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 /* extra stuff in a PE header. */
  14
  15 struct internal_extra_pe_filehdr
  16 {
  17   /* DOS header data follows for PE stuff */
  18   unsigned short e_magic;       /* Magic number, 0x5a4d */
  19   unsigned short e_cblp;        /* Bytes on last page of file, 0x90 */
  20   unsigned short e_cp;          /* Pages in file, 0x3 */
  21   unsigned short e_crlc;        /* Relocations, 0x0 */
  22   unsigned short e_cparhdr;     /* Size of header in paragraphs, 0x4 */
  23   unsigned short e_minalloc;    /* Minimum extra paragraphs needed, 0x0 */
  24   unsigned short e_maxalloc;    /* Maximum extra paragraphs needed, 0xFFFF */
  25   unsigned short e_ss;          /* Initial (relative) SS value, 0x0 */
  26   unsigned short e_sp;          /* Initial SP value, 0xb8 */
  27   unsigned short e_csum;        /* Checksum, 0x0 */
  28   unsigned short e_ip;          /* Initial IP value, 0x0 */
  29   unsigned short e_cs;          /* Initial (relative) CS value, 0x0 */
  30   unsigned short e_lfarlc;      /* File address of relocation table, 0x40 */
  31   unsigned short e_ovno;        /* Overlay number, 0x0 */
  32   unsigned short e_res[4];      /* Reserved words, all 0x0 */
  33   unsigned short e_oemid;       /* OEM identifier (for e_oeminfo), 0x0 */
  34   unsigned short e_oeminfo;     /* OEM information; e_oemid specific, 0x0 */
  35   unsigned short e_res2[10];    /* Reserved words, all 0x0 */
  36   bfd_vma  e_lfanew;            /* File address of new exe header, 0x80 */
  37   unsigned long dos_message[16]; /* text which always follows dos header */
  38   bfd_vma  nt_signature;        /* required NT signature, 0x4550 */
  39 };
  40
  41 struct internal_filehdr
  42 {
  43   struct internal_extra_pe_filehdr pe;
  44
  45   /* standard coff  internal info */
  46   unsigned short f_magic;       /* magic number                 */
  47   unsigned short f_nscns;       /* number of sections           */
  48   long f_timdat;                /* time & date stamp            */
  49   bfd_vma f_symptr;             /* file pointer to symtab       */
  50   long f_nsyms;                 /* number of symtab entries     */
  51   unsigned short f_opthdr;      /* sizeof(optional hdr)         */
  52   unsigned short f_flags;       /* flags                        */
  53 };
  54
  55
  56 /* Bits for f_flags:
  57  *      F_RELFLG        relocation info stripped from file
  58  *      F_EXEC          file is executable (no unresolved external references)
  59  *      F_LNNO          line numbers stripped from file
  60  *      F_LSYMS         local symbols stripped from file
  61  *      F_AR16WR        file is 16-bit little-endian
  62  *      F_AR32WR        file is 32-bit little-endian
  63  *      F_AR32W         file is 32-bit big-endian
  64  *      F_DYNLOAD       rs/6000 aix: dynamically loadable w/imports & exports
  65  *      F_SHROBJ        rs/6000 aix: file is a shared object
  66  *      F_DLL           PE format DLL
  67  */
  68
  69 #define F_RELFLG        (0x0001)
  70 #define F_EXEC          (0x0002)
  71 #define F_LNNO          (0x0004)
  72 #define F_LSYMS         (0x0008)
  73 #define F_AR16WR        (0x0080)
  74 #define F_AR32WR        (0x0100)
  75 #define F_AR32W         (0x0200)
  76 #define F_DYNLOAD       (0x1000)
  77 #define F_SHROBJ        (0x2000)
  78 #define F_DLL           (0x2000)
  79
  80 /* extra structure which is used in the optional header */
  81 typedef struct _IMAGE_DATA_DIRECTORY
  82 {
  83   bfd_vma VirtualAddress;
  84   long    Size;
  85 }  IMAGE_DATA_DIRECTORY;
  86 #define IMAGE_NUMBEROF_DIRECTORY_ENTRIES  16
  87
  88 /* default image base for NT */
  89 #define NT_EXE_IMAGE_BASE 0x400000
  90 #define NT_DLL_IMAGE_BASE 0x10000000
  91
  92 /* Extra stuff in a PE aouthdr */
  93
  94 #define PE_DEF_SECTION_ALIGNMENT 0x1000
  95 #define PE_DEF_FILE_ALIGNMENT 0x200
  96
  97 struct internal_extra_pe_aouthdr
  98 {
  99   /* PE stuff  */
