forked from KolibriOS/kolibrios
379 lines
14 KiB
C
379 lines
14 KiB
C
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/* Mach-O support for BFD.
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Copyright 2011, 2012
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Free Software Foundation, Inc.
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This file is part of BFD, the Binary File Descriptor library.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
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MA 02110-1301, USA. */
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#ifndef _MACH_O_LOADER_H
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#define _MACH_O_LOADER_H
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/* Constants for header. */
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typedef enum bfd_mach_o_mach_header_magic
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{
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BFD_MACH_O_MH_MAGIC = 0xfeedface,
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BFD_MACH_O_MH_CIGAM = 0xcefaedfe,
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BFD_MACH_O_MH_MAGIC_64 = 0xfeedfacf,
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BFD_MACH_O_MH_CIGAM_64 = 0xcffaedfe
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}
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bfd_mach_o_mach_header_magic;
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#define BFD_MACH_O_CPU_IS64BIT 0x1000000
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typedef enum bfd_mach_o_cpu_type
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{
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BFD_MACH_O_CPU_TYPE_VAX = 1,
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BFD_MACH_O_CPU_TYPE_MC680x0 = 6,
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BFD_MACH_O_CPU_TYPE_I386 = 7,
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BFD_MACH_O_CPU_TYPE_MIPS = 8,
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BFD_MACH_O_CPU_TYPE_MC98000 = 10,
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BFD_MACH_O_CPU_TYPE_HPPA = 11,
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BFD_MACH_O_CPU_TYPE_ARM = 12,
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BFD_MACH_O_CPU_TYPE_MC88000 = 13,
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BFD_MACH_O_CPU_TYPE_SPARC = 14,
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BFD_MACH_O_CPU_TYPE_I860 = 15,
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BFD_MACH_O_CPU_TYPE_ALPHA = 16,
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BFD_MACH_O_CPU_TYPE_POWERPC = 18,
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BFD_MACH_O_CPU_TYPE_POWERPC_64 = (BFD_MACH_O_CPU_TYPE_POWERPC | BFD_MACH_O_CPU_IS64BIT),
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BFD_MACH_O_CPU_TYPE_X86_64 = (BFD_MACH_O_CPU_TYPE_I386 | BFD_MACH_O_CPU_IS64BIT)
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}
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bfd_mach_o_cpu_type;
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typedef enum bfd_mach_o_cpu_subtype
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{
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/* i386. */
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BFD_MACH_O_CPU_SUBTYPE_X86_ALL = 3,
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/* arm. */
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BFD_MACH_O_CPU_SUBTYPE_ARM_ALL = 0,
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BFD_MACH_O_CPU_SUBTYPE_ARM_V4T = 5,
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BFD_MACH_O_CPU_SUBTYPE_ARM_V6 = 6,
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BFD_MACH_O_CPU_SUBTYPE_ARM_V5TEJ = 7,
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BFD_MACH_O_CPU_SUBTYPE_ARM_XSCALE = 8,
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BFD_MACH_O_CPU_SUBTYPE_ARM_V7 = 9
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}
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bfd_mach_o_cpu_subtype;
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typedef enum bfd_mach_o_filetype
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{
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BFD_MACH_O_MH_OBJECT = 0x01,
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BFD_MACH_O_MH_EXECUTE = 0x02,
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BFD_MACH_O_MH_FVMLIB = 0x03,
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BFD_MACH_O_MH_CORE = 0x04,
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BFD_MACH_O_MH_PRELOAD = 0x05,
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BFD_MACH_O_MH_DYLIB = 0x06,
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BFD_MACH_O_MH_DYLINKER = 0x07,
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BFD_MACH_O_MH_BUNDLE = 0x08,
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BFD_MACH_O_MH_DYLIB_STUB = 0x09,
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BFD_MACH_O_MH_DSYM = 0x0a,
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BFD_MACH_O_MH_KEXT_BUNDLE = 0x0b
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}
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bfd_mach_o_filetype;
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typedef enum bfd_mach_o_header_flags
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{
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BFD_MACH_O_MH_NOUNDEFS = 0x0000001,
