xref: /netbsd-src/external/gpl3/binutils.old/dist/include/mach-o/loader.h (revision e992f068c547fd6e84b3f104dc2340adcc955732)
175fd0b74Schristos /* Mach-O support for BFD.
2*e992f068Schristos    Copyright (C) 2011-2022 Free Software Foundation, Inc.
375fd0b74Schristos 
475fd0b74Schristos    This file is part of BFD, the Binary File Descriptor library.
575fd0b74Schristos 
675fd0b74Schristos    This program is free software; you can redistribute it and/or modify
775fd0b74Schristos    it under the terms of the GNU General Public License as published by
875fd0b74Schristos    the Free Software Foundation; either version 3 of the License, or
975fd0b74Schristos    (at your option) any later version.
1075fd0b74Schristos 
1175fd0b74Schristos    This program is distributed in the hope that it will be useful,
1275fd0b74Schristos    but WITHOUT ANY WARRANTY; without even the implied warranty of
1375fd0b74Schristos    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
1475fd0b74Schristos    GNU General Public License for more details.
1575fd0b74Schristos 
1675fd0b74Schristos    You should have received a copy of the GNU General Public License
1775fd0b74Schristos    along with this program; if not, write to the Free Software
1875fd0b74Schristos    Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
1975fd0b74Schristos    MA 02110-1301, USA.  */
2075fd0b74Schristos 
2175fd0b74Schristos #ifndef _MACH_O_LOADER_H
2275fd0b74Schristos #define _MACH_O_LOADER_H
2375fd0b74Schristos 
2475fd0b74Schristos /* Constants for header. */
2575fd0b74Schristos 
2675fd0b74Schristos typedef enum bfd_mach_o_mach_header_magic
2775fd0b74Schristos {
2875fd0b74Schristos   BFD_MACH_O_MH_MAGIC    = 0xfeedface,
2975fd0b74Schristos   BFD_MACH_O_MH_CIGAM    = 0xcefaedfe,
3075fd0b74Schristos   BFD_MACH_O_MH_MAGIC_64 = 0xfeedfacf,
3175fd0b74Schristos   BFD_MACH_O_MH_CIGAM_64 = 0xcffaedfe
3275fd0b74Schristos }
3375fd0b74Schristos bfd_mach_o_mach_header_magic;
3475fd0b74Schristos 
3575fd0b74Schristos /* Capability bits in cpu type.  */
3675fd0b74Schristos #define BFD_MACH_O_CPU_ARCH_MASK  0xff000000
3775fd0b74Schristos #define BFD_MACH_O_CPU_ARCH_ABI64 0x01000000
3875fd0b74Schristos #define BFD_MACH_O_CPU_IS64BIT    0x01000000
3975fd0b74Schristos 
4075fd0b74Schristos typedef enum bfd_mach_o_cpu_type
4175fd0b74Schristos {
4275fd0b74Schristos   BFD_MACH_O_CPU_TYPE_VAX = 1,
4375fd0b74Schristos   BFD_MACH_O_CPU_TYPE_MC680x0 = 6,
4475fd0b74Schristos   BFD_MACH_O_CPU_TYPE_I386 = 7,
4575fd0b74Schristos   BFD_MACH_O_CPU_TYPE_MIPS = 8,
4675fd0b74Schristos   BFD_MACH_O_CPU_TYPE_MC98000 = 10,
4775fd0b74Schristos   BFD_MACH_O_CPU_TYPE_HPPA = 11,
4875fd0b74Schristos   BFD_MACH_O_CPU_TYPE_ARM = 12,
4975fd0b74Schristos   BFD_MACH_O_CPU_TYPE_MC88000 = 13,
5075fd0b74Schristos   BFD_MACH_O_CPU_TYPE_SPARC = 14,
5175fd0b74Schristos   BFD_MACH_O_CPU_TYPE_I860 = 15,
5275fd0b74Schristos   BFD_MACH_O_CPU_TYPE_ALPHA = 16,
5375fd0b74Schristos   BFD_MACH_O_CPU_TYPE_POWERPC = 18,
5475fd0b74Schristos   BFD_MACH_O_CPU_TYPE_POWERPC_64 =
5575fd0b74Schristos     (BFD_MACH_O_CPU_TYPE_POWERPC | BFD_MACH_O_CPU_IS64BIT),
5675fd0b74Schristos   BFD_MACH_O_CPU_TYPE_X86_64 =
5775fd0b74Schristos     (BFD_MACH_O_CPU_TYPE_I386 | BFD_MACH_O_CPU_IS64BIT),
5875fd0b74Schristos   BFD_MACH_O_CPU_TYPE_ARM64 =
5975fd0b74Schristos     (BFD_MACH_O_CPU_TYPE_ARM | BFD_MACH_O_CPU_IS64BIT)
6075fd0b74Schristos }
6175fd0b74Schristos bfd_mach_o_cpu_type;
6275fd0b74Schristos 
6375fd0b74Schristos /* Capability bits in cpu subtype.  */
6475fd0b74Schristos #define BFD_MACH_O_CPU_SUBTYPE_MASK  0xff000000