 100   bfd_vma ImageBase;            /* address of specific location in memory that
 101                                    file is located, NT default 0x10000 */
 102
 103   bfd_vma SectionAlignment;     /* section alignment default 0x1000 */
 104   bfd_vma FileAlignment;        /* file alignment default 0x200 */
 105   short   MajorOperatingSystemVersion; /* minimum version of the operating */
 106   short   MinorOperatingSystemVersion; /* system req'd for exe, default to 1*/
 107   short   MajorImageVersion;    /* user defineable field to store version of */
 108   short   MinorImageVersion;    /* exe or dll being created, default to 0 */
 109   short   MajorSubsystemVersion; /* minimum subsystem version required to */
 110   short   MinorSubsystemVersion; /* run exe; default to 3.1 */
 111   long    Reserved1;            /* seems to be 0 */
 112   long    SizeOfImage;          /* size of memory to allocate for prog */
 113   long    SizeOfHeaders;        /* size of PE header and section table */
 114   long    CheckSum;             /* set to 0 */
 115   short   Subsystem;
 116
 117   /* type of subsystem exe uses for user interface,
 118      possible values:
 119      1 - NATIVE   Doesn't require a subsystem
 120      2 - WINDOWS_GUI runs in Windows GUI subsystem
 121      3 - WINDOWS_CUI runs in Windows char sub. (console app)
 122      5 - OS2_CUI runs in OS/2 character subsystem
 123      7 - POSIX_CUI runs in Posix character subsystem */
 124   short   DllCharacteristics;   /* flags for DLL init, use 0 */
 125   bfd_vma SizeOfStackReserve;   /* amount of memory to reserve  */
 126   bfd_vma SizeOfStackCommit;    /* amount of memory initially committed for
 127                                    initial thread's stack, default is 0x1000 */
 128   bfd_vma SizeOfHeapReserve;    /* amount of virtual memory to reserve and */
 129   bfd_vma SizeOfHeapCommit;     /* commit, don't know what to defaut it to */
 130   long    LoaderFlags;          /* can probably set to 0 */
 131   long    NumberOfRvaAndSizes;  /* number of entries in next entry, 16 */
 132   IMAGE_DATA_DIRECTORY DataDirectory[IMAGE_NUMBEROF_DIRECTORY_ENTRIES];
 133 };
 134
 135 /********************** AOUT "OPTIONAL HEADER" **********************/
 136 struct internal_aouthdr
 137 {
 138   short magic;                  /* type of file                         */
 139   short vstamp;                 /* version stamp                        */
 140   bfd_vma tsize;                /* text size in bytes, padded to FW bdry*/
 141   bfd_vma dsize;                /* initialized data "  "                */
 142   bfd_vma bsize;                /* uninitialized data "   "             */
 143   bfd_vma entry;                /* entry pt.                            */
 144   bfd_vma text_start;           /* base of text used for this file */
 145   bfd_vma data_start;           /* base of data used for this file */
 146
 147   /* i960 stuff */
 148   unsigned long tagentries;     /* number of tag entries to follow */
 149
 150   /* RS/6000 stuff */
 151   unsigned long o_toc;          /* address of TOC                       */
 152   short o_snentry;              /* section number for entry point */
 153   short o_sntext;               /* section number for text      */
 154   short o_sndata;               /* section number for data      */
 155   short o_sntoc;                /* section number for toc       */
 156   short o_snloader;             /* section number for loader section */
 157   short o_snbss;                /* section number for bss       */
 158   short o_algntext;             /* max alignment for text       */
 159   short o_algndata;             /* max alignment for data       */
 160   short o_modtype;              /* Module type field, 1R,RE,RO  */
 161   unsigned long o_maxstack;     /* max stack size allowed.      */
 162   unsigned long o_maxdata;      /* max data size allowed.       */
 163
 164   /* ECOFF stuff */
 165   bfd_vma bss_start;            /* Base of bss section.         */
