* external.h (mach_o_entry_point_command_external) (mach_o_source_version_command_external) (mach_o_data_in_code_entry_external): New structures. * loader.h (bfd_mach_o_load_command_type): Add BFD_MACH_O_LC_MAIN, BFD_MACH_O_LC_DATA_IN_CODE, BFD_MACH_O_LC_SOURCE_VERSION and BFD_MACH_O_LC_DYLIB_CODE_SIGN_DRS. (BFD_MACH_O_REFERENCE_MASK): Adjust value. (BFD_MACH_O_N_REF_TO_WEAK): New definition. (BFD_MACH_O_N_ARM_THUMB_DEF, BFD_MACH_O_N_SYMBOL_RESOLVER): Likewise. (bfd_mach_o_data_in_code_entry_kind): New enum.
		
			
				
	
	
		
			379 lines
		
	
	
		
			14 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			379 lines
		
	
	
		
			14 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /* Mach-O support for BFD.
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|    Copyright 2011, 2012
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|    Free Software Foundation, Inc.
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| 
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|    This file is part of BFD, the Binary File Descriptor library.
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| 
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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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| 
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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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| 
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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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| 
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| #ifndef _MACH_O_LOADER_H
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| #define _MACH_O_LOADER_H
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| 
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| /* Constants for header. */
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| 
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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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| 
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| #define BFD_MACH_O_CPU_IS64BIT 0x1000000
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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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| /* Load command constants.  */
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| #define BFD_MACH_O_LC_REQ_DYLD 0x80000000
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| 
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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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| 
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| /* Section constants.  */
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| /* Constants for the type of a section.  */
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| 
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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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| 
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|   /* Zero fill on demand section.  */
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|   BFD_MACH_O_S_ZEROFILL = 0x1,
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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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|   /* Section contains DTrace Object Format.  */
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|   BFD_MACH_O_S_DTRACE_DOF = 0xf,
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| 
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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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| 
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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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| 
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| #define BFD_MACH_O_SECTION_TYPE_MASK        0x000000ff
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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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|   /* A debug section.  */
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|   BFD_MACH_O_S_ATTR_DEBUG             = 0x02000000,
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| 
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|   /* Used with i386 stubs.  */
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|   BFD_MACH_O_S_SELF_MODIFYING_CODE    = 0x04000000,
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| 
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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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| 
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|   /* No dead stripping.  */
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|   BFD_MACH_O_S_ATTR_NO_DEAD_STRIP     = 0x10000000,
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| 
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|   /* Section symbols can be stripped in files with MH_DYLDLINK flag.  */
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|   BFD_MACH_O_S_ATTR_STRIP_STATIC_SYMS = 0x20000000,
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| 
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|   /* Section contains coalesced symbols that are not to be in the TOC of an
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|      archive.  */
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|   BFD_MACH_O_S_ATTR_NO_TOC            = 0x40000000,
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| 
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|   /* Section contains only true machine instructions.  */
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|   BFD_MACH_O_S_ATTR_PURE_INSTRUCTIONS = 0x80000000
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| }
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| bfd_mach_o_section_attribute;
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| 
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| /* Symbol constants.  */
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| 
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| /* Symbol n_type values.  */
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| #define BFD_MACH_O_N_STAB  0xe0	/* If any of these bits set, a symbolic debugging entry.  */
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| #define BFD_MACH_O_N_PEXT  0x10	/* Private external symbol bit.  */
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| #define BFD_MACH_O_N_TYPE  0x0e	/* Mask for the type bits.  */
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| #define BFD_MACH_O_N_EXT   0x01	/* External symbol bit, set for external symbols.  */
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| #define BFD_MACH_O_N_UNDF  0x00	/* Undefined, n_sect == NO_SECT.  */
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| #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.  */
 | ||
| 
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| #define BFD_MACH_O_NO_SECT 0	/* Symbol not in any section of the image.  */
 | ||
| 
 | ||
| /* Symbol n_desc reference flags.  */
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| #define BFD_MACH_O_REFERENCE_MASK 				0x07
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| #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
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| #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
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| #define BFD_MACH_O_N_NO_DEAD_STRIP				0x20
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| #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
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| #define BFD_MACH_O_INDIRECT_SYM_ABS			0x40000000
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| 
 | ||
| /* Constants for DATA_IN_CODE entries.  */
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| typedef enum bfd_mach_o_data_in_code_entry_kind
 | ||
| {
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|   BFD_MACH_O_DICE_KIND_DATA         = 0x0001, /* Data */
 | ||
|   BFD_MACH_O_DICE_JUMP_TABLES8      = 0x0002, /* 1 byte jump tables.  */
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|   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 */
 |