1 /* Mach-O support for BFD. 2 Copyright (C) 2011-2016 Free Software Foundation, Inc. 3 4 This file is part of BFD, the Binary File Descriptor library. 5 6 This program is free software; you can redistribute it and/or modify 7 it under the terms of the GNU General Public License as published by 8 the Free Software Foundation; either version 3 of the License, or 9 (at your option) any later version. 10 11 This program is distributed in the hope that it will be useful, 12 but WITHOUT ANY WARRANTY; without even the implied warranty of 13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 GNU General Public License for more details. 15 16 You should have received a copy of the GNU General Public License 17 along with this program; if not, write to the Free Software 18 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, 19 MA 02110-1301, USA. */ 20 21 #ifndef _MACH_O_LOADER_H 22 #define _MACH_O_LOADER_H 23 24 /* Constants for header. */ 25 26 typedef enum bfd_mach_o_mach_header_magic 27 { 28 BFD_MACH_O_MH_MAGIC = 0xfeedface, 29 BFD_MACH_O_MH_CIGAM = 0xcefaedfe, 30 BFD_MACH_O_MH_MAGIC_64 = 0xfeedfacf, 31 BFD_MACH_O_MH_CIGAM_64 = 0xcffaedfe 32 } 33 bfd_mach_o_mach_header_magic; 34 35 /* Capability bits in cpu type. */ 36 #define BFD_MACH_O_CPU_ARCH_MASK 0xff000000 37 #define BFD_MACH_O_CPU_ARCH_ABI64 0x01000000 38 #define BFD_MACH_O_CPU_IS64BIT 0x01000000 39 40 typedef enum bfd_mach_o_cpu_type 41 { 42 BFD_MACH_O_CPU_TYPE_VAX = 1, 43 BFD_MACH_O_CPU_TYPE_MC680x0 = 6, 44 BFD_MACH_O_CPU_TYPE_I386 = 7, 45 BFD_MACH_O_CPU_TYPE_MIPS = 8, 46 BFD_MACH_O_CPU_TYPE_MC98000 = 10, 47 BFD_MACH_O_CPU_TYPE_HPPA = 11, 48 BFD_MACH_O_CPU_TYPE_ARM = 12, 49 BFD_MACH_O_CPU_TYPE_MC88000 = 13, 50 BFD_MACH_O_CPU_TYPE_SPARC = 14, 51 BFD_MACH_O_CPU_TYPE_I860 = 15, 52 BFD_MACH_O_CPU_TYPE_ALPHA = 16, 53 BFD_MACH_O_CPU_TYPE_POWERPC = 18, 54 BFD_MACH_O_CPU_TYPE_POWERPC_64 = 55 (BFD_MACH_O_CPU_TYPE_POWERPC | BFD_MACH_O_CPU_IS64BIT), 56 BFD_MACH_O_CPU_TYPE_X86_64 = 57 (BFD_MACH_O_CPU_TYPE_I386 | BFD_MACH_O_CPU_IS64BIT), 58 BFD_MACH_O_CPU_TYPE_ARM64 = 59 (BFD_MACH_O_CPU_TYPE_ARM | BFD_MACH_O_CPU_IS64BIT) 60 } 61 bfd_mach_o_cpu_type; 62 63 /* Capability bits in cpu subtype. */ 64 #define BFD_MACH_O_CPU_SUBTYPE_MASK 0xff000000 65 #define BFD_MACH_O_CPU_SUBTYPE_LIB64 0x80000000 66 67 typedef enum bfd_mach_o_cpu_subtype 68 { 69 /* i386. */ 70 BFD_MACH_O_CPU_SUBTYPE_X86_ALL = 3, 71 72 /* arm. */ 73 BFD_MACH_O_CPU_SUBTYPE_ARM_ALL = 0, 74 BFD_MACH_O_CPU_SUBTYPE_ARM_V4T = 5, 75 BFD_MACH_O_CPU_SUBTYPE_ARM_V6 = 6, 76 BFD_MACH_O_CPU_SUBTYPE_ARM_V5TEJ = 7, 77 BFD_MACH_O_CPU_SUBTYPE_ARM_XSCALE = 8, 78 BFD_MACH_O_CPU_SUBTYPE_ARM_V7 = 9, 79 80 /* arm64. */ 