internal.h revision 60484
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#ifndef GNU_COFF_INTERNAL_H 5#define GNU_COFF_INTERNAL_H 1 6 7/* First, make "signed char" work, even on old compilers. */ 8#ifndef signed 9#ifndef __STDC__ 10#define signed /**/ 11#endif 12#endif 13 14/********************** FILE HEADER **********************/ 15 16/* extra stuff in a PE header. */ 17 18struct internal_extra_pe_filehdr 19{ 20 /* DOS header data follows for PE stuff */ 21 unsigned short e_magic; /* Magic number, 0x5a4d */ 22 unsigned short e_cblp; /* Bytes on last page of file, 0x90 */ 23 unsigned short e_cp; /* Pages in file, 0x3 */ 24 unsigned short e_crlc; /* Relocations, 0x0 */ 25 unsigned short e_cparhdr; /* Size of header in paragraphs, 0x4 */ 26 unsigned short e_minalloc; /* Minimum extra paragraphs needed, 0x0 */ 27 unsigned short e_maxalloc; /* Maximum extra paragraphs needed, 0xFFFF */ 28 unsigned short e_ss; /* Initial (relative) SS value, 0x0 */ 29 unsigned short e_sp; /* Initial SP value, 0xb8 */ 30 unsigned short e_csum; /* Checksum, 0x0 */ 31 unsigned short e_ip; /* Initial IP value, 0x0 */ 32 unsigned short e_cs; /* Initial (relative) CS value, 0x0 */ 33 unsigned short e_lfarlc; /* File address of relocation table, 0x40 */ 34 unsigned short e_ovno; /* Overlay number, 0x0 */ 35 unsigned short e_res[4]; /* Reserved words, all 0x0 */ 36 unsigned short e_oemid; /* OEM identifier (for e_oeminfo), 0x0 */ 37 unsigned short e_oeminfo; /* OEM information; e_oemid specific, 0x0 */ 38 unsigned short e_res2[10]; /* Reserved words, all 0x0 */ 39 bfd_vma e_lfanew; /* File address of new exe header, 0x80 */ 40 unsigned long dos_message[16]; /* text which always follows dos header */ 41 bfd_vma nt_signature; /* required NT signature, 0x4550 */ 42}; 43 44struct internal_filehdr 45{ 46 struct internal_extra_pe_filehdr pe; 47 48 /* standard coff internal info */ 49 unsigned short f_magic; /* magic number */ 50 unsigned short f_nscns; /* number of sections */ 51 long f_timdat; /* time & date stamp */ 52 bfd_vma f_symptr; /* file pointer to symtab */ 53 long f_nsyms; /* number of symtab entries */ 54 unsigned short f_opthdr; /* sizeof(optional hdr) */ 55 unsigned short f_flags; /* flags */ 56 unsigned short f_target_id; /* (TIc80 specific) */ 57}; 58 59 60/* Bits for f_flags: 61 * F_RELFLG relocation info stripped from file 62 * F_EXEC file is executable (no unresolved external references) 63 * F_LNNO line numbers stripped from file 64 * F_LSYMS local symbols stripped from file 65 * F_AR16WR file is 16-bit little-endian 66 * F_AR32WR file is 32-bit little-endian 67 * F_AR32W file is 32-bit big-endian 68 * F_DYNLOAD rs/6000 aix: dynamically loadable w/imports & exports 69 * F_SHROBJ rs/6000 aix: file is a shared object 70 * F_DLL PE format DLL 71 */ 72 73#define F_RELFLG (0x0001) 74#define F_EXEC (0x0002) 75#define F_LNNO (0x0004) 76#define F_LSYMS (0x0008) 77#define F_AR16WR (0x0080) 78#define F_AR32WR (0x0100) 79#define F_AR32W (0x0200) 80#define F_DYNLOAD (0x1000) 81#define F_SHROBJ (0x2000) 82#define F_DLL (0x2000) 83 84/* extra structure which is used in the optional header */ 85typedef struct _IMAGE_DATA_DIRECTORY 86{ 87 bfd_vma VirtualAddress; 88 long Size; 89} IMAGE_DATA_DIRECTORY; 90#define IMAGE_NUMBEROF_DIRECTORY_ENTRIES 16 91 92/* Default image base