1 /* Internal format of COFF object file data structures, for GNU BFD. 2 This file is part of BFD, the Binary File Descriptor library. 3 4 Copyright 1999, 2000, 2001, 2002, 2003, 2004. 2005, 2006, 2007 5 Free Software Foundation, Inc. 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 2 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, MA 02110-1301, USA. */ 20 21 #ifndef GNU_COFF_INTERNAL_H 22 #define GNU_COFF_INTERNAL_H 1 23 24 /* First, make "signed char" work, even on old compilers. */ 25 #ifndef signed 26 #ifndef __STDC__ 27 #define signed /**/ 28 #endif 29 #endif 30 31 /********************** FILE HEADER **********************/ 32 33 /* extra stuff in a PE header. */ 34 35 struct internal_extra_pe_filehdr 36 { 37 /* DOS header data follows for PE stuff */ 38 unsigned short e_magic; /* Magic number, 0x5a4d */ 39 unsigned short e_cblp; /* Bytes on last page of file, 0x90 */ 40 unsigned short e_cp; /* Pages in file, 0x3 */ 41 unsigned short e_crlc; /* Relocations, 0x0 */ 42 unsigned short e_cparhdr; /* Size of header in paragraphs, 0x4 */ 43 unsigned short e_minalloc; /* Minimum extra paragraphs needed, 0x0 */ 44 unsigned short e_maxalloc; /* Maximum extra paragraphs needed, 0xFFFF */ 45 unsigned short e_ss; /* Initial (relative) SS value, 0x0 */ 46 unsigned short e_sp; /* Initial SP value, 0xb8 */ 47 unsigned short e_csum; /* Checksum, 0x0 */ 48 unsigned short e_ip; /* Initial IP value, 0x0 */ 49 unsigned short e_cs; /* Initial (relative) CS value, 0x0 */ 50 unsigned short e_lfarlc; /* File address of relocation table, 0x40 */ 51 unsigned short e_ovno; /* Overlay number, 0x0 */ 52 unsigned short e_res[4]; /* Reserved words, all 0x0 */ 53 unsigned short e_oemid; /* OEM identifier (for e_oeminfo), 0x0 */ 54 unsigned short e_oeminfo; /* OEM information; e_oemid specific, 0x0 */ 55 unsigned short e_res2[10]; /* Reserved words, all 0x0 */ 56 bfd_vma e_lfanew; /* File address of new exe header, 0x80 */ 57 unsigned long dos_message[16]; /* text which always follows dos header */ 58 bfd_vma nt_signature; /* required NT signature, 0x4550 */ 59 }; 60 61 struct internal_filehdr 62 { 63 struct internal_extra_pe_filehdr pe; 64 65 /* Standard coff internal info. */ 66 unsigned short f_magic; /* magic number */ 67 unsigned short f_nscns; /* number of sections */ 68 long f_timdat; /* time & date stamp */ 69 bfd_vma f_symptr; /* file pointer to symtab */ 70 long f_nsyms; /* number of symtab entries */ 71 unsigned short f_opthdr; /* sizeof(optional hdr) */ 72 unsigned short f_flags; /* flags */ 73 unsigned short f_target_id; /* (TI COFF specific) */ 74 }; 75 76 77 /* Bits for f_flags: 78 F_RELFLG relocation info stripped from file 79 F_EXEC file is executable (no unresolved external references) 80 F_LNNO line numbers stripped from file 81 F_LSYMS local symbols stripped from file 82 F_AR16WR file is 16-bit little-endian 83 F_AR32WR file is 32-bit little-endian 84 F_AR32W file is 32-bit big-endian 85 F_DYNLOAD rs/6000 aix: dynamically loadable w/imports & exports 86 F_SHROBJ rs/6000 aix: file is a shared object 87 F_DLL PE format DLL. */ 88 89 #define F_RELFLG (0x0001) 90 #define F_EXEC (0x0002) 91 #define F_LNNO (0x0004) 92 #define F_LSYMS (0x0008) 93 #define F_AR16WR (0x0080) 94 #define F_AR32WR (0x0100) 95 #define F_AR32W (0x0200) 96 #define F_DYNLOAD (0x1000) 97 #define F_SHROBJ (0x2000) 98 #define F_DLL (0x2000) 99 100 /* Extra structure which is used in the optional header. */ 101 typedef struct _IMAGE_DATA_DIRECTORY 102 { 103 bfd_vma VirtualAddress; 104 long Size; 105 } IMAGE_DATA_DIRECTORY; 106 #define PE_EXPORT_TABLE 0 107 #define PE_IMPORT_TABLE 1 108 #define PE_RESOURCE_TABLE 2 109 #define PE_EXCEPTION_TABLE 3 110 #define PE_CERTIFICATE_TABLE 4 111 #define PE_BASE_RELOCATION_TABLE 5 112 #define PE_DEBUG_DATA 6 113 #define PE_ARCHITECTURE 