81 BFD_MACH_O_CPU_SUBTYPE_ARM64_ALL = 0, 82 BFD_MACH_O_CPU_SUBTYPE_ARM64_V8 = 1 83 } 84 bfd_mach_o_cpu_subtype; 85 86 typedef enum bfd_mach_o_filetype 87 { 88 BFD_MACH_O_MH_OBJECT = 0x01, 89 BFD_MACH_O_MH_EXECUTE = 0x02, 90 BFD_MACH_O_MH_FVMLIB = 0x03, 91 BFD_MACH_O_MH_CORE = 0x04, 92 BFD_MACH_O_MH_PRELOAD = 0x05, 93 BFD_MACH_O_MH_DYLIB = 0x06, 94 BFD_MACH_O_MH_DYLINKER = 0x07, 95 BFD_MACH_O_MH_BUNDLE = 0x08, 96 BFD_MACH_O_MH_DYLIB_STUB = 0x09, 97 BFD_MACH_O_MH_DSYM = 0x0a, 98 BFD_MACH_O_MH_KEXT_BUNDLE = 0x0b 99 } 100 bfd_mach_o_filetype; 101 102 typedef enum bfd_mach_o_header_flags 103 { 104 BFD_MACH_O_MH_NOUNDEFS = 0x0000001, 105 BFD_MACH_O_MH_INCRLINK = 0x0000002, 106 BFD_MACH_O_MH_DYLDLINK = 0x0000004, 107 BFD_MACH_O_MH_BINDATLOAD = 0x0000008, 108 BFD_MACH_O_MH_PREBOUND = 0x0000010, 109 BFD_MACH_O_MH_SPLIT_SEGS = 0x0000020, 110 BFD_MACH_O_MH_LAZY_INIT = 0x0000040, 111 BFD_MACH_O_MH_TWOLEVEL = 0x0000080, 112 BFD_MACH_O_MH_FORCE_FLAT = 0x0000100, 113 BFD_MACH_O_MH_NOMULTIDEFS = 0x0000200, 114 BFD_MACH_O_MH_NOFIXPREBINDING = 0x0000400, 115 BFD_MACH_O_MH_PREBINDABLE = 0x0000800, 116 BFD_MACH_O_MH_ALLMODSBOUND = 0x0001000, 117 BFD_MACH_O_MH_SUBSECTIONS_VIA_SYMBOLS = 0x0002000, 118 BFD_MACH_O_MH_CANONICAL = 0x0004000, 119 BFD_MACH_O_MH_WEAK_DEFINES = 0x0008000, 120 BFD_MACH_O_MH_BINDS_TO_WEAK = 0x0010000, 121 BFD_MACH_O_MH_ALLOW_STACK_EXECUTION = 0x0020000, 122 BFD_MACH_O_MH_ROOT_SAFE = 0x0040000, 123 BFD_MACH_O_MH_SETUID_SAFE = 0x0080000, 124 BFD_MACH_O_MH_NO_REEXPORTED_DYLIBS = 0x0100000, 125 BFD_MACH_O_MH_PIE = 0x0200000, 126 BFD_MACH_O_MH_DEAD_STRIPPABLE_DYLIB = 0x0400000, 127 BFD_MACH_O_MH_HAS_TLV_DESCRIPTORS = 0x0800000, 128 BFD_MACH_O_MH_NO_HEAP_EXECUTION = 0x1000000, 129 BFD_MACH_O_MH_APP_EXTENSION_SAFE = 0x2000000 130 } 131 bfd_mach_o_header_flags; 132 133 /* Load command constants. */ 134 #define BFD_MACH_O_LC_REQ_DYLD 0x80000000 135 136 typedef enum bfd_mach_o_load_command_type 137 { 138 BFD_MACH_O_LC_SEGMENT = 0x1, /* File segment to be mapped. */ 139 BFD_MACH_O_LC_SYMTAB = 0x2, /* Link-edit stab symbol table info (obsolete). */ 140 BFD_MACH_O_LC_SYMSEG = 0x3, /* Link-edit gdb symbol table info. */ 141 BFD_MACH_O_LC_THREAD = 0x4, /* Thread. */ 142 BFD_MACH_O_LC_UNIXTHREAD = 0x5, /* UNIX thread (includes a stack). */ 143 BFD_MACH_O_LC_LOADFVMLIB = 0x6, /* Load a fixed VM shared library. */ 144 BFD_MACH_O_LC_IDFVMLIB = 0x7, /* Fixed VM shared library id. */ 145 BFD_MACH_O_LC_IDENT = 0x8, /* Object identification information (obsolete). */ 146 BFD_MACH_O_LC_FVMFILE = 0x9, /* Fixed VM file inclusion. */ 147 BFD_MACH_O_LC_PREPAGE = 0xa, /* Prepage command (internal use). */ 148 BFD_MACH_O_LC_DYSYMTAB = 0xb, /* Dynamic link-edit symbol table info. */ 149 BFD_MACH_O_LC_LOAD_DYLIB = 0xc, /* Load a dynamically linked shared library. */ 150 BFD_MACH_O_LC_ID_DYLIB = 0xd, /* Dynamically linked shared lib identification. */ 151 BFD_MACH_O_LC_LOAD_DYLINKER = 0xe, /* Load a dynamic linker. */ 152 BFD_MACH_O_LC_ID_DYLINKER = 0xf, /* Dynamic linker identification. */ 153 BFD_MACH_O_LC_PREBOUND_DYLIB = 0x10, /* Modules prebound for a dynamically. */ 154 BFD_MACH_O_LC_ROUTINES = 0x11, /* Image routines. */ 155 BFD_MACH_O_LC_SUB_FRAMEWORK = 0x12, /* Sub framework. */ 156 BFD_MACH_O_LC_SUB_UMBRELLA = 0x13, /* Sub umbrella. */ 157 BFD_MACH_O_LC_SUB_CLIENT = 0x14, /* Sub client. */ 158 BFD_MACH_O_LC_SUB_LIBRARY = 0x15, /* Sub library. */ 159 BFD_MACH_O_LC_TWOLEVEL_HINTS = 0x16, /* Two-level namespace lookup hints. */ 160 BFD_MACH_O_LC_PREBIND_CKSUM = 0x17, /* Prebind checksum. */ 161 /* Load a dynamically linked shared library that is allowed to be 162 missing (weak). */ 163 BFD_MACH_O_LC_LOAD_WEAK_DYLIB = 0x18, 164 BFD_MACH_O_LC_SEGMENT_64 = 0x19, /* 64-bit segment of this file to be 165 mapped. */ 166 BFD_MACH_O_LC_ROUTINES_64 = 0x1a, /* Address of the dyld init routine 167 in a dylib. */ 168 BFD_MACH_O_LC_UUID = 0x1b, /* 128-bit UUID of the executable. */ 169 BFD_MACH_O_LC_RPATH = 0x1c, /* Run path addiions. */ 170 BFD_MACH_O_LC_CODE_SIGNATURE = 0x1d, /* Local of code signature. */ 171 BFD_MACH_O_LC_SEGMENT_SPLIT_INFO = 0x1e, /* Local of info to split seg. */ 172 BFD_MACH_O_LC_REEXPORT_DYLIB = 0x1f, /* Load and re-export lib. */ 173 BFD_MACH_O_LC_LAZY_LOAD_DYLIB = 0x20, /* Delay load of lib until use. */ 174 BFD_MACH_O_LC_ENCRYPTION_INFO = 0x21, /* Encrypted segment info. */ 175 BFD_MACH_O_LC_DYLD_INFO = 0x22, /* Compressed dyld information. */ 176 BFD_MACH_O_LC_LOAD_UPWARD_DYLIB = 0x23, /* Load upward dylib. */ 177 BFD_MACH_O_LC_VERSION_MIN_MACOSX = 0x24, /* Minimal MacOSX version. */ 178 BFD_MACH_O_LC_VERSION_MIN_IPHONEOS = 0x25, /* Minimal IOS version. */ 179 BFD_MACH_O_LC_FUNCTION_STARTS = 0x26, /* Compressed table of func start. */ 180 BFD_MACH_O_LC_DYLD_ENVIRONMENT = 0x27, /* Env variable string for dyld. */ 181 BFD_MACH_O_LC_MAIN = 0x28, /* Entry point. */ 182 BFD_MACH_O_LC_DATA_IN_CODE = 0x29, /* Table of non-instructions. */ 183 BFD_MACH_O_LC_SOURCE_VERSION = 0x2a, /* Source version. */ 184 BFD_MACH_O_LC_DYLIB_CODE_SIGN_DRS = 0x2b, /* DRs from dylibs. */ 185 BFD_MACH_O_LC_ENCRYPTION_INFO_64 = 0x2c, /* Encrypted 64 bit seg info. */ 186 BFD_MACH_O_LC_LINKER_OPTIONS = 0x2d, /* Linker options. */ 187 BFD_MACH_O_LC_LINKER_OPTIMIZATION_HINT = 0x2e, /* Optimization hints. */ 188 BFD_MACH_O_LC_VERSION_MIN_WATCHOS = 0x30 /* Minimal WatchOS version. */ 189 } 190 bfd_mach_o_load_command_type; 191 192 /* Section constants. */ 193 /* Constants for the type of a section. */ 194 195 typedef enum bfd_mach_o_section_type 196 { 197 /* Regular section. */ 198 BFD_MACH_O_S_REGULAR = 0x0, 199 200 /* Zero fill on demand section. */ 201 BFD_MACH_O_S_ZEROFILL = 0x1, 202 203 /* Section with only literal C strings. */ 204 BFD_MACH_O_S_CSTRING_LITERALS = 0x2, 205 206 /* Section with only 4 byte literals. */ 207 BFD_MACH_O_S_4BYTE_LITERALS = 0x3, 208 209 /* Section with only 8 byte literals. */ 210 BFD_MACH_O_S_8BYTE_LITERALS = 0x4, 211 212 /* Section with only pointers to literals. */ 213 BFD_MACH_O_S_LITERAL_POINTERS = 0x5, 214 215 /* For the two types of symbol pointers sections and the symbol stubs 216 section they have indirect symbol table entries. For each of the 217 entries in the section the indirect symbol table entries, in 218 corresponding order in the indirect symbol table, start at the index 219 stored in the reserved1 field of the section structure. Since the 220 indirect symbol table entries correspond to the entries in the 221 section the number of indirect symbol table entries is inferred from 222 the size of the section divided by the size of the entries in the 223 section. For symbol pointers sections the size of the entries in 224 the section is 4 bytes and for symbol stubs sections the byte size 225 of the stubs is stored in the reserved2 field of the section 226 structure. */ 227 228 /* Section with only non-lazy symbol pointers. */ 229 BFD_MACH_O_S_NON_LAZY_SYMBOL_POINTERS = 0x6, 230 231 /* Section with only lazy symbol pointers. */ 232 BFD_MACH_O_S_LAZY_SYMBOL_POINTERS = 0x7, 233 234 /* Section with only symbol stubs, byte size of stub in the reserved2 235 field. */ 236 BFD_MACH_O_S_SYMBOL_STUBS = 0x8, 237 238 /* Section with only function pointers for initialization. */ 239 BFD_MACH_O_S_MOD_INIT_FUNC_POINTERS = 0x9, 240 241 /* Section with only function pointers for termination. */ 242 BFD_MACH_O_S_MOD_FINI_FUNC_POINTERS = 0xa, 243 244 /* Section contains symbols that are coalesced by the linkers. */ 245 BFD_MACH_O_S_COALESCED = 0xb, 246 247 /* Zero fill on demand section (possibly larger than 4 GB). */ 248 BFD_MACH_O_S_GB_ZEROFILL = 0xc, 249 250 /* Section with only pairs of function pointers for interposing. */ 251 BFD_MACH_O_S_INTERPOSING = 0xd, 252 253 /* Section with only 16 byte literals. */ 254 BFD_MACH_O_S_16BYTE_LITERALS = 0xe, 255 256 /* Section contains DTrace Object Format. */ 257 BFD_MACH_O_S_DTRACE_DOF = 0xf, 258 259 /* Section with only lazy symbol pointers to lazy loaded dylibs. */ 