| 1 | /* Mach-O support for BFD. |
| 2 | Copyright 1999, 2000, 2001, 2002, 2003, 2005, 2007, 2008, 2009 |
| 3 | Free Software Foundation, Inc. |
| 4 | |
| 5 | This file is part of BFD, the Binary File Descriptor library. |
| 6 | |
| 7 | This program is free software; you can redistribute it and/or modify |
| 8 | it under the terms of the GNU General Public License as published by |
| 9 | the Free Software Foundation; either version 3 of the License, or |
| 10 | (at your option) any later version. |
| 11 | |
| 12 | This program is distributed in the hope that it will be useful, |
| 13 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | GNU General Public License for more details. |
| 16 | |
| 17 | You should have received a copy of the GNU General Public License |
| 18 | along with this program; if not, write to the Free Software |
| 19 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, |
| 20 | MA 02110-1301, USA. */ |
| 21 | |
| 22 | #ifndef _BFD_MACH_O_H_ |
| 23 | #define _BFD_MACH_O_H_ |
| 24 | |
| 25 | #include "bfd.h" |
| 26 | |
| 27 | /* Symbol n_type values. */ |
| 28 | #define BFD_MACH_O_N_STAB 0xe0 /* If any of these bits set, a symbolic debugging entry. */ |
| 29 | #define BFD_MACH_O_N_PEXT 0x10 /* Private external symbol bit. */ |
| 30 | #define BFD_MACH_O_N_TYPE 0x0e /* Mask for the type bits. */ |
| 31 | #define BFD_MACH_O_N_EXT 0x01 /* External symbol bit, set for external symbols. */ |
| 32 | #define BFD_MACH_O_N_UNDF 0x00 /* Undefined, n_sect == NO_SECT. */ |
| 33 | #define BFD_MACH_O_N_ABS 0x02 /* Absolute, n_sect == NO_SECT. */ |
| 34 | #define BFD_MACH_O_N_INDR 0x0a /* Indirect. */ |
| 35 | #define BFD_MACH_O_N_PBUD 0x0c /* Prebound undefined (defined in a dylib). */ |
| 36 | #define BFD_MACH_O_N_SECT 0x0e /* Defined in section number n_sect. */ |
| 37 | |
| 38 | #define BFD_MACH_O_NO_SECT 0 /* Symbol not in any section of the image. */ |
| 39 | |
| 40 | /* Symbol n_desc reference flags. */ |
| 41 | #define BFD_MACH_O_REFERENCE_MASK 0x0f |
| 42 | #define BFD_MACH_O_REFERENCE_FLAG_UNDEFINED_NON_LAZY 0x00 |
| 43 | #define BFD_MACH_O_REFERENCE_FLAG_UNDEFINED_LAZY 0x01 |
| 44 | #define BFD_MACH_O_REFERENCE_FLAG_DEFINED 0x02 |
| 45 | #define BFD_MACH_O_REFERENCE_FLAG_PRIVATE_DEFINED 0x03 |
| 46 | #define BFD_MACH_O_REFERENCE_FLAG_PRIVATE_UNDEFINED_NON_LAZY 0x04 |
| 47 | #define BFD_MACH_O_REFERENCE_FLAG_PRIVATE_UNDEFINED_LAZY 0x05 |
| 48 | |
| 49 | #define BFD_MACH_O_REFERENCED_DYNAMICALLY 0x10 |
| 50 | #define BFD_MACH_O_N_DESC_DISCARDED 0x20 |
| 51 | #define BFD_MACH_O_N_NO_DEAD_STRIP 0x20 |
| 52 | #define BFD_MACH_O_N_WEAK_REF 0x40 |
| 53 | #define BFD_MACH_O_N_WEAK_DEF 0x80 |
| 54 | |
| 55 | typedef enum bfd_mach_o_mach_header_magic |
| 56 | { |
| 57 | BFD_MACH_O_MH_MAGIC = 0xfeedface, |
| 58 | BFD_MACH_O_MH_CIGAM = 0xcefaedfe, |
| 59 | BFD_MACH_O_MH_MAGIC_64 = 0xfeedfacf, |
| 60 | BFD_MACH_O_MH_CIGAM_64 = 0xcffaedfe |
| 61 | } |
| 62 | bfd_mach_o_mach_header_magic; |
| 63 | |
| 64 | typedef enum bfd_mach_o_ppc_thread_flavour |
| 65 | { |
| 66 | BFD_MACH_O_PPC_THREAD_STATE = 1, |
| 67 | BFD_MACH_O_PPC_FLOAT_STATE = 2, |
| 68 | BFD_MACH_O_PPC_EXCEPTION_STATE = 3, |
| 69 | BFD_MACH_O_PPC_VECTOR_STATE = 4, |
| 70 | BFD_MACH_O_PPC_THREAD_STATE64 = 5, |
| 71 | BFD_MACH_O_PPC_EXCEPTION_STATE64 = 6, |
| 72 | BFD_MACH_O_PPC_THREAD_STATE_NONE = 7 |
| 73 | } |
| 74 | bfd_mach_o_ppc_thread_flavour; |
| 75 | |
| 76 | /* Defined in <mach/i386/thread_status.h> */ |
| 77 | typedef enum bfd_mach_o_i386_thread_flavour |
| 78 | { |
| 79 | BFD_MACH_O_x86_THREAD_STATE32 = 1, |
| 80 | BFD_MACH_O_x86_FLOAT_STATE32 = 2, |
| 81 | BFD_MACH_O_x86_EXCEPTION_STATE32 = 3, |
| 82 | BFD_MACH_O_x86_THREAD_STATE64 = 4, |
| 83 | BFD_MACH_O_x86_FLOAT_STATE64 = 5, |
| 84 | BFD_MACH_O_x86_EXCEPTION_STATE64 = 6, |
| 85 | BFD_MACH_O_x86_THREAD_STATE = 7, |
| 86 | BFD_MACH_O_x86_FLOAT_STATE = 8, |
| 87 | BFD_MACH_O_x86_EXCEPTION_STATE = 9, |
| 88 | BFD_MACH_O_x86_DEBUG_STATE32 = 10, |
| 89 | BFD_MACH_O_x86_DEBUG_STATE64 = 11, |
| 90 | BFD_MACH_O_x86_DEBUG_STATE = 12, |
| 91 | BFD_MACH_O_x86_THREAD_STATE_NONE = 13 |
| 92 | } |
| 93 | bfd_mach_o_i386_thread_flavour; |
| 94 | |
| 95 | #define BFD_MACH_O_LC_REQ_DYLD 0x80000000 |
| 96 | |
| 97 | typedef enum bfd_mach_o_load_command_type |
| 98 | { |
| 99 | BFD_MACH_O_LC_SEGMENT = 0x1, /* File segment to be mapped. */ |
| 100 | BFD_MACH_O_LC_SYMTAB = 0x2, /* Link-edit stab symbol table info (obsolete). */ |
| 101 | BFD_MACH_O_LC_SYMSEG = 0x3, /* Link-edit gdb symbol table info. */ |
| 102 | BFD_MACH_O_LC_THREAD = 0x4, /* Thread. */ |
| 103 | BFD_MACH_O_LC_UNIXTHREAD = 0x5, /* UNIX thread (includes a stack). */ |
| 104 | BFD_MACH_O_LC_LOADFVMLIB = 0x6, /* Load a fixed VM shared library. */ |
| 105 | BFD_MACH_O_LC_IDFVMLIB = 0x7, /* Fixed VM shared library id. */ |
| 106 | BFD_MACH_O_LC_IDENT = 0x8, /* Object identification information (obsolete). */ |
| 107 | BFD_MACH_O_LC_FVMFILE = 0x9, /* Fixed VM file inclusion. */ |
| 108 | BFD_MACH_O_LC_PREPAGE = 0xa, /* Prepage command (internal use). */ |
| 109 | BFD_MACH_O_LC_DYSYMTAB = 0xb, /* Dynamic link-edit symbol table info. */ |
| 110 | BFD_MACH_O_LC_LOAD_DYLIB = 0xc, /* Load a dynamically linked shared library. */ |