for NT. */ 93#define NT_EXE_IMAGE_BASE 0x400000 94#define NT_DLL_IMAGE_BASE 0x10000000 95 96/* Default image base for BeOS. */ 97#define BEOS_EXE_IMAGE_BASE 0x80000000 98#define BEOS_DLL_IMAGE_BASE 0x10000000 99 100/* Extra stuff in a PE aouthdr */ 101 102#define PE_DEF_SECTION_ALIGNMENT 0x1000 103#define PE_DEF_FILE_ALIGNMENT 0x200 104 105struct internal_extra_pe_aouthdr 106{ 107 /* PE stuff */ 108 bfd_vma ImageBase; /* address of specific location in memory that 109 file is located, NT default 0x10000 */ 110 111 bfd_vma SectionAlignment; /* section alignment default 0x1000 */ 112 bfd_vma FileAlignment; /* file alignment default 0x200 */ 113 short MajorOperatingSystemVersion; /* minimum version of the operating */ 114 short MinorOperatingSystemVersion; /* system req'd for exe, default to 1*/ 115 short MajorImageVersion; /* user defineable field to store version of */ 116 short MinorImageVersion; /* exe or dll being created, default to 0 */ 117 short MajorSubsystemVersion; /* minimum subsystem version required to */ 118 short MinorSubsystemVersion; /* run exe; default to 3.1 */ 119 long Reserved1; /* seems to be 0 */ 120 long SizeOfImage; /* size of memory to allocate for prog */ 121 long SizeOfHeaders; /* size of PE header and section table */ 122 long CheckSum; /* set to 0 */ 123 short Subsystem; 124 125 /* type of subsystem exe uses for user interface, 126 possible values: 127 1 - NATIVE Doesn't require a subsystem 128 2 - WINDOWS_GUI runs in Windows GUI subsystem 129 3 - WINDOWS_CUI runs in Windows char sub. (console app) 130 5 - OS2_CUI runs in OS/2 character subsystem 131 7 - POSIX_CUI runs in Posix character subsystem */ 132 short DllCharacteristics; /* flags for DLL init, use 0 */ 133 bfd_vma SizeOfStackReserve; /* amount of memory to reserve */ 134 bfd_vma SizeOfStackCommit; /* amount of memory initially committed for 135 initial thread's stack, default is 0x1000 */ 136 bfd_vma SizeOfHeapReserve; /* amount of virtual memory to reserve and */ 137 bfd_vma SizeOfHeapCommit; /* commit, don't know what to defaut it to */ 138 long LoaderFlags; /* can probably set to 0 */ 139 long NumberOfRvaAndSizes; /* number of entries in next entry, 16 */ 140 IMAGE_DATA_DIRECTORY DataDirectory[IMAGE_NUMBEROF_DIRECTORY_ENTRIES]; 141}; 142 143/********************** AOUT "OPTIONAL HEADER" **********************/ 144struct internal_aouthdr 145{ 146 short magic; /* type of file */ 147 short vstamp; /* version stamp */ 148 bfd_vma tsize; /* text size in bytes, padded to FW bdry*/ 149 bfd_vma dsize; /* initialized data " " */ 150 bfd_vma bsize; /* uninitialized data " " */ 151 bfd_vma entry; /* entry pt. */ 152 bfd_vma text_start; /* base of text used for this file */ 153 bfd_vma data_start; /* base of data used for this file */ 154 155 /* i960 stuff */ 156 unsigned long tagentries; /* number of tag entries to follow */ 157 158 /* RS/6000 stuff */ 159 unsigned long o_toc; /* address of TOC */ 160 short o_snentry; /* section number for entry point */ 161 short o_sntext; /* section number for text */ 162 short o_sndata; /* section number for data */ 163 short o_sntoc; /* section number for toc */ 164 short o_snloader; /* section number for loader section */ 165 short o_snbss; /* section number for bss */ 166 short o_algntext; /* max alignment for text */ 167 short