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