| 111 | BFD_MACH_O_LC_ID_DYLIB = 0xd, /* Dynamically linked shared lib identification. */ |
| 112 | BFD_MACH_O_LC_LOAD_DYLINKER = 0xe, /* Load a dynamic linker. */ |
| 113 | BFD_MACH_O_LC_ID_DYLINKER = 0xf, /* Dynamic linker identification. */ |
| 114 | BFD_MACH_O_LC_PREBOUND_DYLIB = 0x10, /* Modules prebound for a dynamically. */ |
| 115 | BFD_MACH_O_LC_ROUTINES = 0x11, /* Image routines. */ |
| 116 | BFD_MACH_O_LC_SUB_FRAMEWORK = 0x12, /* Sub framework. */ |
| 117 | BFD_MACH_O_LC_SUB_UMBRELLA = 0x13, /* Sub umbrella. */ |
| 118 | BFD_MACH_O_LC_SUB_CLIENT = 0x14, /* Sub client. */ |
| 119 | BFD_MACH_O_LC_SUB_LIBRARY = 0x15, /* Sub library. */ |
| 120 | BFD_MACH_O_LC_TWOLEVEL_HINTS = 0x16, /* Two-level namespace lookup hints. */ |
| 121 | BFD_MACH_O_LC_PREBIND_CKSUM = 0x17, /* Prebind checksum. */ |
| 122 | /* Load a dynamically linked shared library that is allowed to be |
| 123 | missing (weak). */ |
| 124 | BFD_MACH_O_LC_LOAD_WEAK_DYLIB = 0x18, |
| 125 | BFD_MACH_O_LC_SEGMENT_64 = 0x19, /* 64-bit segment of this file to be |
| 126 | mapped. */ |
| 127 | BFD_MACH_O_LC_ROUTINES_64 = 0x1a, /* Address of the dyld init routine |
| 128 | in a dylib. */ |
| 129 | BFD_MACH_O_LC_UUID = 0x1b, /* 128-bit UUID of the executable. */ |
| 130 | BFD_MACH_O_LC_RPATH = 0x1c, /* Run path addiions. */ |
| 131 | BFD_MACH_O_LC_CODE_SIGNATURE = 0x1d, /* Local of code signature. */ |
| 132 | BFD_MACH_O_LC_SEGMENT_SPLIT_INFO = 0x1e, /* Local of info to split seg. */ |
| 133 | BFD_MACH_O_LC_REEXPORT_DYLIB = 0x1f, /* Load and re-export lib. */ |
| 134 | BFD_MACH_O_LC_LAZY_LOAD_DYLIB = 0x20, /* Delay load of lib until use. */ |
| 135 | BFD_MACH_O_LC_ENCRYPTION_INFO = 0x21, /* Encrypted segment info. */ |
| 136 | BFD_MACH_O_LC_DYLD_INFO = 0x22 /* Compressed dyld information. */ |
| 137 | } |
| 138 | bfd_mach_o_load_command_type; |
| 139 | |
| 140 | #define BFD_MACH_O_CPU_IS64BIT 0x1000000 |
| 141 | |
| 142 | typedef enum bfd_mach_o_cpu_type |
| 143 | { |
| 144 | BFD_MACH_O_CPU_TYPE_VAX = 1, |
| 145 | BFD_MACH_O_CPU_TYPE_MC680x0 = 6, |
| 146 | BFD_MACH_O_CPU_TYPE_I386 = 7, |
| 147 | BFD_MACH_O_CPU_TYPE_MIPS = 8, |
| 148 | BFD_MACH_O_CPU_TYPE_MC98000 = 10, |
| 149 | BFD_MACH_O_CPU_TYPE_HPPA = 11, |
| 150 | BFD_MACH_O_CPU_TYPE_ARM = 12, |
| 151 | BFD_MACH_O_CPU_TYPE_MC88000 = 13, |
| 152 | BFD_MACH_O_CPU_TYPE_SPARC = 14, |
| 153 | BFD_MACH_O_CPU_TYPE_I860 = 15, |
| 154 | BFD_MACH_O_CPU_TYPE_ALPHA = 16, |
| 155 | BFD_MACH_O_CPU_TYPE_POWERPC = 18, |
| 156 | BFD_MACH_O_CPU_TYPE_POWERPC_64 = (BFD_MACH_O_CPU_TYPE_POWERPC | BFD_MACH_O_CPU_IS64BIT), |
| 157 | BFD_MACH_O_CPU_TYPE_X86_64 = (BFD_MACH_O_CPU_TYPE_I386 | BFD_MACH_O_CPU_IS64BIT) |
| 158 | } |
| 159 | bfd_mach_o_cpu_type; |
| 160 | |
| 161 | typedef enum bfd_mach_o_cpu_subtype |
| 162 | { |
| 163 | BFD_MACH_O_CPU_SUBTYPE_X86_ALL = 3 |
| 164 | } |
| 165 | bfd_mach_o_cpu_subtype; |
| 166 | |
| 167 | typedef enum bfd_mach_o_filetype |
| 168 | { |
| 169 | BFD_MACH_O_MH_OBJECT = 0x01, |
| 170 | BFD_MACH_O_MH_EXECUTE = 0x02, |
| 171 | BFD_MACH_O_MH_FVMLIB = 0x03, |
| 172 | BFD_MACH_O_MH_CORE = 0x04, |
| 173 | BFD_MACH_O_MH_PRELOAD = 0x05, |
| 174 | BFD_MACH_O_MH_DYLIB = 0x06, |
| 175 | BFD_MACH_O_MH_DYLINKER = 0x07, |
| 176 | BFD_MACH_O_MH_BUNDLE = 0x08, |
| 177 | BFD_MACH_O_MH_DYLIB_STUB = 0x09, |
| 178 | BFD_MACH_O_MH_DSYM = 0x0a, |
| 179 | BFD_MACH_O_MH_KEXT_BUNDLE = 0x0b |
| 180 | } |
| 181 | bfd_mach_o_filetype; |
| 182 | |
| 183 | typedef enum bfd_mach_o_header_flags |
| 184 | { |
| 185 | BFD_MACH_O_MH_NOUNDEFS = 0x000001, |
| 186 | BFD_MACH_O_MH_INCRLINK = 0x000002, |
| 187 | BFD_MACH_O_MH_DYLDLINK = 0x000004, |
| 188 | BFD_MACH_O_MH_BINDATLOAD = 0x000008, |
| 189 | BFD_MACH_O_MH_PREBOUND = 0x000010, |
| 190 | BFD_MACH_O_MH_SPLIT_SEGS = 0x000020, |
| 191 | BFD_MACH_O_MH_LAZY_INIT = 0x000040, |
| 192 | BFD_MACH_O_MH_TWOLEVEL = 0x000080, |
| 193 | BFD_MACH_O_MH_FORCE_FLAT = 0x000100, |
| 194 | BFD_MACH_O_MH_NOMULTIDEFS = 0x000200, |
| 195 | BFD_MACH_O_MH_NOFIXPREBINDING = 0x000400, |
| 196 | BFD_MACH_O_MH_PREBINDABLE = 0x000800, |
| 197 | BFD_MACH_O_MH_ALLMODSBOUND = 0x001000, |
| 198 | BFD_MACH_O_MH_SUBSECTIONS_VIA_SYMBOLS = 0x002000, |
| 199 | BFD_MACH_O_MH_CANONICAL = 0x004000, |
| 200 | BFD_MACH_O_MH_WEAK_DEFINES = 0x008000, |
| 201 | BFD_MACH_O_MH_BINDS_TO_WEAK = 0x010000, |
| 202 | BFD_MACH_O_MH_ALLOW_STACK_EXECUTION = 0x020000, |
| 203 | BFD_MACH_O_MH_ROOT_SAFE = 0x040000, |
| 204 | BFD_MACH_O_MH_SETUID_SAFE = 0x080000, |
| 205 | BFD_MACH_O_MH_NO_REEXPORTED_DYLIBS = 0x100000, |
| 206 | BFD_MACH_O_MH_PIE = 0x200000 |
| 207 | } |
| 208 | bfd_mach_o_header_flags; |
| 209 | |
| 210 | /* Constants for the type of a section. */ |
| 211 | |
| 212 | typedef enum bfd_mach_o_section_type |
| 213 | { |
| 214 | /* Regular section. */ |
| 215 | BFD_MACH_O_S_REGULAR = 0x0, |
| 216 | |
| 217 | /* Zero fill on demand section. */ |
| 218 | BFD_MACH_O_S_ZEROFILL = 0x1, |
| 219 | |
| 220 | /* Section with only literal C strings. */ |
| 221 | BFD_MACH_O_S_CSTRING_LITERALS = 0x2, |
| 222 | |
| 223 | /* Section with only 4 byte literals. */ |
| 224 | BFD_MACH_O_S_4BYTE_LITERALS = 0x3, |
| 225 | |
| 226 | /* Section with only 8 byte literals. */ |
| 227 | BFD_MACH_O_S_8BYTE_LITERALS = 0x4, |
| 228 | |
| 229 | /* Section with only pointers to literals. */ |