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BFD_MACH_O_MH_INCRLINK = 0x0000002,
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BFD_MACH_O_MH_DYLDLINK = 0x0000004,
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BFD_MACH_O_MH_BINDATLOAD = 0x0000008,
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BFD_MACH_O_MH_PREBOUND = 0x0000010,
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BFD_MACH_O_MH_SPLIT_SEGS = 0x0000020,
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BFD_MACH_O_MH_LAZY_INIT = 0x0000040,
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BFD_MACH_O_MH_TWOLEVEL = 0x0000080,
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BFD_MACH_O_MH_FORCE_FLAT = 0x0000100,
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BFD_MACH_O_MH_NOMULTIDEFS = 0x0000200,
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BFD_MACH_O_MH_NOFIXPREBINDING = 0x0000400,
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BFD_MACH_O_MH_PREBINDABLE = 0x0000800,
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BFD_MACH_O_MH_ALLMODSBOUND = 0x0001000,
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BFD_MACH_O_MH_SUBSECTIONS_VIA_SYMBOLS = 0x0002000,
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BFD_MACH_O_MH_CANONICAL = 0x0004000,
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BFD_MACH_O_MH_WEAK_DEFINES = 0x0008000,
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BFD_MACH_O_MH_BINDS_TO_WEAK = 0x0010000,
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BFD_MACH_O_MH_ALLOW_STACK_EXECUTION = 0x0020000,
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BFD_MACH_O_MH_ROOT_SAFE = 0x0040000,
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BFD_MACH_O_MH_SETUID_SAFE = 0x0080000,
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BFD_MACH_O_MH_NO_REEXPORTED_DYLIBS = 0x0100000,
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BFD_MACH_O_MH_PIE = 0x0200000,
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BFD_MACH_O_MH_DEAD_STRIPPABLE_DYLIB = 0x0400000,
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BFD_MACH_O_MH_HAS_TLV_DESCRIPTORS = 0x0800000,
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BFD_MACH_O_MH_NO_HEAP_EXECUTION = 0x1000000
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}
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bfd_mach_o_header_flags;
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/* Load command constants. */
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#define BFD_MACH_O_LC_REQ_DYLD 0x80000000
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typedef enum bfd_mach_o_load_command_type
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{
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BFD_MACH_O_LC_SEGMENT = 0x1, /* File segment to be mapped. */
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BFD_MACH_O_LC_SYMTAB = 0x2, /* Link-edit stab symbol table info (obsolete). */
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BFD_MACH_O_LC_SYMSEG = 0x3, /* Link-edit gdb symbol table info. */
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BFD_MACH_O_LC_THREAD = 0x4, /* Thread. */
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BFD_MACH_O_LC_UNIXTHREAD = 0x5, /* UNIX thread (includes a stack). */
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BFD_MACH_O_LC_LOADFVMLIB = 0x6, /* Load a fixed VM shared library. */
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BFD_MACH_O_LC_IDFVMLIB = 0x7, /* Fixed VM shared library id. */
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BFD_MACH_O_LC_IDENT = 0x8, /* Object identification information (obsolete). */
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BFD_MACH_O_LC_FVMFILE = 0x9, /* Fixed VM file inclusion. */
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BFD_MACH_O_LC_PREPAGE = 0xa, /* Prepage command (internal use). */
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BFD_MACH_O_LC_DYSYMTAB = 0xb, /* Dynamic link-edit symbol table info. */
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BFD_MACH_O_LC_LOAD_DYLIB = 0xc, /* Load a dynamically linked shared library. */
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BFD_MACH_O_LC_ID_DYLIB = 0xd, /* Dynamically linked shared lib identification. */
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BFD_MACH_O_LC_LOAD_DYLINKER = 0xe, /* Load a dynamic linker. */
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BFD_MACH_O_LC_ID_DYLINKER = 0xf, /* Dynamic linker identification. */
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BFD_MACH_O_LC_PREBOUND_DYLIB = 0x10, /* Modules prebound for a dynamically. */
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BFD_MACH_O_LC_ROUTINES = 0x11, /* Image routines. */
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BFD_MACH_O_LC_SUB_FRAMEWORK = 0x12, /* Sub framework. */
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BFD_MACH_O_LC_SUB_UMBRELLA = 0x13, /* Sub umbrella. */
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BFD_MACH_O_LC_SUB_CLIENT = 0x14, /* Sub client. */
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BFD_MACH_O_LC_SUB_LIBRARY = 0x15, /* Sub library. */
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BFD_MACH_O_LC_TWOLEVEL_HINTS = 0x16, /* Two-level namespace lookup hints. */
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BFD_MACH_O_LC_PREBIND_CKSUM = 0x17, /* Prebind checksum. */