6575fd0b74Schristos #define BFD_MACH_O_CPU_SUBTYPE_LIB64 0x80000000
6675fd0b74Schristos 
6775fd0b74Schristos typedef enum bfd_mach_o_cpu_subtype
6875fd0b74Schristos {
6975fd0b74Schristos   /* i386.  */
7075fd0b74Schristos   BFD_MACH_O_CPU_SUBTYPE_X86_ALL = 3,
7175fd0b74Schristos 
7275fd0b74Schristos   /* arm.  */
7375fd0b74Schristos   BFD_MACH_O_CPU_SUBTYPE_ARM_ALL = 0,
7475fd0b74Schristos   BFD_MACH_O_CPU_SUBTYPE_ARM_V4T = 5,
7575fd0b74Schristos   BFD_MACH_O_CPU_SUBTYPE_ARM_V6 = 6,
7675fd0b74Schristos   BFD_MACH_O_CPU_SUBTYPE_ARM_V5TEJ = 7,
7775fd0b74Schristos   BFD_MACH_O_CPU_SUBTYPE_ARM_XSCALE = 8,
7875fd0b74Schristos   BFD_MACH_O_CPU_SUBTYPE_ARM_V7 = 9,
7975fd0b74Schristos 
8075fd0b74Schristos   /* arm64.  */
8175fd0b74Schristos   BFD_MACH_O_CPU_SUBTYPE_ARM64_ALL = 0,
8275fd0b74Schristos   BFD_MACH_O_CPU_SUBTYPE_ARM64_V8 = 1
8375fd0b74Schristos }
8475fd0b74Schristos bfd_mach_o_cpu_subtype;
8575fd0b74Schristos 
8675fd0b74Schristos typedef enum bfd_mach_o_filetype
8775fd0b74Schristos {
8875fd0b74Schristos   BFD_MACH_O_MH_OBJECT      = 0x01,
8975fd0b74Schristos   BFD_MACH_O_MH_EXECUTE     = 0x02,
9075fd0b74Schristos   BFD_MACH_O_MH_FVMLIB      = 0x03,
9175fd0b74Schristos   BFD_MACH_O_MH_CORE        = 0x04,
9275fd0b74Schristos   BFD_MACH_O_MH_PRELOAD     = 0x05,
9375fd0b74Schristos   BFD_MACH_O_MH_DYLIB       = 0x06,
9475fd0b74Schristos   BFD_MACH_O_MH_DYLINKER    = 0x07,
9575fd0b74Schristos   BFD_MACH_O_MH_BUNDLE      = 0x08,
9675fd0b74Schristos   BFD_MACH_O_MH_DYLIB_STUB  = 0x09,
9775fd0b74Schristos   BFD_MACH_O_MH_DSYM        = 0x0a,
9875fd0b74Schristos   BFD_MACH_O_MH_KEXT_BUNDLE = 0x0b
9975fd0b74Schristos }
10075fd0b74Schristos bfd_mach_o_filetype;
10175fd0b74Schristos 
10275fd0b74Schristos typedef enum bfd_mach_o_header_flags
10375fd0b74Schristos {
10475fd0b74Schristos   BFD_MACH_O_MH_NOUNDEFS		= 0x0000001,
10575fd0b74Schristos   BFD_MACH_O_MH_INCRLINK		= 0x0000002,
10675fd0b74Schristos   BFD_MACH_O_MH_DYLDLINK		= 0x0000004,
10775fd0b74Schristos   BFD_MACH_O_MH_BINDATLOAD		= 0x0000008,
10875fd0b74Schristos   BFD_MACH_O_MH_PREBOUND		= 0x0000010,
10975fd0b74Schristos   BFD_MACH_O_MH_SPLIT_SEGS		= 0x0000020,
11075fd0b74Schristos   BFD_MACH_O_MH_LAZY_INIT		= 0x0000040,
11175fd0b74Schristos   BFD_MACH_O_MH_TWOLEVEL		= 0x0000080,
11275fd0b74Schristos   BFD_MACH_O_MH_FORCE_FLAT		= 0x0000100,
11375fd0b74Schristos   BFD_MACH_O_MH_NOMULTIDEFS		= 0x0000200,
11475fd0b74Schristos   BFD_MACH_O_MH_NOFIXPREBINDING		= 0x0000400,
11575fd0b74Schristos   BFD_MACH_O_MH_PREBINDABLE		= 0x0000800,
11675fd0b74Schristos   BFD_MACH_O_MH_ALLMODSBOUND		= 0x0001000,
11775fd0b74Schristos   BFD_MACH_O_MH_SUBSECTIONS_VIA_SYMBOLS = 0x0002000,
11875fd0b74Schristos   BFD_MACH_O_MH_CANONICAL		= 0x0004000,
11975fd0b74Schristos   BFD_MACH_O_MH_WEAK_DEFINES		= 0x0008000,
12075fd0b74Schristos   BFD_MACH_O_MH_BINDS_TO_WEAK		= 0x0010000,
12175fd0b74Schristos   BFD_MACH_O_MH_ALLOW_STACK_EXECUTION	= 0x0020000,
12275fd0b74Schristos   BFD_MACH_O_MH_ROOT_SAFE		= 0x0040000,
12375fd0b74Schristos   BFD_MACH_O_MH_SETUID_SAFE		= 0x0080000,
12475fd0b74Schristos   BFD_MACH_O_MH_NO_REEXPORTED_DYLIBS	= 0x0100000,
12575fd0b74Schristos   BFD_MACH_O_MH_PIE			= 0x0200000,
12675fd0b74Schristos   BFD_MACH_O_MH_DEAD_STRIPPABLE_DYLIB   = 0x0400000,
12775fd0b74Schristos   BFD_MACH_O_MH_HAS_TLV_DESCRIPTORS     = 0x0800000,
12875fd0b74Schristos   BFD_MACH_O_MH_NO_HEAP_EXECUTION       = 0x1000000,
12975fd0b74Schristos   BFD_MACH_O_MH_APP_EXTENSION_SAFE      = 0x2000000
13075fd0b74Schristos }
13175fd0b74Schristos bfd_mach_o_header_flags;
