1a45ae5f8SJohn Marino /* Mach-O support for BFD. 2*ef5ccd6cSJohn Marino Copyright 2011, 2012 3a45ae5f8SJohn Marino Free Software Foundation, Inc. 4a45ae5f8SJohn Marino 5a45ae5f8SJohn Marino This file is part of BFD, the Binary File Descriptor library. 6a45ae5f8SJohn Marino 7a45ae5f8SJohn Marino This program is free software; you can redistribute it and/or modify 8a45ae5f8SJohn Marino it under the terms of the GNU General Public License as published by 9a45ae5f8SJohn Marino the Free Software Foundation; either version 3 of the License, or 10a45ae5f8SJohn Marino (at your option) any later version. 11a45ae5f8SJohn Marino 12a45ae5f8SJohn Marino This program is distributed in the hope that it will be useful, 13a45ae5f8SJohn Marino but WITHOUT ANY WARRANTY; without even the implied warranty of 14a45ae5f8SJohn Marino MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15a45ae5f8SJohn Marino GNU General Public License for more details. 16a45ae5f8SJohn Marino 17a45ae5f8SJohn Marino You should have received a copy of the GNU General Public License 18a45ae5f8SJohn Marino along with this program; if not, write to the Free Software 19a45ae5f8SJohn Marino Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, 20a45ae5f8SJohn Marino MA 02110-1301, USA. */ 21a45ae5f8SJohn Marino 22a45ae5f8SJohn Marino #ifndef _MACH_O_LOADER_H 23a45ae5f8SJohn Marino #define _MACH_O_LOADER_H 24a45ae5f8SJohn Marino 25a45ae5f8SJohn Marino /* Constants for header. */ 26a45ae5f8SJohn Marino 27a45ae5f8SJohn Marino typedef enum bfd_mach_o_mach_header_magic 28a45ae5f8SJohn Marino { 29a45ae5f8SJohn Marino BFD_MACH_O_MH_MAGIC = 0xfeedface, 30a45ae5f8SJohn Marino BFD_MACH_O_MH_CIGAM = 0xcefaedfe, 31a45ae5f8SJohn Marino BFD_MACH_O_MH_MAGIC_64 = 0xfeedfacf, 32a45ae5f8SJohn Marino BFD_MACH_O_MH_CIGAM_64 = 0xcffaedfe 33a45ae5f8SJohn Marino } 34a45ae5f8SJohn Marino bfd_mach_o_mach_header_magic; 35a45ae5f8SJohn Marino 36a45ae5f8SJohn Marino #define BFD_MACH_O_CPU_IS64BIT 0x1000000 37a45ae5f8SJohn Marino 38a45ae5f8SJohn Marino typedef enum bfd_mach_o_cpu_type 39a45ae5f8SJohn Marino { 40a45ae5f8SJohn Marino BFD_MACH_O_CPU_TYPE_VAX = 1, 41a45ae5f8SJohn Marino BFD_MACH_O_CPU_TYPE_MC680x0 = 6, 42a45ae5f8SJohn Marino BFD_MACH_O_CPU_TYPE_I386 = 7, 43a45ae5f8SJohn Marino BFD_MACH_O_CPU_TYPE_MIPS = 8, 44a45ae5f8SJohn Marino BFD_MACH_O_CPU_TYPE_MC98000 = 10, 45a45ae5f8SJohn Marino BFD_MACH_O_CPU_TYPE_HPPA = 11, 46a45ae5f8SJohn Marino BFD_MACH_O_CPU_TYPE_ARM = 12, 47a45ae5f8SJohn Marino BFD_MACH_O_CPU_TYPE_MC88000 = 13, 48a45ae5f8SJohn Marino BFD_MACH_O_CPU_TYPE_SPARC = 14, 49a45ae5f8SJohn Marino BFD_MACH_O_CPU_TYPE_I860 = 15, 50a45ae5f8SJohn Marino BFD_MACH_O_CPU_TYPE_ALPHA = 16, 51a45ae5f8SJohn Marino BFD_MACH_O_CPU_TYPE_POWERPC = 18, 52a45ae5f8SJohn Marino BFD_MACH_O_CPU_TYPE_POWERPC_64 = (BFD_MACH_O_CPU_TYPE_POWERPC | BFD_MACH_O_CPU_IS64BIT), 