 166   bfd_vma gp_value;             /* GP register value.           */
 167   unsigned long gprmask;        /* General registers used.      */
 168   unsigned long cprmask[4];     /* Coprocessor registers used.  */
 169   unsigned long fprmask;        /* Floating pointer registers used.  */
 170
 171   /* Apollo stuff */
 172   long o_inlib;                 /* inlib data */
 173   long o_sri;                   /* Static Resource Information */
 174   long vid[2];                  /* Version id */
 175
 176
 177   struct internal_extra_pe_aouthdr pe;
 178
 179 };
 180
 181 /********************** STORAGE CLASSES **********************/
 182
 183 /* This used to be defined as -1, but now n_sclass is unsigned.  */
 184 #define C_EFCN          0xff    /* physical end of function     */
 185 #define C_NULL          0
 186 #define C_AUTO          1       /* automatic variable           */
 187 #define C_EXT           2       /* external symbol              */
 188 #define C_STAT          3       /* static                       */
 189 #define C_REG           4       /* register variable            */
 190 #define C_EXTDEF        5       /* external definition          */
 191 #define C_LABEL         6       /* label                        */
 192 #define C_ULABEL        7       /* undefined label              */
 193 #define C_MOS           8       /* member of structure          */
 194 #define C_ARG           9       /* function argument            */
 195 #define C_STRTAG        10      /* structure tag                */
 196 #define C_MOU           11      /* member of union              */
 197 #define C_UNTAG         12      /* union tag                    */
 198 #define C_TPDEF         13      /* type definition              */
 199 #define C_USTATIC       14      /* undefined static             */
 200 #define C_ENTAG         15      /* enumeration tag              */
 201 #define C_MOE           16      /* member of enumeration        */
 202 #define C_REGPARM       17      /* register parameter           */
 203 #define C_FIELD         18      /* bit field                    */
 204 #define C_AUTOARG       19      /* auto argument                */
 205 #define C_LASTENT       20      /* dummy entry (end of block)   */
 206 #define C_BLOCK         100     /* ".bb" or ".eb"               */
 207 #define C_FCN           101     /* ".bf" or ".ef"               */
 208 #define C_EOS           102     /* end of structure             */
 209 #define C_FILE          103     /* file name                    */
 210 #define C_LINE          104     /* line # reformatted as symbol table entry */
 211 #define C_ALIAS         105     /* duplicate tag                */
 212 #define C_HIDDEN        106     /* ext symbol in dmert public lib */
 213
 214 /* New storage classes for WINDOWS_NT   */
 215 #define C_SECTION       104     /* section name */
 216
 217  /* New storage classes for 80960 */
 218
 219 /* C_LEAFPROC is obsolete.  Use C_LEAFEXT or C_LEAFSTAT */
 220 #define C_LEAFPROC      108     /* Leaf procedure, "call" via BAL */
 221
 222 #define C_SCALL         107     /* Procedure reachable via system call */
 223 #define C_LEAFEXT       108     /* External leaf */
 224 #define C_LEAFSTAT      113     /* Static leaf */
 225 #define C_OPTVAR        109     /* Optimized variable           */
 226 #define C_DEFINE        110     /* Preprocessor #define         */
 227 #define C_PRAGMA        111     /* Advice to compiler or linker */
 228 #define C_SEGMENT       112     /* 80960 segment name           */
 229
 230   /* Storage classes for m88k */
 231 #define C_SHADOW        107     /* shadow symbol                */
 232 #define C_VERSION       108     /* coff version symbol          */
 233
 234  /* New storage classes for RS/6000 */
 235 #define C_HIDEXT        107     /* Un-named external symbol */
 236 #define C_BINCL         108     /* Marks beginning of include file */
 237 #define C_EINCL         109     /* Marks ending of include file */
 238
 239  /* storage classes for stab symbols for RS/6000 */
