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 2001 Free Software Foundation, Inc. 5 6 This program is free software; you can redistribute it and/or modify 7 it under the terms of the GNU General Public License as published by 8 the Free Software Foundation; either version 2 of the License, or 9 (at your option) any later version. 10 11 This program is distributed in the hope that it will be useful, 12 but WITHOUT ANY WARRANTY; without even the implied warranty of 13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 GNU General Public License for more details. 15 16 You should have received a copy of the GNU General Public License 17 along with this program; if not, write to the Free Software 18 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ 19 20 #ifndef GNU_COFF_INTERNAL_H 21 #define GNU_COFF_INTERNAL_H 1 22 23 /* First, make "signed char" work, even on old compilers. */ 24 #ifndef signed 25 #ifndef __STDC__ 26 #define signed /**/ 27 #endif 28 #endif 29 30 /********************** FILE HEADER **********************/ 31 32 /* extra stuff in a PE header. */ 33 34 struct internal_extra_pe_filehdr 35 { 36 /* DOS header data follows for PE stuff */ 37 unsigned short e_magic; /* Magic number, 0x5a4d */ 38 unsigned short e_cblp; /* Bytes on last page of file, 0x90 */ 39 unsigned short e_cp; /* Pages in file, 0x3 */ 40 unsigned short e_crlc; /* Relocations, 0x0 */ 41 unsigned short e_cparhdr; /* Size of header in paragraphs, 0x4 */ 42 unsigned short e_minalloc; /* Minimum extra paragraphs needed, 0x0 */ 43 unsigned short e_maxalloc; /* Maximum extra paragraphs needed, 0xFFFF */ 44 unsigned short e_ss; /* Initial (relative) SS value, 0x0 */ 45 unsigned short e_sp; /* Initial SP value, 0xb8 */ 46 unsigned short e_csum; /* Checksum, 0x0 */ 47 unsigned short e_ip; /* Initial IP value, 0x0 */ 48 unsigned short e_cs; /* Initial (relative) CS value, 0x0 */ 49 unsigned short e_lfarlc; /* File address of relocation table, 0x40 */ 50 unsigned short e_ovno; /* Overlay number, 0x0 */ 51 unsigned short e_res[4]; /* Reserved words, all 0x0 */ 52 unsigned short e_oemid; /* OEM identifier (for e_oeminfo), 0x0 */ 53 unsigned short e_oeminfo; /* OEM information; e_oemid specific, 0x0 */ 54 unsigned short e_res2[10]; /* Reserved words, all 0x0 */ 55 bfd_vma e_lfanew; /* File address of new exe header, 0x80 */ 56 unsigned long dos_message[16]; /* text which always follows dos header */ 57 bfd_vma nt_signature; /* required NT signature, 0x4550 */ 58 }; 59 60 struct internal_filehdr 61 { 62 struct internal_extra_pe_filehdr pe; 63 64 /* Standard coff internal info. */ 65 unsigned short f_magic; /* magic number */ 66 unsigned short f_nscns; /* number of sections */ 67 long f_timdat; /* time & date stamp */ 68 bfd_vma f_symptr; /* file pointer to symtab */ 69 long f_nsyms; /* number of symtab entries */ 70 unsigned short f_opthdr; /* sizeof(optional hdr) */ 71 unsigned short f_flags; /* flags */ 72 unsigned short f_target_id; /* (TI COFF specific) */ 73 }; 74 75 76 /* Bits for f_flags: 77 F_RELFLG relocation info stripped from file 78 F_EXEC file is executable (no unresolved external references) 79 F_LNNO line numbers stripped from file 80 F_LSYMS local symbols stripped from file 81 F_AR16WR file is 16-bit little-endian 82 F_AR32WR file is 32-bit little-endian 83 F_AR32W file is 32-bit big-endian 84 F_DYNLOAD rs/6000 aix: dynamically loadable w/imports & exports 85 F_SHROBJ rs/6000 aix: file is a shared object 86 F_DLL PE