7 114 #define PE_GLOBAL_PTR 8 115 #define PE_TLS_TABLE 9 116 #define PE_LOAD_CONFIG_TABLE 10 117 #define PE_BOUND_IMPORT_TABLE 11 118 #define PE_IMPORT_ADDRESS_TABLE 12 119 #define PE_DELAY_IMPORT_DESCRIPTOR 13 120 #define PE_CLR_RUNTIME_HEADER 14 121 /* DataDirectory[15] is currently reserved, so no define. */ 122 #define IMAGE_NUMBEROF_DIRECTORY_ENTRIES 16 123 124 /* Default image base for NT. */ 125 #define NT_EXE_IMAGE_BASE 0x400000 126 #define NT_DLL_IMAGE_BASE 0x10000000 127 128 /* Default image base for BeOS. */ 129 #define BEOS_EXE_IMAGE_BASE 0x80000000 130 #define BEOS_DLL_IMAGE_BASE 0x10000000 131 132 /* Extra stuff in a PE aouthdr */ 133 134 #define PE_DEF_SECTION_ALIGNMENT 0x1000 135 #ifndef PE_DEF_FILE_ALIGNMENT 136 # define PE_DEF_FILE_ALIGNMENT 0x200 137 #endif 138 139 struct internal_extra_pe_aouthdr 140 { 141 /* FIXME: The following entries are in AOUTHDR. But they aren't 142 available internally in bfd. We add them here so that objdump 143 can dump them. */ 144 /* The state of the image file */ 145 short Magic; 146 /* Linker major version number */ 147 char MajorLinkerVersion; 148 /* Linker minor version number */ 149 char MinorLinkerVersion; 150 /* Total size of all code sections */ 151 long SizeOfCode; 152 /* Total size of all initialized data sections */ 153 long SizeOfInitializedData; 154 /* Total size of all uninitialized data sections */ 155 long SizeOfUninitializedData; 156 /* Address of entry point relative to image base. */ 157 bfd_vma AddressOfEntryPoint; 158 /* Address of the first code section relative to image base. */ 159 bfd_vma BaseOfCode; 160 /* Address of the first data section relative to image base. */ 161 bfd_vma BaseOfData; 162 163 /* PE stuff */ 164 bfd_vma ImageBase; /* address of specific location in memory that 165 file is located, NT default 0x10000 */ 166 167 bfd_vma SectionAlignment; /* section alignment default 0x1000 */ 168 bfd_vma FileAlignment; /* file alignment default 0x200 */ 169 short MajorOperatingSystemVersion; /* minimum version of the operating */ 170 short MinorOperatingSystemVersion; /* system req'd for exe, default to 1*/ 171 short MajorImageVersion; /* user defineable field to store version of */ 172 short MinorImageVersion; /* exe or dll being created, default to 0 */ 173 short MajorSubsystemVersion; /* minimum subsystem version required to */ 174 short MinorSubsystemVersion; /* run exe; default to 3.1 */ 175 long Reserved1; /* seems to be 0 */ 176 long SizeOfImage; /* size of memory to allocate for prog */ 177 long SizeOfHeaders; /* size of PE header and section table */ 178 long CheckSum; /* set to 0 */ 179 short Subsystem; 180 181 /* type of subsystem exe uses for user interface, 182 possible values: 183 1 - NATIVE Doesn't require a subsystem 184 2 - WINDOWS_GUI runs in Windows GUI subsystem 185 3 - WINDOWS_CUI runs in Windows char sub. (console app) 186 5 - OS2_CUI runs in OS/2 character subsystem 187 7 - POSIX_CUI runs in Posix character subsystem */ 188 short DllCharacteristics; /* flags for DLL init, use 0 */ 189 bfd_vma SizeOfStackReserve; /* amount of memory to reserve */ 190 bfd_vma SizeOfStackCommit; /* amount of memory initially committed for 191 initial thread's stack, default is 0x1000 */ 192 bfd_vma SizeOfHeapReserve; /* amount of virtual memory to reserve and */ 193 bfd_vma SizeOfHeapCommit; /* commit, don't know what to defaut it to */ 194 long LoaderFlags; /* can probably set to 0 */ 195 long NumberOfRvaAndSizes; /* number of entries in next entry, 16 */ 196 IMAGE_DATA_DIRECTORY DataDirectory[IMAGE_NUMBEROF_DIRECTORY_ENTRIES]; 197 }; 198 199 /********************** AOUT "OPTIONAL HEADER" **********************/ 200 struct internal_aouthdr 201 { 202 short magic; /* type of file */ 203 short vstamp; /* version stamp */ 204 bfd_vma tsize; /* text