include/coff/internal.h

   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 /* First, make "signed char" work, even on old compilers. */
   5 #ifndef signed
   6 #ifndef __STDC__
   7 #define signed                  /**/
   8 #endif
   9 #endif
  10
  11 /********************** FILE HEADER **********************/
  12
  13 struct internal_filehdr
  14 {
  15   /* DOS header data follows for PE stuff */
  16   unsigned short e_magic;      /* Magic number, 0x5a4d */
  17   unsigned short e_cblp;       /* Bytes on last page of file, 0x90 */
  18   unsigned short e_cp;         /* Pages in file, 0x3 */
  19   unsigned short e_crlc;       /* Relocations, 0x0 */
  20   unsigned short e_cparhdr;    /* Size of header in paragraphs, 0x4 */
  21   unsigned short e_minalloc;   /* Minimum extra paragraphs needed, 0x0 */
  22   unsigned short e_maxalloc;   /* Maximum extra paragraphs needed, 0xFFFF */
  23   unsigned short e_ss;         /* Initial (relative) SS value, 0x0 */
  24   unsigned short e_sp;         /* Initial SP value, 0xb8 */
  25   unsigned short e_csum;       /* Checksum, 0x0 */
  26   unsigned short e_ip;         /* Initial IP value, 0x0 */
  27   unsigned short e_cs;         /* Initial (relative) CS value, 0x0 */
  28   unsigned short e_lfarlc;     /* File address of relocation table, 0x40 */
  29   unsigned short e_ovno;       /* Overlay number, 0x0 */
  30   unsigned short e_res[4];     /* Reserved words, all 0x0 */
  31   unsigned short e_oemid;      /* OEM identifier (for e_oeminfo), 0x0 */
  32   unsigned short e_oeminfo;    /* OEM information; e_oemid specific, 0x0 */
  33   unsigned short e_res2[10];   /* Reserved words, all 0x0 */
  34   bfd_vma  e_lfanew;           /* File address of new exe header, 0x80 */
  35   unsigned long dos_message[16]; /* text which always follows dos header */
  36   bfd_vma  nt_signature;        /* required NT signature, 0x4550 */
  37
  38
  39   /* standard coff  internal info */
  40   unsigned short f_magic;       /* magic number                 */
  41   unsigned short f_nscns;       /* number of sections           */
  42   long f_timdat;                /* time & date stamp            */
  43   bfd_vma f_symptr;             /* file pointer to symtab       */
  44   long f_nsyms;                 /* number of symtab entries     */
  45   unsigned short f_opthdr;      /* sizeof(optional hdr)         */
  46   unsigned short f_flags;       /* flags                        */
  47 };
  48
  49
  50 /* Bits for f_flags:
  51  *      F_RELFLG        relocation info stripped from file
  52  *      F_EXEC          file is executable (no unresolved external references)
  53  *      F_LNNO          line numbers stripped from file
  54  *      F_LSYMS         local symbols stripped from file
  55  *      F_AR16WR        file is 16-bit little-endian
  56  *      F_AR32WR        file is 32-bit little-endian
  57  *      F_AR32W         file is 32-bit big-endian
  58  *      F_DYNLOAD       rs/6000 aix: dynamically loadable w/imports & exports
  59  *      F_SHROBJ        rs/6000 aix: file is a shared object
  60  */
  61
  62 #define F_RELFLG        (0x0001)
  63 #define F_EXEC          (0x0002)
  64 #define F_LNNO          (0x0004)
  65 #define F_LSYMS         (0x0008)
  66 #define F_AR16WR        (0x0080)
  67 #define F_AR32WR        (0x0100)
  68 #define F_AR32W         (0x0200)
  69 #define F_DYNLOAD       (0x1000)
  70 #define F_SHROBJ        (0x2000)
  71
  72 /* extra structure which is used in the optional header */
  73 typedef struct _IMAGE_DATA_DIRECTORY
  74 {
  75   bfd_vma VirtualAddress;
  76   long    Size;
  77 }  IMAGE_DATA_DIRECTORY;
  78 #define IMAGE_NUMBEROF_DIRECTORY_ENTRIES  16
  79
  80 /* default image base for NT */
  81 #define NT_IMAGE_BASE 0x400000
  82
  83
  84 /********************** AOUT "OPTIONAL HEADER" **********************/