format DLL. */ 87 88 #define F_RELFLG (0x0001) 89 #define F_EXEC (0x0002) 90 #define F_LNNO (0x0004) 91 #define F_LSYMS (0x0008) 92 #define F_AR16WR (0x0080) 93 #define F_AR32WR (0x0100) 94 #define F_AR32W (0x0200) 95 #define F_DYNLOAD (0x1000) 96 #define F_SHROBJ (0x2000) 97 #define F_DLL (0x2000) 98 99 /* Extra structure which is used in the optional header. */ 100 typedef struct _IMAGE_DATA_DIRECTORY 101 { 102 bfd_vma VirtualAddress; 103 long Size; 104 } IMAGE_DATA_DIRECTORY; 105 #define IMAGE_NUMBEROF_DIRECTORY_ENTRIES 16 106 107 /* Default image base for NT. */ 108 #define NT_EXE_IMAGE_BASE 0x400000 109 #define NT_DLL_IMAGE_BASE 0x10000000 110 111 /* Default image base for BeOS. */ 112 #define BEOS_EXE_IMAGE_BASE 0x80000000 113 #define BEOS_DLL_IMAGE_BASE 0x10000000 114 115 /* Extra stuff in a PE aouthdr */ 116 117 #define PE_DEF_SECTION_ALIGNMENT 0x1000 118 #ifndef PE_DEF_FILE_ALIGNMENT 119 # define PE_DEF_FILE_ALIGNMENT 0x200 120 #endif 121 122 struct internal_extra_pe_aouthdr 123 { 124 /* PE stuff */ 125 bfd_vma ImageBase; /* address of specific location in memory that 126 file is located, NT default 0x10000 */ 127 128 bfd_vma SectionAlignment; /* section alignment default 0x1000 */ 129 bfd_vma FileAlignment; /* file alignment default 0x200 */ 130 short MajorOperatingSystemVersion; /* minimum version of the operating */ 131 short MinorOperatingSystemVersion; /* system req'd for exe, default to 1*/ 132 short MajorImageVersion; /* user defineable field to store version of */ 133 short MinorImageVersion; /* exe or dll being created, default to 0 */ 134 short MajorSubsystemVersion; /* minimum subsystem version required to */ 135 short MinorSubsystemVersion; /* run exe; default to 3.1 */ 136 long Reserved1; /* seems to be 0 */ 137 long SizeOfImage; /* size of memory to allocate for prog */ 138 long SizeOfHeaders; /* size of PE header and section table */ 139 long CheckSum; /* set to 0 */ 140 short Subsystem; 141 142 /* type of subsystem exe uses for user interface, 143 possible values: 144 1 - NATIVE Doesn't require a subsystem 145 2 - WINDOWS_GUI runs in Windows GUI subsystem 146 3 - WINDOWS_CUI runs in Windows char sub. (console app) 147 5 - OS2_CUI runs in OS/2 character subsystem 148 7 - POSIX_CUI runs in Posix character subsystem */ 149 short DllCharacteristics; /* flags for DLL init, use 0 */ 150 bfd_vma SizeOfStackReserve; /* amount of memory to reserve */ 151 bfd_vma SizeOfStackCommit; /* amount of memory initially committed for 152 initial thread's stack, default is 0x1000 */ 153 bfd_vma SizeOfHeapReserve; /* amount of virtual memory to reserve and */ 154 bfd_vma SizeOfHeapCommit; /* commit, don't know what to defaut it to */ 155 long LoaderFlags; /* can probably set to 0 */ 156 long NumberOfRvaAndSizes; /* number of entries in next entry, 16 */ 157 IMAGE_DATA_DIRECTORY DataDirectory[IMAGE_NUMBEROF_DIRECTORY_ENTRIES]; 158 }; 159 160 /********************** AOUT "OPTIONAL HEADER" **********************/ 161 struct internal_aouthdr 162 { 163 short magic; /* type of file */ 164 short vstamp; /* version stamp */ 165 bfd_vma tsize; /* text size in bytes, padded to FW bdry*/ 166 bfd_vma dsize; /* initialized data " " */ 167 bfd_vma bsize; /* uninitialized data " " */ 168 bfd_vma entry; /* entry pt. */ 169 bfd_vma text_start; /* base of text used for this file */ 170 bfd_vma data_start; /* base of data used for this file */ 171 172 /* i960 stuff */ 173 unsigned long tagentries; /* number of tag entries to