size in bytes, padded to FW bdry*/ 205 bfd_vma dsize; /* initialized data " " */ 206 bfd_vma bsize; /* uninitialized data " " */ 207 bfd_vma entry; /* entry pt. */ 208 bfd_vma text_start; /* base of text used for this file */ 209 bfd_vma data_start; /* base of data used for this file */ 210 211 /* i960 stuff */ 212 unsigned long tagentries; /* number of tag entries to follow */ 213 214 /* RS/6000 stuff */ 215 bfd_vma o_toc; /* address of TOC */ 216 short o_snentry; /* section number for entry point */ 217 short o_sntext; /* section number for text */ 218 short o_sndata; /* section number for data */ 219 short o_sntoc; /* section number for toc */ 220 short o_snloader; /* section number for loader section */ 221 short o_snbss; /* section number for bss */ 222 short o_algntext; /* max alignment for text */ 223 short o_algndata; /* max alignment for data */ 224 short o_modtype; /* Module type field, 1R,RE,RO */ 225 short o_cputype; /* Encoded CPU type */ 226 bfd_vma o_maxstack; /* max stack size allowed. */ 227 bfd_vma o_maxdata; /* max data size allowed. */ 228 229 /* ECOFF stuff */ 230 bfd_vma bss_start; /* Base of bss section. */ 231 bfd_vma gp_value; /* GP register value. */ 232 unsigned long gprmask; /* General registers used. */ 233 unsigned long cprmask[4]; /* Coprocessor registers used. */ 234 unsigned long fprmask; /* Floating pointer registers used. */ 235 236 /* Apollo stuff */ 237 long o_inlib; /* inlib data */ 238 long o_sri; /* Static Resource Information */ 239 long vid[2]; /* Version id */ 240 241 struct internal_extra_pe_aouthdr pe; 242 }; 243 244 /********************** STORAGE CLASSES **********************/ 245 246 /* This used to be defined as -1, but now n_sclass is unsigned. */ 247 #define C_EFCN 0xff /* physical end of function */ 248 #define C_NULL 0 249 #define C_AUTO 1 /* automatic variable */ 250 #define C_EXT 2 /* external symbol */ 251 #define C_STAT 3 /* static */ 252 #define C_REG 4 /* register variable */ 253 #define C_EXTDEF 5 /* external definition */ 254 #define C_LABEL 6 /* label */ 255 #define C_ULABEL 7 /* undefined label */ 256 #define C_MOS 8 /* member of structure */ 257 #define C_ARG 9 /* function argument */ 258 #define C_STRTAG 10 /* structure tag */ 259 #define C_MOU 11 /* member of union */ 260 #define C_UNTAG 12 /* union tag */ 261 #define C_TPDEF 13 /* type definition */ 262 #define C_USTATIC 14 /* undefined static */ 263 #define C_ENTAG 15 /* enumeration tag */ 264 #define C_MOE 16 /* member of enumeration */ 265 #define C_REGPARM 17 /* register parameter */ 266 #define C_FIELD 18 /* bit field */ 267 #define C_AUTOARG 19 /* auto argument */ 268 #define C_LASTENT 20 /* dummy entry (end of block) */ 269 #define C_BLOCK 100 /* ".bb" or ".eb" */ 270 #define C_FCN 101 /* ".bf" or ".ef" */ 271 #define C_EOS 102 /* end of structure */ 272 #define C_FILE 103 /* file name */ 273 #define C_LINE 104 /* line # reformatted as symbol table entry */ 274 #define C_ALIAS 105 /* duplicate tag */ 275 #define C_HIDDEN 106 /* ext symbol in dmert public lib */ 276 277 #if defined _AIX52 || defined AIX_WEAK_SUPPORT 278 #define C_WEAKEXT 111 /* weak symbol -- AIX standard. */ 279 #else 280 #define C_WEAKEXT 127 /* weak symbol -- GNU extension. */ 281 #endif 282 283 /* New storage classes for TI COFF */ 284 #define C_UEXT 19 /* Tentative external definition */ 285 #define C_STATLAB 20 /* Static load time label */ 286 #define C_EXTLAB 21 /* External load time label */ 287 #define C_SYSTEM 23 /* System Wide variable */ 288 289 /* New storage classes for WINDOWS_NT */ 290 #define C_SECTION 104 /* section name */ 291 #define C_NT_WEAK 105 /* weak external */ 292 293 /* New storage classes for 80960 */ 294 295 /* C_LEAFPROC is obsolete. Use C_LEAFEXT or C_LEAFSTAT */ 296 #define C_LEAFPROC 108 /* Leaf procedure, "call" via