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