  85 struct internal_aouthdr
  86 {
  87   short magic;                  /* type of file                         */
  88   short vstamp;                 /* version stamp                        */
  89   bfd_vma tsize;                /* text size in bytes, padded to FW bdry*/
  90   bfd_vma dsize;                /* initialized data "  "                */
  91   bfd_vma bsize;                /* uninitialized data "   "             */
  92   bfd_vma entry;                /* entry pt.                            */
  93   bfd_vma text_start;           /* base of text used for this file */
  94   bfd_vma data_start;           /* base of data used for this file */
  95
  96   /* i960 stuff */
  97   unsigned long tagentries;     /* number of tag entries to follow */
  98
  99   /* RS/6000 stuff */
 100   unsigned long o_toc;          /* address of TOC                       */
 101   short o_snentry;              /* section number for entry point */
 102   short o_sntext;               /* section number for text      */
 103   short o_sndata;               /* section number for data      */
 104   short o_sntoc;                /* section number for toc       */
 105   short o_snloader;             /* section number for loader section */
 106   short o_snbss;                /* section number for bss       */
 107   short o_algntext;             /* max alignment for text       */
 108   short o_algndata;             /* max alignment for data       */
 109   short o_modtype;              /* Module type field, 1R,RE,RO  */
 110   unsigned long o_maxstack;     /* max stack size allowed.      */
 111
 112   /* ECOFF stuff */
 113   bfd_vma bss_start;            /* Base of bss section.         */
 114   bfd_vma gp_value;             /* GP register value.           */
 115   unsigned long gprmask;        /* General registers used.      */
 116   unsigned long cprmask[4];     /* Coprocessor registers used.  */
 117   unsigned long fprmask;        /* Floating pointer registers used.  */
 118
 119   /* Apollo stuff */
 120   long o_inlib;                 /* inlib data */
 121   long o_sri;                   /* Static Resource Information */
 122   long vid[2];                  /* Version id */
 123
 124
 125   /* PE stuff  */
 126   bfd_vma ImageBase;          /* address of specific location in memory that
 127                                  file is located, NT default 0x10000 */
 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 region from image base to end last section */
 138   long    SizeOfHeaders; /* size of PE header and section table */
 139   long    CheckSum;  /* set to 0 */
 140   short   Subsystem; /* type of subsystem exe uses for user interface,
 141                         possible values:
 142                         1 - NATIVE   Doesn't require a subsystem
 143                         2 - WINDOWS_GUI runs in Windows GUI subsystem
 144                         3 - WINDOWS_CUI runs in Windows char sub. (console app)
 145                         5 - OS2_CUI runs in OS/2 character subsystem
 146                         7 - POSIX_CUI runs in Posix character subsystem */
 147   short   DllCharacteristics; /* flags for DLL init, use 0 */
 148   bfd_vma SizeOfStackReserve; /* amount of memory to reserve, def. 0x100000 */
 149   bfd_vma SizeOfStackCommit; /* amount of memory initially committed for
 150                                 initial thread's stack, default is 0x1000 */
 151   bfd_vma SizeOfHeapReserve; /* amount of virtual memory to reserve and */
 152   bfd_vma SizeOfHeapCommit;  /* commit, don't know what to defaut it to */
 153   long    LoaderFlags; /* can probably set to 0 */
 154   long    NumberOfRvaAndSizes; /* number of entries in next entry, 16 */
 155   IMAGE_DATA_DIRECTORY DataDirectory[IMAGE_NUMBEROF_DIRECTORY_ENTRIES];
 156
 157
 158 };
 159
 160
