE_TEXT_ABSOLUTE32 2
	401	#define BFD_MACH_O_BIND_TYPE_TEXT_PCREL32 3
	402
	403	/* The special dylib. */
	404	#define BFD_MACH_O_BIND_SPECIAL_DYLIB_SELF 0
	405	#define BFD_MACH_O_BIND_SPECIAL_DYLIB_MAIN_EXECUTABLE -1
	406	#define BFD_MACH_O_BIND_SPECIAL_DYLIB_FLAT_LOOKUP -2
	407
	408	/* Constants for dyld info export. */
	409	#define BFD_MACH_O_EXPORT_SYMBOL_FLAGS_KIND_MASK 0x03
	410	#define BFD_MACH_O_EXPORT_SYMBOL_FLAGS_KIND_REGULAR 0x00
	411	#define BFD_MACH_O_EXPORT_SYMBOL_FLAGS_KIND_THREAD_LOCAL 0x01
	412	#define BFD_MACH_O_EXPORT_SYMBOL_FLAGS_WEAK_DEFINITION 0x04
	413	#define BFD_MACH_O_EXPORT_SYMBOL_FLAGS_REEXPORT 0x08
	414	#define BFD_MACH_O_EXPORT_SYMBOL_FLAGS_STUB_AND_RESOLVER 0x10
	415
91cb7781 TG	416	/* Constants for DATA_IN_CODE entries. */
	417	typedef enum bfd_mach_o_data_in_code_entry_kind
	418	{
	419	BFD_MACH_O_DICE_KIND_DATA = 0x0001, /* Data */
	420	BFD_MACH_O_DICE_JUMP_TABLES8 = 0x0002, /* 1 byte jump tables. */
	421	BFD_MACH_O_DICE_JUMP_TABLES16 = 0x0003, /* 2 bytes. */
	422	BFD_MACH_O_DICE_JUMP_TABLES32 = 0x0004, /* 4 bytes. */
	423	BFD_MACH_O_DICE_ABS_JUMP_TABLES32 = 0x0005 /* Absolute jump table. */
	424	} bfd_mach_o_data_in_code_entry_kind;
	425
46d1c23b TG	426	/* Thread constants. */
	427
	428	typedef enum bfd_mach_o_ppc_thread_flavour
	429	{
	430	BFD_MACH_O_PPC_THREAD_STATE = 1,
	431	BFD_MACH_O_PPC_FLOAT_STATE = 2,
	432	BFD_MACH_O_PPC_EXCEPTION_STATE = 3,
	433	BFD_MACH_O_PPC_VECTOR_STATE = 4,
	434	BFD_MACH_O_PPC_THREAD_STATE64 = 5,
	435	BFD_MACH_O_PPC_EXCEPTION_STATE64 = 6,
	436	BFD_MACH_O_PPC_THREAD_STATE_NONE = 7
	437	}
	438	bfd_mach_o_ppc_thread_flavour;
	439
	440	/* Defined in <mach/i386/thread_status.h> */
	441	typedef enum bfd_mach_o_i386_thread_flavour
	442	{
	443	BFD_MACH_O_x86_THREAD_STATE32 = 1,
	444	BFD_MACH_O_x86_FLOAT_STATE32 = 2,
	445	BFD_MACH_O_x86_EXCEPTION_STATE32 = 3,
	446	BFD_MACH_O_x86_THREAD_STATE64 = 4,
	447	BFD_MACH_O_x86_FLOAT_STATE64 = 5,
	448	BFD_MACH_O_x86_EXCEPTION_STATE64 = 6,
	449	BFD_MACH_O_x86_THREAD_STATE = 7,
	450	BFD_MACH_O_x86_FLOAT_STATE = 8,
	451	BFD_MACH_O_x86_EXCEPTION_STATE = 9,
	452	BFD_MACH_O_x86_DEBUG_STATE32 = 10,
	453	BFD_MACH_O_x86_DEBUG_STATE64 = 11,
	454	BFD_MACH_O_x86_DEBUG_STATE = 12,
	455	BFD_MACH_O_x86_THREAD_STATE_NONE = 13
	456	}
	457	bfd_mach_o_i386_thread_flavour;
74f26653 TG	458
74f26653 TG	459	#endif /* _MACH_O_LOADER_H */