13275fd0b74Schristos 
13375fd0b74Schristos /* Load command constants.  */
13475fd0b74Schristos #define BFD_MACH_O_LC_REQ_DYLD 0x80000000
13575fd0b74Schristos 
13675fd0b74Schristos typedef enum bfd_mach_o_load_command_type
13775fd0b74Schristos {
13875fd0b74Schristos   BFD_MACH_O_LC_SEGMENT = 0x1,		/* File segment to be mapped.  */
13975fd0b74Schristos   BFD_MACH_O_LC_SYMTAB = 0x2,		/* Link-edit stab symbol table info (obsolete).  */
14075fd0b74Schristos   BFD_MACH_O_LC_SYMSEG = 0x3,		/* Link-edit gdb symbol table info.  */
14175fd0b74Schristos   BFD_MACH_O_LC_THREAD = 0x4,		/* Thread.  */
14275fd0b74Schristos   BFD_MACH_O_LC_UNIXTHREAD = 0x5,	/* UNIX thread (includes a stack).  */
14375fd0b74Schristos   BFD_MACH_O_LC_LOADFVMLIB = 0x6,	/* Load a fixed VM shared library.  */
14475fd0b74Schristos   BFD_MACH_O_LC_IDFVMLIB = 0x7,		/* Fixed VM shared library id.  */
14575fd0b74Schristos   BFD_MACH_O_LC_IDENT = 0x8,		/* Object identification information (obsolete).  */
14675fd0b74Schristos   BFD_MACH_O_LC_FVMFILE = 0x9,		/* Fixed VM file inclusion.  */
14775fd0b74Schristos   BFD_MACH_O_LC_PREPAGE = 0xa,		/* Prepage command (internal use).  */
14875fd0b74Schristos   BFD_MACH_O_LC_DYSYMTAB = 0xb,		/* Dynamic link-edit symbol table info.  */
14975fd0b74Schristos   BFD_MACH_O_LC_LOAD_DYLIB = 0xc,	/* Load a dynamically linked shared library.  */
15075fd0b74Schristos   BFD_MACH_O_LC_ID_DYLIB = 0xd,		/* Dynamically linked shared lib identification.  */
15175fd0b74Schristos   BFD_MACH_O_LC_LOAD_DYLINKER = 0xe,	/* Load a dynamic linker.  */
15275fd0b74Schristos   BFD_MACH_O_LC_ID_DYLINKER = 0xf,	/* Dynamic linker identification.  */
15375fd0b74Schristos   BFD_MACH_O_LC_PREBOUND_DYLIB = 0x10,	/* Modules prebound for a dynamically.  */
15475fd0b74Schristos   BFD_MACH_O_LC_ROUTINES = 0x11,	/* Image routines.  */
15575fd0b74Schristos   BFD_MACH_O_LC_SUB_FRAMEWORK = 0x12,	/* Sub framework.  */
15675fd0b74Schristos   BFD_MACH_O_LC_SUB_UMBRELLA = 0x13,	/* Sub umbrella.  */
15775fd0b74Schristos   BFD_MACH_O_LC_SUB_CLIENT = 0x14,	/* Sub client.  */
15875fd0b74Schristos   BFD_MACH_O_LC_SUB_LIBRARY = 0x15,   	/* Sub library.  */
15975fd0b74Schristos   BFD_MACH_O_LC_TWOLEVEL_HINTS = 0x16,	/* Two-level namespace lookup hints.  */
16075fd0b74Schristos   BFD_MACH_O_LC_PREBIND_CKSUM = 0x17, 	/* Prebind checksum.  */
16175fd0b74Schristos   /* Load a dynamically linked shared library that is allowed to be
16275fd0b74Schristos        missing (weak).  */
16375fd0b74Schristos   BFD_MACH_O_LC_LOAD_WEAK_DYLIB = 0x18,
16475fd0b74Schristos   BFD_MACH_O_LC_SEGMENT_64 = 0x19,		/* 64-bit segment of this file to be
16575fd0b74Schristos 						   mapped.  */
16675fd0b74Schristos   BFD_MACH_O_LC_ROUTINES_64 = 0x1a,     	/* Address of the dyld init routine
16775fd0b74Schristos 						   in a dylib.  */
16875fd0b74Schristos   BFD_MACH_O_LC_UUID = 0x1b,            	/* 128-bit UUID of the executable.  */
16975fd0b74Schristos   BFD_MACH_O_LC_RPATH = 0x1c,			/* Run path addiions.  */
17075fd0b74Schristos   BFD_MACH_O_LC_CODE_SIGNATURE = 0x1d,		/* Local of code signature.  */
17175fd0b74Schristos   BFD_MACH_O_LC_SEGMENT_SPLIT_INFO = 0x1e,	/* Local of info to split seg.  */
17275fd0b74Schristos   BFD_MACH_O_LC_REEXPORT_DYLIB = 0x1f,		/* Load and re-export lib.  */
17375fd0b74Schristos   BFD_MACH_O_LC_LAZY_LOAD_DYLIB = 0x20,		/* Delay load of lib until use.  */
17475fd0b74Schristos   BFD_MACH_O_LC_ENCRYPTION_INFO = 0x21,		/* Encrypted segment info.  */
17575fd0b74Schristos   BFD_MACH_O_LC_DYLD_INFO = 0x22,		/* Compressed dyld information.  */