BAL */ 297 298 #define C_SCALL 107 /* Procedure reachable via system call */ 299 #define C_LEAFEXT 108 /* External leaf */ 300 #define C_LEAFSTAT 113 /* Static leaf */ 301 #define C_OPTVAR 109 /* Optimized variable */ 302 #define C_DEFINE 110 /* Preprocessor #define */ 303 #define C_PRAGMA 111 /* Advice to compiler or linker */ 304 #define C_SEGMENT 112 /* 80960 segment name */ 305 306 /* Storage classes for m88k */ 307 #define C_SHADOW 107 /* shadow symbol */ 308 #define C_VERSION 108 /* coff version symbol */ 309 310 /* New storage classes for RS/6000 */ 311 #define C_HIDEXT 107 /* Un-named external symbol */ 312 #define C_BINCL 108 /* Marks beginning of include file */ 313 #define C_EINCL 109 /* Marks ending of include file */ 314 315 /* storage classes for stab symbols for RS/6000 */ 316 #define C_GSYM (0x80) 317 #define C_LSYM (0x81) 318 #define C_PSYM (0x82) 319 #define C_RSYM (0x83) 320 #define C_RPSYM (0x84) 321 #define C_STSYM (0x85) 322 #define C_TCSYM (0x86) 323 #define C_BCOMM (0x87) 324 #define C_ECOML (0x88) 325 #define C_ECOMM (0x89) 326 #define C_DECL (0x8c) 327 #define C_ENTRY (0x8d) 328 #define C_FUN (0x8e) 329 #define C_BSTAT (0x8f) 330 #define C_ESTAT (0x90) 331 332 /* Storage classes for Thumb symbols */ 333 #define C_THUMBEXT (128 + C_EXT) /* 130 */ 334 #define C_THUMBSTAT (128 + C_STAT) /* 131 */ 335 #define C_THUMBLABEL (128 + C_LABEL) /* 134 */ 336 #define C_THUMBEXTFUNC (C_THUMBEXT + 20) /* 150 */ 337 #define C_THUMBSTATFUNC (C_THUMBSTAT + 20) /* 151 */ 338 339 /********************** SECTION HEADER **********************/ 340 341 #define SCNNMLEN (8) 342 343 struct internal_scnhdr 344 { 345 char s_name[SCNNMLEN]; /* section name */ 346 347 /* Physical address, aliased s_nlib. 348 In the pei format, this field is the virtual section size 349 (the size of the section after being loaded int memory), 350 NOT the physical address. */ 351 bfd_vma s_paddr; 352 353 bfd_vma s_vaddr; /* virtual address */ 354 bfd_vma s_size; /* section size */ 355 bfd_vma s_scnptr; /* file ptr to raw data for section */ 356 bfd_vma s_relptr; /* file ptr to relocation */ 357 bfd_vma s_lnnoptr; /* file ptr to line numbers */ 358 unsigned long s_nreloc; /* number of relocation entries */ 359 unsigned long s_nlnno; /* number of line number entries*/ 360 long s_flags; /* flags */ 361 long s_align; /* used on I960 */ 362 unsigned char s_page; /* TI COFF load page */ 363 }; 364 365 /* s_flags "type". */ 366 #define STYP_REG (0x0000) /* "regular": allocated, relocated, loaded */ 367 #define STYP_DSECT (0x0001) /* "dummy": relocated only*/ 368 #define STYP_NOLOAD (0x0002) /* "noload": allocated, relocated, not loaded */ 369 #define STYP_GROUP (0x0004) /* "grouped": formed of input sections */ 370 #define STYP_PAD (0x0008) /* "padding": not allocated, not relocated, loaded */ 371 #define STYP_COPY (0x0010) /* "copy": for decision function used by field update; not allocated, not relocated, 372 loaded; reloc & lineno entries processed normally */ 373 #define STYP_TEXT (0x0020) /* section contains text only */ 374 #define S_SHRSEG (0x0020) /* In 3b Update files (output of ogen), sections which appear in SHARED segments of the Pfile 375 will have the S_SHRSEG flag set by ogen, to inform dufr that updating 1 copy of the proc. will 376 update all process invocations. */ 377 #define STYP_DATA (0x0040) /* section contains data only */ 378 #define STYP_BSS (0x0080) /* section contains bss only */ 379 #define S_NEWFCN (0x0100) /* In a minimal file or an update file, a new function (as compared with a replaced function) */ 380 #define STYP_INFO (0x0200) /* comment: not allocated not relocated, not loaded */ 381 #define STYP_OVER (0x0400) /* overlay: relocated not allocated or loaded */ 382 #define STYP_LIB (0x0800) /* for .lib: same as INFO */ 383 #define STYP_MERGE (0x2000) /* merge section -- combines with text, data or bss sections only */ 384 #define STYP_REVERSE_PAD (0x4000) /* section will be padded with no-op instructions 385 wherever padding is necessary and there is a 386 word of contiguous bytes beginning on a word 387 boundary. */ 388 389 #define STYP_LIT 0x8020 /* Literal data (like STYP_TEXT) */ 390 391 392 /********************** LINE NUMBERS **********************/ 393 394 /* 1 line number entry for every "breakpointable" source line in a section. 