 161 /********************** STORAGE CLASSES **********************/
 162
 163 /* This used to be defined as -1, but now n_sclass is unsigned.  */
 164 #define C_EFCN          0xff    /* physical end of function     */
 165 #define C_NULL          0
 166 #define C_AUTO          1       /* automatic variable           */
 167 #define C_EXT           2       /* external symbol              */
 168 #define C_STAT          3       /* static                       */
 169 #define C_REG           4       /* register variable            */
 170 #define C_EXTDEF        5       /* external definition          */
 171 #define C_LABEL         6       /* label                        */
 172 #define C_ULABEL        7       /* undefined label              */
 173 #define C_MOS           8       /* member of structure          */
 174 #define C_ARG           9       /* function argument            */
 175 #define C_STRTAG        10      /* structure tag                */
 176 #define C_MOU           11      /* member of union              */
 177 #define C_UNTAG         12      /* union tag                    */
 178 #define C_TPDEF         13      /* type definition              */
 179 #define C_USTATIC       14      /* undefined static             */
 180 #define C_ENTAG         15      /* enumeration tag              */
 181 #define C_MOE           16      /* member of enumeration        */
 182 #define C_REGPARM       17      /* register parameter           */
 183 #define C_FIELD         18      /* bit field                    */
 184 #define C_AUTOARG       19      /* auto argument                */
 185 #define C_LASTENT       20      /* dummy entry (end of block)   */
 186 #define C_BLOCK         100     /* ".bb" or ".eb"               */
 187 #define C_FCN           101     /* ".bf" or ".ef"               */
 188 #define C_EOS           102     /* end of structure             */
 189 #define C_FILE          103     /* file name                    */
 190 #define C_LINE          104     /* line # reformatted as symbol table entry */
 191 #define C_ALIAS         105     /* duplicate tag                */
 192 #define C_HIDDEN        106     /* ext symbol in dmert public lib */
 193
 194 /* New storage classes for WINDOWS_NT   */
 195 #define C_SECTION       104     /* section name */
 196
 197  /* New storage classes for 80960 */
 198
 199 /* C_LEAFPROC is obsolete.  Use C_LEAFEXT or C_LEAFSTAT */
 200 #define C_LEAFPROC      108     /* Leaf procedure, "call" via BAL */
 201
 202 #define C_SCALL         107     /* Procedure reachable via system call */
 203 #define C_LEAFEXT       108     /* External leaf */
 204 #define C_LEAFSTAT      113     /* Static leaf */
 205 #define C_OPTVAR        109     /* Optimized variable           */
 206 #define C_DEFINE        110     /* Preprocessor #define         */
 207 #define C_PRAGMA        111     /* Advice to compiler or linker */
 208 #define C_SEGMENT       112     /* 80960 segment name           */
 209
 210   /* Storage classes for m88k */
 211 #define C_SHADOW        107     /* shadow symbol                */
 212 #define C_VERSION       108     /* coff version symbol          */
 213
 214  /* New storage classes for RS/6000 */
 215 #define C_HIDEXT        107     /* Un-named external symbol */
 216 #define C_BINCL         108     /* Marks beginning of include file */
 217 #define C_EINCL         109     /* Marks ending of include file */
 218
 219  /* storage classes for stab symbols for RS/6000 */
 220 #define C_GSYM          (0x80)
 221 #define C_LSYM          (0x81)
 222 #define C_PSYM          (0x82)
 223 #define C_RSYM          (0x83)
 224 #define C_RPSYM         (0x84)
 225 #define C_STSYM         (0x85)
 226 #define C_TCSYM         (0x86)
 227 #define C_BCOMM         (0x87)
 228 #define C_ECOML         (0x88)
 229 #define C_ECOMM         (0x89)