53a45ae5f8SJohn Marino BFD_MACH_O_CPU_TYPE_X86_64 = (BFD_MACH_O_CPU_TYPE_I386 | BFD_MACH_O_CPU_IS64BIT) 54a45ae5f8SJohn Marino } 55a45ae5f8SJohn Marino bfd_mach_o_cpu_type; 56a45ae5f8SJohn Marino 57a45ae5f8SJohn Marino typedef enum bfd_mach_o_cpu_subtype 58a45ae5f8SJohn Marino { 59*ef5ccd6cSJohn Marino /* i386. */ 60*ef5ccd6cSJohn Marino BFD_MACH_O_CPU_SUBTYPE_X86_ALL = 3, 61*ef5ccd6cSJohn Marino 62*ef5ccd6cSJohn Marino /* arm. */ 63*ef5ccd6cSJohn Marino BFD_MACH_O_CPU_SUBTYPE_ARM_ALL = 0, 64*ef5ccd6cSJohn Marino BFD_MACH_O_CPU_SUBTYPE_ARM_V4T = 5, 65*ef5ccd6cSJohn Marino BFD_MACH_O_CPU_SUBTYPE_ARM_V6 = 6, 66*ef5ccd6cSJohn Marino BFD_MACH_O_CPU_SUBTYPE_ARM_V5TEJ = 7, 67*ef5ccd6cSJohn Marino BFD_MACH_O_CPU_SUBTYPE_ARM_XSCALE = 8, 68*ef5ccd6cSJohn Marino BFD_MACH_O_CPU_SUBTYPE_ARM_V7 = 9 69a45ae5f8SJohn Marino } 70a45ae5f8SJohn Marino bfd_mach_o_cpu_subtype; 71a45ae5f8SJohn Marino 72a45ae5f8SJohn Marino typedef enum bfd_mach_o_filetype 73a45ae5f8SJohn Marino { 74a45ae5f8SJohn Marino BFD_MACH_O_MH_OBJECT = 0x01, 75a45ae5f8SJohn Marino BFD_MACH_O_MH_EXECUTE = 0x02, 76a45ae5f8SJohn Marino BFD_MACH_O_MH_FVMLIB = 0x03, 77a45ae5f8SJohn Marino BFD_MACH_O_MH_CORE = 0x04, 78a45ae5f8SJohn Marino BFD_MACH_O_MH_PRELOAD = 0x05, 79a45ae5f8SJohn Marino BFD_MACH_O_MH_DYLIB = 0x06, 80a45ae5f8SJohn Marino BFD_MACH_O_MH_DYLINKER = 0x07, 81a45ae5f8SJohn Marino BFD_MACH_O_MH_BUNDLE = 0x08, 82a45ae5f8SJohn Marino BFD_MACH_O_MH_DYLIB_STUB = 0x09, 83a45ae5f8SJohn Marino BFD_MACH_O_MH_DSYM = 0x0a, 84a45ae5f8SJohn Marino BFD_MACH_O_MH_KEXT_BUNDLE = 0x0b 85a45ae5f8SJohn Marino } 86a45ae5f8SJohn Marino bfd_mach_o_filetype; 87a45ae5f8SJohn Marino 88a45ae5f8SJohn Marino typedef enum bfd_mach_o_header_flags 89a45ae5f8SJohn Marino { 90a45ae5f8SJohn Marino BFD_MACH_O_MH_NOUNDEFS = 0x0000001, 91a45ae5f8SJohn Marino BFD_MACH_O_MH_INCRLINK = 0x0000002, 92a45ae5f8SJohn Marino BFD_MACH_O_MH_DYLDLINK = 0x0000004, 93a45ae5f8SJohn Marino BFD_MACH_O_MH_BINDATLOAD = 0x0000008, 94a45ae5f8SJohn Marino BFD_MACH_O_MH_PREBOUND = 0x0000010, 95a45ae5f8SJohn Marino BFD_MACH_O_MH_SPLIT_SEGS = 0x0000020, 96a45ae5f8SJohn Marino BFD_MACH_O_MH_LAZY_INIT = 0x0000040, 97a45ae5f8SJohn Marino BFD_MACH_O_MH_TWOLEVEL = 0x0000080, 98a45ae5f8SJohn Marino BFD_MACH_O_MH_FORCE_FLAT = 0x0000100, 99a45ae5f8SJohn Marino BFD_MACH_O_MH_NOMULTIDEFS = 0x0000200, 100a45ae5f8SJohn Marino BFD_MACH_O_MH_NOFIXPREBINDING = 0x0000400, 101a45ae5f8SJohn Marino BFD_MACH_O_MH_PREBINDABLE = 0x0000800, 102a45ae5f8SJohn Marino BFD_MACH_O_MH_ALLMODSBOUND = 0x0001000, 103a45ae5f8SJohn Marino BFD_MACH_O_MH_SUBSECTIONS_VIA_SYMBOLS = 0x0002000, 104a45ae5f8SJohn Marino BFD_MACH_O_MH_CANONICAL = 0x0004000, 105a45ae5f8SJohn Marino BFD_MACH_O_MH_WEAK_DEFINES = 0x0008000, 106a45ae5f8SJohn Marino BFD_MACH_O_MH_BINDS_TO_WEAK = 0x0010000, 107a45ae5f8SJohn Marino