| 230 | BFD_MACH_O_S_LITERAL_POINTERS = 0x5, |
| 231 | |
| 232 | /* For the two types of symbol pointers sections and the symbol stubs |
| 233 | section they have indirect symbol table entries. For each of the |
| 234 | entries in the section the indirect symbol table entries, in |
| 235 | corresponding order in the indirect symbol table, start at the index |
| 236 | stored in the reserved1 field of the section structure. Since the |
| 237 | indirect symbol table entries correspond to the entries in the |
| 238 | section the number of indirect symbol table entries is inferred from |
| 239 | the size of the section divided by the size of the entries in the |
| 240 | section. For symbol pointers sections the size of the entries in |
| 241 | the section is 4 bytes and for symbol stubs sections the byte size |
| 242 | of the stubs is stored in the reserved2 field of the section |
| 243 | structure. */ |
| 244 | |
| 245 | /* Section with only non-lazy symbol pointers. */ |
| 246 | BFD_MACH_O_S_NON_LAZY_SYMBOL_POINTERS = 0x6, |
| 247 | |
| 248 | /* Section with only lazy symbol pointers. */ |
| 249 | BFD_MACH_O_S_LAZY_SYMBOL_POINTERS = 0x7, |
| 250 | |
| 251 | /* Section with only symbol stubs, byte size of stub in the reserved2 |
| 252 | field. */ |
| 253 | BFD_MACH_O_S_SYMBOL_STUBS = 0x8, |
| 254 | |
| 255 | /* Section with only function pointers for initialization. */ |
| 256 | BFD_MACH_O_S_MOD_INIT_FUNC_POINTERS = 0x9, |
| 257 | |
| 258 | /* Section with only function pointers for termination. */ |
| 259 | BFD_MACH_O_S_MOD_FINI_FUNC_POINTERS = 0xa, |
| 260 | |
| 261 | /* Section contains symbols that are coalesced by the linkers. */ |
| 262 | BFD_MACH_O_S_COALESCED = 0xb, |
| 263 | |
| 264 | /* Zero fill on demand section (possibly larger than 4 GB). */ |
| 265 | BFD_MACH_O_S_GB_ZEROFILL = 0xc, |
| 266 | |
| 267 | /* Section with only pairs of function pointers for interposing. */ |
| 268 | BFD_MACH_O_S_INTERPOSING = 0xd, |
| 269 | |
| 270 | /* Section with only 16 byte literals. */ |
| 271 | BFD_MACH_O_S_16BYTE_LITERALS = 0xe, |
| 272 | |
| 273 | /* Section contains DTrace Object Format. */ |
| 274 | BFD_MACH_O_S_DTRACE_DOF = 0xf, |
| 275 | |
| 276 | /* Section with only lazy symbol pointers to lazy loaded dylibs. */ |
| 277 | BFD_MACH_O_S_LAZY_DYLIB_SYMBOL_POINTERS = 0x10 |
| 278 | } |
| 279 | bfd_mach_o_section_type; |
| 280 | |
| 281 | /* The flags field of a section structure is separated into two parts a section |
| 282 | type and section attributes. The section types are mutually exclusive (it |
| 283 | can only have one type) but the section attributes are not (it may have more |
| 284 | than one attribute). */ |
| 285 | |
| 286 | #define BFD_MACH_O_SECTION_TYPE_MASK 0x000000ff |
| 287 | |
| 288 | /* Constants for the section attributes part of the flags field of a section |
| 289 | structure. */ |
| 290 | #define BFD_MACH_O_SECTION_ATTRIBUTES_MASK 0xffffff00 |
| 291 | /* System setable attributes. */ |
| 292 | #define BFD_MACH_O_SECTION_ATTRIBUTES_SYS 0x00ffff00 |
| 293 | /* User attributes. */ |
| 294 | #define BFD_MACH_O_SECTION_ATTRIBUTES_USR 0xff000000 |
| 295 | |
| 296 | typedef enum bfd_mach_o_section_attribute |
| 297 | { |
| 298 | /* Section has local relocation entries. */ |
| 299 | BFD_MACH_O_S_ATTR_LOC_RELOC = 0x00000100, |
| 300 | |
| 301 | /* Section has external relocation entries. */ |
| 302 | BFD_MACH_O_S_ATTR_EXT_RELOC = 0x00000200, |
| 303 | |
| 304 | /* Section contains some machine instructions. */ |
| 305 | BFD_MACH_O_S_ATTR_SOME_INSTRUCTIONS = 0x00000400, |
| 306 | |
| 307 | /* A debug section. */ |
| 308 | BFD_MACH_O_S_ATTR_DEBUG = 0x02000000, |
| 309 | |
| 310 | /* Used with i386 stubs. */ |
| 311 | BFD_MACH_O_S_SELF_MODIFYING_CODE = 0x04000000, |
| 312 | |
| 313 | /* Blocks are live if they reference live blocks. */ |
| 314 | BFD_MACH_O_S_ATTR_LIVE_SUPPORT = 0x08000000, |
| 315 | |
| 316 | /* No dead stripping. */ |
| 317 | BFD_MACH_O_S_ATTR_NO_DEAD_STRIP = 0x10000000, |
| 318 | |
| 319 | /* Section symbols can be stripped in files with MH_DYLDLINK flag. */ |
| 320 | BFD_MACH_O_S_ATTR_STRIP_STATIC_SYMS = 0x20000000, |
| 321 | |
| 322 | /* Section contains coalesced symbols that are not to be in the TOC of an |
| 323 | archive. */ |
| 324 | BFD_MACH_O_S_ATTR_NO_TOC = 0x40000000, |
| 325 | |
| 326 | /* Section contains only true machine instructions. */ |
| 327 | BFD_MACH_O_S_ATTR_PURE_INSTRUCTIONS = 0x80000000 |
| 328 | } |
| 329 | bfd_mach_o_section_attribute; |
| 330 | |
| 331 | typedef struct bfd_mach_o_header |
| 332 | { |
| 333 | unsigned long magic; |
| 334 | unsigned long cputype; |
| 335 | unsigned long cpusubtype; |
| 336 | unsigned long filetype; |
| 337 | unsigned long ncmds; |
| 338 | unsigned long sizeofcmds; |
| 339 | unsigned long flags; |
| 340 | unsigned int reserved; |
| 341 | /* Version 1: 32 bits, version 2: 64 bits. */ |
| 342 | unsigned int version; |
| 343 | enum bfd_endian byteorder; |
| 344 | } |
| 345 | bfd_mach_o_header; |
| 346 | |
| 347 | #define BFD_MACH_O_HEADER_SIZE 28 |
| 348 | #define BFD_MACH_O_HEADER_64_SIZE 32 |
| 349 | |
| 350 | typedef struct bfd_mach_o_section |
| 351 | { |
| 352 | asection *bfdsection; |
| 353 | char sectname[16 + 1]; |