 240 #define C_GSYM          (0x80)
 241 #define C_LSYM          (0x81)
 242 #define C_PSYM          (0x82)
 243 #define C_RSYM          (0x83)
 244 #define C_RPSYM         (0x84)
 245 #define C_STSYM         (0x85)
 246 #define C_TCSYM         (0x86)
 247 #define C_BCOMM         (0x87)
 248 #define C_ECOML         (0x88)
 249 #define C_ECOMM         (0x89)
 250 #define C_DECL          (0x8c)
 251 #define C_ENTRY         (0x8d)
 252 #define C_FUN           (0x8e)
 253 #define C_BSTAT         (0x8f)
 254 #define C_ESTAT         (0x90)
 255
 256 /********************** SECTION HEADER **********************/
 257 struct internal_scnhdr
 258 {
 259   char s_name[8];               /* section name                 */
 260   bfd_vma s_paddr;              /* physical address, aliased s_nlib */
 261   bfd_vma s_vaddr;              /* virtual address              */
 262   bfd_vma s_size;               /* section size                 */
 263   bfd_vma s_scnptr;             /* file ptr to raw data for section */
 264   bfd_vma s_relptr;             /* file ptr to relocation       */
 265   bfd_vma s_lnnoptr;            /* file ptr to line numbers     */
 266   unsigned long s_nreloc;       /* number of relocation entries */
 267   unsigned long s_nlnno;        /* number of line number entries*/
 268   long s_flags;                 /* flags                        */
 269   long s_align;                 /* used on I960                 */
 270 };
 271
 272 /*
 273  * s_flags "type"
 274  */
 275 #define STYP_REG         (0x0000)       /* "regular": allocated, relocated, loaded */
 276 #define STYP_DSECT       (0x0001)       /* "dummy":  relocated only*/
 277 #define STYP_NOLOAD      (0x0002)       /* "noload": allocated, relocated, not loaded */
 278 #define STYP_GROUP       (0x0004)       /* "grouped": formed of input sections */
 279 #define STYP_PAD         (0x0008)       /* "padding": not allocated, not relocated, loaded */
 280 #define STYP_COPY        (0x0010)       /* "copy": for decision function used by field update;  not allocated, not relocated,
 281                                                                              loaded; reloc & lineno entries processed normally */
 282 #define STYP_TEXT        (0x0020)       /* section contains text only */
 283 #define S_SHRSEG         (0x0020)       /* In 3b Update files (output of ogen), sections which appear in SHARED segments of the Pfile
 284                                                                              will have the S_SHRSEG flag set by ogen, to inform dufr that updating 1 copy of the proc. will
 285                                                                              update all process invocations. */
 286 #define STYP_DATA        (0x0040)       /* section contains data only */
 287 #define STYP_BSS         (0x0080)       /* section contains bss only */
 288 #define S_NEWFCN         (0x0100)       /* In a minimal file or an update file, a new function (as compared with a replaced function) */
 289 #define STYP_INFO        (0x0200)       /* comment: not allocated not relocated, not loaded */
 290 #define STYP_OVER        (0x0400)       /* overlay: relocated not allocated or loaded */
 291 #define STYP_LIB         (0x0800)       /* for .lib: same as INFO */
 292 #define STYP_MERGE       (0x2000)       /* merge section -- combines with text, data or bss sections only */
 293 #define STYP_REVERSE_PAD (0x4000)       /* section will be padded with no-op instructions wherever padding is necessary and there is a
 294
 295                                                                              word of contiguous bytes
 296                                                                              beginning on a word boundary. */
 297
 298 #define STYP_LIT        0x8020  /* Literal data (like STYP_TEXT) */
 299
 300
 301
 302 /********************** LINE NUMBERS **********************/
 303
 304 /* 1 line number entry for every "breakpointable" source line in a section.