260 BFD_MACH_O_S_LAZY_DYLIB_SYMBOL_POINTERS = 0x10 261 } 262 bfd_mach_o_section_type; 263 264 /* The flags field of a section structure is separated into two parts a section 265 type and section attributes. The section types are mutually exclusive (it 266 can only have one type) but the section attributes are not (it may have more 267 than one attribute). */ 268 269 #define BFD_MACH_O_SECTION_TYPE_MASK 0x000000ff 270 271 /* Constants for the section attributes part of the flags field of a section 272 structure. */ 273 #define BFD_MACH_O_SECTION_ATTRIBUTES_MASK 0xffffff00 274 /* System setable attributes. */ 275 #define BFD_MACH_O_SECTION_ATTRIBUTES_SYS 0x00ffff00 276 /* User attributes. */ 277 #define BFD_MACH_O_SECTION_ATTRIBUTES_USR 0xff000000 278 279 typedef enum bfd_mach_o_section_attribute 280 { 281 /* Section has no specified attibutes. */ 282 BFD_MACH_O_S_ATTR_NONE = 0, 283 284 /* Section has local relocation entries. */ 285 BFD_MACH_O_S_ATTR_LOC_RELOC = 0x00000100, 286 287 /* Section has external relocation entries. */ 288 BFD_MACH_O_S_ATTR_EXT_RELOC = 0x00000200, 289 290 /* Section contains some machine instructions. */ 291 BFD_MACH_O_S_ATTR_SOME_INSTRUCTIONS = 0x00000400, 292 293 /* A debug section. */ 294 BFD_MACH_O_S_ATTR_DEBUG = 0x02000000, 295 296 /* Used with i386 stubs. */ 297 BFD_MACH_O_S_SELF_MODIFYING_CODE = 0x04000000, 298 299 /* Blocks are live if they reference live blocks. */ 300 BFD_MACH_O_S_ATTR_LIVE_SUPPORT = 0x08000000, 301 302 /* No dead stripping. */ 303 BFD_MACH_O_S_ATTR_NO_DEAD_STRIP = 0x10000000, 304 305 /* Section symbols can be stripped in files with MH_DYLDLINK flag. */ 306 BFD_MACH_O_S_ATTR_STRIP_STATIC_SYMS = 0x20000000, 307 308 /* Section contains coalesced symbols that are not to be in the TOC of an 309 archive. */ 310 BFD_MACH_O_S_ATTR_NO_TOC = 0x40000000, 311 312 /* Section contains only true machine instructions. */ 313 BFD_MACH_O_S_ATTR_PURE_INSTRUCTIONS = 0x80000000 314 } 315 bfd_mach_o_section_attribute; 316 317 /* Symbol constants. */ 318 319 /* Symbol n_type values. */ 320 #define BFD_MACH_O_N_STAB 0xe0 /* If any of these bits set, a symbolic debugging entry. */ 321 #define BFD_MACH_O_N_PEXT 0x10 /* Private external symbol bit. */ 322 #define BFD_MACH_O_N_TYPE 0x0e /* Mask for the type bits. */ 323 #define BFD_MACH_O_N_EXT 0x01 /* External symbol bit, set for external symbols. */ 324 #define BFD_MACH_O_N_UNDF 0x00 /* Undefined, n_sect == NO_SECT. */ 325 #define BFD_MACH_O_N_ABS 0x02 /* Absolute, n_sect == NO_SECT. */ 326 #define BFD_MACH_O_N_INDR 0x0a /* Indirect. */ 327 #define BFD_MACH_O_N_PBUD 0x0c /* Prebound undefined (defined in a dylib). */ 