follow */ 174 175 /* RS/6000 stuff */ 176 bfd_vma o_toc; /* address of TOC */ 177 short o_snentry; /* section number for entry point */ 178 short o_sntext; /* section number for text */ 179 short o_sndata; /* section number for data */ 180 short o_sntoc; /* section number for toc */ 181 short o_snloader; /* section number for loader section */ 182 short o_snbss; /* section number for bss */ 183 short o_algntext; /* max alignment for text */ 184 short o_algndata; /* max alignment for data */ 185 short o_modtype; /* Module type field, 1R,RE,RO */ 186 short o_cputype; /* Encoded CPU type */ 187 bfd_vma o_maxstack; /* max stack size allowed. */ 188 bfd_vma o_maxdata; /* max data size allowed. */ 189 190 /* ECOFF stuff */ 191 bfd_vma bss_start; /* Base of bss section. */ 192 bfd_vma gp_value; /* GP register value. */ 193 unsigned long gprmask; /* General registers used. */ 194 unsigned long cprmask[4]; /* Coprocessor registers used. */ 195 unsigned long fprmask; /* Floating pointer registers used. */ 196 197 /* Apollo stuff */ 198 long o_inlib; /* inlib data */ 199 long o_sri; /* Static Resource Information */ 200 long vid[2]; /* Version id */ 201 202 struct internal_extra_pe_aouthdr pe; 203 }; 204 205 /********************** STORAGE CLASSES **********************/ 206 207 /* This used to be defined as -1, but now n_sclass is unsigned. */ 208 #define C_EFCN 0xff /* physical end of function */ 209 #define C_NULL 0 210 #define C_AUTO 1 /* automatic variable */ 211 #define C_EXT 2 /* external symbol */ 212 #define C_STAT 3 /* static */ 213 #define C_REG 4 /* register variable */ 214 #define C_EXTDEF 5 /* external definition */ 215 #define C_LABEL 6 /* label */ 216 #define C_ULABEL 7 /* undefined label */ 217 #define C_MOS 8 /* member of structure */ 218 #define C_ARG 9 /* function argument */ 219 #define C_STRTAG 10 /* structure tag */ 220 #define C_MOU 11 /* member of union */ 221 #define C_UNTAG 12 /* union tag */ 222 #define C_TPDEF 13 /* type definition */ 223 #define C_USTATIC 14 /* undefined static */ 224 #define C_ENTAG 15 /* enumeration tag */ 225 #define C_MOE 16 /* member of enumeration */ 226 #define C_REGPARM 17 /* register parameter */ 227 #define C_FIELD 18 /* bit field */ 228 #define C_AUTOARG 19 /* auto argument */ 229 #define C_LASTENT 20 /* dummy entry (end of block) */ 230 #define C_BLOCK 100 /* ".bb" or ".eb" */ 231 #define C_FCN 101 /* ".bf" or ".ef" */ 232 #define C_EOS 102 /* end of structure */ 233 #define C_FILE 103 /* file name */ 234 #define C_LINE 104 /* line # reformatted as symbol table entry */ 235 #define C_ALIAS 105 /* duplicate tag */ 236 #define C_HIDDEN 106 /* ext symbol in dmert public lib */ 237 238 #if defined _AIX52 || defined AIX_WEAK_SUPPORT 239 #define C_WEAKEXT 111 /* weak symbol -- AIX standard. */ 240 #else 241 #define C_WEAKEXT 127 /* weak symbol -- GNU extension. */ 242 #endif 243 244 /* New storage classes for TI COFF */ 245 #define C_UEXT 19 /* Tentative external definition */ 246 #define C_STATLAB 20 /* Static load time label */ 247 #define C_EXTLAB 21 /* External load time label */ 248 #define C_SYSTEM 23 /* System Wide variable */ 249 250 /* New storage classes for WINDOWS_NT */ 251 #define C_SECTION 104 /* section name */ 252 #define C_NT_WEAK 105 /* weak external */ 253 254 /* New storage classes for 80960 */ 255 256 /* C_LEAFPROC is obsolete. Use C_LEAFEXT or C_LEAFSTAT */ 257 #define C_LEAFPROC 108 /* Leaf procedure, "call" via BAL */ 258 259 #define C_SCALL 107 /* Procedure reachable via system call */ 260 #define C_LEAFEXT 108 /* External leaf */ 261 #define C_LEAFSTAT 113 /* Static leaf */ 262 #define C_OPTVAR 109 /* Optimized variable */ 263 #define C_DEFINE 110 /* Preprocessor #define */ 264 #define C_PRAGMA 111 /* Advice to compiler or linker */ 265 #define C_SEGMENT 112 /* 80960 segment name */ 266 267 /* Storage classes for m88k */ 268 #define C_SHADOW 107 /* shadow symbol */ 269 #define C_VERSION 108 /* coff version symbol */ 270 271 /* New storage classes for RS/6000 */ 272 #define C_HIDEXT 107 /* Un-named external symbol */ 273 #define C_BINCL 108 /* Marks beginning of include file */ 274 #define C_EINCL 109 /* Marks ending of include file */ 275 276 /* storage classes for stab symbols for RS/6000 */ 277 #define C_GSYM (0x80) 278 #define C_LSYM (0x81) 279 #define C_PSYM (0x82) 280 #define C_RSYM (0x83) 281 #define C_RPSYM (0x84) 282 #define C_STSYM (0x85) 283 #define C_TCSYM (0x86) 284 #define C_BCOMM (0x87) 285 #define C_ECOML (0x88) 286 #define C_ECOMM (0x89) 287 #define C_DECL (0x8c) 288 #define C_ENTRY (0x8d) 289 #define C_FUN (0x8e) 290 #define C_BSTAT (0x8f) 291 #define C_ESTAT (0x90) 292 293 /* Storage classes for Thumb symbols */ 294 #define C_THUMBEXT (128 + C_EXT) /* 130 */ 295 #define C_THUMBSTAT (128 + C_STAT) /* 131 */ 296 #define C_THUMBLABEL (128 + C_LABEL) /* 134 */ 297 #define C_THUMBEXTFUNC (C_THUMBEXT + 20) /* 150 */ 298 #define C_THUMBSTATFUNC (C_THUMBSTAT + 20) /* 151 */ 299 300 /********************** SECTION HEADER **********************/ 301 302 #define SCNNMLEN (8) 303 304 struct internal_scnhdr 305 { 306 char s_name[SCNNMLEN]; /* section name */ 307 308 /* Physical address, aliased s_nlib. 309 In the pei format, this field is the virtual section size 310 (the size of the section after being loaded int memory), 311 NOT the physical address. */ 312 bfd_vma s_paddr; 313 314 bfd_vma s_vaddr; /* virtual address */ 315 bfd_vma s_size; /* section size */ 316 bfd_vma s_scnptr; /* file ptr to raw data for section */ 317 bfd_vma s_relptr; /* file ptr to relocation */ 318 bfd_vma s_lnnoptr; /* file ptr to line numbers */ 319 unsigned long s_nreloc; /* number of relocation entries */ 320 unsigned long s_nlnno; /* number of line number entries*/ 321 long s_flags; /* flags */ 322 long s_align; /* used on I960 */ 323 unsigned char s_page; /* TI COFF load page */ 324 }; 325 326 /* s_flags "type". */ 327 #define STYP_REG (0x0000) /* "regular": allocated, relocated, loaded */ 328 #define STYP_DSECT (0x0001) /* "dummy": relocated only*/ 329 #define STYP_NOLOAD (0x0002) /* "noload": allocated, relocated, not loaded */ 330 #define STYP_GROUP (0x0004) /* "grouped": formed of input sections */ 331 #define STYP_PAD (0x0008) /* "padding": not allocated, not relocated, loaded */ 332 #define STYP_COPY (0x0010) /* "copy": for decision function used by field update; not allocated, not relocated, 333 loaded; reloc & lineno entries processed normally */ 334 #define STYP_TEXT (0x0020) /* section contains text only */ 335 #define S_SHRSEG (0x0020) /* In 3b Update files (output of ogen), sections which appear in SHARED segments of the Pfile 336 will have the S_SHRSEG flag set by ogen, to inform dufr that updating 1 copy of the proc. will 337 update all process invocations. */ 338 #define STYP_DATA (0x0040) /* section contains data only */ 339 #define STYP_BSS (0x0080) /* section contains bss only */ 340 #define S_NEWFCN (0x0100) /* In a minimal file or an update