| 354 | char segname[16 + 1]; |
| 355 | bfd_vma addr; |
| 356 | bfd_vma size; |
| 357 | bfd_vma offset; |
| 358 | unsigned long align; |
| 359 | bfd_vma reloff; |
| 360 | unsigned long nreloc; |
| 361 | unsigned long flags; |
| 362 | unsigned long reserved1; |
| 363 | unsigned long reserved2; |
| 364 | unsigned long reserved3; |
| 365 | } |
| 366 | bfd_mach_o_section; |
| 367 | #define BFD_MACH_O_SECTION_SIZE 68 |
| 368 | #define BFD_MACH_O_SECTION_64_SIZE 80 |
| 369 | |
| 370 | typedef struct bfd_mach_o_segment_command |
| 371 | { |
| 372 | char segname[16 + 1]; |
| 373 | bfd_vma vmaddr; |
| 374 | bfd_vma vmsize; |
| 375 | bfd_vma fileoff; |
| 376 | unsigned long filesize; |
| 377 | unsigned long maxprot; /* Maximum permitted protection. */ |
| 378 | unsigned long initprot; /* Initial protection. */ |
| 379 | unsigned long nsects; |
| 380 | unsigned long flags; |
| 381 | bfd_mach_o_section *sections; |
| 382 | } |
| 383 | bfd_mach_o_segment_command; |
| 384 | #define BFD_MACH_O_LC_SEGMENT_SIZE 56 |
| 385 | #define BFD_MACH_O_LC_SEGMENT_64_SIZE 72 |
| 386 | |
| 387 | /* Protection flags. */ |
| 388 | #define BFD_MACH_O_PROT_READ 0x01 |
| 389 | #define BFD_MACH_O_PROT_WRITE 0x02 |
| 390 | #define BFD_MACH_O_PROT_EXECUTE 0x04 |
| 391 | |
| 392 | /* Generic relocation types (used by i386). */ |
| 393 | #define BFD_MACH_O_GENERIC_RELOC_VANILLA 0 |
| 394 | #define BFD_MACH_O_GENERIC_RELOC_PAIR 1 |
| 395 | #define BFD_MACH_O_GENERIC_RELOC_SECTDIFF 2 |
| 396 | #define BFD_MACH_O_GENERIC_RELOC_PB_LA_PTR 3 |
| 397 | #define BFD_MACH_O_GENERIC_RELOC_LOCAL_SECTDIFF 4 |
| 398 | |
| 399 | /* X86-64 relocations. */ |
| 400 | #define BFD_MACH_O_X86_64_RELOC_UNSIGNED 0 /* Absolute addresses. */ |
| 401 | #define BFD_MACH_O_X86_64_RELOC_SIGNED 1 /* 32-bit disp. */ |
| 402 | #define BFD_MACH_O_X86_64_RELOC_BRANCH 2 /* 32-bit pcrel disp. */ |
| 403 | #define BFD_MACH_O_X86_64_RELOC_GOT_LOAD 3 /* Movq load of a GOT entry. */ |
| 404 | #define BFD_MACH_O_X86_64_RELOC_GOT 4 /* GOT reference. */ |
| 405 | #define BFD_MACH_O_X86_64_RELOC_SUBTRACTOR 5 /* Symbol difference. */ |
| 406 | #define BFD_MACH_O_X86_64_RELOC_SIGNED_1 6 /* 32-bit signed disp -1. */ |
| 407 | #define BFD_MACH_O_X86_64_RELOC_SIGNED_2 7 /* 32-bit signed disp -2. */ |
| 408 | #define BFD_MACH_O_X86_64_RELOC_SIGNED_4 8 /* 32-bit signed disp -4. */ |
| 409 | |
| 410 | /* Size of a relocation entry. */ |
| 411 | #define BFD_MACH_O_RELENT_SIZE 8 |
| 412 | |
| 413 | /* Fields for a normal (non-scattered) entry. */ |
| 414 | #define BFD_MACH_O_R_PCREL 0x01000000 |
| 415 | #define BFD_MACH_O_GET_R_LENGTH(s) (((s) >> 25) & 0x3) |
| 416 | #define BFD_MACH_O_R_EXTERN 0x08000000 |
| 417 | #define BFD_MACH_O_GET_R_TYPE(s) (((s) >> 28) & 0x0f) |
| 418 | #define BFD_MACH_O_GET_R_SYMBOLNUM(s) ((s) & 0x00ffffff) |
| 419 | #define BFD_MACH_O_SET_R_LENGTH(l) (((l) & 0x3) << 25) |
| 420 | #define BFD_MACH_O_SET_R_TYPE(t) (((t) & 0xf) << 28) |
| 421 | #define BFD_MACH_O_SET_R_SYMBOLNUM(s) ((s) & 0x00ffffff) |
| 422 | |
| 423 | /* Fields for a scattered entry. */ |
| 424 | #define BFD_MACH_O_SR_SCATTERED 0x80000000 |
| 425 | #define BFD_MACH_O_SR_PCREL 0x40000000 |
| 426 | #define BFD_MACH_O_GET_SR_LENGTH(s) (((s) >> 28) & 0x3) |
| 427 | #define BFD_MACH_O_GET_SR_TYPE(s) (((s) >> 24) & 0x0f) |
| 428 | #define BFD_MACH_O_GET_SR_ADDRESS(s) ((s) & 0x00ffffff) |
| 429 | #define BFD_MACH_O_SET_SR_LENGTH(l) (((l) & 0x3) << 28) |
| 430 | #define BFD_MACH_O_SET_SR_TYPE(t) (((t) & 0xf) << 24) |
| 431 | #define BFD_MACH_O_SET_SR_ADDRESS(s) ((s) & 0x00ffffff) |
| 432 | |
| 433 | /* Expanded internal representation of a relocation entry. */ |
| 434 | typedef struct bfd_mach_o_reloc_info |
| 435 | { |
| 436 | bfd_vma r_address; |
| 437 | bfd_vma r_value; |
| 438 | unsigned int r_scattered : 1; |
| 439 | unsigned int r_type : 4; |
| 440 | unsigned int r_pcrel : 1; |
| 441 | unsigned int r_length : 2; |
| 442 | unsigned int r_extern : 1; |
| 443 | } |
| 444 | bfd_mach_o_reloc_info; |
| 445 | |
| 446 | typedef struct bfd_mach_o_asymbol |
| 447 | { |
| 448 | /* The actual symbol which the rest of BFD works with. */ |
| 449 | asymbol symbol; |
| 450 | |
| 451 | /* Fields from Mach-O symbol. */ |
| 452 | unsigned char n_type; |
| 453 | unsigned char n_sect; |
| 454 | unsigned short n_desc; |
| 455 | } |
| 456 | bfd_mach_o_asymbol; |
| 457 | #define BFD_MACH_O_NLIST_SIZE 12 |
| 458 | #define BFD_MACH_O_NLIST_64_SIZE 16 |
| 459 | |
| 460 | typedef struct bfd_mach_o_symtab_command |
| 461 | { |
| 462 | unsigned int symoff; |
| 463 | unsigned int nsyms; |
| 464 | unsigned int stroff; |
| 465 | unsigned int strsize; |
| 466 | bfd_mach_o_asymbol *symbols; |
| 467 | char *strtab; |
| 468 | } |
| 469 | bfd_mach_o_symtab_command; |
| 470 | |
| 471 | /* This is the second set of the symbolic information which is used to support |
| 472 | the data structures for the dynamically link editor. |
| 473 | |
| 474 | The original set of symbolic information in the symtab_command which contains |
| 475 | the symbol and string tables must also be present when this load command is |
| 476 | present. When this load command is present the symbol table is organized |
| 477 | into three groups of symbols: |
| 478 | local symbols (static and debugging symbols) - grouped by module |