17675fd0b74Schristos   BFD_MACH_O_LC_LOAD_UPWARD_DYLIB = 0x23,	/* Load upward dylib.  */
177012573ebSchristos   BFD_MACH_O_LC_VERSION_MIN_MACOSX = 0x24,	/* Minimal macOS version.  */
178012573ebSchristos   BFD_MACH_O_LC_VERSION_MIN_IPHONEOS = 0x25,	/* Minimal iOS version.  */
17975fd0b74Schristos   BFD_MACH_O_LC_FUNCTION_STARTS = 0x26,  	/* Compressed table of func start.  */
18075fd0b74Schristos   BFD_MACH_O_LC_DYLD_ENVIRONMENT = 0x27, 	/* Env variable string for dyld.  */
18175fd0b74Schristos   BFD_MACH_O_LC_MAIN = 0x28,             	/* Entry point.  */
18275fd0b74Schristos   BFD_MACH_O_LC_DATA_IN_CODE = 0x29,     	/* Table of non-instructions.  */
18375fd0b74Schristos   BFD_MACH_O_LC_SOURCE_VERSION = 0x2a,   	/* Source version.  */
18475fd0b74Schristos   BFD_MACH_O_LC_DYLIB_CODE_SIGN_DRS = 0x2b,	/* DRs from dylibs.  */
18575fd0b74Schristos   BFD_MACH_O_LC_ENCRYPTION_INFO_64 = 0x2c,	/* Encrypted 64 bit seg info.  */
18675fd0b74Schristos   BFD_MACH_O_LC_LINKER_OPTIONS = 0x2d,		/* Linker options.  */
18775fd0b74Schristos   BFD_MACH_O_LC_LINKER_OPTIMIZATION_HINT = 0x2e,/* Optimization hints.  */
188012573ebSchristos   BFD_MACH_O_LC_VERSION_MIN_TVOS = 0x2f,	/* Minimal tvOS version.  */
189012573ebSchristos   BFD_MACH_O_LC_VERSION_MIN_WATCHOS = 0x30,	/* Minimal watchOS version.  */
190012573ebSchristos   BFD_MACH_O_LC_NOTE = 0x31,			/* Region of arbitrary data.  */
191012573ebSchristos   BFD_MACH_O_LC_BUILD_VERSION = 0x32,		/* Generic build version.  */
192*e992f068Schristos   BFD_MACH_O_LC_DYLD_EXPORTS_TRIE = 0x33,	/* Exports trie. */
193*e992f068Schristos   BFD_MACH_O_LC_DYLD_CHAINED_FIXUPS = 0x34,	/* Chained fixups. */
19475fd0b74Schristos }
19575fd0b74Schristos bfd_mach_o_load_command_type;
19675fd0b74Schristos 
19775fd0b74Schristos /* Section constants.  */
19875fd0b74Schristos /* Constants for the type of a section.  */
19975fd0b74Schristos 
20075fd0b74Schristos typedef enum bfd_mach_o_section_type
20175fd0b74Schristos {
20275fd0b74Schristos   /* Regular section.  */
20375fd0b74Schristos   BFD_MACH_O_S_REGULAR = 0x0,
20475fd0b74Schristos 
20575fd0b74Schristos   /* Zero fill on demand section.  */
20675fd0b74Schristos   BFD_MACH_O_S_ZEROFILL = 0x1,
20775fd0b74Schristos 
20875fd0b74Schristos   /* Section with only literal C strings.  */
20975fd0b74Schristos   BFD_MACH_O_S_CSTRING_LITERALS = 0x2,
21075fd0b74Schristos 
21175fd0b74Schristos   /* Section with only 4 byte literals.  */
21275fd0b74Schristos   BFD_MACH_O_S_4BYTE_LITERALS = 0x3,
21375fd0b74Schristos 
21475fd0b74Schristos   /* Section with only 8 byte literals.  */
21575fd0b74Schristos   BFD_MACH_O_S_8BYTE_LITERALS = 0x4,
21675fd0b74Schristos 
21775fd0b74Schristos   /* Section with only pointers to literals.  */
21875fd0b74Schristos   BFD_MACH_O_S_LITERAL_POINTERS = 0x5,
21975fd0b74Schristos 
22075fd0b74Schristos   /* For the two types of symbol pointers sections and the symbol stubs
22175fd0b74Schristos      section they have indirect symbol table entries.  For each of the
22275fd0b74Schristos      entries in the section the indirect symbol table entries, in
22375fd0b74Schristos      corresponding order in the indirect symbol table, start at the index
22475fd0b74Schristos      stored in the reserved1 field of the section structure.  Since the
22575fd0b74Schristos      indirect symbol table entries correspond to the entries in the
22675fd0b74Schristos      section the number of indirect symbol table entries is inferred from
22775fd0b74Schristos      the size of the section divided by the size of the entries in the