o_algndata; /* max alignment for data */ 168 short o_modtype; /* Module type field, 1R,RE,RO */ 169 short o_cputype; /* Encoded CPU type */ 170 unsigned long o_maxstack; /* max stack size allowed. */ 171 unsigned long o_maxdata; /* max data size allowed. */ 172 173 /* ECOFF stuff */ 174 bfd_vma bss_start; /* Base of bss section. */ 175 bfd_vma gp_value; /* GP register value. */ 176 unsigned long gprmask; /* General registers used. */ 177 unsigned long cprmask[4]; /* Coprocessor registers used. */ 178 unsigned long fprmask; /* Floating pointer registers used. */ 179 180 /* Apollo stuff */ 181 long o_inlib; /* inlib data */ 182 long o_sri; /* Static Resource Information */ 183 long vid[2]; /* Version id */ 184 185 186 struct internal_extra_pe_aouthdr pe; 187 188}; 189 190/********************** STORAGE CLASSES **********************/ 191 192/* This used to be defined as -1, but now n_sclass is unsigned. */ 193#define C_EFCN 0xff /* physical end of function */ 194#define C_NULL 0 195#define C_AUTO 1 /* automatic variable */ 196#define C_EXT 2 /* external symbol */ 197#define C_STAT 3 /* static */ 198#define C_REG 4 /* register variable */ 199#define C_EXTDEF 5 /* external definition */ 200#define C_LABEL 6 /* label */ 201#define C_ULABEL 7 /* undefined label */ 202#define C_MOS 8 /* member of structure */ 203#define C_ARG 9 /* function argument */ 204#define C_STRTAG 10 /* structure tag */ 205#define C_MOU 11 /* member of union */ 206#define C_UNTAG 12 /* union tag */ 207#define C_TPDEF 13 /* type definition */ 208#define C_USTATIC 14 /* undefined static */ 209#define C_ENTAG 15 /* enumeration tag */ 210#define C_MOE 16 /* member of enumeration */ 211#define C_REGPARM 17 /* register parameter */ 212#define C_FIELD 18 /* bit field */ 213#define C_AUTOARG 19 /* auto argument */ 214#define C_LASTENT 20 /* dummy entry (end of block) */ 215#define C_BLOCK 100 /* ".bb" or ".eb" */ 216#define C_FCN 101 /* ".bf" or ".ef" */ 217#define C_EOS 102 /* end of structure */ 218#define C_FILE 103 /* file name */ 219#define C_LINE 104 /* line # reformatted as symbol table entry */ 220#define C_ALIAS 105 /* duplicate tag */ 221#define C_HIDDEN 106 /* ext symbol in dmert public lib */ 222 223#define C_WEAKEXT 127 /* weak symbol -- GNU extension */ 224 225/* New storage classes for TIc80 */ 226#define C_UEXT 19 /* Tentative external definition */ 227#define C_STATLAB 20 /* Static load time label */ 228#define C_EXTLAB 21 /* External load time label */ 229#define C_SYSTEM 23 /* System Wide variable */ 230 231/* New storage classes for WINDOWS_NT */ 232#define C_SECTION 104 /* section name */ 233#define C_NT_WEAK 105 /* weak external */ 234 235 /* New storage classes for 80960 */ 236 237/* C_LEAFPROC is obsolete. Use C_LEAFEXT or C_LEAFSTAT */ 238#define C_LEAFPROC 108 /* Leaf procedure, "call" via BAL */ 239 240#define C_SCALL 107 /* Procedure reachable via system call */ 241#define C_LEAFEXT 108 /* External leaf */ 242#define C_LEAFSTAT 113 /* Static leaf */ 243#define C_OPTVAR 109 /* Optimized variable */ 244#define C_DEFINE 110 /* Preprocessor #define */ 245#define C_PRAGMA 111 /* Advice to compiler or linker */ 246#define C_SEGMENT 112 /* 80960 segment name */ 247 248 /* Storage classes for m88k */ 249#define C_SHADOW 107 /* shadow symbol */ 250#define C_VERSION 108 /* coff version symbol */ 251 252 /* New storage classes for RS/6000 */ 253#define C_HIDEXT 107 /* Un-named external symbol */ 254#define C_BINCL 108 /* Marks beginning of include file */ 255#define C_EINCL 109 /* Marks ending of include file */ 256 257 /* storage classes for stab symbols for RS/6000 */ 258#define C_GSYM (0x80) 259#define C_LSYM (0x81) 260#define C_PSYM (0x82) 261#define C_RSYM (0x83) 262#define C_RPSYM (0x84) 263#define C_STSYM (0x85) 264#define C_TCSYM (0x86) 265#define C_BCOMM (0x87) 266#define C_ECOML (0x88) 267#define C_ECOMM (0x89) 268#define C_DECL (0x8c) 269#define C_ENTRY (0x8d) 270#define C_FUN (0x8e) 271#define C_BSTAT (0x8f) 272#define C_ESTAT (0x90) 273 274/* Storage classes for Thumb symbols */ 275#define C_THUMBEXT (128 + C_EXT) /* 130 */ 276#define C_THUMBSTAT (128 + C_STAT) /* 131 */ 277#define C_THUMBLABEL (128 + C_LABEL) /* 134 */ 278#define C_THUMBEXTFUNC (C_THUMBEXT + 20) /* 150 */ 279#define C_THUMBSTATFUNC (C_THUMBSTAT + 20) /* 151 */ 280 281/********************** SECTION HEADER **********************/ 282 283#define SCNNMLEN (8) 284 285struct internal_scnhdr 286{ 287 char s_name[SCNNMLEN]; /* section name */ 288 289 /* Physical address, aliased s_nlib. 290 In the pei format, this field is the virtual section size 291 (the size of the section after being loaded int memory), 292 NOT the physical address. */ 293 bfd_vma s_paddr; 294 295 bfd_vma s_vaddr; /* virtual address */ 296 bfd_vma s_size; /* section size */ 297 bfd_vma s_scnptr; /* file ptr to raw data for section */ 298 bfd_vma s_relptr; /* file ptr to relocation */ 299 bfd_vma s_lnnoptr; /* file ptr to line numbers */ 300 unsigned long s_nreloc; /* number of relocation entries */ 301 unsigned long s_nlnno; /* number of line number entries*/ 302 long s_flags; /* flags */ 303 long s_align; /* used on I960 */ 304}; 305 306/* 307 * s_flags "type" 308 */ 309#define STYP_REG (0x0000) /* "regular": allocated, relocated, loaded */ 310#define STYP_DSECT (0x0001) /* "dummy": relocated only*/ 311#define STYP_NOLOAD (0x0002) /* "noload": allocated, relocated, not loaded */ 312#define STYP_GROUP (0x0004) /* "grouped": formed of input sections */ 313#define STYP_PAD (0x0008) /* "padding": not allocated, not relocated, loaded */ 314#define STYP_COPY (0x0010) /* "copy": for decision function used by field update; not allocated, not relocated, 315 loaded; reloc & lineno entries processed normally */ 316#define STYP_TEXT (0x0020) /* section contains text only */ 317#define S_SHRSEG (0x0020) /* In 3b Update files (output of ogen), sections which appear in SHARED segments of the Pfile 318 will have the S_SHRSEG flag set by ogen, to inform dufr that updating 1 copy of the proc. will 319 update all process invocations. */ 320#define STYP_DATA (0x0040) /* section contains data only */ 321#define STYP_BSS (0x0080) /* section contains bss only */ 322#define S_NEWFCN (0x0100) /* In a minimal file or an update file, a new function (as compared with a replaced function) */ 323#define STYP_INFO (0x0200) /* comment: not allocated not relocated, not loaded */ 324#define STYP_OVER (0x0400) /* overlay: relocated not allocated or loaded */ 325#define STYP_LIB (0x0800) /* for .lib: same as INFO */ 326#define STYP_MERGE (0x2000) /* merge section -- combines with text, data or bss sections only */ 327#define STYP_REVERSE_PAD (0x4000) /* section will be padded with no-op instructions wherever padding is necessary and there is a 328 329 word of contiguous bytes 330 beginning on a word boundary. */ 331 332#define STYP_LIT 0x8020 /* Literal data (like STYP_TEXT) */ 333 334 335 336/********************** LINE NUMBERS **********************/ 337 338/* 1 line number entry for every "breakpointable" source line in a section. 