328 #define BFD_MACH_O_N_SECT 0x0e /* Defined in section number n_sect. */ 329 330 #define BFD_MACH_O_NO_SECT 0 /* Symbol not in any section of the image. */ 331 332 /* Symbol n_desc reference flags. */ 333 #define BFD_MACH_O_REFERENCE_MASK 0x07 334 #define BFD_MACH_O_REFERENCE_FLAG_UNDEFINED_NON_LAZY 0x00 335 #define BFD_MACH_O_REFERENCE_FLAG_UNDEFINED_LAZY 0x01 336 #define BFD_MACH_O_REFERENCE_FLAG_DEFINED 0x02 337 #define BFD_MACH_O_REFERENCE_FLAG_PRIVATE_DEFINED 0x03 338 #define BFD_MACH_O_REFERENCE_FLAG_PRIVATE_UNDEFINED_NON_LAZY 0x04 339 #define BFD_MACH_O_REFERENCE_FLAG_PRIVATE_UNDEFINED_LAZY 0x05 340 341 #define BFD_MACH_O_REFERENCED_DYNAMICALLY 0x10 342 #define BFD_MACH_O_N_DESC_DISCARDED 0x20 343 #define BFD_MACH_O_N_NO_DEAD_STRIP 0x20 344 #define BFD_MACH_O_N_WEAK_REF 0x40 345 #define BFD_MACH_O_N_WEAK_DEF 0x80 346 #define BFD_MACH_O_N_REF_TO_WEAK 0x80 347 348 #define BFD_MACH_O_N_ARM_THUMB_DEF 0x08 349 #define BFD_MACH_O_N_SYMBOL_RESOLVER 0x100 350 351 #define BFD_MACH_O_INDIRECT_SYM_LOCAL 0x80000000 352 #define BFD_MACH_O_INDIRECT_SYM_ABS 0x40000000 353 354 /* Constants for dyld info rebase. */ 355 #define BFD_MACH_O_REBASE_OPCODE_MASK 0xf0 356 #define BFD_MACH_O_REBASE_IMMEDIATE_MASK 0x0f 357 358 /* The rebase opcodes. */ 359 #define BFD_MACH_O_REBASE_OPCODE_DONE 0x00 360 #define BFD_MACH_O_REBASE_OPCODE_SET_TYPE_IMM 0x10 361 #define BFD_MACH_O_REBASE_OPCODE_SET_SEGMENT_AND_OFFSET_ULEB 0x20 362 #define BFD_MACH_O_REBASE_OPCODE_ADD_ADDR_ULEB 0x30 363 #define BFD_MACH_O_REBASE_OPCODE_ADD_ADDR_IMM_SCALED 0x40 364 #define BFD_MACH_O_REBASE_OPCODE_DO_REBASE_IMM_TIMES 0x50 365 #define BFD_MACH_O_REBASE_OPCODE_DO_REBASE_ULEB_TIMES 0x60 366 #define BFD_MACH_O_REBASE_OPCODE_DO_REBASE_ADD_ADDR_ULEB 0x70 367 #define BFD_MACH_O_REBASE_OPCODE_DO_REBASE_ULEB_TIMES_SKIPPING_ULEB 0x80 368 369 /* The rebase type. */ 370 #define BFD_MACH_O_REBASE_TYPE_POINTER 1 371 #define BFD_MACH_O_REBASE_TYPE_TEXT_ABSOLUTE32 2 372 #define BFD_MACH_O_REBASE_TYPE_TEXT_PCREL32 3 373 374 /* Constants for dyld info bind. */ 375 #define BFD_MACH_O_BIND_OPCODE_MASK 0xf0 376 #define BFD_MACH_O_BIND_IMMEDIATE_MASK 0x0f 377 378 /* The bind opcodes. */ 379 #define BFD_MACH_O_BIND_OPCODE_DONE 0x00 380 #define BFD_MACH_O_BIND_OPCODE_SET_DYLIB_ORDINAL_IMM 0x10 381 #define BFD_MACH_O_BIND_OPCODE_SET_DYLIB_ORDINAL_ULEB 0x20 382 #define BFD_MACH_O_BIND_OPCODE_SET_DYLIB_SPECIAL_IMM 0x30 383 #define BFD_MACH_O_BIND_OPCODE_SET_SYMBOL_TRAILING_FLAGS_IMM 0x40 384 #define BFD_MACH_O_BIND_OPCODE_SET_TYPE_IMM 0x50 385 #define BFD_MACH_O_BIND_OPCODE_SET_ADDEND_SLEB 0x60 386 #define BFD_MACH_O_BIND_OPCODE_SET_SEGMENT_AND_OFFSET_ULEB 0x70 387 #define