 230 #define C_DECL          (0x8c)
 231 #define C_ENTRY         (0x8d)
 232 #define C_FUN           (0x8e)
 233 #define C_BSTAT         (0x8f)
 234 #define C_ESTAT         (0x90)
 235
 236 /********************** SECTION HEADER **********************/
 237 struct internal_scnhdr
 238 {
 239   char s_name[8];               /* section name                 */
 240   bfd_vma s_paddr;              /* physical address, aliased s_nlib */
 241   bfd_vma s_vaddr;              /* virtual address              */
 242   bfd_vma s_size;               /* section size                 */
 243   bfd_vma s_scnptr;             /* file ptr to raw data for section */
 244   bfd_vma s_relptr;             /* file ptr to relocation       */
 245   bfd_vma s_lnnoptr;            /* file ptr to line numbers     */
 246   unsigned long s_nreloc;       /* number of relocation entries */
 247   unsigned long s_nlnno;        /* number of line number entries*/
 248   long s_flags;                 /* flags                        */
 249   long s_align;                 /* used on I960                 */
 250 };
 251
 252 /*
 253  * s_flags "type"
 254  */
 255 #define STYP_REG         (0x0000)       /* "regular": allocated, relocated, loaded */
 256 #define STYP_DSECT       (0x0001)       /* "dummy":  relocated only*/
 257 #define STYP_NOLOAD      (0x0002)       /* "noload": allocated, relocated, not loaded */
 258 #define STYP_GROUP       (0x0004)       /* "grouped": formed of input sections */
 259 #define STYP_PAD         (0x0008)       /* "padding": not allocated, not relocated, loaded */
 260 #define STYP_COPY        (0x0010)       /* "copy": for decision function used by field update;  not allocated, not relocated,
 261                                                                              loaded; reloc & lineno entries processed normally */
 262 #define STYP_TEXT        (0x0020)       /* section contains text only */
 263 #define S_SHRSEG         (0x0020)       /* In 3b Update files (output of ogen), sections which appear in SHARED segments of the Pfile
 264                                                                              will have the S_SHRSEG flag set by ogen, to inform dufr that updating 1 copy of the proc. will
 265                                                                              update all process invocations. */
 266 #define STYP_DATA        (0x0040)       /* section contains data only */
 267 #define STYP_BSS         (0x0080)       /* section contains bss only */
 268 #define S_NEWFCN         (0x0100)       /* In a minimal file or an update file, a new function (as compared with a replaced function) */
 269 #define STYP_INFO        (0x0200)       /* comment: not allocated not relocated, not loaded */
 270 #define STYP_OVER        (0x0400)       /* overlay: relocated not allocated or loaded */
 271 #define STYP_LIB         (0x0800)       /* for .lib: same as INFO */
 272 #define STYP_MERGE       (0x2000)       /* merge section -- combines with text, data or bss sections only */
 273 #define STYP_REVERSE_PAD (0x4000)       /* section will be padded with no-op instructions wherever padding is necessary and there is a
 274
 275                                                                              word of contiguous bytes
 276                                                                              beginning on a word boundary. */
 277
 278 #define STYP_LIT        0x8020  /* Literal data (like STYP_TEXT) */
 279
 280
 281
 282 /********************** LINE NUMBERS **********************/
 283
 284 /* 1 line number entry for every "breakpointable" source line in a section.
 285  * Line numbers are grouped on a per function basis; first entry in a function
 286  * grouping will have l_lnno = 0 and in place of physical address will be the
 287  * symbol table index of the function name.