22875fd0b74Schristos      section.  For symbol pointers sections the size of the entries in
22975fd0b74Schristos      the section is 4 bytes and for symbol stubs sections the byte size
23075fd0b74Schristos      of the stubs is stored in the reserved2 field of the section
23175fd0b74Schristos      structure.  */
23275fd0b74Schristos 
23375fd0b74Schristos   /* Section with only non-lazy symbol pointers.  */
23475fd0b74Schristos   BFD_MACH_O_S_NON_LAZY_SYMBOL_POINTERS = 0x6,
23575fd0b74Schristos 
23675fd0b74Schristos   /* Section with only lazy symbol pointers.  */
23775fd0b74Schristos   BFD_MACH_O_S_LAZY_SYMBOL_POINTERS = 0x7,
23875fd0b74Schristos 
23975fd0b74Schristos   /* Section with only symbol stubs, byte size of stub in the reserved2
24075fd0b74Schristos      field.  */
24175fd0b74Schristos   BFD_MACH_O_S_SYMBOL_STUBS = 0x8,
24275fd0b74Schristos 
24375fd0b74Schristos   /* Section with only function pointers for initialization.  */
24475fd0b74Schristos   BFD_MACH_O_S_MOD_INIT_FUNC_POINTERS = 0x9,
24575fd0b74Schristos 
24675fd0b74Schristos   /* Section with only function pointers for termination.  */
24775fd0b74Schristos   BFD_MACH_O_S_MOD_FINI_FUNC_POINTERS = 0xa,
24875fd0b74Schristos 
24975fd0b74Schristos   /* Section contains symbols that are coalesced by the linkers.  */
25075fd0b74Schristos   BFD_MACH_O_S_COALESCED = 0xb,
25175fd0b74Schristos 
25275fd0b74Schristos   /* Zero fill on demand section (possibly larger than 4 GB).  */
25375fd0b74Schristos   BFD_MACH_O_S_GB_ZEROFILL = 0xc,
25475fd0b74Schristos 
25575fd0b74Schristos   /* Section with only pairs of function pointers for interposing.  */
25675fd0b74Schristos   BFD_MACH_O_S_INTERPOSING = 0xd,
25775fd0b74Schristos 
25875fd0b74Schristos   /* Section with only 16 byte literals.  */
25975fd0b74Schristos   BFD_MACH_O_S_16BYTE_LITERALS = 0xe,
26075fd0b74Schristos 
26175fd0b74Schristos   /* Section contains DTrace Object Format.  */
26275fd0b74Schristos   BFD_MACH_O_S_DTRACE_DOF = 0xf,
26375fd0b74Schristos 
26475fd0b74Schristos   /* Section with only lazy symbol pointers to lazy loaded dylibs.  */
26575fd0b74Schristos   BFD_MACH_O_S_LAZY_DYLIB_SYMBOL_POINTERS = 0x10
26675fd0b74Schristos }
26775fd0b74Schristos bfd_mach_o_section_type;
26875fd0b74Schristos 
26975fd0b74Schristos /* The flags field of a section structure is separated into two parts a section
27075fd0b74Schristos    type and section attributes.  The section types are mutually exclusive (it
27175fd0b74Schristos    can only have one type) but the section attributes are not (it may have more
27275fd0b74Schristos    than one attribute).  */
27375fd0b74Schristos 
27475fd0b74Schristos #define BFD_MACH_O_SECTION_TYPE_MASK        0x000000ff
27575fd0b74Schristos 
27675fd0b74Schristos /* Constants for the section attributes part of the flags field of a section
27775fd0b74Schristos    structure.  */
27875fd0b74Schristos #define BFD_MACH_O_SECTION_ATTRIBUTES_MASK  0xffffff00
27975fd0b74Schristos /* System setable attributes.  */
28075fd0b74Schristos #define BFD_MACH_O_SECTION_ATTRIBUTES_SYS   0x00ffff00
28175fd0b74Schristos /* User attributes.  */
28275fd0b74Schristos #define BFD_MACH_O_SECTION_ATTRIBUTES_USR   0xff000000
28375fd0b74Schristos 
28475fd0b74Schristos typedef enum bfd_mach_o_section_attribute
28575fd0b74Schristos {
28675fd0b74Schristos   /* Section has no specified attibutes.  */
28775fd0b74Schristos   BFD_MACH_O_S_ATTR_NONE              = 0,
28875fd0b74Schristos 
28975fd0b74Schristos   /* Section has local relocation entries.  */