| 479 | defined external symbols - grouped by module (sorted by name if not lib) |
| 480 | undefined external symbols (sorted by name) |
| 481 | In this load command there are offsets and counts to each of the three groups |
| 482 | of symbols. |
| 483 | |
| 484 | This load command contains a the offsets and sizes of the following new |
| 485 | symbolic information tables: |
| 486 | table of contents |
| 487 | module table |
| 488 | reference symbol table |
| 489 | indirect symbol table |
| 490 | The first three tables above (the table of contents, module table and |
| 491 | reference symbol table) are only present if the file is a dynamically linked |
| 492 | shared library. For executable and object modules, which are files |
| 493 | containing only one module, the information that would be in these three |
| 494 | tables is determined as follows: |
| 495 | table of contents - the defined external symbols are sorted by name |
| 496 | module table - the file contains only one module so everything in the |
| 497 | file is part of the module. |
| 498 | reference symbol table - is the defined and undefined external symbols |
| 499 | |
| 500 | For dynamically linked shared library files this load command also contains |
| 501 | offsets and sizes to the pool of relocation entries for all sections |
| 502 | separated into two groups: |
| 503 | external relocation entries |
| 504 | local relocation entries |
| 505 | For executable and object modules the relocation entries continue to hang |
| 506 | off the section structures. */ |
| 507 | |
| 508 | typedef struct bfd_mach_o_dylib_module |
| 509 | { |
| 510 | /* Index into the string table indicating the name of the module. */ |
| 511 | unsigned long module_name_idx; |
| 512 | char *module_name; |
| 513 | |
| 514 | /* Index into the symbol table of the first defined external symbol provided |
| 515 | by the module. */ |
| 516 | unsigned long iextdefsym; |
| 517 | |
| 518 | /* Number of external symbols provided by this module. */ |
| 519 | unsigned long nextdefsym; |
| 520 | |
| 521 | /* Index into the external reference table of the first entry |
| 522 | provided by this module. */ |
| 523 | unsigned long irefsym; |
| 524 | |
| 525 | /* Number of external reference entries provided by this module. */ |
| 526 | unsigned long nrefsym; |
| 527 | |
| 528 | /* Index into the symbol table of the first local symbol provided by this |
| 529 | module. */ |
| 530 | unsigned long ilocalsym; |
| 531 | |
| 532 | /* Number of local symbols provided by this module. */ |
| 533 | unsigned long nlocalsym; |
| 534 | |
| 535 | /* Index into the external relocation table of the first entry provided |
| 536 | by this module. */ |
| 537 | unsigned long iextrel; |
| 538 | |
| 539 | /* Number of external relocation entries provided by this module. */ |
| 540 | unsigned long nextrel; |
| 541 | |
| 542 | /* Index in the module initialization section to the pointers for this |
| 543 | module. */ |
| 544 | unsigned short iinit; |
| 545 | |
| 546 | /* Index in the module termination section to the pointers for this |
| 547 | module. */ |
| 548 | unsigned short iterm; |
| 549 | |
| 550 | /* Number of pointers in the module initialization for this module. */ |
| 551 | unsigned short ninit; |
| 552 | |
| 553 | /* Number of pointers in the module termination for this module. */ |
| 554 | unsigned short nterm; |
| 555 | |
| 556 | /* Number of data byte for this module that are used in the __module_info |
| 557 | section of the __OBJC segment. */ |
| 558 | unsigned long objc_module_info_size; |
| 559 | |
| 560 | /* Statically linked address of the start of the data for this module |
| 561 | in the __module_info section of the __OBJC_segment. */ |
| 562 | bfd_vma objc_module_info_addr; |
| 563 | } |
| 564 | bfd_mach_o_dylib_module; |
| 565 | #define BFD_MACH_O_DYLIB_MODULE_SIZE 52 |
| 566 | #define BFD_MACH_O_DYLIB_MODULE_64_SIZE 56 |
| 567 | |
| 568 | typedef struct bfd_mach_o_dylib_table_of_content |
| 569 | { |
| 570 | /* Index into the symbol table to the defined external symbol. */ |
| 571 | unsigned long symbol_index; |
| 572 | |
| 573 | /* Index into the module table to the module for this entry. */ |
| 574 | unsigned long module_index; |
| 575 | } |
| 576 | bfd_mach_o_dylib_table_of_content; |
| 577 | #define BFD_MACH_O_TABLE_OF_CONTENT_SIZE 8 |
| 578 | |
| 579 | typedef struct bfd_mach_o_dylib_reference |
| 580 | { |
| 581 | /* Index into the symbol table for the symbol being referenced. */ |
| 582 | unsigned long isym; |
| 583 | |
| 584 | /* Type of the reference being made (use REFERENCE_FLAGS constants). */ |
| 585 | unsigned long flags; |
| 586 | } |
| 587 | bfd_mach_o_dylib_reference; |
| 588 | #define BFD_MACH_O_REFERENCE_SIZE 4 |
| 589 | |
| 590 | typedef struct bfd_mach_o_dysymtab_command |
| 591 | { |
| 592 | /* The symbols indicated by symoff and nsyms of the LC_SYMTAB load command |
| 593 | are grouped into the following three groups: |
| 594 | local symbols (further grouped by the module they are from) |
| 595 | defined external symbols (further grouped by the module they are from) |
| 596 | undefined symbols |
| 597 | |
| 598 | The local symbols are used only for debugging. The dynamic binding |