 288  */
 289
 290 struct internal_lineno
 291 {
 292   union
 293   {
 294     long l_symndx;              /* function name symbol index, iff l_lnno == 0*/
 295     long l_paddr;               /* (physical) address of line number    */
 296   }     l_addr;
 297   unsigned long l_lnno;         /* line number          */
 298 };
 299
 300 /********************** SYMBOLS **********************/
 301
 302 #define SYMNMLEN        8       /* # characters in a symbol name        */
 303 #define FILNMLEN        14      /* # characters in a file name          */
 304 #define DIMNUM          4       /* # array dimensions in auxiliary entry */
 305
 306 struct internal_syment
 307 {
 308   union
 309   {
 310     char _n_name[SYMNMLEN];     /* old COFF version     */
 311     struct
 312     {
 313       long _n_zeroes;           /* new == 0             */
 314       long _n_offset;           /* offset into string table */
 315     }      _n_n;
 316     char *_n_nptr[2];           /* allows for overlaying        */
 317   }     _n;
 318   long n_value;                 /* value of symbol              */
 319   short n_scnum;                /* section number               */
 320   unsigned short n_flags;       /* copy of flags from filhdr    */
 321   unsigned short n_type;        /* type and derived type        */
 322   unsigned char n_sclass;               /* storage class                */
 323   char n_numaux;                /* number of aux. entries       */
 324 };
 325
 326 #define n_name          _n._n_name
 327 #define n_zeroes        _n._n_n._n_zeroes
 328 #define n_offset        _n._n_n._n_offset
 329
 330
 331 /* Relocatable symbols have number of the section in which they are defined,
 332    or one of the following: */
 333
 334 #define N_UNDEF ((short)0)      /* undefined symbol */
 335 #define N_ABS   ((short)-1)     /* value of symbol is absolute */
 336 #define N_DEBUG ((short)-2)     /* debugging symbol -- value is meaningless */
 337 #define N_TV    ((short)-3)     /* indicates symbol needs preload transfer vector */
 338 #define P_TV    ((short)-4)     /* indicates symbol needs postload transfer vector*/
 339
 340 /*
 341  * Type of a symbol, in low N bits of the word
 342  */
 343 #define T_NULL          0
 344 #define T_VOID          1       /* function argument (only used by compiler) */
 345 #define T_CHAR          2       /* character            */
 346 #define T_SHORT         3       /* short integer        */
 347 #define T_INT           4       /* integer              */
 348 #define T_LONG          5       /* long integer         */
 349 #define T_FLOAT         6       /* floating point       */
 350 #define T_DOUBLE        7       /* double word          */
 351 #define T_STRUCT        8       /* structure            */
 352 #define T_UNION         9       /* union                */
 353 #define T_ENUM          10      /* enumeration          */
 354 #define T_MOE           11      /* member of enumeration*/
 355 #define T_UCHAR         12      /* unsigned character   */
 356 #define T_USHORT        13      /* unsigned short       */
 357 #define T_UINT          14      /* unsigned integer     */
 358 #define T_ULONG         15      /* unsigned long        */
 359 #define T_LNGDBL        16      /* long double          */
 360
 361 /*
 362  * derived types, in n_type
 363 */
 364 #define DT_NON          (0)     /* no derived type */
 365 #define DT_PTR          (1)     /* pointer */
 366 #define DT_FCN          (2)     /* function */
 367 #define DT_ARY          (3)     /* array */
 368
 369 #define BTYPE(x)        ((x) & N_BTMASK)
 370
 371 #define ISPTR(x)        (((x) & N_TMASK) == (DT_PTR << N_BTSHFT))