29075fd0b74Schristos   BFD_MACH_O_S_ATTR_LOC_RELOC         = 0x00000100,
29175fd0b74Schristos 
29275fd0b74Schristos   /* Section has external relocation entries.  */
29375fd0b74Schristos   BFD_MACH_O_S_ATTR_EXT_RELOC         = 0x00000200,
29475fd0b74Schristos 
29575fd0b74Schristos   /* Section contains some machine instructions.  */
29675fd0b74Schristos   BFD_MACH_O_S_ATTR_SOME_INSTRUCTIONS = 0x00000400,
29775fd0b74Schristos 
29875fd0b74Schristos   /* A debug section.  */
29975fd0b74Schristos   BFD_MACH_O_S_ATTR_DEBUG             = 0x02000000,
30075fd0b74Schristos 
30175fd0b74Schristos   /* Used with i386 stubs.  */
30275fd0b74Schristos   BFD_MACH_O_S_SELF_MODIFYING_CODE    = 0x04000000,
30375fd0b74Schristos 
30475fd0b74Schristos   /* Blocks are live if they reference live blocks.  */
30575fd0b74Schristos   BFD_MACH_O_S_ATTR_LIVE_SUPPORT      = 0x08000000,
30675fd0b74Schristos 
30775fd0b74Schristos   /* No dead stripping.  */
30875fd0b74Schristos   BFD_MACH_O_S_ATTR_NO_DEAD_STRIP     = 0x10000000,
30975fd0b74Schristos 
31075fd0b74Schristos   /* Section symbols can be stripped in files with MH_DYLDLINK flag.  */
31175fd0b74Schristos   BFD_MACH_O_S_ATTR_STRIP_STATIC_SYMS = 0x20000000,
31275fd0b74Schristos 
31375fd0b74Schristos   /* Section contains coalesced symbols that are not to be in the TOC of an
31475fd0b74Schristos      archive.  */
31575fd0b74Schristos   BFD_MACH_O_S_ATTR_NO_TOC            = 0x40000000,
31675fd0b74Schristos 
31775fd0b74Schristos   /* Section contains only true machine instructions.  */
31875fd0b74Schristos   BFD_MACH_O_S_ATTR_PURE_INSTRUCTIONS = 0x80000000
31975fd0b74Schristos }
32075fd0b74Schristos bfd_mach_o_section_attribute;
32175fd0b74Schristos 
32275fd0b74Schristos /* Symbol constants.  */
32375fd0b74Schristos 
32475fd0b74Schristos /* Symbol n_type values.  */
32575fd0b74Schristos #define BFD_MACH_O_N_STAB  0xe0	/* If any of these bits set, a symbolic debugging entry.  */
32675fd0b74Schristos #define BFD_MACH_O_N_PEXT  0x10	/* Private external symbol bit.  */
32775fd0b74Schristos #define BFD_MACH_O_N_TYPE  0x0e	/* Mask for the type bits.  */
32875fd0b74Schristos #define BFD_MACH_O_N_EXT   0x01	/* External symbol bit, set for external symbols.  */
32975fd0b74Schristos #define BFD_MACH_O_N_UNDF  0x00	/* Undefined, n_sect == NO_SECT.  */
33075fd0b74Schristos #define BFD_MACH_O_N_ABS   0x02	/* Absolute, n_sect == NO_SECT.  */
33175fd0b74Schristos #define BFD_MACH_O_N_INDR  0x0a	/* Indirect.  */
33275fd0b74Schristos #define BFD_MACH_O_N_PBUD  0x0c /* Prebound undefined (defined in a dylib).  */
33375fd0b74Schristos #define BFD_MACH_O_N_SECT  0x0e	/* Defined in section number n_sect.  */
33475fd0b74Schristos 
33575fd0b74Schristos #define BFD_MACH_O_NO_SECT 0	/* Symbol not in any section of the image.  */
33675fd0b74Schristos 
33775fd0b74Schristos /* Symbol n_desc reference flags.  */
33875fd0b74Schristos #define BFD_MACH_O_REFERENCE_MASK 				0x07
33975fd0b74Schristos #define BFD_MACH_O_REFERENCE_FLAG_UNDEFINED_NON_LAZY		0x00
34075fd0b74Schristos #define BFD_MACH_O_REFERENCE_FLAG_UNDEFINED_LAZY		0x01
34175fd0b74Schristos #define BFD_MACH_O_REFERENCE_FLAG_DEFINED			0x02
34275fd0b74Schristos #define BFD_MACH_O_REFERENCE_FLAG_PRIVATE_DEFINED		0x03
34375fd0b74Schristos #define BFD_MACH_O_REFERENCE_FLAG_PRIVATE_UNDEFINED_NON_LAZY	0x04
34475fd0b74Schristos #define BFD_MACH_O_REFERENCE_FLAG_PRIVATE_UNDEFINED_LAZY	0x05
34575fd0b74Schristos 
34675fd0b74Schristos #define BFD_MACH_O_REFERENCED_DYNAMICALLY			0x10
34775fd0b74Schristos #define BFD_MACH_O_N_DESC_DISCARDED				0x20