BFD_MACH_O_MH_ALLOW_STACK_EXECUTION = 0x0020000, 108a45ae5f8SJohn Marino BFD_MACH_O_MH_ROOT_SAFE = 0x0040000, 109a45ae5f8SJohn Marino BFD_MACH_O_MH_SETUID_SAFE = 0x0080000, 110a45ae5f8SJohn Marino BFD_MACH_O_MH_NO_REEXPORTED_DYLIBS = 0x0100000, 111a45ae5f8SJohn Marino BFD_MACH_O_MH_PIE = 0x0200000, 112a45ae5f8SJohn Marino BFD_MACH_O_MH_DEAD_STRIPPABLE_DYLIB = 0x0400000, 113a45ae5f8SJohn Marino BFD_MACH_O_MH_HAS_TLV_DESCRIPTORS = 0x0800000, 114a45ae5f8SJohn Marino BFD_MACH_O_MH_NO_HEAP_EXECUTION = 0x1000000 115a45ae5f8SJohn Marino } 116a45ae5f8SJohn Marino bfd_mach_o_header_flags; 117a45ae5f8SJohn Marino 118a45ae5f8SJohn Marino /* Load command constants. */ 119a45ae5f8SJohn Marino #define BFD_MACH_O_LC_REQ_DYLD 0x80000000 120a45ae5f8SJohn Marino 121a45ae5f8SJohn Marino typedef enum bfd_mach_o_load_command_type 122a45ae5f8SJohn Marino { 123a45ae5f8SJohn Marino BFD_MACH_O_LC_SEGMENT = 0x1, /* File segment to be mapped. */ 124a45ae5f8SJohn Marino BFD_MACH_O_LC_SYMTAB = 0x2, /* Link-edit stab symbol table info (obsolete). */ 125a45ae5f8SJohn Marino BFD_MACH_O_LC_SYMSEG = 0x3, /* Link-edit gdb symbol table info. */ 126a45ae5f8SJohn Marino BFD_MACH_O_LC_THREAD = 0x4, /* Thread. */ 127a45ae5f8SJohn Marino BFD_MACH_O_LC_UNIXTHREAD = 0x5, /* UNIX thread (includes a stack). */ 128a45ae5f8SJohn Marino BFD_MACH_O_LC_LOADFVMLIB = 0x6, /* Load a fixed VM shared library. */ 129a45ae5f8SJohn Marino BFD_MACH_O_LC_IDFVMLIB = 0x7, /* Fixed VM shared library id. */ 130a45ae5f8SJohn Marino BFD_MACH_O_LC_IDENT = 0x8, /* Object identification information (obsolete). */ 131a45ae5f8SJohn Marino BFD_MACH_O_LC_FVMFILE = 0x9, /* Fixed VM file inclusion. */ 132a45ae5f8SJohn Marino BFD_MACH_O_LC_PREPAGE = 0xa, /* Prepage command (internal use). */ 133a45ae5f8SJohn Marino BFD_MACH_O_LC_DYSYMTAB = 0xb, /* Dynamic link-edit symbol table info. */ 134a45ae5f8SJohn Marino BFD_MACH_O_LC_LOAD_DYLIB = 0xc, /* Load a dynamically linked shared library. */ 135a45ae5f8SJohn Marino BFD_MACH_O_LC_ID_DYLIB = 0xd, /* Dynamically linked shared lib identification. */ 136a45ae5f8SJohn Marino BFD_MACH_O_LC_LOAD_DYLINKER = 0xe, /* Load a dynamic linker. */ 137a45ae5f8SJohn Marino BFD_MACH_O_LC_ID_DYLINKER = 0xf, /* Dynamic linker identification. */ 138a45ae5f8SJohn Marino BFD_MACH_O_LC_PREBOUND_DYLIB = 0x10, /* Modules prebound for a dynamically. */ 139a45ae5f8SJohn Marino BFD_MACH_O_LC_ROUTINES = 0x11, /* Image routines. */ 140a45ae5f8SJohn Marino BFD_MACH_O_LC_SUB_FRAMEWORK = 0x12, /* Sub framework. */ 141a45ae5f8SJohn Marino BFD_MACH_O_LC_SUB_UMBRELLA = 0x13, /* Sub umbrella. */ 142a45ae5f8SJohn Marino BFD_MACH_O_LC_SUB_CLIENT = 0x14, /* Sub client. */ 143a45ae5f8SJohn Marino BFD_MACH_O_LC_SUB_LIBRARY = 0x15, /* Sub library. */ 144a45ae5f8SJohn Marino BFD_MACH_O_LC_TWOLEVEL_HINTS = 0x16, /* Two-level namespace lookup hints. */ 145a45ae5f8SJohn