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/* Load a dynamically linked shared library that is allowed to be
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missing (weak). */
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BFD_MACH_O_LC_LOAD_WEAK_DYLIB = 0x18,
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BFD_MACH_O_LC_SEGMENT_64 = 0x19, /* 64-bit segment of this file to be
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mapped. */
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BFD_MACH_O_LC_ROUTINES_64 = 0x1a, /* Address of the dyld init routine
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in a dylib. */
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BFD_MACH_O_LC_UUID = 0x1b, /* 128-bit UUID of the executable. */
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BFD_MACH_O_LC_RPATH = 0x1c, /* Run path addiions. */
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BFD_MACH_O_LC_CODE_SIGNATURE = 0x1d, /* Local of code signature. */
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BFD_MACH_O_LC_SEGMENT_SPLIT_INFO = 0x1e, /* Local of info to split seg. */
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BFD_MACH_O_LC_REEXPORT_DYLIB = 0x1f, /* Load and re-export lib. */
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BFD_MACH_O_LC_LAZY_LOAD_DYLIB = 0x20, /* Delay load of lib until use. */
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BFD_MACH_O_LC_ENCRYPTION_INFO = 0x21, /* Encrypted segment info. */
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BFD_MACH_O_LC_DYLD_INFO = 0x22, /* Compressed dyld information. */
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BFD_MACH_O_LC_LOAD_UPWARD_DYLIB = 0x23, /* Load upward dylib. */
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BFD_MACH_O_LC_VERSION_MIN_MACOSX = 0x24, /* Minimal MacOSX version. */
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BFD_MACH_O_LC_VERSION_MIN_IPHONEOS = 0x25, /* Minimal IOS version. */
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BFD_MACH_O_LC_FUNCTION_STARTS = 0x26, /* Compressed table of func start. */
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BFD_MACH_O_LC_DYLD_ENVIRONMENT = 0x27, /* Env variable string for dyld. */
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BFD_MACH_O_LC_MAIN = 0x28, /* Entry point. */
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BFD_MACH_O_LC_DATA_IN_CODE = 0x29, /* Table of non-instructions. */
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BFD_MACH_O_LC_SOURCE_VERSION = 0x2a, /* Source version. */
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BFD_MACH_O_LC_DYLIB_CODE_SIGN_DRS = 0x2b /* DRs from dylibs. */
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}
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bfd_mach_o_load_command_type;
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/* Section constants. */
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/* Constants for the type of a section. */
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typedef enum bfd_mach_o_section_type
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{
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/* Regular section. */
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BFD_MACH_O_S_REGULAR = 0x0,
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/* Zero fill on demand section. */
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BFD_MACH_O_S_ZEROFILL = 0x1,
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/* Section with only literal C strings. */
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BFD_MACH_O_S_CSTRING_LITERALS = 0x2,
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/* Section with only 4 byte literals. */
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BFD_MACH_O_S_4BYTE_LITERALS = 0x3,
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/* Section with only 8 byte literals. */
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BFD_MACH_O_S_8BYTE_LITERALS = 0x4,
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/* Section with only pointers to literals. */
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BFD_MACH_O_S_LITERAL_POINTERS = 0x5,
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/* For the two types of symbol pointers sections and the symbol stubs
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section they have indirect symbol table entries. For each of the
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entries in the section the indirect symbol table entries, in
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corresponding order in the indirect symbol table, start at the index
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stored in the reserved1 field of the section structure. Since the
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indirect symbol table entries correspond to the entries in the
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section the number of indirect symbol table entries is inferred from
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the size of the section divided by the size of the entries in the
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section. For symbol pointers sections the size of the entries in
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the section is 4 bytes and for symbol stubs sections the byte size
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of the stubs is stored in the reserved2 field of the section
