| 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 | \f |
| 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 | \f |
| 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 | \f |
| 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 | \f |
| 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 */ |