file, a new function (as compared with a replaced function) */ 341 #define STYP_INFO (0x0200) /* comment: not allocated not relocated, not loaded */ 342 #define STYP_OVER (0x0400) /* overlay: relocated not allocated or loaded */ 343 #define STYP_LIB (0x0800) /* for .lib: same as INFO */ 344 #define STYP_MERGE (0x2000) /* merge section -- combines with text, data or bss sections only */ 345 #define STYP_REVERSE_PAD (0x4000) /* section will be padded with no-op instructions 346 wherever padding is necessary and there is a 347 word of contiguous bytes beginning on a word 348 boundary. */ 349 350 #define STYP_LIT 0x8020 /* Literal data (like STYP_TEXT) */ 351 352 353 /********************** LINE NUMBERS **********************/ 354 355 /* 1 line number entry for every "breakpointable" source line in a section. 356 Line numbers are grouped on a per function basis; first entry in a function 357 grouping will have l_lnno = 0 and in place of physical address will be the 358 symbol table index of the function name. */ 359 360 struct internal_lineno 361 { 362 union 363 { 364 bfd_signed_vma l_symndx; /* function name symbol index, iff l_lnno == 0*/ 365 bfd_signed_vma l_paddr; /* (physical) address of line number */ 366 } l_addr; 367 unsigned long l_lnno; /* line number */ 368 }; 369 370 /********************** SYMBOLS **********************/ 371 372 #define SYMNMLEN 8 /* # characters in a symbol name */ 373 #define FILNMLEN 14 /* # characters in a file name */ 374 #define DIMNUM 4 /* # array dimensions in auxiliary entry */ 375 376 struct internal_syment 377 { 378 union 379 { 380 char _n_name[SYMNMLEN]; /* old COFF version */ 381 struct 382 { 383 long _n_zeroes; /* new == 0 */ 384 long _n_offset; /* offset into string table */ 385 } _n_n; 386 char *_n_nptr[2]; /* allows for overlaying */ 387 } _n; 388 bfd_vma n_value; /* value of symbol */ 389 short n_scnum; /* section number */ 390 unsigned short n_flags; /* copy of flags from filhdr */ 391 unsigned short n_type; /* type and derived type */ 392 unsigned char n_sclass; /* storage class */ 393 unsigned char n_numaux; /* number of aux. entries */ 394 }; 395 396 #define n_name _n._n_name 397 #define n_zeroes _n._n_n._n_zeroes 398 #define n_offset _n._n_n._n_offset 399 400 /* Relocatable symbols have number of the section in which they are defined, 401 or one of the following: */ 402 403 #define N_UNDEF ((short)0) /* undefined symbol */ 404 #define N_ABS ((short)-1) /* value of symbol is absolute */ 405 #define N_DEBUG ((short)-2) /* debugging symbol -- value is meaningless */ 406 #define N_TV ((short)-3) /* indicates symbol needs preload transfer vector */ 407 #define P_TV ((short)-4) /* indicates symbol needs postload transfer vector*/ 408 409 /* Type of a symbol, in low N bits of the word. */ 410 411 #define T_NULL 0 412 #define T_VOID 1 /* function argument (only used by compiler) */ 413 #define T_CHAR 2 /* character */ 414 #define T_SHORT 3 /* short integer */ 415 #define T_INT 4 /* integer */ 416 #define T_LONG 5 /* long integer */ 417 #define T_FLOAT 6 /* floating point */ 418 #define T_DOUBLE 7 /* double word */ 419 #define T_STRUCT 8 /* structure */ 420 #define T_UNION 9 /* union */ 421 #define T_ENUM 10 /* enumeration */ 422 #define T_MOE 11 /* member of enumeration*/ 423 #define T_UCHAR 12 /* unsigned character */ 424 #define T_USHORT 13 /* unsigned short */ 425 #define T_UINT 14 /* unsigned integer */ 426 #define T_ULONG 15 /* unsigned long */ 427 #define T_LNGDBL 