 305  * Line numbers are grouped on a per function basis; first entry in a function
 306  * grouping will have l_lnno = 0 and in place of physical address will be the
 307  * symbol table index of the function name.
 308  */
 309
 310 struct internal_lineno
 311 {
 312   union
 313   {
 314     long l_symndx;              /* function name symbol index, iff l_lnno == 0*/
 315     long l_paddr;               /* (physical) address of line number    */
 316   }     l_addr;
 317   unsigned long l_lnno;         /* line number          */
 318 };
 319
 320 /********************** SYMBOLS **********************/
 321
 322 #define SYMNMLEN        8       /* # characters in a symbol name        */
 323 #define FILNMLEN        14      /* # characters in a file name          */
 324 #define DIMNUM          4       /* # array dimensions in auxiliary entry */
 325
 326 struct internal_syment
 327 {
 328   union
 329   {
 330     char _n_name[SYMNMLEN];     /* old COFF version     */
 331     struct
 332     {
 333       long _n_zeroes;           /* new == 0             */
 334       long _n_offset;           /* offset into string table */
 335     }      _n_n;
 336     char *_n_nptr[2];           /* allows for overlaying        */
 337   }     _n;
 338   long n_value;                 /* value of symbol              */
 339   short n_scnum;                /* section number               */
 340   unsigned short n_flags;       /* copy of flags from filhdr    */
 341   unsigned short n_type;        /* type and derived type        */
 342   unsigned char n_sclass;       /* storage class                */
 343   unsigned char n_numaux;       /* number of aux. entries       */
 344 };
 345
 346 #define n_name          _n._n_name
 347 #define n_zeroes        _n._n_n._n_zeroes
 348 #define n_offset        _n._n_n._n_offset
 349
 350
 351 /* Relocatable symbols have number of the section in which they are defined,
 352    or one of the following: */
 353
 354 #define N_UNDEF ((short)0)      /* undefined symbol */
 355 #define N_ABS   ((short)-1)     /* value of symbol is absolute */
 356 #define N_DEBUG ((short)-2)     /* debugging symbol -- value is meaningless */
 357 #define N_TV    ((short)-3)     /* indicates symbol needs preload transfer vector */
 358 #define P_TV    ((short)-4)     /* indicates symbol needs postload transfer vector*/
 359
 360 /*
 361  * Type of a symbol, in low N bits of the word
 362  */
 363 #define T_NULL          0
 364 #define T_VOID          1       /* function argument (only used by compiler) */
 365 #define T_CHAR          2       /* character            */
 366 #define T_SHORT         3       /* short integer        */
 367 #define T_INT           4       /* integer              */
 368 #define T_LONG          5       /* long integer         */
 369 #define T_FLOAT         6       /* floating point       */
 370 #define T_DOUBLE        7       /* double word          */
 371 #define T_STRUCT        8       /* structure            */
 372 #define T_UNION         9       /* union                */
 373 #define T_ENUM          10      /* enumeration          */
 374 #define T_MOE           11      /* member of enumeration*/
 375 #define T_UCHAR         12      /* unsigned character   */
 376 #define T_USHORT        13      /* unsigned short       */
 377 #define T_UINT          14      /* unsigned integer     */
 378 #define T_ULONG         15      /* unsigned long        */
 379 #define T_LNGDBL        16      /* long double          */