BFD_MACH_O_BIND_OPCODE_ADD_ADDR_ULEB 0x80 388 #define BFD_MACH_O_BIND_OPCODE_DO_BIND 0x90 389 #define BFD_MACH_O_BIND_OPCODE_DO_BIND_ADD_ADDR_ULEB 0xa0 390 #define BFD_MACH_O_BIND_OPCODE_DO_BIND_ADD_ADDR_IMM_SCALED 0xb0 391 #define BFD_MACH_O_BIND_OPCODE_DO_BIND_ULEB_TIMES_SKIPPING_ULEB 0xc0 392 393 /* The bind types. */ 394 #define BFD_MACH_O_BIND_TYPE_POINTER 1 395 #define BFD_MACH_O_BIND_TYPE_TEXT_ABSOLUTE32 2 396 #define BFD_MACH_O_BIND_TYPE_TEXT_PCREL32 3 397 398 /* The special dylib. */ 399 #define BFD_MACH_O_BIND_SPECIAL_DYLIB_SELF 0 400 #define BFD_MACH_O_BIND_SPECIAL_DYLIB_MAIN_EXECUTABLE -1 401 #define BFD_MACH_O_BIND_SPECIAL_DYLIB_FLAT_LOOKUP -2 402 403 /* Constants for dyld info export. */ 404 #define BFD_MACH_O_EXPORT_SYMBOL_FLAGS_KIND_MASK 0x03 405 #define BFD_MACH_O_EXPORT_SYMBOL_FLAGS_KIND_REGULAR 0x00 406 #define BFD_MACH_O_EXPORT_SYMBOL_FLAGS_KIND_THREAD_LOCAL 0x01 407 #define BFD_MACH_O_EXPORT_SYMBOL_FLAGS_WEAK_DEFINITION 0x04 408 #define BFD_MACH_O_EXPORT_SYMBOL_FLAGS_REEXPORT 0x08 409 #define BFD_MACH_O_EXPORT_SYMBOL_FLAGS_STUB_AND_RESOLVER 0x10 410 411 /* Constants for DATA_IN_CODE entries. */ 412 typedef enum bfd_mach_o_data_in_code_entry_kind 413 { 414 BFD_MACH_O_DICE_KIND_DATA = 0x0001, /* Data */ 415 BFD_MACH_O_DICE_JUMP_TABLES8 = 0x0002, /* 1 byte jump tables. */ 416 BFD_MACH_O_DICE_JUMP_TABLES16 = 0x0003, /* 2 bytes. */ 417 BFD_MACH_O_DICE_JUMP_TABLES32 = 0x0004, /* 4 bytes. */ 418 BFD_MACH_O_DICE_ABS_JUMP_TABLES32 = 0x0005 /* Absolute jump table. */ 419 } bfd_mach_o_data_in_code_entry_kind; 420 421 /* Thread constants. */ 422 423 typedef enum bfd_mach_o_ppc_thread_flavour 424 { 425 BFD_MACH_O_PPC_THREAD_STATE = 1, 426 BFD_MACH_O_PPC_FLOAT_STATE = 2, 427 BFD_MACH_O_PPC_EXCEPTION_STATE = 3, 428 BFD_MACH_O_PPC_VECTOR_STATE = 4, 429 BFD_MACH_O_PPC_THREAD_STATE64 = 5, 430 BFD_MACH_O_PPC_EXCEPTION_STATE64 = 6, 431 BFD_MACH_O_PPC_THREAD_STATE_NONE = 7 432 } 433 bfd_mach_o_ppc_thread_flavour; 434 435 /* Defined in <mach/i386/thread_status.h> */ 436 typedef enum bfd_mach_o_i386_thread_flavour 437 { 438 BFD_MACH_O_x86_THREAD_STATE32 = 1, 439 BFD_MACH_O_x86_FLOAT_STATE32 = 2, 440 BFD_MACH_O_x86_EXCEPTION_STATE32 = 3, 441 BFD_MACH_O_x86_THREAD_STATE64 = 4, 442 BFD_MACH_O_x86_FLOAT_STATE64 = 5, 443 BFD_MACH_O_x86_EXCEPTION_STATE64 = 6, 444 BFD_MACH_O_x86_THREAD_STATE = 7, 445 BFD_MACH_O_x86_FLOAT_STATE = 8, 446 BFD_MACH_O_x86_EXCEPTION_STATE = 9, 447 BFD_MACH_O_x86_DEBUG_STATE32 = 10, 448 BFD_MACH_O_x86_DEBUG_STATE64 = 11, 449 BFD_MACH_O_x86_DEBUG_STATE = 12, 450 BFD_MACH_O_x86_THREAD_STATE_NONE = 13 451 } 452 bfd_mach_o_i386_thread_flavour; 453 454 #endif /* _MACH_O_LOADER_H */ 455