Marino BFD_MACH_O_LC_PREBIND_CKSUM = 0x17, /* Prebind checksum. */ 146a45ae5f8SJohn Marino /* Load a dynamically linked shared library that is allowed to be 147a45ae5f8SJohn Marino missing (weak). */ 148a45ae5f8SJohn Marino BFD_MACH_O_LC_LOAD_WEAK_DYLIB = 0x18, 149a45ae5f8SJohn Marino BFD_MACH_O_LC_SEGMENT_64 = 0x19, /* 64-bit segment of this file to be 150a45ae5f8SJohn Marino mapped. */ 151a45ae5f8SJohn Marino BFD_MACH_O_LC_ROUTINES_64 = 0x1a, /* Address of the dyld init routine 152a45ae5f8SJohn Marino in a dylib. */ 153a45ae5f8SJohn Marino BFD_MACH_O_LC_UUID = 0x1b, /* 128-bit UUID of the executable. */ 154a45ae5f8SJohn Marino BFD_MACH_O_LC_RPATH = 0x1c, /* Run path addiions. */ 155a45ae5f8SJohn Marino BFD_MACH_O_LC_CODE_SIGNATURE = 0x1d, /* Local of code signature. */ 156a45ae5f8SJohn Marino BFD_MACH_O_LC_SEGMENT_SPLIT_INFO = 0x1e, /* Local of info to split seg. */ 157a45ae5f8SJohn Marino BFD_MACH_O_LC_REEXPORT_DYLIB = 0x1f, /* Load and re-export lib. */ 158a45ae5f8SJohn Marino BFD_MACH_O_LC_LAZY_LOAD_DYLIB = 0x20, /* Delay load of lib until use. */ 159a45ae5f8SJohn Marino BFD_MACH_O_LC_ENCRYPTION_INFO = 0x21, /* Encrypted segment info. */ 160a45ae5f8SJohn Marino BFD_MACH_O_LC_DYLD_INFO = 0x22, /* Compressed dyld information. */ 161a45ae5f8SJohn Marino BFD_MACH_O_LC_LOAD_UPWARD_DYLIB = 0x23, /* Load upward dylib. */ 162a45ae5f8SJohn Marino BFD_MACH_O_LC_VERSION_MIN_MACOSX = 0x24, /* Minimal MacOSX version. */ 163a45ae5f8SJohn Marino BFD_MACH_O_LC_VERSION_MIN_IPHONEOS = 0x25, /* Minimal IOS version. */ 164a45ae5f8SJohn Marino BFD_MACH_O_LC_FUNCTION_STARTS = 0x26, /* Compressed table of func start. */ 165*ef5ccd6cSJohn Marino BFD_MACH_O_LC_DYLD_ENVIRONMENT = 0x27, /* Env variable string for dyld. */ 166*ef5ccd6cSJohn Marino BFD_MACH_O_LC_MAIN = 0x28, /* Entry point. */ 167*ef5ccd6cSJohn Marino BFD_MACH_O_LC_DATA_IN_CODE = 0x29, /* Table of non-instructions. */ 168*ef5ccd6cSJohn Marino BFD_MACH_O_LC_SOURCE_VERSION = 0x2a, /* Source version. */ 169*ef5ccd6cSJohn Marino BFD_MACH_O_LC_DYLIB_CODE_SIGN_DRS = 0x2b /* DRs from dylibs. */ 170a45ae5f8SJohn Marino } 171a45ae5f8SJohn Marino bfd_mach_o_load_command_type; 172a45ae5f8SJohn Marino 173a45ae5f8SJohn Marino /* Section constants. */ 174a45ae5f8SJohn Marino /* Constants for the type of a section. */ 175a45ae5f8SJohn Marino 176a45ae5f8SJohn Marino typedef enum bfd_mach_o_section_type 177a45ae5f8SJohn Marino { 178a45ae5f8SJohn Marino /* Regular section. */ 179a45ae5f8SJohn Marino BFD_MACH_O_S_REGULAR = 0x0, 180a45ae5f8SJohn Marino 181a45ae5f8SJohn Marino /* Zero fill on demand section. */ 182a45ae5f8SJohn Marino BFD_MACH_O_S_ZEROFILL = 0x1, 183a45ae5f8SJohn Marino 184a45ae5f8SJohn Marino /* Section with only literal C strings. */ 185a45ae5f8SJohn Marino BFD_MACH_O_S_CSTRING_LITERALS = 0x2, 186a45ae5f8SJohn Marino 187a45ae5f8SJohn