16 /* long double */ 428 429 /* Derived types, in n_type. */ 430 431 #define DT_NON (0) /* no derived type */ 432 #define DT_PTR (1) /* pointer */ 433 #define DT_FCN (2) /* function */ 434 #define DT_ARY (3) /* array */ 435 436 #define BTYPE(x) ((x) & N_BTMASK) 437 #define DTYPE(x) (((x) & N_TMASK) >> N_BTSHFT) 438 439 #define ISPTR(x) \ 440 (((unsigned long) (x) & N_TMASK) == ((unsigned long) DT_PTR << N_BTSHFT)) 441 #define ISFCN(x) \ 442 (((unsigned long) (x) & N_TMASK) == ((unsigned long) DT_FCN << N_BTSHFT)) 443 #define ISARY(x) \ 444 (((unsigned long) (x) & N_TMASK) == ((unsigned long) DT_ARY << N_BTSHFT)) 445 #define ISTAG(x) \ 446 ((x) == C_STRTAG || (x) == C_UNTAG || (x) == C_ENTAG) 447 #define DECREF(x) \ 448 ((((x) >> N_TSHIFT) & ~ N_BTMASK) | ((x) & N_BTMASK)) 449 450 union internal_auxent 451 { 452 struct 453 { 454 455 union 456 { 457 long l; /* str, un, or enum tag indx */ 458 struct coff_ptr_struct *p; 459 } x_tagndx; 460 461 union 462 { 463 struct 464 { 465 unsigned short x_lnno; /* declaration line number */ 466 unsigned short x_size; /* str/union/array size */ 467 } x_lnsz; 468 long x_fsize; /* size of function */ 469 } x_misc; 470 471 union 472 { 473 struct 474 { /* if ISFCN, tag, or .bb */ 475 bfd_signed_vma x_lnnoptr; /* ptr to fcn line # */ 476 union 477 { /* entry ndx past block end */ 478 long l; 479 struct coff_ptr_struct *p; 480 } x_endndx; 481 } x_fcn; 482 483 struct 484 { /* if ISARY, up to 4 dimen. */ 485 unsigned short x_dimen[DIMNUM]; 486 } x_ary; 487 } x_fcnary; 488 489 unsigned short x_tvndx; /* tv index */ 490 } x_sym; 491 492 union 493 { 494 char x_fname[FILNMLEN]; 495 struct 496 { 497 long x_zeroes; 498 long x_offset; 499 } x_n; 500 } x_file; 501 502 struct 503 { 504 long x_scnlen; /* section length */ 505 unsigned short x_nreloc; /* # relocation entries */ 506 unsigned short x_nlinno; /* # line numbers */ 507 unsigned long x_checksum; /* section COMDAT checksum for PE */ 508 unsigned short x_associated; /* COMDAT associated section index for PE */ 509 unsigned char x_comdat; /* COMDAT selection number for PE */ 510 } x_scn; 511 512 struct 513 { 514 long x_tvfill; /* tv fill value */ 515 unsigned short x_tvlen; /* length of .tv */ 516 unsigned short x_tvran[2]; /* tv range */ 517 } x_tv; /* info about .tv section (in auxent of symbol .tv)) */ 518 519 /****************************************** 520 * RS/6000-specific auxent - last auxent for every external symbol 521 ******************************************/ 522 struct 523 { 524 union 525 { /* csect length or enclosing csect */ 526 bfd_signed_vma l; 527 struct coff_ptr_struct *p; 528 } x_scnlen; 529 long x_parmhash; /* parm type hash index */ 530 unsigned short x_snhash; /* sect num with parm hash */ 531 unsigned char x_smtyp; /* symbol align and type */ 532 /* 0-4 - Log 2 of alignment */ 533 /* 5-7 - symbol type */ 534 unsigned char x_smclas; /* storage mapping class */ 535 long x_stab; /* dbx stab info index */ 536 unsigned short x_snstab; /* sect num with dbx stab */ 537 } x_csect; /* csect definition information */ 538 539 /* x_smtyp values: */ 540 541 #define SMTYP_ALIGN(x) ((x) >> 3) /* log2 of alignment */ 542 #define SMTYP_SMTYP(x) ((x) & 0x7) /* symbol type */ 543 /* Symbol type values: */ 544 #define XTY_ER 0 /* External reference */ 545 #define XTY_SD 1 /* Csect definition */ 546 #define XTY_LD 2 /* Label definition */ 547 #define XTY_CM 3 /* .BSS */ 548 #define XTY_EM 4 /* Error message */ 549 #define XTY_US 5 /* "Reserved for internal use" */ 550 551 /* x_smclas values: */ 552 553 #define XMC_PR 0 /* Read-only program code */ 554 #define XMC_RO 1 /* Read-only constant */ 555 #define XMC_DB 2 /* Read-only debug dictionary table */ 556 #define XMC_TC 3 /* Read-write general TOC entry */ 557 #define XMC_UA 4 /* Read-write unclassified */ 558 #define XMC_RW 5 /* Read-write data */ 559 #define XMC_GL 6 /* Read-only global linkage */ 560 #define XMC_XO 7 /* Read-only extended operation */ 561 #define XMC_SV 8 /* Read-only supervisor call */ 562 #define XMC_BS 9 /* Read-write BSS */ 563 #define XMC_DS 10 /* Read-write descriptor csect */ 564 #define XMC_UC 11 /* Read-write unnamed Fortran common */ 565 #define XMC_TI 12 /* Read-only traceback index csect */ 566 #define XMC_TB 13 /* Read-only traceback table csect */ 567 /* 14 ??? */ 568 #define XMC_TC0 15 /* Read-write TOC anchor */ 569 #define XMC_TD 16 /* Read-write data in TOC */ 570 571 /****************************************** 572 * I960-specific *2nd* aux. entry formats 573 ******************************************/ 574 struct 575 { 576 /* This is a very old typo that keeps getting propagated. */ 577 #define x_stdindx x_stindx 578 long x_stindx; /* sys. table entry */ 579 } x_sc; /* system call entry */ 580 581 struct 582 { 583 unsigned long x_balntry; /* BAL entry point */ 584 } x_bal; /* BAL-callable function */ 585 586 struct 587 { 588 unsigned long x_timestamp; /* time stamp */ 589 char x_idstring[20]; /* producer identity string */ 590 } x_ident; /* Producer ident info */ 591 592 }; 593 594 /********************** RELOCATION DIRECTIVES **********************/ 595 596 struct internal_reloc 597 { 598 bfd_vma r_vaddr; /* Virtual address of reference */ 599 long r_symndx; /* Index into symbol table */ 600 unsigned short r_type; /* Relocation type */ 601 unsigned char r_size; /* Used by RS/6000 and ECOFF */ 602 unsigned char r_extern; /* Used by ECOFF */ 603 unsigned long r_offset; /* Used by Alpha ECOFF, SPARC, others */ 604 }; 605 606 #define R_DIR16 1 607 #define R_REL24 5 608 #define R_DIR32 6 609 #define R_IMAGEBASE 7 610 #define R_RELBYTE 15 611 #define R_RELWORD 16 612 #define R_RELLONG 17 613 #define R_PCRBYTE 18 614 #define R_PCRWORD 19 615 #define R_PCRLONG 20 616 #define R_PCR24 21 617 #define R_IPRSHORT 24 618 #define R_IPRLONG 26 619 #define R_GETSEG 29 620 #define R_GETPA 30 621 #define R_TAGWORD 31 622 #define R_JUMPTARG 32 /* strange 29k 00xx00xx reloc */ 623 #define R_PARTLS16 32 624 #define R_PARTMS8 33 625 626 #define R_PCR16L 128 627 #define R_PCR26L 129 628 #define R_VRT16 130 629 #define R_HVRT16 131 630 #define R_LVRT16 132 631 #define R_VRT32 133 632 633 634 /* This reloc identifies mov.b instructions with a 16bit absolute 635 address. The linker tries to turn insns with this reloc into 636 an absolute 8-bit address. */ 637 #define R_MOV16B1 0x41 638 639 /* This reloc identifies mov.b instructions which had a 16bit 640 absolute address which have been shortened into a 8-bit 641 absolute address. */ 642 #define R_MOV16B2 0x42 643 644 /* This reloc identifies jmp insns with a 16bit target address; 645 the linker tries to turn these insns into bra insns with 646 an 8bit pc-relative target. */ 647 #define R_JMP1 0x43 648 649 /* This reloc identifies a bra with an 8-bit pc-relative 650 target that was formerly a jmp insn with a 16bit target. */ 651 #define R_JMP2 0x44 652 653 /* ??? */ 654 #define R_RELLONG_NEG 0x45 655 656 /* This reloc identifies