 372 #define ISFCN(x)        (((x) & N_TMASK) == (DT_FCN << N_BTSHFT))
 373 #define ISARY(x)        (((x) & N_TMASK) == (DT_ARY << N_BTSHFT))
 374 #define ISTAG(x)        ((x)==C_STRTAG||(x)==C_UNTAG||(x)==C_ENTAG)
 375 #define DECREF(x) ((((x)>>N_TSHIFT)&~N_BTMASK)|((x)&N_BTMASK))
 376
 377
 378 union internal_auxent
 379 {
 380   struct
 381   {
 382
 383     union
 384     {
 385       long l;                   /* str, un, or enum tag indx */
 386       struct coff_ptr_struct *p;
 387     }     x_tagndx;
 388
 389     union
 390     {
 391       struct
 392       {
 393         unsigned short x_lnno;  /* declaration line number */
 394         unsigned short x_size;  /* str/union/array size */
 395       }      x_lnsz;
 396       long x_fsize;             /* size of function */
 397     }     x_misc;
 398
 399     union
 400     {
 401       struct
 402       {                         /* if ISFCN, tag, or .bb */
 403         long x_lnnoptr;         /* ptr to fcn line # */
 404         union
 405         {                       /* entry ndx past block end */
 406           long l;
 407           struct coff_ptr_struct *p;
 408         }     x_endndx;
 409       }      x_fcn;
 410
 411       struct
 412       {                         /* if ISARY, up to 4 dimen. */
 413         unsigned short x_dimen[DIMNUM];
 414       }      x_ary;
 415     }     x_fcnary;
 416
 417     unsigned short x_tvndx;     /* tv index */
 418   }      x_sym;
 419
 420   union
 421   {
 422     char x_fname[FILNMLEN];
 423     struct
 424     {
 425       long x_zeroes;
 426       long x_offset;
 427     }      x_n;
 428   }     x_file;
 429
 430   struct
 431   {
 432     long x_scnlen;              /* section length */
 433     unsigned short x_nreloc;    /* # relocation entries */
 434     unsigned short x_nlinno;    /* # line numbers */
 435   }      x_scn;
 436
 437   struct
 438   {
 439     long x_tvfill;              /* tv fill value */
 440     unsigned short x_tvlen;     /* length of .tv */
 441     unsigned short x_tvran[2];  /* tv range */
 442   }      x_tv;                  /* info about .tv section (in auxent of symbol .tv)) */
 443
 444   /******************************************
 445    * RS/6000-specific auxent - last auxent for every external symbol
 446    ******************************************/
 447   struct
 448   {
 449     union
 450       {                         /* csect length or enclosing csect */
 451         long l;
 452         struct coff_ptr_struct *p;
 453       } x_scnlen;
 454     long x_parmhash;            /* parm type hash index */
 455     unsigned short x_snhash;    /* sect num with parm hash */
 456     unsigned char x_smtyp;      /* symbol align and type */
 457     /* 0-4 - Log 2 of alignment */
 458     /* 5-7 - symbol type */
 459     unsigned char x_smclas;     /* storage mapping class */
 460     long x_stab;                /* dbx stab info index */
 461     unsigned short x_snstab;    /* sect num with dbx stab */
 462   }      x_csect;               /* csect definition information */
 463
 464 /* x_smtyp values:  */
 465
 466 #define SMTYP_ALIGN(x)  ((x) >> 3)      /* log2 of alignment */
 467 #define SMTYP_SMTYP(x)  ((x) & 0x7)     /* symbol type */
 468 /* Symbol type values:  */
 469 #define XTY_ER  0               /* External reference */
 470 #define XTY_SD  1               /* Csect definition */
 471 #define XTY_LD  2               /* Label definition */
 472 #define XTY_CM  3               /* .BSS */
 473 #define XTY_EM  4               /* Error message */
 474 #define XTY_US  5               /* "Reserved for internal use" */
 475
 476 /* x_smclas values:  */
 477
 478 #define XMC_PR  0               /* Read-only program code */