34875fd0b74Schristos #define BFD_MACH_O_N_NO_DEAD_STRIP				0x20
34975fd0b74Schristos #define BFD_MACH_O_N_WEAK_REF					0x40
35075fd0b74Schristos #define BFD_MACH_O_N_WEAK_DEF					0x80
35175fd0b74Schristos #define BFD_MACH_O_N_REF_TO_WEAK				0x80
35275fd0b74Schristos 
35375fd0b74Schristos #define BFD_MACH_O_N_ARM_THUMB_DEF				0x08
35475fd0b74Schristos #define BFD_MACH_O_N_SYMBOL_RESOLVER				0x100
35575fd0b74Schristos 
35675fd0b74Schristos #define BFD_MACH_O_INDIRECT_SYM_LOCAL			0x80000000
35775fd0b74Schristos #define BFD_MACH_O_INDIRECT_SYM_ABS			0x40000000
35875fd0b74Schristos 
35975fd0b74Schristos /* Constants for dyld info rebase.  */
36075fd0b74Schristos #define BFD_MACH_O_REBASE_OPCODE_MASK     0xf0
36175fd0b74Schristos #define BFD_MACH_O_REBASE_IMMEDIATE_MASK  0x0f
36275fd0b74Schristos 
36375fd0b74Schristos /* The rebase opcodes.  */
36475fd0b74Schristos #define BFD_MACH_O_REBASE_OPCODE_DONE                               0x00
36575fd0b74Schristos #define BFD_MACH_O_REBASE_OPCODE_SET_TYPE_IMM                       0x10
36675fd0b74Schristos #define BFD_MACH_O_REBASE_OPCODE_SET_SEGMENT_AND_OFFSET_ULEB        0x20
36775fd0b74Schristos #define BFD_MACH_O_REBASE_OPCODE_ADD_ADDR_ULEB                      0x30
36875fd0b74Schristos #define BFD_MACH_O_REBASE_OPCODE_ADD_ADDR_IMM_SCALED                0x40
36975fd0b74Schristos #define BFD_MACH_O_REBASE_OPCODE_DO_REBASE_IMM_TIMES                0x50
37075fd0b74Schristos #define BFD_MACH_O_REBASE_OPCODE_DO_REBASE_ULEB_TIMES               0x60
37175fd0b74Schristos #define BFD_MACH_O_REBASE_OPCODE_DO_REBASE_ADD_ADDR_ULEB            0x70
37275fd0b74Schristos #define BFD_MACH_O_REBASE_OPCODE_DO_REBASE_ULEB_TIMES_SKIPPING_ULEB 0x80
37375fd0b74Schristos 
37475fd0b74Schristos /* The rebase type.  */
37575fd0b74Schristos #define BFD_MACH_O_REBASE_TYPE_POINTER            1
37675fd0b74Schristos #define BFD_MACH_O_REBASE_TYPE_TEXT_ABSOLUTE32    2
37775fd0b74Schristos #define BFD_MACH_O_REBASE_TYPE_TEXT_PCREL32       3
37875fd0b74Schristos 
37975fd0b74Schristos /* Constants for dyld info bind.  */
38075fd0b74Schristos #define BFD_MACH_O_BIND_OPCODE_MASK    0xf0
38175fd0b74Schristos #define BFD_MACH_O_BIND_IMMEDIATE_MASK 0x0f
38275fd0b74Schristos 
38375fd0b74Schristos /* The bind opcodes.  */
38475fd0b74Schristos #define BFD_MACH_O_BIND_OPCODE_DONE                   	      	 0x00
38575fd0b74Schristos #define BFD_MACH_O_BIND_OPCODE_SET_DYLIB_ORDINAL_IMM  	      	 0x10
38675fd0b74Schristos #define BFD_MACH_O_BIND_OPCODE_SET_DYLIB_ORDINAL_ULEB 	      	 0x20
38775fd0b74Schristos #define BFD_MACH_O_BIND_OPCODE_SET_DYLIB_SPECIAL_IMM  	      	 0x30
38875fd0b74Schristos #define BFD_MACH_O_BIND_OPCODE_SET_SYMBOL_TRAILING_FLAGS_IMM 	 0x40
38975fd0b74Schristos #define BFD_MACH_O_BIND_OPCODE_SET_TYPE_IMM                  	 0x50
39075fd0b74Schristos #define BFD_MACH_O_BIND_OPCODE_SET_ADDEND_SLEB               	 0x60
39175fd0b74Schristos #define BFD_MACH_O_BIND_OPCODE_SET_SEGMENT_AND_OFFSET_ULEB   	 0x70
39275fd0b74Schristos #define BFD_MACH_O_BIND_OPCODE_ADD_ADDR_ULEB                 	 0x80
39375fd0b74Schristos #define BFD_MACH_O_BIND_OPCODE_DO_BIND                       	 0x90
39475fd0b74Schristos #define BFD_MACH_O_BIND_OPCODE_DO_BIND_ADD_ADDR_ULEB         	 0xa0
39575fd0b74Schristos #define BFD_MACH_O_BIND_OPCODE_DO_BIND_ADD_ADDR_IMM_SCALED   	 0xb0
39675fd0b74Schristos #define BFD_MACH_O_BIND_OPCODE_DO_BIND_ULEB_TIMES_SKIPPING_ULEB 0xc0
39775fd0b74Schristos 
39875fd0b74Schristos /* The bind types.  */
39975fd0b74Schristos #define BFD_MACH_O_BIND_TYPE_POINTER            1