| 599 | process may have to use them to indicate to the debugger the local |
| 600 | symbols for a module that is being bound. |
| 601 | |
| 602 | The last two groups are used by the dynamic binding process to do the |
| 603 | binding (indirectly through the module table and the reference symbol |
| 604 | table when this is a dynamically linked shared library file). */ |
| 605 | |
| 606 | unsigned long ilocalsym; /* Index to local symbols. */ |
| 607 | unsigned long nlocalsym; /* Number of local symbols. */ |
| 608 | unsigned long iextdefsym; /* Index to externally defined symbols. */ |
| 609 | unsigned long nextdefsym; /* Number of externally defined symbols. */ |
| 610 | unsigned long iundefsym; /* Index to undefined symbols. */ |
| 611 | unsigned long nundefsym; /* Number of undefined symbols. */ |
| 612 | |
| 613 | /* For the for the dynamic binding process to find which module a symbol |
| 614 | is defined in the table of contents is used (analogous to the ranlib |
| 615 | structure in an archive) which maps defined external symbols to modules |
| 616 | they are defined in. This exists only in a dynamically linked shared |
| 617 | library file. For executable and object modules the defined external |
| 618 | symbols are sorted by name and is use as the table of contents. */ |
| 619 | |
| 620 | unsigned long tocoff; /* File offset to table of contents. */ |
| 621 | unsigned long ntoc; /* Number of entries in table of contents. */ |
| 622 | |
| 623 | /* To support dynamic binding of "modules" (whole object files) the symbol |
| 624 | table must reflect the modules that the file was created from. This is |
| 625 | done by having a module table that has indexes and counts into the merged |
| 626 | tables for each module. The module structure that these two entries |
| 627 | refer to is described below. This exists only in a dynamically linked |
| 628 | shared library file. For executable and object modules the file only |
| 629 | contains one module so everything in the file belongs to the module. */ |
| 630 | |
| 631 | unsigned long modtaboff; /* File offset to module table. */ |
| 632 | unsigned long nmodtab; /* Number of module table entries. */ |
| 633 | |
| 634 | /* To support dynamic module binding the module structure for each module |
| 635 | indicates the external references (defined and undefined) each module |
| 636 | makes. For each module there is an offset and a count into the |
| 637 | reference symbol table for the symbols that the module references. |
| 638 | This exists only in a dynamically linked shared library file. For |
| 639 | executable and object modules the defined external symbols and the |
| 640 | undefined external symbols indicates the external references. */ |
| 641 | |
| 642 | unsigned long extrefsymoff; /* Offset to referenced symbol table. */ |
| 643 | unsigned long nextrefsyms; /* Number of referenced symbol table entries. */ |
| 644 | |
| 645 | /* The sections that contain "symbol pointers" and "routine stubs" have |
| 646 | indexes and (implied counts based on the size of the section and fixed |
| 647 | size of the entry) into the "indirect symbol" table for each pointer |
| 648 | and stub. For every section of these two types the index into the |
| 649 | indirect symbol table is stored in the section header in the field |
| 650 | reserved1. An indirect symbol table entry is simply a 32bit index into |
| 651 | the symbol table to the symbol that the pointer or stub is referring to. |
| 652 | The indirect symbol table is ordered to match the entries in the section. */ |
| 653 | |
| 654 | unsigned long indirectsymoff; /* File offset to the indirect symbol table. */ |
| 655 | unsigned long nindirectsyms; /* Number of indirect symbol table entries. */ |
| 656 | |
| 657 | /* To support relocating an individual module in a library file quickly the |
| 658 | external relocation entries for each module in the library need to be |
| 659 | accessed efficiently. Since the relocation entries can't be accessed |
| 660 | through the section headers for a library file they are separated into |
| 661 | groups of local and external entries further grouped by module. In this |
| 662 | case the presents of this load command who's extreloff, nextrel, |
| 663 | locreloff and nlocrel fields are non-zero indicates that the relocation |
| 664 | entries of non-merged sections are not referenced through the section |
| 665 | structures (and the reloff and nreloc fields in the section headers are |
| 666 | set to zero). |
| 667 | |
| 668 | Since the relocation entries are not accessed through the section headers |
| 669 | this requires the r_address field to be something other than a section |
| 670 | offset to identify the item to be relocated. In this case r_address is |
| 671 | set to the offset from the vmaddr of the first LC_SEGMENT command. |
| 672 | |
| 673 | The relocation entries are grouped by module and the module table |
| 674 | entries have indexes and counts into them for the group of external |
| 675 | relocation entries for that the module. |
| 676 | |
| 677 | For sections that are merged across modules there must not be any |