395 Line numbers are grouped on a per function basis; first entry in a function 396 grouping will have l_lnno = 0 and in place of physical address will be the 397 symbol table index of the function name. */ 398 399 struct internal_lineno 400 { 401 union 402 { 403 bfd_signed_vma l_symndx; /* function name symbol index, iff l_lnno == 0*/ 404 bfd_signed_vma l_paddr; /* (physical) address of line number */ 405 } l_addr; 406 unsigned long l_lnno; /* line number */ 407 }; 408 409 /********************** SYMBOLS **********************/ 410 411 #define SYMNMLEN 8 /* # characters in a symbol name */ 412 #define FILNMLEN 14 /* # characters in a file name */ 413 #define DIMNUM 4 /* # array dimensions in auxiliary entry */ 414 415 struct internal_syment 416 { 417 union 418 { 419 char _n_name[SYMNMLEN]; /* old COFF version */ 420 struct 421 { 422 bfd_hostptr_t _n_zeroes; /* new == 0 */ 423 bfd_hostptr_t _n_offset; /* offset into string table */ 424 } _n_n; 425 char *_n_nptr[2]; /* allows for overlaying */ 426 } _n; 427 bfd_vma n_value; /* value of symbol */ 428 short n_scnum; /* section number */ 429 unsigned short n_flags; /* copy of flags from filhdr */ 430 unsigned short n_type; /* type and derived type */ 431 unsigned char n_sclass; /* storage class */ 432 unsigned char n_numaux; /* number of aux. entries */ 433 }; 434 435 #define n_name _n._n_name 436 #define n_zeroes _n._n_n._n_zeroes 437 #define n_offset _n._n_n._n_offset 438 439 /* Relocatable symbols have number of the section in which they are defined, 440 or one of the following: */ 441 442 #define N_UNDEF ((short)0) /* undefined symbol */ 443 #define N_ABS ((short)-1) /* value of symbol is absolute */ 444 #define N_DEBUG ((short)-2) /* debugging symbol -- value is meaningless */ 445 #define N_TV ((short)-3) /* indicates symbol needs preload transfer vector */ 446 #define P_TV ((short)-4) /* indicates symbol needs postload transfer vector*/ 447 448 /* Type of a symbol, in low N bits of the word. */ 449 450 #define T_NULL 0 451 #define T_VOID 1 /* function argument (only used by compiler) */ 452 #define T_CHAR 2 /* character */ 453 #define T_SHORT 3 /* short integer */ 454 #define T_INT 4 /* integer */ 455 #define T_LONG 5 /* long integer */ 456 #define T_FLOAT 6 /* floating point */ 457 #define T_DOUBLE 7 /* double word */ 458 #define T_STRUCT 8 /* structure */ 459 #define T_UNION 9 /* union */ 460 #define T_ENUM 10 /* enumeration */ 461 #define T_MOE 11 /* member of enumeration*/ 462 #define T_UCHAR 12 /* unsigned character */ 463 #define T_USHORT 13 /* unsigned short */ 464 #define T_UINT 14 /* unsigned integer */ 465 #define T_ULONG 15 /* unsigned long */ 466 #define T_LNGDBL 16 /* long double */ 467 468 /* Derived types, in n_type. */ 469 470 #define DT_NON (0) /* no derived type */ 471 #define DT_PTR (1) /* pointer */ 472 #define DT_FCN (2) /* function */ 473 #define DT_ARY (3) /* array */ 474 475 #define BTYPE(x) ((x) & N_BTMASK) 476 #define DTYPE(x) (((x) & N_TMASK) >> N_BTSHFT) 477 478 #define ISPTR(x) \ 479 (((unsigned long) (x) & N_TMASK) == ((unsigned long) DT_PTR << N_BTSHFT)) 480 #define ISFCN(x) \ 481 (((unsigned long) (x) & N_TMASK) == ((unsigned long) DT_FCN << N_BTSHFT)) 482 #define ISARY(x) \ 483 (((unsigned long) (x) & N_TMASK) == ((unsigned long) DT_ARY << N_BTSHFT)) 484 #define ISTAG(x) \ 485 ((x) == C_STRTAG || (x) == C_UNTAG || (x) == C_ENTAG) 486 #define DECREF(x) \ 487 ((((x) >> N_TSHIFT) & ~ N_BTMASK) | ((x) & N_BTMASK)) 488 489 union internal_auxent 490 { 491 struct 492 { 493 494 union 495 { 496 long l; /* str, un, or enum tag indx */ 497 struct coff_ptr_struct *p; 498 } x_tagndx; 499 500 union 501 { 502 struct 503 { 504 unsigned short x_lnno; /* declaration line number */ 505 unsigned short x_size; /* str/union/array size */ 506 } x_lnsz; 507 long x_fsize; /* size of function */ 508 } x_misc; 509 510 union 511 { 512 struct 513 { /* if ISFCN, tag, or .bb */ 514 bfd_signed_vma x_lnnoptr; /* ptr to fcn line # */ 515 union 516 { /* entry ndx past block end */ 517 long l; 518 struct coff_ptr_struct *p; 519 } x_endndx; 520 } x_fcn; 521 522 struct 523 { /* if ISARY, up to 4 dimen. */ 524 unsigned short x_dimen[DIMNUM]; 525 } x_ary; 526 } x_fcnary; 527 528 unsigned short x_tvndx; /* tv index */ 529 } x_sym; 530 531 union 532 { 533 char x_fname[FILNMLEN]; 534 struct 535 { 536 long x_zeroes; 537 long x_offset; 538 } x_n; 539 } x_file; 540 541 struct 542 { 543 long x_scnlen; /* section length */ 544 unsigned short x_nreloc; /* # relocation entries */ 545 unsigned short x_nlinno; /* # line numbers */ 546 unsigned long x_checksum; /* section COMDAT checksum for PE */ 547 unsigned short x_associated; /* COMDAT associated section index for PE */ 548 unsigned char x_comdat; /* COMDAT selection number for PE */ 549 } x_scn; 550 551 struct 552 { 553 long x_tvfill; /* tv fill value */ 554 unsigned short x_tvlen; /* length of .tv */ 555 unsigned short x_tvran[2]; /* tv range */ 556 } x_tv; /* info about .tv section (in auxent of symbol .tv)) */ 557 558 /****************************************** 559 * RS/6000-specific auxent - last auxent for every external symbol 560 ******************************************/ 561 struct 562 { 563 union 564 { /* csect length or enclosing csect */ 565 bfd_signed_vma l; 566 struct coff_ptr_struct *p; 567 } x_scnlen; 568 long x_parmhash; /* parm type hash index */ 569 unsigned short x_snhash; /* sect num with parm hash */ 570 unsigned char x_smtyp; /* symbol align and type */ 571 /* 0-4 - Log 2 of alignment */ 572 /* 5-7 - symbol type */ 573 unsigned char x_smclas; /* storage mapping class */ 574 long x_stab; /* dbx stab info index */ 575 unsigned short x_snstab; /* sect num with dbx stab */ 576 } x_csect; /* csect definition information */ 577 578 /* x_smtyp values: */ 579 580 #define SMTYP_ALIGN(x) ((x) >> 3) /* log2 of alignment */ 581 #define SMTYP_SMTYP(x) ((x) & 0x7) /* symbol type */ 582 /* Symbol type values: */ 583 #define XTY_ER 0 /* External reference */ 584 #define XTY_SD 1 /* Csect definition */ 585 #define XTY_LD 2 /* Label definition */ 586 #define XTY_CM 3 /* .BSS */ 587 #define XTY_EM 4 /* Error message */ 588 #define XTY_US 5 /* "Reserved for internal use" */ 589 590 /* x_smclas values: */ 591 592 #define XMC_PR 0 /* Read-only program code */ 593 #define XMC_RO 1 /* Read-only constant */ 594 #define XMC_DB 2 /* Read-only debug dictionary table */ 595 #define XMC_TC 3 /* Read-write general TOC entry */ 596 #define XMC_UA 4 /* Read-write unclassified */ 597 #define XMC_RW 5 /* Read-write data */ 598 #define XMC_GL 6 /* Read-only global linkage */ 599 #define XMC_XO 7 /* Read-only extended operation */ 600 #define XMC_SV 8 /* Read-only supervisor call */ 601 #define XMC_BS 9 /* Read-write BSS */ 602 #define XMC_DS 10 /* Read-write descriptor csect */ 603 #define XMC_UC 11 /* Read-write unnamed Fortran common */ 604 #define XMC_TI 12 /* Read-only traceback index csect */ 605 #define XMC_TB 13 /* Read-only traceback table csect */ 606 /* 14 ??? */ 607 #define XMC_TC0 15 /* Read-write TOC anchor */ 608 #define XMC_TD 16 /* Read-write data in TOC */ 