 479 #define XMC_RO  1               /* Read-only constant */
 480 #define XMC_DB  2               /* Read-only debug dictionary table */
 481 #define XMC_TC  3               /* Read-write general TOC entry */
 482 #define XMC_UA  4               /* Read-write unclassified */
 483 #define XMC_RW  5               /* Read-write data */
 484 #define XMC_GL  6               /* Read-only global linkage */
 485 #define XMC_XO  7               /* Read-only extended operation (simulated insn) */
 486 #define XMC_SV  8               /* Read-only supervisor call */
 487 #define XMC_BS  9               /* Read-write BSS */
 488 #define XMC_DS  10              /* Read-write descriptor csect */
 489 #define XMC_UC  11              /* Read-write unnamed Fortran common */
 490 #define XMC_TI  12              /* Read-only traceback index csect */
 491 #define XMC_TB  13              /* Read-only traceback table csect */
 492 /*              14      ??? */
 493 #define XMC_TC0 15              /* Read-write TOC anchor for TOC addressability */
 494
 495
 496   /******************************************
 497    *  I960-specific *2nd* aux. entry formats
 498    ******************************************/
 499   struct
 500   {
 501     /* This is a very old typo that keeps getting propagated. */
 502 #define x_stdindx x_stindx
 503     long x_stindx;              /* sys. table entry */
 504   }      x_sc;                  /* system call entry */
 505
 506   struct
 507   {
 508     unsigned long x_balntry;    /* BAL entry point */
 509   }      x_bal;                 /* BAL-callable function */
 510
 511   struct
 512   {
 513     unsigned long x_timestamp;  /* time stamp */
 514     char x_idstring[20];        /* producer identity string */
 515   }      x_ident;               /* Producer ident info */
 516
 517 };
 518
 519 /********************** RELOCATION DIRECTIVES **********************/
 520
 521 struct internal_reloc
 522 {
 523   bfd_vma r_vaddr;              /* Virtual address of reference */
 524   long r_symndx;                /* Index into symbol table      */
 525   unsigned short r_type;        /* Relocation type              */
 526   unsigned char r_size;         /* Used by RS/6000 and ECOFF    */
 527   unsigned char r_extern;       /* Used by ECOFF                */
 528   unsigned long r_offset;       /* Used by Alpha ECOFF, SPARC, others */
 529 };
 530
 531 #define R_RELBYTE       017
 532 #define R_RELWORD       020
 533 #define R_PCRBYTE       022
 534 #define R_PCRWORD       023
 535 #define R_PCRLONG       024
 536
 537 #define R_DIR16         01
 538 #define R_DIR32         06
 539 #define R_PCLONG        020
 540 #define R_RELBYTE       017
 541 #define R_RELWORD       020
 542
 543
 544
 545 #define R_PCR16L 128
 546 #define R_PCR26L 129
 547 #define R_VRT16  130
 548 #define R_HVRT16 131
 549 #define R_LVRT16 132
 550 #define R_VRT32  133
 551 #define R_RELLONG       (0x11)  /* Direct 32-bit relocation */
 552 #define R_IPRSHORT      (0x18)
 553 #define R_IPRMED        (0x19)  /* 24-bit ip-relative relocation */
 554 #define R_IPRLONG       (0x1a)
 555 #define R_OPTCALL       (0x1b)  /* 32-bit optimizable call (leafproc/sysproc) */
 556 #define R_OPTCALLX      (0x1c)  /* 64-bit optimizable call (leafproc/sysproc) */
 557 #define R_GETSEG        (0x1d)
 558 #define R_GETPA         (0x1e)
 559 #define R_TAGWORD       (0x1f)
 560 #define R_JUMPTARG      0x20    /* strange 29k 00xx00xx reloc */
 561
 562
 563 #define R_MOVB1         0x41    /* Special h8 16bit or 8 bit reloc for mov.b    */
 564 #define R_MOVB2         0x42    /* Special h8 opcode for 8bit which could be 16 */