 380
 381 /*
 382  * derived types, in n_type
 383 */
 384 #define DT_NON          (0)     /* no derived type */
 385 #define DT_PTR          (1)     /* pointer */
 386 #define DT_FCN          (2)     /* function */
 387 #define DT_ARY          (3)     /* array */
 388
 389 #define BTYPE(x)        ((x) & N_BTMASK)
 390
 391 #define ISPTR(x)        (((x) & N_TMASK) == (DT_PTR << N_BTSHFT))
 392 #define ISFCN(x)        (((x) & N_TMASK) == (DT_FCN << N_BTSHFT))
 393 #define ISARY(x)        (((x) & N_TMASK) == (DT_ARY << N_BTSHFT))
 394 #define ISTAG(x)        ((x)==C_STRTAG||(x)==C_UNTAG||(x)==C_ENTAG)
 395 #define DECREF(x) ((((x)>>N_TSHIFT)&~N_BTMASK)|((x)&N_BTMASK))
 396
 397
 398 union internal_auxent
 399 {
 400   struct
 401   {
 402
 403     union
 404     {
 405       long l;                   /* str, un, or enum tag indx */
 406       struct coff_ptr_struct *p;
 407     }     x_tagndx;
 408
 409     union
 410     {
 411       struct
 412       {
 413         unsigned short x_lnno;  /* declaration line number */
 414         unsigned short x_size;  /* str/union/array size */
 415       }      x_lnsz;
 416       long x_fsize;             /* size of function */
 417     }     x_misc;
 418
 419     union
 420     {
 421       struct
 422       {                         /* if ISFCN, tag, or .bb */
 423         long x_lnnoptr;         /* ptr to fcn line # */
 424         union
 425         {                       /* entry ndx past block end */
 426           long l;
 427           struct coff_ptr_struct *p;
 428         }     x_endndx;
 429       }      x_fcn;
 430
 431       struct
 432       {                         /* if ISARY, up to 4 dimen. */
 433         unsigned short x_dimen[DIMNUM];
 434       }      x_ary;
 435     }     x_fcnary;
 436
 437     unsigned short x_tvndx;     /* tv index */
 438   }      x_sym;
 439
 440   union
 441   {
 442     char x_fname[FILNMLEN];
 443     struct
 444     {
 445       long x_zeroes;
 446       long x_offset;
 447     }      x_n;
 448   }     x_file;
 449
 450   struct
 451   {
 452     long x_scnlen;              /* section length */
 453     unsigned short x_nreloc;    /* # relocation entries */
 454     unsigned short x_nlinno;    /* # line numbers */
 455   }      x_scn;
 456
 457   struct
 458   {
 459     long x_tvfill;              /* tv fill value */
 460     unsigned short x_tvlen;     /* length of .tv */
 461     unsigned short x_tvran[2];  /* tv range */
 462   }      x_tv;                  /* info about .tv section (in auxent of symbol .tv)) */
 463
 464   /******************************************
 465    * RS/6000-specific auxent - last auxent for every external symbol
 466    ******************************************/
 467   struct
 468   {
 469     union
 470       {                         /* csect length or enclosing csect */
 471         long l;
 472         struct coff_ptr_struct *p;
 473       } x_scnlen;
 474     long x_parmhash;            /* parm type hash index */
 475     unsigned short x_snhash;    /* sect num with parm hash */
 476     unsigned char x_smtyp;      /* symbol align and type */
 477     /* 0-4 - Log 2 of alignment */
 478     /* 5-7 - symbol type */
 479     unsigned char x_smclas;     /* storage mapping class */
 480     long x_stab;                /* dbx stab info index */
 481     unsigned short x_snstab;    /* sect num with dbx stab */
 482   }      x_csect;               /* csect definition information */
 483