339 * Line numbers are grouped on a per function basis; first entry in a function 340 * grouping will have l_lnno = 0 and in place of physical address will be the 341 * symbol table index of the function name. 342 */ 343 344struct internal_lineno 345{ 346 union 347 { 348 long l_symndx; /* function name symbol index, iff l_lnno == 0*/ 349 long l_paddr; /* (physical) address of line number */ 350 } l_addr; 351 unsigned long l_lnno; /* line number */ 352}; 353 354/********************** SYMBOLS **********************/ 355 356#define SYMNMLEN 8 /* # characters in a symbol name */ 357#define FILNMLEN 14 /* # characters in a file name */ 358#define DIMNUM 4 /* # array dimensions in auxiliary entry */ 359 360struct internal_syment 361{ 362 union 363 { 364 char _n_name[SYMNMLEN]; /* old COFF version */ 365 struct 366 { 367 long _n_zeroes; /* new == 0 */ 368 long _n_offset; /* offset into string table */ 369 } _n_n; 370 char *_n_nptr[2]; /* allows for overlaying */ 371 } _n; 372 long n_value; /* value of symbol */ 373 short n_scnum; /* section number */ 374 unsigned short n_flags; /* copy of flags from filhdr */ 375 unsigned short n_type; /* type and derived type */ 376 unsigned char n_sclass; /* storage class */ 377 unsigned char n_numaux; /* number of aux. entries */ 378}; 379 380#define n_name _n._n_name 381#define n_zeroes _n._n_n._n_zeroes 382#define n_offset _n._n_n._n_offset 383 384 385/* Relocatable symbols have number of the section in which they are defined, 386 or one of the following: */ 387 388#define N_UNDEF ((short)0) /* undefined symbol */ 389#define N_ABS ((short)-1) /* value of symbol is absolute */ 390#define N_DEBUG ((short)-2) /* debugging symbol -- value is meaningless */ 391#define N_TV ((short)-3) /* indicates symbol needs preload transfer vector */ 392#define P_TV ((short)-4) /* indicates symbol needs postload transfer vector*/ 393 394/* 395 * Type of a symbol, in low N bits of the word 396 */ 397#define T_NULL 0 398#define T_VOID 1 /* function argument (only used by compiler) */ 399#define T_CHAR 2 /* character */ 400#define T_SHORT 3 /* short integer */ 401#define T_INT 4 /* integer */ 402#define T_LONG 5 /* long integer */ 403#define T_FLOAT 6 /* floating point */ 404#define T_DOUBLE 7 /* double word */ 405#define T_STRUCT 8 /* structure */ 406#define T_UNION 9 /* union */ 407#define T_ENUM 10 /* enumeration */ 408#define T_MOE 11 /* member of enumeration*/ 409#define T_UCHAR 12 /* unsigned character */ 410#define T_USHORT 13 /* unsigned short */ 411#define T_UINT 14 /* unsigned integer */ 412#define T_ULONG 15 /* unsigned long */ 413#define T_LNGDBL 16 /* long double */ 414 415/* 416 * derived types, in n_type 417*/ 418#define DT_NON (0) /* no derived type */ 419#define DT_PTR (1) /* pointer */ 420#define DT_FCN (2) /* function */ 421#define DT_ARY (3) /* array */ 422 423#define BTYPE(x) ((x) & N_BTMASK) 