Marino /* Section with only 4 byte literals. */ 188a45ae5f8SJohn Marino BFD_MACH_O_S_4BYTE_LITERALS = 0x3, 189a45ae5f8SJohn Marino 190a45ae5f8SJohn Marino /* Section with only 8 byte literals. */ 191a45ae5f8SJohn Marino BFD_MACH_O_S_8BYTE_LITERALS = 0x4, 192a45ae5f8SJohn Marino 193a45ae5f8SJohn Marino /* Section with only pointers to literals. */ 194a45ae5f8SJohn Marino BFD_MACH_O_S_LITERAL_POINTERS = 0x5, 195a45ae5f8SJohn Marino 196a45ae5f8SJohn Marino /* For the two types of symbol pointers sections and the symbol stubs 197a45ae5f8SJohn Marino section they have indirect symbol table entries. For each of the 198a45ae5f8SJohn Marino entries in the section the indirect symbol table entries, in 199a45ae5f8SJohn Marino corresponding order in the indirect symbol table, start at the index 200a45ae5f8SJohn Marino stored in the reserved1 field of the section structure. Since the 201a45ae5f8SJohn Marino indirect symbol table entries correspond to the entries in the 202a45ae5f8SJohn Marino section the number of indirect symbol table entries is inferred from 203a45ae5f8SJohn Marino the size of the section divided by the size of the entries in the 204a45ae5f8SJohn Marino section. For symbol pointers sections the size of the entries in 205a45ae5f8SJohn Marino the section is 4 bytes and for symbol stubs sections the byte size 206a45ae5f8SJohn Marino of the stubs is stored in the reserved2 field of the section 207a45ae5f8SJohn Marino structure. */ 208a45ae5f8SJohn Marino 209a45ae5f8SJohn Marino /* Section with only non-lazy symbol pointers. */ 210a45ae5f8SJohn Marino BFD_MACH_O_S_NON_LAZY_SYMBOL_POINTERS = 0x6, 211a45ae5f8SJohn Marino 212a45ae5f8SJohn Marino /* Section with only lazy symbol pointers. */ 213a45ae5f8SJohn Marino BFD_MACH_O_S_LAZY_SYMBOL_POINTERS = 0x7, 214a45ae5f8SJohn Marino 215a45ae5f8SJohn Marino /* Section with only symbol stubs, byte size of stub in the reserved2 216a45ae5f8SJohn Marino field. */ 217a45ae5f8SJohn Marino BFD_MACH_O_S_SYMBOL_STUBS = 0x8, 218a45ae5f8SJohn Marino 219a45ae5f8SJohn Marino /* Section with only function pointers for initialization. */ 220a45ae5f8SJohn Marino BFD_MACH_O_S_MOD_INIT_FUNC_POINTERS = 0x9, 221a45ae5f8SJohn Marino 222a45ae5f8SJohn Marino /* Section with only function pointers for termination. */ 223a45ae5f8SJohn Marino BFD_MACH_O_S_MOD_FINI_FUNC_POINTERS = 0xa, 224a45ae5f8SJohn Marino 225a45ae5f8SJohn Marino /* Section contains symbols that are coalesced by the linkers. */ 226a45ae5f8SJohn Marino BFD_MACH_O_S_COALESCED = 0xb, 227a45ae5f8SJohn Marino 228a45ae5f8SJohn Marino /* Zero fill on demand section (possibly larger than 4 GB). */ 229a45ae5f8SJohn Marino BFD_MACH_O_S_GB_ZEROFILL = 0xc, 230a45ae5f8SJohn Marino 231a45ae5f8SJohn Marino /* Section with only pairs of function pointers for interposing. */ 232a45ae5f8SJohn Marino BFD_MACH_O_S_INTERPOSING = 0xd, 233a45ae5f8SJohn Marino 234a45ae5f8SJohn Marino /* Section with only 16 byte literals. */ 235a45ae5f8SJohn Marino BFD_MACH_O_S_16BYTE_LITERALS = 0xe, 236a45ae5f8SJohn Marino 237a45ae5f8SJohn Marino /* Section contains DTrace Object Format. */ 238a45ae5f8SJohn Marino BFD_MACH_O_S_DTRACE_DOF = 0xf, 239a45ae5f8SJohn Marino 240a45ae5f8SJohn Marino /* Section with only lazy symbol pointers to lazy loaded dylibs. */ 241a45ae5f8SJohn Marino BFD_MACH_O_S_LAZY_DYLIB_SYMBOL_POINTERS = 0x10 242a45ae5f8SJohn Marino } 243a45ae5f8SJohn Marino bfd_mach_o_section_type; 244a45ae5f8SJohn Marino 245a45ae5f8SJohn Marino /* The flags field of a section structure is separated into two parts a section 246a45ae5f8SJohn Marino type and section attributes. The section types are mutually exclusive (it 247a45ae5f8SJohn Marino can only have one type) but the section attributes are not (it may have more 248a45ae5f8SJohn Marino than one attribute). */ 249a45ae5f8SJohn Marino 250a45ae5f8SJohn Marino #define BFD_MACH_O_SECTION_TYPE_MASK 0x000000ff 251a45ae5f8SJohn Marino 252a45ae5f8SJohn Marino /* Constants for the section attributes part of the flags field of a section 253a45ae5f8SJohn Marino structure. */ 254a45ae5f8SJohn Marino #define BFD_MACH_O_SECTION_ATTRIBUTES_MASK 0xffffff00 255a45ae5f8SJohn Marino /* System setable attributes. */ 256a45ae5f8SJohn Marino #define BFD_MACH_O_SECTION_ATTRIBUTES_SYS 0x00ffff00 257a45ae5f8SJohn Marino /* User attributes. */ 258a45ae5f8SJohn Marino #define BFD_MACH_O_SECTION_ATTRIBUTES_USR 0xff000000 259a45ae5f8SJohn Marino 260a45ae5f8SJohn Marino typedef enum bfd_mach_o_section_attribute 261a45ae5f8SJohn Marino { 262*ef5ccd6cSJohn Marino /* Section has no specified attibutes. */ 263*ef5ccd6cSJohn Marino BFD_MACH_O_S_ATTR_NONE = 0, 264*ef5ccd6cSJohn Marino 265a45ae5f8SJohn Marino /* Section has local relocation entries. */ 266a45ae5f8SJohn Marino BFD_MACH_O_S_ATTR_LOC_RELOC = 0x00000100, 267a45ae5f8SJohn Marino 268a45ae5f8SJohn Marino /* Section has external relocation entries. */ 269a45ae5f8SJohn Marino BFD_MACH_O_S_ATTR_EXT_RELOC = 0x00000200, 270a45ae5f8SJohn Marino 271a45ae5f8SJohn Marino /* Section contains some machine instructions. */ 272a45ae5f8SJohn Marino BFD_MACH_O_S_ATTR_SOME_INSTRUCTIONS = 0x00000400, 273a45ae5f8SJohn Marino 274a45ae5f8SJohn Marino /* A debug section. */ 275a45ae5f8SJohn Marino BFD_MACH_O_S_ATTR_DEBUG = 0x02000000, 276a45ae5f8SJohn Marino 277a45ae5f8SJohn Marino /* Used with i386 stubs. */ 278a45ae5f8SJohn Marino BFD_MACH_O_S_SELF_MODIFYING_CODE = 0x04000000, 279a45ae5f8SJohn Marino 280a45ae5f8SJohn Marino /* Blocks are live if they reference live blocks. */ 281a45ae5f8SJohn Marino BFD_MACH_O_S_ATTR_LIVE_SUPPORT = 0x08000000, 282a45ae5f8SJohn Marino 283a45ae5f8SJohn Marino /* No dead stripping. */ 284a45ae5f8SJohn Marino