 484 /* x_smtyp values:  */
 485
 486 #define SMTYP_ALIGN(x)  ((x) >> 3)      /* log2 of alignment */
 487 #define SMTYP_SMTYP(x)  ((x) & 0x7)     /* symbol type */
 488 /* Symbol type values:  */
 489 #define XTY_ER  0               /* External reference */
 490 #define XTY_SD  1               /* Csect definition */
 491 #define XTY_LD  2               /* Label definition */
 492 #define XTY_CM  3               /* .BSS */
 493 #define XTY_EM  4               /* Error message */
 494 #define XTY_US  5               /* "Reserved for internal use" */
 495
 496 /* x_smclas values:  */
 497
 498 #define XMC_PR  0               /* Read-only program code */
 499 #define XMC_RO  1               /* Read-only constant */
 500 #define XMC_DB  2               /* Read-only debug dictionary table */
 501 #define XMC_TC  3               /* Read-write general TOC entry */
 502 #define XMC_UA  4               /* Read-write unclassified */
 503 #define XMC_RW  5               /* Read-write data */
 504 #define XMC_GL  6               /* Read-only global linkage */
 505 #define XMC_XO  7               /* Read-only extended operation (simulated insn) */
 506 #define XMC_SV  8               /* Read-only supervisor call */
 507 #define XMC_BS  9               /* Read-write BSS */
 508 #define XMC_DS  10              /* Read-write descriptor csect */
 509 #define XMC_UC  11              /* Read-write unnamed Fortran common */
 510 #define XMC_TI  12              /* Read-only traceback index csect */
 511 #define XMC_TB  13              /* Read-only traceback table csect */
 512 /*              14      ??? */
 513 #define XMC_TC0 15              /* Read-write TOC anchor for TOC addressability */
 514
 515
 516   /******************************************
 517    *  I960-specific *2nd* aux. entry formats
 518    ******************************************/
 519   struct
 520   {
 521     /* This is a very old typo that keeps getting propagated. */
 522 #define x_stdindx x_stindx
 523     long x_stindx;              /* sys. table entry */
 524   }      x_sc;                  /* system call entry */
 525
 526   struct
 527   {
 528     unsigned long x_balntry;    /* BAL entry point */
 529   }      x_bal;                 /* BAL-callable function */
 530
 531   struct
 532   {
 533     unsigned long x_timestamp;  /* time stamp */
 534     char x_idstring[20];        /* producer identity string */
 535   }      x_ident;               /* Producer ident info */
 536
 537 };
 538
 539 /********************** RELOCATION DIRECTIVES **********************/
 540
 541 struct internal_reloc
 542 {
 543   bfd_vma r_vaddr;              /* Virtual address of reference */
 544   long r_symndx;                /* Index into symbol table      */
 545   unsigned short r_type;        /* Relocation type              */
 546   unsigned char r_size;         /* Used by RS/6000 and ECOFF    */
 547   unsigned char r_extern;       /* Used by ECOFF                */
 548   unsigned long r_offset;       /* Used by Alpha ECOFF, SPARC, others */
 549 };
 550
 551 #define R_RELBYTE       017
 552 #define R_RELWORD       020
 553 #define R_PCRBYTE       022
 554 #define R_PCRWORD       023
 555 #define R_PCRLONG       024
 556
 557 #define R_DIR16         01
 558 #define R_DIR32         06
 559 #define R_PCLONG        020
 560 #define R_RELBYTE       017
 561 #define R_RELWORD       020
 562 #define R_IMAGEBASE     07
 563
 564
 565 #define R_PCR16L 128
 566 #define R_PCR26L 129
 567 #define R_VRT16  130