609 610 /****************************************** 611 * I960-specific *2nd* aux. entry formats 612 ******************************************/ 613 struct 614 { 615 /* This is a very old typo that keeps getting propagated. */ 616 #define x_stdindx x_stindx 617 long x_stindx; /* sys. table entry */ 618 } x_sc; /* system call entry */ 619 620 struct 621 { 622 unsigned long x_balntry; /* BAL entry point */ 623 } x_bal; /* BAL-callable function */ 624 625 struct 626 { 627 unsigned long x_timestamp; /* time stamp */ 628 char x_idstring[20]; /* producer identity string */ 629 } x_ident; /* Producer ident info */ 630 631 }; 632 633 /********************** RELOCATION DIRECTIVES **********************/ 634 635 struct internal_reloc 636 { 637 bfd_vma r_vaddr; /* Virtual address of reference */ 638 long r_symndx; /* Index into symbol table */ 639 unsigned short r_type; /* Relocation type */ 640 unsigned char r_size; /* Used by RS/6000 and ECOFF */ 641 unsigned char r_extern; /* Used by ECOFF */ 642 unsigned long r_offset; /* Used by Alpha ECOFF, SPARC, others */ 643 }; 644 645 /* X86-64 relocations. */ 646 #define R_AMD64_ABS 0 /* Reference is absolute, no relocation is necessary. */ 647 #define R_AMD64_DIR64 1 /* 64-bit address (VA). */ 648 #define R_AMD64_DIR32 2 /* 32-bit address (VA) R_DIR32. */ 649 #define R_AMD64_IMAGEBASE 3 /* 32-bit absolute ref w/o base R_IMAGEBASE. */ 650 #define R_AMD64_PCRLONG 4 /* 32-bit relative address from byte following reloc R_PCRLONG. */ 651 #define R_AMD64_PCRLONG_1 5 /* 32-bit relative address from byte distance 1 from reloc. */ 652 #define R_AMD64_PCRLONG_2 6 /* 32-bit relative address from byte distance 2 from reloc. */ 653 #define R_AMD64_PCRLONG_3 7 /* 32-bit relative address from byte distance 3 from reloc. */ 654 #define R_AMD64_PCRLONG_4 8 /* 32-bit relative address from byte distance 4 from reloc. */ 655 #define R_AMD64_PCRLONG_5 9 /* 32-bit relative address from byte distance 5 from reloc. */ 656 #define R_AMD64_SECTION 10 /* Section index. */ 657 #define R_AMD64_SECREL 11 /* 32 bit offset from base of section containing target R_SECREL. */ 658 #define R_AMD64_SECREL7 12 /* 7 bit unsigned offset from base of section containing target. */ 659 #define R_AMD64_TOKEN 13 /* 32 bit metadata token. */ 660 #define R_AMD64_PCRQUAD 14 /* Pseude PC64 relocation - Note: not specified by MS/AMD but need for gas pc-relative 64bit wide relocation generated by ELF. */ 661 662 /* i386 Relocations. */ 663 664 #define R_DIR16 1 665 #define R_REL24 5 666 #define R_DIR32 6 667 #define R_IMAGEBASE 7 668 #define R_SECREL32 11 669 #define R_RELBYTE 15 670 #define R_RELWORD 16 671 #define R_RELLONG 17 672 #define R_PCRBYTE 18 673 #define R_PCRWORD 19 674 #define R_PCRLONG 20 675 #define R_PCR24 21 676 #define R_IPRSHORT 24 677 #define R_IPRLONG 26 678 #define R_GETSEG 29 679 #define R_GETPA 30 680 #define R_TAGWORD 31 681 #define R_JUMPTARG 32 /* strange 29k 00xx00xx reloc */ 682 #define R_PARTLS16 32 683 #define R_PARTMS8 33 684 685 #define R_PCR16L 128 686 #define R_PCR26L 129 687 #define R_VRT16 130 688 #define R_HVRT16 131 689 #define R_LVRT16 132 690 #define R_VRT32 133 691 692 693 /* This reloc identifies mov.b instructions with a 16bit absolute 694 address. The linker tries to turn insns with this reloc into 695 an absolute 8-bit address. */ 696 #define R_MOV16B1 0x41 697 698 /* This reloc identifies mov.b instructions which had a 16bit 699 absolute address which have been shortened into a 8-bit 700 absolute address. */ 701 #define R_MOV16B2 0x42 702 703 /* This reloc identifies jmp insns with a 16bit target address; 704 the linker tries to turn these insns into bra insns with 705 an 8bit pc-relative target. */ 706 #define R_JMP1 0x43 707 708 /* This reloc identifies a bra with an 8-bit pc-relative 709 target that