40075fd0b74Schristos #define BFD_MACH_O_BIND_TYPE_TEXT_ABSOLUTE32    2
40175fd0b74Schristos #define BFD_MACH_O_BIND_TYPE_TEXT_PCREL32       3
40275fd0b74Schristos 
40375fd0b74Schristos /* The special dylib.  */
40475fd0b74Schristos #define BFD_MACH_O_BIND_SPECIAL_DYLIB_SELF             0
40575fd0b74Schristos #define BFD_MACH_O_BIND_SPECIAL_DYLIB_MAIN_EXECUTABLE -1
40675fd0b74Schristos #define BFD_MACH_O_BIND_SPECIAL_DYLIB_FLAT_LOOKUP     -2
40775fd0b74Schristos 
40875fd0b74Schristos /* Constants for dyld info export.  */
40975fd0b74Schristos #define BFD_MACH_O_EXPORT_SYMBOL_FLAGS_KIND_MASK            0x03
41075fd0b74Schristos #define BFD_MACH_O_EXPORT_SYMBOL_FLAGS_KIND_REGULAR         0x00
41175fd0b74Schristos #define BFD_MACH_O_EXPORT_SYMBOL_FLAGS_KIND_THREAD_LOCAL    0x01
41275fd0b74Schristos #define BFD_MACH_O_EXPORT_SYMBOL_FLAGS_WEAK_DEFINITION      0x04
41375fd0b74Schristos #define BFD_MACH_O_EXPORT_SYMBOL_FLAGS_REEXPORT             0x08
41475fd0b74Schristos #define BFD_MACH_O_EXPORT_SYMBOL_FLAGS_STUB_AND_RESOLVER    0x10
41575fd0b74Schristos 
41675fd0b74Schristos /* Constants for DATA_IN_CODE entries.  */
41775fd0b74Schristos typedef enum bfd_mach_o_data_in_code_entry_kind
41875fd0b74Schristos {
41975fd0b74Schristos   BFD_MACH_O_DICE_KIND_DATA         = 0x0001, /* Data */
42075fd0b74Schristos   BFD_MACH_O_DICE_JUMP_TABLES8      = 0x0002, /* 1 byte jump tables.  */
42175fd0b74Schristos   BFD_MACH_O_DICE_JUMP_TABLES16     = 0x0003, /* 2 bytes.  */
42275fd0b74Schristos   BFD_MACH_O_DICE_JUMP_TABLES32     = 0x0004, /* 4 bytes.  */
42375fd0b74Schristos   BFD_MACH_O_DICE_ABS_JUMP_TABLES32 = 0x0005  /* Absolute jump table.  */
42475fd0b74Schristos } bfd_mach_o_data_in_code_entry_kind;
42575fd0b74Schristos 
42675fd0b74Schristos /* Thread constants.  */
42775fd0b74Schristos 
42875fd0b74Schristos typedef enum bfd_mach_o_ppc_thread_flavour
42975fd0b74Schristos {
43075fd0b74Schristos   BFD_MACH_O_PPC_THREAD_STATE      = 1,
43175fd0b74Schristos   BFD_MACH_O_PPC_FLOAT_STATE       = 2,
43275fd0b74Schristos   BFD_MACH_O_PPC_EXCEPTION_STATE   = 3,
43375fd0b74Schristos   BFD_MACH_O_PPC_VECTOR_STATE      = 4,
43475fd0b74Schristos   BFD_MACH_O_PPC_THREAD_STATE64    = 5,
43575fd0b74Schristos   BFD_MACH_O_PPC_EXCEPTION_STATE64 = 6,
43675fd0b74Schristos   BFD_MACH_O_PPC_THREAD_STATE_NONE = 7
43775fd0b74Schristos }
43875fd0b74Schristos bfd_mach_o_ppc_thread_flavour;
43975fd0b74Schristos 
44075fd0b74Schristos /* Defined in <mach/i386/thread_status.h> */
44175fd0b74Schristos typedef enum bfd_mach_o_i386_thread_flavour
44275fd0b74Schristos {
44375fd0b74Schristos   BFD_MACH_O_x86_THREAD_STATE32    = 1,
44475fd0b74Schristos   BFD_MACH_O_x86_FLOAT_STATE32     = 2,
44575fd0b74Schristos   BFD_MACH_O_x86_EXCEPTION_STATE32 = 3,
44675fd0b74Schristos   BFD_MACH_O_x86_THREAD_STATE64    = 4,
44775fd0b74Schristos   BFD_MACH_O_x86_FLOAT_STATE64     = 5,
44875fd0b74Schristos   BFD_MACH_O_x86_EXCEPTION_STATE64 = 6,
44975fd0b74Schristos   BFD_MACH_O_x86_THREAD_STATE      = 7,
45075fd0b74Schristos   BFD_MACH_O_x86_FLOAT_STATE       = 8,
45175fd0b74Schristos   BFD_MACH_O_x86_EXCEPTION_STATE   = 9,
45275fd0b74Schristos   BFD_MACH_O_x86_DEBUG_STATE32     = 10,
45375fd0b74Schristos   BFD_MACH_O_x86_DEBUG_STATE64     = 11,
45475fd0b74Schristos   BFD_MACH_O_x86_DEBUG_STATE       = 12,
45575fd0b74Schristos   BFD_MACH_O_x86_THREAD_STATE_NONE = 13
45675fd0b74Schristos }
45775fd0b74Schristos bfd_mach_o_i386_thread_flavour;
45875fd0b74Schristos 
45975fd0b74Schristos #endif /* _MACH_O_LOADER_H */
460