424#define DTYPE(x) (((x) & N_TMASK) >> N_BTSHFT) 425 426#define ISPTR(x) \ 427 (((unsigned long) (x) & N_TMASK) == ((unsigned long) DT_PTR << N_BTSHFT)) 428#define ISFCN(x) \ 429 (((unsigned long) (x) & N_TMASK) == ((unsigned long) DT_FCN << N_BTSHFT)) 430#define ISARY(x) \ 431 (((unsigned long) (x) & N_TMASK) == ((unsigned long) DT_ARY << N_BTSHFT)) 432#define ISTAG(x) \ 433 ((x) == C_STRTAG || (x) == C_UNTAG || (x) == C_ENTAG) 434#define DECREF(x) \ 435 ((((x) >> N_TSHIFT) & ~ N_BTMASK) | ((x) & N_BTMASK)) 436 437union internal_auxent 438{ 439 struct 440 { 441 442 union 443 { 444 long l; /* str, un, or enum tag indx */ 445 struct coff_ptr_struct *p; 446 } x_tagndx; 447 448 union 449 { 450 struct 451 { 452 unsigned short x_lnno; /* declaration line number */ 453 unsigned short x_size; /* str/union/array size */ 454 } x_lnsz; 455 long x_fsize; /* size of function */ 456 } x_misc; 457 458 union 459 { 460 struct 461 { /* if ISFCN, tag, or .bb */ 462 long x_lnnoptr; /* ptr to fcn line # */ 463 union 464 { /* entry ndx past block end */ 465 long l; 466 struct coff_ptr_struct *p; 467 } x_endndx; 468 } x_fcn; 469 470 struct 471 { /* if ISARY, up to 4 dimen. */ 472 unsigned short x_dimen[DIMNUM]; 473 } x_ary; 474 } x_fcnary; 475 476 unsigned short x_tvndx; /* tv index */ 477 } x_sym; 478 479 union 480 { 481 char x_fname[FILNMLEN]; 482 struct 483 { 484 long x_zeroes; 485 long x_offset; 486 } x_n; 487 } x_file; 488 489 struct 490 { 491 long x_scnlen; /* section length */ 492 unsigned short x_nreloc; /* # relocation entries */ 493 unsigned short x_nlinno; /* # line numbers */ 494 unsigned long x_checksum; /* section COMDAT checksum for PE */ 495 unsigned short x_associated; /* COMDAT associated section index for PE */ 496 unsigned char x_comdat; /* COMDAT selection number for PE */ 497 } x_scn; 498 499 struct 500 { 501 long x_tvfill; /* tv fill value */ 502 unsigned short x_tvlen; /* length of .tv */ 503 unsigned short x_tvran[2]; /* tv range */ 504 } x_tv; /* info about .tv section (in auxent of symbol .tv)) */ 505 506 /****************************************** 507 * RS/6000-specific auxent - last auxent for every external symbol 508 ******************************************/ 509 struct 510 { 511 union 512 { /* csect length or enclosing csect */ 513 long l; 514 struct coff_ptr_struct *p; 515 } x_scnlen; 516 long x_parmhash; /* parm type hash index */ 517 unsigned short x_snhash; /* sect num with parm hash */ 518 unsigned char x_smtyp; /* symbol align and type */ 519 /* 0-4 - Log 2 of alignment */ 520 /* 5-7 - symbol type */ 521 unsigned char x_smclas; /* storage mapping class */ 522 long x_stab; /* dbx stab info index */ 523 unsigned short x_snstab; /* sect num with dbx stab */ 524 } x_csect; /* csect definition information */ 525 526/* x_smtyp values: */ 527 528#define SMTYP_ALIGN(x) ((x) >> 3) /* log2 of alignment */ 529#define SMTYP_SMTYP(x) ((x) & 0x7) /* symbol type */ 530/* Symbol type values: */ 531#define XTY_ER 0 /* External reference */ 532#define XTY_SD 1 /* Csect definition */ 533#define XTY_LD 2 /* Label definition */ 534#define XTY_CM 3 /* .BSS */ 535#define XTY_EM 4 /* Error message */ 536#define XTY_US 5 /* "Reserved for internal use" */ 537 538/* x_smclas values: */ 539 540#define XMC_PR 0 /* Read-only program code */ 541#define