BFD_MACH_O_S_ATTR_NO_DEAD_STRIP = 0x10000000, 285a45ae5f8SJohn Marino 286a45ae5f8SJohn Marino /* Section symbols can be stripped in files with MH_DYLDLINK flag. */ 287a45ae5f8SJohn Marino BFD_MACH_O_S_ATTR_STRIP_STATIC_SYMS = 0x20000000, 288a45ae5f8SJohn Marino 289a45ae5f8SJohn Marino /* Section contains coalesced symbols that are not to be in the TOC of an 290a45ae5f8SJohn Marino archive. */ 291a45ae5f8SJohn Marino BFD_MACH_O_S_ATTR_NO_TOC = 0x40000000, 292a45ae5f8SJohn Marino 293a45ae5f8SJohn Marino /* Section contains only true machine instructions. */ 294a45ae5f8SJohn Marino BFD_MACH_O_S_ATTR_PURE_INSTRUCTIONS = 0x80000000 295a45ae5f8SJohn Marino } 296a45ae5f8SJohn Marino bfd_mach_o_section_attribute; 297a45ae5f8SJohn Marino 298a45ae5f8SJohn Marino /* Symbol constants. */ 299a45ae5f8SJohn Marino 300a45ae5f8SJohn Marino /* Symbol n_type values. */ 301a45ae5f8SJohn Marino #define BFD_MACH_O_N_STAB 0xe0 /* If any of these bits set, a symbolic debugging entry. */ 302a45ae5f8SJohn Marino #define BFD_MACH_O_N_PEXT 0x10 /* Private external symbol bit. */ 303a45ae5f8SJohn Marino #define BFD_MACH_O_N_TYPE 0x0e /* Mask for the type bits. */ 304a45ae5f8SJohn Marino #define BFD_MACH_O_N_EXT 0x01 /* External symbol bit, set for external symbols. */ 305a45ae5f8SJohn Marino #define BFD_MACH_O_N_UNDF 0x00 /* Undefined, n_sect == NO_SECT. */ 306a45ae5f8SJohn Marino #define BFD_MACH_O_N_ABS 0x02 /* Absolute, n_sect == NO_SECT. */ 307a45ae5f8SJohn Marino #define BFD_MACH_O_N_INDR 0x0a /* Indirect. */ 308a45ae5f8SJohn Marino #define BFD_MACH_O_N_PBUD 0x0c /* Prebound undefined (defined in a dylib). */ 309a45ae5f8SJohn Marino #define BFD_MACH_O_N_SECT 0x0e /* Defined in section number n_sect. */ 310a45ae5f8SJohn Marino 311a45ae5f8SJohn Marino #define BFD_MACH_O_NO_SECT 0 /* Symbol not in any section of the image. */ 312a45ae5f8SJohn Marino 313a45ae5f8SJohn Marino /* Symbol n_desc reference flags. */ 314*ef5ccd6cSJohn Marino #define BFD_MACH_O_REFERENCE_MASK 0x07 315a45ae5f8SJohn Marino #define BFD_MACH_O_REFERENCE_FLAG_UNDEFINED_NON_LAZY 0x00 316a45ae5f8SJohn Marino #define BFD_MACH_O_REFERENCE_FLAG_UNDEFINED_LAZY 0x01 317a45ae5f8SJohn Marino #define BFD_MACH_O_REFERENCE_FLAG_DEFINED 0x02 318a45ae5f8SJohn Marino #define BFD_MACH_O_REFERENCE_FLAG_PRIVATE_DEFINED 0x03 319a45ae5f8SJohn Marino #define BFD_MACH_O_REFERENCE_FLAG_PRIVATE_UNDEFINED_NON_LAZY 0x04 320a45ae5f8SJohn Marino #define BFD_MACH_O_REFERENCE_FLAG_PRIVATE_UNDEFINED_LAZY 0x05 321a45ae5f8SJohn Marino 322a45ae5f8SJohn Marino #define BFD_MACH_O_REFERENCED_DYNAMICALLY 0x10 323a45ae5f8SJohn Marino #define BFD_MACH_O_N_DESC_DISCARDED 0x20 324a45ae5f8SJohn Marino #define BFD_MACH_O_N_NO_DEAD_STRIP 0x20 325a45ae5f8SJohn Marino #define BFD_MACH_O_N_WEAK_REF 0x40 326a45ae5f8SJohn Marino #define BFD_MACH_O_N_WEAK_DEF 0x80 327*ef5ccd6cSJohn Marino #define