was formerly a jmp insn with a 16bit target. */ 710 #define R_JMP2 0x44 711 712 /* ??? */ 713 #define R_RELLONG_NEG 0x45 714 715 /* This reloc identifies jmp insns with a 24bit target address; 716 the linker tries to turn these insns into bra insns with 717 an 8bit pc-relative target. */ 718 #define R_JMPL1 0x46 719 720 /* This reloc identifies a bra with an 8-bit pc-relative 721 target that was formerly a jmp insn with a 24bit target. */ 722 #define R_JMPL2 0x47 723 724 /* This reloc identifies mov.b instructions with a 24bit absolute 725 address. The linker tries to turn insns with this reloc into 726 an absolute 8-bit address. */ 727 728 #define R_MOV24B1 0x48 729 730 /* This reloc identifies mov.b instructions which had a 24bit 731 absolute address which have been shortened into a 8-bit 732 absolute address. */ 733 #define R_MOV24B2 0x49 734 735 /* An h8300 memory indirect jump/call. Forces the address of the jump/call 736 target into the function vector (in page zero), and the address of the 737 vector entry to be placed in the jump/call instruction. */ 738 #define R_MEM_INDIRECT 0x4a 739 740 /* This reloc identifies a 16bit pc-relative branch target which was 741 shortened into an 8bit pc-relative branch target. */ 742 #define R_PCRWORD_B 0x4b 743 744 /* This reloc identifies mov.[wl] instructions with a 32/24 bit 745 absolute address; the linker may turn this into a mov.[wl] 746 insn with a 16bit absolute address. */ 747 #define R_MOVL1 0x4c 748 749 /* This reloc identifies mov.[wl] insns which formerly had 750 a 32/24bit absolute address and now have a 16bit absolute address. */ 751 #define R_MOVL2 0x4d 752 753 /* This reloc identifies a bCC:8 which will have it's condition 754 inverted and its target redirected to the target of the branch 755 in the following insn. */ 756 #define R_BCC_INV 0x4e 757 758 /* This reloc identifies a jmp instruction that has been deleted. */ 759 #define R_JMP_DEL 0x4f 760 761 /* Z8k modes */ 762 #define R_IMM16 0x01 /* 16 bit abs */ 763 #define R_JR 0x02 /* jr 8 bit disp */ 764 #define R_IMM4L 0x23 /* low nibble */ 765 #define R_IMM8 0x22 /* 8 bit abs */ 766 #define R_IMM32 R_RELLONG /* 32 bit abs */ 767 #define R_CALL R_DA /* Absolute address which could be a callr */ 768 #define R_JP R_DA /* Absolute address which could be a jp */ 769 #define R_REL16 0x04 /* 16 bit PC rel */ 770 #define R_CALLR 0x05 /* callr 12 bit disp */ 771 #define R_SEG 0x10 /* set if in segmented mode */ 772 #define R_IMM4H 0x24 /* high nibble */ 773 #define R_DISP7 0x25 /* djnz displacement */ 774 775 /* Z80 modes */ 776 #define R_OFF8 0x32 /* 8 bit signed abs, for (i[xy]+d) */ 777 #define R_IMM24 0x33 /* 24 bit abs */ 778 /* R_JR, R_IMM8, R_IMM16, R_IMM32 - as for Z8k */ 779 780 /* H8500 modes */ 781 782 #define R_H8500_IMM8 1 /* 8 bit immediate */ 783 #define R_H8500_IMM16 2 /* 16 bit immediate */ 784 #define R_H8500_PCREL8 3 /* 8 bit pcrel */ 785 #define R_H8500_PCREL16 4 /* 16 bit pcrel */ 786 #define R_H8500_HIGH8 5 /* high 8 bits of 24 bit address */ 787 #define R_H8500_LOW16 7 /* low 16 bits of 24 bit immediate */ 788 #define R_H8500_IMM24 6 /* 24 bit immediate */ 789 #define R_H8500_IMM32 8 /* 32 bit immediate */ 790 #define R_H8500_HIGH16 9 /* high 16 bits of 32 bit immediate */ 791 792 /* W65 modes */ 793 794 #define R_W65_ABS8 1 /* addr & 0xff */ 795 #define R_W65_ABS16 2 /* addr & 0xffff */ 796 #define R_W65_ABS24 3 /* addr & 0xffffff */ 797 798 #define R_W65_ABS8S8 4 /* (addr >> 8) & 0xff */ 799 #define R_W65_ABS8S16 5 /* (addr >> 16) & 0xff */ 800 801 #define R_W65_ABS16S8 6 /* (addr >> 8) & 0ffff */ 802 #define R_W65_ABS16S16 7 /* (addr >> 16) & 0ffff */ 803 804 #define R_W65_PCR8 8 805 #define R_W65_PCR16 9 806 807 #define R_W65_DP 10 /* direct page 8 bits only */ 808 809 #endif /* GNU_COFF_INTERNAL_H */ 810