XMC_RO 1 /* Read-only constant */ 542#define XMC_DB 2 /* Read-only debug dictionary table */ 543#define XMC_TC 3 /* Read-write general TOC entry */ 544#define XMC_UA 4 /* Read-write unclassified */ 545#define XMC_RW 5 /* Read-write data */ 546#define XMC_GL 6 /* Read-only global linkage */ 547#define XMC_XO 7 /* Read-only extended operation */ 548#define XMC_SV 8 /* Read-only supervisor call */ 549#define XMC_BS 9 /* Read-write BSS */ 550#define XMC_DS 10 /* Read-write descriptor csect */ 551#define XMC_UC 11 /* Read-write unnamed Fortran common */ 552#define XMC_TI 12 /* Read-only traceback index csect */ 553#define XMC_TB 13 /* Read-only traceback table csect */ 554/* 14 ??? */ 555#define XMC_TC0 15 /* Read-write TOC anchor */ 556#define XMC_TD 16 /* Read-write data in TOC */ 557 558 /****************************************** 559 * I960-specific *2nd* aux. entry formats 560 ******************************************/ 561 struct 562 { 563 /* This is a very old typo that keeps getting propagated. */ 564#define x_stdindx x_stindx 565 long x_stindx; /* sys. table entry */ 566 } x_sc; /* system call entry */ 567 568 struct 569 { 570 unsigned long x_balntry; /* BAL entry point */ 571 } x_bal; /* BAL-callable function */ 572 573 struct 574 { 575 unsigned long x_timestamp; /* time stamp */ 576 char x_idstring[20]; /* producer identity string */ 577 } x_ident; /* Producer ident info */ 578 579}; 580 581/********************** RELOCATION DIRECTIVES **********************/ 582 583struct internal_reloc 584{ 585 bfd_vma r_vaddr; /* Virtual address of reference */ 586 long r_symndx; /* Index into symbol table */ 587 unsigned short r_type; /* Relocation type */ 588 unsigned char r_size; /* Used by RS/6000 and ECOFF */ 589 unsigned char r_extern; /* Used by ECOFF */ 590 unsigned long r_offset; /* Used by Alpha ECOFF, SPARC, others */ 591}; 592 593#define R_DIR16 1 594#define R_DIR32 6 595#define R_IMAGEBASE 7 596#define R_RELBYTE 15 597#define R_RELWORD 16 598#define R_RELLONG 17 599#define R_PCRBYTE 18 600#define R_PCRWORD 19 601#define R_PCRLONG 20 602#define R_IPRSHORT 24 603#define R_IPRLONG 26 604#define R_GETSEG 29 605#define R_GETPA 30 606#define R_TAGWORD 31 607#define R_JUMPTARG 32 /* strange 29k 00xx00xx reloc */ 608 609#define R_PCR16L 128 610#define R_PCR26L 129 611#define R_VRT16 130 612#define R_HVRT16 131 613#define R_LVRT16 132 614#define R_VRT32 133 615 616 617/* This reloc identifies mov.b instructions with a 16bit absolute 618 address. The linker tries to turn insns with this reloc into 619 an absolute 8-bit address. */ 620#define R_MOV16B1 0x41 621 622/* This reloc identifies mov.b instructions which had a 16bit 623 absolute address which have been shortened into a 8-bit 624 absolute address. */ 625#define R_MOV16B2 0x42 626 627/* This reloc identifies jmp insns with a 16bit target address; 628 the linker tries to turn these insns into bra insns with 629 an 8bit pc-relative target. */ 630#define R_JMP1 0x43 631 632/* This reloc identifies a bra with an 8-bit pc-relative 633 target that was formerlly a jmp insn with a 16bit target. */ 634#define R_JMP2 0x44 635 636/* ??? */ 637#define R_RELLONG_NEG 0x45 638 639/* This reloc identifies jmp insns with a 24bit target address; 640 the linker tries to turn these insns into bra insns with 641 an 