BFD_MACH_O_N_REF_TO_WEAK 0x80 328*ef5ccd6cSJohn Marino 329*ef5ccd6cSJohn Marino #define BFD_MACH_O_N_ARM_THUMB_DEF 0x08 330*ef5ccd6cSJohn Marino #define BFD_MACH_O_N_SYMBOL_RESOLVER 0x100 331*ef5ccd6cSJohn Marino 332*ef5ccd6cSJohn Marino #define BFD_MACH_O_INDIRECT_SYM_LOCAL 0x80000000 333*ef5ccd6cSJohn Marino #define BFD_MACH_O_INDIRECT_SYM_ABS 0x40000000 334a45ae5f8SJohn Marino 335*ef5ccd6cSJohn Marino /* Constants for DATA_IN_CODE entries. */ 336*ef5ccd6cSJohn Marino typedef enum bfd_mach_o_data_in_code_entry_kind 337*ef5ccd6cSJohn Marino { 338*ef5ccd6cSJohn Marino BFD_MACH_O_DICE_KIND_DATA = 0x0001, /* Data */ 339*ef5ccd6cSJohn Marino BFD_MACH_O_DICE_JUMP_TABLES8 = 0x0002, /* 1 byte jump tables. */ 340*ef5ccd6cSJohn Marino BFD_MACH_O_DICE_JUMP_TABLES16 = 0x0003, /* 2 bytes. */ 341*ef5ccd6cSJohn Marino BFD_MACH_O_DICE_JUMP_TABLES32 = 0x0004, /* 4 bytes. */ 342*ef5ccd6cSJohn Marino BFD_MACH_O_DICE_ABS_JUMP_TABLES32 = 0x0005 /* Absolute jump table. */ 343*ef5ccd6cSJohn Marino } bfd_mach_o_data_in_code_entry_kind; 344*ef5ccd6cSJohn Marino 345a45ae5f8SJohn Marino /* Thread constants. */ 346a45ae5f8SJohn Marino 347a45ae5f8SJohn Marino typedef enum bfd_mach_o_ppc_thread_flavour 348a45ae5f8SJohn Marino { 349a45ae5f8SJohn Marino BFD_MACH_O_PPC_THREAD_STATE = 1, 350a45ae5f8SJohn Marino BFD_MACH_O_PPC_FLOAT_STATE = 2, 351a45ae5f8SJohn Marino BFD_MACH_O_PPC_EXCEPTION_STATE = 3, 352a45ae5f8SJohn Marino BFD_MACH_O_PPC_VECTOR_STATE = 4, 353a45ae5f8SJohn Marino BFD_MACH_O_PPC_THREAD_STATE64 = 5, 354a45ae5f8SJohn Marino BFD_MACH_O_PPC_EXCEPTION_STATE64 = 6, 355a45ae5f8SJohn Marino BFD_MACH_O_PPC_THREAD_STATE_NONE = 7 356a45ae5f8SJohn Marino } 357a45ae5f8SJohn Marino bfd_mach_o_ppc_thread_flavour; 358a45ae5f8SJohn Marino 359a45ae5f8SJohn Marino /* Defined in <mach/i386/thread_status.h> */ 360a45ae5f8SJohn Marino typedef enum bfd_mach_o_i386_thread_flavour 361a45ae5f8SJohn Marino { 362a45ae5f8SJohn Marino BFD_MACH_O_x86_THREAD_STATE32 = 1, 363a45ae5f8SJohn Marino BFD_MACH_O_x86_FLOAT_STATE32 = 2, 364a45ae5f8SJohn Marino BFD_MACH_O_x86_EXCEPTION_STATE32 = 3, 365a45ae5f8SJohn Marino BFD_MACH_O_x86_THREAD_STATE64 = 4, 366a45ae5f8SJohn Marino BFD_MACH_O_x86_FLOAT_STATE64 = 5, 367a45ae5f8SJohn Marino BFD_MACH_O_x86_EXCEPTION_STATE64 = 6, 368a45ae5f8SJohn Marino BFD_MACH_O_x86_THREAD_STATE = 7, 369a45ae5f8SJohn Marino BFD_MACH_O_x86_FLOAT_STATE = 8, 370a45ae5f8SJohn Marino BFD_MACH_O_x86_EXCEPTION_STATE = 9, 371a45ae5f8SJohn Marino BFD_MACH_O_x86_DEBUG_STATE32 = 10, 372a45ae5f8SJohn Marino BFD_MACH_O_x86_DEBUG_STATE64 = 11, 373a45ae5f8SJohn Marino BFD_MACH_O_x86_DEBUG_STATE = 12, 374a45ae5f8SJohn Marino BFD_MACH_O_x86_THREAD_STATE_NONE = 13 375a45ae5f8SJohn Marino } 376a45ae5f8SJohn Marino bfd_mach_o_i386_thread_flavour; 377a45ae5f8SJohn Marino 378a45ae5f8SJohn Marino #endif /* _MACH_O_LOADER_H */ 379