 565 #define R_JMP1          0x43    /* Special h8 16bit jmp which could be pcrel    */
 566 #define R_JMP2          0x44    /* a branch which used to be a jmp              */
 567 #define R_RELLONG_NEG   0x45
 568
 569 #define R_JMPL1         0x46    /* Special h8 24bit jmp which could be pcrel    */
 570 #define R_JMPL_B8       0x47    /* a 8 bit pcrel which used to be a jmp  */
 571
 572 #define R_MOVLB1        0x48    /* Special h8 24bit or 8 bit reloc for mov.b    */
 573 #define R_MOVLB2        0x49    /* Special h8 opcode for 8bit which could be 24 */
 574
 575 /* Z8k modes */
 576 #define R_IMM16   0x01          /* 16 bit abs */
 577 #define R_JR      0x02          /* jr  8 bit disp */
 578 #define R_IMM4L   0x23          /* low nibble */
 579 #define R_IMM8    0x22          /* 8 bit abs */
 580 #define R_IMM32   R_RELLONG     /* 32 bit abs */
 581 #define R_CALL    R_DA          /* Absolute address which could be a callr */
 582 #define R_JP      R_DA          /* Absolute address which could be a jp */
 583 #define R_REL16   0x04          /* 16 bit PC rel */
 584 #define R_CALLR   0x05          /* callr 12 bit disp */
 585 #define R_SEG     0x10          /* set if in segmented mode */
 586 #define R_IMM4H   0x24          /* high nibble */
 587 #define R_DISP7   0x25          /* djnz displacement */
 588
 589 /* H8500 modes */
 590
 591 #define R_H8500_IMM8    1               /*  8 bit immediate     */
 592 #define R_H8500_IMM16   2               /* 16 bit immediate     */
 593 #define R_H8500_PCREL8  3               /*  8 bit pcrel         */
 594 #define R_H8500_PCREL16 4               /* 16 bit pcrel         */
 595 #define R_H8500_HIGH8   5               /* high 8 bits of 24 bit address */
 596 #define R_H8500_LOW16   7               /* low 16 bits of 24 bit immediate */
 597 #define R_H8500_IMM24   6               /* 24 bit immediate */
 598 #define R_H8500_IMM32   8               /* 32 bit immediate */
 599 #define R_H8500_HIGH16  9               /* high 16 bits of 32 bit immediate */
 600
 601 /* SH modes */
 602
 603 #define R_SH_PCREL8     3               /*  8 bit pcrel         */
 604 #define R_SH_PCREL16    4               /* 16 bit pcrel         */
 605 #define R_SH_HIGH8      5               /* high 8 bits of 24 bit address */
 606 #define R_SH_LOW16      7               /* low 16 bits of 24 bit immediate */
 607 #define R_SH_IMM24      6               /* 24 bit immediate */
 608 #define R_SH_PCDISP8BY4 9               /* PC rel 8 bits *4 +ve */
 609 #define R_SH_PCDISP8BY2 10              /* PC rel 8 bits *2 +ve */
 610 #define R_SH_PCDISP8    11              /* 8 bit branch */
 611 #define R_SH_PCDISP     12              /* 12 bit branch */
 612 #define R_SH_IMM32      14              /* 32 bit immediate */
 613 #define R_SH_IMM8       16
 614 #define R_SH_IMM8BY2    17
 615 #define R_SH_IMM8BY4    18
 616 #define R_SH_IMM4       19
 617 #define R_SH_IMM4BY2    20
 618 #define R_SH_IMM4BY4    21
 619 #define R_SH_PCRELIMM8BY2   22
 620 #define R_SH_PCRELIMM8BY4   23
 621 #define R_SH_IMM16      24              /* 16 bit immediate */
 622
 623
 624
 625 /* W65 modes */
 626
 627 #define R_W65_ABS8      1  /* addr & 0xff               */
 628 #define R_W65_ABS16     2  /* addr & 0xffff             */
 629 #define R_W65_ABS24     3  /* addr & 0xffffff           */
 630
 631 #define R_W65_ABS8S8    4  /* (addr >> 8) & 0xff        */
 632 #define R_W65_ABS8S16   5  /* (addr >> 16) & 0xff       */
 633
 634 #define R_W65_ABS16S8   6  /* (addr >> 8) & 0ffff       */
 635 #define R_W65_ABS16S16  7  /* (addr >> 16) & 0ffff      */
 636
 637 #define R_W65_PCR8      8
 638 #define R_W65_PCR16     9
 639
 640 #define R_W65_DP       10  /* direct page 8 bits only   */
 641