8bit pc-relative target. */ 642#define R_JMPL1 0x46 643 644/* This reloc identifies a bra with an 8-bit pc-relative 645 target that was formerlly a jmp insn with a 24bit target. */ 646#define R_JMPL2 0x47 647 648/* This reloc identifies mov.b instructions with a 24bit absolute 649 address. The linker tries to turn insns with this reloc into 650 an absolute 8-bit address. */ 651 652#define R_MOV24B1 0x48 653 654/* This reloc identifies mov.b instructions which had a 24bit 655 absolute address which have been shortened into a 8-bit 656 absolute address. */ 657#define R_MOV24B2 0x49 658 659/* An h8300 memory indirect jump/call. Forces the address of the jump/call 660 target into the function vector (in page zero), and the address of the 661 vector entry to be placed in the jump/call instruction. */ 662#define R_MEM_INDIRECT 0x4a 663 664/* This reloc identifies a 16bit pc-relative branch target which was 665 shortened into an 8bit pc-relative branch target. */ 666#define R_PCRWORD_B 0x4b 667 668/* This reloc identifies mov.[wl] instructions with a 32/24 bit 669 absolute address; the linker may turn this into a mov.[wl] 670 insn with a 16bit absolute address. */ 671#define R_MOVL1 0x4c 672 673/* This reloc identifies mov.[wl] insns which formerlly had 674 a 32/24bit absolute address and now have a 16bit absolute address. */ 675#define R_MOVL2 0x4d 676 677/* This reloc identifies a bCC:8 which will have it's condition 678 inverted and its target redirected to the target of the branch 679 in the following insn. */ 680#define R_BCC_INV 0x4e 681 682/* This reloc identifies a jmp instruction that has been deleted. */ 683#define R_JMP_DEL 0x4f 684 685/* Z8k modes */ 686#define R_IMM16 0x01 /* 16 bit abs */ 687#define R_JR 0x02 /* jr 8 bit disp */ 688#define R_IMM4L 0x23 /* low nibble */ 689#define R_IMM8 0x22 /* 8 bit abs */ 690#define R_IMM32 R_RELLONG /* 32 bit abs */ 691#define R_CALL R_DA /* Absolute address which could be a callr */ 692#define R_JP R_DA /* Absolute address which could be a jp */ 693#define R_REL16 0x04 /* 16 bit PC rel */ 694#define R_CALLR 0x05 /* callr 12 bit disp */ 695#define R_SEG 0x10 /* set if in segmented mode */ 696#define R_IMM4H 0x24 /* high nibble */ 697#define R_DISP7 0x25 /* djnz displacement */ 698 699/* H8500 modes */ 700 701#define R_H8500_IMM8 1 /* 8 bit immediate */ 702#define R_H8500_IMM16 2 /* 16 bit immediate */ 703#define R_H8500_PCREL8 3 /* 8 bit pcrel */ 704#define R_H8500_PCREL16 4 /* 16 bit pcrel */ 705#define R_H8500_HIGH8 5 /* high 8 bits of 24 bit address */ 706#define R_H8500_LOW16 7 /* low 16 bits of 24 bit immediate */ 707#define R_H8500_IMM24 6 /* 24 bit immediate */ 708#define R_H8500_IMM32 8 /* 32 bit immediate */ 709#define R_H8500_HIGH16 9 /* high 16 bits of 32 bit immediate */ 710 711/* W65 modes */ 712 713#define R_W65_ABS8 1 /* addr & 0xff */ 714#define R_W65_ABS16 2 /* addr & 0xffff */ 715#define R_W65_ABS24 3 /* addr & 0xffffff */ 716 717#define R_W65_ABS8S8 4 /* (addr >> 8) & 0xff */ 718#define R_W65_ABS8S16 5 /* (addr >> 16) & 0xff */ 719 720#define R_W65_ABS16S8 6 /* (addr >> 8) & 0ffff */ 721#define R_W65_ABS16S16 7 /* (addr >> 16) & 0ffff */ 722 723#define R_W65_PCR8 8 724#define R_W65_PCR16 9 725 726#define R_W65_DP 10 /* direct page 8 bits only */ 727 728#endif /* GNU_COFF_INTERNAL_H */ 729