 568 #define R_HVRT16 131
 569 #define R_LVRT16 132
 570 #define R_VRT32  133
 571 #define R_RELLONG       (0x11)  /* Direct 32-bit relocation */
 572 #define R_IPRSHORT      (0x18)
 573 #define R_IPRMED        (0x19)  /* 24-bit ip-relative relocation */
 574 #define R_IPRLONG       (0x1a)
 575 #define R_OPTCALL       (0x1b)  /* 32-bit optimizable call (leafproc/sysproc) */
 576 #define R_OPTCALLX      (0x1c)  /* 64-bit optimizable call (leafproc/sysproc) */
 577 #define R_GETSEG        (0x1d)
 578 #define R_GETPA         (0x1e)
 579 #define R_TAGWORD       (0x1f)
 580 #define R_JUMPTARG      0x20    /* strange 29k 00xx00xx reloc */
 581
 582
 583 #define R_MOVB1         0x41    /* Special h8 16bit or 8 bit reloc for mov.b    */
 584 #define R_MOVB2         0x42    /* Special h8 opcode for 8bit which could be 16 */
 585 #define R_JMP1          0x43    /* Special h8 16bit jmp which could be pcrel    */
 586 #define R_JMP2          0x44    /* a branch which used to be a jmp              */
 587 #define R_RELLONG_NEG   0x45
 588
 589 #define R_JMPL1         0x46    /* Special h8 24bit jmp which could be pcrel    */
 590 #define R_JMPL_B8       0x47    /* a 8 bit pcrel which used to be a jmp  */
 591
 592 #define R_MOVLB1        0x48    /* Special h8 24bit or 8 bit reloc for mov.b    */
 593 #define R_MOVLB2        0x49    /* Special h8 opcode for 8bit which could be 24 */
 594
 595 /* Z8k modes */
 596 #define R_IMM16   0x01          /* 16 bit abs */
 597 #define R_JR      0x02          /* jr  8 bit disp */
 598 #define R_IMM4L   0x23          /* low nibble */
 599 #define R_IMM8    0x22          /* 8 bit abs */
 600 #define R_IMM32   R_RELLONG     /* 32 bit abs */
 601 #define R_CALL    R_DA          /* Absolute address which could be a callr */
 602 #define R_JP      R_DA          /* Absolute address which could be a jp */
 603 #define R_REL16   0x04          /* 16 bit PC rel */
 604 #define R_CALLR   0x05          /* callr 12 bit disp */
 605 #define R_SEG     0x10          /* set if in segmented mode */
 606 #define R_IMM4H   0x24          /* high nibble */
 607 #define R_DISP7   0x25          /* djnz displacement */
 608
 609 /* H8500 modes */
 610
 611 #define R_H8500_IMM8    1               /*  8 bit immediate     */
 612 #define R_H8500_IMM16   2               /* 16 bit immediate     */
 613 #define R_H8500_PCREL8  3               /*  8 bit pcrel         */
 614 #define R_H8500_PCREL16 4               /* 16 bit pcrel         */
 615 #define R_H8500_HIGH8   5               /* high 8 bits of 24 bit address */
 616 #define R_H8500_LOW16   7               /* low 16 bits of 24 bit immediate */
 617 #define R_H8500_IMM24   6               /* 24 bit immediate */
 618 #define R_H8500_IMM32   8               /* 32 bit immediate */
 619 #define R_H8500_HIGH16  9               /* high 16 bits of 32 bit immediate */
 620
 621 /* W65 modes */
 622
 623 #define R_W65_ABS8      1  /* addr & 0xff               */
 624 #define R_W65_ABS16     2  /* addr & 0xffff             */
 625 #define R_W65_ABS24     3  /* addr & 0xffffff           */
 626
 627 #define R_W65_ABS8S8    4  /* (addr >> 8) & 0xff        */
 628 #define R_W65_ABS8S16   5  /* (addr >> 16) & 0xff       */
 629
 630 #define R_W65_ABS16S8   6  /* (addr >> 8) & 0ffff       */
 631 #define R_W65_ABS16S16  7  /* (addr >> 16) & 0ffff      */
 632
 633 #define R_W65_PCR8      8
 634 #define R_W65_PCR16     9
 635
 636 #define R_W65_DP       10  /* direct page 8 bits only   */
 637