| 678 | remaining external relocation entries for them (for merged sections |
| 679 | remaining relocation entries must be local). */ |
| 680 | |
| 681 | unsigned long extreloff; /* Offset to external relocation entries. */ |
| 682 | unsigned long nextrel; /* Number of external relocation entries. */ |
| 683 | |
| 684 | /* All the local relocation entries are grouped together (they are not |
| 685 | grouped by their module since they are only used if the object is moved |
| 686 | from it statically link edited address). */ |
| 687 | |
| 688 | unsigned long locreloff; /* Offset to local relocation entries. */ |
| 689 | unsigned long nlocrel; /* Number of local relocation entries. */ |
| 690 | |
| 691 | bfd_mach_o_dylib_module *dylib_module; |
| 692 | bfd_mach_o_dylib_table_of_content *dylib_toc; |
| 693 | unsigned int *indirect_syms; |
| 694 | bfd_mach_o_dylib_reference *ext_refs; |
| 695 | } |
| 696 | bfd_mach_o_dysymtab_command; |
| 697 | |
| 698 | /* An indirect symbol table entry is simply a 32bit index into the symbol table |
| 699 | to the symbol that the pointer or stub is refering to. Unless it is for a |
| 700 | non-lazy symbol pointer section for a defined symbol which strip(1) has |
| 701 | removed. In which case it has the value INDIRECT_SYMBOL_LOCAL. If the |
| 702 | symbol was also absolute INDIRECT_SYMBOL_ABS is or'ed with that. */ |
| 703 | |
| 704 | #define BFD_MACH_O_INDIRECT_SYMBOL_LOCAL 0x80000000 |
| 705 | #define BFD_MACH_O_INDIRECT_SYMBOL_ABS 0x40000000 |
| 706 | #define BFD_MACH_O_INDIRECT_SYMBOL_SIZE 4 |
| 707 | |
| 708 | /* For LC_THREAD or LC_UNIXTHREAD. */ |
| 709 | |
| 710 | typedef struct bfd_mach_o_thread_flavour |
| 711 | { |
| 712 | unsigned long flavour; |
| 713 | unsigned long offset; |
| 714 | unsigned long size; |
| 715 | } |
| 716 | bfd_mach_o_thread_flavour; |
| 717 | |
| 718 | typedef struct bfd_mach_o_thread_command |
| 719 | { |
| 720 | unsigned long nflavours; |
| 721 | bfd_mach_o_thread_flavour *flavours; |
| 722 | asection *section; |
| 723 | } |
| 724 | bfd_mach_o_thread_command; |
| 725 | |
| 726 | /* For LC_LOAD_DYLINKER and LC_ID_DYLINKER. */ |
| 727 | |
| 728 | typedef struct bfd_mach_o_dylinker_command |
| 729 | { |
| 730 | unsigned long name_offset; /* Offset to library's path name. */ |
| 731 | unsigned long name_len; /* Offset to library's path name. */ |
| 732 | char *name_str; |
| 733 | } |
| 734 | bfd_mach_o_dylinker_command; |
| 735 | |
| 736 | /* For LC_LOAD_DYLIB, LC_LOAD_WEAK_DYLIB, LC_ID_DYLIB |
| 737 | or LC_REEXPORT_DYLIB. */ |
| 738 | |
| 739 | typedef struct bfd_mach_o_dylib_command |
| 740 | { |
| 741 | unsigned long name_offset; /* Offset to library's path name. */ |
| 742 | unsigned long name_len; /* Offset to library's path name. */ |
| 743 | unsigned long timestamp; /* Library's build time stamp. */ |
| 744 | unsigned long current_version; /* Library's current version number. */ |
| 745 | unsigned long compatibility_version; /* Library's compatibility vers number. */ |
| 746 | char *name_str; |
| 747 | } |
| 748 | bfd_mach_o_dylib_command; |
| 749 | |
| 750 | /* For LC_PREBOUND_DYLIB. */ |
| 751 | |
| 752 | typedef struct bfd_mach_o_prebound_dylib_command |
| 753 | { |
| 754 | unsigned long name; /* Library's path name. */ |
| 755 | unsigned long nmodules; /* Number of modules in library. */ |
| 756 | unsigned long linked_modules; /* Bit vector of linked modules. */ |
| 757 | } |
| 758 | bfd_mach_o_prebound_dylib_command; |
| 759 | |
| 760 | /* For LC_UUID. */ |
| 761 | |
| 762 | typedef struct bfd_mach_o_uuid_command |
| 763 | { |
| 764 | unsigned char uuid[16]; |
| 765 | } |
| 766 | bfd_mach_o_uuid_command; |
| 767 | |
| 768 | /* For LC_CODE_SIGNATURE or LC_SEGMENT_SPLIT_INFO. */ |
| 769 | |
| 770 | typedef struct bfd_mach_o_linkedit_command |
| 771 | { |
| 772 | unsigned long dataoff; |
| 773 | unsigned long datasize; |
| 774 | } |
| 775 | bfd_mach_o_linkedit_command; |
| 776 | |
| 777 | typedef struct bfd_mach_o_str_command |
| 778 | { |
| 779 | unsigned long stroff; |
| 780 | unsigned long str_len; |
| 781 | char *str; |
| 782 | } |
| 783 | bfd_mach_o_str_command; |
| 784 | |
| 785 | typedef struct bfd_mach_o_dyld_info_command |
| 786 | { |
| 787 | /* File offset and size to rebase info. */ |
| 788 | unsigned int rebase_off; |
| 789 | unsigned int rebase_size; |
| 790 | |
| 791 | /* File offset and size of binding info. */ |
| 792 | unsigned int bind_off; |
| 793 | unsigned int bind_size; |
| 794 | |
| 795 | /* File offset and size of weak binding info. */ |
| 796 | unsigned int weak_bind_off; |
| 797 | unsigned int weak_bind_size; |
| 798 | |
| 799 | /* File offset and size of lazy binding info. */ |
| 800 | unsigned int lazy_bind_off; |
| 801 | unsigned int lazy_bind_size; |
| 802 | |
| 803 | /* File offset and size of export info. */ |
| 804 | unsigned int export_off; |
| 805 | unsigned int export_size; |
| 806 | } |
| 807 | bfd_mach_o_dyld_info_command; |
| 808 | |
| 809 | typedef struct bfd_mach_o_load_command |
| 810 | { |
| 811 | bfd_mach_o_load_command_type type; |
| 812 | bfd_boolean type_required; |
| 813 | unsigned int offset; |
| 814 | unsigned int len; |
| 815 | union |
| 816 | { |
| 817 | bfd_mach_o_segment_command segment; |
| 818 | bfd_mach_o_symtab_command symtab; |