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structure. */
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/* Section with only non-lazy symbol pointers. */
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BFD_MACH_O_S_NON_LAZY_SYMBOL_POINTERS = 0x6,
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/* Section with only lazy symbol pointers. */
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BFD_MACH_O_S_LAZY_SYMBOL_POINTERS = 0x7,
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/* Section with only symbol stubs, byte size of stub in the reserved2
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field. */
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BFD_MACH_O_S_SYMBOL_STUBS = 0x8,
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/* Section with only function pointers for initialization. */
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BFD_MACH_O_S_MOD_INIT_FUNC_POINTERS = 0x9,
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/* Section with only function pointers for termination. */
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BFD_MACH_O_S_MOD_FINI_FUNC_POINTERS = 0xa,
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/* Section contains symbols that are coalesced by the linkers. */
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BFD_MACH_O_S_COALESCED = 0xb,
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/* Zero fill on demand section (possibly larger than 4 GB). */
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BFD_MACH_O_S_GB_ZEROFILL = 0xc,
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/* Section with only pairs of function pointers for interposing. */
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BFD_MACH_O_S_INTERPOSING = 0xd,
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/* Section with only 16 byte literals. */
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BFD_MACH_O_S_16BYTE_LITERALS = 0xe,
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/* Section contains DTrace Object Format. */
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BFD_MACH_O_S_DTRACE_DOF = 0xf,
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/* Section with only lazy symbol pointers to lazy loaded dylibs. */
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BFD_MACH_O_S_LAZY_DYLIB_SYMBOL_POINTERS = 0x10
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}
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bfd_mach_o_section_type;
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/* The flags field of a section structure is separated into two parts a section
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type and section attributes. The section types are mutually exclusive (it
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can only have one type) but the section attributes are not (it may have more
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than one attribute). */
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#define BFD_MACH_O_SECTION_TYPE_MASK 0x000000ff
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/* Constants for the section attributes part of the flags field of a section
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structure. */
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#define BFD_MACH_O_SECTION_ATTRIBUTES_MASK 0xffffff00
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/* System setable attributes. */
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#define BFD_MACH_O_SECTION_ATTRIBUTES_SYS 0x00ffff00
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/* User attributes. */
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#define BFD_MACH_O_SECTION_ATTRIBUTES_USR 0xff000000
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typedef enum bfd_mach_o_section_attribute
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{
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/* Section has no specified attibutes. */
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BFD_MACH_O_S_ATTR_NONE = 0,
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/* Section has local relocation entries. */
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BFD_MACH_O_S_ATTR_LOC_RELOC = 0x00000100,
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/* Section has external relocation entries. */
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BFD_MACH_O_S_ATTR_EXT_RELOC = 0x00000200,
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/* Section contains some machine instructions. */
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BFD_MACH_O_S_ATTR_SOME_INSTRUCTIONS = 0x00000400,
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/* A debug section. */
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BFD_MACH_O_S_ATTR_DEBUG = 0x02000000,
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/* Used with i386 stubs. */
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BFD_MACH_O_S_SELF_MODIFYING_CODE = 0x04000000,
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/* Blocks are live if they reference live blocks. */
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BFD_MACH_O_S_ATTR_LIVE_SUPPORT = 0x08000000,
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|
|
|
|||
|
|
/* 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;
|
|||
|
|
|
|||
|
|
/* 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
|
|||
|
|
|
|||
|
|
/* 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 */
|