jmp insns with a 24bit target address; 657 the linker tries to turn these insns into bra insns with 658 an 8bit pc-relative target. */ 659 #define R_JMPL1 0x46 660 661 /* This reloc identifies a bra with an 8-bit pc-relative 662 target that was formerly a jmp insn with a 24bit target. */ 663 #define R_JMPL2 0x47 664 665 /* This reloc identifies mov.b instructions with a 24bit absolute 666 address. The linker tries to turn insns with this reloc into 667 an absolute 8-bit address. */ 668 669 #define R_MOV24B1 0x48 670 671 /* This reloc identifies mov.b instructions which had a 24bit 672 absolute address which have been shortened into a 8-bit 673 absolute address. */ 674 #define R_MOV24B2 0x49 675 676 /* An h8300 memory indirect jump/call. Forces the address of the jump/call 677 target into the function vector (in page zero), and the address of the 678 vector entry to be placed in the jump/call instruction. */ 679 #define R_MEM_INDIRECT 0x4a 680 681 /* This reloc identifies a 16bit pc-relative branch target which was 682 shortened into an 8bit pc-relative branch target. */ 683 #define R_PCRWORD_B 0x4b 684 685 /* This reloc identifies mov.[wl] instructions with a 32/24 bit 686 absolute address; the linker may turn this into a mov.[wl] 687 insn with a 16bit absolute address. */ 688 #define R_MOVL1 0x4c 689 690 /* This reloc identifies mov.[wl] insns which formerly had 691 a 32/24bit absolute address and now have a 16bit absolute address. */ 692 #define R_MOVL2 0x4d 693 694 /* This reloc identifies a bCC:8 which will have it's condition 695 inverted and its target redirected to the target of the branch 696 in the following insn. */ 697 #define R_BCC_INV 0x4e 698 699 /* This reloc identifies a jmp instruction that has been deleted. */ 700 #define R_JMP_DEL 0x4f 701 702 /* Z8k modes */ 703 #define R_IMM16 0x01 /* 16 bit abs */ 704 #define R_JR 0x02 /* jr 8 bit disp */ 705 #define R_IMM4L 0x23 /* low nibble */ 706 #define R_IMM8 0x22 /* 8 bit abs */ 707 #define R_IMM32 R_RELLONG /* 32 bit abs */ 708 #define R_CALL R_DA /* Absolute address which could be a callr */ 709 #define R_JP R_DA /* Absolute address which could be a jp */ 710 #define R_REL16 0x04 /* 16 bit PC rel */ 711 #define R_CALLR 0x05 /* callr 12 bit disp */ 712 #define R_SEG 0x10 /* set if in segmented mode */ 713 #define R_IMM4H 0x24 /* high nibble */ 714 #define R_DISP7 0x25 /* djnz displacement */ 715 716 /* H8500 modes */ 717 718 #define R_H8500_IMM8 1 /* 8 bit immediate */ 719 #define R_H8500_IMM16 2 /* 16 bit immediate */ 720 #define R_H8500_PCREL8 3 /* 8 bit pcrel */ 721 #define R_H8500_PCREL16 4 /* 16 bit pcrel */ 722 #define R_H8500_HIGH8 5 /* high 8 bits of 24 bit address */ 723 #define R_H8500_LOW16 7 /* low 16 bits of 24 bit immediate */ 724 #define R_H8500_IMM24 6 /* 24 bit immediate */ 725 #define R_H8500_IMM32 8 /* 32 bit immediate */ 726 #define R_H8500_HIGH16 9 /* high 16 bits of 32 bit immediate */ 727 728 /* W65 modes */ 729 730 #define R_W65_ABS8 1 /* addr & 0xff */ 731 #define R_W65_ABS16 2 /* addr & 0xffff */ 732 #define R_W65_ABS24 3 /* addr & 0xffffff */ 733 734 #define R_W65_ABS8S8 4 /* (addr >> 8) & 0xff */ 735 #define R_W65_ABS8S16 5 /* (addr >> 16) & 0xff */ 736 737 #define R_W65_ABS16S8 6 /* (addr >> 8) & 0ffff */ 738 #define R_W65_ABS16S16 7 /* (addr >> 16) & 0ffff */ 739 740 #define R_W65_PCR8 8 741 #define R_W65_PCR16 9 742 743 #define R_W65_DP 10 /* direct page 8 bits only */ 744 745 #endif /* GNU_COFF_INTERNAL_H */ 746