| 819 | bfd_mach_o_dysymtab_command dysymtab; |
| 820 | bfd_mach_o_thread_command thread; |
| 821 | bfd_mach_o_dylib_command dylib; |
| 822 | bfd_mach_o_dylinker_command dylinker; |
| 823 | bfd_mach_o_prebound_dylib_command prebound_dylib; |
| 824 | bfd_mach_o_uuid_command uuid; |
| 825 | bfd_mach_o_linkedit_command linkedit; |
| 826 | bfd_mach_o_str_command str; |
| 827 | bfd_mach_o_dyld_info_command dyld_info; |
| 828 | } |
| 829 | command; |
| 830 | } |
| 831 | bfd_mach_o_load_command; |
| 832 | |
| 833 | typedef struct mach_o_data_struct |
| 834 | { |
| 835 | /* Mach-O header. */ |
| 836 | bfd_mach_o_header header; |
| 837 | /* Array of load commands (length is given by header.ncmds). */ |
| 838 | bfd_mach_o_load_command *commands; |
| 839 | |
| 840 | /* Flatten array of sections. The array is 0-based. */ |
| 841 | unsigned long nsects; |
| 842 | bfd_mach_o_section **sections; |
| 843 | |
| 844 | /* Used while writting: current length of the output file. This is used |
| 845 | to allocate space in the file. */ |
| 846 | ufile_ptr filelen; |
| 847 | |
| 848 | /* As symtab is referenced by other load command, it is handy to have |
| 849 | a direct access to it. Also it is not clearly stated, only one symtab |
| 850 | is expected. */ |
| 851 | bfd_mach_o_symtab_command *symtab; |
| 852 | bfd_mach_o_dysymtab_command *dysymtab; |
| 853 | } |
| 854 | bfd_mach_o_data_struct; |
| 855 | |
| 856 | /* Target specific routines. */ |
| 857 | typedef struct bfd_mach_o_backend_data |
| 858 | { |
| 859 | enum bfd_architecture arch; |
| 860 | bfd_boolean (*_bfd_mach_o_swap_reloc_in)(arelent *, bfd_mach_o_reloc_info *); |
| 861 | bfd_boolean (*_bfd_mach_o_swap_reloc_out)(arelent *, bfd_mach_o_reloc_info *); |
| 862 | bfd_boolean (*_bfd_mach_o_print_thread)(bfd *, bfd_mach_o_thread_flavour *, |
| 863 | void *, char *); |
| 864 | } |
| 865 | bfd_mach_o_backend_data; |
| 866 | |
| 867 | #define bfd_mach_o_get_data(abfd) ((abfd)->tdata.mach_o_data) |
| 868 | #define bfd_mach_o_get_backend_data(abfd) \ |
| 869 | ((bfd_mach_o_backend_data*)(abfd)->xvec->backend_data) |
| 870 | |
| 871 | bfd_boolean bfd_mach_o_valid (bfd *); |
| 872 | int bfd_mach_o_read_dysymtab_symbol (bfd *, bfd_mach_o_dysymtab_command *, bfd_mach_o_symtab_command *, bfd_mach_o_asymbol *, unsigned long); |
| 873 | int bfd_mach_o_scan_start_address (bfd *); |
| 874 | int bfd_mach_o_scan (bfd *, bfd_mach_o_header *, bfd_mach_o_data_struct *); |
| 875 | bfd_boolean bfd_mach_o_mkobject_init (bfd *); |
| 876 | const bfd_target *bfd_mach_o_object_p (bfd *); |
| 877 | const bfd_target *bfd_mach_o_core_p (bfd *); |
| 878 | const bfd_target *bfd_mach_o_archive_p (bfd *); |
| 879 | bfd *bfd_mach_o_openr_next_archived_file (bfd *, bfd *); |
| 880 | bfd_boolean bfd_mach_o_set_arch_mach (bfd *, enum bfd_architecture, |
| 881 | unsigned long); |
| 882 | int bfd_mach_o_lookup_section (bfd *, asection *, bfd_mach_o_load_command **, bfd_mach_o_section **); |
| 883 | int bfd_mach_o_lookup_command (bfd *, bfd_mach_o_load_command_type, bfd_mach_o_load_command **); |
| 884 | bfd_boolean bfd_mach_o_write_contents (bfd *); |
| 885 | bfd_boolean bfd_mach_o_bfd_copy_private_symbol_data (bfd *, asymbol *, |
| 886 | bfd *, asymbol *); |
| 887 | bfd_boolean bfd_mach_o_bfd_copy_private_section_data (bfd *, asection *, |
| 888 | bfd *, asection *); |
| 889 | bfd_boolean bfd_mach_o_bfd_copy_private_bfd_data (bfd *, bfd *); |
| 890 | long bfd_mach_o_get_symtab_upper_bound (bfd *); |
| 891 | long bfd_mach_o_canonicalize_symtab (bfd *, asymbol **); |
| 892 | long bfd_mach_o_get_synthetic_symtab (bfd *, long, asymbol **, long, |
| 893 | asymbol **, asymbol **ret); |
| 894 | long bfd_mach_o_get_reloc_upper_bound (bfd *, asection *); |
| 895 | long bfd_mach_o_canonicalize_reloc (bfd *, asection *, arelent **, asymbol **); |
| 896 | long bfd_mach_o_get_dynamic_reloc_upper_bound (bfd *); |
| 897 | long bfd_mach_o_canonicalize_dynamic_reloc (bfd *, arelent **, asymbol **); |
| 898 | asymbol *bfd_mach_o_make_empty_symbol (bfd *); |
| 899 | void bfd_mach_o_get_symbol_info (bfd *, asymbol *, symbol_info *); |
| 900 | void bfd_mach_o_print_symbol (bfd *, PTR, asymbol *, bfd_print_symbol_type); |
| 901 | bfd_boolean bfd_mach_o_bfd_print_private_bfd_data (bfd *, PTR); |
| 902 | int bfd_mach_o_sizeof_headers (bfd *, struct bfd_link_info *); |
| 903 | unsigned long bfd_mach_o_stack_addr (enum bfd_mach_o_cpu_type); |
| 904 | int bfd_mach_o_core_fetch_environment (bfd *, unsigned char **, unsigned int *); |
| 905 | char *bfd_mach_o_core_file_failing_command (bfd *); |
| 906 | int bfd_mach_o_core_file_failing_signal (bfd *); |
| 907 | bfd_boolean bfd_mach_o_core_file_matches_executable_p (bfd *, bfd *); |
| 908 | bfd *bfd_mach_o_fat_extract (bfd *, bfd_format , const bfd_arch_info_type *); |
| 909 | const bfd_target *bfd_mach_o_header_p (bfd *, bfd_mach_o_filetype, |
| 910 | bfd_mach_o_cpu_type); |
| 911 | bfd_boolean bfd_mach_o_build_commands (bfd *); |
| 912 | bfd_boolean bfd_mach_o_set_section_contents (bfd *, asection *, const void *, |
| 913 | file_ptr, bfd_size_type); |
| 914 | unsigned int bfd_mach_o_version (bfd *); |
| 915 | |
| 916 | extern const bfd_target mach_o_fat_vec; |
| 917 | |
| 918 | #endif /* _BFD_MACH_O_H_ */ |